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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. try:

  25.     from PyQt5.Qt import PYQT_VERSION

  26. except ImportError:

  27.     PYQT_VERSION = 0x50600

  28. 

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

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

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

  32. 

  33. # ------------------------------------------------------------------------------------------------------------

  34. # Imports (Custom)

  35. 

  36. import ui_carla_host

  37. 

  38. from carla_app import *

  39. from carla_database import *

  40. from carla_settings import *

  41. from carla_utils import *

  42. from carla_widgets import *

  43. 

  44. from patchcanvas import patchcanvas

  45. from widgets.digitalpeakmeter import DigitalPeakMeter

  46. from widgets.pixmapkeyboard import PixmapKeyboardHArea

  47. 

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

  49. # Try Import OpenGL

  50. 

  51. try:

  52.     from PyQt5.QtOpenGL import QGLWidget

  53.     hasGL = True

  54. except:

  55.     hasGL = False

  56. 

  57. # ------------------------------------------------------------------------------------------------------------

  58. # Safe exception hook, needed for PyQt5

  59. 

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

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

  62. 

  63. # ------------------------------------------------------------------------------------------------------------

  64. # Session Management support

  65. 

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

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

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

  69. 

  70. # ------------------------------------------------------------------------------------------------------------

  71. # Small print helper

  72. 

  73. def processMode2Str(processMode):

  74.     if processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT:

  75.         return "Single client"

  76.     if processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  77.         return "Multi client"

  78.     if processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK:

  79.         return "Continuous Rack"

  80.     if processMode == ENGINE_PROCESS_MODE_PATCHBAY:

  81.         return "Patchbay"

  82.     if processMode == ENGINE_PROCESS_MODE_BRIDGE:

  83.         return "Bridge"

  84.     return "Unknown"

  85. 

  86. # ------------------------------------------------------------------------------------------------------------

  87. # Carla Print class

  88. 

  89. class CarlaPrint:

  90.     def __init__(self, err):

  91.         self.err = err

  92. 

  93.     def flush(self):

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

  95. 

  96.     def write(self, string):

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

  98. 

  99. # ------------------------------------------------------------------------------------------------------------

  100. # Host Window

  101. 

  102. class HostWindow(QMainWindow):

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

  104.     # signals

  105.     SIGTERM = pyqtSignal()

  106.     SIGUSR1 = pyqtSignal()

  107. 

  108.     # CustomActions

  109.     CUSTOM_ACTION_NONE         = 0

  110.     CUSTOM_ACTION_APP_CLOSE    = 1

  111.     CUSTOM_ACTION_PROJECT_LOAD = 2

  112. 

  113.     # --------------------------------------------------------------------------------------------------------

  114. 

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

  116.         QMainWindow.__init__(self, parent)

  117.         self.host = host

  118.         self.ui = ui_carla_host.Ui_CarlaHostW()

  119.         self.ui.setupUi(self)

  120.         gCarla.gui = self

  121. 

  122.         if False:

  123.             # kdevelop likes this :)

  124.             host = CarlaHostNull()

  125.             self.host = host

  126. 

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

  128. 

  129.         self.fParentOrSelf = parent or self

  130. 

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

  132.         # Internal stuff

  133. 

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

  135.         self.fIdleTimerFast = 0

  136.         self.fIdleTimerSlow = 0

  137. 

  138.         self.fLadspaRdfNeedsUpdate = True

  139.         self.fLadspaRdfList = []

  140. 

  141.         self.fPluginCount = 0

  142.         self.fPluginList  = []

  143. 

  144.         self.fProjectFilename  = ""

  145.         self.fIsProjectLoading = False

  146.         self.fCurrentlyRemovingAllPlugins = False

  147. 

  148.         self.fLastTransportBPM   = 0.0

  149.         self.fLastTransportFrame = 0

  150.         self.fLastTransportState = False

  151.         self.fBufferSize         = 0

  152.         self.fSampleRate         = 0.0

  153.         self.fOscAddressTCP      = ""

  154.         self.fOscAddressUDP      = ""

  155.         self.fOscReportedHost    = ""

  156. 

  157.         if MACOS:

  158.             self.fMacClosingHelper = True

  159. 

  160.         # CancelableActionCallback Box

  161.         self.fCancelableActionBox = None

  162. 

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

  164.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  165. 

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

  167.         self.fFirstEngineInit = True

  168. 

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

  170.         self.fSavedSettings = {}

  171. 

  172.         if host.isControl:

  173.             self.fClientName         = "Carla-Control"

  174.             self.fSessionManagerName = "Control"

  175.         elif host.isPlugin:

  176.             self.fClientName         = "Carla-Plugin"

  177.             self.fSessionManagerName = "Plugin"

  178.         elif LADISH_APP_NAME:

  179.             self.fClientName         = LADISH_APP_NAME

  180.             self.fSessionManagerName = "LADISH"

  181.         elif NSM_URL and host.nsmOK:

  182.             self.fClientName         = "Carla.tmp"

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

  184.         else:

  185.             self.fClientName         = CARLA_CLIENT_NAME or "Carla"

  186.             self.fSessionManagerName = ""

  187. 

  188.         # ----------------------------------------------------------------------------------------------------

  189.         # Internal stuff (patchbay)

  190. 

  191.         self.fExportImage = QImage()

  192. 

  193.         self.fPeaksCleared = True

  194. 

  195.         self.fExternalPatchbay = False

  196.         self.fSelectedPlugins  = []

  197. 

  198.         self.fCanvasWidth  = 0

  199.         self.fCanvasHeight = 0

  200.         self.fMiniCanvasUpdateTimeout = 0

  201. 

  202.         self.fWithCanvas = withCanvas

  203. 

  204.         # ----------------------------------------------------------------------------------------------------

  205.         # Set up GUI (engine stopped)

  206. 

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

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

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

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

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

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

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

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

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

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

  217. 

  218.             if self.host.isControl:

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

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

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

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

  223.             else:

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

  225. 

  226.                 if not withCanvas:

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

  228. 

  229.         else:

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

  231. 

  232.             if WINDOWS:

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

  234. 

  235.         if self.host.isControl:

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

  237.         else:

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

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

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

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

  242. 

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

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

  245. 

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

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

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

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

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

  251. 

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

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

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

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

  256. 

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

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

  259. 

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

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

  262. 

  263.         if not withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  281.             self.ui.tw_miniCanvas.hide()

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

  283.             if WINDOWS:

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

  285. 

  286.         # ----------------------------------------------------------------------------------------------------

  287.         # Set up GUI (disk)

  288. 

  289.         exts = gCarla.utils.get_supported_file_extensions()

  290. 

  291.         self.fDirModel = QFileSystemModel(self)

  292.         self.fDirModel.setRootPath(HOME)

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

  294. 

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

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

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

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

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

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

  301. 

  302.         # ----------------------------------------------------------------------------------------------------

  303.         # Set up GUI (transport)

  304. 

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

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

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

  308. 

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

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

  311. 

  312.         if minLabelWidth < labelTimeWidth:

  313.             minLabelWidth = labelTimeWidth

  314.         if minLabelWidth < labelBBTWidth:

  315.             minLabelWidth = labelBBTWidth

  316. 

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

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

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

  320. 

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

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

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

  324. 

  325.         if host.isPlugin:

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

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

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

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

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

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

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

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

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

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

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

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

  338. 

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

  340. 

  341.         # ----------------------------------------------------------------------------------------------------

  342.         # Set up GUI (rack)

  343. 

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

  345. 

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

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

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

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

  350. 

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

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

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

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

  355. 

  356.         self.updateStyle()

  357. 

  358.         self.ui.rack.setStyleSheet("""

  359.           CarlaRackList#CarlaRackList {

  360.             background-color: black;

  361.           }

  362.         """)

  363. 

  364.         # ----------------------------------------------------------------------------------------------------

  365.         # Set up GUI (patchbay)

  366. 

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

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

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

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

  371. 

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

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

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

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

  376. 

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

  378.         self.ui.keyboard   = self.ui.scrollArea.keyboard

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

  380. 

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

  382. 

  383.         self.ui.miniCanvasPreview.setRealParent(self)

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

  385. 

  386.         # ----------------------------------------------------------------------------------------------------

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

  388. 

  389.         if MACOS:

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

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

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

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

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

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

  396. 

  397.         # ----------------------------------------------------------------------------------------------------

  398.         # Load Settings

  399. 

  400.         self.loadSettings(True)

  401. 

  402.         # ----------------------------------------------------------------------------------------------------

  403.         # Set-up Canvas

  404. 

  405.         if withCanvas:

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

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

  408. 

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

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

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

  412. 

  413.             self.setupCanvas()

  414. 

  415.         # ----------------------------------------------------------------------------------------------------

  416.         # Connect actions to functions

  417. 

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

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

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

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

  422. 

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

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

  425. 

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

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

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

  429. 

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

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

  432. 

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

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

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

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

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

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

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

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

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

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

  443. 

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

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

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

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

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

  449. 

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

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

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

  453. 

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

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

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

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

  458. 

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

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

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

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

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

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

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

  466. 

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

  468. 

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

  470. 

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

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

  473. 

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

  475. 

  476.         if withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  494. 

  495.         self.SIGUSR1.connect(self.slot_handleSIGUSR1)

  496.         self.SIGTERM.connect(self.slot_handleSIGTERM)

  497. 

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

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

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

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

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

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

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

  505. 

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

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

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

  509. 

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

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

  512. 

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

  514. 

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

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

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

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

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

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

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

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

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

  524. 

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

  526. 

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

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

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

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

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

  532. 

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

  534.         # Final setup

  535. 

  536.         self.ui.text_logs.clear()

  537.         self.setProperWindowTitle()

  538. 

  539.         # Disable non-supported features

  540.         features = gCarla.utils.get_supported_features()

  541. 

  542.         if "link" not in features:

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

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

  545. 

  546.         if "juce" not in features:

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

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

  549. 

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

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

  552.             self.startTimers()

  553. 

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

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

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

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

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

  559. 

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

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

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

  563. 

  564.         # Load initial project file if set

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

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

  567. 

  568.             if projectFile:

  569.                 self.loadProjectLater(projectFile)

  570. 

  571.         # For NSM we wait for the open message

  572.         if NSM_URL and host.nsmOK:

  573.             host.nsm_ready(NSM_CALLBACK_INIT)

  574.             return

  575. 

  576.         if not host.isControl:

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

  578. 

  579.     # --------------------------------------------------------------------------------------------------------

  580.     # Setup

  581. 

  582.     def compactPlugin(self, pluginId):

  583.         if pluginId > self.fPluginCount:

  584.             return

  585. 

  586.         pitem = self.fPluginList[pluginId]

  587. 

  588.         if pitem is None:

  589.             return

  590. 

  591.         pitem.recreateWidget(True)

  592. 

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

  594.         if pluginId > self.fPluginCount:

  595.             return

  596. 

  597.         pitem = self.fPluginList[pluginId]

  598. 

  599.         if pitem is None:

  600.             return

  601. 

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

  603.         pitem.recreateWidget(newColor = color)

  604. 

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

  606.         if pluginId > self.fPluginCount:

  607.             return

  608. 

  609.         pitem = self.fPluginList[pluginId]

  610. 

  611.         if pitem is None:

  612.             return

  613. 

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

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

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

  617.         else:

  618.             pitem.recreateWidget(newSkin = skin)

  619. 

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

  621.         if pluginIdA == pluginIdB:

  622.             return

  623.         if pluginIdA < 0 or pluginIdB < 0:

  624.             return

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

  626.             return

  627. 

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

  629. 

  630.         itemA = self.fPluginList[pluginIdA]

  631.         compactA = itemA.isCompacted()

  632.         guiShownA = itemA.isGuiShown()

  633. 

  634.         itemB = self.fPluginList[pluginIdB]

  635.         compactB = itemB.isCompacted()

  636.         guiShownB = itemB.isGuiShown()

  637. 

  638.         itemA.setPluginId(pluginIdA)

  639.         itemA.recreateWidget2(compactB, guiShownB)

  640. 

  641.         itemB.setPluginId(pluginIdB)

  642.         itemB.recreateWidget2(compactA, guiShownA)

  643. 

  644.         if self.fWithCanvas:

  645.             self.slot_canvasRefresh()

  646. 

  647.     def setLoadRDFsNeeded(self):

  648.         self.fLadspaRdfNeedsUpdate = True

  649. 

  650.     def setProperWindowTitle(self):

  651.         title = self.fClientName

  652. 

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

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

  655.         if self.fSessionManagerName:

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

  657. 

  658.         self.setWindowTitle(title)

  659. 

  660.     def updateBufferSize(self, newBufferSize):

  661.         if self.fBufferSize == newBufferSize:

  662.             return

  663.         self.fBufferSize = newBufferSize

  664.         self.ui.cb_buffer_size.clear()

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

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

  667. 

  668.     def updateSampleRate(self, newSampleRate):

  669.         if self.fSampleRate == newSampleRate:

  670.             return

  671.         self.fSampleRate = newSampleRate

  672.         self.ui.cb_sample_rate.clear()

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

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

  675.         self.refreshTransport(True)

  676. 

  677.     # --------------------------------------------------------------------------------------------------------

  678.     # Files

  679. 

  680.     def makeExtraFilename(self):

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

  682. 

  683.     def loadProjectNow(self):

  684.         if not self.fProjectFilename:

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

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

  687.             return

  688. 

  689.         self.projectLoadingStarted()

  690.         self.fIsProjectLoading = True

  691. 

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

  693.             self.fIsProjectLoading = False

  694.             self.projectLoadingFinished()

  695. 

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

  697.                              self.host.get_last_error(),

  698.                              QMessageBox.Ok, QMessageBox.Ok)

  699. 

  700.     def loadProjectLater(self, filename):

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

  702.         self.setProperWindowTitle()

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

  704. 

  705.     def saveProjectNow(self):

  706.         if not self.fProjectFilename:

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

  708. 

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

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

  711.                              self.host.get_last_error(),

  712.                              QMessageBox.Ok, QMessageBox.Ok)

  713.             return

  714. 

  715.         if not self.fWithCanvas:

  716.             return

  717. 

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

  719.             json.dump({

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

  721.             }, fh)

  722. 

  723.     def projectLoadingStarted(self):

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

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

  726. 

  727.     def projectLoadingFinished(self):

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

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

  730. 

  731.         if not self.fWithCanvas:

  732.             return

  733. 

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

  735. 

  736.         extrafile = self.makeExtraFilename()

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

  738.             return

  739. 

  740.         try:

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

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

  743.         except:

  744.             return

  745. 

  746.         patchcanvas.restoreGroupPositions(canvasdata)

  747. 

  748.     # --------------------------------------------------------------------------------------------------------

  749.     # Files (menu actions)

  750. 

  751.     @pyqtSlot()

  752.     def slot_fileNew(self):

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

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

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

  756.             return

  757. 

  758.         self.pluginRemoveAll()

  759.         self.fProjectFilename = ""

  760.         self.setProperWindowTitle()

  761.         self.host.clear_project_filename()

  762. 

  763.     @pyqtSlot()

  764.     def slot_fileOpen(self):

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

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

  767. 

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

  769.         if not filename:

  770.             return

  771. 

  772.         newFile = True

  773. 

  774.         if self.fPluginCount > 0:

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

  776.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  778. 

  779.         if newFile:

  780.             self.pluginRemoveAll()

  781.             self.fProjectFilename = filename

  782.             self.setProperWindowTitle()

  783.             self.loadProjectNow()

  784.         else:

  785.             filenameOld = self.fProjectFilename

  786.             self.fProjectFilename = filename

  787.             self.loadProjectNow()

  788.             self.fProjectFilename = filenameOld

  789. 

  790.     @pyqtSlot()

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

  792.         if self.fProjectFilename and not saveAs:

  793.             return self.saveProjectNow()

  794. 

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

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

  797. 

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

  799.         if not filename:

  800.             return

  801. 

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

  803.             filename += ".carxp"

  804. 

  805.         if self.fProjectFilename != filename:

  806.             self.fProjectFilename = filename

  807.             self.setProperWindowTitle()

  808. 

  809.         self.saveProjectNow()

  810. 

  811.     @pyqtSlot()

  812.     def slot_fileSaveAs(self):

  813.         self.slot_fileSave(True)

  814. 

  815.     @pyqtSlot()

  816.     def slot_loadProjectNow(self):

  817.         self.loadProjectNow()

  818. 

  819.     # --------------------------------------------------------------------------------------------------------

  820.     # Engine (menu actions)

  821. 

  822.     @pyqtSlot()

  823.     def slot_engineStart(self):

  824.         audioDriver = setEngineSettings(self.host)

  825.         firstInit   = self.fFirstEngineInit

  826. 

  827.         self.fFirstEngineInit = False

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

  829. 

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

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

  832.                 settings = QSettings()

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

  834.                 del settings

  835.                 self.host.transport_bpm(lastBpm)

  836.             return

  837. 

  838.         elif firstInit:

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

  840.             return

  841. 

  842.         audioError = self.host.get_last_error()

  843. 

  844.         if audioError:

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

  846.         else:

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

  848. 

  849.     @pyqtSlot()

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

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

  852. 

  853.         if self.fPluginCount == 0:

  854.             self.engineStopFinal()

  855.             return True

  856. 

  857.         if not forced:

  858.             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"

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

  860.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  861.             if ask != QMessageBox.Yes:

  862.                 return False

  863. 

  864.         return self.slot_engineStopTryAgain()

  865. 

  866.     @pyqtSlot()

  867.     def slot_engineStopTryAgain(self):

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

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

  870.             return False

  871. 

  872.         self.engineStopFinal()

  873.         return True

  874. 

  875.     def engineStopFinal(self):

  876.         self.killTimers()

  877. 

  878.         if self.host.is_engine_running():

  879.             if self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  880.                 self.removeAllPlugins()

  881.             elif self.fPluginCount != 0:

  882.                 self.fCurrentlyRemovingAllPlugins = True

  883.                 self.projectLoadingStarted()

  884. 

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

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

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

  888. 

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

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

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

  892. 

  893.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  894.             self.close()

  895.         elif self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  896.             self.slot_engineStart()

  897.             self.loadProjectNow()

  898.             self.host.nsm_ready(NSM_CALLBACK_OPEN)

  899. 

  900.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  901. 

  902.     # --------------------------------------------------------------------------------------------------------

  903.     # Engine (host callbacks)

  904. 

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

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

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

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

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

  910. 

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

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

  913. 

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

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

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

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

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

  919.             self.fExternalPatchbay = False

  920.         else:

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

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

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

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

  925.             self.fExternalPatchbay = True

  926. 

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

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

  929. 

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

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

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

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

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

  935. 

  936.         if not self.host.isPlugin:

  937.             self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  938. 

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

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

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

  942. 

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

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

  945. 

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

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

  948. 

  949.         self.updateBufferSize(bufferSize)

  950.         self.updateSampleRate(int(sampleRate))

  951.         self.refreshRuntimeInfo(0.0, 0)

  952.         self.startTimers()

  953. 

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

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

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

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

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

  959. 

  960.     @pyqtSlot()

  961.     def slot_handleEngineStoppedCallback(self):

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

  963. 

  964.         patchcanvas.clear()

  965.         self.killTimers()

  966. 

  967.         # just in case

  968.         self.removeAllPlugins()

  969.         self.refreshRuntimeInfo(0.0, 0)

  970. 

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

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

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

  974. 

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

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

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

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

  979. 

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

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

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

  983. 

  984.     @pyqtSlot(int, str)

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

  986.         self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  987. 

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

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

  990. 

  991.     @pyqtSlot(int)

  992.     def slot_handleBufferSizeChangedCallback(self, newBufferSize):

  993.         self.updateBufferSize(newBufferSize)

  994. 

  995.     @pyqtSlot(float)

  996.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  997.         self.updateSampleRate(int(newSampleRate))

  998. 

  999.     @pyqtSlot(int, bool, str)

  1000.     def slot_handleCancelableActionCallback(self, pluginId, started, action):

  1001.         if self.fCancelableActionBox is not None:

  1002.             self.fCancelableActionBox.close()

  1003. 

  1004.         if started:

  1005.             self.fCancelableActionBox = QMessageBox(self)

  1006.             self.fCancelableActionBox.setIcon(QMessageBox.Critical)

  1007.             self.fCancelableActionBox.setWindowTitle(self.tr("Action in progress"))

  1008.             self.fCancelableActionBox.setText(action)

  1009.             self.fCancelableActionBox.setInformativeText(self.tr("An action is in progress, please wait..."))

  1010.             self.fCancelableActionBox.setStandardButtons(QMessageBox.Cancel)

  1011.             self.fCancelableActionBox.setDefaultButton(QMessageBox.Cancel)

  1012.             self.fCancelableActionBox.buttonClicked.connect(self.slot_canlableActionBoxClicked)

  1013.             self.fCancelableActionBox.show()

  1014. 

  1015.         else:

  1016.             self.fCancelableActionBox = None

  1017. 

  1018.     @pyqtSlot()

  1019.     def slot_canlableActionBoxClicked(self):

  1020.         self.host.cancel_engine_action()

  1021. 

  1022.     @pyqtSlot()

  1023.     def slot_handleProjectLoadFinishedCallback(self):

  1024.         self.fIsProjectLoading = False

  1025.         self.projectLoadingFinished()

  1026. 

  1027.     # --------------------------------------------------------------------------------------------------------

  1028.     # Plugins

  1029. 

  1030.     def removeAllPlugins(self):

  1031.         self.ui.act_plugin_remove_all.setEnabled(False)

  1032.         patchcanvas.handleAllPluginsRemoved()

  1033. 

  1034.         while self.ui.listWidget.takeItem(0):

  1035.             pass

  1036. 

  1037.         self.clearSideStuff()

  1038. 

  1039.         for pitem in self.fPluginList:

  1040.             if pitem is None:

  1041.                 continue

  1042. 

  1043.             pitem.close()

  1044.             del pitem

  1045. 

  1046.         self.fPluginCount = 0

  1047.         self.fPluginList  = []

  1048. 

  1049.     # --------------------------------------------------------------------------------------------------------

  1050.     # Plugins (menu actions)

  1051. 

  1052.     def showAddPluginDialog(self):

  1053.         dialog = PluginDatabaseW(self.fParentOrSelf, self.host)

  1054. 

  1055.         if not dialog.exec_():

  1056.             return

  1057. 

  1058.         if not self.host.is_engine_running():

  1059.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1060.             return

  1061. 

  1062.         btype    = dialog.fRetPlugin['build']

  1063.         ptype    = dialog.fRetPlugin['type']

  1064.         filename = dialog.fRetPlugin['filename']

  1065.         label    = dialog.fRetPlugin['label']

  1066.         uniqueId = dialog.fRetPlugin['uniqueId']

  1067.         extraPtr = self.getExtraPtr(dialog.fRetPlugin)

  1068. 

  1069.         return (btype, ptype, filename, label, uniqueId, extraPtr)

  1070. 

  1071.     def showAddJackAppDialog(self):

  1072.         dialog = JackApplicationW(self.fParentOrSelf, self.host)

  1073. 

  1074.         if not dialog.exec_():

  1075.             return

  1076. 

  1077.         if not self.host.is_engine_running():

  1078.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1079.             return

  1080. 

  1081.         return dialog.getCommandAndFlags()

  1082. 

  1083.     @pyqtSlot()

  1084.     def showPluginActionsMenu(self):

  1085.         menu = QMenu(self)

  1086. 

  1087.         menu.addSection("Plugins")

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

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

  1090. 

  1091.         menu.addSection("All plugins (macros)")

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

  1093.         menu.addAction(self.ui.act_plugins_disable)

  1094.         menu.addSeparator()

  1095.         menu.addAction(self.ui.act_plugins_volume100)

  1096.         menu.addAction(self.ui.act_plugins_mute)

  1097.         menu.addSeparator()

  1098.         menu.addAction(self.ui.act_plugins_wet100)

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

  1100.         menu.addSeparator()

  1101.         menu.addAction(self.ui.act_plugins_center)

  1102.         menu.addSeparator()

  1103.         menu.addAction(self.ui.act_plugins_compact)

  1104.         menu.addAction(self.ui.act_plugins_expand)

  1105. 

  1106.         menu.exec_(QCursor.pos())

  1107. 

  1108.     @pyqtSlot()

  1109.     def slot_pluginAdd(self):

  1110.         data = self.showAddPluginDialog()

  1111. 

  1112.         if data is None:

  1113.             return

  1114. 

  1115.         btype, ptype, filename, label, uniqueId, extraPtr = data

  1116. 

  1117.         if not self.host.add_plugin(btype, ptype, filename, None, label, uniqueId, extraPtr, 0x0):

  1118.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"), self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1119. 

  1120.     @pyqtSlot()

  1121.     def slot_confirmRemoveAll(self):

  1122.         if self.fPluginCount == 0:

  1123.             return

  1124. 

  1125.         if QMessageBox.question(self, self.tr("Remove All"),

  1126.                                       self.tr("Are you sure you want to remove all plugins?"),

  1127.                                       QMessageBox.Yes|QMessageBox.No) == QMessageBox.No:

  1128.             return

  1129. 

  1130.         self.pluginRemoveAll()

  1131. 

  1132.     def pluginRemoveAll(self):

  1133.         if self.fPluginCount == 0:

  1134.             return

  1135. 

  1136.         self.fCurrentlyRemovingAllPlugins = True

  1137.         self.projectLoadingStarted()

  1138. 

  1139.         if not self.host.remove_all_plugins():

  1140.             self.projectLoadingFinished()

  1141.             self.fCurrentlyRemovingAllPlugins = False

  1142.             CustomMessageBox(self, QMessageBox.Warning, self.tr("Error"), self.tr("Operation failed"),

  1143.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1144. 

  1145.     @pyqtSlot()

  1146.     def slot_jackAppAdd(self):

  1147.         data = self.showAddJackAppDialog()

  1148. 

  1149.         if data is None:

  1150.             return

  1151. 

  1152.         filename, name, label = data

  1153. 

  1154.         if not filename:

  1155.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Cannot add jack application"),

  1156.                                    self.tr("command is empty"), QMessageBox.Ok, QMessageBox.Ok)

  1157.             return

  1158. 

  1159.         if not self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, filename, name, label, 0, None, 0x0):

  1160.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1161.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1162. 

  1163.     # --------------------------------------------------------------------------------------------------------

  1164.     # Plugins (macros)

  1165. 

  1166.     @pyqtSlot()

  1167.     def slot_pluginsEnable(self):

  1168.         if not self.host.is_engine_running():

  1169.             return

  1170. 

  1171.         for pitem in self.fPluginList:

  1172.             if pitem is None:

  1173.                 break

  1174. 

  1175.             pitem.getWidget().setActive(True, True, True)

  1176. 

  1177.     @pyqtSlot()

  1178.     def slot_pluginsDisable(self):

  1179.         if not self.host.is_engine_running():

  1180.             return

  1181. 

  1182.         for pitem in self.fPluginList:

  1183.             if pitem is None:

  1184.                 break

  1185. 

  1186.             pitem.getWidget().setActive(False, True, True)

  1187. 

  1188.     @pyqtSlot()

  1189.     def slot_pluginsVolume100(self):

  1190.         if not self.host.is_engine_running():

  1191.             return

  1192. 

  1193.         for pitem in self.fPluginList:

  1194.             if pitem is None:

  1195.                 break

  1196. 

  1197.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 1.0)

  1198. 

  1199.     @pyqtSlot()

  1200.     def slot_pluginsMute(self):

  1201.         if not self.host.is_engine_running():

  1202.             return

  1203. 

  1204.         for pitem in self.fPluginList:

  1205.             if pitem is None:

  1206.                 break

  1207. 

  1208.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 0.0)

  1209. 

  1210.     @pyqtSlot()

  1211.     def slot_pluginsWet100(self):

  1212.         if not self.host.is_engine_running():

  1213.             return

  1214. 

  1215.         for pitem in self.fPluginList:

  1216.             if pitem is None:

  1217.                 break

  1218. 

  1219.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 1.0)

  1220. 

  1221.     @pyqtSlot()

  1222.     def slot_pluginsBypass(self):

  1223.         if not self.host.is_engine_running():

  1224.             return

  1225. 

  1226.         for pitem in self.fPluginList:

  1227.             if pitem is None:

  1228.                 break

  1229. 

  1230.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 0.0)

  1231. 

  1232.     @pyqtSlot()

  1233.     def slot_pluginsCenter(self):

  1234.         if not self.host.is_engine_running():

  1235.             return

  1236. 

  1237.         for pitem in self.fPluginList:

  1238.             if pitem is None:

  1239.                 break

  1240. 

  1241.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1242.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1243.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1244. 

  1245.     @pyqtSlot()

  1246.     def slot_pluginsCompact(self):

  1247.         for pitem in self.fPluginList:

  1248.             if pitem is None:

  1249.                 break

  1250.             pitem.compact()

  1251. 

  1252.     @pyqtSlot()

  1253.     def slot_pluginsExpand(self):

  1254.         for pitem in self.fPluginList:

  1255.             if pitem is None:

  1256.                 break

  1257.             pitem.expand()

  1258. 

  1259.     # --------------------------------------------------------------------------------------------------------

  1260.     # Plugins (host callbacks)

  1261. 

  1262.     @pyqtSlot(int, str)

  1263.     def slot_handlePluginAddedCallback(self, pluginId, pluginName):

  1264.         if pluginId != self.fPluginCount:

  1265.             print("ERROR: pluginAdded mismatch Id:", pluginId, self.fPluginCount)

  1266.             pitem = self.getPluginItem(pluginId)

  1267.             pitem.recreateWidget()

  1268.             return

  1269. 

  1270.         pitem = self.ui.listWidget.createItem(pluginId)

  1271.         self.fPluginList.append(pitem)

  1272.         self.fPluginCount += 1

  1273. 

  1274.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1275. 

  1276.     @pyqtSlot(int)

  1277.     def slot_handlePluginRemovedCallback(self, pluginId):

  1278.         patchcanvas.handlePluginRemoved(pluginId)

  1279. 

  1280.         if pluginId in self.fSelectedPlugins:

  1281.             self.clearSideStuff()

  1282. 

  1283.         if self.fPluginCount == 0:

  1284.             return

  1285. 

  1286.         pitem = self.getPluginItem(pluginId)

  1287. 

  1288.         self.fPluginCount -= 1

  1289.         self.fPluginList.pop(pluginId)

  1290.         self.ui.listWidget.takeItem(pluginId)

  1291. 

  1292.         if pitem is not None:

  1293.             pitem.close()

  1294.             del pitem

  1295. 

  1296.         if self.fPluginCount == 0:

  1297.             self.ui.act_plugin_remove_all.setEnabled(False)

  1298.             if self.fCurrentlyRemovingAllPlugins:

  1299.                 self.fCurrentlyRemovingAllPlugins = False

  1300.                 self.projectLoadingFinished()

  1301.             return

  1302. 

  1303.         # push all plugins 1 slot back

  1304.         for i in range(pluginId, self.fPluginCount):

  1305.             pitem = self.fPluginList[i]

  1306.             pitem.setPluginId(i)

  1307. 

  1308.         self.ui.act_plugin_remove_all.setEnabled(True)

  1309. 

  1310.     # --------------------------------------------------------------------------------------------------------

  1311.     # Canvas

  1312. 

  1313.     def clearSideStuff(self):

  1314.         if self.fWithCanvas:

  1315.             self.scene.clearSelection()

  1316. 

  1317.         self.fSelectedPlugins = []

  1318. 

  1319.         self.ui.keyboard.allNotesOff(False)

  1320.         self.ui.scrollArea.setEnabled(False)

  1321. 

  1322.         self.fPeaksCleared = True

  1323.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1324.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1325.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1326.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1327. 

  1328.     def setupCanvas(self):

  1329.         pOptions = patchcanvas.options_t()

  1330.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1331.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1332.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1333.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1334.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1335.         pOptions.inline_displays   = self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS]

  1336. 

  1337.         if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY]:

  1338.             pOptions.eyecandy = patchcanvas.EYECANDY_FULL

  1339.         elif self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]:

  1340.             pOptions.eyecandy = patchcanvas.EYECANDY_SMALL

  1341.         else:

  1342.             pOptions.eyecandy = patchcanvas.EYECANDY_NONE

  1343. 

  1344.         pFeatures = patchcanvas.features_t()

  1345.         pFeatures.group_info   = False

  1346.         pFeatures.group_rename = False

  1347.         pFeatures.port_info    = False

  1348.         pFeatures.port_rename  = False

  1349.         pFeatures.handle_group_pos = True

  1350. 

  1351.         patchcanvas.setOptions(pOptions)

  1352.         patchcanvas.setFeatures(pFeatures)

  1353.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1354. 

  1355.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1356. 

  1357.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1358.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1359.             self.fCanvasHeight = int(tryCanvasSize[1])

  1360.         else:

  1361.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1362.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1363. 

  1364.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1365.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1366.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1367. 

  1368.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1369.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1370. 

  1371.         if self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] != patchcanvas.ANTIALIASING_NONE:

  1372.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, True)

  1373. 

  1374.             fullAA = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] == patchcanvas.ANTIALIASING_FULL

  1375.             self.ui.graphicsView.setRenderHint(QPainter.SmoothPixmapTransform, fullAA)

  1376.             self.ui.graphicsView.setRenderHint(QPainter.TextAntialiasing, fullAA)

  1377. 

  1378.             if self.fSavedSettings[CARLA_KEY_CANVAS_USE_OPENGL] and hasGL:

  1379.                 self.ui.graphicsView.setRenderHint(QPainter.HighQualityAntialiasing, self.fSavedSettings[CARLA_KEY_CANVAS_HQ_ANTIALIASING])

  1380. 

  1381.         else:

  1382.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, False)

  1383. 

  1384.         if self.fSavedSettings[CARLA_KEY_CANVAS_FULL_REPAINTS]:

  1385.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.FullViewportUpdate)

  1386.         else:

  1387.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.MinimalViewportUpdate)

  1388. 

  1389.     def updateCanvasInitialPos(self):

  1390.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1391.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1392.         patchcanvas.setInitialPos(x, y)

  1393. 

  1394.     def updateMiniCanvasLater(self):

  1395.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1396. 

  1397.     # --------------------------------------------------------------------------------------------------------

  1398.     # Canvas (menu actions)

  1399. 

  1400.     @pyqtSlot()

  1401.     def slot_canvasShowInternal(self):

  1402.         self.fExternalPatchbay = False

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

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

  1405.         self.ui.act_canvas_show_internal.setChecked(True)

  1406.         self.ui.act_canvas_show_external.setChecked(False)

  1407.         self.ui.act_canvas_show_internal.blockSignals(False)

  1408.         self.ui.act_canvas_show_external.blockSignals(False)

  1409.         self.slot_canvasRefresh()

  1410. 

  1411.     @pyqtSlot()

  1412.     def slot_canvasShowExternal(self):

  1413.         self.fExternalPatchbay = True

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

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

  1416.         self.ui.act_canvas_show_internal.setChecked(False)

  1417.         self.ui.act_canvas_show_external.setChecked(True)

  1418.         self.ui.act_canvas_show_internal.blockSignals(False)

  1419.         self.ui.act_canvas_show_external.blockSignals(False)

  1420.         self.slot_canvasRefresh()

  1421. 

  1422.     @pyqtSlot()

  1423.     def slot_canvasArrange(self):

  1424.         patchcanvas.arrange()

  1425. 

  1426.     @pyqtSlot()

  1427.     def slot_canvasRefresh(self):

  1428.         patchcanvas.clear()

  1429. 

  1430.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1431.             return

  1432. 

  1433.         if self.host.is_engine_running():

  1434.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1435. 

  1436.         self.updateMiniCanvasLater()

  1437. 

  1438.     @pyqtSlot()

  1439.     def slot_canvasZoomFit(self):

  1440.         self.scene.zoom_fit()

  1441. 

  1442.     @pyqtSlot()

  1443.     def slot_canvasZoomIn(self):

  1444.         self.scene.zoom_in()

  1445. 

  1446.     @pyqtSlot()

  1447.     def slot_canvasZoomOut(self):

  1448.         self.scene.zoom_out()

  1449. 

  1450.     @pyqtSlot()

  1451.     def slot_canvasZoomReset(self):

  1452.         self.scene.zoom_reset()

  1453. 

  1454.     @pyqtSlot()

  1455.     def slot_canvasSaveImage(self):

  1456.         newPath, ok = QFileDialog.getSaveFileName(self, self.tr("Save Image"), filter=self.tr("PNG Image (*.png);;JPEG Image (*.jpg)"))

  1457. 

  1458.         # FIXME use ok value, test if it works as expected

  1459.         if not newPath:

  1460.             return

  1461. 

  1462.         self.scene.clearSelection()

  1463. 

  1464.         if newPath.lower().endswith((".jpg", ".jpeg")):

  1465.             imgFormat = "JPG"

  1466.         elif newPath.lower().endswith((".png",)):

  1467.             imgFormat = "PNG"

  1468.         else:

  1469.             # File-dialog may not auto-add the extension

  1470.             imgFormat = "PNG"

  1471.             newPath  += ".png"

  1472. 

  1473.         self.fExportImage = QImage(self.scene.sceneRect().width(), self.scene.sceneRect().height(), QImage.Format_RGB32)

  1474.         painter = QPainter(self.fExportImage)

  1475.         painter.save()

  1476.         painter.setRenderHint(QPainter.Antialiasing) # TODO - set true, cleanup this

  1477.         painter.setRenderHint(QPainter.TextAntialiasing)

  1478.         self.scene.render(painter)

  1479.         self.fExportImage.save(newPath, imgFormat, 100)

  1480.         painter.restore()

  1481. 

  1482.     # --------------------------------------------------------------------------------------------------------

  1483.     # Canvas (canvas callbacks)

  1484. 

  1485.     @pyqtSlot(int, int, QPointF)

  1486.     def slot_canvasItemMoved(self, group_id, split_mode, pos):

  1487.         self.updateMiniCanvasLater()

  1488. 

  1489.     @pyqtSlot()

  1490.     def slot_canvasSelectionChanged(self):

  1491.         self.updateMiniCanvasLater()

  1492. 

  1493.     @pyqtSlot(float)

  1494.     def slot_canvasScaleChanged(self, scale):

  1495.         self.ui.miniCanvasPreview.setViewScale(scale)

  1496. 

  1497.     @pyqtSlot(list)

  1498.     def slot_canvasPluginSelected(self, pluginList):

  1499.         self.ui.keyboard.allNotesOff(False)

  1500.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1501.         self.fSelectedPlugins = pluginList

  1502. 

  1503.     # --------------------------------------------------------------------------------------------------------

  1504.     # Canvas (host callbacks)

  1505. 

  1506.     @pyqtSlot(int, int, int, str)

  1507.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1508.         pcSplit = patchcanvas.SPLIT_UNDEF

  1509.         pcIcon  = patchcanvas.ICON_APPLICATION

  1510. 

  1511.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1512.             pcIcon = patchcanvas.ICON_PLUGIN

  1513.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1514.             pcIcon = patchcanvas.ICON_HARDWARE

  1515.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1516.             pass

  1517.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1518.             pcIcon = patchcanvas.ICON_DISTRHO

  1519.         elif clientIcon == PATCHBAY_ICON_FILE:

  1520.             pcIcon = patchcanvas.ICON_FILE

  1521. 

  1522.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1523. 

  1524.         self.updateMiniCanvasLater()

  1525. 

  1526.         if pluginId < 0:

  1527.             return

  1528.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1529.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1530.             return

  1531. 

  1532.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1533.             hasCustomUI = False

  1534.             hasInlineDisplay = False

  1535.         else:

  1536.             hints = self.host.get_plugin_info(pluginId)['hints']

  1537.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1538.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1539. 

  1540.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1541. 

  1542.     @pyqtSlot(int)

  1543.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1544.         patchcanvas.removeGroup(clientId)

  1545.         self.updateMiniCanvasLater()

  1546. 

  1547.     @pyqtSlot(int, str)

  1548.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1549.         patchcanvas.renameGroup(clientId, newClientName)

  1550.         self.updateMiniCanvasLater()

  1551. 

  1552.     @pyqtSlot(int, int, int)

  1553.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1554.         pcIcon = patchcanvas.ICON_APPLICATION

  1555. 

  1556.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1557.             pcIcon = patchcanvas.ICON_PLUGIN

  1558.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1559.             pcIcon = patchcanvas.ICON_HARDWARE

  1560.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1561.             pass

  1562.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1563.             pcIcon = patchcanvas.ICON_DISTRHO

  1564.         elif clientIcon == PATCHBAY_ICON_FILE:

  1565.             pcIcon = patchcanvas.ICON_FILE

  1566. 

  1567.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1568.         self.updateMiniCanvasLater()

  1569. 

  1570.         if pluginId < 0:

  1571.             return

  1572.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1573.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1574.             return

  1575. 

  1576.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1577.             hasCustomUI = False

  1578.             hasInlineDisplay = False

  1579.         else:

  1580.             hints = self.host.get_plugin_info(pluginId)['hints']

  1581.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1582.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1583. 

  1584.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1585. 

  1586.     @pyqtSlot(int, int, int, str)

  1587.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portName):

  1588.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1589.             portMode = patchcanvas.PORT_MODE_INPUT

  1590.         else:

  1591.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1592. 

  1593.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1594.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1595.             isAlternate = False

  1596.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1597.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1598.             isAlternate = True

  1599.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1600.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1601.             isAlternate = False

  1602.         else:

  1603.             portType    = patchcanvas.PORT_TYPE_NULL

  1604.             isAlternate = False

  1605. 

  1606.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1607.         self.updateMiniCanvasLater()

  1608. 

  1609.     @pyqtSlot(int, int)

  1610.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  1611.         patchcanvas.removePort(groupId, portId)

  1612.         self.updateMiniCanvasLater()

  1613. 

  1614.     @pyqtSlot(int, int, str)

  1615.     def slot_handlePatchbayPortRenamedCallback(self, groupId, portId, newPortName):

  1616.         patchcanvas.renamePort(groupId, portId, newPortName)

  1617.         self.updateMiniCanvasLater()

  1618. 

  1619.     @pyqtSlot(int, int, int, int, int)

  1620.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1621.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1622.         self.updateMiniCanvasLater()

  1623. 

  1624.     @pyqtSlot(int, int, int)

  1625.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1626.         patchcanvas.disconnectPorts(connectionId)

  1627.         self.updateMiniCanvasLater()

  1628. 

  1629.     # --------------------------------------------------------------------------------------------------------

  1630.     # Settings

  1631. 

  1632.     def saveSettings(self):

  1633.         settings = QSettings()

  1634. 

  1635.         settings.setValue("Geometry", self.saveGeometry())

  1636.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  1637. 

  1638.         if not self.host.isControl:

  1639.             settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  1640. 

  1641.         diskFolders = []

  1642. 

  1643.         for i in range(self.ui.cb_disk.count()):

  1644.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1645. 

  1646.         settings.setValue("DiskFolders", diskFolders)

  1647.         settings.setValue("LastBPM", self.fLastTransportBPM)

  1648. 

  1649.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1650.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1651.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1652.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1653. 

  1654.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_MODE,  self.host.transportMode)

  1655.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, self.host.transportExtra)

  1656. 

  1657.         return settings

  1658. 

  1659.     def loadSettings(self, firstTime):

  1660.         settings = QSettings()

  1661. 

  1662.         if firstTime:

  1663.             self.restoreGeometry(settings.value("Geometry", b""))

  1664. 

  1665.             showToolbar = settings.value("ShowToolbar", True, type=bool)

  1666.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1667.             self.ui.toolBar.setEnabled(showToolbar)

  1668.             self.ui.toolBar.setVisible(showToolbar)

  1669. 

  1670.             #if settings.contains("SplitterState"):

  1671.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  1672.             #else:

  1673.                 #self.ui.splitter.setSizes([210, 99999])

  1674. 

  1675.             showSidePanel = settings.value("ShowSidePanel", True, type=bool) and not self.host.isControl

  1676.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  1677.             self.slot_showSidePanel(showSidePanel)

  1678. 

  1679.             diskFolders = toList(settings.value("DiskFolders", [HOME]))

  1680. 

  1681.             self.ui.cb_disk.setItemData(0, HOME)

  1682. 

  1683.             for i in range(len(diskFolders)):

  1684.                 if i == 0: continue

  1685.                 folder = diskFolders[i]

  1686.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1687. 

  1688.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, type=bool):

  1689.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1690. 

  1691.             showMeters = settings.value("ShowMeters", True, type=bool)

  1692.             self.ui.act_settings_show_meters.setChecked(showMeters)

  1693.             self.ui.peak_in.setVisible(showMeters)

  1694.             self.ui.peak_out.setVisible(showMeters)

  1695. 

  1696.             showKeyboard = settings.value("ShowKeyboard", True, type=bool)

  1697.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  1698.             self.ui.scrollArea.setVisible(showKeyboard)

  1699. 

  1700.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  1701. 

  1702.         # TODO - complete this

  1703. 

  1704.         self.fSavedSettings = {

  1705.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      type=str),

  1706.             CARLA_KEY_MAIN_CONFIRM_EXIT:        settings.value(CARLA_KEY_MAIN_CONFIRM_EXIT,        CARLA_DEFAULT_MAIN_CONFIRM_EXIT,        type=bool),

  1707.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    type=int),

  1708.             CARLA_KEY_MAIN_EXPERIMENTAL:        settings.value(CARLA_KEY_MAIN_EXPERIMENTAL,        CARLA_DEFAULT_MAIN_EXPERIMENTAL,        type=bool),

  1709.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             type=str),

  1710.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              type=str),

  1711.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  type=bool),

  1712.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, type=bool),

  1713.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  type=bool),

  1714.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         type=bool),

  1715.             CARLA_KEY_CANVAS_FANCY_EYE_CANDY:   settings.value(CARLA_KEY_CANVAS_FANCY_EYE_CANDY,   CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY,   type=bool),

  1716.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        type=bool),

  1717.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      type=int),

  1718.             CARLA_KEY_CANVAS_HQ_ANTIALIASING:   settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   type=bool),

  1719.             CARLA_KEY_CANVAS_FULL_REPAINTS:     settings.value(CARLA_KEY_CANVAS_FULL_REPAINTS,     CARLA_DEFAULT_CANVAS_FULL_REPAINTS,     type=bool),

  1720.             CARLA_KEY_CANVAS_INLINE_DISPLAYS:   settings.value(CARLA_KEY_CANVAS_INLINE_DISPLAYS,   CARLA_DEFAULT_CANVAS_INLINE_DISPLAYS,   type=bool),

  1721.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   type=bool) and

  1722.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", type=str).lower() == "black"),

  1723.         }

  1724. 

  1725.         settings2 = QSettings("falkTX", "Carla2")

  1726. 

  1727.         if self.host.experimental:

  1728.             visible = settings2.value(CARLA_KEY_EXPERIMENTAL_JACK_APPS, CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS, type=bool)

  1729.             self.ui.act_add_jack.setVisible(visible)

  1730.             self.ui.act_plugin_add_jack.setVisible(visible)

  1731.         else:

  1732.             self.ui.act_add_jack.setVisible(False)

  1733.             self.ui.act_plugin_add_jack.setVisible(False)

  1734. 

  1735.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY] else 0

  1736. 

  1737.         setEngineSettings(self.host)

  1738.         self.restartTimersIfNeeded()

  1739. 

  1740.         return settings

  1741. 

  1742.     # --------------------------------------------------------------------------------------------------------

  1743.     # Settings (helpers)

  1744. 

  1745.     def enableTransport(self, enabled):

  1746.         self.ui.group_transport_controls.setEnabled(enabled)

  1747.         self.ui.group_transport_settings.setEnabled(enabled)

  1748. 

  1749.     @pyqtSlot()

  1750.     def slot_restoreCanvasScrollbarValues(self):

  1751.         settings = QSettings()

  1752.         self.ui.graphicsView.horizontalScrollBar().setValue(settings.value("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().maximum()/2, type=int))

  1753.         self.ui.graphicsView.verticalScrollBar().setValue(settings.value("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().maximum()/2, type=int))

  1754. 

  1755.     # --------------------------------------------------------------------------------------------------------

  1756.     # Settings (menu actions)

  1757. 

  1758.     @pyqtSlot(bool)

  1759.     def slot_showSidePanel(self, yesNo):

  1760.         self.ui.dockWidget.setEnabled(yesNo)

  1761.         self.ui.dockWidget.setVisible(yesNo)

  1762. 

  1763.     @pyqtSlot(bool)

  1764.     def slot_showToolbar(self, yesNo):

  1765.         self.ui.toolBar.setEnabled(yesNo)

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

  1767. 

  1768.     @pyqtSlot(bool)

  1769.     def slot_showCanvasMeters(self, yesNo):

  1770.         self.ui.peak_in.setVisible(yesNo)

  1771.         self.ui.peak_out.setVisible(yesNo)

  1772.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1773. 

  1774.     @pyqtSlot(bool)

  1775.     def slot_showCanvasKeyboard(self, yesNo):

  1776.         self.ui.scrollArea.setVisible(yesNo)

  1777.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1778. 

  1779.     @pyqtSlot()

  1780.     def slot_configureCarla(self):

  1781.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  1782.         if not dialog.exec_():

  1783.             return

  1784. 

  1785.         self.loadSettings(False)

  1786. 

  1787.         patchcanvas.clear()

  1788. 

  1789.         self.setupCanvas()

  1790.         self.slot_miniCanvasCheckAll()

  1791. 

  1792.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1793.             pass

  1794.         elif self.host.is_engine_running():

  1795.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1796. 

  1797.     # --------------------------------------------------------------------------------------------------------

  1798.     # About (menu actions)

  1799. 

  1800.     @pyqtSlot()

  1801.     def slot_aboutCarla(self):

  1802.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  1803. 

  1804.     @pyqtSlot()

  1805.     def slot_aboutJuce(self):

  1806.         JuceAboutW(self.fParentOrSelf).exec_()

  1807. 

  1808.     @pyqtSlot()

  1809.     def slot_aboutQt(self):

  1810.         QApplication.instance().aboutQt()

  1811. 

  1812.     # --------------------------------------------------------------------------------------------------------

  1813.     # Disk (menu actions)

  1814. 

  1815.     @pyqtSlot(int)

  1816.     def slot_diskFolderChanged(self, index):

  1817.         if index < 0:

  1818.             return

  1819.         elif index == 0:

  1820.             filename = HOME

  1821.             self.ui.b_disk_remove.setEnabled(False)

  1822.         else:

  1823.             filename = self.ui.cb_disk.itemData(index)

  1824.             self.ui.b_disk_remove.setEnabled(True)

  1825. 

  1826.         self.fDirModel.setRootPath(filename)

  1827.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  1828. 

  1829.     @pyqtSlot()

  1830.     def slot_diskFolderAdd(self):

  1831.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  1832. 

  1833.         if newPath:

  1834.             if newPath[-1] == os.sep:

  1835.                 newPath = newPath[:-1]

  1836.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  1837.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  1838.             self.ui.b_disk_remove.setEnabled(True)

  1839. 

  1840.     @pyqtSlot()

  1841.     def slot_diskFolderRemove(self):

  1842.         index = self.ui.cb_disk.currentIndex()

  1843. 

  1844.         if index <= 0:

  1845.             return

  1846. 

  1847.         self.ui.cb_disk.removeItem(index)

  1848. 

  1849.         if self.ui.cb_disk.currentIndex() == 0:

  1850.             self.ui.b_disk_remove.setEnabled(False)

  1851. 

  1852.     @pyqtSlot(QModelIndex)

  1853.     def slot_fileTreeDoubleClicked(self, modelIndex):

  1854.         filename = self.fDirModel.filePath(modelIndex)

  1855. 

  1856.         if not self.ui.listWidget.isDragUrlValid(filename):

  1857.             return

  1858. 

  1859.         if not self.host.load_file(filename):

  1860.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  1861.                              self.tr("Failed to load file"),

  1862.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1863. 

  1864.     # --------------------------------------------------------------------------------------------------------

  1865.     # Transport

  1866. 

  1867.     def refreshTransport(self, forced = False):

  1868.         if not self.ui.l_transport_time.isVisible():

  1869.             return

  1870.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  1871.             return

  1872. 

  1873.         timeInfo = self.host.get_transport_info()

  1874.         playing  = timeInfo['playing']

  1875.         frame    = timeInfo['frame']

  1876.         bpm      = timeInfo['bpm']

  1877. 

  1878.         if playing != self.fLastTransportState or forced:

  1879.             if playing:

  1880.                 icon = QIcon(":/16x16/media-playback-pause.svgz")

  1881.                 self.ui.b_transport_play.setChecked(True)

  1882.                 self.ui.b_transport_play.setIcon(icon)

  1883.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  1884.             else:

  1885.                 icon = QIcon(":/16x16/media-playback-start.svgz")

  1886.                 self.ui.b_transport_play.setChecked(False)

  1887.                 self.ui.b_transport_play.setIcon(icon)

  1888.                 #self.ui.b_play.setText(self.tr("&Play"))

  1889. 

  1890.             self.fLastTransportState = playing

  1891. 

  1892.         if frame != self.fLastTransportFrame or forced:

  1893.             self.fLastTransportFrame = frame

  1894. 

  1895.             time = frame / self.fSampleRate

  1896.             secs =  time % 60

  1897.             mins = (time / 60) % 60

  1898.             hrs  = (time / 3600) % 60

  1899.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  1900. 

  1901.             frame1 =  frame % 1000

  1902.             frame2 = (frame / 1000) % 1000

  1903.             frame3 = (frame / 1000000) % 1000

  1904.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  1905. 

  1906.             bar  = timeInfo['bar']

  1907.             beat = timeInfo['beat']

  1908.             tick = timeInfo['tick']

  1909.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  1910. 

  1911.         if bpm != self.fLastTransportBPM or forced:

  1912.             self.fLastTransportBPM = bpm

  1913. 

  1914.             if bpm > 0.0:

  1915.                 self.ui.dsb_transport_bpm.blockSignals(True)

  1916.                 self.ui.dsb_transport_bpm.setValue(bpm)

  1917.                 self.ui.dsb_transport_bpm.blockSignals(False)

  1918.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  1919.             else:

  1920.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  1921. 

  1922.     # --------------------------------------------------------------------------------------------------------

  1923.     # Transport (menu actions)

  1924. 

  1925.     @pyqtSlot(bool)

  1926.     def slot_transportPlayPause(self, toggled):

  1927.         if self.host.isPlugin or not self.host.is_engine_running():

  1928.             return

  1929. 

  1930.         if toggled:

  1931.             self.host.transport_play()

  1932.         else:

  1933.             self.host.transport_pause()

  1934. 

  1935.         self.refreshTransport()

  1936. 

  1937.     @pyqtSlot()

  1938.     def slot_transportStop(self):

  1939.         if self.host.isPlugin or not self.host.is_engine_running():

  1940.             return

  1941. 

  1942.         self.host.transport_pause()

  1943.         self.host.transport_relocate(0)

  1944. 

  1945.         self.refreshTransport()

  1946. 

  1947.     @pyqtSlot()

  1948.     def slot_transportBackwards(self):

  1949.         if self.host.isPlugin or not self.host.is_engine_running():

  1950.             return

  1951. 

  1952.         newFrame = self.host.get_current_transport_frame() - 100000

  1953. 

  1954.         if newFrame < 0:

  1955.             newFrame = 0

  1956. 

  1957.         self.host.transport_relocate(newFrame)

  1958. 

  1959.     @pyqtSlot(float)

  1960.     def slot_transportBpmChanged(self, newValue):

  1961.         self.host.transport_bpm(newValue)

  1962. 

  1963.     @pyqtSlot()

  1964.     def slot_transportForwards(self):

  1965.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  1966.             return

  1967. 

  1968.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  1969.         self.host.transport_relocate(newFrame)

  1970. 

  1971.     @pyqtSlot(bool)

  1972.     def slot_transportJackEnabled(self, clicked):

  1973.         if not self.host.is_engine_running():

  1974.             return

  1975.         self.host.transportMode = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  1976.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  1977.                                     self.host.transportMode,

  1978.                                     self.host.transportExtra)

  1979. 

  1980.     @pyqtSlot(bool)

  1981.     def slot_transportLinkEnabled(self, clicked):

  1982.         if not self.host.is_engine_running():

  1983.             return

  1984.         extra = ":link:" if clicked else ""

  1985.         self.host.transportExtra = extra

  1986.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  1987.                                     self.host.transportMode,

  1988.                                     self.host.transportExtra)

  1989. 

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

  1991.     # Other

  1992. 

  1993.     @pyqtSlot(bool)

  1994.     def slot_xrunClear(self):

  1995.         self.host.clear_engine_xruns()

  1996. 

  1997.     # --------------------------------------------------------------------------------------------------------

  1998.     # Canvas scrollbars

  1999. 

  2000.     @pyqtSlot(int)

  2001.     def slot_horizontalScrollBarChanged(self, value):

  2002.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  2003.         if maximum == 0:

  2004.             xp = 0

  2005.         else:

  2006.             xp = float(value) / maximum

  2007.         self.ui.miniCanvasPreview.setViewPosX(xp)

  2008.         self.updateCanvasInitialPos()

  2009. 

  2010.     @pyqtSlot(int)

  2011.     def slot_verticalScrollBarChanged(self, value):

  2012.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  2013.         if maximum == 0:

  2014.             yp = 0

  2015.         else:

  2016.             yp = float(value) / maximum

  2017.         self.ui.miniCanvasPreview.setViewPosY(yp)

  2018.         self.updateCanvasInitialPos()

  2019. 

  2020.     # --------------------------------------------------------------------------------------------------------

  2021.     # Canvas keyboard

  2022. 

  2023.     @pyqtSlot(int)

  2024.     def slot_noteOn(self, note):

  2025.         for pluginId in self.fSelectedPlugins:

  2026.             self.host.send_midi_note(pluginId, 0, note, 100)

  2027. 

  2028.             pedit = self.getPluginEditDialog(pluginId)

  2029.             pedit.noteOn(0, note, 100)

  2030. 

  2031.     @pyqtSlot(int)

  2032.     def slot_noteOff(self, note):

  2033.         for pluginId in self.fSelectedPlugins:

  2034.             self.host.send_midi_note(pluginId, 0, note, 0)

  2035. 

  2036.             pedit = self.getPluginEditDialog(pluginId)

  2037.             pedit.noteOff(0, note)

  2038. 

  2039.     # --------------------------------------------------------------------------------------------------------

  2040.     # Canvas keyboard (host callbacks)

  2041. 

  2042.     @pyqtSlot(int, int, int, int)

  2043.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  2044.         if pluginId in self.fSelectedPlugins:

  2045.             self.ui.keyboard.sendNoteOn(note, False)

  2046. 

  2047.     @pyqtSlot(int, int, int)

  2048.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  2049.         if pluginId in self.fSelectedPlugins:

  2050.             self.ui.keyboard.sendNoteOff(note, False)

  2051. 

  2052.     # --------------------------------------------------------------------------------------------------------

  2053. 

  2054.     @pyqtSlot(int)

  2055.     def slot_handleUpdateCallback(self, pluginId):

  2056.         pitem = self.getPluginItem(pluginId)

  2057. 

  2058.         if pitem is None:

  2059.             return

  2060. 

  2061.         wasCompacted = pitem.isCompacted()

  2062.         isCompacted  = wasCompacted

  2063. 

  2064.         check = self.host.get_custom_data_value(pluginId, CUSTOM_DATA_TYPE_PROPERTY, "CarlaSkinIsCompacted")

  2065.         if not check:

  2066.             return

  2067.         isCompacted = bool(check == "true")

  2068. 

  2069.         if wasCompacted == isCompacted:

  2070.             return

  2071. 

  2072.         pitem.recreateWidget(True)

  2073. 

  2074.     # --------------------------------------------------------------------------------------------------------

  2075.     # MiniCanvas stuff

  2076. 

  2077.     @pyqtSlot()

  2078.     def slot_miniCanvasCheckAll(self):

  2079.         self.slot_miniCanvasCheckSize()

  2080.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  2081.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  2082. 

  2083.     @pyqtSlot()

  2084.     def slot_miniCanvasCheckSize(self):

  2085.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  2086.             return

  2087. 

  2088.         currentIndex = self.ui.tabWidget.currentIndex()

  2089. 

  2090.         if currentIndex == 1:

  2091.             width  = self.ui.graphicsView.width()

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

  2093.         else:

  2094.             self.ui.tabWidget.blockSignals(True)

  2095.             self.ui.tabWidget.setCurrentIndex(1)

  2096.             width  = self.ui.graphicsView.width()

  2097.             height = self.ui.graphicsView.height()

  2098.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  2099.             self.ui.tabWidget.blockSignals(False)

  2100. 

  2101.         self.scene.updateLimits()

  2102. 

  2103.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  2104. 

  2105.     @pyqtSlot(float, float)

  2106.     def slot_miniCanvasMoved(self, xp, yp):

  2107.         hsb = self.ui.graphicsView.horizontalScrollBar()

  2108.         vsb = self.ui.graphicsView.verticalScrollBar()

  2109.         hsb.setValue(xp * hsb.maximum())

  2110.         vsb.setValue(yp * vsb.maximum())

  2111.         self.updateCanvasInitialPos()

  2112. 

  2113.     # --------------------------------------------------------------------------------------------------------

  2114.     # Timers

  2115. 

  2116.     def startTimers(self):

  2117.         if self.fIdleTimerFast == 0:

  2118.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2119. 

  2120.         if self.fIdleTimerSlow == 0:

  2121.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2122. 

  2123.     def restartTimersIfNeeded(self):

  2124.         if self.fIdleTimerFast != 0:

  2125.             self.killTimer(self.fIdleTimerFast)

  2126.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2127. 

  2128.         if self.fIdleTimerSlow != 0:

  2129.             self.killTimer(self.fIdleTimerSlow)

  2130.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2131. 

  2132.     def killTimers(self):

  2133.         if self.fIdleTimerFast != 0:

  2134.             self.killTimer(self.fIdleTimerFast)

  2135.             self.fIdleTimerFast = 0

  2136. 

  2137.         if self.fIdleTimerSlow != 0:

  2138.             self.killTimer(self.fIdleTimerSlow)

  2139.             self.fIdleTimerSlow = 0

  2140. 

  2141.     # --------------------------------------------------------------------------------------------------------

  2142.     # Misc

  2143. 

  2144.     @pyqtSlot(int)

  2145.     def slot_tabChanged(self, index):

  2146.         if index != 1:

  2147.             return

  2148. 

  2149.         self.ui.graphicsView.setFocus()

  2150. 

  2151.     @pyqtSlot(int)

  2152.     def slot_handleReloadAllCallback(self, pluginId):

  2153.         if pluginId >= self.fPluginCount:

  2154.             return

  2155. 

  2156.         pitem = self.fPluginList[pluginId]

  2157.         if pitem is None:

  2158.             return

  2159. 

  2160.         pitem.recreateWidget()

  2161. 

  2162.     # --------------------------------------------------------------------------------------------------------

  2163. 

  2164.     @pyqtSlot(int, int, str)

  2165.     def slot_handleNSMCallback(self, opcode, valueInt, valueStr):

  2166.         if opcode == NSM_CALLBACK_INIT:

  2167.             return

  2168. 

  2169.         # Error

  2170.         elif opcode == NSM_CALLBACK_ERROR:

  2171.             pass

  2172. 

  2173.         # Reply

  2174.         elif opcode == NSM_CALLBACK_ANNOUNCE:

  2175.             self.fFirstEngineInit    = False

  2176.             self.fSessionManagerName = valueStr

  2177.             self.setProperWindowTitle()

  2178. 

  2179.         # Open

  2180.         elif opcode == NSM_CALLBACK_OPEN:

  2181.             self.fClientName      = os.path.basename(valueStr)

  2182.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  2183.             self.setProperWindowTitle()

  2184. 

  2185.             self.fCustomStopAction = self.CUSTOM_ACTION_PROJECT_LOAD

  2186.             self.slot_engineStop(True)

  2187.             return

  2188. 

  2189.         # Save

  2190.         elif opcode == NSM_CALLBACK_SAVE:

  2191.             self.saveProjectNow()

  2192. 

  2193.         # Session is Loaded

  2194.         elif opcode == NSM_CALLBACK_SESSION_IS_LOADED:

  2195.             pass

  2196. 

  2197.         # Show Optional Gui

  2198.         elif opcode == NSM_CALLBACK_SHOW_OPTIONAL_GUI:

  2199.             self.show()

  2200. 

  2201.         # Hide Optional Gui

  2202.         elif opcode == NSM_CALLBACK_HIDE_OPTIONAL_GUI:

  2203.             self.hide()

  2204. 

  2205.         self.host.nsm_ready(opcode)

  2206. 

  2207.     # --------------------------------------------------------------------------------------------------------

  2208. 

  2209.     def fixLogText(self, text):

  2210.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  2211. 

  2212.     @pyqtSlot(int, int, int, int, float, str)

  2213.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valuef, valueStr):

  2214.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  2215. 

  2216.     @pyqtSlot(str)

  2217.     def slot_handleInfoCallback(self, info):

  2218.         QMessageBox.information(self, "Information", info)

  2219. 

  2220.     @pyqtSlot(str)

  2221.     def slot_handleErrorCallback(self, error):

  2222.         QMessageBox.critical(self, "Error", error)

  2223. 

  2224.     @pyqtSlot()

  2225.     def slot_handleQuitCallback(self):

  2226.         self.fIsProjectLoading = False

  2227.         self.killTimers()

  2228.         self.removeAllPlugins()

  2229.         self.projectLoadingFinished()

  2230. 

  2231.     @pyqtSlot(int)

  2232.     def slot_handleInlineDisplayRedrawCallback(self, pluginId):

  2233.         # FIXME

  2234.         if self.fIdleTimerSlow != 0 and self.fIdleTimerFast != 0 and pluginId < self.fPluginCount and not self.fIsProjectLoading:

  2235.             patchcanvas.redrawPluginGroup(pluginId)

  2236. 

  2237.     # --------------------------------------------------------------------------------------------------------

  2238. 

  2239.     @pyqtSlot()

  2240.     def slot_handleSIGUSR1(self):

  2241.         print("Got SIGUSR1 -> Saving project now")

  2242.         self.slot_fileSave()

  2243. 

  2244.     @pyqtSlot()

  2245.     def slot_handleSIGTERM(self):

  2246.         print("Got SIGTERM -> Closing now")

  2247.         self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2248.         self.slot_engineStop(True)

  2249. 

  2250.     # --------------------------------------------------------------------------------------------------------

  2251.     # Internal stuff

  2252. 

  2253.     def getExtraPtr(self, plugin):

  2254.         ptype = plugin['type']

  2255. 

  2256.         if ptype == PLUGIN_LADSPA:

  2257.             uniqueId = plugin['uniqueId']

  2258. 

  2259.             self.maybeLoadRDFs()

  2260. 

  2261.             for rdfItem in self.fLadspaRdfList:

  2262.                 if rdfItem.UniqueID == uniqueId:

  2263.                     return pointer(rdfItem)

  2264. 

  2265.         elif ptype == PLUGIN_SF2:

  2266.             if plugin['name'].lower().endswith(" (16 outputs)"):

  2267.                 return self._true

  2268. 

  2269.         return None

  2270. 

  2271.     def maybeLoadRDFs(self):

  2272.         if not self.fLadspaRdfNeedsUpdate:

  2273.             return

  2274. 

  2275.         self.fLadspaRdfNeedsUpdate = False

  2276.         self.fLadspaRdfList = []

  2277. 

  2278.         if not haveLRDF:

  2279.             return

  2280. 

  2281.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  2282.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  2283. 

  2284.         if os.path.exists(frLadspaFile):

  2285.             frLadspa = open(frLadspaFile, 'r')

  2286. 

  2287.             try:

  2288.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  2289.             except:

  2290.                 pass

  2291. 

  2292.             frLadspa.close()

  2293. 

  2294.     # --------------------------------------------------------------------------------------------------------

  2295. 

  2296.     def getPluginCount(self):

  2297.         return self.fPluginCount

  2298. 

  2299.     def getPluginItem(self, pluginId):

  2300.         if pluginId >= self.fPluginCount:

  2301.             return None

  2302. 

  2303.         pitem = self.fPluginList[pluginId]

  2304.         if pitem is None:

  2305.             return None

  2306.         #if False:

  2307.             #return CarlaRackItem(self, 0, False)

  2308. 

  2309.         return pitem

  2310. 

  2311.     def getPluginEditDialog(self, pluginId):

  2312.         if pluginId >= self.fPluginCount:

  2313.             return None

  2314. 

  2315.         pitem = self.fPluginList[pluginId]

  2316.         if pitem is None:

  2317.             return None

  2318.         if False:

  2319.             return PluginEdit(self, self.host, 0)

  2320. 

  2321.         return pitem.getEditDialog()

  2322. 

  2323.     def getPluginSlotWidget(self, pluginId):

  2324.         if pluginId >= self.fPluginCount:

  2325.             return None

  2326. 

  2327.         pitem = self.fPluginList[pluginId]

  2328.         if pitem is None:

  2329.             return None

  2330.         #if False:

  2331.             #return AbstractPluginSlot()

  2332. 

  2333.         return pitem.getWidget()

  2334. 

  2335.     # --------------------------------------------------------------------------------------------------------

  2336. 

  2337.     def waitForPendingEvents(self):

  2338.         pass

  2339. 

  2340.     # --------------------------------------------------------------------------------------------------------

  2341.     # show/hide event

  2342. 

  2343.     def showEvent(self, event):

  2344.         self.getAndRefreshRuntimeInfo()

  2345.         self.refreshTransport(True)

  2346.         QMainWindow.showEvent(self, event)

  2347. 

  2348.         if QT_VERSION >= 0x50600:

  2349.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_UI_SCALE, int(self.devicePixelRatioF() * 1000), "")

  2350. 

  2351.         # set our gui as parent for all plugins UIs

  2352.         if self.host.manageUIs and not (self.host.isControl or self.host.isPlugin):

  2353.             if MACOS:

  2354.                 nsViewPtr = int(self.winId())

  2355.                 winIdStr  = "%x" % gCarla.utils.cocoa_get_window(nsViewPtr)

  2356.             else:

  2357.                 winIdStr = "%x" % int(self.winId())

  2358.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2359. 

  2360.     def hideEvent(self, event):

  2361.         # disable parent

  2362.         if not (self.host.isControl or self.host.isPlugin):

  2363.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2364. 

  2365.         QMainWindow.hideEvent(self, event)

  2366. 

  2367.     # --------------------------------------------------------------------------------------------------------

  2368.     # resize event

  2369. 

  2370.     def resizeEvent(self, event):

  2371.         QMainWindow.resizeEvent(self, event)

  2372. 

  2373.         if self.fWithCanvas:

  2374.             self.slot_miniCanvasCheckSize()

  2375. 

  2376.     # --------------------------------------------------------------------------------------------------------

  2377.     # timer event

  2378. 

  2379.     def refreshRuntimeInfo(self, load, xruns):

  2380.         txt1 = str(xruns) if (xruns >= 0) else "--"

  2381.         txt2 = "" if (xruns == 1) else "s"

  2382.         self.ui.b_xruns.setText("%s Xrun%s" % (txt1, txt2))

  2383.         self.ui.pb_dsp_load.setValue(int(load))

  2384. 

  2385.     def getAndRefreshRuntimeInfo(self):

  2386.         if not self.ui.pb_dsp_load.isVisible():

  2387.             return

  2388.         if not self.host.is_engine_running():

  2389.             return

  2390.         info = self.host.get_runtime_engine_info()

  2391.         self.refreshRuntimeInfo(info['load'], info['xruns'])

  2392. 

  2393.     def idleFast(self):

  2394.         self.host.engine_idle()

  2395.         self.refreshTransport()

  2396. 

  2397.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2398.             return

  2399. 

  2400.         for pitem in self.fPluginList:

  2401.             if pitem is None:

  2402.                 break

  2403. 

  2404.             pitem.getWidget().idleFast()

  2405. 

  2406.         for pluginId in self.fSelectedPlugins:

  2407.             self.fPeaksCleared = False

  2408.             if self.ui.peak_in.isVisible():

  2409.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2410.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2411.             if self.ui.peak_out.isVisible():

  2412.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2413.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2414.             return

  2415. 

  2416.         if self.fPeaksCleared:

  2417.             return

  2418. 

  2419.         self.fPeaksCleared = True

  2420.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2421.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2422.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2423.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2424. 

  2425.     def idleSlow(self):

  2426.         self.getAndRefreshRuntimeInfo()

  2427. 

  2428.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2429.             return

  2430. 

  2431.         for pitem in self.fPluginList:

  2432.             if pitem is None:

  2433.                 break

  2434. 

  2435.             pitem.getWidget().idleSlow()

  2436. 

  2437.     def timerEvent(self, event):

  2438.         if event.timerId() == self.fIdleTimerFast:

  2439.             self.idleFast()

  2440. 

  2441.         elif event.timerId() == self.fIdleTimerSlow:

  2442.             self.idleSlow()

  2443. 

  2444.         QMainWindow.timerEvent(self, event)

  2445. 

  2446.     # --------------------------------------------------------------------------------------------------------

  2447.     # color/style change event

  2448. 

  2449.     def changeEvent(self, event):

  2450.         if event.type() in (QEvent.PaletteChange, QEvent.StyleChange):

  2451.             self.updateStyle()

  2452.         QWidget.changeEvent(self, event)

  2453. 

  2454.     def updateStyle(self):

  2455.         # Rack padding images setup

  2456.         rack_imgL = QImage(":/bitmaps/rack_padding_left.png")

  2457.         rack_imgR = QImage(":/bitmaps/rack_padding_right.png")

  2458. 

  2459.         min_value = 0.07

  2460. 

  2461.         if PYQT_VERSION >= 0x50600:

  2462.             value_fix = 1.0/(1.0-rack_imgL.scaled(1, 1, Qt.IgnoreAspectRatio, Qt.SmoothTransformation).pixelColor(0,0).blackF())

  2463.         else:

  2464.             value_fix = 1.5

  2465. 

  2466.         bg_color = self.ui.rack.palette().window().color()

  2467.         bg_value = 1.0 - bg_color.blackF()

  2468.         if bg_value != 0.0 and bg_value < min_value:

  2469.             pad_color = bg_color.lighter(100*min_value/bg_value*value_fix)

  2470.         else:

  2471.             pad_color = QColor.fromHsvF(0.0, 0.0, min_value*value_fix)

  2472. 

  2473.         painter = QPainter()

  2474.         fillRect = rack_imgL.rect().adjusted(-1,-1,1,1)

  2475. 

  2476.         painter.begin(rack_imgL)

  2477.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2478.         painter.setBrush(pad_color)

  2479.         painter.drawRect(fillRect)

  2480.         painter.end()

  2481.         rack_pixmapL = QPixmap(rack_imgL)

  2482.         self.imgL_palette = QPalette()

  2483.         self.imgL_palette.setBrush(QPalette.Window, QBrush(rack_pixmapL))

  2484.         self.ui.pad_left.setPalette(self.imgL_palette)

  2485.         self.ui.pad_left.setAutoFillBackground(True)

  2486. 

  2487.         painter.begin(rack_imgR)

  2488.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2489.         painter.setBrush(pad_color)

  2490.         painter.drawRect(fillRect)

  2491.         painter.end()

  2492.         rack_pixmapR = QPixmap(rack_imgR)

  2493.         self.imgR_palette = QPalette()

  2494.         self.imgR_palette.setBrush(QPalette.Window, QBrush(rack_pixmapR))

  2495.         self.ui.pad_right.setPalette(self.imgR_palette)

  2496.         self.ui.pad_right.setAutoFillBackground(True)

  2497. 

  2498.     # --------------------------------------------------------------------------------------------------------

  2499.     # paint event

  2500. 

  2501.     #def paintEvent(self, event):

  2502.         #QMainWindow.paintEvent(self, event)

  2503. 

  2504.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2505.             #return

  2506. 

  2507.         #painter = QPainter(self)

  2508.         #painter.setBrush(QColor(36, 36, 36))

  2509.         #painter.setPen(QColor(62, 62, 62))

  2510.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2511. 

  2512.     # --------------------------------------------------------------------------------------------------------

  2513.     # close event

  2514. 

  2515.     def shouldIgnoreClose(self):

  2516.         if self.host.isControl or self.host.isPlugin:

  2517.             return False

  2518.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  2519.             return False

  2520.         if self.fSavedSettings[CARLA_KEY_MAIN_CONFIRM_EXIT]:

  2521.             return QMessageBox.question(self, self.tr("Quit"),

  2522.                                               self.tr("Are you sure you want to quit Carla?"),

  2523.                                               QMessageBox.Yes|QMessageBox.No) == QMessageBox.No

  2524.         return False

  2525. 

  2526.     def closeEvent(self, event):

  2527.         if self.shouldIgnoreClose():

  2528.             event.ignore()

  2529.             return

  2530. 

  2531.         if MACOS and self.fMacClosingHelper and not (self.host.isControl or self.host.isPlugin):

  2532.             self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2533.             self.fMacClosingHelper = False

  2534.             event.ignore()

  2535. 

  2536.             for i in reversed(range(self.fPluginCount)):

  2537.                 self.host.show_custom_ui(i, False)

  2538. 

  2539.             QTimer.singleShot(100, self.close)

  2540.             return

  2541. 

  2542.         self.killTimers()

  2543.         self.saveSettings()

  2544. 

  2545.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  2546.             if not self.slot_engineStop(True):

  2547.                 self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2548.                 event.ignore()

  2549.                 return

  2550. 

  2551.         QMainWindow.closeEvent(self, event)

  2552. 

  2553. # ------------------------------------------------------------------------------------------------

  2554. # Canvas callback

  2555. 

  2556. def canvasCallback(action, value1, value2, valueStr):

  2557.     host = gCarla.gui.host

  2558. 

  2559.     if action == patchcanvas.ACTION_GROUP_INFO:

  2560.         pass

  2561. 

  2562.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  2563.         pass

  2564. 

  2565.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  2566.         groupId = value1

  2567.         patchcanvas.splitGroup(groupId)

  2568.         gCarla.gui.updateMiniCanvasLater()

  2569. 

  2570.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  2571.         groupId = value1

  2572.         patchcanvas.joinGroup(groupId)

  2573.         gCarla.gui.updateMiniCanvasLater()

  2574. 

  2575.     elif action == patchcanvas.ACTION_PORT_INFO:

  2576.         pass

  2577. 

  2578.     elif action == patchcanvas.ACTION_PORT_RENAME:

  2579.         pass

  2580. 

  2581.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  2582.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")]

  2583. 

  2584.         if not host.patchbay_connect(gCarla.gui.fExternalPatchbay, gOut, pOut, gIn, pIn):

  2585.             print("Connection failed:", host.get_last_error())

  2586. 

  2587.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  2588.         connectionId = value1

  2589. 

  2590.         if not host.patchbay_disconnect(gCarla.gui.fExternalPatchbay, connectionId):

  2591.             print("Disconnect failed:", host.get_last_error())

  2592. 

  2593.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  2594.         pluginId = value1

  2595. 

  2596.         if not host.clone_plugin(pluginId):

  2597.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2598.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2599. 

  2600.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  2601.         pluginId = value1

  2602.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2603. 

  2604.         if pwidget is not None:

  2605.             pwidget.showEditDialog()

  2606. 

  2607.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  2608.         pluginId = value1

  2609.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2610. 

  2611.         if pwidget is not None:

  2612.             pwidget.showRenameDialog()

  2613. 

  2614.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  2615.         pluginId = value1

  2616.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2617. 

  2618.         if pwidget is not None:

  2619.             pwidget.showReplaceDialog()

  2620. 

  2621.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  2622.         pluginId = value1

  2623. 

  2624.         if not host.remove_plugin(pluginId):

  2625.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2626.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2627. 

  2628.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  2629.         pluginId = value1

  2630.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2631. 

  2632.         if pwidget is not None:

  2633.             pwidget.showCustomUI()

  2634. 

  2635.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  2636.         gCarla.gui.showPluginActionsMenu()

  2637. 

  2638.     elif action == patchcanvas.ACTION_INLINE_DISPLAY:

  2639.         # FIXME

  2640.         if gCarla.gui.fPluginCount == 0: return

  2641.         pluginId = value1

  2642.         width, height = [int(v) for v in valueStr.split(":")]

  2643.         return host.render_inline_display(pluginId, width, height)

  2644. 

  2645. # ------------------------------------------------------------------------------------------------------------

  2646. # Engine callback

  2647. 

  2648. def engineCallback(host, action, pluginId, value1, value2, value3, valuef, valueStr):

  2649.     # kdevelop likes this :)

  2650.     if False: host = CarlaHostNull()

  2651. 

  2652.     valueStr = charPtrToString(valueStr)

  2653. 

  2654.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  2655.         host.processMode   = value1

  2656.         host.transportMode = value2

  2657.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2658.         host.processMode   = value1

  2659.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2660.         host.transportMode  = value1

  2661.         host.transportExtra = valueStr

  2662. 

  2663.     if action == ENGINE_CALLBACK_DEBUG:

  2664.         host.DebugCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  2665.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  2666.         host.PluginAddedCallback.emit(pluginId, valueStr)

  2667.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  2668.         host.PluginRemovedCallback.emit(pluginId)

  2669.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  2670.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  2671.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  2672.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  2673.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  2674.         host.ParameterValueChangedCallback.emit(pluginId, value1, valuef)

  2675.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  2676.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, valuef)

  2677.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CC_CHANGED:

  2678.         host.ParameterMidiCcChangedCallback.emit(pluginId, value1, value2)

  2679.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  2680.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  2681.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  2682.         host.ProgramChangedCallback.emit(pluginId, value1)

  2683.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  2684.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  2685.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  2686.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  2687.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  2688.         host.UiStateChangedCallback.emit(pluginId, value1)

  2689.     elif action == ENGINE_CALLBACK_NOTE_ON:

  2690.         host.NoteOnCallback.emit(pluginId, value1, value2, value3)

  2691.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  2692.         host.NoteOffCallback.emit(pluginId, value1, value2)

  2693.     elif action == ENGINE_CALLBACK_UPDATE:

  2694.         host.UpdateCallback.emit(pluginId)

  2695.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  2696.         host.ReloadInfoCallback.emit(pluginId)

  2697.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  2698.         host.ReloadParametersCallback.emit(pluginId)

  2699.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  2700.         host.ReloadProgramsCallback.emit(pluginId)

  2701.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  2702.         host.ReloadAllCallback.emit(pluginId)

  2703.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  2704.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  2705.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  2706.         host.PatchbayClientRemovedCallback.emit(pluginId)

  2707.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  2708.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  2709.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  2710.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  2711.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  2712.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, valueStr)

  2713.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  2714.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  2715.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_RENAMED:

  2716.         host.PatchbayPortRenamedCallback.emit(pluginId, value1, valueStr)

  2717.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  2718.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  2719.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  2720.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  2721.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  2722.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  2723.         host.EngineStartedCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  2724.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  2725.         host.EngineStoppedCallback.emit()

  2726.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2727.         host.ProcessModeChangedCallback.emit(value1)

  2728.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2729.         host.TransportModeChangedCallback.emit(value1, valueStr)

  2730.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  2731.         host.BufferSizeChangedCallback.emit(value1)

  2732.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  2733.         host.SampleRateChangedCallback.emit(valuef)

  2734.     elif action == ENGINE_CALLBACK_CANCELABLE_ACTION:

  2735.         host.CancelableActionCallback.emit(pluginId, bool(value1 != 0), valueStr)

  2736.     elif action == ENGINE_CALLBACK_PROJECT_LOAD_FINISHED:

  2737.         host.ProjectLoadFinishedCallback.emit()

  2738.     elif action == ENGINE_CALLBACK_NSM:

  2739.         host.NSMCallback.emit(value1, value2, valueStr)

  2740.     elif action == ENGINE_CALLBACK_IDLE:

  2741.         QApplication.processEvents()

  2742.     elif action == ENGINE_CALLBACK_INFO:

  2743.         host.InfoCallback.emit(valueStr)

  2744.     elif action == ENGINE_CALLBACK_ERROR:

  2745.         host.ErrorCallback.emit(valueStr)

  2746.     elif action == ENGINE_CALLBACK_QUIT:

  2747.         host.QuitCallback.emit()

  2748.     elif action == ENGINE_CALLBACK_INLINE_DISPLAY_REDRAW:

  2749.         host.InlineDisplayRedrawCallback.emit(pluginId)

  2750.     else:

  2751.         print("unhandled action", action)

  2752. 

  2753. # ------------------------------------------------------------------------------------------------------------

  2754. # File callback

  2755. 

  2756. def fileCallback(ptr, action, isDir, title, filter):

  2757.     title  = charPtrToString(title)

  2758.     filter = charPtrToString(filter)

  2759. 

  2760.     if action == FILE_CALLBACK_OPEN:

  2761.         ret, ok = QFileDialog.getOpenFileName(gCarla.gui, title, "", filter) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  2762.     elif action == FILE_CALLBACK_SAVE:

  2763.         ret, ok = QFileDialog.getSaveFileName(gCarla.gui, title, "", filter, QFileDialog.ShowDirsOnly if isDir else 0x0)

  2764.     else:

  2765.         ret, ok = ("", "")

  2766. 

  2767.     # FIXME use ok value, test if it works as expected

  2768.     if not ret:

  2769.         return None

  2770. 

  2771.     # FIXME

  2772.     global fileRet

  2773.     fileRet = c_char_p(ret.encode("utf-8"))

  2774.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  2775.     return retval.contents.value

  2776. 

  2777. # ------------------------------------------------------------------------------------------------------------

  2778. # Init host

  2779. 

  2780. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  2781.     pathBinaries, pathResources = getPaths(libPrefix)

  2782. 

  2783.     # --------------------------------------------------------------------------------------------------------

  2784.     # Check if we should open main lib as local or global

  2785. 

  2786.     settings = QSettings("falkTX", "Carla2")

  2787. 

  2788.     try:

  2789.         loadGlobal = settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL, CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL, type=bool)

  2790.     except:

  2791.         loadGlobal = CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL

  2792. 

  2793.     # --------------------------------------------------------------------------------------------------------

  2794.     # Fail if binary dir is not found

  2795. 

  2796.     if not os.path.exists(pathBinaries):

  2797.         if failError:

  2798.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  2799.             sys.exit(1)

  2800.         return

  2801. 

  2802.     # --------------------------------------------------------------------------------------------------------

  2803.     # Set Carla library name

  2804. 

  2805.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  2806.     libname   = os.path.join(pathBinaries, libname)

  2807.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  2808. 

  2809.     # --------------------------------------------------------------------------------------------------------

  2810.     # Print info

  2811. 

  2812.     print("Carla %s started, status:" % VERSION)

  2813.     print("  Python version: %s" % sys.version.split(" ",1)[0])

  2814.     print("  Qt version:     %s" % QT_VERSION_STR)

  2815.     print("  PyQt version:   %s" % PYQT_VERSION_STR)

  2816.     print("  Binary dir:     %s" % pathBinaries)

  2817.     print("  Resources dir:  %s" % pathResources)

  2818. 

  2819.     # --------------------------------------------------------------------------------------------------------

  2820.     # Init host

  2821. 

  2822.     if failError:

  2823.         # no try

  2824.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2825.     else:

  2826.         try:

  2827.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2828.         except:

  2829.             host = CarlaHostQtNull()

  2830. 

  2831.     host.isControl = isControl

  2832.     host.isPlugin  = isPlugin

  2833. 

  2834.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vf,vs: engineCallback(host,a,p,v1,v2,v3,vf,vs))

  2835.     host.set_file_callback(fileCallback)

  2836. 

  2837.     # If it's a plugin the paths are already set

  2838.     if not isPlugin:

  2839.         host.pathBinaries  = pathBinaries

  2840.         host.pathResources = pathResources

  2841.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  2842.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  2843. 

  2844.         if not isControl:

  2845.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  2846. 

  2847.     # --------------------------------------------------------------------------------------------------------

  2848.     # Init utils

  2849. 

  2850.     gCarla.utils = CarlaUtils(utilsname)

  2851.     gCarla.utils.set_process_name(os.path.basename(initName))

  2852. 

  2853.     try:

  2854.         sys.stdout.flush()

  2855.     except:

  2856.         pass

  2857. 

  2858.     sys.stdout = CarlaPrint(False)

  2859.     sys.stderr = CarlaPrint(True)

  2860.     sys.excepthook = sys_excepthook

  2861. 

  2862.     # --------------------------------------------------------------------------------------------------------

  2863.     # Done

  2864. 

  2865.     return host

  2866. 

  2867. # ------------------------------------------------------------------------------------------------------------

  2868. # Load host settings

  2869. 

  2870. def loadHostSettings(host):

  2871.     # kdevelop likes this :)

  2872.     if False: host = CarlaHostNull()

  2873. 

  2874.     settings = QSettings("falkTX", "Carla2")

  2875. 

  2876.     try:

  2877.         host.experimental = settings.value(CARLA_KEY_MAIN_EXPERIMENTAL, CARLA_DEFAULT_MAIN_EXPERIMENTAL, type=bool)

  2878.     except:

  2879.         host.experimental = CARLA_DEFAULT_MAIN_EXPERIMENTAL

  2880. 

  2881.     try:

  2882.         host.exportLV2 = settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2, CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT, type=bool)

  2883.     except:

  2884.         host.exportLV2 = CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT

  2885. 

  2886.     try:

  2887.         host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, type=bool)

  2888.     except:

  2889.         host.manageUIs = CARLA_DEFAULT_MANAGE_UIS

  2890. 

  2891.     try:

  2892.         host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, type=int)

  2893.     except:

  2894.         host.maxParameters = CARLA_DEFAULT_MAX_PARAMETERS

  2895. 

  2896.     try:

  2897.         host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, type=bool)

  2898.     except:

  2899.         host.forceStereo = CARLA_DEFAULT_FORCE_STEREO

  2900. 

  2901.     try:

  2902.         host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, type=bool)

  2903.     except:

  2904.         host.preferPluginBridges = CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES

  2905. 

  2906.     try:

  2907.         host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, type=bool)

  2908.     except:

  2909.         host.preferUIBridges = CARLA_DEFAULT_PREFER_UI_BRIDGES

  2910. 

  2911.     try:

  2912.         host.preventBadBehaviour = settings.value(CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, type=bool)

  2913.     except:

  2914.         host.preventBadBehaviour = CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR

  2915. 

  2916.     try:

  2917.         host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, type=bool)

  2918.     except:

  2919.         host.showLogs = CARLA_DEFAULT_MAIN_SHOW_LOGS

  2920. 

  2921.     try:

  2922.         host.showPluginBridges = settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, type=bool)

  2923.     except:

  2924.         host.showPluginBridges = CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES

  2925. 

  2926.     try:

  2927.         host.showWineBridges = settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, type=bool)

  2928.     except:

  2929.         host.showWineBridges = CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES

  2930. 

  2931.     try:

  2932.         host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, type=int)

  2933.     except:

  2934.         host.uiBridgesTimeout = CARLA_DEFAULT_UI_BRIDGES_TIMEOUT

  2935. 

  2936.     try:

  2937.         host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, type=bool)

  2938.     except:

  2939.         host.uisAlwaysOnTop = CARLA_DEFAULT_UIS_ALWAYS_ON_TOP

  2940. 

  2941.     if host.isPlugin:

  2942.         return

  2943. 

  2944.     try:

  2945.         host.transportExtra = settings.value(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, "", type=str)

  2946.     except:

  2947.         host.transportExtra = ""

  2948. 

  2949.     # enums

  2950.     if host.audioDriverForced is None:

  2951.         try:

  2952.             host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, type=int)

  2953.         except:

  2954.             host.transportMode = CARLA_DEFAULT_TRANSPORT_MODE

  2955. 

  2956.     if not host.processModeForced:

  2957.         try:

  2958.             host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, type=int)

  2959.         except:

  2960.             host.processMode = CARLA_DEFAULT_PROCESS_MODE

  2961. 

  2962.     host.nextProcessMode = host.processMode

  2963. 

  2964.     # --------------------------------------------------------------------------------------------------------

  2965.     # fix things if needed

  2966. 

  2967.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  2968.         if LADISH_APP_NAME:

  2969.             print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  2970.             host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  2971. 

  2972.         else:

  2973.             host.transportMode = ENGINE_TRANSPORT_MODE_JACK

  2974. 

  2975.     if gCarla.nogui:

  2976.         host.showLogs = False

  2977. 

  2978.     # --------------------------------------------------------------------------------------------------------

  2979.     # run headless host now if nogui option enabled

  2980. 

  2981.     if gCarla.nogui:

  2982.         runHostWithoutUI(host)

  2983. 

  2984. # ------------------------------------------------------------------------------------------------------------

  2985. # Set host settings

  2986. 

  2987. def setHostSettings(host):

  2988.     # kdevelop likes this :)

  2989.     if False: host = CarlaHostNull()

  2990. 

  2991.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  2992.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  2993.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  2994.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  2995.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  2996.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  2997.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  2998. 

  2999.     if host.isPlugin or host.isRemote or host.is_engine_running():

  3000.         return

  3001. 

  3002.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  3003.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       host.transportExtra)

  3004.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  3005. 

  3006. # ------------------------------------------------------------------------------------------------------------

  3007. # Set Engine settings according to carla preferences. Returns selected audio driver.

  3008. 

  3009. def setEngineSettings(host):

  3010.     # kdevelop likes this :)

  3011.     if False: host = CarlaHostNull()

  3012. 

  3013.     # --------------------------------------------------------------------------------------------------------

  3014.     # do nothing if control

  3015. 

  3016.     if host.isControl:

  3017.         return "Control"

  3018. 

  3019.     # --------------------------------------------------------------------------------------------------------

  3020. 

  3021.     settings = QSettings("falkTX", "Carla2")

  3022. 

  3023.     # --------------------------------------------------------------------------------------------------------

  3024.     # main settings

  3025. 

  3026.     setHostSettings(host)

  3027. 

  3028.     # --------------------------------------------------------------------------------------------------------

  3029.     # plugin paths

  3030. 

  3031.     LADSPA_PATH = toList(settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH))

  3032.     DSSI_PATH   = toList(settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH))

  3033.     LV2_PATH    = toList(settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH))

  3034.     VST2_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST2,   CARLA_DEFAULT_VST2_PATH))

  3035.     VST3_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST3,   CARLA_DEFAULT_VST3_PATH))

  3036.     SF2_PATH    = toList(settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH))

  3037.     SFZ_PATH    = toList(settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH))

  3038. 

  3039.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  3040.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  3041.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  3042.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2,   splitter.join(VST2_PATH))

  3043.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST3,   splitter.join(VST3_PATH))

  3044.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  3045.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  3046. 

  3047.     # --------------------------------------------------------------------------------------------------------

  3048.     # don't continue if plugin

  3049. 

  3050.     if host.isPlugin:

  3051.         return "Plugin"

  3052. 

  3053.     # --------------------------------------------------------------------------------------------------------

  3054.     # osc settings

  3055. 

  3056.     oscEnabled = settings.value(CARLA_KEY_OSC_ENABLED, CARLA_DEFAULT_OSC_ENABLED, type=bool)

  3057. 

  3058.     if not settings.value(CARLA_KEY_OSC_TCP_PORT_ENABLED, CARLA_DEFAULT_OSC_TCP_PORT_ENABLED, type=bool):

  3059.         portNumTCP = -1

  3060.     elif settings.value(CARLA_KEY_OSC_TCP_PORT_RANDOM, CARLA_DEFAULT_OSC_TCP_PORT_RANDOM, type=bool):

  3061.         portNumTCP = 0

  3062.     else:

  3063.         portNumTCP = settings.value(CARLA_KEY_OSC_TCP_PORT_NUMBER, CARLA_DEFAULT_OSC_TCP_PORT_NUMBER, type=int)

  3064. 

  3065.     if not settings.value(CARLA_KEY_OSC_UDP_PORT_ENABLED, CARLA_DEFAULT_OSC_UDP_PORT_ENABLED, type=bool):

  3066.         portNumUDP = -1

  3067.     elif settings.value(CARLA_KEY_OSC_UDP_PORT_RANDOM, CARLA_DEFAULT_OSC_UDP_PORT_RANDOM, type=bool):

  3068.         portNumUDP = 0

  3069.     else:

  3070.         portNumUDP = settings.value(CARLA_KEY_OSC_UDP_PORT_NUMBER, CARLA_DEFAULT_OSC_UDP_PORT_NUMBER, type=int)

  3071. 

  3072.     host.set_engine_option(ENGINE_OPTION_OSC_ENABLED, 1 if oscEnabled else 0, "")

  3073.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_TCP, portNumTCP, "")

  3074.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_UDP, portNumUDP, "")

  3075. 

  3076.     # --------------------------------------------------------------------------------------------------------

  3077.     # wine settings

  3078. 

  3079.     optWineExecutable = settings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, type=str)

  3080.     optWineAutoPrefix = settings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, type=bool)

  3081.     optWineFallbackPrefix = settings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, type=str)

  3082.     optWineRtPrioEnabled = settings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, type=bool)

  3083.     optWineBaseRtPrio = settings.value(CARLA_KEY_WINE_BASE_RT_PRIO,   CARLA_DEFAULT_WINE_BASE_RT_PRIO, type=int)

  3084.     optWineServerRtPrio = settings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, type=int)

  3085. 

  3086.     host.set_engine_option(ENGINE_OPTION_WINE_EXECUTABLE, 0, optWineExecutable)

  3087.     host.set_engine_option(ENGINE_OPTION_WINE_AUTO_PREFIX, 1 if optWineAutoPrefix else 0, "")

  3088.     host.set_engine_option(ENGINE_OPTION_WINE_FALLBACK_PREFIX, 0, os.path.expanduser(optWineFallbackPrefix))

  3089.     host.set_engine_option(ENGINE_OPTION_WINE_RT_PRIO_ENABLED, 1 if optWineRtPrioEnabled else 0, "")

  3090.     host.set_engine_option(ENGINE_OPTION_WINE_BASE_RT_PRIO, optWineBaseRtPrio, "")

  3091.     host.set_engine_option(ENGINE_OPTION_WINE_SERVER_RT_PRIO, optWineServerRtPrio, "")

  3092. 

  3093.     # --------------------------------------------------------------------------------------------------------

  3094.     # driver and device settings

  3095. 

  3096.     # driver name

  3097.     if host.audioDriverForced is not None:

  3098.         audioDriver = host.audioDriverForced

  3099.     else:

  3100.         try:

  3101.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, type=str)

  3102.         except:

  3103.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  3104. 

  3105.     # driver options

  3106.     try:

  3107.         audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", type=str)

  3108.     except:

  3109.         audioDevice = ""

  3110. 

  3111.     try:

  3112.         audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, type=int)

  3113.     except:

  3114.         audioBufferSize = CARLA_DEFAULT_AUDIO_BUFFER_SIZE

  3115. 

  3116.     try:

  3117.         audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, type=int)

  3118.     except:

  3119.         audioSampleRate = CARLA_DEFAULT_AUDIO_SAMPLE_RATE

  3120. 

  3121.     try:

  3122.         audioTripleBuffer = settings.value("%s%s/TripleBuffer" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER, type=int)

  3123.     except:

  3124.         audioTripleBuffer = CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER

  3125. 

  3126.     # Only setup audio things if engine is not running

  3127.     if not host.is_engine_running():

  3128.         host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE, 0, audioDevice)

  3129. 

  3130.         if not audioDriver.startswith("JACK"):

  3131.             host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  3132.             host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  3133.             host.set_engine_option(ENGINE_OPTION_AUDIO_TRIPLE_BUFFER, audioTripleBuffer, "")

  3134. 

  3135.     # --------------------------------------------------------------------------------------------------------

  3136.     # fix things if needed

  3137. 

  3138.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  3139.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  3140.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, host.transportExtra)

  3141. 

  3142.     # --------------------------------------------------------------------------------------------------------

  3143.     # return selected driver name

  3144. 

  3145.     return audioDriver

  3146. 

  3147. # ------------------------------------------------------------------------------------------------------------

  3148. # Run Carla without showing UI

  3149. 

  3150. def runHostWithoutUI(host):

  3151.     # kdevelop likes this :)

  3152.     if False: host = CarlaHostNull()

  3153. 

  3154.     # --------------------------------------------------------------------------------------------------------

  3155.     # Some initial checks

  3156. 

  3157.     if not gCarla.nogui:

  3158.         return

  3159. 

  3160.     projectFile = getInitialProjectFile(QCoreApplication.instance(), True)

  3161. 

  3162.     if not projectFile:

  3163.         print("Carla no-gui mode can only be used together with a project file.")

  3164.         sys.exit(1)

  3165. 

  3166.     # --------------------------------------------------------------------------------------------------------

  3167.     # Additional imports

  3168. 

  3169.     from time import sleep

  3170. 

  3171.     # --------------------------------------------------------------------------------------------------------

  3172.     # Init engine

  3173. 

  3174.     audioDriver = setEngineSettings(host)

  3175.     if not host.engine_init(audioDriver, "Carla"):

  3176.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  3177.         sys.exit(1)

  3178. 

  3179.     if not host.load_project(projectFile):

  3180.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  3181.         host.engine_close()

  3182.         sys.exit(1)

  3183. 

  3184.     # --------------------------------------------------------------------------------------------------------

  3185.     # Idle

  3186. 

  3187.     print("Carla ready!")

  3188. 

  3189.     while host.is_engine_running() and not gCarla.term:

  3190.         host.engine_idle()

  3191.         sleep(0.0333) # 30 Hz

  3192. 

  3193.     # --------------------------------------------------------------------------------------------------------

  3194.     # Stop

  3195. 

  3196.     host.engine_close()

  3197.     sys.exit(0)

  3198. 

  3199. # ------------------------------------------------------------------------------------------------------------