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