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

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  1. #!/usr/bin/env python3

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

  3. 

  4. # Carla widgets code

  5. # Copyright (C) 2011-2013 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 PyQt4.QtCore import pyqtSignal, pyqtSlot, QByteArray, QSettings

  23. from PyQt4.QtGui import QColor, QCursor, QFontMetrics, QPainter, QPainterPath

  24. from PyQt4.QtGui import QDialog, QInputDialog, QLineEdit, QMenu, QVBoxLayout, QWidget

  25. 

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

  27. # Imports (Custom)

  28. 

  29. import ui_carla_about

  30. import ui_carla_edit

  31. import ui_carla_parameter

  32. 

  33. from carla_shared import *

  34. 

  35. # ------------------------------------------------------------------------------------------------------------

  36. # Carla GUI defines

  37. 

  38. ICON_STATE_NULL  = 0

  39. ICON_STATE_OFF   = 1

  40. ICON_STATE_WAIT  = 2

  41. ICON_STATE_ON    = 3

  42. 

  43. # ------------------------------------------------------------------------------------------------------------

  44. # Fake plugin info for easy testing

  45. 

  46. gFakePluginInfo = {

  47.     "type": PLUGIN_NONE,

  48.     "category": PLUGIN_CATEGORY_SYNTH,

  49.     "hints": PLUGIN_IS_SYNTH|PLUGIN_CAN_DRYWET|PLUGIN_CAN_VOLUME|PLUGIN_CAN_PANNING,

  50.     "optionsAvailable": 0x1FF, # all

  51.     "optionsEnabled": 0x1FF, # all

  52.     "filename": "AwesoomeFilename.what",

  53.     "name": "Awesoome Name",

  54.     "label": "awesoomeLabel",

  55.     "maker": "Awesoome Maker",

  56.     "copyright": "Awesoome Copyright",

  57.     "iconName": "plugin",

  58.     "uniqueId": 0

  59. }

  60. 

  61. gFakeParamInfo = {

  62.     "type": PARAMETER_INPUT,

  63.     "hints": PARAMETER_IS_ENABLED|PARAMETER_IS_AUTOMABLE,

  64.     "name":  "Parameter Name",

  65.     "unit":  "",

  66.     "scalePoints": [],

  67. 

  68.     "index":   0,

  69.     "default": 0.0,

  70.     "minimum": 0.0,

  71.     "maximum": 1.0,

  72.     "step":    0.01,

  73.     "stepSmall": 0.01,

  74.     "stepLarge": 0.01, # FIXME

  75.     "midiCC":   -1,

  76.     "midiChannel": 1,

  77. 

  78.     "current": 0.0

  79. }

  80. 

  81. gFakePortCountInfo = {

  82.     "ins": 0,

  83.     "outs": 0

  84. }

  85. 

  86. # ------------------------------------------------------------------------------------------------------------

  87. # Carla About dialog

  88. 

  89. class CarlaAboutW(QDialog):

  90.     def __init__(self, parent):

  91.         QDialog.__init__(self, parent)

  92.         self.ui = ui_carla_about.Ui_CarlaAboutW()

  93.         self.ui.setupUi(self)

  94. 

  95.         if Carla.isControl:

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

  97.         elif Carla.isPlugin:

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

  99.         else:

  100.             extraInfo = ""

  101. 

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

  103.                                      "<br>Version %s"

  104.                                      "<br>Carla is a Multi-Plugin Host for JACK%s.<br>"

  105.                                      "<br>Copyright (C) 2011-2013 falkTX<br>"

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

  107. 

  108.         if Carla.isControl or Carla.isPlugin or Carla.host is None:

  109.             self.ui.l_extended.hide()

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

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

  112.             self.adjustSize()

  113. 

  114.         else:

  115.             self.ui.l_extended.setText(Carla.host.get_complete_license_text())

  116. 

  117.             if Carla.host.is_engine_running():

  118.                 self.ui.le_osc_url_tcp.setText(Carla.host.get_host_osc_url_tcp())

  119.                 self.ui.le_osc_url_udp.setText(Carla.host.get_host_osc_url_udp())

  120.             else:

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

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

  123. 

  124.             self.ui.l_osc_cmds.setText(""

  125.                                        " /set_active                 <i-value>\n"

  126.                                        " /set_drywet                 <f-value>\n"

  127.                                        " /set_volume                 <f-value>\n"

  128.                                        " /set_balance_left           <f-value>\n"

  129.                                        " /set_balance_right          <f-value>\n"

  130.                                        " /set_panning                <f-value>\n"

  131.                                        " /set_parameter_value        <i-index> <f-value>\n"

  132.                                        " /set_parameter_midi_cc      <i-index> <i-cc>\n"

  133.                                        " /set_parameter_midi_channel <i-index> <i-channel>\n"

  134.                                        " /set_program                <i-index>\n"

  135.                                        " /set_midi_program           <i-index>\n"

  136.                                        " /note_on                    <i-note> <i-velo>\n"

  137.                                        " /note_off                   <i-note>\n"

  138.                                       )

  139. 

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

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

  142. 

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

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

  145.             self.ui.l_lv2.setText(self.tr("About 80&#37; complete (using custom extensions)<br/>"

  146.                                           "Implemented Feature/Extensions:"

  147.                                           "<ul>"

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  176.                                           "</ul>"))

  177.             self.ui.l_vst.setText(self.tr("<p>About 85&#37; complete (missing vst bank/presets and some minor stuff)</p>"))

  178. 

  179.     def done(self, r):

  180.         QDialog.done(self, r)

  181.         self.close()

  182. 

  183. # ------------------------------------------------------------------------------------------------------------

  184. # Plugin Parameter

  185. 

  186. class PluginParameter(QWidget):

  187.     midiControlChanged = pyqtSignal(int, int)

  188.     midiChannelChanged = pyqtSignal(int, int)

  189.     valueChanged       = pyqtSignal(int, float)

  190. 

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

  192.         QWidget.__init__(self, parent)

  193.         self.ui = ui_carla_parameter.Ui_PluginParameter()

  194.         self.ui.setupUi(self)

  195. 

  196.         # -------------------------------------------------------------

  197.         # Internal stuff

  198. 

  199.         self.fMidiControl = -1

  200.         self.fMidiChannel = 1

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

  202.         self.fPluginId    = pluginId

  203.         self.fTabIndex    = tabIndex

  204. 

  205.         # -------------------------------------------------------------

  206.         # Set-up GUI

  207. 

  208.         pType  = pInfo['type']

  209.         pHints = pInfo['hints']

  210. 

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

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

  213. 

  214.         if pType == PARAMETER_INPUT:

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

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

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

  218.             self.ui.widget.setValue(pInfo['current'], False)

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

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

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

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

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

  224. 

  225.             if not pHints & PARAMETER_IS_ENABLED:

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

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

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

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

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

  231. 

  232.             elif not pHints & PARAMETER_IS_AUTOMABLE:

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

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

  235. 

  236.             if pHints & PARAMETER_IS_READ_ONLY:

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

  238. 

  239.         elif pType == PARAMETER_OUTPUT:

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

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

  242.             self.ui.widget.setValue(pInfo['current'], False)

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

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

  245. 

  246.             if not pHints & PARAMETER_IS_AUTOMABLE:

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

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

  249. 

  250.         else:

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

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

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

  254. 

  255.         if pHints & PARAMETER_USES_CUSTOM_TEXT:

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

  257. 

  258.         self.ui.widget.updateAll()

  259. 

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

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

  262. 

  263.         # -------------------------------------------------------------

  264.         # Set-up connections

  265. 

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

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

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

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

  270.         self.ui.widget.valueChanged.connect(self.slot_widgetValueChanged)

  271. 

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

  273. 

  274.     def getPluginId(self):

  275.         return self.fPluginId

  276. 

  277.     def getTabIndex(self):

  278.         return self.fTabIndex

  279. 

  280.     def setDefault(self, value):

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

  282. 

  283.     def setValue(self, value, send=True):

  284.         self.ui.widget.setValue(value, send)

  285. 

  286.     def setMidiControl(self, control):

  287.         self.fMidiControl = control

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

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

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

  291. 

  292.     def setMidiChannel(self, channel):

  293.         self.fMidiChannel = channel

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

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

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

  297. 

  298.     def setLabelWidth(self, width):

  299.         self.ui.label.setMinimumWidth(width)

  300.         self.ui.label.setMaximumWidth(width)

  301. 

  302.     @pyqtSlot()

  303.     def slot_controlSpinboxCustomMenu(self):

  304.         menu = QMenu(self)

  305. 

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

  307. 

  308.         if self.fMidiControl == -1:

  309.             actNone.setCheckable(True)

  310.             actNone.setChecked(True)

  311. 

  312.         for cc in MIDI_CC_LIST:

  313.             action = menu.addAction(cc)

  314. 

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

  316.                 action.setCheckable(True)

  317.                 action.setChecked(True)

  318. 

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

  320. 

  321.         if not actSel:

  322.             pass

  323.         elif actSel == actNone:

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

  325.         else:

  326.             selControlStr = actSel.text()

  327.             selControl    = int(selControlStr.split(" ")[0], 16)

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

  329. 

  330.     @pyqtSlot()

  331.     def slot_channelSpinboxCustomMenu(self):

  332.         menu = QMenu(self)

  333. 

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

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

  336. 

  337.             if self.fMidiChannel == i:

  338.                 action.setCheckable(True)

  339.                 action.setChecked(True)

  340. 

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

  342. 

  343.         if actSel:

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

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

  346. 

  347.     @pyqtSlot(int)

  348.     def slot_controlSpinboxChanged(self, control):

  349.         if self.fMidiControl != control:

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

  351.             self.fMidiControl = control

  352. 

  353.     @pyqtSlot(int)

  354.     def slot_channelSpinboxChanged(self, channel):

  355.         if self.fMidiChannel != channel:

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

  357.             self.fMidiChannel = channel

  358. 

  359.     @pyqtSlot(float)

  360.     def slot_widgetValueChanged(self, value):

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

  362. 

  363.     def _textCallBack(self):

  364.         return Carla.host.get_parameter_text(self.fPluginId, self.fParameterId)

  365. 

  366. # ------------------------------------------------------------------------------------------------------------

  367. # Plugin Editor (Built-in)

  368. 

  369. class PluginEdit(QDialog):

  370.     kParamsPerPage = 8

  371. 

  372.     def __init__(self, parent, pluginId):

  373.         QDialog.__init__(self, Carla.gui)

  374.         self.ui = ui_carla_edit.Ui_PluginEdit()

  375.         self.ui.setupUi(self)

  376. 

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

  378.         # Internal stuff

  379. 

  380.         self.fGeometry   = QByteArray()

  381.         self.fPluginId   = pluginId

  382.         self.fPuginInfo  = None

  383.         self.fRealParent = parent

  384. 

  385.         self.fCurrentProgram = -1

  386.         self.fCurrentMidiProgram = -1

  387.         self.fCurrentStateFilename = None

  388.         self.fControlChannel  = 0

  389.         self.fFirstInit       = True

  390.         self.fScrollAreaSetup = False

  391. 

  392.         self.fParameterCount = 0

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

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

  395. 

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

  397. 

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

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

  400.         self.fTabIconCount  = 0

  401.         self.fTabIconTimers = []

  402. 

  403.         # -------------------------------------------------------------

  404.         # Set-up GUI

  405. 

  406.         self.ui.dial_drywet.setCustomPaint(self.ui.dial_drywet.CUSTOM_PAINT_CARLA_WET)

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

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

  409. 

  410.         self.ui.dial_vol.setCustomPaint(self.ui.dial_vol.CUSTOM_PAINT_CARLA_VOL)

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

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

  413. 

  414.         self.ui.dial_b_left.setCustomPaint(self.ui.dial_b_left.CUSTOM_PAINT_CARLA_L)

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

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

  417. 

  418.         self.ui.dial_b_right.setCustomPaint(self.ui.dial_b_right.CUSTOM_PAINT_CARLA_R)

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

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

  421. 

  422.         self.ui.dial_pan.setCustomPaint(self.ui.dial_b_right.CUSTOM_PAINT_CARLA_R) # FIXME

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

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

  425. 

  426.         self.ui.keyboard.setMode(self.ui.keyboard.HORIZONTAL)

  427.         self.ui.keyboard.setOctaves(10)

  428. 

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

  430. 

  431.         self.ui.scrollArea.ensureVisible(self.ui.keyboard.width() / 3, 0)

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

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

  434. 

  435.         self.reloadAll()

  436. 

  437.         # -------------------------------------------------------------

  438.         # Set-up connections

  439. 

  440.         self.finished.connect(self.slot_finished)

  441. 

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

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

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

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

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

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

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

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

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

  451. 

  452.         self.ui.dial_drywet.valueChanged.connect(self.slot_dryWetChanged)

  453.         self.ui.dial_vol.valueChanged.connect(self.slot_volumeChanged)

  454.         self.ui.dial_b_left.valueChanged.connect(self.slot_balanceLeftChanged)

  455.         self.ui.dial_b_right.valueChanged.connect(self.slot_balanceRightChanged)

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

  457. 

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

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

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

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

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

  463. 

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

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

  466. 

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

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

  469. 

  470.         if Carla.isLocal:

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

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

  473.         else:

  474.             self.ui.b_load_state.setEnabled(False)

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

  476. 

  477.     #------------------------------------------------------------------

  478. 

  479.     def updateInfo(self):

  480.         # Update current program text

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

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

  483.             pName  = charPtrToString(Carla.host.get_program_name(self.fPluginId, pIndex))

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

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

  486. 

  487.         # Update current midi program text

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

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

  490.             mpData  = Carla.host.get_midi_program_data(self.fPluginId, mpIndex)

  491.             mpBank  = int(mpData['bank'])

  492.             mpProg  = int(mpData['program'])

  493.             mpName  = charPtrToString(mpData['name'])

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

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

  496. 

  497.         # Update all parameter values

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

  499.             paramWidget.setValue(Carla.host.get_current_parameter_value(self.fPluginId, paramId), False)

  500.             paramWidget.update()

  501. 

  502.         self.fParametersToUpdate = []

  503. 

  504.     #------------------------------------------------------------------

  505. 

  506.     def reloadAll(self):

  507.         if Carla.host is not None:

  508.             self.fPluginInfo = Carla.host.get_plugin_info(self.fPluginId)

  509.             self.fPluginInfo['filename']  = charPtrToString(self.fPluginInfo['filename'])

  510.             self.fPluginInfo['name']      = charPtrToString(self.fPluginInfo['name'])

  511.             self.fPluginInfo['label']     = charPtrToString(self.fPluginInfo['label'])

  512.             self.fPluginInfo['maker']     = charPtrToString(self.fPluginInfo['maker'])

  513.             self.fPluginInfo['copyright'] = charPtrToString(self.fPluginInfo['copyright'])

  514.             self.fPluginInfo['iconName']  = charPtrToString(self.fPluginInfo['iconName'])

  515. 

  516.             if not Carla.isLocal:

  517.                 self.fPluginInfo['hints'] &= ~PLUGIN_HAS_CUSTOM_UI

  518. 

  519.         else:

  520.             self.fPluginInfo = gFakePluginInfo

  521. 

  522.         self.reloadInfo()

  523.         self.reloadParameters()

  524.         self.reloadPrograms()

  525. 

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

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

  528. 

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

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

  531. 

  532.         self.fFirstInit = False

  533. 

  534.     #------------------------------------------------------------------

  535. 

  536.     def reloadInfo(self):

  537.         if Carla.host is not None:

  538.             pluginName     = Carla.host.get_real_plugin_name(self.fPluginId)

  539.             audioCountInfo = Carla.host.get_audio_port_count_info(self.fPluginId)

  540.             midiCountInfo  = Carla.host.get_midi_port_count_info(self.fPluginId)

  541.             paramCountInfo = Carla.host.get_parameter_count_info(self.fPluginId)

  542.         else:

  543.             pluginName     = ""

  544.             audioCountInfo = gFakePortCountInfo

  545.             midiCountInfo  = gFakePortCountInfo

  546.             paramCountInfo = gFakePortCountInfo

  547. 

  548.         pluginType  = self.fPluginInfo['type']

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

  550. 

  551.         if pluginType == PLUGIN_INTERNAL:

  552.             self.ui.le_type.setText(self.tr("Internal"))

  553.         elif pluginType == PLUGIN_LADSPA:

  554.             self.ui.le_type.setText("LADSPA")

  555.         elif pluginType == PLUGIN_DSSI:

  556.             self.ui.le_type.setText("DSSI")

  557.         elif pluginType == PLUGIN_LV2:

  558.             self.ui.le_type.setText("LV2")

  559.         elif pluginType == PLUGIN_VST:

  560.             self.ui.le_type.setText("VST")

  561.         elif pluginType == PLUGIN_AU:

  562.             self.ui.le_type.setText("AU")

  563.         elif pluginType == PLUGIN_FILE_CSD:

  564.             self.ui.le_type.setText("CSD")

  565.         elif pluginType == PLUGIN_FILE_GIG:

  566.             self.ui.le_type.setText("GIG")

  567.         elif pluginType == PLUGIN_FILE_SF2:

  568.             self.ui.le_type.setText("SF2")

  569.         elif pluginType == PLUGIN_FILE_SFZ:

  570.             self.ui.le_type.setText("SFZ")

  571.         else:

  572.             self.ui.le_type.setText(self.tr("Unknown"))

  573. 

  574.         if pluginName:

  575.             self.ui.label_name.setEnabled(True)

  576.             self.ui.le_name.setEnabled(True)

  577.             self.ui.le_name.setText(pluginName)

  578.             self.ui.le_name.setToolTip(pluginName)

  579.         else:

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

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

  582.             self.ui.le_name.setText("")

  583.             self.ui.le_name.setToolTip("")

  584. 

  585.         if self.fPluginInfo['label']:

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

  587.             self.ui.le_label.setEnabled(True)

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

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

  590.         else:

  591.             self.ui.label_label.setEnabled(False)

  592.             self.ui.le_label.setEnabled(False)

  593.             self.ui.le_label.setText("")

  594.             self.ui.le_label.setToolTip("")

  595. 

  596.         if self.fPluginInfo['maker']:

  597.             self.ui.label_maker.setEnabled(True)

  598.             self.ui.le_maker.setEnabled(True)

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

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

  601.         else:

  602.             self.ui.label_maker.setEnabled(False)

  603.             self.ui.le_maker.setEnabled(False)

  604.             self.ui.le_maker.setText("")

  605.             self.ui.le_maker.setToolTip("")

  606. 

  607.         if self.fPluginInfo['copyright']:

  608.             self.ui.label_copyright.setEnabled(True)

  609.             self.ui.le_copyright.setEnabled(True)

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

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

  612.         else:

  613.             self.ui.label_copyright.setEnabled(False)

  614.             self.ui.le_copyright.setEnabled(False)

  615.             self.ui.le_copyright.setText("")

  616.             self.ui.le_copyright.setToolTip("")

  617. 

  618.         if self.fPluginInfo['uniqueId'] != 0:

  619.             self.ui.label_unique_id.setEnabled(True)

  620.             self.ui.le_unique_id.setEnabled(True)

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

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

  623.         else:

  624.             self.ui.label_unique_id.setEnabled(False)

  625.             self.ui.le_unique_id.setEnabled(False)

  626.             self.ui.le_unique_id.setText("")

  627.             self.ui.le_unique_id.setToolTip("")

  628. 

  629.         self.ui.label_plugin.setText("\n%s\n" % self.fPluginInfo['name'])

  630.         self.setWindowTitle(self.fPluginInfo['name'])

  631. 

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

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

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

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

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

  637. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  656. 

  657.         self.ui.sw_programs.setCurrentIndex(0 if self.fPluginInfo['type'] == PLUGIN_VST else 1)

  658. 

  659.         # Show/hide keyboard

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

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

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

  663. 

  664.         # Force-Update parent for new hints

  665.         if self.fRealParent and not self.fFirstInit:

  666.             self.fRealParent.recheckPluginHints(pluginHints)

  667. 

  668.     def reloadParameters(self):

  669.         # Reset

  670.         self.fParameterCount = 0

  671.         self.fParameterList  = []

  672.         self.fParametersToUpdate = []

  673. 

  674.         self.fTabIconCount  = 0

  675.         self.fTabIconTimers = []

  676. 

  677.         # Remove all previous parameters

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

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

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

  681. 

  682.         if Carla.host is None:

  683.             paramFakeListFull = []

  684.             paramFakeList  = []

  685.             paramFakeWidth = QFontMetrics(self.font()).width(gFakeParamInfo['name'])

  686. 

  687.             paramFakeList.append(gFakeParamInfo)

  688.             paramFakeListFull.append((paramFakeList, paramFakeWidth))

  689. 

  690.             self._createParameterWidgets(PARAMETER_INPUT, paramFakeListFull,  self.tr("Parameters"))

  691.             return

  692. 

  693.         parameterCount = Carla.host.get_parameter_count(self.fPluginId)

  694. 

  695.         if parameterCount <= 0:

  696.             pass

  697. 

  698.         elif parameterCount <= Carla.maxParameters:

  699.             paramInputListFull  = []

  700.             paramOutputListFull = []

  701. 

  702.             paramInputList   = [] # ([params], width)

  703.             paramInputWidth  = 0

  704.             paramOutputList  = [] # ([params], width)

  705.             paramOutputWidth = 0

  706. 

  707.             for i in range(parameterCount):

  708.                 paramInfo   = Carla.host.get_parameter_info(self.fPluginId, i)

  709.                 paramData   = Carla.host.get_parameter_data(self.fPluginId, i)

  710.                 paramRanges = Carla.host.get_parameter_ranges(self.fPluginId, i)

  711.                 paramValue  = Carla.host.get_current_parameter_value(self.fPluginId, i)

  712. 

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

  714.                     continue

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

  716.                     continue

  717. 

  718.                 parameter = {

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

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

  721.                     'name':  charPtrToString(paramInfo['name']),

  722.                     'unit':  charPtrToString(paramInfo['unit']),

  723.                     'scalePoints': [],

  724. 

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

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

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

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

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

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

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

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

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

  734. 

  735.                     'current': paramValue

  736.                 }

  737. 

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

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

  740. 

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

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

  743.                         'label': charPtrToString(scalePointInfo['label'])

  744.                     })

  745. 

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

  747. 

  748.                 # -----------------------------------------------------------------

  749.                 # Get width values, in packs of 10

  750. 

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

  752.                     paramInputWidthTMP = QFontMetrics(self.font()).width(parameter['name'])

  753. 

  754.                     if paramInputWidthTMP > paramInputWidth:

  755.                         paramInputWidth = paramInputWidthTMP

  756. 

  757.                     paramInputList.append(parameter)

  758. 

  759.                     if len(paramInputList) == self.kParamsPerPage:

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

  761.                         paramInputList  = []

  762.                         paramInputWidth = 0

  763. 

  764.                 else:

  765.                     paramOutputWidthTMP = QFontMetrics(self.font()).width(parameter['name'])

  766. 

  767.                     if paramOutputWidthTMP > paramOutputWidth:

  768.                         paramOutputWidth = paramOutputWidthTMP

  769. 

  770.                     paramOutputList.append(parameter)

  771. 

  772.                     if len(paramOutputList) == self.kParamsPerPage:

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

  774.                         paramOutputList  = []

  775.                         paramOutputWidth = 0

  776. 

  777.             # for i in range(parameterCount)

  778.             else:

  779.                 # Final page width values

  780.                 if 0 < len(paramInputList) < 10:

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

  782. 

  783.                 if 0 < len(paramOutputList) < 10:

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

  785. 

  786.             # -----------------------------------------------------------------

  787.             # Create parameter tabs + widgets

  788. 

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

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

  791. 

  792.         else: # > Carla.maxParameters

  793.             fakeName = self.tr("This plugin has too many parameters to display here!")

  794. 

  795.             paramFakeListFull = []

  796.             paramFakeList  = []

  797.             paramFakeWidth = QFontMetrics(self.font()).width(fakeName)

  798. 

  799.             parameter = {

  800.                 'type': PARAMETER_UNKNOWN,

  801.                 'hints': 0x0,

  802.                 'name':  fakeName,

  803.                 'unit':  "",

  804.                 'scalePoints': [],

  805. 

  806.                 'index':   0,

  807.                 'default': 0.0,

  808.                 'minimum': 0.0,

  809.                 'maximum': 0.0,

  810.                 'step':    0.0,

  811.                 'stepSmall': 0.0,

  812.                 'stepLarge': 0.0,

  813.                 'midiCC':   -1,

  814.                 'midiChannel': 1,

  815. 

  816.                 'current': 0.0

  817.             }

  818. 

  819.             paramFakeList.append(parameter)

  820.             paramFakeListFull.append((paramFakeList, paramFakeWidth))

  821. 

  822.             self._createParameterWidgets(PARAMETER_UNKNOWN, paramFakeListFull, self.tr("Information"))

  823. 

  824.     def reloadPrograms(self):

  825.         # Programs

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

  827.         self.ui.cb_programs.clear()

  828. 

  829.         programCount = Carla.host.get_program_count(self.fPluginId) if Carla.host is not None else 0

  830. 

  831.         if programCount > 0:

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

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

  834. 

  835.             for i in range(programCount):

  836.                 pName = charPtrToString(Carla.host.get_program_name(self.fPluginId, i))

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

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

  839. 

  840.             self.fCurrentProgram = Carla.host.get_current_program_index(self.fPluginId)

  841.             self.ui.cb_programs.setCurrentIndex(self.fCurrentProgram)

  842. 

  843.         else:

  844.             self.fCurrentProgram = -1

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

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

  847. 

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

  849. 

  850.         # MIDI Programs

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

  852.         self.ui.cb_midi_programs.clear()

  853. 

  854.         midiProgramCount = Carla.host.get_midi_program_count(self.fPluginId) if Carla.host is not None else 0

  855. 

  856.         if midiProgramCount > 0:

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

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

  859. 

  860.             for i in range(midiProgramCount):

  861.                 mpData = Carla.host.get_midi_program_data(self.fPluginId, i)

  862.                 mpBank = int(mpData['bank'])

  863.                 mpProg = int(mpData['program'])

  864.                 mpName = charPtrToString(mpData['name'])

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

  866. 

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

  868. 

  869.             self.fCurrentMidiProgram = Carla.host.get_current_midi_program_index(self.fPluginId)

  870.             self.ui.cb_midi_programs.setCurrentIndex(self.fCurrentMidiProgram)

  871. 

  872.         else:

  873.             self.fCurrentMidiProgram = -1

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

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

  876. 

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

  878. 

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

  880. 

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

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

  883. 

  884.     #------------------------------------------------------------------

  885. 

  886.     def clearNotes(self):

  887.          self.fPlayingNotes = []

  888.          self.ui.keyboard.allNotesOff()

  889. 

  890.     #------------------------------------------------------------------

  891. 

  892.     def getHints(self):

  893.         return self.fPluginInfo['hints']

  894. 

  895.     def setId(self, idx):

  896.         self.fPluginId = idx

  897. 

  898.     def setName(self, name):

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

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

  901.         self.setWindowTitle(name)

  902. 

  903.     #------------------------------------------------------------------

  904. 

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

  906.         for paramItem in self.fParametersToUpdate:

  907.             if paramItem[0] == parameterId:

  908.                 paramItem[1] = value

  909.                 break

  910.         else:

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

  912. 

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

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

  915.             if paramId == parameterId:

  916.                 paramWidget.setDefault(value)

  917.                 break

  918. 

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

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

  921.             if paramId == parameterId:

  922.                 paramWidget.setMidiControl(control)

  923.                 break

  924. 

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

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

  927.             if paramId == parameterId:

  928.                 paramWidget.setMidiChannel(channel+1)

  929.                 break

  930. 

  931.     def setProgram(self, index):

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

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

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

  935. 

  936.     def setMidiProgram(self, index):

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

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

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

  940. 

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

  942. 

  943.     def sendNoteOn(self, channel, note):

  944.         if self.fControlChannel == channel:

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

  946. 

  947.         playItem = (channel, note)

  948. 

  949.         if playItem not in self.fPlayingNotes:

  950.             self.fPlayingNotes.append(playItem)

  951. 

  952.         return bool(len(self.fPlayingNotes) == 1)

  953. 

  954.     def sendNoteOff(self, channel, note):

  955.         if self.fControlChannel == channel:

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

  957. 

  958.         playItem = (channel, note)

  959. 

  960.         if playItem in self.fPlayingNotes:

  961.             self.fPlayingNotes.remove(playItem)

  962. 

  963.         return bool(len(self.fPlayingNotes) == 0)

  964. 

  965.     #------------------------------------------------------------------

  966. 

  967.     def setVisible(self, yesNo):

  968.         if yesNo:

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

  970.                 self.restoreGeometry(self.fGeometry)

  971.         else:

  972.             self.fGeometry = self.saveGeometry()

  973. 

  974.         QDialog.setVisible(self, yesNo)

  975. 

  976.     #------------------------------------------------------------------

  977. 

  978.     def idleSlow(self):

  979.         # Check Tab icons

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

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

  982.                 self.fTabIconTimers[i] = ICON_STATE_WAIT

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

  984.                 self.fTabIconTimers[i] = ICON_STATE_OFF

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

  986.                 self.fTabIconTimers[i] = ICON_STATE_NULL

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

  988. 

  989.         # Check parameters needing update

  990.         for index, value in self.fParametersToUpdate:

  991.             if index == PARAMETER_DRYWET:

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

  993.                 self.ui.dial_drywet.setValue(value * 1000)

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

  995. 

  996.             elif index == PARAMETER_VOLUME:

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

  998.                 self.ui.dial_vol.setValue(value * 1000)

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

  1000. 

  1001.             elif index == PARAMETER_BALANCE_LEFT:

  1002.                 self.ui.dial_b_left.blockSignals(True)

  1003.                 self.ui.dial_b_left.setValue(value * 1000)

  1004.                 self.ui.dial_b_left.blockSignals(False)

  1005. 

  1006.             elif index == PARAMETER_BALANCE_RIGHT:

  1007.                 self.ui.dial_b_right.blockSignals(True)

  1008.                 self.ui.dial_b_right.setValue(value * 1000)

  1009.                 self.ui.dial_b_right.blockSignals(False)

  1010. 

  1011.             elif index == PARAMETER_PANNING:

  1012.                 self.ui.dial_pan.blockSignals(True)

  1013.                 self.ui.dial_pan.setValue(value * 1000)

  1014.                 self.ui.dial_pan.blockSignals(False)

  1015. 

  1016.             elif index == PARAMETER_CTRL_CHANNEL:

  1017.                 self.fControlChannel = int(value)

  1018.                 self.ui.sb_ctrl_channel.blockSignals(True)

  1019.                 self.ui.sb_ctrl_channel.setValue(self.fControlChannel+1)

  1020.                 self.ui.sb_ctrl_channel.blockSignals(False)

  1021.                 self.ui.keyboard.allNotesOff()

  1022.                 self._updateCtrlMidiProgram()

  1023. 

  1024.             elif index >= 0:

  1025.                 for paramType, paramId, paramWidget in self.fParameterList:

  1026.                     if paramId != index:

  1027.                         continue

  1028. 

  1029.                     paramWidget.setValue(value, False)

  1030. 

  1031.                     if paramType == PARAMETER_INPUT:

  1032.                         tabIndex = paramWidget.getTabIndex()

  1033. 

  1034.                         if self.fTabIconTimers[tabIndex-1] == ICON_STATE_NULL:

  1035.                             self.ui.tabWidget.setTabIcon(tabIndex, self.fTabIconOn)

  1036. 

  1037.                         self.fTabIconTimers[tabIndex-1] = ICON_STATE_ON

  1038. 

  1039.                     break

  1040. 

  1041.         # Clear all parameters

  1042.         self.fParametersToUpdate = []

  1043. 

  1044.         # Update parameter outputs

  1045.         for paramType, paramId, paramWidget in self.fParameterList:

  1046.             if paramType == PARAMETER_OUTPUT:

  1047.                 value = Carla.host.get_current_parameter_value(self.fPluginId, paramId)

  1048.                 paramWidget.setValue(value, False)

  1049. 

  1050.     #------------------------------------------------------------------

  1051. 

  1052.     @pyqtSlot()

  1053.     def slot_stateSave(self):

  1054.         if self.fPluginInfo['type'] == PLUGIN_LV2:

  1055.             # TODO

  1056.             return

  1057. 

  1058.         if self.fCurrentStateFilename:

  1059.             askTry = QMessageBox.question(self, self.tr("Overwrite?"), self.tr("Overwrite previously created file?"), QMessageBox.Ok|QMessageBox.Cancel)

  1060. 

  1061.             if askTry == QMessageBox.Ok:

  1062.                 Carla.host.save_plugin_state(self.fPluginId, self.fCurrentStateFilename)

  1063.                 return

  1064. 

  1065.             self.fCurrentStateFilename = None

  1066. 

  1067.         fileFilter  = self.tr("Carla State File (*.carxs)")

  1068.         filenameTry = QFileDialog.getSaveFileName(self, self.tr("Save Plugin State File"), filter=fileFilter)

  1069. 

  1070.         if filenameTry:

  1071.             if not filenameTry.lower().endswith(".carxs"):

  1072.                 filenameTry += ".carxs"

  1073. 

  1074.             self.fCurrentStateFilename = filenameTry

  1075.             Carla.host.save_plugin_state(self.fPluginId, self.fCurrentStateFilename)

  1076. 

  1077.     @pyqtSlot()

  1078.     def slot_stateLoad(self):

  1079.         if self.fPluginInfo['type'] == PLUGIN_LV2:

  1080.             presetList = []

  1081. 

  1082.             for i in range(Carla.host.get_program_count(self.fPluginId)):

  1083.                 presetList.append("%03i - %s" % (i+1, charPtrToString(Carla.host.get_program_name(self.fPluginId, i))))

  1084. 

  1085.             ret = QInputDialog.getItem(self, self.tr("Open LV2 Preset"), self.tr("Select an LV2 Preset:"), presetList, 0, False)

  1086. 

  1087.             if ret[1]:

  1088.                 index = int(ret[0].split(" - ", 1)[0])-1

  1089.                 Carla.host.set_midi_program(self.fPluginId, -1)

  1090.                 Carla.host.set_program(self.fPluginId, index)

  1091.                 self.setMidiProgram(-1)

  1092. 

  1093.             return

  1094. 

  1095.         fileFilter  = self.tr("Carla State File (*.carxs)")

  1096.         filenameTry = QFileDialog.getOpenFileName(self, self.tr("Open Plugin State File"), filter=fileFilter)

  1097. 

  1098.         if filenameTry:

  1099.             self.fCurrentStateFilename = filenameTry

  1100.             Carla.host.load_plugin_state(self.fPluginId, self.fCurrentStateFilename)

  1101. 

  1102.     #------------------------------------------------------------------

  1103. 

  1104.     @pyqtSlot(bool)

  1105.     def slot_optionChanged(self, clicked):

  1106.         if Carla.host is None:

  1107.             return

  1108. 

  1109.         sender = self.sender()

  1110. 

  1111.         if sender == self.ui.ch_fixed_buffer:

  1112.             option = PLUGIN_OPTION_FIXED_BUFFERS

  1113.         elif sender == self.ui.ch_force_stereo:

  1114.             option = PLUGIN_OPTION_FORCE_STEREO

  1115.         elif sender == self.ui.ch_map_program_changes:

  1116.             option = PLUGIN_OPTION_MAP_PROGRAM_CHANGES

  1117.         elif sender == self.ui.ch_use_chunks:

  1118.             option = PLUGIN_OPTION_USE_CHUNKS

  1119.         elif sender == self.ui.ch_send_control_changes:

  1120.             option = PLUGIN_OPTION_SEND_CONTROL_CHANGES

  1121.         elif sender == self.ui.ch_send_channel_pressure:

  1122.             option = PLUGIN_OPTION_SEND_CHANNEL_PRESSURE

  1123.         elif sender == self.ui.ch_send_note_aftertouch:

  1124.             option = PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH

  1125.         elif sender == self.ui.ch_send_pitchbend:

  1126.             option = PLUGIN_OPTION_SEND_PITCHBEND

  1127.         elif sender == self.ui.ch_send_all_sound_off:

  1128.             option = PLUGIN_OPTION_SEND_ALL_SOUND_OFF

  1129.         else:

  1130.             return

  1131. 

  1132.         Carla.host.set_option(self.fPluginId, option, clicked)

  1133. 

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

  1135. 

  1136.     @pyqtSlot(int)

  1137.     def slot_dryWetChanged(self, value):

  1138.         if Carla.host is not None:

  1139.             Carla.host.set_drywet(self.fPluginId, float(value)/1000)

  1140. 

  1141.     @pyqtSlot(int)

  1142.     def slot_volumeChanged(self, value):

  1143.         if Carla.host is not None:

  1144.             Carla.host.set_volume(self.fPluginId, float(value)/1000)

  1145. 

  1146.     @pyqtSlot(int)

  1147.     def slot_balanceLeftChanged(self, value):

  1148.         if Carla.host is not None:

  1149.             Carla.host.set_balance_left(self.fPluginId, float(value)/1000)

  1150. 

  1151.     @pyqtSlot(int)

  1152.     def slot_balanceRightChanged(self, value):

  1153.         if Carla.host is not None:

  1154.             Carla.host.set_balance_right(self.fPluginId, float(value)/1000)

  1155. 

  1156.     @pyqtSlot(int)

  1157.     def slot_panningChanged(self, value):

  1158.         if Carla.host is not None:

  1159.             Carla.host.set_panning(self.fPluginId, float(value)/1000)

  1160. 

  1161.     @pyqtSlot(int)

  1162.     def slot_ctrlChannelChanged(self, value):

  1163.         self.fControlChannel = value-1

  1164. 

  1165.         if Carla.host is not None:

  1166.             Carla.host.set_ctrl_channel(self.fPluginId, self.fControlChannel)

  1167. 

  1168.         self.ui.keyboard.allNotesOff()

  1169.         self._updateCtrlMidiProgram()

  1170. 

  1171.     #------------------------------------------------------------------

  1172. 

  1173.     @pyqtSlot(int, float)

  1174.     def slot_parameterValueChanged(self, parameterId, value):

  1175.         if Carla.host is not None:

  1176.             Carla.host.set_parameter_value(self.fPluginId, parameterId, value)

  1177.         if self.fRealParent is not None:

  1178.             self.fRealParent.parameterValueChanged(parameterId, value)

  1179. 

  1180.     @pyqtSlot(int, int)

  1181.     def slot_parameterMidiControlChanged(self, parameterId, control):

  1182.         if Carla.host is not None:

  1183.             Carla.host.set_parameter_midi_cc(self.fPluginId, parameterId, control)

  1184. 

  1185.     @pyqtSlot(int, int)

  1186.     def slot_parameterMidiChannelChanged(self, parameterId, channel):

  1187.         if Carla.host is not None:

  1188.             Carla.host.set_parameter_midi_channel(self.fPluginId, parameterId, channel-1)

  1189. 

  1190.     #------------------------------------------------------------------

  1191. 

  1192.     @pyqtSlot(int)

  1193.     def slot_programIndexChanged(self, index):

  1194.         self.fCurrentProgram = index

  1195. 

  1196.         if Carla.host is not None:

  1197.             Carla.host.set_program(self.fPluginId, index)

  1198.         if self.fRealParent is not None:

  1199.             self.fRealParent.programChanged(index)

  1200. 

  1201.     @pyqtSlot(int)

  1202.     def slot_midiProgramIndexChanged(self, index):

  1203.         self.fCurrentMidiProgram = index

  1204. 

  1205.         if Carla.host is not None:

  1206.             Carla.host.set_midi_program(self.fPluginId, index)

  1207.         if self.fRealParent is not None:

  1208.             self.fRealParent.midiProgramChanged(index)

  1209. 

  1210.     #------------------------------------------------------------------

  1211. 

  1212.     @pyqtSlot(int)

  1213.     def slot_noteOn(self, note):

  1214.         if self.fControlChannel >= 0 and Carla.host is not None:

  1215.             Carla.host.send_midi_note(self.fPluginId, self.fControlChannel, note, 100)

  1216.         if self.fRealParent is not None:

  1217.             self.fRealParent.notePressed(note)

  1218. 

  1219.     @pyqtSlot(int)

  1220.     def slot_noteOff(self, note):

  1221.         if self.fControlChannel >= 0 and Carla.host is not None:

  1222.             Carla.host.send_midi_note(self.fPluginId, self.fControlChannel, note, 0)

  1223.         if self.fRealParent is not None:

  1224.             self.fRealParent.noteReleased(note)

  1225. 

  1226.     #------------------------------------------------------------------

  1227. 

  1228.     @pyqtSlot()

  1229.     def slot_finished(self):

  1230.         if self.fRealParent is not None:

  1231.             self.fRealParent.editDialogChanged(False)

  1232. 

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

  1234. 

  1235.     @pyqtSlot()

  1236.     def slot_knobCustomMenu(self):

  1237.         knobName = self.sender().objectName()

  1238.         if knobName == "dial_drywet":

  1239.             minimum = 0

  1240.             maximum = 100

  1241.             default = 100

  1242.             label   = "Dry/Wet"

  1243.         elif knobName == "dial_vol":

  1244.             minimum = 0

  1245.             maximum = 127

  1246.             default = 100

  1247.             label   = "Volume"

  1248.         elif knobName == "dial_b_left":

  1249.             minimum = -100

  1250.             maximum = 100

  1251.             default = -100

  1252.             label   = "Balance-Left"

  1253.         elif knobName == "dial_b_right":

  1254.             minimum = -100

  1255.             maximum = 100

  1256.             default = 100

  1257.             label   = "Balance-Right"

  1258.         elif knobName == "dial_pan":

  1259.             minimum = -100

  1260.             maximum = 100

  1261.             default = 0

  1262.             label   = "Panning"

  1263.         else:

  1264.             minimum = 0

  1265.             maximum = 100

  1266.             default = 100

  1267.             label   = "Unknown"

  1268. 

  1269.         current = self.sender().value() / 10

  1270. 

  1271.         menu = QMenu(self)

  1272.         actReset = menu.addAction(self.tr("Reset (%i%%)" % default))

  1273.         menu.addSeparator()

  1274.         actMinimum = menu.addAction(self.tr("Set to Minimum (%i%%)" % minimum))

  1275.         actCenter  = menu.addAction(self.tr("Set to Center"))

  1276.         actMaximum = menu.addAction(self.tr("Set to Maximum (%i%%)" % maximum))

  1277.         menu.addSeparator()

  1278.         actSet = menu.addAction(self.tr("Set value..."))

  1279. 

  1280.         if label not in ("Balance-Left", "Balance-Right"):

  1281.             menu.removeAction(actCenter)

  1282. 

  1283.         actSelected = menu.exec_(QCursor.pos())

  1284. 

  1285.         if actSelected == actSet:

  1286.             valueTry = QInputDialog.getInteger(self, self.tr("Set value"), label, current, minimum, maximum, 1)

  1287.             if valueTry[1]:

  1288.                 value = valueTry[0] * 10

  1289.             else:

  1290.                 return

  1291. 

  1292.         elif actSelected == actMinimum:

  1293.             value = minimum * 10

  1294.         elif actSelected == actMaximum:

  1295.             value = maximum * 10

  1296.         elif actSelected == actReset:

  1297.             value = default * 10

  1298.         elif actSelected == actCenter:

  1299.             value = 0

  1300.         else:

  1301.             return

  1302. 

  1303.         if label == "Dry/Wet":

  1304.             self.ui.dial_drywet.setValue(value)

  1305.         elif label == "Volume":

  1306.             self.ui.dial_vol.setValue(value)

  1307.         elif label == "Balance-Left":

  1308.             self.ui.dial_b_left.setValue(value)

  1309.         elif label == "Balance-Right":

  1310.             self.ui.dial_b_right.setValue(value)

  1311.         elif label == "Panning":

  1312.             self.ui.dial_pan.setValue(value)

  1313. 

  1314.     #------------------------------------------------------------------

  1315. 

  1316.     @pyqtSlot()

  1317.     def slot_channelCustomMenu(self):

  1318.         menu = QMenu(self)

  1319. 

  1320.         actNone = menu.addAction(self.tr("None"))

  1321. 

  1322.         if self.fControlChannel+1 == 0:

  1323.             actNone.setCheckable(True)

  1324.             actNone.setChecked(True)

  1325. 

  1326.         for i in range(1, 16+1):

  1327.             action = menu.addAction("%i" % i)

  1328. 

  1329.             if self.fControlChannel+1 == i:

  1330.                 action.setCheckable(True)

  1331.                 action.setChecked(True)

  1332. 

  1333.         actSel = menu.exec_(QCursor.pos())

  1334. 

  1335.         if not actSel:

  1336.             pass

  1337.         elif actSel == actNone:

  1338.             self.ui.sb_ctrl_channel.setValue(0)

  1339.         elif actSel:

  1340.             selChannel = int(actSel.text())

  1341.             self.ui.sb_ctrl_channel.setValue(selChannel)

  1342. 

  1343.     #------------------------------------------------------------------

  1344. 

  1345.     def _createParameterWidgets(self, paramType, paramListFull, tabPageName):

  1346.         i = 1

  1347.         for paramList, width in paramListFull:

  1348.             if len(paramList) == 0:

  1349.                 break

  1350. 

  1351.             tabIndex         = self.ui.tabWidget.count()

  1352.             tabPageContainer = QWidget(self.ui.tabWidget)

  1353.             tabPageLayout    = QVBoxLayout(tabPageContainer)

  1354.             tabPageContainer.setLayout(tabPageLayout)

  1355. 

  1356.             for paramInfo in paramList:

  1357.                 paramWidget = PluginParameter(tabPageContainer, paramInfo, self.fPluginId, tabIndex)

  1358.                 paramWidget.setLabelWidth(width)

  1359.                 tabPageLayout.addWidget(paramWidget)

  1360. 

  1361.                 self.fParameterList.append((paramType, paramInfo['index'], paramWidget))

  1362. 

  1363.                 if paramType == PARAMETER_INPUT:

  1364.                     paramWidget.valueChanged.connect(self.slot_parameterValueChanged)

  1365. 

  1366.                 paramWidget.midiControlChanged.connect(self.slot_parameterMidiControlChanged)

  1367.                 paramWidget.midiChannelChanged.connect(self.slot_parameterMidiChannelChanged)

  1368. 

  1369.             tabPageLayout.addStretch()

  1370. 

  1371.             self.ui.tabWidget.addTab(tabPageContainer, "%s (%i)" % (tabPageName, i))

  1372.             i += 1

  1373. 

  1374.             if paramType == PARAMETER_INPUT:

  1375.                 self.ui.tabWidget.setTabIcon(tabIndex, self.fTabIconOff)

  1376. 

  1377.             self.fTabIconTimers.append(ICON_STATE_NULL)

  1378. 

  1379.     def _updateCtrlMidiProgram(self):

  1380.         if self.fPluginInfo['type'] not in (PLUGIN_INTERNAL, PLUGIN_FILE_SF2):

  1381.             return

  1382.         elif self.fPluginInfo['category'] != PLUGIN_CATEGORY_SYNTH:

  1383.             return

  1384. 

  1385.         if self.fControlChannel < 0:

  1386.             self.ui.cb_midi_programs.setEnabled(False)

  1387.             return

  1388. 

  1389.         self.ui.cb_midi_programs.setEnabled(True)

  1390. 

  1391.         mpIndex = Carla.host.get_current_midi_program_index(self.fPluginId)

  1392. 

  1393.         if self.ui.cb_midi_programs.currentIndex() != mpIndex:

  1394.             self.setMidiProgram(mpIndex)

  1395. 

  1396.     #------------------------------------------------------------------

  1397. 

  1398.     def showEvent(self, event):

  1399.         if not self.fScrollAreaSetup:

  1400.             self.fScrollAreaSetup = True

  1401.             minHeight = self.ui.scrollArea.height()+2

  1402.             self.ui.scrollArea.setMinimumHeight(minHeight)

  1403.             self.ui.scrollArea.setMaximumHeight(minHeight)

  1404. 

  1405.         QDialog.showEvent(self, event)

  1406. 

  1407.     def done(self, r):

  1408.         QDialog.done(self, r)

  1409.         self.close()

  1410. 

  1411. # ------------------------------------------------------------------------------------------------------------

  1412. # Main

  1413. 

  1414. if __name__ == '__main__':

  1415.     from carla_style import *

  1416. 

  1417.     app = CarlaApplication()

  1418. 

  1419.     #gui = CarlaAboutW(None)

  1420.     #gui = PluginParameter(None, gFakeParamInfo, 0, 0)

  1421.     gui = PluginEdit(None, 0)

  1422.     gui.show()

  1423. 

  1424.     sys.exit(app.exec_())