falkTX
/
Carla
mirror of https://github.com/falkTX/Carla
1
0
Fork 0
Code Releases 42 Activity
Audio plugin host https://kx.studio/carla
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
4718 Commits
16 Branches
14GB
Tree: ebdfa4046d
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'ebdfa4046d'
${ noResults }
Carla/source/frontend/carla_host.py

3007 lines
116KB
Raw Blame History 

  1. #!/usr/bin/env python3

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

  3. 

  4. # Carla host code

  5. # Copyright (C) 2011-2019 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. from PyQt5.Qt import PYQT_VERSION

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

  26. from PyQt5.QtGui import QImage, QPalette, QBrush

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

  28. 

  29. # ------------------------------------------------------------------------------------------------------------

  30. # Imports (Custom)

  31. 

  32. import ui_carla_host

  33. 

  34. from carla_app import *

  35. from carla_database import *

  36. from carla_settings import *

  37. from carla_utils import *

  38. from carla_widgets import *

  39. 

  40. from patchcanvas import patchcanvas

  41. from widgets.digitalpeakmeter import DigitalPeakMeter

  42. from widgets.pixmapkeyboard import PixmapKeyboardHArea

  43. 

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

  45. # Try Import OpenGL

  46. 

  47. try:

  48.     from PyQt5.QtOpenGL import QGLWidget

  49.     hasGL = True

  50. except:

  51.     hasGL = False

  52. 

  53. # ------------------------------------------------------------------------------------------------------------

  54. # Safe exception hook, needed for PyQt5

  55. 

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

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

  58. 

  59. # ------------------------------------------------------------------------------------------------------------

  60. # Session Management support

  61. 

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

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

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

  65. 

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

  67. # Small print helper

  68. 

  69. def processMode2Str(processMode):

  70.     if processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT:

  71.         return "Single client"

  72.     if processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  73.         return "Multi client"

  74.     if processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK:

  75.         return "Continuous Rack"

  76.     if processMode == ENGINE_PROCESS_MODE_PATCHBAY:

  77.         return "Patchbay"

  78.     if processMode == ENGINE_PROCESS_MODE_BRIDGE:

  79.         return "Bridge"

  80.     return "Unknown"

  81. 

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

  83. # Carla Print class

  84. 

  85. class CarlaPrint:

  86.     def __init__(self, err):

  87.         self.err = err

  88. 

  89.     def flush(self):

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

  91. 

  92.     def write(self, string):

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

  94. 

  95. # ------------------------------------------------------------------------------------------------------------

  96. # Host Window

  97. 

  98. class HostWindow(QMainWindow):

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

  100.     # signals

  101.     SIGTERM = pyqtSignal()

  102.     SIGUSR1 = pyqtSignal()

  103. 

  104.     # CustomActions

  105.     CUSTOM_ACTION_NONE         = 0

  106.     CUSTOM_ACTION_APP_CLOSE    = 1

  107.     CUSTOM_ACTION_PROJECT_LOAD = 2

  108. 

  109.     # --------------------------------------------------------------------------------------------------------

  110. 

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

  112.         QMainWindow.__init__(self, parent)

  113.         self.host = host

  114.         self.ui = ui_carla_host.Ui_CarlaHostW()

  115.         self.ui.setupUi(self)

  116.         gCarla.gui = self

  117. 

  118.         if False:

  119.             # kdevelop likes this :)

  120.             host = CarlaHostNull()

  121.             self.host = host

  122. 

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

  124. 

  125.         self.fParentOrSelf = parent or self

  126. 

  127.         # ----------------------------------------------------------------------------------------------------

  128.         # Internal stuff

  129. 

  130.         self.fIdleTimerFast = 0

  131.         self.fIdleTimerSlow = 0

  132. 

  133.         self.fLadspaRdfNeedsUpdate = True

  134.         self.fLadspaRdfList = []

  135. 

  136.         self.fPluginCount = 0

  137.         self.fPluginList  = []

  138. 

  139.         self.fProjectFilename  = ""

  140.         self.fIsProjectLoading = False

  141.         self.fCurrentlyRemovingAllPlugins = False

  142. 

  143.         self.fLastTransportBPM   = 0.0

  144.         self.fLastTransportFrame = 0

  145.         self.fLastTransportState = False

  146.         self.fSampleRate         = 0.0

  147. 

  148.         if MACOS:

  149.             self.fMacClosingHelper = True

  150. 

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

  152.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  153. 

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

  155.         self.fFirstEngineInit = True

  156. 

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

  158.         self.fSavedSettings = {}

  159. 

  160.         if host.isControl:

  161.             self.fClientName         = "Carla-Control"

  162.             self.fSessionManagerName = "Control"

  163.         elif host.isPlugin:

  164.             self.fClientName         = "Carla-Plugin"

  165.             self.fSessionManagerName = "Plugin"

  166.         elif LADISH_APP_NAME:

  167.             self.fClientName         = LADISH_APP_NAME

  168.             self.fSessionManagerName = "LADISH"

  169.         elif NSM_URL and host.nsmOK:

  170.             self.fClientName         = "Carla.tmp"

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

  172.         else:

  173.             self.fClientName         = CARLA_CLIENT_NAME or "Carla"

  174.             self.fSessionManagerName = ""

  175. 

  176.         # ----------------------------------------------------------------------------------------------------

  177.         # Internal stuff (patchbay)

  178. 

  179.         self.fExportImage = QImage()

  180. 

  181.         self.fPeaksCleared = True

  182. 

  183.         self.fExternalPatchbay = False

  184.         self.fSelectedPlugins  = []

  185. 

  186.         self.fCanvasWidth  = 0

  187.         self.fCanvasHeight = 0

  188.         self.fMiniCanvasUpdateTimeout = 0

  189. 

  190.         self.fWithCanvas = withCanvas

  191. 

  192.         # ----------------------------------------------------------------------------------------------------

  193.         # Set up GUI (engine stopped)

  194. 

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

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

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

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

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

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

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

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

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

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

  205. 

  206.             if self.host.isControl:

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

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

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

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

  211.                 self.ui.act_plugin_add.setVisible(False)

  212.                 self.ui.act_plugin_add2.setVisible(False)

  213.                 self.ui.act_plugin_remove_all.setVisible(False)

  214.                 self.ui.act_add_jack.setVisible(False)

  215.                 self.ui.menu_Plugin.setEnabled(False)

  216.                 self.ui.menu_Plugin.setVisible(False)

  217.                 self.ui.menu_Plugin.menuAction().setVisible(False)

  218.             else:

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

  220. 

  221.         else:

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

  223. 

  224.             if WINDOWS:

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

  226. 

  227.         if not self.host.isControl:

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

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

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

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

  232. 

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

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

  235. 

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

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

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

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

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

  241. 

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

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

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

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

  246. 

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

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

  249. 

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

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

  252. 

  253.         if not withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  271.             self.ui.miniCanvasPreview.hide()

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

  273.             if WINDOWS:

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

  275. 

  276.             if host.isControl:

  277.                 self.ui.dockWidget.hide()

  278. 

  279.         # ----------------------------------------------------------------------------------------------------

  280.         # Set up GUI (disk)

  281. 

  282.         exts = gCarla.utils.get_supported_file_extensions()

  283. 

  284.         self.fDirModel = QFileSystemModel(self)

  285.         self.fDirModel.setRootPath(HOME)

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

  287. 

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

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

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

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

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

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

  294. 

  295.         # ----------------------------------------------------------------------------------------------------

  296.         # Set up GUI (transport)

  297. 

  298.         fontMetrics   = QFontMetrics(self.ui.l_transport_bbt.font())

  299.         minValueWidth = fontMetrics.width("000|00|0000")

  300.         minLabelWidth = fontMetrics.width(self.ui.label_transport_frame.text())

  301. 

  302.         labelTimeWidth = fontMetrics.width(self.ui.label_transport_time.text())

  303.         labelBBTWidth  = fontMetrics.width(self.ui.label_transport_bbt.text())

  304. 

  305.         if minLabelWidth < labelTimeWidth:

  306.             minLabelWidth = labelTimeWidth

  307.         if minLabelWidth < labelBBTWidth:

  308.             minLabelWidth = labelBBTWidth

  309. 

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

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

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

  313. 

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

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

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

  317. 

  318.         if host.isControl or host.isPlugin:

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

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

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

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

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

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

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

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

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

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

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

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

  331. 

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

  333. 

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

  335.         # Set up GUI (rack)

  336. 

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

  338. 

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

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

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

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

  343. 

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

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

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

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

  348. 

  349.         self.updateStyle()

  350. 

  351.         self.ui.rack.setStyleSheet("""

  352.           CarlaRackList#CarlaRackList {

  353.             background-color: black;

  354.           }

  355.         """)

  356. 

  357.         # ----------------------------------------------------------------------------------------------------

  358.         # Set up GUI (patchbay)

  359. 

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

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

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

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

  364. 

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

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

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

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

  369. 

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

  371.         self.ui.keyboard   = self.ui.scrollArea.keyboard

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

  373. 

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

  375. 

  376.         self.ui.miniCanvasPreview.setRealParent(self)

  377.         self.ui.verticalLayout_7.setContentsMargins(0, 0, 0, 1)

  378. 

  379.         # ----------------------------------------------------------------------------------------------------

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

  381. 

  382.         if MACOS:

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

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

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

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

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

  388.             self.ui.menu_Help.menuAction().setVisible(False)

  389. 

  390.         # ----------------------------------------------------------------------------------------------------

  391.         # Load Settings

  392. 

  393.         self.loadSettings(True)

  394. 

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

  396.         # Set-up Canvas

  397. 

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

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

  400.         self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, bool(self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] == patchcanvas.ANTIALIASING_FULL))

  401. 

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

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

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

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

  406. 

  407.         self.setupCanvas()

  408. 

  409.         # ----------------------------------------------------------------------------------------------------

  410.         # Connect actions to functions

  411. 

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

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

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

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

  416. 

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

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

  419. 

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

  421.         self.ui.act_plugin_add2.triggered.connect(self.slot_pluginAdd)

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

  423. 

  424.         self.ui.act_add_jack.triggered.connect(self.slot_jackAppAdd)

  425. 

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

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

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

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

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

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

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

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

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

  435.         self.ui.act_plugins_panic.triggered.connect(self.slot_pluginsDisable)

  436. 

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

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

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

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

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

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

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

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

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

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

  447. 

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

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

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

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

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

  453. 

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

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

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

  457. 

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

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

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

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

  462. 

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

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

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

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

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

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

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

  470. 

  471.         self.ui.listWidget.customContextMenuRequested.connect(self.showPluginActionsMenu)

  472. 

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

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

  475. 

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

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

  478. 

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

  480. 

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

  482. 

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

  484.         self.scene.sceneGroupMoved.connect(self.slot_canvasItemMoved)

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

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

  487. 

  488.         self.SIGUSR1.connect(self.slot_handleSIGUSR1)

  489.         self.SIGTERM.connect(self.slot_handleSIGTERM)

  490. 

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

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

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

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

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

  496. 

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

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

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

  500. 

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

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

  503. 

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

  505. 

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

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

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

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

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

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

  512.         host.PatchbayPortRenamedCallback.connect(self.slot_handlePatchbayPortRenamedCallback)

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

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

  515. 

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

  517. 

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

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

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

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

  522. 

  523.         # ----------------------------------------------------------------------------------------------------

  524.         # Final setup

  525. 

  526.         self.ui.text_logs.clear()

  527.         self.setProperWindowTitle()

  528. 

  529.         # Disable non-supported features

  530.         features = gCarla.utils.get_supported_features()

  531. 

  532.         if "link" not in features:

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

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

  535. 

  536.         if "juce" not in features:

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

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

  539. 

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

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

  542.             self.startTimers()

  543. 

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

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

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

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

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

  549. 

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

  551.         if host.processModeForced and host.processMode == ENGINE_PROCESS_MODE_PATCHBAY and not host.isControl:

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

  553. 

  554.         # Load initial project file if set

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

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

  557. 

  558.             if projectFile:

  559.                 self.loadProjectLater(projectFile)

  560. 

  561.         # For NSM we wait for the open message

  562.         if NSM_URL and host.nsmOK:

  563.             host.nsm_ready(-1)

  564.             return

  565. 

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

  567. 

  568.     # --------------------------------------------------------------------------------------------------------

  569.     # Setup

  570. 

  571.     def compactPlugin(self, pluginId):

  572.         if pluginId > self.fPluginCount:

  573.             return

  574. 

  575.         pitem = self.fPluginList[pluginId]

  576. 

  577.         if pitem is None:

  578.             return

  579. 

  580.         pitem.recreateWidget(True)

  581. 

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

  583.         if pluginId > self.fPluginCount:

  584.             return

  585. 

  586.         pitem = self.fPluginList[pluginId]

  587. 

  588.         if pitem is None:

  589.             return

  590. 

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

  592.         pitem.recreateWidget(newColor = color)

  593. 

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

  595.         if pluginId > self.fPluginCount:

  596.             return

  597. 

  598.         pitem = self.fPluginList[pluginId]

  599. 

  600.         if pitem is None:

  601.             return

  602. 

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

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

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

  606.         else:

  607.             pitem.recreateWidget(newSkin = skin)

  608. 

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

  610.         if pluginIdA == pluginIdB:

  611.             return

  612.         if pluginIdA < 0 or pluginIdB < 0:

  613.             return

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

  615.             return

  616. 

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

  618. 

  619.         itemA = self.fPluginList[pluginIdA]

  620.         compactA = itemA.isCompacted()

  621.         guiShownA = itemA.isGuiShown()

  622. 

  623.         itemB = self.fPluginList[pluginIdB]

  624.         compactB = itemB.isCompacted()

  625.         guiShownB = itemB.isGuiShown()

  626. 

  627.         itemA.setPluginId(pluginIdA)

  628.         itemA.recreateWidget2(compactB, guiShownB)

  629. 

  630.         itemB.setPluginId(pluginIdB)

  631.         itemB.recreateWidget2(compactA, guiShownA)

  632. 

  633.         self.slot_canvasRefresh()

  634. 

  635.     def setLoadRDFsNeeded(self):

  636.         self.fLadspaRdfNeedsUpdate = True

  637. 

  638.     def setProperWindowTitle(self):

  639.         title = self.fClientName

  640. 

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

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

  643.         if self.fSessionManagerName:

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

  645. 

  646.         self.setWindowTitle(title)

  647. 

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

  649.     # Files

  650. 

  651.     def makeExtraFilename(self):

  652.         return self.fProjectFilename.rsplit(".",1)[0]+".json"

  653. 

  654.     def loadProjectNow(self):

  655.         if not self.fProjectFilename:

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

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

  658.             return

  659. 

  660.         self.projectLoadingStarted()

  661.         self.fIsProjectLoading = True

  662.         self.host.load_project(self.fProjectFilename)

  663. 

  664.         # Project finished loading is sent by engine

  665. 

  666.     def loadProjectLater(self, filename):

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

  668.         self.setProperWindowTitle()

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

  670. 

  671.     def saveProjectNow(self):

  672.         if not self.fProjectFilename:

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

  674. 

  675.         self.host.save_project(self.fProjectFilename)

  676. 

  677.         with open(self.makeExtraFilename(), 'w') as fh:

  678.             json.dump({

  679.                 'canvas': patchcanvas.saveGroupPositions(),

  680.             }, fh)

  681. 

  682.     def projectLoadingStarted(self):

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

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

  685. 

  686.     def projectLoadingFinished(self):

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

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

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

  690. 

  691.         extrafile = self.makeExtraFilename()

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

  693.             return

  694. 

  695.         try:

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

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

  698.         except:

  699.             return

  700. 

  701.         patchcanvas.restoreGroupPositions(canvasdata)

  702. 

  703.     # --------------------------------------------------------------------------------------------------------

  704.     # Files (menu actions)

  705. 

  706.     @pyqtSlot()

  707.     def slot_fileNew(self):

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

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

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

  711.             return

  712. 

  713.         self.pluginRemoveAll()

  714.         self.fProjectFilename = ""

  715.         self.setProperWindowTitle()

  716. 

  717.     @pyqtSlot()

  718.     def slot_fileOpen(self):

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

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

  721. 

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

  723.         if not filename:

  724.             return

  725. 

  726.         newFile = True

  727. 

  728.         if self.fPluginCount > 0:

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

  730.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  732. 

  733.         if newFile:

  734.             self.pluginRemoveAll()

  735.             self.fProjectFilename = filename

  736.             self.setProperWindowTitle()

  737.             self.loadProjectNow()

  738.         else:

  739.             filenameOld = self.fProjectFilename

  740.             self.fProjectFilename = filename

  741.             self.loadProjectNow()

  742.             self.fProjectFilename = filenameOld

  743. 

  744.     @pyqtSlot()

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

  746.         if self.fProjectFilename and not saveAs:

  747.             return self.saveProjectNow()

  748. 

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

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

  751. 

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

  753.         if not filename:

  754.             return

  755. 

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

  757.             filename += ".carxp"

  758. 

  759.         if self.fProjectFilename != filename:

  760.             self.fProjectFilename = filename

  761.             self.setProperWindowTitle()

  762. 

  763.         self.saveProjectNow()

  764. 

  765.     @pyqtSlot()

  766.     def slot_fileSaveAs(self):

  767.         self.slot_fileSave(True)

  768. 

  769.     @pyqtSlot()

  770.     def slot_loadProjectNow(self):

  771.         self.loadProjectNow()

  772. 

  773.     # --------------------------------------------------------------------------------------------------------

  774.     # Engine (menu actions)

  775. 

  776.     @pyqtSlot()

  777.     def slot_engineStart(self):

  778.         audioDriver = setEngineSettings(self.host)

  779.         firstInit   = self.fFirstEngineInit

  780. 

  781.         self.fFirstEngineInit = False

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

  783. 

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

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

  786.                 settings = QSettings()

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

  788.                 del settings

  789.                 self.host.transport_bpm(lastBpm)

  790.             return

  791. 

  792.         elif firstInit:

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

  794.             return

  795. 

  796.         audioError = self.host.get_last_error()

  797. 

  798.         if audioError:

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

  800.         else:

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

  802. 

  803.     @pyqtSlot()

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

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

  806. 

  807.         if self.fPluginCount == 0:

  808.             self.engineStopFinal()

  809.             return True

  810. 

  811.         if not forced:

  812.             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"

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

  814.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  815.             if ask != QMessageBox.Yes:

  816.                 return False

  817. 

  818.         return self.slot_engineStopTryAgain()

  819. 

  820.     @pyqtSlot()

  821.     def slot_engineStopTryAgain(self):

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

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

  824.             return False

  825. 

  826.         self.engineStopFinal()

  827.         return True

  828. 

  829.     def engineStopFinal(self):

  830.         self.killTimers()

  831.         self.removeAllPlugins()

  832. 

  833.         if self.host.is_engine_running():

  834.             self.host.remove_all_plugins()

  835. 

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

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

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

  839. 

  840.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  841.             self.close()

  842.         elif self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  843.             self.slot_engineStart()

  844.             self.loadProjectNow()

  845.             self.host.nsm_ready(2) # open

  846. 

  847.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  848. 

  849.     # --------------------------------------------------------------------------------------------------------

  850.     # Engine (host callbacks)

  851. 

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

  853.     def slot_handleEngineStartedCallback(self, processMode, transportMode, sampleRate, driverName):

  854.         self.fSampleRate = sampleRate

  855. 

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

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

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

  859. 

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

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

  862. 

  863.         if processMode == ENGINE_PROCESS_MODE_PATCHBAY and not (self.host.isControl or self.host.isPlugin):

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

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

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

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

  868.         else:

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

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

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

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

  873. 

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

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

  876. 

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

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

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

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

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

  882.             self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  883. 

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

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

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

  887. 

  888.         self.refreshTransport(True)

  889. 

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

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

  892. 

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

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

  895. 

  896.         self.startTimers()

  897. 

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

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

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

  901.         self.ui.text_logs.appendPlainText("  Sample rate:  %.1f" % sampleRate)

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

  903. 

  904.     @pyqtSlot()

  905.     def slot_handleEngineStoppedCallback(self):

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

  907. 

  908.         patchcanvas.clear()

  909.         self.killTimers()

  910. 

  911.         # just in case

  912.         self.removeAllPlugins()

  913. 

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

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

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

  917. 

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

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

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

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

  922. 

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

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

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

  926. 

  927.     @pyqtSlot(int, str)

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

  929.         self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  930. 

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

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

  933. 

  934.     @pyqtSlot(float)

  935.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  936.         self.fSampleRate = newSampleRate

  937.         self.refreshTransport(True)

  938. 

  939.     @pyqtSlot()

  940.     def slot_handleProjectLoadFinishedCallback(self):

  941.         self.fIsProjectLoading = False

  942.         self.projectLoadingFinished()

  943. 

  944.     # --------------------------------------------------------------------------------------------------------

  945.     # Plugins

  946. 

  947.     def removeAllPlugins(self):

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

  949.         patchcanvas.handleAllPluginsRemoved()

  950. 

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

  952.             pass

  953. 

  954.         self.clearSideStuff()

  955. 

  956.         for pitem in self.fPluginList:

  957.             if pitem is None:

  958.                 continue

  959. 

  960.             pitem.close()

  961.             del pitem

  962. 

  963.         self.fPluginCount = 0

  964.         self.fPluginList  = []

  965. 

  966.     # --------------------------------------------------------------------------------------------------------

  967.     # Plugins (menu actions)

  968. 

  969.     def showAddPluginDialog(self):

  970.         dialog = PluginDatabaseW(self.fParentOrSelf, self.host)

  971. 

  972.         if not dialog.exec_():

  973.             return

  974. 

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

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

  977.             return

  978. 

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

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

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

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

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

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

  985. 

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

  987. 

  988.     def showAddJackAppDialog(self):

  989.         dialog = JackApplicationW(self.fParentOrSelf, self.host)

  990. 

  991.         if not dialog.exec_():

  992.             return

  993. 

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

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

  996.             return

  997. 

  998.         return dialog.getCommandAndFlags()

  999. 

  1000.     @pyqtSlot()

  1001.     def showPluginActionsMenu(self):

  1002.         menu = QMenu(self)

  1003. 

  1004.         menu.addSection("Plugins")

  1005.         menu.addAction(self.ui.act_plugin_add)

  1006.         menu.addAction(self.ui.act_plugin_remove_all)

  1007. 

  1008.         menu.addSection("All plugins (macros)")

  1009.         menu.addAction(self.ui.act_plugins_enable)

  1010.         menu.addAction(self.ui.act_plugins_disable)

  1011.         menu.addSeparator()

  1012.         menu.addAction(self.ui.act_plugins_volume100)

  1013.         menu.addAction(self.ui.act_plugins_mute)

  1014.         menu.addSeparator()

  1015.         menu.addAction(self.ui.act_plugins_wet100)

  1016.         menu.addAction(self.ui.act_plugins_bypass)

  1017.         menu.addSeparator()

  1018.         menu.addAction(self.ui.act_plugins_center)

  1019.         menu.addSeparator()

  1020.         menu.addAction(self.ui.act_plugins_compact)

  1021.         menu.addAction(self.ui.act_plugins_expand)

  1022. 

  1023.         menu.exec_(QCursor.pos())

  1024. 

  1025.     @pyqtSlot()

  1026.     def slot_pluginAdd(self):

  1027.         data = self.showAddPluginDialog()

  1028. 

  1029.         if data is None:

  1030.             return

  1031. 

  1032.         btype, ptype, filename, label, uniqueId, extraPtr = data

  1033. 

  1034.         if not self.host.add_plugin(btype, ptype, filename, None, label, uniqueId, extraPtr, 0x0):

  1035.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"), self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1036. 

  1037.     @pyqtSlot()

  1038.     def slot_confirmRemoveAll(self):

  1039.         if self.fPluginCount == 0:

  1040.             return

  1041. 

  1042.         if QMessageBox.question(self, self.tr("Remove All"),

  1043.                                       self.tr("Are you sure you want to remove all plugins?"),

  1044.                                       QMessageBox.Yes|QMessageBox.No) == QMessageBox.No:

  1045.             return

  1046. 

  1047.         self.pluginRemoveAll()

  1048. 

  1049.     def pluginRemoveAll(self):

  1050.         if self.fPluginCount == 0:

  1051.             return

  1052. 

  1053.         # FIXME - this is not working

  1054.         # removing a plugin causes flicker, the rack-list becomes empty for some time

  1055.         # this breaks the remove-all animation, so don't bother using it

  1056.         if False and not self.host.isPlugin:

  1057.             self.projectLoadingStarted()

  1058. 

  1059.             app = QApplication.instance()

  1060.             app.processEvents()

  1061. 

  1062.             for i in reversed(range(self.fPluginCount)):

  1063.                 self.host.remove_plugin(i)

  1064.                 app.processEvents()

  1065. 

  1066.             self.projectLoadingFinished()

  1067. 

  1068.         self.fCurrentlyRemovingAllPlugins = True

  1069.         ok = self.host.remove_all_plugins()

  1070.         self.fCurrentlyRemovingAllPlugins = False

  1071. 

  1072.         if ok:

  1073.             self.removeAllPlugins()

  1074.         else:

  1075.             CustomMessageBox(self, QMessageBox.Warning, self.tr("Error"), self.tr("Operation failed"),

  1076.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1077. 

  1078.         self.fCurrentlyRemovingAllPlugins = False

  1079. 

  1080.     @pyqtSlot()

  1081.     def slot_jackAppAdd(self):

  1082.         data = self.showAddJackAppDialog()

  1083. 

  1084.         if data is None:

  1085.             return

  1086. 

  1087.         filename, name, label = data

  1088. 

  1089.         if not filename:

  1090.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Cannot add jack application"),

  1091.                                    self.tr("command is empty"), QMessageBox.Ok, QMessageBox.Ok)

  1092.             return

  1093. 

  1094.         if not self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, filename, name, label, 0, None, 0x0):

  1095.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1096.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1097. 

  1098.     # --------------------------------------------------------------------------------------------------------

  1099.     # Plugins (macros)

  1100. 

  1101.     @pyqtSlot()

  1102.     def slot_pluginsEnable(self):

  1103.         if not self.host.is_engine_running():

  1104.             return

  1105. 

  1106.         for pitem in self.fPluginList:

  1107.             if pitem is None:

  1108.                 break

  1109. 

  1110.             pitem.getWidget().setActive(True, True, True)

  1111. 

  1112.     @pyqtSlot()

  1113.     def slot_pluginsDisable(self):

  1114.         if not self.host.is_engine_running():

  1115.             return

  1116. 

  1117.         for pitem in self.fPluginList:

  1118.             if pitem is None:

  1119.                 break

  1120. 

  1121.             pitem.getWidget().setActive(False, True, True)

  1122. 

  1123.     @pyqtSlot()

  1124.     def slot_pluginsVolume100(self):

  1125.         if not self.host.is_engine_running():

  1126.             return

  1127. 

  1128.         for pitem in self.fPluginList:

  1129.             if pitem is None:

  1130.                 break

  1131. 

  1132.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 1.0)

  1133. 

  1134.     @pyqtSlot()

  1135.     def slot_pluginsMute(self):

  1136.         if not self.host.is_engine_running():

  1137.             return

  1138. 

  1139.         for pitem in self.fPluginList:

  1140.             if pitem is None:

  1141.                 break

  1142. 

  1143.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 0.0)

  1144. 

  1145.     @pyqtSlot()

  1146.     def slot_pluginsWet100(self):

  1147.         if not self.host.is_engine_running():

  1148.             return

  1149. 

  1150.         for pitem in self.fPluginList:

  1151.             if pitem is None:

  1152.                 break

  1153. 

  1154.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 1.0)

  1155. 

  1156.     @pyqtSlot()

  1157.     def slot_pluginsBypass(self):

  1158.         if not self.host.is_engine_running():

  1159.             return

  1160. 

  1161.         for pitem in self.fPluginList:

  1162.             if pitem is None:

  1163.                 break

  1164. 

  1165.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 0.0)

  1166. 

  1167.     @pyqtSlot()

  1168.     def slot_pluginsCenter(self):

  1169.         if not self.host.is_engine_running():

  1170.             return

  1171. 

  1172.         for pitem in self.fPluginList:

  1173.             if pitem is None:

  1174.                 break

  1175. 

  1176.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1177.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1178.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1179. 

  1180.     @pyqtSlot()

  1181.     def slot_pluginsCompact(self):

  1182.         for pitem in self.fPluginList:

  1183.             if pitem is None:

  1184.                 break

  1185.             pitem.compact()

  1186. 

  1187.     @pyqtSlot()

  1188.     def slot_pluginsExpand(self):

  1189.         for pitem in self.fPluginList:

  1190.             if pitem is None:

  1191.                 break

  1192.             pitem.expand()

  1193. 

  1194.     # --------------------------------------------------------------------------------------------------------

  1195.     # Plugins (host callbacks)

  1196. 

  1197.     @pyqtSlot(int, str)

  1198.     def slot_handlePluginAddedCallback(self, pluginId, pluginName):

  1199.         pitem = self.ui.listWidget.createItem(pluginId)

  1200. 

  1201.         self.fPluginList.append(pitem)

  1202.         self.fPluginCount += 1

  1203. 

  1204.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1205. 

  1206.     @pyqtSlot(int)

  1207.     def slot_handlePluginRemovedCallback(self, pluginId):

  1208.         patchcanvas.handlePluginRemoved(pluginId)

  1209. 

  1210.         if pluginId in self.fSelectedPlugins:

  1211.             self.clearSideStuff()

  1212. 

  1213.         pitem = self.getPluginItem(pluginId)

  1214. 

  1215.         self.fPluginCount -= 1

  1216.         self.fPluginList.pop(pluginId)

  1217.         self.ui.listWidget.takeItem(pluginId)

  1218. 

  1219.         if pitem is not None:

  1220.             pitem.close()

  1221.             del pitem

  1222. 

  1223.         # push all plugins 1 slot back

  1224.         for i in range(pluginId, self.fPluginCount):

  1225.             pitem = self.fPluginList[i]

  1226.             pitem.setPluginId(i)

  1227. 

  1228.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1229. 

  1230.     # --------------------------------------------------------------------------------------------------------

  1231.     # Canvas

  1232. 

  1233.     def clearSideStuff(self):

  1234.         self.scene.clearSelection()

  1235. 

  1236.         self.fSelectedPlugins = []

  1237. 

  1238.         self.ui.keyboard.allNotesOff(False)

  1239.         self.ui.scrollArea.setEnabled(False)

  1240. 

  1241.         self.fPeaksCleared = True

  1242.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1243.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1244.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1245.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1246. 

  1247.     def setupCanvas(self):

  1248.         pOptions = patchcanvas.options_t()

  1249.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1250.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1251.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1252.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1253.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1254. 

  1255.         if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY]:

  1256.             pOptions.eyecandy      = patchcanvas.EYECANDY_FULL

  1257.         elif self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]:

  1258.             pOptions.eyecandy      = patchcanvas.EYECANDY_SMALL

  1259.         else:

  1260.             pOptions.eyecandy      = patchcanvas.EYECANDY_NONE

  1261. 

  1262.         pFeatures = patchcanvas.features_t()

  1263.         pFeatures.group_info   = False

  1264.         pFeatures.group_rename = False

  1265.         pFeatures.port_info    = False

  1266.         pFeatures.port_rename  = False

  1267.         pFeatures.handle_group_pos = True

  1268. 

  1269.         patchcanvas.setOptions(pOptions)

  1270.         patchcanvas.setFeatures(pFeatures)

  1271.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1272. 

  1273.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1274. 

  1275.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1276.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1277.             self.fCanvasHeight = int(tryCanvasSize[1])

  1278.         else:

  1279.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1280.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1281. 

  1282.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1283.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1284.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1285. 

  1286.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1287.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1288. 

  1289.     def updateCanvasInitialPos(self):

  1290.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1291.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1292.         patchcanvas.setInitialPos(x, y)

  1293. 

  1294.     def updateMiniCanvasLater(self):

  1295.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1296. 

  1297.     # --------------------------------------------------------------------------------------------------------

  1298.     # Canvas (menu actions)

  1299. 

  1300.     @pyqtSlot()

  1301.     def slot_canvasShowInternal(self):

  1302.         self.fExternalPatchbay = False

  1303.         self.ui.act_canvas_show_internal.blockSignals(True)

  1304.         self.ui.act_canvas_show_external.blockSignals(True)

  1305.         self.ui.act_canvas_show_internal.setChecked(True)

  1306.         self.ui.act_canvas_show_external.setChecked(False)

  1307.         self.ui.act_canvas_show_internal.blockSignals(False)

  1308.         self.ui.act_canvas_show_external.blockSignals(False)

  1309.         self.slot_canvasRefresh()

  1310. 

  1311.     @pyqtSlot()

  1312.     def slot_canvasShowExternal(self):

  1313.         self.fExternalPatchbay = True

  1314.         self.ui.act_canvas_show_internal.blockSignals(True)

  1315.         self.ui.act_canvas_show_external.blockSignals(True)

  1316.         self.ui.act_canvas_show_internal.setChecked(False)

  1317.         self.ui.act_canvas_show_external.setChecked(True)

  1318.         self.ui.act_canvas_show_internal.blockSignals(False)

  1319.         self.ui.act_canvas_show_external.blockSignals(False)

  1320.         self.slot_canvasRefresh()

  1321. 

  1322.     @pyqtSlot()

  1323.     def slot_canvasArrange(self):

  1324.         patchcanvas.arrange()

  1325. 

  1326.     @pyqtSlot()

  1327.     def slot_canvasRefresh(self):

  1328.         patchcanvas.clear()

  1329. 

  1330.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and (self.host.isControl or self.host.isPlugin):

  1331.             return

  1332. 

  1333.         if self.host.is_engine_running():

  1334.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1335. 

  1336.         self.updateMiniCanvasLater()

  1337. 

  1338.     @pyqtSlot()

  1339.     def slot_canvasZoomFit(self):

  1340.         self.scene.zoom_fit()

  1341. 

  1342.     @pyqtSlot()

  1343.     def slot_canvasZoomIn(self):

  1344.         self.scene.zoom_in()

  1345. 

  1346.     @pyqtSlot()

  1347.     def slot_canvasZoomOut(self):

  1348.         self.scene.zoom_out()

  1349. 

  1350.     @pyqtSlot()

  1351.     def slot_canvasZoomReset(self):

  1352.         self.scene.zoom_reset()

  1353. 

  1354.     @pyqtSlot()

  1355.     def slot_canvasSaveImage(self):

  1356.         newPath, ok = QFileDialog.getSaveFileName(self, self.tr("Save Image"), filter=self.tr("PNG Image (*.png);;JPEG Image (*.jpg)"))

  1357. 

  1358.         # FIXME use ok value, test if it works as expected

  1359.         if not newPath:

  1360.             return

  1361. 

  1362.         self.scene.clearSelection()

  1363. 

  1364.         if newPath.lower().endswith((".jpg", ".jpeg")):

  1365.             imgFormat = "JPG"

  1366.         elif newPath.lower().endswith((".png",)):

  1367.             imgFormat = "PNG"

  1368.         else:

  1369.             # File-dialog may not auto-add the extension

  1370.             imgFormat = "PNG"

  1371.             newPath  += ".png"

  1372. 

  1373.         self.fExportImage = QImage(self.scene.sceneRect().width(), self.scene.sceneRect().height(), QImage.Format_RGB32)

  1374.         painter = QPainter(self.fExportImage)

  1375.         painter.save()

  1376.         painter.setRenderHint(QPainter.Antialiasing) # TODO - set true, cleanup this

  1377.         painter.setRenderHint(QPainter.TextAntialiasing)

  1378.         self.scene.render(painter)

  1379.         self.fExportImage.save(newPath, imgFormat, 100)

  1380.         painter.restore()

  1381. 

  1382.     # --------------------------------------------------------------------------------------------------------

  1383.     # Canvas (canvas callbacks)

  1384. 

  1385.     @pyqtSlot(int, int, QPointF)

  1386.     def slot_canvasItemMoved(self, group_id, split_mode, pos):

  1387.         self.updateMiniCanvasLater()

  1388. 

  1389.     @pyqtSlot()

  1390.     def slot_canvasSelectionChanged(self):

  1391.         self.updateMiniCanvasLater()

  1392. 

  1393.     @pyqtSlot(float)

  1394.     def slot_canvasScaleChanged(self, scale):

  1395.         self.ui.miniCanvasPreview.setViewScale(scale)

  1396. 

  1397.     @pyqtSlot(list)

  1398.     def slot_canvasPluginSelected(self, pluginList):

  1399.         self.ui.keyboard.allNotesOff(False)

  1400.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1401.         self.fSelectedPlugins = pluginList

  1402. 

  1403.     # --------------------------------------------------------------------------------------------------------

  1404.     # Canvas (host callbacks)

  1405. 

  1406.     @pyqtSlot(int, int, int, str)

  1407.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1408.         pcSplit = patchcanvas.SPLIT_UNDEF

  1409.         pcIcon  = patchcanvas.ICON_APPLICATION

  1410. 

  1411.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1412.             pcIcon = patchcanvas.ICON_PLUGIN

  1413.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1414.             pcIcon = patchcanvas.ICON_HARDWARE

  1415.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1416.             pass

  1417.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1418.             pcIcon = patchcanvas.ICON_DISTRHO

  1419.         elif clientIcon == PATCHBAY_ICON_FILE:

  1420.             pcIcon = patchcanvas.ICON_FILE

  1421. 

  1422.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1423. 

  1424.         self.updateMiniCanvasLater()

  1425. 

  1426.         if pluginId < 0:

  1427.             return

  1428.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1429.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1430.             return

  1431. 

  1432.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1433.             hasCustomUI = False

  1434.         else:

  1435.             hasCustomUI = bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI)

  1436. 

  1437.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI)

  1438. 

  1439.     @pyqtSlot(int)

  1440.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1441.         patchcanvas.removeGroup(clientId)

  1442.         self.updateMiniCanvasLater()

  1443. 

  1444.     @pyqtSlot(int, str)

  1445.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1446.         patchcanvas.renameGroup(clientId, newClientName)

  1447.         self.updateMiniCanvasLater()

  1448. 

  1449.     @pyqtSlot(int, int, int)

  1450.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1451.         pcIcon = patchcanvas.ICON_APPLICATION

  1452. 

  1453.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1454.             pcIcon = patchcanvas.ICON_PLUGIN

  1455.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1456.             pcIcon = patchcanvas.ICON_HARDWARE

  1457.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1458.             pass

  1459.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1460.             pcIcon = patchcanvas.ICON_DISTRHO

  1461.         elif clientIcon == PATCHBAY_ICON_FILE:

  1462.             pcIcon = patchcanvas.ICON_FILE

  1463. 

  1464.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1465.         self.updateMiniCanvasLater()

  1466. 

  1467.         if pluginId < 0:

  1468.             return

  1469.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1470.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1471.             return

  1472. 

  1473.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1474.             hasCustomUI = False

  1475.         else:

  1476.             hasCustomUI = bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI)

  1477. 

  1478.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI)

  1479. 

  1480.     @pyqtSlot(int, int, int, str)

  1481.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portName):

  1482.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1483.             portMode = patchcanvas.PORT_MODE_INPUT

  1484.         else:

  1485.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1486. 

  1487.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1488.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1489.             isAlternate = False

  1490.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1491.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1492.             isAlternate = True

  1493.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1494.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1495.             isAlternate = False

  1496.         else:

  1497.             portType    = patchcanvas.PORT_TYPE_NULL

  1498.             isAlternate = False

  1499. 

  1500.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1501.         self.updateMiniCanvasLater()

  1502. 

  1503.     @pyqtSlot(int, int)

  1504.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  1505.         patchcanvas.removePort(groupId, portId)

  1506.         self.updateMiniCanvasLater()

  1507. 

  1508.     @pyqtSlot(int, int, str)

  1509.     def slot_handlePatchbayPortRenamedCallback(self, groupId, portId, newPortName):

  1510.         patchcanvas.renamePort(groupId, portId, newPortName)

  1511.         self.updateMiniCanvasLater()

  1512. 

  1513.     @pyqtSlot(int, int, int, int, int)

  1514.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1515.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1516.         self.updateMiniCanvasLater()

  1517. 

  1518.     @pyqtSlot(int, int, int)

  1519.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1520.         patchcanvas.disconnectPorts(connectionId)

  1521.         self.updateMiniCanvasLater()

  1522. 

  1523.     # --------------------------------------------------------------------------------------------------------

  1524.     # Settings

  1525. 

  1526.     def saveSettings(self):

  1527.         settings = QSettings()

  1528. 

  1529.         settings.setValue("Geometry", self.saveGeometry())

  1530.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  1531.         settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  1532. 

  1533.         diskFolders = []

  1534. 

  1535.         for i in range(self.ui.cb_disk.count()):

  1536.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1537. 

  1538.         settings.setValue("DiskFolders", diskFolders)

  1539.         settings.setValue("LastBPM", self.fLastTransportBPM)

  1540. 

  1541.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1542.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1543.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1544.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1545. 

  1546.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_MODE,  self.host.transportMode)

  1547.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, self.host.transportExtra)

  1548. 

  1549.     def loadSettings(self, firstTime):

  1550.         settings = QSettings()

  1551. 

  1552.         if firstTime:

  1553.             self.restoreGeometry(settings.value("Geometry", b""))

  1554. 

  1555.             showToolbar = settings.value("ShowToolbar", True, type=bool)

  1556.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1557.             self.ui.toolBar.setEnabled(showToolbar)

  1558.             self.ui.toolBar.setVisible(showToolbar)

  1559. 

  1560.             #if settings.contains("SplitterState"):

  1561.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  1562.             #else:

  1563.                 #self.ui.splitter.setSizes([210, 99999])

  1564. 

  1565.             showSidePanel = settings.value("ShowSidePanel", True, type=bool)

  1566.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  1567.             self.slot_showSidePanel(showSidePanel)

  1568. 

  1569.             diskFolders = toList(settings.value("DiskFolders", [HOME]))

  1570. 

  1571.             self.ui.cb_disk.setItemData(0, HOME)

  1572. 

  1573.             for i in range(len(diskFolders)):

  1574.                 if i == 0: continue

  1575.                 folder = diskFolders[i]

  1576.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1577. 

  1578.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, type=bool):

  1579.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1580. 

  1581.             showMeters = settings.value("ShowMeters", True, type=bool)

  1582.             self.ui.act_settings_show_meters.setChecked(showMeters)

  1583.             self.ui.peak_in.setVisible(showMeters)

  1584.             self.ui.peak_out.setVisible(showMeters)

  1585. 

  1586.             showKeyboard = settings.value("ShowKeyboard", True, type=bool)

  1587.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  1588.             self.ui.scrollArea.setVisible(showKeyboard)

  1589. 

  1590.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  1591. 

  1592.         # TODO - complete this

  1593. 

  1594.         self.fSavedSettings = {

  1595.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      type=str),

  1596.             CARLA_KEY_MAIN_CONFIRM_EXIT:        settings.value(CARLA_KEY_MAIN_CONFIRM_EXIT,        CARLA_DEFAULT_MAIN_CONFIRM_EXIT,        type=bool),

  1597.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    type=int),

  1598.             CARLA_KEY_MAIN_EXPERIMENTAL:        settings.value(CARLA_KEY_MAIN_EXPERIMENTAL,        CARLA_DEFAULT_MAIN_EXPERIMENTAL,        type=bool),

  1599.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             type=str),

  1600.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              type=str),

  1601.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  type=bool),

  1602.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, type=bool),

  1603.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  type=bool),

  1604.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         type=bool),

  1605.             CARLA_KEY_CANVAS_FANCY_EYE_CANDY:   settings.value(CARLA_KEY_CANVAS_FANCY_EYE_CANDY,   CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY,   type=bool),

  1606.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        type=bool),

  1607.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      type=int),

  1608.             CARLA_KEY_CANVAS_HQ_ANTIALIASING:   settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   type=bool),

  1609.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   type=bool) and

  1610.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", type=str).lower() == "black"),

  1611.         }

  1612. 

  1613.         settings = QSettings("falkTX", "Carla2")

  1614. 

  1615.         if self.host.experimental and not self.host.isControl:

  1616.             self.ui.act_add_jack.setVisible(settings.value(CARLA_KEY_EXPERIMENTAL_JACK_APPS,

  1617.                                                            CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS, type=bool))

  1618.         else:

  1619.             self.ui.act_add_jack.setVisible(False)

  1620. 

  1621.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY] else 0

  1622. 

  1623.         setEngineSettings(self.host)

  1624.         self.restartTimersIfNeeded()

  1625. 

  1626.     # --------------------------------------------------------------------------------------------------------

  1627.     # Settings (helpers)

  1628. 

  1629.     def enableTransport(self, enabled):

  1630.         self.ui.group_transport_controls.setEnabled(enabled)

  1631.         self.ui.group_transport_settings.setEnabled(enabled)

  1632. 

  1633.     @pyqtSlot()

  1634.     def slot_restoreCanvasScrollbarValues(self):

  1635.         settings = QSettings()

  1636.         self.ui.graphicsView.horizontalScrollBar().setValue(settings.value("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().maximum()/2, type=int))

  1637.         self.ui.graphicsView.verticalScrollBar().setValue(settings.value("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().maximum()/2, type=int))

  1638. 

  1639.     # --------------------------------------------------------------------------------------------------------

  1640.     # Settings (menu actions)

  1641. 

  1642.     @pyqtSlot(bool)

  1643.     def slot_showSidePanel(self, yesNo):

  1644.         self.ui.dockWidget.setEnabled(yesNo)

  1645.         self.ui.dockWidget.setVisible(yesNo)

  1646. 

  1647.     @pyqtSlot(bool)

  1648.     def slot_showToolbar(self, yesNo):

  1649.         self.ui.toolBar.setEnabled(yesNo)

  1650.         self.ui.toolBar.setVisible(yesNo)

  1651. 

  1652.     @pyqtSlot(bool)

  1653.     def slot_showCanvasMeters(self, yesNo):

  1654.         self.ui.peak_in.setVisible(yesNo)

  1655.         self.ui.peak_out.setVisible(yesNo)

  1656.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1657. 

  1658.     @pyqtSlot(bool)

  1659.     def slot_showCanvasKeyboard(self, yesNo):

  1660.         self.ui.scrollArea.setVisible(yesNo)

  1661.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1662. 

  1663.     @pyqtSlot()

  1664.     def slot_configureCarla(self):

  1665.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  1666.         if not dialog.exec_():

  1667.             return

  1668. 

  1669.         self.loadSettings(False)

  1670. 

  1671.         patchcanvas.clear()

  1672. 

  1673.         self.setupCanvas()

  1674.         self.slot_miniCanvasCheckAll()

  1675. 

  1676.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1677.             pass

  1678.         elif self.host.is_engine_running():

  1679.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1680. 

  1681.     # --------------------------------------------------------------------------------------------------------

  1682.     # About (menu actions)

  1683. 

  1684.     @pyqtSlot()

  1685.     def slot_aboutCarla(self):

  1686.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  1687. 

  1688.     @pyqtSlot()

  1689.     def slot_aboutJuce(self):

  1690.         JuceAboutW(self.fParentOrSelf).exec_()

  1691. 

  1692.     @pyqtSlot()

  1693.     def slot_aboutQt(self):

  1694.         QApplication.instance().aboutQt()

  1695. 

  1696.     # --------------------------------------------------------------------------------------------------------

  1697.     # Disk (menu actions)

  1698. 

  1699.     @pyqtSlot(int)

  1700.     def slot_diskFolderChanged(self, index):

  1701.         if index < 0:

  1702.             return

  1703.         elif index == 0:

  1704.             filename = HOME

  1705.             self.ui.b_disk_remove.setEnabled(False)

  1706.         else:

  1707.             filename = self.ui.cb_disk.itemData(index)

  1708.             self.ui.b_disk_remove.setEnabled(True)

  1709. 

  1710.         self.fDirModel.setRootPath(filename)

  1711.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  1712. 

  1713.     @pyqtSlot()

  1714.     def slot_diskFolderAdd(self):

  1715.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  1716. 

  1717.         if newPath:

  1718.             if newPath[-1] == os.sep:

  1719.                 newPath = newPath[:-1]

  1720.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  1721.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  1722.             self.ui.b_disk_remove.setEnabled(True)

  1723. 

  1724.     @pyqtSlot()

  1725.     def slot_diskFolderRemove(self):

  1726.         index = self.ui.cb_disk.currentIndex()

  1727. 

  1728.         if index <= 0:

  1729.             return

  1730. 

  1731.         self.ui.cb_disk.removeItem(index)

  1732. 

  1733.         if self.ui.cb_disk.currentIndex() == 0:

  1734.             self.ui.b_disk_remove.setEnabled(False)

  1735. 

  1736.     @pyqtSlot(QModelIndex)

  1737.     def slot_fileTreeDoubleClicked(self, modelIndex):

  1738.         filename = self.fDirModel.filePath(modelIndex)

  1739. 

  1740.         if not self.ui.listWidget.isDragUrlValid(filename):

  1741.             return

  1742. 

  1743.         if not self.host.load_file(filename):

  1744.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  1745.                              self.tr("Failed to load file"),

  1746.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1747. 

  1748.     # --------------------------------------------------------------------------------------------------------

  1749.     # Transport

  1750. 

  1751.     def refreshTransport(self, forced = False):

  1752.         if not self.isVisible():

  1753.             return

  1754.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  1755.             return

  1756. 

  1757.         timeInfo = self.host.get_transport_info()

  1758.         playing  = timeInfo['playing']

  1759.         frame    = timeInfo['frame']

  1760.         bpm      = timeInfo['bpm']

  1761. 

  1762.         if playing != self.fLastTransportState or forced:

  1763.             if playing:

  1764.                 icon = getIcon("media-playback-pause")

  1765.                 self.ui.b_transport_play.setChecked(True)

  1766.                 self.ui.b_transport_play.setIcon(icon)

  1767.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  1768.             else:

  1769.                 icon = getIcon("media-playback-start")

  1770.                 self.ui.b_transport_play.setChecked(False)

  1771.                 self.ui.b_transport_play.setIcon(icon)

  1772.                 #self.ui.b_play.setText(self.tr("&Play"))

  1773. 

  1774.             self.fLastTransportState = playing

  1775. 

  1776.         if frame != self.fLastTransportFrame or forced:

  1777.             self.fLastTransportFrame = frame

  1778. 

  1779.             time = frame / self.fSampleRate

  1780.             secs =  time % 60

  1781.             mins = (time / 60) % 60

  1782.             hrs  = (time / 3600) % 60

  1783.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  1784. 

  1785.             frame1 =  frame % 1000

  1786.             frame2 = (frame / 1000) % 1000

  1787.             frame3 = (frame / 1000000) % 1000

  1788.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  1789. 

  1790.             bar  = timeInfo['bar']

  1791.             beat = timeInfo['beat']

  1792.             tick = timeInfo['tick']

  1793.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  1794. 

  1795.         if bpm != self.fLastTransportBPM or forced:

  1796.             self.fLastTransportBPM = bpm

  1797. 

  1798.             if bpm > 0.0:

  1799.                 self.ui.dsb_transport_bpm.blockSignals(True)

  1800.                 self.ui.dsb_transport_bpm.setValue(bpm)

  1801.                 self.ui.dsb_transport_bpm.blockSignals(False)

  1802.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  1803.             else:

  1804.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  1805. 

  1806.     # --------------------------------------------------------------------------------------------------------

  1807.     # Transport (menu actions)

  1808. 

  1809.     @pyqtSlot(bool)

  1810.     def slot_transportPlayPause(self, toggled):

  1811.         if self.host.isPlugin or not self.host.is_engine_running():

  1812.             return

  1813. 

  1814.         if toggled:

  1815.             self.host.transport_play()

  1816.         else:

  1817.             self.host.transport_pause()

  1818. 

  1819.         self.refreshTransport()

  1820. 

  1821.     @pyqtSlot()

  1822.     def slot_transportStop(self):

  1823.         if self.host.isPlugin or not self.host.is_engine_running():

  1824.             return

  1825. 

  1826.         self.host.transport_pause()

  1827.         self.host.transport_relocate(0)

  1828. 

  1829.         self.refreshTransport()

  1830. 

  1831.     @pyqtSlot()

  1832.     def slot_transportBackwards(self):

  1833.         if self.host.isPlugin or not self.host.is_engine_running():

  1834.             return

  1835. 

  1836.         newFrame = self.host.get_current_transport_frame() - 100000

  1837. 

  1838.         if newFrame < 0:

  1839.             newFrame = 0

  1840. 

  1841.         self.host.transport_relocate(newFrame)

  1842. 

  1843.     @pyqtSlot(float)

  1844.     def slot_transportBpmChanged(self, newValue):

  1845.         self.host.transport_bpm(newValue)

  1846. 

  1847.     @pyqtSlot()

  1848.     def slot_transportForwards(self):

  1849.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  1850.             return

  1851. 

  1852.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  1853.         self.host.transport_relocate(newFrame)

  1854. 

  1855.     @pyqtSlot(bool)

  1856.     def slot_transportJackEnabled(self, clicked):

  1857.         if not self.host.is_engine_running():

  1858.             return

  1859.         self.host.transportMode = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  1860.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  1861.                                     self.host.transportMode,

  1862.                                     self.host.transportExtra)

  1863. 

  1864.     @pyqtSlot(bool)

  1865.     def slot_transportLinkEnabled(self, clicked):

  1866.         if not self.host.is_engine_running():

  1867.             return

  1868.         extra = ":link:" if clicked else ""

  1869.         self.host.transportExtra = extra

  1870.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  1871.                                     self.host.transportMode,

  1872.                                     self.host.transportExtra)

  1873. 

  1874.     # --------------------------------------------------------------------------------------------------------

  1875.     # Canvas scrollbars

  1876. 

  1877.     @pyqtSlot(int)

  1878.     def slot_horizontalScrollBarChanged(self, value):

  1879.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  1880.         if maximum == 0:

  1881.             xp = 0

  1882.         else:

  1883.             xp = float(value) / maximum

  1884.         self.ui.miniCanvasPreview.setViewPosX(xp)

  1885.         self.updateCanvasInitialPos()

  1886. 

  1887.     @pyqtSlot(int)

  1888.     def slot_verticalScrollBarChanged(self, value):

  1889.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  1890.         if maximum == 0:

  1891.             yp = 0

  1892.         else:

  1893.             yp = float(value) / maximum

  1894.         self.ui.miniCanvasPreview.setViewPosY(yp)

  1895.         self.updateCanvasInitialPos()

  1896. 

  1897.     # --------------------------------------------------------------------------------------------------------

  1898.     # Canvas keyboard

  1899. 

  1900.     @pyqtSlot(int)

  1901.     def slot_noteOn(self, note):

  1902.         for pluginId in self.fSelectedPlugins:

  1903.             self.host.send_midi_note(pluginId, 0, note, 100)

  1904. 

  1905.             pedit = self.getPluginEditDialog(pluginId)

  1906.             pedit.noteOn(0, note, 100)

  1907. 

  1908.     @pyqtSlot(int)

  1909.     def slot_noteOff(self, note):

  1910.         for pluginId in self.fSelectedPlugins:

  1911.             self.host.send_midi_note(pluginId, 0, note, 0)

  1912. 

  1913.             pedit = self.getPluginEditDialog(pluginId)

  1914.             pedit.noteOff(0, note)

  1915. 

  1916.     # --------------------------------------------------------------------------------------------------------

  1917.     # Canvas keyboard (host callbacks)

  1918. 

  1919.     @pyqtSlot(int, int, int, int)

  1920.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  1921.         if pluginId in self.fSelectedPlugins:

  1922.             self.ui.keyboard.sendNoteOn(note, False)

  1923. 

  1924.     @pyqtSlot(int, int, int)

  1925.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  1926.         if pluginId in self.fSelectedPlugins:

  1927.             self.ui.keyboard.sendNoteOff(note, False)

  1928. 

  1929.     # --------------------------------------------------------------------------------------------------------

  1930. 

  1931.     @pyqtSlot(int)

  1932.     def slot_handleUpdateCallback(self, pluginId):

  1933.         pitem = self.getPluginItem(pluginId)

  1934. 

  1935.         if pitem is None:

  1936.             return

  1937. 

  1938.         wasCompacted = pitem.isCompacted()

  1939.         isCompacted  = wasCompacted

  1940. 

  1941.         check = self.host.get_custom_data_value(pluginId, CUSTOM_DATA_TYPE_PROPERTY, "CarlaSkinIsCompacted")

  1942.         if not check:

  1943.             return

  1944.         isCompacted = bool(check == "true")

  1945. 

  1946.         if wasCompacted == isCompacted:

  1947.             return

  1948. 

  1949.         pitem.recreateWidget(True)

  1950. 

  1951.     # --------------------------------------------------------------------------------------------------------

  1952.     # MiniCanvas stuff

  1953. 

  1954.     @pyqtSlot()

  1955.     def slot_miniCanvasCheckAll(self):

  1956.         self.slot_miniCanvasCheckSize()

  1957.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  1958.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  1959. 

  1960.     @pyqtSlot()

  1961.     def slot_miniCanvasCheckSize(self):

  1962.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  1963.             return

  1964. 

  1965.         currentIndex = self.ui.tabWidget.currentIndex()

  1966. 

  1967.         if currentIndex == 1:

  1968.             width  = self.ui.graphicsView.width()

  1969.             height = self.ui.graphicsView.height()

  1970.         else:

  1971.             self.ui.tabWidget.blockSignals(True)

  1972.             self.ui.tabWidget.setCurrentIndex(1)

  1973.             width  = self.ui.graphicsView.width()

  1974.             height = self.ui.graphicsView.height()

  1975.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  1976.             self.ui.tabWidget.blockSignals(False)

  1977. 

  1978.         self.scene.updateLimits()

  1979. 

  1980.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  1981. 

  1982.     @pyqtSlot(float, float)

  1983.     def slot_miniCanvasMoved(self, xp, yp):

  1984.         hsb = self.ui.graphicsView.horizontalScrollBar()

  1985.         vsb = self.ui.graphicsView.verticalScrollBar()

  1986.         hsb.setValue(xp * hsb.maximum())

  1987.         vsb.setValue(yp * vsb.maximum())

  1988.         self.updateCanvasInitialPos()

  1989. 

  1990.     # --------------------------------------------------------------------------------------------------------

  1991.     # Timers

  1992. 

  1993.     def startTimers(self):

  1994.         if self.fIdleTimerFast == 0:

  1995.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  1996. 

  1997.         if self.fIdleTimerSlow == 0:

  1998.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  1999. 

  2000.     def restartTimersIfNeeded(self):

  2001.         if self.fIdleTimerFast != 0:

  2002.             self.killTimer(self.fIdleTimerFast)

  2003.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2004. 

  2005.         if self.fIdleTimerSlow != 0:

  2006.             self.killTimer(self.fIdleTimerSlow)

  2007.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2008. 

  2009.     def killTimers(self):

  2010.         if self.fIdleTimerFast != 0:

  2011.             self.killTimer(self.fIdleTimerFast)

  2012.             self.fIdleTimerFast = 0

  2013. 

  2014.         if self.fIdleTimerSlow != 0:

  2015.             self.killTimer(self.fIdleTimerSlow)

  2016.             self.fIdleTimerSlow = 0

  2017. 

  2018.     # --------------------------------------------------------------------------------------------------------

  2019.     # Misc

  2020. 

  2021.     @pyqtSlot(int)

  2022.     def slot_tabChanged(self, index):

  2023.         if index != 1:

  2024.             return

  2025. 

  2026.         self.ui.graphicsView.setFocus()

  2027. 

  2028.     @pyqtSlot(int)

  2029.     def slot_handleReloadAllCallback(self, pluginId):

  2030.         if pluginId >= self.fPluginCount:

  2031.             return

  2032. 

  2033.         pitem = self.fPluginList[pluginId]

  2034.         if pitem is None:

  2035.             return

  2036. 

  2037.         pitem.recreateWidget()

  2038. 

  2039.     # --------------------------------------------------------------------------------------------------------

  2040. 

  2041.     @pyqtSlot(int, int, str)

  2042.     def slot_handleNSMCallback(self, value1, value2, valueStr):

  2043.         # Error

  2044.         if value1 == 0:

  2045.             pass

  2046. 

  2047.         # Reply

  2048.         elif value1 == 1:

  2049.             self.fFirstEngineInit    = False

  2050.             self.fSessionManagerName = valueStr

  2051.             self.setProperWindowTitle()

  2052. 

  2053.         # Open

  2054.         elif value1 == 2:

  2055.             self.fClientName      = os.path.basename(valueStr)

  2056.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  2057.             self.setProperWindowTitle()

  2058. 

  2059.             self.fCustomStopAction = self.CUSTOM_ACTION_PROJECT_LOAD

  2060.             self.slot_engineStop(True)

  2061.             return

  2062. 

  2063.         # Save

  2064.         elif value1 == 3:

  2065.             self.saveProjectNow()

  2066. 

  2067.         # Session is Loaded

  2068.         elif value1 == 4:

  2069.             pass

  2070. 

  2071.         # Show Optional Gui

  2072.         elif value1 == 5:

  2073.             self.show()

  2074. 

  2075.         # Hide Optional Gui

  2076.         elif value1 == 6:

  2077.             self.hide()

  2078. 

  2079.         self.host.nsm_ready(value1)

  2080. 

  2081.     # --------------------------------------------------------------------------------------------------------

  2082. 

  2083.     def fixLogText(self, text):

  2084.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  2085. 

  2086.     @pyqtSlot(int, int, int, float, str)

  2087.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valueStr):

  2088.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  2089. 

  2090.     @pyqtSlot(str)

  2091.     def slot_handleInfoCallback(self, info):

  2092.         QMessageBox.information(self, "Information", info)

  2093. 

  2094.     @pyqtSlot(str)

  2095.     def slot_handleErrorCallback(self, error):

  2096.         QMessageBox.critical(self, "Error", error)

  2097. 

  2098.     @pyqtSlot()

  2099.     def slot_handleQuitCallback(self):

  2100.         pass # TODO

  2101. 

  2102.     # --------------------------------------------------------------------------------------------------------

  2103. 

  2104.     @pyqtSlot()

  2105.     def slot_handleSIGUSR1(self):

  2106.         print("Got SIGUSR1 -> Saving project now")

  2107.         self.slot_fileSave()

  2108. 

  2109.     @pyqtSlot()

  2110.     def slot_handleSIGTERM(self):

  2111.         print("Got SIGTERM -> Closing now")

  2112.         self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2113.         self.slot_engineStop(True)

  2114. 

  2115.     # --------------------------------------------------------------------------------------------------------

  2116.     # Internal stuff

  2117. 

  2118.     def getExtraPtr(self, plugin):

  2119.         ptype = plugin['type']

  2120. 

  2121.         if ptype == PLUGIN_LADSPA:

  2122.             uniqueId = plugin['uniqueId']

  2123. 

  2124.             self.maybeLoadRDFs()

  2125. 

  2126.             for rdfItem in self.fLadspaRdfList:

  2127.                 if rdfItem.UniqueID == uniqueId:

  2128.                     return pointer(rdfItem)

  2129. 

  2130.         elif ptype == PLUGIN_SF2:

  2131.             if plugin['name'].lower().endswith(" (16 outputs)"):

  2132.                 return self._true

  2133. 

  2134.         return None

  2135. 

  2136.     def maybeLoadRDFs(self):

  2137.         if not self.fLadspaRdfNeedsUpdate:

  2138.             return

  2139. 

  2140.         self.fLadspaRdfNeedsUpdate = False

  2141.         self.fLadspaRdfList = []

  2142. 

  2143.         if not haveLRDF:

  2144.             return

  2145. 

  2146.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  2147.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  2148. 

  2149.         if os.path.exists(frLadspaFile):

  2150.             frLadspa = open(frLadspaFile, 'r')

  2151. 

  2152.             try:

  2153.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  2154.             except:

  2155.                 pass

  2156. 

  2157.             frLadspa.close()

  2158. 

  2159.     # --------------------------------------------------------------------------------------------------------

  2160. 

  2161.     def getPluginCount(self):

  2162.         return self.fPluginCount

  2163. 

  2164.     def getPluginItem(self, pluginId):

  2165.         if pluginId >= self.fPluginCount:

  2166.             return None

  2167. 

  2168.         pitem = self.fPluginList[pluginId]

  2169.         if pitem is None:

  2170.             return None

  2171.         #if False:

  2172.             #return CarlaRackItem(self, 0, False)

  2173. 

  2174.         return pitem

  2175. 

  2176.     def getPluginEditDialog(self, pluginId):

  2177.         if pluginId >= self.fPluginCount:

  2178.             return None

  2179. 

  2180.         pitem = self.fPluginList[pluginId]

  2181.         if pitem is None:

  2182.             return None

  2183.         if False:

  2184.             return PluginEdit(self, self.host, 0)

  2185. 

  2186.         return pitem.getEditDialog()

  2187. 

  2188.     def getPluginSlotWidget(self, pluginId):

  2189.         if pluginId >= self.fPluginCount:

  2190.             return None

  2191. 

  2192.         pitem = self.fPluginList[pluginId]

  2193.         if pitem is None:

  2194.             return None

  2195.         #if False:

  2196.             #return AbstractPluginSlot()

  2197. 

  2198.         return pitem.getWidget()

  2199. 

  2200.     # --------------------------------------------------------------------------------------------------------

  2201. 

  2202.     def waitForPendingEvents(self):

  2203.         pass

  2204. 

  2205.     # --------------------------------------------------------------------------------------------------------

  2206.     # show/hide event

  2207. 

  2208.     def showEvent(self, event):

  2209.         self.refreshTransport(True)

  2210.         QMainWindow.showEvent(self, event)

  2211. 

  2212.         # set our gui as parent for all plugins UIs

  2213.         if self.host.manageUIs and not (self.host.isControl or self.host.isPlugin):

  2214.             if MACOS:

  2215.                 nsViewPtr = int(self.winId())

  2216.                 winIdStr  = "%x" % gCarla.utils.cocoa_get_window(nsViewPtr)

  2217.             else:

  2218.                 winIdStr = "%x" % int(self.winId())

  2219.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2220. 

  2221.     def hideEvent(self, event):

  2222.         # disable parent

  2223.         if not (self.host.isControl or self.host.isPlugin):

  2224.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2225. 

  2226.         QMainWindow.hideEvent(self, event)

  2227. 

  2228.     # --------------------------------------------------------------------------------------------------------

  2229.     # resize event

  2230. 

  2231.     def resizeEvent(self, event):

  2232.         QMainWindow.resizeEvent(self, event)

  2233.         self.slot_miniCanvasCheckSize()

  2234. 

  2235.     # --------------------------------------------------------------------------------------------------------

  2236.     # timer event

  2237. 

  2238.     def idleFast(self):

  2239.         self.host.engine_idle()

  2240.         self.refreshTransport()

  2241. 

  2242.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2243.             return

  2244. 

  2245.         for pitem in self.fPluginList:

  2246.             if pitem is None:

  2247.                 break

  2248. 

  2249.             pitem.getWidget().idleFast()

  2250. 

  2251.         for pluginId in self.fSelectedPlugins:

  2252.             self.fPeaksCleared = False

  2253.             if self.ui.peak_in.isVisible():

  2254.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2255.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2256.             if self.ui.peak_out.isVisible():

  2257.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2258.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2259.             return

  2260. 

  2261.         if self.fPeaksCleared:

  2262.             return

  2263. 

  2264.         self.fPeaksCleared = True

  2265.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2266.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2267.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2268.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2269. 

  2270.     def idleSlow(self):

  2271.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2272.             return

  2273. 

  2274.         for pitem in self.fPluginList:

  2275.             if pitem is None:

  2276.                 break

  2277. 

  2278.             pitem.getWidget().idleSlow()

  2279. 

  2280.     def timerEvent(self, event):

  2281.         if event.timerId() == self.fIdleTimerFast:

  2282.             self.idleFast()

  2283. 

  2284.         elif event.timerId() == self.fIdleTimerSlow:

  2285.             self.idleSlow()

  2286. 

  2287.         QMainWindow.timerEvent(self, event)

  2288. 

  2289.     # --------------------------------------------------------------------------------------------------------

  2290.     # color/style change event

  2291. 

  2292.     def changeEvent(self, event):

  2293.         if event.type() in (QEvent.PaletteChange, QEvent.StyleChange):

  2294.             self.updateStyle()

  2295.         QWidget.changeEvent(self, event)

  2296. 

  2297.     def updateStyle(self):

  2298.         # Rack padding images setup

  2299.         rack_imgL = QImage(":/bitmaps/rack_padding_left.png")

  2300.         rack_imgR = QImage(":/bitmaps/rack_padding_right.png")

  2301. 

  2302.         min_value = 0.07

  2303. 

  2304.         if PYQT_VERSION >= 0x50600:

  2305.             value_fix = 1.0/(1.0-rack_imgL.scaled(1, 1, Qt.IgnoreAspectRatio, Qt.SmoothTransformation).pixelColor(0,0).blackF())

  2306.         else:

  2307.             value_fix = 1.5

  2308. 

  2309.         bg_color = self.ui.rack.palette().window().color()

  2310.         bg_value = 1.0 - bg_color.blackF()

  2311.         if bg_value != 0.0 and bg_value < min_value:

  2312.             pad_color = bg_color.lighter(100*min_value/bg_value*value_fix)

  2313.         else:

  2314.             pad_color = QColor.fromHsvF(0.0, 0.0, min_value*value_fix)

  2315. 

  2316.         painter = QPainter()

  2317.         fillRect = rack_imgL.rect().adjusted(-1,-1,1,1)

  2318. 

  2319.         painter.begin(rack_imgL)

  2320.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2321.         painter.setBrush(pad_color)

  2322.         painter.drawRect(fillRect)

  2323.         painter.end()

  2324.         rack_pixmapL = QPixmap(rack_imgL)

  2325.         self.imgL_palette = QPalette()

  2326.         self.imgL_palette.setBrush(QPalette.Window, QBrush(rack_pixmapL))

  2327.         self.ui.pad_left.setPalette(self.imgL_palette)

  2328.         self.ui.pad_left.setAutoFillBackground(True)

  2329. 

  2330.         painter.begin(rack_imgR)

  2331.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2332.         painter.setBrush(pad_color)

  2333.         painter.drawRect(fillRect)

  2334.         painter.end()

  2335.         rack_pixmapR = QPixmap(rack_imgR)

  2336.         self.imgR_palette = QPalette()

  2337.         self.imgR_palette.setBrush(QPalette.Window, QBrush(rack_pixmapR))

  2338.         self.ui.pad_right.setPalette(self.imgR_palette)

  2339.         self.ui.pad_right.setAutoFillBackground(True)

  2340. 

  2341.     # --------------------------------------------------------------------------------------------------------

  2342.     # paint event

  2343. 

  2344.     #def paintEvent(self, event):

  2345.         #QMainWindow.paintEvent(self, event)

  2346. 

  2347.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2348.             #return

  2349. 

  2350.         #painter = QPainter(self)

  2351.         #painter.setBrush(QColor(36, 36, 36))

  2352.         #painter.setPen(QColor(62, 62, 62))

  2353.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2354. 

  2355.     # --------------------------------------------------------------------------------------------------------

  2356.     # close event

  2357. 

  2358.     def shouldIgnoreClose(self):

  2359.         if self.host.isControl or self.host.isPlugin:

  2360.             return False

  2361.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  2362.             return False

  2363.         if self.fSavedSettings[CARLA_KEY_MAIN_CONFIRM_EXIT]:

  2364.             return QMessageBox.question(self, self.tr("Quit"),

  2365.                                               self.tr("Are you sure you want to quit Carla?"),

  2366.                                               QMessageBox.Yes|QMessageBox.No) == QMessageBox.No

  2367.         return False

  2368. 

  2369.     def closeEvent(self, event):

  2370.         if self.shouldIgnoreClose():

  2371.             event.ignore()

  2372.             return

  2373. 

  2374.         if MACOS and self.fMacClosingHelper and not (self.host.isControl or self.host.isPlugin):

  2375.             self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2376.             self.fMacClosingHelper = False

  2377.             event.ignore()

  2378. 

  2379.             for i in reversed(range(self.fPluginCount)):

  2380.                 self.host.show_custom_ui(i, False)

  2381. 

  2382.             QTimer.singleShot(100, self.close)

  2383.             return

  2384. 

  2385.         self.killTimers()

  2386.         self.saveSettings()

  2387. 

  2388.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  2389.             if not self.slot_engineStop(True):

  2390.                 self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2391.                 event.ignore()

  2392.                 return

  2393. 

  2394.         QMainWindow.closeEvent(self, event)

  2395. 

  2396. # ------------------------------------------------------------------------------------------------

  2397. # Canvas callback

  2398. 

  2399. def canvasCallback(action, value1, value2, valueStr):

  2400.     host = gCarla.gui.host

  2401. 

  2402.     if action == patchcanvas.ACTION_GROUP_INFO:

  2403.         pass

  2404. 

  2405.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  2406.         pass

  2407. 

  2408.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  2409.         groupId = value1

  2410.         patchcanvas.splitGroup(groupId)

  2411.         gCarla.gui.updateMiniCanvasLater()

  2412. 

  2413.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  2414.         groupId = value1

  2415.         patchcanvas.joinGroup(groupId)

  2416.         gCarla.gui.updateMiniCanvasLater()

  2417. 

  2418.     elif action == patchcanvas.ACTION_PORT_INFO:

  2419.         pass

  2420. 

  2421.     elif action == patchcanvas.ACTION_PORT_RENAME:

  2422.         pass

  2423. 

  2424.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  2425.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")]

  2426. 

  2427.         if not host.patchbay_connect(gOut, pOut, gIn, pIn):

  2428.             print("Connection failed:", host.get_last_error())

  2429. 

  2430.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  2431.         connectionId = value1

  2432. 

  2433.         if not host.patchbay_disconnect(connectionId):

  2434.             print("Disconnect failed:", host.get_last_error())

  2435. 

  2436.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  2437.         pluginId = value1

  2438. 

  2439.         if not host.clone_plugin(pluginId):

  2440.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2441.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2442. 

  2443.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  2444.         pluginId = value1

  2445.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2446. 

  2447.         if pwidget is not None:

  2448.             pwidget.showEditDialog()

  2449. 

  2450.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  2451.         pluginId = value1

  2452.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2453. 

  2454.         if pwidget is not None:

  2455.             pwidget.showRenameDialog()

  2456. 

  2457.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  2458.         pluginId = value1

  2459.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2460. 

  2461.         if pwidget is not None:

  2462.             pwidget.showReplaceDialog()

  2463. 

  2464.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  2465.         pluginId = value1

  2466. 

  2467.         if not host.remove_plugin(pluginId):

  2468.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2469.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2470. 

  2471.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  2472.         pluginId = value1

  2473.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2474. 

  2475.         if pwidget is not None:

  2476.             pwidget.showCustomUI()

  2477. 

  2478.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  2479.         gCarla.gui.showPluginActionsMenu()

  2480. 

  2481. # ------------------------------------------------------------------------------------------------------------

  2482. # Engine callback

  2483. 

  2484. def engineCallback(host, action, pluginId, value1, value2, value3, valueStr):

  2485.     # kdevelop likes this :)

  2486.     if False: host = CarlaHostNull()

  2487. 

  2488.     valueStr = charPtrToString(valueStr)

  2489. 

  2490.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  2491.         host.processMode   = value1

  2492.         host.transportMode = value2

  2493.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2494.         host.processMode   = value1

  2495.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2496.         host.transportMode  = value1

  2497.         host.transportExtra = valueStr

  2498. 

  2499.     if action == ENGINE_CALLBACK_DEBUG:

  2500.         host.DebugCallback.emit(pluginId, value1, value2, value3, valueStr)

  2501.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  2502.         host.PluginAddedCallback.emit(pluginId, valueStr)

  2503.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  2504.         host.PluginRemovedCallback.emit(pluginId)

  2505.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  2506.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  2507.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  2508.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  2509.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  2510.         host.ParameterValueChangedCallback.emit(pluginId, value1, value3)

  2511.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  2512.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, value3)

  2513.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CC_CHANGED:

  2514.         host.ParameterMidiCcChangedCallback.emit(pluginId, value1, value2)

  2515.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  2516.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  2517.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  2518.         host.ProgramChangedCallback.emit(pluginId, value1)

  2519.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  2520.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  2521.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  2522.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  2523.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  2524.         host.UiStateChangedCallback.emit(pluginId, value1)

  2525.     elif action == ENGINE_CALLBACK_NOTE_ON:

  2526.         host.NoteOnCallback.emit(pluginId, value1, value2, round(value3))

  2527.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  2528.         host.NoteOffCallback.emit(pluginId, value1, value2)

  2529.     elif action == ENGINE_CALLBACK_UPDATE:

  2530.         host.UpdateCallback.emit(pluginId)

  2531.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  2532.         host.ReloadInfoCallback.emit(pluginId)

  2533.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  2534.         host.ReloadParametersCallback.emit(pluginId)

  2535.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  2536.         host.ReloadProgramsCallback.emit(pluginId)

  2537.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  2538.         host.ReloadAllCallback.emit(pluginId)

  2539.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  2540.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  2541.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  2542.         host.PatchbayClientRemovedCallback.emit(pluginId)

  2543.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  2544.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  2545.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  2546.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  2547.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  2548.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, valueStr)

  2549.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  2550.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  2551.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_RENAMED:

  2552.         host.PatchbayPortRenamedCallback.emit(pluginId, value1, valueStr)

  2553.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  2554.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  2555.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  2556.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  2557.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  2558.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  2559.         host.EngineStartedCallback.emit(value1, value2, value3, valueStr)

  2560.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  2561.         host.EngineStoppedCallback.emit()

  2562.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2563.         host.ProcessModeChangedCallback.emit(value1)

  2564.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2565.         host.TransportModeChangedCallback.emit(value1, valueStr)

  2566.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  2567.         host.BufferSizeChangedCallback.emit(value1)

  2568.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  2569.         host.SampleRateChangedCallback.emit(value3)

  2570.     elif action == ENGINE_CALLBACK_PROJECT_LOAD_FINISHED:

  2571.         host.ProjectLoadFinishedCallback.emit()

  2572.     elif action == ENGINE_CALLBACK_NSM:

  2573.         host.NSMCallback.emit(value1, value2, valueStr)

  2574.     elif action == ENGINE_CALLBACK_IDLE:

  2575.         QApplication.processEvents()

  2576.     elif action == ENGINE_CALLBACK_INFO:

  2577.         host.InfoCallback.emit(valueStr)

  2578.     elif action == ENGINE_CALLBACK_ERROR:

  2579.         host.ErrorCallback.emit(valueStr)

  2580.     elif action == ENGINE_CALLBACK_QUIT:

  2581.         host.QuitCallback.emit()

  2582. 

  2583. # ------------------------------------------------------------------------------------------------------------

  2584. # File callback

  2585. 

  2586. def fileCallback(ptr, action, isDir, title, filter):

  2587.     title  = charPtrToString(title)

  2588.     filter = charPtrToString(filter)

  2589. 

  2590.     if action == FILE_CALLBACK_OPEN:

  2591.         ret, ok = QFileDialog.getOpenFileName(gCarla.gui, title, "", filter) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  2592.     elif action == FILE_CALLBACK_SAVE:

  2593.         ret, ok = QFileDialog.getSaveFileName(gCarla.gui, title, "", filter, QFileDialog.ShowDirsOnly if isDir else 0x0)

  2594.     else:

  2595.         ret, ok = ("", "")

  2596. 

  2597.     # FIXME use ok value, test if it works as expected

  2598.     if not ret:

  2599.         return None

  2600. 

  2601.     # FIXME

  2602.     global fileRet

  2603.     fileRet = c_char_p(ret.encode("utf-8"))

  2604.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  2605.     return retval.contents.value

  2606. 

  2607. # ------------------------------------------------------------------------------------------------------------

  2608. # Init host

  2609. 

  2610. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  2611.     pathBinaries, pathResources = getPaths(libPrefix)

  2612. 

  2613.     # --------------------------------------------------------------------------------------------------------

  2614.     # Check if we should open main lib as local or global

  2615. 

  2616.     settings = QSettings("falkTX", "Carla2")

  2617. 

  2618.     try:

  2619.         loadGlobal = settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL, CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL, type=bool)

  2620.     except:

  2621.         loadGlobal = CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL

  2622. 

  2623.     # --------------------------------------------------------------------------------------------------------

  2624.     # Fail if binary dir is not found

  2625. 

  2626.     if not os.path.exists(pathBinaries):

  2627.         if failError:

  2628.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  2629.             sys.exit(1)

  2630.         return

  2631. 

  2632.     # --------------------------------------------------------------------------------------------------------

  2633.     # Set Carla library name

  2634. 

  2635.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  2636.     libname   = os.path.join(pathBinaries, libname)

  2637.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  2638. 

  2639.     # --------------------------------------------------------------------------------------------------------

  2640.     # Print info

  2641. 

  2642.     print("Carla %s started, status:" % VERSION)

  2643.     print("  Python version: %s" % sys.version.split(" ",1)[0])

  2644.     print("  Qt version:     %s" % qVersion())

  2645.     print("  PyQt version:   %s" % PYQT_VERSION_STR)

  2646.     print("  Binary dir:     %s" % pathBinaries)

  2647.     print("  Resources dir:  %s" % pathResources)

  2648. 

  2649.     # --------------------------------------------------------------------------------------------------------

  2650.     # Init host

  2651. 

  2652.     if failError:

  2653.         # no try

  2654.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2655.     else:

  2656.         try:

  2657.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2658.         except:

  2659.             host = CarlaHostQtNull()

  2660. 

  2661.     host.isControl = isControl

  2662.     host.isPlugin  = isPlugin

  2663. 

  2664.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vs: engineCallback(host,a,p,v1,v2,v3,vs))

  2665.     host.set_file_callback(fileCallback)

  2666. 

  2667.     # If it's a plugin the paths are already set

  2668.     if not isPlugin:

  2669.         host.pathBinaries  = pathBinaries

  2670.         host.pathResources = pathResources

  2671.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  2672.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  2673. 

  2674.         if not isControl:

  2675.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  2676. 

  2677.     # --------------------------------------------------------------------------------------------------------

  2678.     # Init utils

  2679. 

  2680.     gCarla.utils = CarlaUtils(utilsname)

  2681.     gCarla.utils.set_process_name(os.path.basename(initName))

  2682. 

  2683.     try:

  2684.         sys.stdout.flush()

  2685.     except:

  2686.         pass

  2687. 

  2688.     sys.stdout = CarlaPrint(False)

  2689.     sys.stderr = CarlaPrint(True)

  2690.     sys.excepthook = sys_excepthook

  2691. 

  2692.     # --------------------------------------------------------------------------------------------------------

  2693.     # Done

  2694. 

  2695.     return host

  2696. 

  2697. # ------------------------------------------------------------------------------------------------------------

  2698. # Load host settings

  2699. 

  2700. def loadHostSettings(host):

  2701.     # kdevelop likes this :)

  2702.     if False: host = CarlaHostNull()

  2703. 

  2704.     settings = QSettings("falkTX", "Carla2")

  2705. 

  2706.     try:

  2707.         host.experimental = settings.value(CARLA_KEY_MAIN_EXPERIMENTAL, CARLA_DEFAULT_MAIN_EXPERIMENTAL, type=bool)

  2708.     except:

  2709.         host.experimental = CARLA_DEFAULT_MAIN_EXPERIMENTAL

  2710. 

  2711.     try:

  2712.         host.exportLV2 = settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2, CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT, type=bool)

  2713.     except:

  2714.         host.exportLV2 = CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT

  2715. 

  2716.     try:

  2717.         host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, type=bool)

  2718.     except:

  2719.         host.manageUIs = CARLA_DEFAULT_MANAGE_UIS

  2720. 

  2721.     try:

  2722.         host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, type=int)

  2723.     except:

  2724.         host.maxParameters = CARLA_DEFAULT_MAX_PARAMETERS

  2725. 

  2726.     try:

  2727.         host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, type=bool)

  2728.     except:

  2729.         host.forceStereo = CARLA_DEFAULT_FORCE_STEREO

  2730. 

  2731.     try:

  2732.         host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, type=bool)

  2733.     except:

  2734.         host.preferPluginBridges = CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES

  2735. 

  2736.     try:

  2737.         host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, type=bool)

  2738.     except:

  2739.         host.preferUIBridges = CARLA_DEFAULT_PREFER_UI_BRIDGES

  2740. 

  2741.     try:

  2742.         host.preventBadBehaviour = settings.value(CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, type=bool)

  2743.     except:

  2744.         host.preventBadBehaviour = CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR

  2745. 

  2746.     try:

  2747.         host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, type=bool)

  2748.     except:

  2749.         host.showLogs = CARLA_DEFAULT_MAIN_SHOW_LOGS

  2750. 

  2751.     try:

  2752.         host.showPluginBridges = settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, type=bool)

  2753.     except:

  2754.         host.showPluginBridges = CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES

  2755. 

  2756.     try:

  2757.         host.showWineBridges = settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, type=bool)

  2758.     except:

  2759.         host.showWineBridges = CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES

  2760. 

  2761.     try:

  2762.         host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, type=int)

  2763.     except:

  2764.         host.uiBridgesTimeout = CARLA_DEFAULT_UI_BRIDGES_TIMEOUT

  2765. 

  2766.     try:

  2767.         host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, type=bool)

  2768.     except:

  2769.         host.uisAlwaysOnTop = CARLA_DEFAULT_UIS_ALWAYS_ON_TOP

  2770. 

  2771.     if host.isPlugin:

  2772.         return

  2773. 

  2774.     try:

  2775.         host.transportExtra = settings.value(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, "", type=str)

  2776.     except:

  2777.         host.transportExtra = ""

  2778. 

  2779.     # enums

  2780.     if host.audioDriverForced is None:

  2781.         try:

  2782.             host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, type=int)

  2783.         except:

  2784.             host.transportMode = CARLA_DEFAULT_TRANSPORT_MODE

  2785. 

  2786.     if not host.processModeForced:

  2787.         try:

  2788.             host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, type=int)

  2789.         except:

  2790.             host.processMode = CARLA_DEFAULT_PROCESS_MODE

  2791. 

  2792.     host.nextProcessMode = host.processMode

  2793. 

  2794.     # --------------------------------------------------------------------------------------------------------

  2795.     # fix things if needed

  2796. 

  2797.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  2798.         if LADISH_APP_NAME:

  2799.             print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  2800.             host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  2801. 

  2802.         else:

  2803.             host.transportMode = ENGINE_TRANSPORT_MODE_JACK

  2804. 

  2805.     if gCarla.nogui:

  2806.         host.showLogs = False

  2807. 

  2808.     # --------------------------------------------------------------------------------------------------------

  2809.     # run headless host now if nogui option enabled

  2810. 

  2811.     if gCarla.nogui:

  2812.         runHostWithoutUI(host)

  2813. 

  2814. # ------------------------------------------------------------------------------------------------------------

  2815. # Set host settings

  2816. 

  2817. def setHostSettings(host):

  2818.     # kdevelop likes this :)

  2819.     if False: host = CarlaHostNull()

  2820. 

  2821.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  2822.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  2823.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  2824.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  2825.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  2826.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  2827.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  2828. 

  2829.     if host.isPlugin or host.isRemote or host.is_engine_running():

  2830.         return

  2831. 

  2832.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  2833.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       host.transportExtra)

  2834.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  2835. 

  2836. # ------------------------------------------------------------------------------------------------------------

  2837. # Set Engine settings according to carla preferences. Returns selected audio driver.

  2838. 

  2839. def setEngineSettings(host):

  2840.     # kdevelop likes this :)

  2841.     if False: host = CarlaHostNull()

  2842. 

  2843.     # --------------------------------------------------------------------------------------------------------

  2844.     # do nothing if control

  2845. 

  2846.     if host.isControl:

  2847.         return "Control"

  2848. 

  2849.     # --------------------------------------------------------------------------------------------------------

  2850. 

  2851.     settings = QSettings("falkTX", "Carla2")

  2852. 

  2853.     # --------------------------------------------------------------------------------------------------------

  2854.     # main settings

  2855. 

  2856.     setHostSettings(host)

  2857. 

  2858.     # --------------------------------------------------------------------------------------------------------

  2859.     # plugin paths

  2860. 

  2861.     LADSPA_PATH = toList(settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH))

  2862.     DSSI_PATH   = toList(settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH))

  2863.     LV2_PATH    = toList(settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH))

  2864.     VST2_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST2,   CARLA_DEFAULT_VST2_PATH))

  2865.     VST3_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST3,   CARLA_DEFAULT_VST3_PATH))

  2866.     SF2_PATH    = toList(settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH))

  2867.     SFZ_PATH    = toList(settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH))

  2868. 

  2869.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  2870.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  2871.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  2872.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2,   splitter.join(VST2_PATH))

  2873.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST3,   splitter.join(VST3_PATH))

  2874.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  2875.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  2876. 

  2877.     # --------------------------------------------------------------------------------------------------------

  2878.     # don't continue if plugin

  2879. 

  2880.     if host.isPlugin:

  2881.         return "Plugin"

  2882. 

  2883.     # --------------------------------------------------------------------------------------------------------

  2884.     # wine settings

  2885. 

  2886.     optWineExecutable = settings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, type=str)

  2887.     optWineAutoPrefix = settings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, type=bool)

  2888.     optWineFallbackPrefix = settings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, type=str)

  2889.     optWineRtPrioEnabled = settings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, type=bool)

  2890.     optWineBaseRtPrio = settings.value(CARLA_KEY_WINE_BASE_RT_PRIO,   CARLA_DEFAULT_WINE_BASE_RT_PRIO, type=int)

  2891.     optWineServerRtPrio = settings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, type=int)

  2892. 

  2893.     host.set_engine_option(ENGINE_OPTION_WINE_EXECUTABLE, 0, optWineExecutable)

  2894.     host.set_engine_option(ENGINE_OPTION_WINE_AUTO_PREFIX, 1 if optWineAutoPrefix else 0, "")

  2895.     host.set_engine_option(ENGINE_OPTION_WINE_FALLBACK_PREFIX, 0, os.path.expanduser(optWineFallbackPrefix))

  2896.     host.set_engine_option(ENGINE_OPTION_WINE_RT_PRIO_ENABLED, 1 if optWineRtPrioEnabled else 0, "")

  2897.     host.set_engine_option(ENGINE_OPTION_WINE_BASE_RT_PRIO, optWineBaseRtPrio, "")

  2898.     host.set_engine_option(ENGINE_OPTION_WINE_SERVER_RT_PRIO, optWineServerRtPrio, "")

  2899. 

  2900.     # --------------------------------------------------------------------------------------------------------

  2901.     # driver and device settings

  2902. 

  2903.     # driver name

  2904.     if host.audioDriverForced is not None:

  2905.         audioDriver = host.audioDriverForced

  2906.     else:

  2907.         try:

  2908.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, type=str)

  2909.         except:

  2910.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  2911. 

  2912.     # driver options

  2913.     try:

  2914.         audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", type=str)

  2915.     except:

  2916.         audioDevice = ""

  2917. 

  2918.     try:

  2919.         audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, type=int)

  2920.     except:

  2921.         audioBufferSize = CARLA_DEFAULT_AUDIO_BUFFER_SIZE

  2922. 

  2923.     try:

  2924.         audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, type=int)

  2925.     except:

  2926.         audioSampleRate = CARLA_DEFAULT_AUDIO_SAMPLE_RATE

  2927. 

  2928.     try:

  2929.         audioTripleBuffer = settings.value("%s%s/TripleBuffer" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER, type=int)

  2930.     except:

  2931.         audioTripleBuffer = CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER

  2932. 

  2933.     # Only setup audio things if engine is not running

  2934.     if not host.is_engine_running():

  2935.         host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE, 0, audioDevice)

  2936. 

  2937.         if not audioDriver.startswith("JACK"):

  2938.             host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  2939.             host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  2940.             host.set_engine_option(ENGINE_OPTION_AUDIO_TRIPLE_BUFFER, audioTripleBuffer, "")

  2941. 

  2942.     # --------------------------------------------------------------------------------------------------------

  2943.     # fix things if needed

  2944. 

  2945.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  2946.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  2947.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, host.transportExtra)

  2948. 

  2949.     # --------------------------------------------------------------------------------------------------------

  2950.     # return selected driver name

  2951. 

  2952.     return audioDriver

  2953. 

  2954. # ------------------------------------------------------------------------------------------------------------

  2955. # Run Carla without showing UI

  2956. 

  2957. def runHostWithoutUI(host):

  2958.     # kdevelop likes this :)

  2959.     if False: host = CarlaHostNull()

  2960. 

  2961.     # --------------------------------------------------------------------------------------------------------

  2962.     # Some initial checks

  2963. 

  2964.     if not gCarla.nogui:

  2965.         return

  2966. 

  2967.     projectFile = getInitialProjectFile(QCoreApplication.instance(), True)

  2968. 

  2969.     if not projectFile:

  2970.         print("Carla no-gui mode can only be used together with a project file.")

  2971.         sys.exit(1)

  2972. 

  2973.     # --------------------------------------------------------------------------------------------------------

  2974.     # Additional imports

  2975. 

  2976.     from time import sleep

  2977. 

  2978.     # --------------------------------------------------------------------------------------------------------

  2979.     # Init engine

  2980. 

  2981.     audioDriver = setEngineSettings(host)

  2982.     if not host.engine_init(audioDriver, "Carla"):

  2983.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  2984.         sys.exit(1)

  2985. 

  2986.     if not host.load_project(projectFile):

  2987.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  2988.         host.engine_close()

  2989.         sys.exit(1)

  2990. 

  2991.     # --------------------------------------------------------------------------------------------------------

  2992.     # Idle

  2993. 

  2994.     print("Carla ready!")

  2995. 

  2996.     while host.is_engine_running() and not gCarla.term:

  2997.         host.engine_idle()

  2998.         sleep(0.0333) # 30 Hz

  2999. 

  3000.     # --------------------------------------------------------------------------------------------------------

  3001.     # Stop

  3002. 

  3003.     host.engine_close()

  3004.     sys.exit(0)

  3005. 

  3006. # ------------------------------------------------------------------------------------------------------------