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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.isControl or 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.         # Load Settings

  369. 

  370.         self.loadSettings(True)

  371. 

  372.         # ----------------------------------------------------------------------------------------------------

  373.         # Set-up Canvas

  374. 

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

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

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

  378. 

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

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

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

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

  383. 

  384.         self.setupCanvas()

  385. 

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

  387.         # Connect actions to functions

  388. 

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

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

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

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

  393. 

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

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

  396. 

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

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

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

  400. 

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

  402. 

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

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

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

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

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

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

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

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

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

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

  413. 

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

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

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

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

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

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

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

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

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

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

  424. 

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

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

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

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

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

  430. 

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

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

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

  434. 

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

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

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

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

  439. 

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

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

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

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

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

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

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

  447. 

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

  449. 

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

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

  452. 

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

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

  455. 

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

  457. 

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

  459. 

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

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

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

  463. 

  464.         self.SIGUSR1.connect(self.slot_handleSIGUSR1)

  465.         self.SIGTERM.connect(self.slot_handleSIGTERM)

  466. 

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

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

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

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

  471. 

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

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

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

  475. 

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

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

  478. 

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

  480. 

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

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

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

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

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

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

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

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

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

  490. 

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

  492. 

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

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

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

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

  497. 

  498.         # ----------------------------------------------------------------------------------------------------

  499.         # Final setup

  500. 

  501.         self.ui.text_logs.clear()

  502.         self.setProperWindowTitle()

  503. 

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

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

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

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

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

  509. 

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

  511.         if self.host.isPlugin:

  512.             self.startTimers()

  513. 

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

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

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

  517. 

  518.         # Load initial project file if set

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

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

  521. 

  522.             if projectFile:

  523.                 self.loadProjectLater(projectFile)

  524. 

  525.         # For NSM we wait for the open message

  526.         if NSM_URL and host.nsmOK:

  527.             host.nsm_ready(-1)

  528.             return

  529. 

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

  531. 

  532.     # --------------------------------------------------------------------------------------------------------

  533.     # Setup

  534. 

  535.     def compactPlugin(self, pluginId):

  536.         if pluginId > self.fPluginCount:

  537.             return

  538. 

  539.         pitem = self.fPluginList[pluginId]

  540. 

  541.         if pitem is None:

  542.             return

  543. 

  544.         pitem.recreateWidget(True)

  545. 

  546.     def setLoadRDFsNeeded(self):

  547.         self.fLadspaRdfNeedsUpdate = True

  548. 

  549.     def setProperWindowTitle(self):

  550.         title = self.fClientName

  551. 

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

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

  554.         if self.fSessionManagerName:

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

  556. 

  557.         self.setWindowTitle(title)

  558. 

  559.     # --------------------------------------------------------------------------------------------------------

  560.     # Files

  561. 

  562.     def makeExtraFilename(self):

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

  564. 

  565.     def loadProjectNow(self):

  566.         if not self.fProjectFilename:

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

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

  569.             return

  570. 

  571.         self.projectLoadingStarted()

  572.         self.fIsProjectLoading = True

  573.         self.host.load_project(self.fProjectFilename)

  574. 

  575.         # Project finished loading is sent by engine

  576. 

  577.     def loadProjectLater(self, filename):

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

  579.         self.setProperWindowTitle()

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

  581. 

  582.     def saveProjectNow(self):

  583.         if not self.fProjectFilename:

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

  585. 

  586.         self.host.save_project(self.fProjectFilename)

  587. 

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

  589.             json.dump({

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

  591.             }, fh)

  592. 

  593.     def projectLoadingStarted(self):

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

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

  596. 

  597.     def projectLoadingFinished(self):

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

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

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

  601. 

  602.         extrafile = self.makeExtraFilename()

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

  604.             return

  605. 

  606.         try:

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

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

  609.         except:

  610.             return

  611. 

  612.         patchcanvas.restoreGroupPositions(canvasdata)

  613. 

  614.     # --------------------------------------------------------------------------------------------------------

  615.     # Files (menu actions)

  616. 

  617.     @pyqtSlot()

  618.     def slot_fileNew(self):

  619.         self.slot_pluginRemoveAll()

  620.         self.fProjectFilename = ""

  621.         self.setProperWindowTitle()

  622. 

  623.     @pyqtSlot()

  624.     def slot_fileOpen(self):

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

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

  627. 

  628.         if config_UseQt5:

  629.             filename = filename[0]

  630.         if not filename:

  631.             return

  632. 

  633.         newFile = True

  634. 

  635.         if self.fPluginCount > 0:

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

  637.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  639. 

  640.         if newFile:

  641.             self.slot_pluginRemoveAll()

  642.             self.fProjectFilename = filename

  643.             self.setProperWindowTitle()

  644.             self.loadProjectNow()

  645.         else:

  646.             filenameOld = self.fProjectFilename

  647.             self.fProjectFilename = filename

  648.             self.loadProjectNow()

  649.             self.fProjectFilename = filenameOld

  650. 

  651.     @pyqtSlot()

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

  653.         if self.fProjectFilename and not saveAs:

  654.             return self.saveProjectNow()

  655. 

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

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

  658. 

  659.         if config_UseQt5:

  660.             filename = filename[0]

  661.         if not filename:

  662.             return

  663. 

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

  665.             filename += ".carxp"

  666. 

  667.         if self.fProjectFilename != filename:

  668.             self.fProjectFilename = filename

  669.             self.setProperWindowTitle()

  670. 

  671.         self.saveProjectNow()

  672. 

  673.     @pyqtSlot()

  674.     def slot_fileSaveAs(self):

  675.         self.slot_fileSave(True)

  676. 

  677.     @pyqtSlot()

  678.     def slot_loadProjectNow(self):

  679.         self.loadProjectNow()

  680. 

  681.     # --------------------------------------------------------------------------------------------------------

  682.     # Engine (menu actions)

  683. 

  684.     @pyqtSlot()

  685.     def slot_engineStart(self):

  686.         audioDriver = setEngineSettings(self.host)

  687.         firstInit   = self.fFirstEngineInit

  688. 

  689.         self.fFirstEngineInit = False

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

  691. 

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

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

  694.             return

  695. 

  696.         elif firstInit:

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

  698.             return

  699. 

  700.         audioError = self.host.get_last_error()

  701. 

  702.         if audioError:

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

  704.         else:

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

  706. 

  707.     @pyqtSlot()

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

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

  710. 

  711.         if self.fPluginCount == 0:

  712.             self.engineStopFinal()

  713.             return True

  714. 

  715.         if not forced:

  716.             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"

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

  718.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  719.             if ask != QMessageBox.Yes:

  720.                 return False

  721. 

  722.         return self.slot_engineStopTryAgain()

  723. 

  724.     @pyqtSlot()

  725.     def slot_engineStopTryAgain(self):

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

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

  728.             return False

  729. 

  730.         self.engineStopFinal()

  731.         return True

  732. 

  733.     def engineStopFinal(self):

  734.         self.killTimers()

  735.         self.removeAllPlugins()

  736. 

  737.         if self.host.is_engine_running():

  738.             self.host.remove_all_plugins()

  739. 

  740.             if self.host.engine_close():

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

  742.             else:

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

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

  745. 

  746.         if self.fCustomStopAction == 1:

  747.             self.close()

  748.         elif self.fCustomStopAction == 2:

  749.             self.slot_engineStart()

  750.             self.loadProjectNow()

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

  752. 

  753.         self.fCustomStopAction = 0

  754. 

  755.     # --------------------------------------------------------------------------------------------------------

  756.     # Engine (host callbacks)

  757. 

  758.     @pyqtSlot(int, int, str)

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

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

  761. 

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

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

  764. 

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

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

  767. 

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

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

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

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

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

  773.         else:

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

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

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

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

  778. 

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

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

  781. 

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

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

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

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

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

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

  788. 

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

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

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

  792. 

  793.         self.refreshTransport(True)

  794. 

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

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

  797. 

  798.         self.startTimers()

  799. 

  800.     @pyqtSlot()

  801.     def slot_handleEngineStoppedCallback(self):

  802.         patchcanvas.clear()

  803.         self.killTimers()

  804. 

  805.         # just in case

  806.         self.removeAllPlugins()

  807. 

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

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

  810. 

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

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

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

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

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

  816. 

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

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

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

  820. 

  821.     @pyqtSlot(float)

  822.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  823.         self.fSampleRate = newSampleRate

  824.         self.refreshTransport(True)

  825. 

  826.     @pyqtSlot()

  827.     def slot_handleProjectLoadFinishedCallback(self):

  828.         self.fIsProjectLoading = False

  829.         self.projectLoadingFinished()

  830. 

  831.     # --------------------------------------------------------------------------------------------------------

  832.     # Plugins

  833. 

  834.     def removeAllPlugins(self):

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

  836.         patchcanvas.handleAllPluginsRemoved()

  837. 

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

  839.             pass

  840. 

  841.         self.clearSideStuff()

  842. 

  843.         for pitem in self.fPluginList:

  844.             if pitem is None:

  845.                 continue

  846. 

  847.             pitem.close()

  848.             del pitem

  849. 

  850.         self.fPluginCount = 0

  851.         self.fPluginList  = []

  852. 

  853.     # --------------------------------------------------------------------------------------------------------

  854.     # Plugins (menu actions)

  855. 

  856.     def showAddPluginDialog(self):

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

  858. 

  859.         if not dialog.exec_():

  860.             return

  861. 

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

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

  864.             return

  865. 

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

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

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

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

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

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

  872. 

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

  874. 

  875.     def showAddJackAppDialog(self):

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

  877. 

  878.         if not dialog.exec_():

  879.             return

  880. 

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

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

  883.             return

  884. 

  885.         return dialog.getCommandAndFlags()

  886. 

  887.     @pyqtSlot()

  888.     def showPluginActionsMenu(self):

  889.         menu = QMenu(self)

  890. 

  891.         if config_UseQt5:

  892.             menu.addSection("Plugins")

  893.         else:

  894.             # fake section

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

  896.             font = act.font()

  897.             font.setBold(True)

  898.             act.setFont(font)

  899.             act.setEnabled(False)

  900.             menu.addSeparator()

  901. 

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

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

  904. 

  905.         if config_UseQt5:

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

  907.         else:

  908.             # fake space

  909.             act  = menu.addAction(" ")

  910.             font = act.font()

  911.             font.setBold(True)

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

  913.             act.setEnabled(False)

  914. 

  915.             # fake section

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

  917.             font = act.font()

  918.             font.setBold(True)

  919.             act.setFont(font)

  920.             act.setEnabled(False)

  921.             menu.addSeparator()

  922. 

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

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

  925.         menu.addSeparator()

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

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

  928.         menu.addSeparator()

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

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

  931.         menu.addSeparator()

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

  933.         menu.addSeparator()

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

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

  936. 

  937.         menu.exec_(QCursor.pos())

  938. 

  939.     @pyqtSlot()

  940.     def slot_pluginAdd(self):

  941.         data = self.showAddPluginDialog()

  942. 

  943.         if data is None:

  944.             return

  945. 

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

  947. 

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

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

  950. 

  951.     @pyqtSlot()

  952.     def slot_pluginRemoveAll(self):

  953.         if self.fPluginCount == 0:

  954.             return

  955. 

  956.         # FIXME - this is not working

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

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

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

  960.             self.projectLoadingStarted()

  961. 

  962.             app = QApplication.instance()

  963.             app.processEvents()

  964. 

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

  966.                 self.host.remove_plugin(i)

  967.                 app.processEvents()

  968. 

  969.             self.projectLoadingFinished()

  970. 

  971.         self.fCurrentlyRemovingAllPlugins = True

  972.         ok = self.host.remove_all_plugins()

  973.         self.fCurrentlyRemovingAllPlugins = False

  974. 

  975.         if ok:

  976.             self.removeAllPlugins()

  977.         else:

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

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

  980. 

  981.         self.fCurrentlyRemovingAllPlugins = False

  982. 

  983.     @pyqtSlot()

  984.     def slot_jackAppAdd(self):

  985.         data = self.showAddJackAppDialog()

  986. 

  987.         if data is None:

  988.             return

  989. 

  990.         filename, name, label = data

  991. 

  992.         if not filename:

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

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

  995.             return

  996. 

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

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

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

  1000. 

  1001.     # --------------------------------------------------------------------------------------------------------

  1002.     # Plugins (macros)

  1003. 

  1004.     @pyqtSlot()

  1005.     def slot_pluginsEnable(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().setActive(True, True, True)

  1014. 

  1015.     @pyqtSlot()

  1016.     def slot_pluginsDisable(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().setActive(False, True, True)

  1025. 

  1026.     @pyqtSlot()

  1027.     def slot_pluginsVolume100(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(PLUGIN_CAN_VOLUME, 1.0)

  1036. 

  1037.     @pyqtSlot()

  1038.     def slot_pluginsMute(self):

  1039.         if not self.host.is_engine_running():

  1040.             return

  1041. 

  1042.         for pitem in self.fPluginList:

  1043.             if pitem is None:

  1044.                 break

  1045. 

  1046.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 0.0)

  1047. 

  1048.     @pyqtSlot()

  1049.     def slot_pluginsWet100(self):

  1050.         if not self.host.is_engine_running():

  1051.             return

  1052. 

  1053.         for pitem in self.fPluginList:

  1054.             if pitem is None:

  1055.                 break

  1056. 

  1057.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 1.0)

  1058. 

  1059.     @pyqtSlot()

  1060.     def slot_pluginsBypass(self):

  1061.         if not self.host.is_engine_running():

  1062.             return

  1063. 

  1064.         for pitem in self.fPluginList:

  1065.             if pitem is None:

  1066.                 break

  1067. 

  1068.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 0.0)

  1069. 

  1070.     @pyqtSlot()

  1071.     def slot_pluginsCenter(self):

  1072.         if not self.host.is_engine_running():

  1073.             return

  1074. 

  1075.         for pitem in self.fPluginList:

  1076.             if pitem is None:

  1077.                 break

  1078. 

  1079.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1080.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1081.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1082. 

  1083.     @pyqtSlot()

  1084.     def slot_pluginsCompact(self):

  1085.         for pitem in self.fPluginList:

  1086.             if pitem is None:

  1087.                 break

  1088.             pitem.compact()

  1089. 

  1090.     @pyqtSlot()

  1091.     def slot_pluginsExpand(self):

  1092.         for pitem in self.fPluginList:

  1093.             if pitem is None:

  1094.                 break

  1095.             pitem.expand()

  1096. 

  1097.     # --------------------------------------------------------------------------------------------------------

  1098.     # Plugins (host callbacks)

  1099. 

  1100.     @pyqtSlot(int, str)

  1101.     def slot_handlePluginAddedCallback(self, pluginId, pluginName):

  1102.         pitem = self.ui.listWidget.createItem(pluginId, self.fSavedSettings[CARLA_KEY_MAIN_USE_CUSTOM_SKINS])

  1103. 

  1104.         self.fPluginList.append(pitem)

  1105.         self.fPluginCount += 1

  1106. 

  1107.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1108. 

  1109.     @pyqtSlot(int)

  1110.     def slot_handlePluginRemovedCallback(self, pluginId):

  1111.         patchcanvas.handlePluginRemoved(pluginId)

  1112. 

  1113.         if pluginId in self.fSelectedPlugins:

  1114.             self.clearSideStuff()

  1115. 

  1116.         pitem = self.getPluginItem(pluginId)

  1117. 

  1118.         self.fPluginCount -= 1

  1119.         self.fPluginList.pop(pluginId)

  1120.         self.ui.listWidget.takeItem(pluginId)

  1121. 

  1122.         if pitem is not None:

  1123.             pitem.close()

  1124.             del pitem

  1125. 

  1126.         # push all plugins 1 slot back

  1127.         for i in range(pluginId, self.fPluginCount):

  1128.             pitem = self.fPluginList[i]

  1129.             pitem.setPluginId(i)

  1130. 

  1131.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1132. 

  1133.     # --------------------------------------------------------------------------------------------------------

  1134.     # Canvas

  1135. 

  1136.     def clearSideStuff(self):

  1137.         self.scene.clearSelection()

  1138. 

  1139.         self.fSelectedPlugins = []

  1140. 

  1141.         self.ui.keyboard.allNotesOff(False)

  1142.         self.ui.scrollArea.setEnabled(False)

  1143. 

  1144.         self.fPeaksCleared = True

  1145.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1146.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1147.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1148.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1149. 

  1150.     def setupCanvas(self):

  1151.         pOptions = patchcanvas.options_t()

  1152.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1153.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1154.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1155.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1156.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1157. 

  1158.         if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY]:

  1159.             pOptions.eyecandy      = patchcanvas.EYECANDY_FULL

  1160.         elif self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]:

  1161.             pOptions.eyecandy      = patchcanvas.EYECANDY_SMALL

  1162.         else:

  1163.             pOptions.eyecandy      = patchcanvas.EYECANDY_NONE

  1164. 

  1165.         pFeatures = patchcanvas.features_t()

  1166.         pFeatures.group_info   = False

  1167.         pFeatures.group_rename = False

  1168.         pFeatures.port_info    = False

  1169.         pFeatures.port_rename  = False

  1170.         pFeatures.handle_group_pos = True

  1171. 

  1172.         patchcanvas.setOptions(pOptions)

  1173.         patchcanvas.setFeatures(pFeatures)

  1174.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1175. 

  1176.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1177. 

  1178.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1179.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1180.             self.fCanvasHeight = int(tryCanvasSize[1])

  1181.         else:

  1182.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1183.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1184. 

  1185.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1186.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1187.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1188. 

  1189.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1190.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1191. 

  1192.     def updateCanvasInitialPos(self):

  1193.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1194.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1195.         patchcanvas.setInitialPos(x, y)

  1196. 

  1197.     def updateMiniCanvasLater(self):

  1198.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1199. 

  1200.     # --------------------------------------------------------------------------------------------------------

  1201.     # Canvas (menu actions)

  1202. 

  1203.     @pyqtSlot()

  1204.     def slot_canvasShowInternal(self):

  1205.         self.fExternalPatchbay = False

  1206.         self.ui.act_canvas_show_internal.blockSignals(True)

  1207.         self.ui.act_canvas_show_external.blockSignals(True)

  1208.         self.ui.act_canvas_show_internal.setChecked(True)

  1209.         self.ui.act_canvas_show_external.setChecked(False)

  1210.         self.ui.act_canvas_show_internal.blockSignals(False)

  1211.         self.ui.act_canvas_show_external.blockSignals(False)

  1212.         self.slot_canvasRefresh()

  1213. 

  1214.     @pyqtSlot()

  1215.     def slot_canvasShowExternal(self):

  1216.         self.fExternalPatchbay = True

  1217.         self.ui.act_canvas_show_internal.blockSignals(True)

  1218.         self.ui.act_canvas_show_external.blockSignals(True)

  1219.         self.ui.act_canvas_show_internal.setChecked(False)

  1220.         self.ui.act_canvas_show_external.setChecked(True)

  1221.         self.ui.act_canvas_show_internal.blockSignals(False)

  1222.         self.ui.act_canvas_show_external.blockSignals(False)

  1223.         self.slot_canvasRefresh()

  1224. 

  1225.     @pyqtSlot()

  1226.     def slot_canvasArrange(self):

  1227.         patchcanvas.arrange()

  1228. 

  1229.     @pyqtSlot()

  1230.     def slot_canvasRefresh(self):

  1231.         patchcanvas.clear()

  1232. 

  1233.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and (self.host.isControl or self.host.isPlugin):

  1234.             return

  1235. 

  1236.         if self.host.is_engine_running():

  1237.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1238. 

  1239.         self.updateMiniCanvasLater()

  1240. 

  1241.     @pyqtSlot()

  1242.     def slot_canvasZoomFit(self):

  1243.         self.scene.zoom_fit()

  1244. 

  1245.     @pyqtSlot()

  1246.     def slot_canvasZoomIn(self):

  1247.         self.scene.zoom_in()

  1248. 

  1249.     @pyqtSlot()

  1250.     def slot_canvasZoomOut(self):

  1251.         self.scene.zoom_out()

  1252. 

  1253.     @pyqtSlot()

  1254.     def slot_canvasZoomReset(self):

  1255.         self.scene.zoom_reset()

  1256. 

  1257.     @pyqtSlot()

  1258.     def slot_canvasSaveImage(self):

  1259.         newPath = QFileDialog.getSaveFileName(self, self.tr("Save Image"), filter=self.tr("PNG Image (*.png);;JPEG Image (*.jpg)"))

  1260. 

  1261.         if config_UseQt5:

  1262.             newPath = newPath[0]

  1263.         if not newPath:

  1264.             return

  1265. 

  1266.         self.scene.clearSelection()

  1267. 

  1268.         if newPath.lower().endswith((".jpg", ".jpeg")):

  1269.             imgFormat = "JPG"

  1270.         elif newPath.lower().endswith((".png",)):

  1271.             imgFormat = "PNG"

  1272.         else:

  1273.             # File-dialog may not auto-add the extension

  1274.             imgFormat = "PNG"

  1275.             newPath  += ".png"

  1276. 

  1277.         self.fExportImage = QImage(self.scene.sceneRect().width(), self.scene.sceneRect().height(), QImage.Format_RGB32)

  1278.         painter = QPainter(self.fExportImage)

  1279.         painter.save()

  1280.         painter.setRenderHint(QPainter.Antialiasing) # TODO - set true, cleanup this

  1281.         painter.setRenderHint(QPainter.TextAntialiasing)

  1282.         self.scene.render(painter)

  1283.         self.fExportImage.save(newPath, imgFormat, 100)

  1284.         painter.restore()

  1285. 

  1286.     # --------------------------------------------------------------------------------------------------------

  1287.     # Canvas (canvas callbacks)

  1288. 

  1289.     @pyqtSlot(int, int, QPointF)

  1290.     def slot_canvasItemMoved(self, group_id, split_mode, pos):

  1291.         self.updateMiniCanvasLater()

  1292. 

  1293.     @pyqtSlot(float)

  1294.     def slot_canvasScaleChanged(self, scale):

  1295.         self.ui.miniCanvasPreview.setViewScale(scale)

  1296. 

  1297.     @pyqtSlot(list)

  1298.     def slot_canvasPluginSelected(self, pluginList):

  1299.         self.ui.keyboard.allNotesOff(False)

  1300.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1301.         self.fSelectedPlugins = pluginList

  1302. 

  1303.     # --------------------------------------------------------------------------------------------------------

  1304.     # Canvas (host callbacks)

  1305. 

  1306.     @pyqtSlot(int, int, int, str)

  1307.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1308.         pcSplit = patchcanvas.SPLIT_UNDEF

  1309.         pcIcon  = patchcanvas.ICON_APPLICATION

  1310. 

  1311.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1312.             pcIcon = patchcanvas.ICON_PLUGIN

  1313.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1314.             pcIcon = patchcanvas.ICON_HARDWARE

  1315.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1316.             pass

  1317.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1318.             pcIcon = patchcanvas.ICON_DISTRHO

  1319.         elif clientIcon == PATCHBAY_ICON_FILE:

  1320.             pcIcon = patchcanvas.ICON_FILE

  1321. 

  1322.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1323. 

  1324.         self.updateMiniCanvasLater()

  1325. 

  1326.         if pluginId < 0:

  1327.             return

  1328.         if pluginId >= self.fPluginCount:

  1329.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1330.             return

  1331. 

  1332.         patchcanvas.setGroupAsPlugin(clientId, pluginId, bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI))

  1333. 

  1334.     @pyqtSlot(int)

  1335.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1336.         patchcanvas.removeGroup(clientId)

  1337.         self.updateMiniCanvasLater()

  1338. 

  1339.     @pyqtSlot(int, str)

  1340.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1341.         patchcanvas.renameGroup(clientId, newClientName)

  1342.         self.updateMiniCanvasLater()

  1343. 

  1344.     @pyqtSlot(int, int, int)

  1345.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1346.         pcIcon = patchcanvas.ICON_APPLICATION

  1347. 

  1348.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1349.             pcIcon = patchcanvas.ICON_PLUGIN

  1350.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1351.             pcIcon = patchcanvas.ICON_HARDWARE

  1352.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1353.             pass

  1354.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1355.             pcIcon = patchcanvas.ICON_DISTRHO

  1356.         elif clientIcon == PATCHBAY_ICON_FILE:

  1357.             pcIcon = patchcanvas.ICON_FILE

  1358. 

  1359.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1360.         self.updateMiniCanvasLater()

  1361. 

  1362.         if pluginId < 0:

  1363.             return

  1364.         if pluginId >= self.fPluginCount:

  1365.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1366.             return

  1367. 

  1368.         patchcanvas.setGroupAsPlugin(clientId, pluginId, bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI))

  1369. 

  1370.     @pyqtSlot(int, int, int, str)

  1371.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portName):

  1372.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1373.             portMode = patchcanvas.PORT_MODE_INPUT

  1374.         else:

  1375.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1376. 

  1377.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1378.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1379.             isAlternate = False

  1380.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1381.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1382.             isAlternate = True

  1383.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1384.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1385.             isAlternate = False

  1386.         else:

  1387.             portType    = patchcanvas.PORT_TYPE_NULL

  1388.             isAlternate = False

  1389. 

  1390.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1391.         self.updateMiniCanvasLater()

  1392. 

  1393.     @pyqtSlot(int, int)

  1394.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  1395.         patchcanvas.removePort(groupId, portId)

  1396.         self.updateMiniCanvasLater()

  1397. 

  1398.     @pyqtSlot(int, int, str)

  1399.     def slot_handlePatchbayPortRenamedCallback(self, groupId, portId, newPortName):

  1400.         patchcanvas.renamePort(groupId, portId, newPortName)

  1401.         self.updateMiniCanvasLater()

  1402. 

  1403.     @pyqtSlot(int, int, int, int, int)

  1404.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1405.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1406.         self.updateMiniCanvasLater()

  1407. 

  1408.     @pyqtSlot(int, int, int)

  1409.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1410.         patchcanvas.disconnectPorts(connectionId)

  1411.         self.updateMiniCanvasLater()

  1412. 

  1413.     # --------------------------------------------------------------------------------------------------------

  1414.     # Settings

  1415. 

  1416.     def saveSettings(self):

  1417.         settings = QSettings()

  1418. 

  1419.         settings.setValue("Geometry", self.saveGeometry())

  1420. 

  1421.         #settings.setValue("SplitterState", self.ui.splitter.saveState())

  1422. 

  1423.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  1424. 

  1425.         settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  1426. 

  1427.         diskFolders = []

  1428. 

  1429.         for i in range(self.ui.cb_disk.count()):

  1430.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1431. 

  1432.         settings.setValue("DiskFolders", diskFolders)

  1433. 

  1434.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1435.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1436.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1437.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1438. 

  1439.     def loadSettings(self, firstTime):

  1440.         settings = QSettings()

  1441. 

  1442.         if firstTime:

  1443.             self.restoreGeometry(settings.value("Geometry", b""))

  1444. 

  1445.             showToolbar = settings.value("ShowToolbar", True, type=bool)

  1446.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1447.             self.ui.toolBar.setEnabled(showToolbar)

  1448.             self.ui.toolBar.setVisible(showToolbar)

  1449. 

  1450.             #if settings.contains("SplitterState"):

  1451.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  1452.             #else:

  1453.                 #self.ui.splitter.setSizes([210, 99999])

  1454. 

  1455.             showSidePanel = settings.value("ShowSidePanel", True, type=bool)

  1456.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  1457.             self.ui.dockWidget.setEnabled(showSidePanel)

  1458.             self.ui.dockWidget.setVisible(showSidePanel)

  1459. 

  1460.             diskFolders = toList(settings.value("DiskFolders", [HOME]))

  1461. 

  1462.             self.ui.cb_disk.setItemData(0, HOME)

  1463. 

  1464.             for i in range(len(diskFolders)):

  1465.                 if i == 0: continue

  1466.                 folder = diskFolders[i]

  1467.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1468. 

  1469.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, type=bool):

  1470.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1471. 

  1472.             showMeters = settings.value("ShowMeters", False, type=bool)

  1473.             self.ui.act_settings_show_meters.setChecked(showMeters)

  1474.             self.ui.peak_in.setVisible(showMeters)

  1475.             self.ui.peak_out.setVisible(showMeters)

  1476. 

  1477.             showKeyboard = settings.value("ShowKeyboard", not(MACOS or WINDOWS), type=bool)

  1478.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  1479.             self.ui.scrollArea.setVisible(showKeyboard)

  1480. 

  1481.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  1482. 

  1483.         # TODO - complete this

  1484. 

  1485.         self.fSavedSettings = {

  1486.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      type=str),

  1487.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    type=int),

  1488.             CARLA_KEY_MAIN_USE_CUSTOM_SKINS:    settings.value(CARLA_KEY_MAIN_USE_CUSTOM_SKINS,    CARLA_DEFAULT_MAIN_USE_CUSTOM_SKINS,    type=bool),

  1489.             CARLA_KEY_MAIN_EXPERIMENTAL:        settings.value(CARLA_KEY_MAIN_EXPERIMENTAL,        CARLA_DEFAULT_MAIN_EXPERIMENTAL,        type=bool),

  1490.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             type=str),

  1491.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              type=str),

  1492.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  type=bool),

  1493.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, type=bool),

  1494.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  type=bool),

  1495.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         type=bool),

  1496.             CARLA_KEY_CANVAS_FANCY_EYE_CANDY:   settings.value(CARLA_KEY_CANVAS_FANCY_EYE_CANDY,   CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY,   type=bool),

  1497.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        type=bool),

  1498.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      type=int),

  1499.             CARLA_KEY_CANVAS_HQ_ANTIALIASING:   settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   type=bool),

  1500.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   type=bool) and

  1501.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", type=str).lower() == "black"),

  1502.         }

  1503. 

  1504.         self.ui.act_add_jack.setVisible(settings.value(CARLA_KEY_EXPERIMENTAL_JACK_APPS,

  1505.                                                        CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS, type=bool))

  1506. 

  1507.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY] else 0

  1508. 

  1509.         setEngineSettings(self.host)

  1510.         self.restartTimersIfNeeded()

  1511. 

  1512.     # --------------------------------------------------------------------------------------------------------

  1513.     # Settings (helpers)

  1514. 

  1515.     @pyqtSlot()

  1516.     def slot_restoreCanvasScrollbarValues(self):

  1517.         settings = QSettings()

  1518.         self.ui.graphicsView.horizontalScrollBar().setValue(settings.value("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().maximum()/2, type=int))

  1519.         self.ui.graphicsView.verticalScrollBar().setValue(settings.value("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().maximum()/2, type=int))

  1520. 

  1521.     # --------------------------------------------------------------------------------------------------------

  1522.     # Settings (menu actions)

  1523. 

  1524.     @pyqtSlot(bool)

  1525.     def slot_showSidePanel(self, yesNo):

  1526.         self.ui.dockWidget.setEnabled(yesNo)

  1527.         self.ui.dockWidget.setVisible(yesNo)

  1528. 

  1529.     @pyqtSlot(bool)

  1530.     def slot_showToolbar(self, yesNo):

  1531.         self.ui.toolBar.setEnabled(yesNo)

  1532.         self.ui.toolBar.setVisible(yesNo)

  1533. 

  1534.     @pyqtSlot(bool)

  1535.     def slot_showCanvasMeters(self, yesNo):

  1536.         self.ui.peak_in.setVisible(yesNo)

  1537.         self.ui.peak_out.setVisible(yesNo)

  1538.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1539. 

  1540.     @pyqtSlot(bool)

  1541.     def slot_showCanvasKeyboard(self, yesNo):

  1542.         self.ui.scrollArea.setVisible(yesNo)

  1543.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1544. 

  1545.     @pyqtSlot()

  1546.     def slot_configureCarla(self):

  1547.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  1548.         if not dialog.exec_():

  1549.             return

  1550. 

  1551.         self.loadSettings(False)

  1552. 

  1553.         patchcanvas.clear()

  1554. 

  1555.         self.setupCanvas()

  1556.         self.slot_miniCanvasCheckAll()

  1557. 

  1558.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1559.             pass

  1560.         elif self.host.is_engine_running():

  1561.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1562. 

  1563.         for pitem in self.fPluginList:

  1564.             if pitem is None:

  1565.                 break

  1566.             pitem.setUsingSkins(self.fSavedSettings[CARLA_KEY_MAIN_USE_CUSTOM_SKINS])

  1567.             pitem.recreateWidget()

  1568. 

  1569.     # --------------------------------------------------------------------------------------------------------

  1570.     # About (menu actions)

  1571. 

  1572.     @pyqtSlot()

  1573.     def slot_aboutCarla(self):

  1574.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  1575. 

  1576.     @pyqtSlot()

  1577.     def slot_aboutJuce(self):

  1578.         JuceAboutW(self.fParentOrSelf).exec_()

  1579. 

  1580.     @pyqtSlot()

  1581.     def slot_aboutQt(self):

  1582.         QApplication.instance().aboutQt()

  1583. 

  1584.     # --------------------------------------------------------------------------------------------------------

  1585.     # Disk (menu actions)

  1586. 

  1587.     @pyqtSlot(int)

  1588.     def slot_diskFolderChanged(self, index):

  1589.         if index < 0:

  1590.             return

  1591.         elif index == 0:

  1592.             filename = HOME

  1593.             self.ui.b_disk_remove.setEnabled(False)

  1594.         else:

  1595.             filename = self.ui.cb_disk.itemData(index)

  1596.             self.ui.b_disk_remove.setEnabled(True)

  1597. 

  1598.         self.fDirModel.setRootPath(filename)

  1599.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  1600. 

  1601.     @pyqtSlot()

  1602.     def slot_diskFolderAdd(self):

  1603.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  1604. 

  1605.         if newPath:

  1606.             if newPath[-1] == os.sep:

  1607.                 newPath = newPath[:-1]

  1608.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  1609.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  1610.             self.ui.b_disk_remove.setEnabled(True)

  1611. 

  1612.     @pyqtSlot()

  1613.     def slot_diskFolderRemove(self):

  1614.         index = self.ui.cb_disk.currentIndex()

  1615. 

  1616.         if index <= 0:

  1617.             return

  1618. 

  1619.         self.ui.cb_disk.removeItem(index)

  1620. 

  1621.         if self.ui.cb_disk.currentIndex() == 0:

  1622.             self.ui.b_disk_remove.setEnabled(False)

  1623. 

  1624.     @pyqtSlot(QModelIndex)

  1625.     def slot_fileTreeDoubleClicked(self, modelIndex):

  1626.         filename = self.fDirModel.filePath(modelIndex)

  1627. 

  1628.         if not self.ui.listWidget.isDragUrlValid(filename):

  1629.             return

  1630. 

  1631.         if not self.host.load_file(filename):

  1632.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  1633.                              self.tr("Failed to load file"),

  1634.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1635. 

  1636.     # --------------------------------------------------------------------------------------------------------

  1637.     # Transport

  1638. 

  1639.     def refreshTransport(self, forced = False):

  1640.         if not self.isVisible():

  1641.             return

  1642.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  1643.             return

  1644. 

  1645.         timeInfo = self.host.get_transport_info()

  1646.         playing  = timeInfo['playing']

  1647.         frame    = timeInfo['frame']

  1648.         bpm      = timeInfo['bpm']

  1649. 

  1650.         if playing != self.fLastTransportState or forced:

  1651.             if playing:

  1652.                 icon = getIcon("media-playback-pause")

  1653.                 self.ui.b_transport_play.setChecked(True)

  1654.                 self.ui.b_transport_play.setIcon(icon)

  1655.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  1656.             else:

  1657.                 icon = getIcon("media-playback-start")

  1658.                 self.ui.b_transport_play.setChecked(False)

  1659.                 self.ui.b_transport_play.setIcon(icon)

  1660.                 #self.ui.b_play.setText(self.tr("&Play"))

  1661. 

  1662.             self.fLastTransportState = playing

  1663. 

  1664.         if frame != self.fLastTransportFrame or forced:

  1665.             self.fLastTransportFrame = frame

  1666. 

  1667.             time = frame / self.fSampleRate

  1668.             secs =  time % 60

  1669.             mins = (time / 60) % 60

  1670.             hrs  = (time / 3600) % 60

  1671.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  1672. 

  1673.             frame1 =  frame % 1000

  1674.             frame2 = (frame / 1000) % 1000

  1675.             frame3 = (frame / 1000000) % 1000

  1676.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  1677. 

  1678.             bar  = timeInfo['bar']

  1679.             beat = timeInfo['beat']

  1680.             tick = timeInfo['tick']

  1681.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  1682. 

  1683.         if bpm != self.fLastTransportBPM or forced:

  1684.             self.fLastTransportBPM = bpm

  1685. 

  1686.             if bpm > 0.0:

  1687.                 self.ui.dsb_transport_bpm.blockSignals(True)

  1688.                 self.ui.dsb_transport_bpm.setValue(bpm)

  1689.                 self.ui.dsb_transport_bpm.blockSignals(False)

  1690.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  1691.             else:

  1692.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  1693. 

  1694.     # --------------------------------------------------------------------------------------------------------

  1695.     # Transport (menu actions)

  1696. 

  1697.     @pyqtSlot(bool)

  1698.     def slot_transportPlayPause(self, toggled):

  1699.         if self.host.isPlugin or not self.host.is_engine_running():

  1700.             return

  1701. 

  1702.         if toggled:

  1703.             self.host.transport_play()

  1704.         else:

  1705.             self.host.transport_pause()

  1706. 

  1707.         self.refreshTransport()

  1708. 

  1709.     @pyqtSlot()

  1710.     def slot_transportStop(self):

  1711.         if self.host.isPlugin or not self.host.is_engine_running():

  1712.             return

  1713. 

  1714.         self.host.transport_pause()

  1715.         self.host.transport_relocate(0)

  1716. 

  1717.         self.refreshTransport()

  1718. 

  1719.     @pyqtSlot()

  1720.     def slot_transportBackwards(self):

  1721.         if self.host.isPlugin or not self.host.is_engine_running():

  1722.             return

  1723. 

  1724.         newFrame = self.host.get_current_transport_frame() - 100000

  1725. 

  1726.         if newFrame < 0:

  1727.             newFrame = 0

  1728. 

  1729.         self.host.transport_relocate(newFrame)

  1730. 

  1731.     @pyqtSlot(float)

  1732.     def slot_transportBpmChanged(self, newValue):

  1733.         self.host.transport_bpm(newValue)

  1734. 

  1735.     @pyqtSlot()

  1736.     def slot_transportForwards(self):

  1737.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  1738.             return

  1739. 

  1740.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  1741.         self.host.transport_relocate(newFrame)

  1742. 

  1743.     @pyqtSlot(bool)

  1744.     def slot_transportJackEnabled(self, clicked):

  1745.         if not self.host.is_engine_running():

  1746.             return

  1747.         mode  = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  1748.         extra = ":link:" if self.ui.cb_transport_link.isChecked() else ""

  1749.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, extra)

  1750. 

  1751.     @pyqtSlot(bool)

  1752.     def slot_transportLinkEnabled(self, clicked):

  1753.         if not self.host.is_engine_running():

  1754.             return

  1755.         mode  = ENGINE_TRANSPORT_MODE_JACK if self.ui.cb_transport_jack.isChecked() else ENGINE_TRANSPORT_MODE_INTERNAL

  1756.         extra = ":link:" if clicked else ""

  1757.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, extra)

  1758. 

  1759.     # --------------------------------------------------------------------------------------------------------

  1760.     # Canvas scrollbars

  1761. 

  1762.     @pyqtSlot(int)

  1763.     def slot_horizontalScrollBarChanged(self, value):

  1764.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  1765.         if maximum == 0:

  1766.             xp = 0

  1767.         else:

  1768.             xp = float(value) / maximum

  1769.         self.ui.miniCanvasPreview.setViewPosX(xp)

  1770.         self.updateCanvasInitialPos()

  1771. 

  1772.     @pyqtSlot(int)

  1773.     def slot_verticalScrollBarChanged(self, value):

  1774.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  1775.         if maximum == 0:

  1776.             yp = 0

  1777.         else:

  1778.             yp = float(value) / maximum

  1779.         self.ui.miniCanvasPreview.setViewPosY(yp)

  1780.         self.updateCanvasInitialPos()

  1781. 

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

  1783.     # Canvas keyboard

  1784. 

  1785.     @pyqtSlot(int)

  1786.     def slot_noteOn(self, note):

  1787.         for pluginId in self.fSelectedPlugins:

  1788.             self.host.send_midi_note(pluginId, 0, note, 100)

  1789. 

  1790.             pedit = self.getPluginEditDialog(pluginId)

  1791.             pedit.noteOn(0, note, 100)

  1792. 

  1793.     @pyqtSlot(int)

  1794.     def slot_noteOff(self, note):

  1795.         for pluginId in self.fSelectedPlugins:

  1796.             self.host.send_midi_note(pluginId, 0, note, 0)

  1797. 

  1798.             pedit = self.getPluginEditDialog(pluginId)

  1799.             pedit.noteOff(0, note)

  1800. 

  1801.     # --------------------------------------------------------------------------------------------------------

  1802.     # Canvas keyboard (host callbacks)

  1803. 

  1804.     @pyqtSlot(int, int, int, int)

  1805.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  1806.         if pluginId in self.fSelectedPlugins:

  1807.             self.ui.keyboard.sendNoteOn(note, False)

  1808. 

  1809.     @pyqtSlot(int, int, int)

  1810.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  1811.         if pluginId in self.fSelectedPlugins:

  1812.             self.ui.keyboard.sendNoteOff(note, False)

  1813. 

  1814.     # --------------------------------------------------------------------------------------------------------

  1815. 

  1816.     @pyqtSlot(int)

  1817.     def slot_handleUpdateCallback(self, pluginId):

  1818.         pitem = self.getPluginItem(pluginId)

  1819. 

  1820.         if pitem is None:

  1821.             return

  1822. 

  1823.         wasCompacted = pitem.isCompacted()

  1824.         isCompacted  = wasCompacted

  1825. 

  1826.         for i in range(self.host.get_custom_data_count(pluginId)):

  1827.             cdata = self.host.get_custom_data(pluginId, i)

  1828. 

  1829.             if cdata['type'] == CUSTOM_DATA_TYPE_PROPERTY and cdata['key'] == "CarlaSkinIsCompacted":

  1830.                 isCompacted = bool(cdata['value'] == "true")

  1831.                 break

  1832.         else:

  1833.             return

  1834. 

  1835.         if wasCompacted == isCompacted:

  1836.             return

  1837. 

  1838.         pitem.recreateWidget(True)

  1839. 

  1840.     # --------------------------------------------------------------------------------------------------------

  1841.     # MiniCanvas stuff

  1842. 

  1843.     @pyqtSlot()

  1844.     def slot_miniCanvasCheckAll(self):

  1845.         self.slot_miniCanvasCheckSize()

  1846.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  1847.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  1848. 

  1849.     @pyqtSlot()

  1850.     def slot_miniCanvasCheckSize(self):

  1851.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  1852.             return

  1853. 

  1854.         currentIndex = self.ui.tabWidget.currentIndex()

  1855. 

  1856.         if currentIndex == 1:

  1857.             width  = self.ui.graphicsView.width()

  1858.             height = self.ui.graphicsView.height()

  1859.         else:

  1860.             self.ui.tabWidget.blockSignals(True)

  1861.             self.ui.tabWidget.setCurrentIndex(1)

  1862.             width  = self.ui.graphicsView.width()

  1863.             height = self.ui.graphicsView.height()

  1864.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  1865.             self.ui.tabWidget.blockSignals(False)

  1866. 

  1867.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  1868. 

  1869.     @pyqtSlot(float, float)

  1870.     def slot_miniCanvasMoved(self, xp, yp):

  1871.         hsb = self.ui.graphicsView.horizontalScrollBar()

  1872.         vsb = self.ui.graphicsView.verticalScrollBar()

  1873.         hsb.setValue(xp * hsb.maximum())

  1874.         vsb.setValue(yp * vsb.maximum())

  1875.         self.updateCanvasInitialPos()

  1876. 

  1877.     # --------------------------------------------------------------------------------------------------------

  1878.     # Timers

  1879. 

  1880.     def startTimers(self):

  1881.         if self.fIdleTimerFast == 0:

  1882.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  1883. 

  1884.         if self.fIdleTimerSlow == 0:

  1885.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  1886. 

  1887.     def restartTimersIfNeeded(self):

  1888.         if self.fIdleTimerFast != 0:

  1889.             self.killTimer(self.fIdleTimerFast)

  1890.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  1891. 

  1892.         if self.fIdleTimerSlow != 0:

  1893.             self.killTimer(self.fIdleTimerSlow)

  1894.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  1895. 

  1896.     def killTimers(self):

  1897.         if self.fIdleTimerFast != 0:

  1898.             self.killTimer(self.fIdleTimerFast)

  1899.             self.fIdleTimerFast = 0

  1900. 

  1901.         if self.fIdleTimerSlow != 0:

  1902.             self.killTimer(self.fIdleTimerSlow)

  1903.             self.fIdleTimerSlow = 0

  1904. 

  1905.     # --------------------------------------------------------------------------------------------------------

  1906.     # Misc

  1907. 

  1908.     @pyqtSlot(int)

  1909.     def slot_tabChanged(self, index):

  1910.         if index != 1:

  1911.             return

  1912. 

  1913.         self.ui.graphicsView.setFocus()

  1914. 

  1915.     @pyqtSlot(int)

  1916.     def slot_handleReloadAllCallback(self, pluginId):

  1917.         if pluginId >= self.fPluginCount:

  1918.             return

  1919. 

  1920.         pitem = self.fPluginList[pluginId]

  1921.         if pitem is None:

  1922.             return

  1923. 

  1924.         pitem.recreateWidget()

  1925. 

  1926.     # --------------------------------------------------------------------------------------------------------

  1927. 

  1928.     @pyqtSlot(int, int, str)

  1929.     def slot_handleNSMCallback(self, value1, value2, valueStr):

  1930.         # Error

  1931.         if value1 == 0:

  1932.             pass

  1933. 

  1934.         # Reply

  1935.         elif value1 == 1:

  1936.             self.fFirstEngineInit    = False

  1937.             self.fSessionManagerName = valueStr

  1938.             self.setProperWindowTitle()

  1939. 

  1940.         # Open

  1941.         elif value1 == 2:

  1942.             self.fClientName      = os.path.basename(valueStr)

  1943.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  1944.             self.setProperWindowTitle()

  1945. 

  1946.             self.fCustomStopAction = 2

  1947.             self.slot_engineStop(True)

  1948.             return

  1949. 

  1950.         # Save

  1951.         elif value1 == 3:

  1952.             self.saveProjectNow()

  1953. 

  1954.         # Session is Loaded

  1955.         elif value1 == 4:

  1956.             pass

  1957. 

  1958.         # Show Optional Gui

  1959.         elif value1 == 5:

  1960.             self.show()

  1961. 

  1962.         # Hide Optional Gui

  1963.         elif value1 == 6:

  1964.             self.hide()

  1965. 

  1966.         self.host.nsm_ready(value1)

  1967. 

  1968.     # --------------------------------------------------------------------------------------------------------

  1969. 

  1970.     def fixLogText(self, text):

  1971.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  1972. 

  1973.     @pyqtSlot(int, int, int, float, str)

  1974.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valueStr):

  1975.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  1976. 

  1977.     @pyqtSlot(str)

  1978.     def slot_handleInfoCallback(self, info):

  1979.         QMessageBox.information(self, "Information", info)

  1980. 

  1981.     @pyqtSlot(str)

  1982.     def slot_handleErrorCallback(self, error):

  1983.         QMessageBox.critical(self, "Error", error)

  1984. 

  1985.     @pyqtSlot()

  1986.     def slot_handleQuitCallback(self):

  1987.         pass # TODO

  1988. 

  1989.     # --------------------------------------------------------------------------------------------------------

  1990. 

  1991.     @pyqtSlot()

  1992.     def slot_handleSIGUSR1(self):

  1993.         print("Got SIGUSR1 -> Saving project now")

  1994.         self.slot_fileSave()

  1995. 

  1996.     @pyqtSlot()

  1997.     def slot_handleSIGTERM(self):

  1998.         print("Got SIGTERM -> Closing now")

  1999.         self.fCustomStopAction = 1

  2000.         self.slot_engineStop(True)

  2001. 

  2002.     # --------------------------------------------------------------------------------------------------------

  2003.     # Internal stuff

  2004. 

  2005.     def getExtraPtr(self, plugin):

  2006.         ptype = plugin['type']

  2007. 

  2008.         if ptype == PLUGIN_LADSPA:

  2009.             uniqueId = plugin['uniqueId']

  2010. 

  2011.             self.maybeLoadRDFs()

  2012. 

  2013.             for rdfItem in self.fLadspaRdfList:

  2014.                 if rdfItem.UniqueID == uniqueId:

  2015.                     return pointer(rdfItem)

  2016. 

  2017.         elif ptype in (PLUGIN_GIG, PLUGIN_SF2):

  2018.             if plugin['name'].lower().endswith(" (16 outputs)"):

  2019.                 return self._true

  2020. 

  2021.         return None

  2022. 

  2023.     def maybeLoadRDFs(self):

  2024.         if not self.fLadspaRdfNeedsUpdate:

  2025.             return

  2026. 

  2027.         self.fLadspaRdfNeedsUpdate = False

  2028.         self.fLadspaRdfList = []

  2029. 

  2030.         if not haveLRDF:

  2031.             return

  2032. 

  2033.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  2034.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  2035. 

  2036.         if os.path.exists(frLadspaFile):

  2037.             frLadspa = open(frLadspaFile, 'r')

  2038. 

  2039.             try:

  2040.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  2041.             except:

  2042.                 pass

  2043. 

  2044.             frLadspa.close()

  2045. 

  2046.     # --------------------------------------------------------------------------------------------------------

  2047. 

  2048.     def getPluginItem(self, pluginId):

  2049.         if pluginId >= self.fPluginCount:

  2050.             return None

  2051. 

  2052.         pitem = self.fPluginList[pluginId]

  2053.         if pitem is None:

  2054.             return None

  2055.         #if False:

  2056.             #return CarlaRackItem(self, 0, False)

  2057. 

  2058.         return pitem

  2059. 

  2060.     def getPluginEditDialog(self, pluginId):

  2061.         if pluginId >= self.fPluginCount:

  2062.             return None

  2063. 

  2064.         pitem = self.fPluginList[pluginId]

  2065.         if pitem is None:

  2066.             return None

  2067.         if False:

  2068.             return PluginEdit(self, self.host, 0)

  2069. 

  2070.         return pitem.getEditDialog()

  2071. 

  2072.     def getPluginSlotWidget(self, pluginId):

  2073.         if pluginId >= self.fPluginCount:

  2074.             return None

  2075. 

  2076.         pitem = self.fPluginList[pluginId]

  2077.         if pitem is None:

  2078.             return None

  2079.         #if False:

  2080.             #return AbstractPluginSlot()

  2081. 

  2082.         return pitem.getWidget()

  2083. 

  2084.     # --------------------------------------------------------------------------------------------------------

  2085. 

  2086.     def waitForPendingEvents(self):

  2087.         pass

  2088. 

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

  2090.     # show/hide event

  2091. 

  2092.     def showEvent(self, event):

  2093.         self.refreshTransport(True)

  2094.         QMainWindow.showEvent(self, event)

  2095. 

  2096.         # set our gui as parent for all plugins UIs

  2097.         if self.host.manageUIs and not (self.host.isControl or self.host.isPlugin):

  2098.             winIdStr = "%x" % int(self.winId())

  2099.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2100. 

  2101.     def hideEvent(self, event):

  2102.         # disable parent

  2103.         if not (self.host.isControl or self.host.isPlugin):

  2104.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2105. 

  2106.         QMainWindow.hideEvent(self, event)

  2107. 

  2108.     # --------------------------------------------------------------------------------------------------------

  2109.     # resize event

  2110. 

  2111.     def fixCanvasPreviewSize(self):

  2112.         self.ui.patchbay.resize(self.ui.rack.size())

  2113.         self.slot_miniCanvasCheckSize()

  2114. 

  2115.     def resizeEvent(self, event):

  2116.         QMainWindow.resizeEvent(self, event)

  2117. 

  2118.         if self.ui.tabWidget.currentIndex() != 1:

  2119.             size = self.ui.rack.size()

  2120.             self.ui.patchbay.resize(size)

  2121. 

  2122.         self.slot_miniCanvasCheckSize()

  2123. 

  2124.     # --------------------------------------------------------------------------------------------------------

  2125.     # timer event

  2126. 

  2127.     def idleFast(self):

  2128.         self.host.engine_idle()

  2129.         self.refreshTransport()

  2130. 

  2131.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2132.             return

  2133. 

  2134.         for pitem in self.fPluginList:

  2135.             if pitem is None:

  2136.                 break

  2137. 

  2138.             pitem.getWidget().idleFast()

  2139. 

  2140.         for pluginId in self.fSelectedPlugins:

  2141.             self.fPeaksCleared = False

  2142.             if self.ui.peak_in.isVisible():

  2143.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2144.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2145.             if self.ui.peak_out.isVisible():

  2146.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2147.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2148.             return

  2149. 

  2150.         if self.fPeaksCleared:

  2151.             return

  2152. 

  2153.         self.fPeaksCleared = True

  2154.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2155.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2156.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2157.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2158. 

  2159.     def idleSlow(self):

  2160.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2161.             return

  2162. 

  2163.         for pitem in self.fPluginList:

  2164.             if pitem is None:

  2165.                 break

  2166. 

  2167.             pitem.getWidget().idleSlow()

  2168. 

  2169.     def timerEvent(self, event):

  2170.         if event.timerId() == self.fIdleTimerFast:

  2171.             self.idleFast()

  2172. 

  2173.         elif event.timerId() == self.fIdleTimerSlow:

  2174.             self.idleSlow()

  2175. 

  2176.         QMainWindow.timerEvent(self, event)

  2177. 

  2178.     # --------------------------------------------------------------------------------------------------------

  2179.     # paint event

  2180. 

  2181.     #def paintEvent(self, event):

  2182.         #QMainWindow.paintEvent(self, event)

  2183. 

  2184.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2185.             #return

  2186. 

  2187.         #painter = QPainter(self)

  2188.         #painter.setBrush(QColor(36, 36, 36))

  2189.         #painter.setPen(QColor(62, 62, 62))

  2190.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2191. 

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

  2193.     # close event

  2194. 

  2195.     def closeEvent(self, event):

  2196.         self.killTimers()

  2197.         self.saveSettings()

  2198. 

  2199.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  2200.             if not self.slot_engineStop(True):

  2201.                 self.fCustomStopAction = 1

  2202.                 event.ignore()

  2203.                 return

  2204. 

  2205.         QMainWindow.closeEvent(self, event)

  2206. 

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

  2208. # Canvas callback

  2209. 

  2210. def canvasCallback(action, value1, value2, valueStr):

  2211.     host = gCarla.gui.host

  2212. 

  2213.     if action == patchcanvas.ACTION_GROUP_INFO:

  2214.         pass

  2215. 

  2216.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  2217.         pass

  2218. 

  2219.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  2220.         groupId = value1

  2221.         patchcanvas.splitGroup(groupId)

  2222.         gCarla.gui.updateMiniCanvasLater()

  2223. 

  2224.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  2225.         groupId = value1

  2226.         patchcanvas.joinGroup(groupId)

  2227.         gCarla.gui.updateMiniCanvasLater()

  2228. 

  2229.     elif action == patchcanvas.ACTION_PORT_INFO:

  2230.         pass

  2231. 

  2232.     elif action == patchcanvas.ACTION_PORT_RENAME:

  2233.         pass

  2234. 

  2235.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  2236.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")]

  2237. 

  2238.         if not host.patchbay_connect(gOut, pOut, gIn, pIn):

  2239.             print("Connection failed:", host.get_last_error())

  2240. 

  2241.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  2242.         connectionId = value1

  2243. 

  2244.         if not host.patchbay_disconnect(connectionId):

  2245.             print("Disconnect failed:", host.get_last_error())

  2246. 

  2247.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  2248.         pluginId = value1

  2249. 

  2250.         if not host.clone_plugin(pluginId):

  2251.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2252.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2253. 

  2254.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  2255.         pluginId = value1

  2256.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2257. 

  2258.         if pwidget is not None:

  2259.             pwidget.showEditDialog()

  2260. 

  2261.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  2262.         pluginId = value1

  2263.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2264. 

  2265.         if pwidget is not None:

  2266.             pwidget.showRenameDialog()

  2267. 

  2268.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  2269.         pluginId = value1

  2270.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2271. 

  2272.         if pwidget is not None:

  2273.             pwidget.showReplaceDialog()

  2274. 

  2275.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  2276.         pluginId = value1

  2277. 

  2278.         if not host.remove_plugin(pluginId):

  2279.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2280.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2281. 

  2282.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  2283.         pluginId = value1

  2284.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2285. 

  2286.         if pwidget is not None:

  2287.             pwidget.showCustomUI()

  2288. 

  2289.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  2290.         gCarla.gui.showPluginActionsMenu()

  2291. 

  2292. # ------------------------------------------------------------------------------------------------------------

  2293. # Engine callback

  2294. 

  2295. def engineCallback(host, action, pluginId, value1, value2, value3, valueStr):

  2296.     # kdevelop likes this :)

  2297.     if False: host = CarlaHostNull()

  2298. 

  2299.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  2300.         host.processMode   = value1

  2301.         host.transportMode = value2

  2302.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2303.         host.processMode   = value1

  2304.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2305.         host.transportMode = value1

  2306. 

  2307.     valueStr = charPtrToString(valueStr)

  2308. 

  2309.     if action == ENGINE_CALLBACK_DEBUG:

  2310.         host.DebugCallback.emit(pluginId, value1, value2, value3, valueStr)

  2311.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  2312.         host.PluginAddedCallback.emit(pluginId, valueStr)

  2313.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  2314.         host.PluginRemovedCallback.emit(pluginId)

  2315.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  2316.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  2317.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  2318.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  2319.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  2320.         host.ParameterValueChangedCallback.emit(pluginId, value1, value3)

  2321.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  2322.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, value3)

  2323.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CC_CHANGED:

  2324.         host.ParameterMidiCcChangedCallback.emit(pluginId, value1, value2)

  2325.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  2326.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  2327.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  2328.         host.ProgramChangedCallback.emit(pluginId, value1)

  2329.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  2330.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  2331.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  2332.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  2333.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  2334.         host.UiStateChangedCallback.emit(pluginId, value1)

  2335.     elif action == ENGINE_CALLBACK_NOTE_ON:

  2336.         host.NoteOnCallback.emit(pluginId, value1, value2, round(value3))

  2337.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  2338.         host.NoteOffCallback.emit(pluginId, value1, value2)

  2339.     elif action == ENGINE_CALLBACK_UPDATE:

  2340.         host.UpdateCallback.emit(pluginId)

  2341.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  2342.         host.ReloadInfoCallback.emit(pluginId)

  2343.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  2344.         host.ReloadParametersCallback.emit(pluginId)

  2345.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  2346.         host.ReloadProgramsCallback.emit(pluginId)

  2347.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  2348.         host.ReloadAllCallback.emit(pluginId)

  2349.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  2350.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  2351.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  2352.         host.PatchbayClientRemovedCallback.emit(pluginId)

  2353.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  2354.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  2355.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  2356.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  2357.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  2358.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, valueStr)

  2359.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  2360.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  2361.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_RENAMED:

  2362.         host.PatchbayPortRenamedCallback.emit(pluginId, value1, valueStr)

  2363.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  2364.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  2365.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  2366.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  2367.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  2368.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  2369.         host.EngineStartedCallback.emit(value1, value2, valueStr)

  2370.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  2371.         host.EngineStoppedCallback.emit()

  2372.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2373.         host.ProcessModeChangedCallback.emit(value1)

  2374.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2375.         host.TransportModeChangedCallback.emit(value1)

  2376.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  2377.         host.BufferSizeChangedCallback.emit(value1)

  2378.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  2379.         host.SampleRateChangedCallback.emit(value3)

  2380.     elif action == ENGINE_CALLBACK_PROJECT_LOAD_FINISHED:

  2381.         host.ProjectLoadFinishedCallback.emit()

  2382.     elif action == ENGINE_CALLBACK_NSM:

  2383.         host.NSMCallback.emit(value1, value2, valueStr)

  2384.     elif action == ENGINE_CALLBACK_IDLE:

  2385.         QApplication.instance().processEvents()

  2386.     elif action == ENGINE_CALLBACK_INFO:

  2387.         host.InfoCallback.emit(valueStr)

  2388.     elif action == ENGINE_CALLBACK_ERROR:

  2389.         host.ErrorCallback.emit(valueStr)

  2390.     elif action == ENGINE_CALLBACK_QUIT:

  2391.         host.QuitCallback.emit()

  2392. 

  2393. # ------------------------------------------------------------------------------------------------------------

  2394. # File callback

  2395. 

  2396. def fileCallback(ptr, action, isDir, title, filter):

  2397.     ret = ("", "") if config_UseQt5 else ""

  2398. 

  2399.     if action == FILE_CALLBACK_DEBUG:

  2400.         pass

  2401.     elif action == FILE_CALLBACK_OPEN:

  2402.         ret = QFileDialog.getOpenFileName(gCarla.gui, charPtrToString(title), "", charPtrToString(filter) ) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  2403.     elif action == FILE_CALLBACK_SAVE:

  2404.         ret = QFileDialog.getSaveFileName(gCarla.gui, charPtrToString(title), "", charPtrToString(filter), QFileDialog.ShowDirsOnly if isDir else 0x0)

  2405. 

  2406.     if config_UseQt5:

  2407.         ret = ret[0]

  2408.     if not ret:

  2409.         return None

  2410. 

  2411.     # FIXME

  2412.     global fileRet

  2413.     fileRet = c_char_p(ret.encode("utf-8"))

  2414.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  2415.     return retval.contents.value

  2416. 

  2417. # ------------------------------------------------------------------------------------------------------------

  2418. # Init host

  2419. 

  2420. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  2421.     pathBinaries, pathResources = getPaths(libPrefix)

  2422. 

  2423.     # --------------------------------------------------------------------------------------------------------

  2424.     # Check if we should open main lib as local or global

  2425. 

  2426.     settings = QSettings("falkTX", "Carla2")

  2427. 

  2428.     try:

  2429.         loadGlobal = settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL, CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL, type=bool)

  2430.     except:

  2431.         loadGlobal = CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL

  2432. 

  2433.     # --------------------------------------------------------------------------------------------------------

  2434.     # Fail if binary dir is not found

  2435. 

  2436.     if not os.path.exists(pathBinaries):

  2437.         if failError:

  2438.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  2439.             sys.exit(1)

  2440.         return

  2441. 

  2442.     # --------------------------------------------------------------------------------------------------------

  2443.     # Set Carla library name

  2444. 

  2445.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  2446.     libname   = os.path.join(pathBinaries, libname)

  2447.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  2448. 

  2449.     # --------------------------------------------------------------------------------------------------------

  2450.     # Print info

  2451. 

  2452.     print("Carla %s started, status:" % VERSION)

  2453.     print("  Python version: %s" % sys.version.split(" ",1)[0])

  2454.     print("  Qt version:     %s" % qVersion())

  2455.     print("  PyQt version:   %s" % PYQT_VERSION_STR)

  2456.     print("  Binary dir:     %s" % pathBinaries)

  2457.     print("  Resources dir:  %s" % pathResources)

  2458. 

  2459.     # --------------------------------------------------------------------------------------------------------

  2460.     # Init host

  2461. 

  2462.     if failError:

  2463.         # no try

  2464.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2465.     else:

  2466.         try:

  2467.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2468.         except:

  2469.             host = CarlaHostQtNull()

  2470. 

  2471.     host.isControl = isControl

  2472.     host.isPlugin  = isPlugin

  2473. 

  2474.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vs: engineCallback(host,a,p,v1,v2,v3,vs))

  2475.     host.set_file_callback(fileCallback)

  2476. 

  2477.     # If it's a plugin the paths are already set

  2478.     if not isPlugin:

  2479.         host.pathBinaries  = pathBinaries

  2480.         host.pathResources = pathResources

  2481.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  2482.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  2483. 

  2484.         if not isControl:

  2485.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  2486. 

  2487.     # --------------------------------------------------------------------------------------------------------

  2488.     # Init utils

  2489. 

  2490.     gCarla.utils = CarlaUtils(utilsname)

  2491.     gCarla.utils.set_process_name(os.path.basename(initName))

  2492. 

  2493.     try:

  2494.         sys.stdout.flush()

  2495.     except:

  2496.         pass

  2497. 

  2498.     sys.stdout = CarlaPrint(False)

  2499.     sys.stderr = CarlaPrint(True)

  2500. 

  2501.     # --------------------------------------------------------------------------------------------------------

  2502.     # Done

  2503. 

  2504.     return host

  2505. 

  2506. # ------------------------------------------------------------------------------------------------------------

  2507. # Load host settings

  2508. 

  2509. def loadHostSettings(host):

  2510.     # kdevelop likes this :)

  2511.     if False: host = CarlaHostNull()

  2512. 

  2513.     settings = QSettings("falkTX", "Carla2")

  2514. 

  2515.     try:

  2516.         host.experimental = settings.value(CARLA_KEY_MAIN_EXPERIMENTAL, CARLA_DEFAULT_MAIN_EXPERIMENTAL, type=bool)

  2517.     except:

  2518.         host.experimental = CARLA_DEFAULT_MAIN_EXPERIMENTAL

  2519. 

  2520.     try:

  2521.         host.exportLV2 = settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2, CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT, type=bool)

  2522.     except:

  2523.         host.exportLV2 = CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT

  2524. 

  2525.     try:

  2526.         host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, type=bool)

  2527.     except:

  2528.         host.manageUIs = CARLA_DEFAULT_MANAGE_UIS

  2529. 

  2530.     try:

  2531.         host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, type=int)

  2532.     except:

  2533.         host.maxParameters = CARLA_DEFAULT_MAX_PARAMETERS

  2534. 

  2535.     try:

  2536.         host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, type=bool)

  2537.     except:

  2538.         host.forceStereo = CARLA_DEFAULT_FORCE_STEREO

  2539. 

  2540.     try:

  2541.         host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, type=bool)

  2542.     except:

  2543.         host.preferPluginBridges = CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES

  2544. 

  2545.     try:

  2546.         host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, type=bool)

  2547.     except:

  2548.         host.preferUIBridges = CARLA_DEFAULT_PREFER_UI_BRIDGES

  2549. 

  2550.     try:

  2551.         host.preventBadBehaviour = settings.value(CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, type=bool)

  2552.     except:

  2553.         host.preventBadBehaviour = CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR

  2554. 

  2555.     try:

  2556.         host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, type=bool)

  2557.     except:

  2558.         host.showLogs = CARLA_DEFAULT_MAIN_SHOW_LOGS

  2559. 

  2560.     try:

  2561.         host.showPluginBridges = settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, type=bool)

  2562.     except:

  2563.         host.showPluginBridges = CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES

  2564. 

  2565.     try:

  2566.         host.showWineBridges = settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, type=bool)

  2567.     except:

  2568.         host.showWineBridges = CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES

  2569. 

  2570.     try:

  2571.         host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, type=int)

  2572.     except:

  2573.         host.uiBridgesTimeout = CARLA_DEFAULT_UI_BRIDGES_TIMEOUT

  2574. 

  2575.     try:

  2576.         host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, type=bool)

  2577.     except:

  2578.         host.uisAlwaysOnTop = CARLA_DEFAULT_UIS_ALWAYS_ON_TOP

  2579. 

  2580.     if host.isPlugin:

  2581.         return

  2582. 

  2583.     # enums

  2584.     if host.audioDriverForced is None:

  2585.         try:

  2586.             host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, type=int)

  2587.         except:

  2588.             host.transportMode = CARLA_DEFAULT_TRANSPORT_MODE

  2589. 

  2590.     if not host.processModeForced:

  2591.         try:

  2592.             host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, type=int)

  2593.         except:

  2594.             host.processMode = CARLA_DEFAULT_PROCESS_MODE

  2595. 

  2596.     host.nextProcessMode = host.processMode

  2597. 

  2598.     # --------------------------------------------------------------------------------------------------------

  2599.     # fix things if needed

  2600. 

  2601.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS and LADISH_APP_NAME:

  2602.         print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  2603.         host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  2604. 

  2605.     # --------------------------------------------------------------------------------------------------------

  2606.     # run headless host now if nogui option enabled

  2607. 

  2608.     if gCarla.nogui:

  2609.         runHostWithoutUI(host)

  2610. 

  2611. # ------------------------------------------------------------------------------------------------------------

  2612. # Set host settings

  2613. 

  2614. def setHostSettings(host):

  2615.     # kdevelop likes this :)

  2616.     if False: host = CarlaHostNull()

  2617. 

  2618.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  2619.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  2620.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  2621.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  2622.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  2623.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  2624.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  2625.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  2626. 

  2627.     if host.isPlugin:

  2628.         return

  2629. 

  2630.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  2631.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       "")

  2632. 

  2633. # ------------------------------------------------------------------------------------------------------------

  2634. # Set Engine settings according to carla preferences. Returns selected audio driver.

  2635. 

  2636. def setEngineSettings(host):

  2637.     # kdevelop likes this :)

  2638.     if False: host = CarlaHostNull()

  2639. 

  2640.     # --------------------------------------------------------------------------------------------------------

  2641.     # do nothing if control

  2642. 

  2643.     if host.isControl:

  2644.         return "Control"

  2645. 

  2646.     # --------------------------------------------------------------------------------------------------------

  2647. 

  2648.     settings = QSettings("falkTX", "Carla2")

  2649. 

  2650.     # --------------------------------------------------------------------------------------------------------

  2651.     # main settings

  2652. 

  2653.     setHostSettings(host)

  2654. 

  2655.     # --------------------------------------------------------------------------------------------------------

  2656.     # plugin paths

  2657. 

  2658.     LADSPA_PATH = toList(settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH))

  2659.     DSSI_PATH   = toList(settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH))

  2660.     LV2_PATH    = toList(settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH))

  2661.     VST2_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST2,   CARLA_DEFAULT_VST2_PATH))

  2662.     VST3_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST3,   CARLA_DEFAULT_VST3_PATH))

  2663.     GIG_PATH    = toList(settings.value(CARLA_KEY_PATHS_GIG,    CARLA_DEFAULT_GIG_PATH))

  2664.     SF2_PATH    = toList(settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH))

  2665.     SFZ_PATH    = toList(settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH))

  2666. 

  2667.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  2668.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  2669.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  2670.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2,   splitter.join(VST2_PATH))

  2671.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST3,   splitter.join(VST3_PATH))

  2672.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_GIG,    splitter.join(GIG_PATH))

  2673.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  2674.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  2675. 

  2676.     # --------------------------------------------------------------------------------------------------------

  2677.     # don't continue if plugin

  2678. 

  2679.     if host.isPlugin:

  2680.         return "Plugin"

  2681. 

  2682.     # --------------------------------------------------------------------------------------------------------

  2683.     # driver and device settings

  2684. 

  2685.     # driver name

  2686.     if host.audioDriverForced is not None:

  2687.         audioDriver = host.audioDriverForced

  2688.     else:

  2689.         try:

  2690.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, type=str)

  2691.         except:

  2692.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  2693. 

  2694.     # driver options

  2695.     try:

  2696.         audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", type=str)

  2697.     except:

  2698.         audioDevice = ""

  2699. 

  2700.     try:

  2701.         audioNumPeriods = settings.value("%s%s/NumPeriods" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_NUM_PERIODS, type=int)

  2702.     except:

  2703.         audioNumPeriods = CARLA_DEFAULT_AUDIO_NUM_PERIODS

  2704. 

  2705.     try:

  2706.         audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, type=int)

  2707.     except:

  2708.         audioBufferSize = CARLA_DEFAULT_AUDIO_BUFFER_SIZE

  2709. 

  2710.     try:

  2711.         audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, type=int)

  2712.     except:

  2713.         audioSampleRate = CARLA_DEFAULT_AUDIO_SAMPLE_RATE

  2714. 

  2715.     host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE,      0,               audioDevice)

  2716.     host.set_engine_option(ENGINE_OPTION_AUDIO_NUM_PERIODS, audioNumPeriods, "")

  2717.     host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  2718.     host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  2719. 

  2720.     # --------------------------------------------------------------------------------------------------------

  2721.     # fix things if needed

  2722. 

  2723.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  2724.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  2725.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, "")

  2726. 

  2727.     # --------------------------------------------------------------------------------------------------------

  2728.     # wine settings

  2729. 

  2730.     optWineExecutable = settings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, type=str)

  2731.     optWineAutoPrefix = settings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, type=bool)

  2732.     optWineFallbackPrefix = settings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, type=str)

  2733.     optWineRtPrioEnabled = settings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, type=bool)

  2734.     optWineBaseRtPrio = settings.value(CARLA_KEY_WINE_BASE_RT_PRIO,   CARLA_DEFAULT_WINE_BASE_RT_PRIO, type=int)

  2735.     optWineServerRtPrio = settings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, type=int)

  2736. 

  2737.     host.set_engine_option(ENGINE_OPTION_WINE_EXECUTABLE, 0, optWineExecutable)

  2738.     host.set_engine_option(ENGINE_OPTION_WINE_AUTO_PREFIX, 1 if optWineAutoPrefix else 0, "")

  2739.     host.set_engine_option(ENGINE_OPTION_WINE_FALLBACK_PREFIX, 0, os.path.expanduser(optWineFallbackPrefix))

  2740.     host.set_engine_option(ENGINE_OPTION_WINE_RT_PRIO_ENABLED, 1 if optWineRtPrioEnabled else 0, "")

  2741.     host.set_engine_option(ENGINE_OPTION_WINE_BASE_RT_PRIO, optWineBaseRtPrio, "")

  2742.     host.set_engine_option(ENGINE_OPTION_WINE_SERVER_RT_PRIO, optWineServerRtPrio, "")

  2743. 

  2744.     # --------------------------------------------------------------------------------------------------------

  2745.     # return selected driver name

  2746. 

  2747.     return audioDriver

  2748. 

  2749. # ------------------------------------------------------------------------------------------------------------

  2750. # Run Carla without showing UI

  2751. 

  2752. def runHostWithoutUI(host):

  2753.     # kdevelop likes this :)

  2754.     if False: host = CarlaHostNull()

  2755. 

  2756.     # --------------------------------------------------------------------------------------------------------

  2757.     # Some initial checks

  2758. 

  2759.     if not gCarla.nogui:

  2760.         return

  2761. 

  2762.     projectFile = getInitialProjectFile(QCoreApplication.instance(), True)

  2763. 

  2764.     if not projectFile:

  2765.         print("Carla no-gui mode can only be used together with a project file.")

  2766.         sys.exit(1)

  2767. 

  2768.     # --------------------------------------------------------------------------------------------------------

  2769.     # Additional imports

  2770. 

  2771.     from time import sleep

  2772. 

  2773.     # --------------------------------------------------------------------------------------------------------

  2774.     # Init engine

  2775. 

  2776.     audioDriver = setEngineSettings(host)

  2777.     if not host.engine_init(audioDriver, "Carla-nogui"):

  2778.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  2779.         sys.exit(1)

  2780. 

  2781.     if not host.load_project(projectFile):

  2782.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  2783.         host.engine_close()

  2784.         sys.exit(1)

  2785. 

  2786.     # --------------------------------------------------------------------------------------------------------

  2787.     # Idle

  2788. 

  2789.     while host.is_engine_running() and not gCarla.term:

  2790.         host.engine_idle()

  2791.         sleep(0.5)

  2792. 

  2793.     # --------------------------------------------------------------------------------------------------------

  2794.     # Stop

  2795. 

  2796.     host.engine_close()

  2797.     sys.exit(0)

  2798. 

  2799. # ------------------------------------------------------------------------------------------------------------