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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
#!/usr/bin/env python
"""Color Selector
GtkColorSelection lets the user choose a color. GtkColorSelectionDialog is a
prebuilt dialog containing a GtkColorSelection."""
import pygtk
pygtk.require('2.0')
import gtk
class ColorSelectorDemo(gtk.Window):
color = gtk.gdk.color_parse("blue")
def __init__(self, parent=None):
# Create the toplevel window
gtk.Window.__init__(self)
try:
self.set_screen(parent.get_screen())
except AttributeError:
self.connect('destroy', lambda *w: gtk.main_quit())
self.set_title(self.__class__.__name__)
self.set_border_width(8)
vbox = gtk.VBox()
vbox.set_border_width(8)
self.add(vbox)
# Create the color swatch area
frame = gtk.Frame()
frame.set_shadow_type(gtk.SHADOW_IN)
vbox.pack_start(frame, True, True, 8)
self.d_area = gtk.DrawingArea()
self.d_area.set_size_request(200, 200)
self.d_area.modify_bg(gtk.STATE_NORMAL, self.color)
frame.add(self.d_area)
alignment = gtk.Alignment(1.0, 0.5, 0.0, 0.0)
button = gtk.Button("_Change the above color")
alignment.add(button)
vbox.pack_start(alignment, True, True)
button.connect('clicked', self.on_change_color_clicked)
button.set_flags(gtk.CAN_DEFAULT)
button.grab_default()
self.show_all()
def on_change_color_clicked(self, button):
dialog = gtk.ColorSelectionDialog("Changing color")
dialog.set_transient_for(self)
colorsel = dialog.colorsel
colorsel.set_previous_color(self.color)
colorsel.set_current_color(self.color)
colorsel.set_has_palette(True)
response = dialog.run()
if response == gtk.RESPONSE_OK:
self.color = colorsel.get_current_color()
self.d_area.modify_bg(gtk.STATE_NORMAL, self.color)
dialog.destroy()
return True
def main():
ColorSelectorDemo()
gtk.main()
if __name__ == '__main__':
main()
|
