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

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  1. #!/usr/bin/env python3

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

  3. 

  4. # Carla host code

  5. # Copyright (C) 2011-2019 Filipe Coelho <falktx@falktx.com>

  6. #

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

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

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

  10. # the License, or any later version.

  11. #

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

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

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

  15. # GNU General Public License for more details.

  16. #

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

  18. 

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

  20. # Imports (Global)

  21. 

  22. import json

  23. 

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

  25. try:

  26.     from PyQt5.Qt import PYQT_VERSION

  27. except ImportError:

  28.     PYQT_VERSION = 0x50600

  29. 

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

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

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

  33. 

  34. # ------------------------------------------------------------------------------------------------------------

  35. # Imports (Custom)

  36. 

  37. import ui_carla_host

  38. 

  39. from carla_app import *

  40. from carla_database import *

  41. from carla_settings import *

  42. from carla_utils import *

  43. from carla_widgets import *

  44. 

  45. from patchcanvas import patchcanvas

  46. from widgets.digitalpeakmeter import DigitalPeakMeter

  47. from widgets.pixmapkeyboard import PixmapKeyboardHArea

  48. 

  49. # ------------------------------------------------------------------------------------------------------------

  50. # Try Import OpenGL

  51. 

  52. try:

  53.     from PyQt5.QtOpenGL import QGLWidget

  54.     hasGL = True

  55. except:

  56.     hasGL = False

  57. 

  58. # ------------------------------------------------------------------------------------------------------------

  59. # Safe exception hook, needed for PyQt5

  60. 

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

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

  63. 

  64. # ------------------------------------------------------------------------------------------------------------

  65. # Session Management support

  66. 

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

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

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

  70. 

  71. # ------------------------------------------------------------------------------------------------------------

  72. # Small print helper

  73. 

  74. def processMode2Str(processMode):

  75.     if processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT:

  76.         return "Single client"

  77.     if processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  78.         return "Multi client"

  79.     if processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK:

  80.         return "Continuous Rack"

  81.     if processMode == ENGINE_PROCESS_MODE_PATCHBAY:

  82.         return "Patchbay"

  83.     if processMode == ENGINE_PROCESS_MODE_BRIDGE:

  84.         return "Bridge"

  85.     return "Unknown"

  86. 

  87. # ------------------------------------------------------------------------------------------------------------

  88. # Carla Print class

  89. 

  90. class CarlaPrint:

  91.     def __init__(self, err):

  92.         self.err = err

  93. 

  94.     def flush(self):

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

  96. 

  97.     def write(self, string):

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

  99. 

  100. # ------------------------------------------------------------------------------------------------------------

  101. # Host Window

  102. 

  103. class HostWindow(QMainWindow):

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

  105.     # signals

  106.     SIGTERM = pyqtSignal()

  107.     SIGUSR1 = pyqtSignal()

  108. 

  109.     # CustomActions

  110.     CUSTOM_ACTION_NONE         = 0

  111.     CUSTOM_ACTION_APP_CLOSE    = 1

  112.     CUSTOM_ACTION_PROJECT_LOAD = 2

  113. 

  114.     # --------------------------------------------------------------------------------------------------------

  115. 

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

  117.         QMainWindow.__init__(self, parent)

  118.         self.host = host

  119.         self.ui = ui_carla_host.Ui_CarlaHostW()

  120.         self.ui.setupUi(self)

  121.         gCarla.gui = self

  122. 

  123.         if False:

  124.             # kdevelop likes this :)

  125.             host = CarlaHostNull()

  126.             self.host = host

  127. 

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

  129. 

  130.         self.fParentOrSelf = parent or self

  131. 

  132.         # ----------------------------------------------------------------------------------------------------

  133.         # Internal stuff

  134. 

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

  136.         self.fIdleTimerFast = 0

  137.         self.fIdleTimerSlow = 0

  138. 

  139.         self.fLadspaRdfNeedsUpdate = True

  140.         self.fLadspaRdfList = []

  141. 

  142.         self.fPluginCount = 0

  143.         self.fPluginList  = []

  144. 

  145.         self.fProjectFilename  = ""

  146.         self.fIsProjectLoading = False

  147.         self.fCurrentlyRemovingAllPlugins = False

  148. 

  149.         self.fLastTransportBPM   = 0.0

  150.         self.fLastTransportFrame = 0

  151.         self.fLastTransportState = False

  152.         self.fBufferSize         = 0

  153.         self.fSampleRate         = 0.0

  154.         self.fOscAddressTCP      = ""

  155.         self.fOscAddressUDP      = ""

  156.         self.fOscReportedHost    = ""

  157. 

  158.         if MACOS:

  159.             self.fMacClosingHelper = True

  160. 

  161.         # CancelableActionCallback Box

  162.         self.fCancelableActionBox = None

  163. 

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

  165.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  166. 

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

  168.         self.fFirstEngineInit = True

  169. 

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

  171.         self.fSavedSettings = {}

  172. 

  173.         if host.isControl:

  174.             self.fClientName         = "Carla-Control"

  175.             self.fSessionManagerName = "Control"

  176.         elif host.isPlugin:

  177.             self.fClientName         = "Carla-Plugin"

  178.             self.fSessionManagerName = "Plugin"

  179.         elif LADISH_APP_NAME:

  180.             self.fClientName         = LADISH_APP_NAME

  181.             self.fSessionManagerName = "LADISH"

  182.         elif NSM_URL and host.nsmOK:

  183.             self.fClientName         = "Carla.tmp"

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

  185.         else:

  186.             self.fClientName         = CARLA_CLIENT_NAME or "Carla"

  187.             self.fSessionManagerName = ""

  188. 

  189.         # ----------------------------------------------------------------------------------------------------

  190.         # Internal stuff (patchbay)

  191. 

  192.         self.fExportImage = QImage()

  193. 

  194.         self.fPeaksCleared = True

  195. 

  196.         self.fExternalPatchbay = False

  197.         self.fSelectedPlugins  = []

  198. 

  199.         self.fCanvasWidth  = 0

  200.         self.fCanvasHeight = 0

  201.         self.fMiniCanvasUpdateTimeout = 0

  202. 

  203.         self.fWithCanvas = withCanvas

  204. 

  205.         # ----------------------------------------------------------------------------------------------------

  206.         # Set up GUI (engine stopped)

  207. 

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

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

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

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

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

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

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

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

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

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

  218. 

  219.             if self.host.isControl:

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

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

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

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

  224.             else:

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

  226. 

  227.                 if not withCanvas:

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

  229. 

  230.         else:

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

  232. 

  233.             if WINDOWS:

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

  235. 

  236.         if self.host.isControl:

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

  238.         else:

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

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

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

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

  243. 

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

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

  246. 

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

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

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

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

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

  252. 

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

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

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

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

  257. 

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

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

  260. 

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

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

  263. 

  264.         if not withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  282.             self.ui.tw_miniCanvas.hide()

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

  284.             if WINDOWS:

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

  286. 

  287.         # ----------------------------------------------------------------------------------------------------

  288.         # Set up GUI (disk)

  289. 

  290.         exts = gCarla.utils.get_supported_file_extensions()

  291. 

  292.         self.fDirModel = QFileSystemModel(self)

  293.         self.fDirModel.setRootPath(HOME)

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

  295. 

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

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

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

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

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

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

  302. 

  303.         # ----------------------------------------------------------------------------------------------------

  304.         # Set up GUI (transport)

  305. 

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

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

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

  309. 

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

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

  312. 

  313.         if minLabelWidth < labelTimeWidth:

  314.             minLabelWidth = labelTimeWidth

  315.         if minLabelWidth < labelBBTWidth:

  316.             minLabelWidth = labelBBTWidth

  317. 

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

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

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

  321. 

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

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

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

  325. 

  326.         if host.isPlugin:

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

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

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

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

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

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

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

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

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

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

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

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

  339. 

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

  341. 

  342.         # ----------------------------------------------------------------------------------------------------

  343.         # Set up GUI (rack)

  344. 

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

  346. 

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

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

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

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

  351. 

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

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

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

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

  356. 

  357.         self.updateStyle()

  358. 

  359.         self.ui.rack.setStyleSheet("""

  360.           CarlaRackList#CarlaRackList {

  361.             background-color: black;

  362.           }

  363.         """)

  364. 

  365.         # ----------------------------------------------------------------------------------------------------

  366.         # Set up GUI (patchbay)

  367. 

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

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

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

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

  372. 

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

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

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

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

  377. 

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

  379.         self.ui.keyboard   = self.ui.scrollArea.keyboard

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

  381. 

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

  383. 

  384.         self.ui.miniCanvasPreview.setRealParent(self)

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

  386. 

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

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

  389. 

  390.         if MACOS:

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

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

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

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

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

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

  397. 

  398.         # ----------------------------------------------------------------------------------------------------

  399.         # Load Settings

  400. 

  401.         self.loadSettings(True)

  402. 

  403.         # ----------------------------------------------------------------------------------------------------

  404.         # Set-up Canvas

  405. 

  406.         if withCanvas:

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

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

  409. 

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

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

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

  413. 

  414.             self.setupCanvas()

  415. 

  416.         # ----------------------------------------------------------------------------------------------------

  417.         # Connect actions to functions

  418. 

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

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

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

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

  423. 

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

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

  426. 

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

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

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

  430. 

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

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

  433. 

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

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

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

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

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

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

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

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

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

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

  444. 

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

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

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

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

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

  450. 

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

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

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

  454. 

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

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

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

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

  459. 

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

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

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

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

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

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

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

  467. 

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

  469. 

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

  471. 

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

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

  474. 

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

  476. 

  477.         if withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  495. 

  496.         self.SIGUSR1.connect(self.slot_handleSIGUSR1)

  497.         self.SIGTERM.connect(self.slot_handleSIGTERM)

  498. 

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

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

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

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

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

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

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

  506. 

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

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

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

  510. 

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

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

  513. 

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

  515. 

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

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

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

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

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

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

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

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

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

  525. 

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

  527. 

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

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

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

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

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

  533. 

  534.         # ----------------------------------------------------------------------------------------------------

  535.         # Final setup

  536. 

  537.         self.ui.text_logs.clear()

  538.         self.setProperWindowTitle()

  539. 

  540.         # Disable non-supported features

  541.         features = gCarla.utils.get_supported_features()

  542. 

  543.         if "link" not in features:

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

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

  546. 

  547.         if "juce" not in features:

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

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

  550. 

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

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

  553.             self.startTimers()

  554. 

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

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

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

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

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

  560. 

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

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

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

  564. 

  565.         # Load initial project file if set

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

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

  568. 

  569.             if projectFile:

  570.                 self.loadProjectLater(projectFile)

  571. 

  572.         # For NSM we wait for the open message

  573.         if NSM_URL and host.nsmOK:

  574.             host.nsm_ready(NSM_CALLBACK_INIT)

  575.             return

  576. 

  577.         if not host.isControl:

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

  579. 

  580.     # --------------------------------------------------------------------------------------------------------

  581.     # Setup

  582. 

  583.     def compactPlugin(self, pluginId):

  584.         if pluginId > self.fPluginCount:

  585.             return

  586. 

  587.         pitem = self.fPluginList[pluginId]

  588. 

  589.         if pitem is None:

  590.             return

  591. 

  592.         pitem.recreateWidget(True)

  593. 

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

  595.         if pluginId > self.fPluginCount:

  596.             return

  597. 

  598.         pitem = self.fPluginList[pluginId]

  599. 

  600.         if pitem is None:

  601.             return

  602. 

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

  604.         pitem.recreateWidget(newColor = color)

  605. 

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

  607.         if pluginId > self.fPluginCount:

  608.             return

  609. 

  610.         pitem = self.fPluginList[pluginId]

  611. 

  612.         if pitem is None:

  613.             return

  614. 

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

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

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

  618.         else:

  619.             pitem.recreateWidget(newSkin = skin)

  620. 

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

  622.         if pluginIdA == pluginIdB:

  623.             return

  624.         if pluginIdA < 0 or pluginIdB < 0:

  625.             return

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

  627.             return

  628. 

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

  630. 

  631.         itemA = self.fPluginList[pluginIdA]

  632.         compactA = itemA.isCompacted()

  633.         guiShownA = itemA.isGuiShown()

  634. 

  635.         itemB = self.fPluginList[pluginIdB]

  636.         compactB = itemB.isCompacted()

  637.         guiShownB = itemB.isGuiShown()

  638. 

  639.         itemA.setPluginId(pluginIdA)

  640.         itemA.recreateWidget2(compactB, guiShownB)

  641. 

  642.         itemB.setPluginId(pluginIdB)

  643.         itemB.recreateWidget2(compactA, guiShownA)

  644. 

  645.         if self.fWithCanvas:

  646.             self.slot_canvasRefresh()

  647. 

  648.     def setLoadRDFsNeeded(self):

  649.         self.fLadspaRdfNeedsUpdate = True

  650. 

  651.     def setProperWindowTitle(self):

  652.         title = self.fClientName

  653. 

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

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

  656.         if self.fSessionManagerName:

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

  658. 

  659.         self.setWindowTitle(title)

  660. 

  661.     def updateBufferSize(self, newBufferSize):

  662.         if self.fBufferSize == newBufferSize:

  663.             return

  664.         self.fBufferSize = newBufferSize

  665.         self.ui.cb_buffer_size.clear()

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

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

  668. 

  669.     def updateSampleRate(self, newSampleRate):

  670.         if self.fSampleRate == newSampleRate:

  671.             return

  672.         self.fSampleRate = newSampleRate

  673.         self.ui.cb_sample_rate.clear()

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

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

  676.         self.refreshTransport(True)

  677. 

  678.     # --------------------------------------------------------------------------------------------------------

  679.     # Files

  680. 

  681.     def makeExtraFilename(self):

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

  683. 

  684.     def loadProjectNow(self):

  685.         if not self.fProjectFilename:

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

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

  688.             return

  689. 

  690.         self.projectLoadingStarted()

  691.         self.fIsProjectLoading = True

  692. 

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

  694.             self.fIsProjectLoading = False

  695.             self.projectLoadingFinished()

  696. 

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

  698.                              self.host.get_last_error(),

  699.                              QMessageBox.Ok, QMessageBox.Ok)

  700. 

  701.     def loadProjectLater(self, filename):

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

  703.         self.setProperWindowTitle()

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

  705. 

  706.     def saveProjectNow(self):

  707.         if not self.fProjectFilename:

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

  709. 

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

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

  712.                              self.host.get_last_error(),

  713.                              QMessageBox.Ok, QMessageBox.Ok)

  714.             return

  715. 

  716.         if not self.fWithCanvas:

  717.             return

  718. 

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

  720.             json.dump({

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

  722.             }, fh)

  723. 

  724.     def projectLoadingStarted(self):

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

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

  727. 

  728.     def projectLoadingFinished(self):

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

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

  731. 

  732.         if not self.fWithCanvas:

  733.             return

  734. 

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

  736. 

  737.         extrafile = self.makeExtraFilename()

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

  739.             return

  740. 

  741.         try:

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

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

  744.         except:

  745.             return

  746. 

  747.         patchcanvas.restoreGroupPositions(canvasdata)

  748. 

  749.     # --------------------------------------------------------------------------------------------------------

  750.     # Files (menu actions)

  751. 

  752.     @pyqtSlot()

  753.     def slot_fileNew(self):

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

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

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

  757.             return

  758. 

  759.         self.pluginRemoveAll()

  760.         self.fProjectFilename = ""

  761.         self.setProperWindowTitle()

  762.         self.host.clear_project_filename()

  763. 

  764.     @pyqtSlot()

  765.     def slot_fileOpen(self):

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

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

  768. 

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

  770.         if not filename:

  771.             return

  772. 

  773.         newFile = True

  774. 

  775.         if self.fPluginCount > 0:

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

  777.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  779. 

  780.         if newFile:

  781.             self.pluginRemoveAll()

  782.             self.fProjectFilename = filename

  783.             self.setProperWindowTitle()

  784.             self.loadProjectNow()

  785.         else:

  786.             filenameOld = self.fProjectFilename

  787.             self.fProjectFilename = filename

  788.             self.loadProjectNow()

  789.             self.fProjectFilename = filenameOld

  790. 

  791.     @pyqtSlot()

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

  793.         if self.fProjectFilename and not saveAs:

  794.             return self.saveProjectNow()

  795. 

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

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

  798. 

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

  800.         if not filename:

  801.             return

  802. 

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

  804.             filename += ".carxp"

  805. 

  806.         if self.fProjectFilename != filename:

  807.             self.fProjectFilename = filename

  808.             self.setProperWindowTitle()

  809. 

  810.         self.saveProjectNow()

  811. 

  812.     @pyqtSlot()

  813.     def slot_fileSaveAs(self):

  814.         self.slot_fileSave(True)

  815. 

  816.     @pyqtSlot()

  817.     def slot_loadProjectNow(self):

  818.         self.loadProjectNow()

  819. 

  820.     # --------------------------------------------------------------------------------------------------------

  821.     # Engine (menu actions)

  822. 

  823.     @pyqtSlot()

  824.     def slot_engineStart(self):

  825.         audioDriver = setEngineSettings(self.host)

  826.         firstInit   = self.fFirstEngineInit

  827. 

  828.         self.fFirstEngineInit = False

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

  830. 

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

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

  833.                 settings = QSettings()

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

  835.                 del settings

  836.                 self.host.transport_bpm(lastBpm)

  837.             return

  838. 

  839.         elif firstInit:

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

  841.             return

  842. 

  843.         audioError = self.host.get_last_error()

  844. 

  845.         if audioError:

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

  847.         else:

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

  849. 

  850.     @pyqtSlot()

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

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

  853. 

  854.         if self.fPluginCount == 0:

  855.             self.engineStopFinal()

  856.             return True

  857. 

  858.         if not forced:

  859.             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"

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

  861.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  862.             if ask != QMessageBox.Yes:

  863.                 return False

  864. 

  865.         return self.slot_engineStopTryAgain()

  866. 

  867.     @pyqtSlot()

  868.     def slot_engineStopTryAgain(self):

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

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

  871.             return False

  872. 

  873.         self.engineStopFinal()

  874.         return True

  875. 

  876.     def engineStopFinal(self):

  877.         self.killTimers()

  878. 

  879.         if self.host.is_engine_running():

  880.             if self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  881.                 self.removeAllPlugins()

  882.             elif self.fPluginCount != 0:

  883.                 self.fCurrentlyRemovingAllPlugins = True

  884.                 self.projectLoadingStarted()

  885. 

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

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

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

  889. 

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

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

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

  893. 

  894.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  895.             self.close()

  896.         elif self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  897.             self.slot_engineStart()

  898.             self.loadProjectNow()

  899.             self.host.nsm_ready(NSM_CALLBACK_OPEN)

  900. 

  901.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  902. 

  903.     # --------------------------------------------------------------------------------------------------------

  904.     # Engine (host callbacks)

  905. 

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

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

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

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

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

  911. 

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

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

  914. 

  915.         if processMode == ENGINE_PROCESS_MODE_PATCHBAY: # and not self.host.isPlugin:

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

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

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

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

  920.             self.fExternalPatchbay = False

  921.         else:

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

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

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

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

  926.             self.fExternalPatchbay = True

  927. 

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

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

  930. 

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

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

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

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

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

  936. 

  937.         if not self.host.isPlugin:

  938.             self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  939. 

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

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

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

  943. 

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

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

  946. 

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

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

  949. 

  950.         self.updateBufferSize(bufferSize)

  951.         self.updateSampleRate(int(sampleRate))

  952.         self.refreshRuntimeInfo(0.0, 0)

  953.         self.startTimers()

  954. 

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

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

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

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

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

  960. 

  961.     @pyqtSlot()

  962.     def slot_handleEngineStoppedCallback(self):

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

  964. 

  965.         patchcanvas.clear()

  966.         self.killTimers()

  967. 

  968.         # just in case

  969.         self.removeAllPlugins()

  970.         self.refreshRuntimeInfo(0.0, 0)

  971. 

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

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

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

  975. 

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

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

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

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

  980. 

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

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

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

  984. 

  985.     @pyqtSlot(int, str)

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

  987.         self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  988. 

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

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

  991. 

  992.     @pyqtSlot(int)

  993.     def slot_handleBufferSizeChangedCallback(self, newBufferSize):

  994.         self.updateBufferSize(newBufferSize)

  995. 

  996.     @pyqtSlot(float)

  997.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  998.         self.updateSampleRate(int(newSampleRate))

  999. 

  1000.     @pyqtSlot(int, bool, str)

  1001.     def slot_handleCancelableActionCallback(self, pluginId, started, action):

  1002.         if self.fCancelableActionBox is not None:

  1003.             self.fCancelableActionBox.close()

  1004. 

  1005.         if started:

  1006.             self.fCancelableActionBox = QMessageBox(self)

  1007.             self.fCancelableActionBox.setIcon(QMessageBox.Critical)

  1008.             self.fCancelableActionBox.setWindowTitle(self.tr("Action in progress"))

  1009.             self.fCancelableActionBox.setText(action)

  1010.             self.fCancelableActionBox.setInformativeText(self.tr("An action is in progress, please wait..."))

  1011.             self.fCancelableActionBox.setStandardButtons(QMessageBox.Cancel)

  1012.             self.fCancelableActionBox.setDefaultButton(QMessageBox.Cancel)

  1013.             self.fCancelableActionBox.buttonClicked.connect(self.slot_canlableActionBoxClicked)

  1014.             self.fCancelableActionBox.show()

  1015. 

  1016.         else:

  1017.             self.fCancelableActionBox = None

  1018. 

  1019.     @pyqtSlot()

  1020.     def slot_canlableActionBoxClicked(self):

  1021.         self.host.cancel_engine_action()

  1022. 

  1023.     @pyqtSlot()

  1024.     def slot_handleProjectLoadFinishedCallback(self):

  1025.         self.fIsProjectLoading = False

  1026.         self.projectLoadingFinished()

  1027. 

  1028.     # --------------------------------------------------------------------------------------------------------

  1029.     # Plugins

  1030. 

  1031.     def removeAllPlugins(self):

  1032.         self.ui.act_plugin_remove_all.setEnabled(False)

  1033.         patchcanvas.handleAllPluginsRemoved()

  1034. 

  1035.         while self.ui.listWidget.takeItem(0):

  1036.             pass

  1037. 

  1038.         self.clearSideStuff()

  1039. 

  1040.         for pitem in self.fPluginList:

  1041.             if pitem is None:

  1042.                 continue

  1043. 

  1044.             pitem.close()

  1045.             del pitem

  1046. 

  1047.         self.fPluginCount = 0

  1048.         self.fPluginList  = []

  1049. 

  1050.     # --------------------------------------------------------------------------------------------------------

  1051.     # Plugins (menu actions)

  1052. 

  1053.     def showAddPluginDialog(self):

  1054.         dialog = PluginDatabaseW(self.fParentOrSelf, self.host)

  1055. 

  1056.         if not dialog.exec_():

  1057.             return

  1058. 

  1059.         if not self.host.is_engine_running():

  1060.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1061.             return

  1062. 

  1063.         btype    = dialog.fRetPlugin['build']

  1064.         ptype    = dialog.fRetPlugin['type']

  1065.         filename = dialog.fRetPlugin['filename']

  1066.         label    = dialog.fRetPlugin['label']

  1067.         uniqueId = dialog.fRetPlugin['uniqueId']

  1068.         extraPtr = self.getExtraPtr(dialog.fRetPlugin)

  1069. 

  1070.         return (btype, ptype, filename, label, uniqueId, extraPtr)

  1071. 

  1072.     def showAddJackAppDialog(self):

  1073.         dialog = JackApplicationW(self.fParentOrSelf, self.host)

  1074. 

  1075.         if not dialog.exec_():

  1076.             return

  1077. 

  1078.         if not self.host.is_engine_running():

  1079.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1080.             return

  1081. 

  1082.         return dialog.getCommandAndFlags()

  1083. 

  1084.     @pyqtSlot()

  1085.     def showPluginActionsMenu(self):

  1086.         menu = QMenu(self)

  1087. 

  1088.         menu.addSection("Plugins")

  1089.         menu.addAction(self.ui.act_plugin_add)

  1090.         menu.addAction(self.ui.act_plugin_remove_all)

  1091. 

  1092.         menu.addSection("All plugins (macros)")

  1093.         menu.addAction(self.ui.act_plugins_enable)

  1094.         menu.addAction(self.ui.act_plugins_disable)

  1095.         menu.addSeparator()

  1096.         menu.addAction(self.ui.act_plugins_volume100)

  1097.         menu.addAction(self.ui.act_plugins_mute)

  1098.         menu.addSeparator()

  1099.         menu.addAction(self.ui.act_plugins_wet100)

  1100.         menu.addAction(self.ui.act_plugins_bypass)

  1101.         menu.addSeparator()

  1102.         menu.addAction(self.ui.act_plugins_center)

  1103.         menu.addSeparator()

  1104.         menu.addAction(self.ui.act_plugins_compact)

  1105.         menu.addAction(self.ui.act_plugins_expand)

  1106. 

  1107.         menu.exec_(QCursor.pos())

  1108. 

  1109.     @pyqtSlot()

  1110.     def slot_pluginAdd(self):

  1111.         data = self.showAddPluginDialog()

  1112. 

  1113.         if data is None:

  1114.             return

  1115. 

  1116.         btype, ptype, filename, label, uniqueId, extraPtr = data

  1117. 

  1118.         if not self.host.add_plugin(btype, ptype, filename, None, label, uniqueId, extraPtr, 0x0):

  1119.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"), self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1120. 

  1121.     @pyqtSlot()

  1122.     def slot_confirmRemoveAll(self):

  1123.         if self.fPluginCount == 0:

  1124.             return

  1125. 

  1126.         if QMessageBox.question(self, self.tr("Remove All"),

  1127.                                       self.tr("Are you sure you want to remove all plugins?"),

  1128.                                       QMessageBox.Yes|QMessageBox.No) == QMessageBox.No:

  1129.             return

  1130. 

  1131.         self.pluginRemoveAll()

  1132. 

  1133.     def pluginRemoveAll(self):

  1134.         if self.fPluginCount == 0:

  1135.             return

  1136. 

  1137.         self.fCurrentlyRemovingAllPlugins = True

  1138.         self.projectLoadingStarted()

  1139. 

  1140.         if not self.host.remove_all_plugins():

  1141.             self.projectLoadingFinished()

  1142.             self.fCurrentlyRemovingAllPlugins = False

  1143.             CustomMessageBox(self, QMessageBox.Warning, self.tr("Error"), self.tr("Operation failed"),

  1144.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1145. 

  1146.     @pyqtSlot()

  1147.     def slot_jackAppAdd(self):

  1148.         data = self.showAddJackAppDialog()

  1149. 

  1150.         if data is None:

  1151.             return

  1152. 

  1153.         filename, name, label = data

  1154. 

  1155.         if not filename:

  1156.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Cannot add jack application"),

  1157.                                    self.tr("command is empty"), QMessageBox.Ok, QMessageBox.Ok)

  1158.             return

  1159. 

  1160.         if not self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, filename, name, label, 0, None, 0x0):

  1161.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1162.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1163. 

  1164.     # --------------------------------------------------------------------------------------------------------

  1165.     # Plugins (macros)

  1166. 

  1167.     @pyqtSlot()

  1168.     def slot_pluginsEnable(self):

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

  1170.             return

  1171. 

  1172.         for pitem in self.fPluginList:

  1173.             if pitem is None:

  1174.                 break

  1175. 

  1176.             pitem.getWidget().setActive(True, True, True)

  1177. 

  1178.     @pyqtSlot()

  1179.     def slot_pluginsDisable(self):

  1180.         if not self.host.is_engine_running():

  1181.             return

  1182. 

  1183.         for pitem in self.fPluginList:

  1184.             if pitem is None:

  1185.                 break

  1186. 

  1187.             pitem.getWidget().setActive(False, True, True)

  1188. 

  1189.     @pyqtSlot()

  1190.     def slot_pluginsVolume100(self):

  1191.         if not self.host.is_engine_running():

  1192.             return

  1193. 

  1194.         for pitem in self.fPluginList:

  1195.             if pitem is None:

  1196.                 break

  1197. 

  1198.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 1.0)

  1199. 

  1200.     @pyqtSlot()

  1201.     def slot_pluginsMute(self):

  1202.         if not self.host.is_engine_running():

  1203.             return

  1204. 

  1205.         for pitem in self.fPluginList:

  1206.             if pitem is None:

  1207.                 break

  1208. 

  1209.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 0.0)

  1210. 

  1211.     @pyqtSlot()

  1212.     def slot_pluginsWet100(self):

  1213.         if not self.host.is_engine_running():

  1214.             return

  1215. 

  1216.         for pitem in self.fPluginList:

  1217.             if pitem is None:

  1218.                 break

  1219. 

  1220.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 1.0)

  1221. 

  1222.     @pyqtSlot()

  1223.     def slot_pluginsBypass(self):

  1224.         if not self.host.is_engine_running():

  1225.             return

  1226. 

  1227.         for pitem in self.fPluginList:

  1228.             if pitem is None:

  1229.                 break

  1230. 

  1231.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 0.0)

  1232. 

  1233.     @pyqtSlot()

  1234.     def slot_pluginsCenter(self):

  1235.         if not self.host.is_engine_running():

  1236.             return

  1237. 

  1238.         for pitem in self.fPluginList:

  1239.             if pitem is None:

  1240.                 break

  1241. 

  1242.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1243.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1244.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1245. 

  1246.     @pyqtSlot()

  1247.     def slot_pluginsCompact(self):

  1248.         for pitem in self.fPluginList:

  1249.             if pitem is None:

  1250.                 break

  1251.             pitem.compact()

  1252. 

  1253.     @pyqtSlot()

  1254.     def slot_pluginsExpand(self):

  1255.         for pitem in self.fPluginList:

  1256.             if pitem is None:

  1257.                 break

  1258.             pitem.expand()

  1259. 

  1260.     # --------------------------------------------------------------------------------------------------------

  1261.     # Plugins (host callbacks)

  1262. 

  1263.     @pyqtSlot(int, str)

  1264.     def slot_handlePluginAddedCallback(self, pluginId, pluginName):

  1265.         if pluginId != self.fPluginCount:

  1266.             print("ERROR: pluginAdded mismatch Id:", pluginId, self.fPluginCount)

  1267.             pitem = self.getPluginItem(pluginId)

  1268.             pitem.recreateWidget()

  1269.             return

  1270. 

  1271.         pitem = self.ui.listWidget.createItem(pluginId)

  1272.         self.fPluginList.append(pitem)

  1273.         self.fPluginCount += 1

  1274. 

  1275.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1276. 

  1277.     @pyqtSlot(int)

  1278.     def slot_handlePluginRemovedCallback(self, pluginId):

  1279.         patchcanvas.handlePluginRemoved(pluginId)

  1280. 

  1281.         if pluginId in self.fSelectedPlugins:

  1282.             self.clearSideStuff()

  1283. 

  1284.         if self.fPluginCount == 0:

  1285.             return

  1286. 

  1287.         pitem = self.getPluginItem(pluginId)

  1288. 

  1289.         self.fPluginCount -= 1

  1290.         self.fPluginList.pop(pluginId)

  1291.         self.ui.listWidget.takeItem(pluginId)

  1292. 

  1293.         if pitem is not None:

  1294.             pitem.close()

  1295.             del pitem

  1296. 

  1297.         if self.fPluginCount == 0:

  1298.             self.ui.act_plugin_remove_all.setEnabled(False)

  1299.             if self.fCurrentlyRemovingAllPlugins:

  1300.                 self.fCurrentlyRemovingAllPlugins = False

  1301.                 self.projectLoadingFinished()

  1302.             return

  1303. 

  1304.         # push all plugins 1 slot back

  1305.         for i in range(pluginId, self.fPluginCount):

  1306.             pitem = self.fPluginList[i]

  1307.             pitem.setPluginId(i)

  1308. 

  1309.         self.ui.act_plugin_remove_all.setEnabled(True)

  1310. 

  1311.     # --------------------------------------------------------------------------------------------------------

  1312.     # Canvas

  1313. 

  1314.     def clearSideStuff(self):

  1315.         if self.fWithCanvas:

  1316.             self.scene.clearSelection()

  1317. 

  1318.         self.fSelectedPlugins = []

  1319. 

  1320.         self.ui.keyboard.allNotesOff(False)

  1321.         self.ui.scrollArea.setEnabled(False)

  1322. 

  1323.         self.fPeaksCleared = True

  1324.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1325.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1326.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1327.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1328. 

  1329.     def setupCanvas(self):

  1330.         pOptions = patchcanvas.options_t()

  1331.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1332.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1333.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1334.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1335.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1336.         pOptions.inline_displays   = self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS]

  1337. 

  1338.         if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY]:

  1339.             pOptions.eyecandy = patchcanvas.EYECANDY_FULL

  1340.         elif self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]:

  1341.             pOptions.eyecandy = patchcanvas.EYECANDY_SMALL

  1342.         else:

  1343.             pOptions.eyecandy = patchcanvas.EYECANDY_NONE

  1344. 

  1345.         pFeatures = patchcanvas.features_t()

  1346.         pFeatures.group_info   = False

  1347.         pFeatures.group_rename = False

  1348.         pFeatures.port_info    = False

  1349.         pFeatures.port_rename  = False

  1350.         pFeatures.handle_group_pos = True

  1351. 

  1352.         patchcanvas.setOptions(pOptions)

  1353.         patchcanvas.setFeatures(pFeatures)

  1354.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1355. 

  1356.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1357. 

  1358.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1359.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1360.             self.fCanvasHeight = int(tryCanvasSize[1])

  1361.         else:

  1362.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1363.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1364. 

  1365.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1366.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1367.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1368. 

  1369.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1370.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1371. 

  1372.         if self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] != patchcanvas.ANTIALIASING_NONE:

  1373.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, True)

  1374. 

  1375.             fullAA = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] == patchcanvas.ANTIALIASING_FULL

  1376.             self.ui.graphicsView.setRenderHint(QPainter.SmoothPixmapTransform, fullAA)

  1377.             self.ui.graphicsView.setRenderHint(QPainter.TextAntialiasing, fullAA)

  1378. 

  1379.             if self.fSavedSettings[CARLA_KEY_CANVAS_USE_OPENGL] and hasGL:

  1380.                 self.ui.graphicsView.setRenderHint(QPainter.HighQualityAntialiasing, self.fSavedSettings[CARLA_KEY_CANVAS_HQ_ANTIALIASING])

  1381. 

  1382.         else:

  1383.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, False)

  1384. 

  1385.         if self.fSavedSettings[CARLA_KEY_CANVAS_FULL_REPAINTS]:

  1386.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.FullViewportUpdate)

  1387.         else:

  1388.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.MinimalViewportUpdate)

  1389. 

  1390.     def updateCanvasInitialPos(self):

  1391.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1392.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1393.         patchcanvas.setInitialPos(x, y)

  1394. 

  1395.     def updateMiniCanvasLater(self):

  1396.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1397. 

  1398.     # --------------------------------------------------------------------------------------------------------

  1399.     # Canvas (menu actions)

  1400. 

  1401.     @pyqtSlot()

  1402.     def slot_canvasShowInternal(self):

  1403.         self.fExternalPatchbay = False

  1404.         self.ui.act_canvas_show_internal.blockSignals(True)

  1405.         self.ui.act_canvas_show_external.blockSignals(True)

  1406.         self.ui.act_canvas_show_internal.setChecked(True)

  1407.         self.ui.act_canvas_show_external.setChecked(False)

  1408.         self.ui.act_canvas_show_internal.blockSignals(False)

  1409.         self.ui.act_canvas_show_external.blockSignals(False)

  1410.         self.slot_canvasRefresh()

  1411. 

  1412.     @pyqtSlot()

  1413.     def slot_canvasShowExternal(self):

  1414.         self.fExternalPatchbay = True

  1415.         self.ui.act_canvas_show_internal.blockSignals(True)

  1416.         self.ui.act_canvas_show_external.blockSignals(True)

  1417.         self.ui.act_canvas_show_internal.setChecked(False)

  1418.         self.ui.act_canvas_show_external.setChecked(True)

  1419.         self.ui.act_canvas_show_internal.blockSignals(False)

  1420.         self.ui.act_canvas_show_external.blockSignals(False)

  1421.         self.slot_canvasRefresh()

  1422. 

  1423.     @pyqtSlot()

  1424.     def slot_canvasArrange(self):

  1425.         patchcanvas.arrange()

  1426. 

  1427.     @pyqtSlot()

  1428.     def slot_canvasRefresh(self):

  1429.         patchcanvas.clear()

  1430. 

  1431.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1432.             return

  1433. 

  1434.         if self.host.is_engine_running():

  1435.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1436. 

  1437.         self.updateMiniCanvasLater()

  1438. 

  1439.     @pyqtSlot()

  1440.     def slot_canvasZoomFit(self):

  1441.         self.scene.zoom_fit()

  1442. 

  1443.     @pyqtSlot()

  1444.     def slot_canvasZoomIn(self):

  1445.         self.scene.zoom_in()

  1446. 

  1447.     @pyqtSlot()

  1448.     def slot_canvasZoomOut(self):

  1449.         self.scene.zoom_out()

  1450. 

  1451.     @pyqtSlot()

  1452.     def slot_canvasZoomReset(self):

  1453.         self.scene.zoom_reset()

  1454. 

  1455.     @pyqtSlot()

  1456.     def slot_canvasSaveImage(self):

  1457.         newPath, ok = QFileDialog.getSaveFileName(self, self.tr("Save Image"), filter=self.tr("PNG Image (*.png);;JPEG Image (*.jpg)"))

  1458. 

  1459.         # FIXME use ok value, test if it works as expected

  1460.         if not newPath:

  1461.             return

  1462. 

  1463.         self.scene.clearSelection()

  1464. 

  1465.         if newPath.lower().endswith((".jpg", ".jpeg")):

  1466.             imgFormat = "JPG"

  1467.         elif newPath.lower().endswith((".png",)):

  1468.             imgFormat = "PNG"

  1469.         else:

  1470.             # File-dialog may not auto-add the extension

  1471.             imgFormat = "PNG"

  1472.             newPath  += ".png"

  1473. 

  1474.         self.fExportImage = QImage(self.scene.sceneRect().width(), self.scene.sceneRect().height(), QImage.Format_RGB32)

  1475.         painter = QPainter(self.fExportImage)

  1476.         painter.save()

  1477.         painter.setRenderHint(QPainter.Antialiasing) # TODO - set true, cleanup this

  1478.         painter.setRenderHint(QPainter.TextAntialiasing)

  1479.         self.scene.render(painter)

  1480.         self.fExportImage.save(newPath, imgFormat, 100)

  1481.         painter.restore()

  1482. 

  1483.     # --------------------------------------------------------------------------------------------------------

  1484.     # Canvas (canvas callbacks)

  1485. 

  1486.     @pyqtSlot(int, int, QPointF)

  1487.     def slot_canvasItemMoved(self, group_id, split_mode, pos):

  1488.         self.updateMiniCanvasLater()

  1489. 

  1490.     @pyqtSlot()

  1491.     def slot_canvasSelectionChanged(self):

  1492.         self.updateMiniCanvasLater()

  1493. 

  1494.     @pyqtSlot(float)

  1495.     def slot_canvasScaleChanged(self, scale):

  1496.         self.ui.miniCanvasPreview.setViewScale(scale)

  1497. 

  1498.     @pyqtSlot(list)

  1499.     def slot_canvasPluginSelected(self, pluginList):

  1500.         self.ui.keyboard.allNotesOff(False)

  1501.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1502.         self.fSelectedPlugins = pluginList

  1503. 

  1504.     # --------------------------------------------------------------------------------------------------------

  1505.     # Canvas (host callbacks)

  1506. 

  1507.     @pyqtSlot(int, int, int, str)

  1508.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1509.         pcSplit = patchcanvas.SPLIT_UNDEF

  1510.         pcIcon  = patchcanvas.ICON_APPLICATION

  1511. 

  1512.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1513.             pcIcon = patchcanvas.ICON_PLUGIN

  1514.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1515.             pcIcon = patchcanvas.ICON_HARDWARE

  1516.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1517.             pass

  1518.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1519.             pcIcon = patchcanvas.ICON_DISTRHO

  1520.         elif clientIcon == PATCHBAY_ICON_FILE:

  1521.             pcIcon = patchcanvas.ICON_FILE

  1522. 

  1523.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1524. 

  1525.         self.updateMiniCanvasLater()

  1526. 

  1527.         if pluginId < 0:

  1528.             return

  1529.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1530.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1531.             return

  1532. 

  1533.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1534.             hasCustomUI = False

  1535.             hasInlineDisplay = False

  1536.         else:

  1537.             hints = self.host.get_plugin_info(pluginId)['hints']

  1538.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1539.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1540. 

  1541.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1542. 

  1543.     @pyqtSlot(int)

  1544.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1545.         patchcanvas.removeGroup(clientId)

  1546.         self.updateMiniCanvasLater()

  1547. 

  1548.     @pyqtSlot(int, str)

  1549.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1550.         patchcanvas.renameGroup(clientId, newClientName)

  1551.         self.updateMiniCanvasLater()

  1552. 

  1553.     @pyqtSlot(int, int, int)

  1554.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1555.         pcIcon = patchcanvas.ICON_APPLICATION

  1556. 

  1557.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1558.             pcIcon = patchcanvas.ICON_PLUGIN

  1559.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1560.             pcIcon = patchcanvas.ICON_HARDWARE

  1561.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1562.             pass

  1563.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1564.             pcIcon = patchcanvas.ICON_DISTRHO

  1565.         elif clientIcon == PATCHBAY_ICON_FILE:

  1566.             pcIcon = patchcanvas.ICON_FILE

  1567. 

  1568.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1569.         self.updateMiniCanvasLater()

  1570. 

  1571.         if pluginId < 0:

  1572.             return

  1573.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1574.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1575.             return

  1576. 

  1577.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1578.             hasCustomUI = False

  1579.             hasInlineDisplay = False

  1580.         else:

  1581.             hints = self.host.get_plugin_info(pluginId)['hints']

  1582.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1583.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1584. 

  1585.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1586. 

  1587.     @pyqtSlot(int, int, int, str)

  1588.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portName):

  1589.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1590.             portMode = patchcanvas.PORT_MODE_INPUT

  1591.         else:

  1592.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1593. 

  1594.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1595.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1596.             isAlternate = False

  1597.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1598.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1599.             isAlternate = True

  1600.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1601.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1602.             isAlternate = False

  1603.         else:

  1604.             portType    = patchcanvas.PORT_TYPE_NULL

  1605.             isAlternate = False

  1606. 

  1607.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1608.         self.updateMiniCanvasLater()

  1609. 

  1610.     @pyqtSlot(int, int)

  1611.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  1612.         patchcanvas.removePort(groupId, portId)

  1613.         self.updateMiniCanvasLater()

  1614. 

  1615.     @pyqtSlot(int, int, str)

  1616.     def slot_handlePatchbayPortRenamedCallback(self, groupId, portId, newPortName):

  1617.         patchcanvas.renamePort(groupId, portId, newPortName)

  1618.         self.updateMiniCanvasLater()

  1619. 

  1620.     @pyqtSlot(int, int, int, int, int)

  1621.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1622.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1623.         self.updateMiniCanvasLater()

  1624. 

  1625.     @pyqtSlot(int, int, int)

  1626.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1627.         patchcanvas.disconnectPorts(connectionId)

  1628.         self.updateMiniCanvasLater()

  1629. 

  1630.     # --------------------------------------------------------------------------------------------------------

  1631.     # Settings

  1632. 

  1633.     def saveSettings(self):

  1634.         settings = QSettings()

  1635. 

  1636.         settings.setValue("Geometry", self.saveGeometry())

  1637.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  1638. 

  1639.         if not self.host.isControl:

  1640.             settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  1641. 

  1642.         diskFolders = []

  1643. 

  1644.         for i in range(self.ui.cb_disk.count()):

  1645.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1646. 

  1647.         settings.setValue("DiskFolders", diskFolders)

  1648.         settings.setValue("LastBPM", self.fLastTransportBPM)

  1649. 

  1650.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1651.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1652.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1653.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1654. 

  1655.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_MODE,  self.host.transportMode)

  1656.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, self.host.transportExtra)

  1657. 

  1658.         return settings

  1659. 

  1660.     def loadSettings(self, firstTime):

  1661.         settings = QSettings()

  1662. 

  1663.         if firstTime:

  1664.             self.restoreGeometry(settings.value("Geometry", b""))

  1665. 

  1666.             showToolbar = settings.value("ShowToolbar", True, type=bool)

  1667.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1668.             self.ui.toolBar.setEnabled(showToolbar)

  1669.             self.ui.toolBar.setVisible(showToolbar)

  1670. 

  1671.             #if settings.contains("SplitterState"):

  1672.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  1673.             #else:

  1674.                 #self.ui.splitter.setSizes([210, 99999])

  1675. 

  1676.             showSidePanel = settings.value("ShowSidePanel", True, type=bool) and not self.host.isControl

  1677.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  1678.             self.slot_showSidePanel(showSidePanel)

  1679. 

  1680.             diskFolders = toList(settings.value("DiskFolders", [HOME]))

  1681. 

  1682.             self.ui.cb_disk.setItemData(0, HOME)

  1683. 

  1684.             for i in range(len(diskFolders)):

  1685.                 if i == 0: continue

  1686.                 folder = diskFolders[i]

  1687.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1688. 

  1689.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, type=bool):

  1690.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1691. 

  1692.             showMeters = settings.value("ShowMeters", True, type=bool)

  1693.             self.ui.act_settings_show_meters.setChecked(showMeters)

  1694.             self.ui.peak_in.setVisible(showMeters)

  1695.             self.ui.peak_out.setVisible(showMeters)

  1696. 

  1697.             showKeyboard = settings.value("ShowKeyboard", True, type=bool)

  1698.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  1699.             self.ui.scrollArea.setVisible(showKeyboard)

  1700. 

  1701.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  1702. 

  1703.         # TODO - complete this

  1704. 

  1705.         self.fSavedSettings = {

  1706.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      type=str),

  1707.             CARLA_KEY_MAIN_CONFIRM_EXIT:        settings.value(CARLA_KEY_MAIN_CONFIRM_EXIT,        CARLA_DEFAULT_MAIN_CONFIRM_EXIT,        type=bool),

  1708.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    type=int),

  1709.             CARLA_KEY_MAIN_EXPERIMENTAL:        settings.value(CARLA_KEY_MAIN_EXPERIMENTAL,        CARLA_DEFAULT_MAIN_EXPERIMENTAL,        type=bool),

  1710.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             type=str),

  1711.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              type=str),

  1712.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  type=bool),

  1713.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, type=bool),

  1714.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  type=bool),

  1715.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         type=bool),

  1716.             CARLA_KEY_CANVAS_FANCY_EYE_CANDY:   settings.value(CARLA_KEY_CANVAS_FANCY_EYE_CANDY,   CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY,   type=bool),

  1717.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        type=bool),

  1718.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      type=int),

  1719.             CARLA_KEY_CANVAS_HQ_ANTIALIASING:   settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   type=bool),

  1720.             CARLA_KEY_CANVAS_FULL_REPAINTS:     settings.value(CARLA_KEY_CANVAS_FULL_REPAINTS,     CARLA_DEFAULT_CANVAS_FULL_REPAINTS,     type=bool),

  1721.             CARLA_KEY_CANVAS_INLINE_DISPLAYS:   settings.value(CARLA_KEY_CANVAS_INLINE_DISPLAYS,   CARLA_DEFAULT_CANVAS_INLINE_DISPLAYS,   type=bool),

  1722.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   type=bool) and

  1723.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", type=str).lower() == "black"),

  1724.         }

  1725. 

  1726.         settings2 = QSettings("falkTX", "Carla2")

  1727. 

  1728.         if self.host.experimental:

  1729.             visible = settings2.value(CARLA_KEY_EXPERIMENTAL_JACK_APPS, CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS, type=bool)

  1730.             self.ui.act_add_jack.setVisible(visible)

  1731.             self.ui.act_plugin_add_jack.setVisible(visible)

  1732.         else:

  1733.             self.ui.act_add_jack.setVisible(False)

  1734.             self.ui.act_plugin_add_jack.setVisible(False)

  1735. 

  1736.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY] else 0

  1737. 

  1738.         setEngineSettings(self.host)

  1739.         self.restartTimersIfNeeded()

  1740. 

  1741.         return settings

  1742. 

  1743.     # --------------------------------------------------------------------------------------------------------

  1744.     # Settings (helpers)

  1745. 

  1746.     def enableTransport(self, enabled):

  1747.         self.ui.group_transport_controls.setEnabled(enabled)

  1748.         self.ui.group_transport_settings.setEnabled(enabled)

  1749. 

  1750.     @pyqtSlot()

  1751.     def slot_restoreCanvasScrollbarValues(self):

  1752.         settings = QSettings()

  1753.         self.ui.graphicsView.horizontalScrollBar().setValue(settings.value("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().maximum()/2, type=int))

  1754.         self.ui.graphicsView.verticalScrollBar().setValue(settings.value("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().maximum()/2, type=int))

  1755. 

  1756.     # --------------------------------------------------------------------------------------------------------

  1757.     # Settings (menu actions)

  1758. 

  1759.     @pyqtSlot(bool)

  1760.     def slot_showSidePanel(self, yesNo):

  1761.         self.ui.dockWidget.setEnabled(yesNo)

  1762.         self.ui.dockWidget.setVisible(yesNo)

  1763. 

  1764.     @pyqtSlot(bool)

  1765.     def slot_showToolbar(self, yesNo):

  1766.         self.ui.toolBar.setEnabled(yesNo)

  1767.         self.ui.toolBar.setVisible(yesNo)

  1768. 

  1769.     @pyqtSlot(bool)

  1770.     def slot_showCanvasMeters(self, yesNo):

  1771.         self.ui.peak_in.setVisible(yesNo)

  1772.         self.ui.peak_out.setVisible(yesNo)

  1773.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1774. 

  1775.     @pyqtSlot(bool)

  1776.     def slot_showCanvasKeyboard(self, yesNo):

  1777.         self.ui.scrollArea.setVisible(yesNo)

  1778.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1779. 

  1780.     @pyqtSlot()

  1781.     def slot_configureCarla(self):

  1782.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  1783.         if not dialog.exec_():

  1784.             return

  1785. 

  1786.         self.loadSettings(False)

  1787. 

  1788.         patchcanvas.clear()

  1789. 

  1790.         self.setupCanvas()

  1791.         self.slot_miniCanvasCheckAll()

  1792. 

  1793.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1794.             pass

  1795.         elif self.host.is_engine_running():

  1796.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1797. 

  1798.     # --------------------------------------------------------------------------------------------------------

  1799.     # About (menu actions)

  1800. 

  1801.     @pyqtSlot()

  1802.     def slot_aboutCarla(self):

  1803.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  1804. 

  1805.     @pyqtSlot()

  1806.     def slot_aboutJuce(self):

  1807.         JuceAboutW(self.fParentOrSelf).exec_()

  1808. 

  1809.     @pyqtSlot()

  1810.     def slot_aboutQt(self):

  1811.         QApplication.instance().aboutQt()

  1812. 

  1813.     # --------------------------------------------------------------------------------------------------------

  1814.     # Disk (menu actions)

  1815. 

  1816.     @pyqtSlot(int)

  1817.     def slot_diskFolderChanged(self, index):

  1818.         if index < 0:

  1819.             return

  1820.         elif index == 0:

  1821.             filename = HOME

  1822.             self.ui.b_disk_remove.setEnabled(False)

  1823.         else:

  1824.             filename = self.ui.cb_disk.itemData(index)

  1825.             self.ui.b_disk_remove.setEnabled(True)

  1826. 

  1827.         self.fDirModel.setRootPath(filename)

  1828.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  1829. 

  1830.     @pyqtSlot()

  1831.     def slot_diskFolderAdd(self):

  1832.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  1833. 

  1834.         if newPath:

  1835.             if newPath[-1] == os.sep:

  1836.                 newPath = newPath[:-1]

  1837.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  1838.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  1839.             self.ui.b_disk_remove.setEnabled(True)

  1840. 

  1841.     @pyqtSlot()

  1842.     def slot_diskFolderRemove(self):

  1843.         index = self.ui.cb_disk.currentIndex()

  1844. 

  1845.         if index <= 0:

  1846.             return

  1847. 

  1848.         self.ui.cb_disk.removeItem(index)

  1849. 

  1850.         if self.ui.cb_disk.currentIndex() == 0:

  1851.             self.ui.b_disk_remove.setEnabled(False)

  1852. 

  1853.     @pyqtSlot(QModelIndex)

  1854.     def slot_fileTreeDoubleClicked(self, modelIndex):

  1855.         filename = self.fDirModel.filePath(modelIndex)

  1856. 

  1857.         if not self.ui.listWidget.isDragUrlValid(filename):

  1858.             return

  1859. 

  1860.         if not self.host.load_file(filename):

  1861.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  1862.                              self.tr("Failed to load file"),

  1863.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1864. 

  1865.     # --------------------------------------------------------------------------------------------------------

  1866.     # Transport

  1867. 

  1868.     def refreshTransport(self, forced = False):

  1869.         if not self.ui.l_transport_time.isVisible():

  1870.             return

  1871.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  1872.             return

  1873. 

  1874.         timeInfo = self.host.get_transport_info()

  1875.         playing  = timeInfo['playing']

  1876.         frame    = timeInfo['frame']

  1877.         bpm      = timeInfo['bpm']

  1878. 

  1879.         if playing != self.fLastTransportState or forced:

  1880.             if playing:

  1881.                 icon = QIcon(":/16x16/media-playback-pause.svgz")

  1882.                 self.ui.b_transport_play.setChecked(True)

  1883.                 self.ui.b_transport_play.setIcon(icon)

  1884.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  1885.             else:

  1886.                 icon = QIcon(":/16x16/media-playback-start.svgz")

  1887.                 self.ui.b_transport_play.setChecked(False)

  1888.                 self.ui.b_transport_play.setIcon(icon)

  1889.                 #self.ui.b_play.setText(self.tr("&Play"))

  1890. 

  1891.             self.fLastTransportState = playing

  1892. 

  1893.         if frame != self.fLastTransportFrame or forced:

  1894.             self.fLastTransportFrame = frame

  1895. 

  1896.             time = frame / self.fSampleRate

  1897.             secs =  time % 60

  1898.             mins = (time / 60) % 60

  1899.             hrs  = (time / 3600) % 60

  1900.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  1901. 

  1902.             frame1 =  frame % 1000

  1903.             frame2 = (frame / 1000) % 1000

  1904.             frame3 = (frame / 1000000) % 1000

  1905.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  1906. 

  1907.             bar  = timeInfo['bar']

  1908.             beat = timeInfo['beat']

  1909.             tick = timeInfo['tick']

  1910.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  1911. 

  1912.         if bpm != self.fLastTransportBPM or forced:

  1913.             self.fLastTransportBPM = bpm

  1914. 

  1915.             if bpm > 0.0:

  1916.                 self.ui.dsb_transport_bpm.blockSignals(True)

  1917.                 self.ui.dsb_transport_bpm.setValue(bpm)

  1918.                 self.ui.dsb_transport_bpm.blockSignals(False)

  1919.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  1920.             else:

  1921.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  1922. 

  1923.     # --------------------------------------------------------------------------------------------------------

  1924.     # Transport (menu actions)

  1925. 

  1926.     @pyqtSlot(bool)

  1927.     def slot_transportPlayPause(self, toggled):

  1928.         if self.host.isPlugin or not self.host.is_engine_running():

  1929.             return

  1930. 

  1931.         if toggled:

  1932.             self.host.transport_play()

  1933.         else:

  1934.             self.host.transport_pause()

  1935. 

  1936.         self.refreshTransport()

  1937. 

  1938.     @pyqtSlot()

  1939.     def slot_transportStop(self):

  1940.         if self.host.isPlugin or not self.host.is_engine_running():

  1941.             return

  1942. 

  1943.         self.host.transport_pause()

  1944.         self.host.transport_relocate(0)

  1945. 

  1946.         self.refreshTransport()

  1947. 

  1948.     @pyqtSlot()

  1949.     def slot_transportBackwards(self):

  1950.         if self.host.isPlugin or not self.host.is_engine_running():

  1951.             return

  1952. 

  1953.         newFrame = self.host.get_current_transport_frame() - 100000

  1954. 

  1955.         if newFrame < 0:

  1956.             newFrame = 0

  1957. 

  1958.         self.host.transport_relocate(newFrame)

  1959. 

  1960.     @pyqtSlot(float)

  1961.     def slot_transportBpmChanged(self, newValue):

  1962.         self.host.transport_bpm(newValue)

  1963. 

  1964.     @pyqtSlot()

  1965.     def slot_transportForwards(self):

  1966.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  1967.             return

  1968. 

  1969.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  1970.         self.host.transport_relocate(newFrame)

  1971. 

  1972.     @pyqtSlot(bool)

  1973.     def slot_transportJackEnabled(self, clicked):

  1974.         if not self.host.is_engine_running():

  1975.             return

  1976.         self.host.transportMode = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  1977.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  1978.                                     self.host.transportMode,

  1979.                                     self.host.transportExtra)

  1980. 

  1981.     @pyqtSlot(bool)

  1982.     def slot_transportLinkEnabled(self, clicked):

  1983.         if not self.host.is_engine_running():

  1984.             return

  1985.         extra = ":link:" if clicked else ""

  1986.         self.host.transportExtra = extra

  1987.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  1988.                                     self.host.transportMode,

  1989.                                     self.host.transportExtra)

  1990. 

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

  1992.     # Other

  1993. 

  1994.     @pyqtSlot(bool)

  1995.     def slot_xrunClear(self):

  1996.         self.host.clear_engine_xruns()

  1997. 

  1998.     # --------------------------------------------------------------------------------------------------------

  1999.     # Canvas scrollbars

  2000. 

  2001.     @pyqtSlot(int)

  2002.     def slot_horizontalScrollBarChanged(self, value):

  2003.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  2004.         if maximum == 0:

  2005.             xp = 0

  2006.         else:

  2007.             xp = float(value) / maximum

  2008.         self.ui.miniCanvasPreview.setViewPosX(xp)

  2009.         self.updateCanvasInitialPos()

  2010. 

  2011.     @pyqtSlot(int)

  2012.     def slot_verticalScrollBarChanged(self, value):

  2013.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  2014.         if maximum == 0:

  2015.             yp = 0

  2016.         else:

  2017.             yp = float(value) / maximum

  2018.         self.ui.miniCanvasPreview.setViewPosY(yp)

  2019.         self.updateCanvasInitialPos()

  2020. 

  2021.     # --------------------------------------------------------------------------------------------------------

  2022.     # Canvas keyboard

  2023. 

  2024.     @pyqtSlot(int)

  2025.     def slot_noteOn(self, note):

  2026.         for pluginId in self.fSelectedPlugins:

  2027.             self.host.send_midi_note(pluginId, 0, note, 100)

  2028. 

  2029.             pedit = self.getPluginEditDialog(pluginId)

  2030.             pedit.noteOn(0, note, 100)

  2031. 

  2032.     @pyqtSlot(int)

  2033.     def slot_noteOff(self, note):

  2034.         for pluginId in self.fSelectedPlugins:

  2035.             self.host.send_midi_note(pluginId, 0, note, 0)

  2036. 

  2037.             pedit = self.getPluginEditDialog(pluginId)

  2038.             pedit.noteOff(0, note)

  2039. 

  2040.     # --------------------------------------------------------------------------------------------------------

  2041.     # Canvas keyboard (host callbacks)

  2042. 

  2043.     @pyqtSlot(int, int, int, int)

  2044.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  2045.         if pluginId in self.fSelectedPlugins:

  2046.             self.ui.keyboard.sendNoteOn(note, False)

  2047. 

  2048.     @pyqtSlot(int, int, int)

  2049.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  2050.         if pluginId in self.fSelectedPlugins:

  2051.             self.ui.keyboard.sendNoteOff(note, False)

  2052. 

  2053.     # --------------------------------------------------------------------------------------------------------

  2054. 

  2055.     @pyqtSlot(int)

  2056.     def slot_handleUpdateCallback(self, pluginId):

  2057.         pitem = self.getPluginItem(pluginId)

  2058. 

  2059.         if pitem is None:

  2060.             return

  2061. 

  2062.         wasCompacted = pitem.isCompacted()

  2063.         isCompacted  = wasCompacted

  2064. 

  2065.         check = self.host.get_custom_data_value(pluginId, CUSTOM_DATA_TYPE_PROPERTY, "CarlaSkinIsCompacted")

  2066.         if not check:

  2067.             return

  2068.         isCompacted = bool(check == "true")

  2069. 

  2070.         if wasCompacted == isCompacted:

  2071.             return

  2072. 

  2073.         pitem.recreateWidget(True)

  2074. 

  2075.     # --------------------------------------------------------------------------------------------------------

  2076.     # MiniCanvas stuff

  2077. 

  2078.     @pyqtSlot()

  2079.     def slot_miniCanvasCheckAll(self):

  2080.         self.slot_miniCanvasCheckSize()

  2081.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  2082.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  2083. 

  2084.     @pyqtSlot()

  2085.     def slot_miniCanvasCheckSize(self):

  2086.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  2087.             return

  2088. 

  2089.         currentIndex = self.ui.tabWidget.currentIndex()

  2090. 

  2091.         if currentIndex == 1:

  2092.             width  = self.ui.graphicsView.width()

  2093.             height = self.ui.graphicsView.height()

  2094.         else:

  2095.             self.ui.tabWidget.blockSignals(True)

  2096.             self.ui.tabWidget.setCurrentIndex(1)

  2097.             width  = self.ui.graphicsView.width()

  2098.             height = self.ui.graphicsView.height()

  2099.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  2100.             self.ui.tabWidget.blockSignals(False)

  2101. 

  2102.         self.scene.updateLimits()

  2103. 

  2104.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  2105. 

  2106.     @pyqtSlot(float, float)

  2107.     def slot_miniCanvasMoved(self, xp, yp):

  2108.         hsb = self.ui.graphicsView.horizontalScrollBar()

  2109.         vsb = self.ui.graphicsView.verticalScrollBar()

  2110.         hsb.setValue(xp * hsb.maximum())

  2111.         vsb.setValue(yp * vsb.maximum())

  2112.         self.updateCanvasInitialPos()

  2113. 

  2114.     # --------------------------------------------------------------------------------------------------------

  2115.     # Timers

  2116. 

  2117.     def startTimers(self):

  2118.         if self.fIdleTimerFast == 0:

  2119.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2120. 

  2121.         if self.fIdleTimerSlow == 0:

  2122.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2123. 

  2124.     def restartTimersIfNeeded(self):

  2125.         if self.fIdleTimerFast != 0:

  2126.             self.killTimer(self.fIdleTimerFast)

  2127.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2128. 

  2129.         if self.fIdleTimerSlow != 0:

  2130.             self.killTimer(self.fIdleTimerSlow)

  2131.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2132. 

  2133.     def killTimers(self):

  2134.         if self.fIdleTimerFast != 0:

  2135.             self.killTimer(self.fIdleTimerFast)

  2136.             self.fIdleTimerFast = 0

  2137. 

  2138.         if self.fIdleTimerSlow != 0:

  2139.             self.killTimer(self.fIdleTimerSlow)

  2140.             self.fIdleTimerSlow = 0

  2141. 

  2142.     # --------------------------------------------------------------------------------------------------------

  2143.     # Misc

  2144. 

  2145.     @pyqtSlot(int)

  2146.     def slot_tabChanged(self, index):

  2147.         if index != 1:

  2148.             return

  2149. 

  2150.         self.ui.graphicsView.setFocus()

  2151. 

  2152.     @pyqtSlot(int)

  2153.     def slot_handleReloadAllCallback(self, pluginId):

  2154.         if pluginId >= self.fPluginCount:

  2155.             return

  2156. 

  2157.         pitem = self.fPluginList[pluginId]

  2158.         if pitem is None:

  2159.             return

  2160. 

  2161.         pitem.recreateWidget()

  2162. 

  2163.     # --------------------------------------------------------------------------------------------------------

  2164. 

  2165.     @pyqtSlot(int, int, str)

  2166.     def slot_handleNSMCallback(self, opcode, valueInt, valueStr):

  2167.         if opcode == NSM_CALLBACK_INIT:

  2168.             return

  2169. 

  2170.         # Error

  2171.         elif opcode == NSM_CALLBACK_ERROR:

  2172.             pass

  2173. 

  2174.         # Reply

  2175.         elif opcode == NSM_CALLBACK_ANNOUNCE:

  2176.             self.fFirstEngineInit    = False

  2177.             self.fSessionManagerName = valueStr

  2178.             self.setProperWindowTitle()

  2179. 

  2180.         # Open

  2181.         elif opcode == NSM_CALLBACK_OPEN:

  2182.             self.fClientName      = os.path.basename(valueStr)

  2183.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  2184.             self.setProperWindowTitle()

  2185. 

  2186.             self.fCustomStopAction = self.CUSTOM_ACTION_PROJECT_LOAD

  2187.             self.slot_engineStop(True)

  2188.             return

  2189. 

  2190.         # Save

  2191.         elif opcode == NSM_CALLBACK_SAVE:

  2192.             self.saveProjectNow()

  2193. 

  2194.         # Session is Loaded

  2195.         elif opcode == NSM_CALLBACK_SESSION_IS_LOADED:

  2196.             pass

  2197. 

  2198.         # Show Optional Gui

  2199.         elif opcode == NSM_CALLBACK_SHOW_OPTIONAL_GUI:

  2200.             self.show()

  2201. 

  2202.         # Hide Optional Gui

  2203.         elif opcode == NSM_CALLBACK_HIDE_OPTIONAL_GUI:

  2204.             self.hide()

  2205. 

  2206.         self.host.nsm_ready(opcode)

  2207. 

  2208.     # --------------------------------------------------------------------------------------------------------

  2209. 

  2210.     def fixLogText(self, text):

  2211.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  2212. 

  2213.     @pyqtSlot(int, int, int, int, float, str)

  2214.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valuef, valueStr):

  2215.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  2216. 

  2217.     @pyqtSlot(str)

  2218.     def slot_handleInfoCallback(self, info):

  2219.         QMessageBox.information(self, "Information", info)

  2220. 

  2221.     @pyqtSlot(str)

  2222.     def slot_handleErrorCallback(self, error):

  2223.         QMessageBox.critical(self, "Error", error)

  2224. 

  2225.     @pyqtSlot()

  2226.     def slot_handleQuitCallback(self):

  2227.         self.fIsProjectLoading = False

  2228.         self.killTimers()

  2229.         self.removeAllPlugins()

  2230.         self.projectLoadingFinished()

  2231. 

  2232.     @pyqtSlot(int)

  2233.     def slot_handleInlineDisplayRedrawCallback(self, pluginId):

  2234.         # FIXME

  2235.         if self.fIdleTimerSlow != 0 and self.fIdleTimerFast != 0 and pluginId < self.fPluginCount and not self.fIsProjectLoading:

  2236.             patchcanvas.redrawPluginGroup(pluginId)

  2237. 

  2238.     # --------------------------------------------------------------------------------------------------------

  2239. 

  2240.     @pyqtSlot()

  2241.     def slot_handleSIGUSR1(self):

  2242.         print("Got SIGUSR1 -> Saving project now")

  2243.         self.slot_fileSave()

  2244. 

  2245.     @pyqtSlot()

  2246.     def slot_handleSIGTERM(self):

  2247.         print("Got SIGTERM -> Closing now")

  2248.         self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2249.         self.slot_engineStop(True)

  2250. 

  2251.     # --------------------------------------------------------------------------------------------------------

  2252.     # Internal stuff

  2253. 

  2254.     def getExtraPtr(self, plugin):

  2255.         ptype = plugin['type']

  2256. 

  2257.         if ptype == PLUGIN_LADSPA:

  2258.             uniqueId = plugin['uniqueId']

  2259. 

  2260.             self.maybeLoadRDFs()

  2261. 

  2262.             for rdfItem in self.fLadspaRdfList:

  2263.                 if rdfItem.UniqueID == uniqueId:

  2264.                     return pointer(rdfItem)

  2265. 

  2266.         elif ptype == PLUGIN_SF2:

  2267.             if plugin['name'].lower().endswith(" (16 outputs)"):

  2268.                 return self._true

  2269. 

  2270.         return None

  2271. 

  2272.     def maybeLoadRDFs(self):

  2273.         if not self.fLadspaRdfNeedsUpdate:

  2274.             return

  2275. 

  2276.         self.fLadspaRdfNeedsUpdate = False

  2277.         self.fLadspaRdfList = []

  2278. 

  2279.         if not haveLRDF:

  2280.             return

  2281. 

  2282.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  2283.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  2284. 

  2285.         if os.path.exists(frLadspaFile):

  2286.             frLadspa = open(frLadspaFile, 'r')

  2287. 

  2288.             try:

  2289.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  2290.             except:

  2291.                 pass

  2292. 

  2293.             frLadspa.close()

  2294. 

  2295.     # --------------------------------------------------------------------------------------------------------

  2296. 

  2297.     def getPluginCount(self):

  2298.         return self.fPluginCount

  2299. 

  2300.     def getPluginItem(self, pluginId):

  2301.         if pluginId >= self.fPluginCount:

  2302.             return None

  2303. 

  2304.         pitem = self.fPluginList[pluginId]

  2305.         if pitem is None:

  2306.             return None

  2307.         #if False:

  2308.             #return CarlaRackItem(self, 0, False)

  2309. 

  2310.         return pitem

  2311. 

  2312.     def getPluginEditDialog(self, pluginId):

  2313.         if pluginId >= self.fPluginCount:

  2314.             return None

  2315. 

  2316.         pitem = self.fPluginList[pluginId]

  2317.         if pitem is None:

  2318.             return None

  2319.         if False:

  2320.             return PluginEdit(self, self.host, 0)

  2321. 

  2322.         return pitem.getEditDialog()

  2323. 

  2324.     def getPluginSlotWidget(self, pluginId):

  2325.         if pluginId >= self.fPluginCount:

  2326.             return None

  2327. 

  2328.         pitem = self.fPluginList[pluginId]

  2329.         if pitem is None:

  2330.             return None

  2331.         #if False:

  2332.             #return AbstractPluginSlot()

  2333. 

  2334.         return pitem.getWidget()

  2335. 

  2336.     # --------------------------------------------------------------------------------------------------------

  2337. 

  2338.     def waitForPendingEvents(self):

  2339.         pass

  2340. 

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

  2342.     # show/hide event

  2343. 

  2344.     def showEvent(self, event):

  2345.         self.getAndRefreshRuntimeInfo()

  2346.         self.refreshTransport(True)

  2347.         QMainWindow.showEvent(self, event)

  2348. 

  2349.         if QT_VERSION >= 0x50600:

  2350.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_UI_SCALE, int(self.devicePixelRatioF() * 1000), "")

  2351. 

  2352.         # set our gui as parent for all plugins UIs

  2353.         if self.host.manageUIs and not (self.host.isControl or self.host.isPlugin):

  2354.             if MACOS:

  2355.                 nsViewPtr = int(self.winId())

  2356.                 winIdStr  = "%x" % gCarla.utils.cocoa_get_window(nsViewPtr)

  2357.             else:

  2358.                 winIdStr = "%x" % int(self.winId())

  2359.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2360. 

  2361.     def hideEvent(self, event):

  2362.         # disable parent

  2363.         if not (self.host.isControl or self.host.isPlugin):

  2364.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2365. 

  2366.         QMainWindow.hideEvent(self, event)

  2367. 

  2368.     # --------------------------------------------------------------------------------------------------------

  2369.     # resize event

  2370. 

  2371.     def resizeEvent(self, event):

  2372.         QMainWindow.resizeEvent(self, event)

  2373. 

  2374.         if self.fWithCanvas:

  2375.             self.slot_miniCanvasCheckSize()

  2376. 

  2377.     # --------------------------------------------------------------------------------------------------------

  2378.     # timer event

  2379. 

  2380.     def refreshRuntimeInfo(self, load, xruns):

  2381.         txt1 = str(xruns) if (xruns >= 0) else "--"

  2382.         txt2 = "" if (xruns == 1) else "s"

  2383.         self.ui.b_xruns.setText("%s Xrun%s" % (txt1, txt2))

  2384.         self.ui.pb_dsp_load.setValue(int(load))

  2385. 

  2386.     def getAndRefreshRuntimeInfo(self):

  2387.         if not self.ui.pb_dsp_load.isVisible():

  2388.             return

  2389.         if not self.host.is_engine_running():

  2390.             return

  2391.         info = self.host.get_runtime_engine_info()

  2392.         self.refreshRuntimeInfo(info['load'], info['xruns'])

  2393. 

  2394.     def idleFast(self):

  2395.         self.host.engine_idle()

  2396.         self.refreshTransport()

  2397. 

  2398.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2399.             return

  2400. 

  2401.         for pitem in self.fPluginList:

  2402.             if pitem is None:

  2403.                 break

  2404. 

  2405.             pitem.getWidget().idleFast()

  2406. 

  2407.         for pluginId in self.fSelectedPlugins:

  2408.             self.fPeaksCleared = False

  2409.             if self.ui.peak_in.isVisible():

  2410.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2411.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2412.             if self.ui.peak_out.isVisible():

  2413.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2414.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2415.             return

  2416. 

  2417.         if self.fPeaksCleared:

  2418.             return

  2419. 

  2420.         self.fPeaksCleared = True

  2421.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2422.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2423.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2424.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2425. 

  2426.     def idleSlow(self):

  2427.         self.getAndRefreshRuntimeInfo()

  2428. 

  2429.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2430.             return

  2431. 

  2432.         for pitem in self.fPluginList:

  2433.             if pitem is None:

  2434.                 break

  2435. 

  2436.             pitem.getWidget().idleSlow()

  2437. 

  2438.     def timerEvent(self, event):

  2439.         if event.timerId() == self.fIdleTimerFast:

  2440.             self.idleFast()

  2441. 

  2442.         elif event.timerId() == self.fIdleTimerSlow:

  2443.             self.idleSlow()

  2444. 

  2445.         QMainWindow.timerEvent(self, event)

  2446. 

  2447.     # --------------------------------------------------------------------------------------------------------

  2448.     # color/style change event

  2449. 

  2450.     def changeEvent(self, event):

  2451.         if event.type() in (QEvent.PaletteChange, QEvent.StyleChange):

  2452.             self.updateStyle()

  2453.         QWidget.changeEvent(self, event)

  2454. 

  2455.     def updateStyle(self):

  2456.         # Rack padding images setup

  2457.         rack_imgL = QImage(":/bitmaps/rack_padding_left.png")

  2458.         rack_imgR = QImage(":/bitmaps/rack_padding_right.png")

  2459. 

  2460.         min_value = 0.07

  2461. 

  2462.         if PYQT_VERSION >= 0x50600:

  2463.             value_fix = 1.0/(1.0-rack_imgL.scaled(1, 1, Qt.IgnoreAspectRatio, Qt.SmoothTransformation).pixelColor(0,0).blackF())

  2464.         else:

  2465.             value_fix = 1.5

  2466. 

  2467.         bg_color = self.ui.rack.palette().window().color()

  2468.         bg_value = 1.0 - bg_color.blackF()

  2469.         if bg_value != 0.0 and bg_value < min_value:

  2470.             pad_color = bg_color.lighter(100*min_value/bg_value*value_fix)

  2471.         else:

  2472.             pad_color = QColor.fromHsvF(0.0, 0.0, min_value*value_fix)

  2473. 

  2474.         painter = QPainter()

  2475.         fillRect = rack_imgL.rect().adjusted(-1,-1,1,1)

  2476. 

  2477.         painter.begin(rack_imgL)

  2478.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2479.         painter.setBrush(pad_color)

  2480.         painter.drawRect(fillRect)

  2481.         painter.end()

  2482.         rack_pixmapL = QPixmap(rack_imgL)

  2483.         self.imgL_palette = QPalette()

  2484.         self.imgL_palette.setBrush(QPalette.Window, QBrush(rack_pixmapL))

  2485.         self.ui.pad_left.setPalette(self.imgL_palette)

  2486.         self.ui.pad_left.setAutoFillBackground(True)

  2487. 

  2488.         painter.begin(rack_imgR)

  2489.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  2490.         painter.setBrush(pad_color)

  2491.         painter.drawRect(fillRect)

  2492.         painter.end()

  2493.         rack_pixmapR = QPixmap(rack_imgR)

  2494.         self.imgR_palette = QPalette()

  2495.         self.imgR_palette.setBrush(QPalette.Window, QBrush(rack_pixmapR))

  2496.         self.ui.pad_right.setPalette(self.imgR_palette)

  2497.         self.ui.pad_right.setAutoFillBackground(True)

  2498. 

  2499.     # --------------------------------------------------------------------------------------------------------

  2500.     # paint event

  2501. 

  2502.     #def paintEvent(self, event):

  2503.         #QMainWindow.paintEvent(self, event)

  2504. 

  2505.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2506.             #return

  2507. 

  2508.         #painter = QPainter(self)

  2509.         #painter.setBrush(QColor(36, 36, 36))

  2510.         #painter.setPen(QColor(62, 62, 62))

  2511.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2512. 

  2513.     # --------------------------------------------------------------------------------------------------------

  2514.     # close event

  2515. 

  2516.     def shouldIgnoreClose(self):

  2517.         if self.host.isControl or self.host.isPlugin:

  2518.             return False

  2519.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  2520.             return False

  2521.         if self.fSavedSettings[CARLA_KEY_MAIN_CONFIRM_EXIT]:

  2522.             return QMessageBox.question(self, self.tr("Quit"),

  2523.                                               self.tr("Are you sure you want to quit Carla?"),

  2524.                                               QMessageBox.Yes|QMessageBox.No) == QMessageBox.No

  2525.         return False

  2526. 

  2527.     def closeEvent(self, event):

  2528.         if self.shouldIgnoreClose():

  2529.             event.ignore()

  2530.             return

  2531. 

  2532.         if MACOS and self.fMacClosingHelper and not (self.host.isControl or self.host.isPlugin):

  2533.             self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2534.             self.fMacClosingHelper = False

  2535.             event.ignore()

  2536. 

  2537.             for i in reversed(range(self.fPluginCount)):

  2538.                 self.host.show_custom_ui(i, False)

  2539. 

  2540.             QTimer.singleShot(100, self.close)

  2541.             return

  2542. 

  2543.         self.killTimers()

  2544.         self.saveSettings()

  2545. 

  2546.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  2547.             if not self.slot_engineStop(True):

  2548.                 self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2549.                 event.ignore()

  2550.                 return

  2551. 

  2552.         QMainWindow.closeEvent(self, event)

  2553. 

  2554. # ------------------------------------------------------------------------------------------------

  2555. # Canvas callback

  2556. 

  2557. def canvasCallback(action, value1, value2, valueStr):

  2558.     host = gCarla.gui.host

  2559. 

  2560.     if action == patchcanvas.ACTION_GROUP_INFO:

  2561.         pass

  2562. 

  2563.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  2564.         pass

  2565. 

  2566.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  2567.         groupId = value1

  2568.         patchcanvas.splitGroup(groupId)

  2569.         gCarla.gui.updateMiniCanvasLater()

  2570. 

  2571.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  2572.         groupId = value1

  2573.         patchcanvas.joinGroup(groupId)

  2574.         gCarla.gui.updateMiniCanvasLater()

  2575. 

  2576.     elif action == patchcanvas.ACTION_PORT_INFO:

  2577.         pass

  2578. 

  2579.     elif action == patchcanvas.ACTION_PORT_RENAME:

  2580.         pass

  2581. 

  2582.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  2583.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")]

  2584. 

  2585.         if not host.patchbay_connect(gCarla.gui.fExternalPatchbay, gOut, pOut, gIn, pIn):

  2586.             print("Connection failed:", host.get_last_error())

  2587. 

  2588.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  2589.         connectionId = value1

  2590. 

  2591.         if not host.patchbay_disconnect(gCarla.gui.fExternalPatchbay, connectionId):

  2592.             print("Disconnect failed:", host.get_last_error())

  2593. 

  2594.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  2595.         pluginId = value1

  2596. 

  2597.         if not host.clone_plugin(pluginId):

  2598.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2599.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2600. 

  2601.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  2602.         pluginId = value1

  2603.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2604. 

  2605.         if pwidget is not None:

  2606.             pwidget.showEditDialog()

  2607. 

  2608.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  2609.         pluginId = value1

  2610.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2611. 

  2612.         if pwidget is not None:

  2613.             pwidget.showRenameDialog()

  2614. 

  2615.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  2616.         pluginId = value1

  2617.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2618. 

  2619.         if pwidget is not None:

  2620.             pwidget.showReplaceDialog()

  2621. 

  2622.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  2623.         pluginId = value1

  2624. 

  2625.         if not host.remove_plugin(pluginId):

  2626.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2627.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2628. 

  2629.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  2630.         pluginId = value1

  2631.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2632. 

  2633.         if pwidget is not None:

  2634.             pwidget.showCustomUI()

  2635. 

  2636.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  2637.         gCarla.gui.showPluginActionsMenu()

  2638. 

  2639.     elif action == patchcanvas.ACTION_INLINE_DISPLAY:

  2640.         # FIXME

  2641.         if gCarla.gui.fPluginCount == 0: return

  2642.         pluginId = value1

  2643.         width, height = [int(v) for v in valueStr.split(":")]

  2644.         return host.render_inline_display(pluginId, width, height)

  2645. 

  2646. # ------------------------------------------------------------------------------------------------------------

  2647. # Engine callback

  2648. 

  2649. def engineCallback(host, action, pluginId, value1, value2, value3, valuef, valueStr):

  2650.     # kdevelop likes this :)

  2651.     if False: host = CarlaHostNull()

  2652. 

  2653.     valueStr = charPtrToString(valueStr)

  2654. 

  2655.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  2656.         host.processMode   = value1

  2657.         host.transportMode = value2

  2658.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2659.         host.processMode   = value1

  2660.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2661.         host.transportMode  = value1

  2662.         host.transportExtra = valueStr

  2663. 

  2664.     if action == ENGINE_CALLBACK_DEBUG:

  2665.         host.DebugCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  2666.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  2667.         host.PluginAddedCallback.emit(pluginId, valueStr)

  2668.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  2669.         host.PluginRemovedCallback.emit(pluginId)

  2670.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  2671.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  2672.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  2673.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  2674.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  2675.         host.ParameterValueChangedCallback.emit(pluginId, value1, valuef)

  2676.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  2677.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, valuef)

  2678.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CC_CHANGED:

  2679.         host.ParameterMidiCcChangedCallback.emit(pluginId, value1, value2)

  2680.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  2681.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  2682.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  2683.         host.ProgramChangedCallback.emit(pluginId, value1)

  2684.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  2685.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  2686.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  2687.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  2688.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  2689.         host.UiStateChangedCallback.emit(pluginId, value1)

  2690.     elif action == ENGINE_CALLBACK_NOTE_ON:

  2691.         host.NoteOnCallback.emit(pluginId, value1, value2, value3)

  2692.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  2693.         host.NoteOffCallback.emit(pluginId, value1, value2)

  2694.     elif action == ENGINE_CALLBACK_UPDATE:

  2695.         host.UpdateCallback.emit(pluginId)

  2696.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  2697.         host.ReloadInfoCallback.emit(pluginId)

  2698.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  2699.         host.ReloadParametersCallback.emit(pluginId)

  2700.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  2701.         host.ReloadProgramsCallback.emit(pluginId)

  2702.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  2703.         host.ReloadAllCallback.emit(pluginId)

  2704.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  2705.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  2706.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  2707.         host.PatchbayClientRemovedCallback.emit(pluginId)

  2708.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  2709.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  2710.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  2711.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  2712.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  2713.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, valueStr)

  2714.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  2715.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  2716.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_RENAMED:

  2717.         host.PatchbayPortRenamedCallback.emit(pluginId, value1, valueStr)

  2718.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  2719.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  2720.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  2721.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  2722.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  2723.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  2724.         host.EngineStartedCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  2725.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  2726.         host.EngineStoppedCallback.emit()

  2727.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2728.         host.ProcessModeChangedCallback.emit(value1)

  2729.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2730.         host.TransportModeChangedCallback.emit(value1, valueStr)

  2731.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  2732.         host.BufferSizeChangedCallback.emit(value1)

  2733.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  2734.         host.SampleRateChangedCallback.emit(valuef)

  2735.     elif action == ENGINE_CALLBACK_CANCELABLE_ACTION:

  2736.         host.CancelableActionCallback.emit(pluginId, bool(value1 != 0), valueStr)

  2737.     elif action == ENGINE_CALLBACK_PROJECT_LOAD_FINISHED:

  2738.         host.ProjectLoadFinishedCallback.emit()

  2739.     elif action == ENGINE_CALLBACK_NSM:

  2740.         host.NSMCallback.emit(value1, value2, valueStr)

  2741.     elif action == ENGINE_CALLBACK_IDLE:

  2742.         QApplication.processEvents()

  2743.     elif action == ENGINE_CALLBACK_INFO:

  2744.         host.InfoCallback.emit(valueStr)

  2745.     elif action == ENGINE_CALLBACK_ERROR:

  2746.         host.ErrorCallback.emit(valueStr)

  2747.     elif action == ENGINE_CALLBACK_QUIT:

  2748.         host.QuitCallback.emit()

  2749.     elif action == ENGINE_CALLBACK_INLINE_DISPLAY_REDRAW:

  2750.         host.InlineDisplayRedrawCallback.emit(pluginId)

  2751.     else:

  2752.         print("unhandled action", action)

  2753. 

  2754. # ------------------------------------------------------------------------------------------------------------

  2755. # File callback

  2756. 

  2757. def fileCallback(ptr, action, isDir, title, filter):

  2758.     title  = charPtrToString(title)

  2759.     filter = charPtrToString(filter)

  2760. 

  2761.     if action == FILE_CALLBACK_OPEN:

  2762.         ret, ok = QFileDialog.getOpenFileName(gCarla.gui, title, "", filter) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  2763.     elif action == FILE_CALLBACK_SAVE:

  2764.         ret, ok = QFileDialog.getSaveFileName(gCarla.gui, title, "", filter, QFileDialog.ShowDirsOnly if isDir else 0x0)

  2765.     else:

  2766.         ret, ok = ("", "")

  2767. 

  2768.     # FIXME use ok value, test if it works as expected

  2769.     if not ret:

  2770.         return None

  2771. 

  2772.     # FIXME

  2773.     global fileRet

  2774.     fileRet = c_char_p(ret.encode("utf-8"))

  2775.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  2776.     return retval.contents.value

  2777. 

  2778. # ------------------------------------------------------------------------------------------------------------

  2779. # Init host

  2780. 

  2781. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  2782.     pathBinaries, pathResources = getPaths(libPrefix)

  2783. 

  2784.     # --------------------------------------------------------------------------------------------------------

  2785.     # Check if we should open main lib as local or global

  2786. 

  2787.     settings = QSettings("falkTX", "Carla2")

  2788. 

  2789.     try:

  2790.         loadGlobal = settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL, CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL, type=bool)

  2791.     except:

  2792.         loadGlobal = CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL

  2793. 

  2794.     # --------------------------------------------------------------------------------------------------------

  2795.     # Fail if binary dir is not found

  2796. 

  2797.     if not os.path.exists(pathBinaries):

  2798.         if failError:

  2799.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  2800.             sys.exit(1)

  2801.         return

  2802. 

  2803.     # --------------------------------------------------------------------------------------------------------

  2804.     # Set Carla library name

  2805. 

  2806.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  2807.     libname   = os.path.join(pathBinaries, libname)

  2808.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  2809. 

  2810.     # --------------------------------------------------------------------------------------------------------

  2811.     # Print info

  2812. 

  2813.     print("Carla %s started, status:" % VERSION)

  2814.     print("  Python version: %s" % sys.version.split(" ",1)[0])

  2815.     print("  Qt version:     %s" % QT_VERSION_STR)

  2816.     print("  PyQt version:   %s" % PYQT_VERSION_STR)

  2817.     print("  Binary dir:     %s" % pathBinaries)

  2818.     print("  Resources dir:  %s" % pathResources)

  2819. 

  2820.     # --------------------------------------------------------------------------------------------------------

  2821.     # Init host

  2822. 

  2823.     if failError:

  2824.         # no try

  2825.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2826.     else:

  2827.         try:

  2828.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2829.         except:

  2830.             host = CarlaHostQtNull()

  2831. 

  2832.     host.isControl = isControl

  2833.     host.isPlugin  = isPlugin

  2834. 

  2835.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vf,vs: engineCallback(host,a,p,v1,v2,v3,vf,vs))

  2836.     host.set_file_callback(fileCallback)

  2837. 

  2838.     # If it's a plugin the paths are already set

  2839.     if not isPlugin:

  2840.         host.pathBinaries  = pathBinaries

  2841.         host.pathResources = pathResources

  2842.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  2843.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  2844. 

  2845.         if not isControl:

  2846.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  2847. 

  2848.     # --------------------------------------------------------------------------------------------------------

  2849.     # Init utils

  2850. 

  2851.     gCarla.utils = CarlaUtils(utilsname)

  2852.     gCarla.utils.set_process_name(os.path.basename(initName))

  2853. 

  2854.     try:

  2855.         sys.stdout.flush()

  2856.     except:

  2857.         pass

  2858. 

  2859.     sys.stdout = CarlaPrint(False)

  2860.     sys.stderr = CarlaPrint(True)

  2861.     sys.excepthook = sys_excepthook

  2862. 

  2863.     # --------------------------------------------------------------------------------------------------------

  2864.     # Done

  2865. 

  2866.     return host

  2867. 

  2868. # ------------------------------------------------------------------------------------------------------------

  2869. # Load host settings

  2870. 

  2871. def loadHostSettings(host):

  2872.     # kdevelop likes this :)

  2873.     if False: host = CarlaHostNull()

  2874. 

  2875.     settings = QSettings("falkTX", "Carla2")

  2876. 

  2877.     try:

  2878.         host.experimental = settings.value(CARLA_KEY_MAIN_EXPERIMENTAL, CARLA_DEFAULT_MAIN_EXPERIMENTAL, type=bool)

  2879.     except:

  2880.         host.experimental = CARLA_DEFAULT_MAIN_EXPERIMENTAL

  2881. 

  2882.     try:

  2883.         host.exportLV2 = settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2, CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT, type=bool)

  2884.     except:

  2885.         host.exportLV2 = CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT

  2886. 

  2887.     try:

  2888.         host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, type=bool)

  2889.     except:

  2890.         host.manageUIs = CARLA_DEFAULT_MANAGE_UIS

  2891. 

  2892.     try:

  2893.         host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, type=int)

  2894.     except:

  2895.         host.maxParameters = CARLA_DEFAULT_MAX_PARAMETERS

  2896. 

  2897.     try:

  2898.         host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, type=bool)

  2899.     except:

  2900.         host.forceStereo = CARLA_DEFAULT_FORCE_STEREO

  2901. 

  2902.     try:

  2903.         host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, type=bool)

  2904.     except:

  2905.         host.preferPluginBridges = CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES

  2906. 

  2907.     try:

  2908.         host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, type=bool)

  2909.     except:

  2910.         host.preferUIBridges = CARLA_DEFAULT_PREFER_UI_BRIDGES

  2911. 

  2912.     try:

  2913.         host.preventBadBehaviour = settings.value(CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, type=bool)

  2914.     except:

  2915.         host.preventBadBehaviour = CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR

  2916. 

  2917.     try:

  2918.         host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, type=bool)

  2919.     except:

  2920.         host.showLogs = CARLA_DEFAULT_MAIN_SHOW_LOGS

  2921. 

  2922.     try:

  2923.         host.showPluginBridges = settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, type=bool)

  2924.     except:

  2925.         host.showPluginBridges = CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES

  2926. 

  2927.     try:

  2928.         host.showWineBridges = settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, type=bool)

  2929.     except:

  2930.         host.showWineBridges = CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES

  2931. 

  2932.     try:

  2933.         host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, type=int)

  2934.     except:

  2935.         host.uiBridgesTimeout = CARLA_DEFAULT_UI_BRIDGES_TIMEOUT

  2936. 

  2937.     try:

  2938.         host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, type=bool)

  2939.     except:

  2940.         host.uisAlwaysOnTop = CARLA_DEFAULT_UIS_ALWAYS_ON_TOP

  2941. 

  2942.     if host.isPlugin:

  2943.         return

  2944. 

  2945.     try:

  2946.         host.transportExtra = settings.value(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, "", type=str)

  2947.     except:

  2948.         host.transportExtra = ""

  2949. 

  2950.     # enums

  2951.     if host.audioDriverForced is None:

  2952.         try:

  2953.             host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, type=int)

  2954.         except:

  2955.             host.transportMode = CARLA_DEFAULT_TRANSPORT_MODE

  2956. 

  2957.     if not host.processModeForced:

  2958.         try:

  2959.             host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, type=int)

  2960.         except:

  2961.             host.processMode = CARLA_DEFAULT_PROCESS_MODE

  2962. 

  2963.     host.nextProcessMode = host.processMode

  2964. 

  2965.     # --------------------------------------------------------------------------------------------------------

  2966.     # fix things if needed

  2967. 

  2968.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  2969.         if LADISH_APP_NAME:

  2970.             print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  2971.             host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  2972. 

  2973.         else:

  2974.             host.transportMode = ENGINE_TRANSPORT_MODE_JACK

  2975. 

  2976.     if gCarla.nogui:

  2977.         host.showLogs = False

  2978. 

  2979.     # --------------------------------------------------------------------------------------------------------

  2980.     # run headless host now if nogui option enabled

  2981. 

  2982.     if gCarla.nogui:

  2983.         runHostWithoutUI(host)

  2984. 

  2985. # ------------------------------------------------------------------------------------------------------------

  2986. # Set host settings

  2987. 

  2988. def setHostSettings(host):

  2989.     # kdevelop likes this :)

  2990.     if False: host = CarlaHostNull()

  2991. 

  2992.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  2993.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  2994.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  2995.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  2996.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  2997.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  2998.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  2999. 

  3000.     if host.isPlugin or host.isRemote or host.is_engine_running():

  3001.         return

  3002. 

  3003.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  3004.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       host.transportExtra)

  3005.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  3006. 

  3007. # ------------------------------------------------------------------------------------------------------------

  3008. # Set Engine settings according to carla preferences. Returns selected audio driver.

  3009. 

  3010. def setEngineSettings(host):

  3011.     # kdevelop likes this :)

  3012.     if False: host = CarlaHostNull()

  3013. 

  3014.     # --------------------------------------------------------------------------------------------------------

  3015.     # do nothing if control

  3016. 

  3017.     if host.isControl:

  3018.         return "Control"

  3019. 

  3020.     # --------------------------------------------------------------------------------------------------------

  3021. 

  3022.     settings = QSettings("falkTX", "Carla2")

  3023. 

  3024.     # --------------------------------------------------------------------------------------------------------

  3025.     # main settings

  3026. 

  3027.     setHostSettings(host)

  3028. 

  3029.     # --------------------------------------------------------------------------------------------------------

  3030.     # plugin paths

  3031. 

  3032.     LADSPA_PATH = toList(settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH))

  3033.     DSSI_PATH   = toList(settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH))

  3034.     LV2_PATH    = toList(settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH))

  3035.     VST2_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST2,   CARLA_DEFAULT_VST2_PATH))

  3036.     VST3_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST3,   CARLA_DEFAULT_VST3_PATH))

  3037.     SF2_PATH    = toList(settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH))

  3038.     SFZ_PATH    = toList(settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH))

  3039. 

  3040.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  3041.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  3042.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  3043.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2,   splitter.join(VST2_PATH))

  3044.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST3,   splitter.join(VST3_PATH))

  3045.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  3046.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  3047. 

  3048.     # --------------------------------------------------------------------------------------------------------

  3049.     # don't continue if plugin

  3050. 

  3051.     if host.isPlugin:

  3052.         return "Plugin"

  3053. 

  3054.     # --------------------------------------------------------------------------------------------------------

  3055.     # osc settings

  3056. 

  3057.     oscEnabled = settings.value(CARLA_KEY_OSC_ENABLED, CARLA_DEFAULT_OSC_ENABLED, type=bool)

  3058. 

  3059.     if not settings.value(CARLA_KEY_OSC_TCP_PORT_ENABLED, CARLA_DEFAULT_OSC_TCP_PORT_ENABLED, type=bool):

  3060.         portNumTCP = -1

  3061.     elif settings.value(CARLA_KEY_OSC_TCP_PORT_RANDOM, CARLA_DEFAULT_OSC_TCP_PORT_RANDOM, type=bool):

  3062.         portNumTCP = 0

  3063.     else:

  3064.         portNumTCP = settings.value(CARLA_KEY_OSC_TCP_PORT_NUMBER, CARLA_DEFAULT_OSC_TCP_PORT_NUMBER, type=int)

  3065. 

  3066.     if not settings.value(CARLA_KEY_OSC_UDP_PORT_ENABLED, CARLA_DEFAULT_OSC_UDP_PORT_ENABLED, type=bool):

  3067.         portNumUDP = -1

  3068.     elif settings.value(CARLA_KEY_OSC_UDP_PORT_RANDOM, CARLA_DEFAULT_OSC_UDP_PORT_RANDOM, type=bool):

  3069.         portNumUDP = 0

  3070.     else:

  3071.         portNumUDP = settings.value(CARLA_KEY_OSC_UDP_PORT_NUMBER, CARLA_DEFAULT_OSC_UDP_PORT_NUMBER, type=int)

  3072. 

  3073.     host.set_engine_option(ENGINE_OPTION_OSC_ENABLED, 1 if oscEnabled else 0, "")

  3074.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_TCP, portNumTCP, "")

  3075.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_UDP, portNumUDP, "")

  3076. 

  3077.     # --------------------------------------------------------------------------------------------------------

  3078.     # wine settings

  3079. 

  3080.     optWineExecutable = settings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, type=str)

  3081.     optWineAutoPrefix = settings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, type=bool)

  3082.     optWineFallbackPrefix = settings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, type=str)

  3083.     optWineRtPrioEnabled = settings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, type=bool)

  3084.     optWineBaseRtPrio = settings.value(CARLA_KEY_WINE_BASE_RT_PRIO,   CARLA_DEFAULT_WINE_BASE_RT_PRIO, type=int)

  3085.     optWineServerRtPrio = settings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, type=int)

  3086. 

  3087.     host.set_engine_option(ENGINE_OPTION_WINE_EXECUTABLE, 0, optWineExecutable)

  3088.     host.set_engine_option(ENGINE_OPTION_WINE_AUTO_PREFIX, 1 if optWineAutoPrefix else 0, "")

  3089.     host.set_engine_option(ENGINE_OPTION_WINE_FALLBACK_PREFIX, 0, os.path.expanduser(optWineFallbackPrefix))

  3090.     host.set_engine_option(ENGINE_OPTION_WINE_RT_PRIO_ENABLED, 1 if optWineRtPrioEnabled else 0, "")

  3091.     host.set_engine_option(ENGINE_OPTION_WINE_BASE_RT_PRIO, optWineBaseRtPrio, "")

  3092.     host.set_engine_option(ENGINE_OPTION_WINE_SERVER_RT_PRIO, optWineServerRtPrio, "")

  3093. 

  3094.     # --------------------------------------------------------------------------------------------------------

  3095.     # driver and device settings

  3096. 

  3097.     # driver name

  3098.     if host.audioDriverForced is not None:

  3099.         audioDriver = host.audioDriverForced

  3100.     else:

  3101.         try:

  3102.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, type=str)

  3103.         except:

  3104.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  3105. 

  3106.     # driver options

  3107.     try:

  3108.         audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", type=str)

  3109.     except:

  3110.         audioDevice = ""

  3111. 

  3112.     try:

  3113.         audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, type=int)

  3114.     except:

  3115.         audioBufferSize = CARLA_DEFAULT_AUDIO_BUFFER_SIZE

  3116. 

  3117.     try:

  3118.         audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, type=int)

  3119.     except:

  3120.         audioSampleRate = CARLA_DEFAULT_AUDIO_SAMPLE_RATE

  3121. 

  3122.     try:

  3123.         audioTripleBuffer = settings.value("%s%s/TripleBuffer" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER, type=int)

  3124.     except:

  3125.         audioTripleBuffer = CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER

  3126. 

  3127.     # Only setup audio things if engine is not running

  3128.     if not host.is_engine_running():

  3129.         host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE, 0, audioDevice)

  3130. 

  3131.         if not audioDriver.startswith("JACK"):

  3132.             host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  3133.             host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  3134.             host.set_engine_option(ENGINE_OPTION_AUDIO_TRIPLE_BUFFER, audioTripleBuffer, "")

  3135. 

  3136.     # --------------------------------------------------------------------------------------------------------

  3137.     # fix things if needed

  3138. 

  3139.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  3140.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  3141.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, host.transportExtra)

  3142. 

  3143.     # --------------------------------------------------------------------------------------------------------

  3144.     # return selected driver name

  3145. 

  3146.     return audioDriver

  3147. 

  3148. # ------------------------------------------------------------------------------------------------------------

  3149. # Run Carla without showing UI

  3150. 

  3151. def runHostWithoutUI(host):

  3152.     # kdevelop likes this :)

  3153.     if False: host = CarlaHostNull()

  3154. 

  3155.     # --------------------------------------------------------------------------------------------------------

  3156.     # Some initial checks

  3157. 

  3158.     if not gCarla.nogui:

  3159.         return

  3160. 

  3161.     projectFile = getInitialProjectFile(QCoreApplication.instance(), True)

  3162. 

  3163.     if not projectFile:

  3164.         print("Carla no-gui mode can only be used together with a project file.")

  3165.         sys.exit(1)

  3166. 

  3167.     # --------------------------------------------------------------------------------------------------------

  3168.     # Additional imports

  3169. 

  3170.     from time import sleep

  3171. 

  3172.     # --------------------------------------------------------------------------------------------------------

  3173.     # Init engine

  3174. 

  3175.     audioDriver = setEngineSettings(host)

  3176.     if not host.engine_init(audioDriver, "Carla"):

  3177.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  3178.         sys.exit(1)

  3179. 

  3180.     if not host.load_project(projectFile):

  3181.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  3182.         host.engine_close()

  3183.         sys.exit(1)

  3184. 

  3185.     # --------------------------------------------------------------------------------------------------------

  3186.     # Idle

  3187. 

  3188.     print("Carla ready!")

  3189. 

  3190.     while host.is_engine_running() and not gCarla.term:

  3191.         host.engine_idle()

  3192.         sleep(0.0333) # 30 Hz

  3193. 

  3194.     # --------------------------------------------------------------------------------------------------------

  3195.     # Stop

  3196. 

  3197.     host.engine_close()

  3198.     sys.exit(0)

  3199. 

  3200. # ------------------------------------------------------------------------------------------------------------