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

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  1. #!/usr/bin/env python3

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

  3. 

  4. # Carla host code

  5. # Copyright (C) 2011-2018 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 (Config)

  21. 

  22. from carla_config import *

  23. 

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

  25. # Imports (Global)

  26. 

  27. import json

  28. 

  29. if config_UseQt5:

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

  31.     from PyQt5.QtGui import QImage, QPalette

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

  33. else:

  34.     from PyQt4.QtCore import qCritical, QFileInfo, QModelIndex, QPointF, QTimer

  35.     from PyQt4.QtGui import QImage, QPalette

  36.     from PyQt4.QtGui import QAction, QApplication, QInputDialog, QFileSystemModel, QListWidgetItem, QMainWindow

  37. 

  38. # ------------------------------------------------------------------------------------------------------------

  39. # Imports (Custom)

  40. 

  41. import patchcanvas

  42. import ui_carla_host

  43. 

  44. from carla_app import *

  45. from carla_database import *

  46. from carla_settings import *

  47. from carla_utils import *

  48. from carla_widgets import *

  49. 

  50. from digitalpeakmeter import DigitalPeakMeter

  51. from pixmapkeyboard import PixmapKeyboardHArea

  52. 

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

  54. # Try Import OpenGL

  55. 

  56. try:

  57.     if config_UseQt5:

  58.         from PyQt5.QtOpenGL import QGLWidget

  59.     else:

  60.         from PyQt4.QtOpenGL import QGLWidget

  61.     hasGL = True

  62. except:

  63.     hasGL = False

  64. 

  65. # ------------------------------------------------------------------------------------------------------------

  66. # Safe exception hook, needed for PyQt5

  67. 

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

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

  70. 

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

  72. # Session Management support

  73. 

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

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

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

  77. 

  78. # ------------------------------------------------------------------------------------------------------------

  79. # Carla Print class

  80. 

  81. class CarlaPrint:

  82.     def __init__(self, err):

  83.         self.err = err

  84. 

  85.     def flush(self):

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

  87. 

  88.     def write(self, string):

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

  90. 

  91. # ------------------------------------------------------------------------------------------------------------

  92. # Host Window

  93. 

  94. class HostWindow(QMainWindow):

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

  96.     # signals

  97.     SIGTERM = pyqtSignal()

  98.     SIGUSR1 = pyqtSignal()

  99. 

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

  101. 

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

  103.         QMainWindow.__init__(self, parent)

  104.         self.host = host

  105.         self.ui = ui_carla_host.Ui_CarlaHostW()

  106.         self.ui.setupUi(self)

  107.         gCarla.gui = self

  108. 

  109.         if False:

  110.             # kdevelop likes this :)

  111.             host = CarlaHostNull()

  112.             self.host = host

  113. 

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

  115. 

  116.         self.fParentOrSelf = parent or self

  117. 

  118.         # ----------------------------------------------------------------------------------------------------

  119.         # Internal stuff

  120. 

  121.         self.fIdleTimerFast = 0

  122.         self.fIdleTimerSlow = 0

  123. 

  124.         self.fLadspaRdfNeedsUpdate = True

  125.         self.fLadspaRdfList = []

  126. 

  127.         self.fPluginCount = 0

  128.         self.fPluginList  = []

  129. 

  130.         self.fProjectFilename  = ""

  131.         self.fIsProjectLoading = False

  132.         self.fCurrentlyRemovingAllPlugins = False

  133. 

  134.         self.fLastTransportBPM   = 0.0

  135.         self.fLastTransportFrame = 0

  136.         self.fLastTransportState = False

  137.         self.fSampleRate         = 0.0

  138. 

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

  140.         # 1 for close carla, 2 for load project

  141.         self.fCustomStopAction = 0

  142. 

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

  144.         self.fFirstEngineInit = True

  145. 

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

  147.         self.fSavedSettings = {}

  148. 

  149.         if host.isControl:

  150.             self.fClientName         = "Carla-Control"

  151.             self.fSessionManagerName = "Control"

  152.         elif host.isPlugin:

  153.             self.fClientName         = "Carla-Plugin"

  154.             self.fSessionManagerName = "Plugin"

  155.         elif LADISH_APP_NAME:

  156.             self.fClientName         = LADISH_APP_NAME

  157.             self.fSessionManagerName = "LADISH"

  158.         elif NSM_URL and host.nsmOK:

  159.             self.fClientName         = "Carla.tmp"

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

  161.         else:

  162.             self.fClientName         = CARLA_CLIENT_NAME or "Carla"

  163.             self.fSessionManagerName = ""

  164. 

  165.         # ----------------------------------------------------------------------------------------------------

  166.         # Internal stuff (patchbay)

  167. 

  168.         self.fExportImage = QImage()

  169. 

  170.         self.fPeaksCleared = True

  171. 

  172.         self.fExternalPatchbay = False

  173.         self.fSelectedPlugins  = []

  174. 

  175.         self.fCanvasWidth  = 0

  176.         self.fCanvasHeight = 0

  177.         self.fMiniCanvasUpdateTimeout = 0

  178. 

  179.         self.fWithCanvas = withCanvas

  180. 

  181.         # ----------------------------------------------------------------------------------------------------

  182.         # Set up GUI (engine stopped)

  183. 

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

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

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

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

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

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

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

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

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

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

  194. 

  195.             if self.host.isControl:

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

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

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

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

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

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

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

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

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

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

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

  207.             else:

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

  209. 

  210.         else:

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

  212. 

  213.             if WINDOWS:

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

  215. 

  216.         if not self.host.isControl:

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

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

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

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

  221. 

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

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

  224. 

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

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

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

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

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

  230. 

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

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

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

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

  235. 

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

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

  238. 

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

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

  241. 

  242.         if not withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  260.             self.ui.miniCanvasPreview.hide()

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

  262.             if WINDOWS:

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

  264. 

  265.             if host.isControl:

  266.                 self.ui.dockWidget.hide()

  267. 

  268.         # ----------------------------------------------------------------------------------------------------

  269.         # Set up GUI (disk)

  270. 

  271.         exts = gCarla.utils.get_supported_file_extensions()

  272. 

  273.         self.fDirModel = QFileSystemModel(self)

  274.         self.fDirModel.setRootPath(HOME)

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

  276. 

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

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

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

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

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

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

  283. 

  284.         # ----------------------------------------------------------------------------------------------------

  285.         # Set up GUI (transport)

  286. 

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

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

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

  290. 

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

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

  293. 

  294.         if minLabelWidth < labelTimeWidth:

  295.             minLabelWidth = labelTimeWidth

  296.         if minLabelWidth < labelBBTWidth:

  297.             minLabelWidth = labelBBTWidth

  298. 

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

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

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

  302. 

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

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

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

  306. 

  307.         if host.isControl or host.isPlugin:

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

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

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

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

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

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

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

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

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

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

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

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

  320. 

  321.         if MACOS: # FIXME

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

  323. 

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

  325. 

  326.         # ----------------------------------------------------------------------------------------------------

  327.         # Set up GUI (rack)

  328. 

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

  330. 

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

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

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

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

  335. 

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

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

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

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

  340. 

  341.         self.ui.rack.setStyleSheet("""

  342.           QLabel#pad_left {

  343.             background-image: url(:/bitmaps/rack_padding_left.png);

  344.             background-repeat: repeat-y;

  345.           }

  346.           QLabel#pad_right {

  347.             background-image: url(:/bitmaps/rack_padding_right.png);

  348.             background-repeat: repeat-y;

  349.           }

  350.           CarlaRackList#CarlaRackList {

  351.             background-color: black;

  352.           }

  353.         """)

  354. 

  355.         # ----------------------------------------------------------------------------------------------------

  356.         # Set up GUI (patchbay)

  357. 

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

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

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

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

  362. 

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

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

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

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

  367. 

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

  369.         self.ui.keyboard   = self.ui.scrollArea.keyboard

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

  371. 

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

  373. 

  374.         self.ui.miniCanvasPreview.setRealParent(self)

  375. 

  376.         # ----------------------------------------------------------------------------------------------------

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

  378. 

  379.         if MACOS:

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

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

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

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

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

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

  386. 

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

  388.         # Load Settings

  389. 

  390.         self.loadSettings(True)

  391. 

  392.         # ----------------------------------------------------------------------------------------------------

  393.         # Set-up Canvas

  394. 

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

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

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

  398. 

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

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

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

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

  403. 

  404.         self.setupCanvas()

  405. 

  406.         # ----------------------------------------------------------------------------------------------------

  407.         # Connect actions to functions

  408. 

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

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

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

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

  413. 

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

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

  416. 

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

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

  419.         self.ui.act_plugin_remove_all.triggered.connect(self.slot_pluginRemoveAll)

  420. 

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

  422. 

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

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

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

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

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

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

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

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

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

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

  433. 

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

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

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

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

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

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

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

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

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

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

  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_qt.triggered.connect(self.slot_aboutQt)

  453. 

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

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

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

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

  458. 

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

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

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

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

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

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

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

  466. 

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

  468. 

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

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

  471. 

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

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

  474. 

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

  476. 

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

  478. 

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

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

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

  482. 

  483.         self.SIGUSR1.connect(self.slot_handleSIGUSR1)

  484.         self.SIGTERM.connect(self.slot_handleSIGTERM)

  485. 

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

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

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

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

  490. 

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

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

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

  494. 

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

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

  497. 

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

  499. 

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

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

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

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

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

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

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

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

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

  509. 

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

  511. 

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

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

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

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

  516. 

  517.         # ----------------------------------------------------------------------------------------------------

  518.         # Final setup

  519. 

  520.         self.ui.text_logs.clear()

  521.         self.setProperWindowTitle()

  522. 

  523.         # Disable non-supported features

  524.         features = gCarla.utils.get_supported_features()

  525. 

  526.         if "link" not in features:

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

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

  529. 

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

  531.         if self.host.isPlugin:

  532.             self.startTimers()

  533. 

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

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

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

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

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

  539. 

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

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

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

  543. 

  544.         # Load initial project file if set

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

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

  547. 

  548.             if projectFile:

  549.                 self.loadProjectLater(projectFile)

  550. 

  551.         # For NSM we wait for the open message

  552.         if NSM_URL and host.nsmOK:

  553.             host.nsm_ready(-1)

  554.             return

  555. 

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

  557. 

  558.     # --------------------------------------------------------------------------------------------------------

  559.     # Setup

  560. 

  561.     def compactPlugin(self, pluginId):

  562.         if pluginId > self.fPluginCount:

  563.             return

  564. 

  565.         pitem = self.fPluginList[pluginId]

  566. 

  567.         if pitem is None:

  568.             return

  569. 

  570.         pitem.recreateWidget(True)

  571. 

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

  573.         if pluginIdA == pluginIdB:

  574.             return

  575.         if pluginIdA < 0 or pluginIdB < 0:

  576.             return

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

  578.             return

  579. 

  580.         useCustomSkins = self.fSavedSettings[CARLA_KEY_MAIN_USE_CUSTOM_SKINS]

  581. 

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

  583. 

  584.         itemA = self.fPluginList[pluginIdA]

  585.         compactA = itemA.isCompacted()

  586.         guiShownA = itemA.isGuiShown()

  587. 

  588.         itemB = self.fPluginList[pluginIdB]

  589.         compactB = itemB.isCompacted()

  590.         guiShownB = itemB.isGuiShown()

  591. 

  592.         itemA.setPluginId(pluginIdA)

  593.         itemA.recreateWidget2(compactB, guiShownB)

  594. 

  595.         itemB.setPluginId(pluginIdB)

  596.         itemB.recreateWidget2(compactA, guiShownA)

  597. 

  598.         self.slot_canvasRefresh()

  599. 

  600.     def setLoadRDFsNeeded(self):

  601.         self.fLadspaRdfNeedsUpdate = True

  602. 

  603.     def setProperWindowTitle(self):

  604.         title = self.fClientName

  605. 

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

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

  608.         if self.fSessionManagerName:

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

  610. 

  611.         self.setWindowTitle(title)

  612. 

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

  614.     # Files

  615. 

  616.     def makeExtraFilename(self):

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

  618. 

  619.     def loadProjectNow(self):

  620.         if not self.fProjectFilename:

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

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

  623.             return

  624. 

  625.         self.projectLoadingStarted()

  626.         self.fIsProjectLoading = True

  627.         self.host.load_project(self.fProjectFilename)

  628. 

  629.         # Project finished loading is sent by engine

  630. 

  631.     def loadProjectLater(self, filename):

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

  633.         self.setProperWindowTitle()

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

  635. 

  636.     def saveProjectNow(self):

  637.         if not self.fProjectFilename:

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

  639. 

  640.         self.host.save_project(self.fProjectFilename)

  641. 

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

  643.             json.dump({

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

  645.             }, fh)

  646. 

  647.     def projectLoadingStarted(self):

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

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

  650. 

  651.     def projectLoadingFinished(self):

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

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

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

  655. 

  656.         extrafile = self.makeExtraFilename()

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

  658.             return

  659. 

  660.         try:

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

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

  663.         except:

  664.             return

  665. 

  666.         patchcanvas.restoreGroupPositions(canvasdata)

  667. 

  668.     # --------------------------------------------------------------------------------------------------------

  669.     # Files (menu actions)

  670. 

  671.     @pyqtSlot()

  672.     def slot_fileNew(self):

  673.         self.slot_pluginRemoveAll()

  674.         self.fProjectFilename = ""

  675.         self.setProperWindowTitle()

  676. 

  677.     @pyqtSlot()

  678.     def slot_fileOpen(self):

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

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

  681. 

  682.         if config_UseQt5:

  683.             filename = filename[0]

  684.         if not filename:

  685.             return

  686. 

  687.         newFile = True

  688. 

  689.         if self.fPluginCount > 0:

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

  691.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  693. 

  694.         if newFile:

  695.             self.slot_pluginRemoveAll()

  696.             self.fProjectFilename = filename

  697.             self.setProperWindowTitle()

  698.             self.loadProjectNow()

  699.         else:

  700.             filenameOld = self.fProjectFilename

  701.             self.fProjectFilename = filename

  702.             self.loadProjectNow()

  703.             self.fProjectFilename = filenameOld

  704. 

  705.     @pyqtSlot()

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

  707.         if self.fProjectFilename and not saveAs:

  708.             return self.saveProjectNow()

  709. 

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

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

  712. 

  713.         if config_UseQt5:

  714.             filename = filename[0]

  715.         if not filename:

  716.             return

  717. 

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

  719.             filename += ".carxp"

  720. 

  721.         if self.fProjectFilename != filename:

  722.             self.fProjectFilename = filename

  723.             self.setProperWindowTitle()

  724. 

  725.         self.saveProjectNow()

  726. 

  727.     @pyqtSlot()

  728.     def slot_fileSaveAs(self):

  729.         self.slot_fileSave(True)

  730. 

  731.     @pyqtSlot()

  732.     def slot_loadProjectNow(self):

  733.         self.loadProjectNow()

  734. 

  735.     # --------------------------------------------------------------------------------------------------------

  736.     # Engine (menu actions)

  737. 

  738.     @pyqtSlot()

  739.     def slot_engineStart(self):

  740.         audioDriver = setEngineSettings(self.host)

  741.         firstInit   = self.fFirstEngineInit

  742. 

  743.         self.fFirstEngineInit = False

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

  745. 

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

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

  748.             return

  749. 

  750.         elif firstInit:

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

  752.             return

  753. 

  754.         audioError = self.host.get_last_error()

  755. 

  756.         if audioError:

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

  758.         else:

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

  760. 

  761.     @pyqtSlot()

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

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

  764. 

  765.         if self.fPluginCount == 0:

  766.             self.engineStopFinal()

  767.             return True

  768. 

  769.         if not forced:

  770.             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"

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

  772.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  773.             if ask != QMessageBox.Yes:

  774.                 return False

  775. 

  776.         return self.slot_engineStopTryAgain()

  777. 

  778.     @pyqtSlot()

  779.     def slot_engineStopTryAgain(self):

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

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

  782.             return False

  783. 

  784.         self.engineStopFinal()

  785.         return True

  786. 

  787.     def engineStopFinal(self):

  788.         self.killTimers()

  789.         self.removeAllPlugins()

  790. 

  791.         if self.host.is_engine_running():

  792.             self.host.remove_all_plugins()

  793. 

  794.             if self.host.engine_close():

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

  796.             else:

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

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

  799. 

  800.         if self.fCustomStopAction == 1:

  801.             self.close()

  802.         elif self.fCustomStopAction == 2:

  803.             self.slot_engineStart()

  804.             self.loadProjectNow()

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

  806. 

  807.         self.fCustomStopAction = 0

  808. 

  809.     # --------------------------------------------------------------------------------------------------------

  810.     # Engine (host callbacks)

  811. 

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

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

  814.         self.fSampleRate = sampleRate

  815. 

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

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

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

  819. 

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

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

  822. 

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

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

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

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

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

  828.         else:

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

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

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

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

  833. 

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

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

  836. 

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

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

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

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

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

  842.             self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  843. 

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

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

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

  847. 

  848.         self.refreshTransport(True)

  849. 

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

  851.         self.ui.cb_transport_jack.setEnabled(driverName == "JACK")

  852. 

  853.         self.startTimers()

  854. 

  855.     @pyqtSlot()

  856.     def slot_handleEngineStoppedCallback(self):

  857.         patchcanvas.clear()

  858.         self.killTimers()

  859. 

  860.         # just in case

  861.         self.removeAllPlugins()

  862. 

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

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

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

  866. 

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

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

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

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

  871. 

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

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

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

  875. 

  876.     @pyqtSlot(float)

  877.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  878.         self.fSampleRate = newSampleRate

  879.         self.refreshTransport(True)

  880. 

  881.     @pyqtSlot()

  882.     def slot_handleProjectLoadFinishedCallback(self):

  883.         self.fIsProjectLoading = False

  884.         self.projectLoadingFinished()

  885. 

  886.     # --------------------------------------------------------------------------------------------------------

  887.     # Plugins

  888. 

  889.     def removeAllPlugins(self):

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

  891.         patchcanvas.handleAllPluginsRemoved()

  892. 

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

  894.             pass

  895. 

  896.         self.clearSideStuff()

  897. 

  898.         for pitem in self.fPluginList:

  899.             if pitem is None:

  900.                 continue

  901. 

  902.             pitem.close()

  903.             del pitem

  904. 

  905.         self.fPluginCount = 0

  906.         self.fPluginList  = []

  907. 

  908.     # --------------------------------------------------------------------------------------------------------

  909.     # Plugins (menu actions)

  910. 

  911.     def showAddPluginDialog(self):

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

  913. 

  914.         if not dialog.exec_():

  915.             return

  916. 

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

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

  919.             return

  920. 

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

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

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

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

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

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

  927. 

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

  929. 

  930.     def showAddJackAppDialog(self):

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

  932. 

  933.         if not dialog.exec_():

  934.             return

  935. 

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

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

  938.             return

  939. 

  940.         return dialog.getCommandAndFlags()

  941. 

  942.     @pyqtSlot()

  943.     def showPluginActionsMenu(self):

  944.         menu = QMenu(self)

  945. 

  946.         if config_UseQt5:

  947.             menu.addSection("Plugins")

  948.         else:

  949.             # fake section

  950.             act  = menu.addAction("  Plugins")

  951.             font = act.font()

  952.             font.setBold(True)

  953.             act.setFont(font)

  954.             act.setEnabled(False)

  955.             menu.addSeparator()

  956. 

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

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

  959. 

  960.         if config_UseQt5:

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

  962.         else:

  963.             # fake space

  964.             act  = menu.addAction(" ")

  965.             font = act.font()

  966.             font.setBold(True)

  967.             font.setPointSize(font.pointSize()/2)

  968.             act.setEnabled(False)

  969. 

  970.             # fake section

  971.             act  = menu.addAction("  All plugins (macros)")

  972.             font = act.font()

  973.             font.setBold(True)

  974.             act.setFont(font)

  975.             act.setEnabled(False)

  976.             menu.addSeparator()

  977. 

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

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

  980.         menu.addSeparator()

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

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

  983.         menu.addSeparator()

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

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

  986.         menu.addSeparator()

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

  988.         menu.addSeparator()

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

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

  991. 

  992.         menu.exec_(QCursor.pos())

  993. 

  994.     @pyqtSlot()

  995.     def slot_pluginAdd(self):

  996.         data = self.showAddPluginDialog()

  997. 

  998.         if data is None:

  999.             return

  1000. 

  1001.         btype, ptype, filename, label, uniqueId, extraPtr = data

  1002. 

  1003.         if not self.host.add_plugin(btype, ptype, filename, None, label, uniqueId, extraPtr, 0x0):

  1004.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"), self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1005. 

  1006.     @pyqtSlot()

  1007.     def slot_pluginRemoveAll(self):

  1008.         if self.fPluginCount == 0:

  1009.             return

  1010. 

  1011.         # FIXME - this is not working

  1012.         # removing a plugin causes flicker, the rack-list becomes empty for some time

  1013.         # this breaks the remove-all animation, so don't bother using it

  1014.         if False and not self.host.isPlugin:

  1015.             self.projectLoadingStarted()

  1016. 

  1017.             app = QApplication.instance()

  1018.             app.processEvents()

  1019. 

  1020.             for i in reversed(range(self.fPluginCount)):

  1021.                 self.host.remove_plugin(i)

  1022.                 app.processEvents()

  1023. 

  1024.             self.projectLoadingFinished()

  1025. 

  1026.         self.fCurrentlyRemovingAllPlugins = True

  1027.         ok = self.host.remove_all_plugins()

  1028.         self.fCurrentlyRemovingAllPlugins = False

  1029. 

  1030.         if ok:

  1031.             self.removeAllPlugins()

  1032.         else:

  1033.             CustomMessageBox(self, QMessageBox.Warning, self.tr("Error"), self.tr("Operation failed"),

  1034.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1035. 

  1036.         self.fCurrentlyRemovingAllPlugins = False

  1037. 

  1038.     @pyqtSlot()

  1039.     def slot_jackAppAdd(self):

  1040.         data = self.showAddJackAppDialog()

  1041. 

  1042.         if data is None:

  1043.             return

  1044. 

  1045.         filename, name, label = data

  1046. 

  1047.         if not filename:

  1048.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Cannot add jack application"),

  1049.                                    self.tr("command is empty"), QMessageBox.Ok, QMessageBox.Ok)

  1050.             return

  1051. 

  1052.         if not self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, filename, name, label, 0, None, 0x0):

  1053.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1054.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1055. 

  1056.     # --------------------------------------------------------------------------------------------------------

  1057.     # Plugins (macros)

  1058. 

  1059.     @pyqtSlot()

  1060.     def slot_pluginsEnable(self):

  1061.         if not self.host.is_engine_running():

  1062.             return

  1063. 

  1064.         for pitem in self.fPluginList:

  1065.             if pitem is None:

  1066.                 break

  1067. 

  1068.             pitem.getWidget().setActive(True, True, True)

  1069. 

  1070.     @pyqtSlot()

  1071.     def slot_pluginsDisable(self):

  1072.         if not self.host.is_engine_running():

  1073.             return

  1074. 

  1075.         for pitem in self.fPluginList:

  1076.             if pitem is None:

  1077.                 break

  1078. 

  1079.             pitem.getWidget().setActive(False, True, True)

  1080. 

  1081.     @pyqtSlot()

  1082.     def slot_pluginsVolume100(self):

  1083.         if not self.host.is_engine_running():

  1084.             return

  1085. 

  1086.         for pitem in self.fPluginList:

  1087.             if pitem is None:

  1088.                 break

  1089. 

  1090.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 1.0)

  1091. 

  1092.     @pyqtSlot()

  1093.     def slot_pluginsMute(self):

  1094.         if not self.host.is_engine_running():

  1095.             return

  1096. 

  1097.         for pitem in self.fPluginList:

  1098.             if pitem is None:

  1099.                 break

  1100. 

  1101.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 0.0)

  1102. 

  1103.     @pyqtSlot()

  1104.     def slot_pluginsWet100(self):

  1105.         if not self.host.is_engine_running():

  1106.             return

  1107. 

  1108.         for pitem in self.fPluginList:

  1109.             if pitem is None:

  1110.                 break

  1111. 

  1112.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 1.0)

  1113. 

  1114.     @pyqtSlot()

  1115.     def slot_pluginsBypass(self):

  1116.         if not self.host.is_engine_running():

  1117.             return

  1118. 

  1119.         for pitem in self.fPluginList:

  1120.             if pitem is None:

  1121.                 break

  1122. 

  1123.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 0.0)

  1124. 

  1125.     @pyqtSlot()

  1126.     def slot_pluginsCenter(self):

  1127.         if not self.host.is_engine_running():

  1128.             return

  1129. 

  1130.         for pitem in self.fPluginList:

  1131.             if pitem is None:

  1132.                 break

  1133. 

  1134.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1135.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1136.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1137. 

  1138.     @pyqtSlot()

  1139.     def slot_pluginsCompact(self):

  1140.         for pitem in self.fPluginList:

  1141.             if pitem is None:

  1142.                 break

  1143.             pitem.compact()

  1144. 

  1145.     @pyqtSlot()

  1146.     def slot_pluginsExpand(self):

  1147.         for pitem in self.fPluginList:

  1148.             if pitem is None:

  1149.                 break

  1150.             pitem.expand()

  1151. 

  1152.     # --------------------------------------------------------------------------------------------------------

  1153.     # Plugins (host callbacks)

  1154. 

  1155.     @pyqtSlot(int, str)

  1156.     def slot_handlePluginAddedCallback(self, pluginId, pluginName):

  1157.         pitem = self.ui.listWidget.createItem(pluginId, self.fSavedSettings[CARLA_KEY_MAIN_USE_CUSTOM_SKINS])

  1158. 

  1159.         self.fPluginList.append(pitem)

  1160.         self.fPluginCount += 1

  1161. 

  1162.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1163. 

  1164.     @pyqtSlot(int)

  1165.     def slot_handlePluginRemovedCallback(self, pluginId):

  1166.         patchcanvas.handlePluginRemoved(pluginId)

  1167. 

  1168.         if pluginId in self.fSelectedPlugins:

  1169.             self.clearSideStuff()

  1170. 

  1171.         pitem = self.getPluginItem(pluginId)

  1172. 

  1173.         self.fPluginCount -= 1

  1174.         self.fPluginList.pop(pluginId)

  1175.         self.ui.listWidget.takeItem(pluginId)

  1176. 

  1177.         if pitem is not None:

  1178.             pitem.close()

  1179.             del pitem

  1180. 

  1181.         # push all plugins 1 slot back

  1182.         for i in range(pluginId, self.fPluginCount):

  1183.             pitem = self.fPluginList[i]

  1184.             pitem.setPluginId(i)

  1185. 

  1186.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1187. 

  1188.     # --------------------------------------------------------------------------------------------------------

  1189.     # Canvas

  1190. 

  1191.     def clearSideStuff(self):

  1192.         self.scene.clearSelection()

  1193. 

  1194.         self.fSelectedPlugins = []

  1195. 

  1196.         self.ui.keyboard.allNotesOff(False)

  1197.         self.ui.scrollArea.setEnabled(False)

  1198. 

  1199.         self.fPeaksCleared = True

  1200.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1201.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1202.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1203.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1204. 

  1205.     def setupCanvas(self):

  1206.         pOptions = patchcanvas.options_t()

  1207.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1208.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1209.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1210.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1211.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1212. 

  1213.         if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY]:

  1214.             pOptions.eyecandy      = patchcanvas.EYECANDY_FULL

  1215.         elif self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]:

  1216.             pOptions.eyecandy      = patchcanvas.EYECANDY_SMALL

  1217.         else:

  1218.             pOptions.eyecandy      = patchcanvas.EYECANDY_NONE

  1219. 

  1220.         pFeatures = patchcanvas.features_t()

  1221.         pFeatures.group_info   = False

  1222.         pFeatures.group_rename = False

  1223.         pFeatures.port_info    = False

  1224.         pFeatures.port_rename  = False

  1225.         pFeatures.handle_group_pos = True

  1226. 

  1227.         patchcanvas.setOptions(pOptions)

  1228.         patchcanvas.setFeatures(pFeatures)

  1229.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1230. 

  1231.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1232. 

  1233.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1234.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1235.             self.fCanvasHeight = int(tryCanvasSize[1])

  1236.         else:

  1237.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1238.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1239. 

  1240.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1241.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1242.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1243. 

  1244.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1245.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1246. 

  1247.     def updateCanvasInitialPos(self):

  1248.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1249.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1250.         patchcanvas.setInitialPos(x, y)

  1251. 

  1252.     def updateMiniCanvasLater(self):

  1253.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1254. 

  1255.     # --------------------------------------------------------------------------------------------------------

  1256.     # Canvas (menu actions)

  1257. 

  1258.     @pyqtSlot()

  1259.     def slot_canvasShowInternal(self):

  1260.         self.fExternalPatchbay = False

  1261.         self.ui.act_canvas_show_internal.blockSignals(True)

  1262.         self.ui.act_canvas_show_external.blockSignals(True)

  1263.         self.ui.act_canvas_show_internal.setChecked(True)

  1264.         self.ui.act_canvas_show_external.setChecked(False)

  1265.         self.ui.act_canvas_show_internal.blockSignals(False)

  1266.         self.ui.act_canvas_show_external.blockSignals(False)

  1267.         self.slot_canvasRefresh()

  1268. 

  1269.     @pyqtSlot()

  1270.     def slot_canvasShowExternal(self):

  1271.         self.fExternalPatchbay = True

  1272.         self.ui.act_canvas_show_internal.blockSignals(True)

  1273.         self.ui.act_canvas_show_external.blockSignals(True)

  1274.         self.ui.act_canvas_show_internal.setChecked(False)

  1275.         self.ui.act_canvas_show_external.setChecked(True)

  1276.         self.ui.act_canvas_show_internal.blockSignals(False)

  1277.         self.ui.act_canvas_show_external.blockSignals(False)

  1278.         self.slot_canvasRefresh()

  1279. 

  1280.     @pyqtSlot()

  1281.     def slot_canvasArrange(self):

  1282.         patchcanvas.arrange()

  1283. 

  1284.     @pyqtSlot()

  1285.     def slot_canvasRefresh(self):

  1286.         patchcanvas.clear()

  1287. 

  1288.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and (self.host.isControl or self.host.isPlugin):

  1289.             return

  1290. 

  1291.         if self.host.is_engine_running():

  1292.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1293. 

  1294.         self.updateMiniCanvasLater()

  1295. 

  1296.     @pyqtSlot()

  1297.     def slot_canvasZoomFit(self):

  1298.         self.scene.zoom_fit()

  1299. 

  1300.     @pyqtSlot()

  1301.     def slot_canvasZoomIn(self):

  1302.         self.scene.zoom_in()

  1303. 

  1304.     @pyqtSlot()

  1305.     def slot_canvasZoomOut(self):

  1306.         self.scene.zoom_out()

  1307. 

  1308.     @pyqtSlot()

  1309.     def slot_canvasZoomReset(self):

  1310.         self.scene.zoom_reset()

  1311. 

  1312.     @pyqtSlot()

  1313.     def slot_canvasSaveImage(self):

  1314.         newPath = QFileDialog.getSaveFileName(self, self.tr("Save Image"), filter=self.tr("PNG Image (*.png);;JPEG Image (*.jpg)"))

  1315. 

  1316.         if config_UseQt5:

  1317.             newPath = newPath[0]

  1318.         if not newPath:

  1319.             return

  1320. 

  1321.         self.scene.clearSelection()

  1322. 

  1323.         if newPath.lower().endswith((".jpg", ".jpeg")):

  1324.             imgFormat = "JPG"

  1325.         elif newPath.lower().endswith((".png",)):

  1326.             imgFormat = "PNG"

  1327.         else:

  1328.             # File-dialog may not auto-add the extension

  1329.             imgFormat = "PNG"

  1330.             newPath  += ".png"

  1331. 

  1332.         self.fExportImage = QImage(self.scene.sceneRect().width(), self.scene.sceneRect().height(), QImage.Format_RGB32)

  1333.         painter = QPainter(self.fExportImage)

  1334.         painter.save()

  1335.         painter.setRenderHint(QPainter.Antialiasing) # TODO - set true, cleanup this

  1336.         painter.setRenderHint(QPainter.TextAntialiasing)

  1337.         self.scene.render(painter)

  1338.         self.fExportImage.save(newPath, imgFormat, 100)

  1339.         painter.restore()

  1340. 

  1341.     # --------------------------------------------------------------------------------------------------------

  1342.     # Canvas (canvas callbacks)

  1343. 

  1344.     @pyqtSlot(int, int, QPointF)

  1345.     def slot_canvasItemMoved(self, group_id, split_mode, pos):

  1346.         self.updateMiniCanvasLater()

  1347. 

  1348.     @pyqtSlot(float)

  1349.     def slot_canvasScaleChanged(self, scale):

  1350.         self.ui.miniCanvasPreview.setViewScale(scale)

  1351. 

  1352.     @pyqtSlot(list)

  1353.     def slot_canvasPluginSelected(self, pluginList):

  1354.         self.ui.keyboard.allNotesOff(False)

  1355.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1356.         self.fSelectedPlugins = pluginList

  1357. 

  1358.     # --------------------------------------------------------------------------------------------------------

  1359.     # Canvas (host callbacks)

  1360. 

  1361.     @pyqtSlot(int, int, int, str)

  1362.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1363.         pcSplit = patchcanvas.SPLIT_UNDEF

  1364.         pcIcon  = patchcanvas.ICON_APPLICATION

  1365. 

  1366.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1367.             pcIcon = patchcanvas.ICON_PLUGIN

  1368.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1369.             pcIcon = patchcanvas.ICON_HARDWARE

  1370.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1371.             pass

  1372.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1373.             pcIcon = patchcanvas.ICON_DISTRHO

  1374.         elif clientIcon == PATCHBAY_ICON_FILE:

  1375.             pcIcon = patchcanvas.ICON_FILE

  1376. 

  1377.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1378. 

  1379.         self.updateMiniCanvasLater()

  1380. 

  1381.         if pluginId < 0:

  1382.             return

  1383.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1384.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1385.             return

  1386. 

  1387.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1388.             hasCustomUI = False

  1389.         else:

  1390.             hasCustomUI = bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI)

  1391. 

  1392.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI)

  1393. 

  1394.     @pyqtSlot(int)

  1395.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1396.         patchcanvas.removeGroup(clientId)

  1397.         self.updateMiniCanvasLater()

  1398. 

  1399.     @pyqtSlot(int, str)

  1400.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1401.         patchcanvas.renameGroup(clientId, newClientName)

  1402.         self.updateMiniCanvasLater()

  1403. 

  1404.     @pyqtSlot(int, int, int)

  1405.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1406.         pcIcon = patchcanvas.ICON_APPLICATION

  1407. 

  1408.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1409.             pcIcon = patchcanvas.ICON_PLUGIN

  1410.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1411.             pcIcon = patchcanvas.ICON_HARDWARE

  1412.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1413.             pass

  1414.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1415.             pcIcon = patchcanvas.ICON_DISTRHO

  1416.         elif clientIcon == PATCHBAY_ICON_FILE:

  1417.             pcIcon = patchcanvas.ICON_FILE

  1418. 

  1419.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1420.         self.updateMiniCanvasLater()

  1421. 

  1422.         if pluginId < 0:

  1423.             return

  1424.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1425.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1426.             return

  1427. 

  1428.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1429.             hasCustomUI = False

  1430.         else:

  1431.             hasCustomUI = bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI)

  1432. 

  1433.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI)

  1434. 

  1435.     @pyqtSlot(int, int, int, str)

  1436.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portName):

  1437.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1438.             portMode = patchcanvas.PORT_MODE_INPUT

  1439.         else:

  1440.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1441. 

  1442.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1443.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1444.             isAlternate = False

  1445.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1446.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1447.             isAlternate = True

  1448.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1449.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1450.             isAlternate = False

  1451.         else:

  1452.             portType    = patchcanvas.PORT_TYPE_NULL

  1453.             isAlternate = False

  1454. 

  1455.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1456.         self.updateMiniCanvasLater()

  1457. 

  1458.     @pyqtSlot(int, int)

  1459.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  1460.         patchcanvas.removePort(groupId, portId)

  1461.         self.updateMiniCanvasLater()

  1462. 

  1463.     @pyqtSlot(int, int, str)

  1464.     def slot_handlePatchbayPortRenamedCallback(self, groupId, portId, newPortName):

  1465.         patchcanvas.renamePort(groupId, portId, newPortName)

  1466.         self.updateMiniCanvasLater()

  1467. 

  1468.     @pyqtSlot(int, int, int, int, int)

  1469.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1470.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1471.         self.updateMiniCanvasLater()

  1472. 

  1473.     @pyqtSlot(int, int, int)

  1474.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1475.         patchcanvas.disconnectPorts(connectionId)

  1476.         self.updateMiniCanvasLater()

  1477. 

  1478.     # --------------------------------------------------------------------------------------------------------

  1479.     # Settings

  1480. 

  1481.     def saveSettings(self):

  1482.         settings = QSettings()

  1483. 

  1484.         settings.setValue("Geometry", self.saveGeometry())

  1485. 

  1486.         #settings.setValue("SplitterState", self.ui.splitter.saveState())

  1487. 

  1488.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  1489. 

  1490.         settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  1491. 

  1492.         diskFolders = []

  1493. 

  1494.         for i in range(self.ui.cb_disk.count()):

  1495.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1496. 

  1497.         settings.setValue("DiskFolders", diskFolders)

  1498. 

  1499.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1500.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1501.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1502.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1503. 

  1504.     def loadSettings(self, firstTime):

  1505.         settings = QSettings()

  1506. 

  1507.         if firstTime:

  1508.             self.restoreGeometry(settings.value("Geometry", b""))

  1509. 

  1510.             showToolbar = settings.value("ShowToolbar", True, type=bool)

  1511.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1512.             self.ui.toolBar.setEnabled(showToolbar)

  1513.             self.ui.toolBar.setVisible(showToolbar)

  1514. 

  1515.             #if settings.contains("SplitterState"):

  1516.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  1517.             #else:

  1518.                 #self.ui.splitter.setSizes([210, 99999])

  1519. 

  1520.             showSidePanel = settings.value("ShowSidePanel", True, type=bool)

  1521.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  1522.             self.ui.dockWidget.setEnabled(showSidePanel)

  1523.             self.ui.dockWidget.setVisible(showSidePanel)

  1524. 

  1525.             diskFolders = toList(settings.value("DiskFolders", [HOME]))

  1526. 

  1527.             self.ui.cb_disk.setItemData(0, HOME)

  1528. 

  1529.             for i in range(len(diskFolders)):

  1530.                 if i == 0: continue

  1531.                 folder = diskFolders[i]

  1532.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1533. 

  1534.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, type=bool):

  1535.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1536. 

  1537.             showMeters = settings.value("ShowMeters", False, type=bool)

  1538.             self.ui.act_settings_show_meters.setChecked(showMeters)

  1539.             self.ui.peak_in.setVisible(showMeters)

  1540.             self.ui.peak_out.setVisible(showMeters)

  1541. 

  1542.             showKeyboard = settings.value("ShowKeyboard", not(MACOS or WINDOWS), type=bool)

  1543.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  1544.             self.ui.scrollArea.setVisible(showKeyboard)

  1545. 

  1546.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  1547. 

  1548.         # TODO - complete this

  1549. 

  1550.         self.fSavedSettings = {

  1551.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      type=str),

  1552.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    type=int),

  1553.             CARLA_KEY_MAIN_USE_CUSTOM_SKINS:    settings.value(CARLA_KEY_MAIN_USE_CUSTOM_SKINS,    CARLA_DEFAULT_MAIN_USE_CUSTOM_SKINS,    type=bool),

  1554.             CARLA_KEY_MAIN_EXPERIMENTAL:        settings.value(CARLA_KEY_MAIN_EXPERIMENTAL,        CARLA_DEFAULT_MAIN_EXPERIMENTAL,        type=bool),

  1555.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             type=str),

  1556.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              type=str),

  1557.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  type=bool),

  1558.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, type=bool),

  1559.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  type=bool),

  1560.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         type=bool),

  1561.             CARLA_KEY_CANVAS_FANCY_EYE_CANDY:   settings.value(CARLA_KEY_CANVAS_FANCY_EYE_CANDY,   CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY,   type=bool),

  1562.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        type=bool),

  1563.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      type=int),

  1564.             CARLA_KEY_CANVAS_HQ_ANTIALIASING:   settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   type=bool),

  1565.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   type=bool) and

  1566.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", type=str).lower() == "black"),

  1567.         }

  1568. 

  1569.         settings = QSettings("falkTX", "Carla2")

  1570. 

  1571.         if self.host.experimental and not self.host.isControl:

  1572.             self.ui.act_add_jack.setVisible(settings.value(CARLA_KEY_EXPERIMENTAL_JACK_APPS,

  1573.                                                            CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS, type=bool))

  1574.         else:

  1575.             self.ui.act_add_jack.setVisible(False)

  1576. 

  1577.         if not (self.host.isControl or self.host.isPlugin):

  1578.             if self.ui.cb_transport_jack.isChecked():

  1579.                 transportMode = ENGINE_TRANSPORT_MODE_JACK

  1580.             else:

  1581.                 transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  1582.             transportExtra = ":link:" if self.ui.cb_transport_link.isChecked() else ""

  1583. 

  1584.             self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1585.             self.host.transportMode = transportMode

  1586.             self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, transportMode, transportExtra)

  1587. 

  1588.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY] else 0

  1589. 

  1590.         setEngineSettings(self.host)

  1591.         self.restartTimersIfNeeded()

  1592. 

  1593.     # --------------------------------------------------------------------------------------------------------

  1594.     # Settings (helpers)

  1595. 

  1596.     def enableTransport(self, enabled):

  1597.         self.ui.group_transport_controls.setEnabled(enabled)

  1598.         self.ui.group_transport_settings.setEnabled(enabled)

  1599. 

  1600.     @pyqtSlot()

  1601.     def slot_restoreCanvasScrollbarValues(self):

  1602.         settings = QSettings()

  1603.         self.ui.graphicsView.horizontalScrollBar().setValue(settings.value("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().maximum()/2, type=int))

  1604.         self.ui.graphicsView.verticalScrollBar().setValue(settings.value("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().maximum()/2, type=int))

  1605. 

  1606.     # --------------------------------------------------------------------------------------------------------

  1607.     # Settings (menu actions)

  1608. 

  1609.     @pyqtSlot(bool)

  1610.     def slot_showSidePanel(self, yesNo):

  1611.         self.ui.dockWidget.setEnabled(yesNo)

  1612.         self.ui.dockWidget.setVisible(yesNo)

  1613. 

  1614.     @pyqtSlot(bool)

  1615.     def slot_showToolbar(self, yesNo):

  1616.         self.ui.toolBar.setEnabled(yesNo)

  1617.         self.ui.toolBar.setVisible(yesNo)

  1618. 

  1619.     @pyqtSlot(bool)

  1620.     def slot_showCanvasMeters(self, yesNo):

  1621.         self.ui.peak_in.setVisible(yesNo)

  1622.         self.ui.peak_out.setVisible(yesNo)

  1623.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1624. 

  1625.     @pyqtSlot(bool)

  1626.     def slot_showCanvasKeyboard(self, yesNo):

  1627.         self.ui.scrollArea.setVisible(yesNo)

  1628.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1629. 

  1630.     @pyqtSlot()

  1631.     def slot_configureCarla(self):

  1632.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  1633.         if not dialog.exec_():

  1634.             return

  1635. 

  1636.         self.loadSettings(False)

  1637. 

  1638.         patchcanvas.clear()

  1639. 

  1640.         self.setupCanvas()

  1641.         self.slot_miniCanvasCheckAll()

  1642. 

  1643.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1644.             pass

  1645.         elif self.host.is_engine_running():

  1646.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1647. 

  1648.         for pitem in self.fPluginList:

  1649.             if pitem is None:

  1650.                 break

  1651.             pitem.setUsingSkins(self.fSavedSettings[CARLA_KEY_MAIN_USE_CUSTOM_SKINS])

  1652.             pitem.recreateWidget()

  1653. 

  1654.     # --------------------------------------------------------------------------------------------------------

  1655.     # About (menu actions)

  1656. 

  1657.     @pyqtSlot()

  1658.     def slot_aboutCarla(self):

  1659.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  1660. 

  1661.     @pyqtSlot()

  1662.     def slot_aboutQt(self):

  1663.         QApplication.instance().aboutQt()

  1664. 

  1665.     # --------------------------------------------------------------------------------------------------------

  1666.     # Disk (menu actions)

  1667. 

  1668.     @pyqtSlot(int)

  1669.     def slot_diskFolderChanged(self, index):

  1670.         if index < 0:

  1671.             return

  1672.         elif index == 0:

  1673.             filename = HOME

  1674.             self.ui.b_disk_remove.setEnabled(False)

  1675.         else:

  1676.             filename = self.ui.cb_disk.itemData(index)

  1677.             self.ui.b_disk_remove.setEnabled(True)

  1678. 

  1679.         self.fDirModel.setRootPath(filename)

  1680.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  1681. 

  1682.     @pyqtSlot()

  1683.     def slot_diskFolderAdd(self):

  1684.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  1685. 

  1686.         if newPath:

  1687.             if newPath[-1] == os.sep:

  1688.                 newPath = newPath[:-1]

  1689.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  1690.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  1691.             self.ui.b_disk_remove.setEnabled(True)

  1692. 

  1693.     @pyqtSlot()

  1694.     def slot_diskFolderRemove(self):

  1695.         index = self.ui.cb_disk.currentIndex()

  1696. 

  1697.         if index <= 0:

  1698.             return

  1699. 

  1700.         self.ui.cb_disk.removeItem(index)

  1701. 

  1702.         if self.ui.cb_disk.currentIndex() == 0:

  1703.             self.ui.b_disk_remove.setEnabled(False)

  1704. 

  1705.     @pyqtSlot(QModelIndex)

  1706.     def slot_fileTreeDoubleClicked(self, modelIndex):

  1707.         filename = self.fDirModel.filePath(modelIndex)

  1708. 

  1709.         if not self.ui.listWidget.isDragUrlValid(filename):

  1710.             return

  1711. 

  1712.         if not self.host.load_file(filename):

  1713.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  1714.                              self.tr("Failed to load file"),

  1715.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1716. 

  1717.     # --------------------------------------------------------------------------------------------------------

  1718.     # Transport

  1719. 

  1720.     def refreshTransport(self, forced = False):

  1721.         if not self.isVisible():

  1722.             return

  1723.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  1724.             return

  1725. 

  1726.         timeInfo = self.host.get_transport_info()

  1727.         playing  = timeInfo['playing']

  1728.         frame    = timeInfo['frame']

  1729.         bpm      = timeInfo['bpm']

  1730. 

  1731.         if playing != self.fLastTransportState or forced:

  1732.             if playing:

  1733.                 icon = getIcon("media-playback-pause")

  1734.                 self.ui.b_transport_play.setChecked(True)

  1735.                 self.ui.b_transport_play.setIcon(icon)

  1736.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  1737.             else:

  1738.                 icon = getIcon("media-playback-start")

  1739.                 self.ui.b_transport_play.setChecked(False)

  1740.                 self.ui.b_transport_play.setIcon(icon)

  1741.                 #self.ui.b_play.setText(self.tr("&Play"))

  1742. 

  1743.             self.fLastTransportState = playing

  1744. 

  1745.         if frame != self.fLastTransportFrame or forced:

  1746.             self.fLastTransportFrame = frame

  1747. 

  1748.             time = frame / self.fSampleRate

  1749.             secs =  time % 60

  1750.             mins = (time / 60) % 60

  1751.             hrs  = (time / 3600) % 60

  1752.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  1753. 

  1754.             frame1 =  frame % 1000

  1755.             frame2 = (frame / 1000) % 1000

  1756.             frame3 = (frame / 1000000) % 1000

  1757.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  1758. 

  1759.             bar  = timeInfo['bar']

  1760.             beat = timeInfo['beat']

  1761.             tick = timeInfo['tick']

  1762.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  1763. 

  1764.         if bpm != self.fLastTransportBPM or forced:

  1765.             self.fLastTransportBPM = bpm

  1766. 

  1767.             if bpm > 0.0:

  1768.                 self.ui.dsb_transport_bpm.blockSignals(True)

  1769.                 self.ui.dsb_transport_bpm.setValue(bpm)

  1770.                 self.ui.dsb_transport_bpm.blockSignals(False)

  1771.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  1772.             else:

  1773.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  1774. 

  1775.     # --------------------------------------------------------------------------------------------------------

  1776.     # Transport (menu actions)

  1777. 

  1778.     @pyqtSlot(bool)

  1779.     def slot_transportPlayPause(self, toggled):

  1780.         if self.host.isPlugin or not self.host.is_engine_running():

  1781.             return

  1782. 

  1783.         if toggled:

  1784.             self.host.transport_play()

  1785.         else:

  1786.             self.host.transport_pause()

  1787. 

  1788.         self.refreshTransport()

  1789. 

  1790.     @pyqtSlot()

  1791.     def slot_transportStop(self):

  1792.         if self.host.isPlugin or not self.host.is_engine_running():

  1793.             return

  1794. 

  1795.         self.host.transport_pause()

  1796.         self.host.transport_relocate(0)

  1797. 

  1798.         self.refreshTransport()

  1799. 

  1800.     @pyqtSlot()

  1801.     def slot_transportBackwards(self):

  1802.         if self.host.isPlugin or not self.host.is_engine_running():

  1803.             return

  1804. 

  1805.         newFrame = self.host.get_current_transport_frame() - 100000

  1806. 

  1807.         if newFrame < 0:

  1808.             newFrame = 0

  1809. 

  1810.         self.host.transport_relocate(newFrame)

  1811. 

  1812.     @pyqtSlot(float)

  1813.     def slot_transportBpmChanged(self, newValue):

  1814.         self.host.transport_bpm(newValue)

  1815. 

  1816.     @pyqtSlot()

  1817.     def slot_transportForwards(self):

  1818.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  1819.             return

  1820. 

  1821.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  1822.         self.host.transport_relocate(newFrame)

  1823. 

  1824.     @pyqtSlot(bool)

  1825.     def slot_transportJackEnabled(self, clicked):

  1826.         if not self.host.is_engine_running():

  1827.             return

  1828.         mode  = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  1829.         extra = ":link:" if self.ui.cb_transport_link.isChecked() else ""

  1830.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, extra)

  1831. 

  1832.     @pyqtSlot(bool)

  1833.     def slot_transportLinkEnabled(self, clicked):

  1834.         if not self.host.is_engine_running():

  1835.             return

  1836.         mode  = ENGINE_TRANSPORT_MODE_JACK if self.ui.cb_transport_jack.isChecked() else ENGINE_TRANSPORT_MODE_INTERNAL

  1837.         extra = ":link:" if clicked else ""

  1838.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, extra)

  1839. 

  1840.     # --------------------------------------------------------------------------------------------------------

  1841.     # Canvas scrollbars

  1842. 

  1843.     @pyqtSlot(int)

  1844.     def slot_horizontalScrollBarChanged(self, value):

  1845.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  1846.         if maximum == 0:

  1847.             xp = 0

  1848.         else:

  1849.             xp = float(value) / maximum

  1850.         self.ui.miniCanvasPreview.setViewPosX(xp)

  1851.         self.updateCanvasInitialPos()

  1852. 

  1853.     @pyqtSlot(int)

  1854.     def slot_verticalScrollBarChanged(self, value):

  1855.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  1856.         if maximum == 0:

  1857.             yp = 0

  1858.         else:

  1859.             yp = float(value) / maximum

  1860.         self.ui.miniCanvasPreview.setViewPosY(yp)

  1861.         self.updateCanvasInitialPos()

  1862. 

  1863.     # --------------------------------------------------------------------------------------------------------

  1864.     # Canvas keyboard

  1865. 

  1866.     @pyqtSlot(int)

  1867.     def slot_noteOn(self, note):

  1868.         for pluginId in self.fSelectedPlugins:

  1869.             self.host.send_midi_note(pluginId, 0, note, 100)

  1870. 

  1871.             pedit = self.getPluginEditDialog(pluginId)

  1872.             pedit.noteOn(0, note, 100)

  1873. 

  1874.     @pyqtSlot(int)

  1875.     def slot_noteOff(self, note):

  1876.         for pluginId in self.fSelectedPlugins:

  1877.             self.host.send_midi_note(pluginId, 0, note, 0)

  1878. 

  1879.             pedit = self.getPluginEditDialog(pluginId)

  1880.             pedit.noteOff(0, note)

  1881. 

  1882.     # --------------------------------------------------------------------------------------------------------

  1883.     # Canvas keyboard (host callbacks)

  1884. 

  1885.     @pyqtSlot(int, int, int, int)

  1886.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  1887.         if pluginId in self.fSelectedPlugins:

  1888.             self.ui.keyboard.sendNoteOn(note, False)

  1889. 

  1890.     @pyqtSlot(int, int, int)

  1891.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  1892.         if pluginId in self.fSelectedPlugins:

  1893.             self.ui.keyboard.sendNoteOff(note, False)

  1894. 

  1895.     # --------------------------------------------------------------------------------------------------------

  1896. 

  1897.     @pyqtSlot(int)

  1898.     def slot_handleUpdateCallback(self, pluginId):

  1899.         pitem = self.getPluginItem(pluginId)

  1900. 

  1901.         if pitem is None:

  1902.             return

  1903. 

  1904.         wasCompacted = pitem.isCompacted()

  1905.         isCompacted  = wasCompacted

  1906. 

  1907.         for i in range(self.host.get_custom_data_count(pluginId)):

  1908.             cdata = self.host.get_custom_data(pluginId, i)

  1909. 

  1910.             if cdata['type'] == CUSTOM_DATA_TYPE_PROPERTY and cdata['key'] == "CarlaSkinIsCompacted":

  1911.                 isCompacted = bool(cdata['value'] == "true")

  1912.                 break

  1913.         else:

  1914.             return

  1915. 

  1916.         if wasCompacted == isCompacted:

  1917.             return

  1918. 

  1919.         pitem.recreateWidget(True)

  1920. 

  1921.     # --------------------------------------------------------------------------------------------------------

  1922.     # MiniCanvas stuff

  1923. 

  1924.     @pyqtSlot()

  1925.     def slot_miniCanvasCheckAll(self):

  1926.         self.slot_miniCanvasCheckSize()

  1927.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  1928.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  1929. 

  1930.     @pyqtSlot()

  1931.     def slot_miniCanvasCheckSize(self):

  1932.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  1933.             return

  1934. 

  1935.         currentIndex = self.ui.tabWidget.currentIndex()

  1936. 

  1937.         if currentIndex == 1:

  1938.             width  = self.ui.graphicsView.width()

  1939.             height = self.ui.graphicsView.height()

  1940.         else:

  1941.             self.ui.tabWidget.blockSignals(True)

  1942.             self.ui.tabWidget.setCurrentIndex(1)

  1943.             width  = self.ui.graphicsView.width()

  1944.             height = self.ui.graphicsView.height()

  1945.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  1946.             self.ui.tabWidget.blockSignals(False)

  1947. 

  1948.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  1949. 

  1950.     @pyqtSlot(float, float)

  1951.     def slot_miniCanvasMoved(self, xp, yp):

  1952.         hsb = self.ui.graphicsView.horizontalScrollBar()

  1953.         vsb = self.ui.graphicsView.verticalScrollBar()

  1954.         hsb.setValue(xp * hsb.maximum())

  1955.         vsb.setValue(yp * vsb.maximum())

  1956.         self.updateCanvasInitialPos()

  1957. 

  1958.     # --------------------------------------------------------------------------------------------------------

  1959.     # Timers

  1960. 

  1961.     def startTimers(self):

  1962.         if self.fIdleTimerFast == 0:

  1963.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  1964. 

  1965.         if self.fIdleTimerSlow == 0:

  1966.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  1967. 

  1968.     def restartTimersIfNeeded(self):

  1969.         if self.fIdleTimerFast != 0:

  1970.             self.killTimer(self.fIdleTimerFast)

  1971.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  1972. 

  1973.         if self.fIdleTimerSlow != 0:

  1974.             self.killTimer(self.fIdleTimerSlow)

  1975.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  1976. 

  1977.     def killTimers(self):

  1978.         if self.fIdleTimerFast != 0:

  1979.             self.killTimer(self.fIdleTimerFast)

  1980.             self.fIdleTimerFast = 0

  1981. 

  1982.         if self.fIdleTimerSlow != 0:

  1983.             self.killTimer(self.fIdleTimerSlow)

  1984.             self.fIdleTimerSlow = 0

  1985. 

  1986.     # --------------------------------------------------------------------------------------------------------

  1987.     # Misc

  1988. 

  1989.     @pyqtSlot(int)

  1990.     def slot_tabChanged(self, index):

  1991.         if index != 1:

  1992.             return

  1993. 

  1994.         self.ui.graphicsView.setFocus()

  1995. 

  1996.     @pyqtSlot(int)

  1997.     def slot_handleReloadAllCallback(self, pluginId):

  1998.         if pluginId >= self.fPluginCount:

  1999.             return

  2000. 

  2001.         pitem = self.fPluginList[pluginId]

  2002.         if pitem is None:

  2003.             return

  2004. 

  2005.         pitem.recreateWidget()

  2006. 

  2007.     # --------------------------------------------------------------------------------------------------------

  2008. 

  2009.     @pyqtSlot(int, int, str)

  2010.     def slot_handleNSMCallback(self, value1, value2, valueStr):

  2011.         # Error

  2012.         if value1 == 0:

  2013.             pass

  2014. 

  2015.         # Reply

  2016.         elif value1 == 1:

  2017.             self.fFirstEngineInit    = False

  2018.             self.fSessionManagerName = valueStr

  2019.             self.setProperWindowTitle()

  2020. 

  2021.         # Open

  2022.         elif value1 == 2:

  2023.             self.fClientName      = os.path.basename(valueStr)

  2024.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  2025.             self.setProperWindowTitle()

  2026. 

  2027.             self.fCustomStopAction = 2

  2028.             self.slot_engineStop(True)

  2029.             return

  2030. 

  2031.         # Save

  2032.         elif value1 == 3:

  2033.             self.saveProjectNow()

  2034. 

  2035.         # Session is Loaded

  2036.         elif value1 == 4:

  2037.             pass

  2038. 

  2039.         # Show Optional Gui

  2040.         elif value1 == 5:

  2041.             self.show()

  2042. 

  2043.         # Hide Optional Gui

  2044.         elif value1 == 6:

  2045.             self.hide()

  2046. 

  2047.         self.host.nsm_ready(value1)

  2048. 

  2049.     # --------------------------------------------------------------------------------------------------------

  2050. 

  2051.     def fixLogText(self, text):

  2052.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  2053. 

  2054.     @pyqtSlot(int, int, int, float, str)

  2055.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valueStr):

  2056.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  2057. 

  2058.     @pyqtSlot(str)

  2059.     def slot_handleInfoCallback(self, info):

  2060.         QMessageBox.information(self, "Information", info)

  2061. 

  2062.     @pyqtSlot(str)

  2063.     def slot_handleErrorCallback(self, error):

  2064.         QMessageBox.critical(self, "Error", error)

  2065. 

  2066.     @pyqtSlot()

  2067.     def slot_handleQuitCallback(self):

  2068.         pass # TODO

  2069. 

  2070.     # --------------------------------------------------------------------------------------------------------

  2071. 

  2072.     @pyqtSlot()

  2073.     def slot_handleSIGUSR1(self):

  2074.         print("Got SIGUSR1 -> Saving project now")

  2075.         self.slot_fileSave()

  2076. 

  2077.     @pyqtSlot()

  2078.     def slot_handleSIGTERM(self):

  2079.         print("Got SIGTERM -> Closing now")

  2080.         self.fCustomStopAction = 1

  2081.         self.slot_engineStop(True)

  2082. 

  2083.     # --------------------------------------------------------------------------------------------------------

  2084.     # Internal stuff

  2085. 

  2086.     def getExtraPtr(self, plugin):

  2087.         ptype = plugin['type']

  2088. 

  2089.         if ptype == PLUGIN_LADSPA:

  2090.             uniqueId = plugin['uniqueId']

  2091. 

  2092.             self.maybeLoadRDFs()

  2093. 

  2094.             for rdfItem in self.fLadspaRdfList:

  2095.                 if rdfItem.UniqueID == uniqueId:

  2096.                     return pointer(rdfItem)

  2097. 

  2098.         elif ptype in (PLUGIN_GIG, PLUGIN_SF2):

  2099.             if plugin['name'].lower().endswith(" (16 outputs)"):

  2100.                 return self._true

  2101. 

  2102.         return None

  2103. 

  2104.     def maybeLoadRDFs(self):

  2105.         if not self.fLadspaRdfNeedsUpdate:

  2106.             return

  2107. 

  2108.         self.fLadspaRdfNeedsUpdate = False

  2109.         self.fLadspaRdfList = []

  2110. 

  2111.         if not haveLRDF:

  2112.             return

  2113. 

  2114.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  2115.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  2116. 

  2117.         if os.path.exists(frLadspaFile):

  2118.             frLadspa = open(frLadspaFile, 'r')

  2119. 

  2120.             try:

  2121.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  2122.             except:

  2123.                 pass

  2124. 

  2125.             frLadspa.close()

  2126. 

  2127.     # --------------------------------------------------------------------------------------------------------

  2128. 

  2129.     def getPluginCount(self):

  2130.         return self.fPluginCount

  2131. 

  2132.     def getPluginItem(self, pluginId):

  2133.         if pluginId >= self.fPluginCount:

  2134.             return None

  2135. 

  2136.         pitem = self.fPluginList[pluginId]

  2137.         if pitem is None:

  2138.             return None

  2139.         #if False:

  2140.             #return CarlaRackItem(self, 0, False)

  2141. 

  2142.         return pitem

  2143. 

  2144.     def getPluginEditDialog(self, pluginId):

  2145.         if pluginId >= self.fPluginCount:

  2146.             return None

  2147. 

  2148.         pitem = self.fPluginList[pluginId]

  2149.         if pitem is None:

  2150.             return None

  2151.         if False:

  2152.             return PluginEdit(self, self.host, 0)

  2153. 

  2154.         return pitem.getEditDialog()

  2155. 

  2156.     def getPluginSlotWidget(self, pluginId):

  2157.         if pluginId >= self.fPluginCount:

  2158.             return None

  2159. 

  2160.         pitem = self.fPluginList[pluginId]

  2161.         if pitem is None:

  2162.             return None

  2163.         #if False:

  2164.             #return AbstractPluginSlot()

  2165. 

  2166.         return pitem.getWidget()

  2167. 

  2168.     # --------------------------------------------------------------------------------------------------------

  2169. 

  2170.     def waitForPendingEvents(self):

  2171.         pass

  2172. 

  2173.     # --------------------------------------------------------------------------------------------------------

  2174.     # show/hide event

  2175. 

  2176.     def showEvent(self, event):

  2177.         self.refreshTransport(True)

  2178.         QMainWindow.showEvent(self, event)

  2179. 

  2180.         # set our gui as parent for all plugins UIs

  2181.         if self.host.manageUIs and not (self.host.isControl or self.host.isPlugin):

  2182.             if MACOS:

  2183.                 nsViewPtr = int(self.winId())

  2184.                 winIdStr  = "%x" % gCarla.utils.cocoa_get_window(nsViewPtr)

  2185.             else:

  2186.                 winIdStr = "%x" % int(self.winId())

  2187.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2188. 

  2189.     def hideEvent(self, event):

  2190.         # disable parent

  2191.         if not (self.host.isControl or self.host.isPlugin):

  2192.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2193. 

  2194.         QMainWindow.hideEvent(self, event)

  2195. 

  2196.     # --------------------------------------------------------------------------------------------------------

  2197.     # resize event

  2198. 

  2199.     def fixCanvasPreviewSize(self):

  2200.         self.ui.patchbay.resize(self.ui.rack.size())

  2201.         self.slot_miniCanvasCheckSize()

  2202. 

  2203.     def resizeEvent(self, event):

  2204.         QMainWindow.resizeEvent(self, event)

  2205. 

  2206.         if self.ui.tabWidget.currentIndex() != 1:

  2207.             size = self.ui.rack.size()

  2208.             self.ui.patchbay.resize(size)

  2209. 

  2210.         self.slot_miniCanvasCheckSize()

  2211. 

  2212.     # --------------------------------------------------------------------------------------------------------

  2213.     # timer event

  2214. 

  2215.     def idleFast(self):

  2216.         self.host.engine_idle()

  2217.         self.refreshTransport()

  2218. 

  2219.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2220.             return

  2221. 

  2222.         for pitem in self.fPluginList:

  2223.             if pitem is None:

  2224.                 break

  2225. 

  2226.             pitem.getWidget().idleFast()

  2227. 

  2228.         for pluginId in self.fSelectedPlugins:

  2229.             self.fPeaksCleared = False

  2230.             if self.ui.peak_in.isVisible():

  2231.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2232.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2233.             if self.ui.peak_out.isVisible():

  2234.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2235.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2236.             return

  2237. 

  2238.         if self.fPeaksCleared:

  2239.             return

  2240. 

  2241.         self.fPeaksCleared = True

  2242.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2243.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2244.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2245.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2246. 

  2247.     def idleSlow(self):

  2248.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2249.             return

  2250. 

  2251.         for pitem in self.fPluginList:

  2252.             if pitem is None:

  2253.                 break

  2254. 

  2255.             pitem.getWidget().idleSlow()

  2256. 

  2257.     def timerEvent(self, event):

  2258.         if event.timerId() == self.fIdleTimerFast:

  2259.             self.idleFast()

  2260. 

  2261.         elif event.timerId() == self.fIdleTimerSlow:

  2262.             self.idleSlow()

  2263. 

  2264.         QMainWindow.timerEvent(self, event)

  2265. 

  2266.     # --------------------------------------------------------------------------------------------------------

  2267.     # paint event

  2268. 

  2269.     #def paintEvent(self, event):

  2270.         #QMainWindow.paintEvent(self, event)

  2271. 

  2272.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2273.             #return

  2274. 

  2275.         #painter = QPainter(self)

  2276.         #painter.setBrush(QColor(36, 36, 36))

  2277.         #painter.setPen(QColor(62, 62, 62))

  2278.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2279. 

  2280.     # --------------------------------------------------------------------------------------------------------

  2281.     # close event

  2282. 

  2283.     def closeEvent(self, event):

  2284.         self.killTimers()

  2285.         self.saveSettings()

  2286. 

  2287.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  2288.             if not self.slot_engineStop(True):

  2289.                 self.fCustomStopAction = 1

  2290.                 event.ignore()

  2291.                 return

  2292. 

  2293.         QMainWindow.closeEvent(self, event)

  2294. 

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

  2296. # Canvas callback

  2297. 

  2298. def canvasCallback(action, value1, value2, valueStr):

  2299.     host = gCarla.gui.host

  2300. 

  2301.     if action == patchcanvas.ACTION_GROUP_INFO:

  2302.         pass

  2303. 

  2304.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  2305.         pass

  2306. 

  2307.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  2308.         groupId = value1

  2309.         patchcanvas.splitGroup(groupId)

  2310.         gCarla.gui.updateMiniCanvasLater()

  2311. 

  2312.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  2313.         groupId = value1

  2314.         patchcanvas.joinGroup(groupId)

  2315.         gCarla.gui.updateMiniCanvasLater()

  2316. 

  2317.     elif action == patchcanvas.ACTION_PORT_INFO:

  2318.         pass

  2319. 

  2320.     elif action == patchcanvas.ACTION_PORT_RENAME:

  2321.         pass

  2322. 

  2323.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  2324.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")]

  2325. 

  2326.         if not host.patchbay_connect(gOut, pOut, gIn, pIn):

  2327.             print("Connection failed:", host.get_last_error())

  2328. 

  2329.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  2330.         connectionId = value1

  2331. 

  2332.         if not host.patchbay_disconnect(connectionId):

  2333.             print("Disconnect failed:", host.get_last_error())

  2334. 

  2335.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  2336.         pluginId = value1

  2337. 

  2338.         if not host.clone_plugin(pluginId):

  2339.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2340.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2341. 

  2342.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  2343.         pluginId = value1

  2344.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2345. 

  2346.         if pwidget is not None:

  2347.             pwidget.showEditDialog()

  2348. 

  2349.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  2350.         pluginId = value1

  2351.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2352. 

  2353.         if pwidget is not None:

  2354.             pwidget.showRenameDialog()

  2355. 

  2356.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  2357.         pluginId = value1

  2358.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2359. 

  2360.         if pwidget is not None:

  2361.             pwidget.showReplaceDialog()

  2362. 

  2363.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  2364.         pluginId = value1

  2365. 

  2366.         if not host.remove_plugin(pluginId):

  2367.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2368.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2369. 

  2370.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  2371.         pluginId = value1

  2372.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2373. 

  2374.         if pwidget is not None:

  2375.             pwidget.showCustomUI()

  2376. 

  2377.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  2378.         gCarla.gui.showPluginActionsMenu()

  2379. 

  2380. # ------------------------------------------------------------------------------------------------------------

  2381. # Engine callback

  2382. 

  2383. def engineCallback(host, action, pluginId, value1, value2, value3, valueStr):

  2384.     # kdevelop likes this :)

  2385.     if False: host = CarlaHostNull()

  2386. 

  2387.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  2388.         host.processMode   = value1

  2389.         host.transportMode = value2

  2390.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2391.         host.processMode   = value1

  2392.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2393.         host.transportMode = value1

  2394. 

  2395.     valueStr = charPtrToString(valueStr)

  2396. 

  2397.     if action == ENGINE_CALLBACK_DEBUG:

  2398.         host.DebugCallback.emit(pluginId, value1, value2, value3, valueStr)

  2399.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  2400.         host.PluginAddedCallback.emit(pluginId, valueStr)

  2401.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  2402.         host.PluginRemovedCallback.emit(pluginId)

  2403.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  2404.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  2405.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  2406.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  2407.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  2408.         host.ParameterValueChangedCallback.emit(pluginId, value1, value3)

  2409.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  2410.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, value3)

  2411.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CC_CHANGED:

  2412.         host.ParameterMidiCcChangedCallback.emit(pluginId, value1, value2)

  2413.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  2414.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  2415.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  2416.         host.ProgramChangedCallback.emit(pluginId, value1)

  2417.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  2418.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  2419.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  2420.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  2421.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  2422.         host.UiStateChangedCallback.emit(pluginId, value1)

  2423.     elif action == ENGINE_CALLBACK_NOTE_ON:

  2424.         host.NoteOnCallback.emit(pluginId, value1, value2, round(value3))

  2425.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  2426.         host.NoteOffCallback.emit(pluginId, value1, value2)

  2427.     elif action == ENGINE_CALLBACK_UPDATE:

  2428.         host.UpdateCallback.emit(pluginId)

  2429.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  2430.         host.ReloadInfoCallback.emit(pluginId)

  2431.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  2432.         host.ReloadParametersCallback.emit(pluginId)

  2433.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  2434.         host.ReloadProgramsCallback.emit(pluginId)

  2435.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  2436.         host.ReloadAllCallback.emit(pluginId)

  2437.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  2438.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  2439.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  2440.         host.PatchbayClientRemovedCallback.emit(pluginId)

  2441.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  2442.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  2443.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  2444.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  2445.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  2446.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, valueStr)

  2447.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  2448.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  2449.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_RENAMED:

  2450.         host.PatchbayPortRenamedCallback.emit(pluginId, value1, valueStr)

  2451.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  2452.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  2453.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  2454.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  2455.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  2456.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  2457.         host.EngineStartedCallback.emit(value1, value2, value3, valueStr)

  2458.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  2459.         host.EngineStoppedCallback.emit()

  2460.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2461.         host.ProcessModeChangedCallback.emit(value1)

  2462.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2463.         host.TransportModeChangedCallback.emit(value1)

  2464.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  2465.         host.BufferSizeChangedCallback.emit(value1)

  2466.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  2467.         host.SampleRateChangedCallback.emit(value3)

  2468.     elif action == ENGINE_CALLBACK_PROJECT_LOAD_FINISHED:

  2469.         host.ProjectLoadFinishedCallback.emit()

  2470.     elif action == ENGINE_CALLBACK_NSM:

  2471.         host.NSMCallback.emit(value1, value2, valueStr)

  2472.     elif action == ENGINE_CALLBACK_IDLE:

  2473.         QApplication.instance().processEvents()

  2474.     elif action == ENGINE_CALLBACK_INFO:

  2475.         host.InfoCallback.emit(valueStr)

  2476.     elif action == ENGINE_CALLBACK_ERROR:

  2477.         host.ErrorCallback.emit(valueStr)

  2478.     elif action == ENGINE_CALLBACK_QUIT:

  2479.         host.QuitCallback.emit()

  2480. 

  2481. # ------------------------------------------------------------------------------------------------------------

  2482. # File callback

  2483. 

  2484. def fileCallback(ptr, action, isDir, title, filter):

  2485.     ret = ("", "") if config_UseQt5 else ""

  2486. 

  2487.     if action == FILE_CALLBACK_DEBUG:

  2488.         pass

  2489.     elif action == FILE_CALLBACK_OPEN:

  2490.         ret = QFileDialog.getOpenFileName(gCarla.gui, charPtrToString(title), "", charPtrToString(filter) ) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  2491.     elif action == FILE_CALLBACK_SAVE:

  2492.         ret = QFileDialog.getSaveFileName(gCarla.gui, charPtrToString(title), "", charPtrToString(filter), QFileDialog.ShowDirsOnly if isDir else 0x0)

  2493. 

  2494.     if config_UseQt5:

  2495.         ret = ret[0]

  2496.     if not ret:

  2497.         return None

  2498. 

  2499.     # FIXME

  2500.     global fileRet

  2501.     fileRet = c_char_p(ret.encode("utf-8"))

  2502.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  2503.     return retval.contents.value

  2504. 

  2505. # ------------------------------------------------------------------------------------------------------------

  2506. # Init host

  2507. 

  2508. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  2509.     pathBinaries, pathResources = getPaths(libPrefix)

  2510. 

  2511.     # --------------------------------------------------------------------------------------------------------

  2512.     # Check if we should open main lib as local or global

  2513. 

  2514.     settings = QSettings("falkTX", "Carla2")

  2515. 

  2516.     try:

  2517.         loadGlobal = settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL, CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL, type=bool)

  2518.     except:

  2519.         loadGlobal = CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL

  2520. 

  2521.     # --------------------------------------------------------------------------------------------------------

  2522.     # Fail if binary dir is not found

  2523. 

  2524.     if not os.path.exists(pathBinaries):

  2525.         if failError:

  2526.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  2527.             sys.exit(1)

  2528.         return

  2529. 

  2530.     # --------------------------------------------------------------------------------------------------------

  2531.     # Set Carla library name

  2532. 

  2533.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  2534.     libname   = os.path.join(pathBinaries, libname)

  2535.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  2536. 

  2537.     # --------------------------------------------------------------------------------------------------------

  2538.     # Print info

  2539. 

  2540.     print("Carla %s started, status:" % VERSION)

  2541.     print("  Python version: %s" % sys.version.split(" ",1)[0])

  2542.     print("  Qt version:     %s" % qVersion())

  2543.     print("  PyQt version:   %s" % PYQT_VERSION_STR)

  2544.     print("  Binary dir:     %s" % pathBinaries)

  2545.     print("  Resources dir:  %s" % pathResources)

  2546. 

  2547.     # --------------------------------------------------------------------------------------------------------

  2548.     # Init host

  2549. 

  2550.     if failError:

  2551.         # no try

  2552.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2553.     else:

  2554.         try:

  2555.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2556.         except:

  2557.             host = CarlaHostQtNull()

  2558. 

  2559.     host.isControl = isControl

  2560.     host.isPlugin  = isPlugin

  2561. 

  2562.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vs: engineCallback(host,a,p,v1,v2,v3,vs))

  2563.     host.set_file_callback(fileCallback)

  2564. 

  2565.     # If it's a plugin the paths are already set

  2566.     if not isPlugin:

  2567.         host.pathBinaries  = pathBinaries

  2568.         host.pathResources = pathResources

  2569.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  2570.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  2571. 

  2572.         if not isControl:

  2573.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  2574. 

  2575.     # --------------------------------------------------------------------------------------------------------

  2576.     # Init utils

  2577. 

  2578.     gCarla.utils = CarlaUtils(utilsname)

  2579.     gCarla.utils.set_process_name(os.path.basename(initName))

  2580. 

  2581.     try:

  2582.         sys.stdout.flush()

  2583.     except:

  2584.         pass

  2585. 

  2586.     sys.stdout = CarlaPrint(False)

  2587.     sys.stderr = CarlaPrint(True)

  2588. 

  2589.     if config_UseQt5:

  2590.         sys.excepthook = sys_excepthook

  2591. 

  2592.     # --------------------------------------------------------------------------------------------------------

  2593.     # Done

  2594. 

  2595.     return host

  2596. 

  2597. # ------------------------------------------------------------------------------------------------------------

  2598. # Load host settings

  2599. 

  2600. def loadHostSettings(host):

  2601.     # kdevelop likes this :)

  2602.     if False: host = CarlaHostNull()

  2603. 

  2604.     settings = QSettings("falkTX", "Carla2")

  2605. 

  2606.     try:

  2607.         host.experimental = settings.value(CARLA_KEY_MAIN_EXPERIMENTAL, CARLA_DEFAULT_MAIN_EXPERIMENTAL, type=bool)

  2608.     except:

  2609.         host.experimental = CARLA_DEFAULT_MAIN_EXPERIMENTAL

  2610. 

  2611.     try:

  2612.         host.exportLV2 = settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2, CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT, type=bool)

  2613.     except:

  2614.         host.exportLV2 = CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT

  2615. 

  2616.     try:

  2617.         host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, type=bool)

  2618.     except:

  2619.         host.manageUIs = CARLA_DEFAULT_MANAGE_UIS

  2620. 

  2621.     try:

  2622.         host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, type=int)

  2623.     except:

  2624.         host.maxParameters = CARLA_DEFAULT_MAX_PARAMETERS

  2625. 

  2626.     try:

  2627.         host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, type=bool)

  2628.     except:

  2629.         host.forceStereo = CARLA_DEFAULT_FORCE_STEREO

  2630. 

  2631.     try:

  2632.         host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, type=bool)

  2633.     except:

  2634.         host.preferPluginBridges = CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES

  2635. 

  2636.     try:

  2637.         host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, type=bool)

  2638.     except:

  2639.         host.preferUIBridges = CARLA_DEFAULT_PREFER_UI_BRIDGES

  2640. 

  2641.     try:

  2642.         host.preventBadBehaviour = settings.value(CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, type=bool)

  2643.     except:

  2644.         host.preventBadBehaviour = CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR

  2645. 

  2646.     try:

  2647.         host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, type=bool)

  2648.     except:

  2649.         host.showLogs = CARLA_DEFAULT_MAIN_SHOW_LOGS

  2650. 

  2651.     try:

  2652.         host.showPluginBridges = settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, type=bool)

  2653.     except:

  2654.         host.showPluginBridges = CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES

  2655. 

  2656.     try:

  2657.         host.showWineBridges = settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, type=bool)

  2658.     except:

  2659.         host.showWineBridges = CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES

  2660. 

  2661.     try:

  2662.         host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, type=int)

  2663.     except:

  2664.         host.uiBridgesTimeout = CARLA_DEFAULT_UI_BRIDGES_TIMEOUT

  2665. 

  2666.     try:

  2667.         host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, type=bool)

  2668.     except:

  2669.         host.uisAlwaysOnTop = CARLA_DEFAULT_UIS_ALWAYS_ON_TOP

  2670. 

  2671.     if host.isPlugin:

  2672.         return

  2673. 

  2674.     # enums

  2675.     if host.audioDriverForced is None:

  2676.         try:

  2677.             host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, type=int)

  2678.         except:

  2679.             host.transportMode = CARLA_DEFAULT_TRANSPORT_MODE

  2680. 

  2681.     if not host.processModeForced:

  2682.         try:

  2683.             host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, type=int)

  2684.         except:

  2685.             host.processMode = CARLA_DEFAULT_PROCESS_MODE

  2686. 

  2687.     host.nextProcessMode = host.processMode

  2688. 

  2689.     # --------------------------------------------------------------------------------------------------------

  2690.     # fix things if needed

  2691. 

  2692.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS and LADISH_APP_NAME:

  2693.         print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  2694.         host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  2695. 

  2696.     if gCarla.nogui:

  2697.         host.showLogs = False

  2698. 

  2699.     # --------------------------------------------------------------------------------------------------------

  2700.     # run headless host now if nogui option enabled

  2701. 

  2702.     if gCarla.nogui:

  2703.         runHostWithoutUI(host)

  2704. 

  2705. # ------------------------------------------------------------------------------------------------------------

  2706. # Set host settings

  2707. 

  2708. def setHostSettings(host):

  2709.     # kdevelop likes this :)

  2710.     if False: host = CarlaHostNull()

  2711. 

  2712.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  2713.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  2714.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  2715.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  2716.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  2717.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  2718.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  2719.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  2720. 

  2721.     if host.isPlugin:

  2722.         return

  2723. 

  2724.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  2725.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       "")

  2726. 

  2727. # ------------------------------------------------------------------------------------------------------------

  2728. # Set Engine settings according to carla preferences. Returns selected audio driver.

  2729. 

  2730. def setEngineSettings(host):

  2731.     # kdevelop likes this :)

  2732.     if False: host = CarlaHostNull()

  2733. 

  2734.     # --------------------------------------------------------------------------------------------------------

  2735.     # do nothing if control

  2736. 

  2737.     if host.isControl:

  2738.         return "Control"

  2739. 

  2740.     # --------------------------------------------------------------------------------------------------------

  2741. 

  2742.     settings = QSettings("falkTX", "Carla2")

  2743. 

  2744.     # --------------------------------------------------------------------------------------------------------

  2745.     # main settings

  2746. 

  2747.     setHostSettings(host)

  2748. 

  2749.     # --------------------------------------------------------------------------------------------------------

  2750.     # plugin paths

  2751. 

  2752.     LADSPA_PATH = toList(settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH))

  2753.     DSSI_PATH   = toList(settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH))

  2754.     LV2_PATH    = toList(settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH))

  2755.     VST2_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST2,   CARLA_DEFAULT_VST2_PATH))

  2756.     GIG_PATH    = toList(settings.value(CARLA_KEY_PATHS_GIG,    CARLA_DEFAULT_GIG_PATH))

  2757.     SF2_PATH    = toList(settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH))

  2758.     SFZ_PATH    = toList(settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH))

  2759. 

  2760.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  2761.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  2762.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  2763.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2,   splitter.join(VST2_PATH))

  2764.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_GIG,    splitter.join(GIG_PATH))

  2765.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  2766.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  2767. 

  2768.     # --------------------------------------------------------------------------------------------------------

  2769.     # don't continue if plugin

  2770. 

  2771.     if host.isPlugin:

  2772.         return "Plugin"

  2773. 

  2774.     # --------------------------------------------------------------------------------------------------------

  2775.     # driver and device settings

  2776. 

  2777.     # driver name

  2778.     if host.audioDriverForced is not None:

  2779.         audioDriver = host.audioDriverForced

  2780.     else:

  2781.         try:

  2782.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, type=str)

  2783.         except:

  2784.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  2785. 

  2786.     # driver options

  2787.     try:

  2788.         audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", type=str)

  2789.     except:

  2790.         audioDevice = ""

  2791. 

  2792.     try:

  2793.         audioNumPeriods = settings.value("%s%s/NumPeriods" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_NUM_PERIODS, type=int)

  2794.     except:

  2795.         audioNumPeriods = CARLA_DEFAULT_AUDIO_NUM_PERIODS

  2796. 

  2797.     try:

  2798.         audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, type=int)

  2799.     except:

  2800.         audioBufferSize = CARLA_DEFAULT_AUDIO_BUFFER_SIZE

  2801. 

  2802.     try:

  2803.         audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, type=int)

  2804.     except:

  2805.         audioSampleRate = CARLA_DEFAULT_AUDIO_SAMPLE_RATE

  2806. 

  2807.     host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE,      0,               audioDevice)

  2808.     host.set_engine_option(ENGINE_OPTION_AUDIO_NUM_PERIODS, audioNumPeriods, "")

  2809.     host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  2810.     host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  2811. 

  2812.     # --------------------------------------------------------------------------------------------------------

  2813.     # fix things if needed

  2814. 

  2815.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  2816.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  2817.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, "")

  2818. 

  2819.     # --------------------------------------------------------------------------------------------------------

  2820.     # wine settings

  2821. 

  2822.     optWineExecutable = settings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, type=str)

  2823.     optWineAutoPrefix = settings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, type=bool)

  2824.     optWineFallbackPrefix = settings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, type=str)

  2825.     optWineRtPrioEnabled = settings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, type=bool)

  2826.     optWineBaseRtPrio = settings.value(CARLA_KEY_WINE_BASE_RT_PRIO,   CARLA_DEFAULT_WINE_BASE_RT_PRIO, type=int)

  2827.     optWineServerRtPrio = settings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, type=int)

  2828. 

  2829.     host.set_engine_option(ENGINE_OPTION_WINE_EXECUTABLE, 0, optWineExecutable)

  2830.     host.set_engine_option(ENGINE_OPTION_WINE_AUTO_PREFIX, 1 if optWineAutoPrefix else 0, "")

  2831.     host.set_engine_option(ENGINE_OPTION_WINE_FALLBACK_PREFIX, 0, os.path.expanduser(optWineFallbackPrefix))

  2832.     host.set_engine_option(ENGINE_OPTION_WINE_RT_PRIO_ENABLED, 1 if optWineRtPrioEnabled else 0, "")

  2833.     host.set_engine_option(ENGINE_OPTION_WINE_BASE_RT_PRIO, optWineBaseRtPrio, "")

  2834.     host.set_engine_option(ENGINE_OPTION_WINE_SERVER_RT_PRIO, optWineServerRtPrio, "")

  2835. 

  2836.     # --------------------------------------------------------------------------------------------------------

  2837.     # return selected driver name

  2838. 

  2839.     return audioDriver

  2840. 

  2841. # ------------------------------------------------------------------------------------------------------------

  2842. # Run Carla without showing UI

  2843. 

  2844. def runHostWithoutUI(host):

  2845.     # kdevelop likes this :)

  2846.     if False: host = CarlaHostNull()

  2847. 

  2848.     # --------------------------------------------------------------------------------------------------------

  2849.     # Some initial checks

  2850. 

  2851.     if not gCarla.nogui:

  2852.         return

  2853. 

  2854.     projectFile = getInitialProjectFile(QCoreApplication.instance(), True)

  2855. 

  2856.     if not projectFile:

  2857.         print("Carla no-gui mode can only be used together with a project file.")

  2858.         sys.exit(1)

  2859. 

  2860.     # --------------------------------------------------------------------------------------------------------

  2861.     # Additional imports

  2862. 

  2863.     from time import sleep

  2864. 

  2865.     # --------------------------------------------------------------------------------------------------------

  2866.     # Init engine

  2867. 

  2868.     audioDriver = setEngineSettings(host)

  2869.     if not host.engine_init(audioDriver, "Carla"):

  2870.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  2871.         sys.exit(1)

  2872. 

  2873.     if not host.load_project(projectFile):

  2874.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  2875.         host.engine_close()

  2876.         sys.exit(1)

  2877. 

  2878.     # --------------------------------------------------------------------------------------------------------

  2879.     # Idle

  2880. 

  2881.     while host.is_engine_running() and not gCarla.term:

  2882.         host.engine_idle()

  2883.         sleep(0.5)

  2884. 

  2885.     # --------------------------------------------------------------------------------------------------------

  2886.     # Stop

  2887. 

  2888.     host.engine_close()

  2889.     sys.exit(0)

  2890. 

  2891. # ------------------------------------------------------------------------------------------------------------