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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.fProjectFilename  = ""

  169.         self.fIsProjectLoading = False

  170.         self.fCurrentlyRemovingAllPlugins = False

  171.         self.fHasLoadedLv2Plugins = False

  172. 

  173.         self.fLastTransportBPM   = 0.0

  174.         self.fLastTransportFrame = 0

  175.         self.fLastTransportState = False

  176.         self.fBufferSize         = 0

  177.         self.fSampleRate         = 0.0

  178.         self.fOscAddressTCP      = ""

  179.         self.fOscAddressUDP      = ""

  180. 

  181.         if MACOS:

  182.             self.fMacClosingHelper = True

  183. 

  184.         # CancelableActionCallback Box

  185.         self.fCancelableActionBox = None

  186. 

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

  188.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  189. 

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

  191.         self.fFirstEngineInit = True

  192. 

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

  194.         self.fSavedSettings = {}

  195. 

  196.         # true if NSM server handles our window management

  197.         self.fWindowCloseHideGui = False

  198. 

  199.         if host.isControl:

  200.             self.fClientName         = "Carla-Control"

  201.             self.fSessionManagerName = "Control"

  202.         elif host.isPlugin:

  203.             self.fClientName         = "Carla-Plugin"

  204.             self.fSessionManagerName = "Plugin"

  205.         elif LADISH_APP_NAME:

  206.             self.fClientName         = LADISH_APP_NAME

  207.             self.fSessionManagerName = "LADISH"

  208.         elif NSM_URL and host.nsmOK:

  209.             self.fClientName         = "Carla.tmp"

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

  211.             self.fWindowCloseHideGui = True

  212.         else:

  213.             self.fClientName         = CARLA_CLIENT_NAME or "Carla"

  214.             self.fSessionManagerName = ""

  215. 

  216.         # ----------------------------------------------------------------------------------------------------

  217.         # Internal stuff (patchbay)

  218. 

  219.         self.fPeaksCleared = True

  220. 

  221.         self.fExternalPatchbay = False

  222.         self.fSelectedPlugins  = []

  223. 

  224.         self.fCanvasWidth  = 0

  225.         self.fCanvasHeight = 0

  226.         self.fMiniCanvasUpdateTimeout = 0

  227. 

  228.         self.fWithCanvas = withCanvas

  229. 

  230.         # ----------------------------------------------------------------------------------------------------

  231.         # Internal stuff (logs)

  232. 

  233.         self.autoscrollOnNewLog = True

  234.         self.lastLogSliderPos = 0

  235. 

  236.         # ----------------------------------------------------------------------------------------------------

  237.         # Set up GUI (engine stopped)

  238. 

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

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

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

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

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

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

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

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

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

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

  249. 

  250.             if self.host.isControl:

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

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

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

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

  255.             else:

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

  257. 

  258.                 if not withCanvas:

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

  260. 

  261.         else:

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

  263. 

  264.             if WINDOWS:

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

  266. 

  267.         if self.host.isControl:

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

  269.         else:

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

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

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

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

  274. 

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

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

  277. 

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

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

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

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

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

  283. 

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

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

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

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

  288. 

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

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

  291. 

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

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

  294. 

  295.         if not withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  313.             self.ui.tw_miniCanvas.hide()

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

  315.             if WINDOWS:

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

  317. 

  318.         # ----------------------------------------------------------------------------------------------------

  319.         # Set up GUI (disk)

  320. 

  321.         exts = gCarla.utils.get_supported_file_extensions()

  322. 

  323.         self.fDirModel = QFileSystemModel(self)

  324.         self.fDirModel.setRootPath(HOME)

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

  326. 

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

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

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

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

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

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

  333. 

  334.         # ----------------------------------------------------------------------------------------------------

  335.         # Set up GUI (transport)

  336. 

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

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

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

  340. 

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

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

  343. 

  344.         if minLabelWidth < labelTimeWidth:

  345.             minLabelWidth = labelTimeWidth

  346.         if minLabelWidth < labelBBTWidth:

  347.             minLabelWidth = labelBBTWidth

  348. 

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

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

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

  352. 

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

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

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

  356. 

  357.         if host.isPlugin:

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

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

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

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

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

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

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

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

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

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

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

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

  370. 

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

  372. 

  373.         # ----------------------------------------------------------------------------------------------------

  374.         # Set up GUI (rack)

  375. 

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

  377. 

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

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

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

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

  382. 

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

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

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

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

  387. 

  388.         self.updateStyle()

  389. 

  390.         self.ui.rack.setStyleSheet("""

  391.           CarlaRackList#CarlaRackList {

  392.             background-color: black;

  393.           }

  394.         """)

  395. 

  396.         # ----------------------------------------------------------------------------------------------------

  397.         # Set up GUI (patchbay)

  398. 

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

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

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

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

  403. 

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

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

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

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

  408. 

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

  410.         self.ui.keyboard   = self.ui.scrollArea.keyboard

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

  412. 

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

  414. 

  415.         self.ui.miniCanvasPreview.setRealParent(self)

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

  417. 

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

  419.         # Set up GUI (logs)

  420. 

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

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

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

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

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

  426. 

  427.         # ----------------------------------------------------------------------------------------------------

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

  429. 

  430.         if MACOS:

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

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

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

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

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

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

  437. 

  438.         # ----------------------------------------------------------------------------------------------------

  439.         # Load Settings

  440. 

  441.         self.loadSettings(True)

  442. 

  443.         # ----------------------------------------------------------------------------------------------------

  444.         # Set-up Canvas

  445. 

  446.         if withCanvas:

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

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

  449. 

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

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

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

  453. 

  454.             self.setupCanvas()

  455. 

  456.         # ----------------------------------------------------------------------------------------------------

  457.         # Set-up Icons

  458. 

  459.         if self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS]:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  489. 

  490.         # ----------------------------------------------------------------------------------------------------

  491.         # Connect actions to functions

  492. 

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

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

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

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

  497. 

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

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

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

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

  502. 

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

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

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

  506. 

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

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

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

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

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

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

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

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

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

  516. 

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

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

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

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

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

  522. 

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

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

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

  526. 

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

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

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

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

  531. 

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

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

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

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

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

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

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

  539. 

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

  541. 

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

  543. 

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

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

  546. 

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

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

  549. 

  550.         if withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  570. 

  571.         self.SIGUSR1.connect(self.slot_handleSIGUSR1)

  572.         self.SIGTERM.connect(self.slot_handleSIGTERM)

  573. 

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

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

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

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

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

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

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

  581. 

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

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

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

  585. 

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

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

  588. 

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

  590. 

  591.         if withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

  605. 

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

  607. 

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

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

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

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

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

  613. 

  614.         # ----------------------------------------------------------------------------------------------------

  615.         # Final setup

  616. 

  617.         self.ui.text_logs.clear()

  618.         self.slot_logButtonsState(False)

  619.         self.setProperWindowTitle()

  620. 

  621.         # Disable non-supported features

  622.         features = gCarla.utils.get_supported_features()

  623. 

  624.         if "link" not in features:

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

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

  627. 

  628.         if "juce" not in features:

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

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

  631. 

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

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

  634.             self.startTimers()

  635. 

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

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

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

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

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

  641. 

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

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

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

  645. 

  646.         # Load initial project file if set

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

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

  649. 

  650.             if projectFile:

  651.                 self.loadProjectLater(projectFile)

  652. 

  653.         # For NSM we wait for the open message

  654.         if NSM_URL and host.nsmOK:

  655.             host.nsm_ready(NSM_CALLBACK_INIT)

  656.             return

  657. 

  658.         if not host.isControl:

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

  660. 

  661.     # --------------------------------------------------------------------------------------------------------

  662.     # Manage visibility state, needed for NSM

  663. 

  664.     def hideForNSM(self):

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

  666.             if pitem is None:

  667.                 continue

  668.             pitem.getWidget().hideCustomUI()

  669.         self.hide()

  670. 

  671.     def showIfNeeded(self):

  672.         if self.host.nsmOK:

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

  674.             QApplication.instance().setQuitOnLastWindowClosed(False)

  675.         else:

  676.             self.show()

  677. 

  678.     # --------------------------------------------------------------------------------------------------------

  679.     # Setup

  680. 

  681.     def compactPlugin(self, pluginId):

  682.         if pluginId > self.fPluginCount:

  683.             return

  684. 

  685.         pitem = self.fPluginList[pluginId]

  686. 

  687.         if pitem is None:

  688.             return

  689. 

  690.         pitem.recreateWidget(True)

  691. 

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

  693.         if pluginId > self.fPluginCount:

  694.             return

  695. 

  696.         pitem = self.fPluginList[pluginId]

  697. 

  698.         if pitem is None:

  699.             return

  700. 

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

  702.         pitem.recreateWidget(newColor = color)

  703. 

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

  705.         if pluginId > self.fPluginCount:

  706.             return

  707. 

  708.         pitem = self.fPluginList[pluginId]

  709. 

  710.         if pitem is None:

  711.             return

  712. 

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

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

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

  716.         else:

  717.             pitem.recreateWidget(newSkin = skin)

  718. 

  719.     def findPluginInPatchbay(self, pluginId):

  720.         if pluginId > self.fPluginCount:

  721.             return

  722. 

  723.         if self.fExternalPatchbay:

  724.             self.slot_canvasShowInternal()

  725. 

  726.         if not patchcanvas.focusGroupUsingPluginId(pluginId):

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

  728.             if not patchcanvas.focusGroupUsingGroupName(name):

  729.                 return

  730. 

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

  732. 

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

  734.         if pluginIdA == pluginIdB:

  735.             return

  736.         if pluginIdA < 0 or pluginIdB < 0:

  737.             return

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

  739.             return

  740. 

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

  742. 

  743.         itemA = self.fPluginList[pluginIdA]

  744.         compactA = itemA.isCompacted()

  745.         guiShownA = itemA.isGuiShown()

  746. 

  747.         itemB = self.fPluginList[pluginIdB]

  748.         compactB = itemB.isCompacted()

  749.         guiShownB = itemB.isGuiShown()

  750. 

  751.         itemA.setPluginId(pluginIdA)

  752.         itemA.recreateWidget2(compactB, guiShownB)

  753. 

  754.         itemB.setPluginId(pluginIdB)

  755.         itemB.recreateWidget2(compactA, guiShownA)

  756. 

  757.         if self.fWithCanvas:

  758.             self.slot_canvasRefresh()

  759. 

  760.     def setLoadRDFsNeeded(self):

  761.         self.fLadspaRdfNeedsUpdate = True

  762. 

  763.     def setProperWindowTitle(self):

  764.         title = self.fClientName

  765. 

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

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

  768.         if self.fSessionManagerName:

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

  770. 

  771.         self.setWindowTitle(title)

  772. 

  773.     def updateBufferSize(self, newBufferSize):

  774.         if self.fBufferSize == newBufferSize:

  775.             return

  776.         self.fBufferSize = newBufferSize

  777.         self.ui.cb_buffer_size.clear()

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

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

  780. 

  781.     def updateSampleRate(self, newSampleRate):

  782.         if self.fSampleRate == newSampleRate:

  783.             return

  784.         self.fSampleRate = newSampleRate

  785.         self.ui.cb_sample_rate.clear()

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

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

  788.         self.refreshTransport(True)

  789. 

  790.     # --------------------------------------------------------------------------------------------------------

  791.     # Files

  792. 

  793.     def loadProjectNow(self):

  794.         if not self.fProjectFilename:

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

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

  797.             return

  798. 

  799.         self.projectLoadingStarted()

  800.         self.fIsProjectLoading = True

  801. 

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

  803.             self.fIsProjectLoading = False

  804.             self.projectLoadingFinished(True)

  805. 

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

  807.                              self.host.get_last_error(),

  808.                              QMessageBox.Ok, QMessageBox.Ok)

  809. 

  810.     def loadProjectLater(self, filename):

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

  812.         self.setProperWindowTitle()

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

  814. 

  815.     def saveProjectNow(self):

  816.         if not self.fProjectFilename:

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

  818. 

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

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

  821.                              self.host.get_last_error(),

  822.                              QMessageBox.Ok, QMessageBox.Ok)

  823.             return

  824. 

  825.     def projectLoadingStarted(self):

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

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

  828. 

  829.     def projectLoadingFinished(self, refreshCanvas):

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

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

  832. 

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

  834.             return

  835. 

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

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

  838. 

  839.     def loadExternalCanvasGroupPositionsIfNeeded(self, filename):

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

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

  842.             return False

  843. 

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

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

  846.                 return False

  847. 

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

  849.             try:

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

  851.             except:

  852.                 return False

  853. 

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

  855.         patchcanvas.restoreGroupPositions(canvasdata)

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

  857.         return True

  858. 

  859.     # --------------------------------------------------------------------------------------------------------

  860.     # Files (menu actions)

  861. 

  862.     @pyqtSlot()

  863.     def slot_fileNew(self):

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

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

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

  867.             return

  868. 

  869.         self.pluginRemoveAll()

  870.         self.fProjectFilename = ""

  871.         self.setProperWindowTitle()

  872.         self.host.clear_project_filename()

  873. 

  874.     @pyqtSlot()

  875.     def slot_fileOpen(self):

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

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

  878. 

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

  880.         if not filename:

  881.             return

  882. 

  883.         newFile = True

  884. 

  885.         if self.fPluginCount > 0:

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

  887.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  889. 

  890.         if newFile:

  891.             self.pluginRemoveAll()

  892.             self.fProjectFilename = filename

  893.             self.setProperWindowTitle()

  894.             self.loadProjectNow()

  895.         else:

  896.             filenameOld = self.fProjectFilename

  897.             self.fProjectFilename = filename

  898.             self.loadProjectNow()

  899.             self.fProjectFilename = filenameOld

  900. 

  901.     @pyqtSlot()

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

  903.         if self.fProjectFilename and not saveAs:

  904.             return self.saveProjectNow()

  905. 

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

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

  908. 

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

  910.         if not filename:

  911.             return

  912. 

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

  914.             filename += ".carxp"

  915. 

  916.         if self.fProjectFilename != filename:

  917.             self.fProjectFilename = filename

  918.             self.setProperWindowTitle()

  919. 

  920.         self.saveProjectNow()

  921. 

  922.     @pyqtSlot()

  923.     def slot_fileSaveAs(self):

  924.         self.slot_fileSave(True)

  925. 

  926.     @pyqtSlot()

  927.     def slot_loadProjectNow(self):

  928.         self.loadProjectNow()

  929. 

  930.     # --------------------------------------------------------------------------------------------------------

  931.     # Engine (menu actions)

  932. 

  933.     @pyqtSlot()

  934.     def slot_engineStart(self):

  935.         audioDriver = setEngineSettings(self.host)

  936.         firstInit   = self.fFirstEngineInit

  937. 

  938.         self.fFirstEngineInit = False

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

  940. 

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

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

  943.                 settings = QSafeSettings()

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

  945.                 del settings

  946.                 if lastBpm >= 20.0:

  947.                     self.host.transport_bpm(lastBpm)

  948.             return

  949. 

  950.         elif firstInit:

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

  952.             return

  953. 

  954.         audioError = self.host.get_last_error()

  955. 

  956.         if audioError:

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

  958.         else:

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

  960. 

  961.     @pyqtSlot()

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

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

  964. 

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

  966.             self.engineStopFinal()

  967.             return True

  968. 

  969.         if not forced:

  970.             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"

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

  972.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  973.             if ask != QMessageBox.Yes:

  974.                 return False

  975. 

  976.         return self.slot_engineStopTryAgain()

  977. 

  978.     @pyqtSlot()

  979.     def slot_engineConfig(self):

  980.         engineRunning = self.host.is_engine_running()

  981. 

  982.         if engineRunning:

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

  984. 

  985.         else:

  986.             if self.host.isPlugin:

  987.                 driverName = "Plugin"

  988.                 driverIndex = 0

  989.             elif self.host.audioDriverForced:

  990.                 driverName = self.host.audioDriverForced

  991.                 driverIndex = 0

  992.             else:

  993.                 settings = QSafeSettings()

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

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

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

  997.                         driverIndex = i

  998.                         break

  999.                 else:

  1000.                     driverIndex = -1

  1001.                 del settings

  1002.             dialog = DriverSettingsW(self.fParentOrSelf, self.host, driverIndex, driverName)

  1003.             dialog.ui.ico_restart.hide()

  1004.             dialog.ui.label_restart.hide()

  1005.             dialog.adjustSize()

  1006. 

  1007.         if not dialog.exec_():

  1008.             return

  1009. 

  1010.         audioDevice, bufferSize, sampleRate = dialog.getValues()

  1011. 

  1012.         if engineRunning:

  1013.             self.host.set_engine_buffer_size_and_sample_rate(bufferSize, sampleRate)

  1014.         else:

  1015.             self.host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE, 0, audioDevice)

  1016.             self.host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, bufferSize, "")

  1017.             self.host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, sampleRate, "")

  1018. 

  1019.     @pyqtSlot()

  1020.     def slot_engineStopTryAgain(self):

  1021.         if self.host.is_engine_running() and not self.host.set_engine_about_to_close():

  1022.             QTimer.singleShot(0, self.slot_engineStopTryAgain)

  1023.             return False

  1024. 

  1025.         self.engineStopFinal()

  1026.         return True

  1027. 

  1028.     def engineStopFinal(self):

  1029.         patchcanvas.handleAllPluginsRemoved()

  1030.         self.killTimers()

  1031. 

  1032.         if self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  1033.             self.removeAllPlugins()

  1034.         else:

  1035.             self.fProjectFilename = ""

  1036.             self.setProperWindowTitle()

  1037.             if self.fPluginCount != 0:

  1038.                 self.fCurrentlyRemovingAllPlugins = True

  1039.                 self.projectLoadingStarted()

  1040. 

  1041.         if self.host.is_engine_running() and not self.host.remove_all_plugins():

  1042.             self.ui.text_logs.appendPlainText("Failed to remove all plugins, error was:")

  1043.             self.ui.text_logs.appendPlainText(self.host.get_last_error())

  1044. 

  1045.         if not self.host.engine_close():

  1046.             self.ui.text_logs.appendPlainText("Failed to stop engine, error was:")

  1047.             self.ui.text_logs.appendPlainText(self.host.get_last_error())

  1048. 

  1049.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  1050.             self.close()

  1051.         elif self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  1052.             self.slot_engineStart()

  1053.             self.loadProjectNow()

  1054.             self.host.nsm_ready(NSM_CALLBACK_OPEN)

  1055. 

  1056.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  1057. 

  1058.     # --------------------------------------------------------------------------------------------------------

  1059.     # Engine (host callbacks)

  1060. 

  1061.     @pyqtSlot(int, int, int, int, float, str)

  1062.     def slot_handleEngineStartedCallback(self, pluginCount, processMode, transportMode, bufferSize, sampleRate, driverName):

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

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

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

  1066. 

  1067.         self.ui.act_canvas_show_internal.blockSignals(True)

  1068.         self.ui.act_canvas_show_external.blockSignals(True)

  1069. 

  1070.         if processMode == ENGINE_PROCESS_MODE_PATCHBAY and not self.host.isPlugin:

  1071.             self.ui.act_canvas_show_internal.setChecked(True)

  1072.             self.ui.act_canvas_show_internal.setVisible(True)

  1073.             self.ui.act_canvas_show_external.setChecked(False)

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

  1075.             self.fExternalPatchbay = False

  1076.         else:

  1077.             self.ui.act_canvas_show_internal.setChecked(False)

  1078.             self.ui.act_canvas_show_internal.setVisible(False)

  1079.             self.ui.act_canvas_show_external.setChecked(True)

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

  1081.             self.fExternalPatchbay = not self.host.isPlugin

  1082. 

  1083.         self.ui.act_canvas_show_internal.blockSignals(False)

  1084.         self.ui.act_canvas_show_external.blockSignals(False)

  1085. 

  1086.         if not (self.host.isControl or self.host.isPlugin):

  1087.             canSave = (self.fProjectFilename and os.path.exists(self.fProjectFilename)) or not self.fSessionManagerName

  1088.             self.ui.act_file_save.setEnabled(canSave)

  1089.             self.ui.act_engine_start.setEnabled(False)

  1090.             self.ui.act_engine_stop.setEnabled(True)

  1091. 

  1092.         if not self.host.isPlugin:

  1093.             self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1094. 

  1095.         if self.host.isPlugin or not self.fSessionManagerName:

  1096.             self.ui.act_file_open.setEnabled(True)

  1097.             self.ui.act_file_save_as.setEnabled(True)

  1098. 

  1099.         self.ui.cb_transport_jack.setChecked(transportMode == ENGINE_TRANSPORT_MODE_JACK)

  1100.         self.ui.cb_transport_jack.setEnabled(driverName == "JACK" and processMode != ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS)

  1101. 

  1102.         if self.ui.cb_transport_link.isEnabled():

  1103.             self.ui.cb_transport_link.setChecked(":link:" in self.host.transportExtra)

  1104. 

  1105.         self.updateBufferSize(bufferSize)

  1106.         self.updateSampleRate(int(sampleRate))

  1107.         self.refreshRuntimeInfo(0.0, 0)

  1108.         self.startTimers()

  1109. 

  1110.         self.ui.text_logs.appendPlainText("======= Engine started ========")

  1111.         self.ui.text_logs.appendPlainText("Carla engine started, details:")

  1112.         self.ui.text_logs.appendPlainText("  Driver name:  %s" % driverName)

  1113.         self.ui.text_logs.appendPlainText("  Sample rate:  %i" % int(sampleRate))

  1114.         self.ui.text_logs.appendPlainText("  Process mode: %s" % processMode2Str(processMode))

  1115. 

  1116.     @pyqtSlot()

  1117.     def slot_handleEngineStoppedCallback(self):

  1118.         self.ui.text_logs.appendPlainText("======= Engine stopped ========")

  1119. 

  1120.         if self.fWithCanvas:

  1121.             patchcanvas.clear()

  1122. 

  1123.         self.killTimers()

  1124. 

  1125.         # just in case

  1126.         self.removeAllPlugins()

  1127.         self.refreshRuntimeInfo(0.0, 0)

  1128. 

  1129.         self.ui.menu_PluginMacros.setEnabled(False)

  1130.         self.ui.menu_Canvas.setEnabled(False)

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

  1132. 

  1133.         if not (self.host.isControl or self.host.isPlugin):

  1134.             self.ui.act_file_save.setEnabled(False)

  1135.             self.ui.act_engine_start.setEnabled(True)

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

  1137. 

  1138.         if self.host.isPlugin or not self.fSessionManagerName:

  1139.             self.ui.act_file_open.setEnabled(False)

  1140.             self.ui.act_file_save_as.setEnabled(False)

  1141. 

  1142.     @pyqtSlot(int, str)

  1143.     def slot_handleTransportModeChangedCallback(self, transportMode, transportExtra):

  1144.         self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1145. 

  1146.         self.ui.cb_transport_jack.setChecked(transportMode == ENGINE_TRANSPORT_MODE_JACK)

  1147.         self.ui.cb_transport_link.setChecked(":link:" in transportExtra)

  1148. 

  1149.     @pyqtSlot(int)

  1150.     def slot_handleBufferSizeChangedCallback(self, newBufferSize):

  1151.         self.updateBufferSize(newBufferSize)

  1152. 

  1153.     @pyqtSlot(float)

  1154.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  1155.         self.updateSampleRate(int(newSampleRate))

  1156. 

  1157.     @pyqtSlot(int, bool, str)

  1158.     def slot_handleCancelableActionCallback(self, pluginId, started, action):

  1159.         if self.fCancelableActionBox is not None:

  1160.             self.fCancelableActionBox.close()

  1161. 

  1162.         if started:

  1163.             self.fCancelableActionBox = QMessageBox(self)

  1164.             self.fCancelableActionBox.setIcon(QMessageBox.Information)

  1165.             self.fCancelableActionBox.setWindowTitle(self.tr("Action in progress"))

  1166.             self.fCancelableActionBox.setText(action)

  1167.             self.fCancelableActionBox.setInformativeText(self.tr("An action is in progress, please wait..."))

  1168.             self.fCancelableActionBox.setStandardButtons(QMessageBox.Cancel)

  1169.             self.fCancelableActionBox.setDefaultButton(QMessageBox.Cancel)

  1170.             self.fCancelableActionBox.buttonClicked.connect(self.slot_canlableActionBoxClicked)

  1171.             self.fCancelableActionBox.show()

  1172. 

  1173.         else:

  1174.             self.fCancelableActionBox = None

  1175. 

  1176.     @pyqtSlot()

  1177.     def slot_canlableActionBoxClicked(self):

  1178.         self.host.cancel_engine_action()

  1179. 

  1180.     @pyqtSlot()

  1181.     def slot_handleProjectLoadFinishedCallback(self):

  1182.         self.fIsProjectLoading = False

  1183.         self.projectLoadingFinished(False)

  1184. 

  1185.     # --------------------------------------------------------------------------------------------------------

  1186.     # Plugins

  1187. 

  1188.     def removeAllPlugins(self):

  1189.         self.ui.act_plugin_remove_all.setEnabled(False)

  1190.         patchcanvas.handleAllPluginsRemoved()

  1191. 

  1192.         while self.ui.listWidget.takeItem(0):

  1193.             pass

  1194. 

  1195.         self.clearSideStuff()

  1196. 

  1197.         for pitem in self.fPluginList:

  1198.             if pitem is None:

  1199.                 continue

  1200. 

  1201.             pitem.close()

  1202.             del pitem

  1203. 

  1204.         self.fPluginCount = 0

  1205.         self.fPluginList  = []

  1206. 

  1207.     # --------------------------------------------------------------------------------------------------------

  1208.     # Plugins (menu actions)

  1209. 

  1210.     def showAddPluginDialog(self):

  1211.         #ret = gCarla.felib.createAndExecPluginListDialog(self.fParentOrSelf,

  1212.                                                          #self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS])

  1213.         #print(ret)

  1214.         #return

  1215.         #ret = gCarla.felib.createAndExecPluginListRefreshDialog(self.fParentOrSelf,

  1216.                                                                 #self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS])

  1217.         #print(ret)

  1218.         #return

  1219. 

  1220.         if self.fPluginDatabaseDialog is None:

  1221.             self.fPluginDatabaseDialog = PluginListDialog(self.fParentOrSelf, self.host,

  1222.                                                           self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS])

  1223.         dialog = self.fPluginDatabaseDialog

  1224.         dialog.hasLoadedLv2Plugins = self.fHasLoadedLv2Plugins

  1225. 

  1226.         ret = dialog.exec_()

  1227. 

  1228.         if dialog.fFavoritePluginsChanged:

  1229.             self.fFavoritePlugins = dialog.fFavoritePlugins

  1230. 

  1231.         if not ret:

  1232.             return

  1233. 

  1234.         if not self.host.is_engine_running():

  1235.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1236.             return

  1237. 

  1238.         btype    = dialog.fRetPlugin['build']

  1239.         ptype    = dialog.fRetPlugin['type']

  1240.         filename = dialog.fRetPlugin['filename']

  1241.         label    = dialog.fRetPlugin['label']

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

  1243.         extraPtr = self.getExtraPtr(dialog.fRetPlugin)

  1244. 

  1245.         return (btype, ptype, filename, label, uniqueId, extraPtr)

  1246. 

  1247.     def showAddJackAppDialog(self):

  1248.         ret = gCarla.felib.createAndExecJackAppDialog(self.fParentOrSelf, self.fProjectFilename)

  1249. 

  1250.         if not ret:

  1251.             return

  1252. 

  1253.         if not self.host.is_engine_running():

  1254.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1255.             return

  1256. 

  1257.         return ret

  1258. 

  1259.     @pyqtSlot()

  1260.     def slot_favoritePluginAdd(self):

  1261.         plugin = self.sender().data()

  1262. 

  1263.         if plugin is None:

  1264.             return

  1265. 

  1266.         if not self.host.add_plugin(plugin['build'], plugin['type'], plugin['filename'], None,

  1267.                                     plugin['label'], plugin['uniqueId'], None, PLUGIN_OPTIONS_NULL):

  1268.             # remove plugin from favorites

  1269.             try:

  1270.                 self.fFavoritePlugins.remove(plugin)

  1271.             except ValueError:

  1272.                 pass

  1273.             else:

  1274.                 settingsDBf = QSafeSettings("falkTX", "CarlaDatabase2")

  1275.                 settingsDBf.setValue("PluginDatabase/Favorites", self.fFavoritePlugins)

  1276.                 settingsDBf.sync()

  1277.                 del settingsDBf

  1278. 

  1279.             CustomMessageBox(self,

  1280.                              QMessageBox.Critical,

  1281.                              self.tr("Error"),

  1282.                              self.tr("Failed to load plugin"),

  1283.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1284. 

  1285.     @pyqtSlot()

  1286.     def slot_showPluginActionsMenu(self):

  1287.         menu = QMenu(self)

  1288. 

  1289.         menu.addSection("Plugins")

  1290.         menu.addAction(self.ui.act_plugin_add)

  1291. 

  1292.         if len(self.fFavoritePlugins) != 0:

  1293.             fmenu = QMenu("Add from favorites", self)

  1294.             for p in self.fFavoritePlugins:

  1295.                 act = fmenu.addAction(p['name'])

  1296.                 act.setData(p)

  1297.                 act.triggered.connect(self.slot_favoritePluginAdd)

  1298.             menu.addMenu(fmenu)

  1299. 

  1300.         menu.addAction(self.ui.act_plugin_remove_all)

  1301. 

  1302.         menu.addSection("All plugins (macros)")

  1303.         menu.addAction(self.ui.act_plugins_enable)

  1304.         menu.addAction(self.ui.act_plugins_disable)

  1305.         menu.addSeparator()

  1306.         menu.addAction(self.ui.act_plugins_volume100)

  1307.         menu.addAction(self.ui.act_plugins_mute)

  1308.         menu.addSeparator()

  1309.         menu.addAction(self.ui.act_plugins_wet100)

  1310.         menu.addAction(self.ui.act_plugins_bypass)

  1311.         menu.addSeparator()

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

  1313.         menu.addSeparator()

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

  1315.         menu.addAction(self.ui.act_plugins_expand)

  1316. 

  1317.         menu.exec_(QCursor.pos())

  1318. 

  1319.     @pyqtSlot()

  1320.     def slot_pluginAdd(self):

  1321.         data = self.showAddPluginDialog()

  1322. 

  1323.         if data is None:

  1324.             return

  1325. 

  1326.         btype, ptype, filename, label, uniqueId, extraPtr = data

  1327. 

  1328.         if not self.host.add_plugin(btype, ptype, filename, None, label, uniqueId, extraPtr, PLUGIN_OPTIONS_NULL):

  1329.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1330.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1331. 

  1332.     @pyqtSlot()

  1333.     def slot_confirmRemoveAll(self):

  1334.         if self.fPluginCount == 0:

  1335.             return

  1336. 

  1337.         if QMessageBox.question(self, self.tr("Remove All"),

  1338.                                       self.tr("Are you sure you want to remove all plugins?"),

  1339.                                       QMessageBox.Yes|QMessageBox.No) == QMessageBox.No:

  1340.             return

  1341. 

  1342.         self.pluginRemoveAll()

  1343. 

  1344.     def pluginRemoveAll(self):

  1345.         if self.fPluginCount == 0:

  1346.             return

  1347. 

  1348.         self.fCurrentlyRemovingAllPlugins = True

  1349.         self.projectLoadingStarted()

  1350. 

  1351.         if not self.host.remove_all_plugins():

  1352.             self.projectLoadingFinished(True)

  1353.             self.fCurrentlyRemovingAllPlugins = False

  1354.             CustomMessageBox(self, QMessageBox.Warning, self.tr("Error"), self.tr("Operation failed"),

  1355.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1356. 

  1357.     @pyqtSlot()

  1358.     def slot_jackAppAdd(self):

  1359.         data = self.showAddJackAppDialog()

  1360. 

  1361.         if data is None:

  1362.             return

  1363. 

  1364.         if not data['command']:

  1365.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Cannot add jack application"),

  1366.                              self.tr("command is empty"), QMessageBox.Ok, QMessageBox.Ok)

  1367.             return

  1368. 

  1369.         if not self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK,

  1370.                                     data['command'], data['name'], data['labelSetup'],

  1371.                                     0, None, PLUGIN_OPTIONS_NULL):

  1372.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1373.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1374. 

  1375.     # --------------------------------------------------------------------------------------------------------

  1376.     # Plugins (macros)

  1377. 

  1378.     @pyqtSlot()

  1379.     def slot_pluginsEnable(self):

  1380.         if not self.host.is_engine_running():

  1381.             return

  1382. 

  1383.         for pitem in self.fPluginList:

  1384.             if pitem is None:

  1385.                 break

  1386. 

  1387.             pitem.getWidget().setActive(True, True, True)

  1388. 

  1389.     @pyqtSlot()

  1390.     def slot_pluginsDisable(self):

  1391.         if not self.host.is_engine_running():

  1392.             return

  1393. 

  1394.         for pitem in self.fPluginList:

  1395.             if pitem is None:

  1396.                 break

  1397. 

  1398.             pitem.getWidget().setActive(False, True, True)

  1399. 

  1400.     @pyqtSlot()

  1401.     def slot_pluginsVolume100(self):

  1402.         if not self.host.is_engine_running():

  1403.             return

  1404. 

  1405.         for pitem in self.fPluginList:

  1406.             if pitem is None:

  1407.                 break

  1408. 

  1409.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 1.0)

  1410. 

  1411.     @pyqtSlot()

  1412.     def slot_pluginsMute(self):

  1413.         if not self.host.is_engine_running():

  1414.             return

  1415. 

  1416.         for pitem in self.fPluginList:

  1417.             if pitem is None:

  1418.                 break

  1419. 

  1420.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 0.0)

  1421. 

  1422.     @pyqtSlot()

  1423.     def slot_pluginsWet100(self):

  1424.         if not self.host.is_engine_running():

  1425.             return

  1426. 

  1427.         for pitem in self.fPluginList:

  1428.             if pitem is None:

  1429.                 break

  1430. 

  1431.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 1.0)

  1432. 

  1433.     @pyqtSlot()

  1434.     def slot_pluginsBypass(self):

  1435.         if not self.host.is_engine_running():

  1436.             return

  1437. 

  1438.         for pitem in self.fPluginList:

  1439.             if pitem is None:

  1440.                 break

  1441. 

  1442.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 0.0)

  1443. 

  1444.     @pyqtSlot()

  1445.     def slot_pluginsCenter(self):

  1446.         if not self.host.is_engine_running():

  1447.             return

  1448. 

  1449.         for pitem in self.fPluginList:

  1450.             if pitem is None:

  1451.                 break

  1452. 

  1453.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1454.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1455.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1456. 

  1457.     @pyqtSlot()

  1458.     def slot_pluginsCompact(self):

  1459.         for pitem in self.fPluginList:

  1460.             if pitem is None:

  1461.                 break

  1462.             pitem.compact()

  1463. 

  1464.     @pyqtSlot()

  1465.     def slot_pluginsExpand(self):

  1466.         for pitem in self.fPluginList:

  1467.             if pitem is None:

  1468.                 break

  1469.             pitem.expand()

  1470. 

  1471.     # --------------------------------------------------------------------------------------------------------

  1472.     # Plugins (host callbacks)

  1473. 

  1474.     @pyqtSlot(int, int, str)

  1475.     def slot_handlePluginAddedCallback(self, pluginId, pluginType, pluginName):

  1476.         if pluginId != self.fPluginCount:

  1477.             print("ERROR: pluginAdded mismatch Id:", pluginId, self.fPluginCount)

  1478.             pitem = self.getPluginItem(pluginId)

  1479.             pitem.recreateWidget()

  1480.             return

  1481. 

  1482.         pitem = self.ui.listWidget.createItem(pluginId, self.fSavedSettings[CARLA_KEY_MAIN_CLASSIC_SKIN])

  1483.         self.fPluginList.append(pitem)

  1484.         self.fPluginCount += 1

  1485. 

  1486.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1487. 

  1488.         if pluginType == PLUGIN_LV2:

  1489.             self.fHasLoadedLv2Plugins = True

  1490. 

  1491.     @pyqtSlot(int)

  1492.     def slot_handlePluginRemovedCallback(self, pluginId):

  1493.         if self.fWithCanvas:

  1494.             patchcanvas.handlePluginRemoved(pluginId)

  1495. 

  1496.         if pluginId in self.fSelectedPlugins:

  1497.             self.clearSideStuff()

  1498. 

  1499.         if self.fPluginCount == 0:

  1500.             return

  1501. 

  1502.         pitem = self.getPluginItem(pluginId)

  1503. 

  1504.         self.fPluginCount -= 1

  1505.         self.fPluginList.pop(pluginId)

  1506.         self.ui.listWidget.takeItem(pluginId)

  1507. 

  1508.         if pitem is not None:

  1509.             pitem.close()

  1510.             del pitem

  1511. 

  1512.         if self.fPluginCount == 0:

  1513.             self.ui.act_plugin_remove_all.setEnabled(False)

  1514.             if self.fCurrentlyRemovingAllPlugins:

  1515.                 self.fCurrentlyRemovingAllPlugins = False

  1516.                 self.projectLoadingFinished(False)

  1517.             return

  1518. 

  1519.         # push all plugins 1 slot back

  1520.         for i in range(pluginId, self.fPluginCount):

  1521.             pitem = self.fPluginList[i]

  1522.             pitem.setPluginId(i)

  1523. 

  1524.         self.ui.act_plugin_remove_all.setEnabled(True)

  1525. 

  1526.     # --------------------------------------------------------------------------------------------------------

  1527.     # Canvas

  1528. 

  1529.     def clearSideStuff(self):

  1530.         if self.fWithCanvas:

  1531.             self.scene.clearSelection()

  1532. 

  1533.         self.fSelectedPlugins = []

  1534. 

  1535.         self.ui.keyboard.allNotesOff(False)

  1536.         self.ui.scrollArea.setEnabled(False)

  1537. 

  1538.         self.fPeaksCleared = True

  1539.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1540.         self.ui.peak_in.displayMeter(2, 0.0, True)

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

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

  1543. 

  1544.     def setupCanvas(self):

  1545.         pOptions = patchcanvas.options_t()

  1546.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1547.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1548.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1549.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1550.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1551.         pOptions.inline_displays   = self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS]

  1552. 

  1553.         if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY]:

  1554.             pOptions.eyecandy = patchcanvas.EYECANDY_FULL

  1555.         elif self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]:

  1556.             pOptions.eyecandy = patchcanvas.EYECANDY_SMALL

  1557.         else:

  1558.             pOptions.eyecandy = patchcanvas.EYECANDY_NONE

  1559. 

  1560.         pFeatures = patchcanvas.features_t()

  1561.         pFeatures.group_info   = False

  1562.         pFeatures.group_rename = False

  1563.         pFeatures.port_info    = False

  1564.         pFeatures.port_rename  = False

  1565.         pFeatures.handle_group_pos = False

  1566. 

  1567.         patchcanvas.setOptions(pOptions)

  1568.         patchcanvas.setFeatures(pFeatures)

  1569.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1570. 

  1571.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1572. 

  1573.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1574.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1575.             self.fCanvasHeight = int(tryCanvasSize[1])

  1576.         else:

  1577.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1578.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1579. 

  1580.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1581.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1582.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1583. 

  1584.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1585.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1586. 

  1587.         if self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] != patchcanvas.ANTIALIASING_NONE:

  1588.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, True)

  1589. 

  1590.             fullAA = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] == patchcanvas.ANTIALIASING_FULL

  1591.             self.ui.graphicsView.setRenderHint(QPainter.SmoothPixmapTransform, fullAA)

  1592.             self.ui.graphicsView.setRenderHint(QPainter.TextAntialiasing, fullAA)

  1593. 

  1594.             if self.fSavedSettings[CARLA_KEY_CANVAS_USE_OPENGL] and hasGL:

  1595.                 self.ui.graphicsView.setRenderHint(QPainter.HighQualityAntialiasing, self.fSavedSettings[CARLA_KEY_CANVAS_HQ_ANTIALIASING])

  1596. 

  1597.         else:

  1598.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, False)

  1599. 

  1600.         if self.fSavedSettings[CARLA_KEY_CANVAS_FULL_REPAINTS]:

  1601.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.FullViewportUpdate)

  1602.         else:

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

  1604. 

  1605.     def updateCanvasInitialPos(self):

  1606.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1607.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1608.         patchcanvas.setInitialPos(x, y)

  1609. 

  1610.     def updateMiniCanvasLater(self):

  1611.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1612. 

  1613.     # --------------------------------------------------------------------------------------------------------

  1614.     # Canvas (menu actions)

  1615. 

  1616.     @pyqtSlot()

  1617.     def slot_canvasShowInternal(self):

  1618.         self.fExternalPatchbay = False

  1619.         self.ui.act_canvas_show_internal.blockSignals(True)

  1620.         self.ui.act_canvas_show_external.blockSignals(True)

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

  1622.         self.ui.act_canvas_show_external.setChecked(False)

  1623.         self.ui.act_canvas_show_internal.blockSignals(False)

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

  1625.         self.slot_canvasRefresh()

  1626. 

  1627.     @pyqtSlot()

  1628.     def slot_canvasShowExternal(self):

  1629.         self.fExternalPatchbay = True

  1630.         self.ui.act_canvas_show_internal.blockSignals(True)

  1631.         self.ui.act_canvas_show_external.blockSignals(True)

  1632.         self.ui.act_canvas_show_internal.setChecked(False)

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

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

  1635.         self.ui.act_canvas_show_external.blockSignals(False)

  1636.         self.slot_canvasRefresh()

  1637. 

  1638.     @pyqtSlot()

  1639.     def slot_canvasArrange(self):

  1640.         patchcanvas.arrange()

  1641. 

  1642.     @pyqtSlot()

  1643.     def slot_canvasRefresh(self):

  1644.         patchcanvas.clear()

  1645. 

  1646.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1647.             return

  1648. 

  1649.         if self.host.is_engine_running():

  1650.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1651. 

  1652.         self.updateMiniCanvasLater()

  1653. 

  1654.     @pyqtSlot()

  1655.     def slot_canvasZoomFit(self):

  1656.         self.scene.zoom_fit()

  1657. 

  1658.     @pyqtSlot()

  1659.     def slot_canvasZoomIn(self):

  1660.         self.scene.zoom_in()

  1661. 

  1662.     @pyqtSlot()

  1663.     def slot_canvasZoomOut(self):

  1664.         self.scene.zoom_out()

  1665. 

  1666.     @pyqtSlot()

  1667.     def slot_canvasZoomReset(self):

  1668.         self.scene.zoom_reset()

  1669. 

  1670.     def _canvasImageRender(self, zoom = 1.0):

  1671.         image   = QImage(self.scene.width()*zoom, self.scene.height()*zoom, QImage.Format_RGB32)

  1672.         painter = QPainter(image)

  1673.         painter.save()

  1674.         painter.setRenderHints(painter.renderHints() | QPainter.Antialiasing | QPainter.TextAntialiasing)

  1675.         self.scene.clearSelection()

  1676.         self.scene.render(painter)

  1677.         painter.restore()

  1678.         del painter

  1679.         return image

  1680. 

  1681.     def _canvasImageWrite(self, iw: QImageWriter, imgFormat: bytes, image: QImage):

  1682.         iw.setFormat(imgFormat)

  1683.         iw.setCompression(-1)

  1684.         if QT_VERSION >= 0x50500:

  1685.             iw.setOptimizedWrite(True)

  1686.         iw.write(image)

  1687. 

  1688.     @pyqtSlot()

  1689.     def slot_canvasSaveImage(self):

  1690.         if self.fProjectFilename:

  1691.             dir = QFileInfo(self.fProjectFilename).absoluteDir().absolutePath()

  1692.         else:

  1693.             dir = self.fSavedSettings[CARLA_KEY_MAIN_PROJECT_FOLDER]

  1694. 

  1695.         fileDialog = QFileDialog(self)

  1696.         fileDialog.setAcceptMode(QFileDialog.AcceptSave)

  1697.         fileDialog.setDirectory(dir)

  1698.         fileDialog.setFileMode(QFileDialog.AnyFile)

  1699.         fileDialog.setMimeTypeFilters(("image/png", "image/jpeg"))

  1700.         fileDialog.setNameFilter(self.tr("Images (*.png *.jpg)"))

  1701.         fileDialog.setOptions(QFileDialog.DontUseCustomDirectoryIcons)

  1702.         fileDialog.setWindowTitle(self.tr("Save Image"))

  1703. 

  1704.         ok = fileDialog.exec_()

  1705. 

  1706.         if not ok:

  1707.             return

  1708. 

  1709.         newPath = fileDialog.selectedFiles()

  1710. 

  1711.         if len(newPath) != 1:

  1712.             return

  1713. 

  1714.         newPath = newPath[0]

  1715. 

  1716.         if QT_VERSION >= 0x50900:

  1717.             if fileDialog.selectedMimeTypeFilter() == "image/jpeg":

  1718.                 imgFormat = b"JPG"

  1719.             else:

  1720.                 imgFormat = b"PNG"

  1721.         else:

  1722.             if newPath.lower().endswith((".jpg", ".jpeg")):

  1723.                 imgFormat = b"JPG"

  1724.             else:

  1725.                 imgFormat = b"PNG"

  1726. 

  1727.         sender = self.sender()

  1728.         if sender == self.ui.act_canvas_save_image_2x:

  1729.             zoom = 2.0

  1730.         elif sender == self.ui.act_canvas_save_image_4x:

  1731.             zoom = 4.0

  1732.         else:

  1733.             zoom = 1.0

  1734. 

  1735.         image = self._canvasImageRender(zoom)

  1736.         iw = QImageWriter(newPath)

  1737.         self._canvasImageWrite(iw, imgFormat, image)

  1738. 

  1739.     @pyqtSlot()

  1740.     def slot_canvasCopyToClipboard(self):

  1741.         buffer = QBuffer()

  1742.         buffer.open(QIODevice.WriteOnly)

  1743. 

  1744.         image = self._canvasImageRender()

  1745.         iw = QImageWriter(buffer, b"PNG")

  1746.         self._canvasImageWrite(iw, b"PNG", image)

  1747. 

  1748.         buffer.close()

  1749. 

  1750.         mimeData = QMimeData()

  1751.         mimeData.setData("image/png", buffer.buffer());

  1752. 

  1753.         QApplication.clipboard().setMimeData(mimeData)

  1754. 

  1755.     # --------------------------------------------------------------------------------------------------------

  1756.     # Canvas (canvas callbacks)

  1757. 

  1758.     @pyqtSlot()

  1759.     def slot_canvasSelectionChanged(self):

  1760.         self.updateMiniCanvasLater()

  1761. 

  1762.     @pyqtSlot(float)

  1763.     def slot_canvasScaleChanged(self, scale):

  1764.         self.ui.miniCanvasPreview.setViewScale(scale)

  1765. 

  1766.     @pyqtSlot(list)

  1767.     def slot_canvasPluginSelected(self, pluginList):

  1768.         self.ui.keyboard.allNotesOff(False)

  1769.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1770.         self.fSelectedPlugins = pluginList

  1771. 

  1772.     # --------------------------------------------------------------------------------------------------------

  1773.     # Canvas (host callbacks)

  1774. 

  1775.     @pyqtSlot(int, int, int, str)

  1776.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1777.         pcSplit = patchcanvas.SPLIT_UNDEF

  1778.         pcIcon  = patchcanvas.ICON_APPLICATION

  1779. 

  1780.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1781.             pcIcon = patchcanvas.ICON_PLUGIN

  1782.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1783.             pcIcon = patchcanvas.ICON_HARDWARE

  1784.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1785.             pass

  1786.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1787.             pcIcon = patchcanvas.ICON_DISTRHO

  1788.         elif clientIcon == PATCHBAY_ICON_FILE:

  1789.             pcIcon = patchcanvas.ICON_FILE

  1790. 

  1791.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1792. 

  1793.         self.updateMiniCanvasLater()

  1794. 

  1795.         if pluginId < 0:

  1796.             return

  1797.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1798.             print("Error mapping plugin to canvas client:", clientName)

  1799.             return

  1800. 

  1801.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1802.             hasCustomUI = False

  1803.             hasInlineDisplay = False

  1804.         else:

  1805.             hints = self.host.get_plugin_info(pluginId)['hints']

  1806.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1807.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1808. 

  1809.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1810. 

  1811.     @pyqtSlot(int)

  1812.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1813.         patchcanvas.removeGroup(clientId)

  1814.         self.updateMiniCanvasLater()

  1815. 

  1816.     @pyqtSlot(int, str)

  1817.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1818.         patchcanvas.renameGroup(clientId, newClientName)

  1819.         self.updateMiniCanvasLater()

  1820. 

  1821.     @pyqtSlot(int, int, int)

  1822.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1823.         pcIcon = patchcanvas.ICON_APPLICATION

  1824. 

  1825.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1826.             pcIcon = patchcanvas.ICON_PLUGIN

  1827.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1828.             pcIcon = patchcanvas.ICON_HARDWARE

  1829.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1830.             pass

  1831.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1832.             pcIcon = patchcanvas.ICON_DISTRHO

  1833.         elif clientIcon == PATCHBAY_ICON_FILE:

  1834.             pcIcon = patchcanvas.ICON_FILE

  1835. 

  1836.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1837.         self.updateMiniCanvasLater()

  1838. 

  1839.         if pluginId < 0:

  1840.             return

  1841.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1842.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1843.             return

  1844. 

  1845.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1846.             hasCustomUI = False

  1847.             hasInlineDisplay = False

  1848.         else:

  1849.             hints = self.host.get_plugin_info(pluginId)['hints']

  1850.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1851.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1852. 

  1853.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1854. 

  1855.     @pyqtSlot(int, int, int, int, int)

  1856.     def slot_handlePatchbayClientPositionChangedCallback(self, clientId, x1, y1, x2, y2):

  1857.         if (x1 != 0 and x2 != 0) or (y1 != 0 and y2 != 0):

  1858.             patchcanvas.splitGroup(clientId)

  1859.         else:

  1860.             patchcanvas.joinGroup(clientId)

  1861.         patchcanvas.setGroupPosFull(clientId, x1, y1, x2, y2)

  1862.         self.updateMiniCanvasLater()

  1863. 

  1864.     @pyqtSlot(int, int, int, int, str)

  1865.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portGroupId, portName):

  1866.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1867.             portMode = patchcanvas.PORT_MODE_INPUT

  1868.         else:

  1869.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1870. 

  1871.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1872.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1873.             isAlternate = False

  1874.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1875.             portType    = patchcanvas.PORT_TYPE_PARAMETER

  1876.             isAlternate = False

  1877.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1878.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1879.             isAlternate = False

  1880.         else:

  1881.             portType    = patchcanvas.PORT_TYPE_NULL

  1882.             isAlternate = False

  1883. 

  1884.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1885.         self.updateMiniCanvasLater()

  1886. 

  1887.     @pyqtSlot(int, int)

  1888.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  1889.         patchcanvas.removePort(groupId, portId)

  1890.         self.updateMiniCanvasLater()

  1891. 

  1892.     @pyqtSlot(int, int, int, int, str)

  1893.     def slot_handlePatchbayPortChangedCallback(self, groupId, portId, portFlags, portGroupId, newPortName):

  1894.         patchcanvas.renamePort(groupId, portId, newPortName)

  1895.         self.updateMiniCanvasLater()

  1896. 

  1897.     @pyqtSlot(int, int, int, str)

  1898.     def slot_handlePatchbayPortGroupAddedCallback(self, groupId, portId, portGroupId, newPortName):

  1899.         # TODO

  1900.         pass

  1901. 

  1902.     @pyqtSlot(int, int)

  1903.     def slot_handlePatchbayPortGroupRemovedCallback(self, groupId, portId):

  1904.         # TODO

  1905.         pass

  1906. 

  1907.     @pyqtSlot(int, int, int, str)

  1908.     def slot_handlePatchbayPortGroupChangedCallback(self, groupId, portId, portGroupId, newPortName):

  1909.         # TODO

  1910.         pass

  1911. 

  1912.     @pyqtSlot(int, int, int, int, int)

  1913.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1914.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1915.         self.updateMiniCanvasLater()

  1916. 

  1917.     @pyqtSlot(int, int, int)

  1918.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1919.         patchcanvas.disconnectPorts(connectionId)

  1920.         self.updateMiniCanvasLater()

  1921. 

  1922.     # --------------------------------------------------------------------------------------------------------

  1923.     # Settings

  1924. 

  1925.     def saveSettings(self):

  1926.         settings = QSafeSettings()

  1927. 

  1928.         settings.setValue("Geometry", self.saveGeometry())

  1929.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  1930.         settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  1931. 

  1932.         diskFolders = []

  1933. 

  1934.         for i in range(self.ui.cb_disk.count()):

  1935.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1936. 

  1937.         settings.setValue("DiskFolders", diskFolders)

  1938.         settings.setValue("LastBPM", self.fLastTransportBPM)

  1939. 

  1940.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1941.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1942.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1943.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1944. 

  1945.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_MODE,  self.host.transportMode)

  1946.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, self.host.transportExtra)

  1947. 

  1948.         return settings

  1949. 

  1950.     def loadSettings(self, firstTime):

  1951.         settings = QSafeSettings()

  1952. 

  1953.         if firstTime:

  1954.             geometry = settings.value("Geometry", QByteArray(), QByteArray)

  1955.             if not geometry.isNull():

  1956.                 self.restoreGeometry(geometry)

  1957. 

  1958.             showToolbar = settings.value("ShowToolbar", True, bool)

  1959.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1960.             self.ui.toolBar.blockSignals(True)

  1961.             self.ui.toolBar.setEnabled(showToolbar)

  1962.             self.ui.toolBar.setVisible(showToolbar)

  1963.             self.ui.toolBar.blockSignals(False)

  1964. 

  1965.             #if settings.contains("SplitterState"):

  1966.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  1967.             #else:

  1968.                 #self.ui.splitter.setSizes([210, 99999])

  1969. 

  1970.             showSidePanel = settings.value("ShowSidePanel", True, bool)

  1971.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  1972.             self.slot_showSidePanel(showSidePanel)

  1973. 

  1974.             diskFolders = settings.value("DiskFolders", [HOME], list)

  1975. 

  1976.             self.ui.cb_disk.setItemData(0, HOME)

  1977. 

  1978.             for i in range(len(diskFolders)):

  1979.                 if i == 0: continue

  1980.                 folder = diskFolders[i]

  1981.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1982. 

  1983.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, bool):

  1984.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1985. 

  1986.             showMeters = settings.value("ShowMeters", True, bool)

  1987.             self.ui.act_settings_show_meters.setChecked(showMeters)

  1988.             self.ui.peak_in.setVisible(showMeters)

  1989.             self.ui.peak_out.setVisible(showMeters)

  1990. 

  1991.             showKeyboard = settings.value("ShowKeyboard", True, bool)

  1992.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  1993.             self.ui.scrollArea.setVisible(showKeyboard)

  1994. 

  1995.             settingsDBf = QSafeSettings("falkTX", "CarlaDatabase2")

  1996.             self.fFavoritePlugins = settingsDBf.value("PluginDatabase/Favorites", [], list)

  1997. 

  1998.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  1999. 

  2000.         # TODO - complete this

  2001.         oldSettings = self.fSavedSettings

  2002. 

  2003.         self.fSavedSettings = {

  2004.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      str),

  2005.             CARLA_KEY_MAIN_CONFIRM_EXIT:        settings.value(CARLA_KEY_MAIN_CONFIRM_EXIT,        CARLA_DEFAULT_MAIN_CONFIRM_EXIT,        bool),

  2006.             CARLA_KEY_MAIN_CLASSIC_SKIN:        settings.value(CARLA_KEY_MAIN_CLASSIC_SKIN,        CARLA_DEFAULT_MAIN_CLASSIC_SKIN,        bool),

  2007.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    int),

  2008.             CARLA_KEY_MAIN_SYSTEM_ICONS:        settings.value(CARLA_KEY_MAIN_SYSTEM_ICONS,        CARLA_DEFAULT_MAIN_SYSTEM_ICONS,        bool),

  2009.             CARLA_KEY_MAIN_EXPERIMENTAL:        settings.value(CARLA_KEY_MAIN_EXPERIMENTAL,        CARLA_DEFAULT_MAIN_EXPERIMENTAL,        bool),

  2010.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             str),

  2011.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              str),

  2012.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  bool),

  2013.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, bool),

  2014.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  bool),

  2015.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         bool),

  2016.             CARLA_KEY_CANVAS_FANCY_EYE_CANDY:   settings.value(CARLA_KEY_CANVAS_FANCY_EYE_CANDY,   CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY,   bool),

  2017.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        bool),

  2018.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      int),

  2019.             CARLA_KEY_CANVAS_HQ_ANTIALIASING:   settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   bool),

  2020.             CARLA_KEY_CANVAS_FULL_REPAINTS:     settings.value(CARLA_KEY_CANVAS_FULL_REPAINTS,     CARLA_DEFAULT_CANVAS_FULL_REPAINTS,     bool),

  2021.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   bool) and

  2022.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", str).lower() == "black"),

  2023.         }

  2024. 

  2025.         if not self.host.isControl:

  2026.             self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS] = settings.value(CARLA_KEY_CANVAS_INLINE_DISPLAYS, CARLA_DEFAULT_CANVAS_INLINE_DISPLAYS, bool)

  2027.         else:

  2028.             self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS] = False

  2029. 

  2030.         settings2 = QSafeSettings("falkTX", "Carla2")

  2031. 

  2032.         if self.host.experimental:

  2033.             visible = settings2.value(CARLA_KEY_EXPERIMENTAL_JACK_APPS, CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS, bool)

  2034.             self.ui.act_plugin_add_jack.setVisible(visible)

  2035.         else:

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

  2037. 

  2038.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY] else 0

  2039. 

  2040.         setEngineSettings(self.host)

  2041.         self.restartTimersIfNeeded()

  2042. 

  2043.         if oldSettings.get(CARLA_KEY_MAIN_CLASSIC_SKIN, None) not in (self.fSavedSettings[CARLA_KEY_MAIN_CLASSIC_SKIN], None):

  2044.             newSkin = "classic" if self.fSavedSettings[CARLA_KEY_MAIN_CLASSIC_SKIN] else None

  2045. 

  2046.             for pitem in self.fPluginList:

  2047.                 if pitem is None:

  2048.                     continue

  2049.                 pitem.recreateWidget(newSkin = newSkin)

  2050. 

  2051.         return settings

  2052. 

  2053.     # --------------------------------------------------------------------------------------------------------

  2054.     # Settings (helpers)

  2055. 

  2056.     def enableTransport(self, enabled):

  2057.         self.ui.group_transport_controls.setEnabled(enabled)

  2058.         self.ui.group_transport_settings.setEnabled(enabled)

  2059. 

  2060.     @pyqtSlot()

  2061.     def slot_restoreCanvasScrollbarValues(self):

  2062.         settings = QSafeSettings()

  2063.         horiz = settings.value("HorizontalScrollBarValue", int(self.ui.graphicsView.horizontalScrollBar().maximum()/2), int)

  2064.         vertc = settings.value("VerticalScrollBarValue", int(self.ui.graphicsView.verticalScrollBar().maximum()/2), int)

  2065.         self.ui.graphicsView.horizontalScrollBar().setValue(horiz)

  2066.         self.ui.graphicsView.verticalScrollBar().setValue(vertc)

  2067. 

  2068.     # --------------------------------------------------------------------------------------------------------

  2069.     # Settings (menu actions)

  2070. 

  2071.     @pyqtSlot(bool)

  2072.     def slot_showSidePanel(self, yesNo):

  2073.         self.ui.dockWidget.setEnabled(yesNo)

  2074.         self.ui.dockWidget.setVisible(yesNo)

  2075. 

  2076.     @pyqtSlot(bool)

  2077.     def slot_showToolbar(self, yesNo):

  2078.         self.ui.toolBar.blockSignals(True)

  2079.         self.ui.toolBar.setEnabled(yesNo)

  2080.         self.ui.toolBar.setVisible(yesNo)

  2081.         self.ui.toolBar.blockSignals(False)

  2082. 

  2083.     @pyqtSlot(bool)

  2084.     def slot_showCanvasMeters(self, yesNo):

  2085.         self.ui.peak_in.setVisible(yesNo)

  2086.         self.ui.peak_out.setVisible(yesNo)

  2087.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  2088. 

  2089.     @pyqtSlot(bool)

  2090.     def slot_showCanvasKeyboard(self, yesNo):

  2091.         self.ui.scrollArea.setVisible(yesNo)

  2092.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  2093. 

  2094.     @pyqtSlot()

  2095.     def slot_configureCarla(self):

  2096.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  2097.         if not dialog.exec_():

  2098.             return

  2099. 

  2100.         self.loadSettings(False)

  2101. 

  2102.         if self.fWithCanvas:

  2103.             patchcanvas.clear()

  2104.             self.setupCanvas()

  2105.             self.slot_miniCanvasCheckAll()

  2106. 

  2107.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  2108.             pass

  2109.         elif self.host.is_engine_running():

  2110.             self.host.patchbay_refresh(self.fExternalPatchbay)

  2111. 

  2112.     # --------------------------------------------------------------------------------------------------------

  2113.     # About (menu actions)

  2114. 

  2115.     @pyqtSlot()

  2116.     def slot_aboutCarla(self):

  2117.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  2118. 

  2119.     @pyqtSlot()

  2120.     def slot_aboutJuce(self):

  2121.         gCarla.felib.createAndExecAboutJuceDialog(self.fParentOrSelf)

  2122. 

  2123.     @pyqtSlot()

  2124.     def slot_aboutQt(self):

  2125.         QApplication.instance().aboutQt()

  2126. 

  2127.     # --------------------------------------------------------------------------------------------------------

  2128.     # Disk (menu actions)

  2129. 

  2130.     @pyqtSlot(int)

  2131.     def slot_diskFolderChanged(self, index):

  2132.         if index < 0:

  2133.             return

  2134.         elif index == 0:

  2135.             filename = HOME

  2136.             self.ui.b_disk_remove.setEnabled(False)

  2137.         else:

  2138.             filename = self.ui.cb_disk.itemData(index)

  2139.             self.ui.b_disk_remove.setEnabled(True)

  2140. 

  2141.         self.fDirModel.setRootPath(filename)

  2142.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  2143. 

  2144.     @pyqtSlot()

  2145.     def slot_diskFolderAdd(self):

  2146.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  2147. 

  2148.         if newPath:

  2149.             if newPath[-1] == os.sep:

  2150.                 newPath = newPath[:-1]

  2151.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  2152.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  2153.             self.ui.b_disk_remove.setEnabled(True)

  2154. 

  2155.     @pyqtSlot()

  2156.     def slot_diskFolderRemove(self):

  2157.         index = self.ui.cb_disk.currentIndex()

  2158. 

  2159.         if index <= 0:

  2160.             return

  2161. 

  2162.         self.ui.cb_disk.removeItem(index)

  2163. 

  2164.         if self.ui.cb_disk.currentIndex() == 0:

  2165.             self.ui.b_disk_remove.setEnabled(False)

  2166. 

  2167.     @pyqtSlot(QModelIndex)

  2168.     def slot_fileTreeDoubleClicked(self, modelIndex):

  2169.         filename = self.fDirModel.filePath(modelIndex)

  2170. 

  2171.         if not self.ui.listWidget.isDragUrlValid(filename):

  2172.             return

  2173. 

  2174.         if not self.host.load_file(filename):

  2175.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  2176.                              self.tr("Failed to load file"),

  2177.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2178.             return

  2179. 

  2180.         if filename.endswith(".carxp"):

  2181.             self.loadExternalCanvasGroupPositionsIfNeeded(filename)

  2182. 

  2183.     # --------------------------------------------------------------------------------------------------------

  2184.     # Transport

  2185. 

  2186.     def refreshTransport(self, forced = False):

  2187.         if not self.ui.l_transport_time.isVisible():

  2188.             return

  2189.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  2190.             return

  2191. 

  2192.         timeInfo = self.host.get_transport_info()

  2193.         playing  = timeInfo['playing']

  2194.         frame    = timeInfo['frame']

  2195.         bpm      = timeInfo['bpm']

  2196. 

  2197.         if playing != self.fLastTransportState or forced:

  2198.             if playing:

  2199.                 if self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS]:

  2200.                     icon = getIcon('media-playback-pause', 16, 'svgz')

  2201.                 else:

  2202.                     icon = QIcon(":/16x16/media-playback-pause.svgz")

  2203.                 self.ui.b_transport_play.setChecked(True)

  2204.                 self.ui.b_transport_play.setIcon(icon)

  2205.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  2206.             else:

  2207.                 if self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS]:

  2208.                     icon = getIcon('media-playback-start', 16, 'svgz')

  2209.                 else:

  2210.                     icon = QIcon(":/16x16/media-playback-start.svgz")

  2211.                 self.ui.b_transport_play.setChecked(False)

  2212.                 self.ui.b_transport_play.setIcon(icon)

  2213.                 #self.ui.b_play.setText(self.tr("&Play"))

  2214. 

  2215.             self.fLastTransportState = playing

  2216. 

  2217.         if frame != self.fLastTransportFrame or forced:

  2218.             self.fLastTransportFrame = frame

  2219. 

  2220.             time = frame / self.fSampleRate

  2221.             secs =  time % 60

  2222.             mins = (time / 60) % 60

  2223.             hrs  = (time / 3600) % 60

  2224.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  2225. 

  2226.             frame1 =  frame % 1000

  2227.             frame2 = (frame / 1000) % 1000

  2228.             frame3 = (frame / 1000000) % 1000

  2229.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  2230. 

  2231.             bar  = timeInfo['bar']

  2232.             beat = timeInfo['beat']

  2233.             tick = timeInfo['tick']

  2234.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  2235. 

  2236.         if bpm != self.fLastTransportBPM or forced:

  2237.             self.fLastTransportBPM = bpm

  2238. 

  2239.             if bpm > 0.0:

  2240.                 self.ui.dsb_transport_bpm.blockSignals(True)

  2241.                 self.ui.dsb_transport_bpm.setValue(bpm)

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

  2243.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  2244.             else:

  2245.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  2246. 

  2247.     # --------------------------------------------------------------------------------------------------------

  2248.     # Transport (menu actions)

  2249. 

  2250.     @pyqtSlot(bool)

  2251.     def slot_transportPlayPause(self, toggled):

  2252.         if self.host.isPlugin or not self.host.is_engine_running():

  2253.             return

  2254. 

  2255.         if toggled:

  2256.             self.host.transport_play()

  2257.         else:

  2258.             self.host.transport_pause()

  2259. 

  2260.         self.refreshTransport()

  2261. 

  2262.     @pyqtSlot()

  2263.     def slot_transportStop(self):

  2264.         if self.host.isPlugin or not self.host.is_engine_running():

  2265.             return

  2266. 

  2267.         self.host.transport_pause()

  2268.         self.host.transport_relocate(0)

  2269. 

  2270.         self.refreshTransport()

  2271. 

  2272.     @pyqtSlot()

  2273.     def slot_transportBackwards(self):

  2274.         if self.host.isPlugin or not self.host.is_engine_running():

  2275.             return

  2276. 

  2277.         newFrame = self.host.get_current_transport_frame() - 100000

  2278. 

  2279.         if newFrame < 0:

  2280.             newFrame = 0

  2281. 

  2282.         self.host.transport_relocate(newFrame)

  2283. 

  2284.     @pyqtSlot(float)

  2285.     def slot_transportBpmChanged(self, newValue):

  2286.         self.host.transport_bpm(newValue)

  2287. 

  2288.     @pyqtSlot()

  2289.     def slot_transportForwards(self):

  2290.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  2291.             return

  2292. 

  2293.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  2294.         self.host.transport_relocate(newFrame)

  2295. 

  2296.     @pyqtSlot(bool)

  2297.     def slot_transportJackEnabled(self, clicked):

  2298.         if not self.host.is_engine_running():

  2299.             return

  2300.         self.host.transportMode = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  2301.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  2302.                                     self.host.transportMode,

  2303.                                     self.host.transportExtra)

  2304. 

  2305.     @pyqtSlot(bool)

  2306.     def slot_transportLinkEnabled(self, clicked):

  2307.         if not self.host.is_engine_running():

  2308.             return

  2309.         extra = ":link:" if clicked else ""

  2310.         self.host.transportExtra = extra

  2311.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  2312.                                     self.host.transportMode,

  2313.                                     self.host.transportExtra)

  2314. 

  2315.     # --------------------------------------------------------------------------------------------------------

  2316.     # Other

  2317. 

  2318.     @pyqtSlot(bool)

  2319.     def slot_xrunClear(self):

  2320.         self.host.clear_engine_xruns()

  2321. 

  2322.     # --------------------------------------------------------------------------------------------------------

  2323.     # Canvas scrollbars

  2324. 

  2325.     @pyqtSlot(int)

  2326.     def slot_horizontalScrollBarChanged(self, value):

  2327.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  2328.         if maximum == 0:

  2329.             xp = 0

  2330.         else:

  2331.             xp = float(value) / maximum

  2332.         self.ui.miniCanvasPreview.setViewPosX(xp)

  2333.         self.updateCanvasInitialPos()

  2334. 

  2335.     @pyqtSlot(int)

  2336.     def slot_verticalScrollBarChanged(self, value):

  2337.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  2338.         if maximum == 0:

  2339.             yp = 0

  2340.         else:

  2341.             yp = float(value) / maximum

  2342.         self.ui.miniCanvasPreview.setViewPosY(yp)

  2343.         self.updateCanvasInitialPos()

  2344. 

  2345.     # --------------------------------------------------------------------------------------------------------

  2346.     # Canvas keyboard

  2347. 

  2348.     @pyqtSlot(int)

  2349.     def slot_noteOn(self, note):

  2350.         if self.fPluginCount == 0:

  2351.             return

  2352. 

  2353.         for pluginId in self.fSelectedPlugins:

  2354.             self.host.send_midi_note(pluginId, 0, note, 100)

  2355. 

  2356.             pedit = self.getPluginEditDialog(pluginId)

  2357.             pedit.noteOn(0, note, 100)

  2358. 

  2359.     @pyqtSlot(int)

  2360.     def slot_noteOff(self, note):

  2361.         if self.fPluginCount == 0:

  2362.             return

  2363. 

  2364.         for pluginId in self.fSelectedPlugins:

  2365.             self.host.send_midi_note(pluginId, 0, note, 0)

  2366. 

  2367.             pedit = self.getPluginEditDialog(pluginId)

  2368.             pedit.noteOff(0, note)

  2369. 

  2370.     # --------------------------------------------------------------------------------------------------------

  2371.     # Canvas keyboard (host callbacks)

  2372. 

  2373.     @pyqtSlot(int, int, int, int)

  2374.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  2375.         if pluginId in self.fSelectedPlugins:

  2376.             self.ui.keyboard.sendNoteOn(note, False)

  2377. 

  2378.     @pyqtSlot(int, int, int)

  2379.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  2380.         if pluginId in self.fSelectedPlugins:

  2381.             self.ui.keyboard.sendNoteOff(note, False)

  2382. 

  2383.     # --------------------------------------------------------------------------------------------------------

  2384. 

  2385.     @pyqtSlot(int)

  2386.     def slot_handleUpdateCallback(self, pluginId):

  2387.         pitem = self.getPluginItem(pluginId)

  2388. 

  2389.         if pitem is None:

  2390.             return

  2391. 

  2392.         wasCompacted = pitem.isCompacted()

  2393.         isCompacted  = wasCompacted

  2394. 

  2395.         check = self.host.get_custom_data_value(pluginId, CUSTOM_DATA_TYPE_PROPERTY, "CarlaSkinIsCompacted")

  2396.         if not check:

  2397.             return

  2398.         isCompacted = bool(check == "true")

  2399. 

  2400.         if wasCompacted == isCompacted:

  2401.             return

  2402. 

  2403.         pitem.recreateWidget(True)

  2404. 

  2405.     # --------------------------------------------------------------------------------------------------------

  2406.     # MiniCanvas stuff

  2407. 

  2408.     @pyqtSlot()

  2409.     def slot_miniCanvasCheckAll(self):

  2410.         self.slot_miniCanvasCheckSize()

  2411.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  2412.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  2413. 

  2414.     @pyqtSlot()

  2415.     def slot_miniCanvasCheckSize(self):

  2416.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  2417.             return

  2418. 

  2419.         currentIndex = self.ui.tabWidget.currentIndex()

  2420. 

  2421.         if currentIndex == 1:

  2422.             width  = self.ui.graphicsView.width()

  2423.             height = self.ui.graphicsView.height()

  2424.         else:

  2425.             self.ui.tabWidget.blockSignals(True)

  2426.             self.ui.tabWidget.setCurrentIndex(1)

  2427.             width  = self.ui.graphicsView.width()

  2428.             height = self.ui.graphicsView.height()

  2429.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  2430.             self.ui.tabWidget.blockSignals(False)

  2431. 

  2432.         self.scene.updateLimits()

  2433. 

  2434.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  2435. 

  2436.     @pyqtSlot(float, float)

  2437.     def slot_miniCanvasMoved(self, xp, yp):

  2438.         hsb = self.ui.graphicsView.horizontalScrollBar()

  2439.         vsb = self.ui.graphicsView.verticalScrollBar()

  2440.         hsb.setValue(xp * hsb.maximum())

  2441.         vsb.setValue(yp * vsb.maximum())

  2442.         self.updateCanvasInitialPos()

  2443. 

  2444.     # --------------------------------------------------------------------------------------------------------

  2445.     # Logs autoscroll, save and clear

  2446. 

  2447.     @pyqtSlot(int)

  2448.     def slot_toggleLogAutoscroll(self, checkState):

  2449.         self.autoscrollOnNewLog = checkState == Qt.Checked

  2450.         if self.autoscrollOnNewLog:

  2451.             self.ui.text_logs.verticalScrollBar().setValue(self.ui.text_logs.verticalScrollBar().maximum())

  2452. 

  2453.     @pyqtSlot(int)

  2454.     def slot_logSliderMoved(self, slider_pos):

  2455.         if self.ui.text_logs.verticalScrollBar().hasTracking() or self.autoscrollOnNewLog:

  2456.             self.lastLogSliderPos = slider_pos

  2457.         else:

  2458.             self.ui.text_logs.verticalScrollBar().setValue(self.lastLogSliderPos)

  2459. 

  2460.     @pyqtSlot()

  2461.     def slot_logButtonsState(self, enabled=True):

  2462.         self.ui.logs_clear.setEnabled(enabled)

  2463.         self.ui.logs_save.setEnabled(enabled)

  2464. 

  2465.     @pyqtSlot()

  2466.     def slot_logSave(self):

  2467.         filename = os.path.join(self.fSavedSettings[CARLA_KEY_MAIN_PROJECT_FOLDER], 'carla_log.txt')

  2468.         filename, _ = QFileDialog.getSaveFileName(self, self.tr("Save Logs"), filename)

  2469. 

  2470.         if not filename:

  2471.             return

  2472. 

  2473.         try:

  2474.             with open(filename, "w") as logfile:

  2475.                 logfile.write(self.ui.text_logs.toPlainText())

  2476.                 logfile.close()

  2477.         except:

  2478.             return

  2479. 

  2480.     @pyqtSlot()

  2481.     def slot_logClear(self):

  2482.         self.ui.text_logs.clear()

  2483.         self.ui.text_logs.appendPlainText("======= Logs cleared ========")

  2484.         self.slot_logButtonsState(False)

  2485. 

  2486.     # --------------------------------------------------------------------------------------------------------

  2487.     # Timers

  2488. 

  2489.     def startTimers(self):

  2490.         if self.fIdleTimerFast == 0:

  2491.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2492. 

  2493.         if self.fIdleTimerSlow == 0:

  2494.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2495. 

  2496.     def restartTimersIfNeeded(self):

  2497.         if self.fIdleTimerFast != 0:

  2498.             self.killTimer(self.fIdleTimerFast)

  2499.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2500. 

  2501.         if self.fIdleTimerSlow != 0:

  2502.             self.killTimer(self.fIdleTimerSlow)

  2503.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2504. 

  2505.     def killTimers(self):

  2506.         if self.fIdleTimerFast != 0:

  2507.             self.killTimer(self.fIdleTimerFast)

  2508.             self.fIdleTimerFast = 0

  2509. 

  2510.         if self.fIdleTimerSlow != 0:

  2511.             self.killTimer(self.fIdleTimerSlow)

  2512.             self.fIdleTimerSlow = 0

  2513. 

  2514.     # --------------------------------------------------------------------------------------------------------

  2515.     # Misc

  2516. 

  2517.     @pyqtSlot(bool)

  2518.     def slot_toolbarVisibilityChanged(self, visible):

  2519.         self.ui.toolBar.blockSignals(True)

  2520.         self.ui.toolBar.setEnabled(visible)

  2521.         self.ui.toolBar.blockSignals(False)

  2522.         self.ui.act_settings_show_toolbar.setChecked(visible)

  2523. 

  2524.     @pyqtSlot(int)

  2525.     def slot_tabChanged(self, index):

  2526.         if index != 1:

  2527.             return

  2528. 

  2529.         self.ui.graphicsView.setFocus()

  2530. 

  2531.     @pyqtSlot(int)

  2532.     def slot_handleReloadAllCallback(self, pluginId):

  2533.         if pluginId >= self.fPluginCount:

  2534.             return

  2535. 

  2536.         pitem = self.fPluginList[pluginId]

  2537.         if pitem is None:

  2538.             return

  2539. 

  2540.         pitem.recreateWidget()

  2541. 

  2542.     # --------------------------------------------------------------------------------------------------------

  2543. 

  2544.     @pyqtSlot(int, int, str)

  2545.     def slot_handleNSMCallback(self, opcode, valueInt, valueStr):

  2546.         if opcode == NSM_CALLBACK_INIT:

  2547.             return

  2548. 

  2549.         # Error

  2550.         elif opcode == NSM_CALLBACK_ERROR:

  2551.             pass

  2552. 

  2553.         # Reply

  2554.         elif opcode == NSM_CALLBACK_ANNOUNCE:

  2555.             self.fFirstEngineInit    = False

  2556.             self.fSessionManagerName = valueStr

  2557.             self.setProperWindowTitle()

  2558. 

  2559.             # If NSM server does not support optional-gui, revert our initial assumptions that it does

  2560.             if (valueInt & (1 << 1)) == 0x0:

  2561.                 self.fWindowCloseHideGui = False

  2562.                 self.ui.act_file_quit.setText(self.tr("&Quit"))

  2563.                 QApplication.instance().setQuitOnLastWindowClosed(True)

  2564.                 self.show()

  2565. 

  2566.         # Open

  2567.         elif opcode == NSM_CALLBACK_OPEN:

  2568.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  2569.             self.setProperWindowTitle()

  2570. 

  2571.             self.fCustomStopAction = self.CUSTOM_ACTION_PROJECT_LOAD

  2572.             self.slot_engineStop(True)

  2573.             return

  2574. 

  2575.         # Save

  2576.         elif opcode == NSM_CALLBACK_SAVE:

  2577.             self.saveProjectNow()

  2578. 

  2579.         # Session is Loaded

  2580.         elif opcode == NSM_CALLBACK_SESSION_IS_LOADED:

  2581.             pass

  2582. 

  2583.         # Show Optional Gui

  2584.         elif opcode == NSM_CALLBACK_SHOW_OPTIONAL_GUI:

  2585.             self.show()

  2586. 

  2587.         # Hide Optional Gui

  2588.         elif opcode == NSM_CALLBACK_HIDE_OPTIONAL_GUI:

  2589.             self.hideForNSM()

  2590. 

  2591.         # Set client name

  2592.         elif opcode == NSM_CALLBACK_SET_CLIENT_NAME_ID:

  2593.             self.fClientName = valueStr

  2594.             return

  2595. 

  2596.         self.host.nsm_ready(opcode)

  2597. 

  2598.     # --------------------------------------------------------------------------------------------------------

  2599. 

  2600.     def fixLogText(self, text):

  2601.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  2602. 

  2603.     @pyqtSlot(int, int, int, int, float, str)

  2604.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valuef, valueStr):

  2605.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  2606. 

  2607.     @pyqtSlot(str)

  2608.     def slot_handleInfoCallback(self, info):

  2609.         QMessageBox.information(self, "Information", info)

  2610. 

  2611.     @pyqtSlot(str)

  2612.     def slot_handleErrorCallback(self, error):

  2613.         QMessageBox.critical(self, "Error", error)

  2614. 

  2615.     @pyqtSlot()

  2616.     def slot_handleQuitCallback(self):

  2617.         self.fIsProjectLoading = False

  2618.         self.killTimers()

  2619.         self.removeAllPlugins()

  2620.         self.projectLoadingFinished(False)

  2621. 

  2622.     @pyqtSlot(int)

  2623.     def slot_handleInlineDisplayRedrawCallback(self, pluginId):

  2624.         # FIXME

  2625.         if self.fIdleTimerSlow != 0 and self.fIdleTimerFast != 0 and pluginId < self.fPluginCount and not self.fIsProjectLoading:

  2626.             patchcanvas.redrawPluginGroup(pluginId)

  2627. 

  2628.     # --------------------------------------------------------------------------------------------------------

  2629. 

  2630.     @pyqtSlot()

  2631.     def slot_handleSIGUSR1(self):

  2632.         print("Got SIGUSR1 -> Saving project now")

  2633.         self.slot_fileSave()

  2634. 

  2635.     @pyqtSlot()

  2636.     def slot_handleSIGTERM(self):

  2637.         print("Got SIGTERM -> Closing now")

  2638.         self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2639.         self.close()

  2640. 

  2641.     # --------------------------------------------------------------------------------------------------------

  2642.     # Internal stuff

  2643. 

  2644.     def getExtraPtr(self, plugin):

  2645.         ptype = plugin['type']

  2646. 

  2647.         if ptype == PLUGIN_LADSPA:

  2648.             uniqueId = plugin['uniqueId']

  2649. 

  2650.             self.maybeLoadRDFs()

  2651. 

  2652.             for rdfItem in self.fLadspaRdfList:

  2653.                 if rdfItem.UniqueID == uniqueId:

  2654.                     return pointer(rdfItem)

  2655. 

  2656.         elif ptype == PLUGIN_SF2:

  2657.             if plugin['name'].lower().endswith(" (16 outputs)"):

  2658.                 return self._true

  2659. 

  2660.         return None

  2661. 

  2662.     def maybeLoadRDFs(self):

  2663.         if not self.fLadspaRdfNeedsUpdate:

  2664.             return

  2665. 

  2666.         self.fLadspaRdfNeedsUpdate = False

  2667.         self.fLadspaRdfList = []

  2668. 

  2669.         if not haveLRDF:

  2670.             return

  2671. 

  2672.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  2673.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  2674. 

  2675.         if os.path.exists(frLadspaFile):

  2676.             frLadspa = open(frLadspaFile, 'r')

  2677. 

  2678.             try:

  2679.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  2680.             except:

  2681.                 pass

  2682. 

  2683.             frLadspa.close()

  2684. 

  2685.     # --------------------------------------------------------------------------------------------------------

  2686. 

  2687.     def getPluginCount(self):

  2688.         return self.fPluginCount

  2689. 

  2690.     def getPluginItem(self, pluginId):

  2691.         if pluginId >= self.fPluginCount:

  2692.             return None

  2693. 

  2694.         pitem = self.fPluginList[pluginId]

  2695.         if pitem is None:

  2696.             return None

  2697.         #if False:

  2698.             #return CarlaRackItem(self, 0, False)

  2699. 

  2700.         return pitem

  2701. 

  2702.     def getPluginEditDialog(self, pluginId):

  2703.         if pluginId >= self.fPluginCount:

  2704.             return None

  2705. 

  2706.         pitem = self.fPluginList[pluginId]

  2707.         if pitem is None:

  2708.             return None

  2709.         if False:

  2710.             return PluginEdit(self, self.host, 0)

  2711. 

  2712.         return pitem.getEditDialog()

  2713. 

  2714.     def getPluginSlotWidget(self, pluginId):

  2715.         if pluginId >= self.fPluginCount:

  2716.             return None

  2717. 

  2718.         pitem = self.fPluginList[pluginId]

  2719.         if pitem is None:

  2720.             return None

  2721.         #if False:

  2722.             #return AbstractPluginSlot()

  2723. 

  2724.         return pitem.getWidget()

  2725. 

  2726.     # --------------------------------------------------------------------------------------------------------

  2727. 

  2728.     def waitForPendingEvents(self):

  2729.         pass

  2730. 

  2731.     # --------------------------------------------------------------------------------------------------------

  2732.     # show/hide event

  2733. 

  2734.     def showEvent(self, event):

  2735.         self.getAndRefreshRuntimeInfo()

  2736.         self.refreshTransport(True)

  2737.         QMainWindow.showEvent(self, event)

  2738. 

  2739.         if QT_VERSION >= 0x50600:

  2740.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_UI_SCALE, int(self.devicePixelRatioF() * 1000), "")

  2741.             print("Frontend pixel ratio is", self.devicePixelRatioF())

  2742. 

  2743.         # set our gui as parent for all plugins UIs

  2744.         if self.host.manageUIs and not self.host.isControl:

  2745.             if MACOS:

  2746.                 nsViewPtr = int(self.winId())

  2747.                 winIdStr  = "%x" % gCarla.utils.cocoa_get_window(nsViewPtr)

  2748.             else:

  2749.                 winIdStr = "%x" % int(self.winId())

  2750.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2751. 

  2752.     def hideEvent(self, event):

  2753.         # disable parent

  2754.         if not self.host.isControl:

  2755.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2756. 

  2757.         QMainWindow.hideEvent(self, event)

  2758. 

  2759.     # --------------------------------------------------------------------------------------------------------

  2760.     # resize event

  2761. 

  2762.     def resizeEvent(self, event):

  2763.         QMainWindow.resizeEvent(self, event)

  2764. 

  2765.         if self.fWithCanvas:

  2766.             self.slot_miniCanvasCheckSize()

  2767. 

  2768.     # --------------------------------------------------------------------------------------------------------

  2769.     # timer event

  2770. 

  2771.     def refreshRuntimeInfo(self, load, xruns):

  2772.         txt1 = str(xruns) if (xruns >= 0) else "--"

  2773.         txt2 = "" if (xruns == 1) else "s"

  2774.         self.ui.b_xruns.setText("%s Xrun%s" % (txt1, txt2))

  2775.         self.ui.pb_dsp_load.setValue(int(load))

  2776. 

  2777.     def getAndRefreshRuntimeInfo(self):

  2778.         if not self.ui.pb_dsp_load.isVisible():

  2779.             return

  2780.         if not self.host.is_engine_running():

  2781.             return

  2782.         info = self.host.get_runtime_engine_info()

  2783.         self.refreshRuntimeInfo(info['load'], info['xruns'])

  2784. 

  2785.     def idleFast(self):

  2786.         self.host.engine_idle()

  2787.         self.refreshTransport()

  2788. 

  2789.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2790.             return

  2791. 

  2792.         for pitem in self.fPluginList:

  2793.             if pitem is None:

  2794.                 break

  2795. 

  2796.             pitem.getWidget().idleFast()

  2797. 

  2798.         for pluginId in self.fSelectedPlugins:

  2799.             self.fPeaksCleared = False

  2800.             if self.ui.peak_in.isVisible():

  2801.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2802.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2803.             if self.ui.peak_out.isVisible():

  2804.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2805.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2806.             return

  2807. 

  2808.         if self.fPeaksCleared:

  2809.             return

  2810. 

  2811.         self.fPeaksCleared = True

  2812.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2813.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2814.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2815.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2816. 

  2817.     def idleSlow(self):

  2818.         self.getAndRefreshRuntimeInfo()

  2819. 

  2820.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2821.             return

  2822. 

  2823.         for pitem in self.fPluginList:

  2824.             if pitem is None:

  2825.                 break

  2826. 

  2827.             pitem.getWidget().idleSlow()

  2828. 

  2829.     def timerEvent(self, event):

  2830.         if event.timerId() == self.fIdleTimerFast:

  2831.             self.idleFast()

  2832. 

  2833.         elif event.timerId() == self.fIdleTimerSlow:

  2834.             self.idleSlow()

  2835. 

  2836.         QMainWindow.timerEvent(self, event)

  2837. 

  2838.     # --------------------------------------------------------------------------------------------------------

  2839.     # color/style change event

  2840. 

  2841.     def changeEvent(self, event):

  2842.         if event.type() in (QEvent.PaletteChange, QEvent.StyleChange):

  2843.             self.updateStyle()

  2844.         QMainWindow.changeEvent(self, event)

  2845. 

  2846.     def updateStyle(self):

  2847.         # Rack padding images setup

  2848.         rack_imgL = QImage(":/bitmaps/rack_padding_left.png")

  2849.         rack_imgR = QImage(":/bitmaps/rack_padding_right.png")

  2850. 

  2851.         min_value = 0.07

  2852. 

  2853.         if PYQT_VERSION >= 0x50600:

  2854.             value_fix = 1.0/(1.0-rack_imgL.scaled(1, 1, Qt.IgnoreAspectRatio, Qt.SmoothTransformation).pixelColor(0,0).blackF())

  2855.         else:

  2856.             value_fix = 1.5

  2857. 

  2858.         rack_pal = self.ui.rack.palette()

  2859.         bg_color = rack_pal.window().color()

  2860.         fg_color = rack_pal.text().color()

  2861.         bg_value = 1.0 - bg_color.blackF()

  2862.         if bg_value != 0.0 and bg_value < min_value:

  2863.             pad_color = bg_color.lighter(int(100*min_value/bg_value*value_fix))

  2864.         else:

  2865.             pad_color = QColor.fromHsvF(0.0, 0.0, min_value*value_fix)

  2866. 

  2867.         painter = QPainter()

  2868.         fillRect = rack_imgL.rect().adjusted(-1,-1,1,1)

  2869. 

  2870.         painter.begin(rack_imgL)

  2871.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2872.         painter.setBrush(pad_color)

  2873.         painter.drawRect(fillRect)

  2874.         painter.end()

  2875.         rack_pixmapL = QPixmap(rack_imgL)

  2876.         self.imgL_palette = QPalette()

  2877.         self.imgL_palette.setBrush(QPalette.Window, QBrush(rack_pixmapL))

  2878.         self.ui.pad_left.setPalette(self.imgL_palette)

  2879.         self.ui.pad_left.setAutoFillBackground(True)

  2880. 

  2881.         painter.begin(rack_imgR)

  2882.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2883.         painter.setBrush(pad_color)

  2884.         painter.drawRect(fillRect)

  2885.         painter.end()

  2886.         rack_pixmapR = QPixmap(rack_imgR)

  2887.         self.imgR_palette = QPalette()

  2888.         self.imgR_palette.setBrush(QPalette.Window, QBrush(rack_pixmapR))

  2889.         self.ui.pad_right.setPalette(self.imgR_palette)

  2890.         self.ui.pad_right.setAutoFillBackground(True)

  2891. 

  2892.         # qt's rgba is actually argb, so convert that

  2893.         bg_color_value = bg_color.rgba()

  2894.         bg_color_value = ((bg_color_value & 0xffffff) << 8) | (bg_color_value >> 24)

  2895. 

  2896.         fg_color_value = fg_color.rgba()

  2897.         fg_color_value = ((fg_color_value & 0xffffff) << 8) | (fg_color_value >> 24)

  2898. 

  2899.         self.host.set_engine_option(ENGINE_OPTION_FRONTEND_BACKGROUND_COLOR, bg_color_value, "")

  2900.         self.host.set_engine_option(ENGINE_OPTION_FRONTEND_FOREGROUND_COLOR, fg_color_value, "")

  2901. 

  2902.     # --------------------------------------------------------------------------------------------------------

  2903.     # paint event

  2904. 

  2905.     #def paintEvent(self, event):

  2906.         #QMainWindow.paintEvent(self, event)

  2907. 

  2908.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2909.             #return

  2910. 

  2911.         #painter = QPainter(self)

  2912.         #painter.setBrush(QColor(36, 36, 36))

  2913.         #painter.setPen(QColor(62, 62, 62))

  2914.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2915. 

  2916.     # --------------------------------------------------------------------------------------------------------

  2917.     # close event

  2918. 

  2919.     def shouldIgnoreClose(self):

  2920.         if self.host.isControl or self.host.isPlugin:

  2921.             return False

  2922.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  2923.             return False

  2924.         if self.fWindowCloseHideGui:

  2925.             return False

  2926.         if self.fSavedSettings[CARLA_KEY_MAIN_CONFIRM_EXIT]:

  2927.             return QMessageBox.question(self, self.tr("Quit"),

  2928.                                               self.tr("Are you sure you want to quit Carla?"),

  2929.                                               QMessageBox.Yes|QMessageBox.No) == QMessageBox.No

  2930.         return False

  2931. 

  2932.     def closeEvent(self, event):

  2933.         if self.shouldIgnoreClose():

  2934.             event.ignore()

  2935.             return

  2936. 

  2937.         if self.fWindowCloseHideGui and self.fCustomStopAction != self.CUSTOM_ACTION_APP_CLOSE:

  2938.             self.hideForNSM()

  2939.             self.host.nsm_ready(NSM_CALLBACK_HIDE_OPTIONAL_GUI)

  2940.             return

  2941. 

  2942.         patchcanvas.handleAllPluginsRemoved()

  2943. 

  2944.         if MACOS and self.fMacClosingHelper and not (self.host.isControl or self.host.isPlugin):

  2945.             self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2946.             self.fMacClosingHelper = False

  2947.             event.ignore()

  2948. 

  2949.             for i in reversed(range(self.fPluginCount)):

  2950.                 self.host.show_custom_ui(i, False)

  2951. 

  2952.             QTimer.singleShot(100, self.close)

  2953.             return

  2954. 

  2955.         self.killTimers()

  2956.         self.saveSettings()

  2957. 

  2958.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  2959.             if not self.slot_engineStop(True):

  2960.                 self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2961.                 event.ignore()

  2962.                 return

  2963. 

  2964.         QMainWindow.closeEvent(self, event)

  2965. 

  2966.         # if we reach this point, fully close ourselves

  2967.         gCarla.gui = None

  2968.         QApplication.instance().quit()

  2969. 

  2970. # ------------------------------------------------------------------------------------------------

  2971. # Canvas callback

  2972. 

  2973. def canvasCallback(action, value1, value2, valueStr):

  2974.     host = gCarla.gui.host

  2975. 

  2976.     if gCarla.gui.fCustomStopAction == HostWindow.CUSTOM_ACTION_APP_CLOSE:

  2977.         return

  2978. 

  2979.     if action == patchcanvas.ACTION_GROUP_INFO:

  2980.         pass

  2981. 

  2982.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  2983.         pass

  2984. 

  2985.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  2986.         groupId = value1

  2987.         patchcanvas.splitGroup(groupId)

  2988.         gCarla.gui.updateMiniCanvasLater()

  2989. 

  2990.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  2991.         groupId = value1

  2992.         patchcanvas.joinGroup(groupId)

  2993.         gCarla.gui.updateMiniCanvasLater()

  2994. 

  2995.     elif action == patchcanvas.ACTION_GROUP_POSITION:

  2996.         if gCarla.gui.fIsProjectLoading:

  2997.             return

  2998.         if not host.is_engine_running():

  2999.             return

  3000.         groupId = value1

  3001.         x1, y1, x2, y2 = tuple(int(i) for i in valueStr.split(":"))

  3002.         host.patchbay_set_group_pos(gCarla.gui.fExternalPatchbay, groupId, x1, y1, x2, y2)

  3003.         gCarla.gui.updateMiniCanvasLater()

  3004. 

  3005.     elif action == patchcanvas.ACTION_PORT_INFO:

  3006.         pass

  3007. 

  3008.     elif action == patchcanvas.ACTION_PORT_RENAME:

  3009.         pass

  3010. 

  3011.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  3012.         gOut, pOut, gIn, pIn = tuple(int(i) for i in valueStr.split(":"))

  3013. 

  3014.         if not host.patchbay_connect(gCarla.gui.fExternalPatchbay, gOut, pOut, gIn, pIn):

  3015.             print("Connection failed:", host.get_last_error())

  3016. 

  3017.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  3018.         connectionId = value1

  3019. 

  3020.         if not host.patchbay_disconnect(gCarla.gui.fExternalPatchbay, connectionId):

  3021.             print("Disconnect failed:", host.get_last_error())

  3022. 

  3023.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  3024.         pluginId = value1

  3025. 

  3026.         if not host.clone_plugin(pluginId):

  3027.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  3028.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  3029. 

  3030.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  3031.         pluginId = value1

  3032.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  3033. 

  3034.         if pwidget is not None:

  3035.             pwidget.showEditDialog()

  3036. 

  3037.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  3038.         pluginId = value1

  3039.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  3040. 

  3041.         if pwidget is not None:

  3042.             pwidget.showRenameDialog()

  3043. 

  3044.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  3045.         pluginId = value1

  3046.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  3047. 

  3048.         if pwidget is not None:

  3049.             pwidget.showReplaceDialog()

  3050. 

  3051.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  3052.         pluginId = value1

  3053. 

  3054.         if not host.remove_plugin(pluginId):

  3055.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  3056.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  3057. 

  3058.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  3059.         pluginId = value1

  3060.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  3061. 

  3062.         if pwidget is not None:

  3063.             pwidget.showCustomUI()

  3064. 

  3065.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  3066.         gCarla.gui.slot_showPluginActionsMenu()

  3067. 

  3068.     elif action == patchcanvas.ACTION_INLINE_DISPLAY:

  3069.         if gCarla.gui.fIsProjectLoading:

  3070.             return

  3071.         if not host.is_engine_running():

  3072.             return

  3073.         pluginId = value1

  3074.         width, height = [int(v) for v in valueStr.split(":")]

  3075.         return host.render_inline_display(pluginId, width, height)

  3076. 

  3077. # ------------------------------------------------------------------------------------------------------------

  3078. # Engine callback

  3079. 

  3080. def engineCallback(host, action, pluginId, value1, value2, value3, valuef, valueStr):

  3081.     # kdevelop likes this :)

  3082.     if False: host = CarlaHostNull()

  3083. 

  3084.     valueStr = charPtrToString(valueStr)

  3085. 

  3086.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  3087.         host.processMode   = value1

  3088.         host.transportMode = value2

  3089.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  3090.         host.processMode   = value1

  3091.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  3092.         host.transportMode  = value1

  3093.         host.transportExtra = valueStr

  3094. 

  3095.     if action == ENGINE_CALLBACK_DEBUG:

  3096.         host.DebugCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  3097.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  3098.         host.PluginAddedCallback.emit(pluginId, value1, valueStr)

  3099.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  3100.         host.PluginRemovedCallback.emit(pluginId)

  3101.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  3102.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  3103.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  3104.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  3105.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  3106.         host.ParameterValueChangedCallback.emit(pluginId, value1, valuef)

  3107.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  3108.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, valuef)

  3109.     elif action == ENGINE_CALLBACK_PARAMETER_MAPPED_CONTROL_INDEX_CHANGED:

  3110.         host.ParameterMappedControlIndexChangedCallback.emit(pluginId, value1, value2)

  3111.     elif action == ENGINE_CALLBACK_PARAMETER_MAPPED_RANGE_CHANGED:

  3112.         minimum, maximum = (float(v) for v in valueStr.split(":", 2))

  3113.         host.ParameterMappedRangeChangedCallback.emit(pluginId, value1, minimum, maximum)

  3114.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  3115.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  3116.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  3117.         host.ProgramChangedCallback.emit(pluginId, value1)

  3118.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  3119.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  3120.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  3121.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  3122.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  3123.         host.UiStateChangedCallback.emit(pluginId, value1)

  3124.     elif action == ENGINE_CALLBACK_NOTE_ON:

  3125.         host.NoteOnCallback.emit(pluginId, value1, value2, value3)

  3126.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  3127.         host.NoteOffCallback.emit(pluginId, value1, value2)

  3128.     elif action == ENGINE_CALLBACK_UPDATE:

  3129.         host.UpdateCallback.emit(pluginId)

  3130.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  3131.         host.ReloadInfoCallback.emit(pluginId)

  3132.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  3133.         host.ReloadParametersCallback.emit(pluginId)

  3134.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  3135.         host.ReloadProgramsCallback.emit(pluginId)

  3136.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  3137.         host.ReloadAllCallback.emit(pluginId)

  3138.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  3139.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  3140.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  3141.         host.PatchbayClientRemovedCallback.emit(pluginId)

  3142.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  3143.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  3144.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  3145.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  3146.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_POSITION_CHANGED:

  3147.         host.PatchbayClientPositionChangedCallback.emit(pluginId, value1, value2, value3, int(round(valuef)))

  3148.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  3149.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, value3, valueStr)

  3150.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  3151.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  3152.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_CHANGED:

  3153.         host.PatchbayPortChangedCallback.emit(pluginId, value1, value2, value3, valueStr)

  3154.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_ADDED:

  3155.         host.PatchbayPortGroupAddedCallback.emit(pluginId, value1, value2, valueStr)

  3156.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_REMOVED:

  3157.         host.PatchbayPortGroupRemovedCallback.emit(pluginId, value1)

  3158.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_CHANGED:

  3159.         host.PatchbayPortGroupChangedCallback.emit(pluginId, value1, value2, valueStr)

  3160.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  3161.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  3162.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  3163.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  3164.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  3165.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  3166.         host.EngineStartedCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  3167.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  3168.         host.EngineStoppedCallback.emit()

  3169.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  3170.         host.ProcessModeChangedCallback.emit(value1)

  3171.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  3172.         host.TransportModeChangedCallback.emit(value1, valueStr)

  3173.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  3174.         host.BufferSizeChangedCallback.emit(value1)

  3175.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  3176.         host.SampleRateChangedCallback.emit(valuef)

  3177.     elif action == ENGINE_CALLBACK_CANCELABLE_ACTION:

  3178.         host.CancelableActionCallback.emit(pluginId, bool(value1 != 0), valueStr)

  3179.     elif action == ENGINE_CALLBACK_PROJECT_LOAD_FINISHED:

  3180.         host.ProjectLoadFinishedCallback.emit()

  3181.     elif action == ENGINE_CALLBACK_NSM:

  3182.         host.NSMCallback.emit(value1, value2, valueStr)

  3183.     elif action == ENGINE_CALLBACK_IDLE:

  3184.         QApplication.processEvents()

  3185.     elif action == ENGINE_CALLBACK_INFO:

  3186.         host.InfoCallback.emit(valueStr)

  3187.     elif action == ENGINE_CALLBACK_ERROR:

  3188.         host.ErrorCallback.emit(valueStr)

  3189.     elif action == ENGINE_CALLBACK_QUIT:

  3190.         host.QuitCallback.emit()

  3191.     elif action == ENGINE_CALLBACK_INLINE_DISPLAY_REDRAW:

  3192.         host.InlineDisplayRedrawCallback.emit(pluginId)

  3193.     else:

  3194.         print("unhandled action", action)

  3195. 

  3196. # ------------------------------------------------------------------------------------------------------------

  3197. # File callback

  3198. 

  3199. def fileCallback(ptr, action, isDir, title, filter):

  3200.     title  = charPtrToString(title)

  3201.     filter = charPtrToString(filter)

  3202. 

  3203.     if action == FILE_CALLBACK_OPEN:

  3204.         ret, ok = QFileDialog.getOpenFileName(gCarla.gui, title, "", filter) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  3205.     elif action == FILE_CALLBACK_SAVE:

  3206.         ret, ok = QFileDialog.getSaveFileName(gCarla.gui, title, "", filter, QFileDialog.ShowDirsOnly if isDir else 0x0)

  3207.     else:

  3208.         ret, ok = ("", "")

  3209. 

  3210.     # FIXME use ok value, test if it works as expected

  3211.     if not ret:

  3212.         return None

  3213. 

  3214.     # FIXME

  3215.     global fileRet

  3216.     fileRet = c_char_p(ret.encode("utf-8"))

  3217.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  3218.     return retval.contents.value

  3219. 

  3220. # ------------------------------------------------------------------------------------------------------------

  3221. # Init host

  3222. 

  3223. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  3224.     pathBinaries, pathResources = getPaths(libPrefix)

  3225. 

  3226.     # --------------------------------------------------------------------------------------------------------

  3227.     # Fail if binary dir is not found

  3228. 

  3229.     if not os.path.exists(pathBinaries):

  3230.         if failError:

  3231.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  3232.             sys.exit(1)

  3233.         return

  3234. 

  3235.     # --------------------------------------------------------------------------------------------------------

  3236.     # Check if we should open main lib as local or global

  3237. 

  3238.     settings = QSafeSettings("falkTX", "Carla2")

  3239. 

  3240.     loadGlobal = settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL, CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL, bool)

  3241. 

  3242.     # --------------------------------------------------------------------------------------------------------

  3243.     # Set Carla library name

  3244. 

  3245.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  3246.     libname   = os.path.join(pathBinaries, libname)

  3247.     felibname = os.path.join(pathBinaries, "libcarla_frontend.%s" % (DLL_EXTENSION))

  3248.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  3249. 

  3250.     # --------------------------------------------------------------------------------------------------------

  3251.     # Print info

  3252. 

  3253.     if not (gCarla.nogui and isinstance(gCarla.nogui, int)):

  3254.         print("Carla %s started, status:" % VERSION)

  3255.         print("  Python version: %s" % sys.version.split(" ",1)[0])

  3256.         print("  Qt version:     %s" % QT_VERSION_STR)

  3257.         print("  PyQt version:   %s" % PYQT_VERSION_STR)

  3258.         print("  Binary dir:     %s" % pathBinaries)

  3259.         print("  Resources dir:  %s" % pathResources)

  3260. 

  3261.     # --------------------------------------------------------------------------------------------------------

  3262.     # Init host

  3263. 

  3264.     if failError:

  3265.         # no try

  3266.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  3267.     else:

  3268.         try:

  3269.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  3270.         except:

  3271.             host = CarlaHostQtNull()

  3272. 

  3273.     host.isControl = isControl

  3274.     host.isPlugin  = isPlugin

  3275. 

  3276.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vf,vs: engineCallback(host,a,p,v1,v2,v3,vf,vs))

  3277.     host.set_file_callback(fileCallback)

  3278. 

  3279.     # If it's a plugin the paths are already set

  3280.     if not isPlugin:

  3281.         host.pathBinaries  = pathBinaries

  3282.         host.pathResources = pathResources

  3283.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  3284.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  3285. 

  3286.         if not isControl:

  3287.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  3288. 

  3289.     # --------------------------------------------------------------------------------------------------------

  3290.     # Init frontend lib

  3291. 

  3292.     if not gCarla.nogui:

  3293.         gCarla.felib = CarlaFrontendLib(felibname)

  3294. 

  3295.     # --------------------------------------------------------------------------------------------------------

  3296.     # Init utils

  3297. 

  3298.     gCarla.utils = CarlaUtils(utilsname)

  3299.     gCarla.utils.set_process_name(os.path.basename(initName))

  3300. 

  3301.     try:

  3302.         sys.stdout.flush()

  3303.     except:

  3304.         pass

  3305. 

  3306.     sys.stdout = CarlaPrint(False)

  3307.     sys.stderr = CarlaPrint(True)

  3308.     sys.excepthook = sys_excepthook

  3309. 

  3310.     # --------------------------------------------------------------------------------------------------------

  3311.     # Done

  3312. 

  3313.     return host

  3314. 

  3315. # ------------------------------------------------------------------------------------------------------------

  3316. # Load host settings

  3317. 

  3318. def loadHostSettings(host):

  3319.     # kdevelop likes this :)

  3320.     if False: host = CarlaHostNull()

  3321. 

  3322.     settings = QSafeSettings("falkTX", "Carla2")

  3323. 

  3324.     host.experimental = settings.value(CARLA_KEY_MAIN_EXPERIMENTAL, CARLA_DEFAULT_MAIN_EXPERIMENTAL, bool)

  3325.     host.exportLV2 = settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2, CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT, bool)

  3326.     host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, bool)

  3327.     host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, int)

  3328.     host.resetXruns = settings.value(CARLA_KEY_ENGINE_RESET_XRUNS, CARLA_DEFAULT_RESET_XRUNS, bool)

  3329.     host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, bool)

  3330.     host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, bool)

  3331.     host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, bool)

  3332.     host.preventBadBehaviour = settings.value(CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, bool)

  3333.     host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, bool) and not WINDOWS

  3334.     host.showPluginBridges = settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, bool)

  3335.     host.showWineBridges = settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, bool)

  3336.     host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, int)

  3337.     host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, bool)

  3338. 

  3339.     if host.isPlugin:

  3340.         return

  3341. 

  3342.     host.transportExtra = settings.value(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, "", str)

  3343. 

  3344.     # enums

  3345.     if host.audioDriverForced is None:

  3346.         host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, int)

  3347. 

  3348.     if not host.processModeForced:

  3349.         host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, int)

  3350. 

  3351.     host.nextProcessMode = host.processMode

  3352. 

  3353.     # --------------------------------------------------------------------------------------------------------

  3354.     # fix things if needed

  3355. 

  3356.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  3357.         if LADISH_APP_NAME:

  3358.             print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  3359.             host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  3360. 

  3361.         else:

  3362.             host.transportMode = ENGINE_TRANSPORT_MODE_JACK

  3363. 

  3364.     if gCarla.nogui:

  3365.         host.showLogs = False

  3366. 

  3367.     # --------------------------------------------------------------------------------------------------------

  3368.     # run headless host now if nogui option enabled

  3369. 

  3370.     if gCarla.nogui:

  3371.         runHostWithoutUI(host)

  3372. 

  3373. # ------------------------------------------------------------------------------------------------------------

  3374. # Set host settings

  3375. 

  3376. def setHostSettings(host):

  3377.     # kdevelop likes this :)

  3378.     if False: host = CarlaHostNull()

  3379. 

  3380.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  3381.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  3382.     host.set_engine_option(ENGINE_OPTION_RESET_XRUNS,           host.resetXruns,          "")

  3383.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  3384.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  3385.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  3386.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  3387.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  3388. 

  3389.     if host.isPlugin or host.isRemote or host.is_engine_running():

  3390.         return

  3391. 

  3392.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  3393.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       host.transportExtra)

  3394.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  3395. 

  3396.     if not (NSM_URL and host.nsmOK):

  3397.         host.set_engine_option(ENGINE_OPTION_CLIENT_NAME_PREFIX, 0, gCarla.cnprefix)

  3398. 

  3399. # ------------------------------------------------------------------------------------------------------------

  3400. # Set Engine settings according to carla preferences. Returns selected audio driver.

  3401. 

  3402. def setEngineSettings(host, oscPort = None):

  3403.     # kdevelop likes this :)

  3404.     if False: host = CarlaHostNull()

  3405. 

  3406.     # --------------------------------------------------------------------------------------------------------

  3407.     # do nothing if control

  3408. 

  3409.     if host.isControl:

  3410.         return "Control"

  3411. 

  3412.     # --------------------------------------------------------------------------------------------------------

  3413. 

  3414.     settings = QSafeSettings("falkTX", "Carla2")

  3415. 

  3416.     # --------------------------------------------------------------------------------------------------------

  3417.     # main settings

  3418. 

  3419.     setHostSettings(host)

  3420. 

  3421.     # --------------------------------------------------------------------------------------------------------

  3422.     # file paths

  3423. 

  3424.     FILE_PATH_AUDIO = settings.value(CARLA_KEY_PATHS_AUDIO, CARLA_DEFAULT_FILE_PATH_AUDIO, list)

  3425.     FILE_PATH_MIDI  = settings.value(CARLA_KEY_PATHS_MIDI,  CARLA_DEFAULT_FILE_PATH_MIDI, list)

  3426. 

  3427.     host.set_engine_option(ENGINE_OPTION_FILE_PATH, FILE_AUDIO, splitter.join(FILE_PATH_AUDIO))

  3428.     host.set_engine_option(ENGINE_OPTION_FILE_PATH, FILE_MIDI,  splitter.join(FILE_PATH_MIDI))

  3429. 

  3430.     # --------------------------------------------------------------------------------------------------------

  3431.     # plugin paths

  3432. 

  3433.     LADSPA_PATH = settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH, list)

  3434.     DSSI_PATH   = settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH, list)

  3435.     LV2_PATH    = settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH, list)

  3436.     VST2_PATH   = settings.value(CARLA_KEY_PATHS_VST2,   CARLA_DEFAULT_VST2_PATH, list)

  3437.     VST3_PATH   = settings.value(CARLA_KEY_PATHS_VST3,   CARLA_DEFAULT_VST3_PATH, list)

  3438.     SF2_PATH    = settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH, list)

  3439.     SFZ_PATH    = settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH, list)

  3440.     JSFX_PATH   = settings.value(CARLA_KEY_PATHS_JSFX,   CARLA_DEFAULT_JSFX_PATH, list)

  3441.     CLAP_PATH   = settings.value(CARLA_KEY_PATHS_CLAP,   CARLA_DEFAULT_CLAP_PATH, list)

  3442. 

  3443.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  3444.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  3445.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  3446.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2,   splitter.join(VST2_PATH))

  3447.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST3,   splitter.join(VST3_PATH))

  3448.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  3449.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  3450.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_JSFX,   splitter.join(JSFX_PATH))

  3451.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_CLAP,   splitter.join(CLAP_PATH))

  3452. 

  3453.     # --------------------------------------------------------------------------------------------------------

  3454.     # don't continue if plugin

  3455. 

  3456.     if host.isPlugin:

  3457.         return "Plugin"

  3458. 

  3459.     # --------------------------------------------------------------------------------------------------------

  3460.     # osc settings

  3461. 

  3462.     if oscPort is not None and isinstance(oscPort, int):

  3463.         oscEnabled = True

  3464.         portNumTCP = portNumUDP = oscPort

  3465. 

  3466.     else:

  3467.         oscEnabled = settings.value(CARLA_KEY_OSC_ENABLED, CARLA_DEFAULT_OSC_ENABLED, bool)

  3468. 

  3469.         if not settings.value(CARLA_KEY_OSC_TCP_PORT_ENABLED, CARLA_DEFAULT_OSC_TCP_PORT_ENABLED, bool):

  3470.             portNumTCP = -1

  3471.         elif settings.value(CARLA_KEY_OSC_TCP_PORT_RANDOM, CARLA_DEFAULT_OSC_TCP_PORT_RANDOM, bool):

  3472.             portNumTCP = 0

  3473.         else:

  3474.             portNumTCP = settings.value(CARLA_KEY_OSC_TCP_PORT_NUMBER, CARLA_DEFAULT_OSC_TCP_PORT_NUMBER, int)

  3475. 

  3476.         if not settings.value(CARLA_KEY_OSC_UDP_PORT_ENABLED, CARLA_DEFAULT_OSC_UDP_PORT_ENABLED, bool):

  3477.             portNumUDP = -1

  3478.         elif settings.value(CARLA_KEY_OSC_UDP_PORT_RANDOM, CARLA_DEFAULT_OSC_UDP_PORT_RANDOM, bool):

  3479.             portNumUDP = 0

  3480.         else:

  3481.             portNumUDP = settings.value(CARLA_KEY_OSC_UDP_PORT_NUMBER, CARLA_DEFAULT_OSC_UDP_PORT_NUMBER, int)

  3482. 

  3483.     host.set_engine_option(ENGINE_OPTION_OSC_ENABLED, 1 if oscEnabled else 0, "")

  3484.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_TCP, portNumTCP, "")

  3485.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_UDP, portNumUDP, "")

  3486. 

  3487.     # --------------------------------------------------------------------------------------------------------

  3488.     # wine settings

  3489. 

  3490.     optWineExecutable = settings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, str)

  3491.     optWineAutoPrefix = settings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, bool)

  3492.     optWineFallbackPrefix = settings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, str)

  3493.     optWineRtPrioEnabled = settings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, bool)

  3494.     optWineBaseRtPrio = settings.value(CARLA_KEY_WINE_BASE_RT_PRIO,   CARLA_DEFAULT_WINE_BASE_RT_PRIO, int)

  3495.     optWineServerRtPrio = settings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, int)

  3496. 

  3497.     host.set_engine_option(ENGINE_OPTION_WINE_EXECUTABLE, 0, optWineExecutable)

  3498.     host.set_engine_option(ENGINE_OPTION_WINE_AUTO_PREFIX, 1 if optWineAutoPrefix else 0, "")

  3499.     host.set_engine_option(ENGINE_OPTION_WINE_FALLBACK_PREFIX, 0, os.path.expanduser(optWineFallbackPrefix))

  3500.     host.set_engine_option(ENGINE_OPTION_WINE_RT_PRIO_ENABLED, 1 if optWineRtPrioEnabled else 0, "")

  3501.     host.set_engine_option(ENGINE_OPTION_WINE_BASE_RT_PRIO, optWineBaseRtPrio, "")

  3502.     host.set_engine_option(ENGINE_OPTION_WINE_SERVER_RT_PRIO, optWineServerRtPrio, "")

  3503. 

  3504.     # --------------------------------------------------------------------------------------------------------

  3505.     # driver and device settings

  3506. 

  3507.     # driver name

  3508.     if host.audioDriverForced is not None:

  3509.         audioDriver = host.audioDriverForced

  3510.     else:

  3511.         try:

  3512.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, str)

  3513.         except:

  3514.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  3515. 

  3516.     # driver options

  3517.     audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", str)

  3518.     audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, int)

  3519.     audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, int)

  3520.     audioTripleBuffer = settings.value("%s%s/TripleBuffer" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER, bool)

  3521. 

  3522.     # Only setup audio things if engine is not running

  3523.     if not host.is_engine_running():

  3524.         host.set_engine_option(ENGINE_OPTION_AUDIO_DRIVER, 0, audioDriver)

  3525.         host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE, 0, audioDevice)

  3526. 

  3527.         if not audioDriver.startswith("JACK"):

  3528.             host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  3529.             host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  3530.             host.set_engine_option(ENGINE_OPTION_AUDIO_TRIPLE_BUFFER, 1 if audioTripleBuffer else 0, "")

  3531. 

  3532.     # --------------------------------------------------------------------------------------------------------

  3533.     # fix things if needed

  3534. 

  3535.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  3536.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  3537.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, host.transportExtra)

  3538. 

  3539.     # --------------------------------------------------------------------------------------------------------

  3540.     # return selected driver name

  3541. 

  3542.     return audioDriver

  3543. 

  3544. # ------------------------------------------------------------------------------------------------------------

  3545. # Run Carla without showing UI

  3546. 

  3547. def runHostWithoutUI(host):

  3548.     # kdevelop likes this :)

  3549.     if False: host = CarlaHostNull()

  3550. 

  3551.     # --------------------------------------------------------------------------------------------------------

  3552.     # Some initial checks

  3553. 

  3554.     if not gCarla.nogui:

  3555.         return

  3556. 

  3557.     projectFile = getInitialProjectFile(True)

  3558. 

  3559.     if gCarla.nogui is True:

  3560.         oscPort = None

  3561. 

  3562.         if not projectFile:

  3563.             print("Carla no-gui mode can only be used together with a project file.")

  3564.             sys.exit(1)

  3565. 

  3566.     else:

  3567.         oscPort = gCarla.nogui

  3568. 

  3569.     # --------------------------------------------------------------------------------------------------------

  3570.     # Additional imports

  3571. 

  3572.     from time import sleep

  3573. 

  3574.     # --------------------------------------------------------------------------------------------------------

  3575.     # Init engine

  3576. 

  3577.     audioDriver = setEngineSettings(host, oscPort)

  3578.     if not host.engine_init(audioDriver, "Carla"):

  3579.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  3580.         sys.exit(1)

  3581. 

  3582.     if projectFile and not host.load_project(projectFile):

  3583.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  3584.         host.engine_close()

  3585.         sys.exit(1)

  3586. 

  3587.     # --------------------------------------------------------------------------------------------------------

  3588.     # Idle

  3589. 

  3590.     print("Carla ready!")

  3591. 

  3592.     while host.is_engine_running() and not gCarla.term:

  3593.         host.engine_idle()

  3594.         sleep(0.0333) # 30 Hz

  3595. 

  3596.     # --------------------------------------------------------------------------------------------------------

  3597.     # Stop

  3598. 

  3599.     host.engine_close()

  3600.     sys.exit(0)

  3601. 

  3602. # ------------------------------------------------------------------------------------------------------------