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"""Main Pynche (Pythonically Natural Color and Hue Editor) widget.
"""
from Tkinter import *
import Pmw
import ColorDB
from ChipWidget import ChipWidget
from TypeinWidget import TypeinWidget
class PyncheWidget(Pmw.MegaWidget):
def __init__(self, colordb, parent=None, **kw):
self.__colordb = colordb
options = (('color', (128, 128, 128), self.__set_color),
('delegate', None, None),
)
self.defineoptions(kw, options)
# initialize base class -- after defining options
Pmw.MegaWidget.__init__(self, parent)
interiorarg = (self.interior(),)
# create color selectors
self.__selectors = Pmw.Group(parent, tag_text='Color Selectors')
self.__selectors.pack(side=TOP, expand=YES, fill=BOTH)
# create chip window
group = Pmw.Group(parent, tag_text='Current Color')
group.pack(side=LEFT, fill=Y)
self.__selected = ChipWidget(group.interior(),
label_text='Selected')
self.__selected.grid()
self.__nearest = ChipWidget(group.interior(),
label_text='Nearest')
self.__nearest.grid(row=0, column=1)
# create the options window
group = Pmw.Group(parent, tag_text='Options')
group.pack(expand=YES, fill=BOTH)
self.__typein = TypeinWidget(group.interior())
self.__typein.grid()
# Check keywords and initialize options
self.initialiseoptions(PyncheWidget)
self.__typein.configure(delegate=self)
#
# PUBLIC INTERFACE
#
def set_color(self, obj, rgbtuple):
print 'setting color to:', rgbtuple
nearest = self.__colordb.nearest(rgbtuple)
red, green, blue, rrggbb = self.__colordb.find_byname(nearest)
# for an exact match, use the color name
if (red, green, blue) == rgbtuple:
self.__selected.configure(color=nearest)
# otherwise, use the #rrggbb name
else:
rrggbb = ColorDB.triplet_to_rrggbb(rgbtuple)
self.__selected.configure(color=rrggbb)
self.__nearest.configure(color=nearest)
self.__typein.configure(color=rgbtuple)
delegate = self['delegate']
if delegate:
delegate.set_color(self, rgbtuple)
#
# PRIVATE INTERFACE
#
def __set_color(self):
self.set_color(self, self['color'])
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