/usr/lib/python2.7/lib-tk/Canvas.py is in libpython2.7-stdlib 2.7.11-7ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 | # This module exports classes for the various canvas item types
# NOTE: This module was an experiment and is now obsolete.
# It's best to use the Tkinter.Canvas class directly.
from warnings import warnpy3k
warnpy3k("the Canvas module has been removed in Python 3.0", stacklevel=2)
del warnpy3k
from Tkinter import Canvas, _cnfmerge, _flatten
class CanvasItem:
def __init__(self, canvas, itemType, *args, **kw):
self.canvas = canvas
self.id = canvas._create(itemType, args, kw)
if not hasattr(canvas, 'items'):
canvas.items = {}
canvas.items[self.id] = self
def __str__(self):
return str(self.id)
def __repr__(self):
return '<%s, id=%d>' % (self.__class__.__name__, self.id)
def delete(self):
del self.canvas.items[self.id]
self.canvas.delete(self.id)
def __getitem__(self, key):
v = self.canvas.tk.split(self.canvas.tk.call(
self.canvas._w, 'itemconfigure',
self.id, '-' + key))
return v[4]
cget = __getitem__
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.tk.splitlist(
self.canvas._do(
'itemconfigure',
(self.id,))))
return self._keys
def has_key(self, key):
return key in self.keys()
def __contains__(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, add=None):
return self.canvas.tag_bind(self.id, sequence, command, add)
def unbind(self, sequence, funcid=None):
self.canvas.tag_unbind(self.id, sequence, funcid)
def config(self, cnf={}, **kw):
return self.canvas.itemconfig(self.id, _cnfmerge((cnf, kw)))
def coords(self, pts = ()):
flat = ()
for x, y in pts: flat = flat + (x, y)
return 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, index):
self.canvas.icursor(self.id, index)
def index(self, index):
return self.canvas.index(self.id, index)
def insert(self, beforethis, string):
self.canvas.insert(self.id, beforethis, string)
def lower(self, belowthis=None):
self.canvas.tag_lower(self.id, belowthis)
def move(self, xamount, yamount):
self.canvas.move(self.id, xamount, yamount)
def tkraise(self, abovethis=None):
self.canvas.tag_raise(self.id, abovethis)
raise_ = tkraise # BW compat
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, *args, **kw):
CanvasItem.__init__(self, canvas, 'arc', *args, **kw)
class Bitmap(CanvasItem):
def __init__(self, canvas, *args, **kw):
CanvasItem.__init__(self, canvas, 'bitmap', *args, **kw)
class ImageItem(CanvasItem):
def __init__(self, canvas, *args, **kw):
CanvasItem.__init__(self, canvas, 'image', *args, **kw)
class Line(CanvasItem):
def __init__(self, canvas, *args, **kw):
CanvasItem.__init__(self, canvas, 'line', *args, **kw)
class Oval(CanvasItem):
def __init__(self, canvas, *args, **kw):
CanvasItem.__init__(self, canvas, 'oval', *args, **kw)
class Polygon(CanvasItem):
def __init__(self, canvas, *args, **kw):
CanvasItem.__init__(self, canvas, 'polygon', *args, **kw)
class Rectangle(CanvasItem):
def __init__(self, canvas, *args, **kw):
CanvasItem.__init__(self, canvas, 'rectangle', *args, **kw)
# XXX "Text" is taken by the Text widget...
class CanvasText(CanvasItem):
def __init__(self, canvas, *args, **kw):
CanvasItem.__init__(self, canvas, 'text', *args, **kw)
class Window(CanvasItem):
def __init__(self, canvas, *args, **kw):
CanvasItem.__init__(self, canvas, 'window', *args, **kw)
class Group:
def __init__(self, canvas, tag=None):
if not tag:
tag = 'Group%d' % id(self)
self.tag = self.id = tag
self.canvas = canvas
self.canvas.dtag(self.tag)
def str(self):
return self.tag
__str__ = str
def _do(self, cmd, *args):
return self.canvas._do(cmd, (self.tag,) + _flatten(args))
def addtag_above(self, tagOrId):
self._do('addtag', 'above', tagOrId)
def addtag_all(self):
self._do('addtag', 'all')
def addtag_below(self, tagOrId):
self._do('addtag', 'below', tagOrId)
def addtag_closest(self, x, y, halo=None, start=None):
self._do('addtag', 'closest', x, y, halo, start)
def addtag_enclosed(self, x1, y1, x2, y2):
self._do('addtag', 'enclosed', x1, y1, x2, y2)
def addtag_overlapping(self, x1, y1, x2, y2):
self._do('addtag', 'overlapping', x1, y1, x2, y2)
def addtag_withtag(self, tagOrId):
self._do('addtag', 'withtag', tagOrId)
def bbox(self):
return self.canvas._getints(self._do('bbox'))
def bind(self, sequence=None, command=None, add=None):
return self.canvas.tag_bind(self.id, sequence, command, add)
def unbind(self, sequence, funcid=None):
self.canvas.tag_unbind(self.id, sequence, funcid)
def coords(self, *pts):
return self._do('coords', pts)
def dchars(self, first, last=None):
self._do('dchars', first, last)
def delete(self):
self._do('delete')
def dtag(self, tagToDelete=None):
self._do('dtag', tagToDelete)
def focus(self):
self._do('focus')
def gettags(self):
return self.canvas.tk.splitlist(self._do('gettags', self.tag))
def icursor(self, index):
return self._do('icursor', index)
def index(self, index):
return self.canvas.tk.getint(self._do('index', index))
def insert(self, beforeThis, string):
self._do('insert', beforeThis, string)
def config(self, cnf={}, **kw):
return self.canvas.itemconfigure(self.tag, _cnfmerge((cnf,kw)))
def lower(self, belowThis=None):
self._do('lower', belowThis)
def move(self, xAmount, yAmount):
self._do('move', xAmount, yAmount)
def tkraise(self, aboveThis=None):
self._do('raise', aboveThis)
lift = tkraise
def scale(self, xOrigin, yOrigin, xScale, yScale):
self._do('scale', xOrigin, yOrigin, xScale, yScale)
def select_adjust(self, index):
self.canvas._do('select', ('adjust', self.tag, index))
def select_from(self, index):
self.canvas._do('select', ('from', self.tag, index))
def select_to(self, index):
self.canvas._do('select', ('to', self.tag, index))
def type(self):
return self._do('type')
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