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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.     def loadSettings(self):

  124.         settings = QSettings()

  125. 

  126.         # ---------------------------------------

  127. 

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

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

  130. 

  131.         # ---------------------------------------

  132. 

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

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

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

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

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

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

  139. 

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

  141. 

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

  143.             #thisThemeName = getThemeName(i)

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

  145.             #if thisThemeName == themeName:

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

  147. 

  148.         # --------------------------------------------

  149. 

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

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

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

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

  154.                 break

  155.         else:

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

  157. 

  158.         if audioDriver == "JACK":

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

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

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

  162.         else:

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

  164.             processModeIndex -= PROCESS_MODE_NON_JACK_PADDING

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

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

  167. 

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

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

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

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

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

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

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

  175. 

  176.         # --------------------------------------------

  177. 

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

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

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

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

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

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

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

  185. 

  186.         ladspas.sort()

  187.         dssis.sort()

  188.         lv2s.sort()

  189.         vsts.sort()

  190.         gigs.sort()

  191.         sf2s.sort()

  192.         sfzs.sort()

  193. 

  194.         for ladspa in ladspas:

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

  196. 

  197.         for dssi in dssis:

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

  199. 

  200.         for lv2 in lv2s:

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

  202. 

  203.         for vst in vsts:

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

  205. 

  206.         for gig in gigs:

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

  208. 

  209.         for sf2 in sf2s:

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

  211. 

  212.         for sfz in sfzs:

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

  214. 

  215.     @pyqtSlot()

  216.     def slot_saveSettings(self):

  217.         settings = QSettings()

  218. 

  219.         # ---------------------------------------

  220. 

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

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

  223. 

  224.         # ---------------------------------------

  225. 

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

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

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

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

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

  231. 

  232.         ## 0, 1, 2 match their enum variants

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

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

  235. 

  236.         # --------------------------------------------

  237. 

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

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

  240. 

  241.         if audioDriver == "JACK":

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

  243.         else:

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

  245. 

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

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

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

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

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

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

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

  253. 

  254.         # --------------------------------------------

  255. 

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

  257.         ladspas = []

  258.         dssis = []

  259.         lv2s = []

  260.         vsts = []

  261.         gigs = []

  262.         sf2s = []

  263.         sfzs = []

  264. 

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

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

  267. 

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

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

  270. 

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

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

  273. 

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

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

  276. 

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

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

  279. 

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

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

  282. 

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

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

  285. 

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

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

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

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

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

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

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

  293. 

  294.     @pyqtSlot()

  295.     def slot_resetSettings(self):

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

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

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

  299. 

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

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

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

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

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

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

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

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

  308. 

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

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

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

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

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

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

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

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

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

  318. 

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

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

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

  322.             else:

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

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

  325. 

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

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

  328.                 Carla.LADSPA_PATH.sort()

  329.                 self.ui.lw_ladspa.clear()

  330. 

  331.                 for ladspa in Carla.LADSPA_PATH:

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

  333. 

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

  335.                 Carla.DSSI_PATH.sort()

  336.                 self.ui.lw_dssi.clear()

  337. 

  338.                 for dssi in Carla.DSSI_PATH:

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

  340. 

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

  342.                 Carla.LV2_PATH.sort()

  343.                 self.ui.lw_lv2.clear()

  344. 

  345.                 for lv2 in Carla.LV2_PATH:

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

  347. 

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

  349.                 Carla.VST_PATH.sort()

  350.                 self.ui.lw_vst.clear()

  351. 

  352.                 for vst in Carla.VST_PATH:

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

  354. 

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

  356.                 Carla.GIG_PATH.sort()

  357.                 self.ui.lw_gig.clear()

  358. 

  359.                 for gig in Carla.GIG_PATH:

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

  361. 

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

  363.                 Carla.SF2_PATH.sort()

  364.                 self.ui.lw_sf2.clear()

  365. 

  366.                 for sf2 in Carla.SF2_PATH:

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

  368. 

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

  370.                 Carla.SFZ_PATH.sort()

  371.                 self.ui.lw_sfz.clear()

  372. 

  373.                 for sfz in Carla.SFZ_PATH:

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

  375. 

  376.     @pyqtSlot()

  377.     def slot_getAndSetProjectPath(self):

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

  379. 

  380.     @pyqtSlot()

  381.     def slot_engineAudioDriverChanged(self):

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

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

  384.         else:

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

  386. 

  387.     @pyqtSlot()

  388.     def slot_addPluginPath(self):

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

  390.         if newPath:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  405. 

  406.     @pyqtSlot()

  407.     def slot_removePluginPath(self):

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  422. 

  423.     @pyqtSlot()

  424.     def slot_changePluginPath(self):

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  439.         else:

  440.             currentPath = ""

  441. 

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

  443.         if newPath:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  458. 

  459.     @pyqtSlot(int)

  460.     def slot_pluginPathTabChanged(self, index):

  461.         if index == 0:

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

  463.         elif index == 1:

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

  465.         elif index == 2:

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

  467.         elif index == 3:

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

  469.         elif index == 4:

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

  471.         elif index == 5:

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

  473.         elif index == 6:

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

  475.         else:

  476.             row = -1

  477. 

  478.         check = bool(row >= 0)

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

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

  481. 

  482.     @pyqtSlot(int)

  483.     def slot_pluginPathRowChanged(self, row):

  484.         check = bool(row >= 0)

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

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

  487. 

  488.     def done(self, r):

  489.         QDialog.done(self, r)

  490.         self.close()

  491. 

  492. # ------------------------------------------------------------------------------------------------------------

  493. # Main Window

  494. 

  495. class CarlaMainW(QMainWindow):

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

  497.         QMainWindow.__init__(self, parent)

  498.         self.ui =  ui_carla.Ui_CarlaMainW()

  499.         self.ui.setupUi(self)

  500. 

  501.         # -------------------------------------------------------------

  502.         # Load Settings

  503. 

  504.         self.loadSettings(True)

  505.         self.loadRDFs()

  506. 

  507.         self.setStyleSheet("""

  508.           QWidget#centralwidget {

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

  510.                 x1:0.0, y1:0.0,

  511.                 x2:0.2, y2:1.0,

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

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

  514.             );

  515.           }

  516.         """)

  517. 

  518.         # -------------------------------------------------------------

  519.         # Internal stuff

  520. 

  521.         self.fEngineStarted   = False

  522.         self.fFirstEngineInit = False

  523. 

  524.         self.fProjectFilename = None

  525.         self.fProjectLoading  = False

  526. 

  527.         self.fPluginCount = 0

  528.         self.fPluginList  = []

  529. 

  530.         self.fIdleTimerFast = 0

  531.         self.fIdleTimerSlow = 0

  532. 

  533.         #self._nsmAnnounce2str = ""

  534.         #self._nsmOpen1str = ""

  535.         #self._nsmOpen2str = ""

  536.         #self.nsm_server = None

  537.         #self.nsm_url = None

  538. 

  539.         # -------------------------------------------------------------

  540.         # Set-up GUI stuff

  541. 

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

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

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

  545. 

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

  547. 

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

  549.         #self.m_curEdit  = self.m_fakeEdit

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

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

  552. 

  553.         # -------------------------------------------------------------

  554.         # Connect actions to functions

  555. 

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

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

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

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

  560. 

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

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

  563. 

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

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

  566. 

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

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

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

  570. 

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

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

  573. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  597. 

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

  599. 

  600.         #if NSM_URL:

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

  602.         #else:

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

  604. 

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

  606.         # ---------------------------------------------

  607.         # Engine settings

  608. 

  609.         settings = QSettings()

  610. 

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

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

  613. 

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

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

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

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

  618. 

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

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

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

  622. 

  623.         if Carla.processMode == PROCESS_MODE_CONTINUOUS_RACK:

  624.             forceStereo = True

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

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

  627.             Carla.processMode = PROCESS_MODE_SINGLE_CLIENT

  628. 

  629.         Carla.host.set_option(OPTION_PROCESS_MODE, Carla.processMode, "")

  630.         Carla.host.set_option(OPTION_MAX_PARAMETERS, Carla.maxParameters, "")

  631.         Carla.host.set_option(OPTION_FORCE_STEREO, forceStereo, "")

  632.         Carla.host.set_option(OPTION_PREFER_PLUGIN_BRIDGES, preferPluginBridges, "")

  633.         Carla.host.set_option(OPTION_PREFER_UI_BRIDGES, preferUiBridges, "")

  634.         Carla.host.set_option(OPTION_USE_DSSI_VST_CHUNKS, useDssiVstChunks, "")

  635.         Carla.host.set_option(OPTION_OSC_UI_TIMEOUT, oscUiTimeout, "")

  636.         Carla.host.set_option(OPTION_PREFERRED_BUFFER_SIZE, preferredBufferSize, "")

  637.         Carla.host.set_option(OPTION_PREFERRED_SAMPLE_RATE, preferredSampleRate, "")

  638. 

  639.         # ---------------------------------------------

  640.         # Start

  641. 

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

  643. 

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

  645.             if self.fFirstEngineInit:

  646.                 self.fFirstEngineInit = False

  647.                 return

  648. 

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

  650. 

  651.             if audioError:

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

  653.             else:

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

  655.             return

  656. 

  657.         self.fEngineStarted   = True

  658.         self.fFirstEngineInit = False

  659. 

  660.         self.fPluginCount = 0

  661.         self.fPluginList  = []

  662. 

  663.         if Carla.processMode == PROCESS_MODE_CONTINUOUS_RACK:

  664.             maxCount = MAX_RACK_PLUGINS

  665.         elif Carla.processMode == PROCESS_MODE_PATCHBAY:

  666.             maxCount = MAX_PATCHBAY_PLUGINS

  667.         else:

  668.             maxCount = MAX_DEFAULT_PLUGINS

  669. 

  670.         for x in range(maxCount):

  671.             self.fPluginList.append(None)

  672. 

  673.         # Peaks

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

  675.         # LEDs and edit dialog parameters

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

  677. 

  678.     def stopEngine(self):

  679.         if self.fPluginCount > 0:

  680.             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"

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

  682.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  683.             if ask != QMessageBox.Yes:

  684.                 return

  685. 

  686.             self.removeAllPlugins()

  687. 

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

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

  690. 

  691.         self.fEngineStarted = False

  692.         self.fPluginCount = 0

  693.         self.fPluginList  = []

  694. 

  695.         self.killTimer(self.fIdleTimerFast)

  696.         self.killTimer(self.fIdleTimerSlow)

  697. 

  698.     def loadProject(self, filename):

  699.         self.fProjectFilename = filename

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

  701. 

  702.         self.fProjectLoading = True

  703.         Carla.host.load_project(filename)

  704.         self.fProjectLoading = False

  705. 

  706.     def loadProjectLater(self, filename):

  707.         self.fProjectFilename = filename

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

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

  710. 

  711.     def saveProject(self, filename):

  712.         self.fProjectFilename = filename

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

  714.         Carla.host.save_project(filename)

  715. 

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

  717.         if not self.fEngineStarted:

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

  719.             return False

  720. 

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

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

  723.             return False

  724. 

  725.         return True

  726. 

  727.     def removeAllPlugins(self):

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

  729.             pass

  730. 

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

  732. 

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

  734.             pwidget = self.fPluginList[i]

  735. 

  736.             if pwidget is None:

  737.                 break

  738. 

  739.             self.fPluginList[i] = None

  740. 

  741.             pwidget.ui.edit_dialog.close()

  742.             pwidget.close()

  743.             pwidget.deleteLater()

  744.             del pwidget

  745. 

  746.         self.fPluginCount = 0

  747. 

  748.         Carla.host.remove_all_plugins()

  749. 

  750.     @pyqtSlot()

  751.     def slot_fileNew(self):

  752.         self.removeAllPlugins()

  753.         self.fProjectFilename = None

  754.         self.fProjectLoading  = False

  755.         self.setWindowTitle("Carla")

  756. 

  757.     @pyqtSlot()

  758.     def slot_fileOpen(self):

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

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

  761. 

  762.         if filenameTry:

  763.             # FIXME - show dialog to user

  764.             self.removeAllPlugins()

  765.             self.loadProject(filenameTry)

  766. 

  767.     @pyqtSlot()

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

  769.         if self.fProjectFilename and not saveAs:

  770.             return self.saveProject(self.fProjectFilename)

  771. 

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

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

  774. 

  775.         if filenameTry:

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

  777.                 filenameTry += ".carxp"

  778. 

  779.             self.saveProject(filenameTry)

  780. 

  781.     @pyqtSlot()

  782.     def slot_fileSaveAs(self):

  783.         self.slot_fileSave(True)

  784. 

  785.     @pyqtSlot()

  786.     def slot_loadProjectLater(self):

  787.         self.fProjectLoading = True

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

  789.         self.fProjectLoading = False

  790. 

  791.     @pyqtSlot()

  792.     def slot_engineStart(self):

  793.         self.startEngine()

  794.         check = Carla.host.is_engine_running()

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

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

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

  798. 

  799.     @pyqtSlot()

  800.     def slot_engineStop(self):

  801.         self.stopEngine()

  802.         check = Carla.host.is_engine_running()

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

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

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

  806. 

  807.     @pyqtSlot()

  808.     def slot_pluginAdd(self):

  809.         dialog = PluginDatabaseW(self)

  810.         if dialog.exec_():

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

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

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

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

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

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

  817. 

  818.     @pyqtSlot()

  819.     def slot_pluginRemoveAll(self):

  820.         self.removeAllPlugins()

  821. 

  822.     @pyqtSlot()

  823.     def slot_aboutCarla(self):

  824.         CarlaAboutW(self).exec_()

  825. 

  826.     @pyqtSlot()

  827.     def slot_configureCarla(self):

  828.         dialog = CarlaSettingsW(self)

  829.         if dialog.exec_():

  830.             self.loadSettings(False)

  831. 

  832.             for pwidget in self.fPluginList:

  833.                 if pwidget is None:

  834.                     return

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

  836. 

  837.     @pyqtSlot()

  838.     def slot_handleSIGUSR1(self):

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

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

  841. 

  842.     @pyqtSlot()

  843.     def slot_handleSIGTERM(self):

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

  845.         self.close()

  846. 

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

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

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

  850. 

  851.     @pyqtSlot(int)

  852.     def slot_handlePluginAddedCallback(self, pluginId):

  853.         pwidget = PluginWidget(self, pluginId)

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

  855. 

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

  857. 

  858.         self.fPluginCount += 1

  859.         self.fPluginList[pluginId] = pwidget

  860. 

  861.         if not self.fProjectLoading:

  862.             pwidget.setActive(True, True, True)

  863. 

  864.         if self.fPluginCount == 1:

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

  866. 

  867.     @pyqtSlot(int)

  868.     def slot_handlePluginRemovedCallback(self, pluginId):

  869.         if pluginId >= self.fPluginCount:

  870.             return

  871. 

  872.         pwidget = self.fPluginList[pluginId]

  873.         if pwidget is None:

  874.             return

  875. 

  876.         self.fPluginList[pluginId] = None

  877.         self.fPluginCount -= 1

  878. 

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

  880. 

  881.         pwidget.ui.edit_dialog.close()

  882.         pwidget.close()

  883.         pwidget.deleteLater()

  884.         del pwidget

  885. 

  886.         # push all plugins 1 slot back

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

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

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

  890. 

  891.         if self.fPluginCount == 0:

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

  893. 

  894.     @pyqtSlot(int, int, float)

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

  896.         if pluginId >= self.fPluginCount:

  897.             return

  898. 

  899.         pwidget = self.fPluginList[pluginId]

  900.         if pwidget is None:

  901.             return

  902. 

  903.         pwidget.setParameterValue(parameterId, value)

  904. 

  905.     @pyqtSlot(int, int, float)

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

  907.         if pluginId >= self.fPluginCount:

  908.             return

  909. 

  910.         pwidget = self.fPluginList[pluginId]

  911.         if pwidget is None:

  912.             return

  913. 

  914.         pwidget.setParameterDefault(parameterId, value)

  915. 

  916.     @pyqtSlot(int, int, int)

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

  918.         if pluginId >= self.fPluginCount:

  919.             return

  920. 

  921.         pwidget = self.fPluginList[pluginId]

  922.         if pwidget is None:

  923.             return

  924. 

  925.         pwidget.setParameterMidiChannel(parameterId, channel)

  926. 

  927.     @pyqtSlot(int, int, int)

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

  929.         if pluginId >= self.fPluginCount:

  930.             return

  931. 

  932.         pwidget = self.fPluginList[pluginId]

  933.         if pwidget is None:

  934.             return

  935. 

  936.         pwidget.setParameterMidiControl(parameterId, cc)

  937. 

  938.     @pyqtSlot(int, int)

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

  940.         if pluginId >= self.fPluginCount:

  941.             return

  942. 

  943.         pwidget = self.fPluginList[pluginId]

  944.         if pwidget is None:

  945.             return

  946. 

  947.         pwidget.setProgram(programId)

  948. 

  949.     @pyqtSlot(int, int)

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

  951.         if pluginId >= self.fPluginCount:

  952.             return

  953. 

  954.         pwidget = self.fPluginList[pluginId]

  955.         if pwidget is None:

  956.             return

  957. 

  958.         pwidget.setMidiProgram(midiProgramId)

  959. 

  960.     @pyqtSlot(int, int, int, int)

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

  962.         if pluginId >= self.fPluginCount:

  963.             return

  964. 

  965.         pwidget = self.fPluginList[pluginId]

  966.         if pwidget is None:

  967.             return

  968. 

  969.         pwidget.sendNoteOn(note)

  970. 

  971.     @pyqtSlot(int, int, int)

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

  973.         if pluginId >= self.fPluginCount:

  974.             return

  975. 

  976.         pwidget = self.fPluginList[pluginId]

  977.         if pwidget is None:

  978.             return

  979. 

  980.         pwidget.sendNoteOff(note)

  981. 

  982.     @pyqtSlot(int, int)

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

  984.         if pluginId >= self.fPluginCount:

  985.             return

  986. 

  987.         pwidget = self.fPluginList[pluginId]

  988.         if pwidget is None:

  989.             return

  990. 

  991.         if show == 0:

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

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

  994.         elif show == 1:

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

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

  997.         elif show == -1:

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

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

  1000. 

  1001.     @pyqtSlot(int)

  1002.     def slot_handleUpdateCallback(self, pluginId):

  1003.         if pluginId >= self.fPluginCount:

  1004.             return

  1005. 

  1006.         pwidget = self.fPluginList[pluginId]

  1007.         if pwidget is None:

  1008.             return

  1009. 

  1010.         pwidget.ui.edit_dialog.do_update()

  1011. 

  1012.     @pyqtSlot(int)

  1013.     def slot_handleReloadInfoCallback(self, pluginId):

  1014.         if pluginId >= self.fPluginCount:

  1015.             return

  1016. 

  1017.         pwidget = self.fPluginList[pluginId]

  1018.         if pwidget is None:

  1019.             return

  1020. 

  1021.         pwidget.ui.edit_dialog.reloadInfo()

  1022. 

  1023.     @pyqtSlot(int)

  1024.     def slot_handleReloadParametersCallback(self, pluginId):

  1025.         if pluginId >= self.fPluginCount:

  1026.             return

  1027. 

  1028.         pwidget = self.fPluginList[pluginId]

  1029.         if pwidget is None:

  1030.             return

  1031. 

  1032.         pwidget.ui.edit_dialog.reloadParameters()

  1033. 

  1034.     @pyqtSlot(int)

  1035.     def slot_handleReloadProgramsCallback(self, pluginId):

  1036.         if pluginId >= self.fPluginCount:

  1037.             return

  1038. 

  1039.         pwidget = self.fPluginList[pluginId]

  1040.         if pwidget is None:

  1041.             return

  1042. 

  1043.         pwidget.ui.edit_dialog.reloadPrograms()

  1044. 

  1045.     @pyqtSlot(int)

  1046.     def slot_handleReloadAllCallback(self, pluginId):

  1047.         if pluginId >= self.fPluginCount:

  1048.             return

  1049. 

  1050.         pwidget = self.fPluginList[pluginId]

  1051.         if pwidget is None:

  1052.             return

  1053. 

  1054.         pwidget.ui.edit_dialog.reloadAll()

  1055. 

  1056.     @pyqtSlot(str)

  1057.     def slot_handleErrorCallback(self, error):

  1058.         QMessageBox.critical(self, self.tr("Error"), error)

  1059. 

  1060.     @pyqtSlot()

  1061.     def slot_handleQuitCallback(self):

  1062.         CustomMessageBox(self, QMessageBox.Warning, self.tr("Warning"),

  1063.             self.tr("Engine has been stopped or crashed.\nPlease restart Carla"),

  1064.             self.tr("You may want to save your session now..."), QMessageBox.Ok, QMessageBox.Ok)

  1065. 

  1066.     def getExtraStuff(self, plugin):

  1067.         ptype = plugin['type']

  1068. 

  1069.         if ptype == PLUGIN_LADSPA:

  1070.             uniqueId = plugin['uniqueId']

  1071.             for rdfItem in self.fLadspaRdfList:

  1072.                 if rdfItem.UniqueID == uniqueId:

  1073.                     return pointer(rdfItem)

  1074. 

  1075.         elif ptype == PLUGIN_DSSI:

  1076.             if (plugin['hints'] & PLUGIN_HAS_GUI):

  1077.                 gui = findDSSIGUI(plugin['binary'], plugin['name'], plugin['label'])

  1078.                 if gui:

  1079.                     return gui.encode("utf-8")

  1080. 

  1081.         elif ptype == PLUGIN_SF2:

  1082.             if plugin['name'].endswith(" (16 outputs)"):

  1083.                 # return a dummy non-null pointer

  1084.                 INTPOINTER = POINTER(c_int)

  1085.                 ptr  = c_int(0x1)

  1086.                 addr = addressof(ptr)

  1087.                 return cast(addr, INTPOINTER)

  1088. 

  1089.         return c_nullptr

  1090. 

  1091.     def loadRDFs(self):

  1092.         # Save RDF info for later

  1093.         self.fLadspaRdfList = []

  1094. 

  1095.         if not haveLRDF:

  1096.             return

  1097. 

  1098.         settingsDir  = os.path.join(HOME, ".config", "Cadence")

  1099.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  1100. 

  1101.         if os.path.exists(frLadspaFile):

  1102.             frLadspa = open(frLadspaFile, 'r')

  1103. 

  1104.             try:

  1105.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  1106.             except:

  1107.                 pass

  1108. 

  1109.             frLadspa.close()

  1110. 

  1111.     def saveSettings(self):

  1112.         settings = QSettings()

  1113.         settings.setValue("Geometry", self.saveGeometry())

  1114.         settings.setValue("ShowToolbar", self.ui.toolBar.isVisible())

  1115. 

  1116.     def loadSettings(self, geometry):

  1117.         settings = QSettings()

  1118. 

  1119.         if geometry:

  1120.             self.restoreGeometry(settings.value("Geometry", ""))

  1121. 

  1122.             showToolbar = settings.value("ShowToolbar", True, type=bool)

  1123.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1124.             self.ui.toolBar.setVisible(showToolbar)

  1125. 

  1126.         self.fSavedSettings = {

  1127.             "Main/DefaultProjectFolder": settings.value("Main/DefaultProjectFolder", HOME, type=str),

  1128.             "Main/RefreshInterval": settings.value("Main/RefreshInterval", 50, type=int)

  1129.         }

  1130. 

  1131.         # ---------------------------------------------

  1132.         # plugin checks

  1133. 

  1134.         if settings.value("Engine/DisableChecks", False, type=bool):

  1135.             os.environ["CARLA_DISCOVERY_NO_PROCESSING_CHECKS"] = "true"

  1136. 

  1137.         elif os.getenv("CARLA_DISCOVERY_NO_PROCESSING_CHECKS"):

  1138.             os.environ.pop("CARLA_DISCOVERY_NO_PROCESSING_CHECKS")

  1139. 

  1140.         # ---------------------------------------------

  1141.         # plugin paths

  1142. 

  1143.         Carla.LADSPA_PATH = toList(settings.value("Paths/LADSPA", Carla.LADSPA_PATH))

  1144.         Carla.DSSI_PATH = toList(settings.value("Paths/DSSI", Carla.DSSI_PATH))

  1145.         Carla.LV2_PATH = toList(settings.value("Paths/LV2", Carla.LV2_PATH))

  1146.         Carla.VST_PATH = toList(settings.value("Paths/VST", Carla.VST_PATH))

  1147.         Carla.GIG_PATH = toList(settings.value("Paths/GIG", Carla.GIG_PATH))

  1148.         Carla.SF2_PATH = toList(settings.value("Paths/SF2", Carla.SF2_PATH))

  1149.         Carla.SFZ_PATH = toList(settings.value("Paths/SFZ", Carla.SFZ_PATH))

  1150. 

  1151.         os.environ["LADSPA_PATH"] = splitter.join(Carla.LADSPA_PATH)

  1152.         os.environ["DSSI_PATH"] = splitter.join(Carla.DSSI_PATH)

  1153.         os.environ["LV2_PATH"] = splitter.join(Carla.LV2_PATH)

  1154.         os.environ["VST_PATH"] = splitter.join(Carla.VST_PATH)

  1155.         os.environ["GIG_PATH"] = splitter.join(Carla.GIG_PATH)

  1156.         os.environ["SF2_PATH"] = splitter.join(Carla.SF2_PATH)

  1157.         os.environ["SFZ_PATH"] = splitter.join(Carla.SFZ_PATH)

  1158. 

  1159.     def timerEvent(self, event):

  1160.         if event.timerId() == self.fIdleTimerFast:

  1161.             Carla.host.engine_idle()

  1162. 

  1163.             for pwidget in self.fPluginList:

  1164.                 if pwidget is None:

  1165.                     break

  1166.                 pwidget.idleFast()

  1167. 

  1168.         elif event.timerId() == self.fIdleTimerSlow:

  1169.             for pwidget in self.fPluginList:

  1170.                 if pwidget is None:

  1171.                     break

  1172.                 pwidget.idleSlow()

  1173. 

  1174.         QMainWindow.timerEvent(self, event)

  1175. 

  1176.     def closeEvent(self, event):

  1177.         #if self.nsm_server:

  1178.             #self.nsm_server.stop()

  1179. 

  1180.         self.saveSettings()

  1181. 

  1182.         Carla.host.set_engine_about_to_close()

  1183.         self.removeAllPlugins()

  1184.         self.stopEngine()

  1185. 

  1186.         QMainWindow.closeEvent(self, event)

  1187. 

  1188. # ------------------------------------------------------------------------------------------------

  1189. 

  1190. def callbackFunction(ptr, action, pluginId, value1, value2, value3, valueStr):

  1191.     if pluginId < 0 or not Carla.gui:

  1192.         return

  1193. 

  1194.     if action == CALLBACK_DEBUG:

  1195.         Carla.gui.emit(SIGNAL("DebugCallback(int, int, int, double, QString)"), pluginId, value1, value2, value3, cString(valueStr))

  1196.     elif action == CALLBACK_PLUGIN_ADDED:

  1197.         Carla.gui.emit(SIGNAL("PluginAddedCallback(int)"), pluginId)

  1198.     elif action == CALLBACK_PLUGIN_REMOVED:

  1199.         Carla.gui.emit(SIGNAL("PluginRemovedCallback(int)"), pluginId)

  1200.     elif action == CALLBACK_PARAMETER_VALUE_CHANGED:

  1201.         Carla.gui.emit(SIGNAL("ParameterValueChangedCallback(int, int, double)"), pluginId, value1, value3)

  1202.     elif action == CALLBACK_PARAMETER_DEFAULT_CHANGED:

  1203.         Carla.gui.emit(SIGNAL("ParameterDefaultChangedCallback(int, int, double)"), pluginId, value1, value3)

  1204.     elif action == CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  1205.         Carla.gui.emit(SIGNAL("ParameterMidiChannelChangedCallback(int, int, int)"), pluginId, value1, value2)

  1206.     elif action == CALLBACK_PARAMETER_MIDI_CC_CHANGED:

  1207.         Carla.gui.emit(SIGNAL("ParameterMidiCcChangedCallback(int, int, int)"), pluginId, value1, value2)

  1208.     elif action == CALLBACK_PROGRAM_CHANGED:

  1209.         Carla.gui.emit(SIGNAL("ProgramChangedCallback(int, int)"), pluginId, value1)

  1210.     elif action == CALLBACK_MIDI_PROGRAM_CHANGED:

  1211.         Carla.gui.emit(SIGNAL("MidiProgramChangedCallback(int, int)"), pluginId, value1)

  1212.     elif action == CALLBACK_NOTE_ON:

  1213.         Carla.gui.emit(SIGNAL("NoteOnCallback(int, int, int, int)"), pluginId, value1, value2, value3)

  1214.     elif action == CALLBACK_NOTE_OFF:

  1215.         Carla.gui.emit(SIGNAL("NoteOffCallback(int, int, int)"), pluginId, value1, value2)

  1216.     elif action == CALLBACK_SHOW_GUI:

  1217.         Carla.gui.emit(SIGNAL("ShowGuiCallback(int, int)"), pluginId, value1)

  1218.     elif action == CALLBACK_UPDATE:

  1219.         Carla.gui.emit(SIGNAL("UpdateCallback(int)"), pluginId)

  1220.     elif action == CALLBACK_RELOAD_INFO:

  1221.         Carla.gui.emit(SIGNAL("ReloadInfoCallback(int)"), pluginId)

  1222.     elif action == CALLBACK_RELOAD_PARAMETERS:

  1223.         Carla.gui.emit(SIGNAL("ReloadParametersCallback(int)"), pluginId)

  1224.     elif action == CALLBACK_RELOAD_PROGRAMS:

  1225.         Carla.gui.emit(SIGNAL("ReloadProgramsCallback(int)"), pluginId)

  1226.     elif action == CALLBACK_RELOAD_ALL:

  1227.         Carla.gui.emit(SIGNAL("ReloadAllCallback(int)"), pluginId)

  1228.     #elif action == CALLBACK_NSM_ANNOUNCE:

  1229.         #Carla.gui._nsmAnnounce2str = cString(Carla.host.get_last_error())

  1230.         #Carla.gui.emit(SIGNAL("NSM_AnnounceCallback()"))

  1231.     #elif action == CALLBACK_NSM_OPEN1:

  1232.         #Carla.gui._nsmOpen1str = cString(valueStr)

  1233.         #Carla.gui.emit(SIGNAL("NSM_Open1Callback()"))

  1234.     #elif action == CALLBACK_NSM_OPEN2:

  1235.         #Carla.gui._nsmOpen2str = cString(valueStr)

  1236.         #Carla.gui.emit(SIGNAL("NSM_Open2Callback()"))

  1237.     #elif action == CALLBACK_NSM_SAVE:

  1238.         #Carla.gui.emit(SIGNAL("NSM_SaveCallback()"))

  1239.     elif action == CALLBACK_ERROR:

  1240.         Carla.gui.emit(SIGNAL("ErrorCallback(QString)"), valueStr)

  1241.     elif action == CALLBACK_QUIT:

  1242.         Carla.gui.emit(SIGNAL("QuitCallback()"))

  1243. 

  1244. #--------------- main ------------------

  1245. if __name__ == '__main__':

  1246.     # App initialization

  1247.     app = QApplication(sys.argv)

  1248.     app.setApplicationName("Carla")

  1249.     app.setApplicationVersion(VERSION)

  1250.     app.setOrganizationName("Cadence")

  1251.     app.setWindowIcon(QIcon(":/scalable/carla.svg"))

  1252. 

  1253.     libPrefix = None

  1254.     projectFilename = None

  1255. 

  1256.     for i in range(len(app.arguments())):

  1257.         if i == 0: continue

  1258.         argument = app.arguments()[i]

  1259. 

  1260.         if argument.startswith("--with-libprefix="):

  1261.             libPrefix = argument.replace("--with-libprefix=", "")

  1262. 

  1263.         elif os.path.exists(argument):

  1264.             projectFilename = argument

  1265. 

  1266.     # Init backend

  1267.     Carla.host = Host(libPrefix)

  1268.     Carla.host.set_callback_function(callbackFunction)

  1269.     Carla.host.set_option(OPTION_PROCESS_NAME, 0, "carla")

  1270. 

  1271.     # Set bridge paths

  1272.     if carla_bridge_native:

  1273.         Carla.host.set_option(OPTION_PATH_BRIDGE_NATIVE, 0, carla_bridge_native)

  1274. 

  1275.     if carla_bridge_posix32:

  1276.         Carla.host.set_option(OPTION_PATH_BRIDGE_POSIX32, 0, carla_bridge_posix32)

  1277. 

  1278.     if carla_bridge_posix64:

  1279.         Carla.host.set_option(OPTION_PATH_BRIDGE_POSIX64, 0, carla_bridge_posix64)

  1280. 

  1281.     if carla_bridge_win32:

  1282.         Carla.host.set_option(OPTION_PATH_BRIDGE_WIN32, 0, carla_bridge_win32)

  1283. 

  1284.     if carla_bridge_win64:

  1285.         Carla.host.set_option(OPTION_PATH_BRIDGE_WIN64, 0, carla_bridge_win64)

  1286. 

  1287.     if WINDOWS:

  1288.         if carla_bridge_lv2_windows:

  1289.             Carla.host.set_option(OPTION_PATH_BRIDGE_LV2_WINDOWS, 0, carla_bridge_lv2_windows)

  1290. 

  1291.         if carla_bridge_vst_hwnd:

  1292.             Carla.host.set_option(OPTION_PATH_BRIDGE_VST_HWND, 0, carla_bridge_vst_hwnd)

  1293. 

  1294.     elif MACOS:

  1295.         if carla_bridge_lv2_cocoa:

  1296.             Carla.host.set_option(OPTION_PATH_BRIDGE_LV2_COCOA, 0, carla_bridge_lv2_cocoa)

  1297. 

  1298.         if carla_bridge_vst_cocoa:

  1299.             Carla.host.set_option(OPTION_PATH_BRIDGE_VST_COCOA, 0, carla_bridge_vst_cocoa)

  1300. 

  1301.     else:

  1302.         if carla_bridge_lv2_gtk2:

  1303.             Carla.host.set_option(OPTION_PATH_BRIDGE_LV2_GTK2, 0, carla_bridge_lv2_gtk2)

  1304. 

  1305.         if carla_bridge_lv2_gtk3:

  1306.             Carla.host.set_option(OPTION_PATH_BRIDGE_LV2_GTK3, 0, carla_bridge_lv2_gtk3)

  1307. 

  1308.         if carla_bridge_lv2_qt4:

  1309.             Carla.host.set_option(OPTION_PATH_BRIDGE_LV2_QT4, 0, carla_bridge_lv2_qt4)

  1310. 

  1311.         if carla_bridge_lv2_qt5:

  1312.             Carla.host.set_option(OPTION_PATH_BRIDGE_LV2_QT5, 0, carla_bridge_lv2_qt5)

  1313. 

  1314.         if carla_bridge_lv2_x11:

  1315.             Carla.host.set_option(OPTION_PATH_BRIDGE_LV2_X11, 0, carla_bridge_lv2_x11)

  1316. 

  1317.         if carla_bridge_vst_x11:

  1318.             Carla.host.set_option(OPTION_PATH_BRIDGE_VST_X11, 0, carla_bridge_vst_x11)

  1319. 

  1320.     # Create GUI and start engine

  1321.     Carla.gui = CarlaMainW()

  1322. 

  1323.     # Set-up custom signal handling

  1324.     setUpSignals()

  1325. 

  1326.     # Show GUI

  1327.     Carla.gui.show()

  1328. 

  1329.     # Load project file if set

  1330.     if projectFilename:

  1331.         Carla.gui.loadProjectLater(projectFilename)

  1332. 

  1333.     # App-Loop

  1334.     ret = app.exec_()

  1335. 

  1336.     # Exit properly

  1337.     sys.exit(ret)