#!/usr/bin/env python
#
# $Id: OptionColorButton.py,v 1.6 2001/11/03 11:05:22 doughellmann Exp $
#
# Copyright 2001 Doug Hellmann.
#
#
# All Rights Reserved
#
# Permission to use, copy, modify, and distribute this software and
# its documentation for any purpose and without fee is hereby
# granted, provided that the above copyright notice appear in all
# copies and that both that copyright notice and this permission
# notice appear in supporting documentation, and that the name of Doug
# Hellmann not be used in advertising or publicity pertaining to
# distribution of the software without specific, written prior
# permission.
#
# DOUG HELLMANN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
# INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
# NO EVENT SHALL DOUG HELLMANN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
# CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
# OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
# NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
"""Button which controls a color chooser dialog.
This button type is intended to be used in a preferences dialog.
The 'PrefsDialog' and 'TagAttributeChooserDialog' use this.
"""
__rcs_info__ = {
#
# Creation Information
#
'module_name' : '$RCSfile: OptionColorButton.py,v $',
'rcs_id' : '$Id: OptionColorButton.py,v 1.6 2001/11/03 11:05:22 doughellmann Exp $',
'creator' : 'Doug Hellmann <doug@hellfly.net>',
'project' : 'PmwContribD',
'created' : 'Sun, 01-Apr-2001 13:05:23 EDT',
#
# Current Information
#
'author' : '$Author: doughellmann $',
'version' : '$Revision: 1.6 $',
'date' : '$Date: 2001/11/03 11:05:22 $',
}
#
# Import system modules
#
import Pmw
from Tkinter import *
from tkColorChooser import askcolor
#
# Import Local modules
#
#
# Module
#
class OptionColorButton(Pmw.LabeledWidget):
"""Button to use in option dialog to let the user choose a color.
Options
'variable' -- The Tkinter StringVar instance which should be
keep up to date with the option value.
"""
def __init__(self, parent=None, **kw):
optiondefs = (
('variable', None, Pmw.INITOPT),
('command', None, Pmw.INITOPT),
)
self.internal_variable = StringVar()
self.internal_variable.trace('w', self.variable_trace)
self.defineoptions(kw, optiondefs)
Pmw.LabeledWidget.__init__(self, parent=parent)
interior = self.interior()
l = self.createcomponent(
'label',
(), None,
Label,
(interior,),
text=' ',
relief='raised',
)
l.pack(
side=LEFT,
fill=X,
)
w = self.createcomponent(
'button',
(), None,
Button,
(interior,),
command=self.command,
)
w.pack(
side=LEFT,
expand=YES,
fill=X,
)
w.grid_columnconfigure( 1, weight=1 )
self.initialiseoptions(self.__class__)
if self['variable']:
self.internal_variable.set(self['variable'].get())
return
def variable_trace(self, *args):
"Follow the variable changes as associated with user actions."
#print 'tracing ', args
current_val = self.internal_variable.get()
self.configure(button_text=current_val,
label_background=current_val)
if self['variable']:
self['variable'].set(current_val)
return
def command(self, *args):
"Callback called when user clicks on button."
default = self.internal_variable.get()
rgb, newColor = askcolor(default)
#print 'newColor is ', newColor
if newColor:
self.internal_variable.set(str(newColor))
if self['command']:
self['command']()
return
def get(self):
"Return the color value."
return self.internal_variable.get()
def set(self, newVal):
"Set the color value."
self.internal_variable.set(newVal)
return
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