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

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  1. #!/usr/bin/env python3

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

  3. 

  4. # Carla host code

  5. # Copyright (C) 2011-2022 Filipe Coelho <falktx@falktx.com>

  6. #

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

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

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

  10. # the License, or any later version.

  11. #

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

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

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

  15. # GNU General Public License for more details.

  16. #

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

  18. 

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

  20. # Imports (Global)

  21. 

  22. import json

  23. 

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

  25. # Imports (ctypes)

  26. 

  27. from ctypes import (

  28.     byref, pointer

  29. )

  30. 

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

  32. # Imports (PyQt5)

  33. 

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

  35. try:

  36.     from PyQt5.Qt import PYQT_VERSION

  37. except ImportError:

  38.     PYQT_VERSION = 0x50600

  39. 

  40. from PyQt5.QtCore import (

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

  42. )

  43. from PyQt5.QtGui import (

  44.     QImage, QImageWriter, QPainter, QPalette, QBrush

  45. )

  46. from PyQt5.QtWidgets import (

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

  48. )

  49. 

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

  51. # Imports (Custom)

  52. 

  53. import ui_carla_host

  54. 

  55. from carla_app import *

  56. from carla_backend import *

  57. from carla_backend_qt import CarlaHostQtDLL, CarlaHostQtNull

  58. from carla_frontend import CarlaFrontendLib

  59. from carla_shared import *

  60. from carla_settings import *

  61. from carla_utils import *

  62. from carla_widgets import *

  63. 

  64. from patchcanvas import patchcanvas

  65. from widgets.digitalpeakmeter import DigitalPeakMeter

  66. from widgets.pixmapkeyboard import PixmapKeyboardHArea

  67. 

  68. # ------------------------------------------------------------------------------------------------------------

  69. # Try Import OpenGL

  70. 

  71. try:

  72.     from PyQt5.QtOpenGL import QGLWidget

  73.     hasGL = True

  74. except:

  75.     hasGL = False

  76. 

  77. # ------------------------------------------------------------------------------------------------------------

  78. # Safe exception hook, needed for PyQt5

  79. 

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

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

  82. 

  83. # ------------------------------------------------------------------------------------------------------------

  84. # Session Management support

  85. 

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

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

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

  89. 

  90. # ------------------------------------------------------------------------------------------------------------

  91. # Small print helper

  92. 

  93. def processMode2Str(processMode):

  94.     if processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT:

  95.         return "Single client"

  96.     if processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  97.         return "Multi client"

  98.     if processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK:

  99.         return "Continuous Rack"

  100.     if processMode == ENGINE_PROCESS_MODE_PATCHBAY:

  101.         return "Patchbay"

  102.     if processMode == ENGINE_PROCESS_MODE_BRIDGE:

  103.         return "Bridge"

  104.     return "Unknown"

  105. 

  106. # ------------------------------------------------------------------------------------------------------------

  107. # Carla Print class

  108. 

  109. class CarlaPrint:

  110.     def __init__(self, err):

  111.         self.err = err

  112. 

  113.     def flush(self):

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

  115. 

  116.     def write(self, string):

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

  118. 

  119. # ------------------------------------------------------------------------------------------------------------

  120. # Host Window

  121. 

  122. class HostWindow(QMainWindow):

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

  124.     # signals

  125.     SIGTERM = pyqtSignal()

  126.     SIGUSR1 = pyqtSignal()

  127. 

  128.     # CustomActions

  129.     CUSTOM_ACTION_NONE         = 0

  130.     CUSTOM_ACTION_APP_CLOSE    = 1

  131.     CUSTOM_ACTION_PROJECT_LOAD = 2

  132. 

  133.     # --------------------------------------------------------------------------------------------------------

  134. 

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

  136.         QMainWindow.__init__(self, parent)

  137.         self.host = host

  138.         self.ui = ui_carla_host.Ui_CarlaHostW()

  139.         self.ui.setupUi(self)

  140.         gCarla.gui = self

  141. 

  142.         if False:

  143.             # kdevelop likes this :)

  144.             host = CarlaHostNull()

  145.             self.host = host

  146. 

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

  148. 

  149.         self.fParentOrSelf = parent or self

  150. 

  151.         # ----------------------------------------------------------------------------------------------------

  152.         # Internal stuff

  153. 

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

  155.         self.fIdleTimerFast = 0

  156.         self.fIdleTimerSlow = 0

  157. 

  158.         self.fLadspaRdfNeedsUpdate = True

  159.         self.fLadspaRdfList = []

  160. 

  161.         self.fPluginCount = 0

  162.         self.fPluginList  = []

  163. 

  164.         self.fPluginListDialog = None

  165.         self.fFavoritePlugins = []

  166. 

  167.         self.fProjectFilename  = ""

  168.         self.fIsProjectLoading = False

  169.         self.fCurrentlyRemovingAllPlugins = False

  170.         self.fHasLoadedLv2Plugins = False

  171. 

  172.         self.fLastTransportBPM   = 0.0

  173.         self.fLastTransportFrame = 0

  174.         self.fLastTransportState = False

  175.         self.fBufferSize         = 0

  176.         self.fSampleRate         = 0.0

  177.         self.fOscAddressTCP      = ""

  178.         self.fOscAddressUDP      = ""

  179. 

  180.         if MACOS:

  181.             self.fMacClosingHelper = True

  182. 

  183.         # CancelableActionCallback Box

  184.         self.fCancelableActionBox = None

  185. 

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

  187.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  188. 

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

  190.         self.fFirstEngineInit = True

  191. 

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

  193.         self.fSavedSettings = {}

  194. 

  195.         # true if NSM server handles our window management

  196.         self.fWindowCloseHideGui = False

  197. 

  198.         if host.isControl:

  199.             self.fClientName         = "Carla-Control"

  200.             self.fSessionManagerName = "Control"

  201.         elif host.isPlugin:

  202.             self.fClientName         = "Carla-Plugin"

  203.             self.fSessionManagerName = "Plugin"

  204.         elif LADISH_APP_NAME:

  205.             self.fClientName         = LADISH_APP_NAME

  206.             self.fSessionManagerName = ""

  207.         elif NSM_URL and host.nsmOK:

  208.             self.fClientName         = "Carla.tmp"

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

  210.             self.fWindowCloseHideGui = True

  211.         else:

  212.             self.fClientName         = CARLA_CLIENT_NAME or "Carla"

  213.             self.fSessionManagerName = ""

  214. 

  215.         # ----------------------------------------------------------------------------------------------------

  216.         # Internal stuff (patchbay)

  217. 

  218.         self.fPeaksCleared = True

  219. 

  220.         self.fExternalPatchbay = False

  221.         self.fSelectedPlugins  = []

  222. 

  223.         self.fCanvasWidth  = 0

  224.         self.fCanvasHeight = 0

  225.         self.fMiniCanvasUpdateTimeout = 0

  226. 

  227.         self.fWithCanvas = withCanvas

  228. 

  229.         # ----------------------------------------------------------------------------------------------------

  230.         # Internal stuff (logs)

  231. 

  232.         self.autoscrollOnNewLog = True

  233.         self.lastLogSliderPos = 0

  234. 

  235.         # ----------------------------------------------------------------------------------------------------

  236.         # Set up GUI (engine stopped)

  237. 

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

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

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

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

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

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

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

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

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

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

  248. 

  249.             if self.host.isControl:

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

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

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

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

  254.             else:

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

  256. 

  257.                 if not withCanvas:

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

  259. 

  260.         else:

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

  262. 

  263.             if WINDOWS:

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

  265. 

  266.         if self.host.isControl:

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

  268.         else:

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

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

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

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

  273. 

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

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

  276. 

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

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

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

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

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

  282. 

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

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

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

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

  287. 

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

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

  290. 

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

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

  293. 

  294.         if not withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  312.             self.ui.tw_miniCanvas.hide()

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

  314.             if WINDOWS:

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

  316. 

  317.         # ----------------------------------------------------------------------------------------------------

  318.         # Set up GUI (disk)

  319. 

  320.         exts = gCarla.utils.get_supported_file_extensions()

  321. 

  322.         self.fDirModel = QFileSystemModel(self)

  323.         self.fDirModel.setRootPath(HOME)

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

  325. 

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

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

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

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

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

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

  332. 

  333.         # ----------------------------------------------------------------------------------------------------

  334.         # Set up GUI (transport)

  335. 

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

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

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

  339. 

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

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

  342. 

  343.         if minLabelWidth < labelTimeWidth:

  344.             minLabelWidth = labelTimeWidth

  345.         if minLabelWidth < labelBBTWidth:

  346.             minLabelWidth = labelBBTWidth

  347. 

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

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

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

  351. 

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

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

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

  355. 

  356.         if host.isPlugin:

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

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

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

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

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

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

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

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

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

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

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

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

  369. 

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

  371. 

  372.         # ----------------------------------------------------------------------------------------------------

  373.         # Set up GUI (rack)

  374. 

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

  376. 

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

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

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

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

  381. 

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

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

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

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

  386. 

  387.         self.updateStyle()

  388. 

  389.         self.ui.rack.setStyleSheet("""

  390.           CarlaRackList#CarlaRackList {

  391.             background-color: black;

  392.           }

  393.         """)

  394. 

  395.         # ----------------------------------------------------------------------------------------------------

  396.         # Set up GUI (patchbay)

  397. 

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

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

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

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

  402. 

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

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

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

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

  407. 

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

  409.         self.ui.keyboard   = self.ui.scrollArea.keyboard

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

  411. 

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

  413. 

  414.         self.ui.miniCanvasPreview.setRealParent(self)

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

  416. 

  417.         # ----------------------------------------------------------------------------------------------------

  418.         # Set up GUI (logs)

  419. 

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

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

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

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

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

  425. 

  426.         # ----------------------------------------------------------------------------------------------------

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

  428. 

  429.         if MACOS:

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

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

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

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

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

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

  436. 

  437.         # ----------------------------------------------------------------------------------------------------

  438.         # Load Settings

  439. 

  440.         self.loadSettings(True)

  441. 

  442.         # ----------------------------------------------------------------------------------------------------

  443.         # Set-up Canvas

  444. 

  445.         if withCanvas:

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

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

  448. 

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

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

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

  452. 

  453.             self.setupCanvas()

  454. 

  455.         # ----------------------------------------------------------------------------------------------------

  456.         # Set-up Icons

  457. 

  458.         if self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS]:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  488. 

  489.         # ----------------------------------------------------------------------------------------------------

  490.         # Connect actions to functions

  491. 

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

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

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

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

  496. 

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

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

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

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

  501. 

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

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

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

  505. 

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

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

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

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

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

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

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

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

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

  515. 

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

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

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

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

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

  521. 

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

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

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

  525. 

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

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

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

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

  530. 

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

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

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

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

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

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

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

  538. 

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

  540. 

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

  542. 

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

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

  545. 

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

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

  548. 

  549.         if withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  569. 

  570.         self.SIGUSR1.connect(self.slot_handleSIGUSR1)

  571.         self.SIGTERM.connect(self.slot_handleSIGTERM)

  572. 

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

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

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

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

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

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

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

  580. 

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

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

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

  584. 

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

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

  587. 

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

  589. 

  590.         if withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

  604. 

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

  606. 

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

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

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

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

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

  612. 

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

  614.         # Final setup

  615. 

  616.         self.ui.text_logs.clear()

  617.         self.slot_logButtonsState(False)

  618.         self.setProperWindowTitle()

  619. 

  620.         # Disable non-supported features

  621.         features = gCarla.utils.get_supported_features()

  622. 

  623.         if "link" not in features:

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

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

  626. 

  627.         if "juce" not in features:

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

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

  630. 

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

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

  633.             self.startTimers()

  634. 

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

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

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

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

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

  640. 

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

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

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

  644. 

  645.         # Load initial project file if set

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

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

  648. 

  649.             if projectFile:

  650.                 self.loadProjectLater(projectFile)

  651. 

  652.         # For NSM we wait for the open message

  653.         if NSM_URL and host.nsmOK:

  654.             host.nsm_ready(NSM_CALLBACK_INIT)

  655.             return

  656. 

  657.         if not host.isControl:

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

  659. 

  660.     # --------------------------------------------------------------------------------------------------------

  661.     # Manage visibility state, needed for NSM

  662. 

  663.     def hideForNSM(self):

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

  665.             if pitem is None:

  666.                 continue

  667.             pitem.getWidget().hideCustomUI()

  668.         self.hide()

  669. 

  670.     def showIfNeeded(self):

  671.         if self.host.nsmOK:

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

  673.             QApplication.instance().setQuitOnLastWindowClosed(False)

  674.         else:

  675.             self.show()

  676. 

  677.     # --------------------------------------------------------------------------------------------------------

  678.     # Setup

  679. 

  680.     def compactPlugin(self, pluginId):

  681.         if pluginId > self.fPluginCount:

  682.             return

  683. 

  684.         pitem = self.fPluginList[pluginId]

  685. 

  686.         if pitem is None:

  687.             return

  688. 

  689.         pitem.recreateWidget(True)

  690. 

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

  692.         if pluginId > self.fPluginCount:

  693.             return

  694. 

  695.         pitem = self.fPluginList[pluginId]

  696. 

  697.         if pitem is None:

  698.             return

  699. 

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

  701.         pitem.recreateWidget(newColor = color)

  702. 

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

  704.         if pluginId > self.fPluginCount:

  705.             return

  706. 

  707.         pitem = self.fPluginList[pluginId]

  708. 

  709.         if pitem is None:

  710.             return

  711. 

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

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

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

  715.         else:

  716.             pitem.recreateWidget(newSkin = skin)

  717. 

  718.     def findPluginInPatchbay(self, pluginId):

  719.         if pluginId > self.fPluginCount:

  720.             return

  721. 

  722.         if self.fExternalPatchbay:

  723.             self.slot_canvasShowInternal()

  724. 

  725.         if not patchcanvas.focusGroupUsingPluginId(pluginId):

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

  727.             if not patchcanvas.focusGroupUsingGroupName(name):

  728.                 return

  729. 

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

  731. 

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

  733.         if pluginIdA == pluginIdB:

  734.             return

  735.         if pluginIdA < 0 or pluginIdB < 0:

  736.             return

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

  738.             return

  739. 

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

  741. 

  742.         itemA = self.fPluginList[pluginIdA]

  743.         compactA = itemA.isCompacted()

  744.         guiShownA = itemA.isGuiShown()

  745. 

  746.         itemB = self.fPluginList[pluginIdB]

  747.         compactB = itemB.isCompacted()

  748.         guiShownB = itemB.isGuiShown()

  749. 

  750.         itemA.setPluginId(pluginIdA)

  751.         itemA.recreateWidget2(compactB, guiShownB)

  752. 

  753.         itemB.setPluginId(pluginIdB)

  754.         itemB.recreateWidget2(compactA, guiShownA)

  755. 

  756.         if self.fWithCanvas:

  757.             self.slot_canvasRefresh()

  758. 

  759.     def setLoadRDFsNeeded(self):

  760.         self.fLadspaRdfNeedsUpdate = True

  761. 

  762.     def setProperWindowTitle(self):

  763.         title = self.fClientName

  764. 

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

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

  767.         if self.fSessionManagerName:

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

  769. 

  770.         self.setWindowTitle(title)

  771. 

  772.     def updateBufferSize(self, newBufferSize):

  773.         if self.fBufferSize == newBufferSize:

  774.             return

  775.         self.fBufferSize = newBufferSize

  776.         self.ui.cb_buffer_size.clear()

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

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

  779. 

  780.     def updateSampleRate(self, newSampleRate):

  781.         if self.fSampleRate == newSampleRate:

  782.             return

  783.         self.fSampleRate = newSampleRate

  784.         self.ui.cb_sample_rate.clear()

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

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

  787.         self.refreshTransport(True)

  788. 

  789.     # --------------------------------------------------------------------------------------------------------

  790.     # Files

  791. 

  792.     def loadProjectNow(self):

  793.         if not self.fProjectFilename:

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

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

  796.             return

  797. 

  798.         self.projectLoadingStarted()

  799.         self.fIsProjectLoading = True

  800. 

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

  802.             self.fIsProjectLoading = False

  803.             self.projectLoadingFinished(True)

  804. 

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

  806.                              self.host.get_last_error(),

  807.                              QMessageBox.Ok, QMessageBox.Ok)

  808. 

  809.     def loadProjectLater(self, filename):

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

  811.         self.setProperWindowTitle()

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

  813. 

  814.     def saveProjectNow(self):

  815.         if not self.fProjectFilename:

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

  817. 

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

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

  820.                              self.host.get_last_error(),

  821.                              QMessageBox.Ok, QMessageBox.Ok)

  822.             return

  823. 

  824.     def projectLoadingStarted(self):

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

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

  827. 

  828.     def projectLoadingFinished(self, refreshCanvas):

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

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

  831. 

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

  833.             return

  834. 

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

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

  837. 

  838.     def loadExternalCanvasGroupPositionsIfNeeded(self, filename):

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

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

  841.             return False

  842. 

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

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

  845.                 return False

  846. 

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

  848.             try:

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

  850.             except:

  851.                 return False

  852. 

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

  854.         patchcanvas.restoreGroupPositions(canvasdata)

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

  856.         return True

  857. 

  858.     # --------------------------------------------------------------------------------------------------------

  859.     # Files (menu actions)

  860. 

  861.     @pyqtSlot()

  862.     def slot_fileNew(self):

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

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

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

  866.             return

  867. 

  868.         self.pluginRemoveAll()

  869.         self.fProjectFilename = ""

  870.         self.setProperWindowTitle()

  871.         self.host.clear_project_filename()

  872. 

  873.     @pyqtSlot()

  874.     def slot_fileOpen(self):

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

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

  877. 

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

  879.         if not filename:

  880.             return

  881. 

  882.         newFile = True

  883. 

  884.         if self.fPluginCount > 0:

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

  886.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  888. 

  889.         if newFile:

  890.             self.pluginRemoveAll()

  891.             self.fProjectFilename = filename

  892.             self.setProperWindowTitle()

  893.             self.loadProjectNow()

  894.         else:

  895.             filenameOld = self.fProjectFilename

  896.             self.fProjectFilename = filename

  897.             self.loadProjectNow()

  898.             self.fProjectFilename = filenameOld

  899. 

  900.     @pyqtSlot()

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

  902.         if self.fProjectFilename and not saveAs:

  903.             return self.saveProjectNow()

  904. 

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

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

  907. 

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

  909.         if not filename:

  910.             return

  911. 

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

  913.             filename += ".carxp"

  914. 

  915.         if self.fProjectFilename != filename:

  916.             self.fProjectFilename = filename

  917.             self.setProperWindowTitle()

  918. 

  919.         self.saveProjectNow()

  920. 

  921.     @pyqtSlot()

  922.     def slot_fileSaveAs(self):

  923.         self.slot_fileSave(True)

  924. 

  925.     @pyqtSlot()

  926.     def slot_loadProjectNow(self):

  927.         self.loadProjectNow()

  928. 

  929.     # --------------------------------------------------------------------------------------------------------

  930.     # Engine (menu actions)

  931. 

  932.     @pyqtSlot()

  933.     def slot_engineStart(self):

  934.         audioDriver = setEngineSettings(self.host, self.fSavedSettings)

  935. 

  936.         firstInit = self.fFirstEngineInit

  937.         self.fFirstEngineInit = False

  938. 

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

  940. 

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

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

  943.                 settings = QSafeSettings()

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

  945.                 del settings

  946.                 if lastBpm >= 20.0:

  947.                     self.host.transport_bpm(lastBpm)

  948.             return

  949. 

  950.         elif firstInit:

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

  952.             return

  953. 

  954.         audioError = self.host.get_last_error()

  955. 

  956.         if audioError:

  957.             QMessageBox.critical(self, self.tr("Error"),

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

  959.         else:

  960.             QMessageBox.critical(self, self.tr("Error"),

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

  962. 

  963.     @pyqtSlot()

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

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

  966. 

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

  968.             self.engineStopFinal()

  969.             return True

  970. 

  971.         if not forced:

  972.             ask = QMessageBox.question(self, self.tr("Warning"), self.tr("There are still some plugins loaded, you need to remove them to stop the engine.\n"

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

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

  975.             if ask != QMessageBox.Yes:

  976.                 return False

  977. 

  978.         return self.slot_engineStopTryAgain()

  979. 

  980.     @pyqtSlot()

  981.     def slot_engineConfig(self):

  982.         engineRunning = self.host.is_engine_running()

  983. 

  984.         if engineRunning:

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

  986. 

  987.         else:

  988.             if self.host.isPlugin:

  989.                 driverName = "Plugin"

  990.                 driverIndex = 0

  991.             elif self.host.audioDriverForced:

  992.                 driverName = self.host.audioDriverForced

  993.                 driverIndex = 0

  994.             else:

  995.                 settings = QSafeSettings()

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

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

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

  999.                         driverIndex = i

  1000.                         break

  1001.                 else:

  1002.                     driverIndex = -1

  1003.                 del settings

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

  1005.             dialog.ui.ico_restart.hide()

  1006.             dialog.ui.label_restart.hide()

  1007.             dialog.adjustSize()

  1008. 

  1009.         if not dialog.exec_():

  1010.             return

  1011. 

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

  1013. 

  1014.         if engineRunning:

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

  1016.         else:

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

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

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

  1020. 

  1021.     @pyqtSlot()

  1022.     def slot_engineStopTryAgain(self):

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

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

  1025.             return False

  1026. 

  1027.         self.engineStopFinal()

  1028.         return True

  1029. 

  1030.     def engineStopFinal(self):

  1031.         patchcanvas.handleAllPluginsRemoved()

  1032.         self.killTimers()

  1033. 

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

  1035.             self.removeAllPlugins()

  1036.         else:

  1037.             self.fProjectFilename = ""

  1038.             self.setProperWindowTitle()

  1039.             if self.fPluginCount != 0:

  1040.                 self.fCurrentlyRemovingAllPlugins = True

  1041.                 self.projectLoadingStarted()

  1042. 

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

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

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

  1046. 

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

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

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

  1050. 

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

  1052.             self.close()

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

  1054.             self.slot_engineStart()

  1055.             self.loadProjectNow()

  1056.             self.host.nsm_ready(NSM_CALLBACK_OPEN)

  1057. 

  1058.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  1059. 

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

  1061.     # Engine (host callbacks)

  1062. 

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

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

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

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

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

  1068. 

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

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

  1071. 

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

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

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

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

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

  1077.             self.fExternalPatchbay = False

  1078.         else:

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

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

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

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

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

  1084. 

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

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

  1087. 

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

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

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

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

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

  1093. 

  1094.         if not self.host.isPlugin:

  1095.             self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1096. 

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

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

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

  1100. 

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

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

  1103. 

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

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

  1106. 

  1107.         self.updateBufferSize(bufferSize)

  1108.         self.updateSampleRate(int(sampleRate))

  1109.         self.refreshRuntimeInfo(0.0, 0)

  1110.         self.startTimers()

  1111. 

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

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

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

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

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

  1117. 

  1118.     @pyqtSlot()

  1119.     def slot_handleEngineStoppedCallback(self):

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

  1121. 

  1122.         if self.fWithCanvas:

  1123.             patchcanvas.clear()

  1124. 

  1125.         self.killTimers()

  1126. 

  1127.         # just in case

  1128.         self.removeAllPlugins()

  1129.         self.refreshRuntimeInfo(0.0, 0)

  1130. 

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

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

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

  1134. 

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

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

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

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

  1139. 

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

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

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

  1143. 

  1144.     @pyqtSlot(int, str)

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

  1146.         self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1147. 

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

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

  1150. 

  1151.     @pyqtSlot(int)

  1152.     def slot_handleBufferSizeChangedCallback(self, newBufferSize):

  1153.         self.updateBufferSize(newBufferSize)

  1154. 

  1155.     @pyqtSlot(float)

  1156.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  1157.         self.updateSampleRate(int(newSampleRate))

  1158. 

  1159.     @pyqtSlot(int, bool, str)

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

  1161.         if self.fCancelableActionBox is not None:

  1162.             self.fCancelableActionBox.close()

  1163. 

  1164.         if started:

  1165.             self.fCancelableActionBox = QMessageBox(self)

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

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

  1168.             self.fCancelableActionBox.setText(action)

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

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

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

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

  1173.             self.fCancelableActionBox.show()

  1174. 

  1175.         else:

  1176.             self.fCancelableActionBox = None

  1177. 

  1178.     @pyqtSlot()

  1179.     def slot_canlableActionBoxClicked(self):

  1180.         self.host.cancel_engine_action()

  1181. 

  1182.     @pyqtSlot()

  1183.     def slot_handleProjectLoadFinishedCallback(self):

  1184.         self.fIsProjectLoading = False

  1185.         self.projectLoadingFinished(False)

  1186. 

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

  1188.     # Plugins

  1189. 

  1190.     def removeAllPlugins(self):

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

  1192.         patchcanvas.handleAllPluginsRemoved()

  1193. 

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

  1195.             pass

  1196. 

  1197.         self.clearSideStuff()

  1198. 

  1199.         for pitem in self.fPluginList:

  1200.             if pitem is None:

  1201.                 continue

  1202. 

  1203.             pitem.close()

  1204.             del pitem

  1205. 

  1206.         self.fPluginCount = 0

  1207.         self.fPluginList  = []

  1208. 

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

  1210.     # Plugins (menu actions)

  1211. 

  1212.     def showAddPluginDialog(self):

  1213.         # TODO self.fHasLoadedLv2Plugins

  1214.         if self.fPluginListDialog is None:

  1215.             hostSettings = {

  1216.                 'showPluginBridges': self.fSavedSettings[CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES],

  1217.                 'showWineBridges': self.fSavedSettings[CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES],

  1218.                 'useSystemIcons': self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS],

  1219.                 'wineAutoPrefix': self.fSavedSettings[CARLA_KEY_WINE_AUTO_PREFIX],

  1220.                 'wineExecutable': self.fSavedSettings[CARLA_KEY_WINE_EXECUTABLE],

  1221.                 'wineFallbackPrefix': self.fSavedSettings[CARLA_KEY_WINE_FALLBACK_PREFIX],

  1222.             }

  1223.             self.fPluginListDialog = d = gCarla.felib.createPluginListDialog(self.fParentOrSelf, hostSettings)

  1224. 

  1225.             gCarla.felib.setPluginListDialogPath(d, PLUGIN_LADSPA, self.fSavedSettings[CARLA_KEY_PATHS_LADSPA])

  1226.             gCarla.felib.setPluginListDialogPath(d, PLUGIN_DSSI, self.fSavedSettings[CARLA_KEY_PATHS_DSSI])

  1227.             gCarla.felib.setPluginListDialogPath(d, PLUGIN_LV2, self.fSavedSettings[CARLA_KEY_PATHS_LV2])

  1228.             gCarla.felib.setPluginListDialogPath(d, PLUGIN_VST2, self.fSavedSettings[CARLA_KEY_PATHS_VST2])

  1229.             gCarla.felib.setPluginListDialogPath(d, PLUGIN_VST3, self.fSavedSettings[CARLA_KEY_PATHS_VST3])

  1230.             gCarla.felib.setPluginListDialogPath(d, PLUGIN_SF2, self.fSavedSettings[CARLA_KEY_PATHS_SF2])

  1231.             gCarla.felib.setPluginListDialogPath(d, PLUGIN_SFZ, self.fSavedSettings[CARLA_KEY_PATHS_SFZ])

  1232.             gCarla.felib.setPluginListDialogPath(d, PLUGIN_JSFX, self.fSavedSettings[CARLA_KEY_PATHS_JSFX])

  1233.             gCarla.felib.setPluginListDialogPath(d, PLUGIN_CLAP, self.fSavedSettings[CARLA_KEY_PATHS_CLAP])

  1234. 

  1235.         ret = gCarla.felib.execPluginListDialog(self.fPluginListDialog)

  1236. 

  1237.         # TODO

  1238.         #if dialog.fFavoritePluginsChanged:

  1239.             #self.fFavoritePlugins = dialog.fFavoritePlugins

  1240. 

  1241.         if not ret:

  1242.             return

  1243. 

  1244.         if not self.host.is_engine_running():

  1245.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1246.             return

  1247. 

  1248.         btype    = ret['build']

  1249.         ptype    = ret['type']

  1250.         filename = ret['filename']

  1251.         label    = ret['label']

  1252.         uniqueId = ret['uniqueId']

  1253.         extraPtr = None

  1254. 

  1255.         return (btype, ptype, filename, label, uniqueId, extraPtr)

  1256. 

  1257.     def showAddJackAppDialog(self):

  1258.         ret = gCarla.felib.createAndExecJackAppDialog(self.fParentOrSelf, self.fProjectFilename)

  1259. 

  1260.         if not ret:

  1261.             return

  1262. 

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

  1264.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1265.             return

  1266. 

  1267.         return ret

  1268. 

  1269.     @pyqtSlot()

  1270.     def slot_favoritePluginAdd(self):

  1271.         plugin = self.sender().data()

  1272. 

  1273.         if plugin is None:

  1274.             return

  1275. 

  1276.         if not self.host.add_plugin(plugin['build'], plugin['type'], plugin['filename'], None,

  1277.                                     plugin['label'], plugin['uniqueId'], None, PLUGIN_OPTIONS_NULL):

  1278.             # remove plugin from favorites

  1279.             try:

  1280.                 self.fFavoritePlugins.remove(plugin)

  1281.             except ValueError:

  1282.                 pass

  1283.             else:

  1284.                 settingsDBf = QSafeSettings("falkTX", "CarlaDatabase2")

  1285.                 settingsDBf.setValue("PluginDatabase/Favorites", self.fFavoritePlugins)

  1286.                 settingsDBf.sync()

  1287.                 del settingsDBf

  1288. 

  1289.             CustomMessageBox(self,

  1290.                              QMessageBox.Critical,

  1291.                              self.tr("Error"),

  1292.                              self.tr("Failed to load plugin"),

  1293.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1294. 

  1295.     @pyqtSlot()

  1296.     def slot_showPluginActionsMenu(self):

  1297.         menu = QMenu(self)

  1298. 

  1299.         menu.addSection("Plugins")

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

  1301. 

  1302.         if len(self.fFavoritePlugins) != 0:

  1303.             fmenu = QMenu("Add from favorites", self)

  1304.             for p in self.fFavoritePlugins:

  1305.                 act = fmenu.addAction(p['name'])

  1306.                 act.setData(p)

  1307.                 act.triggered.connect(self.slot_favoritePluginAdd)

  1308.             menu.addMenu(fmenu)

  1309. 

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

  1311. 

  1312.         menu.addSection("All plugins (macros)")

  1313.         menu.addAction(self.ui.act_plugins_enable)

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

  1315.         menu.addSeparator()

  1316.         menu.addAction(self.ui.act_plugins_volume100)

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

  1318.         menu.addSeparator()

  1319.         menu.addAction(self.ui.act_plugins_wet100)

  1320.         menu.addAction(self.ui.act_plugins_bypass)

  1321.         menu.addSeparator()

  1322.         menu.addAction(self.ui.act_plugins_center)

  1323.         menu.addSeparator()

  1324.         menu.addAction(self.ui.act_plugins_compact)

  1325.         menu.addAction(self.ui.act_plugins_expand)

  1326. 

  1327.         menu.exec_(QCursor.pos())

  1328. 

  1329.     @pyqtSlot()

  1330.     def slot_pluginAdd(self):

  1331.         data = self.showAddPluginDialog()

  1332. 

  1333.         if data is None:

  1334.             return

  1335. 

  1336.         btype, ptype, filename, label, uniqueId, extraPtr = data

  1337. 

  1338.         if not self.host.add_plugin(btype, ptype, filename, None, label, uniqueId, extraPtr, PLUGIN_OPTIONS_NULL):

  1339.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1340.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1341. 

  1342.     @pyqtSlot()

  1343.     def slot_confirmRemoveAll(self):

  1344.         if self.fPluginCount == 0:

  1345.             return

  1346. 

  1347.         if QMessageBox.question(self, self.tr("Remove All"),

  1348.                                       self.tr("Are you sure you want to remove all plugins?"),

  1349.                                       QMessageBox.Yes|QMessageBox.No) == QMessageBox.No:

  1350.             return

  1351. 

  1352.         self.pluginRemoveAll()

  1353. 

  1354.     def pluginRemoveAll(self):

  1355.         if self.fPluginCount == 0:

  1356.             return

  1357. 

  1358.         self.fCurrentlyRemovingAllPlugins = True

  1359.         self.projectLoadingStarted()

  1360. 

  1361.         if not self.host.remove_all_plugins():

  1362.             self.projectLoadingFinished(True)

  1363.             self.fCurrentlyRemovingAllPlugins = False

  1364.             CustomMessageBox(self, QMessageBox.Warning, self.tr("Error"), self.tr("Operation failed"),

  1365.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1366. 

  1367.     @pyqtSlot()

  1368.     def slot_jackAppAdd(self):

  1369.         data = self.showAddJackAppDialog()

  1370. 

  1371.         if data is None:

  1372.             return

  1373. 

  1374.         if not data['command']:

  1375.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Cannot add jack application"),

  1376.                              self.tr("command is empty"), QMessageBox.Ok, QMessageBox.Ok)

  1377.             return

  1378. 

  1379.         if not self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK,

  1380.                                     data['command'], data['name'], data['labelSetup'],

  1381.                                     0, None, PLUGIN_OPTIONS_NULL):

  1382.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1383.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1384. 

  1385.     # --------------------------------------------------------------------------------------------------------

  1386.     # Plugins (macros)

  1387. 

  1388.     @pyqtSlot()

  1389.     def slot_pluginsEnable(self):

  1390.         if not self.host.is_engine_running():

  1391.             return

  1392. 

  1393.         for pitem in self.fPluginList:

  1394.             if pitem is None:

  1395.                 break

  1396. 

  1397.             pitem.getWidget().setActive(True, True, True)

  1398. 

  1399.     @pyqtSlot()

  1400.     def slot_pluginsDisable(self):

  1401.         if not self.host.is_engine_running():

  1402.             return

  1403. 

  1404.         for pitem in self.fPluginList:

  1405.             if pitem is None:

  1406.                 break

  1407. 

  1408.             pitem.getWidget().setActive(False, True, True)

  1409. 

  1410.     @pyqtSlot()

  1411.     def slot_pluginsVolume100(self):

  1412.         if not self.host.is_engine_running():

  1413.             return

  1414. 

  1415.         for pitem in self.fPluginList:

  1416.             if pitem is None:

  1417.                 break

  1418. 

  1419.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 1.0)

  1420. 

  1421.     @pyqtSlot()

  1422.     def slot_pluginsMute(self):

  1423.         if not self.host.is_engine_running():

  1424.             return

  1425. 

  1426.         for pitem in self.fPluginList:

  1427.             if pitem is None:

  1428.                 break

  1429. 

  1430.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 0.0)

  1431. 

  1432.     @pyqtSlot()

  1433.     def slot_pluginsWet100(self):

  1434.         if not self.host.is_engine_running():

  1435.             return

  1436. 

  1437.         for pitem in self.fPluginList:

  1438.             if pitem is None:

  1439.                 break

  1440. 

  1441.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 1.0)

  1442. 

  1443.     @pyqtSlot()

  1444.     def slot_pluginsBypass(self):

  1445.         if not self.host.is_engine_running():

  1446.             return

  1447. 

  1448.         for pitem in self.fPluginList:

  1449.             if pitem is None:

  1450.                 break

  1451. 

  1452.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 0.0)

  1453. 

  1454.     @pyqtSlot()

  1455.     def slot_pluginsCenter(self):

  1456.         if not self.host.is_engine_running():

  1457.             return

  1458. 

  1459.         for pitem in self.fPluginList:

  1460.             if pitem is None:

  1461.                 break

  1462. 

  1463.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1464.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1465.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1466. 

  1467.     @pyqtSlot()

  1468.     def slot_pluginsCompact(self):

  1469.         for pitem in self.fPluginList:

  1470.             if pitem is None:

  1471.                 break

  1472.             pitem.compact()

  1473. 

  1474.     @pyqtSlot()

  1475.     def slot_pluginsExpand(self):

  1476.         for pitem in self.fPluginList:

  1477.             if pitem is None:

  1478.                 break

  1479.             pitem.expand()

  1480. 

  1481.     # --------------------------------------------------------------------------------------------------------

  1482.     # Plugins (host callbacks)

  1483. 

  1484.     @pyqtSlot(int, int, str)

  1485.     def slot_handlePluginAddedCallback(self, pluginId, pluginType, pluginName):

  1486.         if pluginId != self.fPluginCount:

  1487.             print("ERROR: pluginAdded mismatch Id:", pluginId, self.fPluginCount)

  1488.             pitem = self.getPluginItem(pluginId)

  1489.             pitem.recreateWidget()

  1490.             return

  1491. 

  1492.         pitem = self.ui.listWidget.createItem(pluginId, self.fSavedSettings[CARLA_KEY_MAIN_CLASSIC_SKIN])

  1493.         self.fPluginList.append(pitem)

  1494.         self.fPluginCount += 1

  1495. 

  1496.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1497. 

  1498.         if pluginType == PLUGIN_LV2:

  1499.             self.fHasLoadedLv2Plugins = True

  1500. 

  1501.     @pyqtSlot(int)

  1502.     def slot_handlePluginRemovedCallback(self, pluginId):

  1503.         if self.fWithCanvas:

  1504.             patchcanvas.handlePluginRemoved(pluginId)

  1505. 

  1506.         if pluginId in self.fSelectedPlugins:

  1507.             self.clearSideStuff()

  1508. 

  1509.         if self.fPluginCount == 0:

  1510.             return

  1511. 

  1512.         pitem = self.getPluginItem(pluginId)

  1513. 

  1514.         self.fPluginCount -= 1

  1515.         self.fPluginList.pop(pluginId)

  1516.         self.ui.listWidget.takeItem(pluginId)

  1517. 

  1518.         if pitem is not None:

  1519.             pitem.close()

  1520.             del pitem

  1521. 

  1522.         if self.fPluginCount == 0:

  1523.             self.ui.act_plugin_remove_all.setEnabled(False)

  1524.             if self.fCurrentlyRemovingAllPlugins:

  1525.                 self.fCurrentlyRemovingAllPlugins = False

  1526.                 self.projectLoadingFinished(False)

  1527.             return

  1528. 

  1529.         # push all plugins 1 slot back

  1530.         for i in range(pluginId, self.fPluginCount):

  1531.             pitem = self.fPluginList[i]

  1532.             pitem.setPluginId(i)

  1533. 

  1534.         self.ui.act_plugin_remove_all.setEnabled(True)

  1535. 

  1536.     # --------------------------------------------------------------------------------------------------------

  1537.     # Canvas

  1538. 

  1539.     def clearSideStuff(self):

  1540.         if self.fWithCanvas:

  1541.             self.scene.clearSelection()

  1542. 

  1543.         self.fSelectedPlugins = []

  1544. 

  1545.         self.ui.keyboard.allNotesOff(False)

  1546.         self.ui.scrollArea.setEnabled(False)

  1547. 

  1548.         self.fPeaksCleared = True

  1549.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1550.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1551.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1552.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1553. 

  1554.     def setupCanvas(self):

  1555.         pOptions = patchcanvas.options_t()

  1556.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1557.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1558.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1559.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1560.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1561.         pOptions.inline_displays   = self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS]

  1562. 

  1563.         if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY]:

  1564.             pOptions.eyecandy = patchcanvas.EYECANDY_FULL

  1565.         elif self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]:

  1566.             pOptions.eyecandy = patchcanvas.EYECANDY_SMALL

  1567.         else:

  1568.             pOptions.eyecandy = patchcanvas.EYECANDY_NONE

  1569. 

  1570.         pFeatures = patchcanvas.features_t()

  1571.         pFeatures.group_info   = False

  1572.         pFeatures.group_rename = False

  1573.         pFeatures.port_info    = False

  1574.         pFeatures.port_rename  = False

  1575.         pFeatures.handle_group_pos = False

  1576. 

  1577.         patchcanvas.setOptions(pOptions)

  1578.         patchcanvas.setFeatures(pFeatures)

  1579.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1580. 

  1581.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1582. 

  1583.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1584.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1585.             self.fCanvasHeight = int(tryCanvasSize[1])

  1586.         else:

  1587.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1588.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1589. 

  1590.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1591.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1592.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1593. 

  1594.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1595.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1596. 

  1597.         if self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] != patchcanvas.ANTIALIASING_NONE:

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

  1599. 

  1600.             fullAA = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] == patchcanvas.ANTIALIASING_FULL

  1601.             self.ui.graphicsView.setRenderHint(QPainter.SmoothPixmapTransform, fullAA)

  1602.             self.ui.graphicsView.setRenderHint(QPainter.TextAntialiasing, fullAA)

  1603. 

  1604.             if self.fSavedSettings[CARLA_KEY_CANVAS_USE_OPENGL] and hasGL:

  1605.                 self.ui.graphicsView.setRenderHint(QPainter.HighQualityAntialiasing, self.fSavedSettings[CARLA_KEY_CANVAS_HQ_ANTIALIASING])

  1606. 

  1607.         else:

  1608.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, False)

  1609. 

  1610.         if self.fSavedSettings[CARLA_KEY_CANVAS_FULL_REPAINTS]:

  1611.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.FullViewportUpdate)

  1612.         else:

  1613.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.MinimalViewportUpdate)

  1614. 

  1615.     def updateCanvasInitialPos(self):

  1616.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1617.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1618.         patchcanvas.setInitialPos(x, y)

  1619. 

  1620.     def updateMiniCanvasLater(self):

  1621.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1622. 

  1623.     # --------------------------------------------------------------------------------------------------------

  1624.     # Canvas (menu actions)

  1625. 

  1626.     @pyqtSlot()

  1627.     def slot_canvasShowInternal(self):

  1628.         self.fExternalPatchbay = False

  1629.         self.ui.act_canvas_show_internal.blockSignals(True)

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

  1631.         self.ui.act_canvas_show_internal.setChecked(True)

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

  1633.         self.ui.act_canvas_show_internal.blockSignals(False)

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

  1635.         self.slot_canvasRefresh()

  1636. 

  1637.     @pyqtSlot()

  1638.     def slot_canvasShowExternal(self):

  1639.         self.fExternalPatchbay = True

  1640.         self.ui.act_canvas_show_internal.blockSignals(True)

  1641.         self.ui.act_canvas_show_external.blockSignals(True)

  1642.         self.ui.act_canvas_show_internal.setChecked(False)

  1643.         self.ui.act_canvas_show_external.setChecked(True)

  1644.         self.ui.act_canvas_show_internal.blockSignals(False)

  1645.         self.ui.act_canvas_show_external.blockSignals(False)

  1646.         self.slot_canvasRefresh()

  1647. 

  1648.     @pyqtSlot()

  1649.     def slot_canvasArrange(self):

  1650.         patchcanvas.arrange()

  1651. 

  1652.     @pyqtSlot()

  1653.     def slot_canvasRefresh(self):

  1654.         patchcanvas.clear()

  1655. 

  1656.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1657.             return

  1658. 

  1659.         if self.host.is_engine_running():

  1660.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1661. 

  1662.         self.updateMiniCanvasLater()

  1663. 

  1664.     @pyqtSlot()

  1665.     def slot_canvasZoomFit(self):

  1666.         self.scene.zoom_fit()

  1667. 

  1668.     @pyqtSlot()

  1669.     def slot_canvasZoomIn(self):

  1670.         self.scene.zoom_in()

  1671. 

  1672.     @pyqtSlot()

  1673.     def slot_canvasZoomOut(self):

  1674.         self.scene.zoom_out()

  1675. 

  1676.     @pyqtSlot()

  1677.     def slot_canvasZoomReset(self):

  1678.         self.scene.zoom_reset()

  1679. 

  1680.     def _canvasImageRender(self, zoom = 1.0):

  1681.         image   = QImage(self.scene.width()*zoom, self.scene.height()*zoom, QImage.Format_RGB32)

  1682.         painter = QPainter(image)

  1683.         painter.save()

  1684.         painter.setRenderHints(painter.renderHints() | QPainter.Antialiasing | QPainter.TextAntialiasing)

  1685.         self.scene.clearSelection()

  1686.         self.scene.render(painter)

  1687.         painter.restore()

  1688.         del painter

  1689.         return image

  1690. 

  1691.     def _canvasImageWrite(self, iw: QImageWriter, imgFormat: bytes, image: QImage):

  1692.         iw.setFormat(imgFormat)

  1693.         iw.setCompression(-1)

  1694.         if QT_VERSION >= 0x50500:

  1695.             iw.setOptimizedWrite(True)

  1696.         iw.write(image)

  1697. 

  1698.     @pyqtSlot()

  1699.     def slot_canvasSaveImage(self):

  1700.         if self.fProjectFilename:

  1701.             dir = QFileInfo(self.fProjectFilename).absoluteDir().absolutePath()

  1702.         else:

  1703.             dir = self.fSavedSettings[CARLA_KEY_MAIN_PROJECT_FOLDER]

  1704. 

  1705.         fileDialog = QFileDialog(self)

  1706.         fileDialog.setAcceptMode(QFileDialog.AcceptSave)

  1707.         fileDialog.setDirectory(dir)

  1708.         fileDialog.setFileMode(QFileDialog.AnyFile)

  1709.         fileDialog.setMimeTypeFilters(("image/png", "image/jpeg"))

  1710.         fileDialog.setNameFilter(self.tr("Images (*.png *.jpg)"))

  1711.         fileDialog.setOptions(QFileDialog.DontUseCustomDirectoryIcons)

  1712.         fileDialog.setWindowTitle(self.tr("Save Image"))

  1713. 

  1714.         ok = fileDialog.exec_()

  1715. 

  1716.         if not ok:

  1717.             return

  1718. 

  1719.         newPath = fileDialog.selectedFiles()

  1720. 

  1721.         if len(newPath) != 1:

  1722.             return

  1723. 

  1724.         newPath = newPath[0]

  1725. 

  1726.         if QT_VERSION >= 0x50900:

  1727.             if fileDialog.selectedMimeTypeFilter() == "image/jpeg":

  1728.                 imgFormat = b"JPG"

  1729.             else:

  1730.                 imgFormat = b"PNG"

  1731.         else:

  1732.             if newPath.lower().endswith((".jpg", ".jpeg")):

  1733.                 imgFormat = b"JPG"

  1734.             else:

  1735.                 imgFormat = b"PNG"

  1736. 

  1737.         sender = self.sender()

  1738.         if sender == self.ui.act_canvas_save_image_2x:

  1739.             zoom = 2.0

  1740.         elif sender == self.ui.act_canvas_save_image_4x:

  1741.             zoom = 4.0

  1742.         else:

  1743.             zoom = 1.0

  1744. 

  1745.         image = self._canvasImageRender(zoom)

  1746.         iw = QImageWriter(newPath)

  1747.         self._canvasImageWrite(iw, imgFormat, image)

  1748. 

  1749.     @pyqtSlot()

  1750.     def slot_canvasCopyToClipboard(self):

  1751.         buffer = QBuffer()

  1752.         buffer.open(QIODevice.WriteOnly)

  1753. 

  1754.         image = self._canvasImageRender()

  1755.         iw = QImageWriter(buffer, b"PNG")

  1756.         self._canvasImageWrite(iw, b"PNG", image)

  1757. 

  1758.         buffer.close()

  1759. 

  1760.         mimeData = QMimeData()

  1761.         mimeData.setData("image/png", buffer.buffer());

  1762. 

  1763.         QApplication.clipboard().setMimeData(mimeData)

  1764. 

  1765.     # --------------------------------------------------------------------------------------------------------

  1766.     # Canvas (canvas callbacks)

  1767. 

  1768.     @pyqtSlot()

  1769.     def slot_canvasSelectionChanged(self):

  1770.         self.updateMiniCanvasLater()

  1771. 

  1772.     @pyqtSlot(float)

  1773.     def slot_canvasScaleChanged(self, scale):

  1774.         self.ui.miniCanvasPreview.setViewScale(scale)

  1775. 

  1776.     @pyqtSlot(list)

  1777.     def slot_canvasPluginSelected(self, pluginList):

  1778.         self.ui.keyboard.allNotesOff(False)

  1779.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1780.         self.fSelectedPlugins = pluginList

  1781. 

  1782.     # --------------------------------------------------------------------------------------------------------

  1783.     # Canvas (host callbacks)

  1784. 

  1785.     @pyqtSlot(int, int, int, str)

  1786.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1787.         pcSplit = patchcanvas.SPLIT_UNDEF

  1788.         pcIcon  = patchcanvas.ICON_APPLICATION

  1789. 

  1790.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1791.             pcIcon = patchcanvas.ICON_PLUGIN

  1792.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1793.             pcIcon = patchcanvas.ICON_HARDWARE

  1794.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1795.             pass

  1796.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1797.             pcIcon = patchcanvas.ICON_DISTRHO

  1798.         elif clientIcon == PATCHBAY_ICON_FILE:

  1799.             pcIcon = patchcanvas.ICON_FILE

  1800. 

  1801.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1802. 

  1803.         self.updateMiniCanvasLater()

  1804. 

  1805.         if pluginId < 0:

  1806.             return

  1807.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1808.             print("Error mapping plugin to canvas client:", clientName)

  1809.             return

  1810. 

  1811.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1812.             hasCustomUI = False

  1813.             hasInlineDisplay = False

  1814.         else:

  1815.             hints = self.host.get_plugin_info(pluginId)['hints']

  1816.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1817.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1818. 

  1819.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1820. 

  1821.     @pyqtSlot(int)

  1822.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1823.         patchcanvas.removeGroup(clientId)

  1824.         self.updateMiniCanvasLater()

  1825. 

  1826.     @pyqtSlot(int, str)

  1827.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1828.         patchcanvas.renameGroup(clientId, newClientName)

  1829.         self.updateMiniCanvasLater()

  1830. 

  1831.     @pyqtSlot(int, int, int)

  1832.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1833.         pcIcon = patchcanvas.ICON_APPLICATION

  1834. 

  1835.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1836.             pcIcon = patchcanvas.ICON_PLUGIN

  1837.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1838.             pcIcon = patchcanvas.ICON_HARDWARE

  1839.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1840.             pass

  1841.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1842.             pcIcon = patchcanvas.ICON_DISTRHO

  1843.         elif clientIcon == PATCHBAY_ICON_FILE:

  1844.             pcIcon = patchcanvas.ICON_FILE

  1845. 

  1846.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1847.         self.updateMiniCanvasLater()

  1848. 

  1849.         if pluginId < 0:

  1850.             return

  1851.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1852.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1853.             return

  1854. 

  1855.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1856.             hasCustomUI = False

  1857.             hasInlineDisplay = False

  1858.         else:

  1859.             hints = self.host.get_plugin_info(pluginId)['hints']

  1860.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1861.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1862. 

  1863.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1864. 

  1865.     @pyqtSlot(int, int, int, int, int)

  1866.     def slot_handlePatchbayClientPositionChangedCallback(self, clientId, x1, y1, x2, y2):

  1867.         if (x1 != 0 and x2 != 0) or (y1 != 0 and y2 != 0):

  1868.             patchcanvas.splitGroup(clientId)

  1869.         else:

  1870.             patchcanvas.joinGroup(clientId)

  1871.         patchcanvas.setGroupPosFull(clientId, x1, y1, x2, y2)

  1872.         self.updateMiniCanvasLater()

  1873. 

  1874.     @pyqtSlot(int, int, int, int, str)

  1875.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portGroupId, portName):

  1876.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1877.             portMode = patchcanvas.PORT_MODE_INPUT

  1878.         else:

  1879.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1880. 

  1881.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1882.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1883.             isAlternate = False

  1884.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1885.             portType    = patchcanvas.PORT_TYPE_PARAMETER

  1886.             isAlternate = False

  1887.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1888.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1889.             isAlternate = False

  1890.         else:

  1891.             portType    = patchcanvas.PORT_TYPE_NULL

  1892.             isAlternate = False

  1893. 

  1894.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1895.         self.updateMiniCanvasLater()

  1896. 

  1897.     @pyqtSlot(int, int)

  1898.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  1899.         patchcanvas.removePort(groupId, portId)

  1900.         self.updateMiniCanvasLater()

  1901. 

  1902.     @pyqtSlot(int, int, int, int, str)

  1903.     def slot_handlePatchbayPortChangedCallback(self, groupId, portId, portFlags, portGroupId, newPortName):

  1904.         patchcanvas.renamePort(groupId, portId, newPortName)

  1905.         self.updateMiniCanvasLater()

  1906. 

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

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

  1909.         # TODO

  1910.         pass

  1911. 

  1912.     @pyqtSlot(int, int)

  1913.     def slot_handlePatchbayPortGroupRemovedCallback(self, groupId, portId):

  1914.         # TODO

  1915.         pass

  1916. 

  1917.     @pyqtSlot(int, int, int, str)

  1918.     def slot_handlePatchbayPortGroupChangedCallback(self, groupId, portId, portGroupId, newPortName):

  1919.         # TODO

  1920.         pass

  1921. 

  1922.     @pyqtSlot(int, int, int, int, int)

  1923.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1924.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1925.         self.updateMiniCanvasLater()

  1926. 

  1927.     @pyqtSlot(int, int, int)

  1928.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1929.         patchcanvas.disconnectPorts(connectionId)

  1930.         self.updateMiniCanvasLater()

  1931. 

  1932.     # --------------------------------------------------------------------------------------------------------

  1933.     # Settings

  1934. 

  1935.     def saveSettings(self):

  1936.         settings = QSafeSettings()

  1937. 

  1938.         settings.setValue("Geometry", self.saveGeometry())

  1939.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  1940.         settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  1941. 

  1942.         diskFolders = []

  1943. 

  1944.         for i in range(self.ui.cb_disk.count()):

  1945.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1946. 

  1947.         settings.setValue("DiskFolders", diskFolders)

  1948.         settings.setValue("LastBPM", self.fLastTransportBPM)

  1949. 

  1950.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1951.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1952.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1953.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1954. 

  1955.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_MODE,  self.host.transportMode)

  1956.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, self.host.transportExtra)

  1957. 

  1958.         return settings

  1959. 

  1960.     def loadSettings(self, firstTime):

  1961.         settings = QSafeSettings()

  1962. 

  1963.         if self.fPluginListDialog is not None:

  1964.             gCarla.felib.destroyPluginListDialog(self.fPluginListDialog)

  1965.             self.fPluginListDialog = None

  1966. 

  1967.         if firstTime:

  1968.             geometry = settings.value("Geometry", QByteArray(), QByteArray)

  1969.             if not geometry.isNull():

  1970.                 self.restoreGeometry(geometry)

  1971. 

  1972.             showToolbar = settings.value("ShowToolbar", True, bool)

  1973.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1974.             self.ui.toolBar.blockSignals(True)

  1975.             self.ui.toolBar.setEnabled(showToolbar)

  1976.             self.ui.toolBar.setVisible(showToolbar)

  1977.             self.ui.toolBar.blockSignals(False)

  1978. 

  1979.             #if settings.contains("SplitterState"):

  1980.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  1981.             #else:

  1982.                 #self.ui.splitter.setSizes([210, 99999])

  1983. 

  1984.             showSidePanel = settings.value("ShowSidePanel", True, bool)

  1985.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  1986.             self.slot_showSidePanel(showSidePanel)

  1987. 

  1988.             diskFolders = settings.value("DiskFolders", [HOME], list)

  1989. 

  1990.             self.ui.cb_disk.setItemData(0, HOME)

  1991. 

  1992.             for i in range(len(diskFolders)):

  1993.                 if i == 0: continue

  1994.                 folder = diskFolders[i]

  1995.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1996. 

  1997.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, bool):

  1998.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1999. 

  2000.             showMeters = settings.value("ShowMeters", True, bool)

  2001.             self.ui.act_settings_show_meters.setChecked(showMeters)

  2002.             self.ui.peak_in.setVisible(showMeters)

  2003.             self.ui.peak_out.setVisible(showMeters)

  2004. 

  2005.             showKeyboard = settings.value("ShowKeyboard", True, bool)

  2006.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  2007.             self.ui.scrollArea.setVisible(showKeyboard)

  2008. 

  2009.             settingsDBf = QSafeSettings("falkTX", "CarlaDatabase2")

  2010.             self.fFavoritePlugins = settingsDBf.value("PluginDatabase/Favorites", [], list)

  2011. 

  2012.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  2013. 

  2014.         # TODO - complete this

  2015.         oldSettings = self.fSavedSettings

  2016. 

  2017.         if self.host.audioDriverForced is not None:

  2018.             audioDriver = self.host.audioDriverForced

  2019.         else:

  2020.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, str)

  2021. 

  2022.         audioDriverPrefix = CARLA_KEY_ENGINE_DRIVER_PREFIX + audioDriver

  2023. 

  2024.         self.fSavedSettings = {

  2025.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      str),

  2026.             CARLA_KEY_MAIN_CONFIRM_EXIT:        settings.value(CARLA_KEY_MAIN_CONFIRM_EXIT,        CARLA_DEFAULT_MAIN_CONFIRM_EXIT,        bool),

  2027.             CARLA_KEY_MAIN_CLASSIC_SKIN:        settings.value(CARLA_KEY_MAIN_CLASSIC_SKIN,        CARLA_DEFAULT_MAIN_CLASSIC_SKIN,        bool),

  2028.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    int),

  2029.             CARLA_KEY_MAIN_SYSTEM_ICONS:        settings.value(CARLA_KEY_MAIN_SYSTEM_ICONS,        CARLA_DEFAULT_MAIN_SYSTEM_ICONS,        bool),

  2030.             CARLA_KEY_MAIN_EXPERIMENTAL:        settings.value(CARLA_KEY_MAIN_EXPERIMENTAL,        CARLA_DEFAULT_MAIN_EXPERIMENTAL,        bool),

  2031.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             str),

  2032.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              str),

  2033.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  bool),

  2034.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, bool),

  2035.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  bool),

  2036.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         bool),

  2037.             CARLA_KEY_CANVAS_FANCY_EYE_CANDY:   settings.value(CARLA_KEY_CANVAS_FANCY_EYE_CANDY,   CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY,   bool),

  2038.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        bool),

  2039.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      int),

  2040.             CARLA_KEY_CANVAS_HQ_ANTIALIASING:   settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   bool),

  2041.             CARLA_KEY_CANVAS_FULL_REPAINTS:     settings.value(CARLA_KEY_CANVAS_FULL_REPAINTS,     CARLA_DEFAULT_CANVAS_FULL_REPAINTS,     bool),

  2042.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   bool) and

  2043.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", str).lower() == "black"),

  2044. 

  2045.             # engine

  2046.             CARLA_KEY_ENGINE_AUDIO_DRIVER: audioDriver,

  2047.             CARLA_KEY_ENGINE_AUDIO_DEVICE: settings.value(audioDriverPrefix+"/Device", "", str),

  2048.             CARLA_KEY_ENGINE_BUFFER_SIZE: settings.value(audioDriverPrefix+"/BufferSize", CARLA_DEFAULT_AUDIO_BUFFER_SIZE, int),

  2049.             CARLA_KEY_ENGINE_SAMPLE_RATE: settings.value(audioDriverPrefix+"/SampleRate", CARLA_DEFAULT_AUDIO_SAMPLE_RATE, int),

  2050.             CARLA_KEY_ENGINE_TRIPLE_BUFFER: settings.value(audioDriverPrefix+"/TripleBuffer", CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER, bool),

  2051. 

  2052.             # file paths

  2053.             CARLA_KEY_PATHS_AUDIO: splitter.join(settings.value(CARLA_KEY_PATHS_AUDIO, CARLA_DEFAULT_FILE_PATH_AUDIO, list)),

  2054.             CARLA_KEY_PATHS_MIDI: splitter.join(settings.value(CARLA_KEY_PATHS_MIDI,  CARLA_DEFAULT_FILE_PATH_MIDI, list)),

  2055. 

  2056.             # plugin paths

  2057.             CARLA_KEY_PATHS_LADSPA: splitter.join(settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH, list)),

  2058.             CARLA_KEY_PATHS_DSSI: splitter.join(settings.value(CARLA_KEY_PATHS_DSSI, CARLA_DEFAULT_DSSI_PATH, list)),

  2059.             CARLA_KEY_PATHS_LV2: splitter.join(settings.value(CARLA_KEY_PATHS_LV2, CARLA_DEFAULT_LV2_PATH, list)),

  2060.             CARLA_KEY_PATHS_VST2: splitter.join(settings.value(CARLA_KEY_PATHS_VST2, CARLA_DEFAULT_VST2_PATH, list)),

  2061.             CARLA_KEY_PATHS_VST3: splitter.join(settings.value(CARLA_KEY_PATHS_VST3, CARLA_DEFAULT_VST3_PATH, list)),

  2062.             CARLA_KEY_PATHS_SF2: splitter.join(settings.value(CARLA_KEY_PATHS_SF2, CARLA_DEFAULT_SF2_PATH, list)),

  2063.             CARLA_KEY_PATHS_SFZ: splitter.join(settings.value(CARLA_KEY_PATHS_SFZ, CARLA_DEFAULT_SFZ_PATH, list)),

  2064.             CARLA_KEY_PATHS_JSFX: splitter.join(settings.value(CARLA_KEY_PATHS_JSFX, CARLA_DEFAULT_JSFX_PATH, list)),

  2065.             CARLA_KEY_PATHS_CLAP: splitter.join(settings.value(CARLA_KEY_PATHS_CLAP, CARLA_DEFAULT_CLAP_PATH, list)),

  2066. 

  2067.             # osc

  2068.             CARLA_KEY_OSC_ENABLED: settings.value(CARLA_KEY_OSC_ENABLED, CARLA_DEFAULT_OSC_ENABLED, bool),

  2069.             CARLA_KEY_OSC_TCP_PORT_ENABLED: settings.value(CARLA_KEY_OSC_TCP_PORT_ENABLED, CARLA_DEFAULT_OSC_TCP_PORT_ENABLED, bool),

  2070.             CARLA_KEY_OSC_TCP_PORT_RANDOM: settings.value(CARLA_KEY_OSC_TCP_PORT_RANDOM, CARLA_DEFAULT_OSC_TCP_PORT_RANDOM, bool),

  2071.             CARLA_KEY_OSC_TCP_PORT_NUMBER: settings.value(CARLA_KEY_OSC_TCP_PORT_NUMBER, CARLA_DEFAULT_OSC_TCP_PORT_NUMBER, int),

  2072.             CARLA_KEY_OSC_UDP_PORT_ENABLED: settings.value(CARLA_KEY_OSC_UDP_PORT_ENABLED, CARLA_DEFAULT_OSC_UDP_PORT_ENABLED, bool),

  2073.             CARLA_KEY_OSC_UDP_PORT_RANDOM: settings.value(CARLA_KEY_OSC_UDP_PORT_RANDOM, CARLA_DEFAULT_OSC_UDP_PORT_RANDOM, bool),

  2074.             CARLA_KEY_OSC_UDP_PORT_NUMBER: settings.value(CARLA_KEY_OSC_UDP_PORT_NUMBER, CARLA_DEFAULT_OSC_UDP_PORT_NUMBER, int),

  2075. 

  2076.             # wine

  2077.             CARLA_KEY_WINE_EXECUTABLE: settings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, str),

  2078.             CARLA_KEY_WINE_AUTO_PREFIX: settings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, bool),

  2079.             CARLA_KEY_WINE_FALLBACK_PREFIX: settings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, str),

  2080.             CARLA_KEY_WINE_RT_PRIO_ENABLED: settings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, bool),

  2081.             CARLA_KEY_WINE_BASE_RT_PRIO: settings.value(CARLA_KEY_WINE_BASE_RT_PRIO, CARLA_DEFAULT_WINE_BASE_RT_PRIO, int),

  2082.             CARLA_KEY_WINE_SERVER_RT_PRIO: settings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, int),

  2083. 

  2084.             # experimental switches

  2085.             CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES:

  2086.                 settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, bool),

  2087.             CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES:

  2088.                 settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, bool),

  2089.         }

  2090. 

  2091.         if not self.host.isControl:

  2092.             self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS] = settings.value(CARLA_KEY_CANVAS_INLINE_DISPLAYS, CARLA_DEFAULT_CANVAS_INLINE_DISPLAYS, bool)

  2093.         else:

  2094.             self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS] = False

  2095. 

  2096.         settings2 = QSafeSettings("falkTX", "Carla2")

  2097. 

  2098.         if self.host.experimental:

  2099.             visible = settings2.value(CARLA_KEY_EXPERIMENTAL_JACK_APPS, CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS, bool)

  2100.             self.ui.act_plugin_add_jack.setVisible(visible)

  2101.         else:

  2102.             self.ui.act_plugin_add_jack.setVisible(False)

  2103. 

  2104.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY] else 0

  2105. 

  2106.         setEngineSettings(self.host, self.fSavedSettings)

  2107.         self.restartTimersIfNeeded()

  2108. 

  2109.         if oldSettings.get(CARLA_KEY_MAIN_CLASSIC_SKIN, None) not in (self.fSavedSettings[CARLA_KEY_MAIN_CLASSIC_SKIN], None):

  2110.             newSkin = "classic" if self.fSavedSettings[CARLA_KEY_MAIN_CLASSIC_SKIN] else None

  2111. 

  2112.             for pitem in self.fPluginList:

  2113.                 if pitem is None:

  2114.                     continue

  2115.                 pitem.recreateWidget(newSkin = newSkin)

  2116. 

  2117.         return settings

  2118. 

  2119.     # --------------------------------------------------------------------------------------------------------

  2120.     # Settings (helpers)

  2121. 

  2122.     def enableTransport(self, enabled):

  2123.         self.ui.group_transport_controls.setEnabled(enabled)

  2124.         self.ui.group_transport_settings.setEnabled(enabled)

  2125. 

  2126.     @pyqtSlot()

  2127.     def slot_restoreCanvasScrollbarValues(self):

  2128.         settings = QSafeSettings()

  2129.         horiz = settings.value("HorizontalScrollBarValue", int(self.ui.graphicsView.horizontalScrollBar().maximum()/2), int)

  2130.         vertc = settings.value("VerticalScrollBarValue", int(self.ui.graphicsView.verticalScrollBar().maximum()/2), int)

  2131.         self.ui.graphicsView.horizontalScrollBar().setValue(horiz)

  2132.         self.ui.graphicsView.verticalScrollBar().setValue(vertc)

  2133. 

  2134.     # --------------------------------------------------------------------------------------------------------

  2135.     # Settings (menu actions)

  2136. 

  2137.     @pyqtSlot(bool)

  2138.     def slot_showSidePanel(self, yesNo):

  2139.         self.ui.dockWidget.setEnabled(yesNo)

  2140.         self.ui.dockWidget.setVisible(yesNo)

  2141. 

  2142.     @pyqtSlot(bool)

  2143.     def slot_showToolbar(self, yesNo):

  2144.         self.ui.toolBar.blockSignals(True)

  2145.         self.ui.toolBar.setEnabled(yesNo)

  2146.         self.ui.toolBar.setVisible(yesNo)

  2147.         self.ui.toolBar.blockSignals(False)

  2148. 

  2149.     @pyqtSlot(bool)

  2150.     def slot_showCanvasMeters(self, yesNo):

  2151.         self.ui.peak_in.setVisible(yesNo)

  2152.         self.ui.peak_out.setVisible(yesNo)

  2153.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  2154. 

  2155.     @pyqtSlot(bool)

  2156.     def slot_showCanvasKeyboard(self, yesNo):

  2157.         self.ui.scrollArea.setVisible(yesNo)

  2158.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  2159. 

  2160.     @pyqtSlot()

  2161.     def slot_configureCarla(self):

  2162.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  2163.         if not dialog.exec_():

  2164.             return

  2165. 

  2166.         self.loadSettings(False)

  2167. 

  2168.         if self.fWithCanvas:

  2169.             patchcanvas.clear()

  2170.             self.setupCanvas()

  2171.             self.slot_miniCanvasCheckAll()

  2172. 

  2173.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  2174.             pass

  2175.         elif self.host.is_engine_running():

  2176.             self.host.patchbay_refresh(self.fExternalPatchbay)

  2177. 

  2178.     # --------------------------------------------------------------------------------------------------------

  2179.     # About (menu actions)

  2180. 

  2181.     @pyqtSlot()

  2182.     def slot_aboutCarla(self):

  2183.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  2184. 

  2185.     @pyqtSlot()

  2186.     def slot_aboutJuce(self):

  2187.         gCarla.felib.createAndExecAboutJuceDialog(self.fParentOrSelf)

  2188. 

  2189.     @pyqtSlot()

  2190.     def slot_aboutQt(self):

  2191.         QApplication.instance().aboutQt()

  2192. 

  2193.     # --------------------------------------------------------------------------------------------------------

  2194.     # Disk (menu actions)

  2195. 

  2196.     @pyqtSlot(int)

  2197.     def slot_diskFolderChanged(self, index):

  2198.         if index < 0:

  2199.             return

  2200.         elif index == 0:

  2201.             filename = HOME

  2202.             self.ui.b_disk_remove.setEnabled(False)

  2203.         else:

  2204.             filename = self.ui.cb_disk.itemData(index)

  2205.             self.ui.b_disk_remove.setEnabled(True)

  2206. 

  2207.         self.fDirModel.setRootPath(filename)

  2208.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  2209. 

  2210.     @pyqtSlot()

  2211.     def slot_diskFolderAdd(self):

  2212.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  2213. 

  2214.         if newPath:

  2215.             if newPath[-1] == os.sep:

  2216.                 newPath = newPath[:-1]

  2217.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  2218.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  2219.             self.ui.b_disk_remove.setEnabled(True)

  2220. 

  2221.     @pyqtSlot()

  2222.     def slot_diskFolderRemove(self):

  2223.         index = self.ui.cb_disk.currentIndex()

  2224. 

  2225.         if index <= 0:

  2226.             return

  2227. 

  2228.         self.ui.cb_disk.removeItem(index)

  2229. 

  2230.         if self.ui.cb_disk.currentIndex() == 0:

  2231.             self.ui.b_disk_remove.setEnabled(False)

  2232. 

  2233.     @pyqtSlot(QModelIndex)

  2234.     def slot_fileTreeDoubleClicked(self, modelIndex):

  2235.         filename = self.fDirModel.filePath(modelIndex)

  2236. 

  2237.         if not self.ui.listWidget.isDragUrlValid(filename):

  2238.             return

  2239. 

  2240.         if not self.host.load_file(filename):

  2241.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  2242.                              self.tr("Failed to load file"),

  2243.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2244.             return

  2245. 

  2246.         if filename.endswith(".carxp"):

  2247.             self.loadExternalCanvasGroupPositionsIfNeeded(filename)

  2248. 

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

  2250.     # Transport

  2251. 

  2252.     def refreshTransport(self, forced = False):

  2253.         if not self.ui.l_transport_time.isVisible():

  2254.             return

  2255.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  2256.             return

  2257. 

  2258.         timeInfo = self.host.get_transport_info()

  2259.         playing  = timeInfo['playing']

  2260.         frame    = timeInfo['frame']

  2261.         bpm      = timeInfo['bpm']

  2262. 

  2263.         if playing != self.fLastTransportState or forced:

  2264.             if playing:

  2265.                 if self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS]:

  2266.                     icon = getIcon('media-playback-pause', 16, 'svgz')

  2267.                 else:

  2268.                     icon = QIcon(":/16x16/media-playback-pause.svgz")

  2269.                 self.ui.b_transport_play.setChecked(True)

  2270.                 self.ui.b_transport_play.setIcon(icon)

  2271.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  2272.             else:

  2273.                 if self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS]:

  2274.                     icon = getIcon('media-playback-start', 16, 'svgz')

  2275.                 else:

  2276.                     icon = QIcon(":/16x16/media-playback-start.svgz")

  2277.                 self.ui.b_transport_play.setChecked(False)

  2278.                 self.ui.b_transport_play.setIcon(icon)

  2279.                 #self.ui.b_play.setText(self.tr("&Play"))

  2280. 

  2281.             self.fLastTransportState = playing

  2282. 

  2283.         if frame != self.fLastTransportFrame or forced:

  2284.             self.fLastTransportFrame = frame

  2285. 

  2286.             time = frame / self.fSampleRate

  2287.             secs =  time % 60

  2288.             mins = (time / 60) % 60

  2289.             hrs  = (time / 3600) % 60

  2290.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  2291. 

  2292.             frame1 =  frame % 1000

  2293.             frame2 = (frame / 1000) % 1000

  2294.             frame3 = (frame / 1000000) % 1000

  2295.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  2296. 

  2297.             bar  = timeInfo['bar']

  2298.             beat = timeInfo['beat']

  2299.             tick = timeInfo['tick']

  2300.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  2301. 

  2302.         if bpm != self.fLastTransportBPM or forced:

  2303.             self.fLastTransportBPM = bpm

  2304. 

  2305.             if bpm > 0.0:

  2306.                 self.ui.dsb_transport_bpm.blockSignals(True)

  2307.                 self.ui.dsb_transport_bpm.setValue(bpm)

  2308.                 self.ui.dsb_transport_bpm.blockSignals(False)

  2309.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  2310.             else:

  2311.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  2312. 

  2313.     # --------------------------------------------------------------------------------------------------------

  2314.     # Transport (menu actions)

  2315. 

  2316.     @pyqtSlot(bool)

  2317.     def slot_transportPlayPause(self, toggled):

  2318.         if self.host.isPlugin or not self.host.is_engine_running():

  2319.             return

  2320. 

  2321.         if toggled:

  2322.             self.host.transport_play()

  2323.         else:

  2324.             self.host.transport_pause()

  2325. 

  2326.         self.refreshTransport()

  2327. 

  2328.     @pyqtSlot()

  2329.     def slot_transportStop(self):

  2330.         if self.host.isPlugin or not self.host.is_engine_running():

  2331.             return

  2332. 

  2333.         self.host.transport_pause()

  2334.         self.host.transport_relocate(0)

  2335. 

  2336.         self.refreshTransport()

  2337. 

  2338.     @pyqtSlot()

  2339.     def slot_transportBackwards(self):

  2340.         if self.host.isPlugin or not self.host.is_engine_running():

  2341.             return

  2342. 

  2343.         newFrame = self.host.get_current_transport_frame() - 100000

  2344. 

  2345.         if newFrame < 0:

  2346.             newFrame = 0

  2347. 

  2348.         self.host.transport_relocate(newFrame)

  2349. 

  2350.     @pyqtSlot(float)

  2351.     def slot_transportBpmChanged(self, newValue):

  2352.         self.host.transport_bpm(newValue)

  2353. 

  2354.     @pyqtSlot()

  2355.     def slot_transportForwards(self):

  2356.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  2357.             return

  2358. 

  2359.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  2360.         self.host.transport_relocate(newFrame)

  2361. 

  2362.     @pyqtSlot(bool)

  2363.     def slot_transportJackEnabled(self, clicked):

  2364.         if not self.host.is_engine_running():

  2365.             return

  2366.         self.host.transportMode = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  2367.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  2368.                                     self.host.transportMode,

  2369.                                     self.host.transportExtra)

  2370. 

  2371.     @pyqtSlot(bool)

  2372.     def slot_transportLinkEnabled(self, clicked):

  2373.         if not self.host.is_engine_running():

  2374.             return

  2375.         extra = ":link:" if clicked else ""

  2376.         self.host.transportExtra = extra

  2377.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  2378.                                     self.host.transportMode,

  2379.                                     self.host.transportExtra)

  2380. 

  2381.     # --------------------------------------------------------------------------------------------------------

  2382.     # Other

  2383. 

  2384.     @pyqtSlot(bool)

  2385.     def slot_xrunClear(self):

  2386.         self.host.clear_engine_xruns()

  2387. 

  2388.     # --------------------------------------------------------------------------------------------------------

  2389.     # Canvas scrollbars

  2390. 

  2391.     @pyqtSlot(int)

  2392.     def slot_horizontalScrollBarChanged(self, value):

  2393.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  2394.         if maximum == 0:

  2395.             xp = 0

  2396.         else:

  2397.             xp = float(value) / maximum

  2398.         self.ui.miniCanvasPreview.setViewPosX(xp)

  2399.         self.updateCanvasInitialPos()

  2400. 

  2401.     @pyqtSlot(int)

  2402.     def slot_verticalScrollBarChanged(self, value):

  2403.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  2404.         if maximum == 0:

  2405.             yp = 0

  2406.         else:

  2407.             yp = float(value) / maximum

  2408.         self.ui.miniCanvasPreview.setViewPosY(yp)

  2409.         self.updateCanvasInitialPos()

  2410. 

  2411.     # --------------------------------------------------------------------------------------------------------

  2412.     # Canvas keyboard

  2413. 

  2414.     @pyqtSlot(int)

  2415.     def slot_noteOn(self, note):

  2416.         if self.fPluginCount == 0:

  2417.             return

  2418. 

  2419.         for pluginId in self.fSelectedPlugins:

  2420.             self.host.send_midi_note(pluginId, 0, note, 100)

  2421. 

  2422.             pedit = self.getPluginEditDialog(pluginId)

  2423.             pedit.noteOn(0, note, 100)

  2424. 

  2425.     @pyqtSlot(int)

  2426.     def slot_noteOff(self, note):

  2427.         if self.fPluginCount == 0:

  2428.             return

  2429. 

  2430.         for pluginId in self.fSelectedPlugins:

  2431.             self.host.send_midi_note(pluginId, 0, note, 0)

  2432. 

  2433.             pedit = self.getPluginEditDialog(pluginId)

  2434.             pedit.noteOff(0, note)

  2435. 

  2436.     # --------------------------------------------------------------------------------------------------------

  2437.     # Canvas keyboard (host callbacks)

  2438. 

  2439.     @pyqtSlot(int, int, int, int)

  2440.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  2441.         if pluginId in self.fSelectedPlugins:

  2442.             self.ui.keyboard.sendNoteOn(note, False)

  2443. 

  2444.     @pyqtSlot(int, int, int)

  2445.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  2446.         if pluginId in self.fSelectedPlugins:

  2447.             self.ui.keyboard.sendNoteOff(note, False)

  2448. 

  2449.     # --------------------------------------------------------------------------------------------------------

  2450. 

  2451.     @pyqtSlot(int)

  2452.     def slot_handleUpdateCallback(self, pluginId):

  2453.         pitem = self.getPluginItem(pluginId)

  2454. 

  2455.         if pitem is None:

  2456.             return

  2457. 

  2458.         wasCompacted = pitem.isCompacted()

  2459.         isCompacted  = wasCompacted

  2460. 

  2461.         check = self.host.get_custom_data_value(pluginId, CUSTOM_DATA_TYPE_PROPERTY, "CarlaSkinIsCompacted")

  2462.         if not check:

  2463.             return

  2464.         isCompacted = bool(check == "true")

  2465. 

  2466.         if wasCompacted == isCompacted:

  2467.             return

  2468. 

  2469.         pitem.recreateWidget(True)

  2470. 

  2471.     # --------------------------------------------------------------------------------------------------------

  2472.     # MiniCanvas stuff

  2473. 

  2474.     @pyqtSlot()

  2475.     def slot_miniCanvasCheckAll(self):

  2476.         self.slot_miniCanvasCheckSize()

  2477.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  2478.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  2479. 

  2480.     @pyqtSlot()

  2481.     def slot_miniCanvasCheckSize(self):

  2482.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  2483.             return

  2484. 

  2485.         currentIndex = self.ui.tabWidget.currentIndex()

  2486. 

  2487.         if currentIndex == 1:

  2488.             width  = self.ui.graphicsView.width()

  2489.             height = self.ui.graphicsView.height()

  2490.         else:

  2491.             self.ui.tabWidget.blockSignals(True)

  2492.             self.ui.tabWidget.setCurrentIndex(1)

  2493.             width  = self.ui.graphicsView.width()

  2494.             height = self.ui.graphicsView.height()

  2495.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  2496.             self.ui.tabWidget.blockSignals(False)

  2497. 

  2498.         self.scene.updateLimits()

  2499. 

  2500.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  2501. 

  2502.     @pyqtSlot(float, float)

  2503.     def slot_miniCanvasMoved(self, xp, yp):

  2504.         hsb = self.ui.graphicsView.horizontalScrollBar()

  2505.         vsb = self.ui.graphicsView.verticalScrollBar()

  2506.         hsb.setValue(xp * hsb.maximum())

  2507.         vsb.setValue(yp * vsb.maximum())

  2508.         self.updateCanvasInitialPos()

  2509. 

  2510.     # --------------------------------------------------------------------------------------------------------

  2511.     # Logs autoscroll, save and clear

  2512. 

  2513.     @pyqtSlot(int)

  2514.     def slot_toggleLogAutoscroll(self, checkState):

  2515.         self.autoscrollOnNewLog = checkState == Qt.Checked

  2516.         if self.autoscrollOnNewLog:

  2517.             self.ui.text_logs.verticalScrollBar().setValue(self.ui.text_logs.verticalScrollBar().maximum())

  2518. 

  2519.     @pyqtSlot(int)

  2520.     def slot_logSliderMoved(self, slider_pos):

  2521.         if self.ui.text_logs.verticalScrollBar().hasTracking() or self.autoscrollOnNewLog:

  2522.             self.lastLogSliderPos = slider_pos

  2523.         else:

  2524.             self.ui.text_logs.verticalScrollBar().setValue(self.lastLogSliderPos)

  2525. 

  2526.     @pyqtSlot()

  2527.     def slot_logButtonsState(self, enabled=True):

  2528.         self.ui.logs_clear.setEnabled(enabled)

  2529.         self.ui.logs_save.setEnabled(enabled)

  2530. 

  2531.     @pyqtSlot()

  2532.     def slot_logSave(self):

  2533.         filename = os.path.join(self.fSavedSettings[CARLA_KEY_MAIN_PROJECT_FOLDER], 'carla_log.txt')

  2534.         filename, _ = QFileDialog.getSaveFileName(self, self.tr("Save Logs"), filename)

  2535. 

  2536.         if not filename:

  2537.             return

  2538. 

  2539.         try:

  2540.             with open(filename, "w") as logfile:

  2541.                 logfile.write(self.ui.text_logs.toPlainText())

  2542.                 logfile.close()

  2543.         except:

  2544.             return

  2545. 

  2546.     @pyqtSlot()

  2547.     def slot_logClear(self):

  2548.         self.ui.text_logs.clear()

  2549.         self.ui.text_logs.appendPlainText("======= Logs cleared ========")

  2550.         self.slot_logButtonsState(False)

  2551. 

  2552.     # --------------------------------------------------------------------------------------------------------

  2553.     # Timers

  2554. 

  2555.     def startTimers(self):

  2556.         if self.fIdleTimerFast == 0:

  2557.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2558. 

  2559.         if self.fIdleTimerSlow == 0:

  2560.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2561. 

  2562.     def restartTimersIfNeeded(self):

  2563.         if self.fIdleTimerFast != 0:

  2564.             self.killTimer(self.fIdleTimerFast)

  2565.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2566. 

  2567.         if self.fIdleTimerSlow != 0:

  2568.             self.killTimer(self.fIdleTimerSlow)

  2569.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2570. 

  2571.     def killTimers(self):

  2572.         if self.fIdleTimerFast != 0:

  2573.             self.killTimer(self.fIdleTimerFast)

  2574.             self.fIdleTimerFast = 0

  2575. 

  2576.         if self.fIdleTimerSlow != 0:

  2577.             self.killTimer(self.fIdleTimerSlow)

  2578.             self.fIdleTimerSlow = 0

  2579. 

  2580.     # --------------------------------------------------------------------------------------------------------

  2581.     # Misc

  2582. 

  2583.     @pyqtSlot(bool)

  2584.     def slot_toolbarVisibilityChanged(self, visible):

  2585.         self.ui.toolBar.blockSignals(True)

  2586.         self.ui.toolBar.setEnabled(visible)

  2587.         self.ui.toolBar.blockSignals(False)

  2588.         self.ui.act_settings_show_toolbar.setChecked(visible)

  2589. 

  2590.     @pyqtSlot(int)

  2591.     def slot_tabChanged(self, index):

  2592.         if index != 1:

  2593.             return

  2594. 

  2595.         self.ui.graphicsView.setFocus()

  2596. 

  2597.     @pyqtSlot(int)

  2598.     def slot_handleReloadAllCallback(self, pluginId):

  2599.         if pluginId >= self.fPluginCount:

  2600.             return

  2601. 

  2602.         pitem = self.fPluginList[pluginId]

  2603.         if pitem is None:

  2604.             return

  2605. 

  2606.         pitem.recreateWidget()

  2607. 

  2608.     # --------------------------------------------------------------------------------------------------------

  2609. 

  2610.     @pyqtSlot(int, int, str)

  2611.     def slot_handleNSMCallback(self, opcode, valueInt, valueStr):

  2612.         if opcode == NSM_CALLBACK_INIT:

  2613.             return

  2614. 

  2615.         # Error

  2616.         elif opcode == NSM_CALLBACK_ERROR:

  2617.             pass

  2618. 

  2619.         # Reply

  2620.         elif opcode == NSM_CALLBACK_ANNOUNCE:

  2621.             self.fFirstEngineInit    = False

  2622.             self.fSessionManagerName = valueStr

  2623.             self.setProperWindowTitle()

  2624. 

  2625.             # If NSM server does not support optional-gui, revert our initial assumptions that it does

  2626.             if (valueInt & (1 << 1)) == 0x0:

  2627.                 self.fWindowCloseHideGui = False

  2628.                 self.ui.act_file_quit.setText(self.tr("&Quit"))

  2629.                 QApplication.instance().setQuitOnLastWindowClosed(True)

  2630.                 self.show()

  2631. 

  2632.         # Open

  2633.         elif opcode == NSM_CALLBACK_OPEN:

  2634.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  2635.             self.setProperWindowTitle()

  2636. 

  2637.             self.fCustomStopAction = self.CUSTOM_ACTION_PROJECT_LOAD

  2638.             self.slot_engineStop(True)

  2639.             return

  2640. 

  2641.         # Save

  2642.         elif opcode == NSM_CALLBACK_SAVE:

  2643.             self.saveProjectNow()

  2644. 

  2645.         # Session is Loaded

  2646.         elif opcode == NSM_CALLBACK_SESSION_IS_LOADED:

  2647.             pass

  2648. 

  2649.         # Show Optional Gui

  2650.         elif opcode == NSM_CALLBACK_SHOW_OPTIONAL_GUI:

  2651.             self.show()

  2652. 

  2653.         # Hide Optional Gui

  2654.         elif opcode == NSM_CALLBACK_HIDE_OPTIONAL_GUI:

  2655.             self.hideForNSM()

  2656. 

  2657.         # Set client name

  2658.         elif opcode == NSM_CALLBACK_SET_CLIENT_NAME_ID:

  2659.             self.fClientName = valueStr

  2660.             return

  2661. 

  2662.         self.host.nsm_ready(opcode)

  2663. 

  2664.     # --------------------------------------------------------------------------------------------------------

  2665. 

  2666.     def fixLogText(self, text):

  2667.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  2668. 

  2669.     @pyqtSlot(int, int, int, int, float, str)

  2670.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valuef, valueStr):

  2671.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  2672. 

  2673.     @pyqtSlot(str)

  2674.     def slot_handleInfoCallback(self, info):

  2675.         QMessageBox.information(self, "Information", info)

  2676. 

  2677.     @pyqtSlot(str)

  2678.     def slot_handleErrorCallback(self, error):

  2679.         QMessageBox.critical(self, "Error", error)

  2680. 

  2681.     @pyqtSlot()

  2682.     def slot_handleQuitCallback(self):

  2683.         self.fIsProjectLoading = False

  2684.         self.killTimers()

  2685.         self.removeAllPlugins()

  2686.         self.projectLoadingFinished(False)

  2687. 

  2688.     @pyqtSlot(int)

  2689.     def slot_handleInlineDisplayRedrawCallback(self, pluginId):

  2690.         # FIXME

  2691.         if self.fIdleTimerSlow != 0 and self.fIdleTimerFast != 0 and pluginId < self.fPluginCount and not self.fIsProjectLoading:

  2692.             patchcanvas.redrawPluginGroup(pluginId)

  2693. 

  2694.     # --------------------------------------------------------------------------------------------------------

  2695. 

  2696.     @pyqtSlot()

  2697.     def slot_handleSIGUSR1(self):

  2698.         print("Got SIGUSR1 -> Saving project now")

  2699.         self.slot_fileSave()

  2700. 

  2701.     @pyqtSlot()

  2702.     def slot_handleSIGTERM(self):

  2703.         print("Got SIGTERM -> Closing now")

  2704.         self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2705.         self.close()

  2706. 

  2707.     # --------------------------------------------------------------------------------------------------------

  2708.     # Internal stuff

  2709. 

  2710.     def getExtraPtr(self, plugin):

  2711.         ptype = plugin['type']

  2712. 

  2713.         if ptype == PLUGIN_LADSPA:

  2714.             uniqueId = plugin['uniqueId']

  2715. 

  2716.             self.maybeLoadRDFs()

  2717. 

  2718.             for rdfItem in self.fLadspaRdfList:

  2719.                 if rdfItem.UniqueID == uniqueId:

  2720.                     return pointer(rdfItem)

  2721. 

  2722.         elif ptype == PLUGIN_SF2:

  2723.             if plugin['name'].lower().endswith(" (16 outputs)"):

  2724.                 return self._true

  2725. 

  2726.         return None

  2727. 

  2728.     def maybeLoadRDFs(self):

  2729.         if not self.fLadspaRdfNeedsUpdate:

  2730.             return

  2731. 

  2732.         self.fLadspaRdfNeedsUpdate = False

  2733.         self.fLadspaRdfList = []

  2734. 

  2735.         if not haveLRDF:

  2736.             return

  2737. 

  2738.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  2739.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  2740. 

  2741.         if os.path.exists(frLadspaFile):

  2742.             frLadspa = open(frLadspaFile, 'r')

  2743. 

  2744.             try:

  2745.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  2746.             except:

  2747.                 pass

  2748. 

  2749.             frLadspa.close()

  2750. 

  2751.     # --------------------------------------------------------------------------------------------------------

  2752. 

  2753.     def getPluginCount(self):

  2754.         return self.fPluginCount

  2755. 

  2756.     def getPluginItem(self, pluginId):

  2757.         if pluginId >= self.fPluginCount:

  2758.             return None

  2759. 

  2760.         pitem = self.fPluginList[pluginId]

  2761.         if pitem is None:

  2762.             return None

  2763.         #if False:

  2764.             #return CarlaRackItem(self, 0, False)

  2765. 

  2766.         return pitem

  2767. 

  2768.     def getPluginEditDialog(self, pluginId):

  2769.         if pluginId >= self.fPluginCount:

  2770.             return None

  2771. 

  2772.         pitem = self.fPluginList[pluginId]

  2773.         if pitem is None:

  2774.             return None

  2775.         if False:

  2776.             return PluginEdit(self, self.host, 0)

  2777. 

  2778.         return pitem.getEditDialog()

  2779. 

  2780.     def getPluginSlotWidget(self, pluginId):

  2781.         if pluginId >= self.fPluginCount:

  2782.             return None

  2783. 

  2784.         pitem = self.fPluginList[pluginId]

  2785.         if pitem is None:

  2786.             return None

  2787.         #if False:

  2788.             #return AbstractPluginSlot()

  2789. 

  2790.         return pitem.getWidget()

  2791. 

  2792.     # --------------------------------------------------------------------------------------------------------

  2793. 

  2794.     def waitForPendingEvents(self):

  2795.         pass

  2796. 

  2797.     # --------------------------------------------------------------------------------------------------------

  2798.     # show/hide event

  2799. 

  2800.     def showEvent(self, event):

  2801.         self.getAndRefreshRuntimeInfo()

  2802.         self.refreshTransport(True)

  2803.         QMainWindow.showEvent(self, event)

  2804. 

  2805.         if QT_VERSION >= 0x50600:

  2806.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_UI_SCALE, int(self.devicePixelRatioF() * 1000), "")

  2807.             print("Frontend pixel ratio is", self.devicePixelRatioF())

  2808. 

  2809.         # set our gui as parent for all plugins UIs

  2810.         if self.host.manageUIs and not self.host.isControl:

  2811.             if MACOS:

  2812.                 nsViewPtr = int(self.winId())

  2813.                 winIdStr  = "%x" % gCarla.utils.cocoa_get_window(nsViewPtr)

  2814.             else:

  2815.                 winIdStr = "%x" % int(self.winId())

  2816.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2817. 

  2818.     def hideEvent(self, event):

  2819.         # disable parent

  2820.         if not self.host.isControl:

  2821.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2822. 

  2823.         QMainWindow.hideEvent(self, event)

  2824. 

  2825.     # --------------------------------------------------------------------------------------------------------

  2826.     # resize event

  2827. 

  2828.     def resizeEvent(self, event):

  2829.         QMainWindow.resizeEvent(self, event)

  2830. 

  2831.         if self.fWithCanvas:

  2832.             self.slot_miniCanvasCheckSize()

  2833. 

  2834.     # --------------------------------------------------------------------------------------------------------

  2835.     # timer event

  2836. 

  2837.     def refreshRuntimeInfo(self, load, xruns):

  2838.         txt1 = str(xruns) if (xruns >= 0) else "--"

  2839.         txt2 = "" if (xruns == 1) else "s"

  2840.         self.ui.b_xruns.setText("%s Xrun%s" % (txt1, txt2))

  2841.         self.ui.pb_dsp_load.setValue(int(load))

  2842. 

  2843.     def getAndRefreshRuntimeInfo(self):

  2844.         if not self.ui.pb_dsp_load.isVisible():

  2845.             return

  2846.         if not self.host.is_engine_running():

  2847.             return

  2848.         info = self.host.get_runtime_engine_info()

  2849.         self.refreshRuntimeInfo(info['load'], info['xruns'])

  2850. 

  2851.     def idleFast(self):

  2852.         self.host.engine_idle()

  2853.         self.refreshTransport()

  2854. 

  2855.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2856.             return

  2857. 

  2858.         for pitem in self.fPluginList:

  2859.             if pitem is None:

  2860.                 break

  2861. 

  2862.             pitem.getWidget().idleFast()

  2863. 

  2864.         for pluginId in self.fSelectedPlugins:

  2865.             self.fPeaksCleared = False

  2866.             if self.ui.peak_in.isVisible():

  2867.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2868.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2869.             if self.ui.peak_out.isVisible():

  2870.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2871.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2872.             return

  2873. 

  2874.         if self.fPeaksCleared:

  2875.             return

  2876. 

  2877.         self.fPeaksCleared = True

  2878.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2879.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2880.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2881.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2882. 

  2883.     def idleSlow(self):

  2884.         self.getAndRefreshRuntimeInfo()

  2885. 

  2886.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2887.             return

  2888. 

  2889.         for pitem in self.fPluginList:

  2890.             if pitem is None:

  2891.                 break

  2892. 

  2893.             pitem.getWidget().idleSlow()

  2894. 

  2895.     def timerEvent(self, event):

  2896.         if event.timerId() == self.fIdleTimerFast:

  2897.             self.idleFast()

  2898. 

  2899.         elif event.timerId() == self.fIdleTimerSlow:

  2900.             self.idleSlow()

  2901. 

  2902.         QMainWindow.timerEvent(self, event)

  2903. 

  2904.     # --------------------------------------------------------------------------------------------------------

  2905.     # color/style change event

  2906. 

  2907.     def changeEvent(self, event):

  2908.         if event.type() in (QEvent.PaletteChange, QEvent.StyleChange):

  2909.             self.updateStyle()

  2910.         QMainWindow.changeEvent(self, event)

  2911. 

  2912.     def updateStyle(self):

  2913.         # Rack padding images setup

  2914.         rack_imgL = QImage(":/bitmaps/rack_padding_left.png")

  2915.         rack_imgR = QImage(":/bitmaps/rack_padding_right.png")

  2916. 

  2917.         min_value = 0.07

  2918. 

  2919.         if PYQT_VERSION >= 0x50600:

  2920.             value_fix = 1.0/(1.0-rack_imgL.scaled(1, 1, Qt.IgnoreAspectRatio, Qt.SmoothTransformation).pixelColor(0,0).blackF())

  2921.         else:

  2922.             value_fix = 1.5

  2923. 

  2924.         rack_pal = self.ui.rack.palette()

  2925.         bg_color = rack_pal.window().color()

  2926.         fg_color = rack_pal.text().color()

  2927.         bg_value = 1.0 - bg_color.blackF()

  2928.         if bg_value != 0.0 and bg_value < min_value:

  2929.             pad_color = bg_color.lighter(int(100*min_value/bg_value*value_fix))

  2930.         else:

  2931.             pad_color = QColor.fromHsvF(0.0, 0.0, min_value*value_fix)

  2932. 

  2933.         painter = QPainter()

  2934.         fillRect = rack_imgL.rect().adjusted(-1,-1,1,1)

  2935. 

  2936.         painter.begin(rack_imgL)

  2937.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2938.         painter.setBrush(pad_color)

  2939.         painter.drawRect(fillRect)

  2940.         painter.end()

  2941.         rack_pixmapL = QPixmap(rack_imgL)

  2942.         self.imgL_palette = QPalette()

  2943.         self.imgL_palette.setBrush(QPalette.Window, QBrush(rack_pixmapL))

  2944.         self.ui.pad_left.setPalette(self.imgL_palette)

  2945.         self.ui.pad_left.setAutoFillBackground(True)

  2946. 

  2947.         painter.begin(rack_imgR)

  2948.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2949.         painter.setBrush(pad_color)

  2950.         painter.drawRect(fillRect)

  2951.         painter.end()

  2952.         rack_pixmapR = QPixmap(rack_imgR)

  2953.         self.imgR_palette = QPalette()

  2954.         self.imgR_palette.setBrush(QPalette.Window, QBrush(rack_pixmapR))

  2955.         self.ui.pad_right.setPalette(self.imgR_palette)

  2956.         self.ui.pad_right.setAutoFillBackground(True)

  2957. 

  2958.         # qt's rgba is actually argb, so convert that

  2959.         bg_color_value = bg_color.rgba()

  2960.         bg_color_value = ((bg_color_value & 0xffffff) << 8) | (bg_color_value >> 24)

  2961. 

  2962.         fg_color_value = fg_color.rgba()

  2963.         fg_color_value = ((fg_color_value & 0xffffff) << 8) | (fg_color_value >> 24)

  2964. 

  2965.         self.host.set_engine_option(ENGINE_OPTION_FRONTEND_BACKGROUND_COLOR, bg_color_value, "")

  2966.         self.host.set_engine_option(ENGINE_OPTION_FRONTEND_FOREGROUND_COLOR, fg_color_value, "")

  2967. 

  2968.     # --------------------------------------------------------------------------------------------------------

  2969.     # paint event

  2970. 

  2971.     #def paintEvent(self, event):

  2972.         #QMainWindow.paintEvent(self, event)

  2973. 

  2974.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2975.             #return

  2976. 

  2977.         #painter = QPainter(self)

  2978.         #painter.setBrush(QColor(36, 36, 36))

  2979.         #painter.setPen(QColor(62, 62, 62))

  2980.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2981. 

  2982.     # --------------------------------------------------------------------------------------------------------

  2983.     # close event

  2984. 

  2985.     def shouldIgnoreClose(self):

  2986.         if self.host.isControl or self.host.isPlugin:

  2987.             return False

  2988.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  2989.             return False

  2990.         if self.fWindowCloseHideGui:

  2991.             return False

  2992.         if self.fSavedSettings[CARLA_KEY_MAIN_CONFIRM_EXIT]:

  2993.             return QMessageBox.question(self, self.tr("Quit"),

  2994.                                               self.tr("Are you sure you want to quit Carla?"),

  2995.                                               QMessageBox.Yes|QMessageBox.No) == QMessageBox.No

  2996.         return False

  2997. 

  2998.     def closeEvent(self, event):

  2999.         if self.shouldIgnoreClose():

  3000.             event.ignore()

  3001.             return

  3002. 

  3003.         if self.fWindowCloseHideGui and self.fCustomStopAction != self.CUSTOM_ACTION_APP_CLOSE:

  3004.             self.hideForNSM()

  3005.             self.host.nsm_ready(NSM_CALLBACK_HIDE_OPTIONAL_GUI)

  3006.             return

  3007. 

  3008.         patchcanvas.handleAllPluginsRemoved()

  3009. 

  3010.         if MACOS and self.fMacClosingHelper and not (self.host.isControl or self.host.isPlugin):

  3011.             self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  3012.             self.fMacClosingHelper = False

  3013.             event.ignore()

  3014. 

  3015.             for i in reversed(range(self.fPluginCount)):

  3016.                 self.host.show_custom_ui(i, False)

  3017. 

  3018.             QTimer.singleShot(100, self.close)

  3019.             return

  3020. 

  3021.         self.killTimers()

  3022.         self.saveSettings()

  3023. 

  3024.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  3025.             if not self.slot_engineStop(True):

  3026.                 self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  3027.                 event.ignore()

  3028.                 return

  3029. 

  3030.         QMainWindow.closeEvent(self, event)

  3031. 

  3032.         # if we reach this point, fully close ourselves

  3033.         gCarla.gui = None

  3034.         QApplication.instance().quit()

  3035. 

  3036. # ------------------------------------------------------------------------------------------------

  3037. # Canvas callback

  3038. 

  3039. def canvasCallback(action, value1, value2, valueStr):

  3040.     host = gCarla.gui.host

  3041. 

  3042.     if gCarla.gui.fCustomStopAction == HostWindow.CUSTOM_ACTION_APP_CLOSE:

  3043.         return

  3044. 

  3045.     if action == patchcanvas.ACTION_GROUP_INFO:

  3046.         pass

  3047. 

  3048.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  3049.         pass

  3050. 

  3051.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  3052.         groupId = value1

  3053.         patchcanvas.splitGroup(groupId)

  3054.         gCarla.gui.updateMiniCanvasLater()

  3055. 

  3056.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  3057.         groupId = value1

  3058.         patchcanvas.joinGroup(groupId)

  3059.         gCarla.gui.updateMiniCanvasLater()

  3060. 

  3061.     elif action == patchcanvas.ACTION_GROUP_POSITION:

  3062.         if gCarla.gui.fIsProjectLoading:

  3063.             return

  3064.         if not host.is_engine_running():

  3065.             return

  3066.         groupId = value1

  3067.         x1, y1, x2, y2 = tuple(int(i) for i in valueStr.split(":"))

  3068.         host.patchbay_set_group_pos(gCarla.gui.fExternalPatchbay, groupId, x1, y1, x2, y2)

  3069.         gCarla.gui.updateMiniCanvasLater()

  3070. 

  3071.     elif action == patchcanvas.ACTION_PORT_INFO:

  3072.         pass

  3073. 

  3074.     elif action == patchcanvas.ACTION_PORT_RENAME:

  3075.         pass

  3076. 

  3077.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  3078.         gOut, pOut, gIn, pIn = tuple(int(i) for i in valueStr.split(":"))

  3079. 

  3080.         if not host.patchbay_connect(gCarla.gui.fExternalPatchbay, gOut, pOut, gIn, pIn):

  3081.             print("Connection failed:", host.get_last_error())

  3082. 

  3083.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  3084.         connectionId = value1

  3085. 

  3086.         if not host.patchbay_disconnect(gCarla.gui.fExternalPatchbay, connectionId):

  3087.             print("Disconnect failed:", host.get_last_error())

  3088. 

  3089.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  3090.         pluginId = value1

  3091. 

  3092.         if not host.clone_plugin(pluginId):

  3093.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  3094.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  3095. 

  3096.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  3097.         pluginId = value1

  3098.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  3099. 

  3100.         if pwidget is not None:

  3101.             pwidget.showEditDialog()

  3102. 

  3103.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  3104.         pluginId = value1

  3105.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  3106. 

  3107.         if pwidget is not None:

  3108.             pwidget.showRenameDialog()

  3109. 

  3110.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  3111.         pluginId = value1

  3112.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  3113. 

  3114.         if pwidget is not None:

  3115.             pwidget.showReplaceDialog()

  3116. 

  3117.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  3118.         pluginId = value1

  3119. 

  3120.         if not host.remove_plugin(pluginId):

  3121.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  3122.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  3123. 

  3124.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  3125.         pluginId = value1

  3126.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  3127. 

  3128.         if pwidget is not None:

  3129.             pwidget.showCustomUI()

  3130. 

  3131.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  3132.         gCarla.gui.slot_showPluginActionsMenu()

  3133. 

  3134.     elif action == patchcanvas.ACTION_INLINE_DISPLAY:

  3135.         if gCarla.gui.fIsProjectLoading:

  3136.             return

  3137.         if not host.is_engine_running():

  3138.             return

  3139.         pluginId = value1

  3140.         width, height = [int(v) for v in valueStr.split(":")]

  3141.         return host.render_inline_display(pluginId, width, height)

  3142. 

  3143. # ------------------------------------------------------------------------------------------------------------

  3144. # Engine callback

  3145. 

  3146. def engineCallback(host, action, pluginId, value1, value2, value3, valuef, valueStr):

  3147.     # kdevelop likes this :)

  3148.     if False: host = CarlaHostNull()

  3149. 

  3150.     valueStr = charPtrToString(valueStr)

  3151. 

  3152.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  3153.         host.processMode   = value1

  3154.         host.transportMode = value2

  3155.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  3156.         host.processMode   = value1

  3157.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  3158.         host.transportMode  = value1

  3159.         host.transportExtra = valueStr

  3160. 

  3161.     if action == ENGINE_CALLBACK_DEBUG:

  3162.         host.DebugCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  3163.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  3164.         host.PluginAddedCallback.emit(pluginId, value1, valueStr)

  3165.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  3166.         host.PluginRemovedCallback.emit(pluginId)

  3167.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  3168.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  3169.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  3170.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  3171.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  3172.         host.ParameterValueChangedCallback.emit(pluginId, value1, valuef)

  3173.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  3174.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, valuef)

  3175.     elif action == ENGINE_CALLBACK_PARAMETER_MAPPED_CONTROL_INDEX_CHANGED:

  3176.         host.ParameterMappedControlIndexChangedCallback.emit(pluginId, value1, value2)

  3177.     elif action == ENGINE_CALLBACK_PARAMETER_MAPPED_RANGE_CHANGED:

  3178.         minimum, maximum = (float(v) for v in valueStr.split(":", 2))

  3179.         host.ParameterMappedRangeChangedCallback.emit(pluginId, value1, minimum, maximum)

  3180.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  3181.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  3182.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  3183.         host.ProgramChangedCallback.emit(pluginId, value1)

  3184.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  3185.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  3186.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  3187.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  3188.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  3189.         host.UiStateChangedCallback.emit(pluginId, value1)

  3190.     elif action == ENGINE_CALLBACK_NOTE_ON:

  3191.         host.NoteOnCallback.emit(pluginId, value1, value2, value3)

  3192.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  3193.         host.NoteOffCallback.emit(pluginId, value1, value2)

  3194.     elif action == ENGINE_CALLBACK_UPDATE:

  3195.         host.UpdateCallback.emit(pluginId)

  3196.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  3197.         host.ReloadInfoCallback.emit(pluginId)

  3198.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  3199.         host.ReloadParametersCallback.emit(pluginId)

  3200.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  3201.         host.ReloadProgramsCallback.emit(pluginId)

  3202.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  3203.         host.ReloadAllCallback.emit(pluginId)

  3204.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  3205.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  3206.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  3207.         host.PatchbayClientRemovedCallback.emit(pluginId)

  3208.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  3209.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  3210.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  3211.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  3212.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_POSITION_CHANGED:

  3213.         host.PatchbayClientPositionChangedCallback.emit(pluginId, value1, value2, value3, int(round(valuef)))

  3214.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  3215.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, value3, valueStr)

  3216.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  3217.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  3218.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_CHANGED:

  3219.         host.PatchbayPortChangedCallback.emit(pluginId, value1, value2, value3, valueStr)

  3220.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_ADDED:

  3221.         host.PatchbayPortGroupAddedCallback.emit(pluginId, value1, value2, valueStr)

  3222.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_REMOVED:

  3223.         host.PatchbayPortGroupRemovedCallback.emit(pluginId, value1)

  3224.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_CHANGED:

  3225.         host.PatchbayPortGroupChangedCallback.emit(pluginId, value1, value2, valueStr)

  3226.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  3227.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  3228.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  3229.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  3230.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  3231.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  3232.         host.EngineStartedCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  3233.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  3234.         host.EngineStoppedCallback.emit()

  3235.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  3236.         host.ProcessModeChangedCallback.emit(value1)

  3237.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  3238.         host.TransportModeChangedCallback.emit(value1, valueStr)

  3239.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  3240.         host.BufferSizeChangedCallback.emit(value1)

  3241.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  3242.         host.SampleRateChangedCallback.emit(valuef)

  3243.     elif action == ENGINE_CALLBACK_CANCELABLE_ACTION:

  3244.         host.CancelableActionCallback.emit(pluginId, bool(value1 != 0), valueStr)

  3245.     elif action == ENGINE_CALLBACK_PROJECT_LOAD_FINISHED:

  3246.         host.ProjectLoadFinishedCallback.emit()

  3247.     elif action == ENGINE_CALLBACK_NSM:

  3248.         host.NSMCallback.emit(value1, value2, valueStr)

  3249.     elif action == ENGINE_CALLBACK_IDLE:

  3250.         QApplication.processEvents()

  3251.     elif action == ENGINE_CALLBACK_INFO:

  3252.         host.InfoCallback.emit(valueStr)

  3253.     elif action == ENGINE_CALLBACK_ERROR:

  3254.         host.ErrorCallback.emit(valueStr)

  3255.     elif action == ENGINE_CALLBACK_QUIT:

  3256.         host.QuitCallback.emit()

  3257.     elif action == ENGINE_CALLBACK_INLINE_DISPLAY_REDRAW:

  3258.         host.InlineDisplayRedrawCallback.emit(pluginId)

  3259.     else:

  3260.         print("unhandled action", action)

  3261. 

  3262. # ------------------------------------------------------------------------------------------------------------

  3263. # File callback

  3264. 

  3265. def fileCallback(ptr, action, isDir, title, filter):

  3266.     title  = charPtrToString(title)

  3267.     filter = charPtrToString(filter)

  3268. 

  3269.     if action == FILE_CALLBACK_OPEN:

  3270.         ret, ok = QFileDialog.getOpenFileName(gCarla.gui, title, "", filter) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  3271.     elif action == FILE_CALLBACK_SAVE:

  3272.         ret, ok = QFileDialog.getSaveFileName(gCarla.gui, title, "", filter, QFileDialog.ShowDirsOnly if isDir else 0x0)

  3273.     else:

  3274.         ret, ok = ("", "")

  3275. 

  3276.     # FIXME use ok value, test if it works as expected

  3277.     if not ret:

  3278.         return None

  3279. 

  3280.     # FIXME

  3281.     global fileRet

  3282.     fileRet = c_char_p(ret.encode("utf-8"))

  3283.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  3284.     return retval.contents.value

  3285. 

  3286. # ------------------------------------------------------------------------------------------------------------

  3287. # Init host

  3288. 

  3289. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  3290.     pathBinaries, pathResources = getPaths(libPrefix)

  3291. 

  3292.     # --------------------------------------------------------------------------------------------------------

  3293.     # Fail if binary dir is not found

  3294. 

  3295.     if not os.path.exists(pathBinaries):

  3296.         if failError:

  3297.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  3298.             sys.exit(1)

  3299.         return

  3300. 

  3301.     # --------------------------------------------------------------------------------------------------------

  3302.     # Check if we should open main lib as local or global

  3303. 

  3304.     settings = QSafeSettings("falkTX", "Carla2")

  3305. 

  3306.     loadGlobal = settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL, CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL, bool)

  3307. 

  3308.     # --------------------------------------------------------------------------------------------------------

  3309.     # Set Carla library name

  3310. 

  3311.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  3312.     libname   = os.path.join(pathBinaries, libname)

  3313.     felibname = os.path.join(pathBinaries, "libcarla_frontend.%s" % (DLL_EXTENSION))

  3314.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  3315. 

  3316.     # --------------------------------------------------------------------------------------------------------

  3317.     # Print info

  3318. 

  3319.     if not (gCarla.nogui and isinstance(gCarla.nogui, int)):

  3320.         print("Carla %s started, status:" % VERSION)

  3321.         print("  Python version: %s" % sys.version.split(" ",1)[0])

  3322.         print("  Qt version:     %s" % QT_VERSION_STR)

  3323.         print("  PyQt version:   %s" % PYQT_VERSION_STR)

  3324.         print("  Binary dir:     %s" % pathBinaries)

  3325.         print("  Resources dir:  %s" % pathResources)

  3326. 

  3327.     # --------------------------------------------------------------------------------------------------------

  3328.     # Init host

  3329. 

  3330.     if failError:

  3331.         # no try

  3332.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  3333.     else:

  3334.         try:

  3335.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  3336.         except:

  3337.             host = CarlaHostQtNull()

  3338. 

  3339.     host.isControl = isControl

  3340.     host.isPlugin  = isPlugin

  3341. 

  3342.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vf,vs: engineCallback(host,a,p,v1,v2,v3,vf,vs))

  3343.     host.set_file_callback(fileCallback)

  3344. 

  3345.     # If it's a plugin the paths are already set

  3346.     if not isPlugin:

  3347.         host.pathBinaries  = pathBinaries

  3348.         host.pathResources = pathResources

  3349.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  3350.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  3351. 

  3352.         if not isControl:

  3353.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  3354. 

  3355.     # --------------------------------------------------------------------------------------------------------

  3356.     # Init frontend lib

  3357. 

  3358.     if not gCarla.nogui:

  3359.         gCarla.felib = CarlaFrontendLib(felibname)

  3360. 

  3361.     # --------------------------------------------------------------------------------------------------------

  3362.     # Init utils

  3363. 

  3364.     gCarla.utils = CarlaUtils(utilsname)

  3365.     gCarla.utils.set_process_name(os.path.basename(initName))

  3366. 

  3367.     try:

  3368.         sys.stdout.flush()

  3369.     except:

  3370.         pass

  3371. 

  3372.     sys.stdout = CarlaPrint(False)

  3373.     sys.stderr = CarlaPrint(True)

  3374.     sys.excepthook = sys_excepthook

  3375. 

  3376.     # --------------------------------------------------------------------------------------------------------

  3377.     # Done

  3378. 

  3379.     return host

  3380. 

  3381. # ------------------------------------------------------------------------------------------------------------

  3382. # Load host settings

  3383. 

  3384. def loadHostSettings(host):

  3385.     # kdevelop likes this :)

  3386.     if False: host = CarlaHostNull()

  3387. 

  3388.     settings = QSafeSettings("falkTX", "Carla2")

  3389. 

  3390.     host.experimental = settings.value(CARLA_KEY_MAIN_EXPERIMENTAL, CARLA_DEFAULT_MAIN_EXPERIMENTAL, bool)

  3391.     host.exportLV2 = settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2, CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT, bool)

  3392.     host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, bool)

  3393.     host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, int)

  3394.     host.resetXruns = settings.value(CARLA_KEY_ENGINE_RESET_XRUNS, CARLA_DEFAULT_RESET_XRUNS, bool)

  3395.     host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, bool)

  3396.     host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, bool)

  3397.     host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, bool)

  3398.     host.preventBadBehaviour = settings.value(CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, bool)

  3399.     host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, bool) and not WINDOWS

  3400.     host.showPluginBridges = settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, bool)

  3401.     host.showWineBridges = settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, bool)

  3402.     host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, int)

  3403.     host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, bool)

  3404. 

  3405.     if host.isPlugin:

  3406.         return

  3407. 

  3408.     host.transportExtra = settings.value(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, "", str)

  3409. 

  3410.     # enums

  3411.     if host.audioDriverForced is None:

  3412.         host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, int)

  3413. 

  3414.     if not host.processModeForced:

  3415.         host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, int)

  3416. 

  3417.     host.nextProcessMode = host.processMode

  3418. 

  3419.     # --------------------------------------------------------------------------------------------------------

  3420.     # fix things if needed

  3421. 

  3422.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  3423.         if LADISH_APP_NAME:

  3424.             print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  3425.             host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  3426. 

  3427.         else:

  3428.             host.transportMode = ENGINE_TRANSPORT_MODE_JACK

  3429. 

  3430.     if gCarla.nogui:

  3431.         host.showLogs = False

  3432. 

  3433.     # --------------------------------------------------------------------------------------------------------

  3434.     # run headless host now if nogui option enabled

  3435. 

  3436.     if gCarla.nogui:

  3437.         runHostWithoutUI(host)

  3438. 

  3439. # ------------------------------------------------------------------------------------------------------------

  3440. # Set host settings

  3441. 

  3442. def setHostSettings(host):

  3443.     # kdevelop likes this :)

  3444.     if False: host = CarlaHostNull()

  3445. 

  3446.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  3447.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  3448.     host.set_engine_option(ENGINE_OPTION_RESET_XRUNS,           host.resetXruns,          "")

  3449.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  3450.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  3451.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  3452.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  3453.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  3454. 

  3455.     if host.isPlugin or host.isRemote or host.is_engine_running():

  3456.         return

  3457. 

  3458.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  3459.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       host.transportExtra)

  3460.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  3461. 

  3462.     if not (NSM_URL and host.nsmOK):

  3463.         host.set_engine_option(ENGINE_OPTION_CLIENT_NAME_PREFIX, 0, gCarla.cnprefix)

  3464. 

  3465. # ---------------------------------------------------------------------------------------------------------------------

  3466. # Set Engine settings according to carla preferences. Returns selected audio driver.

  3467. 

  3468. def setEngineSettings(host, settings, oscPort = None):

  3469.     # kdevelop likes this :)

  3470.     if False: host = CarlaHostNull()

  3471. 

  3472.     # -----------------------------------------------------------------------------------------------------------------

  3473.     # do nothing if control

  3474. 

  3475.     if host.isControl:

  3476.         return "Control"

  3477. 

  3478.     # -----------------------------------------------------------------------------------------------------------------

  3479.     # fetch settings as needed

  3480. 

  3481.     if settings is None:

  3482.         qsettings = QSafeSettings("falkTX", "Carla2")

  3483. 

  3484.         if host.audioDriverForced is not None:

  3485.             audioDriver = host.audioDriverForced

  3486.         else:

  3487.             audioDriver = qsettings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, str)

  3488. 

  3489.         audioDriverPrefix = CARLA_KEY_ENGINE_DRIVER_PREFIX + audioDriver

  3490. 

  3491.         settings = {

  3492.             # engine

  3493.             CARLA_KEY_ENGINE_AUDIO_DRIVER: audioDriver,

  3494.             CARLA_KEY_ENGINE_AUDIO_DEVICE: qsettings.value(audioDriverPrefix+"/Device", "", str),

  3495.             CARLA_KEY_ENGINE_BUFFER_SIZE: qsettings.value(audioDriverPrefix+"/BufferSize", CARLA_DEFAULT_AUDIO_BUFFER_SIZE, int),

  3496.             CARLA_KEY_ENGINE_SAMPLE_RATE: qsettings.value(audioDriverPrefix+"/SampleRate", CARLA_DEFAULT_AUDIO_SAMPLE_RATE, int),

  3497.             CARLA_KEY_ENGINE_TRIPLE_BUFFER: qsettings.value(audioDriverPrefix+"/TripleBuffer", CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER, bool),

  3498. 

  3499.             # file paths

  3500.             CARLA_KEY_PATHS_AUDIO: splitter.join(qsettings.value(CARLA_KEY_PATHS_AUDIO, CARLA_DEFAULT_FILE_PATH_AUDIO, list)),

  3501.             CARLA_KEY_PATHS_MIDI: splitter.join(qsettings.value(CARLA_KEY_PATHS_MIDI,  CARLA_DEFAULT_FILE_PATH_MIDI, list)),

  3502. 

  3503.             # plugin paths

  3504.             CARLA_KEY_PATHS_LADSPA: splitter.join(qsettings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH, list)),

  3505.             CARLA_KEY_PATHS_DSSI: splitter.join(qsettings.value(CARLA_KEY_PATHS_DSSI, CARLA_DEFAULT_DSSI_PATH, list)),

  3506.             CARLA_KEY_PATHS_LV2: splitter.join(qsettings.value(CARLA_KEY_PATHS_LV2, CARLA_DEFAULT_LV2_PATH, list)),

  3507.             CARLA_KEY_PATHS_VST2: splitter.join(qsettings.value(CARLA_KEY_PATHS_VST2, CARLA_DEFAULT_VST2_PATH, list)),

  3508.             CARLA_KEY_PATHS_VST3: splitter.join(qsettings.value(CARLA_KEY_PATHS_VST3, CARLA_DEFAULT_VST3_PATH, list)),

  3509.             CARLA_KEY_PATHS_SF2: splitter.join(qsettings.value(CARLA_KEY_PATHS_SF2, CARLA_DEFAULT_SF2_PATH, list)),

  3510.             CARLA_KEY_PATHS_SFZ: splitter.join(qsettings.value(CARLA_KEY_PATHS_SFZ, CARLA_DEFAULT_SFZ_PATH, list)),

  3511.             CARLA_KEY_PATHS_JSFX: splitter.join(qsettings.value(CARLA_KEY_PATHS_JSFX, CARLA_DEFAULT_JSFX_PATH, list)),

  3512.             CARLA_KEY_PATHS_CLAP: splitter.join(qsettings.value(CARLA_KEY_PATHS_CLAP, CARLA_DEFAULT_CLAP_PATH, list)),

  3513. 

  3514.             # osc

  3515.             CARLA_KEY_OSC_ENABLED: qsettings.value(CARLA_KEY_OSC_ENABLED, CARLA_DEFAULT_OSC_ENABLED, bool),

  3516.             CARLA_KEY_OSC_TCP_PORT_ENABLED: qsettings.value(CARLA_KEY_OSC_TCP_PORT_ENABLED, CARLA_DEFAULT_OSC_TCP_PORT_ENABLED, bool),

  3517.             CARLA_KEY_OSC_TCP_PORT_RANDOM: qsettings.value(CARLA_KEY_OSC_TCP_PORT_RANDOM, CARLA_DEFAULT_OSC_TCP_PORT_RANDOM, bool),

  3518.             CARLA_KEY_OSC_TCP_PORT_NUMBER: qsettings.value(CARLA_KEY_OSC_TCP_PORT_NUMBER, CARLA_DEFAULT_OSC_TCP_PORT_NUMBER, int),

  3519.             CARLA_KEY_OSC_UDP_PORT_ENABLED: qsettings.value(CARLA_KEY_OSC_UDP_PORT_ENABLED, CARLA_DEFAULT_OSC_UDP_PORT_ENABLED, bool),

  3520.             CARLA_KEY_OSC_UDP_PORT_RANDOM: qsettings.value(CARLA_KEY_OSC_UDP_PORT_RANDOM, CARLA_DEFAULT_OSC_UDP_PORT_RANDOM, bool),

  3521.             CARLA_KEY_OSC_UDP_PORT_NUMBER: qsettings.value(CARLA_KEY_OSC_UDP_PORT_NUMBER, CARLA_DEFAULT_OSC_UDP_PORT_NUMBER, int),

  3522. 

  3523.             # wine

  3524.             CARLA_KEY_WINE_EXECUTABLE: qsettings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, str),

  3525.             CARLA_KEY_WINE_AUTO_PREFIX: qsettings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, bool),

  3526.             CARLA_KEY_WINE_FALLBACK_PREFIX: qsettings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, str),

  3527.             CARLA_KEY_WINE_RT_PRIO_ENABLED: qsettings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, bool),

  3528.             CARLA_KEY_WINE_BASE_RT_PRIO: qsettings.value(CARLA_KEY_WINE_BASE_RT_PRIO, CARLA_DEFAULT_WINE_BASE_RT_PRIO, int),

  3529.             CARLA_KEY_WINE_SERVER_RT_PRIO: qsettings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, int),

  3530.         }

  3531. 

  3532.     # -----------------------------------------------------------------------------------------------------------------

  3533.     # main settings

  3534. 

  3535.     setHostSettings(host)

  3536. 

  3537.     # -----------------------------------------------------------------------------------------------------------------

  3538.     # file paths

  3539. 

  3540.     host.set_engine_option(ENGINE_OPTION_FILE_PATH, FILE_AUDIO, settings[CARLA_KEY_PATHS_AUDIO])

  3541.     host.set_engine_option(ENGINE_OPTION_FILE_PATH, FILE_MIDI, settings[CARLA_KEY_PATHS_MIDI])

  3542. 

  3543.     # -----------------------------------------------------------------------------------------------------------------

  3544.     # plugin paths

  3545. 

  3546.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, settings[CARLA_KEY_PATHS_LADSPA])

  3547.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI, settings[CARLA_KEY_PATHS_DSSI])

  3548.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2, settings[CARLA_KEY_PATHS_LV2])

  3549.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2, settings[CARLA_KEY_PATHS_VST2])

  3550.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST3, settings[CARLA_KEY_PATHS_VST3])

  3551.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2, settings[CARLA_KEY_PATHS_SF2])

  3552.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ, settings[CARLA_KEY_PATHS_SFZ])

  3553.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_JSFX, settings[CARLA_KEY_PATHS_JSFX])

  3554.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_CLAP, settings[CARLA_KEY_PATHS_CLAP])

  3555. 

  3556.     # -----------------------------------------------------------------------------------------------------------------

  3557.     # don't continue if plugin

  3558. 

  3559.     if host.isPlugin:

  3560.         return "Plugin"

  3561. 

  3562.     # -----------------------------------------------------------------------------------------------------------------

  3563.     # osc settings

  3564. 

  3565.     if oscPort is not None and isinstance(oscPort, int):

  3566.         oscEnabled = True

  3567.         portNumTCP = portNumUDP = oscPort

  3568. 

  3569.     else:

  3570.         oscEnabled = settings[CARLA_KEY_OSC_ENABLED]

  3571. 

  3572.         if not settings[CARLA_KEY_OSC_TCP_PORT_ENABLED]:

  3573.             portNumTCP = -1

  3574.         elif settings[CARLA_KEY_OSC_TCP_PORT_RANDOM]:

  3575.             portNumTCP = 0

  3576.         else:

  3577.             portNumTCP = settings[CARLA_KEY_OSC_TCP_PORT_NUMBER]

  3578. 

  3579.         if not settings[CARLA_KEY_OSC_UDP_PORT_ENABLED]:

  3580.             portNumUDP = -1

  3581.         elif settings[CARLA_KEY_OSC_UDP_PORT_RANDOM]:

  3582.             portNumUDP = 0

  3583.         else:

  3584.             portNumUDP = settings[CARLA_KEY_OSC_UDP_PORT_NUMBER]

  3585. 

  3586.     host.set_engine_option(ENGINE_OPTION_OSC_ENABLED, 1 if oscEnabled else 0, "")

  3587.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_TCP, portNumTCP, "")

  3588.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_UDP, portNumUDP, "")

  3589. 

  3590.     # -----------------------------------------------------------------------------------------------------------------

  3591.     # wine settings

  3592. 

  3593.     host.set_engine_option(ENGINE_OPTION_WINE_EXECUTABLE, 0, settings[CARLA_KEY_WINE_EXECUTABLE])

  3594.     host.set_engine_option(ENGINE_OPTION_WINE_AUTO_PREFIX, 1 if settings[CARLA_KEY_WINE_AUTO_PREFIX] else 0, "")

  3595.     host.set_engine_option(ENGINE_OPTION_WINE_FALLBACK_PREFIX, 0, os.path.expanduser(settings[CARLA_KEY_WINE_FALLBACK_PREFIX]))

  3596.     host.set_engine_option(ENGINE_OPTION_WINE_RT_PRIO_ENABLED, 1 if settings[CARLA_KEY_WINE_RT_PRIO_ENABLED] else 0, "")

  3597.     host.set_engine_option(ENGINE_OPTION_WINE_BASE_RT_PRIO, settings[CARLA_KEY_WINE_BASE_RT_PRIO], "")

  3598.     host.set_engine_option(ENGINE_OPTION_WINE_SERVER_RT_PRIO, settings[CARLA_KEY_WINE_SERVER_RT_PRIO], "")

  3599. 

  3600.     # -----------------------------------------------------------------------------------------------------------------

  3601.     # driver and device settings

  3602. 

  3603.     # driver name

  3604.     audioDriver = settings[CARLA_KEY_ENGINE_AUDIO_DRIVER]

  3605. 

  3606.     # Only setup audio things if engine is not running

  3607.     if not host.is_engine_running():

  3608.         host.set_engine_option(ENGINE_OPTION_AUDIO_DRIVER, 0, audioDriver)

  3609.         host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE, 0, settings[CARLA_KEY_ENGINE_AUDIO_DEVICE])

  3610. 

  3611.         if not audioDriver.startswith("JACK"):

  3612.             host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, settings[CARLA_KEY_ENGINE_BUFFER_SIZE], "")

  3613.             host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, settings[CARLA_KEY_ENGINE_SAMPLE_RATE], "")

  3614.             host.set_engine_option(ENGINE_OPTION_AUDIO_TRIPLE_BUFFER, 1 if settings[CARLA_KEY_ENGINE_TRIPLE_BUFFER] else 0, "")

  3615. 

  3616.     # -----------------------------------------------------------------------------------------------------------------

  3617.     # fix things if needed

  3618. 

  3619.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  3620.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  3621.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, host.transportExtra)

  3622. 

  3623.     # -----------------------------------------------------------------------------------------------------------------

  3624.     # return selected driver name

  3625. 

  3626.     return audioDriver

  3627. 

  3628. # ---------------------------------------------------------------------------------------------------------------------

  3629. # Run Carla without showing UI

  3630. 

  3631. def runHostWithoutUI(host):

  3632.     # kdevelop likes this :)

  3633.     if False: host = CarlaHostNull()

  3634. 

  3635.     # --------------------------------------------------------------------------------------------------------

  3636.     # Some initial checks

  3637. 

  3638.     if not gCarla.nogui:

  3639.         return

  3640. 

  3641.     projectFile = getInitialProjectFile(True)

  3642. 

  3643.     if gCarla.nogui is True:

  3644.         oscPort = None

  3645. 

  3646.         if not projectFile:

  3647.             print("Carla no-gui mode can only be used together with a project file.")

  3648.             sys.exit(1)

  3649. 

  3650.     else:

  3651.         oscPort = gCarla.nogui

  3652. 

  3653.     # --------------------------------------------------------------------------------------------------------

  3654.     # Additional imports

  3655. 

  3656.     from time import sleep

  3657. 

  3658.     # --------------------------------------------------------------------------------------------------------

  3659.     # Init engine

  3660. 

  3661.     audioDriver = setEngineSettings(host, None, oscPort)

  3662.     if not host.engine_init(audioDriver, "Carla"):

  3663.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  3664.         sys.exit(1)

  3665. 

  3666.     if projectFile and not host.load_project(projectFile):

  3667.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  3668.         host.engine_close()

  3669.         sys.exit(1)

  3670. 

  3671.     # --------------------------------------------------------------------------------------------------------

  3672.     # Idle

  3673. 

  3674.     print("Carla ready!")

  3675. 

  3676.     while host.is_engine_running() and not gCarla.term:

  3677.         host.engine_idle()

  3678.         sleep(0.0333) # 30 Hz

  3679. 

  3680.     # --------------------------------------------------------------------------------------------------------

  3681.     # Stop

  3682. 

  3683.     host.engine_close()

  3684.     sys.exit(0)

  3685. 

  3686. # ------------------------------------------------------------------------------------------------------------