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 Fluendo, S.L. (www.fluendo.com). 
  6  # All rights reserved. 
  7   
  8  # This file may be distributed and/or modified under the terms of 
  9  # the GNU General Public License version 2 as published by 
 10  # the Free Software Foundation. 
 11  # This file is distributed without any warranty; without even the implied 
 12  # warranty of merchantability or fitness for a particular purpose. 
 13  # See "LICENSE.GPL" in the source distribution for more information. 
 14   
 15  # Licensees having purchased or holding a valid Flumotion Advanced 
 16  # Streaming Server license may use this file in accordance with the 
 17  # Flumotion Advanced Streaming Server Commercial License Agreement. 
 18  # See "LICENSE.Flumotion" in the source distribution for more information. 
 19   
 20  # Headers in this file shall remain intact. 
 21   
 22  from gettext import gettext as _ 
 23   
 24  from flumotion.component.base.admin_gtk import BaseAdminGtk 
 25  from flumotion.component.base.baseadminnode import BaseAdminGtkNode 
 26  from flumotion.component.effects.volume.admin_gtk import VolumeAdminGtkNode 
 27   
 28  __version__ = "$Rev: 7888 $" 
 29   
 30   
31 -class AudioTestAdminGtkNode(BaseAdminGtkNode):
32 logCategory = 'audiotest' 33 gladeFile = 'flumotion/component/producers/audiotest/audiotest.glade' 34 uiStateHandlers = None 35
36 - def haveWidgetTree(self):
37 self.widget = self.wtree.get_widget('widget-audiotest') 38 self._scale = self.wtree.get_widget('scale-frequency') 39 self._spinbutton = self.wtree.get_widget('spinbutton-frequency') 40 self._combobox = self.wtree.get_widget('combobox-wave') 41 self._combobox.prefill(['Sine', 'Square', 'Saw']) 42 43 self._scale_change_id = self._scale.connect('value-changed', 44 self.frequency_changed_cb) 45 self._spinbutton_change_id = self._spinbutton.connect('value-changed', 46 self.frequency_changed_cb) 47 self._combobox_change_id = self._combobox.connect('changed', 48 self.wave_changed_cb)
49
50 - def setUIState(self, state):
51 BaseAdminGtkNode.setUIState(self, state) 52 if not self.uiStateHandlers: 53 self.uiStateHandlers = {'wave': self.waveSet, 54 'frequency': self.frequencySet, 55 'samplerate': self.samplerateSet} 56 for k, handler in self.uiStateHandlers.items(): 57 handler(state.get(k))
58
59 - def frequency_changed_cb(self, widget):
60 value = widget.get_value() 61 d = self.callRemote("setFrequency", value) 62 d.addErrback(self.warningFailure)
63
64 - def stateSet(self, state, key, value):
65 handler = self.uiStateHandlers.get(key, None) 66 if handler: 67 handler(value)
68
69 - def wave_changed_cb(self, widget):
70 waveName = widget.get_active() 71 d = self.callRemote("setWave", waveName) 72 d.addErrback(self.warningFailure)
73
74 - def samplerateSet(self, samplerate):
75 self._scale.set_range(1, samplerate) 76 self._spinbutton.set_range(1, samplerate)
77
78 - def frequencySet(self, value):
79 self._scale.handler_block(self._scale_change_id) 80 self._scale.set_value(value) 81 self._scale.handler_unblock(self._scale_change_id) 82 self._spinbutton.handler_block(self._spinbutton_change_id) 83 self._spinbutton.set_value(value) 84 self._spinbutton.handler_unblock(self._spinbutton_change_id)
85
86 - def waveSet(self, value):
87 self._combobox.handler_block(self._combobox_change_id) 88 self._combobox.set_active(value) 89 self._combobox.handler_unblock(self._combobox_change_id)
90 91
92 -class AudioTestAdminGtk(BaseAdminGtk):
93
94 - def setup(self):
95 volume = VolumeAdminGtkNode(self.state, self.admin, 96 'volume', title=_("Volume")) 97 self.nodes['Volume'] = volume 98 audiotest = AudioTestAdminGtkNode(self.state, self.admin, 99 title=_("Audio Test")) 100 self.nodes['Audio Test'] = audiotest 101 return BaseAdminGtk.setup(self)
102