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 gi
  19 gi.require_version('GConf', '2.0')
  20 from gi.repository import GObject
  21
  22 try:
  23     from gi.repository 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.ClientPreloadType.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', self.on_gconf_vumeter_color_change)
  68             self.gconf_client.notify_add('/apps/jack_mixer/vumeter_color_scheme', self.on_gconf_vumeter_color_scheme_change)
  69             self.gconf_client.notify_add('/apps/jack_mixer/use_custom_widgets', self.on_gconf_use_custom_widgets_change)
  70         else:
  71             self.default_meter_scale = meter_scales[0]
  72             self.default_slider_scale = slider_scales[0]
  73             self.vumeter_color = '#ccb300'
  74             self.vumeter_color_scheme = 'default'
  75             self.use_custom_widgets = False
  76
  77     def on_gconf_default_meter_scale_changed(self, client, connection_id, entry):
  78         #print "GConf default_meter_scale changed"
  79         scale_id = entry.get_value().get_string()
  80         scale = lookup_scale(self.meter_scales, scale_id)
  81         self.set_default_meter_scale(scale, from_gconf=True)
  82
  83     def set_default_meter_scale(self, scale, from_gconf=False):
  84         if scale:
  85             if GConf and not from_gconf:
  86                 self.gconf_client.set_string("/apps/jack_mixer/default_meter_scale", scale.scale_id)
  87             else:
  88                 self.default_meter_scale = scale
  89                 self.emit("default-meter-scale-changed", self.default_meter_scale)
  90         else:
  91             print("Ignoring GConf default_meter_scale setting, because \"%s\" scale is not known" % scale_id)
  92
  93     def on_gconf_default_slider_scale_changed(self, client, connection_id, entry):
  94         #print "GConf default_slider_scale changed"
  95         scale_id = entry.get_value().get_string()
  96         scale = lookup_scale(self.slider_scales, scale_id)
  97         self.set_default_slider_scale(scale, from_gconf=True)
  98
  99     def set_default_slider_scale(self, scale, from_gconf=False):
 100         if scale:
 101             if GConf and not from_gconf:
 102                 self.gconf_client.set_string("/apps/jack_mixer/default_slider_scale", scale.scale_id)
 103             else:
 104                 self.default_slider_scale = scale
 105                 self.emit("default-slider-scale-changed", self.default_slider_scale)
 106         else:
 107             print("Ignoring GConf default_slider_scale setting, because \"%s\" scale is not known" % scale_id)
 108
 109     def set_vumeter_color(self, color, from_gconf=False):
 110         if GConf and not from_gconf:
 111             self.gconf_client.set_string('/apps/jack_mixer/vumeter_color', color)
 112         else:
 113             self.vumeter_color = color
 114             self.emit('vumeter-color-changed', self.vumeter_color)
 115
 116     def on_gconf_vumeter_color_change(self, client, connection_id, entry):
 117         color = entry.get_value().get_string()
 118         self.set_vumeter_color(color, from_gconf=True)
 119
 120     def set_vumeter_color_scheme(self, color_scheme, from_gconf=False):
 121         if GConf and not from_gconf:
 122             self.gconf_client.set_string('/apps/jack_mixer/vumeter_color_scheme', color_scheme)
 123         else:
 124             self.vumeter_color_scheme = color_scheme
 125             self.emit('vumeter-color-scheme-changed', self.vumeter_color_scheme)
 126
 127     def on_gconf_vumeter_color_scheme_change(self, client, connection_id, entry):
 128         color_scheme = entry.get_value().get_string()
 129         self.set_vumeter_color_scheme(color_scheme, from_gconf=True)
 130
 131     def set_use_custom_widgets(self, use_custom, from_gconf=False):
 132         if GConf and not from_gconf:
 133             self.gconf_client.set_bool('/apps/jack_mixer/use_custom_widgets', use_custom)
 134         else:
 135             self.use_custom_widgets = use_custom
 136             self.emit('use-custom-widgets-changed', self.use_custom_widgets)
 137
 138     def on_gconf_use_custom_widgets_change(self, client, connection_id, entry):
 139         use_custom = entry.get_value().get_bool()
 140         self.set_use_custom_widgets(use_custom, from_gconf=True)
 141
 142     def get_default_meter_scale(self):
 143         return self.default_meter_scale
 144
 145     def get_default_slider_scale(self):
 146         return self.default_slider_scale
 147
 148     def get_vumeter_color(self):
 149         return self.vumeter_color
 150
 151     def get_vumeter_color_scheme(self):
 152         return self.vumeter_color_scheme
 153
 154     def get_use_custom_widgets(self):
 155         return self.use_custom_widgets
 156
 157
 158 GObject.signal_new("default-meter-scale-changed", Factory,
 159                 GObject.SignalFlags.RUN_FIRST | GObject.SignalFlags.ACTION,
 160                 None, [GObject.TYPE_PYOBJECT])
 161 GObject.signal_new("default-slider-scale-changed", Factory,
 162                 GObject.SignalFlags.RUN_FIRST | GObject.SignalFlags.ACTION,
 163                 None, [GObject.TYPE_PYOBJECT])
 164 GObject.signal_new('vumeter-color-changed', Factory,
 165                 GObject.SignalFlags.RUN_FIRST | GObject.SignalFlags.ACTION,
 166                 None, [str])
 167 GObject.signal_new('vumeter-color-scheme-changed', Factory,
 168                 GObject.SignalFlags.RUN_FIRST | GObject.SignalFlags.ACTION,
 169                 None, [str])
 170 GObject.signal_new('use-custom-widgets-changed', Factory,
 171                 GObject.SignalFlags.RUN_FIRST | GObject.SignalFlags.ACTION,
 172                 None, [bool])