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

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  1. #!/usr/bin/env python3

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

  3. 

  4. # Carla host code

  5. # Copyright (C) 2011-2020 Filipe Coelho <falktx@falktx.com>

  6. #

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

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

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

  10. # the License, or any later version.

  11. #

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

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

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

  15. # GNU General Public License for more details.

  16. #

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

  18. 

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

  20. # Imports (Global)

  21. 

  22. import json

  23. 

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

  25. # Imports (ctypes)

  26. 

  27. from ctypes import (

  28.     byref, pointer

  29. )

  30. 

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

  32. # Imports (PyQt5)

  33. 

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

  35. try:

  36.     from PyQt5.Qt import PYQT_VERSION

  37. except ImportError:

  38.     PYQT_VERSION = 0x50600

  39. 

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

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

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

  43. 

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

  45. # Imports (Custom)

  46. 

  47. import ui_carla_host

  48. 

  49. from carla_app import *

  50. from carla_backend_qt import CarlaHostQtDLL, CarlaHostQtNull

  51. from carla_database import *

  52. from carla_settings import *

  53. from carla_utils import *

  54. from carla_widgets import *

  55. 

  56. from patchcanvas import patchcanvas

  57. from widgets.digitalpeakmeter import DigitalPeakMeter

  58. from widgets.pixmapkeyboard import PixmapKeyboardHArea

  59. 

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

  61. # Try Import OpenGL

  62. 

  63. try:

  64.     from PyQt5.QtOpenGL import QGLWidget

  65.     hasGL = True

  66. except:

  67.     hasGL = False

  68. 

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

  70. # Safe exception hook, needed for PyQt5

  71. 

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

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

  74. 

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

  76. # Session Management support

  77. 

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

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

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

  81. 

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

  83. # Small print helper

  84. 

  85. def processMode2Str(processMode):

  86.     if processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT:

  87.         return "Single client"

  88.     if processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  89.         return "Multi client"

  90.     if processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK:

  91.         return "Continuous Rack"

  92.     if processMode == ENGINE_PROCESS_MODE_PATCHBAY:

  93.         return "Patchbay"

  94.     if processMode == ENGINE_PROCESS_MODE_BRIDGE:

  95.         return "Bridge"

  96.     return "Unknown"

  97. 

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

  99. # Carla Print class

  100. 

  101. class CarlaPrint:

  102.     def __init__(self, err):

  103.         self.err = err

  104. 

  105.     def flush(self):

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

  107. 

  108.     def write(self, string):

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

  110. 

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

  112. # Host Window

  113. 

  114. class HostWindow(QMainWindow):

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

  116.     # signals

  117.     SIGTERM = pyqtSignal()

  118.     SIGUSR1 = pyqtSignal()

  119. 

  120.     # CustomActions

  121.     CUSTOM_ACTION_NONE         = 0

  122.     CUSTOM_ACTION_APP_CLOSE    = 1

  123.     CUSTOM_ACTION_PROJECT_LOAD = 2

  124. 

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

  126. 

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

  128.         QMainWindow.__init__(self, parent)

  129.         self.host = host

  130.         self.ui = ui_carla_host.Ui_CarlaHostW()

  131.         self.ui.setupUi(self)

  132.         gCarla.gui = self

  133. 

  134.         if False:

  135.             # kdevelop likes this :)

  136.             host = CarlaHostNull()

  137.             self.host = host

  138. 

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

  140. 

  141.         self.fParentOrSelf = parent or self

  142. 

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

  144.         # Internal stuff

  145. 

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

  147.         self.fIdleTimerFast = 0

  148.         self.fIdleTimerSlow = 0

  149. 

  150.         self.fLadspaRdfNeedsUpdate = True

  151.         self.fLadspaRdfList = []

  152. 

  153.         self.fPluginCount = 0

  154.         self.fPluginList  = []

  155. 

  156.         self.fPluginDatabaseDialog = None

  157.         self.fFavoritePlugins = []

  158. 

  159.         self.fProjectFilename  = ""

  160.         self.fIsProjectLoading = False

  161.         self.fCurrentlyRemovingAllPlugins = False

  162. 

  163.         self.fLastTransportBPM   = 0.0

  164.         self.fLastTransportFrame = 0

  165.         self.fLastTransportState = False

  166.         self.fBufferSize         = 0

  167.         self.fSampleRate         = 0.0

  168.         self.fOscAddressTCP      = ""

  169.         self.fOscAddressUDP      = ""

  170.         self.fOscReportedHost    = ""

  171. 

  172.         if MACOS:

  173.             self.fMacClosingHelper = True

  174. 

  175.         # CancelableActionCallback Box

  176.         self.fCancelableActionBox = None

  177. 

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

  179.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  180. 

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

  182.         self.fFirstEngineInit = True

  183. 

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

  185.         self.fSavedSettings = {}

  186. 

  187.         if host.isControl:

  188.             self.fClientName         = "Carla-Control"

  189.             self.fSessionManagerName = "Control"

  190.         elif host.isPlugin:

  191.             self.fClientName         = "Carla-Plugin"

  192.             self.fSessionManagerName = "Plugin"

  193.         elif LADISH_APP_NAME:

  194.             self.fClientName         = LADISH_APP_NAME

  195.             self.fSessionManagerName = "LADISH"

  196.         elif NSM_URL and host.nsmOK:

  197.             self.fClientName         = "Carla.tmp"

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

  199.         else:

  200.             self.fClientName         = CARLA_CLIENT_NAME or "Carla"

  201.             self.fSessionManagerName = ""

  202. 

  203.         # ----------------------------------------------------------------------------------------------------

  204.         # Internal stuff (patchbay)

  205. 

  206.         self.fPeaksCleared = True

  207. 

  208.         self.fExternalPatchbay = False

  209.         self.fSelectedPlugins  = []

  210. 

  211.         self.fCanvasWidth  = 0

  212.         self.fCanvasHeight = 0

  213.         self.fMiniCanvasUpdateTimeout = 0

  214. 

  215.         self.fWithCanvas = withCanvas

  216. 

  217.         # ----------------------------------------------------------------------------------------------------

  218.         # Internal stuff (logs)

  219. 

  220.         self.autoscrollOnNewLog = True

  221.         self.lastLogSliderPos = 0

  222. 

  223.         # ----------------------------------------------------------------------------------------------------

  224.         # Set up GUI (engine stopped)

  225. 

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

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

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

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

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

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

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

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

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

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

  236. 

  237.             if self.host.isControl:

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

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

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

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

  242.             else:

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

  244. 

  245.                 if not withCanvas:

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

  247. 

  248.         else:

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

  250. 

  251.             if WINDOWS:

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

  253. 

  254.         if self.host.isControl:

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

  256.         else:

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

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

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

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

  261. 

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

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

  264. 

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

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

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

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

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

  270. 

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

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

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

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

  275. 

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

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

  278. 

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

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

  281. 

  282.         if not withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  300.             self.ui.tw_miniCanvas.hide()

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

  302.             if WINDOWS:

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

  304. 

  305.         # ----------------------------------------------------------------------------------------------------

  306.         # Set up GUI (disk)

  307. 

  308.         exts = gCarla.utils.get_supported_file_extensions()

  309. 

  310.         self.fDirModel = QFileSystemModel(self)

  311.         self.fDirModel.setRootPath(HOME)

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

  313. 

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

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

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

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

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

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

  320. 

  321.         # ----------------------------------------------------------------------------------------------------

  322.         # Set up GUI (transport)

  323. 

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

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

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

  327. 

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

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

  330. 

  331.         if minLabelWidth < labelTimeWidth:

  332.             minLabelWidth = labelTimeWidth

  333.         if minLabelWidth < labelBBTWidth:

  334.             minLabelWidth = labelBBTWidth

  335. 

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

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

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

  339. 

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

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

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

  343. 

  344.         if host.isPlugin:

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

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

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

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

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

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

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

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

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

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

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

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

  357. 

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

  359. 

  360.         # ----------------------------------------------------------------------------------------------------

  361.         # Set up GUI (rack)

  362. 

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

  364. 

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

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

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

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

  369. 

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

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

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

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

  374. 

  375.         self.updateStyle()

  376. 

  377.         self.ui.rack.setStyleSheet("""

  378.           CarlaRackList#CarlaRackList {

  379.             background-color: black;

  380.           }

  381.         """)

  382. 

  383.         # ----------------------------------------------------------------------------------------------------

  384.         # Set up GUI (patchbay)

  385. 

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

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

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

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

  390. 

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

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

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

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

  395. 

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

  397.         self.ui.keyboard   = self.ui.scrollArea.keyboard

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

  399. 

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

  401. 

  402.         self.ui.miniCanvasPreview.setRealParent(self)

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

  404. 

  405.         # ----------------------------------------------------------------------------------------------------

  406.         # Set up GUI (logs)

  407. 

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

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

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

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

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

  413. 

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

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

  416. 

  417.         if MACOS:

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

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

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

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

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

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

  424. 

  425.         # ----------------------------------------------------------------------------------------------------

  426.         # Load Settings

  427. 

  428.         self.loadSettings(True)

  429. 

  430.         # ----------------------------------------------------------------------------------------------------

  431.         # Set-up Canvas

  432. 

  433.         if withCanvas:

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

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

  436. 

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

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

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

  440. 

  441.             self.setupCanvas()

  442. 

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

  444.         # Connect actions to functions

  445. 

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

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

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

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

  450. 

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

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

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

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

  455. 

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

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

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

  459. 

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

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

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

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

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

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

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

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

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

  469. 

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

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

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

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

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

  475. 

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

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

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

  479. 

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

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

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

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

  484. 

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

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

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

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

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

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

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

  492. 

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

  494. 

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

  496. 

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

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

  499. 

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

  501. 

  502.         if withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  522. 

  523.         self.SIGUSR1.connect(self.slot_handleSIGUSR1)

  524.         self.SIGTERM.connect(self.slot_handleSIGTERM)

  525. 

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

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

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

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

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

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

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

  533. 

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

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

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

  537. 

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

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

  540. 

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

  542. 

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

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

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

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

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

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

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

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

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

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

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

  554. 

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

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

  557. 

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

  559. 

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

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

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

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

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

  565. 

  566.         # ----------------------------------------------------------------------------------------------------

  567.         # Final setup

  568. 

  569.         self.ui.text_logs.clear()

  570.         self.slot_logButtonsState(False)

  571.         self.setProperWindowTitle()

  572. 

  573.         # Disable non-supported features

  574.         features = gCarla.utils.get_supported_features()

  575. 

  576.         if "link" not in features:

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

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

  579. 

  580.         if "juce" not in features:

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

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

  583. 

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

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

  586.             self.startTimers()

  587. 

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

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

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

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

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

  593. 

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

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

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

  597. 

  598.         # Load initial project file if set

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

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

  601. 

  602.             if projectFile:

  603.                 self.loadProjectLater(projectFile)

  604. 

  605.         # For NSM we wait for the open message

  606.         if NSM_URL and host.nsmOK:

  607.             host.nsm_ready(NSM_CALLBACK_INIT)

  608.             return

  609. 

  610.         if not host.isControl:

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

  612. 

  613.     # --------------------------------------------------------------------------------------------------------

  614.     # Manage visibility state, needed for NSM

  615. 

  616.     def hideForNSM(self):

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

  618.             if pitem is None:

  619.                 continue

  620.             widget = pitem.getWidget().hideCustomUI()

  621.         self.hide()

  622. 

  623.     def showIfNeeded(self):

  624.         if self.host.nsmOK:

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

  626.             QApplication.instance().setQuitOnLastWindowClosed(False)

  627.         else:

  628.             self.show()

  629. 

  630.     # --------------------------------------------------------------------------------------------------------

  631.     # Setup

  632. 

  633.     def compactPlugin(self, pluginId):

  634.         if pluginId > self.fPluginCount:

  635.             return

  636. 

  637.         pitem = self.fPluginList[pluginId]

  638. 

  639.         if pitem is None:

  640.             return

  641. 

  642.         pitem.recreateWidget(True)

  643. 

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

  645.         if pluginId > self.fPluginCount:

  646.             return

  647. 

  648.         pitem = self.fPluginList[pluginId]

  649. 

  650.         if pitem is None:

  651.             return

  652. 

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

  654.         pitem.recreateWidget(newColor = color)

  655. 

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

  657.         if pluginId > self.fPluginCount:

  658.             return

  659. 

  660.         pitem = self.fPluginList[pluginId]

  661. 

  662.         if pitem is None:

  663.             return

  664. 

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

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

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

  668.         else:

  669.             pitem.recreateWidget(newSkin = skin)

  670. 

  671.     def findPluginInPatchbay(self, pluginId):

  672.         if pluginId > self.fPluginCount:

  673.             return

  674. 

  675.         if self.fExternalPatchbay:

  676.             self.slot_canvasShowInternal()

  677. 

  678.         if not patchcanvas.focusGroupUsingPluginId(pluginId):

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

  680.             if not patchcanvas.focusGroupUsingGroupName(name):

  681.                 return

  682. 

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

  684. 

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

  686.         if pluginIdA == pluginIdB:

  687.             return

  688.         if pluginIdA < 0 or pluginIdB < 0:

  689.             return

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

  691.             return

  692. 

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

  694. 

  695.         itemA = self.fPluginList[pluginIdA]

  696.         compactA = itemA.isCompacted()

  697.         guiShownA = itemA.isGuiShown()

  698. 

  699.         itemB = self.fPluginList[pluginIdB]

  700.         compactB = itemB.isCompacted()

  701.         guiShownB = itemB.isGuiShown()

  702. 

  703.         itemA.setPluginId(pluginIdA)

  704.         itemA.recreateWidget2(compactB, guiShownB)

  705. 

  706.         itemB.setPluginId(pluginIdB)

  707.         itemB.recreateWidget2(compactA, guiShownA)

  708. 

  709.         if self.fWithCanvas:

  710.             self.slot_canvasRefresh()

  711. 

  712.     def setLoadRDFsNeeded(self):

  713.         self.fLadspaRdfNeedsUpdate = True

  714. 

  715.     def setProperWindowTitle(self):

  716.         title = self.fClientName

  717. 

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

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

  720.         if self.fSessionManagerName:

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

  722. 

  723.         self.setWindowTitle(title)

  724. 

  725.     def updateBufferSize(self, newBufferSize):

  726.         if self.fBufferSize == newBufferSize:

  727.             return

  728.         self.fBufferSize = newBufferSize

  729.         self.ui.cb_buffer_size.clear()

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

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

  732. 

  733.     def updateSampleRate(self, newSampleRate):

  734.         if self.fSampleRate == newSampleRate:

  735.             return

  736.         self.fSampleRate = newSampleRate

  737.         self.ui.cb_sample_rate.clear()

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

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

  740.         self.refreshTransport(True)

  741. 

  742.     # --------------------------------------------------------------------------------------------------------

  743.     # Files

  744. 

  745.     def loadProjectNow(self):

  746.         if not self.fProjectFilename:

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

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

  749.             return

  750. 

  751.         self.projectLoadingStarted()

  752.         self.fIsProjectLoading = True

  753. 

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

  755.             self.fIsProjectLoading = False

  756.             self.projectLoadingFinished()

  757. 

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

  759.                              self.host.get_last_error(),

  760.                              QMessageBox.Ok, QMessageBox.Ok)

  761. 

  762.     def loadProjectLater(self, filename):

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

  764.         self.setProperWindowTitle()

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

  766. 

  767.     def saveProjectNow(self):

  768.         if not self.fProjectFilename:

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

  770. 

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

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

  773.                              self.host.get_last_error(),

  774.                              QMessageBox.Ok, QMessageBox.Ok)

  775.             return

  776. 

  777.     def projectLoadingStarted(self):

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

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

  780. 

  781.     def projectLoadingFinished(self):

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

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

  784. 

  785.         if not self.fWithCanvas:

  786.             return

  787. 

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

  789. 

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

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

  792.             return

  793. 

  794.         try:

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

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

  797.         except:

  798.             return

  799. 

  800.         patchcanvas.restoreGroupPositions(canvasdata)

  801. 

  802.     # --------------------------------------------------------------------------------------------------------

  803.     # Files (menu actions)

  804. 

  805.     @pyqtSlot()

  806.     def slot_fileNew(self):

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

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

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

  810.             return

  811. 

  812.         self.pluginRemoveAll()

  813.         self.fProjectFilename = ""

  814.         self.setProperWindowTitle()

  815.         self.host.clear_project_filename()

  816. 

  817.     @pyqtSlot()

  818.     def slot_fileOpen(self):

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

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

  821. 

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

  823.         if not filename:

  824.             return

  825. 

  826.         newFile = True

  827. 

  828.         if self.fPluginCount > 0:

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

  830.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  832. 

  833.         if newFile:

  834.             self.pluginRemoveAll()

  835.             self.fProjectFilename = filename

  836.             self.setProperWindowTitle()

  837.             self.loadProjectNow()

  838.         else:

  839.             filenameOld = self.fProjectFilename

  840.             self.fProjectFilename = filename

  841.             self.loadProjectNow()

  842.             self.fProjectFilename = filenameOld

  843. 

  844.     @pyqtSlot()

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

  846.         if self.fProjectFilename and not saveAs:

  847.             return self.saveProjectNow()

  848. 

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

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

  851. 

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

  853.         if not filename:

  854.             return

  855. 

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

  857.             filename += ".carxp"

  858. 

  859.         if self.fProjectFilename != filename:

  860.             self.fProjectFilename = filename

  861.             self.setProperWindowTitle()

  862. 

  863.         self.saveProjectNow()

  864. 

  865.     @pyqtSlot()

  866.     def slot_fileSaveAs(self):

  867.         self.slot_fileSave(True)

  868. 

  869.     @pyqtSlot()

  870.     def slot_loadProjectNow(self):

  871.         self.loadProjectNow()

  872. 

  873.     # --------------------------------------------------------------------------------------------------------

  874.     # Engine (menu actions)

  875. 

  876.     @pyqtSlot()

  877.     def slot_engineStart(self):

  878.         audioDriver = setEngineSettings(self.host)

  879.         firstInit   = self.fFirstEngineInit

  880. 

  881.         self.fFirstEngineInit = False

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

  883. 

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

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

  886.                 settings = QSafeSettings()

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

  888.                 del settings

  889.                 if lastBpm >= 20.0:

  890.                     self.host.transport_bpm(lastBpm)

  891.             return

  892. 

  893.         elif firstInit:

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

  895.             return

  896. 

  897.         audioError = self.host.get_last_error()

  898. 

  899.         if audioError:

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

  901.         else:

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

  903. 

  904.     @pyqtSlot()

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

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

  907. 

  908.         if self.fPluginCount == 0:

  909.             self.engineStopFinal()

  910.             return True

  911. 

  912.         if not forced:

  913.             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"

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

  915.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  916.             if ask != QMessageBox.Yes:

  917.                 return False

  918. 

  919.         return self.slot_engineStopTryAgain()

  920. 

  921.     @pyqtSlot()

  922.     def slot_engineConfig(self):

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

  924. 

  925.         if not dialog.exec_():

  926.             return

  927. 

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

  929. 

  930.         if self.host.is_engine_running():

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

  932.         else:

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

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

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

  936. 

  937.     @pyqtSlot()

  938.     def slot_engineStopTryAgain(self):

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

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

  941.             return False

  942. 

  943.         self.engineStopFinal()

  944.         return True

  945. 

  946.     def engineStopFinal(self):

  947.         patchcanvas.handleAllPluginsRemoved()

  948.         self.killTimers()

  949. 

  950.         if self.host.is_engine_running():

  951.             if self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  952.                 self.removeAllPlugins()

  953.             elif self.fPluginCount != 0:

  954.                 self.fCurrentlyRemovingAllPlugins = True

  955.                 self.projectLoadingStarted()

  956. 

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

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

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

  960. 

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

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

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

  964. 

  965.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  966.             self.close()

  967.         elif self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  968.             self.slot_engineStart()

  969.             self.loadProjectNow()

  970.             self.host.nsm_ready(NSM_CALLBACK_OPEN)

  971. 

  972.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  973. 

  974.     # --------------------------------------------------------------------------------------------------------

  975.     # Engine (host callbacks)

  976. 

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

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

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

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

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

  982. 

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

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

  985. 

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

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

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

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

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

  991.             self.fExternalPatchbay = False

  992.         else:

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

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

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

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

  997.             self.fExternalPatchbay = not self.host.isPlugin

  998. 

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

  1000.         self.ui.act_canvas_show_external.blockSignals(False)

  1001. 

  1002.         if not (self.host.isControl or self.host.isPlugin):

  1003.             canSave = (self.fProjectFilename and os.path.exists(self.fProjectFilename)) or not self.fSessionManagerName

  1004.             self.ui.act_file_save.setEnabled(canSave)

  1005.             self.ui.act_engine_start.setEnabled(False)

  1006.             self.ui.act_engine_stop.setEnabled(True)

  1007. 

  1008.         if not self.host.isPlugin:

  1009.             self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1010. 

  1011.         if self.host.isPlugin or not self.fSessionManagerName:

  1012.             self.ui.act_file_open.setEnabled(True)

  1013.             self.ui.act_file_save_as.setEnabled(True)

  1014. 

  1015.         self.ui.cb_transport_jack.setChecked(transportMode == ENGINE_TRANSPORT_MODE_JACK)

  1016.         self.ui.cb_transport_jack.setEnabled(driverName == "JACK" and processMode != ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS)

  1017. 

  1018.         if self.ui.cb_transport_link.isEnabled():

  1019.             self.ui.cb_transport_link.setChecked(":link:" in self.host.transportExtra)

  1020. 

  1021.         self.updateBufferSize(bufferSize)

  1022.         self.updateSampleRate(int(sampleRate))

  1023.         self.refreshRuntimeInfo(0.0, 0)

  1024.         self.startTimers()

  1025. 

  1026.         self.ui.text_logs.appendPlainText("======= Engine started ========")

  1027.         self.ui.text_logs.appendPlainText("Carla engine started, details:")

  1028.         self.ui.text_logs.appendPlainText("  Driver name:  %s" % driverName)

  1029.         self.ui.text_logs.appendPlainText("  Sample rate:  %i" % int(sampleRate))

  1030.         self.ui.text_logs.appendPlainText("  Process mode: %s" % processMode2Str(processMode))

  1031. 

  1032.     @pyqtSlot()

  1033.     def slot_handleEngineStoppedCallback(self):

  1034.         self.ui.text_logs.appendPlainText("======= Engine stopped ========")

  1035. 

  1036.         patchcanvas.clear()

  1037.         self.killTimers()

  1038. 

  1039.         # just in case

  1040.         self.removeAllPlugins()

  1041.         self.refreshRuntimeInfo(0.0, 0)

  1042. 

  1043.         self.ui.menu_PluginMacros.setEnabled(False)

  1044.         self.ui.menu_Canvas.setEnabled(False)

  1045.         self.ui.w_transport.setEnabled(False)

  1046. 

  1047.         if not (self.host.isControl or self.host.isPlugin):

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

  1049.             self.ui.act_engine_start.setEnabled(True)

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

  1051. 

  1052.         if self.host.isPlugin or not self.fSessionManagerName:

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

  1054.             self.ui.act_file_save_as.setEnabled(False)

  1055. 

  1056.     @pyqtSlot(int, str)

  1057.     def slot_handleTransportModeChangedCallback(self, transportMode, transportExtra):

  1058.         self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1059. 

  1060.         self.ui.cb_transport_jack.setChecked(transportMode == ENGINE_TRANSPORT_MODE_JACK)

  1061.         self.ui.cb_transport_link.setChecked(":link:" in transportExtra)

  1062. 

  1063.     @pyqtSlot(int)

  1064.     def slot_handleBufferSizeChangedCallback(self, newBufferSize):

  1065.         self.updateBufferSize(newBufferSize)

  1066. 

  1067.     @pyqtSlot(float)

  1068.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  1069.         self.updateSampleRate(int(newSampleRate))

  1070. 

  1071.     @pyqtSlot(int, bool, str)

  1072.     def slot_handleCancelableActionCallback(self, pluginId, started, action):

  1073.         if self.fCancelableActionBox is not None:

  1074.             self.fCancelableActionBox.close()

  1075. 

  1076.         if started:

  1077.             self.fCancelableActionBox = QMessageBox(self)

  1078.             self.fCancelableActionBox.setIcon(QMessageBox.Information)

  1079.             self.fCancelableActionBox.setWindowTitle(self.tr("Action in progress"))

  1080.             self.fCancelableActionBox.setText(action)

  1081.             self.fCancelableActionBox.setInformativeText(self.tr("An action is in progress, please wait..."))

  1082.             self.fCancelableActionBox.setStandardButtons(QMessageBox.Cancel)

  1083.             self.fCancelableActionBox.setDefaultButton(QMessageBox.Cancel)

  1084.             self.fCancelableActionBox.buttonClicked.connect(self.slot_canlableActionBoxClicked)

  1085.             self.fCancelableActionBox.show()

  1086. 

  1087.         else:

  1088.             self.fCancelableActionBox = None

  1089. 

  1090.     @pyqtSlot()

  1091.     def slot_canlableActionBoxClicked(self):

  1092.         self.host.cancel_engine_action()

  1093. 

  1094.     @pyqtSlot()

  1095.     def slot_handleProjectLoadFinishedCallback(self):

  1096.         self.fIsProjectLoading = False

  1097.         self.projectLoadingFinished()

  1098. 

  1099.     # --------------------------------------------------------------------------------------------------------

  1100.     # Plugins

  1101. 

  1102.     def removeAllPlugins(self):

  1103.         self.ui.act_plugin_remove_all.setEnabled(False)

  1104.         patchcanvas.handleAllPluginsRemoved()

  1105. 

  1106.         while self.ui.listWidget.takeItem(0):

  1107.             pass

  1108. 

  1109.         self.clearSideStuff()

  1110. 

  1111.         for pitem in self.fPluginList:

  1112.             if pitem is None:

  1113.                 continue

  1114. 

  1115.             pitem.close()

  1116.             del pitem

  1117. 

  1118.         self.fPluginCount = 0

  1119.         self.fPluginList  = []

  1120. 

  1121.     # --------------------------------------------------------------------------------------------------------

  1122.     # Plugins (menu actions)

  1123. 

  1124.     def showAddPluginDialog(self):

  1125.         if self.fPluginDatabaseDialog is None:

  1126.             self.fPluginDatabaseDialog = PluginDatabaseW(self.fParentOrSelf, self.host)

  1127.         dialog = self.fPluginDatabaseDialog

  1128. 

  1129.         ret = dialog.exec_()

  1130. 

  1131.         if dialog.fFavoritePluginsChanged:

  1132.             self.fFavoritePlugins = dialog.fFavoritePlugins

  1133. 

  1134.         if not ret:

  1135.             return

  1136. 

  1137.         if not self.host.is_engine_running():

  1138.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1139.             return

  1140. 

  1141.         btype    = dialog.fRetPlugin['build']

  1142.         ptype    = dialog.fRetPlugin['type']

  1143.         filename = dialog.fRetPlugin['filename']

  1144.         label    = dialog.fRetPlugin['label']

  1145.         uniqueId = dialog.fRetPlugin['uniqueId']

  1146.         extraPtr = self.getExtraPtr(dialog.fRetPlugin)

  1147. 

  1148.         return (btype, ptype, filename, label, uniqueId, extraPtr)

  1149. 

  1150.     def showAddJackAppDialog(self):

  1151.         dialog = JackApplicationW(self.fParentOrSelf, self.fProjectFilename)

  1152. 

  1153.         if not dialog.exec_():

  1154.             return

  1155. 

  1156.         if not self.host.is_engine_running():

  1157.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1158.             return

  1159. 

  1160.         return dialog.getCommandAndFlags()

  1161. 

  1162.     @pyqtSlot()

  1163.     def slot_favoritePluginAdd(self):

  1164.         plugin = self.sender().data()

  1165. 

  1166.         if plugin is None:

  1167.             return

  1168. 

  1169.         if not self.host.add_plugin(plugin['build'], plugin['type'], plugin['filename'], None,

  1170.                                     plugin['label'], plugin['uniqueId'], None, PLUGIN_OPTIONS_NULL):

  1171.             CustomMessageBox(self,

  1172.                              QMessageBox.Critical,

  1173.                              self.tr("Error"),

  1174.                              self.tr("Failed to load plugin"),

  1175.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1176. 

  1177.     @pyqtSlot()

  1178.     def slot_showPluginActionsMenu(self):

  1179.         menu = QMenu(self)

  1180. 

  1181.         menu.addSection("Plugins")

  1182.         menu.addAction(self.ui.act_plugin_add)

  1183. 

  1184.         if len(self.fFavoritePlugins) != 0:

  1185.             fmenu = QMenu("Add from favorites", self)

  1186.             for p in self.fFavoritePlugins:

  1187.                 act = fmenu.addAction(p['name'])

  1188.                 act.setData(p)

  1189.                 act.triggered.connect(self.slot_favoritePluginAdd)

  1190.             menu.addMenu(fmenu)

  1191. 

  1192.         menu.addAction(self.ui.act_plugin_remove_all)

  1193. 

  1194.         menu.addSection("All plugins (macros)")

  1195.         menu.addAction(self.ui.act_plugins_enable)

  1196.         menu.addAction(self.ui.act_plugins_disable)

  1197.         menu.addSeparator()

  1198.         menu.addAction(self.ui.act_plugins_volume100)

  1199.         menu.addAction(self.ui.act_plugins_mute)

  1200.         menu.addSeparator()

  1201.         menu.addAction(self.ui.act_plugins_wet100)

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

  1203.         menu.addSeparator()

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

  1205.         menu.addSeparator()

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

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

  1208. 

  1209.         menu.exec_(QCursor.pos())

  1210. 

  1211.     @pyqtSlot()

  1212.     def slot_pluginAdd(self):

  1213.         data = self.showAddPluginDialog()

  1214. 

  1215.         if data is None:

  1216.             return

  1217. 

  1218.         btype, ptype, filename, label, uniqueId, extraPtr = data

  1219. 

  1220.         if not self.host.add_plugin(btype, ptype, filename, None, label, uniqueId, extraPtr, PLUGIN_OPTIONS_NULL):

  1221.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1222.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1223. 

  1224.     @pyqtSlot()

  1225.     def slot_confirmRemoveAll(self):

  1226.         if self.fPluginCount == 0:

  1227.             return

  1228. 

  1229.         if QMessageBox.question(self, self.tr("Remove All"),

  1230.                                       self.tr("Are you sure you want to remove all plugins?"),

  1231.                                       QMessageBox.Yes|QMessageBox.No) == QMessageBox.No:

  1232.             return

  1233. 

  1234.         self.pluginRemoveAll()

  1235. 

  1236.     def pluginRemoveAll(self):

  1237.         if self.fPluginCount == 0:

  1238.             return

  1239. 

  1240.         self.fCurrentlyRemovingAllPlugins = True

  1241.         self.projectLoadingStarted()

  1242. 

  1243.         if not self.host.remove_all_plugins():

  1244.             self.projectLoadingFinished()

  1245.             self.fCurrentlyRemovingAllPlugins = False

  1246.             CustomMessageBox(self, QMessageBox.Warning, self.tr("Error"), self.tr("Operation failed"),

  1247.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1248. 

  1249.     @pyqtSlot()

  1250.     def slot_jackAppAdd(self):

  1251.         data = self.showAddJackAppDialog()

  1252. 

  1253.         if data is None:

  1254.             return

  1255. 

  1256.         filename, name, label = data

  1257. 

  1258.         if not filename:

  1259.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Cannot add jack application"),

  1260.                                    self.tr("command is empty"), QMessageBox.Ok, QMessageBox.Ok)

  1261.             return

  1262. 

  1263.         if not self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, filename, name, label, 0, None, PLUGIN_OPTIONS_NULL):

  1264.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1265.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1266. 

  1267.     # --------------------------------------------------------------------------------------------------------

  1268.     # Plugins (macros)

  1269. 

  1270.     @pyqtSlot()

  1271.     def slot_pluginsEnable(self):

  1272.         if not self.host.is_engine_running():

  1273.             return

  1274. 

  1275.         for pitem in self.fPluginList:

  1276.             if pitem is None:

  1277.                 break

  1278. 

  1279.             pitem.getWidget().setActive(True, True, True)

  1280. 

  1281.     @pyqtSlot()

  1282.     def slot_pluginsDisable(self):

  1283.         if not self.host.is_engine_running():

  1284.             return

  1285. 

  1286.         for pitem in self.fPluginList:

  1287.             if pitem is None:

  1288.                 break

  1289. 

  1290.             pitem.getWidget().setActive(False, True, True)

  1291. 

  1292.     @pyqtSlot()

  1293.     def slot_pluginsVolume100(self):

  1294.         if not self.host.is_engine_running():

  1295.             return

  1296. 

  1297.         for pitem in self.fPluginList:

  1298.             if pitem is None:

  1299.                 break

  1300. 

  1301.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 1.0)

  1302. 

  1303.     @pyqtSlot()

  1304.     def slot_pluginsMute(self):

  1305.         if not self.host.is_engine_running():

  1306.             return

  1307. 

  1308.         for pitem in self.fPluginList:

  1309.             if pitem is None:

  1310.                 break

  1311. 

  1312.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 0.0)

  1313. 

  1314.     @pyqtSlot()

  1315.     def slot_pluginsWet100(self):

  1316.         if not self.host.is_engine_running():

  1317.             return

  1318. 

  1319.         for pitem in self.fPluginList:

  1320.             if pitem is None:

  1321.                 break

  1322. 

  1323.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 1.0)

  1324. 

  1325.     @pyqtSlot()

  1326.     def slot_pluginsBypass(self):

  1327.         if not self.host.is_engine_running():

  1328.             return

  1329. 

  1330.         for pitem in self.fPluginList:

  1331.             if pitem is None:

  1332.                 break

  1333. 

  1334.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 0.0)

  1335. 

  1336.     @pyqtSlot()

  1337.     def slot_pluginsCenter(self):

  1338.         if not self.host.is_engine_running():

  1339.             return

  1340. 

  1341.         for pitem in self.fPluginList:

  1342.             if pitem is None:

  1343.                 break

  1344. 

  1345.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1346.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1347.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1348. 

  1349.     @pyqtSlot()

  1350.     def slot_pluginsCompact(self):

  1351.         for pitem in self.fPluginList:

  1352.             if pitem is None:

  1353.                 break

  1354.             pitem.compact()

  1355. 

  1356.     @pyqtSlot()

  1357.     def slot_pluginsExpand(self):

  1358.         for pitem in self.fPluginList:

  1359.             if pitem is None:

  1360.                 break

  1361.             pitem.expand()

  1362. 

  1363.     # --------------------------------------------------------------------------------------------------------

  1364.     # Plugins (host callbacks)

  1365. 

  1366.     @pyqtSlot(int, str)

  1367.     def slot_handlePluginAddedCallback(self, pluginId, pluginName):

  1368.         if pluginId != self.fPluginCount:

  1369.             print("ERROR: pluginAdded mismatch Id:", pluginId, self.fPluginCount)

  1370.             pitem = self.getPluginItem(pluginId)

  1371.             pitem.recreateWidget()

  1372.             return

  1373. 

  1374.         pitem = self.ui.listWidget.createItem(pluginId)

  1375.         self.fPluginList.append(pitem)

  1376.         self.fPluginCount += 1

  1377. 

  1378.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1379. 

  1380.     @pyqtSlot(int)

  1381.     def slot_handlePluginRemovedCallback(self, pluginId):

  1382.         patchcanvas.handlePluginRemoved(pluginId)

  1383. 

  1384.         if pluginId in self.fSelectedPlugins:

  1385.             self.clearSideStuff()

  1386. 

  1387.         if self.fPluginCount == 0:

  1388.             return

  1389. 

  1390.         pitem = self.getPluginItem(pluginId)

  1391. 

  1392.         self.fPluginCount -= 1

  1393.         self.fPluginList.pop(pluginId)

  1394.         self.ui.listWidget.takeItem(pluginId)

  1395. 

  1396.         if pitem is not None:

  1397.             pitem.close()

  1398.             del pitem

  1399. 

  1400.         if self.fPluginCount == 0:

  1401.             self.ui.act_plugin_remove_all.setEnabled(False)

  1402.             if self.fCurrentlyRemovingAllPlugins:

  1403.                 self.fCurrentlyRemovingAllPlugins = False

  1404.                 self.projectLoadingFinished()

  1405.             return

  1406. 

  1407.         # push all plugins 1 slot back

  1408.         for i in range(pluginId, self.fPluginCount):

  1409.             pitem = self.fPluginList[i]

  1410.             pitem.setPluginId(i)

  1411. 

  1412.         self.ui.act_plugin_remove_all.setEnabled(True)

  1413. 

  1414.     # --------------------------------------------------------------------------------------------------------

  1415.     # Canvas

  1416. 

  1417.     def clearSideStuff(self):

  1418.         if self.fWithCanvas:

  1419.             self.scene.clearSelection()

  1420. 

  1421.         self.fSelectedPlugins = []

  1422. 

  1423.         self.ui.keyboard.allNotesOff(False)

  1424.         self.ui.scrollArea.setEnabled(False)

  1425. 

  1426.         self.fPeaksCleared = True

  1427.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1428.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1429.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1430.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1431. 

  1432.     def setupCanvas(self):

  1433.         pOptions = patchcanvas.options_t()

  1434.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1435.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1436.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1437.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1438.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1439.         pOptions.inline_displays   = self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS]

  1440. 

  1441.         if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY]:

  1442.             pOptions.eyecandy = patchcanvas.EYECANDY_FULL

  1443.         elif self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]:

  1444.             pOptions.eyecandy = patchcanvas.EYECANDY_SMALL

  1445.         else:

  1446.             pOptions.eyecandy = patchcanvas.EYECANDY_NONE

  1447. 

  1448.         pFeatures = patchcanvas.features_t()

  1449.         pFeatures.group_info   = False

  1450.         pFeatures.group_rename = False

  1451.         pFeatures.port_info    = False

  1452.         pFeatures.port_rename  = False

  1453.         pFeatures.handle_group_pos = False

  1454. 

  1455.         patchcanvas.setOptions(pOptions)

  1456.         patchcanvas.setFeatures(pFeatures)

  1457.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1458. 

  1459.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1460. 

  1461.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1462.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1463.             self.fCanvasHeight = int(tryCanvasSize[1])

  1464.         else:

  1465.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1466.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1467. 

  1468.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1469.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1470.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1471. 

  1472.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1473.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1474. 

  1475.         if self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] != patchcanvas.ANTIALIASING_NONE:

  1476.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, True)

  1477. 

  1478.             fullAA = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] == patchcanvas.ANTIALIASING_FULL

  1479.             self.ui.graphicsView.setRenderHint(QPainter.SmoothPixmapTransform, fullAA)

  1480.             self.ui.graphicsView.setRenderHint(QPainter.TextAntialiasing, fullAA)

  1481. 

  1482.             if self.fSavedSettings[CARLA_KEY_CANVAS_USE_OPENGL] and hasGL:

  1483.                 self.ui.graphicsView.setRenderHint(QPainter.HighQualityAntialiasing, self.fSavedSettings[CARLA_KEY_CANVAS_HQ_ANTIALIASING])

  1484. 

  1485.         else:

  1486.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, False)

  1487. 

  1488.         if self.fSavedSettings[CARLA_KEY_CANVAS_FULL_REPAINTS]:

  1489.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.FullViewportUpdate)

  1490.         else:

  1491.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.MinimalViewportUpdate)

  1492. 

  1493.     def updateCanvasInitialPos(self):

  1494.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1495.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1496.         patchcanvas.setInitialPos(x, y)

  1497. 

  1498.     def updateMiniCanvasLater(self):

  1499.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1500. 

  1501.     # --------------------------------------------------------------------------------------------------------

  1502.     # Canvas (menu actions)

  1503. 

  1504.     @pyqtSlot()

  1505.     def slot_canvasShowInternal(self):

  1506.         self.fExternalPatchbay = False

  1507.         self.ui.act_canvas_show_internal.blockSignals(True)

  1508.         self.ui.act_canvas_show_external.blockSignals(True)

  1509.         self.ui.act_canvas_show_internal.setChecked(True)

  1510.         self.ui.act_canvas_show_external.setChecked(False)

  1511.         self.ui.act_canvas_show_internal.blockSignals(False)

  1512.         self.ui.act_canvas_show_external.blockSignals(False)

  1513.         self.slot_canvasRefresh()

  1514. 

  1515.     @pyqtSlot()

  1516.     def slot_canvasShowExternal(self):

  1517.         self.fExternalPatchbay = True

  1518.         self.ui.act_canvas_show_internal.blockSignals(True)

  1519.         self.ui.act_canvas_show_external.blockSignals(True)

  1520.         self.ui.act_canvas_show_internal.setChecked(False)

  1521.         self.ui.act_canvas_show_external.setChecked(True)

  1522.         self.ui.act_canvas_show_internal.blockSignals(False)

  1523.         self.ui.act_canvas_show_external.blockSignals(False)

  1524.         self.slot_canvasRefresh()

  1525. 

  1526.     @pyqtSlot()

  1527.     def slot_canvasArrange(self):

  1528.         patchcanvas.arrange()

  1529. 

  1530.     @pyqtSlot()

  1531.     def slot_canvasRefresh(self):

  1532.         patchcanvas.clear()

  1533. 

  1534.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1535.             return

  1536. 

  1537.         if self.host.is_engine_running():

  1538.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1539. 

  1540.         self.updateMiniCanvasLater()

  1541. 

  1542.     @pyqtSlot()

  1543.     def slot_canvasZoomFit(self):

  1544.         self.scene.zoom_fit()

  1545. 

  1546.     @pyqtSlot()

  1547.     def slot_canvasZoomIn(self):

  1548.         self.scene.zoom_in()

  1549. 

  1550.     @pyqtSlot()

  1551.     def slot_canvasZoomOut(self):

  1552.         self.scene.zoom_out()

  1553. 

  1554.     @pyqtSlot()

  1555.     def slot_canvasZoomReset(self):

  1556.         self.scene.zoom_reset()

  1557. 

  1558.     @pyqtSlot()

  1559.     def slot_canvasSaveImage(self):

  1560.         if self.fProjectFilename:

  1561.             dir = QFileInfo(self.fProjectFilename).absoluteDir().absolutePath()

  1562.         else:

  1563.             dir = self.fSavedSettings[CARLA_KEY_MAIN_PROJECT_FOLDER]

  1564. 

  1565.         fileDialog = QFileDialog(self)

  1566.         fileDialog.setAcceptMode(QFileDialog.AcceptSave)

  1567.         fileDialog.setDirectory(dir)

  1568.         fileDialog.setFileMode(QFileDialog.AnyFile)

  1569.         fileDialog.setMimeTypeFilters(("image/png", "image/jpeg"))

  1570.         fileDialog.setNameFilter(self.tr("Images (*.png *.jpg)"))

  1571.         fileDialog.setOptions(QFileDialog.DontUseCustomDirectoryIcons)

  1572.         fileDialog.setWindowTitle(self.tr("Save Image"))

  1573. 

  1574.         ok = fileDialog.exec_()

  1575. 

  1576.         if not ok:

  1577.             return

  1578. 

  1579.         newPath = fileDialog.selectedFiles()

  1580. 

  1581.         if len(newPath) != 1:

  1582.             return

  1583. 

  1584.         newPath = newPath[0]

  1585. 

  1586.         if QT_VERSION >= 0x50900:

  1587.             if fileDialog.selectedMimeTypeFilter() == "image/jpeg":

  1588.                 imgFormat = b"JPG"

  1589.             else:

  1590.                 imgFormat = b"PNG"

  1591.         else:

  1592.             if newPath.lower().endswith((".jpg", ".jpeg")):

  1593.                 imgFormat = b"JPG"

  1594.             else:

  1595.                 imgFormat = b"PNG"

  1596. 

  1597.         sender = self.sender()

  1598.         if sender == self.ui.act_canvas_save_image_2x:

  1599.             zoom = 2.0

  1600.         elif sender == self.ui.act_canvas_save_image_4x:

  1601.             zoom = 4.0

  1602.         else:

  1603.             zoom = 1.0

  1604. 

  1605.         image   = QImage(self.scene.width()*zoom, self.scene.height()*zoom, QImage.Format_RGB32)

  1606.         painter = QPainter(image)

  1607.         painter.save()

  1608.         painter.setRenderHints(painter.renderHints() | QPainter.Antialiasing | QPainter.TextAntialiasing)

  1609.         self.scene.clearSelection()

  1610.         self.scene.render(painter)

  1611.         painter.restore()

  1612.         del painter

  1613. 

  1614.         iw = QImageWriter(newPath)

  1615.         iw.setFormat(imgFormat)

  1616.         iw.setCompression(-1)

  1617. 

  1618.         if QT_VERSION >= 0x50500:

  1619.             iw.setOptimizedWrite(True)

  1620. 

  1621.         iw.write(image)

  1622. 

  1623.     @pyqtSlot()

  1624.     def slot_canvasCopyToClipboard(self):

  1625.         image   = QImage(self.scene.width(), self.scene.height(), QImage.Format_RGB32)

  1626.         painter = QPainter(image)

  1627.         painter.save()

  1628.         painter.setRenderHints(painter.renderHints() | QPainter.Antialiasing | QPainter.TextAntialiasing)

  1629.         self.scene.clearSelection()

  1630.         self.scene.render(painter)

  1631.         painter.restore()

  1632.         del painter

  1633. 

  1634.         QApplication.clipboard().setImage(image)

  1635. 

  1636.     # --------------------------------------------------------------------------------------------------------

  1637.     # Canvas (canvas callbacks)

  1638. 

  1639.     @pyqtSlot()

  1640.     def slot_canvasSelectionChanged(self):

  1641.         self.updateMiniCanvasLater()

  1642. 

  1643.     @pyqtSlot(float)

  1644.     def slot_canvasScaleChanged(self, scale):

  1645.         self.ui.miniCanvasPreview.setViewScale(scale)

  1646. 

  1647.     @pyqtSlot(list)

  1648.     def slot_canvasPluginSelected(self, pluginList):

  1649.         self.ui.keyboard.allNotesOff(False)

  1650.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1651.         self.fSelectedPlugins = pluginList

  1652. 

  1653.     # --------------------------------------------------------------------------------------------------------

  1654.     # Canvas (host callbacks)

  1655. 

  1656.     @pyqtSlot(int, int, int, str)

  1657.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1658.         pcSplit = patchcanvas.SPLIT_UNDEF

  1659.         pcIcon  = patchcanvas.ICON_APPLICATION

  1660. 

  1661.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1662.             pcIcon = patchcanvas.ICON_PLUGIN

  1663.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1664.             pcIcon = patchcanvas.ICON_HARDWARE

  1665.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1666.             pass

  1667.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1668.             pcIcon = patchcanvas.ICON_DISTRHO

  1669.         elif clientIcon == PATCHBAY_ICON_FILE:

  1670.             pcIcon = patchcanvas.ICON_FILE

  1671. 

  1672.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1673. 

  1674.         self.updateMiniCanvasLater()

  1675. 

  1676.         if pluginId < 0:

  1677.             return

  1678.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1679.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1680.             return

  1681. 

  1682.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1683.             hasCustomUI = False

  1684.             hasInlineDisplay = False

  1685.         else:

  1686.             hints = self.host.get_plugin_info(pluginId)['hints']

  1687.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1688.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1689. 

  1690.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1691. 

  1692.     @pyqtSlot(int)

  1693.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1694.         patchcanvas.removeGroup(clientId)

  1695.         self.updateMiniCanvasLater()

  1696. 

  1697.     @pyqtSlot(int, str)

  1698.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1699.         patchcanvas.renameGroup(clientId, newClientName)

  1700.         self.updateMiniCanvasLater()

  1701. 

  1702.     @pyqtSlot(int, int, int)

  1703.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1704.         pcIcon = patchcanvas.ICON_APPLICATION

  1705. 

  1706.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1707.             pcIcon = patchcanvas.ICON_PLUGIN

  1708.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1709.             pcIcon = patchcanvas.ICON_HARDWARE

  1710.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1711.             pass

  1712.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1713.             pcIcon = patchcanvas.ICON_DISTRHO

  1714.         elif clientIcon == PATCHBAY_ICON_FILE:

  1715.             pcIcon = patchcanvas.ICON_FILE

  1716. 

  1717.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1718.         self.updateMiniCanvasLater()

  1719. 

  1720.         if pluginId < 0:

  1721.             return

  1722.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1723.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1724.             return

  1725. 

  1726.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1727.             hasCustomUI = False

  1728.             hasInlineDisplay = False

  1729.         else:

  1730.             hints = self.host.get_plugin_info(pluginId)['hints']

  1731.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1732.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1733. 

  1734.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1735. 

  1736.     @pyqtSlot(int, int, int, int, int)

  1737.     def slot_handlePatchbayClientPositionChangedCallback(self, clientId, x1, y1, x2, y2):

  1738.         patchcanvas.setGroupPosFull(clientId, x1, y1, x2, y2)

  1739.         self.updateMiniCanvasLater()

  1740. 

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

  1742.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portGroupId, portName):

  1743.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1744.             portMode = patchcanvas.PORT_MODE_INPUT

  1745.         else:

  1746.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1747. 

  1748.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1749.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1750.             isAlternate = False

  1751.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1752.             portType    = patchcanvas.PORT_TYPE_PARAMETER

  1753.             isAlternate = False

  1754.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1755.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1756.             isAlternate = False

  1757.         else:

  1758.             portType    = patchcanvas.PORT_TYPE_NULL

  1759.             isAlternate = False

  1760. 

  1761.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1762.         self.updateMiniCanvasLater()

  1763. 

  1764.     @pyqtSlot(int, int)

  1765.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  1766.         patchcanvas.removePort(groupId, portId)

  1767.         self.updateMiniCanvasLater()

  1768. 

  1769.     @pyqtSlot(int, int, int, int, str)

  1770.     def slot_handlePatchbayPortChangedCallback(self, groupId, portId, portFlags, portGroupId, newPortName):

  1771.         patchcanvas.renamePort(groupId, portId, newPortName)

  1772.         self.updateMiniCanvasLater()

  1773. 

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

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

  1776.         # TODO

  1777.         pass

  1778. 

  1779.     @pyqtSlot(int, int)

  1780.     def slot_handlePatchbayPortGroupRemovedCallback(self, groupId, portId):

  1781.         # TODO

  1782.         pass

  1783. 

  1784.     @pyqtSlot(int, int, int, str)

  1785.     def slot_handlePatchbayPortGroupChangedCallback(self, groupId, portId, portGroupId, newPortName):

  1786.         # TODO

  1787.         pass

  1788. 

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

  1790.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1791.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1792.         self.updateMiniCanvasLater()

  1793. 

  1794.     @pyqtSlot(int, int, int)

  1795.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1796.         patchcanvas.disconnectPorts(connectionId)

  1797.         self.updateMiniCanvasLater()

  1798. 

  1799.     # --------------------------------------------------------------------------------------------------------

  1800.     # Settings

  1801. 

  1802.     def saveSettings(self):

  1803.         settings = QSafeSettings()

  1804. 

  1805.         settings.setValue("Geometry", self.saveGeometry())

  1806.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  1807. 

  1808.         if not self.host.isControl:

  1809.             settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  1810. 

  1811.         diskFolders = []

  1812. 

  1813.         for i in range(self.ui.cb_disk.count()):

  1814.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1815. 

  1816.         settings.setValue("DiskFolders", diskFolders)

  1817.         settings.setValue("LastBPM", self.fLastTransportBPM)

  1818. 

  1819.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1820.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1821.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1822.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1823. 

  1824.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_MODE,  self.host.transportMode)

  1825.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, self.host.transportExtra)

  1826. 

  1827.         return settings

  1828. 

  1829.     def loadSettings(self, firstTime):

  1830.         settings = QSafeSettings()

  1831. 

  1832.         if firstTime:

  1833.             geometry = settings.value("Geometry", QByteArray(), QByteArray)

  1834.             if not geometry.isNull():

  1835.                 self.restoreGeometry(geometry)

  1836. 

  1837.             showToolbar = settings.value("ShowToolbar", True, bool)

  1838.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1839.             self.ui.toolBar.setEnabled(showToolbar)

  1840.             self.ui.toolBar.setVisible(showToolbar)

  1841. 

  1842.             #if settings.contains("SplitterState"):

  1843.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  1844.             #else:

  1845.                 #self.ui.splitter.setSizes([210, 99999])

  1846. 

  1847.             showSidePanel = settings.value("ShowSidePanel", True, bool) and not self.host.isControl

  1848.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  1849.             self.slot_showSidePanel(showSidePanel)

  1850. 

  1851.             diskFolders = settings.value("DiskFolders", [HOME], list)

  1852. 

  1853.             self.ui.cb_disk.setItemData(0, HOME)

  1854. 

  1855.             for i in range(len(diskFolders)):

  1856.                 if i == 0: continue

  1857.                 folder = diskFolders[i]

  1858.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1859. 

  1860.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, bool):

  1861.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1862. 

  1863.             showMeters = settings.value("ShowMeters", True, bool)

  1864.             self.ui.act_settings_show_meters.setChecked(showMeters)

  1865.             self.ui.peak_in.setVisible(showMeters)

  1866.             self.ui.peak_out.setVisible(showMeters)

  1867. 

  1868.             showKeyboard = settings.value("ShowKeyboard", True, bool)

  1869.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  1870.             self.ui.scrollArea.setVisible(showKeyboard)

  1871. 

  1872.             settingsDBf = QSafeSettings("falkTX", "CarlaDatabase2")

  1873.             self.fFavoritePlugins = settingsDBf.value("PluginDatabase/Favorites", [], list)

  1874. 

  1875.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  1876. 

  1877.         # TODO - complete this

  1878. 

  1879.         self.fSavedSettings = {

  1880.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      str),

  1881.             CARLA_KEY_MAIN_CONFIRM_EXIT:        settings.value(CARLA_KEY_MAIN_CONFIRM_EXIT,        CARLA_DEFAULT_MAIN_CONFIRM_EXIT,        bool),

  1882.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    int),

  1883.             CARLA_KEY_MAIN_EXPERIMENTAL:        settings.value(CARLA_KEY_MAIN_EXPERIMENTAL,        CARLA_DEFAULT_MAIN_EXPERIMENTAL,        bool),

  1884.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             str),

  1885.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              str),

  1886.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  bool),

  1887.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, bool),

  1888.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  bool),

  1889.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         bool),

  1890.             CARLA_KEY_CANVAS_FANCY_EYE_CANDY:   settings.value(CARLA_KEY_CANVAS_FANCY_EYE_CANDY,   CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY,   bool),

  1891.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        bool),

  1892.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      int),

  1893.             CARLA_KEY_CANVAS_HQ_ANTIALIASING:   settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   bool),

  1894.             CARLA_KEY_CANVAS_FULL_REPAINTS:     settings.value(CARLA_KEY_CANVAS_FULL_REPAINTS,     CARLA_DEFAULT_CANVAS_FULL_REPAINTS,     bool),

  1895.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   bool) and

  1896.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", str).lower() == "black"),

  1897.         }

  1898. 

  1899.         if not self.host.isControl:

  1900.             self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS] = settings.value(CARLA_KEY_CANVAS_INLINE_DISPLAYS, CARLA_DEFAULT_CANVAS_INLINE_DISPLAYS, bool)

  1901.         else:

  1902.             self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS] = False

  1903. 

  1904.         settings2 = QSafeSettings("falkTX", "Carla2")

  1905. 

  1906.         if self.host.experimental:

  1907.             visible = settings2.value(CARLA_KEY_EXPERIMENTAL_JACK_APPS, CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS, bool)

  1908.             self.ui.act_plugin_add_jack.setVisible(visible)

  1909.         else:

  1910.             self.ui.act_plugin_add_jack.setVisible(False)

  1911. 

  1912.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY] else 0

  1913. 

  1914.         setEngineSettings(self.host)

  1915.         self.restartTimersIfNeeded()

  1916. 

  1917.         return settings

  1918. 

  1919.     # --------------------------------------------------------------------------------------------------------

  1920.     # Settings (helpers)

  1921. 

  1922.     def enableTransport(self, enabled):

  1923.         self.ui.group_transport_controls.setEnabled(enabled)

  1924.         self.ui.group_transport_settings.setEnabled(enabled)

  1925. 

  1926.     @pyqtSlot()

  1927.     def slot_restoreCanvasScrollbarValues(self):

  1928.         settings = QSafeSettings()

  1929.         horiz = settings.value("HorizontalScrollBarValue", int(self.ui.graphicsView.horizontalScrollBar().maximum()/2), int)

  1930.         vertc = settings.value("VerticalScrollBarValue", int(self.ui.graphicsView.verticalScrollBar().maximum()/2), int)

  1931.         self.ui.graphicsView.horizontalScrollBar().setValue(horiz)

  1932.         self.ui.graphicsView.verticalScrollBar().setValue(vertc)

  1933. 

  1934.     # --------------------------------------------------------------------------------------------------------

  1935.     # Settings (menu actions)

  1936. 

  1937.     @pyqtSlot(bool)

  1938.     def slot_showSidePanel(self, yesNo):

  1939.         self.ui.dockWidget.setEnabled(yesNo)

  1940.         self.ui.dockWidget.setVisible(yesNo)

  1941. 

  1942.     @pyqtSlot(bool)

  1943.     def slot_showToolbar(self, yesNo):

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

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

  1946. 

  1947.     @pyqtSlot(bool)

  1948.     def slot_showCanvasMeters(self, yesNo):

  1949.         self.ui.peak_in.setVisible(yesNo)

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

  1951.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1952. 

  1953.     @pyqtSlot(bool)

  1954.     def slot_showCanvasKeyboard(self, yesNo):

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

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

  1957. 

  1958.     @pyqtSlot()

  1959.     def slot_configureCarla(self):

  1960.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  1961.         if not dialog.exec_():

  1962.             return

  1963. 

  1964.         self.loadSettings(False)

  1965. 

  1966.         patchcanvas.clear()

  1967. 

  1968.         self.setupCanvas()

  1969.         self.slot_miniCanvasCheckAll()

  1970. 

  1971.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1972.             pass

  1973.         elif self.host.is_engine_running():

  1974.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1975. 

  1976.     # --------------------------------------------------------------------------------------------------------

  1977.     # About (menu actions)

  1978. 

  1979.     @pyqtSlot()

  1980.     def slot_aboutCarla(self):

  1981.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  1982. 

  1983.     @pyqtSlot()

  1984.     def slot_aboutJuce(self):

  1985.         JuceAboutW(self.fParentOrSelf).exec_()

  1986. 

  1987.     @pyqtSlot()

  1988.     def slot_aboutQt(self):

  1989.         QApplication.instance().aboutQt()

  1990. 

  1991.     # --------------------------------------------------------------------------------------------------------

  1992.     # Disk (menu actions)

  1993. 

  1994.     @pyqtSlot(int)

  1995.     def slot_diskFolderChanged(self, index):

  1996.         if index < 0:

  1997.             return

  1998.         elif index == 0:

  1999.             filename = HOME

  2000.             self.ui.b_disk_remove.setEnabled(False)

  2001.         else:

  2002.             filename = self.ui.cb_disk.itemData(index)

  2003.             self.ui.b_disk_remove.setEnabled(True)

  2004. 

  2005.         self.fDirModel.setRootPath(filename)

  2006.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  2007. 

  2008.     @pyqtSlot()

  2009.     def slot_diskFolderAdd(self):

  2010.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  2011. 

  2012.         if newPath:

  2013.             if newPath[-1] == os.sep:

  2014.                 newPath = newPath[:-1]

  2015.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  2016.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  2017.             self.ui.b_disk_remove.setEnabled(True)

  2018. 

  2019.     @pyqtSlot()

  2020.     def slot_diskFolderRemove(self):

  2021.         index = self.ui.cb_disk.currentIndex()

  2022. 

  2023.         if index <= 0:

  2024.             return

  2025. 

  2026.         self.ui.cb_disk.removeItem(index)

  2027. 

  2028.         if self.ui.cb_disk.currentIndex() == 0:

  2029.             self.ui.b_disk_remove.setEnabled(False)

  2030. 

  2031.     @pyqtSlot(QModelIndex)

  2032.     def slot_fileTreeDoubleClicked(self, modelIndex):

  2033.         filename = self.fDirModel.filePath(modelIndex)

  2034. 

  2035.         if not self.ui.listWidget.isDragUrlValid(filename):

  2036.             return

  2037. 

  2038.         if not self.host.load_file(filename):

  2039.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  2040.                              self.tr("Failed to load file"),

  2041.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2042. 

  2043.     # --------------------------------------------------------------------------------------------------------

  2044.     # Transport

  2045. 

  2046.     def refreshTransport(self, forced = False):

  2047.         if not self.ui.l_transport_time.isVisible():

  2048.             return

  2049.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  2050.             return

  2051. 

  2052.         timeInfo = self.host.get_transport_info()

  2053.         playing  = timeInfo['playing']

  2054.         frame    = timeInfo['frame']

  2055.         bpm      = timeInfo['bpm']

  2056. 

  2057.         if playing != self.fLastTransportState or forced:

  2058.             if playing:

  2059.                 icon = QIcon(":/16x16/media-playback-pause.svgz")

  2060.                 self.ui.b_transport_play.setChecked(True)

  2061.                 self.ui.b_transport_play.setIcon(icon)

  2062.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  2063.             else:

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

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

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

  2067.                 #self.ui.b_play.setText(self.tr("&Play"))

  2068. 

  2069.             self.fLastTransportState = playing

  2070. 

  2071.         if frame != self.fLastTransportFrame or forced:

  2072.             self.fLastTransportFrame = frame

  2073. 

  2074.             time = frame / self.fSampleRate

  2075.             secs =  time % 60

  2076.             mins = (time / 60) % 60

  2077.             hrs  = (time / 3600) % 60

  2078.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  2079. 

  2080.             frame1 =  frame % 1000

  2081.             frame2 = (frame / 1000) % 1000

  2082.             frame3 = (frame / 1000000) % 1000

  2083.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  2084. 

  2085.             bar  = timeInfo['bar']

  2086.             beat = timeInfo['beat']

  2087.             tick = timeInfo['tick']

  2088.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  2089. 

  2090.         if bpm != self.fLastTransportBPM or forced:

  2091.             self.fLastTransportBPM = bpm

  2092. 

  2093.             if bpm > 0.0:

  2094.                 self.ui.dsb_transport_bpm.blockSignals(True)

  2095.                 self.ui.dsb_transport_bpm.setValue(bpm)

  2096.                 self.ui.dsb_transport_bpm.blockSignals(False)

  2097.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  2098.             else:

  2099.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  2100. 

  2101.     # --------------------------------------------------------------------------------------------------------

  2102.     # Transport (menu actions)

  2103. 

  2104.     @pyqtSlot(bool)

  2105.     def slot_transportPlayPause(self, toggled):

  2106.         if self.host.isPlugin or not self.host.is_engine_running():

  2107.             return

  2108. 

  2109.         if toggled:

  2110.             self.host.transport_play()

  2111.         else:

  2112.             self.host.transport_pause()

  2113. 

  2114.         self.refreshTransport()

  2115. 

  2116.     @pyqtSlot()

  2117.     def slot_transportStop(self):

  2118.         if self.host.isPlugin or not self.host.is_engine_running():

  2119.             return

  2120. 

  2121.         self.host.transport_pause()

  2122.         self.host.transport_relocate(0)

  2123. 

  2124.         self.refreshTransport()

  2125. 

  2126.     @pyqtSlot()

  2127.     def slot_transportBackwards(self):

  2128.         if self.host.isPlugin or not self.host.is_engine_running():

  2129.             return

  2130. 

  2131.         newFrame = self.host.get_current_transport_frame() - 100000

  2132. 

  2133.         if newFrame < 0:

  2134.             newFrame = 0

  2135. 

  2136.         self.host.transport_relocate(newFrame)

  2137. 

  2138.     @pyqtSlot(float)

  2139.     def slot_transportBpmChanged(self, newValue):

  2140.         self.host.transport_bpm(newValue)

  2141. 

  2142.     @pyqtSlot()

  2143.     def slot_transportForwards(self):

  2144.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  2145.             return

  2146. 

  2147.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  2148.         self.host.transport_relocate(newFrame)

  2149. 

  2150.     @pyqtSlot(bool)

  2151.     def slot_transportJackEnabled(self, clicked):

  2152.         if not self.host.is_engine_running():

  2153.             return

  2154.         self.host.transportMode = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  2155.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  2156.                                     self.host.transportMode,

  2157.                                     self.host.transportExtra)

  2158. 

  2159.     @pyqtSlot(bool)

  2160.     def slot_transportLinkEnabled(self, clicked):

  2161.         if not self.host.is_engine_running():

  2162.             return

  2163.         extra = ":link:" if clicked else ""

  2164.         self.host.transportExtra = extra

  2165.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  2166.                                     self.host.transportMode,

  2167.                                     self.host.transportExtra)

  2168. 

  2169.     # --------------------------------------------------------------------------------------------------------

  2170.     # Other

  2171. 

  2172.     @pyqtSlot(bool)

  2173.     def slot_xrunClear(self):

  2174.         self.host.clear_engine_xruns()

  2175. 

  2176.     # --------------------------------------------------------------------------------------------------------

  2177.     # Canvas scrollbars

  2178. 

  2179.     @pyqtSlot(int)

  2180.     def slot_horizontalScrollBarChanged(self, value):

  2181.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  2182.         if maximum == 0:

  2183.             xp = 0

  2184.         else:

  2185.             xp = float(value) / maximum

  2186.         self.ui.miniCanvasPreview.setViewPosX(xp)

  2187.         self.updateCanvasInitialPos()

  2188. 

  2189.     @pyqtSlot(int)

  2190.     def slot_verticalScrollBarChanged(self, value):

  2191.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  2192.         if maximum == 0:

  2193.             yp = 0

  2194.         else:

  2195.             yp = float(value) / maximum

  2196.         self.ui.miniCanvasPreview.setViewPosY(yp)

  2197.         self.updateCanvasInitialPos()

  2198. 

  2199.     # --------------------------------------------------------------------------------------------------------

  2200.     # Canvas keyboard

  2201. 

  2202.     @pyqtSlot(int)

  2203.     def slot_noteOn(self, note):

  2204.         for pluginId in self.fSelectedPlugins:

  2205.             self.host.send_midi_note(pluginId, 0, note, 100)

  2206. 

  2207.             pedit = self.getPluginEditDialog(pluginId)

  2208.             pedit.noteOn(0, note, 100)

  2209. 

  2210.     @pyqtSlot(int)

  2211.     def slot_noteOff(self, note):

  2212.         for pluginId in self.fSelectedPlugins:

  2213.             self.host.send_midi_note(pluginId, 0, note, 0)

  2214. 

  2215.             pedit = self.getPluginEditDialog(pluginId)

  2216.             pedit.noteOff(0, note)

  2217. 

  2218.     # --------------------------------------------------------------------------------------------------------

  2219.     # Canvas keyboard (host callbacks)

  2220. 

  2221.     @pyqtSlot(int, int, int, int)

  2222.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  2223.         if pluginId in self.fSelectedPlugins:

  2224.             self.ui.keyboard.sendNoteOn(note, False)

  2225. 

  2226.     @pyqtSlot(int, int, int)

  2227.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  2228.         if pluginId in self.fSelectedPlugins:

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

  2230. 

  2231.     # --------------------------------------------------------------------------------------------------------

  2232. 

  2233.     @pyqtSlot(int)

  2234.     def slot_handleUpdateCallback(self, pluginId):

  2235.         pitem = self.getPluginItem(pluginId)

  2236. 

  2237.         if pitem is None:

  2238.             return

  2239. 

  2240.         wasCompacted = pitem.isCompacted()

  2241.         isCompacted  = wasCompacted

  2242. 

  2243.         check = self.host.get_custom_data_value(pluginId, CUSTOM_DATA_TYPE_PROPERTY, "CarlaSkinIsCompacted")

  2244.         if not check:

  2245.             return

  2246.         isCompacted = bool(check == "true")

  2247. 

  2248.         if wasCompacted == isCompacted:

  2249.             return

  2250. 

  2251.         pitem.recreateWidget(True)

  2252. 

  2253.     # --------------------------------------------------------------------------------------------------------

  2254.     # MiniCanvas stuff

  2255. 

  2256.     @pyqtSlot()

  2257.     def slot_miniCanvasCheckAll(self):

  2258.         self.slot_miniCanvasCheckSize()

  2259.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  2260.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  2261. 

  2262.     @pyqtSlot()

  2263.     def slot_miniCanvasCheckSize(self):

  2264.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  2265.             return

  2266. 

  2267.         currentIndex = self.ui.tabWidget.currentIndex()

  2268. 

  2269.         if currentIndex == 1:

  2270.             width  = self.ui.graphicsView.width()

  2271.             height = self.ui.graphicsView.height()

  2272.         else:

  2273.             self.ui.tabWidget.blockSignals(True)

  2274.             self.ui.tabWidget.setCurrentIndex(1)

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

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

  2277.             self.ui.tabWidget.setCurrentIndex(currentIndex)

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

  2279. 

  2280.         self.scene.updateLimits()

  2281. 

  2282.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  2283. 

  2284.     @pyqtSlot(float, float)

  2285.     def slot_miniCanvasMoved(self, xp, yp):

  2286.         hsb = self.ui.graphicsView.horizontalScrollBar()

  2287.         vsb = self.ui.graphicsView.verticalScrollBar()

  2288.         hsb.setValue(xp * hsb.maximum())

  2289.         vsb.setValue(yp * vsb.maximum())

  2290.         self.updateCanvasInitialPos()

  2291. 

  2292.     # --------------------------------------------------------------------------------------------------------

  2293.     # Logs autoscroll, save and clear

  2294. 

  2295.     @pyqtSlot(int)

  2296.     def slot_toggleLogAutoscroll(self, checkState):

  2297.         self.autoscrollOnNewLog = checkState == Qt.Checked

  2298.         if self.autoscrollOnNewLog:

  2299.             self.ui.text_logs.verticalScrollBar().setValue(self.ui.text_logs.verticalScrollBar().maximum())

  2300. 

  2301.     @pyqtSlot(int)

  2302.     def slot_logSliderMoved(self, slider_pos):

  2303.         if self.ui.text_logs.verticalScrollBar().hasTracking() or self.autoscrollOnNewLog:

  2304.             self.lastLogSliderPos = slider_pos

  2305.         else:

  2306.             self.ui.text_logs.verticalScrollBar().setValue(self.lastLogSliderPos)

  2307. 

  2308.     @pyqtSlot()

  2309.     def slot_logButtonsState(self, enabled=True):

  2310.         self.ui.logs_clear.setEnabled(enabled)

  2311.         self.ui.logs_save.setEnabled(enabled)

  2312. 

  2313.     @pyqtSlot()

  2314.     def slot_logSave(self):

  2315.         filename = os.path.join(self.fSavedSettings[CARLA_KEY_MAIN_PROJECT_FOLDER], 'carla_log.txt')

  2316.         filename, _ = QFileDialog.getSaveFileName(self, self.tr("Save Logs"), filename)

  2317. 

  2318.         if not filename:

  2319.             return

  2320. 

  2321.         try:

  2322.             with open(filename, "w") as logfile:

  2323.                 logfile.write(self.ui.text_logs.toPlainText())

  2324.                 logfile.close()

  2325.         except:

  2326.             return

  2327. 

  2328.     @pyqtSlot()

  2329.     def slot_logClear(self):

  2330.         self.ui.text_logs.clear()

  2331.         self.ui.text_logs.appendPlainText("======= Logs cleared ========")

  2332.         self.slot_logButtonsState(False)

  2333. 

  2334.     # --------------------------------------------------------------------------------------------------------

  2335.     # Timers

  2336. 

  2337.     def startTimers(self):

  2338.         if self.fIdleTimerFast == 0:

  2339.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2340. 

  2341.         if self.fIdleTimerSlow == 0:

  2342.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2343. 

  2344.     def restartTimersIfNeeded(self):

  2345.         if self.fIdleTimerFast != 0:

  2346.             self.killTimer(self.fIdleTimerFast)

  2347.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2348. 

  2349.         if self.fIdleTimerSlow != 0:

  2350.             self.killTimer(self.fIdleTimerSlow)

  2351.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2352. 

  2353.     def killTimers(self):

  2354.         if self.fIdleTimerFast != 0:

  2355.             self.killTimer(self.fIdleTimerFast)

  2356.             self.fIdleTimerFast = 0

  2357. 

  2358.         if self.fIdleTimerSlow != 0:

  2359.             self.killTimer(self.fIdleTimerSlow)

  2360.             self.fIdleTimerSlow = 0

  2361. 

  2362.     # --------------------------------------------------------------------------------------------------------

  2363.     # Misc

  2364. 

  2365.     @pyqtSlot(int)

  2366.     def slot_tabChanged(self, index):

  2367.         if index != 1:

  2368.             return

  2369. 

  2370.         self.ui.graphicsView.setFocus()

  2371. 

  2372.     @pyqtSlot(int)

  2373.     def slot_handleReloadAllCallback(self, pluginId):

  2374.         if pluginId >= self.fPluginCount:

  2375.             return

  2376. 

  2377.         pitem = self.fPluginList[pluginId]

  2378.         if pitem is None:

  2379.             return

  2380. 

  2381.         pitem.recreateWidget()

  2382. 

  2383.     # --------------------------------------------------------------------------------------------------------

  2384. 

  2385.     @pyqtSlot(int, int, str)

  2386.     def slot_handleNSMCallback(self, opcode, valueInt, valueStr):

  2387.         if opcode == NSM_CALLBACK_INIT:

  2388.             return

  2389. 

  2390.         # Error

  2391.         elif opcode == NSM_CALLBACK_ERROR:

  2392.             pass

  2393. 

  2394.         # Reply

  2395.         elif opcode == NSM_CALLBACK_ANNOUNCE:

  2396.             self.fFirstEngineInit    = False

  2397.             self.fSessionManagerName = valueStr

  2398.             self.setProperWindowTitle()

  2399. 

  2400.         # Open

  2401.         elif opcode == NSM_CALLBACK_OPEN:

  2402.             self.fClientName      = os.path.basename(valueStr)

  2403.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  2404.             self.setProperWindowTitle()

  2405. 

  2406.             self.fCustomStopAction = self.CUSTOM_ACTION_PROJECT_LOAD

  2407.             self.slot_engineStop(True)

  2408.             return

  2409. 

  2410.         # Save

  2411.         elif opcode == NSM_CALLBACK_SAVE:

  2412.             self.saveProjectNow()

  2413. 

  2414.         # Session is Loaded

  2415.         elif opcode == NSM_CALLBACK_SESSION_IS_LOADED:

  2416.             pass

  2417. 

  2418.         # Show Optional Gui

  2419.         elif opcode == NSM_CALLBACK_SHOW_OPTIONAL_GUI:

  2420.             self.show()

  2421. 

  2422.         # Hide Optional Gui

  2423.         elif opcode == NSM_CALLBACK_HIDE_OPTIONAL_GUI:

  2424.             self.hideForNSM()

  2425. 

  2426.         self.host.nsm_ready(opcode)

  2427. 

  2428.     # --------------------------------------------------------------------------------------------------------

  2429. 

  2430.     def fixLogText(self, text):

  2431.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  2432. 

  2433.     @pyqtSlot(int, int, int, int, float, str)

  2434.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valuef, valueStr):

  2435.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  2436. 

  2437.     @pyqtSlot(str)

  2438.     def slot_handleInfoCallback(self, info):

  2439.         QMessageBox.information(self, "Information", info)

  2440. 

  2441.     @pyqtSlot(str)

  2442.     def slot_handleErrorCallback(self, error):

  2443.         QMessageBox.critical(self, "Error", error)

  2444. 

  2445.     @pyqtSlot()

  2446.     def slot_handleQuitCallback(self):

  2447.         self.fIsProjectLoading = False

  2448.         self.killTimers()

  2449.         self.removeAllPlugins()

  2450.         self.projectLoadingFinished()

  2451. 

  2452.     @pyqtSlot(int)

  2453.     def slot_handleInlineDisplayRedrawCallback(self, pluginId):

  2454.         # FIXME

  2455.         if self.fIdleTimerSlow != 0 and self.fIdleTimerFast != 0 and pluginId < self.fPluginCount and not self.fIsProjectLoading:

  2456.             patchcanvas.redrawPluginGroup(pluginId)

  2457. 

  2458.     # --------------------------------------------------------------------------------------------------------

  2459. 

  2460.     @pyqtSlot()

  2461.     def slot_handleSIGUSR1(self):

  2462.         print("Got SIGUSR1 -> Saving project now")

  2463.         self.slot_fileSave()

  2464. 

  2465.     @pyqtSlot()

  2466.     def slot_handleSIGTERM(self):

  2467.         print("Got SIGTERM -> Closing now")

  2468.         self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2469.         self.close()

  2470. 

  2471.     # --------------------------------------------------------------------------------------------------------

  2472.     # Internal stuff

  2473. 

  2474.     def getExtraPtr(self, plugin):

  2475.         ptype = plugin['type']

  2476. 

  2477.         if ptype == PLUGIN_LADSPA:

  2478.             uniqueId = plugin['uniqueId']

  2479. 

  2480.             self.maybeLoadRDFs()

  2481. 

  2482.             for rdfItem in self.fLadspaRdfList:

  2483.                 if rdfItem.UniqueID == uniqueId:

  2484.                     return pointer(rdfItem)

  2485. 

  2486.         elif ptype == PLUGIN_SF2:

  2487.             if plugin['name'].lower().endswith(" (16 outputs)"):

  2488.                 return self._true

  2489. 

  2490.         return None

  2491. 

  2492.     def maybeLoadRDFs(self):

  2493.         if not self.fLadspaRdfNeedsUpdate:

  2494.             return

  2495. 

  2496.         self.fLadspaRdfNeedsUpdate = False

  2497.         self.fLadspaRdfList = []

  2498. 

  2499.         if not haveLRDF:

  2500.             return

  2501. 

  2502.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  2503.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  2504. 

  2505.         if os.path.exists(frLadspaFile):

  2506.             frLadspa = open(frLadspaFile, 'r')

  2507. 

  2508.             try:

  2509.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  2510.             except:

  2511.                 pass

  2512. 

  2513.             frLadspa.close()

  2514. 

  2515.     # --------------------------------------------------------------------------------------------------------

  2516. 

  2517.     def getPluginCount(self):

  2518.         return self.fPluginCount

  2519. 

  2520.     def getPluginItem(self, pluginId):

  2521.         if pluginId >= self.fPluginCount:

  2522.             return None

  2523. 

  2524.         pitem = self.fPluginList[pluginId]

  2525.         if pitem is None:

  2526.             return None

  2527.         #if False:

  2528.             #return CarlaRackItem(self, 0, False)

  2529. 

  2530.         return pitem

  2531. 

  2532.     def getPluginEditDialog(self, pluginId):

  2533.         if pluginId >= self.fPluginCount:

  2534.             return None

  2535. 

  2536.         pitem = self.fPluginList[pluginId]

  2537.         if pitem is None:

  2538.             return None

  2539.         if False:

  2540.             return PluginEdit(self, self.host, 0)

  2541. 

  2542.         return pitem.getEditDialog()

  2543. 

  2544.     def getPluginSlotWidget(self, pluginId):

  2545.         if pluginId >= self.fPluginCount:

  2546.             return None

  2547. 

  2548.         pitem = self.fPluginList[pluginId]

  2549.         if pitem is None:

  2550.             return None

  2551.         #if False:

  2552.             #return AbstractPluginSlot()

  2553. 

  2554.         return pitem.getWidget()

  2555. 

  2556.     # --------------------------------------------------------------------------------------------------------

  2557. 

  2558.     def waitForPendingEvents(self):

  2559.         pass

  2560. 

  2561.     # --------------------------------------------------------------------------------------------------------

  2562.     # show/hide event

  2563. 

  2564.     def showEvent(self, event):

  2565.         self.getAndRefreshRuntimeInfo()

  2566.         self.refreshTransport(True)

  2567.         QMainWindow.showEvent(self, event)

  2568. 

  2569.         if QT_VERSION >= 0x50600:

  2570.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_UI_SCALE, int(self.devicePixelRatioF() * 1000), "")

  2571.             print("Frontend pixel ratio is", self.devicePixelRatioF())

  2572. 

  2573.         # set our gui as parent for all plugins UIs

  2574.         if self.host.manageUIs and not self.host.isControl:

  2575.             if MACOS:

  2576.                 nsViewPtr = int(self.winId())

  2577.                 winIdStr  = "%x" % gCarla.utils.cocoa_get_window(nsViewPtr)

  2578.             else:

  2579.                 winIdStr = "%x" % int(self.winId())

  2580.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2581. 

  2582.     def hideEvent(self, event):

  2583.         # disable parent

  2584.         if not self.host.isControl:

  2585.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2586. 

  2587.         QMainWindow.hideEvent(self, event)

  2588. 

  2589.     # --------------------------------------------------------------------------------------------------------

  2590.     # resize event

  2591. 

  2592.     def resizeEvent(self, event):

  2593.         QMainWindow.resizeEvent(self, event)

  2594. 

  2595.         if self.fWithCanvas:

  2596.             self.slot_miniCanvasCheckSize()

  2597. 

  2598.     # --------------------------------------------------------------------------------------------------------

  2599.     # timer event

  2600. 

  2601.     def refreshRuntimeInfo(self, load, xruns):

  2602.         txt1 = str(xruns) if (xruns >= 0) else "--"

  2603.         txt2 = "" if (xruns == 1) else "s"

  2604.         self.ui.b_xruns.setText("%s Xrun%s" % (txt1, txt2))

  2605.         self.ui.pb_dsp_load.setValue(int(load))

  2606. 

  2607.     def getAndRefreshRuntimeInfo(self):

  2608.         if not self.ui.pb_dsp_load.isVisible():

  2609.             return

  2610.         if not self.host.is_engine_running():

  2611.             return

  2612.         info = self.host.get_runtime_engine_info()

  2613.         self.refreshRuntimeInfo(info['load'], info['xruns'])

  2614. 

  2615.     def idleFast(self):

  2616.         self.host.engine_idle()

  2617.         self.refreshTransport()

  2618. 

  2619.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2620.             return

  2621. 

  2622.         for pitem in self.fPluginList:

  2623.             if pitem is None:

  2624.                 break

  2625. 

  2626.             pitem.getWidget().idleFast()

  2627. 

  2628.         for pluginId in self.fSelectedPlugins:

  2629.             self.fPeaksCleared = False

  2630.             if self.ui.peak_in.isVisible():

  2631.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2632.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2633.             if self.ui.peak_out.isVisible():

  2634.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2635.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2636.             return

  2637. 

  2638.         if self.fPeaksCleared:

  2639.             return

  2640. 

  2641.         self.fPeaksCleared = True

  2642.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2643.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2644.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2645.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2646. 

  2647.     def idleSlow(self):

  2648.         self.getAndRefreshRuntimeInfo()

  2649. 

  2650.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2651.             return

  2652. 

  2653.         for pitem in self.fPluginList:

  2654.             if pitem is None:

  2655.                 break

  2656. 

  2657.             pitem.getWidget().idleSlow()

  2658. 

  2659.     def timerEvent(self, event):

  2660.         if event.timerId() == self.fIdleTimerFast:

  2661.             self.idleFast()

  2662. 

  2663.         elif event.timerId() == self.fIdleTimerSlow:

  2664.             self.idleSlow()

  2665. 

  2666.         QMainWindow.timerEvent(self, event)

  2667. 

  2668.     # --------------------------------------------------------------------------------------------------------

  2669.     # color/style change event

  2670. 

  2671.     def changeEvent(self, event):

  2672.         if event.type() in (QEvent.PaletteChange, QEvent.StyleChange):

  2673.             self.updateStyle()

  2674.         QMainWindow.changeEvent(self, event)

  2675. 

  2676.     def updateStyle(self):

  2677.         # Rack padding images setup

  2678.         rack_imgL = QImage(":/bitmaps/rack_padding_left.png")

  2679.         rack_imgR = QImage(":/bitmaps/rack_padding_right.png")

  2680. 

  2681.         min_value = 0.07

  2682. 

  2683.         if PYQT_VERSION >= 0x50600:

  2684.             value_fix = 1.0/(1.0-rack_imgL.scaled(1, 1, Qt.IgnoreAspectRatio, Qt.SmoothTransformation).pixelColor(0,0).blackF())

  2685.         else:

  2686.             value_fix = 1.5

  2687. 

  2688.         rack_pal = self.ui.rack.palette()

  2689.         bg_color = rack_pal.window().color()

  2690.         fg_color = rack_pal.text().color()

  2691.         bg_value = 1.0 - bg_color.blackF()

  2692.         if bg_value != 0.0 and bg_value < min_value:

  2693.             pad_color = bg_color.lighter(100*min_value/bg_value*value_fix)

  2694.         else:

  2695.             pad_color = QColor.fromHsvF(0.0, 0.0, min_value*value_fix)

  2696. 

  2697.         painter = QPainter()

  2698.         fillRect = rack_imgL.rect().adjusted(-1,-1,1,1)

  2699. 

  2700.         painter.begin(rack_imgL)

  2701.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2702.         painter.setBrush(pad_color)

  2703.         painter.drawRect(fillRect)

  2704.         painter.end()

  2705.         rack_pixmapL = QPixmap(rack_imgL)

  2706.         self.imgL_palette = QPalette()

  2707.         self.imgL_palette.setBrush(QPalette.Window, QBrush(rack_pixmapL))

  2708.         self.ui.pad_left.setPalette(self.imgL_palette)

  2709.         self.ui.pad_left.setAutoFillBackground(True)

  2710. 

  2711.         painter.begin(rack_imgR)

  2712.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2713.         painter.setBrush(pad_color)

  2714.         painter.drawRect(fillRect)

  2715.         painter.end()

  2716.         rack_pixmapR = QPixmap(rack_imgR)

  2717.         self.imgR_palette = QPalette()

  2718.         self.imgR_palette.setBrush(QPalette.Window, QBrush(rack_pixmapR))

  2719.         self.ui.pad_right.setPalette(self.imgR_palette)

  2720.         self.ui.pad_right.setAutoFillBackground(True)

  2721. 

  2722.         # qt's rgba is actually argb, so convert that

  2723.         bg_color_value = bg_color.rgba()

  2724.         bg_color_value = ((bg_color_value & 0xffffff) << 8) | (bg_color_value >> 24)

  2725. 

  2726.         fg_color_value = fg_color.rgba()

  2727.         fg_color_value = ((fg_color_value & 0xffffff) << 8) | (fg_color_value >> 24)

  2728. 

  2729.         self.host.set_engine_option(ENGINE_OPTION_FRONTEND_BACKGROUND_COLOR, bg_color_value, "")

  2730.         self.host.set_engine_option(ENGINE_OPTION_FRONTEND_FOREGROUND_COLOR, fg_color_value, "")

  2731. 

  2732.     # --------------------------------------------------------------------------------------------------------

  2733.     # paint event

  2734. 

  2735.     #def paintEvent(self, event):

  2736.         #QMainWindow.paintEvent(self, event)

  2737. 

  2738.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2739.             #return

  2740. 

  2741.         #painter = QPainter(self)

  2742.         #painter.setBrush(QColor(36, 36, 36))

  2743.         #painter.setPen(QColor(62, 62, 62))

  2744.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2745. 

  2746.     # --------------------------------------------------------------------------------------------------------

  2747.     # close event

  2748. 

  2749.     def shouldIgnoreClose(self):

  2750.         if self.host.isControl or self.host.isPlugin:

  2751.             return False

  2752.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  2753.             return False

  2754.         if self.fSavedSettings[CARLA_KEY_MAIN_CONFIRM_EXIT]:

  2755.             return QMessageBox.question(self, self.tr("Quit"),

  2756.                                               self.tr("Are you sure you want to quit Carla?"),

  2757.                                               QMessageBox.Yes|QMessageBox.No) == QMessageBox.No

  2758.         return False

  2759. 

  2760.     def closeEvent(self, event):

  2761.         if self.shouldIgnoreClose():

  2762.             event.ignore()

  2763.             return

  2764. 

  2765.         if self.host.nsmOK and self.fCustomStopAction != self.CUSTOM_ACTION_APP_CLOSE:

  2766.             self.hideForNSM()

  2767.             self.host.nsm_ready(NSM_CALLBACK_HIDE_OPTIONAL_GUI)

  2768.             return

  2769. 

  2770.         patchcanvas.handleAllPluginsRemoved()

  2771. 

  2772.         if MACOS and self.fMacClosingHelper and not (self.host.isControl or self.host.isPlugin):

  2773.             self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2774.             self.fMacClosingHelper = False

  2775.             event.ignore()

  2776. 

  2777.             for i in reversed(range(self.fPluginCount)):

  2778.                 self.host.show_custom_ui(i, False)

  2779. 

  2780.             QTimer.singleShot(100, self.close)

  2781.             return

  2782. 

  2783.         self.killTimers()

  2784.         self.saveSettings()

  2785. 

  2786.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  2787.             if not self.slot_engineStop(True):

  2788.                 self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2789.                 event.ignore()

  2790.                 return

  2791. 

  2792.         QMainWindow.closeEvent(self, event)

  2793. 

  2794.         # if we reach this point, fully close ourselves

  2795.         QApplication.instance().quit()

  2796. 

  2797. # ------------------------------------------------------------------------------------------------

  2798. # Canvas callback

  2799. 

  2800. def canvasCallback(action, value1, value2, valueStr):

  2801.     host = gCarla.gui.host

  2802. 

  2803.     if gCarla.gui.fCustomStopAction == HostWindow.CUSTOM_ACTION_APP_CLOSE:

  2804.         return

  2805. 

  2806.     if action == patchcanvas.ACTION_GROUP_INFO:

  2807.         pass

  2808. 

  2809.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  2810.         pass

  2811. 

  2812.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  2813.         groupId = value1

  2814.         patchcanvas.splitGroup(groupId)

  2815.         gCarla.gui.updateMiniCanvasLater()

  2816. 

  2817.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  2818.         groupId = value1

  2819.         patchcanvas.joinGroup(groupId)

  2820.         gCarla.gui.updateMiniCanvasLater()

  2821. 

  2822.     elif action == patchcanvas.ACTION_GROUP_POSITION:

  2823.         if gCarla.gui.fIsProjectLoading:

  2824.             return

  2825.         if not host.is_engine_running():

  2826.             return

  2827.         groupId = value1

  2828.         x1, y1, x2, y2 = tuple(int(i) for i in valueStr.split(":"))

  2829.         host.patchbay_set_group_pos(gCarla.gui.fExternalPatchbay, groupId, x1, y1, x2, y2)

  2830.         gCarla.gui.updateMiniCanvasLater()

  2831. 

  2832.     elif action == patchcanvas.ACTION_PORT_INFO:

  2833.         pass

  2834. 

  2835.     elif action == patchcanvas.ACTION_PORT_RENAME:

  2836.         pass

  2837. 

  2838.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  2839.         gOut, pOut, gIn, pIn = tuple(int(i) for i in valueStr.split(":"))

  2840. 

  2841.         if not host.patchbay_connect(gCarla.gui.fExternalPatchbay, gOut, pOut, gIn, pIn):

  2842.             print("Connection failed:", host.get_last_error())

  2843. 

  2844.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  2845.         connectionId = value1

  2846. 

  2847.         if not host.patchbay_disconnect(gCarla.gui.fExternalPatchbay, connectionId):

  2848.             print("Disconnect failed:", host.get_last_error())

  2849. 

  2850.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  2851.         pluginId = value1

  2852. 

  2853.         if not host.clone_plugin(pluginId):

  2854.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2855.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2856. 

  2857.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  2858.         pluginId = value1

  2859.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2860. 

  2861.         if pwidget is not None:

  2862.             pwidget.showEditDialog()

  2863. 

  2864.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  2865.         pluginId = value1

  2866.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2867. 

  2868.         if pwidget is not None:

  2869.             pwidget.showRenameDialog()

  2870. 

  2871.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  2872.         pluginId = value1

  2873.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2874. 

  2875.         if pwidget is not None:

  2876.             pwidget.showReplaceDialog()

  2877. 

  2878.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  2879.         pluginId = value1

  2880. 

  2881.         if not host.remove_plugin(pluginId):

  2882.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2883.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2884. 

  2885.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  2886.         pluginId = value1

  2887.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2888. 

  2889.         if pwidget is not None:

  2890.             pwidget.showCustomUI()

  2891. 

  2892.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  2893.         gCarla.gui.slot_showPluginActionsMenu()

  2894. 

  2895.     elif action == patchcanvas.ACTION_INLINE_DISPLAY:

  2896.         if gCarla.gui.fIsProjectLoading:

  2897.             return

  2898.         if not host.is_engine_running():

  2899.             return

  2900.         pluginId = value1

  2901.         width, height = [int(v) for v in valueStr.split(":")]

  2902.         return host.render_inline_display(pluginId, width, height)

  2903. 

  2904. # ------------------------------------------------------------------------------------------------------------

  2905. # Engine callback

  2906. 

  2907. def engineCallback(host, action, pluginId, value1, value2, value3, valuef, valueStr):

  2908.     # kdevelop likes this :)

  2909.     if False: host = CarlaHostNull()

  2910. 

  2911.     valueStr = charPtrToString(valueStr)

  2912. 

  2913.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  2914.         host.processMode   = value1

  2915.         host.transportMode = value2

  2916.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2917.         host.processMode   = value1

  2918.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2919.         host.transportMode  = value1

  2920.         host.transportExtra = valueStr

  2921. 

  2922.     if action == ENGINE_CALLBACK_DEBUG:

  2923.         host.DebugCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  2924.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  2925.         host.PluginAddedCallback.emit(pluginId, valueStr)

  2926.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  2927.         host.PluginRemovedCallback.emit(pluginId)

  2928.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  2929.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  2930.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  2931.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  2932.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  2933.         host.ParameterValueChangedCallback.emit(pluginId, value1, valuef)

  2934.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  2935.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, valuef)

  2936.     elif action == ENGINE_CALLBACK_PARAMETER_MAPPED_CONTROL_INDEX_CHANGED:

  2937.         host.ParameterMappedControlIndexChangedCallback.emit(pluginId, value1, value2)

  2938.     elif action == ENGINE_CALLBACK_PARAMETER_MAPPED_RANGE_CHANGED:

  2939.         minimum, maximum = (float(v) for v in valueStr.split(":", 2))

  2940.         host.ParameterMappedRangeChangedCallback.emit(pluginId, value1, minimum, maximum)

  2941.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  2942.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  2943.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  2944.         host.ProgramChangedCallback.emit(pluginId, value1)

  2945.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  2946.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  2947.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  2948.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  2949.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  2950.         host.UiStateChangedCallback.emit(pluginId, value1)

  2951.     elif action == ENGINE_CALLBACK_NOTE_ON:

  2952.         host.NoteOnCallback.emit(pluginId, value1, value2, value3)

  2953.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  2954.         host.NoteOffCallback.emit(pluginId, value1, value2)

  2955.     elif action == ENGINE_CALLBACK_UPDATE:

  2956.         host.UpdateCallback.emit(pluginId)

  2957.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  2958.         host.ReloadInfoCallback.emit(pluginId)

  2959.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  2960.         host.ReloadParametersCallback.emit(pluginId)

  2961.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  2962.         host.ReloadProgramsCallback.emit(pluginId)

  2963.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  2964.         host.ReloadAllCallback.emit(pluginId)

  2965.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  2966.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  2967.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  2968.         host.PatchbayClientRemovedCallback.emit(pluginId)

  2969.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  2970.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  2971.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  2972.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  2973.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_POSITION_CHANGED:

  2974.         host.PatchbayClientPositionChangedCallback.emit(pluginId, value1, value2, value3, int(round(valuef)))

  2975.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  2976.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, value3, valueStr)

  2977.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  2978.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  2979.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_CHANGED:

  2980.         host.PatchbayPortChangedCallback.emit(pluginId, value1, value2, value3, valueStr)

  2981.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_ADDED:

  2982.         host.PatchbayPortGroupAddedCallback.emit(pluginId, value1, value2, valueStr)

  2983.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_REMOVED:

  2984.         host.PatchbayPortGroupRemovedCallback.emit(pluginId, value1)

  2985.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_CHANGED:

  2986.         host.PatchbayPortGroupChangedCallback.emit(pluginId, value1, value2, valueStr)

  2987.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  2988.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  2989.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  2990.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  2991.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  2992.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  2993.         host.EngineStartedCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  2994.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  2995.         host.EngineStoppedCallback.emit()

  2996.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2997.         host.ProcessModeChangedCallback.emit(value1)

  2998.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2999.         host.TransportModeChangedCallback.emit(value1, valueStr)

  3000.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  3001.         host.BufferSizeChangedCallback.emit(value1)

  3002.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  3003.         host.SampleRateChangedCallback.emit(valuef)

  3004.     elif action == ENGINE_CALLBACK_CANCELABLE_ACTION:

  3005.         host.CancelableActionCallback.emit(pluginId, bool(value1 != 0), valueStr)

  3006.     elif action == ENGINE_CALLBACK_PROJECT_LOAD_FINISHED:

  3007.         host.ProjectLoadFinishedCallback.emit()

  3008.     elif action == ENGINE_CALLBACK_NSM:

  3009.         host.NSMCallback.emit(value1, value2, valueStr)

  3010.     elif action == ENGINE_CALLBACK_IDLE:

  3011.         QApplication.processEvents()

  3012.     elif action == ENGINE_CALLBACK_INFO:

  3013.         host.InfoCallback.emit(valueStr)

  3014.     elif action == ENGINE_CALLBACK_ERROR:

  3015.         host.ErrorCallback.emit(valueStr)

  3016.     elif action == ENGINE_CALLBACK_QUIT:

  3017.         host.QuitCallback.emit()

  3018.     elif action == ENGINE_CALLBACK_INLINE_DISPLAY_REDRAW:

  3019.         host.InlineDisplayRedrawCallback.emit(pluginId)

  3020.     else:

  3021.         print("unhandled action", action)

  3022. 

  3023. # ------------------------------------------------------------------------------------------------------------

  3024. # File callback

  3025. 

  3026. def fileCallback(ptr, action, isDir, title, filter):

  3027.     title  = charPtrToString(title)

  3028.     filter = charPtrToString(filter)

  3029. 

  3030.     if action == FILE_CALLBACK_OPEN:

  3031.         ret, ok = QFileDialog.getOpenFileName(gCarla.gui, title, "", filter) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  3032.     elif action == FILE_CALLBACK_SAVE:

  3033.         ret, ok = QFileDialog.getSaveFileName(gCarla.gui, title, "", filter, QFileDialog.ShowDirsOnly if isDir else 0x0)

  3034.     else:

  3035.         ret, ok = ("", "")

  3036. 

  3037.     # FIXME use ok value, test if it works as expected

  3038.     if not ret:

  3039.         return None

  3040. 

  3041.     # FIXME

  3042.     global fileRet

  3043.     fileRet = c_char_p(ret.encode("utf-8"))

  3044.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  3045.     return retval.contents.value

  3046. 

  3047. # ------------------------------------------------------------------------------------------------------------

  3048. # Init host

  3049. 

  3050. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  3051.     pathBinaries, pathResources = getPaths(libPrefix)

  3052. 

  3053.     # --------------------------------------------------------------------------------------------------------

  3054.     # Fail if binary dir is not found

  3055. 

  3056.     if not os.path.exists(pathBinaries):

  3057.         if failError:

  3058.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  3059.             sys.exit(1)

  3060.         return

  3061. 

  3062.     # --------------------------------------------------------------------------------------------------------

  3063.     # Check if we should open main lib as local or global

  3064. 

  3065.     settings = QSafeSettings("falkTX", "Carla2")

  3066. 

  3067.     loadGlobal = settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL, CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL, bool)

  3068. 

  3069.     # --------------------------------------------------------------------------------------------------------

  3070.     # Set Carla library name

  3071. 

  3072.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  3073.     libname   = os.path.join(pathBinaries, libname)

  3074.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  3075. 

  3076.     # --------------------------------------------------------------------------------------------------------

  3077.     # Print info

  3078. 

  3079.     print("Carla %s started, status:" % VERSION)

  3080.     print("  Python version: %s" % sys.version.split(" ",1)[0])

  3081.     print("  Qt version:     %s" % QT_VERSION_STR)

  3082.     print("  PyQt version:   %s" % PYQT_VERSION_STR)

  3083.     print("  Binary dir:     %s" % pathBinaries)

  3084.     print("  Resources dir:  %s" % pathResources)

  3085. 

  3086.     # --------------------------------------------------------------------------------------------------------

  3087.     # Init host

  3088. 

  3089.     if failError:

  3090.         # no try

  3091.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  3092.     else:

  3093.         try:

  3094.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  3095.         except:

  3096.             host = CarlaHostQtNull()

  3097. 

  3098.     host.isControl = isControl

  3099.     host.isPlugin  = isPlugin

  3100. 

  3101.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vf,vs: engineCallback(host,a,p,v1,v2,v3,vf,vs))

  3102.     host.set_file_callback(fileCallback)

  3103. 

  3104.     # If it's a plugin the paths are already set

  3105.     if not isPlugin:

  3106.         host.pathBinaries  = pathBinaries

  3107.         host.pathResources = pathResources

  3108.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  3109.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  3110. 

  3111.         if not isControl:

  3112.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  3113. 

  3114.     # --------------------------------------------------------------------------------------------------------

  3115.     # Init utils

  3116. 

  3117.     gCarla.utils = CarlaUtils(utilsname)

  3118.     gCarla.utils.set_process_name(os.path.basename(initName))

  3119. 

  3120.     try:

  3121.         sys.stdout.flush()

  3122.     except:

  3123.         pass

  3124. 

  3125.     sys.stdout = CarlaPrint(False)

  3126.     sys.stderr = CarlaPrint(True)

  3127.     sys.excepthook = sys_excepthook

  3128. 

  3129.     # --------------------------------------------------------------------------------------------------------

  3130.     # Done

  3131. 

  3132.     return host

  3133. 

  3134. # ------------------------------------------------------------------------------------------------------------

  3135. # Load host settings

  3136. 

  3137. def loadHostSettings(host):

  3138.     # kdevelop likes this :)

  3139.     if False: host = CarlaHostNull()

  3140. 

  3141.     settings = QSafeSettings("falkTX", "Carla2")

  3142. 

  3143.     host.experimental = settings.value(CARLA_KEY_MAIN_EXPERIMENTAL, CARLA_DEFAULT_MAIN_EXPERIMENTAL, bool)

  3144.     host.exportLV2 = settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2, CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT, bool)

  3145.     host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, bool)

  3146.     host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, int)

  3147.     host.resetXruns = settings.value(CARLA_KEY_ENGINE_RESET_XRUNS, CARLA_DEFAULT_RESET_XRUNS, bool)

  3148.     host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, bool)

  3149.     host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, bool)

  3150.     host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, bool)

  3151.     host.preventBadBehaviour = settings.value(CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, bool)

  3152.     host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, bool)

  3153.     host.showPluginBridges = settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, bool)

  3154.     host.showWineBridges = settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, bool)

  3155.     host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, int)

  3156.     host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, bool)

  3157. 

  3158.     if host.isPlugin:

  3159.         return

  3160. 

  3161.     host.transportExtra = settings.value(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, "", str)

  3162. 

  3163.     # enums

  3164.     if host.audioDriverForced is None:

  3165.         host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, int)

  3166. 

  3167.     if not host.processModeForced:

  3168.         host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, int)

  3169. 

  3170.     host.nextProcessMode = host.processMode

  3171. 

  3172.     # --------------------------------------------------------------------------------------------------------

  3173.     # fix things if needed

  3174. 

  3175.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  3176.         if LADISH_APP_NAME:

  3177.             print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  3178.             host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  3179. 

  3180.         else:

  3181.             host.transportMode = ENGINE_TRANSPORT_MODE_JACK

  3182. 

  3183.     if gCarla.nogui:

  3184.         host.showLogs = False

  3185. 

  3186.     # --------------------------------------------------------------------------------------------------------

  3187.     # run headless host now if nogui option enabled

  3188. 

  3189.     if gCarla.nogui:

  3190.         runHostWithoutUI(host)

  3191. 

  3192. # ------------------------------------------------------------------------------------------------------------

  3193. # Set host settings

  3194. 

  3195. def setHostSettings(host):

  3196.     # kdevelop likes this :)

  3197.     if False: host = CarlaHostNull()

  3198. 

  3199.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  3200.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  3201.     host.set_engine_option(ENGINE_OPTION_RESET_XRUNS,           host.resetXruns,          "")

  3202.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  3203.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  3204.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  3205.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  3206.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  3207. 

  3208.     if host.isPlugin or host.isRemote or host.is_engine_running():

  3209.         return

  3210. 

  3211.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  3212.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       host.transportExtra)

  3213.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  3214. 

  3215. # ------------------------------------------------------------------------------------------------------------

  3216. # Set Engine settings according to carla preferences. Returns selected audio driver.

  3217. 

  3218. def setEngineSettings(host, oscPort = None):

  3219.     # kdevelop likes this :)

  3220.     if False: host = CarlaHostNull()

  3221. 

  3222.     # --------------------------------------------------------------------------------------------------------

  3223.     # do nothing if control

  3224. 

  3225.     if host.isControl:

  3226.         return "Control"

  3227. 

  3228.     # --------------------------------------------------------------------------------------------------------

  3229. 

  3230.     settings = QSafeSettings("falkTX", "Carla2")

  3231. 

  3232.     # --------------------------------------------------------------------------------------------------------

  3233.     # main settings

  3234. 

  3235.     setHostSettings(host)

  3236. 

  3237.     # --------------------------------------------------------------------------------------------------------

  3238.     # file paths

  3239. 

  3240.     FILE_PATH_AUDIO = settings.value(CARLA_KEY_PATHS_AUDIO, CARLA_DEFAULT_FILE_PATH_AUDIO, list)

  3241.     FILE_PATH_MIDI  = settings.value(CARLA_KEY_PATHS_MIDI,  CARLA_DEFAULT_FILE_PATH_MIDI, list)

  3242. 

  3243.     host.set_engine_option(ENGINE_OPTION_FILE_PATH, FILE_AUDIO, splitter.join(FILE_PATH_AUDIO))

  3244.     host.set_engine_option(ENGINE_OPTION_FILE_PATH, FILE_MIDI,  splitter.join(FILE_PATH_MIDI))

  3245. 

  3246.     # --------------------------------------------------------------------------------------------------------

  3247.     # plugin paths

  3248. 

  3249.     LADSPA_PATH = settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH, list)

  3250.     DSSI_PATH   = settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH, list)

  3251.     LV2_PATH    = settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH, list)

  3252.     VST2_PATH   = settings.value(CARLA_KEY_PATHS_VST2,   CARLA_DEFAULT_VST2_PATH, list)

  3253.     VST3_PATH   = settings.value(CARLA_KEY_PATHS_VST3,   CARLA_DEFAULT_VST3_PATH, list)

  3254.     SF2_PATH    = settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH, list)

  3255.     SFZ_PATH    = settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH, list)

  3256. 

  3257.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  3258.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  3259.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  3260.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2,   splitter.join(VST2_PATH))

  3261.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST3,   splitter.join(VST3_PATH))

  3262.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  3263.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  3264. 

  3265.     # --------------------------------------------------------------------------------------------------------

  3266.     # don't continue if plugin

  3267. 

  3268.     if host.isPlugin:

  3269.         return "Plugin"

  3270. 

  3271.     # --------------------------------------------------------------------------------------------------------

  3272.     # osc settings

  3273. 

  3274.     if oscPort is not None and isinstance(oscPort, int):

  3275.         oscEnabled = True

  3276.         portNumTCP = portNumUDP = oscPort

  3277. 

  3278.     else:

  3279.         oscEnabled = settings.value(CARLA_KEY_OSC_ENABLED, CARLA_DEFAULT_OSC_ENABLED, bool)

  3280. 

  3281.         if not settings.value(CARLA_KEY_OSC_TCP_PORT_ENABLED, CARLA_DEFAULT_OSC_TCP_PORT_ENABLED, bool):

  3282.             portNumTCP = -1

  3283.         elif settings.value(CARLA_KEY_OSC_TCP_PORT_RANDOM, CARLA_DEFAULT_OSC_TCP_PORT_RANDOM, bool):

  3284.             portNumTCP = 0

  3285.         else:

  3286.             portNumTCP = settings.value(CARLA_KEY_OSC_TCP_PORT_NUMBER, CARLA_DEFAULT_OSC_TCP_PORT_NUMBER, int)

  3287. 

  3288.         if not settings.value(CARLA_KEY_OSC_UDP_PORT_ENABLED, CARLA_DEFAULT_OSC_UDP_PORT_ENABLED, bool):

  3289.             portNumUDP = -1

  3290.         elif settings.value(CARLA_KEY_OSC_UDP_PORT_RANDOM, CARLA_DEFAULT_OSC_UDP_PORT_RANDOM, bool):

  3291.             portNumUDP = 0

  3292.         else:

  3293.             portNumUDP = settings.value(CARLA_KEY_OSC_UDP_PORT_NUMBER, CARLA_DEFAULT_OSC_UDP_PORT_NUMBER, int)

  3294. 

  3295.     host.set_engine_option(ENGINE_OPTION_OSC_ENABLED, 1 if oscEnabled else 0, "")

  3296.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_TCP, portNumTCP, "")

  3297.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_UDP, portNumUDP, "")

  3298. 

  3299.     # --------------------------------------------------------------------------------------------------------

  3300.     # wine settings

  3301. 

  3302.     optWineExecutable = settings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, str)

  3303.     optWineAutoPrefix = settings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, bool)

  3304.     optWineFallbackPrefix = settings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, str)

  3305.     optWineRtPrioEnabled = settings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, bool)

  3306.     optWineBaseRtPrio = settings.value(CARLA_KEY_WINE_BASE_RT_PRIO,   CARLA_DEFAULT_WINE_BASE_RT_PRIO, int)

  3307.     optWineServerRtPrio = settings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, int)

  3308. 

  3309.     host.set_engine_option(ENGINE_OPTION_WINE_EXECUTABLE, 0, optWineExecutable)

  3310.     host.set_engine_option(ENGINE_OPTION_WINE_AUTO_PREFIX, 1 if optWineAutoPrefix else 0, "")

  3311.     host.set_engine_option(ENGINE_OPTION_WINE_FALLBACK_PREFIX, 0, os.path.expanduser(optWineFallbackPrefix))

  3312.     host.set_engine_option(ENGINE_OPTION_WINE_RT_PRIO_ENABLED, 1 if optWineRtPrioEnabled else 0, "")

  3313.     host.set_engine_option(ENGINE_OPTION_WINE_BASE_RT_PRIO, optWineBaseRtPrio, "")

  3314.     host.set_engine_option(ENGINE_OPTION_WINE_SERVER_RT_PRIO, optWineServerRtPrio, "")

  3315. 

  3316.     # --------------------------------------------------------------------------------------------------------

  3317.     # driver and device settings

  3318. 

  3319.     # driver name

  3320.     if host.audioDriverForced is not None:

  3321.         audioDriver = host.audioDriverForced

  3322.     else:

  3323.         try:

  3324.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, str)

  3325.         except:

  3326.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  3327. 

  3328.     # driver options

  3329.     audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", str)

  3330.     audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, int)

  3331.     audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, int)

  3332.     audioTripleBuffer = settings.value("%s%s/TripleBuffer" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER, bool)

  3333. 

  3334.     # Only setup audio things if engine is not running

  3335.     if not host.is_engine_running():

  3336.         host.set_engine_option(ENGINE_OPTION_AUDIO_DRIVER, 0, audioDriver)

  3337.         host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE, 0, audioDevice)

  3338. 

  3339.         if not audioDriver.startswith("JACK"):

  3340.             host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  3341.             host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  3342.             host.set_engine_option(ENGINE_OPTION_AUDIO_TRIPLE_BUFFER, 1 if audioTripleBuffer else 0, "")

  3343. 

  3344.     # --------------------------------------------------------------------------------------------------------

  3345.     # fix things if needed

  3346. 

  3347.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  3348.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  3349.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, host.transportExtra)

  3350. 

  3351.     # --------------------------------------------------------------------------------------------------------

  3352.     # return selected driver name

  3353. 

  3354.     return audioDriver

  3355. 

  3356. # ------------------------------------------------------------------------------------------------------------

  3357. # Run Carla without showing UI

  3358. 

  3359. def runHostWithoutUI(host):

  3360.     # kdevelop likes this :)

  3361.     if False: host = CarlaHostNull()

  3362. 

  3363.     # --------------------------------------------------------------------------------------------------------

  3364.     # Some initial checks

  3365. 

  3366.     if not gCarla.nogui:

  3367.         return

  3368. 

  3369.     if not isinstance(gCarla.nogui, int):

  3370.         oscPort = None

  3371.         projectFile = getInitialProjectFile(True)

  3372. 

  3373.         if not projectFile:

  3374.             print("Carla no-gui mode can only be used together with a project file.")

  3375.             sys.exit(1)

  3376. 

  3377.     else:

  3378.         oscPort = gCarla.nogui

  3379. 

  3380.     # --------------------------------------------------------------------------------------------------------

  3381.     # Additional imports

  3382. 

  3383.     from time import sleep

  3384. 

  3385.     # --------------------------------------------------------------------------------------------------------

  3386.     # Init engine

  3387. 

  3388.     audioDriver = setEngineSettings(host, oscPort)

  3389.     if not host.engine_init(audioDriver, "Carla"):

  3390.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  3391.         sys.exit(1)

  3392. 

  3393.     if oscPort is None and not host.load_project(projectFile):

  3394.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  3395.         host.engine_close()

  3396.         sys.exit(1)

  3397. 

  3398.     # --------------------------------------------------------------------------------------------------------

  3399.     # Idle

  3400. 

  3401.     print("Carla ready!")

  3402. 

  3403.     while host.is_engine_running() and not gCarla.term:

  3404.         host.engine_idle()

  3405.         sleep(0.0333) # 30 Hz

  3406. 

  3407.     # --------------------------------------------------------------------------------------------------------

  3408.     # Stop

  3409. 

  3410.     host.engine_close()

  3411.     sys.exit(0)

  3412. 

  3413. # ------------------------------------------------------------------------------------------------------------