gui.py

   1 # This file is part of jack_mixer
   2 #
   3 # Copyright (C) 2006 Nedko Arnaudov <nedko@arnaudov.name>
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; version 2 of the License
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  17
  18 import gobject
  19
  20 try:
  21     import gconf
  22 except:
  23     print "Cannot load Python bindings for GConf, your preferences will not be preserved across jack_mixer invocations"
  24     gconf = None
  25
  26 def lookup_scale(scales, scale_id):
  27     for scale in scales:
  28         if scale_id == scale.scale_id:
  29             return scale
  30     return None
  31
  32 class Factory(gobject.GObject):
  33     def __init__(self, topwindow, meter_scales, slider_scales):
  34         gobject.GObject.__init__(self)
  35         self.topwindow = topwindow
  36         self.meter_scales = meter_scales
  37         self.slider_scales = slider_scales
  38
  39         if gconf:
  40             self.gconf_client = gconf.client_get_default()
  41
  42             scale_id = self.gconf_client.get_string("/apps/jack_mixer/default_meter_scale")
  43             self.default_meter_scale = lookup_scale(meter_scales, scale_id)
  44             if not self.default_meter_scale:
  45                 self.default_meter_scale = meter_scales[0]
  46
  47             scale_id = self.gconf_client.get_string("/apps/jack_mixer/default_slider_scale")
  48             self.default_slider_scale = lookup_scale(slider_scales, scale_id)
  49             if not self.default_slider_scale:
  50                 self.default_slider_scale = slider_scales[0]
  51
  52             self.vumeter_color_scheme = self.gconf_client.get_string(
  53                             '/apps/jack_mixer/vumeter_color_scheme')
  54             self.vumeter_color = self.gconf_client.get_string(
  55                             '/apps/jack_mixer/vumeter_color')
  56             if not self.vumeter_color:
  57                 self.vumeter_color = '#ccb300'
  58
  59             self.use_custom_widgets = self.gconf_client.get_bool(
  60                             '/apps/jack_mixer/use_custom_widgets')
  61
  62             self.minimize_to_tray = self.gconf_client.get_bool(
  63                             '/apps/jack_mixer/minimize_to_tray')
  64
  65             self.gconf_client.add_dir("/apps/jack_mixer", gconf.CLIENT_PRELOAD_NONE)
  66             self.gconf_client.notify_add("/apps/jack_mixer/default_meter_scale", self.on_gconf_default_meter_scale_changed)
  67             self.gconf_client.notify_add("/apps/jack_mixer/default_slider_scale", self.on_gconf_default_slider_scale_changed)
  68             self.gconf_client.notify_add('/apps/jack_mixer/vumeter_color',
  69                             self.on_gconf_vumeter_color_change)
  70             self.gconf_client.notify_add('/apps/jack_mixer/vumeter_color_scheme',
  71                             self.on_gconf_vumeter_color_scheme_change)
  72             self.gconf_client.notify_add('/apps/jack_mixer/use_custom_widgets',
  73                             self.on_gconf_use_custom_widgets_change)
  74             self.gconf_client.notify_add('/apps/jack_mixer/minimize_to_tray',
  75                             self.on_gconf_minimize_to_tray_change)
  76         else:
  77             self.default_meter_scale = meter_scales[0]
  78             self.default_slider_scale = slider_scales[0]
  79             self.vumeter_color = '#ccb300'
  80             self.vumeter_color_scheme = 'default'
  81             self.use_custom_widgets = False
  82             self.minimize_to_tray = True
  83
  84     def on_gconf_default_meter_scale_changed(self, client, connection_id, entry, args):
  85         #print "GConf default_meter_scale changed"
  86         scale_id = entry.get_value().get_string()
  87         scale = lookup_scale(self.meter_scales, scale_id)
  88         self.set_default_meter_scale(scale, from_gconf=True)
  89
  90     def set_default_meter_scale(self, scale, from_gconf=False):
  91         if scale:
  92             if gconf and not from_gconf:
  93                 self.gconf_client.set_string("/apps/jack_mixer/default_meter_scale", scale.scale_id)
  94             else:
  95                 self.default_meter_scale = scale
  96                 self.emit("default-meter-scale-changed", self.default_meter_scale)
  97         else:
  98             print "Ignoring GConf default_meter_scale setting, because \"%s\" scale is not known" % scale_id
  99
 100     def on_gconf_default_slider_scale_changed(self, client, connection_id, entry, args):
 101         #print "GConf default_slider_scale changed"
 102         scale_id = entry.get_value().get_string()
 103         scale = lookup_scale(self.slider_scales, scale_id)
 104         self.set_default_slider_scale(scale, from_gconf=True)
 105
 106     def set_default_slider_scale(self, scale, from_gconf=False):
 107         if scale:
 108             if gconf and not from_gconf:
 109                 self.gconf_client.set_string("/apps/jack_mixer/default_slider_scale", scale.scale_id)
 110             else:
 111                 self.default_slider_scale = scale
 112                 self.emit("default-slider-scale-changed", self.default_slider_scale)
 113         else:
 114             print "Ignoring GConf default_slider_scale setting, because \"%s\" scale is not known" % scale_id
 115
 116     def set_vumeter_color(self, color, from_gconf=False):
 117         if gconf and not from_gconf:
 118             self.gconf_client.set_string('/apps/jack_mixer/vumeter_color', color)
 119         else:
 120             self.vumeter_color = color
 121             self.emit('vumeter-color-changed', self.vumeter_color)
 122
 123     def on_gconf_vumeter_color_change(self, client, connection_id, entry, args):
 124         color = entry.get_value().get_string()
 125         self.set_vumeter_color(color, from_gconf=True)
 126
 127     def set_vumeter_color_scheme(self, color_scheme, from_gconf=False):
 128         if gconf and not from_gconf:
 129             self.gconf_client.set_string('/apps/jack_mixer/vumeter_color_scheme', color_scheme)
 130         else:
 131             self.vumeter_color_scheme = color_scheme
 132             self.emit('vumeter-color-scheme-changed', self.vumeter_color_scheme)
 133
 134     def on_gconf_vumeter_color_scheme_change(self, client, connection_id, entry, args):
 135         color_scheme = entry.get_value().get_string()
 136         self.set_vumeter_color_scheme(color_scheme, from_gconf=True)
 137
 138     def set_use_custom_widgets(self, use_custom, from_gconf=False):
 139         if gconf and not from_gconf:
 140             self.gconf_client.set_bool('/apps/jack_mixer/use_custom_widgets', use_custom)
 141         else:
 142             self.use_custom_widgets = use_custom
 143             self.emit('use-custom-widgets-changed', self.use_custom_widgets)
 144
 145     def on_gconf_use_custom_widgets_change(self, client, connection_id, entry, args):
 146         use_custom = entry.get_value().get_bool()
 147         self.set_use_custom_widgets(use_custom, from_gconf=True)
 148
 149     def set_minimize_to_tray(self, minimize_to_tray, from_gconf=False):
 150         if gconf and not from_gconf:
 151             self.gconf_client.set_bool('/apps/jack_mixer/minimize_to_tray', minimize_to_tray)
 152         else:
 153             self.minimize_to_tray = minimize_to_tray
 154             self.emit('minimize-to-tray-changed', self.minimize_to_tray)
 155
 156     def on_gconf_minimize_to_tray_change(self, client, connection_id, entry, args):
 157         minimize_to_tray = entry.get_value().get_bool()
 158         self.set_minimize_to_tray(minimize_to_tray, from_gconf=True)
 159
 160     def get_default_meter_scale(self):
 161         return self.default_meter_scale
 162
 163     def get_default_slider_scale(self):
 164         return self.default_slider_scale
 165
 166     def get_vumeter_color(self):
 167         return self.vumeter_color
 168
 169     def get_vumeter_color_scheme(self):
 170         return self.vumeter_color_scheme
 171
 172     def get_use_custom_widgets(self):
 173         return self.use_custom_widgets
 174
 175     def get_minimize_to_tray(self):
 176         return self.minimize_to_tray
 177
 178 gobject.signal_new("default-meter-scale-changed", Factory,
 179                 gobject.SIGNAL_RUN_FIRST | gobject.SIGNAL_ACTION,
 180                 gobject.TYPE_NONE, [gobject.TYPE_PYOBJECT])
 181 gobject.signal_new("default-slider-scale-changed", Factory,
 182                 gobject.SIGNAL_RUN_FIRST | gobject.SIGNAL_ACTION,
 183                 gobject.TYPE_NONE, [gobject.TYPE_PYOBJECT])
 184 gobject.signal_new('vumeter-color-changed', Factory,
 185                 gobject.SIGNAL_RUN_FIRST | gobject.SIGNAL_ACTION,
 186                 gobject.TYPE_NONE, [str])
 187 gobject.signal_new('vumeter-color-scheme-changed', Factory,
 188                 gobject.SIGNAL_RUN_FIRST | gobject.SIGNAL_ACTION,
 189                 gobject.TYPE_NONE, [str])
 190 gobject.signal_new('use-custom-widgets-changed', Factory,
 191                 gobject.SIGNAL_RUN_FIRST | gobject.SIGNAL_ACTION,
 192                 gobject.TYPE_NONE, [bool])
 193 gobject.signal_new('minimize-to-tray-changed', Factory,
 194                 gobject.SIGNAL_RUN_FIRST | gobject.SIGNAL_ACTION,
 195                 gobject.TYPE_NONE, [bool])