1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
#!/usr/bin/env python
#Includes the class for status label.
import gobject
import gtk
class FadeLabel(gtk.Label):
""" GTK Label with timed fade out effect """
active_duration = 3000 # Fade start after this time
fade_duration = 1500.0 # Fade duration
def __init__(self, message='', active_color=None, inactive_color=None):
gtk.Label.__init__(self, message)
if not active_color:
active_color = '#ffffff'
self.active_color = active_color
if not inactive_color:
inactive_color = '#000000'
self.inactive_color = inactive_color
self.idle = 0
def set_text(self, message, duration=None):
if not duration:
duration = self.active_duration
self.modify_fg(gtk.STATE_NORMAL,
gtk.gdk.color_parse(self.active_color))
gtk.Label.set_text(self, message)
if self.idle:
gobject.source_remove(self.idle)
self.idle = gobject.timeout_add(duration, self.fade_start)
def fade_start(self):
self.fade_level = 1.0
if self.idle:
gobject.source_remove(self.idle)
self.idle = gobject.timeout_add(25, self.fade_out)
def fade_out(self):
color = gtk.gdk.color_parse(self.inactive_color)
(red1, green1, blue1) = (color.red, color.green, color.blue)
color = gtk.gdk.color_parse(self.active_color)
(red2, green2, blue2) = (color.red, color.green, color.blue)
red = red1 + int(self.fade_level * abs(red1 - red2))
green = green1 + int(self.fade_level * abs(green1 - green2))
blue = blue1 + int(self.fade_level * abs(blue1 - blue2))
self.modify_fg(gtk.STATE_NORMAL, gtk.gdk.Color(red, green, blue))
self.fade_level -= 1.0 / (self.fade_duration / 25)
if self.fade_level > 0:
return True
self.idle = 0
return False
# EOF
|