Package flumotion :: Package component :: Package producers :: Package audiotest :: Module admin_gtk
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Source Code for Module flumotion.component.producers.audiotest.admin_gtk

  1  # -*- Mode: Python -*- 
  2  # vi:si:et:sw=4:sts=4:ts=4 
  3   
  4  # Flumotion - a streaming media server 
  5  # Copyright (C) 2004,2005,2006,2007,2008,2009 Fluendo, S.L. 
  6  # Copyright (C) 2010,2011 Flumotion Services, S.A. 
  7  # All rights reserved. 
  8  # 
  9  # This file may be distributed and/or modified under the terms of 
 10  # the GNU Lesser General Public License version 2.1 as published by 
 11  # the Free Software Foundation. 
 12  # This file is distributed without any warranty; without even the implied 
 13  # warranty of merchantability or fitness for a particular purpose. 
 14  # See "LICENSE.LGPL" in the source distribution for more information. 
 15  # 
 16  # Headers in this file shall remain intact. 
 17   
 18  from gettext import gettext as _ 
 19   
 20  from flumotion.component.base.admin_gtk import BaseAdminGtk 
 21  from flumotion.component.base.baseadminnode import BaseAdminGtkNode 
 22  from flumotion.component.effects.volume.admin_gtk import VolumeAdminGtkNode 
 23   
 24  __version__ = "$Rev$" 
 25   
 26   
27 -class AudioTestAdminGtkNode(BaseAdminGtkNode):
28 logCategory = 'audiotest' 29 gladeFile = 'flumotion/component/producers/audiotest/audiotest.glade' 30 uiStateHandlers = None 31
32 - def haveWidgetTree(self):
33 self.widget = self.wtree.get_widget('widget-audiotest') 34 self._scale = self.wtree.get_widget('scale-frequency') 35 self._spinbutton = self.wtree.get_widget('spinbutton-frequency') 36 self._combobox = self.wtree.get_widget('combobox-wave') 37 self._combobox.prefill(['Sine', 'Square', 'Saw', 'Triangle', 'Silence', 38 'White-noise', 'Pink-noise', 'Sine table', 39 'Ticks']) 40 41 self._scale_change_id = self._scale.connect('value-changed', 42 self.frequency_changed_cb) 43 self._spinbutton_change_id = self._spinbutton.connect('value-changed', 44 self.frequency_changed_cb) 45 self._combobox_change_id = self._combobox.connect('changed', 46 self.wave_changed_cb)
47
48 - def setUIState(self, state):
49 BaseAdminGtkNode.setUIState(self, state) 50 if not self.uiStateHandlers: 51 self.uiStateHandlers = {'wave': self.waveSet, 52 'frequency': self.frequencySet, 53 'samplerate': self.samplerateSet} 54 for k, handler in self.uiStateHandlers.items(): 55 handler(state.get(k))
56
57 - def frequency_changed_cb(self, widget):
58 value = widget.get_value() 59 d = self.callRemote("setFrequency", value) 60 d.addErrback(self.warningFailure)
61
62 - def stateSet(self, state, key, value):
63 handler = self.uiStateHandlers.get(key, None) 64 if handler: 65 handler(value)
66
67 - def wave_changed_cb(self, widget):
68 waveName = widget.get_active() 69 d = self.callRemote("setWave", waveName) 70 d.addErrback(self.warningFailure)
71
72 - def samplerateSet(self, samplerate):
73 self._scale.set_range(1, samplerate) 74 self._spinbutton.set_range(1, samplerate)
75
76 - def frequencySet(self, value):
77 self._scale.handler_block(self._scale_change_id) 78 self._scale.set_value(value) 79 self._scale.handler_unblock(self._scale_change_id) 80 self._spinbutton.handler_block(self._spinbutton_change_id) 81 self._spinbutton.set_value(value) 82 self._spinbutton.handler_unblock(self._spinbutton_change_id)
83
84 - def waveSet(self, value):
85 self._combobox.handler_block(self._combobox_change_id) 86 self._combobox.set_active(value) 87 self._combobox.handler_unblock(self._combobox_change_id)
88 89
90 -class AudioTestAdminGtk(BaseAdminGtk):
91
92 - def setup(self):
93 volume = VolumeAdminGtkNode(self.state, self.admin, 94 'volume', title=_("Volume")) 95 self.nodes['Volume'] = volume 96 audiotest = AudioTestAdminGtkNode(self.state, self.admin, 97 title=_("Audio Test")) 98 self.nodes['Audio Test'] = audiotest 99 return BaseAdminGtk.setup(self)
100