git.maemo.org Git - jamaendo/blob - jamaui/songposition.py

   1 import logging
   2 import gtk
   3 import cairo
   4
   5 log = logging.getLogger(__name__)
   6
   7 # shows the current song position (looking a bit nicer than a default widget, hopefully)
   8 class SongPosition(gtk.DrawingArea):
   9     WIDTH = 32.0
  10     HEIGHT = 16.0
  11
  12     def __init__(self):
  13         gtk.DrawingArea.__init__(self)
  14         self.connect('expose-event', self.on_expose)
  15         self.set_size_request(int(self.WIDTH), int(self.HEIGHT))
  16         self.pos = 0.0
  17
  18         orange0 = self.hex_to_flt(0xec, 0xac, 0x1f)
  19         orange1 = self.hex_to_flt(0xea, 0x86, 0x1d)
  20         orange2 = self.hex_to_flt(0xda, 0x76, 0x0d)
  21         orange3 = self.hex_to_flt(0xd0, 0x70, 0x00)
  22         purple0 = self.hex_to_flt(0x81, 0x3e, 0x82)
  23         purple1 = self.hex_to_flt(0x56, 0x2d, 0x5a)
  24
  25         lightclr = cairo.LinearGradient(0.0, 0.0, 0.0, self.HEIGHT)
  26         lightclr.add_color_stop_rgb(0.0, 1.0, 1.0, 1.0)
  27         lightclr.add_color_stop_rgb(0.1, *orange0)
  28         lightclr.add_color_stop_rgb(0.5, *orange1)
  29         lightclr.add_color_stop_rgb(0.5, *orange2)
  30         lightclr.add_color_stop_rgb(1.0, *orange3)
  31
  32         darkclr = cairo.LinearGradient(0.0, 0.0, 0.0, self.HEIGHT)
  33         darkclr.add_color_stop_rgb(0.0, 0.5, 0.5, 0.5)
  34         darkclr.add_color_stop_rgb(0.5, 0.0, 0.0, 0.0)
  35         darkclr.add_color_stop_rgb(1.0, 0.25, 0.25, 0.25)
  36
  37         markerclr = cairo.LinearGradient(0.0, 0.0, 0.0, self.HEIGHT)
  38         markerclr.add_color_stop_rgb(0.0, 1.0, 1.0, 1.0)
  39         markerclr.add_color_stop_rgb(0.5, 1.0, 1.0, 1.0)
  40         markerclr.add_color_stop_rgb(1.0, 1.0, 1.0, 1.0)
  41
  42         self.lightclr = lightclr
  43         self.darkclr = darkclr
  44         self.markerclr = markerclr
  45
  46     def on_expose(self, widget, event):
  47         context = self.window.cairo_create()
  48         context.rectangle(event.area.x, event.area.y,
  49             event.area.width, event.area.height)
  50         context.clip()
  51         self.draw(context)
  52         return True
  53
  54     #ecac1f - light orange
  55     #ea861d - dark orange
  56
  57     #813e82 - light purple
  58     #562d5a - dark purple
  59
  60     def hex_to_flt(self, r, g, b):
  61         return float(r)/255.0, float(g)/255.0, float(b)/255.0
  62
  63     def draw(self, context):
  64         rect = self.get_allocation()
  65
  66
  67         #context.set_source_rgb(1.0, 0.5, 0.0)
  68         lowx = rect.width*self.pos
  69         hix = rect.width*self.pos
  70
  71         if lowx < 0.0:
  72             lowx = 0.0
  73             hix = self.WIDTH
  74         elif hix > rect.width:
  75             lowx = rect.width - self.WIDTH
  76             hix = rect.width
  77
  78         context.rectangle(0, 0, rect.width, rect.height)
  79         context.set_source(self.darkclr)
  80         context.fill()
  81
  82         if lowx > 0.01:
  83             context.rectangle(0, 0, lowx, rect.height)
  84             context.set_source(self.lightclr)
  85             context.fill()
  86
  87         context.rectangle(0, 0, rect.width, rect.height)
  88         context.set_source_rgb(0.3, 0.3, 0.3)
  89         context.stroke()
  90
  91         #context.rectangle(lowx, 0, self.WIDTH, rect.height)
  92         #context.set_source(self.markerclr)
  93         #context.fill()
  94
  95     def set_position(self, pos):
  96         if pos < 0.0:
  97             pos = 0.0
  98         elif pos > 1.0:
  99             pos = 1.0
 100         self.pos = pos
 101         self.invalidate()
 102
 103     def invalidate(self):
 104         self.queue_draw()