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

  6. #

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

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

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

  10. # the License, or any later version.

  11. #

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

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

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

  15. # GNU General Public License for more details.

  16. #

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

  18. 

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

  20. # Imports (Config)

  21. 

  22. from carla_config import *

  23. 

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

  25. # Imports (Global)

  26. 

  27. import json

  28. 

  29. if config_UseQt5:

  30.     from PyQt5.QtCore import qCritical, 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.         exts = gCarla.utils.get_supported_file_extensions()

  271. 

  272.         self.fDirModel = QFileSystemModel(self)

  273.         self.fDirModel.setRootPath(HOME)

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

  275. 

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

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

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

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

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

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

  282. 

  283.         # ----------------------------------------------------------------------------------------------------

  284.         # Set up GUI (transport)

  285. 

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

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

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

  289. 

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

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

  292. 

  293.         if minLabelWidth < labelTimeWidth:

  294.             minLabelWidth = labelTimeWidth

  295.         if minLabelWidth < labelBBTWidth:

  296.             minLabelWidth = labelBBTWidth

  297. 

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

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

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

  301. 

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

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

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

  305. 

  306.         if host.isControl or host.isPlugin:

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

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

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

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

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

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

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

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

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

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

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

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

  319. 

  320.         if MACOS: # FIXME

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

  322. 

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

  324. 

  325.         # ----------------------------------------------------------------------------------------------------

  326.         # Set up GUI (rack)

  327. 

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

  329. 

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

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

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

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

  334. 

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

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

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

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

  339. 

  340.         self.ui.rack.setStyleSheet("""

  341.           QLabel#pad_left {

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

  343.             background-repeat: repeat-y;

  344.           }

  345.           QLabel#pad_right {

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

  347.             background-repeat: repeat-y;

  348.           }

  349.           CarlaRackList#CarlaRackList {

  350.             background-color: black;

  351.           }

  352.         """)

  353. 

  354.         # ----------------------------------------------------------------------------------------------------

  355.         # Set up GUI (patchbay)

  356. 

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

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

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

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

  361. 

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

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

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

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

  366. 

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

  368.         self.ui.keyboard   = self.ui.scrollArea.keyboard

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

  370. 

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

  372. 

  373.         self.ui.miniCanvasPreview.setRealParent(self)

  374. 

  375.         # ----------------------------------------------------------------------------------------------------

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

  377. 

  378.         if MACOS:

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

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

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

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

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

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

  385. 

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

  387.         # Load Settings

  388. 

  389.         self.loadSettings(True)

  390. 

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

  392.         # Set-up Canvas

  393. 

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

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

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

  397. 

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

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

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

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

  402. 

  403.         self.setupCanvas()

  404. 

  405.         # ----------------------------------------------------------------------------------------------------

  406.         # Connect actions to functions

  407. 

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

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

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

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

  412. 

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

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

  415. 

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

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

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

  419. 

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

  421. 

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

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

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

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

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

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

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

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

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

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

  432. 

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

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

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

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

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

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

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

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

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

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

  443. 

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

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

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

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

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

  449. 

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

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

  452. 

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

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

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

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

  457. 

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

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

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

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

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

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

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

  465. 

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

  467. 

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

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

  470. 

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

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

  473. 

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

  475. 

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

  477. 

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

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

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

  481. 

  482.         self.SIGUSR1.connect(self.slot_handleSIGUSR1)

  483.         self.SIGTERM.connect(self.slot_handleSIGTERM)

  484. 

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

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

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

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

  489. 

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

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

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

  493. 

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

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

  496. 

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

  498. 

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

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

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

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

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

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

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

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

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

  508. 

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

  510. 

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

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

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

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

  515. 

  516.         # ----------------------------------------------------------------------------------------------------

  517.         # Final setup

  518. 

  519.         self.ui.text_logs.clear()

  520.         self.setProperWindowTitle()

  521. 

  522.         # Disable non-supported features

  523.         features = gCarla.utils.get_supported_features()

  524. 

  525.         if "link" not in features:

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

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

  528. 

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

  530.         if self.host.isPlugin:

  531.             self.startTimers()

  532. 

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

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

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

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

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

  538. 

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

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

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

  542. 

  543.         # Load initial project file if set

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

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

  546. 

  547.             if projectFile:

  548.                 self.loadProjectLater(projectFile)

  549. 

  550.         # For NSM we wait for the open message

  551.         if NSM_URL and host.nsmOK:

  552.             host.nsm_ready(-1)

  553.             return

  554. 

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

  556. 

  557.     # --------------------------------------------------------------------------------------------------------

  558.     # Setup

  559. 

  560.     def compactPlugin(self, pluginId):

  561.         if pluginId > self.fPluginCount:

  562.             return

  563. 

  564.         pitem = self.fPluginList[pluginId]

  565. 

  566.         if pitem is None:

  567.             return

  568. 

  569.         pitem.recreateWidget(True)

  570. 

  571.     def setLoadRDFsNeeded(self):

  572.         self.fLadspaRdfNeedsUpdate = True

  573. 

  574.     def setProperWindowTitle(self):

  575.         title = self.fClientName

  576. 

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

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

  579.         if self.fSessionManagerName:

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

  581. 

  582.         self.setWindowTitle(title)

  583. 

  584.     # --------------------------------------------------------------------------------------------------------

  585.     # Files

  586. 

  587.     def makeExtraFilename(self):

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

  589. 

  590.     def loadProjectNow(self):

  591.         if not self.fProjectFilename:

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

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

  594.             return

  595. 

  596.         self.projectLoadingStarted()

  597.         self.fIsProjectLoading = True

  598.         self.host.load_project(self.fProjectFilename)

  599. 

  600.         # Project finished loading is sent by engine

  601. 

  602.     def loadProjectLater(self, filename):

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

  604.         self.setProperWindowTitle()

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

  606. 

  607.     def saveProjectNow(self):

  608.         if not self.fProjectFilename:

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

  610. 

  611.         self.host.save_project(self.fProjectFilename)

  612. 

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

  614.             json.dump({

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

  616.             }, fh)

  617. 

  618.     def projectLoadingStarted(self):

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

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

  621. 

  622.     def projectLoadingFinished(self):

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

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

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

  626. 

  627.         extrafile = self.makeExtraFilename()

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

  629.             return

  630. 

  631.         try:

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

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

  634.         except:

  635.             return

  636. 

  637.         patchcanvas.restoreGroupPositions(canvasdata)

  638. 

  639.     # --------------------------------------------------------------------------------------------------------

  640.     # Files (menu actions)

  641. 

  642.     @pyqtSlot()

  643.     def slot_fileNew(self):

  644.         self.slot_pluginRemoveAll()

  645.         self.fProjectFilename = ""

  646.         self.setProperWindowTitle()

  647. 

  648.     @pyqtSlot()

  649.     def slot_fileOpen(self):

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

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

  652. 

  653.         if config_UseQt5:

  654.             filename = filename[0]

  655.         if not filename:

  656.             return

  657. 

  658.         newFile = True

  659. 

  660.         if self.fPluginCount > 0:

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

  662.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  664. 

  665.         if newFile:

  666.             self.slot_pluginRemoveAll()

  667.             self.fProjectFilename = filename

  668.             self.setProperWindowTitle()

  669.             self.loadProjectNow()

  670.         else:

  671.             filenameOld = self.fProjectFilename

  672.             self.fProjectFilename = filename

  673.             self.loadProjectNow()

  674.             self.fProjectFilename = filenameOld

  675. 

  676.     @pyqtSlot()

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

  678.         if self.fProjectFilename and not saveAs:

  679.             return self.saveProjectNow()

  680. 

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

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

  683. 

  684.         if config_UseQt5:

  685.             filename = filename[0]

  686.         if not filename:

  687.             return

  688. 

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

  690.             filename += ".carxp"

  691. 

  692.         if self.fProjectFilename != filename:

  693.             self.fProjectFilename = filename

  694.             self.setProperWindowTitle()

  695. 

  696.         self.saveProjectNow()

  697. 

  698.     @pyqtSlot()

  699.     def slot_fileSaveAs(self):

  700.         self.slot_fileSave(True)

  701. 

  702.     @pyqtSlot()

  703.     def slot_loadProjectNow(self):

  704.         self.loadProjectNow()

  705. 

  706.     # --------------------------------------------------------------------------------------------------------

  707.     # Engine (menu actions)

  708. 

  709.     @pyqtSlot()

  710.     def slot_engineStart(self):

  711.         audioDriver = setEngineSettings(self.host)

  712.         firstInit   = self.fFirstEngineInit

  713. 

  714.         self.fFirstEngineInit = False

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

  716. 

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

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

  719.             return

  720. 

  721.         elif firstInit:

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

  723.             return

  724. 

  725.         audioError = self.host.get_last_error()

  726. 

  727.         if audioError:

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

  729.         else:

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

  731. 

  732.     @pyqtSlot()

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

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

  735. 

  736.         if self.fPluginCount == 0:

  737.             self.engineStopFinal()

  738.             return True

  739. 

  740.         if not forced:

  741.             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"

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

  743.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  744.             if ask != QMessageBox.Yes:

  745.                 return False

  746. 

  747.         return self.slot_engineStopTryAgain()

  748. 

  749.     @pyqtSlot()

  750.     def slot_engineStopTryAgain(self):

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

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

  753.             return False

  754. 

  755.         self.engineStopFinal()

  756.         return True

  757. 

  758.     def engineStopFinal(self):

  759.         self.killTimers()

  760.         self.removeAllPlugins()

  761. 

  762.         if self.host.is_engine_running():

  763.             self.host.remove_all_plugins()

  764. 

  765.             if self.host.engine_close():

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

  767.             else:

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

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

  770. 

  771.         if self.fCustomStopAction == 1:

  772.             self.close()

  773.         elif self.fCustomStopAction == 2:

  774.             self.slot_engineStart()

  775.             self.loadProjectNow()

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

  777. 

  778.         self.fCustomStopAction = 0

  779. 

  780.     # --------------------------------------------------------------------------------------------------------

  781.     # Engine (host callbacks)

  782. 

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

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

  785.         self.fSampleRate = sampleRate

  786. 

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

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

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

  790. 

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

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

  793. 

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

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

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

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

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

  799.         else:

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

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

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

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

  804. 

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

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

  807. 

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

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

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

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

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

  813.             self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  814. 

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

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

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

  818. 

  819.         self.refreshTransport(True)

  820. 

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

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

  823. 

  824.         self.startTimers()

  825. 

  826.     @pyqtSlot()

  827.     def slot_handleEngineStoppedCallback(self):

  828.         patchcanvas.clear()

  829.         self.killTimers()

  830. 

  831.         # just in case

  832.         self.removeAllPlugins()

  833. 

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

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

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

  837. 

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

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

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

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

  842. 

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

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

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

  846. 

  847.     @pyqtSlot(float)

  848.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  849.         self.fSampleRate = newSampleRate

  850.         self.refreshTransport(True)

  851. 

  852.     @pyqtSlot()

  853.     def slot_handleProjectLoadFinishedCallback(self):

  854.         self.fIsProjectLoading = False

  855.         self.projectLoadingFinished()

  856. 

  857.     # --------------------------------------------------------------------------------------------------------

  858.     # Plugins

  859. 

  860.     def removeAllPlugins(self):

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

  862.         patchcanvas.handleAllPluginsRemoved()

  863. 

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

  865.             pass

  866. 

  867.         self.clearSideStuff()

  868. 

  869.         for pitem in self.fPluginList:

  870.             if pitem is None:

  871.                 continue

  872. 

  873.             pitem.close()

  874.             del pitem

  875. 

  876.         self.fPluginCount = 0

  877.         self.fPluginList  = []

  878. 

  879.     # --------------------------------------------------------------------------------------------------------

  880.     # Plugins (menu actions)

  881. 

  882.     def showAddPluginDialog(self):

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

  884. 

  885.         if not dialog.exec_():

  886.             return

  887. 

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

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

  890.             return

  891. 

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

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

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

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

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

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

  898. 

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

  900. 

  901.     def showAddJackAppDialog(self):

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

  903. 

  904.         if not dialog.exec_():

  905.             return

  906. 

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

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

  909.             return

  910. 

  911.         return dialog.getCommandAndFlags()

  912. 

  913.     @pyqtSlot()

  914.     def showPluginActionsMenu(self):

  915.         menu = QMenu(self)

  916. 

  917.         if config_UseQt5:

  918.             menu.addSection("Plugins")

  919.         else:

  920.             # fake section

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

  922.             font = act.font()

  923.             font.setBold(True)

  924.             act.setFont(font)

  925.             act.setEnabled(False)

  926.             menu.addSeparator()

  927. 

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

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

  930. 

  931.         if config_UseQt5:

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

  933.         else:

  934.             # fake space

  935.             act  = menu.addAction(" ")

  936.             font = act.font()

  937.             font.setBold(True)

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

  939.             act.setEnabled(False)

  940. 

  941.             # fake section

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

  943.             font = act.font()

  944.             font.setBold(True)

  945.             act.setFont(font)

  946.             act.setEnabled(False)

  947.             menu.addSeparator()

  948. 

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

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

  951.         menu.addSeparator()

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

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

  954.         menu.addSeparator()

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

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

  957.         menu.addSeparator()

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

  959.         menu.addSeparator()

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

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

  962. 

  963.         menu.exec_(QCursor.pos())

  964. 

  965.     @pyqtSlot()

  966.     def slot_pluginAdd(self):

  967.         data = self.showAddPluginDialog()

  968. 

  969.         if data is None:

  970.             return

  971. 

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

  973. 

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

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

  976. 

  977.     @pyqtSlot()

  978.     def slot_pluginRemoveAll(self):

  979.         if self.fPluginCount == 0:

  980.             return

  981. 

  982.         # FIXME - this is not working

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

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

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

  986.             self.projectLoadingStarted()

  987. 

  988.             app = QApplication.instance()

  989.             app.processEvents()

  990. 

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

  992.                 self.host.remove_plugin(i)

  993.                 app.processEvents()

  994. 

  995.             self.projectLoadingFinished()

  996. 

  997.         self.fCurrentlyRemovingAllPlugins = True

  998.         ok = self.host.remove_all_plugins()

  999.         self.fCurrentlyRemovingAllPlugins = False

  1000. 

  1001.         if ok:

  1002.             self.removeAllPlugins()

  1003.         else:

  1004.             CustomMessageBox(self, QMessageBox.Warning, self.tr("Error"), self.tr("Operation failed"),

  1005.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1006. 

  1007.         self.fCurrentlyRemovingAllPlugins = False

  1008. 

  1009.     @pyqtSlot()

  1010.     def slot_jackAppAdd(self):

  1011.         data = self.showAddJackAppDialog()

  1012. 

  1013.         if data is None:

  1014.             return

  1015. 

  1016.         filename, name, label = data

  1017. 

  1018.         if not filename:

  1019.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Cannot add jack application"),

  1020.                                    self.tr("command is empty"), QMessageBox.Ok, QMessageBox.Ok)

  1021.             return

  1022. 

  1023.         if not self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, filename, name, label, 0, None, 0x0):

  1024.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1025.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1026. 

  1027.     # --------------------------------------------------------------------------------------------------------

  1028.     # Plugins (macros)

  1029. 

  1030.     @pyqtSlot()

  1031.     def slot_pluginsEnable(self):

  1032.         if not self.host.is_engine_running():

  1033.             return

  1034. 

  1035.         for pitem in self.fPluginList:

  1036.             if pitem is None:

  1037.                 break

  1038. 

  1039.             pitem.getWidget().setActive(True, True, True)

  1040. 

  1041.     @pyqtSlot()

  1042.     def slot_pluginsDisable(self):

  1043.         if not self.host.is_engine_running():

  1044.             return

  1045. 

  1046.         for pitem in self.fPluginList:

  1047.             if pitem is None:

  1048.                 break

  1049. 

  1050.             pitem.getWidget().setActive(False, True, True)

  1051. 

  1052.     @pyqtSlot()

  1053.     def slot_pluginsVolume100(self):

  1054.         if not self.host.is_engine_running():

  1055.             return

  1056. 

  1057.         for pitem in self.fPluginList:

  1058.             if pitem is None:

  1059.                 break

  1060. 

  1061.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 1.0)

  1062. 

  1063.     @pyqtSlot()

  1064.     def slot_pluginsMute(self):

  1065.         if not self.host.is_engine_running():

  1066.             return

  1067. 

  1068.         for pitem in self.fPluginList:

  1069.             if pitem is None:

  1070.                 break

  1071. 

  1072.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 0.0)

  1073. 

  1074.     @pyqtSlot()

  1075.     def slot_pluginsWet100(self):

  1076.         if not self.host.is_engine_running():

  1077.             return

  1078. 

  1079.         for pitem in self.fPluginList:

  1080.             if pitem is None:

  1081.                 break

  1082. 

  1083.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 1.0)

  1084. 

  1085.     @pyqtSlot()

  1086.     def slot_pluginsBypass(self):

  1087.         if not self.host.is_engine_running():

  1088.             return

  1089. 

  1090.         for pitem in self.fPluginList:

  1091.             if pitem is None:

  1092.                 break

  1093. 

  1094.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 0.0)

  1095. 

  1096.     @pyqtSlot()

  1097.     def slot_pluginsCenter(self):

  1098.         if not self.host.is_engine_running():

  1099.             return

  1100. 

  1101.         for pitem in self.fPluginList:

  1102.             if pitem is None:

  1103.                 break

  1104. 

  1105.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1106.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1107.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1108. 

  1109.     @pyqtSlot()

  1110.     def slot_pluginsCompact(self):

  1111.         for pitem in self.fPluginList:

  1112.             if pitem is None:

  1113.                 break

  1114.             pitem.compact()

  1115. 

  1116.     @pyqtSlot()

  1117.     def slot_pluginsExpand(self):

  1118.         for pitem in self.fPluginList:

  1119.             if pitem is None:

  1120.                 break

  1121.             pitem.expand()

  1122. 

  1123.     # --------------------------------------------------------------------------------------------------------

  1124.     # Plugins (host callbacks)

  1125. 

  1126.     @pyqtSlot(int, str)

  1127.     def slot_handlePluginAddedCallback(self, pluginId, pluginName):

  1128.         pitem = self.ui.listWidget.createItem(pluginId, self.fSavedSettings[CARLA_KEY_MAIN_USE_CUSTOM_SKINS])

  1129. 

  1130.         self.fPluginList.append(pitem)

  1131.         self.fPluginCount += 1

  1132. 

  1133.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1134. 

  1135.     @pyqtSlot(int)

  1136.     def slot_handlePluginRemovedCallback(self, pluginId):

  1137.         patchcanvas.handlePluginRemoved(pluginId)

  1138. 

  1139.         if pluginId in self.fSelectedPlugins:

  1140.             self.clearSideStuff()

  1141. 

  1142.         pitem = self.getPluginItem(pluginId)

  1143. 

  1144.         self.fPluginCount -= 1

  1145.         self.fPluginList.pop(pluginId)

  1146.         self.ui.listWidget.takeItem(pluginId)

  1147. 

  1148.         if pitem is not None:

  1149.             pitem.close()

  1150.             del pitem

  1151. 

  1152.         # push all plugins 1 slot back

  1153.         for i in range(pluginId, self.fPluginCount):

  1154.             pitem = self.fPluginList[i]

  1155.             pitem.setPluginId(i)

  1156. 

  1157.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1158. 

  1159.     # --------------------------------------------------------------------------------------------------------

  1160.     # Canvas

  1161. 

  1162.     def clearSideStuff(self):

  1163.         self.scene.clearSelection()

  1164. 

  1165.         self.fSelectedPlugins = []

  1166. 

  1167.         self.ui.keyboard.allNotesOff(False)

  1168.         self.ui.scrollArea.setEnabled(False)

  1169. 

  1170.         self.fPeaksCleared = True

  1171.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1172.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1173.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1174.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1175. 

  1176.     def setupCanvas(self):

  1177.         pOptions = patchcanvas.options_t()

  1178.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1179.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1180.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1181.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1182.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1183. 

  1184.         if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY]:

  1185.             pOptions.eyecandy      = patchcanvas.EYECANDY_FULL

  1186.         elif self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]:

  1187.             pOptions.eyecandy      = patchcanvas.EYECANDY_SMALL

  1188.         else:

  1189.             pOptions.eyecandy      = patchcanvas.EYECANDY_NONE

  1190. 

  1191.         pFeatures = patchcanvas.features_t()

  1192.         pFeatures.group_info   = False

  1193.         pFeatures.group_rename = False

  1194.         pFeatures.port_info    = False

  1195.         pFeatures.port_rename  = False

  1196.         pFeatures.handle_group_pos = True

  1197. 

  1198.         patchcanvas.setOptions(pOptions)

  1199.         patchcanvas.setFeatures(pFeatures)

  1200.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1201. 

  1202.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1203. 

  1204.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1205.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1206.             self.fCanvasHeight = int(tryCanvasSize[1])

  1207.         else:

  1208.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1209.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1210. 

  1211.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1212.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1213.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1214. 

  1215.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1216.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1217. 

  1218.     def updateCanvasInitialPos(self):

  1219.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1220.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1221.         patchcanvas.setInitialPos(x, y)

  1222. 

  1223.     def updateMiniCanvasLater(self):

  1224.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1225. 

  1226.     # --------------------------------------------------------------------------------------------------------

  1227.     # Canvas (menu actions)

  1228. 

  1229.     @pyqtSlot()

  1230.     def slot_canvasShowInternal(self):

  1231.         self.fExternalPatchbay = False

  1232.         self.ui.act_canvas_show_internal.blockSignals(True)

  1233.         self.ui.act_canvas_show_external.blockSignals(True)

  1234.         self.ui.act_canvas_show_internal.setChecked(True)

  1235.         self.ui.act_canvas_show_external.setChecked(False)

  1236.         self.ui.act_canvas_show_internal.blockSignals(False)

  1237.         self.ui.act_canvas_show_external.blockSignals(False)

  1238.         self.slot_canvasRefresh()

  1239. 

  1240.     @pyqtSlot()

  1241.     def slot_canvasShowExternal(self):

  1242.         self.fExternalPatchbay = True

  1243.         self.ui.act_canvas_show_internal.blockSignals(True)

  1244.         self.ui.act_canvas_show_external.blockSignals(True)

  1245.         self.ui.act_canvas_show_internal.setChecked(False)

  1246.         self.ui.act_canvas_show_external.setChecked(True)

  1247.         self.ui.act_canvas_show_internal.blockSignals(False)

  1248.         self.ui.act_canvas_show_external.blockSignals(False)

  1249.         self.slot_canvasRefresh()

  1250. 

  1251.     @pyqtSlot()

  1252.     def slot_canvasArrange(self):

  1253.         patchcanvas.arrange()

  1254. 

  1255.     @pyqtSlot()

  1256.     def slot_canvasRefresh(self):

  1257.         patchcanvas.clear()

  1258. 

  1259.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and (self.host.isControl or self.host.isPlugin):

  1260.             return

  1261. 

  1262.         if self.host.is_engine_running():

  1263.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1264. 

  1265.         self.updateMiniCanvasLater()

  1266. 

  1267.     @pyqtSlot()

  1268.     def slot_canvasZoomFit(self):

  1269.         self.scene.zoom_fit()

  1270. 

  1271.     @pyqtSlot()

  1272.     def slot_canvasZoomIn(self):

  1273.         self.scene.zoom_in()

  1274. 

  1275.     @pyqtSlot()

  1276.     def slot_canvasZoomOut(self):

  1277.         self.scene.zoom_out()

  1278. 

  1279.     @pyqtSlot()

  1280.     def slot_canvasZoomReset(self):

  1281.         self.scene.zoom_reset()

  1282. 

  1283.     @pyqtSlot()

  1284.     def slot_canvasSaveImage(self):

  1285.         newPath = QFileDialog.getSaveFileName(self, self.tr("Save Image"), filter=self.tr("PNG Image (*.png);;JPEG Image (*.jpg)"))

  1286. 

  1287.         if config_UseQt5:

  1288.             newPath = newPath[0]

  1289.         if not newPath:

  1290.             return

  1291. 

  1292.         self.scene.clearSelection()

  1293. 

  1294.         if newPath.lower().endswith((".jpg", ".jpeg")):

  1295.             imgFormat = "JPG"

  1296.         elif newPath.lower().endswith((".png",)):

  1297.             imgFormat = "PNG"

  1298.         else:

  1299.             # File-dialog may not auto-add the extension

  1300.             imgFormat = "PNG"

  1301.             newPath  += ".png"

  1302. 

  1303.         self.fExportImage = QImage(self.scene.sceneRect().width(), self.scene.sceneRect().height(), QImage.Format_RGB32)

  1304.         painter = QPainter(self.fExportImage)

  1305.         painter.save()

  1306.         painter.setRenderHint(QPainter.Antialiasing) # TODO - set true, cleanup this

  1307.         painter.setRenderHint(QPainter.TextAntialiasing)

  1308.         self.scene.render(painter)

  1309.         self.fExportImage.save(newPath, imgFormat, 100)

  1310.         painter.restore()

  1311. 

  1312.     # --------------------------------------------------------------------------------------------------------

  1313.     # Canvas (canvas callbacks)

  1314. 

  1315.     @pyqtSlot(int, int, QPointF)

  1316.     def slot_canvasItemMoved(self, group_id, split_mode, pos):

  1317.         self.updateMiniCanvasLater()

  1318. 

  1319.     @pyqtSlot(float)

  1320.     def slot_canvasScaleChanged(self, scale):

  1321.         self.ui.miniCanvasPreview.setViewScale(scale)

  1322. 

  1323.     @pyqtSlot(list)

  1324.     def slot_canvasPluginSelected(self, pluginList):

  1325.         self.ui.keyboard.allNotesOff(False)

  1326.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1327.         self.fSelectedPlugins = pluginList

  1328. 

  1329.     # --------------------------------------------------------------------------------------------------------

  1330.     # Canvas (host callbacks)

  1331. 

  1332.     @pyqtSlot(int, int, int, str)

  1333.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1334.         pcSplit = patchcanvas.SPLIT_UNDEF

  1335.         pcIcon  = patchcanvas.ICON_APPLICATION

  1336. 

  1337.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1338.             pcIcon = patchcanvas.ICON_PLUGIN

  1339.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1340.             pcIcon = patchcanvas.ICON_HARDWARE

  1341.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1342.             pass

  1343.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1344.             pcIcon = patchcanvas.ICON_DISTRHO

  1345.         elif clientIcon == PATCHBAY_ICON_FILE:

  1346.             pcIcon = patchcanvas.ICON_FILE

  1347. 

  1348.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1349. 

  1350.         self.updateMiniCanvasLater()

  1351. 

  1352.         if pluginId < 0:

  1353.             return

  1354.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1355.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1356.             return

  1357. 

  1358.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1359.             hasCustomUI = False

  1360.         else:

  1361.             hasCustomUI = bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI)

  1362. 

  1363.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI)

  1364. 

  1365.     @pyqtSlot(int)

  1366.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1367.         patchcanvas.removeGroup(clientId)

  1368.         self.updateMiniCanvasLater()

  1369. 

  1370.     @pyqtSlot(int, str)

  1371.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1372.         patchcanvas.renameGroup(clientId, newClientName)

  1373.         self.updateMiniCanvasLater()

  1374. 

  1375.     @pyqtSlot(int, int, int)

  1376.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1377.         pcIcon = patchcanvas.ICON_APPLICATION

  1378. 

  1379.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1380.             pcIcon = patchcanvas.ICON_PLUGIN

  1381.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1382.             pcIcon = patchcanvas.ICON_HARDWARE

  1383.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1384.             pass

  1385.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1386.             pcIcon = patchcanvas.ICON_DISTRHO

  1387.         elif clientIcon == PATCHBAY_ICON_FILE:

  1388.             pcIcon = patchcanvas.ICON_FILE

  1389. 

  1390.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1391.         self.updateMiniCanvasLater()

  1392. 

  1393.         if pluginId < 0:

  1394.             return

  1395.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1396.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1397.             return

  1398. 

  1399.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1400.             hasCustomUI = False

  1401.         else:

  1402.             hasCustomUI = bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI)

  1403. 

  1404.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI)

  1405. 

  1406.     @pyqtSlot(int, int, int, str)

  1407.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portName):

  1408.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1409.             portMode = patchcanvas.PORT_MODE_INPUT

  1410.         else:

  1411.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1412. 

  1413.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1414.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1415.             isAlternate = False

  1416.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1417.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1418.             isAlternate = True

  1419.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1420.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1421.             isAlternate = False

  1422.         else:

  1423.             portType    = patchcanvas.PORT_TYPE_NULL

  1424.             isAlternate = False

  1425. 

  1426.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1427.         self.updateMiniCanvasLater()

  1428. 

  1429.     @pyqtSlot(int, int)

  1430.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  1431.         patchcanvas.removePort(groupId, portId)

  1432.         self.updateMiniCanvasLater()

  1433. 

  1434.     @pyqtSlot(int, int, str)

  1435.     def slot_handlePatchbayPortRenamedCallback(self, groupId, portId, newPortName):

  1436.         patchcanvas.renamePort(groupId, portId, newPortName)

  1437.         self.updateMiniCanvasLater()

  1438. 

  1439.     @pyqtSlot(int, int, int, int, int)

  1440.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1441.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1442.         self.updateMiniCanvasLater()

  1443. 

  1444.     @pyqtSlot(int, int, int)

  1445.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1446.         patchcanvas.disconnectPorts(connectionId)

  1447.         self.updateMiniCanvasLater()

  1448. 

  1449.     # --------------------------------------------------------------------------------------------------------

  1450.     # Settings

  1451. 

  1452.     def saveSettings(self):

  1453.         settings = QSettings()

  1454. 

  1455.         settings.setValue("Geometry", self.saveGeometry())

  1456. 

  1457.         #settings.setValue("SplitterState", self.ui.splitter.saveState())

  1458. 

  1459.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  1460. 

  1461.         settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  1462. 

  1463.         diskFolders = []

  1464. 

  1465.         for i in range(self.ui.cb_disk.count()):

  1466.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1467. 

  1468.         settings.setValue("DiskFolders", diskFolders)

  1469. 

  1470.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1471.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1472.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1473.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1474. 

  1475.     def loadSettings(self, firstTime):

  1476.         settings = QSettings()

  1477. 

  1478.         if firstTime:

  1479.             self.restoreGeometry(settings.value("Geometry", b""))

  1480. 

  1481.             showToolbar = settings.value("ShowToolbar", True, type=bool)

  1482.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1483.             self.ui.toolBar.setEnabled(showToolbar)

  1484.             self.ui.toolBar.setVisible(showToolbar)

  1485. 

  1486.             #if settings.contains("SplitterState"):

  1487.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  1488.             #else:

  1489.                 #self.ui.splitter.setSizes([210, 99999])

  1490. 

  1491.             showSidePanel = settings.value("ShowSidePanel", True, type=bool)

  1492.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  1493.             self.ui.dockWidget.setEnabled(showSidePanel)

  1494.             self.ui.dockWidget.setVisible(showSidePanel)

  1495. 

  1496.             diskFolders = toList(settings.value("DiskFolders", [HOME]))

  1497. 

  1498.             self.ui.cb_disk.setItemData(0, HOME)

  1499. 

  1500.             for i in range(len(diskFolders)):

  1501.                 if i == 0: continue

  1502.                 folder = diskFolders[i]

  1503.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1504. 

  1505.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, type=bool):

  1506.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1507. 

  1508.             showMeters = settings.value("ShowMeters", False, type=bool)

  1509.             self.ui.act_settings_show_meters.setChecked(showMeters)

  1510.             self.ui.peak_in.setVisible(showMeters)

  1511.             self.ui.peak_out.setVisible(showMeters)

  1512. 

  1513.             showKeyboard = settings.value("ShowKeyboard", not(MACOS or WINDOWS), type=bool)

  1514.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  1515.             self.ui.scrollArea.setVisible(showKeyboard)

  1516. 

  1517.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  1518. 

  1519.         # TODO - complete this

  1520. 

  1521.         self.fSavedSettings = {

  1522.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      type=str),

  1523.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    type=int),

  1524.             CARLA_KEY_MAIN_USE_CUSTOM_SKINS:    settings.value(CARLA_KEY_MAIN_USE_CUSTOM_SKINS,    CARLA_DEFAULT_MAIN_USE_CUSTOM_SKINS,    type=bool),

  1525.             CARLA_KEY_MAIN_EXPERIMENTAL:        settings.value(CARLA_KEY_MAIN_EXPERIMENTAL,        CARLA_DEFAULT_MAIN_EXPERIMENTAL,        type=bool),

  1526.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             type=str),

  1527.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              type=str),

  1528.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  type=bool),

  1529.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, type=bool),

  1530.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  type=bool),

  1531.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         type=bool),

  1532.             CARLA_KEY_CANVAS_FANCY_EYE_CANDY:   settings.value(CARLA_KEY_CANVAS_FANCY_EYE_CANDY,   CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY,   type=bool),

  1533.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        type=bool),

  1534.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      type=int),

  1535.             CARLA_KEY_CANVAS_HQ_ANTIALIASING:   settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   type=bool),

  1536.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   type=bool) and

  1537.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", type=str).lower() == "black"),

  1538.         }

  1539. 

  1540.         settings = QSettings("falkTX", "Carla2")

  1541. 

  1542.         if self.host.experimental:

  1543.             self.ui.act_add_jack.setVisible(settings.value(CARLA_KEY_EXPERIMENTAL_JACK_APPS,

  1544.                                                            CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS, type=bool))

  1545.         else:

  1546.             self.ui.act_add_jack.setVisible(False)

  1547. 

  1548.         if not (self.host.isControl or self.host.isPlugin):

  1549.             if self.ui.cb_transport_jack.isChecked():

  1550.                 transportMode = ENGINE_TRANSPORT_MODE_JACK

  1551.             else:

  1552.                 transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  1553.             transportExtra = ":link:" if self.ui.cb_transport_link.isChecked() else ""

  1554. 

  1555.             self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1556.             self.host.transportMode = transportMode

  1557.             self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, transportMode, transportExtra)

  1558. 

  1559.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY] else 0

  1560. 

  1561.         setEngineSettings(self.host)

  1562.         self.restartTimersIfNeeded()

  1563. 

  1564.     # --------------------------------------------------------------------------------------------------------

  1565.     # Settings (helpers)

  1566. 

  1567.     def enableTransport(self, enabled):

  1568.         self.ui.group_transport_controls.setEnabled(enabled)

  1569.         self.ui.group_transport_settings.setEnabled(enabled)

  1570. 

  1571.     @pyqtSlot()

  1572.     def slot_restoreCanvasScrollbarValues(self):

  1573.         settings = QSettings()

  1574.         self.ui.graphicsView.horizontalScrollBar().setValue(settings.value("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().maximum()/2, type=int))

  1575.         self.ui.graphicsView.verticalScrollBar().setValue(settings.value("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().maximum()/2, type=int))

  1576. 

  1577.     # --------------------------------------------------------------------------------------------------------

  1578.     # Settings (menu actions)

  1579. 

  1580.     @pyqtSlot(bool)

  1581.     def slot_showSidePanel(self, yesNo):

  1582.         self.ui.dockWidget.setEnabled(yesNo)

  1583.         self.ui.dockWidget.setVisible(yesNo)

  1584. 

  1585.     @pyqtSlot(bool)

  1586.     def slot_showToolbar(self, yesNo):

  1587.         self.ui.toolBar.setEnabled(yesNo)

  1588.         self.ui.toolBar.setVisible(yesNo)

  1589. 

  1590.     @pyqtSlot(bool)

  1591.     def slot_showCanvasMeters(self, yesNo):

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

  1593.         self.ui.peak_out.setVisible(yesNo)

  1594.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1595. 

  1596.     @pyqtSlot(bool)

  1597.     def slot_showCanvasKeyboard(self, yesNo):

  1598.         self.ui.scrollArea.setVisible(yesNo)

  1599.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1600. 

  1601.     @pyqtSlot()

  1602.     def slot_configureCarla(self):

  1603.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  1604.         if not dialog.exec_():

  1605.             return

  1606. 

  1607.         self.loadSettings(False)

  1608. 

  1609.         patchcanvas.clear()

  1610. 

  1611.         self.setupCanvas()

  1612.         self.slot_miniCanvasCheckAll()

  1613. 

  1614.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1615.             pass

  1616.         elif self.host.is_engine_running():

  1617.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1618. 

  1619.         for pitem in self.fPluginList:

  1620.             if pitem is None:

  1621.                 break

  1622.             pitem.setUsingSkins(self.fSavedSettings[CARLA_KEY_MAIN_USE_CUSTOM_SKINS])

  1623.             pitem.recreateWidget()

  1624. 

  1625.     # --------------------------------------------------------------------------------------------------------

  1626.     # About (menu actions)

  1627. 

  1628.     @pyqtSlot()

  1629.     def slot_aboutCarla(self):

  1630.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  1631. 

  1632.     @pyqtSlot()

  1633.     def slot_aboutQt(self):

  1634.         QApplication.instance().aboutQt()

  1635. 

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

  1637.     # Disk (menu actions)

  1638. 

  1639.     @pyqtSlot(int)

  1640.     def slot_diskFolderChanged(self, index):

  1641.         if index < 0:

  1642.             return

  1643.         elif index == 0:

  1644.             filename = HOME

  1645.             self.ui.b_disk_remove.setEnabled(False)

  1646.         else:

  1647.             filename = self.ui.cb_disk.itemData(index)

  1648.             self.ui.b_disk_remove.setEnabled(True)

  1649. 

  1650.         self.fDirModel.setRootPath(filename)

  1651.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  1652. 

  1653.     @pyqtSlot()

  1654.     def slot_diskFolderAdd(self):

  1655.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  1656. 

  1657.         if newPath:

  1658.             if newPath[-1] == os.sep:

  1659.                 newPath = newPath[:-1]

  1660.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  1661.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  1662.             self.ui.b_disk_remove.setEnabled(True)

  1663. 

  1664.     @pyqtSlot()

  1665.     def slot_diskFolderRemove(self):

  1666.         index = self.ui.cb_disk.currentIndex()

  1667. 

  1668.         if index <= 0:

  1669.             return

  1670. 

  1671.         self.ui.cb_disk.removeItem(index)

  1672. 

  1673.         if self.ui.cb_disk.currentIndex() == 0:

  1674.             self.ui.b_disk_remove.setEnabled(False)

  1675. 

  1676.     @pyqtSlot(QModelIndex)

  1677.     def slot_fileTreeDoubleClicked(self, modelIndex):

  1678.         filename = self.fDirModel.filePath(modelIndex)

  1679. 

  1680.         if not self.ui.listWidget.isDragUrlValid(filename):

  1681.             return

  1682. 

  1683.         if not self.host.load_file(filename):

  1684.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  1685.                              self.tr("Failed to load file"),

  1686.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1687. 

  1688.     # --------------------------------------------------------------------------------------------------------

  1689.     # Transport

  1690. 

  1691.     def refreshTransport(self, forced = False):

  1692.         if not self.isVisible():

  1693.             return

  1694.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  1695.             return

  1696. 

  1697.         timeInfo = self.host.get_transport_info()

  1698.         playing  = timeInfo['playing']

  1699.         frame    = timeInfo['frame']

  1700.         bpm      = timeInfo['bpm']

  1701. 

  1702.         if playing != self.fLastTransportState or forced:

  1703.             if playing:

  1704.                 icon = getIcon("media-playback-pause")

  1705.                 self.ui.b_transport_play.setChecked(True)

  1706.                 self.ui.b_transport_play.setIcon(icon)

  1707.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  1708.             else:

  1709.                 icon = getIcon("media-playback-start")

  1710.                 self.ui.b_transport_play.setChecked(False)

  1711.                 self.ui.b_transport_play.setIcon(icon)

  1712.                 #self.ui.b_play.setText(self.tr("&Play"))

  1713. 

  1714.             self.fLastTransportState = playing

  1715. 

  1716.         if frame != self.fLastTransportFrame or forced:

  1717.             self.fLastTransportFrame = frame

  1718. 

  1719.             time = frame / self.fSampleRate

  1720.             secs =  time % 60

  1721.             mins = (time / 60) % 60

  1722.             hrs  = (time / 3600) % 60

  1723.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  1724. 

  1725.             frame1 =  frame % 1000

  1726.             frame2 = (frame / 1000) % 1000

  1727.             frame3 = (frame / 1000000) % 1000

  1728.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  1729. 

  1730.             bar  = timeInfo['bar']

  1731.             beat = timeInfo['beat']

  1732.             tick = timeInfo['tick']

  1733.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  1734. 

  1735.         if bpm != self.fLastTransportBPM or forced:

  1736.             self.fLastTransportBPM = bpm

  1737. 

  1738.             if bpm > 0.0:

  1739.                 self.ui.dsb_transport_bpm.blockSignals(True)

  1740.                 self.ui.dsb_transport_bpm.setValue(bpm)

  1741.                 self.ui.dsb_transport_bpm.blockSignals(False)

  1742.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  1743.             else:

  1744.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  1745. 

  1746.     # --------------------------------------------------------------------------------------------------------

  1747.     # Transport (menu actions)

  1748. 

  1749.     @pyqtSlot(bool)

  1750.     def slot_transportPlayPause(self, toggled):

  1751.         if self.host.isPlugin or not self.host.is_engine_running():

  1752.             return

  1753. 

  1754.         if toggled:

  1755.             self.host.transport_play()

  1756.         else:

  1757.             self.host.transport_pause()

  1758. 

  1759.         self.refreshTransport()

  1760. 

  1761.     @pyqtSlot()

  1762.     def slot_transportStop(self):

  1763.         if self.host.isPlugin or not self.host.is_engine_running():

  1764.             return

  1765. 

  1766.         self.host.transport_pause()

  1767.         self.host.transport_relocate(0)

  1768. 

  1769.         self.refreshTransport()

  1770. 

  1771.     @pyqtSlot()

  1772.     def slot_transportBackwards(self):

  1773.         if self.host.isPlugin or not self.host.is_engine_running():

  1774.             return

  1775. 

  1776.         newFrame = self.host.get_current_transport_frame() - 100000

  1777. 

  1778.         if newFrame < 0:

  1779.             newFrame = 0

  1780. 

  1781.         self.host.transport_relocate(newFrame)

  1782. 

  1783.     @pyqtSlot(float)

  1784.     def slot_transportBpmChanged(self, newValue):

  1785.         self.host.transport_bpm(newValue)

  1786. 

  1787.     @pyqtSlot()

  1788.     def slot_transportForwards(self):

  1789.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  1790.             return

  1791. 

  1792.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  1793.         self.host.transport_relocate(newFrame)

  1794. 

  1795.     @pyqtSlot(bool)

  1796.     def slot_transportJackEnabled(self, clicked):

  1797.         if not self.host.is_engine_running():

  1798.             return

  1799.         mode  = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  1800.         extra = ":link:" if self.ui.cb_transport_link.isChecked() else ""

  1801.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, extra)

  1802. 

  1803.     @pyqtSlot(bool)

  1804.     def slot_transportLinkEnabled(self, clicked):

  1805.         if not self.host.is_engine_running():

  1806.             return

  1807.         mode  = ENGINE_TRANSPORT_MODE_JACK if self.ui.cb_transport_jack.isChecked() else ENGINE_TRANSPORT_MODE_INTERNAL

  1808.         extra = ":link:" if clicked else ""

  1809.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, extra)

  1810. 

  1811.     # --------------------------------------------------------------------------------------------------------

  1812.     # Canvas scrollbars

  1813. 

  1814.     @pyqtSlot(int)

  1815.     def slot_horizontalScrollBarChanged(self, value):

  1816.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  1817.         if maximum == 0:

  1818.             xp = 0

  1819.         else:

  1820.             xp = float(value) / maximum

  1821.         self.ui.miniCanvasPreview.setViewPosX(xp)

  1822.         self.updateCanvasInitialPos()

  1823. 

  1824.     @pyqtSlot(int)

  1825.     def slot_verticalScrollBarChanged(self, value):

  1826.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  1827.         if maximum == 0:

  1828.             yp = 0

  1829.         else:

  1830.             yp = float(value) / maximum

  1831.         self.ui.miniCanvasPreview.setViewPosY(yp)

  1832.         self.updateCanvasInitialPos()

  1833. 

  1834.     # --------------------------------------------------------------------------------------------------------

  1835.     # Canvas keyboard

  1836. 

  1837.     @pyqtSlot(int)

  1838.     def slot_noteOn(self, note):

  1839.         for pluginId in self.fSelectedPlugins:

  1840.             self.host.send_midi_note(pluginId, 0, note, 100)

  1841. 

  1842.             pedit = self.getPluginEditDialog(pluginId)

  1843.             pedit.noteOn(0, note, 100)

  1844. 

  1845.     @pyqtSlot(int)

  1846.     def slot_noteOff(self, note):

  1847.         for pluginId in self.fSelectedPlugins:

  1848.             self.host.send_midi_note(pluginId, 0, note, 0)

  1849. 

  1850.             pedit = self.getPluginEditDialog(pluginId)

  1851.             pedit.noteOff(0, note)

  1852. 

  1853.     # --------------------------------------------------------------------------------------------------------

  1854.     # Canvas keyboard (host callbacks)

  1855. 

  1856.     @pyqtSlot(int, int, int, int)

  1857.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  1858.         if pluginId in self.fSelectedPlugins:

  1859.             self.ui.keyboard.sendNoteOn(note, False)

  1860. 

  1861.     @pyqtSlot(int, int, int)

  1862.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  1863.         if pluginId in self.fSelectedPlugins:

  1864.             self.ui.keyboard.sendNoteOff(note, False)

  1865. 

  1866.     # --------------------------------------------------------------------------------------------------------

  1867. 

  1868.     @pyqtSlot(int)

  1869.     def slot_handleUpdateCallback(self, pluginId):

  1870.         pitem = self.getPluginItem(pluginId)

  1871. 

  1872.         if pitem is None:

  1873.             return

  1874. 

  1875.         wasCompacted = pitem.isCompacted()

  1876.         isCompacted  = wasCompacted

  1877. 

  1878.         for i in range(self.host.get_custom_data_count(pluginId)):

  1879.             cdata = self.host.get_custom_data(pluginId, i)

  1880. 

  1881.             if cdata['type'] == CUSTOM_DATA_TYPE_PROPERTY and cdata['key'] == "CarlaSkinIsCompacted":

  1882.                 isCompacted = bool(cdata['value'] == "true")

  1883.                 break

  1884.         else:

  1885.             return

  1886. 

  1887.         if wasCompacted == isCompacted:

  1888.             return

  1889. 

  1890.         pitem.recreateWidget(True)

  1891. 

  1892.     # --------------------------------------------------------------------------------------------------------

  1893.     # MiniCanvas stuff

  1894. 

  1895.     @pyqtSlot()

  1896.     def slot_miniCanvasCheckAll(self):

  1897.         self.slot_miniCanvasCheckSize()

  1898.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  1899.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  1900. 

  1901.     @pyqtSlot()

  1902.     def slot_miniCanvasCheckSize(self):

  1903.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  1904.             return

  1905. 

  1906.         currentIndex = self.ui.tabWidget.currentIndex()

  1907. 

  1908.         if currentIndex == 1:

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

  1910.             height = self.ui.graphicsView.height()

  1911.         else:

  1912.             self.ui.tabWidget.blockSignals(True)

  1913.             self.ui.tabWidget.setCurrentIndex(1)

  1914.             width  = self.ui.graphicsView.width()

  1915.             height = self.ui.graphicsView.height()

  1916.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  1917.             self.ui.tabWidget.blockSignals(False)

  1918. 

  1919.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  1920. 

  1921.     @pyqtSlot(float, float)

  1922.     def slot_miniCanvasMoved(self, xp, yp):

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

  1924.         vsb = self.ui.graphicsView.verticalScrollBar()

  1925.         hsb.setValue(xp * hsb.maximum())

  1926.         vsb.setValue(yp * vsb.maximum())

  1927.         self.updateCanvasInitialPos()

  1928. 

  1929.     # --------------------------------------------------------------------------------------------------------

  1930.     # Timers

  1931. 

  1932.     def startTimers(self):

  1933.         if self.fIdleTimerFast == 0:

  1934.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  1935. 

  1936.         if self.fIdleTimerSlow == 0:

  1937.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  1938. 

  1939.     def restartTimersIfNeeded(self):

  1940.         if self.fIdleTimerFast != 0:

  1941.             self.killTimer(self.fIdleTimerFast)

  1942.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  1943. 

  1944.         if self.fIdleTimerSlow != 0:

  1945.             self.killTimer(self.fIdleTimerSlow)

  1946.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  1947. 

  1948.     def killTimers(self):

  1949.         if self.fIdleTimerFast != 0:

  1950.             self.killTimer(self.fIdleTimerFast)

  1951.             self.fIdleTimerFast = 0

  1952. 

  1953.         if self.fIdleTimerSlow != 0:

  1954.             self.killTimer(self.fIdleTimerSlow)

  1955.             self.fIdleTimerSlow = 0

  1956. 

  1957.     # --------------------------------------------------------------------------------------------------------

  1958.     # Misc

  1959. 

  1960.     @pyqtSlot(int)

  1961.     def slot_tabChanged(self, index):

  1962.         if index != 1:

  1963.             return

  1964. 

  1965.         self.ui.graphicsView.setFocus()

  1966. 

  1967.     @pyqtSlot(int)

  1968.     def slot_handleReloadAllCallback(self, pluginId):

  1969.         if pluginId >= self.fPluginCount:

  1970.             return

  1971. 

  1972.         pitem = self.fPluginList[pluginId]

  1973.         if pitem is None:

  1974.             return

  1975. 

  1976.         pitem.recreateWidget()

  1977. 

  1978.     # --------------------------------------------------------------------------------------------------------

  1979. 

  1980.     @pyqtSlot(int, int, str)

  1981.     def slot_handleNSMCallback(self, value1, value2, valueStr):

  1982.         # Error

  1983.         if value1 == 0:

  1984.             pass

  1985. 

  1986.         # Reply

  1987.         elif value1 == 1:

  1988.             self.fFirstEngineInit    = False

  1989.             self.fSessionManagerName = valueStr

  1990.             self.setProperWindowTitle()

  1991. 

  1992.         # Open

  1993.         elif value1 == 2:

  1994.             self.fClientName      = os.path.basename(valueStr)

  1995.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  1996.             self.setProperWindowTitle()

  1997. 

  1998.             self.fCustomStopAction = 2

  1999.             self.slot_engineStop(True)

  2000.             return

  2001. 

  2002.         # Save

  2003.         elif value1 == 3:

  2004.             self.saveProjectNow()

  2005. 

  2006.         # Session is Loaded

  2007.         elif value1 == 4:

  2008.             pass

  2009. 

  2010.         # Show Optional Gui

  2011.         elif value1 == 5:

  2012.             self.show()

  2013. 

  2014.         # Hide Optional Gui

  2015.         elif value1 == 6:

  2016.             self.hide()

  2017. 

  2018.         self.host.nsm_ready(value1)

  2019. 

  2020.     # --------------------------------------------------------------------------------------------------------

  2021. 

  2022.     def fixLogText(self, text):

  2023.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  2024. 

  2025.     @pyqtSlot(int, int, int, float, str)

  2026.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valueStr):

  2027.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  2028. 

  2029.     @pyqtSlot(str)

  2030.     def slot_handleInfoCallback(self, info):

  2031.         QMessageBox.information(self, "Information", info)

  2032. 

  2033.     @pyqtSlot(str)

  2034.     def slot_handleErrorCallback(self, error):

  2035.         QMessageBox.critical(self, "Error", error)

  2036. 

  2037.     @pyqtSlot()

  2038.     def slot_handleQuitCallback(self):

  2039.         pass # TODO

  2040. 

  2041.     # --------------------------------------------------------------------------------------------------------

  2042. 

  2043.     @pyqtSlot()

  2044.     def slot_handleSIGUSR1(self):

  2045.         print("Got SIGUSR1 -> Saving project now")

  2046.         self.slot_fileSave()

  2047. 

  2048.     @pyqtSlot()

  2049.     def slot_handleSIGTERM(self):

  2050.         print("Got SIGTERM -> Closing now")

  2051.         self.fCustomStopAction = 1

  2052.         self.slot_engineStop(True)

  2053. 

  2054.     # --------------------------------------------------------------------------------------------------------

  2055.     # Internal stuff

  2056. 

  2057.     def getExtraPtr(self, plugin):

  2058.         ptype = plugin['type']

  2059. 

  2060.         if ptype == PLUGIN_LADSPA:

  2061.             uniqueId = plugin['uniqueId']

  2062. 

  2063.             self.maybeLoadRDFs()

  2064. 

  2065.             for rdfItem in self.fLadspaRdfList:

  2066.                 if rdfItem.UniqueID == uniqueId:

  2067.                     return pointer(rdfItem)

  2068. 

  2069.         elif ptype in (PLUGIN_GIG, PLUGIN_SF2):

  2070.             if plugin['name'].lower().endswith(" (16 outputs)"):

  2071.                 return self._true

  2072. 

  2073.         return None

  2074. 

  2075.     def maybeLoadRDFs(self):

  2076.         if not self.fLadspaRdfNeedsUpdate:

  2077.             return

  2078. 

  2079.         self.fLadspaRdfNeedsUpdate = False

  2080.         self.fLadspaRdfList = []

  2081. 

  2082.         if not haveLRDF:

  2083.             return

  2084. 

  2085.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  2086.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  2087. 

  2088.         if os.path.exists(frLadspaFile):

  2089.             frLadspa = open(frLadspaFile, 'r')

  2090. 

  2091.             try:

  2092.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  2093.             except:

  2094.                 pass

  2095. 

  2096.             frLadspa.close()

  2097. 

  2098.     # --------------------------------------------------------------------------------------------------------

  2099. 

  2100.     def getPluginItem(self, pluginId):

  2101.         if pluginId >= self.fPluginCount:

  2102.             return None

  2103. 

  2104.         pitem = self.fPluginList[pluginId]

  2105.         if pitem is None:

  2106.             return None

  2107.         #if False:

  2108.             #return CarlaRackItem(self, 0, False)

  2109. 

  2110.         return pitem

  2111. 

  2112.     def getPluginEditDialog(self, pluginId):

  2113.         if pluginId >= self.fPluginCount:

  2114.             return None

  2115. 

  2116.         pitem = self.fPluginList[pluginId]

  2117.         if pitem is None:

  2118.             return None

  2119.         if False:

  2120.             return PluginEdit(self, self.host, 0)

  2121. 

  2122.         return pitem.getEditDialog()

  2123. 

  2124.     def getPluginSlotWidget(self, pluginId):

  2125.         if pluginId >= self.fPluginCount:

  2126.             return None

  2127. 

  2128.         pitem = self.fPluginList[pluginId]

  2129.         if pitem is None:

  2130.             return None

  2131.         #if False:

  2132.             #return AbstractPluginSlot()

  2133. 

  2134.         return pitem.getWidget()

  2135. 

  2136.     # --------------------------------------------------------------------------------------------------------

  2137. 

  2138.     def waitForPendingEvents(self):

  2139.         pass

  2140. 

  2141.     # --------------------------------------------------------------------------------------------------------

  2142.     # show/hide event

  2143. 

  2144.     def showEvent(self, event):

  2145.         self.refreshTransport(True)

  2146.         QMainWindow.showEvent(self, event)

  2147. 

  2148.         # set our gui as parent for all plugins UIs

  2149.         if self.host.manageUIs and not (self.host.isControl or self.host.isPlugin):

  2150.             if MACOS:

  2151.                 nsViewPtr = int(self.winId())

  2152.                 winIdStr  = "%x" % gCarla.utils.cocoa_get_window(nsViewPtr)

  2153.             else:

  2154.                 winIdStr = "%x" % int(self.winId())

  2155.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2156. 

  2157.     def hideEvent(self, event):

  2158.         # disable parent

  2159.         if not (self.host.isControl or self.host.isPlugin):

  2160.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2161. 

  2162.         QMainWindow.hideEvent(self, event)

  2163. 

  2164.     # --------------------------------------------------------------------------------------------------------

  2165.     # resize event

  2166. 

  2167.     def fixCanvasPreviewSize(self):

  2168.         self.ui.patchbay.resize(self.ui.rack.size())

  2169.         self.slot_miniCanvasCheckSize()

  2170. 

  2171.     def resizeEvent(self, event):

  2172.         QMainWindow.resizeEvent(self, event)

  2173. 

  2174.         if self.ui.tabWidget.currentIndex() != 1:

  2175.             size = self.ui.rack.size()

  2176.             self.ui.patchbay.resize(size)

  2177. 

  2178.         self.slot_miniCanvasCheckSize()

  2179. 

  2180.     # --------------------------------------------------------------------------------------------------------

  2181.     # timer event

  2182. 

  2183.     def idleFast(self):

  2184.         self.host.engine_idle()

  2185.         self.refreshTransport()

  2186. 

  2187.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2188.             return

  2189. 

  2190.         for pitem in self.fPluginList:

  2191.             if pitem is None:

  2192.                 break

  2193. 

  2194.             pitem.getWidget().idleFast()

  2195. 

  2196.         for pluginId in self.fSelectedPlugins:

  2197.             self.fPeaksCleared = False

  2198.             if self.ui.peak_in.isVisible():

  2199.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2200.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2201.             if self.ui.peak_out.isVisible():

  2202.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2203.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2204.             return

  2205. 

  2206.         if self.fPeaksCleared:

  2207.             return

  2208. 

  2209.         self.fPeaksCleared = True

  2210.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2211.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2212.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2213.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2214. 

  2215.     def idleSlow(self):

  2216.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2217.             return

  2218. 

  2219.         for pitem in self.fPluginList:

  2220.             if pitem is None:

  2221.                 break

  2222. 

  2223.             pitem.getWidget().idleSlow()

  2224. 

  2225.     def timerEvent(self, event):

  2226.         if event.timerId() == self.fIdleTimerFast:

  2227.             self.idleFast()

  2228. 

  2229.         elif event.timerId() == self.fIdleTimerSlow:

  2230.             self.idleSlow()

  2231. 

  2232.         QMainWindow.timerEvent(self, event)

  2233. 

  2234.     # --------------------------------------------------------------------------------------------------------

  2235.     # paint event

  2236. 

  2237.     #def paintEvent(self, event):

  2238.         #QMainWindow.paintEvent(self, event)

  2239. 

  2240.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2241.             #return

  2242. 

  2243.         #painter = QPainter(self)

  2244.         #painter.setBrush(QColor(36, 36, 36))

  2245.         #painter.setPen(QColor(62, 62, 62))

  2246.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2247. 

  2248.     # --------------------------------------------------------------------------------------------------------

  2249.     # close event

  2250. 

  2251.     def closeEvent(self, event):

  2252.         self.killTimers()

  2253.         self.saveSettings()

  2254. 

  2255.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  2256.             if not self.slot_engineStop(True):

  2257.                 self.fCustomStopAction = 1

  2258.                 event.ignore()

  2259.                 return

  2260. 

  2261.         QMainWindow.closeEvent(self, event)

  2262. 

  2263. # ------------------------------------------------------------------------------------------------

  2264. # Canvas callback

  2265. 

  2266. def canvasCallback(action, value1, value2, valueStr):

  2267.     host = gCarla.gui.host

  2268. 

  2269.     if action == patchcanvas.ACTION_GROUP_INFO:

  2270.         pass

  2271. 

  2272.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  2273.         pass

  2274. 

  2275.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  2276.         groupId = value1

  2277.         patchcanvas.splitGroup(groupId)

  2278.         gCarla.gui.updateMiniCanvasLater()

  2279. 

  2280.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  2281.         groupId = value1

  2282.         patchcanvas.joinGroup(groupId)

  2283.         gCarla.gui.updateMiniCanvasLater()

  2284. 

  2285.     elif action == patchcanvas.ACTION_PORT_INFO:

  2286.         pass

  2287. 

  2288.     elif action == patchcanvas.ACTION_PORT_RENAME:

  2289.         pass

  2290. 

  2291.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  2292.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")]

  2293. 

  2294.         if not host.patchbay_connect(gOut, pOut, gIn, pIn):

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

  2296. 

  2297.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  2298.         connectionId = value1

  2299. 

  2300.         if not host.patchbay_disconnect(connectionId):

  2301.             print("Disconnect failed:", host.get_last_error())

  2302. 

  2303.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  2304.         pluginId = value1

  2305. 

  2306.         if not host.clone_plugin(pluginId):

  2307.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2308.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2309. 

  2310.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  2311.         pluginId = value1

  2312.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2313. 

  2314.         if pwidget is not None:

  2315.             pwidget.showEditDialog()

  2316. 

  2317.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  2318.         pluginId = value1

  2319.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2320. 

  2321.         if pwidget is not None:

  2322.             pwidget.showRenameDialog()

  2323. 

  2324.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  2325.         pluginId = value1

  2326.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2327. 

  2328.         if pwidget is not None:

  2329.             pwidget.showReplaceDialog()

  2330. 

  2331.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  2332.         pluginId = value1

  2333. 

  2334.         if not host.remove_plugin(pluginId):

  2335.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2336.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2337. 

  2338.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  2339.         pluginId = value1

  2340.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2341. 

  2342.         if pwidget is not None:

  2343.             pwidget.showCustomUI()

  2344. 

  2345.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  2346.         gCarla.gui.showPluginActionsMenu()

  2347. 

  2348. # ------------------------------------------------------------------------------------------------------------

  2349. # Engine callback

  2350. 

  2351. def engineCallback(host, action, pluginId, value1, value2, value3, valueStr):

  2352.     # kdevelop likes this :)

  2353.     if False: host = CarlaHostNull()

  2354. 

  2355.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  2356.         host.processMode   = value1

  2357.         host.transportMode = value2

  2358.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2359.         host.processMode   = value1

  2360.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2361.         host.transportMode = value1

  2362. 

  2363.     valueStr = charPtrToString(valueStr)

  2364. 

  2365.     if action == ENGINE_CALLBACK_DEBUG:

  2366.         host.DebugCallback.emit(pluginId, value1, value2, value3, valueStr)

  2367.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

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

  2369.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  2370.         host.PluginRemovedCallback.emit(pluginId)

  2371.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  2372.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  2373.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  2374.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  2375.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  2376.         host.ParameterValueChangedCallback.emit(pluginId, value1, value3)

  2377.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  2378.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, value3)

  2379.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CC_CHANGED:

  2380.         host.ParameterMidiCcChangedCallback.emit(pluginId, value1, value2)

  2381.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  2382.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  2383.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

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

  2385.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  2386.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  2387.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  2388.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  2389.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  2390.         host.UiStateChangedCallback.emit(pluginId, value1)

  2391.     elif action == ENGINE_CALLBACK_NOTE_ON:

  2392.         host.NoteOnCallback.emit(pluginId, value1, value2, round(value3))

  2393.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  2394.         host.NoteOffCallback.emit(pluginId, value1, value2)

  2395.     elif action == ENGINE_CALLBACK_UPDATE:

  2396.         host.UpdateCallback.emit(pluginId)

  2397.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  2398.         host.ReloadInfoCallback.emit(pluginId)

  2399.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  2400.         host.ReloadParametersCallback.emit(pluginId)

  2401.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  2402.         host.ReloadProgramsCallback.emit(pluginId)

  2403.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  2404.         host.ReloadAllCallback.emit(pluginId)

  2405.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  2406.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  2407.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  2408.         host.PatchbayClientRemovedCallback.emit(pluginId)

  2409.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  2410.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  2411.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  2412.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  2413.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  2414.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, valueStr)

  2415.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  2416.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  2417.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_RENAMED:

  2418.         host.PatchbayPortRenamedCallback.emit(pluginId, value1, valueStr)

  2419.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  2420.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  2421.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  2422.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  2423.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  2424.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  2425.         host.EngineStartedCallback.emit(value1, value2, value3, valueStr)

  2426.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  2427.         host.EngineStoppedCallback.emit()

  2428.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2429.         host.ProcessModeChangedCallback.emit(value1)

  2430.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2431.         host.TransportModeChangedCallback.emit(value1)

  2432.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  2433.         host.BufferSizeChangedCallback.emit(value1)

  2434.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  2435.         host.SampleRateChangedCallback.emit(value3)

  2436.     elif action == ENGINE_CALLBACK_PROJECT_LOAD_FINISHED:

  2437.         host.ProjectLoadFinishedCallback.emit()

  2438.     elif action == ENGINE_CALLBACK_NSM:

  2439.         host.NSMCallback.emit(value1, value2, valueStr)

  2440.     elif action == ENGINE_CALLBACK_IDLE:

  2441.         QApplication.instance().processEvents()

  2442.     elif action == ENGINE_CALLBACK_INFO:

  2443.         host.InfoCallback.emit(valueStr)

  2444.     elif action == ENGINE_CALLBACK_ERROR:

  2445.         host.ErrorCallback.emit(valueStr)

  2446.     elif action == ENGINE_CALLBACK_QUIT:

  2447.         host.QuitCallback.emit()

  2448. 

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

  2450. # File callback

  2451. 

  2452. def fileCallback(ptr, action, isDir, title, filter):

  2453.     ret = ("", "") if config_UseQt5 else ""

  2454. 

  2455.     if action == FILE_CALLBACK_DEBUG:

  2456.         pass

  2457.     elif action == FILE_CALLBACK_OPEN:

  2458.         ret = QFileDialog.getOpenFileName(gCarla.gui, charPtrToString(title), "", charPtrToString(filter) ) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  2459.     elif action == FILE_CALLBACK_SAVE:

  2460.         ret = QFileDialog.getSaveFileName(gCarla.gui, charPtrToString(title), "", charPtrToString(filter), QFileDialog.ShowDirsOnly if isDir else 0x0)

  2461. 

  2462.     if config_UseQt5:

  2463.         ret = ret[0]

  2464.     if not ret:

  2465.         return None

  2466. 

  2467.     # FIXME

  2468.     global fileRet

  2469.     fileRet = c_char_p(ret.encode("utf-8"))

  2470.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  2471.     return retval.contents.value

  2472. 

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

  2474. # Init host

  2475. 

  2476. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  2477.     pathBinaries, pathResources = getPaths(libPrefix)

  2478. 

  2479.     # --------------------------------------------------------------------------------------------------------

  2480.     # Check if we should open main lib as local or global

  2481. 

  2482.     settings = QSettings("falkTX", "Carla2")

  2483. 

  2484.     try:

  2485.         loadGlobal = settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL, CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL, type=bool)

  2486.     except:

  2487.         loadGlobal = CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL

  2488. 

  2489.     # --------------------------------------------------------------------------------------------------------

  2490.     # Fail if binary dir is not found

  2491. 

  2492.     if not os.path.exists(pathBinaries):

  2493.         if failError:

  2494.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  2495.             sys.exit(1)

  2496.         return

  2497. 

  2498.     # --------------------------------------------------------------------------------------------------------

  2499.     # Set Carla library name

  2500. 

  2501.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  2502.     libname   = os.path.join(pathBinaries, libname)

  2503.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  2504. 

  2505.     # --------------------------------------------------------------------------------------------------------

  2506.     # Print info

  2507. 

  2508.     print("Carla %s started, status:" % VERSION)

  2509.     print("  Python version: %s" % sys.version.split(" ",1)[0])

  2510.     print("  Qt version:     %s" % qVersion())

  2511.     print("  PyQt version:   %s" % PYQT_VERSION_STR)

  2512.     print("  Binary dir:     %s" % pathBinaries)

  2513.     print("  Resources dir:  %s" % pathResources)

  2514. 

  2515.     # --------------------------------------------------------------------------------------------------------

  2516.     # Init host

  2517. 

  2518.     if failError:

  2519.         # no try

  2520.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2521.     else:

  2522.         try:

  2523.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2524.         except:

  2525.             host = CarlaHostQtNull()

  2526. 

  2527.     host.isControl = isControl

  2528.     host.isPlugin  = isPlugin

  2529. 

  2530.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vs: engineCallback(host,a,p,v1,v2,v3,vs))

  2531.     host.set_file_callback(fileCallback)

  2532. 

  2533.     # If it's a plugin the paths are already set

  2534.     if not isPlugin:

  2535.         host.pathBinaries  = pathBinaries

  2536.         host.pathResources = pathResources

  2537.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  2538.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  2539. 

  2540.         if not isControl:

  2541.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  2542. 

  2543.     # --------------------------------------------------------------------------------------------------------

  2544.     # Init utils

  2545. 

  2546.     gCarla.utils = CarlaUtils(utilsname)

  2547.     gCarla.utils.set_process_name(os.path.basename(initName))

  2548. 

  2549.     try:

  2550.         sys.stdout.flush()

  2551.     except:

  2552.         pass

  2553. 

  2554.     sys.stdout = CarlaPrint(False)

  2555.     sys.stderr = CarlaPrint(True)

  2556. 

  2557.     if config_UseQt5:

  2558.         sys.excepthook = sys_excepthook

  2559. 

  2560.     # --------------------------------------------------------------------------------------------------------

  2561.     # Done

  2562. 

  2563.     return host

  2564. 

  2565. # ------------------------------------------------------------------------------------------------------------

  2566. # Load host settings

  2567. 

  2568. def loadHostSettings(host):

  2569.     # kdevelop likes this :)

  2570.     if False: host = CarlaHostNull()

  2571. 

  2572.     settings = QSettings("falkTX", "Carla2")

  2573. 

  2574.     try:

  2575.         host.experimental = settings.value(CARLA_KEY_MAIN_EXPERIMENTAL, CARLA_DEFAULT_MAIN_EXPERIMENTAL, type=bool)

  2576.     except:

  2577.         host.experimental = CARLA_DEFAULT_MAIN_EXPERIMENTAL

  2578. 

  2579.     try:

  2580.         host.exportLV2 = settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2, CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT, type=bool)

  2581.     except:

  2582.         host.exportLV2 = CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT

  2583. 

  2584.     try:

  2585.         host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, type=bool)

  2586.     except:

  2587.         host.manageUIs = CARLA_DEFAULT_MANAGE_UIS

  2588. 

  2589.     try:

  2590.         host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, type=int)

  2591.     except:

  2592.         host.maxParameters = CARLA_DEFAULT_MAX_PARAMETERS

  2593. 

  2594.     try:

  2595.         host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, type=bool)

  2596.     except:

  2597.         host.forceStereo = CARLA_DEFAULT_FORCE_STEREO

  2598. 

  2599.     try:

  2600.         host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, type=bool)

  2601.     except:

  2602.         host.preferPluginBridges = CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES

  2603. 

  2604.     try:

  2605.         host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, type=bool)

  2606.     except:

  2607.         host.preferUIBridges = CARLA_DEFAULT_PREFER_UI_BRIDGES

  2608. 

  2609.     try:

  2610.         host.preventBadBehaviour = settings.value(CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, type=bool)

  2611.     except:

  2612.         host.preventBadBehaviour = CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR

  2613. 

  2614.     try:

  2615.         host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, type=bool)

  2616.     except:

  2617.         host.showLogs = CARLA_DEFAULT_MAIN_SHOW_LOGS

  2618. 

  2619.     try:

  2620.         host.showPluginBridges = settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, type=bool)

  2621.     except:

  2622.         host.showPluginBridges = CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES

  2623. 

  2624.     try:

  2625.         host.showWineBridges = settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, type=bool)

  2626.     except:

  2627.         host.showWineBridges = CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES

  2628. 

  2629.     try:

  2630.         host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, type=int)

  2631.     except:

  2632.         host.uiBridgesTimeout = CARLA_DEFAULT_UI_BRIDGES_TIMEOUT

  2633. 

  2634.     try:

  2635.         host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, type=bool)

  2636.     except:

  2637.         host.uisAlwaysOnTop = CARLA_DEFAULT_UIS_ALWAYS_ON_TOP

  2638. 

  2639.     if host.isPlugin:

  2640.         return

  2641. 

  2642.     # enums

  2643.     if host.audioDriverForced is None:

  2644.         try:

  2645.             host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, type=int)

  2646.         except:

  2647.             host.transportMode = CARLA_DEFAULT_TRANSPORT_MODE

  2648. 

  2649.     if not host.processModeForced:

  2650.         try:

  2651.             host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, type=int)

  2652.         except:

  2653.             host.processMode = CARLA_DEFAULT_PROCESS_MODE

  2654. 

  2655.     host.nextProcessMode = host.processMode

  2656. 

  2657.     # --------------------------------------------------------------------------------------------------------

  2658.     # fix things if needed

  2659. 

  2660.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS and LADISH_APP_NAME:

  2661.         print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  2662.         host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  2663. 

  2664.     if gCarla.nogui:

  2665.         host.showLogs = False

  2666. 

  2667.     # --------------------------------------------------------------------------------------------------------

  2668.     # run headless host now if nogui option enabled

  2669. 

  2670.     if gCarla.nogui:

  2671.         runHostWithoutUI(host)

  2672. 

  2673. # ------------------------------------------------------------------------------------------------------------

  2674. # Set host settings

  2675. 

  2676. def setHostSettings(host):

  2677.     # kdevelop likes this :)

  2678.     if False: host = CarlaHostNull()

  2679. 

  2680.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  2681.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  2682.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  2683.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  2684.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  2685.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  2686.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  2687.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  2688. 

  2689.     if host.isPlugin:

  2690.         return

  2691. 

  2692.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  2693.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       "")

  2694. 

  2695. # ------------------------------------------------------------------------------------------------------------

  2696. # Set Engine settings according to carla preferences. Returns selected audio driver.

  2697. 

  2698. def setEngineSettings(host):

  2699.     # kdevelop likes this :)

  2700.     if False: host = CarlaHostNull()

  2701. 

  2702.     # --------------------------------------------------------------------------------------------------------

  2703.     # do nothing if control

  2704. 

  2705.     if host.isControl:

  2706.         return "Control"

  2707. 

  2708.     # --------------------------------------------------------------------------------------------------------

  2709. 

  2710.     settings = QSettings("falkTX", "Carla2")

  2711. 

  2712.     # --------------------------------------------------------------------------------------------------------

  2713.     # main settings

  2714. 

  2715.     setHostSettings(host)

  2716. 

  2717.     # --------------------------------------------------------------------------------------------------------

  2718.     # plugin paths

  2719. 

  2720.     LADSPA_PATH = toList(settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH))

  2721.     DSSI_PATH   = toList(settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH))

  2722.     LV2_PATH    = toList(settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH))

  2723.     VST2_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST2,   CARLA_DEFAULT_VST2_PATH))

  2724.     GIG_PATH    = toList(settings.value(CARLA_KEY_PATHS_GIG,    CARLA_DEFAULT_GIG_PATH))

  2725.     SF2_PATH    = toList(settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH))

  2726.     SFZ_PATH    = toList(settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH))

  2727. 

  2728.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  2729.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  2730.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  2731.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2,   splitter.join(VST2_PATH))

  2732.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_GIG,    splitter.join(GIG_PATH))

  2733.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  2734.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  2735. 

  2736.     # --------------------------------------------------------------------------------------------------------

  2737.     # don't continue if plugin

  2738. 

  2739.     if host.isPlugin:

  2740.         return "Plugin"

  2741. 

  2742.     # --------------------------------------------------------------------------------------------------------

  2743.     # driver and device settings

  2744. 

  2745.     # driver name

  2746.     if host.audioDriverForced is not None:

  2747.         audioDriver = host.audioDriverForced

  2748.     else:

  2749.         try:

  2750.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, type=str)

  2751.         except:

  2752.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  2753. 

  2754.     # driver options

  2755.     try:

  2756.         audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", type=str)

  2757.     except:

  2758.         audioDevice = ""

  2759. 

  2760.     try:

  2761.         audioNumPeriods = settings.value("%s%s/NumPeriods" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_NUM_PERIODS, type=int)

  2762.     except:

  2763.         audioNumPeriods = CARLA_DEFAULT_AUDIO_NUM_PERIODS

  2764. 

  2765.     try:

  2766.         audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, type=int)

  2767.     except:

  2768.         audioBufferSize = CARLA_DEFAULT_AUDIO_BUFFER_SIZE

  2769. 

  2770.     try:

  2771.         audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, type=int)

  2772.     except:

  2773.         audioSampleRate = CARLA_DEFAULT_AUDIO_SAMPLE_RATE

  2774. 

  2775.     host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE,      0,               audioDevice)

  2776.     host.set_engine_option(ENGINE_OPTION_AUDIO_NUM_PERIODS, audioNumPeriods, "")

  2777.     host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  2778.     host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  2779. 

  2780.     # --------------------------------------------------------------------------------------------------------

  2781.     # fix things if needed

  2782. 

  2783.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  2784.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  2785.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, "")

  2786. 

  2787.     # --------------------------------------------------------------------------------------------------------

  2788.     # wine settings

  2789. 

  2790.     optWineExecutable = settings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, type=str)

  2791.     optWineAutoPrefix = settings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, type=bool)

  2792.     optWineFallbackPrefix = settings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, type=str)

  2793.     optWineRtPrioEnabled = settings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, type=bool)

  2794.     optWineBaseRtPrio = settings.value(CARLA_KEY_WINE_BASE_RT_PRIO,   CARLA_DEFAULT_WINE_BASE_RT_PRIO, type=int)

  2795.     optWineServerRtPrio = settings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, type=int)

  2796. 

  2797.     host.set_engine_option(ENGINE_OPTION_WINE_EXECUTABLE, 0, optWineExecutable)

  2798.     host.set_engine_option(ENGINE_OPTION_WINE_AUTO_PREFIX, 1 if optWineAutoPrefix else 0, "")

  2799.     host.set_engine_option(ENGINE_OPTION_WINE_FALLBACK_PREFIX, 0, os.path.expanduser(optWineFallbackPrefix))

  2800.     host.set_engine_option(ENGINE_OPTION_WINE_RT_PRIO_ENABLED, 1 if optWineRtPrioEnabled else 0, "")

  2801.     host.set_engine_option(ENGINE_OPTION_WINE_BASE_RT_PRIO, optWineBaseRtPrio, "")

  2802.     host.set_engine_option(ENGINE_OPTION_WINE_SERVER_RT_PRIO, optWineServerRtPrio, "")

  2803. 

  2804.     # --------------------------------------------------------------------------------------------------------

  2805.     # return selected driver name

  2806. 

  2807.     return audioDriver

  2808. 

  2809. # ------------------------------------------------------------------------------------------------------------

  2810. # Run Carla without showing UI

  2811. 

  2812. def runHostWithoutUI(host):

  2813.     # kdevelop likes this :)

  2814.     if False: host = CarlaHostNull()

  2815. 

  2816.     # --------------------------------------------------------------------------------------------------------

  2817.     # Some initial checks

  2818. 

  2819.     if not gCarla.nogui:

  2820.         return

  2821. 

  2822.     projectFile = getInitialProjectFile(QCoreApplication.instance(), True)

  2823. 

  2824.     if not projectFile:

  2825.         print("Carla no-gui mode can only be used together with a project file.")

  2826.         sys.exit(1)

  2827. 

  2828.     # --------------------------------------------------------------------------------------------------------

  2829.     # Additional imports

  2830. 

  2831.     from time import sleep

  2832. 

  2833.     # --------------------------------------------------------------------------------------------------------

  2834.     # Init engine

  2835. 

  2836.     audioDriver = setEngineSettings(host)

  2837.     if not host.engine_init(audioDriver, "Carla"):

  2838.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  2839.         sys.exit(1)

  2840. 

  2841.     if not host.load_project(projectFile):

  2842.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  2843.         host.engine_close()

  2844.         sys.exit(1)

  2845. 

  2846.     # --------------------------------------------------------------------------------------------------------

  2847.     # Idle

  2848. 

  2849.     while host.is_engine_running() and not gCarla.term:

  2850.         host.engine_idle()

  2851.         sleep(0.5)

  2852. 

  2853.     # --------------------------------------------------------------------------------------------------------

  2854.     # Stop

  2855. 

  2856.     host.engine_close()

  2857.     sys.exit(0)

  2858. 

  2859. # ------------------------------------------------------------------------------------------------------------