hotkeys.lua
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:3k
源码类别:
midi
开发平台:
Unix_Linux
- --[==========================================================================[
- hotkeys.lua: hotkey handling for VLC
- --[==========================================================================[
- Copyright (C) 2007 the VideoLAN team
- $Id$
- Authors: Antoine Cellerier <dionoea at videolan dot org>
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- --]==========================================================================]
- --[==========================================================================[
- This is meant to replace modules/control/hotkeys.c
- (which will require some changes in the VLC core hotkeys stuff)
- --]==========================================================================]
- require("common")
- --common.table_print(vlc,"vlc.t")
- bindings = {
- ["Ctrl-q"] = "quit",
- ["Space"] = "play-pause",
- [113] --[[q]] = "quit",
- [119] --[[w]] = "demo",
- [120] --[[x]] = "demo2",
- }
- function quit()
- print("Bye-bye!")
- vlc.quit()
- end
- function demo()
- vlc.osd.icon("speaker")
- end
- function demo2()
- if not channel1 then
- channel1 = vlc.osd.channel_register()
- channel2 = vlc.osd.channel_register()
- end
- vlc.osd.message("Hey!",channel1)
- vlc.osd.slider( 10, "horizontal", channel2 )
- end
- function action(func,delta)
- return { func = func, delta = delta or 0, last = 0, times = 0 }
- end
- actions = {
- ["quit"] = action(quit),
- ["play-pause"] = action(play_pause),
- ["demo"] = action(demo),
- ["demo2"] = action(demo2),
- }
- action = nil
- queue = {}
- function action_trigger( action )
- print("action_trigger:",tostring(action))
- local a = actions[action]
- if a then
- local date = vlc.misc.mdate()
- if a.delta and date > a.last + a.delta then
- a.times = 0
- else
- a.times = a.times + 1
- end
- a.last = date
- table.insert(queue,action)
- vlc.misc.signal()
- else
- vlc.msg.err("Key `"..key.."' points to unknown action `"..bindings[key].."'.")
- end
- end
- function key_press( var, old, new, data )
- local key = new
- print("key_press:",tostring(key))
- if bindings[key] then
- action_trigger(bindings[key])
- else
- vlc.msg.err("Key `"..key.."' isn't bound to any action.")
- end
- end
- vlc.var.add_callback( vlc.object.libvlc(), "key-pressed", key_press )
- --vlc.var.add_callback( vlc.object.libvlc(), "action-triggered", action_trigger )
- while not die do
- if #queue ~= 0 then
- local action = actions[queue[1]]
- local ok, msg = pcall( action.func )
- if not ok then
- vlc.msg.err("Error while executing action `"..queue[1].."': "..msg)
- end
- table.remove(queue,1)
- else
- die = vlc.misc.lock_and_wait()
- end
- end
- -- Clean up
- vlc.var.del_callback( vlc.object.libvlc(), "key-pressed", key_press )
- --vlc.var.del_callback( vlc.object.libvlc(), "action-triggered", action_trigger )