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

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  1. #!/usr/bin/env python3

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

  3. 

  4. # Carla host code

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

  6. #

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

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

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

  10. # the License, or any later version.

  11. #

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

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

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

  15. # GNU General Public License for more details.

  16. #

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

  18. 

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

  20. # Imports (Config)

  21. 

  22. from carla_config import *

  23. 

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

  25. # Imports (Global)

  26. 

  27. import json

  28. 

  29. if config_UseQt5:

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

  31.     from PyQt5.QtGui import QImage, QPalette

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

  33. else:

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

  35.     from PyQt4.QtGui import QImage, QPalette

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

  37. 

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

  39. # Imports (Custom)

  40. 

  41. import patchcanvas

  42. import ui_carla_host

  43. 

  44. from carla_app import *

  45. from carla_database import *

  46. from carla_settings import *

  47. from carla_utils import *

  48. from carla_widgets import *

  49. 

  50. from digitalpeakmeter import DigitalPeakMeter

  51. from pixmapkeyboard import PixmapKeyboardHArea

  52. 

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

  54. # Try Import OpenGL

  55. 

  56. try:

  57.     if config_UseQt5:

  58.         from PyQt5.QtOpenGL import QGLWidget

  59.     else:

  60.         from PyQt4.QtOpenGL import QGLWidget

  61.     hasGL = True

  62. except:

  63.     hasGL = False

  64. 

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

  66. # Safe exception hook, needed for PyQt5

  67. 

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

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

  70. 

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

  72. # Session Management support

  73. 

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

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

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

  77. 

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

  79. # Carla Print class

  80. 

  81. class CarlaPrint:

  82.     def __init__(self, err):

  83.         self.err = err

  84. 

  85.     def flush(self):

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

  87. 

  88.     def write(self, string):

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

  90. 

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

  92. # Host Window

  93. 

  94. class HostWindow(QMainWindow):

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

  96.     # signals

  97.     SIGTERM = pyqtSignal()

  98.     SIGUSR1 = pyqtSignal()

  99. 

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

  101. 

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

  103.         QMainWindow.__init__(self, parent)

  104.         self.host = host

  105.         self.ui = ui_carla_host.Ui_CarlaHostW()

  106.         self.ui.setupUi(self)

  107.         gCarla.gui = self

  108. 

  109.         if False:

  110.             # kdevelop likes this :)

  111.             host = CarlaHostNull()

  112.             self.host = host

  113. 

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

  115. 

  116.         self.fParentOrSelf = parent or self

  117. 

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

  119.         # Internal stuff

  120. 

  121.         self.fIdleTimerFast = 0

  122.         self.fIdleTimerSlow = 0

  123. 

  124.         self.fLadspaRdfNeedsUpdate = True

  125.         self.fLadspaRdfList = []

  126. 

  127.         self.fPluginCount = 0

  128.         self.fPluginList  = []

  129. 

  130.         self.fProjectFilename  = ""

  131.         self.fIsProjectLoading = False

  132.         self.fCurrentlyRemovingAllPlugins = False

  133. 

  134.         self.fLastTransportBPM   = 0.0

  135.         self.fLastTransportFrame = 0

  136.         self.fLastTransportState = False

  137.         self.fSampleRate         = 0.0

  138. 

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

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

  141.         self.fCustomStopAction = 0

  142. 

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

  144.         self.fFirstEngineInit = True

  145. 

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

  147.         self.fSavedSettings = {}

  148. 

  149.         if host.isControl:

  150.             self.fClientName         = "Carla-Control"

  151.             self.fSessionManagerName = "Control"

  152.         elif host.isPlugin:

  153.             self.fClientName         = "Carla-Plugin"

  154.             self.fSessionManagerName = "Plugin"

  155.         elif LADISH_APP_NAME:

  156.             self.fClientName         = LADISH_APP_NAME

  157.             self.fSessionManagerName = "LADISH"

  158.         elif NSM_URL and host.nsmOK:

  159.             self.fClientName         = "Carla.tmp"

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

  161.         else:

  162.             self.fClientName         = CARLA_CLIENT_NAME or "Carla"

  163.             self.fSessionManagerName = ""

  164. 

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

  166.         # Internal stuff (patchbay)

  167. 

  168.         self.fExportImage = QImage()

  169. 

  170.         self.fPeaksCleared = True

  171. 

  172.         self.fExternalPatchbay = False

  173.         self.fSelectedPlugins  = []

  174. 

  175.         self.fCanvasWidth  = 0

  176.         self.fCanvasHeight = 0

  177.         self.fMiniCanvasUpdateTimeout = 0

  178. 

  179.         self.fWithCanvas = withCanvas

  180. 

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

  182.         # Set up GUI (engine stopped)

  183. 

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

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

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

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

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

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

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

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

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

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

  194. 

  195.             if self.host.isControl:

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

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

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

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

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

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

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

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

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

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

  206.             else:

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

  208. 

  209.         else:

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

  211. 

  212.             if WINDOWS:

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

  214. 

  215.         if not self.host.isControl:

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

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

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

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

  220. 

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

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

  223. 

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

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

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

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

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

  229. 

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

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

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

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

  234. 

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

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

  237. 

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

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

  240. 

  241.         if not withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  259.             self.ui.miniCanvasPreview.hide()

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

  261.             if WINDOWS:

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

  263. 

  264.             if host.isControl:

  265.                 self.ui.dockWidget.hide()

  266. 

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

  268.         # Set up GUI (disk)

  269. 

  270.         self.fDirModel = QFileSystemModel(self)

  271.         self.fDirModel.setRootPath(HOME)

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

  273. 

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

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

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

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

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

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

  280. 

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

  282.         # Set up GUI (transport)

  283. 

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

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

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

  287. 

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

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

  290. 

  291.         if minLabelWidth < labelTimeWidth:

  292.             minLabelWidth = labelTimeWidth

  293.         if minLabelWidth < labelBBTWidth:

  294.             minLabelWidth = labelBBTWidth

  295. 

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

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

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

  299. 

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

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

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

  303. 

  304.         if host.isControl or host.isPlugin:

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

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

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

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

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

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

  311. 

  312.         if MACOS:

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

  314. 

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

  316. 

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

  318.         # Set up GUI (rack)

  319. 

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

  321. 

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

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

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

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

  326. 

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

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

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

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

  331. 

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

  333.           QLabel#pad_left {

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

  335.             background-repeat: repeat-y;

  336.           }

  337.           QLabel#pad_right {

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

  339.             background-repeat: repeat-y;

  340.           }

  341.           CarlaRackList#CarlaRackList {

  342.             background-color: black;

  343.           }

  344.         """)

  345. 

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

  347.         # Set up GUI (patchbay)

  348. 

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

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

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

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

  353. 

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

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

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

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

  358. 

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

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

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

  362. 

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

  364. 

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

  366. 

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

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

  369. 

  370.         if MACOS:

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

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

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

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

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

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

  377. 

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

  379.         # Load Settings

  380. 

  381.         self.loadSettings(True)

  382. 

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

  384.         # Set-up Canvas

  385. 

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

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

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

  389. 

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

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

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

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

  394. 

  395.         self.setupCanvas()

  396. 

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

  398.         # Connect actions to functions

  399. 

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

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

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

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

  404. 

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

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

  407. 

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

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

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

  411. 

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

  413. 

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

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

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

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

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

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

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

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

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

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

  424. 

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

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

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

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

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

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

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

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

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

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

  435. 

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

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

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

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

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

  441. 

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

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

  444. 

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

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

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

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

  449. 

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

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

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

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

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

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

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

  457. 

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

  459. 

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

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

  462. 

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

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

  465. 

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

  467. 

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

  469. 

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

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

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

  473. 

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

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

  476. 

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

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

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

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

  481. 

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

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

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

  485. 

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

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

  488. 

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

  490. 

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

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

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

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

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

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

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

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

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

  500. 

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

  502. 

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

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

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

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

  507. 

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

  509.         # Final setup

  510. 

  511.         self.ui.text_logs.clear()

  512.         self.setProperWindowTitle()

  513. 

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

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

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

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

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

  519. 

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

  521.         if self.host.isPlugin:

  522.             self.startTimers()

  523. 

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

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

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

  527. 

  528.         # Load initial project file if set

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

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

  531. 

  532.             if projectFile:

  533.                 self.loadProjectLater(projectFile)

  534. 

  535.         # For NSM we wait for the open message

  536.         if NSM_URL and host.nsmOK:

  537.             host.nsm_ready(-1)

  538.             return

  539. 

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

  541. 

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

  543.     # Setup

  544. 

  545.     def compactPlugin(self, pluginId):

  546.         if pluginId > self.fPluginCount:

  547.             return

  548. 

  549.         pitem = self.fPluginList[pluginId]

  550. 

  551.         if pitem is None:

  552.             return

  553. 

  554.         pitem.recreateWidget(True)

  555. 

  556.     def setLoadRDFsNeeded(self):

  557.         self.fLadspaRdfNeedsUpdate = True

  558. 

  559.     def setProperWindowTitle(self):

  560.         title = self.fClientName

  561. 

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

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

  564.         if self.fSessionManagerName:

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

  566. 

  567.         self.setWindowTitle(title)

  568. 

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

  570.     # Files

  571. 

  572.     def makeExtraFilename(self):

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

  574. 

  575.     def loadProjectNow(self):

  576.         if not self.fProjectFilename:

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

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

  579.             return

  580. 

  581.         self.projectLoadingStarted()

  582.         self.fIsProjectLoading = True

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

  584. 

  585.         # Project finished loading is sent by engine

  586. 

  587.     def loadProjectLater(self, filename):

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

  589.         self.setProperWindowTitle()

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

  591. 

  592.     def saveProjectNow(self):

  593.         if not self.fProjectFilename:

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

  595. 

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

  597. 

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

  599.             json.dump({

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

  601.             }, fh)

  602. 

  603.     def projectLoadingStarted(self):

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

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

  606. 

  607.     def projectLoadingFinished(self):

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

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

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

  611. 

  612.         extrafile = self.makeExtraFilename()

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

  614.             return

  615. 

  616.         try:

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

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

  619.         except:

  620.             return

  621. 

  622.         patchcanvas.restoreGroupPositions(canvasdata)

  623. 

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

  625.     # Files (menu actions)

  626. 

  627.     @pyqtSlot()

  628.     def slot_fileNew(self):

  629.         self.slot_pluginRemoveAll()

  630.         self.fProjectFilename = ""

  631.         self.setProperWindowTitle()

  632. 

  633.     @pyqtSlot()

  634.     def slot_fileOpen(self):

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

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

  637. 

  638.         if config_UseQt5:

  639.             filename = filename[0]

  640.         if not filename:

  641.             return

  642. 

  643.         newFile = True

  644. 

  645.         if self.fPluginCount > 0:

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

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

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

  649. 

  650.         if newFile:

  651.             self.slot_pluginRemoveAll()

  652.             self.fProjectFilename = filename

  653.             self.setProperWindowTitle()

  654.             self.loadProjectNow()

  655.         else:

  656.             filenameOld = self.fProjectFilename

  657.             self.fProjectFilename = filename

  658.             self.loadProjectNow()

  659.             self.fProjectFilename = filenameOld

  660. 

  661.     @pyqtSlot()

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

  663.         if self.fProjectFilename and not saveAs:

  664.             return self.saveProjectNow()

  665. 

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

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

  668. 

  669.         if config_UseQt5:

  670.             filename = filename[0]

  671.         if not filename:

  672.             return

  673. 

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

  675.             filename += ".carxp"

  676. 

  677.         if self.fProjectFilename != filename:

  678.             self.fProjectFilename = filename

  679.             self.setProperWindowTitle()

  680. 

  681.         self.saveProjectNow()

  682. 

  683.     @pyqtSlot()

  684.     def slot_fileSaveAs(self):

  685.         self.slot_fileSave(True)

  686. 

  687.     @pyqtSlot()

  688.     def slot_loadProjectNow(self):

  689.         self.loadProjectNow()

  690. 

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

  692.     # Engine (menu actions)

  693. 

  694.     @pyqtSlot()

  695.     def slot_engineStart(self):

  696.         audioDriver = setEngineSettings(self.host)

  697.         firstInit   = self.fFirstEngineInit

  698. 

  699.         self.fFirstEngineInit = False

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

  701. 

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

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

  704.             return

  705. 

  706.         elif firstInit:

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

  708.             return

  709. 

  710.         audioError = self.host.get_last_error()

  711. 

  712.         if audioError:

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

  714.         else:

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

  716. 

  717.     @pyqtSlot()

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

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

  720. 

  721.         if self.fPluginCount == 0:

  722.             self.engineStopFinal()

  723.             return True

  724. 

  725.         if not forced:

  726.             ask = QMessageBox.question(self, self.tr("Warning"), self.tr("There are still some plugins loaded, you need to remove them to stop the engine.\n"

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

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

  729.             if ask != QMessageBox.Yes:

  730.                 return False

  731. 

  732.         return self.slot_engineStopTryAgain()

  733. 

  734.     @pyqtSlot()

  735.     def slot_engineStopTryAgain(self):

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

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

  738.             return False

  739. 

  740.         self.engineStopFinal()

  741.         return True

  742. 

  743.     def engineStopFinal(self):

  744.         self.killTimers()

  745.         self.removeAllPlugins()

  746. 

  747.         if self.host.is_engine_running():

  748.             self.host.remove_all_plugins()

  749. 

  750.             if self.host.engine_close():

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

  752.             else:

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

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

  755. 

  756.         if self.fCustomStopAction == 1:

  757.             self.close()

  758.         elif self.fCustomStopAction == 2:

  759.             self.slot_engineStart()

  760.             self.loadProjectNow()

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

  762. 

  763.         self.fCustomStopAction = 0

  764. 

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

  766.     # Engine (host callbacks)

  767. 

  768.     @pyqtSlot(int, int, str)

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

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

  771. 

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

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

  774. 

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

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

  777. 

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

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

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

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

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

  783.         else:

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

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

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

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

  788. 

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

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

  791. 

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

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

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

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

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

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

  798. 

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

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

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

  802. 

  803.         self.refreshTransport(True)

  804. 

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

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

  807. 

  808.         self.startTimers()

  809. 

  810.     @pyqtSlot()

  811.     def slot_handleEngineStoppedCallback(self):

  812.         patchcanvas.clear()

  813.         self.killTimers()

  814. 

  815.         # just in case

  816.         self.removeAllPlugins()

  817. 

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

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

  820. 

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

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

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

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

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

  826. 

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

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

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

  830. 

  831.     @pyqtSlot(float)

  832.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  833.         self.fSampleRate = newSampleRate

  834.         self.refreshTransport(True)

  835. 

  836.     @pyqtSlot()

  837.     def slot_handleProjectLoadFinishedCallback(self):

  838.         self.fIsProjectLoading = False

  839.         self.projectLoadingFinished()

  840. 

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

  842.     # Plugins

  843. 

  844.     def removeAllPlugins(self):

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

  846.         patchcanvas.handleAllPluginsRemoved()

  847. 

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

  849.             pass

  850. 

  851.         self.clearSideStuff()

  852. 

  853.         for pitem in self.fPluginList:

  854.             if pitem is None:

  855.                 continue

  856. 

  857.             pitem.close()

  858.             del pitem

  859. 

  860.         self.fPluginCount = 0

  861.         self.fPluginList  = []

  862. 

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

  864.     # Plugins (menu actions)

  865. 

  866.     def showAddPluginDialog(self):

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

  868. 

  869.         if not dialog.exec_():

  870.             return

  871. 

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

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

  874.             return

  875. 

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

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

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

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

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

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

  882. 

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

  884. 

  885.     def showAddJackAppDialog(self):

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

  887. 

  888.         if not dialog.exec_():

  889.             return

  890. 

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

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

  893.             return

  894. 

  895.         return dialog.getCommandAndFlags()

  896. 

  897.     @pyqtSlot()

  898.     def showPluginActionsMenu(self):

  899.         menu = QMenu(self)

  900. 

  901.         if config_UseQt5:

  902.             menu.addSection("Plugins")

  903.         else:

  904.             # fake section

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

  906.             font = act.font()

  907.             font.setBold(True)

  908.             act.setFont(font)

  909.             act.setEnabled(False)

  910.             menu.addSeparator()

  911. 

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

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

  914. 

  915.         if config_UseQt5:

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

  917.         else:

  918.             # fake space

  919.             act  = menu.addAction(" ")

  920.             font = act.font()

  921.             font.setBold(True)

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

  923.             act.setEnabled(False)

  924. 

  925.             # fake section

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

  927.             font = act.font()

  928.             font.setBold(True)

  929.             act.setFont(font)

  930.             act.setEnabled(False)

  931.             menu.addSeparator()

  932. 

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

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

  935.         menu.addSeparator()

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

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

  938.         menu.addSeparator()

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

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

  941.         menu.addSeparator()

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

  943.         menu.addSeparator()

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

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

  946. 

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

  948. 

  949.     @pyqtSlot()

  950.     def slot_pluginAdd(self):

  951.         data = self.showAddPluginDialog()

  952. 

  953.         if data is None:

  954.             return

  955. 

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

  957. 

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

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

  960. 

  961.     @pyqtSlot()

  962.     def slot_pluginRemoveAll(self):

  963.         if self.fPluginCount == 0:

  964.             return

  965. 

  966.         # FIXME - this is not working

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

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

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

  970.             self.projectLoadingStarted()

  971. 

  972.             app = QApplication.instance()

  973.             app.processEvents()

  974. 

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

  976.                 self.host.remove_plugin(i)

  977.                 app.processEvents()

  978. 

  979.             self.projectLoadingFinished()

  980. 

  981.         self.fCurrentlyRemovingAllPlugins = True

  982.         ok = self.host.remove_all_plugins()

  983.         self.fCurrentlyRemovingAllPlugins = False

  984. 

  985.         if ok:

  986.             self.removeAllPlugins()

  987.         else:

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

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

  990. 

  991.         self.fCurrentlyRemovingAllPlugins = False

  992. 

  993.     @pyqtSlot()

  994.     def slot_jackAppAdd(self):

  995.         data = self.showAddJackAppDialog()

  996. 

  997.         if data is None:

  998.             return

  999. 

  1000.         filename, name, label = data

  1001. 

  1002.         if not filename:

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

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

  1005.             return

  1006. 

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

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

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

  1010. 

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

  1012.     # Plugins (macros)

  1013. 

  1014.     @pyqtSlot()

  1015.     def slot_pluginsEnable(self):

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

  1017.             return

  1018. 

  1019.         for pitem in self.fPluginList:

  1020.             if pitem is None:

  1021.                 break

  1022. 

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

  1024. 

  1025.     @pyqtSlot()

  1026.     def slot_pluginsDisable(self):

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

  1028.             return

  1029. 

  1030.         for pitem in self.fPluginList:

  1031.             if pitem is None:

  1032.                 break

  1033. 

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

  1035. 

  1036.     @pyqtSlot()

  1037.     def slot_pluginsVolume100(self):

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

  1039.             return

  1040. 

  1041.         for pitem in self.fPluginList:

  1042.             if pitem is None:

  1043.                 break

  1044. 

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

  1046. 

  1047.     @pyqtSlot()

  1048.     def slot_pluginsMute(self):

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

  1050.             return

  1051. 

  1052.         for pitem in self.fPluginList:

  1053.             if pitem is None:

  1054.                 break

  1055. 

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

  1057. 

  1058.     @pyqtSlot()

  1059.     def slot_pluginsWet100(self):

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

  1061.             return

  1062. 

  1063.         for pitem in self.fPluginList:

  1064.             if pitem is None:

  1065.                 break

  1066. 

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

  1068. 

  1069.     @pyqtSlot()

  1070.     def slot_pluginsBypass(self):

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

  1072.             return

  1073. 

  1074.         for pitem in self.fPluginList:

  1075.             if pitem is None:

  1076.                 break

  1077. 

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

  1079. 

  1080.     @pyqtSlot()

  1081.     def slot_pluginsCenter(self):

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

  1083.             return

  1084. 

  1085.         for pitem in self.fPluginList:

  1086.             if pitem is None:

  1087.                 break

  1088. 

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

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

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

  1092. 

  1093.     @pyqtSlot()

  1094.     def slot_pluginsCompact(self):

  1095.         for pitem in self.fPluginList:

  1096.             if pitem is None:

  1097.                 break

  1098.             pitem.compact()

  1099. 

  1100.     @pyqtSlot()

  1101.     def slot_pluginsExpand(self):

  1102.         for pitem in self.fPluginList:

  1103.             if pitem is None:

  1104.                 break

  1105.             pitem.expand()

  1106. 

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

  1108.     # Plugins (host callbacks)

  1109. 

  1110.     @pyqtSlot(int, str)

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

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

  1113. 

  1114.         self.fPluginList.append(pitem)

  1115.         self.fPluginCount += 1

  1116. 

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

  1118. 

  1119.     @pyqtSlot(int)

  1120.     def slot_handlePluginRemovedCallback(self, pluginId):

  1121.         patchcanvas.handlePluginRemoved(pluginId)

  1122. 

  1123.         if pluginId in self.fSelectedPlugins:

  1124.             self.clearSideStuff()

  1125. 

  1126.         pitem = self.getPluginItem(pluginId)

  1127. 

  1128.         self.fPluginCount -= 1

  1129.         self.fPluginList.pop(pluginId)

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

  1131. 

  1132.         if pitem is not None:

  1133.             pitem.close()

  1134.             del pitem

  1135. 

  1136.         # push all plugins 1 slot back

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

  1138.             pitem = self.fPluginList[i]

  1139.             pitem.setPluginId(i)

  1140. 

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

  1142. 

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

  1144.     # Canvas

  1145. 

  1146.     def clearSideStuff(self):

  1147.         self.scene.clearSelection()

  1148. 

  1149.         self.fSelectedPlugins = []

  1150. 

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

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

  1153. 

  1154.         self.fPeaksCleared = True

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

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

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

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

  1159. 

  1160.     def setupCanvas(self):

  1161.         pOptions = patchcanvas.options_t()

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

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

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

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

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

  1167. 

  1168.         if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY]:

  1169.             pOptions.eyecandy      = patchcanvas.EYECANDY_FULL

  1170.         elif self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]:

  1171.             pOptions.eyecandy      = patchcanvas.EYECANDY_SMALL

  1172.         else:

  1173.             pOptions.eyecandy      = patchcanvas.EYECANDY_NONE

  1174. 

  1175.         pFeatures = patchcanvas.features_t()

  1176.         pFeatures.group_info   = False

  1177.         pFeatures.group_rename = False

  1178.         pFeatures.port_info    = False

  1179.         pFeatures.port_rename  = False

  1180.         pFeatures.handle_group_pos = True

  1181. 

  1182.         patchcanvas.setOptions(pOptions)

  1183.         patchcanvas.setFeatures(pFeatures)

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

  1185. 

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

  1187. 

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

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

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

  1191.         else:

  1192.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1193.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1194. 

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

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

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

  1198. 

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

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

  1201. 

  1202.     def updateCanvasInitialPos(self):

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

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

  1205.         patchcanvas.setInitialPos(x, y)

  1206. 

  1207.     def updateMiniCanvasLater(self):

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

  1209. 

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

  1211.     # Canvas (menu actions)

  1212. 

  1213.     @pyqtSlot()

  1214.     def slot_canvasShowInternal(self):

  1215.         self.fExternalPatchbay = False

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

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

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

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

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

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

  1222.         self.slot_canvasRefresh()

  1223. 

  1224.     @pyqtSlot()

  1225.     def slot_canvasShowExternal(self):

  1226.         self.fExternalPatchbay = True

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

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

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

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

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

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

  1233.         self.slot_canvasRefresh()

  1234. 

  1235.     @pyqtSlot()

  1236.     def slot_canvasArrange(self):

  1237.         patchcanvas.arrange()

  1238. 

  1239.     @pyqtSlot()

  1240.     def slot_canvasRefresh(self):

  1241.         patchcanvas.clear()

  1242. 

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

  1244.             return

  1245. 

  1246.         if self.host.is_engine_running():

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

  1248. 

  1249.         self.updateMiniCanvasLater()

  1250. 

  1251.     @pyqtSlot()

  1252.     def slot_canvasZoomFit(self):

  1253.         self.scene.zoom_fit()

  1254. 

  1255.     @pyqtSlot()

  1256.     def slot_canvasZoomIn(self):

  1257.         self.scene.zoom_in()

  1258. 

  1259.     @pyqtSlot()

  1260.     def slot_canvasZoomOut(self):

  1261.         self.scene.zoom_out()

  1262. 

  1263.     @pyqtSlot()

  1264.     def slot_canvasZoomReset(self):

  1265.         self.scene.zoom_reset()

  1266. 

  1267.     @pyqtSlot()

  1268.     def slot_canvasSaveImage(self):

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

  1270. 

  1271.         if config_UseQt5:

  1272.             newPath = newPath[0]

  1273.         if not newPath:

  1274.             return

  1275. 

  1276.         self.scene.clearSelection()

  1277. 

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

  1279.             imgFormat = "JPG"

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

  1281.             imgFormat = "PNG"

  1282.         else:

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

  1284.             imgFormat = "PNG"

  1285.             newPath  += ".png"

  1286. 

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

  1288.         painter = QPainter(self.fExportImage)

  1289.         painter.save()

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

  1291.         painter.setRenderHint(QPainter.TextAntialiasing)

  1292.         self.scene.render(painter)

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

  1294.         painter.restore()

  1295. 

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

  1297.     # Canvas (canvas callbacks)

  1298. 

  1299.     @pyqtSlot(int, int, QPointF)

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

  1301.         self.updateMiniCanvasLater()

  1302. 

  1303.     @pyqtSlot(float)

  1304.     def slot_canvasScaleChanged(self, scale):

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

  1306. 

  1307.     @pyqtSlot(list)

  1308.     def slot_canvasPluginSelected(self, pluginList):

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

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

  1311.         self.fSelectedPlugins = pluginList

  1312. 

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

  1314.     # Canvas (host callbacks)

  1315. 

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

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

  1318.         pcSplit = patchcanvas.SPLIT_UNDEF

  1319.         pcIcon  = patchcanvas.ICON_APPLICATION

  1320. 

  1321.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1322.             pcIcon = patchcanvas.ICON_PLUGIN

  1323.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1324.             pcIcon = patchcanvas.ICON_HARDWARE

  1325.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1326.             pass

  1327.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1328.             pcIcon = patchcanvas.ICON_DISTRHO

  1329.         elif clientIcon == PATCHBAY_ICON_FILE:

  1330.             pcIcon = patchcanvas.ICON_FILE

  1331. 

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

  1333. 

  1334.         self.updateMiniCanvasLater()

  1335. 

  1336.         if pluginId < 0:

  1337.             return

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

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

  1340.             return

  1341. 

  1342.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1343.             hasCustomUI = False

  1344.         else:

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

  1346. 

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

  1348. 

  1349.     @pyqtSlot(int)

  1350.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1351.         patchcanvas.removeGroup(clientId)

  1352.         self.updateMiniCanvasLater()

  1353. 

  1354.     @pyqtSlot(int, str)

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

  1356.         patchcanvas.renameGroup(clientId, newClientName)

  1357.         self.updateMiniCanvasLater()

  1358. 

  1359.     @pyqtSlot(int, int, int)

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

  1361.         pcIcon = patchcanvas.ICON_APPLICATION

  1362. 

  1363.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1364.             pcIcon = patchcanvas.ICON_PLUGIN

  1365.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1366.             pcIcon = patchcanvas.ICON_HARDWARE

  1367.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1368.             pass

  1369.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1370.             pcIcon = patchcanvas.ICON_DISTRHO

  1371.         elif clientIcon == PATCHBAY_ICON_FILE:

  1372.             pcIcon = patchcanvas.ICON_FILE

  1373. 

  1374.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1375.         self.updateMiniCanvasLater()

  1376. 

  1377.         if pluginId < 0:

  1378.             return

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

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

  1381.             return

  1382. 

  1383.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1384.             hasCustomUI = False

  1385.         else:

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

  1387. 

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

  1389. 

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

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

  1392.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1393.             portMode = patchcanvas.PORT_MODE_INPUT

  1394.         else:

  1395.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1396. 

  1397.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1398.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1399.             isAlternate = False

  1400.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1401.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1402.             isAlternate = True

  1403.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1404.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1405.             isAlternate = False

  1406.         else:

  1407.             portType    = patchcanvas.PORT_TYPE_NULL

  1408.             isAlternate = False

  1409. 

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

  1411.         self.updateMiniCanvasLater()

  1412. 

  1413.     @pyqtSlot(int, int)

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

  1415.         patchcanvas.removePort(groupId, portId)

  1416.         self.updateMiniCanvasLater()

  1417. 

  1418.     @pyqtSlot(int, int, str)

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

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

  1421.         self.updateMiniCanvasLater()

  1422. 

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

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

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

  1426.         self.updateMiniCanvasLater()

  1427. 

  1428.     @pyqtSlot(int, int, int)

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

  1430.         patchcanvas.disconnectPorts(connectionId)

  1431.         self.updateMiniCanvasLater()

  1432. 

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

  1434.     # Settings

  1435. 

  1436.     def saveSettings(self):

  1437.         settings = QSettings()

  1438. 

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

  1440. 

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

  1442. 

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

  1444. 

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

  1446. 

  1447.         diskFolders = []

  1448. 

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

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

  1451. 

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

  1453. 

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

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

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

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

  1458. 

  1459.     def loadSettings(self, firstTime):

  1460.         settings = QSettings()

  1461. 

  1462.         if firstTime:

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

  1464. 

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

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

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

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

  1469. 

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

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

  1472.             #else:

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

  1474. 

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

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

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

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

  1479. 

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

  1481. 

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

  1483. 

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

  1485.                 if i == 0: continue

  1486.                 folder = diskFolders[i]

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

  1488. 

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

  1490.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1491. 

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

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

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

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

  1496. 

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

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

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

  1500. 

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

  1502. 

  1503.         # TODO - complete this

  1504. 

  1505.         self.fSavedSettings = {

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  1522.         }

  1523. 

  1524.         self.ui.act_add_jack.setVisible(settings.value(CARLA_KEY_EXPERIMENTAL_JACK_APPS,

  1525.                                                        CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS, type=bool))

  1526. 

  1527.         if not (self.host.isControl or self.host.isPlugin):

  1528.             if settings.value(CARLA_KEY_EXPERIMENTAL_TRANSPORT, CARLA_DEFAULT_EXPERIMENTAL_TRANSPORT, type=bool):

  1529.                 if self.ui.cb_transport_jack.isChecked():

  1530.                     transportMode = ENGINE_TRANSPORT_MODE_JACK

  1531.                 else:

  1532.                     transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  1533.                 transportExtra = ":link:" if self.ui.cb_transport_link.isChecked() else ""

  1534.             else:

  1535.                 # Stop transport if becoming disabled

  1536.                 if self.ui.w_transport.isEnabled() and self.host.is_engine_running():

  1537.                     self.host.transport_pause()

  1538.                     self.host.transport_relocate(0)

  1539.                     self.host.transport_pause()

  1540. 

  1541.                 transportMode  = ENGINE_TRANSPORT_MODE_DISABLED

  1542.                 transportExtra = ""

  1543. 

  1544.             self.ui.w_transport.setEnabled(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1545.             self.host.transportMode = transportMode

  1546.             self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, transportMode, transportExtra)

  1547. 

  1548.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY] else 0

  1549. 

  1550.         setEngineSettings(self.host)

  1551.         self.restartTimersIfNeeded()

  1552. 

  1553.     # --------------------------------------------------------------------------------------------------------

  1554.     # Settings (helpers)

  1555. 

  1556.     @pyqtSlot()

  1557.     def slot_restoreCanvasScrollbarValues(self):

  1558.         settings = QSettings()

  1559.         self.ui.graphicsView.horizontalScrollBar().setValue(settings.value("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().maximum()/2, type=int))

  1560.         self.ui.graphicsView.verticalScrollBar().setValue(settings.value("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().maximum()/2, type=int))

  1561. 

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

  1563.     # Settings (menu actions)

  1564. 

  1565.     @pyqtSlot(bool)

  1566.     def slot_showSidePanel(self, yesNo):

  1567.         self.ui.dockWidget.setEnabled(yesNo)

  1568.         self.ui.dockWidget.setVisible(yesNo)

  1569. 

  1570.     @pyqtSlot(bool)

  1571.     def slot_showToolbar(self, yesNo):

  1572.         self.ui.toolBar.setEnabled(yesNo)

  1573.         self.ui.toolBar.setVisible(yesNo)

  1574. 

  1575.     @pyqtSlot(bool)

  1576.     def slot_showCanvasMeters(self, yesNo):

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

  1578.         self.ui.peak_out.setVisible(yesNo)

  1579.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1580. 

  1581.     @pyqtSlot(bool)

  1582.     def slot_showCanvasKeyboard(self, yesNo):

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

  1584.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1585. 

  1586.     @pyqtSlot()

  1587.     def slot_configureCarla(self):

  1588.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  1589.         if not dialog.exec_():

  1590.             return

  1591. 

  1592.         self.loadSettings(False)

  1593. 

  1594.         patchcanvas.clear()

  1595. 

  1596.         self.setupCanvas()

  1597.         self.slot_miniCanvasCheckAll()

  1598. 

  1599.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1600.             pass

  1601.         elif self.host.is_engine_running():

  1602.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1603. 

  1604.         for pitem in self.fPluginList:

  1605.             if pitem is None:

  1606.                 break

  1607.             pitem.setUsingSkins(self.fSavedSettings[CARLA_KEY_MAIN_USE_CUSTOM_SKINS])

  1608.             pitem.recreateWidget()

  1609. 

  1610.     # --------------------------------------------------------------------------------------------------------

  1611.     # About (menu actions)

  1612. 

  1613.     @pyqtSlot()

  1614.     def slot_aboutCarla(self):

  1615.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  1616. 

  1617.     @pyqtSlot()

  1618.     def slot_aboutQt(self):

  1619.         QApplication.instance().aboutQt()

  1620. 

  1621.     # --------------------------------------------------------------------------------------------------------

  1622.     # Disk (menu actions)

  1623. 

  1624.     @pyqtSlot(int)

  1625.     def slot_diskFolderChanged(self, index):

  1626.         if index < 0:

  1627.             return

  1628.         elif index == 0:

  1629.             filename = HOME

  1630.             self.ui.b_disk_remove.setEnabled(False)

  1631.         else:

  1632.             filename = self.ui.cb_disk.itemData(index)

  1633.             self.ui.b_disk_remove.setEnabled(True)

  1634. 

  1635.         self.fDirModel.setRootPath(filename)

  1636.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  1637. 

  1638.     @pyqtSlot()

  1639.     def slot_diskFolderAdd(self):

  1640.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  1641. 

  1642.         if newPath:

  1643.             if newPath[-1] == os.sep:

  1644.                 newPath = newPath[:-1]

  1645.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  1646.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  1647.             self.ui.b_disk_remove.setEnabled(True)

  1648. 

  1649.     @pyqtSlot()

  1650.     def slot_diskFolderRemove(self):

  1651.         index = self.ui.cb_disk.currentIndex()

  1652. 

  1653.         if index <= 0:

  1654.             return

  1655. 

  1656.         self.ui.cb_disk.removeItem(index)

  1657. 

  1658.         if self.ui.cb_disk.currentIndex() == 0:

  1659.             self.ui.b_disk_remove.setEnabled(False)

  1660. 

  1661.     @pyqtSlot(QModelIndex)

  1662.     def slot_fileTreeDoubleClicked(self, modelIndex):

  1663.         filename = self.fDirModel.filePath(modelIndex)

  1664. 

  1665.         if not self.ui.listWidget.isDragUrlValid(filename):

  1666.             return

  1667. 

  1668.         if not self.host.load_file(filename):

  1669.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  1670.                              self.tr("Failed to load file"),

  1671.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1672. 

  1673.     # --------------------------------------------------------------------------------------------------------

  1674.     # Transport

  1675. 

  1676.     def refreshTransport(self, forced = False):

  1677.         if not self.isVisible():

  1678.             return

  1679.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  1680.             return

  1681. 

  1682.         timeInfo = self.host.get_transport_info()

  1683.         playing  = timeInfo['playing']

  1684.         frame    = timeInfo['frame']

  1685.         bpm      = timeInfo['bpm']

  1686. 

  1687.         if playing != self.fLastTransportState or forced:

  1688.             if playing:

  1689.                 icon = getIcon("media-playback-pause")

  1690.                 self.ui.b_transport_play.setChecked(True)

  1691.                 self.ui.b_transport_play.setIcon(icon)

  1692.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  1693.             else:

  1694.                 icon = getIcon("media-playback-start")

  1695.                 self.ui.b_transport_play.setChecked(False)

  1696.                 self.ui.b_transport_play.setIcon(icon)

  1697.                 #self.ui.b_play.setText(self.tr("&Play"))

  1698. 

  1699.             self.fLastTransportState = playing

  1700. 

  1701.         if frame != self.fLastTransportFrame or forced:

  1702.             self.fLastTransportFrame = frame

  1703. 

  1704.             time = frame / self.fSampleRate

  1705.             secs =  time % 60

  1706.             mins = (time / 60) % 60

  1707.             hrs  = (time / 3600) % 60

  1708.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  1709. 

  1710.             frame1 =  frame % 1000

  1711.             frame2 = (frame / 1000) % 1000

  1712.             frame3 = (frame / 1000000) % 1000

  1713.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  1714. 

  1715.             bar  = timeInfo['bar']

  1716.             beat = timeInfo['beat']

  1717.             tick = timeInfo['tick']

  1718.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  1719. 

  1720.         if bpm != self.fLastTransportBPM or forced:

  1721.             self.fLastTransportBPM = bpm

  1722. 

  1723.             if bpm > 0.0:

  1724.                 self.ui.dsb_transport_bpm.blockSignals(True)

  1725.                 self.ui.dsb_transport_bpm.setValue(bpm)

  1726.                 self.ui.dsb_transport_bpm.blockSignals(False)

  1727.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  1728.             else:

  1729.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  1730. 

  1731.     # --------------------------------------------------------------------------------------------------------

  1732.     # Transport (menu actions)

  1733. 

  1734.     @pyqtSlot(bool)

  1735.     def slot_transportPlayPause(self, toggled):

  1736.         if self.host.isPlugin or not self.host.is_engine_running():

  1737.             return

  1738. 

  1739.         if toggled:

  1740.             self.host.transport_play()

  1741.         else:

  1742.             self.host.transport_pause()

  1743. 

  1744.         self.refreshTransport()

  1745. 

  1746.     @pyqtSlot()

  1747.     def slot_transportStop(self):

  1748.         if self.host.isPlugin or not self.host.is_engine_running():

  1749.             return

  1750. 

  1751.         self.host.transport_pause()

  1752.         self.host.transport_relocate(0)

  1753. 

  1754.         self.refreshTransport()

  1755. 

  1756.     @pyqtSlot()

  1757.     def slot_transportBackwards(self):

  1758.         if self.host.isPlugin or not self.host.is_engine_running():

  1759.             return

  1760. 

  1761.         newFrame = self.host.get_current_transport_frame() - 100000

  1762. 

  1763.         if newFrame < 0:

  1764.             newFrame = 0

  1765. 

  1766.         self.host.transport_relocate(newFrame)

  1767. 

  1768.     @pyqtSlot(float)

  1769.     def slot_transportBpmChanged(self, newValue):

  1770.         self.host.transport_bpm(newValue)

  1771. 

  1772.     @pyqtSlot()

  1773.     def slot_transportForwards(self):

  1774.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  1775.             return

  1776. 

  1777.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  1778.         self.host.transport_relocate(newFrame)

  1779. 

  1780.     @pyqtSlot(bool)

  1781.     def slot_transportJackEnabled(self, clicked):

  1782.         if not self.host.is_engine_running():

  1783.             return

  1784.         mode  = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  1785.         extra = ":link:" if self.ui.cb_transport_link.isChecked() else ""

  1786.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, extra)

  1787. 

  1788.     @pyqtSlot(bool)

  1789.     def slot_transportLinkEnabled(self, clicked):

  1790.         if not self.host.is_engine_running():

  1791.             return

  1792.         mode  = ENGINE_TRANSPORT_MODE_JACK if self.ui.cb_transport_jack.isChecked() else ENGINE_TRANSPORT_MODE_INTERNAL

  1793.         extra = ":link:" if clicked else ""

  1794.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, extra)

  1795. 

  1796.     # --------------------------------------------------------------------------------------------------------

  1797.     # Canvas scrollbars

  1798. 

  1799.     @pyqtSlot(int)

  1800.     def slot_horizontalScrollBarChanged(self, value):

  1801.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  1802.         if maximum == 0:

  1803.             xp = 0

  1804.         else:

  1805.             xp = float(value) / maximum

  1806.         self.ui.miniCanvasPreview.setViewPosX(xp)

  1807.         self.updateCanvasInitialPos()

  1808. 

  1809.     @pyqtSlot(int)

  1810.     def slot_verticalScrollBarChanged(self, value):

  1811.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  1812.         if maximum == 0:

  1813.             yp = 0

  1814.         else:

  1815.             yp = float(value) / maximum

  1816.         self.ui.miniCanvasPreview.setViewPosY(yp)

  1817.         self.updateCanvasInitialPos()

  1818. 

  1819.     # --------------------------------------------------------------------------------------------------------

  1820.     # Canvas keyboard

  1821. 

  1822.     @pyqtSlot(int)

  1823.     def slot_noteOn(self, note):

  1824.         for pluginId in self.fSelectedPlugins:

  1825.             self.host.send_midi_note(pluginId, 0, note, 100)

  1826. 

  1827.             pedit = self.getPluginEditDialog(pluginId)

  1828.             pedit.noteOn(0, note, 100)

  1829. 

  1830.     @pyqtSlot(int)

  1831.     def slot_noteOff(self, note):

  1832.         for pluginId in self.fSelectedPlugins:

  1833.             self.host.send_midi_note(pluginId, 0, note, 0)

  1834. 

  1835.             pedit = self.getPluginEditDialog(pluginId)

  1836.             pedit.noteOff(0, note)

  1837. 

  1838.     # --------------------------------------------------------------------------------------------------------

  1839.     # Canvas keyboard (host callbacks)

  1840. 

  1841.     @pyqtSlot(int, int, int, int)

  1842.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  1843.         if pluginId in self.fSelectedPlugins:

  1844.             self.ui.keyboard.sendNoteOn(note, False)

  1845. 

  1846.     @pyqtSlot(int, int, int)

  1847.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  1848.         if pluginId in self.fSelectedPlugins:

  1849.             self.ui.keyboard.sendNoteOff(note, False)

  1850. 

  1851.     # --------------------------------------------------------------------------------------------------------

  1852. 

  1853.     @pyqtSlot(int)

  1854.     def slot_handleUpdateCallback(self, pluginId):

  1855.         pitem = self.getPluginItem(pluginId)

  1856. 

  1857.         if pitem is None:

  1858.             return

  1859. 

  1860.         wasCompacted = pitem.isCompacted()

  1861.         isCompacted  = wasCompacted

  1862. 

  1863.         for i in range(self.host.get_custom_data_count(pluginId)):

  1864.             cdata = self.host.get_custom_data(pluginId, i)

  1865. 

  1866.             if cdata['type'] == CUSTOM_DATA_TYPE_PROPERTY and cdata['key'] == "CarlaSkinIsCompacted":

  1867.                 isCompacted = bool(cdata['value'] == "true")

  1868.                 break

  1869.         else:

  1870.             return

  1871. 

  1872.         if wasCompacted == isCompacted:

  1873.             return

  1874. 

  1875.         pitem.recreateWidget(True)

  1876. 

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

  1878.     # MiniCanvas stuff

  1879. 

  1880.     @pyqtSlot()

  1881.     def slot_miniCanvasCheckAll(self):

  1882.         self.slot_miniCanvasCheckSize()

  1883.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  1884.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  1885. 

  1886.     @pyqtSlot()

  1887.     def slot_miniCanvasCheckSize(self):

  1888.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  1889.             return

  1890. 

  1891.         currentIndex = self.ui.tabWidget.currentIndex()

  1892. 

  1893.         if currentIndex == 1:

  1894.             width  = self.ui.graphicsView.width()

  1895.             height = self.ui.graphicsView.height()

  1896.         else:

  1897.             self.ui.tabWidget.blockSignals(True)

  1898.             self.ui.tabWidget.setCurrentIndex(1)

  1899.             width  = self.ui.graphicsView.width()

  1900.             height = self.ui.graphicsView.height()

  1901.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  1902.             self.ui.tabWidget.blockSignals(False)

  1903. 

  1904.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  1905. 

  1906.     @pyqtSlot(float, float)

  1907.     def slot_miniCanvasMoved(self, xp, yp):

  1908.         hsb = self.ui.graphicsView.horizontalScrollBar()

  1909.         vsb = self.ui.graphicsView.verticalScrollBar()

  1910.         hsb.setValue(xp * hsb.maximum())

  1911.         vsb.setValue(yp * vsb.maximum())

  1912.         self.updateCanvasInitialPos()

  1913. 

  1914.     # --------------------------------------------------------------------------------------------------------

  1915.     # Timers

  1916. 

  1917.     def startTimers(self):

  1918.         if self.fIdleTimerFast == 0:

  1919.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  1920. 

  1921.         if self.fIdleTimerSlow == 0:

  1922.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  1923. 

  1924.     def restartTimersIfNeeded(self):

  1925.         if self.fIdleTimerFast != 0:

  1926.             self.killTimer(self.fIdleTimerFast)

  1927.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  1928. 

  1929.         if self.fIdleTimerSlow != 0:

  1930.             self.killTimer(self.fIdleTimerSlow)

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

  1932. 

  1933.     def killTimers(self):

  1934.         if self.fIdleTimerFast != 0:

  1935.             self.killTimer(self.fIdleTimerFast)

  1936.             self.fIdleTimerFast = 0

  1937. 

  1938.         if self.fIdleTimerSlow != 0:

  1939.             self.killTimer(self.fIdleTimerSlow)

  1940.             self.fIdleTimerSlow = 0

  1941. 

  1942.     # --------------------------------------------------------------------------------------------------------

  1943.     # Misc

  1944. 

  1945.     @pyqtSlot(int)

  1946.     def slot_tabChanged(self, index):

  1947.         if index != 1:

  1948.             return

  1949. 

  1950.         self.ui.graphicsView.setFocus()

  1951. 

  1952.     @pyqtSlot(int)

  1953.     def slot_handleReloadAllCallback(self, pluginId):

  1954.         if pluginId >= self.fPluginCount:

  1955.             return

  1956. 

  1957.         pitem = self.fPluginList[pluginId]

  1958.         if pitem is None:

  1959.             return

  1960. 

  1961.         pitem.recreateWidget()

  1962. 

  1963.     # --------------------------------------------------------------------------------------------------------

  1964. 

  1965.     @pyqtSlot(int, int, str)

  1966.     def slot_handleNSMCallback(self, value1, value2, valueStr):

  1967.         # Error

  1968.         if value1 == 0:

  1969.             pass

  1970. 

  1971.         # Reply

  1972.         elif value1 == 1:

  1973.             self.fFirstEngineInit    = False

  1974.             self.fSessionManagerName = valueStr

  1975.             self.setProperWindowTitle()

  1976. 

  1977.         # Open

  1978.         elif value1 == 2:

  1979.             self.fClientName      = os.path.basename(valueStr)

  1980.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  1981.             self.setProperWindowTitle()

  1982. 

  1983.             self.fCustomStopAction = 2

  1984.             self.slot_engineStop(True)

  1985.             return

  1986. 

  1987.         # Save

  1988.         elif value1 == 3:

  1989.             self.saveProjectNow()

  1990. 

  1991.         # Session is Loaded

  1992.         elif value1 == 4:

  1993.             pass

  1994. 

  1995.         # Show Optional Gui

  1996.         elif value1 == 5:

  1997.             self.show()

  1998. 

  1999.         # Hide Optional Gui

  2000.         elif value1 == 6:

  2001.             self.hide()

  2002. 

  2003.         self.host.nsm_ready(value1)

  2004. 

  2005.     # --------------------------------------------------------------------------------------------------------

  2006. 

  2007.     def fixLogText(self, text):

  2008.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  2009. 

  2010.     @pyqtSlot(int, int, int, float, str)

  2011.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valueStr):

  2012.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  2013. 

  2014.     @pyqtSlot(str)

  2015.     def slot_handleInfoCallback(self, info):

  2016.         QMessageBox.information(self, "Information", info)

  2017. 

  2018.     @pyqtSlot(str)

  2019.     def slot_handleErrorCallback(self, error):

  2020.         QMessageBox.critical(self, "Error", error)

  2021. 

  2022.     @pyqtSlot()

  2023.     def slot_handleQuitCallback(self):

  2024.         pass # TODO

  2025. 

  2026.     # --------------------------------------------------------------------------------------------------------

  2027. 

  2028.     @pyqtSlot()

  2029.     def slot_handleSIGUSR1(self):

  2030.         print("Got SIGUSR1 -> Saving project now")

  2031.         self.slot_fileSave()

  2032. 

  2033.     @pyqtSlot()

  2034.     def slot_handleSIGTERM(self):

  2035.         print("Got SIGTERM -> Closing now")

  2036.         self.fCustomStopAction = 1

  2037.         self.slot_engineStop(True)

  2038. 

  2039.     # --------------------------------------------------------------------------------------------------------

  2040.     # Internal stuff

  2041. 

  2042.     def getExtraPtr(self, plugin):

  2043.         ptype = plugin['type']

  2044. 

  2045.         if ptype == PLUGIN_LADSPA:

  2046.             uniqueId = plugin['uniqueId']

  2047. 

  2048.             self.maybeLoadRDFs()

  2049. 

  2050.             for rdfItem in self.fLadspaRdfList:

  2051.                 if rdfItem.UniqueID == uniqueId:

  2052.                     return pointer(rdfItem)

  2053. 

  2054.         elif ptype in (PLUGIN_GIG, PLUGIN_SF2):

  2055.             if plugin['name'].lower().endswith(" (16 outputs)"):

  2056.                 return self._true

  2057. 

  2058.         return None

  2059. 

  2060.     def maybeLoadRDFs(self):

  2061.         if not self.fLadspaRdfNeedsUpdate:

  2062.             return

  2063. 

  2064.         self.fLadspaRdfNeedsUpdate = False

  2065.         self.fLadspaRdfList = []

  2066. 

  2067.         if not haveLRDF:

  2068.             return

  2069. 

  2070.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  2071.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  2072. 

  2073.         if os.path.exists(frLadspaFile):

  2074.             frLadspa = open(frLadspaFile, 'r')

  2075. 

  2076.             try:

  2077.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  2078.             except:

  2079.                 pass

  2080. 

  2081.             frLadspa.close()

  2082. 

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

  2084. 

  2085.     def getPluginItem(self, pluginId):

  2086.         if pluginId >= self.fPluginCount:

  2087.             return None

  2088. 

  2089.         pitem = self.fPluginList[pluginId]

  2090.         if pitem is None:

  2091.             return None

  2092.         #if False:

  2093.             #return CarlaRackItem(self, 0, False)

  2094. 

  2095.         return pitem

  2096. 

  2097.     def getPluginEditDialog(self, pluginId):

  2098.         if pluginId >= self.fPluginCount:

  2099.             return None

  2100. 

  2101.         pitem = self.fPluginList[pluginId]

  2102.         if pitem is None:

  2103.             return None

  2104.         if False:

  2105.             return PluginEdit(self, self.host, 0)

  2106. 

  2107.         return pitem.getEditDialog()

  2108. 

  2109.     def getPluginSlotWidget(self, pluginId):

  2110.         if pluginId >= self.fPluginCount:

  2111.             return None

  2112. 

  2113.         pitem = self.fPluginList[pluginId]

  2114.         if pitem is None:

  2115.             return None

  2116.         #if False:

  2117.             #return AbstractPluginSlot()

  2118. 

  2119.         return pitem.getWidget()

  2120. 

  2121.     # --------------------------------------------------------------------------------------------------------

  2122. 

  2123.     def waitForPendingEvents(self):

  2124.         pass

  2125. 

  2126.     # --------------------------------------------------------------------------------------------------------

  2127.     # show/hide event

  2128. 

  2129.     def showEvent(self, event):

  2130.         self.refreshTransport(True)

  2131.         QMainWindow.showEvent(self, event)

  2132. 

  2133.         # set our gui as parent for all plugins UIs

  2134.         if self.host.manageUIs and not (self.host.isControl or self.host.isPlugin):

  2135.             if MACOS:

  2136.                 nsViewPtr = int(self.winId())

  2137.                 winIdStr  = "%x" % gCarla.utils.cocoa_get_window(nsViewPtr)

  2138.             else:

  2139.                 winIdStr = "%x" % int(self.winId())

  2140.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2141. 

  2142.     def hideEvent(self, event):

  2143.         # disable parent

  2144.         if not (self.host.isControl or self.host.isPlugin):

  2145.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2146. 

  2147.         QMainWindow.hideEvent(self, event)

  2148. 

  2149.     # --------------------------------------------------------------------------------------------------------

  2150.     # resize event

  2151. 

  2152.     def fixCanvasPreviewSize(self):

  2153.         self.ui.patchbay.resize(self.ui.rack.size())

  2154.         self.slot_miniCanvasCheckSize()

  2155. 

  2156.     def resizeEvent(self, event):

  2157.         QMainWindow.resizeEvent(self, event)

  2158. 

  2159.         if self.ui.tabWidget.currentIndex() != 1:

  2160.             size = self.ui.rack.size()

  2161.             self.ui.patchbay.resize(size)

  2162. 

  2163.         self.slot_miniCanvasCheckSize()

  2164. 

  2165.     # --------------------------------------------------------------------------------------------------------

  2166.     # timer event

  2167. 

  2168.     def idleFast(self):

  2169.         self.host.engine_idle()

  2170.         self.refreshTransport()

  2171. 

  2172.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2173.             return

  2174. 

  2175.         for pitem in self.fPluginList:

  2176.             if pitem is None:

  2177.                 break

  2178. 

  2179.             pitem.getWidget().idleFast()

  2180. 

  2181.         for pluginId in self.fSelectedPlugins:

  2182.             self.fPeaksCleared = False

  2183.             if self.ui.peak_in.isVisible():

  2184.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2185.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2186.             if self.ui.peak_out.isVisible():

  2187.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2188.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2189.             return

  2190. 

  2191.         if self.fPeaksCleared:

  2192.             return

  2193. 

  2194.         self.fPeaksCleared = True

  2195.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2196.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2197.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2198.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2199. 

  2200.     def idleSlow(self):

  2201.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2202.             return

  2203. 

  2204.         for pitem in self.fPluginList:

  2205.             if pitem is None:

  2206.                 break

  2207. 

  2208.             pitem.getWidget().idleSlow()

  2209. 

  2210.     def timerEvent(self, event):

  2211.         if event.timerId() == self.fIdleTimerFast:

  2212.             self.idleFast()

  2213. 

  2214.         elif event.timerId() == self.fIdleTimerSlow:

  2215.             self.idleSlow()

  2216. 

  2217.         QMainWindow.timerEvent(self, event)

  2218. 

  2219.     # --------------------------------------------------------------------------------------------------------

  2220.     # paint event

  2221. 

  2222.     #def paintEvent(self, event):

  2223.         #QMainWindow.paintEvent(self, event)

  2224. 

  2225.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2226.             #return

  2227. 

  2228.         #painter = QPainter(self)

  2229.         #painter.setBrush(QColor(36, 36, 36))

  2230.         #painter.setPen(QColor(62, 62, 62))

  2231.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2232. 

  2233.     # --------------------------------------------------------------------------------------------------------

  2234.     # close event

  2235. 

  2236.     def closeEvent(self, event):

  2237.         self.killTimers()

  2238.         self.saveSettings()

  2239. 

  2240.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  2241.             if not self.slot_engineStop(True):

  2242.                 self.fCustomStopAction = 1

  2243.                 event.ignore()

  2244.                 return

  2245. 

  2246.         QMainWindow.closeEvent(self, event)

  2247. 

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

  2249. # Canvas callback

  2250. 

  2251. def canvasCallback(action, value1, value2, valueStr):

  2252.     host = gCarla.gui.host

  2253. 

  2254.     if action == patchcanvas.ACTION_GROUP_INFO:

  2255.         pass

  2256. 

  2257.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  2258.         pass

  2259. 

  2260.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  2261.         groupId = value1

  2262.         patchcanvas.splitGroup(groupId)

  2263.         gCarla.gui.updateMiniCanvasLater()

  2264. 

  2265.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  2266.         groupId = value1

  2267.         patchcanvas.joinGroup(groupId)

  2268.         gCarla.gui.updateMiniCanvasLater()

  2269. 

  2270.     elif action == patchcanvas.ACTION_PORT_INFO:

  2271.         pass

  2272. 

  2273.     elif action == patchcanvas.ACTION_PORT_RENAME:

  2274.         pass

  2275. 

  2276.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  2277.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")]

  2278. 

  2279.         if not host.patchbay_connect(gOut, pOut, gIn, pIn):

  2280.             print("Connection failed:", host.get_last_error())

  2281. 

  2282.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  2283.         connectionId = value1

  2284. 

  2285.         if not host.patchbay_disconnect(connectionId):

  2286.             print("Disconnect failed:", host.get_last_error())

  2287. 

  2288.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  2289.         pluginId = value1

  2290. 

  2291.         if not host.clone_plugin(pluginId):

  2292.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2293.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2294. 

  2295.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  2296.         pluginId = value1

  2297.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2298. 

  2299.         if pwidget is not None:

  2300.             pwidget.showEditDialog()

  2301. 

  2302.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  2303.         pluginId = value1

  2304.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2305. 

  2306.         if pwidget is not None:

  2307.             pwidget.showRenameDialog()

  2308. 

  2309.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  2310.         pluginId = value1

  2311.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2312. 

  2313.         if pwidget is not None:

  2314.             pwidget.showReplaceDialog()

  2315. 

  2316.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  2317.         pluginId = value1

  2318. 

  2319.         if not host.remove_plugin(pluginId):

  2320.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2321.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2322. 

  2323.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  2324.         pluginId = value1

  2325.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2326. 

  2327.         if pwidget is not None:

  2328.             pwidget.showCustomUI()

  2329. 

  2330.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  2331.         gCarla.gui.showPluginActionsMenu()

  2332. 

  2333. # ------------------------------------------------------------------------------------------------------------

  2334. # Engine callback

  2335. 

  2336. def engineCallback(host, action, pluginId, value1, value2, value3, valueStr):

  2337.     # kdevelop likes this :)

  2338.     if False: host = CarlaHostNull()

  2339. 

  2340.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  2341.         host.processMode   = value1

  2342.         host.transportMode = value2

  2343.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2344.         host.processMode   = value1

  2345.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2346.         host.transportMode = value1

  2347. 

  2348.     valueStr = charPtrToString(valueStr)

  2349. 

  2350.     if action == ENGINE_CALLBACK_DEBUG:

  2351.         host.DebugCallback.emit(pluginId, value1, value2, value3, valueStr)

  2352.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  2353.         host.PluginAddedCallback.emit(pluginId, valueStr)

  2354.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  2355.         host.PluginRemovedCallback.emit(pluginId)

  2356.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  2357.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  2358.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  2359.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  2360.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  2361.         host.ParameterValueChangedCallback.emit(pluginId, value1, value3)

  2362.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  2363.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, value3)

  2364.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CC_CHANGED:

  2365.         host.ParameterMidiCcChangedCallback.emit(pluginId, value1, value2)

  2366.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

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

  2368.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  2369.         host.ProgramChangedCallback.emit(pluginId, value1)

  2370.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  2371.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  2372.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  2373.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  2374.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  2375.         host.UiStateChangedCallback.emit(pluginId, value1)

  2376.     elif action == ENGINE_CALLBACK_NOTE_ON:

  2377.         host.NoteOnCallback.emit(pluginId, value1, value2, round(value3))

  2378.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  2379.         host.NoteOffCallback.emit(pluginId, value1, value2)

  2380.     elif action == ENGINE_CALLBACK_UPDATE:

  2381.         host.UpdateCallback.emit(pluginId)

  2382.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  2383.         host.ReloadInfoCallback.emit(pluginId)

  2384.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  2385.         host.ReloadParametersCallback.emit(pluginId)

  2386.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  2387.         host.ReloadProgramsCallback.emit(pluginId)

  2388.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  2389.         host.ReloadAllCallback.emit(pluginId)

  2390.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  2391.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  2392.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  2393.         host.PatchbayClientRemovedCallback.emit(pluginId)

  2394.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  2395.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  2396.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  2397.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  2398.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  2399.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, valueStr)

  2400.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  2401.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  2402.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_RENAMED:

  2403.         host.PatchbayPortRenamedCallback.emit(pluginId, value1, valueStr)

  2404.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  2405.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  2406.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  2407.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  2408.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  2409.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  2410.         host.EngineStartedCallback.emit(value1, value2, valueStr)

  2411.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  2412.         host.EngineStoppedCallback.emit()

  2413.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2414.         host.ProcessModeChangedCallback.emit(value1)

  2415.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2416.         host.TransportModeChangedCallback.emit(value1)

  2417.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  2418.         host.BufferSizeChangedCallback.emit(value1)

  2419.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  2420.         host.SampleRateChangedCallback.emit(value3)

  2421.     elif action == ENGINE_CALLBACK_PROJECT_LOAD_FINISHED:

  2422.         host.ProjectLoadFinishedCallback.emit()

  2423.     elif action == ENGINE_CALLBACK_NSM:

  2424.         host.NSMCallback.emit(value1, value2, valueStr)

  2425.     elif action == ENGINE_CALLBACK_IDLE:

  2426.         QApplication.instance().processEvents()

  2427.     elif action == ENGINE_CALLBACK_INFO:

  2428.         host.InfoCallback.emit(valueStr)

  2429.     elif action == ENGINE_CALLBACK_ERROR:

  2430.         host.ErrorCallback.emit(valueStr)

  2431.     elif action == ENGINE_CALLBACK_QUIT:

  2432.         host.QuitCallback.emit()

  2433. 

  2434. # ------------------------------------------------------------------------------------------------------------

  2435. # File callback

  2436. 

  2437. def fileCallback(ptr, action, isDir, title, filter):

  2438.     ret = ("", "") if config_UseQt5 else ""

  2439. 

  2440.     if action == FILE_CALLBACK_DEBUG:

  2441.         pass

  2442.     elif action == FILE_CALLBACK_OPEN:

  2443.         ret = QFileDialog.getOpenFileName(gCarla.gui, charPtrToString(title), "", charPtrToString(filter) ) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  2444.     elif action == FILE_CALLBACK_SAVE:

  2445.         ret = QFileDialog.getSaveFileName(gCarla.gui, charPtrToString(title), "", charPtrToString(filter), QFileDialog.ShowDirsOnly if isDir else 0x0)

  2446. 

  2447.     if config_UseQt5:

  2448.         ret = ret[0]

  2449.     if not ret:

  2450.         return None

  2451. 

  2452.     # FIXME

  2453.     global fileRet

  2454.     fileRet = c_char_p(ret.encode("utf-8"))

  2455.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  2456.     return retval.contents.value

  2457. 

  2458. # ------------------------------------------------------------------------------------------------------------

  2459. # Init host

  2460. 

  2461. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  2462.     pathBinaries, pathResources = getPaths(libPrefix)

  2463. 

  2464.     # --------------------------------------------------------------------------------------------------------

  2465.     # Check if we should open main lib as local or global

  2466. 

  2467.     settings = QSettings("falkTX", "Carla2")

  2468. 

  2469.     try:

  2470.         loadGlobal = settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL, CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL, type=bool)

  2471.     except:

  2472.         loadGlobal = CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL

  2473. 

  2474.     # --------------------------------------------------------------------------------------------------------

  2475.     # Fail if binary dir is not found

  2476. 

  2477.     if not os.path.exists(pathBinaries):

  2478.         if failError:

  2479.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  2480.             sys.exit(1)

  2481.         return

  2482. 

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

  2484.     # Set Carla library name

  2485. 

  2486.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  2487.     libname   = os.path.join(pathBinaries, libname)

  2488.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  2489. 

  2490.     # --------------------------------------------------------------------------------------------------------

  2491.     # Print info

  2492. 

  2493.     print("Carla %s started, status:" % VERSION)

  2494.     print("  Python version: %s" % sys.version.split(" ",1)[0])

  2495.     print("  Qt version:     %s" % qVersion())

  2496.     print("  PyQt version:   %s" % PYQT_VERSION_STR)

  2497.     print("  Binary dir:     %s" % pathBinaries)

  2498.     print("  Resources dir:  %s" % pathResources)

  2499. 

  2500.     # --------------------------------------------------------------------------------------------------------

  2501.     # Init host

  2502. 

  2503.     if failError:

  2504.         # no try

  2505.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2506.     else:

  2507.         try:

  2508.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2509.         except:

  2510.             host = CarlaHostQtNull()

  2511. 

  2512.     host.isControl = isControl

  2513.     host.isPlugin  = isPlugin

  2514. 

  2515.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vs: engineCallback(host,a,p,v1,v2,v3,vs))

  2516.     host.set_file_callback(fileCallback)

  2517. 

  2518.     # If it's a plugin the paths are already set

  2519.     if not isPlugin:

  2520.         host.pathBinaries  = pathBinaries

  2521.         host.pathResources = pathResources

  2522.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  2523.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  2524. 

  2525.         if not isControl:

  2526.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  2527. 

  2528.     # --------------------------------------------------------------------------------------------------------

  2529.     # Init utils

  2530. 

  2531.     gCarla.utils = CarlaUtils(utilsname)

  2532.     gCarla.utils.set_process_name(os.path.basename(initName))

  2533. 

  2534.     try:

  2535.         sys.stdout.flush()

  2536.     except:

  2537.         pass

  2538. 

  2539.     sys.stdout = CarlaPrint(False)

  2540.     sys.stderr = CarlaPrint(True)

  2541. 

  2542.     if config_UseQt5:

  2543.         sys.excepthook = sys_excepthook

  2544. 

  2545.     # --------------------------------------------------------------------------------------------------------

  2546.     # Done

  2547. 

  2548.     return host

  2549. 

  2550. # ------------------------------------------------------------------------------------------------------------

  2551. # Load host settings

  2552. 

  2553. def loadHostSettings(host):

  2554.     # kdevelop likes this :)

  2555.     if False: host = CarlaHostNull()

  2556. 

  2557.     settings = QSettings("falkTX", "Carla2")

  2558. 

  2559.     try:

  2560.         host.experimental = settings.value(CARLA_KEY_MAIN_EXPERIMENTAL, CARLA_DEFAULT_MAIN_EXPERIMENTAL, type=bool)

  2561.     except:

  2562.         host.experimental = CARLA_DEFAULT_MAIN_EXPERIMENTAL

  2563. 

  2564.     try:

  2565.         host.exportLV2 = settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2, CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT, type=bool)

  2566.     except:

  2567.         host.exportLV2 = CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT

  2568. 

  2569.     try:

  2570.         host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, type=bool)

  2571.     except:

  2572.         host.manageUIs = CARLA_DEFAULT_MANAGE_UIS

  2573. 

  2574.     try:

  2575.         host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, type=int)

  2576.     except:

  2577.         host.maxParameters = CARLA_DEFAULT_MAX_PARAMETERS

  2578. 

  2579.     try:

  2580.         host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, type=bool)

  2581.     except:

  2582.         host.forceStereo = CARLA_DEFAULT_FORCE_STEREO

  2583. 

  2584.     try:

  2585.         host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, type=bool)

  2586.     except:

  2587.         host.preferPluginBridges = CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES

  2588. 

  2589.     try:

  2590.         host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, type=bool)

  2591.     except:

  2592.         host.preferUIBridges = CARLA_DEFAULT_PREFER_UI_BRIDGES

  2593. 

  2594.     try:

  2595.         host.preventBadBehaviour = settings.value(CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, type=bool)

  2596.     except:

  2597.         host.preventBadBehaviour = CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR

  2598. 

  2599.     try:

  2600.         host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, type=bool)

  2601.     except:

  2602.         host.showLogs = CARLA_DEFAULT_MAIN_SHOW_LOGS

  2603. 

  2604.     try:

  2605.         host.showPluginBridges = settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, type=bool)

  2606.     except:

  2607.         host.showPluginBridges = CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES

  2608. 

  2609.     try:

  2610.         host.showWineBridges = settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, type=bool)

  2611.     except:

  2612.         host.showWineBridges = CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES

  2613. 

  2614.     try:

  2615.         host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, type=int)

  2616.     except:

  2617.         host.uiBridgesTimeout = CARLA_DEFAULT_UI_BRIDGES_TIMEOUT

  2618. 

  2619.     try:

  2620.         host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, type=bool)

  2621.     except:

  2622.         host.uisAlwaysOnTop = CARLA_DEFAULT_UIS_ALWAYS_ON_TOP

  2623. 

  2624.     if host.isPlugin:

  2625.         return

  2626. 

  2627.     # enums

  2628.     if host.audioDriverForced is None:

  2629.         try:

  2630.             host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, type=int)

  2631.         except:

  2632.             host.transportMode = CARLA_DEFAULT_TRANSPORT_MODE

  2633. 

  2634.     if not host.processModeForced:

  2635.         try:

  2636.             host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, type=int)

  2637.         except:

  2638.             host.processMode = CARLA_DEFAULT_PROCESS_MODE

  2639. 

  2640.     host.nextProcessMode = host.processMode

  2641. 

  2642.     # --------------------------------------------------------------------------------------------------------

  2643.     # fix things if needed

  2644. 

  2645.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS and LADISH_APP_NAME:

  2646.         print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  2647.         host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  2648. 

  2649.     # --------------------------------------------------------------------------------------------------------

  2650.     # run headless host now if nogui option enabled

  2651. 

  2652.     if gCarla.nogui:

  2653.         runHostWithoutUI(host)

  2654. 

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

  2656. # Set host settings

  2657. 

  2658. def setHostSettings(host):

  2659.     # kdevelop likes this :)

  2660.     if False: host = CarlaHostNull()

  2661. 

  2662.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  2663.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  2664.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  2665.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  2666.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  2667.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  2668.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  2669.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  2670. 

  2671.     if host.isPlugin:

  2672.         return

  2673. 

  2674.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  2675.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       "")

  2676. 

  2677. # ------------------------------------------------------------------------------------------------------------

  2678. # Set Engine settings according to carla preferences. Returns selected audio driver.

  2679. 

  2680. def setEngineSettings(host):

  2681.     # kdevelop likes this :)

  2682.     if False: host = CarlaHostNull()

  2683. 

  2684.     # --------------------------------------------------------------------------------------------------------

  2685.     # do nothing if control

  2686. 

  2687.     if host.isControl:

  2688.         return "Control"

  2689. 

  2690.     # --------------------------------------------------------------------------------------------------------

  2691. 

  2692.     settings = QSettings("falkTX", "Carla2")

  2693. 

  2694.     # --------------------------------------------------------------------------------------------------------

  2695.     # main settings

  2696. 

  2697.     setHostSettings(host)

  2698. 

  2699.     # --------------------------------------------------------------------------------------------------------

  2700.     # plugin paths

  2701. 

  2702.     LADSPA_PATH = toList(settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH))

  2703.     DSSI_PATH   = toList(settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH))

  2704.     LV2_PATH    = toList(settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH))

  2705.     VST2_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST2,   CARLA_DEFAULT_VST2_PATH))

  2706.     GIG_PATH    = toList(settings.value(CARLA_KEY_PATHS_GIG,    CARLA_DEFAULT_GIG_PATH))

  2707.     SF2_PATH    = toList(settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH))

  2708.     SFZ_PATH    = toList(settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH))

  2709. 

  2710.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  2711.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  2712.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  2713.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2,   splitter.join(VST2_PATH))

  2714.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_GIG,    splitter.join(GIG_PATH))

  2715.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  2716.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  2717. 

  2718.     # --------------------------------------------------------------------------------------------------------

  2719.     # don't continue if plugin

  2720. 

  2721.     if host.isPlugin:

  2722.         return "Plugin"

  2723. 

  2724.     # --------------------------------------------------------------------------------------------------------

  2725.     # driver and device settings

  2726. 

  2727.     # driver name

  2728.     if host.audioDriverForced is not None:

  2729.         audioDriver = host.audioDriverForced

  2730.     else:

  2731.         try:

  2732.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, type=str)

  2733.         except:

  2734.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  2735. 

  2736.     # driver options

  2737.     try:

  2738.         audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", type=str)

  2739.     except:

  2740.         audioDevice = ""

  2741. 

  2742.     try:

  2743.         audioNumPeriods = settings.value("%s%s/NumPeriods" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_NUM_PERIODS, type=int)

  2744.     except:

  2745.         audioNumPeriods = CARLA_DEFAULT_AUDIO_NUM_PERIODS

  2746. 

  2747.     try:

  2748.         audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, type=int)

  2749.     except:

  2750.         audioBufferSize = CARLA_DEFAULT_AUDIO_BUFFER_SIZE

  2751. 

  2752.     try:

  2753.         audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, type=int)

  2754.     except:

  2755.         audioSampleRate = CARLA_DEFAULT_AUDIO_SAMPLE_RATE

  2756. 

  2757.     host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE,      0,               audioDevice)

  2758.     host.set_engine_option(ENGINE_OPTION_AUDIO_NUM_PERIODS, audioNumPeriods, "")

  2759.     host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  2760.     host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  2761. 

  2762.     # --------------------------------------------------------------------------------------------------------

  2763.     # fix things if needed

  2764. 

  2765.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  2766.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  2767.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, "")

  2768. 

  2769.     # --------------------------------------------------------------------------------------------------------

  2770.     # wine settings

  2771. 

  2772.     optWineExecutable = settings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, type=str)

  2773.     optWineAutoPrefix = settings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, type=bool)

  2774.     optWineFallbackPrefix = settings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, type=str)

  2775.     optWineRtPrioEnabled = settings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, type=bool)

  2776.     optWineBaseRtPrio = settings.value(CARLA_KEY_WINE_BASE_RT_PRIO,   CARLA_DEFAULT_WINE_BASE_RT_PRIO, type=int)

  2777.     optWineServerRtPrio = settings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, type=int)

  2778. 

  2779.     host.set_engine_option(ENGINE_OPTION_WINE_EXECUTABLE, 0, optWineExecutable)

  2780.     host.set_engine_option(ENGINE_OPTION_WINE_AUTO_PREFIX, 1 if optWineAutoPrefix else 0, "")

  2781.     host.set_engine_option(ENGINE_OPTION_WINE_FALLBACK_PREFIX, 0, os.path.expanduser(optWineFallbackPrefix))

  2782.     host.set_engine_option(ENGINE_OPTION_WINE_RT_PRIO_ENABLED, 1 if optWineRtPrioEnabled else 0, "")

  2783.     host.set_engine_option(ENGINE_OPTION_WINE_BASE_RT_PRIO, optWineBaseRtPrio, "")

  2784.     host.set_engine_option(ENGINE_OPTION_WINE_SERVER_RT_PRIO, optWineServerRtPrio, "")

  2785. 

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

  2787.     # return selected driver name

  2788. 

  2789.     return audioDriver

  2790. 

  2791. # ------------------------------------------------------------------------------------------------------------

  2792. # Run Carla without showing UI

  2793. 

  2794. def runHostWithoutUI(host):

  2795.     # kdevelop likes this :)

  2796.     if False: host = CarlaHostNull()

  2797. 

  2798.     # --------------------------------------------------------------------------------------------------------

  2799.     # Some initial checks

  2800. 

  2801.     if not gCarla.nogui:

  2802.         return

  2803. 

  2804.     projectFile = getInitialProjectFile(QCoreApplication.instance(), True)

  2805. 

  2806.     if not projectFile:

  2807.         print("Carla no-gui mode can only be used together with a project file.")

  2808.         sys.exit(1)

  2809. 

  2810.     # --------------------------------------------------------------------------------------------------------

  2811.     # Additional imports

  2812. 

  2813.     from time import sleep

  2814. 

  2815.     # --------------------------------------------------------------------------------------------------------

  2816.     # Init engine

  2817. 

  2818.     audioDriver = setEngineSettings(host)

  2819.     if not host.engine_init(audioDriver, "Carla"):

  2820.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  2821.         sys.exit(1)

  2822. 

  2823.     if not host.load_project(projectFile):

  2824.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  2825.         host.engine_close()

  2826.         sys.exit(1)

  2827. 

  2828.     # --------------------------------------------------------------------------------------------------------

  2829.     # Idle

  2830. 

  2831.     while host.is_engine_running() and not gCarla.term:

  2832.         host.engine_idle()

  2833.         sleep(0.5)

  2834. 

  2835.     # --------------------------------------------------------------------------------------------------------

  2836.     # Stop

  2837. 

  2838.     host.engine_close()

  2839.     sys.exit(0)

  2840. 

  2841. # ------------------------------------------------------------------------------------------------------------