falkTX
/
Carla
mirror of https://github.com/falkTX/Carla
1
0
Fork 0
Code Releases 43 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.
7028 Commits
17 Branches
992MB
Tree: 08a28b71cc
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '08a28b71cc'
${ noResults }
Carla/source/frontend/carla_host.py

3860 lines
157KB
Raw Blame History 

  1. #!/usr/bin/env python3

  2. # SPDX-FileCopyrightText: 2011-2025 Filipe Coelho <falktx@falktx.com>

  3. # SPDX-License-Identifier: GPL-2.0-or-later

  4. 

  5. # ------------------------------------------------------------------------------------------------------------

  6. # Imports (Global)

  7. 

  8. import json

  9. 

  10. # ------------------------------------------------------------------------------------------------------------

  11. # Imports (ctypes)

  12. 

  13. from ctypes import (

  14.     byref, pointer

  15. )

  16. 

  17. # ------------------------------------------------------------------------------------------------------------

  18. # Imports (PyQt)

  19. 

  20. from qt_compat import qt_config

  21. 

  22. if qt_config == 5:

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

  24.     try:

  25.         from PyQt5.Qt import PYQT_VERSION

  26.     except ImportError:

  27.         PYQT_VERSION = 0x50600

  28. 

  29.     from PyQt5.QtCore import (

  30.         QT_VERSION,

  31.         qCritical,

  32.         QBuffer,

  33.         QEvent,

  34.         QEventLoop,

  35.         QFileInfo,

  36.         QIODevice,

  37.         QMimeData,

  38.         QModelIndex,

  39.         QPointF,

  40.         QTimer,

  41.     )

  42.     from PyQt5.QtGui import (

  43.         QBrush,

  44.         QImage,

  45.         QImageWriter,

  46.         QPainter,

  47.         QPalette,

  48.     )

  49.     from PyQt5.QtWidgets import (

  50.         QAction,

  51.         QApplication,

  52.         QInputDialog,

  53.         QFileSystemModel,

  54.         QListWidgetItem,

  55.         QGraphicsView,

  56.         QMainWindow,

  57.         QToolButton,

  58.     )

  59. 

  60. elif qt_config == 6:

  61.     from PyQt6.QtCore import (

  62.         PYQT_VERSION,

  63.         QT_VERSION,

  64.         qCritical,

  65.         QBuffer,

  66.         QEvent,

  67.         QEventLoop,

  68.         QFileInfo,

  69.         QIODevice,

  70.         QMimeData,

  71.         QModelIndex,

  72.         QPointF,

  73.         QTimer,

  74.     )

  75.     from PyQt6.QtGui import (

  76.         QAction,

  77.         QBrush,

  78.         QFileSystemModel,

  79.         QImage,

  80.         QImageWriter,

  81.         QPainter,

  82.         QPalette,

  83.     )

  84.     from PyQt6.QtWidgets import (

  85.         QApplication,

  86.         QInputDialog,

  87.         QListWidgetItem,

  88.         QGraphicsView,

  89.         QMainWindow,

  90.         QToolButton,

  91.     )

  92. 

  93. # ------------------------------------------------------------------------------------------------------------

  94. # Imports (Custom)

  95. 

  96. import ui_carla_host

  97. 

  98. from carla_app import *

  99. from carla_backend import *

  100. from carla_backend_qt import CarlaHostQtDLL, CarlaHostQtNull

  101. from carla_frontend import CarlaFrontendLib

  102. from carla_shared import *

  103. from carla_settings import *

  104. from carla_utils import *

  105. from carla_widgets import *

  106. from carla_skin import *

  107. 

  108. from patchcanvas import patchcanvas

  109. from widgets.digitalpeakmeter import DigitalPeakMeter

  110. from widgets.pixmapkeyboard import PixmapKeyboardHArea

  111. 

  112. # ------------------------------------------------------------------------------------------------------------

  113. # Try Import OpenGL

  114. 

  115. try:

  116.     if qt_config == 5:

  117.         from PyQt5.QtOpenGL import QGLWidget

  118.     elif qt_config == 6:

  119.         from PyQt6.QtOpenGL import QGLWidget

  120.     hasGL = True

  121. except:

  122.     hasGL = False

  123. 

  124. # ------------------------------------------------------------------------------------------------------------

  125. # Safe exception hook, needed for PyQt5

  126. 

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

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

  129. 

  130. # ------------------------------------------------------------------------------------------------------------

  131. # Session Management support

  132. 

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

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

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

  136. 

  137. # ------------------------------------------------------------------------------------------------------------

  138. # Small print helper

  139. 

  140. def processMode2Str(processMode):

  141.     if processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT:

  142.         return "Single client"

  143.     if processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  144.         return "Multi client"

  145.     if processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK:

  146.         return "Continuous Rack"

  147.     if processMode == ENGINE_PROCESS_MODE_PATCHBAY:

  148.         return "Patchbay"

  149.     if processMode == ENGINE_PROCESS_MODE_BRIDGE:

  150.         return "Bridge"

  151.     return "Unknown"

  152. 

  153. # ------------------------------------------------------------------------------------------------------------

  154. # Carla Print class

  155. 

  156. class CarlaPrint:

  157.     def __init__(self, err):

  158.         self.err = err

  159. 

  160.     def flush(self):

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

  162. 

  163.     def write(self, string):

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

  165. 

  166. # ------------------------------------------------------------------------------------------------------------

  167. # Host Window

  168. 

  169. class HostWindow(QMainWindow):

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

  171.     # signals

  172.     SIGTERM = pyqtSignal()

  173.     SIGUSR1 = pyqtSignal()

  174. 

  175.     # CustomActions

  176.     CUSTOM_ACTION_NONE         = 0

  177.     CUSTOM_ACTION_APP_CLOSE    = 1

  178.     CUSTOM_ACTION_PROJECT_LOAD = 2

  179. 

  180.     # --------------------------------------------------------------------------------------------------------

  181. 

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

  183.         QMainWindow.__init__(self, parent)

  184.         self.host = host

  185.         self.ui = ui_carla_host.Ui_CarlaHostW()

  186.         self.ui.setupUi(self)

  187.         gCarla.gui = self

  188. 

  189.         if False:

  190.             # kdevelop likes this :)

  191.             host = CarlaHostNull()

  192.             self.host = host

  193. 

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

  195. 

  196.         self.fParentOrSelf = parent or self

  197. 

  198.         # ----------------------------------------------------------------------------------------------------

  199.         # Internal stuff

  200. 

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

  202.         self.fIdleTimerFast = 0

  203.         self.fIdleTimerSlow = 0

  204. 

  205.         self.fLadspaRdfNeedsUpdate = True

  206.         self.fLadspaRdfList = []

  207. 

  208.         self.fPluginCount = 0

  209.         self.fPluginList  = []

  210. 

  211.         self.fPluginListDialog = None

  212.         self.fFavoritePlugins = []

  213. 

  214.         self.fProjectFilename  = ""

  215.         self.fIsProjectLoading = False

  216.         self.fCurrentlyRemovingAllPlugins = False

  217.         self.fHasLoadedLv2Plugins = False

  218. 

  219.         self.fLastTransportBPM   = 0.0

  220.         self.fLastTransportFrame = 0

  221.         self.fLastTransportState = False

  222.         self.fBufferSize         = 0

  223.         self.fSampleRate         = 0.0

  224.         self.fOscAddressTCP      = ""

  225.         self.fOscAddressUDP      = ""

  226. 

  227.         self.slowTimer = 0

  228. 

  229.         if CARLA_OS_MAC:

  230.             self.fMacClosingHelper = True

  231. 

  232.         # CancelableActionCallback Box

  233.         self.fCancelableActionBox = None

  234. 

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

  236.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  237. 

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

  239.         self.fFirstEngineInit = True

  240. 

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

  242.         self.fSavedSettings = {}

  243. 

  244.         # true if NSM server handles our window management

  245.         self.fWindowCloseHideGui = False

  246. 

  247.         if host.isControl:

  248.             self.fClientName         = "Carla-Control"

  249.             self.fSessionManagerName = "Control"

  250.         elif host.isPlugin:

  251.             self.fClientName         = "Carla-Plugin"

  252.             self.fSessionManagerName = "Plugin"

  253.         elif LADISH_APP_NAME:

  254.             self.fClientName         = LADISH_APP_NAME

  255.             self.fSessionManagerName = ""

  256.         elif NSM_URL and host.nsmOK:

  257.             self.fClientName         = "Carla.tmp"

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

  259.             self.fWindowCloseHideGui = True

  260.         else:

  261.             self.fClientName         = CARLA_CLIENT_NAME or "Carla"

  262.             self.fSessionManagerName = ""

  263. 

  264.         # ----------------------------------------------------------------------------------------------------

  265.         # Internal stuff (patchbay)

  266. 

  267.         self.fPeaksCleared = True

  268. 

  269.         self.fExternalPatchbay = False

  270.         self.fSelectedPlugins  = []

  271. 

  272.         self.fCanvasWidth  = 0

  273.         self.fCanvasHeight = 0

  274.         self.fMiniCanvasUpdateTimeout = 0

  275. 

  276.         self.fWithCanvas = withCanvas

  277. 

  278.         self.fTweaks = {}

  279. 

  280.         # ----------------------------------------------------------------------------------------------------

  281.         # Internal stuff (logs)

  282. 

  283.         self.autoscrollOnNewLog = True

  284.         self.lastLogSliderPos = 0

  285. 

  286.         # ----------------------------------------------------------------------------------------------------

  287.         # Set up GUI (engine stopped)

  288. 

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

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

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

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

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

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

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

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

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

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

  299. 

  300.             if self.host.isControl:

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

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

  303.                 self.ui.act_file_reload.setVisible(False)

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

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

  306.             else:

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

  308. 

  309.                 if not withCanvas:

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

  311. 

  312.         else:

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

  314. 

  315.             if CARLA_OS_WIN:

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

  317. 

  318.         if self.host.isControl:

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

  320.         else:

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

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

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

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

  325. 

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

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

  328. 

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

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

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

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

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

  334.         # self.ui.act_plugin_remove_all.setEnabled(False)

  335.         self.setMenuMacrosEnabled(False)

  336. 

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

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

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

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

  341. 

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

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

  344. 

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

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

  347. 

  348.         if not withCanvas:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  366.             self.ui.tw_miniCanvas.hide()

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

  368.             if CARLA_OS_WIN:

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

  370. 

  371.         # ----------------------------------------------------------------------------------------------------

  372.         # Set up GUI (disk)

  373. 

  374.         exts = gCarla.utils.get_supported_file_extensions()

  375. 

  376.         self.fDirModel = QFileSystemModel(self)

  377.         self.fDirModel.setRootPath(HOME)

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

  379. 

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

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

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

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

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

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

  386. 

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

  388.         # Set up GUI (transport)

  389. 

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

  391.         minValueWidth = fontMetricsHorizontalAdvance(fontMetrics, "000|00|0000")

  392.         minLabelWidth = fontMetricsHorizontalAdvance(fontMetrics, self.ui.label_transport_frame.text())

  393. 

  394.         labelTimeWidth = fontMetricsHorizontalAdvance(fontMetrics, self.ui.label_transport_time.text())

  395.         labelBBTWidth  = fontMetricsHorizontalAdvance(fontMetrics, self.ui.label_transport_bbt.text())

  396. 

  397.         if minLabelWidth < labelTimeWidth:

  398.             minLabelWidth = labelTimeWidth

  399.         if minLabelWidth < labelBBTWidth:

  400.             minLabelWidth = labelBBTWidth

  401. 

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

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

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

  405. 

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

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

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

  409. 

  410.         if host.isPlugin:

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

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

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

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

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

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

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

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

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

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

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

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

  423. 

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

  425. 

  426.         # ----------------------------------------------------------------------------------------------------

  427.         # Set up GUI (rack)

  428. 

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

  430. 

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

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

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

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

  435. 

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

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

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

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

  440. 

  441.         self.updateStyle()

  442. 

  443.         self.ui.rack.setStyleSheet("""

  444.           CarlaRackList#CarlaRackList {

  445.             background-color: black;

  446.           }

  447.         """)

  448. 

  449.         # ----------------------------------------------------------------------------------------------------

  450.         # Set up GUI (patchbay)

  451. 

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

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

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

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

  456. 

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

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

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

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

  461. 

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

  463.         self.ui.keyboard   = self.ui.scrollArea.keyboard

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

  465. 

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

  467. 

  468.         self.ui.miniCanvasPreview.setRealParent(self)

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

  470. 

  471.         # ----------------------------------------------------------------------------------------------------

  472.         # Set up GUI (logs)

  473. 

  474.         self.ui.text_logs.textChanged.connect(self.slot_logButtonsState)

  475.         self.ui.logs_clear.clicked.connect(self.slot_logClear)

  476.         self.ui.logs_save.clicked.connect(self.slot_logSave)

  477.         self.ui.logs_autoscroll.stateChanged.connect(self.slot_toggleLogAutoscroll)

  478.         self.ui.text_logs.verticalScrollBar().valueChanged.connect(self.slot_logSliderMoved)

  479. 

  480.         # ----------------------------------------------------------------------------------------------------

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

  482. 

  483.         if CARLA_OS_MAC:

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

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

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

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

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

  489. 

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

  491.         # Load Settings

  492. 

  493.         self.loadSettings(True)

  494. 

  495.         # ----------------------------------------------------------------------------------------------------

  496.         # Set-up Canvas

  497. 

  498.         if withCanvas:

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

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

  501. 

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

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

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

  505. 

  506.             self.setupCanvas()

  507. 

  508.         # ----------------------------------------------------------------------------------------------------

  509.         # Set-up Icons

  510. 

  511.         if self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS]:

  512.             self.ui.act_file_connect.setIcon(getIcon('network-connect', 16, 'svgz'))

  513.             self.ui.act_file_refresh.setIcon(getIcon('view-refresh', 16, 'svgz'))

  514.             self.ui.act_file_new.setIcon(getIcon('document-new', 16, 'svgz'))

  515.             self.ui.act_file_open.setIcon(getIcon('document-open', 16, 'svgz'))

  516.             self.ui.act_file_reload.setIcon(getIcon('view-refresh-purple', 16, 'svgz'))

  517.             self.ui.act_file_save.setIcon(getIcon('document-save', 16, 'svgz'))

  518.             self.ui.act_file_save_as.setIcon(getIcon('document-save-as', 16, 'svgz'))

  519.             self.ui.act_file_quit.setIcon(getIcon('application-exit', 16, 'svgz'))

  520.             self.ui.act_engine_start.setIcon(getIcon('media-playback-start', 16, 'svgz'))

  521.             self.ui.act_engine_stop.setIcon(getIcon('media-playback-stop', 16, 'svgz'))

  522.             self.ui.act_engine_panic.setIcon(getIcon('dialog-warning', 16, 'svgz'))

  523.             self.ui.act_engine_config.setIcon(getIcon('configure', 16, 'svgz'))

  524.             self.ui.act_plugin_add.setIcon(getIcon('list-add', 16, 'svgz'))

  525.             self.ui.act_plugin_add_jack.setIcon(getIcon('add-jack', 16, 'svgz'))

  526.             self.ui.act_plugin_remove_all.setIcon(getIcon('edit-delete', 16, 'svgz'))

  527.             self.ui.act_plugins_enable.setIcon(getIcon('system-turnon', 16, 'svgz'))

  528.             self.ui.act_plugins_disable.setIcon(getIcon('system-shutdown', 16, 'svgz'))

  529.             self.ui.act_plugins_bypass.setIcon(getIcon('dry', 16, 'svgz'))

  530.             self.ui.act_plugins_wet100.setIcon(getIcon('wet', 16, 'svgz'))

  531.             self.ui.act_plugins_mute.setIcon(getIcon('audio-volume-muted', 16, 'svgz'))

  532.             self.ui.act_plugins_volume100.setIcon(getIcon('audio-volume-medium', 16, 'svgz'))

  533.             self.ui.act_plugins_center.setIcon(getIcon('balance', 16, 'svgz'))

  534.             self.ui.act_plugins_change_skin.setIcon(getIcon('skin', 16, 'svgz'))

  535.             self.ui.act_plugins_compact.setIcon(getIcon('compact', 16, 'svgz'))

  536.             self.ui.act_plugins_expand.setIcon(getIcon('restore', 16, 'svgz'))

  537.             self.ui.act_canvas_arrange.setIcon(getIcon('view-sort-ascending', 16, 'svgz'))

  538.             self.ui.act_canvas_refresh.setIcon(getIcon('view-refresh', 16, 'svgz'))

  539.             self.ui.act_canvas_zoom_fit.setIcon(getIcon('zoom-fit-best', 16, 'svgz'))

  540.             self.ui.act_canvas_zoom_in.setIcon(getIcon('zoom-in', 16, 'svgz'))

  541.             self.ui.act_canvas_zoom_out.setIcon(getIcon('zoom-out', 16, 'svgz'))

  542.             self.ui.act_canvas_zoom_100.setIcon(getIcon('zoom-original', 16, 'svgz'))

  543.             self.ui.act_settings_configure.setIcon(getIcon('configure', 16, 'svgz'))

  544.             self.ui.b_disk_add.setIcon(getIcon('list-add', 16, 'svgz'))

  545.             self.ui.b_disk_remove.setIcon(getIcon('list-remove', 16, 'svgz'))

  546.             self.ui.b_transport_play.setIcon(getIcon('media-playback-start', 16, 'svgz'))

  547.             self.ui.b_transport_stop.setIcon(getIcon('media-playback-stop', 16, 'svgz'))

  548.             self.ui.b_transport_backwards.setIcon(getIcon('media-seek-backward', 16, 'svgz'))

  549.             self.ui.b_transport_forwards.setIcon(getIcon('media-seek-forward', 16, 'svgz'))

  550.             self.ui.logs_clear.setIcon(getIcon('edit-clear', 16, 'svgz'))

  551.             self.ui.logs_save.setIcon(getIcon('document-save', 16, 'svgz'))

  552. 

  553.         # ----------------------------------------------------------------------------------------------------

  554.         # Connect actions to functions

  555. 

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

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

  558.         self.ui.act_file_reload.triggered.connect(self.slot_fileReload)

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

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

  561. 

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

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

  564.         self.ui.act_engine_panic.triggered.connect(self.slot_pluginsDisable)

  565.         self.ui.act_engine_config.triggered.connect(self.slot_engineConfig)

  566. 

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

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

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

  570. 

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

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

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

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

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

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

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

  578.         self.ui.act_plugins_change_skin.triggered.connect(self.slot_pluginsChangeSkin)

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

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

  581. 

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

  583.         self.ui.act_settings_show_toolbar_text.toggled.connect(self.slot_showToolbarText)

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

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

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

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

  588. 

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

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

  591. 

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

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

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

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

  596. 

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

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

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

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

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

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

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

  604. 

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

  606. 

  607.         self.ui.listWidget.customContextMenuRequested.connect(self.slot_showPluginActionsMenu)

  608. 

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

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

  611. 

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

  613.         self.ui.toolBar.visibilityChanged.connect(self.slot_toolbarVisibilityChanged)

  614. 

  615.         if withCanvas:

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

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

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

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

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

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

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

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

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

  625.             self.ui.act_canvas_save_image_2x.triggered.connect(self.slot_canvasSaveImage)

  626.             self.ui.act_canvas_save_image_4x.triggered.connect(self.slot_canvasSaveImage)

  627.             self.ui.act_canvas_copy_clipboard.triggered.connect(self.slot_canvasCopyToClipboard)

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

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

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

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

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

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

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

  635. 

  636.         self.SIGUSR1.connect(self.slot_handleSIGUSR1)

  637.         self.SIGTERM.connect(self.slot_handleSIGTERM)

  638. 

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

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

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

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

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

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

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

  646. 

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

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

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

  650. 

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

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

  653. 

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

  655. 

  656.         if withCanvas:

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

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

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

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

  661.             host.PatchbayClientPositionChangedCallback.connect(self.slot_handlePatchbayClientPositionChangedCallback)

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

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

  664.             host.PatchbayPortChangedCallback.connect(self.slot_handlePatchbayPortChangedCallback)

  665.             host.PatchbayPortGroupAddedCallback.connect(self.slot_handlePatchbayPortGroupAddedCallback)

  666.             host.PatchbayPortGroupRemovedCallback.connect(self.slot_handlePatchbayPortGroupRemovedCallback)

  667.             host.PatchbayPortGroupChangedCallback.connect(self.slot_handlePatchbayPortGroupChangedCallback)

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

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

  670. 

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

  672. 

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

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

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

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

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

  678. 

  679.         # ----------------------------------------------------------------------------------------------------

  680.         # Final setup

  681. 

  682.         self.ui.text_logs.clear()

  683.         self.slot_logButtonsState(False)

  684.         self.setProperWindowTitle()

  685. 

  686.         # Disable non-supported features

  687.         features = gCarla.utils.get_supported_features()

  688. 

  689.         if "link" not in features:

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

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

  692. 

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

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

  695.             self.startTimers()

  696. 

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

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

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

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

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

  702. 

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

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

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

  706. 

  707.         # Load initial project file if set

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

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

  710. 

  711.             if projectFile:

  712.                 self.loadProjectLater(projectFile)

  713. 

  714.         # For NSM we wait for the open message

  715.         if NSM_URL and host.nsmOK:

  716.             host.nsm_ready(NSM_CALLBACK_INIT)

  717.             return

  718. 

  719.         if not host.isControl:

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

  721. 

  722.     # --------------------------------------------------------------------------------------------------------

  723.     # Manage visibility state, needed for NSM

  724. 

  725.     def hideForNSM(self):

  726.         for pitem in reversed(self.fPluginList):

  727.             if pitem is None:

  728.                 continue

  729.             pitem.getWidget().hideCustomUI()

  730.         self.hide()

  731. 

  732.     def showIfNeeded(self):

  733.         if self.host.nsmOK:

  734.             self.ui.act_file_quit.setText(self.tr("Hide"))

  735.             QApplication.instance().setQuitOnLastWindowClosed(False)

  736.         else:

  737.             self.show()

  738. 

  739.     # --------------------------------------------------------------------------------------------------------

  740.     # Setup

  741. 

  742.     def compactPlugin(self, pluginId):

  743.         if pluginId > self.fPluginCount:

  744.             return

  745. 

  746.         pitem = self.fPluginList[pluginId]

  747. 

  748.         if pitem is None:

  749.             return

  750. 

  751.         pitem.recreateWidget(True)

  752. 

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

  754.         if pluginId > self.fPluginCount:

  755.             return

  756. 

  757.         pitem = self.fPluginList[pluginId]

  758. 

  759.         if pitem is None:

  760.             return

  761. 

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

  763.         pitem.recreateWidget(newColor = color)

  764. 

  765.     def changePluginSkin(self, pluginId, skin, color = None):

  766.         if pluginId > self.fPluginCount:

  767.             return

  768. 

  769.         pitem = self.fPluginList[pluginId]

  770. 

  771.         if pitem is None:

  772.             return

  773. 

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

  775.         if color is not None:

  776.             pitem.recreateWidget(newSkin = skin, newColor = color)

  777.         elif skin not in ("default","rncbc","presets","mpresets"):

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

  779.         else:

  780.             pitem.recreateWidget(newSkin = skin)

  781. 

  782.     def findPluginInPatchbay(self, pluginId):

  783.         if pluginId > self.fPluginCount:

  784.             return

  785. 

  786.         if self.fExternalPatchbay:

  787.             self.slot_canvasShowInternal()

  788. 

  789.         if not patchcanvas.focusGroupUsingPluginId(pluginId):

  790.             name = self.host.get_plugin_info(pluginId)['name']

  791.             if not patchcanvas.focusGroupUsingGroupName(name):

  792.                 return

  793. 

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

  795. 

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

  797.         if pluginIdA == pluginIdB:

  798.             return

  799.         if pluginIdA < 0 or pluginIdB < 0:

  800.             return

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

  802.             return

  803. 

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

  805. 

  806.         itemA = self.fPluginList[pluginIdA]

  807.         compactA = itemA.isCompacted()

  808.         guiShownA = itemA.isGuiShown()

  809. 

  810.         itemB = self.fPluginList[pluginIdB]

  811.         compactB = itemB.isCompacted()

  812.         guiShownB = itemB.isGuiShown()

  813. 

  814.         itemA.setPluginId(pluginIdA)

  815.         itemA.recreateWidget2(compactB, guiShownB)

  816. 

  817.         itemB.setPluginId(pluginIdB)

  818.         itemB.recreateWidget2(compactA, guiShownA)

  819. 

  820.         if self.fWithCanvas:

  821.             self.slot_canvasRefresh()

  822. 

  823.     def setLoadRDFsNeeded(self):

  824.         self.fLadspaRdfNeedsUpdate = True

  825. 

  826.     def setProperWindowTitle(self):

  827.         title = self.fClientName

  828. 

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

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

  831.         if self.fSessionManagerName:

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

  833. 

  834.         self.setWindowTitle(title)

  835. 

  836.     def updateBufferSize(self, newBufferSize):

  837.         if self.fBufferSize == newBufferSize:

  838.             return

  839.         self.fBufferSize = newBufferSize

  840.         self.ui.cb_buffer_size.clear()

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

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

  843. 

  844.     def updateSampleRate(self, newSampleRate):

  845.         if self.fSampleRate == newSampleRate:

  846.             return

  847.         self.fSampleRate = newSampleRate

  848.         self.ui.cb_sample_rate.clear()

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

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

  851.         self.refreshTransport(True)

  852. 

  853.     # --------------------------------------------------------------------------------------------------------

  854.     # Files

  855. 

  856.     def loadProjectNow(self):

  857.         if not self.fProjectFilename:

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

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

  860.             return

  861. 

  862.         self.projectLoadingStarted()

  863.         self.fIsProjectLoading = True

  864. 

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

  866.             self.fIsProjectLoading = False

  867.             self.projectLoadingFinished(True)

  868. 

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

  870.                              self.host.get_last_error(),

  871.                              QMessageBox.Ok, QMessageBox.Ok)

  872. 

  873.     def loadProjectLater(self, filename):

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

  875.         self.setProperWindowTitle()

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

  877. 

  878.     def saveProjectNow(self):

  879.         if not self.fProjectFilename:

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

  881. 

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

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

  884.                              self.host.get_last_error(),

  885.                              QMessageBox.Ok, QMessageBox.Ok)

  886.             return

  887. 

  888.     def projectLoadingStarted(self):

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

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

  891. 

  892.     def projectLoadingFinished(self, refreshCanvas):

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

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

  895. 

  896.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE or not self.fWithCanvas:

  897.             return

  898. 

  899.         if refreshCanvas and not self.loadExternalCanvasGroupPositionsIfNeeded(self.fProjectFilename):

  900.             QTimer.singleShot(1, self.slot_canvasRefresh)

  901. 

  902.     def loadExternalCanvasGroupPositionsIfNeeded(self, filename):

  903.         extrafile = filename.rsplit(".",1)[0]+".json"

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

  905.             return False

  906. 

  907.         with open(filename, "r") as fh:

  908.             if "".join(fh.readlines(90)).find("<CARLA-PROJECT VERSION='2.0'>") < 0:

  909.                 return False

  910. 

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

  912.             try:

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

  914.             except:

  915.                 return False

  916. 

  917.         print("NOTICE: loading old-style canvas group positions via legacy json file")

  918.         patchcanvas.restoreGroupPositions(canvasdata)

  919.         QTimer.singleShot(1, self.slot_canvasRefresh)

  920.         return True

  921. 

  922.     # --------------------------------------------------------------------------------------------------------

  923.     # Files (menu actions)

  924. 

  925.     @pyqtSlot()

  926.     def slot_fileNew(self):

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

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

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

  930.             return

  931. 

  932.         self.pluginRemoveAll()

  933.         self.fProjectFilename = ""

  934.         self.setProperWindowTitle()

  935.         self.host.clear_project_filename()

  936. 

  937.     @pyqtSlot()

  938.     def slot_fileOpen(self):

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

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

  941. 

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

  943.         if not filename:

  944.             return

  945. 

  946.         newFile = True

  947. 

  948.         if self.fPluginCount > 0:

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

  950.                                                                           QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

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

  952. 

  953.         if newFile:

  954.             self.pluginRemoveAll()

  955.             self.fProjectFilename = filename

  956.             self.setProperWindowTitle()

  957.             self.loadProjectNow()

  958.         else:

  959.             filenameOld = self.fProjectFilename

  960.             self.fProjectFilename = filename

  961.             self.loadProjectNow()

  962.             self.fProjectFilename = filenameOld

  963. 

  964.         if self.fTweaks.get('ShowReload', 0):

  965.             self.ui.act_file_reload.setEnabled(True)

  966.             self.ui.act_file_reload.setVisible(True)

  967. 

  968.     @pyqtSlot()

  969.     def slot_fileReload(self):

  970.         if not (self.fProjectFilename == ""):

  971.             self.pluginRemoveAll()

  972.             self.loadProjectNow()

  973. 

  974.     @pyqtSlot()

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

  976.         if self.fProjectFilename and not saveAs:

  977.             return self.saveProjectNow()

  978. 

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

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

  981. 

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

  983.         if not filename:

  984.             return

  985. 

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

  987.             filename += ".carxp"

  988. 

  989.         if self.fProjectFilename != filename:

  990.             self.fProjectFilename = filename

  991.             self.setProperWindowTitle()

  992. 

  993.         self.saveProjectNow()

  994. 

  995.     @pyqtSlot()

  996.     def slot_fileSaveAs(self):

  997.         self.slot_fileSave(True)

  998. 

  999.     @pyqtSlot()

  1000.     def slot_loadProjectNow(self):

  1001.         self.loadProjectNow()

  1002. 

  1003.     # --------------------------------------------------------------------------------------------------------

  1004.     # Engine (menu actions)

  1005. 

  1006.     @pyqtSlot()

  1007.     def slot_engineStart(self):

  1008.         audioDriver = setEngineSettings(self.host, self.fSavedSettings)

  1009. 

  1010.         firstInit = self.fFirstEngineInit

  1011.         self.fFirstEngineInit = False

  1012. 

  1013.         self.ui.text_logs.appendPlainText("======= Starting engine =======")

  1014. 

  1015.         if self.host.engine_init(audioDriver, self.fClientName):

  1016.             if firstInit and not (self.host.isControl or self.host.isPlugin):

  1017.                 settings = QSafeSettings()

  1018.                 lastBpm  = settings.value("LastBPM", 120.0, float)

  1019.                 del settings

  1020.                 if lastBpm >= 20.0:

  1021.                     self.host.transport_bpm(lastBpm)

  1022.             return

  1023. 

  1024.         elif firstInit:

  1025.             self.ui.text_logs.appendPlainText("Failed to start engine on first try, ignored")

  1026.             return

  1027. 

  1028.         audioError = self.host.get_last_error()

  1029. 

  1030.         if audioError:

  1031.             QMessageBox.critical(self, self.tr("Error"),

  1032.                                  self.tr("Could not connect to Audio backend '%s', possible reasons:\n%s" % (audioDriver, audioError)))

  1033.         else:

  1034.             QMessageBox.critical(self, self.tr("Error"),

  1035.                                  self.tr("Could not connect to Audio backend '%s'" % audioDriver))

  1036. 

  1037.     @pyqtSlot()

  1038.     def slot_engineStop(self, forced = False):

  1039.         self.ui.text_logs.appendPlainText("======= Stopping engine =======")

  1040. 

  1041.         if self.fPluginCount == 0 or not self.host.is_engine_running():

  1042.             self.engineStopFinal()

  1043.             return True

  1044. 

  1045.         if not forced:

  1046.             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"

  1047.                                                                          "Do you want to do this now?"),

  1048.                                                                          QMessageBox.Yes | QMessageBox.No, QMessageBox.No)

  1049.             if ask != QMessageBox.Yes:

  1050.                 return False

  1051. 

  1052.         return self.slot_engineStopTryAgain()

  1053. 

  1054.     @pyqtSlot()

  1055.     def slot_engineConfig(self):

  1056.         engineRunning = self.host.is_engine_running()

  1057. 

  1058.         if engineRunning:

  1059.             dialog = RuntimeDriverSettingsW(self.fParentOrSelf, self.host)

  1060. 

  1061.         else:

  1062.             if self.host.isPlugin:

  1063.                 driverName = "Plugin"

  1064.                 driverIndex = 0

  1065.             elif self.host.audioDriverForced:

  1066.                 driverName = self.host.audioDriverForced

  1067.                 driverIndex = 0

  1068.             else:

  1069.                 settings = QSafeSettings()

  1070.                 driverName = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, str)

  1071.                 for i in range(self.host.get_engine_driver_count()):

  1072.                     if self.host.get_engine_driver_name(i) == driverName:

  1073.                         driverIndex = i

  1074.                         break

  1075.                 else:

  1076.                     driverIndex = -1

  1077.                 del settings

  1078.             dialog = DriverSettingsW(self.fParentOrSelf, self.host, driverIndex, driverName)

  1079.             dialog.ui.ico_restart.hide()

  1080.             dialog.ui.label_restart.hide()

  1081.             dialog.adjustSize()

  1082. 

  1083.         if not dialog.exec_():

  1084.             return

  1085. 

  1086.         audioDevice, bufferSize, sampleRate = dialog.getValues()

  1087. 

  1088.         if engineRunning:

  1089.             self.host.set_engine_buffer_size_and_sample_rate(bufferSize, sampleRate)

  1090.         else:

  1091.             self.host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE, 0, audioDevice)

  1092.             self.host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, bufferSize, "")

  1093.             self.host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, sampleRate, "")

  1094. 

  1095.     @pyqtSlot()

  1096.     def slot_engineStopTryAgain(self):

  1097.         if self.host.is_engine_running() and not self.host.set_engine_about_to_close():

  1098.             QTimer.singleShot(0, self.slot_engineStopTryAgain)

  1099.             return False

  1100. 

  1101.         self.engineStopFinal()

  1102.         return True

  1103. 

  1104.     def engineStopFinal(self):

  1105.         patchcanvas.handleAllPluginsRemoved()

  1106.         self.killTimers()

  1107. 

  1108.         if self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  1109.             self.removeAllPlugins()

  1110.         else:

  1111.             self.fProjectFilename = ""

  1112.             self.setProperWindowTitle()

  1113.             if self.fPluginCount != 0:

  1114.                 self.fCurrentlyRemovingAllPlugins = True

  1115.                 self.projectLoadingStarted()

  1116. 

  1117.         if self.host.is_engine_running() and not self.host.remove_all_plugins():

  1118.             self.ui.text_logs.appendPlainText("Failed to remove all plugins, error was:")

  1119.             self.ui.text_logs.appendPlainText(self.host.get_last_error())

  1120. 

  1121.         if not self.host.engine_close():

  1122.             self.ui.text_logs.appendPlainText("Failed to stop engine, error was:")

  1123.             self.ui.text_logs.appendPlainText(self.host.get_last_error())

  1124. 

  1125.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  1126.             self.close()

  1127.         elif self.fCustomStopAction == self.CUSTOM_ACTION_PROJECT_LOAD:

  1128.             self.slot_engineStart()

  1129.             self.loadProjectNow()

  1130.             self.host.nsm_ready(NSM_CALLBACK_OPEN)

  1131. 

  1132.         self.fCustomStopAction = self.CUSTOM_ACTION_NONE

  1133. 

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

  1135.     # Engine (host callbacks)

  1136. 

  1137.     @pyqtSlot(int, int, int, int, float, str)

  1138.     def slot_handleEngineStartedCallback(self, pluginCount, processMode, transportMode, bufferSize, sampleRate, driverName):

  1139.         self.ui.menu_PluginMacros.setEnabled(True)

  1140.         self.ui.menu_Canvas.setEnabled(True)

  1141.         self.ui.w_transport.setEnabled(True)

  1142. 

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

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

  1145. 

  1146.         if processMode == ENGINE_PROCESS_MODE_PATCHBAY and not self.host.isPlugin:

  1147.             self.ui.act_canvas_show_internal.setChecked(True)

  1148.             self.ui.act_canvas_show_internal.setVisible(True)

  1149.             self.ui.act_canvas_show_external.setChecked(False)

  1150.             self.ui.act_canvas_show_external.setVisible(True)

  1151.             self.fExternalPatchbay = False

  1152.         else:

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

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

  1155.             self.ui.act_canvas_show_external.setChecked(True)

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

  1157.             self.fExternalPatchbay = not self.host.isPlugin

  1158. 

  1159.         self.ui.act_canvas_show_internal.blockSignals(False)

  1160.         self.ui.act_canvas_show_external.blockSignals(False)

  1161. 

  1162.         if not (self.host.isControl or self.host.isPlugin):

  1163.             canSave = (self.fProjectFilename and os.path.exists(self.fProjectFilename)) or not self.fSessionManagerName

  1164.             self.ui.act_file_save.setEnabled(canSave)

  1165.             self.ui.act_engine_start.setEnabled(False)

  1166.             self.ui.act_engine_stop.setEnabled(True)

  1167. 

  1168.         if not self.host.isPlugin:

  1169.             self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1170. 

  1171.         if self.host.isPlugin or not self.fSessionManagerName:

  1172.             self.ui.act_file_open.setEnabled(True)

  1173.             self.ui.act_file_save_as.setEnabled(True)

  1174. 

  1175.         self.ui.cb_transport_jack.setChecked(transportMode == ENGINE_TRANSPORT_MODE_JACK)

  1176.         self.ui.cb_transport_jack.setEnabled(driverName == "JACK" and processMode != ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS)

  1177. 

  1178.         if self.ui.cb_transport_link.isEnabled():

  1179.             self.ui.cb_transport_link.setChecked(":link:" in self.host.transportExtra)

  1180. 

  1181.         self.updateBufferSize(bufferSize)

  1182.         self.updateSampleRate(int(sampleRate))

  1183.         self.refreshRuntimeInfo(0.0, 0)

  1184.         self.startTimers()

  1185. 

  1186.         self.ui.text_logs.appendPlainText("======= Engine started ========")

  1187.         self.ui.text_logs.appendPlainText("Carla engine started, details:")

  1188.         self.ui.text_logs.appendPlainText("  Driver name:  %s" % driverName)

  1189.         self.ui.text_logs.appendPlainText("  Sample rate:  %i" % int(sampleRate))

  1190.         self.ui.text_logs.appendPlainText("  Process mode: %s" % processMode2Str(processMode))

  1191. 

  1192.     @pyqtSlot()

  1193.     def slot_handleEngineStoppedCallback(self):

  1194.         self.ui.text_logs.appendPlainText("======= Engine stopped ========")

  1195. 

  1196.         if self.fWithCanvas:

  1197.             patchcanvas.clear()

  1198. 

  1199.         self.killTimers()

  1200. 

  1201.         # just in case

  1202.         self.removeAllPlugins()

  1203.         self.refreshRuntimeInfo(0.0, 0)

  1204. 

  1205.         self.ui.menu_PluginMacros.setEnabled(False)

  1206.         self.ui.menu_Canvas.setEnabled(False)

  1207.         self.ui.w_transport.setEnabled(False)

  1208. 

  1209.         if not (self.host.isControl or self.host.isPlugin):

  1210.             self.ui.act_file_save.setEnabled(False)

  1211.             self.ui.act_engine_start.setEnabled(True)

  1212.             self.ui.act_engine_stop.setEnabled(False)

  1213. 

  1214.         if self.host.isPlugin or not self.fSessionManagerName:

  1215.             self.ui.act_file_open.setEnabled(False)

  1216.             self.ui.act_file_reload.setEnabled(False)

  1217.             self.ui.act_file_save_as.setEnabled(False)

  1218. 

  1219.     @pyqtSlot(int, str)

  1220.     def slot_handleTransportModeChangedCallback(self, transportMode, transportExtra):

  1221.         self.enableTransport(transportMode != ENGINE_TRANSPORT_MODE_DISABLED)

  1222. 

  1223.         self.ui.cb_transport_jack.setChecked(transportMode == ENGINE_TRANSPORT_MODE_JACK)

  1224.         self.ui.cb_transport_link.setChecked(":link:" in transportExtra)

  1225. 

  1226.     @pyqtSlot(int)

  1227.     def slot_handleBufferSizeChangedCallback(self, newBufferSize):

  1228.         self.updateBufferSize(newBufferSize)

  1229. 

  1230.     @pyqtSlot(float)

  1231.     def slot_handleSampleRateChangedCallback(self, newSampleRate):

  1232.         self.updateSampleRate(int(newSampleRate))

  1233. 

  1234.     @pyqtSlot(int, bool, str)

  1235.     def slot_handleCancelableActionCallback(self, pluginId, started, action):

  1236.         if self.fCancelableActionBox is not None:

  1237.             self.fCancelableActionBox.close()

  1238. 

  1239.         if started:

  1240.             self.fCancelableActionBox = QMessageBox(self)

  1241.             self.fCancelableActionBox.setIcon(QMessageBox.Information)

  1242.             self.fCancelableActionBox.setWindowTitle(self.tr("Action in progress"))

  1243.             self.fCancelableActionBox.setText(action)

  1244.             self.fCancelableActionBox.setInformativeText(self.tr("An action is in progress, please wait..."))

  1245.             self.fCancelableActionBox.setStandardButtons(QMessageBox.Cancel)

  1246.             self.fCancelableActionBox.setDefaultButton(QMessageBox.Cancel)

  1247.             self.fCancelableActionBox.buttonClicked.connect(self.slot_canlableActionBoxClicked)

  1248.             self.fCancelableActionBox.show()

  1249. 

  1250.         else:

  1251.             self.fCancelableActionBox = None

  1252. 

  1253.     @pyqtSlot()

  1254.     def slot_canlableActionBoxClicked(self):

  1255.         self.host.cancel_engine_action()

  1256. 

  1257.     @pyqtSlot()

  1258.     def slot_handleProjectLoadFinishedCallback(self):

  1259.         self.fIsProjectLoading = False

  1260.         self.projectLoadingFinished(False)

  1261. 

  1262.     # --------------------------------------------------------------------------------------------------------

  1263.     # Plugins

  1264. 

  1265.     def removeAllPlugins(self):

  1266.         # self.ui.act_plugin_remove_all.setEnabled(False)

  1267.         self.setMenuMacrosEnabled(False)

  1268.         patchcanvas.handleAllPluginsRemoved()

  1269. 

  1270.         while self.ui.listWidget.takeItem(0):

  1271.             pass

  1272. 

  1273.         self.clearSideStuff()

  1274. 

  1275.         for pitem in self.fPluginList:

  1276.             if pitem is None:

  1277.                 continue

  1278. 

  1279.             pitem.close()

  1280.             del pitem

  1281. 

  1282.         self.fPluginCount = 0

  1283.         self.fPluginList  = []

  1284. 

  1285.     # --------------------------------------------------------------------------------------------------------

  1286.     # Plugins (menu actions)

  1287. 

  1288.     def showAddPluginDialog(self):

  1289.         # TODO self.fHasLoadedLv2Plugins

  1290.         if self.fPluginListDialog is None:

  1291.             hostSettings = {

  1292.                 'showPluginBridges': self.fSavedSettings[CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES],

  1293.                 'showWineBridges': self.fSavedSettings[CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES],

  1294.                 'useSystemIcons': self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS],

  1295.                 'wineAutoPrefix': self.fSavedSettings[CARLA_KEY_WINE_AUTO_PREFIX],

  1296.                 'wineExecutable': self.fSavedSettings[CARLA_KEY_WINE_EXECUTABLE],

  1297.                 'wineFallbackPrefix': self.fSavedSettings[CARLA_KEY_WINE_FALLBACK_PREFIX],

  1298.             }

  1299.             self.fPluginListDialog = d = gCarla.felib.createPluginListDialog(self.fParentOrSelf, hostSettings)

  1300. 

  1301.             gCarla.felib.setPluginListDialogPath(d, PLUGIN_LADSPA, self.fSavedSettings[CARLA_KEY_PATHS_LADSPA])

  1302.             gCarla.felib.setPluginListDialogPath(d, PLUGIN_DSSI, self.fSavedSettings[CARLA_KEY_PATHS_DSSI])

  1303.             gCarla.felib.setPluginListDialogPath(d, PLUGIN_LV2, self.fSavedSettings[CARLA_KEY_PATHS_LV2])

  1304.             gCarla.felib.setPluginListDialogPath(d, PLUGIN_VST2, self.fSavedSettings[CARLA_KEY_PATHS_VST2])

  1305.             gCarla.felib.setPluginListDialogPath(d, PLUGIN_VST3, self.fSavedSettings[CARLA_KEY_PATHS_VST3])

  1306.             gCarla.felib.setPluginListDialogPath(d, PLUGIN_SF2, self.fSavedSettings[CARLA_KEY_PATHS_SF2])

  1307.             gCarla.felib.setPluginListDialogPath(d, PLUGIN_SFZ, self.fSavedSettings[CARLA_KEY_PATHS_SFZ])

  1308.             gCarla.felib.setPluginListDialogPath(d, PLUGIN_JSFX, self.fSavedSettings[CARLA_KEY_PATHS_JSFX])

  1309.             gCarla.felib.setPluginListDialogPath(d, PLUGIN_CLAP, self.fSavedSettings[CARLA_KEY_PATHS_CLAP])

  1310. 

  1311.         ret = gCarla.felib.execPluginListDialog(self.fPluginListDialog)

  1312. 

  1313.         # TODO

  1314.         #if dialog.fFavoritePluginsChanged:

  1315.             #self.fFavoritePlugins = dialog.fFavoritePlugins

  1316. 

  1317.         if not ret:

  1318.             return

  1319. 

  1320.         if not self.host.is_engine_running():

  1321.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1322.             return

  1323. 

  1324.         btype    = ret['build']

  1325.         ptype    = ret['type']

  1326.         filename = ret['filename']

  1327.         label    = ret['label']

  1328.         uniqueId = ret['uniqueId']

  1329.         extraPtr = None

  1330. 

  1331.         return (btype, ptype, filename, label, uniqueId, extraPtr)

  1332. 

  1333.     def showAddJackAppDialog(self):

  1334.         ret = gCarla.felib.createAndExecJackAppDialog(self.fParentOrSelf, self.fProjectFilename)

  1335. 

  1336.         if not ret:

  1337.             return

  1338. 

  1339.         if not self.host.is_engine_running():

  1340.             QMessageBox.warning(self, self.tr("Warning"), self.tr("Cannot add new plugins while engine is stopped"))

  1341.             return

  1342. 

  1343.         return ret

  1344. 

  1345.     @pyqtSlot()

  1346.     def slot_favoritePluginAdd(self):

  1347.         plugin = self.sender().data()

  1348. 

  1349.         if plugin is None:

  1350.             return

  1351. 

  1352.         if not self.host.add_plugin(plugin['build'], plugin['type'], plugin['filename'], None,

  1353.                                     plugin['label'], plugin['uniqueId'], None, PLUGIN_OPTIONS_NULL):

  1354.             # remove plugin from favorites

  1355.             try:

  1356.                 self.fFavoritePlugins.remove(plugin)

  1357.             except ValueError:

  1358.                 pass

  1359.             else:

  1360.                 settingsDBf = QSafeSettings("falkTX", "CarlaDatabase2")

  1361.                 settingsDBf.setValue("PluginDatabase/Favorites", self.fFavoritePlugins)

  1362.                 settingsDBf.sync()

  1363.                 del settingsDBf

  1364. 

  1365.             CustomMessageBox(self,

  1366.                              QMessageBox.Critical,

  1367.                              self.tr("Error"),

  1368.                              self.tr("Failed to load plugin"),

  1369.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1370. 

  1371.     @pyqtSlot()

  1372.     def slot_showPluginActionsMenu(self):

  1373.         menu = QMenu(self)

  1374. 

  1375.         menu.addSection("Plugins")

  1376.         menu.addAction(self.ui.act_plugin_add)

  1377. 

  1378.         if len(self.fFavoritePlugins) != 0:

  1379.             fmenu = QMenu("Add from favorites", self)

  1380.             for p in self.fFavoritePlugins:

  1381.                 act = fmenu.addAction(p['name'])

  1382.                 act.setData(p)

  1383.                 act.triggered.connect(self.slot_favoritePluginAdd)

  1384. 

  1385.             if self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS]:

  1386.                 fmenu.setIcon(getIcon('add-from-favorites', 16, 'svgz'))

  1387.             else:

  1388.                 fmenu.setIcon(QIcon(":/16x16/add-from-favorites.svgz"))

  1389. 

  1390.             menu.addMenu(fmenu)

  1391. 

  1392.         menu.addAction(self.ui.act_plugin_remove_all)

  1393. 

  1394.         menu.addSection("All plugins (macros)")

  1395.         menu.addAction(self.ui.act_plugins_enable)

  1396.         menu.addAction(self.ui.act_plugins_disable)

  1397.         menu.addSeparator()

  1398.         menu.addAction(self.ui.act_plugins_volume100)

  1399.         menu.addAction(self.ui.act_plugins_mute)

  1400.         menu.addSeparator()

  1401.         menu.addAction(self.ui.act_plugins_wet100)

  1402.         menu.addAction(self.ui.act_plugins_bypass)

  1403.         menu.addSeparator()

  1404.         menu.addAction(self.ui.act_plugins_center)

  1405.         menu.addSeparator()

  1406.         menu.addAction(self.ui.act_plugins_change_skin)

  1407.         menu.addAction(self.ui.act_plugins_compact)

  1408.         menu.addAction(self.ui.act_plugins_expand)

  1409. 

  1410.         menu.exec_(QCursor.pos())

  1411. 

  1412.     @pyqtSlot()

  1413.     def slot_pluginAdd(self):

  1414.         data = self.showAddPluginDialog()

  1415. 

  1416.         if data is None:

  1417.             return

  1418. 

  1419.         btype, ptype, filename, label, uniqueId, extraPtr = data

  1420. 

  1421.         if not self.host.add_plugin(btype, ptype, filename, None, label, uniqueId, extraPtr, PLUGIN_OPTIONS_NULL):

  1422.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1423.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1424. 

  1425.     @pyqtSlot()

  1426.     def slot_confirmRemoveAll(self):

  1427.         if self.fPluginCount == 0:

  1428.             return

  1429. 

  1430.         if QMessageBox.question(self, self.tr("Remove All"),

  1431.                                       self.tr("Are you sure you want to remove all plugins?"),

  1432.                                       QMessageBox.Yes|QMessageBox.No) == QMessageBox.No:

  1433.             return

  1434. 

  1435.         self.pluginRemoveAll()

  1436. 

  1437.     def pluginRemoveAll(self):

  1438.         if self.fPluginCount == 0:

  1439.             return

  1440. 

  1441.         self.fCurrentlyRemovingAllPlugins = True

  1442.         self.projectLoadingStarted()

  1443. 

  1444.         if not self.host.remove_all_plugins():

  1445.             self.projectLoadingFinished(True)

  1446.             self.fCurrentlyRemovingAllPlugins = False

  1447.             CustomMessageBox(self, QMessageBox.Warning, self.tr("Error"), self.tr("Operation failed"),

  1448.                                    self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1449. 

  1450.     @pyqtSlot()

  1451.     def slot_jackAppAdd(self):

  1452.         data = self.showAddJackAppDialog()

  1453. 

  1454.         if data is None:

  1455.             return

  1456. 

  1457.         if not data['command']:

  1458.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Cannot add jack application"),

  1459.                              self.tr("command is empty"), QMessageBox.Ok, QMessageBox.Ok)

  1460.             return

  1461. 

  1462.         if not self.host.add_plugin(BINARY_NATIVE, PLUGIN_JACK,

  1463.                                     data['command'], data['name'], data['labelSetup'],

  1464.                                     0, None, PLUGIN_OPTIONS_NULL):

  1465.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"), self.tr("Failed to load plugin"),

  1466.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  1467. 

  1468.     # --------------------------------------------------------------------------------------------------------

  1469.     # Plugins (macros)

  1470. 

  1471.     @pyqtSlot()

  1472.     def slot_pluginsEnable(self):

  1473.         if not self.host.is_engine_running():

  1474.             return

  1475. 

  1476.         for pitem in self.fPluginList:

  1477.             if pitem is None:

  1478.                 break

  1479. 

  1480.             pitem.getWidget().setActive(True, True, True)

  1481. 

  1482.     @pyqtSlot()

  1483.     def slot_pluginsDisable(self):

  1484.         if not self.host.is_engine_running():

  1485.             return

  1486. 

  1487.         for pitem in self.fPluginList:

  1488.             if pitem is None:

  1489.                 break

  1490. 

  1491.             pitem.getWidget().setActive(False, True, True)

  1492. 

  1493.     @pyqtSlot()

  1494.     def slot_pluginsVolume100(self):

  1495.         if not self.host.is_engine_running():

  1496.             return

  1497. 

  1498.         for pitem in self.fPluginList:

  1499.             if pitem is None:

  1500.                 break

  1501. 

  1502.             pitem.getWidget().setInternalParameter(PARAMETER_VOLUME, 1.0)

  1503. 

  1504.     @pyqtSlot()

  1505.     def slot_pluginsMute(self):

  1506.         if not self.host.is_engine_running():

  1507.             return

  1508. 

  1509.         for pitem in self.fPluginList:

  1510.             if pitem is None:

  1511.                 break

  1512. 

  1513.             pitem.getWidget().setInternalParameter(PARAMETER_VOLUME, 0.0)

  1514. 

  1515.     @pyqtSlot()

  1516.     def slot_pluginsWet100(self):

  1517.         if not self.host.is_engine_running():

  1518.             return

  1519. 

  1520.         for pitem in self.fPluginList:

  1521.             if pitem is None:

  1522.                 break

  1523. 

  1524.             pitem.getWidget().setInternalParameter(PARAMETER_DRYWET, 1.0)

  1525. 

  1526.     @pyqtSlot()

  1527.     def slot_pluginsBypass(self):

  1528.         if not self.host.is_engine_running():

  1529.             return

  1530. 

  1531.         for pitem in self.fPluginList:

  1532.             if pitem is None:

  1533.                 break

  1534. 

  1535.             pitem.getWidget().setInternalParameter(PARAMETER_DRYWET, 0.0)

  1536. 

  1537.     @pyqtSlot()

  1538.     def slot_pluginsCenter(self):

  1539.         if not self.host.is_engine_running():

  1540.             return

  1541. 

  1542.         for pitem in self.fPluginList:

  1543.             if pitem is None:

  1544.                 break

  1545. 

  1546.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_LEFT, -1.0)

  1547.             pitem.getWidget().setInternalParameter(PARAMETER_BALANCE_RIGHT, 1.0)

  1548.             pitem.getWidget().setInternalParameter(PARAMETER_PANNING, 0.0)

  1549.             pitem.getWidget().setInternalParameter(PARAMETER_FORTH, 0.0)

  1550. 

  1551.     @pyqtSlot()

  1552.     def slot_pluginsChangeSkin(self):

  1553.         skin = QInputDialog.getItem(self, self.tr("Change Skin"), self.tr("Change Skin to:"), skinList, 0, False)

  1554.         if not all(skin):

  1555.             return

  1556. 

  1557.         if skin[0][:4] in ("calf", "clas", "zynf"): # These are non-colorable

  1558.             for pluginId in range(self.fPluginCount):

  1559.                 gCarla.gui.changePluginSkin(pluginId, skin[0])

  1560.             return

  1561. 

  1562.         reColor = QInputDialog.getItem(self, self.tr("Change Color"), self.tr("Change Color mode:"), ['Follow Rules / As Is', 'Random'], 0, False)

  1563.         if not all(reColor):

  1564.             return

  1565. 

  1566.         color = None

  1567.         if skin[0].startswith("3ba"): # These are dark tinted, need enlight.

  1568.             color = (254,255,255) # If not random

  1569.             luma = 0.5

  1570.             sat = 0.5

  1571.         elif skin[0].startswith("ope"): # These are dark tinted, need enlight.

  1572.             luma = 0.5

  1573.             sat = 1.0

  1574.         else:

  1575.             luma = 0.125

  1576.             sat = 0.25

  1577. 

  1578.         for pluginId in range(self.fPluginCount):

  1579.             if reColor[0][:2] == 'Ra':

  1580.                 color = QColor.fromHslF(random.random(), sat, luma, 1).getRgb()[0:3]

  1581.             gCarla.gui.changePluginSkin(pluginId, skin[0], color)

  1582. 

  1583.     @pyqtSlot()

  1584.     def slot_pluginsCompact(self):

  1585.         for pitem in self.fPluginList:

  1586.             if pitem is None:

  1587.                 break

  1588.             pitem.compact()

  1589. 

  1590.     @pyqtSlot()

  1591.     def slot_pluginsExpand(self):

  1592.         for pitem in self.fPluginList:

  1593.             if pitem is None:

  1594.                 break

  1595.             pitem.expand()

  1596. 

  1597.     # --------------------------------------------------------------------------------------------------------

  1598.     # Plugins (host callbacks)

  1599. 

  1600.     @pyqtSlot(int, int, str)

  1601.     def slot_handlePluginAddedCallback(self, pluginId, pluginType, pluginName):

  1602.         if pluginId != self.fPluginCount:

  1603.             print("ERROR: pluginAdded mismatch Id:", pluginId, self.fPluginCount)

  1604.             pitem = self.getPluginItem(pluginId)

  1605.             pitem.recreateWidget()

  1606.             return

  1607. 

  1608.         pitem = self.ui.listWidget.createItem(pluginId, self.fSavedSettings[CARLA_KEY_MAIN_CLASSIC_SKIN])

  1609.         self.fPluginList.append(pitem)

  1610.         self.fPluginCount += 1

  1611. 

  1612.         self.setMenuMacrosEnabled(self.fPluginCount > 0)

  1613. 

  1614.         if pluginType == PLUGIN_LV2:

  1615.             self.fHasLoadedLv2Plugins = True

  1616. 

  1617.     def setMenuMacrosEnabled(self, enabled):

  1618.         self.ui.act_plugin_remove_all.setEnabled(enabled)

  1619.         self.ui.act_plugins_enable.setEnabled(enabled)

  1620.         self.ui.act_plugins_disable.setEnabled(enabled)

  1621.         self.ui.act_plugins_volume100.setEnabled(enabled)

  1622.         self.ui.act_plugins_mute.setEnabled(enabled)

  1623.         self.ui.act_plugins_wet100.setEnabled(enabled)

  1624.         self.ui.act_plugins_bypass.setEnabled(enabled)

  1625.         self.ui.act_plugins_center.setEnabled(enabled)

  1626.         self.ui.act_plugins_change_skin.setEnabled(enabled)

  1627.         self.ui.act_plugins_compact.setEnabled(enabled)

  1628.         self.ui.act_plugins_expand.setEnabled(enabled)

  1629. 

  1630.     @pyqtSlot(int)

  1631.     def slot_handlePluginRemovedCallback(self, pluginId):

  1632.         if self.fWithCanvas:

  1633.             patchcanvas.handlePluginRemoved(pluginId)

  1634. 

  1635.         if pluginId in self.fSelectedPlugins:

  1636.             self.clearSideStuff()

  1637. 

  1638.         if self.fPluginCount == 0:

  1639.             return

  1640. 

  1641.         pitem = self.getPluginItem(pluginId)

  1642. 

  1643.         self.fPluginCount -= 1

  1644.         self.fPluginList.pop(pluginId)

  1645.         self.ui.listWidget.takeItem(pluginId)

  1646. 

  1647.         if pitem is not None:

  1648.             pitem.close()

  1649.             del pitem

  1650. 

  1651.         if self.fPluginCount == 0:

  1652.             # self.ui.act_plugin_remove_all.setEnabled(False)

  1653.             self.setMenuMacrosEnabled(False)

  1654.             if self.fCurrentlyRemovingAllPlugins:

  1655.                 self.fCurrentlyRemovingAllPlugins = False

  1656.                 self.projectLoadingFinished(False)

  1657.             return

  1658. 

  1659.         # push all plugins 1 slot back

  1660.         for i in range(pluginId, self.fPluginCount):

  1661.             pitem = self.fPluginList[i]

  1662.             pitem.setPluginId(i)

  1663. 

  1664.         # self.ui.act_plugin_remove_all.setEnabled(True)

  1665.         self.setMenuMacrosEnabled(True)

  1666. 

  1667. 

  1668.     # --------------------------------------------------------------------------------------------------------

  1669.     # Canvas

  1670. 

  1671.     def clearSideStuff(self):

  1672.         if self.fWithCanvas:

  1673.             self.scene.clearSelection()

  1674. 

  1675.         self.fSelectedPlugins = []

  1676. 

  1677.         self.ui.keyboard.allNotesOff(False)

  1678.         self.ui.scrollArea.setEnabled(False)

  1679. 

  1680.         self.fPeaksCleared = True

  1681.         self.ui.peak_in.displayMeter(1, 0.0, True)

  1682.         self.ui.peak_in.displayMeter(2, 0.0, True)

  1683.         self.ui.peak_out.displayMeter(1, 0.0, True)

  1684.         self.ui.peak_out.displayMeter(2, 0.0, True)

  1685. 

  1686.     def setupCanvas(self):

  1687.         pOptions = patchcanvas.options_t()

  1688.         pOptions.theme_name        = self.fSavedSettings[CARLA_KEY_CANVAS_THEME]

  1689.         pOptions.auto_hide_groups  = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS]

  1690.         pOptions.auto_select_items = self.fSavedSettings[CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS]

  1691.         pOptions.use_bezier_lines  = self.fSavedSettings[CARLA_KEY_CANVAS_USE_BEZIER_LINES]

  1692.         pOptions.antialiasing      = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING]

  1693.         pOptions.inline_displays   = self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS]

  1694. 

  1695.         if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY]:

  1696.             pOptions.eyecandy = patchcanvas.EYECANDY_FULL

  1697.         elif self.fSavedSettings[CARLA_KEY_CANVAS_EYE_CANDY]:

  1698.             pOptions.eyecandy = patchcanvas.EYECANDY_SMALL

  1699.         else:

  1700.             pOptions.eyecandy = patchcanvas.EYECANDY_NONE

  1701. 

  1702.         pFeatures = patchcanvas.features_t()

  1703.         pFeatures.group_info   = False

  1704.         pFeatures.group_rename = False

  1705.         pFeatures.port_info    = False

  1706.         pFeatures.port_rename  = False

  1707.         pFeatures.handle_group_pos = False

  1708. 

  1709.         patchcanvas.setOptions(pOptions)

  1710.         patchcanvas.setFeatures(pFeatures)

  1711.         patchcanvas.init("Carla2", self.scene, canvasCallback, False)

  1712. 

  1713.         tryCanvasSize = self.fSavedSettings[CARLA_KEY_CANVAS_SIZE].split("x")

  1714. 

  1715.         if len(tryCanvasSize) == 2 and tryCanvasSize[0].isdigit() and tryCanvasSize[1].isdigit():

  1716.             self.fCanvasWidth  = int(tryCanvasSize[0])

  1717.             self.fCanvasHeight = int(tryCanvasSize[1])

  1718.         else:

  1719.             self.fCanvasWidth  = CARLA_DEFAULT_CANVAS_SIZE_WIDTH

  1720.             self.fCanvasHeight = CARLA_DEFAULT_CANVAS_SIZE_HEIGHT

  1721. 

  1722.         patchcanvas.setCanvasSize(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1723.         patchcanvas.setInitialPos(self.fCanvasWidth / 2, self.fCanvasHeight / 2)

  1724.         self.ui.graphicsView.setSceneRect(0, 0, self.fCanvasWidth, self.fCanvasHeight)

  1725. 

  1726.         self.ui.miniCanvasPreview.setViewTheme(patchcanvas.canvas.theme.canvas_bg, patchcanvas.canvas.theme.rubberband_brush, patchcanvas.canvas.theme.rubberband_pen.color())

  1727.         self.ui.miniCanvasPreview.init(self.scene, self.fCanvasWidth, self.fCanvasHeight, self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])

  1728. 

  1729.         if self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] != patchcanvas.ANTIALIASING_NONE:

  1730.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, True)

  1731. 

  1732.             fullAA = self.fSavedSettings[CARLA_KEY_CANVAS_ANTIALIASING] == patchcanvas.ANTIALIASING_FULL

  1733.             self.ui.graphicsView.setRenderHint(QPainter.SmoothPixmapTransform, fullAA)

  1734.             self.ui.graphicsView.setRenderHint(QPainter.TextAntialiasing, fullAA)

  1735. 

  1736.             if self.fSavedSettings[CARLA_KEY_CANVAS_USE_OPENGL] and hasGL and QPainter.HighQualityAntialiasing is not None:

  1737.                 self.ui.graphicsView.setRenderHint(QPainter.HighQualityAntialiasing, self.fSavedSettings[CARLA_KEY_CANVAS_HQ_ANTIALIASING])

  1738. 

  1739.         else:

  1740.             self.ui.graphicsView.setRenderHint(QPainter.Antialiasing, False)

  1741. 

  1742.         if self.fSavedSettings[CARLA_KEY_CANVAS_FULL_REPAINTS]:

  1743.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.FullViewportUpdate)

  1744.         else:

  1745.             self.ui.graphicsView.setViewportUpdateMode(QGraphicsView.MinimalViewportUpdate)

  1746. 

  1747.     def updateCanvasInitialPos(self):

  1748.         x = self.ui.graphicsView.horizontalScrollBar().value() + self.width()/4

  1749.         y = self.ui.graphicsView.verticalScrollBar().value() + self.height()/4

  1750.         patchcanvas.setInitialPos(x, y)

  1751. 

  1752.     def updateMiniCanvasLater(self):

  1753.         QTimer.singleShot(self.fMiniCanvasUpdateTimeout, self.ui.miniCanvasPreview.update)

  1754. 

  1755.     # --------------------------------------------------------------------------------------------------------

  1756.     # Canvas (menu actions)

  1757. 

  1758.     @pyqtSlot()

  1759.     def slot_canvasShowInternal(self):

  1760.         self.fExternalPatchbay = False

  1761.         self.ui.act_canvas_show_internal.blockSignals(True)

  1762.         self.ui.act_canvas_show_external.blockSignals(True)

  1763.         self.ui.act_canvas_show_internal.setChecked(True)

  1764.         self.ui.act_canvas_show_external.setChecked(False)

  1765.         self.ui.act_canvas_show_internal.blockSignals(False)

  1766.         self.ui.act_canvas_show_external.blockSignals(False)

  1767.         self.slot_canvasRefresh()

  1768. 

  1769.     @pyqtSlot()

  1770.     def slot_canvasShowExternal(self):

  1771.         self.fExternalPatchbay = True

  1772.         self.ui.act_canvas_show_internal.blockSignals(True)

  1773.         self.ui.act_canvas_show_external.blockSignals(True)

  1774.         self.ui.act_canvas_show_internal.setChecked(False)

  1775.         self.ui.act_canvas_show_external.setChecked(True)

  1776.         self.ui.act_canvas_show_internal.blockSignals(False)

  1777.         self.ui.act_canvas_show_external.blockSignals(False)

  1778.         self.slot_canvasRefresh()

  1779. 

  1780.     @pyqtSlot()

  1781.     def slot_canvasArrange(self):

  1782.         patchcanvas.arrange()

  1783. 

  1784.     @pyqtSlot()

  1785.     def slot_canvasRefresh(self):

  1786.         patchcanvas.clear()

  1787. 

  1788.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  1789.             return

  1790. 

  1791.         if self.host.is_engine_running():

  1792.             self.host.patchbay_refresh(self.fExternalPatchbay)

  1793. 

  1794.         self.updateMiniCanvasLater()

  1795. 

  1796.     @pyqtSlot()

  1797.     def slot_canvasZoomFit(self):

  1798.         self.scene.zoom_fit()

  1799. 

  1800.     @pyqtSlot()

  1801.     def slot_canvasZoomIn(self):

  1802.         self.scene.zoom_in()

  1803. 

  1804.     @pyqtSlot()

  1805.     def slot_canvasZoomOut(self):

  1806.         self.scene.zoom_out()

  1807. 

  1808.     @pyqtSlot()

  1809.     def slot_canvasZoomReset(self):

  1810.         self.scene.zoom_reset()

  1811. 

  1812.     def _canvasImageRender(self, zoom = 1.0):

  1813.         image   = QImage(self.scene.width()*zoom, self.scene.height()*zoom, QImage.Format_RGB32)

  1814.         painter = QPainter(image)

  1815.         painter.save()

  1816.         painter.setRenderHints(painter.renderHints() | QPainter.Antialiasing | QPainter.TextAntialiasing)

  1817.         self.scene.clearSelection()

  1818.         self.scene.render(painter)

  1819.         painter.restore()

  1820.         del painter

  1821.         return image

  1822. 

  1823.     def _canvasImageWrite(self, iw: QImageWriter, imgFormat: bytes, image: QImage):

  1824.         iw.setFormat(imgFormat)

  1825.         iw.setCompression(-1)

  1826.         if QT_VERSION >= 0x50500:

  1827.             iw.setOptimizedWrite(True)

  1828.         iw.write(image)

  1829. 

  1830.     @pyqtSlot()

  1831.     def slot_canvasSaveImage(self):

  1832.         if self.fProjectFilename:

  1833.             dir = QFileInfo(self.fProjectFilename).absoluteDir().absolutePath()

  1834.         else:

  1835.             dir = self.fSavedSettings[CARLA_KEY_MAIN_PROJECT_FOLDER]

  1836. 

  1837.         fileDialog = QFileDialog(self)

  1838.         fileDialog.setAcceptMode(QFileDialog.AcceptSave)

  1839.         fileDialog.setDirectory(dir)

  1840.         fileDialog.setFileMode(QFileDialog.AnyFile)

  1841.         fileDialog.setMimeTypeFilters(("image/png", "image/jpeg"))

  1842.         fileDialog.setNameFilter(self.tr("Images (*.png *.jpg)"))

  1843.         fileDialog.setOptions(QFileDialog.DontUseCustomDirectoryIcons)

  1844.         fileDialog.setWindowTitle(self.tr("Save Image"))

  1845. 

  1846.         ok = fileDialog.exec_()

  1847. 

  1848.         if not ok:

  1849.             return

  1850. 

  1851.         newPath = fileDialog.selectedFiles()

  1852. 

  1853.         if len(newPath) != 1:

  1854.             return

  1855. 

  1856.         newPath = newPath[0]

  1857. 

  1858.         if QT_VERSION >= 0x50900:

  1859.             if fileDialog.selectedMimeTypeFilter() == "image/jpeg":

  1860.                 imgFormat = b"JPG"

  1861.             else:

  1862.                 imgFormat = b"PNG"

  1863.         else:

  1864.             if newPath.lower().endswith((".jpg", ".jpeg")):

  1865.                 imgFormat = b"JPG"

  1866.             else:

  1867.                 imgFormat = b"PNG"

  1868. 

  1869.         sender = self.sender()

  1870.         if sender == self.ui.act_canvas_save_image_2x:

  1871.             zoom = 2.0

  1872.         elif sender == self.ui.act_canvas_save_image_4x:

  1873.             zoom = 4.0

  1874.         else:

  1875.             zoom = 1.0

  1876. 

  1877.         image = self._canvasImageRender(zoom)

  1878.         iw = QImageWriter(newPath)

  1879.         self._canvasImageWrite(iw, imgFormat, image)

  1880. 

  1881.     @pyqtSlot()

  1882.     def slot_canvasCopyToClipboard(self):

  1883.         buffer = QBuffer()

  1884.         buffer.open(QIODevice.WriteOnly)

  1885. 

  1886.         image = self._canvasImageRender()

  1887.         iw = QImageWriter(buffer, b"PNG")

  1888.         self._canvasImageWrite(iw, b"PNG", image)

  1889. 

  1890.         buffer.close()

  1891. 

  1892.         mimeData = QMimeData()

  1893.         mimeData.setData("image/png", buffer.buffer());

  1894. 

  1895.         QApplication.clipboard().setMimeData(mimeData)

  1896. 

  1897.     # --------------------------------------------------------------------------------------------------------

  1898.     # Canvas (canvas callbacks)

  1899. 

  1900.     @pyqtSlot()

  1901.     def slot_canvasSelectionChanged(self):

  1902.         self.updateMiniCanvasLater()

  1903. 

  1904.     @pyqtSlot(float)

  1905.     def slot_canvasScaleChanged(self, scale):

  1906.         self.ui.miniCanvasPreview.setViewScale(scale)

  1907. 

  1908.     @pyqtSlot(list)

  1909.     def slot_canvasPluginSelected(self, pluginList):

  1910.         self.ui.keyboard.allNotesOff(False)

  1911.         self.ui.scrollArea.setEnabled(len(pluginList) != 0) # and self.fPluginCount > 0

  1912.         self.fSelectedPlugins = pluginList

  1913. 

  1914.     # --------------------------------------------------------------------------------------------------------

  1915.     # Canvas (host callbacks)

  1916. 

  1917.     @pyqtSlot(int, int, int, str)

  1918.     def slot_handlePatchbayClientAddedCallback(self, clientId, clientIcon, pluginId, clientName):

  1919.         pcSplit = patchcanvas.SPLIT_UNDEF

  1920.         pcIcon  = patchcanvas.ICON_APPLICATION

  1921. 

  1922.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1923.             pcIcon = patchcanvas.ICON_PLUGIN

  1924.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1925.             pcIcon = patchcanvas.ICON_HARDWARE

  1926.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1927.             pass

  1928.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1929.             pcIcon = patchcanvas.ICON_DISTRHO

  1930.         elif clientIcon == PATCHBAY_ICON_FILE:

  1931.             pcIcon = patchcanvas.ICON_FILE

  1932. 

  1933.         patchcanvas.addGroup(clientId, clientName, pcSplit, pcIcon)

  1934. 

  1935.         self.updateMiniCanvasLater()

  1936. 

  1937.         if pluginId < 0:

  1938.             return

  1939.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1940.             print("Error mapping plugin to canvas client:", clientName)

  1941.             return

  1942. 

  1943.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1944.             hasCustomUI = False

  1945.             hasInlineDisplay = False

  1946.         else:

  1947.             hints = self.host.get_plugin_info(pluginId)['hints']

  1948.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1949.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1950. 

  1951.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1952. 

  1953.     @pyqtSlot(int)

  1954.     def slot_handlePatchbayClientRemovedCallback(self, clientId):

  1955.         patchcanvas.removeGroup(clientId)

  1956.         self.updateMiniCanvasLater()

  1957. 

  1958.     @pyqtSlot(int, str)

  1959.     def slot_handlePatchbayClientRenamedCallback(self, clientId, newClientName):

  1960.         patchcanvas.renameGroup(clientId, newClientName)

  1961.         self.updateMiniCanvasLater()

  1962. 

  1963.     @pyqtSlot(int, int, int)

  1964.     def slot_handlePatchbayClientDataChangedCallback(self, clientId, clientIcon, pluginId):

  1965.         pcIcon = patchcanvas.ICON_APPLICATION

  1966. 

  1967.         if clientIcon == PATCHBAY_ICON_PLUGIN:

  1968.             pcIcon = patchcanvas.ICON_PLUGIN

  1969.         if clientIcon == PATCHBAY_ICON_HARDWARE:

  1970.             pcIcon = patchcanvas.ICON_HARDWARE

  1971.         elif clientIcon == PATCHBAY_ICON_CARLA:

  1972.             pass

  1973.         elif clientIcon == PATCHBAY_ICON_DISTRHO:

  1974.             pcIcon = patchcanvas.ICON_DISTRHO

  1975.         elif clientIcon == PATCHBAY_ICON_FILE:

  1976.             pcIcon = patchcanvas.ICON_FILE

  1977. 

  1978.         patchcanvas.setGroupIcon(clientId, pcIcon)

  1979.         self.updateMiniCanvasLater()

  1980. 

  1981.         if pluginId < 0:

  1982.             return

  1983.         if pluginId >= self.fPluginCount and pluginId != MAIN_CARLA_PLUGIN_ID:

  1984.             print("sorry, can't map this plugin to canvas client", pluginId, self.fPluginCount)

  1985.             return

  1986. 

  1987.         if pluginId == MAIN_CARLA_PLUGIN_ID:

  1988.             hasCustomUI = False

  1989.             hasInlineDisplay = False

  1990.         else:

  1991.             hints = self.host.get_plugin_info(pluginId)['hints']

  1992.             hasCustomUI = bool(hints & PLUGIN_HAS_CUSTOM_UI)

  1993.             hasInlineDisplay = bool(hints & PLUGIN_HAS_INLINE_DISPLAY)

  1994. 

  1995.         patchcanvas.setGroupAsPlugin(clientId, pluginId, hasCustomUI, hasInlineDisplay)

  1996. 

  1997.     @pyqtSlot(int, int, int, int, int)

  1998.     def slot_handlePatchbayClientPositionChangedCallback(self, clientId, x1, y1, x2, y2):

  1999.         if (x1 != 0 and x2 != 0) or (y1 != 0 and y2 != 0):

  2000.             patchcanvas.splitGroup(clientId)

  2001.         else:

  2002.             patchcanvas.joinGroup(clientId)

  2003.         patchcanvas.setGroupPosFull(clientId, x1, y1, x2, y2)

  2004.         self.updateMiniCanvasLater()

  2005. 

  2006.     @pyqtSlot(int, int, int, int, str)

  2007.     def slot_handlePatchbayPortAddedCallback(self, clientId, portId, portFlags, portGroupId, portName):

  2008.         if portFlags & PATCHBAY_PORT_IS_INPUT:

  2009.             portMode = patchcanvas.PORT_MODE_INPUT

  2010.         else:

  2011.             portMode = patchcanvas.PORT_MODE_OUTPUT

  2012. 

  2013.         if portFlags & PATCHBAY_PORT_TYPE_AUDIO:

  2014.             portType    = patchcanvas.PORT_TYPE_AUDIO_JACK

  2015.             isAlternate = False

  2016.         elif portFlags & PATCHBAY_PORT_TYPE_CV:

  2017.             portType    = patchcanvas.PORT_TYPE_PARAMETER

  2018.             isAlternate = False

  2019.         elif portFlags & PATCHBAY_PORT_TYPE_MIDI:

  2020.             portType    = patchcanvas.PORT_TYPE_MIDI_JACK

  2021.             isAlternate = False

  2022.         else:

  2023.             portType    = patchcanvas.PORT_TYPE_NULL

  2024.             isAlternate = False

  2025. 

  2026.         patchcanvas.addPort(clientId, portId, portName, portMode, portType, isAlternate)

  2027.         self.updateMiniCanvasLater()

  2028. 

  2029.     @pyqtSlot(int, int)

  2030.     def slot_handlePatchbayPortRemovedCallback(self, groupId, portId):

  2031.         patchcanvas.removePort(groupId, portId)

  2032.         self.updateMiniCanvasLater()

  2033. 

  2034.     @pyqtSlot(int, int, int, int, str)

  2035.     def slot_handlePatchbayPortChangedCallback(self, groupId, portId, portFlags, portGroupId, newPortName):

  2036.         patchcanvas.renamePort(groupId, portId, newPortName)

  2037.         self.updateMiniCanvasLater()

  2038. 

  2039.     @pyqtSlot(int, int, int, str)

  2040.     def slot_handlePatchbayPortGroupAddedCallback(self, groupId, portId, portGroupId, newPortName):

  2041.         # TODO

  2042.         pass

  2043. 

  2044.     @pyqtSlot(int, int)

  2045.     def slot_handlePatchbayPortGroupRemovedCallback(self, groupId, portId):

  2046.         # TODO

  2047.         pass

  2048. 

  2049.     @pyqtSlot(int, int, int, str)

  2050.     def slot_handlePatchbayPortGroupChangedCallback(self, groupId, portId, portGroupId, newPortName):

  2051.         # TODO

  2052.         pass

  2053. 

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

  2055.     def slot_handlePatchbayConnectionAddedCallback(self, connectionId, groupOutId, portOutId, groupInId, portInId):

  2056.         patchcanvas.connectPorts(connectionId, groupOutId, portOutId, groupInId, portInId)

  2057.         self.updateMiniCanvasLater()

  2058. 

  2059.     @pyqtSlot(int, int, int)

  2060.     def slot_handlePatchbayConnectionRemovedCallback(self, connectionId, portOutId, portInId):

  2061.         patchcanvas.disconnectPorts(connectionId)

  2062.         self.updateMiniCanvasLater()

  2063. 

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

  2065.     # Settings

  2066. 

  2067.     def saveSettings(self):

  2068.         settings = QSafeSettings()

  2069. 

  2070.         settings.setValue("Geometry", self.saveGeometry())

  2071.         settings.setValue("ShowToolbar", self.ui.toolBar.isEnabled())

  2072.         settings.setValue("ShowToolbarText", self.ui.act_settings_show_toolbar_text.isChecked())

  2073.         settings.setValue("ShowSidePanel", self.ui.dockWidget.isEnabled())

  2074. 

  2075.         diskFolders = []

  2076. 

  2077.         for i in range(self.ui.cb_disk.count()):

  2078.             diskFolders.append(self.ui.cb_disk.itemData(i))

  2079. 

  2080.         settings.setValue("DiskFolders", diskFolders)

  2081.         settings.setValue("LastBPM", self.fLastTransportBPM)

  2082. 

  2083.         settings.setValue("ShowMeters", self.ui.act_settings_show_meters.isChecked())

  2084.         settings.setValue("ShowKeyboard", self.ui.act_settings_show_keyboard.isChecked())

  2085.         settings.setValue("HorizontalScrollBarValue", self.ui.graphicsView.horizontalScrollBar().value())

  2086.         settings.setValue("VerticalScrollBarValue", self.ui.graphicsView.verticalScrollBar().value())

  2087. 

  2088.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_MODE,  self.host.transportMode)

  2089.         settings.setValue(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, self.host.transportExtra)

  2090. 

  2091.         return settings

  2092. 

  2093.     def loadSettings(self, firstTime):

  2094.         settings = QSafeSettings()

  2095. 

  2096.         if self.fPluginListDialog is not None:

  2097.             gCarla.felib.destroyPluginListDialog(self.fPluginListDialog)

  2098.             self.fPluginListDialog = None

  2099. 

  2100.         if firstTime:

  2101.             geometry = settings.value("Geometry", QByteArray(), QByteArray)

  2102.             if not geometry.isNull():

  2103.                 self.restoreGeometry(geometry)

  2104. 

  2105.             showToolbar = settings.value("ShowToolbar", True, bool)

  2106.             self.ui.act_settings_show_toolbar.setChecked(showToolbar)

  2107.             self.ui.act_settings_show_toolbar_text.setEnabled(showToolbar)

  2108.             self.ui.toolBar.blockSignals(True)

  2109.             self.ui.toolBar.setEnabled(showToolbar)

  2110.             self.ui.toolBar.setVisible(showToolbar)

  2111.             self.ui.toolBar.blockSignals(False)

  2112. 

  2113.             showToolbarText = settings.value("ShowToolbarText", True, bool)

  2114.             self.ui.act_settings_show_toolbar_text.setChecked(showToolbarText)

  2115.             self.ui.toolBar.blockSignals(True)

  2116. 

  2117.             for btn in self.ui.toolBar.findChildren(QToolButton):

  2118.                 if showToolbarText:

  2119.                     btn.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)

  2120.                 else:

  2121.                     btn.setToolButtonStyle(Qt.ToolButtonIconOnly)

  2122. 

  2123.             self.ui.toolBar.blockSignals(False)

  2124. 

  2125.             #if settings.contains("SplitterState"):

  2126.                 #self.ui.splitter.restoreState(settings.value("SplitterState", b""))

  2127.             #else:

  2128.                 #self.ui.splitter.setSizes([210, 99999])

  2129. 

  2130.             showSidePanel = settings.value("ShowSidePanel", True, bool)

  2131.             self.ui.act_settings_show_side_panel.setChecked(showSidePanel)

  2132.             self.slot_showSidePanel(showSidePanel)

  2133. 

  2134.             diskFolders = settings.value("DiskFolders", [HOME], list)

  2135. 

  2136.             self.ui.cb_disk.setItemData(0, HOME)

  2137. 

  2138.             for i in range(len(diskFolders)):

  2139.                 if i == 0: continue

  2140.                 folder = diskFolders[i]

  2141.                 self.ui.cb_disk.addItem(os.path.basename(folder), folder)

  2142. 

  2143.             #if CARLA_OS_MAC and not settings.value(CARLA_KEY_MAIN_USE_PRO_THEME, True, bool):

  2144.             #    self.setUnifiedTitleAndToolBarOnMac(True)

  2145. 

  2146.             showMeters = settings.value("ShowMeters", True, bool)

  2147.             self.ui.act_settings_show_meters.setChecked(showMeters)

  2148.             self.ui.peak_in.setVisible(showMeters)

  2149.             self.ui.peak_out.setVisible(showMeters)

  2150. 

  2151.             showKeyboard = settings.value("ShowKeyboard", True, bool)

  2152.             self.ui.act_settings_show_keyboard.setChecked(showKeyboard)

  2153.             self.ui.scrollArea.setVisible(showKeyboard)

  2154. 

  2155.             settingsDBf = QSafeSettings("falkTX", "CarlaDatabase2")

  2156.             self.fFavoritePlugins = settingsDBf.value("PluginDatabase/Favorites", [], list)

  2157. 

  2158.             QTimer.singleShot(100, self.slot_restoreCanvasScrollbarValues)

  2159. 

  2160.         # TODO - complete this

  2161.         oldSettings = self.fSavedSettings

  2162. 

  2163.         if self.host.audioDriverForced is not None:

  2164.             audioDriver = self.host.audioDriverForced

  2165.         else:

  2166.             audioDriver = settings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, str)

  2167. 

  2168.         audioDriverPrefix = CARLA_KEY_ENGINE_DRIVER_PREFIX + audioDriver

  2169. 

  2170.         self.fSavedSettings = {

  2171.             CARLA_KEY_MAIN_PROJECT_FOLDER:      settings.value(CARLA_KEY_MAIN_PROJECT_FOLDER,      CARLA_DEFAULT_MAIN_PROJECT_FOLDER,      str),

  2172.             CARLA_KEY_MAIN_CONFIRM_EXIT:        settings.value(CARLA_KEY_MAIN_CONFIRM_EXIT,        CARLA_DEFAULT_MAIN_CONFIRM_EXIT,        bool),

  2173.             CARLA_KEY_MAIN_CLASSIC_SKIN:        settings.value(CARLA_KEY_MAIN_CLASSIC_SKIN,        CARLA_DEFAULT_MAIN_CLASSIC_SKIN,        bool),

  2174.             CARLA_KEY_MAIN_REFRESH_INTERVAL:    settings.value(CARLA_KEY_MAIN_REFRESH_INTERVAL,    CARLA_DEFAULT_MAIN_REFRESH_INTERVAL,    int),

  2175.             CARLA_KEY_MAIN_SYSTEM_ICONS:        settings.value(CARLA_KEY_MAIN_SYSTEM_ICONS,        CARLA_DEFAULT_MAIN_SYSTEM_ICONS,        bool),

  2176.             CARLA_KEY_MAIN_EXPERIMENTAL:        settings.value(CARLA_KEY_MAIN_EXPERIMENTAL,        CARLA_DEFAULT_MAIN_EXPERIMENTAL,        bool),

  2177.             CARLA_KEY_MAIN_SKIN_TWEAKS:         settings.value(CARLA_KEY_MAIN_SKIN_TWEAKS,         CARLA_DEFAULT_MAIN_SKIN_TWEAKS,         str),

  2178.             CARLA_KEY_CANVAS_THEME:             settings.value(CARLA_KEY_CANVAS_THEME,             CARLA_DEFAULT_CANVAS_THEME,             str),

  2179.             CARLA_KEY_CANVAS_SIZE:              settings.value(CARLA_KEY_CANVAS_SIZE,              CARLA_DEFAULT_CANVAS_SIZE,              str),

  2180.             CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS:  settings.value(CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS,  CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS,  bool),

  2181.             CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS: settings.value(CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS, CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS, bool),

  2182.             CARLA_KEY_CANVAS_USE_BEZIER_LINES:  settings.value(CARLA_KEY_CANVAS_USE_BEZIER_LINES,  CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES,  bool),

  2183.             CARLA_KEY_CANVAS_EYE_CANDY:         settings.value(CARLA_KEY_CANVAS_EYE_CANDY,         CARLA_DEFAULT_CANVAS_EYE_CANDY,         bool),

  2184.             CARLA_KEY_CANVAS_FANCY_EYE_CANDY:   settings.value(CARLA_KEY_CANVAS_FANCY_EYE_CANDY,   CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY,   bool),

  2185.             CARLA_KEY_CANVAS_USE_OPENGL:        settings.value(CARLA_KEY_CANVAS_USE_OPENGL,        CARLA_DEFAULT_CANVAS_USE_OPENGL,        bool),

  2186.             CARLA_KEY_CANVAS_ANTIALIASING:      settings.value(CARLA_KEY_CANVAS_ANTIALIASING,      CARLA_DEFAULT_CANVAS_ANTIALIASING,      int),

  2187.             CARLA_KEY_CANVAS_HQ_ANTIALIASING:   settings.value(CARLA_KEY_CANVAS_HQ_ANTIALIASING,   CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING,   bool),

  2188.             CARLA_KEY_CANVAS_FULL_REPAINTS:     settings.value(CARLA_KEY_CANVAS_FULL_REPAINTS,     CARLA_DEFAULT_CANVAS_FULL_REPAINTS,     bool),

  2189.             CARLA_KEY_CUSTOM_PAINTING:         (settings.value(CARLA_KEY_MAIN_USE_PRO_THEME,    True,   bool) and

  2190.                                                 settings.value(CARLA_KEY_MAIN_PRO_THEME_COLOR, "Black", str).lower() == "black"),

  2191. 

  2192.             # engine

  2193.             CARLA_KEY_ENGINE_AUDIO_DRIVER: audioDriver,

  2194.             CARLA_KEY_ENGINE_AUDIO_DEVICE: settings.value(audioDriverPrefix+"/Device", "", str),

  2195.             CARLA_KEY_ENGINE_BUFFER_SIZE: settings.value(audioDriverPrefix+"/BufferSize", CARLA_DEFAULT_AUDIO_BUFFER_SIZE, int),

  2196.             CARLA_KEY_ENGINE_SAMPLE_RATE: settings.value(audioDriverPrefix+"/SampleRate", CARLA_DEFAULT_AUDIO_SAMPLE_RATE, int),

  2197.             CARLA_KEY_ENGINE_TRIPLE_BUFFER: settings.value(audioDriverPrefix+"/TripleBuffer", CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER, bool),

  2198. 

  2199.             # file paths

  2200.             CARLA_KEY_PATHS_AUDIO: splitter.join(settings.value(CARLA_KEY_PATHS_AUDIO, CARLA_DEFAULT_FILE_PATH_AUDIO, list)),

  2201.             CARLA_KEY_PATHS_MIDI: splitter.join(settings.value(CARLA_KEY_PATHS_MIDI,  CARLA_DEFAULT_FILE_PATH_MIDI, list)),

  2202. 

  2203.             # plugin paths

  2204.             CARLA_KEY_PATHS_LADSPA: splitter.join(settings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH, list)),

  2205.             CARLA_KEY_PATHS_DSSI: splitter.join(settings.value(CARLA_KEY_PATHS_DSSI, CARLA_DEFAULT_DSSI_PATH, list)),

  2206.             CARLA_KEY_PATHS_LV2: splitter.join(settings.value(CARLA_KEY_PATHS_LV2, CARLA_DEFAULT_LV2_PATH, list)),

  2207.             CARLA_KEY_PATHS_VST2: splitter.join(settings.value(CARLA_KEY_PATHS_VST2, CARLA_DEFAULT_VST2_PATH, list)),

  2208.             CARLA_KEY_PATHS_VST3: splitter.join(settings.value(CARLA_KEY_PATHS_VST3, CARLA_DEFAULT_VST3_PATH, list)),

  2209.             CARLA_KEY_PATHS_SF2: splitter.join(settings.value(CARLA_KEY_PATHS_SF2, CARLA_DEFAULT_SF2_PATH, list)),

  2210.             CARLA_KEY_PATHS_SFZ: splitter.join(settings.value(CARLA_KEY_PATHS_SFZ, CARLA_DEFAULT_SFZ_PATH, list)),

  2211.             CARLA_KEY_PATHS_JSFX: splitter.join(settings.value(CARLA_KEY_PATHS_JSFX, CARLA_DEFAULT_JSFX_PATH, list)),

  2212.             CARLA_KEY_PATHS_CLAP: splitter.join(settings.value(CARLA_KEY_PATHS_CLAP, CARLA_DEFAULT_CLAP_PATH, list)),

  2213. 

  2214.             # osc

  2215.             CARLA_KEY_OSC_ENABLED: settings.value(CARLA_KEY_OSC_ENABLED, CARLA_DEFAULT_OSC_ENABLED, bool),

  2216.             CARLA_KEY_OSC_TCP_PORT_ENABLED: settings.value(CARLA_KEY_OSC_TCP_PORT_ENABLED, CARLA_DEFAULT_OSC_TCP_PORT_ENABLED, bool),

  2217.             CARLA_KEY_OSC_TCP_PORT_RANDOM: settings.value(CARLA_KEY_OSC_TCP_PORT_RANDOM, CARLA_DEFAULT_OSC_TCP_PORT_RANDOM, bool),

  2218.             CARLA_KEY_OSC_TCP_PORT_NUMBER: settings.value(CARLA_KEY_OSC_TCP_PORT_NUMBER, CARLA_DEFAULT_OSC_TCP_PORT_NUMBER, int),

  2219.             CARLA_KEY_OSC_UDP_PORT_ENABLED: settings.value(CARLA_KEY_OSC_UDP_PORT_ENABLED, CARLA_DEFAULT_OSC_UDP_PORT_ENABLED, bool),

  2220.             CARLA_KEY_OSC_UDP_PORT_RANDOM: settings.value(CARLA_KEY_OSC_UDP_PORT_RANDOM, CARLA_DEFAULT_OSC_UDP_PORT_RANDOM, bool),

  2221.             CARLA_KEY_OSC_UDP_PORT_NUMBER: settings.value(CARLA_KEY_OSC_UDP_PORT_NUMBER, CARLA_DEFAULT_OSC_UDP_PORT_NUMBER, int),

  2222. 

  2223.             # wine

  2224.             CARLA_KEY_WINE_EXECUTABLE: settings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, str),

  2225.             CARLA_KEY_WINE_AUTO_PREFIX: settings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, bool),

  2226.             CARLA_KEY_WINE_FALLBACK_PREFIX: settings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, str),

  2227.             CARLA_KEY_WINE_RT_PRIO_ENABLED: settings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, bool),

  2228.             CARLA_KEY_WINE_BASE_RT_PRIO: settings.value(CARLA_KEY_WINE_BASE_RT_PRIO, CARLA_DEFAULT_WINE_BASE_RT_PRIO, int),

  2229.             CARLA_KEY_WINE_SERVER_RT_PRIO: settings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, int),

  2230. 

  2231.             # experimental switches

  2232.             CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES:

  2233.                 settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, bool),

  2234.             CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES:

  2235.                 settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, bool),

  2236.         }

  2237. 

  2238.         if not self.host.isControl:

  2239.             self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS] = settings.value(CARLA_KEY_CANVAS_INLINE_DISPLAYS, CARLA_DEFAULT_CANVAS_INLINE_DISPLAYS, bool)

  2240.         else:

  2241.             self.fSavedSettings[CARLA_KEY_CANVAS_INLINE_DISPLAYS] = False

  2242. 

  2243.         settings2 = QSafeSettings("falkTX", "Carla2")

  2244. 

  2245.         if self.host.experimental:

  2246.             visible = settings2.value(CARLA_KEY_EXPERIMENTAL_JACK_APPS, CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS, bool)

  2247.             self.ui.act_plugin_add_jack.setVisible(visible)

  2248.         else:

  2249.             self.ui.act_plugin_add_jack.setVisible(False)

  2250. 

  2251.         self.fMiniCanvasUpdateTimeout = 1000 if self.fSavedSettings[CARLA_KEY_CANVAS_FANCY_EYE_CANDY] else 0

  2252. 

  2253.         setEngineSettings(self.host, self.fSavedSettings)

  2254.         self.restartTimersIfNeeded()

  2255. 

  2256.         if oldSettings.get(CARLA_KEY_MAIN_CLASSIC_SKIN, None) not in (self.fSavedSettings[CARLA_KEY_MAIN_CLASSIC_SKIN], None):

  2257.             newSkin = "classic" if self.fSavedSettings[CARLA_KEY_MAIN_CLASSIC_SKIN] else None

  2258. 

  2259.             for pitem in self.fPluginList:

  2260.                 if pitem is None:

  2261.                     continue

  2262.                 pitem.recreateWidget(newSkin = newSkin)

  2263. 

  2264.         return settings

  2265. 

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

  2267.     # Settings (helpers)

  2268. 

  2269.     def enableTransport(self, enabled):

  2270.         self.ui.group_transport_controls.setEnabled(enabled)

  2271.         self.ui.group_transport_settings.setEnabled(enabled)

  2272. 

  2273.     @pyqtSlot()

  2274.     def slot_restoreCanvasScrollbarValues(self):

  2275.         settings = QSafeSettings()

  2276.         horiz = settings.value("HorizontalScrollBarValue", int(self.ui.graphicsView.horizontalScrollBar().maximum()/2), int)

  2277.         vertc = settings.value("VerticalScrollBarValue", int(self.ui.graphicsView.verticalScrollBar().maximum()/2), int)

  2278.         self.ui.graphicsView.horizontalScrollBar().setValue(horiz)

  2279.         self.ui.graphicsView.verticalScrollBar().setValue(vertc)

  2280. 

  2281.     # --------------------------------------------------------------------------------------------------------

  2282.     # Settings (menu actions)

  2283. 

  2284.     @pyqtSlot(bool)

  2285.     def slot_showSidePanel(self, yesNo):

  2286.         self.ui.dockWidget.setEnabled(yesNo)

  2287.         self.ui.dockWidget.setVisible(yesNo)

  2288. 

  2289.     @pyqtSlot(bool)

  2290.     def slot_showToolbar(self, yesNo):

  2291.         self.ui.toolBar.blockSignals(True)

  2292.         self.ui.toolBar.setEnabled(yesNo)

  2293.         self.ui.toolBar.setVisible(yesNo)

  2294.         self.ui.act_settings_show_toolbar_text.setEnabled(yesNo)

  2295.         self.ui.toolBar.blockSignals(False)

  2296. 

  2297.     @pyqtSlot(bool)

  2298.     def slot_showToolbarText(self, yesNo):

  2299.         self.ui.toolBar.blockSignals(True)

  2300. 

  2301.         for btn in self.ui.toolBar.findChildren(QToolButton):

  2302.             if yesNo:

  2303.                 btn.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)

  2304.             else:

  2305.                 btn.setToolButtonStyle(Qt.ToolButtonIconOnly)

  2306. 

  2307.         self.ui.toolBar.blockSignals(False)

  2308. 

  2309.     @pyqtSlot(bool)

  2310.     def slot_showCanvasMeters(self, yesNo):

  2311.         self.ui.peak_in.setVisible(yesNo)

  2312.         self.ui.peak_out.setVisible(yesNo)

  2313.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  2314. 

  2315.     @pyqtSlot(bool)

  2316.     def slot_showCanvasKeyboard(self, yesNo):

  2317.         self.ui.scrollArea.setVisible(yesNo)

  2318.         QTimer.singleShot(0, self.slot_miniCanvasCheckAll)

  2319. 

  2320.     @pyqtSlot()

  2321.     def slot_configureCarla(self):

  2322.         dialog = CarlaSettingsW(self.fParentOrSelf, self.host, True, hasGL)

  2323.         if not dialog.exec_():

  2324.             return

  2325. 

  2326.         self.loadSettings(False)

  2327. 

  2328.         if self.fWithCanvas:

  2329.             patchcanvas.clear()

  2330.             self.setupCanvas()

  2331.             self.slot_miniCanvasCheckAll()

  2332. 

  2333.         if self.host.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK and self.host.isPlugin:

  2334.             pass

  2335.         elif self.host.is_engine_running():

  2336.             self.host.patchbay_refresh(self.fExternalPatchbay)

  2337. 

  2338.     # --------------------------------------------------------------------------------------------------------

  2339.     # About (menu actions)

  2340. 

  2341.     @pyqtSlot()

  2342.     def slot_aboutCarla(self):

  2343.         gCarla.felib.createAndExecAboutDialog(self.fParentOrSelf,

  2344.                                               self.host.handle,

  2345.                                               self.host.isControl,

  2346.                                               self.host.isPlugin)

  2347. 

  2348.     @pyqtSlot()

  2349.     def slot_aboutQt(self):

  2350.         QApplication.instance().aboutQt()

  2351. 

  2352.     # --------------------------------------------------------------------------------------------------------

  2353.     # Disk (menu actions)

  2354. 

  2355.     @pyqtSlot(int)

  2356.     def slot_diskFolderChanged(self, index):

  2357.         if index < 0:

  2358.             return

  2359.         elif index == 0:

  2360.             filename = HOME

  2361.             self.ui.b_disk_remove.setEnabled(False)

  2362.         else:

  2363.             filename = self.ui.cb_disk.itemData(index)

  2364.             self.ui.b_disk_remove.setEnabled(True)

  2365. 

  2366.         self.fDirModel.setRootPath(filename)

  2367.         self.ui.fileTreeView.setRootIndex(self.fDirModel.index(filename))

  2368. 

  2369.     @pyqtSlot()

  2370.     def slot_diskFolderAdd(self):

  2371.         newPath = QFileDialog.getExistingDirectory(self, self.tr("New Folder"), "", QFileDialog.ShowDirsOnly)

  2372. 

  2373.         if newPath:

  2374.             if newPath[-1] == os.sep:

  2375.                 newPath = newPath[:-1]

  2376.             self.ui.cb_disk.addItem(os.path.basename(newPath), newPath)

  2377.             self.ui.cb_disk.setCurrentIndex(self.ui.cb_disk.count()-1)

  2378.             self.ui.b_disk_remove.setEnabled(True)

  2379. 

  2380.     @pyqtSlot()

  2381.     def slot_diskFolderRemove(self):

  2382.         index = self.ui.cb_disk.currentIndex()

  2383. 

  2384.         if index <= 0:

  2385.             return

  2386. 

  2387.         self.ui.cb_disk.removeItem(index)

  2388. 

  2389.         if self.ui.cb_disk.currentIndex() == 0:

  2390.             self.ui.b_disk_remove.setEnabled(False)

  2391. 

  2392.     @pyqtSlot(QModelIndex)

  2393.     def slot_fileTreeDoubleClicked(self, modelIndex):

  2394.         filename = self.fDirModel.filePath(modelIndex)

  2395. 

  2396.         if not self.ui.listWidget.isDragUrlValid(filename):

  2397.             return

  2398. 

  2399.         if not self.host.load_file(filename):

  2400.             CustomMessageBox(self, QMessageBox.Critical, self.tr("Error"),

  2401.                              self.tr("Failed to load file"),

  2402.                              self.host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  2403.             return

  2404. 

  2405.         if filename.endswith(".carxp"):

  2406.             self.loadExternalCanvasGroupPositionsIfNeeded(filename)

  2407. 

  2408.     # --------------------------------------------------------------------------------------------------------

  2409.     # Transport

  2410. 

  2411.     def refreshTransport(self, forced = False):

  2412.         if not self.ui.l_transport_time.isVisible():

  2413.             return

  2414.         if self.fSampleRate == 0.0 or not self.host.is_engine_running():

  2415.             return

  2416. 

  2417.         timeInfo = self.host.get_transport_info()

  2418.         playing  = timeInfo['playing']

  2419.         frame    = timeInfo['frame']

  2420.         bpm      = timeInfo['bpm']

  2421. 

  2422.         if playing != self.fLastTransportState or forced:

  2423.             if playing:

  2424.                 if self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS]:

  2425.                     icon = getIcon('media-playback-pause', 16, 'svgz')

  2426.                 else:

  2427.                     icon = QIcon(":/16x16/media-playback-pause.svgz")

  2428.                 self.ui.b_transport_play.setChecked(True)

  2429.                 self.ui.b_transport_play.setIcon(icon)

  2430.                 #self.ui.b_transport_play.setText(self.tr("&Pause"))

  2431.             else:

  2432.                 if self.fSavedSettings[CARLA_KEY_MAIN_SYSTEM_ICONS]:

  2433.                     icon = getIcon('media-playback-start', 16, 'svgz')

  2434.                 else:

  2435.                     icon = QIcon(":/16x16/media-playback-start.svgz")

  2436.                 self.ui.b_transport_play.setChecked(False)

  2437.                 self.ui.b_transport_play.setIcon(icon)

  2438.                 #self.ui.b_play.setText(self.tr("&Play"))

  2439. 

  2440.             self.fLastTransportState = playing

  2441. 

  2442.         if frame != self.fLastTransportFrame or forced:

  2443.             self.fLastTransportFrame = frame

  2444. 

  2445.             time = frame / self.fSampleRate

  2446.             secs =  time % 60

  2447.             mins = (time / 60) % 60

  2448.             hrs  = (time / 3600) % 60

  2449.             self.ui.l_transport_time.setText("%02i:%02i:%02i" % (hrs, mins, secs))

  2450. 

  2451.             frame1 =  frame % 1000

  2452.             frame2 = (frame / 1000) % 1000

  2453.             frame3 = (frame / 1000000) % 1000

  2454.             self.ui.l_transport_frame.setText("%03i'%03i'%03i" % (frame3, frame2, frame1))

  2455. 

  2456.             bar  = timeInfo['bar']

  2457.             beat = timeInfo['beat']

  2458.             tick = timeInfo['tick']

  2459.             self.ui.l_transport_bbt.setText("%03i|%02i|%04i" % (bar, beat, tick))

  2460. 

  2461.         if bpm != self.fLastTransportBPM or forced:

  2462.             self.fLastTransportBPM = bpm

  2463. 

  2464.             if bpm > 0.0:

  2465.                 self.ui.dsb_transport_bpm.blockSignals(True)

  2466.                 self.ui.dsb_transport_bpm.setValue(bpm)

  2467.                 self.ui.dsb_transport_bpm.blockSignals(False)

  2468.                 self.ui.dsb_transport_bpm.setStyleSheet("")

  2469.             else:

  2470.                 self.ui.dsb_transport_bpm.setStyleSheet("QDoubleSpinBox { color: palette(mid); }")

  2471. 

  2472.     # --------------------------------------------------------------------------------------------------------

  2473.     # Transport (menu actions)

  2474. 

  2475.     @pyqtSlot(bool)

  2476.     def slot_transportPlayPause(self, toggled):

  2477.         if self.host.isPlugin or not self.host.is_engine_running():

  2478.             return

  2479. 

  2480.         if toggled:

  2481.             self.host.transport_play()

  2482.         else:

  2483.             self.host.transport_pause()

  2484. 

  2485.         self.refreshTransport()

  2486. 

  2487.     @pyqtSlot()

  2488.     def slot_transportStop(self):

  2489.         if self.host.isPlugin or not self.host.is_engine_running():

  2490.             return

  2491. 

  2492.         self.host.transport_pause()

  2493.         self.host.transport_relocate(0)

  2494. 

  2495.         self.refreshTransport()

  2496. 

  2497.     @pyqtSlot()

  2498.     def slot_transportBackwards(self):

  2499.         if self.host.isPlugin or not self.host.is_engine_running():

  2500.             return

  2501. 

  2502.         newFrame = self.host.get_current_transport_frame() - 100000

  2503. 

  2504.         if newFrame < 0:

  2505.             newFrame = 0

  2506. 

  2507.         self.host.transport_relocate(newFrame)

  2508. 

  2509.     @pyqtSlot(float)

  2510.     def slot_transportBpmChanged(self, newValue):

  2511.         self.host.transport_bpm(newValue)

  2512. 

  2513.     @pyqtSlot()

  2514.     def slot_transportForwards(self):

  2515.         if self.fSampleRate == 0.0 or self.host.isPlugin or not self.host.is_engine_running():

  2516.             return

  2517. 

  2518.         newFrame = self.host.get_current_transport_frame() + int(self.fSampleRate*2.5)

  2519.         self.host.transport_relocate(newFrame)

  2520. 

  2521.     @pyqtSlot(bool)

  2522.     def slot_transportJackEnabled(self, clicked):

  2523.         if not self.host.is_engine_running():

  2524.             return

  2525.         self.host.transportMode = ENGINE_TRANSPORT_MODE_JACK if clicked else ENGINE_TRANSPORT_MODE_INTERNAL

  2526.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  2527.                                     self.host.transportMode,

  2528.                                     self.host.transportExtra)

  2529. 

  2530.     @pyqtSlot(bool)

  2531.     def slot_transportLinkEnabled(self, clicked):

  2532.         if not self.host.is_engine_running():

  2533.             return

  2534.         extra = ":link:" if clicked else ""

  2535.         self.host.transportExtra = extra

  2536.         self.host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,

  2537.                                     self.host.transportMode,

  2538.                                     self.host.transportExtra)

  2539. 

  2540.     # --------------------------------------------------------------------------------------------------------

  2541.     # Other

  2542. 

  2543.     @pyqtSlot(bool)

  2544.     def slot_xrunClear(self):

  2545.         self.host.clear_engine_xruns()

  2546. 

  2547.     # --------------------------------------------------------------------------------------------------------

  2548.     # Canvas scrollbars

  2549. 

  2550.     @pyqtSlot(int)

  2551.     def slot_horizontalScrollBarChanged(self, value):

  2552.         maximum = self.ui.graphicsView.horizontalScrollBar().maximum()

  2553.         if maximum == 0:

  2554.             xp = 0

  2555.         else:

  2556.             xp = float(value) / maximum

  2557.         self.ui.miniCanvasPreview.setViewPosX(xp)

  2558.         self.updateCanvasInitialPos()

  2559. 

  2560.     @pyqtSlot(int)

  2561.     def slot_verticalScrollBarChanged(self, value):

  2562.         maximum = self.ui.graphicsView.verticalScrollBar().maximum()

  2563.         if maximum == 0:

  2564.             yp = 0

  2565.         else:

  2566.             yp = float(value) / maximum

  2567.         self.ui.miniCanvasPreview.setViewPosY(yp)

  2568.         self.updateCanvasInitialPos()

  2569. 

  2570.     # --------------------------------------------------------------------------------------------------------

  2571.     # Canvas keyboard

  2572. 

  2573.     @pyqtSlot(int)

  2574.     def slot_noteOn(self, note):

  2575.         if self.fPluginCount == 0:

  2576.             return

  2577. 

  2578.         for pluginId in self.fSelectedPlugins:

  2579.             self.host.send_midi_note(pluginId, 0, note, 100)

  2580. 

  2581.             pedit = self.getPluginEditDialog(pluginId)

  2582.             pedit.noteOn(0, note, 100)

  2583. 

  2584.     @pyqtSlot(int)

  2585.     def slot_noteOff(self, note):

  2586.         if self.fPluginCount == 0:

  2587.             return

  2588. 

  2589.         for pluginId in self.fSelectedPlugins:

  2590.             self.host.send_midi_note(pluginId, 0, note, 0)

  2591. 

  2592.             pedit = self.getPluginEditDialog(pluginId)

  2593.             pedit.noteOff(0, note)

  2594. 

  2595.     # --------------------------------------------------------------------------------------------------------

  2596.     # Canvas keyboard (host callbacks)

  2597. 

  2598.     @pyqtSlot(int, int, int, int)

  2599.     def slot_handleNoteOnCallback(self, pluginId, channel, note, velocity):

  2600.         if pluginId in self.fSelectedPlugins:

  2601.             self.ui.keyboard.sendNoteOn(note, False)

  2602. 

  2603.     @pyqtSlot(int, int, int)

  2604.     def slot_handleNoteOffCallback(self, pluginId, channel, note):

  2605.         if pluginId in self.fSelectedPlugins:

  2606.             self.ui.keyboard.sendNoteOff(note, False)

  2607. 

  2608.     # --------------------------------------------------------------------------------------------------------

  2609. 

  2610.     @pyqtSlot(int)

  2611.     def slot_handleUpdateCallback(self, pluginId):

  2612.         pitem = self.getPluginItem(pluginId)

  2613. 

  2614.         if pitem is None:

  2615.             return

  2616. 

  2617.         wasCompacted = pitem.isCompacted()

  2618.         isCompacted  = wasCompacted

  2619. 

  2620.         check = self.host.get_custom_data_value(pluginId, CUSTOM_DATA_TYPE_PROPERTY, "CarlaSkinIsCompacted")

  2621.         if not check:

  2622.             return

  2623.         isCompacted = bool(check == "true")

  2624. 

  2625.         if wasCompacted == isCompacted:

  2626.             return

  2627. 

  2628.         pitem.recreateWidget(True)

  2629. 

  2630.     # --------------------------------------------------------------------------------------------------------

  2631.     # MiniCanvas stuff

  2632. 

  2633.     @pyqtSlot()

  2634.     def slot_miniCanvasCheckAll(self):

  2635.         self.slot_miniCanvasCheckSize()

  2636.         self.slot_horizontalScrollBarChanged(self.ui.graphicsView.horizontalScrollBar().value())

  2637.         self.slot_verticalScrollBarChanged(self.ui.graphicsView.verticalScrollBar().value())

  2638. 

  2639.     @pyqtSlot()

  2640.     def slot_miniCanvasCheckSize(self):

  2641.         if self.fCanvasWidth == 0 or self.fCanvasHeight == 0:

  2642.             return

  2643. 

  2644.         currentIndex = self.ui.tabWidget.currentIndex()

  2645. 

  2646.         if currentIndex == 1:

  2647.             width  = self.ui.graphicsView.width()

  2648.             height = self.ui.graphicsView.height()

  2649.         else:

  2650.             self.ui.tabWidget.blockSignals(True)

  2651.             self.ui.tabWidget.setCurrentIndex(1)

  2652.             width  = self.ui.graphicsView.width()

  2653.             height = self.ui.graphicsView.height()

  2654.             self.ui.tabWidget.setCurrentIndex(currentIndex)

  2655.             self.ui.tabWidget.blockSignals(False)

  2656. 

  2657.         self.scene.updateLimits()

  2658. 

  2659.         self.ui.miniCanvasPreview.setViewSize(float(width)/self.fCanvasWidth, float(height)/self.fCanvasHeight)

  2660. 

  2661.     @pyqtSlot(float, float)

  2662.     def slot_miniCanvasMoved(self, xp, yp):

  2663.         hsb = self.ui.graphicsView.horizontalScrollBar()

  2664.         vsb = self.ui.graphicsView.verticalScrollBar()

  2665.         hsb.setValue(xp * hsb.maximum())

  2666.         vsb.setValue(yp * vsb.maximum())

  2667.         self.updateCanvasInitialPos()

  2668. 

  2669.     # --------------------------------------------------------------------------------------------------------

  2670.     # Logs autoscroll, save and clear

  2671. 

  2672.     @pyqtSlot(int)

  2673.     def slot_toggleLogAutoscroll(self, checkState):

  2674.         self.autoscrollOnNewLog = checkState == Qt.Checked

  2675.         if self.autoscrollOnNewLog:

  2676.             self.ui.text_logs.verticalScrollBar().setValue(self.ui.text_logs.verticalScrollBar().maximum())

  2677. 

  2678.     @pyqtSlot(int)

  2679.     def slot_logSliderMoved(self, slider_pos):

  2680.         if self.ui.text_logs.verticalScrollBar().hasTracking() or self.autoscrollOnNewLog:

  2681.             self.lastLogSliderPos = slider_pos

  2682.         else:

  2683.             self.ui.text_logs.verticalScrollBar().setValue(self.lastLogSliderPos)

  2684. 

  2685.     @pyqtSlot()

  2686.     def slot_logButtonsState(self, enabled=True):

  2687.         self.ui.logs_clear.setEnabled(enabled)

  2688.         self.ui.logs_save.setEnabled(enabled)

  2689. 

  2690.     @pyqtSlot()

  2691.     def slot_logSave(self):

  2692.         filename = os.path.join(self.fSavedSettings[CARLA_KEY_MAIN_PROJECT_FOLDER], 'carla_log.txt')

  2693.         filename, _ = QFileDialog.getSaveFileName(self, self.tr("Save Logs"), filename)

  2694. 

  2695.         if not filename:

  2696.             return

  2697. 

  2698.         try:

  2699.             with open(filename, "w") as logfile:

  2700.                 logfile.write(self.ui.text_logs.toPlainText())

  2701.                 logfile.close()

  2702.         except:

  2703.             return

  2704. 

  2705.     @pyqtSlot()

  2706.     def slot_logClear(self):

  2707.         self.ui.text_logs.clear()

  2708.         self.ui.text_logs.appendPlainText("======= Logs cleared ========")

  2709.         self.slot_logButtonsState(False)

  2710. 

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

  2712.     # Timers

  2713. 

  2714.     def startTimers(self):

  2715.         if self.fIdleTimerFast == 0:

  2716.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2717. 

  2718.         if self.fIdleTimerSlow == 0:

  2719.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2720. 

  2721.     def restartTimersIfNeeded(self):

  2722.         if self.fIdleTimerFast != 0:

  2723.             self.killTimer(self.fIdleTimerFast)

  2724.             self.fIdleTimerFast = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL])

  2725. 

  2726.         if self.fIdleTimerSlow != 0:

  2727.             self.killTimer(self.fIdleTimerSlow)

  2728.             self.fIdleTimerSlow = self.startTimer(self.fSavedSettings[CARLA_KEY_MAIN_REFRESH_INTERVAL]*4)

  2729. 

  2730.     def killTimers(self):

  2731.         if self.fIdleTimerFast != 0:

  2732.             self.killTimer(self.fIdleTimerFast)

  2733.             self.fIdleTimerFast = 0

  2734. 

  2735.         if self.fIdleTimerSlow != 0:

  2736.             self.killTimer(self.fIdleTimerSlow)

  2737.             self.fIdleTimerSlow = 0

  2738. 

  2739.     # --------------------------------------------------------------------------------------------------------

  2740.     # Misc

  2741. 

  2742.     @pyqtSlot(bool)

  2743.     def slot_toolbarVisibilityChanged(self, visible):

  2744.         self.ui.toolBar.blockSignals(True)

  2745.         self.ui.toolBar.setEnabled(visible)

  2746.         self.ui.toolBar.blockSignals(False)

  2747.         self.ui.act_settings_show_toolbar.setChecked(visible)

  2748.         self.ui.act_settings_show_toolbar_text.setEnabled(visible)

  2749. 

  2750. 

  2751.     @pyqtSlot(int)

  2752.     def slot_tabChanged(self, index):

  2753.         if index != 1:

  2754.             return

  2755. 

  2756.         self.ui.graphicsView.setFocus()

  2757. 

  2758.     @pyqtSlot(int)

  2759.     def slot_handleReloadAllCallback(self, pluginId):

  2760.         if pluginId >= self.fPluginCount:

  2761.             return

  2762. 

  2763.         pitem = self.fPluginList[pluginId]

  2764.         if pitem is None:

  2765.             return

  2766. 

  2767.         pitem.recreateWidget()

  2768. 

  2769.     # --------------------------------------------------------------------------------------------------------

  2770. 

  2771.     @pyqtSlot(int, int, str)

  2772.     def slot_handleNSMCallback(self, opcode, valueInt, valueStr):

  2773.         if opcode == NSM_CALLBACK_INIT:

  2774.             return

  2775. 

  2776.         # Error

  2777.         elif opcode == NSM_CALLBACK_ERROR:

  2778.             pass

  2779. 

  2780.         # Reply

  2781.         elif opcode == NSM_CALLBACK_ANNOUNCE:

  2782.             self.fFirstEngineInit    = False

  2783.             self.fSessionManagerName = valueStr

  2784.             self.setProperWindowTitle()

  2785. 

  2786.             # If NSM server does not support optional-gui, revert our initial assumptions that it does

  2787.             if (valueInt & (1 << 1)) == 0x0:

  2788.                 self.fWindowCloseHideGui = False

  2789.                 self.ui.act_file_quit.setText(self.tr("&Quit"))

  2790.                 QApplication.instance().setQuitOnLastWindowClosed(True)

  2791.                 self.show()

  2792. 

  2793.         # Open

  2794.         elif opcode == NSM_CALLBACK_OPEN:

  2795.             self.fProjectFilename = QFileInfo(valueStr+".carxp").absoluteFilePath()

  2796.             self.setProperWindowTitle()

  2797. 

  2798.             self.fCustomStopAction = self.CUSTOM_ACTION_PROJECT_LOAD

  2799.             self.slot_engineStop(True)

  2800.             return

  2801. 

  2802.         # Save

  2803.         elif opcode == NSM_CALLBACK_SAVE:

  2804.             self.saveProjectNow()

  2805. 

  2806.         # Session is Loaded

  2807.         elif opcode == NSM_CALLBACK_SESSION_IS_LOADED:

  2808.             pass

  2809. 

  2810.         # Show Optional Gui

  2811.         elif opcode == NSM_CALLBACK_SHOW_OPTIONAL_GUI:

  2812.             self.show()

  2813. 

  2814.         # Hide Optional Gui

  2815.         elif opcode == NSM_CALLBACK_HIDE_OPTIONAL_GUI:

  2816.             self.hideForNSM()

  2817. 

  2818.         # Set client name

  2819.         elif opcode == NSM_CALLBACK_SET_CLIENT_NAME_ID:

  2820.             self.fClientName = valueStr

  2821.             return

  2822. 

  2823.         self.host.nsm_ready(opcode)

  2824. 

  2825.     # --------------------------------------------------------------------------------------------------------

  2826. 

  2827.     def fixLogText(self, text):

  2828.         return text.replace("\x1b[30;1m", "").replace("\x1b[31m", "").replace("\x1b[0m", "")

  2829. 

  2830.     @pyqtSlot(int, int, int, int, float, str)

  2831.     def slot_handleDebugCallback(self, pluginId, value1, value2, value3, valuef, valueStr):

  2832.         self.ui.text_logs.appendPlainText(self.fixLogText(valueStr))

  2833. 

  2834.     @pyqtSlot(str)

  2835.     def slot_handleInfoCallback(self, info):

  2836.         QMessageBox.information(self, "Information", info)

  2837. 

  2838.     @pyqtSlot(str)

  2839.     def slot_handleErrorCallback(self, error):

  2840.         QMessageBox.critical(self, "Error", error)

  2841. 

  2842.     @pyqtSlot()

  2843.     def slot_handleQuitCallback(self):

  2844.         self.fIsProjectLoading = False

  2845.         self.killTimers()

  2846.         self.removeAllPlugins()

  2847.         self.projectLoadingFinished(False)

  2848. 

  2849.     @pyqtSlot(int)

  2850.     def slot_handleInlineDisplayRedrawCallback(self, pluginId):

  2851.         # FIXME

  2852.         if self.fIdleTimerSlow != 0 and self.fIdleTimerFast != 0 and pluginId < self.fPluginCount and not self.fIsProjectLoading:

  2853.             patchcanvas.redrawPluginGroup(pluginId)

  2854. 

  2855.     # --------------------------------------------------------------------------------------------------------

  2856. 

  2857.     @pyqtSlot()

  2858.     def slot_handleSIGUSR1(self):

  2859.         print("Got SIGUSR1 -> Saving project now")

  2860.         self.slot_fileSave()

  2861. 

  2862.     @pyqtSlot()

  2863.     def slot_handleSIGTERM(self):

  2864.         print("Got SIGTERM -> Closing now")

  2865.         self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  2866.         self.close()

  2867. 

  2868.     # --------------------------------------------------------------------------------------------------------

  2869.     # Internal stuff

  2870. 

  2871.     def getExtraPtr(self, plugin):

  2872.         ptype = plugin['type']

  2873. 

  2874.         if ptype == PLUGIN_LADSPA:

  2875.             uniqueId = plugin['uniqueId']

  2876. 

  2877.             self.maybeLoadRDFs()

  2878. 

  2879.             for rdfItem in self.fLadspaRdfList:

  2880.                 if rdfItem.UniqueID == uniqueId:

  2881.                     return pointer(rdfItem)

  2882. 

  2883.         elif ptype == PLUGIN_SF2:

  2884.             if plugin['name'].lower().endswith(" (16 outputs)"):

  2885.                 return self._true

  2886. 

  2887.         return None

  2888. 

  2889.     def maybeLoadRDFs(self):

  2890.         if not self.fLadspaRdfNeedsUpdate:

  2891.             return

  2892. 

  2893.         self.fLadspaRdfNeedsUpdate = False

  2894.         self.fLadspaRdfList = []

  2895. 

  2896.         if not haveLRDF:

  2897.             return

  2898. 

  2899.         settingsDir  = os.path.join(HOME, ".config", "falkTX")

  2900.         frLadspaFile = os.path.join(settingsDir, "ladspa_rdf.db")

  2901. 

  2902.         if os.path.exists(frLadspaFile):

  2903.             frLadspa = open(frLadspaFile, 'r')

  2904. 

  2905.             try:

  2906.                 self.fLadspaRdfList = ladspa_rdf.get_c_ladspa_rdfs(json.load(frLadspa))

  2907.             except:

  2908.                 pass

  2909. 

  2910.             frLadspa.close()

  2911. 

  2912.     # --------------------------------------------------------------------------------------------------------

  2913. 

  2914.     def getPluginCount(self):

  2915.         return self.fPluginCount

  2916. 

  2917.     def getPluginItem(self, pluginId):

  2918.         if pluginId >= self.fPluginCount:

  2919.             return None

  2920. 

  2921.         pitem = self.fPluginList[pluginId]

  2922.         if pitem is None:

  2923.             return None

  2924.         #if False:

  2925.             #return CarlaRackItem(self, 0, False)

  2926. 

  2927.         return pitem

  2928. 

  2929.     def getPluginEditDialog(self, pluginId):

  2930.         if pluginId >= self.fPluginCount:

  2931.             return None

  2932. 

  2933.         pitem = self.fPluginList[pluginId]

  2934.         if pitem is None:

  2935.             return None

  2936.         if False:

  2937.             return PluginEdit(self, self.host, 0)

  2938. 

  2939.         return pitem.getEditDialog()

  2940. 

  2941.     def getPluginSlotWidget(self, pluginId):

  2942.         if pluginId >= self.fPluginCount:

  2943.             return None

  2944. 

  2945.         pitem = self.fPluginList[pluginId]

  2946.         if pitem is None:

  2947.             return None

  2948.         #if False:

  2949.             #return AbstractPluginSlot()

  2950. 

  2951.         return pitem.getWidget()

  2952. 

  2953.     # --------------------------------------------------------------------------------------------------------

  2954. 

  2955.     def waitForPendingEvents(self):

  2956.         pass

  2957. 

  2958.     # --------------------------------------------------------------------------------------------------------

  2959.     # show/hide event

  2960. 

  2961.     def showEvent(self, event):

  2962.         self.getAndRefreshRuntimeInfo()

  2963.         self.refreshTransport(True)

  2964.         QMainWindow.showEvent(self, event)

  2965. 

  2966.         if QT_VERSION >= 0x50600:

  2967.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_UI_SCALE, int(self.devicePixelRatioF() * 1000), "")

  2968.             print("Frontend pixel ratio is", self.devicePixelRatioF())

  2969. 

  2970.         # set our gui as parent for all plugins UIs

  2971.         if self.host.manageUIs and not self.host.isControl:

  2972.             if CARLA_OS_MAC:

  2973.                 nsViewPtr = int(self.winId())

  2974.                 winIdStr  = "%x" % gCarla.utils.cocoa_get_window(nsViewPtr)

  2975.             elif CARLA_OS_WIN or QApplication.platformName() == "xcb":

  2976.                 winIdStr = "%x" % int(self.winId())

  2977.             else:

  2978.                 winIdStr = "0"

  2979.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, winIdStr)

  2980. 

  2981.     def hideEvent(self, event):

  2982.         # disable parent

  2983.         if not self.host.isControl:

  2984.             self.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, "0")

  2985. 

  2986.         QMainWindow.hideEvent(self, event)

  2987. 

  2988.     # --------------------------------------------------------------------------------------------------------

  2989.     # resize event

  2990. 

  2991.     def resizeEvent(self, event):

  2992.         QMainWindow.resizeEvent(self, event)

  2993. 

  2994.         if self.fWithCanvas:

  2995.             self.slot_miniCanvasCheckSize()

  2996. 

  2997.     # --------------------------------------------------------------------------------------------------------

  2998.     # timer event

  2999. 

  3000.     def refreshRuntimeInfo(self, load, xruns):

  3001.         txt1 = str(xruns) if (xruns >= 0) else "--"

  3002.         txt2 = "" if (xruns == 1) else "s"

  3003.         self.ui.b_xruns.setText("%s Xrun%s" % (txt1, txt2))

  3004.         self.ui.pb_dsp_load.setValue(int(load))

  3005. 

  3006.     def getAndRefreshRuntimeInfo(self):

  3007.         if not self.ui.pb_dsp_load.isVisible():

  3008.             return

  3009.         if not self.host.is_engine_running():

  3010.             return

  3011.         info = self.host.get_runtime_engine_info()

  3012.         self.refreshRuntimeInfo(info['load'], info['xruns'])

  3013. 

  3014.     def idleFast(self):

  3015.         self.host.engine_idle()

  3016. 

  3017.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  3018.             return

  3019. 

  3020.         for pitem in self.fPluginList:

  3021.             if pitem is None:

  3022.                 break

  3023. 

  3024.             pitem.getWidget().idleFast()

  3025. 

  3026.         for pluginId in self.fSelectedPlugins:

  3027.             self.fPeaksCleared = False

  3028.             if self.ui.peak_in.isVisible():

  3029.                 self.ui.peak_in.displayMeter(1, self.host.get_input_peak_value(pluginId, True))

  3030.                 self.ui.peak_in.displayMeter(2, self.host.get_input_peak_value(pluginId, False))

  3031.             if self.ui.peak_out.isVisible():

  3032.                 self.ui.peak_out.displayMeter(1, self.host.get_output_peak_value(pluginId, True))

  3033.                 self.ui.peak_out.displayMeter(2, self.host.get_output_peak_value(pluginId, False))

  3034.             return

  3035. 

  3036.         if self.fPeaksCleared:

  3037.             return

  3038. 

  3039.         self.fPeaksCleared = True

  3040.         self.ui.peak_in.displayMeter(1, 0.0, True)

  3041.         self.ui.peak_in.displayMeter(2, 0.0, True)

  3042.         self.ui.peak_out.displayMeter(1, 0.0, True)

  3043.         self.ui.peak_out.displayMeter(2, 0.0, True)

  3044. 

  3045.     def idleSlow(self):

  3046.         self.getAndRefreshRuntimeInfo()

  3047. 

  3048.         self.slowTimer = (self.slowTimer + 1) % 4

  3049.         if (self.slowTimer == 0):

  3050.             self.refreshTransport() # This one is CPU hungry. Ticket #1934

  3051. 

  3052.         if self.fPluginCount == 0 or self.fCurrentlyRemovingAllPlugins:

  3053.             return

  3054. 

  3055.         for pitem in self.fPluginList:

  3056.             if pitem is None:

  3057.                 break

  3058. 

  3059.             pitem.getWidget().idleSlow()

  3060. 

  3061.     def timerEvent(self, event):

  3062.         if event.timerId() == self.fIdleTimerFast:

  3063.             self.idleFast()

  3064. 

  3065.         elif event.timerId() == self.fIdleTimerSlow:

  3066.             self.idleSlow()

  3067. 

  3068.         QMainWindow.timerEvent(self, event)

  3069. 

  3070.     # --------------------------------------------------------------------------------------------------------

  3071.     # color/style change event

  3072. 

  3073.     def changeEvent(self, event):

  3074.         if event.type() in (QEvent.PaletteChange, QEvent.StyleChange):

  3075.             self.updateStyle()

  3076.         QMainWindow.changeEvent(self, event)

  3077. 

  3078.     def updateStyle(self):

  3079.         loadTweaks(self)

  3080. 

  3081.         if self.fTweaks.get('MoreSpace', 0):

  3082.             self.ui.pad_left.hide()

  3083.             self.ui.pad_right.hide()

  3084.             return

  3085. 

  3086.         # Rack padding images setup

  3087.         rack_imgL = QImage(":/bitmaps/rack_padding_left.png")

  3088.         rack_imgR = QImage(":/bitmaps/rack_padding_right.png")

  3089. 

  3090.         min_value = 0.07

  3091. 

  3092.         if PYQT_VERSION >= 0x50600:

  3093.             value_fix = 1.0/(1.0-rack_imgL.scaled(1, 1, Qt.IgnoreAspectRatio, Qt.SmoothTransformation).pixelColor(0,0).blackF())

  3094.         else:

  3095.             value_fix = 1.5

  3096. 

  3097.         rack_pal = self.ui.rack.palette()

  3098.         bg_color = rack_pal.window().color()

  3099.         fg_color = rack_pal.text().color()

  3100.         bg_value = 1.0 - bg_color.blackF()

  3101.         if bg_value != 0.0 and bg_value < min_value:

  3102.             pad_color = bg_color.lighter(int(100*min_value/bg_value*value_fix))

  3103.         else:

  3104.             pad_color = QColor.fromHsvF(0.0, 0.0, min_value*value_fix)

  3105. 

  3106.         painter = QPainter()

  3107.         fillRect = rack_imgL.rect().adjusted(-1,-1,1,1)

  3108. 

  3109.         painter.begin(rack_imgL)

  3110.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  3111.         painter.setBrush(pad_color)

  3112.         painter.drawRect(fillRect)

  3113.         painter.end()

  3114.         rack_pixmapL = QPixmap(rack_imgL)

  3115.         self.imgL_palette = QPalette()

  3116.         self.imgL_palette.setBrush(QPalette.Window, QBrush(rack_pixmapL))

  3117.         self.ui.pad_left.setPalette(self.imgL_palette)

  3118.         self.ui.pad_left.setAutoFillBackground(True)

  3119. 

  3120.         painter.begin(rack_imgR)

  3121.         painter.setCompositionMode(QPainter.CompositionMode_Multiply)

  3122.         painter.setBrush(pad_color)

  3123.         painter.drawRect(fillRect)

  3124.         painter.end()

  3125.         rack_pixmapR = QPixmap(rack_imgR)

  3126.         self.imgR_palette = QPalette()

  3127.         self.imgR_palette.setBrush(QPalette.Window, QBrush(rack_pixmapR))

  3128.         self.ui.pad_right.setPalette(self.imgR_palette)

  3129.         self.ui.pad_right.setAutoFillBackground(True)

  3130. 

  3131.         # qt's rgba is actually argb, so convert that

  3132.         bg_color_value = bg_color.rgba()

  3133.         bg_color_value = ((bg_color_value & 0xffffff) << 8) | (bg_color_value >> 24)

  3134. 

  3135.         fg_color_value = fg_color.rgba()

  3136.         fg_color_value = ((fg_color_value & 0xffffff) << 8) | (fg_color_value >> 24)

  3137. 

  3138.         self.host.set_engine_option(ENGINE_OPTION_FRONTEND_BACKGROUND_COLOR, bg_color_value, "")

  3139.         self.host.set_engine_option(ENGINE_OPTION_FRONTEND_FOREGROUND_COLOR, fg_color_value, "")

  3140. 

  3141.     # --------------------------------------------------------------------------------------------------------

  3142.     # paint event

  3143. 

  3144.     #def paintEvent(self, event):

  3145.         #QMainWindow.paintEvent(self, event)

  3146. 

  3147.         #if CARLA_OS_MAC or not self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING]:

  3148.             #return

  3149. 

  3150.         #painter = QPainter(self)

  3151.         #painter.setBrush(QColor(36, 36, 36))

  3152.         #painter.setPen(QColor(62, 62, 62))

  3153.         #painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)

  3154. 

  3155.     # --------------------------------------------------------------------------------------------------------

  3156.     # close event

  3157. 

  3158.     def shouldIgnoreClose(self):

  3159.         if self.host.isControl or self.host.isPlugin:

  3160.             return False

  3161.         if self.fCustomStopAction == self.CUSTOM_ACTION_APP_CLOSE:

  3162.             return False

  3163.         if self.fWindowCloseHideGui:

  3164.             return False

  3165.         if self.fSavedSettings[CARLA_KEY_MAIN_CONFIRM_EXIT]:

  3166.             return QMessageBox.question(self, self.tr("Quit"),

  3167.                                               self.tr("Are you sure you want to quit Carla?"),

  3168.                                               QMessageBox.Yes|QMessageBox.No) == QMessageBox.No

  3169.         return False

  3170. 

  3171.     def closeEvent(self, event):

  3172.         if self.shouldIgnoreClose():

  3173.             event.ignore()

  3174.             return

  3175. 

  3176.         if self.fWindowCloseHideGui and self.fCustomStopAction != self.CUSTOM_ACTION_APP_CLOSE:

  3177.             self.hideForNSM()

  3178.             self.host.nsm_ready(NSM_CALLBACK_HIDE_OPTIONAL_GUI)

  3179.             return

  3180. 

  3181.         patchcanvas.handleAllPluginsRemoved()

  3182. 

  3183.         if CARLA_OS_MAC and self.fMacClosingHelper and not (self.host.isControl or self.host.isPlugin):

  3184.             self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  3185.             self.fMacClosingHelper = False

  3186.             event.ignore()

  3187. 

  3188.             for i in reversed(range(self.fPluginCount)):

  3189.                 self.host.show_custom_ui(i, False)

  3190. 

  3191.             QTimer.singleShot(100, self.close)

  3192.             return

  3193. 

  3194.         self.killTimers()

  3195.         self.saveSettings()

  3196. 

  3197.         if self.host.is_engine_running() and not (self.host.isControl or self.host.isPlugin):

  3198.             if not self.slot_engineStop(True):

  3199.                 self.fCustomStopAction = self.CUSTOM_ACTION_APP_CLOSE

  3200.                 event.ignore()

  3201.                 return

  3202. 

  3203.         QMainWindow.closeEvent(self, event)

  3204. 

  3205.         # if we reach this point, fully close ourselves

  3206.         gCarla.gui = None

  3207.         QApplication.instance().quit()

  3208. 

  3209. # ------------------------------------------------------------------------------------------------

  3210. # Canvas callback

  3211. 

  3212. def canvasCallback(action, value1, value2, valueStr):

  3213.     host = gCarla.gui.host

  3214. 

  3215.     if gCarla.gui.fCustomStopAction == HostWindow.CUSTOM_ACTION_APP_CLOSE:

  3216.         return

  3217. 

  3218.     if action == patchcanvas.ACTION_GROUP_INFO:

  3219.         pass

  3220. 

  3221.     elif action == patchcanvas.ACTION_GROUP_RENAME:

  3222.         pass

  3223. 

  3224.     elif action == patchcanvas.ACTION_GROUP_SPLIT:

  3225.         groupId = value1

  3226.         patchcanvas.splitGroup(groupId)

  3227.         gCarla.gui.updateMiniCanvasLater()

  3228. 

  3229.     elif action == patchcanvas.ACTION_GROUP_JOIN:

  3230.         groupId = value1

  3231.         patchcanvas.joinGroup(groupId)

  3232.         gCarla.gui.updateMiniCanvasLater()

  3233. 

  3234.     elif action == patchcanvas.ACTION_GROUP_POSITION:

  3235.         if gCarla.gui.fIsProjectLoading:

  3236.             return

  3237.         if not host.is_engine_running():

  3238.             return

  3239.         groupId = value1

  3240.         x1, y1, x2, y2 = tuple(int(i) for i in valueStr.split(":"))

  3241.         host.patchbay_set_group_pos(gCarla.gui.fExternalPatchbay, groupId, x1, y1, x2, y2)

  3242.         gCarla.gui.updateMiniCanvasLater()

  3243. 

  3244.     elif action == patchcanvas.ACTION_PORT_INFO:

  3245.         pass

  3246. 

  3247.     elif action == patchcanvas.ACTION_PORT_RENAME:

  3248.         pass

  3249. 

  3250.     elif action == patchcanvas.ACTION_PORTS_CONNECT:

  3251.         gOut, pOut, gIn, pIn = tuple(int(i) for i in valueStr.split(":"))

  3252. 

  3253.         if not host.patchbay_connect(gCarla.gui.fExternalPatchbay, gOut, pOut, gIn, pIn):

  3254.             print("Connection failed:", host.get_last_error())

  3255. 

  3256.     elif action == patchcanvas.ACTION_PORTS_DISCONNECT:

  3257.         connectionId = value1

  3258. 

  3259.         if not host.patchbay_disconnect(gCarla.gui.fExternalPatchbay, connectionId):

  3260.             print("Disconnect failed:", host.get_last_error())

  3261. 

  3262.     elif action == patchcanvas.ACTION_PLUGIN_CLONE:

  3263.         pluginId = value1

  3264. 

  3265.         if not host.clone_plugin(pluginId):

  3266.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  3267.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  3268. 

  3269.     elif action == patchcanvas.ACTION_PLUGIN_EDIT:

  3270.         pluginId = value1

  3271.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  3272. 

  3273.         if pwidget is not None:

  3274.             pwidget.showEditDialog()

  3275. 

  3276.     elif action == patchcanvas.ACTION_PLUGIN_RENAME:

  3277.         pluginId = value1

  3278.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  3279. 

  3280.         if pwidget is not None:

  3281.             pwidget.showRenameDialog()

  3282. 

  3283.     elif action == patchcanvas.ACTION_PLUGIN_REPLACE:

  3284.         pluginId = value1

  3285.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  3286. 

  3287.         if pwidget is not None:

  3288.             pwidget.showReplaceDialog()

  3289. 

  3290.     elif action == patchcanvas.ACTION_PLUGIN_REMOVE:

  3291.         pluginId = value1

  3292. 

  3293.         if not host.remove_plugin(pluginId):

  3294.             CustomMessageBox(gCarla.gui, QMessageBox.Warning, gCarla.gui.tr("Error"), gCarla.gui.tr("Operation failed"),

  3295.                                          host.get_last_error(), QMessageBox.Ok, QMessageBox.Ok)

  3296. 

  3297.     elif action == patchcanvas.ACTION_PLUGIN_SHOW_UI:

  3298.         pluginId = value1

  3299.         pwidget  = gCarla.gui.getPluginSlotWidget(pluginId)

  3300. 

  3301.         if pwidget is not None:

  3302.             pwidget.showCustomUI()

  3303. 

  3304.     elif action == patchcanvas.ACTION_BG_RIGHT_CLICK:

  3305.         gCarla.gui.slot_showPluginActionsMenu()

  3306. 

  3307.     elif action == patchcanvas.ACTION_INLINE_DISPLAY:

  3308.         if gCarla.gui.fIsProjectLoading:

  3309.             return

  3310.         if not host.is_engine_running():

  3311.             return

  3312.         pluginId = value1

  3313.         width, height = [int(v) for v in valueStr.split(":")]

  3314.         return host.render_inline_display(pluginId, width, height)

  3315. 

  3316. # ------------------------------------------------------------------------------------------------------------

  3317. # Engine callback

  3318. 

  3319. def engineCallback(host, action, pluginId, value1, value2, value3, valuef, valueStr):

  3320.     # kdevelop likes this :)

  3321.     if False: host = CarlaHostNull()

  3322. 

  3323.     valueStr = charPtrToString(valueStr)

  3324. 

  3325.     if action == ENGINE_CALLBACK_ENGINE_STARTED:

  3326.         host.processMode   = value1

  3327.         host.transportMode = value2

  3328.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  3329.         host.processMode   = value1

  3330.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  3331.         host.transportMode  = value1

  3332.         host.transportExtra = valueStr

  3333. 

  3334.     if action == ENGINE_CALLBACK_DEBUG:

  3335.         host.DebugCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  3336.     elif action == ENGINE_CALLBACK_PLUGIN_ADDED:

  3337.         host.PluginAddedCallback.emit(pluginId, value1, valueStr)

  3338.     elif action == ENGINE_CALLBACK_PLUGIN_REMOVED:

  3339.         host.PluginRemovedCallback.emit(pluginId)

  3340.     elif action == ENGINE_CALLBACK_PLUGIN_RENAMED:

  3341.         host.PluginRenamedCallback.emit(pluginId, valueStr)

  3342.     elif action == ENGINE_CALLBACK_PLUGIN_UNAVAILABLE:

  3343.         host.PluginUnavailableCallback.emit(pluginId, valueStr)

  3344.     elif action == ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED:

  3345.         host.ParameterValueChangedCallback.emit(pluginId, value1, valuef)

  3346.     elif action == ENGINE_CALLBACK_PARAMETER_DEFAULT_CHANGED:

  3347.         host.ParameterDefaultChangedCallback.emit(pluginId, value1, valuef)

  3348.     elif action == ENGINE_CALLBACK_PARAMETER_MAPPED_CONTROL_INDEX_CHANGED:

  3349.         host.ParameterMappedControlIndexChangedCallback.emit(pluginId, value1, value2)

  3350.     elif action == ENGINE_CALLBACK_PARAMETER_MAPPED_RANGE_CHANGED:

  3351.         minimum, maximum = (float(v) for v in valueStr.split(":", 2))

  3352.         host.ParameterMappedRangeChangedCallback.emit(pluginId, value1, minimum, maximum)

  3353.     elif action == ENGINE_CALLBACK_PARAMETER_MIDI_CHANNEL_CHANGED:

  3354.         host.ParameterMidiChannelChangedCallback.emit(pluginId, value1, value2)

  3355.     elif action == ENGINE_CALLBACK_PROGRAM_CHANGED:

  3356.         host.ProgramChangedCallback.emit(pluginId, value1)

  3357.     elif action == ENGINE_CALLBACK_MIDI_PROGRAM_CHANGED:

  3358.         host.MidiProgramChangedCallback.emit(pluginId, value1)

  3359.     elif action == ENGINE_CALLBACK_OPTION_CHANGED:

  3360.         host.OptionChangedCallback.emit(pluginId, value1, bool(value2))

  3361.     elif action == ENGINE_CALLBACK_UI_STATE_CHANGED:

  3362.         host.UiStateChangedCallback.emit(pluginId, value1)

  3363.     elif action == ENGINE_CALLBACK_NOTE_ON:

  3364.         host.NoteOnCallback.emit(pluginId, value1, value2, value3)

  3365.     elif action == ENGINE_CALLBACK_NOTE_OFF:

  3366.         host.NoteOffCallback.emit(pluginId, value1, value2)

  3367.     elif action == ENGINE_CALLBACK_UPDATE:

  3368.         host.UpdateCallback.emit(pluginId)

  3369.     elif action == ENGINE_CALLBACK_RELOAD_INFO:

  3370.         host.ReloadInfoCallback.emit(pluginId)

  3371.     elif action == ENGINE_CALLBACK_RELOAD_PARAMETERS:

  3372.         host.ReloadParametersCallback.emit(pluginId)

  3373.     elif action == ENGINE_CALLBACK_RELOAD_PROGRAMS:

  3374.         host.ReloadProgramsCallback.emit(pluginId)

  3375.     elif action == ENGINE_CALLBACK_RELOAD_ALL:

  3376.         host.ReloadAllCallback.emit(pluginId)

  3377.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED:

  3378.         host.PatchbayClientAddedCallback.emit(pluginId, value1, value2, valueStr)

  3379.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED:

  3380.         host.PatchbayClientRemovedCallback.emit(pluginId)

  3381.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_RENAMED:

  3382.         host.PatchbayClientRenamedCallback.emit(pluginId, valueStr)

  3383.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED:

  3384.         host.PatchbayClientDataChangedCallback.emit(pluginId, value1, value2)

  3385.     elif action == ENGINE_CALLBACK_PATCHBAY_CLIENT_POSITION_CHANGED:

  3386.         host.PatchbayClientPositionChangedCallback.emit(pluginId, value1, value2, value3, int(round(valuef)))

  3387.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_ADDED:

  3388.         host.PatchbayPortAddedCallback.emit(pluginId, value1, value2, value3, valueStr)

  3389.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED:

  3390.         host.PatchbayPortRemovedCallback.emit(pluginId, value1)

  3391.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_CHANGED:

  3392.         host.PatchbayPortChangedCallback.emit(pluginId, value1, value2, value3, valueStr)

  3393.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_ADDED:

  3394.         host.PatchbayPortGroupAddedCallback.emit(pluginId, value1, value2, valueStr)

  3395.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_REMOVED:

  3396.         host.PatchbayPortGroupRemovedCallback.emit(pluginId, value1)

  3397.     elif action == ENGINE_CALLBACK_PATCHBAY_PORT_GROUP_CHANGED:

  3398.         host.PatchbayPortGroupChangedCallback.emit(pluginId, value1, value2, valueStr)

  3399.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED:

  3400.         gOut, pOut, gIn, pIn = [int(i) for i in valueStr.split(":")] # FIXME

  3401.         host.PatchbayConnectionAddedCallback.emit(pluginId, gOut, pOut, gIn, pIn)

  3402.     elif action == ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED:

  3403.         host.PatchbayConnectionRemovedCallback.emit(pluginId, value1, value2)

  3404.     elif action == ENGINE_CALLBACK_ENGINE_STARTED:

  3405.         host.EngineStartedCallback.emit(pluginId, value1, value2, value3, valuef, valueStr)

  3406.     elif action == ENGINE_CALLBACK_ENGINE_STOPPED:

  3407.         host.EngineStoppedCallback.emit()

  3408.     elif action == ENGINE_CALLBACK_PROCESS_MODE_CHANGED:

  3409.         host.ProcessModeChangedCallback.emit(value1)

  3410.     elif action == ENGINE_CALLBACK_TRANSPORT_MODE_CHANGED:

  3411.         host.TransportModeChangedCallback.emit(value1, valueStr)

  3412.     elif action == ENGINE_CALLBACK_BUFFER_SIZE_CHANGED:

  3413.         host.BufferSizeChangedCallback.emit(value1)

  3414.     elif action == ENGINE_CALLBACK_SAMPLE_RATE_CHANGED:

  3415.         host.SampleRateChangedCallback.emit(valuef)

  3416.     elif action == ENGINE_CALLBACK_CANCELABLE_ACTION:

  3417.         host.CancelableActionCallback.emit(pluginId, bool(value1 != 0), valueStr)

  3418.     elif action == ENGINE_CALLBACK_PROJECT_LOAD_FINISHED:

  3419.         host.ProjectLoadFinishedCallback.emit()

  3420.     elif action == ENGINE_CALLBACK_NSM:

  3421.         host.NSMCallback.emit(value1, value2, valueStr)

  3422.     elif action == ENGINE_CALLBACK_IDLE:

  3423.         QApplication.processEvents()

  3424.     elif action == ENGINE_CALLBACK_INFO:

  3425.         host.InfoCallback.emit(valueStr)

  3426.     elif action == ENGINE_CALLBACK_ERROR:

  3427.         host.ErrorCallback.emit(valueStr)

  3428.     elif action == ENGINE_CALLBACK_QUIT:

  3429.         host.QuitCallback.emit()

  3430.     elif action == ENGINE_CALLBACK_INLINE_DISPLAY_REDRAW:

  3431.         host.InlineDisplayRedrawCallback.emit(pluginId)

  3432.     else:

  3433.         print("unhandled action", action)

  3434. 

  3435. # ------------------------------------------------------------------------------------------------------------

  3436. # File callback

  3437. 

  3438. def fileCallback(ptr, action, isDir, title, filter):

  3439.     title  = charPtrToString(title)

  3440.     filter = charPtrToString(filter)

  3441. 

  3442.     if action == FILE_CALLBACK_OPEN:

  3443.         ret, ok = QFileDialog.getOpenFileName(gCarla.gui, title, "", filter) #, QFileDialog.ShowDirsOnly if isDir else 0x0)

  3444.     elif action == FILE_CALLBACK_SAVE:

  3445.         ret, ok = QFileDialog.getSaveFileName(gCarla.gui, title, "", filter, QFileDialog.ShowDirsOnly if isDir else 0x0)

  3446.     else:

  3447.         ret, ok = ("", "")

  3448. 

  3449.     # FIXME use ok value, test if it works as expected

  3450.     if not ret:

  3451.         return None

  3452. 

  3453.     # FIXME

  3454.     global fileRet

  3455.     fileRet = c_char_p(ret.encode("utf-8"))

  3456.     retval  = cast(byref(fileRet), POINTER(c_uintptr))

  3457.     return retval.contents.value

  3458. 

  3459. # ------------------------------------------------------------------------------------------------------------

  3460. # Init host

  3461. 

  3462. def initHost(initName, libPrefix, isControl, isPlugin, failError, HostClass = None):

  3463.     pathBinaries, pathResources = getPaths(libPrefix)

  3464. 

  3465.     # --------------------------------------------------------------------------------------------------------

  3466.     # Fail if binary dir is not found

  3467. 

  3468.     if not os.path.exists(pathBinaries):

  3469.         if failError:

  3470.             QMessageBox.critical(None, "Error", "Failed to find the carla binaries, cannot continue")

  3471.             sys.exit(1)

  3472.         return

  3473. 

  3474.     # --------------------------------------------------------------------------------------------------------

  3475.     # Check if we should open main lib as local or global

  3476. 

  3477.     settings = QSafeSettings("falkTX", "Carla2")

  3478. 

  3479.     loadGlobal = settings.value(CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL, CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL, bool)

  3480. 

  3481.     # --------------------------------------------------------------------------------------------------------

  3482.     # Set Carla library name

  3483. 

  3484.     libname   = "libcarla_%s2.%s" % ("control" if isControl else "standalone", DLL_EXTENSION)

  3485.     libname   = os.path.join(pathBinaries, libname)

  3486.     felibname = os.path.join(pathBinaries, "libcarla_frontend.%s" % (DLL_EXTENSION))

  3487.     utilsname = os.path.join(pathBinaries, "libcarla_utils.%s" % (DLL_EXTENSION))

  3488. 

  3489.     # --------------------------------------------------------------------------------------------------------

  3490.     # Print info

  3491. 

  3492.     if not (gCarla.nogui and isinstance(gCarla.nogui, int)):

  3493.         print("Carla %s started, status:" % CARLA_VERSION_STRING)

  3494.         print("  Python version: %s" % sys.version.split(" ",1)[0])

  3495.         print("  Qt version:     %s" % QT_VERSION_STR)

  3496.         print("  PyQt version:   %s" % PYQT_VERSION_STR)

  3497.         print("  Binary dir:     %s" % pathBinaries)

  3498.         print("  Resources dir:  %s" % pathResources)

  3499. 

  3500.     # --------------------------------------------------------------------------------------------------------

  3501.     # Init host

  3502. 

  3503.     if failError:

  3504.         # no try

  3505.         host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  3506.     else:

  3507.         try:

  3508.             host = HostClass() if HostClass is not None else CarlaHostQtDLL(libname, loadGlobal)

  3509.         except:

  3510.             host = CarlaHostQtNull()

  3511. 

  3512.     host.isControl = isControl

  3513.     host.isPlugin  = isPlugin

  3514. 

  3515.     host.set_engine_callback(lambda h,a,p,v1,v2,v3,vf,vs: engineCallback(host,a,p,v1,v2,v3,vf,vs))

  3516.     host.set_file_callback(fileCallback)

  3517. 

  3518.     # If it's a plugin the paths are already set

  3519.     if not isPlugin:

  3520.         host.pathBinaries  = pathBinaries

  3521.         host.pathResources = pathResources

  3522.         host.set_engine_option(ENGINE_OPTION_PATH_BINARIES,  0, pathBinaries)

  3523.         host.set_engine_option(ENGINE_OPTION_PATH_RESOURCES, 0, pathResources)

  3524. 

  3525.         if not isControl:

  3526.             host.nsmOK = host.nsm_init(os.getpid(), initName)

  3527. 

  3528.     # --------------------------------------------------------------------------------------------------------

  3529.     # Init frontend lib

  3530. 

  3531.     if not gCarla.nogui:

  3532.         gCarla.felib = CarlaFrontendLib(felibname)

  3533. 

  3534.     # --------------------------------------------------------------------------------------------------------

  3535.     # Init utils

  3536. 

  3537.     gCarla.utils = CarlaUtils(utilsname)

  3538.     gCarla.utils.set_process_name(os.path.basename(initName))

  3539. 

  3540.     try:

  3541.         sys.stdout.flush()

  3542.     except:

  3543.         pass

  3544. 

  3545.     sys.stdout = CarlaPrint(False)

  3546.     sys.stderr = CarlaPrint(True)

  3547.     sys.excepthook = sys_excepthook

  3548. 

  3549.     # --------------------------------------------------------------------------------------------------------

  3550.     # Done

  3551. 

  3552.     return host

  3553. 

  3554. # ------------------------------------------------------------------------------------------------------------

  3555. # Load host settings

  3556. 

  3557. def loadHostSettings(host):

  3558.     # kdevelop likes this :)

  3559.     if False: host = CarlaHostNull()

  3560. 

  3561.     settings = QSafeSettings("falkTX", "Carla2")

  3562. 

  3563.     host.experimental = settings.value(CARLA_KEY_MAIN_EXPERIMENTAL, CARLA_DEFAULT_MAIN_EXPERIMENTAL, bool)

  3564.     host.exportLV2 = settings.value(CARLA_KEY_EXPERIMENTAL_EXPORT_LV2, CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT, bool)

  3565.     host.manageUIs = settings.value(CARLA_KEY_ENGINE_MANAGE_UIS, CARLA_DEFAULT_MANAGE_UIS, bool)

  3566.     host.maxParameters = settings.value(CARLA_KEY_ENGINE_MAX_PARAMETERS, CARLA_DEFAULT_MAX_PARAMETERS, int)

  3567.     host.resetXruns = settings.value(CARLA_KEY_ENGINE_RESET_XRUNS, CARLA_DEFAULT_RESET_XRUNS, bool)

  3568.     host.forceStereo = settings.value(CARLA_KEY_ENGINE_FORCE_STEREO, CARLA_DEFAULT_FORCE_STEREO, bool)

  3569.     host.preferPluginBridges = settings.value(CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES, CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES, bool)

  3570.     host.preferUIBridges = settings.value(CARLA_KEY_ENGINE_PREFER_UI_BRIDGES, CARLA_DEFAULT_PREFER_UI_BRIDGES, bool)

  3571.     host.preventBadBehaviour = settings.value(CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR, bool)

  3572.     host.showLogs = settings.value(CARLA_KEY_MAIN_SHOW_LOGS, CARLA_DEFAULT_MAIN_SHOW_LOGS, bool) and not CARLA_OS_WIN

  3573.     host.showPluginBridges = settings.value(CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES, bool)

  3574.     host.showWineBridges = settings.value(CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES, CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES, bool)

  3575.     host.uiBridgesTimeout = settings.value(CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT, CARLA_DEFAULT_UI_BRIDGES_TIMEOUT, int)

  3576.     host.uisAlwaysOnTop = settings.value(CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP, CARLA_DEFAULT_UIS_ALWAYS_ON_TOP, bool)

  3577. 

  3578.     if host.isPlugin:

  3579.         return

  3580. 

  3581.     host.transportExtra = settings.value(CARLA_KEY_ENGINE_TRANSPORT_EXTRA, "", str)

  3582. 

  3583.     # enums

  3584.     if host.audioDriverForced is None:

  3585.         host.transportMode = settings.value(CARLA_KEY_ENGINE_TRANSPORT_MODE, CARLA_DEFAULT_TRANSPORT_MODE, int)

  3586. 

  3587.     if not host.processModeForced:

  3588.         host.processMode = settings.value(CARLA_KEY_ENGINE_PROCESS_MODE, CARLA_DEFAULT_PROCESS_MODE, int)

  3589. 

  3590.     host.nextProcessMode = host.processMode

  3591. 

  3592.     # --------------------------------------------------------------------------------------------------------

  3593.     # fix things if needed

  3594. 

  3595.     if host.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS:

  3596.         if LADISH_APP_NAME:

  3597.             print("LADISH detected but using multiple clients (not allowed), forcing single client now")

  3598.             host.nextProcessMode = host.processMode = ENGINE_PROCESS_MODE_SINGLE_CLIENT

  3599. 

  3600.         else:

  3601.             host.transportMode = ENGINE_TRANSPORT_MODE_JACK

  3602. 

  3603.     if gCarla.nogui:

  3604.         host.showLogs = False

  3605. 

  3606.     # --------------------------------------------------------------------------------------------------------

  3607.     # run headless host now if nogui option enabled

  3608. 

  3609.     if gCarla.nogui:

  3610.         runHostWithoutUI(host)

  3611. 

  3612. # ------------------------------------------------------------------------------------------------------------

  3613. # Set host settings

  3614. 

  3615. def setHostSettings(host):

  3616.     # kdevelop likes this :)

  3617.     if False: host = CarlaHostNull()

  3618. 

  3619.     host.set_engine_option(ENGINE_OPTION_FORCE_STEREO,          host.forceStereo,         "")

  3620.     host.set_engine_option(ENGINE_OPTION_MAX_PARAMETERS,        host.maxParameters,       "")

  3621.     host.set_engine_option(ENGINE_OPTION_RESET_XRUNS,           host.resetXruns,          "")

  3622.     host.set_engine_option(ENGINE_OPTION_PREFER_PLUGIN_BRIDGES, host.preferPluginBridges, "")

  3623.     host.set_engine_option(ENGINE_OPTION_PREFER_UI_BRIDGES,     host.preferUIBridges,     "")

  3624.     host.set_engine_option(ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR, host.preventBadBehaviour, "")

  3625.     host.set_engine_option(ENGINE_OPTION_UI_BRIDGES_TIMEOUT,    host.uiBridgesTimeout,    "")

  3626.     host.set_engine_option(ENGINE_OPTION_UIS_ALWAYS_ON_TOP,     host.uisAlwaysOnTop,      "")

  3627. 

  3628.     if host.isPlugin or host.isRemote or host.is_engine_running():

  3629.         return

  3630. 

  3631.     host.set_engine_option(ENGINE_OPTION_PROCESS_MODE,          host.nextProcessMode,     "")

  3632.     host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE,        host.transportMode,       host.transportExtra)

  3633.     host.set_engine_option(ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT,  host.showLogs,            "")

  3634. 

  3635.     if not (NSM_URL and host.nsmOK):

  3636.         host.set_engine_option(ENGINE_OPTION_CLIENT_NAME_PREFIX, 0, gCarla.cnprefix)

  3637. 

  3638. # ---------------------------------------------------------------------------------------------------------------------

  3639. # Set Engine settings according to carla preferences. Returns selected audio driver.

  3640. 

  3641. def setEngineSettings(host, settings, oscPort = None):

  3642.     # kdevelop likes this :)

  3643.     if False: host = CarlaHostNull()

  3644. 

  3645.     # -----------------------------------------------------------------------------------------------------------------

  3646.     # do nothing if control

  3647. 

  3648.     if host.isControl:

  3649.         return "Control"

  3650. 

  3651.     # -----------------------------------------------------------------------------------------------------------------

  3652.     # fetch settings as needed

  3653. 

  3654.     if settings is None:

  3655.         qsettings = QSafeSettings("falkTX", "Carla2")

  3656. 

  3657.         if host.audioDriverForced is not None:

  3658.             audioDriver = host.audioDriverForced

  3659.         else:

  3660.             audioDriver = qsettings.value(CARLA_KEY_ENGINE_AUDIO_DRIVER, CARLA_DEFAULT_AUDIO_DRIVER, str)

  3661. 

  3662.         audioDriverPrefix = CARLA_KEY_ENGINE_DRIVER_PREFIX + audioDriver

  3663. 

  3664.         settings = {

  3665.             # engine

  3666.             CARLA_KEY_ENGINE_AUDIO_DRIVER: audioDriver,

  3667.             CARLA_KEY_ENGINE_AUDIO_DEVICE: qsettings.value(audioDriverPrefix+"/Device", "", str),

  3668.             CARLA_KEY_ENGINE_BUFFER_SIZE: qsettings.value(audioDriverPrefix+"/BufferSize", CARLA_DEFAULT_AUDIO_BUFFER_SIZE, int),

  3669.             CARLA_KEY_ENGINE_SAMPLE_RATE: qsettings.value(audioDriverPrefix+"/SampleRate", CARLA_DEFAULT_AUDIO_SAMPLE_RATE, int),

  3670.             CARLA_KEY_ENGINE_TRIPLE_BUFFER: qsettings.value(audioDriverPrefix+"/TripleBuffer", CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER, bool),

  3671. 

  3672.             # file paths

  3673.             CARLA_KEY_PATHS_AUDIO: splitter.join(qsettings.value(CARLA_KEY_PATHS_AUDIO, CARLA_DEFAULT_FILE_PATH_AUDIO, list)),

  3674.             CARLA_KEY_PATHS_MIDI: splitter.join(qsettings.value(CARLA_KEY_PATHS_MIDI,  CARLA_DEFAULT_FILE_PATH_MIDI, list)),

  3675. 

  3676.             # plugin paths

  3677.             CARLA_KEY_PATHS_LADSPA: splitter.join(qsettings.value(CARLA_KEY_PATHS_LADSPA, CARLA_DEFAULT_LADSPA_PATH, list)),

  3678.             CARLA_KEY_PATHS_DSSI: splitter.join(qsettings.value(CARLA_KEY_PATHS_DSSI, CARLA_DEFAULT_DSSI_PATH, list)),

  3679.             CARLA_KEY_PATHS_LV2: splitter.join(qsettings.value(CARLA_KEY_PATHS_LV2, CARLA_DEFAULT_LV2_PATH, list)),

  3680.             CARLA_KEY_PATHS_VST2: splitter.join(qsettings.value(CARLA_KEY_PATHS_VST2, CARLA_DEFAULT_VST2_PATH, list)),

  3681.             CARLA_KEY_PATHS_VST3: splitter.join(qsettings.value(CARLA_KEY_PATHS_VST3, CARLA_DEFAULT_VST3_PATH, list)),

  3682.             CARLA_KEY_PATHS_SF2: splitter.join(qsettings.value(CARLA_KEY_PATHS_SF2, CARLA_DEFAULT_SF2_PATH, list)),

  3683.             CARLA_KEY_PATHS_SFZ: splitter.join(qsettings.value(CARLA_KEY_PATHS_SFZ, CARLA_DEFAULT_SFZ_PATH, list)),

  3684.             CARLA_KEY_PATHS_JSFX: splitter.join(qsettings.value(CARLA_KEY_PATHS_JSFX, CARLA_DEFAULT_JSFX_PATH, list)),

  3685.             CARLA_KEY_PATHS_CLAP: splitter.join(qsettings.value(CARLA_KEY_PATHS_CLAP, CARLA_DEFAULT_CLAP_PATH, list)),

  3686. 

  3687.             # osc

  3688.             CARLA_KEY_OSC_ENABLED: qsettings.value(CARLA_KEY_OSC_ENABLED, CARLA_DEFAULT_OSC_ENABLED, bool),

  3689.             CARLA_KEY_OSC_TCP_PORT_ENABLED: qsettings.value(CARLA_KEY_OSC_TCP_PORT_ENABLED, CARLA_DEFAULT_OSC_TCP_PORT_ENABLED, bool),

  3690.             CARLA_KEY_OSC_TCP_PORT_RANDOM: qsettings.value(CARLA_KEY_OSC_TCP_PORT_RANDOM, CARLA_DEFAULT_OSC_TCP_PORT_RANDOM, bool),

  3691.             CARLA_KEY_OSC_TCP_PORT_NUMBER: qsettings.value(CARLA_KEY_OSC_TCP_PORT_NUMBER, CARLA_DEFAULT_OSC_TCP_PORT_NUMBER, int),

  3692.             CARLA_KEY_OSC_UDP_PORT_ENABLED: qsettings.value(CARLA_KEY_OSC_UDP_PORT_ENABLED, CARLA_DEFAULT_OSC_UDP_PORT_ENABLED, bool),

  3693.             CARLA_KEY_OSC_UDP_PORT_RANDOM: qsettings.value(CARLA_KEY_OSC_UDP_PORT_RANDOM, CARLA_DEFAULT_OSC_UDP_PORT_RANDOM, bool),

  3694.             CARLA_KEY_OSC_UDP_PORT_NUMBER: qsettings.value(CARLA_KEY_OSC_UDP_PORT_NUMBER, CARLA_DEFAULT_OSC_UDP_PORT_NUMBER, int),

  3695. 

  3696.             # wine

  3697.             CARLA_KEY_WINE_EXECUTABLE: qsettings.value(CARLA_KEY_WINE_EXECUTABLE, CARLA_DEFAULT_WINE_EXECUTABLE, str),

  3698.             CARLA_KEY_WINE_AUTO_PREFIX: qsettings.value(CARLA_KEY_WINE_AUTO_PREFIX, CARLA_DEFAULT_WINE_AUTO_PREFIX, bool),

  3699.             CARLA_KEY_WINE_FALLBACK_PREFIX: qsettings.value(CARLA_KEY_WINE_FALLBACK_PREFIX, CARLA_DEFAULT_WINE_FALLBACK_PREFIX, str),

  3700.             CARLA_KEY_WINE_RT_PRIO_ENABLED: qsettings.value(CARLA_KEY_WINE_RT_PRIO_ENABLED, CARLA_DEFAULT_WINE_RT_PRIO_ENABLED, bool),

  3701.             CARLA_KEY_WINE_BASE_RT_PRIO: qsettings.value(CARLA_KEY_WINE_BASE_RT_PRIO, CARLA_DEFAULT_WINE_BASE_RT_PRIO, int),

  3702.             CARLA_KEY_WINE_SERVER_RT_PRIO: qsettings.value(CARLA_KEY_WINE_SERVER_RT_PRIO, CARLA_DEFAULT_WINE_SERVER_RT_PRIO, int),

  3703.         }

  3704. 

  3705.     # -----------------------------------------------------------------------------------------------------------------

  3706.     # main settings

  3707. 

  3708.     setHostSettings(host)

  3709. 

  3710.     # -----------------------------------------------------------------------------------------------------------------

  3711.     # file paths

  3712. 

  3713.     host.set_engine_option(ENGINE_OPTION_FILE_PATH, FILE_AUDIO, settings[CARLA_KEY_PATHS_AUDIO])

  3714.     host.set_engine_option(ENGINE_OPTION_FILE_PATH, FILE_MIDI, settings[CARLA_KEY_PATHS_MIDI])

  3715. 

  3716.     # -----------------------------------------------------------------------------------------------------------------

  3717.     # plugin paths

  3718. 

  3719.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LADSPA, settings[CARLA_KEY_PATHS_LADSPA])

  3720.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_DSSI, settings[CARLA_KEY_PATHS_DSSI])

  3721.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_LV2, settings[CARLA_KEY_PATHS_LV2])

  3722.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST2, settings[CARLA_KEY_PATHS_VST2])

  3723.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_VST3, settings[CARLA_KEY_PATHS_VST3])

  3724.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SF2, settings[CARLA_KEY_PATHS_SF2])

  3725.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_SFZ, settings[CARLA_KEY_PATHS_SFZ])

  3726.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_JSFX, settings[CARLA_KEY_PATHS_JSFX])

  3727.     host.set_engine_option(ENGINE_OPTION_PLUGIN_PATH, PLUGIN_CLAP, settings[CARLA_KEY_PATHS_CLAP])

  3728. 

  3729.     # -----------------------------------------------------------------------------------------------------------------

  3730.     # don't continue if plugin

  3731. 

  3732.     if host.isPlugin:

  3733.         return "Plugin"

  3734. 

  3735.     # -----------------------------------------------------------------------------------------------------------------

  3736.     # osc settings

  3737. 

  3738.     if oscPort is not None and isinstance(oscPort, int):

  3739.         oscEnabled = True

  3740.         portNumTCP = portNumUDP = oscPort

  3741. 

  3742.     else:

  3743.         oscEnabled = settings[CARLA_KEY_OSC_ENABLED]

  3744. 

  3745.         if not settings[CARLA_KEY_OSC_TCP_PORT_ENABLED]:

  3746.             portNumTCP = -1

  3747.         elif settings[CARLA_KEY_OSC_TCP_PORT_RANDOM]:

  3748.             portNumTCP = 0

  3749.         else:

  3750.             portNumTCP = settings[CARLA_KEY_OSC_TCP_PORT_NUMBER]

  3751. 

  3752.         if not settings[CARLA_KEY_OSC_UDP_PORT_ENABLED]:

  3753.             portNumUDP = -1

  3754.         elif settings[CARLA_KEY_OSC_UDP_PORT_RANDOM]:

  3755.             portNumUDP = 0

  3756.         else:

  3757.             portNumUDP = settings[CARLA_KEY_OSC_UDP_PORT_NUMBER]

  3758. 

  3759.     host.set_engine_option(ENGINE_OPTION_OSC_ENABLED, 1 if oscEnabled else 0, "")

  3760.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_TCP, portNumTCP, "")

  3761.     host.set_engine_option(ENGINE_OPTION_OSC_PORT_UDP, portNumUDP, "")

  3762. 

  3763.     # -----------------------------------------------------------------------------------------------------------------

  3764.     # wine settings

  3765. 

  3766.     host.set_engine_option(ENGINE_OPTION_WINE_EXECUTABLE, 0, settings[CARLA_KEY_WINE_EXECUTABLE])

  3767.     host.set_engine_option(ENGINE_OPTION_WINE_AUTO_PREFIX, 1 if settings[CARLA_KEY_WINE_AUTO_PREFIX] else 0, "")

  3768.     host.set_engine_option(ENGINE_OPTION_WINE_FALLBACK_PREFIX, 0, os.path.expanduser(settings[CARLA_KEY_WINE_FALLBACK_PREFIX]))

  3769.     host.set_engine_option(ENGINE_OPTION_WINE_RT_PRIO_ENABLED, 1 if settings[CARLA_KEY_WINE_RT_PRIO_ENABLED] else 0, "")

  3770.     host.set_engine_option(ENGINE_OPTION_WINE_BASE_RT_PRIO, settings[CARLA_KEY_WINE_BASE_RT_PRIO], "")

  3771.     host.set_engine_option(ENGINE_OPTION_WINE_SERVER_RT_PRIO, settings[CARLA_KEY_WINE_SERVER_RT_PRIO], "")

  3772. 

  3773.     # -----------------------------------------------------------------------------------------------------------------

  3774.     # driver and device settings

  3775. 

  3776.     # driver name

  3777.     audioDriver = settings[CARLA_KEY_ENGINE_AUDIO_DRIVER]

  3778. 

  3779.     # Only setup audio things if engine is not running

  3780.     if not host.is_engine_running():

  3781.         host.set_engine_option(ENGINE_OPTION_AUDIO_DRIVER, 0, audioDriver)

  3782.         host.set_engine_option(ENGINE_OPTION_AUDIO_DEVICE, 0, settings[CARLA_KEY_ENGINE_AUDIO_DEVICE])

  3783. 

  3784.         if not audioDriver.startswith("JACK"):

  3785.             host.set_engine_option(ENGINE_OPTION_AUDIO_BUFFER_SIZE, settings[CARLA_KEY_ENGINE_BUFFER_SIZE], "")

  3786.             host.set_engine_option(ENGINE_OPTION_AUDIO_SAMPLE_RATE, settings[CARLA_KEY_ENGINE_SAMPLE_RATE], "")

  3787.             host.set_engine_option(ENGINE_OPTION_AUDIO_TRIPLE_BUFFER, 1 if settings[CARLA_KEY_ENGINE_TRIPLE_BUFFER] else 0, "")

  3788. 

  3789.     # -----------------------------------------------------------------------------------------------------------------

  3790.     # fix things if needed

  3791. 

  3792.     if audioDriver != "JACK" and host.transportMode == ENGINE_TRANSPORT_MODE_JACK:

  3793.         host.transportMode = ENGINE_TRANSPORT_MODE_INTERNAL

  3794.         host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, ENGINE_TRANSPORT_MODE_INTERNAL, host.transportExtra)

  3795. 

  3796.     # -----------------------------------------------------------------------------------------------------------------

  3797.     # return selected driver name

  3798. 

  3799.     return audioDriver

  3800. 

  3801. # ---------------------------------------------------------------------------------------------------------------------

  3802. # Run Carla without showing UI

  3803. 

  3804. def runHostWithoutUI(host):

  3805.     # kdevelop likes this :)

  3806.     if False: host = CarlaHostNull()

  3807. 

  3808.     # --------------------------------------------------------------------------------------------------------

  3809.     # Some initial checks

  3810. 

  3811.     if not gCarla.nogui:

  3812.         return

  3813. 

  3814.     projectFile = getInitialProjectFile(True)

  3815. 

  3816.     if gCarla.nogui is True:

  3817.         oscPort = None

  3818. 

  3819.         if not projectFile:

  3820.             print("Carla no-gui mode can only be used together with a project file.")

  3821.             sys.exit(1)

  3822. 

  3823.     else:

  3824.         oscPort = gCarla.nogui

  3825. 

  3826.     # --------------------------------------------------------------------------------------------------------

  3827.     # Additional imports

  3828. 

  3829.     from time import sleep

  3830. 

  3831.     # --------------------------------------------------------------------------------------------------------

  3832.     # Init engine

  3833. 

  3834.     audioDriver = setEngineSettings(host, None, oscPort)

  3835.     if not host.engine_init(audioDriver, CARLA_CLIENT_NAME or "Carla"):

  3836.         print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())

  3837.         sys.exit(1)

  3838. 

  3839.     if projectFile and not host.load_project(projectFile):

  3840.         print("Failed to load selected project file, possible reasons:\n%s" % host.get_last_error())

  3841.         host.engine_close()

  3842.         sys.exit(1)

  3843. 

  3844.     # --------------------------------------------------------------------------------------------------------

  3845.     # Idle

  3846. 

  3847.     print("Carla ready!")

  3848. 

  3849.     while host.is_engine_running() and not gCarla.term:

  3850.         host.engine_idle()

  3851.         sleep(0.0333) # 30 Hz

  3852. 

  3853.     # --------------------------------------------------------------------------------------------------------

  3854.     # Stop

  3855. 

  3856.     host.engine_close()

  3857.     sys.exit(0)

  3858. 

  3859. # ------------------------------------------------------------------------------------------------------------