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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. import json

  28. 

  29. if config_UseQt5:

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

  31.     from PyQt5.QtGui import QImage, QPalette

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

  33. else:

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

  35.     from PyQt4.QtGui import QImage, QPalette

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

  37. 

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

  39. # Imports (Custom)

  40. 

  41. import patchcanvas

  42. import ui_carla_host

  43. 

  44. from carla_app import *

  45. from carla_database import *

  46. from carla_settings import *

  47. from carla_utils import *

  48. from carla_widgets import *

  49. 

  50. from digitalpeakmeter import DigitalPeakMeter

  51. from pixmapkeyboard import PixmapKeyboardHArea

  52. 

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

  54. # Try Import OpenGL

  55. 

  56. try:

  57.     if config_UseQt5:

  58.         from PyQt5.QtOpenGL import QGLWidget

  59.     else:

  60.         from PyQt4.QtOpenGL import QGLWidget

  61.     hasGL = True

  62. except:

  63.     hasGL = False

  64. 

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

  66. # Safe exception hook, needed for PyQt5

  67. 

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

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

  70. 

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

  72. # Session Management support

  73. 

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

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

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

  77. 

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

  79. # Carla Print class

  80. 

  81. class CarlaPrint:

  82.     def __init__(self, err):

  83.         self.err = err

  84. 

  85.     def flush(self):

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

  87. 

  88.     def write(self, string):

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

  90. 

  91. # ------------------------------------------------------------------------------------------------------------

  92. # Host Window

  93. 

  94. class HostWindow(QMainWindow):

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

  96.     # signals

  97.     SIGTERM = pyqtSignal()

  98.     SIGUSR1 = pyqtSignal()

  99. 

  100.     # --------------------------------------------------------------------------------------------------------

  101. 

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

  103.         QMainWindow.__init__(self, parent)

  104.         self.host = host

  105.         self.ui = ui_carla_host.Ui_CarlaHostW()

  106.         self.ui.setupUi(self)

  107.         gCarla.gui = self

  108. 

  109.         if False:

  110.             # kdevelop likes this :)

  111.             host = CarlaHostNull()

  112.             self.host = host

  113. 

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

  115. 

  116.         self.fParentOrSelf = parent or self

  117. 

  118.         # ----------------------------------------------------------------------------------------------------

  119.         # Internal stuff

  120. 

  121.         self.fIdleTimerFast = 0

  122.         self.fIdleTimerSlow = 0

  123. 

  124.         self.fLadspaRdfNeedsUpdate = True

  125.         self.fLadspaRdfList = []

  126. 

  127.         self.fPluginCount = 0

  128.         self.fPluginList  = []

  129. 

  130.         self.fProjectFilename  = ""

  131.         self.fIsProjectLoading = False

  132.         self.fCurrentlyRemovingAllPlugins = False

  133. 

  134.         self.fLastTransportBPM   = 0.0

  135.         self.fLastTransportFrame = 0

  136.         self.fLastTransportState = False

  137.         self.fSampleRate         = 0.0

  138. 

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

  140.         # 1 for close carla, 2 for load project

  141.         self.fCustomStopAction = 0

  142. 

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

  144.         self.fFirstEngineInit = True

  145. 

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

  147.         self.fSavedSettings = {}

  148. 

  149.         if host.isControl:

  150.             self.fClientName         = "Carla-Control"

  151.             self.fSessionManagerName = "Control"

  152.         elif host.isPlugin:

  153.             self.fClientName         = "Carla-Plugin"

  154.             self.fSessionManagerName = "Plugin"

  155.         elif LADISH_APP_NAME:

  156.             self.fClientName         = LADISH_APP_NAME

  157.             self.fSessionManagerName = "LADISH"

  158.         elif NSM_URL and host.nsmOK:

  159.             self.fClientName         = "Carla.tmp"

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

  161.         else:

  162.             self.fClientName         = CARLA_CLIENT_NAME or "Carla"

  163.             self.fSessionManagerName = ""

  164. 

  165.         # ----------------------------------------------------------------------------------------------------

  166.         # Internal stuff (patchbay)

  167. 

  168.         self.fExportImage = QImage()

  169. 

  170.         self.fPeaksCleared = True

  171. 

  172.         self.fExternalPatchbay = False

  173.         self.fSelectedPlugins  = []

  174. 

  175.         self.fCanvasWidth  = 0

  176.         self.fCanvasHeight = 0

  177.         self.fMiniCanvasUpdateTimeout = 0

  178. 

  179.         self.fWithCanvas = withCanvas

  180. 

  181.         # ----------------------------------------------------------------------------------------------------

  182.         # Set up GUI (engine stopped)

  183. 

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

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

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

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

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

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

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

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

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

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

  194. 

  195.             if self.host.isControl:

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

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

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

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

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

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

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

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

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

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

  206.             else:

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

  208. 

  209.         else:

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

  211. 

  212.             if WINDOWS:

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

  214. 

  215.         if not self.host.isControl:

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

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

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

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

  220. 

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

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

  223. 

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

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

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

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

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

  229. 

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

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

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

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

  234. 

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

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

  237. 

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

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

  240. 

  241.         if not withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  259.             self.ui.miniCanvasPreview.hide()

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

  261.             if WINDOWS:

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

  263. 

  264.             if host.isControl:

  265.                 self.ui.dockWidget.hide()

  266. 

  267.         # ----------------------------------------------------------------------------------------------------

  268.         # Set up GUI (disk)

  269. 

  270.         self.fDirModel = QFileSystemModel(self)

  271.         self.fDirModel.setRootPath(HOME)

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

  273. 

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

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

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

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

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

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

  280. 

  281.         # ----------------------------------------------------------------------------------------------------

  282.         # Set up GUI (transport)

  283. 

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

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

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

  287. 

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

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

  290. 

  291.         if minLabelWidth < labelTimeWidth:

  292.             minLabelWidth = labelTimeWidth

  293.         if minLabelWidth < labelBBTWidth:

  294.             minLabelWidth = labelBBTWidth

  295. 

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

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

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

  299. 

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

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

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

  303. 

  304.         if host.isControl or host.isPlugin:

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

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

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

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

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

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

  311. 

  312.         if MACOS:

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

  314. 

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

  316. 

  317.         # ----------------------------------------------------------------------------------------------------

  318.         # Set up GUI (rack)

  319. 

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

  321. 

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

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

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

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

  326. 

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

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

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

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

  331. 

  332.         self.ui.rack.setStyleSheet("""

  333.           QLabel#pad_left {

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

  335.             background-repeat: repeat-y;

  336.           }

  337.           QLabel#pad_right {

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

  339.             background-repeat: repeat-y;

  340.           }

  341.           CarlaRackList#CarlaRackList {

  342.             background-color: black;

  343.           }

  344.         """)

  345. 

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

  347.         # Set up GUI (patchbay)

  348. 

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

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

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

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

  353. 

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

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

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

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

  358. 

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

  360.         self.ui.keyboard   = self.ui.scrollArea.keyboard

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

  362. 

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

  364. 

  365.         self.ui.miniCanvasPreview.setRealParent(self)

  366. 

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

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

  369. 

  370.         if MACOS:

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

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

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

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

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

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

  377. 

  378.         # ----------------------------------------------------------------------------------------------------

  379.         # Load Settings

  380. 

  381.         self.loadSettings(True)

  382. 

  383.         # ----------------------------------------------------------------------------------------------------

  384.         # Set-up Canvas

  385. 

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

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

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

  389. 

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

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

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

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

  394. 

  395.         self.setupCanvas()

  396. 

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

  398.         # Connect actions to functions

  399. 

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

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

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

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

  404. 

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

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

  407. 

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

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

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

  411. 

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

  413. 

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

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

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

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

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

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

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

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

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

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

  424. 

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

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

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

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

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

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

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

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

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

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

  435. 

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

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

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

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

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

  441. 

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

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

  444. 

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

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

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

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

  449. 

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

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

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

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

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

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

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

  457. 

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

  459. 

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

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

  462. 

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

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

  465. 

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

  467. 

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

  469. 

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

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

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

  473. 

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

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

  476. 

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

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

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

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

  481. 

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

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

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

  485. 

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

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

  488. 

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

  490. 

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

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

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

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

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

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

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

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

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

  500. 

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

  502. 

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

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

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

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

  507. 

  508.         # ----------------------------------------------------------------------------------------------------

  509.         # Final setup

  510. 

  511.         self.ui.text_logs.clear()

  512.         self.setProperWindowTitle()

  513. 

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

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

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

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

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

  519. 

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

  521.         if self.host.isPlugin:

  522.             self.startTimers()

  523. 

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

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

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

  527. 

  528.         # Load initial project file if set

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

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

  531. 

  532.             if projectFile:

  533.                 self.loadProjectLater(projectFile)

  534. 

  535.         # For NSM we wait for the open message

  536.         if NSM_URL and host.nsmOK:

  537.             host.nsm_ready(-1)

  538.             return

  539. 

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

  541. 

  542.     # --------------------------------------------------------------------------------------------------------

  543.     # Setup

  544. 

  545.     def compactPlugin(self, pluginId):

  546.         if pluginId > self.fPluginCount:

  547.             return

  548. 

  549.         pitem = self.fPluginList[pluginId]

  550. 

  551.         if pitem is None:

  552.             return

  553. 

  554.         pitem.recreateWidget(True)

  555. 

  556.     def setLoadRDFsNeeded(self):

  557.         self.fLadspaRdfNeedsUpdate = True

  558. 

  559.     def setProperWindowTitle(self):

  560.         title = self.fClientName

  561. 

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

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

  564.         if self.fSessionManagerName:

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

  566. 

  567.         self.setWindowTitle(title)

  568. 

  569.     # --------------------------------------------------------------------------------------------------------

  570.     # Files

  571. 

  572.     def makeExtraFilename(self):

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

  574. 

  575.     def loadProjectNow(self):

  576.         if not self.fProjectFilename:

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

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

  579.             return

  580. 

  581.         self.projectLoadingStarted()

  582.         self.fIsProjectLoading = True

  583.         self.host.load_project(self.fProjectFilename)

  584. 

  585.         # Project finished loading is sent by engine

  586. 

  587.     def loadProjectLater(self, filename):

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

  589.         self.setProperWindowTitle()

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

  591. 

  592.     def saveProjectNow(self):

  593.         if not self.fProjectFilename:

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

  595. 

  596.         self.host.save_project(self.fProjectFilename)

  597. 

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

  599.             json.dump({

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

  601.             }, fh)

  602. 

  603.     def projectLoadingStarted(self):

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

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

  606. 

  607.     def projectLoadingFinished(self):

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

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

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

  611. 

  612.         extrafile = self.makeExtraFilename()

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

  614.             return

  615. 

  616.         try:

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

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

  619.         except:

  620.             return

  621. 

  622.         patchcanvas.restoreGroupPositions(canvasdata)

  623. 

  624.     # --------------------------------------------------------------------------------------------------------

  625.     # Files (menu actions)

  626. 

  627.     @pyqtSlot()

  628.     def slot_fileNew(self):

  629.         self.slot_pluginRemoveAll()

  630.         self.fProjectFilename = ""

  631.         self.setProperWindowTitle()

  632. 

  633.     @pyqtSlot()

  634.     def slot_fileOpen(self):

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

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

  637. 

  638.         if config_UseQt5:

  639.             filename = filename[0]

  640.         if not filename:

  641.             return

  642. 

  643.         newFile = True

  644. 

  645.         if self.fPluginCount > 0:

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

  647.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  649. 

  650.         if newFile:

  651.             self.slot_pluginRemoveAll()

  652.             self.fProjectFilename = filename

  653.             self.setProperWindowTitle()

  654.             self.loadProjectNow()

  655.         else:

  656.             filenameOld = self.fProjectFilename

  657.             self.fProjectFilename = filename

  658.             self.loadProjectNow()

  659.             self.fProjectFilename = filenameOld

  660. 

  661.     @pyqtSlot()

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

  663.         if self.fProjectFilename and not saveAs:

  664.             return self.saveProjectNow()

  665. 

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

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

  668. 

  669.         if config_UseQt5:

  670.             filename = filename[0]

  671.         if not filename:

  672.             return

  673. 

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

  675.             filename += ".carxp"

  676. 

  677.         if self.fProjectFilename != filename:

  678.             self.fProjectFilename = filename

  679.             self.setProperWindowTitle()

  680. 

  681.         self.saveProjectNow()

  682. 

  683.     @pyqtSlot()

  684.     def slot_fileSaveAs(self):

  685.         self.slot_fileSave(True)

  686. 

  687.     @pyqtSlot()

  688.     def slot_loadProjectNow(self):

  689.         self.loadProjectNow()

  690. 

  691.     # --------------------------------------------------------------------------------------------------------

  692.     # Engine (menu actions)

  693. 

  694.     @pyqtSlot()

  695.     def slot_engineStart(self):

  696.         audioDriver = setEngineSettings(self.host)

  697.         firstInit   = self.fFirstEngineInit

  698. 

  699.         self.fFirstEngineInit = False

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

  701. 

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

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

  704.             return

  705. 

  706.         elif firstInit:

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

  708.             return

  709. 

  710.         audioError = self.host.get_last_error()

  711. 

  712.         if audioError:

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

  714.         else:

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

  716. 

  717.     @pyqtSlot()

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

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

  720. 

  721.         if self.fPluginCount == 0:

  722.             self.engineStopFinal()

  723.             return True

  724. 

  725.         if not forced:

  726.             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"

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

  728.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  729.             if ask != QMessageBox.Yes:

  730.                 return False

  731. 

  732.         return self.slot_engineStopTryAgain()

  733. 

  734.     @pyqtSlot()

  735.     def slot_engineStopTryAgain(self):

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

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

  738.             return False

  739. 

  740.         self.engineStopFinal()

  741.         return True

  742. 

  743.     def engineStopFinal(self):

  744.         self.killTimers()

  745.         self.removeAllPlugins()

  746. 

  747.         if self.host.is_engine_running():

  748.             self.host.remove_all_plugins()

  749. 

  750.             if self.host.engine_close():

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

  752.             else:

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

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

  755. 

  756.         if self.fCustomStopAction == 1:

  757.             self.close()

  758.         elif self.fCustomStopAction == 2:

  759.             self.slot_engineStart()

  760.             self.loadProjectNow()

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

  762. 

  763.         self.fCustomStopAction = 0

  764. 

  765.     # --------------------------------------------------------------------------------------------------------

  766.     # Engine (host callbacks)

  767. 

  768.     @pyqtSlot(int, int, str)

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

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

  771. 

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

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

  774. 

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

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

  777. 

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

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

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

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

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

  783.         else:

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

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

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

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

  788. 

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

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

  791. 

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

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

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

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

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

  797.             self.ui.w_transport.setEnabled(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  798. 

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

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

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

  802. 

  803.         self.refreshTransport(True)

  804. 

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

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

  807. 

  808.         self.startTimers()

  809. 

  810.     @pyqtSlot()

  811.     def slot_handleEngineStoppedCallback(self):

  812.         patchcanvas.clear()

  813.         self.killTimers()

  814. 

  815.         # just in case

  816.         self.removeAllPlugins()

  817. 

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

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

  820. 

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

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

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

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

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

  826. 

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

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

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

  830. 

  831.     @pyqtSlot(float)

  832.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  833.         self.fSampleRate = newSampleRate

  834.         self.refreshTransport(True)

  835. 

  836.     @pyqtSlot()

  837.     def slot_handleProjectLoadFinishedCallback(self):

  838.         self.fIsProjectLoading = False

  839.         self.projectLoadingFinished()

  840. 

  841.     # --------------------------------------------------------------------------------------------------------

  842.     # Plugins

  843. 

  844.     def removeAllPlugins(self):

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

  846.         patchcanvas.handleAllPluginsRemoved()

  847. 

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

  849.             pass

  850. 

  851.         self.clearSideStuff()

  852. 

  853.         for pitem in self.fPluginList:

  854.             if pitem is None:

  855.                 continue

  856. 

  857.             pitem.close()

  858.             del pitem

  859. 

  860.         self.fPluginCount = 0

  861.         self.fPluginList  = []

  862. 

  863.     # --------------------------------------------------------------------------------------------------------

  864.     # Plugins (menu actions)

  865. 

  866.     def showAddPluginDialog(self):

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

  868. 

  869.         if not dialog.exec_():

  870.             return

  871. 

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

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

  874.             return

  875. 

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

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

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

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

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

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

  882. 

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

  884. 

  885.     def showAddJackAppDialog(self):

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

  887. 

  888.         if not dialog.exec_():

  889.             return

  890. 

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

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

  893.             return

  894. 

  895.         return dialog.getCommandAndFlags()

  896. 

  897.     @pyqtSlot()

  898.     def showPluginActionsMenu(self):

  899.         menu = QMenu(self)

  900. 

  901.         if config_UseQt5:

  902.             menu.addSection("Plugins")

  903.         else:

  904.             # fake section

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

  906.             font = act.font()

  907.             font.setBold(True)

  908.             act.setFont(font)

  909.             act.setEnabled(False)

  910.             menu.addSeparator()

  911. 

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

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

  914. 

  915.         if config_UseQt5:

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

  917.         else:

  918.             # fake space

  919.             act  = menu.addAction(" ")

  920.             font = act.font()

  921.             font.setBold(True)

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

  923.             act.setEnabled(False)

  924. 

  925.             # fake section

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

  927.             font = act.font()

  928.             font.setBold(True)

  929.             act.setFont(font)

  930.             act.setEnabled(False)

  931.             menu.addSeparator()

  932. 

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

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

  935.         menu.addSeparator()

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

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

  938.         menu.addSeparator()

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

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

  941.         menu.addSeparator()

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

  943.         menu.addSeparator()

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

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

  946. 

  947.         menu.exec_(QCursor.pos())

  948. 

  949.     @pyqtSlot()

  950.     def slot_pluginAdd(self):

  951.         data = self.showAddPluginDialog()

  952. 

  953.         if data is None:

  954.             return

  955. 

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

  957. 

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

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

  960. 

  961.     @pyqtSlot()

  962.     def slot_pluginRemoveAll(self):

  963.         if self.fPluginCount == 0:

  964.             return

  965. 

  966.         # FIXME - this is not working

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

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

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

  970.             self.projectLoadingStarted()

  971. 

  972.             app = QApplication.instance()

  973.             app.processEvents()

  974. 

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

  976.                 self.host.remove_plugin(i)

  977.                 app.processEvents()

  978. 

  979.             self.projectLoadingFinished()

  980. 

  981.         self.fCurrentlyRemovingAllPlugins = True

  982.         ok = self.host.remove_all_plugins()

  983.         self.fCurrentlyRemovingAllPlugins = False

  984. 

  985.         if ok:

  986.             self.removeAllPlugins()

  987.         else:

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

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

  990. 

  991.         self.fCurrentlyRemovingAllPlugins = False

  992. 

  993.     @pyqtSlot()

  994.     def slot_jackAppAdd(self):

  995.         data = self.showAddJackAppDialog()

  996. 

  997.         if data is None:

  998.             return

  999. 

  1000.         filename, name, label = data

  1001. 

  1002.         if not filename:

  1003.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Cannot add jack application"),

  1004.                                    self.tr("command is empty"), QMessageBox.Ok, QMessageBox.Ok)

  1005.             return

  1006. 

  1007.         if not self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, filename, name, label, 0, None, 0x0):

  1008.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1009.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1010. 

  1011.     # --------------------------------------------------------------------------------------------------------

  1012.     # Plugins (macros)

  1013. 

  1014.     @pyqtSlot()

  1015.     def slot_pluginsEnable(self):

  1016.         if not self.host.is_engine_running():

  1017.             return

  1018. 

  1019.         for pitem in self.fPluginList:

  1020.             if pitem is None:

  1021.                 break

  1022. 

  1023.             pitem.getWidget().setActive(True, True, True)

  1024. 

  1025.     @pyqtSlot()

  1026.     def slot_pluginsDisable(self):

  1027.         if not self.host.is_engine_running():

  1028.             return

  1029. 

  1030.         for pitem in self.fPluginList:

  1031.             if pitem is None:

  1032.                 break

  1033. 

  1034.             pitem.getWidget().setActive(False, True, True)

  1035. 

  1036.     @pyqtSlot()

  1037.     def slot_pluginsVolume100(self):

  1038.         if not self.host.is_engine_running():

  1039.             return

  1040. 

  1041.         for pitem in self.fPluginList:

  1042.             if pitem is None:

  1043.                 break

  1044. 

  1045.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 1.0)

  1046. 

  1047.     @pyqtSlot()

  1048.     def slot_pluginsMute(self):

  1049.         if not self.host.is_engine_running():

  1050.             return

  1051. 

  1052.         for pitem in self.fPluginList:

  1053.             if pitem is None:

  1054.                 break

  1055. 

  1056.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 0.0)

  1057. 

  1058.     @pyqtSlot()

  1059.     def slot_pluginsWet100(self):

  1060.         if not self.host.is_engine_running():

  1061.             return

  1062. 

  1063.         for pitem in self.fPluginList:

  1064.             if pitem is None:

  1065.                 break

  1066. 

  1067.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 1.0)

  1068. 

  1069.     @pyqtSlot()

  1070.     def slot_pluginsBypass(self):

  1071.         if not self.host.is_engine_running():

  1072.             return

  1073. 

  1074.         for pitem in self.fPluginList:

  1075.             if pitem is None:

  1076.                 break

  1077. 

  1078.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 0.0)

  1079. 

  1080.     @pyqtSlot()

  1081.     def slot_pluginsCenter(self):

  1082.         if not self.host.is_engine_running():

  1083.             return

  1084. 

  1085.         for pitem in self.fPluginList:

  1086.             if pitem is None:

  1087.                 break

  1088. 

  1089.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1090.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1091.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1092. 

  1093.     @pyqtSlot()

  1094.     def slot_pluginsCompact(self):

  1095.         for pitem in self.fPluginList:

  1096.             if pitem is None:

  1097.                 break

  1098.             pitem.compact()

  1099. 

  1100.     @pyqtSlot()

  1101.     def slot_pluginsExpand(self):

  1102.         for pitem in self.fPluginList:

  1103.             if pitem is None:

  1104.                 break

  1105.             pitem.expand()

  1106. 

  1107.     # --------------------------------------------------------------------------------------------------------

  1108.     # Plugins (host callbacks)

  1109. 

  1110.     @pyqtSlot(int, str)

  1111.     def slot_handlePluginAddedCallback(self, pluginId, pluginName):

  1112.         pitem = self.ui.listWidget.createItem(pluginId, self.fSavedSettings[CARLA_KEY_MAIN_USE_CUSTOM_SKINS])

  1113. 

  1114.         self.fPluginList.append(pitem)

  1115.         self.fPluginCount += 1

  1116. 

  1117.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1118. 

  1119.     @pyqtSlot(int)

  1120.     def slot_handlePluginRemovedCallback(self, pluginId):

  1121.         patchcanvas.handlePluginRemoved(pluginId)

  1122. 

  1123.         if pluginId in self.fSelectedPlugins:

  1124.             self.clearSideStuff()

  1125. 

  1126.         pitem = self.getPluginItem(pluginId)

  1127. 

  1128.         self.fPluginCount -= 1

  1129.         self.fPluginList.pop(pluginId)

  1130.         self.ui.listWidget.takeItem(pluginId)

  1131. 

  1132.         if pitem is not None:

  1133.             pitem.close()

  1134.             del pitem

  1135. 

  1136.         # push all plugins 1 slot back

  1137.         for i in range(pluginId, self.fPluginCount):

  1138.             pitem = self.fPluginList[i]

  1139.             pitem.setPluginId(i)

  1140. 

  1141.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1142. 

  1143.     # --------------------------------------------------------------------------------------------------------

  1144.     # Canvas

  1145. 

  1146.     def clearSideStuff(self):

  1147.         self.scene.clearSelection()

  1148. 

  1149.         self.fSelectedPlugins = []

  1150. 

  1151.         self.ui.keyboard.allNotesOff(False)

  1152.         self.ui.scrollArea.setEnabled(False)

  1153. 

  1154.         self.fPeaksCleared = True

  1155.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1156.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1157.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1158.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1159. 

  1160.     def setupCanvas(self):

  1161.         pOptions = patchcanvas.options_t()

  1162.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1163.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1164.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1165.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1166.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1167. 

  1168.         if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY]:

  1169.             pOptions.eyecandy      = patchcanvas.EYECANDY_FULL

  1170.         elif self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]:

  1171.             pOptions.eyecandy      = patchcanvas.EYECANDY_SMALL

  1172.         else:

  1173.             pOptions.eyecandy      = patchcanvas.EYECANDY_NONE

  1174. 

  1175.         pFeatures = patchcanvas.features_t()

  1176.         pFeatures.group_info   = False

  1177.         pFeatures.group_rename = False

  1178.         pFeatures.port_info    = False

  1179.         pFeatures.port_rename  = False

  1180.         pFeatures.handle_group_pos = True

  1181. 

  1182.         patchcanvas.setOptions(pOptions)

  1183.         patchcanvas.setFeatures(pFeatures)

  1184.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1185. 

  1186.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1187. 

  1188.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1189.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1190.             self.fCanvasHeight = int(tryCanvasSize[1])

  1191.         else:

  1192.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1193.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1194. 

  1195.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1196.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1197.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1198. 

  1199.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1200.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1201. 

  1202.     def updateCanvasInitialPos(self):

  1203.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1204.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1205.         patchcanvas.setInitialPos(x, y)

  1206. 

  1207.     def updateMiniCanvasLater(self):

  1208.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1209. 

  1210.     # --------------------------------------------------------------------------------------------------------

  1211.     # Canvas (menu actions)

  1212. 

  1213.     @pyqtSlot()

  1214.     def slot_canvasShowInternal(self):

  1215.         self.fExternalPatchbay = False

  1216.         self.ui.act_canvas_show_internal.blockSignals(True)

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

  1218.         self.ui.act_canvas_show_internal.setChecked(True)

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

  1220.         self.ui.act_canvas_show_internal.blockSignals(False)

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

  1222.         self.slot_canvasRefresh()

  1223. 

  1224.     @pyqtSlot()

  1225.     def slot_canvasShowExternal(self):

  1226.         self.fExternalPatchbay = True

  1227.         self.ui.act_canvas_show_internal.blockSignals(True)

  1228.         self.ui.act_canvas_show_external.blockSignals(True)

  1229.         self.ui.act_canvas_show_internal.setChecked(False)

  1230.         self.ui.act_canvas_show_external.setChecked(True)

  1231.         self.ui.act_canvas_show_internal.blockSignals(False)

  1232.         self.ui.act_canvas_show_external.blockSignals(False)

  1233.         self.slot_canvasRefresh()

  1234. 

  1235.     @pyqtSlot()

  1236.     def slot_canvasArrange(self):

  1237.         patchcanvas.arrange()

  1238. 

  1239.     @pyqtSlot()

  1240.     def slot_canvasRefresh(self):

  1241.         patchcanvas.clear()

  1242. 

  1243.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and (self.host.isControl or self.host.isPlugin):

  1244.             return

  1245. 

  1246.         if self.host.is_engine_running():

  1247.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1248. 

  1249.         self.updateMiniCanvasLater()

  1250. 

  1251.     @pyqtSlot()

  1252.     def slot_canvasZoomFit(self):

  1253.         self.scene.zoom_fit()

  1254. 

  1255.     @pyqtSlot()

  1256.     def slot_canvasZoomIn(self):

  1257.         self.scene.zoom_in()

  1258. 

  1259.     @pyqtSlot()

  1260.     def slot_canvasZoomOut(self):

  1261.         self.scene.zoom_out()

  1262. 

  1263.     @pyqtSlot()

  1264.     def slot_canvasZoomReset(self):

  1265.         self.scene.zoom_reset()

  1266. 

  1267.     @pyqtSlot()

  1268.     def slot_canvasSaveImage(self):

  1269.         newPath = QFileDialog.getSaveFileName(self, self.tr("Save Image"), filter=self.tr("PNG Image (*.png);;JPEG Image (*.jpg)"))

  1270. 

  1271.         if config_UseQt5:

  1272.             newPath = newPath[0]

  1273.         if not newPath:

  1274.             return

  1275. 

  1276.         self.scene.clearSelection()

  1277. 

  1278.         if newPath.lower().endswith((".jpg", ".jpeg")):

  1279.             imgFormat = "JPG"

  1280.         elif newPath.lower().endswith((".png",)):

  1281.             imgFormat = "PNG"

  1282.         else:

  1283.             # File-dialog may not auto-add the extension

  1284.             imgFormat = "PNG"

  1285.             newPath  += ".png"

  1286. 

  1287.         self.fExportImage = QImage(self.scene.sceneRect().width(), self.scene.sceneRect().height(), QImage.Format_RGB32)

  1288.         painter = QPainter(self.fExportImage)

  1289.         painter.save()

  1290.         painter.setRenderHint(QPainter.Antialiasing) # TODO - set true, cleanup this

  1291.         painter.setRenderHint(QPainter.TextAntialiasing)

  1292.         self.scene.render(painter)

  1293.         self.fExportImage.save(newPath, imgFormat, 100)

  1294.         painter.restore()

  1295. 

  1296.     # --------------------------------------------------------------------------------------------------------

  1297.     # Canvas (canvas callbacks)

  1298. 

  1299.     @pyqtSlot(int, int, QPointF)

  1300.     def slot_canvasItemMoved(self, group_id, split_mode, pos):

  1301.         self.updateMiniCanvasLater()

  1302. 

  1303.     @pyqtSlot(float)

  1304.     def slot_canvasScaleChanged(self, scale):

  1305.         self.ui.miniCanvasPreview.setViewScale(scale)

  1306. 

  1307.     @pyqtSlot(list)

  1308.     def slot_canvasPluginSelected(self, pluginList):

  1309.         self.ui.keyboard.allNotesOff(False)

  1310.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1311.         self.fSelectedPlugins = pluginList

  1312. 

  1313.     # --------------------------------------------------------------------------------------------------------

  1314.     # Canvas (host callbacks)

  1315. 

  1316.     @pyqtSlot(int, int, int, str)

  1317.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1318.         pcSplit = patchcanvas.SPLIT_UNDEF

  1319.         pcIcon  = patchcanvas.ICON_APPLICATION

  1320. 

  1321.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1322.             pcIcon = patchcanvas.ICON_PLUGIN

  1323.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1324.             pcIcon = patchcanvas.ICON_HARDWARE

  1325.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1326.             pass

  1327.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1328.             pcIcon = patchcanvas.ICON_DISTRHO

  1329.         elif clientIcon == PATCHBAY_ICON_FILE:

  1330.             pcIcon = patchcanvas.ICON_FILE

  1331. 

  1332.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1333. 

  1334.         self.updateMiniCanvasLater()

  1335. 

  1336.         if pluginId < 0:

  1337.             return

  1338.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1339.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1340.             return

  1341. 

  1342.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1343.             hasCustomUI = False

  1344.         else:

  1345.             hasCustomUI = bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI)

  1346. 

  1347.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI)

  1348. 

  1349.     @pyqtSlot(int)

  1350.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1351.         patchcanvas.removeGroup(clientId)

  1352.         self.updateMiniCanvasLater()

  1353. 

  1354.     @pyqtSlot(int, str)

  1355.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1356.         patchcanvas.renameGroup(clientId, newClientName)

  1357.         self.updateMiniCanvasLater()

  1358. 

  1359.     @pyqtSlot(int, int, int)

  1360.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1361.         pcIcon = patchcanvas.ICON_APPLICATION

  1362. 

  1363.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1364.             pcIcon = patchcanvas.ICON_PLUGIN

  1365.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1366.             pcIcon = patchcanvas.ICON_HARDWARE

  1367.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1368.             pass

  1369.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1370.             pcIcon = patchcanvas.ICON_DISTRHO

  1371.         elif clientIcon == PATCHBAY_ICON_FILE:

  1372.             pcIcon = patchcanvas.ICON_FILE

  1373. 

  1374.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1375.         self.updateMiniCanvasLater()

  1376. 

  1377.         if pluginId < 0:

  1378.             return

  1379.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1380.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1381.             return

  1382. 

  1383.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1384.             hasCustomUI = False

  1385.         else:

  1386.             hasCustomUI = bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI)

  1387. 

  1388.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI)

  1389. 

  1390.     @pyqtSlot(int, int, int, str)

  1391.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portName):

  1392.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1393.             portMode = patchcanvas.PORT_MODE_INPUT

  1394.         else:

  1395.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1396. 

  1397.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1398.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1399.             isAlternate = False

  1400.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1401.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1402.             isAlternate = True

  1403.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1404.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1405.             isAlternate = False

  1406.         else:

  1407.             portType    = patchcanvas.PORT_TYPE_NULL

  1408.             isAlternate = False

  1409. 

  1410.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1411.         self.updateMiniCanvasLater()

  1412. 

  1413.     @pyqtSlot(int, int)

  1414.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  1415.         patchcanvas.removePort(groupId, portId)

  1416.         self.updateMiniCanvasLater()

  1417. 

  1418.     @pyqtSlot(int, int, str)

  1419.     def slot_handlePatchbayPortRenamedCallback(self, groupId, portId, newPortName):

  1420.         patchcanvas.renamePort(groupId, portId, newPortName)

  1421.         self.updateMiniCanvasLater()

  1422. 

  1423.     @pyqtSlot(int, int, int, int, int)

  1424.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1425.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1426.         self.updateMiniCanvasLater()

  1427. 

  1428.     @pyqtSlot(int, int, int)

  1429.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1430.         patchcanvas.disconnectPorts(connectionId)

  1431.         self.updateMiniCanvasLater()

  1432. 

  1433.     # --------------------------------------------------------------------------------------------------------

  1434.     # Settings

  1435. 

  1436.     def saveSettings(self):

  1437.         settings = QSettings()

  1438. 

  1439.         settings.setValue("Geometry", self.saveGeometry())

  1440. 

  1441.         #settings.setValue("SplitterState", self.ui.splitter.saveState())

  1442. 

  1443.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  1444. 

  1445.         settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  1446. 

  1447.         diskFolders = []

  1448. 

  1449.         for i in range(self.ui.cb_disk.count()):

  1450.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1451. 

  1452.         settings.setValue("DiskFolders", diskFolders)

  1453. 

  1454.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1455.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1456.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1457.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1458. 

  1459.     def loadSettings(self, firstTime):

  1460.         settings = QSettings()

  1461. 

  1462.         if firstTime:

  1463.             self.restoreGeometry(settings.value("Geometry", b""))

  1464. 

  1465.             showToolbar = settings.value("ShowToolbar", True, type=bool)

  1466.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1467.             self.ui.toolBar.setEnabled(showToolbar)

  1468.             self.ui.toolBar.setVisible(showToolbar)

  1469. 

  1470.             #if settings.contains("SplitterState"):

  1471.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  1472.             #else:

  1473.                 #self.ui.splitter.setSizes([210, 99999])

  1474. 

  1475.             showSidePanel = settings.value("ShowSidePanel", True, type=bool)

  1476.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  1477.             self.ui.dockWidget.setEnabled(showSidePanel)

  1478.             self.ui.dockWidget.setVisible(showSidePanel)

  1479. 

  1480.             diskFolders = toList(settings.value("DiskFolders", [HOME]))

  1481. 

  1482.             self.ui.cb_disk.setItemData(0, HOME)

  1483. 

  1484.             for i in range(len(diskFolders)):

  1485.                 if i == 0: continue

  1486.                 folder = diskFolders[i]

  1487.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1488. 

  1489.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, type=bool):

  1490.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1491. 

  1492.             showMeters = settings.value("ShowMeters", False, type=bool)

  1493.             self.ui.act_settings_show_meters.setChecked(showMeters)

  1494.             self.ui.peak_in.setVisible(showMeters)

  1495.             self.ui.peak_out.setVisible(showMeters)

  1496. 

  1497.             showKeyboard = settings.value("ShowKeyboard", not(MACOS or WINDOWS), type=bool)

  1498.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  1499.             self.ui.scrollArea.setVisible(showKeyboard)

  1500. 

  1501.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  1502. 

  1503.         # TODO - complete this

  1504. 

  1505.         self.fSavedSettings = {

  1506.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      type=str),

  1507.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    type=int),

  1508.             CARLA_KEY_MAIN_USE_CUSTOM_SKINS:    settings.value(CARLA_KEY_MAIN_USE_CUSTOM_SKINS,    CARLA_DEFAULT_MAIN_USE_CUSTOM_SKINS,    type=bool),

  1509.             CARLA_KEY_MAIN_EXPERIMENTAL:        settings.value(CARLA_KEY_MAIN_EXPERIMENTAL,        CARLA_DEFAULT_MAIN_EXPERIMENTAL,        type=bool),

  1510.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             type=str),

  1511.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              type=str),

  1512.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  type=bool),

  1513.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, type=bool),

  1514.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  type=bool),

  1515.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         type=bool),

  1516.             CARLA_KEY_CANVAS_FANCY_EYE_CANDY:   settings.value(CARLA_KEY_CANVAS_FANCY_EYE_CANDY,   CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY,   type=bool),

  1517.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        type=bool),

  1518.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      type=int),

  1519.             CARLA_KEY_CANVAS_HQ_ANTIALIASING:   settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   type=bool),

  1520.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   type=bool) and

  1521.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", type=str).lower() == "black"),

  1522.         }

  1523. 

  1524.         settings = QSettings("falkTX", "Carla2")

  1525. 

  1526.         if self.host.experimental:

  1527.             self.ui.act_add_jack.setVisible(settings.value(CARLA_KEY_EXPERIMENTAL_JACK_APPS,

  1528.                                                            CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS, type=bool))

  1529.         else:

  1530.             self.ui.act_add_jack.setVisible(False)

  1531. 

  1532.         if not (self.host.isControl or self.host.isPlugin):

  1533.             if self.host.experimental:

  1534.                 if settings.value(CARLA_KEY_EXPERIMENTAL_TRANSPORT, CARLA_DEFAULT_EXPERIMENTAL_TRANSPORT, type=bool):

  1535.                     if self.ui.cb_transport_jack.isChecked():

  1536.                         transportMode = ENGINE_TRANSPORT_MODE_JACK

  1537.                     else:

  1538.                         transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  1539.                     transportExtra = ":link:" if self.ui.cb_transport_link.isChecked() else ""

  1540.                 else:

  1541.                     # Stop transport if becoming disabled

  1542.                     if self.ui.w_transport.isEnabled() and self.host.is_engine_running():

  1543.                         self.host.transport_pause()

  1544.                         self.host.transport_relocate(0)

  1545.                         self.host.transport_pause()

  1546. 

  1547.                     transportMode  = ENGINE_TRANSPORT_MODE_DISABLED

  1548.                     transportExtra = ""

  1549. 

  1550.                 self.ui.w_transport.setEnabled(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1551.                 self.host.transportMode = transportMode

  1552.                 self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, transportMode, transportExtra)

  1553. 

  1554.             else:

  1555.                 self.ui.w_transport.setEnabled(False)

  1556. 

  1557.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY] else 0

  1558. 

  1559.         setEngineSettings(self.host)

  1560.         self.restartTimersIfNeeded()

  1561. 

  1562.     # --------------------------------------------------------------------------------------------------------

  1563.     # Settings (helpers)

  1564. 

  1565.     @pyqtSlot()

  1566.     def slot_restoreCanvasScrollbarValues(self):

  1567.         settings = QSettings()

  1568.         self.ui.graphicsView.horizontalScrollBar().setValue(settings.value("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().maximum()/2, type=int))

  1569.         self.ui.graphicsView.verticalScrollBar().setValue(settings.value("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().maximum()/2, type=int))

  1570. 

  1571.     # --------------------------------------------------------------------------------------------------------

  1572.     # Settings (menu actions)

  1573. 

  1574.     @pyqtSlot(bool)

  1575.     def slot_showSidePanel(self, yesNo):

  1576.         self.ui.dockWidget.setEnabled(yesNo)

  1577.         self.ui.dockWidget.setVisible(yesNo)

  1578. 

  1579.     @pyqtSlot(bool)

  1580.     def slot_showToolbar(self, yesNo):

  1581.         self.ui.toolBar.setEnabled(yesNo)

  1582.         self.ui.toolBar.setVisible(yesNo)

  1583. 

  1584.     @pyqtSlot(bool)

  1585.     def slot_showCanvasMeters(self, yesNo):

  1586.         self.ui.peak_in.setVisible(yesNo)

  1587.         self.ui.peak_out.setVisible(yesNo)

  1588.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1589. 

  1590.     @pyqtSlot(bool)

  1591.     def slot_showCanvasKeyboard(self, yesNo):

  1592.         self.ui.scrollArea.setVisible(yesNo)

  1593.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1594. 

  1595.     @pyqtSlot()

  1596.     def slot_configureCarla(self):

  1597.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  1598.         if not dialog.exec_():

  1599.             return

  1600. 

  1601.         self.loadSettings(False)

  1602. 

  1603.         patchcanvas.clear()

  1604. 

  1605.         self.setupCanvas()

  1606.         self.slot_miniCanvasCheckAll()

  1607. 

  1608.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1609.             pass

  1610.         elif self.host.is_engine_running():

  1611.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1612. 

  1613.         for pitem in self.fPluginList:

  1614.             if pitem is None:

  1615.                 break

  1616.             pitem.setUsingSkins(self.fSavedSettings[CARLA_KEY_MAIN_USE_CUSTOM_SKINS])

  1617.             pitem.recreateWidget()

  1618. 

  1619.     # --------------------------------------------------------------------------------------------------------

  1620.     # About (menu actions)

  1621. 

  1622.     @pyqtSlot()

  1623.     def slot_aboutCarla(self):

  1624.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  1625. 

  1626.     @pyqtSlot()

  1627.     def slot_aboutQt(self):

  1628.         QApplication.instance().aboutQt()

  1629. 

  1630.     # --------------------------------------------------------------------------------------------------------

  1631.     # Disk (menu actions)

  1632. 

  1633.     @pyqtSlot(int)

  1634.     def slot_diskFolderChanged(self, index):

  1635.         if index < 0:

  1636.             return

  1637.         elif index == 0:

  1638.             filename = HOME

  1639.             self.ui.b_disk_remove.setEnabled(False)

  1640.         else:

  1641.             filename = self.ui.cb_disk.itemData(index)

  1642.             self.ui.b_disk_remove.setEnabled(True)

  1643. 

  1644.         self.fDirModel.setRootPath(filename)

  1645.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  1646. 

  1647.     @pyqtSlot()

  1648.     def slot_diskFolderAdd(self):

  1649.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  1650. 

  1651.         if newPath:

  1652.             if newPath[-1] == os.sep:

  1653.                 newPath = newPath[:-1]

  1654.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  1655.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  1656.             self.ui.b_disk_remove.setEnabled(True)

  1657. 

  1658.     @pyqtSlot()

  1659.     def slot_diskFolderRemove(self):

  1660.         index = self.ui.cb_disk.currentIndex()

  1661. 

  1662.         if index <= 0:

  1663.             return

  1664. 

  1665.         self.ui.cb_disk.removeItem(index)

  1666. 

  1667.         if self.ui.cb_disk.currentIndex() == 0:

  1668.             self.ui.b_disk_remove.setEnabled(False)

  1669. 

  1670.     @pyqtSlot(QModelIndex)

  1671.     def slot_fileTreeDoubleClicked(self, modelIndex):

  1672.         filename = self.fDirModel.filePath(modelIndex)

  1673. 

  1674.         if not self.ui.listWidget.isDragUrlValid(filename):

  1675.             return

  1676. 

  1677.         if not self.host.load_file(filename):

  1678.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  1679.                              self.tr("Failed to load file"),

  1680.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1681. 

  1682.     # --------------------------------------------------------------------------------------------------------

  1683.     # Transport

  1684. 

  1685.     def refreshTransport(self, forced = False):

  1686.         if not self.isVisible():

  1687.             return

  1688.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  1689.             return

  1690. 

  1691.         timeInfo = self.host.get_transport_info()

  1692.         playing  = timeInfo['playing']

  1693.         frame    = timeInfo['frame']

  1694.         bpm      = timeInfo['bpm']

  1695. 

  1696.         if playing != self.fLastTransportState or forced:

  1697.             if playing:

  1698.                 icon = getIcon("media-playback-pause")

  1699.                 self.ui.b_transport_play.setChecked(True)

  1700.                 self.ui.b_transport_play.setIcon(icon)

  1701.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  1702.             else:

  1703.                 icon = getIcon("media-playback-start")

  1704.                 self.ui.b_transport_play.setChecked(False)

  1705.                 self.ui.b_transport_play.setIcon(icon)

  1706.                 #self.ui.b_play.setText(self.tr("&Play"))

  1707. 

  1708.             self.fLastTransportState = playing

  1709. 

  1710.         if frame != self.fLastTransportFrame or forced:

  1711.             self.fLastTransportFrame = frame

  1712. 

  1713.             time = frame / self.fSampleRate

  1714.             secs =  time % 60

  1715.             mins = (time / 60) % 60

  1716.             hrs  = (time / 3600) % 60

  1717.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  1718. 

  1719.             frame1 =  frame % 1000

  1720.             frame2 = (frame / 1000) % 1000

  1721.             frame3 = (frame / 1000000) % 1000

  1722.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  1723. 

  1724.             bar  = timeInfo['bar']

  1725.             beat = timeInfo['beat']

  1726.             tick = timeInfo['tick']

  1727.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  1728. 

  1729.         if bpm != self.fLastTransportBPM or forced:

  1730.             self.fLastTransportBPM = bpm

  1731. 

  1732.             if bpm > 0.0:

  1733.                 self.ui.dsb_transport_bpm.blockSignals(True)

  1734.                 self.ui.dsb_transport_bpm.setValue(bpm)

  1735.                 self.ui.dsb_transport_bpm.blockSignals(False)

  1736.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  1737.             else:

  1738.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  1739. 

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

  1741.     # Transport (menu actions)

  1742. 

  1743.     @pyqtSlot(bool)

  1744.     def slot_transportPlayPause(self, toggled):

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

  1746.             return

  1747. 

  1748.         if toggled:

  1749.             self.host.transport_play()

  1750.         else:

  1751.             self.host.transport_pause()

  1752. 

  1753.         self.refreshTransport()

  1754. 

  1755.     @pyqtSlot()

  1756.     def slot_transportStop(self):

  1757.         if self.host.isPlugin or not self.host.is_engine_running():

  1758.             return

  1759. 

  1760.         self.host.transport_pause()

  1761.         self.host.transport_relocate(0)

  1762. 

  1763.         self.refreshTransport()

  1764. 

  1765.     @pyqtSlot()

  1766.     def slot_transportBackwards(self):

  1767.         if self.host.isPlugin or not self.host.is_engine_running():

  1768.             return

  1769. 

  1770.         newFrame = self.host.get_current_transport_frame() - 100000

  1771. 

  1772.         if newFrame < 0:

  1773.             newFrame = 0

  1774. 

  1775.         self.host.transport_relocate(newFrame)

  1776. 

  1777.     @pyqtSlot(float)

  1778.     def slot_transportBpmChanged(self, newValue):

  1779.         self.host.transport_bpm(newValue)

  1780. 

  1781.     @pyqtSlot()

  1782.     def slot_transportForwards(self):

  1783.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  1784.             return

  1785. 

  1786.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  1787.         self.host.transport_relocate(newFrame)

  1788. 

  1789.     @pyqtSlot(bool)

  1790.     def slot_transportJackEnabled(self, clicked):

  1791.         if not self.host.is_engine_running():

  1792.             return

  1793.         mode  = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  1794.         extra = ":link:" if self.ui.cb_transport_link.isChecked() else ""

  1795.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, extra)

  1796. 

  1797.     @pyqtSlot(bool)

  1798.     def slot_transportLinkEnabled(self, clicked):

  1799.         if not self.host.is_engine_running():

  1800.             return

  1801.         mode  = ENGINE_TRANSPORT_MODE_JACK if self.ui.cb_transport_jack.isChecked() else ENGINE_TRANSPORT_MODE_INTERNAL

  1802.         extra = ":link:" if clicked else ""

  1803.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, extra)

  1804. 

  1805.     # --------------------------------------------------------------------------------------------------------

  1806.     # Canvas scrollbars

  1807. 

  1808.     @pyqtSlot(int)

  1809.     def slot_horizontalScrollBarChanged(self, value):

  1810.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  1811.         if maximum == 0:

  1812.             xp = 0

  1813.         else:

  1814.             xp = float(value) / maximum

  1815.         self.ui.miniCanvasPreview.setViewPosX(xp)

  1816.         self.updateCanvasInitialPos()

  1817. 

  1818.     @pyqtSlot(int)

  1819.     def slot_verticalScrollBarChanged(self, value):

  1820.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  1821.         if maximum == 0:

  1822.             yp = 0

  1823.         else:

  1824.             yp = float(value) / maximum

  1825.         self.ui.miniCanvasPreview.setViewPosY(yp)

  1826.         self.updateCanvasInitialPos()

  1827. 

  1828.     # --------------------------------------------------------------------------------------------------------

  1829.     # Canvas keyboard

  1830. 

  1831.     @pyqtSlot(int)

  1832.     def slot_noteOn(self, note):

  1833.         for pluginId in self.fSelectedPlugins:

  1834.             self.host.send_midi_note(pluginId, 0, note, 100)

  1835. 

  1836.             pedit = self.getPluginEditDialog(pluginId)

  1837.             pedit.noteOn(0, note, 100)

  1838. 

  1839.     @pyqtSlot(int)

  1840.     def slot_noteOff(self, note):

  1841.         for pluginId in self.fSelectedPlugins:

  1842.             self.host.send_midi_note(pluginId, 0, note, 0)

  1843. 

  1844.             pedit = self.getPluginEditDialog(pluginId)

  1845.             pedit.noteOff(0, note)

  1846. 

  1847.     # --------------------------------------------------------------------------------------------------------

  1848.     # Canvas keyboard (host callbacks)

  1849. 

  1850.     @pyqtSlot(int, int, int, int)

  1851.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  1852.         if pluginId in self.fSelectedPlugins:

  1853.             self.ui.keyboard.sendNoteOn(note, False)

  1854. 

  1855.     @pyqtSlot(int, int, int)

  1856.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  1857.         if pluginId in self.fSelectedPlugins:

  1858.             self.ui.keyboard.sendNoteOff(note, False)

  1859. 

  1860.     # --------------------------------------------------------------------------------------------------------

  1861. 

  1862.     @pyqtSlot(int)

  1863.     def slot_handleUpdateCallback(self, pluginId):

  1864.         pitem = self.getPluginItem(pluginId)

  1865. 

  1866.         if pitem is None:

  1867.             return

  1868. 

  1869.         wasCompacted = pitem.isCompacted()

  1870.         isCompacted  = wasCompacted

  1871. 

  1872.         for i in range(self.host.get_custom_data_count(pluginId)):

  1873.             cdata = self.host.get_custom_data(pluginId, i)

  1874. 

  1875.             if cdata['type'] == CUSTOM_DATA_TYPE_PROPERTY and cdata['key'] == "CarlaSkinIsCompacted":

  1876.                 isCompacted = bool(cdata['value'] == "true")

  1877.                 break

  1878.         else:

  1879.             return

  1880. 

  1881.         if wasCompacted == isCompacted:

  1882.             return

  1883. 

  1884.         pitem.recreateWidget(True)

  1885. 

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

  1887.     # MiniCanvas stuff

  1888. 

  1889.     @pyqtSlot()

  1890.     def slot_miniCanvasCheckAll(self):

  1891.         self.slot_miniCanvasCheckSize()

  1892.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  1893.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  1894. 

  1895.     @pyqtSlot()

  1896.     def slot_miniCanvasCheckSize(self):

  1897.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  1898.             return

  1899. 

  1900.         currentIndex = self.ui.tabWidget.currentIndex()

  1901. 

  1902.         if currentIndex == 1:

  1903.             width  = self.ui.graphicsView.width()

  1904.             height = self.ui.graphicsView.height()

  1905.         else:

  1906.             self.ui.tabWidget.blockSignals(True)

  1907.             self.ui.tabWidget.setCurrentIndex(1)

  1908.             width  = self.ui.graphicsView.width()

  1909.             height = self.ui.graphicsView.height()

  1910.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  1911.             self.ui.tabWidget.blockSignals(False)

  1912. 

  1913.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  1914. 

  1915.     @pyqtSlot(float, float)

  1916.     def slot_miniCanvasMoved(self, xp, yp):

  1917.         hsb = self.ui.graphicsView.horizontalScrollBar()

  1918.         vsb = self.ui.graphicsView.verticalScrollBar()

  1919.         hsb.setValue(xp * hsb.maximum())

  1920.         vsb.setValue(yp * vsb.maximum())

  1921.         self.updateCanvasInitialPos()

  1922. 

  1923.     # --------------------------------------------------------------------------------------------------------

  1924.     # Timers

  1925. 

  1926.     def startTimers(self):

  1927.         if self.fIdleTimerFast == 0:

  1928.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  1929. 

  1930.         if self.fIdleTimerSlow == 0:

  1931.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  1932. 

  1933.     def restartTimersIfNeeded(self):

  1934.         if self.fIdleTimerFast != 0:

  1935.             self.killTimer(self.fIdleTimerFast)

  1936.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  1937. 

  1938.         if self.fIdleTimerSlow != 0:

  1939.             self.killTimer(self.fIdleTimerSlow)

  1940.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  1941. 

  1942.     def killTimers(self):

  1943.         if self.fIdleTimerFast != 0:

  1944.             self.killTimer(self.fIdleTimerFast)

  1945.             self.fIdleTimerFast = 0

  1946. 

  1947.         if self.fIdleTimerSlow != 0:

  1948.             self.killTimer(self.fIdleTimerSlow)

  1949.             self.fIdleTimerSlow = 0

  1950. 

  1951.     # --------------------------------------------------------------------------------------------------------

  1952.     # Misc

  1953. 

  1954.     @pyqtSlot(int)

  1955.     def slot_tabChanged(self, index):

  1956.         if index != 1:

  1957.             return

  1958. 

  1959.         self.ui.graphicsView.setFocus()

  1960. 

  1961.     @pyqtSlot(int)

  1962.     def slot_handleReloadAllCallback(self, pluginId):

  1963.         if pluginId >= self.fPluginCount:

  1964.             return

  1965. 

  1966.         pitem = self.fPluginList[pluginId]

  1967.         if pitem is None:

  1968.             return

  1969. 

  1970.         pitem.recreateWidget()

  1971. 

  1972.     # --------------------------------------------------------------------------------------------------------

  1973. 

  1974.     @pyqtSlot(int, int, str)

  1975.     def slot_handleNSMCallback(self, value1, value2, valueStr):

  1976.         # Error

  1977.         if value1 == 0:

  1978.             pass

  1979. 

  1980.         # Reply

  1981.         elif value1 == 1:

  1982.             self.fFirstEngineInit    = False

  1983.             self.fSessionManagerName = valueStr

  1984.             self.setProperWindowTitle()

  1985. 

  1986.         # Open

  1987.         elif value1 == 2:

  1988.             self.fClientName      = os.path.basename(valueStr)

  1989.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  1990.             self.setProperWindowTitle()

  1991. 

  1992.             self.fCustomStopAction = 2

  1993.             self.slot_engineStop(True)

  1994.             return

  1995. 

  1996.         # Save

  1997.         elif value1 == 3:

  1998.             self.saveProjectNow()

  1999. 

  2000.         # Session is Loaded

  2001.         elif value1 == 4:

  2002.             pass

  2003. 

  2004.         # Show Optional Gui

  2005.         elif value1 == 5:

  2006.             self.show()

  2007. 

  2008.         # Hide Optional Gui

  2009.         elif value1 == 6:

  2010.             self.hide()

  2011. 

  2012.         self.host.nsm_ready(value1)

  2013. 

  2014.     # --------------------------------------------------------------------------------------------------------

  2015. 

  2016.     def fixLogText(self, text):

  2017.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  2018. 

  2019.     @pyqtSlot(int, int, int, float, str)

  2020.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valueStr):

  2021.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  2022. 

  2023.     @pyqtSlot(str)

  2024.     def slot_handleInfoCallback(self, info):

  2025.         QMessageBox.information(self, "Information", info)

  2026. 

  2027.     @pyqtSlot(str)

  2028.     def slot_handleErrorCallback(self, error):

  2029.         QMessageBox.critical(self, "Error", error)

  2030. 

  2031.     @pyqtSlot()

  2032.     def slot_handleQuitCallback(self):

  2033.         pass # TODO

  2034. 

  2035.     # --------------------------------------------------------------------------------------------------------

  2036. 

  2037.     @pyqtSlot()

  2038.     def slot_handleSIGUSR1(self):

  2039.         print("Got SIGUSR1 -> Saving project now")

  2040.         self.slot_fileSave()

  2041. 

  2042.     @pyqtSlot()

  2043.     def slot_handleSIGTERM(self):

  2044.         print("Got SIGTERM -> Closing now")

  2045.         self.fCustomStopAction = 1

  2046.         self.slot_engineStop(True)

  2047. 

  2048.     # --------------------------------------------------------------------------------------------------------

  2049.     # Internal stuff

  2050. 

  2051.     def getExtraPtr(self, plugin):

  2052.         ptype = plugin['type']

  2053. 

  2054.         if ptype == PLUGIN_LADSPA:

  2055.             uniqueId = plugin['uniqueId']

  2056. 

  2057.             self.maybeLoadRDFs()

  2058. 

  2059.             for rdfItem in self.fLadspaRdfList:

  2060.                 if rdfItem.UniqueID == uniqueId:

  2061.                     return pointer(rdfItem)

  2062. 

  2063.         elif ptype in (PLUGIN_GIG, PLUGIN_SF2):

  2064.             if plugin['name'].lower().endswith(" (16 outputs)"):

  2065.                 return self._true

  2066. 

  2067.         return None

  2068. 

  2069.     def maybeLoadRDFs(self):

  2070.         if not self.fLadspaRdfNeedsUpdate:

  2071.             return

  2072. 

  2073.         self.fLadspaRdfNeedsUpdate = False

  2074.         self.fLadspaRdfList = []

  2075. 

  2076.         if not haveLRDF:

  2077.             return

  2078. 

  2079.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  2080.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  2081. 

  2082.         if os.path.exists(frLadspaFile):

  2083.             frLadspa = open(frLadspaFile, 'r')

  2084. 

  2085.             try:

  2086.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  2087.             except:

  2088.                 pass

  2089. 

  2090.             frLadspa.close()

  2091. 

  2092.     # --------------------------------------------------------------------------------------------------------

  2093. 

  2094.     def getPluginItem(self, pluginId):

  2095.         if pluginId >= self.fPluginCount:

  2096.             return None

  2097. 

  2098.         pitem = self.fPluginList[pluginId]

  2099.         if pitem is None:

  2100.             return None

  2101.         #if False:

  2102.             #return CarlaRackItem(self, 0, False)

  2103. 

  2104.         return pitem

  2105. 

  2106.     def getPluginEditDialog(self, pluginId):

  2107.         if pluginId >= self.fPluginCount:

  2108.             return None

  2109. 

  2110.         pitem = self.fPluginList[pluginId]

  2111.         if pitem is None:

  2112.             return None

  2113.         if False:

  2114.             return PluginEdit(self, self.host, 0)

  2115. 

  2116.         return pitem.getEditDialog()

  2117. 

  2118.     def getPluginSlotWidget(self, pluginId):

  2119.         if pluginId >= self.fPluginCount:

  2120.             return None

  2121. 

  2122.         pitem = self.fPluginList[pluginId]

  2123.         if pitem is None:

  2124.             return None

  2125.         #if False:

  2126.             #return AbstractPluginSlot()

  2127. 

  2128.         return pitem.getWidget()

  2129. 

  2130.     # --------------------------------------------------------------------------------------------------------

  2131. 

  2132.     def waitForPendingEvents(self):

  2133.         pass

  2134. 

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

  2136.     # show/hide event

  2137. 

  2138.     def showEvent(self, event):

  2139.         self.refreshTransport(True)

  2140.         QMainWindow.showEvent(self, event)

  2141. 

  2142.         # set our gui as parent for all plugins UIs

  2143.         if self.host.manageUIs and not (self.host.isControl or self.host.isPlugin):

  2144.             if MACOS:

  2145.                 nsViewPtr = int(self.winId())

  2146.                 winIdStr  = "%x" % gCarla.utils.cocoa_get_window(nsViewPtr)

  2147.             else:

  2148.                 winIdStr = "%x" % int(self.winId())

  2149.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2150. 

  2151.     def hideEvent(self, event):

  2152.         # disable parent

  2153.         if not (self.host.isControl or self.host.isPlugin):

  2154.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2155. 

  2156.         QMainWindow.hideEvent(self, event)

  2157. 

  2158.     # --------------------------------------------------------------------------------------------------------

  2159.     # resize event

  2160. 

  2161.     def fixCanvasPreviewSize(self):

  2162.         self.ui.patchbay.resize(self.ui.rack.size())

  2163.         self.slot_miniCanvasCheckSize()

  2164. 

  2165.     def resizeEvent(self, event):

  2166.         QMainWindow.resizeEvent(self, event)

  2167. 

  2168.         if self.ui.tabWidget.currentIndex() != 1:

  2169.             size = self.ui.rack.size()

  2170.             self.ui.patchbay.resize(size)

  2171. 

  2172.         self.slot_miniCanvasCheckSize()

  2173. 

  2174.     # --------------------------------------------------------------------------------------------------------

  2175.     # timer event

  2176. 

  2177.     def idleFast(self):

  2178.         self.host.engine_idle()

  2179.         self.refreshTransport()

  2180. 

  2181.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2182.             return

  2183. 

  2184.         for pitem in self.fPluginList:

  2185.             if pitem is None:

  2186.                 break

  2187. 

  2188.             pitem.getWidget().idleFast()

  2189. 

  2190.         for pluginId in self.fSelectedPlugins:

  2191.             self.fPeaksCleared = False

  2192.             if self.ui.peak_in.isVisible():

  2193.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2194.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2195.             if self.ui.peak_out.isVisible():

  2196.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2197.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2198.             return

  2199. 

  2200.         if self.fPeaksCleared:

  2201.             return

  2202. 

  2203.         self.fPeaksCleared = True

  2204.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2205.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2206.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2207.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2208. 

  2209.     def idleSlow(self):

  2210.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2211.             return

  2212. 

  2213.         for pitem in self.fPluginList:

  2214.             if pitem is None:

  2215.                 break

  2216. 

  2217.             pitem.getWidget().idleSlow()

  2218. 

  2219.     def timerEvent(self, event):

  2220.         if event.timerId() == self.fIdleTimerFast:

  2221.             self.idleFast()

  2222. 

  2223.         elif event.timerId() == self.fIdleTimerSlow:

  2224.             self.idleSlow()

  2225. 

  2226.         QMainWindow.timerEvent(self, event)

  2227. 

  2228.     # --------------------------------------------------------------------------------------------------------

  2229.     # paint event

  2230. 

  2231.     #def paintEvent(self, event):

  2232.         #QMainWindow.paintEvent(self, event)

  2233. 

  2234.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2235.             #return

  2236. 

  2237.         #painter = QPainter(self)

  2238.         #painter.setBrush(QColor(36, 36, 36))

  2239.         #painter.setPen(QColor(62, 62, 62))

  2240.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2241. 

  2242.     # --------------------------------------------------------------------------------------------------------

  2243.     # close event

  2244. 

  2245.     def closeEvent(self, event):

  2246.         self.killTimers()

  2247.         self.saveSettings()

  2248. 

  2249.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  2250.             if not self.slot_engineStop(True):

  2251.                 self.fCustomStopAction = 1

  2252.                 event.ignore()

  2253.                 return

  2254. 

  2255.         QMainWindow.closeEvent(self, event)

  2256. 

  2257. # ------------------------------------------------------------------------------------------------

  2258. # Canvas callback

  2259. 

  2260. def canvasCallback(action, value1, value2, valueStr):

  2261.     host = gCarla.gui.host

  2262. 

  2263.     if action == patchcanvas.ACTION_GROUP_INFO:

  2264.         pass

  2265. 

  2266.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  2267.         pass

  2268. 

  2269.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  2270.         groupId = value1

  2271.         patchcanvas.splitGroup(groupId)

  2272.         gCarla.gui.updateMiniCanvasLater()

  2273. 

  2274.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  2275.         groupId = value1

  2276.         patchcanvas.joinGroup(groupId)

  2277.         gCarla.gui.updateMiniCanvasLater()

  2278. 

  2279.     elif action == patchcanvas.ACTION_PORT_INFO:

  2280.         pass

  2281. 

  2282.     elif action == patchcanvas.ACTION_PORT_RENAME:

  2283.         pass

  2284. 

  2285.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  2286.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")]

  2287. 

  2288.         if not host.patchbay_connect(gOut, pOut, gIn, pIn):

  2289.             print("Connection failed:", host.get_last_error())

  2290. 

  2291.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  2292.         connectionId = value1

  2293. 

  2294.         if not host.patchbay_disconnect(connectionId):

  2295.             print("Disconnect failed:", host.get_last_error())

  2296. 

  2297.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  2298.         pluginId = value1

  2299. 

  2300.         if not host.clone_plugin(pluginId):

  2301.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2302.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2303. 

  2304.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  2305.         pluginId = value1

  2306.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2307. 

  2308.         if pwidget is not None:

  2309.             pwidget.showEditDialog()

  2310. 

  2311.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  2312.         pluginId = value1

  2313.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2314. 

  2315.         if pwidget is not None:

  2316.             pwidget.showRenameDialog()

  2317. 

  2318.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  2319.         pluginId = value1

  2320.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2321. 

  2322.         if pwidget is not None:

  2323.             pwidget.showReplaceDialog()

  2324. 

  2325.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  2326.         pluginId = value1

  2327. 

  2328.         if not host.remove_plugin(pluginId):

  2329.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2330.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2331. 

  2332.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  2333.         pluginId = value1

  2334.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2335. 

  2336.         if pwidget is not None:

  2337.             pwidget.showCustomUI()

  2338. 

  2339.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  2340.         gCarla.gui.showPluginActionsMenu()

  2341. 

  2342. # ------------------------------------------------------------------------------------------------------------

  2343. # Engine callback

  2344. 

  2345. def engineCallback(host, action, pluginId, value1, value2, value3, valueStr):

  2346.     # kdevelop likes this :)

  2347.     if False: host = CarlaHostNull()

  2348. 

  2349.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  2350.         host.processMode   = value1

  2351.         host.transportMode = value2

  2352.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2353.         host.processMode   = value1

  2354.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2355.         host.transportMode = value1

  2356. 

  2357.     valueStr = charPtrToString(valueStr)

  2358. 

  2359.     if action == ENGINE_CALLBACK_DEBUG:

  2360.         host.DebugCallback.emit(pluginId, value1, value2, value3, valueStr)

  2361.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  2362.         host.PluginAddedCallback.emit(pluginId, valueStr)

  2363.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  2364.         host.PluginRemovedCallback.emit(pluginId)

  2365.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  2366.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  2367.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  2368.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  2369.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  2370.         host.ParameterValueChangedCallback.emit(pluginId, value1, value3)

  2371.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  2372.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, value3)

  2373.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CC_CHANGED:

  2374.         host.ParameterMidiCcChangedCallback.emit(pluginId, value1, value2)

  2375.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  2376.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  2377.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  2378.         host.ProgramChangedCallback.emit(pluginId, value1)

  2379.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  2380.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  2381.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  2382.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  2383.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  2384.         host.UiStateChangedCallback.emit(pluginId, value1)

  2385.     elif action == ENGINE_CALLBACK_NOTE_ON:

  2386.         host.NoteOnCallback.emit(pluginId, value1, value2, round(value3))

  2387.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  2388.         host.NoteOffCallback.emit(pluginId, value1, value2)

  2389.     elif action == ENGINE_CALLBACK_UPDATE:

  2390.         host.UpdateCallback.emit(pluginId)

  2391.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  2392.         host.ReloadInfoCallback.emit(pluginId)

  2393.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  2394.         host.ReloadParametersCallback.emit(pluginId)

  2395.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  2396.         host.ReloadProgramsCallback.emit(pluginId)

  2397.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  2398.         host.ReloadAllCallback.emit(pluginId)

  2399.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  2400.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  2401.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  2402.         host.PatchbayClientRemovedCallback.emit(pluginId)

  2403.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  2404.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  2405.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  2406.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  2407.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  2408.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, valueStr)

  2409.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  2410.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  2411.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_RENAMED:

  2412.         host.PatchbayPortRenamedCallback.emit(pluginId, value1, valueStr)

  2413.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  2414.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  2415.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  2416.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  2417.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  2418.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  2419.         host.EngineStartedCallback.emit(value1, value2, valueStr)

  2420.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  2421.         host.EngineStoppedCallback.emit()

  2422.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2423.         host.ProcessModeChangedCallback.emit(value1)

  2424.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2425.         host.TransportModeChangedCallback.emit(value1)

  2426.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  2427.         host.BufferSizeChangedCallback.emit(value1)

  2428.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  2429.         host.SampleRateChangedCallback.emit(value3)

  2430.     elif action == ENGINE_CALLBACK_PROJECT_LOAD_FINISHED:

  2431.         host.ProjectLoadFinishedCallback.emit()

  2432.     elif action == ENGINE_CALLBACK_NSM:

  2433.         host.NSMCallback.emit(value1, value2, valueStr)

  2434.     elif action == ENGINE_CALLBACK_IDLE:

  2435.         QApplication.instance().processEvents()

  2436.     elif action == ENGINE_CALLBACK_INFO:

  2437.         host.InfoCallback.emit(valueStr)

  2438.     elif action == ENGINE_CALLBACK_ERROR:

  2439.         host.ErrorCallback.emit(valueStr)

  2440.     elif action == ENGINE_CALLBACK_QUIT:

  2441.         host.QuitCallback.emit()

  2442. 

  2443. # ------------------------------------------------------------------------------------------------------------

  2444. # File callback

  2445. 

  2446. def fileCallback(ptr, action, isDir, title, filter):

  2447.     ret = ("", "") if config_UseQt5 else ""

  2448. 

  2449.     if action == FILE_CALLBACK_DEBUG:

  2450.         pass

  2451.     elif action == FILE_CALLBACK_OPEN:

  2452.         ret = QFileDialog.getOpenFileName(gCarla.gui, charPtrToString(title), "", charPtrToString(filter) ) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  2453.     elif action == FILE_CALLBACK_SAVE:

  2454.         ret = QFileDialog.getSaveFileName(gCarla.gui, charPtrToString(title), "", charPtrToString(filter), QFileDialog.ShowDirsOnly if isDir else 0x0)

  2455. 

  2456.     if config_UseQt5:

  2457.         ret = ret[0]

  2458.     if not ret:

  2459.         return None

  2460. 

  2461.     # FIXME

  2462.     global fileRet

  2463.     fileRet = c_char_p(ret.encode("utf-8"))

  2464.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  2465.     return retval.contents.value

  2466. 

  2467. # ------------------------------------------------------------------------------------------------------------

  2468. # Init host

  2469. 

  2470. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  2471.     pathBinaries, pathResources = getPaths(libPrefix)

  2472. 

  2473.     # --------------------------------------------------------------------------------------------------------

  2474.     # Check if we should open main lib as local or global

  2475. 

  2476.     settings = QSettings("falkTX", "Carla2")

  2477. 

  2478.     try:

  2479.         loadGlobal = settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL, CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL, type=bool)

  2480.     except:

  2481.         loadGlobal = CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL

  2482. 

  2483.     # --------------------------------------------------------------------------------------------------------

  2484.     # Fail if binary dir is not found

  2485. 

  2486.     if not os.path.exists(pathBinaries):

  2487.         if failError:

  2488.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  2489.             sys.exit(1)

  2490.         return

  2491. 

  2492.     # --------------------------------------------------------------------------------------------------------

  2493.     # Set Carla library name

  2494. 

  2495.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  2496.     libname   = os.path.join(pathBinaries, libname)

  2497.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  2498. 

  2499.     # --------------------------------------------------------------------------------------------------------

  2500.     # Print info

  2501. 

  2502.     print("Carla %s started, status:" % VERSION)

  2503.     print("  Python version: %s" % sys.version.split(" ",1)[0])

  2504.     print("  Qt version:     %s" % qVersion())

  2505.     print("  PyQt version:   %s" % PYQT_VERSION_STR)

  2506.     print("  Binary dir:     %s" % pathBinaries)

  2507.     print("  Resources dir:  %s" % pathResources)

  2508. 

  2509.     # --------------------------------------------------------------------------------------------------------

  2510.     # Init host

  2511. 

  2512.     if failError:

  2513.         # no try

  2514.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2515.     else:

  2516.         try:

  2517.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2518.         except:

  2519.             host = CarlaHostQtNull()

  2520. 

  2521.     host.isControl = isControl

  2522.     host.isPlugin  = isPlugin

  2523. 

  2524.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vs: engineCallback(host,a,p,v1,v2,v3,vs))

  2525.     host.set_file_callback(fileCallback)

  2526. 

  2527.     # If it's a plugin the paths are already set

  2528.     if not isPlugin:

  2529.         host.pathBinaries  = pathBinaries

  2530.         host.pathResources = pathResources

  2531.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  2532.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  2533. 

  2534.         if not isControl:

  2535.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  2536. 

  2537.     # --------------------------------------------------------------------------------------------------------

  2538.     # Init utils

  2539. 

  2540.     gCarla.utils = CarlaUtils(utilsname)

  2541.     gCarla.utils.set_process_name(os.path.basename(initName))

  2542. 

  2543.     try:

  2544.         sys.stdout.flush()

  2545.     except:

  2546.         pass

  2547. 

  2548.     sys.stdout = CarlaPrint(False)

  2549.     sys.stderr = CarlaPrint(True)

  2550. 

  2551.     if config_UseQt5:

  2552.         sys.excepthook = sys_excepthook

  2553. 

  2554.     # --------------------------------------------------------------------------------------------------------

  2555.     # Done

  2556. 

  2557.     return host

  2558. 

  2559. # ------------------------------------------------------------------------------------------------------------

  2560. # Load host settings

  2561. 

  2562. def loadHostSettings(host):

  2563.     # kdevelop likes this :)

  2564.     if False: host = CarlaHostNull()

  2565. 

  2566.     settings = QSettings("falkTX", "Carla2")

  2567. 

  2568.     try:

  2569.         host.experimental = settings.value(CARLA_KEY_MAIN_EXPERIMENTAL, CARLA_DEFAULT_MAIN_EXPERIMENTAL, type=bool)

  2570.     except:

  2571.         host.experimental = CARLA_DEFAULT_MAIN_EXPERIMENTAL

  2572. 

  2573.     try:

  2574.         host.exportLV2 = settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2, CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT, type=bool)

  2575.     except:

  2576.         host.exportLV2 = CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT

  2577. 

  2578.     try:

  2579.         host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, type=bool)

  2580.     except:

  2581.         host.manageUIs = CARLA_DEFAULT_MANAGE_UIS

  2582. 

  2583.     try:

  2584.         host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, type=int)

  2585.     except:

  2586.         host.maxParameters = CARLA_DEFAULT_MAX_PARAMETERS

  2587. 

  2588.     try:

  2589.         host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, type=bool)

  2590.     except:

  2591.         host.forceStereo = CARLA_DEFAULT_FORCE_STEREO

  2592. 

  2593.     try:

  2594.         host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, type=bool)

  2595.     except:

  2596.         host.preferPluginBridges = CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES

  2597. 

  2598.     try:

  2599.         host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, type=bool)

  2600.     except:

  2601.         host.preferUIBridges = CARLA_DEFAULT_PREFER_UI_BRIDGES

  2602. 

  2603.     try:

  2604.         host.preventBadBehaviour = settings.value(CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, type=bool)

  2605.     except:

  2606.         host.preventBadBehaviour = CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR

  2607. 

  2608.     try:

  2609.         host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, type=bool)

  2610.     except:

  2611.         host.showLogs = CARLA_DEFAULT_MAIN_SHOW_LOGS

  2612. 

  2613.     try:

  2614.         host.showPluginBridges = settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, type=bool)

  2615.     except:

  2616.         host.showPluginBridges = CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES

  2617. 

  2618.     try:

  2619.         host.showWineBridges = settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, type=bool)

  2620.     except:

  2621.         host.showWineBridges = CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES

  2622. 

  2623.     try:

  2624.         host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, type=int)

  2625.     except:

  2626.         host.uiBridgesTimeout = CARLA_DEFAULT_UI_BRIDGES_TIMEOUT

  2627. 

  2628.     try:

  2629.         host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, type=bool)

  2630.     except:

  2631.         host.uisAlwaysOnTop = CARLA_DEFAULT_UIS_ALWAYS_ON_TOP

  2632. 

  2633.     if host.isPlugin:

  2634.         return

  2635. 

  2636.     # enums

  2637.     if host.audioDriverForced is None:

  2638.         try:

  2639.             host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, type=int)

  2640.         except:

  2641.             host.transportMode = CARLA_DEFAULT_TRANSPORT_MODE

  2642. 

  2643.     if not host.processModeForced:

  2644.         try:

  2645.             host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, type=int)

  2646.         except:

  2647.             host.processMode = CARLA_DEFAULT_PROCESS_MODE

  2648. 

  2649.     host.nextProcessMode = host.processMode

  2650. 

  2651.     # --------------------------------------------------------------------------------------------------------

  2652.     # fix things if needed

  2653. 

  2654.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS and LADISH_APP_NAME:

  2655.         print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  2656.         host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  2657. 

  2658.     if gCarla.nogui:

  2659.         host.showLogs = False

  2660. 

  2661.     # --------------------------------------------------------------------------------------------------------

  2662.     # run headless host now if nogui option enabled

  2663. 

  2664.     if gCarla.nogui:

  2665.         runHostWithoutUI(host)

  2666. 

  2667. # ------------------------------------------------------------------------------------------------------------

  2668. # Set host settings

  2669. 

  2670. def setHostSettings(host):

  2671.     # kdevelop likes this :)

  2672.     if False: host = CarlaHostNull()

  2673. 

  2674.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  2675.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  2676.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  2677.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  2678.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  2679.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  2680.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  2681.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  2682. 

  2683.     if host.isPlugin:

  2684.         return

  2685. 

  2686.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  2687.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       "")

  2688. 

  2689. # ------------------------------------------------------------------------------------------------------------

  2690. # Set Engine settings according to carla preferences. Returns selected audio driver.

  2691. 

  2692. def setEngineSettings(host):

  2693.     # kdevelop likes this :)

  2694.     if False: host = CarlaHostNull()

  2695. 

  2696.     # --------------------------------------------------------------------------------------------------------

  2697.     # do nothing if control

  2698. 

  2699.     if host.isControl:

  2700.         return "Control"

  2701. 

  2702.     # --------------------------------------------------------------------------------------------------------

  2703. 

  2704.     settings = QSettings("falkTX", "Carla2")

  2705. 

  2706.     # --------------------------------------------------------------------------------------------------------

  2707.     # main settings

  2708. 

  2709.     setHostSettings(host)

  2710. 

  2711.     # --------------------------------------------------------------------------------------------------------

  2712.     # plugin paths

  2713. 

  2714.     LADSPA_PATH = toList(settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH))

  2715.     DSSI_PATH   = toList(settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH))

  2716.     LV2_PATH    = toList(settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH))

  2717.     VST2_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST2,   CARLA_DEFAULT_VST2_PATH))

  2718.     GIG_PATH    = toList(settings.value(CARLA_KEY_PATHS_GIG,    CARLA_DEFAULT_GIG_PATH))

  2719.     SF2_PATH    = toList(settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH))

  2720.     SFZ_PATH    = toList(settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH))

  2721. 

  2722.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  2723.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  2724.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  2725.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2,   splitter.join(VST2_PATH))

  2726.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_GIG,    splitter.join(GIG_PATH))

  2727.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  2728.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  2729. 

  2730.     # --------------------------------------------------------------------------------------------------------

  2731.     # don't continue if plugin

  2732. 

  2733.     if host.isPlugin:

  2734.         return "Plugin"

  2735. 

  2736.     # --------------------------------------------------------------------------------------------------------

  2737.     # driver and device settings

  2738. 

  2739.     # driver name

  2740.     if host.audioDriverForced is not None:

  2741.         audioDriver = host.audioDriverForced

  2742.     else:

  2743.         try:

  2744.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, type=str)

  2745.         except:

  2746.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  2747. 

  2748.     # driver options

  2749.     try:

  2750.         audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", type=str)

  2751.     except:

  2752.         audioDevice = ""

  2753. 

  2754.     try:

  2755.         audioNumPeriods = settings.value("%s%s/NumPeriods" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_NUM_PERIODS, type=int)

  2756.     except:

  2757.         audioNumPeriods = CARLA_DEFAULT_AUDIO_NUM_PERIODS

  2758. 

  2759.     try:

  2760.         audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, type=int)

  2761.     except:

  2762.         audioBufferSize = CARLA_DEFAULT_AUDIO_BUFFER_SIZE

  2763. 

  2764.     try:

  2765.         audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, type=int)

  2766.     except:

  2767.         audioSampleRate = CARLA_DEFAULT_AUDIO_SAMPLE_RATE

  2768. 

  2769.     host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE,      0,               audioDevice)

  2770.     host.set_engine_option(ENGINE_OPTION_AUDIO_NUM_PERIODS, audioNumPeriods, "")

  2771.     host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  2772.     host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  2773. 

  2774.     # --------------------------------------------------------------------------------------------------------

  2775.     # fix things if needed

  2776. 

  2777.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  2778.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  2779.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, "")

  2780. 

  2781.     # --------------------------------------------------------------------------------------------------------

  2782.     # wine settings

  2783. 

  2784.     optWineExecutable = settings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, type=str)

  2785.     optWineAutoPrefix = settings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, type=bool)

  2786.     optWineFallbackPrefix = settings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, type=str)

  2787.     optWineRtPrioEnabled = settings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, type=bool)

  2788.     optWineBaseRtPrio = settings.value(CARLA_KEY_WINE_BASE_RT_PRIO,   CARLA_DEFAULT_WINE_BASE_RT_PRIO, type=int)

  2789.     optWineServerRtPrio = settings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, type=int)

  2790. 

  2791.     host.set_engine_option(ENGINE_OPTION_WINE_EXECUTABLE, 0, optWineExecutable)

  2792.     host.set_engine_option(ENGINE_OPTION_WINE_AUTO_PREFIX, 1 if optWineAutoPrefix else 0, "")

  2793.     host.set_engine_option(ENGINE_OPTION_WINE_FALLBACK_PREFIX, 0, os.path.expanduser(optWineFallbackPrefix))

  2794.     host.set_engine_option(ENGINE_OPTION_WINE_RT_PRIO_ENABLED, 1 if optWineRtPrioEnabled else 0, "")

  2795.     host.set_engine_option(ENGINE_OPTION_WINE_BASE_RT_PRIO, optWineBaseRtPrio, "")

  2796.     host.set_engine_option(ENGINE_OPTION_WINE_SERVER_RT_PRIO, optWineServerRtPrio, "")

  2797. 

  2798.     # --------------------------------------------------------------------------------------------------------

  2799.     # return selected driver name

  2800. 

  2801.     return audioDriver

  2802. 

  2803. # ------------------------------------------------------------------------------------------------------------

  2804. # Run Carla without showing UI

  2805. 

  2806. def runHostWithoutUI(host):

  2807.     # kdevelop likes this :)

  2808.     if False: host = CarlaHostNull()

  2809. 

  2810.     # --------------------------------------------------------------------------------------------------------

  2811.     # Some initial checks

  2812. 

  2813.     if not gCarla.nogui:

  2814.         return

  2815. 

  2816.     projectFile = getInitialProjectFile(QCoreApplication.instance(), True)

  2817. 

  2818.     if not projectFile:

  2819.         print("Carla no-gui mode can only be used together with a project file.")

  2820.         sys.exit(1)

  2821. 

  2822.     # --------------------------------------------------------------------------------------------------------

  2823.     # Additional imports

  2824. 

  2825.     from time import sleep

  2826. 

  2827.     # --------------------------------------------------------------------------------------------------------

  2828.     # Init engine

  2829. 

  2830.     audioDriver = setEngineSettings(host)

  2831.     if not host.engine_init(audioDriver, "Carla"):

  2832.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  2833.         sys.exit(1)

  2834. 

  2835.     if not host.load_project(projectFile):

  2836.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  2837.         host.engine_close()

  2838.         sys.exit(1)

  2839. 

  2840.     # --------------------------------------------------------------------------------------------------------

  2841.     # Idle

  2842. 

  2843.     while host.is_engine_running() and not gCarla.term:

  2844.         host.engine_idle()

  2845.         sleep(0.5)

  2846. 

  2847.     # --------------------------------------------------------------------------------------------------------

  2848.     # Stop

  2849. 

  2850.     host.engine_close()

  2851.     sys.exit(0)

  2852. 

  2853. # ------------------------------------------------------------------------------------------------------------