# File tk/lib/tk/canvastag.rb, line 241
def TkcTag.id2obj(canvas, id)
cpath = canvas.path
CTagID_TBL.mutex.synchronize{
if CTagID_TBL[cpath]
CTagID_TBL[cpath][id]? CTagID_TBL[cpath][id]: id
else
id
end
}
end
# File tk/lib/tk/canvastag.rb, line 252
def initialize(parent, mode=nil, *args)
#unless parent.kind_of?(TkCanvas)
# fail ArgumentError, "expect TkCanvas for 1st argument"
#end
@c = parent
@cpath = parent.path
Tk_CanvasTag_ID.mutex.synchronize{
# @path = @id = Tk_CanvasTag_ID.join('')
@path = @id = Tk_CanvasTag_ID.join(TkCore::INTERP._ip_id_)
Tk_CanvasTag_ID[1].succ!
}
CTagID_TBL.mutex.synchronize{
CTagID_TBL[@cpath] = {} unless CTagID_TBL[@cpath]
CTagID_TBL[@cpath][@id] = self
}
if mode
tk_call_without_enc(@c.path, "addtag", @id, mode, *args)
end
end
# File tk/lib/tk/canvastag.rb, line 283
def delete
@c.delete @id
CTagID_TBL.mutex.synchronize{
CTagID_TBL[@cpath].delete(@id) if CTagID_TBL[@cpath]
}
self
end
# File tk/lib/tk/canvastag.rb, line 275
def exist?
if @c.find_withtag(@id)
true
else
false
end
end
# File tk/lib/tk/canvastag.rb, line 293
def set_to_above(target)
@c.addtag_above(@id, target)
self
end
# File tk/lib/tk/canvastag.rb, line 299
def set_to_all
@c.addtag_all(@id)
self
end
# File tk/lib/tk/canvastag.rb, line 305
def set_to_below(target)
@c.addtag_below(@id, target)
self
end
# File tk/lib/tk/canvastag.rb, line 311
def set_to_closest(x, y, halo=None, start=None)
@c.addtag_closest(@id, x, y, halo, start)
self
end
# File tk/lib/tk/canvastag.rb, line 317
def set_to_enclosed(x1, y1, x2, y2)
@c.addtag_enclosed(@id, x1, y1, x2, y2)
self
end
# File tk/lib/tk/canvastag.rb, line 323
def set_to_overlapping(x1, y1, x2, y2)
@c.addtag_overlapping(@id, x1, y1, x2, y2)
self
end
# File tk/lib/tk/canvastag.rb, line 329
def set_to_withtag(target)
@c.addtag_withtag(@id, target)
self
end
Commenting is here to help enhance the documentation. For example, sample code, or clarification of the documentation.
If you have questions about Ruby or the documentation, please post to one of the Ruby mailing lists. You will get better, faster, help that way.
If you wish to post a correction of the docs, please do so, but also file bug report so that it can be corrected for the next release. Thank you.