Add initial code for cadence-session-start

Makefile

@@ -12,6 +12,13 @@ SED_PREFIX = $(shell echo $(PREFIX) | sed "s/\//\\\\\\\\\//g")
 PYUIC = pyuic4
 PYRCC = pyrcc4 -py3
 
+# Detect X11 rules dir
+ifeq "$(wildcard /etc/X11/xinit/xinitrc.d/ )" ""
+	X11_RC_DIR = $(DESTDIR)/etc/X11/Xsession.d/
+else
+	X11_RC_DIR = $(DESTDIR)/etc/X11/xinit/xinitrc.d/
+endif
+
 
 all: UI RES CPP
 
@@ -226,6 +233,7 @@ install:
 	install -d $(DESTDIR)$(PREFIX)/share/cadence/pulse2jack/
 	install -d $(DESTDIR)$(PREFIX)/share/cadence/icons/
 	install -d $(DESTDIR)$(PREFIX)/share/cadence/templates/
+	install -d $(X11_RC_DIR)
 
 	# Install script files and binaries
 	install -m 755 \
@@ -299,8 +307,11 @@ install:
 	install -m 755 src/*.py $(DESTDIR)$(PREFIX)/share/cadence/src/
 	install -m 755 c++/carla-backend/*.so $(DESTDIR)$(PREFIX)/lib/carla/
 
-	# Install addtional stuff
+	# Install addtional stuff for Cadence
 	install -m 644 data/pulse2jack/* $(DESTDIR)$(PREFIX)/share/cadence/pulse2jack/
+	install -m 644 data/99cadence-session-start $(X11_RC_DIR)
+
+	# Install addtional stuff for Claudia
 	cp -r data/icons/*     $(DESTDIR)$(PREFIX)/share/cadence/icons/
 	cp -r data/templates/* $(DESTDIR)$(PREFIX)/share/cadence/templates/
 
@@ -317,7 +328,8 @@ install:
 		$(DESTDIR)$(PREFIX)/bin/claudia \
 		$(DESTDIR)$(PREFIX)/bin/claudia-launcher \
 		$(DESTDIR)$(PREFIX)/bin/carla \
-		$(DESTDIR)$(PREFIX)/bin/carla-control
+		$(DESTDIR)$(PREFIX)/bin/carla-control \
+		$(X11_RC_DIR)/99cadence-session-start
 
 uninstall:
 	rm -f $(DESTDIR)$(PREFIX)/bin/cadence*
@@ -346,5 +358,6 @@ uninstall:
 	rm -f $(DESTDIR)$(PREFIX)/share/icons/hicolor/scalable/apps/claudia-launcher.svg
 	rm -f $(DESTDIR)$(PREFIX)/share/icons/hicolor/scalable/apps/carla.svg
 	rm -f $(DESTDIR)$(PREFIX)/share/icons/hicolor/scalable/apps/carla-control.svg
+	rm -f $(X11_RC_DIR)/99cadence-session-start
 	rm -rf $(DESTDIR)$(PREFIX)/lib/carla/
 	rm -rf $(DESTDIR)$(PREFIX)/share/cadence/

data/99cadence-session-start

@@ -0,0 +1,24 @@
+# Cadence Session Startup
+
+INSTALL_PREFIX="X-PREFIX-X"
+
+# Export Plugins PATHs
+LADSPA_PATH_str=`$INSTALL_PREFIX/bin/cadence-session-start --printLADSPA_PATH`
+DSSI_PATH_str=`$INSTALL_PREFIX/bin/cadence-session-start --printDSSI_PATH`
+LV2_PATH_str=`$INSTALL_PREFIX/bin/cadence-session-start --printLV2_PATH`
+VST_PATH_str=`$INSTALL_PREFIX/bin/cadence-session-start --printVST_PATH`
+
+export LADSPA_PATH="$LADSPA_PATH_str"
+export DSSI_PATH="$DSSI_PATH_str"
+export LV2_PATH="$LV2_PATH_str"
+export VST_PATH="$VST_PATH_str"
+
+# Start JACK (or not), according to user settings
+CADENCE_SESSION="$INSTALL_PREFIX/bin/cadence-session-start -s"
+exec $CADENCE_SESSION &
+
+unset LADSPA_PATH_str
+unset DSSI_PATH_str
+unset LV2_PATH_str
+unset VST_PATH_str
+unset INSTALL_PREFIX

data/cadence-session-start

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+if [ -f /usr/bin/python3 ]; then
+  PYTHON=/usr/bin/python3
+else
+  PYTHON=python
+fi
+
+INSTALL_PREFIX="X-PREFIX-X"
+exec $PYTHON $INSTALL_PREFIX/share/cadence/src/cadence_session_start.py "$@"

src/cadence_session_start.py

@@ -0,0 +1,127 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+# Imports (Global)
+import dbus, os, sys
+from PyQt4.QtCore import QCoreApplication, QProcess, QSettings
+from time import sleep
+
+# Imports (Custom Stuff)
+from shared import *
+
+# Cadence Global Settings
+GlobalSettings = QSettings("Cadence", "GlobalSettings")
+
+DEFAULT_LADSPA_PATH = "/usr/lib/ladspa:/usr/local/lib/ladspa:/usr/lib32/ladspa:"+HOME+"/.ladspa"
+DEFAULT_DSSI_PATH = "/usr/lib/dssi:/usr/local/lib/dssi:/usr/lib32/dssi:"+HOME+"/.dssi"
+DEFAULT_LV2_PATH  = "/usr/lib/lv2:/usr/local/lib/lv2:"+HOME+"/.lv2"
+DEFAULT_VST_PATH  = "/usr/lib/vst:/usr/local/lib/vst:/usr/lib32/vst:"+HOME+"/.vst"
+
+# DBus
+class DBus(object):
+    __slots__ = [
+      'bus',
+      'a2j',
+      'jack'
+    ]
+DBus = DBus()
+
+# Start JACK, A2J and Pulse, according to user settings
+def startSession():
+    pass
+
+def printLADSPA_PATH():
+    EXTRA_LADSPA_DIRS = GlobalSettings.value("AudioPlugins/EXTRA_LADSPA_PATH", "", type=str).split(":")
+    LADSPA_PATH_str = DEFAULT_LADSPA_PATH
+
+    for i in range(len(EXTRA_LADSPA_DIRS)):
+        if (EXTRA_LADSPA_DIRS[i]):
+            LADSPA_PATH_str += ":"+EXTRA_LADSPA_DIRS[i]
+
+    print(LADSPA_PATH_str)
+
+def printDSSI_PATH():
+    EXTRA_DSSI_DIRS = GlobalSettings.value("AudioPlugins/EXTRA_DSSI_PATH", "", type=str).split(":")
+    DSSI_PATH_str = DEFAULT_DSSI_PATH
+
+    for i in range(len(EXTRA_DSSI_DIRS)):
+        if (EXTRA_DSSI_DIRS[i]):
+            DSSI_PATH_str += ":"+EXTRA_DSSI_DIRS[i]
+
+    print(DSSI_PATH_str)
+
+def printLV2_PATH():
+    EXTRA_LV2_DIRS = GlobalSettings.value("AudioPlugins/EXTRA_LV2_PATH", "", type=str).split(":")
+    LV2_PATH_str = DEFAULT_LV2_PATH
+
+    for i in range(len(EXTRA_LV2_DIRS)):
+        if (EXTRA_LV2_DIRS[i]):
+            LV2_PATH_str += ":"+EXTRA_LV2_DIRS[i]
+
+    print(LV2_PATH_str)
+
+def printVST_PATH():
+    EXTRA_VST_DIRS = GlobalSettings.value("AudioPlugins/EXTRA_VST_PATH", "", type=str).split(":")
+    VST_PATH_str = DEFAULT_VST_PATH
+
+    for i in range(len(EXTRA_VST_DIRS)):
+      if (EXTRA_VST_DIRS[i]):
+        VST_PATH_str += ":"+EXTRA_VST_DIRS[i]
+
+    print(VST_PATH_str)
+
+def printArguments():
+    print("\t-s|--start  \tStart session")
+    print("")
+    print("\t-h|--help   \tShow this help message")
+    print("\t-v|--version\tShow version")
+
+def printError(cmd):
+    print("Invalid arguments")
+    print("Run '%s -h' for help" % (cmd))
+
+def printHelp(cmd):
+    print("Usage: %s [cmd]" % (cmd))
+    printArguments()
+
+def printVersion():
+    print("Cadence version %s" % (VERSION))
+    print("Developed by falkTX and the rest of the KXStudio Team")
+
+#--------------- main ------------------
+if __name__ == '__main__':
+    # App initialization
+    app = QCoreApplication(sys.argv)
+    app.setApplicationName("Cadence")
+    app.setApplicationVersion(VERSION)
+    app.setOrganizationName("Cadence")
+
+    # Check arguments
+    cmd = sys.argv[0]
+
+    if len(app.arguments()) == 1:
+        printHelp(cmd)
+    elif len(app.arguments()) == 2:
+        arg = app.arguments()[1]
+        if arg == "--printLADSPA_PATH":
+            printLADSPA_PATH()
+        elif arg == "--printDSSI_PATH":
+            printDSSI_PATH()
+        elif arg == "--printLV2_PATH":
+            printLV2_PATH()
+        elif arg == "--printVST_PATH":
+            printVST_PATH()
+        elif arg in ["-s", "--s", "-start", "--start"]:
+            sys.exit(startSession())
+        elif arg in ["-h", "--h", "-help", "--help"]:
+            printHelp(cmd)
+        elif arg in ["-v", "--v", "-version", "--version"]:
+            printVersion()
+        else:
+            printError(cmd)
+    else:
+        printError(cmd)
+
+    # Exit
+    sys.exit(0)
+