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

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  1. #!/usr/bin/env python3

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

  3. 

  4. # Carla host code

  5. # Copyright (C) 2011-2020 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 (Global)

  21. 

  22. import json

  23. 

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

  25. # Imports (ctypes)

  26. 

  27. from ctypes import (

  28.     byref, pointer

  29. )

  30. 

  31. # ------------------------------------------------------------------------------------------------------------

  32. # Imports (PyQt5)

  33. 

  34. # This fails in some configurations, assume >= 5.6.0 in that case

  35. try:

  36.     from PyQt5.Qt import PYQT_VERSION

  37. except ImportError:

  38.     PYQT_VERSION = 0x50600

  39. 

  40. from PyQt5.QtCore import QT_VERSION, qCritical, QEventLoop, QFileInfo, QModelIndex, QPointF, QTimer, QEvent

  41. from PyQt5.QtGui import QImage, QImageWriter, QPainter, QPalette, QBrush

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

  43. 

  44. # ------------------------------------------------------------------------------------------------------------

  45. # Imports (Custom)

  46. 

  47. import ui_carla_host

  48. 

  49. from carla_app import *

  50. from carla_backend_qt import CarlaHostQtDLL, CarlaHostQtNull

  51. from carla_database import *

  52. from carla_settings import *

  53. from carla_utils import *

  54. from carla_widgets import *

  55. 

  56. from patchcanvas import patchcanvas

  57. from widgets.digitalpeakmeter import DigitalPeakMeter

  58. from widgets.pixmapkeyboard import PixmapKeyboardHArea

  59. 

  60. # ------------------------------------------------------------------------------------------------------------

  61. # Try Import OpenGL

  62. 

  63. try:

  64.     from PyQt5.QtOpenGL import QGLWidget

  65.     hasGL = True

  66. except:

  67.     hasGL = False

  68. 

  69. # ------------------------------------------------------------------------------------------------------------

  70. # Safe exception hook, needed for PyQt5

  71. 

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

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

  74. 

  75. # ------------------------------------------------------------------------------------------------------------

  76. # Session Management support

  77. 

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

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

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

  81. 

  82. # ------------------------------------------------------------------------------------------------------------

  83. # Small print helper

  84. 

  85. def processMode2Str(processMode):

  86.     if processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT:

  87.         return "Single client"

  88.     if processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  89.         return "Multi client"

  90.     if processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK:

  91.         return "Continuous Rack"

  92.     if processMode == ENGINE_PROCESS_MODE_PATCHBAY:

  93.         return "Patchbay"

  94.     if processMode == ENGINE_PROCESS_MODE_BRIDGE:

  95.         return "Bridge"

  96.     return "Unknown"

  97. 

  98. # ------------------------------------------------------------------------------------------------------------

  99. # Carla Print class

  100. 

  101. class CarlaPrint:

  102.     def __init__(self, err):

  103.         self.err = err

  104. 

  105.     def flush(self):

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

  107. 

  108.     def write(self, string):

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

  110. 

  111. # ------------------------------------------------------------------------------------------------------------

  112. # Host Window

  113. 

  114. class HostWindow(QMainWindow):

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

  116.     # signals

  117.     SIGTERM = pyqtSignal()

  118.     SIGUSR1 = pyqtSignal()

  119. 

  120.     # CustomActions

  121.     CUSTOM_ACTION_NONE         = 0

  122.     CUSTOM_ACTION_APP_CLOSE    = 1

  123.     CUSTOM_ACTION_PROJECT_LOAD = 2

  124. 

  125.     # --------------------------------------------------------------------------------------------------------

  126. 

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

  128.         QMainWindow.__init__(self, parent)

  129.         self.host = host

  130.         self.ui = ui_carla_host.Ui_CarlaHostW()

  131.         self.ui.setupUi(self)

  132.         gCarla.gui = self

  133. 

  134.         if False:

  135.             # kdevelop likes this :)

  136.             host = CarlaHostNull()

  137.             self.host = host

  138. 

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

  140. 

  141.         self.fParentOrSelf = parent or self

  142. 

  143.         # ----------------------------------------------------------------------------------------------------

  144.         # Internal stuff

  145. 

  146.         self.fIdleTimerNull = self.startTimer(1000) # keep application signals alive

  147.         self.fIdleTimerFast = 0

  148.         self.fIdleTimerSlow = 0

  149. 

  150.         self.fLadspaRdfNeedsUpdate = True

  151.         self.fLadspaRdfList = []

  152. 

  153.         self.fPluginCount = 0

  154.         self.fPluginList  = []

  155. 

  156.         self.fPluginDatabaseDialog = None

  157.         self.fFavoritePlugins = []

  158. 

  159.         self.fProjectFilename  = ""

  160.         self.fIsProjectLoading = False

  161.         self.fCurrentlyRemovingAllPlugins = False

  162. 

  163.         self.fLastTransportBPM   = 0.0

  164.         self.fLastTransportFrame = 0

  165.         self.fLastTransportState = False

  166.         self.fBufferSize         = 0

  167.         self.fSampleRate         = 0.0

  168.         self.fOscAddressTCP      = ""

  169.         self.fOscAddressUDP      = ""

  170.         self.fOscReportedHost    = ""

  171. 

  172.         if MACOS:

  173.             self.fMacClosingHelper = True

  174. 

  175.         # CancelableActionCallback Box

  176.         self.fCancelableActionBox = None

  177. 

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

  179.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  180. 

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

  182.         self.fFirstEngineInit = True

  183. 

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

  185.         self.fSavedSettings = {}

  186. 

  187.         # true if NSM server handles our window management

  188.         self.fWindowCloseHideGui = False

  189. 

  190.         if host.isControl:

  191.             self.fClientName         = "Carla-Control"

  192.             self.fSessionManagerName = "Control"

  193.         elif host.isPlugin:

  194.             self.fClientName         = "Carla-Plugin"

  195.             self.fSessionManagerName = "Plugin"

  196.         elif LADISH_APP_NAME:

  197.             self.fClientName         = LADISH_APP_NAME

  198.             self.fSessionManagerName = "LADISH"

  199.         elif NSM_URL and host.nsmOK:

  200.             self.fClientName         = "Carla.tmp"

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

  202.             self.fWindowCloseHideGui = True

  203.         else:

  204.             self.fClientName         = CARLA_CLIENT_NAME or "Carla"

  205.             self.fSessionManagerName = ""

  206. 

  207.         # ----------------------------------------------------------------------------------------------------

  208.         # Internal stuff (patchbay)

  209. 

  210.         self.fPeaksCleared = True

  211. 

  212.         self.fExternalPatchbay = False

  213.         self.fSelectedPlugins  = []

  214. 

  215.         self.fCanvasWidth  = 0

  216.         self.fCanvasHeight = 0

  217.         self.fMiniCanvasUpdateTimeout = 0

  218. 

  219.         self.fWithCanvas = withCanvas

  220. 

  221.         # ----------------------------------------------------------------------------------------------------

  222.         # Internal stuff (logs)

  223. 

  224.         self.autoscrollOnNewLog = True

  225.         self.lastLogSliderPos = 0

  226. 

  227.         # ----------------------------------------------------------------------------------------------------

  228.         # Set up GUI (engine stopped)

  229. 

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

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

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

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

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

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

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

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

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

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

  240. 

  241.             if self.host.isControl:

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

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

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

  245.                 self.ui.tabUtils.removeTab(0)

  246.             else:

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

  248. 

  249.                 if not withCanvas:

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

  251. 

  252.         else:

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

  254. 

  255.             if WINDOWS:

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

  257. 

  258.         if self.host.isControl:

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

  260.         else:

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

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

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

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

  265. 

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

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

  268. 

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

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

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

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

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

  274. 

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

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

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

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

  279. 

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

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

  282. 

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

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

  285. 

  286.         if not withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  304.             self.ui.tw_miniCanvas.hide()

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

  306.             if WINDOWS:

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

  308. 

  309.         # ----------------------------------------------------------------------------------------------------

  310.         # Set up GUI (disk)

  311. 

  312.         exts = gCarla.utils.get_supported_file_extensions()

  313. 

  314.         self.fDirModel = QFileSystemModel(self)

  315.         self.fDirModel.setRootPath(HOME)

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

  317. 

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

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

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

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

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

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

  324. 

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

  326.         # Set up GUI (transport)

  327. 

  328.         fontMetrics   = self.ui.l_transport_bbt.fontMetrics()

  329.         minValueWidth = fontMetricsHorizontalAdvance(fontMetrics, "000|00|0000")

  330.         minLabelWidth = fontMetricsHorizontalAdvance(fontMetrics, self.ui.label_transport_frame.text())

  331. 

  332.         labelTimeWidth = fontMetricsHorizontalAdvance(fontMetrics, self.ui.label_transport_time.text())

  333.         labelBBTWidth  = fontMetricsHorizontalAdvance(fontMetrics, self.ui.label_transport_bbt.text())

  334. 

  335.         if minLabelWidth < labelTimeWidth:

  336.             minLabelWidth = labelTimeWidth

  337.         if minLabelWidth < labelBBTWidth:

  338.             minLabelWidth = labelBBTWidth

  339. 

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

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

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

  343. 

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

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

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

  347. 

  348.         if host.isPlugin:

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

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

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

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

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

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

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

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

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

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

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

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

  361. 

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

  363. 

  364.         # ----------------------------------------------------------------------------------------------------

  365.         # Set up GUI (rack)

  366. 

  367.         self.ui.listWidget.setHostAndParent(self.host, self)

  368. 

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

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

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

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

  373. 

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

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

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

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

  378. 

  379.         self.updateStyle()

  380. 

  381.         self.ui.rack.setStyleSheet("""

  382.           CarlaRackList#CarlaRackList {

  383.             background-color: black;

  384.           }

  385.         """)

  386. 

  387.         # ----------------------------------------------------------------------------------------------------

  388.         # Set up GUI (patchbay)

  389. 

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

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

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

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

  394. 

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

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

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

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

  399. 

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

  401.         self.ui.keyboard   = self.ui.scrollArea.keyboard

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

  403. 

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

  405. 

  406.         self.ui.miniCanvasPreview.setRealParent(self)

  407.         self.ui.tw_miniCanvas.tabBar().hide()

  408. 

  409.         # ----------------------------------------------------------------------------------------------------

  410.         # Set up GUI (logs)

  411. 

  412.         self.ui.text_logs.textChanged.connect(self.slot_logButtonsState)

  413.         self.ui.logs_clear.clicked.connect(self.slot_logClear)

  414.         self.ui.logs_save.clicked.connect(self.slot_logSave)

  415.         self.ui.logs_autoscroll.stateChanged.connect(self.slot_toggleLogAutoscroll)

  416.         self.ui.text_logs.verticalScrollBar().valueChanged.connect(self.slot_logSliderMoved)

  417. 

  418.         # ----------------------------------------------------------------------------------------------------

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

  420. 

  421.         if MACOS:

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

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

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

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

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

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

  428. 

  429.         # ----------------------------------------------------------------------------------------------------

  430.         # Load Settings

  431. 

  432.         self.loadSettings(True)

  433. 

  434.         # ----------------------------------------------------------------------------------------------------

  435.         # Set-up Canvas

  436. 

  437.         if withCanvas:

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

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

  440. 

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

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

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

  444. 

  445.             self.setupCanvas()

  446. 

  447.         # ----------------------------------------------------------------------------------------------------

  448.         # Connect actions to functions

  449. 

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

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

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

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

  454. 

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

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

  457.         self.ui.act_engine_panic.triggered.connect(self.slot_pluginsDisable)

  458.         self.ui.act_engine_config.triggered.connect(self.slot_engineConfig)

  459. 

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

  461.         self.ui.act_plugin_add_jack.triggered.connect(self.slot_jackAppAdd)

  462.         self.ui.act_plugin_remove_all.triggered.connect(self.slot_confirmRemoveAll)

  463. 

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

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

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

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

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

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

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

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

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

  473. 

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

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

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

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

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

  479. 

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

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

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

  483. 

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

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

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

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

  488. 

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

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

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

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

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

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

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

  496. 

  497.         self.ui.b_xruns.clicked.connect(self.slot_xrunClear)

  498. 

  499.         self.ui.listWidget.customContextMenuRequested.connect(self.slot_showPluginActionsMenu)

  500. 

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

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

  503. 

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

  505. 

  506.         if withCanvas:

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

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

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

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

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

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

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

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

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

  516.             self.ui.act_canvas_save_image_2x.triggered.connect(self.slot_canvasSaveImage)

  517.             self.ui.act_canvas_save_image_4x.triggered.connect(self.slot_canvasSaveImage)

  518.             self.ui.act_canvas_copy_clipboard.triggered.connect(self.slot_canvasCopyToClipboard)

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

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

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

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

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

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

  525.             self.scene.selectionChanged.connect(self.slot_canvasSelectionChanged)

  526. 

  527.         self.SIGUSR1.connect(self.slot_handleSIGUSR1)

  528.         self.SIGTERM.connect(self.slot_handleSIGTERM)

  529. 

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

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

  532.         host.TransportModeChangedCallback.connect(self.slot_handleTransportModeChangedCallback)

  533.         host.BufferSizeChangedCallback.connect(self.slot_handleBufferSizeChangedCallback)

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

  535.         host.CancelableActionCallback.connect(self.slot_handleCancelableActionCallback)

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

  537. 

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

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

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

  541. 

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

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

  544. 

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

  546. 

  547.         if withCanvas:

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

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

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

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

  552.             host.PatchbayClientPositionChangedCallback.connect(self.slot_handlePatchbayClientPositionChangedCallback)

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

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

  555.             host.PatchbayPortChangedCallback.connect(self.slot_handlePatchbayPortChangedCallback)

  556.             host.PatchbayPortGroupAddedCallback.connect(self.slot_handlePatchbayPortGroupAddedCallback)

  557.             host.PatchbayPortGroupRemovedCallback.connect(self.slot_handlePatchbayPortGroupRemovedCallback)

  558.             host.PatchbayPortGroupChangedCallback.connect(self.slot_handlePatchbayPortGroupChangedCallback)

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

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

  561. 

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

  563. 

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

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

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

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

  568.         host.InlineDisplayRedrawCallback.connect(self.slot_handleInlineDisplayRedrawCallback)

  569. 

  570.         # ----------------------------------------------------------------------------------------------------

  571.         # Final setup

  572. 

  573.         self.ui.text_logs.clear()

  574.         self.slot_logButtonsState(False)

  575.         self.setProperWindowTitle()

  576. 

  577.         # Disable non-supported features

  578.         features = gCarla.utils.get_supported_features()

  579. 

  580.         if "link" not in features:

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

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

  583. 

  584.         if "juce" not in features:

  585.             self.ui.act_help_about_juce.setEnabled(False)

  586.             self.ui.act_help_about_juce.setVisible(False)

  587. 

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

  589.         if self.host.isPlugin or self.host.isRemote:

  590.             self.startTimers()

  591. 

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

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

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

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

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

  597. 

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

  599.         if host.processModeForced and host.processMode == ENGINE_PROCESS_MODE_PATCHBAY:

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

  601. 

  602.         # Load initial project file if set

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

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

  605. 

  606.             if projectFile:

  607.                 self.loadProjectLater(projectFile)

  608. 

  609.         # For NSM we wait for the open message

  610.         if NSM_URL and host.nsmOK:

  611.             host.nsm_ready(NSM_CALLBACK_INIT)

  612.             return

  613. 

  614.         if not host.isControl:

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

  616. 

  617.     # --------------------------------------------------------------------------------------------------------

  618.     # Manage visibility state, needed for NSM

  619. 

  620.     def hideForNSM(self):

  621.         for pitem in reversed(self.fPluginList):

  622.             if pitem is None:

  623.                 continue

  624.             pitem.getWidget().hideCustomUI()

  625.         self.hide()

  626. 

  627.     def showIfNeeded(self):

  628.         if self.host.nsmOK:

  629.             self.ui.act_file_quit.setText(self.tr("Hide"))

  630.             QApplication.instance().setQuitOnLastWindowClosed(False)

  631.         else:

  632.             self.show()

  633. 

  634.     # --------------------------------------------------------------------------------------------------------

  635.     # Setup

  636. 

  637.     def compactPlugin(self, pluginId):

  638.         if pluginId > self.fPluginCount:

  639.             return

  640. 

  641.         pitem = self.fPluginList[pluginId]

  642. 

  643.         if pitem is None:

  644.             return

  645. 

  646.         pitem.recreateWidget(True)

  647. 

  648.     def changePluginColor(self, pluginId, color, colorStr):

  649.         if pluginId > self.fPluginCount:

  650.             return

  651. 

  652.         pitem = self.fPluginList[pluginId]

  653. 

  654.         if pitem is None:

  655.             return

  656. 

  657.         self.host.set_custom_data(pluginId, CUSTOM_DATA_TYPE_PROPERTY, "CarlaColor", colorStr)

  658.         pitem.recreateWidget(newColor = color)

  659. 

  660.     def changePluginSkin(self, pluginId, skin):

  661.         if pluginId > self.fPluginCount:

  662.             return

  663. 

  664.         pitem = self.fPluginList[pluginId]

  665. 

  666.         if pitem is None:

  667.             return

  668. 

  669.         self.host.set_custom_data(pluginId, CUSTOM_DATA_TYPE_PROPERTY, "CarlaSkin", skin)

  670.         if skin not in ("default","rncbc","presets","mpresets"):

  671.             pitem.recreateWidget(newSkin = skin, newColor = (255,255,255))

  672.         else:

  673.             pitem.recreateWidget(newSkin = skin)

  674. 

  675.     def findPluginInPatchbay(self, pluginId):

  676.         if pluginId > self.fPluginCount:

  677.             return

  678. 

  679.         if self.fExternalPatchbay:

  680.             self.slot_canvasShowInternal()

  681. 

  682.         if not patchcanvas.focusGroupUsingPluginId(pluginId):

  683.             name = self.host.get_plugin_info(pluginId)['name']

  684.             if not patchcanvas.focusGroupUsingGroupName(name):

  685.                 return

  686. 

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

  688. 

  689.     def switchPlugins(self, pluginIdA, pluginIdB):

  690.         if pluginIdA == pluginIdB:

  691.             return

  692.         if pluginIdA < 0 or pluginIdB < 0:

  693.             return

  694.         if pluginIdA >= self.fPluginCount or pluginIdB >= self.fPluginCount:

  695.             return

  696. 

  697.         self.host.switch_plugins(pluginIdA, pluginIdB)

  698. 

  699.         itemA = self.fPluginList[pluginIdA]

  700.         compactA = itemA.isCompacted()

  701.         guiShownA = itemA.isGuiShown()

  702. 

  703.         itemB = self.fPluginList[pluginIdB]

  704.         compactB = itemB.isCompacted()

  705.         guiShownB = itemB.isGuiShown()

  706. 

  707.         itemA.setPluginId(pluginIdA)

  708.         itemA.recreateWidget2(compactB, guiShownB)

  709. 

  710.         itemB.setPluginId(pluginIdB)

  711.         itemB.recreateWidget2(compactA, guiShownA)

  712. 

  713.         if self.fWithCanvas:

  714.             self.slot_canvasRefresh()

  715. 

  716.     def setLoadRDFsNeeded(self):

  717.         self.fLadspaRdfNeedsUpdate = True

  718. 

  719.     def setProperWindowTitle(self):

  720.         title = self.fClientName

  721. 

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

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

  724.         if self.fSessionManagerName:

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

  726. 

  727.         self.setWindowTitle(title)

  728. 

  729.     def updateBufferSize(self, newBufferSize):

  730.         if self.fBufferSize == newBufferSize:

  731.             return

  732.         self.fBufferSize = newBufferSize

  733.         self.ui.cb_buffer_size.clear()

  734.         self.ui.cb_buffer_size.addItem(str(newBufferSize))

  735.         self.ui.cb_buffer_size.setCurrentIndex(0)

  736. 

  737.     def updateSampleRate(self, newSampleRate):

  738.         if self.fSampleRate == newSampleRate:

  739.             return

  740.         self.fSampleRate = newSampleRate

  741.         self.ui.cb_sample_rate.clear()

  742.         self.ui.cb_sample_rate.addItem(str(newSampleRate))

  743.         self.ui.cb_sample_rate.setCurrentIndex(0)

  744.         self.refreshTransport(True)

  745. 

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

  747.     # Files

  748. 

  749.     def loadProjectNow(self):

  750.         if not self.fProjectFilename:

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

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

  753.             return

  754. 

  755.         self.projectLoadingStarted()

  756.         self.fIsProjectLoading = True

  757. 

  758.         if not self.host.load_project(self.fProjectFilename):

  759.             self.fIsProjectLoading = False

  760.             self.projectLoadingFinished()

  761. 

  762.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load project"),

  763.                              self.host.get_last_error(),

  764.                              QMessageBox.Ok, QMessageBox.Ok)

  765. 

  766.     def loadProjectLater(self, filename):

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

  768.         self.setProperWindowTitle()

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

  770. 

  771.     def saveProjectNow(self):

  772.         if not self.fProjectFilename:

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

  774. 

  775.         if not self.host.save_project(self.fProjectFilename):

  776.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to save project"),

  777.                              self.host.get_last_error(),

  778.                              QMessageBox.Ok, QMessageBox.Ok)

  779.             return

  780. 

  781.     def projectLoadingStarted(self):

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

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

  784. 

  785.     def projectLoadingFinished(self):

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

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

  788. 

  789.         if not self.fWithCanvas:

  790.             return

  791. 

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

  793. 

  794.         extrafile = self.fProjectFilename.rsplit(".",1)[0]+".json"

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

  796.             return

  797. 

  798.         try:

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

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

  801.         except:

  802.             return

  803. 

  804.         patchcanvas.restoreGroupPositions(canvasdata)

  805. 

  806.     # --------------------------------------------------------------------------------------------------------

  807.     # Files (menu actions)

  808. 

  809.     @pyqtSlot()

  810.     def slot_fileNew(self):

  811.         if self.fPluginCount > 0 and QMessageBox.question(self, self.tr("New File"),

  812.                                                                 self.tr("Plugins that are currently loaded will be removed. Are you sure?"),

  813.                                                                 QMessageBox.Yes|QMessageBox.No) == QMessageBox.No:

  814.             return

  815. 

  816.         self.pluginRemoveAll()

  817.         self.fProjectFilename = ""

  818.         self.setProperWindowTitle()

  819.         self.host.clear_project_filename()

  820. 

  821.     @pyqtSlot()

  822.     def slot_fileOpen(self):

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

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

  825. 

  826.         # FIXME use ok value, test if it works as expected

  827.         if not filename:

  828.             return

  829. 

  830.         newFile = True

  831. 

  832.         if self.fPluginCount > 0:

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

  834.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  836. 

  837.         if newFile:

  838.             self.pluginRemoveAll()

  839.             self.fProjectFilename = filename

  840.             self.setProperWindowTitle()

  841.             self.loadProjectNow()

  842.         else:

  843.             filenameOld = self.fProjectFilename

  844.             self.fProjectFilename = filename

  845.             self.loadProjectNow()

  846.             self.fProjectFilename = filenameOld

  847. 

  848.     @pyqtSlot()

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

  850.         if self.fProjectFilename and not saveAs:

  851.             return self.saveProjectNow()

  852. 

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

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

  855. 

  856.         # FIXME use ok value, test if it works as expected

  857.         if not filename:

  858.             return

  859. 

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

  861.             filename += ".carxp"

  862. 

  863.         if self.fProjectFilename != filename:

  864.             self.fProjectFilename = filename

  865.             self.setProperWindowTitle()

  866. 

  867.         self.saveProjectNow()

  868. 

  869.     @pyqtSlot()

  870.     def slot_fileSaveAs(self):

  871.         self.slot_fileSave(True)

  872. 

  873.     @pyqtSlot()

  874.     def slot_loadProjectNow(self):

  875.         self.loadProjectNow()

  876. 

  877.     # --------------------------------------------------------------------------------------------------------

  878.     # Engine (menu actions)

  879. 

  880.     @pyqtSlot()

  881.     def slot_engineStart(self):

  882.         audioDriver = setEngineSettings(self.host)

  883.         firstInit   = self.fFirstEngineInit

  884. 

  885.         self.fFirstEngineInit = False

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

  887. 

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

  889.             if firstInit and not (self.host.isControl or self.host.isPlugin):

  890.                 settings = QSafeSettings()

  891.                 lastBpm  = settings.value("LastBPM", 120.0, float)

  892.                 del settings

  893.                 if lastBpm >= 20.0:

  894.                     self.host.transport_bpm(lastBpm)

  895.             return

  896. 

  897.         elif firstInit:

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

  899.             return

  900. 

  901.         audioError = self.host.get_last_error()

  902. 

  903.         if audioError:

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

  905.         else:

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

  907. 

  908.     @pyqtSlot()

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

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

  911. 

  912.         if self.fPluginCount == 0 or not self.host.is_engine_running():

  913.             self.engineStopFinal()

  914.             return True

  915. 

  916.         if not forced:

  917.             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"

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

  919.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  920.             if ask != QMessageBox.Yes:

  921.                 return False

  922. 

  923.         return self.slot_engineStopTryAgain()

  924. 

  925.     @pyqtSlot()

  926.     def slot_engineConfig(self):

  927.         dialog = RuntimeDriverSettingsW(self.fParentOrSelf, self.host)

  928. 

  929.         if not dialog.exec_():

  930.             return

  931. 

  932.         audioDevice, bufferSize, sampleRate = dialog.getValues()

  933. 

  934.         if self.host.is_engine_running():

  935.             self.host.set_engine_buffer_size_and_sample_rate(bufferSize, sampleRate)

  936.         else:

  937.             self.host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE, 0, audioDevice)

  938.             self.host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, bufferSize, "")

  939.             self.host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, sampleRate, "")

  940. 

  941.     @pyqtSlot()

  942.     def slot_engineStopTryAgain(self):

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

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

  945.             return False

  946. 

  947.         self.engineStopFinal()

  948.         return True

  949. 

  950.     def engineStopFinal(self):

  951.         patchcanvas.handleAllPluginsRemoved()

  952.         self.killTimers()

  953. 

  954.         if self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  955.             self.removeAllPlugins()

  956.         elif self.fPluginCount != 0:

  957.             self.fCurrentlyRemovingAllPlugins = True

  958.             self.projectLoadingStarted()

  959. 

  960.         if self.host.is_engine_running() and not self.host.remove_all_plugins():

  961.             self.ui.text_logs.appendPlainText("Failed to remove all plugins, error was:")

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

  963. 

  964.         if not self.host.engine_close():

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

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

  967. 

  968.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  969.             self.close()

  970.         elif self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  971.             self.slot_engineStart()

  972.             self.loadProjectNow()

  973.             self.host.nsm_ready(NSM_CALLBACK_OPEN)

  974. 

  975.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  976. 

  977.     # --------------------------------------------------------------------------------------------------------

  978.     # Engine (host callbacks)

  979. 

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

  981.     def slot_handleEngineStartedCallback(self, pluginCount, processMode, transportMode, bufferSize, sampleRate, driverName):

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

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

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

  985. 

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

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

  988. 

  989.         if processMode == ENGINE_PROCESS_MODE_PATCHBAY and not self.host.isPlugin:

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

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

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

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

  994.             self.fExternalPatchbay = False

  995.         else:

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

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

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

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

  1000.             self.fExternalPatchbay = not self.host.isPlugin

  1001. 

  1002.         self.ui.act_canvas_show_internal.blockSignals(False)

  1003.         self.ui.act_canvas_show_external.blockSignals(False)

  1004. 

  1005.         if not (self.host.isControl or self.host.isPlugin):

  1006.             canSave = (self.fProjectFilename and os.path.exists(self.fProjectFilename)) or not self.fSessionManagerName

  1007.             self.ui.act_file_save.setEnabled(canSave)

  1008.             self.ui.act_engine_start.setEnabled(False)

  1009.             self.ui.act_engine_stop.setEnabled(True)

  1010. 

  1011.         if not self.host.isPlugin:

  1012.             self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1013. 

  1014.         if self.host.isPlugin or not self.fSessionManagerName:

  1015.             self.ui.act_file_open.setEnabled(True)

  1016.             self.ui.act_file_save_as.setEnabled(True)

  1017. 

  1018.         self.ui.cb_transport_jack.setChecked(transportMode == ENGINE_TRANSPORT_MODE_JACK)

  1019.         self.ui.cb_transport_jack.setEnabled(driverName == "JACK" and processMode != ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS)

  1020. 

  1021.         if self.ui.cb_transport_link.isEnabled():

  1022.             self.ui.cb_transport_link.setChecked(":link:" in self.host.transportExtra)

  1023. 

  1024.         self.updateBufferSize(bufferSize)

  1025.         self.updateSampleRate(int(sampleRate))

  1026.         self.refreshRuntimeInfo(0.0, 0)

  1027.         self.startTimers()

  1028. 

  1029.         self.ui.text_logs.appendPlainText("======= Engine started ========")

  1030.         self.ui.text_logs.appendPlainText("Carla engine started, details:")

  1031.         self.ui.text_logs.appendPlainText("  Driver name:  %s" % driverName)

  1032.         self.ui.text_logs.appendPlainText("  Sample rate:  %i" % int(sampleRate))

  1033.         self.ui.text_logs.appendPlainText("  Process mode: %s" % processMode2Str(processMode))

  1034. 

  1035.     @pyqtSlot()

  1036.     def slot_handleEngineStoppedCallback(self):

  1037.         self.ui.text_logs.appendPlainText("======= Engine stopped ========")

  1038. 

  1039.         if self.fWithCanvas:

  1040.             patchcanvas.clear()

  1041. 

  1042.         self.killTimers()

  1043. 

  1044.         # just in case

  1045.         self.removeAllPlugins()

  1046.         self.refreshRuntimeInfo(0.0, 0)

  1047. 

  1048.         self.ui.menu_PluginMacros.setEnabled(False)

  1049.         self.ui.menu_Canvas.setEnabled(False)

  1050.         self.ui.w_transport.setEnabled(False)

  1051. 

  1052.         if not (self.host.isControl or self.host.isPlugin):

  1053.             self.ui.act_file_save.setEnabled(False)

  1054.             self.ui.act_engine_start.setEnabled(True)

  1055.             self.ui.act_engine_stop.setEnabled(False)

  1056. 

  1057.         if self.host.isPlugin or not self.fSessionManagerName:

  1058.             self.ui.act_file_open.setEnabled(False)

  1059.             self.ui.act_file_save_as.setEnabled(False)

  1060. 

  1061.     @pyqtSlot(int, str)

  1062.     def slot_handleTransportModeChangedCallback(self, transportMode, transportExtra):

  1063.         self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1064. 

  1065.         self.ui.cb_transport_jack.setChecked(transportMode == ENGINE_TRANSPORT_MODE_JACK)

  1066.         self.ui.cb_transport_link.setChecked(":link:" in transportExtra)

  1067. 

  1068.     @pyqtSlot(int)

  1069.     def slot_handleBufferSizeChangedCallback(self, newBufferSize):

  1070.         self.updateBufferSize(newBufferSize)

  1071. 

  1072.     @pyqtSlot(float)

  1073.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  1074.         self.updateSampleRate(int(newSampleRate))

  1075. 

  1076.     @pyqtSlot(int, bool, str)

  1077.     def slot_handleCancelableActionCallback(self, pluginId, started, action):

  1078.         if self.fCancelableActionBox is not None:

  1079.             self.fCancelableActionBox.close()

  1080. 

  1081.         if started:

  1082.             self.fCancelableActionBox = QMessageBox(self)

  1083.             self.fCancelableActionBox.setIcon(QMessageBox.Information)

  1084.             self.fCancelableActionBox.setWindowTitle(self.tr("Action in progress"))

  1085.             self.fCancelableActionBox.setText(action)

  1086.             self.fCancelableActionBox.setInformativeText(self.tr("An action is in progress, please wait..."))

  1087.             self.fCancelableActionBox.setStandardButtons(QMessageBox.Cancel)

  1088.             self.fCancelableActionBox.setDefaultButton(QMessageBox.Cancel)

  1089.             self.fCancelableActionBox.buttonClicked.connect(self.slot_canlableActionBoxClicked)

  1090.             self.fCancelableActionBox.show()

  1091. 

  1092.         else:

  1093.             self.fCancelableActionBox = None

  1094. 

  1095.     @pyqtSlot()

  1096.     def slot_canlableActionBoxClicked(self):

  1097.         self.host.cancel_engine_action()

  1098. 

  1099.     @pyqtSlot()

  1100.     def slot_handleProjectLoadFinishedCallback(self):

  1101.         self.fIsProjectLoading = False

  1102.         self.projectLoadingFinished()

  1103. 

  1104.     # --------------------------------------------------------------------------------------------------------

  1105.     # Plugins

  1106. 

  1107.     def removeAllPlugins(self):

  1108.         self.ui.act_plugin_remove_all.setEnabled(False)

  1109.         patchcanvas.handleAllPluginsRemoved()

  1110. 

  1111.         while self.ui.listWidget.takeItem(0):

  1112.             pass

  1113. 

  1114.         self.clearSideStuff()

  1115. 

  1116.         for pitem in self.fPluginList:

  1117.             if pitem is None:

  1118.                 continue

  1119. 

  1120.             pitem.close()

  1121.             del pitem

  1122. 

  1123.         self.fPluginCount = 0

  1124.         self.fPluginList  = []

  1125. 

  1126.     # --------------------------------------------------------------------------------------------------------

  1127.     # Plugins (menu actions)

  1128. 

  1129.     def showAddPluginDialog(self):

  1130.         if self.fPluginDatabaseDialog is None:

  1131.             self.fPluginDatabaseDialog = PluginDatabaseW(self.fParentOrSelf, self.host)

  1132.         dialog = self.fPluginDatabaseDialog

  1133. 

  1134.         ret = dialog.exec_()

  1135. 

  1136.         if dialog.fFavoritePluginsChanged:

  1137.             self.fFavoritePlugins = dialog.fFavoritePlugins

  1138. 

  1139.         if not ret:

  1140.             return

  1141. 

  1142.         if not self.host.is_engine_running():

  1143.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1144.             return

  1145. 

  1146.         btype    = dialog.fRetPlugin['build']

  1147.         ptype    = dialog.fRetPlugin['type']

  1148.         filename = dialog.fRetPlugin['filename']

  1149.         label    = dialog.fRetPlugin['label']

  1150.         uniqueId = dialog.fRetPlugin['uniqueId']

  1151.         extraPtr = self.getExtraPtr(dialog.fRetPlugin)

  1152. 

  1153.         return (btype, ptype, filename, label, uniqueId, extraPtr)

  1154. 

  1155.     def showAddJackAppDialog(self):

  1156.         dialog = JackApplicationW(self.fParentOrSelf, self.fProjectFilename)

  1157. 

  1158.         if not dialog.exec_():

  1159.             return

  1160. 

  1161.         if not self.host.is_engine_running():

  1162.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1163.             return

  1164. 

  1165.         return dialog.getCommandAndFlags()

  1166. 

  1167.     @pyqtSlot()

  1168.     def slot_favoritePluginAdd(self):

  1169.         plugin = self.sender().data()

  1170. 

  1171.         if plugin is None:

  1172.             return

  1173. 

  1174.         if not self.host.add_plugin(plugin['build'], plugin['type'], plugin['filename'], None,

  1175.                                     plugin['label'], plugin['uniqueId'], None, PLUGIN_OPTIONS_NULL):

  1176.             CustomMessageBox(self,

  1177.                              QMessageBox.Critical,

  1178.                              self.tr("Error"),

  1179.                              self.tr("Failed to load plugin"),

  1180.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1181. 

  1182.     @pyqtSlot()

  1183.     def slot_showPluginActionsMenu(self):

  1184.         menu = QMenu(self)

  1185. 

  1186.         menu.addSection("Plugins")

  1187.         menu.addAction(self.ui.act_plugin_add)

  1188. 

  1189.         if len(self.fFavoritePlugins) != 0:

  1190.             fmenu = QMenu("Add from favorites", self)

  1191.             for p in self.fFavoritePlugins:

  1192.                 act = fmenu.addAction(p['name'])

  1193.                 act.setData(p)

  1194.                 act.triggered.connect(self.slot_favoritePluginAdd)

  1195.             menu.addMenu(fmenu)

  1196. 

  1197.         menu.addAction(self.ui.act_plugin_remove_all)

  1198. 

  1199.         menu.addSection("All plugins (macros)")

  1200.         menu.addAction(self.ui.act_plugins_enable)

  1201.         menu.addAction(self.ui.act_plugins_disable)

  1202.         menu.addSeparator()

  1203.         menu.addAction(self.ui.act_plugins_volume100)

  1204.         menu.addAction(self.ui.act_plugins_mute)

  1205.         menu.addSeparator()

  1206.         menu.addAction(self.ui.act_plugins_wet100)

  1207.         menu.addAction(self.ui.act_plugins_bypass)

  1208.         menu.addSeparator()

  1209.         menu.addAction(self.ui.act_plugins_center)

  1210.         menu.addSeparator()

  1211.         menu.addAction(self.ui.act_plugins_compact)

  1212.         menu.addAction(self.ui.act_plugins_expand)

  1213. 

  1214.         menu.exec_(QCursor.pos())

  1215. 

  1216.     @pyqtSlot()

  1217.     def slot_pluginAdd(self):

  1218.         data = self.showAddPluginDialog()

  1219. 

  1220.         if data is None:

  1221.             return

  1222. 

  1223.         btype, ptype, filename, label, uniqueId, extraPtr = data

  1224. 

  1225.         if not self.host.add_plugin(btype, ptype, filename, None, label, uniqueId, extraPtr, PLUGIN_OPTIONS_NULL):

  1226.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1227.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1228. 

  1229.     @pyqtSlot()

  1230.     def slot_confirmRemoveAll(self):

  1231.         if self.fPluginCount == 0:

  1232.             return

  1233. 

  1234.         if QMessageBox.question(self, self.tr("Remove All"),

  1235.                                       self.tr("Are you sure you want to remove all plugins?"),

  1236.                                       QMessageBox.Yes|QMessageBox.No) == QMessageBox.No:

  1237.             return

  1238. 

  1239.         self.pluginRemoveAll()

  1240. 

  1241.     def pluginRemoveAll(self):

  1242.         if self.fPluginCount == 0:

  1243.             return

  1244. 

  1245.         self.fCurrentlyRemovingAllPlugins = True

  1246.         self.projectLoadingStarted()

  1247. 

  1248.         if not self.host.remove_all_plugins():

  1249.             self.projectLoadingFinished()

  1250.             self.fCurrentlyRemovingAllPlugins = False

  1251.             CustomMessageBox(self, QMessageBox.Warning, self.tr("Error"), self.tr("Operation failed"),

  1252.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1253. 

  1254.     @pyqtSlot()

  1255.     def slot_jackAppAdd(self):

  1256.         data = self.showAddJackAppDialog()

  1257. 

  1258.         if data is None:

  1259.             return

  1260. 

  1261.         filename, name, label = data

  1262. 

  1263.         if not filename:

  1264.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Cannot add jack application"),

  1265.                                    self.tr("command is empty"), QMessageBox.Ok, QMessageBox.Ok)

  1266.             return

  1267. 

  1268.         if not self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, filename, name, label, 0, None, PLUGIN_OPTIONS_NULL):

  1269.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1270.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1271. 

  1272.     # --------------------------------------------------------------------------------------------------------

  1273.     # Plugins (macros)

  1274. 

  1275.     @pyqtSlot()

  1276.     def slot_pluginsEnable(self):

  1277.         if not self.host.is_engine_running():

  1278.             return

  1279. 

  1280.         for pitem in self.fPluginList:

  1281.             if pitem is None:

  1282.                 break

  1283. 

  1284.             pitem.getWidget().setActive(True, True, True)

  1285. 

  1286.     @pyqtSlot()

  1287.     def slot_pluginsDisable(self):

  1288.         if not self.host.is_engine_running():

  1289.             return

  1290. 

  1291.         for pitem in self.fPluginList:

  1292.             if pitem is None:

  1293.                 break

  1294. 

  1295.             pitem.getWidget().setActive(False, True, True)

  1296. 

  1297.     @pyqtSlot()

  1298.     def slot_pluginsVolume100(self):

  1299.         if not self.host.is_engine_running():

  1300.             return

  1301. 

  1302.         for pitem in self.fPluginList:

  1303.             if pitem is None:

  1304.                 break

  1305. 

  1306.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 1.0)

  1307. 

  1308.     @pyqtSlot()

  1309.     def slot_pluginsMute(self):

  1310.         if not self.host.is_engine_running():

  1311.             return

  1312. 

  1313.         for pitem in self.fPluginList:

  1314.             if pitem is None:

  1315.                 break

  1316. 

  1317.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 0.0)

  1318. 

  1319.     @pyqtSlot()

  1320.     def slot_pluginsWet100(self):

  1321.         if not self.host.is_engine_running():

  1322.             return

  1323. 

  1324.         for pitem in self.fPluginList:

  1325.             if pitem is None:

  1326.                 break

  1327. 

  1328.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 1.0)

  1329. 

  1330.     @pyqtSlot()

  1331.     def slot_pluginsBypass(self):

  1332.         if not self.host.is_engine_running():

  1333.             return

  1334. 

  1335.         for pitem in self.fPluginList:

  1336.             if pitem is None:

  1337.                 break

  1338. 

  1339.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 0.0)

  1340. 

  1341.     @pyqtSlot()

  1342.     def slot_pluginsCenter(self):

  1343.         if not self.host.is_engine_running():

  1344.             return

  1345. 

  1346.         for pitem in self.fPluginList:

  1347.             if pitem is None:

  1348.                 break

  1349. 

  1350.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1351.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1352.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1353. 

  1354.     @pyqtSlot()

  1355.     def slot_pluginsCompact(self):

  1356.         for pitem in self.fPluginList:

  1357.             if pitem is None:

  1358.                 break

  1359.             pitem.compact()

  1360. 

  1361.     @pyqtSlot()

  1362.     def slot_pluginsExpand(self):

  1363.         for pitem in self.fPluginList:

  1364.             if pitem is None:

  1365.                 break

  1366.             pitem.expand()

  1367. 

  1368.     # --------------------------------------------------------------------------------------------------------

  1369.     # Plugins (host callbacks)

  1370. 

  1371.     @pyqtSlot(int, str)

  1372.     def slot_handlePluginAddedCallback(self, pluginId, pluginName):

  1373.         if pluginId != self.fPluginCount:

  1374.             print("ERROR: pluginAdded mismatch Id:", pluginId, self.fPluginCount)

  1375.             pitem = self.getPluginItem(pluginId)

  1376.             pitem.recreateWidget()

  1377.             return

  1378. 

  1379.         pitem = self.ui.listWidget.createItem(pluginId)

  1380.         self.fPluginList.append(pitem)

  1381.         self.fPluginCount += 1

  1382. 

  1383.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1384. 

  1385.     @pyqtSlot(int)

  1386.     def slot_handlePluginRemovedCallback(self, pluginId):

  1387.         patchcanvas.handlePluginRemoved(pluginId)

  1388. 

  1389.         if pluginId in self.fSelectedPlugins:

  1390.             self.clearSideStuff()

  1391. 

  1392.         if self.fPluginCount == 0:

  1393.             return

  1394. 

  1395.         pitem = self.getPluginItem(pluginId)

  1396. 

  1397.         self.fPluginCount -= 1

  1398.         self.fPluginList.pop(pluginId)

  1399.         self.ui.listWidget.takeItem(pluginId)

  1400. 

  1401.         if pitem is not None:

  1402.             pitem.close()

  1403.             del pitem

  1404. 

  1405.         if self.fPluginCount == 0:

  1406.             self.ui.act_plugin_remove_all.setEnabled(False)

  1407.             if self.fCurrentlyRemovingAllPlugins:

  1408.                 self.fCurrentlyRemovingAllPlugins = False

  1409.                 self.projectLoadingFinished()

  1410.             return

  1411. 

  1412.         # push all plugins 1 slot back

  1413.         for i in range(pluginId, self.fPluginCount):

  1414.             pitem = self.fPluginList[i]

  1415.             pitem.setPluginId(i)

  1416. 

  1417.         self.ui.act_plugin_remove_all.setEnabled(True)

  1418. 

  1419.     # --------------------------------------------------------------------------------------------------------

  1420.     # Canvas

  1421. 

  1422.     def clearSideStuff(self):

  1423.         if self.fWithCanvas:

  1424.             self.scene.clearSelection()

  1425. 

  1426.         self.fSelectedPlugins = []

  1427. 

  1428.         self.ui.keyboard.allNotesOff(False)

  1429.         self.ui.scrollArea.setEnabled(False)

  1430. 

  1431.         self.fPeaksCleared = True

  1432.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1433.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1434.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1435.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1436. 

  1437.     def setupCanvas(self):

  1438.         pOptions = patchcanvas.options_t()

  1439.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1440.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1441.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1442.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1443.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1444.         pOptions.inline_displays   = self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS]

  1445. 

  1446.         if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY]:

  1447.             pOptions.eyecandy = patchcanvas.EYECANDY_FULL

  1448.         elif self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]:

  1449.             pOptions.eyecandy = patchcanvas.EYECANDY_SMALL

  1450.         else:

  1451.             pOptions.eyecandy = patchcanvas.EYECANDY_NONE

  1452. 

  1453.         pFeatures = patchcanvas.features_t()

  1454.         pFeatures.group_info   = False

  1455.         pFeatures.group_rename = False

  1456.         pFeatures.port_info    = False

  1457.         pFeatures.port_rename  = False

  1458.         pFeatures.handle_group_pos = False

  1459. 

  1460.         patchcanvas.setOptions(pOptions)

  1461.         patchcanvas.setFeatures(pFeatures)

  1462.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1463. 

  1464.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1465. 

  1466.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1467.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1468.             self.fCanvasHeight = int(tryCanvasSize[1])

  1469.         else:

  1470.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1471.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1472. 

  1473.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1474.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1475.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1476. 

  1477.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1478.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1479. 

  1480.         if self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] != patchcanvas.ANTIALIASING_NONE:

  1481.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, True)

  1482. 

  1483.             fullAA = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] == patchcanvas.ANTIALIASING_FULL

  1484.             self.ui.graphicsView.setRenderHint(QPainter.SmoothPixmapTransform, fullAA)

  1485.             self.ui.graphicsView.setRenderHint(QPainter.TextAntialiasing, fullAA)

  1486. 

  1487.             if self.fSavedSettings[CARLA_KEY_CANVAS_USE_OPENGL] and hasGL:

  1488.                 self.ui.graphicsView.setRenderHint(QPainter.HighQualityAntialiasing, self.fSavedSettings[CARLA_KEY_CANVAS_HQ_ANTIALIASING])

  1489. 

  1490.         else:

  1491.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, False)

  1492. 

  1493.         if self.fSavedSettings[CARLA_KEY_CANVAS_FULL_REPAINTS]:

  1494.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.FullViewportUpdate)

  1495.         else:

  1496.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.MinimalViewportUpdate)

  1497. 

  1498.     def updateCanvasInitialPos(self):

  1499.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1500.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1501.         patchcanvas.setInitialPos(x, y)

  1502. 

  1503.     def updateMiniCanvasLater(self):

  1504.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1505. 

  1506.     # --------------------------------------------------------------------------------------------------------

  1507.     # Canvas (menu actions)

  1508. 

  1509.     @pyqtSlot()

  1510.     def slot_canvasShowInternal(self):

  1511.         self.fExternalPatchbay = False

  1512.         self.ui.act_canvas_show_internal.blockSignals(True)

  1513.         self.ui.act_canvas_show_external.blockSignals(True)

  1514.         self.ui.act_canvas_show_internal.setChecked(True)

  1515.         self.ui.act_canvas_show_external.setChecked(False)

  1516.         self.ui.act_canvas_show_internal.blockSignals(False)

  1517.         self.ui.act_canvas_show_external.blockSignals(False)

  1518.         self.slot_canvasRefresh()

  1519. 

  1520.     @pyqtSlot()

  1521.     def slot_canvasShowExternal(self):

  1522.         self.fExternalPatchbay = True

  1523.         self.ui.act_canvas_show_internal.blockSignals(True)

  1524.         self.ui.act_canvas_show_external.blockSignals(True)

  1525.         self.ui.act_canvas_show_internal.setChecked(False)

  1526.         self.ui.act_canvas_show_external.setChecked(True)

  1527.         self.ui.act_canvas_show_internal.blockSignals(False)

  1528.         self.ui.act_canvas_show_external.blockSignals(False)

  1529.         self.slot_canvasRefresh()

  1530. 

  1531.     @pyqtSlot()

  1532.     def slot_canvasArrange(self):

  1533.         patchcanvas.arrange()

  1534. 

  1535.     @pyqtSlot()

  1536.     def slot_canvasRefresh(self):

  1537.         patchcanvas.clear()

  1538. 

  1539.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1540.             return

  1541. 

  1542.         if self.host.is_engine_running():

  1543.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1544. 

  1545.         self.updateMiniCanvasLater()

  1546. 

  1547.     @pyqtSlot()

  1548.     def slot_canvasZoomFit(self):

  1549.         self.scene.zoom_fit()

  1550. 

  1551.     @pyqtSlot()

  1552.     def slot_canvasZoomIn(self):

  1553.         self.scene.zoom_in()

  1554. 

  1555.     @pyqtSlot()

  1556.     def slot_canvasZoomOut(self):

  1557.         self.scene.zoom_out()

  1558. 

  1559.     @pyqtSlot()

  1560.     def slot_canvasZoomReset(self):

  1561.         self.scene.zoom_reset()

  1562. 

  1563.     @pyqtSlot()

  1564.     def slot_canvasSaveImage(self):

  1565.         if self.fProjectFilename:

  1566.             dir = QFileInfo(self.fProjectFilename).absoluteDir().absolutePath()

  1567.         else:

  1568.             dir = self.fSavedSettings[CARLA_KEY_MAIN_PROJECT_FOLDER]

  1569. 

  1570.         fileDialog = QFileDialog(self)

  1571.         fileDialog.setAcceptMode(QFileDialog.AcceptSave)

  1572.         fileDialog.setDirectory(dir)

  1573.         fileDialog.setFileMode(QFileDialog.AnyFile)

  1574.         fileDialog.setMimeTypeFilters(("image/png", "image/jpeg"))

  1575.         fileDialog.setNameFilter(self.tr("Images (*.png *.jpg)"))

  1576.         fileDialog.setOptions(QFileDialog.DontUseCustomDirectoryIcons)

  1577.         fileDialog.setWindowTitle(self.tr("Save Image"))

  1578. 

  1579.         ok = fileDialog.exec_()

  1580. 

  1581.         if not ok:

  1582.             return

  1583. 

  1584.         newPath = fileDialog.selectedFiles()

  1585. 

  1586.         if len(newPath) != 1:

  1587.             return

  1588. 

  1589.         newPath = newPath[0]

  1590. 

  1591.         if QT_VERSION >= 0x50900:

  1592.             if fileDialog.selectedMimeTypeFilter() == "image/jpeg":

  1593.                 imgFormat = b"JPG"

  1594.             else:

  1595.                 imgFormat = b"PNG"

  1596.         else:

  1597.             if newPath.lower().endswith((".jpg", ".jpeg")):

  1598.                 imgFormat = b"JPG"

  1599.             else:

  1600.                 imgFormat = b"PNG"

  1601. 

  1602.         sender = self.sender()

  1603.         if sender == self.ui.act_canvas_save_image_2x:

  1604.             zoom = 2.0

  1605.         elif sender == self.ui.act_canvas_save_image_4x:

  1606.             zoom = 4.0

  1607.         else:

  1608.             zoom = 1.0

  1609. 

  1610.         image   = QImage(self.scene.width()*zoom, self.scene.height()*zoom, QImage.Format_RGB32)

  1611.         painter = QPainter(image)

  1612.         painter.save()

  1613.         painter.setRenderHints(painter.renderHints() | QPainter.Antialiasing | QPainter.TextAntialiasing)

  1614.         self.scene.clearSelection()

  1615.         self.scene.render(painter)

  1616.         painter.restore()

  1617.         del painter

  1618. 

  1619.         iw = QImageWriter(newPath)

  1620.         iw.setFormat(imgFormat)

  1621.         iw.setCompression(-1)

  1622. 

  1623.         if QT_VERSION >= 0x50500:

  1624.             iw.setOptimizedWrite(True)

  1625. 

  1626.         iw.write(image)

  1627. 

  1628.     @pyqtSlot()

  1629.     def slot_canvasCopyToClipboard(self):

  1630.         image   = QImage(self.scene.width(), self.scene.height(), QImage.Format_RGB32)

  1631.         painter = QPainter(image)

  1632.         painter.save()

  1633.         painter.setRenderHints(painter.renderHints() | QPainter.Antialiasing | QPainter.TextAntialiasing)

  1634.         self.scene.clearSelection()

  1635.         self.scene.render(painter)

  1636.         painter.restore()

  1637.         del painter

  1638. 

  1639.         QApplication.clipboard().setImage(image)

  1640. 

  1641.     # --------------------------------------------------------------------------------------------------------

  1642.     # Canvas (canvas callbacks)

  1643. 

  1644.     @pyqtSlot()

  1645.     def slot_canvasSelectionChanged(self):

  1646.         self.updateMiniCanvasLater()

  1647. 

  1648.     @pyqtSlot(float)

  1649.     def slot_canvasScaleChanged(self, scale):

  1650.         self.ui.miniCanvasPreview.setViewScale(scale)

  1651. 

  1652.     @pyqtSlot(list)

  1653.     def slot_canvasPluginSelected(self, pluginList):

  1654.         self.ui.keyboard.allNotesOff(False)

  1655.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1656.         self.fSelectedPlugins = pluginList

  1657. 

  1658.     # --------------------------------------------------------------------------------------------------------

  1659.     # Canvas (host callbacks)

  1660. 

  1661.     @pyqtSlot(int, int, int, str)

  1662.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1663.         pcSplit = patchcanvas.SPLIT_UNDEF

  1664.         pcIcon  = patchcanvas.ICON_APPLICATION

  1665. 

  1666.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1667.             pcIcon = patchcanvas.ICON_PLUGIN

  1668.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1669.             pcIcon = patchcanvas.ICON_HARDWARE

  1670.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1671.             pass

  1672.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1673.             pcIcon = patchcanvas.ICON_DISTRHO

  1674.         elif clientIcon == PATCHBAY_ICON_FILE:

  1675.             pcIcon = patchcanvas.ICON_FILE

  1676. 

  1677.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1678. 

  1679.         self.updateMiniCanvasLater()

  1680. 

  1681.         if pluginId < 0:

  1682.             return

  1683.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1684.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1685.             return

  1686. 

  1687.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1688.             hasCustomUI = False

  1689.             hasInlineDisplay = False

  1690.         else:

  1691.             hints = self.host.get_plugin_info(pluginId)['hints']

  1692.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1693.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1694. 

  1695.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1696. 

  1697.     @pyqtSlot(int)

  1698.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1699.         patchcanvas.removeGroup(clientId)

  1700.         self.updateMiniCanvasLater()

  1701. 

  1702.     @pyqtSlot(int, str)

  1703.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1704.         patchcanvas.renameGroup(clientId, newClientName)

  1705.         self.updateMiniCanvasLater()

  1706. 

  1707.     @pyqtSlot(int, int, int)

  1708.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1709.         pcIcon = patchcanvas.ICON_APPLICATION

  1710. 

  1711.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1712.             pcIcon = patchcanvas.ICON_PLUGIN

  1713.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1714.             pcIcon = patchcanvas.ICON_HARDWARE

  1715.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1716.             pass

  1717.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1718.             pcIcon = patchcanvas.ICON_DISTRHO

  1719.         elif clientIcon == PATCHBAY_ICON_FILE:

  1720.             pcIcon = patchcanvas.ICON_FILE

  1721. 

  1722.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1723.         self.updateMiniCanvasLater()

  1724. 

  1725.         if pluginId < 0:

  1726.             return

  1727.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1728.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1729.             return

  1730. 

  1731.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1732.             hasCustomUI = False

  1733.             hasInlineDisplay = False

  1734.         else:

  1735.             hints = self.host.get_plugin_info(pluginId)['hints']

  1736.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1737.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1738. 

  1739.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1740. 

  1741.     @pyqtSlot(int, int, int, int, int)

  1742.     def slot_handlePatchbayClientPositionChangedCallback(self, clientId, x1, y1, x2, y2):

  1743.         patchcanvas.setGroupPosFull(clientId, x1, y1, x2, y2)

  1744.         self.updateMiniCanvasLater()

  1745. 

  1746.     @pyqtSlot(int, int, int, int, str)

  1747.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portGroupId, portName):

  1748.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1749.             portMode = patchcanvas.PORT_MODE_INPUT

  1750.         else:

  1751.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1752. 

  1753.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1754.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1755.             isAlternate = False

  1756.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1757.             portType    = patchcanvas.PORT_TYPE_PARAMETER

  1758.             isAlternate = False

  1759.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1760.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1761.             isAlternate = False

  1762.         else:

  1763.             portType    = patchcanvas.PORT_TYPE_NULL

  1764.             isAlternate = False

  1765. 

  1766.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1767.         self.updateMiniCanvasLater()

  1768. 

  1769.     @pyqtSlot(int, int)

  1770.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  1771.         patchcanvas.removePort(groupId, portId)

  1772.         self.updateMiniCanvasLater()

  1773. 

  1774.     @pyqtSlot(int, int, int, int, str)

  1775.     def slot_handlePatchbayPortChangedCallback(self, groupId, portId, portFlags, portGroupId, newPortName):

  1776.         patchcanvas.renamePort(groupId, portId, newPortName)

  1777.         self.updateMiniCanvasLater()

  1778. 

  1779.     @pyqtSlot(int, int, int, str)

  1780.     def slot_handlePatchbayPortGroupAddedCallback(self, groupId, portId, portGroupId, newPortName):

  1781.         # TODO

  1782.         pass

  1783. 

  1784.     @pyqtSlot(int, int)

  1785.     def slot_handlePatchbayPortGroupRemovedCallback(self, groupId, portId):

  1786.         # TODO

  1787.         pass

  1788. 

  1789.     @pyqtSlot(int, int, int, str)

  1790.     def slot_handlePatchbayPortGroupChangedCallback(self, groupId, portId, portGroupId, newPortName):

  1791.         # TODO

  1792.         pass

  1793. 

  1794.     @pyqtSlot(int, int, int, int, int)

  1795.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1796.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1797.         self.updateMiniCanvasLater()

  1798. 

  1799.     @pyqtSlot(int, int, int)

  1800.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1801.         patchcanvas.disconnectPorts(connectionId)

  1802.         self.updateMiniCanvasLater()

  1803. 

  1804.     # --------------------------------------------------------------------------------------------------------

  1805.     # Settings

  1806. 

  1807.     def saveSettings(self):

  1808.         settings = QSafeSettings()

  1809. 

  1810.         settings.setValue("Geometry", self.saveGeometry())

  1811.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  1812. 

  1813.         if not self.host.isControl:

  1814.             settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  1815. 

  1816.         diskFolders = []

  1817. 

  1818.         for i in range(self.ui.cb_disk.count()):

  1819.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1820. 

  1821.         settings.setValue("DiskFolders", diskFolders)

  1822.         settings.setValue("LastBPM", self.fLastTransportBPM)

  1823. 

  1824.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1825.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1826.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1827.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1828. 

  1829.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_MODE,  self.host.transportMode)

  1830.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, self.host.transportExtra)

  1831. 

  1832.         return settings

  1833. 

  1834.     def loadSettings(self, firstTime):

  1835.         settings = QSafeSettings()

  1836. 

  1837.         if firstTime:

  1838.             geometry = settings.value("Geometry", QByteArray(), QByteArray)

  1839.             if not geometry.isNull():

  1840.                 self.restoreGeometry(geometry)

  1841. 

  1842.             showToolbar = settings.value("ShowToolbar", True, bool)

  1843.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1844.             self.ui.toolBar.setEnabled(showToolbar)

  1845.             self.ui.toolBar.setVisible(showToolbar)

  1846. 

  1847.             #if settings.contains("SplitterState"):

  1848.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  1849.             #else:

  1850.                 #self.ui.splitter.setSizes([210, 99999])

  1851. 

  1852.             showSidePanel = settings.value("ShowSidePanel", True, bool) and not self.host.isControl

  1853.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  1854.             self.slot_showSidePanel(showSidePanel)

  1855. 

  1856.             diskFolders = settings.value("DiskFolders", [HOME], list)

  1857. 

  1858.             self.ui.cb_disk.setItemData(0, HOME)

  1859. 

  1860.             for i in range(len(diskFolders)):

  1861.                 if i == 0: continue

  1862.                 folder = diskFolders[i]

  1863.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1864. 

  1865.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, bool):

  1866.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1867. 

  1868.             showMeters = settings.value("ShowMeters", True, bool)

  1869.             self.ui.act_settings_show_meters.setChecked(showMeters)

  1870.             self.ui.peak_in.setVisible(showMeters)

  1871.             self.ui.peak_out.setVisible(showMeters)

  1872. 

  1873.             showKeyboard = settings.value("ShowKeyboard", True, bool)

  1874.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  1875.             self.ui.scrollArea.setVisible(showKeyboard)

  1876. 

  1877.             settingsDBf = QSafeSettings("falkTX", "CarlaDatabase2")

  1878.             self.fFavoritePlugins = settingsDBf.value("PluginDatabase/Favorites", [], list)

  1879. 

  1880.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  1881. 

  1882.         # TODO - complete this

  1883. 

  1884.         self.fSavedSettings = {

  1885.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      str),

  1886.             CARLA_KEY_MAIN_CONFIRM_EXIT:        settings.value(CARLA_KEY_MAIN_CONFIRM_EXIT,        CARLA_DEFAULT_MAIN_CONFIRM_EXIT,        bool),

  1887.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    int),

  1888.             CARLA_KEY_MAIN_EXPERIMENTAL:        settings.value(CARLA_KEY_MAIN_EXPERIMENTAL,        CARLA_DEFAULT_MAIN_EXPERIMENTAL,        bool),

  1889.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             str),

  1890.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              str),

  1891.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  bool),

  1892.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, bool),

  1893.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  bool),

  1894.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         bool),

  1895.             CARLA_KEY_CANVAS_FANCY_EYE_CANDY:   settings.value(CARLA_KEY_CANVAS_FANCY_EYE_CANDY,   CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY,   bool),

  1896.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        bool),

  1897.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      int),

  1898.             CARLA_KEY_CANVAS_HQ_ANTIALIASING:   settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   bool),

  1899.             CARLA_KEY_CANVAS_FULL_REPAINTS:     settings.value(CARLA_KEY_CANVAS_FULL_REPAINTS,     CARLA_DEFAULT_CANVAS_FULL_REPAINTS,     bool),

  1900.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   bool) and

  1901.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", str).lower() == "black"),

  1902.         }

  1903. 

  1904.         if not self.host.isControl:

  1905.             self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS] = settings.value(CARLA_KEY_CANVAS_INLINE_DISPLAYS, CARLA_DEFAULT_CANVAS_INLINE_DISPLAYS, bool)

  1906.         else:

  1907.             self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS] = False

  1908. 

  1909.         settings2 = QSafeSettings("falkTX", "Carla2")

  1910. 

  1911.         if self.host.experimental:

  1912.             visible = settings2.value(CARLA_KEY_EXPERIMENTAL_JACK_APPS, CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS, bool)

  1913.             self.ui.act_plugin_add_jack.setVisible(visible)

  1914.         else:

  1915.             self.ui.act_plugin_add_jack.setVisible(False)

  1916. 

  1917.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY] else 0

  1918. 

  1919.         setEngineSettings(self.host)

  1920.         self.restartTimersIfNeeded()

  1921. 

  1922.         return settings

  1923. 

  1924.     # --------------------------------------------------------------------------------------------------------

  1925.     # Settings (helpers)

  1926. 

  1927.     def enableTransport(self, enabled):

  1928.         self.ui.group_transport_controls.setEnabled(enabled)

  1929.         self.ui.group_transport_settings.setEnabled(enabled)

  1930. 

  1931.     @pyqtSlot()

  1932.     def slot_restoreCanvasScrollbarValues(self):

  1933.         settings = QSafeSettings()

  1934.         horiz = settings.value("HorizontalScrollBarValue", int(self.ui.graphicsView.horizontalScrollBar().maximum()/2), int)

  1935.         vertc = settings.value("VerticalScrollBarValue", int(self.ui.graphicsView.verticalScrollBar().maximum()/2), int)

  1936.         self.ui.graphicsView.horizontalScrollBar().setValue(horiz)

  1937.         self.ui.graphicsView.verticalScrollBar().setValue(vertc)

  1938. 

  1939.     # --------------------------------------------------------------------------------------------------------

  1940.     # Settings (menu actions)

  1941. 

  1942.     @pyqtSlot(bool)

  1943.     def slot_showSidePanel(self, yesNo):

  1944.         self.ui.dockWidget.setEnabled(yesNo)

  1945.         self.ui.dockWidget.setVisible(yesNo)

  1946. 

  1947.     @pyqtSlot(bool)

  1948.     def slot_showToolbar(self, yesNo):

  1949.         self.ui.toolBar.setEnabled(yesNo)

  1950.         self.ui.toolBar.setVisible(yesNo)

  1951. 

  1952.     @pyqtSlot(bool)

  1953.     def slot_showCanvasMeters(self, yesNo):

  1954.         self.ui.peak_in.setVisible(yesNo)

  1955.         self.ui.peak_out.setVisible(yesNo)

  1956.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1957. 

  1958.     @pyqtSlot(bool)

  1959.     def slot_showCanvasKeyboard(self, yesNo):

  1960.         self.ui.scrollArea.setVisible(yesNo)

  1961.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1962. 

  1963.     @pyqtSlot()

  1964.     def slot_configureCarla(self):

  1965.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  1966.         if not dialog.exec_():

  1967.             return

  1968. 

  1969.         self.loadSettings(False)

  1970. 

  1971.         if self.fWithCanvas:

  1972.             patchcanvas.clear()

  1973.             self.setupCanvas()

  1974.             self.slot_miniCanvasCheckAll()

  1975. 

  1976.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1977.             pass

  1978.         elif self.host.is_engine_running():

  1979.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1980. 

  1981.     # --------------------------------------------------------------------------------------------------------

  1982.     # About (menu actions)

  1983. 

  1984.     @pyqtSlot()

  1985.     def slot_aboutCarla(self):

  1986.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  1987. 

  1988.     @pyqtSlot()

  1989.     def slot_aboutJuce(self):

  1990.         JuceAboutW(self.fParentOrSelf).exec_()

  1991. 

  1992.     @pyqtSlot()

  1993.     def slot_aboutQt(self):

  1994.         QApplication.instance().aboutQt()

  1995. 

  1996.     # --------------------------------------------------------------------------------------------------------

  1997.     # Disk (menu actions)

  1998. 

  1999.     @pyqtSlot(int)

  2000.     def slot_diskFolderChanged(self, index):

  2001.         if index < 0:

  2002.             return

  2003.         elif index == 0:

  2004.             filename = HOME

  2005.             self.ui.b_disk_remove.setEnabled(False)

  2006.         else:

  2007.             filename = self.ui.cb_disk.itemData(index)

  2008.             self.ui.b_disk_remove.setEnabled(True)

  2009. 

  2010.         self.fDirModel.setRootPath(filename)

  2011.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  2012. 

  2013.     @pyqtSlot()

  2014.     def slot_diskFolderAdd(self):

  2015.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  2016. 

  2017.         if newPath:

  2018.             if newPath[-1] == os.sep:

  2019.                 newPath = newPath[:-1]

  2020.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  2021.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  2022.             self.ui.b_disk_remove.setEnabled(True)

  2023. 

  2024.     @pyqtSlot()

  2025.     def slot_diskFolderRemove(self):

  2026.         index = self.ui.cb_disk.currentIndex()

  2027. 

  2028.         if index <= 0:

  2029.             return

  2030. 

  2031.         self.ui.cb_disk.removeItem(index)

  2032. 

  2033.         if self.ui.cb_disk.currentIndex() == 0:

  2034.             self.ui.b_disk_remove.setEnabled(False)

  2035. 

  2036.     @pyqtSlot(QModelIndex)

  2037.     def slot_fileTreeDoubleClicked(self, modelIndex):

  2038.         filename = self.fDirModel.filePath(modelIndex)

  2039. 

  2040.         if not self.ui.listWidget.isDragUrlValid(filename):

  2041.             return

  2042. 

  2043.         if not self.host.load_file(filename):

  2044.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  2045.                              self.tr("Failed to load file"),

  2046.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2047. 

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

  2049.     # Transport

  2050. 

  2051.     def refreshTransport(self, forced = False):

  2052.         if not self.ui.l_transport_time.isVisible():

  2053.             return

  2054.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  2055.             return

  2056. 

  2057.         timeInfo = self.host.get_transport_info()

  2058.         playing  = timeInfo['playing']

  2059.         frame    = timeInfo['frame']

  2060.         bpm      = timeInfo['bpm']

  2061. 

  2062.         if playing != self.fLastTransportState or forced:

  2063.             if playing:

  2064.                 icon = QIcon(":/16x16/media-playback-pause.svgz")

  2065.                 self.ui.b_transport_play.setChecked(True)

  2066.                 self.ui.b_transport_play.setIcon(icon)

  2067.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  2068.             else:

  2069.                 icon = QIcon(":/16x16/media-playback-start.svgz")

  2070.                 self.ui.b_transport_play.setChecked(False)

  2071.                 self.ui.b_transport_play.setIcon(icon)

  2072.                 #self.ui.b_play.setText(self.tr("&Play"))

  2073. 

  2074.             self.fLastTransportState = playing

  2075. 

  2076.         if frame != self.fLastTransportFrame or forced:

  2077.             self.fLastTransportFrame = frame

  2078. 

  2079.             time = frame / self.fSampleRate

  2080.             secs =  time % 60

  2081.             mins = (time / 60) % 60

  2082.             hrs  = (time / 3600) % 60

  2083.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  2084. 

  2085.             frame1 =  frame % 1000

  2086.             frame2 = (frame / 1000) % 1000

  2087.             frame3 = (frame / 1000000) % 1000

  2088.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  2089. 

  2090.             bar  = timeInfo['bar']

  2091.             beat = timeInfo['beat']

  2092.             tick = timeInfo['tick']

  2093.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  2094. 

  2095.         if bpm != self.fLastTransportBPM or forced:

  2096.             self.fLastTransportBPM = bpm

  2097. 

  2098.             if bpm > 0.0:

  2099.                 self.ui.dsb_transport_bpm.blockSignals(True)

  2100.                 self.ui.dsb_transport_bpm.setValue(bpm)

  2101.                 self.ui.dsb_transport_bpm.blockSignals(False)

  2102.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  2103.             else:

  2104.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  2105. 

  2106.     # --------------------------------------------------------------------------------------------------------

  2107.     # Transport (menu actions)

  2108. 

  2109.     @pyqtSlot(bool)

  2110.     def slot_transportPlayPause(self, toggled):

  2111.         if self.host.isPlugin or not self.host.is_engine_running():

  2112.             return

  2113. 

  2114.         if toggled:

  2115.             self.host.transport_play()

  2116.         else:

  2117.             self.host.transport_pause()

  2118. 

  2119.         self.refreshTransport()

  2120. 

  2121.     @pyqtSlot()

  2122.     def slot_transportStop(self):

  2123.         if self.host.isPlugin or not self.host.is_engine_running():

  2124.             return

  2125. 

  2126.         self.host.transport_pause()

  2127.         self.host.transport_relocate(0)

  2128. 

  2129.         self.refreshTransport()

  2130. 

  2131.     @pyqtSlot()

  2132.     def slot_transportBackwards(self):

  2133.         if self.host.isPlugin or not self.host.is_engine_running():

  2134.             return

  2135. 

  2136.         newFrame = self.host.get_current_transport_frame() - 100000

  2137. 

  2138.         if newFrame < 0:

  2139.             newFrame = 0

  2140. 

  2141.         self.host.transport_relocate(newFrame)

  2142. 

  2143.     @pyqtSlot(float)

  2144.     def slot_transportBpmChanged(self, newValue):

  2145.         self.host.transport_bpm(newValue)

  2146. 

  2147.     @pyqtSlot()

  2148.     def slot_transportForwards(self):

  2149.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  2150.             return

  2151. 

  2152.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  2153.         self.host.transport_relocate(newFrame)

  2154. 

  2155.     @pyqtSlot(bool)

  2156.     def slot_transportJackEnabled(self, clicked):

  2157.         if not self.host.is_engine_running():

  2158.             return

  2159.         self.host.transportMode = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  2160.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  2161.                                     self.host.transportMode,

  2162.                                     self.host.transportExtra)

  2163. 

  2164.     @pyqtSlot(bool)

  2165.     def slot_transportLinkEnabled(self, clicked):

  2166.         if not self.host.is_engine_running():

  2167.             return

  2168.         extra = ":link:" if clicked else ""

  2169.         self.host.transportExtra = extra

  2170.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  2171.                                     self.host.transportMode,

  2172.                                     self.host.transportExtra)

  2173. 

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

  2175.     # Other

  2176. 

  2177.     @pyqtSlot(bool)

  2178.     def slot_xrunClear(self):

  2179.         self.host.clear_engine_xruns()

  2180. 

  2181.     # --------------------------------------------------------------------------------------------------------

  2182.     # Canvas scrollbars

  2183. 

  2184.     @pyqtSlot(int)

  2185.     def slot_horizontalScrollBarChanged(self, value):

  2186.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  2187.         if maximum == 0:

  2188.             xp = 0

  2189.         else:

  2190.             xp = float(value) / maximum

  2191.         self.ui.miniCanvasPreview.setViewPosX(xp)

  2192.         self.updateCanvasInitialPos()

  2193. 

  2194.     @pyqtSlot(int)

  2195.     def slot_verticalScrollBarChanged(self, value):

  2196.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  2197.         if maximum == 0:

  2198.             yp = 0

  2199.         else:

  2200.             yp = float(value) / maximum

  2201.         self.ui.miniCanvasPreview.setViewPosY(yp)

  2202.         self.updateCanvasInitialPos()

  2203. 

  2204.     # --------------------------------------------------------------------------------------------------------

  2205.     # Canvas keyboard

  2206. 

  2207.     @pyqtSlot(int)

  2208.     def slot_noteOn(self, note):

  2209.         for pluginId in self.fSelectedPlugins:

  2210.             self.host.send_midi_note(pluginId, 0, note, 100)

  2211. 

  2212.             pedit = self.getPluginEditDialog(pluginId)

  2213.             pedit.noteOn(0, note, 100)

  2214. 

  2215.     @pyqtSlot(int)

  2216.     def slot_noteOff(self, note):

  2217.         for pluginId in self.fSelectedPlugins:

  2218.             self.host.send_midi_note(pluginId, 0, note, 0)

  2219. 

  2220.             pedit = self.getPluginEditDialog(pluginId)

  2221.             pedit.noteOff(0, note)

  2222. 

  2223.     # --------------------------------------------------------------------------------------------------------

  2224.     # Canvas keyboard (host callbacks)

  2225. 

  2226.     @pyqtSlot(int, int, int, int)

  2227.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  2228.         if pluginId in self.fSelectedPlugins:

  2229.             self.ui.keyboard.sendNoteOn(note, False)

  2230. 

  2231.     @pyqtSlot(int, int, int)

  2232.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  2233.         if pluginId in self.fSelectedPlugins:

  2234.             self.ui.keyboard.sendNoteOff(note, False)

  2235. 

  2236.     # --------------------------------------------------------------------------------------------------------

  2237. 

  2238.     @pyqtSlot(int)

  2239.     def slot_handleUpdateCallback(self, pluginId):

  2240.         pitem = self.getPluginItem(pluginId)

  2241. 

  2242.         if pitem is None:

  2243.             return

  2244. 

  2245.         wasCompacted = pitem.isCompacted()

  2246.         isCompacted  = wasCompacted

  2247. 

  2248.         check = self.host.get_custom_data_value(pluginId, CUSTOM_DATA_TYPE_PROPERTY, "CarlaSkinIsCompacted")

  2249.         if not check:

  2250.             return

  2251.         isCompacted = bool(check == "true")

  2252. 

  2253.         if wasCompacted == isCompacted:

  2254.             return

  2255. 

  2256.         pitem.recreateWidget(True)

  2257. 

  2258.     # --------------------------------------------------------------------------------------------------------

  2259.     # MiniCanvas stuff

  2260. 

  2261.     @pyqtSlot()

  2262.     def slot_miniCanvasCheckAll(self):

  2263.         self.slot_miniCanvasCheckSize()

  2264.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  2265.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  2266. 

  2267.     @pyqtSlot()

  2268.     def slot_miniCanvasCheckSize(self):

  2269.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  2270.             return

  2271. 

  2272.         currentIndex = self.ui.tabWidget.currentIndex()

  2273. 

  2274.         if currentIndex == 1:

  2275.             width  = self.ui.graphicsView.width()

  2276.             height = self.ui.graphicsView.height()

  2277.         else:

  2278.             self.ui.tabWidget.blockSignals(True)

  2279.             self.ui.tabWidget.setCurrentIndex(1)

  2280.             width  = self.ui.graphicsView.width()

  2281.             height = self.ui.graphicsView.height()

  2282.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  2283.             self.ui.tabWidget.blockSignals(False)

  2284. 

  2285.         self.scene.updateLimits()

  2286. 

  2287.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  2288. 

  2289.     @pyqtSlot(float, float)

  2290.     def slot_miniCanvasMoved(self, xp, yp):

  2291.         hsb = self.ui.graphicsView.horizontalScrollBar()

  2292.         vsb = self.ui.graphicsView.verticalScrollBar()

  2293.         hsb.setValue(xp * hsb.maximum())

  2294.         vsb.setValue(yp * vsb.maximum())

  2295.         self.updateCanvasInitialPos()

  2296. 

  2297.     # --------------------------------------------------------------------------------------------------------

  2298.     # Logs autoscroll, save and clear

  2299. 

  2300.     @pyqtSlot(int)

  2301.     def slot_toggleLogAutoscroll(self, checkState):

  2302.         self.autoscrollOnNewLog = checkState == Qt.Checked

  2303.         if self.autoscrollOnNewLog:

  2304.             self.ui.text_logs.verticalScrollBar().setValue(self.ui.text_logs.verticalScrollBar().maximum())

  2305. 

  2306.     @pyqtSlot(int)

  2307.     def slot_logSliderMoved(self, slider_pos):

  2308.         if self.ui.text_logs.verticalScrollBar().hasTracking() or self.autoscrollOnNewLog:

  2309.             self.lastLogSliderPos = slider_pos

  2310.         else:

  2311.             self.ui.text_logs.verticalScrollBar().setValue(self.lastLogSliderPos)

  2312. 

  2313.     @pyqtSlot()

  2314.     def slot_logButtonsState(self, enabled=True):

  2315.         self.ui.logs_clear.setEnabled(enabled)

  2316.         self.ui.logs_save.setEnabled(enabled)

  2317. 

  2318.     @pyqtSlot()

  2319.     def slot_logSave(self):

  2320.         filename = os.path.join(self.fSavedSettings[CARLA_KEY_MAIN_PROJECT_FOLDER], 'carla_log.txt')

  2321.         filename, _ = QFileDialog.getSaveFileName(self, self.tr("Save Logs"), filename)

  2322. 

  2323.         if not filename:

  2324.             return

  2325. 

  2326.         try:

  2327.             with open(filename, "w") as logfile:

  2328.                 logfile.write(self.ui.text_logs.toPlainText())

  2329.                 logfile.close()

  2330.         except:

  2331.             return

  2332. 

  2333.     @pyqtSlot()

  2334.     def slot_logClear(self):

  2335.         self.ui.text_logs.clear()

  2336.         self.ui.text_logs.appendPlainText("======= Logs cleared ========")

  2337.         self.slot_logButtonsState(False)

  2338. 

  2339.     # --------------------------------------------------------------------------------------------------------

  2340.     # Timers

  2341. 

  2342.     def startTimers(self):

  2343.         if self.fIdleTimerFast == 0:

  2344.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2345. 

  2346.         if self.fIdleTimerSlow == 0:

  2347.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2348. 

  2349.     def restartTimersIfNeeded(self):

  2350.         if self.fIdleTimerFast != 0:

  2351.             self.killTimer(self.fIdleTimerFast)

  2352.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2353. 

  2354.         if self.fIdleTimerSlow != 0:

  2355.             self.killTimer(self.fIdleTimerSlow)

  2356.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2357. 

  2358.     def killTimers(self):

  2359.         if self.fIdleTimerFast != 0:

  2360.             self.killTimer(self.fIdleTimerFast)

  2361.             self.fIdleTimerFast = 0

  2362. 

  2363.         if self.fIdleTimerSlow != 0:

  2364.             self.killTimer(self.fIdleTimerSlow)

  2365.             self.fIdleTimerSlow = 0

  2366. 

  2367.     # --------------------------------------------------------------------------------------------------------

  2368.     # Misc

  2369. 

  2370.     @pyqtSlot(int)

  2371.     def slot_tabChanged(self, index):

  2372.         if index != 1:

  2373.             return

  2374. 

  2375.         self.ui.graphicsView.setFocus()

  2376. 

  2377.     @pyqtSlot(int)

  2378.     def slot_handleReloadAllCallback(self, pluginId):

  2379.         if pluginId >= self.fPluginCount:

  2380.             return

  2381. 

  2382.         pitem = self.fPluginList[pluginId]

  2383.         if pitem is None:

  2384.             return

  2385. 

  2386.         pitem.recreateWidget()

  2387. 

  2388.     # --------------------------------------------------------------------------------------------------------

  2389. 

  2390.     @pyqtSlot(int, int, str)

  2391.     def slot_handleNSMCallback(self, opcode, valueInt, valueStr):

  2392.         if opcode == NSM_CALLBACK_INIT:

  2393.             return

  2394. 

  2395.         # Error

  2396.         elif opcode == NSM_CALLBACK_ERROR:

  2397.             pass

  2398. 

  2399.         # Reply

  2400.         elif opcode == NSM_CALLBACK_ANNOUNCE:

  2401.             self.fFirstEngineInit    = False

  2402.             self.fSessionManagerName = valueStr

  2403.             self.setProperWindowTitle()

  2404. 

  2405.             # If NSM server does not support optional-gui, revert our initial assumptions that it does

  2406.             if (valueInt & (1 << 1)) == 0x0:

  2407.                 self.fWindowCloseHideGui = False

  2408.                 self.ui.act_file_quit.setText(self.tr("&Quit"))

  2409.                 QApplication.instance().setQuitOnLastWindowClosed(True)

  2410.                 self.show()

  2411. 

  2412.         # Open

  2413.         elif opcode == NSM_CALLBACK_OPEN:

  2414.             self.fClientName      = os.path.basename(valueStr)

  2415.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  2416.             self.setProperWindowTitle()

  2417. 

  2418.             self.fCustomStopAction = self.CUSTOM_ACTION_PROJECT_LOAD

  2419.             self.slot_engineStop(True)

  2420.             return

  2421. 

  2422.         # Save

  2423.         elif opcode == NSM_CALLBACK_SAVE:

  2424.             self.saveProjectNow()

  2425. 

  2426.         # Session is Loaded

  2427.         elif opcode == NSM_CALLBACK_SESSION_IS_LOADED:

  2428.             pass

  2429. 

  2430.         # Show Optional Gui

  2431.         elif opcode == NSM_CALLBACK_SHOW_OPTIONAL_GUI:

  2432.             self.show()

  2433. 

  2434.         # Hide Optional Gui

  2435.         elif opcode == NSM_CALLBACK_HIDE_OPTIONAL_GUI:

  2436.             self.hideForNSM()

  2437. 

  2438.         self.host.nsm_ready(opcode)

  2439. 

  2440.     # --------------------------------------------------------------------------------------------------------

  2441. 

  2442.     def fixLogText(self, text):

  2443.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  2444. 

  2445.     @pyqtSlot(int, int, int, int, float, str)

  2446.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valuef, valueStr):

  2447.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  2448. 

  2449.     @pyqtSlot(str)

  2450.     def slot_handleInfoCallback(self, info):

  2451.         QMessageBox.information(self, "Information", info)

  2452. 

  2453.     @pyqtSlot(str)

  2454.     def slot_handleErrorCallback(self, error):

  2455.         QMessageBox.critical(self, "Error", error)

  2456. 

  2457.     @pyqtSlot()

  2458.     def slot_handleQuitCallback(self):

  2459.         self.fIsProjectLoading = False

  2460.         self.killTimers()

  2461.         self.removeAllPlugins()

  2462.         self.projectLoadingFinished()

  2463. 

  2464.     @pyqtSlot(int)

  2465.     def slot_handleInlineDisplayRedrawCallback(self, pluginId):

  2466.         # FIXME

  2467.         if self.fIdleTimerSlow != 0 and self.fIdleTimerFast != 0 and pluginId < self.fPluginCount and not self.fIsProjectLoading:

  2468.             patchcanvas.redrawPluginGroup(pluginId)

  2469. 

  2470.     # --------------------------------------------------------------------------------------------------------

  2471. 

  2472.     @pyqtSlot()

  2473.     def slot_handleSIGUSR1(self):

  2474.         print("Got SIGUSR1 -> Saving project now")

  2475.         self.slot_fileSave()

  2476. 

  2477.     @pyqtSlot()

  2478.     def slot_handleSIGTERM(self):

  2479.         print("Got SIGTERM -> Closing now")

  2480.         self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2481.         self.close()

  2482. 

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

  2484.     # Internal stuff

  2485. 

  2486.     def getExtraPtr(self, plugin):

  2487.         ptype = plugin['type']

  2488. 

  2489.         if ptype == PLUGIN_LADSPA:

  2490.             uniqueId = plugin['uniqueId']

  2491. 

  2492.             self.maybeLoadRDFs()

  2493. 

  2494.             for rdfItem in self.fLadspaRdfList:

  2495.                 if rdfItem.UniqueID == uniqueId:

  2496.                     return pointer(rdfItem)

  2497. 

  2498.         elif ptype == PLUGIN_SF2:

  2499.             if plugin['name'].lower().endswith(" (16 outputs)"):

  2500.                 return self._true

  2501. 

  2502.         return None

  2503. 

  2504.     def maybeLoadRDFs(self):

  2505.         if not self.fLadspaRdfNeedsUpdate:

  2506.             return

  2507. 

  2508.         self.fLadspaRdfNeedsUpdate = False

  2509.         self.fLadspaRdfList = []

  2510. 

  2511.         if not haveLRDF:

  2512.             return

  2513. 

  2514.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  2515.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  2516. 

  2517.         if os.path.exists(frLadspaFile):

  2518.             frLadspa = open(frLadspaFile, 'r')

  2519. 

  2520.             try:

  2521.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  2522.             except:

  2523.                 pass

  2524. 

  2525.             frLadspa.close()

  2526. 

  2527.     # --------------------------------------------------------------------------------------------------------

  2528. 

  2529.     def getPluginCount(self):

  2530.         return self.fPluginCount

  2531. 

  2532.     def getPluginItem(self, pluginId):

  2533.         if pluginId >= self.fPluginCount:

  2534.             return None

  2535. 

  2536.         pitem = self.fPluginList[pluginId]

  2537.         if pitem is None:

  2538.             return None

  2539.         #if False:

  2540.             #return CarlaRackItem(self, 0, False)

  2541. 

  2542.         return pitem

  2543. 

  2544.     def getPluginEditDialog(self, pluginId):

  2545.         if pluginId >= self.fPluginCount:

  2546.             return None

  2547. 

  2548.         pitem = self.fPluginList[pluginId]

  2549.         if pitem is None:

  2550.             return None

  2551.         if False:

  2552.             return PluginEdit(self, self.host, 0)

  2553. 

  2554.         return pitem.getEditDialog()

  2555. 

  2556.     def getPluginSlotWidget(self, pluginId):

  2557.         if pluginId >= self.fPluginCount:

  2558.             return None

  2559. 

  2560.         pitem = self.fPluginList[pluginId]

  2561.         if pitem is None:

  2562.             return None

  2563.         #if False:

  2564.             #return AbstractPluginSlot()

  2565. 

  2566.         return pitem.getWidget()

  2567. 

  2568.     # --------------------------------------------------------------------------------------------------------

  2569. 

  2570.     def waitForPendingEvents(self):

  2571.         pass

  2572. 

  2573.     # --------------------------------------------------------------------------------------------------------

  2574.     # show/hide event

  2575. 

  2576.     def showEvent(self, event):

  2577.         self.getAndRefreshRuntimeInfo()

  2578.         self.refreshTransport(True)

  2579.         QMainWindow.showEvent(self, event)

  2580. 

  2581.         if QT_VERSION >= 0x50600:

  2582.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_UI_SCALE, int(self.devicePixelRatioF() * 1000), "")

  2583.             print("Frontend pixel ratio is", self.devicePixelRatioF())

  2584. 

  2585.         # set our gui as parent for all plugins UIs

  2586.         if self.host.manageUIs and not self.host.isControl:

  2587.             if MACOS:

  2588.                 nsViewPtr = int(self.winId())

  2589.                 winIdStr  = "%x" % gCarla.utils.cocoa_get_window(nsViewPtr)

  2590.             else:

  2591.                 winIdStr = "%x" % int(self.winId())

  2592.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2593. 

  2594.     def hideEvent(self, event):

  2595.         # disable parent

  2596.         if not self.host.isControl:

  2597.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2598. 

  2599.         QMainWindow.hideEvent(self, event)

  2600. 

  2601.     # --------------------------------------------------------------------------------------------------------

  2602.     # resize event

  2603. 

  2604.     def resizeEvent(self, event):

  2605.         QMainWindow.resizeEvent(self, event)

  2606. 

  2607.         if self.fWithCanvas:

  2608.             self.slot_miniCanvasCheckSize()

  2609. 

  2610.     # --------------------------------------------------------------------------------------------------------

  2611.     # timer event

  2612. 

  2613.     def refreshRuntimeInfo(self, load, xruns):

  2614.         txt1 = str(xruns) if (xruns >= 0) else "--"

  2615.         txt2 = "" if (xruns == 1) else "s"

  2616.         self.ui.b_xruns.setText("%s Xrun%s" % (txt1, txt2))

  2617.         self.ui.pb_dsp_load.setValue(int(load))

  2618. 

  2619.     def getAndRefreshRuntimeInfo(self):

  2620.         if not self.ui.pb_dsp_load.isVisible():

  2621.             return

  2622.         if not self.host.is_engine_running():

  2623.             return

  2624.         info = self.host.get_runtime_engine_info()

  2625.         self.refreshRuntimeInfo(info['load'], info['xruns'])

  2626. 

  2627.     def idleFast(self):

  2628.         self.host.engine_idle()

  2629.         self.refreshTransport()

  2630. 

  2631.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2632.             return

  2633. 

  2634.         for pitem in self.fPluginList:

  2635.             if pitem is None:

  2636.                 break

  2637. 

  2638.             pitem.getWidget().idleFast()

  2639. 

  2640.         for pluginId in self.fSelectedPlugins:

  2641.             self.fPeaksCleared = False

  2642.             if self.ui.peak_in.isVisible():

  2643.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2644.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2645.             if self.ui.peak_out.isVisible():

  2646.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2647.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2648.             return

  2649. 

  2650.         if self.fPeaksCleared:

  2651.             return

  2652. 

  2653.         self.fPeaksCleared = True

  2654.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2655.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2656.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2657.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2658. 

  2659.     def idleSlow(self):

  2660.         self.getAndRefreshRuntimeInfo()

  2661. 

  2662.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2663.             return

  2664. 

  2665.         for pitem in self.fPluginList:

  2666.             if pitem is None:

  2667.                 break

  2668. 

  2669.             pitem.getWidget().idleSlow()

  2670. 

  2671.     def timerEvent(self, event):

  2672.         if event.timerId() == self.fIdleTimerFast:

  2673.             self.idleFast()

  2674. 

  2675.         elif event.timerId() == self.fIdleTimerSlow:

  2676.             self.idleSlow()

  2677. 

  2678.         QMainWindow.timerEvent(self, event)

  2679. 

  2680.     # --------------------------------------------------------------------------------------------------------

  2681.     # color/style change event

  2682. 

  2683.     def changeEvent(self, event):

  2684.         if event.type() in (QEvent.PaletteChange, QEvent.StyleChange):

  2685.             self.updateStyle()

  2686.         QMainWindow.changeEvent(self, event)

  2687. 

  2688.     def updateStyle(self):

  2689.         # Rack padding images setup

  2690.         rack_imgL = QImage(":/bitmaps/rack_padding_left.png")

  2691.         rack_imgR = QImage(":/bitmaps/rack_padding_right.png")

  2692. 

  2693.         min_value = 0.07

  2694. 

  2695.         if PYQT_VERSION >= 0x50600:

  2696.             value_fix = 1.0/(1.0-rack_imgL.scaled(1, 1, Qt.IgnoreAspectRatio, Qt.SmoothTransformation).pixelColor(0,0).blackF())

  2697.         else:

  2698.             value_fix = 1.5

  2699. 

  2700.         rack_pal = self.ui.rack.palette()

  2701.         bg_color = rack_pal.window().color()

  2702.         fg_color = rack_pal.text().color()

  2703.         bg_value = 1.0 - bg_color.blackF()

  2704.         if bg_value != 0.0 and bg_value < min_value:

  2705.             pad_color = bg_color.lighter(100*min_value/bg_value*value_fix)

  2706.         else:

  2707.             pad_color = QColor.fromHsvF(0.0, 0.0, min_value*value_fix)

  2708. 

  2709.         painter = QPainter()

  2710.         fillRect = rack_imgL.rect().adjusted(-1,-1,1,1)

  2711. 

  2712.         painter.begin(rack_imgL)

  2713.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2714.         painter.setBrush(pad_color)

  2715.         painter.drawRect(fillRect)

  2716.         painter.end()

  2717.         rack_pixmapL = QPixmap(rack_imgL)

  2718.         self.imgL_palette = QPalette()

  2719.         self.imgL_palette.setBrush(QPalette.Window, QBrush(rack_pixmapL))

  2720.         self.ui.pad_left.setPalette(self.imgL_palette)

  2721.         self.ui.pad_left.setAutoFillBackground(True)

  2722. 

  2723.         painter.begin(rack_imgR)

  2724.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2725.         painter.setBrush(pad_color)

  2726.         painter.drawRect(fillRect)

  2727.         painter.end()

  2728.         rack_pixmapR = QPixmap(rack_imgR)

  2729.         self.imgR_palette = QPalette()

  2730.         self.imgR_palette.setBrush(QPalette.Window, QBrush(rack_pixmapR))

  2731.         self.ui.pad_right.setPalette(self.imgR_palette)

  2732.         self.ui.pad_right.setAutoFillBackground(True)

  2733. 

  2734.         # qt's rgba is actually argb, so convert that

  2735.         bg_color_value = bg_color.rgba()

  2736.         bg_color_value = ((bg_color_value & 0xffffff) << 8) | (bg_color_value >> 24)

  2737. 

  2738.         fg_color_value = fg_color.rgba()

  2739.         fg_color_value = ((fg_color_value & 0xffffff) << 8) | (fg_color_value >> 24)

  2740. 

  2741.         self.host.set_engine_option(ENGINE_OPTION_FRONTEND_BACKGROUND_COLOR, bg_color_value, "")

  2742.         self.host.set_engine_option(ENGINE_OPTION_FRONTEND_FOREGROUND_COLOR, fg_color_value, "")

  2743. 

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

  2745.     # paint event

  2746. 

  2747.     #def paintEvent(self, event):

  2748.         #QMainWindow.paintEvent(self, event)

  2749. 

  2750.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2751.             #return

  2752. 

  2753.         #painter = QPainter(self)

  2754.         #painter.setBrush(QColor(36, 36, 36))

  2755.         #painter.setPen(QColor(62, 62, 62))

  2756.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2757. 

  2758.     # --------------------------------------------------------------------------------------------------------

  2759.     # close event

  2760. 

  2761.     def shouldIgnoreClose(self):

  2762.         if self.host.isControl or self.host.isPlugin:

  2763.             return False

  2764.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  2765.             return False

  2766.         if self.fSavedSettings[CARLA_KEY_MAIN_CONFIRM_EXIT]:

  2767.             return QMessageBox.question(self, self.tr("Quit"),

  2768.                                               self.tr("Are you sure you want to quit Carla?"),

  2769.                                               QMessageBox.Yes|QMessageBox.No) == QMessageBox.No

  2770.         return False

  2771. 

  2772.     def closeEvent(self, event):

  2773.         if self.shouldIgnoreClose():

  2774.             event.ignore()

  2775.             return

  2776. 

  2777.         if self.fWindowCloseHideGui and self.fCustomStopAction != self.CUSTOM_ACTION_APP_CLOSE:

  2778.             self.hideForNSM()

  2779.             self.host.nsm_ready(NSM_CALLBACK_HIDE_OPTIONAL_GUI)

  2780.             return

  2781. 

  2782.         patchcanvas.handleAllPluginsRemoved()

  2783. 

  2784.         if MACOS and self.fMacClosingHelper and not (self.host.isControl or self.host.isPlugin):

  2785.             self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2786.             self.fMacClosingHelper = False

  2787.             event.ignore()

  2788. 

  2789.             for i in reversed(range(self.fPluginCount)):

  2790.                 self.host.show_custom_ui(i, False)

  2791. 

  2792.             QTimer.singleShot(100, self.close)

  2793.             return

  2794. 

  2795.         self.killTimers()

  2796.         self.saveSettings()

  2797. 

  2798.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  2799.             if not self.slot_engineStop(True):

  2800.                 self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2801.                 event.ignore()

  2802.                 return

  2803. 

  2804.         QMainWindow.closeEvent(self, event)

  2805. 

  2806.         # if we reach this point, fully close ourselves

  2807.         gCarla.gui = None

  2808.         QApplication.instance().quit()

  2809. 

  2810. # ------------------------------------------------------------------------------------------------

  2811. # Canvas callback

  2812. 

  2813. def canvasCallback(action, value1, value2, valueStr):

  2814.     host = gCarla.gui.host

  2815. 

  2816.     if gCarla.gui.fCustomStopAction == HostWindow.CUSTOM_ACTION_APP_CLOSE:

  2817.         return

  2818. 

  2819.     if action == patchcanvas.ACTION_GROUP_INFO:

  2820.         pass

  2821. 

  2822.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  2823.         pass

  2824. 

  2825.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  2826.         groupId = value1

  2827.         patchcanvas.splitGroup(groupId)

  2828.         gCarla.gui.updateMiniCanvasLater()

  2829. 

  2830.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  2831.         groupId = value1

  2832.         patchcanvas.joinGroup(groupId)

  2833.         gCarla.gui.updateMiniCanvasLater()

  2834. 

  2835.     elif action == patchcanvas.ACTION_GROUP_POSITION:

  2836.         if gCarla.gui.fIsProjectLoading:

  2837.             return

  2838.         if not host.is_engine_running():

  2839.             return

  2840.         groupId = value1

  2841.         x1, y1, x2, y2 = tuple(int(i) for i in valueStr.split(":"))

  2842.         host.patchbay_set_group_pos(gCarla.gui.fExternalPatchbay, groupId, x1, y1, x2, y2)

  2843.         gCarla.gui.updateMiniCanvasLater()

  2844. 

  2845.     elif action == patchcanvas.ACTION_PORT_INFO:

  2846.         pass

  2847. 

  2848.     elif action == patchcanvas.ACTION_PORT_RENAME:

  2849.         pass

  2850. 

  2851.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  2852.         gOut, pOut, gIn, pIn = tuple(int(i) for i in valueStr.split(":"))

  2853. 

  2854.         if not host.patchbay_connect(gCarla.gui.fExternalPatchbay, gOut, pOut, gIn, pIn):

  2855.             print("Connection failed:", host.get_last_error())

  2856. 

  2857.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  2858.         connectionId = value1

  2859. 

  2860.         if not host.patchbay_disconnect(gCarla.gui.fExternalPatchbay, connectionId):

  2861.             print("Disconnect failed:", host.get_last_error())

  2862. 

  2863.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  2864.         pluginId = value1

  2865. 

  2866.         if not host.clone_plugin(pluginId):

  2867.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2868.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2869. 

  2870.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  2871.         pluginId = value1

  2872.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2873. 

  2874.         if pwidget is not None:

  2875.             pwidget.showEditDialog()

  2876. 

  2877.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  2878.         pluginId = value1

  2879.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2880. 

  2881.         if pwidget is not None:

  2882.             pwidget.showRenameDialog()

  2883. 

  2884.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  2885.         pluginId = value1

  2886.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2887. 

  2888.         if pwidget is not None:

  2889.             pwidget.showReplaceDialog()

  2890. 

  2891.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  2892.         pluginId = value1

  2893. 

  2894.         if not host.remove_plugin(pluginId):

  2895.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2896.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2897. 

  2898.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  2899.         pluginId = value1

  2900.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2901. 

  2902.         if pwidget is not None:

  2903.             pwidget.showCustomUI()

  2904. 

  2905.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  2906.         gCarla.gui.slot_showPluginActionsMenu()

  2907. 

  2908.     elif action == patchcanvas.ACTION_INLINE_DISPLAY:

  2909.         if gCarla.gui.fIsProjectLoading:

  2910.             return

  2911.         if not host.is_engine_running():

  2912.             return

  2913.         pluginId = value1

  2914.         width, height = [int(v) for v in valueStr.split(":")]

  2915.         return host.render_inline_display(pluginId, width, height)

  2916. 

  2917. # ------------------------------------------------------------------------------------------------------------

  2918. # Engine callback

  2919. 

  2920. def engineCallback(host, action, pluginId, value1, value2, value3, valuef, valueStr):

  2921.     # kdevelop likes this :)

  2922.     if False: host = CarlaHostNull()

  2923. 

  2924.     valueStr = charPtrToString(valueStr)

  2925. 

  2926.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  2927.         host.processMode   = value1

  2928.         host.transportMode = value2

  2929.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2930.         host.processMode   = value1

  2931.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2932.         host.transportMode  = value1

  2933.         host.transportExtra = valueStr

  2934. 

  2935.     if action == ENGINE_CALLBACK_DEBUG:

  2936.         host.DebugCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  2937.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  2938.         host.PluginAddedCallback.emit(pluginId, valueStr)

  2939.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  2940.         host.PluginRemovedCallback.emit(pluginId)

  2941.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  2942.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  2943.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  2944.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  2945.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  2946.         host.ParameterValueChangedCallback.emit(pluginId, value1, valuef)

  2947.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  2948.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, valuef)

  2949.     elif action == ENGINE_CALLBACK_PARAMETER_MAPPED_CONTROL_INDEX_CHANGED:

  2950.         host.ParameterMappedControlIndexChangedCallback.emit(pluginId, value1, value2)

  2951.     elif action == ENGINE_CALLBACK_PARAMETER_MAPPED_RANGE_CHANGED:

  2952.         minimum, maximum = (float(v) for v in valueStr.split(":", 2))

  2953.         host.ParameterMappedRangeChangedCallback.emit(pluginId, value1, minimum, maximum)

  2954.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  2955.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  2956.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  2957.         host.ProgramChangedCallback.emit(pluginId, value1)

  2958.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  2959.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  2960.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  2961.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  2962.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  2963.         host.UiStateChangedCallback.emit(pluginId, value1)

  2964.     elif action == ENGINE_CALLBACK_NOTE_ON:

  2965.         host.NoteOnCallback.emit(pluginId, value1, value2, value3)

  2966.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  2967.         host.NoteOffCallback.emit(pluginId, value1, value2)

  2968.     elif action == ENGINE_CALLBACK_UPDATE:

  2969.         host.UpdateCallback.emit(pluginId)

  2970.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  2971.         host.ReloadInfoCallback.emit(pluginId)

  2972.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  2973.         host.ReloadParametersCallback.emit(pluginId)

  2974.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  2975.         host.ReloadProgramsCallback.emit(pluginId)

  2976.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  2977.         host.ReloadAllCallback.emit(pluginId)

  2978.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  2979.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  2980.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  2981.         host.PatchbayClientRemovedCallback.emit(pluginId)

  2982.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  2983.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  2984.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  2985.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  2986.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_POSITION_CHANGED:

  2987.         host.PatchbayClientPositionChangedCallback.emit(pluginId, value1, value2, value3, int(round(valuef)))

  2988.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  2989.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, value3, valueStr)

  2990.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  2991.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  2992.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_CHANGED:

  2993.         host.PatchbayPortChangedCallback.emit(pluginId, value1, value2, value3, valueStr)

  2994.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_ADDED:

  2995.         host.PatchbayPortGroupAddedCallback.emit(pluginId, value1, value2, valueStr)

  2996.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_REMOVED:

  2997.         host.PatchbayPortGroupRemovedCallback.emit(pluginId, value1)

  2998.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_CHANGED:

  2999.         host.PatchbayPortGroupChangedCallback.emit(pluginId, value1, value2, valueStr)

  3000.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  3001.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  3002.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  3003.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  3004.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  3005.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  3006.         host.EngineStartedCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  3007.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  3008.         host.EngineStoppedCallback.emit()

  3009.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  3010.         host.ProcessModeChangedCallback.emit(value1)

  3011.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  3012.         host.TransportModeChangedCallback.emit(value1, valueStr)

  3013.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  3014.         host.BufferSizeChangedCallback.emit(value1)

  3015.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  3016.         host.SampleRateChangedCallback.emit(valuef)

  3017.     elif action == ENGINE_CALLBACK_CANCELABLE_ACTION:

  3018.         host.CancelableActionCallback.emit(pluginId, bool(value1 != 0), valueStr)

  3019.     elif action == ENGINE_CALLBACK_PROJECT_LOAD_FINISHED:

  3020.         host.ProjectLoadFinishedCallback.emit()

  3021.     elif action == ENGINE_CALLBACK_NSM:

  3022.         host.NSMCallback.emit(value1, value2, valueStr)

  3023.     elif action == ENGINE_CALLBACK_IDLE:

  3024.         QApplication.processEvents()

  3025.     elif action == ENGINE_CALLBACK_INFO:

  3026.         host.InfoCallback.emit(valueStr)

  3027.     elif action == ENGINE_CALLBACK_ERROR:

  3028.         host.ErrorCallback.emit(valueStr)

  3029.     elif action == ENGINE_CALLBACK_QUIT:

  3030.         host.QuitCallback.emit()

  3031.     elif action == ENGINE_CALLBACK_INLINE_DISPLAY_REDRAW:

  3032.         host.InlineDisplayRedrawCallback.emit(pluginId)

  3033.     else:

  3034.         print("unhandled action", action)

  3035. 

  3036. # ------------------------------------------------------------------------------------------------------------

  3037. # File callback

  3038. 

  3039. def fileCallback(ptr, action, isDir, title, filter):

  3040.     title  = charPtrToString(title)

  3041.     filter = charPtrToString(filter)

  3042. 

  3043.     if action == FILE_CALLBACK_OPEN:

  3044.         ret, ok = QFileDialog.getOpenFileName(gCarla.gui, title, "", filter) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  3045.     elif action == FILE_CALLBACK_SAVE:

  3046.         ret, ok = QFileDialog.getSaveFileName(gCarla.gui, title, "", filter, QFileDialog.ShowDirsOnly if isDir else 0x0)

  3047.     else:

  3048.         ret, ok = ("", "")

  3049. 

  3050.     # FIXME use ok value, test if it works as expected

  3051.     if not ret:

  3052.         return None

  3053. 

  3054.     # FIXME

  3055.     global fileRet

  3056.     fileRet = c_char_p(ret.encode("utf-8"))

  3057.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  3058.     return retval.contents.value

  3059. 

  3060. # ------------------------------------------------------------------------------------------------------------

  3061. # Init host

  3062. 

  3063. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  3064.     pathBinaries, pathResources = getPaths(libPrefix)

  3065. 

  3066.     # --------------------------------------------------------------------------------------------------------

  3067.     # Fail if binary dir is not found

  3068. 

  3069.     if not os.path.exists(pathBinaries):

  3070.         if failError:

  3071.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  3072.             sys.exit(1)

  3073.         return

  3074. 

  3075.     # --------------------------------------------------------------------------------------------------------

  3076.     # Check if we should open main lib as local or global

  3077. 

  3078.     settings = QSafeSettings("falkTX", "Carla2")

  3079. 

  3080.     loadGlobal = settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL, CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL, bool)

  3081. 

  3082.     # --------------------------------------------------------------------------------------------------------

  3083.     # Set Carla library name

  3084. 

  3085.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  3086.     libname   = os.path.join(pathBinaries, libname)

  3087.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  3088. 

  3089.     # --------------------------------------------------------------------------------------------------------

  3090.     # Print info

  3091. 

  3092.     print("Carla %s started, status:" % VERSION)

  3093.     print("  Python version: %s" % sys.version.split(" ",1)[0])

  3094.     print("  Qt version:     %s" % QT_VERSION_STR)

  3095.     print("  PyQt version:   %s" % PYQT_VERSION_STR)

  3096.     print("  Binary dir:     %s" % pathBinaries)

  3097.     print("  Resources dir:  %s" % pathResources)

  3098. 

  3099.     # --------------------------------------------------------------------------------------------------------

  3100.     # Init host

  3101. 

  3102.     if failError:

  3103.         # no try

  3104.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  3105.     else:

  3106.         try:

  3107.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  3108.         except:

  3109.             host = CarlaHostQtNull()

  3110. 

  3111.     host.isControl = isControl

  3112.     host.isPlugin  = isPlugin

  3113. 

  3114.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vf,vs: engineCallback(host,a,p,v1,v2,v3,vf,vs))

  3115.     host.set_file_callback(fileCallback)

  3116. 

  3117.     # If it's a plugin the paths are already set

  3118.     if not isPlugin:

  3119.         host.pathBinaries  = pathBinaries

  3120.         host.pathResources = pathResources

  3121.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  3122.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  3123. 

  3124.         if not isControl:

  3125.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  3126. 

  3127.     # --------------------------------------------------------------------------------------------------------

  3128.     # Init utils

  3129. 

  3130.     gCarla.utils = CarlaUtils(utilsname)

  3131.     gCarla.utils.set_process_name(os.path.basename(initName))

  3132. 

  3133.     try:

  3134.         sys.stdout.flush()

  3135.     except:

  3136.         pass

  3137. 

  3138.     sys.stdout = CarlaPrint(False)

  3139.     sys.stderr = CarlaPrint(True)

  3140.     sys.excepthook = sys_excepthook

  3141. 

  3142.     # --------------------------------------------------------------------------------------------------------

  3143.     # Done

  3144. 

  3145.     return host

  3146. 

  3147. # ------------------------------------------------------------------------------------------------------------

  3148. # Load host settings

  3149. 

  3150. def loadHostSettings(host):

  3151.     # kdevelop likes this :)

  3152.     if False: host = CarlaHostNull()

  3153. 

  3154.     settings = QSafeSettings("falkTX", "Carla2")

  3155. 

  3156.     host.experimental = settings.value(CARLA_KEY_MAIN_EXPERIMENTAL, CARLA_DEFAULT_MAIN_EXPERIMENTAL, bool)

  3157.     host.exportLV2 = settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2, CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT, bool)

  3158.     host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, bool)

  3159.     host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, int)

  3160.     host.resetXruns = settings.value(CARLA_KEY_ENGINE_RESET_XRUNS, CARLA_DEFAULT_RESET_XRUNS, bool)

  3161.     host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, bool)

  3162.     host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, bool)

  3163.     host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, bool)

  3164.     host.preventBadBehaviour = settings.value(CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, bool)

  3165.     host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, bool)

  3166.     host.showPluginBridges = settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, bool)

  3167.     host.showWineBridges = settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, bool)

  3168.     host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, int)

  3169.     host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, bool)

  3170. 

  3171.     if host.isPlugin:

  3172.         return

  3173. 

  3174.     host.transportExtra = settings.value(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, "", str)

  3175. 

  3176.     # enums

  3177.     if host.audioDriverForced is None:

  3178.         host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, int)

  3179. 

  3180.     if not host.processModeForced:

  3181.         host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, int)

  3182. 

  3183.     host.nextProcessMode = host.processMode

  3184. 

  3185.     # --------------------------------------------------------------------------------------------------------

  3186.     # fix things if needed

  3187. 

  3188.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  3189.         if LADISH_APP_NAME:

  3190.             print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  3191.             host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  3192. 

  3193.         else:

  3194.             host.transportMode = ENGINE_TRANSPORT_MODE_JACK

  3195. 

  3196.     if gCarla.nogui:

  3197.         host.showLogs = False

  3198. 

  3199.     # --------------------------------------------------------------------------------------------------------

  3200.     # run headless host now if nogui option enabled

  3201. 

  3202.     if gCarla.nogui:

  3203.         runHostWithoutUI(host)

  3204. 

  3205. # ------------------------------------------------------------------------------------------------------------

  3206. # Set host settings

  3207. 

  3208. def setHostSettings(host):

  3209.     # kdevelop likes this :)

  3210.     if False: host = CarlaHostNull()

  3211. 

  3212.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  3213.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  3214.     host.set_engine_option(ENGINE_OPTION_RESET_XRUNS,           host.resetXruns,          "")

  3215.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  3216.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  3217.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  3218.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  3219.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  3220. 

  3221.     if host.isPlugin or host.isRemote or host.is_engine_running():

  3222.         return

  3223. 

  3224.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  3225.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       host.transportExtra)

  3226.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  3227. 

  3228. # ------------------------------------------------------------------------------------------------------------

  3229. # Set Engine settings according to carla preferences. Returns selected audio driver.

  3230. 

  3231. def setEngineSettings(host, oscPort = None):

  3232.     # kdevelop likes this :)

  3233.     if False: host = CarlaHostNull()

  3234. 

  3235.     # --------------------------------------------------------------------------------------------------------

  3236.     # do nothing if control

  3237. 

  3238.     if host.isControl:

  3239.         return "Control"

  3240. 

  3241.     # --------------------------------------------------------------------------------------------------------

  3242. 

  3243.     settings = QSafeSettings("falkTX", "Carla2")

  3244. 

  3245.     # --------------------------------------------------------------------------------------------------------

  3246.     # main settings

  3247. 

  3248.     setHostSettings(host)

  3249. 

  3250.     # --------------------------------------------------------------------------------------------------------

  3251.     # file paths

  3252. 

  3253.     FILE_PATH_AUDIO = settings.value(CARLA_KEY_PATHS_AUDIO, CARLA_DEFAULT_FILE_PATH_AUDIO, list)

  3254.     FILE_PATH_MIDI  = settings.value(CARLA_KEY_PATHS_MIDI,  CARLA_DEFAULT_FILE_PATH_MIDI, list)

  3255. 

  3256.     host.set_engine_option(ENGINE_OPTION_FILE_PATH, FILE_AUDIO, splitter.join(FILE_PATH_AUDIO))

  3257.     host.set_engine_option(ENGINE_OPTION_FILE_PATH, FILE_MIDI,  splitter.join(FILE_PATH_MIDI))

  3258. 

  3259.     # --------------------------------------------------------------------------------------------------------

  3260.     # plugin paths

  3261. 

  3262.     LADSPA_PATH = settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH, list)

  3263.     DSSI_PATH   = settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH, list)

  3264.     LV2_PATH    = settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH, list)

  3265.     VST2_PATH   = settings.value(CARLA_KEY_PATHS_VST2,   CARLA_DEFAULT_VST2_PATH, list)

  3266.     VST3_PATH   = settings.value(CARLA_KEY_PATHS_VST3,   CARLA_DEFAULT_VST3_PATH, list)

  3267.     SF2_PATH    = settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH, list)

  3268.     SFZ_PATH    = settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH, list)

  3269. 

  3270.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  3271.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  3272.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  3273.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2,   splitter.join(VST2_PATH))

  3274.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST3,   splitter.join(VST3_PATH))

  3275.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  3276.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  3277. 

  3278.     # --------------------------------------------------------------------------------------------------------

  3279.     # don't continue if plugin

  3280. 

  3281.     if host.isPlugin:

  3282.         return "Plugin"

  3283. 

  3284.     # --------------------------------------------------------------------------------------------------------

  3285.     # osc settings

  3286. 

  3287.     if oscPort is not None and isinstance(oscPort, int):

  3288.         oscEnabled = True

  3289.         portNumTCP = portNumUDP = oscPort

  3290. 

  3291.     else:

  3292.         oscEnabled = settings.value(CARLA_KEY_OSC_ENABLED, CARLA_DEFAULT_OSC_ENABLED, bool)

  3293. 

  3294.         if not settings.value(CARLA_KEY_OSC_TCP_PORT_ENABLED, CARLA_DEFAULT_OSC_TCP_PORT_ENABLED, bool):

  3295.             portNumTCP = -1

  3296.         elif settings.value(CARLA_KEY_OSC_TCP_PORT_RANDOM, CARLA_DEFAULT_OSC_TCP_PORT_RANDOM, bool):

  3297.             portNumTCP = 0

  3298.         else:

  3299.             portNumTCP = settings.value(CARLA_KEY_OSC_TCP_PORT_NUMBER, CARLA_DEFAULT_OSC_TCP_PORT_NUMBER, int)

  3300. 

  3301.         if not settings.value(CARLA_KEY_OSC_UDP_PORT_ENABLED, CARLA_DEFAULT_OSC_UDP_PORT_ENABLED, bool):

  3302.             portNumUDP = -1

  3303.         elif settings.value(CARLA_KEY_OSC_UDP_PORT_RANDOM, CARLA_DEFAULT_OSC_UDP_PORT_RANDOM, bool):

  3304.             portNumUDP = 0

  3305.         else:

  3306.             portNumUDP = settings.value(CARLA_KEY_OSC_UDP_PORT_NUMBER, CARLA_DEFAULT_OSC_UDP_PORT_NUMBER, int)

  3307. 

  3308.     host.set_engine_option(ENGINE_OPTION_OSC_ENABLED, 1 if oscEnabled else 0, "")

  3309.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_TCP, portNumTCP, "")

  3310.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_UDP, portNumUDP, "")

  3311. 

  3312.     # --------------------------------------------------------------------------------------------------------

  3313.     # wine settings

  3314. 

  3315.     optWineExecutable = settings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, str)

  3316.     optWineAutoPrefix = settings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, bool)

  3317.     optWineFallbackPrefix = settings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, str)

  3318.     optWineRtPrioEnabled = settings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, bool)

  3319.     optWineBaseRtPrio = settings.value(CARLA_KEY_WINE_BASE_RT_PRIO,   CARLA_DEFAULT_WINE_BASE_RT_PRIO, int)

  3320.     optWineServerRtPrio = settings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, int)

  3321. 

  3322.     host.set_engine_option(ENGINE_OPTION_WINE_EXECUTABLE, 0, optWineExecutable)

  3323.     host.set_engine_option(ENGINE_OPTION_WINE_AUTO_PREFIX, 1 if optWineAutoPrefix else 0, "")

  3324.     host.set_engine_option(ENGINE_OPTION_WINE_FALLBACK_PREFIX, 0, os.path.expanduser(optWineFallbackPrefix))

  3325.     host.set_engine_option(ENGINE_OPTION_WINE_RT_PRIO_ENABLED, 1 if optWineRtPrioEnabled else 0, "")

  3326.     host.set_engine_option(ENGINE_OPTION_WINE_BASE_RT_PRIO, optWineBaseRtPrio, "")

  3327.     host.set_engine_option(ENGINE_OPTION_WINE_SERVER_RT_PRIO, optWineServerRtPrio, "")

  3328. 

  3329.     # --------------------------------------------------------------------------------------------------------

  3330.     # driver and device settings

  3331. 

  3332.     # driver name

  3333.     if host.audioDriverForced is not None:

  3334.         audioDriver = host.audioDriverForced

  3335.     else:

  3336.         try:

  3337.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, str)

  3338.         except:

  3339.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  3340. 

  3341.     # driver options

  3342.     audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", str)

  3343.     audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, int)

  3344.     audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, int)

  3345.     audioTripleBuffer = settings.value("%s%s/TripleBuffer" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER, bool)

  3346. 

  3347.     # Only setup audio things if engine is not running

  3348.     if not host.is_engine_running():

  3349.         host.set_engine_option(ENGINE_OPTION_AUDIO_DRIVER, 0, audioDriver)

  3350.         host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE, 0, audioDevice)

  3351. 

  3352.         if not audioDriver.startswith("JACK"):

  3353.             host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  3354.             host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  3355.             host.set_engine_option(ENGINE_OPTION_AUDIO_TRIPLE_BUFFER, 1 if audioTripleBuffer else 0, "")

  3356. 

  3357.     # --------------------------------------------------------------------------------------------------------

  3358.     # fix things if needed

  3359. 

  3360.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  3361.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  3362.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, host.transportExtra)

  3363. 

  3364.     # --------------------------------------------------------------------------------------------------------

  3365.     # return selected driver name

  3366. 

  3367.     return audioDriver

  3368. 

  3369. # ------------------------------------------------------------------------------------------------------------

  3370. # Run Carla without showing UI

  3371. 

  3372. def runHostWithoutUI(host):

  3373.     # kdevelop likes this :)

  3374.     if False: host = CarlaHostNull()

  3375. 

  3376.     # --------------------------------------------------------------------------------------------------------

  3377.     # Some initial checks

  3378. 

  3379.     if not gCarla.nogui:

  3380.         return

  3381. 

  3382.     if not isinstance(gCarla.nogui, int):

  3383.         oscPort = None

  3384.         projectFile = getInitialProjectFile(True)

  3385. 

  3386.         if not projectFile:

  3387.             print("Carla no-gui mode can only be used together with a project file.")

  3388.             sys.exit(1)

  3389. 

  3390.     else:

  3391.         oscPort = gCarla.nogui

  3392. 

  3393.     # --------------------------------------------------------------------------------------------------------

  3394.     # Additional imports

  3395. 

  3396.     from time import sleep

  3397. 

  3398.     # --------------------------------------------------------------------------------------------------------

  3399.     # Init engine

  3400. 

  3401.     audioDriver = setEngineSettings(host, oscPort)

  3402.     if not host.engine_init(audioDriver, "Carla"):

  3403.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  3404.         sys.exit(1)

  3405. 

  3406.     if oscPort is None and not host.load_project(projectFile):

  3407.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  3408.         host.engine_close()

  3409.         sys.exit(1)

  3410. 

  3411.     # --------------------------------------------------------------------------------------------------------

  3412.     # Idle

  3413. 

  3414.     print("Carla ready!")

  3415. 

  3416.     while host.is_engine_running() and not gCarla.term:

  3417.         host.engine_idle()

  3418.         sleep(0.0333) # 30 Hz

  3419. 

  3420.     # --------------------------------------------------------------------------------------------------------

  3421.     # Stop

  3422. 

  3423.     host.engine_close()

  3424.     sys.exit(0)

  3425. 

  3426. # ------------------------------------------------------------------------------------------------------------