falkTX
/
Carla
mirror of https://github.com/falkTX/Carla
1
0
Fork 0
Code Releases 42 Activity
Audio plugin host https://kx.studio/carla
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
4119 Commits
16 Branches
16GB
Tree: 3fe061b83f
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '3fe061b83f'
${ noResults }
Carla/source/carla_host.py

2891 lines
111KB
Raw Blame History 

  1. #!/usr/bin/env python3

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

  3. 

  4. # Carla host code

  5. # Copyright (C) 2011-2018 Filipe Coelho <falktx@falktx.com>

  6. #

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

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

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

  10. # the License, or any later version.

  11. #

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

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

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

  15. # GNU General Public License for more details.

  16. #

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

  18. 

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

  20. # Imports (Config)

  21. 

  22. from carla_config import *

  23. 

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

  25. # Imports (Global)

  26. 

  27. import json

  28. 

  29. if config_UseQt5:

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

  31.     from PyQt5.QtGui import QImage, QPalette

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

  33. else:

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

  35.     from PyQt4.QtGui import QImage, QPalette

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

  37. 

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

  39. # Imports (Custom)

  40. 

  41. import patchcanvas

  42. import ui_carla_host

  43. 

  44. from carla_app import *

  45. from carla_database import *

  46. from carla_settings import *

  47. from carla_utils import *

  48. from carla_widgets import *

  49. 

  50. from digitalpeakmeter import DigitalPeakMeter

  51. from pixmapkeyboard import PixmapKeyboardHArea

  52. 

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

  54. # Try Import OpenGL

  55. 

  56. try:

  57.     if config_UseQt5:

  58.         from PyQt5.QtOpenGL import QGLWidget

  59.     else:

  60.         from PyQt4.QtOpenGL import QGLWidget

  61.     hasGL = True

  62. except:

  63.     hasGL = False

  64. 

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

  66. # Safe exception hook, needed for PyQt5

  67. 

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

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

  70. 

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

  72. # Session Management support

  73. 

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

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

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

  77. 

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

  79. # Carla Print class

  80. 

  81. class CarlaPrint:

  82.     def __init__(self, err):

  83.         self.err = err

  84. 

  85.     def flush(self):

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

  87. 

  88.     def write(self, string):

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

  90. 

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

  92. # Host Window

  93. 

  94. class HostWindow(QMainWindow):

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

  96.     # signals

  97.     SIGTERM = pyqtSignal()

  98.     SIGUSR1 = pyqtSignal()

  99. 

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

  101. 

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

  103.         QMainWindow.__init__(self, parent)

  104.         self.host = host

  105.         self.ui = ui_carla_host.Ui_CarlaHostW()

  106.         self.ui.setupUi(self)

  107.         gCarla.gui = self

  108. 

  109.         if False:

  110.             # kdevelop likes this :)

  111.             host = CarlaHostNull()

  112.             self.host = host

  113. 

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

  115. 

  116.         self.fParentOrSelf = parent or self

  117. 

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

  119.         # Internal stuff

  120. 

  121.         self.fIdleTimerFast = 0

  122.         self.fIdleTimerSlow = 0

  123. 

  124.         self.fLadspaRdfNeedsUpdate = True

  125.         self.fLadspaRdfList = []

  126. 

  127.         self.fPluginCount = 0

  128.         self.fPluginList  = []

  129. 

  130.         self.fProjectFilename  = ""

  131.         self.fIsProjectLoading = False

  132.         self.fCurrentlyRemovingAllPlugins = False

  133. 

  134.         self.fLastTransportBPM   = 0.0

  135.         self.fLastTransportFrame = 0

  136.         self.fLastTransportState = False

  137.         self.fSampleRate         = 0.0

  138. 

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

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

  141.         self.fCustomStopAction = 0

  142. 

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

  144.         self.fFirstEngineInit = True

  145. 

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

  147.         self.fSavedSettings = {}

  148. 

  149.         if host.isControl:

  150.             self.fClientName         = "Carla-Control"

  151.             self.fSessionManagerName = "Control"

  152.         elif host.isPlugin:

  153.             self.fClientName         = "Carla-Plugin"

  154.             self.fSessionManagerName = "Plugin"

  155.         elif LADISH_APP_NAME:

  156.             self.fClientName         = LADISH_APP_NAME

  157.             self.fSessionManagerName = "LADISH"

  158.         elif NSM_URL and host.nsmOK:

  159.             self.fClientName         = "Carla.tmp"

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

  161.         else:

  162.             self.fClientName         = CARLA_CLIENT_NAME or "Carla"

  163.             self.fSessionManagerName = ""

  164. 

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

  166.         # Internal stuff (patchbay)

  167. 

  168.         self.fExportImage = QImage()

  169. 

  170.         self.fPeaksCleared = True

  171. 

  172.         self.fExternalPatchbay = False

  173.         self.fSelectedPlugins  = []

  174. 

  175.         self.fCanvasWidth  = 0

  176.         self.fCanvasHeight = 0

  177.         self.fMiniCanvasUpdateTimeout = 0

  178. 

  179.         self.fWithCanvas = withCanvas

  180. 

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

  182.         # Set up GUI (engine stopped)

  183. 

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

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

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

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

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

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

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

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

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

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

  194. 

  195.             if self.host.isControl:

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

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

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

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

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

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

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

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

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

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

  206.             else:

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

  208. 

  209.         else:

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

  211. 

  212.             if WINDOWS:

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

  214. 

  215.         if not self.host.isControl:

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

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

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

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

  220. 

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

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

  223. 

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

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

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

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

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

  229. 

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

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

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

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

  234. 

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

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

  237. 

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

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

  240. 

  241.         if not withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  259.             self.ui.miniCanvasPreview.hide()

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

  261.             if WINDOWS:

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

  263. 

  264.             if host.isControl:

  265.                 self.ui.dockWidget.hide()

  266. 

  267.         # ----------------------------------------------------------------------------------------------------

  268.         # Set up GUI (disk)

  269. 

  270.         exts = gCarla.utils.get_supported_file_extensions()

  271. 

  272.         self.fDirModel = QFileSystemModel(self)

  273.         self.fDirModel.setRootPath(HOME)

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

  275. 

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

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

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

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

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

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

  282. 

  283.         # ----------------------------------------------------------------------------------------------------

  284.         # Set up GUI (transport)

  285. 

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

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

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

  289. 

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

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

  292. 

  293.         if minLabelWidth < labelTimeWidth:

  294.             minLabelWidth = labelTimeWidth

  295.         if minLabelWidth < labelBBTWidth:

  296.             minLabelWidth = labelBBTWidth

  297. 

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

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

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

  301. 

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

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

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

  305. 

  306.         if host.isControl or host.isPlugin:

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

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

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

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

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

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

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

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

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

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

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

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

  319. 

  320.         if MACOS: # FIXME

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

  322. 

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

  324. 

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

  326.         # Set up GUI (rack)

  327. 

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

  329. 

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

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

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

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

  334. 

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

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

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

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

  339. 

  340.         self.ui.rack.setStyleSheet("""

  341.           QLabel#pad_left {

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

  343.             background-repeat: repeat-y;

  344.           }

  345.           QLabel#pad_right {

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

  347.             background-repeat: repeat-y;

  348.           }

  349.           CarlaRackList#CarlaRackList {

  350.             background-color: black;

  351.           }

  352.         """)

  353. 

  354.         # ----------------------------------------------------------------------------------------------------

  355.         # Set up GUI (patchbay)

  356. 

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

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

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

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

  361. 

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

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

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

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

  366. 

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

  368.         self.ui.keyboard   = self.ui.scrollArea.keyboard

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

  370. 

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

  372. 

  373.         self.ui.miniCanvasPreview.setRealParent(self)

  374. 

  375.         # ----------------------------------------------------------------------------------------------------

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

  377. 

  378.         if MACOS:

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

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

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

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

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

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

  385. 

  386.         # ----------------------------------------------------------------------------------------------------

  387.         # Load Settings

  388. 

  389.         self.loadSettings(True)

  390. 

  391.         # ----------------------------------------------------------------------------------------------------

  392.         # Set-up Canvas

  393. 

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

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

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

  397. 

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

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

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

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

  402. 

  403.         self.setupCanvas()

  404. 

  405.         # ----------------------------------------------------------------------------------------------------

  406.         # Connect actions to functions

  407. 

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

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

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

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

  412. 

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

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

  415. 

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

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

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

  419. 

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

  421. 

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

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

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

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

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

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

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

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

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

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

  432. 

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

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

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

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

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

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

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

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

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

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

  443. 

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

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

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

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

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

  449. 

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

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

  452. 

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

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

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

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

  457. 

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

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

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

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

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

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

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

  465. 

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

  467. 

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

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

  470. 

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

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

  473. 

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

  475. 

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

  477. 

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

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

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

  481. 

  482.         self.SIGUSR1.connect(self.slot_handleSIGUSR1)

  483.         self.SIGTERM.connect(self.slot_handleSIGTERM)

  484. 

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

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

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

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

  489. 

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

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

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

  493. 

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

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

  496. 

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

  498. 

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

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

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

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

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

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

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

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

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

  508. 

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

  510. 

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

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

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

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

  515. 

  516.         # ----------------------------------------------------------------------------------------------------

  517.         # Final setup

  518. 

  519.         self.ui.text_logs.clear()

  520.         self.setProperWindowTitle()

  521. 

  522.         # Disable non-supported features

  523.         features = gCarla.utils.get_supported_features()

  524. 

  525.         if "link" not in features:

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

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

  528. 

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

  530.         if self.host.isPlugin:

  531.             self.startTimers()

  532. 

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

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

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

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

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

  538. 

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

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

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

  542. 

  543.         # Load initial project file if set

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

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

  546. 

  547.             if projectFile:

  548.                 self.loadProjectLater(projectFile)

  549. 

  550.         # For NSM we wait for the open message

  551.         if NSM_URL and host.nsmOK:

  552.             host.nsm_ready(-1)

  553.             return

  554. 

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

  556. 

  557.     # --------------------------------------------------------------------------------------------------------

  558.     # Setup

  559. 

  560.     def compactPlugin(self, pluginId):

  561.         if pluginId > self.fPluginCount:

  562.             return

  563. 

  564.         pitem = self.fPluginList[pluginId]

  565. 

  566.         if pitem is None:

  567.             return

  568. 

  569.         pitem.recreateWidget(True)

  570. 

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

  572.         if pluginIdA == pluginIdB:

  573.             return

  574.         if pluginIdA < 0 or pluginIdB < 0:

  575.             return

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

  577.             return

  578. 

  579.         useCustomSkins = self.fSavedSettings[CARLA_KEY_MAIN_USE_CUSTOM_SKINS]

  580. 

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

  582. 

  583.         itemA = self.fPluginList[pluginIdA]

  584.         compactA = itemA.isCompacted()

  585.         guiShownA = itemA.isGuiShown()

  586. 

  587.         itemB = self.fPluginList[pluginIdB]

  588.         compactB = itemB.isCompacted()

  589.         guiShownB = itemB.isGuiShown()

  590. 

  591.         itemA.setPluginId(pluginIdA)

  592.         itemA.recreateWidget2(compactB, guiShownB)

  593. 

  594.         itemB.setPluginId(pluginIdB)

  595.         itemB.recreateWidget2(compactA, guiShownA)

  596. 

  597.         self.slot_canvasRefresh()

  598. 

  599.     def setLoadRDFsNeeded(self):

  600.         self.fLadspaRdfNeedsUpdate = True

  601. 

  602.     def setProperWindowTitle(self):

  603.         title = self.fClientName

  604. 

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

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

  607.         if self.fSessionManagerName:

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

  609. 

  610.         self.setWindowTitle(title)

  611. 

  612.     # --------------------------------------------------------------------------------------------------------

  613.     # Files

  614. 

  615.     def makeExtraFilename(self):

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

  617. 

  618.     def loadProjectNow(self):

  619.         if not self.fProjectFilename:

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

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

  622.             return

  623. 

  624.         self.projectLoadingStarted()

  625.         self.fIsProjectLoading = True

  626.         self.host.load_project(self.fProjectFilename)

  627. 

  628.         # Project finished loading is sent by engine

  629. 

  630.     def loadProjectLater(self, filename):

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

  632.         self.setProperWindowTitle()

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

  634. 

  635.     def saveProjectNow(self):

  636.         if not self.fProjectFilename:

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

  638. 

  639.         self.host.save_project(self.fProjectFilename)

  640. 

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

  642.             json.dump({

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

  644.             }, fh)

  645. 

  646.     def projectLoadingStarted(self):

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

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

  649. 

  650.     def projectLoadingFinished(self):

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

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

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

  654. 

  655.         extrafile = self.makeExtraFilename()

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

  657.             return

  658. 

  659.         try:

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

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

  662.         except:

  663.             return

  664. 

  665.         patchcanvas.restoreGroupPositions(canvasdata)

  666. 

  667.     # --------------------------------------------------------------------------------------------------------

  668.     # Files (menu actions)

  669. 

  670.     @pyqtSlot()

  671.     def slot_fileNew(self):

  672.         self.slot_pluginRemoveAll()

  673.         self.fProjectFilename = ""

  674.         self.setProperWindowTitle()

  675. 

  676.     @pyqtSlot()

  677.     def slot_fileOpen(self):

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

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

  680. 

  681.         if config_UseQt5:

  682.             filename = filename[0]

  683.         if not filename:

  684.             return

  685. 

  686.         newFile = True

  687. 

  688.         if self.fPluginCount > 0:

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

  690.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  692. 

  693.         if newFile:

  694.             self.slot_pluginRemoveAll()

  695.             self.fProjectFilename = filename

  696.             self.setProperWindowTitle()

  697.             self.loadProjectNow()

  698.         else:

  699.             filenameOld = self.fProjectFilename

  700.             self.fProjectFilename = filename

  701.             self.loadProjectNow()

  702.             self.fProjectFilename = filenameOld

  703. 

  704.     @pyqtSlot()

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

  706.         if self.fProjectFilename and not saveAs:

  707.             return self.saveProjectNow()

  708. 

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

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

  711. 

  712.         if config_UseQt5:

  713.             filename = filename[0]

  714.         if not filename:

  715.             return

  716. 

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

  718.             filename += ".carxp"

  719. 

  720.         if self.fProjectFilename != filename:

  721.             self.fProjectFilename = filename

  722.             self.setProperWindowTitle()

  723. 

  724.         self.saveProjectNow()

  725. 

  726.     @pyqtSlot()

  727.     def slot_fileSaveAs(self):

  728.         self.slot_fileSave(True)

  729. 

  730.     @pyqtSlot()

  731.     def slot_loadProjectNow(self):

  732.         self.loadProjectNow()

  733. 

  734.     # --------------------------------------------------------------------------------------------------------

  735.     # Engine (menu actions)

  736. 

  737.     @pyqtSlot()

  738.     def slot_engineStart(self):

  739.         audioDriver = setEngineSettings(self.host)

  740.         firstInit   = self.fFirstEngineInit

  741. 

  742.         self.fFirstEngineInit = False

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

  744. 

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

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

  747.             return

  748. 

  749.         elif firstInit:

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

  751.             return

  752. 

  753.         audioError = self.host.get_last_error()

  754. 

  755.         if audioError:

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

  757.         else:

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

  759. 

  760.     @pyqtSlot()

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

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

  763. 

  764.         if self.fPluginCount == 0:

  765.             self.engineStopFinal()

  766.             return True

  767. 

  768.         if not forced:

  769.             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"

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

  771.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  772.             if ask != QMessageBox.Yes:

  773.                 return False

  774. 

  775.         return self.slot_engineStopTryAgain()

  776. 

  777.     @pyqtSlot()

  778.     def slot_engineStopTryAgain(self):

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

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

  781.             return False

  782. 

  783.         self.engineStopFinal()

  784.         return True

  785. 

  786.     def engineStopFinal(self):

  787.         self.killTimers()

  788.         self.removeAllPlugins()

  789. 

  790.         if self.host.is_engine_running():

  791.             self.host.remove_all_plugins()

  792. 

  793.             if self.host.engine_close():

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

  795.             else:

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

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

  798. 

  799.         if self.fCustomStopAction == 1:

  800.             self.close()

  801.         elif self.fCustomStopAction == 2:

  802.             self.slot_engineStart()

  803.             self.loadProjectNow()

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

  805. 

  806.         self.fCustomStopAction = 0

  807. 

  808.     # --------------------------------------------------------------------------------------------------------

  809.     # Engine (host callbacks)

  810. 

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

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

  813.         self.fSampleRate = sampleRate

  814. 

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

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

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

  818. 

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

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

  821. 

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

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

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

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

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

  827.         else:

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

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

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

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

  832. 

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

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

  835. 

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

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

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

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

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

  841.             self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  842. 

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

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

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

  846. 

  847.         self.refreshTransport(True)

  848. 

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

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

  851. 

  852.         self.startTimers()

  853. 

  854.     @pyqtSlot()

  855.     def slot_handleEngineStoppedCallback(self):

  856.         patchcanvas.clear()

  857.         self.killTimers()

  858. 

  859.         # just in case

  860.         self.removeAllPlugins()

  861. 

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

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

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

  865. 

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

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

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

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

  870. 

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

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

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

  874. 

  875.     @pyqtSlot(float)

  876.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  877.         self.fSampleRate = newSampleRate

  878.         self.refreshTransport(True)

  879. 

  880.     @pyqtSlot()

  881.     def slot_handleProjectLoadFinishedCallback(self):

  882.         self.fIsProjectLoading = False

  883.         self.projectLoadingFinished()

  884. 

  885.     # --------------------------------------------------------------------------------------------------------

  886.     # Plugins

  887. 

  888.     def removeAllPlugins(self):

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

  890.         patchcanvas.handleAllPluginsRemoved()

  891. 

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

  893.             pass

  894. 

  895.         self.clearSideStuff()

  896. 

  897.         for pitem in self.fPluginList:

  898.             if pitem is None:

  899.                 continue

  900. 

  901.             pitem.close()

  902.             del pitem

  903. 

  904.         self.fPluginCount = 0

  905.         self.fPluginList  = []

  906. 

  907.     # --------------------------------------------------------------------------------------------------------

  908.     # Plugins (menu actions)

  909. 

  910.     def showAddPluginDialog(self):

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

  912. 

  913.         if not dialog.exec_():

  914.             return

  915. 

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

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

  918.             return

  919. 

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

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

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

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

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

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

  926. 

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

  928. 

  929.     def showAddJackAppDialog(self):

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

  931. 

  932.         if not dialog.exec_():

  933.             return

  934. 

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

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

  937.             return

  938. 

  939.         return dialog.getCommandAndFlags()

  940. 

  941.     @pyqtSlot()

  942.     def showPluginActionsMenu(self):

  943.         menu = QMenu(self)

  944. 

  945.         if config_UseQt5:

  946.             menu.addSection("Plugins")

  947.         else:

  948.             # fake section

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

  950.             font = act.font()

  951.             font.setBold(True)

  952.             act.setFont(font)

  953.             act.setEnabled(False)

  954.             menu.addSeparator()

  955. 

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

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

  958. 

  959.         if config_UseQt5:

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

  961.         else:

  962.             # fake space

  963.             act  = menu.addAction(" ")

  964.             font = act.font()

  965.             font.setBold(True)

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

  967.             act.setEnabled(False)

  968. 

  969.             # fake section

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

  971.             font = act.font()

  972.             font.setBold(True)

  973.             act.setFont(font)

  974.             act.setEnabled(False)

  975.             menu.addSeparator()

  976. 

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

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

  979.         menu.addSeparator()

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

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

  982.         menu.addSeparator()

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

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

  985.         menu.addSeparator()

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

  987.         menu.addSeparator()

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

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

  990. 

  991.         menu.exec_(QCursor.pos())

  992. 

  993.     @pyqtSlot()

  994.     def slot_pluginAdd(self):

  995.         data = self.showAddPluginDialog()

  996. 

  997.         if data is None:

  998.             return

  999. 

  1000.         btype, ptype, filename, label, uniqueId, extraPtr = data

  1001. 

  1002.         if not self.host.add_plugin(btype, ptype, filename, None, label, uniqueId, extraPtr, 0x0):

  1003.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"), self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1004. 

  1005.     @pyqtSlot()

  1006.     def slot_pluginRemoveAll(self):

  1007.         if self.fPluginCount == 0:

  1008.             return

  1009. 

  1010.         # FIXME - this is not working

  1011.         # removing a plugin causes flicker, the rack-list becomes empty for some time

  1012.         # this breaks the remove-all animation, so don't bother using it

  1013.         if False and not self.host.isPlugin:

  1014.             self.projectLoadingStarted()

  1015. 

  1016.             app = QApplication.instance()

  1017.             app.processEvents()

  1018. 

  1019.             for i in reversed(range(self.fPluginCount)):

  1020.                 self.host.remove_plugin(i)

  1021.                 app.processEvents()

  1022. 

  1023.             self.projectLoadingFinished()

  1024. 

  1025.         self.fCurrentlyRemovingAllPlugins = True

  1026.         ok = self.host.remove_all_plugins()

  1027.         self.fCurrentlyRemovingAllPlugins = False

  1028. 

  1029.         if ok:

  1030.             self.removeAllPlugins()

  1031.         else:

  1032.             CustomMessageBox(self, QMessageBox.Warning, self.tr("Error"), self.tr("Operation failed"),

  1033.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1034. 

  1035.         self.fCurrentlyRemovingAllPlugins = False

  1036. 

  1037.     @pyqtSlot()

  1038.     def slot_jackAppAdd(self):

  1039.         data = self.showAddJackAppDialog()

  1040. 

  1041.         if data is None:

  1042.             return

  1043. 

  1044.         filename, name, label = data

  1045. 

  1046.         if not filename:

  1047.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Cannot add jack application"),

  1048.                                    self.tr("command is empty"), QMessageBox.Ok, QMessageBox.Ok)

  1049.             return

  1050. 

  1051.         if not self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, filename, name, label, 0, None, 0x0):

  1052.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1053.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1054. 

  1055.     # --------------------------------------------------------------------------------------------------------

  1056.     # Plugins (macros)

  1057. 

  1058.     @pyqtSlot()

  1059.     def slot_pluginsEnable(self):

  1060.         if not self.host.is_engine_running():

  1061.             return

  1062. 

  1063.         for pitem in self.fPluginList:

  1064.             if pitem is None:

  1065.                 break

  1066. 

  1067.             pitem.getWidget().setActive(True, True, True)

  1068. 

  1069.     @pyqtSlot()

  1070.     def slot_pluginsDisable(self):

  1071.         if not self.host.is_engine_running():

  1072.             return

  1073. 

  1074.         for pitem in self.fPluginList:

  1075.             if pitem is None:

  1076.                 break

  1077. 

  1078.             pitem.getWidget().setActive(False, True, True)

  1079. 

  1080.     @pyqtSlot()

  1081.     def slot_pluginsVolume100(self):

  1082.         if not self.host.is_engine_running():

  1083.             return

  1084. 

  1085.         for pitem in self.fPluginList:

  1086.             if pitem is None:

  1087.                 break

  1088. 

  1089.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 1.0)

  1090. 

  1091.     @pyqtSlot()

  1092.     def slot_pluginsMute(self):

  1093.         if not self.host.is_engine_running():

  1094.             return

  1095. 

  1096.         for pitem in self.fPluginList:

  1097.             if pitem is None:

  1098.                 break

  1099. 

  1100.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_VOLUME, 0.0)

  1101. 

  1102.     @pyqtSlot()

  1103.     def slot_pluginsWet100(self):

  1104.         if not self.host.is_engine_running():

  1105.             return

  1106. 

  1107.         for pitem in self.fPluginList:

  1108.             if pitem is None:

  1109.                 break

  1110. 

  1111.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 1.0)

  1112. 

  1113.     @pyqtSlot()

  1114.     def slot_pluginsBypass(self):

  1115.         if not self.host.is_engine_running():

  1116.             return

  1117. 

  1118.         for pitem in self.fPluginList:

  1119.             if pitem is None:

  1120.                 break

  1121. 

  1122.             pitem.getWidget().setInternalParameter(PLUGIN_CAN_DRYWET, 0.0)

  1123. 

  1124.     @pyqtSlot()

  1125.     def slot_pluginsCenter(self):

  1126.         if not self.host.is_engine_running():

  1127.             return

  1128. 

  1129.         for pitem in self.fPluginList:

  1130.             if pitem is None:

  1131.                 break

  1132. 

  1133.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1134.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1135.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1136. 

  1137.     @pyqtSlot()

  1138.     def slot_pluginsCompact(self):

  1139.         for pitem in self.fPluginList:

  1140.             if pitem is None:

  1141.                 break

  1142.             pitem.compact()

  1143. 

  1144.     @pyqtSlot()

  1145.     def slot_pluginsExpand(self):

  1146.         for pitem in self.fPluginList:

  1147.             if pitem is None:

  1148.                 break

  1149.             pitem.expand()

  1150. 

  1151.     # --------------------------------------------------------------------------------------------------------

  1152.     # Plugins (host callbacks)

  1153. 

  1154.     @pyqtSlot(int, str)

  1155.     def slot_handlePluginAddedCallback(self, pluginId, pluginName):

  1156.         pitem = self.ui.listWidget.createItem(pluginId, self.fSavedSettings[CARLA_KEY_MAIN_USE_CUSTOM_SKINS])

  1157. 

  1158.         self.fPluginList.append(pitem)

  1159.         self.fPluginCount += 1

  1160. 

  1161.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1162. 

  1163.     @pyqtSlot(int)

  1164.     def slot_handlePluginRemovedCallback(self, pluginId):

  1165.         patchcanvas.handlePluginRemoved(pluginId)

  1166. 

  1167.         if pluginId in self.fSelectedPlugins:

  1168.             self.clearSideStuff()

  1169. 

  1170.         pitem = self.getPluginItem(pluginId)

  1171. 

  1172.         self.fPluginCount -= 1

  1173.         self.fPluginList.pop(pluginId)

  1174.         self.ui.listWidget.takeItem(pluginId)

  1175. 

  1176.         if pitem is not None:

  1177.             pitem.close()

  1178.             del pitem

  1179. 

  1180.         # push all plugins 1 slot back

  1181.         for i in range(pluginId, self.fPluginCount):

  1182.             pitem = self.fPluginList[i]

  1183.             pitem.setPluginId(i)

  1184. 

  1185.         self.ui.act_plugin_remove_all.setEnabled(self.fPluginCount > 0)

  1186. 

  1187.     # --------------------------------------------------------------------------------------------------------

  1188.     # Canvas

  1189. 

  1190.     def clearSideStuff(self):

  1191.         self.scene.clearSelection()

  1192. 

  1193.         self.fSelectedPlugins = []

  1194. 

  1195.         self.ui.keyboard.allNotesOff(False)

  1196.         self.ui.scrollArea.setEnabled(False)

  1197. 

  1198.         self.fPeaksCleared = True

  1199.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1200.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1201.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1202.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1203. 

  1204.     def setupCanvas(self):

  1205.         pOptions = patchcanvas.options_t()

  1206.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1207.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1208.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1209.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1210.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1211. 

  1212.         if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY]:

  1213.             pOptions.eyecandy      = patchcanvas.EYECANDY_FULL

  1214.         elif self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]:

  1215.             pOptions.eyecandy      = patchcanvas.EYECANDY_SMALL

  1216.         else:

  1217.             pOptions.eyecandy      = patchcanvas.EYECANDY_NONE

  1218. 

  1219.         pFeatures = patchcanvas.features_t()

  1220.         pFeatures.group_info   = False

  1221.         pFeatures.group_rename = False

  1222.         pFeatures.port_info    = False

  1223.         pFeatures.port_rename  = False

  1224.         pFeatures.handle_group_pos = True

  1225. 

  1226.         patchcanvas.setOptions(pOptions)

  1227.         patchcanvas.setFeatures(pFeatures)

  1228.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1229. 

  1230.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1231. 

  1232.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1233.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1234.             self.fCanvasHeight = int(tryCanvasSize[1])

  1235.         else:

  1236.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1237.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1238. 

  1239.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1240.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1241.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1242. 

  1243.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1244.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1245. 

  1246.     def updateCanvasInitialPos(self):

  1247.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1248.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1249.         patchcanvas.setInitialPos(x, y)

  1250. 

  1251.     def updateMiniCanvasLater(self):

  1252.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1253. 

  1254.     # --------------------------------------------------------------------------------------------------------

  1255.     # Canvas (menu actions)

  1256. 

  1257.     @pyqtSlot()

  1258.     def slot_canvasShowInternal(self):

  1259.         self.fExternalPatchbay = False

  1260.         self.ui.act_canvas_show_internal.blockSignals(True)

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

  1262.         self.ui.act_canvas_show_internal.setChecked(True)

  1263.         self.ui.act_canvas_show_external.setChecked(False)

  1264.         self.ui.act_canvas_show_internal.blockSignals(False)

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

  1266.         self.slot_canvasRefresh()

  1267. 

  1268.     @pyqtSlot()

  1269.     def slot_canvasShowExternal(self):

  1270.         self.fExternalPatchbay = True

  1271.         self.ui.act_canvas_show_internal.blockSignals(True)

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

  1273.         self.ui.act_canvas_show_internal.setChecked(False)

  1274.         self.ui.act_canvas_show_external.setChecked(True)

  1275.         self.ui.act_canvas_show_internal.blockSignals(False)

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

  1277.         self.slot_canvasRefresh()

  1278. 

  1279.     @pyqtSlot()

  1280.     def slot_canvasArrange(self):

  1281.         patchcanvas.arrange()

  1282. 

  1283.     @pyqtSlot()

  1284.     def slot_canvasRefresh(self):

  1285.         patchcanvas.clear()

  1286. 

  1287.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and (self.host.isControl or self.host.isPlugin):

  1288.             return

  1289. 

  1290.         if self.host.is_engine_running():

  1291.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1292. 

  1293.         self.updateMiniCanvasLater()

  1294. 

  1295.     @pyqtSlot()

  1296.     def slot_canvasZoomFit(self):

  1297.         self.scene.zoom_fit()

  1298. 

  1299.     @pyqtSlot()

  1300.     def slot_canvasZoomIn(self):

  1301.         self.scene.zoom_in()

  1302. 

  1303.     @pyqtSlot()

  1304.     def slot_canvasZoomOut(self):

  1305.         self.scene.zoom_out()

  1306. 

  1307.     @pyqtSlot()

  1308.     def slot_canvasZoomReset(self):

  1309.         self.scene.zoom_reset()

  1310. 

  1311.     @pyqtSlot()

  1312.     def slot_canvasSaveImage(self):

  1313.         newPath = QFileDialog.getSaveFileName(self, self.tr("Save Image"), filter=self.tr("PNG Image (*.png);;JPEG Image (*.jpg)"))

  1314. 

  1315.         if config_UseQt5:

  1316.             newPath = newPath[0]

  1317.         if not newPath:

  1318.             return

  1319. 

  1320.         self.scene.clearSelection()

  1321. 

  1322.         if newPath.lower().endswith((".jpg", ".jpeg")):

  1323.             imgFormat = "JPG"

  1324.         elif newPath.lower().endswith((".png",)):

  1325.             imgFormat = "PNG"

  1326.         else:

  1327.             # File-dialog may not auto-add the extension

  1328.             imgFormat = "PNG"

  1329.             newPath  += ".png"

  1330. 

  1331.         self.fExportImage = QImage(self.scene.sceneRect().width(), self.scene.sceneRect().height(), QImage.Format_RGB32)

  1332.         painter = QPainter(self.fExportImage)

  1333.         painter.save()

  1334.         painter.setRenderHint(QPainter.Antialiasing) # TODO - set true, cleanup this

  1335.         painter.setRenderHint(QPainter.TextAntialiasing)

  1336.         self.scene.render(painter)

  1337.         self.fExportImage.save(newPath, imgFormat, 100)

  1338.         painter.restore()

  1339. 

  1340.     # --------------------------------------------------------------------------------------------------------

  1341.     # Canvas (canvas callbacks)

  1342. 

  1343.     @pyqtSlot(int, int, QPointF)

  1344.     def slot_canvasItemMoved(self, group_id, split_mode, pos):

  1345.         self.updateMiniCanvasLater()

  1346. 

  1347.     @pyqtSlot(float)

  1348.     def slot_canvasScaleChanged(self, scale):

  1349.         self.ui.miniCanvasPreview.setViewScale(scale)

  1350. 

  1351.     @pyqtSlot(list)

  1352.     def slot_canvasPluginSelected(self, pluginList):

  1353.         self.ui.keyboard.allNotesOff(False)

  1354.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1355.         self.fSelectedPlugins = pluginList

  1356. 

  1357.     # --------------------------------------------------------------------------------------------------------

  1358.     # Canvas (host callbacks)

  1359. 

  1360.     @pyqtSlot(int, int, int, str)

  1361.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1362.         pcSplit = patchcanvas.SPLIT_UNDEF

  1363.         pcIcon  = patchcanvas.ICON_APPLICATION

  1364. 

  1365.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1366.             pcIcon = patchcanvas.ICON_PLUGIN

  1367.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1368.             pcIcon = patchcanvas.ICON_HARDWARE

  1369.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1370.             pass

  1371.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1372.             pcIcon = patchcanvas.ICON_DISTRHO

  1373.         elif clientIcon == PATCHBAY_ICON_FILE:

  1374.             pcIcon = patchcanvas.ICON_FILE

  1375. 

  1376.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1377. 

  1378.         self.updateMiniCanvasLater()

  1379. 

  1380.         if pluginId < 0:

  1381.             return

  1382.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1383.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1384.             return

  1385. 

  1386.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1387.             hasCustomUI = False

  1388.         else:

  1389.             hasCustomUI = bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI)

  1390. 

  1391.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI)

  1392. 

  1393.     @pyqtSlot(int)

  1394.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1395.         patchcanvas.removeGroup(clientId)

  1396.         self.updateMiniCanvasLater()

  1397. 

  1398.     @pyqtSlot(int, str)

  1399.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1400.         patchcanvas.renameGroup(clientId, newClientName)

  1401.         self.updateMiniCanvasLater()

  1402. 

  1403.     @pyqtSlot(int, int, int)

  1404.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1405.         pcIcon = patchcanvas.ICON_APPLICATION

  1406. 

  1407.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1408.             pcIcon = patchcanvas.ICON_PLUGIN

  1409.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1410.             pcIcon = patchcanvas.ICON_HARDWARE

  1411.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1412.             pass

  1413.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1414.             pcIcon = patchcanvas.ICON_DISTRHO

  1415.         elif clientIcon == PATCHBAY_ICON_FILE:

  1416.             pcIcon = patchcanvas.ICON_FILE

  1417. 

  1418.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1419.         self.updateMiniCanvasLater()

  1420. 

  1421.         if pluginId < 0:

  1422.             return

  1423.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1424.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1425.             return

  1426. 

  1427.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1428.             hasCustomUI = False

  1429.         else:

  1430.             hasCustomUI = bool(self.host.get_plugin_info(pluginId)['hints'] & PLUGIN_HAS_CUSTOM_UI)

  1431. 

  1432.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI)

  1433. 

  1434.     @pyqtSlot(int, int, int, str)

  1435.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portName):

  1436.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  1437.             portMode = patchcanvas.PORT_MODE_INPUT

  1438.         else:

  1439.             portMode = patchcanvas.PORT_MODE_OUTPUT

  1440. 

  1441.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  1442.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1443.             isAlternate = False

  1444.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  1445.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  1446.             isAlternate = True

  1447.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  1448.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  1449.             isAlternate = False

  1450.         else:

  1451.             portType    = patchcanvas.PORT_TYPE_NULL

  1452.             isAlternate = False

  1453. 

  1454.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  1455.         self.updateMiniCanvasLater()

  1456. 

  1457.     @pyqtSlot(int, int)

  1458.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  1459.         patchcanvas.removePort(groupId, portId)

  1460.         self.updateMiniCanvasLater()

  1461. 

  1462.     @pyqtSlot(int, int, str)

  1463.     def slot_handlePatchbayPortRenamedCallback(self, groupId, portId, newPortName):

  1464.         patchcanvas.renamePort(groupId, portId, newPortName)

  1465.         self.updateMiniCanvasLater()

  1466. 

  1467.     @pyqtSlot(int, int, int, int, int)

  1468.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  1469.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  1470.         self.updateMiniCanvasLater()

  1471. 

  1472.     @pyqtSlot(int, int, int)

  1473.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  1474.         patchcanvas.disconnectPorts(connectionId)

  1475.         self.updateMiniCanvasLater()

  1476. 

  1477.     # --------------------------------------------------------------------------------------------------------

  1478.     # Settings

  1479. 

  1480.     def saveSettings(self):

  1481.         settings = QSettings()

  1482. 

  1483.         settings.setValue("Geometry", self.saveGeometry())

  1484. 

  1485.         #settings.setValue("SplitterState", self.ui.splitter.saveState())

  1486. 

  1487.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  1488. 

  1489.         settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  1490. 

  1491.         diskFolders = []

  1492. 

  1493.         for i in range(self.ui.cb_disk.count()):

  1494.             diskFolders.append(self.ui.cb_disk.itemData(i))

  1495. 

  1496.         settings.setValue("DiskFolders", diskFolders)

  1497. 

  1498.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  1499.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  1500.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  1501.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  1502. 

  1503.     def loadSettings(self, firstTime):

  1504.         settings = QSettings()

  1505. 

  1506.         if firstTime:

  1507.             self.restoreGeometry(settings.value("Geometry", b""))

  1508. 

  1509.             showToolbar = settings.value("ShowToolbar", True, type=bool)

  1510.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  1511.             self.ui.toolBar.setEnabled(showToolbar)

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

  1513. 

  1514.             #if settings.contains("SplitterState"):

  1515.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  1516.             #else:

  1517.                 #self.ui.splitter.setSizes([210, 99999])

  1518. 

  1519.             showSidePanel = settings.value("ShowSidePanel", True, type=bool)

  1520.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  1521.             self.ui.dockWidget.setEnabled(showSidePanel)

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

  1523. 

  1524.             diskFolders = toList(settings.value("DiskFolders", [HOME]))

  1525. 

  1526.             self.ui.cb_disk.setItemData(0, HOME)

  1527. 

  1528.             for i in range(len(diskFolders)):

  1529.                 if i == 0: continue

  1530.                 folder = diskFolders[i]

  1531.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  1532. 

  1533.             #if MACOS and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, type=bool):

  1534.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  1535. 

  1536.             showMeters = settings.value("ShowMeters", False, type=bool)

  1537.             self.ui.act_settings_show_meters.setChecked(showMeters)

  1538.             self.ui.peak_in.setVisible(showMeters)

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

  1540. 

  1541.             showKeyboard = settings.value("ShowKeyboard", not(MACOS or WINDOWS), type=bool)

  1542.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  1543.             self.ui.scrollArea.setVisible(showKeyboard)

  1544. 

  1545.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  1546. 

  1547.         # TODO - complete this

  1548. 

  1549.         self.fSavedSettings = {

  1550.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      type=str),

  1551.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    type=int),

  1552.             CARLA_KEY_MAIN_USE_CUSTOM_SKINS:    settings.value(CARLA_KEY_MAIN_USE_CUSTOM_SKINS,    CARLA_DEFAULT_MAIN_USE_CUSTOM_SKINS,    type=bool),

  1553.             CARLA_KEY_MAIN_EXPERIMENTAL:        settings.value(CARLA_KEY_MAIN_EXPERIMENTAL,        CARLA_DEFAULT_MAIN_EXPERIMENTAL,        type=bool),

  1554.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             type=str),

  1555.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              type=str),

  1556.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  type=bool),

  1557.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, type=bool),

  1558.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  type=bool),

  1559.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         type=bool),

  1560.             CARLA_KEY_CANVAS_FANCY_EYE_CANDY:   settings.value(CARLA_KEY_CANVAS_FANCY_EYE_CANDY,   CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY,   type=bool),

  1561.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        type=bool),

  1562.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      type=int),

  1563.             CARLA_KEY_CANVAS_HQ_ANTIALIASING:   settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   type=bool),

  1564.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   type=bool) and

  1565.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", type=str).lower() == "black"),

  1566.         }

  1567. 

  1568.         settings = QSettings("falkTX", "Carla2")

  1569. 

  1570.         if self.host.experimental:

  1571.             self.ui.act_add_jack.setVisible(settings.value(CARLA_KEY_EXPERIMENTAL_JACK_APPS,

  1572.                                                            CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS, type=bool))

  1573.         else:

  1574.             self.ui.act_add_jack.setVisible(False)

  1575. 

  1576.         if not (self.host.isControl or self.host.isPlugin):

  1577.             if self.ui.cb_transport_jack.isChecked():

  1578.                 transportMode = ENGINE_TRANSPORT_MODE_JACK

  1579.             else:

  1580.                 transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  1581.             transportExtra = ":link:" if self.ui.cb_transport_link.isChecked() else ""

  1582. 

  1583.             self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1584.             self.host.transportMode = transportMode

  1585.             self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, transportMode, transportExtra)

  1586. 

  1587.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY] else 0

  1588. 

  1589.         setEngineSettings(self.host)

  1590.         self.restartTimersIfNeeded()

  1591. 

  1592.     # --------------------------------------------------------------------------------------------------------

  1593.     # Settings (helpers)

  1594. 

  1595.     def enableTransport(self, enabled):

  1596.         self.ui.group_transport_controls.setEnabled(enabled)

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

  1598. 

  1599.     @pyqtSlot()

  1600.     def slot_restoreCanvasScrollbarValues(self):

  1601.         settings = QSettings()

  1602.         self.ui.graphicsView.horizontalScrollBar().setValue(settings.value("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().maximum()/2, type=int))

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

  1604. 

  1605.     # --------------------------------------------------------------------------------------------------------

  1606.     # Settings (menu actions)

  1607. 

  1608.     @pyqtSlot(bool)

  1609.     def slot_showSidePanel(self, yesNo):

  1610.         self.ui.dockWidget.setEnabled(yesNo)

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

  1612. 

  1613.     @pyqtSlot(bool)

  1614.     def slot_showToolbar(self, yesNo):

  1615.         self.ui.toolBar.setEnabled(yesNo)

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

  1617. 

  1618.     @pyqtSlot(bool)

  1619.     def slot_showCanvasMeters(self, yesNo):

  1620.         self.ui.peak_in.setVisible(yesNo)

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

  1622.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1623. 

  1624.     @pyqtSlot(bool)

  1625.     def slot_showCanvasKeyboard(self, yesNo):

  1626.         self.ui.scrollArea.setVisible(yesNo)

  1627.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  1628. 

  1629.     @pyqtSlot()

  1630.     def slot_configureCarla(self):

  1631.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  1632.         if not dialog.exec_():

  1633.             return

  1634. 

  1635.         self.loadSettings(False)

  1636. 

  1637.         patchcanvas.clear()

  1638. 

  1639.         self.setupCanvas()

  1640.         self.slot_miniCanvasCheckAll()

  1641. 

  1642.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1643.             pass

  1644.         elif self.host.is_engine_running():

  1645.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1646. 

  1647.         for pitem in self.fPluginList:

  1648.             if pitem is None:

  1649.                 break

  1650.             pitem.setUsingSkins(self.fSavedSettings[CARLA_KEY_MAIN_USE_CUSTOM_SKINS])

  1651.             pitem.recreateWidget()

  1652. 

  1653.     # --------------------------------------------------------------------------------------------------------

  1654.     # About (menu actions)

  1655. 

  1656.     @pyqtSlot()

  1657.     def slot_aboutCarla(self):

  1658.         CarlaAboutW(self.fParentOrSelf, self.host).exec_()

  1659. 

  1660.     @pyqtSlot()

  1661.     def slot_aboutQt(self):

  1662.         QApplication.instance().aboutQt()

  1663. 

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

  1665.     # Disk (menu actions)

  1666. 

  1667.     @pyqtSlot(int)

  1668.     def slot_diskFolderChanged(self, index):

  1669.         if index < 0:

  1670.             return

  1671.         elif index == 0:

  1672.             filename = HOME

  1673.             self.ui.b_disk_remove.setEnabled(False)

  1674.         else:

  1675.             filename = self.ui.cb_disk.itemData(index)

  1676.             self.ui.b_disk_remove.setEnabled(True)

  1677. 

  1678.         self.fDirModel.setRootPath(filename)

  1679.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  1680. 

  1681.     @pyqtSlot()

  1682.     def slot_diskFolderAdd(self):

  1683.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  1684. 

  1685.         if newPath:

  1686.             if newPath[-1] == os.sep:

  1687.                 newPath = newPath[:-1]

  1688.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  1689.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  1690.             self.ui.b_disk_remove.setEnabled(True)

  1691. 

  1692.     @pyqtSlot()

  1693.     def slot_diskFolderRemove(self):

  1694.         index = self.ui.cb_disk.currentIndex()

  1695. 

  1696.         if index <= 0:

  1697.             return

  1698. 

  1699.         self.ui.cb_disk.removeItem(index)

  1700. 

  1701.         if self.ui.cb_disk.currentIndex() == 0:

  1702.             self.ui.b_disk_remove.setEnabled(False)

  1703. 

  1704.     @pyqtSlot(QModelIndex)

  1705.     def slot_fileTreeDoubleClicked(self, modelIndex):

  1706.         filename = self.fDirModel.filePath(modelIndex)

  1707. 

  1708.         if not self.ui.listWidget.isDragUrlValid(filename):

  1709.             return

  1710. 

  1711.         if not self.host.load_file(filename):

  1712.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  1713.                              self.tr("Failed to load file"),

  1714.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1715. 

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

  1717.     # Transport

  1718. 

  1719.     def refreshTransport(self, forced = False):

  1720.         if not self.isVisible():

  1721.             return

  1722.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  1723.             return

  1724. 

  1725.         timeInfo = self.host.get_transport_info()

  1726.         playing  = timeInfo['playing']

  1727.         frame    = timeInfo['frame']

  1728.         bpm      = timeInfo['bpm']

  1729. 

  1730.         if playing != self.fLastTransportState or forced:

  1731.             if playing:

  1732.                 icon = getIcon("media-playback-pause")

  1733.                 self.ui.b_transport_play.setChecked(True)

  1734.                 self.ui.b_transport_play.setIcon(icon)

  1735.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  1736.             else:

  1737.                 icon = getIcon("media-playback-start")

  1738.                 self.ui.b_transport_play.setChecked(False)

  1739.                 self.ui.b_transport_play.setIcon(icon)

  1740.                 #self.ui.b_play.setText(self.tr("&Play"))

  1741. 

  1742.             self.fLastTransportState = playing

  1743. 

  1744.         if frame != self.fLastTransportFrame or forced:

  1745.             self.fLastTransportFrame = frame

  1746. 

  1747.             time = frame / self.fSampleRate

  1748.             secs =  time % 60

  1749.             mins = (time / 60) % 60

  1750.             hrs  = (time / 3600) % 60

  1751.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  1752. 

  1753.             frame1 =  frame % 1000

  1754.             frame2 = (frame / 1000) % 1000

  1755.             frame3 = (frame / 1000000) % 1000

  1756.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  1757. 

  1758.             bar  = timeInfo['bar']

  1759.             beat = timeInfo['beat']

  1760.             tick = timeInfo['tick']

  1761.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  1762. 

  1763.         if bpm != self.fLastTransportBPM or forced:

  1764.             self.fLastTransportBPM = bpm

  1765. 

  1766.             if bpm > 0.0:

  1767.                 self.ui.dsb_transport_bpm.blockSignals(True)

  1768.                 self.ui.dsb_transport_bpm.setValue(bpm)

  1769.                 self.ui.dsb_transport_bpm.blockSignals(False)

  1770.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  1771.             else:

  1772.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  1773. 

  1774.     # --------------------------------------------------------------------------------------------------------

  1775.     # Transport (menu actions)

  1776. 

  1777.     @pyqtSlot(bool)

  1778.     def slot_transportPlayPause(self, toggled):

  1779.         if self.host.isPlugin or not self.host.is_engine_running():

  1780.             return

  1781. 

  1782.         if toggled:

  1783.             self.host.transport_play()

  1784.         else:

  1785.             self.host.transport_pause()

  1786. 

  1787.         self.refreshTransport()

  1788. 

  1789.     @pyqtSlot()

  1790.     def slot_transportStop(self):

  1791.         if self.host.isPlugin or not self.host.is_engine_running():

  1792.             return

  1793. 

  1794.         self.host.transport_pause()

  1795.         self.host.transport_relocate(0)

  1796. 

  1797.         self.refreshTransport()

  1798. 

  1799.     @pyqtSlot()

  1800.     def slot_transportBackwards(self):

  1801.         if self.host.isPlugin or not self.host.is_engine_running():

  1802.             return

  1803. 

  1804.         newFrame = self.host.get_current_transport_frame() - 100000

  1805. 

  1806.         if newFrame < 0:

  1807.             newFrame = 0

  1808. 

  1809.         self.host.transport_relocate(newFrame)

  1810. 

  1811.     @pyqtSlot(float)

  1812.     def slot_transportBpmChanged(self, newValue):

  1813.         self.host.transport_bpm(newValue)

  1814. 

  1815.     @pyqtSlot()

  1816.     def slot_transportForwards(self):

  1817.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  1818.             return

  1819. 

  1820.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  1821.         self.host.transport_relocate(newFrame)

  1822. 

  1823.     @pyqtSlot(bool)

  1824.     def slot_transportJackEnabled(self, clicked):

  1825.         if not self.host.is_engine_running():

  1826.             return

  1827.         mode  = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  1828.         extra = ":link:" if self.ui.cb_transport_link.isChecked() else ""

  1829.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, extra)

  1830. 

  1831.     @pyqtSlot(bool)

  1832.     def slot_transportLinkEnabled(self, clicked):

  1833.         if not self.host.is_engine_running():

  1834.             return

  1835.         mode  = ENGINE_TRANSPORT_MODE_JACK if self.ui.cb_transport_jack.isChecked() else ENGINE_TRANSPORT_MODE_INTERNAL

  1836.         extra = ":link:" if clicked else ""

  1837.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, mode, extra)

  1838. 

  1839.     # --------------------------------------------------------------------------------------------------------

  1840.     # Canvas scrollbars

  1841. 

  1842.     @pyqtSlot(int)

  1843.     def slot_horizontalScrollBarChanged(self, value):

  1844.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  1845.         if maximum == 0:

  1846.             xp = 0

  1847.         else:

  1848.             xp = float(value) / maximum

  1849.         self.ui.miniCanvasPreview.setViewPosX(xp)

  1850.         self.updateCanvasInitialPos()

  1851. 

  1852.     @pyqtSlot(int)

  1853.     def slot_verticalScrollBarChanged(self, value):

  1854.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  1855.         if maximum == 0:

  1856.             yp = 0

  1857.         else:

  1858.             yp = float(value) / maximum

  1859.         self.ui.miniCanvasPreview.setViewPosY(yp)

  1860.         self.updateCanvasInitialPos()

  1861. 

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

  1863.     # Canvas keyboard

  1864. 

  1865.     @pyqtSlot(int)

  1866.     def slot_noteOn(self, note):

  1867.         for pluginId in self.fSelectedPlugins:

  1868.             self.host.send_midi_note(pluginId, 0, note, 100)

  1869. 

  1870.             pedit = self.getPluginEditDialog(pluginId)

  1871.             pedit.noteOn(0, note, 100)

  1872. 

  1873.     @pyqtSlot(int)

  1874.     def slot_noteOff(self, note):

  1875.         for pluginId in self.fSelectedPlugins:

  1876.             self.host.send_midi_note(pluginId, 0, note, 0)

  1877. 

  1878.             pedit = self.getPluginEditDialog(pluginId)

  1879.             pedit.noteOff(0, note)

  1880. 

  1881.     # --------------------------------------------------------------------------------------------------------

  1882.     # Canvas keyboard (host callbacks)

  1883. 

  1884.     @pyqtSlot(int, int, int, int)

  1885.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  1886.         if pluginId in self.fSelectedPlugins:

  1887.             self.ui.keyboard.sendNoteOn(note, False)

  1888. 

  1889.     @pyqtSlot(int, int, int)

  1890.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  1891.         if pluginId in self.fSelectedPlugins:

  1892.             self.ui.keyboard.sendNoteOff(note, False)

  1893. 

  1894.     # --------------------------------------------------------------------------------------------------------

  1895. 

  1896.     @pyqtSlot(int)

  1897.     def slot_handleUpdateCallback(self, pluginId):

  1898.         pitem = self.getPluginItem(pluginId)

  1899. 

  1900.         if pitem is None:

  1901.             return

  1902. 

  1903.         wasCompacted = pitem.isCompacted()

  1904.         isCompacted  = wasCompacted

  1905. 

  1906.         for i in range(self.host.get_custom_data_count(pluginId)):

  1907.             cdata = self.host.get_custom_data(pluginId, i)

  1908. 

  1909.             if cdata['type'] == CUSTOM_DATA_TYPE_PROPERTY and cdata['key'] == "CarlaSkinIsCompacted":

  1910.                 isCompacted = bool(cdata['value'] == "true")

  1911.                 break

  1912.         else:

  1913.             return

  1914. 

  1915.         if wasCompacted == isCompacted:

  1916.             return

  1917. 

  1918.         pitem.recreateWidget(True)

  1919. 

  1920.     # --------------------------------------------------------------------------------------------------------

  1921.     # MiniCanvas stuff

  1922. 

  1923.     @pyqtSlot()

  1924.     def slot_miniCanvasCheckAll(self):

  1925.         self.slot_miniCanvasCheckSize()

  1926.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  1927.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  1928. 

  1929.     @pyqtSlot()

  1930.     def slot_miniCanvasCheckSize(self):

  1931.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  1932.             return

  1933. 

  1934.         currentIndex = self.ui.tabWidget.currentIndex()

  1935. 

  1936.         if currentIndex == 1:

  1937.             width  = self.ui.graphicsView.width()

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

  1939.         else:

  1940.             self.ui.tabWidget.blockSignals(True)

  1941.             self.ui.tabWidget.setCurrentIndex(1)

  1942.             width  = self.ui.graphicsView.width()

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

  1944.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  1945.             self.ui.tabWidget.blockSignals(False)

  1946. 

  1947.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  1948. 

  1949.     @pyqtSlot(float, float)

  1950.     def slot_miniCanvasMoved(self, xp, yp):

  1951.         hsb = self.ui.graphicsView.horizontalScrollBar()

  1952.         vsb = self.ui.graphicsView.verticalScrollBar()

  1953.         hsb.setValue(xp * hsb.maximum())

  1954.         vsb.setValue(yp * vsb.maximum())

  1955.         self.updateCanvasInitialPos()

  1956. 

  1957.     # --------------------------------------------------------------------------------------------------------

  1958.     # Timers

  1959. 

  1960.     def startTimers(self):

  1961.         if self.fIdleTimerFast == 0:

  1962.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  1963. 

  1964.         if self.fIdleTimerSlow == 0:

  1965.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  1966. 

  1967.     def restartTimersIfNeeded(self):

  1968.         if self.fIdleTimerFast != 0:

  1969.             self.killTimer(self.fIdleTimerFast)

  1970.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  1971. 

  1972.         if self.fIdleTimerSlow != 0:

  1973.             self.killTimer(self.fIdleTimerSlow)

  1974.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  1975. 

  1976.     def killTimers(self):

  1977.         if self.fIdleTimerFast != 0:

  1978.             self.killTimer(self.fIdleTimerFast)

  1979.             self.fIdleTimerFast = 0

  1980. 

  1981.         if self.fIdleTimerSlow != 0:

  1982.             self.killTimer(self.fIdleTimerSlow)

  1983.             self.fIdleTimerSlow = 0

  1984. 

  1985.     # --------------------------------------------------------------------------------------------------------

  1986.     # Misc

  1987. 

  1988.     @pyqtSlot(int)

  1989.     def slot_tabChanged(self, index):

  1990.         if index != 1:

  1991.             return

  1992. 

  1993.         self.ui.graphicsView.setFocus()

  1994. 

  1995.     @pyqtSlot(int)

  1996.     def slot_handleReloadAllCallback(self, pluginId):

  1997.         if pluginId >= self.fPluginCount:

  1998.             return

  1999. 

  2000.         pitem = self.fPluginList[pluginId]

  2001.         if pitem is None:

  2002.             return

  2003. 

  2004.         pitem.recreateWidget()

  2005. 

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

  2007. 

  2008.     @pyqtSlot(int, int, str)

  2009.     def slot_handleNSMCallback(self, value1, value2, valueStr):

  2010.         # Error

  2011.         if value1 == 0:

  2012.             pass

  2013. 

  2014.         # Reply

  2015.         elif value1 == 1:

  2016.             self.fFirstEngineInit    = False

  2017.             self.fSessionManagerName = valueStr

  2018.             self.setProperWindowTitle()

  2019. 

  2020.         # Open

  2021.         elif value1 == 2:

  2022.             self.fClientName      = os.path.basename(valueStr)

  2023.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  2024.             self.setProperWindowTitle()

  2025. 

  2026.             self.fCustomStopAction = 2

  2027.             self.slot_engineStop(True)

  2028.             return

  2029. 

  2030.         # Save

  2031.         elif value1 == 3:

  2032.             self.saveProjectNow()

  2033. 

  2034.         # Session is Loaded

  2035.         elif value1 == 4:

  2036.             pass

  2037. 

  2038.         # Show Optional Gui

  2039.         elif value1 == 5:

  2040.             self.show()

  2041. 

  2042.         # Hide Optional Gui

  2043.         elif value1 == 6:

  2044.             self.hide()

  2045. 

  2046.         self.host.nsm_ready(value1)

  2047. 

  2048.     # --------------------------------------------------------------------------------------------------------

  2049. 

  2050.     def fixLogText(self, text):

  2051.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  2052. 

  2053.     @pyqtSlot(int, int, int, float, str)

  2054.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valueStr):

  2055.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  2056. 

  2057.     @pyqtSlot(str)

  2058.     def slot_handleInfoCallback(self, info):

  2059.         QMessageBox.information(self, "Information", info)

  2060. 

  2061.     @pyqtSlot(str)

  2062.     def slot_handleErrorCallback(self, error):

  2063.         QMessageBox.critical(self, "Error", error)

  2064. 

  2065.     @pyqtSlot()

  2066.     def slot_handleQuitCallback(self):

  2067.         pass # TODO

  2068. 

  2069.     # --------------------------------------------------------------------------------------------------------

  2070. 

  2071.     @pyqtSlot()

  2072.     def slot_handleSIGUSR1(self):

  2073.         print("Got SIGUSR1 -> Saving project now")

  2074.         self.slot_fileSave()

  2075. 

  2076.     @pyqtSlot()

  2077.     def slot_handleSIGTERM(self):

  2078.         print("Got SIGTERM -> Closing now")

  2079.         self.fCustomStopAction = 1

  2080.         self.slot_engineStop(True)

  2081. 

  2082.     # --------------------------------------------------------------------------------------------------------

  2083.     # Internal stuff

  2084. 

  2085.     def getExtraPtr(self, plugin):

  2086.         ptype = plugin['type']

  2087. 

  2088.         if ptype == PLUGIN_LADSPA:

  2089.             uniqueId = plugin['uniqueId']

  2090. 

  2091.             self.maybeLoadRDFs()

  2092. 

  2093.             for rdfItem in self.fLadspaRdfList:

  2094.                 if rdfItem.UniqueID == uniqueId:

  2095.                     return pointer(rdfItem)

  2096. 

  2097.         elif ptype in (PLUGIN_GIG, PLUGIN_SF2):

  2098.             if plugin['name'].lower().endswith(" (16 outputs)"):

  2099.                 return self._true

  2100. 

  2101.         return None

  2102. 

  2103.     def maybeLoadRDFs(self):

  2104.         if not self.fLadspaRdfNeedsUpdate:

  2105.             return

  2106. 

  2107.         self.fLadspaRdfNeedsUpdate = False

  2108.         self.fLadspaRdfList = []

  2109. 

  2110.         if not haveLRDF:

  2111.             return

  2112. 

  2113.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  2114.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  2115. 

  2116.         if os.path.exists(frLadspaFile):

  2117.             frLadspa = open(frLadspaFile, 'r')

  2118. 

  2119.             try:

  2120.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  2121.             except:

  2122.                 pass

  2123. 

  2124.             frLadspa.close()

  2125. 

  2126.     # --------------------------------------------------------------------------------------------------------

  2127. 

  2128.     def getPluginCount(self):

  2129.         return self.fPluginCount

  2130. 

  2131.     def getPluginItem(self, pluginId):

  2132.         if pluginId >= self.fPluginCount:

  2133.             return None

  2134. 

  2135.         pitem = self.fPluginList[pluginId]

  2136.         if pitem is None:

  2137.             return None

  2138.         #if False:

  2139.             #return CarlaRackItem(self, 0, False)

  2140. 

  2141.         return pitem

  2142. 

  2143.     def getPluginEditDialog(self, pluginId):

  2144.         if pluginId >= self.fPluginCount:

  2145.             return None

  2146. 

  2147.         pitem = self.fPluginList[pluginId]

  2148.         if pitem is None:

  2149.             return None

  2150.         if False:

  2151.             return PluginEdit(self, self.host, 0)

  2152. 

  2153.         return pitem.getEditDialog()

  2154. 

  2155.     def getPluginSlotWidget(self, pluginId):

  2156.         if pluginId >= self.fPluginCount:

  2157.             return None

  2158. 

  2159.         pitem = self.fPluginList[pluginId]

  2160.         if pitem is None:

  2161.             return None

  2162.         #if False:

  2163.             #return AbstractPluginSlot()

  2164. 

  2165.         return pitem.getWidget()

  2166. 

  2167.     # --------------------------------------------------------------------------------------------------------

  2168. 

  2169.     def waitForPendingEvents(self):

  2170.         pass

  2171. 

  2172.     # --------------------------------------------------------------------------------------------------------

  2173.     # show/hide event

  2174. 

  2175.     def showEvent(self, event):

  2176.         self.refreshTransport(True)

  2177.         QMainWindow.showEvent(self, event)

  2178. 

  2179.         # set our gui as parent for all plugins UIs

  2180.         if self.host.manageUIs and not (self.host.isControl or self.host.isPlugin):

  2181.             if MACOS:

  2182.                 nsViewPtr = int(self.winId())

  2183.                 winIdStr  = "%x" % gCarla.utils.cocoa_get_window(nsViewPtr)

  2184.             else:

  2185.                 winIdStr = "%x" % int(self.winId())

  2186.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2187. 

  2188.     def hideEvent(self, event):

  2189.         # disable parent

  2190.         if not (self.host.isControl or self.host.isPlugin):

  2191.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2192. 

  2193.         QMainWindow.hideEvent(self, event)

  2194. 

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

  2196.     # resize event

  2197. 

  2198.     def fixCanvasPreviewSize(self):

  2199.         self.ui.patchbay.resize(self.ui.rack.size())

  2200.         self.slot_miniCanvasCheckSize()

  2201. 

  2202.     def resizeEvent(self, event):

  2203.         QMainWindow.resizeEvent(self, event)

  2204. 

  2205.         if self.ui.tabWidget.currentIndex() != 1:

  2206.             size = self.ui.rack.size()

  2207.             self.ui.patchbay.resize(size)

  2208. 

  2209.         self.slot_miniCanvasCheckSize()

  2210. 

  2211.     # --------------------------------------------------------------------------------------------------------

  2212.     # timer event

  2213. 

  2214.     def idleFast(self):

  2215.         self.host.engine_idle()

  2216.         self.refreshTransport()

  2217. 

  2218.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2219.             return

  2220. 

  2221.         for pitem in self.fPluginList:

  2222.             if pitem is None:

  2223.                 break

  2224. 

  2225.             pitem.getWidget().idleFast()

  2226. 

  2227.         for pluginId in self.fSelectedPlugins:

  2228.             self.fPeaksCleared = False

  2229.             if self.ui.peak_in.isVisible():

  2230.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  2231.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  2232.             if self.ui.peak_out.isVisible():

  2233.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  2234.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  2235.             return

  2236. 

  2237.         if self.fPeaksCleared:

  2238.             return

  2239. 

  2240.         self.fPeaksCleared = True

  2241.         self.ui.peak_in.displayMeter(1, 0.0, True)

  2242.         self.ui.peak_in.displayMeter(2, 0.0, True)

  2243.         self.ui.peak_out.displayMeter(1, 0.0, True)

  2244.         self.ui.peak_out.displayMeter(2, 0.0, True)

  2245. 

  2246.     def idleSlow(self):

  2247.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  2248.             return

  2249. 

  2250.         for pitem in self.fPluginList:

  2251.             if pitem is None:

  2252.                 break

  2253. 

  2254.             pitem.getWidget().idleSlow()

  2255. 

  2256.     def timerEvent(self, event):

  2257.         if event.timerId() == self.fIdleTimerFast:

  2258.             self.idleFast()

  2259. 

  2260.         elif event.timerId() == self.fIdleTimerSlow:

  2261.             self.idleSlow()

  2262. 

  2263.         QMainWindow.timerEvent(self, event)

  2264. 

  2265.     # --------------------------------------------------------------------------------------------------------

  2266.     # paint event

  2267. 

  2268.     #def paintEvent(self, event):

  2269.         #QMainWindow.paintEvent(self, event)

  2270. 

  2271.         #if MACOS or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  2272.             #return

  2273. 

  2274.         #painter = QPainter(self)

  2275.         #painter.setBrush(QColor(36, 36, 36))

  2276.         #painter.setPen(QColor(62, 62, 62))

  2277.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  2278. 

  2279.     # --------------------------------------------------------------------------------------------------------

  2280.     # close event

  2281. 

  2282.     def closeEvent(self, event):

  2283.         self.killTimers()

  2284.         self.saveSettings()

  2285. 

  2286.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  2287.             if not self.slot_engineStop(True):

  2288.                 self.fCustomStopAction = 1

  2289.                 event.ignore()

  2290.                 return

  2291. 

  2292.         QMainWindow.closeEvent(self, event)

  2293. 

  2294. # ------------------------------------------------------------------------------------------------

  2295. # Canvas callback

  2296. 

  2297. def canvasCallback(action, value1, value2, valueStr):

  2298.     host = gCarla.gui.host

  2299. 

  2300.     if action == patchcanvas.ACTION_GROUP_INFO:

  2301.         pass

  2302. 

  2303.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  2304.         pass

  2305. 

  2306.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  2307.         groupId = value1

  2308.         patchcanvas.splitGroup(groupId)

  2309.         gCarla.gui.updateMiniCanvasLater()

  2310. 

  2311.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  2312.         groupId = value1

  2313.         patchcanvas.joinGroup(groupId)

  2314.         gCarla.gui.updateMiniCanvasLater()

  2315. 

  2316.     elif action == patchcanvas.ACTION_PORT_INFO:

  2317.         pass

  2318. 

  2319.     elif action == patchcanvas.ACTION_PORT_RENAME:

  2320.         pass

  2321. 

  2322.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  2323.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")]

  2324. 

  2325.         if not host.patchbay_connect(gOut, pOut, gIn, pIn):

  2326.             print("Connection failed:", host.get_last_error())

  2327. 

  2328.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  2329.         connectionId = value1

  2330. 

  2331.         if not host.patchbay_disconnect(connectionId):

  2332.             print("Disconnect failed:", host.get_last_error())

  2333. 

  2334.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  2335.         pluginId = value1

  2336. 

  2337.         if not host.clone_plugin(pluginId):

  2338.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2339.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2340. 

  2341.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  2342.         pluginId = value1

  2343.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2344. 

  2345.         if pwidget is not None:

  2346.             pwidget.showEditDialog()

  2347. 

  2348.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  2349.         pluginId = value1

  2350.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2351. 

  2352.         if pwidget is not None:

  2353.             pwidget.showRenameDialog()

  2354. 

  2355.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  2356.         pluginId = value1

  2357.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2358. 

  2359.         if pwidget is not None:

  2360.             pwidget.showReplaceDialog()

  2361. 

  2362.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  2363.         pluginId = value1

  2364. 

  2365.         if not host.remove_plugin(pluginId):

  2366.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  2367.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2368. 

  2369.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  2370.         pluginId = value1

  2371.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  2372. 

  2373.         if pwidget is not None:

  2374.             pwidget.showCustomUI()

  2375. 

  2376.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  2377.         gCarla.gui.showPluginActionsMenu()

  2378. 

  2379. # ------------------------------------------------------------------------------------------------------------

  2380. # Engine callback

  2381. 

  2382. def engineCallback(host, action, pluginId, value1, value2, value3, valueStr):

  2383.     # kdevelop likes this :)

  2384.     if False: host = CarlaHostNull()

  2385. 

  2386.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  2387.         host.processMode   = value1

  2388.         host.transportMode = value2

  2389.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2390.         host.processMode   = value1

  2391.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2392.         host.transportMode = value1

  2393. 

  2394.     valueStr = charPtrToString(valueStr)

  2395. 

  2396.     if action == ENGINE_CALLBACK_DEBUG:

  2397.         host.DebugCallback.emit(pluginId, value1, value2, value3, valueStr)

  2398.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  2399.         host.PluginAddedCallback.emit(pluginId, valueStr)

  2400.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  2401.         host.PluginRemovedCallback.emit(pluginId)

  2402.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  2403.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  2404.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  2405.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  2406.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  2407.         host.ParameterValueChangedCallback.emit(pluginId, value1, value3)

  2408.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  2409.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, value3)

  2410.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CC_CHANGED:

  2411.         host.ParameterMidiCcChangedCallback.emit(pluginId, value1, value2)

  2412.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  2413.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  2414.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  2415.         host.ProgramChangedCallback.emit(pluginId, value1)

  2416.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  2417.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  2418.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  2419.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  2420.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  2421.         host.UiStateChangedCallback.emit(pluginId, value1)

  2422.     elif action == ENGINE_CALLBACK_NOTE_ON:

  2423.         host.NoteOnCallback.emit(pluginId, value1, value2, round(value3))

  2424.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  2425.         host.NoteOffCallback.emit(pluginId, value1, value2)

  2426.     elif action == ENGINE_CALLBACK_UPDATE:

  2427.         host.UpdateCallback.emit(pluginId)

  2428.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  2429.         host.ReloadInfoCallback.emit(pluginId)

  2430.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  2431.         host.ReloadParametersCallback.emit(pluginId)

  2432.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  2433.         host.ReloadProgramsCallback.emit(pluginId)

  2434.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  2435.         host.ReloadAllCallback.emit(pluginId)

  2436.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  2437.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  2438.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  2439.         host.PatchbayClientRemovedCallback.emit(pluginId)

  2440.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  2441.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  2442.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  2443.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  2444.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  2445.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, valueStr)

  2446.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  2447.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  2448.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_RENAMED:

  2449.         host.PatchbayPortRenamedCallback.emit(pluginId, value1, valueStr)

  2450.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  2451.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  2452.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  2453.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  2454.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  2455.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  2456.         host.EngineStartedCallback.emit(value1, value2, value3, valueStr)

  2457.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  2458.         host.EngineStoppedCallback.emit()

  2459.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  2460.         host.ProcessModeChangedCallback.emit(value1)

  2461.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  2462.         host.TransportModeChangedCallback.emit(value1)

  2463.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  2464.         host.BufferSizeChangedCallback.emit(value1)

  2465.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  2466.         host.SampleRateChangedCallback.emit(value3)

  2467.     elif action == ENGINE_CALLBACK_PROJECT_LOAD_FINISHED:

  2468.         host.ProjectLoadFinishedCallback.emit()

  2469.     elif action == ENGINE_CALLBACK_NSM:

  2470.         host.NSMCallback.emit(value1, value2, valueStr)

  2471.     elif action == ENGINE_CALLBACK_IDLE:

  2472.         QApplication.instance().processEvents()

  2473.     elif action == ENGINE_CALLBACK_INFO:

  2474.         host.InfoCallback.emit(valueStr)

  2475.     elif action == ENGINE_CALLBACK_ERROR:

  2476.         host.ErrorCallback.emit(valueStr)

  2477.     elif action == ENGINE_CALLBACK_QUIT:

  2478.         host.QuitCallback.emit()

  2479. 

  2480. # ------------------------------------------------------------------------------------------------------------

  2481. # File callback

  2482. 

  2483. def fileCallback(ptr, action, isDir, title, filter):

  2484.     ret = ("", "") if config_UseQt5 else ""

  2485. 

  2486.     if action == FILE_CALLBACK_DEBUG:

  2487.         pass

  2488.     elif action == FILE_CALLBACK_OPEN:

  2489.         ret = QFileDialog.getOpenFileName(gCarla.gui, charPtrToString(title), "", charPtrToString(filter) ) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  2490.     elif action == FILE_CALLBACK_SAVE:

  2491.         ret = QFileDialog.getSaveFileName(gCarla.gui, charPtrToString(title), "", charPtrToString(filter), QFileDialog.ShowDirsOnly if isDir else 0x0)

  2492. 

  2493.     if config_UseQt5:

  2494.         ret = ret[0]

  2495.     if not ret:

  2496.         return None

  2497. 

  2498.     # FIXME

  2499.     global fileRet

  2500.     fileRet = c_char_p(ret.encode("utf-8"))

  2501.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  2502.     return retval.contents.value

  2503. 

  2504. # ------------------------------------------------------------------------------------------------------------

  2505. # Init host

  2506. 

  2507. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  2508.     pathBinaries, pathResources = getPaths(libPrefix)

  2509. 

  2510.     # --------------------------------------------------------------------------------------------------------

  2511.     # Check if we should open main lib as local or global

  2512. 

  2513.     settings = QSettings("falkTX", "Carla2")

  2514. 

  2515.     try:

  2516.         loadGlobal = settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL, CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL, type=bool)

  2517.     except:

  2518.         loadGlobal = CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL

  2519. 

  2520.     # --------------------------------------------------------------------------------------------------------

  2521.     # Fail if binary dir is not found

  2522. 

  2523.     if not os.path.exists(pathBinaries):

  2524.         if failError:

  2525.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  2526.             sys.exit(1)

  2527.         return

  2528. 

  2529.     # --------------------------------------------------------------------------------------------------------

  2530.     # Set Carla library name

  2531. 

  2532.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  2533.     libname   = os.path.join(pathBinaries, libname)

  2534.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  2535. 

  2536.     # --------------------------------------------------------------------------------------------------------

  2537.     # Print info

  2538. 

  2539.     print("Carla %s started, status:" % VERSION)

  2540.     print("  Python version: %s" % sys.version.split(" ",1)[0])

  2541.     print("  Qt version:     %s" % qVersion())

  2542.     print("  PyQt version:   %s" % PYQT_VERSION_STR)

  2543.     print("  Binary dir:     %s" % pathBinaries)

  2544.     print("  Resources dir:  %s" % pathResources)

  2545. 

  2546.     # --------------------------------------------------------------------------------------------------------

  2547.     # Init host

  2548. 

  2549.     if failError:

  2550.         # no try

  2551.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2552.     else:

  2553.         try:

  2554.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  2555.         except:

  2556.             host = CarlaHostQtNull()

  2557. 

  2558.     host.isControl = isControl

  2559.     host.isPlugin  = isPlugin

  2560. 

  2561.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vs: engineCallback(host,a,p,v1,v2,v3,vs))

  2562.     host.set_file_callback(fileCallback)

  2563. 

  2564.     # If it's a plugin the paths are already set

  2565.     if not isPlugin:

  2566.         host.pathBinaries  = pathBinaries

  2567.         host.pathResources = pathResources

  2568.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  2569.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  2570. 

  2571.         if not isControl:

  2572.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  2573. 

  2574.     # --------------------------------------------------------------------------------------------------------

  2575.     # Init utils

  2576. 

  2577.     gCarla.utils = CarlaUtils(utilsname)

  2578.     gCarla.utils.set_process_name(os.path.basename(initName))

  2579. 

  2580.     try:

  2581.         sys.stdout.flush()

  2582.     except:

  2583.         pass

  2584. 

  2585.     sys.stdout = CarlaPrint(False)

  2586.     sys.stderr = CarlaPrint(True)

  2587. 

  2588.     if config_UseQt5:

  2589.         sys.excepthook = sys_excepthook

  2590. 

  2591.     # --------------------------------------------------------------------------------------------------------

  2592.     # Done

  2593. 

  2594.     return host

  2595. 

  2596. # ------------------------------------------------------------------------------------------------------------

  2597. # Load host settings

  2598. 

  2599. def loadHostSettings(host):

  2600.     # kdevelop likes this :)

  2601.     if False: host = CarlaHostNull()

  2602. 

  2603.     settings = QSettings("falkTX", "Carla2")

  2604. 

  2605.     try:

  2606.         host.experimental = settings.value(CARLA_KEY_MAIN_EXPERIMENTAL, CARLA_DEFAULT_MAIN_EXPERIMENTAL, type=bool)

  2607.     except:

  2608.         host.experimental = CARLA_DEFAULT_MAIN_EXPERIMENTAL

  2609. 

  2610.     try:

  2611.         host.exportLV2 = settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2, CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT, type=bool)

  2612.     except:

  2613.         host.exportLV2 = CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT

  2614. 

  2615.     try:

  2616.         host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, type=bool)

  2617.     except:

  2618.         host.manageUIs = CARLA_DEFAULT_MANAGE_UIS

  2619. 

  2620.     try:

  2621.         host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, type=int)

  2622.     except:

  2623.         host.maxParameters = CARLA_DEFAULT_MAX_PARAMETERS

  2624. 

  2625.     try:

  2626.         host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, type=bool)

  2627.     except:

  2628.         host.forceStereo = CARLA_DEFAULT_FORCE_STEREO

  2629. 

  2630.     try:

  2631.         host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, type=bool)

  2632.     except:

  2633.         host.preferPluginBridges = CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES

  2634. 

  2635.     try:

  2636.         host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, type=bool)

  2637.     except:

  2638.         host.preferUIBridges = CARLA_DEFAULT_PREFER_UI_BRIDGES

  2639. 

  2640.     try:

  2641.         host.preventBadBehaviour = settings.value(CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, type=bool)

  2642.     except:

  2643.         host.preventBadBehaviour = CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR

  2644. 

  2645.     try:

  2646.         host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, type=bool)

  2647.     except:

  2648.         host.showLogs = CARLA_DEFAULT_MAIN_SHOW_LOGS

  2649. 

  2650.     try:

  2651.         host.showPluginBridges = settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, type=bool)

  2652.     except:

  2653.         host.showPluginBridges = CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES

  2654. 

  2655.     try:

  2656.         host.showWineBridges = settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, type=bool)

  2657.     except:

  2658.         host.showWineBridges = CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES

  2659. 

  2660.     try:

  2661.         host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, type=int)

  2662.     except:

  2663.         host.uiBridgesTimeout = CARLA_DEFAULT_UI_BRIDGES_TIMEOUT

  2664. 

  2665.     try:

  2666.         host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, type=bool)

  2667.     except:

  2668.         host.uisAlwaysOnTop = CARLA_DEFAULT_UIS_ALWAYS_ON_TOP

  2669. 

  2670.     if host.isPlugin:

  2671.         return

  2672. 

  2673.     # enums

  2674.     if host.audioDriverForced is None:

  2675.         try:

  2676.             host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, type=int)

  2677.         except:

  2678.             host.transportMode = CARLA_DEFAULT_TRANSPORT_MODE

  2679. 

  2680.     if not host.processModeForced:

  2681.         try:

  2682.             host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, type=int)

  2683.         except:

  2684.             host.processMode = CARLA_DEFAULT_PROCESS_MODE

  2685. 

  2686.     host.nextProcessMode = host.processMode

  2687. 

  2688.     # --------------------------------------------------------------------------------------------------------

  2689.     # fix things if needed

  2690. 

  2691.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS and LADISH_APP_NAME:

  2692.         print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  2693.         host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  2694. 

  2695.     if gCarla.nogui:

  2696.         host.showLogs = False

  2697. 

  2698.     # --------------------------------------------------------------------------------------------------------

  2699.     # run headless host now if nogui option enabled

  2700. 

  2701.     if gCarla.nogui:

  2702.         runHostWithoutUI(host)

  2703. 

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

  2705. # Set host settings

  2706. 

  2707. def setHostSettings(host):

  2708.     # kdevelop likes this :)

  2709.     if False: host = CarlaHostNull()

  2710. 

  2711.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  2712.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  2713.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  2714.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  2715.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  2716.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  2717.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  2718.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  2719. 

  2720.     if host.isPlugin:

  2721.         return

  2722. 

  2723.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  2724.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       "")

  2725. 

  2726. # ------------------------------------------------------------------------------------------------------------

  2727. # Set Engine settings according to carla preferences. Returns selected audio driver.

  2728. 

  2729. def setEngineSettings(host):

  2730.     # kdevelop likes this :)

  2731.     if False: host = CarlaHostNull()

  2732. 

  2733.     # --------------------------------------------------------------------------------------------------------

  2734.     # do nothing if control

  2735. 

  2736.     if host.isControl:

  2737.         return "Control"

  2738. 

  2739.     # --------------------------------------------------------------------------------------------------------

  2740. 

  2741.     settings = QSettings("falkTX", "Carla2")

  2742. 

  2743.     # --------------------------------------------------------------------------------------------------------

  2744.     # main settings

  2745. 

  2746.     setHostSettings(host)

  2747. 

  2748.     # --------------------------------------------------------------------------------------------------------

  2749.     # plugin paths

  2750. 

  2751.     LADSPA_PATH = toList(settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH))

  2752.     DSSI_PATH   = toList(settings.value(CARLA_KEY_PATHS_DSSI,   CARLA_DEFAULT_DSSI_PATH))

  2753.     LV2_PATH    = toList(settings.value(CARLA_KEY_PATHS_LV2,    CARLA_DEFAULT_LV2_PATH))

  2754.     VST2_PATH   = toList(settings.value(CARLA_KEY_PATHS_VST2,   CARLA_DEFAULT_VST2_PATH))

  2755.     GIG_PATH    = toList(settings.value(CARLA_KEY_PATHS_GIG,    CARLA_DEFAULT_GIG_PATH))

  2756.     SF2_PATH    = toList(settings.value(CARLA_KEY_PATHS_SF2,    CARLA_DEFAULT_SF2_PATH))

  2757.     SFZ_PATH    = toList(settings.value(CARLA_KEY_PATHS_SFZ,    CARLA_DEFAULT_SFZ_PATH))

  2758. 

  2759.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, splitter.join(LADSPA_PATH))

  2760.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI,   splitter.join(DSSI_PATH))

  2761.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2,    splitter.join(LV2_PATH))

  2762.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2,   splitter.join(VST2_PATH))

  2763.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_GIG,    splitter.join(GIG_PATH))

  2764.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2,    splitter.join(SF2_PATH))

  2765.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ,    splitter.join(SFZ_PATH))

  2766. 

  2767.     # --------------------------------------------------------------------------------------------------------

  2768.     # don't continue if plugin

  2769. 

  2770.     if host.isPlugin:

  2771.         return "Plugin"

  2772. 

  2773.     # --------------------------------------------------------------------------------------------------------

  2774.     # driver and device settings

  2775. 

  2776.     # driver name

  2777.     if host.audioDriverForced is not None:

  2778.         audioDriver = host.audioDriverForced

  2779.     else:

  2780.         try:

  2781.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, type=str)

  2782.         except:

  2783.             audioDriver = CARLA_DEFAULT_AUDIO_DRIVER

  2784. 

  2785.     # driver options

  2786.     try:

  2787.         audioDevice = settings.value("%s%s/Device" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), "", type=str)

  2788.     except:

  2789.         audioDevice = ""

  2790. 

  2791.     try:

  2792.         audioNumPeriods = settings.value("%s%s/NumPeriods" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_NUM_PERIODS, type=int)

  2793.     except:

  2794.         audioNumPeriods = CARLA_DEFAULT_AUDIO_NUM_PERIODS

  2795. 

  2796.     try:

  2797.         audioBufferSize = settings.value("%s%s/BufferSize" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_BUFFER_SIZE, type=int)

  2798.     except:

  2799.         audioBufferSize = CARLA_DEFAULT_AUDIO_BUFFER_SIZE

  2800. 

  2801.     try:

  2802.         audioSampleRate = settings.value("%s%s/SampleRate" % (CARLA_KEY_ENGINE_DRIVER_PREFIX, audioDriver), CARLA_DEFAULT_AUDIO_SAMPLE_RATE, type=int)

  2803.     except:

  2804.         audioSampleRate = CARLA_DEFAULT_AUDIO_SAMPLE_RATE

  2805. 

  2806.     host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE,      0,               audioDevice)

  2807.     host.set_engine_option(ENGINE_OPTION_AUDIO_NUM_PERIODS, audioNumPeriods, "")

  2808.     host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, audioBufferSize, "")

  2809.     host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, audioSampleRate, "")

  2810. 

  2811.     # --------------------------------------------------------------------------------------------------------

  2812.     # fix things if needed

  2813. 

  2814.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  2815.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  2816.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, "")

  2817. 

  2818.     # --------------------------------------------------------------------------------------------------------

  2819.     # wine settings

  2820. 

  2821.     optWineExecutable = settings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, type=str)

  2822.     optWineAutoPrefix = settings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, type=bool)

  2823.     optWineFallbackPrefix = settings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, type=str)

  2824.     optWineRtPrioEnabled = settings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, type=bool)

  2825.     optWineBaseRtPrio = settings.value(CARLA_KEY_WINE_BASE_RT_PRIO,   CARLA_DEFAULT_WINE_BASE_RT_PRIO, type=int)

  2826.     optWineServerRtPrio = settings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, type=int)

  2827. 

  2828.     host.set_engine_option(ENGINE_OPTION_WINE_EXECUTABLE, 0, optWineExecutable)

  2829.     host.set_engine_option(ENGINE_OPTION_WINE_AUTO_PREFIX, 1 if optWineAutoPrefix else 0, "")

  2830.     host.set_engine_option(ENGINE_OPTION_WINE_FALLBACK_PREFIX, 0, os.path.expanduser(optWineFallbackPrefix))

  2831.     host.set_engine_option(ENGINE_OPTION_WINE_RT_PRIO_ENABLED, 1 if optWineRtPrioEnabled else 0, "")

  2832.     host.set_engine_option(ENGINE_OPTION_WINE_BASE_RT_PRIO, optWineBaseRtPrio, "")

  2833.     host.set_engine_option(ENGINE_OPTION_WINE_SERVER_RT_PRIO, optWineServerRtPrio, "")

  2834. 

  2835.     # --------------------------------------------------------------------------------------------------------

  2836.     # return selected driver name

  2837. 

  2838.     return audioDriver

  2839. 

  2840. # ------------------------------------------------------------------------------------------------------------

  2841. # Run Carla without showing UI

  2842. 

  2843. def runHostWithoutUI(host):

  2844.     # kdevelop likes this :)

  2845.     if False: host = CarlaHostNull()

  2846. 

  2847.     # --------------------------------------------------------------------------------------------------------

  2848.     # Some initial checks

  2849. 

  2850.     if not gCarla.nogui:

  2851.         return

  2852. 

  2853.     projectFile = getInitialProjectFile(QCoreApplication.instance(), True)

  2854. 

  2855.     if not projectFile:

  2856.         print("Carla no-gui mode can only be used together with a project file.")

  2857.         sys.exit(1)

  2858. 

  2859.     # --------------------------------------------------------------------------------------------------------

  2860.     # Additional imports

  2861. 

  2862.     from time import sleep

  2863. 

  2864.     # --------------------------------------------------------------------------------------------------------

  2865.     # Init engine

  2866. 

  2867.     audioDriver = setEngineSettings(host)

  2868.     if not host.engine_init(audioDriver, "Carla"):

  2869.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  2870.         sys.exit(1)

  2871. 

  2872.     if not host.load_project(projectFile):

  2873.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  2874.         host.engine_close()

  2875.         sys.exit(1)

  2876. 

  2877.     # --------------------------------------------------------------------------------------------------------

  2878.     # Idle

  2879. 

  2880.     while host.is_engine_running() and not gCarla.term:

  2881.         host.engine_idle()

  2882.         sleep(0.5)

  2883. 

  2884.     # --------------------------------------------------------------------------------------------------------

  2885.     # Stop

  2886. 

  2887.     host.engine_close()

  2888.     sys.exit(0)

  2889. 

  2890. # ------------------------------------------------------------------------------------------------------------