lib/slider.rb

   1 # $Id: slider.rb,v 1.3 2006/05/13 14:59:17 tilman Exp $
   2
   3 class Slider
   4         def initialize(edje, xmms, part, config)
   5                 @edje = edje
   6                 @xmms = xmms
   7                 @part = part
   8                 @config = config
   9                 @val = nil
  10
  11                 self.value = @xmms.configval_get(config).wait.value
  12
  13                 @edje.on_signal("drag", @part) do
  14                         v = on_drag(@edje.part(@part).get_drag_value)
  15                         @xmms.configval_set(@config, v).wait unless v.nil?
  16                 end
  17         end
  18
  19         def value=(v)
  20         end
  21
  22 protected
  23         def on_drag(d)
  24         end
  25 end
  26
  27 class VolumeSlider < Slider
  28         attr_reader :part, :config
  29
  30         def initialize(edje, xmms, part)
  31                 @edje = edje
  32                 @xmms = xmms
  33                 @part = part
  34                 @val = nil
  35
  36                 self.value = @xmms.playback_volume_get.wait.value
  37
  38                 @edje.on_signal("drag", @part) do
  39                         v = on_drag(@edje.part(@part).get_drag_value)
  40
  41                         unless v.nil?
  42                                 @xmms.playback_volume_set("left", v).wait
  43                                 @xmms.playback_volume_set("right", v).wait
  44                         end
  45                 end
  46         end
  47
  48         def value=(v)
  49                 v = (1.0 - (v[:left].to_f / 100.0)).abs
  50
  51                 if !@val || @val != v
  52                         @val = v
  53                         @edje.part(@part).set_drag_value(0.1, v)
  54                 end
  55         end
  56
  57         def on_drag(d)
  58                 ret = nil
  59                 v = (1.0 - d[1]).abs
  60
  61                 if @val != v
  62                         @val = v
  63                         ret = (v * 100).to_i
  64                 end
  65
  66                 ret
  67         end
  68 end
  69
  70 class EqSlider < Slider
  71         attr_reader :part, :config
  72
  73         def value=(v)
  74                 v = (1.0 - v.to_f).abs
  75
  76                 if !@val || @val != v
  77                         @val = v
  78                         @edje.part(@part).set_drag_value(0.1, v)
  79                 end
  80         end
  81
  82         def on_drag(d)
  83                 ret = nil
  84                 v = (1.0 - d[1]).abs
  85
  86                 if @val != v
  87                         @val = v
  88                         ret = v.to_s
  89                 end
  90
  91                 ret
  92         end
  93 end