| # 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') |
