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

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  1. #!/usr/bin/env python3

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

  3. 

  4. # Carla host code

  5. # Copyright (C) 2011-2019 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 (Global)

  21. 

  22. import json

  23. 

  24. from PyQt5.Qt import PYQT_VERSION

  25. from PyQt5.QtCore import QT_VERSION, qCritical, QEventLoop, QFileInfo, QModelIndex, QPointF, QTimer, QEvent

  26. from PyQt5.QtGui import QImage, QPalette, QBrush

  27. from PyQt5.QtWidgets import QAction, QApplication, QInputDialog, QFileSystemModel, QListWidgetItem, QGraphicsView, QMainWindow

  28. 

  29. # ------------------------------------------------------------------------------------------------------------

  30. # Imports (Custom)

  31. 

  32. import ui_carla_host

  33. 

  34. from carla_app import *

  35. from carla_database import *

  36. from carla_settings import *

  37. from carla_utils import *

  38. from carla_widgets import *

  39. 

  40. from patchcanvas import patchcanvas

  41. from widgets.digitalpeakmeter import DigitalPeakMeter

  42. from widgets.pixmapkeyboard import PixmapKeyboardHArea

  43. 

  44. # ------------------------------------------------------------------------------------------------------------

  45. # Try Import OpenGL

  46. 

  47. try:

  48.     from PyQt5.QtOpenGL import QGLWidget

  49.     hasGL = True

  50. except:

  51.     hasGL = False

  52. 

  53. # ------------------------------------------------------------------------------------------------------------

  54. # Safe exception hook, needed for PyQt5

  55. 

  56. def sys_excepthook(typ, value, tback):

  57.     return sys.__excepthook__(typ, value, tback)

  58. 

  59. # ------------------------------------------------------------------------------------------------------------

  60. # Session Management support

  61. 

  62. CARLA_CLIENT_NAME = os.getenv("CARLA_CLIENT_NAME")

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

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

  65. 

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

  67. # Small print helper

  68. 

  69. def processMode2Str(processMode):

  70.     if processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT:

  71.         return "Single client"

  72.     if processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  73.         return "Multi client"

  74.     if processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK:

  75.         return "Continuous Rack"

  76.     if processMode == ENGINE_PROCESS_MODE_PATCHBAY:

  77.         return "Patchbay"

  78.     if processMode == ENGINE_PROCESS_MODE_BRIDGE:

  79.         return "Bridge"

  80.     return "Unknown"

  81. 

  82. # ------------------------------------------------------------------------------------------------------------

  83. # Carla Print class

  84. 

  85. class CarlaPrint:

  86.     def __init__(self, err):

  87.         self.err = err

  88. 

  89.     def flush(self):

  90.         gCarla.utils.fflush(self.err)

  91. 

  92.     def write(self, string):

  93.         gCarla.utils.fputs(self.err, string)

  94. 

  95. # ------------------------------------------------------------------------------------------------------------

  96. # Host Window

  97. 

  98. class HostWindow(QMainWindow):

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

  100.     # signals

  101.     SIGTERM = pyqtSignal()

  102.     SIGUSR1 = pyqtSignal()

  103. 

  104.     # CustomActions

  105.     CUSTOM_ACTION_NONE         = 0

  106.     CUSTOM_ACTION_APP_CLOSE    = 1

  107.     CUSTOM_ACTION_PROJECT_LOAD = 2

  108. 

  109.     # --------------------------------------------------------------------------------------------------------

  110. 

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

  112.         QMainWindow.__init__(self, parent)

  113.         self.host = host

  114.         self.ui = ui_carla_host.Ui_CarlaHostW()

  115.         self.ui.setupUi(self)

  116.         gCarla.gui = self

  117. 

  118.         if False:

  119.             # kdevelop likes this :)

  120.             host = CarlaHostNull()

  121.             self.host = host

  122. 

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

  124. 

  125.         self.fParentOrSelf = parent or self

  126. 

  127.         # ----------------------------------------------------------------------------------------------------

  128.         # Internal stuff

  129. 

  130.         self.fIdleTimerNull = self.startTimer(1000) # keep application signals alive

  131.         self.fIdleTimerFast = 0

  132.         self.fIdleTimerSlow = 0

  133. 

  134.         self.fLadspaRdfNeedsUpdate = True

  135.         self.fLadspaRdfList = []

  136. 

  137.         self.fPluginCount = 0

  138.         self.fPluginList  = []

  139. 

  140.         self.fProjectFilename  = ""

  141.         self.fIsProjectLoading = False

  142.         self.fCurrentlyRemovingAllPlugins = False

  143. 

  144.         self.fLastTransportBPM   = 0.0

  145.         self.fLastTransportFrame = 0

  146.         self.fLastTransportState = False

  147.         self.fBufferSize         = 0

  148.         self.fSampleRate         = 0.0

  149.         self.fOscAddressTCP      = ""

  150.         self.fOscAddressUDP      = ""

  151.         self.fOscReportedHost    = ""

  152. 

  153.         if MACOS:

  154.             self.fMacClosingHelper = True

  155. 

  156.         # CancelableActionCallback Box

  157.         self.fCancelableActionBox = None

  158. 

  159.         # run a custom action after engine is properly closed

  160.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  161. 

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

  163.         self.fFirstEngineInit = True

  164. 

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

  166.         self.fSavedSettings = {}

  167. 

  168.         if host.isControl:

  169.             self.fClientName         = "Carla-Control"

  170.             self.fSessionManagerName = "Control"

  171.         elif host.isPlugin:

  172.             self.fClientName         = "Carla-Plugin"

  173.             self.fSessionManagerName = "Plugin"

  174.         elif LADISH_APP_NAME:

  175.             self.fClientName         = LADISH_APP_NAME

  176.             self.fSessionManagerName = "LADISH"

  177.         elif NSM_URL and host.nsmOK:

  178.             self.fClientName         = "Carla.tmp"

  179.             self.fSessionManagerName = "Non Session Manager TMP"

  180.         else:

  181.             self.fClientName         = CARLA_CLIENT_NAME or "Carla"

  182.             self.fSessionManagerName = ""

  183. 

  184.         # ----------------------------------------------------------------------------------------------------

  185.         # Internal stuff (patchbay)

  186. 

  187.         self.fExportImage = QImage()

  188. 

  189.         self.fPeaksCleared = True

  190. 

  191.         self.fExternalPatchbay = False

  192.         self.fSelectedPlugins  = []

  193. 

  194.         self.fCanvasWidth  = 0

  195.         self.fCanvasHeight = 0

  196.         self.fMiniCanvasUpdateTimeout = 0

  197. 

  198.         self.fWithCanvas = withCanvas

  199. 

  200.         # ----------------------------------------------------------------------------------------------------

  201.         # Set up GUI (engine stopped)

  202. 

  203.         if self.host.isPlugin or self.host.isControl:

  204.             self.ui.act_file_save.setVisible(False)

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

  206.             self.ui.act_engine_start.setVisible(False)

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

  208.             self.ui.act_engine_stop.setVisible(False)

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

  210.             self.ui.menu_Engine.setVisible(False)

  211.             self.ui.menu_Engine.menuAction().setVisible(False)

  212.             self.ui.tabWidget.removeTab(2)

  213. 

  214.             if self.host.isControl:

  215.                 self.ui.act_file_new.setVisible(False)

  216.                 self.ui.act_file_open.setVisible(False)

  217.                 self.ui.act_file_save_as.setVisible(False)

  218.                 self.ui.tabUtils.removeTab(0)

  219.             else:

  220.                 self.ui.act_file_save_as.setText(self.tr("Export as..."))

  221. 

  222.                 if not withCanvas:

  223.                     self.ui.tabWidget.tabBar().hide()

  224. 

  225.         else:

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

  227. 

  228.             if WINDOWS:

  229.                 self.ui.tabWidget.removeTab(2)

  230. 

  231.         if self.host.isControl:

  232.             self.ui.act_file_refresh.setEnabled(False)

  233.         else:

  234.             self.ui.act_file_connect.setEnabled(False)

  235.             self.ui.act_file_connect.setVisible(False)

  236.             self.ui.act_file_refresh.setEnabled(False)

  237.             self.ui.act_file_refresh.setVisible(False)

  238. 

  239.         if self.fSessionManagerName and not self.host.isPlugin:

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

  241. 

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

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

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

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

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

  247. 

  248.         self.ui.act_canvas_show_internal.setChecked(False)

  249.         self.ui.act_canvas_show_internal.setVisible(False)

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

  251.         self.ui.act_canvas_show_external.setVisible(False)

  252. 

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

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

  255. 

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

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

  258. 

  259.         if not withCanvas:

  260.             self.ui.act_canvas_show_internal.setVisible(False)

  261.             self.ui.act_canvas_show_external.setVisible(False)

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

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

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

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

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

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

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

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

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

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

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

  273.             self.ui.menu_Canvas_Zoom.menuAction().setVisible(False)

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

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

  276.             self.ui.menu_Canvas.menuAction().setVisible(False)

  277.             self.ui.tw_miniCanvas.hide()

  278.             self.ui.tabWidget.removeTab(1)

  279.             if WINDOWS:

  280.                 self.ui.tabWidget.tabBar().hide()

  281. 

  282.         # ----------------------------------------------------------------------------------------------------

  283.         # Set up GUI (disk)

  284. 

  285.         exts = gCarla.utils.get_supported_file_extensions()

  286. 

  287.         self.fDirModel = QFileSystemModel(self)

  288.         self.fDirModel.setRootPath(HOME)

  289.         self.fDirModel.setNameFilters(tuple(("*." + i) for i in exts))

  290. 

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

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

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

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

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

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

  297. 

  298.         # ----------------------------------------------------------------------------------------------------

  299.         # Set up GUI (transport)

  300. 

  301.         fontMetrics   = self.ui.l_transport_bbt.fontMetrics()

  302.         minValueWidth = fontMetrics.width("000|00|0000")

  303.         minLabelWidth = fontMetrics.width(self.ui.label_transport_frame.text())

  304. 

  305.         labelTimeWidth = fontMetrics.width(self.ui.label_transport_time.text())

  306.         labelBBTWidth  = fontMetrics.width(self.ui.label_transport_bbt.text())

  307. 

  308.         if minLabelWidth < labelTimeWidth:

  309.             minLabelWidth = labelTimeWidth

  310.         if minLabelWidth < labelBBTWidth:

  311.             minLabelWidth = labelBBTWidth

  312. 

  313.         self.ui.label_transport_frame.setMinimumWidth(minLabelWidth + 3)

  314.         self.ui.label_transport_time.setMinimumWidth(minLabelWidth + 3)

  315.         self.ui.label_transport_bbt.setMinimumWidth(minLabelWidth + 3)

  316. 

  317.         self.ui.l_transport_bbt.setMinimumWidth(minValueWidth + 3)

  318.         self.ui.l_transport_frame.setMinimumWidth(minValueWidth + 3)

  319.         self.ui.l_transport_time.setMinimumWidth(minValueWidth + 3)

  320. 

  321.         if host.isPlugin:

  322.             self.ui.b_transport_play.setEnabled(False)

  323.             self.ui.b_transport_stop.setEnabled(False)

  324.             self.ui.b_transport_backwards.setEnabled(False)

  325.             self.ui.b_transport_forwards.setEnabled(False)

  326.             self.ui.group_transport_controls.setEnabled(False)

  327.             self.ui.group_transport_controls.setVisible(False)

  328.             self.ui.cb_transport_link.setEnabled(False)

  329.             self.ui.cb_transport_link.setVisible(False)

  330.             self.ui.cb_transport_jack.setEnabled(False)

  331.             self.ui.cb_transport_jack.setVisible(False)

  332.             self.ui.dsb_transport_bpm.setEnabled(False)

  333.             self.ui.dsb_transport_bpm.setReadOnly(True)

  334. 

  335.         self.ui.w_transport.setEnabled(False)

  336. 

  337.         # ----------------------------------------------------------------------------------------------------

  338.         # Set up GUI (rack)

  339. 

  340.         self.ui.listWidget.setHostAndParent(self.host, self)

  341. 

  342.         sb = self.ui.listWidget.verticalScrollBar()

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

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

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

  346. 

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

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

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

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

  351. 

  352.         self.updateStyle()

  353. 

  354.         self.ui.rack.setStyleSheet("""

  355.           CarlaRackList#CarlaRackList {

  356.             background-color: black;

  357.           }

  358.         """)

  359. 

  360.         # ----------------------------------------------------------------------------------------------------

  361.         # Set up GUI (patchbay)

  362. 

  363.         self.ui.peak_in.setChannelCount(2)

  364.         self.ui.peak_in.setMeterColor(DigitalPeakMeter.COLOR_BLUE)

  365.         self.ui.peak_in.setMeterOrientation(DigitalPeakMeter.VERTICAL)

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

  367. 

  368.         self.ui.peak_out.setChannelCount(2)

  369.         self.ui.peak_out.setMeterColor(DigitalPeakMeter.COLOR_GREEN)

  370.         self.ui.peak_out.setMeterOrientation(DigitalPeakMeter.VERTICAL)

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

  372. 

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

  374.         self.ui.keyboard   = self.ui.scrollArea.keyboard

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

  376. 

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

  378. 

  379.         self.ui.miniCanvasPreview.setRealParent(self)

  380.         self.ui.tw_miniCanvas.tabBar().hide()

  381. 

  382.         # ----------------------------------------------------------------------------------------------------

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

  384. 

  385.         if MACOS:

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

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

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

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

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

  391.             self.ui.menu_Help.menuAction().setVisible(False)

  392. 

  393.         # ----------------------------------------------------------------------------------------------------

  394.         # Load Settings

  395. 

  396.         self.loadSettings(True)

  397. 

  398.         # ----------------------------------------------------------------------------------------------------

  399.         # Set-up Canvas

  400. 

  401.         if withCanvas:

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

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

  404. 

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

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

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

  408. 

  409.             self.setupCanvas()

  410. 

  411.         # ----------------------------------------------------------------------------------------------------

  412.         # Connect actions to functions

  413. 

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

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

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

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

  418. 

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

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

  421. 

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

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

  424.         self.ui.act_plugin_remove_all.triggered.connect(self.slot_confirmRemoveAll)

  425. 

  426.         self.ui.act_add_jack.triggered.connect(self.slot_jackAppAdd)

  427.         self.ui.act_plugin_add_jack.triggered.connect(self.slot_jackAppAdd)

  428. 

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

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

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

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

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

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

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

  436.         self.ui.act_plugins_compact.triggered.connect(self.slot_pluginsCompact)

  437.         self.ui.act_plugins_expand.triggered.connect(self.slot_pluginsExpand)

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

  439. 

  440.         self.ui.act_settings_show_toolbar.toggled.connect(self.slot_showToolbar)

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

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

  443.         self.ui.act_settings_show_side_panel.toggled.connect(self.slot_showSidePanel)

  444.         self.ui.act_settings_configure.triggered.connect(self.slot_configureCarla)

  445. 

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

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

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

  449. 

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

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

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

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

  454. 

  455.         self.ui.b_transport_play.clicked.connect(self.slot_transportPlayPause)

  456.         self.ui.b_transport_stop.clicked.connect(self.slot_transportStop)

  457.         self.ui.b_transport_backwards.clicked.connect(self.slot_transportBackwards)

  458.         self.ui.b_transport_forwards.clicked.connect(self.slot_transportForwards)

  459.         self.ui.dsb_transport_bpm.valueChanged.connect(self.slot_transportBpmChanged)

  460.         self.ui.cb_transport_jack.clicked.connect(self.slot_transportJackEnabled)

  461.         self.ui.cb_transport_link.clicked.connect(self.slot_transportLinkEnabled)

  462. 

  463.         self.ui.b_xruns.clicked.connect(self.slot_xrunClear)

  464. 

  465.         self.ui.listWidget.customContextMenuRequested.connect(self.showPluginActionsMenu)

  466. 

  467.         self.ui.keyboard.noteOn.connect(self.slot_noteOn)

  468.         self.ui.keyboard.noteOff.connect(self.slot_noteOff)

  469. 

  470.         self.ui.tabWidget.currentChanged.connect(self.slot_tabChanged)

  471. 

  472.         if withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  489.             self.scene.selectionChanged.connect(self.slot_canvasSelectionChanged)

  490. 

  491.         self.SIGUSR1.connect(self.slot_handleSIGUSR1)

  492.         self.SIGTERM.connect(self.slot_handleSIGTERM)

  493. 

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

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

  496.         host.TransportModeChangedCallback.connect(self.slot_handleTransportModeChangedCallback)

  497.         host.BufferSizeChangedCallback.connect(self.slot_handleBufferSizeChangedCallback)

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

  499.         host.CancelableActionCallback.connect(self.slot_handleCancelableActionCallback)

  500.         host.ProjectLoadFinishedCallback.connect(self.slot_handleProjectLoadFinishedCallback)

  501. 

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

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

  504.         host.ReloadAllCallback.connect(self.slot_handleReloadAllCallback)

  505. 

  506.         host.NoteOnCallback.connect(self.slot_handleNoteOnCallback)

  507.         host.NoteOffCallback.connect(self.slot_handleNoteOffCallback)

  508. 

  509.         host.UpdateCallback.connect(self.slot_handleUpdateCallback)

  510. 

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

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

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

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

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

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

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

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

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

  520. 

  521.         host.NSMCallback.connect(self.slot_handleNSMCallback)

  522. 

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

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

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

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

  527.         host.InlineDisplayRedrawCallback.connect(self.slot_handleInlineDisplayRedrawCallback)

  528. 

  529.         # ----------------------------------------------------------------------------------------------------

  530.         # Final setup

  531. 

  532.         self.ui.text_logs.clear()

  533.         self.setProperWindowTitle()

  534. 

  535.         # Disable non-supported features

  536.         features = gCarla.utils.get_supported_features()

  537. 

  538.         if "link" not in features:

  539.             self.ui.cb_transport_link.setEnabled(False)

  540.             self.ui.cb_transport_link.setVisible(False)

  541. 

  542.         if "juce" not in features:

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

  544.             self.ui.act_help_about_juce.setVisible(False)

  545. 

  546.         # Plugin needs to have timers always running so it receives messages

  547.         if self.host.isPlugin or self.host.isRemote:

  548.             self.startTimers()

  549. 

  550.         # Qt needs this so it properly creates & resizes the canvas

  551.         self.ui.tabWidget.blockSignals(True)

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

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

  554.         self.ui.tabWidget.blockSignals(False)

  555. 

  556.         # Start in patchbay tab if using forced patchbay mode

  557.         if host.processModeForced and host.processMode == ENGINE_PROCESS_MODE_PATCHBAY:

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

  559. 

  560.         # Load initial project file if set

  561.         if not (self.host.isControl or self.host.isPlugin):

  562.             projectFile = getInitialProjectFile(QApplication.instance())

  563. 

  564.             if projectFile:

  565.                 self.loadProjectLater(projectFile)

  566. 

  567.         # For NSM we wait for the open message

  568.         if NSM_URL and host.nsmOK:

  569.             host.nsm_ready(NSM_CALLBACK_INIT)

  570.             return

  571. 

  572.         if not host.isControl:

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

  574. 

  575.     # --------------------------------------------------------------------------------------------------------

  576.     # Setup

  577. 

  578.     def compactPlugin(self, pluginId):

  579.         if pluginId > self.fPluginCount:

  580.             return

  581. 

  582.         pitem = self.fPluginList[pluginId]

  583. 

  584.         if pitem is None:

  585.             return

  586. 

  587.         pitem.recreateWidget(True)

  588. 

  589.     def changePluginColor(self, pluginId, color, colorStr):

  590.         if pluginId > self.fPluginCount:

  591.             return

  592. 

  593.         pitem = self.fPluginList[pluginId]

  594. 

  595.         if pitem is None:

  596.             return

  597. 

  598.         self.host.set_custom_data(pluginId, CUSTOM_DATA_TYPE_PROPERTY, "CarlaColor", colorStr)

  599.         pitem.recreateWidget(newColor = color)

  600. 

  601.     def changePluginSkin(self, pluginId, skin):

  602.         if pluginId > self.fPluginCount:

  603.             return

  604. 

  605.         pitem = self.fPluginList[pluginId]

  606. 

  607.         if pitem is None:

  608.             return

  609. 

  610.         self.host.set_custom_data(pluginId, CUSTOM_DATA_TYPE_PROPERTY, "CarlaSkin", skin)

  611.         if skin not in ("default","rncbc","presets","mpresets"):

  612.             pitem.recreateWidget(newSkin = skin, newColor = (255,255,255))

  613.         else:

  614.             pitem.recreateWidget(newSkin = skin)

  615. 

  616.     def switchPlugins(self, pluginIdA, pluginIdB):

  617.         if pluginIdA == pluginIdB:

  618.             return

  619.         if pluginIdA < 0 or pluginIdB < 0:

  620.             return

  621.         if pluginIdA >= self.fPluginCount or pluginIdB >= self.fPluginCount:

  622.             return

  623. 

  624.         self.host.switch_plugins(pluginIdA, pluginIdB)

  625. 

  626.         itemA = self.fPluginList[pluginIdA]

  627.         compactA = itemA.isCompacted()

  628.         guiShownA = itemA.isGuiShown()

  629. 

  630.         itemB = self.fPluginList[pluginIdB]

  631.         compactB = itemB.isCompacted()

  632.         guiShownB = itemB.isGuiShown()

  633. 

  634.         itemA.setPluginId(pluginIdA)

  635.         itemA.recreateWidget2(compactB, guiShownB)

  636. 

  637.         itemB.setPluginId(pluginIdB)

  638.         itemB.recreateWidget2(compactA, guiShownA)

  639. 

  640.         if self.fWithCanvas:

  641.             self.slot_canvasRefresh()

  642. 

  643.     def setLoadRDFsNeeded(self):

  644.         self.fLadspaRdfNeedsUpdate = True

  645. 

  646.     def setProperWindowTitle(self):

  647.         title = self.fClientName

  648. 

  649.         if self.fProjectFilename and not self.host.nsmOK:

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

  651.         if self.fSessionManagerName:

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

  653. 

  654.         self.setWindowTitle(title)

  655. 

  656.     def updateBufferSize(self, newBufferSize):

  657.         if self.fBufferSize == newBufferSize:

  658.             return

  659.         self.fBufferSize = newBufferSize

  660.         self.ui.cb_buffer_size.clear()

  661.         self.ui.cb_buffer_size.addItem(str(newBufferSize))

  662.         self.ui.cb_buffer_size.setCurrentIndex(0)

  663. 

  664.     def updateSampleRate(self, newSampleRate):

  665.         if self.fSampleRate == newSampleRate:

  666.             return

  667.         self.fSampleRate = newSampleRate

  668.         self.ui.cb_sample_rate.clear()

  669.         self.ui.cb_sample_rate.addItem(str(newSampleRate))

  670.         self.ui.cb_sample_rate.setCurrentIndex(0)

  671.         self.refreshTransport(True)

  672. 

  673.     # --------------------------------------------------------------------------------------------------------

  674.     # Files

  675. 

  676.     def makeExtraFilename(self):

  677.         return self.fProjectFilename.rsplit(".",1)[0]+".json"

  678. 

  679.     def loadProjectNow(self):

  680.         if not self.fProjectFilename:

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

  682.         if self.host.nsmOK and not os.path.exists(self.fProjectFilename):

  683.             return

  684. 

  685.         self.projectLoadingStarted()

  686.         self.fIsProjectLoading = True

  687. 

  688.         if not self.host.load_project(self.fProjectFilename):

  689.             self.fIsProjectLoading = False

  690.             self.projectLoadingFinished()

  691. 

  692.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load project"),

  693.                              self.host.get_last_error(),

  694.                              QMessageBox.Ok, QMessageBox.Ok)

  695. 

  696.     def loadProjectLater(self, filename):

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

  698.         self.setProperWindowTitle()

  699.         QTimer.singleShot(1, self.slot_loadProjectNow)

  700. 

  701.     def saveProjectNow(self):

  702.         if not self.fProjectFilename:

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

  704. 

  705.         if not self.host.save_project(self.fProjectFilename):

  706.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to save project"),

  707.                              self.host.get_last_error(),

  708.                              QMessageBox.Ok, QMessageBox.Ok)

  709.             return

  710. 

  711.         if not self.fWithCanvas:

  712.             return

  713. 

  714.         with open(self.makeExtraFilename(), 'w') as fh:

  715.             json.dump({

  716.                 'canvas': patchcanvas.saveGroupPositions(),

  717.             }, fh)

  718. 

  719.     def projectLoadingStarted(self):

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

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

  722. 

  723.     def projectLoadingFinished(self):

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

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

  726. 

  727.         if not self.fWithCanvas:

  728.             return

  729. 

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

  731. 

  732.         extrafile = self.makeExtraFilename()

  733.         if not os.path.exists(extrafile):

  734.             return

  735. 

  736.         try:

  737.             with open(extrafile, "r") as fh:

  738.                 canvasdata = json.load(fh)['canvas']

  739.         except:

  740.             return

  741. 

  742.         patchcanvas.restoreGroupPositions(canvasdata)

  743. 

  744.     # --------------------------------------------------------------------------------------------------------

  745.     # Files (menu actions)

  746. 

  747.     @pyqtSlot()

  748.     def slot_fileNew(self):

  749.         if self.fPluginCount > 0 and QMessageBox.question(self, self.tr("New File"),

  750.                                                                 self.tr("Plugins that are currently loaded will be removed. Are you sure?"),

  751.                                                                 QMessageBox.Yes|QMessageBox.No) == QMessageBox.No:

  752.             return

  753. 

  754.         self.pluginRemoveAll()

  755.         self.fProjectFilename = ""

  756.         self.setProperWindowTitle()

  757.         self.host.clear_project_filename()

  758. 

  759.     @pyqtSlot()

  760.     def slot_fileOpen(self):

  761.         fileFilter = self.tr("Carla Project File (*.carxp);;Carla Preset File (*.carxs)")

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

  763. 

  764.         # FIXME use ok value, test if it works as expected

  765.         if not filename:

  766.             return

  767. 

  768.         newFile = True

  769. 

  770.         if self.fPluginCount > 0:

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

  772.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  774. 

  775.         if newFile:

  776.             self.pluginRemoveAll()

  777.             self.fProjectFilename = filename

  778.             self.setProperWindowTitle()

  779.             self.loadProjectNow()

  780.         else:

  781.             filenameOld = self.fProjectFilename

  782.             self.fProjectFilename = filename

  783.             self.loadProjectNow()

  784.             self.fProjectFilename = filenameOld

  785. 

  786.     @pyqtSlot()

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

  788.         if self.fProjectFilename and not saveAs:

  789.             return self.saveProjectNow()

  790. 

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

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

  793. 

  794.         # FIXME use ok value, test if it works as expected

  795.         if not filename:

  796.             return

  797. 

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

  799.             filename += ".carxp"

  800. 

  801.         if self.fProjectFilename != filename:

  802.             self.fProjectFilename = filename

  803.             self.setProperWindowTitle()

  804. 

  805.         self.saveProjectNow()

  806. 

  807.     @pyqtSlot()

  808.     def slot_fileSaveAs(self):

  809.         self.slot_fileSave(True)

  810. 

  811.     @pyqtSlot()

  812.     def slot_loadProjectNow(self):

  813.         self.loadProjectNow()

  814. 

  815.     # --------------------------------------------------------------------------------------------------------

  816.     # Engine (menu actions)

  817. 

  818.     @pyqtSlot()

  819.     def slot_engineStart(self):

  820.         audioDriver = setEngineSettings(self.host)

  821.         firstInit   = self.fFirstEngineInit

  822. 

  823.         self.fFirstEngineInit = False

  824.         self.ui.text_logs.appendPlainText("======= Starting engine =======")

  825. 

  826.         if self.host.engine_init(audioDriver, self.fClientName):

  827.             if firstInit and not (self.host.isControl or self.host.isPlugin):

  828.                 settings = QSettings()

  829.                 lastBpm  = settings.value("LastBPM", 120.0, type=float)

  830.                 del settings

  831.                 self.host.transport_bpm(lastBpm)

  832.             return

  833. 

  834.         elif firstInit:

  835.             self.ui.text_logs.appendPlainText("Failed to start engine on first try, ignored")

  836.             return

  837. 

  838.         audioError = self.host.get_last_error()

  839. 

  840.         if audioError:

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

  842.         else:

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

  844. 

  845.     @pyqtSlot()

  846.     def slot_engineStop(self, forced = False):

  847.         self.ui.text_logs.appendPlainText("======= Stopping engine =======")

  848. 

  849.         if self.fPluginCount == 0:

  850.             self.engineStopFinal()

  851.             return True

  852. 

  853.         if not forced:

  854.             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"

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

  856.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  857.             if ask != QMessageBox.Yes:

  858.                 return False

  859. 

  860.         return self.slot_engineStopTryAgain()

  861. 

  862.     @pyqtSlot()

  863.     def slot_engineStopTryAgain(self):

  864.         if self.host.is_engine_running() and not self.host.set_engine_about_to_close():

  865.             QTimer.singleShot(0, self.slot_engineStopTryAgain)

  866.             return False

  867. 

  868.         self.engineStopFinal()

  869.         return True

  870. 

  871.     def engineStopFinal(self):

  872.         self.killTimers()

  873. 

  874.         if self.host.is_engine_running():

  875.             if self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  876.                 self.removeAllPlugins()

  877.             elif self.fPluginCount != 0:

  878.                 self.fCurrentlyRemovingAllPlugins = True

  879.                 self.projectLoadingStarted()

  880. 

  881.             if not self.host.remove_all_plugins():

  882.                 self.ui.text_logs.appendPlainText("Failed to remove all plugins, error was:")

  883.                 self.ui.text_logs.appendPlainText(self.host.get_last_error())

  884. 

  885.             if not self.host.engine_close():

  886.                 self.ui.text_logs.appendPlainText("Failed to stop engine, error was:")

  887.                 self.ui.text_logs.appendPlainText(self.host.get_last_error())

  888. 

  889.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  890.             self.close()

  891.         elif self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  892.             self.slot_engineStart()

  893.             self.loadProjectNow()

  894.             self.host.nsm_ready(NSM_CALLBACK_OPEN)

  895. 

  896.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  897. 

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

  899.     # Engine (host callbacks)

  900. 

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

  902.     def slot_handleEngineStartedCallback(self, pluginCount, processMode, transportMode, bufferSize, sampleRate, driverName):

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

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

  905.         self.ui.w_transport.setEnabled(True)

  906. 

  907.         self.ui.act_canvas_show_internal.blockSignals(True)

  908.         self.ui.act_canvas_show_external.blockSignals(True)

  909. 

  910.         if processMode == ENGINE_PROCESS_MODE_PATCHBAY: # and not self.host.isPlugin:

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

  912.             self.ui.act_canvas_show_internal.setVisible(True)

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

  914.             self.ui.act_canvas_show_external.setVisible(True)

  915.             self.fExternalPatchbay = False

  916.         else:

  917.             self.ui.act_canvas_show_internal.setChecked(False)

  918.             self.ui.act_canvas_show_internal.setVisible(False)

  919.             self.ui.act_canvas_show_external.setChecked(True)

  920.             self.ui.act_canvas_show_external.setVisible(False)

  921.             self.fExternalPatchbay = True

  922. 

  923.         self.ui.act_canvas_show_internal.blockSignals(False)

  924.         self.ui.act_canvas_show_external.blockSignals(False)

  925. 

  926.         if not (self.host.isControl or self.host.isPlugin):

  927.             canSave = (self.fProjectFilename and os.path.exists(self.fProjectFilename)) or not self.fSessionManagerName

  928.             self.ui.act_file_save.setEnabled(canSave)

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

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

  931. 

  932.         if not self.host.isPlugin:

  933.             self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  934. 

  935.         if self.host.isPlugin or not self.fSessionManagerName:

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

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

  938. 

  939.         self.ui.cb_transport_jack.setChecked(transportMode == ENGINE_TRANSPORT_MODE_JACK)

  940.         self.ui.cb_transport_jack.setEnabled(driverName == "JACK" and processMode != ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS)

  941. 

  942.         if self.ui.cb_transport_link.isEnabled():

  943.             self.ui.cb_transport_link.setChecked(":link:" in self.host.transportExtra)

  944. 

  945.         self.updateBufferSize(bufferSize)

  946.         self.updateSampleRate(int(sampleRate))

  947.         self.refreshRuntimeInfo(0.0, 0)

  948.         self.startTimers()

  949. 

  950.         self.ui.text_logs.appendPlainText("======= Engine started ========")

  951.         self.ui.text_logs.appendPlainText("Carla engine started, details:")

  952.         self.ui.text_logs.appendPlainText("  Driver name:  %s" % driverName)

  953.         self.ui.text_logs.appendPlainText("  Sample rate:  %i" % int(sampleRate))

  954.         self.ui.text_logs.appendPlainText("  Process mode: %s" % processMode2Str(processMode))

  955. 

  956.     @pyqtSlot()

  957.     def slot_handleEngineStoppedCallback(self):

  958.         self.ui.text_logs.appendPlainText("======= Engine stopped ========")

  959. 

  960.         patchcanvas.clear()

  961.         self.killTimers()

  962. 

  963.         # just in case

  964.         self.removeAllPlugins()

  965.         self.refreshRuntimeInfo(0.0, 0)

  966. 

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

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

  969.         self.ui.w_transport.setEnabled(False)

  970. 

  971.         if not (self.host.isControl or self.host.isPlugin):

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

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

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

  975. 

  976.         if self.host.isPlugin or not self.fSessionManagerName:

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

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

  979. 

  980.     @pyqtSlot(int, str)

  981.     def slot_handleTransportModeChangedCallback(self, transportMode, transportExtra):

  982.         self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  983. 

  984.         self.ui.cb_transport_jack.setChecked(transportMode == ENGINE_TRANSPORT_MODE_JACK)

  985.         self.ui.cb_transport_link.setChecked(":link:" in transportExtra)

  986. 

  987.     @pyqtSlot(int)

  988.     def slot_handleBufferSizeChangedCallback(self, newBufferSize):

  989.         self.updateBufferSize(newBufferSize)

  990. 

  991.     @pyqtSlot(float)

  992.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  993.         self.updateSampleRate(int(newSampleRate))

  994. 

  995.     @pyqtSlot(int, bool, str)

  996.     def slot_handleCancelableActionCallback(self, pluginId, started, action):

  997.         if self.fCancelableActionBox is not None:

  998.             self.fCancelableActionBox.close()

  999. 

  1000.         if started:

  1001.             self.fCancelableActionBox = QMessageBox(self)

  1002.             self.fCancelableActionBox.setIcon(QMessageBox.Critical)

  1003.             self.fCancelableActionBox.setWindowTitle(self.tr("Action in progress"))

  1004.             self.fCancelableActionBox.setText(action)

  1005.             self.fCancelableActionBox.setInformativeText(self.tr("An action is in progress, please wait..."))

  1006.             self.fCancelableActionBox.setStandardButtons(QMessageBox.Cancel)

  1007.             self.fCancelableActionBox.setDefaultButton(QMessageBox.Cancel)

  1008.             self.fCancelableActionBox.buttonClicked.connect(self.slot_canlableActionBoxClicked)

  1009.             self.fCancelableActionBox.show()

  1010. 

  1011.         else:

  1012.             self.fCancelableActionBox = None

  1013. 

  1014.     @pyqtSlot()

  1015.     def slot_canlableActionBoxClicked(self):

  1016.         self.host.cancel_engine_action()

  1017. 

  1018.     @pyqtSlot()

  1019.     def slot_handleProjectLoadFinishedCallback(self):

  1020.         self.fIsProjectLoading = False

  1021.         self.projectLoadingFinished()

  1022. 

  1023.     # --------------------------------------------------------------------------------------------------------

  1024.     # Plugins

  1025. 

  1026.     def removeAllPlugins(self):

  1027.         self.ui.act_plugin_remove_all.setEnabled(False)

  1028.         patchcanvas.handleAllPluginsRemoved()

  1029. 

  1030.         while self.ui.listWidget.takeItem(0):

  1031.             pass

  1032. 

  1033.         self.clearSideStuff()

  1034. 

  1035.         for pitem in self.fPluginList:

  1036.             if pitem is None:

  1037.                 continue

  1038. 

  1039.             pitem.close()

  1040.             del pitem

  1041. 

  1042.         self.fPluginCount = 0

  1043.         self.fPluginList  = []

  1044. 

  1045.     # --------------------------------------------------------------------------------------------------------

  1046.     # Plugins (menu actions)

  1047. 

  1048.     def showAddPluginDialog(self):

  1049.         dialog = PluginDatabaseW(self.fParentOrSelf, self.host)

  1050. 

  1051.         if not dialog.exec_():

  1052.             return

  1053. 

  1054.         if not self.host.is_engine_running():

  1055.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1056.             return

  1057. 

  1058.         btype    = dialog.fRetPlugin['build']

  1059.         ptype    = dialog.fRetPlugin['type']

  1060.         filename = dialog.fRetPlugin['filename']

  1061.         label    = dialog.fRetPlugin['label']

  1062.         uniqueId = dialog.fRetPlugin['uniqueId']

  1063.         extraPtr = self.getExtraPtr(dialog.fRetPlugin)

  1064. 

  1065.         return (btype, ptype, filename, label, uniqueId, extraPtr)

  1066. 

  1067.     def showAddJackAppDialog(self):

  1068.         dialog = JackApplicationW(self.fParentOrSelf, self.host)

  1069. 

  1070.         if not dialog.exec_():

  1071.             return

  1072. 

  1073.         if not self.host.is_engine_running():

  1074.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1075.             return

  1076. 

  1077.         return dialog.getCommandAndFlags()

  1078. 

  1079.     @pyqtSlot()

  1080.     def showPluginActionsMenu(self):

  1081.         menu = QMenu(self)

  1082. 

  1083.         menu.addSection("Plugins")

  1084.         menu.addAction(self.ui.act_plugin_add)

  1085.         menu.addAction(self.ui.act_plugin_remove_all)

  1086. 

  1087.         menu.addSection("All plugins (macros)")

  1088.         menu.addAction(self.ui.act_plugins_enable)

  1089.         menu.addAction(self.ui.act_plugins_disable)

  1090.         menu.addSeparator()

  1091.         menu.addAction(self.ui.act_plugins_volume100)

  1092.         menu.addAction(self.ui.act_plugins_mute)

  1093.         menu.addSeparator()

  1094.         menu.addAction(self.ui.act_plugins_wet100)

  1095.         menu.addAction(self.ui.act_plugins_bypass)

  1096.         menu.addSeparator()

  1097.         menu.addAction(self.ui.act_plugins_center)

  1098.         menu.addSeparator()

  1099.         menu.addAction(self.ui.act_plugins_compact)

  1100.         menu.addAction(self.ui.act_plugins_expand)

  1101. 

  1102.         menu.exec_(QCursor.pos())

  1103. 

  1104.     @pyqtSlot()

  1105.     def slot_pluginAdd(self):

  1106.         data = self.showAddPluginDialog()

  1107. 

  1108.         if data is None:

  1109.             return

  1110. 

  1111.         btype, ptype, filename, label, uniqueId, extraPtr = data

  1112. 

  1113.         if not self.host.add_plugin(btype, ptype, filename, None, label, uniqueId, extraPtr, 0x0):

  1114.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"), self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1115. 

  1116.     @pyqtSlot()

  1117.     def slot_confirmRemoveAll(self):

  1118.         if self.fPluginCount == 0:

  1119.             return

  1120. 

  1121.         if QMessageBox.question(self, self.tr("Remove All"),

  1122.                                       self.tr("Are you sure you want to remove all plugins?"),

  1123.                                       QMessageBox.Yes|QMessageBox.No) == QMessageBox.No:

  1124.             return

  1125. 

  1126.         self.pluginRemoveAll()

  1127. 

  1128.     def pluginRemoveAll(self):

  1129.         if self.fPluginCount == 0:

  1130.             return

  1131. 

  1132.         self.fCurrentlyRemovingAllPlugins = True

  1133.         self.projectLoadingStarted()

  1134. 

  1135.         if not self.host.remove_all_plugins():

  1136.             self.projectLoadingFinished()

  1137.             self.fCurrentlyRemovingAllPlugins = False

  1138.             CustomMessageBox(self, QMessageBox.Warning, self.tr("Error"), self.tr("Operation failed"),

  1139.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1140. 

  1141.     @pyqtSlot()

  1142.     def slot_jackAppAdd(self):

  1143.         data = self.showAddJackAppDialog()

  1144. 

  1145.         if data is None:

  1146.             return

  1147. 

  1148.         filename, name, label = data

  1149. 

  1150.         if not filename:

  1151.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Cannot add jack application"),

  1152.                                    self.tr("command is empty"), QMessageBox.Ok, QMessageBox.Ok)

  1153.             return

  1154. 

  1155.         if not self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, filename, name, label, 0, None, 0x0):

  1156.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1157.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1158. 

  1159.     # --------------------------------------------------------------------------------------------------------

  1160.     # Plugins (macros)

  1161. 

  1162.     @pyqtSlot()

  1163.     def slot_pluginsEnable(self):

  1164.         if not self.host.is_engine_running():

  1165.             return

  1166. 

  1167.         for pitem in self.fPluginList:

  1168.             if pitem is None:

  1169.                 break

  1170. 

  1171.             pitem.getWidget().setActive(True, True, True)

  1172. 

  1173.     @pyqtSlot()

  1174.     def slot_pluginsDisable(self):

  1175.         if not self.host.is_engine_running():

  1176.             return

  1177. 

  1178.         for pitem in self.fPluginList:

  1179.             if pitem is None:

  1180.                 break

  1181. 

  1182.             pitem.getWidget().setActive(False, True, True)

  1183. 

  1184.     @pyqtSlot()

  1185.     def slot_pluginsVolume100(self):

  1186.         if not self.host.is_engine_running():

  1187.             return

  1188. 

  1189.         for pitem in self.fPluginList:

  1190.             if pitem is None:

  1191.                 break

  1192. 

  1193.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 1.0)

  1194. 

  1195.     @pyqtSlot()

  1196.     def slot_pluginsMute(self):

  1197.         if not self.host.is_engine_running():

  1198.             return

  1199. 

  1200.         for pitem in self.fPluginList:

  1201.             if pitem is None:

  1202.                 break

  1203. 

  1204.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 0.0)

  1205. 

  1206.     @pyqtSlot()

  1207.     def slot_pluginsWet100(self):

  1208.         if not self.host.is_engine_running():

  1209.             return

  1210. 

  1211.         for pitem in self.fPluginList:

  1212.             if pitem is None:

  1213.                 break

  1214. 

  1215.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 1.0)

  1216. 

  1217.     @pyqtSlot()

  1218.     def slot_pluginsBypass(self):

  1219.         if not self.host.is_engine_running():

  1220.             return

  1221. 

  1222.         for pitem in self.fPluginList:

  1223.             if pitem is None:

  1224.                 break

  1225. 

  1226.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 0.0)

  1227. 

  1228.     @pyqtSlot()

  1229.     def slot_pluginsCenter(self):

  1230.         if not self.host.is_engine_running():

  1231.             return

  1232. 

  1233.         for pitem in self.fPluginList:

  1234.             if pitem is None:

  1235.                 break

  1236. 

  1237.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1238.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1239.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1240. 

  1241.     @pyqtSlot()

  1242.     def slot_pluginsCompact(self):

  1243.         for pitem in self.fPluginList:

  1244.             if pitem is None:

  1245.                 break

  1246.             pitem.compact()

  1247. 

  1248.     @pyqtSlot()

  1249.     def slot_pluginsExpand(self):

  1250.         for pitem in self.fPluginList:

  1251.             if pitem is None:

  1252.                 break

  1253.             pitem.expand()

  1254. 

  1255.     # --------------------------------------------------------------------------------------------------------

  1256.     # Plugins (host callbacks)

  1257. 

  1258.     @pyqtSlot(int, str)

  1259.     def slot_handlePluginAddedCallback(self, pluginId, pluginName):

  1260.         if pluginId != self.fPluginCount:

  1261.             print("ERROR: pluginAdded mismatch Id:", pluginId, self.fPluginCount)

  1262.             pitem = self.getPluginItem(pluginId)

  1263.             pitem.recreateWidget()

  1264.             return

  1265. 

  1266.         pitem = self.ui.listWidget.createItem(pluginId)

  1267.         self.fPluginList.append(pitem)

  1268.         self.fPluginCount += 1

  1269. 

  1270.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1271. 

  1272.     @pyqtSlot(int)

  1273.     def slot_handlePluginRemovedCallback(self, pluginId):

  1274.         patchcanvas.handlePluginRemoved(pluginId)

  1275. 

  1276.         if pluginId in self.fSelectedPlugins:

  1277.             self.clearSideStuff()

  1278. 

  1279.         if self.fPluginCount == 0:

  1280.             return

  1281. 

  1282.         pitem = self.getPluginItem(pluginId)

  1283. 

  1284.         self.fPluginCount -= 1

  1285.         self.fPluginList.pop(pluginId)

  1286.         self.ui.listWidget.takeItem(pluginId)

  1287. 

  1288.         if pitem is not None:

  1289.             pitem.close()

  1290.             del pitem

  1291. 

  1292.         if self.fPluginCount == 0:

  1293.             self.ui.act_plugin_remove_all.setEnabled(False)

  1294.             if self.fCurrentlyRemovingAllPlugins:

  1295.                 self.fCurrentlyRemovingAllPlugins = False

  1296.                 self.projectLoadingFinished()

  1297.             return

  1298. 

  1299.         # push all plugins 1 slot back

  1300.         for i in range(pluginId, self.fPluginCount):

  1301.             pitem = self.fPluginList[i]

  1302.             pitem.setPluginId(i)

  1303. 

  1304.         self.ui.act_plugin_remove_all.setEnabled(True)

  1305. 

  1306.     # --------------------------------------------------------------------------------------------------------

  1307.     # Canvas

  1308. 

  1309.     def clearSideStuff(self):

  1310.         if self.fWithCanvas:

  1311.             self.scene.clearSelection()

  1312. 

  1313.         self.fSelectedPlugins = []

  1314. 

  1315.         self.ui.keyboard.allNotesOff(False)

  1316.         self.ui.scrollArea.setEnabled(False)

  1317. 

  1318.         self.fPeaksCleared = True

  1319.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1320.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1321.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1322.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1323. 

  1324.     def setupCanvas(self):

  1325.         pOptions = patchcanvas.options_t()

  1326.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1327.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1328.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1329.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1330.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1331.         pOptions.inline_displays   = self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS]

  1332. 

  1333.         if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY]:

  1334.             pOptions.eyecandy = patchcanvas.EYECANDY_FULL

  1335.         elif self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]:

  1336.             pOptions.eyecandy = patchcanvas.EYECANDY_SMALL

  1337.         else:

  1338.             pOptions.eyecandy = patchcanvas.EYECANDY_NONE

  1339. 

  1340.         pFeatures = patchcanvas.features_t()

  1341.         pFeatures.group_info   = False

  1342.         pFeatures.group_rename = False

  1343.         pFeatures.port_info    = False

  1344.         pFeatures.port_rename  = False

  1345.         pFeatures.handle_group_pos = True

  1346. 

  1347.         patchcanvas.setOptions(pOptions)

  1348.         patchcanvas.setFeatures(pFeatures)

  1349.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1350. 

  1351.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1352. 

  1353.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1354.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1355.             self.fCanvasHeight = int(tryCanvasSize[1])

  1356.         else:

  1357.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1358.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1359. 

  1360.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1361.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1362.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1363. 

  1364.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1365.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1366. 

  1367.         if self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] != patchcanvas.ANTIALIASING_NONE:

  1368.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, True)

  1369. 

  1370.             fullAA = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] == patchcanvas.ANTIALIASING_FULL

  1371.             self.ui.graphicsView.setRenderHint(QPainter.SmoothPixmapTransform, fullAA)

  1372.             self.ui.graphicsView.setRenderHint(QPainter.TextAntialiasing, fullAA)

  1373. 

  1374.             if self.fSavedSettings[CARLA_KEY_CANVAS_USE_OPENGL] and hasGL:

  1375.                 self.ui.graphicsView.setRenderHint(QPainter.HighQualityAntialiasing, self.fSavedSettings[CARLA_KEY_CANVAS_HQ_ANTIALIASING])

  1376. 

  1377.         else:

  1378.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, False)

  1379. 

  1380.         if self.fSavedSettings[CARLA_KEY_CANVAS_FULL_REPAINTS]:

  1381.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.FullViewportUpdate)

  1382.         else:

  1383.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.MinimalViewportUpdate)

  1384. 

  1385.     def updateCanvasInitialPos(self):

  1386.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1387.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1388.         patchcanvas.setInitialPos(x, y)

  1389. 

  1390.     def updateMiniCanvasLater(self):

  1391.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1392. 

  1393.     # --------------------------------------------------------------------------------------------------------

  1394.     # Canvas (menu actions)

  1395. 

  1396.     @pyqtSlot()

  1397.     def slot_canvasShowInternal(self):

  1398.         self.fExternalPatchbay = False

  1399.         self.ui.act_canvas_show_internal.blockSignals(True)

  1400.         self.ui.act_canvas_show_external.blockSignals(True)

  1401.         self.ui.act_canvas_show_internal.setChecked(True)

  1402.         self.ui.act_canvas_show_external.setChecked(False)

  1403.         self.ui.act_canvas_show_internal.blockSignals(False)

  1404.         self.ui.act_canvas_show_external.blockSignals(False)

  1405.         self.slot_canvasRefresh()

  1406. 

  1407.     @pyqtSlot()

  1408.     def slot_canvasShowExternal(self):

  1409.         self.fExternalPatchbay = True

  1410.         self.ui.act_canvas_show_internal.blockSignals(True)

  1411.         self.ui.act_canvas_show_external.blockSignals(True)

  1412.         self.ui.act_canvas_show_internal.setChecked(False)

  1413.         self.ui.act_canvas_show_external.setChecked(True)

  1414.         self.ui.act_canvas_show_internal.blockSignals(False)

  1415.         self.ui.act_canvas_show_external.blockSignals(False)

  1416.         self.slot_canvasRefresh()

  1417. 

  1418.     @pyqtSlot()

  1419.     def slot_canvasArrange(self):

  1420.         patchcanvas.arrange()

  1421. 

  1422.     @pyqtSlot()

  1423.     def slot_canvasRefresh(self):

  1424.         patchcanvas.clear()

  1425. 

  1426.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1427.             return

  1428. 

  1429.         if self.host.is_engine_running():

  1430.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1431. 

  1432.         self.updateMiniCanvasLater()

  1433. 

  1434.     @pyqtSlot()

  1435.     def slot_canvasZoomFit(self):

  1436.         self.scene.zoom_fit()

  1437. 

  1438.     @pyqtSlot()

  1439.     def slot_canvasZoomIn(self):

  1440.         self.scene.zoom_in()

  1441. 

  1442.     @pyqtSlot()

  1443.     def slot_canvasZoomOut(self):

  1444.         self.scene.zoom_out()

  1445. 

  1446.     @pyqtSlot()

  1447.     def slot_canvasZoomReset(self):

  1448.         self.scene.zoom_reset()

  1449. 

  1450.     @pyqtSlot()

  1451.     def slot_canvasSaveImage(self):

  1452.         newPath, ok = QFileDialog.getSaveFileName(self, self.tr("Save Image"), filter=self.tr("PNG Image (*.png);;JPEG Image (*.jpg)"))

  1453. 

  1454.         # FIXME use ok value, test if it works as expected

  1455.         if not newPath:

  1456.             return

  1457. 

  1458.         self.scene.clearSelection()

  1459. 

  1460.         if newPath.lower().endswith((".jpg", ".jpeg")):

  1461.             imgFormat = "JPG"

  1462.         elif newPath.lower().endswith((".png",)):

  1463.             imgFormat = "PNG"

  1464.         else:

  1465.             # File-dialog may not auto-add the extension

  1466.             imgFormat = "PNG"

  1467.             newPath  += ".png"

  1468. 

  1469.         self.fExportImage = QImage(self.scene.sceneRect().width(), self.scene.sceneRect().height(), QImage.Format_RGB32)

  1470.         painter = QPainter(self.fExportImage)

  1471.         painter.save()

  1472.         painter.setRenderHint(QPainter.Antialiasing) # TODO - set true, cleanup this

  1473.         painter.setRenderHint(QPainter.TextAntialiasing)

  1474.         self.scene.render(painter)

  1475.         self.fExportImage.save(newPath, imgFormat, 100)

  1476.         painter.restore()

  1477. 

  1478.     # --------------------------------------------------------------------------------------------------------

  1479.     # Canvas (canvas callbacks)

  1480. 

  1481.     @pyqtSlot(int, int, QPointF)

  1482.     def slot_canvasItemMoved(self, group_id, split_mode, pos):

  1483.         self.updateMiniCanvasLater()

  1484. 

  1485.     @pyqtSlot()

  1486.     def slot_canvasSelectionChanged(self):

  1487.         self.updateMiniCanvasLater()

  1488. 

  1489.     @pyqtSlot(float)

  1490.     def slot_canvasScaleChanged(self, scale):

  1491.         self.ui.miniCanvasPreview.setViewScale(scale)

  1492. 

  1493.     @pyqtSlot(list)

  1494.     def slot_canvasPluginSelected(self, pluginList):

  1495.         self.ui.keyboard.allNotesOff(False)

  1496.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1497.         self.fSelectedPlugins = pluginList

  1498. 

  1499.     # --------------------------------------------------------------------------------------------------------

  1500.     # Canvas (host callbacks)

  1501. 

  1502.     @pyqtSlot(int, int, int, str)

  1503.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1504.         pcSplit = patchcanvas.SPLIT_UNDEF

  1505.         pcIcon  = patchcanvas.ICON_APPLICATION

  1506. 

  1507.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1508.             pcIcon = patchcanvas.ICON_PLUGIN

  1509.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1510.             pcIcon = patchcanvas.ICON_HARDWARE

  1511.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1512.             pass

  1513.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1514.             pcIcon = patchcanvas.ICON_DISTRHO

  1515.         elif clientIcon == PATCHBAY_ICON_FILE:

  1516.             pcIcon = patchcanvas.ICON_FILE

  1517. 

  1518.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1519. 

  1520.         self.updateMiniCanvasLater()

  1521. 

  1522.         if pluginId < 0:

  1523.             return

  1524.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1525.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1526.             return

  1527. 

  1528.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1529.             hasCustomUI = False

  1530.             hasInlineDisplay = False

  1531.         else:

  1532.             hints = self.host.get_plugin_info(pluginId)['hints']

  1533.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1534.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1535. 

  1536.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1537. 

  1538.     @pyqtSlot(int)

  1539.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1540.         patchcanvas.removeGroup(clientId)

  1541.         self.updateMiniCanvasLater()

  1542. 

  1543.     @pyqtSlot(int, str)

  1544.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1545.         patchcanvas.renameGroup(clientId, newClientName)

  1546.         self.updateMiniCanvasLater()

  1547. 

  1548.     @pyqtSlot(int, int, int)

  1549.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1550.         pcIcon = patchcanvas.ICON_APPLICATION

  1551. 

  1552.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1553.             pcIcon = patchcanvas.ICON_PLUGIN

  1554.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1555.             pcIcon = patchcanvas.ICON_HARDWARE

  1556.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1557.             pass

  1558.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1559.             pcIcon = patchcanvas.ICON_DISTRHO

  1560.         elif clientIcon == PATCHBAY_ICON_FILE:

  1561.             pcIcon = patchcanvas.ICON_FILE

  1562. 

  1563.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1564.         self.updateMiniCanvasLater()

  1565. 

  1566.         if pluginId < 0:

  1567.             return

  1568.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1569.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1570.             return

  1571. 

  1572.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1573.             hasCustomUI = False

  1574.             hasInlineDisplay = False

  1575.         else:

  1576.             hints = self.host.get_plugin_info(pluginId)['hints']

  1577.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1578.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1579. 

  1580.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1581. 

  1582.     @pyqtSlot(int, int, int, str)

  1583.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portName):

  1584.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1585.             portMode = patchcanvas.PORT_MODE_INPUT

  1586.         else:

  1587.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1588. 

  1589.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1590.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1591.             isAlternate = False

  1592.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1593.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1594.             isAlternate = True

  1595.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1596.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1597.             isAlternate = False

  1598.         else:

  1599.             portType    = patchcanvas.PORT_TYPE_NULL

  1600.             isAlternate = False

  1601. 

  1602.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1603.         self.updateMiniCanvasLater()

  1604. 

  1605.     @pyqtSlot(int, int)

  1606.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  1607.         patchcanvas.removePort(groupId, portId)

  1608.         self.updateMiniCanvasLater()

  1609. 

  1610.     @pyqtSlot(int, int, str)

  1611.     def slot_handlePatchbayPortRenamedCallback(self, groupId, portId, newPortName):

  1612.         patchcanvas.renamePort(groupId, portId, newPortName)

  1613.         self.updateMiniCanvasLater()

  1614. 

  1615.     @pyqtSlot(int, int, int, int, int)

  1616.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1617.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1618.         self.updateMiniCanvasLater()

  1619. 

  1620.     @pyqtSlot(int, int, int)

  1621.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1622.         patchcanvas.disconnectPorts(connectionId)

  1623.         self.updateMiniCanvasLater()

  1624. 

  1625.     # --------------------------------------------------------------------------------------------------------

  1626.     # Settings

  1627. 

  1628.     def saveSettings(self):

  1629.         settings = QSettings()

  1630. 

  1631.         settings.setValue("Geometry", self.saveGeometry())

  1632.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  1633. 

  1634.         if not self.host.isControl:

  1635.             settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  1636. 

  1637.         diskFolders = []

  1638. 

  1639.         for i in range(self.ui.cb_disk.count()):

  1640.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1641. 

  1642.         settings.setValue("DiskFolders", diskFolders)

  1643.         settings.setValue("LastBPM", self.fLastTransportBPM)

  1644. 

  1645.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1646.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1647.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1648.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1649. 

  1650.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_MODE,  self.host.transportMode)

  1651.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, self.host.transportExtra)

  1652. 

  1653.         return settings

  1654. 

  1655.     def loadSettings(self, firstTime):

  1656.         settings = QSettings()

  1657. 

  1658.         if firstTime:

  1659.             self.restoreGeometry(settings.value("Geometry", b""))

  1660. 

  1661.             showToolbar = settings.value("ShowToolbar", True, type=bool)

  1662.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1663.             self.ui.toolBar.setEnabled(showToolbar)

  1664.             self.ui.toolBar.setVisible(showToolbar)

  1665. 

  1666.             #if settings.contains("SplitterState"):

  1667.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  1668.             #else:

  1669.                 #self.ui.splitter.setSizes([210, 99999])

  1670. 

  1671.             showSidePanel = settings.value("ShowSidePanel", True, type=bool) and not self.host.isControl

  1672.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  1673.             self.slot_showSidePanel(showSidePanel)

  1674. 

  1675.             diskFolders = toList(settings.value("DiskFolders", [HOME]))

  1676. 

  1677.             self.ui.cb_disk.setItemData(0, HOME)

  1678. 

  1679.             for i in range(len(diskFolders)):

  1680.                 if i == 0: continue

  1681.                 folder = diskFolders[i]

  1682.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1683. 

  1684.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, type=bool):

  1685.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1686. 

  1687.             showMeters = settings.value("ShowMeters", True, type=bool)

  1688.             self.ui.act_settings_show_meters.setChecked(showMeters)

  1689.             self.ui.peak_in.setVisible(showMeters)

  1690.             self.ui.peak_out.setVisible(showMeters)

  1691. 

  1692.             showKeyboard = settings.value("ShowKeyboard", True, type=bool)

  1693.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  1694.             self.ui.scrollArea.setVisible(showKeyboard)

  1695. 

  1696.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  1697. 

  1698.         # TODO - complete this

  1699. 

  1700.         self.fSavedSettings = {

  1701.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      type=str),

  1702.             CARLA_KEY_MAIN_CONFIRM_EXIT:        settings.value(CARLA_KEY_MAIN_CONFIRM_EXIT,        CARLA_DEFAULT_MAIN_CONFIRM_EXIT,        type=bool),

  1703.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    type=int),

  1704.             CARLA_KEY_MAIN_EXPERIMENTAL:        settings.value(CARLA_KEY_MAIN_EXPERIMENTAL,        CARLA_DEFAULT_MAIN_EXPERIMENTAL,        type=bool),

  1705.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             type=str),

  1706.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              type=str),

  1707.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  type=bool),

  1708.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, type=bool),

  1709.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  type=bool),

  1710.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         type=bool),

  1711.             CARLA_KEY_CANVAS_FANCY_EYE_CANDY:   settings.value(CARLA_KEY_CANVAS_FANCY_EYE_CANDY,   CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY,   type=bool),

  1712.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        type=bool),

  1713.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      type=int),

  1714.             CARLA_KEY_CANVAS_HQ_ANTIALIASING:   settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   type=bool),

  1715.             CARLA_KEY_CANVAS_FULL_REPAINTS:     settings.value(CARLA_KEY_CANVAS_FULL_REPAINTS,     CARLA_DEFAULT_CANVAS_FULL_REPAINTS,     type=bool),

  1716.             CARLA_KEY_CANVAS_INLINE_DISPLAYS:   settings.value(CARLA_KEY_CANVAS_INLINE_DISPLAYS,   CARLA_DEFAULT_CANVAS_INLINE_DISPLAYS,   type=bool),

  1717.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   type=bool) and

  1718.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", type=str).lower() == "black"),

  1719.         }

  1720. 

  1721.         settings2 = QSettings("falkTX", "Carla2")

  1722. 

  1723.         if self.host.experimental:

  1724.             visible = settings2.value(CARLA_KEY_EXPERIMENTAL_JACK_APPS, CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS, type=bool)

  1725.             self.ui.act_add_jack.setVisible(visible)

  1726.             self.ui.act_plugin_add_jack.setVisible(visible)

  1727.         else:

  1728.             self.ui.act_add_jack.setVisible(False)

  1729.             self.ui.act_plugin_add_jack.setVisible(False)

  1730. 

  1731.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY] else 0

  1732. 

  1733.         setEngineSettings(self.host)

  1734.         self.restartTimersIfNeeded()

  1735. 

  1736.         return settings

  1737. 

  1738.     # --------------------------------------------------------------------------------------------------------

  1739.     # Settings (helpers)

  1740. 

  1741.     def enableTransport(self, enabled):

  1742.         self.ui.group_transport_controls.setEnabled(enabled)

  1743.         self.ui.group_transport_settings.setEnabled(enabled)

  1744. 

  1745.     @pyqtSlot()

  1746.     def slot_restoreCanvasScrollbarValues(self):

  1747.         settings = QSettings()

  1748.         self.ui.graphicsView.horizontalScrollBar().setValue(settings.value("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().maximum()/2, type=int))

  1749.         self.ui.graphicsView.verticalScrollBar().setValue(settings.value("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().maximum()/2, type=int))

  1750. 

  1751.     # --------------------------------------------------------------------------------------------------------

  1752.     # Settings (menu actions)

  1753. 

  1754.     @pyqtSlot(bool)

  1755.     def slot_showSidePanel(self, yesNo):

  1756.         self.ui.dockWidget.setEnabled(yesNo)

  1757.         self.ui.dockWidget.setVisible(yesNo)

  1758. 

  1759.     @pyqtSlot(bool)

  1760.     def slot_showToolbar(self, yesNo):

  1761.         self.ui.toolBar.setEnabled(yesNo)

  1762.         self.ui.toolBar.setVisible(yesNo)

  1763. 

  1764.     @pyqtSlot(bool)

  1765.     def slot_showCanvasMeters(self, yesNo):

  1766.         self.ui.peak_in.setVisible(yesNo)

  1767.         self.ui.peak_out.setVisible(yesNo)

  1768.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1769. 

  1770.     @pyqtSlot(bool)

  1771.     def slot_showCanvasKeyboard(self, yesNo):

  1772.         self.ui.scrollArea.setVisible(yesNo)

  1773.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1774. 

  1775.     @pyqtSlot()

  1776.     def slot_configureCarla(self):

  1777.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  1778.         if not dialog.exec_():

  1779.             return

  1780. 

  1781.         self.loadSettings(False)

  1782. 

  1783.         patchcanvas.clear()

  1784. 

  1785.         self.setupCanvas()

  1786.         self.slot_miniCanvasCheckAll()

  1787. 

  1788.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1789.             pass

  1790.         elif self.host.is_engine_running():

  1791.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1792. 

  1793.     # --------------------------------------------------------------------------------------------------------

  1794.     # About (menu actions)

  1795. 

  1796.     @pyqtSlot()

  1797.     def slot_aboutCarla(self):

  1798.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  1799. 

  1800.     @pyqtSlot()

  1801.     def slot_aboutJuce(self):

  1802.         JuceAboutW(self.fParentOrSelf).exec_()

  1803. 

  1804.     @pyqtSlot()

  1805.     def slot_aboutQt(self):

  1806.         QApplication.instance().aboutQt()

  1807. 

  1808.     # --------------------------------------------------------------------------------------------------------

  1809.     # Disk (menu actions)

  1810. 

  1811.     @pyqtSlot(int)

  1812.     def slot_diskFolderChanged(self, index):

  1813.         if index < 0:

  1814.             return

  1815.         elif index == 0:

  1816.             filename = HOME

  1817.             self.ui.b_disk_remove.setEnabled(False)

  1818.         else:

  1819.             filename = self.ui.cb_disk.itemData(index)

  1820.             self.ui.b_disk_remove.setEnabled(True)

  1821. 

  1822.         self.fDirModel.setRootPath(filename)

  1823.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  1824. 

  1825.     @pyqtSlot()

  1826.     def slot_diskFolderAdd(self):

  1827.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  1828. 

  1829.         if newPath:

  1830.             if newPath[-1] == os.sep:

  1831.                 newPath = newPath[:-1]

  1832.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  1833.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  1834.             self.ui.b_disk_remove.setEnabled(True)

  1835. 

  1836.     @pyqtSlot()

  1837.     def slot_diskFolderRemove(self):

  1838.         index = self.ui.cb_disk.currentIndex()

  1839. 

  1840.         if index <= 0:

  1841.             return

  1842. 

  1843.         self.ui.cb_disk.removeItem(index)

  1844. 

  1845.         if self.ui.cb_disk.currentIndex() == 0:

  1846.             self.ui.b_disk_remove.setEnabled(False)

  1847. 

  1848.     @pyqtSlot(QModelIndex)

  1849.     def slot_fileTreeDoubleClicked(self, modelIndex):

  1850.         filename = self.fDirModel.filePath(modelIndex)

  1851. 

  1852.         if not self.ui.listWidget.isDragUrlValid(filename):

  1853.             return

  1854. 

  1855.         if not self.host.load_file(filename):

  1856.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  1857.                              self.tr("Failed to load file"),

  1858.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1859. 

  1860.     # --------------------------------------------------------------------------------------------------------

  1861.     # Transport

  1862. 

  1863.     def refreshTransport(self, forced = False):

  1864.         if not self.ui.l_transport_time.isVisible():

  1865.             return

  1866.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  1867.             return

  1868. 

  1869.         timeInfo = self.host.get_transport_info()

  1870.         playing  = timeInfo['playing']

  1871.         frame    = timeInfo['frame']

  1872.         bpm      = timeInfo['bpm']

  1873. 

  1874.         if playing != self.fLastTransportState or forced:

  1875.             if playing:

  1876.                 icon = QIcon(":/16x16/media-playback-pause.svgz")

  1877.                 self.ui.b_transport_play.setChecked(True)

  1878.                 self.ui.b_transport_play.setIcon(icon)

  1879.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  1880.             else:

  1881.                 icon = QIcon(":/16x16/media-playback-start.svgz")

  1882.                 self.ui.b_transport_play.setChecked(False)

  1883.                 self.ui.b_transport_play.setIcon(icon)

  1884.                 #self.ui.b_play.setText(self.tr("&Play"))

  1885. 

  1886.             self.fLastTransportState = playing

  1887. 

  1888.         if frame != self.fLastTransportFrame or forced:

  1889.             self.fLastTransportFrame = frame

  1890. 

  1891.             time = frame / self.fSampleRate

  1892.             secs =  time % 60

  1893.             mins = (time / 60) % 60

  1894.             hrs  = (time / 3600) % 60

  1895.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  1896. 

  1897.             frame1 =  frame % 1000

  1898.             frame2 = (frame / 1000) % 1000

  1899.             frame3 = (frame / 1000000) % 1000

  1900.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  1901. 

  1902.             bar  = timeInfo['bar']

  1903.             beat = timeInfo['beat']

  1904.             tick = timeInfo['tick']

  1905.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  1906. 

  1907.         if bpm != self.fLastTransportBPM or forced:

  1908.             self.fLastTransportBPM = bpm

  1909. 

  1910.             if bpm > 0.0:

  1911.                 self.ui.dsb_transport_bpm.blockSignals(True)

  1912.                 self.ui.dsb_transport_bpm.setValue(bpm)

  1913.                 self.ui.dsb_transport_bpm.blockSignals(False)

  1914.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  1915.             else:

  1916.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  1917. 

  1918.     # --------------------------------------------------------------------------------------------------------

  1919.     # Transport (menu actions)

  1920. 

  1921.     @pyqtSlot(bool)

  1922.     def slot_transportPlayPause(self, toggled):

  1923.         if self.host.isPlugin or not self.host.is_engine_running():

  1924.             return

  1925. 

  1926.         if toggled:

  1927.             self.host.transport_play()

  1928.         else:

  1929.             self.host.transport_pause()

  1930. 

  1931.         self.refreshTransport()

  1932. 

  1933.     @pyqtSlot()

  1934.     def slot_transportStop(self):

  1935.         if self.host.isPlugin or not self.host.is_engine_running():

  1936.             return

  1937. 

  1938.         self.host.transport_pause()

  1939.         self.host.transport_relocate(0)

  1940. 

  1941.         self.refreshTransport()

  1942. 

  1943.     @pyqtSlot()

  1944.     def slot_transportBackwards(self):

  1945.         if self.host.isPlugin or not self.host.is_engine_running():

  1946.             return

  1947. 

  1948.         newFrame = self.host.get_current_transport_frame() - 100000

  1949. 

  1950.         if newFrame < 0:

  1951.             newFrame = 0

  1952. 

  1953.         self.host.transport_relocate(newFrame)

  1954. 

  1955.     @pyqtSlot(float)

  1956.     def slot_transportBpmChanged(self, newValue):

  1957.         self.host.transport_bpm(newValue)

  1958. 

  1959.     @pyqtSlot()

  1960.     def slot_transportForwards(self):

  1961.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  1962.             return

  1963. 

  1964.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  1965.         self.host.transport_relocate(newFrame)

  1966. 

  1967.     @pyqtSlot(bool)

  1968.     def slot_transportJackEnabled(self, clicked):

  1969.         if not self.host.is_engine_running():

  1970.             return

  1971.         self.host.transportMode = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  1972.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  1973.                                     self.host.transportMode,

  1974.                                     self.host.transportExtra)

  1975. 

  1976.     @pyqtSlot(bool)

  1977.     def slot_transportLinkEnabled(self, clicked):

  1978.         if not self.host.is_engine_running():

  1979.             return

  1980.         extra = ":link:" if clicked else ""

  1981.         self.host.transportExtra = extra

  1982.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  1983.                                     self.host.transportMode,

  1984.                                     self.host.transportExtra)

  1985. 

  1986.     # --------------------------------------------------------------------------------------------------------

  1987.     # Other

  1988. 

  1989.     @pyqtSlot(bool)

  1990.     def slot_xrunClear(self):

  1991.         self.host.clear_engine_xruns()

  1992. 

  1993.     # --------------------------------------------------------------------------------------------------------

  1994.     # Canvas scrollbars

  1995. 

  1996.     @pyqtSlot(int)

  1997.     def slot_horizontalScrollBarChanged(self, value):

  1998.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  1999.         if maximum == 0:

  2000.             xp = 0

  2001.         else:

  2002.             xp = float(value) / maximum

  2003.         self.ui.miniCanvasPreview.setViewPosX(xp)

  2004.         self.updateCanvasInitialPos()

  2005. 

  2006.     @pyqtSlot(int)

  2007.     def slot_verticalScrollBarChanged(self, value):

  2008.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  2009.         if maximum == 0:

  2010.             yp = 0

  2011.         else:

  2012.             yp = float(value) / maximum

  2013.         self.ui.miniCanvasPreview.setViewPosY(yp)

  2014.         self.updateCanvasInitialPos()

  2015. 

  2016.     # --------------------------------------------------------------------------------------------------------

  2017.     # Canvas keyboard

  2018. 

  2019.     @pyqtSlot(int)

  2020.     def slot_noteOn(self, note):

  2021.         for pluginId in self.fSelectedPlugins:

  2022.             self.host.send_midi_note(pluginId, 0, note, 100)

  2023. 

  2024.             pedit = self.getPluginEditDialog(pluginId)

  2025.             pedit.noteOn(0, note, 100)

  2026. 

  2027.     @pyqtSlot(int)

  2028.     def slot_noteOff(self, note):

  2029.         for pluginId in self.fSelectedPlugins:

  2030.             self.host.send_midi_note(pluginId, 0, note, 0)

  2031. 

  2032.             pedit = self.getPluginEditDialog(pluginId)

  2033.             pedit.noteOff(0, note)

  2034. 

  2035.     # --------------------------------------------------------------------------------------------------------

  2036.     # Canvas keyboard (host callbacks)

  2037. 

  2038.     @pyqtSlot(int, int, int, int)

  2039.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  2040.         if pluginId in self.fSelectedPlugins:

  2041.             self.ui.keyboard.sendNoteOn(note, False)

  2042. 

  2043.     @pyqtSlot(int, int, int)

  2044.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  2045.         if pluginId in self.fSelectedPlugins:

  2046.             self.ui.keyboard.sendNoteOff(note, False)

  2047. 

  2048.     # --------------------------------------------------------------------------------------------------------

  2049. 

  2050.     @pyqtSlot(int)

  2051.     def slot_handleUpdateCallback(self, pluginId):

  2052.         pitem = self.getPluginItem(pluginId)

  2053. 

  2054.         if pitem is None:

  2055.             return

  2056. 

  2057.         wasCompacted = pitem.isCompacted()

  2058.         isCompacted  = wasCompacted

  2059. 

  2060.         check = self.host.get_custom_data_value(pluginId, CUSTOM_DATA_TYPE_PROPERTY, "CarlaSkinIsCompacted")

  2061.         if not check:

  2062.             return

  2063.         isCompacted = bool(check == "true")

  2064. 

  2065.         if wasCompacted == isCompacted:

  2066.             return

  2067. 

  2068.         pitem.recreateWidget(True)

  2069. 

  2070.     # --------------------------------------------------------------------------------------------------------

  2071.     # MiniCanvas stuff

  2072. 

  2073.     @pyqtSlot()

  2074.     def slot_miniCanvasCheckAll(self):

  2075.         self.slot_miniCanvasCheckSize()

  2076.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  2077.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  2078. 

  2079.     @pyqtSlot()

  2080.     def slot_miniCanvasCheckSize(self):

  2081.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  2082.             return

  2083. 

  2084.         currentIndex = self.ui.tabWidget.currentIndex()

  2085. 

  2086.         if currentIndex == 1:

  2087.             width  = self.ui.graphicsView.width()

  2088.             height = self.ui.graphicsView.height()

  2089.         else:

  2090.             self.ui.tabWidget.blockSignals(True)

  2091.             self.ui.tabWidget.setCurrentIndex(1)

  2092.             width  = self.ui.graphicsView.width()

  2093.             height = self.ui.graphicsView.height()

  2094.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  2095.             self.ui.tabWidget.blockSignals(False)

  2096. 

  2097.         self.scene.updateLimits()

  2098. 

  2099.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  2100. 

  2101.     @pyqtSlot(float, float)

  2102.     def slot_miniCanvasMoved(self, xp, yp):

  2103.         hsb = self.ui.graphicsView.horizontalScrollBar()

  2104.         vsb = self.ui.graphicsView.verticalScrollBar()

  2105.         hsb.setValue(xp * hsb.maximum())

  2106.         vsb.setValue(yp * vsb.maximum())

  2107.         self.updateCanvasInitialPos()

  2108. 

  2109.     # --------------------------------------------------------------------------------------------------------

  2110.     # Timers

  2111. 

  2112.     def startTimers(self):

  2113.         if self.fIdleTimerFast == 0:

  2114.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2115. 

  2116.         if self.fIdleTimerSlow == 0:

  2117.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2118. 

  2119.     def restartTimersIfNeeded(self):

  2120.         if self.fIdleTimerFast != 0:

  2121.             self.killTimer(self.fIdleTimerFast)

  2122.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2123. 

  2124.         if self.fIdleTimerSlow != 0:

  2125.             self.killTimer(self.fIdleTimerSlow)

  2126.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2127. 

  2128.     def killTimers(self):

  2129.         if self.fIdleTimerFast != 0:

  2130.             self.killTimer(self.fIdleTimerFast)

  2131.             self.fIdleTimerFast = 0

  2132. 

  2133.         if self.fIdleTimerSlow != 0:

  2134.             self.killTimer(self.fIdleTimerSlow)

  2135.             self.fIdleTimerSlow = 0

  2136. 

  2137.     # --------------------------------------------------------------------------------------------------------

  2138.     # Misc

  2139. 

  2140.     @pyqtSlot(int)

  2141.     def slot_tabChanged(self, index):

  2142.         if index != 1:

  2143.             return

  2144. 

  2145.         self.ui.graphicsView.setFocus()

  2146. 

  2147.     @pyqtSlot(int)

  2148.     def slot_handleReloadAllCallback(self, pluginId):

  2149.         if pluginId >= self.fPluginCount:

  2150.             return

  2151. 

  2152.         pitem = self.fPluginList[pluginId]

  2153.         if pitem is None:

  2154.             return

  2155. 

  2156.         pitem.recreateWidget()

  2157. 

  2158.     # --------------------------------------------------------------------------------------------------------

  2159. 

  2160.     @pyqtSlot(int, int, str)

  2161.     def slot_handleNSMCallback(self, opcode, valueInt, valueStr):

  2162.         if opcode == NSM_CALLBACK_INIT:

  2163.             return

  2164. 

  2165.         # Error

  2166.         elif opcode == NSM_CALLBACK_ERROR:

  2167.             pass

  2168. 

  2169.         # Reply

  2170.         elif opcode == NSM_CALLBACK_ANNOUNCE:

  2171.             self.fFirstEngineInit    = False

  2172.             self.fSessionManagerName = valueStr

  2173.             self.setProperWindowTitle()

  2174. 

  2175.         # Open

  2176.         elif opcode == NSM_CALLBACK_OPEN:

  2177.             self.fClientName      = os.path.basename(valueStr)

  2178.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  2179.             self.setProperWindowTitle()

  2180. 

  2181.             self.fCustomStopAction = self.CUSTOM_ACTION_PROJECT_LOAD

  2182.             self.slot_engineStop(True)

  2183.             return

  2184. 

  2185.         # Save

  2186.         elif opcode == NSM_CALLBACK_SAVE:

  2187.             self.saveProjectNow()

  2188. 

  2189.         # Session is Loaded

  2190.         elif opcode == NSM_CALLBACK_SESSION_IS_LOADED:

  2191.             pass

  2192. 

  2193.         # Show Optional Gui

  2194.         elif opcode == NSM_CALLBACK_SHOW_OPTIONAL_GUI:

  2195.             self.show()

  2196. 

  2197.         # Hide Optional Gui

  2198.         elif opcode == NSM_CALLBACK_HIDE_OPTIONAL_GUI:

  2199.             self.hide()

  2200. 

  2201.         self.host.nsm_ready(opcode)

  2202. 

  2203.     # --------------------------------------------------------------------------------------------------------

  2204. 

  2205.     def fixLogText(self, text):

  2206.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  2207. 

  2208.     @pyqtSlot(int, int, int, int, float, str)

  2209.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valuef, valueStr):

  2210.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  2211. 

  2212.     @pyqtSlot(str)

  2213.     def slot_handleInfoCallback(self, info):

  2214.         QMessageBox.information(self, "Information", info)

  2215. 

  2216.     @pyqtSlot(str)

  2217.     def slot_handleErrorCallback(self, error):

  2218.         QMessageBox.critical(self, "Error", error)

  2219. 

  2220.     @pyqtSlot()

  2221.     def slot_handleQuitCallback(self):

  2222.         self.fIsProjectLoading = False

  2223.         self.killTimers()

  2224.         self.removeAllPlugins()

  2225.         self.projectLoadingFinished()

  2226. 

  2227.     @pyqtSlot(int)

  2228.     def slot_handleInlineDisplayRedrawCallback(self, pluginId):

  2229.         # FIXME

  2230.         if self.fIdleTimerSlow != 0 and self.fIdleTimerFast != 0 and pluginId < self.fPluginCount and not self.fIsProjectLoading:

  2231.             patchcanvas.redrawPluginGroup(pluginId)

  2232. 

  2233.     # --------------------------------------------------------------------------------------------------------

  2234. 

  2235.     @pyqtSlot()

  2236.     def slot_handleSIGUSR1(self):

  2237.         print("Got SIGUSR1 -> Saving project now")

  2238.         self.slot_fileSave()

  2239. 

  2240.     @pyqtSlot()

  2241.     def slot_handleSIGTERM(self):

  2242.         print("Got SIGTERM -> Closing now")

  2243.         self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2244.         self.slot_engineStop(True)

  2245. 

  2246.     # --------------------------------------------------------------------------------------------------------

  2247.     # Internal stuff

  2248. 

  2249.     def getExtraPtr(self, plugin):

  2250.         ptype = plugin['type']

  2251. 

  2252.         if ptype == PLUGIN_LADSPA:

  2253.             uniqueId = plugin['uniqueId']

  2254. 

  2255.             self.maybeLoadRDFs()

  2256. 

  2257.             for rdfItem in self.fLadspaRdfList:

  2258.                 if rdfItem.UniqueID == uniqueId:

  2259.                     return pointer(rdfItem)

  2260. 

  2261.         elif ptype == PLUGIN_SF2:

  2262.             if plugin['name'].lower().endswith(" (16 outputs)"):

  2263.                 return self._true

  2264. 

  2265.         return None

  2266. 

  2267.     def maybeLoadRDFs(self):

  2268.         if not self.fLadspaRdfNeedsUpdate:

  2269.             return

  2270. 

  2271.         self.fLadspaRdfNeedsUpdate = False

  2272.         self.fLadspaRdfList = []

  2273. 

  2274.         if not haveLRDF:

  2275.             return

  2276. 

  2277.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  2278.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  2279. 

  2280.         if os.path.exists(frLadspaFile):

  2281.             frLadspa = open(frLadspaFile, 'r')

  2282. 

  2283.             try:

  2284.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  2285.             except:

  2286.                 pass

  2287. 

  2288.             frLadspa.close()

  2289. 

  2290.     # --------------------------------------------------------------------------------------------------------

  2291. 

  2292.     def getPluginCount(self):

  2293.         return self.fPluginCount

  2294. 

  2295.     def getPluginItem(self, pluginId):

  2296.         if pluginId >= self.fPluginCount:

  2297.             return None

  2298. 

  2299.         pitem = self.fPluginList[pluginId]

  2300.         if pitem is None:

  2301.             return None

  2302.         #if False:

  2303.             #return CarlaRackItem(self, 0, False)

  2304. 

  2305.         return pitem

  2306. 

  2307.     def getPluginEditDialog(self, pluginId):

  2308.         if pluginId >= self.fPluginCount:

  2309.             return None

  2310. 

  2311.         pitem = self.fPluginList[pluginId]

  2312.         if pitem is None:

  2313.             return None

  2314.         if False:

  2315.             return PluginEdit(self, self.host, 0)

  2316. 

  2317.         return pitem.getEditDialog()

  2318. 

  2319.     def getPluginSlotWidget(self, pluginId):

  2320.         if pluginId >= self.fPluginCount:

  2321.             return None

  2322. 

  2323.         pitem = self.fPluginList[pluginId]

  2324.         if pitem is None:

  2325.             return None

  2326.         #if False:

  2327.             #return AbstractPluginSlot()

  2328. 

  2329.         return pitem.getWidget()

  2330. 

  2331.     # --------------------------------------------------------------------------------------------------------

  2332. 

  2333.     def waitForPendingEvents(self):

  2334.         pass

  2335. 

  2336.     # --------------------------------------------------------------------------------------------------------

  2337.     # show/hide event

  2338. 

  2339.     def showEvent(self, event):

  2340.         self.getAndRefreshRuntimeInfo()

  2341.         self.refreshTransport(True)

  2342.         QMainWindow.showEvent(self, event)

  2343. 

  2344.         if QT_VERSION >= 0x50600:

  2345.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_UI_SCALE, int(self.devicePixelRatioF() * 1000), "")

  2346. 

  2347.         # set our gui as parent for all plugins UIs

  2348.         if self.host.manageUIs and not (self.host.isControl or self.host.isPlugin):

  2349.             if MACOS:

  2350.                 nsViewPtr = int(self.winId())

  2351.                 winIdStr  = "%x" % gCarla.utils.cocoa_get_window(nsViewPtr)

  2352.             else:

  2353.                 winIdStr = "%x" % int(self.winId())

  2354.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2355. 

  2356.     def hideEvent(self, event):

  2357.         # disable parent

  2358.         if not (self.host.isControl or self.host.isPlugin):

  2359.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2360. 

  2361.         QMainWindow.hideEvent(self, event)

  2362. 

  2363.     # --------------------------------------------------------------------------------------------------------

  2364.     # resize event

  2365. 

  2366.     def resizeEvent(self, event):

  2367.         QMainWindow.resizeEvent(self, event)

  2368. 

  2369.         if self.fWithCanvas:

  2370.             self.slot_miniCanvasCheckSize()

  2371. 

  2372.     # --------------------------------------------------------------------------------------------------------

  2373.     # timer event

  2374. 

  2375.     def refreshRuntimeInfo(self, load, xruns):

  2376.         txt1 = str(xruns) if (xruns >= 0) else "--"

  2377.         txt2 = "" if (xruns == 1) else "s"

  2378.         self.ui.b_xruns.setText("%s Xrun%s" % (txt1, txt2))

  2379.         self.ui.pb_dsp_load.setValue(int(load))

  2380. 

  2381.     def getAndRefreshRuntimeInfo(self):

  2382.         if not self.ui.pb_dsp_load.isVisible():

  2383.             return

  2384.         if not self.host.is_engine_running():

  2385.             return

  2386.         info = self.host.get_runtime_engine_info()

  2387.         self.refreshRuntimeInfo(info['load'], info['xruns'])

  2388. 

  2389.     def idleFast(self):

  2390.         self.host.engine_idle()

  2391.         self.refreshTransport()

  2392. 

  2393.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2394.             return

  2395. 

  2396.         for pitem in self.fPluginList:

  2397.             if pitem is None:

  2398.                 break

  2399. 

  2400.             pitem.getWidget().idleFast()

  2401. 

  2402.         for pluginId in self.fSelectedPlugins:

  2403.             self.fPeaksCleared = False

  2404.             if self.ui.peak_in.isVisible():

  2405.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2406.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2407.             if self.ui.peak_out.isVisible():

  2408.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2409.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2410.             return

  2411. 

  2412.         if self.fPeaksCleared:

  2413.             return

  2414. 

  2415.         self.fPeaksCleared = True

  2416.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2417.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2418.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2419.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2420. 

  2421.     def idleSlow(self):

  2422.         self.getAndRefreshRuntimeInfo()

  2423. 

  2424.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2425.             return

  2426. 

  2427.         for pitem in self.fPluginList:

  2428.             if pitem is None:

  2429.                 break

  2430. 

  2431.             pitem.getWidget().idleSlow()

  2432. 

  2433.     def timerEvent(self, event):

  2434.         if event.timerId() == self.fIdleTimerFast:

  2435.             self.idleFast()

  2436. 

  2437.         elif event.timerId() == self.fIdleTimerSlow:

  2438.             self.idleSlow()

  2439. 

  2440.         QMainWindow.timerEvent(self, event)

  2441. 

  2442.     # --------------------------------------------------------------------------------------------------------

  2443.     # color/style change event

  2444. 

  2445.     def changeEvent(self, event):

  2446.         if event.type() in (QEvent.PaletteChange, QEvent.StyleChange):

  2447.             self.updateStyle()

  2448.         QWidget.changeEvent(self, event)

  2449. 

  2450.     def updateStyle(self):

  2451.         # Rack padding images setup

  2452.         rack_imgL = QImage(":/bitmaps/rack_padding_left.png")

  2453.         rack_imgR = QImage(":/bitmaps/rack_padding_right.png")

  2454. 

  2455.         min_value = 0.07

  2456. 

  2457.         if PYQT_VERSION >= 0x50600:

  2458.             value_fix = 1.0/(1.0-rack_imgL.scaled(1, 1, Qt.IgnoreAspectRatio, Qt.SmoothTransformation).pixelColor(0,0).blackF())

  2459.         else:

  2460.             value_fix = 1.5

  2461. 

  2462.         bg_color = self.ui.rack.palette().window().color()

  2463.         bg_value = 1.0 - bg_color.blackF()

  2464.         if bg_value != 0.0 and bg_value < min_value:

  2465.             pad_color = bg_color.lighter(100*min_value/bg_value*value_fix)

  2466.         else:

  2467.             pad_color = QColor.fromHsvF(0.0, 0.0, min_value*value_fix)

  2468. 

  2469.         painter = QPainter()

  2470.         fillRect = rack_imgL.rect().adjusted(-1,-1,1,1)

  2471. 

  2472.         painter.begin(rack_imgL)

  2473.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2474.         painter.setBrush(pad_color)

  2475.         painter.drawRect(fillRect)

  2476.         painter.end()

  2477.         rack_pixmapL = QPixmap(rack_imgL)

  2478.         self.imgL_palette = QPalette()

  2479.         self.imgL_palette.setBrush(QPalette.Window, QBrush(rack_pixmapL))

  2480.         self.ui.pad_left.setPalette(self.imgL_palette)

  2481.         self.ui.pad_left.setAutoFillBackground(True)

  2482. 

  2483.         painter.begin(rack_imgR)

  2484.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2485.         painter.setBrush(pad_color)

  2486.         painter.drawRect(fillRect)

  2487.         painter.end()

  2488.         rack_pixmapR = QPixmap(rack_imgR)

  2489.         self.imgR_palette = QPalette()

  2490.         self.imgR_palette.setBrush(QPalette.Window, QBrush(rack_pixmapR))

  2491.         self.ui.pad_right.setPalette(self.imgR_palette)

  2492.         self.ui.pad_right.setAutoFillBackground(True)

  2493. 

  2494.     # --------------------------------------------------------------------------------------------------------

  2495.     # paint event

  2496. 

  2497.     #def paintEvent(self, event):

  2498.         #QMainWindow.paintEvent(self, event)

  2499. 

  2500.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2501.             #return

  2502. 

  2503.         #painter = QPainter(self)

  2504.         #painter.setBrush(QColor(36, 36, 36))

  2505.         #painter.setPen(QColor(62, 62, 62))

  2506.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2507. 

  2508.     # --------------------------------------------------------------------------------------------------------

  2509.     # close event

  2510. 

  2511.     def shouldIgnoreClose(self):

  2512.         if self.host.isControl or self.host.isPlugin:

  2513.             return False

  2514.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  2515.             return False

  2516.         if self.fSavedSettings[CARLA_KEY_MAIN_CONFIRM_EXIT]:

  2517.             return QMessageBox.question(self, self.tr("Quit"),

  2518.                                               self.tr("Are you sure you want to quit Carla?"),

  2519.                                               QMessageBox.Yes|QMessageBox.No) == QMessageBox.No

  2520.         return False

  2521. 

  2522.     def closeEvent(self, event):

  2523.         if self.shouldIgnoreClose():

  2524.             event.ignore()

  2525.             return

  2526. 

  2527.         if MACOS and self.fMacClosingHelper and not (self.host.isControl or self.host.isPlugin):

  2528.             self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2529.             self.fMacClosingHelper = False

  2530.             event.ignore()

  2531. 

  2532.             for i in reversed(range(self.fPluginCount)):

  2533.                 self.host.show_custom_ui(i, False)

  2534. 

  2535.             QTimer.singleShot(100, self.close)

  2536.             return

  2537. 

  2538.         self.killTimers()

  2539.         self.saveSettings()

  2540. 

  2541.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  2542.             if not self.slot_engineStop(True):

  2543.                 self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2544.                 event.ignore()

  2545.                 return

  2546. 

  2547.         QMainWindow.closeEvent(self, event)

  2548. 

  2549. # ------------------------------------------------------------------------------------------------

  2550. # Canvas callback

  2551. 

  2552. def canvasCallback(action, value1, value2, valueStr):

  2553.     host = gCarla.gui.host

  2554. 

  2555.     if action == patchcanvas.ACTION_GROUP_INFO:

  2556.         pass

  2557. 

  2558.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  2559.         pass

  2560. 

  2561.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  2562.         groupId = value1

  2563.         patchcanvas.splitGroup(groupId)

  2564.         gCarla.gui.updateMiniCanvasLater()

  2565. 

  2566.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  2567.         groupId = value1

  2568.         patchcanvas.joinGroup(groupId)

  2569.         gCarla.gui.updateMiniCanvasLater()

  2570. 

  2571.     elif action == patchcanvas.ACTION_PORT_INFO:

  2572.         pass

  2573. 

  2574.     elif action == patchcanvas.ACTION_PORT_RENAME:

  2575.         pass

  2576. 

  2577.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  2578.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")]

  2579. 

  2580.         if not host.patchbay_connect(gCarla.gui.fExternalPatchbay, gOut, pOut, gIn, pIn):

  2581.             print("Connection failed:", host.get_last_error())

  2582. 

  2583.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  2584.         connectionId = value1

  2585. 

  2586.         if not host.patchbay_disconnect(gCarla.gui.fExternalPatchbay, connectionId):

  2587.             print("Disconnect failed:", host.get_last_error())

  2588. 

  2589.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  2590.         pluginId = value1

  2591. 

  2592.         if not host.clone_plugin(pluginId):

  2593.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2594.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2595. 

  2596.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  2597.         pluginId = value1

  2598.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2599. 

  2600.         if pwidget is not None:

  2601.             pwidget.showEditDialog()

  2602. 

  2603.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  2604.         pluginId = value1

  2605.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2606. 

  2607.         if pwidget is not None:

  2608.             pwidget.showRenameDialog()

  2609. 

  2610.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  2611.         pluginId = value1

  2612.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2613. 

  2614.         if pwidget is not None:

  2615.             pwidget.showReplaceDialog()

  2616. 

  2617.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  2618.         pluginId = value1

  2619. 

  2620.         if not host.remove_plugin(pluginId):

  2621.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2622.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2623. 

  2624.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  2625.         pluginId = value1

  2626.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2627. 

  2628.         if pwidget is not None:

  2629.             pwidget.showCustomUI()

  2630. 

  2631.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  2632.         gCarla.gui.showPluginActionsMenu()

  2633. 

  2634.     elif action == patchcanvas.ACTION_INLINE_DISPLAY:

  2635.         # FIXME

  2636.         if gCarla.gui.fPluginCount == 0: return

  2637.         pluginId = value1

  2638.         width, height = [int(v) for v in valueStr.split(":")]

  2639.         return host.render_inline_display(pluginId, width, height)

  2640. 

  2641. # ------------------------------------------------------------------------------------------------------------

  2642. # Engine callback

  2643. 

  2644. def engineCallback(host, action, pluginId, value1, value2, value3, valuef, valueStr):

  2645.     # kdevelop likes this :)

  2646.     if False: host = CarlaHostNull()

  2647. 

  2648.     valueStr = charPtrToString(valueStr)

  2649. 

  2650.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  2651.         host.processMode   = value1

  2652.         host.transportMode = value2

  2653.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2654.         host.processMode   = value1

  2655.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2656.         host.transportMode  = value1

  2657.         host.transportExtra = valueStr

  2658. 

  2659.     if action == ENGINE_CALLBACK_DEBUG:

  2660.         host.DebugCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  2661.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  2662.         host.PluginAddedCallback.emit(pluginId, valueStr)

  2663.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  2664.         host.PluginRemovedCallback.emit(pluginId)

  2665.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  2666.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  2667.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  2668.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  2669.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  2670.         host.ParameterValueChangedCallback.emit(pluginId, value1, valuef)

  2671.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  2672.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, valuef)

  2673.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CC_CHANGED:

  2674.         host.ParameterMidiCcChangedCallback.emit(pluginId, value1, value2)

  2675.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  2676.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  2677.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  2678.         host.ProgramChangedCallback.emit(pluginId, value1)

  2679.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  2680.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  2681.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  2682.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  2683.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  2684.         host.UiStateChangedCallback.emit(pluginId, value1)

  2685.     elif action == ENGINE_CALLBACK_NOTE_ON:

  2686.         host.NoteOnCallback.emit(pluginId, value1, value2, value3)

  2687.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  2688.         host.NoteOffCallback.emit(pluginId, value1, value2)

  2689.     elif action == ENGINE_CALLBACK_UPDATE:

  2690.         host.UpdateCallback.emit(pluginId)

  2691.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  2692.         host.ReloadInfoCallback.emit(pluginId)

  2693.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  2694.         host.ReloadParametersCallback.emit(pluginId)

  2695.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  2696.         host.ReloadProgramsCallback.emit(pluginId)

  2697.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  2698.         host.ReloadAllCallback.emit(pluginId)

  2699.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  2700.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  2701.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  2702.         host.PatchbayClientRemovedCallback.emit(pluginId)

  2703.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  2704.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  2705.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  2706.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  2707.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  2708.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, valueStr)

  2709.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  2710.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  2711.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_RENAMED:

  2712.         host.PatchbayPortRenamedCallback.emit(pluginId, value1, valueStr)

  2713.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  2714.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  2715.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  2716.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  2717.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  2718.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  2719.         host.EngineStartedCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  2720.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  2721.         host.EngineStoppedCallback.emit()

  2722.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2723.         host.ProcessModeChangedCallback.emit(value1)

  2724.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2725.         host.TransportModeChangedCallback.emit(value1, valueStr)

  2726.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  2727.         host.BufferSizeChangedCallback.emit(value1)

  2728.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  2729.         host.SampleRateChangedCallback.emit(valuef)

  2730.     elif action == ENGINE_CALLBACK_CANCELABLE_ACTION:

  2731.         host.CancelableActionCallback.emit(pluginId, bool(value1 != 0), valueStr)

  2732.     elif action == ENGINE_CALLBACK_PROJECT_LOAD_FINISHED:

  2733.         host.ProjectLoadFinishedCallback.emit()

  2734.     elif action == ENGINE_CALLBACK_NSM:

  2735.         host.NSMCallback.emit(value1, value2, valueStr)

  2736.     elif action == ENGINE_CALLBACK_IDLE:

  2737.         QApplication.processEvents()

  2738.     elif action == ENGINE_CALLBACK_INFO:

  2739.         host.InfoCallback.emit(valueStr)

  2740.     elif action == ENGINE_CALLBACK_ERROR:

  2741.         host.ErrorCallback.emit(valueStr)

  2742.     elif action == ENGINE_CALLBACK_QUIT:

  2743.         host.QuitCallback.emit()

  2744.     elif action == ENGINE_CALLBACK_INLINE_DISPLAY_REDRAW:

  2745.         host.InlineDisplayRedrawCallback.emit(pluginId)

  2746.     else:

  2747.         print("unhandled action", action)

  2748. 

  2749. # ------------------------------------------------------------------------------------------------------------

  2750. # File callback

  2751. 

  2752. def fileCallback(ptr, action, isDir, title, filter):

  2753.     title  = charPtrToString(title)

  2754.     filter = charPtrToString(filter)

  2755. 

  2756.     if action == FILE_CALLBACK_OPEN:

  2757.         ret, ok = QFileDialog.getOpenFileName(gCarla.gui, title, "", filter) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  2758.     elif action == FILE_CALLBACK_SAVE:

  2759.         ret, ok = QFileDialog.getSaveFileName(gCarla.gui, title, "", filter, QFileDialog.ShowDirsOnly if isDir else 0x0)

  2760.     else:

  2761.         ret, ok = ("", "")

  2762. 

  2763.     # FIXME use ok value, test if it works as expected

  2764.     if not ret:

  2765.         return None

  2766. 

  2767.     # FIXME

  2768.     global fileRet

  2769.     fileRet = c_char_p(ret.encode("utf-8"))

  2770.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  2771.     return retval.contents.value

  2772. 

  2773. # ------------------------------------------------------------------------------------------------------------

  2774. # Init host

  2775. 

  2776. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  2777.     pathBinaries, pathResources = getPaths(libPrefix)

  2778. 

  2779.     # --------------------------------------------------------------------------------------------------------

  2780.     # Check if we should open main lib as local or global

  2781. 

  2782.     settings = QSettings("falkTX", "Carla2")

  2783. 

  2784.     try:

  2785.         loadGlobal = settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL, CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL, type=bool)

  2786.     except:

  2787.         loadGlobal = CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL

  2788. 

  2789.     # --------------------------------------------------------------------------------------------------------

  2790.     # Fail if binary dir is not found

  2791. 

  2792.     if not os.path.exists(pathBinaries):

  2793.         if failError:

  2794.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  2795.             sys.exit(1)

  2796.         return

  2797. 

  2798.     # --------------------------------------------------------------------------------------------------------

  2799.     # Set Carla library name

  2800. 

  2801.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  2802.     libname   = os.path.join(pathBinaries, libname)

  2803.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  2804. 

  2805.     # --------------------------------------------------------------------------------------------------------

  2806.     # Print info

  2807. 

  2808.     print("Carla %s started, status:" % VERSION)

  2809.     print("  Python version: %s" % sys.version.split(" ",1)[0])

  2810.     print("  Qt version:     %s" % QT_VERSION_STR)

  2811.     print("  PyQt version:   %s" % PYQT_VERSION_STR)

  2812.     print("  Binary dir:     %s" % pathBinaries)

  2813.     print("  Resources dir:  %s" % pathResources)

  2814. 

  2815.     # --------------------------------------------------------------------------------------------------------

  2816.     # Init host

  2817. 

  2818.     if failError:

  2819.         # no try

  2820.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2821.     else:

  2822.         try:

  2823.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2824.         except:

  2825.             host = CarlaHostQtNull()

  2826. 

  2827.     host.isControl = isControl

  2828.     host.isPlugin  = isPlugin

  2829. 

  2830.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vf,vs: engineCallback(host,a,p,v1,v2,v3,vf,vs))

  2831.     host.set_file_callback(fileCallback)

  2832. 

  2833.     # If it's a plugin the paths are already set

  2834.     if not isPlugin:

  2835.         host.pathBinaries  = pathBinaries

  2836.         host.pathResources = pathResources

  2837.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  2838.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  2839. 

  2840.         if not isControl:

  2841.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  2842. 

  2843.     # --------------------------------------------------------------------------------------------------------

  2844.     # Init utils

  2845. 

  2846.     gCarla.utils = CarlaUtils(utilsname)

  2847.     gCarla.utils.set_process_name(os.path.basename(initName))

  2848. 

  2849.     try:

  2850.         sys.stdout.flush()

  2851.     except:

  2852.         pass

  2853. 

  2854.     sys.stdout = CarlaPrint(False)

  2855.     sys.stderr = CarlaPrint(True)

  2856.     sys.excepthook = sys_excepthook

  2857. 

  2858.     # --------------------------------------------------------------------------------------------------------

  2859.     # Done

  2860. 

  2861.     return host

  2862. 

  2863. # ------------------------------------------------------------------------------------------------------------

  2864. # Load host settings

  2865. 

  2866. def loadHostSettings(host):

  2867.     # kdevelop likes this :)

  2868.     if False: host = CarlaHostNull()

  2869. 

  2870.     settings = QSettings("falkTX", "Carla2")

  2871. 

  2872.     try:

  2873.         host.experimental = settings.value(CARLA_KEY_MAIN_EXPERIMENTAL, CARLA_DEFAULT_MAIN_EXPERIMENTAL, type=bool)

  2874.     except:

  2875.         host.experimental = CARLA_DEFAULT_MAIN_EXPERIMENTAL

  2876. 

  2877.     try:

  2878.         host.exportLV2 = settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2, CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT, type=bool)

  2879.     except:

  2880.         host.exportLV2 = CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT

  2881. 

  2882.     try:

  2883.         host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, type=bool)

  2884.     except:

  2885.         host.manageUIs = CARLA_DEFAULT_MANAGE_UIS

  2886. 

  2887.     try:

  2888.         host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, type=int)

  2889.     except:

  2890.         host.maxParameters = CARLA_DEFAULT_MAX_PARAMETERS

  2891. 

  2892.     try:

  2893.         host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, type=bool)

  2894.     except:

  2895.         host.forceStereo = CARLA_DEFAULT_FORCE_STEREO

  2896. 

  2897.     try:

  2898.         host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, type=bool)

  2899.     except:

  2900.         host.preferPluginBridges = CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES

  2901. 

  2902.     try:

  2903.         host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, type=bool)

  2904.     except:

  2905.         host.preferUIBridges = CARLA_DEFAULT_PREFER_UI_BRIDGES

  2906. 

  2907.     try:

  2908.         host.preventBadBehaviour = settings.value(CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, type=bool)

  2909.     except:

  2910.         host.preventBadBehaviour = CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR

  2911. 

  2912.     try:

  2913.         host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, type=bool)

  2914.     except:

  2915.         host.showLogs = CARLA_DEFAULT_MAIN_SHOW_LOGS

  2916. 

  2917.     try:

  2918.         host.showPluginBridges = settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, type=bool)

  2919.     except:

  2920.         host.showPluginBridges = CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES

  2921. 

  2922.     try:

  2923.         host.showWineBridges = settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, type=bool)

  2924.     except:

  2925.         host.showWineBridges = CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES

  2926. 

  2927.     try:

  2928.         host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, type=int)

  2929.     except:

  2930.         host.uiBridgesTimeout = CARLA_DEFAULT_UI_BRIDGES_TIMEOUT

  2931. 

  2932.     try:

  2933.         host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, type=bool)

  2934.     except:

  2935.         host.uisAlwaysOnTop = CARLA_DEFAULT_UIS_ALWAYS_ON_TOP

  2936. 

  2937.     if host.isPlugin:

  2938.         return

  2939. 

  2940.     try:

  2941.         host.transportExtra = settings.value(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, "", type=str)

  2942.     except:

  2943.         host.transportExtra = ""

  2944. 

  2945.     # enums

  2946.     if host.audioDriverForced is None:

  2947.         try:

  2948.             host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, type=int)

  2949.         except:

  2950.             host.transportMode = CARLA_DEFAULT_TRANSPORT_MODE

  2951. 

  2952.     if not host.processModeForced:

  2953.         try:

  2954.             host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, type=int)

  2955.         except:

  2956.             host.processMode = CARLA_DEFAULT_PROCESS_MODE

  2957. 

  2958.     host.nextProcessMode = host.processMode

  2959. 

  2960.     # --------------------------------------------------------------------------------------------------------

  2961.     # fix things if needed

  2962. 

  2963.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  2964.         if LADISH_APP_NAME:

  2965.             print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  2966.             host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  2967. 

  2968.         else:

  2969.             host.transportMode = ENGINE_TRANSPORT_MODE_JACK

  2970. 

  2971.     if gCarla.nogui:

  2972.         host.showLogs = False

  2973. 

  2974.     # --------------------------------------------------------------------------------------------------------

  2975.     # run headless host now if nogui option enabled

  2976. 

  2977.     if gCarla.nogui:

  2978.         runHostWithoutUI(host)

  2979. 

  2980. # ------------------------------------------------------------------------------------------------------------

  2981. # Set host settings

  2982. 

  2983. def setHostSettings(host):

  2984.     # kdevelop likes this :)

  2985.     if False: host = CarlaHostNull()

  2986. 

  2987.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  2988.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  2989.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  2990.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  2991.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  2992.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  2993.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  2994. 

  2995.     if host.isPlugin or host.isRemote or host.is_engine_running():

  2996.         return

  2997. 

  2998.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  2999.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       host.transportExtra)

  3000.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  3001. 

  3002. # ------------------------------------------------------------------------------------------------------------

  3003. # Set Engine settings according to carla preferences. Returns selected audio driver.

  3004. 

  3005. def setEngineSettings(host):

  3006.     # kdevelop likes this :)

  3007.     if False: host = CarlaHostNull()

  3008. 

  3009.     # --------------------------------------------------------------------------------------------------------

  3010.     # do nothing if control

  3011. 

  3012.     if host.isControl:

  3013.         return "Control"

  3014. 

  3015.     # --------------------------------------------------------------------------------------------------------

  3016. 

  3017.     settings = QSettings("falkTX", "Carla2")

  3018. 

  3019.     # --------------------------------------------------------------------------------------------------------

  3020.     # main settings

  3021. 

  3022.     setHostSettings(host)

  3023. 

  3024.     # --------------------------------------------------------------------------------------------------------

  3025.     # plugin paths

  3026. 

  3027.     LADSPA_PATH = toList(settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH))

  3028.     DSSI_PATH   = toList(settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH))

  3029.     LV2_PATH    = toList(settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH))

  3030.     VST2_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST2,   CARLA_DEFAULT_VST2_PATH))

  3031.     VST3_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST3,   CARLA_DEFAULT_VST3_PATH))

  3032.     SF2_PATH    = toList(settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH))

  3033.     SFZ_PATH    = toList(settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH))

  3034. 

  3035.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  3036.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  3037.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  3038.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2,   splitter.join(VST2_PATH))

  3039.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST3,   splitter.join(VST3_PATH))

  3040.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  3041.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  3042. 

  3043.     # --------------------------------------------------------------------------------------------------------

  3044.     # don't continue if plugin

  3045. 

  3046.     if host.isPlugin:

  3047.         return "Plugin"

  3048. 

  3049.     # --------------------------------------------------------------------------------------------------------

  3050.     # osc settings

  3051. 

  3052.     oscEnabled = settings.value(CARLA_KEY_OSC_ENABLED, CARLA_DEFAULT_OSC_ENABLED, type=bool)

  3053. 

  3054.     if not settings.value(CARLA_KEY_OSC_TCP_PORT_ENABLED, CARLA_DEFAULT_OSC_TCP_PORT_ENABLED, type=bool):

  3055.         portNumTCP = -1

  3056.     elif settings.value(CARLA_KEY_OSC_TCP_PORT_RANDOM, CARLA_DEFAULT_OSC_TCP_PORT_RANDOM, type=bool):

  3057.         portNumTCP = 0

  3058.     else:

  3059.         portNumTCP = settings.value(CARLA_KEY_OSC_TCP_PORT_NUMBER, CARLA_DEFAULT_OSC_TCP_PORT_NUMBER, type=int)

  3060. 

  3061.     if not settings.value(CARLA_KEY_OSC_UDP_PORT_ENABLED, CARLA_DEFAULT_OSC_UDP_PORT_ENABLED, type=bool):

  3062.         portNumUDP = -1

  3063.     elif settings.value(CARLA_KEY_OSC_UDP_PORT_RANDOM, CARLA_DEFAULT_OSC_UDP_PORT_RANDOM, type=bool):

  3064.         portNumUDP = 0

  3065.     else:

  3066.         portNumUDP = settings.value(CARLA_KEY_OSC_UDP_PORT_NUMBER, CARLA_DEFAULT_OSC_UDP_PORT_NUMBER, type=int)

  3067. 

  3068.     host.set_engine_option(ENGINE_OPTION_OSC_ENABLED, 1 if oscEnabled else 0, "")

  3069.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_TCP, portNumTCP, "")

  3070.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_UDP, portNumUDP, "")

  3071. 

  3072.     # --------------------------------------------------------------------------------------------------------

  3073.     # wine settings

  3074. 

  3075.     optWineExecutable = settings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, type=str)

  3076.     optWineAutoPrefix = settings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, type=bool)

  3077.     optWineFallbackPrefix = settings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, type=str)

  3078.     optWineRtPrioEnabled = settings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, type=bool)

  3079.     optWineBaseRtPrio = settings.value(CARLA_KEY_WINE_BASE_RT_PRIO,   CARLA_DEFAULT_WINE_BASE_RT_PRIO, type=int)

  3080.     optWineServerRtPrio = settings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, type=int)

  3081. 

  3082.     host.set_engine_option(ENGINE_OPTION_WINE_EXECUTABLE, 0, optWineExecutable)

  3083.     host.set_engine_option(ENGINE_OPTION_WINE_AUTO_PREFIX, 1 if optWineAutoPrefix else 0, "")

  3084.     host.set_engine_option(ENGINE_OPTION_WINE_FALLBACK_PREFIX, 0, os.path.expanduser(optWineFallbackPrefix))

  3085.     host.set_engine_option(ENGINE_OPTION_WINE_RT_PRIO_ENABLED, 1 if optWineRtPrioEnabled else 0, "")

  3086.     host.set_engine_option(ENGINE_OPTION_WINE_BASE_RT_PRIO, optWineBaseRtPrio, "")

  3087.     host.set_engine_option(ENGINE_OPTION_WINE_SERVER_RT_PRIO, optWineServerRtPrio, "")

  3088. 

  3089.     # --------------------------------------------------------------------------------------------------------

  3090.     # driver and device settings

  3091. 

  3092.     # driver name

  3093.     if host.audioDriverForced is not None:

  3094.         audioDriver = host.audioDriverForced

  3095.     else:

  3096.         try:

  3097.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, type=str)

  3098.         except:

  3099.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  3100. 

  3101.     # driver options

  3102.     try:

  3103.         audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", type=str)

  3104.     except:

  3105.         audioDevice = ""

  3106. 

  3107.     try:

  3108.         audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, type=int)

  3109.     except:

  3110.         audioBufferSize = CARLA_DEFAULT_AUDIO_BUFFER_SIZE

  3111. 

  3112.     try:

  3113.         audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, type=int)

  3114.     except:

  3115.         audioSampleRate = CARLA_DEFAULT_AUDIO_SAMPLE_RATE

  3116. 

  3117.     try:

  3118.         audioTripleBuffer = settings.value("%s%s/TripleBuffer" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER, type=int)

  3119.     except:

  3120.         audioTripleBuffer = CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER

  3121. 

  3122.     # Only setup audio things if engine is not running

  3123.     if not host.is_engine_running():

  3124.         host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE, 0, audioDevice)

  3125. 

  3126.         if not audioDriver.startswith("JACK"):

  3127.             host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  3128.             host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  3129.             host.set_engine_option(ENGINE_OPTION_AUDIO_TRIPLE_BUFFER, audioTripleBuffer, "")

  3130. 

  3131.     # --------------------------------------------------------------------------------------------------------

  3132.     # fix things if needed

  3133. 

  3134.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  3135.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  3136.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, host.transportExtra)

  3137. 

  3138.     # --------------------------------------------------------------------------------------------------------

  3139.     # return selected driver name

  3140. 

  3141.     return audioDriver

  3142. 

  3143. # ------------------------------------------------------------------------------------------------------------

  3144. # Run Carla without showing UI

  3145. 

  3146. def runHostWithoutUI(host):

  3147.     # kdevelop likes this :)

  3148.     if False: host = CarlaHostNull()

  3149. 

  3150.     # --------------------------------------------------------------------------------------------------------

  3151.     # Some initial checks

  3152. 

  3153.     if not gCarla.nogui:

  3154.         return

  3155. 

  3156.     projectFile = getInitialProjectFile(QCoreApplication.instance(), True)

  3157. 

  3158.     if not projectFile:

  3159.         print("Carla no-gui mode can only be used together with a project file.")

  3160.         sys.exit(1)

  3161. 

  3162.     # --------------------------------------------------------------------------------------------------------

  3163.     # Additional imports

  3164. 

  3165.     from time import sleep

  3166. 

  3167.     # --------------------------------------------------------------------------------------------------------

  3168.     # Init engine

  3169. 

  3170.     audioDriver = setEngineSettings(host)

  3171.     if not host.engine_init(audioDriver, "Carla"):

  3172.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  3173.         sys.exit(1)

  3174. 

  3175.     if not host.load_project(projectFile):

  3176.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  3177.         host.engine_close()

  3178.         sys.exit(1)

  3179. 

  3180.     # --------------------------------------------------------------------------------------------------------

  3181.     # Idle

  3182. 

  3183.     print("Carla ready!")

  3184. 

  3185.     while host.is_engine_running() and not gCarla.term:

  3186.         host.engine_idle()

  3187.         sleep(0.0333) # 30 Hz

  3188. 

  3189.     # --------------------------------------------------------------------------------------------------------

  3190.     # Stop

  3191. 

  3192.     host.engine_close()

  3193.     sys.exit(0)

  3194. 

  3195. # ------------------------------------------------------------------------------------------------------------