Audio plugin host https://kx.studio/carla
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  1. #!/usr/bin/env python3
  2. # -*- coding: utf-8 -*-
  3. # Carla plugin host
  4. # Copyright (C) 2011-2014 Filipe Coelho <falktx@falktx.com>
  5. #
  6. # This program is free software; you can redistribute it and/or
  7. # modify it under the terms of the GNU General Public License as
  8. # published by the Free Software Foundation; either version 2 of
  9. # the License, or any later version.
  10. #
  11. # This program is distributed in the hope that it will be useful,
  12. # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. # GNU General Public License for more details.
  15. #
  16. # For a full copy of the GNU General Public License see the GPL.txt file
  17. # ------------------------------------------------------------------------------------------------------------
  18. # Imports (Config)
  19. from carla_config import *
  20. # ------------------------------------------------------------------------------------------------------------
  21. # Imports (Global)
  22. if config_UseQt5:
  23. from PyQt5.QtWidgets import QLabel, QTabWidget
  24. else:
  25. from PyQt4.QtGui import QLabel, QTabWidget
  26. # ------------------------------------------------------------------------------------------------------------
  27. # Imports (Custom Stuff)
  28. from carla_host import *
  29. from carla_patchbay import CarlaPatchbayW
  30. from carla_rack import CarlaRackW
  31. # ------------------------------------------------------------------------------------------------------------
  32. # Tab widget (rack + patchbay)
  33. class CarlaMultiW(QTabWidget):
  34. def __init__(self, parent):
  35. QTabWidget.__init__(self, parent)
  36. self.fRack = CarlaRackW(parent, False)
  37. self.fPatchbay = CarlaPatchbayW(parent, False, False)
  38. self.fParent = parent
  39. self.fUseCustomPaint = False
  40. self.addTab(self.fRack, "Plugins")
  41. self.addTab(self.fPatchbay, "Patchbay")
  42. #self.fPatchbay.hide()
  43. #self.removeTab(1)
  44. #self.fPatchbay.setParent(None)
  45. #self.fPatchbay.show()
  46. self.scene = self.fPatchbay.scene
  47. parent.ui.act_plugins_enable.triggered.connect(self.fRack.slot_pluginsEnable)
  48. parent.ui.act_plugins_disable.triggered.connect(self.fRack.slot_pluginsDisable)
  49. parent.ui.act_plugins_volume100.triggered.connect(self.fRack.slot_pluginsVolume100)
  50. parent.ui.act_plugins_mute.triggered.connect(self.fRack.slot_pluginsMute)
  51. parent.ui.act_plugins_wet100.triggered.connect(self.fRack.slot_pluginsWet100)
  52. parent.ui.act_plugins_bypass.triggered.connect(self.fRack.slot_pluginsBypass)
  53. parent.ui.act_plugins_center.triggered.connect(self.fRack.slot_pluginsCenter)
  54. parent.ui.act_plugins_panic.triggered.connect(self.fRack.slot_pluginsDisable)
  55. parent.ui.act_canvas_arrange.setEnabled(False) # TODO, later
  56. parent.ui.act_canvas_arrange.triggered.connect(self.fPatchbay.slot_canvasArrange)
  57. parent.ui.act_canvas_refresh.triggered.connect(self.fPatchbay.slot_canvasRefresh)
  58. parent.ui.act_canvas_zoom_fit.triggered.connect(self.fPatchbay.slot_canvasZoomFit)
  59. parent.ui.act_canvas_zoom_in.triggered.connect(self.fPatchbay.slot_canvasZoomIn)
  60. parent.ui.act_canvas_zoom_out.triggered.connect(self.fPatchbay.slot_canvasZoomOut)
  61. parent.ui.act_canvas_zoom_100.triggered.connect(self.fPatchbay.slot_canvasZoomReset)
  62. parent.ui.act_canvas_print.triggered.connect(self.fPatchbay.slot_canvasPrint)
  63. parent.ui.act_canvas_save_image.triggered.connect(self.fPatchbay.slot_canvasSaveImage)
  64. parent.ui.act_settings_configure.triggered.connect(self.fPatchbay.slot_configureCarla)
  65. parent.ParameterValueChangedCallback.connect(self.fRack.slot_handleParameterValueChangedCallback)
  66. parent.ParameterDefaultChangedCallback.connect(self.fRack.slot_handleParameterDefaultChangedCallback)
  67. parent.ParameterMidiChannelChangedCallback.connect(self.fRack.slot_handleParameterMidiChannelChangedCallback)
  68. parent.ParameterMidiCcChangedCallback.connect(self.fRack.slot_handleParameterMidiCcChangedCallback)
  69. parent.ProgramChangedCallback.connect(self.fRack.slot_handleProgramChangedCallback)
  70. parent.MidiProgramChangedCallback.connect(self.fRack.slot_handleMidiProgramChangedCallback)
  71. parent.UiStateChangedCallback.connect(self.fRack.slot_handleUiStateChangedCallback)
  72. parent.NoteOnCallback.connect(self.fRack.slot_handleNoteOnCallback)
  73. parent.NoteOnCallback.connect(self.fPatchbay.slot_handleNoteOnCallback)
  74. parent.NoteOffCallback.connect(self.fRack.slot_handleNoteOffCallback)
  75. parent.NoteOffCallback.connect(self.fPatchbay.slot_handleNoteOffCallback)
  76. parent.UpdateCallback.connect(self.fRack.slot_handleUpdateCallback)
  77. parent.ReloadInfoCallback.connect(self.fRack.slot_handleReloadInfoCallback)
  78. parent.ReloadParametersCallback.connect(self.fRack.slot_handleReloadParametersCallback)
  79. parent.ReloadProgramsCallback.connect(self.fRack.slot_handleReloadProgramsCallback)
  80. parent.ReloadAllCallback.connect(self.fRack.slot_handleReloadAllCallback)
  81. parent.PatchbayClientAddedCallback.connect(self.fPatchbay.slot_handlePatchbayClientAddedCallback)
  82. parent.PatchbayClientRemovedCallback.connect(self.fPatchbay.slot_handlePatchbayClientRemovedCallback)
  83. parent.PatchbayClientRenamedCallback.connect(self.fPatchbay.slot_handlePatchbayClientRenamedCallback)
  84. parent.PatchbayClientDataChangedCallback.connect(self.fPatchbay.slot_handlePatchbayClientDataChangedCallback)
  85. parent.PatchbayPortAddedCallback.connect(self.fPatchbay.slot_handlePatchbayPortAddedCallback)
  86. parent.PatchbayPortRemovedCallback.connect(self.fPatchbay.slot_handlePatchbayPortRemovedCallback)
  87. parent.PatchbayPortRenamedCallback.connect(self.fPatchbay.slot_handlePatchbayPortRenamedCallback)
  88. parent.PatchbayConnectionAddedCallback.connect(self.fPatchbay.slot_handlePatchbayConnectionAddedCallback)
  89. parent.PatchbayConnectionRemovedCallback.connect(self.fPatchbay.slot_handlePatchbayConnectionRemovedCallback)
  90. # -----------------------------------------------------------------
  91. def getPluginCount(self):
  92. return self.fRack.getPluginCount()
  93. # -----------------------------------------------------------------
  94. def addPlugin(self, pluginId, isProjectLoading):
  95. self.fRack.addPlugin(pluginId, isProjectLoading)
  96. self.fPatchbay.addPlugin(pluginId, isProjectLoading)
  97. def removePlugin(self, pluginId):
  98. self.fRack.removePlugin(pluginId)
  99. self.fPatchbay.removePlugin(pluginId)
  100. def renamePlugin(self, pluginId, newName):
  101. self.fRack.renamePlugin(pluginId, newName)
  102. def disablePlugin(self, pluginId, errorMsg):
  103. self.fRack.disablePlugin(pluginId, errorMsg)
  104. def removeAllPlugins(self):
  105. self.fRack.removeAllPlugins()
  106. self.fPatchbay.removeAllPlugins()
  107. # -----------------------------------------------------------------
  108. def engineStarted(self):
  109. #self.fRack.engineStarted()
  110. #self.fPatchbay.engineStarted()
  111. self.fParent.engineChanged()
  112. def engineStopped(self):
  113. #self.fRack.engineStopped()
  114. self.fPatchbay.engineStopped()
  115. self.fParent.engineStopped()
  116. def engineChanged(self):
  117. self.fParent.engineChanged()
  118. # -----------------------------------------------------------------
  119. def idleFast(self):
  120. self.fRack.idleFast()
  121. self.fPatchbay.idleFast()
  122. def idleSlow(self):
  123. self.fRack.idleSlow()
  124. # -----------------------------------------------------------------
  125. def projectLoadingStarted(self):
  126. self.fRack.projectLoadingStarted()
  127. #self.fPatchbay.projectLoadingStarted()
  128. def projectLoadingFinished(self):
  129. self.fRack.projectLoadingFinished()
  130. self.fPatchbay.projectLoadingFinished()
  131. # -----------------------------------------------------------------
  132. def saveSettings(self, settings):
  133. self.fPatchbay.saveSettings(settings)
  134. def showEditDialog(self, pluginId):
  135. self.fRack.showEditDialog(pluginId)
  136. # -----------------------------------------------------------------
  137. def fixCanvasPreviewSize(self):
  138. self.fPatchbay.resize(self.fRack.size())
  139. self.fPatchbay.slot_miniCanvasCheckSize()
  140. def setUseCustomPaint(self, useCustomPaint):
  141. if self.fUseCustomPaint != useCustomPaint:
  142. self.fUseCustomPaint = useCustomPaint
  143. self.update()
  144. def paintEvent(self, event):
  145. QTabWidget.paintEvent(self, event)
  146. if not self.fUseCustomPaint:
  147. return
  148. painter = QPainter(self)
  149. painter.setBrush(QColor(36, 36, 36))
  150. painter.setPen(QColor(62, 62, 62))
  151. painter.drawRect(1, self.height()/2, self.width()-3, self.height()-self.height()/2-1)
  152. def resizeEvent(self, event):
  153. QTabWidget.resizeEvent(self, event)
  154. if self.currentIndex() == 0:
  155. self.fixCanvasPreviewSize()
  156. # ------------------------------------------------------------------------------------------------------------
  157. # Main Window
  158. class CarlaHostW(HostWindow):
  159. def __init__(self, parent=None):
  160. HostWindow.__init__(self, parent)
  161. # -------------------------------------------------------------
  162. # Set-up container
  163. self.fContainer = CarlaMultiW(self)
  164. self.setupContainer(True, self.fContainer.fPatchbay.themeData)
  165. self.fContainer.setUseCustomPaint(self.fSavedSettings[CARLA_KEY_CUSTOM_PAINTING])
  166. # -------------------------------------------------------------
  167. # Set-up GUI stuff
  168. self.fInfoText = ""
  169. self.fInfoLabel = QLabel(self)
  170. self.fInfoLabel.setAlignment(Qt.AlignRight|Qt.AlignVCenter)
  171. self.fInfoLabel.setText("Engine stopped")
  172. if MACOS and False: # TODO: check if NOT using pro theme
  173. self.fInfoLabel.hide()
  174. self.setUnifiedTitleAndToolBarOnMac(True)
  175. # -------------------------------------------------------------
  176. self.ui.act_settings_show_toolbar.triggered.connect(self.slot_toolbarShown)
  177. self.ui.splitter.splitterMoved.connect(self.slot_splitterMoved)
  178. QTimer.singleShot(0, self.slot_initWidgets)
  179. # -----------------------------------------------------------------
  180. def engineStopped(self):
  181. self.fInfoText = ""
  182. self.fInfoLabel.setText("Engine stopped")
  183. def engineChanged(self):
  184. self.fInfoText = "Engine running | SampleRate: %g | BufferSize: %i" % (gCarla.sampleRate, gCarla.bufferSize)
  185. self.fInfoLabel.setText("%s | %s" % (self.fInfoText, self.fTextTransport))
  186. # -----------------------------------------------------------------
  187. def updateInfoLabelXandSize(self):
  188. tabBar = self.fContainer.tabBar()
  189. x = tabBar.width() + self.ui.tabUtils.width() + 20
  190. self.fInfoLabel.move(x, self.fInfoLabel.y())
  191. self.fInfoLabel.resize(self.fContainer.width()-tabBar.width()-20, self.fInfoLabel.height())
  192. def updateInfoLabelY(self):
  193. tabBar = self.fContainer.tabBar()
  194. y = tabBar.mapFromParent(self.ui.centralwidget.pos()).y()
  195. if not self.ui.toolBar.isVisible():
  196. y -= self.ui.toolBar.height()
  197. self.fInfoLabel.move(self.fInfoLabel.x(), y)
  198. # -----------------------------------------------------------------
  199. @pyqtSlot()
  200. def slot_initWidgets(self):
  201. tabBar = self.fContainer.tabBar()
  202. x = tabBar.width() + self.ui.tabUtils.width() + 20
  203. y = tabBar.mapFromParent(self.ui.centralwidget.pos()).y()
  204. self.fInfoLabel.move(x, y)
  205. self.fInfoLabel.resize(self.fContainer.width()-tabBar.width()-20, tabBar.height())
  206. # FIXME: Qt4 needs this so it properly creates & resizes the canvas
  207. self.fContainer.setCurrentIndex(1)
  208. self.fContainer.setCurrentIndex(0)
  209. self.fContainer.fixCanvasPreviewSize()
  210. @pyqtSlot()
  211. def slot_splitterMoved(self):
  212. self.updateInfoLabelXandSize()
  213. @pyqtSlot()
  214. def slot_toolbarShown(self):
  215. self.updateInfoLabelY()
  216. # -----------------------------------------------------------------
  217. def resizeEvent(self, event):
  218. HostWindow.resizeEvent(self, event)
  219. self.updateInfoLabelXandSize()
  220. def timerEvent(self, event):
  221. HostWindow.timerEvent(self, event)
  222. if event.timerId() == self.fIdleTimerFast:
  223. self.fInfoLabel.setText("%s | %s" % (self.fInfoText, self.fTextTransport))
  224. # ------------------------------------------------------------------------------------------------------------
  225. # Main
  226. if __name__ == '__main__':
  227. # -------------------------------------------------------------
  228. # App initialization
  229. app = CarlaApplication()
  230. # -------------------------------------------------------------
  231. # Set-up custom signal handling
  232. setUpSignals()
  233. # -------------------------------------------------------------
  234. # Read CLI args
  235. appName = os.path.basename(__file__) if ("__file__" in dir() and os.path.dirname(__file__) in PATH) else sys.argv[0]
  236. libPrefix = None
  237. projectFilename = None
  238. argv = app.arguments()
  239. argc = len(argv)
  240. for i in range(argc):
  241. if i == 0: continue
  242. argument = argv[i]
  243. if argument.startswith("--with-appname="):
  244. appName = os.path.basename(argument.replace("--with-appname=", ""))
  245. elif argument.startswith("--with-libprefix="):
  246. libPrefix = argument.replace("--with-libprefix=", "")
  247. elif os.path.exists(argument):
  248. projectFilename = argument
  249. if libPrefix is not None:
  250. app.addLibraryPath(os.path.join(libPrefix, "lib", "carla"))
  251. # -------------------------------------------------------------
  252. # Init host backend
  253. gCarla.isControl = False
  254. gCarla.isLocal = True
  255. gCarla.isPlugin = False
  256. initHost(appName, libPrefix)
  257. # -------------------------------------------------------------
  258. # Create GUI
  259. gCarla.gui = CarlaHostW()
  260. # set our gui as parent for all plugins UIs
  261. gCarla.host.set_engine_option(ENGINE_OPTION_FRONTEND_WIN_ID, 0, str(gCarla.gui.winId()))
  262. # -------------------------------------------------------------
  263. # Load project file if set
  264. if projectFilename is not None:
  265. gCarla.gui.loadProjectLater(projectFilename)
  266. # -------------------------------------------------------------
  267. # Show GUI
  268. gCarla.gui.show()
  269. # -------------------------------------------------------------
  270. # App-Loop
  271. sys.exit(app.exec_())