sugarlabs/sugar-toolkit-gtk3
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Mute the channel when setting the volume to minimum.

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This commit is contained in:
Marco Pesenti Gritti 2007-06-13 16:32:26 +02:00
parent 42385b069f
commit d3e8ddb278
2 changed files with 17 additions and 6 deletions
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18
shell/hardware/hardwaremanager.py
View File

@ -46,20 +46,28 @@ class HardwareManager(object):
for track in self._mixer.list_tracks(): for track in self._mixer.list_tracks():
if track.flags & gst.interfaces.MIXER_TRACK_MASTER: if track.flags & gst.interfaces.MIXER_TRACK_MASTER:
self._mixer_master = track self._master = track
def set_volume(self, volume): def set_volume(self, volume):
if not self._mixer or not self._master:
logging.error('Cannot set the volume')
if volume < 0 or volume > 100: if volume < 0 or volume > 100:
logging.error('Trying to set an invalid volume value.') logging.error('Trying to set an invalid volume value.')
return return
max_volume = self._mixer_master.max_volume max_volume = self._master.max_volume
min_volume = self._mixer_master.min_volume min_volume = self._master.min_volume
volume = (volume / 100.0) * (max_volume - min_volume) + min_volume volume = (volume / 100.0) * (max_volume - min_volume) + min_volume
volume_list = [ volume ] * self._mixer_master.num_channels volume_list = [ volume ] * self._master.num_channels
self._mixer.set_volume(self._mixer_master, tuple(volume_list)) self._mixer.set_volume(self._master, tuple(volume_list))
def set_mute(self, mute):
if not self._mixer or not self._master:
logging.error('Cannot mute the audio channel')
self._mixer.set_mute(self._master, mute)
def set_display_mode(self, mode): def set_display_mode(self, mode):
if not self._service: if not self._service:

5
shell/view/keyhandler.py
View File

@ -99,18 +99,21 @@ class KeyHandler(object):
def handle_volume_1(self): def handle_volume_1(self):
hw_manager = hardwaremanager.get_hardware_manager() hw_manager = hardwaremanager.get_hardware_manager()
hw_manager.set_volume(0) hw_manager.set_mute(True)
def handle_volume_2(self): def handle_volume_2(self):
hw_manager = hardwaremanager.get_hardware_manager() hw_manager = hardwaremanager.get_hardware_manager()
hw_manager.set_mute(False)
hw_manager.set_volume(50) hw_manager.set_volume(50)
def handle_volume_3(self): def handle_volume_3(self):
hw_manager = hardwaremanager.get_hardware_manager() hw_manager = hardwaremanager.get_hardware_manager()
hw_manager.set_mute(False)
hw_manager.set_volume(80) hw_manager.set_volume(80)
def handle_volume_4(self): def handle_volume_4(self):
hw_manager = hardwaremanager.get_hardware_manager() hw_manager = hardwaremanager.get_hardware_manager()
hw_manager.set_mute(False)
hw_manager.set_volume(100) hw_manager.set_volume(100)
def handle_color_mode(self): def handle_color_mode(self):