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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) 2011-2018 Filipe Coelho <falktx@falktx.com>

  6. #

  7. # This program is free software; you can redistribute it and/or

  8. # modify it under the terms of the GNU General Public License as

  9. # published by the Free Software Foundation; either version 2 of

  10. # the License, or any later version.

  11. #

  12. # This program is distributed in the hope that it will be useful,

  13. # but WITHOUT ANY WARRANTY; without even the implied warranty of

  14. # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

  15. # GNU General Public License for more details.

  16. #

  17. # For a full copy of the GNU General Public License see the doc/GPL.txt file.

  18. 

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

  20. # Imports (Config)

  21. 

  22. from carla_config import *

  23. 

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

  25. # Imports (Global)

  26. 

  27. import json

  28. 

  29. if config_UseQt5:

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

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

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

  33. else:

  34.     from PyQt4.QtCore import qCritical, QEventLoop, QFileInfo, QModelIndex, QPointF, QTimer, QEvent

  35.     from PyQt4.QtGui import QImage, QPalette, QBrush

  36.     from PyQt4.QtGui import QAction, QApplication, QInputDialog, QFileSystemModel, QListWidgetItem, QMainWindow

  37. 

  38. # ------------------------------------------------------------------------------------------------------------

  39. # Imports (Custom)

  40. 

  41. import patchcanvas

  42. import ui_carla_host

  43. 

  44. from carla_app import *

  45. from carla_database import *

  46. from carla_settings import *

  47. from carla_utils import *

  48. from carla_widgets import *

  49. 

  50. from widgets.digitalpeakmeter import DigitalPeakMeter

  51. from widgets.pixmapkeyboard import PixmapKeyboardHArea

  52. 

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

  54. # Try Import OpenGL

  55. 

  56. try:

  57.     if config_UseQt5:

  58.         from PyQt5.QtOpenGL import QGLWidget

  59.     else:

  60.         from PyQt4.QtOpenGL import QGLWidget

  61.     hasGL = True

  62. except:

  63.     hasGL = False

  64. 

  65. # ------------------------------------------------------------------------------------------------------------

  66. # Safe exception hook, needed for PyQt5

  67. 

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

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

  70. 

  71. # ------------------------------------------------------------------------------------------------------------

  72. # Session Management support

  73. 

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

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

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

  77. 

  78. # ------------------------------------------------------------------------------------------------------------

  79. # Small print helper

  80. 

  81. def processMode2Str(processMode):

  82.     if processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT:

  83.         return "Single client"

  84.     if processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  85.         return "Multi client"

  86.     if processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK:

  87.         return "Continuous Rack"

  88.     if processMode == ENGINE_PROCESS_MODE_PATCHBAY:

  89.         return "Patchbay"

  90.     if processMode == ENGINE_PROCESS_MODE_BRIDGE:

  91.         return "Bridge"

  92.     return "Unknown"

  93. 

  94. # ------------------------------------------------------------------------------------------------------------

  95. # Carla Print class

  96. 

  97. class CarlaPrint:

  98.     def __init__(self, err):

  99.         self.err = err

  100. 

  101.     def flush(self):

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

  103. 

  104.     def write(self, string):

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

  106. 

  107. # ------------------------------------------------------------------------------------------------------------

  108. # Host Window

  109. 

  110. class HostWindow(QMainWindow):

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

  112.     # signals

  113.     SIGTERM = pyqtSignal()

  114.     SIGUSR1 = pyqtSignal()

  115. 

  116.     # CustomActions

  117.     CUSTOM_ACTION_NONE         = 0

  118.     CUSTOM_ACTION_APP_CLOSE    = 1

  119.     CUSTOM_ACTION_PROJECT_LOAD = 2

  120. 

  121.     # --------------------------------------------------------------------------------------------------------

  122. 

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

  124.         QMainWindow.__init__(self, parent)

  125.         self.host = host

  126.         self.ui = ui_carla_host.Ui_CarlaHostW()

  127.         self.ui.setupUi(self)

  128.         gCarla.gui = self

  129. 

  130.         if False:

  131.             # kdevelop likes this :)

  132.             host = CarlaHostNull()

  133.             self.host = host

  134. 

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

  136. 

  137.         self.fParentOrSelf = parent or self

  138. 

  139.         # ----------------------------------------------------------------------------------------------------

  140.         # Internal stuff

  141. 

  142.         self.fIdleTimerFast = 0

  143.         self.fIdleTimerSlow = 0

  144. 

  145.         self.fLadspaRdfNeedsUpdate = True

  146.         self.fLadspaRdfList = []

  147. 

  148.         self.fPluginCount = 0

  149.         self.fPluginList  = []

  150. 

  151.         self.fProjectFilename  = ""

  152.         self.fIsProjectLoading = False

  153.         self.fCurrentlyRemovingAllPlugins = False

  154. 

  155.         self.fLastTransportBPM   = 0.0

  156.         self.fLastTransportFrame = 0

  157.         self.fLastTransportState = False

  158.         self.fSampleRate         = 0.0

  159. 

  160.         if MACOS:

  161.             self.fMacClosingHelper = True

  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.setVisible(False)

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

  223.                 self.ui.act_plugin_add.setVisible(False)

  224.                 self.ui.act_plugin_add2.setVisible(False)

  225.                 self.ui.act_plugin_remove_all.setVisible(False)

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

  227.                 self.ui.menu_Plugin.setEnabled(False)

  228.                 self.ui.menu_Plugin.setVisible(False)

  229.                 self.ui.menu_Plugin.menuAction().setVisible(False)

  230.             else:

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

  232. 

  233.         else:

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

  235. 

  236.             if WINDOWS:

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

  238. 

  239.         if not self.host.isControl:

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

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

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

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

  244. 

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

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

  247. 

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

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

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

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

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

  253. 

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

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

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

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

  258. 

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

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

  261. 

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

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

  264. 

  265.         if not withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  283.             self.ui.miniCanvasPreview.hide()

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

  285.             if WINDOWS:

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

  287. 

  288.             if host.isControl:

  289.                 self.ui.dockWidget.hide()

  290. 

  291.         # ----------------------------------------------------------------------------------------------------

  292.         # Set up GUI (disk)

  293. 

  294.         exts = gCarla.utils.get_supported_file_extensions()

  295. 

  296.         self.fDirModel = QFileSystemModel(self)

  297.         self.fDirModel.setRootPath(HOME)

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

  299. 

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

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

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

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

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

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

  306. 

  307.         # ----------------------------------------------------------------------------------------------------

  308.         # Set up GUI (transport)

  309. 

  310.         fontMetrics   = QFontMetrics(self.ui.l_transport_bbt.font())

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

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

  313. 

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

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

  316. 

  317.         if minLabelWidth < labelTimeWidth:

  318.             minLabelWidth = labelTimeWidth

  319.         if minLabelWidth < labelBBTWidth:

  320.             minLabelWidth = labelBBTWidth

  321. 

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

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

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

  325. 

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

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

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

  329. 

  330.         if host.isControl or host.isPlugin:

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

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

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

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

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

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

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

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

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

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

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

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

  343. 

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

  345. 

  346.         # ----------------------------------------------------------------------------------------------------

  347.         # Set up GUI (rack)

  348. 

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

  350. 

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

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

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

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

  355. 

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

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

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

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

  360. 

  361.         self.updateStyle()

  362. 

  363.         self.ui.rack.setStyleSheet("""

  364.           CarlaRackList#CarlaRackList {

  365.             background-color: black;

  366.           }

  367.         """)

  368. 

  369.         # ----------------------------------------------------------------------------------------------------

  370.         # Set up GUI (patchbay)

  371. 

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

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

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

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

  376. 

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

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

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

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

  381. 

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

  383.         self.ui.keyboard   = self.ui.scrollArea.keyboard

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

  385. 

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

  387. 

  388.         self.ui.miniCanvasPreview.setRealParent(self)

  389.         self.ui.verticalLayout_7.setContentsMargins(0, 0, 0, 1)

  390. 

  391.         # ----------------------------------------------------------------------------------------------------

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

  393. 

  394.         if MACOS:

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

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

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

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

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

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

  401. 

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

  403.         # Load Settings

  404. 

  405.         self.loadSettings(True)

  406. 

  407.         # ----------------------------------------------------------------------------------------------------

  408.         # Set-up Canvas

  409. 

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

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

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

  413. 

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

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

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

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

  418. 

  419.         self.setupCanvas()

  420. 

  421.         # ----------------------------------------------------------------------------------------------------

  422.         # Connect actions to functions

  423. 

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

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

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

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

  428. 

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

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

  431. 

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

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

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

  435. 

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

  437. 

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

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

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

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

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

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

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

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

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

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

  448. 

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

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

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

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

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

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

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

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

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

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

  459. 

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

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

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

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

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

  465. 

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

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

  468. 

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

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

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

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

  473. 

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

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

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

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

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

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

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

  481. 

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

  483. 

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

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

  486. 

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

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

  489. 

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

  491. 

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

  493. 

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

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

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

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

  498. 

  499.         self.SIGUSR1.connect(self.slot_handleSIGUSR1)

  500.         self.SIGTERM.connect(self.slot_handleSIGTERM)

  501. 

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

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

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

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

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

  507. 

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

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

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

  511. 

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

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

  514. 

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

  516. 

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

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

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

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

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

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

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

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

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

  526. 

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

  528. 

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

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

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

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

  533. 

  534.         # ----------------------------------------------------------------------------------------------------

  535.         # Final setup

  536. 

  537.         self.ui.text_logs.clear()

  538.         self.setProperWindowTitle()

  539. 

  540.         # Disable non-supported features

  541.         features = gCarla.utils.get_supported_features()

  542. 

  543.         if "link" not in features:

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

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

  546. 

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

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

  549.             self.startTimers()

  550. 

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

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

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

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

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

  556. 

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

  558.         if host.processModeForced and host.processMode == ENGINE_PROCESS_MODE_PATCHBAY and not host.isControl:

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

  560. 

  561.         # Load initial project file if set

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

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

  564. 

  565.             if projectFile:

  566.                 self.loadProjectLater(projectFile)

  567. 

  568.         # For NSM we wait for the open message

  569.         if NSM_URL and host.nsmOK:

  570.             host.nsm_ready(-1)

  571.             return

  572. 

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

  574. 

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

  576.     # Setup

  577. 

  578.     def compactPlugin(self, pluginId):

  579.         if pluginId > self.fPluginCount:

  580.             return

  581. 

  582.         pitem = self.fPluginList[pluginId]

  583. 

  584.         if pitem is None:

  585.             return

  586. 

  587.         pitem.recreateWidget(True)

  588. 

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

  590.         if pluginId > self.fPluginCount:

  591.             return

  592. 

  593.         pitem = self.fPluginList[pluginId]

  594. 

  595.         if pitem is None:

  596.             return

  597. 

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

  599.         pitem.recreateWidget(newColor = color)

  600. 

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

  602.         if pluginId > self.fPluginCount:

  603.             return

  604. 

  605.         pitem = self.fPluginList[pluginId]

  606. 

  607.         if pitem is None:

  608.             return

  609. 

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

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

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

  613.         else:

  614.             pitem.recreateWidget(newSkin = skin)

  615. 

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

  617.         if pluginIdA == pluginIdB:

  618.             return

  619.         if pluginIdA < 0 or pluginIdB < 0:

  620.             return

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

  622.             return

  623. 

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

  625. 

  626.         itemA = self.fPluginList[pluginIdA]

  627.         compactA = itemA.isCompacted()

  628.         guiShownA = itemA.isGuiShown()

  629. 

  630.         itemB = self.fPluginList[pluginIdB]

  631.         compactB = itemB.isCompacted()

  632.         guiShownB = itemB.isGuiShown()

  633. 

  634.         itemA.setPluginId(pluginIdA)

  635.         itemA.recreateWidget2(compactB, guiShownB)

  636. 

  637.         itemB.setPluginId(pluginIdB)

  638.         itemB.recreateWidget2(compactA, guiShownA)

  639. 

  640.         self.slot_canvasRefresh()

  641. 

  642.     def setLoadRDFsNeeded(self):

  643.         self.fLadspaRdfNeedsUpdate = True

  644. 

  645.     def setProperWindowTitle(self):

  646.         title = self.fClientName

  647. 

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

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

  650.         if self.fSessionManagerName:

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

  652. 

  653.         self.setWindowTitle(title)

  654. 

  655.     # --------------------------------------------------------------------------------------------------------

  656.     # Files

  657. 

  658.     def makeExtraFilename(self):

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

  660. 

  661.     def loadProjectNow(self):

  662.         if not self.fProjectFilename:

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

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

  665.             return

  666. 

  667.         self.projectLoadingStarted()

  668.         self.fIsProjectLoading = True

  669.         self.host.load_project(self.fProjectFilename)

  670. 

  671.         # Project finished loading is sent by engine

  672. 

  673.     def loadProjectLater(self, filename):

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

  675.         self.setProperWindowTitle()

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

  677. 

  678.     def saveProjectNow(self):

  679.         if not self.fProjectFilename:

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

  681. 

  682.         self.host.save_project(self.fProjectFilename)

  683. 

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

  685.             json.dump({

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

  687.             }, fh)

  688. 

  689.     def projectLoadingStarted(self):

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

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

  692. 

  693.     def projectLoadingFinished(self):

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

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

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

  697. 

  698.         extrafile = self.makeExtraFilename()

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

  700.             return

  701. 

  702.         try:

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

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

  705.         except:

  706.             return

  707. 

  708.         patchcanvas.restoreGroupPositions(canvasdata)

  709. 

  710.     # --------------------------------------------------------------------------------------------------------

  711.     # Files (menu actions)

  712. 

  713.     @pyqtSlot()

  714.     def slot_fileNew(self):

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

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

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

  718.             return

  719. 

  720.         self.pluginRemoveAll()

  721.         self.fProjectFilename = ""

  722.         self.setProperWindowTitle()

  723. 

  724.     @pyqtSlot()

  725.     def slot_fileOpen(self):

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

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

  728. 

  729.         if config_UseQt5:

  730.             filename = filename[0]

  731.         if not filename:

  732.             return

  733. 

  734.         newFile = True

  735. 

  736.         if self.fPluginCount > 0:

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

  738.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  740. 

  741.         if newFile:

  742.             self.pluginRemoveAll()

  743.             self.fProjectFilename = filename

  744.             self.setProperWindowTitle()

  745.             self.loadProjectNow()

  746.         else:

  747.             filenameOld = self.fProjectFilename

  748.             self.fProjectFilename = filename

  749.             self.loadProjectNow()

  750.             self.fProjectFilename = filenameOld

  751. 

  752.     @pyqtSlot()

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

  754.         if self.fProjectFilename and not saveAs:

  755.             return self.saveProjectNow()

  756. 

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

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

  759. 

  760.         if config_UseQt5:

  761.             filename = filename[0]

  762.         if not filename:

  763.             return

  764. 

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

  766.             filename += ".carxp"

  767. 

  768.         if self.fProjectFilename != filename:

  769.             self.fProjectFilename = filename

  770.             self.setProperWindowTitle()

  771. 

  772.         self.saveProjectNow()

  773. 

  774.     @pyqtSlot()

  775.     def slot_fileSaveAs(self):

  776.         self.slot_fileSave(True)

  777. 

  778.     @pyqtSlot()

  779.     def slot_loadProjectNow(self):

  780.         self.loadProjectNow()

  781. 

  782.     # --------------------------------------------------------------------------------------------------------

  783.     # Engine (menu actions)

  784. 

  785.     @pyqtSlot()

  786.     def slot_engineStart(self):

  787.         audioDriver = setEngineSettings(self.host)

  788.         firstInit   = self.fFirstEngineInit

  789. 

  790.         self.fFirstEngineInit = False

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

  792. 

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

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

  795.                 settings = QSettings()

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

  797.                 del settings

  798.                 self.host.transport_bpm(lastBpm)

  799.             return

  800. 

  801.         elif firstInit:

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

  803.             return

  804. 

  805.         audioError = self.host.get_last_error()

  806. 

  807.         if audioError:

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

  809.         else:

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

  811. 

  812.     @pyqtSlot()

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

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

  815. 

  816.         if self.fPluginCount == 0:

  817.             self.engineStopFinal()

  818.             return True

  819. 

  820.         if not forced:

  821.             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"

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

  823.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  824.             if ask != QMessageBox.Yes:

  825.                 return False

  826. 

  827.         return self.slot_engineStopTryAgain()

  828. 

  829.     @pyqtSlot()

  830.     def slot_engineStopTryAgain(self):

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

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

  833.             return False

  834. 

  835.         self.engineStopFinal()

  836.         return True

  837. 

  838.     def engineStopFinal(self):

  839.         self.killTimers()

  840.         self.removeAllPlugins()

  841. 

  842.         if self.host.is_engine_running():

  843.             self.host.remove_all_plugins()

  844. 

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

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

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

  848. 

  849.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  850.             self.close()

  851.         elif self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  852.             self.slot_engineStart()

  853.             self.loadProjectNow()

  854.             self.host.nsm_ready(2) # open

  855. 

  856.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  857. 

  858.     # --------------------------------------------------------------------------------------------------------

  859.     # Engine (host callbacks)

  860. 

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

  862.     def slot_handleEngineStartedCallback(self, processMode, transportMode, sampleRate, driverName):

  863.         self.fSampleRate = sampleRate

  864. 

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

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

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

  868. 

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

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

  871. 

  872.         if processMode == ENGINE_PROCESS_MODE_PATCHBAY and not (self.host.isControl or self.host.isPlugin):

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

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

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

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

  877.         else:

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

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

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

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

  882. 

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

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

  885. 

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

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

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

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

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

  891.             self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  892. 

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

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

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

  896. 

  897.         self.refreshTransport(True)

  898. 

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

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

  901. 

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

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

  904. 

  905.         self.startTimers()

  906. 

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

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

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

  910.         self.ui.text_logs.appendPlainText("  Sample rate:  %.1f" % sampleRate)

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

  912. 

  913.     @pyqtSlot()

  914.     def slot_handleEngineStoppedCallback(self):

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

  916. 

  917.         patchcanvas.clear()

  918.         self.killTimers()

  919. 

  920.         # just in case

  921.         self.removeAllPlugins()

  922. 

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

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

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

  926. 

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

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

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

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

  931. 

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

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

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

  935. 

  936.     @pyqtSlot(int, str)

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

  938.         self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  939. 

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

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

  942. 

  943.     @pyqtSlot(float)

  944.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  945.         self.fSampleRate = newSampleRate

  946.         self.refreshTransport(True)

  947. 

  948.     @pyqtSlot()

  949.     def slot_handleProjectLoadFinishedCallback(self):

  950.         self.fIsProjectLoading = False

  951.         self.projectLoadingFinished()

  952. 

  953.     # --------------------------------------------------------------------------------------------------------

  954.     # Plugins

  955. 

  956.     def removeAllPlugins(self):

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

  958.         patchcanvas.handleAllPluginsRemoved()

  959. 

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

  961.             pass

  962. 

  963.         self.clearSideStuff()

  964. 

  965.         for pitem in self.fPluginList:

  966.             if pitem is None:

  967.                 continue

  968. 

  969.             pitem.close()

  970.             del pitem

  971. 

  972.         self.fPluginCount = 0

  973.         self.fPluginList  = []

  974. 

  975.     # --------------------------------------------------------------------------------------------------------

  976.     # Plugins (menu actions)

  977. 

  978.     def showAddPluginDialog(self):

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

  980. 

  981.         if not dialog.exec_():

  982.             return

  983. 

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

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

  986.             return

  987. 

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

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

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

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

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

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

  994. 

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

  996. 

  997.     def showAddJackAppDialog(self):

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

  999. 

  1000.         if not dialog.exec_():

  1001.             return

  1002. 

  1003.         if not self.host.is_engine_running():

  1004.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1005.             return

  1006. 

  1007.         return dialog.getCommandAndFlags()

  1008. 

  1009.     @pyqtSlot()

  1010.     def showPluginActionsMenu(self):

  1011.         menu = QMenu(self)

  1012. 

  1013.         if config_UseQt5:

  1014.             menu.addSection("Plugins")

  1015.         else:

  1016.             # fake section

  1017.             act  = menu.addAction("  Plugins")

  1018.             font = act.font()

  1019.             font.setBold(True)

  1020.             act.setFont(font)

  1021.             act.setEnabled(False)

  1022.             menu.addSeparator()

  1023. 

  1024.         menu.addAction(self.ui.act_plugin_add)

  1025.         menu.addAction(self.ui.act_plugin_remove_all)

  1026. 

  1027.         if config_UseQt5:

  1028.             menu.addSection("All plugins (macros)")

  1029.         else:

  1030.             # fake space

  1031.             act  = menu.addAction(" ")

  1032.             font = act.font()

  1033.             font.setBold(True)

  1034.             font.setPointSize(font.pointSize()/2)

  1035.             act.setEnabled(False)

  1036. 

  1037.             # fake section

  1038.             act  = menu.addAction("  All plugins (macros)")

  1039.             font = act.font()

  1040.             font.setBold(True)

  1041.             act.setFont(font)

  1042.             act.setEnabled(False)

  1043.             menu.addSeparator()

  1044. 

  1045.         menu.addAction(self.ui.act_plugins_enable)

  1046.         menu.addAction(self.ui.act_plugins_disable)

  1047.         menu.addSeparator()

  1048.         menu.addAction(self.ui.act_plugins_volume100)

  1049.         menu.addAction(self.ui.act_plugins_mute)

  1050.         menu.addSeparator()

  1051.         menu.addAction(self.ui.act_plugins_wet100)

  1052.         menu.addAction(self.ui.act_plugins_bypass)

  1053.         menu.addSeparator()

  1054.         menu.addAction(self.ui.act_plugins_center)

  1055.         menu.addSeparator()

  1056.         menu.addAction(self.ui.act_plugins_compact)

  1057.         menu.addAction(self.ui.act_plugins_expand)

  1058. 

  1059.         menu.exec_(QCursor.pos())

  1060. 

  1061.     @pyqtSlot()

  1062.     def slot_pluginAdd(self):

  1063.         data = self.showAddPluginDialog()

  1064. 

  1065.         if data is None:

  1066.             return

  1067. 

  1068.         btype, ptype, filename, label, uniqueId, extraPtr = data

  1069. 

  1070.         if not self.host.add_plugin(btype, ptype, filename, None, label, uniqueId, extraPtr, 0x0):

  1071.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"), self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1072. 

  1073.     @pyqtSlot()

  1074.     def slot_confirmRemoveAll(self):

  1075.         if self.fPluginCount == 0:

  1076.             return

  1077. 

  1078.         if QMessageBox.question(self, self.tr("Remove All"),

  1079.                                       self.tr("Are you sure you want to remove all plugins?"),

  1080.                                       QMessageBox.Yes|QMessageBox.No) == QMessageBox.No:

  1081.             return

  1082. 

  1083.         self.pluginRemoveAll()

  1084. 

  1085.     def pluginRemoveAll(self):

  1086.         if self.fPluginCount == 0:

  1087.             return

  1088. 

  1089.         # FIXME - this is not working

  1090.         # removing a plugin causes flicker, the rack-list becomes empty for some time

  1091.         # this breaks the remove-all animation, so don't bother using it

  1092.         if False and not self.host.isPlugin:

  1093.             self.projectLoadingStarted()

  1094. 

  1095.             app = QApplication.instance()

  1096.             app.processEvents()

  1097. 

  1098.             for i in reversed(range(self.fPluginCount)):

  1099.                 self.host.remove_plugin(i)

  1100.                 app.processEvents()

  1101. 

  1102.             self.projectLoadingFinished()

  1103. 

  1104.         self.fCurrentlyRemovingAllPlugins = True

  1105.         ok = self.host.remove_all_plugins()

  1106.         self.fCurrentlyRemovingAllPlugins = False

  1107. 

  1108.         if ok:

  1109.             self.removeAllPlugins()

  1110.         else:

  1111.             CustomMessageBox(self, QMessageBox.Warning, self.tr("Error"), self.tr("Operation failed"),

  1112.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1113. 

  1114.         self.fCurrentlyRemovingAllPlugins = False

  1115. 

  1116.     @pyqtSlot()

  1117.     def slot_jackAppAdd(self):

  1118.         data = self.showAddJackAppDialog()

  1119. 

  1120.         if data is None:

  1121.             return

  1122. 

  1123.         filename, name, label = data

  1124. 

  1125.         if not filename:

  1126.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Cannot add jack application"),

  1127.                                    self.tr("command is empty"), QMessageBox.Ok, QMessageBox.Ok)

  1128.             return

  1129. 

  1130.         if not self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, filename, name, label, 0, None, 0x0):

  1131.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1132.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1133. 

  1134.     # --------------------------------------------------------------------------------------------------------

  1135.     # Plugins (macros)

  1136. 

  1137.     @pyqtSlot()

  1138.     def slot_pluginsEnable(self):

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

  1140.             return

  1141. 

  1142.         for pitem in self.fPluginList:

  1143.             if pitem is None:

  1144.                 break

  1145. 

  1146.             pitem.getWidget().setActive(True, True, True)

  1147. 

  1148.     @pyqtSlot()

  1149.     def slot_pluginsDisable(self):

  1150.         if not self.host.is_engine_running():

  1151.             return

  1152. 

  1153.         for pitem in self.fPluginList:

  1154.             if pitem is None:

  1155.                 break

  1156. 

  1157.             pitem.getWidget().setActive(False, True, True)

  1158. 

  1159.     @pyqtSlot()

  1160.     def slot_pluginsVolume100(self):

  1161.         if not self.host.is_engine_running():

  1162.             return

  1163. 

  1164.         for pitem in self.fPluginList:

  1165.             if pitem is None:

  1166.                 break

  1167. 

  1168.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 1.0)

  1169. 

  1170.     @pyqtSlot()

  1171.     def slot_pluginsMute(self):

  1172.         if not self.host.is_engine_running():

  1173.             return

  1174. 

  1175.         for pitem in self.fPluginList:

  1176.             if pitem is None:

  1177.                 break

  1178. 

  1179.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 0.0)

  1180. 

  1181.     @pyqtSlot()

  1182.     def slot_pluginsWet100(self):

  1183.         if not self.host.is_engine_running():

  1184.             return

  1185. 

  1186.         for pitem in self.fPluginList:

  1187.             if pitem is None:

  1188.                 break

  1189. 

  1190.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 1.0)

  1191. 

  1192.     @pyqtSlot()

  1193.     def slot_pluginsBypass(self):

  1194.         if not self.host.is_engine_running():

  1195.             return

  1196. 

  1197.         for pitem in self.fPluginList:

  1198.             if pitem is None:

  1199.                 break

  1200. 

  1201.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 0.0)

  1202. 

  1203.     @pyqtSlot()

  1204.     def slot_pluginsCenter(self):

  1205.         if not self.host.is_engine_running():

  1206.             return

  1207. 

  1208.         for pitem in self.fPluginList:

  1209.             if pitem is None:

  1210.                 break

  1211. 

  1212.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1213.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1214.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1215. 

  1216.     @pyqtSlot()

  1217.     def slot_pluginsCompact(self):

  1218.         for pitem in self.fPluginList:

  1219.             if pitem is None:

  1220.                 break

  1221.             pitem.compact()

  1222. 

  1223.     @pyqtSlot()

  1224.     def slot_pluginsExpand(self):

  1225.         for pitem in self.fPluginList:

  1226.             if pitem is None:

  1227.                 break

  1228.             pitem.expand()

  1229. 

  1230.     # --------------------------------------------------------------------------------------------------------

  1231.     # Plugins (host callbacks)

  1232. 

  1233.     @pyqtSlot(int, str)

  1234.     def slot_handlePluginAddedCallback(self, pluginId, pluginName):

  1235.         pitem = self.ui.listWidget.createItem(pluginId)

  1236. 

  1237.         self.fPluginList.append(pitem)

  1238.         self.fPluginCount += 1

  1239. 

  1240.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1241. 

  1242.     @pyqtSlot(int)

  1243.     def slot_handlePluginRemovedCallback(self, pluginId):

  1244.         patchcanvas.handlePluginRemoved(pluginId)

  1245. 

  1246.         if pluginId in self.fSelectedPlugins:

  1247.             self.clearSideStuff()

  1248. 

  1249.         pitem = self.getPluginItem(pluginId)

  1250. 

  1251.         self.fPluginCount -= 1

  1252.         self.fPluginList.pop(pluginId)

  1253.         self.ui.listWidget.takeItem(pluginId)

  1254. 

  1255.         if pitem is not None:

  1256.             pitem.close()

  1257.             del pitem

  1258. 

  1259.         # push all plugins 1 slot back

  1260.         for i in range(pluginId, self.fPluginCount):

  1261.             pitem = self.fPluginList[i]

  1262.             pitem.setPluginId(i)

  1263. 

  1264.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1265. 

  1266.     # --------------------------------------------------------------------------------------------------------

  1267.     # Canvas

  1268. 

  1269.     def clearSideStuff(self):

  1270.         self.scene.clearSelection()

  1271. 

  1272.         self.fSelectedPlugins = []

  1273. 

  1274.         self.ui.keyboard.allNotesOff(False)

  1275.         self.ui.scrollArea.setEnabled(False)

  1276. 

  1277.         self.fPeaksCleared = True

  1278.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1279.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1280.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1281.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1282. 

  1283.     def setupCanvas(self):

  1284.         pOptions = patchcanvas.options_t()

  1285.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1286.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1287.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1288.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1289.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1290. 

  1291.         if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY]:

  1292.             pOptions.eyecandy      = patchcanvas.EYECANDY_FULL

  1293.         elif self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]:

  1294.             pOptions.eyecandy      = patchcanvas.EYECANDY_SMALL

  1295.         else:

  1296.             pOptions.eyecandy      = patchcanvas.EYECANDY_NONE

  1297. 

  1298.         pFeatures = patchcanvas.features_t()

  1299.         pFeatures.group_info   = False

  1300.         pFeatures.group_rename = False

  1301.         pFeatures.port_info    = False

  1302.         pFeatures.port_rename  = False

  1303.         pFeatures.handle_group_pos = True

  1304. 

  1305.         patchcanvas.setOptions(pOptions)

  1306.         patchcanvas.setFeatures(pFeatures)

  1307.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1308. 

  1309.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1310. 

  1311.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1312.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1313.             self.fCanvasHeight = int(tryCanvasSize[1])

  1314.         else:

  1315.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1316.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1317. 

  1318.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1319.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1320.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1321. 

  1322.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1323.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1324. 

  1325.     def updateCanvasInitialPos(self):

  1326.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1327.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1328.         patchcanvas.setInitialPos(x, y)

  1329. 

  1330.     def updateMiniCanvasLater(self):

  1331.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1332. 

  1333.     # --------------------------------------------------------------------------------------------------------

  1334.     # Canvas (menu actions)

  1335. 

  1336.     @pyqtSlot()

  1337.     def slot_canvasShowInternal(self):

  1338.         self.fExternalPatchbay = False

  1339.         self.ui.act_canvas_show_internal.blockSignals(True)

  1340.         self.ui.act_canvas_show_external.blockSignals(True)

  1341.         self.ui.act_canvas_show_internal.setChecked(True)

  1342.         self.ui.act_canvas_show_external.setChecked(False)

  1343.         self.ui.act_canvas_show_internal.blockSignals(False)

  1344.         self.ui.act_canvas_show_external.blockSignals(False)

  1345.         self.slot_canvasRefresh()

  1346. 

  1347.     @pyqtSlot()

  1348.     def slot_canvasShowExternal(self):

  1349.         self.fExternalPatchbay = True

  1350.         self.ui.act_canvas_show_internal.blockSignals(True)

  1351.         self.ui.act_canvas_show_external.blockSignals(True)

  1352.         self.ui.act_canvas_show_internal.setChecked(False)

  1353.         self.ui.act_canvas_show_external.setChecked(True)

  1354.         self.ui.act_canvas_show_internal.blockSignals(False)

  1355.         self.ui.act_canvas_show_external.blockSignals(False)

  1356.         self.slot_canvasRefresh()

  1357. 

  1358.     @pyqtSlot()

  1359.     def slot_canvasArrange(self):

  1360.         patchcanvas.arrange()

  1361. 

  1362.     @pyqtSlot()

  1363.     def slot_canvasRefresh(self):

  1364.         patchcanvas.clear()

  1365. 

  1366.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and (self.host.isControl or self.host.isPlugin):

  1367.             return

  1368. 

  1369.         if self.host.is_engine_running():

  1370.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1371. 

  1372.         self.updateMiniCanvasLater()

  1373. 

  1374.     @pyqtSlot()

  1375.     def slot_canvasZoomFit(self):

  1376.         self.scene.zoom_fit()

  1377. 

  1378.     @pyqtSlot()

  1379.     def slot_canvasZoomIn(self):

  1380.         self.scene.zoom_in()

  1381. 

  1382.     @pyqtSlot()

  1383.     def slot_canvasZoomOut(self):

  1384.         self.scene.zoom_out()

  1385. 

  1386.     @pyqtSlot()

  1387.     def slot_canvasZoomReset(self):

  1388.         self.scene.zoom_reset()

  1389. 

  1390.     @pyqtSlot()

  1391.     def slot_canvasSaveImage(self):

  1392.         newPath = QFileDialog.getSaveFileName(self, self.tr("Save Image"), filter=self.tr("PNG Image (*.png);;JPEG Image (*.jpg)"))

  1393. 

  1394.         if config_UseQt5:

  1395.             newPath = newPath[0]

  1396.         if not newPath:

  1397.             return

  1398. 

  1399.         self.scene.clearSelection()

  1400. 

  1401.         if newPath.lower().endswith((".jpg", ".jpeg")):

  1402.             imgFormat = "JPG"

  1403.         elif newPath.lower().endswith((".png",)):

  1404.             imgFormat = "PNG"

  1405.         else:

  1406.             # File-dialog may not auto-add the extension

  1407.             imgFormat = "PNG"

  1408.             newPath  += ".png"

  1409. 

  1410.         self.fExportImage = QImage(self.scene.sceneRect().width(), self.scene.sceneRect().height(), QImage.Format_RGB32)

  1411.         painter = QPainter(self.fExportImage)

  1412.         painter.save()

  1413.         painter.setRenderHint(QPainter.Antialiasing) # TODO - set true, cleanup this

  1414.         painter.setRenderHint(QPainter.TextAntialiasing)

  1415.         self.scene.render(painter)

  1416.         self.fExportImage.save(newPath, imgFormat, 100)

  1417.         painter.restore()

  1418. 

  1419.     # --------------------------------------------------------------------------------------------------------

  1420.     # Canvas (canvas callbacks)

  1421. 

  1422.     @pyqtSlot(int, int, QPointF)

  1423.     def slot_canvasItemMoved(self, group_id, split_mode, pos):

  1424.         self.updateMiniCanvasLater()

  1425. 

  1426.     @pyqtSlot()

  1427.     def slot_canvasSelectionChanged(self):

  1428.         self.updateMiniCanvasLater()

  1429. 

  1430.     @pyqtSlot(float)

  1431.     def slot_canvasScaleChanged(self, scale):

  1432.         self.ui.miniCanvasPreview.setViewScale(scale)

  1433. 

  1434.     @pyqtSlot(list)

  1435.     def slot_canvasPluginSelected(self, pluginList):

  1436.         self.ui.keyboard.allNotesOff(False)

  1437.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1438.         self.fSelectedPlugins = pluginList

  1439. 

  1440.     # --------------------------------------------------------------------------------------------------------

  1441.     # Canvas (host callbacks)

  1442. 

  1443.     @pyqtSlot(int, int, int, str)

  1444.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1445.         pcSplit = patchcanvas.SPLIT_UNDEF

  1446.         pcIcon  = patchcanvas.ICON_APPLICATION

  1447. 

  1448.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1449.             pcIcon = patchcanvas.ICON_PLUGIN

  1450.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1451.             pcIcon = patchcanvas.ICON_HARDWARE

  1452.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1453.             pass

  1454.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1455.             pcIcon = patchcanvas.ICON_DISTRHO

  1456.         elif clientIcon == PATCHBAY_ICON_FILE:

  1457.             pcIcon = patchcanvas.ICON_FILE

  1458. 

  1459.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1460. 

  1461.         self.updateMiniCanvasLater()

  1462. 

  1463.         if pluginId < 0:

  1464.             return

  1465.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1466.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1467.             return

  1468. 

  1469.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1470.             hasCustomUI = False

  1471.         else:

  1472.             hasCustomUI = bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI)

  1473. 

  1474.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI)

  1475. 

  1476.     @pyqtSlot(int)

  1477.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1478.         patchcanvas.removeGroup(clientId)

  1479.         self.updateMiniCanvasLater()

  1480. 

  1481.     @pyqtSlot(int, str)

  1482.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1483.         patchcanvas.renameGroup(clientId, newClientName)

  1484.         self.updateMiniCanvasLater()

  1485. 

  1486.     @pyqtSlot(int, int, int)

  1487.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1488.         pcIcon = patchcanvas.ICON_APPLICATION

  1489. 

  1490.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1491.             pcIcon = patchcanvas.ICON_PLUGIN

  1492.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1493.             pcIcon = patchcanvas.ICON_HARDWARE

  1494.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1495.             pass

  1496.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1497.             pcIcon = patchcanvas.ICON_DISTRHO

  1498.         elif clientIcon == PATCHBAY_ICON_FILE:

  1499.             pcIcon = patchcanvas.ICON_FILE

  1500. 

  1501.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1502.         self.updateMiniCanvasLater()

  1503. 

  1504.         if pluginId < 0:

  1505.             return

  1506.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1507.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1508.             return

  1509. 

  1510.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1511.             hasCustomUI = False

  1512.         else:

  1513.             hasCustomUI = bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI)

  1514. 

  1515.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI)

  1516. 

  1517.     @pyqtSlot(int, int, int, str)

  1518.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portName):

  1519.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1520.             portMode = patchcanvas.PORT_MODE_INPUT

  1521.         else:

  1522.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1523. 

  1524.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1525.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1526.             isAlternate = False

  1527.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1528.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1529.             isAlternate = True

  1530.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1531.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1532.             isAlternate = False

  1533.         else:

  1534.             portType    = patchcanvas.PORT_TYPE_NULL

  1535.             isAlternate = False

  1536. 

  1537.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1538.         self.updateMiniCanvasLater()

  1539. 

  1540.     @pyqtSlot(int, int)

  1541.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  1542.         patchcanvas.removePort(groupId, portId)

  1543.         self.updateMiniCanvasLater()

  1544. 

  1545.     @pyqtSlot(int, int, str)

  1546.     def slot_handlePatchbayPortRenamedCallback(self, groupId, portId, newPortName):

  1547.         patchcanvas.renamePort(groupId, portId, newPortName)

  1548.         self.updateMiniCanvasLater()

  1549. 

  1550.     @pyqtSlot(int, int, int, int, int)

  1551.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1552.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1553.         self.updateMiniCanvasLater()

  1554. 

  1555.     @pyqtSlot(int, int, int)

  1556.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1557.         patchcanvas.disconnectPorts(connectionId)

  1558.         self.updateMiniCanvasLater()

  1559. 

  1560.     # --------------------------------------------------------------------------------------------------------

  1561.     # Settings

  1562. 

  1563.     def saveSettings(self):

  1564.         settings = QSettings()

  1565. 

  1566.         settings.setValue("Geometry", self.saveGeometry())

  1567.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  1568.         settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  1569. 

  1570.         diskFolders = []

  1571. 

  1572.         for i in range(self.ui.cb_disk.count()):

  1573.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1574. 

  1575.         settings.setValue("DiskFolders", diskFolders)

  1576.         settings.setValue("LastBPM", self.fLastTransportBPM)

  1577. 

  1578.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1579.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1580.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1581.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1582. 

  1583.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_MODE,  self.host.transportMode)

  1584.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, self.host.transportExtra)

  1585. 

  1586.     def loadSettings(self, firstTime):

  1587.         settings = QSettings()

  1588. 

  1589.         if firstTime:

  1590.             self.restoreGeometry(settings.value("Geometry", b""))

  1591. 

  1592.             showToolbar = settings.value("ShowToolbar", True, type=bool)

  1593.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1594.             self.ui.toolBar.setEnabled(showToolbar)

  1595.             self.ui.toolBar.setVisible(showToolbar)

  1596. 

  1597.             #if settings.contains("SplitterState"):

  1598.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  1599.             #else:

  1600.                 #self.ui.splitter.setSizes([210, 99999])

  1601. 

  1602.             showSidePanel = settings.value("ShowSidePanel", True, type=bool)

  1603.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  1604.             self.slot_showSidePanel(showSidePanel)

  1605. 

  1606.             diskFolders = toList(settings.value("DiskFolders", [HOME]))

  1607. 

  1608.             self.ui.cb_disk.setItemData(0, HOME)

  1609. 

  1610.             for i in range(len(diskFolders)):

  1611.                 if i == 0: continue

  1612.                 folder = diskFolders[i]

  1613.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1614. 

  1615.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, type=bool):

  1616.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1617. 

  1618.             showMeters = settings.value("ShowMeters", True, type=bool)

  1619.             self.ui.act_settings_show_meters.setChecked(showMeters)

  1620.             self.ui.peak_in.setVisible(showMeters)

  1621.             self.ui.peak_out.setVisible(showMeters)

  1622. 

  1623.             showKeyboard = settings.value("ShowKeyboard", True, type=bool)

  1624.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  1625.             self.ui.scrollArea.setVisible(showKeyboard)

  1626. 

  1627.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  1628. 

  1629.         # TODO - complete this

  1630. 

  1631.         self.fSavedSettings = {

  1632.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      type=str),

  1633.             CARLA_KEY_MAIN_CONFIRM_EXIT:        settings.value(CARLA_KEY_MAIN_CONFIRM_EXIT,        CARLA_DEFAULT_MAIN_CONFIRM_EXIT,        type=bool),

  1634.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    type=int),

  1635.             CARLA_KEY_MAIN_EXPERIMENTAL:        settings.value(CARLA_KEY_MAIN_EXPERIMENTAL,        CARLA_DEFAULT_MAIN_EXPERIMENTAL,        type=bool),

  1636.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             type=str),

  1637.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              type=str),

  1638.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  type=bool),

  1639.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, type=bool),

  1640.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  type=bool),

  1641.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         type=bool),

  1642.             CARLA_KEY_CANVAS_FANCY_EYE_CANDY:   settings.value(CARLA_KEY_CANVAS_FANCY_EYE_CANDY,   CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY,   type=bool),

  1643.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        type=bool),

  1644.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      type=int),

  1645.             CARLA_KEY_CANVAS_HQ_ANTIALIASING:   settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   type=bool),

  1646.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   type=bool) and

  1647.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", type=str).lower() == "black"),

  1648.         }

  1649. 

  1650.         settings = QSettings("falkTX", "Carla2")

  1651. 

  1652.         if self.host.experimental and not self.host.isControl:

  1653.             self.ui.act_add_jack.setVisible(settings.value(CARLA_KEY_EXPERIMENTAL_JACK_APPS,

  1654.                                                            CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS, type=bool))

  1655.         else:

  1656.             self.ui.act_add_jack.setVisible(False)

  1657. 

  1658.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY] else 0

  1659. 

  1660.         setEngineSettings(self.host)

  1661.         self.restartTimersIfNeeded()

  1662. 

  1663.     # --------------------------------------------------------------------------------------------------------

  1664.     # Settings (helpers)

  1665. 

  1666.     def enableTransport(self, enabled):

  1667.         self.ui.group_transport_controls.setEnabled(enabled)

  1668.         self.ui.group_transport_settings.setEnabled(enabled)

  1669. 

  1670.     @pyqtSlot()

  1671.     def slot_restoreCanvasScrollbarValues(self):

  1672.         settings = QSettings()

  1673.         self.ui.graphicsView.horizontalScrollBar().setValue(settings.value("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().maximum()/2, type=int))

  1674.         self.ui.graphicsView.verticalScrollBar().setValue(settings.value("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().maximum()/2, type=int))

  1675. 

  1676.     # --------------------------------------------------------------------------------------------------------

  1677.     # Settings (menu actions)

  1678. 

  1679.     @pyqtSlot(bool)

  1680.     def slot_showSidePanel(self, yesNo):

  1681.         self.ui.dockWidget.setEnabled(yesNo)

  1682.         self.ui.dockWidget.setVisible(yesNo)

  1683. 

  1684.     @pyqtSlot(bool)

  1685.     def slot_showToolbar(self, yesNo):

  1686.         self.ui.toolBar.setEnabled(yesNo)

  1687.         self.ui.toolBar.setVisible(yesNo)

  1688. 

  1689.     @pyqtSlot(bool)

  1690.     def slot_showCanvasMeters(self, yesNo):

  1691.         self.ui.peak_in.setVisible(yesNo)

  1692.         self.ui.peak_out.setVisible(yesNo)

  1693.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1694. 

  1695.     @pyqtSlot(bool)

  1696.     def slot_showCanvasKeyboard(self, yesNo):

  1697.         self.ui.scrollArea.setVisible(yesNo)

  1698.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1699. 

  1700.     @pyqtSlot()

  1701.     def slot_configureCarla(self):

  1702.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  1703.         if not dialog.exec_():

  1704.             return

  1705. 

  1706.         self.loadSettings(False)

  1707. 

  1708.         patchcanvas.clear()

  1709. 

  1710.         self.setupCanvas()

  1711.         self.slot_miniCanvasCheckAll()

  1712. 

  1713.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1714.             pass

  1715.         elif self.host.is_engine_running():

  1716.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1717. 

  1718.     # --------------------------------------------------------------------------------------------------------

  1719.     # About (menu actions)

  1720. 

  1721.     @pyqtSlot()

  1722.     def slot_aboutCarla(self):

  1723.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  1724. 

  1725.     @pyqtSlot()

  1726.     def slot_aboutQt(self):

  1727.         QApplication.instance().aboutQt()

  1728. 

  1729.     # --------------------------------------------------------------------------------------------------------

  1730.     # Disk (menu actions)

  1731. 

  1732.     @pyqtSlot(int)

  1733.     def slot_diskFolderChanged(self, index):

  1734.         if index < 0:

  1735.             return

  1736.         elif index == 0:

  1737.             filename = HOME

  1738.             self.ui.b_disk_remove.setEnabled(False)

  1739.         else:

  1740.             filename = self.ui.cb_disk.itemData(index)

  1741.             self.ui.b_disk_remove.setEnabled(True)

  1742. 

  1743.         self.fDirModel.setRootPath(filename)

  1744.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  1745. 

  1746.     @pyqtSlot()

  1747.     def slot_diskFolderAdd(self):

  1748.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  1749. 

  1750.         if newPath:

  1751.             if newPath[-1] == os.sep:

  1752.                 newPath = newPath[:-1]

  1753.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  1754.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  1755.             self.ui.b_disk_remove.setEnabled(True)

  1756. 

  1757.     @pyqtSlot()

  1758.     def slot_diskFolderRemove(self):

  1759.         index = self.ui.cb_disk.currentIndex()

  1760. 

  1761.         if index <= 0:

  1762.             return

  1763. 

  1764.         self.ui.cb_disk.removeItem(index)

  1765. 

  1766.         if self.ui.cb_disk.currentIndex() == 0:

  1767.             self.ui.b_disk_remove.setEnabled(False)

  1768. 

  1769.     @pyqtSlot(QModelIndex)

  1770.     def slot_fileTreeDoubleClicked(self, modelIndex):

  1771.         filename = self.fDirModel.filePath(modelIndex)

  1772. 

  1773.         if not self.ui.listWidget.isDragUrlValid(filename):

  1774.             return

  1775. 

  1776.         if not self.host.load_file(filename):

  1777.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  1778.                              self.tr("Failed to load file"),

  1779.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1780. 

  1781.     # --------------------------------------------------------------------------------------------------------

  1782.     # Transport

  1783. 

  1784.     def refreshTransport(self, forced = False):

  1785.         if not self.isVisible():

  1786.             return

  1787.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  1788.             return

  1789. 

  1790.         timeInfo = self.host.get_transport_info()

  1791.         playing  = timeInfo['playing']

  1792.         frame    = timeInfo['frame']

  1793.         bpm      = timeInfo['bpm']

  1794. 

  1795.         if playing != self.fLastTransportState or forced:

  1796.             if playing:

  1797.                 icon = getIcon("media-playback-pause")

  1798.                 self.ui.b_transport_play.setChecked(True)

  1799.                 self.ui.b_transport_play.setIcon(icon)

  1800.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  1801.             else:

  1802.                 icon = getIcon("media-playback-start")

  1803.                 self.ui.b_transport_play.setChecked(False)

  1804.                 self.ui.b_transport_play.setIcon(icon)

  1805.                 #self.ui.b_play.setText(self.tr("&Play"))

  1806. 

  1807.             self.fLastTransportState = playing

  1808. 

  1809.         if frame != self.fLastTransportFrame or forced:

  1810.             self.fLastTransportFrame = frame

  1811. 

  1812.             time = frame / self.fSampleRate

  1813.             secs =  time % 60

  1814.             mins = (time / 60) % 60

  1815.             hrs  = (time / 3600) % 60

  1816.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  1817. 

  1818.             frame1 =  frame % 1000

  1819.             frame2 = (frame / 1000) % 1000

  1820.             frame3 = (frame / 1000000) % 1000

  1821.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  1822. 

  1823.             bar  = timeInfo['bar']

  1824.             beat = timeInfo['beat']

  1825.             tick = timeInfo['tick']

  1826.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  1827. 

  1828.         if bpm != self.fLastTransportBPM or forced:

  1829.             self.fLastTransportBPM = bpm

  1830. 

  1831.             if bpm > 0.0:

  1832.                 self.ui.dsb_transport_bpm.blockSignals(True)

  1833.                 self.ui.dsb_transport_bpm.setValue(bpm)

  1834.                 self.ui.dsb_transport_bpm.blockSignals(False)

  1835.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  1836.             else:

  1837.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  1838. 

  1839.     # --------------------------------------------------------------------------------------------------------

  1840.     # Transport (menu actions)

  1841. 

  1842.     @pyqtSlot(bool)

  1843.     def slot_transportPlayPause(self, toggled):

  1844.         if self.host.isPlugin or not self.host.is_engine_running():

  1845.             return

  1846. 

  1847.         if toggled:

  1848.             self.host.transport_play()

  1849.         else:

  1850.             self.host.transport_pause()

  1851. 

  1852.         self.refreshTransport()

  1853. 

  1854.     @pyqtSlot()

  1855.     def slot_transportStop(self):

  1856.         if self.host.isPlugin or not self.host.is_engine_running():

  1857.             return

  1858. 

  1859.         self.host.transport_pause()

  1860.         self.host.transport_relocate(0)

  1861. 

  1862.         self.refreshTransport()

  1863. 

  1864.     @pyqtSlot()

  1865.     def slot_transportBackwards(self):

  1866.         if self.host.isPlugin or not self.host.is_engine_running():

  1867.             return

  1868. 

  1869.         newFrame = self.host.get_current_transport_frame() - 100000

  1870. 

  1871.         if newFrame < 0:

  1872.             newFrame = 0

  1873. 

  1874.         self.host.transport_relocate(newFrame)

  1875. 

  1876.     @pyqtSlot(float)

  1877.     def slot_transportBpmChanged(self, newValue):

  1878.         self.host.transport_bpm(newValue)

  1879. 

  1880.     @pyqtSlot()

  1881.     def slot_transportForwards(self):

  1882.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  1883.             return

  1884. 

  1885.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  1886.         self.host.transport_relocate(newFrame)

  1887. 

  1888.     @pyqtSlot(bool)

  1889.     def slot_transportJackEnabled(self, clicked):

  1890.         if not self.host.is_engine_running():

  1891.             return

  1892.         self.host.transportMode = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  1893.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  1894.                                     self.host.transportMode,

  1895.                                     self.host.transportExtra)

  1896. 

  1897.     @pyqtSlot(bool)

  1898.     def slot_transportLinkEnabled(self, clicked):

  1899.         if not self.host.is_engine_running():

  1900.             return

  1901.         extra = ":link:" if clicked else ""

  1902.         self.host.transportExtra = extra

  1903.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  1904.                                     self.host.transportMode,

  1905.                                     self.host.transportExtra)

  1906. 

  1907.     # --------------------------------------------------------------------------------------------------------

  1908.     # Canvas scrollbars

  1909. 

  1910.     @pyqtSlot(int)

  1911.     def slot_horizontalScrollBarChanged(self, value):

  1912.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  1913.         if maximum == 0:

  1914.             xp = 0

  1915.         else:

  1916.             xp = float(value) / maximum

  1917.         self.ui.miniCanvasPreview.setViewPosX(xp)

  1918.         self.updateCanvasInitialPos()

  1919. 

  1920.     @pyqtSlot(int)

  1921.     def slot_verticalScrollBarChanged(self, value):

  1922.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  1923.         if maximum == 0:

  1924.             yp = 0

  1925.         else:

  1926.             yp = float(value) / maximum

  1927.         self.ui.miniCanvasPreview.setViewPosY(yp)

  1928.         self.updateCanvasInitialPos()

  1929. 

  1930.     # --------------------------------------------------------------------------------------------------------

  1931.     # Canvas keyboard

  1932. 

  1933.     @pyqtSlot(int)

  1934.     def slot_noteOn(self, note):

  1935.         for pluginId in self.fSelectedPlugins:

  1936.             self.host.send_midi_note(pluginId, 0, note, 100)

  1937. 

  1938.             pedit = self.getPluginEditDialog(pluginId)

  1939.             pedit.noteOn(0, note, 100)

  1940. 

  1941.     @pyqtSlot(int)

  1942.     def slot_noteOff(self, note):

  1943.         for pluginId in self.fSelectedPlugins:

  1944.             self.host.send_midi_note(pluginId, 0, note, 0)

  1945. 

  1946.             pedit = self.getPluginEditDialog(pluginId)

  1947.             pedit.noteOff(0, note)

  1948. 

  1949.     # --------------------------------------------------------------------------------------------------------

  1950.     # Canvas keyboard (host callbacks)

  1951. 

  1952.     @pyqtSlot(int, int, int, int)

  1953.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  1954.         if pluginId in self.fSelectedPlugins:

  1955.             self.ui.keyboard.sendNoteOn(note, False)

  1956. 

  1957.     @pyqtSlot(int, int, int)

  1958.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  1959.         if pluginId in self.fSelectedPlugins:

  1960.             self.ui.keyboard.sendNoteOff(note, False)

  1961. 

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

  1963. 

  1964.     @pyqtSlot(int)

  1965.     def slot_handleUpdateCallback(self, pluginId):

  1966.         pitem = self.getPluginItem(pluginId)

  1967. 

  1968.         if pitem is None:

  1969.             return

  1970. 

  1971.         wasCompacted = pitem.isCompacted()

  1972.         isCompacted  = wasCompacted

  1973. 

  1974.         check = self.host.get_custom_data_value(pluginId, CUSTOM_DATA_TYPE_PROPERTY, "CarlaSkinIsCompacted")

  1975.         if not check:

  1976.             return

  1977.         isCompacted = bool(check == "true")

  1978. 

  1979.         if wasCompacted == isCompacted:

  1980.             return

  1981. 

  1982.         pitem.recreateWidget(True)

  1983. 

  1984.     # --------------------------------------------------------------------------------------------------------

  1985.     # MiniCanvas stuff

  1986. 

  1987.     @pyqtSlot()

  1988.     def slot_miniCanvasCheckAll(self):

  1989.         self.slot_miniCanvasCheckSize()

  1990.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  1991.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  1992. 

  1993.     @pyqtSlot()

  1994.     def slot_miniCanvasCheckSize(self):

  1995.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  1996.             return

  1997. 

  1998.         currentIndex = self.ui.tabWidget.currentIndex()

  1999. 

  2000.         if currentIndex == 1:

  2001.             width  = self.ui.graphicsView.width()

  2002.             height = self.ui.graphicsView.height()

  2003.         else:

  2004.             self.ui.tabWidget.blockSignals(True)

  2005.             self.ui.tabWidget.setCurrentIndex(1)

  2006.             width  = self.ui.graphicsView.width()

  2007.             height = self.ui.graphicsView.height()

  2008.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  2009.             self.ui.tabWidget.blockSignals(False)

  2010. 

  2011.         self.scene.updateLimits()

  2012. 

  2013.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  2014. 

  2015.     @pyqtSlot(float, float)

  2016.     def slot_miniCanvasMoved(self, xp, yp):

  2017.         hsb = self.ui.graphicsView.horizontalScrollBar()

  2018.         vsb = self.ui.graphicsView.verticalScrollBar()

  2019.         hsb.setValue(xp * hsb.maximum())

  2020.         vsb.setValue(yp * vsb.maximum())

  2021.         self.updateCanvasInitialPos()

  2022. 

  2023.     # --------------------------------------------------------------------------------------------------------

  2024.     # Timers

  2025. 

  2026.     def startTimers(self):

  2027.         if self.fIdleTimerFast == 0:

  2028.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2029. 

  2030.         if self.fIdleTimerSlow == 0:

  2031.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2032. 

  2033.     def restartTimersIfNeeded(self):

  2034.         if self.fIdleTimerFast != 0:

  2035.             self.killTimer(self.fIdleTimerFast)

  2036.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2037. 

  2038.         if self.fIdleTimerSlow != 0:

  2039.             self.killTimer(self.fIdleTimerSlow)

  2040.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2041. 

  2042.     def killTimers(self):

  2043.         if self.fIdleTimerFast != 0:

  2044.             self.killTimer(self.fIdleTimerFast)

  2045.             self.fIdleTimerFast = 0

  2046. 

  2047.         if self.fIdleTimerSlow != 0:

  2048.             self.killTimer(self.fIdleTimerSlow)

  2049.             self.fIdleTimerSlow = 0

  2050. 

  2051.     # --------------------------------------------------------------------------------------------------------

  2052.     # Misc

  2053. 

  2054.     @pyqtSlot(int)

  2055.     def slot_tabChanged(self, index):

  2056.         if index != 1:

  2057.             return

  2058. 

  2059.         self.ui.graphicsView.setFocus()

  2060. 

  2061.     @pyqtSlot(int)

  2062.     def slot_handleReloadAllCallback(self, pluginId):

  2063.         if pluginId >= self.fPluginCount:

  2064.             return

  2065. 

  2066.         pitem = self.fPluginList[pluginId]

  2067.         if pitem is None:

  2068.             return

  2069. 

  2070.         pitem.recreateWidget()

  2071. 

  2072.     # --------------------------------------------------------------------------------------------------------

  2073. 

  2074.     @pyqtSlot(int, int, str)

  2075.     def slot_handleNSMCallback(self, value1, value2, valueStr):

  2076.         # Error

  2077.         if value1 == 0:

  2078.             pass

  2079. 

  2080.         # Reply

  2081.         elif value1 == 1:

  2082.             self.fFirstEngineInit    = False

  2083.             self.fSessionManagerName = valueStr

  2084.             self.setProperWindowTitle()

  2085. 

  2086.         # Open

  2087.         elif value1 == 2:

  2088.             self.fClientName      = os.path.basename(valueStr)

  2089.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  2090.             self.setProperWindowTitle()

  2091. 

  2092.             self.fCustomStopAction = self.CUSTOM_ACTION_PROJECT_LOAD

  2093.             self.slot_engineStop(True)

  2094.             return

  2095. 

  2096.         # Save

  2097.         elif value1 == 3:

  2098.             self.saveProjectNow()

  2099. 

  2100.         # Session is Loaded

  2101.         elif value1 == 4:

  2102.             pass

  2103. 

  2104.         # Show Optional Gui

  2105.         elif value1 == 5:

  2106.             self.show()

  2107. 

  2108.         # Hide Optional Gui

  2109.         elif value1 == 6:

  2110.             self.hide()

  2111. 

  2112.         self.host.nsm_ready(value1)

  2113. 

  2114.     # --------------------------------------------------------------------------------------------------------

  2115. 

  2116.     def fixLogText(self, text):

  2117.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  2118. 

  2119.     @pyqtSlot(int, int, int, float, str)

  2120.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valueStr):

  2121.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  2122. 

  2123.     @pyqtSlot(str)

  2124.     def slot_handleInfoCallback(self, info):

  2125.         QMessageBox.information(self, "Information", info)

  2126. 

  2127.     @pyqtSlot(str)

  2128.     def slot_handleErrorCallback(self, error):

  2129.         QMessageBox.critical(self, "Error", error)

  2130. 

  2131.     @pyqtSlot()

  2132.     def slot_handleQuitCallback(self):

  2133.         pass # TODO

  2134. 

  2135.     # --------------------------------------------------------------------------------------------------------

  2136. 

  2137.     @pyqtSlot()

  2138.     def slot_handleSIGUSR1(self):

  2139.         print("Got SIGUSR1 -> Saving project now")

  2140.         self.slot_fileSave()

  2141. 

  2142.     @pyqtSlot()

  2143.     def slot_handleSIGTERM(self):

  2144.         print("Got SIGTERM -> Closing now")

  2145.         self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2146.         self.slot_engineStop(True)

  2147. 

  2148.     # --------------------------------------------------------------------------------------------------------

  2149.     # Internal stuff

  2150. 

  2151.     def getExtraPtr(self, plugin):

  2152.         ptype = plugin['type']

  2153. 

  2154.         if ptype == PLUGIN_LADSPA:

  2155.             uniqueId = plugin['uniqueId']

  2156. 

  2157.             self.maybeLoadRDFs()

  2158. 

  2159.             for rdfItem in self.fLadspaRdfList:

  2160.                 if rdfItem.UniqueID == uniqueId:

  2161.                     return pointer(rdfItem)

  2162. 

  2163.         elif ptype == PLUGIN_SF2:

  2164.             if plugin['name'].lower().endswith(" (16 outputs)"):

  2165.                 return self._true

  2166. 

  2167.         return None

  2168. 

  2169.     def maybeLoadRDFs(self):

  2170.         if not self.fLadspaRdfNeedsUpdate:

  2171.             return

  2172. 

  2173.         self.fLadspaRdfNeedsUpdate = False

  2174.         self.fLadspaRdfList = []

  2175. 

  2176.         if not haveLRDF:

  2177.             return

  2178. 

  2179.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  2180.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  2181. 

  2182.         if os.path.exists(frLadspaFile):

  2183.             frLadspa = open(frLadspaFile, 'r')

  2184. 

  2185.             try:

  2186.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  2187.             except:

  2188.                 pass

  2189. 

  2190.             frLadspa.close()

  2191. 

  2192.     # --------------------------------------------------------------------------------------------------------

  2193. 

  2194.     def getPluginCount(self):

  2195.         return self.fPluginCount

  2196. 

  2197.     def getPluginItem(self, pluginId):

  2198.         if pluginId >= self.fPluginCount:

  2199.             return None

  2200. 

  2201.         pitem = self.fPluginList[pluginId]

  2202.         if pitem is None:

  2203.             return None

  2204.         #if False:

  2205.             #return CarlaRackItem(self, 0, False)

  2206. 

  2207.         return pitem

  2208. 

  2209.     def getPluginEditDialog(self, pluginId):

  2210.         if pluginId >= self.fPluginCount:

  2211.             return None

  2212. 

  2213.         pitem = self.fPluginList[pluginId]

  2214.         if pitem is None:

  2215.             return None

  2216.         if False:

  2217.             return PluginEdit(self, self.host, 0)

  2218. 

  2219.         return pitem.getEditDialog()

  2220. 

  2221.     def getPluginSlotWidget(self, pluginId):

  2222.         if pluginId >= self.fPluginCount:

  2223.             return None

  2224. 

  2225.         pitem = self.fPluginList[pluginId]

  2226.         if pitem is None:

  2227.             return None

  2228.         #if False:

  2229.             #return AbstractPluginSlot()

  2230. 

  2231.         return pitem.getWidget()

  2232. 

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

  2234. 

  2235.     def waitForPendingEvents(self):

  2236.         pass

  2237. 

  2238.     # --------------------------------------------------------------------------------------------------------

  2239.     # show/hide event

  2240. 

  2241.     def showEvent(self, event):

  2242.         self.refreshTransport(True)

  2243.         QMainWindow.showEvent(self, event)

  2244. 

  2245.         # set our gui as parent for all plugins UIs

  2246.         if self.host.manageUIs and not (self.host.isControl or self.host.isPlugin):

  2247.             if MACOS:

  2248.                 nsViewPtr = int(self.winId())

  2249.                 winIdStr  = "%x" % gCarla.utils.cocoa_get_window(nsViewPtr)

  2250.             else:

  2251.                 winIdStr = "%x" % int(self.winId())

  2252.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2253. 

  2254.     def hideEvent(self, event):

  2255.         # disable parent

  2256.         if not (self.host.isControl or self.host.isPlugin):

  2257.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2258. 

  2259.         QMainWindow.hideEvent(self, event)

  2260. 

  2261.     # --------------------------------------------------------------------------------------------------------

  2262.     # resize event

  2263. 

  2264.     def resizeEvent(self, event):

  2265.         QMainWindow.resizeEvent(self, event)

  2266.         self.slot_miniCanvasCheckSize()

  2267. 

  2268.     # --------------------------------------------------------------------------------------------------------

  2269.     # timer event

  2270. 

  2271.     def idleFast(self):

  2272.         self.host.engine_idle()

  2273.         self.refreshTransport()

  2274. 

  2275.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2276.             return

  2277. 

  2278.         for pitem in self.fPluginList:

  2279.             if pitem is None:

  2280.                 break

  2281. 

  2282.             pitem.getWidget().idleFast()

  2283. 

  2284.         for pluginId in self.fSelectedPlugins:

  2285.             self.fPeaksCleared = False

  2286.             if self.ui.peak_in.isVisible():

  2287.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2288.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2289.             if self.ui.peak_out.isVisible():

  2290.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2291.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2292.             return

  2293. 

  2294.         if self.fPeaksCleared:

  2295.             return

  2296. 

  2297.         self.fPeaksCleared = True

  2298.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2299.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2300.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2301.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2302. 

  2303.     def idleSlow(self):

  2304.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2305.             return

  2306. 

  2307.         for pitem in self.fPluginList:

  2308.             if pitem is None:

  2309.                 break

  2310. 

  2311.             pitem.getWidget().idleSlow()

  2312. 

  2313.     def timerEvent(self, event):

  2314.         if event.timerId() == self.fIdleTimerFast:

  2315.             self.idleFast()

  2316. 

  2317.         elif event.timerId() == self.fIdleTimerSlow:

  2318.             self.idleSlow()

  2319. 

  2320.         QMainWindow.timerEvent(self, event)

  2321. 

  2322.     # --------------------------------------------------------------------------------------------------------

  2323.     # color/style change event

  2324. 

  2325.     def changeEvent(self, event):

  2326.         if event.type() in (QEvent.PaletteChange, QEvent.StyleChange):

  2327.             self.updateStyle()

  2328.         QWidget.changeEvent(self, event)

  2329. 

  2330.     def updateStyle(self):

  2331.         # Rack padding images setup

  2332.         rack_imgL = QImage(":/bitmaps/rack_padding_left.png")

  2333.         rack_imgR = QImage(":/bitmaps/rack_padding_right.png")

  2334. 

  2335.         min_value = 0.07

  2336. 

  2337.         value_fix = 1.0/(1.0-rack_imgL.scaled(1, 1, Qt.IgnoreAspectRatio, Qt.SmoothTransformation).pixelColor(0,0).blackF())

  2338.         bg_color = self.ui.rack.palette().window().color()

  2339.         bg_value = 1.0 - bg_color.blackF()

  2340.         if bg_value == 0:

  2341.             bg_color = QColor.fromHsvF(0.0, 0.0, min_value*value_fix)

  2342.         elif bg_value < min_value:

  2343.             pad_color = bg_color.lighter(100*min_value/bg_value*value_fix)

  2344. 

  2345.         painter = QPainter()

  2346.         fillRect = rack_imgL.rect().adjusted(-1,-1,1,1)

  2347. 

  2348.         painter.begin(rack_imgL)

  2349.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2350.         painter.setBrush(pad_color)

  2351.         painter.drawRect(fillRect)

  2352.         painter.end()

  2353.         rack_pixmapL = QPixmap(rack_imgL)

  2354.         self.imgL_palette = QPalette()

  2355.         self.imgL_palette.setBrush(QPalette.Window, QBrush(rack_pixmapL))

  2356.         self.ui.pad_left.setPalette(self.imgL_palette)

  2357.         self.ui.pad_left.setAutoFillBackground(True)

  2358. 

  2359.         painter.begin(rack_imgR)

  2360.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2361.         painter.setBrush(pad_color)

  2362.         painter.drawRect(fillRect)

  2363.         painter.end()

  2364.         rack_pixmapR = QPixmap(rack_imgR)

  2365.         self.imgR_palette = QPalette()

  2366.         self.imgR_palette.setBrush(QPalette.Window, QBrush(rack_pixmapR))

  2367.         self.ui.pad_right.setPalette(self.imgR_palette)

  2368.         self.ui.pad_right.setAutoFillBackground(True)

  2369. 

  2370.     # --------------------------------------------------------------------------------------------------------

  2371.     # paint event

  2372. 

  2373.     #def paintEvent(self, event):

  2374.         #QMainWindow.paintEvent(self, event)

  2375. 

  2376.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2377.             #return

  2378. 

  2379.         #painter = QPainter(self)

  2380.         #painter.setBrush(QColor(36, 36, 36))

  2381.         #painter.setPen(QColor(62, 62, 62))

  2382.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2383. 

  2384.     # --------------------------------------------------------------------------------------------------------

  2385.     # close event

  2386. 

  2387.     def shouldIgnoreClose(self):

  2388.         if self.host.isControl or self.host.isPlugin:

  2389.             return False

  2390.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  2391.             return False

  2392.         if self.fSavedSettings[CARLA_KEY_MAIN_CONFIRM_EXIT]:

  2393.             return QMessageBox.question(self, self.tr("Quit"),

  2394.                                               self.tr("Are you sure you want to quit Carla?"),

  2395.                                               QMessageBox.Yes|QMessageBox.No) == QMessageBox.No

  2396.         return False

  2397. 

  2398.     def closeEvent(self, event):

  2399.         if self.shouldIgnoreClose():

  2400.             event.ignore()

  2401.             return

  2402. 

  2403.         if MACOS and self.fMacClosingHelper and not (self.host.isControl or self.host.isPlugin):

  2404.             self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2405.             self.fMacClosingHelper = False

  2406.             event.ignore()

  2407. 

  2408.             for i in reversed(range(self.fPluginCount)):

  2409.                 self.host.show_custom_ui(i, False)

  2410. 

  2411.             QTimer.singleShot(100, self.close)

  2412.             return

  2413. 

  2414.         self.killTimers()

  2415.         self.saveSettings()

  2416. 

  2417.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  2418.             if not self.slot_engineStop(True):

  2419.                 self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2420.                 event.ignore()

  2421.                 return

  2422. 

  2423.         QMainWindow.closeEvent(self, event)

  2424. 

  2425. # ------------------------------------------------------------------------------------------------

  2426. # Canvas callback

  2427. 

  2428. def canvasCallback(action, value1, value2, valueStr):

  2429.     host = gCarla.gui.host

  2430. 

  2431.     if action == patchcanvas.ACTION_GROUP_INFO:

  2432.         pass

  2433. 

  2434.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  2435.         pass

  2436. 

  2437.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  2438.         groupId = value1

  2439.         patchcanvas.splitGroup(groupId)

  2440.         gCarla.gui.updateMiniCanvasLater()

  2441. 

  2442.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  2443.         groupId = value1

  2444.         patchcanvas.joinGroup(groupId)

  2445.         gCarla.gui.updateMiniCanvasLater()

  2446. 

  2447.     elif action == patchcanvas.ACTION_PORT_INFO:

  2448.         pass

  2449. 

  2450.     elif action == patchcanvas.ACTION_PORT_RENAME:

  2451.         pass

  2452. 

  2453.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  2454.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")]

  2455. 

  2456.         if not host.patchbay_connect(gOut, pOut, gIn, pIn):

  2457.             print("Connection failed:", host.get_last_error())

  2458. 

  2459.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  2460.         connectionId = value1

  2461. 

  2462.         if not host.patchbay_disconnect(connectionId):

  2463.             print("Disconnect failed:", host.get_last_error())

  2464. 

  2465.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  2466.         pluginId = value1

  2467. 

  2468.         if not host.clone_plugin(pluginId):

  2469.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2470.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2471. 

  2472.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  2473.         pluginId = value1

  2474.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2475. 

  2476.         if pwidget is not None:

  2477.             pwidget.showEditDialog()

  2478. 

  2479.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  2480.         pluginId = value1

  2481.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2482. 

  2483.         if pwidget is not None:

  2484.             pwidget.showRenameDialog()

  2485. 

  2486.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  2487.         pluginId = value1

  2488.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2489. 

  2490.         if pwidget is not None:

  2491.             pwidget.showReplaceDialog()

  2492. 

  2493.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  2494.         pluginId = value1

  2495. 

  2496.         if not host.remove_plugin(pluginId):

  2497.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2498.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2499. 

  2500.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  2501.         pluginId = value1

  2502.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2503. 

  2504.         if pwidget is not None:

  2505.             pwidget.showCustomUI()

  2506. 

  2507.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  2508.         gCarla.gui.showPluginActionsMenu()

  2509. 

  2510. # ------------------------------------------------------------------------------------------------------------

  2511. # Engine callback

  2512. 

  2513. def engineCallback(host, action, pluginId, value1, value2, value3, valueStr):

  2514.     # kdevelop likes this :)

  2515.     if False: host = CarlaHostNull()

  2516. 

  2517.     valueStr = charPtrToString(valueStr)

  2518. 

  2519.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  2520.         host.processMode   = value1

  2521.         host.transportMode = value2

  2522.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2523.         host.processMode   = value1

  2524.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2525.         host.transportMode  = value1

  2526.         host.transportExtra = valueStr

  2527. 

  2528.     if action == ENGINE_CALLBACK_DEBUG:

  2529.         host.DebugCallback.emit(pluginId, value1, value2, value3, valueStr)

  2530.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  2531.         host.PluginAddedCallback.emit(pluginId, valueStr)

  2532.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  2533.         host.PluginRemovedCallback.emit(pluginId)

  2534.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  2535.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  2536.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  2537.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  2538.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  2539.         host.ParameterValueChangedCallback.emit(pluginId, value1, value3)

  2540.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  2541.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, value3)

  2542.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CC_CHANGED:

  2543.         host.ParameterMidiCcChangedCallback.emit(pluginId, value1, value2)

  2544.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  2545.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  2546.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  2547.         host.ProgramChangedCallback.emit(pluginId, value1)

  2548.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  2549.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  2550.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  2551.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  2552.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  2553.         host.UiStateChangedCallback.emit(pluginId, value1)

  2554.     elif action == ENGINE_CALLBACK_NOTE_ON:

  2555.         host.NoteOnCallback.emit(pluginId, value1, value2, round(value3))

  2556.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  2557.         host.NoteOffCallback.emit(pluginId, value1, value2)

  2558.     elif action == ENGINE_CALLBACK_UPDATE:

  2559.         host.UpdateCallback.emit(pluginId)

  2560.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  2561.         host.ReloadInfoCallback.emit(pluginId)

  2562.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  2563.         host.ReloadParametersCallback.emit(pluginId)

  2564.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  2565.         host.ReloadProgramsCallback.emit(pluginId)

  2566.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  2567.         host.ReloadAllCallback.emit(pluginId)

  2568.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  2569.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  2570.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  2571.         host.PatchbayClientRemovedCallback.emit(pluginId)

  2572.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  2573.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  2574.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  2575.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  2576.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  2577.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, valueStr)

  2578.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  2579.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  2580.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_RENAMED:

  2581.         host.PatchbayPortRenamedCallback.emit(pluginId, value1, valueStr)

  2582.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  2583.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  2584.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  2585.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  2586.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  2587.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  2588.         host.EngineStartedCallback.emit(value1, value2, value3, valueStr)

  2589.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  2590.         host.EngineStoppedCallback.emit()

  2591.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2592.         host.ProcessModeChangedCallback.emit(value1)

  2593.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2594.         host.TransportModeChangedCallback.emit(value1, valueStr)

  2595.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  2596.         host.BufferSizeChangedCallback.emit(value1)

  2597.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  2598.         host.SampleRateChangedCallback.emit(value3)

  2599.     elif action == ENGINE_CALLBACK_PROJECT_LOAD_FINISHED:

  2600.         host.ProjectLoadFinishedCallback.emit()

  2601.     elif action == ENGINE_CALLBACK_NSM:

  2602.         host.NSMCallback.emit(value1, value2, valueStr)

  2603.     elif action == ENGINE_CALLBACK_IDLE:

  2604.         QApplication.processEvents()

  2605.     elif action == ENGINE_CALLBACK_INFO:

  2606.         host.InfoCallback.emit(valueStr)

  2607.     elif action == ENGINE_CALLBACK_ERROR:

  2608.         host.ErrorCallback.emit(valueStr)

  2609.     elif action == ENGINE_CALLBACK_QUIT:

  2610.         host.QuitCallback.emit()

  2611. 

  2612. # ------------------------------------------------------------------------------------------------------------

  2613. # File callback

  2614. 

  2615. def fileCallback(ptr, action, isDir, title, filter):

  2616.     ret = ("", "") if config_UseQt5 else ""

  2617. 

  2618.     title  = charPtrToString(title)

  2619.     filter = charPtrToString(filter)

  2620. 

  2621.     if action == FILE_CALLBACK_OPEN:

  2622.         ret = QFileDialog.getOpenFileName(gCarla.gui, title, "", filter) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  2623.     elif action == FILE_CALLBACK_SAVE:

  2624.         ret = QFileDialog.getSaveFileName(gCarla.gui, title, "", filter, QFileDialog.ShowDirsOnly if isDir else 0x0)

  2625. 

  2626.     if config_UseQt5:

  2627.         ret = ret[0]

  2628.     if not ret:

  2629.         return None

  2630. 

  2631.     # FIXME

  2632.     global fileRet

  2633.     fileRet = c_char_p(ret.encode("utf-8"))

  2634.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  2635.     return retval.contents.value

  2636. 

  2637. # ------------------------------------------------------------------------------------------------------------

  2638. # Init host

  2639. 

  2640. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  2641.     pathBinaries, pathResources = getPaths(libPrefix)

  2642. 

  2643.     # --------------------------------------------------------------------------------------------------------

  2644.     # Check if we should open main lib as local or global

  2645. 

  2646.     settings = QSettings("falkTX", "Carla2")

  2647. 

  2648.     try:

  2649.         loadGlobal = settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL, CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL, type=bool)

  2650.     except:

  2651.         loadGlobal = CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL

  2652. 

  2653.     # --------------------------------------------------------------------------------------------------------

  2654.     # Fail if binary dir is not found

  2655. 

  2656.     if not os.path.exists(pathBinaries):

  2657.         if failError:

  2658.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  2659.             sys.exit(1)

  2660.         return

  2661. 

  2662.     # --------------------------------------------------------------------------------------------------------

  2663.     # Set Carla library name

  2664. 

  2665.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  2666.     libname   = os.path.join(pathBinaries, libname)

  2667.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  2668. 

  2669.     # --------------------------------------------------------------------------------------------------------

  2670.     # Print info

  2671. 

  2672.     print("Carla %s started, status:" % VERSION)

  2673.     print("  Python version: %s" % sys.version.split(" ",1)[0])

  2674.     print("  Qt version:     %s" % qVersion())

  2675.     print("  PyQt version:   %s" % PYQT_VERSION_STR)

  2676.     print("  Binary dir:     %s" % pathBinaries)

  2677.     print("  Resources dir:  %s" % pathResources)

  2678. 

  2679.     # --------------------------------------------------------------------------------------------------------

  2680.     # Init host

  2681. 

  2682.     if failError:

  2683.         # no try

  2684.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2685.     else:

  2686.         try:

  2687.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2688.         except:

  2689.             host = CarlaHostQtNull()

  2690. 

  2691.     host.isControl = isControl

  2692.     host.isPlugin  = isPlugin

  2693. 

  2694.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vs: engineCallback(host,a,p,v1,v2,v3,vs))

  2695.     host.set_file_callback(fileCallback)

  2696. 

  2697.     # If it's a plugin the paths are already set

  2698.     if not isPlugin:

  2699.         host.pathBinaries  = pathBinaries

  2700.         host.pathResources = pathResources

  2701.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  2702.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  2703. 

  2704.         if not isControl:

  2705.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  2706. 

  2707.     # --------------------------------------------------------------------------------------------------------

  2708.     # Init utils

  2709. 

  2710.     gCarla.utils = CarlaUtils(utilsname)

  2711.     gCarla.utils.set_process_name(os.path.basename(initName))

  2712. 

  2713.     try:

  2714.         sys.stdout.flush()

  2715.     except:

  2716.         pass

  2717. 

  2718.     sys.stdout = CarlaPrint(False)

  2719.     sys.stderr = CarlaPrint(True)

  2720. 

  2721.     if config_UseQt5:

  2722.         sys.excepthook = sys_excepthook

  2723. 

  2724.     # --------------------------------------------------------------------------------------------------------

  2725.     # Done

  2726. 

  2727.     return host

  2728. 

  2729. # ------------------------------------------------------------------------------------------------------------

  2730. # Load host settings

  2731. 

  2732. def loadHostSettings(host):

  2733.     # kdevelop likes this :)

  2734.     if False: host = CarlaHostNull()

  2735. 

  2736.     settings = QSettings("falkTX", "Carla2")

  2737. 

  2738.     try:

  2739.         host.experimental = settings.value(CARLA_KEY_MAIN_EXPERIMENTAL, CARLA_DEFAULT_MAIN_EXPERIMENTAL, type=bool)

  2740.     except:

  2741.         host.experimental = CARLA_DEFAULT_MAIN_EXPERIMENTAL

  2742. 

  2743.     try:

  2744.         host.exportLV2 = settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2, CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT, type=bool)

  2745.     except:

  2746.         host.exportLV2 = CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT

  2747. 

  2748.     try:

  2749.         host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, type=bool)

  2750.     except:

  2751.         host.manageUIs = CARLA_DEFAULT_MANAGE_UIS

  2752. 

  2753.     try:

  2754.         host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, type=int)

  2755.     except:

  2756.         host.maxParameters = CARLA_DEFAULT_MAX_PARAMETERS

  2757. 

  2758.     try:

  2759.         host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, type=bool)

  2760.     except:

  2761.         host.forceStereo = CARLA_DEFAULT_FORCE_STEREO

  2762. 

  2763.     try:

  2764.         host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, type=bool)

  2765.     except:

  2766.         host.preferPluginBridges = CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES

  2767. 

  2768.     try:

  2769.         host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, type=bool)

  2770.     except:

  2771.         host.preferUIBridges = CARLA_DEFAULT_PREFER_UI_BRIDGES

  2772. 

  2773.     try:

  2774.         host.preventBadBehaviour = settings.value(CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, type=bool)

  2775.     except:

  2776.         host.preventBadBehaviour = CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR

  2777. 

  2778.     try:

  2779.         host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, type=bool)

  2780.     except:

  2781.         host.showLogs = CARLA_DEFAULT_MAIN_SHOW_LOGS

  2782. 

  2783.     try:

  2784.         host.showPluginBridges = settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, type=bool)

  2785.     except:

  2786.         host.showPluginBridges = CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES

  2787. 

  2788.     try:

  2789.         host.showWineBridges = settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, type=bool)

  2790.     except:

  2791.         host.showWineBridges = CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES

  2792. 

  2793.     try:

  2794.         host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, type=int)

  2795.     except:

  2796.         host.uiBridgesTimeout = CARLA_DEFAULT_UI_BRIDGES_TIMEOUT

  2797. 

  2798.     try:

  2799.         host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, type=bool)

  2800.     except:

  2801.         host.uisAlwaysOnTop = CARLA_DEFAULT_UIS_ALWAYS_ON_TOP

  2802. 

  2803.     if host.isPlugin:

  2804.         return

  2805. 

  2806.     try:

  2807.         host.transportExtra = settings.value(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, "", type=str)

  2808.     except:

  2809.         host.transportExtra = ""

  2810. 

  2811.     # enums

  2812.     if host.audioDriverForced is None:

  2813.         try:

  2814.             host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, type=int)

  2815.         except:

  2816.             host.transportMode = CARLA_DEFAULT_TRANSPORT_MODE

  2817. 

  2818.     if not host.processModeForced:

  2819.         try:

  2820.             host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, type=int)

  2821.         except:

  2822.             host.processMode = CARLA_DEFAULT_PROCESS_MODE

  2823. 

  2824.     host.nextProcessMode = host.processMode

  2825. 

  2826.     # --------------------------------------------------------------------------------------------------------

  2827.     # fix things if needed

  2828. 

  2829.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  2830.         if LADISH_APP_NAME:

  2831.             print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  2832.             host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  2833. 

  2834.         else:

  2835.             host.transportMode = ENGINE_TRANSPORT_MODE_JACK

  2836. 

  2837.     if gCarla.nogui:

  2838.         host.showLogs = False

  2839. 

  2840.     # --------------------------------------------------------------------------------------------------------

  2841.     # run headless host now if nogui option enabled

  2842. 

  2843.     if gCarla.nogui:

  2844.         runHostWithoutUI(host)

  2845. 

  2846. # ------------------------------------------------------------------------------------------------------------

  2847. # Set host settings

  2848. 

  2849. def setHostSettings(host):

  2850.     # kdevelop likes this :)

  2851.     if False: host = CarlaHostNull()

  2852. 

  2853.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  2854.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  2855.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  2856.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  2857.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  2858.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  2859.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  2860. 

  2861.     if host.isPlugin or host.isRemote or host.is_engine_running():

  2862.         return

  2863. 

  2864.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  2865.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       host.transportExtra)

  2866.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  2867. 

  2868. # ------------------------------------------------------------------------------------------------------------

  2869. # Set Engine settings according to carla preferences. Returns selected audio driver.

  2870. 

  2871. def setEngineSettings(host):

  2872.     # kdevelop likes this :)

  2873.     if False: host = CarlaHostNull()

  2874. 

  2875.     # --------------------------------------------------------------------------------------------------------

  2876.     # do nothing if control

  2877. 

  2878.     if host.isControl:

  2879.         return "Control"

  2880. 

  2881.     # --------------------------------------------------------------------------------------------------------

  2882. 

  2883.     settings = QSettings("falkTX", "Carla2")

  2884. 

  2885.     # --------------------------------------------------------------------------------------------------------

  2886.     # main settings

  2887. 

  2888.     setHostSettings(host)

  2889. 

  2890.     # --------------------------------------------------------------------------------------------------------

  2891.     # plugin paths

  2892. 

  2893.     LADSPA_PATH = toList(settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH))

  2894.     DSSI_PATH   = toList(settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH))

  2895.     LV2_PATH    = toList(settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH))

  2896.     VST2_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST2,   CARLA_DEFAULT_VST2_PATH))

  2897.     SF2_PATH    = toList(settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH))

  2898.     SFZ_PATH    = toList(settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH))

  2899. 

  2900.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  2901.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  2902.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  2903.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2,   splitter.join(VST2_PATH))

  2904.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  2905.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  2906. 

  2907.     # --------------------------------------------------------------------------------------------------------

  2908.     # don't continue if plugin

  2909. 

  2910.     if host.isPlugin:

  2911.         return "Plugin"

  2912. 

  2913.     # --------------------------------------------------------------------------------------------------------

  2914.     # wine settings

  2915. 

  2916.     optWineExecutable = settings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, type=str)

  2917.     optWineAutoPrefix = settings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, type=bool)

  2918.     optWineFallbackPrefix = settings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, type=str)

  2919.     optWineRtPrioEnabled = settings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, type=bool)

  2920.     optWineBaseRtPrio = settings.value(CARLA_KEY_WINE_BASE_RT_PRIO,   CARLA_DEFAULT_WINE_BASE_RT_PRIO, type=int)

  2921.     optWineServerRtPrio = settings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, type=int)

  2922. 

  2923.     host.set_engine_option(ENGINE_OPTION_WINE_EXECUTABLE, 0, optWineExecutable)

  2924.     host.set_engine_option(ENGINE_OPTION_WINE_AUTO_PREFIX, 1 if optWineAutoPrefix else 0, "")

  2925.     host.set_engine_option(ENGINE_OPTION_WINE_FALLBACK_PREFIX, 0, os.path.expanduser(optWineFallbackPrefix))

  2926.     host.set_engine_option(ENGINE_OPTION_WINE_RT_PRIO_ENABLED, 1 if optWineRtPrioEnabled else 0, "")

  2927.     host.set_engine_option(ENGINE_OPTION_WINE_BASE_RT_PRIO, optWineBaseRtPrio, "")

  2928.     host.set_engine_option(ENGINE_OPTION_WINE_SERVER_RT_PRIO, optWineServerRtPrio, "")

  2929. 

  2930.     # --------------------------------------------------------------------------------------------------------

  2931.     # driver and device settings

  2932. 

  2933.     # driver name

  2934.     if host.audioDriverForced is not None:

  2935.         audioDriver = host.audioDriverForced

  2936.     else:

  2937.         try:

  2938.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, type=str)

  2939.         except:

  2940.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  2941. 

  2942.     # driver options

  2943.     try:

  2944.         audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", type=str)

  2945.     except:

  2946.         audioDevice = ""

  2947. 

  2948.     try:

  2949.         audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, type=int)

  2950.     except:

  2951.         audioBufferSize = CARLA_DEFAULT_AUDIO_BUFFER_SIZE

  2952. 

  2953.     try:

  2954.         audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, type=int)

  2955.     except:

  2956.         audioSampleRate = CARLA_DEFAULT_AUDIO_SAMPLE_RATE

  2957. 

  2958.     try:

  2959.         audioTripleBuffer = settings.value("%s%s/TripleBuffer" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER, type=int)

  2960.     except:

  2961.         audioTripleBuffer = CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER

  2962. 

  2963.     # Only setup audio things if engine is not running

  2964.     if not host.is_engine_running():

  2965.         host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE, 0, audioDevice)

  2966. 

  2967.         if not audioDriver.startswith("JACK"):

  2968.             host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  2969.             host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  2970.             host.set_engine_option(ENGINE_OPTION_AUDIO_TRIPLE_BUFFER, audioTripleBuffer, "")

  2971. 

  2972.     # --------------------------------------------------------------------------------------------------------

  2973.     # fix things if needed

  2974. 

  2975.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  2976.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  2977.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, host.transportExtra)

  2978. 

  2979.     # --------------------------------------------------------------------------------------------------------

  2980.     # return selected driver name

  2981. 

  2982.     return audioDriver

  2983. 

  2984. # ------------------------------------------------------------------------------------------------------------

  2985. # Run Carla without showing UI

  2986. 

  2987. def runHostWithoutUI(host):

  2988.     # kdevelop likes this :)

  2989.     if False: host = CarlaHostNull()

  2990. 

  2991.     # --------------------------------------------------------------------------------------------------------

  2992.     # Some initial checks

  2993. 

  2994.     if not gCarla.nogui:

  2995.         return

  2996. 

  2997.     projectFile = getInitialProjectFile(QCoreApplication.instance(), True)

  2998. 

  2999.     if not projectFile:

  3000.         print("Carla no-gui mode can only be used together with a project file.")

  3001.         sys.exit(1)

  3002. 

  3003.     # --------------------------------------------------------------------------------------------------------

  3004.     # Additional imports

  3005. 

  3006.     from time import sleep

  3007. 

  3008.     # --------------------------------------------------------------------------------------------------------

  3009.     # Init engine

  3010. 

  3011.     audioDriver = setEngineSettings(host)

  3012.     if not host.engine_init(audioDriver, "Carla"):

  3013.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  3014.         sys.exit(1)

  3015. 

  3016.     if not host.load_project(projectFile):

  3017.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  3018.         host.engine_close()

  3019.         sys.exit(1)

  3020. 

  3021.     # --------------------------------------------------------------------------------------------------------

  3022.     # Idle

  3023. 

  3024.     print("Carla ready!")

  3025. 

  3026.     while host.is_engine_running() and not gCarla.term:

  3027.         host.engine_idle()

  3028.         sleep(0.0333) # 30 Hz

  3029. 

  3030.     # --------------------------------------------------------------------------------------------------------

  3031.     # Stop

  3032. 

  3033.     host.engine_close()

  3034.     sys.exit(0)

  3035. 

  3036. # ------------------------------------------------------------------------------------------------------------