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Carla
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Carla/source/frontend/carla_shared.py

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  1. #!/usr/bin/env python3

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

  3. 

  4. # Common Carla code

  5. # Copyright (C) 2011-2020 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. # Config

  21. 

  22. # These will be modified during install

  23. X_LIBDIR_X = None

  24. X_DATADIR_X = None

  25. 

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

  27. # Imports (Global)

  28. 

  29. import os

  30. import sys

  31. 

  32. from PyQt5.Qt import PYQT_VERSION_STR

  33. from PyQt5.QtCore import qFatal, QT_VERSION, QT_VERSION_STR, qWarning, QDir, QSettings

  34. from PyQt5.QtGui import QIcon

  35. from PyQt5.QtWidgets import QFileDialog, QMessageBox

  36. 

  37. # ------------------------------------------------------------------------------------------------------------

  38. # Import Signal

  39. 

  40. from signal import signal, SIGINT, SIGTERM

  41. 

  42. try:

  43.     from signal import SIGUSR1

  44.     haveSIGUSR1 = True

  45. except:

  46.     haveSIGUSR1 = False

  47. 

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

  49. # Imports (Custom)

  50. 

  51. from carla_backend_qt import *

  52. 

  53. # ------------------------------------------------------------------------------------------------------------

  54. # Platform specific stuff

  55. 

  56. if WINDOWS:

  57.     WINDIR = os.getenv("WINDIR")

  58. 

  59. # ------------------------------------------------------------------------------------------------------------

  60. # Set Version

  61. 

  62. VERSION = "2.0.95 (2.1-beta1)"

  63. 

  64. # ------------------------------------------------------------------------------------------------------------

  65. # Set TMP

  66. 

  67. envTMP = os.getenv("TMP")

  68. 

  69. if envTMP is None:

  70.     if WINDOWS:

  71.         qWarning("TMP variable not set")

  72.     TMP = QDir.tempPath()

  73. else:

  74.     TMP = envTMP

  75. 

  76. if not os.path.exists(TMP):

  77.     qWarning("TMP does not exist")

  78.     TMP = "/"

  79. 

  80. del envTMP

  81. 

  82. # ------------------------------------------------------------------------------------------------------------

  83. # Set HOME

  84. 

  85. envHOME = os.getenv("HOME")

  86. 

  87. if envHOME is None:

  88.     if LINUX or MACOS:

  89.         qWarning("HOME variable not set")

  90.     HOME = QDir.toNativeSeparators(QDir.homePath())

  91. else:

  92.     HOME = envHOME

  93. 

  94. if not os.path.exists(HOME):

  95.     qWarning("HOME does not exist")

  96.     HOME = TMP

  97. 

  98. del envHOME

  99. 

  100. # ------------------------------------------------------------------------------------------------------------

  101. # Set PATH

  102. 

  103. envPATH = os.getenv("PATH")

  104. 

  105. if envPATH is None:

  106.     qWarning("PATH variable not set")

  107.     if MACOS:

  108.         PATH = ("/opt/local/bin", "/usr/local/bin", "/usr/bin", "/bin")

  109.     elif WINDOWS:

  110.         PATH = (os.path.join(WINDIR, "system32"), WINDIR)

  111.     else:

  112.         PATH = ("/usr/local/bin", "/usr/bin", "/bin")

  113. else:

  114.     PATH = envPATH.split(os.pathsep)

  115. 

  116. del envPATH

  117. 

  118. # ------------------------------------------------------------------------------------------------------------

  119. # Static MIDI CC list

  120. 

  121. MIDI_CC_LIST = (

  122.     "01 [0x01] Modulation",

  123.     "02 [0x02] Breath",

  124.     "04 [0x04] Foot",

  125.     "05 [0x05] Portamento",

  126.     "07 [0x07] Volume",

  127.     "02 [0x08] Balance",

  128.     "10 [0x0A] Pan",

  129.     "11 [0x0B] Expression",

  130.     "12 [0x0C] FX Control 1",

  131.     "13 [0x0D] FX Control 2",

  132.     "16 [0x10] General Purpose 1",

  133.     "17 [0x11] General Purpose 2",

  134.     "18 [0x12] General Purpose 3",

  135.     "19 [0x13] General Purpose 4",

  136.     "70 [0x46] Control 1 [Variation]",

  137.     "71 [0x47] Control 2 [Timbre]",

  138.     "72 [0x48] Control 3 [Release]",

  139.     "73 [0x49] Control 4 [Attack]",

  140.     "74 [0x4A] Control 5 [Brightness]",

  141.     "75 [0x4B] Control 6 [Decay]",

  142.     "76 [0x4C] Control 7 [Vib Rate]",

  143.     "77 [0x4D] Control 8 [Vib Depth]",

  144.     "78 [0x4E] Control 9 [Vib Delay]",

  145.     "79 [0x4F] Control 10 [Undefined]",

  146.     "80 [0x50] General Purpose 5",

  147.     "81 [0x51] General Purpose 6",

  148.     "82 [0x52] General Purpose 7",

  149.     "83 [0x53] General Purpose 8",

  150.     "84 [0x54] Portamento Control",

  151.     "91 [0x5B] FX 1 Depth [Reverb]",

  152.     "92 [0x5C] FX 2 Depth [Tremolo]",

  153.     "93 [0x5D] FX 3 Depth [Chorus]",

  154.     "94 [0x5E] FX 4 Depth [Detune]",

  155.     "95 [0x5F] FX 5 Depth [Phaser]"

  156. )

  157. 

  158. MAX_MIDI_CC_LIST_ITEM = 95

  159. 

  160. # ------------------------------------------------------------------------------------------------------------

  161. # PatchCanvas defines

  162. 

  163. CANVAS_ANTIALIASING_SMALL = 1

  164. CANVAS_EYECANDY_SMALL     = 1

  165. 

  166. # ------------------------------------------------------------------------------------------------------------

  167. # Carla Settings keys

  168. 

  169. CARLA_KEY_MAIN_PROJECT_FOLDER   = "Main/ProjectFolder"   # str

  170. CARLA_KEY_MAIN_USE_PRO_THEME    = "Main/UseProTheme"     # bool

  171. CARLA_KEY_MAIN_PRO_THEME_COLOR  = "Main/ProThemeColor"   # str

  172. CARLA_KEY_MAIN_REFRESH_INTERVAL = "Main/RefreshInterval" # int

  173. CARLA_KEY_MAIN_CONFIRM_EXIT     = "Main/ConfirmExit"     # bool

  174. CARLA_KEY_MAIN_SHOW_LOGS        = "Main/ShowLogs"        # bool

  175. CARLA_KEY_MAIN_EXPERIMENTAL     = "Main/Experimental"    # bool

  176. 

  177. CARLA_KEY_CANVAS_THEME             = "Canvas/Theme"           # str

  178. CARLA_KEY_CANVAS_SIZE              = "Canvas/Size"            # str "NxN"

  179. CARLA_KEY_CANVAS_USE_BEZIER_LINES  = "Canvas/UseBezierLines"  # bool

  180. CARLA_KEY_CANVAS_AUTO_HIDE_GROUPS  = "Canvas/AutoHideGroups"  # bool

  181. CARLA_KEY_CANVAS_AUTO_SELECT_ITEMS = "Canvas/AutoSelectItems" # bool

  182. CARLA_KEY_CANVAS_EYE_CANDY         = "Canvas/EyeCandy2"       # bool

  183. CARLA_KEY_CANVAS_FANCY_EYE_CANDY   = "Canvas/FancyEyeCandy"   # bool

  184. CARLA_KEY_CANVAS_USE_OPENGL        = "Canvas/UseOpenGL"       # bool

  185. CARLA_KEY_CANVAS_ANTIALIASING      = "Canvas/Antialiasing"    # enum

  186. CARLA_KEY_CANVAS_HQ_ANTIALIASING   = "Canvas/HQAntialiasing"  # bool

  187. CARLA_KEY_CANVAS_INLINE_DISPLAYS   = "Canvas/InlineDisplays"  # bool

  188. CARLA_KEY_CANVAS_FULL_REPAINTS     = "Canvas/FullRepaints"    # bool

  189. 

  190. CARLA_KEY_ENGINE_DRIVER_PREFIX         = "Engine/Driver-"

  191. CARLA_KEY_ENGINE_AUDIO_DRIVER          = "Engine/AudioDriver"         # str

  192. CARLA_KEY_ENGINE_PROCESS_MODE          = "Engine/ProcessMode"         # enum

  193. CARLA_KEY_ENGINE_TRANSPORT_MODE        = "Engine/TransportMode"       # enum

  194. CARLA_KEY_ENGINE_TRANSPORT_EXTRA       = "Engine/TransportExtra"      # str

  195. CARLA_KEY_ENGINE_FORCE_STEREO          = "Engine/ForceStereo"         # bool

  196. CARLA_KEY_ENGINE_PREFER_PLUGIN_BRIDGES = "Engine/PreferPluginBridges" # bool

  197. CARLA_KEY_ENGINE_PREFER_UI_BRIDGES     = "Engine/PreferUiBridges"     # bool

  198. CARLA_KEY_ENGINE_MANAGE_UIS            = "Engine/ManageUIs"           # bool

  199. CARLA_KEY_ENGINE_UIS_ALWAYS_ON_TOP     = "Engine/UIsAlwaysOnTop"      # bool

  200. CARLA_KEY_ENGINE_MAX_PARAMETERS        = "Engine/MaxParameters"       # int

  201. CARLA_KEY_ENGINE_RESET_XRUNS           = "Engine/ResetXruns"          # bool

  202. CARLA_KEY_ENGINE_UI_BRIDGES_TIMEOUT    = "Engine/UiBridgesTimeout"    # int

  203. 

  204. CARLA_KEY_OSC_ENABLED          = "OSC/Enabled"

  205. CARLA_KEY_OSC_TCP_PORT_ENABLED = "OSC/TCPEnabled"

  206. CARLA_KEY_OSC_TCP_PORT_NUMBER  = "OSC/TCPNumber"

  207. CARLA_KEY_OSC_TCP_PORT_RANDOM  = "OSC/TCPRandom"

  208. CARLA_KEY_OSC_UDP_PORT_ENABLED = "OSC/UDPEnabled"

  209. CARLA_KEY_OSC_UDP_PORT_NUMBER  = "OSC/UDPNumber"

  210. CARLA_KEY_OSC_UDP_PORT_RANDOM  = "OSC/UDPRandom"

  211. 

  212. CARLA_KEY_PATHS_AUDIO = "Paths/Audio"

  213. CARLA_KEY_PATHS_MIDI  = "Paths/MIDI"

  214. 

  215. CARLA_KEY_PATHS_LADSPA = "Paths/LADSPA"

  216. CARLA_KEY_PATHS_DSSI   = "Paths/DSSI"

  217. CARLA_KEY_PATHS_LV2    = "Paths/LV2"

  218. CARLA_KEY_PATHS_VST2   = "Paths/VST2"

  219. CARLA_KEY_PATHS_VST3   = "Paths/VST3"

  220. CARLA_KEY_PATHS_SF2    = "Paths/SF2"

  221. CARLA_KEY_PATHS_SFZ    = "Paths/SFZ"

  222. 

  223. CARLA_KEY_WINE_EXECUTABLE      = "Wine/Executable"     # str

  224. CARLA_KEY_WINE_AUTO_PREFIX     = "Wine/AutoPrefix"     # bool

  225. CARLA_KEY_WINE_FALLBACK_PREFIX = "Wine/FallbackPrefix" # str

  226. CARLA_KEY_WINE_RT_PRIO_ENABLED = "Wine/RtPrioEnabled"  # bool

  227. CARLA_KEY_WINE_BASE_RT_PRIO    = "Wine/BaseRtPrio"     # int

  228. CARLA_KEY_WINE_SERVER_RT_PRIO  = "Wine/ServerRtPrio"   # int

  229. 

  230. CARLA_KEY_EXPERIMENTAL_PLUGIN_BRIDGES        = "Experimental/PluginBridges"       # bool

  231. CARLA_KEY_EXPERIMENTAL_WINE_BRIDGES          = "Experimental/WineBridges"         # bool

  232. CARLA_KEY_EXPERIMENTAL_JACK_APPS             = "Experimental/JackApplications"    # bool

  233. CARLA_KEY_EXPERIMENTAL_EXPORT_LV2            = "Experimental/ExportLV2"           # bool

  234. CARLA_KEY_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR = "Experimental/PreventBadBehaviour" # bool

  235. CARLA_KEY_EXPERIMENTAL_LOAD_LIB_GLOBAL       = "Experimental/LoadLibGlobal"       # bool

  236. 

  237. # if pro theme is on and color is black

  238. CARLA_KEY_CUSTOM_PAINTING = "UseCustomPainting" # bool

  239. 

  240. # ------------------------------------------------------------------------------------------------------------

  241. # Carla Settings defaults

  242. 

  243. # Main

  244. CARLA_DEFAULT_MAIN_PROJECT_FOLDER   = HOME

  245. CARLA_DEFAULT_MAIN_USE_PRO_THEME    = True

  246. CARLA_DEFAULT_MAIN_PRO_THEME_COLOR  = "Black"

  247. CARLA_DEFAULT_MAIN_REFRESH_INTERVAL = 20

  248. CARLA_DEFAULT_MAIN_CONFIRM_EXIT     = True

  249. CARLA_DEFAULT_MAIN_SHOW_LOGS        = bool(not WINDOWS)

  250. CARLA_DEFAULT_MAIN_EXPERIMENTAL     = False

  251. 

  252. # Canvas

  253. CARLA_DEFAULT_CANVAS_THEME             = "Modern Dark"

  254. CARLA_DEFAULT_CANVAS_SIZE              = "3100x2400"

  255. CARLA_DEFAULT_CANVAS_SIZE_WIDTH        = 3100

  256. CARLA_DEFAULT_CANVAS_SIZE_HEIGHT       = 2400

  257. CARLA_DEFAULT_CANVAS_USE_BEZIER_LINES  = True

  258. CARLA_DEFAULT_CANVAS_AUTO_HIDE_GROUPS  = True

  259. CARLA_DEFAULT_CANVAS_AUTO_SELECT_ITEMS = False

  260. CARLA_DEFAULT_CANVAS_EYE_CANDY         = True

  261. CARLA_DEFAULT_CANVAS_FANCY_EYE_CANDY   = False

  262. CARLA_DEFAULT_CANVAS_USE_OPENGL        = False

  263. CARLA_DEFAULT_CANVAS_ANTIALIASING      = CANVAS_ANTIALIASING_SMALL

  264. CARLA_DEFAULT_CANVAS_HQ_ANTIALIASING   = False

  265. CARLA_DEFAULT_CANVAS_INLINE_DISPLAYS   = False

  266. CARLA_DEFAULT_CANVAS_FULL_REPAINTS     = False

  267. 

  268. # Engine

  269. CARLA_DEFAULT_FORCE_STEREO          = False

  270. CARLA_DEFAULT_PREFER_PLUGIN_BRIDGES = False

  271. CARLA_DEFAULT_PREFER_UI_BRIDGES     = True

  272. CARLA_DEFAULT_MANAGE_UIS            = True

  273. CARLA_DEFAULT_UIS_ALWAYS_ON_TOP     = False

  274. CARLA_DEFAULT_MAX_PARAMETERS        = MAX_DEFAULT_PARAMETERS

  275. CARLA_DEFAULT_RESET_XRUNS           = False

  276. CARLA_DEFAULT_UI_BRIDGES_TIMEOUT    = 4000

  277. 

  278. CARLA_DEFAULT_AUDIO_BUFFER_SIZE     = 512

  279. CARLA_DEFAULT_AUDIO_SAMPLE_RATE     = 44100

  280. CARLA_DEFAULT_AUDIO_TRIPLE_BUFFER   = False

  281. 

  282. if WINDOWS:

  283.     CARLA_DEFAULT_AUDIO_DRIVER = "DirectSound"

  284. elif MACOS:

  285.     CARLA_DEFAULT_AUDIO_DRIVER = "CoreAudio"

  286. elif os.path.exists("/usr/bin/jackd") or os.path.exists("/usr/bin/jackdbus"):

  287.     CARLA_DEFAULT_AUDIO_DRIVER = "JACK"

  288. else:

  289.     CARLA_DEFAULT_AUDIO_DRIVER = "PulseAudio"

  290. 

  291. if CARLA_DEFAULT_AUDIO_DRIVER == "JACK":

  292.     CARLA_DEFAULT_PROCESS_MODE   = ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS

  293.     CARLA_DEFAULT_TRANSPORT_MODE = ENGINE_TRANSPORT_MODE_JACK

  294. else:

  295.     CARLA_DEFAULT_PROCESS_MODE   = ENGINE_PROCESS_MODE_PATCHBAY

  296.     CARLA_DEFAULT_TRANSPORT_MODE = ENGINE_TRANSPORT_MODE_INTERNAL

  297. 

  298. # OSC

  299. CARLA_DEFAULT_OSC_ENABLED = not WINDOWS

  300. CARLA_DEFAULT_OSC_TCP_PORT_ENABLED = True

  301. CARLA_DEFAULT_OSC_TCP_PORT_NUMBER  = 22752

  302. CARLA_DEFAULT_OSC_TCP_PORT_RANDOM  = False

  303. CARLA_DEFAULT_OSC_UDP_PORT_ENABLED = True

  304. CARLA_DEFAULT_OSC_UDP_PORT_NUMBER  = 22752

  305. CARLA_DEFAULT_OSC_UDP_PORT_RANDOM  = False

  306. 

  307. # Wine

  308. CARLA_DEFAULT_WINE_EXECUTABLE      = "wine"

  309. CARLA_DEFAULT_WINE_AUTO_PREFIX     = True

  310. CARLA_DEFAULT_WINE_FALLBACK_PREFIX = os.path.expanduser("~/.wine")

  311. CARLA_DEFAULT_WINE_RT_PRIO_ENABLED = True

  312. CARLA_DEFAULT_WINE_BASE_RT_PRIO    = 15

  313. CARLA_DEFAULT_WINE_SERVER_RT_PRIO  = 10

  314. 

  315. # Experimental

  316. CARLA_DEFAULT_EXPERIMENTAL_PLUGIN_BRIDGES        = False

  317. CARLA_DEFAULT_EXPERIMENTAL_WINE_BRIDGES          = False

  318. CARLA_DEFAULT_EXPERIMENTAL_JACK_APPS             = False

  319. CARLA_DEFAULT_EXPERIMENTAL_LV2_EXPORT            = False

  320. CARLA_DEFAULT_EXPERIMENTAL_PREVENT_BAD_BEHAVIOUR = False

  321. CARLA_DEFAULT_EXPERIMENTAL_LOAD_LIB_GLOBAL       = False

  322. 

  323. # ------------------------------------------------------------------------------------------------------------

  324. # Default File Folders

  325. 

  326. CARLA_DEFAULT_FILE_PATH_AUDIO = []

  327. CARLA_DEFAULT_FILE_PATH_MIDI  = []

  328. 

  329. # ------------------------------------------------------------------------------------------------------------

  330. # Default Plugin Folders (get)

  331. 

  332. DEFAULT_LADSPA_PATH = ""

  333. DEFAULT_DSSI_PATH   = ""

  334. DEFAULT_LV2_PATH    = ""

  335. DEFAULT_VST2_PATH   = ""

  336. DEFAULT_VST3_PATH   = ""

  337. DEFAULT_SF2_PATH    = ""

  338. DEFAULT_SFZ_PATH    = ""

  339. 

  340. if WINDOWS:

  341.     splitter = ";"

  342. 

  343.     APPDATA = os.getenv("APPDATA")

  344.     PROGRAMFILES = os.getenv("PROGRAMFILES")

  345.     PROGRAMFILESx86 = os.getenv("PROGRAMFILES(x86)")

  346.     COMMONPROGRAMFILES = os.getenv("COMMONPROGRAMFILES")

  347.     COMMONPROGRAMFILESx86 = os.getenv("COMMONPROGRAMFILES(x86)")

  348. 

  349.     # Small integrity tests

  350.     if not APPDATA:

  351.         qFatal("APPDATA variable not set, cannot continue")

  352.         sys.exit(1)

  353. 

  354.     if not PROGRAMFILES:

  355.         qFatal("PROGRAMFILES variable not set, cannot continue")

  356.         sys.exit(1)

  357. 

  358.     if not COMMONPROGRAMFILES:

  359.         qFatal("COMMONPROGRAMFILES variable not set, cannot continue")

  360.         sys.exit(1)

  361. 

  362.     DEFAULT_LADSPA_PATH  = APPDATA + "\\LADSPA"

  363.     DEFAULT_LADSPA_PATH += ";" + PROGRAMFILES + "\\LADSPA"

  364. 

  365.     DEFAULT_DSSI_PATH    = APPDATA + "\\DSSI"

  366.     DEFAULT_DSSI_PATH   += ";" + PROGRAMFILES + "\\DSSI"

  367. 

  368.     DEFAULT_LV2_PATH     = APPDATA + "\\LV2"

  369.     DEFAULT_LV2_PATH    += ";" + COMMONPROGRAMFILES + "\\LV2"

  370. 

  371.     DEFAULT_VST2_PATH    = PROGRAMFILES + "\\VstPlugins"

  372.     DEFAULT_VST2_PATH   += ";" + PROGRAMFILES + "\\Steinberg\\VstPlugins"

  373. 

  374.     if kIs64bit:

  375.         DEFAULT_VST2_PATH  += ";" + COMMONPROGRAMFILES + "\\VST2"

  376. 

  377.     DEFAULT_VST3_PATH    = COMMONPROGRAMFILES + "\\VST3"

  378. 

  379.     DEFAULT_SF2_PATH     = APPDATA + "\\SF2"

  380.     DEFAULT_SFZ_PATH     = APPDATA + "\\SFZ"

  381. 

  382.     if PROGRAMFILESx86:

  383.         DEFAULT_LADSPA_PATH += ";" + PROGRAMFILESx86 + "\\LADSPA"

  384.         DEFAULT_DSSI_PATH   += ";" + PROGRAMFILESx86 + "\\DSSI"

  385.         DEFAULT_VST2_PATH   += ";" + PROGRAMFILESx86 + "\\VstPlugins"

  386.         DEFAULT_VST2_PATH   += ";" + PROGRAMFILESx86 + "\\Steinberg\\VstPlugins"

  387. 

  388.     if COMMONPROGRAMFILESx86:

  389.         DEFAULT_VST3_PATH   += COMMONPROGRAMFILESx86 + "\\VST3"

  390. 

  391. elif HAIKU:

  392.     splitter = ":"

  393. 

  394.     DEFAULT_LADSPA_PATH  = HOME + "/.ladspa"

  395.     DEFAULT_LADSPA_PATH += ":/system/add-ons/media/ladspaplugins"

  396.     DEFAULT_LADSPA_PATH += ":/system/lib/ladspa"

  397. 

  398.     DEFAULT_DSSI_PATH    = HOME + "/.dssi"

  399.     DEFAULT_DSSI_PATH   += ":/system/add-ons/media/dssiplugins"

  400.     DEFAULT_DSSI_PATH   += ":/system/lib/dssi"

  401. 

  402.     DEFAULT_LV2_PATH     = HOME + "/.lv2"

  403.     DEFAULT_LV2_PATH    += ":/system/add-ons/media/lv2plugins"

  404. 

  405.     DEFAULT_VST2_PATH    = HOME + "/.vst"

  406.     DEFAULT_VST2_PATH   += ":/system/add-ons/media/vstplugins"

  407. 

  408.     DEFAULT_VST3_PATH    = HOME + "/.vst3"

  409.     DEFAULT_VST3_PATH   += ":/system/add-ons/media/vst3plugins"

  410. 

  411. elif MACOS:

  412.     splitter = ":"

  413. 

  414.     DEFAULT_LADSPA_PATH  = HOME + "/Library/Audio/Plug-Ins/LADSPA"

  415.     DEFAULT_LADSPA_PATH += ":/Library/Audio/Plug-Ins/LADSPA"

  416. 

  417.     DEFAULT_DSSI_PATH    = HOME + "/Library/Audio/Plug-Ins/DSSI"

  418.     DEFAULT_DSSI_PATH   += ":/Library/Audio/Plug-Ins/DSSI"

  419. 

  420.     DEFAULT_LV2_PATH     = HOME + "/Library/Audio/Plug-Ins/LV2"

  421.     DEFAULT_LV2_PATH    += ":/Library/Audio/Plug-Ins/LV2"

  422. 

  423.     DEFAULT_VST2_PATH    = HOME + "/Library/Audio/Plug-Ins/VST"

  424.     DEFAULT_VST2_PATH   += ":/Library/Audio/Plug-Ins/VST"

  425. 

  426.     DEFAULT_VST3_PATH    = HOME + "/Library/Audio/Plug-Ins/VST3"

  427.     DEFAULT_VST3_PATH   += ":/Library/Audio/Plug-Ins/VST3"

  428. 

  429. else:

  430.     splitter = ":"

  431. 

  432.     DEFAULT_LADSPA_PATH  = HOME + "/.ladspa"

  433.     DEFAULT_LADSPA_PATH += ":/usr/lib/ladspa"

  434.     DEFAULT_LADSPA_PATH += ":/usr/local/lib/ladspa"

  435. 

  436.     DEFAULT_DSSI_PATH    = HOME + "/.dssi"

  437.     DEFAULT_DSSI_PATH   += ":/usr/lib/dssi"

  438.     DEFAULT_DSSI_PATH   += ":/usr/local/lib/dssi"

  439. 

  440.     DEFAULT_LV2_PATH     = HOME + "/.lv2"

  441.     DEFAULT_LV2_PATH    += ":/usr/lib/lv2"

  442.     DEFAULT_LV2_PATH    += ":/usr/local/lib/lv2"

  443. 

  444.     DEFAULT_VST2_PATH    = HOME + "/.vst"

  445.     DEFAULT_VST2_PATH   += ":/usr/lib/vst"

  446.     DEFAULT_VST2_PATH   += ":/usr/local/lib/vst"

  447. 

  448.     DEFAULT_VST2_PATH   += HOME + "/.lxvst"

  449.     DEFAULT_VST2_PATH   += ":/usr/lib/lxvst"

  450.     DEFAULT_VST2_PATH   += ":/usr/local/lib/lxvst"

  451. 

  452.     DEFAULT_VST3_PATH    = HOME + "/.vst3"

  453.     DEFAULT_VST3_PATH   += ":/usr/lib/vst3"

  454.     DEFAULT_VST3_PATH   += ":/usr/local/lib/vst3"

  455. 

  456.     DEFAULT_SF2_PATH     = HOME + "/.sounds/sf2"

  457.     DEFAULT_SF2_PATH    += ":/usr/share/sounds/sf2"

  458.     DEFAULT_SF2_PATH    += ":/usr/share/soundfonts"

  459. 

  460.     DEFAULT_SFZ_PATH     = HOME + "/.sounds/sfz"

  461.     DEFAULT_SFZ_PATH    += ":/usr/share/sounds/sfz"

  462. 

  463. if not WINDOWS:

  464.     winePrefix = os.getenv("WINEPREFIX")

  465. 

  466.     if not winePrefix:

  467.         winePrefix = HOME + "/.wine"

  468. 

  469.     if os.path.exists(winePrefix):

  470.         DEFAULT_VST2_PATH += ":" + winePrefix + "/drive_c/Program Files/VstPlugins"

  471.         DEFAULT_VST3_PATH += ":" + winePrefix + "/drive_c/Program Files/Common Files/VST3"

  472. 

  473.         if kIs64bit and os.path.exists(winePrefix + "/drive_c/Program Files (x86)"):

  474.             DEFAULT_VST2_PATH += ":" + winePrefix + "/drive_c/Program Files (x86)/VstPlugins"

  475.             DEFAULT_VST3_PATH += ":" + winePrefix + "/drive_c/Program Files (x86)/Common Files/VST3"

  476. 

  477.     del winePrefix

  478. 

  479. # ------------------------------------------------------------------------------------------------------------

  480. # Default Plugin Folders (set)

  481. 

  482. readEnvVars = True

  483. 

  484. if WINDOWS:

  485.     # Check if running Wine. If yes, ignore env vars

  486.     from winreg import ConnectRegistry, OpenKey, CloseKey, HKEY_CURRENT_USER

  487.     reg = ConnectRegistry(None, HKEY_CURRENT_USER)

  488. 

  489.     try:

  490.         key = OpenKey(reg, r"SOFTWARE\Wine")

  491.         CloseKey(key)

  492.         del key

  493.         readEnvVars = False

  494.     except:

  495.         pass

  496. 

  497.     CloseKey(reg)

  498.     del reg

  499. 

  500. if readEnvVars:

  501.     CARLA_DEFAULT_LADSPA_PATH = os.getenv("LADSPA_PATH", DEFAULT_LADSPA_PATH).split(splitter)

  502.     CARLA_DEFAULT_DSSI_PATH   = os.getenv("DSSI_PATH",   DEFAULT_DSSI_PATH).split(splitter)

  503.     CARLA_DEFAULT_LV2_PATH    = os.getenv("LV2_PATH",    DEFAULT_LV2_PATH).split(splitter)

  504.     CARLA_DEFAULT_VST2_PATH   = os.getenv("VST_PATH",    DEFAULT_VST2_PATH).split(splitter)

  505.     CARLA_DEFAULT_VST3_PATH   = os.getenv("VST3_PATH",   DEFAULT_VST3_PATH).split(splitter)

  506.     CARLA_DEFAULT_SF2_PATH    = os.getenv("SF2_PATH",    DEFAULT_SF2_PATH).split(splitter)

  507.     CARLA_DEFAULT_SFZ_PATH    = os.getenv("SFZ_PATH",    DEFAULT_SFZ_PATH).split(splitter)

  508. 

  509. else:

  510.     CARLA_DEFAULT_LADSPA_PATH = DEFAULT_LADSPA_PATH.split(splitter)

  511.     CARLA_DEFAULT_DSSI_PATH   = DEFAULT_DSSI_PATH.split(splitter)

  512.     CARLA_DEFAULT_LV2_PATH    = DEFAULT_LV2_PATH.split(splitter)

  513.     CARLA_DEFAULT_VST2_PATH   = DEFAULT_VST2_PATH.split(splitter)

  514.     CARLA_DEFAULT_VST3_PATH   = DEFAULT_VST3_PATH.split(splitter)

  515.     CARLA_DEFAULT_SF2_PATH    = DEFAULT_SF2_PATH.split(splitter)

  516.     CARLA_DEFAULT_SFZ_PATH    = DEFAULT_SFZ_PATH.split(splitter)

  517. 

  518. # ------------------------------------------------------------------------------------------------------------

  519. # Default Plugin Folders (cleanup)

  520. 

  521. del DEFAULT_LADSPA_PATH

  522. del DEFAULT_DSSI_PATH

  523. del DEFAULT_LV2_PATH

  524. del DEFAULT_VST2_PATH

  525. del DEFAULT_VST3_PATH

  526. del DEFAULT_SF2_PATH

  527. del DEFAULT_SFZ_PATH

  528. 

  529. # ------------------------------------------------------------------------------------------------------------

  530. # Global Carla object

  531. 

  532. class CarlaObject(object):

  533.     __slots__ = [

  534.         'gui',   # Host Window

  535.         'nogui', # Skip UI

  536.         'term',  # Terminated by OS signal

  537.         'utils'  # Utils object

  538.     ]

  539. 

  540. gCarla = CarlaObject()

  541. gCarla.gui   = None

  542. gCarla.nogui = False

  543. gCarla.term  = False

  544. gCarla.utils = None

  545. 

  546. # ------------------------------------------------------------------------------------------------------------

  547. # Set CWD

  548. 

  549. CWD = sys.path[0]

  550. 

  551. if not CWD:

  552.     CWD = os.path.dirname(sys.argv[0])

  553. 

  554. # make it work with cxfreeze

  555. if os.path.isfile(CWD):

  556.     CWD = os.path.dirname(CWD)

  557.     CXFREEZE = True

  558. else:

  559.     CXFREEZE = False

  560. 

  561. # ------------------------------------------------------------------------------------------------------------

  562. # Set DLL_EXTENSION

  563. 

  564. if WINDOWS:

  565.     DLL_EXTENSION = "dll"

  566. elif MACOS:

  567.     DLL_EXTENSION = "dylib"

  568. else:

  569.     DLL_EXTENSION = "so"

  570. 

  571. # ------------------------------------------------------------------------------------------------------------

  572. # Check if a value is a number (float support)

  573. 

  574. def isNumber(value):

  575.     try:

  576.         float(value)

  577.         return True

  578.     except:

  579.         return False

  580. 

  581. # ------------------------------------------------------------------------------------------------------------

  582. # Convert a value to a list

  583. 

  584. def toList(value):

  585.     if value is None:

  586.         return []

  587.     elif not isinstance(value, list):

  588.         return [value]

  589.     else:

  590.         return value

  591. 

  592. # ------------------------------------------------------------------------------------------------------------

  593. # Get Icon from user theme, using our own as backup (Oxygen)

  594. 

  595. def getIcon(icon, size = 16):

  596.     return QIcon.fromTheme(icon, QIcon(":/%ix%i/%s.png" % (size, size, icon)))

  597. 

  598. # ------------------------------------------------------------------------------------------------------------

  599. # Handle some basic command-line arguments shared between all carla variants

  600. 

  601. def handleInitialCommandLineArguments(file):

  602.     initName  = os.path.basename(file) if (file is not None and os.path.dirname(file) in PATH) else sys.argv[0]

  603.     libPrefix = None

  604. 

  605.     for arg in sys.argv[1:]:

  606.         if arg.startswith("--with-appname="):

  607.             initName = os.path.basename(arg.replace("--with-appname=", ""))

  608. 

  609.         elif arg.startswith("--with-libprefix="):

  610.             libPrefix = arg.replace("--with-libprefix=", "")

  611. 

  612.         elif arg == "--gdb":

  613.             pass

  614. 

  615.         elif arg in ("-n", "--n", "-no-gui", "--no-gui", "-nogui", "--nogui"):

  616.             gCarla.nogui = True

  617. 

  618.         elif arg in ("-h", "--h", "-help", "--help"):

  619.             print("Usage: %s [OPTION]... [FILE|URL]" % initName)

  620.             print("")

  621.             print(" where FILE can be a Carla project or preset file to be loaded, or URL if using Carla-Control")

  622.             print("")

  623.             print(" and OPTION can be one or more of the following:")

  624.             print("")

  625.             print("    --gdb    \t Run Carla inside gdb.")

  626.             print(" -n,--no-gui \t Run Carla headless, don't show UI.")

  627.             print("")

  628.             print(" -h,--help   \t Print this help text and exit.")

  629.             print(" -v,--version\t Print version information and exit.")

  630.             print("")

  631. 

  632.             sys.exit(0)

  633. 

  634.         elif arg in ("-v", "--v", "-version", "--version"):

  635.             pathBinaries, pathResources = getPaths(libPrefix)

  636. 

  637.             print("Using Carla version %s" % VERSION)

  638.             print("  Python version: %s" % sys.version.split(" ",1)[0])

  639.             print("  Qt version:     %s" % QT_VERSION_STR)

  640.             print("  PyQt version:   %s" % PYQT_VERSION_STR)

  641.             print("  Binary dir:     %s" % pathBinaries)

  642.             print("  Resources dir:  %s" % pathResources)

  643. 

  644.             sys.exit(0)

  645. 

  646.     return (initName, libPrefix)

  647. 

  648. # ------------------------------------------------------------------------------------------------------------

  649. # Get initial project file (as passed in the command-line parameters)

  650. 

  651. def getInitialProjectFile(app, skipExistCheck = False):

  652.     # FIXME - PyQt mishandles unicode characters, we'll use direct sys.argv for now

  653.     # see https://riverbankcomputing.com/pipermail/pyqt/2015-January/035395.html

  654.     #args = app.arguments()[1:]

  655.     args = sys.argv[1:]

  656.     for arg in args:

  657.         if arg.startswith("--with-appname=") or arg.startswith("--with-libprefix=") or arg == "--gdb":

  658.             continue

  659.         if arg in ("-n", "--n", "-no-gui", "--no-gui", "-nogui", "--nogui"):

  660.             continue

  661.         arg = os.path.expanduser(arg)

  662.         if skipExistCheck or os.path.exists(arg):

  663.             return arg

  664. 

  665.     return None

  666. 

  667. # ------------------------------------------------------------------------------------------------------------

  668. # Get paths (binaries, resources)

  669. 

  670. def getPaths(libPrefix = None):

  671.     CWDl = CWD.lower()

  672. 

  673.     # adjust for special distros

  674.     libdir  = os.path.basename(os.path.normpath(X_LIBDIR_X))  if X_LIBDIR_X  else "lib"

  675.     datadir = os.path.basename(os.path.normpath(X_DATADIR_X)) if X_DATADIR_X else "share"

  676. 

  677.     # standalone, installed system-wide linux

  678.     if libPrefix is not None:

  679.         pathBinaries  = os.path.join(libPrefix, libdir, "carla")

  680.         pathResources = os.path.join(libPrefix, datadir, "carla", "resources")

  681. 

  682.     # standalone, local source

  683.     elif CWDl.endswith("frontend"):

  684.         pathBinaries  = os.path.abspath(os.path.join(CWD, "..", "..", "bin"))

  685.         pathResources = os.path.join(pathBinaries, "resources")

  686. 

  687.     # plugin

  688.     elif CWDl.endswith("resources"):

  689.         # installed system-wide linux

  690.         if CWDl.endswith("/share/carla/resources"):

  691.             pathBinaries  = os.path.abspath(os.path.join(CWD, "..", "..", "..", libdir, "carla"))

  692.             pathResources = CWD

  693. 

  694.         # local source

  695.         elif CWDl.endswith("native-plugins%sresources" % os.sep):

  696.             pathBinaries  = os.path.abspath(os.path.join(CWD, "..", "..", "..", "bin"))

  697.             pathResources = CWD

  698. 

  699.         # other

  700.         else:

  701.             pathBinaries  = os.path.abspath(os.path.join(CWD, ".."))

  702.             pathResources = CWD

  703. 

  704.     # everything else

  705.     else:

  706.         pathBinaries  = CWD

  707.         pathResources = os.path.join(pathBinaries, "resources")

  708. 

  709.     return (pathBinaries, pathResources)

  710. 

  711. # ------------------------------------------------------------------------------------------------------------

  712. # Signal handler

  713. # TODO move to carla_host.py or something

  714. 

  715. def signalHandler(sig, frame):

  716.     if sig in (SIGINT, SIGTERM):

  717.         gCarla.term = True

  718.         if gCarla.gui is not None:

  719.             gCarla.gui.SIGTERM.emit()

  720. 

  721.     elif haveSIGUSR1 and sig == SIGUSR1:

  722.         if gCarla.gui is not None:

  723.             gCarla.gui.SIGUSR1.emit()

  724. 

  725. def setUpSignals():

  726.     signal(SIGINT,  signalHandler)

  727.     signal(SIGTERM, signalHandler)

  728. 

  729.     if not haveSIGUSR1:

  730.         return

  731. 

  732.     signal(SIGUSR1, signalHandler)

  733. 

  734. # ------------------------------------------------------------------------------------------------------------

  735. # QLineEdit and QPushButton combo

  736. 

  737. def getAndSetPath(parent, lineEdit):

  738.     newPath = QFileDialog.getExistingDirectory(parent, parent.tr("Set Path"), lineEdit.text(), QFileDialog.ShowDirsOnly)

  739.     if newPath:

  740.         lineEdit.setText(newPath)

  741.     return newPath

  742. 

  743. # ------------------------------------------------------------------------------------------------------------

  744. # Backwards-compatible horizontalAdvance/width call, depending on Qt version

  745. 

  746. def fontMetricsHorizontalAdvance(fontMetrics, string):

  747.     if QT_VERSION >= 0x51100:

  748.         return fontMetrics.horizontalAdvance(string)

  749.     return fontMetrics.width(string)

  750. 

  751. # ------------------------------------------------------------------------------------------------------------

  752. # Custom QMessageBox which resizes itself to fit text

  753. 

  754. class QMessageBoxWithBetterWidth(QMessageBox):

  755.     def __init__(self, parent):

  756.         QMessageBox.__init__(self, parent)

  757. 

  758.     def showEvent(self, event):

  759.         fontMetrics = self.fontMetrics()

  760. 

  761.         lines = self.text().strip().split("\n") + self.informativeText().strip().split("\n")

  762. 

  763.         if len(lines) > 0:

  764.             width = 0

  765. 

  766.             for line in lines:

  767.                 width = max(fontMetricsHorizontalAdvance(fontMetrics, line), width)

  768. 

  769.             self.layout().setColumnMinimumWidth(2, width + 12)

  770. 

  771.         QMessageBox.showEvent(self, event)

  772. 

  773. # ------------------------------------------------------------------------------------------------------------

  774. # Safer QSettings class, which does not throw if type mismatches

  775. 

  776. class QSafeSettings(QSettings):

  777.     def value(self, key, defaultValue, type):

  778.         if not isinstance(defaultValue, type):

  779.             print("QSafeSettings.value() - defaultValue type mismatch for key", key)

  780. 

  781.         try:

  782.             return QSettings.value(self, key, defaultValue, type)

  783.         except:

  784.             return defaultValue

  785. 

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

  787. # Custom MessageBox

  788. 

  789. def CustomMessageBox(parent, icon, title, text,

  790.                      extraText="",

  791.                      buttons=QMessageBox.Yes|QMessageBox.No,

  792.                      defButton=QMessageBox.No):

  793.     msgBox = QMessageBoxWithBetterWidth(parent)

  794.     msgBox.setIcon(icon)

  795.     msgBox.setWindowTitle(title)

  796.     msgBox.setText(text)

  797.     msgBox.setInformativeText(extraText)

  798.     msgBox.setStandardButtons(buttons)

  799.     msgBox.setDefaultButton(defButton)

  800.     return msgBox.exec_()

  801. 

  802. # ------------------------------------------------------------------------------------------------------------