Interface changes, delegate chaining, type in widget addition

This commit is contained in:
Barry Warsaw 1998-02-11 17:19:54 +00:00
parent f4562a7a0a
commit a6f591ac6b
1 changed files with 37 additions and 13 deletions

View File

@ -5,13 +5,16 @@
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
optionsdefs = (('color', 'grey50', self.__set_color),)
self.defineoptions(kw, optionsdefs)
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)
@ -32,20 +35,41 @@ def __init__(self, colordb, parent=None, **kw):
self.__nearest.grid(row=0, column=1)
# create the options window
options = Pmw.Group(parent, tag_text='Options')
options.pack(expand=YES, fill=BOTH)
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):
color = self['color']
try:
red, green, blue, rrggbb = self.__colordb.find_byname(color)
except ColorDB.BadColor:
red, green, blue = ColorDB.rrggbb_to_triplet(color)
nearest = self.__colordb.nearest(red, green, blue)
self.__selected.configure(color=color)
self.__nearest.configure(color=nearest)
self.set_color(self, self['color'])