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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 (

  41.     QT_VERSION, qCritical, QBuffer, QEventLoop, QFileInfo, QIODevice, QMimeData, QModelIndex, QPointF, QTimer, QEvent

  42. )

  43. from PyQt5.QtGui import (

  44.     QImage, QImageWriter, QPainter, QPalette, QBrush

  45. )

  46. from PyQt5.QtWidgets import (

  47.     QAction, QApplication, QInputDialog, QFileSystemModel, QListWidgetItem, QGraphicsView, QMainWindow

  48. )

  49. 

  50. # ------------------------------------------------------------------------------------------------------------

  51. # Imports (Custom)

  52. 

  53. import ui_carla_host

  54. 

  55. from carla_app import *

  56. from carla_backend_qt import CarlaHostQtDLL, CarlaHostQtNull

  57. from carla_database import *

  58. from carla_settings import *

  59. from carla_utils import *

  60. from carla_widgets import *

  61. 

  62. from patchcanvas import patchcanvas

  63. from widgets.digitalpeakmeter import DigitalPeakMeter

  64. from widgets.pixmapkeyboard import PixmapKeyboardHArea

  65. 

  66. # ------------------------------------------------------------------------------------------------------------

  67. # Try Import OpenGL

  68. 

  69. try:

  70.     from PyQt5.QtOpenGL import QGLWidget

  71.     hasGL = True

  72. except:

  73.     hasGL = False

  74. 

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

  76. # Safe exception hook, needed for PyQt5

  77. 

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

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

  80. 

  81. # ------------------------------------------------------------------------------------------------------------

  82. # Session Management support

  83. 

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

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

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

  87. 

  88. # ------------------------------------------------------------------------------------------------------------

  89. # Small print helper

  90. 

  91. def processMode2Str(processMode):

  92.     if processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT:

  93.         return "Single client"

  94.     if processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  95.         return "Multi client"

  96.     if processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK:

  97.         return "Continuous Rack"

  98.     if processMode == ENGINE_PROCESS_MODE_PATCHBAY:

  99.         return "Patchbay"

  100.     if processMode == ENGINE_PROCESS_MODE_BRIDGE:

  101.         return "Bridge"

  102.     return "Unknown"

  103. 

  104. # ------------------------------------------------------------------------------------------------------------

  105. # Carla Print class

  106. 

  107. class CarlaPrint:

  108.     def __init__(self, err):

  109.         self.err = err

  110. 

  111.     def flush(self):

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

  113. 

  114.     def write(self, string):

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

  116. 

  117. # ------------------------------------------------------------------------------------------------------------

  118. # Host Window

  119. 

  120. class HostWindow(QMainWindow):

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

  122.     # signals

  123.     SIGTERM = pyqtSignal()

  124.     SIGUSR1 = pyqtSignal()

  125. 

  126.     # CustomActions

  127.     CUSTOM_ACTION_NONE         = 0

  128.     CUSTOM_ACTION_APP_CLOSE    = 1

  129.     CUSTOM_ACTION_PROJECT_LOAD = 2

  130. 

  131.     # --------------------------------------------------------------------------------------------------------

  132. 

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

  134.         QMainWindow.__init__(self, parent)

  135.         self.host = host

  136.         self.ui = ui_carla_host.Ui_CarlaHostW()

  137.         self.ui.setupUi(self)

  138.         gCarla.gui = self

  139. 

  140.         if False:

  141.             # kdevelop likes this :)

  142.             host = CarlaHostNull()

  143.             self.host = host

  144. 

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

  146. 

  147.         self.fParentOrSelf = parent or self

  148. 

  149.         # ----------------------------------------------------------------------------------------------------

  150.         # Internal stuff

  151. 

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

  153.         self.fIdleTimerFast = 0

  154.         self.fIdleTimerSlow = 0

  155. 

  156.         self.fLadspaRdfNeedsUpdate = True

  157.         self.fLadspaRdfList = []

  158. 

  159.         self.fPluginCount = 0

  160.         self.fPluginList  = []

  161. 

  162.         self.fPluginDatabaseDialog = None

  163.         self.fFavoritePlugins = []

  164. 

  165.         self.fProjectFilename  = ""

  166.         self.fIsProjectLoading = False

  167.         self.fCurrentlyRemovingAllPlugins = False

  168. 

  169.         self.fLastTransportBPM   = 0.0

  170.         self.fLastTransportFrame = 0

  171.         self.fLastTransportState = False

  172.         self.fBufferSize         = 0

  173.         self.fSampleRate         = 0.0

  174.         self.fOscAddressTCP      = ""

  175.         self.fOscAddressUDP      = ""

  176.         self.fOscReportedHost    = ""

  177. 

  178.         if MACOS:

  179.             self.fMacClosingHelper = True

  180. 

  181.         # CancelableActionCallback Box

  182.         self.fCancelableActionBox = None

  183. 

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

  185.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  186. 

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

  188.         self.fFirstEngineInit = True

  189. 

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

  191.         self.fSavedSettings = {}

  192. 

  193.         # true if NSM server handles our window management

  194.         self.fWindowCloseHideGui = False

  195. 

  196.         if host.isControl:

  197.             self.fClientName         = "Carla-Control"

  198.             self.fSessionManagerName = "Control"

  199.         elif host.isPlugin:

  200.             self.fClientName         = "Carla-Plugin"

  201.             self.fSessionManagerName = "Plugin"

  202.         elif LADISH_APP_NAME:

  203.             self.fClientName         = LADISH_APP_NAME

  204.             self.fSessionManagerName = "LADISH"

  205.         elif NSM_URL and host.nsmOK:

  206.             self.fClientName         = "Carla.tmp"

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

  208.             self.fWindowCloseHideGui = True

  209.         else:

  210.             self.fClientName         = CARLA_CLIENT_NAME or "Carla"

  211.             self.fSessionManagerName = ""

  212. 

  213.         # ----------------------------------------------------------------------------------------------------

  214.         # Internal stuff (patchbay)

  215. 

  216.         self.fPeaksCleared = True

  217. 

  218.         self.fExternalPatchbay = False

  219.         self.fSelectedPlugins  = []

  220. 

  221.         self.fCanvasWidth  = 0

  222.         self.fCanvasHeight = 0

  223.         self.fMiniCanvasUpdateTimeout = 0

  224. 

  225.         self.fWithCanvas = withCanvas

  226. 

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

  228.         # Internal stuff (logs)

  229. 

  230.         self.autoscrollOnNewLog = True

  231.         self.lastLogSliderPos = 0

  232. 

  233.         # ----------------------------------------------------------------------------------------------------

  234.         # Set up GUI (engine stopped)

  235. 

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

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

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

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

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

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

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

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

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

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

  246. 

  247.             if self.host.isControl:

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

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

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

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

  252.             else:

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

  254. 

  255.                 if not withCanvas:

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

  257. 

  258.         else:

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

  260. 

  261.             if WINDOWS:

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

  263. 

  264.         if self.host.isControl:

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

  266.         else:

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

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

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

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

  271. 

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

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

  274. 

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

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

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

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

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

  280. 

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

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

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

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

  285. 

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

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

  288. 

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

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

  291. 

  292.         if not withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  310.             self.ui.tw_miniCanvas.hide()

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

  312.             if WINDOWS:

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

  314. 

  315.         # ----------------------------------------------------------------------------------------------------

  316.         # Set up GUI (disk)

  317. 

  318.         exts = gCarla.utils.get_supported_file_extensions()

  319. 

  320.         self.fDirModel = QFileSystemModel(self)

  321.         self.fDirModel.setRootPath(HOME)

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

  323. 

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

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

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

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

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

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

  330. 

  331.         # ----------------------------------------------------------------------------------------------------

  332.         # Set up GUI (transport)

  333. 

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

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

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

  337. 

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

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

  340. 

  341.         if minLabelWidth < labelTimeWidth:

  342.             minLabelWidth = labelTimeWidth

  343.         if minLabelWidth < labelBBTWidth:

  344.             minLabelWidth = labelBBTWidth

  345. 

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

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

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

  349. 

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

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

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

  353. 

  354.         if host.isPlugin:

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

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

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

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

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

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

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

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

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

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

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

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

  367. 

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

  369. 

  370.         # ----------------------------------------------------------------------------------------------------

  371.         # Set up GUI (rack)

  372. 

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

  374. 

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

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

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

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

  379. 

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

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

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

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

  384. 

  385.         self.updateStyle()

  386. 

  387.         self.ui.rack.setStyleSheet("""

  388.           CarlaRackList#CarlaRackList {

  389.             background-color: black;

  390.           }

  391.         """)

  392. 

  393.         # ----------------------------------------------------------------------------------------------------

  394.         # Set up GUI (patchbay)

  395. 

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

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

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

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

  400. 

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

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

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

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

  405. 

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

  407.         self.ui.keyboard   = self.ui.scrollArea.keyboard

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

  409. 

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

  411. 

  412.         self.ui.miniCanvasPreview.setRealParent(self)

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

  414. 

  415.         # ----------------------------------------------------------------------------------------------------

  416.         # Set up GUI (logs)

  417. 

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

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

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

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

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

  423. 

  424.         # ----------------------------------------------------------------------------------------------------

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

  426. 

  427.         if MACOS:

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

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

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

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

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

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

  434. 

  435.         # ----------------------------------------------------------------------------------------------------

  436.         # Load Settings

  437. 

  438.         self.loadSettings(True)

  439. 

  440.         # ----------------------------------------------------------------------------------------------------

  441.         # Set-up Canvas

  442. 

  443.         if withCanvas:

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

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

  446. 

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

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

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

  450. 

  451.             self.setupCanvas()

  452. 

  453.         # ----------------------------------------------------------------------------------------------------

  454.         # Connect actions to functions

  455. 

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

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

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

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

  460. 

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

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

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

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

  465. 

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

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

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

  469. 

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

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

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

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

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

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

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

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

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

  479. 

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

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

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

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

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

  485. 

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

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

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

  489. 

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

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

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

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

  494. 

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

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

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

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

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

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

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

  502. 

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

  504. 

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

  506. 

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

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

  509. 

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

  511. 

  512.         if withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  532. 

  533.         self.SIGUSR1.connect(self.slot_handleSIGUSR1)

  534.         self.SIGTERM.connect(self.slot_handleSIGTERM)

  535. 

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

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

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

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

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

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

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

  543. 

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

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

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

  547. 

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

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

  550. 

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

  552. 

  553.         if withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

  567. 

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

  569. 

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

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

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

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

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

  575. 

  576.         # ----------------------------------------------------------------------------------------------------

  577.         # Final setup

  578. 

  579.         self.ui.text_logs.clear()

  580.         self.slot_logButtonsState(False)

  581.         self.setProperWindowTitle()

  582. 

  583.         # Disable non-supported features

  584.         features = gCarla.utils.get_supported_features()

  585. 

  586.         if "link" not in features:

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

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

  589. 

  590.         if "juce" not in features:

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

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

  593. 

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

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

  596.             self.startTimers()

  597. 

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

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

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

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

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

  603. 

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

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

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

  607. 

  608.         # Load initial project file if set

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

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

  611. 

  612.             if projectFile:

  613.                 self.loadProjectLater(projectFile)

  614. 

  615.         # For NSM we wait for the open message

  616.         if NSM_URL and host.nsmOK:

  617.             host.nsm_ready(NSM_CALLBACK_INIT)

  618.             return

  619. 

  620.         if not host.isControl:

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

  622. 

  623.     # --------------------------------------------------------------------------------------------------------

  624.     # Manage visibility state, needed for NSM

  625. 

  626.     def hideForNSM(self):

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

  628.             if pitem is None:

  629.                 continue

  630.             pitem.getWidget().hideCustomUI()

  631.         self.hide()

  632. 

  633.     def showIfNeeded(self):

  634.         if self.host.nsmOK:

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

  636.             QApplication.instance().setQuitOnLastWindowClosed(False)

  637.         else:

  638.             self.show()

  639. 

  640.     # --------------------------------------------------------------------------------------------------------

  641.     # Setup

  642. 

  643.     def compactPlugin(self, pluginId):

  644.         if pluginId > self.fPluginCount:

  645.             return

  646. 

  647.         pitem = self.fPluginList[pluginId]

  648. 

  649.         if pitem is None:

  650.             return

  651. 

  652.         pitem.recreateWidget(True)

  653. 

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

  655.         if pluginId > self.fPluginCount:

  656.             return

  657. 

  658.         pitem = self.fPluginList[pluginId]

  659. 

  660.         if pitem is None:

  661.             return

  662. 

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

  664.         pitem.recreateWidget(newColor = color)

  665. 

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

  667.         if pluginId > self.fPluginCount:

  668.             return

  669. 

  670.         pitem = self.fPluginList[pluginId]

  671. 

  672.         if pitem is None:

  673.             return

  674. 

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

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

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

  678.         else:

  679.             pitem.recreateWidget(newSkin = skin)

  680. 

  681.     def findPluginInPatchbay(self, pluginId):

  682.         if pluginId > self.fPluginCount:

  683.             return

  684. 

  685.         if self.fExternalPatchbay:

  686.             self.slot_canvasShowInternal()

  687. 

  688.         if not patchcanvas.focusGroupUsingPluginId(pluginId):

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

  690.             if not patchcanvas.focusGroupUsingGroupName(name):

  691.                 return

  692. 

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

  694. 

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

  696.         if pluginIdA == pluginIdB:

  697.             return

  698.         if pluginIdA < 0 or pluginIdB < 0:

  699.             return

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

  701.             return

  702. 

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

  704. 

  705.         itemA = self.fPluginList[pluginIdA]

  706.         compactA = itemA.isCompacted()

  707.         guiShownA = itemA.isGuiShown()

  708. 

  709.         itemB = self.fPluginList[pluginIdB]

  710.         compactB = itemB.isCompacted()

  711.         guiShownB = itemB.isGuiShown()

  712. 

  713.         itemA.setPluginId(pluginIdA)

  714.         itemA.recreateWidget2(compactB, guiShownB)

  715. 

  716.         itemB.setPluginId(pluginIdB)

  717.         itemB.recreateWidget2(compactA, guiShownA)

  718. 

  719.         if self.fWithCanvas:

  720.             self.slot_canvasRefresh()

  721. 

  722.     def setLoadRDFsNeeded(self):

  723.         self.fLadspaRdfNeedsUpdate = True

  724. 

  725.     def setProperWindowTitle(self):

  726.         title = self.fClientName

  727. 

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

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

  730.         if self.fSessionManagerName:

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

  732. 

  733.         self.setWindowTitle(title)

  734. 

  735.     def updateBufferSize(self, newBufferSize):

  736.         if self.fBufferSize == newBufferSize:

  737.             return

  738.         self.fBufferSize = newBufferSize

  739.         self.ui.cb_buffer_size.clear()

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

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

  742. 

  743.     def updateSampleRate(self, newSampleRate):

  744.         if self.fSampleRate == newSampleRate:

  745.             return

  746.         self.fSampleRate = newSampleRate

  747.         self.ui.cb_sample_rate.clear()

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

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

  750.         self.refreshTransport(True)

  751. 

  752.     # --------------------------------------------------------------------------------------------------------

  753.     # Files

  754. 

  755.     def loadProjectNow(self):

  756.         if not self.fProjectFilename:

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

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

  759.             return

  760. 

  761.         self.projectLoadingStarted()

  762.         self.fIsProjectLoading = True

  763. 

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

  765.             self.fIsProjectLoading = False

  766.             self.projectLoadingFinished()

  767. 

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

  769.                              self.host.get_last_error(),

  770.                              QMessageBox.Ok, QMessageBox.Ok)

  771. 

  772.     def loadProjectLater(self, filename):

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

  774.         self.setProperWindowTitle()

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

  776. 

  777.     def saveProjectNow(self):

  778.         if not self.fProjectFilename:

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

  780. 

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

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

  783.                              self.host.get_last_error(),

  784.                              QMessageBox.Ok, QMessageBox.Ok)

  785.             return

  786. 

  787.     def projectLoadingStarted(self):

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

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

  790. 

  791.     def projectLoadingFinished(self):

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

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

  794. 

  795.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE or not self.fWithCanvas:

  796.             return

  797. 

  798.         if not self.loadExternalCanvasGroupPositionsIfNeeded(self.fProjectFilename):

  799.             QTimer.singleShot(1, self.slot_canvasRefresh)

  800. 

  801.     def loadExternalCanvasGroupPositionsIfNeeded(self, filename):

  802.         extrafile = filename.rsplit(".",1)[0]+".json"

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

  804.             return False

  805. 

  806.         with open(filename, "r") as fh:

  807.             if "".join(fh.readlines(90)).find("<CARLA-PROJECT VERSION='2.0'>") < 0:

  808.                 return False

  809. 

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

  811.             try:

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

  813.             except:

  814.                 return False

  815. 

  816.         print("NOTICE: loading old-style canvas group positions via legacy json file")

  817.         patchcanvas.restoreGroupPositions(canvasdata)

  818.         QTimer.singleShot(1, self.slot_canvasRefresh)

  819.         return True

  820. 

  821.     # --------------------------------------------------------------------------------------------------------

  822.     # Files (menu actions)

  823. 

  824.     @pyqtSlot()

  825.     def slot_fileNew(self):

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

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

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

  829.             return

  830. 

  831.         self.pluginRemoveAll()

  832.         self.fProjectFilename = ""

  833.         self.setProperWindowTitle()

  834.         self.host.clear_project_filename()

  835. 

  836.     @pyqtSlot()

  837.     def slot_fileOpen(self):

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

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

  840. 

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

  842.         if not filename:

  843.             return

  844. 

  845.         newFile = True

  846. 

  847.         if self.fPluginCount > 0:

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

  849.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  851. 

  852.         if newFile:

  853.             self.pluginRemoveAll()

  854.             self.fProjectFilename = filename

  855.             self.setProperWindowTitle()

  856.             self.loadProjectNow()

  857.         else:

  858.             filenameOld = self.fProjectFilename

  859.             self.fProjectFilename = filename

  860.             self.loadProjectNow()

  861.             self.fProjectFilename = filenameOld

  862. 

  863.     @pyqtSlot()

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

  865.         if self.fProjectFilename and not saveAs:

  866.             return self.saveProjectNow()

  867. 

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

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

  870. 

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

  872.         if not filename:

  873.             return

  874. 

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

  876.             filename += ".carxp"

  877. 

  878.         if self.fProjectFilename != filename:

  879.             self.fProjectFilename = filename

  880.             self.setProperWindowTitle()

  881. 

  882.         self.saveProjectNow()

  883. 

  884.     @pyqtSlot()

  885.     def slot_fileSaveAs(self):

  886.         self.slot_fileSave(True)

  887. 

  888.     @pyqtSlot()

  889.     def slot_loadProjectNow(self):

  890.         self.loadProjectNow()

  891. 

  892.     # --------------------------------------------------------------------------------------------------------

  893.     # Engine (menu actions)

  894. 

  895.     @pyqtSlot()

  896.     def slot_engineStart(self):

  897.         audioDriver = setEngineSettings(self.host)

  898.         firstInit   = self.fFirstEngineInit

  899. 

  900.         self.fFirstEngineInit = False

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

  902. 

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

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

  905.                 settings = QSafeSettings()

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

  907.                 del settings

  908.                 if lastBpm >= 20.0:

  909.                     self.host.transport_bpm(lastBpm)

  910.             return

  911. 

  912.         elif firstInit:

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

  914.             return

  915. 

  916.         audioError = self.host.get_last_error()

  917. 

  918.         if audioError:

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

  920.         else:

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

  922. 

  923.     @pyqtSlot()

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

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

  926. 

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

  928.             self.engineStopFinal()

  929.             return True

  930. 

  931.         if not forced:

  932.             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"

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

  934.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  935.             if ask != QMessageBox.Yes:

  936.                 return False

  937. 

  938.         return self.slot_engineStopTryAgain()

  939. 

  940.     @pyqtSlot()

  941.     def slot_engineConfig(self):

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

  943. 

  944.         if not dialog.exec_():

  945.             return

  946. 

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

  948. 

  949.         if self.host.is_engine_running():

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

  951.         else:

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

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

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

  955. 

  956.     @pyqtSlot()

  957.     def slot_engineStopTryAgain(self):

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

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

  960.             return False

  961. 

  962.         self.engineStopFinal()

  963.         return True

  964. 

  965.     def engineStopFinal(self):

  966.         patchcanvas.handleAllPluginsRemoved()

  967.         self.killTimers()

  968. 

  969.         if self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  970.             self.removeAllPlugins()

  971.         elif self.fPluginCount != 0:

  972.             self.fCurrentlyRemovingAllPlugins = True

  973.             self.projectLoadingStarted()

  974. 

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

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

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

  978. 

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

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

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

  982. 

  983.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  984.             self.close()

  985.         elif self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  986.             self.slot_engineStart()

  987.             self.loadProjectNow()

  988.             self.host.nsm_ready(NSM_CALLBACK_OPEN)

  989. 

  990.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  991. 

  992.     # --------------------------------------------------------------------------------------------------------

  993.     # Engine (host callbacks)

  994. 

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

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

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

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

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

  1000. 

  1001.         self.ui.act_canvas_show_internal.blockSignals(True)

  1002.         self.ui.act_canvas_show_external.blockSignals(True)

  1003. 

  1004.         if processMode == ENGINE_PROCESS_MODE_PATCHBAY and not self.host.isPlugin:

  1005.             self.ui.act_canvas_show_internal.setChecked(True)

  1006.             self.ui.act_canvas_show_internal.setVisible(True)

  1007.             self.ui.act_canvas_show_external.setChecked(False)

  1008.             self.ui.act_canvas_show_external.setVisible(True)

  1009.             self.fExternalPatchbay = False

  1010.         else:

  1011.             self.ui.act_canvas_show_internal.setChecked(False)

  1012.             self.ui.act_canvas_show_internal.setVisible(False)

  1013.             self.ui.act_canvas_show_external.setChecked(True)

  1014.             self.ui.act_canvas_show_external.setVisible(False)

  1015.             self.fExternalPatchbay = not self.host.isPlugin

  1016. 

  1017.         self.ui.act_canvas_show_internal.blockSignals(False)

  1018.         self.ui.act_canvas_show_external.blockSignals(False)

  1019. 

  1020.         if not (self.host.isControl or self.host.isPlugin):

  1021.             canSave = (self.fProjectFilename and os.path.exists(self.fProjectFilename)) or not self.fSessionManagerName

  1022.             self.ui.act_file_save.setEnabled(canSave)

  1023.             self.ui.act_engine_start.setEnabled(False)

  1024.             self.ui.act_engine_stop.setEnabled(True)

  1025. 

  1026.         if not self.host.isPlugin:

  1027.             self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1028. 

  1029.         if self.host.isPlugin or not self.fSessionManagerName:

  1030.             self.ui.act_file_open.setEnabled(True)

  1031.             self.ui.act_file_save_as.setEnabled(True)

  1032. 

  1033.         self.ui.cb_transport_jack.setChecked(transportMode == ENGINE_TRANSPORT_MODE_JACK)

  1034.         self.ui.cb_transport_jack.setEnabled(driverName == "JACK" and processMode != ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS)

  1035. 

  1036.         if self.ui.cb_transport_link.isEnabled():

  1037.             self.ui.cb_transport_link.setChecked(":link:" in self.host.transportExtra)

  1038. 

  1039.         self.updateBufferSize(bufferSize)

  1040.         self.updateSampleRate(int(sampleRate))

  1041.         self.refreshRuntimeInfo(0.0, 0)

  1042.         self.startTimers()

  1043. 

  1044.         self.ui.text_logs.appendPlainText("======= Engine started ========")

  1045.         self.ui.text_logs.appendPlainText("Carla engine started, details:")

  1046.         self.ui.text_logs.appendPlainText("  Driver name:  %s" % driverName)

  1047.         self.ui.text_logs.appendPlainText("  Sample rate:  %i" % int(sampleRate))

  1048.         self.ui.text_logs.appendPlainText("  Process mode: %s" % processMode2Str(processMode))

  1049. 

  1050.     @pyqtSlot()

  1051.     def slot_handleEngineStoppedCallback(self):

  1052.         self.ui.text_logs.appendPlainText("======= Engine stopped ========")

  1053. 

  1054.         if self.fWithCanvas:

  1055.             patchcanvas.clear()

  1056. 

  1057.         self.killTimers()

  1058. 

  1059.         # just in case

  1060.         self.removeAllPlugins()

  1061.         self.refreshRuntimeInfo(0.0, 0)

  1062. 

  1063.         self.ui.menu_PluginMacros.setEnabled(False)

  1064.         self.ui.menu_Canvas.setEnabled(False)

  1065.         self.ui.w_transport.setEnabled(False)

  1066. 

  1067.         if not (self.host.isControl or self.host.isPlugin):

  1068.             self.ui.act_file_save.setEnabled(False)

  1069.             self.ui.act_engine_start.setEnabled(True)

  1070.             self.ui.act_engine_stop.setEnabled(False)

  1071. 

  1072.         if self.host.isPlugin or not self.fSessionManagerName:

  1073.             self.ui.act_file_open.setEnabled(False)

  1074.             self.ui.act_file_save_as.setEnabled(False)

  1075. 

  1076.     @pyqtSlot(int, str)

  1077.     def slot_handleTransportModeChangedCallback(self, transportMode, transportExtra):

  1078.         self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1079. 

  1080.         self.ui.cb_transport_jack.setChecked(transportMode == ENGINE_TRANSPORT_MODE_JACK)

  1081.         self.ui.cb_transport_link.setChecked(":link:" in transportExtra)

  1082. 

  1083.     @pyqtSlot(int)

  1084.     def slot_handleBufferSizeChangedCallback(self, newBufferSize):

  1085.         self.updateBufferSize(newBufferSize)

  1086. 

  1087.     @pyqtSlot(float)

  1088.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  1089.         self.updateSampleRate(int(newSampleRate))

  1090. 

  1091.     @pyqtSlot(int, bool, str)

  1092.     def slot_handleCancelableActionCallback(self, pluginId, started, action):

  1093.         if self.fCancelableActionBox is not None:

  1094.             self.fCancelableActionBox.close()

  1095. 

  1096.         if started:

  1097.             self.fCancelableActionBox = QMessageBox(self)

  1098.             self.fCancelableActionBox.setIcon(QMessageBox.Information)

  1099.             self.fCancelableActionBox.setWindowTitle(self.tr("Action in progress"))

  1100.             self.fCancelableActionBox.setText(action)

  1101.             self.fCancelableActionBox.setInformativeText(self.tr("An action is in progress, please wait..."))

  1102.             self.fCancelableActionBox.setStandardButtons(QMessageBox.Cancel)

  1103.             self.fCancelableActionBox.setDefaultButton(QMessageBox.Cancel)

  1104.             self.fCancelableActionBox.buttonClicked.connect(self.slot_canlableActionBoxClicked)

  1105.             self.fCancelableActionBox.show()

  1106. 

  1107.         else:

  1108.             self.fCancelableActionBox = None

  1109. 

  1110.     @pyqtSlot()

  1111.     def slot_canlableActionBoxClicked(self):

  1112.         self.host.cancel_engine_action()

  1113. 

  1114.     @pyqtSlot()

  1115.     def slot_handleProjectLoadFinishedCallback(self):

  1116.         self.fIsProjectLoading = False

  1117.         self.projectLoadingFinished()

  1118. 

  1119.     # --------------------------------------------------------------------------------------------------------

  1120.     # Plugins

  1121. 

  1122.     def removeAllPlugins(self):

  1123.         self.ui.act_plugin_remove_all.setEnabled(False)

  1124.         patchcanvas.handleAllPluginsRemoved()

  1125. 

  1126.         while self.ui.listWidget.takeItem(0):

  1127.             pass

  1128. 

  1129.         self.clearSideStuff()

  1130. 

  1131.         for pitem in self.fPluginList:

  1132.             if pitem is None:

  1133.                 continue

  1134. 

  1135.             pitem.close()

  1136.             del pitem

  1137. 

  1138.         self.fPluginCount = 0

  1139.         self.fPluginList  = []

  1140. 

  1141.     # --------------------------------------------------------------------------------------------------------

  1142.     # Plugins (menu actions)

  1143. 

  1144.     def showAddPluginDialog(self):

  1145.         if self.fPluginDatabaseDialog is None:

  1146.             self.fPluginDatabaseDialog = PluginDatabaseW(self.fParentOrSelf, self.host)

  1147.         dialog = self.fPluginDatabaseDialog

  1148. 

  1149.         ret = dialog.exec_()

  1150. 

  1151.         if dialog.fFavoritePluginsChanged:

  1152.             self.fFavoritePlugins = dialog.fFavoritePlugins

  1153. 

  1154.         if not ret:

  1155.             return

  1156. 

  1157.         if not self.host.is_engine_running():

  1158.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1159.             return

  1160. 

  1161.         btype    = dialog.fRetPlugin['build']

  1162.         ptype    = dialog.fRetPlugin['type']

  1163.         filename = dialog.fRetPlugin['filename']

  1164.         label    = dialog.fRetPlugin['label']

  1165.         uniqueId = dialog.fRetPlugin['uniqueId']

  1166.         extraPtr = self.getExtraPtr(dialog.fRetPlugin)

  1167. 

  1168.         return (btype, ptype, filename, label, uniqueId, extraPtr)

  1169. 

  1170.     def showAddJackAppDialog(self):

  1171.         dialog = JackApplicationW(self.fParentOrSelf, self.fProjectFilename)

  1172. 

  1173.         if not dialog.exec_():

  1174.             return

  1175. 

  1176.         if not self.host.is_engine_running():

  1177.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1178.             return

  1179. 

  1180.         return dialog.getCommandAndFlags()

  1181. 

  1182.     @pyqtSlot()

  1183.     def slot_favoritePluginAdd(self):

  1184.         plugin = self.sender().data()

  1185. 

  1186.         if plugin is None:

  1187.             return

  1188. 

  1189.         if not self.host.add_plugin(plugin['build'], plugin['type'], plugin['filename'], None,

  1190.                                     plugin['label'], plugin['uniqueId'], None, PLUGIN_OPTIONS_NULL):

  1191.             CustomMessageBox(self,

  1192.                              QMessageBox.Critical,

  1193.                              self.tr("Error"),

  1194.                              self.tr("Failed to load plugin"),

  1195.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1196. 

  1197.     @pyqtSlot()

  1198.     def slot_showPluginActionsMenu(self):

  1199.         menu = QMenu(self)

  1200. 

  1201.         menu.addSection("Plugins")

  1202.         menu.addAction(self.ui.act_plugin_add)

  1203. 

  1204.         if len(self.fFavoritePlugins) != 0:

  1205.             fmenu = QMenu("Add from favorites", self)

  1206.             for p in self.fFavoritePlugins:

  1207.                 act = fmenu.addAction(p['name'])

  1208.                 act.setData(p)

  1209.                 act.triggered.connect(self.slot_favoritePluginAdd)

  1210.             menu.addMenu(fmenu)

  1211. 

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

  1213. 

  1214.         menu.addSection("All plugins (macros)")

  1215.         menu.addAction(self.ui.act_plugins_enable)

  1216.         menu.addAction(self.ui.act_plugins_disable)

  1217.         menu.addSeparator()

  1218.         menu.addAction(self.ui.act_plugins_volume100)

  1219.         menu.addAction(self.ui.act_plugins_mute)

  1220.         menu.addSeparator()

  1221.         menu.addAction(self.ui.act_plugins_wet100)

  1222.         menu.addAction(self.ui.act_plugins_bypass)

  1223.         menu.addSeparator()

  1224.         menu.addAction(self.ui.act_plugins_center)

  1225.         menu.addSeparator()

  1226.         menu.addAction(self.ui.act_plugins_compact)

  1227.         menu.addAction(self.ui.act_plugins_expand)

  1228. 

  1229.         menu.exec_(QCursor.pos())

  1230. 

  1231.     @pyqtSlot()

  1232.     def slot_pluginAdd(self):

  1233.         data = self.showAddPluginDialog()

  1234. 

  1235.         if data is None:

  1236.             return

  1237. 

  1238.         btype, ptype, filename, label, uniqueId, extraPtr = data

  1239. 

  1240.         if not self.host.add_plugin(btype, ptype, filename, None, label, uniqueId, extraPtr, PLUGIN_OPTIONS_NULL):

  1241.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1242.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1243. 

  1244.     @pyqtSlot()

  1245.     def slot_confirmRemoveAll(self):

  1246.         if self.fPluginCount == 0:

  1247.             return

  1248. 

  1249.         if QMessageBox.question(self, self.tr("Remove All"),

  1250.                                       self.tr("Are you sure you want to remove all plugins?"),

  1251.                                       QMessageBox.Yes|QMessageBox.No) == QMessageBox.No:

  1252.             return

  1253. 

  1254.         self.pluginRemoveAll()

  1255. 

  1256.     def pluginRemoveAll(self):

  1257.         if self.fPluginCount == 0:

  1258.             return

  1259. 

  1260.         self.fCurrentlyRemovingAllPlugins = True

  1261.         self.projectLoadingStarted()

  1262. 

  1263.         if not self.host.remove_all_plugins():

  1264.             self.projectLoadingFinished()

  1265.             self.fCurrentlyRemovingAllPlugins = False

  1266.             CustomMessageBox(self, QMessageBox.Warning, self.tr("Error"), self.tr("Operation failed"),

  1267.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1268. 

  1269.     @pyqtSlot()

  1270.     def slot_jackAppAdd(self):

  1271.         data = self.showAddJackAppDialog()

  1272. 

  1273.         if data is None:

  1274.             return

  1275. 

  1276.         filename, name, label = data

  1277. 

  1278.         if not filename:

  1279.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Cannot add jack application"),

  1280.                                    self.tr("command is empty"), QMessageBox.Ok, QMessageBox.Ok)

  1281.             return

  1282. 

  1283.         if not self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, filename, name, label, 0, None, PLUGIN_OPTIONS_NULL):

  1284.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1285.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1286. 

  1287.     # --------------------------------------------------------------------------------------------------------

  1288.     # Plugins (macros)

  1289. 

  1290.     @pyqtSlot()

  1291.     def slot_pluginsEnable(self):

  1292.         if not self.host.is_engine_running():

  1293.             return

  1294. 

  1295.         for pitem in self.fPluginList:

  1296.             if pitem is None:

  1297.                 break

  1298. 

  1299.             pitem.getWidget().setActive(True, True, True)

  1300. 

  1301.     @pyqtSlot()

  1302.     def slot_pluginsDisable(self):

  1303.         if not self.host.is_engine_running():

  1304.             return

  1305. 

  1306.         for pitem in self.fPluginList:

  1307.             if pitem is None:

  1308.                 break

  1309. 

  1310.             pitem.getWidget().setActive(False, True, True)

  1311. 

  1312.     @pyqtSlot()

  1313.     def slot_pluginsVolume100(self):

  1314.         if not self.host.is_engine_running():

  1315.             return

  1316. 

  1317.         for pitem in self.fPluginList:

  1318.             if pitem is None:

  1319.                 break

  1320. 

  1321.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 1.0)

  1322. 

  1323.     @pyqtSlot()

  1324.     def slot_pluginsMute(self):

  1325.         if not self.host.is_engine_running():

  1326.             return

  1327. 

  1328.         for pitem in self.fPluginList:

  1329.             if pitem is None:

  1330.                 break

  1331. 

  1332.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 0.0)

  1333. 

  1334.     @pyqtSlot()

  1335.     def slot_pluginsWet100(self):

  1336.         if not self.host.is_engine_running():

  1337.             return

  1338. 

  1339.         for pitem in self.fPluginList:

  1340.             if pitem is None:

  1341.                 break

  1342. 

  1343.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 1.0)

  1344. 

  1345.     @pyqtSlot()

  1346.     def slot_pluginsBypass(self):

  1347.         if not self.host.is_engine_running():

  1348.             return

  1349. 

  1350.         for pitem in self.fPluginList:

  1351.             if pitem is None:

  1352.                 break

  1353. 

  1354.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 0.0)

  1355. 

  1356.     @pyqtSlot()

  1357.     def slot_pluginsCenter(self):

  1358.         if not self.host.is_engine_running():

  1359.             return

  1360. 

  1361.         for pitem in self.fPluginList:

  1362.             if pitem is None:

  1363.                 break

  1364. 

  1365.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1366.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1367.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1368. 

  1369.     @pyqtSlot()

  1370.     def slot_pluginsCompact(self):

  1371.         for pitem in self.fPluginList:

  1372.             if pitem is None:

  1373.                 break

  1374.             pitem.compact()

  1375. 

  1376.     @pyqtSlot()

  1377.     def slot_pluginsExpand(self):

  1378.         for pitem in self.fPluginList:

  1379.             if pitem is None:

  1380.                 break

  1381.             pitem.expand()

  1382. 

  1383.     # --------------------------------------------------------------------------------------------------------

  1384.     # Plugins (host callbacks)

  1385. 

  1386.     @pyqtSlot(int, str)

  1387.     def slot_handlePluginAddedCallback(self, pluginId, pluginName):

  1388.         if pluginId != self.fPluginCount:

  1389.             print("ERROR: pluginAdded mismatch Id:", pluginId, self.fPluginCount)

  1390.             pitem = self.getPluginItem(pluginId)

  1391.             pitem.recreateWidget()

  1392.             return

  1393. 

  1394.         pitem = self.ui.listWidget.createItem(pluginId)

  1395.         self.fPluginList.append(pitem)

  1396.         self.fPluginCount += 1

  1397. 

  1398.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1399. 

  1400.     @pyqtSlot(int)

  1401.     def slot_handlePluginRemovedCallback(self, pluginId):

  1402.         if self.fWithCanvas:

  1403.             patchcanvas.handlePluginRemoved(pluginId)

  1404. 

  1405.         if pluginId in self.fSelectedPlugins:

  1406.             self.clearSideStuff()

  1407. 

  1408.         if self.fPluginCount == 0:

  1409.             return

  1410. 

  1411.         pitem = self.getPluginItem(pluginId)

  1412. 

  1413.         self.fPluginCount -= 1

  1414.         self.fPluginList.pop(pluginId)

  1415.         self.ui.listWidget.takeItem(pluginId)

  1416. 

  1417.         if pitem is not None:

  1418.             pitem.close()

  1419.             del pitem

  1420. 

  1421.         if self.fPluginCount == 0:

  1422.             self.ui.act_plugin_remove_all.setEnabled(False)

  1423.             if self.fCurrentlyRemovingAllPlugins:

  1424.                 self.fCurrentlyRemovingAllPlugins = False

  1425.                 self.projectLoadingFinished()

  1426.             return

  1427. 

  1428.         # push all plugins 1 slot back

  1429.         for i in range(pluginId, self.fPluginCount):

  1430.             pitem = self.fPluginList[i]

  1431.             pitem.setPluginId(i)

  1432. 

  1433.         self.ui.act_plugin_remove_all.setEnabled(True)

  1434. 

  1435.     # --------------------------------------------------------------------------------------------------------

  1436.     # Canvas

  1437. 

  1438.     def clearSideStuff(self):

  1439.         if self.fWithCanvas:

  1440.             self.scene.clearSelection()

  1441. 

  1442.         self.fSelectedPlugins = []

  1443. 

  1444.         self.ui.keyboard.allNotesOff(False)

  1445.         self.ui.scrollArea.setEnabled(False)

  1446. 

  1447.         self.fPeaksCleared = True

  1448.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1449.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1450.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1451.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1452. 

  1453.     def setupCanvas(self):

  1454.         pOptions = patchcanvas.options_t()

  1455.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1456.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1457.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1458.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1459.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1460.         pOptions.inline_displays   = self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS]

  1461. 

  1462.         if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY]:

  1463.             pOptions.eyecandy = patchcanvas.EYECANDY_FULL

  1464.         elif self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]:

  1465.             pOptions.eyecandy = patchcanvas.EYECANDY_SMALL

  1466.         else:

  1467.             pOptions.eyecandy = patchcanvas.EYECANDY_NONE

  1468. 

  1469.         pFeatures = patchcanvas.features_t()

  1470.         pFeatures.group_info   = False

  1471.         pFeatures.group_rename = False

  1472.         pFeatures.port_info    = False

  1473.         pFeatures.port_rename  = False

  1474.         pFeatures.handle_group_pos = False

  1475. 

  1476.         patchcanvas.setOptions(pOptions)

  1477.         patchcanvas.setFeatures(pFeatures)

  1478.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1479. 

  1480.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1481. 

  1482.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1483.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1484.             self.fCanvasHeight = int(tryCanvasSize[1])

  1485.         else:

  1486.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1487.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1488. 

  1489.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1490.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1491.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1492. 

  1493.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1494.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1495. 

  1496.         if self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] != patchcanvas.ANTIALIASING_NONE:

  1497.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, True)

  1498. 

  1499.             fullAA = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] == patchcanvas.ANTIALIASING_FULL

  1500.             self.ui.graphicsView.setRenderHint(QPainter.SmoothPixmapTransform, fullAA)

  1501.             self.ui.graphicsView.setRenderHint(QPainter.TextAntialiasing, fullAA)

  1502. 

  1503.             if self.fSavedSettings[CARLA_KEY_CANVAS_USE_OPENGL] and hasGL:

  1504.                 self.ui.graphicsView.setRenderHint(QPainter.HighQualityAntialiasing, self.fSavedSettings[CARLA_KEY_CANVAS_HQ_ANTIALIASING])

  1505. 

  1506.         else:

  1507.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, False)

  1508. 

  1509.         if self.fSavedSettings[CARLA_KEY_CANVAS_FULL_REPAINTS]:

  1510.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.FullViewportUpdate)

  1511.         else:

  1512.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.MinimalViewportUpdate)

  1513. 

  1514.     def updateCanvasInitialPos(self):

  1515.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1516.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1517.         patchcanvas.setInitialPos(x, y)

  1518. 

  1519.     def updateMiniCanvasLater(self):

  1520.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1521. 

  1522.     # --------------------------------------------------------------------------------------------------------

  1523.     # Canvas (menu actions)

  1524. 

  1525.     @pyqtSlot()

  1526.     def slot_canvasShowInternal(self):

  1527.         self.fExternalPatchbay = False

  1528.         self.ui.act_canvas_show_internal.blockSignals(True)

  1529.         self.ui.act_canvas_show_external.blockSignals(True)

  1530.         self.ui.act_canvas_show_internal.setChecked(True)

  1531.         self.ui.act_canvas_show_external.setChecked(False)

  1532.         self.ui.act_canvas_show_internal.blockSignals(False)

  1533.         self.ui.act_canvas_show_external.blockSignals(False)

  1534.         self.slot_canvasRefresh()

  1535. 

  1536.     @pyqtSlot()

  1537.     def slot_canvasShowExternal(self):

  1538.         self.fExternalPatchbay = True

  1539.         self.ui.act_canvas_show_internal.blockSignals(True)

  1540.         self.ui.act_canvas_show_external.blockSignals(True)

  1541.         self.ui.act_canvas_show_internal.setChecked(False)

  1542.         self.ui.act_canvas_show_external.setChecked(True)

  1543.         self.ui.act_canvas_show_internal.blockSignals(False)

  1544.         self.ui.act_canvas_show_external.blockSignals(False)

  1545.         self.slot_canvasRefresh()

  1546. 

  1547.     @pyqtSlot()

  1548.     def slot_canvasArrange(self):

  1549.         patchcanvas.arrange()

  1550. 

  1551.     @pyqtSlot()

  1552.     def slot_canvasRefresh(self):

  1553.         patchcanvas.clear()

  1554. 

  1555.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1556.             return

  1557. 

  1558.         if self.host.is_engine_running():

  1559.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1560. 

  1561.         self.updateMiniCanvasLater()

  1562. 

  1563.     @pyqtSlot()

  1564.     def slot_canvasZoomFit(self):

  1565.         self.scene.zoom_fit()

  1566. 

  1567.     @pyqtSlot()

  1568.     def slot_canvasZoomIn(self):

  1569.         self.scene.zoom_in()

  1570. 

  1571.     @pyqtSlot()

  1572.     def slot_canvasZoomOut(self):

  1573.         self.scene.zoom_out()

  1574. 

  1575.     @pyqtSlot()

  1576.     def slot_canvasZoomReset(self):

  1577.         self.scene.zoom_reset()

  1578. 

  1579.     def _canvasImageRender(self, zoom = 1.0):

  1580.         image   = QImage(self.scene.width()*zoom, self.scene.height()*zoom, QImage.Format_RGB32)

  1581.         painter = QPainter(image)

  1582.         painter.save()

  1583.         painter.setRenderHints(painter.renderHints() | QPainter.Antialiasing | QPainter.TextAntialiasing)

  1584.         self.scene.clearSelection()

  1585.         self.scene.render(painter)

  1586.         painter.restore()

  1587.         del painter

  1588.         return image

  1589. 

  1590.     def _canvasImageWrite(self, iw: QImageWriter, imgFormat: bytes, image: QImage):

  1591.         iw.setFormat(imgFormat)

  1592.         iw.setCompression(-1)

  1593.         if QT_VERSION >= 0x50500:

  1594.             iw.setOptimizedWrite(True)

  1595.         iw.write(image)

  1596. 

  1597.     @pyqtSlot()

  1598.     def slot_canvasSaveImage(self):

  1599.         if self.fProjectFilename:

  1600.             dir = QFileInfo(self.fProjectFilename).absoluteDir().absolutePath()

  1601.         else:

  1602.             dir = self.fSavedSettings[CARLA_KEY_MAIN_PROJECT_FOLDER]

  1603. 

  1604.         fileDialog = QFileDialog(self)

  1605.         fileDialog.setAcceptMode(QFileDialog.AcceptSave)

  1606.         fileDialog.setDirectory(dir)

  1607.         fileDialog.setFileMode(QFileDialog.AnyFile)

  1608.         fileDialog.setMimeTypeFilters(("image/png", "image/jpeg"))

  1609.         fileDialog.setNameFilter(self.tr("Images (*.png *.jpg)"))

  1610.         fileDialog.setOptions(QFileDialog.DontUseCustomDirectoryIcons)

  1611.         fileDialog.setWindowTitle(self.tr("Save Image"))

  1612. 

  1613.         ok = fileDialog.exec_()

  1614. 

  1615.         if not ok:

  1616.             return

  1617. 

  1618.         newPath = fileDialog.selectedFiles()

  1619. 

  1620.         if len(newPath) != 1:

  1621.             return

  1622. 

  1623.         newPath = newPath[0]

  1624. 

  1625.         if QT_VERSION >= 0x50900:

  1626.             if fileDialog.selectedMimeTypeFilter() == "image/jpeg":

  1627.                 imgFormat = b"JPG"

  1628.             else:

  1629.                 imgFormat = b"PNG"

  1630.         else:

  1631.             if newPath.lower().endswith((".jpg", ".jpeg")):

  1632.                 imgFormat = b"JPG"

  1633.             else:

  1634.                 imgFormat = b"PNG"

  1635. 

  1636.         sender = self.sender()

  1637.         if sender == self.ui.act_canvas_save_image_2x:

  1638.             zoom = 2.0

  1639.         elif sender == self.ui.act_canvas_save_image_4x:

  1640.             zoom = 4.0

  1641.         else:

  1642.             zoom = 1.0

  1643. 

  1644.         image = self._canvasImageRender(zoom)

  1645.         iw = QImageWriter(newPath)

  1646.         self._canvasImageWrite(iw, imgFormat, image)

  1647. 

  1648.     @pyqtSlot()

  1649.     def slot_canvasCopyToClipboard(self):

  1650.         buffer = QBuffer()

  1651.         buffer.open(QIODevice.WriteOnly)

  1652. 

  1653.         image = self._canvasImageRender()

  1654.         iw = QImageWriter(buffer, b"PNG")

  1655.         self._canvasImageWrite(iw, b"PNG", image)

  1656. 

  1657.         buffer.close()

  1658. 

  1659.         mimeData = QMimeData()

  1660.         mimeData.setData("image/png", buffer.buffer());

  1661. 

  1662.         QApplication.clipboard().setMimeData(mimeData)

  1663. 

  1664.     # --------------------------------------------------------------------------------------------------------

  1665.     # Canvas (canvas callbacks)

  1666. 

  1667.     @pyqtSlot()

  1668.     def slot_canvasSelectionChanged(self):

  1669.         self.updateMiniCanvasLater()

  1670. 

  1671.     @pyqtSlot(float)

  1672.     def slot_canvasScaleChanged(self, scale):

  1673.         self.ui.miniCanvasPreview.setViewScale(scale)

  1674. 

  1675.     @pyqtSlot(list)

  1676.     def slot_canvasPluginSelected(self, pluginList):

  1677.         self.ui.keyboard.allNotesOff(False)

  1678.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1679.         self.fSelectedPlugins = pluginList

  1680. 

  1681.     # --------------------------------------------------------------------------------------------------------

  1682.     # Canvas (host callbacks)

  1683. 

  1684.     @pyqtSlot(int, int, int, str)

  1685.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1686.         pcSplit = patchcanvas.SPLIT_UNDEF

  1687.         pcIcon  = patchcanvas.ICON_APPLICATION

  1688. 

  1689.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1690.             pcIcon = patchcanvas.ICON_PLUGIN

  1691.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1692.             pcIcon = patchcanvas.ICON_HARDWARE

  1693.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1694.             pass

  1695.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1696.             pcIcon = patchcanvas.ICON_DISTRHO

  1697.         elif clientIcon == PATCHBAY_ICON_FILE:

  1698.             pcIcon = patchcanvas.ICON_FILE

  1699. 

  1700.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1701. 

  1702.         self.updateMiniCanvasLater()

  1703. 

  1704.         if pluginId < 0:

  1705.             return

  1706.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1707.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1708.             return

  1709. 

  1710.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1711.             hasCustomUI = False

  1712.             hasInlineDisplay = False

  1713.         else:

  1714.             hints = self.host.get_plugin_info(pluginId)['hints']

  1715.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1716.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1717. 

  1718.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1719. 

  1720.     @pyqtSlot(int)

  1721.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1722.         patchcanvas.removeGroup(clientId)

  1723.         self.updateMiniCanvasLater()

  1724. 

  1725.     @pyqtSlot(int, str)

  1726.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1727.         patchcanvas.renameGroup(clientId, newClientName)

  1728.         self.updateMiniCanvasLater()

  1729. 

  1730.     @pyqtSlot(int, int, int)

  1731.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1732.         pcIcon = patchcanvas.ICON_APPLICATION

  1733. 

  1734.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1735.             pcIcon = patchcanvas.ICON_PLUGIN

  1736.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1737.             pcIcon = patchcanvas.ICON_HARDWARE

  1738.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1739.             pass

  1740.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1741.             pcIcon = patchcanvas.ICON_DISTRHO

  1742.         elif clientIcon == PATCHBAY_ICON_FILE:

  1743.             pcIcon = patchcanvas.ICON_FILE

  1744. 

  1745.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1746.         self.updateMiniCanvasLater()

  1747. 

  1748.         if pluginId < 0:

  1749.             return

  1750.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1751.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1752.             return

  1753. 

  1754.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1755.             hasCustomUI = False

  1756.             hasInlineDisplay = False

  1757.         else:

  1758.             hints = self.host.get_plugin_info(pluginId)['hints']

  1759.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1760.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1761. 

  1762.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1763. 

  1764.     @pyqtSlot(int, int, int, int, int)

  1765.     def slot_handlePatchbayClientPositionChangedCallback(self, clientId, x1, y1, x2, y2):

  1766.         if (x1 != 0 and x2 != 0) or (y1 != 0 and y2 != 0):

  1767.             patchcanvas.splitGroup(clientId)

  1768.         else:

  1769.             patchcanvas.joinGroup(clientId)

  1770.         patchcanvas.setGroupPosFull(clientId, x1, y1, x2, y2)

  1771.         self.updateMiniCanvasLater()

  1772. 

  1773.     @pyqtSlot(int, int, int, int, str)

  1774.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portGroupId, portName):

  1775.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1776.             portMode = patchcanvas.PORT_MODE_INPUT

  1777.         else:

  1778.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1779. 

  1780.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1781.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1782.             isAlternate = False

  1783.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1784.             portType    = patchcanvas.PORT_TYPE_PARAMETER

  1785.             isAlternate = False

  1786.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1787.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1788.             isAlternate = False

  1789.         else:

  1790.             portType    = patchcanvas.PORT_TYPE_NULL

  1791.             isAlternate = False

  1792. 

  1793.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1794.         self.updateMiniCanvasLater()

  1795. 

  1796.     @pyqtSlot(int, int)

  1797.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  1798.         patchcanvas.removePort(groupId, portId)

  1799.         self.updateMiniCanvasLater()

  1800. 

  1801.     @pyqtSlot(int, int, int, int, str)

  1802.     def slot_handlePatchbayPortChangedCallback(self, groupId, portId, portFlags, portGroupId, newPortName):

  1803.         patchcanvas.renamePort(groupId, portId, newPortName)

  1804.         self.updateMiniCanvasLater()

  1805. 

  1806.     @pyqtSlot(int, int, int, str)

  1807.     def slot_handlePatchbayPortGroupAddedCallback(self, groupId, portId, portGroupId, newPortName):

  1808.         # TODO

  1809.         pass

  1810. 

  1811.     @pyqtSlot(int, int)

  1812.     def slot_handlePatchbayPortGroupRemovedCallback(self, groupId, portId):

  1813.         # TODO

  1814.         pass

  1815. 

  1816.     @pyqtSlot(int, int, int, str)

  1817.     def slot_handlePatchbayPortGroupChangedCallback(self, groupId, portId, portGroupId, newPortName):

  1818.         # TODO

  1819.         pass

  1820. 

  1821.     @pyqtSlot(int, int, int, int, int)

  1822.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1823.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1824.         self.updateMiniCanvasLater()

  1825. 

  1826.     @pyqtSlot(int, int, int)

  1827.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1828.         patchcanvas.disconnectPorts(connectionId)

  1829.         self.updateMiniCanvasLater()

  1830. 

  1831.     # --------------------------------------------------------------------------------------------------------

  1832.     # Settings

  1833. 

  1834.     def saveSettings(self):

  1835.         settings = QSafeSettings()

  1836. 

  1837.         settings.setValue("Geometry", self.saveGeometry())

  1838.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  1839. 

  1840.         if not self.host.isControl:

  1841.             settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  1842. 

  1843.         diskFolders = []

  1844. 

  1845.         for i in range(self.ui.cb_disk.count()):

  1846.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1847. 

  1848.         settings.setValue("DiskFolders", diskFolders)

  1849.         settings.setValue("LastBPM", self.fLastTransportBPM)

  1850. 

  1851.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1852.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1853.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1854.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1855. 

  1856.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_MODE,  self.host.transportMode)

  1857.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, self.host.transportExtra)

  1858. 

  1859.         return settings

  1860. 

  1861.     def loadSettings(self, firstTime):

  1862.         settings = QSafeSettings()

  1863. 

  1864.         if firstTime:

  1865.             geometry = settings.value("Geometry", QByteArray(), QByteArray)

  1866.             if not geometry.isNull():

  1867.                 self.restoreGeometry(geometry)

  1868. 

  1869.             showToolbar = settings.value("ShowToolbar", True, bool)

  1870.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1871.             self.ui.toolBar.setEnabled(showToolbar)

  1872.             self.ui.toolBar.setVisible(showToolbar)

  1873. 

  1874.             #if settings.contains("SplitterState"):

  1875.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  1876.             #else:

  1877.                 #self.ui.splitter.setSizes([210, 99999])

  1878. 

  1879.             showSidePanel = settings.value("ShowSidePanel", True, bool) and not self.host.isControl

  1880.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  1881.             self.slot_showSidePanel(showSidePanel)

  1882. 

  1883.             diskFolders = settings.value("DiskFolders", [HOME], list)

  1884. 

  1885.             self.ui.cb_disk.setItemData(0, HOME)

  1886. 

  1887.             for i in range(len(diskFolders)):

  1888.                 if i == 0: continue

  1889.                 folder = diskFolders[i]

  1890.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1891. 

  1892.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, bool):

  1893.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1894. 

  1895.             showMeters = settings.value("ShowMeters", True, bool)

  1896.             self.ui.act_settings_show_meters.setChecked(showMeters)

  1897.             self.ui.peak_in.setVisible(showMeters)

  1898.             self.ui.peak_out.setVisible(showMeters)

  1899. 

  1900.             showKeyboard = settings.value("ShowKeyboard", True, bool)

  1901.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  1902.             self.ui.scrollArea.setVisible(showKeyboard)

  1903. 

  1904.             settingsDBf = QSafeSettings("falkTX", "CarlaDatabase2")

  1905.             self.fFavoritePlugins = settingsDBf.value("PluginDatabase/Favorites", [], list)

  1906. 

  1907.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  1908. 

  1909.         # TODO - complete this

  1910. 

  1911.         self.fSavedSettings = {

  1912.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      str),

  1913.             CARLA_KEY_MAIN_CONFIRM_EXIT:        settings.value(CARLA_KEY_MAIN_CONFIRM_EXIT,        CARLA_DEFAULT_MAIN_CONFIRM_EXIT,        bool),

  1914.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    int),

  1915.             CARLA_KEY_MAIN_EXPERIMENTAL:        settings.value(CARLA_KEY_MAIN_EXPERIMENTAL,        CARLA_DEFAULT_MAIN_EXPERIMENTAL,        bool),

  1916.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             str),

  1917.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              str),

  1918.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  bool),

  1919.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, bool),

  1920.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  bool),

  1921.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         bool),

  1922.             CARLA_KEY_CANVAS_FANCY_EYE_CANDY:   settings.value(CARLA_KEY_CANVAS_FANCY_EYE_CANDY,   CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY,   bool),

  1923.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        bool),

  1924.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      int),

  1925.             CARLA_KEY_CANVAS_HQ_ANTIALIASING:   settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   bool),

  1926.             CARLA_KEY_CANVAS_FULL_REPAINTS:     settings.value(CARLA_KEY_CANVAS_FULL_REPAINTS,     CARLA_DEFAULT_CANVAS_FULL_REPAINTS,     bool),

  1927.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   bool) and

  1928.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", str).lower() == "black"),

  1929.         }

  1930. 

  1931.         if not self.host.isControl:

  1932.             self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS] = settings.value(CARLA_KEY_CANVAS_INLINE_DISPLAYS, CARLA_DEFAULT_CANVAS_INLINE_DISPLAYS, bool)

  1933.         else:

  1934.             self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS] = False

  1935. 

  1936.         settings2 = QSafeSettings("falkTX", "Carla2")

  1937. 

  1938.         if self.host.experimental:

  1939.             visible = settings2.value(CARLA_KEY_EXPERIMENTAL_JACK_APPS, CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS, bool)

  1940.             self.ui.act_plugin_add_jack.setVisible(visible)

  1941.         else:

  1942.             self.ui.act_plugin_add_jack.setVisible(False)

  1943. 

  1944.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY] else 0

  1945. 

  1946.         setEngineSettings(self.host)

  1947.         self.restartTimersIfNeeded()

  1948. 

  1949.         return settings

  1950. 

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

  1952.     # Settings (helpers)

  1953. 

  1954.     def enableTransport(self, enabled):

  1955.         self.ui.group_transport_controls.setEnabled(enabled)

  1956.         self.ui.group_transport_settings.setEnabled(enabled)

  1957. 

  1958.     @pyqtSlot()

  1959.     def slot_restoreCanvasScrollbarValues(self):

  1960.         settings = QSafeSettings()

  1961.         horiz = settings.value("HorizontalScrollBarValue", int(self.ui.graphicsView.horizontalScrollBar().maximum()/2), int)

  1962.         vertc = settings.value("VerticalScrollBarValue", int(self.ui.graphicsView.verticalScrollBar().maximum()/2), int)

  1963.         self.ui.graphicsView.horizontalScrollBar().setValue(horiz)

  1964.         self.ui.graphicsView.verticalScrollBar().setValue(vertc)

  1965. 

  1966.     # --------------------------------------------------------------------------------------------------------

  1967.     # Settings (menu actions)

  1968. 

  1969.     @pyqtSlot(bool)

  1970.     def slot_showSidePanel(self, yesNo):

  1971.         self.ui.dockWidget.setEnabled(yesNo)

  1972.         self.ui.dockWidget.setVisible(yesNo)

  1973. 

  1974.     @pyqtSlot(bool)

  1975.     def slot_showToolbar(self, yesNo):

  1976.         self.ui.toolBar.setEnabled(yesNo)

  1977.         self.ui.toolBar.setVisible(yesNo)

  1978. 

  1979.     @pyqtSlot(bool)

  1980.     def slot_showCanvasMeters(self, yesNo):

  1981.         self.ui.peak_in.setVisible(yesNo)

  1982.         self.ui.peak_out.setVisible(yesNo)

  1983.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1984. 

  1985.     @pyqtSlot(bool)

  1986.     def slot_showCanvasKeyboard(self, yesNo):

  1987.         self.ui.scrollArea.setVisible(yesNo)

  1988.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1989. 

  1990.     @pyqtSlot()

  1991.     def slot_configureCarla(self):

  1992.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  1993.         if not dialog.exec_():

  1994.             return

  1995. 

  1996.         self.loadSettings(False)

  1997. 

  1998.         if self.fWithCanvas:

  1999.             patchcanvas.clear()

  2000.             self.setupCanvas()

  2001.             self.slot_miniCanvasCheckAll()

  2002. 

  2003.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  2004.             pass

  2005.         elif self.host.is_engine_running():

  2006.             self.host.patchbay_refresh(self.fExternalPatchbay)

  2007. 

  2008.     # --------------------------------------------------------------------------------------------------------

  2009.     # About (menu actions)

  2010. 

  2011.     @pyqtSlot()

  2012.     def slot_aboutCarla(self):

  2013.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  2014. 

  2015.     @pyqtSlot()

  2016.     def slot_aboutJuce(self):

  2017.         JuceAboutW(self.fParentOrSelf).exec_()

  2018. 

  2019.     @pyqtSlot()

  2020.     def slot_aboutQt(self):

  2021.         QApplication.instance().aboutQt()

  2022. 

  2023.     # --------------------------------------------------------------------------------------------------------

  2024.     # Disk (menu actions)

  2025. 

  2026.     @pyqtSlot(int)

  2027.     def slot_diskFolderChanged(self, index):

  2028.         if index < 0:

  2029.             return

  2030.         elif index == 0:

  2031.             filename = HOME

  2032.             self.ui.b_disk_remove.setEnabled(False)

  2033.         else:

  2034.             filename = self.ui.cb_disk.itemData(index)

  2035.             self.ui.b_disk_remove.setEnabled(True)

  2036. 

  2037.         self.fDirModel.setRootPath(filename)

  2038.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  2039. 

  2040.     @pyqtSlot()

  2041.     def slot_diskFolderAdd(self):

  2042.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  2043. 

  2044.         if newPath:

  2045.             if newPath[-1] == os.sep:

  2046.                 newPath = newPath[:-1]

  2047.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  2048.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  2049.             self.ui.b_disk_remove.setEnabled(True)

  2050. 

  2051.     @pyqtSlot()

  2052.     def slot_diskFolderRemove(self):

  2053.         index = self.ui.cb_disk.currentIndex()

  2054. 

  2055.         if index <= 0:

  2056.             return

  2057. 

  2058.         self.ui.cb_disk.removeItem(index)

  2059. 

  2060.         if self.ui.cb_disk.currentIndex() == 0:

  2061.             self.ui.b_disk_remove.setEnabled(False)

  2062. 

  2063.     @pyqtSlot(QModelIndex)

  2064.     def slot_fileTreeDoubleClicked(self, modelIndex):

  2065.         filename = self.fDirModel.filePath(modelIndex)

  2066. 

  2067.         if not self.ui.listWidget.isDragUrlValid(filename):

  2068.             return

  2069. 

  2070.         if not self.host.load_file(filename):

  2071.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  2072.                              self.tr("Failed to load file"),

  2073.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2074.             return

  2075. 

  2076.         if filename.endswith(".carxp"):

  2077.             self.loadExternalCanvasGroupPositionsIfNeeded(filename)

  2078. 

  2079.     # --------------------------------------------------------------------------------------------------------

  2080.     # Transport

  2081. 

  2082.     def refreshTransport(self, forced = False):

  2083.         if not self.ui.l_transport_time.isVisible():

  2084.             return

  2085.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  2086.             return

  2087. 

  2088.         timeInfo = self.host.get_transport_info()

  2089.         playing  = timeInfo['playing']

  2090.         frame    = timeInfo['frame']

  2091.         bpm      = timeInfo['bpm']

  2092. 

  2093.         if playing != self.fLastTransportState or forced:

  2094.             if playing:

  2095.                 icon = QIcon(":/16x16/media-playback-pause.svgz")

  2096.                 self.ui.b_transport_play.setChecked(True)

  2097.                 self.ui.b_transport_play.setIcon(icon)

  2098.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  2099.             else:

  2100.                 icon = QIcon(":/16x16/media-playback-start.svgz")

  2101.                 self.ui.b_transport_play.setChecked(False)

  2102.                 self.ui.b_transport_play.setIcon(icon)

  2103.                 #self.ui.b_play.setText(self.tr("&Play"))

  2104. 

  2105.             self.fLastTransportState = playing

  2106. 

  2107.         if frame != self.fLastTransportFrame or forced:

  2108.             self.fLastTransportFrame = frame

  2109. 

  2110.             time = frame / self.fSampleRate

  2111.             secs =  time % 60

  2112.             mins = (time / 60) % 60

  2113.             hrs  = (time / 3600) % 60

  2114.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  2115. 

  2116.             frame1 =  frame % 1000

  2117.             frame2 = (frame / 1000) % 1000

  2118.             frame3 = (frame / 1000000) % 1000

  2119.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  2120. 

  2121.             bar  = timeInfo['bar']

  2122.             beat = timeInfo['beat']

  2123.             tick = timeInfo['tick']

  2124.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  2125. 

  2126.         if bpm != self.fLastTransportBPM or forced:

  2127.             self.fLastTransportBPM = bpm

  2128. 

  2129.             if bpm > 0.0:

  2130.                 self.ui.dsb_transport_bpm.blockSignals(True)

  2131.                 self.ui.dsb_transport_bpm.setValue(bpm)

  2132.                 self.ui.dsb_transport_bpm.blockSignals(False)

  2133.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  2134.             else:

  2135.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  2136. 

  2137.     # --------------------------------------------------------------------------------------------------------

  2138.     # Transport (menu actions)

  2139. 

  2140.     @pyqtSlot(bool)

  2141.     def slot_transportPlayPause(self, toggled):

  2142.         if self.host.isPlugin or not self.host.is_engine_running():

  2143.             return

  2144. 

  2145.         if toggled:

  2146.             self.host.transport_play()

  2147.         else:

  2148.             self.host.transport_pause()

  2149. 

  2150.         self.refreshTransport()

  2151. 

  2152.     @pyqtSlot()

  2153.     def slot_transportStop(self):

  2154.         if self.host.isPlugin or not self.host.is_engine_running():

  2155.             return

  2156. 

  2157.         self.host.transport_pause()

  2158.         self.host.transport_relocate(0)

  2159. 

  2160.         self.refreshTransport()

  2161. 

  2162.     @pyqtSlot()

  2163.     def slot_transportBackwards(self):

  2164.         if self.host.isPlugin or not self.host.is_engine_running():

  2165.             return

  2166. 

  2167.         newFrame = self.host.get_current_transport_frame() - 100000

  2168. 

  2169.         if newFrame < 0:

  2170.             newFrame = 0

  2171. 

  2172.         self.host.transport_relocate(newFrame)

  2173. 

  2174.     @pyqtSlot(float)

  2175.     def slot_transportBpmChanged(self, newValue):

  2176.         self.host.transport_bpm(newValue)

  2177. 

  2178.     @pyqtSlot()

  2179.     def slot_transportForwards(self):

  2180.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  2181.             return

  2182. 

  2183.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  2184.         self.host.transport_relocate(newFrame)

  2185. 

  2186.     @pyqtSlot(bool)

  2187.     def slot_transportJackEnabled(self, clicked):

  2188.         if not self.host.is_engine_running():

  2189.             return

  2190.         self.host.transportMode = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  2191.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  2192.                                     self.host.transportMode,

  2193.                                     self.host.transportExtra)

  2194. 

  2195.     @pyqtSlot(bool)

  2196.     def slot_transportLinkEnabled(self, clicked):

  2197.         if not self.host.is_engine_running():

  2198.             return

  2199.         extra = ":link:" if clicked else ""

  2200.         self.host.transportExtra = extra

  2201.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  2202.                                     self.host.transportMode,

  2203.                                     self.host.transportExtra)

  2204. 

  2205.     # --------------------------------------------------------------------------------------------------------

  2206.     # Other

  2207. 

  2208.     @pyqtSlot(bool)

  2209.     def slot_xrunClear(self):

  2210.         self.host.clear_engine_xruns()

  2211. 

  2212.     # --------------------------------------------------------------------------------------------------------

  2213.     # Canvas scrollbars

  2214. 

  2215.     @pyqtSlot(int)

  2216.     def slot_horizontalScrollBarChanged(self, value):

  2217.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  2218.         if maximum == 0:

  2219.             xp = 0

  2220.         else:

  2221.             xp = float(value) / maximum

  2222.         self.ui.miniCanvasPreview.setViewPosX(xp)

  2223.         self.updateCanvasInitialPos()

  2224. 

  2225.     @pyqtSlot(int)

  2226.     def slot_verticalScrollBarChanged(self, value):

  2227.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  2228.         if maximum == 0:

  2229.             yp = 0

  2230.         else:

  2231.             yp = float(value) / maximum

  2232.         self.ui.miniCanvasPreview.setViewPosY(yp)

  2233.         self.updateCanvasInitialPos()

  2234. 

  2235.     # --------------------------------------------------------------------------------------------------------

  2236.     # Canvas keyboard

  2237. 

  2238.     @pyqtSlot(int)

  2239.     def slot_noteOn(self, note):

  2240.         for pluginId in self.fSelectedPlugins:

  2241.             self.host.send_midi_note(pluginId, 0, note, 100)

  2242. 

  2243.             pedit = self.getPluginEditDialog(pluginId)

  2244.             pedit.noteOn(0, note, 100)

  2245. 

  2246.     @pyqtSlot(int)

  2247.     def slot_noteOff(self, note):

  2248.         for pluginId in self.fSelectedPlugins:

  2249.             self.host.send_midi_note(pluginId, 0, note, 0)

  2250. 

  2251.             pedit = self.getPluginEditDialog(pluginId)

  2252.             pedit.noteOff(0, note)

  2253. 

  2254.     # --------------------------------------------------------------------------------------------------------

  2255.     # Canvas keyboard (host callbacks)

  2256. 

  2257.     @pyqtSlot(int, int, int, int)

  2258.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  2259.         if pluginId in self.fSelectedPlugins:

  2260.             self.ui.keyboard.sendNoteOn(note, False)

  2261. 

  2262.     @pyqtSlot(int, int, int)

  2263.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  2264.         if pluginId in self.fSelectedPlugins:

  2265.             self.ui.keyboard.sendNoteOff(note, False)

  2266. 

  2267.     # --------------------------------------------------------------------------------------------------------

  2268. 

  2269.     @pyqtSlot(int)

  2270.     def slot_handleUpdateCallback(self, pluginId):

  2271.         pitem = self.getPluginItem(pluginId)

  2272. 

  2273.         if pitem is None:

  2274.             return

  2275. 

  2276.         wasCompacted = pitem.isCompacted()

  2277.         isCompacted  = wasCompacted

  2278. 

  2279.         check = self.host.get_custom_data_value(pluginId, CUSTOM_DATA_TYPE_PROPERTY, "CarlaSkinIsCompacted")

  2280.         if not check:

  2281.             return

  2282.         isCompacted = bool(check == "true")

  2283. 

  2284.         if wasCompacted == isCompacted:

  2285.             return

  2286. 

  2287.         pitem.recreateWidget(True)

  2288. 

  2289.     # --------------------------------------------------------------------------------------------------------

  2290.     # MiniCanvas stuff

  2291. 

  2292.     @pyqtSlot()

  2293.     def slot_miniCanvasCheckAll(self):

  2294.         self.slot_miniCanvasCheckSize()

  2295.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  2296.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  2297. 

  2298.     @pyqtSlot()

  2299.     def slot_miniCanvasCheckSize(self):

  2300.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  2301.             return

  2302. 

  2303.         currentIndex = self.ui.tabWidget.currentIndex()

  2304. 

  2305.         if currentIndex == 1:

  2306.             width  = self.ui.graphicsView.width()

  2307.             height = self.ui.graphicsView.height()

  2308.         else:

  2309.             self.ui.tabWidget.blockSignals(True)

  2310.             self.ui.tabWidget.setCurrentIndex(1)

  2311.             width  = self.ui.graphicsView.width()

  2312.             height = self.ui.graphicsView.height()

  2313.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  2314.             self.ui.tabWidget.blockSignals(False)

  2315. 

  2316.         self.scene.updateLimits()

  2317. 

  2318.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  2319. 

  2320.     @pyqtSlot(float, float)

  2321.     def slot_miniCanvasMoved(self, xp, yp):

  2322.         hsb = self.ui.graphicsView.horizontalScrollBar()

  2323.         vsb = self.ui.graphicsView.verticalScrollBar()

  2324.         hsb.setValue(xp * hsb.maximum())

  2325.         vsb.setValue(yp * vsb.maximum())

  2326.         self.updateCanvasInitialPos()

  2327. 

  2328.     # --------------------------------------------------------------------------------------------------------

  2329.     # Logs autoscroll, save and clear

  2330. 

  2331.     @pyqtSlot(int)

  2332.     def slot_toggleLogAutoscroll(self, checkState):

  2333.         self.autoscrollOnNewLog = checkState == Qt.Checked

  2334.         if self.autoscrollOnNewLog:

  2335.             self.ui.text_logs.verticalScrollBar().setValue(self.ui.text_logs.verticalScrollBar().maximum())

  2336. 

  2337.     @pyqtSlot(int)

  2338.     def slot_logSliderMoved(self, slider_pos):

  2339.         if self.ui.text_logs.verticalScrollBar().hasTracking() or self.autoscrollOnNewLog:

  2340.             self.lastLogSliderPos = slider_pos

  2341.         else:

  2342.             self.ui.text_logs.verticalScrollBar().setValue(self.lastLogSliderPos)

  2343. 

  2344.     @pyqtSlot()

  2345.     def slot_logButtonsState(self, enabled=True):

  2346.         self.ui.logs_clear.setEnabled(enabled)

  2347.         self.ui.logs_save.setEnabled(enabled)

  2348. 

  2349.     @pyqtSlot()

  2350.     def slot_logSave(self):

  2351.         filename = os.path.join(self.fSavedSettings[CARLA_KEY_MAIN_PROJECT_FOLDER], 'carla_log.txt')

  2352.         filename, _ = QFileDialog.getSaveFileName(self, self.tr("Save Logs"), filename)

  2353. 

  2354.         if not filename:

  2355.             return

  2356. 

  2357.         try:

  2358.             with open(filename, "w") as logfile:

  2359.                 logfile.write(self.ui.text_logs.toPlainText())

  2360.                 logfile.close()

  2361.         except:

  2362.             return

  2363. 

  2364.     @pyqtSlot()

  2365.     def slot_logClear(self):

  2366.         self.ui.text_logs.clear()

  2367.         self.ui.text_logs.appendPlainText("======= Logs cleared ========")

  2368.         self.slot_logButtonsState(False)

  2369. 

  2370.     # --------------------------------------------------------------------------------------------------------

  2371.     # Timers

  2372. 

  2373.     def startTimers(self):

  2374.         if self.fIdleTimerFast == 0:

  2375.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2376. 

  2377.         if self.fIdleTimerSlow == 0:

  2378.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2379. 

  2380.     def restartTimersIfNeeded(self):

  2381.         if self.fIdleTimerFast != 0:

  2382.             self.killTimer(self.fIdleTimerFast)

  2383.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2384. 

  2385.         if self.fIdleTimerSlow != 0:

  2386.             self.killTimer(self.fIdleTimerSlow)

  2387.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2388. 

  2389.     def killTimers(self):

  2390.         if self.fIdleTimerFast != 0:

  2391.             self.killTimer(self.fIdleTimerFast)

  2392.             self.fIdleTimerFast = 0

  2393. 

  2394.         if self.fIdleTimerSlow != 0:

  2395.             self.killTimer(self.fIdleTimerSlow)

  2396.             self.fIdleTimerSlow = 0

  2397. 

  2398.     # --------------------------------------------------------------------------------------------------------

  2399.     # Misc

  2400. 

  2401.     @pyqtSlot(int)

  2402.     def slot_tabChanged(self, index):

  2403.         if index != 1:

  2404.             return

  2405. 

  2406.         self.ui.graphicsView.setFocus()

  2407. 

  2408.     @pyqtSlot(int)

  2409.     def slot_handleReloadAllCallback(self, pluginId):

  2410.         if pluginId >= self.fPluginCount:

  2411.             return

  2412. 

  2413.         pitem = self.fPluginList[pluginId]

  2414.         if pitem is None:

  2415.             return

  2416. 

  2417.         pitem.recreateWidget()

  2418. 

  2419.     # --------------------------------------------------------------------------------------------------------

  2420. 

  2421.     @pyqtSlot(int, int, str)

  2422.     def slot_handleNSMCallback(self, opcode, valueInt, valueStr):

  2423.         if opcode == NSM_CALLBACK_INIT:

  2424.             return

  2425. 

  2426.         # Error

  2427.         elif opcode == NSM_CALLBACK_ERROR:

  2428.             pass

  2429. 

  2430.         # Reply

  2431.         elif opcode == NSM_CALLBACK_ANNOUNCE:

  2432.             self.fFirstEngineInit    = False

  2433.             self.fSessionManagerName = valueStr

  2434.             self.setProperWindowTitle()

  2435. 

  2436.             # If NSM server does not support optional-gui, revert our initial assumptions that it does

  2437.             if (valueInt & (1 << 1)) == 0x0:

  2438.                 self.fWindowCloseHideGui = False

  2439.                 self.ui.act_file_quit.setText(self.tr("&Quit"))

  2440.                 QApplication.instance().setQuitOnLastWindowClosed(True)

  2441.                 self.show()

  2442. 

  2443.         # Open

  2444.         elif opcode == NSM_CALLBACK_OPEN:

  2445.             self.fClientName      = os.path.basename(valueStr)

  2446.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  2447.             self.setProperWindowTitle()

  2448. 

  2449.             self.fCustomStopAction = self.CUSTOM_ACTION_PROJECT_LOAD

  2450.             self.slot_engineStop(True)

  2451.             return

  2452. 

  2453.         # Save

  2454.         elif opcode == NSM_CALLBACK_SAVE:

  2455.             self.saveProjectNow()

  2456. 

  2457.         # Session is Loaded

  2458.         elif opcode == NSM_CALLBACK_SESSION_IS_LOADED:

  2459.             pass

  2460. 

  2461.         # Show Optional Gui

  2462.         elif opcode == NSM_CALLBACK_SHOW_OPTIONAL_GUI:

  2463.             self.show()

  2464. 

  2465.         # Hide Optional Gui

  2466.         elif opcode == NSM_CALLBACK_HIDE_OPTIONAL_GUI:

  2467.             self.hideForNSM()

  2468. 

  2469.         self.host.nsm_ready(opcode)

  2470. 

  2471.     # --------------------------------------------------------------------------------------------------------

  2472. 

  2473.     def fixLogText(self, text):

  2474.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  2475. 

  2476.     @pyqtSlot(int, int, int, int, float, str)

  2477.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valuef, valueStr):

  2478.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  2479. 

  2480.     @pyqtSlot(str)

  2481.     def slot_handleInfoCallback(self, info):

  2482.         QMessageBox.information(self, "Information", info)

  2483. 

  2484.     @pyqtSlot(str)

  2485.     def slot_handleErrorCallback(self, error):

  2486.         QMessageBox.critical(self, "Error", error)

  2487. 

  2488.     @pyqtSlot()

  2489.     def slot_handleQuitCallback(self):

  2490.         self.fIsProjectLoading = False

  2491.         self.killTimers()

  2492.         self.removeAllPlugins()

  2493.         self.projectLoadingFinished()

  2494. 

  2495.     @pyqtSlot(int)

  2496.     def slot_handleInlineDisplayRedrawCallback(self, pluginId):

  2497.         # FIXME

  2498.         if self.fIdleTimerSlow != 0 and self.fIdleTimerFast != 0 and pluginId < self.fPluginCount and not self.fIsProjectLoading:

  2499.             patchcanvas.redrawPluginGroup(pluginId)

  2500. 

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

  2502. 

  2503.     @pyqtSlot()

  2504.     def slot_handleSIGUSR1(self):

  2505.         print("Got SIGUSR1 -> Saving project now")

  2506.         self.slot_fileSave()

  2507. 

  2508.     @pyqtSlot()

  2509.     def slot_handleSIGTERM(self):

  2510.         print("Got SIGTERM -> Closing now")

  2511.         self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2512.         self.close()

  2513. 

  2514.     # --------------------------------------------------------------------------------------------------------

  2515.     # Internal stuff

  2516. 

  2517.     def getExtraPtr(self, plugin):

  2518.         ptype = plugin['type']

  2519. 

  2520.         if ptype == PLUGIN_LADSPA:

  2521.             uniqueId = plugin['uniqueId']

  2522. 

  2523.             self.maybeLoadRDFs()

  2524. 

  2525.             for rdfItem in self.fLadspaRdfList:

  2526.                 if rdfItem.UniqueID == uniqueId:

  2527.                     return pointer(rdfItem)

  2528. 

  2529.         elif ptype == PLUGIN_SF2:

  2530.             if plugin['name'].lower().endswith(" (16 outputs)"):

  2531.                 return self._true

  2532. 

  2533.         return None

  2534. 

  2535.     def maybeLoadRDFs(self):

  2536.         if not self.fLadspaRdfNeedsUpdate:

  2537.             return

  2538. 

  2539.         self.fLadspaRdfNeedsUpdate = False

  2540.         self.fLadspaRdfList = []

  2541. 

  2542.         if not haveLRDF:

  2543.             return

  2544. 

  2545.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  2546.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  2547. 

  2548.         if os.path.exists(frLadspaFile):

  2549.             frLadspa = open(frLadspaFile, 'r')

  2550. 

  2551.             try:

  2552.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  2553.             except:

  2554.                 pass

  2555. 

  2556.             frLadspa.close()

  2557. 

  2558.     # --------------------------------------------------------------------------------------------------------

  2559. 

  2560.     def getPluginCount(self):

  2561.         return self.fPluginCount

  2562. 

  2563.     def getPluginItem(self, pluginId):

  2564.         if pluginId >= self.fPluginCount:

  2565.             return None

  2566. 

  2567.         pitem = self.fPluginList[pluginId]

  2568.         if pitem is None:

  2569.             return None

  2570.         #if False:

  2571.             #return CarlaRackItem(self, 0, False)

  2572. 

  2573.         return pitem

  2574. 

  2575.     def getPluginEditDialog(self, pluginId):

  2576.         if pluginId >= self.fPluginCount:

  2577.             return None

  2578. 

  2579.         pitem = self.fPluginList[pluginId]

  2580.         if pitem is None:

  2581.             return None

  2582.         if False:

  2583.             return PluginEdit(self, self.host, 0)

  2584. 

  2585.         return pitem.getEditDialog()

  2586. 

  2587.     def getPluginSlotWidget(self, pluginId):

  2588.         if pluginId >= self.fPluginCount:

  2589.             return None

  2590. 

  2591.         pitem = self.fPluginList[pluginId]

  2592.         if pitem is None:

  2593.             return None

  2594.         #if False:

  2595.             #return AbstractPluginSlot()

  2596. 

  2597.         return pitem.getWidget()

  2598. 

  2599.     # --------------------------------------------------------------------------------------------------------

  2600. 

  2601.     def waitForPendingEvents(self):

  2602.         pass

  2603. 

  2604.     # --------------------------------------------------------------------------------------------------------

  2605.     # show/hide event

  2606. 

  2607.     def showEvent(self, event):

  2608.         self.getAndRefreshRuntimeInfo()

  2609.         self.refreshTransport(True)

  2610.         QMainWindow.showEvent(self, event)

  2611. 

  2612.         if QT_VERSION >= 0x50600:

  2613.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_UI_SCALE, int(self.devicePixelRatioF() * 1000), "")

  2614.             print("Frontend pixel ratio is", self.devicePixelRatioF())

  2615. 

  2616.         # set our gui as parent for all plugins UIs

  2617.         if self.host.manageUIs and not self.host.isControl:

  2618.             if MACOS:

  2619.                 nsViewPtr = int(self.winId())

  2620.                 winIdStr  = "%x" % gCarla.utils.cocoa_get_window(nsViewPtr)

  2621.             else:

  2622.                 winIdStr = "%x" % int(self.winId())

  2623.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2624. 

  2625.     def hideEvent(self, event):

  2626.         # disable parent

  2627.         if not self.host.isControl:

  2628.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2629. 

  2630.         QMainWindow.hideEvent(self, event)

  2631. 

  2632.     # --------------------------------------------------------------------------------------------------------

  2633.     # resize event

  2634. 

  2635.     def resizeEvent(self, event):

  2636.         QMainWindow.resizeEvent(self, event)

  2637. 

  2638.         if self.fWithCanvas:

  2639.             self.slot_miniCanvasCheckSize()

  2640. 

  2641.     # --------------------------------------------------------------------------------------------------------

  2642.     # timer event

  2643. 

  2644.     def refreshRuntimeInfo(self, load, xruns):

  2645.         txt1 = str(xruns) if (xruns >= 0) else "--"

  2646.         txt2 = "" if (xruns == 1) else "s"

  2647.         self.ui.b_xruns.setText("%s Xrun%s" % (txt1, txt2))

  2648.         self.ui.pb_dsp_load.setValue(int(load))

  2649. 

  2650.     def getAndRefreshRuntimeInfo(self):

  2651.         if not self.ui.pb_dsp_load.isVisible():

  2652.             return

  2653.         if not self.host.is_engine_running():

  2654.             return

  2655.         info = self.host.get_runtime_engine_info()

  2656.         self.refreshRuntimeInfo(info['load'], info['xruns'])

  2657. 

  2658.     def idleFast(self):

  2659.         self.host.engine_idle()

  2660.         self.refreshTransport()

  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().idleFast()

  2670. 

  2671.         for pluginId in self.fSelectedPlugins:

  2672.             self.fPeaksCleared = False

  2673.             if self.ui.peak_in.isVisible():

  2674.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2675.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2676.             if self.ui.peak_out.isVisible():

  2677.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2678.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2679.             return

  2680. 

  2681.         if self.fPeaksCleared:

  2682.             return

  2683. 

  2684.         self.fPeaksCleared = True

  2685.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2686.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2687.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2688.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2689. 

  2690.     def idleSlow(self):

  2691.         self.getAndRefreshRuntimeInfo()

  2692. 

  2693.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2694.             return

  2695. 

  2696.         for pitem in self.fPluginList:

  2697.             if pitem is None:

  2698.                 break

  2699. 

  2700.             pitem.getWidget().idleSlow()

  2701. 

  2702.     def timerEvent(self, event):

  2703.         if event.timerId() == self.fIdleTimerFast:

  2704.             self.idleFast()

  2705. 

  2706.         elif event.timerId() == self.fIdleTimerSlow:

  2707.             self.idleSlow()

  2708. 

  2709.         QMainWindow.timerEvent(self, event)

  2710. 

  2711.     # --------------------------------------------------------------------------------------------------------

  2712.     # color/style change event

  2713. 

  2714.     def changeEvent(self, event):

  2715.         if event.type() in (QEvent.PaletteChange, QEvent.StyleChange):

  2716.             self.updateStyle()

  2717.         QMainWindow.changeEvent(self, event)

  2718. 

  2719.     def updateStyle(self):

  2720.         # Rack padding images setup

  2721.         rack_imgL = QImage(":/bitmaps/rack_padding_left.png")

  2722.         rack_imgR = QImage(":/bitmaps/rack_padding_right.png")

  2723. 

  2724.         min_value = 0.07

  2725. 

  2726.         if PYQT_VERSION >= 0x50600:

  2727.             value_fix = 1.0/(1.0-rack_imgL.scaled(1, 1, Qt.IgnoreAspectRatio, Qt.SmoothTransformation).pixelColor(0,0).blackF())

  2728.         else:

  2729.             value_fix = 1.5

  2730. 

  2731.         rack_pal = self.ui.rack.palette()

  2732.         bg_color = rack_pal.window().color()

  2733.         fg_color = rack_pal.text().color()

  2734.         bg_value = 1.0 - bg_color.blackF()

  2735.         if bg_value != 0.0 and bg_value < min_value:

  2736.             pad_color = bg_color.lighter(100*min_value/bg_value*value_fix)

  2737.         else:

  2738.             pad_color = QColor.fromHsvF(0.0, 0.0, min_value*value_fix)

  2739. 

  2740.         painter = QPainter()

  2741.         fillRect = rack_imgL.rect().adjusted(-1,-1,1,1)

  2742. 

  2743.         painter.begin(rack_imgL)

  2744.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2745.         painter.setBrush(pad_color)

  2746.         painter.drawRect(fillRect)

  2747.         painter.end()

  2748.         rack_pixmapL = QPixmap(rack_imgL)

  2749.         self.imgL_palette = QPalette()

  2750.         self.imgL_palette.setBrush(QPalette.Window, QBrush(rack_pixmapL))

  2751.         self.ui.pad_left.setPalette(self.imgL_palette)

  2752.         self.ui.pad_left.setAutoFillBackground(True)

  2753. 

  2754.         painter.begin(rack_imgR)

  2755.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2756.         painter.setBrush(pad_color)

  2757.         painter.drawRect(fillRect)

  2758.         painter.end()

  2759.         rack_pixmapR = QPixmap(rack_imgR)

  2760.         self.imgR_palette = QPalette()

  2761.         self.imgR_palette.setBrush(QPalette.Window, QBrush(rack_pixmapR))

  2762.         self.ui.pad_right.setPalette(self.imgR_palette)

  2763.         self.ui.pad_right.setAutoFillBackground(True)

  2764. 

  2765.         # qt's rgba is actually argb, so convert that

  2766.         bg_color_value = bg_color.rgba()

  2767.         bg_color_value = ((bg_color_value & 0xffffff) << 8) | (bg_color_value >> 24)

  2768. 

  2769.         fg_color_value = fg_color.rgba()

  2770.         fg_color_value = ((fg_color_value & 0xffffff) << 8) | (fg_color_value >> 24)

  2771. 

  2772.         self.host.set_engine_option(ENGINE_OPTION_FRONTEND_BACKGROUND_COLOR, bg_color_value, "")

  2773.         self.host.set_engine_option(ENGINE_OPTION_FRONTEND_FOREGROUND_COLOR, fg_color_value, "")

  2774. 

  2775.     # --------------------------------------------------------------------------------------------------------

  2776.     # paint event

  2777. 

  2778.     #def paintEvent(self, event):

  2779.         #QMainWindow.paintEvent(self, event)

  2780. 

  2781.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2782.             #return

  2783. 

  2784.         #painter = QPainter(self)

  2785.         #painter.setBrush(QColor(36, 36, 36))

  2786.         #painter.setPen(QColor(62, 62, 62))

  2787.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2788. 

  2789.     # --------------------------------------------------------------------------------------------------------

  2790.     # close event

  2791. 

  2792.     def shouldIgnoreClose(self):

  2793.         if self.host.isControl or self.host.isPlugin:

  2794.             return False

  2795.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  2796.             return False

  2797.         if self.fWindowCloseHideGui:

  2798.             return False

  2799.         if self.fSavedSettings[CARLA_KEY_MAIN_CONFIRM_EXIT]:

  2800.             return QMessageBox.question(self, self.tr("Quit"),

  2801.                                               self.tr("Are you sure you want to quit Carla?"),

  2802.                                               QMessageBox.Yes|QMessageBox.No) == QMessageBox.No

  2803.         return False

  2804. 

  2805.     def closeEvent(self, event):

  2806.         if self.shouldIgnoreClose():

  2807.             event.ignore()

  2808.             return

  2809. 

  2810.         if self.fWindowCloseHideGui and self.fCustomStopAction != self.CUSTOM_ACTION_APP_CLOSE:

  2811.             self.hideForNSM()

  2812.             self.host.nsm_ready(NSM_CALLBACK_HIDE_OPTIONAL_GUI)

  2813.             return

  2814. 

  2815.         patchcanvas.handleAllPluginsRemoved()

  2816. 

  2817.         if MACOS and self.fMacClosingHelper and not (self.host.isControl or self.host.isPlugin):

  2818.             self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2819.             self.fMacClosingHelper = False

  2820.             event.ignore()

  2821. 

  2822.             for i in reversed(range(self.fPluginCount)):

  2823.                 self.host.show_custom_ui(i, False)

  2824. 

  2825.             QTimer.singleShot(100, self.close)

  2826.             return

  2827. 

  2828.         self.killTimers()

  2829.         self.saveSettings()

  2830. 

  2831.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  2832.             if not self.slot_engineStop(True):

  2833.                 self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2834.                 event.ignore()

  2835.                 return

  2836. 

  2837.         QMainWindow.closeEvent(self, event)

  2838. 

  2839.         # if we reach this point, fully close ourselves

  2840.         gCarla.gui = None

  2841.         QApplication.instance().quit()

  2842. 

  2843. # ------------------------------------------------------------------------------------------------

  2844. # Canvas callback

  2845. 

  2846. def canvasCallback(action, value1, value2, valueStr):

  2847.     host = gCarla.gui.host

  2848. 

  2849.     if gCarla.gui.fCustomStopAction == HostWindow.CUSTOM_ACTION_APP_CLOSE:

  2850.         return

  2851. 

  2852.     if action == patchcanvas.ACTION_GROUP_INFO:

  2853.         pass

  2854. 

  2855.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  2856.         pass

  2857. 

  2858.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  2859.         groupId = value1

  2860.         patchcanvas.splitGroup(groupId)

  2861.         gCarla.gui.updateMiniCanvasLater()

  2862. 

  2863.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  2864.         groupId = value1

  2865.         patchcanvas.joinGroup(groupId)

  2866.         gCarla.gui.updateMiniCanvasLater()

  2867. 

  2868.     elif action == patchcanvas.ACTION_GROUP_POSITION:

  2869.         if gCarla.gui.fIsProjectLoading:

  2870.             return

  2871.         if not host.is_engine_running():

  2872.             return

  2873.         groupId = value1

  2874.         x1, y1, x2, y2 = tuple(int(i) for i in valueStr.split(":"))

  2875.         host.patchbay_set_group_pos(gCarla.gui.fExternalPatchbay, groupId, x1, y1, x2, y2)

  2876.         gCarla.gui.updateMiniCanvasLater()

  2877. 

  2878.     elif action == patchcanvas.ACTION_PORT_INFO:

  2879.         pass

  2880. 

  2881.     elif action == patchcanvas.ACTION_PORT_RENAME:

  2882.         pass

  2883. 

  2884.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  2885.         gOut, pOut, gIn, pIn = tuple(int(i) for i in valueStr.split(":"))

  2886. 

  2887.         if not host.patchbay_connect(gCarla.gui.fExternalPatchbay, gOut, pOut, gIn, pIn):

  2888.             print("Connection failed:", host.get_last_error())

  2889. 

  2890.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  2891.         connectionId = value1

  2892. 

  2893.         if not host.patchbay_disconnect(gCarla.gui.fExternalPatchbay, connectionId):

  2894.             print("Disconnect failed:", host.get_last_error())

  2895. 

  2896.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  2897.         pluginId = value1

  2898. 

  2899.         if not host.clone_plugin(pluginId):

  2900.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2901.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2902. 

  2903.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  2904.         pluginId = value1

  2905.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2906. 

  2907.         if pwidget is not None:

  2908.             pwidget.showEditDialog()

  2909. 

  2910.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  2911.         pluginId = value1

  2912.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2913. 

  2914.         if pwidget is not None:

  2915.             pwidget.showRenameDialog()

  2916. 

  2917.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  2918.         pluginId = value1

  2919.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2920. 

  2921.         if pwidget is not None:

  2922.             pwidget.showReplaceDialog()

  2923. 

  2924.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  2925.         pluginId = value1

  2926. 

  2927.         if not host.remove_plugin(pluginId):

  2928.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2929.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2930. 

  2931.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  2932.         pluginId = value1

  2933.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2934. 

  2935.         if pwidget is not None:

  2936.             pwidget.showCustomUI()

  2937. 

  2938.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  2939.         gCarla.gui.slot_showPluginActionsMenu()

  2940. 

  2941.     elif action == patchcanvas.ACTION_INLINE_DISPLAY:

  2942.         if gCarla.gui.fIsProjectLoading:

  2943.             return

  2944.         if not host.is_engine_running():

  2945.             return

  2946.         pluginId = value1

  2947.         width, height = [int(v) for v in valueStr.split(":")]

  2948.         return host.render_inline_display(pluginId, width, height)

  2949. 

  2950. # ------------------------------------------------------------------------------------------------------------

  2951. # Engine callback

  2952. 

  2953. def engineCallback(host, action, pluginId, value1, value2, value3, valuef, valueStr):

  2954.     # kdevelop likes this :)

  2955.     if False: host = CarlaHostNull()

  2956. 

  2957.     valueStr = charPtrToString(valueStr)

  2958. 

  2959.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  2960.         host.processMode   = value1

  2961.         host.transportMode = value2

  2962.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2963.         host.processMode   = value1

  2964.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2965.         host.transportMode  = value1

  2966.         host.transportExtra = valueStr

  2967. 

  2968.     if action == ENGINE_CALLBACK_DEBUG:

  2969.         host.DebugCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  2970.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  2971.         host.PluginAddedCallback.emit(pluginId, valueStr)

  2972.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  2973.         host.PluginRemovedCallback.emit(pluginId)

  2974.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  2975.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  2976.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  2977.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  2978.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  2979.         host.ParameterValueChangedCallback.emit(pluginId, value1, valuef)

  2980.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  2981.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, valuef)

  2982.     elif action == ENGINE_CALLBACK_PARAMETER_MAPPED_CONTROL_INDEX_CHANGED:

  2983.         host.ParameterMappedControlIndexChangedCallback.emit(pluginId, value1, value2)

  2984.     elif action == ENGINE_CALLBACK_PARAMETER_MAPPED_RANGE_CHANGED:

  2985.         minimum, maximum = (float(v) for v in valueStr.split(":", 2))

  2986.         host.ParameterMappedRangeChangedCallback.emit(pluginId, value1, minimum, maximum)

  2987.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  2988.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  2989.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  2990.         host.ProgramChangedCallback.emit(pluginId, value1)

  2991.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  2992.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  2993.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  2994.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  2995.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  2996.         host.UiStateChangedCallback.emit(pluginId, value1)

  2997.     elif action == ENGINE_CALLBACK_NOTE_ON:

  2998.         host.NoteOnCallback.emit(pluginId, value1, value2, value3)

  2999.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  3000.         host.NoteOffCallback.emit(pluginId, value1, value2)

  3001.     elif action == ENGINE_CALLBACK_UPDATE:

  3002.         host.UpdateCallback.emit(pluginId)

  3003.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  3004.         host.ReloadInfoCallback.emit(pluginId)

  3005.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  3006.         host.ReloadParametersCallback.emit(pluginId)

  3007.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  3008.         host.ReloadProgramsCallback.emit(pluginId)

  3009.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  3010.         host.ReloadAllCallback.emit(pluginId)

  3011.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  3012.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  3013.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  3014.         host.PatchbayClientRemovedCallback.emit(pluginId)

  3015.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  3016.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  3017.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  3018.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  3019.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_POSITION_CHANGED:

  3020.         host.PatchbayClientPositionChangedCallback.emit(pluginId, value1, value2, value3, int(round(valuef)))

  3021.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  3022.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, value3, valueStr)

  3023.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  3024.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  3025.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_CHANGED:

  3026.         host.PatchbayPortChangedCallback.emit(pluginId, value1, value2, value3, valueStr)

  3027.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_ADDED:

  3028.         host.PatchbayPortGroupAddedCallback.emit(pluginId, value1, value2, valueStr)

  3029.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_REMOVED:

  3030.         host.PatchbayPortGroupRemovedCallback.emit(pluginId, value1)

  3031.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_CHANGED:

  3032.         host.PatchbayPortGroupChangedCallback.emit(pluginId, value1, value2, valueStr)

  3033.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  3034.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  3035.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  3036.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  3037.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  3038.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  3039.         host.EngineStartedCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  3040.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  3041.         host.EngineStoppedCallback.emit()

  3042.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  3043.         host.ProcessModeChangedCallback.emit(value1)

  3044.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  3045.         host.TransportModeChangedCallback.emit(value1, valueStr)

  3046.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  3047.         host.BufferSizeChangedCallback.emit(value1)

  3048.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  3049.         host.SampleRateChangedCallback.emit(valuef)

  3050.     elif action == ENGINE_CALLBACK_CANCELABLE_ACTION:

  3051.         host.CancelableActionCallback.emit(pluginId, bool(value1 != 0), valueStr)

  3052.     elif action == ENGINE_CALLBACK_PROJECT_LOAD_FINISHED:

  3053.         host.ProjectLoadFinishedCallback.emit()

  3054.     elif action == ENGINE_CALLBACK_NSM:

  3055.         host.NSMCallback.emit(value1, value2, valueStr)

  3056.     elif action == ENGINE_CALLBACK_IDLE:

  3057.         QApplication.processEvents()

  3058.     elif action == ENGINE_CALLBACK_INFO:

  3059.         host.InfoCallback.emit(valueStr)

  3060.     elif action == ENGINE_CALLBACK_ERROR:

  3061.         host.ErrorCallback.emit(valueStr)

  3062.     elif action == ENGINE_CALLBACK_QUIT:

  3063.         host.QuitCallback.emit()

  3064.     elif action == ENGINE_CALLBACK_INLINE_DISPLAY_REDRAW:

  3065.         host.InlineDisplayRedrawCallback.emit(pluginId)

  3066.     else:

  3067.         print("unhandled action", action)

  3068. 

  3069. # ------------------------------------------------------------------------------------------------------------

  3070. # File callback

  3071. 

  3072. def fileCallback(ptr, action, isDir, title, filter):

  3073.     title  = charPtrToString(title)

  3074.     filter = charPtrToString(filter)

  3075. 

  3076.     if action == FILE_CALLBACK_OPEN:

  3077.         ret, ok = QFileDialog.getOpenFileName(gCarla.gui, title, "", filter) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  3078.     elif action == FILE_CALLBACK_SAVE:

  3079.         ret, ok = QFileDialog.getSaveFileName(gCarla.gui, title, "", filter, QFileDialog.ShowDirsOnly if isDir else 0x0)

  3080.     else:

  3081.         ret, ok = ("", "")

  3082. 

  3083.     # FIXME use ok value, test if it works as expected

  3084.     if not ret:

  3085.         return None

  3086. 

  3087.     # FIXME

  3088.     global fileRet

  3089.     fileRet = c_char_p(ret.encode("utf-8"))

  3090.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  3091.     return retval.contents.value

  3092. 

  3093. # ------------------------------------------------------------------------------------------------------------

  3094. # Init host

  3095. 

  3096. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  3097.     pathBinaries, pathResources = getPaths(libPrefix)

  3098. 

  3099.     # --------------------------------------------------------------------------------------------------------

  3100.     # Fail if binary dir is not found

  3101. 

  3102.     if not os.path.exists(pathBinaries):

  3103.         if failError:

  3104.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  3105.             sys.exit(1)

  3106.         return

  3107. 

  3108.     # --------------------------------------------------------------------------------------------------------

  3109.     # Check if we should open main lib as local or global

  3110. 

  3111.     settings = QSafeSettings("falkTX", "Carla2")

  3112. 

  3113.     loadGlobal = settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL, CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL, bool)

  3114. 

  3115.     # --------------------------------------------------------------------------------------------------------

  3116.     # Set Carla library name

  3117. 

  3118.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  3119.     libname   = os.path.join(pathBinaries, libname)

  3120.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  3121. 

  3122.     # --------------------------------------------------------------------------------------------------------

  3123.     # Print info

  3124. 

  3125.     print("Carla %s started, status:" % VERSION)

  3126.     print("  Python version: %s" % sys.version.split(" ",1)[0])

  3127.     print("  Qt version:     %s" % QT_VERSION_STR)

  3128.     print("  PyQt version:   %s" % PYQT_VERSION_STR)

  3129.     print("  Binary dir:     %s" % pathBinaries)

  3130.     print("  Resources dir:  %s" % pathResources)

  3131. 

  3132.     # --------------------------------------------------------------------------------------------------------

  3133.     # Init host

  3134. 

  3135.     if failError:

  3136.         # no try

  3137.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  3138.     else:

  3139.         try:

  3140.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  3141.         except:

  3142.             host = CarlaHostQtNull()

  3143. 

  3144.     host.isControl = isControl

  3145.     host.isPlugin  = isPlugin

  3146. 

  3147.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vf,vs: engineCallback(host,a,p,v1,v2,v3,vf,vs))

  3148.     host.set_file_callback(fileCallback)

  3149. 

  3150.     # If it's a plugin the paths are already set

  3151.     if not isPlugin:

  3152.         host.pathBinaries  = pathBinaries

  3153.         host.pathResources = pathResources

  3154.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  3155.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  3156. 

  3157.         if not isControl:

  3158.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  3159. 

  3160.     # --------------------------------------------------------------------------------------------------------

  3161.     # Init utils

  3162. 

  3163.     gCarla.utils = CarlaUtils(utilsname)

  3164.     gCarla.utils.set_process_name(os.path.basename(initName))

  3165. 

  3166.     try:

  3167.         sys.stdout.flush()

  3168.     except:

  3169.         pass

  3170. 

  3171.     sys.stdout = CarlaPrint(False)

  3172.     sys.stderr = CarlaPrint(True)

  3173.     sys.excepthook = sys_excepthook

  3174. 

  3175.     # --------------------------------------------------------------------------------------------------------

  3176.     # Done

  3177. 

  3178.     return host

  3179. 

  3180. # ------------------------------------------------------------------------------------------------------------

  3181. # Load host settings

  3182. 

  3183. def loadHostSettings(host):

  3184.     # kdevelop likes this :)

  3185.     if False: host = CarlaHostNull()

  3186. 

  3187.     settings = QSafeSettings("falkTX", "Carla2")

  3188. 

  3189.     host.experimental = settings.value(CARLA_KEY_MAIN_EXPERIMENTAL, CARLA_DEFAULT_MAIN_EXPERIMENTAL, bool)

  3190.     host.exportLV2 = settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2, CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT, bool)

  3191.     host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, bool)

  3192.     host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, int)

  3193.     host.resetXruns = settings.value(CARLA_KEY_ENGINE_RESET_XRUNS, CARLA_DEFAULT_RESET_XRUNS, bool)

  3194.     host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, bool)

  3195.     host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, bool)

  3196.     host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, bool)

  3197.     host.preventBadBehaviour = settings.value(CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, bool)

  3198.     host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, bool)

  3199.     host.showPluginBridges = settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, bool)

  3200.     host.showWineBridges = settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, bool)

  3201.     host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, int)

  3202.     host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, bool)

  3203. 

  3204.     if host.isPlugin:

  3205.         return

  3206. 

  3207.     host.transportExtra = settings.value(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, "", str)

  3208. 

  3209.     # enums

  3210.     if host.audioDriverForced is None:

  3211.         host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, int)

  3212. 

  3213.     if not host.processModeForced:

  3214.         host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, int)

  3215. 

  3216.     host.nextProcessMode = host.processMode

  3217. 

  3218.     # --------------------------------------------------------------------------------------------------------

  3219.     # fix things if needed

  3220. 

  3221.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  3222.         if LADISH_APP_NAME:

  3223.             print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  3224.             host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  3225. 

  3226.         else:

  3227.             host.transportMode = ENGINE_TRANSPORT_MODE_JACK

  3228. 

  3229.     if gCarla.nogui:

  3230.         host.showLogs = False

  3231. 

  3232.     # --------------------------------------------------------------------------------------------------------

  3233.     # run headless host now if nogui option enabled

  3234. 

  3235.     if gCarla.nogui:

  3236.         runHostWithoutUI(host)

  3237. 

  3238. # ------------------------------------------------------------------------------------------------------------

  3239. # Set host settings

  3240. 

  3241. def setHostSettings(host):

  3242.     # kdevelop likes this :)

  3243.     if False: host = CarlaHostNull()

  3244. 

  3245.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  3246.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  3247.     host.set_engine_option(ENGINE_OPTION_RESET_XRUNS,           host.resetXruns,          "")

  3248.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  3249.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  3250.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  3251.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  3252.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  3253. 

  3254.     if host.isPlugin or host.isRemote or host.is_engine_running():

  3255.         return

  3256. 

  3257.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  3258.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       host.transportExtra)

  3259.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  3260. 

  3261.     if not (NSM_URL and host.nsmOK):

  3262.         host.set_engine_option(ENGINE_OPTION_CLIENT_NAME_PREFIX, 0, gCarla.cnprefix)

  3263. 

  3264. # ------------------------------------------------------------------------------------------------------------

  3265. # Set Engine settings according to carla preferences. Returns selected audio driver.

  3266. 

  3267. def setEngineSettings(host, oscPort = None):

  3268.     # kdevelop likes this :)

  3269.     if False: host = CarlaHostNull()

  3270. 

  3271.     # --------------------------------------------------------------------------------------------------------

  3272.     # do nothing if control

  3273. 

  3274.     if host.isControl:

  3275.         return "Control"

  3276. 

  3277.     # --------------------------------------------------------------------------------------------------------

  3278. 

  3279.     settings = QSafeSettings("falkTX", "Carla2")

  3280. 

  3281.     # --------------------------------------------------------------------------------------------------------

  3282.     # main settings

  3283. 

  3284.     setHostSettings(host)

  3285. 

  3286.     # --------------------------------------------------------------------------------------------------------

  3287.     # file paths

  3288. 

  3289.     FILE_PATH_AUDIO = settings.value(CARLA_KEY_PATHS_AUDIO, CARLA_DEFAULT_FILE_PATH_AUDIO, list)

  3290.     FILE_PATH_MIDI  = settings.value(CARLA_KEY_PATHS_MIDI,  CARLA_DEFAULT_FILE_PATH_MIDI, list)

  3291. 

  3292.     host.set_engine_option(ENGINE_OPTION_FILE_PATH, FILE_AUDIO, splitter.join(FILE_PATH_AUDIO))

  3293.     host.set_engine_option(ENGINE_OPTION_FILE_PATH, FILE_MIDI,  splitter.join(FILE_PATH_MIDI))

  3294. 

  3295.     # --------------------------------------------------------------------------------------------------------

  3296.     # plugin paths

  3297. 

  3298.     LADSPA_PATH = settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH, list)

  3299.     DSSI_PATH   = settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH, list)

  3300.     LV2_PATH    = settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH, list)

  3301.     VST2_PATH   = settings.value(CARLA_KEY_PATHS_VST2,   CARLA_DEFAULT_VST2_PATH, list)

  3302.     VST3_PATH   = settings.value(CARLA_KEY_PATHS_VST3,   CARLA_DEFAULT_VST3_PATH, list)

  3303.     SF2_PATH    = settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH, list)

  3304.     SFZ_PATH    = settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH, list)

  3305. 

  3306.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  3307.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  3308.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  3309.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2,   splitter.join(VST2_PATH))

  3310.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST3,   splitter.join(VST3_PATH))

  3311.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  3312.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  3313. 

  3314.     # --------------------------------------------------------------------------------------------------------

  3315.     # don't continue if plugin

  3316. 

  3317.     if host.isPlugin:

  3318.         return "Plugin"

  3319. 

  3320.     # --------------------------------------------------------------------------------------------------------

  3321.     # osc settings

  3322. 

  3323.     if oscPort is not None and isinstance(oscPort, int):

  3324.         oscEnabled = True

  3325.         portNumTCP = portNumUDP = oscPort

  3326. 

  3327.     else:

  3328.         oscEnabled = settings.value(CARLA_KEY_OSC_ENABLED, CARLA_DEFAULT_OSC_ENABLED, bool)

  3329. 

  3330.         if not settings.value(CARLA_KEY_OSC_TCP_PORT_ENABLED, CARLA_DEFAULT_OSC_TCP_PORT_ENABLED, bool):

  3331.             portNumTCP = -1

  3332.         elif settings.value(CARLA_KEY_OSC_TCP_PORT_RANDOM, CARLA_DEFAULT_OSC_TCP_PORT_RANDOM, bool):

  3333.             portNumTCP = 0

  3334.         else:

  3335.             portNumTCP = settings.value(CARLA_KEY_OSC_TCP_PORT_NUMBER, CARLA_DEFAULT_OSC_TCP_PORT_NUMBER, int)

  3336. 

  3337.         if not settings.value(CARLA_KEY_OSC_UDP_PORT_ENABLED, CARLA_DEFAULT_OSC_UDP_PORT_ENABLED, bool):

  3338.             portNumUDP = -1

  3339.         elif settings.value(CARLA_KEY_OSC_UDP_PORT_RANDOM, CARLA_DEFAULT_OSC_UDP_PORT_RANDOM, bool):

  3340.             portNumUDP = 0

  3341.         else:

  3342.             portNumUDP = settings.value(CARLA_KEY_OSC_UDP_PORT_NUMBER, CARLA_DEFAULT_OSC_UDP_PORT_NUMBER, int)

  3343. 

  3344.     host.set_engine_option(ENGINE_OPTION_OSC_ENABLED, 1 if oscEnabled else 0, "")

  3345.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_TCP, portNumTCP, "")

  3346.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_UDP, portNumUDP, "")

  3347. 

  3348.     # --------------------------------------------------------------------------------------------------------

  3349.     # wine settings

  3350. 

  3351.     optWineExecutable = settings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, str)

  3352.     optWineAutoPrefix = settings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, bool)

  3353.     optWineFallbackPrefix = settings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, str)

  3354.     optWineRtPrioEnabled = settings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, bool)

  3355.     optWineBaseRtPrio = settings.value(CARLA_KEY_WINE_BASE_RT_PRIO,   CARLA_DEFAULT_WINE_BASE_RT_PRIO, int)

  3356.     optWineServerRtPrio = settings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, int)

  3357. 

  3358.     host.set_engine_option(ENGINE_OPTION_WINE_EXECUTABLE, 0, optWineExecutable)

  3359.     host.set_engine_option(ENGINE_OPTION_WINE_AUTO_PREFIX, 1 if optWineAutoPrefix else 0, "")

  3360.     host.set_engine_option(ENGINE_OPTION_WINE_FALLBACK_PREFIX, 0, os.path.expanduser(optWineFallbackPrefix))

  3361.     host.set_engine_option(ENGINE_OPTION_WINE_RT_PRIO_ENABLED, 1 if optWineRtPrioEnabled else 0, "")

  3362.     host.set_engine_option(ENGINE_OPTION_WINE_BASE_RT_PRIO, optWineBaseRtPrio, "")

  3363.     host.set_engine_option(ENGINE_OPTION_WINE_SERVER_RT_PRIO, optWineServerRtPrio, "")

  3364. 

  3365.     # --------------------------------------------------------------------------------------------------------

  3366.     # driver and device settings

  3367. 

  3368.     # driver name

  3369.     if host.audioDriverForced is not None:

  3370.         audioDriver = host.audioDriverForced

  3371.     else:

  3372.         try:

  3373.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, str)

  3374.         except:

  3375.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  3376. 

  3377.     # driver options

  3378.     audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", str)

  3379.     audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, int)

  3380.     audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, int)

  3381.     audioTripleBuffer = settings.value("%s%s/TripleBuffer" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER, bool)

  3382. 

  3383.     # Only setup audio things if engine is not running

  3384.     if not host.is_engine_running():

  3385.         host.set_engine_option(ENGINE_OPTION_AUDIO_DRIVER, 0, audioDriver)

  3386.         host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE, 0, audioDevice)

  3387. 

  3388.         if not audioDriver.startswith("JACK"):

  3389.             host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  3390.             host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  3391.             host.set_engine_option(ENGINE_OPTION_AUDIO_TRIPLE_BUFFER, 1 if audioTripleBuffer else 0, "")

  3392. 

  3393.     # --------------------------------------------------------------------------------------------------------

  3394.     # fix things if needed

  3395. 

  3396.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  3397.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  3398.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, host.transportExtra)

  3399. 

  3400.     # --------------------------------------------------------------------------------------------------------

  3401.     # return selected driver name

  3402. 

  3403.     return audioDriver

  3404. 

  3405. # ------------------------------------------------------------------------------------------------------------

  3406. # Run Carla without showing UI

  3407. 

  3408. def runHostWithoutUI(host):

  3409.     # kdevelop likes this :)

  3410.     if False: host = CarlaHostNull()

  3411. 

  3412.     # --------------------------------------------------------------------------------------------------------

  3413.     # Some initial checks

  3414. 

  3415.     if not gCarla.nogui:

  3416.         return

  3417. 

  3418.     if not isinstance(gCarla.nogui, int):

  3419.         oscPort = None

  3420.         projectFile = getInitialProjectFile(True)

  3421. 

  3422.         if not projectFile:

  3423.             print("Carla no-gui mode can only be used together with a project file.")

  3424.             sys.exit(1)

  3425. 

  3426.     else:

  3427.         oscPort = gCarla.nogui

  3428. 

  3429.     # --------------------------------------------------------------------------------------------------------

  3430.     # Additional imports

  3431. 

  3432.     from time import sleep

  3433. 

  3434.     # --------------------------------------------------------------------------------------------------------

  3435.     # Init engine

  3436. 

  3437.     audioDriver = setEngineSettings(host, oscPort)

  3438.     if not host.engine_init(audioDriver, "Carla"):

  3439.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  3440.         sys.exit(1)

  3441. 

  3442.     if oscPort is None and not host.load_project(projectFile):

  3443.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  3444.         host.engine_close()

  3445.         sys.exit(1)

  3446. 

  3447.     # --------------------------------------------------------------------------------------------------------

  3448.     # Idle

  3449. 

  3450.     print("Carla ready!")

  3451. 

  3452.     while host.is_engine_running() and not gCarla.term:

  3453.         host.engine_idle()

  3454.         sleep(0.0333) # 30 Hz

  3455. 

  3456.     # --------------------------------------------------------------------------------------------------------

  3457.     # Stop

  3458. 

  3459.     host.engine_close()

  3460.     sys.exit(0)

  3461. 

  3462. # ------------------------------------------------------------------------------------------------------------