mirror of https://github.com/python/cpython.git
72 lines
1.8 KiB
Python
72 lines
1.8 KiB
Python
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from Tkinter import *
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import Pmw
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class ChipWidget(Pmw.MegaWidget):
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_WIDTH = 80
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_HEIGHT = 100
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def __init__(self, parent=None, **kw):
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optionsdefs = (('chipcolor', 'blue', self.__set_color),
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('width', self._WIDTH, self.__set_dims),
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('height', self._HEIGHT, self.__set_dims),
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('text', 'Color', self.__set_label),
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)
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self.defineoptions(kw, optionsdefs)
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# initialize base class -- after defining options
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Pmw.MegaWidget.__init__(self, parent)
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interiorarg = (self.interior(),)
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# create the label
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self.__label = self.createcomponent(
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# component name, aliases, group
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'label', (), None,
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# widget class, widget args
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Label, interiorarg)
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self.__label.grid(row=0, column=0)
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# create the color chip
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self.__chip = self.createcomponent(
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'chip', (), None,
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Frame, interiorarg,
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relief=RAISED, borderwidth=2)
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self.__chip.grid(row=1, column=0)
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# create the color name
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self.__name = self.createcomponent(
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'name', (), None,
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Label, interiorarg,)
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self.__name.grid(row=2, column=0)
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# Check keywords and initialize options
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self.initialiseoptions(ChipWidget)
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# called whenever `chipcolor' option is set
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def __set_color(self):
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color = self['chipcolor']
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self.__chip['background'] = color
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self.__name['text'] = color
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def __set_dims(self):
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width = self['width']
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height = self['height']
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self.__chip.configure(width=width, height=height)
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def __set_label(self):
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self.__label['text'] = self['text']
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Pmw.forwardmethods(ChipWidget, Frame, '__chip')
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if __name__ == '__main__':
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root = Pmw.initialise(fontScheme='pmw1')
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root.title('ChipWidget demonstration')
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exitbtn = Button(root, text='Exit', command=root.destroy)
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exitbtn.pack(side=BOTTOM)
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widget = ChipWidget(root, chipcolor='red', width=200,
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text='Selected Color')
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widget.pack()
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root.mainloop()
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