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

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  1. #!/usr/bin/env python3

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

  3. 

  4. # Carla host code

  5. # Copyright (C) 2011-2019 Filipe Coelho <falktx@falktx.com>

  6. #

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

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

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

  10. # the License, or any later version.

  11. #

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

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

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

  15. # GNU General Public License for more details.

  16. #

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

  18. 

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

  20. # Imports (Global)

  21. 

  22. import json

  23. 

  24. from PyQt5.Qt import PYQT_VERSION

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

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

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

  28. 

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

  30. # Imports (Custom)

  31. 

  32. import ui_carla_host

  33. 

  34. from carla_app import *

  35. from carla_database import *

  36. from carla_settings import *

  37. from carla_utils import *

  38. from carla_widgets import *

  39. 

  40. from patchcanvas import patchcanvas

  41. from widgets.digitalpeakmeter import DigitalPeakMeter

  42. from widgets.pixmapkeyboard import PixmapKeyboardHArea

  43. 

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

  45. # Try Import OpenGL

  46. 

  47. try:

  48.     from PyQt5.QtOpenGL import QGLWidget

  49.     hasGL = True

  50. except:

  51.     hasGL = False

  52. 

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

  54. # Safe exception hook, needed for PyQt5

  55. 

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

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

  58. 

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

  60. # Session Management support

  61. 

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

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

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

  65. 

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

  67. # Small print helper

  68. 

  69. def processMode2Str(processMode):

  70.     if processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT:

  71.         return "Single client"

  72.     if processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  73.         return "Multi client"

  74.     if processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK:

  75.         return "Continuous Rack"

  76.     if processMode == ENGINE_PROCESS_MODE_PATCHBAY:

  77.         return "Patchbay"

  78.     if processMode == ENGINE_PROCESS_MODE_BRIDGE:

  79.         return "Bridge"

  80.     return "Unknown"

  81. 

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

  83. # Carla Print class

  84. 

  85. class CarlaPrint:

  86.     def __init__(self, err):

  87.         self.err = err

  88. 

  89.     def flush(self):

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

  91. 

  92.     def write(self, string):

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

  94. 

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

  96. # Host Window

  97. 

  98. class HostWindow(QMainWindow):

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

  100.     # signals

  101.     SIGTERM = pyqtSignal()

  102.     SIGUSR1 = pyqtSignal()

  103. 

  104.     # CustomActions

  105.     CUSTOM_ACTION_NONE         = 0

  106.     CUSTOM_ACTION_APP_CLOSE    = 1

  107.     CUSTOM_ACTION_PROJECT_LOAD = 2

  108. 

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

  110. 

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

  112.         QMainWindow.__init__(self, parent)

  113.         self.host = host

  114.         self.ui = ui_carla_host.Ui_CarlaHostW()

  115.         self.ui.setupUi(self)

  116.         gCarla.gui = self

  117. 

  118.         if False:

  119.             # kdevelop likes this :)

  120.             host = CarlaHostNull()

  121.             self.host = host

  122. 

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

  124. 

  125.         self.fParentOrSelf = parent or self

  126. 

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

  128.         # Internal stuff

  129. 

  130.         self.fIdleTimerFast = 0

  131.         self.fIdleTimerSlow = 0

  132. 

  133.         self.fLadspaRdfNeedsUpdate = True

  134.         self.fLadspaRdfList = []

  135. 

  136.         self.fPluginCount = 0

  137.         self.fPluginList  = []

  138. 

  139.         self.fProjectFilename  = ""

  140.         self.fIsProjectLoading = False

  141.         self.fCurrentlyRemovingAllPlugins = False

  142. 

  143.         self.fLastTransportBPM   = 0.0

  144.         self.fLastTransportFrame = 0

  145.         self.fLastTransportState = False

  146.         self.fSampleRate         = 0.0

  147. 

  148.         if MACOS:

  149.             self.fMacClosingHelper = True

  150. 

  151.         # CancelableActionCallback Box

  152.         self.fCancelableActionBox = None

  153. 

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

  155.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  156. 

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

  158.         self.fFirstEngineInit = True

  159. 

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

  161.         self.fSavedSettings = {}

  162. 

  163.         if host.isControl:

  164.             self.fClientName         = "Carla-Control"

  165.             self.fSessionManagerName = "Control"

  166.         elif host.isPlugin:

  167.             self.fClientName         = "Carla-Plugin"

  168.             self.fSessionManagerName = "Plugin"

  169.         elif LADISH_APP_NAME:

  170.             self.fClientName         = LADISH_APP_NAME

  171.             self.fSessionManagerName = "LADISH"

  172.         elif NSM_URL and host.nsmOK:

  173.             self.fClientName         = "Carla.tmp"

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

  175.         else:

  176.             self.fClientName         = CARLA_CLIENT_NAME or "Carla"

  177.             self.fSessionManagerName = ""

  178. 

  179.         # ----------------------------------------------------------------------------------------------------

  180.         # Internal stuff (patchbay)

  181. 

  182.         self.fExportImage = QImage()

  183. 

  184.         self.fPeaksCleared = True

  185. 

  186.         self.fExternalPatchbay = False

  187.         self.fSelectedPlugins  = []

  188. 

  189.         self.fCanvasWidth  = 0

  190.         self.fCanvasHeight = 0

  191.         self.fMiniCanvasUpdateTimeout = 0

  192. 

  193.         self.fWithCanvas = withCanvas

  194. 

  195.         # ----------------------------------------------------------------------------------------------------

  196.         # Set up GUI (engine stopped)

  197. 

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

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

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

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

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

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

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

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

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

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

  208. 

  209.             if self.host.isControl:

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

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

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

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

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

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

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

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

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

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

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

  221.             else:

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

  223. 

  224.         else:

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

  226. 

  227.             if WINDOWS:

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

  229. 

  230.         if not self.host.isControl:

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

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

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

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

  235. 

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

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

  238. 

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

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

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

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

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

  244. 

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

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

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

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

  249. 

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

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

  252. 

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

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

  255. 

  256.         if not withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  274.             self.ui.miniCanvasPreview.hide()

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

  276.             if WINDOWS:

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

  278. 

  279.             if host.isControl:

  280.                 self.ui.dockWidget.hide()

  281. 

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

  283.         # Set up GUI (disk)

  284. 

  285.         exts = gCarla.utils.get_supported_file_extensions()

  286. 

  287.         self.fDirModel = QFileSystemModel(self)

  288.         self.fDirModel.setRootPath(HOME)

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

  290. 

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

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

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

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

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

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

  297. 

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

  299.         # Set up GUI (transport)

  300. 

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

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

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

  304. 

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

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

  307. 

  308.         if minLabelWidth < labelTimeWidth:

  309.             minLabelWidth = labelTimeWidth

  310.         if minLabelWidth < labelBBTWidth:

  311.             minLabelWidth = labelBBTWidth

  312. 

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

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

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

  316. 

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

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

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

  320. 

  321.         if host.isControl or host.isPlugin:

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

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

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

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

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

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

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

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

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

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

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

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

  334. 

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

  336. 

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

  338.         # Set up GUI (rack)

  339. 

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

  341. 

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

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

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

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

  346. 

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

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

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

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

  351. 

  352.         self.updateStyle()

  353. 

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

  355.           CarlaRackList#CarlaRackList {

  356.             background-color: black;

  357.           }

  358.         """)

  359. 

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

  361.         # Set up GUI (patchbay)

  362. 

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

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

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

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

  367. 

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

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

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

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

  372. 

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

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

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

  376. 

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

  378. 

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

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

  381. 

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

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

  384. 

  385.         if MACOS:

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

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

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

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

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

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

  392. 

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

  394.         # Load Settings

  395. 

  396.         self.loadSettings(True)

  397. 

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

  399.         # Set-up Canvas

  400. 

  401.         if withCanvas:

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

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

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

  405. 

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

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

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

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

  410. 

  411.             self.setupCanvas()

  412. 

  413.         # ----------------------------------------------------------------------------------------------------

  414.         # Connect actions to functions

  415. 

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

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

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

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

  420. 

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

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

  423. 

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

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

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

  427. 

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

  429. 

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

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

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

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

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

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

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

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

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

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

  440. 

  441. 

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

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

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

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

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

  447. 

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

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

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

  451. 

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

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

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

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

  456. 

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

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

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

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

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

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

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

  464. 

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

  466. 

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

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

  469. 

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

  471. 

  472.         if withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  490. 

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

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

  493. 

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

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

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

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

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

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

  500. 

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

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

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

  504. 

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

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

  507. 

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

  509. 

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

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

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

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

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

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

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

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

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

  519. 

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

  521. 

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

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

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

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

  526. 

  527.         # ----------------------------------------------------------------------------------------------------

  528.         # Final setup

  529. 

  530.         self.ui.text_logs.clear()

  531.         self.setProperWindowTitle()

  532. 

  533.         # Disable non-supported features

  534.         features = gCarla.utils.get_supported_features()

  535. 

  536.         if "link" not in features:

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

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

  539. 

  540.         if "juce" not in features:

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

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

  543. 

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

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

  546.             self.startTimers()

  547. 

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

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

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

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

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

  553. 

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

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

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

  557. 

  558.         # Load initial project file if set

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

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

  561. 

  562.             if projectFile:

  563.                 self.loadProjectLater(projectFile)

  564. 

  565.         # For NSM we wait for the open message

  566.         if NSM_URL and host.nsmOK:

  567.             host.nsm_ready(-1)

  568.             return

  569. 

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

  571. 

  572.     # --------------------------------------------------------------------------------------------------------

  573.     # Setup

  574. 

  575.     def compactPlugin(self, pluginId):

  576.         if pluginId > self.fPluginCount:

  577.             return

  578. 

  579.         pitem = self.fPluginList[pluginId]

  580. 

  581.         if pitem is None:

  582.             return

  583. 

  584.         pitem.recreateWidget(True)

  585. 

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

  587.         if pluginId > self.fPluginCount:

  588.             return

  589. 

  590.         pitem = self.fPluginList[pluginId]

  591. 

  592.         if pitem is None:

  593.             return

  594. 

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

  596.         pitem.recreateWidget(newColor = color)

  597. 

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

  599.         if pluginId > self.fPluginCount:

  600.             return

  601. 

  602.         pitem = self.fPluginList[pluginId]

  603. 

  604.         if pitem is None:

  605.             return

  606. 

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

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

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

  610.         else:

  611.             pitem.recreateWidget(newSkin = skin)

  612. 

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

  614.         if pluginIdA == pluginIdB:

  615.             return

  616.         if pluginIdA < 0 or pluginIdB < 0:

  617.             return

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

  619.             return

  620. 

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

  622. 

  623.         itemA = self.fPluginList[pluginIdA]

  624.         compactA = itemA.isCompacted()

  625.         guiShownA = itemA.isGuiShown()

  626. 

  627.         itemB = self.fPluginList[pluginIdB]

  628.         compactB = itemB.isCompacted()

  629.         guiShownB = itemB.isGuiShown()

  630. 

  631.         itemA.setPluginId(pluginIdA)

  632.         itemA.recreateWidget2(compactB, guiShownB)

  633. 

  634.         itemB.setPluginId(pluginIdB)

  635.         itemB.recreateWidget2(compactA, guiShownA)

  636. 

  637.         self.slot_canvasRefresh()

  638. 

  639.     def setLoadRDFsNeeded(self):

  640.         self.fLadspaRdfNeedsUpdate = True

  641. 

  642.     def setProperWindowTitle(self):

  643.         title = self.fClientName

  644. 

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

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

  647.         if self.fSessionManagerName:

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

  649. 

  650.         self.setWindowTitle(title)

  651. 

  652.     # --------------------------------------------------------------------------------------------------------

  653.     # Files

  654. 

  655.     def makeExtraFilename(self):

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

  657. 

  658.     def loadProjectNow(self):

  659.         if not self.fProjectFilename:

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

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

  662.             return

  663. 

  664.         self.projectLoadingStarted()

  665.         self.fIsProjectLoading = True

  666. 

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

  668.             self.fIsProjectLoading = False

  669.             self.projectLoadingFinished()

  670. 

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

  672.                              self.host.get_last_error(),

  673.                              QMessageBox.Ok, QMessageBox.Ok)

  674. 

  675.     def loadProjectLater(self, filename):

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

  677.         self.setProperWindowTitle()

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

  679. 

  680.     def saveProjectNow(self):

  681.         if not self.fProjectFilename:

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

  683. 

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

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

  686.                              self.host.get_last_error(),

  687.                              QMessageBox.Ok, QMessageBox.Ok)

  688.             return

  689. 

  690.         if not self.fWithCanvas:

  691.             return

  692. 

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

  694.             json.dump({

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

  696.             }, fh)

  697. 

  698.     def projectLoadingStarted(self):

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

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

  701. 

  702.     def projectLoadingFinished(self):

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

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

  705. 

  706.         if not self.fWithCanvas:

  707.             return

  708. 

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

  710. 

  711.         extrafile = self.makeExtraFilename()

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

  713.             return

  714. 

  715.         try:

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

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

  718.         except:

  719.             return

  720. 

  721.         patchcanvas.restoreGroupPositions(canvasdata)

  722. 

  723.     # --------------------------------------------------------------------------------------------------------

  724.     # Files (menu actions)

  725. 

  726.     @pyqtSlot()

  727.     def slot_fileNew(self):

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

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

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

  731.             return

  732. 

  733.         self.pluginRemoveAll()

  734.         self.fProjectFilename = ""

  735.         self.setProperWindowTitle()

  736. 

  737.     @pyqtSlot()

  738.     def slot_fileOpen(self):

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

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

  741. 

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

  743.         if not filename:

  744.             return

  745. 

  746.         newFile = True

  747. 

  748.         if self.fPluginCount > 0:

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

  750.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  752. 

  753.         if newFile:

  754.             self.pluginRemoveAll()

  755.             self.fProjectFilename = filename

  756.             self.setProperWindowTitle()

  757.             self.loadProjectNow()

  758.         else:

  759.             filenameOld = self.fProjectFilename

  760.             self.fProjectFilename = filename

  761.             self.loadProjectNow()

  762.             self.fProjectFilename = filenameOld

  763. 

  764.     @pyqtSlot()

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

  766.         if self.fProjectFilename and not saveAs:

  767.             return self.saveProjectNow()

  768. 

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

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

  771. 

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

  773.         if not filename:

  774.             return

  775. 

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

  777.             filename += ".carxp"

  778. 

  779.         if self.fProjectFilename != filename:

  780.             self.fProjectFilename = filename

  781.             self.setProperWindowTitle()

  782. 

  783.         self.saveProjectNow()

  784. 

  785.     @pyqtSlot()

  786.     def slot_fileSaveAs(self):

  787.         self.slot_fileSave(True)

  788. 

  789.     @pyqtSlot()

  790.     def slot_loadProjectNow(self):

  791.         self.loadProjectNow()

  792. 

  793.     # --------------------------------------------------------------------------------------------------------

  794.     # Engine (menu actions)

  795. 

  796.     @pyqtSlot()

  797.     def slot_engineStart(self):

  798.         audioDriver = setEngineSettings(self.host)

  799.         firstInit   = self.fFirstEngineInit

  800. 

  801.         self.fFirstEngineInit = False

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

  803. 

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

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

  806.                 settings = QSettings()

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

  808.                 del settings

  809.                 self.host.transport_bpm(lastBpm)

  810.             return

  811. 

  812.         elif firstInit:

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

  814.             return

  815. 

  816.         audioError = self.host.get_last_error()

  817. 

  818.         if audioError:

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

  820.         else:

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

  822. 

  823.     @pyqtSlot()

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

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

  826. 

  827.         if self.fPluginCount == 0:

  828.             self.engineStopFinal()

  829.             return True

  830. 

  831.         if not forced:

  832.             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"

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

  834.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  835.             if ask != QMessageBox.Yes:

  836.                 return False

  837. 

  838.         return self.slot_engineStopTryAgain()

  839. 

  840.     @pyqtSlot()

  841.     def slot_engineStopTryAgain(self):

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

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

  844.             return False

  845. 

  846.         self.engineStopFinal()

  847.         return True

  848. 

  849.     def engineStopFinal(self):

  850.         self.killTimers()

  851.         self.removeAllPlugins()

  852. 

  853.         if self.host.is_engine_running():

  854.             self.host.remove_all_plugins()

  855. 

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

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

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

  859. 

  860.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  861.             self.close()

  862.         elif self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  863.             self.slot_engineStart()

  864.             self.loadProjectNow()

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

  866. 

  867.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  868. 

  869.     # --------------------------------------------------------------------------------------------------------

  870.     # Engine (host callbacks)

  871. 

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

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

  874.         self.fSampleRate = sampleRate

  875. 

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

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

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

  879. 

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

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

  882. 

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

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

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

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

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

  888.         else:

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

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

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

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

  893. 

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

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

  896. 

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

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

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

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

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

  902.             self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  903. 

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

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

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

  907. 

  908.         self.refreshTransport(True)

  909. 

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

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

  912. 

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

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

  915. 

  916.         self.startTimers()

  917. 

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

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

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

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

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

  923. 

  924.     @pyqtSlot()

  925.     def slot_handleEngineStoppedCallback(self):

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

  927. 

  928.         patchcanvas.clear()

  929.         self.killTimers()

  930. 

  931.         # just in case

  932.         self.removeAllPlugins()

  933. 

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

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

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

  937. 

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

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

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

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

  942. 

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

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

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

  946. 

  947.     @pyqtSlot(int, str)

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

  949.         self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  950. 

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

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

  953. 

  954.     @pyqtSlot(float)

  955.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  956.         self.fSampleRate = newSampleRate

  957.         self.refreshTransport(True)

  958. 

  959.     @pyqtSlot(int, bool, str)

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

  961.         if self.fCancelableActionBox is not None:

  962.             self.fCancelableActionBox.close()

  963. 

  964.         if started:

  965.             self.fCancelableActionBox = QMessageBox(self)

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

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

  968.             self.fCancelableActionBox.setText(action)

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

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

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

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

  973.             self.fCancelableActionBox.show()

  974. 

  975.         else:

  976.             self.fCancelableActionBox = None

  977. 

  978.     @pyqtSlot()

  979.     def slot_canlableActionBoxClicked(self):

  980.         self.host.cancel_engine_action()

  981. 

  982.     @pyqtSlot()

  983.     def slot_handleProjectLoadFinishedCallback(self):

  984.         self.fIsProjectLoading = False

  985.         self.projectLoadingFinished()

  986. 

  987.     # --------------------------------------------------------------------------------------------------------

  988.     # Plugins

  989. 

  990.     def removeAllPlugins(self):

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

  992.         patchcanvas.handleAllPluginsRemoved()

  993. 

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

  995.             pass

  996. 

  997.         self.clearSideStuff()

  998. 

  999.         for pitem in self.fPluginList:

  1000.             if pitem is None:

  1001.                 continue

  1002. 

  1003.             pitem.close()

  1004.             del pitem

  1005. 

  1006.         self.fPluginCount = 0

  1007.         self.fPluginList  = []

  1008. 

  1009.     # --------------------------------------------------------------------------------------------------------

  1010.     # Plugins (menu actions)

  1011. 

  1012.     def showAddPluginDialog(self):

  1013.         dialog = PluginDatabaseW(self.fParentOrSelf, self.host)

  1014. 

  1015.         if not dialog.exec_():

  1016.             return

  1017. 

  1018.         if not self.host.is_engine_running():

  1019.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1020.             return

  1021. 

  1022.         btype    = dialog.fRetPlugin['build']

  1023.         ptype    = dialog.fRetPlugin['type']

  1024.         filename = dialog.fRetPlugin['filename']

  1025.         label    = dialog.fRetPlugin['label']

  1026.         uniqueId = dialog.fRetPlugin['uniqueId']

  1027.         extraPtr = self.getExtraPtr(dialog.fRetPlugin)

  1028. 

  1029.         return (btype, ptype, filename, label, uniqueId, extraPtr)

  1030. 

  1031.     def showAddJackAppDialog(self):

  1032.         dialog = JackApplicationW(self.fParentOrSelf, self.host)

  1033. 

  1034.         if not dialog.exec_():

  1035.             return

  1036. 

  1037.         if not self.host.is_engine_running():

  1038.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1039.             return

  1040. 

  1041.         return dialog.getCommandAndFlags()

  1042. 

  1043.     @pyqtSlot()

  1044.     def showPluginActionsMenu(self):

  1045.         menu = QMenu(self)

  1046. 

  1047.         menu.addSection("Plugins")

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

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

  1050. 

  1051.         menu.addSection("All plugins (macros)")

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

  1053.         menu.addAction(self.ui.act_plugins_disable)

  1054.         menu.addSeparator()

  1055.         menu.addAction(self.ui.act_plugins_volume100)

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

  1057.         menu.addSeparator()

  1058.         menu.addAction(self.ui.act_plugins_wet100)

  1059.         menu.addAction(self.ui.act_plugins_bypass)

  1060.         menu.addSeparator()

  1061.         menu.addAction(self.ui.act_plugins_center)

  1062.         menu.addSeparator()

  1063.         menu.addAction(self.ui.act_plugins_compact)

  1064.         menu.addAction(self.ui.act_plugins_expand)

  1065. 

  1066.         menu.exec_(QCursor.pos())

  1067. 

  1068.     @pyqtSlot()

  1069.     def slot_pluginAdd(self):

  1070.         data = self.showAddPluginDialog()

  1071. 

  1072.         if data is None:

  1073.             return

  1074. 

  1075.         btype, ptype, filename, label, uniqueId, extraPtr = data

  1076. 

  1077.         if not self.host.add_plugin(btype, ptype, filename, None, label, uniqueId, extraPtr, 0x0):

  1078.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"), self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1079. 

  1080.     @pyqtSlot()

  1081.     def slot_confirmRemoveAll(self):

  1082.         if self.fPluginCount == 0:

  1083.             return

  1084. 

  1085.         if QMessageBox.question(self, self.tr("Remove All"),

  1086.                                       self.tr("Are you sure you want to remove all plugins?"),

  1087.                                       QMessageBox.Yes|QMessageBox.No) == QMessageBox.No:

  1088.             return

  1089. 

  1090.         self.pluginRemoveAll()

  1091. 

  1092.     def pluginRemoveAll(self):

  1093.         if self.fPluginCount == 0:

  1094.             return

  1095. 

  1096.         # FIXME - this is not working

  1097.         # removing a plugin causes flicker, the rack-list becomes empty for some time

  1098.         # this breaks the remove-all animation, so don't bother using it

  1099.         if False and not self.host.isPlugin:

  1100.             self.projectLoadingStarted()

  1101. 

  1102.             app = QApplication.instance()

  1103.             app.processEvents()

  1104. 

  1105.             for i in reversed(range(self.fPluginCount)):

  1106.                 self.host.remove_plugin(i)

  1107.                 app.processEvents()

  1108. 

  1109.             self.projectLoadingFinished()

  1110. 

  1111.         self.fCurrentlyRemovingAllPlugins = True

  1112.         ok = self.host.remove_all_plugins()

  1113.         self.fCurrentlyRemovingAllPlugins = False

  1114. 

  1115.         if ok:

  1116.             self.removeAllPlugins()

  1117.         else:

  1118.             CustomMessageBox(self, QMessageBox.Warning, self.tr("Error"), self.tr("Operation failed"),

  1119.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1120. 

  1121.         self.fCurrentlyRemovingAllPlugins = False

  1122. 

  1123.     @pyqtSlot()

  1124.     def slot_jackAppAdd(self):

  1125.         data = self.showAddJackAppDialog()

  1126. 

  1127.         if data is None:

  1128.             return

  1129. 

  1130.         filename, name, label = data

  1131. 

  1132.         if not filename:

  1133.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Cannot add jack application"),

  1134.                                    self.tr("command is empty"), QMessageBox.Ok, QMessageBox.Ok)

  1135.             return

  1136. 

  1137.         if not self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, filename, name, label, 0, None, 0x0):

  1138.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

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

  1140. 

  1141.     # --------------------------------------------------------------------------------------------------------

  1142.     # Plugins (macros)

  1143. 

  1144.     @pyqtSlot()

  1145.     def slot_pluginsEnable(self):

  1146.         if not self.host.is_engine_running():

  1147.             return

  1148. 

  1149.         for pitem in self.fPluginList:

  1150.             if pitem is None:

  1151.                 break

  1152. 

  1153.             pitem.getWidget().setActive(True, True, True)

  1154. 

  1155.     @pyqtSlot()

  1156.     def slot_pluginsDisable(self):

  1157.         if not self.host.is_engine_running():

  1158.             return

  1159. 

  1160.         for pitem in self.fPluginList:

  1161.             if pitem is None:

  1162.                 break

  1163. 

  1164.             pitem.getWidget().setActive(False, True, True)

  1165. 

  1166.     @pyqtSlot()

  1167.     def slot_pluginsVolume100(self):

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

  1169.             return

  1170. 

  1171.         for pitem in self.fPluginList:

  1172.             if pitem is None:

  1173.                 break

  1174. 

  1175.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 1.0)

  1176. 

  1177.     @pyqtSlot()

  1178.     def slot_pluginsMute(self):

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

  1180.             return

  1181. 

  1182.         for pitem in self.fPluginList:

  1183.             if pitem is None:

  1184.                 break

  1185. 

  1186.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 0.0)

  1187. 

  1188.     @pyqtSlot()

  1189.     def slot_pluginsWet100(self):

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

  1191.             return

  1192. 

  1193.         for pitem in self.fPluginList:

  1194.             if pitem is None:

  1195.                 break

  1196. 

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

  1198. 

  1199.     @pyqtSlot()

  1200.     def slot_pluginsBypass(self):

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

  1202.             return

  1203. 

  1204.         for pitem in self.fPluginList:

  1205.             if pitem is None:

  1206.                 break

  1207. 

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

  1209. 

  1210.     @pyqtSlot()

  1211.     def slot_pluginsCenter(self):

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

  1213.             return

  1214. 

  1215.         for pitem in self.fPluginList:

  1216.             if pitem is None:

  1217.                 break

  1218. 

  1219.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1220.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1221.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1222. 

  1223.     @pyqtSlot()

  1224.     def slot_pluginsCompact(self):

  1225.         for pitem in self.fPluginList:

  1226.             if pitem is None:

  1227.                 break

  1228.             pitem.compact()

  1229. 

  1230.     @pyqtSlot()

  1231.     def slot_pluginsExpand(self):

  1232.         for pitem in self.fPluginList:

  1233.             if pitem is None:

  1234.                 break

  1235.             pitem.expand()

  1236. 

  1237.     # --------------------------------------------------------------------------------------------------------

  1238.     # Plugins (host callbacks)

  1239. 

  1240.     @pyqtSlot(int, str)

  1241.     def slot_handlePluginAddedCallback(self, pluginId, pluginName):

  1242.         pitem = self.ui.listWidget.createItem(pluginId)

  1243. 

  1244.         self.fPluginList.append(pitem)

  1245.         self.fPluginCount += 1

  1246. 

  1247.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1248. 

  1249.     @pyqtSlot(int)

  1250.     def slot_handlePluginRemovedCallback(self, pluginId):

  1251.         patchcanvas.handlePluginRemoved(pluginId)

  1252. 

  1253.         if pluginId in self.fSelectedPlugins:

  1254.             self.clearSideStuff()

  1255. 

  1256.         pitem = self.getPluginItem(pluginId)

  1257. 

  1258.         self.fPluginCount -= 1

  1259.         self.fPluginList.pop(pluginId)

  1260.         self.ui.listWidget.takeItem(pluginId)

  1261. 

  1262.         if pitem is not None:

  1263.             pitem.close()

  1264.             del pitem

  1265. 

  1266.         # push all plugins 1 slot back

  1267.         for i in range(pluginId, self.fPluginCount):

  1268.             pitem = self.fPluginList[i]

  1269.             pitem.setPluginId(i)

  1270. 

  1271.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1272. 

  1273.     # --------------------------------------------------------------------------------------------------------

  1274.     # Canvas

  1275. 

  1276.     def clearSideStuff(self):

  1277.         if self.fWithCanvas:

  1278.             self.scene.clearSelection()

  1279. 

  1280.         self.fSelectedPlugins = []

  1281. 

  1282.         self.ui.keyboard.allNotesOff(False)

  1283.         self.ui.scrollArea.setEnabled(False)

  1284. 

  1285.         self.fPeaksCleared = True

  1286.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1287.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1288.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1289.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1290. 

  1291.     def setupCanvas(self):

  1292.         pOptions = patchcanvas.options_t()

  1293.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1294.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1295.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1296.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1297.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1298. 

  1299.         if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY]:

  1300.             pOptions.eyecandy      = patchcanvas.EYECANDY_FULL

  1301.         elif self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]:

  1302.             pOptions.eyecandy      = patchcanvas.EYECANDY_SMALL

  1303.         else:

  1304.             pOptions.eyecandy      = patchcanvas.EYECANDY_NONE

  1305. 

  1306.         pFeatures = patchcanvas.features_t()

  1307.         pFeatures.group_info   = False

  1308.         pFeatures.group_rename = False

  1309.         pFeatures.port_info    = False

  1310.         pFeatures.port_rename  = False

  1311.         pFeatures.handle_group_pos = True

  1312. 

  1313.         patchcanvas.setOptions(pOptions)

  1314.         patchcanvas.setFeatures(pFeatures)

  1315.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1316. 

  1317.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1318. 

  1319.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1320.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1321.             self.fCanvasHeight = int(tryCanvasSize[1])

  1322.         else:

  1323.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1324.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1325. 

  1326.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1327.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1328.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1329. 

  1330.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1331.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1332. 

  1333.     def updateCanvasInitialPos(self):

  1334.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1335.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1336.         patchcanvas.setInitialPos(x, y)

  1337. 

  1338.     def updateMiniCanvasLater(self):

  1339.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1340. 

  1341.     # --------------------------------------------------------------------------------------------------------

  1342.     # Canvas (menu actions)

  1343. 

  1344.     @pyqtSlot()

  1345.     def slot_canvasShowInternal(self):

  1346.         self.fExternalPatchbay = False

  1347.         self.ui.act_canvas_show_internal.blockSignals(True)

  1348.         self.ui.act_canvas_show_external.blockSignals(True)

  1349.         self.ui.act_canvas_show_internal.setChecked(True)

  1350.         self.ui.act_canvas_show_external.setChecked(False)

  1351.         self.ui.act_canvas_show_internal.blockSignals(False)

  1352.         self.ui.act_canvas_show_external.blockSignals(False)

  1353.         self.slot_canvasRefresh()

  1354. 

  1355.     @pyqtSlot()

  1356.     def slot_canvasShowExternal(self):

  1357.         self.fExternalPatchbay = True

  1358.         self.ui.act_canvas_show_internal.blockSignals(True)

  1359.         self.ui.act_canvas_show_external.blockSignals(True)

  1360.         self.ui.act_canvas_show_internal.setChecked(False)

  1361.         self.ui.act_canvas_show_external.setChecked(True)

  1362.         self.ui.act_canvas_show_internal.blockSignals(False)

  1363.         self.ui.act_canvas_show_external.blockSignals(False)

  1364.         self.slot_canvasRefresh()

  1365. 

  1366.     @pyqtSlot()

  1367.     def slot_canvasArrange(self):

  1368.         patchcanvas.arrange()

  1369. 

  1370.     @pyqtSlot()

  1371.     def slot_canvasRefresh(self):

  1372.         patchcanvas.clear()

  1373. 

  1374.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and (self.host.isControl or self.host.isPlugin):

  1375.             return

  1376. 

  1377.         if self.host.is_engine_running():

  1378.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1379. 

  1380.         self.updateMiniCanvasLater()

  1381. 

  1382.     @pyqtSlot()

  1383.     def slot_canvasZoomFit(self):

  1384.         self.scene.zoom_fit()

  1385. 

  1386.     @pyqtSlot()

  1387.     def slot_canvasZoomIn(self):

  1388.         self.scene.zoom_in()

  1389. 

  1390.     @pyqtSlot()

  1391.     def slot_canvasZoomOut(self):

  1392.         self.scene.zoom_out()

  1393. 

  1394.     @pyqtSlot()

  1395.     def slot_canvasZoomReset(self):

  1396.         self.scene.zoom_reset()

  1397. 

  1398.     @pyqtSlot()

  1399.     def slot_canvasSaveImage(self):

  1400.         newPath, ok = QFileDialog.getSaveFileName(self, self.tr("Save Image"), filter=self.tr("PNG Image (*.png);;JPEG Image (*.jpg)"))

  1401. 

  1402.         # FIXME use ok value, test if it works as expected

  1403.         if not newPath:

  1404.             return

  1405. 

  1406.         self.scene.clearSelection()

  1407. 

  1408.         if newPath.lower().endswith((".jpg", ".jpeg")):

  1409.             imgFormat = "JPG"

  1410.         elif newPath.lower().endswith((".png",)):

  1411.             imgFormat = "PNG"

  1412.         else:

  1413.             # File-dialog may not auto-add the extension

  1414.             imgFormat = "PNG"

  1415.             newPath  += ".png"

  1416. 

  1417.         self.fExportImage = QImage(self.scene.sceneRect().width(), self.scene.sceneRect().height(), QImage.Format_RGB32)

  1418.         painter = QPainter(self.fExportImage)

  1419.         painter.save()

  1420.         painter.setRenderHint(QPainter.Antialiasing) # TODO - set true, cleanup this

  1421.         painter.setRenderHint(QPainter.TextAntialiasing)

  1422.         self.scene.render(painter)

  1423.         self.fExportImage.save(newPath, imgFormat, 100)

  1424.         painter.restore()

  1425. 

  1426.     # --------------------------------------------------------------------------------------------------------

  1427.     # Canvas (canvas callbacks)

  1428. 

  1429.     @pyqtSlot(int, int, QPointF)

  1430.     def slot_canvasItemMoved(self, group_id, split_mode, pos):

  1431.         self.updateMiniCanvasLater()

  1432. 

  1433.     @pyqtSlot()

  1434.     def slot_canvasSelectionChanged(self):

  1435.         self.updateMiniCanvasLater()

  1436. 

  1437.     @pyqtSlot(float)

  1438.     def slot_canvasScaleChanged(self, scale):

  1439.         self.ui.miniCanvasPreview.setViewScale(scale)

  1440. 

  1441.     @pyqtSlot(list)

  1442.     def slot_canvasPluginSelected(self, pluginList):

  1443.         self.ui.keyboard.allNotesOff(False)

  1444.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1445.         self.fSelectedPlugins = pluginList

  1446. 

  1447.     # --------------------------------------------------------------------------------------------------------

  1448.     # Canvas (host callbacks)

  1449. 

  1450.     @pyqtSlot(int, int, int, str)

  1451.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1452.         pcSplit = patchcanvas.SPLIT_UNDEF

  1453.         pcIcon  = patchcanvas.ICON_APPLICATION

  1454. 

  1455.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1456.             pcIcon = patchcanvas.ICON_PLUGIN

  1457.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1458.             pcIcon = patchcanvas.ICON_HARDWARE

  1459.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1460.             pass

  1461.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1462.             pcIcon = patchcanvas.ICON_DISTRHO

  1463.         elif clientIcon == PATCHBAY_ICON_FILE:

  1464.             pcIcon = patchcanvas.ICON_FILE

  1465. 

  1466.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1467. 

  1468.         self.updateMiniCanvasLater()

  1469. 

  1470.         if pluginId < 0:

  1471.             return

  1472.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1473.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1474.             return

  1475. 

  1476.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1477.             hasCustomUI = False

  1478.         else:

  1479.             hasCustomUI = bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI)

  1480. 

  1481.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI)

  1482. 

  1483.     @pyqtSlot(int)

  1484.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1485.         patchcanvas.removeGroup(clientId)

  1486.         self.updateMiniCanvasLater()

  1487. 

  1488.     @pyqtSlot(int, str)

  1489.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1490.         patchcanvas.renameGroup(clientId, newClientName)

  1491.         self.updateMiniCanvasLater()

  1492. 

  1493.     @pyqtSlot(int, int, int)

  1494.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1495.         pcIcon = patchcanvas.ICON_APPLICATION

  1496. 

  1497.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1498.             pcIcon = patchcanvas.ICON_PLUGIN

  1499.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1500.             pcIcon = patchcanvas.ICON_HARDWARE

  1501.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1502.             pass

  1503.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1504.             pcIcon = patchcanvas.ICON_DISTRHO

  1505.         elif clientIcon == PATCHBAY_ICON_FILE:

  1506.             pcIcon = patchcanvas.ICON_FILE

  1507. 

  1508.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1509.         self.updateMiniCanvasLater()

  1510. 

  1511.         if pluginId < 0:

  1512.             return

  1513.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1514.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1515.             return

  1516. 

  1517.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1518.             hasCustomUI = False

  1519.         else:

  1520.             hasCustomUI = bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI)

  1521. 

  1522.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI)

  1523. 

  1524.     @pyqtSlot(int, int, int, str)

  1525.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portName):

  1526.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1527.             portMode = patchcanvas.PORT_MODE_INPUT

  1528.         else:

  1529.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1530. 

  1531.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1532.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1533.             isAlternate = False

  1534.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1535.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1536.             isAlternate = True

  1537.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1538.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1539.             isAlternate = False

  1540.         else:

  1541.             portType    = patchcanvas.PORT_TYPE_NULL

  1542.             isAlternate = False

  1543. 

  1544.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1545.         self.updateMiniCanvasLater()

  1546. 

  1547.     @pyqtSlot(int, int)

  1548.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  1549.         patchcanvas.removePort(groupId, portId)

  1550.         self.updateMiniCanvasLater()

  1551. 

  1552.     @pyqtSlot(int, int, str)

  1553.     def slot_handlePatchbayPortRenamedCallback(self, groupId, portId, newPortName):

  1554.         patchcanvas.renamePort(groupId, portId, newPortName)

  1555.         self.updateMiniCanvasLater()

  1556. 

  1557.     @pyqtSlot(int, int, int, int, int)

  1558.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1559.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1560.         self.updateMiniCanvasLater()

  1561. 

  1562.     @pyqtSlot(int, int, int)

  1563.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1564.         patchcanvas.disconnectPorts(connectionId)

  1565.         self.updateMiniCanvasLater()

  1566. 

  1567.     # --------------------------------------------------------------------------------------------------------

  1568.     # Settings

  1569. 

  1570.     def saveSettings(self):

  1571.         settings = QSettings()

  1572. 

  1573.         settings.setValue("Geometry", self.saveGeometry())

  1574.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  1575.         settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  1576. 

  1577.         diskFolders = []

  1578. 

  1579.         for i in range(self.ui.cb_disk.count()):

  1580.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1581. 

  1582.         settings.setValue("DiskFolders", diskFolders)

  1583.         settings.setValue("LastBPM", self.fLastTransportBPM)

  1584. 

  1585.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1586.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1587.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1588.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1589. 

  1590.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_MODE,  self.host.transportMode)

  1591.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, self.host.transportExtra)

  1592. 

  1593.     def loadSettings(self, firstTime):

  1594.         settings = QSettings()

  1595. 

  1596.         if firstTime:

  1597.             self.restoreGeometry(settings.value("Geometry", b""))

  1598. 

  1599.             showToolbar = settings.value("ShowToolbar", True, type=bool)

  1600.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1601.             self.ui.toolBar.setEnabled(showToolbar)

  1602.             self.ui.toolBar.setVisible(showToolbar)

  1603. 

  1604.             #if settings.contains("SplitterState"):

  1605.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  1606.             #else:

  1607.                 #self.ui.splitter.setSizes([210, 99999])

  1608. 

  1609.             showSidePanel = settings.value("ShowSidePanel", True, type=bool)

  1610.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  1611.             self.slot_showSidePanel(showSidePanel)

  1612. 

  1613.             diskFolders = toList(settings.value("DiskFolders", [HOME]))

  1614. 

  1615.             self.ui.cb_disk.setItemData(0, HOME)

  1616. 

  1617.             for i in range(len(diskFolders)):

  1618.                 if i == 0: continue

  1619.                 folder = diskFolders[i]

  1620.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1621. 

  1622.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, type=bool):

  1623.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1624. 

  1625.             showMeters = settings.value("ShowMeters", True, type=bool)

  1626.             self.ui.act_settings_show_meters.setChecked(showMeters)

  1627.             self.ui.peak_in.setVisible(showMeters)

  1628.             self.ui.peak_out.setVisible(showMeters)

  1629. 

  1630.             showKeyboard = settings.value("ShowKeyboard", True, type=bool)

  1631.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  1632.             self.ui.scrollArea.setVisible(showKeyboard)

  1633. 

  1634.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  1635. 

  1636.         # TODO - complete this

  1637. 

  1638.         self.fSavedSettings = {

  1639.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      type=str),

  1640.             CARLA_KEY_MAIN_CONFIRM_EXIT:        settings.value(CARLA_KEY_MAIN_CONFIRM_EXIT,        CARLA_DEFAULT_MAIN_CONFIRM_EXIT,        type=bool),

  1641.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    type=int),

  1642.             CARLA_KEY_MAIN_EXPERIMENTAL:        settings.value(CARLA_KEY_MAIN_EXPERIMENTAL,        CARLA_DEFAULT_MAIN_EXPERIMENTAL,        type=bool),

  1643.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             type=str),

  1644.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              type=str),

  1645.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  type=bool),

  1646.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, type=bool),

  1647.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  type=bool),

  1648.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         type=bool),

  1649.             CARLA_KEY_CANVAS_FANCY_EYE_CANDY:   settings.value(CARLA_KEY_CANVAS_FANCY_EYE_CANDY,   CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY,   type=bool),

  1650.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        type=bool),

  1651.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      type=int),

  1652.             CARLA_KEY_CANVAS_HQ_ANTIALIASING:   settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   type=bool),

  1653.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   type=bool) and

  1654.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", type=str).lower() == "black"),

  1655.         }

  1656. 

  1657.         settings = QSettings("falkTX", "Carla2")

  1658. 

  1659.         if self.host.experimental and not self.host.isControl:

  1660.             self.ui.act_add_jack.setVisible(settings.value(CARLA_KEY_EXPERIMENTAL_JACK_APPS,

  1661.                                                            CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS, type=bool))

  1662.         else:

  1663.             self.ui.act_add_jack.setVisible(False)

  1664. 

  1665.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY] else 0

  1666. 

  1667.         setEngineSettings(self.host)

  1668.         self.restartTimersIfNeeded()

  1669. 

  1670.     # --------------------------------------------------------------------------------------------------------

  1671.     # Settings (helpers)

  1672. 

  1673.     def enableTransport(self, enabled):

  1674.         self.ui.group_transport_controls.setEnabled(enabled)

  1675.         self.ui.group_transport_settings.setEnabled(enabled)

  1676. 

  1677.     @pyqtSlot()

  1678.     def slot_restoreCanvasScrollbarValues(self):

  1679.         settings = QSettings()

  1680.         self.ui.graphicsView.horizontalScrollBar().setValue(settings.value("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().maximum()/2, type=int))

  1681.         self.ui.graphicsView.verticalScrollBar().setValue(settings.value("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().maximum()/2, type=int))

  1682. 

  1683.     # --------------------------------------------------------------------------------------------------------

  1684.     # Settings (menu actions)

  1685. 

  1686.     @pyqtSlot(bool)

  1687.     def slot_showSidePanel(self, yesNo):

  1688.         self.ui.dockWidget.setEnabled(yesNo)

  1689.         self.ui.dockWidget.setVisible(yesNo)

  1690. 

  1691.     @pyqtSlot(bool)

  1692.     def slot_showToolbar(self, yesNo):

  1693.         self.ui.toolBar.setEnabled(yesNo)

  1694.         self.ui.toolBar.setVisible(yesNo)

  1695. 

  1696.     @pyqtSlot(bool)

  1697.     def slot_showCanvasMeters(self, yesNo):

  1698.         self.ui.peak_in.setVisible(yesNo)

  1699.         self.ui.peak_out.setVisible(yesNo)

  1700.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1701. 

  1702.     @pyqtSlot(bool)

  1703.     def slot_showCanvasKeyboard(self, yesNo):

  1704.         self.ui.scrollArea.setVisible(yesNo)

  1705.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1706. 

  1707.     @pyqtSlot()

  1708.     def slot_configureCarla(self):

  1709.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  1710.         if not dialog.exec_():

  1711.             return

  1712. 

  1713.         self.loadSettings(False)

  1714. 

  1715.         patchcanvas.clear()

  1716. 

  1717.         self.setupCanvas()

  1718.         self.slot_miniCanvasCheckAll()

  1719. 

  1720.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1721.             pass

  1722.         elif self.host.is_engine_running():

  1723.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1724. 

  1725.     # --------------------------------------------------------------------------------------------------------

  1726.     # About (menu actions)

  1727. 

  1728.     @pyqtSlot()

  1729.     def slot_aboutCarla(self):

  1730.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  1731. 

  1732.     @pyqtSlot()

  1733.     def slot_aboutJuce(self):

  1734.         JuceAboutW(self.fParentOrSelf).exec_()

  1735. 

  1736.     @pyqtSlot()

  1737.     def slot_aboutQt(self):

  1738.         QApplication.instance().aboutQt()

  1739. 

  1740.     # --------------------------------------------------------------------------------------------------------

  1741.     # Disk (menu actions)

  1742. 

  1743.     @pyqtSlot(int)

  1744.     def slot_diskFolderChanged(self, index):

  1745.         if index < 0:

  1746.             return

  1747.         elif index == 0:

  1748.             filename = HOME

  1749.             self.ui.b_disk_remove.setEnabled(False)

  1750.         else:

  1751.             filename = self.ui.cb_disk.itemData(index)

  1752.             self.ui.b_disk_remove.setEnabled(True)

  1753. 

  1754.         self.fDirModel.setRootPath(filename)

  1755.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  1756. 

  1757.     @pyqtSlot()

  1758.     def slot_diskFolderAdd(self):

  1759.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  1760. 

  1761.         if newPath:

  1762.             if newPath[-1] == os.sep:

  1763.                 newPath = newPath[:-1]

  1764.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  1765.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  1766.             self.ui.b_disk_remove.setEnabled(True)

  1767. 

  1768.     @pyqtSlot()

  1769.     def slot_diskFolderRemove(self):

  1770.         index = self.ui.cb_disk.currentIndex()

  1771. 

  1772.         if index <= 0:

  1773.             return

  1774. 

  1775.         self.ui.cb_disk.removeItem(index)

  1776. 

  1777.         if self.ui.cb_disk.currentIndex() == 0:

  1778.             self.ui.b_disk_remove.setEnabled(False)

  1779. 

  1780.     @pyqtSlot(QModelIndex)

  1781.     def slot_fileTreeDoubleClicked(self, modelIndex):

  1782.         filename = self.fDirModel.filePath(modelIndex)

  1783. 

  1784.         if not self.ui.listWidget.isDragUrlValid(filename):

  1785.             return

  1786. 

  1787.         if not self.host.load_file(filename):

  1788.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  1789.                              self.tr("Failed to load file"),

  1790.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1791. 

  1792.     # --------------------------------------------------------------------------------------------------------

  1793.     # Transport

  1794. 

  1795.     def refreshTransport(self, forced = False):

  1796.         if not self.isVisible():

  1797.             return

  1798.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  1799.             return

  1800. 

  1801.         timeInfo = self.host.get_transport_info()

  1802.         playing  = timeInfo['playing']

  1803.         frame    = timeInfo['frame']

  1804.         bpm      = timeInfo['bpm']

  1805. 

  1806.         if playing != self.fLastTransportState or forced:

  1807.             if playing:

  1808.                 icon = getIcon("media-playback-pause")

  1809.                 self.ui.b_transport_play.setChecked(True)

  1810.                 self.ui.b_transport_play.setIcon(icon)

  1811.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  1812.             else:

  1813.                 icon = getIcon("media-playback-start")

  1814.                 self.ui.b_transport_play.setChecked(False)

  1815.                 self.ui.b_transport_play.setIcon(icon)

  1816.                 #self.ui.b_play.setText(self.tr("&Play"))

  1817. 

  1818.             self.fLastTransportState = playing

  1819. 

  1820.         if frame != self.fLastTransportFrame or forced:

  1821.             self.fLastTransportFrame = frame

  1822. 

  1823.             time = frame / self.fSampleRate

  1824.             secs =  time % 60

  1825.             mins = (time / 60) % 60

  1826.             hrs  = (time / 3600) % 60

  1827.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  1828. 

  1829.             frame1 =  frame % 1000

  1830.             frame2 = (frame / 1000) % 1000

  1831.             frame3 = (frame / 1000000) % 1000

  1832.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  1833. 

  1834.             bar  = timeInfo['bar']

  1835.             beat = timeInfo['beat']

  1836.             tick = timeInfo['tick']

  1837.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  1838. 

  1839.         if bpm != self.fLastTransportBPM or forced:

  1840.             self.fLastTransportBPM = bpm

  1841. 

  1842.             if bpm > 0.0:

  1843.                 self.ui.dsb_transport_bpm.blockSignals(True)

  1844.                 self.ui.dsb_transport_bpm.setValue(bpm)

  1845.                 self.ui.dsb_transport_bpm.blockSignals(False)

  1846.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  1847.             else:

  1848.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  1849. 

  1850.     # --------------------------------------------------------------------------------------------------------

  1851.     # Transport (menu actions)

  1852. 

  1853.     @pyqtSlot(bool)

  1854.     def slot_transportPlayPause(self, toggled):

  1855.         if self.host.isPlugin or not self.host.is_engine_running():

  1856.             return

  1857. 

  1858.         if toggled:

  1859.             self.host.transport_play()

  1860.         else:

  1861.             self.host.transport_pause()

  1862. 

  1863.         self.refreshTransport()

  1864. 

  1865.     @pyqtSlot()

  1866.     def slot_transportStop(self):

  1867.         if self.host.isPlugin or not self.host.is_engine_running():

  1868.             return

  1869. 

  1870.         self.host.transport_pause()

  1871.         self.host.transport_relocate(0)

  1872. 

  1873.         self.refreshTransport()

  1874. 

  1875.     @pyqtSlot()

  1876.     def slot_transportBackwards(self):

  1877.         if self.host.isPlugin or not self.host.is_engine_running():

  1878.             return

  1879. 

  1880.         newFrame = self.host.get_current_transport_frame() - 100000

  1881. 

  1882.         if newFrame < 0:

  1883.             newFrame = 0

  1884. 

  1885.         self.host.transport_relocate(newFrame)

  1886. 

  1887.     @pyqtSlot(float)

  1888.     def slot_transportBpmChanged(self, newValue):

  1889.         self.host.transport_bpm(newValue)

  1890. 

  1891.     @pyqtSlot()

  1892.     def slot_transportForwards(self):

  1893.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  1894.             return

  1895. 

  1896.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  1897.         self.host.transport_relocate(newFrame)

  1898. 

  1899.     @pyqtSlot(bool)

  1900.     def slot_transportJackEnabled(self, clicked):

  1901.         if not self.host.is_engine_running():

  1902.             return

  1903.         self.host.transportMode = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  1904.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  1905.                                     self.host.transportMode,

  1906.                                     self.host.transportExtra)

  1907. 

  1908.     @pyqtSlot(bool)

  1909.     def slot_transportLinkEnabled(self, clicked):

  1910.         if not self.host.is_engine_running():

  1911.             return

  1912.         extra = ":link:" if clicked else ""

  1913.         self.host.transportExtra = extra

  1914.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  1915.                                     self.host.transportMode,

  1916.                                     self.host.transportExtra)

  1917. 

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

  1919.     # Canvas scrollbars

  1920. 

  1921.     @pyqtSlot(int)

  1922.     def slot_horizontalScrollBarChanged(self, value):

  1923.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  1924.         if maximum == 0:

  1925.             xp = 0

  1926.         else:

  1927.             xp = float(value) / maximum

  1928.         self.ui.miniCanvasPreview.setViewPosX(xp)

  1929.         self.updateCanvasInitialPos()

  1930. 

  1931.     @pyqtSlot(int)

  1932.     def slot_verticalScrollBarChanged(self, value):

  1933.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  1934.         if maximum == 0:

  1935.             yp = 0

  1936.         else:

  1937.             yp = float(value) / maximum

  1938.         self.ui.miniCanvasPreview.setViewPosY(yp)

  1939.         self.updateCanvasInitialPos()

  1940. 

  1941.     # --------------------------------------------------------------------------------------------------------

  1942.     # Canvas keyboard

  1943. 

  1944.     @pyqtSlot(int)

  1945.     def slot_noteOn(self, note):

  1946.         for pluginId in self.fSelectedPlugins:

  1947.             self.host.send_midi_note(pluginId, 0, note, 100)

  1948. 

  1949.             pedit = self.getPluginEditDialog(pluginId)

  1950.             pedit.noteOn(0, note, 100)

  1951. 

  1952.     @pyqtSlot(int)

  1953.     def slot_noteOff(self, note):

  1954.         for pluginId in self.fSelectedPlugins:

  1955.             self.host.send_midi_note(pluginId, 0, note, 0)

  1956. 

  1957.             pedit = self.getPluginEditDialog(pluginId)

  1958.             pedit.noteOff(0, note)

  1959. 

  1960.     # --------------------------------------------------------------------------------------------------------

  1961.     # Canvas keyboard (host callbacks)

  1962. 

  1963.     @pyqtSlot(int, int, int, int)

  1964.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  1965.         if pluginId in self.fSelectedPlugins:

  1966.             self.ui.keyboard.sendNoteOn(note, False)

  1967. 

  1968.     @pyqtSlot(int, int, int)

  1969.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  1970.         if pluginId in self.fSelectedPlugins:

  1971.             self.ui.keyboard.sendNoteOff(note, False)

  1972. 

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

  1974. 

  1975.     @pyqtSlot(int)

  1976.     def slot_handleUpdateCallback(self, pluginId):

  1977.         pitem = self.getPluginItem(pluginId)

  1978. 

  1979.         if pitem is None:

  1980.             return

  1981. 

  1982.         wasCompacted = pitem.isCompacted()

  1983.         isCompacted  = wasCompacted

  1984. 

  1985.         check = self.host.get_custom_data_value(pluginId, CUSTOM_DATA_TYPE_PROPERTY, "CarlaSkinIsCompacted")

  1986.         if not check:

  1987.             return

  1988.         isCompacted = bool(check == "true")

  1989. 

  1990.         if wasCompacted == isCompacted:

  1991.             return

  1992. 

  1993.         pitem.recreateWidget(True)

  1994. 

  1995.     # --------------------------------------------------------------------------------------------------------

  1996.     # MiniCanvas stuff

  1997. 

  1998.     @pyqtSlot()

  1999.     def slot_miniCanvasCheckAll(self):

  2000.         self.slot_miniCanvasCheckSize()

  2001.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  2002.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  2003. 

  2004.     @pyqtSlot()

  2005.     def slot_miniCanvasCheckSize(self):

  2006.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  2007.             return

  2008. 

  2009.         currentIndex = self.ui.tabWidget.currentIndex()

  2010. 

  2011.         if currentIndex == 1:

  2012.             width  = self.ui.graphicsView.width()

  2013.             height = self.ui.graphicsView.height()

  2014.         else:

  2015.             self.ui.tabWidget.blockSignals(True)

  2016.             self.ui.tabWidget.setCurrentIndex(1)

  2017.             width  = self.ui.graphicsView.width()

  2018.             height = self.ui.graphicsView.height()

  2019.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  2020.             self.ui.tabWidget.blockSignals(False)

  2021. 

  2022.         self.scene.updateLimits()

  2023. 

  2024.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  2025. 

  2026.     @pyqtSlot(float, float)

  2027.     def slot_miniCanvasMoved(self, xp, yp):

  2028.         hsb = self.ui.graphicsView.horizontalScrollBar()

  2029.         vsb = self.ui.graphicsView.verticalScrollBar()

  2030.         hsb.setValue(xp * hsb.maximum())

  2031.         vsb.setValue(yp * vsb.maximum())

  2032.         self.updateCanvasInitialPos()

  2033. 

  2034.     # --------------------------------------------------------------------------------------------------------

  2035.     # Timers

  2036. 

  2037.     def startTimers(self):

  2038.         if self.fIdleTimerFast == 0:

  2039.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2040. 

  2041.         if self.fIdleTimerSlow == 0:

  2042.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2043. 

  2044.     def restartTimersIfNeeded(self):

  2045.         if self.fIdleTimerFast != 0:

  2046.             self.killTimer(self.fIdleTimerFast)

  2047.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2048. 

  2049.         if self.fIdleTimerSlow != 0:

  2050.             self.killTimer(self.fIdleTimerSlow)

  2051.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2052. 

  2053.     def killTimers(self):

  2054.         if self.fIdleTimerFast != 0:

  2055.             self.killTimer(self.fIdleTimerFast)

  2056.             self.fIdleTimerFast = 0

  2057. 

  2058.         if self.fIdleTimerSlow != 0:

  2059.             self.killTimer(self.fIdleTimerSlow)

  2060.             self.fIdleTimerSlow = 0

  2061. 

  2062.     # --------------------------------------------------------------------------------------------------------

  2063.     # Misc

  2064. 

  2065.     @pyqtSlot(int)

  2066.     def slot_tabChanged(self, index):

  2067.         if index != 1:

  2068.             return

  2069. 

  2070.         self.ui.graphicsView.setFocus()

  2071. 

  2072.     @pyqtSlot(int)

  2073.     def slot_handleReloadAllCallback(self, pluginId):

  2074.         if pluginId >= self.fPluginCount:

  2075.             return

  2076. 

  2077.         pitem = self.fPluginList[pluginId]

  2078.         if pitem is None:

  2079.             return

  2080. 

  2081.         pitem.recreateWidget()

  2082. 

  2083.     # --------------------------------------------------------------------------------------------------------

  2084. 

  2085.     @pyqtSlot(int, int, str)

  2086.     def slot_handleNSMCallback(self, value1, value2, valueStr):

  2087.         # Error

  2088.         if value1 == 0:

  2089.             pass

  2090. 

  2091.         # Reply

  2092.         elif value1 == 1:

  2093.             self.fFirstEngineInit    = False

  2094.             self.fSessionManagerName = valueStr

  2095.             self.setProperWindowTitle()

  2096. 

  2097.         # Open

  2098.         elif value1 == 2:

  2099.             self.fClientName      = os.path.basename(valueStr)

  2100.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  2101.             self.setProperWindowTitle()

  2102. 

  2103.             self.fCustomStopAction = self.CUSTOM_ACTION_PROJECT_LOAD

  2104.             self.slot_engineStop(True)

  2105.             return

  2106. 

  2107.         # Save

  2108.         elif value1 == 3:

  2109.             self.saveProjectNow()

  2110. 

  2111.         # Session is Loaded

  2112.         elif value1 == 4:

  2113.             pass

  2114. 

  2115.         # Show Optional Gui

  2116.         elif value1 == 5:

  2117.             self.show()

  2118. 

  2119.         # Hide Optional Gui

  2120.         elif value1 == 6:

  2121.             self.hide()

  2122. 

  2123.         self.host.nsm_ready(value1)

  2124. 

  2125.     # --------------------------------------------------------------------------------------------------------

  2126. 

  2127.     def fixLogText(self, text):

  2128.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  2129. 

  2130.     @pyqtSlot(int, int, int, float, str)

  2131.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valueStr):

  2132.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  2133. 

  2134.     @pyqtSlot(str)

  2135.     def slot_handleInfoCallback(self, info):

  2136.         QMessageBox.information(self, "Information", info)

  2137. 

  2138.     @pyqtSlot(str)

  2139.     def slot_handleErrorCallback(self, error):

  2140.         QMessageBox.critical(self, "Error", error)

  2141. 

  2142.     @pyqtSlot()

  2143.     def slot_handleQuitCallback(self):

  2144.         pass # TODO

  2145. 

  2146.     # --------------------------------------------------------------------------------------------------------

  2147. 

  2148.     @pyqtSlot()

  2149.     def slot_handleSIGUSR1(self):

  2150.         print("Got SIGUSR1 -> Saving project now")

  2151.         self.slot_fileSave()

  2152. 

  2153.     @pyqtSlot()

  2154.     def slot_handleSIGTERM(self):

  2155.         print("Got SIGTERM -> Closing now")

  2156.         self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2157.         self.slot_engineStop(True)

  2158. 

  2159.     # --------------------------------------------------------------------------------------------------------

  2160.     # Internal stuff

  2161. 

  2162.     def getExtraPtr(self, plugin):

  2163.         ptype = plugin['type']

  2164. 

  2165.         if ptype == PLUGIN_LADSPA:

  2166.             uniqueId = plugin['uniqueId']

  2167. 

  2168.             self.maybeLoadRDFs()

  2169. 

  2170.             for rdfItem in self.fLadspaRdfList:

  2171.                 if rdfItem.UniqueID == uniqueId:

  2172.                     return pointer(rdfItem)

  2173. 

  2174.         elif ptype == PLUGIN_SF2:

  2175.             if plugin['name'].lower().endswith(" (16 outputs)"):

  2176.                 return self._true

  2177. 

  2178.         return None

  2179. 

  2180.     def maybeLoadRDFs(self):

  2181.         if not self.fLadspaRdfNeedsUpdate:

  2182.             return

  2183. 

  2184.         self.fLadspaRdfNeedsUpdate = False

  2185.         self.fLadspaRdfList = []

  2186. 

  2187.         if not haveLRDF:

  2188.             return

  2189. 

  2190.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  2191.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  2192. 

  2193.         if os.path.exists(frLadspaFile):

  2194.             frLadspa = open(frLadspaFile, 'r')

  2195. 

  2196.             try:

  2197.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  2198.             except:

  2199.                 pass

  2200. 

  2201.             frLadspa.close()

  2202. 

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

  2204. 

  2205.     def getPluginCount(self):

  2206.         return self.fPluginCount

  2207. 

  2208.     def getPluginItem(self, pluginId):

  2209.         if pluginId >= self.fPluginCount:

  2210.             return None

  2211. 

  2212.         pitem = self.fPluginList[pluginId]

  2213.         if pitem is None:

  2214.             return None

  2215.         #if False:

  2216.             #return CarlaRackItem(self, 0, False)

  2217. 

  2218.         return pitem

  2219. 

  2220.     def getPluginEditDialog(self, pluginId):

  2221.         if pluginId >= self.fPluginCount:

  2222.             return None

  2223. 

  2224.         pitem = self.fPluginList[pluginId]

  2225.         if pitem is None:

  2226.             return None

  2227.         if False:

  2228.             return PluginEdit(self, self.host, 0)

  2229. 

  2230.         return pitem.getEditDialog()

  2231. 

  2232.     def getPluginSlotWidget(self, pluginId):

  2233.         if pluginId >= self.fPluginCount:

  2234.             return None

  2235. 

  2236.         pitem = self.fPluginList[pluginId]

  2237.         if pitem is None:

  2238.             return None

  2239.         #if False:

  2240.             #return AbstractPluginSlot()

  2241. 

  2242.         return pitem.getWidget()

  2243. 

  2244.     # --------------------------------------------------------------------------------------------------------

  2245. 

  2246.     def waitForPendingEvents(self):

  2247.         pass

  2248. 

  2249.     # --------------------------------------------------------------------------------------------------------

  2250.     # show/hide event

  2251. 

  2252.     def showEvent(self, event):

  2253.         self.refreshTransport(True)

  2254.         QMainWindow.showEvent(self, event)

  2255. 

  2256.         # set our gui as parent for all plugins UIs

  2257.         if self.host.manageUIs and not (self.host.isControl or self.host.isPlugin):

  2258.             if MACOS:

  2259.                 nsViewPtr = int(self.winId())

  2260.                 winIdStr  = "%x" % gCarla.utils.cocoa_get_window(nsViewPtr)

  2261.             else:

  2262.                 winIdStr = "%x" % int(self.winId())

  2263.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2264. 

  2265.     def hideEvent(self, event):

  2266.         # disable parent

  2267.         if not (self.host.isControl or self.host.isPlugin):

  2268.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2269. 

  2270.         QMainWindow.hideEvent(self, event)

  2271. 

  2272.     # --------------------------------------------------------------------------------------------------------

  2273.     # resize event

  2274. 

  2275.     def resizeEvent(self, event):

  2276.         QMainWindow.resizeEvent(self, event)

  2277. 

  2278.         if self.fWithCanvas:

  2279.             self.slot_miniCanvasCheckSize()

  2280. 

  2281.     # --------------------------------------------------------------------------------------------------------

  2282.     # timer event

  2283. 

  2284.     def idleFast(self):

  2285.         self.host.engine_idle()

  2286.         self.refreshTransport()

  2287. 

  2288.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2289.             return

  2290. 

  2291.         for pitem in self.fPluginList:

  2292.             if pitem is None:

  2293.                 break

  2294. 

  2295.             pitem.getWidget().idleFast()

  2296. 

  2297.         for pluginId in self.fSelectedPlugins:

  2298.             self.fPeaksCleared = False

  2299.             if self.ui.peak_in.isVisible():

  2300.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2301.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2302.             if self.ui.peak_out.isVisible():

  2303.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2304.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2305.             return

  2306. 

  2307.         if self.fPeaksCleared:

  2308.             return

  2309. 

  2310.         self.fPeaksCleared = True

  2311.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2312.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2313.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2314.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2315. 

  2316.     def idleSlow(self):

  2317.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2318.             return

  2319. 

  2320.         for pitem in self.fPluginList:

  2321.             if pitem is None:

  2322.                 break

  2323. 

  2324.             pitem.getWidget().idleSlow()

  2325. 

  2326.     def timerEvent(self, event):

  2327.         if event.timerId() == self.fIdleTimerFast:

  2328.             self.idleFast()

  2329. 

  2330.         elif event.timerId() == self.fIdleTimerSlow:

  2331.             self.idleSlow()

  2332. 

  2333.         QMainWindow.timerEvent(self, event)

  2334. 

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

  2336.     # color/style change event

  2337. 

  2338.     def changeEvent(self, event):

  2339.         if event.type() in (QEvent.PaletteChange, QEvent.StyleChange):

  2340.             self.updateStyle()

  2341.         QWidget.changeEvent(self, event)

  2342. 

  2343.     def updateStyle(self):

  2344.         # Rack padding images setup

  2345.         rack_imgL = QImage(":/bitmaps/rack_padding_left.png")

  2346.         rack_imgR = QImage(":/bitmaps/rack_padding_right.png")

  2347. 

  2348.         min_value = 0.07

  2349. 

  2350.         if PYQT_VERSION >= 0x50600:

  2351.             value_fix = 1.0/(1.0-rack_imgL.scaled(1, 1, Qt.IgnoreAspectRatio, Qt.SmoothTransformation).pixelColor(0,0).blackF())

  2352.         else:

  2353.             value_fix = 1.5

  2354. 

  2355.         bg_color = self.ui.rack.palette().window().color()

  2356.         bg_value = 1.0 - bg_color.blackF()

  2357.         if bg_value != 0.0 and bg_value < min_value:

  2358.             pad_color = bg_color.lighter(100*min_value/bg_value*value_fix)

  2359.         else:

  2360.             pad_color = QColor.fromHsvF(0.0, 0.0, min_value*value_fix)

  2361. 

  2362.         painter = QPainter()

  2363.         fillRect = rack_imgL.rect().adjusted(-1,-1,1,1)

  2364. 

  2365.         painter.begin(rack_imgL)

  2366.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2367.         painter.setBrush(pad_color)

  2368.         painter.drawRect(fillRect)

  2369.         painter.end()

  2370.         rack_pixmapL = QPixmap(rack_imgL)

  2371.         self.imgL_palette = QPalette()

  2372.         self.imgL_palette.setBrush(QPalette.Window, QBrush(rack_pixmapL))

  2373.         self.ui.pad_left.setPalette(self.imgL_palette)

  2374.         self.ui.pad_left.setAutoFillBackground(True)

  2375. 

  2376.         painter.begin(rack_imgR)

  2377.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2378.         painter.setBrush(pad_color)

  2379.         painter.drawRect(fillRect)

  2380.         painter.end()

  2381.         rack_pixmapR = QPixmap(rack_imgR)

  2382.         self.imgR_palette = QPalette()

  2383.         self.imgR_palette.setBrush(QPalette.Window, QBrush(rack_pixmapR))

  2384.         self.ui.pad_right.setPalette(self.imgR_palette)

  2385.         self.ui.pad_right.setAutoFillBackground(True)

  2386. 

  2387.     # --------------------------------------------------------------------------------------------------------

  2388.     # paint event

  2389. 

  2390.     #def paintEvent(self, event):

  2391.         #QMainWindow.paintEvent(self, event)

  2392. 

  2393.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2394.             #return

  2395. 

  2396.         #painter = QPainter(self)

  2397.         #painter.setBrush(QColor(36, 36, 36))

  2398.         #painter.setPen(QColor(62, 62, 62))

  2399.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2400. 

  2401.     # --------------------------------------------------------------------------------------------------------

  2402.     # close event

  2403. 

  2404.     def shouldIgnoreClose(self):

  2405.         if self.host.isControl or self.host.isPlugin:

  2406.             return False

  2407.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  2408.             return False

  2409.         if self.fSavedSettings[CARLA_KEY_MAIN_CONFIRM_EXIT]:

  2410.             return QMessageBox.question(self, self.tr("Quit"),

  2411.                                               self.tr("Are you sure you want to quit Carla?"),

  2412.                                               QMessageBox.Yes|QMessageBox.No) == QMessageBox.No

  2413.         return False

  2414. 

  2415.     def closeEvent(self, event):

  2416.         if self.shouldIgnoreClose():

  2417.             event.ignore()

  2418.             return

  2419. 

  2420.         if MACOS and self.fMacClosingHelper and not (self.host.isControl or self.host.isPlugin):

  2421.             self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2422.             self.fMacClosingHelper = False

  2423.             event.ignore()

  2424. 

  2425.             for i in reversed(range(self.fPluginCount)):

  2426.                 self.host.show_custom_ui(i, False)

  2427. 

  2428.             QTimer.singleShot(100, self.close)

  2429.             return

  2430. 

  2431.         self.killTimers()

  2432.         self.saveSettings()

  2433. 

  2434.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  2435.             if not self.slot_engineStop(True):

  2436.                 self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2437.                 event.ignore()

  2438.                 return

  2439. 

  2440.         QMainWindow.closeEvent(self, event)

  2441. 

  2442. # ------------------------------------------------------------------------------------------------

  2443. # Canvas callback

  2444. 

  2445. def canvasCallback(action, value1, value2, valueStr):

  2446.     host = gCarla.gui.host

  2447. 

  2448.     if action == patchcanvas.ACTION_GROUP_INFO:

  2449.         pass

  2450. 

  2451.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  2452.         pass

  2453. 

  2454.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  2455.         groupId = value1

  2456.         patchcanvas.splitGroup(groupId)

  2457.         gCarla.gui.updateMiniCanvasLater()

  2458. 

  2459.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  2460.         groupId = value1

  2461.         patchcanvas.joinGroup(groupId)

  2462.         gCarla.gui.updateMiniCanvasLater()

  2463. 

  2464.     elif action == patchcanvas.ACTION_PORT_INFO:

  2465.         pass

  2466. 

  2467.     elif action == patchcanvas.ACTION_PORT_RENAME:

  2468.         pass

  2469. 

  2470.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  2471.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")]

  2472. 

  2473.         if not host.patchbay_connect(gOut, pOut, gIn, pIn):

  2474.             print("Connection failed:", host.get_last_error())

  2475. 

  2476.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  2477.         connectionId = value1

  2478. 

  2479.         if not host.patchbay_disconnect(connectionId):

  2480.             print("Disconnect failed:", host.get_last_error())

  2481. 

  2482.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  2483.         pluginId = value1

  2484. 

  2485.         if not host.clone_plugin(pluginId):

  2486.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2487.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2488. 

  2489.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  2490.         pluginId = value1

  2491.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2492. 

  2493.         if pwidget is not None:

  2494.             pwidget.showEditDialog()

  2495. 

  2496.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  2497.         pluginId = value1

  2498.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2499. 

  2500.         if pwidget is not None:

  2501.             pwidget.showRenameDialog()

  2502. 

  2503.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  2504.         pluginId = value1

  2505.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2506. 

  2507.         if pwidget is not None:

  2508.             pwidget.showReplaceDialog()

  2509. 

  2510.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  2511.         pluginId = value1

  2512. 

  2513.         if not host.remove_plugin(pluginId):

  2514.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2515.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2516. 

  2517.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  2518.         pluginId = value1

  2519.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2520. 

  2521.         if pwidget is not None:

  2522.             pwidget.showCustomUI()

  2523. 

  2524.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  2525.         gCarla.gui.showPluginActionsMenu()

  2526. 

  2527. # ------------------------------------------------------------------------------------------------------------

  2528. # Engine callback

  2529. 

  2530. def engineCallback(host, action, pluginId, value1, value2, value3, valueStr):

  2531.     # kdevelop likes this :)

  2532.     if False: host = CarlaHostNull()

  2533. 

  2534.     valueStr = charPtrToString(valueStr)

  2535. 

  2536.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  2537.         host.processMode   = value1

  2538.         host.transportMode = value2

  2539.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2540.         host.processMode   = value1

  2541.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2542.         host.transportMode  = value1

  2543.         host.transportExtra = valueStr

  2544. 

  2545.     if action == ENGINE_CALLBACK_DEBUG:

  2546.         host.DebugCallback.emit(pluginId, value1, value2, value3, valueStr)

  2547.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  2548.         host.PluginAddedCallback.emit(pluginId, valueStr)

  2549.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  2550.         host.PluginRemovedCallback.emit(pluginId)

  2551.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  2552.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  2553.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  2554.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  2555.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  2556.         host.ParameterValueChangedCallback.emit(pluginId, value1, value3)

  2557.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  2558.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, value3)

  2559.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CC_CHANGED:

  2560.         host.ParameterMidiCcChangedCallback.emit(pluginId, value1, value2)

  2561.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  2562.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  2563.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  2564.         host.ProgramChangedCallback.emit(pluginId, value1)

  2565.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  2566.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  2567.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  2568.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  2569.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  2570.         host.UiStateChangedCallback.emit(pluginId, value1)

  2571.     elif action == ENGINE_CALLBACK_NOTE_ON:

  2572.         host.NoteOnCallback.emit(pluginId, value1, value2, round(value3))

  2573.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  2574.         host.NoteOffCallback.emit(pluginId, value1, value2)

  2575.     elif action == ENGINE_CALLBACK_UPDATE:

  2576.         host.UpdateCallback.emit(pluginId)

  2577.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  2578.         host.ReloadInfoCallback.emit(pluginId)

  2579.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  2580.         host.ReloadParametersCallback.emit(pluginId)

  2581.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  2582.         host.ReloadProgramsCallback.emit(pluginId)

  2583.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  2584.         host.ReloadAllCallback.emit(pluginId)

  2585.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  2586.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  2587.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  2588.         host.PatchbayClientRemovedCallback.emit(pluginId)

  2589.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  2590.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  2591.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  2592.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  2593.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  2594.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, valueStr)

  2595.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  2596.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  2597.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_RENAMED:

  2598.         host.PatchbayPortRenamedCallback.emit(pluginId, value1, valueStr)

  2599.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  2600.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  2601.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  2602.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  2603.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  2604.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  2605.         host.EngineStartedCallback.emit(value1, value2, value3, valueStr)

  2606.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  2607.         host.EngineStoppedCallback.emit()

  2608.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2609.         host.ProcessModeChangedCallback.emit(value1)

  2610.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2611.         host.TransportModeChangedCallback.emit(value1, valueStr)

  2612.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  2613.         host.BufferSizeChangedCallback.emit(value1)

  2614.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  2615.         host.SampleRateChangedCallback.emit(value3)

  2616.     elif action == ENGINE_CALLBACK_CANCELABLE_ACTION:

  2617.         host.CancelableActionCallback.emit(pluginId, bool(value1 != 0), valueStr)

  2618.     elif action == ENGINE_CALLBACK_PROJECT_LOAD_FINISHED:

  2619.         host.ProjectLoadFinishedCallback.emit()

  2620.     elif action == ENGINE_CALLBACK_NSM:

  2621.         host.NSMCallback.emit(value1, value2, valueStr)

  2622.     elif action == ENGINE_CALLBACK_IDLE:

  2623.         QApplication.processEvents()

  2624.     elif action == ENGINE_CALLBACK_INFO:

  2625.         host.InfoCallback.emit(valueStr)

  2626.     elif action == ENGINE_CALLBACK_ERROR:

  2627.         host.ErrorCallback.emit(valueStr)

  2628.     elif action == ENGINE_CALLBACK_QUIT:

  2629.         host.QuitCallback.emit()

  2630. 

  2631. # ------------------------------------------------------------------------------------------------------------

  2632. # File callback

  2633. 

  2634. def fileCallback(ptr, action, isDir, title, filter):

  2635.     title  = charPtrToString(title)

  2636.     filter = charPtrToString(filter)

  2637. 

  2638.     if action == FILE_CALLBACK_OPEN:

  2639.         ret, ok = QFileDialog.getOpenFileName(gCarla.gui, title, "", filter) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  2640.     elif action == FILE_CALLBACK_SAVE:

  2641.         ret, ok = QFileDialog.getSaveFileName(gCarla.gui, title, "", filter, QFileDialog.ShowDirsOnly if isDir else 0x0)

  2642.     else:

  2643.         ret, ok = ("", "")

  2644. 

  2645.     # FIXME use ok value, test if it works as expected

  2646.     if not ret:

  2647.         return None

  2648. 

  2649.     # FIXME

  2650.     global fileRet

  2651.     fileRet = c_char_p(ret.encode("utf-8"))

  2652.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  2653.     return retval.contents.value

  2654. 

  2655. # ------------------------------------------------------------------------------------------------------------

  2656. # Init host

  2657. 

  2658. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  2659.     pathBinaries, pathResources = getPaths(libPrefix)

  2660. 

  2661.     # --------------------------------------------------------------------------------------------------------

  2662.     # Check if we should open main lib as local or global

  2663. 

  2664.     settings = QSettings("falkTX", "Carla2")

  2665. 

  2666.     try:

  2667.         loadGlobal = settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL, CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL, type=bool)

  2668.     except:

  2669.         loadGlobal = CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL

  2670. 

  2671.     # --------------------------------------------------------------------------------------------------------

  2672.     # Fail if binary dir is not found

  2673. 

  2674.     if not os.path.exists(pathBinaries):

  2675.         if failError:

  2676.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  2677.             sys.exit(1)

  2678.         return

  2679. 

  2680.     # --------------------------------------------------------------------------------------------------------

  2681.     # Set Carla library name

  2682. 

  2683.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  2684.     libname   = os.path.join(pathBinaries, libname)

  2685.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  2686. 

  2687.     # --------------------------------------------------------------------------------------------------------

  2688.     # Print info

  2689. 

  2690.     print("Carla %s started, status:" % VERSION)

  2691.     print("  Python version: %s" % sys.version.split(" ",1)[0])

  2692.     print("  Qt version:     %s" % qVersion())

  2693.     print("  PyQt version:   %s" % PYQT_VERSION_STR)

  2694.     print("  Binary dir:     %s" % pathBinaries)

  2695.     print("  Resources dir:  %s" % pathResources)

  2696. 

  2697.     # --------------------------------------------------------------------------------------------------------

  2698.     # Init host

  2699. 

  2700.     if failError:

  2701.         # no try

  2702.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2703.     else:

  2704.         try:

  2705.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2706.         except:

  2707.             host = CarlaHostQtNull()

  2708. 

  2709.     host.isControl = isControl

  2710.     host.isPlugin  = isPlugin

  2711. 

  2712.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vs: engineCallback(host,a,p,v1,v2,v3,vs))

  2713.     host.set_file_callback(fileCallback)

  2714. 

  2715.     # If it's a plugin the paths are already set

  2716.     if not isPlugin:

  2717.         host.pathBinaries  = pathBinaries

  2718.         host.pathResources = pathResources

  2719.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  2720.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  2721. 

  2722.         if not isControl:

  2723.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  2724. 

  2725.     # --------------------------------------------------------------------------------------------------------

  2726.     # Init utils

  2727. 

  2728.     gCarla.utils = CarlaUtils(utilsname)

  2729.     gCarla.utils.set_process_name(os.path.basename(initName))

  2730. 

  2731.     try:

  2732.         sys.stdout.flush()

  2733.     except:

  2734.         pass

  2735. 

  2736.     sys.stdout = CarlaPrint(False)

  2737.     sys.stderr = CarlaPrint(True)

  2738.     sys.excepthook = sys_excepthook

  2739. 

  2740.     # --------------------------------------------------------------------------------------------------------

  2741.     # Done

  2742. 

  2743.     return host

  2744. 

  2745. # ------------------------------------------------------------------------------------------------------------

  2746. # Load host settings

  2747. 

  2748. def loadHostSettings(host):

  2749.     # kdevelop likes this :)

  2750.     if False: host = CarlaHostNull()

  2751. 

  2752.     settings = QSettings("falkTX", "Carla2")

  2753. 

  2754.     try:

  2755.         host.experimental = settings.value(CARLA_KEY_MAIN_EXPERIMENTAL, CARLA_DEFAULT_MAIN_EXPERIMENTAL, type=bool)

  2756.     except:

  2757.         host.experimental = CARLA_DEFAULT_MAIN_EXPERIMENTAL

  2758. 

  2759.     try:

  2760.         host.exportLV2 = settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2, CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT, type=bool)

  2761.     except:

  2762.         host.exportLV2 = CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT

  2763. 

  2764.     try:

  2765.         host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, type=bool)

  2766.     except:

  2767.         host.manageUIs = CARLA_DEFAULT_MANAGE_UIS

  2768. 

  2769.     try:

  2770.         host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, type=int)

  2771.     except:

  2772.         host.maxParameters = CARLA_DEFAULT_MAX_PARAMETERS

  2773. 

  2774.     try:

  2775.         host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, type=bool)

  2776.     except:

  2777.         host.forceStereo = CARLA_DEFAULT_FORCE_STEREO

  2778. 

  2779.     try:

  2780.         host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, type=bool)

  2781.     except:

  2782.         host.preferPluginBridges = CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES

  2783. 

  2784.     try:

  2785.         host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, type=bool)

  2786.     except:

  2787.         host.preferUIBridges = CARLA_DEFAULT_PREFER_UI_BRIDGES

  2788. 

  2789.     try:

  2790.         host.preventBadBehaviour = settings.value(CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, type=bool)

  2791.     except:

  2792.         host.preventBadBehaviour = CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR

  2793. 

  2794.     try:

  2795.         host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, type=bool)

  2796.     except:

  2797.         host.showLogs = CARLA_DEFAULT_MAIN_SHOW_LOGS

  2798. 

  2799.     try:

  2800.         host.showPluginBridges = settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, type=bool)

  2801.     except:

  2802.         host.showPluginBridges = CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES

  2803. 

  2804.     try:

  2805.         host.showWineBridges = settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, type=bool)

  2806.     except:

  2807.         host.showWineBridges = CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES

  2808. 

  2809.     try:

  2810.         host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, type=int)

  2811.     except:

  2812.         host.uiBridgesTimeout = CARLA_DEFAULT_UI_BRIDGES_TIMEOUT

  2813. 

  2814.     try:

  2815.         host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, type=bool)

  2816.     except:

  2817.         host.uisAlwaysOnTop = CARLA_DEFAULT_UIS_ALWAYS_ON_TOP

  2818. 

  2819.     if host.isPlugin:

  2820.         return

  2821. 

  2822.     try:

  2823.         host.transportExtra = settings.value(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, "", type=str)

  2824.     except:

  2825.         host.transportExtra = ""

  2826. 

  2827.     # enums

  2828.     if host.audioDriverForced is None:

  2829.         try:

  2830.             host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, type=int)

  2831.         except:

  2832.             host.transportMode = CARLA_DEFAULT_TRANSPORT_MODE

  2833. 

  2834.     if not host.processModeForced:

  2835.         try:

  2836.             host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, type=int)

  2837.         except:

  2838.             host.processMode = CARLA_DEFAULT_PROCESS_MODE

  2839. 

  2840.     host.nextProcessMode = host.processMode

  2841. 

  2842.     # --------------------------------------------------------------------------------------------------------

  2843.     # fix things if needed

  2844. 

  2845.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  2846.         if LADISH_APP_NAME:

  2847.             print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  2848.             host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  2849. 

  2850.         else:

  2851.             host.transportMode = ENGINE_TRANSPORT_MODE_JACK

  2852. 

  2853.     if gCarla.nogui:

  2854.         host.showLogs = False

  2855. 

  2856.     # --------------------------------------------------------------------------------------------------------

  2857.     # run headless host now if nogui option enabled

  2858. 

  2859.     if gCarla.nogui:

  2860.         runHostWithoutUI(host)

  2861. 

  2862. # ------------------------------------------------------------------------------------------------------------

  2863. # Set host settings

  2864. 

  2865. def setHostSettings(host):

  2866.     # kdevelop likes this :)

  2867.     if False: host = CarlaHostNull()

  2868. 

  2869.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  2870.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  2871.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  2872.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  2873.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  2874.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  2875.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  2876. 

  2877.     if host.isPlugin or host.isRemote or host.is_engine_running():

  2878.         return

  2879. 

  2880.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  2881.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       host.transportExtra)

  2882.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  2883. 

  2884. # ------------------------------------------------------------------------------------------------------------

  2885. # Set Engine settings according to carla preferences. Returns selected audio driver.

  2886. 

  2887. def setEngineSettings(host):

  2888.     # kdevelop likes this :)

  2889.     if False: host = CarlaHostNull()

  2890. 

  2891.     # --------------------------------------------------------------------------------------------------------

  2892.     # do nothing if control

  2893. 

  2894.     if host.isControl:

  2895.         return "Control"

  2896. 

  2897.     # --------------------------------------------------------------------------------------------------------

  2898. 

  2899.     settings = QSettings("falkTX", "Carla2")

  2900. 

  2901.     # --------------------------------------------------------------------------------------------------------

  2902.     # main settings

  2903. 

  2904.     setHostSettings(host)

  2905. 

  2906.     # --------------------------------------------------------------------------------------------------------

  2907.     # plugin paths

  2908. 

  2909.     LADSPA_PATH = toList(settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH))

  2910.     DSSI_PATH   = toList(settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH))

  2911.     LV2_PATH    = toList(settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH))

  2912.     VST2_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST2,   CARLA_DEFAULT_VST2_PATH))

  2913.     VST3_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST3,   CARLA_DEFAULT_VST3_PATH))

  2914.     SF2_PATH    = toList(settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH))

  2915.     SFZ_PATH    = toList(settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH))

  2916. 

  2917.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  2918.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  2919.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  2920.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2,   splitter.join(VST2_PATH))

  2921.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST3,   splitter.join(VST3_PATH))

  2922.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  2923.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  2924. 

  2925.     # --------------------------------------------------------------------------------------------------------

  2926.     # don't continue if plugin

  2927. 

  2928.     if host.isPlugin:

  2929.         return "Plugin"

  2930. 

  2931.     # --------------------------------------------------------------------------------------------------------

  2932.     # wine settings

  2933. 

  2934.     optWineExecutable = settings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, type=str)

  2935.     optWineAutoPrefix = settings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, type=bool)

  2936.     optWineFallbackPrefix = settings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, type=str)

  2937.     optWineRtPrioEnabled = settings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, type=bool)

  2938.     optWineBaseRtPrio = settings.value(CARLA_KEY_WINE_BASE_RT_PRIO,   CARLA_DEFAULT_WINE_BASE_RT_PRIO, type=int)

  2939.     optWineServerRtPrio = settings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, type=int)

  2940. 

  2941.     host.set_engine_option(ENGINE_OPTION_WINE_EXECUTABLE, 0, optWineExecutable)

  2942.     host.set_engine_option(ENGINE_OPTION_WINE_AUTO_PREFIX, 1 if optWineAutoPrefix else 0, "")

  2943.     host.set_engine_option(ENGINE_OPTION_WINE_FALLBACK_PREFIX, 0, os.path.expanduser(optWineFallbackPrefix))

  2944.     host.set_engine_option(ENGINE_OPTION_WINE_RT_PRIO_ENABLED, 1 if optWineRtPrioEnabled else 0, "")

  2945.     host.set_engine_option(ENGINE_OPTION_WINE_BASE_RT_PRIO, optWineBaseRtPrio, "")

  2946.     host.set_engine_option(ENGINE_OPTION_WINE_SERVER_RT_PRIO, optWineServerRtPrio, "")

  2947. 

  2948.     # --------------------------------------------------------------------------------------------------------

  2949.     # driver and device settings

  2950. 

  2951.     # driver name

  2952.     if host.audioDriverForced is not None:

  2953.         audioDriver = host.audioDriverForced

  2954.     else:

  2955.         try:

  2956.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, type=str)

  2957.         except:

  2958.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  2959. 

  2960.     # driver options

  2961.     try:

  2962.         audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", type=str)

  2963.     except:

  2964.         audioDevice = ""

  2965. 

  2966.     try:

  2967.         audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, type=int)

  2968.     except:

  2969.         audioBufferSize = CARLA_DEFAULT_AUDIO_BUFFER_SIZE

  2970. 

  2971.     try:

  2972.         audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, type=int)

  2973.     except:

  2974.         audioSampleRate = CARLA_DEFAULT_AUDIO_SAMPLE_RATE

  2975. 

  2976.     try:

  2977.         audioTripleBuffer = settings.value("%s%s/TripleBuffer" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER, type=int)

  2978.     except:

  2979.         audioTripleBuffer = CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER

  2980. 

  2981.     # Only setup audio things if engine is not running

  2982.     if not host.is_engine_running():

  2983.         host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE, 0, audioDevice)

  2984. 

  2985.         if not audioDriver.startswith("JACK"):

  2986.             host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  2987.             host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  2988.             host.set_engine_option(ENGINE_OPTION_AUDIO_TRIPLE_BUFFER, audioTripleBuffer, "")

  2989. 

  2990.     # --------------------------------------------------------------------------------------------------------

  2991.     # fix things if needed

  2992. 

  2993.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  2994.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  2995.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, host.transportExtra)

  2996. 

  2997.     # --------------------------------------------------------------------------------------------------------

  2998.     # return selected driver name

  2999. 

  3000.     return audioDriver

  3001. 

  3002. # ------------------------------------------------------------------------------------------------------------

  3003. # Run Carla without showing UI

  3004. 

  3005. def runHostWithoutUI(host):

  3006.     # kdevelop likes this :)

  3007.     if False: host = CarlaHostNull()

  3008. 

  3009.     # --------------------------------------------------------------------------------------------------------

  3010.     # Some initial checks

  3011. 

  3012.     if not gCarla.nogui:

  3013.         return

  3014. 

  3015.     projectFile = getInitialProjectFile(QCoreApplication.instance(), True)

  3016. 

  3017.     if not projectFile:

  3018.         print("Carla no-gui mode can only be used together with a project file.")

  3019.         sys.exit(1)

  3020. 

  3021.     # --------------------------------------------------------------------------------------------------------

  3022.     # Additional imports

  3023. 

  3024.     from time import sleep

  3025. 

  3026.     # --------------------------------------------------------------------------------------------------------

  3027.     # Init engine

  3028. 

  3029.     audioDriver = setEngineSettings(host)

  3030.     if not host.engine_init(audioDriver, "Carla"):

  3031.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  3032.         sys.exit(1)

  3033. 

  3034.     if not host.load_project(projectFile):

  3035.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  3036.         host.engine_close()

  3037.         sys.exit(1)

  3038. 

  3039.     # --------------------------------------------------------------------------------------------------------

  3040.     # Idle

  3041. 

  3042.     print("Carla ready!")

  3043. 

  3044.     while host.is_engine_running() and not gCarla.term:

  3045.         host.engine_idle()

  3046.         sleep(0.0333) # 30 Hz

  3047. 

  3048.     # --------------------------------------------------------------------------------------------------------

  3049.     # Stop

  3050. 

  3051.     host.engine_close()

  3052.     sys.exit(0)

  3053. 

  3054. # ------------------------------------------------------------------------------------------------------------