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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) 2011-2018 Filipe Coelho <falktx@falktx.com>

  6. #

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

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

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

  10. # the License, or any later version.

  11. #

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

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

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

  15. # GNU General Public License for more details.

  16. #

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

  18. 

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

  20. # Imports (Config)

  21. 

  22. from carla_config import *

  23. 

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

  25. # Imports (Global)

  26. 

  27. if config_UseQt5:

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

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

  30.     from PyQt5.QtWidgets import QDialog, QInputDialog, QLineEdit, QMenu, QVBoxLayout, QWidget

  31. else:

  32.     from PyQt4.QtCore import pyqtSignal, pyqtSlot, Qt, QByteArray, QSettings, QTimer

  33.     from PyQt4.QtGui import QColor, QCursor, QFontMetrics, QPainter, QPainterPath, QPalette, QPixmap

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

  35. 

  36. # ------------------------------------------------------------------------------------------------------------

  37. # Imports (Custom)

  38. 

  39. import ui_carla_about

  40. import ui_carla_edit

  41. import ui_carla_parameter

  42. 

  43. from carla_shared import *

  44. from carla_utils import *

  45. from widgets.paramspinbox import CustomInputDialog

  46. from widgets.pixmapkeyboard import PixmapKeyboardHArea

  47. 

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

  49. # Carla GUI defines

  50. 

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

  52. ICON_STATE_WAIT = 2 # nothing, sets as off

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

  54. ICON_STATE_NULL = 0 # nothing

  55. 

  56. # ------------------------------------------------------------------------------------------------------------

  57. # Carla About dialog

  58. 

  59. class CarlaAboutW(QDialog):

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

  61.         QDialog.__init__(self, parent)

  62.         self.ui = ui_carla_about.Ui_CarlaAboutW()

  63.         self.ui.setupUi(self)

  64. 

  65.         if False:

  66.             # kdevelop likes this :)

  67.             host = CarlaHostNull()

  68. 

  69.         if host.isControl:

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

  71.         elif host.isPlugin:

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

  73.         else:

  74.             extraInfo = ""

  75. 

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

  77.                                      "<br>Version %s"

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

  79.                                      "<br>Copyright (C) 2011-2018 falkTX<br>"

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

  81. 

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

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

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

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

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

  87. 

  88.         if host.isControl:

  89.             self.ui.l_extended.hide()

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

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

  92. 

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

  94. 

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

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

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

  98.         else:

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

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

  101. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  116.                                    "</table>"

  117.                                   )

  118. 

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

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

  121. 

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

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

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

  125.                                       "Implemented Feature/Extensions:"

  126.                                       "<ul>"

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  157.                                       "</ul>"))

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

  159. 

  160.         # 3rd tab is usually longer than the 1st

  161.         # adjust appropriately

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

  163.         self.adjustSize()

  164. 

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

  166.         self.setFixedSize(self.size())

  167. 

  168.         flags  = self.windowFlags()

  169.         flags &= ~Qt.WindowContextHelpButtonHint

  170. 

  171.         if WINDOWS:

  172.             flags |= Qt.MSWindowsFixedSizeDialogHint

  173. 

  174.         self.setWindowFlags(flags)

  175. 

  176.     def done(self, r):

  177.         QDialog.done(self, r)

  178.         self.close()

  179. 

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

  181. # Plugin Parameter

  182. 

  183. class PluginParameter(QWidget):

  184.     midiControlChanged = pyqtSignal(int, int)

  185.     midiChannelChanged = pyqtSignal(int, int)

  186.     valueChanged       = pyqtSignal(int, float)

  187. 

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

  189.         QWidget.__init__(self, parent)

  190.         self.host = host

  191.         self.ui = ui_carla_parameter.Ui_PluginParameter()

  192.         self.ui.setupUi(self)

  193. 

  194.         if False:

  195.             # kdevelop likes this :)

  196.             host = CarlaHostNull()

  197.             self.host = host

  198. 

  199.         # -------------------------------------------------------------

  200.         # Internal stuff

  201. 

  202.         self.fMidiControl = -1

  203.         self.fMidiChannel = 1

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

  205.         self.fPluginId    = pluginId

  206.         self.fTabIndex    = tabIndex

  207. 

  208.         # -------------------------------------------------------------

  209.         # Set-up GUI

  210. 

  211.         pType  = pInfo['type']

  212.         pHints = pInfo['hints']

  213. 

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

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

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

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

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

  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 pType == PARAMETER_INPUT:

  226.             if not pHints & PARAMETER_IS_ENABLED:

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

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

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

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

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

  232. 

  233.             elif not pHints & PARAMETER_IS_AUTOMABLE:

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

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

  236. 

  237.             if pHints & PARAMETER_IS_READ_ONLY:

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

  239. 

  240.         elif pType == PARAMETER_OUTPUT:

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

  242. 

  243.         else:

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

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

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

  247. 

  248.         # Only set value after all hints are handled

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

  250. 

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

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

  253. 

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

  255.         self.ui.widget.updateAll()

  256. 

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

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

  259. 

  260.         # -------------------------------------------------------------

  261.         # Set-up connections

  262. 

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

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

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

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

  267. 

  268.         # -------------------------------------------------------------

  269. 

  270.     def getPluginId(self):

  271.         return self.fPluginId

  272. 

  273.     def getTabIndex(self):

  274.         return self.fTabIndex

  275. 

  276.     def setPluginId(self, pluginId):

  277.         self.fPluginId = pluginId

  278. 

  279.     def setDefault(self, value):

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

  281. 

  282.     def setValue(self, value):

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

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

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

  286. 

  287.     def setMidiControl(self, control):

  288.         self.fMidiControl = control

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

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

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

  292. 

  293.     def setMidiChannel(self, channel):

  294.         self.fMidiChannel = channel

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

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

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

  298. 

  299.     def setLabelWidth(self, width):

  300.         self.ui.label.setFixedWidth(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(" ", 1)[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(" ", 1)[0].replace("&",""), 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.         self.fMidiControl = control

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

  351. 

  352.     @pyqtSlot(int)

  353.     def slot_channelSpinboxChanged(self, channel):

  354.         self.fMidiChannel = channel

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

  356. 

  357.     def _textCallBack(self):

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

  359. 

  360.     def _valueCallBack(self, value):

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

  362. 

  363. # ------------------------------------------------------------------------------------------------------------

  364. # Plugin Editor Parent (Meta class)

  365. 

  366. class PluginEditParentMeta():

  367. #class PluginEditParentMeta(metaclass=ABCMeta):

  368.     @abstractmethod

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

  370.         raise NotImplementedError

  371. 

  372.     @abstractmethod

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

  374.         raise NotImplementedError

  375. 

  376.     @abstractmethod

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

  378.         raise NotImplementedError

  379. 

  380.     @abstractmethod

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

  382.         raise NotImplementedError

  383. 

  384.     @abstractmethod

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

  386.         raise NotImplementedError

  387. 

  388.     @abstractmethod

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

  390.         raise NotImplementedError

  391. 

  392.     @abstractmethod

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

  394.         raise NotImplementedError

  395. 

  396.     @abstractmethod

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

  398.         raise NotImplementedError

  399. 

  400. # ------------------------------------------------------------------------------------------------------------

  401. # Plugin Editor (Built-in)

  402. 

  403. class PluginEdit(QDialog):

  404.     # settings

  405.     kParamsPerPage = 17

  406. 

  407.     # signals

  408.     SIGTERM = pyqtSignal()

  409.     SIGUSR1 = pyqtSignal()

  410. 

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

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

  413.         self.host = host

  414.         self.ui = ui_carla_edit.Ui_PluginEdit()

  415.         self.ui.setupUi(self)

  416. 

  417.         if False:

  418.             # kdevelop likes this :)

  419.             parent = PluginEditParentMeta()

  420.             host = CarlaHostNull()

  421.             self.host = host

  422. 

  423.         # -------------------------------------------------------------

  424.         # Internal stuff

  425. 

  426.         self.fGeometry   = QByteArray()

  427.         self.fParent     = parent

  428.         self.fPluginId   = pluginId

  429.         self.fPluginInfo = None

  430. 

  431.         self.fCurrentStateFilename = None

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

  433.         self.fFirstInit      = True

  434. 

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

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

  437. 

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

  439. 

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

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

  442.         self.fTabIconTimers = []

  443. 

  444.         # used during testing

  445.         self.fIdleTimerId = 0

  446. 

  447.         # -------------------------------------------------------------

  448.         # Set-up GUI

  449. 

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

  451.         labelPluginFont.setPixelSize(15)

  452.         labelPluginFont.setWeight(75)

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

  454. 

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

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

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

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

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

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

  461. 

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

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

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

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

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

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

  468. 

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

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

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

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

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

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

  475. 

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

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

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

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

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

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

  482. 

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

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

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

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

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

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

  489. 

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

  491. 

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

  493.         self.ui.keyboard   = self.ui.scrollArea.keyboard

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

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

  496. 

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

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

  499. 

  500.         # todo

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

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

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

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

  505. 

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

  507. 

  508.         self.reloadAll()

  509. 

  510.         self.fFirstInit = False

  511. 

  512.         # -------------------------------------------------------------

  513.         # Set-up connections

  514. 

  515.         self.finished.connect(self.slot_finished)

  516. 

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

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

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

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

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

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

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

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

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

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

  527. 

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

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

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

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

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

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

  534. 

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

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

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

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

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

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

  541. 

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

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

  544. 

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

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

  547. 

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

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

  550. 

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

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

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

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

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

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

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

  558. 

  559.     #------------------------------------------------------------------

  560. 

  561.     @pyqtSlot(int, int, int, int)

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

  563.         if self.fPluginId != pluginId: return

  564. 

  565.         if self.fControlChannel == channel:

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

  567. 

  568.         playItem = (channel, note)

  569. 

  570.         if playItem not in self.fPlayingNotes:

  571.             self.fPlayingNotes.append(playItem)

  572. 

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

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

  575. 

  576.     @pyqtSlot(int, int, int)

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

  578.         if self.fPluginId != pluginId: return

  579. 

  580.         if self.fControlChannel == channel:

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

  582. 

  583.         playItem = (channel, note)

  584. 

  585.         if playItem in self.fPlayingNotes:

  586.             self.fPlayingNotes.remove(playItem)

  587. 

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

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

  590. 

  591.     @pyqtSlot(int)

  592.     def slot_handleUpdateCallback(self, pluginId):

  593.         if self.fPluginId == pluginId:

  594.             self.updateInfo()

  595. 

  596.     @pyqtSlot(int)

  597.     def slot_handleReloadInfoCallback(self, pluginId):

  598.         if self.fPluginId == pluginId:

  599.             self.reloadInfo()

  600. 

  601.     @pyqtSlot(int)

  602.     def slot_handleReloadParametersCallback(self, pluginId):

  603.         if self.fPluginId == pluginId:

  604.             self.reloadParameters()

  605. 

  606.     @pyqtSlot(int)

  607.     def slot_handleReloadProgramsCallback(self, pluginId):

  608.         if self.fPluginId == pluginId:

  609.             self.reloadPrograms()

  610. 

  611.     @pyqtSlot(int)

  612.     def slot_handleReloadAllCallback(self, pluginId):

  613.         if self.fPluginId == pluginId:

  614.             self.reloadAll()

  615. 

  616.     #------------------------------------------------------------------

  617. 

  618.     def updateInfo(self):

  619.         # Update current program text

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

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

  622.             if pIndex >= 0:

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

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

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

  626. 

  627.         # Update current midi program text

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

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

  630.             if mpIndex >= 0:

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

  632.                 mpBank  = mpData['bank']

  633.                 mpProg  = mpData['program']

  634.                 mpName  = mpData['name']

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

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

  637. 

  638.         # Update all parameter values

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

  640.             paramWidget.blockSignals(True)

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

  642.             paramWidget.blockSignals(False)

  643. 

  644.         # and the internal ones too

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

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

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

  648. 

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

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

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

  652. 

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

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

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

  656. 

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

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

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

  660. 

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

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

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

  664. 

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

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

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

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

  669.         self.ui.keyboard.allNotesOff()

  670.         self._updateCtrlPrograms()

  671. 

  672.         self.fParametersToUpdate = []

  673. 

  674.     #------------------------------------------------------------------

  675. 

  676.     def reloadAll(self):

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

  678. 

  679.         self.reloadInfo()

  680.         self.reloadParameters()

  681.         self.reloadPrograms()

  682. 

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

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

  685. 

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

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

  688. 

  689.         # Workaround for a Qt4 bug, see https://bugreports.qt-project.org/browse/QTBUG-7792

  690.         if LINUX: QTimer.singleShot(0, self.slot_fixNameWordWrap)

  691. 

  692.     @pyqtSlot()

  693.     def slot_fixNameWordWrap(self):

  694.         if self.ui.tabWidget.count() > 0:

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

  696.         self.adjustSize()

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

  698.         self.setMinimumSize(self.width(), self.height())

  699. 

  700.     #------------------------------------------------------------------

  701. 

  702.     def reloadInfo(self):

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

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

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

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

  707. 

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

  709. 

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

  711. 

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

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

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

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

  716. 

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

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

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

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

  721. 

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

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

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

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

  726. 

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

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

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

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

  731. 

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

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

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

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

  736. 

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

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

  739. 

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

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

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

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

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

  745. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  764. 

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

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

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

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

  769. 

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

  771. 

  772.         # Show/hide keyboard

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

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

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

  776. 

  777.         # Force-update parent for new hints

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

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

  780. 

  781.     def reloadParameters(self):

  782.         # Reset

  783.         self.fParameterList      = []

  784.         self.fParametersToUpdate = []

  785.         self.fTabIconTimers      = []

  786. 

  787.         # Remove all previous parameters

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

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

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

  791. 

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

  793. 

  794.         # -----------------------------------------------------------------

  795. 

  796.         if parameterCount <= 0:

  797.             return

  798. 

  799.         # -----------------------------------------------------------------

  800. 

  801.         paramInputList   = []

  802.         paramOutputList  = []

  803.         paramInputWidth  = 0

  804.         paramOutputWidth = 0

  805. 

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

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

  808. 

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

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

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

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

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

  814. 

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

  816.                 continue

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

  818.                 continue

  819. 

  820.             parameter = {

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

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

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

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

  825.                 'scalePoints': [],

  826. 

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

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

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

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

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

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

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

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

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

  836. 

  837.                 'current': paramValue

  838.             }

  839. 

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

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

  842. 

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

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

  845.                     'label': scalePointInfo['label']

  846.                 })

  847. 

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

  849. 

  850.             # -----------------------------------------------------------------

  851.             # Get width values, in packs of 20

  852. 

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

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

  855. 

  856.                 if paramInputWidthTMP > paramInputWidth:

  857.                     paramInputWidth = paramInputWidthTMP

  858. 

  859.                 paramInputList.append(parameter)

  860. 

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

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

  863.                     paramInputList  = []

  864.                     paramInputWidth = 0

  865. 

  866.             else:

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

  868. 

  869.                 if paramOutputWidthTMP > paramOutputWidth:

  870.                     paramOutputWidth = paramOutputWidthTMP

  871. 

  872.                 paramOutputList.append(parameter)

  873. 

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

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

  876.                     paramOutputList  = []

  877.                     paramOutputWidth = 0

  878. 

  879.         # for i in range(parameterCount)

  880.         else:

  881.             # Final page width values

  882.             if 0 < len(paramInputList) < self.kParamsPerPage:

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

  884. 

  885.             if 0 < len(paramOutputList) < self.kParamsPerPage:

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

  887. 

  888.         # Create parameter tabs + widgets

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

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

  891. 

  892.     def reloadPrograms(self):

  893.         # Programs

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

  895.         self.ui.cb_programs.clear()

  896. 

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

  898. 

  899.         if programCount > 0:

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

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

  902. 

  903.             for i in range(programCount):

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

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

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

  907. 

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

  909. 

  910.         else:

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

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

  913. 

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

  915. 

  916.         # MIDI Programs

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

  918.         self.ui.cb_midi_programs.clear()

  919. 

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

  921. 

  922.         if midiProgramCount > 0:

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

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

  925. 

  926.             for i in range(midiProgramCount):

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

  928.                 mpBank = mpData['bank']

  929.                 mpProg = mpData['program']

  930.                 mpName = mpData['name']

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

  932. 

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

  934. 

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

  936. 

  937.         else:

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

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

  940. 

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

  942. 

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

  944. 

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

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

  947. 

  948.     #------------------------------------------------------------------

  949. 

  950.     def clearNotes(self):

  951.          self.fPlayingNotes = []

  952.          self.ui.keyboard.allNotesOff()

  953. 

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

  955.         if self.fControlChannel == channel:

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

  957. 

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

  959.         if self.fControlChannel == channel:

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

  961. 

  962.     #------------------------------------------------------------------

  963. 

  964.     def getHints(self):

  965.         return self.fPluginInfo['hints']

  966. 

  967.     def setPluginId(self, idx):

  968.         self.fPluginId = idx

  969. 

  970.     def setName(self, name):

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

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

  973.         self.setWindowTitle(name)

  974. 

  975.     #------------------------------------------------------------------

  976. 

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

  978.         for paramItem in self.fParametersToUpdate:

  979.             if paramItem[0] == parameterId:

  980.                 paramItem[1] = value

  981.                 break

  982.         else:

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

  984. 

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

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

  987.             if paramId == parameterId:

  988.                 paramWidget.setDefault(value)

  989.                 break

  990. 

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

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

  993.             if paramId == parameterId:

  994.                 paramWidget.setMidiControl(control)

  995.                 break

  996. 

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

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

  999.             if paramId == parameterId:

  1000.                 paramWidget.setMidiChannel(channel+1)

  1001.                 break

  1002. 

  1003.     def setProgram(self, index):

  1004.         self.ui.cb_programs.blockSignals(True)

  1005.         self.ui.cb_programs.setCurrentIndex(index)

  1006.         self.ui.cb_programs.blockSignals(False)

  1007.         self._updateParameterValues()

  1008. 

  1009.     def setMidiProgram(self, index):

  1010.         self.ui.cb_midi_programs.blockSignals(True)

  1011.         self.ui.cb_midi_programs.setCurrentIndex(index)

  1012.         self.ui.cb_midi_programs.blockSignals(False)

  1013.         self._updateParameterValues()

  1014. 

  1015.     def setOption(self, option, yesNo):

  1016.         if option == PLUGIN_OPTION_USE_CHUNKS:

  1017.             widget = self.ui.ch_use_chunks

  1018.         elif option == PLUGIN_OPTION_FIXED_BUFFERS:

  1019.             widget = self.ui.ch_fixed_buffer

  1020.         elif option == PLUGIN_OPTION_FORCE_STEREO:

  1021.             widget = self.ui.ch_force_stereo

  1022.         elif option == PLUGIN_OPTION_MAP_PROGRAM_CHANGES:

  1023.             widget = self.ui.ch_map_program_changes

  1024.         elif option == PLUGIN_OPTION_SEND_PROGRAM_CHANGES:

  1025.             widget = self.ui.ch_send_program_changes

  1026.         elif option == PLUGIN_OPTION_SEND_CONTROL_CHANGES:

  1027.             widget = self.ui.ch_send_control_changes

  1028.         elif option == PLUGIN_OPTION_SEND_CHANNEL_PRESSURE:

  1029.             widget = self.ui.ch_send_channel_pressure

  1030.         elif option == PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH:

  1031.             widget = self.ui.ch_send_note_aftertouch

  1032.         elif option == PLUGIN_OPTION_SEND_PITCHBEND:

  1033.             widget = self.ui.ch_send_pitchbend

  1034.         elif option == PLUGIN_OPTION_SEND_ALL_SOUND_OFF:

  1035.             widget = self.ui.ch_send_all_sound_off

  1036.         else:

  1037.             return

  1038. 

  1039.         widget.blockSignals(True)

  1040.         widget.setChecked(yesNo)

  1041.         widget.blockSignals(False)

  1042. 

  1043.     #------------------------------------------------------------------

  1044. 

  1045.     def setVisible(self, yesNo):

  1046.         if yesNo:

  1047.             if not self.fGeometry.isNull():

  1048.                 self.restoreGeometry(self.fGeometry)

  1049.         else:

  1050.             self.fGeometry = self.saveGeometry()

  1051. 

  1052.         QDialog.setVisible(self, yesNo)

  1053. 

  1054.     #------------------------------------------------------------------

  1055. 

  1056.     def idleSlow(self):

  1057.         # Check Tab icons

  1058.         for i in range(len(self.fTabIconTimers)):

  1059.             if self.fTabIconTimers[i] == ICON_STATE_ON:

  1060.                 self.fTabIconTimers[i] = ICON_STATE_WAIT

  1061.             elif self.fTabIconTimers[i] == ICON_STATE_WAIT:

  1062.                 self.fTabIconTimers[i] = ICON_STATE_OFF

  1063.             elif self.fTabIconTimers[i] == ICON_STATE_OFF:

  1064.                 self.fTabIconTimers[i] = ICON_STATE_NULL

  1065.                 self.ui.tabWidget.setTabIcon(i+1, self.fTabIconOff)

  1066. 

  1067.         # Check parameters needing update

  1068.         for index, value in self.fParametersToUpdate:

  1069.             if index == PARAMETER_DRYWET:

  1070.                 self.ui.dial_drywet.blockSignals(True)

  1071.                 self.ui.dial_drywet.setValue(value)

  1072.                 self.ui.dial_drywet.blockSignals(False)

  1073. 

  1074.             elif index == PARAMETER_VOLUME:

  1075.                 self.ui.dial_vol.blockSignals(True)

  1076.                 self.ui.dial_vol.setValue(value)

  1077.                 self.ui.dial_vol.blockSignals(False)

  1078. 

  1079.             elif index == PARAMETER_BALANCE_LEFT:

  1080.                 self.ui.dial_b_left.blockSignals(True)

  1081.                 self.ui.dial_b_left.setValue(value)

  1082.                 self.ui.dial_b_left.blockSignals(False)

  1083. 

  1084.             elif index == PARAMETER_BALANCE_RIGHT:

  1085.                 self.ui.dial_b_right.blockSignals(True)

  1086.                 self.ui.dial_b_right.setValue(value)

  1087.                 self.ui.dial_b_right.blockSignals(False)

  1088. 

  1089.             elif index == PARAMETER_PANNING:

  1090.                 self.ui.dial_pan.blockSignals(True)

  1091.                 self.ui.dial_pan.setValue(value)

  1092.                 self.ui.dial_pan.blockSignals(False)

  1093. 

  1094.             elif index == PARAMETER_CTRL_CHANNEL:

  1095.                 self.fControlChannel = round(value)

  1096.                 self.ui.sb_ctrl_channel.blockSignals(True)

  1097.                 self.ui.sb_ctrl_channel.setValue(self.fControlChannel+1)

  1098.                 self.ui.sb_ctrl_channel.blockSignals(False)

  1099.                 self.ui.keyboard.allNotesOff()

  1100.                 self._updateCtrlPrograms()

  1101. 

  1102.             elif index >= 0:

  1103.                 for paramType, paramId, paramWidget in self.fParameterList:

  1104.                     if paramId != index:

  1105.                         continue

  1106.                     # FIXME see below

  1107.                     if paramType != PARAMETER_INPUT:

  1108.                         continue

  1109. 

  1110.                     paramWidget.blockSignals(True)

  1111.                     paramWidget.setValue(value)

  1112.                     paramWidget.blockSignals(False)

  1113. 

  1114.                     #if paramType == PARAMETER_INPUT:

  1115.                     tabIndex = paramWidget.getTabIndex()

  1116. 

  1117.                     if self.fTabIconTimers[tabIndex-1] == ICON_STATE_NULL:

  1118.                         self.ui.tabWidget.setTabIcon(tabIndex, self.fTabIconOn)

  1119. 

  1120.                     self.fTabIconTimers[tabIndex-1] = ICON_STATE_ON

  1121.                     break

  1122. 

  1123.         # Clear all parameters

  1124.         self.fParametersToUpdate = []

  1125. 

  1126.         # Update parameter outputs | FIXME needed?

  1127.         for paramType, paramId, paramWidget in self.fParameterList:

  1128.             if paramType != PARAMETER_OUTPUT:

  1129.                 continue

  1130. 

  1131.             paramWidget.blockSignals(True)

  1132.             paramWidget.setValue(self.host.get_current_parameter_value(self.fPluginId, paramId))

  1133.             paramWidget.blockSignals(False)

  1134. 

  1135.     #------------------------------------------------------------------

  1136. 

  1137.     @pyqtSlot()

  1138.     def slot_stateSave(self):

  1139.         if self.fPluginInfo['type'] == PLUGIN_LV2:

  1140.             # TODO

  1141.             return

  1142. 

  1143.         if self.fCurrentStateFilename:

  1144.             askTry = QMessageBox.question(self, self.tr("Overwrite?"), self.tr("Overwrite previously created file?"), QMessageBox.Ok|QMessageBox.Cancel)

  1145. 

  1146.             if askTry == QMessageBox.Ok:

  1147.                 self.host.save_plugin_state(self.fPluginId, self.fCurrentStateFilename)

  1148.                 return

  1149. 

  1150.             self.fCurrentStateFilename = None

  1151. 

  1152.         fileFilter = self.tr("Carla State File (*.carxs)")

  1153.         filename   = QFileDialog.getSaveFileName(self, self.tr("Save Plugin State File"), filter=fileFilter)

  1154. 

  1155.         if config_UseQt5:

  1156.             filename = filename[0]

  1157.         if not filename:

  1158.             return

  1159. 

  1160.         if not filename.lower().endswith(".carxs"):

  1161.             filename += ".carxs"

  1162. 

  1163.         self.fCurrentStateFilename = filename

  1164.         self.host.save_plugin_state(self.fPluginId, self.fCurrentStateFilename)

  1165. 

  1166.     @pyqtSlot()

  1167.     def slot_stateLoad(self):

  1168.         if self.fPluginInfo['type'] == PLUGIN_LV2:

  1169.             presetList = []

  1170. 

  1171.             for i in range(self.host.get_program_count(self.fPluginId)):

  1172.                 presetList.append("%03i - %s" % (i+1, self.host.get_program_name(self.fPluginId, i)))

  1173. 

  1174.             ret = QInputDialog.getItem(self, self.tr("Open LV2 Preset"), self.tr("Select an LV2 Preset:"), presetList, 0, False)

  1175. 

  1176.             if ret[1]:

  1177.                 index = int(ret[0].split(" - ", 1)[0])-1

  1178.                 self.host.set_program(self.fPluginId, index)

  1179.                 self.setMidiProgram(-1)

  1180. 

  1181.             return

  1182. 

  1183.         fileFilter = self.tr("Carla State File (*.carxs)")

  1184.         filename   = QFileDialog.getOpenFileName(self, self.tr("Open Plugin State File"), filter=fileFilter)

  1185. 

  1186.         if config_UseQt5:

  1187.             filename = filename[0]

  1188.         if not filename:

  1189.             return

  1190. 

  1191.         self.fCurrentStateFilename = filename

  1192.         self.host.load_plugin_state(self.fPluginId, self.fCurrentStateFilename)

  1193. 

  1194.     #------------------------------------------------------------------

  1195. 

  1196.     @pyqtSlot(bool)

  1197.     def slot_optionChanged(self, clicked):

  1198.         sender = self.sender()

  1199. 

  1200.         if sender == self.ui.ch_use_chunks:

  1201.             option = PLUGIN_OPTION_USE_CHUNKS

  1202.         elif sender == self.ui.ch_fixed_buffer:

  1203.             option = PLUGIN_OPTION_FIXED_BUFFERS

  1204.         elif sender == self.ui.ch_force_stereo:

  1205.             option = PLUGIN_OPTION_FORCE_STEREO

  1206.         elif sender == self.ui.ch_map_program_changes:

  1207.             option = PLUGIN_OPTION_MAP_PROGRAM_CHANGES

  1208.         elif sender == self.ui.ch_send_program_changes:

  1209.             option = PLUGIN_OPTION_SEND_PROGRAM_CHANGES

  1210.         elif sender == self.ui.ch_send_control_changes:

  1211.             option = PLUGIN_OPTION_SEND_CONTROL_CHANGES

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

  1213.             option = PLUGIN_OPTION_SEND_CHANNEL_PRESSURE

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

  1215.             option = PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH

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

  1217.             option = PLUGIN_OPTION_SEND_PITCHBEND

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

  1219.             option = PLUGIN_OPTION_SEND_ALL_SOUND_OFF

  1220.         else:

  1221.             return

  1222. 

  1223.         #--------------------------------------------------------------

  1224.         # handle map-program-changes and send-program-changes conflict

  1225. 

  1226.         if option == PLUGIN_OPTION_MAP_PROGRAM_CHANGES and clicked:

  1227.             self.ui.ch_send_program_changes.setEnabled(False)

  1228. 

  1229.             # disable send-program-changes if needed

  1230.             if self.ui.ch_send_program_changes.isChecked():

  1231.                 self.host.set_option(self.fPluginId, PLUGIN_OPTION_SEND_PROGRAM_CHANGES, False)

  1232. 

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

  1234.         # set option

  1235. 

  1236.         self.host.set_option(self.fPluginId, option, clicked)

  1237. 

  1238.         #--------------------------------------------------------------

  1239.         # handle map-program-changes and send-program-changes conflict

  1240. 

  1241.         if option == PLUGIN_OPTION_MAP_PROGRAM_CHANGES and not clicked:

  1242.             self.ui.ch_send_program_changes.setEnabled(self.fPluginInfo['optionsAvailable'] & PLUGIN_OPTION_SEND_PROGRAM_CHANGES)

  1243. 

  1244.             # restore send-program-changes if needed

  1245.             if self.ui.ch_send_program_changes.isChecked():

  1246.                 self.host.set_option(self.fPluginId, PLUGIN_OPTION_SEND_PROGRAM_CHANGES, True)

  1247. 

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

  1249. 

  1250.     @pyqtSlot(float)

  1251.     def slot_dryWetChanged(self, value):

  1252.         self.host.set_drywet(self.fPluginId, value)

  1253. 

  1254.         if self.fParent is not None:

  1255.             self.fParent.editDialogParameterValueChanged(self.fPluginId, PARAMETER_DRYWET, value)

  1256. 

  1257.     @pyqtSlot(float)

  1258.     def slot_volumeChanged(self, value):

  1259.         self.host.set_volume(self.fPluginId, value)

  1260. 

  1261.         if self.fParent is not None:

  1262.             self.fParent.editDialogParameterValueChanged(self.fPluginId, PARAMETER_VOLUME, value)

  1263. 

  1264.     @pyqtSlot(float)

  1265.     def slot_balanceLeftChanged(self, value):

  1266.         self.host.set_balance_left(self.fPluginId, value)

  1267. 

  1268.         if self.fParent is not None:

  1269.             self.fParent.editDialogParameterValueChanged(self.fPluginId, PARAMETER_BALANCE_LEFT, value)

  1270. 

  1271.     @pyqtSlot(float)

  1272.     def slot_balanceRightChanged(self, value):

  1273.         self.host.set_balance_right(self.fPluginId, value)

  1274. 

  1275.         if self.fParent is not None:

  1276.             self.fParent.editDialogParameterValueChanged(self.fPluginId, PARAMETER_BALANCE_RIGHT, value)

  1277. 

  1278.     @pyqtSlot(float)

  1279.     def slot_panChanged(self, value):

  1280.         self.host.set_panning(self.fPluginId, value)

  1281. 

  1282.         if self.fParent is not None:

  1283.             self.fParent.editDialogParameterValueChanged(self.fPluginId, PARAMETER_PANNING, value)

  1284. 

  1285.     @pyqtSlot(int)

  1286.     def slot_ctrlChannelChanged(self, value):

  1287.         self.fControlChannel = value-1

  1288.         self.host.set_ctrl_channel(self.fPluginId, self.fControlChannel)

  1289. 

  1290.         self.ui.keyboard.allNotesOff()

  1291.         self._updateCtrlPrograms()

  1292. 

  1293.     #------------------------------------------------------------------

  1294. 

  1295.     @pyqtSlot(int, float)

  1296.     def slot_parameterValueChanged(self, parameterId, value):

  1297.         self.host.set_parameter_value(self.fPluginId, parameterId, value)

  1298. 

  1299.         if self.fParent is not None:

  1300.             self.fParent.editDialogParameterValueChanged(self.fPluginId, parameterId, value)

  1301. 

  1302.     @pyqtSlot(int, int)

  1303.     def slot_parameterMidiControlChanged(self, parameterId, control):

  1304.         self.host.set_parameter_midi_cc(self.fPluginId, parameterId, control)

  1305. 

  1306.     @pyqtSlot(int, int)

  1307.     def slot_parameterMidiChannelChanged(self, parameterId, channel):

  1308.         self.host.set_parameter_midi_channel(self.fPluginId, parameterId, channel-1)

  1309. 

  1310.     #------------------------------------------------------------------

  1311. 

  1312.     @pyqtSlot(int)

  1313.     def slot_programIndexChanged(self, index):

  1314.         self.host.set_program(self.fPluginId, index)

  1315. 

  1316.         if self.fParent is not None:

  1317.             self.fParent.editDialogProgramChanged(self.fPluginId, index)

  1318. 

  1319.         self._updateParameterValues()

  1320. 

  1321.     @pyqtSlot(int)

  1322.     def slot_midiProgramIndexChanged(self, index):

  1323.         self.host.set_midi_program(self.fPluginId, index)

  1324. 

  1325.         if self.fParent is not None:

  1326.             self.fParent.editDialogMidiProgramChanged(self.fPluginId, index)

  1327. 

  1328.         self._updateParameterValues()

  1329. 

  1330.     #------------------------------------------------------------------

  1331. 

  1332.     @pyqtSlot(int)

  1333.     def slot_noteOn(self, note):

  1334.         if self.fControlChannel >= 0:

  1335.             self.host.send_midi_note(self.fPluginId, self.fControlChannel, note, 100)

  1336. 

  1337.         if self.fParent is not None:

  1338.             self.fParent.editDialogNotePressed(self.fPluginId, note)

  1339. 

  1340.     @pyqtSlot(int)

  1341.     def slot_noteOff(self, note):

  1342.         if self.fControlChannel >= 0:

  1343.             self.host.send_midi_note(self.fPluginId, self.fControlChannel, note, 0)

  1344. 

  1345.         if self.fParent is not None:

  1346.             self.fParent.editDialogNoteReleased(self.fPluginId, note)

  1347. 

  1348.     #------------------------------------------------------------------

  1349. 

  1350.     @pyqtSlot()

  1351.     def slot_finished(self):

  1352.         if self.fParent is not None:

  1353.             self.fParent.editDialogVisibilityChanged(self.fPluginId, False)

  1354. 

  1355.     #------------------------------------------------------------------

  1356. 

  1357.     @pyqtSlot()

  1358.     def slot_knobCustomMenu(self):

  1359.         sender   = self.sender()

  1360.         knobName = sender.objectName()

  1361. 

  1362.         if knobName == "dial_drywet":

  1363.             minimum = 0.0

  1364.             maximum = 1.0

  1365.             default = 1.0

  1366.             label   = "Dry/Wet"

  1367.         elif knobName == "dial_vol":

  1368.             minimum = 0.0

  1369.             maximum = 1.27

  1370.             default = 1.0

  1371.             label   = "Volume"

  1372.         elif knobName == "dial_b_left":

  1373.             minimum = -1.0

  1374.             maximum = 1.0

  1375.             default = -1.0

  1376.             label   = "Balance-Left"

  1377.         elif knobName == "dial_b_right":

  1378.             minimum = -1.0

  1379.             maximum = 1.0

  1380.             default = 1.0

  1381.             label   = "Balance-Right"

  1382.         elif knobName == "dial_pan":

  1383.             minimum = -1.0

  1384.             maximum = 1.0

  1385.             default = 0.0

  1386.             label   = "Panning"

  1387.         else:

  1388.             minimum = 0.0

  1389.             maximum = 1.0

  1390.             default = 0.5

  1391.             label   = "Unknown"

  1392. 

  1393.         menu = QMenu(self)

  1394.         actReset = menu.addAction(self.tr("Reset (%i%%)" % (default*100)))

  1395.         menu.addSeparator()

  1396.         actMinimum = menu.addAction(self.tr("Set to Minimum (%i%%)" % (minimum*100)))

  1397.         actCenter  = menu.addAction(self.tr("Set to Center"))

  1398.         actMaximum = menu.addAction(self.tr("Set to Maximum (%i%%)" % (maximum*100)))

  1399.         menu.addSeparator()

  1400.         actSet = menu.addAction(self.tr("Set value..."))

  1401. 

  1402.         if label not in ("Balance-Left", "Balance-Right", "Panning"):

  1403.             menu.removeAction(actCenter)

  1404. 

  1405.         actSelected = menu.exec_(QCursor.pos())

  1406. 

  1407.         if actSelected == actSet:

  1408.             current   = minimum + (maximum-minimum)*(float(sender.value())/10000)

  1409.             value, ok = QInputDialog.getInt(self, self.tr("Set value"), label, round(current*100.0), round(minimum*100.0), round(maximum*100.0), 1)

  1410.             if ok: value = float(value)/100.0

  1411. 

  1412.             if not ok:

  1413.                 return

  1414. 

  1415.         elif actSelected == actMinimum:

  1416.             value = minimum

  1417.         elif actSelected == actMaximum:

  1418.             value = maximum

  1419.         elif actSelected == actReset:

  1420.             value = default

  1421.         elif actSelected == actCenter:

  1422.             value = 0.0

  1423.         else:

  1424.             return

  1425. 

  1426.         sender.setValue(value, True)

  1427. 

  1428.     #------------------------------------------------------------------

  1429. 

  1430.     @pyqtSlot()

  1431.     def slot_channelCustomMenu(self):

  1432.         menu = QMenu(self)

  1433. 

  1434.         actNone = menu.addAction(self.tr("None"))

  1435. 

  1436.         if self.fControlChannel+1 == 0:

  1437.             actNone.setCheckable(True)

  1438.             actNone.setChecked(True)

  1439. 

  1440.         for i in range(1, 16+1):

  1441.             action = menu.addAction("%i" % i)

  1442. 

  1443.             if self.fControlChannel+1 == i:

  1444.                 action.setCheckable(True)

  1445.                 action.setChecked(True)

  1446. 

  1447.         actSel = menu.exec_(QCursor.pos())

  1448. 

  1449.         if not actSel:

  1450.             pass

  1451.         elif actSel == actNone:

  1452.             self.ui.sb_ctrl_channel.setValue(0)

  1453.         elif actSel:

  1454.             selChannel = int(actSel.text())

  1455.             self.ui.sb_ctrl_channel.setValue(selChannel)

  1456. 

  1457.     #------------------------------------------------------------------

  1458. 

  1459.     def _createParameterWidgets(self, paramType, paramListFull, tabPageName):

  1460.         i = 1

  1461.         for paramList, width in paramListFull:

  1462.             if len(paramList) == 0:

  1463.                 break

  1464. 

  1465.             tabIndex         = self.ui.tabWidget.count()

  1466.             tabPageContainer = QWidget(self.ui.tabWidget)

  1467.             tabPageLayout    = QVBoxLayout(tabPageContainer)

  1468.             tabPageLayout.setSpacing(1)

  1469.             tabPageContainer.setLayout(tabPageLayout)

  1470. 

  1471.             for paramInfo in paramList:

  1472.                 paramWidget = PluginParameter(tabPageContainer, self.host, paramInfo, self.fPluginId, tabIndex)

  1473.                 paramWidget.setLabelWidth(width)

  1474.                 tabPageLayout.addWidget(paramWidget)

  1475. 

  1476.                 self.fParameterList.append((paramType, paramInfo['index'], paramWidget))

  1477. 

  1478.                 if paramType == PARAMETER_INPUT:

  1479.                     paramWidget.valueChanged.connect(self.slot_parameterValueChanged)

  1480. 

  1481.                 paramWidget.midiControlChanged.connect(self.slot_parameterMidiControlChanged)

  1482.                 paramWidget.midiChannelChanged.connect(self.slot_parameterMidiChannelChanged)

  1483. 

  1484.             tabPageLayout.addStretch()

  1485. 

  1486.             self.ui.tabWidget.addTab(tabPageContainer, "%s (%i)" % (tabPageName, i))

  1487.             i += 1

  1488. 

  1489.             if paramType == PARAMETER_INPUT:

  1490.                 self.ui.tabWidget.setTabIcon(tabIndex, self.fTabIconOff)

  1491. 

  1492.             self.fTabIconTimers.append(ICON_STATE_NULL)

  1493. 

  1494.     def _updateCtrlPrograms(self):

  1495.         self.ui.keyboard.setEnabled(self.fControlChannel >= 0)

  1496. 

  1497.         if self.fPluginInfo['category'] != PLUGIN_CATEGORY_SYNTH or self.fPluginInfo['type'] not in (PLUGIN_INTERNAL, PLUGIN_SF2):

  1498.             return

  1499. 

  1500.         if self.fControlChannel < 0:

  1501.             self.ui.cb_programs.setEnabled(False)

  1502.             self.ui.cb_midi_programs.setEnabled(False)

  1503.             return

  1504. 

  1505.         self.ui.cb_programs.setEnabled(True)

  1506.         self.ui.cb_midi_programs.setEnabled(True)

  1507. 

  1508.         pIndex = self.host.get_current_program_index(self.fPluginId)

  1509. 

  1510.         if self.ui.cb_programs.currentIndex() != pIndex:

  1511.             self.setProgram(pIndex)

  1512. 

  1513.         mpIndex = self.host.get_current_midi_program_index(self.fPluginId)

  1514. 

  1515.         if self.ui.cb_midi_programs.currentIndex() != mpIndex:

  1516.             self.setMidiProgram(mpIndex)

  1517. 

  1518.     def _updateParameterValues(self):

  1519.         for paramType, paramId, paramWidget in self.fParameterList:

  1520.             paramWidget.blockSignals(True)

  1521.             paramWidget.setValue(self.host.get_current_parameter_value(self.fPluginId, paramId))

  1522.             paramWidget.blockSignals(False)

  1523. 

  1524.     #------------------------------------------------------------------

  1525. 

  1526.     def testTimer(self):

  1527.         self.fIdleTimerId = self.startTimer(50)

  1528. 

  1529.         self.SIGTERM.connect(self.testTimerClose)

  1530.         gCarla.gui = self

  1531.         setUpSignals()

  1532. 

  1533.     def testTimerClose(self):

  1534.         self.close()

  1535.         app.quit()

  1536. 

  1537.     #------------------------------------------------------------------

  1538. 

  1539.     def closeEvent(self, event):

  1540.         if self.fIdleTimerId != 0:

  1541.             self.killTimer(self.fIdleTimerId)

  1542.             self.fIdleTimerId = 0

  1543. 

  1544.             self.host.engine_close()

  1545. 

  1546.         QDialog.closeEvent(self, event)

  1547. 

  1548.     def timerEvent(self, event):

  1549.         if event.timerId() == self.fIdleTimerId:

  1550.             self.host.engine_idle()

  1551.             self.idleSlow()

  1552. 

  1553.         QDialog.timerEvent(self, event)

  1554. 

  1555.     def done(self, r):

  1556.         QDialog.done(self, r)

  1557.         self.close()

  1558. 

  1559. # ------------------------------------------------------------------------------------------------------------

  1560. # Main

  1561. 

  1562. if __name__ == '__main__':

  1563.     from carla_app import CarlaApplication

  1564.     from carla_host import initHost, loadHostSettings

  1565. 

  1566.     app  = CarlaApplication()

  1567.     host = initHost("Widgets", None, False, False, False)

  1568.     loadHostSettings(host)

  1569. 

  1570.     host.engine_init("JACK", "Carla-Widgets")

  1571.     host.add_plugin(BINARY_NATIVE, PLUGIN_DSSI, "/usr/lib/dssi/karplong.so", "karplong", "karplong", 0, None, 0x0)

  1572.     host.set_active(0, True)

  1573. 

  1574.     gui1 = CarlaAboutW(None, host)

  1575.     gui1.show()

  1576. 

  1577.     gui2 = PluginEdit(None, host, 0)

  1578.     gui2.testTimer()

  1579.     gui2.show()

  1580. 

  1581.     app.exit_exec()