Initial revision
This commit is contained in:
Guido van Rossum
parent
69170c5d79
commit
3e395be1ee
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# The options of a widget are described by the following attributes
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# of the Pack and Widget dialogs:
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#
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# Dialog.current: {name: value}
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# -- changes during Widget's lifetime
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#
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# Dialog.options: {name: (default, klass)}
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# -- depends on widget class only
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#
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# Dialog.classes: {klass: (v0, v1, v2, ...) | 'boolean' | 'other'}
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# -- totally static, though different between PackDialog and WidgetDialog
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# (but even that could be unified)
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from Tkinter import *
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class Option:
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def __init__(self, packdialog, option, varclass):
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self.packdialog = packdialog
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self.option = option
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self.master = packdialog.top
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self.default, self.klass = packdialog.options[option]
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self.var = varclass(self.master)
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self.frame = Frame(self.master,
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{Pack: {'expand': 0, 'fill': 'x'}})
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self.label = Label(self.frame,
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{'text': option + ':',
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Pack: {'side': 'left'},
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})
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self.update()
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def refresh(self):
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self.packdialog.refresh()
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self.update()
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def update(self):
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try:
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self.current = self.packdialog.current[self.option]
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except KeyError:
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self.current = self.default
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self.var.set(self.current)
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def set(self, e=None):
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pass
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class BooleanOption(Option):
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def __init__(self, packdialog, option):
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Option.__init__(self, packdialog, option, BooleanVar)
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self.button = Checkbutton(self.frame,
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{'text': 'on/off',
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'onvalue': '1',
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'offvalue': '0',
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'variable': self.var,
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'relief': 'raised',
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'borderwidth': 2,
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'command': self.set,
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Pack: {'side': 'right'},
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})
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class EnumOption(Option):
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def __init__(self, packdialog, option):
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Option.__init__(self, packdialog, option, StringVar)
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self.button = Menubutton(self.frame,
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{'textvariable': self.var,
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'relief': 'raised',
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'borderwidth': 2,
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Pack: {'side': 'right'},
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})
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self.menu = Menu(self.button)
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self.button['menu'] = self.menu
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for v in self.packdialog.classes[self.klass]:
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label = v
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if v == self.default: label = label + ' (default)'
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self.menu.add_radiobutton(
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{'label': label,
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'variable': self.var,
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'value': v,
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'command': self.set,
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})
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class StringOption(Option):
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def __init__(self, packdialog, option):
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Option.__init__(self, packdialog, option, StringVar)
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self.entry = Entry(self.frame,
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{'textvariable': self.var,
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'width': 10,
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'relief': 'sunken',
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'borderwidth': 2,
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Pack: {'side': 'right',
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'fill': 'x', 'expand': 1},
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})
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self.entry.bind('<Return>', self.set)
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class PackOption: # Mix-in class
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def set(self, e=None):
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self.current = self.var.get()
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try:
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Pack.config(self.packdialog.widget,
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{self.option: self.current})
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except TclError:
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self.refresh()
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class BooleanPackOption(PackOption, BooleanOption): pass
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class EnumPackOption(PackOption, EnumOption): pass
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class StringPackOption(PackOption, StringOption): pass
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class PackDialog:
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options = {
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'after': (None, 'Widet'),
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'anchor': ('center', 'Anchor'),
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'before': (None, 'Widget'),
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'expand': ('no', 'Boolean'),
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'fill': ('none', 'Fill'),
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'in': (None, 'Widget'),
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'ipadx': (0, 'Pad'),
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'ipady': (0, 'Pad'),
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'padx': (0, 'Pad'),
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'pady': (0, 'Pad'),
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'side': ('top', 'Side'),
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}
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classes = {
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'Anchor': ('n','ne', 'e','se', 's','sw', 'w','nw', 'center'),
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'Fill': ('none', 'x', 'y', 'both'),
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'Side': ('top', 'right', 'bottom', 'left'),
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'Expand': 'boolean',
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'Pad': 'pixel',
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'Widget': 'widget',
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}
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def __init__(self, widget):
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self.widget = widget
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self.refresh()
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self.top = Toplevel(self.widget)
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self.top.title('Pack: %s' % widget.widgetName)
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self.top.minsize(1, 1) # XXX
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self.anchor = EnumPackOption(self, 'anchor')
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self.side = EnumPackOption(self, 'side')
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self.fill = EnumPackOption(self, 'fill')
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self.expand = BooleanPackOption(self, 'expand')
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self.ipadx = StringPackOption(self, 'ipadx')
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self.ipady = StringPackOption(self, 'ipady')
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self.padx = StringPackOption(self, 'padx')
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self.pady = StringPackOption(self, 'pady')
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# XXX after, before, in
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def refresh(self):
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self.current = self.widget.newinfo()
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class WidgetOption: # Mix-in class
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def set(self, e=None):
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self.current = self.var.get()
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try:
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self.packdialog.widget[self.option] = self.current
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except TclError:
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self.refresh()
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class BooleanWidgetOption(WidgetOption, BooleanOption): pass
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class EnumWidgetOption(WidgetOption, EnumOption): pass
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class StringWidgetOption(WidgetOption, StringOption): pass
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class WidgetDialog:
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# Universal classes
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classes = {
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'Anchor': ('n','ne', 'e','se', 's','sw', 'w','nw', 'center'),
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'Aspect': 'integer',
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'Background': 'color',
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'Bitmap': 'bitmap',
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'BorderWidth': 'pixel',
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'CloseEnough': 'double',
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'Command': 'command',
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'Confine': 'boolean',
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'Cursor': 'cursor',
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'CursorWidth': 'pixel',
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'DisabledForeground': 'color',
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'ExportSelection': 'boolean',
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'Font': 'font',
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'Foreground': 'color',
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'From': 'integer',
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'Geometry': 'geometry',
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'Height': 'pixel',
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'InsertWidth': 'time',
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'Justify': ('left', 'center', 'right'),
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'Label': 'string',
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'Length': 'pixel',
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'MenuName': 'widget',
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'OffTime': 'time',
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'OnTime': 'time',
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'Orient': ('horizontal', 'vertical'),
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'Pad': 'pixel',
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'Relief': ('raised', 'sunken', 'flat', 'ridge', 'groove'),
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'RepeatDelay': 'time',
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'RepeatInterval': 'time',
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'ScrollCommand': 'command',
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'ScrollIncrement': 'pixel',
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'ScrollRegion': 'rectangle',
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'ShowValue': 'boolean',
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'SetGrid': 'boolean',
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'Sliderforeground': 'color',
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'SliderLength': 'pixel',
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'Text': 'string',
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'TickInterval': 'integer',
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'To': 'integer',
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'Underline': 'index',
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'Variable': 'variable',
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'Value': 'string',
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'Width': 'pixel',
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'Wrap': ('none', 'char', 'word'),
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}
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# Classes that (may) differ per widget type
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_tristate = {'State': ('normal', 'active', 'disabled')}
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_bistate = {'State': ('normal', 'disabled')}
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addclasses = {
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'button': _tristate,
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'radiobutton': _tristate,
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'checkbutton': _tristate,
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'entry': _bistate,
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'text': _bistate,
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'menubutton': _tristate,
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'slider': _bistate,
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}
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def __init__(self, widget):
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self.widget = widget
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if self.addclasses.has_key(self.widget.widgetName):
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classes = {}
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for c in (self.classes,
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self.addclasses[self.widget.widgetName]):
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for k in c.keys():
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classes[k] = c[k]
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self.classes = classes
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self.refresh()
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self.top = Toplevel(self.widget)
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self.top.title('Widget: %s' % widget.widgetName)
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self.top.minsize(1, 1)
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self.choices = {}
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for k, (d, c) in self.options.items():
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try:
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cl = self.classes[c]
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except KeyError:
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cl = 'unknown'
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if type(cl) == TupleType:
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cl = EnumWidgetOption
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elif cl == 'boolean':
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cl = BooleanWidgetOption
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else:
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cl = StringWidgetOption
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self.choices[k] = cl(self, k)
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def refresh(self):
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self.configuration = self.widget.config()
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self.current = {}
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self.options = {}
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for k, v in self.configuration.items():
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if len(v) > 4:
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self.current[k] = v[4]
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self.options[k] = v[3], v[2] # default, klass
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def test():
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root = Tk()
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root.minsize(1, 1)
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frame = Frame(root, {Pack: {'expand': 1, 'fill': 'both'}})
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button = Button(frame, {'text': 'button',
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Pack: {'expand': 1}})
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canvas = Canvas(frame, {Pack: {}})
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bpd = PackDialog(button)
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bwd = WidgetDialog(button)
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cpd = PackDialog(canvas)
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cwd = WidgetDialog(canvas)
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root.mainloop()
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test()
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