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Carla
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Audio plugin host https://kx.studio/carla
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Carla/source/carla.py

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  1. #!/usr/bin/env python3

  2. # -*- coding: utf-8 -*-

  3. 

  4. # Carla plugin host

  5. # Copyright (C) 2011-2013 Filipe Coelho <falktx@falktx.com>

  6. #

  7. # This program is free software; you can redistribute it and/or

  8. # modify it under the terms of the GNU General Public License as

  9. # published by the Free Software Foundation; either version 2 of

  10. # the License, or any later version.

  11. #

  12. # This program is distributed in the hope that it will be useful,

  13. # but WITHOUT ANY WARRANTY; without even the implied warranty of

  14. # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

  15. # GNU General Public License for more details.

  16. #

  17. # For a full copy of the GNU General Public License see the GPL.txt file

  18. 

  19. # ------------------------------------------------------------------------------------------------------------

  20. # Imports (Global)

  21. 

  22. from PyQt4.QtCore import Qt, QSize

  23. from PyQt4.QtGui import QApplication, QDialogButtonBox, QMainWindow

  24. 

  25. # ------------------------------------------------------------------------------------------------------------

  26. # Imports (Custom Stuff)

  27. 

  28. import ui_carla

  29. import ui_carla_settings

  30. from carla_backend import * # FIXME, remove later

  31. #from carla_shared import *

  32. 

  33. # ------------------------------------------------------------------------------------------------------------

  34. # Global variables

  35. 

  36. # Tab indexes

  37. TAB_INDEX_MAIN         = 0

  38. TAB_INDEX_CANVAS       = 1

  39. TAB_INDEX_CARLA_ENGINE = 2

  40. TAB_INDEX_CARLA_PATHS  = 3

  41. TAB_INDEX_NONE         = 4

  42. 

  43. # Single and Multiple client mode is only for JACK,

  44. # but we still want to match QComboBox index to defines,

  45. # so add +2 pos padding if driverName != "JACK".

  46. PROCESS_MODE_NON_JACK_PADDING = 2

  47. 

  48. # Carla defaults

  49. CARLA_DEFAULT_PROCESS_HIGH_PRECISION = False

  50. CARLA_DEFAULT_MAX_PARAMETERS         = 200

  51. CARLA_DEFAULT_FORCE_STEREO           = False

  52. CARLA_DEFAULT_USE_DSSI_VST_CHUNKS    = False

  53. CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES  = False

  54. CARLA_DEFAULT_PREFER_UI_BRIDGES      = True

  55. CARLA_DEFAULT_OSC_UI_TIMEOUT         = 4000

  56. CARLA_DEFAULT_DISABLE_CHECKS         = False

  57. 

  58. # PatchCanvas defines

  59. CANVAS_ANTIALIASING_SMALL = 1

  60. CANVAS_EYECANDY_SMALL     = 1

  61. 

  62. # ------------------------------------------------------------------------------------------------------------

  63. # Settings Dialog

  64. 

  65. class CarlaSettingsW(QDialog):

  66.     def __init__(self, parent):

  67.         QDialog.__init__(self, parent)

  68.         self.ui = ui_carla_settings.Ui_CarlaSettingsW()

  69.         self.ui.setupUi(self)

  70. 

  71.         # TODO

  72.         self.ui.lw_page.hideRow(TAB_INDEX_CANVAS)

  73. 

  74.         # -------------------------------------------------------------

  75.         # Load settings

  76. 

  77.         self.loadSettings()

  78. 

  79.         # -------------------------------------------------------------

  80.         # Set-up GUI

  81. 

  82.         driverCount = Carla.host.get_engine_driver_count()

  83. 

  84.         for i in range(driverCount):

  85.             driverName = cString(Carla.host.get_engine_driver_name(i))

  86.             self.ui.cb_engine_audio_driver.addItem(driverName)

  87. 

  88.         #if not hasOpenGL:

  89.             #self.cb_canvas_use_opengl.setChecked(False)

  90.             #self.cb_canvas_use_opengl.setEnabled(False)

  91. 

  92.         # -------------------------------------------------------------

  93.         # Set-up connections

  94. 

  95.         self.connect(self, SIGNAL("accepted()"), SLOT("slot_saveSettings()"))

  96.         self.connect(self.ui.buttonBox.button(QDialogButtonBox.Reset), SIGNAL("clicked()"), SLOT("slot_resetSettings()"))

  97. 

  98.         self.connect(self.ui.b_main_def_folder_open, SIGNAL("clicked()"), SLOT("slot_getAndSetProjectPath()"))

  99.         self.connect(self.ui.cb_engine_audio_driver, SIGNAL("currentIndexChanged(int)"), SLOT("slot_engineAudioDriverChanged()"))

  100.         self.connect(self.ui.b_paths_add, SIGNAL("clicked()"), SLOT("slot_addPluginPath()"))

  101.         self.connect(self.ui.b_paths_remove, SIGNAL("clicked()"), SLOT("slot_removePluginPath()"))

  102.         self.connect(self.ui.b_paths_change, SIGNAL("clicked()"), SLOT("slot_changePluginPath()"))

  103.         self.connect(self.ui.tw_paths, SIGNAL("currentChanged(int)"), SLOT("slot_pluginPathTabChanged(int)"))

  104.         self.connect(self.ui.lw_ladspa, SIGNAL("currentRowChanged(int)"), SLOT("slot_pluginPathRowChanged(int)"))

  105.         self.connect(self.ui.lw_dssi, SIGNAL("currentRowChanged(int)"), SLOT("slot_pluginPathRowChanged(int)"))

  106.         self.connect(self.ui.lw_lv2, SIGNAL("currentRowChanged(int)"), SLOT("slot_pluginPathRowChanged(int)"))

  107.         self.connect(self.ui.lw_vst, SIGNAL("currentRowChanged(int)"), SLOT("slot_pluginPathRowChanged(int)"))

  108.         self.connect(self.ui.lw_sf2, SIGNAL("currentRowChanged(int)"), SLOT("slot_pluginPathRowChanged(int)"))

  109. 

  110.         # -------------------------------------------------------------

  111.         # Post-connect setup

  112. 

  113.         self.ui.lw_ladspa.setCurrentRow(0)

  114.         self.ui.lw_dssi.setCurrentRow(0)

  115.         self.ui.lw_lv2.setCurrentRow(0)

  116.         self.ui.lw_vst.setCurrentRow(0)

  117.         self.ui.lw_gig.setCurrentRow(0)

  118.         self.ui.lw_sf2.setCurrentRow(0)

  119.         self.ui.lw_sfz.setCurrentRow(0)

  120.         #QTimer.singleShot(0, self, )

  121.         #self.slot_pluginPathTabChanged(self.tw_paths.currentIndex())

  122. 

  123.         self.ui.lw_page.setCurrentCell(0, 0)

  124. 

  125.     def loadSettings(self):

  126.         settings = QSettings()

  127. 

  128.         # ---------------------------------------

  129. 

  130.         self.ui.le_main_def_folder.setText(settings.value("Main/DefaultProjectFolder", HOME, type=str))

  131.         self.ui.sb_gui_refresh.setValue(settings.value("Main/RefreshInterval", 50, type=int))

  132. 

  133.         # ---------------------------------------

  134. 

  135.         self.ui.cb_canvas_hide_groups.setChecked(settings.value("Canvas/AutoHideGroups", False, type=bool))

  136.         self.ui.cb_canvas_bezier_lines.setChecked(settings.value("Canvas/UseBezierLines", True, type=bool))

  137.         self.ui.cb_canvas_eyecandy.setCheckState(settings.value("Canvas/EyeCandy", CANVAS_EYECANDY_SMALL, type=int))

  138.         self.ui.cb_canvas_use_opengl.setChecked(settings.value("Canvas/UseOpenGL", False, type=bool))

  139.         self.ui.cb_canvas_render_aa.setCheckState(settings.value("Canvas/Antialiasing", CANVAS_ANTIALIASING_SMALL, type=int))

  140.         self.ui.cb_canvas_render_hq_aa.setChecked(settings.value("Canvas/HighQualityAntialiasing", False, type=bool))

  141. 

  142.         #themeName = settings.value("Canvas/Theme", getDefaultThemeName(), type=str)

  143. 

  144.         #for i in range(Theme.THEME_MAX):

  145.             #thisThemeName = getThemeName(i)

  146.             #self.ui.cb_canvas_theme.addItem(thisThemeName)

  147.             #if thisThemeName == themeName:

  148.                 #self.ui.cb_canvas_theme.setCurrentIndex(i)

  149. 

  150.         # --------------------------------------------

  151. 

  152.         audioDriver = settings.value("Engine/AudioDriver", "JACK", type=str)

  153.         for i in range(self.ui.cb_engine_audio_driver.count()):

  154.             if self.ui.cb_engine_audio_driver.itemText(i) == audioDriver:

  155.                 self.ui.cb_engine_audio_driver.setCurrentIndex(i)

  156.                 break

  157.         else:

  158.             self.ui.cb_engine_audio_driver.setCurrentIndex(-1)

  159. 

  160.         if audioDriver == "JACK":

  161.             processModeIndex = settings.value("Engine/ProcessMode", PROCESS_MODE_MULTIPLE_CLIENTS, type=int)

  162.             self.ui.cb_engine_process_mode_jack.setCurrentIndex(processModeIndex)

  163.             self.ui.sw_engine_process_mode.setCurrentIndex(0)

  164.         else:

  165.             processModeIndex  = settings.value("Engine/ProcessMode", PROCESS_MODE_CONTINUOUS_RACK, type=int)

  166.             processModeIndex -= PROCESS_MODE_NON_JACK_PADDING

  167.             self.ui.cb_engine_process_mode_other.setCurrentIndex(processModeIndex)

  168.             self.ui.sw_engine_process_mode.setCurrentIndex(1)

  169. 

  170.         self.ui.sb_engine_max_params.setValue(settings.value("Engine/MaxParameters", CARLA_DEFAULT_MAX_PARAMETERS, type=int))

  171.         self.ui.ch_engine_prefer_ui_bridges.setChecked(settings.value("Engine/PreferUiBridges", CARLA_DEFAULT_PREFER_UI_BRIDGES, type=bool))

  172.         self.ui.sb_engine_oscgui_timeout.setValue(settings.value("Engine/OscUiTimeout", CARLA_DEFAULT_OSC_UI_TIMEOUT, type=int))

  173.         self.ui.ch_engine_disable_checks.setChecked(settings.value("Engine/DisableChecks", CARLA_DEFAULT_DISABLE_CHECKS, type=bool))

  174.         self.ui.ch_engine_dssi_chunks.setChecked(settings.value("Engine/UseDssiVstChunks", CARLA_DEFAULT_USE_DSSI_VST_CHUNKS, type=bool))

  175.         self.ui.ch_engine_prefer_plugin_bridges.setChecked(settings.value("Engine/PreferPluginBridges", CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, type=bool))

  176.         self.ui.ch_engine_force_stereo.setChecked(settings.value("Engine/ForceStereo", CARLA_DEFAULT_FORCE_STEREO, type=bool))

  177. 

  178.         # --------------------------------------------

  179. 

  180.         ladspas = toList(settings.value("Paths/LADSPA", Carla.LADSPA_PATH))

  181.         dssis = toList(settings.value("Paths/DSSI", Carla.DSSI_PATH))

  182.         lv2s = toList(settings.value("Paths/LV2", Carla.LV2_PATH))

  183.         vsts = toList(settings.value("Paths/VST", Carla.VST_PATH))

  184.         gigs = toList(settings.value("Paths/GIG", Carla.GIG_PATH))

  185.         sf2s = toList(settings.value("Paths/SF2", Carla.SF2_PATH))

  186.         sfzs = toList(settings.value("Paths/SFZ", Carla.SFZ_PATH))

  187. 

  188.         ladspas.sort()

  189.         dssis.sort()

  190.         lv2s.sort()

  191.         vsts.sort()

  192.         gigs.sort()

  193.         sf2s.sort()

  194.         sfzs.sort()

  195. 

  196.         for ladspa in ladspas:

  197.             self.ui.lw_ladspa.addItem(ladspa)

  198. 

  199.         for dssi in dssis:

  200.             self.ui.lw_dssi.addItem(dssi)

  201. 

  202.         for lv2 in lv2s:

  203.             self.ui.lw_lv2.addItem(lv2)

  204. 

  205.         for vst in vsts:

  206.             self.ui.lw_vst.addItem(vst)

  207. 

  208.         for gig in gigs:

  209.             self.ui.lw_gig.addItem(gig)

  210. 

  211.         for sf2 in sf2s:

  212.             self.ui.lw_sf2.addItem(sf2)

  213. 

  214.         for sfz in sfzs:

  215.             self.ui.lw_sfz.addItem(sfz)

  216. 

  217.     @pyqtSlot()

  218.     def slot_saveSettings(self):

  219.         settings = QSettings()

  220. 

  221.         # ---------------------------------------

  222. 

  223.         settings.setValue("Main/RefreshInterval", self.ui.sb_gui_refresh.value())

  224.         settings.setValue("Main/DefaultProjectFolder", self.ui.le_main_def_folder.text())

  225. 

  226.         # ---------------------------------------

  227. 

  228.         #settings.setValue("Canvas/Theme", self.ui.cb_canvas_theme.currentText())

  229.         #settings.setValue("Canvas/AutoHideGroups", self.ui.cb_canvas_hide_groups.isChecked())

  230.         #settings.setValue("Canvas/UseBezierLines", self.ui.cb_canvas_bezier_lines.isChecked())

  231.         #settings.setValue("Canvas/UseOpenGL", self.ui.cb_canvas_use_opengl.isChecked())

  232.         #settings.setValue("Canvas/HighQualityAntialiasing", self.ui.cb_canvas_render_hq_aa.isChecked())

  233. 

  234.         ## 0, 1, 2 match their enum variants

  235.         #settings.setValue("Canvas/EyeCandy", self.ui.cb_canvas_eyecandy.checkState())

  236.         #settings.setValue("Canvas/Antialiasing", self.ui.cb_canvas_render_aa.checkState())

  237. 

  238.         # --------------------------------------------

  239. 

  240.         audioDriver = self.ui.cb_engine_audio_driver.currentText()

  241.         settings.setValue("Engine/AudioDriver", audioDriver)

  242. 

  243.         if audioDriver == "JACK":

  244.             settings.setValue("Engine/ProcessMode", self.ui.cb_engine_process_mode_jack.currentIndex())

  245.         else:

  246.             settings.setValue("Engine/ProcessMode", self.ui.cb_engine_process_mode_other.currentIndex()+PROCESS_MODE_NON_JACK_PADDING)

  247. 

  248.         settings.setValue("Engine/MaxParameters", self.ui.sb_engine_max_params.value())

  249.         settings.setValue("Engine/PreferUiBridges", self.ui.ch_engine_prefer_ui_bridges.isChecked())

  250.         settings.setValue("Engine/OscUiTimeout", self.ui.sb_engine_oscgui_timeout.value())

  251.         settings.setValue("Engine/DisableChecks", self.ui.ch_engine_disable_checks.isChecked())

  252.         settings.setValue("Engine/UseDssiVstChunks", self.ui.ch_engine_dssi_chunks.isChecked())

  253.         settings.setValue("Engine/PreferPluginBridges", self.ui.ch_engine_prefer_plugin_bridges.isChecked())

  254.         settings.setValue("Engine/ForceStereo", self.ui.ch_engine_force_stereo.isChecked())

  255. 

  256.         # --------------------------------------------

  257. 

  258.         # FIXME - find a cleaner way to do this, *.items() ?

  259.         ladspas = []

  260.         dssis = []

  261.         lv2s = []

  262.         vsts = []

  263.         gigs = []

  264.         sf2s = []

  265.         sfzs = []

  266. 

  267.         for i in range(self.ui.lw_ladspa.count()):

  268.             ladspas.append(self.ui.lw_ladspa.item(i).text())

  269. 

  270.         for i in range(self.ui.lw_dssi.count()):

  271.             dssis.append(self.ui.lw_dssi.item(i).text())

  272. 

  273.         for i in range(self.ui.lw_lv2.count()):

  274.             lv2s.append(self.ui.lw_lv2.item(i).text())

  275. 

  276.         for i in range(self.ui.lw_vst.count()):

  277.             vsts.append(self.ui.lw_vst.item(i).text())

  278. 

  279.         for i in range(self.ui.lw_gig.count()):

  280.             gigs.append(self.ui.lw_gig.item(i).text())

  281. 

  282.         for i in range(self.ui.lw_sf2.count()):

  283.             sf2s.append(self.ui.lw_sf2.item(i).text())

  284. 

  285.         for i in range(self.ui.lw_sfz.count()):

  286.             sfzs.append(self.ui.lw_sfz.item(i).text())

  287. 

  288.         settings.setValue("Paths/LADSPA", ladspas)

  289.         settings.setValue("Paths/DSSI", dssis)

  290.         settings.setValue("Paths/LV2", lv2s)

  291.         settings.setValue("Paths/VST", vsts)

  292.         settings.setValue("Paths/GIG", gigs)

  293.         settings.setValue("Paths/SF2", sf2s)

  294.         settings.setValue("Paths/SFZ", sfzs)

  295. 

  296.     @pyqtSlot()

  297.     def slot_resetSettings(self):

  298.         if self.ui.lw_page.currentRow() == TAB_INDEX_MAIN:

  299.             self.ui.le_main_def_folder.setText(HOME)

  300.             self.ui.sb_gui_refresh.setValue(50)

  301. 

  302.         elif self.ui.lw_page.currentRow() == TAB_INDEX_CANVAS:

  303.             self.ui.cb_canvas_theme.setCurrentIndex(0)

  304.             self.ui.cb_canvas_hide_groups.setChecked(False)

  305.             self.ui.cb_canvas_bezier_lines.setChecked(True)

  306.             self.ui.cb_canvas_eyecandy.setCheckState(Qt.PartiallyChecked)

  307.             self.ui.cb_canvas_use_opengl.setChecked(False)

  308.             self.ui.cb_canvas_render_aa.setCheckState(Qt.PartiallyChecked)

  309.             self.ui.cb_canvas_render_hq_aa.setChecked(False)

  310. 

  311.         elif self.ui.lw_page.currentRow() == TAB_INDEX_CARLA_ENGINE:

  312.             self.ui.cb_engine_audio_driver.setCurrentIndex(0)

  313.             self.ui.sb_engine_max_params.setValue(CARLA_DEFAULT_MAX_PARAMETERS)

  314.             self.ui.ch_engine_prefer_ui_bridges.setChecked(CARLA_DEFAULT_PREFER_UI_BRIDGES)

  315.             self.ui.sb_engine_oscgui_timeout.setValue(CARLA_DEFAULT_OSC_UI_TIMEOUT)

  316.             self.ui.ch_engine_disable_checks.setChecked(CARLA_DEFAULT_DISABLE_CHECKS)

  317.             self.ui.ch_engine_dssi_chunks.setChecked(CARLA_DEFAULT_USE_DSSI_VST_CHUNKS)

  318.             self.ui.ch_engine_prefer_plugin_bridges.setChecked(CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES)

  319.             self.ui.ch_engine_force_stereo.setChecked(CARLA_DEFAULT_FORCE_STEREO)

  320. 

  321.             if self.ui.cb_engine_audio_driver.currentText() == "JACK":

  322.                 self.ui.cb_engine_process_mode_jack.setCurrentIndex(PROCESS_MODE_MULTIPLE_CLIENTS)

  323.                 self.ui.sw_engine_process_mode.setCurrentIndex(0)

  324.             else:

  325.                 self.ui.cb_engine_process_mode_other.setCurrentIndex(PROCESS_MODE_CONTINUOUS_RACK-PROCESS_MODE_NON_JACK_PADDING)

  326.                 self.ui.sw_engine_process_mode.setCurrentIndex(1)

  327. 

  328.         elif self.ui.lw_page.currentRow() == TAB_INDEX_CARLA_PATHS:

  329.             if self.ui.tw_paths.currentIndex() == 0:

  330.                 Carla.LADSPA_PATH.sort()

  331.                 self.ui.lw_ladspa.clear()

  332. 

  333.                 for ladspa in Carla.LADSPA_PATH:

  334.                     self.ui.lw_ladspa.addItem(ladspa)

  335. 

  336.             elif self.ui.tw_paths.currentIndex() == 1:

  337.                 Carla.DSSI_PATH.sort()

  338.                 self.ui.lw_dssi.clear()

  339. 

  340.                 for dssi in Carla.DSSI_PATH:

  341.                     self.ui.lw_dssi.addItem(dssi)

  342. 

  343.             elif self.ui.tw_paths.currentIndex() == 2:

  344.                 Carla.LV2_PATH.sort()

  345.                 self.ui.lw_lv2.clear()

  346. 

  347.                 for lv2 in Carla.LV2_PATH:

  348.                     self.ui.lw_lv2.addItem(lv2)

  349. 

  350.             elif self.ui.tw_paths.currentIndex() == 3:

  351.                 Carla.VST_PATH.sort()

  352.                 self.ui.lw_vst.clear()

  353. 

  354.                 for vst in Carla.VST_PATH:

  355.                     self.ui.lw_vst.addItem(vst)

  356. 

  357.             elif self.ui.tw_paths.currentIndex() == 4:

  358.                 Carla.GIG_PATH.sort()

  359.                 self.ui.lw_gig.clear()

  360. 

  361.                 for gig in Carla.GIG_PATH:

  362.                     self.ui.lw_gig.addItem(gig)

  363. 

  364.             elif self.ui.tw_paths.currentIndex() == 5:

  365.                 Carla.SF2_PATH.sort()

  366.                 self.ui.lw_sf2.clear()

  367. 

  368.                 for sf2 in Carla.SF2_PATH:

  369.                     self.ui.lw_sf2.addItem(sf2)

  370. 

  371.             elif self.ui.tw_paths.currentIndex() == 6:

  372.                 Carla.SFZ_PATH.sort()

  373.                 self.ui.lw_sfz.clear()

  374. 

  375.                 for sfz in Carla.SFZ_PATH:

  376.                     self.ui.lw_sfz.addItem(sfz)

  377. 

  378.     @pyqtSlot()

  379.     def slot_getAndSetProjectPath(self):

  380.         pass #getAndSetPath(self, self.le_main_def_folder.text(), self.le_main_def_folder)

  381. 

  382.     @pyqtSlot()

  383.     def slot_engineAudioDriverChanged(self):

  384.         if self.ui.cb_engine_audio_driver.currentText() == "JACK":

  385.             self.ui.sw_engine_process_mode.setCurrentIndex(0)

  386.         else:

  387.             self.ui.sw_engine_process_mode.setCurrentIndex(1)

  388. 

  389.     @pyqtSlot()

  390.     def slot_addPluginPath(self):

  391.         newPath = QFileDialog.getExistingDirectory(self, self.tr("Add Path"), "", QFileDialog.ShowDirsOnly)

  392.         if newPath:

  393.             if self.ui.tw_paths.currentIndex() == 0:

  394.                 self.ui.lw_ladspa.addItem(newPath)

  395.             elif self.ui.tw_paths.currentIndex() == 1:

  396.                 self.ui.lw_dssi.addItem(newPath)

  397.             elif self.ui.tw_paths.currentIndex() == 2:

  398.                 self.ui.lw_lv2.addItem(newPath)

  399.             elif self.ui.tw_paths.currentIndex() == 3:

  400.                 self.ui.lw_vst.addItem(newPath)

  401.             elif self.ui.tw_paths.currentIndex() == 4:

  402.                 self.ui.lw_gig.addItem(newPath)

  403.             elif self.ui.tw_paths.currentIndex() == 5:

  404.                 self.ui.lw_sf2.addItem(newPath)

  405.             elif self.ui.tw_paths.currentIndex() == 6:

  406.                 self.ui.lw_sfz.addItem(newPath)

  407. 

  408.     @pyqtSlot()

  409.     def slot_removePluginPath(self):

  410.         if self.ui.tw_paths.currentIndex() == 0:

  411.             self.ui.lw_ladspa.takeItem(self.ui.lw_ladspa.currentRow())

  412.         elif self.ui.tw_paths.currentIndex() == 1:

  413.             self.ui.lw_dssi.takeItem(self.ui.lw_dssi.currentRow())

  414.         elif self.ui.tw_paths.currentIndex() == 2:

  415.             self.ui.lw_lv2.takeItem(self.ui.lw_lv2.currentRow())

  416.         elif self.ui.tw_paths.currentIndex() == 3:

  417.             self.ui.lw_vst.takeItem(self.ui.lw_vst.currentRow())

  418.         elif self.ui.tw_paths.currentIndex() == 4:

  419.             self.ui.lw_gig.takeItem(self.ui.lw_gig.currentRow())

  420.         elif self.ui.tw_paths.currentIndex() == 5:

  421.             self.ui.lw_sf2.takeItem(self.ui.lw_sf2.currentRow())

  422.         elif self.ui.tw_paths.currentIndex() == 6:

  423.             self.ui.lw_sfz.takeItem(self.ui.lw_sfz.currentRow())

  424. 

  425.     @pyqtSlot()

  426.     def slot_changePluginPath(self):

  427.         if self.ui.tw_paths.currentIndex() == 0:

  428.             currentPath = self.ui.lw_ladspa.currentItem().text()

  429.         elif self.ui.tw_paths.currentIndex() == 1:

  430.             currentPath = self.ui.lw_dssi.currentItem().text()

  431.         elif self.ui.tw_paths.currentIndex() == 2:

  432.             currentPath = self.ui.lw_lv2.currentItem().text()

  433.         elif self.ui.tw_paths.currentIndex() == 3:

  434.             currentPath = self.ui.lw_vst.currentItem().text()

  435.         elif self.ui.tw_paths.currentIndex() == 4:

  436.             currentPath = self.ui.lw_gig.currentItem().text()

  437.         elif self.ui.tw_paths.currentIndex() == 5:

  438.             currentPath = self.ui.lw_sf2.currentItem().text()

  439.         elif self.ui.tw_paths.currentIndex() == 6:

  440.             currentPath = self.ui.lw_sfz.currentItem().text()

  441.         else:

  442.             currentPath = ""

  443. 

  444.         newPath = QFileDialog.getExistingDirectory(self, self.tr("Add Path"), currentPath, QFileDialog.ShowDirsOnly)

  445.         if newPath:

  446.             if self.ui.tw_paths.currentIndex() == 0:

  447.                 self.ui.lw_ladspa.currentItem().setText(newPath)

  448.             elif self.ui.tw_paths.currentIndex() == 1:

  449.                 self.ui.lw_dssi.currentItem().setText(newPath)

  450.             elif self.ui.tw_paths.currentIndex() == 2:

  451.                 self.ui.lw_lv2.currentItem().setText(newPath)

  452.             elif self.ui.tw_paths.currentIndex() == 3:

  453.                 self.ui.lw_vst.currentItem().setText(newPath)

  454.             elif self.ui.tw_paths.currentIndex() == 4:

  455.                 self.ui.lw_gig.currentItem().setText(newPath)

  456.             elif self.ui.tw_paths.currentIndex() == 5:

  457.                 self.ui.lw_sf2.currentItem().setText(newPath)

  458.             elif self.ui.tw_paths.currentIndex() == 6:

  459.                 self.ui.lw_sfz.currentItem().setText(newPath)

  460. 

  461.     @pyqtSlot(int)

  462.     def slot_pluginPathTabChanged(self, index):

  463.         if index == 0:

  464.             row = self.ui.lw_ladspa.currentRow()

  465.         elif index == 1:

  466.             row = self.ui.lw_dssi.currentRow()

  467.         elif index == 2:

  468.             row = self.ui.lw_lv2.currentRow()

  469.         elif index == 3:

  470.             row = self.ui.lw_vst.currentRow()

  471.         elif index == 4:

  472.             row = self.ui.lw_gig.currentRow()

  473.         elif index == 5:

  474.             row = self.ui.lw_sf2.currentRow()

  475.         elif index == 6:

  476.             row = self.ui.lw_sfz.currentRow()

  477.         else:

  478.             row = -1

  479. 

  480.         check = bool(row >= 0)

  481.         self.ui.b_paths_remove.setEnabled(check)

  482.         self.ui.b_paths_change.setEnabled(check)

  483. 

  484.     @pyqtSlot(int)

  485.     def slot_pluginPathRowChanged(self, row):

  486.         check = bool(row >= 0)

  487.         self.ui.b_paths_remove.setEnabled(check)

  488.         self.ui.b_paths_change.setEnabled(check)

  489. 

  490.     def done(self, r):

  491.         QDialog.done(self, r)

  492.         self.close()

  493. 

  494. # ------------------------------------------------------------------------------------------------------------

  495. # Main Window

  496. 

  497. class CarlaMainW(QMainWindow):

  498.     def __init__(self, parent=None):

  499.         QMainWindow.__init__(self, parent)

  500.         self.ui =  ui_carla.Ui_CarlaMainW()

  501.         self.ui.setupUi(self)

  502. 

  503.         # -------------------------------------------------------------

  504.         # Load Settings

  505. 

  506.         self.loadSettings(True)

  507.         self.loadRDFs()

  508. 

  509.         self.setStyleSheet("""

  510.           QWidget#centralwidget {

  511.             background-color: qlineargradient(spread:pad,

  512.                 x1:0.0, y1:0.0,

  513.                 x2:0.2, y2:1.0,

  514.                 stop:0 rgb( 7,  7,  7),

  515.                 stop:1 rgb(28, 28, 28)

  516.             );

  517.           }

  518.         """)

  519. 

  520.         # -------------------------------------------------------------

  521.         # Internal stuff

  522. 

  523.         self.fEngineStarted   = False

  524.         self.fFirstEngineInit = False

  525. 

  526.         self.fProjectFilename = None

  527.         self.fProjectLoading  = False

  528. 

  529.         self.fPluginCount = 0

  530.         self.fPluginList  = []

  531. 

  532.         self.fIdleTimerFast = 0

  533.         self.fIdleTimerSlow = 0

  534. 

  535.         #self._nsmAnnounce2str = ""

  536.         #self._nsmOpen1str = ""

  537.         #self._nsmOpen2str = ""

  538.         #self.nsm_server = None

  539.         #self.nsm_url = None

  540. 

  541.         # -------------------------------------------------------------

  542.         # Set-up GUI stuff

  543. 

  544.         self.ui.act_engine_start.setEnabled(False)

  545.         self.ui.act_engine_stop.setEnabled(False)

  546.         self.ui.act_plugin_remove_all.setEnabled(False)

  547. 

  548.         self.resize(self.width(), 0)

  549. 

  550.         #self.m_fakeEdit = PluginEdit(self, -1)

  551.         #self.m_curEdit  = self.m_fakeEdit

  552.         #self.w_edit.layout().addWidget(self.m_curEdit)

  553.         #self.w_edit.layout().addStretch()

  554. 

  555.         # -------------------------------------------------------------

  556.         # Connect actions to functions

  557. 

  558.         self.connect(self.ui.act_file_new, SIGNAL("triggered()"), SLOT("slot_fileNew()"))

  559.         self.connect(self.ui.act_file_open, SIGNAL("triggered()"), SLOT("slot_fileOpen()"))

  560.         self.connect(self.ui.act_file_save, SIGNAL("triggered()"), SLOT("slot_fileSave()"))

  561.         self.connect(self.ui.act_file_save_as, SIGNAL("triggered()"), SLOT("slot_fileSaveAs()"))

  562. 

  563.         self.connect(self.ui.act_engine_start, SIGNAL("triggered()"), SLOT("slot_engineStart()"))

  564.         self.connect(self.ui.act_engine_stop, SIGNAL("triggered()"), SLOT("slot_engineStop()"))

  565. 

  566.         self.connect(self.ui.act_plugin_add, SIGNAL("triggered()"), SLOT("slot_pluginAdd()"))

  567.         self.connect(self.ui.act_plugin_remove_all, SIGNAL("triggered()"), SLOT("slot_pluginRemoveAll()"))

  568. 

  569.         self.connect(self.ui.act_settings_configure, SIGNAL("triggered()"), SLOT("slot_configureCarla()"))

  570.         self.connect(self.ui.act_help_about, SIGNAL("triggered()"), SLOT("slot_aboutCarla()"))

  571.         self.connect(self.ui.act_help_about_qt, SIGNAL("triggered()"), app, SLOT("aboutQt()"))

  572. 

  573.         self.connect(self.ui.ch_transport, SIGNAL("currentIndexChanged(int)"), SLOT("slot_transportModeChanged(int)"))

  574.         self.connect(self.ui.b_transport_play, SIGNAL("clicked(bool)"), SLOT("slot_transportPlayPause(bool)"))

  575.         self.connect(self.ui.b_transport_stop, SIGNAL("clicked()"), SLOT("slot_transportStop()"))

  576. 

  577.         self.connect(self, SIGNAL("SIGUSR1()"), SLOT("slot_handleSIGUSR1()"))

  578.         self.connect(self, SIGNAL("SIGTERM()"), SLOT("slot_handleSIGTERM()"))

  579. 

  580.         self.connect(self, SIGNAL("DebugCallback(int, int, int, double, QString)"), SLOT("slot_handleDebugCallback(int, int, int, double, QString)"))

  581.         self.connect(self, SIGNAL("PluginAddedCallback(int)"), SLOT("slot_handlePluginAddedCallback(int)"))

  582.         self.connect(self, SIGNAL("PluginRemovedCallback(int)"), SLOT("slot_handlePluginRemovedCallback(int)"))

  583.         self.connect(self, SIGNAL("ParameterValueChangedCallback(int, int, double)"), SLOT("slot_handleParameterValueChangedCallback(int, int, double)"))

  584.         self.connect(self, SIGNAL("ParameterDefaultChangedCallback(int, int, double)"), SLOT("slot_handleParameterDefaultChangedCallback(int, int, double)"))

  585.         self.connect(self, SIGNAL("ParameterMidiChannelChangedCallback(int, int, int)"), SLOT("slot_handleParameterMidiChannelChangedCallback(int, int, int)"))

  586.         self.connect(self, SIGNAL("ParameterMidiCcChangedCallback(int, int, int)"), SLOT("slot_handleParameterMidiCcChangedCallback(int, int, int)"))

  587.         self.connect(self, SIGNAL("ProgramChangedCallback(int, int)"), SLOT("slot_handleProgramChangedCallback(int, int)"))

  588.         self.connect(self, SIGNAL("MidiProgramChangedCallback(int, int)"), SLOT("slot_handleMidiProgramChangedCallback(int, int)"))

  589.         self.connect(self, SIGNAL("NoteOnCallback(int, int, int, int)"), SLOT("slot_handleNoteOnCallback(int, int, int, int)"))

  590.         self.connect(self, SIGNAL("NoteOffCallback(int, int, int)"), SLOT("slot_handleNoteOffCallback(int, int, int)"))

  591.         self.connect(self, SIGNAL("ShowGuiCallback(int, int)"), SLOT("slot_handleShowGuiCallback(int, int)"))

  592.         self.connect(self, SIGNAL("UpdateCallback(int)"), SLOT("slot_handleUpdateCallback(int)"))

  593.         self.connect(self, SIGNAL("ReloadInfoCallback(int)"), SLOT("slot_handleReloadInfoCallback(int)"))

  594.         self.connect(self, SIGNAL("ReloadParametersCallback(int)"), SLOT("slot_handleReloadParametersCallback(int)"))

  595.         self.connect(self, SIGNAL("ReloadProgramsCallback(int)"), SLOT("slot_handleReloadProgramsCallback(int)"))

  596.         self.connect(self, SIGNAL("ReloadAllCallback(int)"), SLOT("slot_handleReloadAllCallback(int)"))

  597.         #self.connect(self, SIGNAL("NSM_AnnounceCallback()"), SLOT("slot_handleNSM_AnnounceCallback()"))

  598.         #self.connect(self, SIGNAL("NSM_Open1Callback()"), SLOT("slot_handleNSM_Open1Callback()"))

  599.         #self.connect(self, SIGNAL("NSM_Open2Callback()"), SLOT("slot_handleNSM_Open2Callback()"))

  600.         #self.connect(self, SIGNAL("NSM_SaveCallback()"), SLOT("slot_handleNSM_SaveCallback()"))

  601.         self.connect(self, SIGNAL("ErrorCallback(QString)"), SLOT("slot_handleErrorCallback(QString)"))

  602.         self.connect(self, SIGNAL("QuitCallback()"), SLOT("slot_handleQuitCallback()"))

  603. 

  604.         #NSM_URL = os.getenv("NSM_URL")

  605. 

  606.         #if NSM_URL:

  607.             #Carla.host.nsm_announce(NSM_URL, os.getpid())

  608.         #else:

  609.         QTimer.singleShot(0, self, SLOT("slot_engineStart()"))

  610. 

  611.     def startEngine(self, clientName = "Carla"):

  612.         # ---------------------------------------------

  613.         # Engine settings

  614. 

  615.         settings = QSettings()

  616. 

  617.         Carla.processMode    = settings.value("Engine/ProcessMode", PROCESS_MODE_MULTIPLE_CLIENTS, type=int)

  618.         Carla.maxParameters  = settings.value("Engine/MaxParameters", MAX_DEFAULT_PARAMETERS, type=int)

  619. 

  620.         transportMode        = settings.value("Engine/TransportMode", TRANSPORT_MODE_JACK, type=int)

  621.         forceStereo          = settings.value("Engine/ForceStereo", False, type=bool)

  622.         preferPluginBridges  = settings.value("Engine/PreferPluginBridges", False, type=bool)

  623.         preferUiBridges      = settings.value("Engine/PreferUiBridges", True, type=bool)

  624.         useDssiVstChunks     = settings.value("Engine/UseDssiVstChunks", False, type=bool)

  625. 

  626.         oscUiTimeout         = settings.value("Engine/OscUiTimeout", 40, type=int)

  627.         preferredBufferSize  = settings.value("Engine/PreferredBufferSize", 512, type=int)

  628.         preferredSampleRate  = settings.value("Engine/PreferredSampleRate", 44100, type=int)

  629. 

  630.         if Carla.processMode == PROCESS_MODE_CONTINUOUS_RACK:

  631.             forceStereo = True

  632.         elif Carla.processMode == PROCESS_MODE_MULTIPLE_CLIENTS and os.getenv("LADISH_APP_NAME"):

  633.             print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  634.             Carla.processMode = PROCESS_MODE_SINGLE_CLIENT

  635. 

  636.         Carla.host.set_engine_option(OPTION_PROCESS_MODE, Carla.processMode, "")

  637.         Carla.host.set_engine_option(OPTION_MAX_PARAMETERS, Carla.maxParameters, "")

  638.         Carla.host.set_engine_option(OPTION_FORCE_STEREO, forceStereo, "")

  639.         Carla.host.set_engine_option(OPTION_PREFER_PLUGIN_BRIDGES, preferPluginBridges, "")

  640.         Carla.host.set_engine_option(OPTION_PREFER_UI_BRIDGES, preferUiBridges, "")

  641.         Carla.host.set_engine_option(OPTION_USE_DSSI_VST_CHUNKS, useDssiVstChunks, "")

  642.         Carla.host.set_engine_option(OPTION_OSC_UI_TIMEOUT, oscUiTimeout, "")

  643.         Carla.host.set_engine_option(OPTION_PREFERRED_BUFFER_SIZE, preferredBufferSize, "")

  644.         Carla.host.set_engine_option(OPTION_PREFERRED_SAMPLE_RATE, preferredSampleRate, "")

  645. 

  646.         # ---------------------------------------------

  647.         # Start

  648. 

  649.         audioDriver = settings.value("Engine/AudioDriver", "JACK", type=str)

  650. 

  651.         if not Carla.host.engine_init(audioDriver, clientName):

  652.             if self.fFirstEngineInit:

  653.                 self.fFirstEngineInit = False

  654.                 return

  655. 

  656.             audioError = cString(Carla.host.get_last_error())

  657. 

  658.             if audioError:

  659.                 QMessageBox.critical(self, self.tr("Error"), self.tr("Could not connect to Audio backend '%s', possible reasons:\n%s" % (audioDriver, audioError)))

  660.             else:

  661.                 QMessageBox.critical(self, self.tr("Error"), self.tr("Could not connect to Audio backend '%s'" % audioDriver))

  662.             return

  663. 

  664.         self.fEngineStarted   = True

  665.         self.fFirstEngineInit = False

  666. 

  667.         self.fPluginCount = 0

  668.         self.fPluginList  = []

  669. 

  670.         if Carla.processMode == PROCESS_MODE_CONTINUOUS_RACK:

  671.             maxCount = MAX_RACK_PLUGINS

  672.         elif Carla.processMode == PROCESS_MODE_PATCHBAY:

  673.             maxCount = MAX_PATCHBAY_PLUGINS

  674.         else:

  675.             maxCount = MAX_DEFAULT_PLUGINS

  676. 

  677.         self.ui.ch_transport.blockSignals(True)

  678.         self.ui.ch_transport.addItem(self.tr("Internal"))

  679. 

  680.         if audioDriver == "JACK":

  681.             self.ui.ch_transport.addItem(self.tr("JACK"))

  682.         elif transportMode == TRANSPORT_MODE_JACK:

  683.             transportMode = TRANSPORT_MODE_INTERNAL

  684. 

  685.         self.ui.ch_transport.setCurrentIndex(transportMode)

  686.         self.ui.ch_transport.blockSignals(False)

  687. 

  688.         for x in range(maxCount):

  689.             self.fPluginList.append(None)

  690. 

  691.         Carla.host.set_engine_option(OPTION_TRANSPORT_MODE, transportMode, "")

  692. 

  693.         # Peaks

  694.         self.fIdleTimerFast = self.startTimer(self.fSavedSettings["Main/RefreshInterval"])

  695.         # LEDs and edit dialog parameters

  696.         self.fIdleTimerSlow = self.startTimer(self.fSavedSettings["Main/RefreshInterval"]*2)

  697. 

  698.     def stopEngine(self):

  699.         if self.fPluginCount > 0:

  700.             ask = QMessageBox.question(self, self.tr("Warning"), self.tr("There are still some plugins loaded, you need to remove them to stop the engine.\n"

  701.                                                                          "Do you want to do this now?"),

  702.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  703.             if ask != QMessageBox.Yes:

  704.                 return

  705. 

  706.             self.removeAllPlugins()

  707. 

  708.         if Carla.host.is_engine_running() and not Carla.host.engine_close():

  709.             print(cString(Carla.host.get_last_error()))

  710. 

  711.         self.fEngineStarted = False

  712.         self.fPluginCount = 0

  713.         self.fPluginList  = []

  714. 

  715.         self.killTimer(self.fIdleTimerFast)

  716.         self.killTimer(self.fIdleTimerSlow)

  717. 

  718.         settings = QSettings()

  719.         settings.setValue("Engine/TransportMode", self.ui.ch_transport.currentIndex())

  720.         self.ui.ch_transport.blockSignals(True)

  721.         self.ui.ch_transport.clear()

  722.         self.ui.ch_transport.blockSignals(False)

  723. 

  724.     def loadProject(self, filename):

  725.         self.fProjectFilename = filename

  726.         self.setWindowTitle("Carla - %s" % os.path.basename(filename))

  727. 

  728.         self.fProjectLoading = True

  729.         Carla.host.load_project(filename)

  730.         self.fProjectLoading = False

  731. 

  732.     def loadProjectLater(self, filename):

  733.         self.fProjectFilename = filename

  734.         self.setWindowTitle("Carla - %s" % os.path.basename(filename))

  735.         QTimer.singleShot(0, self, SLOT("slot_loadProjectLater()"))

  736. 

  737.     def saveProject(self, filename):

  738.         self.fProjectFilename = filename

  739.         self.setWindowTitle("Carla - %s" % os.path.basename(filename))

  740.         Carla.host.save_project(filename)

  741. 

  742.     def addPlugin(self, btype, ptype, filename, name, label, extraStuff):

  743.         if not self.fEngineStarted:

  744.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  745.             return False

  746. 

  747.         if not Carla.host.add_plugin(btype, ptype, filename, name, label, extraStuff):

  748.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"), cString(Carla.host.get_last_error()), QMessageBox.Ok, QMessageBox.Ok)

  749.             return False

  750. 

  751.         return True

  752. 

  753.     def removeAllPlugins(self):

  754.         while (self.ui.w_plugins.layout().takeAt(0)):

  755.             pass

  756. 

  757.         self.ui.act_plugin_remove_all.setEnabled(False)

  758. 

  759.         for i in range(self.fPluginCount):

  760.             pwidget = self.fPluginList[i]

  761. 

  762.             if pwidget is None:

  763.                 break

  764. 

  765.             self.fPluginList[i] = None

  766. 

  767.             pwidget.ui.edit_dialog.close()

  768.             pwidget.close()

  769.             pwidget.deleteLater()

  770.             del pwidget

  771. 

  772.         self.fPluginCount = 0

  773. 

  774.         Carla.host.remove_all_plugins()

  775. 

  776.     @pyqtSlot()

  777.     def slot_fileNew(self):

  778.         self.removeAllPlugins()

  779.         self.fProjectFilename = None

  780.         self.fProjectLoading  = False

  781.         self.setWindowTitle("Carla")

  782. 

  783.     @pyqtSlot()

  784.     def slot_fileOpen(self):

  785.         fileFilter  = self.tr("Carla Project File (*.carxp)")

  786.         filenameTry = QFileDialog.getOpenFileName(self, self.tr("Open Carla Project File"), self.fSavedSettings["Main/DefaultProjectFolder"], filter=fileFilter)

  787. 

  788.         if filenameTry:

  789.             # FIXME - show dialog to user

  790.             self.removeAllPlugins()

  791.             self.loadProject(filenameTry)

  792. 

  793.     @pyqtSlot()

  794.     def slot_fileSave(self, saveAs=False):

  795.         if self.fProjectFilename and not saveAs:

  796.             return self.saveProject(self.fProjectFilename)

  797. 

  798.         fileFilter  = self.tr("Carla Project File (*.carxp)")

  799.         filenameTry = QFileDialog.getSaveFileName(self, self.tr("Save Carla Project File"), self.fSavedSettings["Main/DefaultProjectFolder"], filter=fileFilter)

  800. 

  801.         if filenameTry:

  802.             if not filenameTry.endswith(".carxp"):

  803.                 filenameTry += ".carxp"

  804. 

  805.             self.saveProject(filenameTry)

  806. 

  807.     @pyqtSlot()

  808.     def slot_fileSaveAs(self):

  809.         self.slot_fileSave(True)

  810. 

  811.     @pyqtSlot()

  812.     def slot_loadProjectLater(self):

  813.         self.fProjectLoading = True

  814.         Carla.host.load_project(self.fProjectFilename)

  815.         self.fProjectLoading = False

  816. 

  817.     @pyqtSlot()

  818.     def slot_engineStart(self):

  819.         self.startEngine()

  820.         check = Carla.host.is_engine_running()

  821.         self.ui.act_file_open.setEnabled(check)

  822.         self.ui.act_engine_start.setEnabled(not check)

  823.         self.ui.act_engine_stop.setEnabled(check)

  824.         self.ui.act_engine_configure.setEnabled(not check)

  825.         self.ui.frame_transport.setEnabled(check)

  826. 

  827.     @pyqtSlot()

  828.     def slot_engineStop(self):

  829.         self.stopEngine()

  830.         check = Carla.host.is_engine_running()

  831.         self.ui.act_file_open.setEnabled(check)

  832.         self.ui.act_engine_start.setEnabled(not check)

  833.         self.ui.act_engine_stop.setEnabled(check)

  834.         self.ui.frame_transport.setEnabled(check)

  835. 

  836.     @pyqtSlot()

  837.     def slot_pluginAdd(self):

  838.         dialog = PluginDatabaseW(self)

  839.         if dialog.exec_():

  840.             btype    = dialog.fRetPlugin['build']

  841.             ptype    = dialog.fRetPlugin['type']

  842.             filename = dialog.fRetPlugin['binary']

  843.             label    = dialog.fRetPlugin['label']

  844.             extraStuff = self.getExtraStuff(dialog.fRetPlugin)

  845.             self.addPlugin(btype, ptype, filename, None, label, extraStuff)

  846. 

  847.     @pyqtSlot()

  848.     def slot_pluginRemoveAll(self):

  849.         self.removeAllPlugins()

  850. 

  851.         self.connect(self.ui.ch_transport, SIGNAL("currentIndexChanged(int)"), SLOT("(int)"))

  852.         self.connect(self.ui.b_transport_play, SIGNAL("clicked(bool)"), SLOT("(bool)"))

  853.         self.connect(self.ui.b_transport_stop, SIGNAL("clicked()"), SLOT("()"))

  854. 

  855.     @pyqtSlot(int)

  856.     def slot_transportModeChanged(self, newMode):

  857.         Carla.host.set_engine_option(OPTION_TRANSPORT_MODE, newMode, "")

  858. 

  859.     @pyqtSlot(bool)

  860.     def slot_transportPlayPause(self, toggled):

  861.         if toggled:

  862.             Carla.host.transport_play()

  863.         else:

  864.             Carla.host.transport_pause()

  865. 

  866.     @pyqtSlot()

  867.     def slot_transportStop(self):

  868.         Carla.host.transport_pause()

  869.         Carla.host.transport_relocate(0)

  870. 

  871.     @pyqtSlot()

  872.     def slot_aboutCarla(self):

  873.         CarlaAboutW(self).exec_()

  874. 

  875.     @pyqtSlot()

  876.     def slot_configureCarla(self):

  877.         dialog = CarlaSettingsW(self)

  878.         if dialog.exec_():

  879.             self.loadSettings(False)

  880. 

  881.             for pwidget in self.fPluginList:

  882.                 if pwidget is None:

  883.                     return

  884.                 pwidget.setRefreshRate(self.fSavedSettings["Main/RefreshInterval"])

  885. 

  886.     @pyqtSlot()

  887.     def slot_handleSIGUSR1(self):

  888.         print("Got SIGUSR1 -> Saving project now")

  889.         QTimer.singleShot(0, self, SLOT("slot_fileSave()"))

  890. 

  891.     @pyqtSlot()

  892.     def slot_handleSIGTERM(self):

  893.         print("Got SIGTERM -> Closing now")

  894.         self.close()

  895. 

  896.     @pyqtSlot(int, int, int, float, str)

  897.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valueStr):

  898.         print("DEBUG :: %i, %i, %i, %f, \"%s\")" % (pluginId, value1, value2, value3, valueStr))

  899. 

  900.     @pyqtSlot(int)

  901.     def slot_handlePluginAddedCallback(self, pluginId):

  902.         pwidget = PluginWidget(self, pluginId)

  903.         pwidget.setRefreshRate(self.fSavedSettings["Main/RefreshInterval"])

  904. 

  905.         self.ui.w_plugins.layout().addWidget(pwidget)

  906. 

  907.         self.fPluginCount += 1

  908.         self.fPluginList[pluginId] = pwidget

  909. 

  910.         if not self.fProjectLoading:

  911.             pwidget.setActive(True, True, True)

  912. 

  913.         if self.fPluginCount == 1:

  914.             self.ui.act_plugin_remove_all.setEnabled(True)

  915. 

  916.     @pyqtSlot(int)

  917.     def slot_handlePluginRemovedCallback(self, pluginId):

  918.         if pluginId >= self.fPluginCount:

  919.             return

  920. 

  921.         pwidget = self.fPluginList[pluginId]

  922.         if pwidget is None:

  923.             return

  924. 

  925.         self.fPluginList[pluginId] = None

  926.         self.fPluginCount -= 1

  927. 

  928.         self.ui.w_plugins.layout().removeWidget(pwidget)

  929. 

  930.         pwidget.ui.edit_dialog.close()

  931.         pwidget.close()

  932.         pwidget.deleteLater()

  933.         del pwidget

  934. 

  935.         # push all plugins 1 slot back

  936.         for i in range(pluginId, self.fPluginCount):

  937.             self.fPluginList[i] = self.fPluginList[i+1]

  938.             self.fPluginList[i].setId(i)

  939. 

  940.         if self.fPluginCount == 0:

  941.             self.ui.act_plugin_remove_all.setEnabled(False)

  942. 

  943.     @pyqtSlot(int, int, float)

  944.     def slot_handleParameterValueChangedCallback(self, pluginId, parameterId, value):

  945.         if pluginId >= self.fPluginCount:

  946.             return

  947. 

  948.         pwidget = self.fPluginList[pluginId]

  949.         if pwidget is None:

  950.             return

  951. 

  952.         pwidget.setParameterValue(parameterId, value)

  953. 

  954.     @pyqtSlot(int, int, float)

  955.     def slot_handleParameterDefaultChangedCallback(self, pluginId, parameterId, value):

  956.         if pluginId >= self.fPluginCount:

  957.             return

  958. 

  959.         pwidget = self.fPluginList[pluginId]

  960.         if pwidget is None:

  961.             return

  962. 

  963.         pwidget.setParameterDefault(parameterId, value)

  964. 

  965.     @pyqtSlot(int, int, int)

  966.     def slot_handleParameterMidiChannelChangedCallback(self, pluginId, parameterId, channel):

  967.         if pluginId >= self.fPluginCount:

  968.             return

  969. 

  970.         pwidget = self.fPluginList[pluginId]

  971.         if pwidget is None:

  972.             return

  973. 

  974.         pwidget.setParameterMidiChannel(parameterId, channel)

  975. 

  976.     @pyqtSlot(int, int, int)

  977.     def slot_handleParameterMidiCcChangedCallback(self, pluginId, parameterId, cc):

  978.         if pluginId >= self.fPluginCount:

  979.             return

  980. 

  981.         pwidget = self.fPluginList[pluginId]

  982.         if pwidget is None:

  983.             return

  984. 

  985.         pwidget.setParameterMidiControl(parameterId, cc)

  986. 

  987.     @pyqtSlot(int, int)

  988.     def slot_handleProgramChangedCallback(self, pluginId, programId):

  989.         if pluginId >= self.fPluginCount:

  990.             return

  991. 

  992.         pwidget = self.fPluginList[pluginId]

  993.         if pwidget is None:

  994.             return

  995. 

  996.         pwidget.setProgram(programId)

  997. 

  998.     @pyqtSlot(int, int)

  999.     def slot_handleMidiProgramChangedCallback(self, pluginId, midiProgramId):

  1000.         if pluginId >= self.fPluginCount:

  1001.             return

  1002. 

  1003.         pwidget = self.fPluginList[pluginId]

  1004.         if pwidget is None:

  1005.             return

  1006. 

  1007.         pwidget.setMidiProgram(midiProgramId)

  1008. 

  1009.     @pyqtSlot(int, int, int, int)

  1010.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velo):

  1011.         if pluginId >= self.fPluginCount:

  1012.             return

  1013. 

  1014.         pwidget = self.fPluginList[pluginId]

  1015.         if pwidget is None:

  1016.             return

  1017. 

  1018.         pwidget.sendNoteOn(channel, note)

  1019. 

  1020.     @pyqtSlot(int, int, int)

  1021.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  1022.         if pluginId >= self.fPluginCount:

  1023.             return

  1024. 

  1025.         pwidget = self.fPluginList[pluginId]

  1026.         if pwidget is None:

  1027.             return

  1028. 

  1029.         pwidget.sendNoteOff(channel, note)

  1030. 

  1031.     @pyqtSlot(int, int)

  1032.     def slot_handleShowGuiCallback(self, pluginId, show):

  1033.         if pluginId >= self.fPluginCount:

  1034.             return

  1035. 

  1036.         pwidget = self.fPluginList[pluginId]

  1037.         if pwidget is None:

  1038.             return

  1039. 

  1040.         if show == 0:

  1041.             pwidget.ui.b_gui.setChecked(False)

  1042.             pwidget.ui.b_gui.setEnabled(True)

  1043.         elif show == 1:

  1044.             pwidget.ui.b_gui.setChecked(True)

  1045.             pwidget.ui.b_gui.setEnabled(True)

  1046.         elif show == -1:

  1047.             pwidget.ui.b_gui.setChecked(False)

  1048.             pwidget.ui.b_gui.setEnabled(False)

  1049. 

  1050.     @pyqtSlot(int)

  1051.     def slot_handleUpdateCallback(self, pluginId):

  1052.         if pluginId >= self.fPluginCount:

  1053.             return

  1054. 

  1055.         pwidget = self.fPluginList[pluginId]

  1056.         if pwidget is None:

  1057.             return

  1058. 

  1059.         pwidget.ui.edit_dialog.do_update()

  1060. 

  1061.     @pyqtSlot(int)

  1062.     def slot_handleReloadInfoCallback(self, pluginId):

  1063.         if pluginId >= self.fPluginCount:

  1064.             return

  1065. 

  1066.         pwidget = self.fPluginList[pluginId]

  1067.         if pwidget is None:

  1068.             return

  1069. 

  1070.         pwidget.ui.edit_dialog.reloadInfo()

  1071. 

  1072.     @pyqtSlot(int)

  1073.     def slot_handleReloadParametersCallback(self, pluginId):

  1074.         if pluginId >= self.fPluginCount:

  1075.             return

  1076. 

  1077.         pwidget = self.fPluginList[pluginId]

  1078.         if pwidget is None:

  1079.             return

  1080. 

  1081.         pwidget.ui.edit_dialog.reloadParameters()

  1082. 

  1083.     @pyqtSlot(int)

  1084.     def slot_handleReloadProgramsCallback(self, pluginId):

  1085.         if pluginId >= self.fPluginCount:

  1086.             return

  1087. 

  1088.         pwidget = self.fPluginList[pluginId]

  1089.         if pwidget is None:

  1090.             return

  1091. 

  1092.         pwidget.ui.edit_dialog.reloadPrograms()

  1093. 

  1094.     @pyqtSlot(int)

  1095.     def slot_handleReloadAllCallback(self, pluginId):

  1096.         if pluginId >= self.fPluginCount:

  1097.             return

  1098. 

  1099.         pwidget = self.fPluginList[pluginId]

  1100.         if pwidget is None:

  1101.             return

  1102. 

  1103.         pwidget.ui.edit_dialog.reloadAll()

  1104. 

  1105.     @pyqtSlot(str)

  1106.     def slot_handleErrorCallback(self, error):

  1107.         QMessageBox.critical(self, self.tr("Error"), error)

  1108. 

  1109.     @pyqtSlot()

  1110.     def slot_handleQuitCallback(self):

  1111.         CustomMessageBox(self, QMessageBox.Warning, self.tr("Warning"),

  1112.             self.tr("Engine has been stopped or crashed.\nPlease restart Carla"),

  1113.             self.tr("You may want to save your session now..."), QMessageBox.Ok, QMessageBox.Ok)

  1114. 

  1115.     def getExtraStuff(self, plugin):

  1116.         ptype = plugin['type']

  1117. 

  1118.         if ptype == PLUGIN_LADSPA:

  1119.             uniqueId = plugin['uniqueId']

  1120.             for rdfItem in self.fLadspaRdfList:

  1121.                 if rdfItem.UniqueID == uniqueId:

  1122.                     return pointer(rdfItem)

  1123. 

  1124.         elif ptype == PLUGIN_DSSI:

  1125.             if (plugin['hints'] & PLUGIN_HAS_GUI):

  1126.                 gui = findDSSIGUI(plugin['binary'], plugin['name'], plugin['label'])

  1127.                 if gui:

  1128.                     return gui.encode("utf-8")

  1129. 

  1130.         elif ptype == PLUGIN_SF2:

  1131.             if plugin['name'].endswith(" (16 outputs)"):

  1132.                 # return a dummy non-null pointer

  1133.                 INTPOINTER = POINTER(c_int)

  1134.                 ptr  = c_int(0x1)

  1135.                 addr = addressof(ptr)

  1136.                 return cast(addr, INTPOINTER)

  1137. 

  1138.         return c_nullptr

  1139. 

  1140.     def loadRDFs(self):

  1141.         # Save RDF info for later

  1142.         self.fLadspaRdfList = []

  1143. 

  1144.         if not haveLRDF:

  1145.             return

  1146. 

  1147.         settingsDir  = os.path.join(HOME, ".config", "Cadence")

  1148.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  1149. 

  1150.         if os.path.exists(frLadspaFile):

  1151.             frLadspa = open(frLadspaFile, 'r')

  1152. 

  1153.             try:

  1154.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  1155.             except:

  1156.                 pass

  1157. 

  1158.             frLadspa.close()

  1159. 

  1160.     def saveSettings(self):

  1161.         settings = QSettings()

  1162.         settings.setValue("Geometry", self.saveGeometry())

  1163.         settings.setValue("ShowToolbar", self.ui.toolBar.isVisible())

  1164. 

  1165.     def loadSettings(self, geometry):

  1166.         settings = QSettings()

  1167. 

  1168.         if geometry:

  1169.             self.restoreGeometry(settings.value("Geometry", ""))

  1170. 

  1171.             showToolbar = settings.value("ShowToolbar", True, type=bool)

  1172.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1173.             self.ui.toolBar.setVisible(showToolbar)

  1174. 

  1175.         self.fSavedSettings = {

  1176.             "Main/DefaultProjectFolder": settings.value("Main/DefaultProjectFolder", HOME, type=str),

  1177.             "Main/RefreshInterval": settings.value("Main/RefreshInterval", 50, type=int)

  1178.         }

  1179. 

  1180.         # ---------------------------------------------

  1181.         # plugin checks

  1182. 

  1183.         if settings.value("Engine/DisableChecks", False, type=bool):

  1184.             os.environ["CARLA_DISCOVERY_NO_PROCESSING_CHECKS"] = "true"

  1185. 

  1186.         elif os.getenv("CARLA_DISCOVERY_NO_PROCESSING_CHECKS"):

  1187.             os.environ.pop("CARLA_DISCOVERY_NO_PROCESSING_CHECKS")

  1188. 

  1189.         # ---------------------------------------------

  1190.         # plugin paths

  1191. 

  1192.         Carla.LADSPA_PATH = toList(settings.value("Paths/LADSPA", Carla.LADSPA_PATH))

  1193.         Carla.DSSI_PATH = toList(settings.value("Paths/DSSI", Carla.DSSI_PATH))

  1194.         Carla.LV2_PATH = toList(settings.value("Paths/LV2", Carla.LV2_PATH))

  1195.         Carla.VST_PATH = toList(settings.value("Paths/VST", Carla.VST_PATH))

  1196.         Carla.GIG_PATH = toList(settings.value("Paths/GIG", Carla.GIG_PATH))

  1197.         Carla.SF2_PATH = toList(settings.value("Paths/SF2", Carla.SF2_PATH))

  1198.         Carla.SFZ_PATH = toList(settings.value("Paths/SFZ", Carla.SFZ_PATH))

  1199. 

  1200.         os.environ["LADSPA_PATH"] = splitter.join(Carla.LADSPA_PATH)

  1201.         os.environ["DSSI_PATH"] = splitter.join(Carla.DSSI_PATH)

  1202.         os.environ["LV2_PATH"] = splitter.join(Carla.LV2_PATH)

  1203.         os.environ["VST_PATH"] = splitter.join(Carla.VST_PATH)

  1204.         os.environ["GIG_PATH"] = splitter.join(Carla.GIG_PATH)

  1205.         os.environ["SF2_PATH"] = splitter.join(Carla.SF2_PATH)

  1206.         os.environ["SFZ_PATH"] = splitter.join(Carla.SFZ_PATH)

  1207. 

  1208.     def timerEvent(self, event):

  1209.         if event.timerId() == self.fIdleTimerFast:

  1210.             Carla.host.engine_idle()

  1211. 

  1212.             for pwidget in self.fPluginList:

  1213.                 if pwidget is None:

  1214.                     break

  1215.                 pwidget.idleFast()

  1216. 

  1217.         elif event.timerId() == self.fIdleTimerSlow:

  1218.             for pwidget in self.fPluginList:

  1219.                 if pwidget is None:

  1220.                     break

  1221.                 pwidget.idleSlow()

  1222. 

  1223.         QMainWindow.timerEvent(self, event)

  1224. 

  1225.     def closeEvent(self, event):

  1226.         #if self.nsm_server:

  1227.             #self.nsm_server.stop()

  1228. 

  1229.         self.saveSettings()

  1230. 

  1231.         if Carla.host.is_engine_running():

  1232.             Carla.host.set_engine_about_to_close()

  1233.             self.removeAllPlugins()

  1234. 

  1235.         self.stopEngine()

  1236. 

  1237.         QMainWindow.closeEvent(self, event)

  1238. 

  1239. # ------------------------------------------------------------------------------------------------

  1240. 

  1241. def callbackFunction(ptr, action, pluginId, value1, value2, value3, valueStr):

  1242.     if pluginId < 0 or not Carla.gui:

  1243.         return

  1244. 

  1245.     if action == CALLBACK_DEBUG:

  1246.         Carla.gui.emit(SIGNAL("DebugCallback(int, int, int, double, QString)"), pluginId, value1, value2, value3, cString(valueStr))

  1247.     elif action == CALLBACK_PLUGIN_ADDED:

  1248.         Carla.gui.emit(SIGNAL("PluginAddedCallback(int)"), pluginId)

  1249.     elif action == CALLBACK_PLUGIN_REMOVED:

  1250.         Carla.gui.emit(SIGNAL("PluginRemovedCallback(int)"), pluginId)

  1251.     elif action == CALLBACK_PARAMETER_VALUE_CHANGED:

  1252.         Carla.gui.emit(SIGNAL("ParameterValueChangedCallback(int, int, double)"), pluginId, value1, value3)

  1253.     elif action == CALLBACK_PARAMETER_DEFAULT_CHANGED:

  1254.         Carla.gui.emit(SIGNAL("ParameterDefaultChangedCallback(int, int, double)"), pluginId, value1, value3)

  1255.     elif action == CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  1256.         Carla.gui.emit(SIGNAL("ParameterMidiChannelChangedCallback(int, int, int)"), pluginId, value1, value2)

  1257.     elif action == CALLBACK_PARAMETER_MIDI_CC_CHANGED:

  1258.         Carla.gui.emit(SIGNAL("ParameterMidiCcChangedCallback(int, int, int)"), pluginId, value1, value2)

  1259.     elif action == CALLBACK_PROGRAM_CHANGED:

  1260.         Carla.gui.emit(SIGNAL("ProgramChangedCallback(int, int)"), pluginId, value1)

  1261.     elif action == CALLBACK_MIDI_PROGRAM_CHANGED:

  1262.         Carla.gui.emit(SIGNAL("MidiProgramChangedCallback(int, int)"), pluginId, value1)

  1263.     elif action == CALLBACK_NOTE_ON:

  1264.         Carla.gui.emit(SIGNAL("NoteOnCallback(int, int, int, int)"), pluginId, value1, value2, value3)

  1265.     elif action == CALLBACK_NOTE_OFF:

  1266.         Carla.gui.emit(SIGNAL("NoteOffCallback(int, int, int)"), pluginId, value1, value2)

  1267.     elif action == CALLBACK_SHOW_GUI:

  1268.         Carla.gui.emit(SIGNAL("ShowGuiCallback(int, int)"), pluginId, value1)

  1269.     elif action == CALLBACK_UPDATE:

  1270.         Carla.gui.emit(SIGNAL("UpdateCallback(int)"), pluginId)

  1271.     elif action == CALLBACK_RELOAD_INFO:

  1272.         Carla.gui.emit(SIGNAL("ReloadInfoCallback(int)"), pluginId)

  1273.     elif action == CALLBACK_RELOAD_PARAMETERS:

  1274.         Carla.gui.emit(SIGNAL("ReloadParametersCallback(int)"), pluginId)

  1275.     elif action == CALLBACK_RELOAD_PROGRAMS:

  1276.         Carla.gui.emit(SIGNAL("ReloadProgramsCallback(int)"), pluginId)

  1277.     elif action == CALLBACK_RELOAD_ALL:

  1278.         Carla.gui.emit(SIGNAL("ReloadAllCallback(int)"), pluginId)

  1279.     #elif action == CALLBACK_NSM_ANNOUNCE:

  1280.         #Carla.gui._nsmAnnounce2str = cString(Carla.host.get_last_error())

  1281.         #Carla.gui.emit(SIGNAL("NSM_AnnounceCallback()"))

  1282.     #elif action == CALLBACK_NSM_OPEN1:

  1283.         #Carla.gui._nsmOpen1str = cString(valueStr)

  1284.         #Carla.gui.emit(SIGNAL("NSM_Open1Callback()"))

  1285.     #elif action == CALLBACK_NSM_OPEN2:

  1286.         #Carla.gui._nsmOpen2str = cString(valueStr)

  1287.         #Carla.gui.emit(SIGNAL("NSM_Open2Callback()"))

  1288.     #elif action == CALLBACK_NSM_SAVE:

  1289.         #Carla.gui.emit(SIGNAL("NSM_SaveCallback()"))

  1290.     elif action == CALLBACK_ERROR:

  1291.         Carla.gui.emit(SIGNAL("ErrorCallback(QString)"), valueStr)

  1292.     elif action == CALLBACK_QUIT:

  1293.         Carla.gui.emit(SIGNAL("QuitCallback()"))

  1294. 

  1295. #--------------- main ------------------

  1296. if __name__ == '__main__':

  1297.     # App initialization

  1298.     app = QApplication(sys.argv)

  1299.     app.setApplicationName("Carla")

  1300.     app.setApplicationVersion(VERSION)

  1301.     app.setOrganizationName("Cadence")

  1302.     app.setWindowIcon(QIcon(":/scalable/carla.svg"))

  1303. 

  1304.     libPrefix = None

  1305.     projectFilename = None

  1306. 

  1307.     for i in range(len(app.arguments())):

  1308.         if i == 0: continue

  1309.         argument = app.arguments()[i]

  1310. 

  1311.         if argument.startswith("--with-libprefix="):

  1312.             libPrefix = argument.replace("--with-libprefix=", "")

  1313. 

  1314.         elif os.path.exists(argument):

  1315.             projectFilename = argument

  1316. 

  1317.     # Init backend

  1318.     Carla.host = Host(libPrefix)

  1319.     Carla.host.set_engine_callback(callbackFunction)

  1320.     Carla.host.set_engine_option(OPTION_PROCESS_NAME, 0, "carla")

  1321. 

  1322.     # Set bridge paths

  1323.     if carla_bridge_native:

  1324.         Carla.host.set_engine_option(OPTION_PATH_BRIDGE_NATIVE, 0, carla_bridge_native)

  1325. 

  1326.     if carla_bridge_posix32:

  1327.         Carla.host.set_engine_option(OPTION_PATH_BRIDGE_POSIX32, 0, carla_bridge_posix32)

  1328. 

  1329.     if carla_bridge_posix64:

  1330.         Carla.host.set_engine_option(OPTION_PATH_BRIDGE_POSIX64, 0, carla_bridge_posix64)

  1331. 

  1332.     if carla_bridge_win32:

  1333.         Carla.host.set_engine_option(OPTION_PATH_BRIDGE_WIN32, 0, carla_bridge_win32)

  1334. 

  1335.     if carla_bridge_win64:

  1336.         Carla.host.set_engine_option(OPTION_PATH_BRIDGE_WIN64, 0, carla_bridge_win64)

  1337. 

  1338.     if WINDOWS:

  1339.         if carla_bridge_lv2_windows:

  1340.             Carla.host.set_engine_option(OPTION_PATH_BRIDGE_LV2_WINDOWS, 0, carla_bridge_lv2_windows)

  1341. 

  1342.         if carla_bridge_vst_hwnd:

  1343.             Carla.host.set_engine_option(OPTION_PATH_BRIDGE_VST_HWND, 0, carla_bridge_vst_hwnd)

  1344. 

  1345.     elif MACOS:

  1346.         if carla_bridge_lv2_cocoa:

  1347.             Carla.host.set_engine_option(OPTION_PATH_BRIDGE_LV2_COCOA, 0, carla_bridge_lv2_cocoa)

  1348. 

  1349.         if carla_bridge_vst_cocoa:

  1350.             Carla.host.set_engine_option(OPTION_PATH_BRIDGE_VST_COCOA, 0, carla_bridge_vst_cocoa)

  1351. 

  1352.     else:

  1353.         if carla_bridge_lv2_gtk2:

  1354.             Carla.host.set_engine_option(OPTION_PATH_BRIDGE_LV2_GTK2, 0, carla_bridge_lv2_gtk2)

  1355. 

  1356.         if carla_bridge_lv2_gtk3:

  1357.             Carla.host.set_engine_option(OPTION_PATH_BRIDGE_LV2_GTK3, 0, carla_bridge_lv2_gtk3)

  1358. 

  1359.         if carla_bridge_lv2_qt4:

  1360.             Carla.host.set_engine_option(OPTION_PATH_BRIDGE_LV2_QT4, 0, carla_bridge_lv2_qt4)

  1361. 

  1362.         if carla_bridge_lv2_qt5:

  1363.             Carla.host.set_engine_option(OPTION_PATH_BRIDGE_LV2_QT5, 0, carla_bridge_lv2_qt5)

  1364. 

  1365.         if carla_bridge_lv2_x11:

  1366.             Carla.host.set_engine_option(OPTION_PATH_BRIDGE_LV2_X11, 0, carla_bridge_lv2_x11)

  1367. 

  1368.         if carla_bridge_vst_x11:

  1369.             Carla.host.set_engine_option(OPTION_PATH_BRIDGE_VST_X11, 0, carla_bridge_vst_x11)

  1370. 

  1371.     # Create GUI and start engine

  1372.     Carla.gui = CarlaMainW()

  1373. 

  1374.     # Set-up custom signal handling

  1375.     setUpSignals()

  1376. 

  1377.     # Show GUI

  1378.     Carla.gui.show()

  1379. 

  1380.     # Load project file if set

  1381.     if projectFilename:

  1382.         Carla.gui.loadProjectLater(projectFilename)

  1383. 

  1384.     # App-Loop

  1385.     ret = app.exec_()

  1386. 

  1387.     # Exit properly

  1388.     sys.exit(ret)