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