#!/usr/bin/env python3 # SPDX-FileCopyrightText: 2011-2024 Filipe Coelho # SPDX-License-Identifier: GPL-2.0-or-later # ------------------------------------------------------------------------------------------------------------ # Imports (Global) # ------------------------------------------------------------------------------------------------------------ # Imports (ctypes) from ctypes import ( c_bool, c_char, c_char_p, c_int, c_uint, c_uint64, c_void_p, cast, cdll, Structure, POINTER ) try: from sip import unwrapinstance except ImportError: def unwrapinstance(_): return None # ------------------------------------------------------------------------------------------------------------ # Imports (Custom) from carla_backend import ( structToDict ) # --------------------------------------------------------------------------------------------------------------------- # Convert a ctypes struct into a python dict, or None if null def structToDictOrNull(struct): return structToDict(struct.contents) if struct else None # ------------------------------------------------------------------------------------------------------------ # Carla Frontend API (C stuff) class JackApplicationDialogResults(Structure): _fields_ = [ ("command", c_char_p), ("name", c_char_p), ("labelSetup", c_char_p) ] class HostSettings(Structure): _fields_ = [ ("showPluginBridges", c_bool), ("showWineBridges", c_bool), ("useSystemIcons", c_bool), ("wineAutoPrefix", c_bool), ("wineExecutable", c_char_p), ("wineFallbackPrefix", c_char_p), ] class PluginListDialogResults(Structure): _fields_ = [ ("build", c_uint), ("type", c_uint), ("hints", c_uint), ("category", c_char_p), ("filename", c_char_p), ("name", c_char_p), ("label", c_char_p), ("maker", c_char_p), ("uniqueId", c_uint64), ("audioIns", c_uint), ("audioOuts", c_uint), ("cvIns", c_uint), ("cvOuts", c_uint), ("midiIns", c_uint), ("midiOuts", c_uint), ("parametersIns", c_uint), ("parametersOuts", c_uint), ] # ------------------------------------------------------------------------------------------------------------ # Carla Frontend object using a DLL class CarlaFrontendLib(): def __init__(self, filename): self.lib = cdll.LoadLibrary(filename) self.lib.carla_frontend_createAndExecJackAppDialog.argtypes = (c_void_p, c_char_p) self.lib.carla_frontend_createAndExecJackAppDialog.restype = POINTER(JackApplicationDialogResults) self.lib.carla_frontend_createPluginListDialog.argtypes = (c_void_p, POINTER(HostSettings)) self.lib.carla_frontend_createPluginListDialog.restype = c_void_p self.lib.carla_frontend_destroyPluginListDialog.argtypes = (c_void_p,) self.lib.carla_frontend_destroyPluginListDialog.restype = None self.lib.carla_frontend_setPluginListDialogPath.argtypes = (c_void_p, c_int, c_char_p) self.lib.carla_frontend_setPluginListDialogPath.restype = None self.lib.carla_frontend_execPluginListDialog.argtypes = (c_void_p,) self.lib.carla_frontend_execPluginListDialog.restype = POINTER(PluginListDialogResults) # -------------------------------------------------------------------------------------------------------- def createAndExecJackAppDialog(self, parent, projectFilename): return structToDictOrNull(self.lib.carla_frontend_createAndExecJackAppDialog(unwrapinstance(parent), projectFilename.encode("utf-8"))) def createPluginListDialog(self, parent, hostSettings): hostSettingsC = HostSettings() hostSettingsC.showPluginBridges = hostSettings['showPluginBridges'] hostSettingsC.showWineBridges = hostSettings['showWineBridges'] hostSettingsC.useSystemIcons = hostSettings['useSystemIcons'] hostSettingsC.wineAutoPrefix = hostSettings['wineAutoPrefix'] hostSettingsC.wineExecutable = hostSettings['wineExecutable'].encode("utf-8") hostSettingsC.wineFallbackPrefix = hostSettings['wineFallbackPrefix'].encode("utf-8") return self.lib.carla_frontend_createPluginListDialog(unwrapinstance(parent), hostSettingsC) def destroyPluginListDialog(self, dialog): self.lib.carla_frontend_destroyPluginListDialog(dialog) def setPluginListDialogPath(self, dialog, ptype, path): self.lib.carla_frontend_setPluginListDialogPath(dialog, ptype, path.encode("utf-8")) def execPluginListDialog(self, dialog): return structToDictOrNull(self.lib.carla_frontend_execPluginListDialog(dialog)) # ------------------------------------------------------------------------------------------------------------