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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_shared import *

  31. from carla_backend import * # FIXME, remove later

  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.         global LADSPA_PATH, DSSI_PATH, LV2_PATH, VST_PATH, GIG_PATH, SF2_PATH, SFZ_PATH

  179. 

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

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

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

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

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

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

  186.         sfzs = toList(settings.value("Paths/SFZ", 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.             global LADSPA_PATH, DSSI_PATH, LV2_PATH, VST_PATH, GIG_PATH, SF2_PATH, SFZ_PATH

  330. 

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

  332.                 LADSPA_PATH.sort()

  333.                 self.ui.lw_ladspa.clear()

  334. 

  335.                 for ladspa in LADSPA_PATH:

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

  337. 

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

  339.                 DSSI_PATH.sort()

  340.                 self.ui.lw_dssi.clear()

  341. 

  342.                 for dssi in DSSI_PATH:

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

  344. 

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

  346.                 LV2_PATH.sort()

  347.                 self.ui.lw_lv2.clear()

  348. 

  349.                 for lv2 in LV2_PATH:

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

  351. 

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

  353.                 VST_PATH.sort()

  354.                 self.ui.lw_vst.clear()

  355. 

  356.                 for vst in VST_PATH:

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

  358. 

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

  360.                 GIG_PATH.sort()

  361.                 self.ui.lw_gig.clear()

  362. 

  363.                 for gig in GIG_PATH:

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

  365. 

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

  367.                 SF2_PATH.sort()

  368.                 self.ui.lw_sf2.clear()

  369. 

  370.                 for sf2 in SF2_PATH:

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

  372. 

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

  374.                 SFZ_PATH.sort()

  375.                 self.ui.lw_sfz.clear()

  376. 

  377.                 for sfz in SFZ_PATH:

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

  379. 

  380.     @pyqtSlot()

  381.     def slot_getAndSetProjectPath(self):

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

  383. 

  384.     @pyqtSlot()

  385.     def slot_engineAudioDriverChanged(self):

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

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

  388.         else:

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

  390. 

  391.     @pyqtSlot()

  392.     def slot_addPluginPath(self):

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

  394.         if newPath:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  409. 

  410.     @pyqtSlot()

  411.     def slot_removePluginPath(self):

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  426. 

  427.     @pyqtSlot()

  428.     def slot_changePluginPath(self):

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  443.         else:

  444.             currentPath = ""

  445. 

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

  447.         if newPath:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  462. 

  463.     @pyqtSlot(int)

  464.     def slot_pluginPathTabChanged(self, index):

  465.         if index == 0:

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

  467.         elif index == 1:

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

  469.         elif index == 2:

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

  471.         elif index == 3:

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

  473.         elif index == 4:

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

  475.         elif index == 5:

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

  477.         elif index == 6:

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

  479.         else:

  480.             row = -1

  481. 

  482.         check = bool(row >= 0)

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

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

  485. 

  486.     @pyqtSlot(int)

  487.     def slot_pluginPathRowChanged(self, row):

  488.         check = bool(row >= 0)

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

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

  491. 

  492.     def done(self, r):

  493.         QDialog.done(self, r)

  494.         self.close()

  495. 

  496. # ------------------------------------------------------------------------------------------------------------

  497. # Main Window

  498. 

  499. class CarlaMainW(QMainWindow):

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

  501.         QMainWindow.__init__(self, parent)

  502.         self.ui =  ui_carla.Ui_CarlaMainW()

  503.         self.ui.setupUi(self)

  504. 

  505.         # -------------------------------------------------------------

  506.         # Load Settings

  507. 

  508.         self.loadSettings(True)

  509.         self.loadRDFs()

  510. 

  511.         self.setStyleSheet("""

  512.           QWidget#centralwidget {

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

  514.                 x1:0.0, y1:0.0,

  515.                 x2:0.2, y2:1.0,

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

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

  518.             );

  519.           }

  520.         """)

  521. 

  522.         # -------------------------------------------------------------

  523.         # Internal stuff

  524. 

  525.         self.fEngineStarted   = False

  526.         self.fFirstEngineInit = False

  527. 

  528.         self.fProjectFilename = None

  529.         self.fProjectLoading  = False

  530. 

  531.         self.fPluginCount = 0

  532.         self.fPluginList  = []

  533. 

  534.         self.fIdleTimerFast = 0

  535.         self.fIdleTimerSlow = 0

  536. 

  537.         #self._nsmAnnounce2str = ""

  538.         #self._nsmOpen1str = ""

  539.         #self._nsmOpen2str = ""

  540.         #self.nsm_server = None

  541.         #self.nsm_url = None

  542. 

  543.         # -------------------------------------------------------------

  544.         # Set-up GUI stuff

  545. 

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

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

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

  549. 

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

  551. 

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

  553.         #self.m_curEdit  = self.m_fakeEdit

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

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

  556. 

  557.         # -------------------------------------------------------------

  558.         # Connect actions to functions

  559. 

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

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

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

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

  564. 

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

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

  567. 

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

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

  570. 

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

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

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

  574. 

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

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

  577. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  601. 

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

  603. 

  604.         #if NSM_URL:

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

  606.         #else:

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

  608. 

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

  610.         # ---------------------------------------------

  611.         # Engine settings

  612. 

  613.         settings = QSettings()

  614. 

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

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

  617. 

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

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

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

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

  622. 

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

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

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

  626. 

  627.         if Carla.processMode == PROCESS_MODE_CONTINUOUS_RACK:

  628.             forceStereo = True

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

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

  631.             Carla.processMode = PROCESS_MODE_SINGLE_CLIENT

  632. 

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

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

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

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

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

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

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

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

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

  642. 

  643.         # ---------------------------------------------

  644.         # Start

  645. 

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

  647. 

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

  649.             if self.fFirstEngineInit:

  650.                 self.fFirstEngineInit = False

  651.                 return

  652. 

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

  654. 

  655.             if audioError:

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

  657.             else:

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

  659.             return

  660. 

  661.         self.fEngineStarted   = True

  662.         self.fFirstEngineInit = False

  663. 

  664.         self.fPluginCount = 0

  665.         self.fPluginList  = []

  666. 

  667.         if Carla.processMode == PROCESS_MODE_CONTINUOUS_RACK:

  668.             maxCount = MAX_RACK_PLUGINS

  669.         elif Carla.processMode == PROCESS_MODE_PATCHBAY:

  670.             maxCount = MAX_PATCHBAY_PLUGINS

  671.         else:

  672.             maxCount = MAX_DEFAULT_PLUGINS

  673. 

  674.         for x in range(maxCount):

  675.             self.fPluginList.append(None)

  676. 

  677.         # Peaks

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

  679.         # LEDs and edit dialog parameters

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

  681. 

  682.     def stopEngine(self):

  683.         if self.fPluginCount > 0:

  684.             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"

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

  686.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  687.             if ask != QMessageBox.Yes:

  688.                 return

  689. 

  690.             self.removeAllPlugins()

  691. 

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

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

  694. 

  695.         self.fEngineStarted = False

  696.         self.fPluginCount = 0

  697.         self.fPluginList  = []

  698. 

  699.         self.killTimer(self.fIdleTimerFast)

  700.         self.killTimer(self.fIdleTimerSlow)

  701. 

  702.     def loadProject(self, filename):

  703.         self.fProjectFilename = filename

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

  705. 

  706.         self.fProjectLoading = True

  707.         Carla.host.load_project(filename)

  708.         self.fProjectLoading = False

  709. 

  710.     def loadProjectLater(self, filename):

  711.         self.fProjectFilename = filename

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

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

  714. 

  715.     def saveProject(self, filename):

  716.         self.fProjectFilename = filename

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

  718.         Carla.host.save_project(filename)

  719. 

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

  721.         if not self.fEngineStarted:

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

  723.             return False

  724. 

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

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

  727.             return False

  728. 

  729.         return True

  730. 

  731.     def removeAllPlugins(self):

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

  733.             pass

  734. 

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

  736. 

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

  738.             pwidget = self.fPluginList[i]

  739. 

  740.             if pwidget is None:

  741.                 break

  742. 

  743.             self.fPluginList[i] = None

  744. 

  745.             pwidget.ui.edit_dialog.close()

  746.             pwidget.close()

  747.             pwidget.deleteLater()

  748.             del pwidget

  749. 

  750.         self.fPluginCount = 0

  751. 

  752.         Carla.host.remove_all_plugins()

  753. 

  754.     @pyqtSlot()

  755.     def slot_fileNew(self):

  756.         self.removeAllPlugins()

  757.         self.fProjectFilename = None

  758.         self.fProjectLoading  = False

  759.         self.setWindowTitle("Carla")

  760. 

  761.     @pyqtSlot()

  762.     def slot_fileOpen(self):

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

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

  765. 

  766.         if filenameTry:

  767.             # FIXME - show dialog to user

  768.             self.removeAllPlugins()

  769.             self.loadProject(filenameTry)

  770. 

  771.     @pyqtSlot()

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

  773.         if self.fProjectFilename and not saveAs:

  774.             return self.saveProject(self.fProjectFilename)

  775. 

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

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

  778. 

  779.         if filenameTry:

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

  781.                 filenameTry += ".carxp"

  782. 

  783.             self.saveProject(filenameTry)

  784. 

  785.     @pyqtSlot()

  786.     def slot_fileSaveAs(self):

  787.         self.slot_fileSave(True)

  788. 

  789.     @pyqtSlot()

  790.     def slot_loadProjectLater(self):

  791.         self.fProjectLoading = True

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

  793.         self.fProjectLoading = False

  794. 

  795.     @pyqtSlot()

  796.     def slot_engineStart(self):

  797.         self.startEngine()

  798.         check = Carla.host.is_engine_running()

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

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

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

  802. 

  803.     @pyqtSlot()

  804.     def slot_engineStop(self):

  805.         self.stopEngine()

  806.         check = Carla.host.is_engine_running()

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

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

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

  810. 

  811.     @pyqtSlot()

  812.     def slot_pluginAdd(self):

  813.         dialog = PluginDatabaseW(self)

  814.         if dialog.exec_():

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

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

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

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

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

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

  821. 

  822.     @pyqtSlot()

  823.     def slot_pluginRemoveAll(self):

  824.         self.removeAllPlugins()

  825. 

  826.     @pyqtSlot()

  827.     def slot_aboutCarla(self):

  828.         CarlaAboutW(self).exec_()

  829. 

  830.     @pyqtSlot()

  831.     def slot_configureCarla(self):

  832.         CarlaSettingsW(self).exec_()

  833. 

  834.     @pyqtSlot()

  835.     def slot_handleSIGUSR1(self):

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

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

  838. 

  839.     @pyqtSlot()

  840.     def slot_handleSIGTERM(self):

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

  842.         self.close()

  843. 

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

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

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

  847. 

  848.     @pyqtSlot(int)

  849.     def slot_handlePluginAddedCallback(self, pluginId):

  850.         pwidget = PluginWidget(self, pluginId)

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

  852. 

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

  854. 

  855.         self.fPluginCount += 1

  856.         self.fPluginList[pluginId] = pwidget

  857. 

  858.         if not self.fProjectLoading:

  859.             pwidget.setActive(True, True, True)

  860. 

  861.         if self.fPluginCount == 1:

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

  863. 

  864.     @pyqtSlot(int)

  865.     def slot_handlePluginRemovedCallback(self, pluginId):

  866.         pwidget = self.fPluginList[pluginId]

  867.         if pwidget is None:

  868.             return

  869. 

  870.         self.fPluginList[pluginId] = None

  871.         self.fPluginCount -= 1

  872. 

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

  874. 

  875.         pwidget.ui.edit_dialog.close()

  876.         pwidget.close()

  877.         pwidget.deleteLater()

  878.         del pwidget

  879. 

  880.         # push all plugins 1 slot back

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

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

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

  884. 

  885.         if self.fPluginCount == 0:

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

  887. 

  888.     @pyqtSlot(int, int, float)

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

  890.         pwidget = self.fPluginList[pluginId]

  891.         if pwidget is None:

  892.             return

  893. 

  894.         pwidget.setParameterValue(parameterId, value)

  895. 

  896.     @pyqtSlot(int, int, float)

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

  898.         pwidget = self.fPluginList[pluginId]

  899.         if pwidget is None:

  900.             return

  901. 

  902.         pwidget.setParameterDefault(parameterId, value)

  903. 

  904.     @pyqtSlot(int, int, int)

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

  906.         pwidget = self.fPluginList[pluginId]

  907.         if pwidget is None:

  908.             return

  909. 

  910.         pwidget.setParameterMidiChannel(parameterId, channel)

  911. 

  912.     @pyqtSlot(int, int, int)

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

  914.         pwidget = self.fPluginList[pluginId]

  915.         if pwidget is None:

  916.             return

  917. 

  918.         pwidget.setParameterMidiControl(parameterId, cc)

  919. 

  920.     @pyqtSlot(int, int)

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

  922.         pwidget = self.fPluginList[pluginId]

  923.         if pwidget is None:

  924.             return

  925. 

  926.         pwidget.setProgram(programId)

  927. 

  928.     @pyqtSlot(int, int)

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

  930.         pwidget = self.fPluginList[pluginId]

  931.         if pwidget is None:

  932.             return

  933. 

  934.         pwidget.setMidiProgram(midiProgramId)

  935. 

  936.     @pyqtSlot(int, int, int, int)

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

  938.         pwidget = self.fPluginList[pluginId]

  939.         if pwidget is None:

  940.             return

  941. 

  942.         pwidget.sendNoteOn(note)

  943. 

  944.     @pyqtSlot(int, int, int)

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

  946.         pwidget = self.fPluginList[pluginId]

  947.         if pwidget is None:

  948.             return

  949. 

  950.         pwidget.sendNoteOff(note)

  951. 

  952.     @pyqtSlot(int, int)

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

  954.         pwidget = self.fPluginList[pluginId]

  955.         if pwidget is None:

  956.             return

  957. 

  958.         if show == 0:

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

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

  961.         elif show == 1:

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

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

  964.         elif show == -1:

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

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

  967. 

  968.     @pyqtSlot(int)

  969.     def slot_handleUpdateCallback(self, pluginId):

  970.         pwidget = self.fPluginList[pluginId]

  971.         if pwidget is None:

  972.             return

  973. 

  974.         pwidget.ui.edit_dialog.do_update()

  975. 

  976.     @pyqtSlot(int)

  977.     def slot_handleReloadInfoCallback(self, pluginId):

  978.         pwidget = self.fPluginList[pluginId]

  979.         if pwidget is None:

  980.             return

  981. 

  982.         pwidget.ui.edit_dialog.reloadInfo()

  983. 

  984.     @pyqtSlot(int)

  985.     def slot_handleReloadParametersCallback(self, pluginId):

  986.         pwidget = self.fPluginList[pluginId]

  987.         if pwidget is None:

  988.             return

  989. 

  990.         pwidget.ui.edit_dialog.reloadParameters()

  991. 

  992.     @pyqtSlot(int)

  993.     def slot_handleReloadProgramsCallback(self, pluginId):

  994.         pwidget = self.fPluginList[pluginId]

  995.         if pwidget is None:

  996.             return

  997. 

  998.         pwidget.ui.edit_dialog.reloadPrograms()

  999. 

  1000.     @pyqtSlot(int)

  1001.     def slot_handleReloadAllCallback(self, pluginId):

  1002.         pwidget = self.fPluginList[pluginId]

  1003.         if pwidget is None:

  1004.             return

  1005. 

  1006.         pwidget.ui.edit_dialog.reloadAll()

  1007. 

  1008.     @pyqtSlot(str)

  1009.     def slot_handleErrorCallback(self, error):

  1010.         QMessageBox.critical(self, self.tr("Error"), error)

  1011. 

  1012.     @pyqtSlot()

  1013.     def slot_handleQuitCallback(self):

  1014.         CustomMessageBox(self, QMessageBox.Warning, self.tr("Warning"),

  1015.             self.tr("Engine has been stopped or crashed.\nPlease restart Carla"),

  1016.             self.tr("You may want to save your session now..."), QMessageBox.Ok, QMessageBox.Ok)

  1017. 

  1018.     def getExtraStuff(self, plugin):

  1019.         ptype = plugin['type']

  1020. 

  1021.         if ptype == PLUGIN_LADSPA:

  1022.             uniqueId = plugin['uniqueId']

  1023.             for rdfItem in self.fLadspaRdfList:

  1024.                 if rdfItem.UniqueID == uniqueId:

  1025.                     return pointer(rdfItem)

  1026. 

  1027.         elif ptype == PLUGIN_DSSI:

  1028.             if (plugin['hints'] & PLUGIN_HAS_GUI):

  1029.                 gui = findDSSIGUI(plugin['binary'], plugin['name'], plugin['label'])

  1030.                 if gui:

  1031.                     return gui.encode("utf-8")

  1032. 

  1033.         return c_nullptr

  1034. 

  1035.     def loadRDFs(self):

  1036.         # Save RDF info for later

  1037.         self.fLadspaRdfList = []

  1038. 

  1039.         if not haveLRDF:

  1040.             return

  1041. 

  1042.         settingsDir  = os.path.join(HOME, ".config", "Cadence")

  1043.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  1044. 

  1045.         if os.path.exists(frLadspaFile):

  1046.             frLadspa = open(frLadspaFile, 'r')

  1047. 

  1048.             try:

  1049.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  1050.             except:

  1051.                 pass

  1052. 

  1053.             frLadspa.close()

  1054. 

  1055.     def saveSettings(self):

  1056.         settings = QSettings()

  1057.         settings.setValue("Geometry", self.saveGeometry())

  1058.         settings.setValue("ShowToolbar", self.ui.toolBar.isVisible())

  1059. 

  1060.     def loadSettings(self, geometry):

  1061.         settings = QSettings()

  1062. 

  1063.         if geometry:

  1064.             self.restoreGeometry(settings.value("Geometry", ""))

  1065. 

  1066.             showToolbar = settings.value("ShowToolbar", True, type=bool)

  1067.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1068.             self.ui.toolBar.setVisible(showToolbar)

  1069. 

  1070.         self.fSavedSettings = {

  1071.             "Main/DefaultProjectFolder": settings.value("Main/DefaultProjectFolder", HOME, type=str),

  1072.             "Main/RefreshInterval": settings.value("Main/RefreshInterval", 50, type=int)

  1073.         }

  1074. 

  1075.         # ---------------------------------------------

  1076.         # plugin checks

  1077. 

  1078.         if settings.value("Engine/DisableChecks", False, type=bool):

  1079.             os.environ["CARLA_DISCOVERY_NO_PROCESSING_CHECKS"] = "true"

  1080. 

  1081.         elif os.getenv("CARLA_DISCOVERY_NO_PROCESSING_CHECKS"):

  1082.             os.environ.pop("CARLA_DISCOVERY_NO_PROCESSING_CHECKS")

  1083. 

  1084.         # ---------------------------------------------

  1085.         # plugin paths

  1086. 

  1087.         global LADSPA_PATH, DSSI_PATH, LV2_PATH, VST_PATH, GIG_PATH, SF2_PATH, SFZ_PATH

  1088.         LADSPA_PATH = toList(settings.value("Paths/LADSPA", LADSPA_PATH))

  1089.         DSSI_PATH = toList(settings.value("Paths/DSSI", DSSI_PATH))

  1090.         LV2_PATH = toList(settings.value("Paths/LV2", LV2_PATH))

  1091.         VST_PATH = toList(settings.value("Paths/VST", VST_PATH))

  1092.         GIG_PATH = toList(settings.value("Paths/GIG", GIG_PATH))

  1093.         SF2_PATH = toList(settings.value("Paths/SF2", SF2_PATH))

  1094.         SFZ_PATH = toList(settings.value("Paths/SFZ", SFZ_PATH))

  1095. 

  1096.         os.environ["LADSPA_PATH"] = splitter.join(LADSPA_PATH)

  1097.         os.environ["DSSI_PATH"] = splitter.join(DSSI_PATH)

  1098.         os.environ["LV2_PATH"] = splitter.join(LV2_PATH)

  1099.         os.environ["VST_PATH"] = splitter.join(VST_PATH)

  1100.         os.environ["GIG_PATH"] = splitter.join(GIG_PATH)

  1101.         os.environ["SF2_PATH"] = splitter.join(SF2_PATH)

  1102.         os.environ["SFZ_PATH"] = splitter.join(SFZ_PATH)

  1103. 

  1104.     def timerEvent(self, event):

  1105.         if event.timerId() == self.fIdleTimerFast:

  1106.             Carla.host.engine_idle()

  1107. 

  1108.             for pwidget in self.fPluginList:

  1109.                 if pwidget is None:

  1110.                     break

  1111.                 pwidget.idleFast()

  1112. 

  1113.         elif event.timerId() == self.fIdleTimerSlow:

  1114.             for pwidget in self.fPluginList:

  1115.                 if pwidget is None:

  1116.                     break

  1117.                 pwidget.idleSlow()

  1118. 

  1119.         QMainWindow.timerEvent(self, event)

  1120. 

  1121.     def closeEvent(self, event):

  1122.         #if self.nsm_server:

  1123.             #self.nsm_server.stop()

  1124. 

  1125.         self.saveSettings()

  1126. 

  1127.         self.removeAllPlugins()

  1128.         self.stopEngine()

  1129. 

  1130.         QMainWindow.closeEvent(self, event)

  1131. 

  1132. # ------------------------------------------------------------------------------------------------

  1133. 

  1134. def callbackFunction(ptr, action, pluginId, value1, value2, value3, valueStr):

  1135.     if pluginId < 0 or not Carla.gui:

  1136.         return

  1137. 

  1138.     if action == CALLBACK_DEBUG:

  1139.         Carla.gui.emit(SIGNAL("DebugCallback(int, int, int, double, QString)"), pluginId, value1, value2, value3, cString(valueStr))

  1140.     elif action == CALLBACK_PLUGIN_ADDED:

  1141.         Carla.gui.emit(SIGNAL("PluginAddedCallback(int)"), pluginId)

  1142.     elif action == CALLBACK_PLUGIN_REMOVED:

  1143.         Carla.gui.emit(SIGNAL("PluginRemovedCallback(int)"), pluginId)

  1144.     elif action == CALLBACK_PARAMETER_VALUE_CHANGED:

  1145.         Carla.gui.emit(SIGNAL("ParameterValueChangedCallback(int, int, double)"), pluginId, value1, value3)

  1146.     elif action == CALLBACK_PARAMETER_DEFAULT_CHANGED:

  1147.         Carla.gui.emit(SIGNAL("ParameterDefaultChangedCallback(int, int, double)"), pluginId, value1, value3)

  1148.     elif action == CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  1149.         Carla.gui.emit(SIGNAL("ParameterMidiChannelChangedCallback(int, int, int)"), pluginId, value1, value2)

  1150.     elif action == CALLBACK_PARAMETER_MIDI_CC_CHANGED:

  1151.         Carla.gui.emit(SIGNAL("ParameterMidiCcChangedCallback(int, int, int)"), pluginId, value1, value2)

  1152.     elif action == CALLBACK_PROGRAM_CHANGED:

  1153.         Carla.gui.emit(SIGNAL("ProgramChangedCallback(int, int)"), pluginId, value1)

  1154.     elif action == CALLBACK_MIDI_PROGRAM_CHANGED:

  1155.         Carla.gui.emit(SIGNAL("MidiProgramChangedCallback(int, int)"), pluginId, value1)

  1156.     elif action == CALLBACK_NOTE_ON:

  1157.         Carla.gui.emit(SIGNAL("NoteOnCallback(int, int, int, int)"), pluginId, value1, value2, value3)

  1158.     elif action == CALLBACK_NOTE_OFF:

  1159.         Carla.gui.emit(SIGNAL("NoteOffCallback(int, int, int)"), pluginId, value1, value2)

  1160.     elif action == CALLBACK_SHOW_GUI:

  1161.         Carla.gui.emit(SIGNAL("ShowGuiCallback(int, int)"), pluginId, value1)

  1162.     elif action == CALLBACK_UPDATE:

  1163.         Carla.gui.emit(SIGNAL("UpdateCallback(int)"), pluginId)

  1164.     elif action == CALLBACK_RELOAD_INFO:

  1165.         Carla.gui.emit(SIGNAL("ReloadInfoCallback(int)"), pluginId)

  1166.     elif action == CALLBACK_RELOAD_PARAMETERS:

  1167.         Carla.gui.emit(SIGNAL("ReloadParametersCallback(int)"), pluginId)

  1168.     elif action == CALLBACK_RELOAD_PROGRAMS:

  1169.         Carla.gui.emit(SIGNAL("ReloadProgramsCallback(int)"), pluginId)

  1170.     elif action == CALLBACK_RELOAD_ALL:

  1171.         Carla.gui.emit(SIGNAL("ReloadAllCallback(int)"), pluginId)

  1172.     #elif action == CALLBACK_NSM_ANNOUNCE:

  1173.         #Carla.gui._nsmAnnounce2str = cString(Carla.host.get_last_error())

  1174.         #Carla.gui.emit(SIGNAL("NSM_AnnounceCallback()"))

  1175.     #elif action == CALLBACK_NSM_OPEN1:

  1176.         #Carla.gui._nsmOpen1str = cString(valueStr)

  1177.         #Carla.gui.emit(SIGNAL("NSM_Open1Callback()"))

  1178.     #elif action == CALLBACK_NSM_OPEN2:

  1179.         #Carla.gui._nsmOpen2str = cString(valueStr)

  1180.         #Carla.gui.emit(SIGNAL("NSM_Open2Callback()"))

  1181.     #elif action == CALLBACK_NSM_SAVE:

  1182.         #Carla.gui.emit(SIGNAL("NSM_SaveCallback()"))

  1183.     elif action == CALLBACK_ERROR:

  1184.         Carla.gui.emit(SIGNAL("ErrorCallback(QString)"), valueStr)

  1185.     elif action == CALLBACK_QUIT:

  1186.         Carla.gui.emit(SIGNAL("QuitCallback()"))

  1187. 

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

  1189. if __name__ == '__main__':

  1190.     # App initialization

  1191.     app = QApplication(sys.argv)

  1192.     app.setApplicationName("Carla")

  1193.     app.setApplicationVersion(VERSION)

  1194.     app.setOrganizationName("Cadence")

  1195.     app.setWindowIcon(QIcon(":/scalable/carla.svg"))

  1196. 

  1197.     libPrefix = None

  1198.     projectFilename = None

  1199. 

  1200.     for i in range(len(app.arguments())):

  1201.         if i == 0: continue

  1202.         argument = app.arguments()[i]

  1203. 

  1204.         if argument.startswith("--with-libprefix="):

  1205.             libPrefix = argument.replace("--with-libprefix=", "")

  1206. 

  1207.         elif os.path.exists(argument):

  1208.             projectFilename = argument

  1209. 

  1210.     # Init backend

  1211.     Carla.host = Host(libPrefix)

  1212.     Carla.host.set_callback_function(callbackFunction)

  1213.     Carla.host.set_option(OPTION_PROCESS_NAME, 0, "carla")

  1214. 

  1215.     # Set bridge paths

  1216.     if carla_bridge_native:

  1217.         Carla.host.set_option(OPTION_PATH_BRIDGE_NATIVE, 0, carla_bridge_native)

  1218. 

  1219.     if carla_bridge_posix32:

  1220.         Carla.host.set_option(OPTION_PATH_BRIDGE_POSIX32, 0, carla_bridge_posix32)

  1221. 

  1222.     if carla_bridge_posix64:

  1223.         Carla.host.set_option(OPTION_PATH_BRIDGE_POSIX64, 0, carla_bridge_posix64)

  1224. 

  1225.     if carla_bridge_win32:

  1226.         Carla.host.set_option(OPTION_PATH_BRIDGE_WIN32, 0, carla_bridge_win32)

  1227. 

  1228.     if carla_bridge_win64:

  1229.         Carla.host.set_option(OPTION_PATH_BRIDGE_WIN64, 0, carla_bridge_win64)

  1230. 

  1231.     if WINDOWS:

  1232.         if carla_bridge_lv2_windows:

  1233.             Carla.host.set_option(OPTION_PATH_BRIDGE_LV2_WINDOWS, 0, carla_bridge_lv2_windows)

  1234. 

  1235.         if carla_bridge_vst_hwnd:

  1236.             Carla.host.set_option(OPTION_PATH_BRIDGE_VST_HWND, 0, carla_bridge_vst_hwnd)

  1237. 

  1238.     elif MACOS:

  1239.         if carla_bridge_lv2_cocoa:

  1240.             Carla.host.set_option(OPTION_PATH_BRIDGE_LV2_COCOA, 0, carla_bridge_lv2_cocoa)

  1241. 

  1242.         if carla_bridge_vst_cocoa:

  1243.             Carla.host.set_option(OPTION_PATH_BRIDGE_VST_COCOA, 0, carla_bridge_vst_cocoa)

  1244. 

  1245.     else:

  1246.         if carla_bridge_lv2_gtk2:

  1247.             Carla.host.set_option(OPTION_PATH_BRIDGE_LV2_GTK2, 0, carla_bridge_lv2_gtk2)

  1248. 

  1249.         if carla_bridge_lv2_gtk3:

  1250.             Carla.host.set_option(OPTION_PATH_BRIDGE_LV2_GTK3, 0, carla_bridge_lv2_gtk3)

  1251. 

  1252.         if carla_bridge_lv2_qt4:

  1253.             Carla.host.set_option(OPTION_PATH_BRIDGE_LV2_QT4, 0, carla_bridge_lv2_qt4)

  1254. 

  1255.         if carla_bridge_lv2_qt5:

  1256.             Carla.host.set_option(OPTION_PATH_BRIDGE_LV2_QT5, 0, carla_bridge_lv2_qt5)

  1257. 

  1258.         if carla_bridge_lv2_x11:

  1259.             Carla.host.set_option(OPTION_PATH_BRIDGE_LV2_X11, 0, carla_bridge_lv2_x11)

  1260. 

  1261.         if carla_bridge_vst_x11:

  1262.             Carla.host.set_option(OPTION_PATH_BRIDGE_VST_X11, 0, carla_bridge_vst_x11)

  1263. 

  1264.     # Create GUI and start engine

  1265.     Carla.gui = CarlaMainW()

  1266. 

  1267.     # Set-up custom signal handling

  1268.     setUpSignals()

  1269. 

  1270.     # Show GUI

  1271.     Carla.gui.show()

  1272. 

  1273.     # Load project file if set

  1274.     if projectFilename:

  1275.         Carla.gui.loadProjectLater(projectFilename)

  1276. 

  1277.     # App-Loop

  1278.     ret = app.exec_()

  1279. 

  1280.     # Exit properly

  1281.     sys.exit(ret)