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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 != "/Shared/Personal/FOSS/GIT/falkTX/Carla/source":

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

  356. 

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

  358.         # Load Settings

  359. 

  360.         self.loadSettings(True)

  361. 

  362.         # ----------------------------------------------------------------------------------------------------

  363.         # Set-up Canvas

  364. 

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

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

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

  368. 

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

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

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

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

  373. 

  374.         self.setupCanvas()

  375. 

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

  377.         # Connect actions to functions

  378. 

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

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

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

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

  383. 

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

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

  386. 

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

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

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

  390. 

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

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

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

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

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

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

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

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

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

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

  401. 

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

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

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

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

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

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

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

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

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

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

  412. 

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

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

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

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

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

  418. 

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

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

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

  422. 

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

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

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

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

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

  428. 

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

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

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

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

  433. 

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

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

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

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

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

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

  440. 

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

  442. 

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

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

  445. 

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

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

  448. 

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

  450. 

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

  452. 

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

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

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

  456. 

  457.         self.SIGUSR1.connect(self.slot_handleSIGUSR1)

  458.         self.SIGTERM.connect(self.slot_handleSIGTERM)

  459. 

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

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

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

  463. 

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

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

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

  467. 

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

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

  470. 

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

  472. 

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

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

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

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

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

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

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

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

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

  482. 

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

  484. 

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

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

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

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

  489. 

  490.         # ----------------------------------------------------------------------------------------------------

  491.         # Final setup

  492. 

  493.         self.ui.text_logs.clear()

  494.         self.setProperWindowTitle()

  495. 

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

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

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

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

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

  501. 

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

  503.         if self.host.isPlugin:

  504.             self.startTimers()

  505. 

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

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

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

  509. 

  510.         # Load initial project file if set

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

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

  513. 

  514.             if projectFile:

  515.                 self.loadProjectLater(projectFile)

  516. 

  517.         # For NSM we wait for the open message

  518.         if NSM_URL and host.nsmOK:

  519.             host.nsm_ready(-1)

  520.             return

  521. 

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

  523. 

  524.     # --------------------------------------------------------------------------------------------------------

  525.     # Setup

  526. 

  527.     def compactPlugin(self, pluginId):

  528.         if pluginId > self.fPluginCount:

  529.             return

  530. 

  531.         pitem = self.fPluginList[pluginId]

  532. 

  533.         if pitem is None:

  534.             return

  535. 

  536.         pitem.recreateWidget(True)

  537. 

  538.     def setLoadRDFsNeeded(self):

  539.         self.fLadspaRdfNeedsUpdate = True

  540. 

  541.     def setProperWindowTitle(self):

  542.         title = self.fClientName

  543. 

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

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

  546.         if self.fSessionManagerName:

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

  548. 

  549.         self.setWindowTitle(title)

  550. 

  551.     # --------------------------------------------------------------------------------------------------------

  552.     # Files

  553. 

  554.     def loadProjectNow(self):

  555.         if not self.fProjectFilename:

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

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

  558.             return

  559. 

  560.         self.projectLoadingStarted()

  561.         self.fIsProjectLoading = True

  562. 

  563.         self.host.load_project(self.fProjectFilename)

  564. 

  565.         self.fIsProjectLoading = False

  566.         self.projectLoadingFinished()

  567. 

  568.     def loadProjectLater(self, filename):

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

  570.         self.setProperWindowTitle()

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

  572. 

  573.     def saveProjectNow(self):

  574.         if not self.fProjectFilename:

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

  576. 

  577.         self.host.save_project(self.fProjectFilename)

  578. 

  579.     def projectLoadingStarted(self):

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

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

  582. 

  583.     def projectLoadingFinished(self):

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

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

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

  587. 

  588.     # --------------------------------------------------------------------------------------------------------

  589.     # Files (menu actions)

  590. 

  591.     @pyqtSlot()

  592.     def slot_fileNew(self):

  593.         self.slot_pluginRemoveAll()

  594.         self.fProjectFilename = ""

  595.         self.setProperWindowTitle()

  596. 

  597.     @pyqtSlot()

  598.     def slot_fileOpen(self):

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

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

  601. 

  602.         if config_UseQt5:

  603.             filename = filename[0]

  604.         if not filename:

  605.             return

  606. 

  607.         newFile = True

  608. 

  609.         if self.fPluginCount > 0:

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

  611.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  613. 

  614.         if newFile:

  615.             self.slot_pluginRemoveAll()

  616.             self.fProjectFilename = filename

  617.             self.setProperWindowTitle()

  618.             self.loadProjectNow()

  619.         else:

  620.             filenameOld = self.fProjectFilename

  621.             self.fProjectFilename = filename

  622.             self.loadProjectNow()

  623.             self.fProjectFilename = filenameOld

  624. 

  625.     @pyqtSlot()

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

  627.         if self.fProjectFilename and not saveAs:

  628.             return self.saveProjectNow()

  629. 

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

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

  632. 

  633.         if config_UseQt5:

  634.             filename = filename[0]

  635.         if not filename:

  636.             return

  637. 

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

  639.             filename += ".carxp"

  640. 

  641.         if self.fProjectFilename != filename:

  642.             self.fProjectFilename = filename

  643.             self.setProperWindowTitle()

  644. 

  645.         self.saveProjectNow()

  646. 

  647.     @pyqtSlot()

  648.     def slot_fileSaveAs(self):

  649.         self.slot_fileSave(True)

  650. 

  651.     @pyqtSlot()

  652.     def slot_loadProjectNow(self):

  653.         self.loadProjectNow()

  654. 

  655.     # --------------------------------------------------------------------------------------------------------

  656.     # Engine (menu actions)

  657. 

  658.     @pyqtSlot()

  659.     def slot_engineStart(self):

  660.         audioDriver = setEngineSettings(self.host)

  661.         firstInit   = self.fFirstEngineInit

  662. 

  663.         self.fFirstEngineInit = False

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

  665. 

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

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

  668.             return

  669. 

  670.         elif firstInit:

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

  672.             return

  673. 

  674.         audioError = self.host.get_last_error()

  675. 

  676.         if audioError:

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

  678.         else:

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

  680. 

  681.     @pyqtSlot()

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

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

  684. 

  685.         if self.fPluginCount == 0:

  686.             self.engineStopFinal()

  687.             return True

  688. 

  689.         if not forced:

  690.             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"

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

  692.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  693.             if ask != QMessageBox.Yes:

  694.                 return False

  695. 

  696.         return self.slot_engineStopTryAgain()

  697. 

  698.     @pyqtSlot()

  699.     def slot_engineStopTryAgain(self):

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

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

  702.             return False

  703. 

  704.         self.engineStopFinal()

  705.         return True

  706. 

  707.     def engineStopFinal(self):

  708.         self.killTimers()

  709.         self.removeAllPlugins()

  710. 

  711.         if self.host.is_engine_running():

  712.             self.host.remove_all_plugins()

  713. 

  714.             if self.host.engine_close():

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

  716.             else:

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

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

  719. 

  720.         if self.fCustomStopAction == 1:

  721.             self.close()

  722.         elif self.fCustomStopAction == 2:

  723.             self.slot_engineStart()

  724.             self.loadProjectNow()

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

  726. 

  727.         self.fCustomStopAction = 0

  728. 

  729.     # --------------------------------------------------------------------------------------------------------

  730.     # Engine (host callbacks)

  731. 

  732.     @pyqtSlot(int, int, str)

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

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

  735. 

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

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

  738. 

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

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

  741. 

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

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

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

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

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

  747.         else:

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

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

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

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

  752. 

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

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

  755. 

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

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

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

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

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

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

  762. 

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

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

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

  766. 

  767.         self.refreshTransport(True)

  768. 

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

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

  771. 

  772.         self.startTimers()

  773. 

  774.     @pyqtSlot()

  775.     def slot_handleEngineStoppedCallback(self):

  776.         patchcanvas.clear()

  777.         self.killTimers()

  778. 

  779.         # just in case

  780.         self.removeAllPlugins()

  781. 

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

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

  784. 

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

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

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

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

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

  790. 

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

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

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

  794. 

  795.     @pyqtSlot(float)

  796.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  797.         self.fSampleRate = newSampleRate

  798.         self.refreshTransport(True)

  799. 

  800.     # --------------------------------------------------------------------------------------------------------

  801.     # Plugins

  802. 

  803.     def removeAllPlugins(self):

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

  805.         patchcanvas.handleAllPluginsRemoved()

  806. 

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

  808.             pass

  809. 

  810.         self.clearSideStuff()

  811. 

  812.         for pitem in self.fPluginList:

  813.             if pitem is None:

  814.                 continue

  815. 

  816.             pitem.close()

  817.             del pitem

  818. 

  819.         self.fPluginCount = 0

  820.         self.fPluginList  = []

  821. 

  822.     # --------------------------------------------------------------------------------------------------------

  823.     # Plugins (menu actions)

  824. 

  825.     def showAddPluginDialog(self):

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

  827. 

  828.         if not dialog.exec_():

  829.             return

  830. 

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

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

  833.             return

  834. 

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

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

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

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

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

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

  841. 

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

  843. 

  844.     @pyqtSlot()

  845.     def showPluginActionsMenu(self):

  846.         menu = QMenu(self)

  847. 

  848.         if config_UseQt5:

  849.             menu.addSection("Plugins")

  850.         else:

  851.             # fake section

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

  853.             font = act.font()

  854.             font.setBold(True)

  855.             act.setFont(font)

  856.             act.setEnabled(False)

  857.             menu.addSeparator()

  858. 

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

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

  861. 

  862.         if config_UseQt5:

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

  864.         else:

  865.             # fake space

  866.             act  = menu.addAction(" ")

  867.             font = act.font()

  868.             font.setBold(True)

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

  870.             act.setEnabled(False)

  871. 

  872.             # fake section

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

  874.             font = act.font()

  875.             font.setBold(True)

  876.             act.setFont(font)

  877.             act.setEnabled(False)

  878.             menu.addSeparator()

  879. 

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

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

  882.         menu.addSeparator()

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

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

  885.         menu.addSeparator()

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

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

  888.         menu.addSeparator()

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

  890.         menu.addSeparator()

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

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

  893. 

  894.         menu.exec_(QCursor.pos())

  895. 

  896.     @pyqtSlot()

  897.     def slot_pluginAdd(self):

  898.         data = self.showAddPluginDialog()

  899. 

  900.         if data is None:

  901.             return

  902. 

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

  904. 

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

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

  907. 

  908.     @pyqtSlot()

  909.     def slot_pluginRemoveAll(self):

  910.         if self.fPluginCount == 0:

  911.             return

  912. 

  913.         # FIXME - this is not working

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

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

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

  917.             self.projectLoadingStarted()

  918. 

  919.             app = QApplication.instance()

  920.             app.processEvents()

  921. 

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

  923.                 self.host.remove_plugin(i)

  924.                 app.processEvents()

  925. 

  926.             self.projectLoadingFinished()

  927. 

  928.         self.fCurrentlyRemovingAllPlugins = True

  929.         ok = self.host.remove_all_plugins()

  930.         self.fCurrentlyRemovingAllPlugins = False

  931. 

  932.         if ok:

  933.             self.removeAllPlugins()

  934.         else:

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

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

  937. 

  938.         self.fCurrentlyRemovingAllPlugins = False

  939. 

  940.     # --------------------------------------------------------------------------------------------------------

  941.     # Plugins (macros)

  942. 

  943.     @pyqtSlot()

  944.     def slot_pluginsEnable(self):

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

  946.             return

  947. 

  948.         for pitem in self.fPluginList:

  949.             if pitem is None:

  950.                 break

  951. 

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

  953. 

  954.     @pyqtSlot()

  955.     def slot_pluginsDisable(self):

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

  957.             return

  958. 

  959.         for pitem in self.fPluginList:

  960.             if pitem is None:

  961.                 break

  962. 

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

  964. 

  965.     @pyqtSlot()

  966.     def slot_pluginsVolume100(self):

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

  968.             return

  969. 

  970.         for pitem in self.fPluginList:

  971.             if pitem is None:

  972.                 break

  973. 

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

  975. 

  976.     @pyqtSlot()

  977.     def slot_pluginsMute(self):

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

  979.             return

  980. 

  981.         for pitem in self.fPluginList:

  982.             if pitem is None:

  983.                 break

  984. 

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

  986. 

  987.     @pyqtSlot()

  988.     def slot_pluginsWet100(self):

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

  990.             return

  991. 

  992.         for pitem in self.fPluginList:

  993.             if pitem is None:

  994.                 break

  995. 

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

  997. 

  998.     @pyqtSlot()

  999.     def slot_pluginsBypass(self):

  1000.         if not self.host.is_engine_running():

  1001.             return

  1002. 

  1003.         for pitem in self.fPluginList:

  1004.             if pitem is None:

  1005.                 break

  1006. 

  1007.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 0.0)

  1008. 

  1009.     @pyqtSlot()

  1010.     def slot_pluginsCenter(self):

  1011.         if not self.host.is_engine_running():

  1012.             return

  1013. 

  1014.         for pitem in self.fPluginList:

  1015.             if pitem is None:

  1016.                 break

  1017. 

  1018.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1019.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1020.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1021. 

  1022.     @pyqtSlot()

  1023.     def slot_pluginsCompact(self):

  1024.         for pitem in self.fPluginList:

  1025.             if pitem is None:

  1026.                 break

  1027.             pitem.compact()

  1028. 

  1029.     @pyqtSlot()

  1030.     def slot_pluginsExpand(self):

  1031.         for pitem in self.fPluginList:

  1032.             if pitem is None:

  1033.                 break

  1034.             pitem.expand()

  1035. 

  1036.     # --------------------------------------------------------------------------------------------------------

  1037.     # Plugins (host callbacks)

  1038. 

  1039.     @pyqtSlot(int, str)

  1040.     def slot_handlePluginAddedCallback(self, pluginId, pluginName):

  1041.         pitem = self.ui.listWidget.createItem(pluginId, self.fSavedSettings[CARLA_KEY_MAIN_USE_CUSTOM_SKINS])

  1042. 

  1043.         self.fPluginList.append(pitem)

  1044.         self.fPluginCount += 1

  1045. 

  1046.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1047. 

  1048.     @pyqtSlot(int)

  1049.     def slot_handlePluginRemovedCallback(self, pluginId):

  1050.         patchcanvas.handlePluginRemoved(pluginId)

  1051. 

  1052.         if pluginId in self.fSelectedPlugins:

  1053.             self.clearSideStuff()

  1054. 

  1055.         pitem = self.getPluginItem(pluginId)

  1056. 

  1057.         self.fPluginCount -= 1

  1058.         self.fPluginList.pop(pluginId)

  1059.         self.ui.listWidget.takeItem(pluginId)

  1060. 

  1061.         if pitem is not None:

  1062.             pitem.close()

  1063.             del pitem

  1064. 

  1065.         # push all plugins 1 slot back

  1066.         for i in range(pluginId, self.fPluginCount):

  1067.             pitem = self.fPluginList[i]

  1068.             pitem.setPluginId(i)

  1069. 

  1070.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1071. 

  1072.     # --------------------------------------------------------------------------------------------------------

  1073.     # Canvas

  1074. 

  1075.     def clearSideStuff(self):

  1076.         self.scene.clearSelection()

  1077. 

  1078.         self.fSelectedPlugins = []

  1079. 

  1080.         self.ui.keyboard.allNotesOff(False)

  1081.         self.ui.scrollArea.setEnabled(False)

  1082. 

  1083.         self.fPeaksCleared = True

  1084.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1085.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1086.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1087.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1088. 

  1089.     def setupCanvas(self):

  1090.         pOptions = patchcanvas.options_t()

  1091.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1092.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1093.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1094.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1095.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1096.         pOptions.eyecandy          = self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]

  1097. 

  1098.         pFeatures = patchcanvas.features_t()

  1099.         pFeatures.group_info   = False

  1100.         pFeatures.group_rename = False

  1101.         pFeatures.port_info    = False

  1102.         pFeatures.port_rename  = False

  1103.         pFeatures.handle_group_pos = True

  1104. 

  1105.         patchcanvas.setOptions(pOptions)

  1106.         patchcanvas.setFeatures(pFeatures)

  1107.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1108. 

  1109.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1110. 

  1111.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1112.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1113.             self.fCanvasHeight = int(tryCanvasSize[1])

  1114.         else:

  1115.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1116.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1117. 

  1118.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1119.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1120.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1121. 

  1122.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1123.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1124. 

  1125.     def updateCanvasInitialPos(self):

  1126.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1127.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1128.         patchcanvas.setInitialPos(x, y)

  1129. 

  1130.     def updateMiniCanvasLater(self):

  1131.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1132. 

  1133.     # --------------------------------------------------------------------------------------------------------

  1134.     # Canvas (menu actions)

  1135. 

  1136.     @pyqtSlot()

  1137.     def slot_canvasShowInternal(self):

  1138.         self.fExternalPatchbay = False

  1139.         self.ui.act_canvas_show_internal.blockSignals(True)

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

  1141.         self.ui.act_canvas_show_internal.setChecked(True)

  1142.         self.ui.act_canvas_show_external.setChecked(False)

  1143.         self.ui.act_canvas_show_internal.blockSignals(False)

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

  1145.         self.slot_canvasRefresh()

  1146. 

  1147.     @pyqtSlot()

  1148.     def slot_canvasShowExternal(self):

  1149.         self.fExternalPatchbay = True

  1150.         self.ui.act_canvas_show_internal.blockSignals(True)

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

  1152.         self.ui.act_canvas_show_internal.setChecked(False)

  1153.         self.ui.act_canvas_show_external.setChecked(True)

  1154.         self.ui.act_canvas_show_internal.blockSignals(False)

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

  1156.         self.slot_canvasRefresh()

  1157. 

  1158.     @pyqtSlot()

  1159.     def slot_canvasArrange(self):

  1160.         patchcanvas.arrange()

  1161. 

  1162.     @pyqtSlot()

  1163.     def slot_canvasRefresh(self):

  1164.         patchcanvas.clear()

  1165. 

  1166.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and (self.host.isControl or self.host.isPlugin):

  1167.             return

  1168. 

  1169.         if self.host.is_engine_running():

  1170.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1171. 

  1172.         self.updateMiniCanvasLater()

  1173. 

  1174.     @pyqtSlot()

  1175.     def slot_canvasZoomFit(self):

  1176.         self.scene.zoom_fit()

  1177. 

  1178.     @pyqtSlot()

  1179.     def slot_canvasZoomIn(self):

  1180.         self.scene.zoom_in()

  1181. 

  1182.     @pyqtSlot()

  1183.     def slot_canvasZoomOut(self):

  1184.         self.scene.zoom_out()

  1185. 

  1186.     @pyqtSlot()

  1187.     def slot_canvasZoomReset(self):

  1188.         self.scene.zoom_reset()

  1189. 

  1190.     @pyqtSlot()

  1191.     def slot_canvasSaveImage(self):

  1192.         newPath = QFileDialog.getSaveFileName(self, self.tr("Save Image"), filter=self.tr("PNG Image (*.png);;JPEG Image (*.jpg)"))

  1193. 

  1194.         if config_UseQt5:

  1195.             newPath = newPath[0]

  1196.         if not newPath:

  1197.             return

  1198. 

  1199.         self.scene.clearSelection()

  1200. 

  1201.         if newPath.lower().endswith((".jpg", ".jpeg")):

  1202.             imgFormat = "JPG"

  1203.         elif newPath.lower().endswith((".png",)):

  1204.             imgFormat = "PNG"

  1205.         else:

  1206.             # File-dialog may not auto-add the extension

  1207.             imgFormat = "PNG"

  1208.             newPath  += ".png"

  1209. 

  1210.         self.fExportImage = QImage(self.scene.sceneRect().width(), self.scene.sceneRect().height(), QImage.Format_RGB32)

  1211.         painter = QPainter(self.fExportImage)

  1212.         painter.save()

  1213.         painter.setRenderHint(QPainter.Antialiasing) # TODO - set true, cleanup this

  1214.         painter.setRenderHint(QPainter.TextAntialiasing)

  1215.         self.scene.render(painter)

  1216.         self.fExportImage.save(newPath, imgFormat, 100)

  1217.         painter.restore()

  1218. 

  1219.     # --------------------------------------------------------------------------------------------------------

  1220.     # Canvas (canvas callbacks)

  1221. 

  1222.     @pyqtSlot(int, int, QPointF)

  1223.     def slot_canvasItemMoved(self, group_id, split_mode, pos):

  1224.         self.updateMiniCanvasLater()

  1225. 

  1226.     @pyqtSlot(float)

  1227.     def slot_canvasScaleChanged(self, scale):

  1228.         self.ui.miniCanvasPreview.setViewScale(scale)

  1229. 

  1230.     @pyqtSlot(list)

  1231.     def slot_canvasPluginSelected(self, pluginList):

  1232.         self.ui.keyboard.allNotesOff(False)

  1233.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1234.         self.fSelectedPlugins = pluginList

  1235. 

  1236.     # --------------------------------------------------------------------------------------------------------

  1237.     # Canvas (host callbacks)

  1238. 

  1239.     @pyqtSlot(int, int, int, str)

  1240.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1241.         pcSplit = patchcanvas.SPLIT_UNDEF

  1242.         pcIcon  = patchcanvas.ICON_APPLICATION

  1243. 

  1244.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1245.             pcIcon = patchcanvas.ICON_PLUGIN

  1246.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1247.             pcIcon = patchcanvas.ICON_HARDWARE

  1248.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1249.             pass

  1250.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1251.             pcIcon = patchcanvas.ICON_DISTRHO

  1252.         elif clientIcon == PATCHBAY_ICON_FILE:

  1253.             pcIcon = patchcanvas.ICON_FILE

  1254. 

  1255.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1256. 

  1257.         self.updateMiniCanvasLater()

  1258. 

  1259.         if pluginId < 0:

  1260.             return

  1261.         if pluginId >= self.fPluginCount:

  1262.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1263.             return

  1264. 

  1265.         patchcanvas.setGroupAsPlugin(clientId, pluginId, bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI))

  1266. 

  1267.     @pyqtSlot(int)

  1268.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1269.         patchcanvas.removeGroup(clientId)

  1270.         self.updateMiniCanvasLater()

  1271. 

  1272.     @pyqtSlot(int, str)

  1273.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1274.         patchcanvas.renameGroup(clientId, newClientName)

  1275.         self.updateMiniCanvasLater()

  1276. 

  1277.     @pyqtSlot(int, int, int)

  1278.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1279.         pcIcon = patchcanvas.ICON_APPLICATION

  1280. 

  1281.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1282.             pcIcon = patchcanvas.ICON_PLUGIN

  1283.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1284.             pcIcon = patchcanvas.ICON_HARDWARE

  1285.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1286.             pass

  1287.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1288.             pcIcon = patchcanvas.ICON_DISTRHO

  1289.         elif clientIcon == PATCHBAY_ICON_FILE:

  1290.             pcIcon = patchcanvas.ICON_FILE

  1291. 

  1292.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1293.         self.updateMiniCanvasLater()

  1294. 

  1295.         if pluginId < 0:

  1296.             return

  1297.         if pluginId >= self.fPluginCount:

  1298.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1299.             return

  1300. 

  1301.         patchcanvas.setGroupAsPlugin(clientId, pluginId, bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI))

  1302. 

  1303.     @pyqtSlot(int, int, int, str)

  1304.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portName):

  1305.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1306.             portMode = patchcanvas.PORT_MODE_INPUT

  1307.         else:

  1308.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1309. 

  1310.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1311.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1312.             isAlternate = False

  1313.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1314.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1315.             isAlternate = True

  1316.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1317.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1318.             isAlternate = False

  1319.         else:

  1320.             portType    = patchcanvas.PORT_TYPE_NULL

  1321.             isAlternate = False

  1322. 

  1323.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1324.         self.updateMiniCanvasLater()

  1325. 

  1326.     @pyqtSlot(int, int)

  1327.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  1328.         patchcanvas.removePort(groupId, portId)

  1329.         self.updateMiniCanvasLater()

  1330. 

  1331.     @pyqtSlot(int, int, str)

  1332.     def slot_handlePatchbayPortRenamedCallback(self, groupId, portId, newPortName):

  1333.         patchcanvas.renamePort(groupId, portId, newPortName)

  1334.         self.updateMiniCanvasLater()

  1335. 

  1336.     @pyqtSlot(int, int, int, int, int)

  1337.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1338.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1339.         self.updateMiniCanvasLater()

  1340. 

  1341.     @pyqtSlot(int, int, int)

  1342.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1343.         patchcanvas.disconnectPorts(connectionId)

  1344.         self.updateMiniCanvasLater()

  1345. 

  1346.     # --------------------------------------------------------------------------------------------------------

  1347.     # Settings

  1348. 

  1349.     def saveSettings(self):

  1350.         settings = QSettings()

  1351. 

  1352.         settings.setValue("Geometry", self.saveGeometry())

  1353. 

  1354.         #settings.setValue("SplitterState", self.ui.splitter.saveState())

  1355. 

  1356.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  1357. 

  1358.         settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  1359. 

  1360.         diskFolders = []

  1361. 

  1362.         for i in range(self.ui.cb_disk.count()):

  1363.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1364. 

  1365.         settings.setValue("DiskFolders", diskFolders)

  1366. 

  1367.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1368.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1369.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1370.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1371. 

  1372.     def loadSettings(self, firstTime):

  1373.         settings = QSettings()

  1374. 

  1375.         if firstTime:

  1376.             self.restoreGeometry(settings.value("Geometry", b""))

  1377. 

  1378.             showToolbar = settings.value("ShowToolbar", True, type=bool)

  1379.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1380.             self.ui.toolBar.setEnabled(showToolbar)

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

  1382. 

  1383.             #if settings.contains("SplitterState"):

  1384.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  1385.             #else:

  1386.                 #self.ui.splitter.setSizes([210, 99999])

  1387. 

  1388.             showSidePanel = settings.value("ShowSidePanel", True, type=bool)

  1389.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  1390.             self.ui.dockWidget.setEnabled(showSidePanel)

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

  1392. 

  1393.             diskFolders = toList(settings.value("DiskFolders", [HOME]))

  1394. 

  1395.             self.ui.cb_disk.setItemData(0, HOME)

  1396. 

  1397.             for i in range(len(diskFolders)):

  1398.                 if i == 0: continue

  1399.                 folder = diskFolders[i]

  1400.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1401. 

  1402.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, type=bool):

  1403.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1404. 

  1405.             showMeters = settings.value("ShowMeters", False, type=bool)

  1406.             self.ui.act_settings_show_meters.setChecked(showMeters)

  1407.             self.ui.peak_in.setVisible(showMeters)

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

  1409. 

  1410.             showKeyboard = settings.value("ShowKeyboard", not(MACOS or WINDOWS), type=bool)

  1411.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  1412.             self.ui.scrollArea.setVisible(showKeyboard)

  1413. 

  1414.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  1415. 

  1416.         # TODO - complete this

  1417. 

  1418.         self.fSavedSettings = {

  1419.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      type=str),

  1420.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    type=int),

  1421.             CARLA_KEY_MAIN_USE_CUSTOM_SKINS:    settings.value(CARLA_KEY_MAIN_USE_CUSTOM_SKINS,    CARLA_DEFAULT_MAIN_USE_CUSTOM_SKINS,    type=bool),

  1422.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             type=str),

  1423.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              type=str),

  1424.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  type=bool),

  1425.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, type=bool),

  1426.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  type=bool),

  1427.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         type=int),

  1428.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        type=bool),

  1429.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      type=int),

  1430.             CARLA_KEY_CANVAS_HQ_ANTIALIASING :  settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   type=bool),

  1431.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   type=bool) and

  1432.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", type=str).lower() == "black")

  1433.         }

  1434. 

  1435.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY] == patchcanvas.EYECANDY_FULL else 0

  1436. 

  1437.         setEngineSettings(self.host)

  1438.         self.restartTimersIfNeeded()

  1439. 

  1440.     # --------------------------------------------------------------------------------------------------------

  1441.     # Settings (helpers)

  1442. 

  1443.     @pyqtSlot()

  1444.     def slot_restoreCanvasScrollbarValues(self):

  1445.         settings = QSettings()

  1446.         self.ui.graphicsView.horizontalScrollBar().setValue(settings.value("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().maximum()/2, type=int))

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

  1448. 

  1449.     # --------------------------------------------------------------------------------------------------------

  1450.     # Settings (menu actions)

  1451. 

  1452.     @pyqtSlot(bool)

  1453.     def slot_showSidePanel(self, yesNo):

  1454.         self.ui.dockWidget.setEnabled(yesNo)

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

  1456. 

  1457.     @pyqtSlot(bool)

  1458.     def slot_showToolbar(self, yesNo):

  1459.         self.ui.toolBar.setEnabled(yesNo)

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

  1461. 

  1462.     @pyqtSlot(bool)

  1463.     def slot_showCanvasMeters(self, yesNo):

  1464.         self.ui.peak_in.setVisible(yesNo)

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

  1466.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1467. 

  1468.     @pyqtSlot(bool)

  1469.     def slot_showCanvasKeyboard(self, yesNo):

  1470.         self.ui.scrollArea.setVisible(yesNo)

  1471.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1472. 

  1473.     @pyqtSlot()

  1474.     def slot_configureCarla(self):

  1475.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  1476.         if not dialog.exec_():

  1477.             return

  1478. 

  1479.         self.loadSettings(False)

  1480. 

  1481.         patchcanvas.clear()

  1482. 

  1483.         self.setupCanvas()

  1484.         self.slot_miniCanvasCheckAll()

  1485. 

  1486.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1487.             pass

  1488.         elif self.host.is_engine_running():

  1489.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1490. 

  1491.         for pitem in self.fPluginList:

  1492.             if pitem is None:

  1493.                 break

  1494.             pitem.setUsingSkins(self.fSavedSettings[CARLA_KEY_MAIN_USE_CUSTOM_SKINS])

  1495.             pitem.recreateWidget()

  1496. 

  1497.     # --------------------------------------------------------------------------------------------------------

  1498.     # About (menu actions)

  1499. 

  1500.     @pyqtSlot()

  1501.     def slot_aboutCarla(self):

  1502.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  1503. 

  1504.     @pyqtSlot()

  1505.     def slot_aboutJuce(self):

  1506.         JuceAboutW(self.fParentOrSelf).exec_()

  1507. 

  1508.     @pyqtSlot()

  1509.     def slot_aboutQt(self):

  1510.         QApplication.instance().aboutQt()

  1511. 

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

  1513.     # Secret (menu actions)

  1514. 

  1515.     @pyqtSlot()

  1516.     def slot_runSecret1(self):

  1517.         print("secret 1")

  1518.         fname = "/usr/bin/audacious -p"

  1519.         self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, fname, "", "", 0, None, 0)

  1520. 

  1521.     @pyqtSlot()

  1522.     def slot_runSecret2(self):

  1523.         print("secret 2")

  1524.         fname  = "/usr/bin/pulseaudio"

  1525.         fname += " --high-priority --realtime --exit-idle-time=-1 --file=/usr/share/cadence/pulse2jack/play+rec.pa -n"

  1526.         self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, fname, "", "", 0, None, 0)

  1527. 

  1528.     @pyqtSlot()

  1529.     def slot_runSecret3(self):

  1530.         print("secret 3")

  1531.         fname = "/usr/bin/lmms"

  1532.         self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, fname, "", "", 0, None, 0)

  1533. 

  1534.     @pyqtSlot()

  1535.     def slot_runSecret4(self):

  1536.         print("secret 4")

  1537.         ret = QInputDialog.getText(self, "Command", "command to run")

  1538.         if ret[1] and len(ret[0]) > 1:

  1539.             fname = ret[0]

  1540.             if not self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, fname, "", "", 0, None, 0):

  1541.                 CustomMessageBox(self, QMessageBox.Critical,

  1542.                                  self.tr("Error"), self.tr("Failed to load plugin"),

  1543.                                  self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1544. 

  1545.     @pyqtSlot()

  1546.     def slot_runSecret5(self):

  1547.         print("secret 5")

  1548. 

  1549.     # --------------------------------------------------------------------------------------------------------

  1550.     # Disk (menu actions)

  1551. 

  1552.     @pyqtSlot(int)

  1553.     def slot_diskFolderChanged(self, index):

  1554.         if index < 0:

  1555.             return

  1556.         elif index == 0:

  1557.             filename = HOME

  1558.             self.ui.b_disk_remove.setEnabled(False)

  1559.         else:

  1560.             filename = self.ui.cb_disk.itemData(index)

  1561.             self.ui.b_disk_remove.setEnabled(True)

  1562. 

  1563.         self.fDirModel.setRootPath(filename)

  1564.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  1565. 

  1566.     @pyqtSlot()

  1567.     def slot_diskFolderAdd(self):

  1568.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  1569. 

  1570.         if newPath:

  1571.             if newPath[-1] == os.sep:

  1572.                 newPath = newPath[:-1]

  1573.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  1574.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  1575.             self.ui.b_disk_remove.setEnabled(True)

  1576. 

  1577.     @pyqtSlot()

  1578.     def slot_diskFolderRemove(self):

  1579.         index = self.ui.cb_disk.currentIndex()

  1580. 

  1581.         if index <= 0:

  1582.             return

  1583. 

  1584.         self.ui.cb_disk.removeItem(index)

  1585. 

  1586.         if self.ui.cb_disk.currentIndex() == 0:

  1587.             self.ui.b_disk_remove.setEnabled(False)

  1588. 

  1589.     @pyqtSlot(QModelIndex)

  1590.     def slot_fileTreeDoubleClicked(self, modelIndex):

  1591.         filename = self.fDirModel.filePath(modelIndex)

  1592. 

  1593.         if not self.host.load_file(filename):

  1594.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  1595.                              self.tr("Failed to load file"),

  1596.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1597. 

  1598.     # --------------------------------------------------------------------------------------------------------

  1599.     # Transport

  1600. 

  1601.     def refreshTransport(self, forced = False):

  1602.         if not self.isVisible():

  1603.             return

  1604.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  1605.             return

  1606. 

  1607.         timeInfo = self.host.get_transport_info()

  1608.         playing  = timeInfo['playing']

  1609.         frame    = timeInfo['frame']

  1610.         bpm      = timeInfo['bpm']

  1611. 

  1612.         if playing != self.fLastTransportState or forced:

  1613.             if playing:

  1614.                 icon = getIcon("media-playback-pause")

  1615.                 self.ui.b_transport_play.setChecked(True)

  1616.                 self.ui.b_transport_play.setIcon(icon)

  1617.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  1618.             else:

  1619.                 icon = getIcon("media-playback-start")

  1620.                 self.ui.b_transport_play.setChecked(False)

  1621.                 self.ui.b_transport_play.setIcon(icon)

  1622.                 #self.ui.b_play.setText(self.tr("&Play"))

  1623. 

  1624.             self.fLastTransportState = playing

  1625. 

  1626.         if frame != self.fLastTransportFrame or forced:

  1627.             self.fLastTransportFrame = frame

  1628. 

  1629.             time = frame / self.fSampleRate

  1630.             secs =  time % 60

  1631.             mins = (time / 60) % 60

  1632.             hrs  = (time / 3600) % 60

  1633.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  1634. 

  1635.             frame1 =  frame % 1000

  1636.             frame2 = (frame / 1000) % 1000

  1637.             frame3 = (frame / 1000000) % 1000

  1638.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  1639. 

  1640.             bar  = timeInfo['bar']

  1641.             beat = timeInfo['beat']

  1642.             tick = timeInfo['tick']

  1643.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  1644. 

  1645.         if bpm != self.fLastTransportBPM or forced:

  1646.             self.fLastTransportBPM = bpm

  1647. 

  1648.             if bpm > 0.0:

  1649.                 self.ui.dsb_transport_bpm.setValue(bpm)

  1650.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  1651.             else:

  1652.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  1653. 

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

  1655.     # Transport (menu actions)

  1656. 

  1657.     @pyqtSlot(bool)

  1658.     def slot_transportPlayPause(self, toggled):

  1659.         if self.host.isPlugin or not self.host.is_engine_running():

  1660.             return

  1661. 

  1662.         if toggled:

  1663.             self.host.transport_play()

  1664.         else:

  1665.             self.host.transport_pause()

  1666. 

  1667.         self.refreshTransport()

  1668. 

  1669.     @pyqtSlot()

  1670.     def slot_transportStop(self):

  1671.         if self.host.isPlugin or not self.host.is_engine_running():

  1672.             return

  1673. 

  1674.         self.host.transport_pause()

  1675.         self.host.transport_relocate(0)

  1676. 

  1677.         self.refreshTransport()

  1678. 

  1679.     @pyqtSlot()

  1680.     def slot_transportBackwards(self):

  1681.         if self.host.isPlugin or not self.host.is_engine_running():

  1682.             return

  1683. 

  1684.         newFrame = self.host.get_current_transport_frame() - 100000

  1685. 

  1686.         if newFrame < 0:

  1687.             newFrame = 0

  1688. 

  1689.         self.host.transport_relocate(newFrame)

  1690. 

  1691.     @pyqtSlot()

  1692.     def slot_transportForwards(self):

  1693.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  1694.             return

  1695. 

  1696.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  1697.         self.host.transport_relocate(newFrame)

  1698. 

  1699.     @pyqtSlot(bool)

  1700.     def slot_transportJackEnabled(self, clicked):

  1701.         if not self.host.is_engine_running():

  1702.             return

  1703.         mode  = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  1704.         extra = ":link:" if self.ui.cb_transport_link.isChecked() else ""

  1705.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, extra)

  1706. 

  1707.     @pyqtSlot(bool)

  1708.     def slot_transportLinkEnabled(self, clicked):

  1709.         if not self.host.is_engine_running():

  1710.             return

  1711.         mode  = ENGINE_TRANSPORT_MODE_JACK if self.ui.cb_transport_jack.isChecked() else ENGINE_TRANSPORT_MODE_INTERNAL

  1712.         extra = ":link:" if clicked else ""

  1713.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, extra)

  1714. 

  1715.     # --------------------------------------------------------------------------------------------------------

  1716.     # Canvas scrollbars

  1717. 

  1718.     @pyqtSlot(int)

  1719.     def slot_horizontalScrollBarChanged(self, value):

  1720.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  1721.         if maximum == 0:

  1722.             xp = 0

  1723.         else:

  1724.             xp = float(value) / maximum

  1725.         self.ui.miniCanvasPreview.setViewPosX(xp)

  1726.         self.updateCanvasInitialPos()

  1727. 

  1728.     @pyqtSlot(int)

  1729.     def slot_verticalScrollBarChanged(self, value):

  1730.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  1731.         if maximum == 0:

  1732.             yp = 0

  1733.         else:

  1734.             yp = float(value) / maximum

  1735.         self.ui.miniCanvasPreview.setViewPosY(yp)

  1736.         self.updateCanvasInitialPos()

  1737. 

  1738.     # --------------------------------------------------------------------------------------------------------

  1739.     # Canvas keyboard

  1740. 

  1741.     @pyqtSlot(int)

  1742.     def slot_noteOn(self, note):

  1743.         for pluginId in self.fSelectedPlugins:

  1744.             self.host.send_midi_note(pluginId, 0, note, 100)

  1745. 

  1746.             pedit = self.getPluginEditDialog(pluginId)

  1747.             pedit.noteOn(0, note, 100)

  1748. 

  1749.     @pyqtSlot(int)

  1750.     def slot_noteOff(self, note):

  1751.         for pluginId in self.fSelectedPlugins:

  1752.             self.host.send_midi_note(pluginId, 0, note, 0)

  1753. 

  1754.             pedit = self.getPluginEditDialog(pluginId)

  1755.             pedit.noteOff(0, note)

  1756. 

  1757.     # --------------------------------------------------------------------------------------------------------

  1758.     # Canvas keyboard (host callbacks)

  1759. 

  1760.     @pyqtSlot(int, int, int, int)

  1761.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  1762.         if pluginId in self.fSelectedPlugins:

  1763.             self.ui.keyboard.sendNoteOn(note, False)

  1764. 

  1765.     @pyqtSlot(int, int, int)

  1766.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  1767.         if pluginId in self.fSelectedPlugins:

  1768.             self.ui.keyboard.sendNoteOff(note, False)

  1769. 

  1770.     # --------------------------------------------------------------------------------------------------------

  1771. 

  1772.     @pyqtSlot(int)

  1773.     def slot_handleUpdateCallback(self, pluginId):

  1774.         pitem = self.getPluginItem(pluginId)

  1775. 

  1776.         if pitem is None:

  1777.             return

  1778. 

  1779.         wasCompacted = pitem.isCompacted()

  1780.         isCompacted  = wasCompacted

  1781. 

  1782.         for i in range(self.host.get_custom_data_count(pluginId)):

  1783.             cdata = self.host.get_custom_data(pluginId, i)

  1784. 

  1785.             if cdata['type'] == CUSTOM_DATA_TYPE_PROPERTY and cdata['key'] == "CarlaSkinIsCompacted":

  1786.                 isCompacted = bool(cdata['value'] == "true")

  1787.                 break

  1788.         else:

  1789.             return

  1790. 

  1791.         if wasCompacted == isCompacted:

  1792.             return

  1793. 

  1794.         pitem.recreateWidget(True)

  1795. 

  1796.     # --------------------------------------------------------------------------------------------------------

  1797.     # MiniCanvas stuff

  1798. 

  1799.     @pyqtSlot()

  1800.     def slot_miniCanvasCheckAll(self):

  1801.         self.slot_miniCanvasCheckSize()

  1802.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  1803.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  1804. 

  1805.     @pyqtSlot()

  1806.     def slot_miniCanvasCheckSize(self):

  1807.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  1808.             return

  1809. 

  1810.         currentIndex = self.ui.tabWidget.currentIndex()

  1811. 

  1812.         if currentIndex == 1:

  1813.             width  = self.ui.graphicsView.width()

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

  1815.         else:

  1816.             self.ui.tabWidget.blockSignals(True)

  1817.             self.ui.tabWidget.setCurrentIndex(1)

  1818.             width  = self.ui.graphicsView.width()

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

  1820.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  1821.             self.ui.tabWidget.blockSignals(False)

  1822. 

  1823.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  1824. 

  1825.     @pyqtSlot(float, float)

  1826.     def slot_miniCanvasMoved(self, xp, yp):

  1827.         hsb = self.ui.graphicsView.horizontalScrollBar()

  1828.         vsb = self.ui.graphicsView.verticalScrollBar()

  1829.         hsb.setValue(xp * hsb.maximum())

  1830.         vsb.setValue(yp * vsb.maximum())

  1831.         self.updateCanvasInitialPos()

  1832. 

  1833.     # --------------------------------------------------------------------------------------------------------

  1834.     # Timers

  1835. 

  1836.     def startTimers(self):

  1837.         if self.fIdleTimerFast == 0:

  1838.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  1839. 

  1840.         if self.fIdleTimerSlow == 0:

  1841.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  1842. 

  1843.     def restartTimersIfNeeded(self):

  1844.         if self.fIdleTimerFast != 0:

  1845.             self.killTimer(self.fIdleTimerFast)

  1846.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  1847. 

  1848.         if self.fIdleTimerSlow != 0:

  1849.             self.killTimer(self.fIdleTimerSlow)

  1850.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  1851. 

  1852.     def killTimers(self):

  1853.         if self.fIdleTimerFast != 0:

  1854.             self.killTimer(self.fIdleTimerFast)

  1855.             self.fIdleTimerFast = 0

  1856. 

  1857.         if self.fIdleTimerSlow != 0:

  1858.             self.killTimer(self.fIdleTimerSlow)

  1859.             self.fIdleTimerSlow = 0

  1860. 

  1861.     # --------------------------------------------------------------------------------------------------------

  1862.     # Misc

  1863. 

  1864.     @pyqtSlot(int)

  1865.     def slot_tabChanged(self, index):

  1866.         if index != 1:

  1867.             return

  1868. 

  1869.         self.ui.graphicsView.setFocus()

  1870. 

  1871.     @pyqtSlot(int)

  1872.     def slot_handleReloadAllCallback(self, pluginId):

  1873.         if pluginId >= self.fPluginCount:

  1874.             return

  1875. 

  1876.         pitem = self.fPluginList[pluginId]

  1877.         if pitem is None:

  1878.             return

  1879. 

  1880.         pitem.recreateWidget()

  1881. 

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

  1883. 

  1884.     @pyqtSlot(int, int, str)

  1885.     def slot_handleNSMCallback(self, value1, value2, valueStr):

  1886.         # Error

  1887.         if value1 == 0:

  1888.             pass

  1889. 

  1890.         # Reply

  1891.         elif value1 == 1:

  1892.             self.fFirstEngineInit    = False

  1893.             self.fSessionManagerName = valueStr

  1894.             self.setProperWindowTitle()

  1895. 

  1896.         # Open

  1897.         elif value1 == 2:

  1898.             self.fClientName      = os.path.basename(valueStr)

  1899.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  1900.             self.setProperWindowTitle()

  1901. 

  1902.             self.fCustomStopAction = 2

  1903.             self.slot_engineStop(True)

  1904.             return

  1905. 

  1906.         # Save

  1907.         elif value1 == 3:

  1908.             self.saveProjectNow()

  1909. 

  1910.         # Session is Loaded

  1911.         elif value1 == 4:

  1912.             pass

  1913. 

  1914.         # Show Optional Gui

  1915.         elif value1 == 5:

  1916.             self.show()

  1917. 

  1918.         # Hide Optional Gui

  1919.         elif value1 == 6:

  1920.             self.hide()

  1921. 

  1922.         self.host.nsm_ready(value1)

  1923. 

  1924.     # --------------------------------------------------------------------------------------------------------

  1925. 

  1926.     def fixLogText(self, text):

  1927.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  1928. 

  1929.     @pyqtSlot(int, int, int, float, str)

  1930.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valueStr):

  1931.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  1932. 

  1933.     @pyqtSlot(str)

  1934.     def slot_handleInfoCallback(self, info):

  1935.         QMessageBox.information(self, "Information", info)

  1936. 

  1937.     @pyqtSlot(str)

  1938.     def slot_handleErrorCallback(self, error):

  1939.         QMessageBox.critical(self, "Error", error)

  1940. 

  1941.     @pyqtSlot()

  1942.     def slot_handleQuitCallback(self):

  1943.         pass # TODO

  1944. 

  1945.     # --------------------------------------------------------------------------------------------------------

  1946. 

  1947.     @pyqtSlot()

  1948.     def slot_handleSIGUSR1(self):

  1949.         print("Got SIGUSR1 -> Saving project now")

  1950.         self.slot_fileSave()

  1951. 

  1952.     @pyqtSlot()

  1953.     def slot_handleSIGTERM(self):

  1954.         print("Got SIGTERM -> Closing now")

  1955.         self.fCustomStopAction = 1

  1956.         self.slot_engineStop(True)

  1957. 

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

  1959.     # Internal stuff

  1960. 

  1961.     def getExtraPtr(self, plugin):

  1962.         ptype = plugin['type']

  1963. 

  1964.         if ptype == PLUGIN_LADSPA:

  1965.             uniqueId = plugin['uniqueId']

  1966. 

  1967.             self.maybeLoadRDFs()

  1968. 

  1969.             for rdfItem in self.fLadspaRdfList:

  1970.                 if rdfItem.UniqueID == uniqueId:

  1971.                     return pointer(rdfItem)

  1972. 

  1973.         elif ptype in (PLUGIN_GIG, PLUGIN_SF2):

  1974.             if plugin['name'].lower().endswith(" (16 outputs)"):

  1975.                 return self._true

  1976. 

  1977.         return None

  1978. 

  1979.     def maybeLoadRDFs(self):

  1980.         if not self.fLadspaRdfNeedsUpdate:

  1981.             return

  1982. 

  1983.         self.fLadspaRdfNeedsUpdate = False

  1984.         self.fLadspaRdfList = []

  1985. 

  1986.         if not haveLRDF:

  1987.             return

  1988. 

  1989.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  1990.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  1991. 

  1992.         if os.path.exists(frLadspaFile):

  1993.             frLadspa = open(frLadspaFile, 'r')

  1994. 

  1995.             try:

  1996.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  1997.             except:

  1998.                 pass

  1999. 

  2000.             frLadspa.close()

  2001. 

  2002.     # --------------------------------------------------------------------------------------------------------

  2003. 

  2004.     def getPluginItem(self, pluginId):

  2005.         if pluginId >= self.fPluginCount:

  2006.             return None

  2007. 

  2008.         pitem = self.fPluginList[pluginId]

  2009.         if pitem is None:

  2010.             return None

  2011.         #if False:

  2012.             #return CarlaRackItem(self, 0, False)

  2013. 

  2014.         return pitem

  2015. 

  2016.     def getPluginEditDialog(self, pluginId):

  2017.         if pluginId >= self.fPluginCount:

  2018.             return None

  2019. 

  2020.         pitem = self.fPluginList[pluginId]

  2021.         if pitem is None:

  2022.             return None

  2023.         if False:

  2024.             return PluginEdit(self, self.host, 0)

  2025. 

  2026.         return pitem.getEditDialog()

  2027. 

  2028.     def getPluginSlotWidget(self, pluginId):

  2029.         if pluginId >= self.fPluginCount:

  2030.             return None

  2031. 

  2032.         pitem = self.fPluginList[pluginId]

  2033.         if pitem is None:

  2034.             return None

  2035.         #if False:

  2036.             #return AbstractPluginSlot()

  2037. 

  2038.         return pitem.getWidget()

  2039. 

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

  2041. 

  2042.     def waitForPendingEvents(self):

  2043.         pass

  2044. 

  2045.     # --------------------------------------------------------------------------------------------------------

  2046.     # show/hide event

  2047. 

  2048.     def showEvent(self, event):

  2049.         self.refreshTransport(True)

  2050.         QMainWindow.showEvent(self, event)

  2051. 

  2052.         # set our gui as parent for all plugins UIs

  2053.         if self.host.manageUIs and not (self.host.isControl or self.host.isPlugin):

  2054.             winIdStr = "%x" % int(self.winId())

  2055.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2056. 

  2057.     def hideEvent(self, event):

  2058.         # disable parent

  2059.         if not (self.host.isControl or self.host.isPlugin):

  2060.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2061. 

  2062.         QMainWindow.hideEvent(self, event)

  2063. 

  2064.     # --------------------------------------------------------------------------------------------------------

  2065.     # resize event

  2066. 

  2067.     def fixCanvasPreviewSize(self):

  2068.         self.ui.patchbay.resize(self.ui.rack.size())

  2069.         self.slot_miniCanvasCheckSize()

  2070. 

  2071.     def resizeEvent(self, event):

  2072.         QMainWindow.resizeEvent(self, event)

  2073. 

  2074.         if self.ui.tabWidget.currentIndex() != 1:

  2075.             size = self.ui.rack.size()

  2076.             self.ui.patchbay.resize(size)

  2077. 

  2078.         self.slot_miniCanvasCheckSize()

  2079. 

  2080.     # --------------------------------------------------------------------------------------------------------

  2081.     # timer event

  2082. 

  2083.     def idleFast(self):

  2084.         self.host.engine_idle()

  2085.         self.refreshTransport()

  2086. 

  2087.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2088.             return

  2089. 

  2090.         for pitem in self.fPluginList:

  2091.             if pitem is None:

  2092.                 break

  2093. 

  2094.             pitem.getWidget().idleFast()

  2095. 

  2096.         for pluginId in self.fSelectedPlugins:

  2097.             self.fPeaksCleared = False

  2098.             if self.ui.peak_in.isVisible():

  2099.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2100.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2101.             if self.ui.peak_out.isVisible():

  2102.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2103.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2104.             return

  2105. 

  2106.         if self.fPeaksCleared:

  2107.             return

  2108. 

  2109.         self.fPeaksCleared = True

  2110.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2111.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2112.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2113.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2114. 

  2115.     def idleSlow(self):

  2116.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2117.             return

  2118. 

  2119.         for pitem in self.fPluginList:

  2120.             if pitem is None:

  2121.                 break

  2122. 

  2123.             pitem.getWidget().idleSlow()

  2124. 

  2125.     def timerEvent(self, event):

  2126.         if event.timerId() == self.fIdleTimerFast:

  2127.             self.idleFast()

  2128. 

  2129.         elif event.timerId() == self.fIdleTimerSlow:

  2130.             self.idleSlow()

  2131. 

  2132.         QMainWindow.timerEvent(self, event)

  2133. 

  2134.     # --------------------------------------------------------------------------------------------------------

  2135.     # paint event

  2136. 

  2137.     #def paintEvent(self, event):

  2138.         #QMainWindow.paintEvent(self, event)

  2139. 

  2140.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2141.             #return

  2142. 

  2143.         #painter = QPainter(self)

  2144.         #painter.setBrush(QColor(36, 36, 36))

  2145.         #painter.setPen(QColor(62, 62, 62))

  2146.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2147. 

  2148.     # --------------------------------------------------------------------------------------------------------

  2149.     # close event

  2150. 

  2151.     def closeEvent(self, event):

  2152.         self.killTimers()

  2153.         self.saveSettings()

  2154. 

  2155.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  2156.             if not self.slot_engineStop(True):

  2157.                 self.fCustomStopAction = 1

  2158.                 event.ignore()

  2159.                 return

  2160. 

  2161.         QMainWindow.closeEvent(self, event)

  2162. 

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

  2164. # Canvas callback

  2165. 

  2166. def canvasCallback(action, value1, value2, valueStr):

  2167.     host = gCarla.gui.host

  2168. 

  2169.     if action == patchcanvas.ACTION_GROUP_INFO:

  2170.         pass

  2171. 

  2172.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  2173.         pass

  2174. 

  2175.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  2176.         groupId = value1

  2177.         patchcanvas.splitGroup(groupId)

  2178.         gCarla.gui.updateMiniCanvasLater()

  2179. 

  2180.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  2181.         groupId = value1

  2182.         patchcanvas.joinGroup(groupId)

  2183.         gCarla.gui.updateMiniCanvasLater()

  2184. 

  2185.     elif action == patchcanvas.ACTION_PORT_INFO:

  2186.         pass

  2187. 

  2188.     elif action == patchcanvas.ACTION_PORT_RENAME:

  2189.         pass

  2190. 

  2191.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  2192.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")]

  2193. 

  2194.         if not host.patchbay_connect(gOut, pOut, gIn, pIn):

  2195.             print("Connection failed:", host.get_last_error())

  2196. 

  2197.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  2198.         connectionId = value1

  2199. 

  2200.         if not host.patchbay_disconnect(connectionId):

  2201.             print("Disconnect failed:", host.get_last_error())

  2202. 

  2203.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  2204.         pluginId = value1

  2205. 

  2206.         if not host.clone_plugin(pluginId):

  2207.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2208.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2209. 

  2210.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  2211.         pluginId = value1

  2212.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2213. 

  2214.         if pwidget is not None:

  2215.             pwidget.showEditDialog()

  2216. 

  2217.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  2218.         pluginId = value1

  2219.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2220. 

  2221.         if pwidget is not None:

  2222.             pwidget.showRenameDialog()

  2223. 

  2224.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  2225.         pluginId = value1

  2226.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2227. 

  2228.         if pwidget is not None:

  2229.             pwidget.showReplaceDialog()

  2230. 

  2231.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  2232.         pluginId = value1

  2233. 

  2234.         if not host.remove_plugin(pluginId):

  2235.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2236.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2237. 

  2238.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  2239.         pluginId = value1

  2240.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2241. 

  2242.         if pwidget is not None:

  2243.             pwidget.showCustomUI()

  2244. 

  2245.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  2246.         gCarla.gui.showPluginActionsMenu()

  2247. 

  2248. # ------------------------------------------------------------------------------------------------------------

  2249. # Engine callback

  2250. 

  2251. def engineCallback(host, action, pluginId, value1, value2, value3, valueStr):

  2252.     # kdevelop likes this :)

  2253.     if False: host = CarlaHostNull()

  2254. 

  2255.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  2256.         host.processMode   = value1

  2257.         host.transportMode = value2

  2258.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2259.         host.processMode   = value1

  2260.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2261.         host.transportMode = value1

  2262. 

  2263.     valueStr = charPtrToString(valueStr)

  2264. 

  2265.     if action == ENGINE_CALLBACK_DEBUG:

  2266.         host.DebugCallback.emit(pluginId, value1, value2, value3, valueStr)

  2267.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  2268.         host.PluginAddedCallback.emit(pluginId, valueStr)

  2269.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  2270.         host.PluginRemovedCallback.emit(pluginId)

  2271.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  2272.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  2273.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  2274.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  2275.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  2276.         host.ParameterValueChangedCallback.emit(pluginId, value1, value3)

  2277.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  2278.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, value3)

  2279.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CC_CHANGED:

  2280.         host.ParameterMidiCcChangedCallback.emit(pluginId, value1, value2)

  2281.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  2282.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  2283.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  2284.         host.ProgramChangedCallback.emit(pluginId, value1)

  2285.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  2286.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  2287.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  2288.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  2289.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  2290.         host.UiStateChangedCallback.emit(pluginId, value1)

  2291.     elif action == ENGINE_CALLBACK_NOTE_ON:

  2292.         host.NoteOnCallback.emit(pluginId, value1, value2, round(value3))

  2293.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  2294.         host.NoteOffCallback.emit(pluginId, value1, value2)

  2295.     elif action == ENGINE_CALLBACK_UPDATE:

  2296.         host.UpdateCallback.emit(pluginId)

  2297.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  2298.         host.ReloadInfoCallback.emit(pluginId)

  2299.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  2300.         host.ReloadParametersCallback.emit(pluginId)

  2301.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  2302.         host.ReloadProgramsCallback.emit(pluginId)

  2303.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  2304.         host.ReloadAllCallback.emit(pluginId)

  2305.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  2306.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  2307.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  2308.         host.PatchbayClientRemovedCallback.emit(pluginId)

  2309.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  2310.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  2311.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  2312.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  2313.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  2314.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, valueStr)

  2315.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  2316.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  2317.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_RENAMED:

  2318.         host.PatchbayPortRenamedCallback.emit(pluginId, value1, valueStr)

  2319.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  2320.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  2321.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  2322.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  2323.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  2324.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  2325.         host.EngineStartedCallback.emit(value1, value2, valueStr)

  2326.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  2327.         host.EngineStoppedCallback.emit()

  2328.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2329.         host.ProcessModeChangedCallback.emit(value1)

  2330.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2331.         host.TransportModeChangedCallback.emit(value1)

  2332.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  2333.         host.BufferSizeChangedCallback.emit(value1)

  2334.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  2335.         host.SampleRateChangedCallback.emit(value3)

  2336.     elif action == ENGINE_CALLBACK_NSM:

  2337.         host.NSMCallback.emit(value1, value2, valueStr)

  2338.     elif action == ENGINE_CALLBACK_IDLE:

  2339.         QApplication.instance().processEvents()

  2340.     elif action == ENGINE_CALLBACK_INFO:

  2341.         host.InfoCallback.emit(valueStr)

  2342.     elif action == ENGINE_CALLBACK_ERROR:

  2343.         host.ErrorCallback.emit(valueStr)

  2344.     elif action == ENGINE_CALLBACK_QUIT:

  2345.         host.QuitCallback.emit()

  2346. 

  2347. # ------------------------------------------------------------------------------------------------------------

  2348. # File callback

  2349. 

  2350. def fileCallback(ptr, action, isDir, title, filter):

  2351.     ret = ("", "") if config_UseQt5 else ""

  2352. 

  2353.     if action == FILE_CALLBACK_DEBUG:

  2354.         pass

  2355.     elif action == FILE_CALLBACK_OPEN:

  2356.         ret = QFileDialog.getOpenFileName(gCarla.gui, charPtrToString(title), "", charPtrToString(filter) ) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  2357.     elif action == FILE_CALLBACK_SAVE:

  2358.         ret = QFileDialog.getSaveFileName(gCarla.gui, charPtrToString(title), "", charPtrToString(filter), QFileDialog.ShowDirsOnly if isDir else 0x0)

  2359. 

  2360.     if config_UseQt5:

  2361.         ret = ret[0]

  2362.     if not ret:

  2363.         return None

  2364. 

  2365.     # FIXME

  2366.     global fileRet

  2367.     fileRet = c_char_p(ret.encode("utf-8"))

  2368.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  2369.     return retval.contents.value

  2370. 

  2371. # ------------------------------------------------------------------------------------------------------------

  2372. # Init host

  2373. 

  2374. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  2375.     pathBinaries, pathResources = getPaths(libPrefix)

  2376. 

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

  2378.     # Check if we should open main lib as local or global

  2379. 

  2380.     settings = QSettings("falkTX", "Carla2")

  2381. 

  2382.     try:

  2383.         loadLocal = settings.value(CARLA_KEY_MAIN_LOAD_LIB_LOCAL, CARLA_DEFAULT_MAIN_LOAD_LIB_LOCAL, type=bool)

  2384.     except:

  2385.         loadLocal = CARLA_DEFAULT_MAIN_LOAD_LIB_LOCAL

  2386. 

  2387.     # --------------------------------------------------------------------------------------------------------

  2388.     # Fail if binary dir is not found

  2389. 

  2390.     if not os.path.exists(pathBinaries):

  2391.         if failError:

  2392.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  2393.             sys.exit(1)

  2394.         return

  2395. 

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

  2397.     # Set Carla library name

  2398. 

  2399.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  2400.     libname   = os.path.join(pathBinaries, libname)

  2401.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  2402. 

  2403.     # --------------------------------------------------------------------------------------------------------

  2404.     # Print info

  2405. 

  2406.     print("Carla %s started, status:" % VERSION)

  2407.     print("  Python version: %s" % sys.version.split(" ",1)[0])

  2408.     print("  Qt version:     %s" % qVersion())

  2409.     print("  PyQt version:   %s" % PYQT_VERSION_STR)

  2410.     print("  Binary dir:     %s" % pathBinaries)

  2411.     print("  Resources dir:  %s" % pathResources)

  2412. 

  2413.     # --------------------------------------------------------------------------------------------------------

  2414.     # Init host

  2415. 

  2416. 

  2417. 

  2418.     if failError:

  2419.         # no try

  2420.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadLocal)

  2421.     else:

  2422.         try:

  2423.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadLocal)

  2424.         except:

  2425.             host = CarlaHostQtNull()

  2426. 

  2427.     host.isControl = isControl

  2428.     host.isPlugin  = isPlugin

  2429. 

  2430.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vs: engineCallback(host,a,p,v1,v2,v3,vs))

  2431.     host.set_file_callback(fileCallback)

  2432. 

  2433.     # If it's a plugin the paths are already set

  2434.     if not isPlugin:

  2435.         host.pathBinaries  = pathBinaries

  2436.         host.pathResources = pathResources

  2437.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  2438.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  2439. 

  2440.         if not isControl:

  2441.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  2442. 

  2443.     # --------------------------------------------------------------------------------------------------------

  2444.     # Init utils

  2445. 

  2446.     gCarla.utils = CarlaUtils(utilsname)

  2447.     gCarla.utils.set_process_name(os.path.basename(initName))

  2448. 

  2449.     try:

  2450.         sys.stdout.flush()

  2451.     except:

  2452.         pass

  2453. 

  2454.     sys.stdout = CarlaPrint(False)

  2455.     sys.stderr = CarlaPrint(True)

  2456. 

  2457.     # --------------------------------------------------------------------------------------------------------

  2458.     # Done

  2459. 

  2460.     return host

  2461. 

  2462. # ------------------------------------------------------------------------------------------------------------

  2463. # Load host settings

  2464. 

  2465. def loadHostSettings(host):

  2466.     # kdevelop likes this :)

  2467.     if False: host = CarlaHostNull()

  2468. 

  2469.     settings = QSettings("falkTX", "Carla2")

  2470. 

  2471.     # bool values

  2472.     try:

  2473.         host.manageUIs = settings.value(CARLA_KEY_MAIN_MANAGE_UIS, CARLA_DEFAULT_MAIN_MANAGE_UIS, type=bool)

  2474.     except:

  2475.         host.manageUIs = CARLA_DEFAULT_MAIN_MANAGE_UIS

  2476. 

  2477.     try:

  2478.         host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, type=bool)

  2479.     except:

  2480.         host.showLogs = CARLA_DEFAULT_MAIN_SHOW_LOGS

  2481. 

  2482.     try:

  2483.         host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, type=bool)

  2484.     except:

  2485.         host.uisAlwaysOnTop = CARLA_DEFAULT_UIS_ALWAYS_ON_TOP

  2486. 

  2487.     try:

  2488.         host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, type=bool)

  2489.     except:

  2490.         host.forceStereo = CARLA_DEFAULT_FORCE_STEREO

  2491. 

  2492.     try:

  2493.         host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, type=bool)

  2494.     except:

  2495.         host.preferPluginBridges = CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES

  2496. 

  2497.     try:

  2498.         host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, type=bool)

  2499.     except:

  2500.         host.preferUIBridges = CARLA_DEFAULT_PREFER_UI_BRIDGES

  2501. 

  2502.     # int values

  2503.     try:

  2504.         host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, type=int)

  2505.     except:

  2506.         host.maxParameters = CARLA_DEFAULT_MAX_PARAMETERS

  2507. 

  2508.     try:

  2509.         host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, type=int)

  2510.     except:

  2511.         host.uiBridgesTimeout = CARLA_DEFAULT_UI_BRIDGES_TIMEOUT

  2512. 

  2513.     if host.isPlugin:

  2514.         return

  2515. 

  2516.     # enums

  2517.     if host.audioDriverForced is None:

  2518.         try:

  2519.             host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, type=int)

  2520.         except:

  2521.             host.transportMode = CARLA_DEFAULT_TRANSPORT_MODE

  2522. 

  2523.     if not host.processModeForced:

  2524.         try:

  2525.             host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, type=int)

  2526.         except:

  2527.             host.processMode = CARLA_DEFAULT_PROCESS_MODE

  2528. 

  2529.     host.nextProcessMode = host.processMode

  2530. 

  2531.     # --------------------------------------------------------------------------------------------------------

  2532.     # fix things if needed

  2533. 

  2534.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS and LADISH_APP_NAME:

  2535.         print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  2536.         host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  2537. 

  2538.     # --------------------------------------------------------------------------------------------------------

  2539.     # run headless host now if nogui option enabled

  2540. 

  2541.     if gCarla.nogui:

  2542.         runHostWithoutUI(host)

  2543. 

  2544. # ------------------------------------------------------------------------------------------------------------

  2545. # Set host settings

  2546. 

  2547. def setHostSettings(host):

  2548.     # kdevelop likes this :)

  2549.     if False: host = CarlaHostNull()

  2550. 

  2551.     # TEST

  2552.     #host.preventBadBehaviour = True

  2553.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  2554.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  2555.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  2556.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  2557.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  2558.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  2559.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  2560.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  2561. 

  2562.     if host.isPlugin:

  2563.         return

  2564. 

  2565.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  2566.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       "")

  2567. 

  2568. # ------------------------------------------------------------------------------------------------------------

  2569. # Set Engine settings according to carla preferences. Returns selected audio driver.

  2570. 

  2571. def setEngineSettings(host):

  2572.     # kdevelop likes this :)

  2573.     if False: host = CarlaHostNull()

  2574. 

  2575.     # --------------------------------------------------------------------------------------------------------

  2576.     # do nothing if control

  2577. 

  2578.     if host.isControl:

  2579.         return "Control"

  2580. 

  2581.     # --------------------------------------------------------------------------------------------------------

  2582. 

  2583.     settings = QSettings("falkTX", "Carla2")

  2584. 

  2585.     # --------------------------------------------------------------------------------------------------------

  2586.     # main settings

  2587. 

  2588.     setHostSettings(host)

  2589. 

  2590.     # --------------------------------------------------------------------------------------------------------

  2591.     # plugin paths

  2592. 

  2593.     LADSPA_PATH = toList(settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH))

  2594.     DSSI_PATH   = toList(settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH))

  2595.     LV2_PATH    = toList(settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH))

  2596.     VST2_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST2,   CARLA_DEFAULT_VST2_PATH))

  2597.     VST3_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST3,   CARLA_DEFAULT_VST3_PATH))

  2598.     GIG_PATH    = toList(settings.value(CARLA_KEY_PATHS_GIG,    CARLA_DEFAULT_GIG_PATH))

  2599.     SF2_PATH    = toList(settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH))

  2600.     SFZ_PATH    = toList(settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH))

  2601. 

  2602.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  2603.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  2604.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  2605.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2,   splitter.join(VST2_PATH))

  2606.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST3,   splitter.join(VST3_PATH))

  2607.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_GIG,    splitter.join(GIG_PATH))

  2608.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  2609.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  2610. 

  2611.     # --------------------------------------------------------------------------------------------------------

  2612.     # don't continue if plugin

  2613. 

  2614.     if host.isPlugin:

  2615.         return "Plugin"

  2616. 

  2617.     # --------------------------------------------------------------------------------------------------------

  2618.     # driver and device settings

  2619. 

  2620.     # driver name

  2621.     if host.audioDriverForced is not None:

  2622.         audioDriver = host.audioDriverForced

  2623.     else:

  2624.         try:

  2625.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, type=str)

  2626.         except:

  2627.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  2628. 

  2629.     # driver options

  2630.     try:

  2631.         audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", type=str)

  2632.     except:

  2633.         audioDevice = ""

  2634. 

  2635.     try:

  2636.         audioNumPeriods = settings.value("%s%s/NumPeriods" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_NUM_PERIODS, type=int)

  2637.     except:

  2638.         audioNumPeriods = CARLA_DEFAULT_AUDIO_NUM_PERIODS

  2639. 

  2640.     try:

  2641.         audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, type=int)

  2642.     except:

  2643.         audioBufferSize = CARLA_DEFAULT_AUDIO_BUFFER_SIZE

  2644. 

  2645.     try:

  2646.         audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, type=int)

  2647.     except:

  2648.         audioSampleRate = CARLA_DEFAULT_AUDIO_SAMPLE_RATE

  2649. 

  2650.     host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE,      0,               audioDevice)

  2651.     host.set_engine_option(ENGINE_OPTION_AUDIO_NUM_PERIODS, audioNumPeriods, "")

  2652.     host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  2653.     host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  2654. 

  2655.     # --------------------------------------------------------------------------------------------------------

  2656.     # fix things if needed

  2657. 

  2658.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  2659.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  2660.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, "")

  2661. 

  2662.     # --------------------------------------------------------------------------------------------------------

  2663.     # return selected driver name

  2664. 

  2665.     return audioDriver

  2666. 

  2667. # ------------------------------------------------------------------------------------------------------------

  2668. # Run Carla without showing UI

  2669. 

  2670. def runHostWithoutUI(host):

  2671.     # kdevelop likes this :)

  2672.     if False: host = CarlaHostNull()

  2673. 

  2674.     # --------------------------------------------------------------------------------------------------------

  2675.     # Some initial checks

  2676. 

  2677.     if not gCarla.nogui:

  2678.         return

  2679. 

  2680.     projectFile = getInitialProjectFile(QCoreApplication.instance(), True)

  2681. 

  2682.     if not projectFile:

  2683.         print("Carla no-gui mode can only be used together with a project file.")

  2684.         sys.exit(1)

  2685. 

  2686.     # --------------------------------------------------------------------------------------------------------

  2687.     # Additional imports

  2688. 

  2689.     from time import sleep

  2690. 

  2691.     # --------------------------------------------------------------------------------------------------------

  2692.     # Init engine

  2693. 

  2694.     audioDriver = setEngineSettings(host)

  2695.     if not host.engine_init(audioDriver, "Carla-nogui"):

  2696.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  2697.         sys.exit(1)

  2698. 

  2699.     if not host.load_project(projectFile):

  2700.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  2701.         host.engine_close()

  2702.         sys.exit(1)

  2703. 

  2704.     # --------------------------------------------------------------------------------------------------------

  2705.     # Idle

  2706. 

  2707.     while host.is_engine_running() and not gCarla.term:

  2708.         host.engine_idle()

  2709.         sleep(0.5)

  2710. 

  2711.     # --------------------------------------------------------------------------------------------------------

  2712.     # Stop

  2713. 

  2714.     host.engine_close()

  2715.     sys.exit(0)

  2716. 

  2717. # ------------------------------------------------------------------------------------------------------------