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#!/usr/bin/env python
"""Color Selector
GtkColorSelection lets the user choose a color. GtkColorSelectionDialog is a
prebuilt dialog containing a GtkColorSelection."""
description = "Color Selector"
import gtk
window = None
color = None
da = None
def change_color_cb(w):
global window, color, da
dialog = gtk.ColorSelectionDialog("Changing color")
dialog.set_transient_for(window)
colorsel = dialog.colorsel
colorsel.set_previous_color(color)
colorsel.set_current_color(color)
colorsel.set_has_palette(gtk.TRUE)
response = dialog.run()
if response == gtk.RESPONSE_OK:
color = colorsel.get_current_color()
da.modify_bg(gtk.STATE_NORMAL, color)
dialog.destroy()
def main():
global window, color, da
# How do I get a GdkColor?
# GdkColormap.alloc() wants a GtkColor, not strings nor (r, g, b) and
# gtk.gdk.Color isn't implemented...
#color = gtk.gdk.Color()
#color.red = 0
#color.blue = 0xFFFF
#color.green = 0
window = gtk.Window()
window.set_title("Color selection")
window.set_border_width(8)
if __name__ == '__main__':
window.connect('destroy', lambda win: gtk.main_quit())
vbox = gtk.VBox()
vbox.set_border_width(8)
window.add(vbox)
# Create the color swatch area
frame = gtk.Frame()
frame.set_shadow_type(gtk.SHADOW_IN)
vbox.pack_start(frame, gtk.TRUE, gtk.TRUE, 8)
da = gtk.DrawingArea()
da.set_size_request(200, 200)
color = da.get_style().white
da.modify_bg(gtk.STATE_NORMAL, color)
frame.add(da)
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, gtk.TRUE, gtk.TRUE)
button.connect('clicked', change_color_cb)
button.set_flags(gtk.CAN_DEFAULT)
button.grab_default()
window.show_all()
if __name__ == '__main__': gtk.main()
if __name__ == '__main__': main()
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