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tk/lib/tk/canvastag.rb

Parent

TkObject

Included Modules

TkcTagAccess

Class/Module Index

TkcTag

Constants

CTagID_TBL
Tk_CanvasTag_ID

Public Class Methods

id2obj(canvas, id) click to toggle source

 
               # 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

new(parent, mode=nil, *args) click to toggle source

 
               # 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

Public Instance Methods

above(target) click to toggle source

Alias for: set_to_above

all() click to toggle source

Alias for: set_to_all

below(target) click to toggle source

Alias for: set_to_below

closest(x, y, halo=None, start=None) click to toggle source

Alias for: set_to_closest

delete() click to toggle source

 
               # 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

Also aliased as: remove, destroy

destroy() click to toggle source

Alias for: delete

enclosed(x1, y1, x2, y2) click to toggle source

Alias for: set_to_enclosed

exist?() click to toggle source

 
               # File tk/lib/tk/canvastag.rb, line 275
def exist?
  if @c.find_withtag(@id)
    true
  else
    false
  end
end

id() click to toggle source

 
               # File tk/lib/tk/canvastag.rb, line 271
def id
  @id
end

mutex() click to toggle source

 
               # File tk/lib/tk/canvastag.rb, line 233
def mutex; @mutex; end

overlapping(x1, y1, x2, y2) click to toggle source

Alias for: set_to_overlapping

remove() click to toggle source

Alias for: delete

set_to_above(target) click to toggle source

 
               # File tk/lib/tk/canvastag.rb, line 293
def set_to_above(target)
  @c.addtag_above(@id, target)
  self
end

Also aliased as: above

set_to_all() click to toggle source

 
               # File tk/lib/tk/canvastag.rb, line 299
def set_to_all
  @c.addtag_all(@id)
  self
end

Also aliased as: all

set_to_below(target) click to toggle source

 
               # File tk/lib/tk/canvastag.rb, line 305
def set_to_below(target)
  @c.addtag_below(@id, target)
  self
end

Also aliased as: below

set_to_closest(x, y, halo=None, start=None) click to toggle source

 
               # 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

Also aliased as: closest

set_to_enclosed(x1, y1, x2, y2) click to toggle source

 
               # 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

Also aliased as: enclosed

set_to_overlapping(x1, y1, x2, y2) click to toggle source

 
               # 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

Also aliased as: overlapping

set_to_withtag(target) click to toggle source

 
               # File tk/lib/tk/canvastag.rb, line 329
def set_to_withtag(target)
  @c.addtag_withtag(@id, target)
  self
end

Also aliased as: withtag

withtag(target) click to toggle source

Alias for: set_to_withtag