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 from gi.repository import GObject
  20 import os
  21 import configparser
  22
  23 try:
  24     import xdg
  25     from xdg import BaseDirectory
  26 except:
  27     xdg = None
  28
  29 def lookup_scale(scales, scale_id):
  30     for scale in scales:
  31         if scale_id == scale.scale_id:
  32             return scale
  33     return None
  34
  35 class Factory(GObject.GObject):
  36     def __init__(self, topwindow, meter_scales, slider_scales):
  37         GObject.GObject.__init__(self)
  38         self.topwindow = topwindow
  39         self.meter_scales = meter_scales
  40         self.slider_scales = slider_scales
  41
  42         if xdg:
  43             self.config = configparser.ConfigParser()
  44             self.path = os.path.join(BaseDirectory.save_config_path('jack_mixer'), 'preferences.ini')
  45             if os.path.isfile(self.path):
  46                 self.read_preferences()
  47             else:
  48                 self.set_default_preferences()
  49                 self.write_preferences()
  50         else:
  51             print("Cannot load PyXDG. Your preferences will not be preserved across jack_mixer invocations")
  52             self.set_default_preferences()
  53
  54     def set_default_preferences(self):
  55         self.default_meter_scale = self.meter_scales[0]
  56         self.default_slider_scale = self.slider_scales[0]
  57         self.vumeter_color = '#ccb300'
  58         self.vumeter_color_scheme = 'default'
  59         self.use_custom_widgets = False
  60
  61     def read_preferences(self):
  62         self.config.read(self.path)
  63         scale_id = self.config['Preferences']['default_meter_scale']
  64         self.default_meter_scale = lookup_scale(self.meter_scales, scale_id)
  65         if not self.default_meter_scale:
  66             self.default_meter_scale = meter_scales[0]
  67
  68         scale_id = self.config['Preferences']['default_slider_scale']
  69         self.default_slider_scale = lookup_scale(self.slider_scales, scale_id)
  70         if not self.default_slider_scale:
  71             self.default_slider_scale = slider_scales[0]
  72
  73         self.vumeter_color_scheme = self.config['Preferences']['vumeter_color_scheme']
  74         if not self.vumeter_color_scheme:
  75             self.vumeter_color_scheme = 'default'
  76
  77         self.vumeter_color = self.config['Preferences']['vumeter_color']
  78         if not self.vumeter_color:
  79             self.vumeter_color = '#ccb300'
  80
  81         self.use_custom_widgets = self.config["Preferences"]["use_custom_widgets"] == 'True'
  82
  83     def write_preferences(self):
  84         self.config['Preferences'] = {}
  85         self.config['Preferences']['default_meter_scale'] = self.default_meter_scale.scale_id
  86         self.config['Preferences']['default_slider_scale'] = self.default_slider_scale.scale_id
  87         self.config['Preferences']['vumeter_color_scheme'] = self.vumeter_color_scheme
  88         self.config['Preferences']['vumeter_color'] = self.vumeter_color
  89         self.config['Preferences']['use_custom_widgets'] = str(self.use_custom_widgets)
  90         with open(self.path, 'w') as configfile:
  91             self.config.write(configfile)
  92
  93     def set_default_meter_scale(self, scale):
  94         if scale:
  95             self.default_meter_scale = scale
  96             if xdg:
  97                 self.write_preferences()
  98             self.emit("default-meter-scale-changed", self.default_meter_scale)
  99         else:
 100             print("Ignoring default_meter_scale setting, because \"%s\" scale is not known" % scale_id)
 101
 102     def set_default_slider_scale(self, scale):
 103         if scale:
 104             self.default_slider_scale = scale
 105             if xdg:
 106                 self.write_preferences()
 107             self.emit("default-slider-scale-changed", self.default_slider_scale)
 108         else:
 109             print("Ignoring default_slider_scale setting, because \"%s\" scale is not known" % scale_id)
 110
 111     def set_vumeter_color(self, color):
 112         self.vumeter_color = color
 113         if xdg:
 114             self.write_preferences()
 115         self.emit('vumeter-color-changed', self.vumeter_color)
 116
 117     def set_vumeter_color_scheme(self, color_scheme):
 118         self.vumeter_color_scheme = color_scheme
 119         if xdg:
 120             self.write_preferences()
 121         self.emit('vumeter-color-scheme-changed', self.vumeter_color_scheme)
 122
 123     def set_use_custom_widgets(self, use_custom):
 124         self.use_custom_widgets = use_custom
 125         if xdg:
 126             self.write_preferences()
 127         self.emit('use-custom-widgets-changed', self.use_custom_widgets)
 128
 129     def get_default_meter_scale(self):
 130         return self.default_meter_scale
 131
 132     def get_default_slider_scale(self):
 133         return self.default_slider_scale
 134
 135     def get_vumeter_color(self):
 136         return self.vumeter_color
 137
 138     def get_vumeter_color_scheme(self):
 139         return self.vumeter_color_scheme
 140
 141     def get_use_custom_widgets(self):
 142         return self.use_custom_widgets
 143
 144 GObject.signal_new("default-meter-scale-changed", Factory,
 145                 GObject.SignalFlags.RUN_FIRST | GObject.SignalFlags.ACTION,
 146                 None, [GObject.TYPE_PYOBJECT])
 147 GObject.signal_new("default-slider-scale-changed", Factory,
 148                 GObject.SignalFlags.RUN_FIRST | GObject.SignalFlags.ACTION,
 149                 None, [GObject.TYPE_PYOBJECT])
 150 GObject.signal_new('vumeter-color-changed', Factory,
 151                 GObject.SignalFlags.RUN_FIRST | GObject.SignalFlags.ACTION,
 152                 None, [str])
 153 GObject.signal_new('vumeter-color-scheme-changed', Factory,
 154                 GObject.SignalFlags.RUN_FIRST | GObject.SignalFlags.ACTION,
 155                 None, [str])
 156 GObject.signal_new('use-custom-widgets-changed', Factory,
 157                 GObject.SignalFlags.RUN_FIRST | GObject.SignalFlags.ACTION,
 158                 None, [bool])