#!/usr/bin/env python3 # -*- coding: utf-8 -*- # Carla host code # Copyright (C) 2011-2014 Filipe Coelho # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License as # published by the Free Software Foundation; either version 2 of # the License, or any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # For a full copy of the GNU General Public License see the doc/GPL.txt file. # ------------------------------------------------------------------------------------------------------------ # Imports (Config) from carla_config import * # ------------------------------------------------------------------------------------------------------------ # Imports (Global) if config_UseQt5: from PyQt5.QtCore import qCritical, QModelIndex, QTimer from PyQt5.QtGui import QPalette from PyQt5.QtWidgets import QApplication, QFileSystemModel, QListWidgetItem, QMainWindow else: from PyQt4.QtCore import qCritical, QModelIndex, QTimer from PyQt4.QtGui import QApplication, QFileSystemModel, QListWidgetItem, QMainWindow, QPalette # ------------------------------------------------------------------------------------------------------------ # Imports (Custom) import ui_carla_host from carla_database import * from carla_settings import * from carla_style import * from carla_widgets import * # ------------------------------------------------------------------------------------------------------------ # PatchCanvas defines CANVAS_ANTIALIASING_SMALL = 1 CANVAS_EYECANDY_SMALL = 1 # ------------------------------------------------------------------------------------------------------------ # Session Management support LADISH_APP_NAME = os.getenv("LADISH_APP_NAME") NSM_URL = os.getenv("NSM_URL") # ------------------------------------------------------------------------------------------------------------ # Dummy widget class CarlaDummyW(object): def __init__(self, parent): object.__init__(self) # ----------------------------------------------------------------- def getPluginCount(self): return 0 # ----------------------------------------------------------------- def addPlugin(self, pluginId, isProjectLoading): pass def removePlugin(self, pluginId): pass def renamePlugin(self, pluginId, newName): pass def disablePlugin(self, pluginId, errorMsg): pass def removeAllPlugins(self): pass # ----------------------------------------------------------------- def engineStarted(self): pass def engineStopped(self): pass def engineChanged(self): pass # ----------------------------------------------------------------- def idleFast(self): pass def idleSlow(self): pass # ----------------------------------------------------------------- def projectLoadingStarted(self): pass def projectLoadingFinished(self): pass # ----------------------------------------------------------------- def saveSettings(self, settings): pass def showEditDialog(self, pluginId): pass # ------------------------------------------------------------------------------------------------------------ # Host Window class HostWindow(QMainWindow): # signals DebugCallback = pyqtSignal(int, int, int, float, str) PluginAddedCallback = pyqtSignal(int, str) PluginRemovedCallback = pyqtSignal(int) PluginRenamedCallback = pyqtSignal(int, str) PluginUnavailableCallback = pyqtSignal(int, str) ParameterValueChangedCallback = pyqtSignal(int, int, float) ParameterDefaultChangedCallback = pyqtSignal(int, int, float) ParameterMidiCcChangedCallback = pyqtSignal(int, int, int) ParameterMidiChannelChangedCallback = pyqtSignal(int, int, int) ProgramChangedCallback = pyqtSignal(int, int) MidiProgramChangedCallback = pyqtSignal(int, int) UiStateChangedCallback = pyqtSignal(int, int) NoteOnCallback = pyqtSignal(int, int, int, int) NoteOffCallback = pyqtSignal(int, int, int) UpdateCallback = pyqtSignal(int) ReloadInfoCallback = pyqtSignal(int) ReloadParametersCallback = pyqtSignal(int) ReloadProgramsCallback = pyqtSignal(int) ReloadAllCallback = pyqtSignal(int) PatchbayClientAddedCallback = pyqtSignal(int, int, int, str) PatchbayClientRemovedCallback = pyqtSignal(int) PatchbayClientRenamedCallback = pyqtSignal(int, str) PatchbayClientDataChangedCallback = pyqtSignal(int, int, int) PatchbayPortAddedCallback = pyqtSignal(int, int, int, str) PatchbayPortRemovedCallback = pyqtSignal(int, int) PatchbayPortRenamedCallback = pyqtSignal(int, int, str) PatchbayConnectionAddedCallback = pyqtSignal(int, int, int) PatchbayConnectionRemovedCallback = pyqtSignal(int, int, int) EngineStartedCallback = pyqtSignal(int, int, str) EngineStoppedCallback = pyqtSignal() ProcessModeChangedCallback = pyqtSignal(int) TransportModeChangedCallback = pyqtSignal(int) BufferSizeChangedCallback = pyqtSignal(int) SampleRateChangedCallback = pyqtSignal(float) InfoCallback = pyqtSignal(str) ErrorCallback = pyqtSignal(str) QuitCallback = pyqtSignal() SIGTERM = pyqtSignal() SIGUSR1 = pyqtSignal() def __init__(self, parent): QMainWindow.__init__(self, parent) self.ui = ui_carla_host.Ui_CarlaHostW() self.ui.setupUi(self) if False: # kdevelop likes this :) gCarla.gui = self gCarla.host = Host("") self.fContainer = CarlaDummyW(self) # ------------------------------------------------------------- # Set callback, TODO put somewhere else if gCarla.host is not None: gCarla.host.set_engine_callback(engineCallback) gCarla.host.set_file_callback(fileCallback) # ------------------------------------------------------------- # Internal stuff self.fIdleTimerFast = 0 self.fIdleTimerSlow = 0 self.fIsProjectLoading = False self.fProjectFilename = "" self.fLadspaRdfNeedsUpdate = True self.fLadspaRdfList = [] self.fLastTransportFrame = 0 self.fLastTransportState = False self.fTransportText = "" # when true, call engineChanged() asap self.fEngineChanged = False # first attempt of auto-start engine doesn't show an error self.fFirstEngineInit = True self.fSavedSettings = {} if LADISH_APP_NAME: self.fClientName = LADISH_APP_NAME self.fSessionManagerName = "LADISH" elif NSM_URL: self.fClientName = "Carla.tmp" self.fSessionManagerName = "Non Session Manager" else: self.fClientName = "Carla" self.fSessionManagerName = "" # ------------------------------------------------------------- # Load Settings self.loadSettings(True) # ------------------------------------------------------------- # Set up GUI (engine stopped) if gCarla.isPlugin: self.ui.act_file_new.setEnabled(False) self.ui.act_file_open.setEnabled(False) self.ui.act_engine_start.setEnabled(False) self.ui.menu_Engine.setEnabled(False) else: self.ui.act_engine_start.setEnabled(True) self.ui.act_file_save.setEnabled(False) self.ui.act_file_save_as.setEnabled(False) self.ui.act_engine_stop.setEnabled(False) self.ui.act_plugin_remove_all.setEnabled(False) self.ui.menu_PluginMacros.setEnabled(False) self.ui.menu_Canvas.setEnabled(False) self.setTransportMenuEnabled(False) # ------------------------------------------------------------- # Set up GUI (disk) self.fDirModel = QFileSystemModel(self) self.fDirModel.setRootPath(HOME) if gCarla.host is not None: self.fDirModel.setNameFilters(gCarla.host.get_supported_file_extensions().split(";")) self.ui.fileTreeView.setModel(self.fDirModel) self.ui.fileTreeView.setRootIndex(self.fDirModel.index(HOME)) self.ui.fileTreeView.setColumnHidden(1, True) self.ui.fileTreeView.setColumnHidden(2, True) self.ui.fileTreeView.setColumnHidden(3, True) self.ui.fileTreeView.setHeaderHidden(True) # ------------------------------------------------------------- # Set up GUI (disk) #self.item1 = QListWidgetItem(self.ui.lw_plugins) #self.item1.setFlags(Qt.ItemIsSelectable|Qt.ItemIsEnabled|Qt.ItemIsDragEnabled) #self.item1.setIcon(QIcon(":/bitmaps/thumbs/zita-rev1.png")) #self.item1.setText("zita-rev1") #item1.setTextAlignment(Qt.ali) #self.ui.lw_plugins.() # ------------------------------------------------------------- self.setProperWindowTitle() # ------------------------------------------------------------- # Connect actions to functions self.ui.act_file_new.triggered.connect(self.slot_fileNew) self.ui.act_file_open.triggered.connect(self.slot_fileOpen) self.ui.act_file_save.triggered.connect(self.slot_fileSave) self.ui.act_file_save_as.triggered.connect(self.slot_fileSaveAs) self.ui.act_engine_start.triggered.connect(self.slot_engineStart) self.ui.act_engine_stop.triggered.connect(self.slot_engineStop) self.ui.act_plugin_add.triggered.connect(self.slot_pluginAdd) self.ui.act_plugin_add2.triggered.connect(self.slot_pluginAdd) self.ui.act_plugin_remove_all.triggered.connect(self.slot_pluginRemoveAll) self.ui.act_transport_play.triggered.connect(self.slot_transportPlayPause) self.ui.act_transport_stop.triggered.connect(self.slot_transportStop) self.ui.act_transport_backwards.triggered.connect(self.slot_transportBackwards) self.ui.act_transport_forwards.triggered.connect(self.slot_transportForwards) self.ui.act_help_about.triggered.connect(self.slot_aboutCarla) self.ui.act_help_about_qt.triggered.connect(self.slot_aboutQt) self.ui.cb_disk.currentIndexChanged.connect(self.slot_diskFolderChanged) self.ui.b_disk_add.clicked.connect(self.slot_diskFolderAdd) self.ui.b_disk_remove.clicked.connect(self.slot_diskFolderRemove) self.ui.fileTreeView.doubleClicked.connect(self.slot_fileTreeDoubleClicked) self.DebugCallback.connect(self.slot_handleDebugCallback) self.PluginAddedCallback.connect(self.slot_handlePluginAddedCallback) self.PluginRemovedCallback.connect(self.slot_handlePluginRemovedCallback) self.PluginRenamedCallback.connect(self.slot_handlePluginRenamedCallback) self.PluginUnavailableCallback.connect(self.slot_handlePluginUnavailableCallback) # parameter (rack, patchbay) # program, midi-program, ui-state (rack, patchbay) # note on, off (rack, patchbay) # update, reload (rack, patchbay) # patchbay self.EngineStartedCallback.connect(self.slot_handleEngineStartedCallback) self.EngineStoppedCallback.connect(self.slot_handleEngineStoppedCallback) self.ProcessModeChangedCallback.connect(self.slot_handleProcessModeChangedCallback) self.TransportModeChangedCallback.connect(self.slot_handleTransportModeChangedCallback) self.BufferSizeChangedCallback.connect(self.slot_handleBufferSizeChangedCallback) self.SampleRateChangedCallback.connect(self.slot_handleSampleRateChangedCallback) self.InfoCallback.connect(self.slot_handleInfoCallback) self.ErrorCallback.connect(self.slot_handleErrorCallback) self.QuitCallback.connect(self.slot_handleQuitCallback) self.SIGUSR1.connect(self.slot_handleSIGUSR1) self.SIGTERM.connect(self.slot_handleSIGTERM) # ------------------------------------------------------------- # Final setup QTimer.singleShot(0, self.slot_engineStart) #QTimer.singleShot(2000, self.slot_test) #@pyqtSlot() #def slot_test(self): #print("test started") #if not gCarla.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, "/usr/bin/zita-rev1", "name of client", "label of client", None): #print(gCarla.host.get_last_error()) #print("test ended") # ----------------------------------------------------------------- # Called by containers def openSettingsWindow(self, hasCanvas, hasCanvasGL): dialog = CarlaSettingsW(self, hasCanvas, hasCanvasGL) return dialog.exec_() def setupContainer(self, showCanvas, canvasThemeData = []): if showCanvas: canvasWidth, canvasHeight, canvasBg, canvasBrush, canvasPen = canvasThemeData self.ui.miniCanvasPreview.setViewTheme(canvasBg, canvasBrush, canvasPen) self.ui.miniCanvasPreview.init(self.fContainer.scene, canvasWidth, canvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]) else: self.ui.act_canvas_arrange.setVisible(False) self.ui.act_canvas_print.setVisible(False) self.ui.act_canvas_refresh.setVisible(False) self.ui.act_canvas_save_image.setVisible(False) self.ui.act_canvas_zoom_100.setVisible(False) self.ui.act_canvas_zoom_fit.setVisible(False) self.ui.act_canvas_zoom_in.setVisible(False) self.ui.act_canvas_zoom_out.setVisible(False) self.ui.act_settings_show_meters.setVisible(False) self.ui.act_settings_show_keyboard.setVisible(False) self.ui.menu_Canvas.setEnabled(False) self.ui.menu_Canvas.setVisible(False) self.ui.menu_Canvas_Zoom.setEnabled(False) self.ui.menu_Canvas_Zoom.setVisible(False) self.ui.miniCanvasPreview.hide() self.ui.splitter.insertWidget(1, self.fContainer) def updateContainer(self, canvasThemeData): canvasWidth, canvasHeight, canvasBg, canvasBrush, canvasPen = canvasThemeData self.ui.miniCanvasPreview.setViewTheme(canvasBg, canvasBrush, canvasPen) self.ui.miniCanvasPreview.init(self.fContainer.scene, canvasWidth, canvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]) # ----------------------------------------------------------------- # Internal stuff (files) def loadProjectNow(self): if not self.fProjectFilename: return qCritical("ERROR: loading project without filename set") self.fContainer.projectLoadingStarted() self.fIsProjectLoading = True gCarla.host.load_project(self.fProjectFilename) self.fIsProjectLoading = False self.fContainer.projectLoadingFinished() @pyqtSlot() def slot_loadProjectNow(self): self.loadProjectNow() def loadProjectLater(self, filename): self.fProjectFilename = filename self.setProperWindowTitle() QTimer.singleShot(0, self.slot_loadProjectNow) def saveProjectNow(self): if not self.fProjectFilename: return qCritical("ERROR: saving project without filename set") gCarla.host.save_project(self.fProjectFilename) # ----------------------------------------------------------------- # Internal stuff (engine) def setEngineSettings(self, settings = None): if gCarla.isPlugin: return "Plugin" if settings is None: settings = QSettings() # ------------------------------------------------------------- # read settings # bool values try: forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, type=bool) except: forceStereo = CARLA_DEFAULT_FORCE_STEREO try: preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, type=bool) except: preferPluginBridges = CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES try: preferUiBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, type=bool) except: preferUiBridges = CARLA_DEFAULT_PREFER_UI_BRIDGES try: uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, type=bool) except: uisAlwaysOnTop = CARLA_DEFAULT_UIS_ALWAYS_ON_TOP # int values try: maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, type=int) except: maxParameters = CARLA_DEFAULT_MAX_PARAMETERS try: uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, type=int) except: uiBridgesTimeout = CARLA_DEFAULT_UI_BRIDGES_TIMEOUT # enums try: processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, type=int) except: processMode = CARLA_DEFAULT_PROCESS_MODE try: transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, type=int) except: transportMode = CARLA_DEFAULT_TRANSPORT_MODE # driver name try: audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, type=str) except: audioDriver = CARLA_DEFAULT_AUDIO_DRIVER # driver options try: audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", type=str) except: audioDevice = "" try: audioNumPeriods = settings.value("%s%s/NumPeriods" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_NUM_PERIODS, type=int) except: audioNumPeriods = CARLA_DEFAULT_AUDIO_NUM_PERIODS try: audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, type=int) except: audioBufferSize = CARLA_DEFAULT_AUDIO_BUFFER_SIZE try: audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, type=int) except: audioSampleRate = CARLA_DEFAULT_AUDIO_SAMPLE_RATE # ------------------------------------------------------------- # fix things if needed if processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK: forceStereo = True elif processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS and LADISH_APP_NAME: print("LADISH detected but using multiple clients (not allowed), forcing single client now") processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT if audioDriver != "JACK" and transportMode == ENGINE_TRANSPORT_MODE_JACK: transportMode = ENGINE_TRANSPORT_MODE_INTERNAL # ------------------------------------------------------------- # apply to engine gCarla.host.set_engine_option(ENGINE_OPTION_FORCE_STEREO, forceStereo, "") gCarla.host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP, uisAlwaysOnTop, "") if not gCarla.isPlugin: gCarla.host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, preferPluginBridges, "") gCarla.host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES, preferUiBridges, "") gCarla.host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS, maxParameters, "") gCarla.host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT, uiBridgesTimeout, "") gCarla.host.set_engine_option(ENGINE_OPTION_PROCESS_MODE, processMode, "") gCarla.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, transportMode, "") gCarla.host.set_engine_option(ENGINE_OPTION_AUDIO_NUM_PERIODS, audioNumPeriods, "") gCarla.host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "") gCarla.host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "") gCarla.host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE, 0, audioDevice) # save this for later gCarla.maxParameters = maxParameters # return selected driver name return audioDriver def startEngine(self): audioDriver = self.setEngineSettings() if not gCarla.host.engine_init(audioDriver, self.fClientName): if self.fFirstEngineInit: self.fFirstEngineInit = False return audioError = gCarla.host.get_last_error() if audioError: QMessageBox.critical(self, self.tr("Error"), self.tr("Could not connect to Audio backend '%s', possible reasons:\n%s" % (audioDriver, audioError))) else: QMessageBox.critical(self, self.tr("Error"), self.tr("Could not connect to Audio backend '%s'" % audioDriver)) return self.fFirstEngineInit = False def stopEngine(self): if self.fContainer.getPluginCount() > 0: 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" "Do you want to do this now?"), QMessageBox.Yes | QMessageBox.No, QMessageBox.No) if ask != QMessageBox.Yes: return self.ui.act_plugin_remove_all.setEnabled(False) self.fContainer.removeAllPlugins() if gCarla.host.is_engine_running() and not gCarla.host.engine_close(): print(gCarla.host.get_last_error()) # ----------------------------------------------------------------- # Internal stuff (plugins) def getExtraPtr(self, plugin): ptype = plugin['type'] if ptype == PLUGIN_LADSPA: uniqueId = plugin['uniqueId'] self.maybeLoadRDFs() for rdfItem in self.fLadspaRdfList: if rdfItem.UniqueID == uniqueId: return pointer(rdfItem) elif ptype in (PLUGIN_FILE_GIG, PLUGIN_FILE_SF2): if plugin['name'].lower().endswith(" (16 outputs)"): return c_char_p("true".encode("utf-8")) return None def maybeLoadRDFs(self): if not self.fLadspaRdfNeedsUpdate: return self.fLadspaRdfNeedsUpdate = False self.fLadspaRdfList = [] if not haveLRDF: return settingsDir = os.path.join(HOME, ".config", "falkTX") frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db") if os.path.exists(frLadspaFile): frLadspa = open(frLadspaFile, 'r') try: self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa)) except: pass frLadspa.close() def setLoadRDFsNeeded(self): self.fLadspaRdfNeedsUpdate = True # ----------------------------------------------------------------- # Internal stuff (transport) def refreshTransport(self, forced = False): if gCarla.sampleRate == 0.0 or not gCarla.host.is_engine_running(): return timeInfo = gCarla.host.get_transport_info() playing = bool(timeInfo['playing']) frame = int(timeInfo['frame']) if playing != self.fLastTransportState or forced: if playing: icon = getIcon("media-playback-pause") self.ui.act_transport_play.setChecked(True) self.ui.act_transport_play.setIcon(icon) self.ui.act_transport_play.setText(self.tr("&Pause")) else: icon = getIcon("media-playback-start") self.ui.act_transport_play.setChecked(False) self.ui.act_transport_play.setIcon(icon) self.ui.act_transport_play.setText(self.tr("&Play")) self.fLastTransportState = playing if frame != self.fLastTransportFrame or forced: time = frame / gCarla.sampleRate secs = time % 60 mins = (time / 60) % 60 hrs = (time / 3600) % 60 self.fTextTransport = "Transport %s, at %02i:%02i:%02i" % ("playing" if playing else "stopped", hrs, mins, secs) self.fLastTransportFrame = frame def setTransportMenuEnabled(self, enabled): self.ui.act_transport_play.setEnabled(enabled) self.ui.act_transport_stop.setEnabled(enabled) self.ui.act_transport_backwards.setEnabled(enabled) self.ui.act_transport_forwards.setEnabled(enabled) self.ui.menu_Transport.setEnabled(enabled) # ----------------------------------------------------------------- # Internal stuff (settings) def loadSettings(self, firstTime): settings = QSettings() if firstTime: self.restoreGeometry(settings.value("Geometry", "")) showToolbar = settings.value("ShowToolbar", True, type=bool) self.ui.act_settings_show_toolbar.setChecked(showToolbar) self.ui.toolBar.setVisible(showToolbar) if settings.contains("SplitterState"): self.ui.splitter.restoreState(settings.value("SplitterState", "")) else: self.ui.splitter.setSizes([210, 99999]) diskFolders = toList(settings.value("DiskFolders", [HOME])) self.ui.cb_disk.setItemData(0, HOME) for i in range(len(diskFolders)): if i == 0: continue folder = diskFolders[i] self.ui.cb_disk.addItem(os.path.basename(folder), folder) if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, type=bool): self.setUnifiedTitleAndToolBarOnMac(True) # --------------------------------------------- # plugin checks if settings.value("Engine/DisableChecks", False, type=bool): os.environ["CARLA_DISCOVERY_NO_PROCESSING_CHECKS"] = "true" elif os.getenv("CARLA_DISCOVERY_NO_PROCESSING_CHECKS"): os.environ.pop("CARLA_DISCOVERY_NO_PROCESSING_CHECKS") # --------------------------------------------- if not gCarla.isPlugin: # engine self.setEngineSettings(settings) # plugin paths LADSPA_PATH = toList(settings.value("Paths/LADSPA", gCarla.DEFAULT_LADSPA_PATH)) DSSI_PATH = toList(settings.value("Paths/DSSI", gCarla.DEFAULT_DSSI_PATH)) LV2_PATH = toList(settings.value("Paths/LV2", gCarla.DEFAULT_LV2_PATH)) VST_PATH = toList(settings.value("Paths/VST", gCarla.DEFAULT_VST_PATH)) AU_PATH = toList(settings.value("Paths/AU", gCarla.DEFAULT_AU_PATH)) CSOUND_PATH = toList(settings.value("Paths/CSOUND", gCarla.DEFAULT_CSOUND_PATH)) GIG_PATH = toList(settings.value("Paths/GIG", gCarla.DEFAULT_GIG_PATH)) SF2_PATH = toList(settings.value("Paths/SF2", gCarla.DEFAULT_SF2_PATH)) SFZ_PATH = toList(settings.value("Paths/SFZ", gCarla.DEFAULT_SFZ_PATH)) os.environ["LADSPA_PATH"] = splitter.join(LADSPA_PATH) os.environ["DSSI_PATH"] = splitter.join(DSSI_PATH) os.environ["LV2_PATH"] = splitter.join(LV2_PATH) os.environ["VST_PATH"] = splitter.join(VST_PATH) os.environ["AU_PATH"] = splitter.join(AU_PATH) os.environ["CSOUND_PATH"] = splitter.join(CSOUND_PATH) os.environ["GIG_PATH"] = splitter.join(GIG_PATH) os.environ["SF2_PATH"] = splitter.join(SF2_PATH) os.environ["SFZ_PATH"] = splitter.join(SFZ_PATH) # --------------------------------------------- # TODO self.fSavedSettings = { CARLA_KEY_MAIN_PROJECT_FOLDER: settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER, CARLA_DEFAULT_MAIN_PROJECT_FOLDER, type=str), CARLA_KEY_MAIN_REFRESH_INTERVAL: settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL, CARLA_DEFAULT_MAIN_REFRESH_INTERVAL, type=int), CARLA_KEY_CANVAS_THEME: settings.value(CARLA_KEY_CANVAS_THEME, CARLA_DEFAULT_CANVAS_THEME, type=str), CARLA_KEY_CANVAS_SIZE: settings.value(CARLA_KEY_CANVAS_SIZE, CARLA_DEFAULT_CANVAS_SIZE, type=str), CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS: settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS, CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS, type=bool), CARLA_KEY_CANVAS_USE_BEZIER_LINES: settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES, CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES, type=bool), CARLA_KEY_CANVAS_EYE_CANDY: settings.value(CARLA_KEY_CANVAS_EYE_CANDY, CARLA_DEFAULT_CANVAS_EYE_CANDY, type=int), CARLA_KEY_CANVAS_USE_OPENGL: settings.value(CARLA_KEY_CANVAS_USE_OPENGL, CARLA_DEFAULT_CANVAS_USE_OPENGL, type=bool), CARLA_KEY_CANVAS_ANTIALIASING: settings.value(CARLA_KEY_CANVAS_ANTIALIASING, CARLA_DEFAULT_CANVAS_ANTIALIASING, type=int), CARLA_KEY_CANVAS_HQ_ANTIALIASING: settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING, CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING, type=bool), CARLA_KEY_CUSTOM_PAINTING: (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, type=bool) and settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", type=str).lower() == "black") } # --------------------------------------------- if self.fIdleTimerFast != 0: self.killTimer(self.fIdleTimerFast) self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]) if self.fIdleTimerSlow != 0: self.killTimer(self.fIdleTimerSlow) self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*2) def saveSettings(self): settings = QSettings() settings.setValue("Geometry", self.saveGeometry()) settings.setValue("SplitterState", self.ui.splitter.saveState()) settings.setValue("ShowToolbar", self.ui.toolBar.isVisible()) diskFolders = [] for i in range(self.ui.cb_disk.count()): diskFolders.append(self.ui.cb_disk.itemData(i)) settings.setValue("DiskFolders", diskFolders) self.fContainer.saveSettings(settings) # ----------------------------------------------------------------- # Internal stuff (gui) def killTimers(self): if self.fIdleTimerFast != 0: self.killTimer(self.fIdleTimerFast) self.fIdleTimerFast = 0 if self.fIdleTimerSlow != 0: self.killTimer(self.fIdleTimerSlow) self.fIdleTimerSlow = 0 def setProperWindowTitle(self): title = self.fClientName if self.fProjectFilename: title += " - %s" % os.path.basename(self.fProjectFilename) if self.fSessionManagerName: title += " (%s)" % self.fSessionManagerName self.setWindowTitle(title) # ----------------------------------------------------------------- @pyqtSlot() def slot_fileNew(self): self.fContainer.removeAllPlugins() self.fProjectFilename = "" self.setProperWindowTitle() @pyqtSlot() def slot_fileOpen(self): fileFilter = self.tr("Carla Project File (*.carxp)") filenameTry = QFileDialog.getOpenFileName(self, self.tr("Open Carla Project File"), self.fSavedSettings[CARLA_KEY_MAIN_PROJECT_FOLDER], filter=fileFilter) if not filenameTry: return filename = filenameTry if isinstance(filenameTry, str) else filenameTry[0] newFile = True if self.fContainer.getPluginCount() > 0: ask = QMessageBox.question(self, self.tr("Question"), self.tr("There are some plugins loaded, do you want to remove them now?"), QMessageBox.Yes | QMessageBox.No, QMessageBox.No) newFile = (ask == QMessageBox.Yes) if newFile: self.fContainer.removeAllPlugins() self.fProjectFilename = filename self.setProperWindowTitle() self.loadProjectNow() else: filenameOld = self.fProjectFilename self.fProjectFilename = filename self.loadProjectNow() self.fProjectFilename = filenameOld @pyqtSlot() def slot_fileSave(self, saveAs=False): if self.fProjectFilename and not saveAs: return self.saveProjectNow() fileFilter = self.tr("Carla Project File (*.carxp)") filenameTry = QFileDialog.getSaveFileName(self, self.tr("Save Carla Project File"), self.fSavedSettings[CARLA_KEY_MAIN_PROJECT_FOLDER], filter=fileFilter) if not filenameTry: return filename = filenameTry if isinstance(filenameTry, str) else filenameTry[0] if not filename.endswith(".carxp"): filename += ".carxp" if self.fProjectFilename != filename: self.fProjectFilename = filename self.setProperWindowTitle() self.saveProjectNow() @pyqtSlot() def slot_fileSaveAs(self): self.slot_fileSave(True) # ----------------------------------------------------------------- @pyqtSlot() def slot_engineStart(self, doStart = True): if doStart: self.startEngine() check = gCarla.host.is_engine_running() self.ui.menu_PluginMacros.setEnabled(check) self.ui.menu_Canvas.setEnabled(check) if not gCarla.isPlugin: self.ui.act_file_save.setEnabled(check) self.ui.act_engine_start.setEnabled(not check) self.ui.act_engine_stop.setEnabled(check) if self.fSessionManagerName != "Non Session Manager": self.ui.act_file_open.setEnabled(check) self.ui.act_file_save_as.setEnabled(check) self.setTransportMenuEnabled(check) if check: if not gCarla.isPlugin: self.refreshTransport(True) self.fContainer.engineStarted() @pyqtSlot() def slot_engineStop(self, doStop = True): if doStop: self.stopEngine() # FIXME? if self.fContainer.getPluginCount() > 0: self.ui.act_plugin_remove_all.setEnabled(False) self.fContainer.removeAllPlugins() check = gCarla.host.is_engine_running() self.ui.menu_PluginMacros.setEnabled(check) self.ui.menu_Canvas.setEnabled(check) if not gCarla.isPlugin: self.ui.act_file_save.setEnabled(check) self.ui.act_engine_start.setEnabled(not check) self.ui.act_engine_stop.setEnabled(check) if self.fSessionManagerName != "Non Session Manager": self.ui.act_file_open.setEnabled(check) self.ui.act_file_save_as.setEnabled(check) self.setTransportMenuEnabled(check) if not check: self.fTextTransport = "" self.fContainer.engineStopped() # ----------------------------------------------------------------- @pyqtSlot() def slot_pluginAdd(self): dialog = PluginDatabaseW(self) if not dialog.exec_(): return if not gCarla.host.is_engine_running(): QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped")) return btype = dialog.fRetPlugin['build'] ptype = dialog.fRetPlugin['type'] filename = dialog.fRetPlugin['filename'] label = dialog.fRetPlugin['label'] uniqueId = dialog.fRetPlugin['uniqueId'] extraPtr = self.getExtraPtr(dialog.fRetPlugin) if not gCarla.host.add_plugin(btype, ptype, filename, None, label, uniqueId, extraPtr): CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"), gCarla.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok) return @pyqtSlot() def slot_pluginRemoveAll(self): self.ui.act_plugin_remove_all.setEnabled(False) count = self.fContainer.getPluginCount() if count == 0: return self.fContainer.projectLoadingStarted() app = QApplication.instance() for i in range(count): app.processEvents() gCarla.host.remove_plugin(count-i-1) self.fContainer.projectLoadingFinished() #self.fContainer.removeAllPlugins() #gCarla.host.remove_all_plugins() # ----------------------------------------------------------------- @pyqtSlot(bool) def slot_transportPlayPause(self, toggled): if not gCarla.host.is_engine_running(): return if toggled: gCarla.host.transport_play() else: gCarla.host.transport_pause() self.refreshTransport() @pyqtSlot() def slot_transportStop(self): if not gCarla.host.is_engine_running(): return gCarla.host.transport_pause() gCarla.host.transport_relocate(0) self.refreshTransport() @pyqtSlot() def slot_transportBackwards(self): if not gCarla.host.is_engine_running(): return newFrame = gCarla.host.get_current_transport_frame() - 100000 if newFrame < 0: newFrame = 0 gCarla.host.transport_relocate(newFrame) @pyqtSlot() def slot_transportForwards(self): if not gCarla.host.is_engine_running(): return newFrame = gCarla.host.get_current_transport_frame() + 100000 gCarla.host.transport_relocate(newFrame) # ----------------------------------------------------------------- @pyqtSlot() def slot_aboutCarla(self): CarlaAboutW(self).exec_() @pyqtSlot() def slot_aboutQt(self): QApplication.instance().aboutQt() # ----------------------------------------------------------------- @pyqtSlot(int) def slot_diskFolderChanged(self, index): if index < 0: return elif index == 0: filename = HOME self.ui.b_disk_remove.setEnabled(False) else: filename = self.ui.cb_disk.itemData(index) self.ui.b_disk_remove.setEnabled(True) self.fDirModel.setRootPath(filename) self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename)) @pyqtSlot() def slot_diskFolderAdd(self): newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly) if newPath: if newPath[-1] == os.sep: newPath = newPath[:-1] self.ui.cb_disk.addItem(os.path.basename(newPath), newPath) self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1) self.ui.b_disk_remove.setEnabled(True) @pyqtSlot() def slot_diskFolderRemove(self): index = self.ui.cb_disk.currentIndex() if index <= 0: return self.ui.cb_disk.removeItem(index) if self.ui.cb_disk.currentIndex() == 0: self.ui.b_disk_remove.setEnabled(False) @pyqtSlot(QModelIndex) def slot_fileTreeDoubleClicked(self, modelIndex): filename = self.fDirModel.filePath(modelIndex) if not gCarla.host.load_file(filename): CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load file"), gCarla.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok) # ----------------------------------------------------------------- @pyqtSlot(int, int, int, float, str) def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valueStr): print("DEBUG:", pluginId, value1, value2, value3, valueStr) #self.ui.pte_log.appendPlainText(valueStr.replace("", "DEBUG: ").replace("", "ERROR: ").replace("", "").replace("\n", "")) # ----------------------------------------------------------------- @pyqtSlot(int, str) def slot_handlePluginAddedCallback(self, pluginId, pluginName): self.fContainer.addPlugin(pluginId, self.fIsProjectLoading) if self.fContainer.getPluginCount() == 1: self.ui.act_plugin_remove_all.setEnabled(True) @pyqtSlot(int) def slot_handlePluginRemovedCallback(self, pluginId): self.fContainer.removePlugin(pluginId) if self.fContainer.getPluginCount() == 0: self.ui.act_plugin_remove_all.setEnabled(False) @pyqtSlot(int, str) def slot_handlePluginRenamedCallback(self, pluginId, newName): self.fContainer.renamePlugin(pluginId, newName) @pyqtSlot(int, str) def slot_handlePluginUnavailableCallback(self, pluginId, errorMsg): self.fContainer.disablePlugin(pluginId, errorMsg) # ----------------------------------------------------------------- @pyqtSlot(str) def slot_handleEngineStartedCallback(self, processMode, transportMode, driverName): gCarla.processMode = processMode gCarla.transportMode = transportMode gCarla.bufferSize = gCarla.host.get_buffer_size() gCarla.sampleRate = gCarla.host.get_sample_rate() self.slot_engineStart(False) if self.fIdleTimerFast == 0: self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]) if self.fIdleTimerSlow == 0: self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*2) @pyqtSlot() def slot_handleEngineStoppedCallback(self): self.killTimers() self.slot_engineStop(False) gCarla.bufferSize = 0 gCarla.sampleRate = 0.0 # ----------------------------------------------------------------- @pyqtSlot(int) def slot_handleProcessModeChangedCallback(self, newProcessMode): self.fEngineChanged = True @pyqtSlot(int) def slot_handleTransportModeChangedCallback(self, newTransportMode): self.fEngineChanged = True # ----------------------------------------------------------------- @pyqtSlot(int) def slot_handleBufferSizeChangedCallback(self, newBufferSize): self.fEngineChanged = True @pyqtSlot(float) def slot_handleSampleRateChangedCallback(self, newSampleRate): self.fEngineChanged = True # ----------------------------------------------------------------- @pyqtSlot(str) def slot_handleInfoCallback(self, info): QMessageBox.information(self, "Information", info) @pyqtSlot(str) def slot_handleErrorCallback(self, error): QMessageBox.critical(self, "Error", error) @pyqtSlot() def slot_handleQuitCallback(self): pass # ----------------------------------------------------------------- @pyqtSlot() def slot_handleSIGUSR1(self): print("Got SIGUSR1 -> Saving project now") QTimer.singleShot(0, self.slot_fileSave) @pyqtSlot() def slot_handleSIGTERM(self): print("Got SIGTERM -> Closing now") self.close() # ----------------------------------------------------------------- def timerEvent(self, event): if event.timerId() == self.fIdleTimerFast: #if not gCarla.isPlugin: gCarla.host.engine_idle() self.refreshTransport() self.fContainer.idleFast() elif event.timerId() == self.fIdleTimerSlow: if self.fEngineChanged: self.fContainer.engineChanged() self.fEngineChanged = False self.fContainer.idleSlow() QMainWindow.timerEvent(self, event) def closeEvent(self, event): self.killTimers() self.saveSettings() if gCarla.host.is_engine_running() and not gCarla.isPlugin: gCarla.host.set_engine_about_to_close() count = self.fContainer.getPluginCount() if count > 0: # simulate project loading, to disable container self.ui.act_plugin_remove_all.setEnabled(False) self.fContainer.projectLoadingStarted() app = QApplication.instance() for i in range(count): app.processEvents() gCarla.host.remove_plugin(count-i-1) app.processEvents() #self.fContainer.removeAllPlugins() #gCarla.host.remove_all_plugins() self.stopEngine() QMainWindow.closeEvent(self, event) # ------------------------------------------------------------------------------------------------------------ # Engine callback def engineCallback(ptr, action, pluginId, value1, value2, value3, valueStr): if action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED: gCarla.processMode = value1 if gCarla.gui is not None: gCarla.gui.ProcessModeChangedCallback.emit(value1) return if action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED: gCarla.transportMode = value1 if gCarla.gui is not None: gCarla.gui.TransportModeChangedCallback.emit(value1) return if action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED: gCarla.bufferSize = value1 if gCarla.gui is not None: gCarla.gui.BufferSizeChangedCallback.emit(value1) return if action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED: gCarla.sampleRate = value1 if gCarla.gui is not None: gCarla.gui.SampleRateChangedCallback.emit(value3) return if gCarla.gui is None: print("WARNING: Got engine callback but UI is not ready : ", pluginId, value1, value2, value3, valueStr) return valueStr = charPtrToString(valueStr) if action == ENGINE_CALLBACK_DEBUG: gCarla.gui.DebugCallback.emit(pluginId, value1, value2, value3, valueStr) elif action == ENGINE_CALLBACK_PLUGIN_ADDED: gCarla.gui.PluginAddedCallback.emit(pluginId, valueStr) elif action == ENGINE_CALLBACK_PLUGIN_REMOVED: gCarla.gui.PluginRemovedCallback.emit(pluginId) elif action == ENGINE_CALLBACK_PLUGIN_RENAMED: gCarla.gui.PluginRenamedCallback.emit(pluginId, valueStr) elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE: gCarla.gui.PluginUnavailableCallback.emit(pluginId, valueStr) elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED: gCarla.gui.ParameterValueChangedCallback.emit(pluginId, value1, value3) elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED: gCarla.gui.ParameterDefaultChangedCallback.emit(pluginId, value1, value3) elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CC_CHANGED: gCarla.gui.ParameterMidiCcChangedCallback.emit(pluginId, value1, value2) elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED: gCarla.gui.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2) elif action == ENGINE_CALLBACK_PROGRAM_CHANGED: gCarla.gui.ProgramChangedCallback.emit(pluginId, value1) elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED: gCarla.gui.MidiProgramChangedCallback.emit(pluginId, value1) elif action == ENGINE_CALLBACK_UI_STATE_CHANGED: gCarla.gui.UiStateChangedCallback.emit(pluginId, value1) elif action == ENGINE_CALLBACK_NOTE_ON: gCarla.gui.NoteOnCallback.emit(pluginId, value1, value2, int(value3)) elif action == ENGINE_CALLBACK_NOTE_OFF: gCarla.gui.NoteOffCallback.emit(pluginId, value1, value2) elif action == ENGINE_CALLBACK_UPDATE: gCarla.gui.UpdateCallback.emit(pluginId) elif action == ENGINE_CALLBACK_RELOAD_INFO: gCarla.gui.ReloadInfoCallback.emit(pluginId) elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS: gCarla.gui.ReloadParametersCallback.emit(pluginId) elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS: gCarla.gui.ReloadProgramsCallback.emit(pluginId) elif action == ENGINE_CALLBACK_RELOAD_ALL: gCarla.gui.ReloadAllCallback.emit(pluginId) elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED: gCarla.gui.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr) elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED: gCarla.gui.PatchbayClientRemovedCallback.emit(pluginId) elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED: gCarla.gui.PatchbayClientRenamedCallback.emit(pluginId, valueStr) elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED: gCarla.gui.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2) elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED: gCarla.gui.PatchbayPortAddedCallback.emit(pluginId, value1, value2, valueStr) elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED: gCarla.gui.PatchbayPortRemovedCallback.emit(pluginId, value1) elif action == ENGINE_CALLBACK_PATCHBAY_PORT_RENAMED: gCarla.gui.PatchbayPortRenamedCallback.emit(pluginId, value1, valueStr) elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED: gCarla.gui.PatchbayConnectionAddedCallback.emit(pluginId, value1, value2) elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED: gCarla.gui.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2) elif action == ENGINE_CALLBACK_ENGINE_STARTED: gCarla.gui.EngineStartedCallback.emit(value1, value2, valueStr) elif action == ENGINE_CALLBACK_ENGINE_STOPPED: gCarla.gui.killTimers() gCarla.gui.EngineStoppedCallback.emit() elif action == ENGINE_CALLBACK_IDLE: QApplication.instance().processEvents() elif action == ENGINE_CALLBACK_INFO: gCarla.gui.InfoCallback.emit(valueStr) elif action == ENGINE_CALLBACK_ERROR: gCarla.gui.ErrorCallback.emit(valueStr) elif action == ENGINE_CALLBACK_QUIT: gCarla.gui.QuitCallback.emit() # ------------------------------------------------------------------------------------------------------------ # File callback def fileCallback(ptr, action, isDir, title, filter): if gCarla.gui is None: return None ret = "" if action == FILE_CALLBACK_DEBUG: pass elif action == FILE_CALLBACK_OPEN: ret = QFileDialog.getOpenFileName(gCarla.gui, charPtrToString(title), "", charPtrToString(filter) ) #, QFileDialog.ShowDirsOnly if isDir else 0x0) elif action == FILE_CALLBACK_SAVE: ret = QFileDialog.getSaveFileName(gCarla.gui, charPtrToString(title), "", charPtrToString(filter), QFileDialog.ShowDirsOnly if isDir else 0x0) if not ret: return None gCarla.gui._fileRet = c_char_p(ret.encode("utf-8")) retval = cast(byref(gCarla.gui._fileRet), POINTER(c_uintptr)) return retval.contents.value