/usr/share/decibel-audio-player/src/modules/CtrlPanel.py is in decibel-audio-player 1.06-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 | # -*- coding: utf-8 -*-
#
# Author: Ingelrest François (Francois.Ingelrest@gmail.com)
#
# 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 Library 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 St, Fifth Floor, Boston, MA 02110-1301 USA
import gtk, modules
from tools import consts, prefs, sec2str
from gettext import gettext as _
MOD_INFO = ('Control Panel', 'Control Panel', '', [], True, False, consts.MODCAT_NONE)
PREFS_DEFAULT_VOLUME = 0.65
class CtrlPanel(modules.Module):
""" This module manages the control panel with the buttons and the slider """
def __init__(self):
""" Constructor """
handlers = {
consts.MSG_EVT_PAUSED: self.onPaused,
consts.MSG_EVT_STOPPED: self.onStopped,
consts.MSG_EVT_UNPAUSED: self.onUnpaused,
consts.MSG_EVT_APP_QUIT: self.onAppQuit,
consts.MSG_EVT_NEW_TRACK: self.onNewTrack,
consts.MSG_EVT_TRACK_MOVED: self.onCurrentTrackMoved,
consts.MSG_EVT_APP_STARTED: self.onAppStarted,
consts.MSG_EVT_NEW_TRACKLIST: self.onNewTracklist,
consts.MSG_EVT_VOLUME_CHANGED: self.onVolumeChanged,
consts.MSG_EVT_TRACK_POSITION: self.onNewTrackPosition,
}
modules.Module.__init__(self, handlers)
# --== Message handler ==--
def onAppStarted(self):
""" Real initialization function, called when this module has been loaded """
self.currTrackLength = 0
self.sclBeingDragged = False
# Widgets
wTree = prefs.getWidgetsTree()
self.btnStop = wTree.get_widget('btn-stop')
self.btnPlay = wTree.get_widget('btn-play')
self.btnNext = wTree.get_widget('btn-next')
self.btnPrev = wTree.get_widget('btn-previous')
self.sclSeek = wTree.get_widget('scl-position')
self.btnVolume = wTree.get_widget('btn-volume')
self.lblElapsed = wTree.get_widget('lbl-elapsedTime')
self.lblRemaining = wTree.get_widget('lbl-remainingTime')
# Restore the volume
volume = prefs.get(__name__, 'volume', PREFS_DEFAULT_VOLUME)
self.btnVolume.set_value(volume)
modules.postMsg(consts.MSG_CMD_SET_VOLUME, {'value': volume})
# GTK handlers
self.btnStop.connect('clicked', lambda widget: modules.postMsg(consts.MSG_CMD_STOP))
self.btnNext.connect('clicked', lambda widget: modules.postMsg(consts.MSG_CMD_NEXT))
self.btnPrev.connect('clicked', lambda widget: modules.postMsg(consts.MSG_CMD_PREVIOUS))
self.btnPlay.connect('clicked', lambda widget: modules.postMsg(consts.MSG_CMD_TOGGLE_PAUSE))
self.sclSeek.connect('change-value', self.onSeekChangingValue)
self.sclSeek.connect('value-changed', self.onSeekValueChanged)
self.btnVolume.connect('value-changed', self.onVolumeValueChanged)
def onAppQuit(self):
""" The application is about to terminate """
prefs.set(__name__, 'volume', self.btnVolume.get_value())
def onNewTrack(self, track):
""" A new track is being played """
self.btnStop.set_sensitive(True)
self.btnPlay.set_sensitive(True)
self.btnPlay.set_image(gtk.image_new_from_stock(gtk.STOCK_MEDIA_PAUSE, gtk.ICON_SIZE_BUTTON))
self.btnPlay.set_tooltip_text(_('Pause the current track'))
self.currTrackLength = track.getLength()
self.sclSeek.show()
self.lblElapsed.show()
self.lblRemaining.show()
self.onNewTrackPosition(0)
# Must be done last
if self.currTrackLength != 0:
self.sclSeek.set_range(0, self.currTrackLength)
def onStopped(self):
""" The playback has been stopped """
self.btnStop.set_sensitive(False)
self.btnNext.set_sensitive(False)
self.btnPrev.set_sensitive(False)
self.btnPlay.set_image(gtk.image_new_from_stock(gtk.STOCK_MEDIA_PLAY, gtk.ICON_SIZE_BUTTON))
self.btnPlay.set_tooltip_text(_('Play the first selected track of the playlist'))
self.sclSeek.hide()
self.lblElapsed.hide()
self.lblRemaining.hide()
def onNewTrackPosition(self, seconds):
""" The track position has changed """
if not self.sclBeingDragged:
self.lblElapsed.set_label(sec2str(seconds))
if seconds >= self.currTrackLength:
seconds = self.currTrackLength
self.lblRemaining.set_label(sec2str(self.currTrackLength - seconds))
# Make sure the handler will not be called
self.sclSeek.handler_block_by_func(self.onSeekValueChanged)
self.sclSeek.set_value(seconds)
self.sclSeek.handler_unblock_by_func(self.onSeekValueChanged)
def onVolumeChanged(self, value):
""" The volume has been changed """
self.btnVolume.handler_block_by_func(self.onVolumeValueChanged)
self.btnVolume.set_value(value)
self.btnVolume.handler_unblock_by_func(self.onVolumeValueChanged)
def onCurrentTrackMoved(self, hasPrevious, hasNext):
""" Update previous and next buttons """
self.btnNext.set_sensitive(hasNext)
self.btnPrev.set_sensitive(hasPrevious)
def onPaused(self):
""" The playback has been paused """
self.btnPlay.set_image(gtk.image_new_from_stock(gtk.STOCK_MEDIA_PLAY, gtk.ICON_SIZE_BUTTON))
self.btnPlay.set_tooltip_text(_('Continue playing the current track'))
def onUnpaused(self):
""" The playback has been unpaused """
self.btnPlay.set_image(gtk.image_new_from_stock(gtk.STOCK_MEDIA_PAUSE, gtk.ICON_SIZE_BUTTON))
self.btnPlay.set_tooltip_text(_('Pause the current track'))
def onNewTracklist(self, tracks, playtime):
""" A new tracklist has been set """
self.btnPlay.set_sensitive(playtime != 0)
# --== GTK handlers ==--
def onSeekValueChanged(self, range):
""" The user has moved the seek slider """
modules.postMsg(consts.MSG_CMD_SEEK, {'seconds': int(range.get_value())})
self.sclBeingDragged = False
def onSeekChangingValue(self, range, scroll, value):
""" The user is moving the seek slider """
self.sclBeingDragged = True
if value >= self.currTrackLength: value = self.currTrackLength
else: value = int(value)
self.lblElapsed.set_label(sec2str(value))
self.lblRemaining.set_label(sec2str(self.currTrackLength - value))
def onVolumeValueChanged(self, button, value):
""" The user has moved the volume slider """
modules.postMsg(consts.MSG_CMD_SET_VOLUME, {'value': value})
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