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

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  1. #!/usr/bin/env python3

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

  3. 

  4. # Carla widgets code

  5. # Copyright (C) 2011-2019 Filipe Coelho <falktx@falktx.com>

  6. #

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

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

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

  10. # the License, or any later version.

  11. #

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

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

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

  15. # GNU General Public License for more details.

  16. #

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

  18. 

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

  20. # Imports (Global)

  21. 

  22. from PyQt5.QtCore import pyqtSignal, pyqtSlot, Qt, QByteArray, QSettings, QTimer

  23. from PyQt5.QtGui import QColor, QCursor, QFontMetrics, QPainter, QPainterPath, QPalette, QPixmap

  24. from PyQt5.QtWidgets import QDialog, QGroupBox, QInputDialog, QLineEdit, QMenu, QScrollArea, QVBoxLayout, QWidget

  25. 

  26. # ------------------------------------------------------------------------------------------------------------

  27. # Imports (Custom)

  28. 

  29. import ui_carla_about

  30. import ui_carla_about_juce

  31. import ui_carla_edit

  32. import ui_carla_parameter

  33. 

  34. from carla_shared import *

  35. from carla_utils import *

  36. from widgets.collapsablewidget import CollapsibleBox

  37. from widgets.paramspinbox import CustomInputDialog

  38. from widgets.pixmapkeyboard import PixmapKeyboardHArea

  39. 

  40. # ------------------------------------------------------------------------------------------------------------

  41. # Carla GUI defines

  42. 

  43. ICON_STATE_ON   = 3 # turns on, sets as wait

  44. ICON_STATE_WAIT = 2 # nothing, sets as off

  45. ICON_STATE_OFF  = 1 # turns off, sets as null

  46. ICON_STATE_NULL = 0 # nothing

  47. 

  48. # ------------------------------------------------------------------------------------------------------------

  49. # Carla About dialog

  50. 

  51. class CarlaAboutW(QDialog):

  52.     def __init__(self, parent, host):

  53.         QDialog.__init__(self, parent)

  54.         self.ui = ui_carla_about.Ui_CarlaAboutW()

  55.         self.ui.setupUi(self)

  56. 

  57.         if False:

  58.             # kdevelop likes this :)

  59.             host = CarlaHostNull()

  60. 

  61.         if host.isControl:

  62.             extraInfo = " - <b>%s</b>" % self.tr("OSC Bridge Version")

  63.         elif host.isPlugin:

  64.             extraInfo = " - <b>%s</b>" % self.tr("Plugin Version")

  65.         else:

  66.             extraInfo = ""

  67. 

  68.         self.ui.l_about.setText(self.tr(""

  69.                                      "<br>Version %s"

  70.                                      "<br>Carla is a fully-featured audio plugin host%s.<br>"

  71.                                      "<br>Copyright (C) 2011-2019 falkTX<br>"

  72.                                      "" % (VERSION, extraInfo)))

  73. 

  74.         if self.ui.about.palette().color(QPalette.Background).blackF() < 0.5:

  75.             self.ui.l_icons.setPixmap(QPixmap(":/bitmaps/carla_about_black.png"))

  76.             self.ui.ico_example_edit.setPixmap(QPixmap(":/bitmaps/button_file-black.png"))

  77.             self.ui.ico_example_file.setPixmap(QPixmap(":/bitmaps/button_edit-black.png"))

  78.             self.ui.ico_example_gui.setPixmap(QPixmap(":/bitmaps/button_gui-black.png"))

  79. 

  80.         if host.isControl:

  81.             self.ui.l_extended.hide()

  82.             self.ui.tabWidget.removeTab(3)

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

  84. 

  85.         self.ui.l_extended.setText(gCarla.utils.get_complete_license_text())

  86. 

  87.         if host.is_engine_running() and not host.isControl:

  88.             self.ui.le_osc_url_tcp.setText(host.get_host_osc_url_tcp())

  89.             self.ui.le_osc_url_udp.setText(host.get_host_osc_url_udp())

  90.         else:

  91.             self.ui.le_osc_url_tcp.setText(self.tr("(Engine not running)"))

  92.             self.ui.le_osc_url_udp.setText(self.tr("(Engine not running)"))

  93. 

  94.         self.ui.l_osc_cmds.setText("<table>"

  95.                                    "<tr><td>" "/set_active"                 "&nbsp;</td><td>&lt;i-value&gt;</td></tr>"

  96.                                    "<tr><td>" "/set_drywet"                 "&nbsp;</td><td>&lt;f-value&gt;</td></tr>"

  97.                                    "<tr><td>" "/set_volume"                 "&nbsp;</td><td>&lt;f-value&gt;</td></tr>"

  98.                                    "<tr><td>" "/set_balance_left"           "&nbsp;</td><td>&lt;f-value&gt;</td></tr>"

  99.                                    "<tr><td>" "/set_balance_right"          "&nbsp;</td><td>&lt;f-value&gt;</td></tr>"

  100.                                    "<tr><td>" "/set_panning"                "&nbsp;</td><td>&lt;f-value&gt;</td></tr>"

  101.                                    "<tr><td>" "/set_parameter_value"        "&nbsp;</td><td>&lt;i-index&gt; &lt;f-value&gt;</td></tr>"

  102.                                    "<tr><td>" "/set_parameter_midi_cc"      "&nbsp;</td><td>&lt;i-index&gt; &lt;i-cc&gt;</td></tr>"

  103.                                    "<tr><td>" "/set_parameter_midi_channel" "&nbsp;</td><td>&lt;i-index&gt; &lt;i-channel&gt;</td></tr>"

  104.                                    "<tr><td>" "/set_program"                "&nbsp;</td><td>&lt;i-index&gt;</td></tr>"

  105.                                    "<tr><td>" "/set_midi_program"           "&nbsp;</td><td>&lt;i-index&gt;</td></tr>"

  106.                                    "<tr><td>" "/note_on"                    "&nbsp;</td><td>&lt;i-channel&gt; &lt;i-note&gt; &lt;i-velo&gt;</td></tr>"

  107.                                    "<tr><td>" "/note_off"                   "&nbsp;</td><td>&lt;i-channel&gt; &lt;i-note</td></tr>"

  108.                                    "</table>"

  109.                                   )

  110. 

  111.         self.ui.l_example.setText("/Carla/2/set_parameter_value 5 1.0")

  112.         self.ui.l_example_help.setText("<i>(as in this example, \"2\" is the plugin number and \"5\" the parameter)</i>")

  113. 

  114.         self.ui.l_ladspa.setText(self.tr("Everything! (Including LRDF)"))

  115.         self.ui.l_dssi.setText(self.tr("Everything! (Including CustomData/Chunks)"))

  116.         self.ui.l_lv2.setText(self.tr("About 110&#37; complete (using custom extensions)<br/>"

  117.                                       "Implemented Feature/Extensions:"

  118.                                       "<ul>"

  119.                                       "<li>http://lv2plug.in/ns/ext/atom</li>"

  120.                                       "<li>http://lv2plug.in/ns/ext/buf-size</li>"

  121.                                       "<li>http://lv2plug.in/ns/ext/data-access</li>"

  122.                                       #"<li>http://lv2plug.in/ns/ext/dynmanifest</li>"

  123.                                       "<li>http://lv2plug.in/ns/ext/event</li>"

  124.                                       "<li>http://lv2plug.in/ns/ext/instance-access</li>"

  125.                                       "<li>http://lv2plug.in/ns/ext/log</li>"

  126.                                       "<li>http://lv2plug.in/ns/ext/midi</li>"

  127.                                       #"<li>http://lv2plug.in/ns/ext/morph</li>"

  128.                                       "<li>http://lv2plug.in/ns/ext/options</li>"

  129.                                       "<li>http://lv2plug.in/ns/ext/parameters</li>"

  130.                                       #"<li>http://lv2plug.in/ns/ext/patch</li>"

  131.                                       #"<li>http://lv2plug.in/ns/ext/port-groups</li>"

  132.                                       "<li>http://lv2plug.in/ns/ext/port-props</li>"

  133.                                       "<li>http://lv2plug.in/ns/ext/presets</li>"

  134.                                       "<li>http://lv2plug.in/ns/ext/resize-port</li>"

  135.                                       "<li>http://lv2plug.in/ns/ext/state</li>"

  136.                                       "<li>http://lv2plug.in/ns/ext/time</li>"

  137.                                       "<li>http://lv2plug.in/ns/ext/uri-map</li>"

  138.                                       "<li>http://lv2plug.in/ns/ext/urid</li>"

  139.                                       "<li>http://lv2plug.in/ns/ext/worker</li>"

  140.                                       "<li>http://lv2plug.in/ns/extensions/ui</li>"

  141.                                       "<li>http://lv2plug.in/ns/extensions/units</li>"

  142.                                       "<li>http://home.gna.org/lv2dynparam/rtmempool/v1</li>"

  143.                                       "<li>http://kxstudio.sf.net/ns/lv2ext/external-ui</li>"

  144.                                       "<li>http://kxstudio.sf.net/ns/lv2ext/programs</li>"

  145.                                       "<li>http://kxstudio.sf.net/ns/lv2ext/props</li>"

  146.                                       "<li>http://kxstudio.sf.net/ns/lv2ext/rtmempool</li>"

  147.                                       "<li>http://ll-plugins.nongnu.org/lv2/ext/midimap</li>"

  148.                                       "<li>http://ll-plugins.nongnu.org/lv2/ext/miditype</li>"

  149.                                       "</ul>"))

  150. 

  151.         usingJuce = "juce" in gCarla.utils.get_supported_features()

  152. 

  153.         if usingJuce and (MACOS or WINDOWS):

  154.             self.ui.l_vst2.setText(self.tr("Using Juce host"))

  155.             self.ui.l_vst3.setText(self.tr("Using Juce host"))

  156.         else:

  157.             self.ui.l_vst2.setText(self.tr("About 85% complete (missing vst bank/presets and some minor stuff)"))

  158.             self.ui.line_vst2.hide()

  159.             self.ui.l_vst3.hide()

  160.             self.ui.lid_vst3.hide()

  161. 

  162.         if MACOS:

  163.             self.ui.l_au.setText(self.tr("Using Juce host"))

  164.         else:

  165.             self.ui.line_vst3.hide()

  166.             self.ui.l_au.hide()

  167.             self.ui.lid_au.hide()

  168. 

  169.         # 3rd tab is usually longer than the 1st

  170.         # adjust appropriately

  171.         self.ui.tabWidget.setCurrentIndex(2)

  172.         self.adjustSize()

  173. 

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

  175.         self.setFixedSize(self.size())

  176. 

  177.         flags  = self.windowFlags()

  178.         flags &= ~Qt.WindowContextHelpButtonHint

  179. 

  180.         if WINDOWS:

  181.             flags |= Qt.MSWindowsFixedSizeDialogHint

  182. 

  183.         self.setWindowFlags(flags)

  184. 

  185.     def done(self, r):

  186.         QDialog.done(self, r)

  187.         self.close()

  188. 

  189. # ------------------------------------------------------------------------------------------------------------

  190. # JUCE About dialog

  191. 

  192. class JuceAboutW(QDialog):

  193.     def __init__(self, parent):

  194.         QDialog.__init__(self, parent)

  195.         self.ui = ui_carla_about_juce.Ui_JuceAboutW()

  196.         self.ui.setupUi(self)

  197. 

  198.         self.ui.l_text2.setText(self.tr("This program uses JUCE version %s." % gCarla.utils.get_juce_version()))

  199. 

  200.         self.adjustSize()

  201.         self.setFixedSize(self.size())

  202. 

  203.         if WINDOWS:

  204.             self.setWindowFlags(self.windowFlags()|Qt.MSWindowsFixedSizeDialogHint)

  205. 

  206.     def done(self, r):

  207.         QDialog.done(self, r)

  208.         self.close()

  209. 

  210. # ------------------------------------------------------------------------------------------------------------

  211. # Plugin Parameter

  212. 

  213. class PluginParameter(QWidget):

  214.     midiControlChanged = pyqtSignal(int, int)

  215.     midiChannelChanged = pyqtSignal(int, int)

  216.     valueChanged       = pyqtSignal(int, float)

  217. 

  218.     def __init__(self, parent, host, pInfo, pluginId, tabIndex):

  219.         QWidget.__init__(self, parent)

  220.         self.host = host

  221.         self.ui = ui_carla_parameter.Ui_PluginParameter()

  222.         self.ui.setupUi(self)

  223. 

  224.         if False:

  225.             # kdevelop likes this :)

  226.             host = CarlaHostNull()

  227.             self.host = host

  228. 

  229.         # -------------------------------------------------------------

  230.         # Internal stuff

  231. 

  232.         self.fMidiControl = -1

  233.         self.fMidiChannel = 1

  234.         self.fParameterId = pInfo['index']

  235.         self.fPluginId    = pluginId

  236.         self.fTabIndex    = tabIndex

  237. 

  238.         # -------------------------------------------------------------

  239.         # Set-up GUI

  240. 

  241.         pType  = pInfo['type']

  242.         pHints = pInfo['hints']

  243. 

  244.         self.ui.label.setText(pInfo['name'])

  245.         self.ui.widget.setName(pInfo['name'])

  246.         self.ui.widget.setMinimum(pInfo['minimum'])

  247.         self.ui.widget.setMaximum(pInfo['maximum'])

  248.         self.ui.widget.setDefault(pInfo['default'])

  249.         self.ui.widget.setLabel(pInfo['unit'])

  250.         self.ui.widget.setStep(pInfo['step'])

  251.         self.ui.widget.setStepSmall(pInfo['stepSmall'])

  252.         self.ui.widget.setStepLarge(pInfo['stepLarge'])

  253.         self.ui.widget.setScalePoints(pInfo['scalePoints'], bool(pHints & PARAMETER_USES_SCALEPOINTS))

  254. 

  255.         if pInfo['comment']:

  256.             self.ui.label.setToolTip(pInfo['comment'])

  257.             self.ui.widget.setToolTip(pInfo['comment'])

  258. 

  259.         if pType == PARAMETER_INPUT:

  260.             if not pHints & PARAMETER_IS_ENABLED:

  261.                 self.ui.label.setEnabled(False)

  262.                 self.ui.widget.setEnabled(False)

  263.                 self.ui.widget.setReadOnly(True)

  264.                 self.ui.sb_control.setEnabled(False)

  265.                 self.ui.sb_channel.setEnabled(False)

  266. 

  267.             elif not pHints & PARAMETER_IS_AUTOMABLE:

  268.                 self.ui.sb_control.setEnabled(False)

  269.                 self.ui.sb_channel.setEnabled(False)

  270. 

  271.             if pHints & PARAMETER_IS_READ_ONLY:

  272.                 self.ui.widget.setReadOnly(True)

  273. 

  274.         elif pType == PARAMETER_OUTPUT:

  275.             self.ui.widget.setReadOnly(True)

  276. 

  277.         else:

  278.             self.ui.widget.setVisible(False)

  279.             self.ui.sb_control.setVisible(False)

  280.             self.ui.sb_channel.setVisible(False)

  281. 

  282.         # Only set value after all hints are handled

  283.         self.ui.widget.setValue(pInfo['current'])

  284. 

  285.         if pHints & PARAMETER_USES_CUSTOM_TEXT and not host.isPlugin:

  286.             self.ui.widget.setTextCallback(self._textCallBack)

  287. 

  288.         self.ui.widget.setValueCallback(self._valueCallBack)

  289.         self.ui.widget.updateAll()

  290. 

  291.         self.setMidiControl(pInfo['midiCC'])

  292.         self.setMidiChannel(pInfo['midiChannel'])

  293. 

  294.         # -------------------------------------------------------------

  295.         # Set-up connections

  296. 

  297.         self.ui.sb_control.customContextMenuRequested.connect(self.slot_controlSpinboxCustomMenu)

  298.         self.ui.sb_channel.customContextMenuRequested.connect(self.slot_channelSpinboxCustomMenu)

  299.         self.ui.sb_control.valueChanged.connect(self.slot_controlSpinboxChanged)

  300.         self.ui.sb_channel.valueChanged.connect(self.slot_channelSpinboxChanged)

  301.         self.ui.widget.dragStateChanged.connect(self.slot_parameterDragStateChanged)

  302. 

  303.         # -------------------------------------------------------------

  304. 

  305.     def getPluginId(self):

  306.         return self.fPluginId

  307. 

  308.     def getTabIndex(self):

  309.         return self.fTabIndex

  310. 

  311.     def setPluginId(self, pluginId):

  312.         self.fPluginId = pluginId

  313. 

  314.     def setDefault(self, value):

  315.         self.ui.widget.setDefault(value)

  316. 

  317.     def setValue(self, value):

  318.         self.ui.widget.blockSignals(True)

  319.         self.ui.widget.setValue(value)

  320.         self.ui.widget.blockSignals(False)

  321. 

  322.     def setMidiControl(self, control):

  323.         self.fMidiControl = control

  324.         self.ui.sb_control.blockSignals(True)

  325.         self.ui.sb_control.setValue(control)

  326.         self.ui.sb_control.blockSignals(False)

  327. 

  328.     def setMidiChannel(self, channel):

  329.         self.fMidiChannel = channel

  330.         self.ui.sb_channel.blockSignals(True)

  331.         self.ui.sb_channel.setValue(channel)

  332.         self.ui.sb_channel.blockSignals(False)

  333. 

  334.     def setLabelWidth(self, width):

  335.         self.ui.label.setFixedWidth(width)

  336. 

  337.     @pyqtSlot()

  338.     def slot_controlSpinboxCustomMenu(self):

  339.         menu = QMenu(self)

  340. 

  341.         actNone = menu.addAction(self.tr("None"))

  342. 

  343.         if self.fMidiControl == -1:

  344.             actNone.setCheckable(True)

  345.             actNone.setChecked(True)

  346. 

  347.         for cc in MIDI_CC_LIST:

  348.             action = menu.addAction(cc)

  349. 

  350.             if self.fMidiControl != -1 and int(cc.split(" ", 1)[0], 16) == self.fMidiControl:

  351.                 action.setCheckable(True)

  352.                 action.setChecked(True)

  353. 

  354.         actSel = menu.exec_(QCursor.pos())

  355. 

  356.         if not actSel:

  357.             pass

  358.         elif actSel == actNone:

  359.             self.ui.sb_control.setValue(-1)

  360.         else:

  361.             selControlStr = actSel.text()

  362.             selControl    = int(selControlStr.split(" ", 1)[0].replace("&",""), 16)

  363.             self.ui.sb_control.setValue(selControl)

  364. 

  365.     @pyqtSlot()

  366.     def slot_channelSpinboxCustomMenu(self):

  367.         menu = QMenu(self)

  368. 

  369.         for i in range(1, 16+1):

  370.             action = menu.addAction("%i" % i)

  371. 

  372.             if self.fMidiChannel == i:

  373.                 action.setCheckable(True)

  374.                 action.setChecked(True)

  375. 

  376.         actSel = menu.exec_(QCursor.pos())

  377. 

  378.         if actSel:

  379.             selChannel = int(actSel.text())

  380.             self.ui.sb_channel.setValue(selChannel)

  381. 

  382.     @pyqtSlot(int)

  383.     def slot_controlSpinboxChanged(self, control):

  384.         self.fMidiControl = control

  385.         self.midiControlChanged.emit(self.fParameterId, control)

  386. 

  387.     @pyqtSlot(int)

  388.     def slot_channelSpinboxChanged(self, channel):

  389.         self.fMidiChannel = channel

  390.         self.midiChannelChanged.emit(self.fParameterId, channel)

  391. 

  392.     @pyqtSlot(bool)

  393.     def slot_parameterDragStateChanged(self, touch):

  394.         self.host.set_parameter_touch(self.fPluginId, self.fParameterId, touch)

  395. 

  396.     def _textCallBack(self):

  397.         return self.host.get_parameter_text(self.fPluginId, self.fParameterId)

  398. 

  399.     def _valueCallBack(self, value):

  400.         self.valueChanged.emit(self.fParameterId, value)

  401. 

  402. # ------------------------------------------------------------------------------------------------------------

  403. # Plugin Editor Parent (Meta class)

  404. 

  405. class PluginEditParentMeta():

  406. #class PluginEditParentMeta(metaclass=ABCMeta):

  407.     @abstractmethod

  408.     def editDialogVisibilityChanged(self, pluginId, visible):

  409.         raise NotImplementedError

  410. 

  411.     @abstractmethod

  412.     def editDialogPluginHintsChanged(self, pluginId, hints):

  413.         raise NotImplementedError

  414. 

  415.     @abstractmethod

  416.     def editDialogParameterValueChanged(self, pluginId, parameterId, value):

  417.         raise NotImplementedError

  418. 

  419.     @abstractmethod

  420.     def editDialogProgramChanged(self, pluginId, index):

  421.         raise NotImplementedError

  422. 

  423.     @abstractmethod

  424.     def editDialogMidiProgramChanged(self, pluginId, index):

  425.         raise NotImplementedError

  426. 

  427.     @abstractmethod

  428.     def editDialogNotePressed(self, pluginId, note):

  429.         raise NotImplementedError

  430. 

  431.     @abstractmethod

  432.     def editDialogNoteReleased(self, pluginId, note):

  433.         raise NotImplementedError

  434. 

  435.     @abstractmethod

  436.     def editDialogMidiActivityChanged(self, pluginId, onOff):

  437.         raise NotImplementedError

  438. 

  439. # ------------------------------------------------------------------------------------------------------------

  440. # Plugin Editor (Built-in)

  441. 

  442. class PluginEdit(QDialog):

  443.     # signals

  444.     SIGTERM = pyqtSignal()

  445.     SIGUSR1 = pyqtSignal()

  446. 

  447.     def __init__(self, parent, host, pluginId):

  448.         QDialog.__init__(self, parent.window() if parent is not None else None)

  449.         self.host = host

  450.         self.ui = ui_carla_edit.Ui_PluginEdit()

  451.         self.ui.setupUi(self)

  452. 

  453.         if False:

  454.             # kdevelop likes this :)

  455.             parent = PluginEditParentMeta()

  456.             host = CarlaHostNull()

  457.             self.host = host

  458. 

  459.         # -------------------------------------------------------------

  460.         # Internal stuff

  461. 

  462.         self.fGeometry   = QByteArray()

  463.         self.fParent     = parent

  464.         self.fPluginId   = pluginId

  465.         self.fPluginInfo = None

  466. 

  467.         self.fCurrentStateFilename = None

  468.         self.fControlChannel = round(host.get_internal_parameter_value(pluginId, PARAMETER_CTRL_CHANNEL))

  469.         self.fFirstInit      = True

  470. 

  471.         self.fParameterList      = [] # (type, id, widget)

  472.         self.fParametersToUpdate = [] # (id, value)

  473. 

  474.         self.fPlayingNotes = [] # (channel, note)

  475. 

  476.         self.fTabIconOff    = QIcon(":/bitmaps/led_off.png")

  477.         self.fTabIconOn     = QIcon(":/bitmaps/led_yellow.png")

  478.         self.fTabIconTimers = []

  479. 

  480.         # used during testing

  481.         self.fIdleTimerId = 0

  482. 

  483.         # -------------------------------------------------------------

  484.         # Set-up GUI

  485. 

  486.         labelPluginFont = self.ui.label_plugin.font()

  487.         labelPluginFont.setPixelSize(15)

  488.         labelPluginFont.setWeight(75)

  489.         self.ui.label_plugin.setFont(labelPluginFont)

  490. 

  491.         self.ui.dial_drywet.setCustomPaintMode(self.ui.dial_drywet.CUSTOM_PAINT_MODE_CARLA_WET)

  492.         self.ui.dial_drywet.setPixmap(3)

  493.         self.ui.dial_drywet.setLabel("Dry/Wet")

  494.         self.ui.dial_drywet.setMinimum(0.0)

  495.         self.ui.dial_drywet.setMaximum(1.0)

  496.         self.ui.dial_drywet.setValue(host.get_internal_parameter_value(pluginId, PARAMETER_DRYWET))

  497. 

  498.         self.ui.dial_vol.setCustomPaintMode(self.ui.dial_vol.CUSTOM_PAINT_MODE_CARLA_VOL)

  499.         self.ui.dial_vol.setPixmap(3)

  500.         self.ui.dial_vol.setLabel("Volume")

  501.         self.ui.dial_vol.setMinimum(0.0)

  502.         self.ui.dial_vol.setMaximum(1.27)

  503.         self.ui.dial_vol.setValue(host.get_internal_parameter_value(pluginId, PARAMETER_VOLUME))

  504. 

  505.         self.ui.dial_b_left.setCustomPaintMode(self.ui.dial_b_left.CUSTOM_PAINT_MODE_CARLA_L)

  506.         self.ui.dial_b_left.setPixmap(4)

  507.         self.ui.dial_b_left.setLabel("L")

  508.         self.ui.dial_b_left.setMinimum(-1.0)

  509.         self.ui.dial_b_left.setMaximum(1.0)

  510.         self.ui.dial_b_left.setValue(host.get_internal_parameter_value(pluginId, PARAMETER_BALANCE_LEFT))

  511. 

  512.         self.ui.dial_b_right.setCustomPaintMode(self.ui.dial_b_right.CUSTOM_PAINT_MODE_CARLA_R)

  513.         self.ui.dial_b_right.setPixmap(4)

  514.         self.ui.dial_b_right.setLabel("R")

  515.         self.ui.dial_b_right.setMinimum(-1.0)

  516.         self.ui.dial_b_right.setMaximum(1.0)

  517.         self.ui.dial_b_right.setValue(host.get_internal_parameter_value(pluginId, PARAMETER_BALANCE_RIGHT))

  518. 

  519.         self.ui.dial_pan.setCustomPaintMode(self.ui.dial_b_right.CUSTOM_PAINT_MODE_CARLA_PAN)

  520.         self.ui.dial_pan.setPixmap(4)

  521.         self.ui.dial_pan.setLabel("Pan")

  522.         self.ui.dial_pan.setMinimum(-1.0)

  523.         self.ui.dial_pan.setMaximum(1.0)

  524.         self.ui.dial_pan.setValue(host.get_internal_parameter_value(pluginId, PARAMETER_PANNING))

  525. 

  526.         self.ui.sb_ctrl_channel.setValue(self.fControlChannel+1)

  527. 

  528.         self.ui.scrollArea = PixmapKeyboardHArea(self)

  529.         self.ui.keyboard   = self.ui.scrollArea.keyboard

  530.         self.ui.keyboard.setEnabled(self.fControlChannel >= 0)

  531.         self.layout().addWidget(self.ui.scrollArea)

  532. 

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

  534.         self.ui.scrollArea.setVisible(False)

  535. 

  536.         # todo

  537.         self.ui.rb_balance.setEnabled(False)

  538.         self.ui.rb_balance.setVisible(False)

  539.         self.ui.rb_pan.setEnabled(False)

  540.         self.ui.rb_pan.setVisible(False)

  541. 

  542.         self.setWindowFlags(self.windowFlags() & ~Qt.WindowContextHelpButtonHint)

  543. 

  544.         self.reloadAll()

  545. 

  546.         self.fFirstInit = False

  547. 

  548.         # -------------------------------------------------------------

  549.         # Set-up connections

  550. 

  551.         self.finished.connect(self.slot_finished)

  552. 

  553.         self.ui.ch_fixed_buffer.clicked.connect(self.slot_optionChanged)

  554.         self.ui.ch_force_stereo.clicked.connect(self.slot_optionChanged)

  555.         self.ui.ch_map_program_changes.clicked.connect(self.slot_optionChanged)

  556.         self.ui.ch_use_chunks.clicked.connect(self.slot_optionChanged)

  557.         self.ui.ch_send_program_changes.clicked.connect(self.slot_optionChanged)

  558.         self.ui.ch_send_control_changes.clicked.connect(self.slot_optionChanged)

  559.         self.ui.ch_send_channel_pressure.clicked.connect(self.slot_optionChanged)

  560.         self.ui.ch_send_note_aftertouch.clicked.connect(self.slot_optionChanged)

  561.         self.ui.ch_send_pitchbend.clicked.connect(self.slot_optionChanged)

  562.         self.ui.ch_send_all_sound_off.clicked.connect(self.slot_optionChanged)

  563. 

  564.         self.ui.dial_drywet.realValueChanged.connect(self.slot_dryWetChanged)

  565.         self.ui.dial_vol.realValueChanged.connect(self.slot_volumeChanged)

  566.         self.ui.dial_b_left.realValueChanged.connect(self.slot_balanceLeftChanged)

  567.         self.ui.dial_b_right.realValueChanged.connect(self.slot_balanceRightChanged)

  568.         self.ui.dial_pan.realValueChanged.connect(self.slot_panChanged)

  569.         self.ui.sb_ctrl_channel.valueChanged.connect(self.slot_ctrlChannelChanged)

  570. 

  571.         self.ui.dial_drywet.customContextMenuRequested.connect(self.slot_knobCustomMenu)

  572.         self.ui.dial_vol.customContextMenuRequested.connect(self.slot_knobCustomMenu)

  573.         self.ui.dial_b_left.customContextMenuRequested.connect(self.slot_knobCustomMenu)

  574.         self.ui.dial_b_right.customContextMenuRequested.connect(self.slot_knobCustomMenu)

  575.         self.ui.dial_pan.customContextMenuRequested.connect(self.slot_knobCustomMenu)

  576.         self.ui.sb_ctrl_channel.customContextMenuRequested.connect(self.slot_channelCustomMenu)

  577. 

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

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

  580. 

  581.         self.ui.cb_programs.currentIndexChanged.connect(self.slot_programIndexChanged)

  582.         self.ui.cb_midi_programs.currentIndexChanged.connect(self.slot_midiProgramIndexChanged)

  583. 

  584.         self.ui.b_save_state.clicked.connect(self.slot_stateSave)

  585.         self.ui.b_load_state.clicked.connect(self.slot_stateLoad)

  586. 

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

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

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

  590.         host.ReloadInfoCallback.connect(self.slot_handleReloadInfoCallback)

  591.         host.ReloadParametersCallback.connect(self.slot_handleReloadParametersCallback)

  592.         host.ReloadProgramsCallback.connect(self.slot_handleReloadProgramsCallback)

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

  594. 

  595.     #------------------------------------------------------------------

  596. 

  597.     @pyqtSlot(int, int, int, int)

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

  599.         if self.fPluginId != pluginId: return

  600. 

  601.         if self.fControlChannel == channel:

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

  603. 

  604.         playItem = (channel, note)

  605. 

  606.         if playItem not in self.fPlayingNotes:

  607.             self.fPlayingNotes.append(playItem)

  608. 

  609.         if len(self.fPlayingNotes) == 1 and self.fParent is not None:

  610.             self.fParent.editDialogMidiActivityChanged(self.fPluginId, True)

  611. 

  612.     @pyqtSlot(int, int, int)

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

  614.         if self.fPluginId != pluginId: return

  615. 

  616.         if self.fControlChannel == channel:

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

  618. 

  619.         playItem = (channel, note)

  620. 

  621.         if playItem in self.fPlayingNotes:

  622.             self.fPlayingNotes.remove(playItem)

  623. 

  624.         if len(self.fPlayingNotes) == 0 and self.fParent is not None:

  625.             self.fParent.editDialogMidiActivityChanged(self.fPluginId, False)

  626. 

  627.     @pyqtSlot(int)

  628.     def slot_handleUpdateCallback(self, pluginId):

  629.         if self.fPluginId == pluginId:

  630.             self.updateInfo()

  631. 

  632.     @pyqtSlot(int)

  633.     def slot_handleReloadInfoCallback(self, pluginId):

  634.         if self.fPluginId == pluginId:

  635.             self.reloadInfo()

  636. 

  637.     @pyqtSlot(int)

  638.     def slot_handleReloadParametersCallback(self, pluginId):

  639.         if self.fPluginId == pluginId:

  640.             self.reloadParameters()

  641. 

  642.     @pyqtSlot(int)

  643.     def slot_handleReloadProgramsCallback(self, pluginId):

  644.         if self.fPluginId == pluginId:

  645.             self.reloadPrograms()

  646. 

  647.     @pyqtSlot(int)

  648.     def slot_handleReloadAllCallback(self, pluginId):

  649.         if self.fPluginId == pluginId:

  650.             self.reloadAll()

  651. 

  652.     #------------------------------------------------------------------

  653. 

  654.     def updateInfo(self):

  655.         # Update current program text

  656.         if self.ui.cb_programs.count() > 0:

  657.             pIndex = self.ui.cb_programs.currentIndex()

  658.             if pIndex >= 0:

  659.                 pName  = self.host.get_program_name(self.fPluginId, pIndex)

  660.                 #pName  = pName[:40] + (pName[40:] and "...")

  661.                 self.ui.cb_programs.setItemText(pIndex, pName)

  662. 

  663.         # Update current midi program text

  664.         if self.ui.cb_midi_programs.count() > 0:

  665.             mpIndex = self.ui.cb_midi_programs.currentIndex()

  666.             if mpIndex >= 0:

  667.                 mpData  = self.host.get_midi_program_data(self.fPluginId, mpIndex)

  668.                 mpBank  = mpData['bank']

  669.                 mpProg  = mpData['program']

  670.                 mpName  = mpData['name']

  671.                 #mpName  = mpName[:40] + (mpName[40:] and "...")

  672.                 self.ui.cb_midi_programs.setItemText(mpIndex, "%03i:%03i - %s" % (mpBank+1, mpProg+1, mpName))

  673. 

  674.         # Update all parameter values

  675.         for paramType, paramId, paramWidget in self.fParameterList:

  676.             paramWidget.blockSignals(True)

  677.             paramWidget.setValue(self.host.get_current_parameter_value(self.fPluginId, paramId))

  678.             paramWidget.blockSignals(False)

  679. 

  680.         # and the internal ones too

  681.         self.ui.dial_drywet.blockSignals(True)

  682.         self.ui.dial_drywet.setValue(self.host.get_internal_parameter_value(self.fPluginId, PARAMETER_DRYWET))

  683.         self.ui.dial_drywet.blockSignals(False)

  684. 

  685.         self.ui.dial_vol.blockSignals(True)

  686.         self.ui.dial_vol.setValue(self.host.get_internal_parameter_value(self.fPluginId, PARAMETER_VOLUME))

  687.         self.ui.dial_vol.blockSignals(False)

  688. 

  689.         self.ui.dial_b_left.blockSignals(True)

  690.         self.ui.dial_b_left.setValue(self.host.get_internal_parameter_value(self.fPluginId, PARAMETER_BALANCE_LEFT))

  691.         self.ui.dial_b_left.blockSignals(False)

  692. 

  693.         self.ui.dial_b_right.blockSignals(True)

  694.         self.ui.dial_b_right.setValue(self.host.get_internal_parameter_value(self.fPluginId, PARAMETER_BALANCE_RIGHT))

  695.         self.ui.dial_b_right.blockSignals(False)

  696. 

  697.         self.ui.dial_pan.blockSignals(True)

  698.         self.ui.dial_pan.setValue(self.host.get_internal_parameter_value(self.fPluginId, PARAMETER_PANNING))

  699.         self.ui.dial_pan.blockSignals(False)

  700. 

  701.         self.fControlChannel = round(self.host.get_internal_parameter_value(self.fPluginId, PARAMETER_CTRL_CHANNEL))

  702.         self.ui.sb_ctrl_channel.blockSignals(True)

  703.         self.ui.sb_ctrl_channel.setValue(self.fControlChannel+1)

  704.         self.ui.sb_ctrl_channel.blockSignals(False)

  705.         self.ui.keyboard.allNotesOff()

  706.         self._updateCtrlPrograms()

  707. 

  708.         self.fParametersToUpdate = []

  709. 

  710.     #------------------------------------------------------------------

  711. 

  712.     def reloadAll(self):

  713.         self.fPluginInfo = self.host.get_plugin_info(self.fPluginId)

  714. 

  715.         self.reloadInfo()

  716.         self.reloadParameters()

  717.         self.reloadPrograms()

  718. 

  719.         if self.fPluginInfo['type'] == PLUGIN_LV2:

  720.             self.ui.b_save_state.setEnabled(False)

  721. 

  722.         if not self.ui.scrollArea.isEnabled():

  723.             self.resize(self.width(), self.height()-self.ui.scrollArea.height())

  724. 

  725.     #------------------------------------------------------------------

  726. 

  727.     def reloadInfo(self):

  728.         realPluginName = self.host.get_real_plugin_name(self.fPluginId)

  729.         #audioCountInfo = self.host.get_audio_port_count_info(self.fPluginId)

  730.         midiCountInfo  = self.host.get_midi_port_count_info(self.fPluginId)

  731.         #paramCountInfo = self.host.get_parameter_count_info(self.fPluginId)

  732. 

  733.         pluginHints = self.fPluginInfo['hints']

  734. 

  735.         self.ui.le_type.setText(getPluginTypeAsString(self.fPluginInfo['type']))

  736. 

  737.         self.ui.label_name.setEnabled(bool(realPluginName))

  738.         self.ui.le_name.setEnabled(bool(realPluginName))

  739.         self.ui.le_name.setText(realPluginName)

  740.         self.ui.le_name.setToolTip(realPluginName)

  741. 

  742.         self.ui.label_label.setEnabled(bool(self.fPluginInfo['label']))

  743.         self.ui.le_label.setEnabled(bool(self.fPluginInfo['label']))

  744.         self.ui.le_label.setText(self.fPluginInfo['label'])

  745.         self.ui.le_label.setToolTip(self.fPluginInfo['label'])

  746. 

  747.         self.ui.label_maker.setEnabled(bool(self.fPluginInfo['maker']))

  748.         self.ui.le_maker.setEnabled(bool(self.fPluginInfo['maker']))

  749.         self.ui.le_maker.setText(self.fPluginInfo['maker'])

  750.         self.ui.le_maker.setToolTip(self.fPluginInfo['maker'])

  751. 

  752.         self.ui.label_copyright.setEnabled(bool(self.fPluginInfo['copyright']))

  753.         self.ui.le_copyright.setEnabled(bool(self.fPluginInfo['copyright']))

  754.         self.ui.le_copyright.setText(self.fPluginInfo['copyright'])

  755.         self.ui.le_copyright.setToolTip(self.fPluginInfo['copyright'])

  756. 

  757.         self.ui.label_unique_id.setEnabled(bool(self.fPluginInfo['uniqueId']))

  758.         self.ui.le_unique_id.setEnabled(bool(self.fPluginInfo['uniqueId']))

  759.         self.ui.le_unique_id.setText(str(self.fPluginInfo['uniqueId']))

  760.         self.ui.le_unique_id.setToolTip(str(self.fPluginInfo['uniqueId']))

  761. 

  762.         self.ui.label_plugin.setText("\n%s\n" % (self.fPluginInfo['name'] or "(none)"))

  763.         self.setWindowTitle(self.fPluginInfo['name'] or "(none)")

  764. 

  765.         self.ui.dial_drywet.setEnabled(pluginHints & PLUGIN_CAN_DRYWET)

  766.         self.ui.dial_vol.setEnabled(pluginHints & PLUGIN_CAN_VOLUME)

  767.         self.ui.dial_b_left.setEnabled(pluginHints & PLUGIN_CAN_BALANCE)

  768.         self.ui.dial_b_right.setEnabled(pluginHints & PLUGIN_CAN_BALANCE)

  769.         self.ui.dial_pan.setEnabled(pluginHints & PLUGIN_CAN_PANNING)

  770. 

  771.         self.ui.ch_use_chunks.setEnabled(self.fPluginInfo['optionsAvailable'] & PLUGIN_OPTION_USE_CHUNKS)

  772.         self.ui.ch_use_chunks.setChecked(self.fPluginInfo['optionsEnabled'] & PLUGIN_OPTION_USE_CHUNKS)

  773.         self.ui.ch_fixed_buffer.setEnabled(self.fPluginInfo['optionsAvailable'] & PLUGIN_OPTION_FIXED_BUFFERS)

  774.         self.ui.ch_fixed_buffer.setChecked(self.fPluginInfo['optionsEnabled'] & PLUGIN_OPTION_FIXED_BUFFERS)

  775.         self.ui.ch_force_stereo.setEnabled(self.fPluginInfo['optionsAvailable'] & PLUGIN_OPTION_FORCE_STEREO)

  776.         self.ui.ch_force_stereo.setChecked(self.fPluginInfo['optionsEnabled'] & PLUGIN_OPTION_FORCE_STEREO)

  777.         self.ui.ch_map_program_changes.setEnabled(self.fPluginInfo['optionsAvailable'] & PLUGIN_OPTION_MAP_PROGRAM_CHANGES)

  778.         self.ui.ch_map_program_changes.setChecked(self.fPluginInfo['optionsEnabled'] & PLUGIN_OPTION_MAP_PROGRAM_CHANGES)

  779.         self.ui.ch_send_control_changes.setEnabled(self.fPluginInfo['optionsAvailable'] & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  780.         self.ui.ch_send_control_changes.setChecked(self.fPluginInfo['optionsEnabled'] & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  781.         self.ui.ch_send_channel_pressure.setEnabled(self.fPluginInfo['optionsAvailable'] & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  782.         self.ui.ch_send_channel_pressure.setChecked(self.fPluginInfo['optionsEnabled'] & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  783.         self.ui.ch_send_note_aftertouch.setEnabled(self.fPluginInfo['optionsAvailable'] & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  784.         self.ui.ch_send_note_aftertouch.setChecked(self.fPluginInfo['optionsEnabled'] & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  785.         self.ui.ch_send_pitchbend.setEnabled(self.fPluginInfo['optionsAvailable'] & PLUGIN_OPTION_SEND_PITCHBEND)

  786.         self.ui.ch_send_pitchbend.setChecked(self.fPluginInfo['optionsEnabled'] & PLUGIN_OPTION_SEND_PITCHBEND)

  787.         self.ui.ch_send_all_sound_off.setEnabled(self.fPluginInfo['optionsAvailable'] & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  788.         self.ui.ch_send_all_sound_off.setChecked(self.fPluginInfo['optionsEnabled'] & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  789. 

  790.         canSendPrograms = bool((self.fPluginInfo['optionsAvailable'] & PLUGIN_OPTION_SEND_PROGRAM_CHANGES) != 0 and

  791.                                (self.fPluginInfo['optionsEnabled'] & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) == 0)

  792.         self.ui.ch_send_program_changes.setEnabled(canSendPrograms)

  793.         self.ui.ch_send_program_changes.setChecked(self.fPluginInfo['optionsEnabled'] & PLUGIN_OPTION_SEND_PROGRAM_CHANGES)

  794. 

  795.         self.ui.sw_programs.setCurrentIndex(0 if self.fPluginInfo['type'] in (PLUGIN_VST2, PLUGIN_SFZ) else 1)

  796. 

  797.         # Show/hide keyboard

  798.         showKeyboard = (self.fPluginInfo['category'] == PLUGIN_CATEGORY_SYNTH or midiCountInfo['ins'] > 0)

  799.         self.ui.scrollArea.setEnabled(showKeyboard)

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

  801. 

  802.         # Force-update parent for new hints

  803.         if self.fParent is not None and not self.fFirstInit:

  804.             self.fParent.editDialogPluginHintsChanged(self.fPluginId, pluginHints)

  805. 

  806.     def reloadParameters(self):

  807.         # Reset

  808.         self.fParameterList      = []

  809.         self.fParametersToUpdate = []

  810.         self.fTabIconTimers      = []

  811. 

  812.         # Remove all previous parameters

  813.         for x in range(self.ui.tabWidget.count()-1):

  814.             self.ui.tabWidget.widget(1).deleteLater()

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

  816. 

  817.         parameterCount = self.host.get_parameter_count(self.fPluginId)

  818. 

  819.         # -----------------------------------------------------------------

  820. 

  821.         if parameterCount <= 0:

  822.             return

  823. 

  824.         # -----------------------------------------------------------------

  825. 

  826.         paramInputList   = []

  827.         paramOutputList  = []

  828.         paramInputWidth  = 0

  829.         paramOutputWidth = 0

  830. 

  831.         paramInputListFull  = [] # ([params], width)

  832.         paramOutputListFull = [] # ([params], width)

  833. 

  834.         for i in range(min(parameterCount, self.host.maxParameters)):

  835.             paramInfo   = self.host.get_parameter_info(self.fPluginId, i)

  836.             paramData   = self.host.get_parameter_data(self.fPluginId, i)

  837.             paramRanges = self.host.get_parameter_ranges(self.fPluginId, i)

  838.             paramValue  = self.host.get_current_parameter_value(self.fPluginId, i)

  839. 

  840.             if paramData['type'] not in (PARAMETER_INPUT, PARAMETER_OUTPUT):

  841.                 continue

  842.             if (paramData['hints'] & PARAMETER_IS_ENABLED) == 0:

  843.                 continue

  844. 

  845.             parameter = {

  846.                 'type':  paramData['type'],

  847.                 'hints': paramData['hints'],

  848.                 'name':  paramInfo['name'],

  849.                 'unit':  paramInfo['unit'],

  850.                 'scalePoints': [],

  851. 

  852.                 'index':   paramData['index'],

  853.                 'default': paramRanges['def'],

  854.                 'minimum': paramRanges['min'],

  855.                 'maximum': paramRanges['max'],

  856.                 'step':    paramRanges['step'],

  857.                 'stepSmall': paramRanges['stepSmall'],

  858.                 'stepLarge': paramRanges['stepLarge'],

  859.                 'midiCC':    paramData['midiCC'],

  860.                 'midiChannel': paramData['midiChannel']+1,

  861. 

  862.                 'comment':   paramInfo['comment'],

  863.                 'groupName': paramInfo['groupName'],

  864. 

  865.                 'current': paramValue

  866.             }

  867. 

  868.             for j in range(paramInfo['scalePointCount']):

  869.                 scalePointInfo = self.host.get_parameter_scalepoint_info(self.fPluginId, i, j)

  870. 

  871.                 parameter['scalePoints'].append({

  872.                     'value': scalePointInfo['value'],

  873.                     'label': scalePointInfo['label']

  874.                 })

  875. 

  876.             #parameter['name'] = parameter['name'][:30] + (parameter['name'][30:] and "...")

  877. 

  878.             # -----------------------------------------------------------------

  879.             # Get width values, in packs of 20

  880. 

  881.             if parameter['type'] == PARAMETER_INPUT:

  882.                 paramInputWidthTMP = self.fontMetrics().width(parameter['name'])

  883. 

  884.                 if paramInputWidthTMP > paramInputWidth:

  885.                     paramInputWidth = paramInputWidthTMP

  886. 

  887.                 paramInputList.append(parameter)

  888. 

  889.             else:

  890.                 paramOutputWidthTMP = self.fontMetrics().width(parameter['name'])

  891. 

  892.                 if paramOutputWidthTMP > paramOutputWidth:

  893.                     paramOutputWidth = paramOutputWidthTMP

  894. 

  895.                 paramOutputList.append(parameter)

  896. 

  897.         paramInputListFull.append((paramInputList, paramInputWidth))

  898.         paramOutputListFull.append((paramOutputList, paramOutputWidth))

  899. 

  900.         # Create parameter tabs + widgets

  901.         self._createParameterWidgets(PARAMETER_INPUT,  paramInputListFull,  self.tr("Parameters"))

  902.         self._createParameterWidgets(PARAMETER_OUTPUT, paramOutputListFull, self.tr("Outputs"))

  903. 

  904.     def reloadPrograms(self):

  905.         # Programs

  906.         self.ui.cb_programs.blockSignals(True)

  907.         self.ui.cb_programs.clear()

  908. 

  909.         programCount = self.host.get_program_count(self.fPluginId)

  910. 

  911.         if programCount > 0:

  912.             self.ui.cb_programs.setEnabled(True)

  913.             self.ui.label_programs.setEnabled(True)

  914. 

  915.             for i in range(programCount):

  916.                 pName = self.host.get_program_name(self.fPluginId, i)

  917.                 #pName = pName[:40] + (pName[40:] and "...")

  918.                 self.ui.cb_programs.addItem(pName)

  919. 

  920.             self.ui.cb_programs.setCurrentIndex(self.host.get_current_program_index(self.fPluginId))

  921. 

  922.         else:

  923.             self.ui.cb_programs.setEnabled(False)

  924.             self.ui.label_programs.setEnabled(False)

  925. 

  926.         self.ui.cb_programs.blockSignals(False)

  927. 

  928.         # MIDI Programs

  929.         self.ui.cb_midi_programs.blockSignals(True)

  930.         self.ui.cb_midi_programs.clear()

  931. 

  932.         midiProgramCount = self.host.get_midi_program_count(self.fPluginId)

  933. 

  934.         if midiProgramCount > 0:

  935.             self.ui.cb_midi_programs.setEnabled(True)

  936.             self.ui.label_midi_programs.setEnabled(True)

  937. 

  938.             for i in range(midiProgramCount):

  939.                 mpData = self.host.get_midi_program_data(self.fPluginId, i)

  940.                 mpBank = mpData['bank']

  941.                 mpProg = mpData['program']

  942.                 mpName = mpData['name']

  943.                 #mpName = mpName[:40] + (mpName[40:] and "...")

  944. 

  945.                 self.ui.cb_midi_programs.addItem("%03i:%03i - %s" % (mpBank+1, mpProg+1, mpName))

  946. 

  947.             self.ui.cb_midi_programs.setCurrentIndex(self.host.get_current_midi_program_index(self.fPluginId))

  948. 

  949.         else:

  950.             self.ui.cb_midi_programs.setEnabled(False)

  951.             self.ui.label_midi_programs.setEnabled(False)

  952. 

  953.         self.ui.cb_midi_programs.blockSignals(False)

  954. 

  955.         self.ui.sw_programs.setEnabled(programCount > 0 or midiProgramCount > 0)

  956. 

  957.         if self.fPluginInfo['type'] == PLUGIN_LV2:

  958.             self.ui.b_load_state.setEnabled(programCount > 0)

  959. 

  960.     #------------------------------------------------------------------

  961. 

  962.     def clearNotes(self):

  963.          self.fPlayingNotes = []

  964.          self.ui.keyboard.allNotesOff()

  965. 

  966.     def noteOn(self, channel, note, velocity):

  967.         if self.fControlChannel == channel:

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

  969. 

  970.     def noteOff(self, channel, note):

  971.         if self.fControlChannel == channel:

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

  973. 

  974.     #------------------------------------------------------------------

  975. 

  976.     def getHints(self):

  977.         return self.fPluginInfo['hints']

  978. 

  979.     def setPluginId(self, idx):

  980.         self.fPluginId = idx

  981. 

  982.     def setName(self, name):

  983.         self.fPluginInfo['name'] = name

  984.         self.ui.label_plugin.setText("\n%s\n" % name)

  985.         self.setWindowTitle(name)

  986. 

  987.     #------------------------------------------------------------------

  988. 

  989.     def setParameterValue(self, parameterId, value):

  990.         for paramItem in self.fParametersToUpdate:

  991.             if paramItem[0] == parameterId:

  992.                 paramItem[1] = value

  993.                 break

  994.         else:

  995.             self.fParametersToUpdate.append([parameterId, value])

  996. 

  997.     def setParameterDefault(self, parameterId, value):

  998.         for paramType, paramId, paramWidget in self.fParameterList:

  999.             if paramId == parameterId:

  1000.                 paramWidget.setDefault(value)

  1001.                 break

  1002. 

  1003.     def setParameterMidiControl(self, parameterId, control):

  1004.         for paramType, paramId, paramWidget in self.fParameterList:

  1005.             if paramId == parameterId:

  1006.                 paramWidget.setMidiControl(control)

  1007.                 break

  1008. 

  1009.     def setParameterMidiChannel(self, parameterId, channel):

  1010.         for paramType, paramId, paramWidget in self.fParameterList:

  1011.             if paramId == parameterId:

  1012.                 paramWidget.setMidiChannel(channel+1)

  1013.                 break

  1014. 

  1015.     def setProgram(self, index):

  1016.         self.ui.cb_programs.blockSignals(True)

  1017.         self.ui.cb_programs.setCurrentIndex(index)

  1018.         self.ui.cb_programs.blockSignals(False)

  1019.         self._updateParameterValues()

  1020. 

  1021.     def setMidiProgram(self, index):

  1022.         self.ui.cb_midi_programs.blockSignals(True)

  1023.         self.ui.cb_midi_programs.setCurrentIndex(index)

  1024.         self.ui.cb_midi_programs.blockSignals(False)

  1025.         self._updateParameterValues()

  1026. 

  1027.     def setOption(self, option, yesNo):

  1028.         if option == PLUGIN_OPTION_USE_CHUNKS:

  1029.             widget = self.ui.ch_use_chunks

  1030.         elif option == PLUGIN_OPTION_FIXED_BUFFERS:

  1031.             widget = self.ui.ch_fixed_buffer

  1032.         elif option == PLUGIN_OPTION_FORCE_STEREO:

  1033.             widget = self.ui.ch_force_stereo

  1034.         elif option == PLUGIN_OPTION_MAP_PROGRAM_CHANGES:

  1035.             widget = self.ui.ch_map_program_changes

  1036.         elif option == PLUGIN_OPTION_SEND_PROGRAM_CHANGES:

  1037.             widget = self.ui.ch_send_program_changes

  1038.         elif option == PLUGIN_OPTION_SEND_CONTROL_CHANGES:

  1039.             widget = self.ui.ch_send_control_changes

  1040.         elif option == PLUGIN_OPTION_SEND_CHANNEL_PRESSURE:

  1041.             widget = self.ui.ch_send_channel_pressure

  1042.         elif option == PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH:

  1043.             widget = self.ui.ch_send_note_aftertouch

  1044.         elif option == PLUGIN_OPTION_SEND_PITCHBEND:

  1045.             widget = self.ui.ch_send_pitchbend

  1046.         elif option == PLUGIN_OPTION_SEND_ALL_SOUND_OFF:

  1047.             widget = self.ui.ch_send_all_sound_off

  1048.         else:

  1049.             return

  1050. 

  1051.         widget.blockSignals(True)

  1052.         widget.setChecked(yesNo)

  1053.         widget.blockSignals(False)

  1054. 

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

  1056. 

  1057.     def setVisible(self, yesNo):

  1058.         if yesNo:

  1059.             if not self.fGeometry.isNull():

  1060.                 self.restoreGeometry(self.fGeometry)

  1061.         else:

  1062.             self.fGeometry = self.saveGeometry()

  1063. 

  1064.         QDialog.setVisible(self, yesNo)

  1065. 

  1066.     #------------------------------------------------------------------

  1067. 

  1068.     def idleSlow(self):

  1069.         # Check Tab icons

  1070.         for i in range(len(self.fTabIconTimers)):

  1071.             if self.fTabIconTimers[i] == ICON_STATE_ON:

  1072.                 self.fTabIconTimers[i] = ICON_STATE_WAIT

  1073.             elif self.fTabIconTimers[i] == ICON_STATE_WAIT:

  1074.                 self.fTabIconTimers[i] = ICON_STATE_OFF

  1075.             elif self.fTabIconTimers[i] == ICON_STATE_OFF:

  1076.                 self.fTabIconTimers[i] = ICON_STATE_NULL

  1077.                 self.ui.tabWidget.setTabIcon(i+1, self.fTabIconOff)

  1078. 

  1079.         # Check parameters needing update

  1080.         for index, value in self.fParametersToUpdate:

  1081.             if index == PARAMETER_DRYWET:

  1082.                 self.ui.dial_drywet.blockSignals(True)

  1083.                 self.ui.dial_drywet.setValue(value)

  1084.                 self.ui.dial_drywet.blockSignals(False)

  1085. 

  1086.             elif index == PARAMETER_VOLUME:

  1087.                 self.ui.dial_vol.blockSignals(True)

  1088.                 self.ui.dial_vol.setValue(value)

  1089.                 self.ui.dial_vol.blockSignals(False)

  1090. 

  1091.             elif index == PARAMETER_BALANCE_LEFT:

  1092.                 self.ui.dial_b_left.blockSignals(True)

  1093.                 self.ui.dial_b_left.setValue(value)

  1094.                 self.ui.dial_b_left.blockSignals(False)

  1095. 

  1096.             elif index == PARAMETER_BALANCE_RIGHT:

  1097.                 self.ui.dial_b_right.blockSignals(True)

  1098.                 self.ui.dial_b_right.setValue(value)

  1099.                 self.ui.dial_b_right.blockSignals(False)

  1100. 

  1101.             elif index == PARAMETER_PANNING:

  1102.                 self.ui.dial_pan.blockSignals(True)

  1103.                 self.ui.dial_pan.setValue(value)

  1104.                 self.ui.dial_pan.blockSignals(False)

  1105. 

  1106.             elif index == PARAMETER_CTRL_CHANNEL:

  1107.                 self.fControlChannel = round(value)

  1108.                 self.ui.sb_ctrl_channel.blockSignals(True)

  1109.                 self.ui.sb_ctrl_channel.setValue(self.fControlChannel+1)

  1110.                 self.ui.sb_ctrl_channel.blockSignals(False)

  1111.                 self.ui.keyboard.allNotesOff()

  1112.                 self._updateCtrlPrograms()

  1113. 

  1114.             elif index >= 0:

  1115.                 for paramType, paramId, paramWidget in self.fParameterList:

  1116.                     if paramId != index:

  1117.                         continue

  1118.                     # FIXME see below

  1119.                     if paramType != PARAMETER_INPUT:

  1120.                         continue

  1121. 

  1122.                     paramWidget.blockSignals(True)

  1123.                     paramWidget.setValue(value)

  1124.                     paramWidget.blockSignals(False)

  1125. 

  1126.                     #if paramType == PARAMETER_INPUT:

  1127.                     tabIndex = paramWidget.getTabIndex()

  1128. 

  1129.                     if self.fTabIconTimers[tabIndex-1] == ICON_STATE_NULL:

  1130.                         self.ui.tabWidget.setTabIcon(tabIndex, self.fTabIconOn)

  1131. 

  1132.                     self.fTabIconTimers[tabIndex-1] = ICON_STATE_ON

  1133.                     break

  1134. 

  1135.         # Clear all parameters

  1136.         self.fParametersToUpdate = []

  1137. 

  1138.         # Update parameter outputs | FIXME needed?

  1139.         for paramType, paramId, paramWidget in self.fParameterList:

  1140.             if paramType != PARAMETER_OUTPUT:

  1141.                 continue

  1142. 

  1143.             paramWidget.blockSignals(True)

  1144.             paramWidget.setValue(self.host.get_current_parameter_value(self.fPluginId, paramId))

  1145.             paramWidget.blockSignals(False)

  1146. 

  1147.     #------------------------------------------------------------------

  1148. 

  1149.     @pyqtSlot()

  1150.     def slot_stateSave(self):

  1151.         if self.fPluginInfo['type'] == PLUGIN_LV2:

  1152.             # TODO

  1153.             return

  1154. 

  1155.         if self.fCurrentStateFilename:

  1156.             askTry = QMessageBox.question(self, self.tr("Overwrite?"), self.tr("Overwrite previously created file?"), QMessageBox.Ok|QMessageBox.Cancel)

  1157. 

  1158.             if askTry == QMessageBox.Ok:

  1159.                 self.host.save_plugin_state(self.fPluginId, self.fCurrentStateFilename)

  1160.                 return

  1161. 

  1162.             self.fCurrentStateFilename = None

  1163. 

  1164.         fileFilter = self.tr("Carla State File (*.carxs)")

  1165.         filename, ok = QFileDialog.getSaveFileName(self, self.tr("Save Plugin State File"), filter=fileFilter)

  1166. 

  1167.         # FIXME use ok value, test if it works as expected

  1168.         if not filename:

  1169.             return

  1170. 

  1171.         if not filename.lower().endswith(".carxs"):

  1172.             filename += ".carxs"

  1173. 

  1174.         self.fCurrentStateFilename = filename

  1175.         self.host.save_plugin_state(self.fPluginId, self.fCurrentStateFilename)

  1176. 

  1177.     @pyqtSlot()

  1178.     def slot_stateLoad(self):

  1179.         if self.fPluginInfo['type'] == PLUGIN_LV2:

  1180.             presetList = []

  1181. 

  1182.             for i in range(self.host.get_program_count(self.fPluginId)):

  1183.                 presetList.append("%03i - %s" % (i+1, self.host.get_program_name(self.fPluginId, i)))

  1184. 

  1185.             ret = QInputDialog.getItem(self, self.tr("Open LV2 Preset"), self.tr("Select an LV2 Preset:"), presetList, 0, False)

  1186. 

  1187.             if ret[1]:

  1188.                 index = int(ret[0].split(" - ", 1)[0])-1

  1189.                 self.host.set_program(self.fPluginId, index)

  1190.                 self.setMidiProgram(-1)

  1191. 

  1192.             return

  1193. 

  1194.         fileFilter = self.tr("Carla State File (*.carxs)")

  1195.         filename, ok = QFileDialog.getOpenFileName(self, self.tr("Open Plugin State File"), filter=fileFilter)

  1196. 

  1197.         # FIXME use ok value, test if it works as expected

  1198.         if not filename:

  1199.             return

  1200. 

  1201.         self.fCurrentStateFilename = filename

  1202.         self.host.load_plugin_state(self.fPluginId, self.fCurrentStateFilename)

  1203. 

  1204.     #------------------------------------------------------------------

  1205. 

  1206.     @pyqtSlot(bool)

  1207.     def slot_optionChanged(self, clicked):

  1208.         sender = self.sender()

  1209. 

  1210.         if sender == self.ui.ch_use_chunks:

  1211.             option = PLUGIN_OPTION_USE_CHUNKS

  1212.         elif sender == self.ui.ch_fixed_buffer:

  1213.             option = PLUGIN_OPTION_FIXED_BUFFERS

  1214.         elif sender == self.ui.ch_force_stereo:

  1215.             option = PLUGIN_OPTION_FORCE_STEREO

  1216.         elif sender == self.ui.ch_map_program_changes:

  1217.             option = PLUGIN_OPTION_MAP_PROGRAM_CHANGES

  1218.         elif sender == self.ui.ch_send_program_changes:

  1219.             option = PLUGIN_OPTION_SEND_PROGRAM_CHANGES

  1220.         elif sender == self.ui.ch_send_control_changes:

  1221.             option = PLUGIN_OPTION_SEND_CONTROL_CHANGES

  1222.         elif sender == self.ui.ch_send_channel_pressure:

  1223.             option = PLUGIN_OPTION_SEND_CHANNEL_PRESSURE

  1224.         elif sender == self.ui.ch_send_note_aftertouch:

  1225.             option = PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH

  1226.         elif sender == self.ui.ch_send_pitchbend:

  1227.             option = PLUGIN_OPTION_SEND_PITCHBEND

  1228.         elif sender == self.ui.ch_send_all_sound_off:

  1229.             option = PLUGIN_OPTION_SEND_ALL_SOUND_OFF

  1230.         else:

  1231.             return

  1232. 

  1233.         #--------------------------------------------------------------

  1234.         # handle map-program-changes and send-program-changes conflict

  1235. 

  1236.         if option == PLUGIN_OPTION_MAP_PROGRAM_CHANGES and clicked:

  1237.             self.ui.ch_send_program_changes.setEnabled(False)

  1238. 

  1239.             # disable send-program-changes if needed

  1240.             if self.ui.ch_send_program_changes.isChecked():

  1241.                 self.host.set_option(self.fPluginId, PLUGIN_OPTION_SEND_PROGRAM_CHANGES, False)

  1242. 

  1243.         #--------------------------------------------------------------

  1244.         # set option

  1245. 

  1246.         self.host.set_option(self.fPluginId, option, clicked)

  1247. 

  1248.         #--------------------------------------------------------------

  1249.         # handle map-program-changes and send-program-changes conflict

  1250. 

  1251.         if option == PLUGIN_OPTION_MAP_PROGRAM_CHANGES and not clicked:

  1252.             self.ui.ch_send_program_changes.setEnabled(self.fPluginInfo['optionsAvailable'] & PLUGIN_OPTION_SEND_PROGRAM_CHANGES)

  1253. 

  1254.             # restore send-program-changes if needed

  1255.             if self.ui.ch_send_program_changes.isChecked():

  1256.                 self.host.set_option(self.fPluginId, PLUGIN_OPTION_SEND_PROGRAM_CHANGES, True)

  1257. 

  1258.     #------------------------------------------------------------------

  1259. 

  1260.     @pyqtSlot(float)

  1261.     def slot_dryWetChanged(self, value):

  1262.         self.host.set_drywet(self.fPluginId, value)

  1263. 

  1264.         if self.fParent is not None:

  1265.             self.fParent.editDialogParameterValueChanged(self.fPluginId, PARAMETER_DRYWET, value)

  1266. 

  1267.     @pyqtSlot(float)

  1268.     def slot_volumeChanged(self, value):

  1269.         self.host.set_volume(self.fPluginId, value)

  1270. 

  1271.         if self.fParent is not None:

  1272.             self.fParent.editDialogParameterValueChanged(self.fPluginId, PARAMETER_VOLUME, value)

  1273. 

  1274.     @pyqtSlot(float)

  1275.     def slot_balanceLeftChanged(self, value):

  1276.         self.host.set_balance_left(self.fPluginId, value)

  1277. 

  1278.         if self.fParent is not None:

  1279.             self.fParent.editDialogParameterValueChanged(self.fPluginId, PARAMETER_BALANCE_LEFT, value)

  1280. 

  1281.     @pyqtSlot(float)

  1282.     def slot_balanceRightChanged(self, value):

  1283.         self.host.set_balance_right(self.fPluginId, value)

  1284. 

  1285.         if self.fParent is not None:

  1286.             self.fParent.editDialogParameterValueChanged(self.fPluginId, PARAMETER_BALANCE_RIGHT, value)

  1287. 

  1288.     @pyqtSlot(float)

  1289.     def slot_panChanged(self, value):

  1290.         self.host.set_panning(self.fPluginId, value)

  1291. 

  1292.         if self.fParent is not None:

  1293.             self.fParent.editDialogParameterValueChanged(self.fPluginId, PARAMETER_PANNING, value)

  1294. 

  1295.     @pyqtSlot(int)

  1296.     def slot_ctrlChannelChanged(self, value):

  1297.         self.fControlChannel = value-1

  1298.         self.host.set_ctrl_channel(self.fPluginId, self.fControlChannel)

  1299. 

  1300.         self.ui.keyboard.allNotesOff()

  1301.         self._updateCtrlPrograms()

  1302. 

  1303.     #------------------------------------------------------------------

  1304. 

  1305.     @pyqtSlot(int, float)

  1306.     def slot_parameterValueChanged(self, parameterId, value):

  1307.         self.host.set_parameter_value(self.fPluginId, parameterId, value)

  1308. 

  1309.         if self.fParent is not None:

  1310.             self.fParent.editDialogParameterValueChanged(self.fPluginId, parameterId, value)

  1311. 

  1312.     @pyqtSlot(int, int)

  1313.     def slot_parameterMidiControlChanged(self, parameterId, control):

  1314.         self.host.set_parameter_midi_cc(self.fPluginId, parameterId, control)

  1315. 

  1316.     @pyqtSlot(int, int)

  1317.     def slot_parameterMidiChannelChanged(self, parameterId, channel):

  1318.         self.host.set_parameter_midi_channel(self.fPluginId, parameterId, channel-1)

  1319. 

  1320.     #------------------------------------------------------------------

  1321. 

  1322.     @pyqtSlot(int)

  1323.     def slot_programIndexChanged(self, index):

  1324.         self.host.set_program(self.fPluginId, index)

  1325. 

  1326.         if self.fParent is not None:

  1327.             self.fParent.editDialogProgramChanged(self.fPluginId, index)

  1328. 

  1329.         self._updateParameterValues()

  1330. 

  1331.     @pyqtSlot(int)

  1332.     def slot_midiProgramIndexChanged(self, index):

  1333.         self.host.set_midi_program(self.fPluginId, index)

  1334. 

  1335.         if self.fParent is not None:

  1336.             self.fParent.editDialogMidiProgramChanged(self.fPluginId, index)

  1337. 

  1338.         self._updateParameterValues()

  1339. 

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

  1341. 

  1342.     @pyqtSlot(int)

  1343.     def slot_noteOn(self, note):

  1344.         if self.fControlChannel >= 0:

  1345.             self.host.send_midi_note(self.fPluginId, self.fControlChannel, note, 100)

  1346. 

  1347.         if self.fParent is not None:

  1348.             self.fParent.editDialogNotePressed(self.fPluginId, note)

  1349. 

  1350.     @pyqtSlot(int)

  1351.     def slot_noteOff(self, note):

  1352.         if self.fControlChannel >= 0:

  1353.             self.host.send_midi_note(self.fPluginId, self.fControlChannel, note, 0)

  1354. 

  1355.         if self.fParent is not None:

  1356.             self.fParent.editDialogNoteReleased(self.fPluginId, note)

  1357. 

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

  1359. 

  1360.     @pyqtSlot()

  1361.     def slot_finished(self):

  1362.         if self.fParent is not None:

  1363.             self.fParent.editDialogVisibilityChanged(self.fPluginId, False)

  1364. 

  1365.     #------------------------------------------------------------------

  1366. 

  1367.     @pyqtSlot()

  1368.     def slot_knobCustomMenu(self):

  1369.         sender   = self.sender()

  1370.         knobName = sender.objectName()

  1371. 

  1372.         if knobName == "dial_drywet":

  1373.             minimum = 0.0

  1374.             maximum = 1.0

  1375.             default = 1.0

  1376.             label   = "Dry/Wet"

  1377.         elif knobName == "dial_vol":

  1378.             minimum = 0.0

  1379.             maximum = 1.27

  1380.             default = 1.0

  1381.             label   = "Volume"

  1382.         elif knobName == "dial_b_left":

  1383.             minimum = -1.0

  1384.             maximum = 1.0

  1385.             default = -1.0

  1386.             label   = "Balance-Left"

  1387.         elif knobName == "dial_b_right":

  1388.             minimum = -1.0

  1389.             maximum = 1.0

  1390.             default = 1.0

  1391.             label   = "Balance-Right"

  1392.         elif knobName == "dial_pan":

  1393.             minimum = -1.0

  1394.             maximum = 1.0

  1395.             default = 0.0

  1396.             label   = "Panning"

  1397.         else:

  1398.             minimum = 0.0

  1399.             maximum = 1.0

  1400.             default = 0.5

  1401.             label   = "Unknown"

  1402. 

  1403.         menu = QMenu(self)

  1404.         actReset = menu.addAction(self.tr("Reset (%i%%)" % (default*100)))

  1405.         menu.addSeparator()

  1406.         actMinimum = menu.addAction(self.tr("Set to Minimum (%i%%)" % (minimum*100)))

  1407.         actCenter  = menu.addAction(self.tr("Set to Center"))

  1408.         actMaximum = menu.addAction(self.tr("Set to Maximum (%i%%)" % (maximum*100)))

  1409.         menu.addSeparator()

  1410.         actSet = menu.addAction(self.tr("Set value..."))

  1411. 

  1412.         if label not in ("Balance-Left", "Balance-Right", "Panning"):

  1413.             menu.removeAction(actCenter)

  1414. 

  1415.         actSelected = menu.exec_(QCursor.pos())

  1416. 

  1417.         if actSelected == actSet:

  1418.             current   = minimum + (maximum-minimum)*(float(sender.value())/10000)

  1419.             value, ok = QInputDialog.getInt(self, self.tr("Set value"), label, round(current*100.0), round(minimum*100.0), round(maximum*100.0), 1)

  1420.             if ok: value = float(value)/100.0

  1421. 

  1422.             if not ok:

  1423.                 return

  1424. 

  1425.         elif actSelected == actMinimum:

  1426.             value = minimum

  1427.         elif actSelected == actMaximum:

  1428.             value = maximum

  1429.         elif actSelected == actReset:

  1430.             value = default

  1431.         elif actSelected == actCenter:

  1432.             value = 0.0

  1433.         else:

  1434.             return

  1435. 

  1436.         sender.setValue(value, True)

  1437. 

  1438.     #------------------------------------------------------------------

  1439. 

  1440.     @pyqtSlot()

  1441.     def slot_channelCustomMenu(self):

  1442.         menu = QMenu(self)

  1443. 

  1444.         actNone = menu.addAction(self.tr("None"))

  1445. 

  1446.         if self.fControlChannel+1 == 0:

  1447.             actNone.setCheckable(True)

  1448.             actNone.setChecked(True)

  1449. 

  1450.         for i in range(1, 16+1):

  1451.             action = menu.addAction("%i" % i)

  1452. 

  1453.             if self.fControlChannel+1 == i:

  1454.                 action.setCheckable(True)

  1455.                 action.setChecked(True)

  1456. 

  1457.         actSel = menu.exec_(QCursor.pos())

  1458. 

  1459.         if not actSel:

  1460.             pass

  1461.         elif actSel == actNone:

  1462.             self.ui.sb_ctrl_channel.setValue(0)

  1463.         elif actSel:

  1464.             selChannel = int(actSel.text())

  1465.             self.ui.sb_ctrl_channel.setValue(selChannel)

  1466. 

  1467.     #------------------------------------------------------------------

  1468. 

  1469.     def _createParameterWidgets(self, paramType, paramListFull, tabPageName):

  1470.         groupWidgets = {}

  1471. 

  1472.         for paramList, width in paramListFull:

  1473.             if len(paramList) == 0:

  1474.                 break

  1475. 

  1476.             tabIndex = self.ui.tabWidget.count()

  1477. 

  1478.             scrollArea = QScrollArea(self.ui.tabWidget)

  1479.             scrollArea.setWidgetResizable(True)

  1480.             scrollArea.setFrameStyle(0)

  1481. 

  1482.             palette1 = scrollArea.palette()

  1483.             palette1.setColor(QPalette.Background, Qt.transparent)

  1484.             scrollArea.setPalette(palette1)

  1485. 

  1486.             palette2 = scrollArea.palette()

  1487.             palette2.setColor(QPalette.Background, palette2.color(QPalette.Button))

  1488. 

  1489.             scrollAreaWidget = QWidget(scrollArea)

  1490.             scrollAreaLayout = QVBoxLayout(scrollAreaWidget)

  1491.             scrollAreaLayout.setSpacing(3)

  1492. 

  1493.             for paramInfo in paramList:

  1494.                 groupName = paramInfo['groupName']

  1495.                 if groupName:

  1496.                     groupSymbol, groupName = groupName.split(":",1)

  1497.                     groupLayout, groupWidget = groupWidgets.get(groupSymbol, (None, None))

  1498.                     if groupLayout is None:

  1499.                         groupWidget = CollapsibleBox(groupName, scrollAreaWidget)

  1500.                         groupLayout = groupWidget.getContentLayout()

  1501.                         groupWidget.setPalette(palette2)

  1502.                         scrollAreaLayout.addWidget(groupWidget)

  1503.                         groupWidgets[groupSymbol] = (groupLayout, groupWidget)

  1504.                 else:

  1505.                     groupLayout = scrollAreaLayout

  1506.                     groupWidget = scrollAreaWidget

  1507. 

  1508.                 paramWidget = PluginParameter(groupWidget, self.host, paramInfo, self.fPluginId, tabIndex)

  1509.                 paramWidget.setLabelWidth(width)

  1510.                 groupLayout.addWidget(paramWidget)

  1511. 

  1512.                 self.fParameterList.append((paramType, paramInfo['index'], paramWidget))

  1513. 

  1514.                 if paramType == PARAMETER_INPUT:

  1515.                     paramWidget.valueChanged.connect(self.slot_parameterValueChanged)

  1516. 

  1517.                 paramWidget.midiControlChanged.connect(self.slot_parameterMidiControlChanged)

  1518.                 paramWidget.midiChannelChanged.connect(self.slot_parameterMidiChannelChanged)

  1519. 

  1520.             scrollAreaLayout.addStretch()

  1521. 

  1522.             scrollArea.setWidget(scrollAreaWidget)

  1523. 

  1524.             self.ui.tabWidget.addTab(scrollArea, tabPageName)

  1525. 

  1526.             if paramType == PARAMETER_INPUT:

  1527.                 self.ui.tabWidget.setTabIcon(tabIndex, self.fTabIconOff)

  1528. 

  1529.             self.fTabIconTimers.append(ICON_STATE_NULL)

  1530. 

  1531.     def _updateCtrlPrograms(self):

  1532.         self.ui.keyboard.setEnabled(self.fControlChannel >= 0)

  1533. 

  1534.         if self.fPluginInfo['category'] != PLUGIN_CATEGORY_SYNTH or self.fPluginInfo['type'] not in (PLUGIN_INTERNAL, PLUGIN_SF2):

  1535.             return

  1536. 

  1537.         if self.fControlChannel < 0:

  1538.             self.ui.cb_programs.setEnabled(False)

  1539.             self.ui.cb_midi_programs.setEnabled(False)

  1540.             return

  1541. 

  1542.         self.ui.cb_programs.setEnabled(True)

  1543.         self.ui.cb_midi_programs.setEnabled(True)

  1544. 

  1545.         pIndex = self.host.get_current_program_index(self.fPluginId)

  1546. 

  1547.         if self.ui.cb_programs.currentIndex() != pIndex:

  1548.             self.setProgram(pIndex)

  1549. 

  1550.         mpIndex = self.host.get_current_midi_program_index(self.fPluginId)

  1551. 

  1552.         if self.ui.cb_midi_programs.currentIndex() != mpIndex:

  1553.             self.setMidiProgram(mpIndex)

  1554. 

  1555.     def _updateParameterValues(self):

  1556.         for paramType, paramId, paramWidget in self.fParameterList:

  1557.             paramWidget.blockSignals(True)

  1558.             paramWidget.setValue(self.host.get_current_parameter_value(self.fPluginId, paramId))

  1559.             paramWidget.blockSignals(False)

  1560. 

  1561.     #------------------------------------------------------------------

  1562. 

  1563.     def testTimer(self):

  1564.         self.fIdleTimerId = self.startTimer(50)

  1565. 

  1566.         self.SIGTERM.connect(self.testTimerClose)

  1567.         gCarla.gui = self

  1568.         setUpSignals()

  1569. 

  1570.     def testTimerClose(self):

  1571.         self.close()

  1572.         app.quit()

  1573. 

  1574.     #------------------------------------------------------------------

  1575. 

  1576.     def closeEvent(self, event):

  1577.         if self.fIdleTimerId != 0:

  1578.             self.killTimer(self.fIdleTimerId)

  1579.             self.fIdleTimerId = 0

  1580. 

  1581.             self.host.engine_close()

  1582. 

  1583.         QDialog.closeEvent(self, event)

  1584. 

  1585.     def timerEvent(self, event):

  1586.         if event.timerId() == self.fIdleTimerId:

  1587.             self.host.engine_idle()

  1588.             self.idleSlow()

  1589. 

  1590.         QDialog.timerEvent(self, event)

  1591. 

  1592.     def done(self, r):

  1593.         QDialog.done(self, r)

  1594.         self.close()

  1595. 

  1596. # ------------------------------------------------------------------------------------------------------------

  1597. # Main

  1598. 

  1599. if __name__ == '__main__':

  1600.     from carla_app import CarlaApplication

  1601.     from carla_host import initHost, loadHostSettings

  1602. 

  1603.     app  = CarlaApplication()

  1604.     host = initHost("Widgets", None, False, False, False)

  1605.     loadHostSettings(host)

  1606. 

  1607.     host.engine_init("JACK", "Carla-Widgets")

  1608.     host.add_plugin(BINARY_NATIVE, PLUGIN_DSSI, "/usr/lib/dssi/karplong.so", "karplong", "karplong", 0, None, 0x0)

  1609.     host.set_active(0, True)

  1610. 

  1611.     gui1 = CarlaAboutW(None, host)

  1612.     gui1.show()

  1613. 

  1614.     gui2 = PluginEdit(None, host, 0)

  1615.     gui2.testTimer()

  1616.     gui2.show()

  1617. 

  1618.     app.exit_exec()