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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) 2011-2016 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. if config_UseQt5:

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

  29.     from PyQt5.QtGui import QImage, QPalette

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

  31. else:

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

  33.     from PyQt4.QtGui import QImage, QPalette

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

  35. 

  36. # ------------------------------------------------------------------------------------------------------------

  37. # Imports (Custom)

  38. 

  39. import patchcanvas

  40. import ui_carla_host

  41. 

  42. from carla_app import *

  43. from carla_database import *

  44. from carla_settings import *

  45. from carla_utils import *

  46. from carla_widgets import *

  47. 

  48. from digitalpeakmeter import DigitalPeakMeter

  49. from pixmapkeyboard import PixmapKeyboardHArea

  50. 

  51. # ------------------------------------------------------------------------------------------------------------

  52. # Try Import OpenGL

  53. 

  54. try:

  55.     if config_UseQt5:

  56.         from PyQt5.QtOpenGL import QGLWidget

  57.     else:

  58.         from PyQt4.QtOpenGL import QGLWidget

  59.     hasGL = True

  60. except:

  61.     hasGL = False

  62. 

  63. # ------------------------------------------------------------------------------------------------------------

  64. # Session Management support

  65. 

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

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

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

  69. 

  70. # ------------------------------------------------------------------------------------------------------------

  71. # Carla Print class

  72. 

  73. class CarlaPrint:

  74.     def __init__(self, err):

  75.         self.err = err

  76. 

  77.     def flush(self):

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

  79. 

  80.     def write(self, string):

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

  82. 

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

  84. # Host Window

  85. 

  86. class HostWindow(QMainWindow):

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

  88.     # signals

  89.     SIGTERM = pyqtSignal()

  90.     SIGUSR1 = pyqtSignal()

  91. 

  92.     # --------------------------------------------------------------------------------------------------------

  93. 

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

  95.         QMainWindow.__init__(self, parent)

  96.         self.host = host

  97.         self.ui = ui_carla_host.Ui_CarlaHostW()

  98.         self.ui.setupUi(self)

  99.         gCarla.gui = self

  100. 

  101.         if False:

  102.             # kdevelop likes this :)

  103.             host = CarlaHostNull()

  104.             self.host = host

  105. 

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

  107. 

  108.         self.fParentOrSelf = parent or self

  109. 

  110.         # ----------------------------------------------------------------------------------------------------

  111.         # Internal stuff

  112. 

  113.         self.fIdleTimerFast = 0

  114.         self.fIdleTimerSlow = 0

  115. 

  116.         self.fLadspaRdfNeedsUpdate = True

  117.         self.fLadspaRdfList = []

  118. 

  119.         self.fPluginCount = 0

  120.         self.fPluginList  = []

  121. 

  122.         self.fProjectFilename  = ""

  123.         self.fIsProjectLoading = False

  124.         self.fCurrentlyRemovingAllPlugins = False

  125. 

  126.         self.fLastTransportBPM   = 0.0

  127.         self.fLastTransportFrame = 0

  128.         self.fLastTransportState = False

  129.         self.fSampleRate         = 0.0

  130. 

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

  132.         # 1 for close carla, 2 for load project

  133.         self.fCustomStopAction = 0

  134. 

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

  136.         self.fFirstEngineInit = True

  137. 

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

  139.         self.fSavedSettings = {}

  140. 

  141.         if host.isControl:

  142.             self.fClientName         = "Carla-Control"

  143.             self.fSessionManagerName = "Control"

  144.         elif host.isPlugin:

  145.             self.fClientName         = "Carla-Plugin"

  146.             self.fSessionManagerName = "Plugin"

  147.         elif LADISH_APP_NAME:

  148.             self.fClientName         = LADISH_APP_NAME

  149.             self.fSessionManagerName = "LADISH"

  150.         elif NSM_URL and host.nsmOK:

  151.             self.fClientName         = "Carla.tmp"

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

  153.         else:

  154.             self.fClientName         = CARLA_CLIENT_NAME or "Carla"

  155.             self.fSessionManagerName = ""

  156. 

  157.         # ----------------------------------------------------------------------------------------------------

  158.         # Internal stuff (patchbay)

  159. 

  160.         self.fExportImage = QImage()

  161. 

  162.         self.fPeaksCleared = True

  163. 

  164.         self.fExternalPatchbay = False

  165.         self.fSelectedPlugins  = []

  166. 

  167.         self.fCanvasWidth  = 0

  168.         self.fCanvasHeight = 0

  169.         self.fMiniCanvasUpdateTimeout = 0

  170. 

  171.         self.fWithCanvas = withCanvas

  172. 

  173.         # ----------------------------------------------------------------------------------------------------

  174.         # Set up GUI (engine stopped)

  175. 

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

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

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

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

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

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

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

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

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

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

  186. 

  187.             if self.host.isControl:

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

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

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

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

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

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

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

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

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

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

  198.             else:

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

  200. 

  201.         else:

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

  203. 

  204.             if WINDOWS:

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

  206. 

  207.         if not self.host.isControl:

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

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

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

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

  212. 

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

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

  215. 

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

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

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

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

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

  221. 

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

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

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

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

  226. 

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

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

  229. 

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

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

  232. 

  233.         if not withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  251.             self.ui.miniCanvasPreview.hide()

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

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

  254. 

  255.             if host.isControl:

  256.                 self.ui.dockWidget.hide()

  257. 

  258.         # ----------------------------------------------------------------------------------------------------

  259.         # Set up GUI (disk)

  260. 

  261.         self.fDirModel = QFileSystemModel(self)

  262.         self.fDirModel.setRootPath(HOME)

  263.         self.fDirModel.setNameFilters(gCarla.utils.get_supported_file_extensions().split(";"))

  264. 

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

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

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

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

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

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

  271. 

  272.         # ----------------------------------------------------------------------------------------------------

  273.         # Set up GUI (transport)

  274. 

  275.         self.ui.l_transport_bbt.setMinimumWidth(QFontMetrics(self.ui.l_transport_bbt.font()).width("000|00|0000") + 3)

  276.         self.ui.l_transport_frame.setMinimumWidth(QFontMetrics(self.ui.l_transport_frame.font()).width("000'000'000") + 3)

  277.         self.ui.l_transport_time.setMinimumWidth(QFontMetrics(self.ui.l_transport_time.font()).width("00:00:00") + 3)

  278. 

  279.         if host.isPlugin:

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

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

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

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

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

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

  286. 

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

  288. 

  289.         # ----------------------------------------------------------------------------------------------------

  290.         # Set up GUI (rack)

  291. 

  292.         self.ui.listWidget.setHost(self.host)

  293. 

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

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

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

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

  298. 

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

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

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

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

  303. 

  304.         self.ui.rack.setStyleSheet("""

  305.           QLabel#pad_left {

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

  307.             background-repeat: repeat-y;

  308.           }

  309.           QLabel#pad_right {

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

  311.             background-repeat: repeat-y;

  312.           }

  313.           CarlaRackList#CarlaRackList {

  314.             background-color: black;

  315.           }

  316.         """)

  317. 

  318.         # ----------------------------------------------------------------------------------------------------

  319.         # Set up GUI (patchbay)

  320. 

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

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

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

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

  325. 

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

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

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

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

  330. 

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

  332.         self.ui.keyboard   = self.ui.scrollArea.keyboard

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

  334. 

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

  336. 

  337.         self.ui.miniCanvasPreview.setRealParent(self)

  338. 

  339.         # ----------------------------------------------------------------------------------------------------

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

  341. 

  342.         if MACOS:

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

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

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

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

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

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

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

  350. 

  351.         # ----------------------------------------------------------------------------------------------------

  352.         # Set up GUI (secrets when running local)

  353. 

  354.         if CWD not in ("/Shared/Personal/FOSS/GIT/falkTX/Carla/source",

  355.                        "/home/falktx/Personal/GIT-mine/falkTX/Carla/source"):

  356.             self.ui.menu_Secrets.menuAction().setVisible(False)

  357. 

  358.         # ----------------------------------------------------------------------------------------------------

  359.         # Load Settings

  360. 

  361.         self.loadSettings(True)

  362. 

  363.         # ----------------------------------------------------------------------------------------------------

  364.         # Set-up Canvas

  365. 

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

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

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

  369. 

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

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

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

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

  374. 

  375.         self.setupCanvas()

  376. 

  377.         # ----------------------------------------------------------------------------------------------------

  378.         # Connect actions to functions

  379. 

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

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

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

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

  384. 

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

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

  387. 

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

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

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

  391. 

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

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

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

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

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

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

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

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

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

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

  402. 

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

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

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

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

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

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

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

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

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

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

  413. 

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

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

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

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

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

  419. 

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

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

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

  423. 

  424.         self.ui.act_secret_1.triggered.connect(self.slot_runSecret1)

  425.         self.ui.act_secret_2.triggered.connect(self.slot_runSecret2)

  426.         self.ui.act_secret_3.triggered.connect(self.slot_runSecret3)

  427.         self.ui.act_secret_4.triggered.connect(self.slot_runSecret4)

  428.         self.ui.act_secret_5.triggered.connect(self.slot_runSecret5)

  429. 

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

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

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

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

  434. 

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

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

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

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

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

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

  441. 

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

  443. 

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

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

  446. 

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

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

  449. 

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

  451. 

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

  453. 

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

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

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

  457. 

  458.         self.SIGUSR1.connect(self.slot_handleSIGUSR1)

  459.         self.SIGTERM.connect(self.slot_handleSIGTERM)

  460. 

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

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

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

  464. 

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

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

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

  468. 

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

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

  471. 

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

  473. 

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

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

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

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

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

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

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

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

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

  483. 

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

  485. 

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

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

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

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

  490. 

  491.         # ----------------------------------------------------------------------------------------------------

  492.         # Final setup

  493. 

  494.         self.ui.text_logs.clear()

  495.         self.setProperWindowTitle()

  496. 

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

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

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

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

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

  502. 

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

  504.         if self.host.isPlugin:

  505.             self.startTimers()

  506. 

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

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

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

  510. 

  511.         # Load initial project file if set

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

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

  514. 

  515.             if projectFile:

  516.                 self.loadProjectLater(projectFile)

  517. 

  518.         # For NSM we wait for the open message

  519.         if NSM_URL and host.nsmOK:

  520.             host.nsm_ready(-1)

  521.             return

  522. 

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

  524. 

  525.     # --------------------------------------------------------------------------------------------------------

  526.     # Setup

  527. 

  528.     def compactPlugin(self, pluginId):

  529.         if pluginId > self.fPluginCount:

  530.             return

  531. 

  532.         pitem = self.fPluginList[pluginId]

  533. 

  534.         if pitem is None:

  535.             return

  536. 

  537.         pitem.recreateWidget(True)

  538. 

  539.     def setLoadRDFsNeeded(self):

  540.         self.fLadspaRdfNeedsUpdate = True

  541. 

  542.     def setProperWindowTitle(self):

  543.         title = self.fClientName

  544. 

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

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

  547.         if self.fSessionManagerName:

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

  549. 

  550.         self.setWindowTitle(title)

  551. 

  552.     # --------------------------------------------------------------------------------------------------------

  553.     # Files

  554. 

  555.     def loadProjectNow(self):

  556.         if not self.fProjectFilename:

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

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

  559.             return

  560. 

  561.         self.projectLoadingStarted()

  562.         self.fIsProjectLoading = True

  563. 

  564.         self.host.load_project(self.fProjectFilename)

  565. 

  566.         self.fIsProjectLoading = False

  567.         self.projectLoadingFinished()

  568. 

  569.     def loadProjectLater(self, filename):

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

  571.         self.setProperWindowTitle()

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

  573. 

  574.     def saveProjectNow(self):

  575.         if not self.fProjectFilename:

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

  577. 

  578.         self.host.save_project(self.fProjectFilename)

  579. 

  580.     def projectLoadingStarted(self):

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

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

  583. 

  584.     def projectLoadingFinished(self):

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

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

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

  588. 

  589.     # --------------------------------------------------------------------------------------------------------

  590.     # Files (menu actions)

  591. 

  592.     @pyqtSlot()

  593.     def slot_fileNew(self):

  594.         self.slot_pluginRemoveAll()

  595.         self.fProjectFilename = ""

  596.         self.setProperWindowTitle()

  597. 

  598.     @pyqtSlot()

  599.     def slot_fileOpen(self):

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

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

  602. 

  603.         if config_UseQt5:

  604.             filename = filename[0]

  605.         if not filename:

  606.             return

  607. 

  608.         newFile = True

  609. 

  610.         if self.fPluginCount > 0:

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

  612.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  614. 

  615.         if newFile:

  616.             self.slot_pluginRemoveAll()

  617.             self.fProjectFilename = filename

  618.             self.setProperWindowTitle()

  619.             self.loadProjectNow()

  620.         else:

  621.             filenameOld = self.fProjectFilename

  622.             self.fProjectFilename = filename

  623.             self.loadProjectNow()

  624.             self.fProjectFilename = filenameOld

  625. 

  626.     @pyqtSlot()

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

  628.         if self.fProjectFilename and not saveAs:

  629.             return self.saveProjectNow()

  630. 

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

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

  633. 

  634.         if config_UseQt5:

  635.             filename = filename[0]

  636.         if not filename:

  637.             return

  638. 

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

  640.             filename += ".carxp"

  641. 

  642.         if self.fProjectFilename != filename:

  643.             self.fProjectFilename = filename

  644.             self.setProperWindowTitle()

  645. 

  646.         self.saveProjectNow()

  647. 

  648.     @pyqtSlot()

  649.     def slot_fileSaveAs(self):

  650.         self.slot_fileSave(True)

  651. 

  652.     @pyqtSlot()

  653.     def slot_loadProjectNow(self):

  654.         self.loadProjectNow()

  655. 

  656.     # --------------------------------------------------------------------------------------------------------

  657.     # Engine (menu actions)

  658. 

  659.     @pyqtSlot()

  660.     def slot_engineStart(self):

  661.         audioDriver = setEngineSettings(self.host)

  662.         firstInit   = self.fFirstEngineInit

  663. 

  664.         self.fFirstEngineInit = False

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

  666. 

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

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

  669.             return

  670. 

  671.         elif firstInit:

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

  673.             return

  674. 

  675.         audioError = self.host.get_last_error()

  676. 

  677.         if audioError:

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

  679.         else:

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

  681. 

  682.     @pyqtSlot()

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

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

  685. 

  686.         if self.fPluginCount == 0:

  687.             self.engineStopFinal()

  688.             return True

  689. 

  690.         if not forced:

  691.             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"

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

  693.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  694.             if ask != QMessageBox.Yes:

  695.                 return False

  696. 

  697.         return self.slot_engineStopTryAgain()

  698. 

  699.     @pyqtSlot()

  700.     def slot_engineStopTryAgain(self):

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

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

  703.             return False

  704. 

  705.         self.engineStopFinal()

  706.         return True

  707. 

  708.     def engineStopFinal(self):

  709.         self.killTimers()

  710.         self.removeAllPlugins()

  711. 

  712.         if self.host.is_engine_running():

  713.             self.host.remove_all_plugins()

  714. 

  715.             if self.host.engine_close():

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

  717.             else:

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

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

  720. 

  721.         if self.fCustomStopAction == 1:

  722.             self.close()

  723.         elif self.fCustomStopAction == 2:

  724.             self.slot_engineStart()

  725.             self.loadProjectNow()

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

  727. 

  728.         self.fCustomStopAction = 0

  729. 

  730.     # --------------------------------------------------------------------------------------------------------

  731.     # Engine (host callbacks)

  732. 

  733.     @pyqtSlot(int, int, str)

  734.     def slot_handleEngineStartedCallback(self, processMode, transportMode, driverName):

  735.         self.fSampleRate = self.host.get_sample_rate()

  736. 

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

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

  739. 

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

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

  742. 

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

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

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

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

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

  748.         else:

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

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

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

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

  753. 

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

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

  756. 

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

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

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

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

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

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

  763. 

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

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

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

  767. 

  768.         self.refreshTransport(True)

  769. 

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

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

  772. 

  773.         self.startTimers()

  774. 

  775.     @pyqtSlot()

  776.     def slot_handleEngineStoppedCallback(self):

  777.         patchcanvas.clear()

  778.         self.killTimers()

  779. 

  780.         # just in case

  781.         self.removeAllPlugins()

  782. 

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

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

  785. 

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

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

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

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

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

  791. 

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

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

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

  795. 

  796.     @pyqtSlot(float)

  797.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  798.         self.fSampleRate = newSampleRate

  799.         self.refreshTransport(True)

  800. 

  801.     # --------------------------------------------------------------------------------------------------------

  802.     # Plugins

  803. 

  804.     def removeAllPlugins(self):

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

  806.         patchcanvas.handleAllPluginsRemoved()

  807. 

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

  809.             pass

  810. 

  811.         self.clearSideStuff()

  812. 

  813.         for pitem in self.fPluginList:

  814.             if pitem is None:

  815.                 continue

  816. 

  817.             pitem.close()

  818.             del pitem

  819. 

  820.         self.fPluginCount = 0

  821.         self.fPluginList  = []

  822. 

  823.     # --------------------------------------------------------------------------------------------------------

  824.     # Plugins (menu actions)

  825. 

  826.     def showAddPluginDialog(self):

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

  828. 

  829.         if not dialog.exec_():

  830.             return

  831. 

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

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

  834.             return

  835. 

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

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

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

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

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

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

  842. 

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

  844. 

  845.     @pyqtSlot()

  846.     def showPluginActionsMenu(self):

  847.         menu = QMenu(self)

  848. 

  849.         if config_UseQt5:

  850.             menu.addSection("Plugins")

  851.         else:

  852.             # fake section

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

  854.             font = act.font()

  855.             font.setBold(True)

  856.             act.setFont(font)

  857.             act.setEnabled(False)

  858.             menu.addSeparator()

  859. 

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

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

  862. 

  863.         if config_UseQt5:

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

  865.         else:

  866.             # fake space

  867.             act  = menu.addAction(" ")

  868.             font = act.font()

  869.             font.setBold(True)

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

  871.             act.setEnabled(False)

  872. 

  873.             # fake section

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

  875.             font = act.font()

  876.             font.setBold(True)

  877.             act.setFont(font)

  878.             act.setEnabled(False)

  879.             menu.addSeparator()

  880. 

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

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

  883.         menu.addSeparator()

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

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

  886.         menu.addSeparator()

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

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

  889.         menu.addSeparator()

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

  891.         menu.addSeparator()

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

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

  894. 

  895.         menu.exec_(QCursor.pos())

  896. 

  897.     @pyqtSlot()

  898.     def slot_pluginAdd(self):

  899.         data = self.showAddPluginDialog()

  900. 

  901.         if data is None:

  902.             return

  903. 

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

  905. 

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

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

  908. 

  909.     @pyqtSlot()

  910.     def slot_pluginRemoveAll(self):

  911.         if self.fPluginCount == 0:

  912.             return

  913. 

  914.         # FIXME - this is not working

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

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

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

  918.             self.projectLoadingStarted()

  919. 

  920.             app = QApplication.instance()

  921.             app.processEvents()

  922. 

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

  924.                 self.host.remove_plugin(i)

  925.                 app.processEvents()

  926. 

  927.             self.projectLoadingFinished()

  928. 

  929.         self.fCurrentlyRemovingAllPlugins = True

  930.         ok = self.host.remove_all_plugins()

  931.         self.fCurrentlyRemovingAllPlugins = False

  932. 

  933.         if ok:

  934.             self.removeAllPlugins()

  935.         else:

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

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

  938. 

  939.         self.fCurrentlyRemovingAllPlugins = False

  940. 

  941.     # --------------------------------------------------------------------------------------------------------

  942.     # Plugins (macros)

  943. 

  944.     @pyqtSlot()

  945.     def slot_pluginsEnable(self):

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

  947.             return

  948. 

  949.         for pitem in self.fPluginList:

  950.             if pitem is None:

  951.                 break

  952. 

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

  954. 

  955.     @pyqtSlot()

  956.     def slot_pluginsDisable(self):

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

  958.             return

  959. 

  960.         for pitem in self.fPluginList:

  961.             if pitem is None:

  962.                 break

  963. 

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

  965. 

  966.     @pyqtSlot()

  967.     def slot_pluginsVolume100(self):

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

  969.             return

  970. 

  971.         for pitem in self.fPluginList:

  972.             if pitem is None:

  973.                 break

  974. 

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

  976. 

  977.     @pyqtSlot()

  978.     def slot_pluginsMute(self):

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

  980.             return

  981. 

  982.         for pitem in self.fPluginList:

  983.             if pitem is None:

  984.                 break

  985. 

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

  987. 

  988.     @pyqtSlot()

  989.     def slot_pluginsWet100(self):

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

  991.             return

  992. 

  993.         for pitem in self.fPluginList:

  994.             if pitem is None:

  995.                 break

  996. 

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

  998. 

  999.     @pyqtSlot()

  1000.     def slot_pluginsBypass(self):

  1001.         if not self.host.is_engine_running():

  1002.             return

  1003. 

  1004.         for pitem in self.fPluginList:

  1005.             if pitem is None:

  1006.                 break

  1007. 

  1008.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 0.0)

  1009. 

  1010.     @pyqtSlot()

  1011.     def slot_pluginsCenter(self):

  1012.         if not self.host.is_engine_running():

  1013.             return

  1014. 

  1015.         for pitem in self.fPluginList:

  1016.             if pitem is None:

  1017.                 break

  1018. 

  1019.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1020.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1021.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1022. 

  1023.     @pyqtSlot()

  1024.     def slot_pluginsCompact(self):

  1025.         for pitem in self.fPluginList:

  1026.             if pitem is None:

  1027.                 break

  1028.             pitem.compact()

  1029. 

  1030.     @pyqtSlot()

  1031.     def slot_pluginsExpand(self):

  1032.         for pitem in self.fPluginList:

  1033.             if pitem is None:

  1034.                 break

  1035.             pitem.expand()

  1036. 

  1037.     # --------------------------------------------------------------------------------------------------------

  1038.     # Plugins (host callbacks)

  1039. 

  1040.     @pyqtSlot(int, str)

  1041.     def slot_handlePluginAddedCallback(self, pluginId, pluginName):

  1042.         pitem = self.ui.listWidget.createItem(pluginId, self.fSavedSettings[CARLA_KEY_MAIN_USE_CUSTOM_SKINS])

  1043. 

  1044.         self.fPluginList.append(pitem)

  1045.         self.fPluginCount += 1

  1046. 

  1047.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1048. 

  1049.     @pyqtSlot(int)

  1050.     def slot_handlePluginRemovedCallback(self, pluginId):

  1051.         patchcanvas.handlePluginRemoved(pluginId)

  1052. 

  1053.         if pluginId in self.fSelectedPlugins:

  1054.             self.clearSideStuff()

  1055. 

  1056.         pitem = self.getPluginItem(pluginId)

  1057. 

  1058.         self.fPluginCount -= 1

  1059.         self.fPluginList.pop(pluginId)

  1060.         self.ui.listWidget.takeItem(pluginId)

  1061. 

  1062.         if pitem is not None:

  1063.             pitem.close()

  1064.             del pitem

  1065. 

  1066.         # push all plugins 1 slot back

  1067.         for i in range(pluginId, self.fPluginCount):

  1068.             pitem = self.fPluginList[i]

  1069.             pitem.setPluginId(i)

  1070. 

  1071.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1072. 

  1073.     # --------------------------------------------------------------------------------------------------------

  1074.     # Canvas

  1075. 

  1076.     def clearSideStuff(self):

  1077.         self.scene.clearSelection()

  1078. 

  1079.         self.fSelectedPlugins = []

  1080. 

  1081.         self.ui.keyboard.allNotesOff(False)

  1082.         self.ui.scrollArea.setEnabled(False)

  1083. 

  1084.         self.fPeaksCleared = True

  1085.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1086.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1087.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1088.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1089. 

  1090.     def setupCanvas(self):

  1091.         pOptions = patchcanvas.options_t()

  1092.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1093.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1094.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1095.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1096.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1097.         pOptions.eyecandy          = self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]

  1098. 

  1099.         pFeatures = patchcanvas.features_t()

  1100.         pFeatures.group_info   = False

  1101.         pFeatures.group_rename = False

  1102.         pFeatures.port_info    = False

  1103.         pFeatures.port_rename  = False

  1104.         pFeatures.handle_group_pos = True

  1105. 

  1106.         patchcanvas.setOptions(pOptions)

  1107.         patchcanvas.setFeatures(pFeatures)

  1108.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1109. 

  1110.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1111. 

  1112.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1113.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1114.             self.fCanvasHeight = int(tryCanvasSize[1])

  1115.         else:

  1116.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1117.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1118. 

  1119.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1120.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1121.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1122. 

  1123.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1124.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1125. 

  1126.     def updateCanvasInitialPos(self):

  1127.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1128.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1129.         patchcanvas.setInitialPos(x, y)

  1130. 

  1131.     def updateMiniCanvasLater(self):

  1132.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1133. 

  1134.     # --------------------------------------------------------------------------------------------------------

  1135.     # Canvas (menu actions)

  1136. 

  1137.     @pyqtSlot()

  1138.     def slot_canvasShowInternal(self):

  1139.         self.fExternalPatchbay = False

  1140.         self.ui.act_canvas_show_internal.blockSignals(True)

  1141.         self.ui.act_canvas_show_external.blockSignals(True)

  1142.         self.ui.act_canvas_show_internal.setChecked(True)

  1143.         self.ui.act_canvas_show_external.setChecked(False)

  1144.         self.ui.act_canvas_show_internal.blockSignals(False)

  1145.         self.ui.act_canvas_show_external.blockSignals(False)

  1146.         self.slot_canvasRefresh()

  1147. 

  1148.     @pyqtSlot()

  1149.     def slot_canvasShowExternal(self):

  1150.         self.fExternalPatchbay = True

  1151.         self.ui.act_canvas_show_internal.blockSignals(True)

  1152.         self.ui.act_canvas_show_external.blockSignals(True)

  1153.         self.ui.act_canvas_show_internal.setChecked(False)

  1154.         self.ui.act_canvas_show_external.setChecked(True)

  1155.         self.ui.act_canvas_show_internal.blockSignals(False)

  1156.         self.ui.act_canvas_show_external.blockSignals(False)

  1157.         self.slot_canvasRefresh()

  1158. 

  1159.     @pyqtSlot()

  1160.     def slot_canvasArrange(self):

  1161.         patchcanvas.arrange()

  1162. 

  1163.     @pyqtSlot()

  1164.     def slot_canvasRefresh(self):

  1165.         patchcanvas.clear()

  1166. 

  1167.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and (self.host.isControl or self.host.isPlugin):

  1168.             return

  1169. 

  1170.         if self.host.is_engine_running():

  1171.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1172. 

  1173.         self.updateMiniCanvasLater()

  1174. 

  1175.     @pyqtSlot()

  1176.     def slot_canvasZoomFit(self):

  1177.         self.scene.zoom_fit()

  1178. 

  1179.     @pyqtSlot()

  1180.     def slot_canvasZoomIn(self):

  1181.         self.scene.zoom_in()

  1182. 

  1183.     @pyqtSlot()

  1184.     def slot_canvasZoomOut(self):

  1185.         self.scene.zoom_out()

  1186. 

  1187.     @pyqtSlot()

  1188.     def slot_canvasZoomReset(self):

  1189.         self.scene.zoom_reset()

  1190. 

  1191.     @pyqtSlot()

  1192.     def slot_canvasSaveImage(self):

  1193.         newPath = QFileDialog.getSaveFileName(self, self.tr("Save Image"), filter=self.tr("PNG Image (*.png);;JPEG Image (*.jpg)"))

  1194. 

  1195.         if config_UseQt5:

  1196.             newPath = newPath[0]

  1197.         if not newPath:

  1198.             return

  1199. 

  1200.         self.scene.clearSelection()

  1201. 

  1202.         if newPath.lower().endswith((".jpg", ".jpeg")):

  1203.             imgFormat = "JPG"

  1204.         elif newPath.lower().endswith((".png",)):

  1205.             imgFormat = "PNG"

  1206.         else:

  1207.             # File-dialog may not auto-add the extension

  1208.             imgFormat = "PNG"

  1209.             newPath  += ".png"

  1210. 

  1211.         self.fExportImage = QImage(self.scene.sceneRect().width(), self.scene.sceneRect().height(), QImage.Format_RGB32)

  1212.         painter = QPainter(self.fExportImage)

  1213.         painter.save()

  1214.         painter.setRenderHint(QPainter.Antialiasing) # TODO - set true, cleanup this

  1215.         painter.setRenderHint(QPainter.TextAntialiasing)

  1216.         self.scene.render(painter)

  1217.         self.fExportImage.save(newPath, imgFormat, 100)

  1218.         painter.restore()

  1219. 

  1220.     # --------------------------------------------------------------------------------------------------------

  1221.     # Canvas (canvas callbacks)

  1222. 

  1223.     @pyqtSlot(int, int, QPointF)

  1224.     def slot_canvasItemMoved(self, group_id, split_mode, pos):

  1225.         self.updateMiniCanvasLater()

  1226. 

  1227.     @pyqtSlot(float)

  1228.     def slot_canvasScaleChanged(self, scale):

  1229.         self.ui.miniCanvasPreview.setViewScale(scale)

  1230. 

  1231.     @pyqtSlot(list)

  1232.     def slot_canvasPluginSelected(self, pluginList):

  1233.         self.ui.keyboard.allNotesOff(False)

  1234.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1235.         self.fSelectedPlugins = pluginList

  1236. 

  1237.     # --------------------------------------------------------------------------------------------------------

  1238.     # Canvas (host callbacks)

  1239. 

  1240.     @pyqtSlot(int, int, int, str)

  1241.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1242.         pcSplit = patchcanvas.SPLIT_UNDEF

  1243.         pcIcon  = patchcanvas.ICON_APPLICATION

  1244. 

  1245.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1246.             pcIcon = patchcanvas.ICON_PLUGIN

  1247.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1248.             pcIcon = patchcanvas.ICON_HARDWARE

  1249.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1250.             pass

  1251.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1252.             pcIcon = patchcanvas.ICON_DISTRHO

  1253.         elif clientIcon == PATCHBAY_ICON_FILE:

  1254.             pcIcon = patchcanvas.ICON_FILE

  1255. 

  1256.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1257. 

  1258.         self.updateMiniCanvasLater()

  1259. 

  1260.         if pluginId < 0:

  1261.             return

  1262.         if pluginId >= self.fPluginCount:

  1263.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1264.             return

  1265. 

  1266.         patchcanvas.setGroupAsPlugin(clientId, pluginId, bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI))

  1267. 

  1268.     @pyqtSlot(int)

  1269.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1270.         patchcanvas.removeGroup(clientId)

  1271.         self.updateMiniCanvasLater()

  1272. 

  1273.     @pyqtSlot(int, str)

  1274.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1275.         patchcanvas.renameGroup(clientId, newClientName)

  1276.         self.updateMiniCanvasLater()

  1277. 

  1278.     @pyqtSlot(int, int, int)

  1279.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1280.         pcIcon = patchcanvas.ICON_APPLICATION

  1281. 

  1282.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1283.             pcIcon = patchcanvas.ICON_PLUGIN

  1284.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1285.             pcIcon = patchcanvas.ICON_HARDWARE

  1286.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1287.             pass

  1288.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1289.             pcIcon = patchcanvas.ICON_DISTRHO

  1290.         elif clientIcon == PATCHBAY_ICON_FILE:

  1291.             pcIcon = patchcanvas.ICON_FILE

  1292. 

  1293.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1294.         self.updateMiniCanvasLater()

  1295. 

  1296.         if pluginId < 0:

  1297.             return

  1298.         if pluginId >= self.fPluginCount:

  1299.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1300.             return

  1301. 

  1302.         patchcanvas.setGroupAsPlugin(clientId, pluginId, bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI))

  1303. 

  1304.     @pyqtSlot(int, int, int, str)

  1305.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portName):

  1306.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1307.             portMode = patchcanvas.PORT_MODE_INPUT

  1308.         else:

  1309.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1310. 

  1311.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1312.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1313.             isAlternate = False

  1314.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1315.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1316.             isAlternate = True

  1317.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1318.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1319.             isAlternate = False

  1320.         else:

  1321.             portType    = patchcanvas.PORT_TYPE_NULL

  1322.             isAlternate = False

  1323. 

  1324.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1325.         self.updateMiniCanvasLater()

  1326. 

  1327.     @pyqtSlot(int, int)

  1328.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  1329.         patchcanvas.removePort(groupId, portId)

  1330.         self.updateMiniCanvasLater()

  1331. 

  1332.     @pyqtSlot(int, int, str)

  1333.     def slot_handlePatchbayPortRenamedCallback(self, groupId, portId, newPortName):

  1334.         patchcanvas.renamePort(groupId, portId, newPortName)

  1335.         self.updateMiniCanvasLater()

  1336. 

  1337.     @pyqtSlot(int, int, int, int, int)

  1338.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1339.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1340.         self.updateMiniCanvasLater()

  1341. 

  1342.     @pyqtSlot(int, int, int)

  1343.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1344.         patchcanvas.disconnectPorts(connectionId)

  1345.         self.updateMiniCanvasLater()

  1346. 

  1347.     # --------------------------------------------------------------------------------------------------------

  1348.     # Settings

  1349. 

  1350.     def saveSettings(self):

  1351.         settings = QSettings()

  1352. 

  1353.         settings.setValue("Geometry", self.saveGeometry())

  1354. 

  1355.         #settings.setValue("SplitterState", self.ui.splitter.saveState())

  1356. 

  1357.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  1358. 

  1359.         settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  1360. 

  1361.         diskFolders = []

  1362. 

  1363.         for i in range(self.ui.cb_disk.count()):

  1364.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1365. 

  1366.         settings.setValue("DiskFolders", diskFolders)

  1367. 

  1368.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1369.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1370.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1371.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1372. 

  1373.     def loadSettings(self, firstTime):

  1374.         settings = QSettings()

  1375. 

  1376.         if firstTime:

  1377.             self.restoreGeometry(settings.value("Geometry", b""))

  1378. 

  1379.             showToolbar = settings.value("ShowToolbar", True, type=bool)

  1380.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1381.             self.ui.toolBar.setEnabled(showToolbar)

  1382.             self.ui.toolBar.setVisible(showToolbar)

  1383. 

  1384.             #if settings.contains("SplitterState"):

  1385.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  1386.             #else:

  1387.                 #self.ui.splitter.setSizes([210, 99999])

  1388. 

  1389.             showSidePanel = settings.value("ShowSidePanel", True, type=bool)

  1390.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  1391.             self.ui.dockWidget.setEnabled(showSidePanel)

  1392.             self.ui.dockWidget.setVisible(showSidePanel)

  1393. 

  1394.             diskFolders = toList(settings.value("DiskFolders", [HOME]))

  1395. 

  1396.             self.ui.cb_disk.setItemData(0, HOME)

  1397. 

  1398.             for i in range(len(diskFolders)):

  1399.                 if i == 0: continue

  1400.                 folder = diskFolders[i]

  1401.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1402. 

  1403.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, type=bool):

  1404.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1405. 

  1406.             showMeters = settings.value("ShowMeters", False, type=bool)

  1407.             self.ui.act_settings_show_meters.setChecked(showMeters)

  1408.             self.ui.peak_in.setVisible(showMeters)

  1409.             self.ui.peak_out.setVisible(showMeters)

  1410. 

  1411.             showKeyboard = settings.value("ShowKeyboard", not(MACOS or WINDOWS), type=bool)

  1412.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  1413.             self.ui.scrollArea.setVisible(showKeyboard)

  1414. 

  1415.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  1416. 

  1417.         # TODO - complete this

  1418. 

  1419.         self.fSavedSettings = {

  1420.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      type=str),

  1421.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    type=int),

  1422.             CARLA_KEY_MAIN_USE_CUSTOM_SKINS:    settings.value(CARLA_KEY_MAIN_USE_CUSTOM_SKINS,    CARLA_DEFAULT_MAIN_USE_CUSTOM_SKINS,    type=bool),

  1423.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             type=str),

  1424.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              type=str),

  1425.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  type=bool),

  1426.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, type=bool),

  1427.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  type=bool),

  1428.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         type=int),

  1429.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        type=bool),

  1430.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      type=int),

  1431.             CARLA_KEY_CANVAS_HQ_ANTIALIASING :  settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   type=bool),

  1432.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   type=bool) and

  1433.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", type=str).lower() == "black")

  1434.         }

  1435. 

  1436.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY] == patchcanvas.EYECANDY_FULL else 0

  1437. 

  1438.         setEngineSettings(self.host)

  1439.         self.restartTimersIfNeeded()

  1440. 

  1441.     # --------------------------------------------------------------------------------------------------------

  1442.     # Settings (helpers)

  1443. 

  1444.     @pyqtSlot()

  1445.     def slot_restoreCanvasScrollbarValues(self):

  1446.         settings = QSettings()

  1447.         self.ui.graphicsView.horizontalScrollBar().setValue(settings.value("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().maximum()/2, type=int))

  1448.         self.ui.graphicsView.verticalScrollBar().setValue(settings.value("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().maximum()/2, type=int))

  1449. 

  1450.     # --------------------------------------------------------------------------------------------------------

  1451.     # Settings (menu actions)

  1452. 

  1453.     @pyqtSlot(bool)

  1454.     def slot_showSidePanel(self, yesNo):

  1455.         self.ui.dockWidget.setEnabled(yesNo)

  1456.         self.ui.dockWidget.setVisible(yesNo)

  1457. 

  1458.     @pyqtSlot(bool)

  1459.     def slot_showToolbar(self, yesNo):

  1460.         self.ui.toolBar.setEnabled(yesNo)

  1461.         self.ui.toolBar.setVisible(yesNo)

  1462. 

  1463.     @pyqtSlot(bool)

  1464.     def slot_showCanvasMeters(self, yesNo):

  1465.         self.ui.peak_in.setVisible(yesNo)

  1466.         self.ui.peak_out.setVisible(yesNo)

  1467.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1468. 

  1469.     @pyqtSlot(bool)

  1470.     def slot_showCanvasKeyboard(self, yesNo):

  1471.         self.ui.scrollArea.setVisible(yesNo)

  1472.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1473. 

  1474.     @pyqtSlot()

  1475.     def slot_configureCarla(self):

  1476.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  1477.         if not dialog.exec_():

  1478.             return

  1479. 

  1480.         self.loadSettings(False)

  1481. 

  1482.         patchcanvas.clear()

  1483. 

  1484.         self.setupCanvas()

  1485.         self.slot_miniCanvasCheckAll()

  1486. 

  1487.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1488.             pass

  1489.         elif self.host.is_engine_running():

  1490.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1491. 

  1492.         for pitem in self.fPluginList:

  1493.             if pitem is None:

  1494.                 break

  1495.             pitem.setUsingSkins(self.fSavedSettings[CARLA_KEY_MAIN_USE_CUSTOM_SKINS])

  1496.             pitem.recreateWidget()

  1497. 

  1498.     # --------------------------------------------------------------------------------------------------------

  1499.     # About (menu actions)

  1500. 

  1501.     @pyqtSlot()

  1502.     def slot_aboutCarla(self):

  1503.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  1504. 

  1505.     @pyqtSlot()

  1506.     def slot_aboutJuce(self):

  1507.         JuceAboutW(self.fParentOrSelf).exec_()

  1508. 

  1509.     @pyqtSlot()

  1510.     def slot_aboutQt(self):

  1511.         QApplication.instance().aboutQt()

  1512. 

  1513.     # --------------------------------------------------------------------------------------------------------

  1514.     # Secret (menu actions)

  1515. 

  1516.     @pyqtSlot()

  1517.     def slot_runSecret1(self):

  1518.         print("secret 1")

  1519.         fname = "/usr/bin/audacious -p"

  1520.         self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, fname, "", "", 0, None, 0)

  1521. 

  1522.     @pyqtSlot()

  1523.     def slot_runSecret2(self):

  1524.         print("secret 2")

  1525.         fname  = "/usr/bin/pulseaudio"

  1526.         fname += " --high-priority --realtime --exit-idle-time=-1 --file=/usr/share/cadence/pulse2jack/play+rec.pa -n"

  1527.         self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, fname, "", "", 0, None, 0)

  1528. 

  1529.     @pyqtSlot()

  1530.     def slot_runSecret3(self):

  1531.         print("secret 3")

  1532.         fname = "/usr/bin/lmms"

  1533.         self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, fname, "", "", 0, None, 0)

  1534. 

  1535.     @pyqtSlot()

  1536.     def slot_runSecret4(self):

  1537.         print("secret 4")

  1538.         ret = QInputDialog.getText(self, "Command", "command to run")

  1539.         if ret[1] and len(ret[0]) > 1:

  1540.             fname = ret[0]

  1541.             if not self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, fname, "", "", 0, None, 0):

  1542.                 CustomMessageBox(self, QMessageBox.Critical,

  1543.                                  self.tr("Error"), self.tr("Failed to load plugin"),

  1544.                                  self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1545. 

  1546.     @pyqtSlot()

  1547.     def slot_runSecret5(self):

  1548.         print("secret 5")

  1549. 

  1550.     # --------------------------------------------------------------------------------------------------------

  1551.     # Disk (menu actions)

  1552. 

  1553.     @pyqtSlot(int)

  1554.     def slot_diskFolderChanged(self, index):

  1555.         if index < 0:

  1556.             return

  1557.         elif index == 0:

  1558.             filename = HOME

  1559.             self.ui.b_disk_remove.setEnabled(False)

  1560.         else:

  1561.             filename = self.ui.cb_disk.itemData(index)

  1562.             self.ui.b_disk_remove.setEnabled(True)

  1563. 

  1564.         self.fDirModel.setRootPath(filename)

  1565.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  1566. 

  1567.     @pyqtSlot()

  1568.     def slot_diskFolderAdd(self):

  1569.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  1570. 

  1571.         if newPath:

  1572.             if newPath[-1] == os.sep:

  1573.                 newPath = newPath[:-1]

  1574.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  1575.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  1576.             self.ui.b_disk_remove.setEnabled(True)

  1577. 

  1578.     @pyqtSlot()

  1579.     def slot_diskFolderRemove(self):

  1580.         index = self.ui.cb_disk.currentIndex()

  1581. 

  1582.         if index <= 0:

  1583.             return

  1584. 

  1585.         self.ui.cb_disk.removeItem(index)

  1586. 

  1587.         if self.ui.cb_disk.currentIndex() == 0:

  1588.             self.ui.b_disk_remove.setEnabled(False)

  1589. 

  1590.     @pyqtSlot(QModelIndex)

  1591.     def slot_fileTreeDoubleClicked(self, modelIndex):

  1592.         filename = self.fDirModel.filePath(modelIndex)

  1593. 

  1594.         if not self.host.load_file(filename):

  1595.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  1596.                              self.tr("Failed to load file"),

  1597.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1598. 

  1599.     # --------------------------------------------------------------------------------------------------------

  1600.     # Transport

  1601. 

  1602.     def refreshTransport(self, forced = False):

  1603.         if not self.isVisible():

  1604.             return

  1605.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  1606.             return

  1607. 

  1608.         timeInfo = self.host.get_transport_info()

  1609.         playing  = timeInfo['playing']

  1610.         frame    = timeInfo['frame']

  1611.         bpm      = timeInfo['bpm']

  1612. 

  1613.         if playing != self.fLastTransportState or forced:

  1614.             if playing:

  1615.                 icon = getIcon("media-playback-pause")

  1616.                 self.ui.b_transport_play.setChecked(True)

  1617.                 self.ui.b_transport_play.setIcon(icon)

  1618.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  1619.             else:

  1620.                 icon = getIcon("media-playback-start")

  1621.                 self.ui.b_transport_play.setChecked(False)

  1622.                 self.ui.b_transport_play.setIcon(icon)

  1623.                 #self.ui.b_play.setText(self.tr("&Play"))

  1624. 

  1625.             self.fLastTransportState = playing

  1626. 

  1627.         if frame != self.fLastTransportFrame or forced:

  1628.             self.fLastTransportFrame = frame

  1629. 

  1630.             time = frame / self.fSampleRate

  1631.             secs =  time % 60

  1632.             mins = (time / 60) % 60

  1633.             hrs  = (time / 3600) % 60

  1634.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  1635. 

  1636.             frame1 =  frame % 1000

  1637.             frame2 = (frame / 1000) % 1000

  1638.             frame3 = (frame / 1000000) % 1000

  1639.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  1640. 

  1641.             bar  = timeInfo['bar']

  1642.             beat = timeInfo['beat']

  1643.             tick = timeInfo['tick']

  1644.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  1645. 

  1646.         if bpm != self.fLastTransportBPM or forced:

  1647.             self.fLastTransportBPM = bpm

  1648. 

  1649.             if bpm > 0.0:

  1650.                 self.ui.dsb_transport_bpm.setValue(bpm)

  1651.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  1652.             else:

  1653.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  1654. 

  1655.     # --------------------------------------------------------------------------------------------------------

  1656.     # Transport (menu actions)

  1657. 

  1658.     @pyqtSlot(bool)

  1659.     def slot_transportPlayPause(self, toggled):

  1660.         if self.host.isPlugin or not self.host.is_engine_running():

  1661.             return

  1662. 

  1663.         if toggled:

  1664.             self.host.transport_play()

  1665.         else:

  1666.             self.host.transport_pause()

  1667. 

  1668.         self.refreshTransport()

  1669. 

  1670.     @pyqtSlot()

  1671.     def slot_transportStop(self):

  1672.         if self.host.isPlugin or not self.host.is_engine_running():

  1673.             return

  1674. 

  1675.         self.host.transport_pause()

  1676.         self.host.transport_relocate(0)

  1677. 

  1678.         self.refreshTransport()

  1679. 

  1680.     @pyqtSlot()

  1681.     def slot_transportBackwards(self):

  1682.         if self.host.isPlugin or not self.host.is_engine_running():

  1683.             return

  1684. 

  1685.         newFrame = self.host.get_current_transport_frame() - 100000

  1686. 

  1687.         if newFrame < 0:

  1688.             newFrame = 0

  1689. 

  1690.         self.host.transport_relocate(newFrame)

  1691. 

  1692.     @pyqtSlot()

  1693.     def slot_transportForwards(self):

  1694.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  1695.             return

  1696. 

  1697.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  1698.         self.host.transport_relocate(newFrame)

  1699. 

  1700.     @pyqtSlot(bool)

  1701.     def slot_transportJackEnabled(self, clicked):

  1702.         if not self.host.is_engine_running():

  1703.             return

  1704.         mode  = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  1705.         extra = ":link:" if self.ui.cb_transport_link.isChecked() else ""

  1706.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, extra)

  1707. 

  1708.     @pyqtSlot(bool)

  1709.     def slot_transportLinkEnabled(self, clicked):

  1710.         if not self.host.is_engine_running():

  1711.             return

  1712.         mode  = ENGINE_TRANSPORT_MODE_JACK if self.ui.cb_transport_jack.isChecked() else ENGINE_TRANSPORT_MODE_INTERNAL

  1713.         extra = ":link:" if clicked else ""

  1714.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, extra)

  1715. 

  1716.     # --------------------------------------------------------------------------------------------------------

  1717.     # Canvas scrollbars

  1718. 

  1719.     @pyqtSlot(int)

  1720.     def slot_horizontalScrollBarChanged(self, value):

  1721.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  1722.         if maximum == 0:

  1723.             xp = 0

  1724.         else:

  1725.             xp = float(value) / maximum

  1726.         self.ui.miniCanvasPreview.setViewPosX(xp)

  1727.         self.updateCanvasInitialPos()

  1728. 

  1729.     @pyqtSlot(int)

  1730.     def slot_verticalScrollBarChanged(self, value):

  1731.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  1732.         if maximum == 0:

  1733.             yp = 0

  1734.         else:

  1735.             yp = float(value) / maximum

  1736.         self.ui.miniCanvasPreview.setViewPosY(yp)

  1737.         self.updateCanvasInitialPos()

  1738. 

  1739.     # --------------------------------------------------------------------------------------------------------

  1740.     # Canvas keyboard

  1741. 

  1742.     @pyqtSlot(int)

  1743.     def slot_noteOn(self, note):

  1744.         for pluginId in self.fSelectedPlugins:

  1745.             self.host.send_midi_note(pluginId, 0, note, 100)

  1746. 

  1747.             pedit = self.getPluginEditDialog(pluginId)

  1748.             pedit.noteOn(0, note, 100)

  1749. 

  1750.     @pyqtSlot(int)

  1751.     def slot_noteOff(self, note):

  1752.         for pluginId in self.fSelectedPlugins:

  1753.             self.host.send_midi_note(pluginId, 0, note, 0)

  1754. 

  1755.             pedit = self.getPluginEditDialog(pluginId)

  1756.             pedit.noteOff(0, note)

  1757. 

  1758.     # --------------------------------------------------------------------------------------------------------

  1759.     # Canvas keyboard (host callbacks)

  1760. 

  1761.     @pyqtSlot(int, int, int, int)

  1762.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  1763.         if pluginId in self.fSelectedPlugins:

  1764.             self.ui.keyboard.sendNoteOn(note, False)

  1765. 

  1766.     @pyqtSlot(int, int, int)

  1767.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  1768.         if pluginId in self.fSelectedPlugins:

  1769.             self.ui.keyboard.sendNoteOff(note, False)

  1770. 

  1771.     # --------------------------------------------------------------------------------------------------------

  1772. 

  1773.     @pyqtSlot(int)

  1774.     def slot_handleUpdateCallback(self, pluginId):

  1775.         pitem = self.getPluginItem(pluginId)

  1776. 

  1777.         if pitem is None:

  1778.             return

  1779. 

  1780.         wasCompacted = pitem.isCompacted()

  1781.         isCompacted  = wasCompacted

  1782. 

  1783.         for i in range(self.host.get_custom_data_count(pluginId)):

  1784.             cdata = self.host.get_custom_data(pluginId, i)

  1785. 

  1786.             if cdata['type'] == CUSTOM_DATA_TYPE_PROPERTY and cdata['key'] == "CarlaSkinIsCompacted":

  1787.                 isCompacted = bool(cdata['value'] == "true")

  1788.                 break

  1789.         else:

  1790.             return

  1791. 

  1792.         if wasCompacted == isCompacted:

  1793.             return

  1794. 

  1795.         pitem.recreateWidget(True)

  1796. 

  1797.     # --------------------------------------------------------------------------------------------------------

  1798.     # MiniCanvas stuff

  1799. 

  1800.     @pyqtSlot()

  1801.     def slot_miniCanvasCheckAll(self):

  1802.         self.slot_miniCanvasCheckSize()

  1803.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  1804.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  1805. 

  1806.     @pyqtSlot()

  1807.     def slot_miniCanvasCheckSize(self):

  1808.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  1809.             return

  1810. 

  1811.         currentIndex = self.ui.tabWidget.currentIndex()

  1812. 

  1813.         if currentIndex == 1:

  1814.             width  = self.ui.graphicsView.width()

  1815.             height = self.ui.graphicsView.height()

  1816.         else:

  1817.             self.ui.tabWidget.blockSignals(True)

  1818.             self.ui.tabWidget.setCurrentIndex(1)

  1819.             width  = self.ui.graphicsView.width()

  1820.             height = self.ui.graphicsView.height()

  1821.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  1822.             self.ui.tabWidget.blockSignals(False)

  1823. 

  1824.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  1825. 

  1826.     @pyqtSlot(float, float)

  1827.     def slot_miniCanvasMoved(self, xp, yp):

  1828.         hsb = self.ui.graphicsView.horizontalScrollBar()

  1829.         vsb = self.ui.graphicsView.verticalScrollBar()

  1830.         hsb.setValue(xp * hsb.maximum())

  1831.         vsb.setValue(yp * vsb.maximum())

  1832.         self.updateCanvasInitialPos()

  1833. 

  1834.     # --------------------------------------------------------------------------------------------------------

  1835.     # Timers

  1836. 

  1837.     def startTimers(self):

  1838.         if self.fIdleTimerFast == 0:

  1839.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  1840. 

  1841.         if self.fIdleTimerSlow == 0:

  1842.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  1843. 

  1844.     def restartTimersIfNeeded(self):

  1845.         if self.fIdleTimerFast != 0:

  1846.             self.killTimer(self.fIdleTimerFast)

  1847.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  1848. 

  1849.         if self.fIdleTimerSlow != 0:

  1850.             self.killTimer(self.fIdleTimerSlow)

  1851.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  1852. 

  1853.     def killTimers(self):

  1854.         if self.fIdleTimerFast != 0:

  1855.             self.killTimer(self.fIdleTimerFast)

  1856.             self.fIdleTimerFast = 0

  1857. 

  1858.         if self.fIdleTimerSlow != 0:

  1859.             self.killTimer(self.fIdleTimerSlow)

  1860.             self.fIdleTimerSlow = 0

  1861. 

  1862.     # --------------------------------------------------------------------------------------------------------

  1863.     # Misc

  1864. 

  1865.     @pyqtSlot(int)

  1866.     def slot_tabChanged(self, index):

  1867.         if index != 1:

  1868.             return

  1869. 

  1870.         self.ui.graphicsView.setFocus()

  1871. 

  1872.     @pyqtSlot(int)

  1873.     def slot_handleReloadAllCallback(self, pluginId):

  1874.         if pluginId >= self.fPluginCount:

  1875.             return

  1876. 

  1877.         pitem = self.fPluginList[pluginId]

  1878.         if pitem is None:

  1879.             return

  1880. 

  1881.         pitem.recreateWidget()

  1882. 

  1883.     # --------------------------------------------------------------------------------------------------------

  1884. 

  1885.     @pyqtSlot(int, int, str)

  1886.     def slot_handleNSMCallback(self, value1, value2, valueStr):

  1887.         # Error

  1888.         if value1 == 0:

  1889.             pass

  1890. 

  1891.         # Reply

  1892.         elif value1 == 1:

  1893.             self.fFirstEngineInit    = False

  1894.             self.fSessionManagerName = valueStr

  1895.             self.setProperWindowTitle()

  1896. 

  1897.         # Open

  1898.         elif value1 == 2:

  1899.             self.fClientName      = os.path.basename(valueStr)

  1900.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  1901.             self.setProperWindowTitle()

  1902. 

  1903.             self.fCustomStopAction = 2

  1904.             self.slot_engineStop(True)

  1905.             return

  1906. 

  1907.         # Save

  1908.         elif value1 == 3:

  1909.             self.saveProjectNow()

  1910. 

  1911.         # Session is Loaded

  1912.         elif value1 == 4:

  1913.             pass

  1914. 

  1915.         # Show Optional Gui

  1916.         elif value1 == 5:

  1917.             self.show()

  1918. 

  1919.         # Hide Optional Gui

  1920.         elif value1 == 6:

  1921.             self.hide()

  1922. 

  1923.         self.host.nsm_ready(value1)

  1924. 

  1925.     # --------------------------------------------------------------------------------------------------------

  1926. 

  1927.     def fixLogText(self, text):

  1928.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  1929. 

  1930.     @pyqtSlot(int, int, int, float, str)

  1931.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valueStr):

  1932.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  1933. 

  1934.     @pyqtSlot(str)

  1935.     def slot_handleInfoCallback(self, info):

  1936.         QMessageBox.information(self, "Information", info)

  1937. 

  1938.     @pyqtSlot(str)

  1939.     def slot_handleErrorCallback(self, error):

  1940.         QMessageBox.critical(self, "Error", error)

  1941. 

  1942.     @pyqtSlot()

  1943.     def slot_handleQuitCallback(self):

  1944.         pass # TODO

  1945. 

  1946.     # --------------------------------------------------------------------------------------------------------

  1947. 

  1948.     @pyqtSlot()

  1949.     def slot_handleSIGUSR1(self):

  1950.         print("Got SIGUSR1 -> Saving project now")

  1951.         self.slot_fileSave()

  1952. 

  1953.     @pyqtSlot()

  1954.     def slot_handleSIGTERM(self):

  1955.         print("Got SIGTERM -> Closing now")

  1956.         self.fCustomStopAction = 1

  1957.         self.slot_engineStop(True)

  1958. 

  1959.     # --------------------------------------------------------------------------------------------------------

  1960.     # Internal stuff

  1961. 

  1962.     def getExtraPtr(self, plugin):

  1963.         ptype = plugin['type']

  1964. 

  1965.         if ptype == PLUGIN_LADSPA:

  1966.             uniqueId = plugin['uniqueId']

  1967. 

  1968.             self.maybeLoadRDFs()

  1969. 

  1970.             for rdfItem in self.fLadspaRdfList:

  1971.                 if rdfItem.UniqueID == uniqueId:

  1972.                     return pointer(rdfItem)

  1973. 

  1974.         elif ptype in (PLUGIN_GIG, PLUGIN_SF2):

  1975.             if plugin['name'].lower().endswith(" (16 outputs)"):

  1976.                 return self._true

  1977. 

  1978.         return None

  1979. 

  1980.     def maybeLoadRDFs(self):

  1981.         if not self.fLadspaRdfNeedsUpdate:

  1982.             return

  1983. 

  1984.         self.fLadspaRdfNeedsUpdate = False

  1985.         self.fLadspaRdfList = []

  1986. 

  1987.         if not haveLRDF:

  1988.             return

  1989. 

  1990.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  1991.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  1992. 

  1993.         if os.path.exists(frLadspaFile):

  1994.             frLadspa = open(frLadspaFile, 'r')

  1995. 

  1996.             try:

  1997.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  1998.             except:

  1999.                 pass

  2000. 

  2001.             frLadspa.close()

  2002. 

  2003.     # --------------------------------------------------------------------------------------------------------

  2004. 

  2005.     def getPluginItem(self, pluginId):

  2006.         if pluginId >= self.fPluginCount:

  2007.             return None

  2008. 

  2009.         pitem = self.fPluginList[pluginId]

  2010.         if pitem is None:

  2011.             return None

  2012.         #if False:

  2013.             #return CarlaRackItem(self, 0, False)

  2014. 

  2015.         return pitem

  2016. 

  2017.     def getPluginEditDialog(self, pluginId):

  2018.         if pluginId >= self.fPluginCount:

  2019.             return None

  2020. 

  2021.         pitem = self.fPluginList[pluginId]

  2022.         if pitem is None:

  2023.             return None

  2024.         if False:

  2025.             return PluginEdit(self, self.host, 0)

  2026. 

  2027.         return pitem.getEditDialog()

  2028. 

  2029.     def getPluginSlotWidget(self, pluginId):

  2030.         if pluginId >= self.fPluginCount:

  2031.             return None

  2032. 

  2033.         pitem = self.fPluginList[pluginId]

  2034.         if pitem is None:

  2035.             return None

  2036.         #if False:

  2037.             #return AbstractPluginSlot()

  2038. 

  2039.         return pitem.getWidget()

  2040. 

  2041.     # --------------------------------------------------------------------------------------------------------

  2042. 

  2043.     def waitForPendingEvents(self):

  2044.         pass

  2045. 

  2046.     # --------------------------------------------------------------------------------------------------------

  2047.     # show/hide event

  2048. 

  2049.     def showEvent(self, event):

  2050.         self.refreshTransport(True)

  2051.         QMainWindow.showEvent(self, event)

  2052. 

  2053.         # set our gui as parent for all plugins UIs

  2054.         if self.host.manageUIs and not (self.host.isControl or self.host.isPlugin):

  2055.             winIdStr = "%x" % int(self.winId())

  2056.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2057. 

  2058.     def hideEvent(self, event):

  2059.         # disable parent

  2060.         if not (self.host.isControl or self.host.isPlugin):

  2061.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2062. 

  2063.         QMainWindow.hideEvent(self, event)

  2064. 

  2065.     # --------------------------------------------------------------------------------------------------------

  2066.     # resize event

  2067. 

  2068.     def fixCanvasPreviewSize(self):

  2069.         self.ui.patchbay.resize(self.ui.rack.size())

  2070.         self.slot_miniCanvasCheckSize()

  2071. 

  2072.     def resizeEvent(self, event):

  2073.         QMainWindow.resizeEvent(self, event)

  2074. 

  2075.         if self.ui.tabWidget.currentIndex() != 1:

  2076.             size = self.ui.rack.size()

  2077.             self.ui.patchbay.resize(size)

  2078. 

  2079.         self.slot_miniCanvasCheckSize()

  2080. 

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

  2082.     # timer event

  2083. 

  2084.     def idleFast(self):

  2085.         self.host.engine_idle()

  2086.         self.refreshTransport()

  2087. 

  2088.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2089.             return

  2090. 

  2091.         for pitem in self.fPluginList:

  2092.             if pitem is None:

  2093.                 break

  2094. 

  2095.             pitem.getWidget().idleFast()

  2096. 

  2097.         for pluginId in self.fSelectedPlugins:

  2098.             self.fPeaksCleared = False

  2099.             if self.ui.peak_in.isVisible():

  2100.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2101.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2102.             if self.ui.peak_out.isVisible():

  2103.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2104.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2105.             return

  2106. 

  2107.         if self.fPeaksCleared:

  2108.             return

  2109. 

  2110.         self.fPeaksCleared = True

  2111.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2112.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2113.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2114.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2115. 

  2116.     def idleSlow(self):

  2117.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2118.             return

  2119. 

  2120.         for pitem in self.fPluginList:

  2121.             if pitem is None:

  2122.                 break

  2123. 

  2124.             pitem.getWidget().idleSlow()

  2125. 

  2126.     def timerEvent(self, event):

  2127.         if event.timerId() == self.fIdleTimerFast:

  2128.             self.idleFast()

  2129. 

  2130.         elif event.timerId() == self.fIdleTimerSlow:

  2131.             self.idleSlow()

  2132. 

  2133.         QMainWindow.timerEvent(self, event)

  2134. 

  2135.     # --------------------------------------------------------------------------------------------------------

  2136.     # paint event

  2137. 

  2138.     #def paintEvent(self, event):

  2139.         #QMainWindow.paintEvent(self, event)

  2140. 

  2141.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2142.             #return

  2143. 

  2144.         #painter = QPainter(self)

  2145.         #painter.setBrush(QColor(36, 36, 36))

  2146.         #painter.setPen(QColor(62, 62, 62))

  2147.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2148. 

  2149.     # --------------------------------------------------------------------------------------------------------

  2150.     # close event

  2151. 

  2152.     def closeEvent(self, event):

  2153.         self.killTimers()

  2154.         self.saveSettings()

  2155. 

  2156.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  2157.             if not self.slot_engineStop(True):

  2158.                 self.fCustomStopAction = 1

  2159.                 event.ignore()

  2160.                 return

  2161. 

  2162.         QMainWindow.closeEvent(self, event)

  2163. 

  2164. # ------------------------------------------------------------------------------------------------

  2165. # Canvas callback

  2166. 

  2167. def canvasCallback(action, value1, value2, valueStr):

  2168.     host = gCarla.gui.host

  2169. 

  2170.     if action == patchcanvas.ACTION_GROUP_INFO:

  2171.         pass

  2172. 

  2173.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  2174.         pass

  2175. 

  2176.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  2177.         groupId = value1

  2178.         patchcanvas.splitGroup(groupId)

  2179.         gCarla.gui.updateMiniCanvasLater()

  2180. 

  2181.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  2182.         groupId = value1

  2183.         patchcanvas.joinGroup(groupId)

  2184.         gCarla.gui.updateMiniCanvasLater()

  2185. 

  2186.     elif action == patchcanvas.ACTION_PORT_INFO:

  2187.         pass

  2188. 

  2189.     elif action == patchcanvas.ACTION_PORT_RENAME:

  2190.         pass

  2191. 

  2192.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  2193.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")]

  2194. 

  2195.         if not host.patchbay_connect(gOut, pOut, gIn, pIn):

  2196.             print("Connection failed:", host.get_last_error())

  2197. 

  2198.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  2199.         connectionId = value1

  2200. 

  2201.         if not host.patchbay_disconnect(connectionId):

  2202.             print("Disconnect failed:", host.get_last_error())

  2203. 

  2204.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  2205.         pluginId = value1

  2206. 

  2207.         if not host.clone_plugin(pluginId):

  2208.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2209.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2210. 

  2211.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  2212.         pluginId = value1

  2213.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2214. 

  2215.         if pwidget is not None:

  2216.             pwidget.showEditDialog()

  2217. 

  2218.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  2219.         pluginId = value1

  2220.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2221. 

  2222.         if pwidget is not None:

  2223.             pwidget.showRenameDialog()

  2224. 

  2225.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  2226.         pluginId = value1

  2227.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2228. 

  2229.         if pwidget is not None:

  2230.             pwidget.showReplaceDialog()

  2231. 

  2232.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  2233.         pluginId = value1

  2234. 

  2235.         if not host.remove_plugin(pluginId):

  2236.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2237.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2238. 

  2239.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  2240.         pluginId = value1

  2241.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2242. 

  2243.         if pwidget is not None:

  2244.             pwidget.showCustomUI()

  2245. 

  2246.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  2247.         gCarla.gui.showPluginActionsMenu()

  2248. 

  2249. # ------------------------------------------------------------------------------------------------------------

  2250. # Engine callback

  2251. 

  2252. def engineCallback(host, action, pluginId, value1, value2, value3, valueStr):

  2253.     # kdevelop likes this :)

  2254.     if False: host = CarlaHostNull()

  2255. 

  2256.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  2257.         host.processMode   = value1

  2258.         host.transportMode = value2

  2259.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2260.         host.processMode   = value1

  2261.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2262.         host.transportMode = value1

  2263. 

  2264.     valueStr = charPtrToString(valueStr)

  2265. 

  2266.     if action == ENGINE_CALLBACK_DEBUG:

  2267.         host.DebugCallback.emit(pluginId, value1, value2, value3, valueStr)

  2268.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  2269.         host.PluginAddedCallback.emit(pluginId, valueStr)

  2270.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  2271.         host.PluginRemovedCallback.emit(pluginId)

  2272.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  2273.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  2274.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  2275.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  2276.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  2277.         host.ParameterValueChangedCallback.emit(pluginId, value1, value3)

  2278.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  2279.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, value3)

  2280.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CC_CHANGED:

  2281.         host.ParameterMidiCcChangedCallback.emit(pluginId, value1, value2)

  2282.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  2283.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  2284.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  2285.         host.ProgramChangedCallback.emit(pluginId, value1)

  2286.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  2287.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  2288.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  2289.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  2290.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  2291.         host.UiStateChangedCallback.emit(pluginId, value1)

  2292.     elif action == ENGINE_CALLBACK_NOTE_ON:

  2293.         host.NoteOnCallback.emit(pluginId, value1, value2, round(value3))

  2294.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  2295.         host.NoteOffCallback.emit(pluginId, value1, value2)

  2296.     elif action == ENGINE_CALLBACK_UPDATE:

  2297.         host.UpdateCallback.emit(pluginId)

  2298.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  2299.         host.ReloadInfoCallback.emit(pluginId)

  2300.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  2301.         host.ReloadParametersCallback.emit(pluginId)

  2302.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  2303.         host.ReloadProgramsCallback.emit(pluginId)

  2304.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  2305.         host.ReloadAllCallback.emit(pluginId)

  2306.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  2307.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  2308.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  2309.         host.PatchbayClientRemovedCallback.emit(pluginId)

  2310.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  2311.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  2312.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  2313.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  2314.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  2315.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, valueStr)

  2316.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  2317.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  2318.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_RENAMED:

  2319.         host.PatchbayPortRenamedCallback.emit(pluginId, value1, valueStr)

  2320.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  2321.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  2322.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  2323.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  2324.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  2325.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  2326.         host.EngineStartedCallback.emit(value1, value2, valueStr)

  2327.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  2328.         host.EngineStoppedCallback.emit()

  2329.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2330.         host.ProcessModeChangedCallback.emit(value1)

  2331.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2332.         host.TransportModeChangedCallback.emit(value1)

  2333.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  2334.         host.BufferSizeChangedCallback.emit(value1)

  2335.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  2336.         host.SampleRateChangedCallback.emit(value3)

  2337.     elif action == ENGINE_CALLBACK_NSM:

  2338.         host.NSMCallback.emit(value1, value2, valueStr)

  2339.     elif action == ENGINE_CALLBACK_IDLE:

  2340.         QApplication.instance().processEvents()

  2341.     elif action == ENGINE_CALLBACK_INFO:

  2342.         host.InfoCallback.emit(valueStr)

  2343.     elif action == ENGINE_CALLBACK_ERROR:

  2344.         host.ErrorCallback.emit(valueStr)

  2345.     elif action == ENGINE_CALLBACK_QUIT:

  2346.         host.QuitCallback.emit()

  2347. 

  2348. # ------------------------------------------------------------------------------------------------------------

  2349. # File callback

  2350. 

  2351. def fileCallback(ptr, action, isDir, title, filter):

  2352.     ret = ("", "") if config_UseQt5 else ""

  2353. 

  2354.     if action == FILE_CALLBACK_DEBUG:

  2355.         pass

  2356.     elif action == FILE_CALLBACK_OPEN:

  2357.         ret = QFileDialog.getOpenFileName(gCarla.gui, charPtrToString(title), "", charPtrToString(filter) ) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  2358.     elif action == FILE_CALLBACK_SAVE:

  2359.         ret = QFileDialog.getSaveFileName(gCarla.gui, charPtrToString(title), "", charPtrToString(filter), QFileDialog.ShowDirsOnly if isDir else 0x0)

  2360. 

  2361.     if config_UseQt5:

  2362.         ret = ret[0]

  2363.     if not ret:

  2364.         return None

  2365. 

  2366.     # FIXME

  2367.     global fileRet

  2368.     fileRet = c_char_p(ret.encode("utf-8"))

  2369.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  2370.     return retval.contents.value

  2371. 

  2372. # ------------------------------------------------------------------------------------------------------------

  2373. # Init host

  2374. 

  2375. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  2376.     pathBinaries, pathResources = getPaths(libPrefix)

  2377. 

  2378.     # --------------------------------------------------------------------------------------------------------

  2379.     # Check if we should open main lib as local or global

  2380. 

  2381.     settings = QSettings("falkTX", "Carla2")

  2382. 

  2383.     try:

  2384.         loadLocal = settings.value(CARLA_KEY_MAIN_LOAD_LIB_LOCAL, CARLA_DEFAULT_MAIN_LOAD_LIB_LOCAL, type=bool)

  2385.     except:

  2386.         loadLocal = CARLA_DEFAULT_MAIN_LOAD_LIB_LOCAL

  2387. 

  2388.     # --------------------------------------------------------------------------------------------------------

  2389.     # Fail if binary dir is not found

  2390. 

  2391.     if not os.path.exists(pathBinaries):

  2392.         if failError:

  2393.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  2394.             sys.exit(1)

  2395.         return

  2396. 

  2397.     # --------------------------------------------------------------------------------------------------------

  2398.     # Set Carla library name

  2399. 

  2400.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  2401.     libname   = os.path.join(pathBinaries, libname)

  2402.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  2403. 

  2404.     # --------------------------------------------------------------------------------------------------------

  2405.     # Print info

  2406. 

  2407.     print("Carla %s started, status:" % VERSION)

  2408.     print("  Python version: %s" % sys.version.split(" ",1)[0])

  2409.     print("  Qt version:     %s" % qVersion())

  2410.     print("  PyQt version:   %s" % PYQT_VERSION_STR)

  2411.     print("  Binary dir:     %s" % pathBinaries)

  2412.     print("  Resources dir:  %s" % pathResources)

  2413. 

  2414.     # --------------------------------------------------------------------------------------------------------

  2415.     # Init host

  2416. 

  2417. 

  2418. 

  2419.     if failError:

  2420.         # no try

  2421.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadLocal)

  2422.     else:

  2423.         try:

  2424.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadLocal)

  2425.         except:

  2426.             host = CarlaHostQtNull()

  2427. 

  2428.     host.isControl = isControl

  2429.     host.isPlugin  = isPlugin

  2430. 

  2431.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vs: engineCallback(host,a,p,v1,v2,v3,vs))

  2432.     host.set_file_callback(fileCallback)

  2433. 

  2434.     # If it's a plugin the paths are already set

  2435.     if not isPlugin:

  2436.         host.pathBinaries  = pathBinaries

  2437.         host.pathResources = pathResources

  2438.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  2439.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  2440. 

  2441.         if not isControl:

  2442.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  2443. 

  2444.     # --------------------------------------------------------------------------------------------------------

  2445.     # Init utils

  2446. 

  2447.     gCarla.utils = CarlaUtils(utilsname)

  2448.     gCarla.utils.set_process_name(os.path.basename(initName))

  2449. 

  2450.     try:

  2451.         sys.stdout.flush()

  2452.     except:

  2453.         pass

  2454. 

  2455.     sys.stdout = CarlaPrint(False)

  2456.     sys.stderr = CarlaPrint(True)

  2457. 

  2458.     # --------------------------------------------------------------------------------------------------------

  2459.     # Done

  2460. 

  2461.     return host

  2462. 

  2463. # ------------------------------------------------------------------------------------------------------------

  2464. # Load host settings

  2465. 

  2466. def loadHostSettings(host):

  2467.     # kdevelop likes this :)

  2468.     if False: host = CarlaHostNull()

  2469. 

  2470.     settings = QSettings("falkTX", "Carla2")

  2471. 

  2472.     # bool values

  2473.     try:

  2474.         host.manageUIs = settings.value(CARLA_KEY_MAIN_MANAGE_UIS, CARLA_DEFAULT_MAIN_MANAGE_UIS, type=bool)

  2475.     except:

  2476.         host.manageUIs = CARLA_DEFAULT_MAIN_MANAGE_UIS

  2477. 

  2478.     try:

  2479.         host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, type=bool)

  2480.     except:

  2481.         host.showLogs = CARLA_DEFAULT_MAIN_SHOW_LOGS

  2482. 

  2483.     try:

  2484.         host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, type=bool)

  2485.     except:

  2486.         host.uisAlwaysOnTop = CARLA_DEFAULT_UIS_ALWAYS_ON_TOP

  2487. 

  2488.     try:

  2489.         host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, type=bool)

  2490.     except:

  2491.         host.forceStereo = CARLA_DEFAULT_FORCE_STEREO

  2492. 

  2493.     try:

  2494.         host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, type=bool)

  2495.     except:

  2496.         host.preferPluginBridges = CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES

  2497. 

  2498.     try:

  2499.         host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, type=bool)

  2500.     except:

  2501.         host.preferUIBridges = CARLA_DEFAULT_PREFER_UI_BRIDGES

  2502. 

  2503.     # int values

  2504.     try:

  2505.         host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, type=int)

  2506.     except:

  2507.         host.maxParameters = CARLA_DEFAULT_MAX_PARAMETERS

  2508. 

  2509.     try:

  2510.         host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, type=int)

  2511.     except:

  2512.         host.uiBridgesTimeout = CARLA_DEFAULT_UI_BRIDGES_TIMEOUT

  2513. 

  2514.     if host.isPlugin:

  2515.         return

  2516. 

  2517.     # enums

  2518.     if host.audioDriverForced is None:

  2519.         try:

  2520.             host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, type=int)

  2521.         except:

  2522.             host.transportMode = CARLA_DEFAULT_TRANSPORT_MODE

  2523. 

  2524.     if not host.processModeForced:

  2525.         try:

  2526.             host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, type=int)

  2527.         except:

  2528.             host.processMode = CARLA_DEFAULT_PROCESS_MODE

  2529. 

  2530.     host.nextProcessMode = host.processMode

  2531. 

  2532.     # --------------------------------------------------------------------------------------------------------

  2533.     # fix things if needed

  2534. 

  2535.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS and LADISH_APP_NAME:

  2536.         print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  2537.         host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  2538. 

  2539.     # --------------------------------------------------------------------------------------------------------

  2540.     # run headless host now if nogui option enabled

  2541. 

  2542.     if gCarla.nogui:

  2543.         runHostWithoutUI(host)

  2544. 

  2545. # ------------------------------------------------------------------------------------------------------------

  2546. # Set host settings

  2547. 

  2548. def setHostSettings(host):

  2549.     # kdevelop likes this :)

  2550.     if False: host = CarlaHostNull()

  2551. 

  2552.     # TEST

  2553.     #host.preventBadBehaviour = True

  2554.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  2555.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  2556.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  2557.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  2558.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  2559.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  2560.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  2561.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  2562. 

  2563.     if host.isPlugin:

  2564.         return

  2565. 

  2566.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  2567.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       "")

  2568. 

  2569. # ------------------------------------------------------------------------------------------------------------

  2570. # Set Engine settings according to carla preferences. Returns selected audio driver.

  2571. 

  2572. def setEngineSettings(host):

  2573.     # kdevelop likes this :)

  2574.     if False: host = CarlaHostNull()

  2575. 

  2576.     # --------------------------------------------------------------------------------------------------------

  2577.     # do nothing if control

  2578. 

  2579.     if host.isControl:

  2580.         return "Control"

  2581. 

  2582.     # --------------------------------------------------------------------------------------------------------

  2583. 

  2584.     settings = QSettings("falkTX", "Carla2")

  2585. 

  2586.     # --------------------------------------------------------------------------------------------------------

  2587.     # main settings

  2588. 

  2589.     setHostSettings(host)

  2590. 

  2591.     # --------------------------------------------------------------------------------------------------------

  2592.     # plugin paths

  2593. 

  2594.     LADSPA_PATH = toList(settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH))

  2595.     DSSI_PATH   = toList(settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH))

  2596.     LV2_PATH    = toList(settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH))

  2597.     VST2_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST2,   CARLA_DEFAULT_VST2_PATH))

  2598.     VST3_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST3,   CARLA_DEFAULT_VST3_PATH))

  2599.     GIG_PATH    = toList(settings.value(CARLA_KEY_PATHS_GIG,    CARLA_DEFAULT_GIG_PATH))

  2600.     SF2_PATH    = toList(settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH))

  2601.     SFZ_PATH    = toList(settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH))

  2602. 

  2603.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  2604.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  2605.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  2606.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2,   splitter.join(VST2_PATH))

  2607.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST3,   splitter.join(VST3_PATH))

  2608.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_GIG,    splitter.join(GIG_PATH))

  2609.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  2610.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  2611. 

  2612.     # --------------------------------------------------------------------------------------------------------

  2613.     # don't continue if plugin

  2614. 

  2615.     if host.isPlugin:

  2616.         return "Plugin"

  2617. 

  2618.     # --------------------------------------------------------------------------------------------------------

  2619.     # driver and device settings

  2620. 

  2621.     # driver name

  2622.     if host.audioDriverForced is not None:

  2623.         audioDriver = host.audioDriverForced

  2624.     else:

  2625.         try:

  2626.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, type=str)

  2627.         except:

  2628.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  2629. 

  2630.     # driver options

  2631.     try:

  2632.         audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", type=str)

  2633.     except:

  2634.         audioDevice = ""

  2635. 

  2636.     try:

  2637.         audioNumPeriods = settings.value("%s%s/NumPeriods" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_NUM_PERIODS, type=int)

  2638.     except:

  2639.         audioNumPeriods = CARLA_DEFAULT_AUDIO_NUM_PERIODS

  2640. 

  2641.     try:

  2642.         audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, type=int)

  2643.     except:

  2644.         audioBufferSize = CARLA_DEFAULT_AUDIO_BUFFER_SIZE

  2645. 

  2646.     try:

  2647.         audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, type=int)

  2648.     except:

  2649.         audioSampleRate = CARLA_DEFAULT_AUDIO_SAMPLE_RATE

  2650. 

  2651.     host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE,      0,               audioDevice)

  2652.     host.set_engine_option(ENGINE_OPTION_AUDIO_NUM_PERIODS, audioNumPeriods, "")

  2653.     host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  2654.     host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  2655. 

  2656.     # --------------------------------------------------------------------------------------------------------

  2657.     # fix things if needed

  2658. 

  2659.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  2660.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  2661.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, "")

  2662. 

  2663.     # --------------------------------------------------------------------------------------------------------

  2664.     # return selected driver name

  2665. 

  2666.     return audioDriver

  2667. 

  2668. # ------------------------------------------------------------------------------------------------------------

  2669. # Run Carla without showing UI

  2670. 

  2671. def runHostWithoutUI(host):

  2672.     # kdevelop likes this :)

  2673.     if False: host = CarlaHostNull()

  2674. 

  2675.     # --------------------------------------------------------------------------------------------------------

  2676.     # Some initial checks

  2677. 

  2678.     if not gCarla.nogui:

  2679.         return

  2680. 

  2681.     projectFile = getInitialProjectFile(QCoreApplication.instance(), True)

  2682. 

  2683.     if not projectFile:

  2684.         print("Carla no-gui mode can only be used together with a project file.")

  2685.         sys.exit(1)

  2686. 

  2687.     # --------------------------------------------------------------------------------------------------------

  2688.     # Additional imports

  2689. 

  2690.     from time import sleep

  2691. 

  2692.     # --------------------------------------------------------------------------------------------------------

  2693.     # Init engine

  2694. 

  2695.     audioDriver = setEngineSettings(host)

  2696.     if not host.engine_init(audioDriver, "Carla-nogui"):

  2697.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  2698.         sys.exit(1)

  2699. 

  2700.     if not host.load_project(projectFile):

  2701.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  2702.         host.engine_close()

  2703.         sys.exit(1)

  2704. 

  2705.     # --------------------------------------------------------------------------------------------------------

  2706.     # Idle

  2707. 

  2708.     while host.is_engine_running() and not gCarla.term:

  2709.         host.engine_idle()

  2710.         sleep(0.5)

  2711. 

  2712.     # --------------------------------------------------------------------------------------------------------

  2713.     # Stop

  2714. 

  2715.     host.engine_close()

  2716.     sys.exit(0)

  2717. 

  2718. # ------------------------------------------------------------------------------------------------------------