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-rw-r--r--Lib/lib-tk/Canvas.py115
1 files changed, 115 insertions, 0 deletions
diff --git a/Lib/lib-tk/Canvas.py b/Lib/lib-tk/Canvas.py
new file mode 100644
index 0000000..4d21928
--- /dev/null
+++ b/Lib/lib-tk/Canvas.py
@@ -0,0 +1,115 @@
+# This module exports classes for the various canvas item types
+
+# vi:set tabsize=4:
+
+from Tkinter import Canvas, _isfunctype
+
+class CanvasItem:
+ def __init__(self, canvas, itemType, args = (), cnf={}):
+ self.canvas = canvas
+ self.id = canvas._create(itemType, args + (cnf,))
+ def __str__(self):
+ return str(self.id)
+ def __repr__(self):
+ return '<%s, id=%d>' % (self.__class__.__name__, self.id)
+ def __del__(self):
+ self.canvas.delete(self.id)
+ delete = __del__
+ def __getitem__(self, key):
+ v = self.canvas.tk.split(self.canvas.tk.call(self.canvas.pathName,
+ 'itemconfigure',
+ str(self.id),
+ '-' + key))
+ return v[4]
+ def __setitem__(self, key, value):
+ self.canvas._itemconfig(self.id, {key: value})
+ def keys(self):
+ if not hasattr(self, '_keys'):
+ self._keys = map(lambda x, tk=self.canvas.tk:
+ tk.splitlist(x)[0][1:],
+ self.canvas._splitlist(
+ self.canvas.cmd('itemconfigure', self.id)))
+ return self._keys
+ def has_key(self, key):
+ return key in self.keys()
+ def addtag(self, tag, option='withtag'):
+ self.canvas.addtag(tag, option, self.id)
+ def bbox(self):
+ x1, y1, x2, y2 = self.canvas.bbox(self.id)
+ return (x1, y1), (x2, y2)
+ def bind(self, sequence=None, command=None):
+ return self.canvas.bind(self.id, sequence, command)
+ def coords(self, pts = ()):
+ flat = ()
+ for x, y in pts: flat = flat + (x, y)
+ return apply(self.canvas.coords, (self.id,) + flat)
+ def dchars(self, first, last=None):
+ self.canvas.dchars(self.id, first, last)
+ def dtag(self, ttd):
+ self.canvas.dtag(self.id, ttd)
+ def focus(self):
+ self.canvas.focus(self.id)
+ def gettags(self):
+ return self.canvas.gettags(self.id)
+ def icursor(self):
+ self.canvas.icursor(self.id)
+ def index(self):
+ return self.canvas.index(self.id)
+ def insert(self, beforethis, string):
+ self.canvas.insert(self.id, beforethis, string)
+ def lower(self, belowthis=None):
+ self.canvas.lower(self.id, belowthis)
+ def move(self, xamount, yamount):
+ self.canvas.move(self.id, xamount, yamount)
+ def raise_(self, abovethis=None):
+ self.canvas.raise_(self.id, abovethis)
+ def scale(self, xorigin, yorigin, xscale, yscale):
+ self.canvas.scale(self.id, xorigin, yorigin, xscale, yscale)
+ def type(self):
+ return self.canvas.type(self.id)
+
+class Arc(CanvasItem):
+ def __init__(self, canvas, (x1, y1), (x2, y2), cnf={}):
+ CanvasItem.__init__(self, canvas, 'arc',
+ (str(x1), str(y1), str(x2), str(y2)), cnf)
+
+class Bitmap(CanvasItem):
+ def __init__(self, canvas, (x1, y1), cnf={}):
+ CanvasItem.__init__(self, canvas, 'bitmap', (str(x1), str(y1)), cnf)
+
+class Line(CanvasItem):
+ def __init__(self, canvas, pts, cnf={}):
+ pts = reduce(lambda a, b: a+b,
+ map(lambda pt: (str(pt[0]), str(pt[1])), pts))
+ CanvasItem.__init__(self, canvas, 'line', pts, cnf)
+
+class Oval(CanvasItem):
+ def __init__(self, canvas, (x1, y1), (x2, y2), cnf={}):
+ CanvasItem.__init__(self, canvas, 'oval',
+ (str(x1), str(y1), str(x2), str(y2)), cnf)
+
+class Polygon(CanvasItem):
+ def __init__(self, canvas, pts, cnf={}):
+ pts = reduce(lambda a, b: a+b,
+ map(lambda pt: (str(pt[0]), str(pt[1])), pts))
+ CanvasItem.__init__(self, canvas, 'polygon', pts, cnf)
+
+class Curve(Polygon):
+ def __init__(self, canvas, pts, cnf={}):
+ cnf['smooth'] = 'yes'
+ Polygon.__init__(self, canvas, pts, cnf)
+
+class Rectangle(CanvasItem):
+ def __init__(self, canvas, (x1, y1), (x2, y2), cnf={}):
+ CanvasItem.__init__(self, canvas, 'rectangle',
+ (str(x1), str(y1), str(x2), str(y2)), cnf)
+
+# XXX Can't use name "Text" since that is already taken by the Text widget...
+class String(CanvasItem):
+ def __init__(self, canvas, (x1, y1), cnf={}):
+ CanvasItem.__init__(self, canvas, 'text', (str(x1), str(y1)), cnf)
+
+class Window(CanvasItem):
+ def __init__(self, canvas, where, cnf={}):
+ CanvasItem.__init__(self, canvas, 'window',
+ (str(where[0]), str(where[1])), cnf)