Source code for usf.screens.audio

################################################################################
# copyright 2009 Gabriel Pettier <gabriel.pettier@gmail.com>                   #
#                                                                              #
# This file is part of Ultimate Smash Friends.                                 #
#                                                                              #
# Ultimate Smash Friends 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 3 of the License, or (at your   #
# option) any later version.                                                   #
#                                                                              #
# Ultimate Smash Friends 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 #
# Ultimate Smash Friends.  If not, see <http://www.gnu.org/licenses/>.         #
################################################################################

'''
The Sound configuration screen. to manage music and SFX volume.

'''

from usf.screens.screen import Screen
from usf.widgets.box import VBox
from usf.widgets.slider import Slider
from usf.widgets.label import Label
from usf.widgets.button import Button
from usf.widgets.checkbox_text import TextCheckBox
from usf.translation import _


from usf import CONFIG


class Audio(Screen):
    def init(self):
        # create widgets
        self.add(VBox())
        self.name = _('Audio Options')

        self.sound = TextCheckBox(_('Sound'))
        self.sound_volume = Slider('Sound Volume')
        self.music = TextCheckBox(_('Music'))
        self.music_volume = Slider('Music Volume')

        # set values from config
        self.sound.set_value(CONFIG.audio.SOUND)
        self.sound_volume.set_value(CONFIG.audio.SOUND_VOLUME)
        self.music.set_value(CONFIG.audio.MUSIC)
        self.music_volume.set_value(CONFIG.audio.MUSIC_VOLUME)

        # add widgets
        self.widget.add(self.sound)
        self.widget.add(self.sound_volume, margin=10, size=(220, 30))
        self.widget.add(self.music)
        self.widget.add(self.music_volume, margin=10, size=(220, 30))
        self.widget.add(Button(_('Back')), margin=30)
                
    def callback(self, action):
        if action.text == 'Music Volume':
            CONFIG.audio.MUSIC_VOLUME = action.get_value()
        if action.text == 'Sound Volume':
            CONFIG.audio.SOUND_VOLUME = action.get_value()
        if action.text == 'Music':
            if CONFIG.audio.MUSIC:
                CONFIG.audio.MUSIC = False
            else:
                CONFIG.audio.MUSIC = True
        if action.text == 'Sound':
            if CONFIG.audio.SOUND:
                CONFIG.audio.SOUND = False
            else:
                CONFIG.audio.SOUND = True
        if action.text == _('Back'):
            return {'goto': 'back'}

        CONFIG.write()