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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) 2011-2021 Filipe Coelho <falktx@falktx.com>

  6. #

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

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

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

  10. # the License, or any later version.

  11. #

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

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

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

  15. # GNU General Public License for more details.

  16. #

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

  18. 

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

  20. # Imports (Global)

  21. 

  22. import json

  23. 

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

  25. # Imports (ctypes)

  26. 

  27. from ctypes import (

  28.     byref, pointer

  29. )

  30. 

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

  32. # Imports (PyQt5)

  33. 

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

  35. try:

  36.     from PyQt5.Qt import PYQT_VERSION

  37. except ImportError:

  38.     PYQT_VERSION = 0x50600

  39. 

  40. from PyQt5.QtCore import (

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

  42. )

  43. from PyQt5.QtGui import (

  44.     QImage, QImageWriter, QPainter, QPalette, QBrush

  45. )

  46. from PyQt5.QtWidgets import (

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

  48. )

  49. 

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

  51. # Imports (Custom)

  52. 

  53. import ui_carla_host

  54. 

  55. from carla_app import *

  56. from carla_backend_qt import CarlaHostQtDLL, CarlaHostQtNull

  57. from carla_database import *

  58. from carla_settings import *

  59. from carla_utils import *

  60. from carla_widgets import *

  61. 

  62. from patchcanvas import patchcanvas

  63. from widgets.digitalpeakmeter import DigitalPeakMeter

  64. from widgets.pixmapkeyboard import PixmapKeyboardHArea

  65. 

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

  67. # Try Import OpenGL

  68. 

  69. try:

  70.     from PyQt5.QtOpenGL import QGLWidget

  71.     hasGL = True

  72. except:

  73.     hasGL = False

  74. 

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

  76. # Safe exception hook, needed for PyQt5

  77. 

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

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

  80. 

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

  82. # Session Management support

  83. 

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

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

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

  87. 

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

  89. # Small print helper

  90. 

  91. def processMode2Str(processMode):

  92.     if processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT:

  93.         return "Single client"

  94.     if processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  95.         return "Multi client"

  96.     if processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK:

  97.         return "Continuous Rack"

  98.     if processMode == ENGINE_PROCESS_MODE_PATCHBAY:

  99.         return "Patchbay"

  100.     if processMode == ENGINE_PROCESS_MODE_BRIDGE:

  101.         return "Bridge"

  102.     return "Unknown"

  103. 

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

  105. # Carla Print class

  106. 

  107. class CarlaPrint:

  108.     def __init__(self, err):

  109.         self.err = err

  110. 

  111.     def flush(self):

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

  113. 

  114.     def write(self, string):

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

  116. 

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

  118. # Host Window

  119. 

  120. class HostWindow(QMainWindow):

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

  122.     # signals

  123.     SIGTERM = pyqtSignal()

  124.     SIGUSR1 = pyqtSignal()

  125. 

  126.     # CustomActions

  127.     CUSTOM_ACTION_NONE         = 0

  128.     CUSTOM_ACTION_APP_CLOSE    = 1

  129.     CUSTOM_ACTION_PROJECT_LOAD = 2

  130. 

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

  132. 

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

  134.         QMainWindow.__init__(self, parent)

  135.         self.host = host

  136.         self.ui = ui_carla_host.Ui_CarlaHostW()

  137.         self.ui.setupUi(self)

  138.         gCarla.gui = self

  139. 

  140.         if False:

  141.             # kdevelop likes this :)

  142.             host = CarlaHostNull()

  143.             self.host = host

  144. 

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

  146. 

  147.         self.fParentOrSelf = parent or self

  148. 

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

  150.         # Internal stuff

  151. 

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

  153.         self.fIdleTimerFast = 0

  154.         self.fIdleTimerSlow = 0

  155. 

  156.         self.fLadspaRdfNeedsUpdate = True

  157.         self.fLadspaRdfList = []

  158. 

  159.         self.fPluginCount = 0

  160.         self.fPluginList  = []

  161. 

  162.         self.fPluginDatabaseDialog = None

  163.         self.fFavoritePlugins = []

  164. 

  165.         self.fProjectFilename  = ""

  166.         self.fIsProjectLoading = False

  167.         self.fCurrentlyRemovingAllPlugins = False

  168. 

  169.         self.fLastTransportBPM   = 0.0

  170.         self.fLastTransportFrame = 0

  171.         self.fLastTransportState = False

  172.         self.fBufferSize         = 0

  173.         self.fSampleRate         = 0.0

  174.         self.fOscAddressTCP      = ""

  175.         self.fOscAddressUDP      = ""

  176. 

  177.         if MACOS:

  178.             self.fMacClosingHelper = True

  179. 

  180.         # CancelableActionCallback Box

  181.         self.fCancelableActionBox = None

  182. 

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

  184.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  185. 

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

  187.         self.fFirstEngineInit = True

  188. 

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

  190.         self.fSavedSettings = {}

  191. 

  192.         # true if NSM server handles our window management

  193.         self.fWindowCloseHideGui = False

  194. 

  195.         if host.isControl:

  196.             self.fClientName         = "Carla-Control"

  197.             self.fSessionManagerName = "Control"

  198.         elif host.isPlugin:

  199.             self.fClientName         = "Carla-Plugin"

  200.             self.fSessionManagerName = "Plugin"

  201.         elif LADISH_APP_NAME:

  202.             self.fClientName         = LADISH_APP_NAME

  203.             self.fSessionManagerName = "LADISH"

  204.         elif NSM_URL and host.nsmOK:

  205.             self.fClientName         = "Carla.tmp"

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

  207.             self.fWindowCloseHideGui = True

  208.         else:

  209.             self.fClientName         = CARLA_CLIENT_NAME or "Carla"

  210.             self.fSessionManagerName = ""

  211. 

  212.         # ----------------------------------------------------------------------------------------------------

  213.         # Internal stuff (patchbay)

  214. 

  215.         self.fPeaksCleared = True

  216. 

  217.         self.fExternalPatchbay = False

  218.         self.fSelectedPlugins  = []

  219. 

  220.         self.fCanvasWidth  = 0

  221.         self.fCanvasHeight = 0

  222.         self.fMiniCanvasUpdateTimeout = 0

  223. 

  224.         self.fWithCanvas = withCanvas

  225. 

  226.         # ----------------------------------------------------------------------------------------------------

  227.         # Internal stuff (logs)

  228. 

  229.         self.autoscrollOnNewLog = True

  230.         self.lastLogSliderPos = 0

  231. 

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

  233.         # Set up GUI (engine stopped)

  234. 

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

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

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

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

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

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

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

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

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

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

  245. 

  246.             if self.host.isControl:

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

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

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

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

  251.             else:

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

  253. 

  254.                 if not withCanvas:

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

  256. 

  257.         else:

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

  259. 

  260.             if WINDOWS:

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

  262. 

  263.         if self.host.isControl:

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

  265.         else:

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

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

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

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

  270. 

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

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

  273. 

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

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

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

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

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

  279. 

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

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

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

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

  284. 

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

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

  287. 

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

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

  290. 

  291.         if not withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  309.             self.ui.tw_miniCanvas.hide()

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

  311.             if WINDOWS:

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

  313. 

  314.         # ----------------------------------------------------------------------------------------------------

  315.         # Set up GUI (disk)

  316. 

  317.         exts = gCarla.utils.get_supported_file_extensions()

  318. 

  319.         self.fDirModel = QFileSystemModel(self)

  320.         self.fDirModel.setRootPath(HOME)

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

  322. 

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

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

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

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

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

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

  329. 

  330.         # ----------------------------------------------------------------------------------------------------

  331.         # Set up GUI (transport)

  332. 

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

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

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

  336. 

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

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

  339. 

  340.         if minLabelWidth < labelTimeWidth:

  341.             minLabelWidth = labelTimeWidth

  342.         if minLabelWidth < labelBBTWidth:

  343.             minLabelWidth = labelBBTWidth

  344. 

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

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

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

  348. 

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

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

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

  352. 

  353.         if host.isPlugin:

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

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

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

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

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

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

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

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

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

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

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

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

  366. 

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

  368. 

  369.         # ----------------------------------------------------------------------------------------------------

  370.         # Set up GUI (rack)

  371. 

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

  373. 

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

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

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

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

  378. 

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

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

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

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

  383. 

  384.         self.updateStyle()

  385. 

  386.         self.ui.rack.setStyleSheet("""

  387.           CarlaRackList#CarlaRackList {

  388.             background-color: black;

  389.           }

  390.         """)

  391. 

  392.         # ----------------------------------------------------------------------------------------------------

  393.         # Set up GUI (patchbay)

  394. 

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

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

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

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

  399. 

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

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

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

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

  404. 

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

  406.         self.ui.keyboard   = self.ui.scrollArea.keyboard

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

  408. 

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

  410. 

  411.         self.ui.miniCanvasPreview.setRealParent(self)

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

  413. 

  414.         # ----------------------------------------------------------------------------------------------------

  415.         # Set up GUI (logs)

  416. 

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

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

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

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

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

  422. 

  423.         # ----------------------------------------------------------------------------------------------------

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

  425. 

  426.         if MACOS:

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

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

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

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

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

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

  433. 

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

  435.         # Load Settings

  436. 

  437.         self.loadSettings(True)

  438. 

  439.         # ----------------------------------------------------------------------------------------------------

  440.         # Set-up Canvas

  441. 

  442.         if withCanvas:

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

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

  445. 

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

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

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

  449. 

  450.             self.setupCanvas()

  451. 

  452.         # ----------------------------------------------------------------------------------------------------

  453.         # Set-up Icons

  454. 

  455.         if self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS]:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  477. 

  478.         # ----------------------------------------------------------------------------------------------------

  479.         # Connect actions to functions

  480. 

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

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

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

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

  485. 

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

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

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

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

  490. 

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

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

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

  494. 

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

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

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

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

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

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

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

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

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

  504. 

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

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

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

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

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

  510. 

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

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

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

  514. 

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

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

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

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

  519. 

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

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

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

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

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

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

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

  527. 

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

  529. 

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

  531. 

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

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

  534. 

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

  536. 

  537.         if withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  557. 

  558.         self.SIGUSR1.connect(self.slot_handleSIGUSR1)

  559.         self.SIGTERM.connect(self.slot_handleSIGTERM)

  560. 

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

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

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

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

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

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

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

  568. 

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

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

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

  572. 

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

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

  575. 

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

  577. 

  578.         if withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

  592. 

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

  594. 

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

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

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

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

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

  600. 

  601.         # ----------------------------------------------------------------------------------------------------

  602.         # Final setup

  603. 

  604.         self.ui.text_logs.clear()

  605.         self.slot_logButtonsState(False)

  606.         self.setProperWindowTitle()

  607. 

  608.         # Disable non-supported features

  609.         features = gCarla.utils.get_supported_features()

  610. 

  611.         if "link" not in features:

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

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

  614. 

  615.         if "juce" not in features:

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

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

  618. 

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

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

  621.             self.startTimers()

  622. 

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

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

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

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

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

  628. 

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

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

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

  632. 

  633.         # Load initial project file if set

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

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

  636. 

  637.             if projectFile:

  638.                 self.loadProjectLater(projectFile)

  639. 

  640.         # For NSM we wait for the open message

  641.         if NSM_URL and host.nsmOK:

  642.             host.nsm_ready(NSM_CALLBACK_INIT)

  643.             return

  644. 

  645.         if not host.isControl:

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

  647. 

  648.     # --------------------------------------------------------------------------------------------------------

  649.     # Manage visibility state, needed for NSM

  650. 

  651.     def hideForNSM(self):

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

  653.             if pitem is None:

  654.                 continue

  655.             pitem.getWidget().hideCustomUI()

  656.         self.hide()

  657. 

  658.     def showIfNeeded(self):

  659.         if self.host.nsmOK:

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

  661.             QApplication.instance().setQuitOnLastWindowClosed(False)

  662.         else:

  663.             self.show()

  664. 

  665.     # --------------------------------------------------------------------------------------------------------

  666.     # Setup

  667. 

  668.     def compactPlugin(self, pluginId):

  669.         if pluginId > self.fPluginCount:

  670.             return

  671. 

  672.         pitem = self.fPluginList[pluginId]

  673. 

  674.         if pitem is None:

  675.             return

  676. 

  677.         pitem.recreateWidget(True)

  678. 

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

  680.         if pluginId > self.fPluginCount:

  681.             return

  682. 

  683.         pitem = self.fPluginList[pluginId]

  684. 

  685.         if pitem is None:

  686.             return

  687. 

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

  689.         pitem.recreateWidget(newColor = color)

  690. 

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

  692.         if pluginId > self.fPluginCount:

  693.             return

  694. 

  695.         pitem = self.fPluginList[pluginId]

  696. 

  697.         if pitem is None:

  698.             return

  699. 

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

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

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

  703.         else:

  704.             pitem.recreateWidget(newSkin = skin)

  705. 

  706.     def findPluginInPatchbay(self, pluginId):

  707.         if pluginId > self.fPluginCount:

  708.             return

  709. 

  710.         if self.fExternalPatchbay:

  711.             self.slot_canvasShowInternal()

  712. 

  713.         if not patchcanvas.focusGroupUsingPluginId(pluginId):

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

  715.             if not patchcanvas.focusGroupUsingGroupName(name):

  716.                 return

  717. 

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

  719. 

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

  721.         if pluginIdA == pluginIdB:

  722.             return

  723.         if pluginIdA < 0 or pluginIdB < 0:

  724.             return

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

  726.             return

  727. 

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

  729. 

  730.         itemA = self.fPluginList[pluginIdA]

  731.         compactA = itemA.isCompacted()

  732.         guiShownA = itemA.isGuiShown()

  733. 

  734.         itemB = self.fPluginList[pluginIdB]

  735.         compactB = itemB.isCompacted()

  736.         guiShownB = itemB.isGuiShown()

  737. 

  738.         itemA.setPluginId(pluginIdA)

  739.         itemA.recreateWidget2(compactB, guiShownB)

  740. 

  741.         itemB.setPluginId(pluginIdB)

  742.         itemB.recreateWidget2(compactA, guiShownA)

  743. 

  744.         if self.fWithCanvas:

  745.             self.slot_canvasRefresh()

  746. 

  747.     def setLoadRDFsNeeded(self):

  748.         self.fLadspaRdfNeedsUpdate = True

  749. 

  750.     def setProperWindowTitle(self):

  751.         title = self.fClientName

  752. 

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

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

  755.         if self.fSessionManagerName:

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

  757. 

  758.         self.setWindowTitle(title)

  759. 

  760.     def updateBufferSize(self, newBufferSize):

  761.         if self.fBufferSize == newBufferSize:

  762.             return

  763.         self.fBufferSize = newBufferSize

  764.         self.ui.cb_buffer_size.clear()

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

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

  767. 

  768.     def updateSampleRate(self, newSampleRate):

  769.         if self.fSampleRate == newSampleRate:

  770.             return

  771.         self.fSampleRate = newSampleRate

  772.         self.ui.cb_sample_rate.clear()

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

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

  775.         self.refreshTransport(True)

  776. 

  777.     # --------------------------------------------------------------------------------------------------------

  778.     # Files

  779. 

  780.     def loadProjectNow(self):

  781.         if not self.fProjectFilename:

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

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

  784.             return

  785. 

  786.         self.projectLoadingStarted()

  787.         self.fIsProjectLoading = True

  788. 

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

  790.             self.fIsProjectLoading = False

  791.             self.projectLoadingFinished()

  792. 

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

  794.                              self.host.get_last_error(),

  795.                              QMessageBox.Ok, QMessageBox.Ok)

  796. 

  797.     def loadProjectLater(self, filename):

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

  799.         self.setProperWindowTitle()

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

  801. 

  802.     def saveProjectNow(self):

  803.         if not self.fProjectFilename:

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

  805. 

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

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

  808.                              self.host.get_last_error(),

  809.                              QMessageBox.Ok, QMessageBox.Ok)

  810.             return

  811. 

  812.     def projectLoadingStarted(self):

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

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

  815. 

  816.     def projectLoadingFinished(self):

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

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

  819. 

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

  821.             return

  822. 

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

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

  825. 

  826.     def loadExternalCanvasGroupPositionsIfNeeded(self, filename):

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

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

  829.             return False

  830. 

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

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

  833.                 return False

  834. 

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

  836.             try:

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

  838.             except:

  839.                 return False

  840. 

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

  842.         patchcanvas.restoreGroupPositions(canvasdata)

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

  844.         return True

  845. 

  846.     # --------------------------------------------------------------------------------------------------------

  847.     # Files (menu actions)

  848. 

  849.     @pyqtSlot()

  850.     def slot_fileNew(self):

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

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

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

  854.             return

  855. 

  856.         self.pluginRemoveAll()

  857.         self.fProjectFilename = ""

  858.         self.setProperWindowTitle()

  859.         self.host.clear_project_filename()

  860. 

  861.     @pyqtSlot()

  862.     def slot_fileOpen(self):

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

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

  865. 

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

  867.         if not filename:

  868.             return

  869. 

  870.         newFile = True

  871. 

  872.         if self.fPluginCount > 0:

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

  874.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  876. 

  877.         if newFile:

  878.             self.pluginRemoveAll()

  879.             self.fProjectFilename = filename

  880.             self.setProperWindowTitle()

  881.             self.loadProjectNow()

  882.         else:

  883.             filenameOld = self.fProjectFilename

  884.             self.fProjectFilename = filename

  885.             self.loadProjectNow()

  886.             self.fProjectFilename = filenameOld

  887. 

  888.     @pyqtSlot()

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

  890.         if self.fProjectFilename and not saveAs:

  891.             return self.saveProjectNow()

  892. 

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

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

  895. 

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

  897.         if not filename:

  898.             return

  899. 

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

  901.             filename += ".carxp"

  902. 

  903.         if self.fProjectFilename != filename:

  904.             self.fProjectFilename = filename

  905.             self.setProperWindowTitle()

  906. 

  907.         self.saveProjectNow()

  908. 

  909.     @pyqtSlot()

  910.     def slot_fileSaveAs(self):

  911.         self.slot_fileSave(True)

  912. 

  913.     @pyqtSlot()

  914.     def slot_loadProjectNow(self):

  915.         self.loadProjectNow()

  916. 

  917.     # --------------------------------------------------------------------------------------------------------

  918.     # Engine (menu actions)

  919. 

  920.     @pyqtSlot()

  921.     def slot_engineStart(self):

  922.         audioDriver = setEngineSettings(self.host)

  923.         firstInit   = self.fFirstEngineInit

  924. 

  925.         self.fFirstEngineInit = False

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

  927. 

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

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

  930.                 settings = QSafeSettings()

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

  932.                 del settings

  933.                 if lastBpm >= 20.0:

  934.                     self.host.transport_bpm(lastBpm)

  935.             return

  936. 

  937.         elif firstInit:

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

  939.             return

  940. 

  941.         audioError = self.host.get_last_error()

  942. 

  943.         if audioError:

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

  945.         else:

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

  947. 

  948.     @pyqtSlot()

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

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

  951. 

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

  953.             self.engineStopFinal()

  954.             return True

  955. 

  956.         if not forced:

  957.             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"

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

  959.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  960.             if ask != QMessageBox.Yes:

  961.                 return False

  962. 

  963.         return self.slot_engineStopTryAgain()

  964. 

  965.     @pyqtSlot()

  966.     def slot_engineConfig(self):

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

  968. 

  969.         if not dialog.exec_():

  970.             return

  971. 

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

  973. 

  974.         if self.host.is_engine_running():

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

  976.         else:

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

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

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

  980. 

  981.     @pyqtSlot()

  982.     def slot_engineStopTryAgain(self):

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

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

  985.             return False

  986. 

  987.         self.engineStopFinal()

  988.         return True

  989. 

  990.     def engineStopFinal(self):

  991.         patchcanvas.handleAllPluginsRemoved()

  992.         self.killTimers()

  993. 

  994.         if self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  995.             self.removeAllPlugins()

  996.         else:

  997.             self.fProjectFilename = ""

  998.             self.setProperWindowTitle()

  999.             if self.fPluginCount != 0:

  1000.                 self.fCurrentlyRemovingAllPlugins = True

  1001.                 self.projectLoadingStarted()

  1002. 

  1003.         if self.host.is_engine_running() and not self.host.remove_all_plugins():

  1004.             self.ui.text_logs.appendPlainText("Failed to remove all plugins, error was:")

  1005.             self.ui.text_logs.appendPlainText(self.host.get_last_error())

  1006. 

  1007.         if not self.host.engine_close():

  1008.             self.ui.text_logs.appendPlainText("Failed to stop engine, error was:")

  1009.             self.ui.text_logs.appendPlainText(self.host.get_last_error())

  1010. 

  1011.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  1012.             self.close()

  1013.         elif self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  1014.             self.slot_engineStart()

  1015.             self.loadProjectNow()

  1016.             self.host.nsm_ready(NSM_CALLBACK_OPEN)

  1017. 

  1018.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  1019. 

  1020.     # --------------------------------------------------------------------------------------------------------

  1021.     # Engine (host callbacks)

  1022. 

  1023.     @pyqtSlot(int, int, int, int, float, str)

  1024.     def slot_handleEngineStartedCallback(self, pluginCount, processMode, transportMode, bufferSize, sampleRate, driverName):

  1025.         self.ui.menu_PluginMacros.setEnabled(True)

  1026.         self.ui.menu_Canvas.setEnabled(True)

  1027.         self.ui.w_transport.setEnabled(True)

  1028. 

  1029.         self.ui.act_canvas_show_internal.blockSignals(True)

  1030.         self.ui.act_canvas_show_external.blockSignals(True)

  1031. 

  1032.         if processMode == ENGINE_PROCESS_MODE_PATCHBAY and not self.host.isPlugin:

  1033.             self.ui.act_canvas_show_internal.setChecked(True)

  1034.             self.ui.act_canvas_show_internal.setVisible(True)

  1035.             self.ui.act_canvas_show_external.setChecked(False)

  1036.             self.ui.act_canvas_show_external.setVisible(True)

  1037.             self.fExternalPatchbay = False

  1038.         else:

  1039.             self.ui.act_canvas_show_internal.setChecked(False)

  1040.             self.ui.act_canvas_show_internal.setVisible(False)

  1041.             self.ui.act_canvas_show_external.setChecked(True)

  1042.             self.ui.act_canvas_show_external.setVisible(False)

  1043.             self.fExternalPatchbay = not self.host.isPlugin

  1044. 

  1045.         self.ui.act_canvas_show_internal.blockSignals(False)

  1046.         self.ui.act_canvas_show_external.blockSignals(False)

  1047. 

  1048.         if not (self.host.isControl or self.host.isPlugin):

  1049.             canSave = (self.fProjectFilename and os.path.exists(self.fProjectFilename)) or not self.fSessionManagerName

  1050.             self.ui.act_file_save.setEnabled(canSave)

  1051.             self.ui.act_engine_start.setEnabled(False)

  1052.             self.ui.act_engine_stop.setEnabled(True)

  1053. 

  1054.         if not self.host.isPlugin:

  1055.             self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1056. 

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

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

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

  1060. 

  1061.         self.ui.cb_transport_jack.setChecked(transportMode == ENGINE_TRANSPORT_MODE_JACK)

  1062.         self.ui.cb_transport_jack.setEnabled(driverName == "JACK" and processMode != ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS)

  1063. 

  1064.         if self.ui.cb_transport_link.isEnabled():

  1065.             self.ui.cb_transport_link.setChecked(":link:" in self.host.transportExtra)

  1066. 

  1067.         self.updateBufferSize(bufferSize)

  1068.         self.updateSampleRate(int(sampleRate))

  1069.         self.refreshRuntimeInfo(0.0, 0)

  1070.         self.startTimers()

  1071. 

  1072.         self.ui.text_logs.appendPlainText("======= Engine started ========")

  1073.         self.ui.text_logs.appendPlainText("Carla engine started, details:")

  1074.         self.ui.text_logs.appendPlainText("  Driver name:  %s" % driverName)

  1075.         self.ui.text_logs.appendPlainText("  Sample rate:  %i" % int(sampleRate))

  1076.         self.ui.text_logs.appendPlainText("  Process mode: %s" % processMode2Str(processMode))

  1077. 

  1078.     @pyqtSlot()

  1079.     def slot_handleEngineStoppedCallback(self):

  1080.         self.ui.text_logs.appendPlainText("======= Engine stopped ========")

  1081. 

  1082.         if self.fWithCanvas:

  1083.             patchcanvas.clear()

  1084. 

  1085.         self.killTimers()

  1086. 

  1087.         # just in case

  1088.         self.removeAllPlugins()

  1089.         self.refreshRuntimeInfo(0.0, 0)

  1090. 

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

  1092.         self.ui.menu_Canvas.setEnabled(False)

  1093.         self.ui.w_transport.setEnabled(False)

  1094. 

  1095.         if not (self.host.isControl or self.host.isPlugin):

  1096.             self.ui.act_file_save.setEnabled(False)

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

  1098.             self.ui.act_engine_stop.setEnabled(False)

  1099. 

  1100.         if self.host.isPlugin or not self.fSessionManagerName:

  1101.             self.ui.act_file_open.setEnabled(False)

  1102.             self.ui.act_file_save_as.setEnabled(False)

  1103. 

  1104.     @pyqtSlot(int, str)

  1105.     def slot_handleTransportModeChangedCallback(self, transportMode, transportExtra):

  1106.         self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1107. 

  1108.         self.ui.cb_transport_jack.setChecked(transportMode == ENGINE_TRANSPORT_MODE_JACK)

  1109.         self.ui.cb_transport_link.setChecked(":link:" in transportExtra)

  1110. 

  1111.     @pyqtSlot(int)

  1112.     def slot_handleBufferSizeChangedCallback(self, newBufferSize):

  1113.         self.updateBufferSize(newBufferSize)

  1114. 

  1115.     @pyqtSlot(float)

  1116.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  1117.         self.updateSampleRate(int(newSampleRate))

  1118. 

  1119.     @pyqtSlot(int, bool, str)

  1120.     def slot_handleCancelableActionCallback(self, pluginId, started, action):

  1121.         if self.fCancelableActionBox is not None:

  1122.             self.fCancelableActionBox.close()

  1123. 

  1124.         if started:

  1125.             self.fCancelableActionBox = QMessageBox(self)

  1126.             self.fCancelableActionBox.setIcon(QMessageBox.Information)

  1127.             self.fCancelableActionBox.setWindowTitle(self.tr("Action in progress"))

  1128.             self.fCancelableActionBox.setText(action)

  1129.             self.fCancelableActionBox.setInformativeText(self.tr("An action is in progress, please wait..."))

  1130.             self.fCancelableActionBox.setStandardButtons(QMessageBox.Cancel)

  1131.             self.fCancelableActionBox.setDefaultButton(QMessageBox.Cancel)

  1132.             self.fCancelableActionBox.buttonClicked.connect(self.slot_canlableActionBoxClicked)

  1133.             self.fCancelableActionBox.show()

  1134. 

  1135.         else:

  1136.             self.fCancelableActionBox = None

  1137. 

  1138.     @pyqtSlot()

  1139.     def slot_canlableActionBoxClicked(self):

  1140.         self.host.cancel_engine_action()

  1141. 

  1142.     @pyqtSlot()

  1143.     def slot_handleProjectLoadFinishedCallback(self):

  1144.         self.fIsProjectLoading = False

  1145.         self.projectLoadingFinished()

  1146. 

  1147.     # --------------------------------------------------------------------------------------------------------

  1148.     # Plugins

  1149. 

  1150.     def removeAllPlugins(self):

  1151.         self.ui.act_plugin_remove_all.setEnabled(False)

  1152.         patchcanvas.handleAllPluginsRemoved()

  1153. 

  1154.         while self.ui.listWidget.takeItem(0):

  1155.             pass

  1156. 

  1157.         self.clearSideStuff()

  1158. 

  1159.         for pitem in self.fPluginList:

  1160.             if pitem is None:

  1161.                 continue

  1162. 

  1163.             pitem.close()

  1164.             del pitem

  1165. 

  1166.         self.fPluginCount = 0

  1167.         self.fPluginList  = []

  1168. 

  1169.     # --------------------------------------------------------------------------------------------------------

  1170.     # Plugins (menu actions)

  1171. 

  1172.     def showAddPluginDialog(self):

  1173.         if self.fPluginDatabaseDialog is None:

  1174.             self.fPluginDatabaseDialog = PluginDatabaseW(self.fParentOrSelf, self.host,

  1175.                                                          self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS])

  1176.         dialog = self.fPluginDatabaseDialog

  1177. 

  1178.         ret = dialog.exec_()

  1179. 

  1180.         if dialog.fFavoritePluginsChanged:

  1181.             self.fFavoritePlugins = dialog.fFavoritePlugins

  1182. 

  1183.         if not ret:

  1184.             return

  1185. 

  1186.         if not self.host.is_engine_running():

  1187.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1188.             return

  1189. 

  1190.         btype    = dialog.fRetPlugin['build']

  1191.         ptype    = dialog.fRetPlugin['type']

  1192.         filename = dialog.fRetPlugin['filename']

  1193.         label    = dialog.fRetPlugin['label']

  1194.         uniqueId = dialog.fRetPlugin['uniqueId']

  1195.         extraPtr = self.getExtraPtr(dialog.fRetPlugin)

  1196. 

  1197.         return (btype, ptype, filename, label, uniqueId, extraPtr)

  1198. 

  1199.     def showAddJackAppDialog(self):

  1200.         dialog = JackApplicationW(self.fParentOrSelf, self.fProjectFilename)

  1201. 

  1202.         if not dialog.exec_():

  1203.             return

  1204. 

  1205.         if not self.host.is_engine_running():

  1206.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1207.             return

  1208. 

  1209.         return dialog.getCommandAndFlags()

  1210. 

  1211.     @pyqtSlot()

  1212.     def slot_favoritePluginAdd(self):

  1213.         plugin = self.sender().data()

  1214. 

  1215.         if plugin is None:

  1216.             return

  1217. 

  1218.         if not self.host.add_plugin(plugin['build'], plugin['type'], plugin['filename'], None,

  1219.                                     plugin['label'], plugin['uniqueId'], None, PLUGIN_OPTIONS_NULL):

  1220.             CustomMessageBox(self,

  1221.                              QMessageBox.Critical,

  1222.                              self.tr("Error"),

  1223.                              self.tr("Failed to load plugin"),

  1224.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1225. 

  1226.     @pyqtSlot()

  1227.     def slot_showPluginActionsMenu(self):

  1228.         menu = QMenu(self)

  1229. 

  1230.         menu.addSection("Plugins")

  1231.         menu.addAction(self.ui.act_plugin_add)

  1232. 

  1233.         if len(self.fFavoritePlugins) != 0:

  1234.             fmenu = QMenu("Add from favorites", self)

  1235.             for p in self.fFavoritePlugins:

  1236.                 act = fmenu.addAction(p['name'])

  1237.                 act.setData(p)

  1238.                 act.triggered.connect(self.slot_favoritePluginAdd)

  1239.             menu.addMenu(fmenu)

  1240. 

  1241.         menu.addAction(self.ui.act_plugin_remove_all)

  1242. 

  1243.         menu.addSection("All plugins (macros)")

  1244.         menu.addAction(self.ui.act_plugins_enable)

  1245.         menu.addAction(self.ui.act_plugins_disable)

  1246.         menu.addSeparator()

  1247.         menu.addAction(self.ui.act_plugins_volume100)

  1248.         menu.addAction(self.ui.act_plugins_mute)

  1249.         menu.addSeparator()

  1250.         menu.addAction(self.ui.act_plugins_wet100)

  1251.         menu.addAction(self.ui.act_plugins_bypass)

  1252.         menu.addSeparator()

  1253.         menu.addAction(self.ui.act_plugins_center)

  1254.         menu.addSeparator()

  1255.         menu.addAction(self.ui.act_plugins_compact)

  1256.         menu.addAction(self.ui.act_plugins_expand)

  1257. 

  1258.         menu.exec_(QCursor.pos())

  1259. 

  1260.     @pyqtSlot()

  1261.     def slot_pluginAdd(self):

  1262.         data = self.showAddPluginDialog()

  1263. 

  1264.         if data is None:

  1265.             return

  1266. 

  1267.         btype, ptype, filename, label, uniqueId, extraPtr = data

  1268. 

  1269.         if not self.host.add_plugin(btype, ptype, filename, None, label, uniqueId, extraPtr, PLUGIN_OPTIONS_NULL):

  1270.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1271.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1272. 

  1273.     @pyqtSlot()

  1274.     def slot_confirmRemoveAll(self):

  1275.         if self.fPluginCount == 0:

  1276.             return

  1277. 

  1278.         if QMessageBox.question(self, self.tr("Remove All"),

  1279.                                       self.tr("Are you sure you want to remove all plugins?"),

  1280.                                       QMessageBox.Yes|QMessageBox.No) == QMessageBox.No:

  1281.             return

  1282. 

  1283.         self.pluginRemoveAll()

  1284. 

  1285.     def pluginRemoveAll(self):

  1286.         if self.fPluginCount == 0:

  1287.             return

  1288. 

  1289.         self.fCurrentlyRemovingAllPlugins = True

  1290.         self.projectLoadingStarted()

  1291. 

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

  1293.             self.projectLoadingFinished()

  1294.             self.fCurrentlyRemovingAllPlugins = False

  1295.             CustomMessageBox(self, QMessageBox.Warning, self.tr("Error"), self.tr("Operation failed"),

  1296.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1297. 

  1298.     @pyqtSlot()

  1299.     def slot_jackAppAdd(self):

  1300.         data = self.showAddJackAppDialog()

  1301. 

  1302.         if data is None:

  1303.             return

  1304. 

  1305.         filename, name, label = data

  1306. 

  1307.         if not filename:

  1308.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Cannot add jack application"),

  1309.                                    self.tr("command is empty"), QMessageBox.Ok, QMessageBox.Ok)

  1310.             return

  1311. 

  1312.         if not self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, filename, name, label, 0, None, PLUGIN_OPTIONS_NULL):

  1313.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1314.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1315. 

  1316.     # --------------------------------------------------------------------------------------------------------

  1317.     # Plugins (macros)

  1318. 

  1319.     @pyqtSlot()

  1320.     def slot_pluginsEnable(self):

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

  1322.             return

  1323. 

  1324.         for pitem in self.fPluginList:

  1325.             if pitem is None:

  1326.                 break

  1327. 

  1328.             pitem.getWidget().setActive(True, True, True)

  1329. 

  1330.     @pyqtSlot()

  1331.     def slot_pluginsDisable(self):

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

  1333.             return

  1334. 

  1335.         for pitem in self.fPluginList:

  1336.             if pitem is None:

  1337.                 break

  1338. 

  1339.             pitem.getWidget().setActive(False, True, True)

  1340. 

  1341.     @pyqtSlot()

  1342.     def slot_pluginsVolume100(self):

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

  1344.             return

  1345. 

  1346.         for pitem in self.fPluginList:

  1347.             if pitem is None:

  1348.                 break

  1349. 

  1350.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 1.0)

  1351. 

  1352.     @pyqtSlot()

  1353.     def slot_pluginsMute(self):

  1354.         if not self.host.is_engine_running():

  1355.             return

  1356. 

  1357.         for pitem in self.fPluginList:

  1358.             if pitem is None:

  1359.                 break

  1360. 

  1361.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 0.0)

  1362. 

  1363.     @pyqtSlot()

  1364.     def slot_pluginsWet100(self):

  1365.         if not self.host.is_engine_running():

  1366.             return

  1367. 

  1368.         for pitem in self.fPluginList:

  1369.             if pitem is None:

  1370.                 break

  1371. 

  1372.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 1.0)

  1373. 

  1374.     @pyqtSlot()

  1375.     def slot_pluginsBypass(self):

  1376.         if not self.host.is_engine_running():

  1377.             return

  1378. 

  1379.         for pitem in self.fPluginList:

  1380.             if pitem is None:

  1381.                 break

  1382. 

  1383.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 0.0)

  1384. 

  1385.     @pyqtSlot()

  1386.     def slot_pluginsCenter(self):

  1387.         if not self.host.is_engine_running():

  1388.             return

  1389. 

  1390.         for pitem in self.fPluginList:

  1391.             if pitem is None:

  1392.                 break

  1393. 

  1394.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1395.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1396.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1397. 

  1398.     @pyqtSlot()

  1399.     def slot_pluginsCompact(self):

  1400.         for pitem in self.fPluginList:

  1401.             if pitem is None:

  1402.                 break

  1403.             pitem.compact()

  1404. 

  1405.     @pyqtSlot()

  1406.     def slot_pluginsExpand(self):

  1407.         for pitem in self.fPluginList:

  1408.             if pitem is None:

  1409.                 break

  1410.             pitem.expand()

  1411. 

  1412.     # --------------------------------------------------------------------------------------------------------

  1413.     # Plugins (host callbacks)

  1414. 

  1415.     @pyqtSlot(int, str)

  1416.     def slot_handlePluginAddedCallback(self, pluginId, pluginName):

  1417.         if pluginId != self.fPluginCount:

  1418.             print("ERROR: pluginAdded mismatch Id:", pluginId, self.fPluginCount)

  1419.             pitem = self.getPluginItem(pluginId)

  1420.             pitem.recreateWidget()

  1421.             return

  1422. 

  1423.         pitem = self.ui.listWidget.createItem(pluginId)

  1424.         self.fPluginList.append(pitem)

  1425.         self.fPluginCount += 1

  1426. 

  1427.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1428. 

  1429.     @pyqtSlot(int)

  1430.     def slot_handlePluginRemovedCallback(self, pluginId):

  1431.         if self.fWithCanvas:

  1432.             patchcanvas.handlePluginRemoved(pluginId)

  1433. 

  1434.         if pluginId in self.fSelectedPlugins:

  1435.             self.clearSideStuff()

  1436. 

  1437.         if self.fPluginCount == 0:

  1438.             return

  1439. 

  1440.         pitem = self.getPluginItem(pluginId)

  1441. 

  1442.         self.fPluginCount -= 1

  1443.         self.fPluginList.pop(pluginId)

  1444.         self.ui.listWidget.takeItem(pluginId)

  1445. 

  1446.         if pitem is not None:

  1447.             pitem.close()

  1448.             del pitem

  1449. 

  1450.         if self.fPluginCount == 0:

  1451.             self.ui.act_plugin_remove_all.setEnabled(False)

  1452.             if self.fCurrentlyRemovingAllPlugins:

  1453.                 self.fCurrentlyRemovingAllPlugins = False

  1454.                 self.projectLoadingFinished()

  1455.             return

  1456. 

  1457.         # push all plugins 1 slot back

  1458.         for i in range(pluginId, self.fPluginCount):

  1459.             pitem = self.fPluginList[i]

  1460.             pitem.setPluginId(i)

  1461. 

  1462.         self.ui.act_plugin_remove_all.setEnabled(True)

  1463. 

  1464.     # --------------------------------------------------------------------------------------------------------

  1465.     # Canvas

  1466. 

  1467.     def clearSideStuff(self):

  1468.         if self.fWithCanvas:

  1469.             self.scene.clearSelection()

  1470. 

  1471.         self.fSelectedPlugins = []

  1472. 

  1473.         self.ui.keyboard.allNotesOff(False)

  1474.         self.ui.scrollArea.setEnabled(False)

  1475. 

  1476.         self.fPeaksCleared = True

  1477.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1478.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1479.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1480.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1481. 

  1482.     def setupCanvas(self):

  1483.         pOptions = patchcanvas.options_t()

  1484.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1485.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1486.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1487.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1488.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1489.         pOptions.inline_displays   = self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS]

  1490. 

  1491.         if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY]:

  1492.             pOptions.eyecandy = patchcanvas.EYECANDY_FULL

  1493.         elif self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]:

  1494.             pOptions.eyecandy = patchcanvas.EYECANDY_SMALL

  1495.         else:

  1496.             pOptions.eyecandy = patchcanvas.EYECANDY_NONE

  1497. 

  1498.         pFeatures = patchcanvas.features_t()

  1499.         pFeatures.group_info   = False

  1500.         pFeatures.group_rename = False

  1501.         pFeatures.port_info    = False

  1502.         pFeatures.port_rename  = False

  1503.         pFeatures.handle_group_pos = False

  1504. 

  1505.         patchcanvas.setOptions(pOptions)

  1506.         patchcanvas.setFeatures(pFeatures)

  1507.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1508. 

  1509.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1510. 

  1511.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1512.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1513.             self.fCanvasHeight = int(tryCanvasSize[1])

  1514.         else:

  1515.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1516.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1517. 

  1518.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1519.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1520.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1521. 

  1522.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1523.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1524. 

  1525.         if self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] != patchcanvas.ANTIALIASING_NONE:

  1526.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, True)

  1527. 

  1528.             fullAA = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] == patchcanvas.ANTIALIASING_FULL

  1529.             self.ui.graphicsView.setRenderHint(QPainter.SmoothPixmapTransform, fullAA)

  1530.             self.ui.graphicsView.setRenderHint(QPainter.TextAntialiasing, fullAA)

  1531. 

  1532.             if self.fSavedSettings[CARLA_KEY_CANVAS_USE_OPENGL] and hasGL:

  1533.                 self.ui.graphicsView.setRenderHint(QPainter.HighQualityAntialiasing, self.fSavedSettings[CARLA_KEY_CANVAS_HQ_ANTIALIASING])

  1534. 

  1535.         else:

  1536.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, False)

  1537. 

  1538.         if self.fSavedSettings[CARLA_KEY_CANVAS_FULL_REPAINTS]:

  1539.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.FullViewportUpdate)

  1540.         else:

  1541.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.MinimalViewportUpdate)

  1542. 

  1543.     def updateCanvasInitialPos(self):

  1544.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1545.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1546.         patchcanvas.setInitialPos(x, y)

  1547. 

  1548.     def updateMiniCanvasLater(self):

  1549.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1550. 

  1551.     # --------------------------------------------------------------------------------------------------------

  1552.     # Canvas (menu actions)

  1553. 

  1554.     @pyqtSlot()

  1555.     def slot_canvasShowInternal(self):

  1556.         self.fExternalPatchbay = False

  1557.         self.ui.act_canvas_show_internal.blockSignals(True)

  1558.         self.ui.act_canvas_show_external.blockSignals(True)

  1559.         self.ui.act_canvas_show_internal.setChecked(True)

  1560.         self.ui.act_canvas_show_external.setChecked(False)

  1561.         self.ui.act_canvas_show_internal.blockSignals(False)

  1562.         self.ui.act_canvas_show_external.blockSignals(False)

  1563.         self.slot_canvasRefresh()

  1564. 

  1565.     @pyqtSlot()

  1566.     def slot_canvasShowExternal(self):

  1567.         self.fExternalPatchbay = True

  1568.         self.ui.act_canvas_show_internal.blockSignals(True)

  1569.         self.ui.act_canvas_show_external.blockSignals(True)

  1570.         self.ui.act_canvas_show_internal.setChecked(False)

  1571.         self.ui.act_canvas_show_external.setChecked(True)

  1572.         self.ui.act_canvas_show_internal.blockSignals(False)

  1573.         self.ui.act_canvas_show_external.blockSignals(False)

  1574.         self.slot_canvasRefresh()

  1575. 

  1576.     @pyqtSlot()

  1577.     def slot_canvasArrange(self):

  1578.         patchcanvas.arrange()

  1579. 

  1580.     @pyqtSlot()

  1581.     def slot_canvasRefresh(self):

  1582.         patchcanvas.clear()

  1583. 

  1584.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1585.             return

  1586. 

  1587.         if self.host.is_engine_running():

  1588.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1589. 

  1590.         self.updateMiniCanvasLater()

  1591. 

  1592.     @pyqtSlot()

  1593.     def slot_canvasZoomFit(self):

  1594.         self.scene.zoom_fit()

  1595. 

  1596.     @pyqtSlot()

  1597.     def slot_canvasZoomIn(self):

  1598.         self.scene.zoom_in()

  1599. 

  1600.     @pyqtSlot()

  1601.     def slot_canvasZoomOut(self):

  1602.         self.scene.zoom_out()

  1603. 

  1604.     @pyqtSlot()

  1605.     def slot_canvasZoomReset(self):

  1606.         self.scene.zoom_reset()

  1607. 

  1608.     def _canvasImageRender(self, zoom = 1.0):

  1609.         image   = QImage(self.scene.width()*zoom, self.scene.height()*zoom, QImage.Format_RGB32)

  1610.         painter = QPainter(image)

  1611.         painter.save()

  1612.         painter.setRenderHints(painter.renderHints() | QPainter.Antialiasing | QPainter.TextAntialiasing)

  1613.         self.scene.clearSelection()

  1614.         self.scene.render(painter)

  1615.         painter.restore()

  1616.         del painter

  1617.         return image

  1618. 

  1619.     def _canvasImageWrite(self, iw: QImageWriter, imgFormat: bytes, image: QImage):

  1620.         iw.setFormat(imgFormat)

  1621.         iw.setCompression(-1)

  1622.         if QT_VERSION >= 0x50500:

  1623.             iw.setOptimizedWrite(True)

  1624.         iw.write(image)

  1625. 

  1626.     @pyqtSlot()

  1627.     def slot_canvasSaveImage(self):

  1628.         if self.fProjectFilename:

  1629.             dir = QFileInfo(self.fProjectFilename).absoluteDir().absolutePath()

  1630.         else:

  1631.             dir = self.fSavedSettings[CARLA_KEY_MAIN_PROJECT_FOLDER]

  1632. 

  1633.         fileDialog = QFileDialog(self)

  1634.         fileDialog.setAcceptMode(QFileDialog.AcceptSave)

  1635.         fileDialog.setDirectory(dir)

  1636.         fileDialog.setFileMode(QFileDialog.AnyFile)

  1637.         fileDialog.setMimeTypeFilters(("image/png", "image/jpeg"))

  1638.         fileDialog.setNameFilter(self.tr("Images (*.png *.jpg)"))

  1639.         fileDialog.setOptions(QFileDialog.DontUseCustomDirectoryIcons)

  1640.         fileDialog.setWindowTitle(self.tr("Save Image"))

  1641. 

  1642.         ok = fileDialog.exec_()

  1643. 

  1644.         if not ok:

  1645.             return

  1646. 

  1647.         newPath = fileDialog.selectedFiles()

  1648. 

  1649.         if len(newPath) != 1:

  1650.             return

  1651. 

  1652.         newPath = newPath[0]

  1653. 

  1654.         if QT_VERSION >= 0x50900:

  1655.             if fileDialog.selectedMimeTypeFilter() == "image/jpeg":

  1656.                 imgFormat = b"JPG"

  1657.             else:

  1658.                 imgFormat = b"PNG"

  1659.         else:

  1660.             if newPath.lower().endswith((".jpg", ".jpeg")):

  1661.                 imgFormat = b"JPG"

  1662.             else:

  1663.                 imgFormat = b"PNG"

  1664. 

  1665.         sender = self.sender()

  1666.         if sender == self.ui.act_canvas_save_image_2x:

  1667.             zoom = 2.0

  1668.         elif sender == self.ui.act_canvas_save_image_4x:

  1669.             zoom = 4.0

  1670.         else:

  1671.             zoom = 1.0

  1672. 

  1673.         image = self._canvasImageRender(zoom)

  1674.         iw = QImageWriter(newPath)

  1675.         self._canvasImageWrite(iw, imgFormat, image)

  1676. 

  1677.     @pyqtSlot()

  1678.     def slot_canvasCopyToClipboard(self):

  1679.         buffer = QBuffer()

  1680.         buffer.open(QIODevice.WriteOnly)

  1681. 

  1682.         image = self._canvasImageRender()

  1683.         iw = QImageWriter(buffer, b"PNG")

  1684.         self._canvasImageWrite(iw, b"PNG", image)

  1685. 

  1686.         buffer.close()

  1687. 

  1688.         mimeData = QMimeData()

  1689.         mimeData.setData("image/png", buffer.buffer());

  1690. 

  1691.         QApplication.clipboard().setMimeData(mimeData)

  1692. 

  1693.     # --------------------------------------------------------------------------------------------------------

  1694.     # Canvas (canvas callbacks)

  1695. 

  1696.     @pyqtSlot()

  1697.     def slot_canvasSelectionChanged(self):

  1698.         self.updateMiniCanvasLater()

  1699. 

  1700.     @pyqtSlot(float)

  1701.     def slot_canvasScaleChanged(self, scale):

  1702.         self.ui.miniCanvasPreview.setViewScale(scale)

  1703. 

  1704.     @pyqtSlot(list)

  1705.     def slot_canvasPluginSelected(self, pluginList):

  1706.         self.ui.keyboard.allNotesOff(False)

  1707.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1708.         self.fSelectedPlugins = pluginList

  1709. 

  1710.     # --------------------------------------------------------------------------------------------------------

  1711.     # Canvas (host callbacks)

  1712. 

  1713.     @pyqtSlot(int, int, int, str)

  1714.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1715.         pcSplit = patchcanvas.SPLIT_UNDEF

  1716.         pcIcon  = patchcanvas.ICON_APPLICATION

  1717. 

  1718.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1719.             pcIcon = patchcanvas.ICON_PLUGIN

  1720.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1721.             pcIcon = patchcanvas.ICON_HARDWARE

  1722.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1723.             pass

  1724.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1725.             pcIcon = patchcanvas.ICON_DISTRHO

  1726.         elif clientIcon == PATCHBAY_ICON_FILE:

  1727.             pcIcon = patchcanvas.ICON_FILE

  1728. 

  1729.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1730. 

  1731.         self.updateMiniCanvasLater()

  1732. 

  1733.         if pluginId < 0:

  1734.             return

  1735.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1736.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1737.             return

  1738. 

  1739.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1740.             hasCustomUI = False

  1741.             hasInlineDisplay = False

  1742.         else:

  1743.             hints = self.host.get_plugin_info(pluginId)['hints']

  1744.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1745.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1746. 

  1747.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1748. 

  1749.     @pyqtSlot(int)

  1750.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1751.         patchcanvas.removeGroup(clientId)

  1752.         self.updateMiniCanvasLater()

  1753. 

  1754.     @pyqtSlot(int, str)

  1755.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1756.         patchcanvas.renameGroup(clientId, newClientName)

  1757.         self.updateMiniCanvasLater()

  1758. 

  1759.     @pyqtSlot(int, int, int)

  1760.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1761.         pcIcon = patchcanvas.ICON_APPLICATION

  1762. 

  1763.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1764.             pcIcon = patchcanvas.ICON_PLUGIN

  1765.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1766.             pcIcon = patchcanvas.ICON_HARDWARE

  1767.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1768.             pass

  1769.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1770.             pcIcon = patchcanvas.ICON_DISTRHO

  1771.         elif clientIcon == PATCHBAY_ICON_FILE:

  1772.             pcIcon = patchcanvas.ICON_FILE

  1773. 

  1774.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1775.         self.updateMiniCanvasLater()

  1776. 

  1777.         if pluginId < 0:

  1778.             return

  1779.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1780.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1781.             return

  1782. 

  1783.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1784.             hasCustomUI = False

  1785.             hasInlineDisplay = False

  1786.         else:

  1787.             hints = self.host.get_plugin_info(pluginId)['hints']

  1788.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1789.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1790. 

  1791.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1792. 

  1793.     @pyqtSlot(int, int, int, int, int)

  1794.     def slot_handlePatchbayClientPositionChangedCallback(self, clientId, x1, y1, x2, y2):

  1795.         if (x1 != 0 and x2 != 0) or (y1 != 0 and y2 != 0):

  1796.             patchcanvas.splitGroup(clientId)

  1797.         else:

  1798.             patchcanvas.joinGroup(clientId)

  1799.         patchcanvas.setGroupPosFull(clientId, x1, y1, x2, y2)

  1800.         self.updateMiniCanvasLater()

  1801. 

  1802.     @pyqtSlot(int, int, int, int, str)

  1803.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portGroupId, portName):

  1804.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1805.             portMode = patchcanvas.PORT_MODE_INPUT

  1806.         else:

  1807.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1808. 

  1809.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1810.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1811.             isAlternate = False

  1812.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1813.             portType    = patchcanvas.PORT_TYPE_PARAMETER

  1814.             isAlternate = False

  1815.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1816.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1817.             isAlternate = False

  1818.         else:

  1819.             portType    = patchcanvas.PORT_TYPE_NULL

  1820.             isAlternate = False

  1821. 

  1822.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1823.         self.updateMiniCanvasLater()

  1824. 

  1825.     @pyqtSlot(int, int)

  1826.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  1827.         patchcanvas.removePort(groupId, portId)

  1828.         self.updateMiniCanvasLater()

  1829. 

  1830.     @pyqtSlot(int, int, int, int, str)

  1831.     def slot_handlePatchbayPortChangedCallback(self, groupId, portId, portFlags, portGroupId, newPortName):

  1832.         patchcanvas.renamePort(groupId, portId, newPortName)

  1833.         self.updateMiniCanvasLater()

  1834. 

  1835.     @pyqtSlot(int, int, int, str)

  1836.     def slot_handlePatchbayPortGroupAddedCallback(self, groupId, portId, portGroupId, newPortName):

  1837.         # TODO

  1838.         pass

  1839. 

  1840.     @pyqtSlot(int, int)

  1841.     def slot_handlePatchbayPortGroupRemovedCallback(self, groupId, portId):

  1842.         # TODO

  1843.         pass

  1844. 

  1845.     @pyqtSlot(int, int, int, str)

  1846.     def slot_handlePatchbayPortGroupChangedCallback(self, groupId, portId, portGroupId, newPortName):

  1847.         # TODO

  1848.         pass

  1849. 

  1850.     @pyqtSlot(int, int, int, int, int)

  1851.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1852.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1853.         self.updateMiniCanvasLater()

  1854. 

  1855.     @pyqtSlot(int, int, int)

  1856.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1857.         patchcanvas.disconnectPorts(connectionId)

  1858.         self.updateMiniCanvasLater()

  1859. 

  1860.     # --------------------------------------------------------------------------------------------------------

  1861.     # Settings

  1862. 

  1863.     def saveSettings(self):

  1864.         settings = QSafeSettings()

  1865. 

  1866.         settings.setValue("Geometry", self.saveGeometry())

  1867.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  1868.         settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  1869. 

  1870.         diskFolders = []

  1871. 

  1872.         for i in range(self.ui.cb_disk.count()):

  1873.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1874. 

  1875.         settings.setValue("DiskFolders", diskFolders)

  1876.         settings.setValue("LastBPM", self.fLastTransportBPM)

  1877. 

  1878.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1879.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1880.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1881.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1882. 

  1883.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_MODE,  self.host.transportMode)

  1884.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, self.host.transportExtra)

  1885. 

  1886.         return settings

  1887. 

  1888.     def loadSettings(self, firstTime):

  1889.         settings = QSafeSettings()

  1890. 

  1891.         if firstTime:

  1892.             geometry = settings.value("Geometry", QByteArray(), QByteArray)

  1893.             if not geometry.isNull():

  1894.                 self.restoreGeometry(geometry)

  1895. 

  1896.             showToolbar = settings.value("ShowToolbar", True, bool)

  1897.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1898.             self.ui.toolBar.setEnabled(showToolbar)

  1899.             self.ui.toolBar.setVisible(showToolbar)

  1900. 

  1901.             #if settings.contains("SplitterState"):

  1902.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  1903.             #else:

  1904.                 #self.ui.splitter.setSizes([210, 99999])

  1905. 

  1906.             showSidePanel = settings.value("ShowSidePanel", True, bool)

  1907.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  1908.             self.slot_showSidePanel(showSidePanel)

  1909. 

  1910.             diskFolders = settings.value("DiskFolders", [HOME], list)

  1911. 

  1912.             self.ui.cb_disk.setItemData(0, HOME)

  1913. 

  1914.             for i in range(len(diskFolders)):

  1915.                 if i == 0: continue

  1916.                 folder = diskFolders[i]

  1917.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1918. 

  1919.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, bool):

  1920.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1921. 

  1922.             showMeters = settings.value("ShowMeters", True, bool)

  1923.             self.ui.act_settings_show_meters.setChecked(showMeters)

  1924.             self.ui.peak_in.setVisible(showMeters)

  1925.             self.ui.peak_out.setVisible(showMeters)

  1926. 

  1927.             showKeyboard = settings.value("ShowKeyboard", True, bool)

  1928.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  1929.             self.ui.scrollArea.setVisible(showKeyboard)

  1930. 

  1931.             settingsDBf = QSafeSettings("falkTX", "CarlaDatabase2")

  1932.             self.fFavoritePlugins = settingsDBf.value("PluginDatabase/Favorites", [], list)

  1933. 

  1934.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  1935. 

  1936.         # TODO - complete this

  1937. 

  1938.         self.fSavedSettings = {

  1939.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      str),

  1940.             CARLA_KEY_MAIN_CONFIRM_EXIT:        settings.value(CARLA_KEY_MAIN_CONFIRM_EXIT,        CARLA_DEFAULT_MAIN_CONFIRM_EXIT,        bool),

  1941.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    int),

  1942.             CARLA_KEY_MAIN_SYSTEM_ICONS:        settings.value(CARLA_KEY_MAIN_SYSTEM_ICONS,        CARLA_DEFAULT_MAIN_SYSTEM_ICONS,        bool),

  1943.             CARLA_KEY_MAIN_EXPERIMENTAL:        settings.value(CARLA_KEY_MAIN_EXPERIMENTAL,        CARLA_DEFAULT_MAIN_EXPERIMENTAL,        bool),

  1944.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             str),

  1945.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              str),

  1946.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  bool),

  1947.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, bool),

  1948.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  bool),

  1949.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         bool),

  1950.             CARLA_KEY_CANVAS_FANCY_EYE_CANDY:   settings.value(CARLA_KEY_CANVAS_FANCY_EYE_CANDY,   CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY,   bool),

  1951.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        bool),

  1952.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      int),

  1953.             CARLA_KEY_CANVAS_HQ_ANTIALIASING:   settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   bool),

  1954.             CARLA_KEY_CANVAS_FULL_REPAINTS:     settings.value(CARLA_KEY_CANVAS_FULL_REPAINTS,     CARLA_DEFAULT_CANVAS_FULL_REPAINTS,     bool),

  1955.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   bool) and

  1956.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", str).lower() == "black"),

  1957.         }

  1958. 

  1959.         if not self.host.isControl:

  1960.             self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS] = settings.value(CARLA_KEY_CANVAS_INLINE_DISPLAYS, CARLA_DEFAULT_CANVAS_INLINE_DISPLAYS, bool)

  1961.         else:

  1962.             self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS] = False

  1963. 

  1964.         settings2 = QSafeSettings("falkTX", "Carla2")

  1965. 

  1966.         if self.host.experimental:

  1967.             visible = settings2.value(CARLA_KEY_EXPERIMENTAL_JACK_APPS, CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS, bool)

  1968.             self.ui.act_plugin_add_jack.setVisible(visible)

  1969.         else:

  1970.             self.ui.act_plugin_add_jack.setVisible(False)

  1971. 

  1972.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY] else 0

  1973. 

  1974.         setEngineSettings(self.host)

  1975.         self.restartTimersIfNeeded()

  1976. 

  1977.         return settings

  1978. 

  1979.     # --------------------------------------------------------------------------------------------------------

  1980.     # Settings (helpers)

  1981. 

  1982.     def enableTransport(self, enabled):

  1983.         self.ui.group_transport_controls.setEnabled(enabled)

  1984.         self.ui.group_transport_settings.setEnabled(enabled)

  1985. 

  1986.     @pyqtSlot()

  1987.     def slot_restoreCanvasScrollbarValues(self):

  1988.         settings = QSafeSettings()

  1989.         horiz = settings.value("HorizontalScrollBarValue", int(self.ui.graphicsView.horizontalScrollBar().maximum()/2), int)

  1990.         vertc = settings.value("VerticalScrollBarValue", int(self.ui.graphicsView.verticalScrollBar().maximum()/2), int)

  1991.         self.ui.graphicsView.horizontalScrollBar().setValue(horiz)

  1992.         self.ui.graphicsView.verticalScrollBar().setValue(vertc)

  1993. 

  1994.     # --------------------------------------------------------------------------------------------------------

  1995.     # Settings (menu actions)

  1996. 

  1997.     @pyqtSlot(bool)

  1998.     def slot_showSidePanel(self, yesNo):

  1999.         self.ui.dockWidget.setEnabled(yesNo)

  2000.         self.ui.dockWidget.setVisible(yesNo)

  2001. 

  2002.     @pyqtSlot(bool)

  2003.     def slot_showToolbar(self, yesNo):

  2004.         self.ui.toolBar.setEnabled(yesNo)

  2005.         self.ui.toolBar.setVisible(yesNo)

  2006. 

  2007.     @pyqtSlot(bool)

  2008.     def slot_showCanvasMeters(self, yesNo):

  2009.         self.ui.peak_in.setVisible(yesNo)

  2010.         self.ui.peak_out.setVisible(yesNo)

  2011.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  2012. 

  2013.     @pyqtSlot(bool)

  2014.     def slot_showCanvasKeyboard(self, yesNo):

  2015.         self.ui.scrollArea.setVisible(yesNo)

  2016.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  2017. 

  2018.     @pyqtSlot()

  2019.     def slot_configureCarla(self):

  2020.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  2021.         if not dialog.exec_():

  2022.             return

  2023. 

  2024.         self.loadSettings(False)

  2025. 

  2026.         if self.fWithCanvas:

  2027.             patchcanvas.clear()

  2028.             self.setupCanvas()

  2029.             self.slot_miniCanvasCheckAll()

  2030. 

  2031.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  2032.             pass

  2033.         elif self.host.is_engine_running():

  2034.             self.host.patchbay_refresh(self.fExternalPatchbay)

  2035. 

  2036.     # --------------------------------------------------------------------------------------------------------

  2037.     # About (menu actions)

  2038. 

  2039.     @pyqtSlot()

  2040.     def slot_aboutCarla(self):

  2041.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  2042. 

  2043.     @pyqtSlot()

  2044.     def slot_aboutJuce(self):

  2045.         JuceAboutW(self.fParentOrSelf).exec_()

  2046. 

  2047.     @pyqtSlot()

  2048.     def slot_aboutQt(self):

  2049.         QApplication.instance().aboutQt()

  2050. 

  2051.     # --------------------------------------------------------------------------------------------------------

  2052.     # Disk (menu actions)

  2053. 

  2054.     @pyqtSlot(int)

  2055.     def slot_diskFolderChanged(self, index):

  2056.         if index < 0:

  2057.             return

  2058.         elif index == 0:

  2059.             filename = HOME

  2060.             self.ui.b_disk_remove.setEnabled(False)

  2061.         else:

  2062.             filename = self.ui.cb_disk.itemData(index)

  2063.             self.ui.b_disk_remove.setEnabled(True)

  2064. 

  2065.         self.fDirModel.setRootPath(filename)

  2066.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  2067. 

  2068.     @pyqtSlot()

  2069.     def slot_diskFolderAdd(self):

  2070.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  2071. 

  2072.         if newPath:

  2073.             if newPath[-1] == os.sep:

  2074.                 newPath = newPath[:-1]

  2075.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  2076.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  2077.             self.ui.b_disk_remove.setEnabled(True)

  2078. 

  2079.     @pyqtSlot()

  2080.     def slot_diskFolderRemove(self):

  2081.         index = self.ui.cb_disk.currentIndex()

  2082. 

  2083.         if index <= 0:

  2084.             return

  2085. 

  2086.         self.ui.cb_disk.removeItem(index)

  2087. 

  2088.         if self.ui.cb_disk.currentIndex() == 0:

  2089.             self.ui.b_disk_remove.setEnabled(False)

  2090. 

  2091.     @pyqtSlot(QModelIndex)

  2092.     def slot_fileTreeDoubleClicked(self, modelIndex):

  2093.         filename = self.fDirModel.filePath(modelIndex)

  2094. 

  2095.         if not self.ui.listWidget.isDragUrlValid(filename):

  2096.             return

  2097. 

  2098.         if not self.host.load_file(filename):

  2099.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  2100.                              self.tr("Failed to load file"),

  2101.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2102.             return

  2103. 

  2104.         if filename.endswith(".carxp"):

  2105.             self.loadExternalCanvasGroupPositionsIfNeeded(filename)

  2106. 

  2107.     # --------------------------------------------------------------------------------------------------------

  2108.     # Transport

  2109. 

  2110.     def refreshTransport(self, forced = False):

  2111.         if not self.ui.l_transport_time.isVisible():

  2112.             return

  2113.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  2114.             return

  2115. 

  2116.         timeInfo = self.host.get_transport_info()

  2117.         playing  = timeInfo['playing']

  2118.         frame    = timeInfo['frame']

  2119.         bpm      = timeInfo['bpm']

  2120. 

  2121.         if playing != self.fLastTransportState or forced:

  2122.             if playing:

  2123.                 icon = QIcon(":/16x16/media-playback-pause.svgz")

  2124.                 self.ui.b_transport_play.setChecked(True)

  2125.                 self.ui.b_transport_play.setIcon(icon)

  2126.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  2127.             else:

  2128.                 icon = QIcon(":/16x16/media-playback-start.svgz")

  2129.                 self.ui.b_transport_play.setChecked(False)

  2130.                 self.ui.b_transport_play.setIcon(icon)

  2131.                 #self.ui.b_play.setText(self.tr("&Play"))

  2132. 

  2133.             self.fLastTransportState = playing

  2134. 

  2135.         if frame != self.fLastTransportFrame or forced:

  2136.             self.fLastTransportFrame = frame

  2137. 

  2138.             time = frame / self.fSampleRate

  2139.             secs =  time % 60

  2140.             mins = (time / 60) % 60

  2141.             hrs  = (time / 3600) % 60

  2142.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  2143. 

  2144.             frame1 =  frame % 1000

  2145.             frame2 = (frame / 1000) % 1000

  2146.             frame3 = (frame / 1000000) % 1000

  2147.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  2148. 

  2149.             bar  = timeInfo['bar']

  2150.             beat = timeInfo['beat']

  2151.             tick = timeInfo['tick']

  2152.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  2153. 

  2154.         if bpm != self.fLastTransportBPM or forced:

  2155.             self.fLastTransportBPM = bpm

  2156. 

  2157.             if bpm > 0.0:

  2158.                 self.ui.dsb_transport_bpm.blockSignals(True)

  2159.                 self.ui.dsb_transport_bpm.setValue(bpm)

  2160.                 self.ui.dsb_transport_bpm.blockSignals(False)

  2161.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  2162.             else:

  2163.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  2164. 

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

  2166.     # Transport (menu actions)

  2167. 

  2168.     @pyqtSlot(bool)

  2169.     def slot_transportPlayPause(self, toggled):

  2170.         if self.host.isPlugin or not self.host.is_engine_running():

  2171.             return

  2172. 

  2173.         if toggled:

  2174.             self.host.transport_play()

  2175.         else:

  2176.             self.host.transport_pause()

  2177. 

  2178.         self.refreshTransport()

  2179. 

  2180.     @pyqtSlot()

  2181.     def slot_transportStop(self):

  2182.         if self.host.isPlugin or not self.host.is_engine_running():

  2183.             return

  2184. 

  2185.         self.host.transport_pause()

  2186.         self.host.transport_relocate(0)

  2187. 

  2188.         self.refreshTransport()

  2189. 

  2190.     @pyqtSlot()

  2191.     def slot_transportBackwards(self):

  2192.         if self.host.isPlugin or not self.host.is_engine_running():

  2193.             return

  2194. 

  2195.         newFrame = self.host.get_current_transport_frame() - 100000

  2196. 

  2197.         if newFrame < 0:

  2198.             newFrame = 0

  2199. 

  2200.         self.host.transport_relocate(newFrame)

  2201. 

  2202.     @pyqtSlot(float)

  2203.     def slot_transportBpmChanged(self, newValue):

  2204.         self.host.transport_bpm(newValue)

  2205. 

  2206.     @pyqtSlot()

  2207.     def slot_transportForwards(self):

  2208.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  2209.             return

  2210. 

  2211.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  2212.         self.host.transport_relocate(newFrame)

  2213. 

  2214.     @pyqtSlot(bool)

  2215.     def slot_transportJackEnabled(self, clicked):

  2216.         if not self.host.is_engine_running():

  2217.             return

  2218.         self.host.transportMode = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  2219.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  2220.                                     self.host.transportMode,

  2221.                                     self.host.transportExtra)

  2222. 

  2223.     @pyqtSlot(bool)

  2224.     def slot_transportLinkEnabled(self, clicked):

  2225.         if not self.host.is_engine_running():

  2226.             return

  2227.         extra = ":link:" if clicked else ""

  2228.         self.host.transportExtra = extra

  2229.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  2230.                                     self.host.transportMode,

  2231.                                     self.host.transportExtra)

  2232. 

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

  2234.     # Other

  2235. 

  2236.     @pyqtSlot(bool)

  2237.     def slot_xrunClear(self):

  2238.         self.host.clear_engine_xruns()

  2239. 

  2240.     # --------------------------------------------------------------------------------------------------------

  2241.     # Canvas scrollbars

  2242. 

  2243.     @pyqtSlot(int)

  2244.     def slot_horizontalScrollBarChanged(self, value):

  2245.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  2246.         if maximum == 0:

  2247.             xp = 0

  2248.         else:

  2249.             xp = float(value) / maximum

  2250.         self.ui.miniCanvasPreview.setViewPosX(xp)

  2251.         self.updateCanvasInitialPos()

  2252. 

  2253.     @pyqtSlot(int)

  2254.     def slot_verticalScrollBarChanged(self, value):

  2255.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  2256.         if maximum == 0:

  2257.             yp = 0

  2258.         else:

  2259.             yp = float(value) / maximum

  2260.         self.ui.miniCanvasPreview.setViewPosY(yp)

  2261.         self.updateCanvasInitialPos()

  2262. 

  2263.     # --------------------------------------------------------------------------------------------------------

  2264.     # Canvas keyboard

  2265. 

  2266.     @pyqtSlot(int)

  2267.     def slot_noteOn(self, note):

  2268.         for pluginId in self.fSelectedPlugins:

  2269.             self.host.send_midi_note(pluginId, 0, note, 100)

  2270. 

  2271.             pedit = self.getPluginEditDialog(pluginId)

  2272.             pedit.noteOn(0, note, 100)

  2273. 

  2274.     @pyqtSlot(int)

  2275.     def slot_noteOff(self, note):

  2276.         for pluginId in self.fSelectedPlugins:

  2277.             self.host.send_midi_note(pluginId, 0, note, 0)

  2278. 

  2279.             pedit = self.getPluginEditDialog(pluginId)

  2280.             pedit.noteOff(0, note)

  2281. 

  2282.     # --------------------------------------------------------------------------------------------------------

  2283.     # Canvas keyboard (host callbacks)

  2284. 

  2285.     @pyqtSlot(int, int, int, int)

  2286.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  2287.         if pluginId in self.fSelectedPlugins:

  2288.             self.ui.keyboard.sendNoteOn(note, False)

  2289. 

  2290.     @pyqtSlot(int, int, int)

  2291.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  2292.         if pluginId in self.fSelectedPlugins:

  2293.             self.ui.keyboard.sendNoteOff(note, False)

  2294. 

  2295.     # --------------------------------------------------------------------------------------------------------

  2296. 

  2297.     @pyqtSlot(int)

  2298.     def slot_handleUpdateCallback(self, pluginId):

  2299.         pitem = self.getPluginItem(pluginId)

  2300. 

  2301.         if pitem is None:

  2302.             return

  2303. 

  2304.         wasCompacted = pitem.isCompacted()

  2305.         isCompacted  = wasCompacted

  2306. 

  2307.         check = self.host.get_custom_data_value(pluginId, CUSTOM_DATA_TYPE_PROPERTY, "CarlaSkinIsCompacted")

  2308.         if not check:

  2309.             return

  2310.         isCompacted = bool(check == "true")

  2311. 

  2312.         if wasCompacted == isCompacted:

  2313.             return

  2314. 

  2315.         pitem.recreateWidget(True)

  2316. 

  2317.     # --------------------------------------------------------------------------------------------------------

  2318.     # MiniCanvas stuff

  2319. 

  2320.     @pyqtSlot()

  2321.     def slot_miniCanvasCheckAll(self):

  2322.         self.slot_miniCanvasCheckSize()

  2323.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  2324.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  2325. 

  2326.     @pyqtSlot()

  2327.     def slot_miniCanvasCheckSize(self):

  2328.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  2329.             return

  2330. 

  2331.         currentIndex = self.ui.tabWidget.currentIndex()

  2332. 

  2333.         if currentIndex == 1:

  2334.             width  = self.ui.graphicsView.width()

  2335.             height = self.ui.graphicsView.height()

  2336.         else:

  2337.             self.ui.tabWidget.blockSignals(True)

  2338.             self.ui.tabWidget.setCurrentIndex(1)

  2339.             width  = self.ui.graphicsView.width()

  2340.             height = self.ui.graphicsView.height()

  2341.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  2342.             self.ui.tabWidget.blockSignals(False)

  2343. 

  2344.         self.scene.updateLimits()

  2345. 

  2346.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  2347. 

  2348.     @pyqtSlot(float, float)

  2349.     def slot_miniCanvasMoved(self, xp, yp):

  2350.         hsb = self.ui.graphicsView.horizontalScrollBar()

  2351.         vsb = self.ui.graphicsView.verticalScrollBar()

  2352.         hsb.setValue(xp * hsb.maximum())

  2353.         vsb.setValue(yp * vsb.maximum())

  2354.         self.updateCanvasInitialPos()

  2355. 

  2356.     # --------------------------------------------------------------------------------------------------------

  2357.     # Logs autoscroll, save and clear

  2358. 

  2359.     @pyqtSlot(int)

  2360.     def slot_toggleLogAutoscroll(self, checkState):

  2361.         self.autoscrollOnNewLog = checkState == Qt.Checked

  2362.         if self.autoscrollOnNewLog:

  2363.             self.ui.text_logs.verticalScrollBar().setValue(self.ui.text_logs.verticalScrollBar().maximum())

  2364. 

  2365.     @pyqtSlot(int)

  2366.     def slot_logSliderMoved(self, slider_pos):

  2367.         if self.ui.text_logs.verticalScrollBar().hasTracking() or self.autoscrollOnNewLog:

  2368.             self.lastLogSliderPos = slider_pos

  2369.         else:

  2370.             self.ui.text_logs.verticalScrollBar().setValue(self.lastLogSliderPos)

  2371. 

  2372.     @pyqtSlot()

  2373.     def slot_logButtonsState(self, enabled=True):

  2374.         self.ui.logs_clear.setEnabled(enabled)

  2375.         self.ui.logs_save.setEnabled(enabled)

  2376. 

  2377.     @pyqtSlot()

  2378.     def slot_logSave(self):

  2379.         filename = os.path.join(self.fSavedSettings[CARLA_KEY_MAIN_PROJECT_FOLDER], 'carla_log.txt')

  2380.         filename, _ = QFileDialog.getSaveFileName(self, self.tr("Save Logs"), filename)

  2381. 

  2382.         if not filename:

  2383.             return

  2384. 

  2385.         try:

  2386.             with open(filename, "w") as logfile:

  2387.                 logfile.write(self.ui.text_logs.toPlainText())

  2388.                 logfile.close()

  2389.         except:

  2390.             return

  2391. 

  2392.     @pyqtSlot()

  2393.     def slot_logClear(self):

  2394.         self.ui.text_logs.clear()

  2395.         self.ui.text_logs.appendPlainText("======= Logs cleared ========")

  2396.         self.slot_logButtonsState(False)

  2397. 

  2398.     # --------------------------------------------------------------------------------------------------------

  2399.     # Timers

  2400. 

  2401.     def startTimers(self):

  2402.         if self.fIdleTimerFast == 0:

  2403.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2404. 

  2405.         if self.fIdleTimerSlow == 0:

  2406.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2407. 

  2408.     def restartTimersIfNeeded(self):

  2409.         if self.fIdleTimerFast != 0:

  2410.             self.killTimer(self.fIdleTimerFast)

  2411.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2412. 

  2413.         if self.fIdleTimerSlow != 0:

  2414.             self.killTimer(self.fIdleTimerSlow)

  2415.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2416. 

  2417.     def killTimers(self):

  2418.         if self.fIdleTimerFast != 0:

  2419.             self.killTimer(self.fIdleTimerFast)

  2420.             self.fIdleTimerFast = 0

  2421. 

  2422.         if self.fIdleTimerSlow != 0:

  2423.             self.killTimer(self.fIdleTimerSlow)

  2424.             self.fIdleTimerSlow = 0

  2425. 

  2426.     # --------------------------------------------------------------------------------------------------------

  2427.     # Misc

  2428. 

  2429.     @pyqtSlot(int)

  2430.     def slot_tabChanged(self, index):

  2431.         if index != 1:

  2432.             return

  2433. 

  2434.         self.ui.graphicsView.setFocus()

  2435. 

  2436.     @pyqtSlot(int)

  2437.     def slot_handleReloadAllCallback(self, pluginId):

  2438.         if pluginId >= self.fPluginCount:

  2439.             return

  2440. 

  2441.         pitem = self.fPluginList[pluginId]

  2442.         if pitem is None:

  2443.             return

  2444. 

  2445.         pitem.recreateWidget()

  2446. 

  2447.     # --------------------------------------------------------------------------------------------------------

  2448. 

  2449.     @pyqtSlot(int, int, str)

  2450.     def slot_handleNSMCallback(self, opcode, valueInt, valueStr):

  2451.         if opcode == NSM_CALLBACK_INIT:

  2452.             return

  2453. 

  2454.         # Error

  2455.         elif opcode == NSM_CALLBACK_ERROR:

  2456.             pass

  2457. 

  2458.         # Reply

  2459.         elif opcode == NSM_CALLBACK_ANNOUNCE:

  2460.             self.fFirstEngineInit    = False

  2461.             self.fSessionManagerName = valueStr

  2462.             self.setProperWindowTitle()

  2463. 

  2464.             # If NSM server does not support optional-gui, revert our initial assumptions that it does

  2465.             if (valueInt & (1 << 1)) == 0x0:

  2466.                 self.fWindowCloseHideGui = False

  2467.                 self.ui.act_file_quit.setText(self.tr("&Quit"))

  2468.                 QApplication.instance().setQuitOnLastWindowClosed(True)

  2469.                 self.show()

  2470. 

  2471.         # Open

  2472.         elif opcode == NSM_CALLBACK_OPEN:

  2473.             self.fClientName      = os.path.basename(valueStr)

  2474.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  2475.             self.setProperWindowTitle()

  2476. 

  2477.             self.fCustomStopAction = self.CUSTOM_ACTION_PROJECT_LOAD

  2478.             self.slot_engineStop(True)

  2479.             return

  2480. 

  2481.         # Save

  2482.         elif opcode == NSM_CALLBACK_SAVE:

  2483.             self.saveProjectNow()

  2484. 

  2485.         # Session is Loaded

  2486.         elif opcode == NSM_CALLBACK_SESSION_IS_LOADED:

  2487.             pass

  2488. 

  2489.         # Show Optional Gui

  2490.         elif opcode == NSM_CALLBACK_SHOW_OPTIONAL_GUI:

  2491.             self.show()

  2492. 

  2493.         # Hide Optional Gui

  2494.         elif opcode == NSM_CALLBACK_HIDE_OPTIONAL_GUI:

  2495.             self.hideForNSM()

  2496. 

  2497.         self.host.nsm_ready(opcode)

  2498. 

  2499.     # --------------------------------------------------------------------------------------------------------

  2500. 

  2501.     def fixLogText(self, text):

  2502.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  2503. 

  2504.     @pyqtSlot(int, int, int, int, float, str)

  2505.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valuef, valueStr):

  2506.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  2507. 

  2508.     @pyqtSlot(str)

  2509.     def slot_handleInfoCallback(self, info):

  2510.         QMessageBox.information(self, "Information", info)

  2511. 

  2512.     @pyqtSlot(str)

  2513.     def slot_handleErrorCallback(self, error):

  2514.         QMessageBox.critical(self, "Error", error)

  2515. 

  2516.     @pyqtSlot()

  2517.     def slot_handleQuitCallback(self):

  2518.         self.fIsProjectLoading = False

  2519.         self.killTimers()

  2520.         self.removeAllPlugins()

  2521.         self.projectLoadingFinished()

  2522. 

  2523.     @pyqtSlot(int)

  2524.     def slot_handleInlineDisplayRedrawCallback(self, pluginId):

  2525.         # FIXME

  2526.         if self.fIdleTimerSlow != 0 and self.fIdleTimerFast != 0 and pluginId < self.fPluginCount and not self.fIsProjectLoading:

  2527.             patchcanvas.redrawPluginGroup(pluginId)

  2528. 

  2529.     # --------------------------------------------------------------------------------------------------------

  2530. 

  2531.     @pyqtSlot()

  2532.     def slot_handleSIGUSR1(self):

  2533.         print("Got SIGUSR1 -> Saving project now")

  2534.         self.slot_fileSave()

  2535. 

  2536.     @pyqtSlot()

  2537.     def slot_handleSIGTERM(self):

  2538.         print("Got SIGTERM -> Closing now")

  2539.         self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2540.         self.close()

  2541. 

  2542.     # --------------------------------------------------------------------------------------------------------

  2543.     # Internal stuff

  2544. 

  2545.     def getExtraPtr(self, plugin):

  2546.         ptype = plugin['type']

  2547. 

  2548.         if ptype == PLUGIN_LADSPA:

  2549.             uniqueId = plugin['uniqueId']

  2550. 

  2551.             self.maybeLoadRDFs()

  2552. 

  2553.             for rdfItem in self.fLadspaRdfList:

  2554.                 if rdfItem.UniqueID == uniqueId:

  2555.                     return pointer(rdfItem)

  2556. 

  2557.         elif ptype == PLUGIN_SF2:

  2558.             if plugin['name'].lower().endswith(" (16 outputs)"):

  2559.                 return self._true

  2560. 

  2561.         return None

  2562. 

  2563.     def maybeLoadRDFs(self):

  2564.         if not self.fLadspaRdfNeedsUpdate:

  2565.             return

  2566. 

  2567.         self.fLadspaRdfNeedsUpdate = False

  2568.         self.fLadspaRdfList = []

  2569. 

  2570.         if not haveLRDF:

  2571.             return

  2572. 

  2573.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  2574.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  2575. 

  2576.         if os.path.exists(frLadspaFile):

  2577.             frLadspa = open(frLadspaFile, 'r')

  2578. 

  2579.             try:

  2580.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  2581.             except:

  2582.                 pass

  2583. 

  2584.             frLadspa.close()

  2585. 

  2586.     # --------------------------------------------------------------------------------------------------------

  2587. 

  2588.     def getPluginCount(self):

  2589.         return self.fPluginCount

  2590. 

  2591.     def getPluginItem(self, pluginId):

  2592.         if pluginId >= self.fPluginCount:

  2593.             return None

  2594. 

  2595.         pitem = self.fPluginList[pluginId]

  2596.         if pitem is None:

  2597.             return None

  2598.         #if False:

  2599.             #return CarlaRackItem(self, 0, False)

  2600. 

  2601.         return pitem

  2602. 

  2603.     def getPluginEditDialog(self, pluginId):

  2604.         if pluginId >= self.fPluginCount:

  2605.             return None

  2606. 

  2607.         pitem = self.fPluginList[pluginId]

  2608.         if pitem is None:

  2609.             return None

  2610.         if False:

  2611.             return PluginEdit(self, self.host, 0)

  2612. 

  2613.         return pitem.getEditDialog()

  2614. 

  2615.     def getPluginSlotWidget(self, pluginId):

  2616.         if pluginId >= self.fPluginCount:

  2617.             return None

  2618. 

  2619.         pitem = self.fPluginList[pluginId]

  2620.         if pitem is None:

  2621.             return None

  2622.         #if False:

  2623.             #return AbstractPluginSlot()

  2624. 

  2625.         return pitem.getWidget()

  2626. 

  2627.     # --------------------------------------------------------------------------------------------------------

  2628. 

  2629.     def waitForPendingEvents(self):

  2630.         pass

  2631. 

  2632.     # --------------------------------------------------------------------------------------------------------

  2633.     # show/hide event

  2634. 

  2635.     def showEvent(self, event):

  2636.         self.getAndRefreshRuntimeInfo()

  2637.         self.refreshTransport(True)

  2638.         QMainWindow.showEvent(self, event)

  2639. 

  2640.         if QT_VERSION >= 0x50600:

  2641.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_UI_SCALE, int(self.devicePixelRatioF() * 1000), "")

  2642.             print("Frontend pixel ratio is", self.devicePixelRatioF())

  2643. 

  2644.         # set our gui as parent for all plugins UIs

  2645.         if self.host.manageUIs and not self.host.isControl:

  2646.             if MACOS:

  2647.                 nsViewPtr = int(self.winId())

  2648.                 winIdStr  = "%x" % gCarla.utils.cocoa_get_window(nsViewPtr)

  2649.             else:

  2650.                 winIdStr = "%x" % int(self.winId())

  2651.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2652. 

  2653.     def hideEvent(self, event):

  2654.         # disable parent

  2655.         if not self.host.isControl:

  2656.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2657. 

  2658.         QMainWindow.hideEvent(self, event)

  2659. 

  2660.     # --------------------------------------------------------------------------------------------------------

  2661.     # resize event

  2662. 

  2663.     def resizeEvent(self, event):

  2664.         QMainWindow.resizeEvent(self, event)

  2665. 

  2666.         if self.fWithCanvas:

  2667.             self.slot_miniCanvasCheckSize()

  2668. 

  2669.     # --------------------------------------------------------------------------------------------------------

  2670.     # timer event

  2671. 

  2672.     def refreshRuntimeInfo(self, load, xruns):

  2673.         txt1 = str(xruns) if (xruns >= 0) else "--"

  2674.         txt2 = "" if (xruns == 1) else "s"

  2675.         self.ui.b_xruns.setText("%s Xrun%s" % (txt1, txt2))

  2676.         self.ui.pb_dsp_load.setValue(int(load))

  2677. 

  2678.     def getAndRefreshRuntimeInfo(self):

  2679.         if not self.ui.pb_dsp_load.isVisible():

  2680.             return

  2681.         if not self.host.is_engine_running():

  2682.             return

  2683.         info = self.host.get_runtime_engine_info()

  2684.         self.refreshRuntimeInfo(info['load'], info['xruns'])

  2685. 

  2686.     def idleFast(self):

  2687.         self.host.engine_idle()

  2688.         self.refreshTransport()

  2689. 

  2690.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2691.             return

  2692. 

  2693.         for pitem in self.fPluginList:

  2694.             if pitem is None:

  2695.                 break

  2696. 

  2697.             pitem.getWidget().idleFast()

  2698. 

  2699.         for pluginId in self.fSelectedPlugins:

  2700.             self.fPeaksCleared = False

  2701.             if self.ui.peak_in.isVisible():

  2702.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2703.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2704.             if self.ui.peak_out.isVisible():

  2705.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2706.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2707.             return

  2708. 

  2709.         if self.fPeaksCleared:

  2710.             return

  2711. 

  2712.         self.fPeaksCleared = True

  2713.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2714.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2715.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2716.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2717. 

  2718.     def idleSlow(self):

  2719.         self.getAndRefreshRuntimeInfo()

  2720. 

  2721.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2722.             return

  2723. 

  2724.         for pitem in self.fPluginList:

  2725.             if pitem is None:

  2726.                 break

  2727. 

  2728.             pitem.getWidget().idleSlow()

  2729. 

  2730.     def timerEvent(self, event):

  2731.         if event.timerId() == self.fIdleTimerFast:

  2732.             self.idleFast()

  2733. 

  2734.         elif event.timerId() == self.fIdleTimerSlow:

  2735.             self.idleSlow()

  2736. 

  2737.         QMainWindow.timerEvent(self, event)

  2738. 

  2739.     # --------------------------------------------------------------------------------------------------------

  2740.     # color/style change event

  2741. 

  2742.     def changeEvent(self, event):

  2743.         if event.type() in (QEvent.PaletteChange, QEvent.StyleChange):

  2744.             self.updateStyle()

  2745.         QMainWindow.changeEvent(self, event)

  2746. 

  2747.     def updateStyle(self):

  2748.         # Rack padding images setup

  2749.         rack_imgL = QImage(":/bitmaps/rack_padding_left.png")

  2750.         rack_imgR = QImage(":/bitmaps/rack_padding_right.png")

  2751. 

  2752.         min_value = 0.07

  2753. 

  2754.         if PYQT_VERSION >= 0x50600:

  2755.             value_fix = 1.0/(1.0-rack_imgL.scaled(1, 1, Qt.IgnoreAspectRatio, Qt.SmoothTransformation).pixelColor(0,0).blackF())

  2756.         else:

  2757.             value_fix = 1.5

  2758. 

  2759.         rack_pal = self.ui.rack.palette()

  2760.         bg_color = rack_pal.window().color()

  2761.         fg_color = rack_pal.text().color()

  2762.         bg_value = 1.0 - bg_color.blackF()

  2763.         if bg_value != 0.0 and bg_value < min_value:

  2764.             pad_color = bg_color.lighter(100*min_value/bg_value*value_fix)

  2765.         else:

  2766.             pad_color = QColor.fromHsvF(0.0, 0.0, min_value*value_fix)

  2767. 

  2768.         painter = QPainter()

  2769.         fillRect = rack_imgL.rect().adjusted(-1,-1,1,1)

  2770. 

  2771.         painter.begin(rack_imgL)

  2772.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2773.         painter.setBrush(pad_color)

  2774.         painter.drawRect(fillRect)

  2775.         painter.end()

  2776.         rack_pixmapL = QPixmap(rack_imgL)

  2777.         self.imgL_palette = QPalette()

  2778.         self.imgL_palette.setBrush(QPalette.Window, QBrush(rack_pixmapL))

  2779.         self.ui.pad_left.setPalette(self.imgL_palette)

  2780.         self.ui.pad_left.setAutoFillBackground(True)

  2781. 

  2782.         painter.begin(rack_imgR)

  2783.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2784.         painter.setBrush(pad_color)

  2785.         painter.drawRect(fillRect)

  2786.         painter.end()

  2787.         rack_pixmapR = QPixmap(rack_imgR)

  2788.         self.imgR_palette = QPalette()

  2789.         self.imgR_palette.setBrush(QPalette.Window, QBrush(rack_pixmapR))

  2790.         self.ui.pad_right.setPalette(self.imgR_palette)

  2791.         self.ui.pad_right.setAutoFillBackground(True)

  2792. 

  2793.         # qt's rgba is actually argb, so convert that

  2794.         bg_color_value = bg_color.rgba()

  2795.         bg_color_value = ((bg_color_value & 0xffffff) << 8) | (bg_color_value >> 24)

  2796. 

  2797.         fg_color_value = fg_color.rgba()

  2798.         fg_color_value = ((fg_color_value & 0xffffff) << 8) | (fg_color_value >> 24)

  2799. 

  2800.         self.host.set_engine_option(ENGINE_OPTION_FRONTEND_BACKGROUND_COLOR, bg_color_value, "")

  2801.         self.host.set_engine_option(ENGINE_OPTION_FRONTEND_FOREGROUND_COLOR, fg_color_value, "")

  2802. 

  2803.     # --------------------------------------------------------------------------------------------------------

  2804.     # paint event

  2805. 

  2806.     #def paintEvent(self, event):

  2807.         #QMainWindow.paintEvent(self, event)

  2808. 

  2809.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2810.             #return

  2811. 

  2812.         #painter = QPainter(self)

  2813.         #painter.setBrush(QColor(36, 36, 36))

  2814.         #painter.setPen(QColor(62, 62, 62))

  2815.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2816. 

  2817.     # --------------------------------------------------------------------------------------------------------

  2818.     # close event

  2819. 

  2820.     def shouldIgnoreClose(self):

  2821.         if self.host.isControl or self.host.isPlugin:

  2822.             return False

  2823.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  2824.             return False

  2825.         if self.fWindowCloseHideGui:

  2826.             return False

  2827.         if self.fSavedSettings[CARLA_KEY_MAIN_CONFIRM_EXIT]:

  2828.             return QMessageBox.question(self, self.tr("Quit"),

  2829.                                               self.tr("Are you sure you want to quit Carla?"),

  2830.                                               QMessageBox.Yes|QMessageBox.No) == QMessageBox.No

  2831.         return False

  2832. 

  2833.     def closeEvent(self, event):

  2834.         if self.shouldIgnoreClose():

  2835.             event.ignore()

  2836.             return

  2837. 

  2838.         if self.fWindowCloseHideGui and self.fCustomStopAction != self.CUSTOM_ACTION_APP_CLOSE:

  2839.             self.hideForNSM()

  2840.             self.host.nsm_ready(NSM_CALLBACK_HIDE_OPTIONAL_GUI)

  2841.             return

  2842. 

  2843.         patchcanvas.handleAllPluginsRemoved()

  2844. 

  2845.         if MACOS and self.fMacClosingHelper and not (self.host.isControl or self.host.isPlugin):

  2846.             self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2847.             self.fMacClosingHelper = False

  2848.             event.ignore()

  2849. 

  2850.             for i in reversed(range(self.fPluginCount)):

  2851.                 self.host.show_custom_ui(i, False)

  2852. 

  2853.             QTimer.singleShot(100, self.close)

  2854.             return

  2855. 

  2856.         self.killTimers()

  2857.         self.saveSettings()

  2858. 

  2859.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  2860.             if not self.slot_engineStop(True):

  2861.                 self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2862.                 event.ignore()

  2863.                 return

  2864. 

  2865.         QMainWindow.closeEvent(self, event)

  2866. 

  2867.         # if we reach this point, fully close ourselves

  2868.         gCarla.gui = None

  2869.         QApplication.instance().quit()

  2870. 

  2871. # ------------------------------------------------------------------------------------------------

  2872. # Canvas callback

  2873. 

  2874. def canvasCallback(action, value1, value2, valueStr):

  2875.     host = gCarla.gui.host

  2876. 

  2877.     if gCarla.gui.fCustomStopAction == HostWindow.CUSTOM_ACTION_APP_CLOSE:

  2878.         return

  2879. 

  2880.     if action == patchcanvas.ACTION_GROUP_INFO:

  2881.         pass

  2882. 

  2883.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  2884.         pass

  2885. 

  2886.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  2887.         groupId = value1

  2888.         patchcanvas.splitGroup(groupId)

  2889.         gCarla.gui.updateMiniCanvasLater()

  2890. 

  2891.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  2892.         groupId = value1

  2893.         patchcanvas.joinGroup(groupId)

  2894.         gCarla.gui.updateMiniCanvasLater()

  2895. 

  2896.     elif action == patchcanvas.ACTION_GROUP_POSITION:

  2897.         if gCarla.gui.fIsProjectLoading:

  2898.             return

  2899.         if not host.is_engine_running():

  2900.             return

  2901.         groupId = value1

  2902.         x1, y1, x2, y2 = tuple(int(i) for i in valueStr.split(":"))

  2903.         host.patchbay_set_group_pos(gCarla.gui.fExternalPatchbay, groupId, x1, y1, x2, y2)

  2904.         gCarla.gui.updateMiniCanvasLater()

  2905. 

  2906.     elif action == patchcanvas.ACTION_PORT_INFO:

  2907.         pass

  2908. 

  2909.     elif action == patchcanvas.ACTION_PORT_RENAME:

  2910.         pass

  2911. 

  2912.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  2913.         gOut, pOut, gIn, pIn = tuple(int(i) for i in valueStr.split(":"))

  2914. 

  2915.         if not host.patchbay_connect(gCarla.gui.fExternalPatchbay, gOut, pOut, gIn, pIn):

  2916.             print("Connection failed:", host.get_last_error())

  2917. 

  2918.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  2919.         connectionId = value1

  2920. 

  2921.         if not host.patchbay_disconnect(gCarla.gui.fExternalPatchbay, connectionId):

  2922.             print("Disconnect failed:", host.get_last_error())

  2923. 

  2924.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  2925.         pluginId = value1

  2926. 

  2927.         if not host.clone_plugin(pluginId):

  2928.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2929.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2930. 

  2931.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  2932.         pluginId = value1

  2933.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2934. 

  2935.         if pwidget is not None:

  2936.             pwidget.showEditDialog()

  2937. 

  2938.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  2939.         pluginId = value1

  2940.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2941. 

  2942.         if pwidget is not None:

  2943.             pwidget.showRenameDialog()

  2944. 

  2945.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  2946.         pluginId = value1

  2947.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2948. 

  2949.         if pwidget is not None:

  2950.             pwidget.showReplaceDialog()

  2951. 

  2952.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  2953.         pluginId = value1

  2954. 

  2955.         if not host.remove_plugin(pluginId):

  2956.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2957.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2958. 

  2959.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  2960.         pluginId = value1

  2961.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2962. 

  2963.         if pwidget is not None:

  2964.             pwidget.showCustomUI()

  2965. 

  2966.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  2967.         gCarla.gui.slot_showPluginActionsMenu()

  2968. 

  2969.     elif action == patchcanvas.ACTION_INLINE_DISPLAY:

  2970.         if gCarla.gui.fIsProjectLoading:

  2971.             return

  2972.         if not host.is_engine_running():

  2973.             return

  2974.         pluginId = value1

  2975.         width, height = [int(v) for v in valueStr.split(":")]

  2976.         return host.render_inline_display(pluginId, width, height)

  2977. 

  2978. # ------------------------------------------------------------------------------------------------------------

  2979. # Engine callback

  2980. 

  2981. def engineCallback(host, action, pluginId, value1, value2, value3, valuef, valueStr):

  2982.     # kdevelop likes this :)

  2983.     if False: host = CarlaHostNull()

  2984. 

  2985.     valueStr = charPtrToString(valueStr)

  2986. 

  2987.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  2988.         host.processMode   = value1

  2989.         host.transportMode = value2

  2990.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2991.         host.processMode   = value1

  2992.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2993.         host.transportMode  = value1

  2994.         host.transportExtra = valueStr

  2995. 

  2996.     if action == ENGINE_CALLBACK_DEBUG:

  2997.         host.DebugCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  2998.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  2999.         host.PluginAddedCallback.emit(pluginId, valueStr)

  3000.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  3001.         host.PluginRemovedCallback.emit(pluginId)

  3002.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  3003.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  3004.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  3005.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  3006.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  3007.         host.ParameterValueChangedCallback.emit(pluginId, value1, valuef)

  3008.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  3009.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, valuef)

  3010.     elif action == ENGINE_CALLBACK_PARAMETER_MAPPED_CONTROL_INDEX_CHANGED:

  3011.         host.ParameterMappedControlIndexChangedCallback.emit(pluginId, value1, value2)

  3012.     elif action == ENGINE_CALLBACK_PARAMETER_MAPPED_RANGE_CHANGED:

  3013.         minimum, maximum = (float(v) for v in valueStr.split(":", 2))

  3014.         host.ParameterMappedRangeChangedCallback.emit(pluginId, value1, minimum, maximum)

  3015.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  3016.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  3017.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  3018.         host.ProgramChangedCallback.emit(pluginId, value1)

  3019.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  3020.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  3021.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  3022.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  3023.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  3024.         host.UiStateChangedCallback.emit(pluginId, value1)

  3025.     elif action == ENGINE_CALLBACK_NOTE_ON:

  3026.         host.NoteOnCallback.emit(pluginId, value1, value2, value3)

  3027.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  3028.         host.NoteOffCallback.emit(pluginId, value1, value2)

  3029.     elif action == ENGINE_CALLBACK_UPDATE:

  3030.         host.UpdateCallback.emit(pluginId)

  3031.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  3032.         host.ReloadInfoCallback.emit(pluginId)

  3033.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  3034.         host.ReloadParametersCallback.emit(pluginId)

  3035.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  3036.         host.ReloadProgramsCallback.emit(pluginId)

  3037.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  3038.         host.ReloadAllCallback.emit(pluginId)

  3039.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  3040.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  3041.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  3042.         host.PatchbayClientRemovedCallback.emit(pluginId)

  3043.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  3044.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  3045.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  3046.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  3047.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_POSITION_CHANGED:

  3048.         host.PatchbayClientPositionChangedCallback.emit(pluginId, value1, value2, value3, int(round(valuef)))

  3049.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  3050.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, value3, valueStr)

  3051.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  3052.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  3053.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_CHANGED:

  3054.         host.PatchbayPortChangedCallback.emit(pluginId, value1, value2, value3, valueStr)

  3055.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_ADDED:

  3056.         host.PatchbayPortGroupAddedCallback.emit(pluginId, value1, value2, valueStr)

  3057.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_REMOVED:

  3058.         host.PatchbayPortGroupRemovedCallback.emit(pluginId, value1)

  3059.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_CHANGED:

  3060.         host.PatchbayPortGroupChangedCallback.emit(pluginId, value1, value2, valueStr)

  3061.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  3062.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  3063.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  3064.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  3065.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  3066.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  3067.         host.EngineStartedCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  3068.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  3069.         host.EngineStoppedCallback.emit()

  3070.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  3071.         host.ProcessModeChangedCallback.emit(value1)

  3072.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  3073.         host.TransportModeChangedCallback.emit(value1, valueStr)

  3074.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  3075.         host.BufferSizeChangedCallback.emit(value1)

  3076.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  3077.         host.SampleRateChangedCallback.emit(valuef)

  3078.     elif action == ENGINE_CALLBACK_CANCELABLE_ACTION:

  3079.         host.CancelableActionCallback.emit(pluginId, bool(value1 != 0), valueStr)

  3080.     elif action == ENGINE_CALLBACK_PROJECT_LOAD_FINISHED:

  3081.         host.ProjectLoadFinishedCallback.emit()

  3082.     elif action == ENGINE_CALLBACK_NSM:

  3083.         host.NSMCallback.emit(value1, value2, valueStr)

  3084.     elif action == ENGINE_CALLBACK_IDLE:

  3085.         QApplication.processEvents()

  3086.     elif action == ENGINE_CALLBACK_INFO:

  3087.         host.InfoCallback.emit(valueStr)

  3088.     elif action == ENGINE_CALLBACK_ERROR:

  3089.         host.ErrorCallback.emit(valueStr)

  3090.     elif action == ENGINE_CALLBACK_QUIT:

  3091.         host.QuitCallback.emit()

  3092.     elif action == ENGINE_CALLBACK_INLINE_DISPLAY_REDRAW:

  3093.         host.InlineDisplayRedrawCallback.emit(pluginId)

  3094.     else:

  3095.         print("unhandled action", action)

  3096. 

  3097. # ------------------------------------------------------------------------------------------------------------

  3098. # File callback

  3099. 

  3100. def fileCallback(ptr, action, isDir, title, filter):

  3101.     title  = charPtrToString(title)

  3102.     filter = charPtrToString(filter)

  3103. 

  3104.     if action == FILE_CALLBACK_OPEN:

  3105.         ret, ok = QFileDialog.getOpenFileName(gCarla.gui, title, "", filter) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  3106.     elif action == FILE_CALLBACK_SAVE:

  3107.         ret, ok = QFileDialog.getSaveFileName(gCarla.gui, title, "", filter, QFileDialog.ShowDirsOnly if isDir else 0x0)

  3108.     else:

  3109.         ret, ok = ("", "")

  3110. 

  3111.     # FIXME use ok value, test if it works as expected

  3112.     if not ret:

  3113.         return None

  3114. 

  3115.     # FIXME

  3116.     global fileRet

  3117.     fileRet = c_char_p(ret.encode("utf-8"))

  3118.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  3119.     return retval.contents.value

  3120. 

  3121. # ------------------------------------------------------------------------------------------------------------

  3122. # Init host

  3123. 

  3124. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  3125.     pathBinaries, pathResources = getPaths(libPrefix)

  3126. 

  3127.     # --------------------------------------------------------------------------------------------------------

  3128.     # Fail if binary dir is not found

  3129. 

  3130.     if not os.path.exists(pathBinaries):

  3131.         if failError:

  3132.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  3133.             sys.exit(1)

  3134.         return

  3135. 

  3136.     # --------------------------------------------------------------------------------------------------------

  3137.     # Check if we should open main lib as local or global

  3138. 

  3139.     settings = QSafeSettings("falkTX", "Carla2")

  3140. 

  3141.     loadGlobal = settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL, CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL, bool)

  3142. 

  3143.     # --------------------------------------------------------------------------------------------------------

  3144.     # Set Carla library name

  3145. 

  3146.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  3147.     libname   = os.path.join(pathBinaries, libname)

  3148.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  3149. 

  3150.     # --------------------------------------------------------------------------------------------------------

  3151.     # Print info

  3152. 

  3153.     if not (gCarla.nogui and isinstance(gCarla.nogui, int)):

  3154.         print("Carla %s started, status:" % VERSION)

  3155.         print("  Python version: %s" % sys.version.split(" ",1)[0])

  3156.         print("  Qt version:     %s" % QT_VERSION_STR)

  3157.         print("  PyQt version:   %s" % PYQT_VERSION_STR)

  3158.         print("  Binary dir:     %s" % pathBinaries)

  3159.         print("  Resources dir:  %s" % pathResources)

  3160. 

  3161.     # --------------------------------------------------------------------------------------------------------

  3162.     # Init host

  3163. 

  3164.     if failError:

  3165.         # no try

  3166.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  3167.     else:

  3168.         try:

  3169.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  3170.         except:

  3171.             host = CarlaHostQtNull()

  3172. 

  3173.     host.isControl = isControl

  3174.     host.isPlugin  = isPlugin

  3175. 

  3176.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vf,vs: engineCallback(host,a,p,v1,v2,v3,vf,vs))

  3177.     host.set_file_callback(fileCallback)

  3178. 

  3179.     # If it's a plugin the paths are already set

  3180.     if not isPlugin:

  3181.         host.pathBinaries  = pathBinaries

  3182.         host.pathResources = pathResources

  3183.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  3184.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  3185. 

  3186.         if not isControl:

  3187.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  3188. 

  3189.     # --------------------------------------------------------------------------------------------------------

  3190.     # Init utils

  3191. 

  3192.     gCarla.utils = CarlaUtils(utilsname)

  3193.     gCarla.utils.set_process_name(os.path.basename(initName))

  3194. 

  3195.     try:

  3196.         sys.stdout.flush()

  3197.     except:

  3198.         pass

  3199. 

  3200.     sys.stdout = CarlaPrint(False)

  3201.     sys.stderr = CarlaPrint(True)

  3202.     sys.excepthook = sys_excepthook

  3203. 

  3204.     # --------------------------------------------------------------------------------------------------------

  3205.     # Done

  3206. 

  3207.     return host

  3208. 

  3209. # ------------------------------------------------------------------------------------------------------------

  3210. # Load host settings

  3211. 

  3212. def loadHostSettings(host):

  3213.     # kdevelop likes this :)

  3214.     if False: host = CarlaHostNull()

  3215. 

  3216.     settings = QSafeSettings("falkTX", "Carla2")

  3217. 

  3218.     host.experimental = settings.value(CARLA_KEY_MAIN_EXPERIMENTAL, CARLA_DEFAULT_MAIN_EXPERIMENTAL, bool)

  3219.     host.exportLV2 = settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2, CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT, bool)

  3220.     host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, bool)

  3221.     host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, int)

  3222.     host.resetXruns = settings.value(CARLA_KEY_ENGINE_RESET_XRUNS, CARLA_DEFAULT_RESET_XRUNS, bool)

  3223.     host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, bool)

  3224.     host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, bool)

  3225.     host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, bool)

  3226.     host.preventBadBehaviour = settings.value(CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, bool)

  3227.     host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, bool) and not WINDOWS

  3228.     host.showPluginBridges = settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, bool)

  3229.     host.showWineBridges = settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, bool)

  3230.     host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, int)

  3231.     host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, bool)

  3232. 

  3233.     if host.isPlugin:

  3234.         return

  3235. 

  3236.     host.transportExtra = settings.value(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, "", str)

  3237. 

  3238.     # enums

  3239.     if host.audioDriverForced is None:

  3240.         host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, int)

  3241. 

  3242.     if not host.processModeForced:

  3243.         host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, int)

  3244. 

  3245.     host.nextProcessMode = host.processMode

  3246. 

  3247.     # --------------------------------------------------------------------------------------------------------

  3248.     # fix things if needed

  3249. 

  3250.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  3251.         if LADISH_APP_NAME:

  3252.             print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  3253.             host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  3254. 

  3255.         else:

  3256.             host.transportMode = ENGINE_TRANSPORT_MODE_JACK

  3257. 

  3258.     if gCarla.nogui:

  3259.         host.showLogs = False

  3260. 

  3261.     # --------------------------------------------------------------------------------------------------------

  3262.     # run headless host now if nogui option enabled

  3263. 

  3264.     if gCarla.nogui:

  3265.         runHostWithoutUI(host)

  3266. 

  3267. # ------------------------------------------------------------------------------------------------------------

  3268. # Set host settings

  3269. 

  3270. def setHostSettings(host):

  3271.     # kdevelop likes this :)

  3272.     if False: host = CarlaHostNull()

  3273. 

  3274.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  3275.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  3276.     host.set_engine_option(ENGINE_OPTION_RESET_XRUNS,           host.resetXruns,          "")

  3277.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  3278.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  3279.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  3280.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  3281.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  3282. 

  3283.     if host.isPlugin or host.isRemote or host.is_engine_running():

  3284.         return

  3285. 

  3286.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  3287.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       host.transportExtra)

  3288.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  3289. 

  3290.     if not (NSM_URL and host.nsmOK):

  3291.         host.set_engine_option(ENGINE_OPTION_CLIENT_NAME_PREFIX, 0, gCarla.cnprefix)

  3292. 

  3293. # ------------------------------------------------------------------------------------------------------------

  3294. # Set Engine settings according to carla preferences. Returns selected audio driver.

  3295. 

  3296. def setEngineSettings(host, oscPort = None):

  3297.     # kdevelop likes this :)

  3298.     if False: host = CarlaHostNull()

  3299. 

  3300.     # --------------------------------------------------------------------------------------------------------

  3301.     # do nothing if control

  3302. 

  3303.     if host.isControl:

  3304.         return "Control"

  3305. 

  3306.     # --------------------------------------------------------------------------------------------------------

  3307. 

  3308.     settings = QSafeSettings("falkTX", "Carla2")

  3309. 

  3310.     # --------------------------------------------------------------------------------------------------------

  3311.     # main settings

  3312. 

  3313.     setHostSettings(host)

  3314. 

  3315.     # --------------------------------------------------------------------------------------------------------

  3316.     # file paths

  3317. 

  3318.     FILE_PATH_AUDIO = settings.value(CARLA_KEY_PATHS_AUDIO, CARLA_DEFAULT_FILE_PATH_AUDIO, list)

  3319.     FILE_PATH_MIDI  = settings.value(CARLA_KEY_PATHS_MIDI,  CARLA_DEFAULT_FILE_PATH_MIDI, list)

  3320. 

  3321.     host.set_engine_option(ENGINE_OPTION_FILE_PATH, FILE_AUDIO, splitter.join(FILE_PATH_AUDIO))

  3322.     host.set_engine_option(ENGINE_OPTION_FILE_PATH, FILE_MIDI,  splitter.join(FILE_PATH_MIDI))

  3323. 

  3324.     # --------------------------------------------------------------------------------------------------------

  3325.     # plugin paths

  3326. 

  3327.     LADSPA_PATH = settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH, list)

  3328.     DSSI_PATH   = settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH, list)

  3329.     LV2_PATH    = settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH, list)

  3330.     VST2_PATH   = settings.value(CARLA_KEY_PATHS_VST2,   CARLA_DEFAULT_VST2_PATH, list)

  3331.     VST3_PATH   = settings.value(CARLA_KEY_PATHS_VST3,   CARLA_DEFAULT_VST3_PATH, list)

  3332.     SF2_PATH    = settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH, list)

  3333.     SFZ_PATH    = settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH, list)

  3334. 

  3335.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  3336.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  3337.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  3338.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2,   splitter.join(VST2_PATH))

  3339.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST3,   splitter.join(VST3_PATH))

  3340.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  3341.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  3342. 

  3343.     # --------------------------------------------------------------------------------------------------------

  3344.     # don't continue if plugin

  3345. 

  3346.     if host.isPlugin:

  3347.         return "Plugin"

  3348. 

  3349.     # --------------------------------------------------------------------------------------------------------

  3350.     # osc settings

  3351. 

  3352.     if oscPort is not None and isinstance(oscPort, int):

  3353.         oscEnabled = True

  3354.         portNumTCP = portNumUDP = oscPort

  3355. 

  3356.     else:

  3357.         oscEnabled = settings.value(CARLA_KEY_OSC_ENABLED, CARLA_DEFAULT_OSC_ENABLED, bool)

  3358. 

  3359.         if not settings.value(CARLA_KEY_OSC_TCP_PORT_ENABLED, CARLA_DEFAULT_OSC_TCP_PORT_ENABLED, bool):

  3360.             portNumTCP = -1

  3361.         elif settings.value(CARLA_KEY_OSC_TCP_PORT_RANDOM, CARLA_DEFAULT_OSC_TCP_PORT_RANDOM, bool):

  3362.             portNumTCP = 0

  3363.         else:

  3364.             portNumTCP = settings.value(CARLA_KEY_OSC_TCP_PORT_NUMBER, CARLA_DEFAULT_OSC_TCP_PORT_NUMBER, int)

  3365. 

  3366.         if not settings.value(CARLA_KEY_OSC_UDP_PORT_ENABLED, CARLA_DEFAULT_OSC_UDP_PORT_ENABLED, bool):

  3367.             portNumUDP = -1

  3368.         elif settings.value(CARLA_KEY_OSC_UDP_PORT_RANDOM, CARLA_DEFAULT_OSC_UDP_PORT_RANDOM, bool):

  3369.             portNumUDP = 0

  3370.         else:

  3371.             portNumUDP = settings.value(CARLA_KEY_OSC_UDP_PORT_NUMBER, CARLA_DEFAULT_OSC_UDP_PORT_NUMBER, int)

  3372. 

  3373.     host.set_engine_option(ENGINE_OPTION_OSC_ENABLED, 1 if oscEnabled else 0, "")

  3374.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_TCP, portNumTCP, "")

  3375.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_UDP, portNumUDP, "")

  3376. 

  3377.     # --------------------------------------------------------------------------------------------------------

  3378.     # wine settings

  3379. 

  3380.     optWineExecutable = settings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, str)

  3381.     optWineAutoPrefix = settings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, bool)

  3382.     optWineFallbackPrefix = settings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, str)

  3383.     optWineRtPrioEnabled = settings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, bool)

  3384.     optWineBaseRtPrio = settings.value(CARLA_KEY_WINE_BASE_RT_PRIO,   CARLA_DEFAULT_WINE_BASE_RT_PRIO, int)

  3385.     optWineServerRtPrio = settings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, int)

  3386. 

  3387.     host.set_engine_option(ENGINE_OPTION_WINE_EXECUTABLE, 0, optWineExecutable)

  3388.     host.set_engine_option(ENGINE_OPTION_WINE_AUTO_PREFIX, 1 if optWineAutoPrefix else 0, "")

  3389.     host.set_engine_option(ENGINE_OPTION_WINE_FALLBACK_PREFIX, 0, os.path.expanduser(optWineFallbackPrefix))

  3390.     host.set_engine_option(ENGINE_OPTION_WINE_RT_PRIO_ENABLED, 1 if optWineRtPrioEnabled else 0, "")

  3391.     host.set_engine_option(ENGINE_OPTION_WINE_BASE_RT_PRIO, optWineBaseRtPrio, "")

  3392.     host.set_engine_option(ENGINE_OPTION_WINE_SERVER_RT_PRIO, optWineServerRtPrio, "")

  3393. 

  3394.     # --------------------------------------------------------------------------------------------------------

  3395.     # driver and device settings

  3396. 

  3397.     # driver name

  3398.     if host.audioDriverForced is not None:

  3399.         audioDriver = host.audioDriverForced

  3400.     else:

  3401.         try:

  3402.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, str)

  3403.         except:

  3404.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  3405. 

  3406.     # driver options

  3407.     audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", str)

  3408.     audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, int)

  3409.     audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, int)

  3410.     audioTripleBuffer = settings.value("%s%s/TripleBuffer" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER, bool)

  3411. 

  3412.     # Only setup audio things if engine is not running

  3413.     if not host.is_engine_running():

  3414.         host.set_engine_option(ENGINE_OPTION_AUDIO_DRIVER, 0, audioDriver)

  3415.         host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE, 0, audioDevice)

  3416. 

  3417.         if not audioDriver.startswith("JACK"):

  3418.             host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  3419.             host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  3420.             host.set_engine_option(ENGINE_OPTION_AUDIO_TRIPLE_BUFFER, 1 if audioTripleBuffer else 0, "")

  3421. 

  3422.     # --------------------------------------------------------------------------------------------------------

  3423.     # fix things if needed

  3424. 

  3425.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  3426.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  3427.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, host.transportExtra)

  3428. 

  3429.     # --------------------------------------------------------------------------------------------------------

  3430.     # return selected driver name

  3431. 

  3432.     return audioDriver

  3433. 

  3434. # ------------------------------------------------------------------------------------------------------------

  3435. # Run Carla without showing UI

  3436. 

  3437. def runHostWithoutUI(host):

  3438.     # kdevelop likes this :)

  3439.     if False: host = CarlaHostNull()

  3440. 

  3441.     # --------------------------------------------------------------------------------------------------------

  3442.     # Some initial checks

  3443. 

  3444.     if not gCarla.nogui:

  3445.         return

  3446. 

  3447.     projectFile = getInitialProjectFile(True)

  3448. 

  3449.     if not isinstance(gCarla.nogui, int):

  3450.         oscPort = None

  3451. 

  3452.         if not projectFile:

  3453.             print("Carla no-gui mode can only be used together with a project file.")

  3454.             sys.exit(1)

  3455. 

  3456.     else:

  3457.         oscPort = gCarla.nogui

  3458. 

  3459.     # --------------------------------------------------------------------------------------------------------

  3460.     # Additional imports

  3461. 

  3462.     from time import sleep

  3463. 

  3464.     # --------------------------------------------------------------------------------------------------------

  3465.     # Init engine

  3466. 

  3467.     audioDriver = setEngineSettings(host, oscPort)

  3468.     if not host.engine_init(audioDriver, "Carla"):

  3469.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  3470.         sys.exit(1)

  3471. 

  3472.     if projectFile and not host.load_project(projectFile):

  3473.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  3474.         host.engine_close()

  3475.         sys.exit(1)

  3476. 

  3477.     # --------------------------------------------------------------------------------------------------------

  3478.     # Idle

  3479. 

  3480.     print("Carla ready!")

  3481. 

  3482.     while host.is_engine_running() and not gCarla.term:

  3483.         host.engine_idle()

  3484.         sleep(0.0333) # 30 Hz

  3485. 

  3486.     # --------------------------------------------------------------------------------------------------------

  3487.     # Stop

  3488. 

  3489.     host.engine_close()

  3490.     sys.exit(0)

  3491. 

  3492. # ------------------------------------------------------------------------------------------------------------