gui.py

   1 #!/usr/bin/env python
   2 #
   3 # This file is part of jack_mixer
   4 #
   5 # Copyright (C) 2006 Nedko Arnaudov <nedko@arnaudov.name>
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; version 2 of the License
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19
  20 import gobject
  21
  22 try:
  23     import gconf
  24 except:
  25     print "Cannot load Python bindings for GConf, your preferences will not be preserved across jack_mixer invocations"
  26     gconf = None
  27
  28 def lookup_scale(scales, scale_id):
  29     for scale in scales:
  30         if scale_id == scale.scale_id:
  31             return scale
  32     return None
  33
  34 class factory(gobject.GObject):
  35     def __init__(self, topwindow, meter_scales, slider_scales):
  36         gobject.GObject.__init__(self)
  37         self.topwindow = topwindow
  38         self.meter_scales = meter_scales
  39         self.slider_scales = slider_scales
  40
  41         if gconf:
  42             self.gconf_client = gconf.client_get_default()
  43
  44             scale_id = self.gconf_client.get_string("/apps/jack_mixer/default_meter_scale")
  45             self.default_meter_scale = lookup_scale(meter_scales, scale_id)
  46             if not self.default_meter_scale:
  47                 self.default_meter_scale = meter_scales[0]
  48
  49             scale_id = self.gconf_client.get_string("/apps/jack_mixer/default_slider_scale")
  50             self.default_slider_scale = lookup_scale(slider_scales, scale_id)
  51             if not self.default_slider_scale:
  52                 self.default_slider_scale = slider_scales[0]
  53
  54             self.vumeter_color_scheme = self.gconf_client.get_string(
  55                             '/apps/jack_mixer/vumeter_color_scheme')
  56             self.vumeter_color = self.gconf_client.get_string(
  57                             '/apps/jack_mixer/vumeter_color')
  58             if not self.vumeter_color:
  59                 self.vumeter_color = '#ccb300'
  60
  61             self.use_custom_widgets = self.gconf_client.get_bool(
  62                             '/apps/jack_mixer/use_custom_widgets')
  63
  64             self.gconf_client.add_dir("/apps/jack_mixer", gconf.CLIENT_PRELOAD_NONE)
  65             self.gconf_client.notify_add("/apps/jack_mixer/default_meter_scale", self.on_gconf_default_meter_scale_changed)
  66             self.gconf_client.notify_add("/apps/jack_mixer/default_slider_scale", self.on_gconf_default_slider_scale_changed)
  67             self.gconf_client.notify_add('/apps/jack_mixer/vumeter_color',
  68                             self.on_gconf_vumeter_color_change)
  69             self.gconf_client.notify_add('/apps/jack_mixer/vumeter_color_scheme',
  70                             self.on_gconf_vumeter_color_scheme_change)
  71             self.gconf_client.notify_add('/apps/jack_mixer/use_custom_widgets',
  72                             self.on_gconf_use_custom_widgets_change)
  73         else:
  74             self.default_meter_scale = meter_scales[0]
  75             self.default_slider_scale = slider_scales[0]
  76             self.vumeter_color = '#ccb300'
  77             self.vumeter_color_scheme = 'default'
  78             self.use_custom_widgets = False
  79
  80     def on_gconf_default_meter_scale_changed(self, client, connection_id, entry, args):
  81         #print "GConf default_meter_scale changed"
  82         scale_id = entry.get_value().get_string()
  83         scale = lookup_scale(self.meter_scales, scale_id)
  84         self.set_default_meter_scale(scale, from_gconf=True)
  85
  86     def set_default_meter_scale(self, scale, from_gconf=False):
  87         if scale:
  88             if gconf and not from_gconf:
  89                 self.gconf_client.set_string("/apps/jack_mixer/default_meter_scale", scale.scale_id)
  90             else:
  91                 self.default_meter_scale = scale
  92                 self.emit("default-meter-scale-changed", self.default_meter_scale)
  93         else:
  94             print "Ignoring GConf default_meter_scale setting, because \"%s\" scale is not known" % scale_id
  95
  96     def on_gconf_default_slider_scale_changed(self, client, connection_id, entry, args):
  97         #print "GConf default_slider_scale changed"
  98         scale_id = entry.get_value().get_string()
  99         scale = lookup_scale(self.slider_scales, scale_id)
 100         self.set_default_slider_scale(scale, from_gconf=True)
 101
 102     def set_default_slider_scale(self, scale, from_gconf=False):
 103         if scale:
 104             if gconf and not from_gconf:
 105                 self.gconf_client.set_string("/apps/jack_mixer/default_slider_scale", scale.scale_id)
 106             else:
 107                 self.default_slider_scale = scale
 108                 self.emit("default-slider-scale-changed", self.default_slider_scale)
 109         else:
 110             print "Ignoring GConf default_slider_scale setting, because \"%s\" scale is not known" % scale_id
 111
 112     def set_vumeter_color(self, color, from_gconf=False):
 113         if gconf and not from_gconf:
 114             self.gconf_client.set_string('/apps/jack_mixer/vumeter_color', color)
 115         else:
 116             self.vumeter_color = color
 117             self.emit('vumeter-color-changed', self.vumeter_color)
 118
 119     def on_gconf_vumeter_color_change(self, client, connection_id, entry, args):
 120         color = entry.get_value().get_string()
 121         self.set_vumeter_color(color, from_gconf=True)
 122
 123     def set_vumeter_color_scheme(self, color_scheme, from_gconf=False):
 124         if gconf and not from_gconf:
 125             self.gconf_client.set_string('/apps/jack_mixer/vumeter_color_scheme', color_scheme)
 126         else:
 127             self.vumeter_color_scheme = color_scheme
 128             self.emit('vumeter-color-scheme-changed', self.vumeter_color_scheme)
 129
 130     def on_gconf_vumeter_color_scheme_change(self, client, connection_id, entry, args):
 131         color_scheme = entry.get_value().get_string()
 132         self.set_vumeter_color_scheme(color_scheme, from_gconf=True)
 133
 134     def set_use_custom_widgets(self, use_custom, from_gconf=False):
 135         if gconf and not from_gconf:
 136             self.gconf_client.set_bool('/apps/jack_mixer/use_custom_widgets', use_custom)
 137         else:
 138             self.use_custom_widgets = use_custom
 139             self.emit('use-custom-widgets-changed', self.use_custom_widgets)
 140
 141     def on_gconf_use_custom_widgets_change(self, client, connection_id, entry, args):
 142         use_custom = entry.get_value().get_bool()
 143         self.set_use_custom_widgets(use_custom, from_gconf=True)
 144
 145     def get_default_meter_scale(self):
 146         return self.default_meter_scale
 147
 148     def get_default_slider_scale(self):
 149         return self.default_slider_scale
 150
 151     def get_vumeter_color(self):
 152         return self.vumeter_color
 153
 154     def get_vumeter_color_scheme(self):
 155         return self.vumeter_color_scheme
 156
 157     def get_use_custom_widgets(self):
 158         return self.use_custom_widgets
 159
 160 gobject.signal_new("default-meter-scale-changed", factory, gobject.SIGNAL_RUN_FIRST | gobject.SIGNAL_ACTION, gobject.TYPE_NONE, [gobject.TYPE_PYOBJECT])
 161 gobject.signal_new("default-slider-scale-changed", factory, gobject.SIGNAL_RUN_FIRST | gobject.SIGNAL_ACTION, gobject.TYPE_NONE, [gobject.TYPE_PYOBJECT])
 162 gobject.signal_new('vumeter-color-changed', factory,
 163                 gobject.SIGNAL_RUN_FIRST | gobject.SIGNAL_ACTION,
 164                 gobject.TYPE_NONE, [str])
 165 gobject.signal_new('vumeter-color-scheme-changed', factory,
 166                 gobject.SIGNAL_RUN_FIRST | gobject.SIGNAL_ACTION,
 167                 gobject.TYPE_NONE, [str])
 168 gobject.signal_new('use-custom-widgets-changed', factory,
 169                 gobject.SIGNAL_RUN_FIRST | gobject.SIGNAL_ACTION,
 170                 gobject.TYPE_NONE, [bool])