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

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  1. #!/usr/bin/env python3

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

  3. 

  4. # Carla host code

  5. # Copyright (C) 2011-2014 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 doc/GPL.txt file.

  18. 

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

  20. # Imports (Config)

  21. 

  22. from carla_config import *

  23. 

  24. # ------------------------------------------------------------------------------------------------------------

  25. # Imports (Global)

  26. 

  27. if config_UseQt5:

  28.     from PyQt5.QtCore import qCritical, QFileInfo, QModelIndex, QPointF, QTimer

  29.     from PyQt5.QtGui import QPalette

  30.     from PyQt5.QtWidgets import QAction, QApplication, QFileSystemModel, QListWidgetItem, QMainWindow

  31. else:

  32.     from PyQt4.QtCore import qCritical, QFileInfo, QModelIndex, QPointF, QTimer

  33.     from PyQt4.QtGui import QApplication, QFileSystemModel, QListWidgetItem, QMainWindow, QPalette

  34. 

  35. # ------------------------------------------------------------------------------------------------------------

  36. # Imports (Custom)

  37. 

  38. import patchcanvas

  39. import ui_carla_host

  40. 

  41. from carla_app import *

  42. from carla_database import *

  43. from carla_settings import *

  44. from carla_widgets import *

  45. from digitalpeakmeter import DigitalPeakMeter

  46. from pixmapkeyboard import PixmapKeyboardHArea

  47. 

  48. # ------------------------------------------------------------------------------------------------------------

  49. # Try Import OpenGL

  50. 

  51. try:

  52.     if config_UseQt5:

  53.         from PyQt5.QtOpenGL import QGLWidget

  54.     else:

  55.         from PyQt4.QtOpenGL import QGLWidget

  56.     hasGL = True

  57. except:

  58.     hasGL = False

  59. 

  60. # ------------------------------------------------------------------------------------------------------------

  61. # Session Management support

  62. 

  63. LADISH_APP_NAME = os.getenv("LADISH_APP_NAME")

  64. NSM_URL         = os.getenv("NSM_URL")

  65. 

  66. # ------------------------------------------------------------------------------------------------------------

  67. # Host Window

  68. 

  69. class HostWindow(QMainWindow, PluginEditParentMeta):

  70. #class HostWindow(QMainWindow, PluginEditParentMeta, metaclass=PyQtMetaClass):

  71.     # signals

  72.     SIGTERM = pyqtSignal()

  73.     SIGUSR1 = pyqtSignal()

  74. 

  75.     # --------------------------------------------------------------------------------------------------------

  76. 

  77.     def __init__(self, host, withCanvas=True, parent=None):

  78.         QMainWindow.__init__(self, parent)

  79.         self.host = host

  80.         self.ui = ui_carla_host.Ui_CarlaHostW()

  81.         self.ui.setupUi(self)

  82.         gCarla.gui = self

  83. 

  84.         if False:

  85.             # kdevelop likes this :)

  86.             host = CarlaHostMeta()

  87.             self.host = host

  88. 

  89.         # ----------------------------------------------------------------------------------------------------

  90.         # Internal stuff

  91. 

  92.         self.fIdleTimerFast = 0

  93.         self.fIdleTimerSlow = 0

  94. 

  95.         self.fLadspaRdfNeedsUpdate = True

  96.         self.fLadspaRdfList = []

  97. 

  98.         self.fPluginCount = 0

  99.         self.fPluginList  = []

  100. 

  101.         self.fProjectFilename  = ""

  102.         self.fIsProjectLoading = False

  103. 

  104.         # first attempt of auto-start engine doesn't show an error

  105.         self.fFirstEngineInit = True

  106. 

  107.         # to be filled with key-value pairs of current settings

  108.         self.fSavedSettings = {}

  109. 

  110.         if host.isPlugin:

  111.             self.fClientName         = "Carla-Plugin"

  112.             self.fSessionManagerName = "Plugin"

  113.         elif LADISH_APP_NAME:

  114.             self.fClientName         = LADISH_APP_NAME

  115.             self.fSessionManagerName = "LADISH"

  116.         elif NSM_URL:

  117.             self.fClientName         = "Carla" # "Carla.tmp"

  118.             self.fSessionManagerName = "Non Session Manager"

  119.         else:

  120.             self.fClientName         = "Carla"

  121.             self.fSessionManagerName = ""

  122. 

  123.         # ----------------------------------------------------------------------------------------------------

  124.         # Internal stuff (rack)

  125. 

  126.         self.fCurrentRow = -1

  127.         self.fLastSelectedItem = None

  128. 

  129.         # ----------------------------------------------------------------------------------------------------

  130.         # Internal stuff (patchbay)

  131. 

  132.         self.fMovingViaMiniCanvas = False

  133.         self.fPeaksCleared = True

  134. 

  135.         self.fExternalPatchbay = False

  136.         self.fSelectedPlugins  = []

  137. 

  138.         self.fCanvasWidth  = 0

  139.         self.fCanvasHeight = 0

  140. 

  141.         # ----------------------------------------------------------------------------------------------------

  142.         # Internal stuff (transport, TODO remove)

  143. 

  144.         self.fSampleRate = 0.0

  145.         self.fLastTransportFrame = 0

  146.         self.fLastTransportState = False

  147.         self.fTransportText = ""

  148. 

  149.         # ----------------------------------------------------------------------------------------------------

  150.         # Set up GUI (engine stopped)

  151. 

  152.         if self.host.isPlugin:

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

  154.             self.ui.menu_Engine.setEnabled(False)

  155.         else:

  156.             self.ui.act_engine_start.setEnabled(True)

  157. 

  158.         if self.fSessionManagerName:

  159.             self.ui.act_file_new.setEnabled(False)

  160. 

  161.         self.ui.act_file_open.setEnabled(False)

  162.         self.ui.act_file_save.setEnabled(False)

  163.         self.ui.act_file_save_as.setEnabled(False)

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

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

  166. 

  167.         self.ui.act_canvas_show_internal.setChecked(True)

  168.         self.ui.act_canvas_show_external.setChecked(False)

  169. 

  170.         self.ui.menu_PluginMacros.setEnabled(False)

  171.         self.ui.menu_Canvas.setEnabled(False)

  172. 

  173.         self.ui.dockWidgetTitleBar = QWidget(self)

  174.         self.ui.dockWidget.setTitleBarWidget(self.ui.dockWidgetTitleBar)

  175. 

  176.         self.setTransportMenuEnabled(False)

  177. 

  178.         if not withCanvas:

  179.             self.ui.act_canvas_show_internal.setEnabled(False)

  180.             self.ui.act_canvas_show_external.setEnabled(False)

  181.             self.ui.act_canvas_arrange.setVisible(False)

  182.             self.ui.act_canvas_print.setVisible(False)

  183.             self.ui.act_canvas_refresh.setVisible(False)

  184.             self.ui.act_canvas_save_image.setVisible(False)

  185.             self.ui.act_canvas_zoom_100.setVisible(False)

  186.             self.ui.act_canvas_zoom_fit.setVisible(False)

  187.             self.ui.act_canvas_zoom_in.setVisible(False)

  188.             self.ui.act_canvas_zoom_out.setVisible(False)

  189.             self.ui.act_settings_show_meters.setVisible(False)

  190.             self.ui.act_settings_show_keyboard.setVisible(False)

  191.             self.ui.menu_Canvas.setEnabled(False)

  192.             self.ui.menu_Canvas.setVisible(False)

  193.             self.ui.menu_Canvas_Zoom.setEnabled(False)

  194.             self.ui.menu_Canvas_Zoom.setVisible(False)

  195.             self.ui.miniCanvasPreview.hide()

  196. 

  197.         # ----------------------------------------------------------------------------------------------------

  198.         # Set up GUI (disk)

  199. 

  200.         self.fDirModel = QFileSystemModel(self)

  201.         self.fDirModel.setRootPath(HOME)

  202.         self.fDirModel.setNameFilters(host.get_supported_file_extensions().split(";"))

  203. 

  204.         self.ui.fileTreeView.setModel(self.fDirModel)

  205.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(HOME))

  206.         self.ui.fileTreeView.setColumnHidden(1, True)

  207.         self.ui.fileTreeView.setColumnHidden(2, True)

  208.         self.ui.fileTreeView.setColumnHidden(3, True)

  209.         self.ui.fileTreeView.setHeaderHidden(True)

  210. 

  211.         # ----------------------------------------------------------------------------------------------------

  212.         # Set up GUI (plugins)

  213. 

  214.         sb = self.ui.rack.verticalScrollBar()

  215.         self.ui.rackScrollBar = QScrollBar(Qt.Vertical, self)

  216.         self.ui.rackScrollBar.setMinimum(sb.minimum())

  217.         self.ui.rackScrollBar.setMaximum(sb.maximum())

  218.         self.ui.rackScrollBar.setValue(sb.value())

  219. 

  220.         sb.rangeChanged.connect(self.ui.rackScrollBar.setRange)

  221.         sb.valueChanged.connect(self.ui.rackScrollBar.setValue)

  222.         self.ui.rackScrollBar.rangeChanged.connect(sb.setRange)

  223.         self.ui.rackScrollBar.valueChanged.connect(sb.setValue)

  224. 

  225.         self.ui.rack.currentRowChanged.connect(self.slot_currentRowChanged)

  226. 

  227.         self.ui.rack.setStyleSheet("""

  228.           QLabel#pad_left {

  229.             background-image: url(:/bitmaps/rack_padding_left.png);

  230.             background-repeat: repeat-y;

  231.           }

  232.           QLabel#pad_right {

  233.             background-image: url(:/bitmaps/rack_padding_right.png);

  234.             background-repeat: repeat-y;

  235.           }

  236.           CarlaRackList#CarlaRackList {

  237.             background-color: black;

  238.           }

  239.         """)

  240. 

  241.         # ----------------------------------------------------------------------------------------------------

  242.         # Set up GUI (patchbay)

  243. 

  244.         self.ui.peak_in.setColor(DigitalPeakMeter.BLUE)

  245.         self.ui.peak_in.setChannels(2)

  246.         self.ui.peak_in.setOrientation(DigitalPeakMeter.VERTICAL)

  247.         self.ui.peak_in.setFixedWidth(25)

  248. 

  249.         self.ui.peak_out.setColor(DigitalPeakMeter.GREEN)

  250.         self.ui.peak_out.setChannels(2)

  251.         self.ui.peak_out.setOrientation(DigitalPeakMeter.VERTICAL)

  252.         self.ui.peak_out.setFixedWidth(25)

  253. 

  254.         self.ui.scrollArea = PixmapKeyboardHArea(self.ui.patchbay)

  255.         self.ui.keyboard   = self.ui.scrollArea.keyboard

  256.         self.ui.patchbay.layout().addWidget(self.ui.scrollArea, 1, 0, 1, 0)

  257. 

  258.         self.ui.scrollArea.setEnabled(False)

  259. 

  260.         self.ui.miniCanvasPreview.setRealParent(self)

  261. 

  262.         # ----------------------------------------------------------------------------------------------------

  263.         # Set up GUI (special stuff for Mac OS)

  264. 

  265.         if MACOS and config_UseQt5:

  266.             self.ui.act_file_quit.setMenuRole(QAction.QuitRole)

  267.             self.ui.act_settings_configure.setMenuRole(QAction.PreferencesRole)

  268.             self.ui.act_help_about.setMenuRole(QAction.AboutRole)

  269.             self.ui.act_help_about_juce.setMenuRole(QAction.AboutRole)

  270.             self.ui.act_help_about_qt.setMenuRole(QAction.AboutQtRole)

  271.             self.ui.menu_Settings.setTitle("Panels")

  272.             #self.ui.menu_Help.hide()

  273. 

  274.         # ----------------------------------------------------------------------------------------------------

  275.         # Load Settings

  276. 

  277.         self.loadSettings(True)

  278. 

  279.         # ----------------------------------------------------------------------------------------------------

  280.         # Set-up Canvas

  281. 

  282.         self.scene = patchcanvas.PatchScene(self, self.ui.graphicsView)

  283.         self.ui.graphicsView.setScene(self.scene)

  284.         self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, bool(self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] == patchcanvas.ANTIALIASING_FULL))

  285. 

  286.         if self.fSavedSettings[CARLA_KEY_CANVAS_USE_OPENGL] and hasGL:

  287.             self.ui.glView = QGLWidget(self)

  288.             self.ui.graphicsView.setViewport(self.ui.glView)

  289.             self.ui.graphicsView.setRenderHint(QPainter.HighQualityAntialiasing, self.fSavedSettings[CARLA_KEY_CANVAS_HQ_ANTIALIASING])

  290. 

  291.         self.setupCanvas()

  292. 

  293.         QTimer.singleShot(100, self.slot_restoreScrollbarValues)

  294. 

  295.         # ----------------------------------------------------------------------------------------------------

  296.         # Connect actions to functions

  297. 

  298.         self.ui.act_file_new.triggered.connect(self.slot_fileNew)

  299.         self.ui.act_file_open.triggered.connect(self.slot_fileOpen)

  300.         self.ui.act_file_save.triggered.connect(self.slot_fileSave)

  301.         self.ui.act_file_save_as.triggered.connect(self.slot_fileSaveAs)

  302. 

  303.         self.ui.act_engine_start.triggered.connect(self.slot_engineStart)

  304.         self.ui.act_engine_stop.triggered.connect(self.slot_engineStop)

  305. 

  306.         self.ui.act_plugin_add.triggered.connect(self.slot_pluginAdd)

  307.         self.ui.act_plugin_add2.triggered.connect(self.slot_pluginAdd)

  308.         self.ui.act_plugin_remove_all.triggered.connect(self.slot_pluginRemoveAll)

  309. 

  310.         self.ui.act_plugins_enable.triggered.connect(self.slot_pluginsEnable)

  311.         self.ui.act_plugins_disable.triggered.connect(self.slot_pluginsDisable)

  312.         self.ui.act_plugins_volume100.triggered.connect(self.slot_pluginsVolume100)

  313.         self.ui.act_plugins_mute.triggered.connect(self.slot_pluginsMute)

  314.         self.ui.act_plugins_wet100.triggered.connect(self.slot_pluginsWet100)

  315.         self.ui.act_plugins_bypass.triggered.connect(self.slot_pluginsBypass)

  316.         self.ui.act_plugins_center.triggered.connect(self.slot_pluginsCenter)

  317.         self.ui.act_plugins_panic.triggered.connect(self.slot_pluginsDisable)

  318. 

  319.         self.ui.act_canvas_show_internal.triggered.connect(self.slot_canvasShowInternal)

  320.         self.ui.act_canvas_show_external.triggered.connect(self.slot_canvasShowExternal)

  321.         self.ui.act_canvas_arrange.setEnabled(False) # TODO, later

  322.         self.ui.act_canvas_arrange.triggered.connect(self.slot_canvasArrange)

  323.         self.ui.act_canvas_refresh.triggered.connect(self.slot_canvasRefresh)

  324.         self.ui.act_canvas_zoom_fit.triggered.connect(self.slot_canvasZoomFit)

  325.         self.ui.act_canvas_zoom_in.triggered.connect(self.slot_canvasZoomIn)

  326.         self.ui.act_canvas_zoom_out.triggered.connect(self.slot_canvasZoomOut)

  327.         self.ui.act_canvas_zoom_100.triggered.connect(self.slot_canvasZoomReset)

  328.         self.ui.act_canvas_print.triggered.connect(self.slot_canvasPrint)

  329.         self.ui.act_canvas_save_image.triggered.connect(self.slot_canvasSaveImage)

  330. 

  331.         self.ui.act_transport_play.triggered.connect(self.slot_transportPlayPause)

  332.         self.ui.act_transport_stop.triggered.connect(self.slot_transportStop)

  333.         self.ui.act_transport_backwards.triggered.connect(self.slot_transportBackwards)

  334.         self.ui.act_transport_forwards.triggered.connect(self.slot_transportForwards)

  335. 

  336.         self.ui.act_settings_show_meters.toggled.connect(self.slot_showCanvasMeters)

  337.         self.ui.act_settings_show_keyboard.toggled.connect(self.slot_showCanvasKeyboard)

  338.         #self.ui.act_settings_configure.triggered.connect(self.slot_configureCarla)

  339. 

  340.         self.ui.act_help_about.triggered.connect(self.slot_aboutCarla)

  341.         self.ui.act_help_about_juce.triggered.connect(self.slot_aboutJuce)

  342.         self.ui.act_help_about_qt.triggered.connect(self.slot_aboutQt)

  343. 

  344.         self.ui.cb_disk.currentIndexChanged.connect(self.slot_diskFolderChanged)

  345.         self.ui.b_disk_add.clicked.connect(self.slot_diskFolderAdd)

  346.         self.ui.b_disk_remove.clicked.connect(self.slot_diskFolderRemove)

  347.         self.ui.fileTreeView.doubleClicked.connect(self.slot_fileTreeDoubleClicked)

  348. 

  349.         self.ui.graphicsView.horizontalScrollBar().valueChanged.connect(self.slot_horizontalScrollBarChanged)

  350.         self.ui.graphicsView.verticalScrollBar().valueChanged.connect(self.slot_verticalScrollBarChanged)

  351. 

  352.         self.scene.scaleChanged.connect(self.slot_canvasScaleChanged)

  353.         self.scene.sceneGroupMoved.connect(self.slot_canvasItemMoved)

  354.         self.scene.pluginSelected.connect(self.slot_canvasPluginSelected)

  355. 

  356.         self.ui.miniCanvasPreview.miniCanvasMoved.connect(self.slot_miniCanvasMoved)

  357. 

  358.         self.SIGUSR1.connect(self.slot_handleSIGUSR1)

  359.         self.SIGTERM.connect(self.slot_handleSIGTERM)

  360. 

  361.         host.EngineStartedCallback.connect(self.slot_handleEngineStartedCallback)

  362.         host.EngineStoppedCallback.connect(self.slot_handleEngineStoppedCallback)

  363.         host.SampleRateChangedCallback.connect(self.slot_handleSampleRateChangedCallback)

  364. 

  365.         host.PluginAddedCallback.connect(self.slot_handlePluginAddedCallback)

  366.         host.PluginRemovedCallback.connect(self.slot_handlePluginRemovedCallback)

  367.         #host.ReloadAllCallback.connect(self.slot_handleReloadAllCallback)

  368. 

  369.         host.PatchbayClientAddedCallback.connect(self.slot_handlePatchbayClientAddedCallback)

  370.         host.PatchbayClientRemovedCallback.connect(self.slot_handlePatchbayClientRemovedCallback)

  371.         host.PatchbayClientRenamedCallback.connect(self.slot_handlePatchbayClientRenamedCallback)

  372.         host.PatchbayClientDataChangedCallback.connect(self.slot_handlePatchbayClientDataChangedCallback)

  373.         host.PatchbayPortAddedCallback.connect(self.slot_handlePatchbayPortAddedCallback)

  374.         host.PatchbayPortRemovedCallback.connect(self.slot_handlePatchbayPortRemovedCallback)

  375.         host.PatchbayPortRenamedCallback.connect(self.slot_handlePatchbayPortRenamedCallback)

  376.         host.PatchbayConnectionAddedCallback.connect(self.slot_handlePatchbayConnectionAddedCallback)

  377.         host.PatchbayConnectionRemovedCallback.connect(self.slot_handlePatchbayConnectionRemovedCallback)

  378. 

  379.         host.DebugCallback.connect(self.slot_handleDebugCallback)

  380.         host.InfoCallback.connect(self.slot_handleInfoCallback)

  381.         host.ErrorCallback.connect(self.slot_handleErrorCallback)

  382.         host.QuitCallback.connect(self.slot_handleQuitCallback)

  383. 

  384.         # ----------------------------------------------------------------------------------------------------

  385.         # Final setup

  386. 

  387.         self.setProperWindowTitle()

  388. 

  389.         # FIXME: Qt4 needs this so it properly creates & resizes the canvas

  390.         self.ui.tabWidget.setCurrentIndex(1)

  391.         self.ui.tabWidget.setCurrentIndex(0)

  392.         self.fixCanvasPreviewSize()

  393. 

  394.         QTimer.singleShot(0, self.slot_engineStart)

  395. 

  396.     # --------------------------------------------------------------------------------------------------------

  397. 

  398.     def setProperWindowTitle(self):

  399.         title = self.fClientName

  400. 

  401.         if self.fProjectFilename:

  402.             title += " - %s" % os.path.basename(self.fProjectFilename)

  403.         if self.fSessionManagerName:

  404.             title += " (%s)" % self.fSessionManagerName

  405. 

  406.         self.setWindowTitle(title)

  407. 

  408.     def setupCanvas(self):

  409.         pOptions = patchcanvas.options_t()

  410.         pOptions.theme_name       = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  411.         pOptions.auto_hide_groups = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  412.         pOptions.use_bezier_lines = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  413.         pOptions.antialiasing     = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  414.         pOptions.eyecandy         = self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]

  415. 

  416.         pFeatures = patchcanvas.features_t()

  417.         pFeatures.group_info   = False

  418.         pFeatures.group_rename = False

  419.         pFeatures.port_info    = False

  420.         pFeatures.port_rename  = False

  421.         pFeatures.handle_group_pos = True

  422. 

  423.         patchcanvas.setOptions(pOptions)

  424.         patchcanvas.setFeatures(pFeatures)

  425.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  426. 

  427.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  428. 

  429.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  430.             self.fCanvasWidth  = int(tryCanvasSize[0])

  431.             self.fCanvasHeight = int(tryCanvasSize[1])

  432.         else:

  433.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  434.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  435. 

  436.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  437.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  438.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  439. 

  440.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  441.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  442. 

  443.     def updateCanvasInitialPos(self):

  444.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  445.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  446.         patchcanvas.setInitialPos(x, y)

  447. 

  448.     # -----------------------------------------------------------------

  449. 

  450.     @pyqtSlot(bool)

  451.     def slot_showCanvasMeters(self, yesNo):

  452.         self.ui.peak_in.setVisible(yesNo)

  453.         self.ui.peak_out.setVisible(yesNo)

  454. 

  455.     @pyqtSlot(bool)

  456.     def slot_showCanvasKeyboard(self, yesNo):

  457.         self.ui.scrollArea.setVisible(yesNo)

  458. 

  459.     @pyqtSlot()

  460.     def slot_restoreScrollbarValues(self):

  461.         settings = QSettings()

  462.         self.ui.graphicsView.horizontalScrollBar().setValue(settings.value("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().maximum()/2, type=int))

  463.         self.ui.graphicsView.verticalScrollBar().setValue(settings.value("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().maximum()/2, type=int))

  464. 

  465.     @pyqtSlot()

  466.     def slot_miniCanvasCheckAll(self):

  467.         self.slot_miniCanvasCheckSize()

  468.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  469.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  470. 

  471.     @pyqtSlot()

  472.     def slot_miniCanvasCheckSize(self):

  473.         self.ui.miniCanvasPreview.setViewSize(float(self.width()) / self.fCanvasWidth, float(self.height()) / self.fCanvasHeight)

  474. 

  475.     @pyqtSlot(int)

  476.     def slot_horizontalScrollBarChanged(self, value):

  477.         if self.fMovingViaMiniCanvas: return

  478. 

  479.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  480.         if maximum == 0:

  481.             xp = 0

  482.         else:

  483.             xp = float(value) / maximum

  484.         self.ui.miniCanvasPreview.setViewPosX(xp)

  485.         self.updateCanvasInitialPos()

  486. 

  487.     @pyqtSlot(int)

  488.     def slot_verticalScrollBarChanged(self, value):

  489.         if self.fMovingViaMiniCanvas: return

  490. 

  491.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  492.         if maximum == 0:

  493.             yp = 0

  494.         else:

  495.             yp = float(value) / maximum

  496.         self.ui.miniCanvasPreview.setViewPosY(yp)

  497.         self.updateCanvasInitialPos()

  498. 

  499.     @pyqtSlot(float)

  500.     def slot_canvasScaleChanged(self, scale):

  501.         self.ui.miniCanvasPreview.setViewScale(scale)

  502. 

  503.     @pyqtSlot(int, int, QPointF)

  504.     def slot_canvasItemMoved(self, group_id, split_mode, pos):

  505.         self.ui.miniCanvasPreview.update()

  506. 

  507.     @pyqtSlot(list)

  508.     def slot_canvasPluginSelected(self, pluginList):

  509.         self.ui.keyboard.allNotesOff(False)

  510.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  511.         self.fSelectedPlugins = pluginList

  512. 

  513.     @pyqtSlot(float, float)

  514.     def slot_miniCanvasMoved(self, xp, yp):

  515.         self.fMovingViaMiniCanvas = True

  516.         self.ui.graphicsView.horizontalScrollBar().setValue(xp * self.ui.graphicsView.horizontalScrollBar().maximum())

  517.         self.ui.graphicsView.verticalScrollBar().setValue(yp * self.ui.graphicsView.verticalScrollBar().maximum())

  518.         self.fMovingViaMiniCanvas = False

  519.         self.updateCanvasInitialPos()

  520. 

  521.     # --------------------------------------------------------------------------------------------------------

  522.     # Called by containers

  523. 

  524.     def isProjectLoading(self):

  525.         return self.fIsProjectLoading

  526. 

  527.     def getSavedSettings(self):

  528.         return self.fSavedSettings

  529. 

  530.     def setLoadRDFsNeeded(self):

  531.         self.fLadspaRdfNeedsUpdate = True

  532. 

  533.     # --------------------------------------------------------------------------------------------------------

  534.     # Called by the signal handler

  535. 

  536.     @pyqtSlot()

  537.     def slot_handleSIGUSR1(self):

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

  539.         self.slot_fileSave()

  540. 

  541.     @pyqtSlot()

  542.     def slot_handleSIGTERM(self):

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

  544.         self.close()

  545. 

  546.     # --------------------------------------------------------------------------------------------------------

  547.     # Internal stuff (files)

  548. 

  549.     def loadProjectNow(self):

  550.         if not self.fProjectFilename:

  551.             return qCritical("ERROR: loading project without filename set")

  552. 

  553.         #self.fContainer.projectLoadingStarted()

  554.         self.fIsProjectLoading = True

  555. 

  556.         self.host.load_project(self.fProjectFilename)

  557. 

  558.         self.fIsProjectLoading = False

  559.         #self.fContainer.projectLoadingFinished()

  560. 

  561.     def loadProjectLater(self, filename):

  562.         self.fProjectFilename = QFileInfo(filename).absoluteFilePath()

  563.         self.setProperWindowTitle()

  564.         QTimer.singleShot(0, self.slot_loadProjectNow)

  565. 

  566.     def saveProjectNow(self):

  567.         if not self.fProjectFilename:

  568.             return qCritical("ERROR: saving project without filename set")

  569. 

  570.         self.host.save_project(self.fProjectFilename)

  571. 

  572.     def projectLoadingStarted(self):

  573.         self.ui.rack.setEnabled(False)

  574.         self.ui.graphicsView.setEnabled(False)

  575. 

  576.     def projectLoadingFinished(self):

  577.         self.ui.rack.setEnabled(True)

  578.         self.ui.graphicsView.setEnabled(True)

  579.         QTimer.singleShot(1000, self.slot_canvasRefresh)

  580. 

  581.     # --------------------------------------------------------------------------------------------------------

  582. 

  583.     @pyqtSlot()

  584.     def slot_fileNew(self):

  585.         #self.fContainer.removeAllPlugins()

  586.         self.fProjectFilename = ""

  587.         self.setProperWindowTitle()

  588. 

  589.     @pyqtSlot()

  590.     def slot_fileOpen(self):

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

  592.         filename   = QFileDialog.getOpenFileName(self, self.tr("Open Carla Project File"), self.fSavedSettings[CARLA_KEY_MAIN_PROJECT_FOLDER], filter=fileFilter)

  593. 

  594.         if config_UseQt5:

  595.             filename = filename[0]

  596.         if not filename:

  597.             return

  598. 

  599.         newFile = True

  600. 

  601.         if self.host.get_current_plugin_count() > 0:

  602.             ask = QMessageBox.question(self, self.tr("Question"), self.tr("There are some plugins loaded, do you want to remove them now?"),

  603.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  604.             newFile = (ask == QMessageBox.Yes)

  605. 

  606.         if newFile:

  607.             #self.fContainer.removeAllPlugins()

  608.             self.fProjectFilename = filename

  609.             self.setProperWindowTitle()

  610.             self.loadProjectNow()

  611.         else:

  612.             filenameOld = self.fProjectFilename

  613.             self.fProjectFilename = filename

  614.             self.loadProjectNow()

  615.             self.fProjectFilename = filenameOld

  616. 

  617.     @pyqtSlot()

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

  619.         if self.fProjectFilename and not saveAs:

  620.             return self.saveProjectNow()

  621. 

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

  623.         filename   = QFileDialog.getSaveFileName(self, self.tr("Save Carla Project File"), self.fSavedSettings[CARLA_KEY_MAIN_PROJECT_FOLDER], filter=fileFilter)

  624. 

  625.         if config_UseQt5:

  626.             filename = filename[0]

  627.         if not filename:

  628.             return

  629. 

  630.         if not filename.lower().endswith(".carxp"):

  631.             filename += ".carxp"

  632. 

  633.         if self.fProjectFilename != filename:

  634.             self.fProjectFilename = filename

  635.             self.setProperWindowTitle()

  636. 

  637.         self.saveProjectNow()

  638. 

  639.     @pyqtSlot()

  640.     def slot_fileSaveAs(self):

  641.         self.slot_fileSave(True)

  642. 

  643.     @pyqtSlot()

  644.     def slot_loadProjectNow(self):

  645.         self.loadProjectNow()

  646. 

  647.     # --------------------------------------------------------------------------------------------------------

  648.     # Internal stuff (engine)

  649. 

  650.     def setEngineSettings(self):

  651.         settings = QSettings("falkTX", "Carla2")

  652. 

  653.         # ----------------------------------------------------------------------------------------------------

  654.         # main settings

  655. 

  656.         setHostSettings(self.host)

  657. 

  658.         # ----------------------------------------------------------------------------------------------------

  659.         # plugin paths

  660. 

  661.         LADSPA_PATH = toList(settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH))

  662.         DSSI_PATH   = toList(settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH))

  663.         LV2_PATH    = toList(settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH))

  664.         VST_PATH    = toList(settings.value(CARLA_KEY_PATHS_VST,    CARLA_DEFAULT_VST_PATH))

  665.         VST3_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST3,   CARLA_DEFAULT_VST3_PATH))

  666.         AU_PATH     = toList(settings.value(CARLA_KEY_PATHS_AU,     CARLA_DEFAULT_AU_PATH))

  667.         GIG_PATH    = toList(settings.value(CARLA_KEY_PATHS_GIG,    CARLA_DEFAULT_GIG_PATH))

  668.         SF2_PATH    = toList(settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH))

  669.         SFZ_PATH    = toList(settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH))

  670. 

  671.         self.host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  672.         self.host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  673.         self.host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  674.         self.host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST,    splitter.join(VST_PATH))

  675.         self.host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST3,   splitter.join(VST3_PATH))

  676.         self.host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_AU,     splitter.join(AU_PATH))

  677.         self.host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_GIG,    splitter.join(GIG_PATH))

  678.         self.host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  679.         self.host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  680. 

  681.         # ----------------------------------------------------------------------------------------------------

  682.         # don't continue if plugin

  683. 

  684.         if self.host.isPlugin:

  685.             return "Plugin"

  686. 

  687.         # ----------------------------------------------------------------------------------------------------

  688.         # driver and device settings

  689. 

  690.         # driver name

  691.         try:

  692.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, type=str)

  693.         except:

  694.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  695. 

  696.         # driver options

  697.         try:

  698.             audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", type=str)

  699.         except:

  700.             audioDevice = ""

  701. 

  702.         try:

  703.             audioNumPeriods = settings.value("%s%s/NumPeriods" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_NUM_PERIODS, type=int)

  704.         except:

  705.             audioNumPeriods = CARLA_DEFAULT_AUDIO_NUM_PERIODS

  706. 

  707.         try:

  708.             audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, type=int)

  709.         except:

  710.             audioBufferSize = CARLA_DEFAULT_AUDIO_BUFFER_SIZE

  711. 

  712.         try:

  713.             audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, type=int)

  714.         except:

  715.             audioSampleRate = CARLA_DEFAULT_AUDIO_SAMPLE_RATE

  716. 

  717.         self.host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE,      0,               audioDevice)

  718.         self.host.set_engine_option(ENGINE_OPTION_AUDIO_NUM_PERIODS, audioNumPeriods, "")

  719.         self.host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  720.         self.host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  721. 

  722.         # ----------------------------------------------------------------------------------------------------

  723.         # fix things if needed

  724. 

  725.         if audioDriver != "JACK" and self.host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  726.             self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, "")

  727. 

  728.         # ----------------------------------------------------------------------------------------------------

  729.         # return selected driver name

  730. 

  731.         return audioDriver

  732. 

  733.     # --------------------------------------------------------------------------------------------------------

  734. 

  735.     @pyqtSlot()

  736.     def slot_engineStart(self):

  737.         audioDriver = self.setEngineSettings()

  738. 

  739.         if not self.host.engine_init(audioDriver, self.fClientName):

  740.             if self.fFirstEngineInit:

  741.                 self.fFirstEngineInit = False

  742.                 return

  743. 

  744.             audioError = self.host.get_last_error()

  745. 

  746.             if audioError:

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

  748.             else:

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

  750.             return

  751. 

  752.         self.fFirstEngineInit = False

  753. 

  754.     @pyqtSlot()

  755.     def slot_engineStop(self):

  756.         if self.host.get_current_plugin_count() > 0:

  757.             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"

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

  759.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  760.             if ask != QMessageBox.Yes:

  761.                 return

  762. 

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

  764.             #self.fContainer.removeAllPlugins()

  765. 

  766.         if self.host.is_engine_running() and not self.host.engine_close():

  767.             print(self.host.get_last_error())

  768. 

  769.     # --------------------------------------------------------------------------------------------------------

  770. 

  771.     @pyqtSlot(str)

  772.     def slot_handleEngineStartedCallback(self, processMode, transportMode, driverName):

  773.         self.fSampleRate = self.host.get_sample_rate()

  774. 

  775.         self.ui.menu_PluginMacros.setEnabled(True)

  776.         self.ui.menu_Canvas.setEnabled(True)

  777. 

  778.         if not self.host.isPlugin:

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

  780.             self.ui.act_engine_stop.setEnabled(True)

  781. 

  782.             if not self.fSessionManagerName:

  783.                 self.ui.act_file_open.setEnabled(True)

  784.                 self.ui.act_file_save.setEnabled(True)

  785.                 self.ui.act_file_save_as.setEnabled(True)

  786. 

  787.             self.setTransportMenuEnabled(True)

  788. 

  789.         self.fLastTransportFrame = 0

  790.         self.fLastTransportState = False

  791.         self.refreshTransport(True)

  792.         self.startTimers()

  793. 

  794.     @pyqtSlot()

  795.     def slot_handleEngineStoppedCallback(self):

  796.         patchcanvas.clear()

  797.         self.killTimers()

  798. 

  799.         # just in case

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

  801.         #self.fContainer.removeAllPlugins()

  802. 

  803.         self.ui.menu_PluginMacros.setEnabled(False)

  804.         self.ui.menu_Canvas.setEnabled(False)

  805. 

  806.         if not self.host.isPlugin:

  807.             self.ui.act_engine_start.setEnabled(True)

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

  809. 

  810.             if not self.fSessionManagerName:

  811.                 self.ui.act_file_open.setEnabled(False)

  812.                 self.ui.act_file_save.setEnabled(False)

  813.                 self.ui.act_file_save_as.setEnabled(False)

  814. 

  815.             self.setTransportMenuEnabled(False)

  816. 

  817.         self.fSampleRate = 0.0

  818.         self.fTransportText = ""

  819. 

  820.     @pyqtSlot(float)

  821.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  822.         self.fSampleRate = newSampleRate

  823.         self.refreshTransport(True)

  824. 

  825.     # --------------------------------------------------------------------------------------------------------

  826.     # Internal stuff (plugins)

  827. 

  828.     def removeAllPlugins(self):

  829.         patchcanvas.handleAllPluginsRemoved()

  830. 

  831.         while self.ui.rack.takeItem(0):

  832.             pass

  833. 

  834.         #self.clearSideStuff()

  835. 

  836.         for pitem in self.fPluginList:

  837.             if pitem is None:

  838.                 break

  839. 

  840.             pitem.closeEditDialog()

  841.             del pitem

  842. 

  843.         self.fPluginCount = 0

  844.         self.fPluginList  = []

  845. 

  846.     @pyqtSlot()

  847.     def slot_pluginAdd(self, pluginToReplace = -1):

  848.         dialog = PluginDatabaseW(self, self.host)

  849. 

  850.         if not dialog.exec_():

  851.             return

  852. 

  853.         if not self.host.is_engine_running():

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

  855.             return

  856. 

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

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

  859.         filename = dialog.fRetPlugin['filename']

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

  861.         uniqueId = dialog.fRetPlugin['uniqueId']

  862.         extraPtr = self.getExtraPtr(dialog.fRetPlugin)

  863. 

  864.         if pluginToReplace >= 0:

  865.             if not self.host.replace_plugin(pluginToReplace):

  866.                 CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to replace plugin"), self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  867.                 return

  868. 

  869.         ok = self.host.add_plugin(btype, ptype, filename, None, label, uniqueId, extraPtr)

  870. 

  871.         if pluginToReplace >= 0:

  872.             self.host.replace_plugin(self.host.get_max_plugin_number())

  873. 

  874.         if not ok:

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

  876. 

  877.     @pyqtSlot()

  878.     def slot_pluginRemoveAll(self):

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

  880. 

  881.         count = self.host.get_current_plugin_count()

  882. 

  883.         if count == 0:

  884.             return

  885. 

  886.         #self.fContainer.projectLoadingStarted()

  887. 

  888.         app = QApplication.instance()

  889.         for i in range(count):

  890.             app.processEvents()

  891.             self.host.remove_plugin(count-i-1)

  892. 

  893.         #self.fContainer.projectLoadingFinished()

  894. 

  895.         #self.fContainer.removeAllPlugins()

  896.         #self.host.remove_all_plugins()

  897. 

  898.     # --------------------------------------------------------------------------------------------------------

  899. 

  900.     @pyqtSlot(int, str)

  901.     def slot_handlePluginAddedCallback(self, pluginId, pluginName):

  902.         self.ui.act_plugin_remove_all.setEnabled(self.host.get_current_plugin_count() > 0)

  903. 

  904.         #pitem = CarlaRackItem(self.fRack, pluginId, self.fParent.getSavedSettings()[CARLA_KEY_MAIN_USE_CUSTOM_SKINS])

  905. 

  906.         #self.fPluginList.append(pitem)

  907.         #self.fPluginCount += 1

  908. 

  909.         #if not self.fParent.isProjectLoading():

  910.             #pitem.getWidget().setActive(True, True, True)

  911. 

  912.     @pyqtSlot(int)

  913.     def slot_handlePluginRemovedCallback(self, pluginId):

  914.         self.ui.act_plugin_remove_all.setEnabled(self.host.get_current_plugin_count() > 0)

  915.         patchcanvas.handlePluginRemoved(pluginId)

  916. 

  917.         #if pluginId in self.fSelectedPlugins:

  918.             #self.clearSideStuff()

  919. 

  920.         #pitem = self.getPluginItem(pluginId)

  921. 

  922.         #self.fPluginCount -= 1

  923.         #self.fPluginList.pop(pluginId)

  924.         #self.fRack.takeItem(pluginId)

  925. 

  926.         #if pitem is not None:

  927.             #pitem.closeEditDialog()

  928.             #del pitem

  929. 

  930.         ## push all plugins 1 slot back

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

  932.             #pitem = self.fPluginList[i]

  933.             #pitem.setPluginId(i)

  934. 

  935.     # -----------------------------------------------------------------

  936. 

  937.     @pyqtSlot(int, int, int, str)

  938.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  939.         pcSplit = patchcanvas.SPLIT_UNDEF

  940.         pcIcon  = patchcanvas.ICON_APPLICATION

  941. 

  942.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  943.             pcIcon = patchcanvas.ICON_PLUGIN

  944.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  945.             pcIcon = patchcanvas.ICON_HARDWARE

  946.         elif clientIcon == PATCHBAY_ICON_CARLA:

  947.             pass

  948.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  949.             pcIcon = patchcanvas.ICON_DISTRHO

  950.         elif clientIcon == PATCHBAY_ICON_FILE:

  951.             pcIcon = patchcanvas.ICON_FILE

  952. 

  953.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  954. 

  955.         QTimer.singleShot(0, self.ui.miniCanvasPreview.update)

  956. 

  957.         if pluginId < 0:

  958.             return

  959.         if pluginId >= self.fPluginCount:

  960.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  961.             return

  962. 

  963.         patchcanvas.setGroupAsPlugin(clientId, pluginId, bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI))

  964. 

  965.     @pyqtSlot(int)

  966.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  967.         #if not self.fEngineStarted: return

  968.         patchcanvas.removeGroup(clientId)

  969.         QTimer.singleShot(0, self.ui.miniCanvasPreview.update)

  970. 

  971.     @pyqtSlot(int, str)

  972.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  973.         patchcanvas.renameGroup(clientId, newClientName)

  974.         QTimer.singleShot(0, self.ui.miniCanvasPreview.update)

  975. 

  976.     @pyqtSlot(int, int, int)

  977.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  978.         pcIcon = patchcanvas.ICON_APPLICATION

  979. 

  980.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  981.             pcIcon = patchcanvas.ICON_PLUGIN

  982.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  983.             pcIcon = patchcanvas.ICON_HARDWARE

  984.         elif clientIcon == PATCHBAY_ICON_CARLA:

  985.             pass

  986.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  987.             pcIcon = patchcanvas.ICON_DISTRHO

  988.         elif clientIcon == PATCHBAY_ICON_FILE:

  989.             pcIcon = patchcanvas.ICON_FILE

  990. 

  991.         patchcanvas.setGroupIcon(clientId, pcIcon)

  992.         QTimer.singleShot(0, self.ui.miniCanvasPreview.update)

  993. 

  994.         if pluginId < 0:

  995.             return

  996.         if pluginId >= self.fPluginCount:

  997.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  998.             return

  999. 

  1000.         patchcanvas.setGroupAsPlugin(clientId, pluginId, bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI))

  1001. 

  1002.     @pyqtSlot(int, int, int, str)

  1003.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portName):

  1004.         isAlternate = False

  1005. 

  1006.         if (portFlags & PATCHBAY_PORT_IS_INPUT):

  1007.             portMode = patchcanvas.PORT_MODE_INPUT

  1008.         else:

  1009.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1010. 

  1011.         if (portFlags & PATCHBAY_PORT_TYPE_AUDIO):

  1012.             portType = patchcanvas.PORT_TYPE_AUDIO_JACK

  1013.         elif (portFlags & PATCHBAY_PORT_TYPE_CV):

  1014.             isAlternate = True

  1015.             portType = patchcanvas.PORT_TYPE_AUDIO_JACK

  1016.         elif (portFlags & PATCHBAY_PORT_TYPE_MIDI):

  1017.             portType = patchcanvas.PORT_TYPE_MIDI_JACK

  1018.         else:

  1019.             portType = patchcanvas.PORT_TYPE_NULL

  1020. 

  1021.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1022.         QTimer.singleShot(0, self.ui.miniCanvasPreview.update)

  1023. 

  1024.     @pyqtSlot(int, int)

  1025.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  1026.         #if not self.fEngineStarted: return

  1027.         patchcanvas.removePort(groupId, portId)

  1028.         QTimer.singleShot(0, self.ui.miniCanvasPreview.update)

  1029. 

  1030.     @pyqtSlot(int, int, str)

  1031.     def slot_handlePatchbayPortRenamedCallback(self, groupId, portId, newPortName):

  1032.         patchcanvas.renamePort(groupId, portId, newPortName)

  1033.         QTimer.singleShot(0, self.ui.miniCanvasPreview.update)

  1034. 

  1035.     @pyqtSlot(int, int, int, int, int)

  1036.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1037.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1038.         QTimer.singleShot(0, self.ui.miniCanvasPreview.update)

  1039. 

  1040.     @pyqtSlot(int, int, int)

  1041.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1042.         #if not self.fEngineStarted: return

  1043.         patchcanvas.disconnectPorts(connectionId)

  1044.         QTimer.singleShot(0, self.ui.miniCanvasPreview.update)

  1045. 

  1046.     # -----------------------------------------------------------------

  1047. 

  1048.     @pyqtSlot()

  1049.     def slot_canvasArrange(self):

  1050.         patchcanvas.arrange()

  1051. 

  1052.     @pyqtSlot()

  1053.     def slot_canvasShowInternal(self):

  1054.         self.fExternalPatchbay = False

  1055.         self.fParent.ui.act_canvas_show_internal.blockSignals(True)

  1056.         self.fParent.ui.act_canvas_show_external.blockSignals(True)

  1057.         self.fParent.ui.act_canvas_show_internal.setChecked(True)

  1058.         self.fParent.ui.act_canvas_show_external.setChecked(False)

  1059.         self.fParent.ui.act_canvas_show_internal.blockSignals(False)

  1060.         self.fParent.ui.act_canvas_show_external.blockSignals(False)

  1061.         self.slot_canvasRefresh()

  1062. 

  1063.     @pyqtSlot()

  1064.     def slot_canvasShowExternal(self):

  1065.         self.fExternalPatchbay = True

  1066.         self.fParent.ui.act_canvas_show_internal.blockSignals(True)

  1067.         self.fParent.ui.act_canvas_show_external.blockSignals(True)

  1068.         self.fParent.ui.act_canvas_show_internal.setChecked(False)

  1069.         self.fParent.ui.act_canvas_show_external.setChecked(True)

  1070.         self.fParent.ui.act_canvas_show_internal.blockSignals(False)

  1071.         self.fParent.ui.act_canvas_show_external.blockSignals(False)

  1072.         self.slot_canvasRefresh()

  1073. 

  1074.     @pyqtSlot()

  1075.     def slot_canvasRefresh(self):

  1076.         #patchcanvas.clear()

  1077. 

  1078.         if self.host.is_engine_running():

  1079.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1080. 

  1081.             for pedit in self.fPluginList:

  1082.                 if pedit is None:

  1083.                     break

  1084.                 pedit.reloadAll()

  1085. 

  1086.         QTimer.singleShot(1000 if self.fParent.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY] else 0, self.fMiniCanvasPreview.update)

  1087. 

  1088.     @pyqtSlot()

  1089.     def slot_canvasZoomFit(self):

  1090.         self.scene.zoom_fit()

  1091. 

  1092.     @pyqtSlot()

  1093.     def slot_canvasZoomIn(self):

  1094.         self.scene.zoom_in()

  1095. 

  1096.     @pyqtSlot()

  1097.     def slot_canvasZoomOut(self):

  1098.         self.scene.zoom_out()

  1099. 

  1100.     @pyqtSlot()

  1101.     def slot_canvasZoomReset(self):

  1102.         self.scene.zoom_reset()

  1103. 

  1104.     @pyqtSlot()

  1105.     def slot_canvasPrint(self):

  1106.         self.scene.clearSelection()

  1107.         self.fExportPrinter = QPrinter()

  1108.         dialog = QPrintDialog(self.fExportPrinter, self)

  1109. 

  1110.         if dialog.exec_():

  1111.             painter = QPainter(self.fExportPrinter)

  1112.             painter.save()

  1113.             painter.setRenderHint(QPainter.Antialiasing)

  1114.             painter.setRenderHint(QPainter.TextAntialiasing)

  1115.             self.scene.render(painter)

  1116.             painter.restore()

  1117. 

  1118.     @pyqtSlot()

  1119.     def slot_canvasSaveImage(self):

  1120.         newPath = QFileDialog.getSaveFileName(self, self.tr("Save Image"), filter=self.tr("PNG Image (*.png);;JPEG Image (*.jpg)"))

  1121. 

  1122.         if config_UseQt5:

  1123.             newPath = newPath[0]

  1124.         if not newPath:

  1125.             return

  1126. 

  1127.         self.scene.clearSelection()

  1128. 

  1129.         if newPath.lower().endswith((".jpg",)):

  1130.             imgFormat = "JPG"

  1131.         elif newPath.lower().endswith((".png",)):

  1132.             imgFormat = "PNG"

  1133.         else:

  1134.             # File-dialog may not auto-add the extension

  1135.             imgFormat = "PNG"

  1136.             newPath  += ".png"

  1137. 

  1138.         self.fExportImage = QImage(self.scene.sceneRect().width(), self.scene.sceneRect().height(), QImage.Format_RGB32)

  1139.         painter = QPainter(self.fExportImage)

  1140.         painter.save()

  1141.         painter.setRenderHint(QPainter.Antialiasing) # TODO - set true, cleanup this

  1142.         painter.setRenderHint(QPainter.TextAntialiasing)

  1143.         self.scene.render(painter)

  1144.         self.fExportImage.save(newPath, imgFormat, 100)

  1145.         painter.restore()

  1146. 

  1147.     # -----------------------------------------------------------------

  1148. 

  1149.     @pyqtSlot(int)

  1150.     def slot_handleReloadAllCallback(self, pluginId):

  1151.         if pluginId >= self.fPluginCount:

  1152.             return

  1153. 

  1154.         pitem = self.fPluginList[pluginId]

  1155.         if pitem is None:

  1156.             return

  1157. 

  1158.         self.fRack.setCurrentRow(-1)

  1159.         self.fCurrentRow = -1

  1160.         self.fLastSelectedItem = None

  1161. 

  1162.         pitem.recreateWidget()

  1163. 

  1164.     # -----------------------------------------------------------------

  1165. 

  1166.     @pyqtSlot(int)

  1167.     def slot_currentRowChanged(self, row):

  1168.         self.fCurrentRow = row

  1169. 

  1170.         if self.fLastSelectedItem is not None:

  1171.             self.fLastSelectedItem.setSelected(False)

  1172. 

  1173.         if row < 0 or row >= self.fPluginCount or self.fPluginList[row] is None:

  1174.             self.fLastSelectedItem = None

  1175.             return

  1176. 

  1177.         pitem = self.fPluginList[row]

  1178.         pitem.getWidget().setSelected(True)

  1179.         self.fLastSelectedItem = pitem.getWidget()

  1180. 

  1181.     # -----------------------------------------------------------------

  1182. 

  1183.     @pyqtSlot()

  1184.     def slot_pluginsEnable(self):

  1185.         if not self.host.is_engine_running():

  1186.             return

  1187. 

  1188.         for pitem in self.fPluginList:

  1189.             if pitem is None:

  1190.                 break

  1191. 

  1192.             pitem.getWidget().setActive(True, True, True)

  1193. 

  1194.     @pyqtSlot()

  1195.     def slot_pluginsDisable(self):

  1196.         if not self.host.is_engine_running():

  1197.             return

  1198. 

  1199.         for pitem in self.fPluginList:

  1200.             if pitem is None:

  1201.                 break

  1202. 

  1203.             pitem.getWidget().setActive(False, True, True)

  1204. 

  1205.     @pyqtSlot()

  1206.     def slot_pluginsVolume100(self):

  1207.         if not self.host.is_engine_running():

  1208.             return

  1209. 

  1210.         for pitem in self.fPluginList:

  1211.             if pitem is None:

  1212.                 break

  1213. 

  1214.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 1.0)

  1215. 

  1216.     @pyqtSlot()

  1217.     def slot_pluginsMute(self):

  1218.         if not self.host.is_engine_running():

  1219.             return

  1220. 

  1221.         for pitem in self.fPluginList:

  1222.             if pitem is None:

  1223.                 break

  1224. 

  1225.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 0.0)

  1226. 

  1227.     @pyqtSlot()

  1228.     def slot_pluginsWet100(self):

  1229.         if not self.host.is_engine_running():

  1230.             return

  1231. 

  1232.         for pitem in self.fPluginList:

  1233.             if pitem is None:

  1234.                 break

  1235. 

  1236.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 1.0)

  1237. 

  1238.     @pyqtSlot()

  1239.     def slot_pluginsBypass(self):

  1240.         if not self.host.is_engine_running():

  1241.             return

  1242. 

  1243.         for pitem in self.fPluginList:

  1244.             if pitem is None:

  1245.                 break

  1246. 

  1247.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 0.0)

  1248. 

  1249.     @pyqtSlot()

  1250.     def slot_pluginsCenter(self):

  1251.         if not self.host.is_engine_running():

  1252.             return

  1253. 

  1254.         for pitem in self.fPluginList:

  1255.             if pitem is None:

  1256.                 break

  1257. 

  1258.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1259.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1260.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1261. 

  1262.     # -----------------------------------------------------------------

  1263. 

  1264.     @pyqtSlot()

  1265.     def slot_configureCarla(self):

  1266.         dialog = CarlaSettingsW(self, self.host, True, hasGL)

  1267.         if not dialog.exec_():

  1268.             return

  1269. 

  1270.         self.loadSettings(False)

  1271. 

  1272.         patchcanvas.clear()

  1273. 

  1274.         self.setupCanvas()

  1275.         self.slot_miniCanvasCheckAll()

  1276. 

  1277.         if self.host.is_engine_running():

  1278.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1279. 

  1280.     # --------------------------------------------------------------------------------------------------------

  1281.     # Internal stuff (plugin data)

  1282. 

  1283.     def getExtraPtr(self, plugin):

  1284.         ptype = plugin['type']

  1285. 

  1286.         if ptype == PLUGIN_LADSPA:

  1287.             uniqueId = plugin['uniqueId']

  1288. 

  1289.             self.maybeLoadRDFs()

  1290. 

  1291.             for rdfItem in self.fLadspaRdfList:

  1292.                 if rdfItem.UniqueID == uniqueId:

  1293.                     return pointer(rdfItem)

  1294. 

  1295.         elif ptype in (PLUGIN_GIG, PLUGIN_SF2):

  1296.             if plugin['name'].lower().endswith(" (16 outputs)"):

  1297.                 global _true

  1298.                 _true = c_char_p("true".encode("utf-8"))

  1299.                 return _true

  1300. 

  1301.         return None

  1302. 

  1303.     def maybeLoadRDFs(self):

  1304.         if not self.fLadspaRdfNeedsUpdate:

  1305.             return

  1306. 

  1307.         self.fLadspaRdfNeedsUpdate = False

  1308.         self.fLadspaRdfList = []

  1309. 

  1310.         if not haveLRDF:

  1311.             return

  1312. 

  1313.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  1314.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  1315. 

  1316.         if os.path.exists(frLadspaFile):

  1317.             frLadspa = open(frLadspaFile, 'r')

  1318. 

  1319.             try:

  1320.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  1321.             except:

  1322.                 pass

  1323. 

  1324.             frLadspa.close()

  1325. 

  1326.     # -----------------------------------------------------------------

  1327. 

  1328.     def clearSideStuff(self):

  1329.         self.scene.clearSelection()

  1330. 

  1331.         self.fSelectedPlugins = []

  1332. 

  1333.         self.ui.keyboard.allNotesOff(False)

  1334.         self.ui.scrollArea.setEnabled(False)

  1335. 

  1336.         self.fPeaksCleared = True

  1337.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1338.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1339.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1340.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1341. 

  1342.     def getPluginItem(self, pluginId):

  1343.         if pluginId >= self.fPluginCount:

  1344.             return None

  1345. 

  1346.         pitem = self.fPluginList[pluginId]

  1347.         if pitem is None:

  1348.             return None

  1349.         #if False:

  1350.             #pitem = CarlaRackItem(self, 0, False)

  1351. 

  1352.         return pitem

  1353. 

  1354.     def getPluginEditDialog(self, pluginId):

  1355.         if pluginId >= self.fPluginCount:

  1356.             return None

  1357. 

  1358.         pitem = self.fPluginList[pluginId]

  1359.         if pitem is None:

  1360.             return None

  1361.         #if False:

  1362.             #pitem = CarlaRackItem(self, 0, False)

  1363. 

  1364.         return pitem.getEditDialog()

  1365. 

  1366.     def getPluginSlotWidget(self, pluginId):

  1367.         if pluginId >= self.fPluginCount:

  1368.             return None

  1369. 

  1370.         pitem = self.fPluginList[pluginId]

  1371.         if pitem is None:

  1372.             return None

  1373.         #if False:

  1374.             #pitem = CarlaRackItem(self, 0, False)

  1375. 

  1376.         return pitem.getWidget()

  1377. 

  1378.     # --------------------------------------------------------------------------------------------------------

  1379.     # Internal stuff (timers)

  1380. 

  1381.     def startTimers(self):

  1382.         if self.fIdleTimerFast == 0:

  1383.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  1384. 

  1385.         if self.fIdleTimerSlow == 0:

  1386.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  1387. 

  1388.     def restartTimersIfNeeded(self):

  1389.         if self.fIdleTimerFast != 0:

  1390.             self.killTimer(self.fIdleTimerFast)

  1391.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  1392. 

  1393.         if self.fIdleTimerSlow != 0:

  1394.             self.killTimer(self.fIdleTimerSlow)

  1395.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  1396. 

  1397.     def killTimers(self):

  1398.         if self.fIdleTimerFast != 0:

  1399.             self.killTimer(self.fIdleTimerFast)

  1400.             self.fIdleTimerFast = 0

  1401. 

  1402.         if self.fIdleTimerSlow != 0:

  1403.             self.killTimer(self.fIdleTimerSlow)

  1404.             self.fIdleTimerSlow = 0

  1405. 

  1406.     # --------------------------------------------------------------------------------------------------------

  1407.     # Internal stuff (transport)

  1408. 

  1409.     def refreshTransport(self, forced = False):

  1410.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  1411.             return

  1412. 

  1413.         timeInfo = self.host.get_transport_info()

  1414.         playing  = timeInfo['playing']

  1415.         frame    = timeInfo['frame']

  1416. 

  1417.         if playing != self.fLastTransportState or forced:

  1418.             if playing:

  1419.                 icon = getIcon("media-playback-pause")

  1420.                 self.ui.act_transport_play.setChecked(True)

  1421.                 self.ui.act_transport_play.setIcon(icon)

  1422.                 self.ui.act_transport_play.setText(self.tr("&Pause"))

  1423.             else:

  1424.                 icon = getIcon("media-playback-start")

  1425.                 self.ui.act_transport_play.setChecked(False)

  1426.                 self.ui.act_transport_play.setIcon(icon)

  1427.                 self.ui.act_transport_play.setText(self.tr("&Play"))

  1428. 

  1429.             self.fLastTransportState = playing

  1430. 

  1431.         if frame != self.fLastTransportFrame or forced:

  1432.             time = frame / self.fSampleRate

  1433.             secs = time % 60

  1434.             mins = (time / 60) % 60

  1435.             hrs  = (time / 3600) % 60

  1436. 

  1437.             self.fTransportText = "Transport %s, at %02i:%02i:%02i" % ("playing" if playing else "stopped", hrs, mins, secs)

  1438.             self.fLastTransportFrame = frame

  1439. 

  1440.     def setTransportMenuEnabled(self, enabled):

  1441.         self.ui.act_transport_play.setEnabled(enabled)

  1442.         self.ui.act_transport_stop.setEnabled(enabled)

  1443.         self.ui.act_transport_backwards.setEnabled(enabled)

  1444.         self.ui.act_transport_forwards.setEnabled(enabled)

  1445.         self.ui.menu_Transport.setEnabled(enabled)

  1446. 

  1447.     @pyqtSlot(bool)

  1448.     def slot_transportPlayPause(self, toggled):

  1449.         if not self.host.is_engine_running():

  1450.             return

  1451. 

  1452.         if toggled:

  1453.             self.host.transport_play()

  1454.         else:

  1455.             self.host.transport_pause()

  1456. 

  1457.         self.refreshTransport()

  1458. 

  1459.     @pyqtSlot()

  1460.     def slot_transportStop(self):

  1461.         if not self.host.is_engine_running():

  1462.             return

  1463. 

  1464.         self.host.transport_pause()

  1465.         self.host.transport_relocate(0)

  1466. 

  1467.         self.refreshTransport()

  1468. 

  1469.     @pyqtSlot()

  1470.     def slot_transportBackwards(self):

  1471.         if not self.host.is_engine_running():

  1472.             return

  1473. 

  1474.         newFrame = self.host.get_current_transport_frame() - 100000

  1475. 

  1476.         if newFrame < 0:

  1477.             newFrame = 0

  1478. 

  1479.         self.host.transport_relocate(newFrame)

  1480. 

  1481.     @pyqtSlot()

  1482.     def slot_transportForwards(self):

  1483.         if not self.host.is_engine_running():

  1484.             return

  1485. 

  1486.         newFrame = self.host.get_current_transport_frame() + 100000

  1487.         self.host.transport_relocate(newFrame)

  1488. 

  1489.     # -----------------------------------------------------------------

  1490.     # Internal stuff (settings)

  1491. 

  1492.     def loadSettings(self, firstTime):

  1493.         settings = QSettings()

  1494. 

  1495.         if firstTime:

  1496.             self.restoreGeometry(settings.value("Geometry", ""))

  1497. 

  1498.             showToolbar = settings.value("ShowToolbar", True, type=bool)

  1499.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1500.             self.ui.toolBar.setVisible(showToolbar)

  1501. 

  1502.             #if settings.contains("SplitterState"):

  1503.                 #self.ui.splitter.restoreState(settings.value("SplitterState", ""))

  1504.             #else:

  1505.                 #self.ui.splitter.setSizes([210, 99999])

  1506. 

  1507.             diskFolders = toList(settings.value("DiskFolders", [HOME]))

  1508. 

  1509.             self.ui.cb_disk.setItemData(0, HOME)

  1510. 

  1511.             for i in range(len(diskFolders)):

  1512.                 if i == 0: continue

  1513.                 folder = diskFolders[i]

  1514.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1515. 

  1516.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, type=bool):

  1517.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1518. 

  1519.             showMeters = settings.value("ShowMeters", False, type=bool)

  1520.             self.ui.act_settings_show_meters.setChecked(showMeters)

  1521.             self.ui.peak_in.setVisible(showMeters)

  1522.             self.ui.peak_out.setVisible(showMeters)

  1523. 

  1524.             showKeyboard = settings.value("ShowKeyboard", not(MACOS or WINDOWS), type=bool)

  1525.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  1526.             self.ui.scrollArea.setVisible(showKeyboard)

  1527. 

  1528.         # ---------------------------------------------

  1529. 

  1530.         # TODO

  1531. 

  1532.         self.fSavedSettings = {

  1533.             CARLA_KEY_MAIN_PROJECT_FOLDER:     settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,     CARLA_DEFAULT_MAIN_PROJECT_FOLDER,     type=str),

  1534.             CARLA_KEY_MAIN_REFRESH_INTERVAL:   settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,   CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,   type=int),

  1535.             CARLA_KEY_MAIN_USE_CUSTOM_SKINS:   settings.value(CARLA_KEY_MAIN_USE_CUSTOM_SKINS,   CARLA_DEFAULT_MAIN_USE_CUSTOM_SKINS,   type=bool),

  1536.             CARLA_KEY_CANVAS_THEME:            settings.value(CARLA_KEY_CANVAS_THEME,            CARLA_DEFAULT_CANVAS_THEME,            type=str),

  1537.             CARLA_KEY_CANVAS_SIZE:             settings.value(CARLA_KEY_CANVAS_SIZE,             CARLA_DEFAULT_CANVAS_SIZE,             type=str),

  1538.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS: settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS, CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS, type=bool),

  1539.             CARLA_KEY_CANVAS_USE_BEZIER_LINES: settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES, CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES, type=bool),

  1540.             CARLA_KEY_CANVAS_EYE_CANDY:        settings.value(CARLA_KEY_CANVAS_EYE_CANDY,        CARLA_DEFAULT_CANVAS_EYE_CANDY,        type=int),

  1541.             CARLA_KEY_CANVAS_USE_OPENGL:       settings.value(CARLA_KEY_CANVAS_USE_OPENGL,       CARLA_DEFAULT_CANVAS_USE_OPENGL,       type=bool),

  1542.             CARLA_KEY_CANVAS_ANTIALIASING:     settings.value(CARLA_KEY_CANVAS_ANTIALIASING,     CARLA_DEFAULT_CANVAS_ANTIALIASING,     type=int),

  1543.             CARLA_KEY_CANVAS_HQ_ANTIALIASING:  settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,  CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,  type=bool),

  1544.             CARLA_KEY_CUSTOM_PAINTING:        (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, type=bool) and

  1545.                                                settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", type=str).lower() == "black")

  1546.         }

  1547. 

  1548.         # ---------------------------------------------

  1549. 

  1550.         self.setEngineSettings()

  1551. 

  1552.         self.restartTimersIfNeeded()

  1553. 

  1554.         # ---------------------------------------------

  1555. 

  1556.     def saveSettings(self):

  1557.         settings = QSettings()

  1558. 

  1559.         settings.setValue("Geometry", self.saveGeometry())

  1560.         #settings.setValue("SplitterState", self.ui.splitter.saveState())

  1561.         settings.setValue("ShowToolbar", self.ui.toolBar.isVisible())

  1562. 

  1563.         diskFolders = []

  1564. 

  1565.         for i in range(self.ui.cb_disk.count()):

  1566.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1567. 

  1568.         settings.setValue("DiskFolders", diskFolders)

  1569. 

  1570.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1571.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1572.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1573.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1574. 

  1575.         #self.fContainer.saveSettings(settings)

  1576. 

  1577.     # -----------------------------------------------------------------

  1578.     # Internal stuff (gui)

  1579. 

  1580.     @pyqtSlot()

  1581.     def slot_aboutCarla(self):

  1582.         CarlaAboutW(self, self.host).exec_()

  1583. 

  1584.     @pyqtSlot()

  1585.     def slot_aboutJuce(self):

  1586.         JuceAboutW(self, self.host).exec_()

  1587. 

  1588.     @pyqtSlot()

  1589.     def slot_aboutQt(self):

  1590.         QApplication.instance().aboutQt()

  1591. 

  1592.     # -----------------------------------------------------------------

  1593. 

  1594.     @pyqtSlot(int)

  1595.     def slot_diskFolderChanged(self, index):

  1596.         if index < 0:

  1597.             return

  1598.         elif index == 0:

  1599.             filename = HOME

  1600.             self.ui.b_disk_remove.setEnabled(False)

  1601.         else:

  1602.             filename = self.ui.cb_disk.itemData(index)

  1603.             self.ui.b_disk_remove.setEnabled(True)

  1604. 

  1605.         self.fDirModel.setRootPath(filename)

  1606.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  1607. 

  1608.     @pyqtSlot()

  1609.     def slot_diskFolderAdd(self):

  1610.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  1611. 

  1612.         if newPath:

  1613.             if newPath[-1] == os.sep:

  1614.                 newPath = newPath[:-1]

  1615.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  1616.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  1617.             self.ui.b_disk_remove.setEnabled(True)

  1618. 

  1619.     @pyqtSlot()

  1620.     def slot_diskFolderRemove(self):

  1621.         index = self.ui.cb_disk.currentIndex()

  1622. 

  1623.         if index <= 0:

  1624.             return

  1625. 

  1626.         self.ui.cb_disk.removeItem(index)

  1627. 

  1628.         if self.ui.cb_disk.currentIndex() == 0:

  1629.             self.ui.b_disk_remove.setEnabled(False)

  1630. 

  1631.     @pyqtSlot(QModelIndex)

  1632.     def slot_fileTreeDoubleClicked(self, modelIndex):

  1633.         filename = self.fDirModel.filePath(modelIndex)

  1634. 

  1635.         if not self.host.load_file(filename):

  1636.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  1637.                              self.tr("Failed to load file"),

  1638.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1639. 

  1640.     # -----------------------------------------------------------------

  1641. 

  1642.     @pyqtSlot(int, int, int, float, str)

  1643.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valueStr):

  1644.         print("DEBUG:", pluginId, value1, value2, value3, valueStr)

  1645. 

  1646.     @pyqtSlot(str)

  1647.     def slot_handleInfoCallback(self, info):

  1648.         QMessageBox.information(self, "Information", info)

  1649. 

  1650.     @pyqtSlot(str)

  1651.     def slot_handleErrorCallback(self, error):

  1652.         QMessageBox.critical(self, "Error", error)

  1653. 

  1654.     @pyqtSlot()

  1655.     def slot_handleQuitCallback(self):

  1656.         pass # TODO

  1657. 

  1658.     # -----------------------------------------------------------------

  1659. 

  1660.     def showEvent(self, event):

  1661.         QMainWindow.showEvent(self, event)

  1662. 

  1663.         # set our gui as parent for all plugins UIs

  1664.         winIdStr = "%x" % self.winId()

  1665.         self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  1666. 

  1667.     def hideEvent(self, event):

  1668.         # disable parent

  1669.         self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  1670. 

  1671.         QMainWindow.hideEvent(self, event)

  1672. 

  1673.     # -----------------------------------------------------------------

  1674. 

  1675.     def fixCanvasPreviewSize(self):

  1676.         self.ui.patchbay.resize(self.ui.rack.size())

  1677.         self.slot_miniCanvasCheckSize()

  1678. 

  1679.     def resizeEvent(self, event):

  1680.         QMainWindow.resizeEvent(self, event)

  1681. 

  1682.         if self.ui.tabWidget.currentIndex() != 1:

  1683.             self.fixCanvasPreviewSize()

  1684.         else:

  1685.             self.slot_miniCanvasCheckSize()

  1686. 

  1687.     # -----------------------------------------------------------------

  1688. 

  1689.     def idleFast(self):

  1690.         self.host.engine_idle()

  1691.         self.refreshTransport()

  1692. 

  1693.         if self.fPluginCount == 0:

  1694.             return

  1695. 

  1696.         for pitem in self.fPluginList:

  1697.             if pitem is None:

  1698.                 break

  1699. 

  1700.             pitem.getWidget().idleFast()

  1701. 

  1702.         for pluginId in self.fSelectedPlugins:

  1703.             self.fPeaksCleared = False

  1704.             if self.ui.peak_in.isVisible():

  1705.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  1706.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  1707.             if self.ui.peak_out.isVisible():

  1708.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  1709.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  1710.             return

  1711. 

  1712.         if self.fPeaksCleared:

  1713.             return

  1714. 

  1715.         self.fPeaksCleared = True

  1716.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1717.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1718.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1719.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1720. 

  1721.     def idleSlow(self):

  1722.         if self.fPluginCount == 0:

  1723.             return

  1724. 

  1725.         for pitem in self.fPluginList:

  1726.             if pitem is None:

  1727.                 break

  1728. 

  1729.             pitem.getWidget().idleSlow()

  1730. 

  1731.     def timerEvent(self, event):

  1732.         if event.timerId() == self.fIdleTimerFast:

  1733.             self.idleFast()

  1734. 

  1735.         elif event.timerId() == self.fIdleTimerSlow:

  1736.             self.idleSlow()

  1737. 

  1738.         QMainWindow.timerEvent(self, event)

  1739. 

  1740.     def closeEvent(self, event):

  1741.         self.killTimers()

  1742.         self.saveSettings()

  1743. 

  1744.         if self.host.isPlugin:

  1745.             pass

  1746. 

  1747.         elif self.host.is_engine_running():

  1748.             self.host.set_engine_about_to_close()

  1749. 

  1750.             count = self.host.get_current_plugin_count()

  1751. 

  1752.             if count > 0:

  1753.                 # simulate project loading, to disable container

  1754.                 self.ui.act_plugin_remove_all.setEnabled(False)

  1755.                 #self.fContainer.projectLoadingStarted()

  1756. 

  1757.                 app = QApplication.instance()

  1758.                 for i in range(count):

  1759.                     app.processEvents()

  1760.                     self.host.remove_plugin(count-i-1)

  1761. 

  1762.                 app.processEvents()

  1763. 

  1764.                 #self.removeAllPlugins()

  1765.                 #self.host.remove_all_plugins()

  1766. 

  1767.             self.slot_engineStop()

  1768. 

  1769.         QMainWindow.closeEvent(self, event)

  1770. 

  1771. # ------------------------------------------------------------------------------------------------

  1772. # Canvas callback

  1773. 

  1774. def canvasCallback(action, value1, value2, valueStr):

  1775.     host = gCarla.gui.host

  1776. 

  1777.     if action == patchcanvas.ACTION_GROUP_INFO:

  1778.         pass

  1779. 

  1780.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  1781.         pass

  1782. 

  1783.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  1784.         groupId = value1

  1785.         patchcanvas.splitGroup(groupId)

  1786.         gCarla.gui.ui.miniCanvasPreview.update()

  1787. 

  1788.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  1789.         groupId = value1

  1790.         patchcanvas.joinGroup(groupId)

  1791.         gCarla.gui.ui.miniCanvasPreview.update()

  1792. 

  1793.     elif action == patchcanvas.ACTION_PORT_INFO:

  1794.         pass

  1795. 

  1796.     elif action == patchcanvas.ACTION_PORT_RENAME:

  1797.         pass

  1798. 

  1799.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  1800.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")]

  1801. 

  1802.         if not host.patchbay_connect(gOut, pOut, gIn, pIn):

  1803.             print("Connection failed:", host.get_last_error())

  1804. 

  1805.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  1806.         connectionId = value1

  1807. 

  1808.         if not host.patchbay_disconnect(connectionId):

  1809.             print("Disconnect failed:", host.get_last_error())

  1810. 

  1811.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  1812.         pluginId = value1

  1813. 

  1814.         host.clone_plugin(pluginId)

  1815. 

  1816.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  1817.         pluginId = value1

  1818. 

  1819.         dialog = gCarla.gui.getPluginEditDialog(pluginId)

  1820. 

  1821.         if dialog is None:

  1822.             return

  1823. 

  1824.         dialog.show()

  1825. 

  1826.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  1827.         pluginId = value1

  1828.         newName  = valueStr

  1829. 

  1830.         host.rename_plugin(pluginId, newName)

  1831. 

  1832.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  1833.         pluginId = value1

  1834. 

  1835.         host.remove_plugin(pluginId)

  1836. 

  1837.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  1838.         pluginId = value1

  1839. 

  1840.         host.show_custom_ui(pluginId, True)

  1841. 

  1842. # ------------------------------------------------------------------------------------------------------------

  1843. # Engine callback

  1844. 

  1845. def engineCallback(host, action, pluginId, value1, value2, value3, valueStr):

  1846.     # kdevelop likes this :)

  1847.     if False: host = CarlaHostMeta()

  1848. 

  1849.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  1850.         host.processMode   = value1

  1851.         host.transportMode = value2

  1852.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  1853.         host.processMode   = value1

  1854.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  1855.         host.transportMode = value1

  1856. 

  1857.     valueStr = charPtrToString(valueStr)

  1858. 

  1859.     if action == ENGINE_CALLBACK_DEBUG:

  1860.         host.DebugCallback.emit(pluginId, value1, value2, value3, valueStr)

  1861.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  1862.         host.PluginAddedCallback.emit(pluginId, valueStr)

  1863.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  1864.         host.PluginRemovedCallback.emit(pluginId)

  1865.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  1866.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  1867.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  1868.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  1869.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  1870.         host.ParameterValueChangedCallback.emit(pluginId, value1, value3)

  1871.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  1872.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, value3)

  1873.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CC_CHANGED:

  1874.         host.ParameterMidiCcChangedCallback.emit(pluginId, value1, value2)

  1875.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  1876.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  1877.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  1878.         host.ProgramChangedCallback.emit(pluginId, value1)

  1879.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  1880.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  1881.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  1882.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  1883.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  1884.         host.UiStateChangedCallback.emit(pluginId, value1)

  1885.     elif action == ENGINE_CALLBACK_NOTE_ON:

  1886.         host.NoteOnCallback.emit(pluginId, value1, value2, int(value3))

  1887.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  1888.         host.NoteOffCallback.emit(pluginId, value1, value2)

  1889.     elif action == ENGINE_CALLBACK_UPDATE:

  1890.         host.UpdateCallback.emit(pluginId)

  1891.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  1892.         host.ReloadInfoCallback.emit(pluginId)

  1893.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  1894.         host.ReloadParametersCallback.emit(pluginId)

  1895.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  1896.         host.ReloadProgramsCallback.emit(pluginId)

  1897.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  1898.         host.ReloadAllCallback.emit(pluginId)

  1899.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  1900.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  1901.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  1902.         host.PatchbayClientRemovedCallback.emit(pluginId)

  1903.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  1904.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  1905.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  1906.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  1907.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  1908.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, valueStr)

  1909.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  1910.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  1911.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_RENAMED:

  1912.         host.PatchbayPortRenamedCallback.emit(pluginId, value1, valueStr)

  1913.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  1914.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  1915.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  1916.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  1917.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  1918.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  1919.         host.EngineStartedCallback.emit(value1, value2, valueStr)

  1920.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  1921.         host.EngineStoppedCallback.emit()

  1922.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  1923.         host.ProcessModeChangedCallback.emit(value1)

  1924.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  1925.         host.TransportModeChangedCallback.emit(value1)

  1926.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  1927.         host.BufferSizeChangedCallback.emit(value1)

  1928.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  1929.         host.SampleRateChangedCallback.emit(value3)

  1930.     elif action == ENGINE_CALLBACK_IDLE:

  1931.         QApplication.instance().processEvents()

  1932.     elif action == ENGINE_CALLBACK_INFO:

  1933.         host.InfoCallback.emit(valueStr)

  1934.     elif action == ENGINE_CALLBACK_ERROR:

  1935.         host.ErrorCallback.emit(valueStr)

  1936.     elif action == ENGINE_CALLBACK_QUIT:

  1937.         host.QuitCallback.emit()

  1938. 

  1939. # ------------------------------------------------------------------------------------------------------------

  1940. # File callback

  1941. 

  1942. def fileCallback(ptr, action, isDir, title, filter):

  1943.     ret = ("", "") if config_UseQt5 else ""

  1944. 

  1945.     if action == FILE_CALLBACK_DEBUG:

  1946.         pass

  1947.     elif action == FILE_CALLBACK_OPEN:

  1948.         ret = QFileDialog.getOpenFileName(gCarla.gui, charPtrToString(title), "", charPtrToString(filter) ) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  1949.     elif action == FILE_CALLBACK_SAVE:

  1950.         ret = QFileDialog.getSaveFileName(gCarla.gui, charPtrToString(title), "", charPtrToString(filter), QFileDialog.ShowDirsOnly if isDir else 0x0)

  1951. 

  1952.     if config_UseQt5:

  1953.         ret = ret[0]

  1954.     if not ret:

  1955.         return None

  1956. 

  1957.     global fileRet

  1958.     fileRet = c_char_p(ret.encode("utf-8"))

  1959.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  1960.     return retval.contents.value

  1961. 

  1962. # ------------------------------------------------------------------------------------------------------------

  1963. # Init host

  1964. 

  1965. def initHost(initName, libPrefixOrPluginClass, isControl, isPlugin, failError):

  1966.     if isPlugin:

  1967.         PluginClass = libPrefixOrPluginClass

  1968.         libPrefix   = None

  1969.     else:

  1970.         PluginClass = None

  1971.         libPrefix   = libPrefixOrPluginClass

  1972. 

  1973.     # --------------------------------------------------------------------------------------------------------

  1974.     # Set Carla library name

  1975. 

  1976.     libname = "libcarla_"

  1977. 

  1978.     if isControl:

  1979.         libname += "control2"

  1980.     else:

  1981.         libname += "standalone2"

  1982. 

  1983.     if WINDOWS:

  1984.         libname += ".dll"

  1985.     elif MACOS:

  1986.         libname += ".dylib"

  1987.     else:

  1988.         libname += ".so"

  1989. 

  1990.     # --------------------------------------------------------------------------------------------------------

  1991.     # Set binary dir

  1992. 

  1993.     CWDl = CWD.lower()

  1994. 

  1995.     # standalone, installed system-wide linux

  1996.     if libPrefix is not None:

  1997.         pathBinaries  = os.path.join(libPrefix, "lib", "carla")

  1998.         pathResources = os.path.join(libPrefix, "share", "carla", "resources")

  1999. 

  2000.     # standalone, local source

  2001.     elif CWDl.endswith("source"):

  2002.         pathBinaries  = os.path.abspath(os.path.join(CWD, "..", "bin"))

  2003.         pathResources = os.path.join(pathBinaries, "resources")

  2004. 

  2005.     # plugin

  2006.     elif CWDl.endswith("resources"):

  2007.         # installed system-wide linux

  2008.         if CWDl.endswith("/share/carla/resources"):

  2009.             pathBinaries  = os.path.abspath(os.path.join(CWD, "..", "..", "..", "lib", "carla"))

  2010.             pathResources = CWD

  2011. 

  2012.         # local source

  2013.         elif CWDl.endswith("native-plugins%sresources" % os.sep):

  2014.             pathBinaries  = os.path.abspath(os.path.join(CWD, "..", "..", "..", "..", "bin"))

  2015.             pathResources = CWD

  2016. 

  2017.         # other

  2018.         else:

  2019.             pathBinaries  = os.path.abspath(os.path.join(CWD, ".."))

  2020.             pathResources = CWD

  2021. 

  2022.     # everything else

  2023.     else:

  2024.         pathBinaries  = CWD

  2025.         pathResources = os.path.join(pathBinaries, "resources")

  2026. 

  2027.     # --------------------------------------------------------------------------------------------------------

  2028.     # Fail if binary dir is not found

  2029. 

  2030.     if not os.path.exists(pathBinaries):

  2031.         if failError:

  2032.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  2033.             sys.exit(1)

  2034.         return

  2035. 

  2036.     # --------------------------------------------------------------------------------------------------------

  2037.     # Print info

  2038. 

  2039.     print("Carla %s started, status:" % VERSION)

  2040.     print("  Python version: %s" % sys.version.split(" ",1)[0])

  2041.     print("  Qt version:     %s" % qVersion())

  2042.     print("  PyQt version:   %s" % PYQT_VERSION_STR)

  2043.     print("  Binary dir:     %s" % pathBinaries)

  2044.     print("  Resources dir:  %s" % pathResources)

  2045. 

  2046.     # --------------------------------------------------------------------------------------------------------

  2047.     # Init host

  2048. 

  2049.     if failError:

  2050.         # no try

  2051.         host = PluginClass() if isPlugin else CarlaHostDLL(os.path.join(pathBinaries, libname))

  2052.     else:

  2053.         try:

  2054.             host = PluginClass() if isPlugin else CarlaHostDLL(os.path.join(pathBinaries, libname))

  2055.         except:

  2056.             host = CarlaHostNull()

  2057. 

  2058.     host.isControl = isControl

  2059.     host.isPlugin  = isPlugin

  2060. 

  2061.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vs: engineCallback(host,a,p,v1,v2,v3,vs))

  2062.     host.set_file_callback(fileCallback)

  2063. 

  2064.     # If it's a plugin the paths are already set

  2065.     if not isPlugin:

  2066.         host.pathBinaries  = pathBinaries

  2067.         host.pathResources = pathResources

  2068.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  2069.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  2070. 

  2071.         if not isControl:

  2072.             host.set_engine_option(ENGINE_OPTION_NSM_INIT, os.getpid(), initName)

  2073. 

  2074.     return host

  2075. 

  2076. # ------------------------------------------------------------------------------------------------------------

  2077. # Load host settings

  2078. 

  2079. def loadHostSettings(host):

  2080.     # kdevelop likes this :)

  2081.     if False: host = CarlaHostMeta()

  2082. 

  2083.     settings = QSettings("falkTX", "Carla2")

  2084. 

  2085.     # bool values

  2086.     try:

  2087.         host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, type=bool)

  2088.     except:

  2089.         host.forceStereo = CARLA_DEFAULT_FORCE_STEREO

  2090. 

  2091.     try:

  2092.         host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, type=bool)

  2093.     except:

  2094.         host.preferPluginBridges = CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES

  2095. 

  2096.     try:

  2097.         host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, type=bool)

  2098.     except:

  2099.         host.preferUIBridges = CARLA_DEFAULT_PREFER_UI_BRIDGES

  2100. 

  2101.     try:

  2102.         host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, type=bool)

  2103.     except:

  2104.         host.uisAlwaysOnTop = CARLA_DEFAULT_UIS_ALWAYS_ON_TOP

  2105. 

  2106.     # int values

  2107.     try:

  2108.         host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, type=int)

  2109.     except:

  2110.         host.maxParameters = CARLA_DEFAULT_MAX_PARAMETERS

  2111. 

  2112.     try:

  2113.         host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, type=int)

  2114.     except:

  2115.         host.uiBridgesTimeout = CARLA_DEFAULT_UI_BRIDGES_TIMEOUT

  2116. 

  2117.     if host.isPlugin:

  2118.         return

  2119. 

  2120.     # enums

  2121.     try:

  2122.         host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, type=int)

  2123.     except:

  2124.         host.transportMode = CARLA_DEFAULT_TRANSPORT_MODE

  2125. 

  2126.     if not host.processModeForced:

  2127.         try:

  2128.             host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, type=int)

  2129.         except:

  2130.             host.processMode = CARLA_DEFAULT_PROCESS_MODE

  2131. 

  2132.     # --------------------------------------------------------------------------------------------------------

  2133.     # fix things if needed

  2134. 

  2135.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS and LADISH_APP_NAME:

  2136.         print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  2137.         host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  2138. 

  2139. # ------------------------------------------------------------------------------------------------------------

  2140. # Set host settings

  2141. 

  2142. def setHostSettings(host):

  2143.     # kdevelop likes this :)

  2144.     if False: host = CarlaHostMeta()

  2145. 

  2146.     # TEST

  2147.     host.preventBadBehaviour = True

  2148. 

  2149.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  2150.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  2151.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  2152.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  2153.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  2154.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  2155.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  2156. 

  2157.     if host.isPlugin:

  2158.         return

  2159. 

  2160.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.processMode,         "")

  2161.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       "")

  2162. 

  2163. # ------------------------------------------------------------------------------------------------------------