117 lines
3.8 KiB
Python
Executable File
117 lines
3.8 KiB
Python
Executable File
# This module exports classes for the various canvas item types
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from Tkinter import Canvas, _isfunctype
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class CanvasItem:
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def __init__(self, canvas, itemType, args = (), cnf={}):
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self.canvas = canvas
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self.id = canvas._create(itemType, args + (cnf,))
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def __str__(self):
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return str(self.id)
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def __repr__(self):
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return '<%s, id=%d>' % (self.__class__.__name__, self.id)
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def __del__(self):
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self.canvas.delete(self.id)
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delete = __del__
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def __getitem__(self, key):
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v = self.canvas.tk.split(self.canvas.tk.call(
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self.canvas._w, 'itemconfigure',
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str(self.id), '-' + key))
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return v[4]
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def __setitem__(self, key, value):
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self.canvas._itemconfig(self.id, {key: value})
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def keys(self):
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if not hasattr(self, '_keys'):
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self._keys = map(lambda x, tk=self.canvas.tk:
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tk.splitlist(x)[0][1:],
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self.canvas._splitlist(
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self.canvas.cmd(
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'itemconfigure',
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self.id)))
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return self._keys
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def has_key(self, key):
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return key in self.keys()
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def addtag(self, tag, option='withtag'):
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self.canvas.addtag(tag, option, self.id)
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def bbox(self):
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x1, y1, x2, y2 = self.canvas.bbox(self.id)
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return (x1, y1), (x2, y2)
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def bind(self, sequence=None, command=None):
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return self.canvas.bind(self.id, sequence, command)
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def coords(self, pts = ()):
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flat = ()
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for x, y in pts: flat = flat + (x, y)
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return apply(self.canvas.coords, (self.id,) + flat)
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def dchars(self, first, last=None):
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self.canvas.dchars(self.id, first, last)
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def dtag(self, ttd):
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self.canvas.dtag(self.id, ttd)
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def focus(self):
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self.canvas.focus(self.id)
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def gettags(self):
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return self.canvas.gettags(self.id)
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def icursor(self):
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self.canvas.icursor(self.id)
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def index(self):
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return self.canvas.index(self.id)
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def insert(self, beforethis, string):
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self.canvas.insert(self.id, beforethis, string)
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def lower(self, belowthis=None):
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self.canvas.lower(self.id, belowthis)
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def move(self, xamount, yamount):
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self.canvas.move(self.id, xamount, yamount)
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def raise_(self, abovethis=None):
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self.canvas.raise_(self.id, abovethis)
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def scale(self, xorigin, yorigin, xscale, yscale):
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self.canvas.scale(self.id, xorigin, yorigin, xscale, yscale)
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def type(self):
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return self.canvas.type(self.id)
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class Arc(CanvasItem):
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def __init__(self, canvas, (x1, y1), (x2, y2), cnf={}):
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CanvasItem.__init__(self, canvas, 'arc',
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(str(x1), str(y1), str(x2), str(y2)), cnf)
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class Bitmap(CanvasItem):
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def __init__(self, canvas, (x1, y1), cnf={}):
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CanvasItem.__init__(self, canvas, 'bitmap',
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(str(x1), str(y1)), cnf)
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class Line(CanvasItem):
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def __init__(self, canvas, pts, cnf={}):
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pts = reduce(lambda a, b: a+b,
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map(lambda pt: (str(pt[0]), str(pt[1])), pts))
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CanvasItem.__init__(self, canvas, 'line', pts, cnf)
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class Oval(CanvasItem):
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def __init__(self, canvas, (x1, y1), (x2, y2), cnf={}):
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CanvasItem.__init__(self, canvas, 'oval',
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(str(x1), str(y1), str(x2), str(y2)), cnf)
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class Polygon(CanvasItem):
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def __init__(self, canvas, pts, cnf={}):
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pts = reduce(lambda a, b: a+b,
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map(lambda pt: (str(pt[0]), str(pt[1])), pts))
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CanvasItem.__init__(self, canvas, 'polygon', pts, cnf)
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class Curve(Polygon):
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def __init__(self, canvas, pts, cnf={}):
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cnf['smooth'] = 'yes'
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Polygon.__init__(self, canvas, pts, cnf)
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class Rectangle(CanvasItem):
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def __init__(self, canvas, (x1, y1), (x2, y2), cnf={}):
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CanvasItem.__init__(self, canvas, 'rectangle',
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(str(x1), str(y1), str(x2), str(y2)), cnf)
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# XXX Can't use name "Text" since that is already taken by the Text widget...
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class String(CanvasItem):
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def __init__(self, canvas, (x1, y1), cnf={}):
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CanvasItem.__init__(self, canvas, 'text',
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(str(x1), str(y1)), cnf)
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class Window(CanvasItem):
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def __init__(self, canvas, where, cnf={}):
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CanvasItem.__init__(self, canvas, 'window',
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(str(where[0]), str(where[1])), cnf)
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