Merge branch 'falkTX:main' into open_recent

.clang-format

@@ -1,3 +0,0 @@
-DisableFormat: true
-SortIncludes: Never
-

.github/workflows/build.yml

@@ -15,9 +15,9 @@ jobs:
         include:
           - target: debian:11
           - target: debian:12
-          - target: ubuntu:18.04
           - target: ubuntu:20.04
           - target: ubuntu:22.04
+          - target: ubuntu:24.04
     runs-on: ubuntu-latest
     container:
       image: ${{ matrix.target }}
@@ -43,11 +43,11 @@ jobs:
     strategy:
       matrix:
         include:
-          #- target: macos-11
           - target: macos-12
+          - target: macos-13
     runs-on: ${{ matrix.target }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
       - name: Set up dependencies
@@ -61,12 +61,12 @@ jobs:
   wasm:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
       - name: Set up cache
         id: cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/emsdk

.github/workflows/cmake.yml

@@ -12,14 +12,13 @@ jobs:
         include:
           - container: debian:11
           - container: debian:12
-          #- container: ubuntu:20.04
           - container: ubuntu:22.04
-          - container: ubuntu:23.10
+          - container: ubuntu:24.04
     runs-on: ubuntu-latest
     container:
       image: ${{ matrix.container }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up dependencies
         run: |
           apt-get update -qq
@@ -31,7 +30,7 @@ jobs:
         run: cmake --build build -j $(nproc)
       - name: install
         run: cmake --install build --verbose
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: linux-${{ env.PACK_NAME }}
           path: ${{ env.DESTDIR }}
@@ -44,7 +43,7 @@ jobs:
           - frameworks: OFF
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up dependencies
         run: |
           brew install cmake fluid-synth liblo libmagic libsndfile pkg-config
@@ -59,9 +58,9 @@ jobs:
         run: cmake --build build -j $(sysctl -n hw.logicalcpu)
       - name: install
         run: cmake --install build --verbose
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
-          name: macos-${{ env.PACK_NAME }}
+          name: macos-${{ env.PACK_NAME }}-${{ matrix.frameworks }}
           path: ${{ env.DESTDIR }}
 
   mingw32-cross:
@@ -70,14 +69,13 @@ jobs:
         include:
           - container: debian:11
           - container: debian:12
-          #- container: ubuntu:20.04
           - container: ubuntu:22.04
-          - container: ubuntu:23.10
+          - container: ubuntu:24.04
     runs-on: ubuntu-latest
     container:
       image: ${{ matrix.container }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up dependencies
         run: |
           dpkg --add-architecture i386
@@ -97,7 +95,7 @@ jobs:
         run: cmake --build build -j $(nproc)
       - name: install
         run: cmake --install build --verbose
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: mingw32-${{ env.PACK_NAME }}
           path: ${{ env.DESTDIR }}
@@ -108,14 +106,13 @@ jobs:
         include:
           - container: debian:11
           - container: debian:12
-          #- container: ubuntu:20.04
           - container: ubuntu:22.04
-          - container: ubuntu:23.10
+          - container: ubuntu:24.04
     runs-on: ubuntu-latest
     container:
       image: ${{ matrix.container }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up dependencies
         run: |
           dpkg --add-architecture i386
@@ -135,7 +132,7 @@ jobs:
         run: cmake --build build -j $(nproc)
       - name: install
         run: cmake --install build --verbose
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: mingw64-${{ env.PACK_NAME }}
           path: ${{ env.DESTDIR }}
@@ -143,7 +140,7 @@ jobs:
   windows:
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: configure
         run: cmake -S cmake -B build
       - name: build

.github/workflows/dpf.yml

@@ -13,9 +13,9 @@ jobs:
         target: [linux-x86_64]
         # TODO: add PawPaw bootstrap type
         # linux-arm64, linux-armhf, linux-i686, linux-riscv64,
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
       - uses: distrho/dpf-makefile-action@v1
@@ -28,9 +28,9 @@ jobs:
     strategy:
       matrix:
         target: [macos-intel, macos-universal, macos-universal-10.15]
-    runs-on: macos-11
+    runs-on: macos-12
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
       - name: fake dpf script
@@ -50,7 +50,7 @@ jobs:
         target: [win32, win64]
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
       - uses: distrho/dpf-makefile-action@v1
@@ -66,7 +66,7 @@ jobs:
   #pluginval:
     #runs-on: ubuntu-20.04
     #steps:
-      #- uses: actions/checkout@v3
+      #- uses: actions/checkout@v4
         #with:
           #submodules: recursive
       #- uses: distrho/dpf-makefile-action@v1
@@ -75,9 +75,9 @@ jobs:
           #pawpaw: true
 
   source:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
       - uses: distrho/dpf-makefile-action@v1

.github/workflows/release.yml

@@ -14,13 +14,13 @@ env:
 jobs:
   # macOS native universal build
   macos_universal:
-    runs-on: macos-11
+    runs-on: macos-12
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
       - name: Set up cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/PawPawBuilds
@@ -46,7 +46,7 @@ jobs:
           make dist ${MAKE_ARGS} TESTING=true -j 1
           make dist ${MAKE_ARGS} TESTING=true -j 1
           make dist ${MAKE_ARGS} -j 1
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: macOS dmg
           path: ./*.dmg
@@ -64,11 +64,11 @@ jobs:
   win32:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
       - name: Set up cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/PawPawBuilds
@@ -110,7 +110,7 @@ jobs:
           make dist ${MAKE_ARGS} TESTING=true -j 1
           make dist ${MAKE_ARGS} TESTING=true -j 1
           make dist ${MAKE_ARGS} -j 1
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: win32 zip
           path: ./*.zip
@@ -128,11 +128,11 @@ jobs:
   win64:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: recursive
       - name: Set up cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/PawPawBuilds
@@ -175,7 +175,7 @@ jobs:
           make dist ${MAKE_ARGS} TESTING=true -j 1
           make dist ${MAKE_ARGS} TESTING=true -j 1
           make dist ${MAKE_ARGS} -j 1
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: win64 zip
           path: ./*.zip

.gitignore

@@ -60,6 +60,7 @@ qrc_resources.cpp
 *.pyc
 
 # Qt files
+qt_config.py
 *_ui.hpp
 *_ui.py
 *_rc.cpp

INSTALL.md

@@ -38,20 +38,14 @@ Optional for extra Linux-only engine features:
 
  - ALSA
  - PulseAudio
- - X11 (LV2/VST X11 UI support)
+ - X11 (CLAP/LV2/VST2/VST3 X11 UI support)
 
 Optional for extended LV2 UIs support: (Linux only)
 
- - Gtk2
- - Gtk3
  - Qt4
  - Qt5
 
-Optional for Linux VST3 support:
-
- - freetype2
- - Xcursor
- - Xext
+NOTE: Gtk2 and Gtk3 support is always on, as Carla uses dlopen + dlsym to support them
 
 Optional for extra samplers support:
 
@@ -73,14 +67,14 @@ Under Debian based systems, you can use this command to install everything:
 ```
 sudo apt install python3-pyqt5.qtsvg python3-rdflib pyqt5-dev-tools \
   libmagic-dev liblo-dev libasound2-dev libpulse-dev libx11-dev libxcursor-dev libxext-dev \
-  libgtk2.0-dev libgtk-3-dev libqt4-dev qtbase5-dev libfluidsynth-dev
+  qtbase5-dev libfluidsynth-dev
 ```
 
 Under Fedora, you can use the following command instead:
 ```
 sudo dnf install python3-qt5-devel python3-rdflib \
   file-devel liblo-devel alsa-lib-devel pulseaudio-libs-devel libX11-devel
-  gtk2-devel gtk3-devel qt4-devel qt5-devel fluidsynth-devel libsndfile-devel
+  qt5-devel fluidsynth-devel libsndfile-devel
 ```
 
 ## BUILD BRIDGES (Experimental)

Makefile

@@ -78,23 +78,12 @@ ifeq ($(HAVE_QT5),true)
 3RD_LIBS += $(MODULEDIR)/theme.qt5.a
 endif
 
-ifeq ($(HAVE_YSFX),true)
-3RD_LIBS += $(MODULEDIR)/ysfx.a
+ifeq ($(HAVE_QT6),true)
+3RD_LIBS += $(MODULEDIR)/theme.qt6.a
 endif
 
-ifeq ($(USING_JUCE),true)
-3RD_LIBS += $(MODULEDIR)/carla_juce.a
-3RD_LIBS += $(MODULEDIR)/juce_audio_basics.a
-ifeq ($(USING_JUCE_AUDIO_DEVICES),true)
-3RD_LIBS += $(MODULEDIR)/juce_audio_devices.a
-endif
-3RD_LIBS += $(MODULEDIR)/juce_audio_processors.a
-3RD_LIBS += $(MODULEDIR)/juce_core.a
-3RD_LIBS += $(MODULEDIR)/juce_data_structures.a
-3RD_LIBS += $(MODULEDIR)/juce_events.a
-3RD_LIBS += $(MODULEDIR)/juce_graphics.a
-3RD_LIBS += $(MODULEDIR)/juce_gui_basics.a
-3RD_LIBS += $(MODULEDIR)/juce_gui_extra.a
+ifeq ($(HAVE_YSFX),true)
+3RD_LIBS += $(MODULEDIR)/ysfx.a
 endif
 
 ifeq ($(USING_RTAUDIO),true)
@@ -136,6 +125,9 @@ $(MODULEDIR)/theme.qt4.a: .FORCE
 $(MODULEDIR)/theme.qt5.a: .FORCE
 	@$(MAKE) -C source/theme qt5
 
+$(MODULEDIR)/theme.qt6.a: .FORCE
+	@$(MAKE) -C source/theme qt6
+
 $(MODULEDIR)/%.arm32.a: .FORCE
 ifneq ($(WINDOWS),true)
 	@$(MAKE) -C source/modules/$* arm32
@@ -340,6 +332,10 @@ else
 	$(MAKE) -C source/discovery win64
 endif
 
+mingw64:
+	$(MAKE) AR=i686-w64-mingw32-ar CC=i686-w64-mingw32-gcc CXX=i686-w64-mingw32-g++ win32
+	$(MAKE) AR=x86_64-w64-mingw32-ar CC=x86_64-w64-mingw32-gcc CXX=x86_64-w64-mingw32-g++ win64
+
 # ---------------------------------------------------------------------------------------------------------------------
 # Binaries (wine)
 
@@ -711,6 +707,8 @@ endif
 	$(LINK) ../carla_utils.py              $(DESTDIR)$(DATADIR)/carla/resources
 	$(LINK) ../carla_widgets.py            $(DESTDIR)$(DATADIR)/carla/resources
 	$(LINK) ../externalui.py               $(DESTDIR)$(DATADIR)/carla/resources
+	$(LINK) ../qt_compat.py                $(DESTDIR)$(DATADIR)/carla/resources
+	$(LINK) ../qt_config.py                $(DESTDIR)$(DATADIR)/carla/resources
 	$(LINK) ../resources_rc.py             $(DESTDIR)$(DATADIR)/carla/resources
 	$(LINK) ../ui_carla_about.py           $(DESTDIR)$(DATADIR)/carla/resources
 	$(LINK) ../ui_carla_edit.py            $(DESTDIR)$(DATADIR)/carla/resources

Makefile.print.mk

@@ -27,7 +27,7 @@ endif
 features_print_main:
 	@printf -- "$(tS)---> Main features $(tE)\n"
 ifeq ($(HAVE_FRONTEND),true)
-	@printf -- "Front-End:     $(ANS_YES)\n"
+	@printf -- "Front-End:     $(ANS_YES) (Qt$(FRONTEND_TYPE))\n"
 	@printf -- "LV2 plugin:    $(ANS_YES)\n"
 ifneq ($(HAIKU),true)
 	@printf -- "VST2 plugin:   $(ANS_YES)\n"
@@ -41,13 +41,9 @@ else
 endif
 ifeq ($(HAVE_HYLIA),true)
 	@printf -- "Link support:  $(ANS_YES)\n"
-else
-ifeq ($(MACOS_OLD),true)
-	@printf -- "Link support:  $(ANS_NO)  $(mZ)MacOS >= 10.8 only$(mE)\n"
 else
 	@printf -- "Link support:  $(ANS_NO)  $(mZ)Linux, MacOS and Windows only$(mE)\n"
 endif
-endif
 ifeq ($(HAVE_LIBLO),true)
 	@printf -- "OSC support:   $(ANS_YES)\n"
 else
@@ -55,12 +51,10 @@ else
 endif
 ifeq ($(WINDOWS),true)
 	@printf -- "Binary detect: $(ANS_YES)\n"
-else
-ifeq ($(HAVE_LIBMAGIC),true)
+else ifeq ($(HAVE_LIBMAGIC),true)
 	@printf -- "Binary detect: $(ANS_YES)\n"
 else
 	@printf -- "Binary detect: $(ANS_NO)  $(mS)Missing libmagic/file$(mE)\n"
-endif
 endif
 	@printf -- "\n"
 
@@ -94,11 +88,9 @@ else
 	@printf -- "CoreAudio:   $(ANS_NO)  $(mZ)MacOS only$(mE)\n"
 endif
 ifeq ($(WINDOWS),true)
-	@printf -- "ASIO:        $(ANS_YES)\n"
 	@printf -- "DirectSound: $(ANS_YES)\n"
 	@printf -- "WASAPI:      $(ANS_YES)\n"
 else
-	@printf -- "ASIO:        $(ANS_NO)  $(mZ)Windows only$(mE)\n"
 	@printf -- "DirectSound: $(ANS_NO)  $(mZ)Windows only$(mE)\n"
 	@printf -- "WASAPI:      $(ANS_NO)  $(mZ)Windows only$(mE)\n"
 endif
@@ -116,37 +108,20 @@ endif
 	@printf -- "LV2:      $(ANS_YES)\n"
 	@printf -- "CLAP:     $(ANS_YES)\n"
 ifeq ($(MACOS_OR_WINDOWS),true)
-ifeq ($(USING_JUCE),true)
-	@printf -- "VST2:     $(ANS_YES) (with UI, using JUCE)\n"
-	@printf -- "VST3:     $(ANS_YES) (with UI, using JUCE)\n"
-else  # USING_JUCE
 	@printf -- "VST2:     $(ANS_YES) (with UI)\n"
-	@printf -- "VST3:     $(ANS_NO)\n"
-endif # USING_JUCE
-else  # MACOS_OR_WINDOWS
-ifeq ($(HAIKU),true)
+	@printf -- "VST3:     $(ANS_YES) (with UI)\n"
+else ifeq ($(HAIKU),true)
 	@printf -- "VST2:     $(ANS_YES) (without UI)\n"
-	@printf -- "VST3:     $(ANS_NO)\n"
-else  # HAIKU
-ifeq ($(HAVE_X11),true)
+	@printf -- "VST3:     $(ANS_YES) (without UI)\n"
+else ifeq ($(HAVE_X11),true)
 	@printf -- "VST2:     $(ANS_YES) (with UI)\n"
-ifeq ($(USING_JUCE),true)
-	@printf -- "VST3:     $(ANS_YES) (with UI, using JUCE)\n"
-else  # USING_JUCE
-	@printf -- "VST3:     $(ANS_NO)\n"
-endif # USING_JUCE
-else  # HAVE_X11
+	@printf -- "VST3:     $(ANS_YES) (with UI)\n"
+else
 	@printf -- "VST2:     $(ANS_YES) (without UI) $(mS)Missing X11$(mE)\n"
-	@printf -- "VST3:     $(ANS_NO)\n"
-endif # HAVE_X11
-endif # HAIKU
-endif # MACOS_OR_WINDOWS
+	@printf -- "VST3:     $(ANS_YES) (without UI) $(mS)Missing X11$(mE)\n"
+endif
 ifeq ($(MACOS),true)
-ifeq ($(USING_JUCE),true)
-	@printf -- "AU:       $(ANS_YES) (with UI, using JUCE)\n"
-else  # USING_JUCE
-	@printf -- "AU:       $(ANS_NO)\n"
-endif # USING_JUCE
+	@printf -- "AU:       $(ANS_YES) (with UI)\n"
 else  # MACOS
 	@printf -- "AU:       $(ANS_NO)  $(mZ)MacOS only$(mE)\n"
 endif # MACOS

README.md

@@ -14,7 +14,7 @@ Features
 * SF2/3 and SFZ sound banks
 * Internal audio and midi file player
 * Automation of plugin parameters via MIDI CC
-* Remote control over OSC
+* Remote control over [OSC](https://opensoundcontrol.stanford.edu/)
 * Rack and Patchbay processing modes, plus Single and Multi-Client if using JACK
 * Native audio drivers (ALSA, DirectSound, CoreAudio, etc) and JACK
 

cmake/CMakeLists.txt

@@ -790,7 +790,6 @@ target_sources(carla-bridge-native
     ../source/backend/plugin/CarlaPluginAU.cpp
     ../source/backend/plugin/CarlaPluginCLAP.cpp
     ../source/backend/plugin/CarlaPluginFluidSynth.cpp
-    ../source/backend/plugin/CarlaPluginJuce.cpp
     ../source/backend/plugin/CarlaPluginJSFX.cpp
     ../source/backend/plugin/CarlaPluginLADSPADSSI.cpp
     ../source/backend/plugin/CarlaPluginLV2.cpp
@@ -1021,7 +1020,6 @@ target_sources(carla-host-plugin
     ../source/backend/plugin/CarlaPluginAU.cpp
     ../source/backend/plugin/CarlaPluginCLAP.cpp
     ../source/backend/plugin/CarlaPluginFluidSynth.cpp
-    ../source/backend/plugin/CarlaPluginJuce.cpp
     ../source/backend/plugin/CarlaPluginJSFX.cpp
     ../source/backend/plugin/CarlaPluginLADSPADSSI.cpp
     ../source/backend/plugin/CarlaPluginLV2.cpp
@@ -1122,7 +1120,6 @@ if(APPLE)
       -Wl,-exported_symbol,_carla_host_handle_free
       -Wl,-exported_symbol,_carla_get_native_plugin_engine
       -Wl,-exported_symbol,_carla_get_complete_license_text
-      -Wl,-exported_symbol,_carla_get_juce_version
       -Wl,-exported_symbol,_carla_get_supported_file_extensions
       -Wl,-exported_symbol,_carla_get_supported_features
       -Wl,-exported_symbol,_carla_get_library_filename
@@ -1132,7 +1129,7 @@ elseif(EMSCRIPTEN)
   target_link_options(carla-native-plugin
     PRIVATE
       -sSIDE_MODULE=2
-      -sEXPORTED_FUNCTIONS="['carla_get_native_rack_plugin','carla_get_native_patchbay_plugin','carla_get_native_patchbay16_plugin','carla_get_native_patchbay32_plugin','carla_get_native_patchbay64_plugin','carla_get_native_patchbay_cv_plugin','carla_get_native_patchbay_cv8_plugin','carla_get_native_patchbay_cv32_plugin','carla_get_native_patchbay_obs_plugin','carla_create_native_plugin_host_handle','carla_host_handle_free','carla_get_native_plugin_engine','carla_get_complete_license_text','carla_get_juce_version','carla_get_supported_file_extensions','carla_get_supported_features','carla_get_library_filename','carla_get_library_folder']"
+      -sEXPORTED_FUNCTIONS="['carla_get_native_rack_plugin','carla_get_native_patchbay_plugin','carla_get_native_patchbay16_plugin','carla_get_native_patchbay32_plugin','carla_get_native_patchbay64_plugin','carla_get_native_patchbay_cv_plugin','carla_get_native_patchbay_cv8_plugin','carla_get_native_patchbay_cv32_plugin','carla_get_native_patchbay_obs_plugin','carla_create_native_plugin_host_handle','carla_host_handle_free','carla_get_native_plugin_engine','carla_get_complete_license_text','carla_get_supported_file_extensions','carla_get_supported_features','carla_get_library_filename','carla_get_library_folder']"
   )
 elseif(MSVC)
   target_link_options(carla-native-plugin
@@ -1189,7 +1186,6 @@ target_sources(carla-native-plugin
     ../source/backend/plugin/CarlaPluginAU.cpp
     ../source/backend/plugin/CarlaPluginCLAP.cpp
     ../source/backend/plugin/CarlaPluginFluidSynth.cpp
-    ../source/backend/plugin/CarlaPluginJuce.cpp
     ../source/backend/plugin/CarlaPluginJSFX.cpp
     ../source/backend/plugin/CarlaPluginLADSPADSSI.cpp
     ../source/backend/plugin/CarlaPluginLV2.cpp
@@ -1321,7 +1317,6 @@ target_sources(carla-standalone
     ../source/backend/plugin/CarlaPluginAU.cpp
     ../source/backend/plugin/CarlaPluginCLAP.cpp
     ../source/backend/plugin/CarlaPluginFluidSynth.cpp
-    ../source/backend/plugin/CarlaPluginJuce.cpp
     ../source/backend/plugin/CarlaPluginJSFX.cpp
     ../source/backend/plugin/CarlaPluginLADSPADSSI.cpp
     ../source/backend/plugin/CarlaPluginLV2.cpp
@@ -1440,7 +1435,6 @@ target_sources(carla-utils
     ../source/backend/utils/CachedPlugins.cpp
     ../source/backend/utils/CarlaUtils.cpp
     ../source/backend/utils/Information.cpp
-    ../source/backend/utils/JUCE.cpp
     ../source/backend/utils/PipeClient.cpp
     ../source/backend/utils/PluginDiscovery.cpp
     ../source/backend/utils/System.cpp
@@ -1516,6 +1510,7 @@ if(APPLE)
   set_source_files_properties(
     ../source/backend/CarlaStandalone.cpp
     ../source/backend/engine/CarlaEngineNative.cpp
+    ../source/backend/plugin/CarlaPluginAU.cpp
     ../source/backend/plugin/CarlaPluginCLAP.cpp
     ../source/backend/plugin/CarlaPluginVST2.cpp
     ../source/backend/plugin/CarlaPluginVST3.cpp

data/docker/.dockerignore

@@ -0,0 +1,6 @@
+# binary files
+*.dll
+*.so
+
+# this script
+build.sh

data/docker/Dockerfile

@@ -0,0 +1,46 @@
+FROM ubuntu:20.04
+LABEL maintainer="falkTX <falktx@falktx.com>"
+ENV DEBIAN_FRONTEND noninteractive
+
+# enable i386
+RUN dpkg --add-architecture i386
+
+# update system
+RUN apt-get update -qq && apt-get upgrade -qqy && apt-get clean
+
+# install packages needed for build
+RUN apt-get install -qqy --no-install-recommends ca-certificates g++-multilib git libgl-dev make openssl pkg-config wget && \
+    apt-get clean
+
+# install newer wine
+RUN mkdir -pm755 /etc/apt/keyrings && \
+    wget -O /etc/apt/keyrings/winehq-archive.key https://dl.winehq.org/wine-builds/winehq.key && \
+    wget -NP /etc/apt/sources.list.d/ https://dl.winehq.org/wine-builds/ubuntu/dists/focal/winehq-focal.sources
+
+RUN apt-get update -qq && \
+    apt-get install -qqy --no-install-recommends winehq-stable wine-stable-dev && \
+    apt-get clean
+
+# fetch Carla
+RUN git clone --recursive https://github.com/falkTX/Carla.git --depth=1 # v4
+WORKDIR /Carla
+
+# build plugin-wine 32bit
+RUN apt-get install -yqq --no-install-recommends libx11-dev:i386 && apt-get clean
+RUN CFLAGS=-m32 CXXFLAGS=-m32 LDFLAGS=-m32 make plugin plugin-wine
+RUN mkdir bin32
+RUN mv bin/CarlaVst*ShellBridged.dll* bin32
+RUN make distclean
+
+# build plugin-wine 64bit
+RUN apt-get install -yqq --no-install-recommends libx11-dev:amd64 && apt-get clean
+RUN CFLAGS=-m64 CXXFLAGS=-m64 LDFLAGS=-m64 make plugin plugin-wine
+RUN mkdir bin64
+RUN mv bin/CarlaVst*ShellBridged.dll* bin64
+RUN make distclean
+
+# build Carla wine bridges
+RUN make wine32 wine64
+
+# CMD for inspection
+CMD ["bash"]

data/docker/build.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+cd $(dirname $0)
+
+rm -rf bin32 bin64 *.dll
+
+set -e
+
+mkdir bin32 bin64
+docker build -t carla-bridge-win .
+docker run -v $PWD:/mnt --rm --entrypoint \
+    cp carla-bridge-win:latest \
+        /Carla/bin32/CarlaVstShellBridged.dll.so \
+        /Carla/bin32/CarlaVstFxShellBridged.dll.so \
+        /mnt/bin32
+docker run -v $PWD:/mnt --rm --entrypoint \
+    cp carla-bridge-win:latest \
+        /Carla/bin64/CarlaVstShellBridged.dll.so \
+        /Carla/bin64/CarlaVstFxShellBridged.dll.so \
+        /mnt/bin64
+docker run -v $PWD:/mnt --rm --entrypoint \
+    cp carla-bridge-win:latest \
+        /Carla/bin/jackbridge-wine32.dll \
+        /Carla/bin/jackbridge-wine64.dll \
+        /mnt

resources/ui/carla_host.ui

@@ -574,7 +574,6 @@
      <string>&amp;Help</string>
     </property>
     <addaction name="act_help_about"/>
-    <addaction name="act_help_about_juce"/>
     <addaction name="act_help_about_qt"/>
    </widget>
    <addaction name="menu_File"/>
@@ -1471,14 +1470,6 @@
     <enum>QAction::NoRole</enum>
    </property>
   </action>
-  <action name="act_help_about_juce">
-   <property name="text">
-    <string>About &amp;JUCE</string>
-   </property>
-   <property name="menuRole">
-    <enum>QAction::NoRole</enum>
-   </property>
-  </action>
   <action name="act_help_about_qt">
    <property name="text">
     <string>About &amp;Qt</string>

resources/ui/carla_settings.ui

@@ -1008,7 +1008,7 @@
                <string>Maximum number of parameters to allow in the built-in 'Edit' dialog</string>
               </property>
               <property name="maximum">
-               <number>1000</number>
+               <number>2000</number>
               </property>
              </widget>
             </item>

source/Makefile.deps.mk

@@ -214,6 +214,9 @@ HAVE_QT4        = $(shell $(PKG_CONFIG) --exists QtCore QtGui && echo true)
 HAVE_QT5        = $(shell $(PKG_CONFIG) --exists Qt5Core Qt5Gui Qt5Widgets && \
                           $(PKG_CONFIG) --variable=qt_config Qt5Core | grep -q -v "static" && echo true)
 HAVE_QT5PKG     = $(shell $(PKG_CONFIG) --silence-errors --variable=prefix Qt5OpenGLExtensions 1>/dev/null && echo true)
+HAVE_QT5BREW    = $(shell test -e /usr/local/opt/qt5/bin/uic && echo true)
+HAVE_QT6        = $(shell $(PKG_CONFIG) --exists Qt6Core Qt6Gui Qt6Widgets && echo true)
+HAVE_QT6BREW    = $(shell test -e /opt/homebrew/opt/qt6/share/qt/libexec/uic && echo true)
 HAVE_SNDFILE    = $(shell $(PKG_CONFIG) --exists sndfile && echo true)
 
 ifeq ($(HAVE_FLUIDSYNTH),true)
@@ -259,29 +262,65 @@ endif
 endif
 
 # ---------------------------------------------------------------------------------------------------------------------
-# Set Qt tools
+# Set Qt tools, part1
 
 ifeq ($(HAVE_QT4),true)
 MOC_QT4 ?= $(shell $(PKG_CONFIG) --variable=moc_location QtCore)
 RCC_QT4 ?= $(shell $(PKG_CONFIG) --variable=rcc_location QtCore)
-ifeq (,$(wildcard $(MOC_QT4)))
-HAVE_QT4 = false
-endif
-ifeq (,$(wildcard $(RCC_QT4)))
-HAVE_QT4 = false
-endif
+QT4_CXX_FLAGS  = $(BUILD_CXX_FLAGS) $(shell pkg-config --cflags QtCore QtGui)
+QT4_LINK_FLAGS = $(NON_STATIC_LINK_FLAGS) $(shell pkg-config --libs QtCore QtGui)
+QT4_STYLES_DIR = $(shell pkg-config --variable=libdir QtCore)/qt4/plugins/styles
 endif
 
 ifeq ($(HAVE_QT5),true)
-QT5_HOSTBINS = $(shell $(PKG_CONFIG) --variable=host_bins Qt5Core)
+QT5_HOSTBINS   = $(shell $(PKG_CONFIG) --variable=host_bins Qt5Core)
+QT5_PREFIX     = $(shell $(PKG_CONFIG) --variable=prefix Qt5Core)
+QT5_CXX_FLAGS  = $(shell $(PKG_CONFIG) --cflags Qt5Core Qt5Gui Qt5Widgets)
+QT5_LINK_FLAGS = -Wl,-rpath,$(QT5_PREFIX)/lib $(shell $(PKG_CONFIG) --libs Qt5Core Qt5Gui Qt5Widgets)
+QT5_STYLES_DIR = $(shell pkg-config --variable=libdir Qt5Core)/qt5/plugins/styles
 else ifeq ($(HAVE_QT5PKG),true)
-QT5_HOSTBINS = $(shell $(PKG_CONFIG) --variable=prefix Qt5OpenGLExtensions)/bin
+QT5_HOSTBINS   = $(shell $(PKG_CONFIG) --variable=prefix Qt5OpenGLExtensions)/bin
+QT5_PREFIX     = $(shell $(PKG_CONFIG) --variable=prefix Qt5OpenGLExtensions)
+QT5_CXX_FLAGS  = -DQT_CORE_LIB -DQT_GUI_LIB -DQT_WIDGETS_LIB -I $(QT5_PREFIX)/include/qt5
+QT5_LINK_FLAGS = -Wl,-rpath,$(QT5_PREFIX)/lib -F $(QT5_PREFIX)/lib -framework QtCore -framework QtGui -framework QtWidgets
+QT5_STYLES_DIR = $(QT5_PREFIX)/lib/qt5/plugins/styles
+else ifeq ($(HAVE_QT5BREW),true)
+QT5_HOSTBINS   = /usr/local/opt/qt5/bin
+QT5_PREFIX     = /usr/local/opt/qt5
+QT5_CXX_FLAGS  = -DQT_CORE_LIB -DQT_GUI_LIB -DQT_WIDGETS_LIB -I $(QT5_PREFIX)/include
+QT5_LINK_FLAGS = -Wl,-rpath,$(QT5_PREFIX)/lib -F $(QT5_PREFIX)/lib -framework QtCore -framework QtGui -framework QtWidgets
+QT5_STYLES_DIR = $(QT5_PREFIX)/plugins/styles
+endif
+
+ifeq ($(HAVE_QT6),true)
+QT6_HOSTBINS   = $(shell $(PKG_CONFIG) --variable=libexecdir Qt6Core)
+QT6_PREFIX     = $(shell $(PKG_CONFIG) --variable=prefix Qt6Core)
+QT6_CXX_FLAGS  = $(shell $(PKG_CONFIG) --cflags Qt6Core Qt6Gui Qt6Widgets) -std=gnu++17
+QT6_LINK_FLAGS = -Wl,-rpath,$(QT6_PREFIX)/lib $(shell $(PKG_CONFIG) --libs Qt6Core Qt6Gui Qt6Widgets)
+QT6_STYLES_DIR = $(shell pkg-config --variable=libdir Qt6Core)/qt6/plugins/styles
+else ifeq ($(HAVE_QT6BREW),true)
+QT6_HOSTBINS   = /opt/homebrew/opt/qt6/share/qt/libexec
+QT6_PREFIX     = /opt/homebrew/opt/qt6
+QT6_CXX_FLAGS  = -DQT_CORE_LIB -DQT_GUI_LIB -DQT_WIDGETS_LIB -I $(QT6_PREFIX)/include -std=gnu++17
+QT6_LINK_FLAGS = -Wl,-rpath,$(QT6_PREFIX)/lib -F $(QT6_PREFIX)/lib -framework QtCore -framework QtGui -framework QtWidgets
+QT6_STYLES_DIR = $(QT6_PREFIX)/share/qt/plugins/styles
 endif
 
 MOC_QT5 ?= $(QT5_HOSTBINS)/moc
 RCC_QT5 ?= $(QT5_HOSTBINS)/rcc
 UIC_QT5 ?= $(QT5_HOSTBINS)/uic
 
+MOC_QT6 ?= $(QT6_HOSTBINS)/moc
+RCC_QT6 ?= $(QT6_HOSTBINS)/rcc
+UIC_QT6 ?= $(QT6_HOSTBINS)/uic
+
+ifeq (,$(wildcard $(MOC_QT4)))
+HAVE_QT4 = false
+endif
+ifeq (,$(wildcard $(RCC_QT4)))
+HAVE_QT4 = false
+endif
+
 ifeq (,$(wildcard $(MOC_QT5)))
 HAVE_QT5 = false
 endif
@@ -292,17 +331,14 @@ ifeq (,$(wildcard $(UIC_QT5)))
 HAVE_QT5 = false
 endif
 
-ifeq ($(HAVE_QT4),true)
-HAVE_QT = true
-else ifeq ($(HAVE_QT5),true)
-HAVE_QT = true
-# FIXME
-else ifeq ($(WINDOWS),true)
-HAVE_QT = true
+ifeq (,$(wildcard $(MOC_QT6)))
+HAVE_QT6 = false
 endif
-
-ifneq (,$(findstring true,$(HAVE_QT5)$(HAVE_QT5PKG)))
-HAVE_THEME = true
+ifeq (,$(wildcard $(RCC_QT6)))
+HAVE_QT6 = false
+endif
+ifeq (,$(wildcard $(UIC_QT6)))
+HAVE_QT6 = false
 endif
 
 # ---------------------------------------------------------------------------------------------------------------------
@@ -311,27 +347,49 @@ endif
 PYRCC5 ?= $(shell which pyrcc5 2>/dev/null)
 PYUIC5 ?= $(shell which pyuic5 2>/dev/null)
 
-ifneq ($(PYUIC5),)
-ifneq ($(PYRCC5),)
-HAVE_PYQT = true
-ifneq (,$(findstring true,$(HAVE_QT5)$(HAVE_QT5PKG)))
+PYUIC6 ?= $(shell which pyuic6 2>/dev/null)
+
+ifneq (,$(findstring true,$(HAVE_QT6)$(HAVE_QT6BREW)))
+ifneq ($(PYUIC6),)
 HAVE_FRONTEND = true
+HAVE_PYQT = true
+FRONTEND_TYPE = 6
 endif
 endif
+
+ifneq (,$(findstring true,$(HAVE_QT5)$(HAVE_QT5PKG)$(HAVE_QT5BREW)))
+ifneq ($(PYUIC5)$(PYRCC5),)
+HAVE_FRONTEND = true
+HAVE_PYQT = true
+FRONTEND_TYPE = 5
+endif
 endif
 
 # ---------------------------------------------------------------------------------------------------------------------
-# Set PyQt tools, part2
+# Set Qt tools, part2
+
+ifneq (,$(findstring true,$(HAVE_QT4)$(HAVE_QT5)$(HAVE_QT5PKG)$(HAVE_QT5BREW)$(HAVE_QT6)$(HAVE_QT6BREW)))
+HAVE_QT = true
+endif
 
+ifeq ($(FRONTEND_TYPE),5)
+MOC = $(MOC_QT5)
+RCC = $(RCC_QT5)
+UIC = $(UIC_QT5)
 PYRCC ?= $(PYRCC5)
 PYUIC ?= $(PYUIC5)
-
-# ---------------------------------------------------------------------------------------------------------------------
-# Set USING_JUCE
-
-ifeq ($(MACOS_OR_WINDOWS),true)
-USING_JUCE = true
-USING_JUCE_AUDIO_DEVICES = true
+HAVE_THEME    = $(HAVE_QT5)
+QT_CXX_FLAGS  = $(QT5_CXX_FLAGS)
+QT_LINK_FLAGS = $(QT5_LINK_FLAGS)
+else ifeq ($(FRONTEND_TYPE),6)
+MOC = $(MOC_QT6)
+RCC = $(RCC_QT6)
+UIC = $(UIC_QT6)
+PYRCC ?= $(RCC_QT6) -g python
+PYUIC ?= $(PYUIC6)
+HAVE_THEME    = $(HAVE_QT6)
+QT_CXX_FLAGS  = $(QT6_CXX_FLAGS)
+QT_LINK_FLAGS = $(QT6_LINK_FLAGS)
 endif
 
 # ---------------------------------------------------------------------------------------------------------------------
@@ -339,11 +397,9 @@ endif
 
 ifneq ($(HAIKU),true)
 ifneq ($(WASM),true)
-ifneq ($(USING_JUCE_AUDIO_DEVICES),true)
 USING_RTAUDIO = true
 endif
 endif
-endif
 
 # ---------------------------------------------------------------------------------------------------------------------
 # Disable features for static plugin target
@@ -360,11 +416,11 @@ HAVE_PYQT = false
 HAVE_QT4 = false
 HAVE_QT5 = false
 HAVE_QT5PKG = false
+HAVE_QT5BREW = false
+HAVE_QT6 = false
 HAVE_SDL = false
 HAVE_SDL1 = false
 HAVE_SDL2 = false
-USING_JUCE = false
-USING_JUCE_AUDIO_DEVICES = false
 USING_RTAUDIO = false
 endif
 
@@ -401,6 +457,11 @@ QT5_FLAGS = $(shell $(PKG_CONFIG) --cflags Qt5Core Qt5Gui Qt5Widgets)
 QT5_LIBS  = $(shell $(PKG_CONFIG) --libs Qt5Core Qt5Gui Qt5Widgets)
 endif
 
+ifeq ($(HAVE_QT6),true)
+QT6_FLAGS = $(shell $(PKG_CONFIG) --cflags Qt6Core Qt6Gui Qt6Widgets)
+QT6_LIBS  = $(shell $(PKG_CONFIG) --libs Qt6Core Qt6Gui Qt6Widgets)
+endif
+
 ifeq ($(WASM),true)
 HAVE_SDL  = true
 SDL_FLAGS = -sUSE_SDL=2
@@ -488,35 +549,6 @@ endif
 
 endif
 
-# ---------------------------------------------------------------------------------------------------------------------
-# Set libs stuff (juce)
-
-ifeq ($(USING_JUCE),true)
-
-ifeq ($(MACOS),true)
-JUCE_AUDIO_BASICS_LIBS     = -framework Accelerate
-JUCE_AUDIO_DEVICES_LIBS    = -framework AppKit -framework AudioToolbox -framework CoreAudio -framework CoreMIDI
-JUCE_AUDIO_FORMATS_LIBS    = -framework AudioToolbox -framework CoreFoundation
-JUCE_AUDIO_PROCESSORS_LIBS = -framework AudioToolbox -framework AudioUnit -framework CoreAudio -framework CoreAudioKit -framework Cocoa
-JUCE_CORE_LIBS             = -framework AppKit
-JUCE_EVENTS_LIBS           = -framework AppKit
-JUCE_GRAPHICS_LIBS         = -framework Cocoa -framework QuartzCore
-JUCE_GUI_BASICS_LIBS       = -framework Cocoa
-JUCE_GUI_EXTRA_LIBS        = -framework IOKit
-else ifeq ($(WINDOWS),true)
-JUCE_AUDIO_BASICS_LIBS     =
-JUCE_AUDIO_DEVICES_LIBS    = -lwinmm -lole32
-JUCE_AUDIO_FORMATS_LIBS    =
-JUCE_AUDIO_PROCESSORS_LIBS =
-JUCE_CORE_LIBS             = -luuid -lwsock32 -lwininet -lversion -lole32 -lws2_32 -loleaut32 -limm32 -lcomdlg32 -lshlwapi -lrpcrt4 -lwinmm
-JUCE_EVENTS_LIBS           = -lole32
-JUCE_GRAPHICS_LIBS         = -lgdi32
-JUCE_GUI_BASICS_LIBS       = -lgdi32 -limm32 -lcomdlg32 -lole32
-JUCE_GUI_EXTRA_LIBS        =
-endif
-
-endif
-
 # ---------------------------------------------------------------------------------------------------------------------
 # Set libs stuff (rtaudio)
 
@@ -650,17 +682,6 @@ STATIC_CARLA_PLUGIN_LIBS += $(RTMEMPOOL_LIBS)
 STATIC_CARLA_PLUGIN_LIBS += $(WATER_LIBS)
 STATIC_CARLA_PLUGIN_LIBS += $(YSFX_LIBS)
 
-ifeq ($(USING_JUCE),true)
-STATIC_CARLA_PLUGIN_LIBS += $(JUCE_AUDIO_BASICS_LIBS)
-STATIC_CARLA_PLUGIN_LIBS += $(JUCE_AUDIO_FORMATS_LIBS)
-STATIC_CARLA_PLUGIN_LIBS += $(JUCE_AUDIO_PROCESSORS_LIBS)
-STATIC_CARLA_PLUGIN_LIBS += $(JUCE_CORE_LIBS)
-STATIC_CARLA_PLUGIN_LIBS += $(JUCE_EVENTS_LIBS)
-STATIC_CARLA_PLUGIN_LIBS += $(JUCE_GRAPHICS_LIBS)
-STATIC_CARLA_PLUGIN_LIBS += $(JUCE_GUI_BASICS_LIBS)
-STATIC_CARLA_PLUGIN_LIBS += $(JUCE_GUI_EXTRA_LIBS)
-endif
-
 ifeq ($(EXTERNAL_PLUGINS),true)
 ifneq ($(DEBUG),true)
 ifneq ($(TESTBUILD),true)

source/Makefile.mk

@@ -175,10 +175,7 @@ BASE_FLAGS += -DHAVE_DGL
 BASE_FLAGS += -DHAVE_OPENGL
 BASE_FLAGS += -DDGL_OPENGL
 BASE_FLAGS += -DDONT_SET_USING_DGL_NAMESPACE
-ifneq ($(USING_CUSTOM_DPF),true)
-BASE_FLAGS += -DDGL_FILE_BROWSER_DISABLED
-BASE_FLAGS += -DDGL_NO_SHARED_RESOURCES
-else
+ifeq ($(USING_CUSTOM_DPF),true)
 BASE_FLAGS += -DDISTRHO_UI_FILE_BROWSER=0
 endif
 ifneq ($(DGL_NAMESPACE),)
@@ -188,6 +185,11 @@ BASE_FLAGS += -DDGL_NAMESPACE=CarlaDGL
 endif
 endif
 
+ifneq ($(USING_CUSTOM_DPF),true)
+BASE_FLAGS += -DDGL_FILE_BROWSER_DISABLED
+BASE_FLAGS += -DDGL_NO_SHARED_RESOURCES
+endif
+
 ifeq ($(HAVE_FLUIDSYNTH),true)
 BASE_FLAGS += -DHAVE_FLUIDSYNTH
 ifeq ($(HAVE_FLUIDSYNTH_INSTPATCH),true)
@@ -237,18 +239,6 @@ ifeq ($(HAVE_YSFX),true)
 BASE_FLAGS += -DHAVE_YSFX
 endif
 
-ifeq ($(USING_JUCE),true)
-BASE_FLAGS += -DUSING_JUCE
-BASE_FLAGS += -DJUCE_APP_CONFIG_HEADER='"AppConfig.h"'
-ifeq ($(WINDOWS),true)
-BASE_FLAGS += -D_WIN32_WINNT=0x0600
-endif
-endif
-
-ifeq ($(USING_JUCE_AUDIO_DEVICES),true)
-BASE_FLAGS += -DUSING_JUCE_AUDIO_DEVICES
-endif
-
 ifeq ($(USING_RTAUDIO),true)
 BASE_FLAGS += -DUSING_RTAUDIO
 endif

source/backend/CarlaEngine.hpp

@@ -1,19 +1,5 @@
-/*
- * Carla Plugin Host
- * Copyright (C) 2011-2022 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
+// SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifndef CARLA_ENGINE_HPP_INCLUDED
 #define CARLA_ENGINE_HPP_INCLUDED
@@ -52,35 +38,30 @@ enum EngineType {
      */
     kEngineTypeJack = 1,
 
-    /*!
-     * JUCE engine type, used to provide Native Audio and MIDI support.
-     */
-    kEngineTypeJuce = 2,
-
     /*!
      * RtAudio engine type, used to provide Native Audio and MIDI support.
      */
-    kEngineTypeRtAudio = 3,
+    kEngineTypeRtAudio = 2,
 
     /*!
      * SDL engine type, used to provide Native Audio support.
      */
-    kEngineTypeSDL = 4,
+    kEngineTypeSDL = 3,
 
     /*!
      * Plugin engine type, used to export the engine as a plugin.
      */
-    kEngineTypePlugin = 5,
+    kEngineTypePlugin = 4,
 
     /*!
      * Bridge engine type, used in BridgePlugin class.
      */
-    kEngineTypeBridge = 6,
+    kEngineTypeBridge = 5,
 
     /*!
      * Dummy engine type, does not send audio or MIDI anywhere.
      */
-    kEngineTypeDummy = 7
+    kEngineTypeDummy = 6
 };
 
 /*!

source/backend/CarlaEngineInit.hpp

@@ -1,19 +1,5 @@
-/*
- * Carla Plugin Host
- * Copyright (C) 2011-2020 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
+// SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifndef CARLA_ENGINE_INIT_HPP_INCLUDED
 #define CARLA_ENGINE_INIT_HPP_INCLUDED
@@ -60,14 +46,6 @@ CarlaEngine* newBridge(const char* audioPoolBaseName,
                        const char* nonRtClientBaseName,
                        const char* nonRtServerBaseName);
 
-// Juce
-CarlaEngine*       newJuce(AudioApi api);
-uint               getJuceApiCount();
-const char*        getJuceApiName(uint index);
-const char* const* getJuceApiDeviceNames(uint index);
-const EngineDriverDeviceInfo* getJuceDeviceInfo(uint index, const char* deviceName);
-bool               showJuceDeviceControlPanel(uint index, const char* deviceName);
-
 // RtAudio
 CarlaEngine*       newRtAudio(AudioApi api);
 uint               getRtAudioApiCount();

source/backend/CarlaHost.h

@@ -1,19 +1,5 @@
-/*
- * Carla Plugin Host
- * Copyright (C) 2011-2022 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
+// SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifndef CARLA_HOST_H_INCLUDED
 #define CARLA_HOST_H_INCLUDED
@@ -1173,11 +1159,6 @@ CARLA_API_EXPORT void carla_nsm_ready(CarlaHostHandle handle, NsmCallbackOpcode
  */
 CARLA_API_EXPORT const char* carla_get_complete_license_text(void);
 
-/*!
- * Get the juce version used in the current Carla build.
- */
-CARLA_API_EXPORT const char* carla_get_juce_version(void);
-
 /*!
  * Get the list of supported file extensions in carla_load_file().
  */

source/backend/CarlaPlugin.hpp

@@ -1,19 +1,5 @@
-/*
- * Carla Plugin Host
- * Copyright (C) 2011-2023 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
+// SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifndef CARLA_PLUGIN_HPP_INCLUDED
 #define CARLA_PLUGIN_HPP_INCLUDED
@@ -24,7 +10,6 @@
 // -----------------------------------------------------------------------
 // Avoid including extra libs here
 
-typedef void* lo_message;
 typedef struct _NativePluginDescriptor NativePluginDescriptor;
 struct LADSPA_RDF_Descriptor;
 
@@ -778,7 +763,7 @@ public:
                                   int argc,
                                   const void* argv,
                                   const char* types,
-                                  lo_message msg);
+                                  void* msg);
 
     // -------------------------------------------------------------------
     // MIDI events
@@ -987,7 +972,6 @@ public:
     static CarlaPluginPtr newJSFX(const Initializer& init);
     static CarlaPluginPtr newCLAP(const Initializer& init);
 
-    static CarlaPluginPtr newJuce(const Initializer& init, const char* format);
     static CarlaPluginPtr newFluidSynth(const Initializer& init, PluginType ptype, bool use16Outs);
     static CarlaPluginPtr newSFZero(const Initializer& init);
 

source/backend/CarlaStandalone.cpp

@@ -1,19 +1,5 @@
-/*
- * Carla Standalone
- * Copyright (C) 2011-2023 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
+// SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 // TODO:
 // Check carla_stderr2("Engine is not running"); <= prepend func name and args
@@ -30,10 +16,6 @@
 
 #include "water/files/File.h"
 
-#if defined(USING_JUCE) && !defined(BUILD_BRIDGE)
-# include "carla_juce/carla_juce.h"
-#endif
-
 #define CARLA_SAFE_ASSERT_WITH_LAST_ERROR_RETURN(cond, msg, ret) \
     if (! (cond)) {                                              \
         carla_stderr2("%s: " msg, __FUNCTION__);                 \
@@ -404,10 +386,6 @@ bool carla_engine_init(CarlaHostHandle handle, const char* driverName, const cha
     carla_setenv("WINEASIO_CLIENT_NAME", clientName);
 #endif
 
-#if defined(USING_JUCE) && !defined(BUILD_BRIDGE)
-    CarlaJUCE::initialiseJuce_GUI();
-#endif
-
     CarlaHostStandalone& shandle((CarlaHostStandalone&)*handle);
 
     CarlaEngine* const engine = CarlaEngine::newDriverByName(driverName);
@@ -454,9 +432,6 @@ bool carla_engine_init(CarlaHostHandle handle, const char* driverName, const cha
         shandle.lastError = engine->getLastError();
         shandle.engine = nullptr;
         delete engine;
-#if defined(USING_JUCE) && !defined(BUILD_BRIDGE)
-        CarlaJUCE::shutdownJuce_GUI();
-#endif
         return false;
     }
 }
@@ -534,9 +509,6 @@ bool carla_engine_close(CarlaHostHandle handle)
     shandle.engine = nullptr;
     delete engine;
 
-#if defined(USING_JUCE) && !defined(BUILD_BRIDGE)
-    CarlaJUCE::shutdownJuce_GUI();
-#endif
     return closed;
 }
 
@@ -545,11 +517,6 @@ void carla_engine_idle(CarlaHostHandle handle)
     CARLA_SAFE_ASSERT_RETURN(handle->engine != nullptr && handle->isStandalone,);
 
     handle->engine->idle();
-
-#if defined(USING_JUCE) && !defined(BUILD_BRIDGE)
-    if (handle->isStandalone)
-        CarlaJUCE::idleJuce_GUI();
-#endif
 }
 
 bool carla_is_engine_running(CarlaHostHandle handle)

source/backend/CarlaStandaloneNSM.cpp

@@ -1,19 +1,5 @@
-/*
- * Carla Standalone
- * Copyright (C) 2011-2022 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
+// SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "CarlaHostImpl.hpp"
 
@@ -318,9 +304,7 @@ protected:
             fProjectPath  = projectPath;
             fProjectPath += ".carxp";
 
-            const String jfilename = String(CharPointer_UTF8(fProjectPath));
-
-            if (File(jfilename).existsAsFile())
+            if (File(fProjectPath).existsAsFile())
                 carla_load_project(handle, fProjectPath);
         }
 

source/backend/CarlaUtils.h

@@ -1,19 +1,5 @@
-/*
- * Carla Plugin Host
- * Copyright (C) 2011-2022 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
+// SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifndef CARLA_UTILS_H_INCLUDED
 #define CARLA_UTILS_H_INCLUDED
@@ -341,19 +327,13 @@ typedef struct _CarlaCachedPluginInfo {
 
 /*!
  * Get how many cached plugins are available.
- * Internal and LV2 plugin formats are cached and need to be discovered via this function.
+ * Internal, LV2 and SFZ plugin formats are cached and can be discovered via this function.
  * Do not call this for any other plugin formats.
- *
- * @note if this carla build uses JUCE, then you must call carla_juce_init beforehand
- * @note for AU plugins, you cannot call this outside the main thread
  */
 CARLA_PLUGIN_EXPORT uint carla_get_cached_plugin_count(PluginType ptype, const char* pluginPath);
 
 /*!
  * Get information about a cached plugin.
- *
- * @note if this carla build uses JUCE, then you must call carla_juce_init beforehand
- * @note for AU plugins, you cannot call this outside the main thread
  */
 CARLA_PLUGIN_EXPORT const CarlaCachedPluginInfo* carla_get_cached_plugin_info(PluginType ptype, uint index);
 
@@ -367,11 +347,6 @@ CARLA_PLUGIN_EXPORT const CarlaCachedPluginInfo* carla_get_cached_plugin_info(Pl
  */
 CARLA_PLUGIN_EXPORT const char* carla_get_complete_license_text(void);
 
-/*!
- * Get the juce version used in the current Carla build.
- */
-CARLA_PLUGIN_EXPORT const char* carla_get_juce_version(void);
-
 /*!
  * Get the list of supported file extensions in carla_load_file().
  */
@@ -393,30 +368,6 @@ CARLA_PLUGIN_EXPORT const char* carla_get_library_filename(void);
 CARLA_PLUGIN_EXPORT const char* carla_get_library_folder(void);
 #endif
 
-/* --------------------------------------------------------------------------------------------------------------------
- * JUCE */
-
-/*!
- * Initialize data structures and GUI support for JUCE.
- * This is only needed when carla builds use JUCE and you call cached-plugin related APIs.
- *
- * Idle must then be called at somewhat regular intervals, though in practice there is no reason for it yet.
- *
- * Make sure to call carla_juce_cleanup after you are done with APIs that need JUCE.
- */
-CARLA_PLUGIN_EXPORT void carla_juce_init(void);
-
-/*!
- * Give idle time to JUCE stuff.
- * Currently only used for Linux.
- */
-CARLA_PLUGIN_EXPORT void carla_juce_idle(void);
-
-/*!
- * Cleanup the JUCE stuff that was initialized by carla_juce_init.
- */
-CARLA_PLUGIN_EXPORT void carla_juce_cleanup(void);
-
 /* --------------------------------------------------------------------------------------------------------------------
  * pipes */
 

source/backend/Makefile

@@ -54,21 +54,6 @@ ifeq ($(HAVE_YSFX),true)
 STANDALONE_LIBS += $(MODULEDIR)/ysfx.a
 endif
 
-ifeq ($(USING_JUCE),true)
-STANDALONE_LIBS += $(MODULEDIR)/carla_juce.a
-STANDALONE_LIBS += $(MODULEDIR)/juce_audio_basics.a
-ifeq ($(USING_JUCE_AUDIO_DEVICES),true)
-STANDALONE_LIBS += $(MODULEDIR)/juce_audio_devices.a
-endif
-STANDALONE_LIBS += $(MODULEDIR)/juce_audio_processors.a
-STANDALONE_LIBS += $(MODULEDIR)/juce_core.a
-STANDALONE_LIBS += $(MODULEDIR)/juce_data_structures.a
-STANDALONE_LIBS += $(MODULEDIR)/juce_events.a
-STANDALONE_LIBS += $(MODULEDIR)/juce_graphics.a
-STANDALONE_LIBS += $(MODULEDIR)/juce_gui_basics.a
-STANDALONE_LIBS += $(MODULEDIR)/juce_gui_extra.a
-endif
-
 ifeq ($(USING_RTAUDIO),true)
 STANDALONE_LIBS += $(MODULEDIR)/rtaudio.a
 STANDALONE_LIBS += $(MODULEDIR)/rtmidi.a
@@ -93,20 +78,6 @@ ifeq ($(HAVE_YSFX),true)
 STANDALONE_LINK_FLAGS += $(YSFX_GRAPHICS_LIBS)
 endif
 
-ifeq ($(USING_JUCE),true)
-STANDALONE_LINK_FLAGS += $(JUCE_AUDIO_BASICS_LIBS)
-ifeq ($(USING_JUCE_AUDIO_DEVICES),true)
-STANDALONE_LINK_FLAGS += $(JUCE_AUDIO_DEVICES_LIBS)
-endif
-STANDALONE_LINK_FLAGS += $(JUCE_AUDIO_PROCESSORS_LIBS)
-STANDALONE_LINK_FLAGS += $(JUCE_CORE_LIBS)
-STANDALONE_LINK_FLAGS += $(JUCE_DATA_STRUCTURES_LIBS)
-STANDALONE_LINK_FLAGS += $(JUCE_EVENTS_LIBS)
-STANDALONE_LINK_FLAGS += $(JUCE_GRAPHICS_LIBS)
-STANDALONE_LINK_FLAGS += $(JUCE_GUI_BASICS_LIBS)
-STANDALONE_LINK_FLAGS += $(JUCE_GUI_EXTRA_LIBS)
-endif
-
 ifeq ($(USING_RTAUDIO),true)
 STANDALONE_LINK_FLAGS += $(RTAUDIO_LIBS)
 STANDALONE_LINK_FLAGS += $(RTMIDI_LIBS)

source/backend/Makefile.mk

@@ -10,13 +10,6 @@ endif
 
 include $(CWD)/Makefile.mk
 
-# Workaround GCC bug
-ifeq ($(TESTBUILD),true)
-ifeq ($(USING_JUCE),true)
-BUILD_CXX_FLAGS += -Wno-undef
-endif
-endif
-
 # ---------------------------------------------------------------------------------------------------------------------
 
 BINDIR    := $(CWD)/../bin

source/backend/engine/CarlaEngine.cpp

@@ -1,19 +1,5 @@
-/*
- * Carla Plugin Host
- * Copyright (C) 2011-2023 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
+// SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 /* TODO:
  * - complete processRack(): carefully add to input, sorted events
@@ -100,10 +86,6 @@ uint CarlaEngine::getDriverCount()
         ++count;
 #endif
 
-#ifdef USING_JUCE_AUDIO_DEVICES
-    count += getJuceApiCount();
-#endif
-
 #ifdef USING_RTAUDIO
     count += getRtAudioApiCount();
 #endif
@@ -131,15 +113,6 @@ const char* CarlaEngine::getDriverName(const uint index)
     }
 #endif
 
-#ifdef USING_JUCE_AUDIO_DEVICES
-    if (const uint count = getJuceApiCount())
-    {
-        if (index2 < count)
-            return getJuceApiName(index2);
-        index2 -= count;
-    }
-#endif
-
 #ifdef USING_RTAUDIO
     if (const uint count = getRtAudioApiCount())
     {
@@ -178,15 +151,6 @@ const char* const* CarlaEngine::getDriverDeviceNames(const uint index)
     }
 #endif
 
-#ifdef USING_JUCE_AUDIO_DEVICES
-    if (const uint count = getJuceApiCount())
-    {
-        if (index2 < count)
-            return getJuceApiDeviceNames(index2);
-        index2 -= count;
-    }
-#endif
-
 #ifdef USING_RTAUDIO
     if (const uint count = getRtAudioApiCount())
     {
@@ -228,15 +192,6 @@ const EngineDriverDeviceInfo* CarlaEngine::getDriverDeviceInfo(const uint index,
     }
 #endif
 
-#ifdef USING_JUCE_AUDIO_DEVICES
-    if (const uint count = getJuceApiCount())
-    {
-        if (index2 < count)
-            return getJuceDeviceInfo(index2, deviceName);
-        index2 -= count;
-    }
-#endif
-
 #ifdef USING_RTAUDIO
     if (const uint count = getRtAudioApiCount())
     {
@@ -280,15 +235,6 @@ bool CarlaEngine::showDriverDeviceControlPanel(const uint index, const char* con
     }
 #endif
 
-#ifdef USING_JUCE_AUDIO_DEVICES
-    if (const uint count = getJuceApiCount())
-    {
-        if (index2 < count)
-            return showJuceDeviceControlPanel(index2, deviceName);
-        index2 -= count;
-    }
-#endif
-
 #ifdef USING_RTAUDIO
     if (const uint count = getRtAudioApiCount())
     {
@@ -324,30 +270,6 @@ CarlaEngine* CarlaEngine::newDriverByName(const char* const driverName)
         return newDummy();
 #endif
 
-#ifdef USING_JUCE_AUDIO_DEVICES
-    // -------------------------------------------------------------------
-    // linux
-
-    if (std::strcmp(driverName, "ALSA") == 0)
-        return newJuce(AUDIO_API_ALSA);
-
-    // -------------------------------------------------------------------
-    // macos
-
-    if (std::strcmp(driverName, "CoreAudio") == 0)
-        return newJuce(AUDIO_API_COREAUDIO);
-
-    // -------------------------------------------------------------------
-    // windows
-
-    if (std::strcmp(driverName, "ASIO") == 0)
-        return newJuce(AUDIO_API_ASIO);
-    if (std::strcmp(driverName, "DirectSound") == 0)
-        return newJuce(AUDIO_API_DIRECTSOUND);
-    if (std::strcmp(driverName, "WASAPI") == 0 || std::strcmp(driverName, "Windows Audio") == 0)
-        return newJuce(AUDIO_API_WASAPI);
-#endif
-
 #ifdef USING_RTAUDIO
     // -------------------------------------------------------------------
     // common
@@ -782,14 +704,14 @@ bool CarlaEngine::addPlugin(const BinaryType btype,
             plugin = CarlaPlugin::newVST3(initializer);
             break;
 
-        case PLUGIN_AU:
-            plugin = CarlaPlugin::newAU(initializer);
-            break;
-
         case PLUGIN_CLAP:
             plugin = CarlaPlugin::newCLAP(initializer);
             break;
 
+        case PLUGIN_AU:
+            plugin = CarlaPlugin::newAU(initializer);
+            break;
+
        #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH
         case PLUGIN_INTERNAL:
             plugin = CarlaPlugin::newNative(initializer);
@@ -1298,8 +1220,7 @@ bool CarlaEngine::loadFile(const char* const filename)
     CARLA_SAFE_ASSERT_RETURN_ERR(filename != nullptr && filename[0] != '\0', "Invalid filename");
     carla_debug("CarlaEngine::loadFile(\"%s\")", filename);
 
-    const String jfilename = String(CharPointer_UTF8(filename));
-    File file(jfilename);
+    File file(filename);
     CARLA_SAFE_ASSERT_RETURN_ERR(file.exists(), "Requested file does not exist or is not a readable");
 
     CarlaString baseName(file.getFileNameWithoutExtension().toRawUTF8());
@@ -1442,6 +1363,9 @@ bool CarlaEngine::loadFile(const char* const filename)
     // Direct plugin binaries
 
 #ifdef CARLA_OS_MAC
+    if (extension == "component")
+        return addPlugin(PLUGIN_AU, filename, nullptr, nullptr, 0, nullptr);
+
     if (extension == "vst")
         return addPlugin(PLUGIN_VST2, filename, nullptr, nullptr, 0, nullptr);
 #else
@@ -1467,8 +1391,7 @@ bool CarlaEngine::loadProject(const char* const filename, const bool setAsCurren
     CARLA_SAFE_ASSERT_RETURN_ERR(filename != nullptr && filename[0] != '\0', "Invalid filename");
     carla_debug("CarlaEngine::loadProject(\"%s\")", filename);
 
-    const String jfilename = String(CharPointer_UTF8(filename));
-    const File file(jfilename);
+    const File file(filename);
     CARLA_SAFE_ASSERT_RETURN_ERR(file.existsAsFile(), "Requested file does not exist or is not a readable file");
 
     if (setAsCurrentProject)
@@ -1529,8 +1452,7 @@ bool CarlaEngine::saveProject(const char* const filename, const bool setAsCurren
     MemoryOutputStream out;
     saveProjectInternal(out);
 
-    const String jfilename = String(CharPointer_UTF8(filename));
-    File file(jfilename);
+    File file(filename);
 
     if (file.replaceWithData(out.getData(), out.getDataSize()))
         return true;
@@ -2679,7 +2601,7 @@ static String findBinaryInCustomPath(const char* const searchPath, const char* c
         jbinary = jbinary.substring(2).replaceCharacter('\\', '/');
 #endif
 
-    String filename = File(jbinary).getFileName();
+    String filename = File(jbinary.toRawUTF8()).getFileName();
 
     int searchFlags = File::findFiles|File::ignoreHiddenFiles;
 
@@ -2693,10 +2615,10 @@ static String findBinaryInCustomPath(const char* const searchPath, const char* c
     std::vector<File> results;
     for (const String *it=searchPaths.begin(), *end=searchPaths.end(); it != end; ++it)
     {
-        const File path(*it);
+        const File path(it->toRawUTF8());
 
         results.clear();
-        path.findChildFiles(results, searchFlags, true, filename);
+        path.findChildFiles(results, searchFlags, true, filename.toRawUTF8());
 
         if (!results.empty())
             return results.front().getFullPathName();
@@ -2705,23 +2627,23 @@ static String findBinaryInCustomPath(const char* const searchPath, const char* c
     // try changing extension
 #if defined(CARLA_OS_MAC)
     if (filename.endsWithIgnoreCase(".dll") || filename.endsWithIgnoreCase(".so"))
-        filename = File(jbinary).getFileNameWithoutExtension() + ".dylib";
+        filename = File(jbinary.toRawUTF8()).getFileNameWithoutExtension() + ".dylib";
 #elif defined(CARLA_OS_WIN)
     if (filename.endsWithIgnoreCase(".dylib") || filename.endsWithIgnoreCase(".so"))
-        filename = File(jbinary).getFileNameWithoutExtension() + ".dll";
+        filename = File(jbinary.toRawUTF8()).getFileNameWithoutExtension() + ".dll";
 #else
     if (filename.endsWithIgnoreCase(".dll") || filename.endsWithIgnoreCase(".dylib"))
-        filename = File(jbinary).getFileNameWithoutExtension() + ".so";
+        filename = File(jbinary.toRawUTF8()).getFileNameWithoutExtension() + ".so";
 #endif
     else
         return String();
 
     for (const String *it=searchPaths.begin(), *end=searchPaths.end(); it != end; ++it)
     {
-        const File path(*it);
+        const File path(it->toRawUTF8());
 
         results.clear();
-        path.findChildFiles(results, searchFlags, true, filename);
+        path.findChildFiles(results, searchFlags, true, filename.toRawUTF8());
 
         if (!results.empty())
             return results.front().getFullPathName();
@@ -3174,6 +3096,7 @@ bool CarlaEngine::loadProjectInternal(water::XmlDocument& xmlDoc, const bool alw
             case PLUGIN_VST2:
             case PLUGIN_VST3:
             case PLUGIN_CLAP:
+            case PLUGIN_AU:
                 btype = getBinaryTypeFromFile(stateSave.binary);
                 break;
             default:

source/backend/engine/CarlaEngineBridge.cpp

@@ -1,19 +1,5 @@
-/*
- * Carla Plugin Host
- * Copyright (C) 2011-2023 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
+// SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifndef BUILD_BRIDGE
 # error This file should not be compiled if not building bridge
@@ -934,7 +920,7 @@ public:
                 {
                     if (valueSize > maxLocalValueLen)
                     {
-                        const BridgeTextReader bigValueFilePathTry(fShmNonRtClientControl, valueSize);
+                        const BridgeTextReader bigValueFilePathTry(fShmNonRtClientControl);
 
                         CARLA_SAFE_ASSERT_BREAK(bigValueFilePathTry.text[0] != '\0');
                         if (! plugin->isEnabled()) break;
@@ -947,7 +933,7 @@ public:
                             bigValueFilePath = bigValueFilePath.replaceSection(0, 1, "Z:\\").replace("/", "\\");
 #endif
 
-                        File bigValueFile(bigValueFilePath);
+                        File bigValueFile(bigValueFilePath.toRawUTF8());
                         CARLA_SAFE_ASSERT_BREAK(bigValueFile.existsAsFile());
 
                         plugin->setCustomData(type.text, key.text, bigValueFile.loadFileAsString().toRawUTF8(), true);
@@ -988,7 +974,7 @@ public:
                     chunkFilePath = chunkFilePath.replaceSection(0, 1, "Z:\\").replace("/", "\\");
 #endif
 
-                File chunkFile(chunkFilePath);
+                File chunkFile(chunkFilePath.toRawUTF8());
                 CARLA_SAFE_ASSERT_BREAK(chunkFile.existsAsFile());
 
                 String chunkDataBase64(chunkFile.loadFileAsString());
@@ -1122,7 +1108,7 @@ public:
                                 filePath += CARLA_OS_SEP_STR ".CarlaCustomData_";
                                 filePath += fShmAudioPool.getFilenameSuffix();
 
-                                if (File(filePath).replaceWithText(cdata.value))
+                                if (File(filePath.toRawUTF8()).replaceWithText(cdata.value))
                                 {
                                     const uint32_t ulength(static_cast<uint32_t>(filePath.length()));
 
@@ -1160,7 +1146,7 @@ public:
                         filePath += CARLA_OS_SEP_STR ".CarlaChunk_";
                         filePath += fShmAudioPool.getFilenameSuffix();
 
-                        if (File(filePath).replaceWithText(dataBase64.buffer()))
+                        if (File(filePath.toRawUTF8()).replaceWithText(dataBase64.buffer()))
                         {
                             const uint32_t ulength(static_cast<uint32_t>(filePath.length()));
 

source/backend/engine/CarlaEngineJack.cpp

@@ -1,19 +1,5 @@
-/*
- * Carla Plugin Host
- * Copyright (C) 2011-2022 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
+// SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "CarlaEngineClient.hpp"
 #include "CarlaEngineInit.hpp"
@@ -29,10 +15,6 @@
 
 #include "jackey.h"
 
-#ifdef USING_JUCE
-# include "carla_juce/carla_juce.h"
-#endif
-
 #ifdef __SSE2_MATH__
 # include <xmmintrin.h>
 #endif
@@ -4535,10 +4517,6 @@ int jack_initialize(jack_client_t* const client, const char* const load_init)
     else
         mode = ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS;
 
-#ifdef USING_JUCE
-    CarlaJUCE::initialiseJuce_GUI();
-#endif
-
     CarlaEngineJack* const engine = new CarlaEngineJack();
 
     engine->setOption(ENGINE_OPTION_FORCE_STEREO, 1, nullptr);
@@ -4564,9 +4542,7 @@ int jack_initialize(jack_client_t* const client, const char* const load_init)
         return 0;
 
     delete engine;
-#ifdef USING_JUCE
-    CarlaJUCE::shutdownJuce_GUI();
-#endif
+
     return 1;
 }
 
@@ -4582,10 +4558,6 @@ void jack_finish(void *arg)
     engine->removeAllPlugins();
     engine->close();
     delete engine;
-
-#ifdef USING_JUCE
-    CarlaJUCE::shutdownJuce_GUI();
-#endif
 }
 
 // -----------------------------------------------------------------------

source/backend/engine/CarlaEngineNative.cpp

@@ -1,19 +1,5 @@
-/*
- * Carla Plugin Host
- * Copyright (C) 2011-2023 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
+// SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "CarlaDefines.h"
 
@@ -49,10 +35,6 @@
 # include <direct.h>
 #endif
 
-#ifdef USING_JUCE
-# include "carla_juce/carla_juce.h"
-#endif
-
 using water::File;
 using water::MemoryOutputStream;
 using water::String;
@@ -111,13 +93,6 @@ public:
                       const uint32_t cvIns = 0, const uint32_t cvOuts = 0)
         : CarlaEngine(),
           pHost(host),
-#ifdef USE_REFCOUNTER_JUCE_MESSAGE_MANAGER
-          // if not running inside Carla, we will have to run event loop ourselves
-          kNeedsJuceEvents(host->dispatcher(pHost->handle,
-                                            NATIVE_HOST_OPCODE_INTERNAL_PLUGIN, 0, 0, nullptr, 0.0f) == 0),
-          fJuceMsgMgr(),
-          fJuceMsgMutex(),
-#endif
           kIsPatchbay(isPatchbay),
           kHasMidiIn(withMidiIn),
           kHasMidiOut(withMidiOut),
@@ -136,11 +111,6 @@ public:
 
         carla_zeroFloats(fParameters, kNumInParams+kNumOutParams);
 
-#ifdef USE_REFCOUNTER_JUCE_MESSAGE_MANAGER
-        if (kNeedsJuceEvents)
-            fJuceMsgMgr.incRef();
-#endif
-
         pData->bufferSize = pHost->get_buffer_size(pHost->handle);
         pData->sampleRate = pHost->get_sample_rate(pHost->handle);
         pData->initTime(nullptr);
@@ -198,21 +168,11 @@ public:
         pData->aboutToClose = true;
         fIsRunning = false;
 
-        {
-#ifdef USE_REFCOUNTER_JUCE_MESSAGE_MANAGER
-            const ScopedJuceMessageThreadRunner sjmtr(*this, true);
-#endif
-            removeAllPlugins();
-            //runPendingRtEvents();
-            close();
-
-            pData->graph.destroy();
-        }
+        removeAllPlugins();
+        //runPendingRtEvents();
+        close();
 
-#ifdef USE_REFCOUNTER_JUCE_MESSAGE_MANAGER
-        if (kNeedsJuceEvents)
-            fJuceMsgMgr.decRef();
-#endif
+        pData->graph.destroy();
 
         carla_debug("CarlaEngineNative::~CarlaEngineNative() - END");
     }
@@ -351,6 +311,14 @@ public:
                 pHost->ui_closed(pHost->handle);
             break;
 
+        case ENGINE_CALLBACK_EMBED_UI_RESIZED:
+            if (sendHost && fUsesEmbed)
+                pHost->dispatcher(pHost->handle,
+                                  NATIVE_HOST_OPCODE_UI_RESIZE,
+                                  value1, value2,
+                                  nullptr, 0.0f);
+            break;
+
         default:
             break;
         }
@@ -1345,13 +1313,6 @@ protected:
 
     void uiIdle()
     {
-#ifdef USE_REFCOUNTER_JUCE_MESSAGE_MANAGER
-        const ScopedJuceMessageThreadRunner sjmtr(*this, false);
-
-        if (kNeedsJuceEvents && ! sjmtr.wasLocked)
-            return;
-#endif
-
         for (uint i=0; i < pData->curPluginCount; ++i)
         {
             if (const CarlaPluginPtr plugin = pData->plugins[i].plugin)
@@ -1391,11 +1352,13 @@ protected:
         if (carla_isNotEqual(fLastScaleFactor, pData->options.uiScale))
         {
             fLastScaleFactor = pData->options.uiScale;
-            pHost->dispatcher(pHost->handle,
-                              NATIVE_HOST_OPCODE_UI_RESIZE,
-                              static_cast<int>(kUiWidth * fLastScaleFactor + 0.5f),
-                              static_cast<int>(kUiHeight * fLastScaleFactor + 0.5f),
-                              nullptr, 0.0f);
+
+            if (! fUsesEmbed)
+                pHost->dispatcher(pHost->handle,
+                                  NATIVE_HOST_OPCODE_UI_RESIZE,
+                                  static_cast<int>(kUiWidth * fLastScaleFactor + 0.5f),
+                                  static_cast<int>(kUiHeight * fLastScaleFactor + 0.5f),
+                                  nullptr, 0.0f);
         }
 
         {
@@ -1537,10 +1500,6 @@ protected:
 
     void setState(const char* const data)
     {
-#ifdef USE_REFCOUNTER_JUCE_MESSAGE_MANAGER
-        const ScopedJuceMessageThreadRunner sjmtr(*this, true);
-#endif
-
         // remove all plugins from UI side
         for (uint i=0, count=pData->curPluginCount; i < count; ++i)
             CarlaEngine::callback(true, true, ENGINE_CALLBACK_PLUGIN_REMOVED, count-i-1, 0, 0, 0, 0.0f, nullptr);
@@ -1750,36 +1709,6 @@ public:
 private:
     const NativeHostDescriptor* const pHost;
 
-#ifdef USE_REFCOUNTER_JUCE_MESSAGE_MANAGER
-    const bool kNeedsJuceEvents;
-    const CarlaJUCE::ReferenceCountedJuceMessageMessager fJuceMsgMgr;
-    CarlaMutex fJuceMsgMutex;
-
-    struct ScopedJuceMessageThreadRunner {
-        const CarlaMutexTryLocker cmtl;
-        const bool wasLocked;
-
-        ScopedJuceMessageThreadRunner(CarlaEngineNative& self, const bool forceLock) noexcept
-            : cmtl(self.fJuceMsgMutex, forceLock),
-              wasLocked(cmtl.wasLocked())
-        {
-            if (! self.kNeedsJuceEvents)
-                return;
-            if (! wasLocked)
-                return;
-
-            CarlaJUCE::setMessageManagerForThisThread();
-        }
-
-        ~ScopedJuceMessageThreadRunner()
-        {
-            CarlaJUCE::dispatchMessageManagerMessages();
-        }
-
-        CARLA_DECLARE_NON_COPYABLE(ScopedJuceMessageThreadRunner)
-    };
-#endif
-
     const bool kIsPatchbay; // rack if false
     const bool kHasMidiIn;
     const bool kHasMidiOut;
@@ -3112,15 +3041,6 @@ namespace EngineInit {
 CarlaEngine* newJack() { return nullptr; }
 #endif
 
-#ifdef USING_JUCE_AUDIO_DEVICES
-CarlaEngine*       newJuce(const AudioApi)           { return nullptr; }
-uint               getJuceApiCount()                 { return 0;       }
-const char*        getJuceApiName(const uint)        { return nullptr; }
-const char* const* getJuceApiDeviceNames(const uint) { return nullptr; }
-const EngineDriverDeviceInfo* getJuceDeviceInfo(const uint, const char* const) { return nullptr; }
-bool               showJuceDeviceControlPanel(const uint, const char* const)   { return false; }
-#endif
-
 #ifdef USING_RTAUDIO
 CarlaEngine*       newRtAudio(const AudioApi)           { return nullptr; }
 uint               getRtAudioApiCount()                 { return 0;       }

source/backend/engine/CarlaEngineOsc.hpp

@@ -139,7 +139,7 @@ private:
                       int argc, const lo_arg* const* argv, const char* types, lo_message msg);
 
     int handleMsgRegister(bool isTCP, int argc, const lo_arg* const* argv, const char* types, lo_address source);
-    int handleMsgUnregister(bool isTCP, int argc, const lo_arg* const* argv, const char* types);
+    int handleMsgUnregister(bool isTCP, int argc, const lo_arg* const* argv, const char* types, lo_address source);
     int handleMsgControl(const char* method,
                          int argc, const lo_arg* const* argv, const char* types);
 

source/backend/engine/CarlaEngineOscHandlers.cpp

@@ -61,7 +61,7 @@ int CarlaEngineOsc::handleMessage(const bool isTCP, const char* const path,
         return handleMsgRegister(isTCP, argc, argv, types, source);
 
     if (std::strcmp(path, "/unregister") == 0)
-        return handleMsgUnregister(isTCP, argc, argv, types);
+        return handleMsgUnregister(isTCP, argc, argv, types, source);
 
     if (std::strncmp(path, "/ctrl/", 6) == 0)
     {
@@ -284,7 +284,8 @@ int CarlaEngineOsc::handleMsgRegister(const bool isTCP,
 }
 
 int CarlaEngineOsc::handleMsgUnregister(const bool isTCP,
-                                        const int argc, const lo_arg* const* const argv, const char* const types)
+                                        const int argc, const lo_arg* const* const argv, const char* const types,
+                                        const lo_address source)
 {
     carla_debug("CarlaEngineOsc::handleMsgUnregister()");
     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "s");
@@ -297,16 +298,26 @@ int CarlaEngineOsc::handleMsgUnregister(const bool isTCP,
         return 0;
     }
 
-    const char* const url = &argv[0]->s;
+    const char* const url  = &argv[0]->s;
+    const char* const host = lo_address_get_hostname(source);
+    const char* const path = lo_url_get_path(url);
+
+    if (std::strcmp(oscData.owner, host) != 0)
+    {
+        carla_stderr("OSC backend unregister failed, current owner host %s does not match requested %s",
+                     oscData.owner, host);
+        return 0;
+    }
 
-    if (std::strcmp(oscData.owner, url) == 0)
+    if (std::strcmp(oscData.path, path) != 0)
     {
-        carla_stdout("OSC client %s unregistered", url);
-        oscData.clear();
+        carla_stderr("OSC backend unregister failed, current owner path %s does not match requested %s",
+                     oscData.path, path);
         return 0;
     }
 
-    carla_stderr("OSC backend unregister failed, current owner %s does not match requested %s", oscData.owner, url);
+    carla_stdout("OSC client %s unregistered", url);
+    oscData.clear();
     return 0;
 }
 

source/backend/engine/CarlaEngineRtAudio.cpp

@@ -1,19 +1,5 @@
-/*
- * Carla Plugin Host
- * Copyright (C) 2011-2022 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
+// SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "CarlaEngineGraph.hpp"
 #include "CarlaEngineInit.hpp"
@@ -290,7 +276,10 @@ public:
         }
 
         RtAudio::StreamOptions rtOptions;
-        rtOptions.flags = RTAUDIO_MINIMIZE_LATENCY | RTAUDIO_SCHEDULE_REALTIME;
+        rtOptions.flags = RTAUDIO_SCHEDULE_REALTIME;
+       #ifndef CARLA_OS_MAC
+        rtOptions.flags |= RTAUDIO_MINIMIZE_LATENCY;
+       #endif
         rtOptions.numberOfBuffers = pData->options.audioTripleBuffer ? 3 : 2;
         rtOptions.streamName = clientName;
         rtOptions.priority = 85;

source/backend/engine/Makefile

@@ -7,13 +7,6 @@
 CWD=../..
 include ../Makefile.mk
 
-# Workaround GCC bug
-ifeq ($(TESTBUILD),true)
-ifeq ($(USING_JUCE_AUDIO_DEVICES),true)
-BUILD_CXX_FLAGS += -Wno-undef
-endif
-endif
-
 BUILD_CXX_FLAGS += $(MAGIC_FLAGS)
 
 ifneq ($(HAIKU),true)
@@ -48,11 +41,6 @@ endif
 OBJSa = $(OBJS) \
 	$(OBJDIR)/CarlaEngineNative.cpp.o
 
-ifeq ($(USING_JUCE_AUDIO_DEVICES),true)
-OBJSa += \
-	$(OBJDIR)/CarlaEngineJuce.cpp.o
-endif
-
 ifeq ($(USING_RTAUDIO),true)
 OBJSa += \
 	$(OBJDIR)/CarlaEngineRtAudio.cpp.o
@@ -132,13 +120,6 @@ $(OBJDIR)/CarlaEngineJack.cpp.o: CarlaEngineJack.cpp
 	$(SILENT)$(CXX) $< $(BUILD_CXX_FLAGS) $(JACK_FLAGS) -c -o $@
 endif
 
-ifeq ($(USING_JUCE),true)
-$(OBJDIR)/CarlaEngineJuce.cpp.o: CarlaEngineJuce.cpp
-	-@mkdir -p $(OBJDIR)
-	@echo "Compiling $<"
-	$(SILENT)$(CXX) $< $(BUILD_CXX_FLAGS) -std=gnu++14 -c -o $@
-endif
-
 $(OBJDIR)/%.cpp.o: %.cpp
 	-@mkdir -p $(OBJDIR)
 	@echo "Compiling $<"

source/backend/plugin/CarlaPlugin.cpp

@@ -1,19 +1,5 @@
-/*
- * Carla Plugin
- * Copyright (C) 2011-2023 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
+// SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "CarlaPluginInternal.hpp"
 #include "CarlaEngine.hpp"
@@ -987,8 +973,7 @@ bool CarlaPlugin::saveStateToFile(const char* const filename)
     out << streamState;
     out << "</CARLA-PRESET>\n";
 
-    const String jfilename = String(CharPointer_UTF8(filename));
-    File file(jfilename);
+    File file(filename);
 
     if (file.replaceWithData(out.getData(), out.getDataSize()))
         return true;
@@ -1004,8 +989,7 @@ bool CarlaPlugin::loadStateFromFile(const char* const filename)
     CARLA_SAFE_ASSERT_RETURN(filename != nullptr && filename[0] != '\0', false);
     carla_debug("CarlaPlugin::loadStateFromFile(\"%s\")", filename);
 
-    const String jfilename = String(CharPointer_UTF8(filename));
-    File file(jfilename);
+    File file(filename);
     CARLA_SAFE_ASSERT_RETURN(file.existsAsFile(), false);
 
     XmlDocument xml(file);
@@ -2368,7 +2352,7 @@ void CarlaPlugin::clearBuffers() noexcept
 // OSC stuff
 
 // FIXME
-void CarlaPlugin::handleOscMessage(const char* const, const int, const void* const, const char* const, const lo_message)
+void CarlaPlugin::handleOscMessage(const char*, int, const void*, const char*, void*)
 {
     // do nothing
 }

source/backend/plugin/CarlaPluginBridge.cpp

@@ -1,6 +1,6 @@
 /*
  * Carla Plugin Bridge
- * Copyright (C) 2011-2023 Filipe Coelho <falktx@falktx.com>
+ * Copyright (C) 2011-2024 Filipe Coelho <falktx@falktx.com>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
@@ -60,7 +60,7 @@ static String findWinePrefix(const String filename, const int recursionLimit = 1
 
     const String path(filename.upToLastOccurrenceOf("/", false, false));
 
-    if (File(path + "/dosdevices").isDirectory())
+    if (File(String(path + "/dosdevices").toRawUTF8()).isDirectory())
         return path;
 
     return findWinePrefix(path, recursionLimit-1);
@@ -204,7 +204,7 @@ protected:
 
                 if (fBridgeBinary.endsWithIgnoreCase("64.exe")
                     && options.wine.executable[0] == CARLA_OS_SEP
-                    && File(wineCMD + "64").existsAsFile())
+                    && File(String(wineCMD + "64").toRawUTF8()).existsAsFile())
                     wineCMD += "64";
             }
             else
@@ -996,7 +996,7 @@ public:
                     filePath += CARLA_OS_SEP_STR ".CarlaCustomData_";
                     filePath += fShmAudioPool.getFilenameSuffix();
 
-                    if (File(filePath).replaceWithText(value))
+                    if (File(filePath.toRawUTF8()).replaceWithText(value))
                     {
                         const uint32_t ulength = static_cast<uint32_t>(filePath.length());
 
@@ -1034,7 +1034,7 @@ public:
         filePath += CARLA_OS_SEP_STR ".CarlaChunk_";
         filePath += fShmAudioPool.getFilenameSuffix();
 
-        if (File(filePath).replaceWithText(dataBase64.buffer()))
+        if (File(filePath.toRawUTF8()).replaceWithText(dataBase64.buffer()))
         {
             const uint32_t ulength = static_cast<uint32_t>(filePath.length());
 
@@ -2550,7 +2550,7 @@ public:
                     }
                    #endif
 
-                    const File bigValueFile(realBigValueFilePath);
+                    const File bigValueFile(realBigValueFilePath.toRawUTF8());
                     CARLA_SAFE_ASSERT_BREAK(bigValueFile.existsAsFile());
 
                     CarlaPlugin::setCustomData(type.text, key.text, bigValueFile.loadFileAsString().toRawUTF8(), false);
@@ -2591,7 +2591,7 @@ public:
                 }
                #endif
 
-                const File chunkFile(realChunkFilePath);
+                const File chunkFile(realChunkFilePath.toRawUTF8());
                 CARLA_SAFE_ASSERT_BREAK(chunkFile.existsAsFile());
 
                 fInfo.chunk = carla_getChunkFromBase64String(chunkFile.loadFileAsString().toRawUTF8());
@@ -3245,7 +3245,7 @@ private:
             filePath += CARLA_OS_SEP_STR ".CarlaChunk_";
             filePath += fShmAudioPool.getFilenameSuffix();
 
-            if (File(filePath).replaceWithText(dataBase64.buffer()))
+            if (File(filePath.toRawUTF8()).replaceWithText(dataBase64.buffer()))
             {
                 const uint32_t ulength(static_cast<uint32_t>(filePath.length()));
 

source/backend/plugin/CarlaPluginJSFX.cpp

@@ -1,6 +1,6 @@
 /*
  * Carla JSFX Plugin
- * Copyright (C) 2021-2023 Filipe Coelho <falktx@falktx.com>
+ * Copyright (C) 2021-2024 Filipe Coelho <falktx@falktx.com>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
@@ -224,7 +224,7 @@ public:
 
     bool getLabel(char* const strBuf) const noexcept override
     {
-        std::strncpy(strBuf, fUnit.getFileId().toRawUTF8(), STR_MAX);
+        std::strncpy(strBuf, fUnit.getFileId(), STR_MAX);
         return true;
     }
 
@@ -943,7 +943,7 @@ public:
                 // find which engine search path we're in, and use this as the root
                 for (int i = 0; i < splitPaths.size() && !fUnit; ++i)
                 {
-                    const File currentPath(splitPaths[i]);
+                    const File currentPath(splitPaths[i].toRawUTF8());
                     if (file.isAChildOf(currentPath))
                         fUnit = CarlaJsfxUnit(currentPath, file);
                 }
@@ -957,7 +957,7 @@ public:
                 // search a matching file in plugin paths
                 for (int i = 0; i < splitPaths.size() && !fUnit; ++i)
                 {
-                    const File currentPath(splitPaths[i]);
+                    const File currentPath(splitPaths[i].toRawUTF8());
                     const File currentFile = currentPath.getChildFile(CharPointer_UTF8(label));
                     const CarlaJsfxUnit currentUnit(currentPath, currentFile);
                     if (File(currentUnit.getFilePath()).existsAsFile())
@@ -977,12 +977,12 @@ public:
         ysfx_config_u config(ysfx_config_new());
         CARLA_SAFE_ASSERT_RETURN(config != nullptr, false);
 
-        const water::String rootPath = fUnit.getRootPath();
-        const water::String filePath = fUnit.getFilePath();
+        const CarlaString rootPath = fUnit.getRootPath();
+        const CarlaString filePath = fUnit.getFilePath();
 
         ysfx_register_builtin_audio_formats(config.get());
-        ysfx_set_import_root(config.get(), rootPath.toRawUTF8());
-        ysfx_guess_file_roots(config.get(), filePath.toRawUTF8());
+        ysfx_set_import_root(config.get(), rootPath);
+        ysfx_guess_file_roots(config.get(), filePath);
         ysfx_set_log_reporter(config.get(), &CarlaJsfxLogging::logAll);
         ysfx_set_user_data(config.get(), (intptr_t)this);
 
@@ -993,7 +993,7 @@ public:
         // get info
 
         {
-            if (! ysfx_load_file(fEffect, filePath.toRawUTF8(), 0))
+            if (! ysfx_load_file(fEffect, filePath, 0))
             {
                 pData->engine->setLastError("Failed to load JSFX");
                 return false;
@@ -1021,7 +1021,7 @@ public:
             pData->name = carla_strdup(ysfx_get_name(fEffect));
         }
 
-        pData->filename = carla_strdup(filePath.toRawUTF8());
+        pData->filename = filePath.dup();
 
         // ---------------------------------------------------------------
         // register client

source/backend/plugin/CarlaPluginJack.cpp

@@ -1,19 +1,5 @@
-/*
- * Carla Plugin JACK
- * Copyright (C) 2016-2022 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
+// SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "CarlaPluginInternal.hpp"
 #include "CarlaEngine.hpp"
@@ -499,7 +485,7 @@ private:
             CARLA_SAFE_ASSERT_RETURN(uniqueCodeID != nullptr && uniqueCodeID[0] != '\0', false);
             CARLA_SAFE_ASSERT_RETURN(appName.isNotEmpty(), false);
 
-            String child(pluginName);
+            CarlaString child(pluginName);
             child += ".";
             child += uniqueCodeID;
 
@@ -1886,7 +1872,7 @@ private:
         char code[6];
         code[5] = '\0';
 
-        String child;
+        CarlaString child;
 
         for (;;)
         {

source/backend/plugin/CarlaPluginLADSPADSSI.cpp

@@ -2404,9 +2404,9 @@ public:
     // -------------------------------------------------------------------
     // OSC stuff
 
-    void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override
+    void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, void* const msg) override
     {
-        const lo_address source(lo_message_get_source(msg));
+        const lo_address source = lo_message_get_source(static_cast<lo_message>(msg));
         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);
 
         // protocol for DSSI UIs *must* be UDP
@@ -2441,7 +2441,7 @@ public:
         if (std::strcmp(method, "midi") == 0)
             return handleOscMessageMIDI(argc, argv, types);
         if (std::strcmp(method, "update") == 0)
-            return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));
+            return handleOscMessageUpdate(argc, argv, types, source);
         if (std::strcmp(method, "exiting") == 0)
             return handleOscMessageExiting();
 

source/backend/plugin/CarlaPluginLV2.cpp

@@ -1,19 +1,5 @@
-/*
- * Carla LV2 Plugin
- * Copyright (C) 2011-2022 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
+// SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 // testing macros
 // #define LV2_UIS_ONLY_BRIDGES
@@ -5853,7 +5839,7 @@ public:
             return nullptr;
         }
 
-        water::String basedir(pData->engine->getName());
+        CarlaString basedir(pData->engine->getName());
 
         if (temporary)
             basedir += ".tmp";
@@ -5881,7 +5867,7 @@ public:
             {
                 // seems like a normal save, let's be nice and put a symlink
                 const water::String abstractFilename(wabsolutePath.getFileName());
-                const File targetPath(targetDir.getChildFile(abstractFilename));
+                const File targetPath(targetDir.getChildFile(abstractFilename.toRawUTF8()));
 
                 wabsolutePath.createSymbolicLink(targetPath, true);
 
@@ -5916,7 +5902,7 @@ public:
             return File();
         }
 
-        water::String basedir(pData->engine->getName());
+        CarlaString basedir(pData->engine->getName());
 
         if (temporary)
             basedir += ".tmp";
@@ -5930,7 +5916,7 @@ public:
         if (File::isAbsolutePath(abstractPath))
         {
             File wabstractPath(abstractPath);
-            targetPath = targetDir.getChildFile(wabstractPath.getFileName());
+            targetPath = targetDir.getChildFile(wabstractPath.getFileName().toRawUTF8());
 
             if (symlinkIfNeeded)
             {

source/backend/plugin/CarlaPluginNative.cpp

@@ -1068,7 +1068,7 @@ public:
         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);
         carla_debug("CarlaPluginNative::reload() - start");
 
-        const EngineProcessMode processMode(pData->engine->getProccessMode());
+        const EngineProcessMode processMode = pData->engine->getProccessMode();
 
         // Safely disable plugin for reload
         const ScopedDisabler sd(this);

source/backend/plugin/CarlaPluginVST2.cpp

@@ -1,27 +1,8 @@
-/*
- * Carla VST2 Plugin
- * Copyright (C) 2011-2022 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
+// SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "CarlaPluginInternal.hpp"
 #include "CarlaEngine.hpp"
-#include "AppConfig.h"
-
-#if defined(USING_JUCE) && JUCE_PLUGINHOST_VST
-# define USE_JUCE_FOR_VST2
-#endif
 
 #include "CarlaBackendUtils.hpp"
 #include "CarlaMathUtils.hpp"
@@ -2970,11 +2951,6 @@ CarlaPluginPtr CarlaPlugin::newVST2(const Initializer& init)
     carla_debug("CarlaPlugin::newVST2({%p, \"%s\", \"%s\", " P_INT64 "})",
                 init.engine, init.filename, init.name, init.uniqueId);
 
-#ifdef USE_JUCE_FOR_VST2
-    if (std::getenv("CARLA_DO_NOT_USE_JUCE_FOR_VST2") == nullptr)
-        return newJuce(init, "VST2");
-#endif
-
     std::shared_ptr<CarlaPluginVST2> plugin(new CarlaPluginVST2(init.engine, init.id));
 
     if (! plugin->init(plugin, init.filename, init.name, init.uniqueId, init.options))

source/backend/plugin/CarlaPluginVST3.cpp

@@ -1,19 +1,5 @@
-/*
- * Carla VST3 Plugin
- * Copyright (C) 2014-2023 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
+// SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 /* TODO list
  * noexcept safe calls
@@ -21,11 +7,6 @@
  */
 #include "CarlaPluginInternal.hpp"
 #include "CarlaEngine.hpp"
-#include "AppConfig.h"
-
-#if defined(USING_JUCE) && JUCE_PLUGINHOST_VST3
-# define USE_JUCE_FOR_VST3
-#endif
 
 #include "CarlaBackendUtils.hpp"
 #include "CarlaVst3Utils.hpp"
@@ -1406,9 +1387,7 @@ public:
             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;
             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;
             options |= PLUGIN_OPTION_SEND_PITCHBEND;
-            /* TODO
             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;
-            */
             options |= PLUGIN_OPTION_SKIP_SENDING_NOTES;
         }
 
@@ -2390,6 +2369,9 @@ public:
             }
         }
 
+        if (fEvents.paramInputs != nullptr && fV3.midiMapping != nullptr)
+            fMidiControllerAssignments.init(fV3.midiMapping, numEventInputBuses);
+
         bufferSizeChanged(pData->engine->getBufferSize());
         reloadPrograms(true);
 
@@ -2460,7 +2442,32 @@ public:
 
         if (pData->needsReset)
         {
-            if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS && fEvents.eventInputs != nullptr)
+            if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)
+            {
+                for (uint8_t c=0; c<MAX_MIDI_CHANNELS; ++c)
+                {
+                    v3_param_id paramId;
+                    if (fMidiControllerAssignments.get(0, c, MIDI_CONTROL_ALL_NOTES_OFF, paramId))
+                    {
+                        // TODO create mapping between paramId -> index
+                        uint32_t index = UINT32_MAX;
+                        for (uint32_t i=0; i < pData->param.count; ++i)
+                        {
+                            if (static_cast<v3_param_id>(pData->param.data[i].rindex) == paramId)
+                            {
+                                index = i;
+                                break;
+                            }
+                        }
+
+                        if (index == UINT32_MAX)
+                            break;
+
+                        fEvents.paramInputs->setParamValueRT(index, 0, 0.f);
+                    }
+                }
+            }
+            else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS && fEvents.eventInputs != nullptr)
             {
                 fEvents.eventInputs->numEvents = MAX_MIDI_NOTE;
 
@@ -2588,6 +2595,9 @@ public:
             // --------------------------------------------------------------------------------------------------------
             // Event Input (System)
 
+#ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH
+            bool allNotesOffSent  = false;
+#endif
             bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;
 
             uint32_t startTime = 0;
@@ -2718,13 +2728,10 @@ public:
 
                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_VALUE)
                         {
-                            v3_param_id paramId = 0;
-                            if (v3_cpp_obj(fV3.midiMapping)->get_midi_controller_assignment(fV3.midiMapping,
-                                                                                            0,
-                                                                                            event.channel,
-                                                                                            ctrlEvent.param,
-                                                                                            &paramId) == V3_OK)
+                            v3_param_id paramId;
+                            if (fMidiControllerAssignments.get(0, event.channel, ctrlEvent.param, paramId))
                             {
+                                // TODO create mapping between paramId -> index
                                 uint32_t index = UINT32_MAX;
                                 for (uint32_t i=0; i < pData->param.count; ++i)
                                 {
@@ -2764,8 +2771,61 @@ public:
                         break;
 
                     case kEngineControlEventTypeAllSoundOff:
+                        if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)
+                        {
+                            v3_param_id paramId;
+                            if (fMidiControllerAssignments.get(0, event.channel, MIDI_CONTROL_ALL_SOUND_OFF, paramId))
+                            {
+                                // TODO create mapping between paramId -> index
+                                uint32_t index = UINT32_MAX;
+                                for (uint32_t i=0; i < pData->param.count; ++i)
+                                {
+                                    if (static_cast<v3_param_id>(pData->param.data[i].rindex) == paramId)
+                                    {
+                                        index = i;
+                                        break;
+                                    }
+                                }
+
+                                if (index == UINT32_MAX)
+                                    break;
+
+                                fEvents.paramInputs->setParamValueRT(index, event.time, 0.f);
+                            }
+                        }
+                        break;
+
                     case kEngineControlEventTypeAllNotesOff:
-                        // TODO map to CC
+                        if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)
+                        {
+#ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH
+                            if (event.channel == pData->ctrlChannel && ! allNotesOffSent)
+                            {
+                                allNotesOffSent = true;
+                                postponeRtAllNotesOff();
+                            }
+#endif
+
+                            v3_param_id paramId;
+                            if (fMidiControllerAssignments.get(0, event.channel, MIDI_CONTROL_ALL_NOTES_OFF, paramId))
+                            {
+                                // TODO create mapping between paramId -> index
+                                uint32_t index = UINT32_MAX;
+                                for (uint32_t i=0; i < pData->param.count; ++i)
+                                {
+                                    if (static_cast<v3_param_id>(pData->param.data[i].rindex) == paramId)
+                                    {
+                                        index = i;
+                                        break;
+                                    }
+                                }
+
+                                if (index == UINT32_MAX)
+                                    break;
+
+                                fEvents.paramInputs->setParamValueRT(index, event.time, 0.f);
+                            }
+                        }
                         break;
                     } // switch (ctrlEvent.type)
                     break;
@@ -2854,13 +2914,10 @@ public:
                             const uint8_t control = midiEvent.data[1];
                             const uint8_t value   = midiEvent.data[2];
 
-                            v3_param_id paramId = 0;
-                            if (v3_cpp_obj(fV3.midiMapping)->get_midi_controller_assignment(fV3.midiMapping,
-                                                                                            midiEvent.port,
-                                                                                            event.channel,
-                                                                                            control,
-                                                                                            &paramId) == V3_OK)
+                            v3_param_id paramId;
+                            if (fMidiControllerAssignments.get(midiEvent.port, event.channel, control, paramId))
                             {
+                                // TODO create mapping between paramId -> index
                                 uint32_t index = UINT32_MAX;
                                 for (uint32_t i=0; i < pData->param.count; ++i)
                                 {
@@ -2885,13 +2942,10 @@ public:
                         {
                             const uint8_t pressure = midiEvent.data[1];
 
-                            v3_param_id paramId = 0;
-                            if (v3_cpp_obj(fV3.midiMapping)->get_midi_controller_assignment(fV3.midiMapping,
-                                                                                            midiEvent.port,
-                                                                                            event.channel,
-                                                                                            128,
-                                                                                            &paramId) == V3_OK)
+                            v3_param_id paramId;
+                            if (fMidiControllerAssignments.get(midiEvent.port, event.channel, 128, paramId))
                             {
+                                // TODO create mapping between paramId -> index
                                 uint32_t index = UINT32_MAX;
                                 for (uint32_t i=0; i < pData->param.count; ++i)
                                 {
@@ -2916,13 +2970,10 @@ public:
                         {
                             const uint16_t pitchbend = (midiEvent.data[2] << 7) | midiEvent.data[1];
 
-                            v3_param_id paramId = 0;
-                            if (v3_cpp_obj(fV3.midiMapping)->get_midi_controller_assignment(fV3.midiMapping,
-                                                                                            midiEvent.port,
-                                                                                            event.channel,
-                                                                                            129,
-                                                                                            &paramId) == V3_OK)
+                            v3_param_id paramId;
+                            if (fMidiControllerAssignments.get(midiEvent.port, event.channel, 129, paramId))
                             {
+                                // TODO create mapping between paramId -> index
                                 uint32_t index = UINT32_MAX;
                                 for (uint32_t i=0; i < pData->param.count; ++i)
                                 {
@@ -3407,7 +3458,7 @@ public:
             binaryfilename += ".so";
            #endif
 
-            if (! water::File(binaryfilename).existsAsFile())
+            if (! water::File(binaryfilename.toRawUTF8()).existsAsFile())
             {
                 pData->engine->setLastError("Failed to find a suitable VST3 bundle binary");
                 return false;
@@ -3544,10 +3595,8 @@ public:
                 pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;
             if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_PITCHBEND))
                 pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;
-            /* TODO
             if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_ALL_SOUND_OFF))
                 pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;
-            */
             if (isPluginOptionInverseEnabled(options, PLUGIN_OPTION_SKIP_SENDING_NOTES))
                 pData->options |= PLUGIN_OPTION_SKIP_SENDING_NOTES;
         }
@@ -4133,6 +4182,80 @@ private:
         CARLA_DECLARE_NON_COPYABLE(Events)
     } fEvents;
 
+    struct MidiControllerAssignments {
+        v3_param_id* mappings;
+        bool* used;
+
+        MidiControllerAssignments() noexcept
+          : mappings(nullptr),
+            used(nullptr) {}
+
+        ~MidiControllerAssignments() noexcept
+        {
+            clear();
+        }
+
+        void init(v3_midi_mapping** const midiMapping, const uint32_t numPorts)
+        {
+            clear();
+
+            if (numPorts == 0)
+                return;
+
+            const uint32_t dataPoints = numPorts * MAX_MIDI_CHANNELS * 130;
+
+            mappings = new v3_param_id[dataPoints];
+            used = new bool[dataPoints];
+
+            carla_zeroStructs(mappings, dataPoints);
+            carla_zeroStructs(used, dataPoints);
+
+            v3_param_id paramId;
+            for (uint32_t p=0; p<numPorts; ++p)
+            {
+                for (uint8_t ch=0; ch<MAX_MIDI_CHANNELS; ++ch)
+                {
+                    for (uint16_t cc=0; cc<130; ++cc)
+                    {
+                        if (v3_cpp_obj(midiMapping)->get_midi_controller_assignment(midiMapping, p,
+                                                                                    ch, cc, &paramId) == V3_OK)
+                        {
+                            const uint32_t index = p * (130 + MAX_MIDI_CHANNELS) + cc * MAX_MIDI_CHANNELS + ch;
+                            mappings[index] = paramId;
+                            used[index] = true;
+                        }
+                    }
+                }
+            }
+        }
+
+        void clear() noexcept
+        {
+            delete[] mappings;
+            delete[] used;
+            mappings = nullptr;
+            used = nullptr;
+        }
+
+        bool get(const uint8_t port, const uint8_t channel, const uint8_t cc, v3_param_id& paramId) noexcept
+        {
+            CARLA_SAFE_ASSERT_UINT_RETURN(channel < MAX_MIDI_CHANNELS, channel, false);
+            CARLA_SAFE_ASSERT_UINT_RETURN(cc < 130, cc, false);
+
+            if (used == nullptr)
+                return false;
+
+            const uint32_t index = port * (130 + MAX_MIDI_CHANNELS) + cc * MAX_MIDI_CHANNELS + channel;
+            if (used[index])
+            {
+                paramId = mappings[index];
+                return true;
+            }
+
+            return false;
+        }
+    } fMidiControllerAssignments;
+
    #ifdef V3_VIEW_PLATFORM_TYPE_NATIVE
     struct UI {
         bool isAttached;
@@ -4180,11 +4303,6 @@ CarlaPluginPtr CarlaPlugin::newVST3(const Initializer& init)
     carla_debug("CarlaPlugin::newVST3({%p, \"%s\", \"%s\", \"%s\"})",
                 init.engine, init.filename, init.name, init.label);
 
-#ifdef USE_JUCE_FOR_VST3
-    if (std::getenv("CARLA_DO_NOT_USE_JUCE_FOR_VST3") == nullptr)
-        return newJuce(init, "VST3");
-#endif
-
     std::shared_ptr<CarlaPluginVST3> plugin(new CarlaPluginVST3(init.engine, init.id));
 
     if (! plugin->init(plugin, init.filename, init.name, init.label, init.options))

source/backend/plugin/Makefile

@@ -7,13 +7,6 @@
 CWD=../..
 include ../Makefile.mk
 
-# Workaround GCC bug
-ifeq ($(TESTBUILD),true)
-ifeq ($(USING_JUCE),true)
-BUILD_CXX_FLAGS += -Wno-undef
-endif
-endif
-
 BUILD_CXX_FLAGS += $(MAGIC_FLAGS)
 
 ifneq ($(HAIKU),true)
@@ -35,7 +28,6 @@ OBJS = \
 	$(OBJDIR)/CarlaPluginVST3.cpp.o \
 	$(OBJDIR)/CarlaPluginAU.cpp.o \
 	$(OBJDIR)/CarlaPluginJSFX.cpp.o \
-	$(OBJDIR)/CarlaPluginJuce.cpp.o \
 	$(OBJDIR)/CarlaPluginFluidSynth.cpp.o \
 	$(OBJDIR)/CarlaPluginSFZero.cpp.o
 
@@ -83,34 +75,13 @@ $(OBJDIR)/CarlaPluginJSFX.cpp.o: CarlaPluginJSFX.cpp
 	$(SILENT)$(CXX) $< $(BUILD_CXX_FLAGS) $(YSFX_FLAGS) -c -o $@
 
 ifeq ($(MACOS),true)
-$(OBJDIR)/CarlaPluginVST2.cpp.o: CarlaPluginVST2.cpp
-	-@mkdir -p $(OBJDIR)
-	@echo "Compiling $<"
-	$(SILENT)$(CXX) $< $(BUILD_CXX_FLAGS) -ObjC++ -c -o $@
+$(OBJDIR)/CarlaPluginAU.cpp.o: BUILD_CXX_FLAGS += -ObjC++
 
-$(OBJDIR)/CarlaPluginVST3.cpp.o: CarlaPluginVST3.cpp
-	-@mkdir -p $(OBJDIR)
-	@echo "Compiling $<"
-	$(SILENT)$(CXX) $< $(BUILD_CXX_FLAGS) -ObjC++ -c -o $@
+$(OBJDIR)/CarlaPluginCLAP.cpp.o: BUILD_CXX_FLAGS += -ObjC++
 
-$(OBJDIR)/CarlaPluginCLAP.cpp.o: CarlaPluginCLAP.cpp
-	-@mkdir -p $(OBJDIR)
-	@echo "Compiling $<"
-	$(SILENT)$(CXX) $< $(BUILD_CXX_FLAGS) -ObjC++ -c -o $@
-endif
+$(OBJDIR)/CarlaPluginVST2.cpp.o: BUILD_CXX_FLAGS += -ObjC++
 
-ifeq ($(USING_JUCE),true)
-ifeq ($(MACOS),true)
-$(OBJDIR)/CarlaPluginJuce.cpp.o: CarlaPluginJuce.cpp
-	-@mkdir -p $(OBJDIR)
-	@echo "Compiling $<"
-	$(SILENT)$(CXX) $< $(BUILD_CXX_FLAGS) -ObjC++ -std=gnu++14 -c -o $@
-else
-$(OBJDIR)/CarlaPluginJuce.cpp.o: CarlaPluginJuce.cpp
-	-@mkdir -p $(OBJDIR)
-	@echo "Compiling $<"
-	$(SILENT)$(CXX) $< $(BUILD_CXX_FLAGS) -std=gnu++14 -c -o $@
-endif
+$(OBJDIR)/CarlaPluginVST3.cpp.o: BUILD_CXX_FLAGS += -ObjC++
 endif
 
 $(OBJDIR)/%.cpp.o: %.cpp

source/backend/utils/CachedPlugins.cpp

@@ -1,19 +1,5 @@
-/*
- * Carla Plugin Host
- * Copyright (C) 2011-2023 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
+// SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "CarlaUtils.h"
 
@@ -22,11 +8,6 @@
 #include "CarlaBackendUtils.hpp"
 #include "CarlaLv2Utils.hpp"
 
-#if defined(USING_JUCE) && defined(CARLA_OS_MAC)
-# include "AppConfig.h"
-# include "juce_audio_processors/juce_audio_processors.h"
-#endif
-
 #ifndef STATIC_PLUGIN_TARGET
 # define HAVE_SFZ
 # include "water/containers/Array.h"
@@ -98,7 +79,7 @@ static void findSFZs(const char* const sfzPaths)
     {
         std::vector<water::File> results;
 
-        if (water::File(*it).findChildFiles(results, water::File::findFiles|water::File::ignoreHiddenFiles, true, "*.sfz") > 0)
+        if (water::File(it->toRawUTF8()).findChildFiles(results, water::File::findFiles|water::File::ignoreHiddenFiles, true, "*.sfz") > 0)
         {
             gSFZs.reserve(gSFZs.size() + results.size());
             gSFZs.insert(gSFZs.end(), results.begin(), results.end());
@@ -126,7 +107,7 @@ static void findJSFXs(const char* const jsfxPaths)
     for (water::String *it = splitPaths.begin(), *end = splitPaths.end(); it != end; ++it)
     {
         std::vector<water::File> results;
-        const water::File path(*it);
+        const water::File path(it->toRawUTF8());
 
         if (path.findChildFiles(results, water::File::findFiles|water::File::ignoreHiddenFiles, true, "*") > 0)
         {
@@ -603,67 +584,6 @@ static const CarlaCachedPluginInfo* get_cached_plugin_lv2(Lv2WorldClass& lv2Worl
 
 // -------------------------------------------------------------------------------------------------------------------
 
-#if defined(USING_JUCE) && defined(CARLA_OS_MAC)
-static juce::StringArray gCachedAuPluginResults;
-
-static void findAUs()
-{
-    if (gCachedAuPluginResults.size() != 0)
-        return;
-
-    juce::AudioUnitPluginFormat auFormat;
-    gCachedAuPluginResults = auFormat.searchPathsForPlugins(juce::FileSearchPath(), false, false);
-}
-
-static const CarlaCachedPluginInfo* get_cached_plugin_au(const juce::String pluginId)
-{
-    static CarlaCachedPluginInfo info;
-    static CarlaString sname, slabel, smaker;
-
-    info.valid = false;
-
-    juce::AudioUnitPluginFormat auFormat;
-    juce::OwnedArray<juce::PluginDescription> results;
-    auFormat.findAllTypesForFile(results, pluginId);
-    CARLA_SAFE_ASSERT_RETURN(results.size() > 0, &info);
-    CARLA_SAFE_ASSERT(results.size() == 1);
-
-    juce::PluginDescription* const desc(results[0]);
-    CARLA_SAFE_ASSERT_RETURN(desc != nullptr, &info);
-
-    info.category = CB::getPluginCategoryFromName(desc->category.toRawUTF8());
-    info.hints    = 0x0;
-    info.valid    = true;
-
-    if (desc->isInstrument)
-        info.hints |= CB::PLUGIN_IS_SYNTH;
-    if (true)
-        info.hints |= CB::PLUGIN_HAS_CUSTOM_UI;
-
-    info.audioIns  = static_cast<uint32_t>(desc->numInputChannels);
-    info.audioOuts = static_cast<uint32_t>(desc->numOutputChannels);
-    info.cvIns     = 0;
-    info.cvOuts    = 0;
-    info.midiIns   = desc->isInstrument ? 1 : 0;
-    info.midiOuts  = 0;
-    info.parameterIns  = 0;
-    info.parameterOuts = 0;
-
-    sname  = desc->name.toRawUTF8();
-    slabel = desc->fileOrIdentifier.toRawUTF8();
-    smaker = desc->manufacturerName.toRawUTF8();
-
-    info.name      = sname;
-    info.label     = slabel;
-    info.maker     = smaker;
-    info.copyright = gCachedPluginsNullCharPtr;
-
-    return &info;
-}
-#endif
-
-// -------------------------------------------------------------------------------------------------------------------
-
 #ifdef HAVE_SFZ
 static const CarlaCachedPluginInfo* get_cached_plugin_sfz(const water::File& file)
 {
@@ -707,17 +627,17 @@ static const CarlaCachedPluginInfo* get_cached_plugin_jsfx(const CB::CarlaJsfxUn
 
     ysfx_config_u config(ysfx_config_new());
 
-    const water::String rootPath = unit.getRootPath();
-    const water::String filePath = unit.getFilePath();
+    const CarlaString rootPath = unit.getRootPath();
+    const CarlaString filePath = unit.getFilePath();
 
     ysfx_register_builtin_audio_formats(config.get());
-    ysfx_set_import_root(config.get(), rootPath.toRawUTF8());
-    ysfx_guess_file_roots(config.get(), filePath.toRawUTF8());
+    ysfx_set_import_root(config.get(), rootPath);
+    ysfx_guess_file_roots(config.get(), filePath);
     ysfx_set_log_reporter(config.get(), &CB::CarlaJsfxLogging::logErrorsOnly);
 
     ysfx_u effect(ysfx_new(config.get()));
 
-    if (! ysfx_load_file(effect.get(), filePath.toRawUTF8(), 0))
+    if (! ysfx_load_file(effect.get(), filePath, 0))
     {
         info.valid = false;
         return &info;
@@ -734,11 +654,11 @@ static const CarlaCachedPluginInfo* get_cached_plugin_jsfx(const CB::CarlaJsfxUn
     }
 
     static CarlaString name, label, maker;
-    label = unit.getFileId().toRawUTF8();
+    label = unit.getFileId();
     name = ysfx_get_name(effect.get());
     maker = ysfx_get_author(effect.get());
 
-    info.valid         = true;
+    info.valid = true;
 
     info.category = CB::CarlaJsfxCategories::getFromEffect(effect.get());
 
@@ -796,12 +716,6 @@ uint carla_get_cached_plugin_count(CB::PluginType ptype, const char* pluginPath)
         return lv2World.getPluginCount();
     }
 
-   #if defined(USING_JUCE) && defined(CARLA_OS_MAC)
-    case CB::PLUGIN_AU:
-        findAUs();
-        return static_cast<uint>(gCachedAuPluginResults.size());
-   #endif
-
    #ifdef HAVE_SFZ
     case CB::PLUGIN_SFZ:
         findSFZs(pluginPath);
@@ -847,12 +761,6 @@ const CarlaCachedPluginInfo* carla_get_cached_plugin_info(CB::PluginType ptype,
         return get_cached_plugin_lv2(lv2World, lilvPlugin);
     }
 
-   #if defined(USING_JUCE) && defined(CARLA_OS_MAC)
-    case CB::PLUGIN_AU:
-        CARLA_SAFE_ASSERT_BREAK(index < static_cast<uint>(gCachedAuPluginResults.size()));
-        return get_cached_plugin_au(gCachedAuPluginResults.strings.getUnchecked(static_cast<int>(index)));
-   #endif
-
    #ifdef HAVE_SFZ
     case CB::PLUGIN_SFZ:
         CARLA_SAFE_ASSERT_BREAK(index < gSFZs.size());

source/backend/utils/Information.cpp

@@ -1,19 +1,5 @@
-/*
- * Carla Plugin Host
- * Copyright (C) 2011-2023 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
+// SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "CarlaUtils.h"
 #include "CarlaString.hpp"
@@ -31,10 +17,6 @@
 # pragma GCC diagnostic ignored "-Wzero-as-null-pointer-constant"
 #endif
 
-#if defined(USING_JUCE) && !defined(BUILD_BRIDGE)
-# include "carla_juce/carla_juce.h"
-#endif
-
 #ifdef USING_RTAUDIO
 # include "rtaudio/RtAudio.h"
 # include "rtmidi/RtMidi.h"
@@ -64,18 +46,10 @@ const char* carla_get_complete_license_text()
         "<li>LADSPA plugin support</li>"
         "<li>DSSI plugin support</li>"
         "<li>LV2 plugin support</li>"
-       #if defined(USING_JUCE) && JUCE_PLUGINHOST_VST
-        "<li>VST2 plugin support (using JUCE)</li>"
-       #else
         "<li>VST2 plugin support (using VeSTige header by Javier Serrano Polo)</li>"
-       #endif
-       #if defined(USING_JUCE) && JUCE_PLUGINHOST_VST3
-        "<li>VST3 plugin support (using JUCE)</li>"
-       #else
         "<li>VST3 plugin support (using Travesty header files)</li>"
-       #endif
-       #if defined(USING_JUCE) && JUCE_PLUGINHOST_AU
-        "<li>AU plugin support (using JUCE)</li>"
+       #ifdef CARLA_OS_MAC
+        "<li>AU plugin support (discovery only)</li>"
        #endif
        #ifdef HAVE_YSFX
         "<li>JSFX plugin support (using ysfx)</li>"
@@ -122,25 +96,6 @@ const char* carla_get_complete_license_text()
     return retText;
 }
 
-const char* carla_get_juce_version()
-{
-    carla_debug("carla_get_juce_version()");
-
-    static CarlaString retVersion;
-
-   #if defined(USING_JUCE) && !defined(BUILD_BRIDGE)
-    if (retVersion.isEmpty())
-    {
-        if (const char* const version = CarlaJUCE::getVersion())
-            retVersion = version+6;
-        else
-            retVersion = "Unknown";
-    }
-   #endif
-
-    return retVersion;
-}
-
 const char* const* carla_get_supported_file_extensions()
 {
     carla_debug("carla_get_supported_file_extensions()");
@@ -229,12 +184,6 @@ const char* const* carla_get_supported_features()
        #ifdef HAVE_YSFX
         "jsfx",
        #endif
-      #ifdef USING_JUCE
-        "juce",
-       #if defined(CARLA_OS_MAC)
-        "au",
-       #endif
-      #endif
         nullptr
     };
 

source/backend/utils/JUCE.cpp

@@ -1,47 +0,0 @@
-/*
- * Carla Plugin Host
- * Copyright (C) 2011-2022 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
-
-#include "CarlaUtils.h"
-
-#ifdef USING_JUCE
-# include "carla_juce/carla_juce.h"
-#endif
-
-// -------------------------------------------------------------------------------------------------------------------
-
-void carla_juce_init()
-{
-#ifdef USING_JUCE
-    CarlaJUCE::initialiseJuce_GUI();
-#endif
-}
-
-void carla_juce_idle()
-{
-#ifdef USING_JUCE
-    CarlaJUCE::idleJuce_GUI();
-#endif
-}
-
-void carla_juce_cleanup()
-{
-#ifdef USING_JUCE
-    CarlaJUCE::shutdownJuce_GUI();
-#endif
-}
-
-// -------------------------------------------------------------------------------------------------------------------

source/backend/utils/Makefile

@@ -10,7 +10,7 @@ include ../Makefile.mk
 # ---------------------------------------------------------------------------------------------------------------------
 
 BUILD_CXX_FLAGS += $(FLUIDSYNTH_FLAGS)
-BUILD_CXX_FLAGS += $(MAGIC_LIBS)
+BUILD_CXX_FLAGS += $(MAGIC_FLAGS)
 BUILD_CXX_FLAGS += $(YSFX_FLAGS)
 
 # ---------------------------------------------------------------------------------------------------------------------
@@ -19,7 +19,6 @@ OBJS = \
 	$(OBJDIR)/CachedPlugins.cpp.o \
 	$(OBJDIR)/CarlaUtils.cpp.o \
 	$(OBJDIR)/Information.cpp.o \
-	$(OBJDIR)/JUCE.cpp.o \
 	$(OBJDIR)/PipeClient.cpp.o \
 	$(OBJDIR)/PluginDiscovery.cpp.o \
 	$(OBJDIR)/System.cpp.o \
@@ -37,20 +36,9 @@ ifeq ($(HAVE_YSFX),true)
 LIBS += $(MODULEDIR)/ysfx.a
 endif
 
-ifeq ($(USING_JUCE),true)
-LIBS += $(MODULEDIR)/carla_juce.a
-LIBS += $(MODULEDIR)/juce_audio_basics.a
-LIBS += $(MODULEDIR)/juce_audio_processors.a
-LIBS += $(MODULEDIR)/juce_core.a
-LIBS += $(MODULEDIR)/juce_data_structures.a
-LIBS += $(MODULEDIR)/juce_events.a
-LIBS += $(MODULEDIR)/juce_graphics.a
-LIBS += $(MODULEDIR)/juce_gui_basics.a
-LIBS += $(MODULEDIR)/juce_gui_extra.a
-endif
-
 LINK_FLAGS += $(JACKBRIDGE_LIBS)
 LINK_FLAGS += $(LILV_LIBS)
+LINK_FLAGS += $(MAGIC_LIBS)
 LINK_FLAGS += $(WATER_LIBS)
 
 ifeq ($(HAVE_X11),true)
@@ -67,17 +55,6 @@ LINK_FLAGS += -pthread
 endif
 endif
 
-ifeq ($(USING_JUCE),true)
-LINK_FLAGS += $(JUCE_AUDIO_BASICS_LIBS)
-LINK_FLAGS += $(JUCE_AUDIO_PROCESSORS_LIBS)
-LINK_FLAGS += $(JUCE_CORE_LIBS)
-LINK_FLAGS += $(JUCE_DATA_STRUCTURES_LIBS)
-LINK_FLAGS += $(JUCE_EVENTS_LIBS)
-LINK_FLAGS += $(JUCE_GRAPHICS_LIBS)
-LINK_FLAGS += $(JUCE_GUI_BASICS_LIBS)
-LINK_FLAGS += $(JUCE_GUI_EXTRA_LIBS)
-endif
-
 # ---------------------------------------------------------------------------------------------------------------------
 
 all: $(TARGETS)
@@ -100,12 +77,10 @@ $(BINDIR)/libcarla_utils$(LIB_EXT): $(OBJS) $(LIBS)
 # ---------------------------------------------------------------------------------------------------------------------
 
 ifeq ($(MACOS),true)
-ifeq ($(USING_JUCE),true)
-$(OBJDIR)/CachedPlugins.cpp.o: BUILD_CXX_FLAGS += -std=gnu++14
-endif
 $(OBJDIR)/CarlaUtils.cpp.o: BUILD_CXX_FLAGS += -ObjC++
 
 $(OBJDIR)/Windows.cpp.o: BUILD_CXX_FLAGS += -ObjC++
+
 endif
 
 $(OBJDIR)/%.cpp.o: %.cpp

source/backend/utils/PluginDiscovery.cpp

@@ -1,19 +1,5 @@
-/*
- * Carla Plugin Host
- * Copyright (C) 2011-2023 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
+// SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #include "CarlaUtils.h"
 
@@ -41,7 +27,7 @@ static water::String findWinePrefix(const water::String filename, const int recu
 
     const water::String path(filename.upToLastOccurrenceOf("/", false, false));
 
-    if (water::File(path + "/dosdevices").isDirectory())
+    if (water::File(water::String(path + "/dosdevices").toRawUTF8()).isDirectory())
         return path;
 
     return findWinePrefix(path, recursionLimit-1);
@@ -111,6 +97,7 @@ public:
           fDiscoveryCallback(discoveryCb),
           fCheckCacheCallback(checkCacheCb),
           fCallbackPtr(callbackPtr),
+          fPluginPath(nullptr),
           fPluginsFoundInBinary(false),
           fBinaryIndex(0),
           fBinaryCount(static_cast<uint>(binaries.size())),
@@ -129,12 +116,14 @@ public:
                          const PluginType ptype,
                          const CarlaPluginDiscoveryCallback discoveryCb,
                          const CarlaPluginCheckCacheCallback checkCacheCb,
-                         void* const callbackPtr)
+                         void* const callbackPtr,
+                         const char* const pluginPath = nullptr)
         : fBinaryType(btype),
           fPluginType(ptype),
           fDiscoveryCallback(discoveryCb),
           fCheckCacheCallback(checkCacheCb),
           fCallbackPtr(callbackPtr),
+          fPluginPath(pluginPath != nullptr ? carla_strdup_safe(pluginPath) : nullptr),
           fPluginsFoundInBinary(false),
           fBinaryIndex(0),
           fBinaryCount(1),
@@ -153,6 +142,7 @@ public:
         std::free(fNextLabel);
         std::free(fNextMaker);
         std::free(fNextName);
+        delete[] fPluginPath;
     }
 
     bool idle()
@@ -385,6 +375,7 @@ private:
     const CarlaPluginDiscoveryCallback fDiscoveryCallback;
     const CarlaPluginCheckCacheCallback fCheckCacheCallback;
     void* const fCallbackPtr;
+    const char* fPluginPath;
 
     bool fPluginsFoundInBinary;
     uint fBinaryIndex;
@@ -428,7 +419,7 @@ private:
             {
                 helperTool = options.wine.executable.buffer();
 
-                if (helperTool[0] == CARLA_OS_SEP && File(helperTool + "64").existsAsFile())
+                if (helperTool.isNotEmpty() && helperTool[0] == CARLA_OS_SEP && File(String(helperTool + "64").toRawUTF8()).existsAsFile())
                     helperTool += "64";
             }
             else
@@ -457,7 +448,7 @@ private:
 
             if (envWinePrefix != nullptr && envWinePrefix[0] != '\0')
                 winePrefix = envWinePrefix;
-            else if (options.wine.fallbackPrefix != nullptr && options.wine.fallbackPrefix[0] != '\0')
+            else if (options.wine.fallbackPrefix.isNotEmpty())
                 winePrefix = options.wine.fallbackPrefix.buffer();
             else
                 winePrefix = File::getSpecialLocation(File::userHomeDirectory).getFullPathName() + "/.wine";
@@ -467,14 +458,76 @@ private:
         const CarlaScopedEnvVar sev2("WINEPREFIX", winePrefix.toRawUTF8());
        #endif
 
+        const CarlaScopedEnvVar sev3("CARLA_DISCOVERY_NO_PROCESSING_CHECKS", "1");
+
         if (fBinaries.empty())
         {
+            if (fBinaryType == CB::BINARY_NATIVE)
+            {
+                switch (fPluginType)
+                {
+                default:
+                    break;
+                case CB::PLUGIN_INTERNAL:
+                case CB::PLUGIN_LV2:
+                case CB::PLUGIN_JSFX:
+                case CB::PLUGIN_SFZ:
+                    if (const uint count = carla_get_cached_plugin_count(fPluginType, fPluginPath))
+                    {
+                        for (uint i=0; i<count; ++i)
+                        {
+                            const CarlaCachedPluginInfo* const pinfo = carla_get_cached_plugin_info(fPluginType, i);
+
+                            if (pinfo == nullptr || !pinfo->valid)
+                                continue;
+
+                            char* filename = nullptr;
+                            CarlaPluginDiscoveryInfo info = {};
+                            info.btype = CB::BINARY_NATIVE;
+                            info.ptype = fPluginType;
+                            info.metadata.name = pinfo->name;
+                            info.metadata.maker = pinfo->maker;
+                            info.metadata.category = pinfo->category;
+                            info.metadata.hints = pinfo->hints;
+                            info.io.audioIns = pinfo->audioIns;
+                            info.io.audioOuts = pinfo->audioOuts;
+                            info.io.cvIns = pinfo->cvIns;
+                            info.io.cvOuts = pinfo->cvOuts;
+                            info.io.midiIns = pinfo->midiIns;
+                            info.io.midiOuts = pinfo->midiOuts;
+                            info.io.parameterIns = pinfo->parameterIns;
+                            info.io.parameterOuts = pinfo->parameterOuts;
+
+                            if (fPluginType == CB::PLUGIN_LV2)
+                            {
+                                const char* const slash = std::strchr(pinfo->label, CARLA_OS_SEP);
+                                CARLA_SAFE_ASSERT_BREAK(slash != nullptr);
+                                filename = strdup(pinfo->label);
+                                filename[slash - pinfo->label] = '\0';
+                                info.filename = filename;
+                                info.label = slash + 1;
+                            }
+                            else
+                            {
+                                info.filename = gPluginsDiscoveryNullCharPtr;
+                                info.label = pinfo->label;
+                            }
+
+                            fDiscoveryCallback(fCallbackPtr, &info, nullptr);
+
+                            std::free(filename);
+                        }
+                    }
+                    return;
+                }
+            }
+
            #ifndef CARLA_OS_WIN
             if (helperTool.isNotEmpty())
-                startPipeServer(helperTool.toRawUTF8(), fDiscoveryTool, getPluginTypeAsString(fPluginType), ":all");
+                startPipeServer(helperTool.toRawUTF8(), fDiscoveryTool, getPluginTypeAsString(fPluginType), ":all", -1, 2000);
             else
            #endif
-                startPipeServer(fDiscoveryTool, getPluginTypeAsString(fPluginType), ":all");
+                startPipeServer(fDiscoveryTool, getPluginTypeAsString(fPluginType), ":all", -1, 2000);
         }
         else
         {
@@ -497,10 +550,10 @@ private:
 
            #ifndef CARLA_OS_WIN
             if (helperTool.isNotEmpty())
-                startPipeServer(helperTool.toRawUTF8(), fDiscoveryTool, getPluginTypeAsString(fPluginType), filename.toRawUTF8());
+                startPipeServer(helperTool.toRawUTF8(), fDiscoveryTool, getPluginTypeAsString(fPluginType), filename.toRawUTF8(), -1, 2000);
             else
            #endif
-                startPipeServer(fDiscoveryTool, getPluginTypeAsString(fPluginType), filename.toRawUTF8());
+                startPipeServer(fDiscoveryTool, getPluginTypeAsString(fPluginType), filename.toRawUTF8(), -1, 2000);
         }
     }
 
@@ -553,7 +606,7 @@ static bool findDirectories(std::vector<water::File>& files, const char* const p
 
     for (String *it = splitPaths.begin(), *end = splitPaths.end(); it != end; ++it)
     {
-        const File dir(*it);
+        const File dir(it->toRawUTF8());
         std::vector<File> results;
 
         if (dir.findChildFiles(results, File::findDirectories|File::ignoreHiddenFiles, true, wildcard) > 0)
@@ -585,7 +638,7 @@ static bool findFiles(std::vector<water::File>& files,
 
     for (String *it = splitPaths.begin(), *end = splitPaths.end(); it != end; ++it)
     {
-        const File dir(*it);
+        const File dir(it->toRawUTF8());
         std::vector<File> results;
 
         if (dir.findChildFiles(results, File::findFiles|File::ignoreHiddenFiles, true, wildcard) > 0)
@@ -628,7 +681,7 @@ static bool findVST3s(std::vector<water::File>& files,
 
     for (String *it = splitPaths.begin(), *end = splitPaths.end(); it != end; ++it)
     {
-        const File dir(*it);
+        const File dir(it->toRawUTF8());
         std::vector<File> results;
 
         if (dir.findChildFiles(results, flags|File::ignoreHiddenFiles, true, "*.vst3") > 0)
@@ -660,10 +713,28 @@ CarlaPluginDiscoveryHandle carla_plugin_discovery_start(const char* const discov
     CARLA_SAFE_ASSERT_RETURN(ptype != CB::PLUGIN_NONE, nullptr);
     CARLA_SAFE_ASSERT_RETURN(discoveryTool != nullptr && discoveryTool[0] != '\0', nullptr);
     CARLA_SAFE_ASSERT_RETURN(discoveryCb != nullptr, nullptr);
+    carla_debug("carla_plugin_discovery_start(%s, %d:%s, %d:%s, %s, %p, %p, %p)",
+                discoveryTool, btype, BinaryType2Str(btype), ptype, PluginType2Str(ptype), pluginPath,
+                discoveryCb, checkCacheCb, callbackPtr);
 
     bool directories = false;
     const char* wildcard = nullptr;
 
+    switch (ptype)
+    {
+    case CB::PLUGIN_INTERNAL:
+    case CB::PLUGIN_LV2:
+    case CB::PLUGIN_SFZ:
+    case CB::PLUGIN_JSFX:
+    case CB::PLUGIN_DLS:
+    case CB::PLUGIN_GIG:
+    case CB::PLUGIN_SF2:
+        CARLA_SAFE_ASSERT_UINT_RETURN(btype == CB::BINARY_NATIVE, btype, nullptr);
+        break;
+    default:
+        break;
+    }
+
     switch (ptype)
     {
     case CB::PLUGIN_NONE:
@@ -671,16 +742,15 @@ CarlaPluginDiscoveryHandle carla_plugin_discovery_start(const char* const discov
     case CB::PLUGIN_TYPE_COUNT:
         return nullptr;
 
+    case CB::PLUGIN_LV2:
     case CB::PLUGIN_SFZ:
     case CB::PLUGIN_JSFX:
     {
         const CarlaScopedEnvVar csev("CARLA_DISCOVERY_PATH", pluginPath);
-        return new CarlaPluginDiscovery(discoveryTool, btype, ptype, discoveryCb, checkCacheCb, callbackPtr);
+        return new CarlaPluginDiscovery(discoveryTool, btype, ptype, discoveryCb, checkCacheCb, callbackPtr, pluginPath);
     }
 
     case CB::PLUGIN_INTERNAL:
-    case CB::PLUGIN_LV2:
-    case CB::PLUGIN_AU:
         return new CarlaPluginDiscovery(discoveryTool, btype, ptype, discoveryCb, checkCacheCb, callbackPtr);
 
     case CB::PLUGIN_LADSPA:
@@ -728,6 +798,11 @@ CarlaPluginDiscoveryHandle carla_plugin_discovery_start(const char* const discov
         wildcard = "*.vst3";
         break;
 
+    case CB::PLUGIN_AU:
+        directories = true;
+        wildcard = "*.component";
+        break;
+
     case CB::PLUGIN_CLAP:
         wildcard = "*.clap";
        #ifdef CARLA_OS_MAC

source/bridges-plugin/CarlaBridgePlugin.cpp

@@ -1,19 +1,5 @@
-/*
- * Carla Bridge Plugin
- * Copyright (C) 2012-2023 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
+// SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifndef BUILD_BRIDGE
 # error This file should not be compiled if not building bridge
@@ -84,6 +70,11 @@ static void saveSignalHandler(int) noexcept
     gSaveNow = true;
 }
 #elif defined(CARLA_OS_WIN)
+static LONG WINAPI winExceptionFilter(_EXCEPTION_POINTERS*)
+{
+    return EXCEPTION_EXECUTE_HANDLER;
+}
+
 static BOOL WINAPI winSignalHandler(DWORD dwCtrlType) noexcept
 {
     if (dwCtrlType == CTRL_C_EVENT)
@@ -113,13 +104,15 @@ static void initSignalHandler()
     sigaction(SIGUSR1, &sig, nullptr);
 #elif defined(CARLA_OS_WIN)
     SetConsoleCtrlHandler(winSignalHandler, TRUE);
+    SetErrorMode(SEM_NOGPFAULTERRORBOX);
+    SetUnhandledExceptionFilter(winExceptionFilter);
 #endif
 }
 
 // -------------------------------------------------------------------------
 
-static String gProjectFilename;
 static CarlaHostHandle gHostHandle;
+static CarlaString gProjectFilename;
 
 static void gIdle()
 {
@@ -131,7 +124,7 @@ static void gIdle()
 
         if (gProjectFilename.isNotEmpty())
         {
-            if (! carla_save_plugin_state(gHostHandle, 0, gProjectFilename.toRawUTF8()))
+            if (! carla_save_plugin_state(gHostHandle, 0, gProjectFilename))
                 carla_stderr("Plugin preset save failed, error was:\n%s", carla_get_last_error(gHostHandle));
         }
     }
@@ -202,15 +195,15 @@ public:
             const CarlaPluginInfo* const pInfo = carla_get_plugin_info(gHostHandle, 0);
             CARLA_SAFE_ASSERT_RETURN(pInfo != nullptr,);
 
-            gProjectFilename  = CharPointer_UTF8(pInfo->name);
+            gProjectFilename  = pInfo->name;
             gProjectFilename += ".carxs";
 
             if (! File::isAbsolutePath(gProjectFilename))
-                gProjectFilename = File::getCurrentWorkingDirectory().getChildFile(gProjectFilename).getFullPathName();
+                gProjectFilename = File::getCurrentWorkingDirectory().getChildFile(gProjectFilename).getFullPathName().toRawUTF8();
 
             if (File(gProjectFilename).existsAsFile())
             {
-                if (carla_load_plugin_state(gHostHandle, 0, gProjectFilename.toRawUTF8()))
+                if (carla_load_plugin_state(gHostHandle, 0, gProjectFilename))
                     carla_stdout("Plugin state loaded successfully");
                 else
                     carla_stderr("Plugin state load failed, error was:\n%s", carla_get_last_error(gHostHandle));
@@ -218,7 +211,7 @@ public:
             else
             {
                 carla_stdout("Previous plugin state in '%s' is non-existent, will start from default state",
-                             gProjectFilename.toRawUTF8());
+                             gProjectFilename.buffer());
             }
         }
 

source/bridges-plugin/CarlaBridgeSingleLV2.cpp

@@ -1,6 +1,6 @@
 /*
  * Carla LV2 Single Plugin
- * Copyright (C) 2017-2022 Filipe Coelho <falktx@falktx.com>
+ * Copyright (C) 2017-2024 Filipe Coelho <falktx@falktx.com>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
@@ -29,10 +29,6 @@
 
 #include "water/files/File.h"
 
-#ifdef USING_JUCE
-# include "carla_juce/carla_juce.h"
-#endif
-
 template<>
 void Lv2PluginBaseClass<CARLA_BACKEND_NAMESPACE::EngineTimeInfo>::clearTimeData() noexcept
 {
@@ -53,9 +49,6 @@ public:
                          const LV2_Feature* const* const features)
         : Lv2PluginBaseClass<EngineTimeInfo>(sampleRate, features),
           fPlugin(nullptr)
-#ifdef USING_JUCE
-        , fJuceInitialiser()
-#endif
     {
         CARLA_SAFE_ASSERT_RETURN(pData->curPluginCount == 0,)
         CARLA_SAFE_ASSERT_RETURN(pData->plugins == nullptr,);
@@ -490,10 +483,6 @@ protected:
 private:
     CarlaPluginPtr fPlugin;
 
-#ifdef USING_JUCE
-    CarlaJUCE::ScopedJuceInitialiser_GUI fJuceInitialiser;
-#endif
-
     void updateParameterOutputs() noexcept
     {
         float value;

source/bridges-plugin/Makefile

@@ -8,15 +8,6 @@ CWD=..
 MODULENAME=carla-bridge
 include $(CWD)/Makefile.mk
 
-# Workaround GCC bug
-ifeq ($(TESTBUILD),true)
-ifeq ($(USING_JUCE),true)
-BUILD_CXX_FLAGS += -Wno-undef
-# FIXME
-BUILD_CXX_FLAGS += -Wno-deprecated-declarations
-endif
-endif
-
 ifneq ($(HAIKU),true)
 ifneq ($(WASM),true)
 BUILD_CXX_FLAGS += -pthread
@@ -41,7 +32,6 @@ BUILD_CXX_FLAGS += -DBUILD_BRIDGE -I. -I$(CWD) -I$(CWD)/backend -I$(CWD)/include
 BUILD_CXX_FLAGS += -I$(CWD)/backend/engine -I$(CWD)/backend/plugin
 
 BUILD_CXX_FLAGS += -UHAVE_SDL
-BUILD_CXX_FLAGS += -UUSING_JUCE_AUDIO_DEVICES
 BUILD_CXX_FLAGS += -UUSING_RTAUDIO
 
 32BIT_FLAGS += -DBUILD_BRIDGE_ALTERNATIVE_ARCH
@@ -92,27 +82,6 @@ LIBS_native += $(MODULEDIR)/ysfx.a
 LINK_FLAGS  += $(YSFX_GRAPHICS_LIBS)
 endif
 
-ifeq ($(USING_JUCE),true)
-LIBS_native  += $(MODULEDIR)/carla_juce.a
-LIBS_native  += $(MODULEDIR)/juce_audio_basics.a
-LIBS_native  += $(MODULEDIR)/juce_audio_processors.a
-LIBS_native  += $(MODULEDIR)/juce_core.a
-LIBS_native  += $(MODULEDIR)/juce_data_structures.a
-LIBS_native  += $(MODULEDIR)/juce_events.a
-LIBS_native  += $(MODULEDIR)/juce_graphics.a
-LIBS_native  += $(MODULEDIR)/juce_gui_basics.a
-LIBS_native  += $(MODULEDIR)/juce_gui_extra.a
-
-LINK_FLAGS   += $(JUCE_AUDIO_BASICS_LIBS)
-LINK_FLAGS   += $(JUCE_AUDIO_PROCESSORS_LIBS)
-LINK_FLAGS   += $(JUCE_CORE_LIBS)
-LINK_FLAGS   += $(JUCE_DATA_STRUCTURES_LIBS)
-LINK_FLAGS   += $(JUCE_EVENTS_LIBS)
-LINK_FLAGS   += $(JUCE_GRAPHICS_LIBS)
-LINK_FLAGS   += $(JUCE_GUI_BASICS_LIBS)
-LINK_FLAGS   += $(JUCE_GUI_EXTRA_LIBS)
-endif
-
 ifeq ($(JACKBRIDGE_DIRECT),true)
 LINK_FLAGS += $(JACK_LIBS)
 endif
@@ -130,6 +99,7 @@ NATIVE_LINK_FLAGS  += $(LIBLO_LIBS)
 NATIVE_BUILD_FLAGS += $(FLUIDSYNTH_FLAGS)
 NATIVE_LINK_FLAGS  += $(FLUIDSYNTH_LIBS)
 
+NATIVE_BUILD_FLAGS += $(MAGIC_FLAGS)
 NATIVE_LINK_FLAGS  += $(MAGIC_LIBS)
 
 LIBS_native        += $(MODULEDIR)/audio_decoder.a
@@ -179,7 +149,6 @@ OBJS_native = \
 	$(OBJDIR)/CarlaPluginVST3.cpp.o \
 	$(OBJDIR)/CarlaPluginAU.cpp.o \
 	$(OBJDIR)/CarlaPluginJSFX.cpp.o \
-	$(OBJDIR)/CarlaPluginJuce.cpp.o \
 	$(OBJDIR)/CarlaPluginFluidSynth.cpp.o \
 	$(OBJDIR)/CarlaPluginSFZero.cpp.o \
 	$(OBJDIR)/CarlaStandalone.cpp.o
@@ -307,12 +276,10 @@ $(OBJDIR)/CarlaEng%.cpp.o: $(CWD)/backend/engine/CarlaEng%.cpp
 
 $(OBJDIR)/CarlaPluginJSFX.cpp.o: BUILD_CXX_FLAGS += $(YSFX_FLAGS)
 
-$(OBJDIR)/CarlaPluginJuce.cpp.o: BUILD_CXX_FLAGS += -std=gnu++14
-
 ifeq ($(MACOS),true)
-$(OBJDIR)/CarlaPluginCLAP.cpp.o: BUILD_CXX_FLAGS += -ObjC++
+$(OBJDIR)/CarlaPluginAU.cpp.o: BUILD_CXX_FLAGS += -ObjC++
 
-$(OBJDIR)/CarlaPluginJuce.cpp.o: BUILD_CXX_FLAGS += -ObjC++
+$(OBJDIR)/CarlaPluginCLAP.cpp.o: BUILD_CXX_FLAGS += -ObjC++
 
 $(OBJDIR)/CarlaPluginVST2.cpp.o: BUILD_CXX_FLAGS += -ObjC++
 

source/carla.kdev4

@@ -3,7 +3,7 @@ Manager=KDevGenericManager
 Name=Carla
 
 [Filters]
-Excludes=*/.*,*/*~,*/*.pyc,*/ui_*.py,*/__pycache__/,external,juce_*
+Excludes=*/.*,*/*~,*/*.pyc,*/ui_*.py,*/__pycache__/,external
 
 [Project]
 VersionControlSupport=kdevgit

source/discovery/Makefile

@@ -8,13 +8,6 @@ CWD=..
 MODULENAME=carla-discovery
 include $(CWD)/Makefile.mk
 
-# Workaround GCC bug
-ifeq ($(TESTBUILD),true)
-ifeq ($(USING_JUCE),true)
-BUILD_CXX_FLAGS += -Wno-undef
-endif
-endif
-
 # ---------------------------------------------------------------------------------------------------------------------
 
 BINDIR    := $(CWD)/../bin
@@ -46,10 +39,6 @@ BUILD_CXX_FLAGS += -pthread
 LINK_FLAGS += -pthread
 endif
 
-ifeq ($(USING_JUCE),true)
-BUILD_CXX_FLAGS += -std=gnu++14
-endif
-
 32BIT_FLAGS += -DBUILD_BRIDGE -DBUILD_BRIDGE_ALTERNATIVE_ARCH
 64BIT_FLAGS += -DBUILD_BRIDGE -DBUILD_BRIDGE_ALTERNATIVE_ARCH
 ARM32_FLAGS += -DBUILD_BRIDGE -DBUILD_BRIDGE_ALTERNATIVE_ARCH
@@ -97,27 +86,6 @@ LIBS_win32   += $(MODULEDIR)/jackbridge.win32e.a
 LIBS_win64   += $(MODULEDIR)/jackbridge.win64e.a
 endif
 
-ifeq ($(USING_JUCE),true)
-LIBS_native  += $(MODULEDIR)/carla_juce.a
-LIBS_native  += $(MODULEDIR)/juce_audio_basics.a
-LIBS_native  += $(MODULEDIR)/juce_audio_processors.a
-LIBS_native  += $(MODULEDIR)/juce_core.a
-LIBS_native  += $(MODULEDIR)/juce_data_structures.a
-LIBS_native  += $(MODULEDIR)/juce_events.a
-LIBS_native  += $(MODULEDIR)/juce_graphics.a
-LIBS_native  += $(MODULEDIR)/juce_gui_basics.a
-LIBS_native  += $(MODULEDIR)/juce_gui_extra.a
-
-LINK_FLAGS   += $(JUCE_AUDIO_BASICS_LIBS)
-LINK_FLAGS   += $(JUCE_AUDIO_PROCESSORS_LIBS)
-LINK_FLAGS   += $(JUCE_CORE_LIBS)
-LINK_FLAGS   += $(JUCE_DATA_STRUCTURES_LIBS)
-LINK_FLAGS   += $(JUCE_EVENTS_LIBS)
-LINK_FLAGS   += $(JUCE_GRAPHICS_LIBS)
-LINK_FLAGS   += $(JUCE_GUI_BASICS_LIBS)
-LINK_FLAGS   += $(JUCE_GUI_EXTRA_LIBS)
-endif # USING_JUCE
-
 # ---------------------------------------------------------------------------------------------------------------------
 
 OBJS_native  = $(OBJDIR)/$(MODULENAME).cpp.o

source/frontend/CarlaFrontend.h

@@ -1,19 +1,5 @@
-/*
- * Carla Plugin Host
- * Copyright (C) 2011-2023 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
+// SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 #pragma once
 
@@ -61,13 +47,14 @@ typedef struct {
     uint parameterOuts;
 } PluginListDialogResults;
 
+#ifdef __cplusplus
+class PluginListDialog;
+#else
 struct PluginListDialog;
+#endif
 
 // --------------------------------------------------------------------------------------------------------------------
 
-CARLA_PLUGIN_EXPORT void
-carla_frontend_createAndExecAboutJuceDialog(void* parent);
-
 CARLA_PLUGIN_EXPORT const JackAppDialogResults*
 carla_frontend_createAndExecJackAppDialog(void* parent, const char* projectFilename);
 

source/frontend/Makefile

@@ -21,7 +21,6 @@ endif
 # ---------------------------------------------------------------------------------------------------------------------
 
 BUILD_CXX_FLAGS += -I. -Iutils
-
 BUILD_CXX_FLAGS += -I../backend
 BUILD_CXX_FLAGS += -I../includes
 BUILD_CXX_FLAGS += -I../modules
@@ -30,34 +29,22 @@ BUILD_CXX_FLAGS += -I../utils
 # ---------------------------------------------------------------------------------------------------------------------
 
 ifeq ($(WINDOWS),true)
-QT5_LINK_FLAGS = $(shell echo $(LINK_FLAGS) | awk 'sub(" -static","")')
+NON_STATIC_LINK_FLAGS = $(shell echo $(LINK_FLAGS) | awk 'sub(" -static","")') -static-libgcc
 else
-QT5_LINK_FLAGS = $(LINK_FLAGS)
-endif
-
-ifeq ($(HAVE_QT5),true)
-QT5_PREFIX       = $(shell $(PKG_CONFIG) --variable=prefix Qt5Core)
-BUILD_CXX_FLAGS += $(shell $(PKG_CONFIG) --cflags Qt5Core Qt5Gui Qt5Widgets)
-QT5_LINK_FLAGS  += -Wl,-rpath,$(QT5_PREFIX)/lib $(shell $(PKG_CONFIG) --libs Qt5Core Qt5Gui Qt5Widgets)
-else ifeq ($(HAVE_QT5PKG),true)
-QT5_PREFIX       = $(shell $(PKG_CONFIG) --variable=prefix Qt5OpenGLExtensions)
-BUILD_CXX_FLAGS += -DQT_CORE_LIB -DQT_GUI_LIB -DQT_WIDGETS_LIB -I $(QT5_PREFIX)/include/qt5
-QT5_LINK_FLAGS  += -Wl,-rpath,$(QT5_PREFIX)/lib -F $(QT5_PREFIX)/lib -framework QtCore -framework QtGui -framework QtWidgets
-else
-$(error Trying to build frontend without Qt5, cannot continue)
+NON_STATIC_LINK_FLAGS = $(LINK_FLAGS)
 endif
 
 ifeq ($(WINDOWS),true)
-QT5_LINK_FLAGS += -L$(BINDIR) $(BINDIR)/libcarla_utils.dll
+QT_LINK_FLAGS += -L$(BINDIR) $(BINDIR)/libcarla_utils.dll
 else
-QT5_LINK_FLAGS += -L$(BINDIR) -lcarla_utils
+QT_LINK_FLAGS += -L$(BINDIR) -lcarla_utils
 endif
 
 ifeq ($(MACOS),true)
-QT5_LINK_FLAGS += -install_name @rpath/libcarla_frontend.dylib
+QT_LINK_FLAGS += -install_name @rpath/libcarla_frontend.dylib
 # FIXME this does not work: -Wl,-rpath,@loader_path
 else
-QT5_LINK_FLAGS += -Wl,-rpath,'$${ORIGIN}'
+QT_LINK_FLAGS += -Wl,-rpath,'$${ORIGIN}'
 endif
 
 # ---------------------------------------------------------------------------------------------------------------------
@@ -71,7 +58,6 @@ QMs = $(patsubst %,translations/carla_%.qm,$(I18N_LANGUAGES))
 
 CPP_FILES = \
 	carla_frontend.cpp \
-	dialogs/aboutjucedialog.cpp \
 	dialogs/jackappdialog.cpp \
 	pluginlist/pluginlistdialog.cpp
 
@@ -81,6 +67,7 @@ OBJS = $(CPP_FILES:%=$(OBJDIR)/%.o)
 # Resources
 
 RES = \
+	qt_config.py \
 	resources_rc.py \
 	$(BINDIR)/resources/modgui \
 	$(BINDIR)/resources/patchcanvas \
@@ -163,24 +150,37 @@ all: $(BINDIR)/libcarla_frontend$(LIB_EXT) $(QMs) $(RES) $(UIs)
 
 # ---------------------------------------------------------------------------------------------------------------------
 
-dialogs/ui_%.h: dialogs/%.ui
-	$(UIC_QT5) $< -o $@
+dialogs/ui_%.h: dialogs/%.ui qt_config.py
+	$(UIC) $< -o $@
 
-pluginlist/ui_%.h: pluginlist/%.ui
-	$(UIC_QT5) $< -o $@
+pluginlist/ui_%.h: pluginlist/%.ui qt_config.py
+	$(UIC) $< -o $@
 
-%_ui.py: %.ui
+%_ui.py: %.ui qt_config.py
 	$(PYUIC) $< -o $@
 
-ui_%.py: $(RESDIR)/ui/%.ui
+ui_%.py: $(RESDIR)/ui/%.ui qt_config.py
 	$(PYUIC) $< -o $@
 
+qt_config.py:
+ifneq (,$(FRONTEND_TYPE))
+	echo "#!/usr/bin/env python3" > $@
+	echo "qt = $(FRONTEND_TYPE)" >> $@
+else
+	@echo Error: Trying to build frontend without Qt and/or PyQt, cannot continue
+	@false
+endif
+
 resources_rc.py: $(RESDIR)/resources.qrc $(RESDIR)/*/*.png $(RESDIR)/*/*.svg $(RESDIR)/*/*.svgz
+ifeq ($(FRONTEND_TYPE),6)
+	$(PYRCC) $< | sed -e 's/PySide6/PyQt6/' > $@
+else
 	$(PYRCC) $< -o $@
+endif
 
 test: $(OBJS) $(LIBS) test.cpp
 	@echo "Linking test"
-	$(SILENT)$(CXX) $(OBJS) test.cpp $(BUILD_CXX_FLAGS) -Wl,-rpath,$(abspath $(BINDIR)) $(QT5_LINK_FLAGS) -o $@
+	$(SILENT)$(CXX) $(OBJS) test.cpp $(BUILD_CXX_FLAGS) $(NON_STATIC_LINK_FLAGS) -Wl,-rpath,$(abspath $(BINDIR)) $(QT_LINK_FLAGS) -o $@
 
 $(BINDIR)/resources/%: %
 	-@mkdir -p $(BINDIR)/resources
@@ -199,7 +199,7 @@ $(BINDIR)/resources/zynaddsubfx-ui: ../native-plugins/resources/zynaddsubfx-ui
 $(BINDIR)/libcarla_frontend$(LIB_EXT): $(OBJS) $(LIBS)
 	-@mkdir -p $(BINDIR)
 	@echo "Linking libcarla_frontend$(LIB_EXT)"
-	$(SILENT)$(CXX) $(OBJS) $(BUILD_CXX_FLAGS) $(QT5_LINK_FLAGS) $(SHARED) -o $@
+	$(SILENT)$(CXX) $(OBJS) $(BUILD_CXX_FLAGS) $(QT_CXX_FLAGS) $(NON_STATIC_LINK_FLAGS) $(QT_LINK_FLAGS) $(SHARED) -o $@
 ifeq ($(MACOS),true)
 # FIXME this does not work: -Wl,-rpath,@loader_path
 	$(SILENT)install_name_tool -change ../../../bin/libcarla_utils.dylib @loader_path/libcarla_utils.dylib $@
@@ -208,7 +208,7 @@ endif
 $(OBJDIR)/%.cpp.o: %.cpp $(UIs)
 	-@mkdir -p $(shell dirname $@)
 	@echo "Compiling $<"
-	$(SILENT)$(CXX) $< $(BUILD_CXX_FLAGS) -c -o $@
+	$(SILENT)$(CXX) $< $(BUILD_CXX_FLAGS) $(QT_CXX_FLAGS) -c -o $@
 
 -include $(OBJS:%.o=%.d)
 
@@ -217,7 +217,6 @@ $(OBJDIR)/%.cpp.o: %.cpp $(UIs)
 clean:
 	rm -rf $(BINDIR)/libcarla_frontend$(LIB_EXT) $(UIs) $(RES) $(QMs) __pycache__ *.pyc
 	# old files
-	rm -f ui_carla_about_juce.py
 	rm -f ui_carla_add_jack.py
 	rm -f ui_carla_database.py
 	rm -f ui_carla_refresh.py

source/frontend/bigmeter-ui

@@ -1,25 +1,16 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla Native Plugins
-# Copyright (C) 2012-2019 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
-from PyQt5.QtCore import Qt
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import Qt
+elif qt_config == 6:
+    from PyQt6.QtCore import Qt
 
 # -----------------------------------------------------------------------
 # Imports (Custom)

source/frontend/carla

@@ -1,20 +1,6 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla plugin host
-# Copyright (C) 2011-2022 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ----------------------------------------------------------------------------------------------------------------------
 # Imports (Custom Stuff)
@@ -38,6 +24,8 @@ from carla_shared import (
 # Main
 
 if __name__ == '__main__':
+    import resources_rc
+
     # ------------------------------------------------------------------------------------------------------------------
     # Read CLI args
 

source/frontend/carla-control

@@ -1,20 +1,6 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla plugin host
-# Copyright (C) 2011-2021 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ----------------------------------------------------------------------------------------------------------------------
 # Imports (Custom Stuff)
@@ -36,6 +22,8 @@ import sys
 # Main
 
 if __name__ == '__main__':
+    import resources_rc
+
     # ------------------------------------------------------------------------------------------------------------------
     # Read CLI args
 

source/frontend/carla-jack-multi

@@ -1,20 +1,6 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla plugin host
-# Copyright (C) 2011-2017 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ----------------------------------------------------------------------------------------------------------------------
 # Imports (Custom Stuff)
@@ -25,6 +11,8 @@ from carla_host import *
 # Main
 
 if __name__ == '__main__':
+    import resources_rc
+
     # ------------------------------------------------------------------------------------------------------------------
     # Read CLI args
 

source/frontend/carla-jack-single

@@ -1,20 +1,6 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla plugin host
-# Copyright (C) 2011-2017 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ----------------------------------------------------------------------------------------------------------------------
 # Imports (Custom Stuff)
@@ -25,6 +11,8 @@ from carla_host import *
 # Main
 
 if __name__ == '__main__':
+    import resources_rc
+
     # ------------------------------------------------------------------------------------------------------------------
     # Read CLI args
 

source/frontend/carla-patchbay

@@ -1,20 +1,6 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla plugin host
-# Copyright (C) 2011-2017 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ----------------------------------------------------------------------------------------------------------------------
 # Imports (Custom Stuff)
@@ -25,6 +11,8 @@ from carla_host import *
 # Main
 
 if __name__ == '__main__':
+    import resources_rc
+
     # ------------------------------------------------------------------------------------------------------------------
     # Read CLI args
 

source/frontend/carla-plugin

@@ -1,26 +1,18 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla plugin host (plugin UI)
-# Copyright (C) 2013-2020 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the GPL.txt file
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
-from PyQt5.QtGui import QKeySequence, QMouseEvent
-from PyQt5.QtWidgets import QFrame, QSplitter
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtGui import QKeySequence, QMouseEvent
+    from PyQt5.QtWidgets import QFrame, QSplitter
+elif qt_config == 6:
+    from PyQt6.QtGui import QKeySequence, QMouseEvent
+    from PyQt6.QtWidgets import QFrame, QSplitter
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom Stuff)
@@ -577,6 +569,8 @@ class CarlaEmbedW(QEmbedWidget):
 # Main
 
 if __name__ == '__main__':
+    import resources_rc
+
     # -------------------------------------------------------------
     # Get details regarding target usage
 

source/frontend/carla-rack

@@ -1,20 +1,6 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla plugin host
-# Copyright (C) 2011-2015 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ----------------------------------------------------------------------------------------------------------------------
 # Imports (Custom Stuff)
@@ -25,6 +11,8 @@ from carla_host import *
 # Main
 
 if __name__ == '__main__':
+    import resources_rc
+
     # ------------------------------------------------------------------------------------------------------------------
     # Read CLI args
 

source/frontend/carla_app.py

@@ -1,20 +1,6 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla application
-# Copyright (C) 2013-2020 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
@@ -28,11 +14,18 @@ import sys
 from ctypes import CDLL, RTLD_GLOBAL
 
 # ------------------------------------------------------------------------------------------------------------
-# Imports (PyQt5)
+# Imports (PyQt)
 
-from PyQt5.QtCore import QT_VERSION, Qt, QCoreApplication, QLibraryInfo, QLocale, QTranslator
-from PyQt5.QtGui import QColor, QIcon, QPalette
-from PyQt5.QtWidgets import QApplication
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import QT_VERSION, Qt, QCoreApplication, QLibraryInfo, QLocale, QTranslator
+    from PyQt5.QtGui import QColor, QIcon, QPalette
+    from PyQt5.QtWidgets import QApplication
+elif qt_config == 6:
+    from PyQt6.QtCore import QT_VERSION, Qt, QCoreApplication, QLibraryInfo, QLocale, QTranslator
+    from PyQt6.QtGui import QColor, QIcon, QPalette
+    from PyQt6.QtWidgets import QApplication
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)
@@ -137,7 +130,7 @@ class CarlaApplication():
             self.createPaletteBlue()
 
     def createApp(self, appName):
-        if LINUX:
+        if qt_config == 5 and LINUX:
             # AA_X11InitThreads is not available on old PyQt versions
             try:
                 attr = Qt.AA_X11InitThreads
@@ -145,13 +138,13 @@ class CarlaApplication():
                 attr = 10
             QApplication.setAttribute(attr)
 
+            if QT_VERSION >= 0x50600:
+                QApplication.setAttribute(Qt.AA_EnableHighDpiScaling)
+                QApplication.setAttribute(Qt.AA_UseHighDpiPixmaps)
+
         if MACOS:
             QApplication.setAttribute(Qt.AA_DontShowIconsInMenus)
 
-        if QT_VERSION >= 0x50600:
-            QApplication.setAttribute(Qt.AA_EnableHighDpiScaling)
-            QApplication.setAttribute(Qt.AA_UseHighDpiPixmaps)
-
         args = sys.argv[:]
 
         if WINDOWS:

source/frontend/carla_backend_qt.py

@@ -1,25 +1,16 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla Backend code (Qt stuff)
-# Copyright (C) 2011-2020 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
-from PyQt5.QtCore import pyqtSignal, QObject
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import pyqtSignal, QObject
+elif qt_config == 6:
+    from PyQt6.QtCore import pyqtSignal, QObject
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)

source/frontend/carla_frontend.py

@@ -1,20 +1,6 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla Backend utils
-# Copyright (C) 2011-2022 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
@@ -28,7 +14,11 @@ from ctypes import (
     POINTER
 )
 
-from sip import unwrapinstance
+try:
+    from sip import unwrapinstance
+except ImportError:
+    def unwrapinstance(_):
+        return None
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)
@@ -91,9 +81,6 @@ class CarlaFrontendLib():
     def __init__(self, filename):
         self.lib = cdll.LoadLibrary(filename)
 
-        self.lib.carla_frontend_createAndExecAboutJuceDialog.argtypes = (c_void_p,)
-        self.lib.carla_frontend_createAndExecAboutJuceDialog.restype = None
-
         self.lib.carla_frontend_createAndExecJackAppDialog.argtypes = (c_void_p, c_char_p)
         self.lib.carla_frontend_createAndExecJackAppDialog.restype = POINTER(JackApplicationDialogResults)
 
@@ -111,9 +98,6 @@ class CarlaFrontendLib():
 
     # --------------------------------------------------------------------------------------------------------
 
-    def createAndExecAboutJuceDialog(self, parent):
-        self.lib.carla_frontend_createAndExecAboutJuceDialog(unwrapinstance(parent))
-
     def createAndExecJackAppDialog(self, parent, projectFilename):
         return structToDictOrNull(self.lib.carla_frontend_createAndExecJackAppDialog(unwrapinstance(parent),
                                                                                      projectFilename.encode("utf-8")))

source/frontend/carla_host.py

@@ -1,20 +1,6 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla host code
-# Copyright (C) 2011-2022 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
@@ -29,23 +15,78 @@ from ctypes import (
 )
 
 # ------------------------------------------------------------------------------------------------------------
-# Imports (PyQt5)
+# Imports (PyQt)
 
-# This fails in some configurations, assume >= 5.6.0 in that case
-try:
-    from PyQt5.Qt import PYQT_VERSION
-except ImportError:
-    PYQT_VERSION = 0x50600
+from qt_compat import qt_config
 
-from PyQt5.QtCore import (
-    QT_VERSION, qCritical, QBuffer, QEventLoop, QFileInfo, QIODevice, QMimeData, QModelIndex, QPointF, QTimer, QEvent
-)
-from PyQt5.QtGui import (
-    QImage, QImageWriter, QPainter, QPalette, QBrush
-)
-from PyQt5.QtWidgets import (
-    QAction, QApplication, QInputDialog, QFileSystemModel, QListWidgetItem, QGraphicsView, QMainWindow
-)
+if qt_config == 5:
+    # This fails in some configurations, assume >= 5.6.0 in that case
+    try:
+        from PyQt5.Qt import PYQT_VERSION
+    except ImportError:
+        PYQT_VERSION = 0x50600
+
+    from PyQt5.QtCore import (
+        QT_VERSION,
+        qCritical,
+        QBuffer,
+        QEvent,
+        QEventLoop,
+        QFileInfo,
+        QIODevice,
+        QMimeData,
+        QModelIndex,
+        QPointF,
+        QTimer,
+    )
+    from PyQt5.QtGui import (
+        QBrush,
+        QImage,
+        QImageWriter,
+        QPainter,
+        QPalette,
+    )
+    from PyQt5.QtWidgets import (
+        QAction,
+        QApplication,
+        QInputDialog,
+        QFileSystemModel,
+        QListWidgetItem,
+        QGraphicsView,
+        QMainWindow,
+    )
+
+elif qt_config == 6:
+    from PyQt6.QtCore import (
+        PYQT_VERSION,
+        QT_VERSION,
+        qCritical,
+        QBuffer,
+        QEvent,
+        QEventLoop,
+        QFileInfo,
+        QIODevice,
+        QMimeData,
+        QModelIndex,
+        QPointF,
+        QTimer,
+    )
+    from PyQt6.QtGui import (
+        QAction,
+        QBrush,
+        QFileSystemModel,
+        QImage,
+        QImageWriter,
+        QPainter,
+        QPalette,
+    )
+    from PyQt6.QtWidgets import (
+        QApplication,
+        QInputDialog,
+        QListWidgetItem,
+        QGraphicsView,
+        QMainWindow,
+    )
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)
@@ -434,7 +475,6 @@ class HostWindow(QMainWindow):
             self.ui.act_file_quit.setMenuRole(QAction.QuitRole)
             self.ui.act_settings_configure.setMenuRole(QAction.PreferencesRole)
             self.ui.act_help_about.setMenuRole(QAction.AboutRole)
-            self.ui.act_help_about_juce.setMenuRole(QAction.ApplicationSpecificRole)
             self.ui.act_help_about_qt.setMenuRole(QAction.AboutQtRole)
             self.ui.menu_Settings.setTitle("Panels")
 
@@ -526,7 +566,6 @@ class HostWindow(QMainWindow):
         self.ui.act_settings_configure.triggered.connect(self.slot_configureCarla)
 
         self.ui.act_help_about.triggered.connect(self.slot_aboutCarla)
-        self.ui.act_help_about_juce.triggered.connect(self.slot_aboutJuce)
         self.ui.act_help_about_qt.triggered.connect(self.slot_aboutQt)
 
         self.ui.cb_disk.currentIndexChanged.connect(self.slot_diskFolderChanged)
@@ -630,10 +669,6 @@ class HostWindow(QMainWindow):
             self.ui.cb_transport_link.setEnabled(False)
             self.ui.cb_transport_link.setVisible(False)
 
-        if "juce" not in features:
-            self.ui.act_help_about_juce.setEnabled(False)
-            self.ui.act_help_about_juce.setVisible(False)
-
         # Plugin needs to have timers always running so it receives messages
         if self.host.isPlugin or self.host.isRemote:
             self.startTimers()
@@ -1674,7 +1709,7 @@ class HostWindow(QMainWindow):
             self.ui.graphicsView.setRenderHint(QPainter.SmoothPixmapTransform, fullAA)
             self.ui.graphicsView.setRenderHint(QPainter.TextAntialiasing, fullAA)
 
-            if self.fSavedSettings[CARLA_KEY_CANVAS_USE_OPENGL] and hasGL:
+            if self.fSavedSettings[CARLA_KEY_CANVAS_USE_OPENGL] and hasGL and QPainter.HighQualityAntialiasing is not None:
                 self.ui.graphicsView.setRenderHint(QPainter.HighQualityAntialiasing, self.fSavedSettings[CARLA_KEY_CANVAS_HQ_ANTIALIASING])
 
         else:
@@ -2255,10 +2290,6 @@ class HostWindow(QMainWindow):
     def slot_aboutCarla(self):
         CarlaAboutW(self.fParentOrSelf, self.host).exec_()
 
-    @pyqtSlot()
-    def slot_aboutJuce(self):
-        gCarla.felib.createAndExecAboutJuceDialog(self.fParentOrSelf)
-
     @pyqtSlot()
     def slot_aboutQt(self):
         QApplication.instance().aboutQt()
@@ -2884,8 +2915,10 @@ class HostWindow(QMainWindow):
             if MACOS:
                 nsViewPtr = int(self.winId())
                 winIdStr  = "%x" % gCarla.utils.cocoa_get_window(nsViewPtr)
-            else:
+            elif WINDOWS or QApplication.platformName() == "xcb":
                 winIdStr = "%x" % int(self.winId())
+            else:
+                winIdStr = "0"
             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)
 
     def hideEvent(self, event):

source/frontend/carla_host_control.py

@@ -1,25 +1,16 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla Backend code (OSC stuff)
-# Copyright (C) 2011-2019 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ----------------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
-from PyQt5.QtCore import QEventLoop
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import QEventLoop
+elif qt_config == 6:
+    from PyQt6.QtCore import QEventLoop
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)

source/frontend/carla_settings.py

@@ -1,26 +1,18 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla settings code
-# Copyright (C) 2011-2022 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ---------------------------------------------------------------------------------------------------------------------
-# Imports (PyQt5)
+# Imports (PyQt)
 
-from PyQt5.QtCore import pyqtSlot, QT_VERSION, Qt
-from PyQt5.QtWidgets import QDialog, QDialogButtonBox, QFileDialog
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import pyqtSlot, QT_VERSION, Qt
+    from PyQt5.QtWidgets import QDialog, QDialogButtonBox, QFileDialog
+elif qt_config == 6:
+    from PyQt6.QtCore import pyqtSlot, QT_VERSION, Qt
+    from PyQt6.QtWidgets import QDialog, QDialogButtonBox, QFileDialog
 
 # ---------------------------------------------------------------------------------------------------------------------
 # Imports (Custom)
@@ -601,6 +593,10 @@ class CarlaSettingsW(QDialog):
         # FIXME broken in some Qt5 versions
         self.ui.cb_canvas_eyecandy.setEnabled(QT_VERSION >= 0x50c00)
 
+        # removed in Qt6
+        if QT_VERSION >= 0x60000:
+            self.ui.cb_canvas_render_hq_aa.hide()
+
         self.setWindowFlags(self.windowFlags() & ~Qt.WindowContextHelpButtonHint)
 
         if MACOS:
@@ -749,7 +745,7 @@ class CarlaSettingsW(QDialog):
                                                                CARLA_DEFAULT_CANVAS_USE_OPENGL, bool))
 
         self.ui.cb_canvas_render_aa.setCheckState(
-            settings.value(CARLA_KEY_CANVAS_ANTIALIASING, CARLA_DEFAULT_CANVAS_ANTIALIASING, int))
+            Qt.CheckState(settings.value(CARLA_KEY_CANVAS_ANTIALIASING, CARLA_DEFAULT_CANVAS_ANTIALIASING, int)))
 
         self.ui.cb_canvas_render_hq_aa.setChecked(self.ui.cb_canvas_render_hq_aa.isEnabled() and
                                                   settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,

source/frontend/carla_shared.py

@@ -1,20 +1,6 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Common Carla code
-# Copyright (C) 2011-2022 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
@@ -36,17 +22,25 @@ except:
     haveSIGUSR1 = False
 
 # ------------------------------------------------------------------------------------------------------------
-# Imports (PyQt5)
+# Imports (PyQt)
 
-# import changed in PyQt 5.15.8, so try both
-try:
-    from PyQt5.Qt import PYQT_VERSION_STR
-except ImportError:
-    from PyQt5.QtCore import PYQT_VERSION_STR
+from qt_compat import qt_config
+
+if qt_config == 5:
+    # import changed in PyQt 5.15.8, so try both
+    try:
+        from PyQt5.Qt import PYQT_VERSION_STR
+    except ImportError:
+        from PyQt5.QtCore import PYQT_VERSION_STR
 
-from PyQt5.QtCore import qFatal, QT_VERSION, QT_VERSION_STR, qWarning, QDir, QSettings
-from PyQt5.QtGui import QIcon
-from PyQt5.QtWidgets import QFileDialog, QMessageBox
+    from PyQt5.QtCore import qFatal, QT_VERSION, QT_VERSION_STR, qWarning, QDir, QSettings
+    from PyQt5.QtGui import QIcon
+    from PyQt5.QtWidgets import QFileDialog, QMessageBox
+
+elif qt_config == 6:
+    from PyQt6.QtCore import qFatal, PYQT_VERSION_STR, QT_VERSION, QT_VERSION_STR, qWarning, QDir, QSettings
+    from PyQt6.QtGui import QIcon
+    from PyQt6.QtWidgets import QFileDialog, QMessageBox
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)
@@ -523,15 +517,21 @@ if not WINDOWS:
     if not winePrefix:
         winePrefix = HOME + "/.wine"
 
-    if os.path.exists(winePrefix):
-        DEFAULT_VST2_PATH += ":" + winePrefix + "/drive_c/Program Files/VstPlugins"
-        DEFAULT_VST3_PATH += ":" + winePrefix + "/drive_c/Program Files/Common Files/VST3"
-        DEFAULT_CLAP_PATH += ":" + winePrefix + "/drive_c/Program Files/Common Files/CLAP"
+    DEFAULT_VST2_PATH += ":" + winePrefix + "/drive_c/Program Files/VstPlugins"
+    DEFAULT_VST2_PATH += ":" + winePrefix + "/drive_c/Program Files/VSTPlugins"
+    DEFAULT_VST2_PATH += ":" + winePrefix + "/drive_c/Program Files/Steinberg/VstPlugins"
+    DEFAULT_VST2_PATH += ":" + winePrefix + "/drive_c/Program Files/Steinberg/VSTPlugins"
+    DEFAULT_VST2_PATH += ":" + winePrefix + "/drive_c/Program Files/Common Files/VST2"
+    DEFAULT_VST3_PATH += ":" + winePrefix + "/drive_c/Program Files/Common Files/VST3"
+    DEFAULT_CLAP_PATH += ":" + winePrefix + "/drive_c/Program Files/Common Files/CLAP"
 
-        if kIs64bit and os.path.exists(winePrefix + "/drive_c/Program Files (x86)"):
-            DEFAULT_VST2_PATH += ":" + winePrefix + "/drive_c/Program Files (x86)/VstPlugins"
-            DEFAULT_VST3_PATH += ":" + winePrefix + "/drive_c/Program Files (x86)/Common Files/VST3"
-            DEFAULT_CLAP_PATH += ":" + winePrefix + "/drive_c/Program Files (x86)/Common Files/CLAP"
+    if kIs64bit:
+        DEFAULT_VST2_PATH += ":" + winePrefix + "/drive_c/Program Files (x86)/VstPlugins"
+        DEFAULT_VST2_PATH += ":" + winePrefix + "/drive_c/Program Files (x86)/VSTPlugins"
+        DEFAULT_VST2_PATH += ":" + winePrefix + "/drive_c/Program Files (x86)/Steinberg/VstPlugins"
+        DEFAULT_VST2_PATH += ":" + winePrefix + "/drive_c/Program Files (x86)/Steinberg/VSTPlugins"
+        DEFAULT_VST3_PATH += ":" + winePrefix + "/drive_c/Program Files (x86)/Common Files/VST3"
+        DEFAULT_CLAP_PATH += ":" + winePrefix + "/drive_c/Program Files (x86)/Common Files/CLAP"
 
     del winePrefix
 

source/frontend/carla_skin.py

@@ -1,27 +1,20 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla plugin/slot skin code
-# Copyright (C) 2013-2020 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
-from PyQt5.QtCore import Qt, QRectF, QLineF, QTimer
-from PyQt5.QtGui import QColor, QFont, QFontDatabase, QPainter, QPainterPath, QPen
-from PyQt5.QtWidgets import QColorDialog, QFrame, QLineEdit, QPushButton
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import Qt, QRectF, QLineF, QTimer
+    from PyQt5.QtGui import QColor, QFont, QFontDatabase, QPainter, QPainterPath, QPen
+    from PyQt5.QtWidgets import QColorDialog, QFrame, QLineEdit, QPushButton
+elif qt_config == 6:
+    from PyQt6.QtCore import Qt, QRectF, QLineF, QTimer
+    from PyQt6.QtGui import QColor, QFont, QFontDatabase, QPainter, QPainterPath, QPen
+    from PyQt6.QtWidgets import QColorDialog, QFrame, QLineEdit, QPushButton
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)

source/frontend/carla_utils.py

@@ -262,9 +262,6 @@ class CarlaUtils():
         self.lib.carla_get_complete_license_text.argtypes = None
         self.lib.carla_get_complete_license_text.restype = c_char_p
 
-        self.lib.carla_get_juce_version.argtypes = None
-        self.lib.carla_get_juce_version.restype = c_char_p
-
         self.lib.carla_get_supported_file_extensions.argtypes = None
         self.lib.carla_get_supported_file_extensions.restype = POINTER(c_char_p)
 
@@ -328,15 +325,6 @@ class CarlaUtils():
         self.lib.carla_pipe_client_destroy.argtypes = [CarlaPipeClientHandle]
         self.lib.carla_pipe_client_destroy.restype = None
 
-        self.lib.carla_juce_init.argtypes = None
-        self.lib.carla_juce_init.restype = None
-
-        self.lib.carla_juce_idle.argtypes = None
-        self.lib.carla_juce_idle.restype = None
-
-        self.lib.carla_juce_cleanup.argtypes = None
-        self.lib.carla_juce_cleanup.restype = None
-
         self.lib.carla_get_desktop_scale_factor.argtypes = None
         self.lib.carla_get_desktop_scale_factor.restype = c_double
 
@@ -399,10 +387,6 @@ class CarlaUtils():
     def get_complete_license_text(self):
         return charPtrToString(self.lib.carla_get_complete_license_text())
 
-    # Get the juce version used in the current Carla build.
-    def get_juce_version(self):
-        return charPtrToString(self.lib.carla_get_juce_version())
-
     # Get the list of supported file extensions in carla_load_file().
     def get_supported_file_extensions(self):
         return charPtrPtrToStringList(self.lib.carla_get_supported_file_extensions())
@@ -484,15 +468,6 @@ class CarlaUtils():
     def pipe_client_destroy(self, handle):
         self.lib.carla_pipe_client_destroy(handle)
 
-    def juce_init(self):
-        self.lib.carla_juce_init()
-
-    def juce_idle(self):
-        self.lib.carla_juce_idle()
-
-    def juce_cleanup(self):
-        self.lib.carla_juce_cleanup()
-
     def get_desktop_scale_factor(self):
         return float(self.lib.carla_get_desktop_scale_factor())
 

source/frontend/carla_widgets.py

@@ -1,20 +1,6 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla widgets code
-# Copyright (C) 2011-2022 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
@@ -22,11 +8,36 @@
 from abc import abstractmethod
 
 # ------------------------------------------------------------------------------------------------------------
-# Imports (PyQt5)
-
-from PyQt5.QtCore import pyqtSignal, pyqtSlot, Qt, QByteArray
-from PyQt5.QtGui import QCursor, QIcon, QPalette, QPixmap
-from PyQt5.QtWidgets import QDialog, QFileDialog, QInputDialog, QMenu, QMessageBox, QScrollArea, QVBoxLayout, QWidget
+# Imports (PyQt)
+
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import pyqtSignal, pyqtSlot, Qt, QByteArray
+    from PyQt5.QtGui import QCursor, QIcon, QPalette, QPixmap
+    from PyQt5.QtWidgets import (
+        QDialog,
+        QFileDialog,
+        QInputDialog,
+        QMenu,
+        QMessageBox,
+        QScrollArea,
+        QVBoxLayout,
+        QWidget,
+    )
+elif qt_config == 6:
+    from PyQt6.QtCore import pyqtSignal, pyqtSlot, Qt, QByteArray
+    from PyQt6.QtGui import QCursor, QIcon, QPalette, QPixmap
+    from PyQt6.QtWidgets import (
+        QDialog,
+        QFileDialog,
+        QInputDialog,
+        QMenu,
+        QMessageBox,
+        QScrollArea,
+        QVBoxLayout,
+        QWidget,
+    )
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)
@@ -202,18 +213,11 @@ class CarlaAboutW(QDialog):
                                       "<li>http://ll-plugins.nongnu.org/lv2/ext/miditype</li>"
                                       "</ul>"))
 
-        usingJuce = "juce" in gCarla.utils.get_supported_features()
-
-        if usingJuce and (MACOS or WINDOWS):
-            self.ui.l_vst2.setText(self.tr("Using JUCE host"))
-        else:
-            self.ui.l_vst2.setText(self.tr("About 85&#37; complete (missing vst bank/presets and some minor stuff)"))
-
-        if usingJuce:
-            self.ui.l_vst3.setText(self.tr("Using JUCE host"))
+        self.ui.l_vst2.setText(self.tr("About 85&#37; complete (missing vst bank/presets and some minor stuff)"))
+        self.ui.l_vst3.setText(self.tr("About 66&#37; complete"))
 
         if MACOS:
-            self.ui.l_au.setText(self.tr("Using JUCE host"))
+            self.ui.l_au.setText(self.tr("About 20&#37; complete"))
         else:
             self.ui.line_vst3.hide()
             self.ui.l_au.hide()

source/frontend/dialogs/__init__.py

@@ -16,5 +16,4 @@
 #
 # For a full copy of the GNU General Public License see the doc/GPL.txt file.
 
-from .aboutjucedialog import AboutJuceDialog
 from .jackappdialog import JackAppDialog

source/frontend/dialogs/aboutjucedialog.cpp

@@ -1,97 +0,0 @@
-/*
- * Carla plugin host
- * Copyright (C) 2011-2023 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
-
-#include "aboutjucedialog.hpp"
-
-#ifdef __clang__
-# pragma clang diagnostic push
-# pragma clang diagnostic ignored "-Wdeprecated-copy-with-user-provided-copy"
-# pragma clang diagnostic ignored "-Wdeprecated-register"
-#elif defined(__GNUC__) && __GNUC__ >= 8
-# pragma GCC diagnostic push
-# pragma GCC diagnostic ignored "-Wclass-memaccess"
-# pragma GCC diagnostic ignored "-Wdeprecated-copy"
-#endif
-
-#include "ui_aboutjucedialog.h"
-
-#ifdef __clang__
-# pragma clang diagnostic pop
-#elif defined(__GNUC__) && __GNUC__ >= 8
-# pragma GCC diagnostic pop
-#endif
-
-#include "CarlaFrontend.h"
-#include "CarlaUtils.h"
-
-// --------------------------------------------------------------------------------------------------------------------
-// Jack Application Dialog
-
-struct AboutJuceDialog::Self {
-    Ui_AboutJuceDialog ui;
-
-    Self() {}
-
-    static Self& create()
-    {
-        Self* const self = new Self();
-        return *self;
-    }
-};
-
-AboutJuceDialog::AboutJuceDialog(QWidget* const parent)
-    : QDialog(parent),
-      self(Self::create())
-{
-    self.ui.setupUi(this);
-
-    // -------------------------------------------------------------------------------------------------------------
-    // UI setup
-
-    self.ui.l_text2->setText(tr("This program uses JUCE version") + " " + carla_get_juce_version() + ".");
-
-    adjustSize();
-    setFixedSize(size());
-
-    Qt::WindowFlags flags = windowFlags();
-    flags &= ~Qt::WindowContextHelpButtonHint;
-
-   #ifdef CARLA_OS_WIN
-    flags |= Qt::MSWindowsFixedSizeDialogHint;
-   #endif
-
-    setWindowFlags(flags);
-
-   #ifdef CARLA_OS_MAC
-    if (parent != nullptr)
-        setWindowModality(Qt::WindowModal);
-   #endif
-}
-
-AboutJuceDialog::~AboutJuceDialog()
-{
-    delete &self;
-}
-
-// --------------------------------------------------------------------------------------------------------------------
-
-void carla_frontend_createAndExecAboutJuceDialog(void* const parent)
-{
-    AboutJuceDialog(reinterpret_cast<QWidget*>(parent)).exec();
-}
-
-// --------------------------------------------------------------------------------------------------------------------

source/frontend/dialogs/aboutjucedialog.hpp

@@ -1,55 +0,0 @@
-/*
- * Carla plugin host
- * Copyright (C) 2011-2022 Filipe Coelho <falktx@falktx.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * For a full copy of the GNU General Public License see the doc/GPL.txt file.
- */
-
-#pragma once
-
-#ifdef __clang__
-# pragma clang diagnostic push
-# pragma clang diagnostic ignored "-Wdeprecated-copy-with-user-provided-copy"
-# pragma clang diagnostic ignored "-Wdeprecated-register"
-#elif defined(__GNUC__) && __GNUC__ >= 8
-# pragma GCC diagnostic push
-# pragma GCC diagnostic ignored "-Wclass-memaccess"
-# pragma GCC diagnostic ignored "-Wdeprecated-copy"
-#endif
-
-#include <QtWidgets/QDialog>
-
-#ifdef __clang__
-# pragma clang diagnostic pop
-#elif defined(__GNUC__) && __GNUC__ >= 8
-# pragma GCC diagnostic pop
-#endif
-
-#include "CarlaDefines.h"
-
-// --------------------------------------------------------------------------------------------------------------------
-// About JUCE dialog
-
-class AboutJuceDialog : public QDialog
-{
-    struct Self;
-    Self& self;
-
-    // ----------------------------------------------------------------------------------------------------------------
-
-public:
-    explicit AboutJuceDialog(QWidget* parent);
-    ~AboutJuceDialog() override;
-};
-
-// --------------------------------------------------------------------------------------------------------------------

source/frontend/dialogs/aboutjucedialog.py

@@ -1,77 +0,0 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla plugin host
-# Copyright (C) 2011-2022 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
-
-# ---------------------------------------------------------------------------------------------------------------------
-# Imports (Global)
-
-from PyQt5.QtCore import Qt
-from PyQt5.QtWidgets import QDialog
-
-# ---------------------------------------------------------------------------------------------------------------------
-# Imports (Carla)
-
-from common import MACOS, WINDOWS
-from carla_shared import gCarla
-
-# ---------------------------------------------------------------------------------------------------------------------
-# Imports (Local)
-
-from aboutjucedialog_ui import Ui_AboutJuceDialog
-
-# ------------------------------------------------------------------------------------------------------------
-# About JUCE dialog
-
-class AboutJuceDialog(QDialog):
-    def __init__(self, parent):
-        QDialog.__init__(self, parent)
-        self.ui = Ui_AboutJuceDialog()
-        self.ui.setupUi(self)
-
-        self.ui.l_text2.setText(self.tr("This program uses JUCE version %s." % gCarla.utils.get_juce_version()))
-
-        self.adjustSize()
-        self.setFixedSize(self.size())
-
-        flags  = self.windowFlags()
-        flags &= ~Qt.WindowContextHelpButtonHint
-
-        if WINDOWS:
-            flags |= Qt.MSWindowsFixedSizeDialogHint
-
-        self.setWindowFlags(flags)
-
-        if MACOS:
-            self.setWindowModality(Qt.WindowModal)
-
-# ---------------------------------------------------------------------------------------------------------------------
-# Testing
-
-if __name__ == '__main__':
-    import sys
-    # pylint: disable=ungrouped-imports
-    from PyQt5.QtWidgets import QApplication
-    # pylint: enable=ungrouped-imports
-
-    # from carla_utils import CarlaUtils
-    # gCarla.utils = CarlaUtils(os.path.dirname(__file__) + "/../../../bin/libcarla_utils.dylib")
-
-    _app = QApplication(sys.argv)
-    _gui = AboutJuceDialog(None)
-    _gui.exec_()
-
-# ---------------------------------------------------------------------------------------------------------------------

source/frontend/dialogs/aboutjucedialog.ui

@@ -1,187 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<ui version="4.0">
- <class>AboutJuceDialog</class>
- <widget class="QDialog" name="AboutJuceDialog">
-  <property name="geometry">
-   <rect>
-    <x>0</x>
-    <y>0</y>
-    <width>463</width>
-    <height>244</height>
-   </rect>
-  </property>
-  <property name="windowTitle">
-   <string>About JUCE</string>
-  </property>
-  <layout class="QGridLayout" name="gridLayout">
-   <item row="0" column="0">
-    <layout class="QVBoxLayout" name="verticalLayout">
-     <item>
-      <widget class="QLabel" name="icon">
-       <property name="minimumSize">
-        <size>
-         <width>48</width>
-         <height>48</height>
-        </size>
-       </property>
-       <property name="maximumSize">
-        <size>
-         <width>48</width>
-         <height>48</height>
-        </size>
-       </property>
-       <property name="text">
-        <string/>
-       </property>
-       <property name="pixmap">
-        <pixmap resource="../resources.qrc">:/48x48/juce.png</pixmap>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <spacer name="verticalSpacer">
-       <property name="orientation">
-        <enum>Qt::Vertical</enum>
-       </property>
-       <property name="sizeHint" stdset="0">
-        <size>
-         <width>20</width>
-         <height>40</height>
-        </size>
-       </property>
-      </spacer>
-     </item>
-    </layout>
-   </item>
-   <item row="0" column="1">
-    <layout class="QVBoxLayout" name="verticalLayout_2">
-     <item>
-      <widget class="QLabel" name="l_text1">
-       <property name="text">
-        <string>&lt;b&gt;About JUCE&lt;/b&gt;</string>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <spacer name="verticalSpacer_3">
-       <property name="orientation">
-        <enum>Qt::Vertical</enum>
-       </property>
-       <property name="sizeType">
-        <enum>QSizePolicy::Fixed</enum>
-       </property>
-       <property name="sizeHint" stdset="0">
-        <size>
-         <width>10</width>
-         <height>10</height>
-        </size>
-       </property>
-      </spacer>
-     </item>
-     <item>
-      <widget class="QLabel" name="l_text2">
-       <property name="text">
-        <string>This program uses JUCE version 3.x.x.</string>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <spacer name="verticalSpacer_4">
-       <property name="orientation">
-        <enum>Qt::Vertical</enum>
-       </property>
-       <property name="sizeType">
-        <enum>QSizePolicy::Fixed</enum>
-       </property>
-       <property name="sizeHint" stdset="0">
-        <size>
-         <width>10</width>
-         <height>10</height>
-        </size>
-       </property>
-      </spacer>
-     </item>
-     <item>
-      <widget class="QLabel" name="l_text3">
-       <property name="text">
-        <string>JUCE is an open-source cross-platform C++ application framework for creating high quality desktop and mobile applications.
-
-The core JUCE modules (juce_audio_basics, juce_audio_devices, juce_core and juce_events) are permissively licensed under the terms of the ISC license.
-Other modules are covered by a GNU GPL 3.0 license.
-
-Copyright (C) 2022 Raw Material Software Limited.</string>
-       </property>
-       <property name="wordWrap">
-        <bool>true</bool>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <spacer name="verticalSpacer_2">
-       <property name="orientation">
-        <enum>Qt::Vertical</enum>
-       </property>
-       <property name="sizeType">
-        <enum>QSizePolicy::Expanding</enum>
-       </property>
-       <property name="sizeHint" stdset="0">
-        <size>
-         <width>0</width>
-         <height>0</height>
-        </size>
-       </property>
-      </spacer>
-     </item>
-    </layout>
-   </item>
-   <item row="1" column="0" colspan="2">
-    <widget class="QDialogButtonBox" name="buttonBox">
-     <property name="orientation">
-      <enum>Qt::Horizontal</enum>
-     </property>
-     <property name="standardButtons">
-      <set>QDialogButtonBox::Ok</set>
-     </property>
-    </widget>
-   </item>
-  </layout>
- </widget>
- <resources>
-  <include location="../resources.qrc"/>
-  <include location="../resources.qrc"/>
- </resources>
- <connections>
-  <connection>
-   <sender>buttonBox</sender>
-   <signal>accepted()</signal>
-   <receiver>AboutJuceDialog</receiver>
-   <slot>accept()</slot>
-   <hints>
-    <hint type="sourcelabel">
-     <x>248</x>
-     <y>254</y>
-    </hint>
-    <hint type="destinationlabel">
-     <x>157</x>
-     <y>274</y>
-    </hint>
-   </hints>
-  </connection>
-  <connection>
-   <sender>buttonBox</sender>
-   <signal>rejected()</signal>
-   <receiver>AboutJuceDialog</receiver>
-   <slot>reject()</slot>
-   <hints>
-    <hint type="sourcelabel">
-     <x>316</x>
-     <y>260</y>
-    </hint>
-    <hint type="destinationlabel">
-     <x>286</x>
-     <y>274</y>
-    </hint>
-   </hints>
-  </connection>
- </connections>
-</ui>

source/frontend/midipattern-ui

@@ -1,28 +1,21 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# A piano roll viewer/editor
-# Copyright (C) 2012-2020 Filipe Coelho <falktx@falktx.com>
-# Copyright (C) 2014-2015 Perry Nguyen
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-FileCopyrightText: 2014-2015 Perry Nguyen
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
-from PyQt5.QtCore import pyqtSlot, Qt, QEvent
-from PyQt5.QtGui import QKeyEvent
-from PyQt5.QtWidgets import QMainWindow
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import pyqtSlot, QT_VERSION, Qt, QEvent
+    from PyQt5.QtGui import QKeyEvent
+    from PyQt5.QtWidgets import QMainWindow
+elif qt_config == 6:
+    from PyQt6.QtCore import pyqtSlot, QT_VERSION, Qt, QEvent
+    from PyQt6.QtGui import QKeyEvent
+    from PyQt6.QtWidgets import QMainWindow
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)
@@ -74,15 +67,25 @@ class MidiPatternW(ExternalUI, QMainWindow):
         self.ui.piano.modeupdate.connect(self.ui.modeIndicator.changeMode)
         self.ui.piano.modeupdate.connect(self.slot_modeChanged)
 
-        self.ui.timeSigBox.currentIndexChanged[int].connect(self.slot_paramChanged)
-        self.ui.measureBox.currentIndexChanged[int].connect(self.slot_paramChanged)
-        self.ui.defaultLengthBox.currentIndexChanged[int].connect(self.slot_paramChanged)
-        self.ui.quantizeBox.currentIndexChanged[int].connect(self.slot_paramChanged)
+        if QT_VERSION >= 0x60000:
+            self.ui.timeSigBox.currentIndexChanged.connect(self.slot_paramChanged)
+            self.ui.measureBox.currentIndexChanged.connect(self.slot_paramChanged)
+            self.ui.defaultLengthBox.currentIndexChanged.connect(self.slot_paramChanged)
+            self.ui.quantizeBox.currentIndexChanged.connect(self.slot_paramChanged)
+            self.ui.timeSigBox.currentTextChanged.connect(self.slot_setTimeSignature)
+            self.ui.measureBox.currentTextChanged.connect(self.ui.piano.setMeasures)
+            self.ui.defaultLengthBox.currentTextChanged.connect(self.ui.piano.setDefaultLength)
+            self.ui.quantizeBox.currentTextChanged.connect(self.ui.piano.setGridDiv)
+        else:
+            self.ui.timeSigBox.currentIndexChanged[int].connect(self.slot_paramChanged)
+            self.ui.measureBox.currentIndexChanged[int].connect(self.slot_paramChanged)
+            self.ui.defaultLengthBox.currentIndexChanged[int].connect(self.slot_paramChanged)
+            self.ui.quantizeBox.currentIndexChanged[int].connect(self.slot_paramChanged)
+            self.ui.timeSigBox.currentIndexChanged[str].connect(self.slot_setTimeSignature)
+            self.ui.measureBox.currentIndexChanged[str].connect(self.ui.piano.setMeasures)
+            self.ui.defaultLengthBox.currentIndexChanged[str].connect(self.ui.piano.setDefaultLength)
+            self.ui.quantizeBox.currentIndexChanged[str].connect(self.ui.piano.setGridDiv)
 
-        self.ui.timeSigBox.currentIndexChanged[str].connect(self.slot_setTimeSignature)
-        self.ui.measureBox.currentIndexChanged[str].connect(self.ui.piano.setMeasures)
-        self.ui.defaultLengthBox.currentIndexChanged[str].connect(self.ui.piano.setDefaultLength)
-        self.ui.quantizeBox.currentIndexChanged[str].connect(self.ui.piano.setGridDiv)
         self.ui.hSlider.valueChanged.connect(self.ui.graphicsView.setZoomX)
         self.ui.vSlider.valueChanged.connect(self.ui.graphicsView.setZoomY)
 

source/frontend/notes-ui

@@ -1,26 +1,18 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# Carla Native Plugins
-# Copyright (C) 2012-2019 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
-from PyQt5.QtCore import pyqtSlot, Qt
-from PyQt5.QtWidgets import QGridLayout, QLabel, QPushButton, QTextEdit, QWidget
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import pyqtSlot, Qt
+    from PyQt5.QtWidgets import QGridLayout, QLabel, QPushButton, QTextEdit, QWidget
+elif qt_config == 6:
+    from PyQt6.QtCore import pyqtSlot, Qt
+    from PyQt6.QtWidgets import QGridLayout, QLabel, QPushButton, QTextEdit, QWidget
 
 # -----------------------------------------------------------------------
 # Imports (Custom)

source/frontend/patchcanvas/__init__.py

@@ -1,26 +1,18 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# PatchBay Canvas engine using QGraphicsView/Scene
-# Copyright (C) 2010-2019 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
-from PyQt5.QtCore import QPointF, QRectF
-from PyQt5.QtWidgets import QGraphicsItem
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import QPointF, QRectF
+    from PyQt5.QtWidgets import QGraphicsItem
+elif qt_config == 6:
+    from PyQt6.QtCore import QPointF, QRectF
+    from PyQt6.QtWidgets import QGraphicsItem
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Theme)

source/frontend/patchcanvas/canvasbezierline.py

@@ -1,27 +1,20 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# PatchBay Canvas engine using QGraphicsView/Scene
-# Copyright (C) 2010-2019 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
-from PyQt5.QtCore import Qt, QPointF
-from PyQt5.QtGui import QColor, QLinearGradient, QPainter, QPainterPath, QPen
-from PyQt5.QtWidgets import QGraphicsPathItem
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import Qt, QPointF
+    from PyQt5.QtGui import QColor, QLinearGradient, QPainter, QPainterPath, QPen
+    from PyQt5.QtWidgets import QGraphicsPathItem
+elif qt_config == 6:
+    from PyQt6.QtCore import Qt, QPointF
+    from PyQt6.QtGui import QColor, QLinearGradient, QPainter, QPainterPath, QPen
+    from PyQt6.QtWidgets import QGraphicsPathItem
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)

source/frontend/patchcanvas/canvasbezierlinemov.py

@@ -1,27 +1,20 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# PatchBay Canvas engine using QGraphicsView/Scene
-# Copyright (C) 2010-2019 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
-from PyQt5.QtCore import qWarning, Qt, QPointF
-from PyQt5.QtGui import QPainter, QPainterPath, QPen
-from PyQt5.QtWidgets import QGraphicsPathItem
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import qWarning, Qt, QPointF
+    from PyQt5.QtGui import QPainter, QPainterPath, QPen
+    from PyQt5.QtWidgets import QGraphicsPathItem
+elif qt_config == 6:
+    from PyQt6.QtCore import qWarning, Qt, QPointF
+    from PyQt6.QtGui import QPainter, QPainterPath, QPen
+    from PyQt6.QtWidgets import QGraphicsPathItem
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)

source/frontend/patchcanvas/canvasbox.py

@@ -1,27 +1,22 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# PatchBay Canvas engine using QGraphicsView/Scene
-# Copyright (C) 2010-2021 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
-from PyQt5.QtCore import pyqtSignal, pyqtSlot, qCritical, QT_VERSION, Qt, QPointF, QRectF, QTimer
-from PyQt5.QtGui import QCursor, QFont, QFontMetrics, QImage, QLinearGradient, QPainter, QPen
-from PyQt5.QtWidgets import QGraphicsItem, QGraphicsObject, QMenu
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import pyqtSignal, pyqtSlot, qCritical, QT_VERSION, Qt, QPointF, QRectF, QTimer
+    from PyQt5.QtGui import QCursor, QFont, QFontMetrics, QImage, QLinearGradient, QPainter, QPen
+    from PyQt5.QtSvg import QGraphicsSvgItem
+    from PyQt5.QtWidgets import QGraphicsItem, QGraphicsObject, QMenu
+elif qt_config == 6:
+    from PyQt6.QtCore import pyqtSignal, pyqtSlot, qCritical, QT_VERSION, Qt, QPointF, QRectF, QTimer
+    from PyQt6.QtGui import QCursor, QFont, QFontMetrics, QImage, QLinearGradient, QPainter, QPen
+    from PyQt6.QtSvgWidgets import QGraphicsSvgItem
+    from PyQt6.QtWidgets import QGraphicsItem, QGraphicsObject, QMenu
 
 # ------------------------------------------------------------------------------------------------------------
 # Backwards-compatible horizontalAdvance/width call, depending on Qt version

source/frontend/patchcanvas/canvasboxshadow.py

@@ -1,26 +1,18 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# PatchBay Canvas engine using QGraphicsView/Scene
-# Copyright (C) 2010-2019 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
-from PyQt5.QtGui import QColor
-from PyQt5.QtWidgets import QGraphicsDropShadowEffect
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtGui import QColor
+    from PyQt5.QtWidgets import QGraphicsDropShadowEffect
+elif qt_config == 6:
+    from PyQt6.QtGui import QColor
+    from PyQt6.QtWidgets import QGraphicsDropShadowEffect
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)

source/frontend/patchcanvas/canvasfadeanimation.py

@@ -1,26 +1,18 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# PatchBay Canvas engine using QGraphicsView/Scene
-# Copyright (C) 2010-2019 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
-from PyQt5.QtCore import QAbstractAnimation
-from PyQt5.QtWidgets import QGraphicsObject
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import QAbstractAnimation
+    from PyQt5.QtWidgets import QGraphicsObject
+elif qt_config == 6:
+    from PyQt6.QtCore import QAbstractAnimation
+    from PyQt6.QtWidgets import QGraphicsObject
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)

source/frontend/patchcanvas/canvasicon.py

@@ -1,28 +1,23 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# PatchBay Canvas engine using QGraphicsView/Scene
-# Copyright (C) 2010-2019 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
-from PyQt5.QtCore import qCritical, QRectF
-from PyQt5.QtGui import QPainter
-from PyQt5.QtSvg import QGraphicsSvgItem, QSvgRenderer
-from PyQt5.QtWidgets import QGraphicsColorizeEffect
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import qCritical, QRectF
+    from PyQt5.QtGui import QPainter
+    from PyQt5.QtSvg import QGraphicsSvgItem, QSvgRenderer
+    from PyQt5.QtWidgets import QGraphicsColorizeEffect
+elif qt_config == 6:
+    from PyQt6.QtCore import qCritical, QRectF
+    from PyQt6.QtGui import QPainter
+    from PyQt6.QtSvg import QSvgRenderer
+    from PyQt6.QtSvgWidgets import QGraphicsSvgItem
+    from PyQt6.QtWidgets import QGraphicsColorizeEffect
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)

source/frontend/patchcanvas/canvasline.py

@@ -1,27 +1,20 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# PatchBay Canvas engine using QGraphicsView/Scene
-# Copyright (C) 2010-2019 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
-from PyQt5.QtCore import Qt, QLineF
-from PyQt5.QtGui import QLinearGradient, QPainter, QPen
-from PyQt5.QtWidgets import QGraphicsLineItem
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import Qt, QLineF
+    from PyQt5.QtGui import QLinearGradient, QPainter, QPen
+    from PyQt5.QtWidgets import QGraphicsLineItem
+elif qt_config == 6:
+    from PyQt6.QtCore import Qt, QLineF
+    from PyQt6.QtGui import QLinearGradient, QPainter, QPen
+    from PyQt6.QtWidgets import QGraphicsLineItem
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)

source/frontend/patchcanvas/canvaslinemov.py

@@ -1,27 +1,20 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# PatchBay Canvas engine using QGraphicsView/Scene
-# Copyright (C) 2010-2019 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
-from PyQt5.QtCore import qWarning, Qt, QLineF
-from PyQt5.QtGui import QPainter, QPen
-from PyQt5.QtWidgets import QGraphicsLineItem
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import qWarning, Qt, QLineF
+    from PyQt5.QtGui import QPainter, QPen
+    from PyQt5.QtWidgets import QGraphicsLineItem
+elif qt_config == 6:
+    from PyQt6.QtCore import qWarning, Qt, QLineF
+    from PyQt6.QtGui import QPainter, QPen
+    from PyQt6.QtWidgets import QGraphicsLineItem
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)

source/frontend/patchcanvas/canvasport.py

@@ -1,29 +1,22 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# PatchBay Canvas engine using QGraphicsView/Scene
-# Copyright (C) 2010-2019 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
 from math import floor
 
-from PyQt5.QtCore import qCritical, Qt, QLineF, QPointF, QRectF, QTimer
-from PyQt5.QtGui import QCursor, QFont, QFontMetrics, QPainter, QPainterPath, QPen, QPolygonF
-from PyQt5.QtWidgets import QGraphicsItem, QMenu
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import qCritical, Qt, QLineF, QPointF, QRectF, QTimer
+    from PyQt5.QtGui import QCursor, QFont, QFontMetrics, QPainter, QPainterPath, QPen, QPolygonF
+    from PyQt5.QtWidgets import QGraphicsItem, QMenu
+elif qt_config == 6:
+    from PyQt6.QtCore import qCritical, Qt, QLineF, QPointF, QRectF, QTimer
+    from PyQt6.QtGui import QCursor, QFont, QFontMetrics, QPainter, QPainterPath, QPen, QPolygonF
+    from PyQt6.QtWidgets import QGraphicsItem, QMenu
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)
@@ -120,7 +113,16 @@ class CanvasPort(QGraphicsItem):
         self.update()
 
     def setPortName(self, port_name):
-        if QFontMetrics(self.m_port_font).width(port_name) < QFontMetrics(self.m_port_font).width(self.m_port_name):
+        metrics = QFontMetrics(self.m_port_font)
+
+        if QT_VERSION >= 0x50b00:
+            width1 = metrics.horizontalAdvance(port_name)
+            width2 = metrics.horizontalAdvance(self.m_port_name)
+        else:
+            width1 = metrics.width(port_name)
+            width2 = metrics.width(self.m_port_name)
+
+        if width1 < width2:
             QTimer.singleShot(0, canvas.scene.update)
 
         self.m_port_name = port_name
@@ -376,6 +378,7 @@ class CanvasPort(QGraphicsItem):
             conn_pen = QPen(theme.port_parameter_pen_sel)
         else:
             qCritical("PatchCanvas::CanvasPort.paint() - invalid port type '%s'" % port_type2str(self.m_port_type))
+            painter.restore()
             return
 
         # To prevent quality worsening
@@ -412,6 +415,7 @@ class CanvasPort(QGraphicsItem):
                 poly_locx[4] = lineHinting
             else:
                 qCritical("PatchCanvas::CanvasPort.paint() - invalid theme port mode '%s'" % canvas.theme.port_mode)
+                painter.restore()
                 return
 
         elif self.m_port_mode == PORT_MODE_OUTPUT:
@@ -431,10 +435,12 @@ class CanvasPort(QGraphicsItem):
                 poly_locx[4] = self.m_port_width + 12 - lineHinting
             else:
                 qCritical("PatchCanvas::CanvasPort.paint() - invalid theme port mode '%s'" % canvas.theme.port_mode)
+                painter.restore()
                 return
 
         else:
             qCritical("PatchCanvas::CanvasPort.paint() - invalid port mode '%s'" % port_mode2str(self.m_port_mode))
+            painter.restore()
             return
 
         polygon = QPolygonF()

source/frontend/patchcanvas/canvasportglow.py

@@ -1,25 +1,16 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# PatchBay Canvas engine using QGraphicsView/Scene
-# Copyright (C) 2010-2019 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
-from PyQt5.QtWidgets import QGraphicsDropShadowEffect
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtWidgets import QGraphicsDropShadowEffect
+elif qt_config == 6:
+    from PyQt6.QtWidgets import QGraphicsDropShadowEffect
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)

source/frontend/patchcanvas/patchcanvas.py

@@ -1,27 +1,20 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# PatchBay Canvas engine using QGraphicsView/Scene
-# Copyright (C) 2010-2019 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
-from PyQt5.QtCore import pyqtSlot, qCritical, qFatal, qWarning, QObject
-from PyQt5.QtCore import QPointF, QRectF, QTimer
-from PyQt5.QtWidgets import QGraphicsObject
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import pyqtSlot, qCritical, qFatal, qWarning, QObject
+    from PyQt5.QtCore import QPointF, QRectF, QTimer
+    from PyQt5.QtWidgets import QGraphicsObject
+elif qt_config == 6:
+    from PyQt6.QtCore import pyqtSlot, qCritical, qFatal, qWarning, QObject
+    from PyQt6.QtCore import QPointF, QRectF, QTimer
+    from PyQt6.QtWidgets import QGraphicsObject
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)

source/frontend/patchcanvas/scene.py

@@ -1,29 +1,22 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# PatchBay Canvas engine using QGraphicsView/Scene
-# Copyright (C) 2010-2019 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
 from math import floor
 
-from PyQt5.QtCore import QT_VERSION, pyqtSignal, pyqtSlot, qFatal, Qt, QPointF, QRectF
-from PyQt5.QtGui import QCursor, QPixmap, QPolygonF
-from PyQt5.QtWidgets import QGraphicsRectItem, QGraphicsScene
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import QT_VERSION, pyqtSignal, pyqtSlot, qFatal, Qt, QPointF, QRectF
+    from PyQt5.QtGui import QCursor, QPixmap, QPolygonF
+    from PyQt5.QtWidgets import QGraphicsRectItem, QGraphicsScene
+elif qt_config == 6:
+    from PyQt6.QtCore import QT_VERSION, pyqtSignal, pyqtSlot, qFatal, Qt, QPointF, QRectF
+    from PyQt6.QtGui import QCursor, QPixmap, QPolygonF
+    from PyQt6.QtWidgets import QGraphicsRectItem, QGraphicsScene
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Custom)
@@ -314,7 +307,7 @@ class PatchScene(QGraphicsScene):
         )
         self.m_mouse_rubberband = False
 
-        if event.button() == Qt.MidButton and ctrlDown:
+        if event.button() == Qt.MiddleButton and ctrlDown:
             self.startConnectionCut()
             items = self.items(event.scenePos())
             for item in items:

source/frontend/patchcanvas/theme.py

@@ -1,26 +1,18 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-
-# PatchBay Canvas Themes
-# Copyright (C) 2010-2019 Filipe Coelho <falktx@falktx.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# For a full copy of the GNU General Public License see the doc/GPL.txt file.
+# SPDX-FileCopyrightText: 2011-2024 Filipe Coelho <falktx@falktx.com>
+# SPDX-License-Identifier: GPL-2.0-or-later
 
 # ------------------------------------------------------------------------------------------------------------
 # Imports (Global)
 
-from PyQt5.QtCore import Qt
-from PyQt5.QtGui import QColor, QFont, QPen, QPixmap
+from qt_compat import qt_config
+
+if qt_config == 5:
+    from PyQt5.QtCore import Qt
+    from PyQt5.QtGui import QColor, QFont, QPen, QPixmap
+elif qt_config == 6:
+    from PyQt6.QtCore import Qt
+    from PyQt6.QtGui import QColor, QFont, QPen, QPixmap
 
 # ------------------------------------------------------------------------------------------------------------