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

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  1. #!/usr/bin/env python3

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

  3. 

  4. # Carla host code

  5. # Copyright (C) 2011-2016 Filipe Coelho <falktx@falktx.com>

  6. #

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

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

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

  10. # the License, or any later version.

  11. #

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

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

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

  15. # GNU General Public License for more details.

  16. #

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

  18. 

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

  20. # Imports (Config)

  21. 

  22. from carla_config import *

  23. 

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

  25. # Imports (Global)

  26. 

  27. if config_UseQt5:

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

  29.     from PyQt5.QtGui import QImage, QPalette

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

  31. else:

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

  33.     from PyQt4.QtGui import QImage, QPalette

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

  35. 

  36. # ------------------------------------------------------------------------------------------------------------

  37. # Imports (Custom)

  38. 

  39. import patchcanvas

  40. import ui_carla_host

  41. 

  42. from carla_app import *

  43. from carla_database import *

  44. from carla_settings import *

  45. from carla_utils import *

  46. from carla_widgets import *

  47. 

  48. from digitalpeakmeter import DigitalPeakMeter

  49. from pixmapkeyboard import PixmapKeyboardHArea

  50. 

  51. # ------------------------------------------------------------------------------------------------------------

  52. # Try Import OpenGL

  53. 

  54. try:

  55.     if config_UseQt5:

  56.         from PyQt5.QtOpenGL import QGLWidget

  57.     else:

  58.         from PyQt4.QtOpenGL import QGLWidget

  59.     hasGL = True

  60. except:

  61.     hasGL = False

  62. 

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

  64. # Session Management support

  65. 

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

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

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

  69. 

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

  71. # Carla Print class

  72. 

  73. class CarlaPrint:

  74.     def __init__(self, err):

  75.         self.err = err

  76. 

  77.     def flush(self):

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

  79. 

  80.     def write(self, string):

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

  82. 

  83. # ------------------------------------------------------------------------------------------------------------

  84. # Host Window

  85. 

  86. class HostWindow(QMainWindow):

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

  88.     # signals

  89.     SIGTERM = pyqtSignal()

  90.     SIGUSR1 = pyqtSignal()

  91. 

  92.     # --------------------------------------------------------------------------------------------------------

  93. 

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

  95.         QMainWindow.__init__(self, parent)

  96.         self.host = host

  97.         self.ui = ui_carla_host.Ui_CarlaHostW()

  98.         self.ui.setupUi(self)

  99.         gCarla.gui = self

  100. 

  101.         if False:

  102.             # kdevelop likes this :)

  103.             host = CarlaHostNull()

  104.             self.host = host

  105. 

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

  107. 

  108.         self.fParentOrSelf = parent or self

  109. 

  110.         # ----------------------------------------------------------------------------------------------------

  111.         # Internal stuff

  112. 

  113.         self.fIdleTimerFast = 0

  114.         self.fIdleTimerSlow = 0

  115. 

  116.         self.fLadspaRdfNeedsUpdate = True

  117.         self.fLadspaRdfList = []

  118. 

  119.         self.fPluginCount = 0

  120.         self.fPluginList  = []

  121. 

  122.         self.fProjectFilename  = ""

  123.         self.fIsProjectLoading = False

  124.         self.fCurrentlyRemovingAllPlugins = False

  125. 

  126.         self.fLastTransportBPM   = 0.0

  127.         self.fLastTransportFrame = 0

  128.         self.fLastTransportState = False

  129.         self.fSampleRate         = 0.0

  130. 

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

  132.         # 1 for close carla, 2 for load project

  133.         self.fCustomStopAction = 0

  134. 

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

  136.         self.fFirstEngineInit = True

  137. 

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

  139.         self.fSavedSettings = {}

  140. 

  141.         if host.isControl:

  142.             self.fClientName         = "Carla-Control"

  143.             self.fSessionManagerName = "Control"

  144.         elif host.isPlugin:

  145.             self.fClientName         = "Carla-Plugin"

  146.             self.fSessionManagerName = "Plugin"

  147.         elif LADISH_APP_NAME:

  148.             self.fClientName         = LADISH_APP_NAME

  149.             self.fSessionManagerName = "LADISH"

  150.         elif NSM_URL and host.nsmOK:

  151.             self.fClientName         = "Carla.tmp"

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

  153.         else:

  154.             self.fClientName         = CARLA_CLIENT_NAME or "Carla"

  155.             self.fSessionManagerName = ""

  156. 

  157.         # ----------------------------------------------------------------------------------------------------

  158.         # Internal stuff (patchbay)

  159. 

  160.         self.fExportImage = QImage()

  161. 

  162.         self.fPeaksCleared = True

  163. 

  164.         self.fExternalPatchbay = False

  165.         self.fSelectedPlugins  = []

  166. 

  167.         self.fCanvasWidth  = 0

  168.         self.fCanvasHeight = 0

  169.         self.fMiniCanvasUpdateTimeout = 0

  170. 

  171.         self.fWithCanvas = withCanvas

  172. 

  173.         # ----------------------------------------------------------------------------------------------------

  174.         # Set up GUI (engine stopped)

  175. 

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

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

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

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

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

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

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

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

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

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

  186. 

  187.             if self.host.isControl:

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

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

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

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

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

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

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

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

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

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

  198.             else:

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

  200. 

  201.         else:

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

  203. 

  204.             if WINDOWS:

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

  206. 

  207.         if not self.host.isControl:

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

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

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

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

  212. 

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

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

  215. 

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

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

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

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

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

  221. 

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

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

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

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

  226. 

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

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

  229. 

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

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

  232. 

  233.         if not withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  251.             self.ui.miniCanvasPreview.hide()

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

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

  254. 

  255.             if host.isControl:

  256.                 self.ui.dockWidget.hide()

  257. 

  258.         # ----------------------------------------------------------------------------------------------------

  259.         # Set up GUI (disk)

  260. 

  261.         self.fDirModel = QFileSystemModel(self)

  262.         self.fDirModel.setRootPath(HOME)

  263.         self.fDirModel.setNameFilters(gCarla.utils.get_supported_file_extensions().split(";"))

  264. 

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

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

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

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

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

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

  271. 

  272.         # ----------------------------------------------------------------------------------------------------

  273.         # Set up GUI (transport)

  274. 

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

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

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

  278. 

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

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

  281. 

  282.         if minLabelWidth < labelTimeWidth:

  283.             minLabelWidth = labelTimeWidth

  284.         if minLabelWidth < labelBBTWidth:

  285.             minLabelWidth = labelBBTWidth

  286. 

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

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

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

  290. 

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

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

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

  294. 

  295.         if host.isPlugin:

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

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

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

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

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

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

  302. 

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

  304. 

  305.         # ----------------------------------------------------------------------------------------------------

  306.         # Set up GUI (rack)

  307. 

  308.         self.ui.listWidget.setHost(self.host)

  309. 

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

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

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

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

  314. 

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

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

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

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

  319. 

  320.         self.ui.rack.setStyleSheet("""

  321.           QLabel#pad_left {

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

  323.             background-repeat: repeat-y;

  324.           }

  325.           QLabel#pad_right {

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

  327.             background-repeat: repeat-y;

  328.           }

  329.           CarlaRackList#CarlaRackList {

  330.             background-color: black;

  331.           }

  332.         """)

  333. 

  334.         # ----------------------------------------------------------------------------------------------------

  335.         # Set up GUI (patchbay)

  336. 

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

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

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

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

  341. 

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

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

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

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

  346. 

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

  348.         self.ui.keyboard   = self.ui.scrollArea.keyboard

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

  350. 

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

  352. 

  353.         self.ui.miniCanvasPreview.setRealParent(self)

  354. 

  355.         # ----------------------------------------------------------------------------------------------------

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

  357. 

  358.         if MACOS:

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

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

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

  362.             self.ui.act_help_about_juce.setMenuRole(QAction.ApplicationSpecificRole)

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

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

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

  366. 

  367.         # ----------------------------------------------------------------------------------------------------

  368.         # Set up GUI (secrets when running local)

  369. 

  370.         if CWD not in ("/Shared/Personal/FOSS/GIT/falkTX/Carla/source",

  371.                        "/home/falktx/Personal/GIT-mine/falkTX/Carla/source"):

  372.             self.ui.menu_Secrets.menuAction().setVisible(False)

  373. 

  374.         # ----------------------------------------------------------------------------------------------------

  375.         # Load Settings

  376. 

  377.         self.loadSettings(True)

  378. 

  379.         # ----------------------------------------------------------------------------------------------------

  380.         # Set-up Canvas

  381. 

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

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

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

  385. 

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

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

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

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

  390. 

  391.         self.setupCanvas()

  392. 

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

  394.         # Connect actions to functions

  395. 

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

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

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

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

  400. 

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

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

  403. 

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

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

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

  407. 

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

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

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

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

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

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

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

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

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

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

  418. 

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

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

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

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

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

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

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

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

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

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

  429. 

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

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

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

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

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

  435. 

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

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

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

  439. 

  440.         self.ui.act_secret_1.triggered.connect(self.slot_runSecret1)

  441.         self.ui.act_secret_2.triggered.connect(self.slot_runSecret2)

  442.         self.ui.act_secret_3.triggered.connect(self.slot_runSecret3)

  443.         self.ui.act_secret_4.triggered.connect(self.slot_runSecret4)

  444.         self.ui.act_secret_5.triggered.connect(self.slot_runSecret5)

  445. 

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

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

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

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

  450. 

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

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

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

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

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

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

  457. 

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

  459. 

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

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

  462. 

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

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

  465. 

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

  467. 

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

  469. 

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

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

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

  473. 

  474.         self.SIGUSR1.connect(self.slot_handleSIGUSR1)

  475.         self.SIGTERM.connect(self.slot_handleSIGTERM)

  476. 

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

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

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

  480. 

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

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

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

  484. 

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

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

  487. 

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

  489. 

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

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

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

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

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

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

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

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

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

  499. 

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

  501. 

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

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

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

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

  506. 

  507.         # ----------------------------------------------------------------------------------------------------

  508.         # Final setup

  509. 

  510.         self.ui.text_logs.clear()

  511.         self.setProperWindowTitle()

  512. 

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

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

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

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

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

  518. 

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

  520.         if self.host.isPlugin:

  521.             self.startTimers()

  522. 

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

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

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

  526. 

  527.         # Load initial project file if set

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

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

  530. 

  531.             if projectFile:

  532.                 self.loadProjectLater(projectFile)

  533. 

  534.         # For NSM we wait for the open message

  535.         if NSM_URL and host.nsmOK:

  536.             host.nsm_ready(-1)

  537.             return

  538. 

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

  540. 

  541.     # --------------------------------------------------------------------------------------------------------

  542.     # Setup

  543. 

  544.     def compactPlugin(self, pluginId):

  545.         if pluginId > self.fPluginCount:

  546.             return

  547. 

  548.         pitem = self.fPluginList[pluginId]

  549. 

  550.         if pitem is None:

  551.             return

  552. 

  553.         pitem.recreateWidget(True)

  554. 

  555.     def setLoadRDFsNeeded(self):

  556.         self.fLadspaRdfNeedsUpdate = True

  557. 

  558.     def setProperWindowTitle(self):

  559.         title = self.fClientName

  560. 

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

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

  563.         if self.fSessionManagerName:

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

  565. 

  566.         self.setWindowTitle(title)

  567. 

  568.     # --------------------------------------------------------------------------------------------------------

  569.     # Files

  570. 

  571.     def loadProjectNow(self):

  572.         if not self.fProjectFilename:

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

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

  575.             return

  576. 

  577.         self.projectLoadingStarted()

  578.         self.fIsProjectLoading = True

  579. 

  580.         self.host.load_project(self.fProjectFilename)

  581. 

  582.         self.fIsProjectLoading = False

  583.         self.projectLoadingFinished()

  584. 

  585.     def loadProjectLater(self, filename):

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

  587.         self.setProperWindowTitle()

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

  589. 

  590.     def saveProjectNow(self):

  591.         if not self.fProjectFilename:

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

  593. 

  594.         self.host.save_project(self.fProjectFilename)

  595. 

  596.     def projectLoadingStarted(self):

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

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

  599. 

  600.     def projectLoadingFinished(self):

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

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

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

  604. 

  605.     # --------------------------------------------------------------------------------------------------------

  606.     # Files (menu actions)

  607. 

  608.     @pyqtSlot()

  609.     def slot_fileNew(self):

  610.         self.slot_pluginRemoveAll()

  611.         self.fProjectFilename = ""

  612.         self.setProperWindowTitle()

  613. 

  614.     @pyqtSlot()

  615.     def slot_fileOpen(self):

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

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

  618. 

  619.         if config_UseQt5:

  620.             filename = filename[0]

  621.         if not filename:

  622.             return

  623. 

  624.         newFile = True

  625. 

  626.         if self.fPluginCount > 0:

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

  628.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  630. 

  631.         if newFile:

  632.             self.slot_pluginRemoveAll()

  633.             self.fProjectFilename = filename

  634.             self.setProperWindowTitle()

  635.             self.loadProjectNow()

  636.         else:

  637.             filenameOld = self.fProjectFilename

  638.             self.fProjectFilename = filename

  639.             self.loadProjectNow()

  640.             self.fProjectFilename = filenameOld

  641. 

  642.     @pyqtSlot()

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

  644.         if self.fProjectFilename and not saveAs:

  645.             return self.saveProjectNow()

  646. 

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

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

  649. 

  650.         if config_UseQt5:

  651.             filename = filename[0]

  652.         if not filename:

  653.             return

  654. 

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

  656.             filename += ".carxp"

  657. 

  658.         if self.fProjectFilename != filename:

  659.             self.fProjectFilename = filename

  660.             self.setProperWindowTitle()

  661. 

  662.         self.saveProjectNow()

  663. 

  664.     @pyqtSlot()

  665.     def slot_fileSaveAs(self):

  666.         self.slot_fileSave(True)

  667. 

  668.     @pyqtSlot()

  669.     def slot_loadProjectNow(self):

  670.         self.loadProjectNow()

  671. 

  672.     # --------------------------------------------------------------------------------------------------------

  673.     # Engine (menu actions)

  674. 

  675.     @pyqtSlot()

  676.     def slot_engineStart(self):

  677.         audioDriver = setEngineSettings(self.host)

  678.         firstInit   = self.fFirstEngineInit

  679. 

  680.         self.fFirstEngineInit = False

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

  682. 

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

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

  685.             return

  686. 

  687.         elif firstInit:

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

  689.             return

  690. 

  691.         audioError = self.host.get_last_error()

  692. 

  693.         if audioError:

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

  695.         else:

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

  697. 

  698.     @pyqtSlot()

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

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

  701. 

  702.         if self.fPluginCount == 0:

  703.             self.engineStopFinal()

  704.             return True

  705. 

  706.         if not forced:

  707.             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"

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

  709.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  710.             if ask != QMessageBox.Yes:

  711.                 return False

  712. 

  713.         return self.slot_engineStopTryAgain()

  714. 

  715.     @pyqtSlot()

  716.     def slot_engineStopTryAgain(self):

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

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

  719.             return False

  720. 

  721.         self.engineStopFinal()

  722.         return True

  723. 

  724.     def engineStopFinal(self):

  725.         self.killTimers()

  726.         self.removeAllPlugins()

  727. 

  728.         if self.host.is_engine_running():

  729.             self.host.remove_all_plugins()

  730. 

  731.             if self.host.engine_close():

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

  733.             else:

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

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

  736. 

  737.         if self.fCustomStopAction == 1:

  738.             self.close()

  739.         elif self.fCustomStopAction == 2:

  740.             self.slot_engineStart()

  741.             self.loadProjectNow()

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

  743. 

  744.         self.fCustomStopAction = 0

  745. 

  746.     # --------------------------------------------------------------------------------------------------------

  747.     # Engine (host callbacks)

  748. 

  749.     @pyqtSlot(int, int, str)

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

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

  752. 

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

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

  755. 

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

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

  758. 

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

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

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

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

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

  764.         else:

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

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

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

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

  769. 

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

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

  772. 

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

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

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

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

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

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

  779. 

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

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

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

  783. 

  784.         self.refreshTransport(True)

  785. 

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

  787.         self.ui.cb_transport_jack.setEnabled(driverName == "JACK")

  788. 

  789.         self.startTimers()

  790. 

  791.     @pyqtSlot()

  792.     def slot_handleEngineStoppedCallback(self):

  793.         patchcanvas.clear()

  794.         self.killTimers()

  795. 

  796.         # just in case

  797.         self.removeAllPlugins()

  798. 

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

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

  801. 

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

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

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

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

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

  807. 

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

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

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

  811. 

  812.     @pyqtSlot(float)

  813.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  814.         self.fSampleRate = newSampleRate

  815.         self.refreshTransport(True)

  816. 

  817.     # --------------------------------------------------------------------------------------------------------

  818.     # Plugins

  819. 

  820.     def removeAllPlugins(self):

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

  822.         patchcanvas.handleAllPluginsRemoved()

  823. 

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

  825.             pass

  826. 

  827.         self.clearSideStuff()

  828. 

  829.         for pitem in self.fPluginList:

  830.             if pitem is None:

  831.                 continue

  832. 

  833.             pitem.close()

  834.             del pitem

  835. 

  836.         self.fPluginCount = 0

  837.         self.fPluginList  = []

  838. 

  839.     # --------------------------------------------------------------------------------------------------------

  840.     # Plugins (menu actions)

  841. 

  842.     def showAddPluginDialog(self):

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

  844. 

  845.         if not dialog.exec_():

  846.             return

  847. 

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

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

  850.             return

  851. 

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

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

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

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

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

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

  858. 

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

  860. 

  861.     @pyqtSlot()

  862.     def showPluginActionsMenu(self):

  863.         menu = QMenu(self)

  864. 

  865.         if config_UseQt5:

  866.             menu.addSection("Plugins")

  867.         else:

  868.             # fake section

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

  870.             font = act.font()

  871.             font.setBold(True)

  872.             act.setFont(font)

  873.             act.setEnabled(False)

  874.             menu.addSeparator()

  875. 

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

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

  878. 

  879.         if config_UseQt5:

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

  881.         else:

  882.             # fake space

  883.             act  = menu.addAction(" ")

  884.             font = act.font()

  885.             font.setBold(True)

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

  887.             act.setEnabled(False)

  888. 

  889.             # fake section

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

  891.             font = act.font()

  892.             font.setBold(True)

  893.             act.setFont(font)

  894.             act.setEnabled(False)

  895.             menu.addSeparator()

  896. 

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

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

  899.         menu.addSeparator()

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

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

  902.         menu.addSeparator()

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

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

  905.         menu.addSeparator()

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

  907.         menu.addSeparator()

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

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

  910. 

  911.         menu.exec_(QCursor.pos())

  912. 

  913.     @pyqtSlot()

  914.     def slot_pluginAdd(self):

  915.         data = self.showAddPluginDialog()

  916. 

  917.         if data is None:

  918.             return

  919. 

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

  921. 

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

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

  924. 

  925.     @pyqtSlot()

  926.     def slot_pluginRemoveAll(self):

  927.         if self.fPluginCount == 0:

  928.             return

  929. 

  930.         # FIXME - this is not working

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

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

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

  934.             self.projectLoadingStarted()

  935. 

  936.             app = QApplication.instance()

  937.             app.processEvents()

  938. 

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

  940.                 self.host.remove_plugin(i)

  941.                 app.processEvents()

  942. 

  943.             self.projectLoadingFinished()

  944. 

  945.         self.fCurrentlyRemovingAllPlugins = True

  946.         ok = self.host.remove_all_plugins()

  947.         self.fCurrentlyRemovingAllPlugins = False

  948. 

  949.         if ok:

  950.             self.removeAllPlugins()

  951.         else:

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

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

  954. 

  955.         self.fCurrentlyRemovingAllPlugins = False

  956. 

  957.     # --------------------------------------------------------------------------------------------------------

  958.     # Plugins (macros)

  959. 

  960.     @pyqtSlot()

  961.     def slot_pluginsEnable(self):

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

  963.             return

  964. 

  965.         for pitem in self.fPluginList:

  966.             if pitem is None:

  967.                 break

  968. 

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

  970. 

  971.     @pyqtSlot()

  972.     def slot_pluginsDisable(self):

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

  974.             return

  975. 

  976.         for pitem in self.fPluginList:

  977.             if pitem is None:

  978.                 break

  979. 

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

  981. 

  982.     @pyqtSlot()

  983.     def slot_pluginsVolume100(self):

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

  985.             return

  986. 

  987.         for pitem in self.fPluginList:

  988.             if pitem is None:

  989.                 break

  990. 

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

  992. 

  993.     @pyqtSlot()

  994.     def slot_pluginsMute(self):

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

  996.             return

  997. 

  998.         for pitem in self.fPluginList:

  999.             if pitem is None:

  1000.                 break

  1001. 

  1002.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 0.0)

  1003. 

  1004.     @pyqtSlot()

  1005.     def slot_pluginsWet100(self):

  1006.         if not self.host.is_engine_running():

  1007.             return

  1008. 

  1009.         for pitem in self.fPluginList:

  1010.             if pitem is None:

  1011.                 break

  1012. 

  1013.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 1.0)

  1014. 

  1015.     @pyqtSlot()

  1016.     def slot_pluginsBypass(self):

  1017.         if not self.host.is_engine_running():

  1018.             return

  1019. 

  1020.         for pitem in self.fPluginList:

  1021.             if pitem is None:

  1022.                 break

  1023. 

  1024.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 0.0)

  1025. 

  1026.     @pyqtSlot()

  1027.     def slot_pluginsCenter(self):

  1028.         if not self.host.is_engine_running():

  1029.             return

  1030. 

  1031.         for pitem in self.fPluginList:

  1032.             if pitem is None:

  1033.                 break

  1034. 

  1035.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1036.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1037.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1038. 

  1039.     @pyqtSlot()

  1040.     def slot_pluginsCompact(self):

  1041.         for pitem in self.fPluginList:

  1042.             if pitem is None:

  1043.                 break

  1044.             pitem.compact()

  1045. 

  1046.     @pyqtSlot()

  1047.     def slot_pluginsExpand(self):

  1048.         for pitem in self.fPluginList:

  1049.             if pitem is None:

  1050.                 break

  1051.             pitem.expand()

  1052. 

  1053.     # --------------------------------------------------------------------------------------------------------

  1054.     # Plugins (host callbacks)

  1055. 

  1056.     @pyqtSlot(int, str)

  1057.     def slot_handlePluginAddedCallback(self, pluginId, pluginName):

  1058.         pitem = self.ui.listWidget.createItem(pluginId, self.fSavedSettings[CARLA_KEY_MAIN_USE_CUSTOM_SKINS])

  1059. 

  1060.         self.fPluginList.append(pitem)

  1061.         self.fPluginCount += 1

  1062. 

  1063.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1064. 

  1065.     @pyqtSlot(int)

  1066.     def slot_handlePluginRemovedCallback(self, pluginId):

  1067.         patchcanvas.handlePluginRemoved(pluginId)

  1068. 

  1069.         if pluginId in self.fSelectedPlugins:

  1070.             self.clearSideStuff()

  1071. 

  1072.         pitem = self.getPluginItem(pluginId)

  1073. 

  1074.         self.fPluginCount -= 1

  1075.         self.fPluginList.pop(pluginId)

  1076.         self.ui.listWidget.takeItem(pluginId)

  1077. 

  1078.         if pitem is not None:

  1079.             pitem.close()

  1080.             del pitem

  1081. 

  1082.         # push all plugins 1 slot back

  1083.         for i in range(pluginId, self.fPluginCount):

  1084.             pitem = self.fPluginList[i]

  1085.             pitem.setPluginId(i)

  1086. 

  1087.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1088. 

  1089.     # --------------------------------------------------------------------------------------------------------

  1090.     # Canvas

  1091. 

  1092.     def clearSideStuff(self):

  1093.         self.scene.clearSelection()

  1094. 

  1095.         self.fSelectedPlugins = []

  1096. 

  1097.         self.ui.keyboard.allNotesOff(False)

  1098.         self.ui.scrollArea.setEnabled(False)

  1099. 

  1100.         self.fPeaksCleared = True

  1101.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1102.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1103.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1104.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1105. 

  1106.     def setupCanvas(self):

  1107.         pOptions = patchcanvas.options_t()

  1108.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1109.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1110.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1111.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1112.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1113. 

  1114.         if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY]:

  1115.             pOptions.eyecandy      = patchcanvas.EYECANDY_FULL

  1116.         elif self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]:

  1117.             pOptions.eyecandy      = patchcanvas.EYECANDY_SMALL

  1118.         else:

  1119.             pOptions.eyecandy      = patchcanvas.EYECANDY_NONE

  1120. 

  1121.         pFeatures = patchcanvas.features_t()

  1122.         pFeatures.group_info   = False

  1123.         pFeatures.group_rename = False

  1124.         pFeatures.port_info    = False

  1125.         pFeatures.port_rename  = False

  1126.         pFeatures.handle_group_pos = True

  1127. 

  1128.         patchcanvas.setOptions(pOptions)

  1129.         patchcanvas.setFeatures(pFeatures)

  1130.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1131. 

  1132.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1133. 

  1134.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1135.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1136.             self.fCanvasHeight = int(tryCanvasSize[1])

  1137.         else:

  1138.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1139.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1140. 

  1141.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1142.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1143.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1144. 

  1145.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1146.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1147. 

  1148.     def updateCanvasInitialPos(self):

  1149.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1150.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1151.         patchcanvas.setInitialPos(x, y)

  1152. 

  1153.     def updateMiniCanvasLater(self):

  1154.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1155. 

  1156.     # --------------------------------------------------------------------------------------------------------

  1157.     # Canvas (menu actions)

  1158. 

  1159.     @pyqtSlot()

  1160.     def slot_canvasShowInternal(self):

  1161.         self.fExternalPatchbay = False

  1162.         self.ui.act_canvas_show_internal.blockSignals(True)

  1163.         self.ui.act_canvas_show_external.blockSignals(True)

  1164.         self.ui.act_canvas_show_internal.setChecked(True)

  1165.         self.ui.act_canvas_show_external.setChecked(False)

  1166.         self.ui.act_canvas_show_internal.blockSignals(False)

  1167.         self.ui.act_canvas_show_external.blockSignals(False)

  1168.         self.slot_canvasRefresh()

  1169. 

  1170.     @pyqtSlot()

  1171.     def slot_canvasShowExternal(self):

  1172.         self.fExternalPatchbay = True

  1173.         self.ui.act_canvas_show_internal.blockSignals(True)

  1174.         self.ui.act_canvas_show_external.blockSignals(True)

  1175.         self.ui.act_canvas_show_internal.setChecked(False)

  1176.         self.ui.act_canvas_show_external.setChecked(True)

  1177.         self.ui.act_canvas_show_internal.blockSignals(False)

  1178.         self.ui.act_canvas_show_external.blockSignals(False)

  1179.         self.slot_canvasRefresh()

  1180. 

  1181.     @pyqtSlot()

  1182.     def slot_canvasArrange(self):

  1183.         patchcanvas.arrange()

  1184. 

  1185.     @pyqtSlot()

  1186.     def slot_canvasRefresh(self):

  1187.         patchcanvas.clear()

  1188. 

  1189.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and (self.host.isControl or self.host.isPlugin):

  1190.             return

  1191. 

  1192.         if self.host.is_engine_running():

  1193.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1194. 

  1195.         self.updateMiniCanvasLater()

  1196. 

  1197.     @pyqtSlot()

  1198.     def slot_canvasZoomFit(self):

  1199.         self.scene.zoom_fit()

  1200. 

  1201.     @pyqtSlot()

  1202.     def slot_canvasZoomIn(self):

  1203.         self.scene.zoom_in()

  1204. 

  1205.     @pyqtSlot()

  1206.     def slot_canvasZoomOut(self):

  1207.         self.scene.zoom_out()

  1208. 

  1209.     @pyqtSlot()

  1210.     def slot_canvasZoomReset(self):

  1211.         self.scene.zoom_reset()

  1212. 

  1213.     @pyqtSlot()

  1214.     def slot_canvasSaveImage(self):

  1215.         newPath = QFileDialog.getSaveFileName(self, self.tr("Save Image"), filter=self.tr("PNG Image (*.png);;JPEG Image (*.jpg)"))

  1216. 

  1217.         if config_UseQt5:

  1218.             newPath = newPath[0]

  1219.         if not newPath:

  1220.             return

  1221. 

  1222.         self.scene.clearSelection()

  1223. 

  1224.         if newPath.lower().endswith((".jpg", ".jpeg")):

  1225.             imgFormat = "JPG"

  1226.         elif newPath.lower().endswith((".png",)):

  1227.             imgFormat = "PNG"

  1228.         else:

  1229.             # File-dialog may not auto-add the extension

  1230.             imgFormat = "PNG"

  1231.             newPath  += ".png"

  1232. 

  1233.         self.fExportImage = QImage(self.scene.sceneRect().width(), self.scene.sceneRect().height(), QImage.Format_RGB32)

  1234.         painter = QPainter(self.fExportImage)

  1235.         painter.save()

  1236.         painter.setRenderHint(QPainter.Antialiasing) # TODO - set true, cleanup this

  1237.         painter.setRenderHint(QPainter.TextAntialiasing)

  1238.         self.scene.render(painter)

  1239.         self.fExportImage.save(newPath, imgFormat, 100)

  1240.         painter.restore()

  1241. 

  1242.     # --------------------------------------------------------------------------------------------------------

  1243.     # Canvas (canvas callbacks)

  1244. 

  1245.     @pyqtSlot(int, int, QPointF)

  1246.     def slot_canvasItemMoved(self, group_id, split_mode, pos):

  1247.         self.updateMiniCanvasLater()

  1248. 

  1249.     @pyqtSlot(float)

  1250.     def slot_canvasScaleChanged(self, scale):

  1251.         self.ui.miniCanvasPreview.setViewScale(scale)

  1252. 

  1253.     @pyqtSlot(list)

  1254.     def slot_canvasPluginSelected(self, pluginList):

  1255.         self.ui.keyboard.allNotesOff(False)

  1256.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1257.         self.fSelectedPlugins = pluginList

  1258. 

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

  1260.     # Canvas (host callbacks)

  1261. 

  1262.     @pyqtSlot(int, int, int, str)

  1263.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1264.         pcSplit = patchcanvas.SPLIT_UNDEF

  1265.         pcIcon  = patchcanvas.ICON_APPLICATION

  1266. 

  1267.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1268.             pcIcon = patchcanvas.ICON_PLUGIN

  1269.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1270.             pcIcon = patchcanvas.ICON_HARDWARE

  1271.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1272.             pass

  1273.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1274.             pcIcon = patchcanvas.ICON_DISTRHO

  1275.         elif clientIcon == PATCHBAY_ICON_FILE:

  1276.             pcIcon = patchcanvas.ICON_FILE

  1277. 

  1278.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1279. 

  1280.         self.updateMiniCanvasLater()

  1281. 

  1282.         if pluginId < 0:

  1283.             return

  1284.         if pluginId >= self.fPluginCount:

  1285.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1286.             return

  1287. 

  1288.         patchcanvas.setGroupAsPlugin(clientId, pluginId, bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI))

  1289. 

  1290.     @pyqtSlot(int)

  1291.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1292.         patchcanvas.removeGroup(clientId)

  1293.         self.updateMiniCanvasLater()

  1294. 

  1295.     @pyqtSlot(int, str)

  1296.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1297.         patchcanvas.renameGroup(clientId, newClientName)

  1298.         self.updateMiniCanvasLater()

  1299. 

  1300.     @pyqtSlot(int, int, int)

  1301.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1302.         pcIcon = patchcanvas.ICON_APPLICATION

  1303. 

  1304.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1305.             pcIcon = patchcanvas.ICON_PLUGIN

  1306.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1307.             pcIcon = patchcanvas.ICON_HARDWARE

  1308.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1309.             pass

  1310.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1311.             pcIcon = patchcanvas.ICON_DISTRHO

  1312.         elif clientIcon == PATCHBAY_ICON_FILE:

  1313.             pcIcon = patchcanvas.ICON_FILE

  1314. 

  1315.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1316.         self.updateMiniCanvasLater()

  1317. 

  1318.         if pluginId < 0:

  1319.             return

  1320.         if pluginId >= self.fPluginCount:

  1321.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1322.             return

  1323. 

  1324.         patchcanvas.setGroupAsPlugin(clientId, pluginId, bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI))

  1325. 

  1326.     @pyqtSlot(int, int, int, str)

  1327.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portName):

  1328.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1329.             portMode = patchcanvas.PORT_MODE_INPUT

  1330.         else:

  1331.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1332. 

  1333.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1334.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1335.             isAlternate = False

  1336.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1337.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1338.             isAlternate = True

  1339.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1340.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1341.             isAlternate = False

  1342.         else:

  1343.             portType    = patchcanvas.PORT_TYPE_NULL

  1344.             isAlternate = False

  1345. 

  1346.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1347.         self.updateMiniCanvasLater()

  1348. 

  1349.     @pyqtSlot(int, int)

  1350.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  1351.         patchcanvas.removePort(groupId, portId)

  1352.         self.updateMiniCanvasLater()

  1353. 

  1354.     @pyqtSlot(int, int, str)

  1355.     def slot_handlePatchbayPortRenamedCallback(self, groupId, portId, newPortName):

  1356.         patchcanvas.renamePort(groupId, portId, newPortName)

  1357.         self.updateMiniCanvasLater()

  1358. 

  1359.     @pyqtSlot(int, int, int, int, int)

  1360.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1361.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1362.         self.updateMiniCanvasLater()

  1363. 

  1364.     @pyqtSlot(int, int, int)

  1365.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1366.         patchcanvas.disconnectPorts(connectionId)

  1367.         self.updateMiniCanvasLater()

  1368. 

  1369.     # --------------------------------------------------------------------------------------------------------

  1370.     # Settings

  1371. 

  1372.     def saveSettings(self):

  1373.         settings = QSettings()

  1374. 

  1375.         settings.setValue("Geometry", self.saveGeometry())

  1376. 

  1377.         #settings.setValue("SplitterState", self.ui.splitter.saveState())

  1378. 

  1379.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  1380. 

  1381.         settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  1382. 

  1383.         diskFolders = []

  1384. 

  1385.         for i in range(self.ui.cb_disk.count()):

  1386.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1387. 

  1388.         settings.setValue("DiskFolders", diskFolders)

  1389. 

  1390.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1391.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1392.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1393.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1394. 

  1395.     def loadSettings(self, firstTime):

  1396.         settings = QSettings()

  1397. 

  1398.         if firstTime:

  1399.             self.restoreGeometry(settings.value("Geometry", b""))

  1400. 

  1401.             showToolbar = settings.value("ShowToolbar", True, type=bool)

  1402.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1403.             self.ui.toolBar.setEnabled(showToolbar)

  1404.             self.ui.toolBar.setVisible(showToolbar)

  1405. 

  1406.             #if settings.contains("SplitterState"):

  1407.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  1408.             #else:

  1409.                 #self.ui.splitter.setSizes([210, 99999])

  1410. 

  1411.             showSidePanel = settings.value("ShowSidePanel", True, type=bool)

  1412.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  1413.             self.ui.dockWidget.setEnabled(showSidePanel)

  1414.             self.ui.dockWidget.setVisible(showSidePanel)

  1415. 

  1416.             diskFolders = toList(settings.value("DiskFolders", [HOME]))

  1417. 

  1418.             self.ui.cb_disk.setItemData(0, HOME)

  1419. 

  1420.             for i in range(len(diskFolders)):

  1421.                 if i == 0: continue

  1422.                 folder = diskFolders[i]

  1423.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1424. 

  1425.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, type=bool):

  1426.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1427. 

  1428.             showMeters = settings.value("ShowMeters", False, type=bool)

  1429.             self.ui.act_settings_show_meters.setChecked(showMeters)

  1430.             self.ui.peak_in.setVisible(showMeters)

  1431.             self.ui.peak_out.setVisible(showMeters)

  1432. 

  1433.             showKeyboard = settings.value("ShowKeyboard", not(MACOS or WINDOWS), type=bool)

  1434.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  1435.             self.ui.scrollArea.setVisible(showKeyboard)

  1436. 

  1437.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  1438. 

  1439.         # TODO - complete this

  1440. 

  1441.         self.fSavedSettings = {

  1442.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      type=str),

  1443.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    type=int),

  1444.             CARLA_KEY_MAIN_USE_CUSTOM_SKINS:    settings.value(CARLA_KEY_MAIN_USE_CUSTOM_SKINS,    CARLA_DEFAULT_MAIN_USE_CUSTOM_SKINS,    type=bool),

  1445.             CARLA_KEY_MAIN_EXPERIMENTAL:        settings.value(CARLA_KEY_MAIN_EXPERIMENTAL,        CARLA_DEFAULT_MAIN_EXPERIMENTAL,        type=bool),

  1446.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             type=str),

  1447.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              type=str),

  1448.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  type=bool),

  1449.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, type=bool),

  1450.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  type=bool),

  1451.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         type=bool),

  1452.             CARLA_KEY_CANVAS_FANCY_EYE_CANDY:   settings.value(CARLA_KEY_CANVAS_FANCY_EYE_CANDY,   CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY,   type=bool),

  1453.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        type=bool),

  1454.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      type=int),

  1455.             CARLA_KEY_CANVAS_HQ_ANTIALIASING :  settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   type=bool),

  1456.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   type=bool) and

  1457.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", type=str).lower() == "black")

  1458.         }

  1459. 

  1460.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY] else 0

  1461. 

  1462.         setEngineSettings(self.host)

  1463.         self.restartTimersIfNeeded()

  1464. 

  1465.     # --------------------------------------------------------------------------------------------------------

  1466.     # Settings (helpers)

  1467. 

  1468.     @pyqtSlot()

  1469.     def slot_restoreCanvasScrollbarValues(self):

  1470.         settings = QSettings()

  1471.         self.ui.graphicsView.horizontalScrollBar().setValue(settings.value("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().maximum()/2, type=int))

  1472.         self.ui.graphicsView.verticalScrollBar().setValue(settings.value("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().maximum()/2, type=int))

  1473. 

  1474.     # --------------------------------------------------------------------------------------------------------

  1475.     # Settings (menu actions)

  1476. 

  1477.     @pyqtSlot(bool)

  1478.     def slot_showSidePanel(self, yesNo):

  1479.         self.ui.dockWidget.setEnabled(yesNo)

  1480.         self.ui.dockWidget.setVisible(yesNo)

  1481. 

  1482.     @pyqtSlot(bool)

  1483.     def slot_showToolbar(self, yesNo):

  1484.         self.ui.toolBar.setEnabled(yesNo)

  1485.         self.ui.toolBar.setVisible(yesNo)

  1486. 

  1487.     @pyqtSlot(bool)

  1488.     def slot_showCanvasMeters(self, yesNo):

  1489.         self.ui.peak_in.setVisible(yesNo)

  1490.         self.ui.peak_out.setVisible(yesNo)

  1491.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1492. 

  1493.     @pyqtSlot(bool)

  1494.     def slot_showCanvasKeyboard(self, yesNo):

  1495.         self.ui.scrollArea.setVisible(yesNo)

  1496.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1497. 

  1498.     @pyqtSlot()

  1499.     def slot_configureCarla(self):

  1500.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  1501.         if not dialog.exec_():

  1502.             return

  1503. 

  1504.         self.loadSettings(False)

  1505. 

  1506.         patchcanvas.clear()

  1507. 

  1508.         self.setupCanvas()

  1509.         self.slot_miniCanvasCheckAll()

  1510. 

  1511.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1512.             pass

  1513.         elif self.host.is_engine_running():

  1514.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1515. 

  1516.         for pitem in self.fPluginList:

  1517.             if pitem is None:

  1518.                 break

  1519.             pitem.setUsingSkins(self.fSavedSettings[CARLA_KEY_MAIN_USE_CUSTOM_SKINS])

  1520.             pitem.recreateWidget()

  1521. 

  1522.     # --------------------------------------------------------------------------------------------------------

  1523.     # About (menu actions)

  1524. 

  1525.     @pyqtSlot()

  1526.     def slot_aboutCarla(self):

  1527.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  1528. 

  1529.     @pyqtSlot()

  1530.     def slot_aboutJuce(self):

  1531.         JuceAboutW(self.fParentOrSelf).exec_()

  1532. 

  1533.     @pyqtSlot()

  1534.     def slot_aboutQt(self):

  1535.         QApplication.instance().aboutQt()

  1536. 

  1537.     # --------------------------------------------------------------------------------------------------------

  1538.     # Secret (menu actions)

  1539. 

  1540.     @pyqtSlot()

  1541.     def slot_runSecret1(self):

  1542.         print("secret 1")

  1543.         fname = "/usr/bin/audacious -p"

  1544.         self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, fname, "", "", 0, None, 0)

  1545. 

  1546.     @pyqtSlot()

  1547.     def slot_runSecret2(self):

  1548.         print("secret 2")

  1549.         fname  = "/usr/bin/pulseaudio"

  1550.         fname += " --high-priority --realtime --exit-idle-time=-1 --file=/usr/share/cadence/pulse2jack/play+rec.pa -n"

  1551.         self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, fname, "", "", 0, None, 0)

  1552. 

  1553.     @pyqtSlot()

  1554.     def slot_runSecret3(self):

  1555.         print("secret 3")

  1556.         fname = "/usr/bin/lmms"

  1557.         self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, fname, "", "", 0, None, 0)

  1558. 

  1559.     @pyqtSlot()

  1560.     def slot_runSecret4(self):

  1561.         print("secret 4")

  1562.         ret = QInputDialog.getText(self, "Command", "command to run")

  1563.         if ret[1] and len(ret[0]) > 1:

  1564.             fname = ret[0]

  1565.             if not self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, fname, "", "", 0, None, 0):

  1566.                 CustomMessageBox(self, QMessageBox.Critical,

  1567.                                  self.tr("Error"), self.tr("Failed to load plugin"),

  1568.                                  self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1569. 

  1570.     @pyqtSlot()

  1571.     def slot_runSecret5(self):

  1572.         print("secret 5")

  1573. 

  1574.     # --------------------------------------------------------------------------------------------------------

  1575.     # Disk (menu actions)

  1576. 

  1577.     @pyqtSlot(int)

  1578.     def slot_diskFolderChanged(self, index):

  1579.         if index < 0:

  1580.             return

  1581.         elif index == 0:

  1582.             filename = HOME

  1583.             self.ui.b_disk_remove.setEnabled(False)

  1584.         else:

  1585.             filename = self.ui.cb_disk.itemData(index)

  1586.             self.ui.b_disk_remove.setEnabled(True)

  1587. 

  1588.         self.fDirModel.setRootPath(filename)

  1589.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  1590. 

  1591.     @pyqtSlot()

  1592.     def slot_diskFolderAdd(self):

  1593.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  1594. 

  1595.         if newPath:

  1596.             if newPath[-1] == os.sep:

  1597.                 newPath = newPath[:-1]

  1598.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  1599.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

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

  1601. 

  1602.     @pyqtSlot()

  1603.     def slot_diskFolderRemove(self):

  1604.         index = self.ui.cb_disk.currentIndex()

  1605. 

  1606.         if index <= 0:

  1607.             return

  1608. 

  1609.         self.ui.cb_disk.removeItem(index)

  1610. 

  1611.         if self.ui.cb_disk.currentIndex() == 0:

  1612.             self.ui.b_disk_remove.setEnabled(False)

  1613. 

  1614.     @pyqtSlot(QModelIndex)

  1615.     def slot_fileTreeDoubleClicked(self, modelIndex):

  1616.         filename = self.fDirModel.filePath(modelIndex)

  1617. 

  1618.         if not self.host.load_file(filename):

  1619.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  1620.                              self.tr("Failed to load file"),

  1621.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1622. 

  1623.     # --------------------------------------------------------------------------------------------------------

  1624.     # Transport

  1625. 

  1626.     def refreshTransport(self, forced = False):

  1627.         if not self.isVisible():

  1628.             return

  1629.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  1630.             return

  1631. 

  1632.         timeInfo = self.host.get_transport_info()

  1633.         playing  = timeInfo['playing']

  1634.         frame    = timeInfo['frame']

  1635.         bpm      = timeInfo['bpm']

  1636. 

  1637.         if playing != self.fLastTransportState or forced:

  1638.             if playing:

  1639.                 icon = getIcon("media-playback-pause")

  1640.                 self.ui.b_transport_play.setChecked(True)

  1641.                 self.ui.b_transport_play.setIcon(icon)

  1642.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  1643.             else:

  1644.                 icon = getIcon("media-playback-start")

  1645.                 self.ui.b_transport_play.setChecked(False)

  1646.                 self.ui.b_transport_play.setIcon(icon)

  1647.                 #self.ui.b_play.setText(self.tr("&Play"))

  1648. 

  1649.             self.fLastTransportState = playing

  1650. 

  1651.         if frame != self.fLastTransportFrame or forced:

  1652.             self.fLastTransportFrame = frame

  1653. 

  1654.             time = frame / self.fSampleRate

  1655.             secs =  time % 60

  1656.             mins = (time / 60) % 60

  1657.             hrs  = (time / 3600) % 60

  1658.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  1659. 

  1660.             frame1 =  frame % 1000

  1661.             frame2 = (frame / 1000) % 1000

  1662.             frame3 = (frame / 1000000) % 1000

  1663.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  1664. 

  1665.             bar  = timeInfo['bar']

  1666.             beat = timeInfo['beat']

  1667.             tick = timeInfo['tick']

  1668.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  1669. 

  1670.         if bpm != self.fLastTransportBPM or forced:

  1671.             self.fLastTransportBPM = bpm

  1672. 

  1673.             if bpm > 0.0:

  1674.                 self.ui.dsb_transport_bpm.setValue(bpm)

  1675.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  1676.             else:

  1677.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  1678. 

  1679.     # --------------------------------------------------------------------------------------------------------

  1680.     # Transport (menu actions)

  1681. 

  1682.     @pyqtSlot(bool)

  1683.     def slot_transportPlayPause(self, toggled):

  1684.         if self.host.isPlugin or not self.host.is_engine_running():

  1685.             return

  1686. 

  1687.         if toggled:

  1688.             self.host.transport_play()

  1689.         else:

  1690.             self.host.transport_pause()

  1691. 

  1692.         self.refreshTransport()

  1693. 

  1694.     @pyqtSlot()

  1695.     def slot_transportStop(self):

  1696.         if self.host.isPlugin or not self.host.is_engine_running():

  1697.             return

  1698. 

  1699.         self.host.transport_pause()

  1700.         self.host.transport_relocate(0)

  1701. 

  1702.         self.refreshTransport()

  1703. 

  1704.     @pyqtSlot()

  1705.     def slot_transportBackwards(self):

  1706.         if self.host.isPlugin or not self.host.is_engine_running():

  1707.             return

  1708. 

  1709.         newFrame = self.host.get_current_transport_frame() - 100000

  1710. 

  1711.         if newFrame < 0:

  1712.             newFrame = 0

  1713. 

  1714.         self.host.transport_relocate(newFrame)

  1715. 

  1716.     @pyqtSlot()

  1717.     def slot_transportForwards(self):

  1718.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  1719.             return

  1720. 

  1721.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  1722.         self.host.transport_relocate(newFrame)

  1723. 

  1724.     @pyqtSlot(bool)

  1725.     def slot_transportJackEnabled(self, clicked):

  1726.         if not self.host.is_engine_running():

  1727.             return

  1728.         mode  = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  1729.         extra = ":link:" if self.ui.cb_transport_link.isChecked() else ""

  1730.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, extra)

  1731. 

  1732.     @pyqtSlot(bool)

  1733.     def slot_transportLinkEnabled(self, clicked):

  1734.         if not self.host.is_engine_running():

  1735.             return

  1736.         mode  = ENGINE_TRANSPORT_MODE_JACK if self.ui.cb_transport_jack.isChecked() else ENGINE_TRANSPORT_MODE_INTERNAL

  1737.         extra = ":link:" if clicked else ""

  1738.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, extra)

  1739. 

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

  1741.     # Canvas scrollbars

  1742. 

  1743.     @pyqtSlot(int)

  1744.     def slot_horizontalScrollBarChanged(self, value):

  1745.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  1746.         if maximum == 0:

  1747.             xp = 0

  1748.         else:

  1749.             xp = float(value) / maximum

  1750.         self.ui.miniCanvasPreview.setViewPosX(xp)

  1751.         self.updateCanvasInitialPos()

  1752. 

  1753.     @pyqtSlot(int)

  1754.     def slot_verticalScrollBarChanged(self, value):

  1755.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  1756.         if maximum == 0:

  1757.             yp = 0

  1758.         else:

  1759.             yp = float(value) / maximum

  1760.         self.ui.miniCanvasPreview.setViewPosY(yp)

  1761.         self.updateCanvasInitialPos()

  1762. 

  1763.     # --------------------------------------------------------------------------------------------------------

  1764.     # Canvas keyboard

  1765. 

  1766.     @pyqtSlot(int)

  1767.     def slot_noteOn(self, note):

  1768.         for pluginId in self.fSelectedPlugins:

  1769.             self.host.send_midi_note(pluginId, 0, note, 100)

  1770. 

  1771.             pedit = self.getPluginEditDialog(pluginId)

  1772.             pedit.noteOn(0, note, 100)

  1773. 

  1774.     @pyqtSlot(int)

  1775.     def slot_noteOff(self, note):

  1776.         for pluginId in self.fSelectedPlugins:

  1777.             self.host.send_midi_note(pluginId, 0, note, 0)

  1778. 

  1779.             pedit = self.getPluginEditDialog(pluginId)

  1780.             pedit.noteOff(0, note)

  1781. 

  1782.     # --------------------------------------------------------------------------------------------------------

  1783.     # Canvas keyboard (host callbacks)

  1784. 

  1785.     @pyqtSlot(int, int, int, int)

  1786.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  1787.         if pluginId in self.fSelectedPlugins:

  1788.             self.ui.keyboard.sendNoteOn(note, False)

  1789. 

  1790.     @pyqtSlot(int, int, int)

  1791.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  1792.         if pluginId in self.fSelectedPlugins:

  1793.             self.ui.keyboard.sendNoteOff(note, False)

  1794. 

  1795.     # --------------------------------------------------------------------------------------------------------

  1796. 

  1797.     @pyqtSlot(int)

  1798.     def slot_handleUpdateCallback(self, pluginId):

  1799.         pitem = self.getPluginItem(pluginId)

  1800. 

  1801.         if pitem is None:

  1802.             return

  1803. 

  1804.         wasCompacted = pitem.isCompacted()

  1805.         isCompacted  = wasCompacted

  1806. 

  1807.         for i in range(self.host.get_custom_data_count(pluginId)):

  1808.             cdata = self.host.get_custom_data(pluginId, i)

  1809. 

  1810.             if cdata['type'] == CUSTOM_DATA_TYPE_PROPERTY and cdata['key'] == "CarlaSkinIsCompacted":

  1811.                 isCompacted = bool(cdata['value'] == "true")

  1812.                 break

  1813.         else:

  1814.             return

  1815. 

  1816.         if wasCompacted == isCompacted:

  1817.             return

  1818. 

  1819.         pitem.recreateWidget(True)

  1820. 

  1821.     # --------------------------------------------------------------------------------------------------------

  1822.     # MiniCanvas stuff

  1823. 

  1824.     @pyqtSlot()

  1825.     def slot_miniCanvasCheckAll(self):

  1826.         self.slot_miniCanvasCheckSize()

  1827.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  1828.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  1829. 

  1830.     @pyqtSlot()

  1831.     def slot_miniCanvasCheckSize(self):

  1832.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  1833.             return

  1834. 

  1835.         currentIndex = self.ui.tabWidget.currentIndex()

  1836. 

  1837.         if currentIndex == 1:

  1838.             width  = self.ui.graphicsView.width()

  1839.             height = self.ui.graphicsView.height()

  1840.         else:

  1841.             self.ui.tabWidget.blockSignals(True)

  1842.             self.ui.tabWidget.setCurrentIndex(1)

  1843.             width  = self.ui.graphicsView.width()

  1844.             height = self.ui.graphicsView.height()

  1845.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  1846.             self.ui.tabWidget.blockSignals(False)

  1847. 

  1848.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  1849. 

  1850.     @pyqtSlot(float, float)

  1851.     def slot_miniCanvasMoved(self, xp, yp):

  1852.         hsb = self.ui.graphicsView.horizontalScrollBar()

  1853.         vsb = self.ui.graphicsView.verticalScrollBar()

  1854.         hsb.setValue(xp * hsb.maximum())

  1855.         vsb.setValue(yp * vsb.maximum())

  1856.         self.updateCanvasInitialPos()

  1857. 

  1858.     # --------------------------------------------------------------------------------------------------------

  1859.     # Timers

  1860. 

  1861.     def startTimers(self):

  1862.         if self.fIdleTimerFast == 0:

  1863.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  1864. 

  1865.         if self.fIdleTimerSlow == 0:

  1866.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  1867. 

  1868.     def restartTimersIfNeeded(self):

  1869.         if self.fIdleTimerFast != 0:

  1870.             self.killTimer(self.fIdleTimerFast)

  1871.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  1872. 

  1873.         if self.fIdleTimerSlow != 0:

  1874.             self.killTimer(self.fIdleTimerSlow)

  1875.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  1876. 

  1877.     def killTimers(self):

  1878.         if self.fIdleTimerFast != 0:

  1879.             self.killTimer(self.fIdleTimerFast)

  1880.             self.fIdleTimerFast = 0

  1881. 

  1882.         if self.fIdleTimerSlow != 0:

  1883.             self.killTimer(self.fIdleTimerSlow)

  1884.             self.fIdleTimerSlow = 0

  1885. 

  1886.     # --------------------------------------------------------------------------------------------------------

  1887.     # Misc

  1888. 

  1889.     @pyqtSlot(int)

  1890.     def slot_tabChanged(self, index):

  1891.         if index != 1:

  1892.             return

  1893. 

  1894.         self.ui.graphicsView.setFocus()

  1895. 

  1896.     @pyqtSlot(int)

  1897.     def slot_handleReloadAllCallback(self, pluginId):

  1898.         if pluginId >= self.fPluginCount:

  1899.             return

  1900. 

  1901.         pitem = self.fPluginList[pluginId]

  1902.         if pitem is None:

  1903.             return

  1904. 

  1905.         pitem.recreateWidget()

  1906. 

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

  1908. 

  1909.     @pyqtSlot(int, int, str)

  1910.     def slot_handleNSMCallback(self, value1, value2, valueStr):

  1911.         # Error

  1912.         if value1 == 0:

  1913.             pass

  1914. 

  1915.         # Reply

  1916.         elif value1 == 1:

  1917.             self.fFirstEngineInit    = False

  1918.             self.fSessionManagerName = valueStr

  1919.             self.setProperWindowTitle()

  1920. 

  1921.         # Open

  1922.         elif value1 == 2:

  1923.             self.fClientName      = os.path.basename(valueStr)

  1924.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  1925.             self.setProperWindowTitle()

  1926. 

  1927.             self.fCustomStopAction = 2

  1928.             self.slot_engineStop(True)

  1929.             return

  1930. 

  1931.         # Save

  1932.         elif value1 == 3:

  1933.             self.saveProjectNow()

  1934. 

  1935.         # Session is Loaded

  1936.         elif value1 == 4:

  1937.             pass

  1938. 

  1939.         # Show Optional Gui

  1940.         elif value1 == 5:

  1941.             self.show()

  1942. 

  1943.         # Hide Optional Gui

  1944.         elif value1 == 6:

  1945.             self.hide()

  1946. 

  1947.         self.host.nsm_ready(value1)

  1948. 

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

  1950. 

  1951.     def fixLogText(self, text):

  1952.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  1953. 

  1954.     @pyqtSlot(int, int, int, float, str)

  1955.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valueStr):

  1956.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  1957. 

  1958.     @pyqtSlot(str)

  1959.     def slot_handleInfoCallback(self, info):

  1960.         QMessageBox.information(self, "Information", info)

  1961. 

  1962.     @pyqtSlot(str)

  1963.     def slot_handleErrorCallback(self, error):

  1964.         QMessageBox.critical(self, "Error", error)

  1965. 

  1966.     @pyqtSlot()

  1967.     def slot_handleQuitCallback(self):

  1968.         pass # TODO

  1969. 

  1970.     # --------------------------------------------------------------------------------------------------------

  1971. 

  1972.     @pyqtSlot()

  1973.     def slot_handleSIGUSR1(self):

  1974.         print("Got SIGUSR1 -> Saving project now")

  1975.         self.slot_fileSave()

  1976. 

  1977.     @pyqtSlot()

  1978.     def slot_handleSIGTERM(self):

  1979.         print("Got SIGTERM -> Closing now")

  1980.         self.fCustomStopAction = 1

  1981.         self.slot_engineStop(True)

  1982. 

  1983.     # --------------------------------------------------------------------------------------------------------

  1984.     # Internal stuff

  1985. 

  1986.     def getExtraPtr(self, plugin):

  1987.         ptype = plugin['type']

  1988. 

  1989.         if ptype == PLUGIN_LADSPA:

  1990.             uniqueId = plugin['uniqueId']

  1991. 

  1992.             self.maybeLoadRDFs()

  1993. 

  1994.             for rdfItem in self.fLadspaRdfList:

  1995.                 if rdfItem.UniqueID == uniqueId:

  1996.                     return pointer(rdfItem)

  1997. 

  1998.         elif ptype in (PLUGIN_GIG, PLUGIN_SF2):

  1999.             if plugin['name'].lower().endswith(" (16 outputs)"):

  2000.                 return self._true

  2001. 

  2002.         return None

  2003. 

  2004.     def maybeLoadRDFs(self):

  2005.         if not self.fLadspaRdfNeedsUpdate:

  2006.             return

  2007. 

  2008.         self.fLadspaRdfNeedsUpdate = False

  2009.         self.fLadspaRdfList = []

  2010. 

  2011.         if not haveLRDF:

  2012.             return

  2013. 

  2014.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  2015.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  2016. 

  2017.         if os.path.exists(frLadspaFile):

  2018.             frLadspa = open(frLadspaFile, 'r')

  2019. 

  2020.             try:

  2021.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  2022.             except:

  2023.                 pass

  2024. 

  2025.             frLadspa.close()

  2026. 

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

  2028. 

  2029.     def getPluginItem(self, pluginId):

  2030.         if pluginId >= self.fPluginCount:

  2031.             return None

  2032. 

  2033.         pitem = self.fPluginList[pluginId]

  2034.         if pitem is None:

  2035.             return None

  2036.         #if False:

  2037.             #return CarlaRackItem(self, 0, False)

  2038. 

  2039.         return pitem

  2040. 

  2041.     def getPluginEditDialog(self, pluginId):

  2042.         if pluginId >= self.fPluginCount:

  2043.             return None

  2044. 

  2045.         pitem = self.fPluginList[pluginId]

  2046.         if pitem is None:

  2047.             return None

  2048.         if False:

  2049.             return PluginEdit(self, self.host, 0)

  2050. 

  2051.         return pitem.getEditDialog()

  2052. 

  2053.     def getPluginSlotWidget(self, pluginId):

  2054.         if pluginId >= self.fPluginCount:

  2055.             return None

  2056. 

  2057.         pitem = self.fPluginList[pluginId]

  2058.         if pitem is None:

  2059.             return None

  2060.         #if False:

  2061.             #return AbstractPluginSlot()

  2062. 

  2063.         return pitem.getWidget()

  2064. 

  2065.     # --------------------------------------------------------------------------------------------------------

  2066. 

  2067.     def waitForPendingEvents(self):

  2068.         pass

  2069. 

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

  2071.     # show/hide event

  2072. 

  2073.     def showEvent(self, event):

  2074.         self.refreshTransport(True)

  2075.         QMainWindow.showEvent(self, event)

  2076. 

  2077.         # set our gui as parent for all plugins UIs

  2078.         if self.host.manageUIs and not (self.host.isControl or self.host.isPlugin):

  2079.             winIdStr = "%x" % int(self.winId())

  2080.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2081. 

  2082.     def hideEvent(self, event):

  2083.         # disable parent

  2084.         if not (self.host.isControl or self.host.isPlugin):

  2085.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2086. 

  2087.         QMainWindow.hideEvent(self, event)

  2088. 

  2089.     # --------------------------------------------------------------------------------------------------------

  2090.     # resize event

  2091. 

  2092.     def fixCanvasPreviewSize(self):

  2093.         self.ui.patchbay.resize(self.ui.rack.size())

  2094.         self.slot_miniCanvasCheckSize()

  2095. 

  2096.     def resizeEvent(self, event):

  2097.         QMainWindow.resizeEvent(self, event)

  2098. 

  2099.         if self.ui.tabWidget.currentIndex() != 1:

  2100.             size = self.ui.rack.size()

  2101.             self.ui.patchbay.resize(size)

  2102. 

  2103.         self.slot_miniCanvasCheckSize()

  2104. 

  2105.     # --------------------------------------------------------------------------------------------------------

  2106.     # timer event

  2107. 

  2108.     def idleFast(self):

  2109.         self.host.engine_idle()

  2110.         self.refreshTransport()

  2111. 

  2112.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2113.             return

  2114. 

  2115.         for pitem in self.fPluginList:

  2116.             if pitem is None:

  2117.                 break

  2118. 

  2119.             pitem.getWidget().idleFast()

  2120. 

  2121.         for pluginId in self.fSelectedPlugins:

  2122.             self.fPeaksCleared = False

  2123.             if self.ui.peak_in.isVisible():

  2124.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2125.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2126.             if self.ui.peak_out.isVisible():

  2127.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2128.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2129.             return

  2130. 

  2131.         if self.fPeaksCleared:

  2132.             return

  2133. 

  2134.         self.fPeaksCleared = True

  2135.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2136.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2137.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2138.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2139. 

  2140.     def idleSlow(self):

  2141.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2142.             return

  2143. 

  2144.         for pitem in self.fPluginList:

  2145.             if pitem is None:

  2146.                 break

  2147. 

  2148.             pitem.getWidget().idleSlow()

  2149. 

  2150.     def timerEvent(self, event):

  2151.         if event.timerId() == self.fIdleTimerFast:

  2152.             self.idleFast()

  2153. 

  2154.         elif event.timerId() == self.fIdleTimerSlow:

  2155.             self.idleSlow()

  2156. 

  2157.         QMainWindow.timerEvent(self, event)

  2158. 

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

  2160.     # paint event

  2161. 

  2162.     #def paintEvent(self, event):

  2163.         #QMainWindow.paintEvent(self, event)

  2164. 

  2165.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2166.             #return

  2167. 

  2168.         #painter = QPainter(self)

  2169.         #painter.setBrush(QColor(36, 36, 36))

  2170.         #painter.setPen(QColor(62, 62, 62))

  2171.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2172. 

  2173.     # --------------------------------------------------------------------------------------------------------

  2174.     # close event

  2175. 

  2176.     def closeEvent(self, event):

  2177.         self.killTimers()

  2178.         self.saveSettings()

  2179. 

  2180.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  2181.             if not self.slot_engineStop(True):

  2182.                 self.fCustomStopAction = 1

  2183.                 event.ignore()

  2184.                 return

  2185. 

  2186.         QMainWindow.closeEvent(self, event)

  2187. 

  2188. # ------------------------------------------------------------------------------------------------

  2189. # Canvas callback

  2190. 

  2191. def canvasCallback(action, value1, value2, valueStr):

  2192.     host = gCarla.gui.host

  2193. 

  2194.     if action == patchcanvas.ACTION_GROUP_INFO:

  2195.         pass

  2196. 

  2197.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  2198.         pass

  2199. 

  2200.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  2201.         groupId = value1

  2202.         patchcanvas.splitGroup(groupId)

  2203.         gCarla.gui.updateMiniCanvasLater()

  2204. 

  2205.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  2206.         groupId = value1

  2207.         patchcanvas.joinGroup(groupId)

  2208.         gCarla.gui.updateMiniCanvasLater()

  2209. 

  2210.     elif action == patchcanvas.ACTION_PORT_INFO:

  2211.         pass

  2212. 

  2213.     elif action == patchcanvas.ACTION_PORT_RENAME:

  2214.         pass

  2215. 

  2216.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  2217.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")]

  2218. 

  2219.         if not host.patchbay_connect(gOut, pOut, gIn, pIn):

  2220.             print("Connection failed:", host.get_last_error())

  2221. 

  2222.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  2223.         connectionId = value1

  2224. 

  2225.         if not host.patchbay_disconnect(connectionId):

  2226.             print("Disconnect failed:", host.get_last_error())

  2227. 

  2228.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  2229.         pluginId = value1

  2230. 

  2231.         if not host.clone_plugin(pluginId):

  2232.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2233.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2234. 

  2235.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  2236.         pluginId = value1

  2237.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2238. 

  2239.         if pwidget is not None:

  2240.             pwidget.showEditDialog()

  2241. 

  2242.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  2243.         pluginId = value1

  2244.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2245. 

  2246.         if pwidget is not None:

  2247.             pwidget.showRenameDialog()

  2248. 

  2249.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  2250.         pluginId = value1

  2251.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2252. 

  2253.         if pwidget is not None:

  2254.             pwidget.showReplaceDialog()

  2255. 

  2256.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  2257.         pluginId = value1

  2258. 

  2259.         if not host.remove_plugin(pluginId):

  2260.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2261.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2262. 

  2263.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  2264.         pluginId = value1

  2265.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2266. 

  2267.         if pwidget is not None:

  2268.             pwidget.showCustomUI()

  2269. 

  2270.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  2271.         gCarla.gui.showPluginActionsMenu()

  2272. 

  2273. # ------------------------------------------------------------------------------------------------------------

  2274. # Engine callback

  2275. 

  2276. def engineCallback(host, action, pluginId, value1, value2, value3, valueStr):

  2277.     # kdevelop likes this :)

  2278.     if False: host = CarlaHostNull()

  2279. 

  2280.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  2281.         host.processMode   = value1

  2282.         host.transportMode = value2

  2283.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2284.         host.processMode   = value1

  2285.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2286.         host.transportMode = value1

  2287. 

  2288.     valueStr = charPtrToString(valueStr)

  2289. 

  2290.     if action == ENGINE_CALLBACK_DEBUG:

  2291.         host.DebugCallback.emit(pluginId, value1, value2, value3, valueStr)

  2292.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  2293.         host.PluginAddedCallback.emit(pluginId, valueStr)

  2294.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  2295.         host.PluginRemovedCallback.emit(pluginId)

  2296.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  2297.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  2298.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  2299.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  2300.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  2301.         host.ParameterValueChangedCallback.emit(pluginId, value1, value3)

  2302.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  2303.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, value3)

  2304.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CC_CHANGED:

  2305.         host.ParameterMidiCcChangedCallback.emit(pluginId, value1, value2)

  2306.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  2307.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  2308.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  2309.         host.ProgramChangedCallback.emit(pluginId, value1)

  2310.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  2311.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  2312.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  2313.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  2314.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  2315.         host.UiStateChangedCallback.emit(pluginId, value1)

  2316.     elif action == ENGINE_CALLBACK_NOTE_ON:

  2317.         host.NoteOnCallback.emit(pluginId, value1, value2, round(value3))

  2318.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  2319.         host.NoteOffCallback.emit(pluginId, value1, value2)

  2320.     elif action == ENGINE_CALLBACK_UPDATE:

  2321.         host.UpdateCallback.emit(pluginId)

  2322.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  2323.         host.ReloadInfoCallback.emit(pluginId)

  2324.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  2325.         host.ReloadParametersCallback.emit(pluginId)

  2326.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  2327.         host.ReloadProgramsCallback.emit(pluginId)

  2328.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  2329.         host.ReloadAllCallback.emit(pluginId)

  2330.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  2331.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  2332.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  2333.         host.PatchbayClientRemovedCallback.emit(pluginId)

  2334.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  2335.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  2336.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  2337.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  2338.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  2339.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, valueStr)

  2340.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  2341.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  2342.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_RENAMED:

  2343.         host.PatchbayPortRenamedCallback.emit(pluginId, value1, valueStr)

  2344.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  2345.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  2346.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  2347.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  2348.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  2349.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  2350.         host.EngineStartedCallback.emit(value1, value2, valueStr)

  2351.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  2352.         host.EngineStoppedCallback.emit()

  2353.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2354.         host.ProcessModeChangedCallback.emit(value1)

  2355.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2356.         host.TransportModeChangedCallback.emit(value1)

  2357.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  2358.         host.BufferSizeChangedCallback.emit(value1)

  2359.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  2360.         host.SampleRateChangedCallback.emit(value3)

  2361.     elif action == ENGINE_CALLBACK_NSM:

  2362.         host.NSMCallback.emit(value1, value2, valueStr)

  2363.     elif action == ENGINE_CALLBACK_IDLE:

  2364.         QApplication.instance().processEvents()

  2365.     elif action == ENGINE_CALLBACK_INFO:

  2366.         host.InfoCallback.emit(valueStr)

  2367.     elif action == ENGINE_CALLBACK_ERROR:

  2368.         host.ErrorCallback.emit(valueStr)

  2369.     elif action == ENGINE_CALLBACK_QUIT:

  2370.         host.QuitCallback.emit()

  2371. 

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

  2373. # File callback

  2374. 

  2375. def fileCallback(ptr, action, isDir, title, filter):

  2376.     ret = ("", "") if config_UseQt5 else ""

  2377. 

  2378.     if action == FILE_CALLBACK_DEBUG:

  2379.         pass

  2380.     elif action == FILE_CALLBACK_OPEN:

  2381.         ret = QFileDialog.getOpenFileName(gCarla.gui, charPtrToString(title), "", charPtrToString(filter) ) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  2382.     elif action == FILE_CALLBACK_SAVE:

  2383.         ret = QFileDialog.getSaveFileName(gCarla.gui, charPtrToString(title), "", charPtrToString(filter), QFileDialog.ShowDirsOnly if isDir else 0x0)

  2384. 

  2385.     if config_UseQt5:

  2386.         ret = ret[0]

  2387.     if not ret:

  2388.         return None

  2389. 

  2390.     # FIXME

  2391.     global fileRet

  2392.     fileRet = c_char_p(ret.encode("utf-8"))

  2393.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  2394.     return retval.contents.value

  2395. 

  2396. # ------------------------------------------------------------------------------------------------------------

  2397. # Init host

  2398. 

  2399. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  2400.     pathBinaries, pathResources = getPaths(libPrefix)

  2401. 

  2402.     # --------------------------------------------------------------------------------------------------------

  2403.     # Check if we should open main lib as local or global

  2404. 

  2405.     settings = QSettings("falkTX", "Carla2")

  2406. 

  2407.     try:

  2408.         loadGlobal = settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL, CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL, type=bool)

  2409.     except:

  2410.         loadGlobal = CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL

  2411. 

  2412.     # --------------------------------------------------------------------------------------------------------

  2413.     # Fail if binary dir is not found

  2414. 

  2415.     if not os.path.exists(pathBinaries):

  2416.         if failError:

  2417.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  2418.             sys.exit(1)

  2419.         return

  2420. 

  2421.     # --------------------------------------------------------------------------------------------------------

  2422.     # Set Carla library name

  2423. 

  2424.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  2425.     libname   = os.path.join(pathBinaries, libname)

  2426.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  2427. 

  2428.     # --------------------------------------------------------------------------------------------------------

  2429.     # Print info

  2430. 

  2431.     print("Carla %s started, status:" % VERSION)

  2432.     print("  Python version: %s" % sys.version.split(" ",1)[0])

  2433.     print("  Qt version:     %s" % qVersion())

  2434.     print("  PyQt version:   %s" % PYQT_VERSION_STR)

  2435.     print("  Binary dir:     %s" % pathBinaries)

  2436.     print("  Resources dir:  %s" % pathResources)

  2437. 

  2438.     # --------------------------------------------------------------------------------------------------------

  2439.     # Init host

  2440. 

  2441. 

  2442. 

  2443.     if failError:

  2444.         # no try

  2445.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2446.     else:

  2447.         try:

  2448.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2449.         except:

  2450.             host = CarlaHostQtNull()

  2451. 

  2452.     host.isControl = isControl

  2453.     host.isPlugin  = isPlugin

  2454. 

  2455.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vs: engineCallback(host,a,p,v1,v2,v3,vs))

  2456.     host.set_file_callback(fileCallback)

  2457. 

  2458.     # If it's a plugin the paths are already set

  2459.     if not isPlugin:

  2460.         host.pathBinaries  = pathBinaries

  2461.         host.pathResources = pathResources

  2462.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  2463.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  2464. 

  2465.         if not isControl:

  2466.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  2467. 

  2468.     # --------------------------------------------------------------------------------------------------------

  2469.     # Init utils

  2470. 

  2471.     gCarla.utils = CarlaUtils(utilsname)

  2472.     gCarla.utils.set_process_name(os.path.basename(initName))

  2473. 

  2474.     try:

  2475.         sys.stdout.flush()

  2476.     except:

  2477.         pass

  2478. 

  2479.     sys.stdout = CarlaPrint(False)

  2480.     sys.stderr = CarlaPrint(True)

  2481. 

  2482.     # --------------------------------------------------------------------------------------------------------

  2483.     # Done

  2484. 

  2485.     return host

  2486. 

  2487. # ------------------------------------------------------------------------------------------------------------

  2488. # Load host settings

  2489. 

  2490. def loadHostSettings(host):

  2491.     # kdevelop likes this :)

  2492.     if False: host = CarlaHostNull()

  2493. 

  2494.     settings = QSettings("falkTX", "Carla2")

  2495. 

  2496.     try:

  2497.         host.experimental = settings.value(CARLA_KEY_MAIN_EXPERIMENTAL, CARLA_DEFAULT_MAIN_EXPERIMENTAL, type=bool)

  2498.     except:

  2499.         host.experimental = CARLA_DEFAULT_MAIN_EXPERIMENTAL

  2500. 

  2501.     try:

  2502.         host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, type=bool)

  2503.     except:

  2504.         host.manageUIs = CARLA_DEFAULT_MANAGE_UIS

  2505. 

  2506.     try:

  2507.         host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, type=int)

  2508.     except:

  2509.         host.maxParameters = CARLA_DEFAULT_MAX_PARAMETERS

  2510. 

  2511.     try:

  2512.         host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, type=bool)

  2513.     except:

  2514.         host.forceStereo = CARLA_DEFAULT_FORCE_STEREO

  2515. 

  2516.     try:

  2517.         host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, type=bool)

  2518.     except:

  2519.         host.preferPluginBridges = CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES

  2520. 

  2521.     try:

  2522.         host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, type=bool)

  2523.     except:

  2524.         host.preferUIBridges = CARLA_DEFAULT_PREFER_UI_BRIDGES

  2525. 

  2526.     try:

  2527.         host.preventBadBehaviour = settings.value(CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, type=bool)

  2528.     except:

  2529.         host.preventBadBehaviour = CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR

  2530. 

  2531.     try:

  2532.         host.showPluginBridges = settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, type=bool)

  2533.     except:

  2534.         host.showPluginBridges = CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES

  2535. 

  2536.     try:

  2537.         host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, type=bool)

  2538.     except:

  2539.         host.showLogs = CARLA_DEFAULT_MAIN_SHOW_LOGS

  2540. 

  2541.     try:

  2542.         host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, type=int)

  2543.     except:

  2544.         host.uiBridgesTimeout = CARLA_DEFAULT_UI_BRIDGES_TIMEOUT

  2545. 

  2546.     try:

  2547.         host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, type=bool)

  2548.     except:

  2549.         host.uisAlwaysOnTop = CARLA_DEFAULT_UIS_ALWAYS_ON_TOP

  2550. 

  2551.     if host.isPlugin:

  2552.         return

  2553. 

  2554.     # enums

  2555.     if host.audioDriverForced is None:

  2556.         try:

  2557.             host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, type=int)

  2558.         except:

  2559.             host.transportMode = CARLA_DEFAULT_TRANSPORT_MODE

  2560. 

  2561.     if not host.processModeForced:

  2562.         try:

  2563.             host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, type=int)

  2564.         except:

  2565.             host.processMode = CARLA_DEFAULT_PROCESS_MODE

  2566. 

  2567.     host.nextProcessMode = host.processMode

  2568. 

  2569.     # --------------------------------------------------------------------------------------------------------

  2570.     # fix things if needed

  2571. 

  2572.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS and LADISH_APP_NAME:

  2573.         print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  2574.         host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  2575. 

  2576.     # --------------------------------------------------------------------------------------------------------

  2577.     # run headless host now if nogui option enabled

  2578. 

  2579.     if gCarla.nogui:

  2580.         runHostWithoutUI(host)

  2581. 

  2582. # ------------------------------------------------------------------------------------------------------------

  2583. # Set host settings

  2584. 

  2585. def setHostSettings(host):

  2586.     # kdevelop likes this :)

  2587.     if False: host = CarlaHostNull()

  2588. 

  2589.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  2590.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  2591.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  2592.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  2593.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  2594.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  2595.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  2596.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  2597. 

  2598.     if host.isPlugin:

  2599.         return

  2600. 

  2601.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  2602.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       "")

  2603. 

  2604. # ------------------------------------------------------------------------------------------------------------

  2605. # Set Engine settings according to carla preferences. Returns selected audio driver.

  2606. 

  2607. def setEngineSettings(host):

  2608.     # kdevelop likes this :)

  2609.     if False: host = CarlaHostNull()

  2610. 

  2611.     # --------------------------------------------------------------------------------------------------------

  2612.     # do nothing if control

  2613. 

  2614.     if host.isControl:

  2615.         return "Control"

  2616. 

  2617.     # --------------------------------------------------------------------------------------------------------

  2618. 

  2619.     settings = QSettings("falkTX", "Carla2")

  2620. 

  2621.     # --------------------------------------------------------------------------------------------------------

  2622.     # main settings

  2623. 

  2624.     setHostSettings(host)

  2625. 

  2626.     # --------------------------------------------------------------------------------------------------------

  2627.     # plugin paths

  2628. 

  2629.     LADSPA_PATH = toList(settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH))

  2630.     DSSI_PATH   = toList(settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH))

  2631.     LV2_PATH    = toList(settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH))

  2632.     VST2_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST2,   CARLA_DEFAULT_VST2_PATH))

  2633.     VST3_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST3,   CARLA_DEFAULT_VST3_PATH))

  2634.     GIG_PATH    = toList(settings.value(CARLA_KEY_PATHS_GIG,    CARLA_DEFAULT_GIG_PATH))

  2635.     SF2_PATH    = toList(settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH))

  2636.     SFZ_PATH    = toList(settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH))

  2637. 

  2638.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  2639.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  2640.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  2641.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2,   splitter.join(VST2_PATH))

  2642.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST3,   splitter.join(VST3_PATH))

  2643.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_GIG,    splitter.join(GIG_PATH))

  2644.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  2645.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  2646. 

  2647.     # --------------------------------------------------------------------------------------------------------

  2648.     # don't continue if plugin

  2649. 

  2650.     if host.isPlugin:

  2651.         return "Plugin"

  2652. 

  2653.     # --------------------------------------------------------------------------------------------------------

  2654.     # driver and device settings

  2655. 

  2656.     # driver name

  2657.     if host.audioDriverForced is not None:

  2658.         audioDriver = host.audioDriverForced

  2659.     else:

  2660.         try:

  2661.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, type=str)

  2662.         except:

  2663.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  2664. 

  2665.     # driver options

  2666.     try:

  2667.         audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", type=str)

  2668.     except:

  2669.         audioDevice = ""

  2670. 

  2671.     try:

  2672.         audioNumPeriods = settings.value("%s%s/NumPeriods" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_NUM_PERIODS, type=int)

  2673.     except:

  2674.         audioNumPeriods = CARLA_DEFAULT_AUDIO_NUM_PERIODS

  2675. 

  2676.     try:

  2677.         audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, type=int)

  2678.     except:

  2679.         audioBufferSize = CARLA_DEFAULT_AUDIO_BUFFER_SIZE

  2680. 

  2681.     try:

  2682.         audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, type=int)

  2683.     except:

  2684.         audioSampleRate = CARLA_DEFAULT_AUDIO_SAMPLE_RATE

  2685. 

  2686.     host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE,      0,               audioDevice)

  2687.     host.set_engine_option(ENGINE_OPTION_AUDIO_NUM_PERIODS, audioNumPeriods, "")

  2688.     host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  2689.     host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  2690. 

  2691.     # --------------------------------------------------------------------------------------------------------

  2692.     # fix things if needed

  2693. 

  2694.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  2695.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  2696.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, "")

  2697. 

  2698.     # --------------------------------------------------------------------------------------------------------

  2699.     # return selected driver name

  2700. 

  2701.     return audioDriver

  2702. 

  2703. # ------------------------------------------------------------------------------------------------------------

  2704. # Run Carla without showing UI

  2705. 

  2706. def runHostWithoutUI(host):

  2707.     # kdevelop likes this :)

  2708.     if False: host = CarlaHostNull()

  2709. 

  2710.     # --------------------------------------------------------------------------------------------------------

  2711.     # Some initial checks

  2712. 

  2713.     if not gCarla.nogui:

  2714.         return

  2715. 

  2716.     projectFile = getInitialProjectFile(QCoreApplication.instance(), True)

  2717. 

  2718.     if not projectFile:

  2719.         print("Carla no-gui mode can only be used together with a project file.")

  2720.         sys.exit(1)

  2721. 

  2722.     # --------------------------------------------------------------------------------------------------------

  2723.     # Additional imports

  2724. 

  2725.     from time import sleep

  2726. 

  2727.     # --------------------------------------------------------------------------------------------------------

  2728.     # Init engine

  2729. 

  2730.     audioDriver = setEngineSettings(host)

  2731.     if not host.engine_init(audioDriver, "Carla-nogui"):

  2732.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  2733.         sys.exit(1)

  2734. 

  2735.     if not host.load_project(projectFile):

  2736.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  2737.         host.engine_close()

  2738.         sys.exit(1)

  2739. 

  2740.     # --------------------------------------------------------------------------------------------------------

  2741.     # Idle

  2742. 

  2743.     while host.is_engine_running() and not gCarla.term:

  2744.         host.engine_idle()

  2745.         sleep(0.5)

  2746. 

  2747.     # --------------------------------------------------------------------------------------------------------

  2748.     # Stop

  2749. 

  2750.     host.engine_close()

  2751.     sys.exit(0)

  2752. 

  2753. # ------------------------------------------------------------------------------------------------------------