Implement a way to set plugins as standalones

source/backend/CarlaBackend.h

@@ -1,6 +1,6 @@
 /*
  * Carla Plugin Host
- * Copyright (C) 2011-2020 Filipe Coelho <falktx@falktx.com>
+ * 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
@@ -1368,6 +1368,7 @@ typedef enum {
      */
     ENGINE_OPTION_AUDIO_DEVICE = 14,
 
+#ifndef BUILD_BRIDGE
     /*!
      * Wherever to enable OSC support in the engine.
      */
@@ -1389,6 +1390,7 @@ typedef enum {
      * @note Valid ports begin at 1024 and end at 32767 (inclusive)
      */
     ENGINE_OPTION_OSC_PORT_UDP = 17,
+#endif
 
     /*!
      * Set path used for a specific file type.
@@ -1475,17 +1477,24 @@ typedef enum {
     ENGINE_OPTION_WINE_SERVER_RT_PRIO = 32,
 #endif
 
+#ifndef BUILD_BRIDGE
     /*!
      * Capture console output into debug callbacks.
      */
     ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT = 33,
+#endif
 
     /*!
      * A prefix to give to all plugin clients created by Carla.
      * Mostly useful for JACK multi-client mode.
      * @note MUST include at least one "." (dot).
      */
-    ENGINE_OPTION_CLIENT_NAME_PREFIX = 34
+    ENGINE_OPTION_CLIENT_NAME_PREFIX = 34,
+
+    /*!
+     * Treat loaded plugins as standalone (that is, there is no host UI to manage them)
+     */
+    ENGINE_OPTION_PLUGINS_ARE_STANDALONE = 35
 
 } EngineOption;
 

source/backend/CarlaEngine.hpp

@@ -242,6 +242,7 @@ struct CARLA_API EngineOptions {
     bool preferPluginBridges;
     bool preferUiBridges;
     bool uisAlwaysOnTop;
+    bool pluginsAreStandalone;
     uint bgColor;
     uint fgColor;
     float uiScale;

source/backend/CarlaHost.h

@@ -489,7 +489,6 @@ CARLA_EXPORT bool carla_set_engine_about_to_close(CarlaHostHandle handle);
  */
 CARLA_EXPORT void carla_set_engine_callback(CarlaHostHandle handle, EngineCallbackFunc func, void* ptr);
 
-#ifndef BUILD_BRIDGE
 /*!
  * Set an engine option.
  * @param option   Option
@@ -497,7 +496,6 @@ CARLA_EXPORT void carla_set_engine_callback(CarlaHostHandle handle, EngineCallba
  * @param valueStr Value as string
  */
 CARLA_EXPORT void carla_set_engine_option(CarlaHostHandle handle, EngineOption option, int value, const char* valueStr);
-#endif
 
 /*!
  * Set the file callback function.

source/backend/CarlaHostImpl.hpp

@@ -1,6 +1,6 @@
 /*
  * Carla Plugin Host
- * Copyright (C) 2011-2020 Filipe Coelho <falktx@falktx.com>
+ * 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
@@ -57,8 +57,8 @@ struct CarlaHostStandalone : CarlaHostHandleImpl {
     FileCallbackFunc   fileCallback;
     void*              fileCallbackPtr;
 
-#ifndef BUILD_BRIDGE
     EngineOptions  engineOptions;
+#ifndef BUILD_BRIDGE
     CarlaLogThread logThread;
     bool           logThreadEnabled;
 #endif
@@ -71,8 +71,8 @@ struct CarlaHostStandalone : CarlaHostHandleImpl {
           engineCallbackPtr(nullptr),
           fileCallback(nullptr),
           fileCallbackPtr(nullptr),
-#ifndef BUILD_BRIDGE
           engineOptions(),
+#ifndef BUILD_BRIDGE
           logThread(),
           logThreadEnabled(false),
 #endif

source/backend/CarlaStandalone.cpp

@@ -1,6 +1,6 @@
 /*
  * Carla Standalone
- * Copyright (C) 2011-2020 Filipe Coelho <falktx@falktx.com>
+ * 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
@@ -388,6 +388,8 @@ static void carla_engine_init_common(const CarlaHostStandalone& standalone, Carl
 # endif
 
     engine->setOption(CB::ENGINE_OPTION_CLIENT_NAME_PREFIX, 0, standalone.engineOptions.clientNamePrefix);
+
+    engine->setOption(CB::ENGINE_OPTION_PLUGINS_ARE_STANDALONE, standalone.engineOptions.pluginsAreStandalone, nullptr);
 #endif // BUILD_BRIDGE
 }
 
@@ -694,7 +696,6 @@ void carla_set_engine_callback(CarlaHostHandle handle, EngineCallbackFunc func,
         handle->engine->setCallback(func, ptr);
 }
 
-#ifndef BUILD_BRIDGE
 void carla_set_engine_option(CarlaHostHandle handle, EngineOption option, int value, const char* valueStr)
 {
     carla_debug("carla_set_engine_option(%p, %i:%s, %i, \"%s\")",
@@ -811,6 +812,7 @@ void carla_set_engine_option(CarlaHostHandle handle, EngineOption option, int va
             shandle.engineOptions.audioDevice = carla_strdup_safe(valueStr);
             break;
 
+#ifndef BUILD_BRIDGE
         case CB::ENGINE_OPTION_OSC_ENABLED:
             CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);
             shandle.engineOptions.oscEnabled = (value != 0);
@@ -825,6 +827,7 @@ void carla_set_engine_option(CarlaHostHandle handle, EngineOption option, int va
             CARLA_SAFE_ASSERT_RETURN(value <= 0 || value >= 1024,);
             shandle.engineOptions.oscPortUDP = value;
             break;
+#endif
 
         case CB::ENGINE_OPTION_FILE_PATH:
             CARLA_SAFE_ASSERT_RETURN(value > CB::FILE_NONE,);
@@ -934,7 +937,7 @@ void carla_set_engine_option(CarlaHostHandle handle, EngineOption option, int va
             shandle.engineOptions.frontendWinId = static_cast<uintptr_t>(winId);
         }   break;
 
-# ifndef CARLA_OS_WIN
+#if !defined(BUILD_BRIDGE_ALTERNATIVE_ARCH) && !defined(CARLA_OS_WIN)
         case CB::ENGINE_OPTION_WINE_EXECUTABLE:
             CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);
 
@@ -972,11 +975,13 @@ void carla_set_engine_option(CarlaHostHandle handle, EngineOption option, int va
             CARLA_SAFE_ASSERT_RETURN(value >= 1 && value <= 99,);
             shandle.engineOptions.wine.serverRtPrio = value;
             break;
-# endif // CARLA_OS_WIN
+#endif
 
+#ifndef BUILD_BRIDGE
         case CB::ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT:
             shandle.logThreadEnabled = (value != 0);
             break;
+#endif
 
         case CB::ENGINE_OPTION_CLIENT_NAME_PREFIX:
             if (shandle.engineOptions.clientNamePrefix != nullptr)
@@ -986,13 +991,17 @@ void carla_set_engine_option(CarlaHostHandle handle, EngineOption option, int va
                                                    ? carla_strdup_safe(valueStr)
                                                    : nullptr;
             break;
+
+        case CB::ENGINE_OPTION_PLUGINS_ARE_STANDALONE:
+            CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);
+            shandle.engineOptions.pluginsAreStandalone = (value != 0);
+            break;
         }
     }
 
     if (handle->engine != nullptr)
         handle->engine->setOption(option, value, valueStr);
 }
-#endif // BUILD_BRIDGE
 
 void carla_set_file_callback(CarlaHostHandle handle, FileCallbackFunc func, void* ptr)
 {

source/backend/engine/CarlaEngine.cpp

@@ -1,6 +1,6 @@
 /*
  * Carla Plugin Host
- * Copyright (C) 2011-2020 Filipe Coelho <falktx@falktx.com>
+ * 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
@@ -1902,26 +1902,22 @@ void CarlaEngine::setOption(const EngineOption option, const int value, const ch
         pData->options.audioDevice = carla_strdup_safe(valueStr);
         break;
 
+#ifndef BUILD_BRIDGE
     case ENGINE_OPTION_OSC_ENABLED:
         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);
-#ifndef BUILD_BRIDGE
         pData->options.oscEnabled = (value != 0);
-#endif
         break;
 
     case ENGINE_OPTION_OSC_PORT_TCP:
         CARLA_SAFE_ASSERT_RETURN(value <= 0 || value >= 1024,);
-#ifndef BUILD_BRIDGE
         pData->options.oscPortTCP = value;
-#endif
         break;
 
     case ENGINE_OPTION_OSC_PORT_UDP:
         CARLA_SAFE_ASSERT_RETURN(value <= 0 || value >= 1024,);
-#ifndef BUILD_BRIDGE
         pData->options.oscPortUDP = value;
-#endif
         break;
+#endif
 
     case ENGINE_OPTION_FILE_PATH:
         CARLA_SAFE_ASSERT_RETURN(value > FILE_NONE,);
@@ -2116,8 +2112,10 @@ void CarlaEngine::setOption(const EngineOption option, const int value, const ch
         break;
 #endif
 
+#ifndef BUILD_BRIDGE
     case ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT:
         break;
+#endif
 
     case ENGINE_OPTION_CLIENT_NAME_PREFIX:
         if (pData->options.clientNamePrefix != nullptr)
@@ -2127,6 +2125,11 @@ void CarlaEngine::setOption(const EngineOption option, const int value, const ch
                                         ? carla_strdup_safe(valueStr)
                                         : nullptr;
         break;
+
+    case ENGINE_OPTION_PLUGINS_ARE_STANDALONE:
+        CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);
+        pData->options.pluginsAreStandalone = (value != 0);
+        break;
     }
 }
 

source/backend/engine/CarlaEngineData.cpp

@@ -1,6 +1,6 @@
 /*
  * Carla Plugin Host
- * Copyright (C) 2011-2019 Filipe Coelho <falktx@falktx.com>
+ * 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
@@ -209,6 +209,7 @@ EngineOptions::EngineOptions() noexcept
       preferUiBridges(true),
 #endif
       uisAlwaysOnTop(true),
+      pluginsAreStandalone(false),
       bgColor(0x000000ff),
       fgColor(0xffffffff),
       uiScale(1.0f),

source/backend/plugin/CarlaPluginJuce.cpp

@@ -494,7 +494,7 @@ public:
                         uiName += " (GUI)";
                     }
 
-                    fWindow = new JucePluginWindow(opts.frontendWinId);
+                    fWindow = new JucePluginWindow(opts.frontendWinId, opts.pluginsAreStandalone);
                     fWindow->setName(uiName);
                 }
 

source/backend/plugin/CarlaPluginLV2.cpp

@@ -1,6 +1,6 @@
 /*
  * Carla LV2 Plugin
- * Copyright (C) 2011-2020 Filipe Coelho <falktx@falktx.com>
+ * 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
@@ -1892,6 +1892,7 @@ public:
                 if (fUI.type == UI::TYPE_EMBED && fUI.rdfDescriptor->Type != LV2_UI_NONE && fUI.window == nullptr)
                 {
                     const char* msg = nullptr;
+                    const bool isStandalone = pData->engine->getOptions().pluginsAreStandalone;
 
                     switch (fUI.rdfDescriptor->Type)
                     {
@@ -1906,7 +1907,7 @@ public:
 
                     case LV2_UI_COCOA:
 # ifdef CARLA_OS_MAC
-                        fUI.window = CarlaPluginUI::newCocoa(this, frontendWinId, isUiResizable());
+                        fUI.window = CarlaPluginUI::newCocoa(this, frontendWinId, isStandalone, isUiResizable());
 # else
                         msg = "UI is for MacOS only";
 # endif
@@ -1914,7 +1915,7 @@ public:
 
                     case LV2_UI_WINDOWS:
 # ifdef CARLA_OS_WIN
-                        fUI.window = CarlaPluginUI::newWindows(this, frontendWinId, isUiResizable());
+                        fUI.window = CarlaPluginUI::newWindows(this, frontendWinId, isStandalone, isUiResizable());
 # else
                         msg = "UI is for Windows only";
 # endif
@@ -1922,7 +1923,7 @@ public:
 
                     case LV2_UI_X11:
 # ifdef HAVE_X11
-                        fUI.window = CarlaPluginUI::newX11(this, frontendWinId, isUiResizable(), true);
+                        fUI.window = CarlaPluginUI::newX11(this, frontendWinId, isStandalone, isUiResizable(), true);
 # else
                         msg = "UI is only for systems with X11";
 # endif

source/backend/plugin/CarlaPluginVST2.cpp

@@ -546,11 +546,11 @@ public:
                 const EngineOptions& opts(pData->engine->getOptions());
 
 #if defined(CARLA_OS_MAC)
-                fUI.window = CarlaPluginUI::newCocoa(this, opts.frontendWinId, false);
+                fUI.window = CarlaPluginUI::newCocoa(this, opts.frontendWinId, opts.pluginsAreStandalone, false);
 #elif defined(CARLA_OS_WIN)
-                fUI.window = CarlaPluginUI::newWindows(this, opts.frontendWinId, false);
+                fUI.window = CarlaPluginUI::newWindows(this, opts.frontendWinId, opts.pluginsAreStandalone, false);
 #elif defined(HAVE_X11)
-                fUI.window = CarlaPluginUI::newX11(this, opts.frontendWinId, false, false);
+                fUI.window = CarlaPluginUI::newX11(this, opts.frontendWinId, opts.pluginsAreStandalone, false, false);
 #else
                 msg = "Unsupported UI type";
 #endif

source/bridges-plugin/CarlaBridgePlugin.cpp

@@ -1,6 +1,6 @@
 /*
  * Carla Bridge Plugin
- * Copyright (C) 2012-2020 Filipe Coelho <falktx@falktx.com>
+ * Copyright (C) 2012-2021 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
@@ -661,6 +661,7 @@ int main(int argc, char* argv[])
             if (! useBridge)
             {
                 carla_set_active(gHostHandle, 0, true);
+                carla_set_engine_option(gHostHandle, CarlaBackend::ENGINE_OPTION_PLUGINS_ARE_STANDALONE, 1, nullptr);
 
                 if (const CarlaPluginInfo* const pluginInfo = carla_get_plugin_info(gHostHandle, 0))
                 {

source/bridges-ui/CarlaBridgeFormat.cpp

@@ -253,6 +253,9 @@ bool CarlaBridgeFormat::msgReceived(const char* const msg) noexcept
         CARLA_SAFE_ASSERT_RETURN(readNextLineAsULong(transientWindowId), true);
         opts.transientWindowId = transientWindowId;
 
+        // we can assume we are not standalone if we got options from controller side
+        opts.isStandalone = true;
+
         fGotOptions = true;
         uiOptionsChanged(opts);
 

source/bridges-ui/CarlaBridgeFormat.hpp

@@ -1,6 +1,6 @@
 /*
  * Carla Bridge UI
- * Copyright (C) 2011-2017 Filipe Coelho <falktx@falktx.com>
+ * 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
@@ -77,6 +77,7 @@ protected:
         uint32_t bgColor;
         uint32_t fgColor;
         float uiScale;
+        bool isStandalone;
         bool useTheme;
         bool useThemeColors;
         const char* windowTitle;
@@ -111,6 +112,11 @@ public:
      * Options.
      */
     struct Options {
+        /*!
+         * UI is standalone, not controlled by another application.
+         */
+        bool isStandalone;
+
         /*!
          * UI is resizable by the user.
          * The UI can still sometimes resize itself internally if this is false.
@@ -142,7 +148,8 @@ public:
          * Constructor for default options.
          */
         Options() noexcept
-            : isResizable(true),
+            : isStandalone(true),
+              isResizable(true),
               useTheme(true),
               useThemeColors(true),
               windowTitle("TestUI"),

source/bridges-ui/CarlaBridgeFormatLV2.cpp

@@ -826,6 +826,7 @@ public:
         // ------------------------------------------------------------------------------------------------------------
         // other
 
+        fUiOptions.isStandalone   = opts.isStandalone;
         fUiOptions.useTheme       = opts.useTheme;
         fUiOptions.useThemeColors = opts.useThemeColors;
     }

source/bridges-ui/CarlaBridgeToolkitNative.cpp

@@ -1,6 +1,6 @@
 /*
  * Carla Bridge UI
- * Copyright (C) 2014-2018 Filipe Coelho <falktx@falktx.com>
+ * Copyright (C) 2014-2021 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
@@ -57,12 +57,12 @@ public:
         const CarlaBridgeFormat::Options& options(fPlugin->getOptions());
 
 #if defined(CARLA_OS_MAC) && defined(BRIDGE_COCOA)
-        fHostUI = CarlaPluginUI::newCocoa(this, 0, options.isResizable);
+        fHostUI = CarlaPluginUI::newCocoa(this, 0, options.isStandalone, options.isResizable);
 #elif defined(CARLA_OS_WIN) && defined(BRIDGE_HWND)
-        fHostUI = CarlaPluginUI::newWindows(this, 0, options.isResizable);
+        fHostUI = CarlaPluginUI::newWindows(this, 0, options.isStandalone, options.isResizable);
 #elif defined(HAVE_X11) && defined(BRIDGE_X11)
         XInitThreads();
-        fHostUI = CarlaPluginUI::newX11(this, 0, options.isResizable, true /* assumes LV2 */);
+        fHostUI = CarlaPluginUI::newX11(this, 0, options.isStandalone, options.isResizable, true);
 #endif
         CARLA_SAFE_ASSERT_RETURN(fHostUI != nullptr, false);
 

source/frontend/carla_backend.py

@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 
 # Carla Backend code
-# Copyright (C) 2011-2020 Filipe Coelho <falktx@falktx.com>
+# 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
@@ -1045,6 +1045,9 @@ ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT = 33
 # @note MUST include at least one "." (dot).
 ENGINE_OPTION_CLIENT_NAME_PREFIX = 34
 
+# Treat loaded plugins as standalone (that is, there is no host UI to manage them)
+ENGINE_OPTION_PLUGINS_ARE_STANDALONE = 35
+
 # ---------------------------------------------------------------------------------------------------------------------
 # Engine Process Mode
 # Engine process mode.

source/utils/CarlaBackendUtils.hpp

@@ -1,6 +1,6 @@
 /*
  * Carla Backend utils
- * Copyright (C) 2011-2019 Filipe Coelho <falktx@falktx.com>
+ * 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
@@ -360,12 +360,14 @@ const char* EngineOption2Str(const EngineOption option) noexcept
         return "ENGINE_OPTION_AUDIO_DRIVER";
     case ENGINE_OPTION_AUDIO_DEVICE:
         return "ENGINE_OPTION_AUDIO_DEVICE";
+#ifndef BUILD_BRIDGE
     case ENGINE_OPTION_OSC_ENABLED:
         return "ENGINE_OPTION_OSC_ENABLED";
     case ENGINE_OPTION_OSC_PORT_UDP:
         return "ENGINE_OPTION_OSC_PORT_UDP";
     case ENGINE_OPTION_OSC_PORT_TCP:
         return "ENGINE_OPTION_OSC_PORT_TCP";
+#endif
     case ENGINE_OPTION_FILE_PATH:
         return "ENGINE_OPTION_FILE_PATH";
     case ENGINE_OPTION_PLUGIN_PATH:
@@ -398,10 +400,14 @@ const char* EngineOption2Str(const EngineOption option) noexcept
     case ENGINE_OPTION_WINE_SERVER_RT_PRIO:
         return "ENGINE_OPTION_WINE_SERVER_RT_PRIO";
 #endif
+#ifndef BUILD_BRIDGE
     case ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT:
         return "ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT";
+#endif
     case ENGINE_OPTION_CLIENT_NAME_PREFIX:
         return "ENGINE_OPTION_CLIENT_NAME_PREFIX";
+    case ENGINE_OPTION_PLUGINS_ARE_STANDALONE:
+        return "ENGINE_OPTION_PLUGINS_ARE_STANDALONE";
     }
 
     carla_stderr("CarlaBackend::EngineOption2Str(%i) - invalid option", option);

source/utils/CarlaPluginUI.cpp

@@ -1,6 +1,6 @@
 /*
  * Carla Plugin UI
- * Copyright (C) 2014-2020 Filipe Coelho <falktx@falktx.com>
+ * Copyright (C) 2014-2021 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
@@ -59,8 +59,8 @@ class X11PluginUI : public CarlaPluginUI
 {
 public:
     X11PluginUI(Callback* const cb, const uintptr_t parentId,
-                const bool isResizable, const bool canMonitorChildren) noexcept
-        : CarlaPluginUI(cb, isResizable),
+                const bool isStandalone, const bool isResizable, const bool canMonitorChildren) noexcept
+        : CarlaPluginUI(cb, isStandalone, isResizable),
           fDisplay(nullptr),
           fHostWindow(0),
           fChildWindow(0),
@@ -571,8 +571,8 @@ private:
 class CocoaPluginUI : public CarlaPluginUI
 {
 public:
-    CocoaPluginUI(Callback* const callback, const uintptr_t parentId, const bool isResizable) noexcept
-        : CarlaPluginUI(callback, isResizable),
+    CocoaPluginUI(Callback* const callback, const uintptr_t parentId, const bool isStandalone, const bool isResizable) noexcept
+        : CarlaPluginUI(callback, isStandalone, isResizable),
           fView(nullptr),
           fParentWindow(nullptr),
           fWindow(nullptr)
@@ -792,8 +792,8 @@ static LRESULT CALLBACK wndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM l
 class WindowsPluginUI : public CarlaPluginUI
 {
 public:
-    WindowsPluginUI(Callback* const cb, const uintptr_t parentId, const bool isResizable) noexcept
-        : CarlaPluginUI(cb, isResizable),
+    WindowsPluginUI(Callback* const cb, const uintptr_t parentId, const bool isStandalone, const bool isResizable) noexcept
+        : CarlaPluginUI(cb, isStandalone, isResizable),
           fWindow(nullptr),
           fChildWindow(nullptr),
           fParentWindow(nullptr),
@@ -1392,24 +1392,31 @@ bool CarlaPluginUI::tryTransientWinIdMatch(const uintptr_t pid, const char* cons
 #ifdef HAVE_X11
 CarlaPluginUI* CarlaPluginUI::newX11(Callback* const cb,
                                      const uintptr_t parentId,
+                                     const bool isStandalone,
                                      const bool isResizable, 
                                      const bool isLV2)
 {
-    return new X11PluginUI(cb, parentId, isResizable, isLV2);
+    return new X11PluginUI(cb, parentId, isStandalone, isResizable, isLV2);
 }
 #endif
 
 #ifdef CARLA_OS_MAC
-CarlaPluginUI* CarlaPluginUI::newCocoa(Callback* const cb, const uintptr_t parentId, const bool isResizable)
+CarlaPluginUI* CarlaPluginUI::newCocoa(Callback* const cb,
+                                       const uintptr_t parentId,
+                                       const bool isStandalone,
+                                       const bool isResizable)
 {
-    return new CocoaPluginUI(cb, parentId, isResizable);
+    return new CocoaPluginUI(cb, parentId, isStandalone, isResizable);
 }
 #endif
 
 #ifdef CARLA_OS_WIN
-CarlaPluginUI* CarlaPluginUI::newWindows(Callback* const cb, const uintptr_t parentId, const bool isResizable)
+CarlaPluginUI* CarlaPluginUI::newWindows(Callback* const cb,
+                                         const uintptr_t parentId,
+                                         const bool isStandalone,
+                                         const bool isResizable)
 {
-    return new WindowsPluginUI(cb, parentId, isResizable);
+    return new WindowsPluginUI(cb, parentId, isStandalone, isResizable);
 }
 #endif
 

source/utils/CarlaPluginUI.hpp

@@ -1,6 +1,6 @@
 /*
  * Carla Plugin UI
- * Copyright (C) 2014-2018 Filipe Coelho <falktx@falktx.com>
+ * Copyright (C) 2014-2021 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
@@ -51,22 +51,26 @@ public:
 #endif
 
 #ifdef CARLA_OS_MAC
-    static CarlaPluginUI* newCocoa(Callback*, uintptr_t, bool isResizable);
+    static CarlaPluginUI* newCocoa(Callback*, uintptr_t, bool isStandalone, bool isResizable);
 #endif
 #ifdef CARLA_OS_WIN
-    static CarlaPluginUI* newWindows(Callback*, uintptr_t, bool isResizable);
+    static CarlaPluginUI* newWindows(Callback*, uintptr_t, bool isStandalone, bool isResizable);
 #endif
 #ifdef HAVE_X11
-    static CarlaPluginUI* newX11(Callback*, uintptr_t, bool isResizable, bool canMonitorChildren);
+    static CarlaPluginUI* newX11(Callback*, uintptr_t, bool isStandalone, bool isResizable, bool canMonitorChildren);
 #endif
 
 protected:
     bool fIsIdling;
+    bool fIsStandalone;
     bool fIsResizable;
     Callback* fCallback;
 
-    CarlaPluginUI(Callback* const cb, const bool isResizable) noexcept
+    CarlaPluginUI(Callback* const cb,
+                  const bool isStandalone,
+                  const bool isResizable) noexcept
         : fIsIdling(false),
+          fIsStandalone(isStandalone),
           fIsResizable(isResizable),
           fCallback(cb) {}
 

source/utils/JucePluginWindow.hpp

@@ -42,8 +42,9 @@ namespace juce {
 class JucePluginWindow : public DialogWindow
 {
 public:
-    JucePluginWindow(const uintptr_t parentId)
+    JucePluginWindow(const uintptr_t parentId, const bool isStandalone)
         : DialogWindow("JucePluginWindow", Colour(50, 50, 200), true, false),
+          fIsStandalone(isStandalone),
           fClosed(false),
           fShown(false),
           fTransientId(parentId)
@@ -106,7 +107,13 @@ protected:
 
     int getDesktopWindowStyleFlags() const override
     {
-        return ComponentPeer::windowHasDropShadow | ComponentPeer::windowHasTitleBar | ComponentPeer::windowHasCloseButton;
+        int flags = 0;
+        flags |= ComponentPeer::windowHasCloseButton;
+        flags |= ComponentPeer::windowHasDropShadow;
+        flags |= ComponentPeer::windowHasTitleBar;
+        if (fIsStandalone)
+            flags |= ComponentPeer::windowAppearsOnTaskbar;
+        return flags;
     }
 
 #ifndef CARLA_OS_LINUX
@@ -123,6 +130,7 @@ protected:
 #endif
 
 private:
+    const bool fIsStandalone;
     volatile bool fClosed;
     bool fShown;
     const uintptr_t fTransientId;