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.
5552 Commits
16 Branches
275MB
Tree: 30d8712beb
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '30d8712beb'
${ noResults }
Carla/source/frontend/carla_host.py

3441 lines
136KB
Raw Blame History 

  1. #!/usr/bin/env python3

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

  3. 

  4. # Carla host code

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

  6. #

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

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

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

  10. # the License, or any later version.

  11. #

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

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

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

  15. # GNU General Public License for more details.

  16. #

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

  18. 

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

  20. # Imports (Global)

  21. 

  22. import json

  23. 

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

  25. # Imports (ctypes)

  26. 

  27. from ctypes import (

  28.     byref, pointer

  29. )

  30. 

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

  32. # Imports (PyQt5)

  33. 

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

  35. try:

  36.     from PyQt5.Qt import PYQT_VERSION

  37. except ImportError:

  38.     PYQT_VERSION = 0x50600

  39. 

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

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

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

  43. 

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

  45. # Imports (Custom)

  46. 

  47. import ui_carla_host

  48. 

  49. from carla_app import *

  50. from carla_backend_qt import CarlaHostQtDLL, CarlaHostQtNull

  51. from carla_database import *

  52. from carla_settings import *

  53. from carla_utils import *

  54. from carla_widgets import *

  55. 

  56. from patchcanvas import patchcanvas

  57. from widgets.digitalpeakmeter import DigitalPeakMeter

  58. from widgets.pixmapkeyboard import PixmapKeyboardHArea

  59. 

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

  61. # Try Import OpenGL

  62. 

  63. try:

  64.     from PyQt5.QtOpenGL import QGLWidget

  65.     hasGL = True

  66. except:

  67.     hasGL = False

  68. 

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

  70. # Safe exception hook, needed for PyQt5

  71. 

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

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

  74. 

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

  76. # Session Management support

  77. 

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

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

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

  81. 

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

  83. # Small print helper

  84. 

  85. def processMode2Str(processMode):

  86.     if processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT:

  87.         return "Single client"

  88.     if processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  89.         return "Multi client"

  90.     if processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK:

  91.         return "Continuous Rack"

  92.     if processMode == ENGINE_PROCESS_MODE_PATCHBAY:

  93.         return "Patchbay"

  94.     if processMode == ENGINE_PROCESS_MODE_BRIDGE:

  95.         return "Bridge"

  96.     return "Unknown"

  97. 

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

  99. # Carla Print class

  100. 

  101. class CarlaPrint:

  102.     def __init__(self, err):

  103.         self.err = err

  104. 

  105.     def flush(self):

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

  107. 

  108.     def write(self, string):

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

  110. 

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

  112. # Host Window

  113. 

  114. class HostWindow(QMainWindow):

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

  116.     # signals

  117.     SIGTERM = pyqtSignal()

  118.     SIGUSR1 = pyqtSignal()

  119. 

  120.     # CustomActions

  121.     CUSTOM_ACTION_NONE         = 0

  122.     CUSTOM_ACTION_APP_CLOSE    = 1

  123.     CUSTOM_ACTION_PROJECT_LOAD = 2

  124. 

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

  126. 

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

  128.         QMainWindow.__init__(self, parent)

  129.         self.host = host

  130.         self.ui = ui_carla_host.Ui_CarlaHostW()

  131.         self.ui.setupUi(self)

  132.         gCarla.gui = self

  133. 

  134.         if False:

  135.             # kdevelop likes this :)

  136.             host = CarlaHostNull()

  137.             self.host = host

  138. 

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

  140. 

  141.         self.fParentOrSelf = parent or self

  142. 

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

  144.         # Internal stuff

  145. 

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

  147.         self.fIdleTimerFast = 0

  148.         self.fIdleTimerSlow = 0

  149. 

  150.         self.fLadspaRdfNeedsUpdate = True

  151.         self.fLadspaRdfList = []

  152. 

  153.         self.fPluginCount = 0

  154.         self.fPluginList  = []

  155. 

  156.         self.fPluginDatabaseDialog = None

  157.         self.fFavoritePlugins = []

  158. 

  159.         self.fProjectFilename  = ""

  160.         self.fIsProjectLoading = False

  161.         self.fCurrentlyRemovingAllPlugins = False

  162. 

  163.         self.fLastTransportBPM   = 0.0

  164.         self.fLastTransportFrame = 0

  165.         self.fLastTransportState = False

  166.         self.fBufferSize         = 0

  167.         self.fSampleRate         = 0.0

  168.         self.fOscAddressTCP      = ""

  169.         self.fOscAddressUDP      = ""

  170.         self.fOscReportedHost    = ""

  171. 

  172.         if MACOS:

  173.             self.fMacClosingHelper = True

  174. 

  175.         # CancelableActionCallback Box

  176.         self.fCancelableActionBox = None

  177. 

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

  179.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  180. 

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

  182.         self.fFirstEngineInit = True

  183. 

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

  185.         self.fSavedSettings = {}

  186. 

  187.         # true if NSM server handles our window management

  188.         self.fWindowCloseHideGui = False

  189. 

  190.         if host.isControl:

  191.             self.fClientName         = "Carla-Control"

  192.             self.fSessionManagerName = "Control"

  193.         elif host.isPlugin:

  194.             self.fClientName         = "Carla-Plugin"

  195.             self.fSessionManagerName = "Plugin"

  196.         elif LADISH_APP_NAME:

  197.             self.fClientName         = LADISH_APP_NAME

  198.             self.fSessionManagerName = "LADISH"

  199.         elif NSM_URL and host.nsmOK:

  200.             self.fClientName         = "Carla.tmp"

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

  202.             self.fWindowCloseHideGui = True

  203.         else:

  204.             self.fClientName         = CARLA_CLIENT_NAME or "Carla"

  205.             self.fSessionManagerName = ""

  206. 

  207.         # ----------------------------------------------------------------------------------------------------

  208.         # Internal stuff (patchbay)

  209. 

  210.         self.fPeaksCleared = True

  211. 

  212.         self.fExternalPatchbay = False

  213.         self.fSelectedPlugins  = []

  214. 

  215.         self.fCanvasWidth  = 0

  216.         self.fCanvasHeight = 0

  217.         self.fMiniCanvasUpdateTimeout = 0

  218. 

  219.         self.fWithCanvas = withCanvas

  220. 

  221.         # ----------------------------------------------------------------------------------------------------

  222.         # Internal stuff (logs)

  223. 

  224.         self.autoscrollOnNewLog = True

  225.         self.lastLogSliderPos = 0

  226. 

  227.         # ----------------------------------------------------------------------------------------------------

  228.         # Set up GUI (engine stopped)

  229. 

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

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

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

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

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

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

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

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

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

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

  240. 

  241.             if self.host.isControl:

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

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

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

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

  246.             else:

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

  248. 

  249.                 if not withCanvas:

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

  251. 

  252.         else:

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

  254. 

  255.             if WINDOWS:

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

  257. 

  258.         if self.host.isControl:

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

  260.         else:

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

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

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

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

  265. 

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

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

  268. 

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

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

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

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

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

  274. 

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

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

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

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

  279. 

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

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

  282. 

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

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

  285. 

  286.         if not withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  304.             self.ui.tw_miniCanvas.hide()

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

  306.             if WINDOWS:

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

  308. 

  309.         # ----------------------------------------------------------------------------------------------------

  310.         # Set up GUI (disk)

  311. 

  312.         exts = gCarla.utils.get_supported_file_extensions()

  313. 

  314.         self.fDirModel = QFileSystemModel(self)

  315.         self.fDirModel.setRootPath(HOME)

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

  317. 

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

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

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

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

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

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

  324. 

  325.         # ----------------------------------------------------------------------------------------------------

  326.         # Set up GUI (transport)

  327. 

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

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

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

  331. 

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

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

  334. 

  335.         if minLabelWidth < labelTimeWidth:

  336.             minLabelWidth = labelTimeWidth

  337.         if minLabelWidth < labelBBTWidth:

  338.             minLabelWidth = labelBBTWidth

  339. 

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

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

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

  343. 

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

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

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

  347. 

  348.         if host.isPlugin:

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

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

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

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

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

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

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

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

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

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

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

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

  361. 

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

  363. 

  364.         # ----------------------------------------------------------------------------------------------------

  365.         # Set up GUI (rack)

  366. 

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

  368. 

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

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

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

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

  373. 

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

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

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

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

  378. 

  379.         self.updateStyle()

  380. 

  381.         self.ui.rack.setStyleSheet("""

  382.           CarlaRackList#CarlaRackList {

  383.             background-color: black;

  384.           }

  385.         """)

  386. 

  387.         # ----------------------------------------------------------------------------------------------------

  388.         # Set up GUI (patchbay)

  389. 

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

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

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

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

  394. 

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

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

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

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

  399. 

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

  401.         self.ui.keyboard   = self.ui.scrollArea.keyboard

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

  403. 

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

  405. 

  406.         self.ui.miniCanvasPreview.setRealParent(self)

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

  408. 

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

  410.         # Set up GUI (logs)

  411. 

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

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

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

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

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

  417. 

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

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

  420. 

  421.         if MACOS:

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

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

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

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

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

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

  428. 

  429.         # ----------------------------------------------------------------------------------------------------

  430.         # Load Settings

  431. 

  432.         self.loadSettings(True)

  433. 

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

  435.         # Set-up Canvas

  436. 

  437.         if withCanvas:

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

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

  440. 

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

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

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

  444. 

  445.             self.setupCanvas()

  446. 

  447.         # ----------------------------------------------------------------------------------------------------

  448.         # Connect actions to functions

  449. 

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

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

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

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

  454. 

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

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

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

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

  459. 

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

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

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

  463. 

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

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

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

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

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

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

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

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

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

  473. 

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

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

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

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

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

  479. 

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

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

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

  483. 

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

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

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

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

  488. 

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

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

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

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

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

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

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

  496. 

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

  498. 

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

  500. 

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

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

  503. 

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

  505. 

  506.         if withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  526. 

  527.         self.SIGUSR1.connect(self.slot_handleSIGUSR1)

  528.         self.SIGTERM.connect(self.slot_handleSIGTERM)

  529. 

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

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

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

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

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

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

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

  537. 

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

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

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

  541. 

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

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

  544. 

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

  546. 

  547.         if withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

  561. 

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

  563. 

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

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

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

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

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

  569. 

  570.         # ----------------------------------------------------------------------------------------------------

  571.         # Final setup

  572. 

  573.         self.ui.text_logs.clear()

  574.         self.slot_logButtonsState(False)

  575.         self.setProperWindowTitle()

  576. 

  577.         # Disable non-supported features

  578.         features = gCarla.utils.get_supported_features()

  579. 

  580.         if "link" not in features:

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

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

  583. 

  584.         if "juce" not in features:

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

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

  587. 

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

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

  590.             self.startTimers()

  591. 

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

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

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

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

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

  597. 

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

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

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

  601. 

  602.         # Load initial project file if set

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

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

  605. 

  606.             if projectFile:

  607.                 self.loadProjectLater(projectFile)

  608. 

  609.         # For NSM we wait for the open message

  610.         if NSM_URL and host.nsmOK:

  611.             host.nsm_ready(NSM_CALLBACK_INIT)

  612.             return

  613. 

  614.         if not host.isControl:

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

  616. 

  617.     # --------------------------------------------------------------------------------------------------------

  618.     # Manage visibility state, needed for NSM

  619. 

  620.     def hideForNSM(self):

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

  622.             if pitem is None:

  623.                 continue

  624.             pitem.getWidget().hideCustomUI()

  625.         self.hide()

  626. 

  627.     def showIfNeeded(self):

  628.         if self.host.nsmOK:

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

  630.             QApplication.instance().setQuitOnLastWindowClosed(False)

  631.         else:

  632.             self.show()

  633. 

  634.     # --------------------------------------------------------------------------------------------------------

  635.     # Setup

  636. 

  637.     def compactPlugin(self, pluginId):

  638.         if pluginId > self.fPluginCount:

  639.             return

  640. 

  641.         pitem = self.fPluginList[pluginId]

  642. 

  643.         if pitem is None:

  644.             return

  645. 

  646.         pitem.recreateWidget(True)

  647. 

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

  649.         if pluginId > self.fPluginCount:

  650.             return

  651. 

  652.         pitem = self.fPluginList[pluginId]

  653. 

  654.         if pitem is None:

  655.             return

  656. 

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

  658.         pitem.recreateWidget(newColor = color)

  659. 

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

  661.         if pluginId > self.fPluginCount:

  662.             return

  663. 

  664.         pitem = self.fPluginList[pluginId]

  665. 

  666.         if pitem is None:

  667.             return

  668. 

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

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

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

  672.         else:

  673.             pitem.recreateWidget(newSkin = skin)

  674. 

  675.     def findPluginInPatchbay(self, pluginId):

  676.         if pluginId > self.fPluginCount:

  677.             return

  678. 

  679.         if self.fExternalPatchbay:

  680.             self.slot_canvasShowInternal()

  681. 

  682.         if not patchcanvas.focusGroupUsingPluginId(pluginId):

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

  684.             if not patchcanvas.focusGroupUsingGroupName(name):

  685.                 return

  686. 

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

  688. 

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

  690.         if pluginIdA == pluginIdB:

  691.             return

  692.         if pluginIdA < 0 or pluginIdB < 0:

  693.             return

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

  695.             return

  696. 

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

  698. 

  699.         itemA = self.fPluginList[pluginIdA]

  700.         compactA = itemA.isCompacted()

  701.         guiShownA = itemA.isGuiShown()

  702. 

  703.         itemB = self.fPluginList[pluginIdB]

  704.         compactB = itemB.isCompacted()

  705.         guiShownB = itemB.isGuiShown()

  706. 

  707.         itemA.setPluginId(pluginIdA)

  708.         itemA.recreateWidget2(compactB, guiShownB)

  709. 

  710.         itemB.setPluginId(pluginIdB)

  711.         itemB.recreateWidget2(compactA, guiShownA)

  712. 

  713.         if self.fWithCanvas:

  714.             self.slot_canvasRefresh()

  715. 

  716.     def setLoadRDFsNeeded(self):

  717.         self.fLadspaRdfNeedsUpdate = True

  718. 

  719.     def setProperWindowTitle(self):

  720.         title = self.fClientName

  721. 

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

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

  724.         if self.fSessionManagerName:

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

  726. 

  727.         self.setWindowTitle(title)

  728. 

  729.     def updateBufferSize(self, newBufferSize):

  730.         if self.fBufferSize == newBufferSize:

  731.             return

  732.         self.fBufferSize = newBufferSize

  733.         self.ui.cb_buffer_size.clear()

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

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

  736. 

  737.     def updateSampleRate(self, newSampleRate):

  738.         if self.fSampleRate == newSampleRate:

  739.             return

  740.         self.fSampleRate = newSampleRate

  741.         self.ui.cb_sample_rate.clear()

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

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

  744.         self.refreshTransport(True)

  745. 

  746.     # --------------------------------------------------------------------------------------------------------

  747.     # Files

  748. 

  749.     def loadProjectNow(self):

  750.         if not self.fProjectFilename:

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

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

  753.             return

  754. 

  755.         self.projectLoadingStarted()

  756.         self.fIsProjectLoading = True

  757. 

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

  759.             self.fIsProjectLoading = False

  760.             self.projectLoadingFinished()

  761. 

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

  763.                              self.host.get_last_error(),

  764.                              QMessageBox.Ok, QMessageBox.Ok)

  765. 

  766.     def loadProjectLater(self, filename):

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

  768.         self.setProperWindowTitle()

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

  770. 

  771.     def saveProjectNow(self):

  772.         if not self.fProjectFilename:

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

  774. 

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

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

  777.                              self.host.get_last_error(),

  778.                              QMessageBox.Ok, QMessageBox.Ok)

  779.             return

  780. 

  781.     def projectLoadingStarted(self):

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

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

  784. 

  785.     def projectLoadingFinished(self):

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

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

  788. 

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

  790.             return

  791. 

  792.         self.loadExternalCanvasGroupPositionsIfNeeded(self.fProjectFilename)

  793. 

  794.     def loadExternalCanvasGroupPositionsIfNeeded(self, filename):

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

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

  797.             return

  798. 

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

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

  801.                 return

  802. 

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

  804.             try:

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

  806.             except:

  807.                 return

  808. 

  809.         patchcanvas.restoreGroupPositions(canvasdata)

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

  811. 

  812.     # --------------------------------------------------------------------------------------------------------

  813.     # Files (menu actions)

  814. 

  815.     @pyqtSlot()

  816.     def slot_fileNew(self):

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

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

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

  820.             return

  821. 

  822.         self.pluginRemoveAll()

  823.         self.fProjectFilename = ""

  824.         self.setProperWindowTitle()

  825.         self.host.clear_project_filename()

  826. 

  827.     @pyqtSlot()

  828.     def slot_fileOpen(self):

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

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

  831. 

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

  833.         if not filename:

  834.             return

  835. 

  836.         newFile = True

  837. 

  838.         if self.fPluginCount > 0:

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

  840.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  842. 

  843.         if newFile:

  844.             self.pluginRemoveAll()

  845.             self.fProjectFilename = filename

  846.             self.setProperWindowTitle()

  847.             self.loadProjectNow()

  848.         else:

  849.             filenameOld = self.fProjectFilename

  850.             self.fProjectFilename = filename

  851.             self.loadProjectNow()

  852.             self.fProjectFilename = filenameOld

  853. 

  854.     @pyqtSlot()

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

  856.         if self.fProjectFilename and not saveAs:

  857.             return self.saveProjectNow()

  858. 

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

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

  861. 

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

  863.         if not filename:

  864.             return

  865. 

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

  867.             filename += ".carxp"

  868. 

  869.         if self.fProjectFilename != filename:

  870.             self.fProjectFilename = filename

  871.             self.setProperWindowTitle()

  872. 

  873.         self.saveProjectNow()

  874. 

  875.     @pyqtSlot()

  876.     def slot_fileSaveAs(self):

  877.         self.slot_fileSave(True)

  878. 

  879.     @pyqtSlot()

  880.     def slot_loadProjectNow(self):

  881.         self.loadProjectNow()

  882. 

  883.     # --------------------------------------------------------------------------------------------------------

  884.     # Engine (menu actions)

  885. 

  886.     @pyqtSlot()

  887.     def slot_engineStart(self):

  888.         audioDriver = setEngineSettings(self.host)

  889.         firstInit   = self.fFirstEngineInit

  890. 

  891.         self.fFirstEngineInit = False

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

  893. 

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

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

  896.                 settings = QSafeSettings()

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

  898.                 del settings

  899.                 if lastBpm >= 20.0:

  900.                     self.host.transport_bpm(lastBpm)

  901.             return

  902. 

  903.         elif firstInit:

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

  905.             return

  906. 

  907.         audioError = self.host.get_last_error()

  908. 

  909.         if audioError:

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

  911.         else:

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

  913. 

  914.     @pyqtSlot()

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

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

  917. 

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

  919.             self.engineStopFinal()

  920.             return True

  921. 

  922.         if not forced:

  923.             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"

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

  925.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  926.             if ask != QMessageBox.Yes:

  927.                 return False

  928. 

  929.         return self.slot_engineStopTryAgain()

  930. 

  931.     @pyqtSlot()

  932.     def slot_engineConfig(self):

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

  934. 

  935.         if not dialog.exec_():

  936.             return

  937. 

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

  939. 

  940.         if self.host.is_engine_running():

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

  942.         else:

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

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

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

  946. 

  947.     @pyqtSlot()

  948.     def slot_engineStopTryAgain(self):

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

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

  951.             return False

  952. 

  953.         self.engineStopFinal()

  954.         return True

  955. 

  956.     def engineStopFinal(self):

  957.         patchcanvas.handleAllPluginsRemoved()

  958.         self.killTimers()

  959. 

  960.         if self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  961.             self.removeAllPlugins()

  962.         elif self.fPluginCount != 0:

  963.             self.fCurrentlyRemovingAllPlugins = True

  964.             self.projectLoadingStarted()

  965. 

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

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

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

  969. 

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

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

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

  973. 

  974.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  975.             self.close()

  976.         elif self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  977.             self.slot_engineStart()

  978.             self.loadProjectNow()

  979.             self.host.nsm_ready(NSM_CALLBACK_OPEN)

  980. 

  981.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  982. 

  983.     # --------------------------------------------------------------------------------------------------------

  984.     # Engine (host callbacks)

  985. 

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

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

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

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

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

  991. 

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

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

  994. 

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

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

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

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

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

  1000.             self.fExternalPatchbay = False

  1001.         else:

  1002.             self.ui.act_canvas_show_internal.setChecked(False)

  1003.             self.ui.act_canvas_show_internal.setVisible(False)

  1004.             self.ui.act_canvas_show_external.setChecked(True)

  1005.             self.ui.act_canvas_show_external.setVisible(False)

  1006.             self.fExternalPatchbay = not self.host.isPlugin

  1007. 

  1008.         self.ui.act_canvas_show_internal.blockSignals(False)

  1009.         self.ui.act_canvas_show_external.blockSignals(False)

  1010. 

  1011.         if not (self.host.isControl or self.host.isPlugin):

  1012.             canSave = (self.fProjectFilename and os.path.exists(self.fProjectFilename)) or not self.fSessionManagerName

  1013.             self.ui.act_file_save.setEnabled(canSave)

  1014.             self.ui.act_engine_start.setEnabled(False)

  1015.             self.ui.act_engine_stop.setEnabled(True)

  1016. 

  1017.         if not self.host.isPlugin:

  1018.             self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1019. 

  1020.         if self.host.isPlugin or not self.fSessionManagerName:

  1021.             self.ui.act_file_open.setEnabled(True)

  1022.             self.ui.act_file_save_as.setEnabled(True)

  1023. 

  1024.         self.ui.cb_transport_jack.setChecked(transportMode == ENGINE_TRANSPORT_MODE_JACK)

  1025.         self.ui.cb_transport_jack.setEnabled(driverName == "JACK" and processMode != ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS)

  1026. 

  1027.         if self.ui.cb_transport_link.isEnabled():

  1028.             self.ui.cb_transport_link.setChecked(":link:" in self.host.transportExtra)

  1029. 

  1030.         self.updateBufferSize(bufferSize)

  1031.         self.updateSampleRate(int(sampleRate))

  1032.         self.refreshRuntimeInfo(0.0, 0)

  1033.         self.startTimers()

  1034. 

  1035.         self.ui.text_logs.appendPlainText("======= Engine started ========")

  1036.         self.ui.text_logs.appendPlainText("Carla engine started, details:")

  1037.         self.ui.text_logs.appendPlainText("  Driver name:  %s" % driverName)

  1038.         self.ui.text_logs.appendPlainText("  Sample rate:  %i" % int(sampleRate))

  1039.         self.ui.text_logs.appendPlainText("  Process mode: %s" % processMode2Str(processMode))

  1040. 

  1041.     @pyqtSlot()

  1042.     def slot_handleEngineStoppedCallback(self):

  1043.         self.ui.text_logs.appendPlainText("======= Engine stopped ========")

  1044. 

  1045.         if self.fWithCanvas:

  1046.             patchcanvas.clear()

  1047. 

  1048.         self.killTimers()

  1049. 

  1050.         # just in case

  1051.         self.removeAllPlugins()

  1052.         self.refreshRuntimeInfo(0.0, 0)

  1053. 

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

  1055.         self.ui.menu_Canvas.setEnabled(False)

  1056.         self.ui.w_transport.setEnabled(False)

  1057. 

  1058.         if not (self.host.isControl or self.host.isPlugin):

  1059.             self.ui.act_file_save.setEnabled(False)

  1060.             self.ui.act_engine_start.setEnabled(True)

  1061.             self.ui.act_engine_stop.setEnabled(False)

  1062. 

  1063.         if self.host.isPlugin or not self.fSessionManagerName:

  1064.             self.ui.act_file_open.setEnabled(False)

  1065.             self.ui.act_file_save_as.setEnabled(False)

  1066. 

  1067.     @pyqtSlot(int, str)

  1068.     def slot_handleTransportModeChangedCallback(self, transportMode, transportExtra):

  1069.         self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1070. 

  1071.         self.ui.cb_transport_jack.setChecked(transportMode == ENGINE_TRANSPORT_MODE_JACK)

  1072.         self.ui.cb_transport_link.setChecked(":link:" in transportExtra)

  1073. 

  1074.     @pyqtSlot(int)

  1075.     def slot_handleBufferSizeChangedCallback(self, newBufferSize):

  1076.         self.updateBufferSize(newBufferSize)

  1077. 

  1078.     @pyqtSlot(float)

  1079.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  1080.         self.updateSampleRate(int(newSampleRate))

  1081. 

  1082.     @pyqtSlot(int, bool, str)

  1083.     def slot_handleCancelableActionCallback(self, pluginId, started, action):

  1084.         if self.fCancelableActionBox is not None:

  1085.             self.fCancelableActionBox.close()

  1086. 

  1087.         if started:

  1088.             self.fCancelableActionBox = QMessageBox(self)

  1089.             self.fCancelableActionBox.setIcon(QMessageBox.Information)

  1090.             self.fCancelableActionBox.setWindowTitle(self.tr("Action in progress"))

  1091.             self.fCancelableActionBox.setText(action)

  1092.             self.fCancelableActionBox.setInformativeText(self.tr("An action is in progress, please wait..."))

  1093.             self.fCancelableActionBox.setStandardButtons(QMessageBox.Cancel)

  1094.             self.fCancelableActionBox.setDefaultButton(QMessageBox.Cancel)

  1095.             self.fCancelableActionBox.buttonClicked.connect(self.slot_canlableActionBoxClicked)

  1096.             self.fCancelableActionBox.show()

  1097. 

  1098.         else:

  1099.             self.fCancelableActionBox = None

  1100. 

  1101.     @pyqtSlot()

  1102.     def slot_canlableActionBoxClicked(self):

  1103.         self.host.cancel_engine_action()

  1104. 

  1105.     @pyqtSlot()

  1106.     def slot_handleProjectLoadFinishedCallback(self):

  1107.         self.fIsProjectLoading = False

  1108.         self.projectLoadingFinished()

  1109. 

  1110.     # --------------------------------------------------------------------------------------------------------

  1111.     # Plugins

  1112. 

  1113.     def removeAllPlugins(self):

  1114.         self.ui.act_plugin_remove_all.setEnabled(False)

  1115.         patchcanvas.handleAllPluginsRemoved()

  1116. 

  1117.         while self.ui.listWidget.takeItem(0):

  1118.             pass

  1119. 

  1120.         self.clearSideStuff()

  1121. 

  1122.         for pitem in self.fPluginList:

  1123.             if pitem is None:

  1124.                 continue

  1125. 

  1126.             pitem.close()

  1127.             del pitem

  1128. 

  1129.         self.fPluginCount = 0

  1130.         self.fPluginList  = []

  1131. 

  1132.     # --------------------------------------------------------------------------------------------------------

  1133.     # Plugins (menu actions)

  1134. 

  1135.     def showAddPluginDialog(self):

  1136.         if self.fPluginDatabaseDialog is None:

  1137.             self.fPluginDatabaseDialog = PluginDatabaseW(self.fParentOrSelf, self.host)

  1138.         dialog = self.fPluginDatabaseDialog

  1139. 

  1140.         ret = dialog.exec_()

  1141. 

  1142.         if dialog.fFavoritePluginsChanged:

  1143.             self.fFavoritePlugins = dialog.fFavoritePlugins

  1144. 

  1145.         if not ret:

  1146.             return

  1147. 

  1148.         if not self.host.is_engine_running():

  1149.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1150.             return

  1151. 

  1152.         btype    = dialog.fRetPlugin['build']

  1153.         ptype    = dialog.fRetPlugin['type']

  1154.         filename = dialog.fRetPlugin['filename']

  1155.         label    = dialog.fRetPlugin['label']

  1156.         uniqueId = dialog.fRetPlugin['uniqueId']

  1157.         extraPtr = self.getExtraPtr(dialog.fRetPlugin)

  1158. 

  1159.         return (btype, ptype, filename, label, uniqueId, extraPtr)

  1160. 

  1161.     def showAddJackAppDialog(self):

  1162.         dialog = JackApplicationW(self.fParentOrSelf, self.fProjectFilename)

  1163. 

  1164.         if not dialog.exec_():

  1165.             return

  1166. 

  1167.         if not self.host.is_engine_running():

  1168.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1169.             return

  1170. 

  1171.         return dialog.getCommandAndFlags()

  1172. 

  1173.     @pyqtSlot()

  1174.     def slot_favoritePluginAdd(self):

  1175.         plugin = self.sender().data()

  1176. 

  1177.         if plugin is None:

  1178.             return

  1179. 

  1180.         if not self.host.add_plugin(plugin['build'], plugin['type'], plugin['filename'], None,

  1181.                                     plugin['label'], plugin['uniqueId'], None, PLUGIN_OPTIONS_NULL):

  1182.             CustomMessageBox(self,

  1183.                              QMessageBox.Critical,

  1184.                              self.tr("Error"),

  1185.                              self.tr("Failed to load plugin"),

  1186.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1187. 

  1188.     @pyqtSlot()

  1189.     def slot_showPluginActionsMenu(self):

  1190.         menu = QMenu(self)

  1191. 

  1192.         menu.addSection("Plugins")

  1193.         menu.addAction(self.ui.act_plugin_add)

  1194. 

  1195.         if len(self.fFavoritePlugins) != 0:

  1196.             fmenu = QMenu("Add from favorites", self)

  1197.             for p in self.fFavoritePlugins:

  1198.                 act = fmenu.addAction(p['name'])

  1199.                 act.setData(p)

  1200.                 act.triggered.connect(self.slot_favoritePluginAdd)

  1201.             menu.addMenu(fmenu)

  1202. 

  1203.         menu.addAction(self.ui.act_plugin_remove_all)

  1204. 

  1205.         menu.addSection("All plugins (macros)")

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

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

  1208.         menu.addSeparator()

  1209.         menu.addAction(self.ui.act_plugins_volume100)

  1210.         menu.addAction(self.ui.act_plugins_mute)

  1211.         menu.addSeparator()

  1212.         menu.addAction(self.ui.act_plugins_wet100)

  1213.         menu.addAction(self.ui.act_plugins_bypass)

  1214.         menu.addSeparator()

  1215.         menu.addAction(self.ui.act_plugins_center)

  1216.         menu.addSeparator()

  1217.         menu.addAction(self.ui.act_plugins_compact)

  1218.         menu.addAction(self.ui.act_plugins_expand)

  1219. 

  1220.         menu.exec_(QCursor.pos())

  1221. 

  1222.     @pyqtSlot()

  1223.     def slot_pluginAdd(self):

  1224.         data = self.showAddPluginDialog()

  1225. 

  1226.         if data is None:

  1227.             return

  1228. 

  1229.         btype, ptype, filename, label, uniqueId, extraPtr = data

  1230. 

  1231.         if not self.host.add_plugin(btype, ptype, filename, None, label, uniqueId, extraPtr, PLUGIN_OPTIONS_NULL):

  1232.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1233.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1234. 

  1235.     @pyqtSlot()

  1236.     def slot_confirmRemoveAll(self):

  1237.         if self.fPluginCount == 0:

  1238.             return

  1239. 

  1240.         if QMessageBox.question(self, self.tr("Remove All"),

  1241.                                       self.tr("Are you sure you want to remove all plugins?"),

  1242.                                       QMessageBox.Yes|QMessageBox.No) == QMessageBox.No:

  1243.             return

  1244. 

  1245.         self.pluginRemoveAll()

  1246. 

  1247.     def pluginRemoveAll(self):

  1248.         if self.fPluginCount == 0:

  1249.             return

  1250. 

  1251.         self.fCurrentlyRemovingAllPlugins = True

  1252.         self.projectLoadingStarted()

  1253. 

  1254.         if not self.host.remove_all_plugins():

  1255.             self.projectLoadingFinished()

  1256.             self.fCurrentlyRemovingAllPlugins = False

  1257.             CustomMessageBox(self, QMessageBox.Warning, self.tr("Error"), self.tr("Operation failed"),

  1258.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1259. 

  1260.     @pyqtSlot()

  1261.     def slot_jackAppAdd(self):

  1262.         data = self.showAddJackAppDialog()

  1263. 

  1264.         if data is None:

  1265.             return

  1266. 

  1267.         filename, name, label = data

  1268. 

  1269.         if not filename:

  1270.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Cannot add jack application"),

  1271.                                    self.tr("command is empty"), QMessageBox.Ok, QMessageBox.Ok)

  1272.             return

  1273. 

  1274.         if not self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, filename, name, label, 0, None, PLUGIN_OPTIONS_NULL):

  1275.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1276.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1277. 

  1278.     # --------------------------------------------------------------------------------------------------------

  1279.     # Plugins (macros)

  1280. 

  1281.     @pyqtSlot()

  1282.     def slot_pluginsEnable(self):

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

  1284.             return

  1285. 

  1286.         for pitem in self.fPluginList:

  1287.             if pitem is None:

  1288.                 break

  1289. 

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

  1291. 

  1292.     @pyqtSlot()

  1293.     def slot_pluginsDisable(self):

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

  1295.             return

  1296. 

  1297.         for pitem in self.fPluginList:

  1298.             if pitem is None:

  1299.                 break

  1300. 

  1301.             pitem.getWidget().setActive(False, True, True)

  1302. 

  1303.     @pyqtSlot()

  1304.     def slot_pluginsVolume100(self):

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

  1306.             return

  1307. 

  1308.         for pitem in self.fPluginList:

  1309.             if pitem is None:

  1310.                 break

  1311. 

  1312.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 1.0)

  1313. 

  1314.     @pyqtSlot()

  1315.     def slot_pluginsMute(self):

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

  1317.             return

  1318. 

  1319.         for pitem in self.fPluginList:

  1320.             if pitem is None:

  1321.                 break

  1322. 

  1323.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 0.0)

  1324. 

  1325.     @pyqtSlot()

  1326.     def slot_pluginsWet100(self):

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

  1328.             return

  1329. 

  1330.         for pitem in self.fPluginList:

  1331.             if pitem is None:

  1332.                 break

  1333. 

  1334.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 1.0)

  1335. 

  1336.     @pyqtSlot()

  1337.     def slot_pluginsBypass(self):

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

  1339.             return

  1340. 

  1341.         for pitem in self.fPluginList:

  1342.             if pitem is None:

  1343.                 break

  1344. 

  1345.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 0.0)

  1346. 

  1347.     @pyqtSlot()

  1348.     def slot_pluginsCenter(self):

  1349.         if not self.host.is_engine_running():

  1350.             return

  1351. 

  1352.         for pitem in self.fPluginList:

  1353.             if pitem is None:

  1354.                 break

  1355. 

  1356.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1357.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1358.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1359. 

  1360.     @pyqtSlot()

  1361.     def slot_pluginsCompact(self):

  1362.         for pitem in self.fPluginList:

  1363.             if pitem is None:

  1364.                 break

  1365.             pitem.compact()

  1366. 

  1367.     @pyqtSlot()

  1368.     def slot_pluginsExpand(self):

  1369.         for pitem in self.fPluginList:

  1370.             if pitem is None:

  1371.                 break

  1372.             pitem.expand()

  1373. 

  1374.     # --------------------------------------------------------------------------------------------------------

  1375.     # Plugins (host callbacks)

  1376. 

  1377.     @pyqtSlot(int, str)

  1378.     def slot_handlePluginAddedCallback(self, pluginId, pluginName):

  1379.         if pluginId != self.fPluginCount:

  1380.             print("ERROR: pluginAdded mismatch Id:", pluginId, self.fPluginCount)

  1381.             pitem = self.getPluginItem(pluginId)

  1382.             pitem.recreateWidget()

  1383.             return

  1384. 

  1385.         pitem = self.ui.listWidget.createItem(pluginId)

  1386.         self.fPluginList.append(pitem)

  1387.         self.fPluginCount += 1

  1388. 

  1389.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1390. 

  1391.     @pyqtSlot(int)

  1392.     def slot_handlePluginRemovedCallback(self, pluginId):

  1393.         patchcanvas.handlePluginRemoved(pluginId)

  1394. 

  1395.         if pluginId in self.fSelectedPlugins:

  1396.             self.clearSideStuff()

  1397. 

  1398.         if self.fPluginCount == 0:

  1399.             return

  1400. 

  1401.         pitem = self.getPluginItem(pluginId)

  1402. 

  1403.         self.fPluginCount -= 1

  1404.         self.fPluginList.pop(pluginId)

  1405.         self.ui.listWidget.takeItem(pluginId)

  1406. 

  1407.         if pitem is not None:

  1408.             pitem.close()

  1409.             del pitem

  1410. 

  1411.         if self.fPluginCount == 0:

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

  1413.             if self.fCurrentlyRemovingAllPlugins:

  1414.                 self.fCurrentlyRemovingAllPlugins = False

  1415.                 self.projectLoadingFinished()

  1416.             return

  1417. 

  1418.         # push all plugins 1 slot back

  1419.         for i in range(pluginId, self.fPluginCount):

  1420.             pitem = self.fPluginList[i]

  1421.             pitem.setPluginId(i)

  1422. 

  1423.         self.ui.act_plugin_remove_all.setEnabled(True)

  1424. 

  1425.     # --------------------------------------------------------------------------------------------------------

  1426.     # Canvas

  1427. 

  1428.     def clearSideStuff(self):

  1429.         if self.fWithCanvas:

  1430.             self.scene.clearSelection()

  1431. 

  1432.         self.fSelectedPlugins = []

  1433. 

  1434.         self.ui.keyboard.allNotesOff(False)

  1435.         self.ui.scrollArea.setEnabled(False)

  1436. 

  1437.         self.fPeaksCleared = True

  1438.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1439.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1440.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1441.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1442. 

  1443.     def setupCanvas(self):

  1444.         pOptions = patchcanvas.options_t()

  1445.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1446.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1447.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1448.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1449.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1450.         pOptions.inline_displays   = self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS]

  1451. 

  1452.         if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY]:

  1453.             pOptions.eyecandy = patchcanvas.EYECANDY_FULL

  1454.         elif self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]:

  1455.             pOptions.eyecandy = patchcanvas.EYECANDY_SMALL

  1456.         else:

  1457.             pOptions.eyecandy = patchcanvas.EYECANDY_NONE

  1458. 

  1459.         pFeatures = patchcanvas.features_t()

  1460.         pFeatures.group_info   = False

  1461.         pFeatures.group_rename = False

  1462.         pFeatures.port_info    = False

  1463.         pFeatures.port_rename  = False

  1464.         pFeatures.handle_group_pos = False

  1465. 

  1466.         patchcanvas.setOptions(pOptions)

  1467.         patchcanvas.setFeatures(pFeatures)

  1468.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1469. 

  1470.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1471. 

  1472.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1473.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1474.             self.fCanvasHeight = int(tryCanvasSize[1])

  1475.         else:

  1476.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1477.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1478. 

  1479.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1480.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1481.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1482. 

  1483.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1484.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1485. 

  1486.         if self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] != patchcanvas.ANTIALIASING_NONE:

  1487.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, True)

  1488. 

  1489.             fullAA = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] == patchcanvas.ANTIALIASING_FULL

  1490.             self.ui.graphicsView.setRenderHint(QPainter.SmoothPixmapTransform, fullAA)

  1491.             self.ui.graphicsView.setRenderHint(QPainter.TextAntialiasing, fullAA)

  1492. 

  1493.             if self.fSavedSettings[CARLA_KEY_CANVAS_USE_OPENGL] and hasGL:

  1494.                 self.ui.graphicsView.setRenderHint(QPainter.HighQualityAntialiasing, self.fSavedSettings[CARLA_KEY_CANVAS_HQ_ANTIALIASING])

  1495. 

  1496.         else:

  1497.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, False)

  1498. 

  1499.         if self.fSavedSettings[CARLA_KEY_CANVAS_FULL_REPAINTS]:

  1500.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.FullViewportUpdate)

  1501.         else:

  1502.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.MinimalViewportUpdate)

  1503. 

  1504.     def updateCanvasInitialPos(self):

  1505.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1506.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1507.         patchcanvas.setInitialPos(x, y)

  1508. 

  1509.     def updateMiniCanvasLater(self):

  1510.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1511. 

  1512.     # --------------------------------------------------------------------------------------------------------

  1513.     # Canvas (menu actions)

  1514. 

  1515.     @pyqtSlot()

  1516.     def slot_canvasShowInternal(self):

  1517.         self.fExternalPatchbay = False

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

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

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

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

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

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

  1524.         self.slot_canvasRefresh()

  1525. 

  1526.     @pyqtSlot()

  1527.     def slot_canvasShowExternal(self):

  1528.         self.fExternalPatchbay = True

  1529.         self.ui.act_canvas_show_internal.blockSignals(True)

  1530.         self.ui.act_canvas_show_external.blockSignals(True)

  1531.         self.ui.act_canvas_show_internal.setChecked(False)

  1532.         self.ui.act_canvas_show_external.setChecked(True)

  1533.         self.ui.act_canvas_show_internal.blockSignals(False)

  1534.         self.ui.act_canvas_show_external.blockSignals(False)

  1535.         self.slot_canvasRefresh()

  1536. 

  1537.     @pyqtSlot()

  1538.     def slot_canvasArrange(self):

  1539.         patchcanvas.arrange()

  1540. 

  1541.     @pyqtSlot()

  1542.     def slot_canvasRefresh(self):

  1543.         patchcanvas.clear()

  1544. 

  1545.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1546.             return

  1547. 

  1548.         if self.host.is_engine_running():

  1549.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1550. 

  1551.         self.updateMiniCanvasLater()

  1552. 

  1553.     @pyqtSlot()

  1554.     def slot_canvasZoomFit(self):

  1555.         self.scene.zoom_fit()

  1556. 

  1557.     @pyqtSlot()

  1558.     def slot_canvasZoomIn(self):

  1559.         self.scene.zoom_in()

  1560. 

  1561.     @pyqtSlot()

  1562.     def slot_canvasZoomOut(self):

  1563.         self.scene.zoom_out()

  1564. 

  1565.     @pyqtSlot()

  1566.     def slot_canvasZoomReset(self):

  1567.         self.scene.zoom_reset()

  1568. 

  1569.     @pyqtSlot()

  1570.     def slot_canvasSaveImage(self):

  1571.         if self.fProjectFilename:

  1572.             dir = QFileInfo(self.fProjectFilename).absoluteDir().absolutePath()

  1573.         else:

  1574.             dir = self.fSavedSettings[CARLA_KEY_MAIN_PROJECT_FOLDER]

  1575. 

  1576.         fileDialog = QFileDialog(self)

  1577.         fileDialog.setAcceptMode(QFileDialog.AcceptSave)

  1578.         fileDialog.setDirectory(dir)

  1579.         fileDialog.setFileMode(QFileDialog.AnyFile)

  1580.         fileDialog.setMimeTypeFilters(("image/png", "image/jpeg"))

  1581.         fileDialog.setNameFilter(self.tr("Images (*.png *.jpg)"))

  1582.         fileDialog.setOptions(QFileDialog.DontUseCustomDirectoryIcons)

  1583.         fileDialog.setWindowTitle(self.tr("Save Image"))

  1584. 

  1585.         ok = fileDialog.exec_()

  1586. 

  1587.         if not ok:

  1588.             return

  1589. 

  1590.         newPath = fileDialog.selectedFiles()

  1591. 

  1592.         if len(newPath) != 1:

  1593.             return

  1594. 

  1595.         newPath = newPath[0]

  1596. 

  1597.         if QT_VERSION >= 0x50900:

  1598.             if fileDialog.selectedMimeTypeFilter() == "image/jpeg":

  1599.                 imgFormat = b"JPG"

  1600.             else:

  1601.                 imgFormat = b"PNG"

  1602.         else:

  1603.             if newPath.lower().endswith((".jpg", ".jpeg")):

  1604.                 imgFormat = b"JPG"

  1605.             else:

  1606.                 imgFormat = b"PNG"

  1607. 

  1608.         sender = self.sender()

  1609.         if sender == self.ui.act_canvas_save_image_2x:

  1610.             zoom = 2.0

  1611.         elif sender == self.ui.act_canvas_save_image_4x:

  1612.             zoom = 4.0

  1613.         else:

  1614.             zoom = 1.0

  1615. 

  1616.         image   = QImage(self.scene.width()*zoom, self.scene.height()*zoom, QImage.Format_RGB32)

  1617.         painter = QPainter(image)

  1618.         painter.save()

  1619.         painter.setRenderHints(painter.renderHints() | QPainter.Antialiasing | QPainter.TextAntialiasing)

  1620.         self.scene.clearSelection()

  1621.         self.scene.render(painter)

  1622.         painter.restore()

  1623.         del painter

  1624. 

  1625.         iw = QImageWriter(newPath)

  1626.         iw.setFormat(imgFormat)

  1627.         iw.setCompression(-1)

  1628. 

  1629.         if QT_VERSION >= 0x50500:

  1630.             iw.setOptimizedWrite(True)

  1631. 

  1632.         iw.write(image)

  1633. 

  1634.     @pyqtSlot()

  1635.     def slot_canvasCopyToClipboard(self):

  1636.         image   = QImage(self.scene.width(), self.scene.height(), QImage.Format_RGB32)

  1637.         painter = QPainter(image)

  1638.         painter.save()

  1639.         painter.setRenderHints(painter.renderHints() | QPainter.Antialiasing | QPainter.TextAntialiasing)

  1640.         self.scene.clearSelection()

  1641.         self.scene.render(painter)

  1642.         painter.restore()

  1643.         del painter

  1644. 

  1645.         QApplication.clipboard().setImage(image)

  1646. 

  1647.     # --------------------------------------------------------------------------------------------------------

  1648.     # Canvas (canvas callbacks)

  1649. 

  1650.     @pyqtSlot()

  1651.     def slot_canvasSelectionChanged(self):

  1652.         self.updateMiniCanvasLater()

  1653. 

  1654.     @pyqtSlot(float)

  1655.     def slot_canvasScaleChanged(self, scale):

  1656.         self.ui.miniCanvasPreview.setViewScale(scale)

  1657. 

  1658.     @pyqtSlot(list)

  1659.     def slot_canvasPluginSelected(self, pluginList):

  1660.         self.ui.keyboard.allNotesOff(False)

  1661.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1662.         self.fSelectedPlugins = pluginList

  1663. 

  1664.     # --------------------------------------------------------------------------------------------------------

  1665.     # Canvas (host callbacks)

  1666. 

  1667.     @pyqtSlot(int, int, int, str)

  1668.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1669.         pcSplit = patchcanvas.SPLIT_UNDEF

  1670.         pcIcon  = patchcanvas.ICON_APPLICATION

  1671. 

  1672.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1673.             pcIcon = patchcanvas.ICON_PLUGIN

  1674.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1675.             pcIcon = patchcanvas.ICON_HARDWARE

  1676.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1677.             pass

  1678.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1679.             pcIcon = patchcanvas.ICON_DISTRHO

  1680.         elif clientIcon == PATCHBAY_ICON_FILE:

  1681.             pcIcon = patchcanvas.ICON_FILE

  1682. 

  1683.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1684. 

  1685.         self.updateMiniCanvasLater()

  1686. 

  1687.         if pluginId < 0:

  1688.             return

  1689.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1690.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1691.             return

  1692. 

  1693.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1694.             hasCustomUI = False

  1695.             hasInlineDisplay = False

  1696.         else:

  1697.             hints = self.host.get_plugin_info(pluginId)['hints']

  1698.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1699.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1700. 

  1701.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1702. 

  1703.     @pyqtSlot(int)

  1704.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1705.         patchcanvas.removeGroup(clientId)

  1706.         self.updateMiniCanvasLater()

  1707. 

  1708.     @pyqtSlot(int, str)

  1709.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1710.         patchcanvas.renameGroup(clientId, newClientName)

  1711.         self.updateMiniCanvasLater()

  1712. 

  1713.     @pyqtSlot(int, int, int)

  1714.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1715.         pcIcon = patchcanvas.ICON_APPLICATION

  1716. 

  1717.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1718.             pcIcon = patchcanvas.ICON_PLUGIN

  1719.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1720.             pcIcon = patchcanvas.ICON_HARDWARE

  1721.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1722.             pass

  1723.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1724.             pcIcon = patchcanvas.ICON_DISTRHO

  1725.         elif clientIcon == PATCHBAY_ICON_FILE:

  1726.             pcIcon = patchcanvas.ICON_FILE

  1727. 

  1728.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1729.         self.updateMiniCanvasLater()

  1730. 

  1731.         if pluginId < 0:

  1732.             return

  1733.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1734.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1735.             return

  1736. 

  1737.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1738.             hasCustomUI = False

  1739.             hasInlineDisplay = False

  1740.         else:

  1741.             hints = self.host.get_plugin_info(pluginId)['hints']

  1742.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1743.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1744. 

  1745.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1746. 

  1747.     @pyqtSlot(int, int, int, int, int)

  1748.     def slot_handlePatchbayClientPositionChangedCallback(self, clientId, x1, y1, x2, y2):

  1749.         if (x1 != 0 and x2 != 0) or (y1 != 0 and y2 != 0):

  1750.             patchcanvas.splitGroup(clientId)

  1751.         else:

  1752.             patchcanvas.joinGroup(clientId)

  1753.         patchcanvas.setGroupPosFull(clientId, x1, y1, x2, y2)

  1754.         self.updateMiniCanvasLater()

  1755. 

  1756.     @pyqtSlot(int, int, int, int, str)

  1757.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portGroupId, portName):

  1758.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1759.             portMode = patchcanvas.PORT_MODE_INPUT

  1760.         else:

  1761.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1762. 

  1763.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1764.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1765.             isAlternate = False

  1766.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1767.             portType    = patchcanvas.PORT_TYPE_PARAMETER

  1768.             isAlternate = False

  1769.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1770.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1771.             isAlternate = False

  1772.         else:

  1773.             portType    = patchcanvas.PORT_TYPE_NULL

  1774.             isAlternate = False

  1775. 

  1776.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1777.         self.updateMiniCanvasLater()

  1778. 

  1779.     @pyqtSlot(int, int)

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

  1781.         patchcanvas.removePort(groupId, portId)

  1782.         self.updateMiniCanvasLater()

  1783. 

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

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

  1786.         patchcanvas.renamePort(groupId, portId, newPortName)

  1787.         self.updateMiniCanvasLater()

  1788. 

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

  1790.     def slot_handlePatchbayPortGroupAddedCallback(self, groupId, portId, portGroupId, newPortName):

  1791.         # TODO

  1792.         pass

  1793. 

  1794.     @pyqtSlot(int, int)

  1795.     def slot_handlePatchbayPortGroupRemovedCallback(self, groupId, portId):

  1796.         # TODO

  1797.         pass

  1798. 

  1799.     @pyqtSlot(int, int, int, str)

  1800.     def slot_handlePatchbayPortGroupChangedCallback(self, groupId, portId, portGroupId, newPortName):

  1801.         # TODO

  1802.         pass

  1803. 

  1804.     @pyqtSlot(int, int, int, int, int)

  1805.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1806.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1807.         self.updateMiniCanvasLater()

  1808. 

  1809.     @pyqtSlot(int, int, int)

  1810.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1811.         patchcanvas.disconnectPorts(connectionId)

  1812.         self.updateMiniCanvasLater()

  1813. 

  1814.     # --------------------------------------------------------------------------------------------------------

  1815.     # Settings

  1816. 

  1817.     def saveSettings(self):

  1818.         settings = QSafeSettings()

  1819. 

  1820.         settings.setValue("Geometry", self.saveGeometry())

  1821.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  1822. 

  1823.         if not self.host.isControl:

  1824.             settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  1825. 

  1826.         diskFolders = []

  1827. 

  1828.         for i in range(self.ui.cb_disk.count()):

  1829.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1830. 

  1831.         settings.setValue("DiskFolders", diskFolders)

  1832.         settings.setValue("LastBPM", self.fLastTransportBPM)

  1833. 

  1834.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1835.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1836.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1837.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1838. 

  1839.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_MODE,  self.host.transportMode)

  1840.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, self.host.transportExtra)

  1841. 

  1842.         return settings

  1843. 

  1844.     def loadSettings(self, firstTime):

  1845.         settings = QSafeSettings()

  1846. 

  1847.         if firstTime:

  1848.             geometry = settings.value("Geometry", QByteArray(), QByteArray)

  1849.             if not geometry.isNull():

  1850.                 self.restoreGeometry(geometry)

  1851. 

  1852.             showToolbar = settings.value("ShowToolbar", True, bool)

  1853.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1854.             self.ui.toolBar.setEnabled(showToolbar)

  1855.             self.ui.toolBar.setVisible(showToolbar)

  1856. 

  1857.             #if settings.contains("SplitterState"):

  1858.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  1859.             #else:

  1860.                 #self.ui.splitter.setSizes([210, 99999])

  1861. 

  1862.             showSidePanel = settings.value("ShowSidePanel", True, bool) and not self.host.isControl

  1863.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  1864.             self.slot_showSidePanel(showSidePanel)

  1865. 

  1866.             diskFolders = settings.value("DiskFolders", [HOME], list)

  1867. 

  1868.             self.ui.cb_disk.setItemData(0, HOME)

  1869. 

  1870.             for i in range(len(diskFolders)):

  1871.                 if i == 0: continue

  1872.                 folder = diskFolders[i]

  1873.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1874. 

  1875.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, bool):

  1876.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1877. 

  1878.             showMeters = settings.value("ShowMeters", True, bool)

  1879.             self.ui.act_settings_show_meters.setChecked(showMeters)

  1880.             self.ui.peak_in.setVisible(showMeters)

  1881.             self.ui.peak_out.setVisible(showMeters)

  1882. 

  1883.             showKeyboard = settings.value("ShowKeyboard", True, bool)

  1884.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  1885.             self.ui.scrollArea.setVisible(showKeyboard)

  1886. 

  1887.             settingsDBf = QSafeSettings("falkTX", "CarlaDatabase2")

  1888.             self.fFavoritePlugins = settingsDBf.value("PluginDatabase/Favorites", [], list)

  1889. 

  1890.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  1891. 

  1892.         # TODO - complete this

  1893. 

  1894.         self.fSavedSettings = {

  1895.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      str),

  1896.             CARLA_KEY_MAIN_CONFIRM_EXIT:        settings.value(CARLA_KEY_MAIN_CONFIRM_EXIT,        CARLA_DEFAULT_MAIN_CONFIRM_EXIT,        bool),

  1897.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    int),

  1898.             CARLA_KEY_MAIN_EXPERIMENTAL:        settings.value(CARLA_KEY_MAIN_EXPERIMENTAL,        CARLA_DEFAULT_MAIN_EXPERIMENTAL,        bool),

  1899.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             str),

  1900.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              str),

  1901.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  bool),

  1902.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, bool),

  1903.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  bool),

  1904.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         bool),

  1905.             CARLA_KEY_CANVAS_FANCY_EYE_CANDY:   settings.value(CARLA_KEY_CANVAS_FANCY_EYE_CANDY,   CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY,   bool),

  1906.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        bool),

  1907.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      int),

  1908.             CARLA_KEY_CANVAS_HQ_ANTIALIASING:   settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   bool),

  1909.             CARLA_KEY_CANVAS_FULL_REPAINTS:     settings.value(CARLA_KEY_CANVAS_FULL_REPAINTS,     CARLA_DEFAULT_CANVAS_FULL_REPAINTS,     bool),

  1910.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   bool) and

  1911.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", str).lower() == "black"),

  1912.         }

  1913. 

  1914.         if not self.host.isControl:

  1915.             self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS] = settings.value(CARLA_KEY_CANVAS_INLINE_DISPLAYS, CARLA_DEFAULT_CANVAS_INLINE_DISPLAYS, bool)

  1916.         else:

  1917.             self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS] = False

  1918. 

  1919.         settings2 = QSafeSettings("falkTX", "Carla2")

  1920. 

  1921.         if self.host.experimental:

  1922.             visible = settings2.value(CARLA_KEY_EXPERIMENTAL_JACK_APPS, CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS, bool)

  1923.             self.ui.act_plugin_add_jack.setVisible(visible)

  1924.         else:

  1925.             self.ui.act_plugin_add_jack.setVisible(False)

  1926. 

  1927.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY] else 0

  1928. 

  1929.         setEngineSettings(self.host)

  1930.         self.restartTimersIfNeeded()

  1931. 

  1932.         return settings

  1933. 

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

  1935.     # Settings (helpers)

  1936. 

  1937.     def enableTransport(self, enabled):

  1938.         self.ui.group_transport_controls.setEnabled(enabled)

  1939.         self.ui.group_transport_settings.setEnabled(enabled)

  1940. 

  1941.     @pyqtSlot()

  1942.     def slot_restoreCanvasScrollbarValues(self):

  1943.         settings = QSafeSettings()

  1944.         horiz = settings.value("HorizontalScrollBarValue", int(self.ui.graphicsView.horizontalScrollBar().maximum()/2), int)

  1945.         vertc = settings.value("VerticalScrollBarValue", int(self.ui.graphicsView.verticalScrollBar().maximum()/2), int)

  1946.         self.ui.graphicsView.horizontalScrollBar().setValue(horiz)

  1947.         self.ui.graphicsView.verticalScrollBar().setValue(vertc)

  1948. 

  1949.     # --------------------------------------------------------------------------------------------------------

  1950.     # Settings (menu actions)

  1951. 

  1952.     @pyqtSlot(bool)

  1953.     def slot_showSidePanel(self, yesNo):

  1954.         self.ui.dockWidget.setEnabled(yesNo)

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

  1956. 

  1957.     @pyqtSlot(bool)

  1958.     def slot_showToolbar(self, yesNo):

  1959.         self.ui.toolBar.setEnabled(yesNo)

  1960.         self.ui.toolBar.setVisible(yesNo)

  1961. 

  1962.     @pyqtSlot(bool)

  1963.     def slot_showCanvasMeters(self, yesNo):

  1964.         self.ui.peak_in.setVisible(yesNo)

  1965.         self.ui.peak_out.setVisible(yesNo)

  1966.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1967. 

  1968.     @pyqtSlot(bool)

  1969.     def slot_showCanvasKeyboard(self, yesNo):

  1970.         self.ui.scrollArea.setVisible(yesNo)

  1971.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1972. 

  1973.     @pyqtSlot()

  1974.     def slot_configureCarla(self):

  1975.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  1976.         if not dialog.exec_():

  1977.             return

  1978. 

  1979.         self.loadSettings(False)

  1980. 

  1981.         if self.fWithCanvas:

  1982.             patchcanvas.clear()

  1983.             self.setupCanvas()

  1984.             self.slot_miniCanvasCheckAll()

  1985. 

  1986.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1987.             pass

  1988.         elif self.host.is_engine_running():

  1989.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1990. 

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

  1992.     # About (menu actions)

  1993. 

  1994.     @pyqtSlot()

  1995.     def slot_aboutCarla(self):

  1996.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  1997. 

  1998.     @pyqtSlot()

  1999.     def slot_aboutJuce(self):

  2000.         JuceAboutW(self.fParentOrSelf).exec_()

  2001. 

  2002.     @pyqtSlot()

  2003.     def slot_aboutQt(self):

  2004.         QApplication.instance().aboutQt()

  2005. 

  2006.     # --------------------------------------------------------------------------------------------------------

  2007.     # Disk (menu actions)

  2008. 

  2009.     @pyqtSlot(int)

  2010.     def slot_diskFolderChanged(self, index):

  2011.         if index < 0:

  2012.             return

  2013.         elif index == 0:

  2014.             filename = HOME

  2015.             self.ui.b_disk_remove.setEnabled(False)

  2016.         else:

  2017.             filename = self.ui.cb_disk.itemData(index)

  2018.             self.ui.b_disk_remove.setEnabled(True)

  2019. 

  2020.         self.fDirModel.setRootPath(filename)

  2021.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  2022. 

  2023.     @pyqtSlot()

  2024.     def slot_diskFolderAdd(self):

  2025.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  2026. 

  2027.         if newPath:

  2028.             if newPath[-1] == os.sep:

  2029.                 newPath = newPath[:-1]

  2030.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  2031.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  2032.             self.ui.b_disk_remove.setEnabled(True)

  2033. 

  2034.     @pyqtSlot()

  2035.     def slot_diskFolderRemove(self):

  2036.         index = self.ui.cb_disk.currentIndex()

  2037. 

  2038.         if index <= 0:

  2039.             return

  2040. 

  2041.         self.ui.cb_disk.removeItem(index)

  2042. 

  2043.         if self.ui.cb_disk.currentIndex() == 0:

  2044.             self.ui.b_disk_remove.setEnabled(False)

  2045. 

  2046.     @pyqtSlot(QModelIndex)

  2047.     def slot_fileTreeDoubleClicked(self, modelIndex):

  2048.         filename = self.fDirModel.filePath(modelIndex)

  2049. 

  2050.         if not self.ui.listWidget.isDragUrlValid(filename):

  2051.             return

  2052. 

  2053.         if not self.host.load_file(filename):

  2054.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  2055.                              self.tr("Failed to load file"),

  2056.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2057.             return

  2058. 

  2059.         if filename.endswith(".carxp"):

  2060.             self.loadExternalCanvasGroupPositionsIfNeeded(filename)

  2061. 

  2062.     # --------------------------------------------------------------------------------------------------------

  2063.     # Transport

  2064. 

  2065.     def refreshTransport(self, forced = False):

  2066.         if not self.ui.l_transport_time.isVisible():

  2067.             return

  2068.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  2069.             return

  2070. 

  2071.         timeInfo = self.host.get_transport_info()

  2072.         playing  = timeInfo['playing']

  2073.         frame    = timeInfo['frame']

  2074.         bpm      = timeInfo['bpm']

  2075. 

  2076.         if playing != self.fLastTransportState or forced:

  2077.             if playing:

  2078.                 icon = QIcon(":/16x16/media-playback-pause.svgz")

  2079.                 self.ui.b_transport_play.setChecked(True)

  2080.                 self.ui.b_transport_play.setIcon(icon)

  2081.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  2082.             else:

  2083.                 icon = QIcon(":/16x16/media-playback-start.svgz")

  2084.                 self.ui.b_transport_play.setChecked(False)

  2085.                 self.ui.b_transport_play.setIcon(icon)

  2086.                 #self.ui.b_play.setText(self.tr("&Play"))

  2087. 

  2088.             self.fLastTransportState = playing

  2089. 

  2090.         if frame != self.fLastTransportFrame or forced:

  2091.             self.fLastTransportFrame = frame

  2092. 

  2093.             time = frame / self.fSampleRate

  2094.             secs =  time % 60

  2095.             mins = (time / 60) % 60

  2096.             hrs  = (time / 3600) % 60

  2097.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  2098. 

  2099.             frame1 =  frame % 1000

  2100.             frame2 = (frame / 1000) % 1000

  2101.             frame3 = (frame / 1000000) % 1000

  2102.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  2103. 

  2104.             bar  = timeInfo['bar']

  2105.             beat = timeInfo['beat']

  2106.             tick = timeInfo['tick']

  2107.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  2108. 

  2109.         if bpm != self.fLastTransportBPM or forced:

  2110.             self.fLastTransportBPM = bpm

  2111. 

  2112.             if bpm > 0.0:

  2113.                 self.ui.dsb_transport_bpm.blockSignals(True)

  2114.                 self.ui.dsb_transport_bpm.setValue(bpm)

  2115.                 self.ui.dsb_transport_bpm.blockSignals(False)

  2116.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  2117.             else:

  2118.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  2119. 

  2120.     # --------------------------------------------------------------------------------------------------------

  2121.     # Transport (menu actions)

  2122. 

  2123.     @pyqtSlot(bool)

  2124.     def slot_transportPlayPause(self, toggled):

  2125.         if self.host.isPlugin or not self.host.is_engine_running():

  2126.             return

  2127. 

  2128.         if toggled:

  2129.             self.host.transport_play()

  2130.         else:

  2131.             self.host.transport_pause()

  2132. 

  2133.         self.refreshTransport()

  2134. 

  2135.     @pyqtSlot()

  2136.     def slot_transportStop(self):

  2137.         if self.host.isPlugin or not self.host.is_engine_running():

  2138.             return

  2139. 

  2140.         self.host.transport_pause()

  2141.         self.host.transport_relocate(0)

  2142. 

  2143.         self.refreshTransport()

  2144. 

  2145.     @pyqtSlot()

  2146.     def slot_transportBackwards(self):

  2147.         if self.host.isPlugin or not self.host.is_engine_running():

  2148.             return

  2149. 

  2150.         newFrame = self.host.get_current_transport_frame() - 100000

  2151. 

  2152.         if newFrame < 0:

  2153.             newFrame = 0

  2154. 

  2155.         self.host.transport_relocate(newFrame)

  2156. 

  2157.     @pyqtSlot(float)

  2158.     def slot_transportBpmChanged(self, newValue):

  2159.         self.host.transport_bpm(newValue)

  2160. 

  2161.     @pyqtSlot()

  2162.     def slot_transportForwards(self):

  2163.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  2164.             return

  2165. 

  2166.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  2167.         self.host.transport_relocate(newFrame)

  2168. 

  2169.     @pyqtSlot(bool)

  2170.     def slot_transportJackEnabled(self, clicked):

  2171.         if not self.host.is_engine_running():

  2172.             return

  2173.         self.host.transportMode = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  2174.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  2175.                                     self.host.transportMode,

  2176.                                     self.host.transportExtra)

  2177. 

  2178.     @pyqtSlot(bool)

  2179.     def slot_transportLinkEnabled(self, clicked):

  2180.         if not self.host.is_engine_running():

  2181.             return

  2182.         extra = ":link:" if clicked else ""

  2183.         self.host.transportExtra = extra

  2184.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  2185.                                     self.host.transportMode,

  2186.                                     self.host.transportExtra)

  2187. 

  2188.     # --------------------------------------------------------------------------------------------------------

  2189.     # Other

  2190. 

  2191.     @pyqtSlot(bool)

  2192.     def slot_xrunClear(self):

  2193.         self.host.clear_engine_xruns()

  2194. 

  2195.     # --------------------------------------------------------------------------------------------------------

  2196.     # Canvas scrollbars

  2197. 

  2198.     @pyqtSlot(int)

  2199.     def slot_horizontalScrollBarChanged(self, value):

  2200.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  2201.         if maximum == 0:

  2202.             xp = 0

  2203.         else:

  2204.             xp = float(value) / maximum

  2205.         self.ui.miniCanvasPreview.setViewPosX(xp)

  2206.         self.updateCanvasInitialPos()

  2207. 

  2208.     @pyqtSlot(int)

  2209.     def slot_verticalScrollBarChanged(self, value):

  2210.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  2211.         if maximum == 0:

  2212.             yp = 0

  2213.         else:

  2214.             yp = float(value) / maximum

  2215.         self.ui.miniCanvasPreview.setViewPosY(yp)

  2216.         self.updateCanvasInitialPos()

  2217. 

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

  2219.     # Canvas keyboard

  2220. 

  2221.     @pyqtSlot(int)

  2222.     def slot_noteOn(self, note):

  2223.         for pluginId in self.fSelectedPlugins:

  2224.             self.host.send_midi_note(pluginId, 0, note, 100)

  2225. 

  2226.             pedit = self.getPluginEditDialog(pluginId)

  2227.             pedit.noteOn(0, note, 100)

  2228. 

  2229.     @pyqtSlot(int)

  2230.     def slot_noteOff(self, note):

  2231.         for pluginId in self.fSelectedPlugins:

  2232.             self.host.send_midi_note(pluginId, 0, note, 0)

  2233. 

  2234.             pedit = self.getPluginEditDialog(pluginId)

  2235.             pedit.noteOff(0, note)

  2236. 

  2237.     # --------------------------------------------------------------------------------------------------------

  2238.     # Canvas keyboard (host callbacks)

  2239. 

  2240.     @pyqtSlot(int, int, int, int)

  2241.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  2242.         if pluginId in self.fSelectedPlugins:

  2243.             self.ui.keyboard.sendNoteOn(note, False)

  2244. 

  2245.     @pyqtSlot(int, int, int)

  2246.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  2247.         if pluginId in self.fSelectedPlugins:

  2248.             self.ui.keyboard.sendNoteOff(note, False)

  2249. 

  2250.     # --------------------------------------------------------------------------------------------------------

  2251. 

  2252.     @pyqtSlot(int)

  2253.     def slot_handleUpdateCallback(self, pluginId):

  2254.         pitem = self.getPluginItem(pluginId)

  2255. 

  2256.         if pitem is None:

  2257.             return

  2258. 

  2259.         wasCompacted = pitem.isCompacted()

  2260.         isCompacted  = wasCompacted

  2261. 

  2262.         check = self.host.get_custom_data_value(pluginId, CUSTOM_DATA_TYPE_PROPERTY, "CarlaSkinIsCompacted")

  2263.         if not check:

  2264.             return

  2265.         isCompacted = bool(check == "true")

  2266. 

  2267.         if wasCompacted == isCompacted:

  2268.             return

  2269. 

  2270.         pitem.recreateWidget(True)

  2271. 

  2272.     # --------------------------------------------------------------------------------------------------------

  2273.     # MiniCanvas stuff

  2274. 

  2275.     @pyqtSlot()

  2276.     def slot_miniCanvasCheckAll(self):

  2277.         self.slot_miniCanvasCheckSize()

  2278.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  2279.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  2280. 

  2281.     @pyqtSlot()

  2282.     def slot_miniCanvasCheckSize(self):

  2283.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  2284.             return

  2285. 

  2286.         currentIndex = self.ui.tabWidget.currentIndex()

  2287. 

  2288.         if currentIndex == 1:

  2289.             width  = self.ui.graphicsView.width()

  2290.             height = self.ui.graphicsView.height()

  2291.         else:

  2292.             self.ui.tabWidget.blockSignals(True)

  2293.             self.ui.tabWidget.setCurrentIndex(1)

  2294.             width  = self.ui.graphicsView.width()

  2295.             height = self.ui.graphicsView.height()

  2296.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  2297.             self.ui.tabWidget.blockSignals(False)

  2298. 

  2299.         self.scene.updateLimits()

  2300. 

  2301.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  2302. 

  2303.     @pyqtSlot(float, float)

  2304.     def slot_miniCanvasMoved(self, xp, yp):

  2305.         hsb = self.ui.graphicsView.horizontalScrollBar()

  2306.         vsb = self.ui.graphicsView.verticalScrollBar()

  2307.         hsb.setValue(xp * hsb.maximum())

  2308.         vsb.setValue(yp * vsb.maximum())

  2309.         self.updateCanvasInitialPos()

  2310. 

  2311.     # --------------------------------------------------------------------------------------------------------

  2312.     # Logs autoscroll, save and clear

  2313. 

  2314.     @pyqtSlot(int)

  2315.     def slot_toggleLogAutoscroll(self, checkState):

  2316.         self.autoscrollOnNewLog = checkState == Qt.Checked

  2317.         if self.autoscrollOnNewLog:

  2318.             self.ui.text_logs.verticalScrollBar().setValue(self.ui.text_logs.verticalScrollBar().maximum())

  2319. 

  2320.     @pyqtSlot(int)

  2321.     def slot_logSliderMoved(self, slider_pos):

  2322.         if self.ui.text_logs.verticalScrollBar().hasTracking() or self.autoscrollOnNewLog:

  2323.             self.lastLogSliderPos = slider_pos

  2324.         else:

  2325.             self.ui.text_logs.verticalScrollBar().setValue(self.lastLogSliderPos)

  2326. 

  2327.     @pyqtSlot()

  2328.     def slot_logButtonsState(self, enabled=True):

  2329.         self.ui.logs_clear.setEnabled(enabled)

  2330.         self.ui.logs_save.setEnabled(enabled)

  2331. 

  2332.     @pyqtSlot()

  2333.     def slot_logSave(self):

  2334.         filename = os.path.join(self.fSavedSettings[CARLA_KEY_MAIN_PROJECT_FOLDER], 'carla_log.txt')

  2335.         filename, _ = QFileDialog.getSaveFileName(self, self.tr("Save Logs"), filename)

  2336. 

  2337.         if not filename:

  2338.             return

  2339. 

  2340.         try:

  2341.             with open(filename, "w") as logfile:

  2342.                 logfile.write(self.ui.text_logs.toPlainText())

  2343.                 logfile.close()

  2344.         except:

  2345.             return

  2346. 

  2347.     @pyqtSlot()

  2348.     def slot_logClear(self):

  2349.         self.ui.text_logs.clear()

  2350.         self.ui.text_logs.appendPlainText("======= Logs cleared ========")

  2351.         self.slot_logButtonsState(False)

  2352. 

  2353.     # --------------------------------------------------------------------------------------------------------

  2354.     # Timers

  2355. 

  2356.     def startTimers(self):

  2357.         if self.fIdleTimerFast == 0:

  2358.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2359. 

  2360.         if self.fIdleTimerSlow == 0:

  2361.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2362. 

  2363.     def restartTimersIfNeeded(self):

  2364.         if self.fIdleTimerFast != 0:

  2365.             self.killTimer(self.fIdleTimerFast)

  2366.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2367. 

  2368.         if self.fIdleTimerSlow != 0:

  2369.             self.killTimer(self.fIdleTimerSlow)

  2370.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2371. 

  2372.     def killTimers(self):

  2373.         if self.fIdleTimerFast != 0:

  2374.             self.killTimer(self.fIdleTimerFast)

  2375.             self.fIdleTimerFast = 0

  2376. 

  2377.         if self.fIdleTimerSlow != 0:

  2378.             self.killTimer(self.fIdleTimerSlow)

  2379.             self.fIdleTimerSlow = 0

  2380. 

  2381.     # --------------------------------------------------------------------------------------------------------

  2382.     # Misc

  2383. 

  2384.     @pyqtSlot(int)

  2385.     def slot_tabChanged(self, index):

  2386.         if index != 1:

  2387.             return

  2388. 

  2389.         self.ui.graphicsView.setFocus()

  2390. 

  2391.     @pyqtSlot(int)

  2392.     def slot_handleReloadAllCallback(self, pluginId):

  2393.         if pluginId >= self.fPluginCount:

  2394.             return

  2395. 

  2396.         pitem = self.fPluginList[pluginId]

  2397.         if pitem is None:

  2398.             return

  2399. 

  2400.         pitem.recreateWidget()

  2401. 

  2402.     # --------------------------------------------------------------------------------------------------------

  2403. 

  2404.     @pyqtSlot(int, int, str)

  2405.     def slot_handleNSMCallback(self, opcode, valueInt, valueStr):

  2406.         if opcode == NSM_CALLBACK_INIT:

  2407.             return

  2408. 

  2409.         # Error

  2410.         elif opcode == NSM_CALLBACK_ERROR:

  2411.             pass

  2412. 

  2413.         # Reply

  2414.         elif opcode == NSM_CALLBACK_ANNOUNCE:

  2415.             self.fFirstEngineInit    = False

  2416.             self.fSessionManagerName = valueStr

  2417.             self.setProperWindowTitle()

  2418. 

  2419.             # If NSM server does not support optional-gui, revert our initial assumptions that it does

  2420.             if (valueInt & (1 << 1)) == 0x0:

  2421.                 self.fWindowCloseHideGui = False

  2422.                 self.ui.act_file_quit.setText(self.tr("&Quit"))

  2423.                 QApplication.instance().setQuitOnLastWindowClosed(True)

  2424.                 self.show()

  2425. 

  2426.         # Open

  2427.         elif opcode == NSM_CALLBACK_OPEN:

  2428.             self.fClientName      = os.path.basename(valueStr)

  2429.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  2430.             self.setProperWindowTitle()

  2431. 

  2432.             self.fCustomStopAction = self.CUSTOM_ACTION_PROJECT_LOAD

  2433.             self.slot_engineStop(True)

  2434.             return

  2435. 

  2436.         # Save

  2437.         elif opcode == NSM_CALLBACK_SAVE:

  2438.             self.saveProjectNow()

  2439. 

  2440.         # Session is Loaded

  2441.         elif opcode == NSM_CALLBACK_SESSION_IS_LOADED:

  2442.             pass

  2443. 

  2444.         # Show Optional Gui

  2445.         elif opcode == NSM_CALLBACK_SHOW_OPTIONAL_GUI:

  2446.             self.show()

  2447. 

  2448.         # Hide Optional Gui

  2449.         elif opcode == NSM_CALLBACK_HIDE_OPTIONAL_GUI:

  2450.             self.hideForNSM()

  2451. 

  2452.         self.host.nsm_ready(opcode)

  2453. 

  2454.     # --------------------------------------------------------------------------------------------------------

  2455. 

  2456.     def fixLogText(self, text):

  2457.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  2458. 

  2459.     @pyqtSlot(int, int, int, int, float, str)

  2460.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valuef, valueStr):

  2461.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  2462. 

  2463.     @pyqtSlot(str)

  2464.     def slot_handleInfoCallback(self, info):

  2465.         QMessageBox.information(self, "Information", info)

  2466. 

  2467.     @pyqtSlot(str)

  2468.     def slot_handleErrorCallback(self, error):

  2469.         QMessageBox.critical(self, "Error", error)

  2470. 

  2471.     @pyqtSlot()

  2472.     def slot_handleQuitCallback(self):

  2473.         self.fIsProjectLoading = False

  2474.         self.killTimers()

  2475.         self.removeAllPlugins()

  2476.         self.projectLoadingFinished()

  2477. 

  2478.     @pyqtSlot(int)

  2479.     def slot_handleInlineDisplayRedrawCallback(self, pluginId):

  2480.         # FIXME

  2481.         if self.fIdleTimerSlow != 0 and self.fIdleTimerFast != 0 and pluginId < self.fPluginCount and not self.fIsProjectLoading:

  2482.             patchcanvas.redrawPluginGroup(pluginId)

  2483. 

  2484.     # --------------------------------------------------------------------------------------------------------

  2485. 

  2486.     @pyqtSlot()

  2487.     def slot_handleSIGUSR1(self):

  2488.         print("Got SIGUSR1 -> Saving project now")

  2489.         self.slot_fileSave()

  2490. 

  2491.     @pyqtSlot()

  2492.     def slot_handleSIGTERM(self):

  2493.         print("Got SIGTERM -> Closing now")

  2494.         self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2495.         self.close()

  2496. 

  2497.     # --------------------------------------------------------------------------------------------------------

  2498.     # Internal stuff

  2499. 

  2500.     def getExtraPtr(self, plugin):

  2501.         ptype = plugin['type']

  2502. 

  2503.         if ptype == PLUGIN_LADSPA:

  2504.             uniqueId = plugin['uniqueId']

  2505. 

  2506.             self.maybeLoadRDFs()

  2507. 

  2508.             for rdfItem in self.fLadspaRdfList:

  2509.                 if rdfItem.UniqueID == uniqueId:

  2510.                     return pointer(rdfItem)

  2511. 

  2512.         elif ptype == PLUGIN_SF2:

  2513.             if plugin['name'].lower().endswith(" (16 outputs)"):

  2514.                 return self._true

  2515. 

  2516.         return None

  2517. 

  2518.     def maybeLoadRDFs(self):

  2519.         if not self.fLadspaRdfNeedsUpdate:

  2520.             return

  2521. 

  2522.         self.fLadspaRdfNeedsUpdate = False

  2523.         self.fLadspaRdfList = []

  2524. 

  2525.         if not haveLRDF:

  2526.             return

  2527. 

  2528.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  2529.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  2530. 

  2531.         if os.path.exists(frLadspaFile):

  2532.             frLadspa = open(frLadspaFile, 'r')

  2533. 

  2534.             try:

  2535.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  2536.             except:

  2537.                 pass

  2538. 

  2539.             frLadspa.close()

  2540. 

  2541.     # --------------------------------------------------------------------------------------------------------

  2542. 

  2543.     def getPluginCount(self):

  2544.         return self.fPluginCount

  2545. 

  2546.     def getPluginItem(self, pluginId):

  2547.         if pluginId >= self.fPluginCount:

  2548.             return None

  2549. 

  2550.         pitem = self.fPluginList[pluginId]

  2551.         if pitem is None:

  2552.             return None

  2553.         #if False:

  2554.             #return CarlaRackItem(self, 0, False)

  2555. 

  2556.         return pitem

  2557. 

  2558.     def getPluginEditDialog(self, pluginId):

  2559.         if pluginId >= self.fPluginCount:

  2560.             return None

  2561. 

  2562.         pitem = self.fPluginList[pluginId]

  2563.         if pitem is None:

  2564.             return None

  2565.         if False:

  2566.             return PluginEdit(self, self.host, 0)

  2567. 

  2568.         return pitem.getEditDialog()

  2569. 

  2570.     def getPluginSlotWidget(self, pluginId):

  2571.         if pluginId >= self.fPluginCount:

  2572.             return None

  2573. 

  2574.         pitem = self.fPluginList[pluginId]

  2575.         if pitem is None:

  2576.             return None

  2577.         #if False:

  2578.             #return AbstractPluginSlot()

  2579. 

  2580.         return pitem.getWidget()

  2581. 

  2582.     # --------------------------------------------------------------------------------------------------------

  2583. 

  2584.     def waitForPendingEvents(self):

  2585.         pass

  2586. 

  2587.     # --------------------------------------------------------------------------------------------------------

  2588.     # show/hide event

  2589. 

  2590.     def showEvent(self, event):

  2591.         self.getAndRefreshRuntimeInfo()

  2592.         self.refreshTransport(True)

  2593.         QMainWindow.showEvent(self, event)

  2594. 

  2595.         if QT_VERSION >= 0x50600:

  2596.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_UI_SCALE, int(self.devicePixelRatioF() * 1000), "")

  2597.             print("Frontend pixel ratio is", self.devicePixelRatioF())

  2598. 

  2599.         # set our gui as parent for all plugins UIs

  2600.         if self.host.manageUIs and not self.host.isControl:

  2601.             if MACOS:

  2602.                 nsViewPtr = int(self.winId())

  2603.                 winIdStr  = "%x" % gCarla.utils.cocoa_get_window(nsViewPtr)

  2604.             else:

  2605.                 winIdStr = "%x" % int(self.winId())

  2606.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2607. 

  2608.     def hideEvent(self, event):

  2609.         # disable parent

  2610.         if not self.host.isControl:

  2611.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2612. 

  2613.         QMainWindow.hideEvent(self, event)

  2614. 

  2615.     # --------------------------------------------------------------------------------------------------------

  2616.     # resize event

  2617. 

  2618.     def resizeEvent(self, event):

  2619.         QMainWindow.resizeEvent(self, event)

  2620. 

  2621.         if self.fWithCanvas:

  2622.             self.slot_miniCanvasCheckSize()

  2623. 

  2624.     # --------------------------------------------------------------------------------------------------------

  2625.     # timer event

  2626. 

  2627.     def refreshRuntimeInfo(self, load, xruns):

  2628.         txt1 = str(xruns) if (xruns >= 0) else "--"

  2629.         txt2 = "" if (xruns == 1) else "s"

  2630.         self.ui.b_xruns.setText("%s Xrun%s" % (txt1, txt2))

  2631.         self.ui.pb_dsp_load.setValue(int(load))

  2632. 

  2633.     def getAndRefreshRuntimeInfo(self):

  2634.         if not self.ui.pb_dsp_load.isVisible():

  2635.             return

  2636.         if not self.host.is_engine_running():

  2637.             return

  2638.         info = self.host.get_runtime_engine_info()

  2639.         self.refreshRuntimeInfo(info['load'], info['xruns'])

  2640. 

  2641.     def idleFast(self):

  2642.         self.host.engine_idle()

  2643.         self.refreshTransport()

  2644. 

  2645.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2646.             return

  2647. 

  2648.         for pitem in self.fPluginList:

  2649.             if pitem is None:

  2650.                 break

  2651. 

  2652.             pitem.getWidget().idleFast()

  2653. 

  2654.         for pluginId in self.fSelectedPlugins:

  2655.             self.fPeaksCleared = False

  2656.             if self.ui.peak_in.isVisible():

  2657.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2658.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2659.             if self.ui.peak_out.isVisible():

  2660.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2661.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2662.             return

  2663. 

  2664.         if self.fPeaksCleared:

  2665.             return

  2666. 

  2667.         self.fPeaksCleared = True

  2668.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2669.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2670.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2671.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2672. 

  2673.     def idleSlow(self):

  2674.         self.getAndRefreshRuntimeInfo()

  2675. 

  2676.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2677.             return

  2678. 

  2679.         for pitem in self.fPluginList:

  2680.             if pitem is None:

  2681.                 break

  2682. 

  2683.             pitem.getWidget().idleSlow()

  2684. 

  2685.     def timerEvent(self, event):

  2686.         if event.timerId() == self.fIdleTimerFast:

  2687.             self.idleFast()

  2688. 

  2689.         elif event.timerId() == self.fIdleTimerSlow:

  2690.             self.idleSlow()

  2691. 

  2692.         QMainWindow.timerEvent(self, event)

  2693. 

  2694.     # --------------------------------------------------------------------------------------------------------

  2695.     # color/style change event

  2696. 

  2697.     def changeEvent(self, event):

  2698.         if event.type() in (QEvent.PaletteChange, QEvent.StyleChange):

  2699.             self.updateStyle()

  2700.         QMainWindow.changeEvent(self, event)

  2701. 

  2702.     def updateStyle(self):

  2703.         # Rack padding images setup

  2704.         rack_imgL = QImage(":/bitmaps/rack_padding_left.png")

  2705.         rack_imgR = QImage(":/bitmaps/rack_padding_right.png")

  2706. 

  2707.         min_value = 0.07

  2708. 

  2709.         if PYQT_VERSION >= 0x50600:

  2710.             value_fix = 1.0/(1.0-rack_imgL.scaled(1, 1, Qt.IgnoreAspectRatio, Qt.SmoothTransformation).pixelColor(0,0).blackF())

  2711.         else:

  2712.             value_fix = 1.5

  2713. 

  2714.         rack_pal = self.ui.rack.palette()

  2715.         bg_color = rack_pal.window().color()

  2716.         fg_color = rack_pal.text().color()

  2717.         bg_value = 1.0 - bg_color.blackF()

  2718.         if bg_value != 0.0 and bg_value < min_value:

  2719.             pad_color = bg_color.lighter(100*min_value/bg_value*value_fix)

  2720.         else:

  2721.             pad_color = QColor.fromHsvF(0.0, 0.0, min_value*value_fix)

  2722. 

  2723.         painter = QPainter()

  2724.         fillRect = rack_imgL.rect().adjusted(-1,-1,1,1)

  2725. 

  2726.         painter.begin(rack_imgL)

  2727.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2728.         painter.setBrush(pad_color)

  2729.         painter.drawRect(fillRect)

  2730.         painter.end()

  2731.         rack_pixmapL = QPixmap(rack_imgL)

  2732.         self.imgL_palette = QPalette()

  2733.         self.imgL_palette.setBrush(QPalette.Window, QBrush(rack_pixmapL))

  2734.         self.ui.pad_left.setPalette(self.imgL_palette)

  2735.         self.ui.pad_left.setAutoFillBackground(True)

  2736. 

  2737.         painter.begin(rack_imgR)

  2738.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2739.         painter.setBrush(pad_color)

  2740.         painter.drawRect(fillRect)

  2741.         painter.end()

  2742.         rack_pixmapR = QPixmap(rack_imgR)

  2743.         self.imgR_palette = QPalette()

  2744.         self.imgR_palette.setBrush(QPalette.Window, QBrush(rack_pixmapR))

  2745.         self.ui.pad_right.setPalette(self.imgR_palette)

  2746.         self.ui.pad_right.setAutoFillBackground(True)

  2747. 

  2748.         # qt's rgba is actually argb, so convert that

  2749.         bg_color_value = bg_color.rgba()

  2750.         bg_color_value = ((bg_color_value & 0xffffff) << 8) | (bg_color_value >> 24)

  2751. 

  2752.         fg_color_value = fg_color.rgba()

  2753.         fg_color_value = ((fg_color_value & 0xffffff) << 8) | (fg_color_value >> 24)

  2754. 

  2755.         self.host.set_engine_option(ENGINE_OPTION_FRONTEND_BACKGROUND_COLOR, bg_color_value, "")

  2756.         self.host.set_engine_option(ENGINE_OPTION_FRONTEND_FOREGROUND_COLOR, fg_color_value, "")

  2757. 

  2758.     # --------------------------------------------------------------------------------------------------------

  2759.     # paint event

  2760. 

  2761.     #def paintEvent(self, event):

  2762.         #QMainWindow.paintEvent(self, event)

  2763. 

  2764.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2765.             #return

  2766. 

  2767.         #painter = QPainter(self)

  2768.         #painter.setBrush(QColor(36, 36, 36))

  2769.         #painter.setPen(QColor(62, 62, 62))

  2770.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2771. 

  2772.     # --------------------------------------------------------------------------------------------------------

  2773.     # close event

  2774. 

  2775.     def shouldIgnoreClose(self):

  2776.         if self.host.isControl or self.host.isPlugin:

  2777.             return False

  2778.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  2779.             return False

  2780.         if self.fSavedSettings[CARLA_KEY_MAIN_CONFIRM_EXIT]:

  2781.             return QMessageBox.question(self, self.tr("Quit"),

  2782.                                               self.tr("Are you sure you want to quit Carla?"),

  2783.                                               QMessageBox.Yes|QMessageBox.No) == QMessageBox.No

  2784.         return False

  2785. 

  2786.     def closeEvent(self, event):

  2787.         if self.shouldIgnoreClose():

  2788.             event.ignore()

  2789.             return

  2790. 

  2791.         if self.fWindowCloseHideGui and self.fCustomStopAction != self.CUSTOM_ACTION_APP_CLOSE:

  2792.             self.hideForNSM()

  2793.             self.host.nsm_ready(NSM_CALLBACK_HIDE_OPTIONAL_GUI)

  2794.             return

  2795. 

  2796.         patchcanvas.handleAllPluginsRemoved()

  2797. 

  2798.         if MACOS and self.fMacClosingHelper and not (self.host.isControl or self.host.isPlugin):

  2799.             self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2800.             self.fMacClosingHelper = False

  2801.             event.ignore()

  2802. 

  2803.             for i in reversed(range(self.fPluginCount)):

  2804.                 self.host.show_custom_ui(i, False)

  2805. 

  2806.             QTimer.singleShot(100, self.close)

  2807.             return

  2808. 

  2809.         self.killTimers()

  2810.         self.saveSettings()

  2811. 

  2812.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  2813.             if not self.slot_engineStop(True):

  2814.                 self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2815.                 event.ignore()

  2816.                 return

  2817. 

  2818.         QMainWindow.closeEvent(self, event)

  2819. 

  2820.         # if we reach this point, fully close ourselves

  2821.         gCarla.gui = None

  2822.         QApplication.instance().quit()

  2823. 

  2824. # ------------------------------------------------------------------------------------------------

  2825. # Canvas callback

  2826. 

  2827. def canvasCallback(action, value1, value2, valueStr):

  2828.     host = gCarla.gui.host

  2829. 

  2830.     if gCarla.gui.fCustomStopAction == HostWindow.CUSTOM_ACTION_APP_CLOSE:

  2831.         return

  2832. 

  2833.     if action == patchcanvas.ACTION_GROUP_INFO:

  2834.         pass

  2835. 

  2836.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  2837.         pass

  2838. 

  2839.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  2840.         groupId = value1

  2841.         patchcanvas.splitGroup(groupId)

  2842.         gCarla.gui.updateMiniCanvasLater()

  2843. 

  2844.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  2845.         groupId = value1

  2846.         patchcanvas.joinGroup(groupId)

  2847.         gCarla.gui.updateMiniCanvasLater()

  2848. 

  2849.     elif action == patchcanvas.ACTION_GROUP_POSITION:

  2850.         if gCarla.gui.fIsProjectLoading:

  2851.             return

  2852.         if not host.is_engine_running():

  2853.             return

  2854.         groupId = value1

  2855.         x1, y1, x2, y2 = tuple(int(i) for i in valueStr.split(":"))

  2856.         host.patchbay_set_group_pos(gCarla.gui.fExternalPatchbay, groupId, x1, y1, x2, y2)

  2857.         gCarla.gui.updateMiniCanvasLater()

  2858. 

  2859.     elif action == patchcanvas.ACTION_PORT_INFO:

  2860.         pass

  2861. 

  2862.     elif action == patchcanvas.ACTION_PORT_RENAME:

  2863.         pass

  2864. 

  2865.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  2866.         gOut, pOut, gIn, pIn = tuple(int(i) for i in valueStr.split(":"))

  2867. 

  2868.         if not host.patchbay_connect(gCarla.gui.fExternalPatchbay, gOut, pOut, gIn, pIn):

  2869.             print("Connection failed:", host.get_last_error())

  2870. 

  2871.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  2872.         connectionId = value1

  2873. 

  2874.         if not host.patchbay_disconnect(gCarla.gui.fExternalPatchbay, connectionId):

  2875.             print("Disconnect failed:", host.get_last_error())

  2876. 

  2877.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  2878.         pluginId = value1

  2879. 

  2880.         if not host.clone_plugin(pluginId):

  2881.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2882.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2883. 

  2884.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  2885.         pluginId = value1

  2886.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2887. 

  2888.         if pwidget is not None:

  2889.             pwidget.showEditDialog()

  2890. 

  2891.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  2892.         pluginId = value1

  2893.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2894. 

  2895.         if pwidget is not None:

  2896.             pwidget.showRenameDialog()

  2897. 

  2898.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  2899.         pluginId = value1

  2900.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2901. 

  2902.         if pwidget is not None:

  2903.             pwidget.showReplaceDialog()

  2904. 

  2905.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  2906.         pluginId = value1

  2907. 

  2908.         if not host.remove_plugin(pluginId):

  2909.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2910.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2911. 

  2912.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  2913.         pluginId = value1

  2914.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2915. 

  2916.         if pwidget is not None:

  2917.             pwidget.showCustomUI()

  2918. 

  2919.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  2920.         gCarla.gui.slot_showPluginActionsMenu()

  2921. 

  2922.     elif action == patchcanvas.ACTION_INLINE_DISPLAY:

  2923.         if gCarla.gui.fIsProjectLoading:

  2924.             return

  2925.         if not host.is_engine_running():

  2926.             return

  2927.         pluginId = value1

  2928.         width, height = [int(v) for v in valueStr.split(":")]

  2929.         return host.render_inline_display(pluginId, width, height)

  2930. 

  2931. # ------------------------------------------------------------------------------------------------------------

  2932. # Engine callback

  2933. 

  2934. def engineCallback(host, action, pluginId, value1, value2, value3, valuef, valueStr):

  2935.     # kdevelop likes this :)

  2936.     if False: host = CarlaHostNull()

  2937. 

  2938.     valueStr = charPtrToString(valueStr)

  2939. 

  2940.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  2941.         host.processMode   = value1

  2942.         host.transportMode = value2

  2943.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2944.         host.processMode   = value1

  2945.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2946.         host.transportMode  = value1

  2947.         host.transportExtra = valueStr

  2948. 

  2949.     if action == ENGINE_CALLBACK_DEBUG:

  2950.         host.DebugCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  2951.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  2952.         host.PluginAddedCallback.emit(pluginId, valueStr)

  2953.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  2954.         host.PluginRemovedCallback.emit(pluginId)

  2955.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  2956.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  2957.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  2958.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  2959.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  2960.         host.ParameterValueChangedCallback.emit(pluginId, value1, valuef)

  2961.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  2962.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, valuef)

  2963.     elif action == ENGINE_CALLBACK_PARAMETER_MAPPED_CONTROL_INDEX_CHANGED:

  2964.         host.ParameterMappedControlIndexChangedCallback.emit(pluginId, value1, value2)

  2965.     elif action == ENGINE_CALLBACK_PARAMETER_MAPPED_RANGE_CHANGED:

  2966.         minimum, maximum = (float(v) for v in valueStr.split(":", 2))

  2967.         host.ParameterMappedRangeChangedCallback.emit(pluginId, value1, minimum, maximum)

  2968.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  2969.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  2970.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  2971.         host.ProgramChangedCallback.emit(pluginId, value1)

  2972.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  2973.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  2974.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  2975.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  2976.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  2977.         host.UiStateChangedCallback.emit(pluginId, value1)

  2978.     elif action == ENGINE_CALLBACK_NOTE_ON:

  2979.         host.NoteOnCallback.emit(pluginId, value1, value2, value3)

  2980.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  2981.         host.NoteOffCallback.emit(pluginId, value1, value2)

  2982.     elif action == ENGINE_CALLBACK_UPDATE:

  2983.         host.UpdateCallback.emit(pluginId)

  2984.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  2985.         host.ReloadInfoCallback.emit(pluginId)

  2986.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  2987.         host.ReloadParametersCallback.emit(pluginId)

  2988.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  2989.         host.ReloadProgramsCallback.emit(pluginId)

  2990.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  2991.         host.ReloadAllCallback.emit(pluginId)

  2992.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  2993.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  2994.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  2995.         host.PatchbayClientRemovedCallback.emit(pluginId)

  2996.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  2997.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  2998.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  2999.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  3000.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_POSITION_CHANGED:

  3001.         host.PatchbayClientPositionChangedCallback.emit(pluginId, value1, value2, value3, int(round(valuef)))

  3002.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  3003.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, value3, valueStr)

  3004.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  3005.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  3006.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_CHANGED:

  3007.         host.PatchbayPortChangedCallback.emit(pluginId, value1, value2, value3, valueStr)

  3008.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_ADDED:

  3009.         host.PatchbayPortGroupAddedCallback.emit(pluginId, value1, value2, valueStr)

  3010.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_REMOVED:

  3011.         host.PatchbayPortGroupRemovedCallback.emit(pluginId, value1)

  3012.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_CHANGED:

  3013.         host.PatchbayPortGroupChangedCallback.emit(pluginId, value1, value2, valueStr)

  3014.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  3015.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  3016.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  3017.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  3018.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  3019.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  3020.         host.EngineStartedCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  3021.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  3022.         host.EngineStoppedCallback.emit()

  3023.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  3024.         host.ProcessModeChangedCallback.emit(value1)

  3025.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  3026.         host.TransportModeChangedCallback.emit(value1, valueStr)

  3027.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  3028.         host.BufferSizeChangedCallback.emit(value1)

  3029.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  3030.         host.SampleRateChangedCallback.emit(valuef)

  3031.     elif action == ENGINE_CALLBACK_CANCELABLE_ACTION:

  3032.         host.CancelableActionCallback.emit(pluginId, bool(value1 != 0), valueStr)

  3033.     elif action == ENGINE_CALLBACK_PROJECT_LOAD_FINISHED:

  3034.         host.ProjectLoadFinishedCallback.emit()

  3035.     elif action == ENGINE_CALLBACK_NSM:

  3036.         host.NSMCallback.emit(value1, value2, valueStr)

  3037.     elif action == ENGINE_CALLBACK_IDLE:

  3038.         QApplication.processEvents()

  3039.     elif action == ENGINE_CALLBACK_INFO:

  3040.         host.InfoCallback.emit(valueStr)

  3041.     elif action == ENGINE_CALLBACK_ERROR:

  3042.         host.ErrorCallback.emit(valueStr)

  3043.     elif action == ENGINE_CALLBACK_QUIT:

  3044.         host.QuitCallback.emit()

  3045.     elif action == ENGINE_CALLBACK_INLINE_DISPLAY_REDRAW:

  3046.         host.InlineDisplayRedrawCallback.emit(pluginId)

  3047.     else:

  3048.         print("unhandled action", action)

  3049. 

  3050. # ------------------------------------------------------------------------------------------------------------

  3051. # File callback

  3052. 

  3053. def fileCallback(ptr, action, isDir, title, filter):

  3054.     title  = charPtrToString(title)

  3055.     filter = charPtrToString(filter)

  3056. 

  3057.     if action == FILE_CALLBACK_OPEN:

  3058.         ret, ok = QFileDialog.getOpenFileName(gCarla.gui, title, "", filter) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  3059.     elif action == FILE_CALLBACK_SAVE:

  3060.         ret, ok = QFileDialog.getSaveFileName(gCarla.gui, title, "", filter, QFileDialog.ShowDirsOnly if isDir else 0x0)

  3061.     else:

  3062.         ret, ok = ("", "")

  3063. 

  3064.     # FIXME use ok value, test if it works as expected

  3065.     if not ret:

  3066.         return None

  3067. 

  3068.     # FIXME

  3069.     global fileRet

  3070.     fileRet = c_char_p(ret.encode("utf-8"))

  3071.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  3072.     return retval.contents.value

  3073. 

  3074. # ------------------------------------------------------------------------------------------------------------

  3075. # Init host

  3076. 

  3077. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  3078.     pathBinaries, pathResources = getPaths(libPrefix)

  3079. 

  3080.     # --------------------------------------------------------------------------------------------------------

  3081.     # Fail if binary dir is not found

  3082. 

  3083.     if not os.path.exists(pathBinaries):

  3084.         if failError:

  3085.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  3086.             sys.exit(1)

  3087.         return

  3088. 

  3089.     # --------------------------------------------------------------------------------------------------------

  3090.     # Check if we should open main lib as local or global

  3091. 

  3092.     settings = QSafeSettings("falkTX", "Carla2")

  3093. 

  3094.     loadGlobal = settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL, CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL, bool)

  3095. 

  3096.     # --------------------------------------------------------------------------------------------------------

  3097.     # Set Carla library name

  3098. 

  3099.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  3100.     libname   = os.path.join(pathBinaries, libname)

  3101.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  3102. 

  3103.     # --------------------------------------------------------------------------------------------------------

  3104.     # Print info

  3105. 

  3106.     print("Carla %s started, status:" % VERSION)

  3107.     print("  Python version: %s" % sys.version.split(" ",1)[0])

  3108.     print("  Qt version:     %s" % QT_VERSION_STR)

  3109.     print("  PyQt version:   %s" % PYQT_VERSION_STR)

  3110.     print("  Binary dir:     %s" % pathBinaries)

  3111.     print("  Resources dir:  %s" % pathResources)

  3112. 

  3113.     # --------------------------------------------------------------------------------------------------------

  3114.     # Init host

  3115. 

  3116.     if failError:

  3117.         # no try

  3118.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  3119.     else:

  3120.         try:

  3121.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  3122.         except:

  3123.             host = CarlaHostQtNull()

  3124. 

  3125.     host.isControl = isControl

  3126.     host.isPlugin  = isPlugin

  3127. 

  3128.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vf,vs: engineCallback(host,a,p,v1,v2,v3,vf,vs))

  3129.     host.set_file_callback(fileCallback)

  3130. 

  3131.     # If it's a plugin the paths are already set

  3132.     if not isPlugin:

  3133.         host.pathBinaries  = pathBinaries

  3134.         host.pathResources = pathResources

  3135.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  3136.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  3137. 

  3138.         if not isControl:

  3139.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  3140. 

  3141.     # --------------------------------------------------------------------------------------------------------

  3142.     # Init utils

  3143. 

  3144.     gCarla.utils = CarlaUtils(utilsname)

  3145.     gCarla.utils.set_process_name(os.path.basename(initName))

  3146. 

  3147.     try:

  3148.         sys.stdout.flush()

  3149.     except:

  3150.         pass

  3151. 

  3152.     sys.stdout = CarlaPrint(False)

  3153.     sys.stderr = CarlaPrint(True)

  3154.     sys.excepthook = sys_excepthook

  3155. 

  3156.     # --------------------------------------------------------------------------------------------------------

  3157.     # Done

  3158. 

  3159.     return host

  3160. 

  3161. # ------------------------------------------------------------------------------------------------------------

  3162. # Load host settings

  3163. 

  3164. def loadHostSettings(host):

  3165.     # kdevelop likes this :)

  3166.     if False: host = CarlaHostNull()

  3167. 

  3168.     settings = QSafeSettings("falkTX", "Carla2")

  3169. 

  3170.     host.experimental = settings.value(CARLA_KEY_MAIN_EXPERIMENTAL, CARLA_DEFAULT_MAIN_EXPERIMENTAL, bool)

  3171.     host.exportLV2 = settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2, CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT, bool)

  3172.     host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, bool)

  3173.     host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, int)

  3174.     host.resetXruns = settings.value(CARLA_KEY_ENGINE_RESET_XRUNS, CARLA_DEFAULT_RESET_XRUNS, bool)

  3175.     host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, bool)

  3176.     host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, bool)

  3177.     host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, bool)

  3178.     host.preventBadBehaviour = settings.value(CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, bool)

  3179.     host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, bool)

  3180.     host.showPluginBridges = settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, bool)

  3181.     host.showWineBridges = settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, bool)

  3182.     host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, int)

  3183.     host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, bool)

  3184. 

  3185.     if host.isPlugin:

  3186.         return

  3187. 

  3188.     host.transportExtra = settings.value(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, "", str)

  3189. 

  3190.     # enums

  3191.     if host.audioDriverForced is None:

  3192.         host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, int)

  3193. 

  3194.     if not host.processModeForced:

  3195.         host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, int)

  3196. 

  3197.     host.nextProcessMode = host.processMode

  3198. 

  3199.     # --------------------------------------------------------------------------------------------------------

  3200.     # fix things if needed

  3201. 

  3202.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  3203.         if LADISH_APP_NAME:

  3204.             print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  3205.             host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  3206. 

  3207.         else:

  3208.             host.transportMode = ENGINE_TRANSPORT_MODE_JACK

  3209. 

  3210.     if gCarla.nogui:

  3211.         host.showLogs = False

  3212. 

  3213.     # --------------------------------------------------------------------------------------------------------

  3214.     # run headless host now if nogui option enabled

  3215. 

  3216.     if gCarla.nogui:

  3217.         runHostWithoutUI(host)

  3218. 

  3219. # ------------------------------------------------------------------------------------------------------------

  3220. # Set host settings

  3221. 

  3222. def setHostSettings(host):

  3223.     # kdevelop likes this :)

  3224.     if False: host = CarlaHostNull()

  3225. 

  3226.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  3227.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  3228.     host.set_engine_option(ENGINE_OPTION_RESET_XRUNS,           host.resetXruns,          "")

  3229.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  3230.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  3231.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  3232.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  3233.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  3234. 

  3235.     if host.isPlugin or host.isRemote or host.is_engine_running():

  3236.         return

  3237. 

  3238.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  3239.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       host.transportExtra)

  3240.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  3241. 

  3242. # ------------------------------------------------------------------------------------------------------------

  3243. # Set Engine settings according to carla preferences. Returns selected audio driver.

  3244. 

  3245. def setEngineSettings(host, oscPort = None):

  3246.     # kdevelop likes this :)

  3247.     if False: host = CarlaHostNull()

  3248. 

  3249.     # --------------------------------------------------------------------------------------------------------

  3250.     # do nothing if control

  3251. 

  3252.     if host.isControl:

  3253.         return "Control"

  3254. 

  3255.     # --------------------------------------------------------------------------------------------------------

  3256. 

  3257.     settings = QSafeSettings("falkTX", "Carla2")

  3258. 

  3259.     # --------------------------------------------------------------------------------------------------------

  3260.     # main settings

  3261. 

  3262.     setHostSettings(host)

  3263. 

  3264.     # --------------------------------------------------------------------------------------------------------

  3265.     # file paths

  3266. 

  3267.     FILE_PATH_AUDIO = settings.value(CARLA_KEY_PATHS_AUDIO, CARLA_DEFAULT_FILE_PATH_AUDIO, list)

  3268.     FILE_PATH_MIDI  = settings.value(CARLA_KEY_PATHS_MIDI,  CARLA_DEFAULT_FILE_PATH_MIDI, list)

  3269. 

  3270.     host.set_engine_option(ENGINE_OPTION_FILE_PATH, FILE_AUDIO, splitter.join(FILE_PATH_AUDIO))

  3271.     host.set_engine_option(ENGINE_OPTION_FILE_PATH, FILE_MIDI,  splitter.join(FILE_PATH_MIDI))

  3272. 

  3273.     # --------------------------------------------------------------------------------------------------------

  3274.     # plugin paths

  3275. 

  3276.     LADSPA_PATH = settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH, list)

  3277.     DSSI_PATH   = settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH, list)

  3278.     LV2_PATH    = settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH, list)

  3279.     VST2_PATH   = settings.value(CARLA_KEY_PATHS_VST2,   CARLA_DEFAULT_VST2_PATH, list)

  3280.     VST3_PATH   = settings.value(CARLA_KEY_PATHS_VST3,   CARLA_DEFAULT_VST3_PATH, list)

  3281.     SF2_PATH    = settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH, list)

  3282.     SFZ_PATH    = settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH, list)

  3283. 

  3284.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  3285.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  3286.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  3287.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2,   splitter.join(VST2_PATH))

  3288.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST3,   splitter.join(VST3_PATH))

  3289.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  3290.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  3291. 

  3292.     # --------------------------------------------------------------------------------------------------------

  3293.     # don't continue if plugin

  3294. 

  3295.     if host.isPlugin:

  3296.         return "Plugin"

  3297. 

  3298.     # --------------------------------------------------------------------------------------------------------

  3299.     # osc settings

  3300. 

  3301.     if oscPort is not None and isinstance(oscPort, int):

  3302.         oscEnabled = True

  3303.         portNumTCP = portNumUDP = oscPort

  3304. 

  3305.     else:

  3306.         oscEnabled = settings.value(CARLA_KEY_OSC_ENABLED, CARLA_DEFAULT_OSC_ENABLED, bool)

  3307. 

  3308.         if not settings.value(CARLA_KEY_OSC_TCP_PORT_ENABLED, CARLA_DEFAULT_OSC_TCP_PORT_ENABLED, bool):

  3309.             portNumTCP = -1

  3310.         elif settings.value(CARLA_KEY_OSC_TCP_PORT_RANDOM, CARLA_DEFAULT_OSC_TCP_PORT_RANDOM, bool):

  3311.             portNumTCP = 0

  3312.         else:

  3313.             portNumTCP = settings.value(CARLA_KEY_OSC_TCP_PORT_NUMBER, CARLA_DEFAULT_OSC_TCP_PORT_NUMBER, int)

  3314. 

  3315.         if not settings.value(CARLA_KEY_OSC_UDP_PORT_ENABLED, CARLA_DEFAULT_OSC_UDP_PORT_ENABLED, bool):

  3316.             portNumUDP = -1

  3317.         elif settings.value(CARLA_KEY_OSC_UDP_PORT_RANDOM, CARLA_DEFAULT_OSC_UDP_PORT_RANDOM, bool):

  3318.             portNumUDP = 0

  3319.         else:

  3320.             portNumUDP = settings.value(CARLA_KEY_OSC_UDP_PORT_NUMBER, CARLA_DEFAULT_OSC_UDP_PORT_NUMBER, int)

  3321. 

  3322.     host.set_engine_option(ENGINE_OPTION_OSC_ENABLED, 1 if oscEnabled else 0, "")

  3323.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_TCP, portNumTCP, "")

  3324.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_UDP, portNumUDP, "")

  3325. 

  3326.     # --------------------------------------------------------------------------------------------------------

  3327.     # wine settings

  3328. 

  3329.     optWineExecutable = settings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, str)

  3330.     optWineAutoPrefix = settings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, bool)

  3331.     optWineFallbackPrefix = settings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, str)

  3332.     optWineRtPrioEnabled = settings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, bool)

  3333.     optWineBaseRtPrio = settings.value(CARLA_KEY_WINE_BASE_RT_PRIO,   CARLA_DEFAULT_WINE_BASE_RT_PRIO, int)

  3334.     optWineServerRtPrio = settings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, int)

  3335. 

  3336.     host.set_engine_option(ENGINE_OPTION_WINE_EXECUTABLE, 0, optWineExecutable)

  3337.     host.set_engine_option(ENGINE_OPTION_WINE_AUTO_PREFIX, 1 if optWineAutoPrefix else 0, "")

  3338.     host.set_engine_option(ENGINE_OPTION_WINE_FALLBACK_PREFIX, 0, os.path.expanduser(optWineFallbackPrefix))

  3339.     host.set_engine_option(ENGINE_OPTION_WINE_RT_PRIO_ENABLED, 1 if optWineRtPrioEnabled else 0, "")

  3340.     host.set_engine_option(ENGINE_OPTION_WINE_BASE_RT_PRIO, optWineBaseRtPrio, "")

  3341.     host.set_engine_option(ENGINE_OPTION_WINE_SERVER_RT_PRIO, optWineServerRtPrio, "")

  3342. 

  3343.     # --------------------------------------------------------------------------------------------------------

  3344.     # driver and device settings

  3345. 

  3346.     # driver name

  3347.     if host.audioDriverForced is not None:

  3348.         audioDriver = host.audioDriverForced

  3349.     else:

  3350.         try:

  3351.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, str)

  3352.         except:

  3353.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  3354. 

  3355.     # driver options

  3356.     audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", str)

  3357.     audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, int)

  3358.     audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, int)

  3359.     audioTripleBuffer = settings.value("%s%s/TripleBuffer" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER, bool)

  3360. 

  3361.     # Only setup audio things if engine is not running

  3362.     if not host.is_engine_running():

  3363.         host.set_engine_option(ENGINE_OPTION_AUDIO_DRIVER, 0, audioDriver)

  3364.         host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE, 0, audioDevice)

  3365. 

  3366.         if not audioDriver.startswith("JACK"):

  3367.             host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  3368.             host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  3369.             host.set_engine_option(ENGINE_OPTION_AUDIO_TRIPLE_BUFFER, 1 if audioTripleBuffer else 0, "")

  3370. 

  3371.     # --------------------------------------------------------------------------------------------------------

  3372.     # fix things if needed

  3373. 

  3374.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  3375.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  3376.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, host.transportExtra)

  3377. 

  3378.     # --------------------------------------------------------------------------------------------------------

  3379.     # return selected driver name

  3380. 

  3381.     return audioDriver

  3382. 

  3383. # ------------------------------------------------------------------------------------------------------------

  3384. # Run Carla without showing UI

  3385. 

  3386. def runHostWithoutUI(host):

  3387.     # kdevelop likes this :)

  3388.     if False: host = CarlaHostNull()

  3389. 

  3390.     # --------------------------------------------------------------------------------------------------------

  3391.     # Some initial checks

  3392. 

  3393.     if not gCarla.nogui:

  3394.         return

  3395. 

  3396.     if not isinstance(gCarla.nogui, int):

  3397.         oscPort = None

  3398.         projectFile = getInitialProjectFile(True)

  3399. 

  3400.         if not projectFile:

  3401.             print("Carla no-gui mode can only be used together with a project file.")

  3402.             sys.exit(1)

  3403. 

  3404.     else:

  3405.         oscPort = gCarla.nogui

  3406. 

  3407.     # --------------------------------------------------------------------------------------------------------

  3408.     # Additional imports

  3409. 

  3410.     from time import sleep

  3411. 

  3412.     # --------------------------------------------------------------------------------------------------------

  3413.     # Init engine

  3414. 

  3415.     audioDriver = setEngineSettings(host, oscPort)

  3416.     if not host.engine_init(audioDriver, "Carla"):

  3417.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  3418.         sys.exit(1)

  3419. 

  3420.     if oscPort is None and not host.load_project(projectFile):

  3421.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  3422.         host.engine_close()

  3423.         sys.exit(1)

  3424. 

  3425.     # --------------------------------------------------------------------------------------------------------

  3426.     # Idle

  3427. 

  3428.     print("Carla ready!")

  3429. 

  3430.     while host.is_engine_running() and not gCarla.term:

  3431.         host.engine_idle()

  3432.         sleep(0.0333) # 30 Hz

  3433. 

  3434.     # --------------------------------------------------------------------------------------------------------

  3435.     # Stop

  3436. 

  3437.     host.engine_close()

  3438.     sys.exit(0)

  3439. 

  3440. # ------------------------------------------------------------------------------------------------------------