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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) 2011-2022 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 import *

  57. from carla_backend_qt import CarlaHostQtDLL, CarlaHostQtNull

  58. from carla_frontend import CarlaFrontendLib

  59. from carla_shared import *

  60. from carla_settings import *

  61. from carla_utils import *

  62. from carla_widgets import *

  63. 

  64. from patchcanvas import patchcanvas

  65. from pluginlist import PluginListDialog

  66. from widgets.digitalpeakmeter import DigitalPeakMeter

  67. from widgets.pixmapkeyboard import PixmapKeyboardHArea

  68. 

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

  70. # Try Import OpenGL

  71. 

  72. try:

  73.     from PyQt5.QtOpenGL import QGLWidget

  74.     hasGL = True

  75. except:

  76.     hasGL = False

  77. 

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

  79. # Safe exception hook, needed for PyQt5

  80. 

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

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

  83. 

  84. # ------------------------------------------------------------------------------------------------------------

  85. # Session Management support

  86. 

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

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

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

  90. 

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

  92. # Small print helper

  93. 

  94. def processMode2Str(processMode):

  95.     if processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT:

  96.         return "Single client"

  97.     if processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  98.         return "Multi client"

  99.     if processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK:

  100.         return "Continuous Rack"

  101.     if processMode == ENGINE_PROCESS_MODE_PATCHBAY:

  102.         return "Patchbay"

  103.     if processMode == ENGINE_PROCESS_MODE_BRIDGE:

  104.         return "Bridge"

  105.     return "Unknown"

  106. 

  107. # ------------------------------------------------------------------------------------------------------------

  108. # Carla Print class

  109. 

  110. class CarlaPrint:

  111.     def __init__(self, err):

  112.         self.err = err

  113. 

  114.     def flush(self):

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

  116. 

  117.     def write(self, string):

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

  119. 

  120. # ------------------------------------------------------------------------------------------------------------

  121. # Host Window

  122. 

  123. class HostWindow(QMainWindow):

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

  125.     # signals

  126.     SIGTERM = pyqtSignal()

  127.     SIGUSR1 = pyqtSignal()

  128. 

  129.     # CustomActions

  130.     CUSTOM_ACTION_NONE         = 0

  131.     CUSTOM_ACTION_APP_CLOSE    = 1

  132.     CUSTOM_ACTION_PROJECT_LOAD = 2

  133. 

  134.     # --------------------------------------------------------------------------------------------------------

  135. 

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

  137.         QMainWindow.__init__(self, parent)

  138.         self.host = host

  139.         self.ui = ui_carla_host.Ui_CarlaHostW()

  140.         self.ui.setupUi(self)

  141.         gCarla.gui = self

  142. 

  143.         if False:

  144.             # kdevelop likes this :)

  145.             host = CarlaHostNull()

  146.             self.host = host

  147. 

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

  149. 

  150.         self.fParentOrSelf = parent or self

  151. 

  152.         # ----------------------------------------------------------------------------------------------------

  153.         # Internal stuff

  154. 

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

  156.         self.fIdleTimerFast = 0

  157.         self.fIdleTimerSlow = 0

  158. 

  159.         self.fLadspaRdfNeedsUpdate = True

  160.         self.fLadspaRdfList = []

  161. 

  162.         self.fPluginCount = 0

  163.         self.fPluginList  = []

  164. 

  165.         self.fPluginDatabaseDialog = None

  166.         self.fFavoritePlugins = []

  167. 

  168.         self.fLADISH           = False

  169.         self.fProjectFilename  = ""

  170.         self.fIsProjectLoading = False

  171.         self.fCurrentlyRemovingAllPlugins = False

  172.         self.fHasLoadedLv2Plugins = False

  173. 

  174.         self.fLastTransportBPM   = 0.0

  175.         self.fLastTransportFrame = 0

  176.         self.fLastTransportState = False

  177.         self.fBufferSize         = 0

  178.         self.fSampleRate         = 0.0

  179.         self.fOscAddressTCP      = ""

  180.         self.fOscAddressUDP      = ""

  181. 

  182.         if MACOS:

  183.             self.fMacClosingHelper = True

  184. 

  185.         # CancelableActionCallback Box

  186.         self.fCancelableActionBox = None

  187. 

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

  189.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  190. 

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

  192.         self.fFirstEngineInit = True

  193. 

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

  195.         self.fSavedSettings = {}

  196. 

  197.         # true if NSM server handles our window management

  198.         self.fWindowCloseHideGui = False

  199. 

  200.         if host.isControl:

  201.             self.fClientName         = "Carla-Control"

  202.             self.fSessionManagerName = "Control"

  203.         elif host.isPlugin:

  204.             self.fClientName         = "Carla-Plugin"

  205.             self.fSessionManagerName = "Plugin"

  206.         elif LADISH_APP_NAME:

  207.             self.fClientName         = LADISH_APP_NAME

  208.             self.fSessionManagerName = "LADISH"

  209.             self.fLADISH             = True

  210.         elif NSM_URL and host.nsmOK:

  211.             self.fClientName         = "Carla.tmp"

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

  213.             self.fWindowCloseHideGui = True

  214.         else:

  215.             self.fClientName         = CARLA_CLIENT_NAME or "Carla"

  216.             self.fSessionManagerName = ""

  217. 

  218.         # ----------------------------------------------------------------------------------------------------

  219.         # Internal stuff (patchbay)

  220. 

  221.         self.fPeaksCleared = True

  222. 

  223.         self.fExternalPatchbay = False

  224.         self.fSelectedPlugins  = []

  225. 

  226.         self.fCanvasWidth  = 0

  227.         self.fCanvasHeight = 0

  228.         self.fMiniCanvasUpdateTimeout = 0

  229. 

  230.         self.fWithCanvas = withCanvas

  231. 

  232.         # ----------------------------------------------------------------------------------------------------

  233.         # Internal stuff (logs)

  234. 

  235.         self.autoscrollOnNewLog = True

  236.         self.lastLogSliderPos = 0

  237. 

  238.         # ----------------------------------------------------------------------------------------------------

  239.         # Set up GUI (engine stopped)

  240. 

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

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

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

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

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

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

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

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

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

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

  251. 

  252.             if self.host.isControl:

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

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

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

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

  257.             else:

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

  259. 

  260.                 if not withCanvas:

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

  262. 

  263.         else:

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

  265. 

  266.             if WINDOWS:

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

  268. 

  269.         if self.host.isControl:

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

  271.         else:

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

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

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

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

  276. 

  277.         if self.fSessionManagerName and not self.fLADISH and not self.host.isPlugin:

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

  279. 

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

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

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

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

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

  285. 

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

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

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

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

  290. 

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

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

  293. 

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

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

  296. 

  297.         if not withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  315.             self.ui.tw_miniCanvas.hide()

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

  317.             if WINDOWS:

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

  319. 

  320.         # ----------------------------------------------------------------------------------------------------

  321.         # Set up GUI (disk)

  322. 

  323.         exts = gCarla.utils.get_supported_file_extensions()

  324. 

  325.         self.fDirModel = QFileSystemModel(self)

  326.         self.fDirModel.setRootPath(HOME)

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

  328. 

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

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

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

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

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

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

  335. 

  336.         # ----------------------------------------------------------------------------------------------------

  337.         # Set up GUI (transport)

  338. 

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

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

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

  342. 

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

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

  345. 

  346.         if minLabelWidth < labelTimeWidth:

  347.             minLabelWidth = labelTimeWidth

  348.         if minLabelWidth < labelBBTWidth:

  349.             minLabelWidth = labelBBTWidth

  350. 

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

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

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

  354. 

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

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

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

  358. 

  359.         if host.isPlugin:

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

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

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

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

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

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

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

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

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

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

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

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

  372. 

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

  374. 

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

  376.         # Set up GUI (rack)

  377. 

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

  379. 

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

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

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

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

  384. 

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

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

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

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

  389. 

  390.         self.updateStyle()

  391. 

  392.         self.ui.rack.setStyleSheet("""

  393.           CarlaRackList#CarlaRackList {

  394.             background-color: black;

  395.           }

  396.         """)

  397. 

  398.         # ----------------------------------------------------------------------------------------------------

  399.         # Set up GUI (patchbay)

  400. 

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

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

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

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

  405. 

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

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

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

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

  410. 

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

  412.         self.ui.keyboard   = self.ui.scrollArea.keyboard

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

  414. 

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

  416. 

  417.         self.ui.miniCanvasPreview.setRealParent(self)

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

  419. 

  420.         # ----------------------------------------------------------------------------------------------------

  421.         # Set up GUI (logs)

  422. 

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

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

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

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

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

  428. 

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

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

  431. 

  432.         if MACOS:

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

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

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

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

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

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

  439. 

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

  441.         # Load Settings

  442. 

  443.         self.loadSettings(True)

  444. 

  445.         # ----------------------------------------------------------------------------------------------------

  446.         # Set-up Canvas

  447. 

  448.         if withCanvas:

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

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

  451. 

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

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

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

  455. 

  456.             self.setupCanvas()

  457. 

  458.         # ----------------------------------------------------------------------------------------------------

  459.         # Set-up Icons

  460. 

  461.         if self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS]:

  462.             self.ui.act_file_connect.setIcon(getIcon('network-connect', 16, 'svgz'))

  463.             self.ui.act_file_refresh.setIcon(getIcon('view-refresh', 16, 'svgz'))

  464.             self.ui.act_file_new.setIcon(getIcon('document-new', 16, 'svgz'))

  465.             self.ui.act_file_open.setIcon(getIcon('document-open', 16, 'svgz'))

  466.             self.ui.act_file_save.setIcon(getIcon('document-save', 16, 'svgz'))

  467.             self.ui.act_file_save_as.setIcon(getIcon('document-save-as', 16, 'svgz'))

  468.             self.ui.act_file_quit.setIcon(getIcon('application-exit', 16, 'svgz'))

  469.             self.ui.act_engine_start.setIcon(getIcon('media-playback-start', 16, 'svgz'))

  470.             self.ui.act_engine_stop.setIcon(getIcon('media-playback-stop', 16, 'svgz'))

  471.             self.ui.act_engine_panic.setIcon(getIcon('dialog-warning', 16, 'svgz'))

  472.             self.ui.act_engine_config.setIcon(getIcon('configure', 16, 'svgz'))

  473.             self.ui.act_plugin_add.setIcon(getIcon('list-add', 16, 'svgz'))

  474.             self.ui.act_plugin_add_jack.setIcon(getIcon('list-add', 16, 'svgz'))

  475.             self.ui.act_plugin_remove_all.setIcon(getIcon('edit-delete', 16, 'svgz'))

  476.             self.ui.act_canvas_arrange.setIcon(getIcon('view-sort-ascending', 16, 'svgz'))

  477.             self.ui.act_canvas_refresh.setIcon(getIcon('view-refresh', 16, 'svgz'))

  478.             self.ui.act_canvas_zoom_fit.setIcon(getIcon('zoom-fit-best', 16, 'svgz'))

  479.             self.ui.act_canvas_zoom_in.setIcon(getIcon('zoom-in', 16, 'svgz'))

  480.             self.ui.act_canvas_zoom_out.setIcon(getIcon('zoom-out', 16, 'svgz'))

  481.             self.ui.act_canvas_zoom_100.setIcon(getIcon('zoom-original', 16, 'svgz'))

  482.             self.ui.act_settings_configure.setIcon(getIcon('configure', 16, 'svgz'))

  483.             self.ui.b_disk_add.setIcon(getIcon('list-add', 16, 'svgz'))

  484.             self.ui.b_disk_remove.setIcon(getIcon('list-remove', 16, 'svgz'))

  485.             self.ui.b_transport_play.setIcon(getIcon('media-playback-start', 16, 'svgz'))

  486.             self.ui.b_transport_stop.setIcon(getIcon('media-playback-stop', 16, 'svgz'))

  487.             self.ui.b_transport_backwards.setIcon(getIcon('media-seek-backward', 16, 'svgz'))

  488.             self.ui.b_transport_forwards.setIcon(getIcon('media-seek-forward', 16, 'svgz'))

  489.             self.ui.logs_clear.setIcon(getIcon('edit-clear', 16, 'svgz'))

  490.             self.ui.logs_save.setIcon(getIcon('document-save', 16, 'svgz'))

  491. 

  492.         # ----------------------------------------------------------------------------------------------------

  493.         # Connect actions to functions

  494. 

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

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

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

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

  499. 

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

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

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

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

  504. 

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

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

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

  508. 

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

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

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

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

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

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

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

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

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

  518. 

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

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

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

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

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

  524. 

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

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

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

  528. 

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

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

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

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

  533. 

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

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

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

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

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

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

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

  541. 

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

  543. 

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

  545. 

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

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

  548. 

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

  550.         self.ui.toolBar.visibilityChanged.connect(self.slot_toolbarVisibilityChanged)

  551. 

  552.         if withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  572. 

  573.         self.SIGUSR1.connect(self.slot_handleSIGUSR1)

  574.         self.SIGTERM.connect(self.slot_handleSIGTERM)

  575. 

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

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

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

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

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

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

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

  583. 

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

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

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

  587. 

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

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

  590. 

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

  592. 

  593.         if withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

  607. 

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

  609. 

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

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

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

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

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

  615. 

  616.         # ----------------------------------------------------------------------------------------------------

  617.         # Final setup

  618. 

  619.         self.ui.text_logs.clear()

  620.         self.slot_logButtonsState(False)

  621.         self.setProperWindowTitle()

  622. 

  623.         # Disable non-supported features

  624.         features = gCarla.utils.get_supported_features()

  625. 

  626.         if "link" not in features:

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

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

  629. 

  630.         if "juce" not in features:

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

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

  633. 

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

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

  636.             self.startTimers()

  637. 

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

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

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

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

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

  643. 

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

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

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

  647. 

  648.         # Load initial project file if set

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

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

  651. 

  652.             if projectFile:

  653.                 self.loadProjectLater(projectFile)

  654. 

  655.         # For NSM we wait for the open message

  656.         if NSM_URL and host.nsmOK:

  657.             host.nsm_ready(NSM_CALLBACK_INIT)

  658.             return

  659. 

  660.         if not host.isControl:

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

  662. 

  663.     # --------------------------------------------------------------------------------------------------------

  664.     # Manage visibility state, needed for NSM

  665. 

  666.     def hideForNSM(self):

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

  668.             if pitem is None:

  669.                 continue

  670.             pitem.getWidget().hideCustomUI()

  671.         self.hide()

  672. 

  673.     def showIfNeeded(self):

  674.         if self.host.nsmOK:

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

  676.             QApplication.instance().setQuitOnLastWindowClosed(False)

  677.         else:

  678.             self.show()

  679. 

  680.     # --------------------------------------------------------------------------------------------------------

  681.     # Setup

  682. 

  683.     def compactPlugin(self, pluginId):

  684.         if pluginId > self.fPluginCount:

  685.             return

  686. 

  687.         pitem = self.fPluginList[pluginId]

  688. 

  689.         if pitem is None:

  690.             return

  691. 

  692.         pitem.recreateWidget(True)

  693. 

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

  695.         if pluginId > self.fPluginCount:

  696.             return

  697. 

  698.         pitem = self.fPluginList[pluginId]

  699. 

  700.         if pitem is None:

  701.             return

  702. 

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

  704.         pitem.recreateWidget(newColor = color)

  705. 

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

  707.         if pluginId > self.fPluginCount:

  708.             return

  709. 

  710.         pitem = self.fPluginList[pluginId]

  711. 

  712.         if pitem is None:

  713.             return

  714. 

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

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

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

  718.         else:

  719.             pitem.recreateWidget(newSkin = skin)

  720. 

  721.     def findPluginInPatchbay(self, pluginId):

  722.         if pluginId > self.fPluginCount:

  723.             return

  724. 

  725.         if self.fExternalPatchbay:

  726.             self.slot_canvasShowInternal()

  727. 

  728.         if not patchcanvas.focusGroupUsingPluginId(pluginId):

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

  730.             if not patchcanvas.focusGroupUsingGroupName(name):

  731.                 return

  732. 

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

  734. 

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

  736.         if pluginIdA == pluginIdB:

  737.             return

  738.         if pluginIdA < 0 or pluginIdB < 0:

  739.             return

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

  741.             return

  742. 

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

  744. 

  745.         itemA = self.fPluginList[pluginIdA]

  746.         compactA = itemA.isCompacted()

  747.         guiShownA = itemA.isGuiShown()

  748. 

  749.         itemB = self.fPluginList[pluginIdB]

  750.         compactB = itemB.isCompacted()

  751.         guiShownB = itemB.isGuiShown()

  752. 

  753.         itemA.setPluginId(pluginIdA)

  754.         itemA.recreateWidget2(compactB, guiShownB)

  755. 

  756.         itemB.setPluginId(pluginIdB)

  757.         itemB.recreateWidget2(compactA, guiShownA)

  758. 

  759.         if self.fWithCanvas:

  760.             self.slot_canvasRefresh()

  761. 

  762.     def setLoadRDFsNeeded(self):

  763.         self.fLadspaRdfNeedsUpdate = True

  764. 

  765.     def setProperWindowTitle(self):

  766.         title = self.fClientName

  767. 

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

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

  770.         if self.fSessionManagerName:

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

  772. 

  773.         self.setWindowTitle(title)

  774. 

  775.     def updateBufferSize(self, newBufferSize):

  776.         if self.fBufferSize == newBufferSize:

  777.             return

  778.         self.fBufferSize = newBufferSize

  779.         self.ui.cb_buffer_size.clear()

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

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

  782. 

  783.     def updateSampleRate(self, newSampleRate):

  784.         if self.fSampleRate == newSampleRate:

  785.             return

  786.         self.fSampleRate = newSampleRate

  787.         self.ui.cb_sample_rate.clear()

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

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

  790.         self.refreshTransport(True)

  791. 

  792.     # --------------------------------------------------------------------------------------------------------

  793.     # Files

  794. 

  795.     def loadProjectNow(self):

  796.         if not self.fProjectFilename:

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

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

  799.             return

  800. 

  801.         self.projectLoadingStarted()

  802.         self.fIsProjectLoading = True

  803. 

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

  805.             self.fIsProjectLoading = False

  806.             self.projectLoadingFinished(True)

  807. 

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

  809.                              self.host.get_last_error(),

  810.                              QMessageBox.Ok, QMessageBox.Ok)

  811. 

  812.     def loadProjectLater(self, filename):

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

  814.         self.setProperWindowTitle()

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

  816. 

  817.     def saveProjectNow(self):

  818.         if not self.fProjectFilename:

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

  820. 

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

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

  823.                              self.host.get_last_error(),

  824.                              QMessageBox.Ok, QMessageBox.Ok)

  825.             return

  826. 

  827.     def projectLoadingStarted(self):

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

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

  830. 

  831.     def projectLoadingFinished(self, refreshCanvas):

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

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

  834. 

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

  836.             return

  837. 

  838.         if refreshCanvas and not self.loadExternalCanvasGroupPositionsIfNeeded(self.fProjectFilename):

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

  840. 

  841.     def loadExternalCanvasGroupPositionsIfNeeded(self, filename):

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

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

  844.             return False

  845. 

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

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

  848.                 return False

  849. 

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

  851.             try:

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

  853.             except:

  854.                 return False

  855. 

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

  857.         patchcanvas.restoreGroupPositions(canvasdata)

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

  859.         return True

  860. 

  861.     # --------------------------------------------------------------------------------------------------------

  862.     # Files (menu actions)

  863. 

  864.     @pyqtSlot()

  865.     def slot_fileNew(self):

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

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

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

  869.             return

  870. 

  871.         self.pluginRemoveAll()

  872.         self.fProjectFilename = ""

  873.         self.setProperWindowTitle()

  874.         self.host.clear_project_filename()

  875. 

  876.     @pyqtSlot()

  877.     def slot_fileOpen(self):

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

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

  880. 

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

  882.         if not filename:

  883.             return

  884. 

  885.         newFile = True

  886. 

  887.         if self.fPluginCount > 0:

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

  889.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  891. 

  892.         if newFile:

  893.             self.pluginRemoveAll()

  894.             self.fProjectFilename = filename

  895.             self.setProperWindowTitle()

  896.             self.loadProjectNow()

  897.         else:

  898.             filenameOld = self.fProjectFilename

  899.             self.fProjectFilename = filename

  900.             self.loadProjectNow()

  901.             self.fProjectFilename = filenameOld

  902. 

  903.     @pyqtSlot()

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

  905.         if self.fProjectFilename and not saveAs:

  906.             return self.saveProjectNow()

  907. 

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

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

  910. 

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

  912.         if not filename:

  913.             return

  914. 

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

  916.             filename += ".carxp"

  917. 

  918.         if self.fProjectFilename != filename:

  919.             self.fProjectFilename = filename

  920.             self.setProperWindowTitle()

  921. 

  922.         self.saveProjectNow()

  923. 

  924.     @pyqtSlot()

  925.     def slot_fileSaveAs(self):

  926.         self.slot_fileSave(True)

  927. 

  928.     @pyqtSlot()

  929.     def slot_loadProjectNow(self):

  930.         self.loadProjectNow()

  931. 

  932.     # --------------------------------------------------------------------------------------------------------

  933.     # Engine (menu actions)

  934. 

  935.     @pyqtSlot()

  936.     def slot_engineStart(self):

  937.         audioDriver = setEngineSettings(self.host)

  938.         firstInit   = self.fFirstEngineInit

  939. 

  940.         self.fFirstEngineInit = False

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

  942. 

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

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

  945.                 settings = QSafeSettings()

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

  947.                 del settings

  948.                 if lastBpm >= 20.0:

  949.                     self.host.transport_bpm(lastBpm)

  950.             return

  951. 

  952.         elif firstInit:

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

  954.             return

  955. 

  956.         audioError = self.host.get_last_error()

  957. 

  958.         if audioError:

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

  960.         else:

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

  962. 

  963.     @pyqtSlot()

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

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

  966. 

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

  968.             self.engineStopFinal()

  969.             return True

  970. 

  971.         if not forced:

  972.             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"

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

  974.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  975.             if ask != QMessageBox.Yes:

  976.                 return False

  977. 

  978.         return self.slot_engineStopTryAgain()

  979. 

  980.     @pyqtSlot()

  981.     def slot_engineConfig(self):

  982.         engineRunning = self.host.is_engine_running()

  983. 

  984.         if engineRunning:

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

  986. 

  987.         else:

  988.             if self.host.isPlugin:

  989.                 driverName = "Plugin"

  990.                 driverIndex = 0

  991.             elif self.host.audioDriverForced:

  992.                 driverName = self.host.audioDriverForced

  993.                 driverIndex = 0

  994.             else:

  995.                 settings = QSafeSettings()

  996.                 driverName = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, str)

  997.                 for i in range(self.host.get_engine_driver_count()):

  998.                     if self.host.get_engine_driver_name(i) == driverName:

  999.                         driverIndex = i

  1000.                         break

  1001.                 else:

  1002.                     driverIndex = -1

  1003.                 del settings

  1004.             dialog = DriverSettingsW(self.fParentOrSelf, self.host, driverIndex, driverName)

  1005.             dialog.ui.ico_restart.hide()

  1006.             dialog.ui.label_restart.hide()

  1007.             dialog.adjustSize()

  1008. 

  1009.         if not dialog.exec_():

  1010.             return

  1011. 

  1012.         audioDevice, bufferSize, sampleRate = dialog.getValues()

  1013. 

  1014.         if engineRunning:

  1015.             self.host.set_engine_buffer_size_and_sample_rate(bufferSize, sampleRate)

  1016.         else:

  1017.             self.host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE, 0, audioDevice)

  1018.             self.host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, bufferSize, "")

  1019.             self.host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, sampleRate, "")

  1020. 

  1021.     @pyqtSlot()

  1022.     def slot_engineStopTryAgain(self):

  1023.         if self.host.is_engine_running() and not self.host.set_engine_about_to_close():

  1024.             QTimer.singleShot(0, self.slot_engineStopTryAgain)

  1025.             return False

  1026. 

  1027.         self.engineStopFinal()

  1028.         return True

  1029. 

  1030.     def engineStopFinal(self):

  1031.         patchcanvas.handleAllPluginsRemoved()

  1032.         self.killTimers()

  1033. 

  1034.         if self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  1035.             self.removeAllPlugins()

  1036.         else:

  1037.             self.fProjectFilename = ""

  1038.             self.setProperWindowTitle()

  1039.             if self.fPluginCount != 0:

  1040.                 self.fCurrentlyRemovingAllPlugins = True

  1041.                 self.projectLoadingStarted()

  1042. 

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

  1044.             self.ui.text_logs.appendPlainText("Failed to remove all plugins, error was:")

  1045.             self.ui.text_logs.appendPlainText(self.host.get_last_error())

  1046. 

  1047.         if not self.host.engine_close():

  1048.             self.ui.text_logs.appendPlainText("Failed to stop engine, error was:")

  1049.             self.ui.text_logs.appendPlainText(self.host.get_last_error())

  1050. 

  1051.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  1052.             self.close()

  1053.         elif self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  1054.             self.slot_engineStart()

  1055.             self.loadProjectNow()

  1056.             self.host.nsm_ready(NSM_CALLBACK_OPEN)

  1057. 

  1058.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  1059. 

  1060.     # --------------------------------------------------------------------------------------------------------

  1061.     # Engine (host callbacks)

  1062. 

  1063.     @pyqtSlot(int, int, int, int, float, str)

  1064.     def slot_handleEngineStartedCallback(self, pluginCount, processMode, transportMode, bufferSize, sampleRate, driverName):

  1065.         self.ui.menu_PluginMacros.setEnabled(True)

  1066.         self.ui.menu_Canvas.setEnabled(True)

  1067.         self.ui.w_transport.setEnabled(True)

  1068. 

  1069.         self.ui.act_canvas_show_internal.blockSignals(True)

  1070.         self.ui.act_canvas_show_external.blockSignals(True)

  1071. 

  1072.         if processMode == ENGINE_PROCESS_MODE_PATCHBAY and not self.host.isPlugin:

  1073.             self.ui.act_canvas_show_internal.setChecked(True)

  1074.             self.ui.act_canvas_show_internal.setVisible(True)

  1075.             self.ui.act_canvas_show_external.setChecked(False)

  1076.             self.ui.act_canvas_show_external.setVisible(True)

  1077.             self.fExternalPatchbay = False

  1078.         else:

  1079.             self.ui.act_canvas_show_internal.setChecked(False)

  1080.             self.ui.act_canvas_show_internal.setVisible(False)

  1081.             self.ui.act_canvas_show_external.setChecked(True)

  1082.             self.ui.act_canvas_show_external.setVisible(False)

  1083.             self.fExternalPatchbay = not self.host.isPlugin

  1084. 

  1085.         self.ui.act_canvas_show_internal.blockSignals(False)

  1086.         self.ui.act_canvas_show_external.blockSignals(False)

  1087. 

  1088.         if not (self.host.isControl or self.host.isPlugin):

  1089.             canSave = (self.fProjectFilename and os.path.exists(self.fProjectFilename)) or not self.fSessionManagerName

  1090.             self.ui.act_file_save.setEnabled(canSave)

  1091.             self.ui.act_engine_start.setEnabled(False)

  1092.             self.ui.act_engine_stop.setEnabled(True)

  1093. 

  1094.         if not self.host.isPlugin:

  1095.             self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1096. 

  1097.         if self.host.isPlugin or not self.fSessionManagerName or self.fLADISH:

  1098.             self.ui.act_file_open.setEnabled(True)

  1099.             self.ui.act_file_save_as.setEnabled(True)

  1100. 

  1101.         self.ui.cb_transport_jack.setChecked(transportMode == ENGINE_TRANSPORT_MODE_JACK)

  1102.         self.ui.cb_transport_jack.setEnabled(driverName == "JACK" and processMode != ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS)

  1103. 

  1104.         if self.ui.cb_transport_link.isEnabled():

  1105.             self.ui.cb_transport_link.setChecked(":link:" in self.host.transportExtra)

  1106. 

  1107.         self.updateBufferSize(bufferSize)

  1108.         self.updateSampleRate(int(sampleRate))

  1109.         self.refreshRuntimeInfo(0.0, 0)

  1110.         self.startTimers()

  1111. 

  1112.         self.ui.text_logs.appendPlainText("======= Engine started ========")

  1113.         self.ui.text_logs.appendPlainText("Carla engine started, details:")

  1114.         self.ui.text_logs.appendPlainText("  Driver name:  %s" % driverName)

  1115.         self.ui.text_logs.appendPlainText("  Sample rate:  %i" % int(sampleRate))

  1116.         self.ui.text_logs.appendPlainText("  Process mode: %s" % processMode2Str(processMode))

  1117. 

  1118.     @pyqtSlot()

  1119.     def slot_handleEngineStoppedCallback(self):

  1120.         self.ui.text_logs.appendPlainText("======= Engine stopped ========")

  1121. 

  1122.         if self.fWithCanvas:

  1123.             patchcanvas.clear()

  1124. 

  1125.         self.killTimers()

  1126. 

  1127.         # just in case

  1128.         self.removeAllPlugins()

  1129.         self.refreshRuntimeInfo(0.0, 0)

  1130. 

  1131.         self.ui.menu_PluginMacros.setEnabled(False)

  1132.         self.ui.menu_Canvas.setEnabled(False)

  1133.         self.ui.w_transport.setEnabled(False)

  1134. 

  1135.         if not (self.host.isControl or self.host.isPlugin):

  1136.             self.ui.act_file_save.setEnabled(False)

  1137.             self.ui.act_engine_start.setEnabled(True)

  1138.             self.ui.act_engine_stop.setEnabled(False)

  1139. 

  1140.         if self.host.isPlugin or not self.fSessionManagerName or self.fLADISH:

  1141.             self.ui.act_file_open.setEnabled(False)

  1142.             self.ui.act_file_save_as.setEnabled(False)

  1143. 

  1144.     @pyqtSlot(int, str)

  1145.     def slot_handleTransportModeChangedCallback(self, transportMode, transportExtra):

  1146.         self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1147. 

  1148.         self.ui.cb_transport_jack.setChecked(transportMode == ENGINE_TRANSPORT_MODE_JACK)

  1149.         self.ui.cb_transport_link.setChecked(":link:" in transportExtra)

  1150. 

  1151.     @pyqtSlot(int)

  1152.     def slot_handleBufferSizeChangedCallback(self, newBufferSize):

  1153.         self.updateBufferSize(newBufferSize)

  1154. 

  1155.     @pyqtSlot(float)

  1156.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  1157.         self.updateSampleRate(int(newSampleRate))

  1158. 

  1159.     @pyqtSlot(int, bool, str)

  1160.     def slot_handleCancelableActionCallback(self, pluginId, started, action):

  1161.         if self.fCancelableActionBox is not None:

  1162.             self.fCancelableActionBox.close()

  1163. 

  1164.         if started:

  1165.             self.fCancelableActionBox = QMessageBox(self)

  1166.             self.fCancelableActionBox.setIcon(QMessageBox.Information)

  1167.             self.fCancelableActionBox.setWindowTitle(self.tr("Action in progress"))

  1168.             self.fCancelableActionBox.setText(action)

  1169.             self.fCancelableActionBox.setInformativeText(self.tr("An action is in progress, please wait..."))

  1170.             self.fCancelableActionBox.setStandardButtons(QMessageBox.Cancel)

  1171.             self.fCancelableActionBox.setDefaultButton(QMessageBox.Cancel)

  1172.             self.fCancelableActionBox.buttonClicked.connect(self.slot_canlableActionBoxClicked)

  1173.             self.fCancelableActionBox.show()

  1174. 

  1175.         else:

  1176.             self.fCancelableActionBox = None

  1177. 

  1178.     @pyqtSlot()

  1179.     def slot_canlableActionBoxClicked(self):

  1180.         self.host.cancel_engine_action()

  1181. 

  1182.     @pyqtSlot()

  1183.     def slot_handleProjectLoadFinishedCallback(self):

  1184.         self.fIsProjectLoading = False

  1185.         self.projectLoadingFinished(False)

  1186. 

  1187.     # --------------------------------------------------------------------------------------------------------

  1188.     # Plugins

  1189. 

  1190.     def removeAllPlugins(self):

  1191.         self.ui.act_plugin_remove_all.setEnabled(False)

  1192.         patchcanvas.handleAllPluginsRemoved()

  1193. 

  1194.         while self.ui.listWidget.takeItem(0):

  1195.             pass

  1196. 

  1197.         self.clearSideStuff()

  1198. 

  1199.         for pitem in self.fPluginList:

  1200.             if pitem is None:

  1201.                 continue

  1202. 

  1203.             pitem.close()

  1204.             del pitem

  1205. 

  1206.         self.fPluginCount = 0

  1207.         self.fPluginList  = []

  1208. 

  1209.     # --------------------------------------------------------------------------------------------------------

  1210.     # Plugins (menu actions)

  1211. 

  1212.     def showAddPluginDialog(self):

  1213.         #ret = gCarla.felib.createAndExecPluginListDialog(self.fParentOrSelf,

  1214.                                                          #self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS])

  1215.         #print(ret)

  1216.         #return

  1217.         #ret = gCarla.felib.createAndExecPluginListRefreshDialog(self.fParentOrSelf,

  1218.                                                                 #self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS])

  1219.         #print(ret)

  1220.         #return

  1221. 

  1222.         if self.fPluginDatabaseDialog is None:

  1223.             self.fPluginDatabaseDialog = PluginListDialog(self.fParentOrSelf, self.host,

  1224.                                                           self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS])

  1225.         dialog = self.fPluginDatabaseDialog

  1226.         dialog.hasLoadedLv2Plugins = self.fHasLoadedLv2Plugins

  1227. 

  1228.         ret = dialog.exec_()

  1229. 

  1230.         if dialog.fFavoritePluginsChanged:

  1231.             self.fFavoritePlugins = dialog.fFavoritePlugins

  1232. 

  1233.         if not ret:

  1234.             return

  1235. 

  1236.         if not self.host.is_engine_running():

  1237.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1238.             return

  1239. 

  1240.         btype    = dialog.fRetPlugin['build']

  1241.         ptype    = dialog.fRetPlugin['type']

  1242.         filename = dialog.fRetPlugin['filename']

  1243.         label    = dialog.fRetPlugin['label']

  1244.         uniqueId = dialog.fRetPlugin['uniqueId']

  1245.         extraPtr = self.getExtraPtr(dialog.fRetPlugin)

  1246. 

  1247.         return (btype, ptype, filename, label, uniqueId, extraPtr)

  1248. 

  1249.     def showAddJackAppDialog(self):

  1250.         ret = gCarla.felib.createAndExecJackAppDialog(self.fParentOrSelf, self.fProjectFilename)

  1251. 

  1252.         if not ret:

  1253.             return

  1254. 

  1255.         if not self.host.is_engine_running():

  1256.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1257.             return

  1258. 

  1259.         return ret

  1260. 

  1261.     @pyqtSlot()

  1262.     def slot_favoritePluginAdd(self):

  1263.         plugin = self.sender().data()

  1264. 

  1265.         if plugin is None:

  1266.             return

  1267. 

  1268.         if not self.host.add_plugin(plugin['build'], plugin['type'], plugin['filename'], None,

  1269.                                     plugin['label'], plugin['uniqueId'], None, PLUGIN_OPTIONS_NULL):

  1270.             # remove plugin from favorites

  1271.             try:

  1272.                 self.fFavoritePlugins.remove(plugin)

  1273.             except ValueError:

  1274.                 pass

  1275.             else:

  1276.                 settingsDBf = QSafeSettings("falkTX", "CarlaDatabase2")

  1277.                 settingsDBf.setValue("PluginDatabase/Favorites", self.fFavoritePlugins)

  1278.                 settingsDBf.sync()

  1279.                 del settingsDBf

  1280. 

  1281.             CustomMessageBox(self,

  1282.                              QMessageBox.Critical,

  1283.                              self.tr("Error"),

  1284.                              self.tr("Failed to load plugin"),

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

  1286. 

  1287.     @pyqtSlot()

  1288.     def slot_showPluginActionsMenu(self):

  1289.         menu = QMenu(self)

  1290. 

  1291.         menu.addSection("Plugins")

  1292.         menu.addAction(self.ui.act_plugin_add)

  1293. 

  1294.         if len(self.fFavoritePlugins) != 0:

  1295.             fmenu = QMenu("Add from favorites", self)

  1296.             for p in self.fFavoritePlugins:

  1297.                 act = fmenu.addAction(p['name'])

  1298.                 act.setData(p)

  1299.                 act.triggered.connect(self.slot_favoritePluginAdd)

  1300.             menu.addMenu(fmenu)

  1301. 

  1302.         menu.addAction(self.ui.act_plugin_remove_all)

  1303. 

  1304.         menu.addSection("All plugins (macros)")

  1305.         menu.addAction(self.ui.act_plugins_enable)

  1306.         menu.addAction(self.ui.act_plugins_disable)

  1307.         menu.addSeparator()

  1308.         menu.addAction(self.ui.act_plugins_volume100)

  1309.         menu.addAction(self.ui.act_plugins_mute)

  1310.         menu.addSeparator()

  1311.         menu.addAction(self.ui.act_plugins_wet100)

  1312.         menu.addAction(self.ui.act_plugins_bypass)

  1313.         menu.addSeparator()

  1314.         menu.addAction(self.ui.act_plugins_center)

  1315.         menu.addSeparator()

  1316.         menu.addAction(self.ui.act_plugins_compact)

  1317.         menu.addAction(self.ui.act_plugins_expand)

  1318. 

  1319.         menu.exec_(QCursor.pos())

  1320. 

  1321.     @pyqtSlot()

  1322.     def slot_pluginAdd(self):

  1323.         data = self.showAddPluginDialog()

  1324. 

  1325.         if data is None:

  1326.             return

  1327. 

  1328.         btype, ptype, filename, label, uniqueId, extraPtr = data

  1329. 

  1330.         if not self.host.add_plugin(btype, ptype, filename, None, label, uniqueId, extraPtr, PLUGIN_OPTIONS_NULL):

  1331.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1332.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1333. 

  1334.     @pyqtSlot()

  1335.     def slot_confirmRemoveAll(self):

  1336.         if self.fPluginCount == 0:

  1337.             return

  1338. 

  1339.         if QMessageBox.question(self, self.tr("Remove All"),

  1340.                                       self.tr("Are you sure you want to remove all plugins?"),

  1341.                                       QMessageBox.Yes|QMessageBox.No) == QMessageBox.No:

  1342.             return

  1343. 

  1344.         self.pluginRemoveAll()

  1345. 

  1346.     def pluginRemoveAll(self):

  1347.         if self.fPluginCount == 0:

  1348.             return

  1349. 

  1350.         self.fCurrentlyRemovingAllPlugins = True

  1351.         self.projectLoadingStarted()

  1352. 

  1353.         if not self.host.remove_all_plugins():

  1354.             self.projectLoadingFinished(True)

  1355.             self.fCurrentlyRemovingAllPlugins = False

  1356.             CustomMessageBox(self, QMessageBox.Warning, self.tr("Error"), self.tr("Operation failed"),

  1357.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1358. 

  1359.     @pyqtSlot()

  1360.     def slot_jackAppAdd(self):

  1361.         data = self.showAddJackAppDialog()

  1362. 

  1363.         if data is None:

  1364.             return

  1365. 

  1366.         if not data['command']:

  1367.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Cannot add jack application"),

  1368.                              self.tr("command is empty"), QMessageBox.Ok, QMessageBox.Ok)

  1369.             return

  1370. 

  1371.         if not self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK,

  1372.                                     data['command'], data['name'], data['labelSetup'],

  1373.                                     0, None, PLUGIN_OPTIONS_NULL):

  1374.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1375.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1376. 

  1377.     # --------------------------------------------------------------------------------------------------------

  1378.     # Plugins (macros)

  1379. 

  1380.     @pyqtSlot()

  1381.     def slot_pluginsEnable(self):

  1382.         if not self.host.is_engine_running():

  1383.             return

  1384. 

  1385.         for pitem in self.fPluginList:

  1386.             if pitem is None:

  1387.                 break

  1388. 

  1389.             pitem.getWidget().setActive(True, True, True)

  1390. 

  1391.     @pyqtSlot()

  1392.     def slot_pluginsDisable(self):

  1393.         if not self.host.is_engine_running():

  1394.             return

  1395. 

  1396.         for pitem in self.fPluginList:

  1397.             if pitem is None:

  1398.                 break

  1399. 

  1400.             pitem.getWidget().setActive(False, True, True)

  1401. 

  1402.     @pyqtSlot()

  1403.     def slot_pluginsVolume100(self):

  1404.         if not self.host.is_engine_running():

  1405.             return

  1406. 

  1407.         for pitem in self.fPluginList:

  1408.             if pitem is None:

  1409.                 break

  1410. 

  1411.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 1.0)

  1412. 

  1413.     @pyqtSlot()

  1414.     def slot_pluginsMute(self):

  1415.         if not self.host.is_engine_running():

  1416.             return

  1417. 

  1418.         for pitem in self.fPluginList:

  1419.             if pitem is None:

  1420.                 break

  1421. 

  1422.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 0.0)

  1423. 

  1424.     @pyqtSlot()

  1425.     def slot_pluginsWet100(self):

  1426.         if not self.host.is_engine_running():

  1427.             return

  1428. 

  1429.         for pitem in self.fPluginList:

  1430.             if pitem is None:

  1431.                 break

  1432. 

  1433.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 1.0)

  1434. 

  1435.     @pyqtSlot()

  1436.     def slot_pluginsBypass(self):

  1437.         if not self.host.is_engine_running():

  1438.             return

  1439. 

  1440.         for pitem in self.fPluginList:

  1441.             if pitem is None:

  1442.                 break

  1443. 

  1444.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 0.0)

  1445. 

  1446.     @pyqtSlot()

  1447.     def slot_pluginsCenter(self):

  1448.         if not self.host.is_engine_running():

  1449.             return

  1450. 

  1451.         for pitem in self.fPluginList:

  1452.             if pitem is None:

  1453.                 break

  1454. 

  1455.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1456.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1457.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1458. 

  1459.     @pyqtSlot()

  1460.     def slot_pluginsCompact(self):

  1461.         for pitem in self.fPluginList:

  1462.             if pitem is None:

  1463.                 break

  1464.             pitem.compact()

  1465. 

  1466.     @pyqtSlot()

  1467.     def slot_pluginsExpand(self):

  1468.         for pitem in self.fPluginList:

  1469.             if pitem is None:

  1470.                 break

  1471.             pitem.expand()

  1472. 

  1473.     # --------------------------------------------------------------------------------------------------------

  1474.     # Plugins (host callbacks)

  1475. 

  1476.     @pyqtSlot(int, int, str)

  1477.     def slot_handlePluginAddedCallback(self, pluginId, pluginType, pluginName):

  1478.         if pluginId != self.fPluginCount:

  1479.             print("ERROR: pluginAdded mismatch Id:", pluginId, self.fPluginCount)

  1480.             pitem = self.getPluginItem(pluginId)

  1481.             pitem.recreateWidget()

  1482.             return

  1483. 

  1484.         pitem = self.ui.listWidget.createItem(pluginId, self.fSavedSettings[CARLA_KEY_MAIN_CLASSIC_SKIN])

  1485.         self.fPluginList.append(pitem)

  1486.         self.fPluginCount += 1

  1487. 

  1488.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1489. 

  1490.         if pluginType == PLUGIN_LV2:

  1491.             self.fHasLoadedLv2Plugins = True

  1492. 

  1493.     @pyqtSlot(int)

  1494.     def slot_handlePluginRemovedCallback(self, pluginId):

  1495.         if self.fWithCanvas:

  1496.             patchcanvas.handlePluginRemoved(pluginId)

  1497. 

  1498.         if pluginId in self.fSelectedPlugins:

  1499.             self.clearSideStuff()

  1500. 

  1501.         if self.fPluginCount == 0:

  1502.             return

  1503. 

  1504.         pitem = self.getPluginItem(pluginId)

  1505. 

  1506.         self.fPluginCount -= 1

  1507.         self.fPluginList.pop(pluginId)

  1508.         self.ui.listWidget.takeItem(pluginId)

  1509. 

  1510.         if pitem is not None:

  1511.             pitem.close()

  1512.             del pitem

  1513. 

  1514.         if self.fPluginCount == 0:

  1515.             self.ui.act_plugin_remove_all.setEnabled(False)

  1516.             if self.fCurrentlyRemovingAllPlugins:

  1517.                 self.fCurrentlyRemovingAllPlugins = False

  1518.                 self.projectLoadingFinished(False)

  1519.             return

  1520. 

  1521.         # push all plugins 1 slot back

  1522.         for i in range(pluginId, self.fPluginCount):

  1523.             pitem = self.fPluginList[i]

  1524.             pitem.setPluginId(i)

  1525. 

  1526.         self.ui.act_plugin_remove_all.setEnabled(True)

  1527. 

  1528.     # --------------------------------------------------------------------------------------------------------

  1529.     # Canvas

  1530. 

  1531.     def clearSideStuff(self):

  1532.         if self.fWithCanvas:

  1533.             self.scene.clearSelection()

  1534. 

  1535.         self.fSelectedPlugins = []

  1536. 

  1537.         self.ui.keyboard.allNotesOff(False)

  1538.         self.ui.scrollArea.setEnabled(False)

  1539. 

  1540.         self.fPeaksCleared = True

  1541.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1542.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1543.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1544.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1545. 

  1546.     def setupCanvas(self):

  1547.         pOptions = patchcanvas.options_t()

  1548.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1549.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1550.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1551.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1552.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1553.         pOptions.inline_displays   = self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS]

  1554. 

  1555.         if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY]:

  1556.             pOptions.eyecandy = patchcanvas.EYECANDY_FULL

  1557.         elif self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]:

  1558.             pOptions.eyecandy = patchcanvas.EYECANDY_SMALL

  1559.         else:

  1560.             pOptions.eyecandy = patchcanvas.EYECANDY_NONE

  1561. 

  1562.         pFeatures = patchcanvas.features_t()

  1563.         pFeatures.group_info   = False

  1564.         pFeatures.group_rename = False

  1565.         pFeatures.port_info    = False

  1566.         pFeatures.port_rename  = False

  1567.         pFeatures.handle_group_pos = False

  1568. 

  1569.         patchcanvas.setOptions(pOptions)

  1570.         patchcanvas.setFeatures(pFeatures)

  1571.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1572. 

  1573.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1574. 

  1575.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1576.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1577.             self.fCanvasHeight = int(tryCanvasSize[1])

  1578.         else:

  1579.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1580.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1581. 

  1582.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1583.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1584.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1585. 

  1586.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1587.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1588. 

  1589.         if self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] != patchcanvas.ANTIALIASING_NONE:

  1590.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, True)

  1591. 

  1592.             fullAA = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] == patchcanvas.ANTIALIASING_FULL

  1593.             self.ui.graphicsView.setRenderHint(QPainter.SmoothPixmapTransform, fullAA)

  1594.             self.ui.graphicsView.setRenderHint(QPainter.TextAntialiasing, fullAA)

  1595. 

  1596.             if self.fSavedSettings[CARLA_KEY_CANVAS_USE_OPENGL] and hasGL:

  1597.                 self.ui.graphicsView.setRenderHint(QPainter.HighQualityAntialiasing, self.fSavedSettings[CARLA_KEY_CANVAS_HQ_ANTIALIASING])

  1598. 

  1599.         else:

  1600.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, False)

  1601. 

  1602.         if self.fSavedSettings[CARLA_KEY_CANVAS_FULL_REPAINTS]:

  1603.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.FullViewportUpdate)

  1604.         else:

  1605.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.MinimalViewportUpdate)

  1606. 

  1607.     def updateCanvasInitialPos(self):

  1608.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1609.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1610.         patchcanvas.setInitialPos(x, y)

  1611. 

  1612.     def updateMiniCanvasLater(self):

  1613.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1614. 

  1615.     # --------------------------------------------------------------------------------------------------------

  1616.     # Canvas (menu actions)

  1617. 

  1618.     @pyqtSlot()

  1619.     def slot_canvasShowInternal(self):

  1620.         self.fExternalPatchbay = False

  1621.         self.ui.act_canvas_show_internal.blockSignals(True)

  1622.         self.ui.act_canvas_show_external.blockSignals(True)

  1623.         self.ui.act_canvas_show_internal.setChecked(True)

  1624.         self.ui.act_canvas_show_external.setChecked(False)

  1625.         self.ui.act_canvas_show_internal.blockSignals(False)

  1626.         self.ui.act_canvas_show_external.blockSignals(False)

  1627.         self.slot_canvasRefresh()

  1628. 

  1629.     @pyqtSlot()

  1630.     def slot_canvasShowExternal(self):

  1631.         self.fExternalPatchbay = True

  1632.         self.ui.act_canvas_show_internal.blockSignals(True)

  1633.         self.ui.act_canvas_show_external.blockSignals(True)

  1634.         self.ui.act_canvas_show_internal.setChecked(False)

  1635.         self.ui.act_canvas_show_external.setChecked(True)

  1636.         self.ui.act_canvas_show_internal.blockSignals(False)

  1637.         self.ui.act_canvas_show_external.blockSignals(False)

  1638.         self.slot_canvasRefresh()

  1639. 

  1640.     @pyqtSlot()

  1641.     def slot_canvasArrange(self):

  1642.         patchcanvas.arrange()

  1643. 

  1644.     @pyqtSlot()

  1645.     def slot_canvasRefresh(self):

  1646.         patchcanvas.clear()

  1647. 

  1648.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1649.             return

  1650. 

  1651.         if self.host.is_engine_running():

  1652.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1653. 

  1654.         self.updateMiniCanvasLater()

  1655. 

  1656.     @pyqtSlot()

  1657.     def slot_canvasZoomFit(self):

  1658.         self.scene.zoom_fit()

  1659. 

  1660.     @pyqtSlot()

  1661.     def slot_canvasZoomIn(self):

  1662.         self.scene.zoom_in()

  1663. 

  1664.     @pyqtSlot()

  1665.     def slot_canvasZoomOut(self):

  1666.         self.scene.zoom_out()

  1667. 

  1668.     @pyqtSlot()

  1669.     def slot_canvasZoomReset(self):

  1670.         self.scene.zoom_reset()

  1671. 

  1672.     def _canvasImageRender(self, zoom = 1.0):

  1673.         image   = QImage(self.scene.width()*zoom, self.scene.height()*zoom, QImage.Format_RGB32)

  1674.         painter = QPainter(image)

  1675.         painter.save()

  1676.         painter.setRenderHints(painter.renderHints() | QPainter.Antialiasing | QPainter.TextAntialiasing)

  1677.         self.scene.clearSelection()

  1678.         self.scene.render(painter)

  1679.         painter.restore()

  1680.         del painter

  1681.         return image

  1682. 

  1683.     def _canvasImageWrite(self, iw: QImageWriter, imgFormat: bytes, image: QImage):

  1684.         iw.setFormat(imgFormat)

  1685.         iw.setCompression(-1)

  1686.         if QT_VERSION >= 0x50500:

  1687.             iw.setOptimizedWrite(True)

  1688.         iw.write(image)

  1689. 

  1690.     @pyqtSlot()

  1691.     def slot_canvasSaveImage(self):

  1692.         if self.fProjectFilename:

  1693.             dir = QFileInfo(self.fProjectFilename).absoluteDir().absolutePath()

  1694.         else:

  1695.             dir = self.fSavedSettings[CARLA_KEY_MAIN_PROJECT_FOLDER]

  1696. 

  1697.         fileDialog = QFileDialog(self)

  1698.         fileDialog.setAcceptMode(QFileDialog.AcceptSave)

  1699.         fileDialog.setDirectory(dir)

  1700.         fileDialog.setFileMode(QFileDialog.AnyFile)

  1701.         fileDialog.setMimeTypeFilters(("image/png", "image/jpeg"))

  1702.         fileDialog.setNameFilter(self.tr("Images (*.png *.jpg)"))

  1703.         fileDialog.setOptions(QFileDialog.DontUseCustomDirectoryIcons)

  1704.         fileDialog.setWindowTitle(self.tr("Save Image"))

  1705. 

  1706.         ok = fileDialog.exec_()

  1707. 

  1708.         if not ok:

  1709.             return

  1710. 

  1711.         newPath = fileDialog.selectedFiles()

  1712. 

  1713.         if len(newPath) != 1:

  1714.             return

  1715. 

  1716.         newPath = newPath[0]

  1717. 

  1718.         if QT_VERSION >= 0x50900:

  1719.             if fileDialog.selectedMimeTypeFilter() == "image/jpeg":

  1720.                 imgFormat = b"JPG"

  1721.             else:

  1722.                 imgFormat = b"PNG"

  1723.         else:

  1724.             if newPath.lower().endswith((".jpg", ".jpeg")):

  1725.                 imgFormat = b"JPG"

  1726.             else:

  1727.                 imgFormat = b"PNG"

  1728. 

  1729.         sender = self.sender()

  1730.         if sender == self.ui.act_canvas_save_image_2x:

  1731.             zoom = 2.0

  1732.         elif sender == self.ui.act_canvas_save_image_4x:

  1733.             zoom = 4.0

  1734.         else:

  1735.             zoom = 1.0

  1736. 

  1737.         image = self._canvasImageRender(zoom)

  1738.         iw = QImageWriter(newPath)

  1739.         self._canvasImageWrite(iw, imgFormat, image)

  1740. 

  1741.     @pyqtSlot()

  1742.     def slot_canvasCopyToClipboard(self):

  1743.         buffer = QBuffer()

  1744.         buffer.open(QIODevice.WriteOnly)

  1745. 

  1746.         image = self._canvasImageRender()

  1747.         iw = QImageWriter(buffer, b"PNG")

  1748.         self._canvasImageWrite(iw, b"PNG", image)

  1749. 

  1750.         buffer.close()

  1751. 

  1752.         mimeData = QMimeData()

  1753.         mimeData.setData("image/png", buffer.buffer());

  1754. 

  1755.         QApplication.clipboard().setMimeData(mimeData)

  1756. 

  1757.     # --------------------------------------------------------------------------------------------------------

  1758.     # Canvas (canvas callbacks)

  1759. 

  1760.     @pyqtSlot()

  1761.     def slot_canvasSelectionChanged(self):

  1762.         self.updateMiniCanvasLater()

  1763. 

  1764.     @pyqtSlot(float)

  1765.     def slot_canvasScaleChanged(self, scale):

  1766.         self.ui.miniCanvasPreview.setViewScale(scale)

  1767. 

  1768.     @pyqtSlot(list)

  1769.     def slot_canvasPluginSelected(self, pluginList):

  1770.         self.ui.keyboard.allNotesOff(False)

  1771.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1772.         self.fSelectedPlugins = pluginList

  1773. 

  1774.     # --------------------------------------------------------------------------------------------------------

  1775.     # Canvas (host callbacks)

  1776. 

  1777.     @pyqtSlot(int, int, int, str)

  1778.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1779.         pcSplit = patchcanvas.SPLIT_UNDEF

  1780.         pcIcon  = patchcanvas.ICON_APPLICATION

  1781. 

  1782.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1783.             pcIcon = patchcanvas.ICON_PLUGIN

  1784.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1785.             pcIcon = patchcanvas.ICON_HARDWARE

  1786.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1787.             pass

  1788.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1789.             pcIcon = patchcanvas.ICON_DISTRHO

  1790.         elif clientIcon == PATCHBAY_ICON_FILE:

  1791.             pcIcon = patchcanvas.ICON_FILE

  1792. 

  1793.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1794. 

  1795.         self.updateMiniCanvasLater()

  1796. 

  1797.         if pluginId < 0:

  1798.             return

  1799.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1800.             print("Error mapping plugin to canvas client:", clientName)

  1801.             return

  1802. 

  1803.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1804.             hasCustomUI = False

  1805.             hasInlineDisplay = False

  1806.         else:

  1807.             hints = self.host.get_plugin_info(pluginId)['hints']

  1808.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1809.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1810. 

  1811.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1812. 

  1813.     @pyqtSlot(int)

  1814.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1815.         patchcanvas.removeGroup(clientId)

  1816.         self.updateMiniCanvasLater()

  1817. 

  1818.     @pyqtSlot(int, str)

  1819.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1820.         patchcanvas.renameGroup(clientId, newClientName)

  1821.         self.updateMiniCanvasLater()

  1822. 

  1823.     @pyqtSlot(int, int, int)

  1824.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1825.         pcIcon = patchcanvas.ICON_APPLICATION

  1826. 

  1827.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1828.             pcIcon = patchcanvas.ICON_PLUGIN

  1829.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1830.             pcIcon = patchcanvas.ICON_HARDWARE

  1831.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1832.             pass

  1833.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1834.             pcIcon = patchcanvas.ICON_DISTRHO

  1835.         elif clientIcon == PATCHBAY_ICON_FILE:

  1836.             pcIcon = patchcanvas.ICON_FILE

  1837. 

  1838.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1839.         self.updateMiniCanvasLater()

  1840. 

  1841.         if pluginId < 0:

  1842.             return

  1843.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1844.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1845.             return

  1846. 

  1847.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1848.             hasCustomUI = False

  1849.             hasInlineDisplay = False

  1850.         else:

  1851.             hints = self.host.get_plugin_info(pluginId)['hints']

  1852.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1853.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1854. 

  1855.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1856. 

  1857.     @pyqtSlot(int, int, int, int, int)

  1858.     def slot_handlePatchbayClientPositionChangedCallback(self, clientId, x1, y1, x2, y2):

  1859.         if (x1 != 0 and x2 != 0) or (y1 != 0 and y2 != 0):

  1860.             patchcanvas.splitGroup(clientId)

  1861.         else:

  1862.             patchcanvas.joinGroup(clientId)

  1863.         patchcanvas.setGroupPosFull(clientId, x1, y1, x2, y2)

  1864.         self.updateMiniCanvasLater()

  1865. 

  1866.     @pyqtSlot(int, int, int, int, str)

  1867.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portGroupId, portName):

  1868.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1869.             portMode = patchcanvas.PORT_MODE_INPUT

  1870.         else:

  1871.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1872. 

  1873.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1874.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1875.             isAlternate = False

  1876.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1877.             portType    = patchcanvas.PORT_TYPE_PARAMETER

  1878.             isAlternate = False

  1879.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1880.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1881.             isAlternate = False

  1882.         else:

  1883.             portType    = patchcanvas.PORT_TYPE_NULL

  1884.             isAlternate = False

  1885. 

  1886.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1887.         self.updateMiniCanvasLater()

  1888. 

  1889.     @pyqtSlot(int, int)

  1890.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  1891.         patchcanvas.removePort(groupId, portId)

  1892.         self.updateMiniCanvasLater()

  1893. 

  1894.     @pyqtSlot(int, int, int, int, str)

  1895.     def slot_handlePatchbayPortChangedCallback(self, groupId, portId, portFlags, portGroupId, newPortName):

  1896.         patchcanvas.renamePort(groupId, portId, newPortName)

  1897.         self.updateMiniCanvasLater()

  1898. 

  1899.     @pyqtSlot(int, int, int, str)

  1900.     def slot_handlePatchbayPortGroupAddedCallback(self, groupId, portId, portGroupId, newPortName):

  1901.         # TODO

  1902.         pass

  1903. 

  1904.     @pyqtSlot(int, int)

  1905.     def slot_handlePatchbayPortGroupRemovedCallback(self, groupId, portId):

  1906.         # TODO

  1907.         pass

  1908. 

  1909.     @pyqtSlot(int, int, int, str)

  1910.     def slot_handlePatchbayPortGroupChangedCallback(self, groupId, portId, portGroupId, newPortName):

  1911.         # TODO

  1912.         pass

  1913. 

  1914.     @pyqtSlot(int, int, int, int, int)

  1915.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1916.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1917.         self.updateMiniCanvasLater()

  1918. 

  1919.     @pyqtSlot(int, int, int)

  1920.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1921.         patchcanvas.disconnectPorts(connectionId)

  1922.         self.updateMiniCanvasLater()

  1923. 

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

  1925.     # Settings

  1926. 

  1927.     def saveSettings(self):

  1928.         settings = QSafeSettings()

  1929. 

  1930.         settings.setValue("Geometry", self.saveGeometry())

  1931.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  1932.         settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  1933. 

  1934.         diskFolders = []

  1935. 

  1936.         for i in range(self.ui.cb_disk.count()):

  1937.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1938. 

  1939.         settings.setValue("DiskFolders", diskFolders)

  1940.         settings.setValue("LastBPM", self.fLastTransportBPM)

  1941. 

  1942.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1943.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1944.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1945.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1946. 

  1947.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_MODE,  self.host.transportMode)

  1948.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, self.host.transportExtra)

  1949. 

  1950.         return settings

  1951. 

  1952.     def loadSettings(self, firstTime):

  1953.         settings = QSafeSettings()

  1954. 

  1955.         if firstTime:

  1956.             geometry = settings.value("Geometry", QByteArray(), QByteArray)

  1957.             if not geometry.isNull():

  1958.                 self.restoreGeometry(geometry)

  1959. 

  1960.             showToolbar = settings.value("ShowToolbar", True, bool)

  1961.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1962.             self.ui.toolBar.blockSignals(True)

  1963.             self.ui.toolBar.setEnabled(showToolbar)

  1964.             self.ui.toolBar.setVisible(showToolbar)

  1965.             self.ui.toolBar.blockSignals(False)

  1966. 

  1967.             #if settings.contains("SplitterState"):

  1968.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  1969.             #else:

  1970.                 #self.ui.splitter.setSizes([210, 99999])

  1971. 

  1972.             showSidePanel = settings.value("ShowSidePanel", True, bool)

  1973.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  1974.             self.slot_showSidePanel(showSidePanel)

  1975. 

  1976.             diskFolders = settings.value("DiskFolders", [HOME], list)

  1977. 

  1978.             self.ui.cb_disk.setItemData(0, HOME)

  1979. 

  1980.             for i in range(len(diskFolders)):

  1981.                 if i == 0: continue

  1982.                 folder = diskFolders[i]

  1983.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1984. 

  1985.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, bool):

  1986.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1987. 

  1988.             showMeters = settings.value("ShowMeters", True, bool)

  1989.             self.ui.act_settings_show_meters.setChecked(showMeters)

  1990.             self.ui.peak_in.setVisible(showMeters)

  1991.             self.ui.peak_out.setVisible(showMeters)

  1992. 

  1993.             showKeyboard = settings.value("ShowKeyboard", True, bool)

  1994.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  1995.             self.ui.scrollArea.setVisible(showKeyboard)

  1996. 

  1997.             settingsDBf = QSafeSettings("falkTX", "CarlaDatabase2")

  1998.             self.fFavoritePlugins = settingsDBf.value("PluginDatabase/Favorites", [], list)

  1999. 

  2000.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  2001. 

  2002.         # TODO - complete this

  2003.         oldSettings = self.fSavedSettings

  2004. 

  2005.         self.fSavedSettings = {

  2006.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      str),

  2007.             CARLA_KEY_MAIN_CONFIRM_EXIT:        settings.value(CARLA_KEY_MAIN_CONFIRM_EXIT,        CARLA_DEFAULT_MAIN_CONFIRM_EXIT,        bool),

  2008.             CARLA_KEY_MAIN_CLASSIC_SKIN:        settings.value(CARLA_KEY_MAIN_CLASSIC_SKIN,        CARLA_DEFAULT_MAIN_CLASSIC_SKIN,        bool),

  2009.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    int),

  2010.             CARLA_KEY_MAIN_SYSTEM_ICONS:        settings.value(CARLA_KEY_MAIN_SYSTEM_ICONS,        CARLA_DEFAULT_MAIN_SYSTEM_ICONS,        bool),

  2011.             CARLA_KEY_MAIN_EXPERIMENTAL:        settings.value(CARLA_KEY_MAIN_EXPERIMENTAL,        CARLA_DEFAULT_MAIN_EXPERIMENTAL,        bool),

  2012.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             str),

  2013.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              str),

  2014.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  bool),

  2015.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, bool),

  2016.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  bool),

  2017.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         bool),

  2018.             CARLA_KEY_CANVAS_FANCY_EYE_CANDY:   settings.value(CARLA_KEY_CANVAS_FANCY_EYE_CANDY,   CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY,   bool),

  2019.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        bool),

  2020.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      int),

  2021.             CARLA_KEY_CANVAS_HQ_ANTIALIASING:   settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   bool),

  2022.             CARLA_KEY_CANVAS_FULL_REPAINTS:     settings.value(CARLA_KEY_CANVAS_FULL_REPAINTS,     CARLA_DEFAULT_CANVAS_FULL_REPAINTS,     bool),

  2023.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   bool) and

  2024.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", str).lower() == "black"),

  2025.         }

  2026. 

  2027.         if not self.host.isControl:

  2028.             self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS] = settings.value(CARLA_KEY_CANVAS_INLINE_DISPLAYS, CARLA_DEFAULT_CANVAS_INLINE_DISPLAYS, bool)

  2029.         else:

  2030.             self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS] = False

  2031. 

  2032.         settings2 = QSafeSettings("falkTX", "Carla2")

  2033. 

  2034.         if self.host.experimental:

  2035.             visible = settings2.value(CARLA_KEY_EXPERIMENTAL_JACK_APPS, CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS, bool)

  2036.             self.ui.act_plugin_add_jack.setVisible(visible)

  2037.         else:

  2038.             self.ui.act_plugin_add_jack.setVisible(False)

  2039. 

  2040.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY] else 0

  2041. 

  2042.         setEngineSettings(self.host)

  2043.         self.restartTimersIfNeeded()

  2044. 

  2045.         if oldSettings.get(CARLA_KEY_MAIN_CLASSIC_SKIN, None) not in (self.fSavedSettings[CARLA_KEY_MAIN_CLASSIC_SKIN], None):

  2046.             newSkin = "classic" if self.fSavedSettings[CARLA_KEY_MAIN_CLASSIC_SKIN] else None

  2047. 

  2048.             for pitem in self.fPluginList:

  2049.                 if pitem is None:

  2050.                     continue

  2051.                 pitem.recreateWidget(newSkin = newSkin)

  2052. 

  2053.         return settings

  2054. 

  2055.     # --------------------------------------------------------------------------------------------------------

  2056.     # Settings (helpers)

  2057. 

  2058.     def enableTransport(self, enabled):

  2059.         self.ui.group_transport_controls.setEnabled(enabled)

  2060.         self.ui.group_transport_settings.setEnabled(enabled)

  2061. 

  2062.     @pyqtSlot()

  2063.     def slot_restoreCanvasScrollbarValues(self):

  2064.         settings = QSafeSettings()

  2065.         horiz = settings.value("HorizontalScrollBarValue", int(self.ui.graphicsView.horizontalScrollBar().maximum()/2), int)

  2066.         vertc = settings.value("VerticalScrollBarValue", int(self.ui.graphicsView.verticalScrollBar().maximum()/2), int)

  2067.         self.ui.graphicsView.horizontalScrollBar().setValue(horiz)

  2068.         self.ui.graphicsView.verticalScrollBar().setValue(vertc)

  2069. 

  2070.     # --------------------------------------------------------------------------------------------------------

  2071.     # Settings (menu actions)

  2072. 

  2073.     @pyqtSlot(bool)

  2074.     def slot_showSidePanel(self, yesNo):

  2075.         self.ui.dockWidget.setEnabled(yesNo)

  2076.         self.ui.dockWidget.setVisible(yesNo)

  2077. 

  2078.     @pyqtSlot(bool)

  2079.     def slot_showToolbar(self, yesNo):

  2080.         self.ui.toolBar.blockSignals(True)

  2081.         self.ui.toolBar.setEnabled(yesNo)

  2082.         self.ui.toolBar.setVisible(yesNo)

  2083.         self.ui.toolBar.blockSignals(False)

  2084. 

  2085.     @pyqtSlot(bool)

  2086.     def slot_showCanvasMeters(self, yesNo):

  2087.         self.ui.peak_in.setVisible(yesNo)

  2088.         self.ui.peak_out.setVisible(yesNo)

  2089.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  2090. 

  2091.     @pyqtSlot(bool)

  2092.     def slot_showCanvasKeyboard(self, yesNo):

  2093.         self.ui.scrollArea.setVisible(yesNo)

  2094.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  2095. 

  2096.     @pyqtSlot()

  2097.     def slot_configureCarla(self):

  2098.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  2099.         if not dialog.exec_():

  2100.             return

  2101. 

  2102.         self.loadSettings(False)

  2103. 

  2104.         if self.fWithCanvas:

  2105.             patchcanvas.clear()

  2106.             self.setupCanvas()

  2107.             self.slot_miniCanvasCheckAll()

  2108. 

  2109.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  2110.             pass

  2111.         elif self.host.is_engine_running():

  2112.             self.host.patchbay_refresh(self.fExternalPatchbay)

  2113. 

  2114.     # --------------------------------------------------------------------------------------------------------

  2115.     # About (menu actions)

  2116. 

  2117.     @pyqtSlot()

  2118.     def slot_aboutCarla(self):

  2119.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  2120. 

  2121.     @pyqtSlot()

  2122.     def slot_aboutJuce(self):

  2123.         gCarla.felib.createAndExecAboutJuceDialog(self.fParentOrSelf)

  2124. 

  2125.     @pyqtSlot()

  2126.     def slot_aboutQt(self):

  2127.         QApplication.instance().aboutQt()

  2128. 

  2129.     # --------------------------------------------------------------------------------------------------------

  2130.     # Disk (menu actions)

  2131. 

  2132.     @pyqtSlot(int)

  2133.     def slot_diskFolderChanged(self, index):

  2134.         if index < 0:

  2135.             return

  2136.         elif index == 0:

  2137.             filename = HOME

  2138.             self.ui.b_disk_remove.setEnabled(False)

  2139.         else:

  2140.             filename = self.ui.cb_disk.itemData(index)

  2141.             self.ui.b_disk_remove.setEnabled(True)

  2142. 

  2143.         self.fDirModel.setRootPath(filename)

  2144.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  2145. 

  2146.     @pyqtSlot()

  2147.     def slot_diskFolderAdd(self):

  2148.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  2149. 

  2150.         if newPath:

  2151.             if newPath[-1] == os.sep:

  2152.                 newPath = newPath[:-1]

  2153.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  2154.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  2155.             self.ui.b_disk_remove.setEnabled(True)

  2156. 

  2157.     @pyqtSlot()

  2158.     def slot_diskFolderRemove(self):

  2159.         index = self.ui.cb_disk.currentIndex()

  2160. 

  2161.         if index <= 0:

  2162.             return

  2163. 

  2164.         self.ui.cb_disk.removeItem(index)

  2165. 

  2166.         if self.ui.cb_disk.currentIndex() == 0:

  2167.             self.ui.b_disk_remove.setEnabled(False)

  2168. 

  2169.     @pyqtSlot(QModelIndex)

  2170.     def slot_fileTreeDoubleClicked(self, modelIndex):

  2171.         filename = self.fDirModel.filePath(modelIndex)

  2172. 

  2173.         if not self.ui.listWidget.isDragUrlValid(filename):

  2174.             return

  2175. 

  2176.         if not self.host.load_file(filename):

  2177.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  2178.                              self.tr("Failed to load file"),

  2179.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2180.             return

  2181. 

  2182.         if filename.endswith(".carxp"):

  2183.             self.loadExternalCanvasGroupPositionsIfNeeded(filename)

  2184. 

  2185.     # --------------------------------------------------------------------------------------------------------

  2186.     # Transport

  2187. 

  2188.     def refreshTransport(self, forced = False):

  2189.         if not self.ui.l_transport_time.isVisible():

  2190.             return

  2191.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  2192.             return

  2193. 

  2194.         timeInfo = self.host.get_transport_info()

  2195.         playing  = timeInfo['playing']

  2196.         frame    = timeInfo['frame']

  2197.         bpm      = timeInfo['bpm']

  2198. 

  2199.         if playing != self.fLastTransportState or forced:

  2200.             if playing:

  2201.                 if self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS]:

  2202.                     icon = getIcon('media-playback-pause', 16, 'svgz')

  2203.                 else:

  2204.                     icon = QIcon(":/16x16/media-playback-pause.svgz")

  2205.                 self.ui.b_transport_play.setChecked(True)

  2206.                 self.ui.b_transport_play.setIcon(icon)

  2207.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  2208.             else:

  2209.                 if self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS]:

  2210.                     icon = getIcon('media-playback-start', 16, 'svgz')

  2211.                 else:

  2212.                     icon = QIcon(":/16x16/media-playback-start.svgz")

  2213.                 self.ui.b_transport_play.setChecked(False)

  2214.                 self.ui.b_transport_play.setIcon(icon)

  2215.                 #self.ui.b_play.setText(self.tr("&Play"))

  2216. 

  2217.             self.fLastTransportState = playing

  2218. 

  2219.         if frame != self.fLastTransportFrame or forced:

  2220.             self.fLastTransportFrame = frame

  2221. 

  2222.             time = frame / self.fSampleRate

  2223.             secs =  time % 60

  2224.             mins = (time / 60) % 60

  2225.             hrs  = (time / 3600) % 60

  2226.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  2227. 

  2228.             frame1 =  frame % 1000

  2229.             frame2 = (frame / 1000) % 1000

  2230.             frame3 = (frame / 1000000) % 1000

  2231.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  2232. 

  2233.             bar  = timeInfo['bar']

  2234.             beat = timeInfo['beat']

  2235.             tick = timeInfo['tick']

  2236.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  2237. 

  2238.         if bpm != self.fLastTransportBPM or forced:

  2239.             self.fLastTransportBPM = bpm

  2240. 

  2241.             if bpm > 0.0:

  2242.                 self.ui.dsb_transport_bpm.blockSignals(True)

  2243.                 self.ui.dsb_transport_bpm.setValue(bpm)

  2244.                 self.ui.dsb_transport_bpm.blockSignals(False)

  2245.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  2246.             else:

  2247.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  2248. 

  2249.     # --------------------------------------------------------------------------------------------------------

  2250.     # Transport (menu actions)

  2251. 

  2252.     @pyqtSlot(bool)

  2253.     def slot_transportPlayPause(self, toggled):

  2254.         if self.host.isPlugin or not self.host.is_engine_running():

  2255.             return

  2256. 

  2257.         if toggled:

  2258.             self.host.transport_play()

  2259.         else:

  2260.             self.host.transport_pause()

  2261. 

  2262.         self.refreshTransport()

  2263. 

  2264.     @pyqtSlot()

  2265.     def slot_transportStop(self):

  2266.         if self.host.isPlugin or not self.host.is_engine_running():

  2267.             return

  2268. 

  2269.         self.host.transport_pause()

  2270.         self.host.transport_relocate(0)

  2271. 

  2272.         self.refreshTransport()

  2273. 

  2274.     @pyqtSlot()

  2275.     def slot_transportBackwards(self):

  2276.         if self.host.isPlugin or not self.host.is_engine_running():

  2277.             return

  2278. 

  2279.         newFrame = self.host.get_current_transport_frame() - 100000

  2280. 

  2281.         if newFrame < 0:

  2282.             newFrame = 0

  2283. 

  2284.         self.host.transport_relocate(newFrame)

  2285. 

  2286.     @pyqtSlot(float)

  2287.     def slot_transportBpmChanged(self, newValue):

  2288.         self.host.transport_bpm(newValue)

  2289. 

  2290.     @pyqtSlot()

  2291.     def slot_transportForwards(self):

  2292.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  2293.             return

  2294. 

  2295.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  2296.         self.host.transport_relocate(newFrame)

  2297. 

  2298.     @pyqtSlot(bool)

  2299.     def slot_transportJackEnabled(self, clicked):

  2300.         if not self.host.is_engine_running():

  2301.             return

  2302.         self.host.transportMode = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  2303.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  2304.                                     self.host.transportMode,

  2305.                                     self.host.transportExtra)

  2306. 

  2307.     @pyqtSlot(bool)

  2308.     def slot_transportLinkEnabled(self, clicked):

  2309.         if not self.host.is_engine_running():

  2310.             return

  2311.         extra = ":link:" if clicked else ""

  2312.         self.host.transportExtra = extra

  2313.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  2314.                                     self.host.transportMode,

  2315.                                     self.host.transportExtra)

  2316. 

  2317.     # --------------------------------------------------------------------------------------------------------

  2318.     # Other

  2319. 

  2320.     @pyqtSlot(bool)

  2321.     def slot_xrunClear(self):

  2322.         self.host.clear_engine_xruns()

  2323. 

  2324.     # --------------------------------------------------------------------------------------------------------

  2325.     # Canvas scrollbars

  2326. 

  2327.     @pyqtSlot(int)

  2328.     def slot_horizontalScrollBarChanged(self, value):

  2329.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  2330.         if maximum == 0:

  2331.             xp = 0

  2332.         else:

  2333.             xp = float(value) / maximum

  2334.         self.ui.miniCanvasPreview.setViewPosX(xp)

  2335.         self.updateCanvasInitialPos()

  2336. 

  2337.     @pyqtSlot(int)

  2338.     def slot_verticalScrollBarChanged(self, value):

  2339.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  2340.         if maximum == 0:

  2341.             yp = 0

  2342.         else:

  2343.             yp = float(value) / maximum

  2344.         self.ui.miniCanvasPreview.setViewPosY(yp)

  2345.         self.updateCanvasInitialPos()

  2346. 

  2347.     # --------------------------------------------------------------------------------------------------------

  2348.     # Canvas keyboard

  2349. 

  2350.     @pyqtSlot(int)

  2351.     def slot_noteOn(self, note):

  2352.         if self.fPluginCount == 0:

  2353.             return

  2354. 

  2355.         for pluginId in self.fSelectedPlugins:

  2356.             self.host.send_midi_note(pluginId, 0, note, 100)

  2357. 

  2358.             pedit = self.getPluginEditDialog(pluginId)

  2359.             pedit.noteOn(0, note, 100)

  2360. 

  2361.     @pyqtSlot(int)

  2362.     def slot_noteOff(self, note):

  2363.         if self.fPluginCount == 0:

  2364.             return

  2365. 

  2366.         for pluginId in self.fSelectedPlugins:

  2367.             self.host.send_midi_note(pluginId, 0, note, 0)

  2368. 

  2369.             pedit = self.getPluginEditDialog(pluginId)

  2370.             pedit.noteOff(0, note)

  2371. 

  2372.     # --------------------------------------------------------------------------------------------------------

  2373.     # Canvas keyboard (host callbacks)

  2374. 

  2375.     @pyqtSlot(int, int, int, int)

  2376.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  2377.         if pluginId in self.fSelectedPlugins:

  2378.             self.ui.keyboard.sendNoteOn(note, False)

  2379. 

  2380.     @pyqtSlot(int, int, int)

  2381.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  2382.         if pluginId in self.fSelectedPlugins:

  2383.             self.ui.keyboard.sendNoteOff(note, False)

  2384. 

  2385.     # --------------------------------------------------------------------------------------------------------

  2386. 

  2387.     @pyqtSlot(int)

  2388.     def slot_handleUpdateCallback(self, pluginId):

  2389.         pitem = self.getPluginItem(pluginId)

  2390. 

  2391.         if pitem is None:

  2392.             return

  2393. 

  2394.         wasCompacted = pitem.isCompacted()

  2395.         isCompacted  = wasCompacted

  2396. 

  2397.         check = self.host.get_custom_data_value(pluginId, CUSTOM_DATA_TYPE_PROPERTY, "CarlaSkinIsCompacted")

  2398.         if not check:

  2399.             return

  2400.         isCompacted = bool(check == "true")

  2401. 

  2402.         if wasCompacted == isCompacted:

  2403.             return

  2404. 

  2405.         pitem.recreateWidget(True)

  2406. 

  2407.     # --------------------------------------------------------------------------------------------------------

  2408.     # MiniCanvas stuff

  2409. 

  2410.     @pyqtSlot()

  2411.     def slot_miniCanvasCheckAll(self):

  2412.         self.slot_miniCanvasCheckSize()

  2413.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  2414.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  2415. 

  2416.     @pyqtSlot()

  2417.     def slot_miniCanvasCheckSize(self):

  2418.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  2419.             return

  2420. 

  2421.         currentIndex = self.ui.tabWidget.currentIndex()

  2422. 

  2423.         if currentIndex == 1:

  2424.             width  = self.ui.graphicsView.width()

  2425.             height = self.ui.graphicsView.height()

  2426.         else:

  2427.             self.ui.tabWidget.blockSignals(True)

  2428.             self.ui.tabWidget.setCurrentIndex(1)

  2429.             width  = self.ui.graphicsView.width()

  2430.             height = self.ui.graphicsView.height()

  2431.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  2432.             self.ui.tabWidget.blockSignals(False)

  2433. 

  2434.         self.scene.updateLimits()

  2435. 

  2436.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  2437. 

  2438.     @pyqtSlot(float, float)

  2439.     def slot_miniCanvasMoved(self, xp, yp):

  2440.         hsb = self.ui.graphicsView.horizontalScrollBar()

  2441.         vsb = self.ui.graphicsView.verticalScrollBar()

  2442.         hsb.setValue(xp * hsb.maximum())

  2443.         vsb.setValue(yp * vsb.maximum())

  2444.         self.updateCanvasInitialPos()

  2445. 

  2446.     # --------------------------------------------------------------------------------------------------------

  2447.     # Logs autoscroll, save and clear

  2448. 

  2449.     @pyqtSlot(int)

  2450.     def slot_toggleLogAutoscroll(self, checkState):

  2451.         self.autoscrollOnNewLog = checkState == Qt.Checked

  2452.         if self.autoscrollOnNewLog:

  2453.             self.ui.text_logs.verticalScrollBar().setValue(self.ui.text_logs.verticalScrollBar().maximum())

  2454. 

  2455.     @pyqtSlot(int)

  2456.     def slot_logSliderMoved(self, slider_pos):

  2457.         if self.ui.text_logs.verticalScrollBar().hasTracking() or self.autoscrollOnNewLog:

  2458.             self.lastLogSliderPos = slider_pos

  2459.         else:

  2460.             self.ui.text_logs.verticalScrollBar().setValue(self.lastLogSliderPos)

  2461. 

  2462.     @pyqtSlot()

  2463.     def slot_logButtonsState(self, enabled=True):

  2464.         self.ui.logs_clear.setEnabled(enabled)

  2465.         self.ui.logs_save.setEnabled(enabled)

  2466. 

  2467.     @pyqtSlot()

  2468.     def slot_logSave(self):

  2469.         filename = os.path.join(self.fSavedSettings[CARLA_KEY_MAIN_PROJECT_FOLDER], 'carla_log.txt')

  2470.         filename, _ = QFileDialog.getSaveFileName(self, self.tr("Save Logs"), filename)

  2471. 

  2472.         if not filename:

  2473.             return

  2474. 

  2475.         try:

  2476.             with open(filename, "w") as logfile:

  2477.                 logfile.write(self.ui.text_logs.toPlainText())

  2478.                 logfile.close()

  2479.         except:

  2480.             return

  2481. 

  2482.     @pyqtSlot()

  2483.     def slot_logClear(self):

  2484.         self.ui.text_logs.clear()

  2485.         self.ui.text_logs.appendPlainText("======= Logs cleared ========")

  2486.         self.slot_logButtonsState(False)

  2487. 

  2488.     # --------------------------------------------------------------------------------------------------------

  2489.     # Timers

  2490. 

  2491.     def startTimers(self):

  2492.         if self.fIdleTimerFast == 0:

  2493.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2494. 

  2495.         if self.fIdleTimerSlow == 0:

  2496.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2497. 

  2498.     def restartTimersIfNeeded(self):

  2499.         if self.fIdleTimerFast != 0:

  2500.             self.killTimer(self.fIdleTimerFast)

  2501.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2502. 

  2503.         if self.fIdleTimerSlow != 0:

  2504.             self.killTimer(self.fIdleTimerSlow)

  2505.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2506. 

  2507.     def killTimers(self):

  2508.         if self.fIdleTimerFast != 0:

  2509.             self.killTimer(self.fIdleTimerFast)

  2510.             self.fIdleTimerFast = 0

  2511. 

  2512.         if self.fIdleTimerSlow != 0:

  2513.             self.killTimer(self.fIdleTimerSlow)

  2514.             self.fIdleTimerSlow = 0

  2515. 

  2516.     # --------------------------------------------------------------------------------------------------------

  2517.     # Misc

  2518. 

  2519.     @pyqtSlot(bool)

  2520.     def slot_toolbarVisibilityChanged(self, visible):

  2521.         self.ui.toolBar.blockSignals(True)

  2522.         self.ui.toolBar.setEnabled(visible)

  2523.         self.ui.toolBar.blockSignals(False)

  2524.         self.ui.act_settings_show_toolbar.setChecked(visible)

  2525. 

  2526.     @pyqtSlot(int)

  2527.     def slot_tabChanged(self, index):

  2528.         if index != 1:

  2529.             return

  2530. 

  2531.         self.ui.graphicsView.setFocus()

  2532. 

  2533.     @pyqtSlot(int)

  2534.     def slot_handleReloadAllCallback(self, pluginId):

  2535.         if pluginId >= self.fPluginCount:

  2536.             return

  2537. 

  2538.         pitem = self.fPluginList[pluginId]

  2539.         if pitem is None:

  2540.             return

  2541. 

  2542.         pitem.recreateWidget()

  2543. 

  2544.     # --------------------------------------------------------------------------------------------------------

  2545. 

  2546.     @pyqtSlot(int, int, str)

  2547.     def slot_handleNSMCallback(self, opcode, valueInt, valueStr):

  2548.         if opcode == NSM_CALLBACK_INIT:

  2549.             return

  2550. 

  2551.         # Error

  2552.         elif opcode == NSM_CALLBACK_ERROR:

  2553.             pass

  2554. 

  2555.         # Reply

  2556.         elif opcode == NSM_CALLBACK_ANNOUNCE:

  2557.             self.fFirstEngineInit    = False

  2558.             self.fSessionManagerName = valueStr

  2559.             self.setProperWindowTitle()

  2560. 

  2561.             # If NSM server does not support optional-gui, revert our initial assumptions that it does

  2562.             if (valueInt & (1 << 1)) == 0x0:

  2563.                 self.fWindowCloseHideGui = False

  2564.                 self.ui.act_file_quit.setText(self.tr("&Quit"))

  2565.                 QApplication.instance().setQuitOnLastWindowClosed(True)

  2566.                 self.show()

  2567. 

  2568.         # Open

  2569.         elif opcode == NSM_CALLBACK_OPEN:

  2570.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  2571.             self.setProperWindowTitle()

  2572. 

  2573.             self.fCustomStopAction = self.CUSTOM_ACTION_PROJECT_LOAD

  2574.             self.slot_engineStop(True)

  2575.             return

  2576. 

  2577.         # Save

  2578.         elif opcode == NSM_CALLBACK_SAVE:

  2579.             self.saveProjectNow()

  2580. 

  2581.         # Session is Loaded

  2582.         elif opcode == NSM_CALLBACK_SESSION_IS_LOADED:

  2583.             pass

  2584. 

  2585.         # Show Optional Gui

  2586.         elif opcode == NSM_CALLBACK_SHOW_OPTIONAL_GUI:

  2587.             self.show()

  2588. 

  2589.         # Hide Optional Gui

  2590.         elif opcode == NSM_CALLBACK_HIDE_OPTIONAL_GUI:

  2591.             self.hideForNSM()

  2592. 

  2593.         # Set client name

  2594.         elif opcode == NSM_CALLBACK_SET_CLIENT_NAME_ID:

  2595.             self.fClientName = valueStr

  2596.             return

  2597. 

  2598.         self.host.nsm_ready(opcode)

  2599. 

  2600.     # --------------------------------------------------------------------------------------------------------

  2601. 

  2602.     def fixLogText(self, text):

  2603.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  2604. 

  2605.     @pyqtSlot(int, int, int, int, float, str)

  2606.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valuef, valueStr):

  2607.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  2608. 

  2609.     @pyqtSlot(str)

  2610.     def slot_handleInfoCallback(self, info):

  2611.         QMessageBox.information(self, "Information", info)

  2612. 

  2613.     @pyqtSlot(str)

  2614.     def slot_handleErrorCallback(self, error):

  2615.         QMessageBox.critical(self, "Error", error)

  2616. 

  2617.     @pyqtSlot()

  2618.     def slot_handleQuitCallback(self):

  2619.         self.fIsProjectLoading = False

  2620.         self.killTimers()

  2621.         self.removeAllPlugins()

  2622.         self.projectLoadingFinished(False)

  2623. 

  2624.     @pyqtSlot(int)

  2625.     def slot_handleInlineDisplayRedrawCallback(self, pluginId):

  2626.         # FIXME

  2627.         if self.fIdleTimerSlow != 0 and self.fIdleTimerFast != 0 and pluginId < self.fPluginCount and not self.fIsProjectLoading:

  2628.             patchcanvas.redrawPluginGroup(pluginId)

  2629. 

  2630.     # --------------------------------------------------------------------------------------------------------

  2631. 

  2632.     @pyqtSlot()

  2633.     def slot_handleSIGUSR1(self):

  2634.         print("Got SIGUSR1 -> Saving project now")

  2635.         self.slot_fileSave()

  2636. 

  2637.     @pyqtSlot()

  2638.     def slot_handleSIGTERM(self):

  2639.         print("Got SIGTERM -> Closing now")

  2640.         self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2641.         self.close()

  2642. 

  2643.     # --------------------------------------------------------------------------------------------------------

  2644.     # Internal stuff

  2645. 

  2646.     def getExtraPtr(self, plugin):

  2647.         ptype = plugin['type']

  2648. 

  2649.         if ptype == PLUGIN_LADSPA:

  2650.             uniqueId = plugin['uniqueId']

  2651. 

  2652.             self.maybeLoadRDFs()

  2653. 

  2654.             for rdfItem in self.fLadspaRdfList:

  2655.                 if rdfItem.UniqueID == uniqueId:

  2656.                     return pointer(rdfItem)

  2657. 

  2658.         elif ptype == PLUGIN_SF2:

  2659.             if plugin['name'].lower().endswith(" (16 outputs)"):

  2660.                 return self._true

  2661. 

  2662.         return None

  2663. 

  2664.     def maybeLoadRDFs(self):

  2665.         if not self.fLadspaRdfNeedsUpdate:

  2666.             return

  2667. 

  2668.         self.fLadspaRdfNeedsUpdate = False

  2669.         self.fLadspaRdfList = []

  2670. 

  2671.         if not haveLRDF:

  2672.             return

  2673. 

  2674.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  2675.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  2676. 

  2677.         if os.path.exists(frLadspaFile):

  2678.             frLadspa = open(frLadspaFile, 'r')

  2679. 

  2680.             try:

  2681.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  2682.             except:

  2683.                 pass

  2684. 

  2685.             frLadspa.close()

  2686. 

  2687.     # --------------------------------------------------------------------------------------------------------

  2688. 

  2689.     def getPluginCount(self):

  2690.         return self.fPluginCount

  2691. 

  2692.     def getPluginItem(self, pluginId):

  2693.         if pluginId >= self.fPluginCount:

  2694.             return None

  2695. 

  2696.         pitem = self.fPluginList[pluginId]

  2697.         if pitem is None:

  2698.             return None

  2699.         #if False:

  2700.             #return CarlaRackItem(self, 0, False)

  2701. 

  2702.         return pitem

  2703. 

  2704.     def getPluginEditDialog(self, pluginId):

  2705.         if pluginId >= self.fPluginCount:

  2706.             return None

  2707. 

  2708.         pitem = self.fPluginList[pluginId]

  2709.         if pitem is None:

  2710.             return None

  2711.         if False:

  2712.             return PluginEdit(self, self.host, 0)

  2713. 

  2714.         return pitem.getEditDialog()

  2715. 

  2716.     def getPluginSlotWidget(self, pluginId):

  2717.         if pluginId >= self.fPluginCount:

  2718.             return None

  2719. 

  2720.         pitem = self.fPluginList[pluginId]

  2721.         if pitem is None:

  2722.             return None

  2723.         #if False:

  2724.             #return AbstractPluginSlot()

  2725. 

  2726.         return pitem.getWidget()

  2727. 

  2728.     # --------------------------------------------------------------------------------------------------------

  2729. 

  2730.     def waitForPendingEvents(self):

  2731.         pass

  2732. 

  2733.     # --------------------------------------------------------------------------------------------------------

  2734.     # show/hide event

  2735. 

  2736.     def showEvent(self, event):

  2737.         self.getAndRefreshRuntimeInfo()

  2738.         self.refreshTransport(True)

  2739.         QMainWindow.showEvent(self, event)

  2740. 

  2741.         if QT_VERSION >= 0x50600:

  2742.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_UI_SCALE, int(self.devicePixelRatioF() * 1000), "")

  2743.             print("Frontend pixel ratio is", self.devicePixelRatioF())

  2744. 

  2745.         # set our gui as parent for all plugins UIs

  2746.         if self.host.manageUIs and not self.host.isControl:

  2747.             if MACOS:

  2748.                 nsViewPtr = int(self.winId())

  2749.                 winIdStr  = "%x" % gCarla.utils.cocoa_get_window(nsViewPtr)

  2750.             else:

  2751.                 winIdStr = "%x" % int(self.winId())

  2752.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2753. 

  2754.     def hideEvent(self, event):

  2755.         # disable parent

  2756.         if not self.host.isControl:

  2757.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2758. 

  2759.         QMainWindow.hideEvent(self, event)

  2760. 

  2761.     # --------------------------------------------------------------------------------------------------------

  2762.     # resize event

  2763. 

  2764.     def resizeEvent(self, event):

  2765.         QMainWindow.resizeEvent(self, event)

  2766. 

  2767.         if self.fWithCanvas:

  2768.             self.slot_miniCanvasCheckSize()

  2769. 

  2770.     # --------------------------------------------------------------------------------------------------------

  2771.     # timer event

  2772. 

  2773.     def refreshRuntimeInfo(self, load, xruns):

  2774.         txt1 = str(xruns) if (xruns >= 0) else "--"

  2775.         txt2 = "" if (xruns == 1) else "s"

  2776.         self.ui.b_xruns.setText("%s Xrun%s" % (txt1, txt2))

  2777.         self.ui.pb_dsp_load.setValue(int(load))

  2778. 

  2779.     def getAndRefreshRuntimeInfo(self):

  2780.         if not self.ui.pb_dsp_load.isVisible():

  2781.             return

  2782.         if not self.host.is_engine_running():

  2783.             return

  2784.         info = self.host.get_runtime_engine_info()

  2785.         self.refreshRuntimeInfo(info['load'], info['xruns'])

  2786. 

  2787.     def idleFast(self):

  2788.         self.host.engine_idle()

  2789.         self.refreshTransport()

  2790. 

  2791.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2792.             return

  2793. 

  2794.         for pitem in self.fPluginList:

  2795.             if pitem is None:

  2796.                 break

  2797. 

  2798.             pitem.getWidget().idleFast()

  2799. 

  2800.         for pluginId in self.fSelectedPlugins:

  2801.             self.fPeaksCleared = False

  2802.             if self.ui.peak_in.isVisible():

  2803.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2804.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2805.             if self.ui.peak_out.isVisible():

  2806.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2807.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2808.             return

  2809. 

  2810.         if self.fPeaksCleared:

  2811.             return

  2812. 

  2813.         self.fPeaksCleared = True

  2814.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2815.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2816.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2817.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2818. 

  2819.     def idleSlow(self):

  2820.         self.getAndRefreshRuntimeInfo()

  2821. 

  2822.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2823.             return

  2824. 

  2825.         for pitem in self.fPluginList:

  2826.             if pitem is None:

  2827.                 break

  2828. 

  2829.             pitem.getWidget().idleSlow()

  2830. 

  2831.     def timerEvent(self, event):

  2832.         if event.timerId() == self.fIdleTimerFast:

  2833.             self.idleFast()

  2834. 

  2835.         elif event.timerId() == self.fIdleTimerSlow:

  2836.             self.idleSlow()

  2837. 

  2838.         QMainWindow.timerEvent(self, event)

  2839. 

  2840.     # --------------------------------------------------------------------------------------------------------

  2841.     # color/style change event

  2842. 

  2843.     def changeEvent(self, event):

  2844.         if event.type() in (QEvent.PaletteChange, QEvent.StyleChange):

  2845.             self.updateStyle()

  2846.         QMainWindow.changeEvent(self, event)

  2847. 

  2848.     def updateStyle(self):

  2849.         # Rack padding images setup

  2850.         rack_imgL = QImage(":/bitmaps/rack_padding_left.png")

  2851.         rack_imgR = QImage(":/bitmaps/rack_padding_right.png")

  2852. 

  2853.         min_value = 0.07

  2854. 

  2855.         if PYQT_VERSION >= 0x50600:

  2856.             value_fix = 1.0/(1.0-rack_imgL.scaled(1, 1, Qt.IgnoreAspectRatio, Qt.SmoothTransformation).pixelColor(0,0).blackF())

  2857.         else:

  2858.             value_fix = 1.5

  2859. 

  2860.         rack_pal = self.ui.rack.palette()

  2861.         bg_color = rack_pal.window().color()

  2862.         fg_color = rack_pal.text().color()

  2863.         bg_value = 1.0 - bg_color.blackF()

  2864.         if bg_value != 0.0 and bg_value < min_value:

  2865.             pad_color = bg_color.lighter(int(100*min_value/bg_value*value_fix))

  2866.         else:

  2867.             pad_color = QColor.fromHsvF(0.0, 0.0, min_value*value_fix)

  2868. 

  2869.         painter = QPainter()

  2870.         fillRect = rack_imgL.rect().adjusted(-1,-1,1,1)

  2871. 

  2872.         painter.begin(rack_imgL)

  2873.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2874.         painter.setBrush(pad_color)

  2875.         painter.drawRect(fillRect)

  2876.         painter.end()

  2877.         rack_pixmapL = QPixmap(rack_imgL)

  2878.         self.imgL_palette = QPalette()

  2879.         self.imgL_palette.setBrush(QPalette.Window, QBrush(rack_pixmapL))

  2880.         self.ui.pad_left.setPalette(self.imgL_palette)

  2881.         self.ui.pad_left.setAutoFillBackground(True)

  2882. 

  2883.         painter.begin(rack_imgR)

  2884.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2885.         painter.setBrush(pad_color)

  2886.         painter.drawRect(fillRect)

  2887.         painter.end()

  2888.         rack_pixmapR = QPixmap(rack_imgR)

  2889.         self.imgR_palette = QPalette()

  2890.         self.imgR_palette.setBrush(QPalette.Window, QBrush(rack_pixmapR))

  2891.         self.ui.pad_right.setPalette(self.imgR_palette)

  2892.         self.ui.pad_right.setAutoFillBackground(True)

  2893. 

  2894.         # qt's rgba is actually argb, so convert that

  2895.         bg_color_value = bg_color.rgba()

  2896.         bg_color_value = ((bg_color_value & 0xffffff) << 8) | (bg_color_value >> 24)

  2897. 

  2898.         fg_color_value = fg_color.rgba()

  2899.         fg_color_value = ((fg_color_value & 0xffffff) << 8) | (fg_color_value >> 24)

  2900. 

  2901.         self.host.set_engine_option(ENGINE_OPTION_FRONTEND_BACKGROUND_COLOR, bg_color_value, "")

  2902.         self.host.set_engine_option(ENGINE_OPTION_FRONTEND_FOREGROUND_COLOR, fg_color_value, "")

  2903. 

  2904.     # --------------------------------------------------------------------------------------------------------

  2905.     # paint event

  2906. 

  2907.     #def paintEvent(self, event):

  2908.         #QMainWindow.paintEvent(self, event)

  2909. 

  2910.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2911.             #return

  2912. 

  2913.         #painter = QPainter(self)

  2914.         #painter.setBrush(QColor(36, 36, 36))

  2915.         #painter.setPen(QColor(62, 62, 62))

  2916.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2917. 

  2918.     # --------------------------------------------------------------------------------------------------------

  2919.     # close event

  2920. 

  2921.     def shouldIgnoreClose(self):

  2922.         if self.host.isControl or self.host.isPlugin:

  2923.             return False

  2924.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  2925.             return False

  2926.         if self.fWindowCloseHideGui:

  2927.             return False

  2928.         if self.fSavedSettings[CARLA_KEY_MAIN_CONFIRM_EXIT]:

  2929.             return QMessageBox.question(self, self.tr("Quit"),

  2930.                                               self.tr("Are you sure you want to quit Carla?"),

  2931.                                               QMessageBox.Yes|QMessageBox.No) == QMessageBox.No

  2932.         return False

  2933. 

  2934.     def closeEvent(self, event):

  2935.         if self.shouldIgnoreClose():

  2936.             event.ignore()

  2937.             return

  2938. 

  2939.         if self.fWindowCloseHideGui and self.fCustomStopAction != self.CUSTOM_ACTION_APP_CLOSE:

  2940.             self.hideForNSM()

  2941.             self.host.nsm_ready(NSM_CALLBACK_HIDE_OPTIONAL_GUI)

  2942.             return

  2943. 

  2944.         patchcanvas.handleAllPluginsRemoved()

  2945. 

  2946.         if MACOS and self.fMacClosingHelper and not (self.host.isControl or self.host.isPlugin):

  2947.             self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2948.             self.fMacClosingHelper = False

  2949.             event.ignore()

  2950. 

  2951.             for i in reversed(range(self.fPluginCount)):

  2952.                 self.host.show_custom_ui(i, False)

  2953. 

  2954.             QTimer.singleShot(100, self.close)

  2955.             return

  2956. 

  2957.         self.killTimers()

  2958.         self.saveSettings()

  2959. 

  2960.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  2961.             if not self.slot_engineStop(True):

  2962.                 self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2963.                 event.ignore()

  2964.                 return

  2965. 

  2966.         QMainWindow.closeEvent(self, event)

  2967. 

  2968.         # if we reach this point, fully close ourselves

  2969.         gCarla.gui = None

  2970.         QApplication.instance().quit()

  2971. 

  2972. # ------------------------------------------------------------------------------------------------

  2973. # Canvas callback

  2974. 

  2975. def canvasCallback(action, value1, value2, valueStr):

  2976.     host = gCarla.gui.host

  2977. 

  2978.     if gCarla.gui.fCustomStopAction == HostWindow.CUSTOM_ACTION_APP_CLOSE:

  2979.         return

  2980. 

  2981.     if action == patchcanvas.ACTION_GROUP_INFO:

  2982.         pass

  2983. 

  2984.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  2985.         pass

  2986. 

  2987.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  2988.         groupId = value1

  2989.         patchcanvas.splitGroup(groupId)

  2990.         gCarla.gui.updateMiniCanvasLater()

  2991. 

  2992.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  2993.         groupId = value1

  2994.         patchcanvas.joinGroup(groupId)

  2995.         gCarla.gui.updateMiniCanvasLater()

  2996. 

  2997.     elif action == patchcanvas.ACTION_GROUP_POSITION:

  2998.         if gCarla.gui.fIsProjectLoading:

  2999.             return

  3000.         if not host.is_engine_running():

  3001.             return

  3002.         groupId = value1

  3003.         x1, y1, x2, y2 = tuple(int(i) for i in valueStr.split(":"))

  3004.         host.patchbay_set_group_pos(gCarla.gui.fExternalPatchbay, groupId, x1, y1, x2, y2)

  3005.         gCarla.gui.updateMiniCanvasLater()

  3006. 

  3007.     elif action == patchcanvas.ACTION_PORT_INFO:

  3008.         pass

  3009. 

  3010.     elif action == patchcanvas.ACTION_PORT_RENAME:

  3011.         pass

  3012. 

  3013.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  3014.         gOut, pOut, gIn, pIn = tuple(int(i) for i in valueStr.split(":"))

  3015. 

  3016.         if not host.patchbay_connect(gCarla.gui.fExternalPatchbay, gOut, pOut, gIn, pIn):

  3017.             print("Connection failed:", host.get_last_error())

  3018. 

  3019.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  3020.         connectionId = value1

  3021. 

  3022.         if not host.patchbay_disconnect(gCarla.gui.fExternalPatchbay, connectionId):

  3023.             print("Disconnect failed:", host.get_last_error())

  3024. 

  3025.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  3026.         pluginId = value1

  3027. 

  3028.         if not host.clone_plugin(pluginId):

  3029.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  3030.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  3031. 

  3032.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  3033.         pluginId = value1

  3034.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  3035. 

  3036.         if pwidget is not None:

  3037.             pwidget.showEditDialog()

  3038. 

  3039.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  3040.         pluginId = value1

  3041.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  3042. 

  3043.         if pwidget is not None:

  3044.             pwidget.showRenameDialog()

  3045. 

  3046.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  3047.         pluginId = value1

  3048.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  3049. 

  3050.         if pwidget is not None:

  3051.             pwidget.showReplaceDialog()

  3052. 

  3053.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  3054.         pluginId = value1

  3055. 

  3056.         if not host.remove_plugin(pluginId):

  3057.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  3058.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  3059. 

  3060.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  3061.         pluginId = value1

  3062.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  3063. 

  3064.         if pwidget is not None:

  3065.             pwidget.showCustomUI()

  3066. 

  3067.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  3068.         gCarla.gui.slot_showPluginActionsMenu()

  3069. 

  3070.     elif action == patchcanvas.ACTION_INLINE_DISPLAY:

  3071.         if gCarla.gui.fIsProjectLoading:

  3072.             return

  3073.         if not host.is_engine_running():

  3074.             return

  3075.         pluginId = value1

  3076.         width, height = [int(v) for v in valueStr.split(":")]

  3077.         return host.render_inline_display(pluginId, width, height)

  3078. 

  3079. # ------------------------------------------------------------------------------------------------------------

  3080. # Engine callback

  3081. 

  3082. def engineCallback(host, action, pluginId, value1, value2, value3, valuef, valueStr):

  3083.     # kdevelop likes this :)

  3084.     if False: host = CarlaHostNull()

  3085. 

  3086.     valueStr = charPtrToString(valueStr)

  3087. 

  3088.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  3089.         host.processMode   = value1

  3090.         host.transportMode = value2

  3091.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  3092.         host.processMode   = value1

  3093.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  3094.         host.transportMode  = value1

  3095.         host.transportExtra = valueStr

  3096. 

  3097.     if action == ENGINE_CALLBACK_DEBUG:

  3098.         host.DebugCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  3099.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  3100.         host.PluginAddedCallback.emit(pluginId, value1, valueStr)

  3101.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  3102.         host.PluginRemovedCallback.emit(pluginId)

  3103.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  3104.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  3105.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  3106.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  3107.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  3108.         host.ParameterValueChangedCallback.emit(pluginId, value1, valuef)

  3109.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  3110.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, valuef)

  3111.     elif action == ENGINE_CALLBACK_PARAMETER_MAPPED_CONTROL_INDEX_CHANGED:

  3112.         host.ParameterMappedControlIndexChangedCallback.emit(pluginId, value1, value2)

  3113.     elif action == ENGINE_CALLBACK_PARAMETER_MAPPED_RANGE_CHANGED:

  3114.         minimum, maximum = (float(v) for v in valueStr.split(":", 2))

  3115.         host.ParameterMappedRangeChangedCallback.emit(pluginId, value1, minimum, maximum)

  3116.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  3117.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  3118.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  3119.         host.ProgramChangedCallback.emit(pluginId, value1)

  3120.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  3121.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  3122.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  3123.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  3124.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  3125.         host.UiStateChangedCallback.emit(pluginId, value1)

  3126.     elif action == ENGINE_CALLBACK_NOTE_ON:

  3127.         host.NoteOnCallback.emit(pluginId, value1, value2, value3)

  3128.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  3129.         host.NoteOffCallback.emit(pluginId, value1, value2)

  3130.     elif action == ENGINE_CALLBACK_UPDATE:

  3131.         host.UpdateCallback.emit(pluginId)

  3132.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  3133.         host.ReloadInfoCallback.emit(pluginId)

  3134.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  3135.         host.ReloadParametersCallback.emit(pluginId)

  3136.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  3137.         host.ReloadProgramsCallback.emit(pluginId)

  3138.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  3139.         host.ReloadAllCallback.emit(pluginId)

  3140.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  3141.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  3142.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  3143.         host.PatchbayClientRemovedCallback.emit(pluginId)

  3144.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  3145.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  3146.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  3147.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  3148.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_POSITION_CHANGED:

  3149.         host.PatchbayClientPositionChangedCallback.emit(pluginId, value1, value2, value3, int(round(valuef)))

  3150.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  3151.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, value3, valueStr)

  3152.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  3153.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  3154.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_CHANGED:

  3155.         host.PatchbayPortChangedCallback.emit(pluginId, value1, value2, value3, valueStr)

  3156.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_ADDED:

  3157.         host.PatchbayPortGroupAddedCallback.emit(pluginId, value1, value2, valueStr)

  3158.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_REMOVED:

  3159.         host.PatchbayPortGroupRemovedCallback.emit(pluginId, value1)

  3160.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_CHANGED:

  3161.         host.PatchbayPortGroupChangedCallback.emit(pluginId, value1, value2, valueStr)

  3162.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  3163.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  3164.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  3165.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  3166.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  3167.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  3168.         host.EngineStartedCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  3169.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  3170.         host.EngineStoppedCallback.emit()

  3171.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  3172.         host.ProcessModeChangedCallback.emit(value1)

  3173.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  3174.         host.TransportModeChangedCallback.emit(value1, valueStr)

  3175.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  3176.         host.BufferSizeChangedCallback.emit(value1)

  3177.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  3178.         host.SampleRateChangedCallback.emit(valuef)

  3179.     elif action == ENGINE_CALLBACK_CANCELABLE_ACTION:

  3180.         host.CancelableActionCallback.emit(pluginId, bool(value1 != 0), valueStr)

  3181.     elif action == ENGINE_CALLBACK_PROJECT_LOAD_FINISHED:

  3182.         host.ProjectLoadFinishedCallback.emit()

  3183.     elif action == ENGINE_CALLBACK_NSM:

  3184.         host.NSMCallback.emit(value1, value2, valueStr)

  3185.     elif action == ENGINE_CALLBACK_IDLE:

  3186.         QApplication.processEvents()

  3187.     elif action == ENGINE_CALLBACK_INFO:

  3188.         host.InfoCallback.emit(valueStr)

  3189.     elif action == ENGINE_CALLBACK_ERROR:

  3190.         host.ErrorCallback.emit(valueStr)

  3191.     elif action == ENGINE_CALLBACK_QUIT:

  3192.         host.QuitCallback.emit()

  3193.     elif action == ENGINE_CALLBACK_INLINE_DISPLAY_REDRAW:

  3194.         host.InlineDisplayRedrawCallback.emit(pluginId)

  3195.     else:

  3196.         print("unhandled action", action)

  3197. 

  3198. # ------------------------------------------------------------------------------------------------------------

  3199. # File callback

  3200. 

  3201. def fileCallback(ptr, action, isDir, title, filter):

  3202.     title  = charPtrToString(title)

  3203.     filter = charPtrToString(filter)

  3204. 

  3205.     if action == FILE_CALLBACK_OPEN:

  3206.         ret, ok = QFileDialog.getOpenFileName(gCarla.gui, title, "", filter) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  3207.     elif action == FILE_CALLBACK_SAVE:

  3208.         ret, ok = QFileDialog.getSaveFileName(gCarla.gui, title, "", filter, QFileDialog.ShowDirsOnly if isDir else 0x0)

  3209.     else:

  3210.         ret, ok = ("", "")

  3211. 

  3212.     # FIXME use ok value, test if it works as expected

  3213.     if not ret:

  3214.         return None

  3215. 

  3216.     # FIXME

  3217.     global fileRet

  3218.     fileRet = c_char_p(ret.encode("utf-8"))

  3219.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  3220.     return retval.contents.value

  3221. 

  3222. # ------------------------------------------------------------------------------------------------------------

  3223. # Init host

  3224. 

  3225. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  3226.     pathBinaries, pathResources = getPaths(libPrefix)

  3227. 

  3228.     # --------------------------------------------------------------------------------------------------------

  3229.     # Fail if binary dir is not found

  3230. 

  3231.     if not os.path.exists(pathBinaries):

  3232.         if failError:

  3233.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  3234.             sys.exit(1)

  3235.         return

  3236. 

  3237.     # --------------------------------------------------------------------------------------------------------

  3238.     # Check if we should open main lib as local or global

  3239. 

  3240.     settings = QSafeSettings("falkTX", "Carla2")

  3241. 

  3242.     loadGlobal = settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL, CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL, bool)

  3243. 

  3244.     # --------------------------------------------------------------------------------------------------------

  3245.     # Set Carla library name

  3246. 

  3247.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  3248.     libname   = os.path.join(pathBinaries, libname)

  3249.     felibname = os.path.join(pathBinaries, "libcarla_frontend.%s" % (DLL_EXTENSION))

  3250.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  3251. 

  3252.     # --------------------------------------------------------------------------------------------------------

  3253.     # Print info

  3254. 

  3255.     if not (gCarla.nogui and isinstance(gCarla.nogui, int)):

  3256.         print("Carla %s started, status:" % VERSION)

  3257.         print("  Python version: %s" % sys.version.split(" ",1)[0])

  3258.         print("  Qt version:     %s" % QT_VERSION_STR)

  3259.         print("  PyQt version:   %s" % PYQT_VERSION_STR)

  3260.         print("  Binary dir:     %s" % pathBinaries)

  3261.         print("  Resources dir:  %s" % pathResources)

  3262. 

  3263.     # --------------------------------------------------------------------------------------------------------

  3264.     # Init host

  3265. 

  3266.     if failError:

  3267.         # no try

  3268.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  3269.     else:

  3270.         try:

  3271.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  3272.         except:

  3273.             host = CarlaHostQtNull()

  3274. 

  3275.     host.isControl = isControl

  3276.     host.isPlugin  = isPlugin

  3277. 

  3278.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vf,vs: engineCallback(host,a,p,v1,v2,v3,vf,vs))

  3279.     host.set_file_callback(fileCallback)

  3280. 

  3281.     # If it's a plugin the paths are already set

  3282.     if not isPlugin:

  3283.         host.pathBinaries  = pathBinaries

  3284.         host.pathResources = pathResources

  3285.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  3286.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  3287. 

  3288.         if not isControl:

  3289.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  3290. 

  3291.     # --------------------------------------------------------------------------------------------------------

  3292.     # Init frontend lib

  3293. 

  3294.     if not gCarla.nogui:

  3295.         gCarla.felib = CarlaFrontendLib(felibname)

  3296. 

  3297.     # --------------------------------------------------------------------------------------------------------

  3298.     # Init utils

  3299. 

  3300.     gCarla.utils = CarlaUtils(utilsname)

  3301.     gCarla.utils.set_process_name(os.path.basename(initName))

  3302. 

  3303.     try:

  3304.         sys.stdout.flush()

  3305.     except:

  3306.         pass

  3307. 

  3308.     sys.stdout = CarlaPrint(False)

  3309.     sys.stderr = CarlaPrint(True)

  3310.     sys.excepthook = sys_excepthook

  3311. 

  3312.     # --------------------------------------------------------------------------------------------------------

  3313.     # Done

  3314. 

  3315.     return host

  3316. 

  3317. # ------------------------------------------------------------------------------------------------------------

  3318. # Load host settings

  3319. 

  3320. def loadHostSettings(host):

  3321.     # kdevelop likes this :)

  3322.     if False: host = CarlaHostNull()

  3323. 

  3324.     settings = QSafeSettings("falkTX", "Carla2")

  3325. 

  3326.     host.experimental = settings.value(CARLA_KEY_MAIN_EXPERIMENTAL, CARLA_DEFAULT_MAIN_EXPERIMENTAL, bool)

  3327.     host.exportLV2 = settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2, CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT, bool)

  3328.     host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, bool)

  3329.     host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, int)

  3330.     host.resetXruns = settings.value(CARLA_KEY_ENGINE_RESET_XRUNS, CARLA_DEFAULT_RESET_XRUNS, bool)

  3331.     host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, bool)

  3332.     host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, bool)

  3333.     host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, bool)

  3334.     host.preventBadBehaviour = settings.value(CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, bool)

  3335.     host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, bool) and not WINDOWS

  3336.     host.showPluginBridges = settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, bool)

  3337.     host.showWineBridges = settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, bool)

  3338.     host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, int)

  3339.     host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, bool)

  3340. 

  3341.     if host.isPlugin:

  3342.         return

  3343. 

  3344.     host.transportExtra = settings.value(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, "", str)

  3345. 

  3346.     # enums

  3347.     if host.audioDriverForced is None:

  3348.         host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, int)

  3349. 

  3350.     if not host.processModeForced:

  3351.         host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, int)

  3352. 

  3353.     host.nextProcessMode = host.processMode

  3354. 

  3355.     # --------------------------------------------------------------------------------------------------------

  3356.     # fix things if needed

  3357. 

  3358.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  3359.         if LADISH_APP_NAME:

  3360.             print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  3361.             host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  3362. 

  3363.         else:

  3364.             host.transportMode = ENGINE_TRANSPORT_MODE_JACK

  3365. 

  3366.     if gCarla.nogui:

  3367.         host.showLogs = False

  3368. 

  3369.     # --------------------------------------------------------------------------------------------------------

  3370.     # run headless host now if nogui option enabled

  3371. 

  3372.     if gCarla.nogui:

  3373.         runHostWithoutUI(host)

  3374. 

  3375. # ------------------------------------------------------------------------------------------------------------

  3376. # Set host settings

  3377. 

  3378. def setHostSettings(host):

  3379.     # kdevelop likes this :)

  3380.     if False: host = CarlaHostNull()

  3381. 

  3382.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  3383.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  3384.     host.set_engine_option(ENGINE_OPTION_RESET_XRUNS,           host.resetXruns,          "")

  3385.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  3386.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  3387.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  3388.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  3389.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  3390. 

  3391.     if host.isPlugin or host.isRemote or host.is_engine_running():

  3392.         return

  3393. 

  3394.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  3395.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       host.transportExtra)

  3396.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  3397. 

  3398.     if not (NSM_URL and host.nsmOK):

  3399.         host.set_engine_option(ENGINE_OPTION_CLIENT_NAME_PREFIX, 0, gCarla.cnprefix)

  3400. 

  3401. # ------------------------------------------------------------------------------------------------------------

  3402. # Set Engine settings according to carla preferences. Returns selected audio driver.

  3403. 

  3404. def setEngineSettings(host, oscPort = None):

  3405.     # kdevelop likes this :)

  3406.     if False: host = CarlaHostNull()

  3407. 

  3408.     # --------------------------------------------------------------------------------------------------------

  3409.     # do nothing if control

  3410. 

  3411.     if host.isControl:

  3412.         return "Control"

  3413. 

  3414.     # --------------------------------------------------------------------------------------------------------

  3415. 

  3416.     settings = QSafeSettings("falkTX", "Carla2")

  3417. 

  3418.     # --------------------------------------------------------------------------------------------------------

  3419.     # main settings

  3420. 

  3421.     setHostSettings(host)

  3422. 

  3423.     # --------------------------------------------------------------------------------------------------------

  3424.     # file paths

  3425. 

  3426.     FILE_PATH_AUDIO = settings.value(CARLA_KEY_PATHS_AUDIO, CARLA_DEFAULT_FILE_PATH_AUDIO, list)

  3427.     FILE_PATH_MIDI  = settings.value(CARLA_KEY_PATHS_MIDI,  CARLA_DEFAULT_FILE_PATH_MIDI, list)

  3428. 

  3429.     host.set_engine_option(ENGINE_OPTION_FILE_PATH, FILE_AUDIO, splitter.join(FILE_PATH_AUDIO))

  3430.     host.set_engine_option(ENGINE_OPTION_FILE_PATH, FILE_MIDI,  splitter.join(FILE_PATH_MIDI))

  3431. 

  3432.     # --------------------------------------------------------------------------------------------------------

  3433.     # plugin paths

  3434. 

  3435.     LADSPA_PATH = settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH, list)

  3436.     DSSI_PATH   = settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH, list)

  3437.     LV2_PATH    = settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH, list)

  3438.     VST2_PATH   = settings.value(CARLA_KEY_PATHS_VST2,   CARLA_DEFAULT_VST2_PATH, list)

  3439.     VST3_PATH   = settings.value(CARLA_KEY_PATHS_VST3,   CARLA_DEFAULT_VST3_PATH, list)

  3440.     SF2_PATH    = settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH, list)

  3441.     SFZ_PATH    = settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH, list)

  3442.     JSFX_PATH   = settings.value(CARLA_KEY_PATHS_JSFX,   CARLA_DEFAULT_JSFX_PATH, list)

  3443.     CLAP_PATH   = settings.value(CARLA_KEY_PATHS_CLAP,   CARLA_DEFAULT_CLAP_PATH, list)

  3444. 

  3445.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  3446.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  3447.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  3448.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2,   splitter.join(VST2_PATH))

  3449.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST3,   splitter.join(VST3_PATH))

  3450.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  3451.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  3452.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_JSFX,   splitter.join(JSFX_PATH))

  3453.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_CLAP,   splitter.join(CLAP_PATH))

  3454. 

  3455.     # --------------------------------------------------------------------------------------------------------

  3456.     # don't continue if plugin

  3457. 

  3458.     if host.isPlugin:

  3459.         return "Plugin"

  3460. 

  3461.     # --------------------------------------------------------------------------------------------------------

  3462.     # osc settings

  3463. 

  3464.     if oscPort is not None and isinstance(oscPort, int):

  3465.         oscEnabled = True

  3466.         portNumTCP = portNumUDP = oscPort

  3467. 

  3468.     else:

  3469.         oscEnabled = settings.value(CARLA_KEY_OSC_ENABLED, CARLA_DEFAULT_OSC_ENABLED, bool)

  3470. 

  3471.         if not settings.value(CARLA_KEY_OSC_TCP_PORT_ENABLED, CARLA_DEFAULT_OSC_TCP_PORT_ENABLED, bool):

  3472.             portNumTCP = -1

  3473.         elif settings.value(CARLA_KEY_OSC_TCP_PORT_RANDOM, CARLA_DEFAULT_OSC_TCP_PORT_RANDOM, bool):

  3474.             portNumTCP = 0

  3475.         else:

  3476.             portNumTCP = settings.value(CARLA_KEY_OSC_TCP_PORT_NUMBER, CARLA_DEFAULT_OSC_TCP_PORT_NUMBER, int)

  3477. 

  3478.         if not settings.value(CARLA_KEY_OSC_UDP_PORT_ENABLED, CARLA_DEFAULT_OSC_UDP_PORT_ENABLED, bool):

  3479.             portNumUDP = -1

  3480.         elif settings.value(CARLA_KEY_OSC_UDP_PORT_RANDOM, CARLA_DEFAULT_OSC_UDP_PORT_RANDOM, bool):

  3481.             portNumUDP = 0

  3482.         else:

  3483.             portNumUDP = settings.value(CARLA_KEY_OSC_UDP_PORT_NUMBER, CARLA_DEFAULT_OSC_UDP_PORT_NUMBER, int)

  3484. 

  3485.     host.set_engine_option(ENGINE_OPTION_OSC_ENABLED, 1 if oscEnabled else 0, "")

  3486.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_TCP, portNumTCP, "")

  3487.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_UDP, portNumUDP, "")

  3488. 

  3489.     # --------------------------------------------------------------------------------------------------------

  3490.     # wine settings

  3491. 

  3492.     optWineExecutable = settings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, str)

  3493.     optWineAutoPrefix = settings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, bool)

  3494.     optWineFallbackPrefix = settings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, str)

  3495.     optWineRtPrioEnabled = settings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, bool)

  3496.     optWineBaseRtPrio = settings.value(CARLA_KEY_WINE_BASE_RT_PRIO,   CARLA_DEFAULT_WINE_BASE_RT_PRIO, int)

  3497.     optWineServerRtPrio = settings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, int)

  3498. 

  3499.     host.set_engine_option(ENGINE_OPTION_WINE_EXECUTABLE, 0, optWineExecutable)

  3500.     host.set_engine_option(ENGINE_OPTION_WINE_AUTO_PREFIX, 1 if optWineAutoPrefix else 0, "")

  3501.     host.set_engine_option(ENGINE_OPTION_WINE_FALLBACK_PREFIX, 0, os.path.expanduser(optWineFallbackPrefix))

  3502.     host.set_engine_option(ENGINE_OPTION_WINE_RT_PRIO_ENABLED, 1 if optWineRtPrioEnabled else 0, "")

  3503.     host.set_engine_option(ENGINE_OPTION_WINE_BASE_RT_PRIO, optWineBaseRtPrio, "")

  3504.     host.set_engine_option(ENGINE_OPTION_WINE_SERVER_RT_PRIO, optWineServerRtPrio, "")

  3505. 

  3506.     # --------------------------------------------------------------------------------------------------------

  3507.     # driver and device settings

  3508. 

  3509.     # driver name

  3510.     if host.audioDriverForced is not None:

  3511.         audioDriver = host.audioDriverForced

  3512.     else:

  3513.         try:

  3514.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, str)

  3515.         except:

  3516.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  3517. 

  3518.     # driver options

  3519.     audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", str)

  3520.     audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, int)

  3521.     audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, int)

  3522.     audioTripleBuffer = settings.value("%s%s/TripleBuffer" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER, bool)

  3523. 

  3524.     # Only setup audio things if engine is not running

  3525.     if not host.is_engine_running():

  3526.         host.set_engine_option(ENGINE_OPTION_AUDIO_DRIVER, 0, audioDriver)

  3527.         host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE, 0, audioDevice)

  3528. 

  3529.         if not audioDriver.startswith("JACK"):

  3530.             host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  3531.             host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  3532.             host.set_engine_option(ENGINE_OPTION_AUDIO_TRIPLE_BUFFER, 1 if audioTripleBuffer else 0, "")

  3533. 

  3534.     # --------------------------------------------------------------------------------------------------------

  3535.     # fix things if needed

  3536. 

  3537.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  3538.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  3539.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, host.transportExtra)

  3540. 

  3541.     # --------------------------------------------------------------------------------------------------------

  3542.     # return selected driver name

  3543. 

  3544.     return audioDriver

  3545. 

  3546. # ------------------------------------------------------------------------------------------------------------

  3547. # Run Carla without showing UI

  3548. 

  3549. def runHostWithoutUI(host):

  3550.     # kdevelop likes this :)

  3551.     if False: host = CarlaHostNull()

  3552. 

  3553.     # --------------------------------------------------------------------------------------------------------

  3554.     # Some initial checks

  3555. 

  3556.     if not gCarla.nogui:

  3557.         return

  3558. 

  3559.     projectFile = getInitialProjectFile(True)

  3560. 

  3561.     if gCarla.nogui is True:

  3562.         oscPort = None

  3563. 

  3564.         if not projectFile:

  3565.             print("Carla no-gui mode can only be used together with a project file.")

  3566.             sys.exit(1)

  3567. 

  3568.     else:

  3569.         oscPort = gCarla.nogui

  3570. 

  3571.     # --------------------------------------------------------------------------------------------------------

  3572.     # Additional imports

  3573. 

  3574.     from time import sleep

  3575. 

  3576.     # --------------------------------------------------------------------------------------------------------

  3577.     # Init engine

  3578. 

  3579.     audioDriver = setEngineSettings(host, oscPort)

  3580.     if not host.engine_init(audioDriver, "Carla"):

  3581.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  3582.         sys.exit(1)

  3583. 

  3584.     if projectFile and not host.load_project(projectFile):

  3585.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  3586.         host.engine_close()

  3587.         sys.exit(1)

  3588. 

  3589.     # --------------------------------------------------------------------------------------------------------

  3590.     # Idle

  3591. 

  3592.     print("Carla ready!")

  3593. 

  3594.     while host.is_engine_running() and not gCarla.term:

  3595.         host.engine_idle()

  3596.         sleep(0.0333) # 30 Hz

  3597. 

  3598.     # --------------------------------------------------------------------------------------------------------

  3599.     # Stop

  3600. 

  3601.     host.engine_close()

  3602.     sys.exit(0)

  3603. 

  3604. # ------------------------------------------------------------------------------------------------------------