Tk::Scrollbar

Constants

TkCommandNames
WidgetClassName

Public Instance Methods

activate(element=None) click to toggle source

 
               # File tk/lib/tk/scrollbar.rb, line 125
def activate(element=None)
  tk_send_without_enc('activate', element)
end

assign(*wins) click to toggle source

 
               # File tk/lib/tk/scrollbar.rb, line 63
def assign(*wins)
  begin
    self.command(@scroll_proc) if self.cget('command').cmd != @scroll_proc
  rescue Exception
    self.command(@scroll_proc)
  end
  orient = self.orient
  wins.each{|w|
    @assigned << w unless @assigned.index(w)
    if orient == 'horizontal'
      w.xscrollcommand proc{|first, last| self.propagate_set(w, first, last)}
    else # 'vertical'
      w.yscrollcommand proc{|first, last| self.propagate_set(w, first, last)}
    end
  }
  Tk.update  # avoid scrollbar trouble
  self
end

assigned_list() click to toggle source

 
               # File tk/lib/tk/scrollbar.rb, line 82
def assigned_list
  begin
    return @assigned.dup if self.cget('command').cmd == @scroll_proc
  rescue Exception
  end
  fail RuntimeError, "not depend on the assigned_list"
end

autoscroll() click to toggle source

 
               # File tk/lib/tkextlib/tcllib/autoscroll.rb, line 112
def autoscroll
  # Arranges for the already existing scrollbar to be mapped 
  # and unmapped as needed.
  #tk_call_without_enc('::autoscroll::autoscroll', @path)
  Tk::Tcllib::Autoscroll.autoscroll(self)
  self
end

configure(*args) click to toggle source

 
               # File tk/lib/tk/scrollbar.rb, line 90
def configure(*args)
  ret = super(*args)
  # Tk.update  # avoid scrollbar trouble
  ret
end

delta(deltax, deltay) click to toggle source

def delta(deltax=None, deltay=None)

 
               # File tk/lib/tk/scrollbar.rb, line 97
def delta(deltax, deltay)
  number(tk_send_without_enc('delta', deltax, deltay))
end

fraction(x, y) click to toggle source

def fraction(x=None, y=None)

 
               # File tk/lib/tk/scrollbar.rb, line 102
def fraction(x, y)
  number(tk_send_without_enc('fraction', x, y))
end

get() click to toggle source

 
               # File tk/lib/tk/scrollbar.rb, line 110
def get
  #ary1 = tk_send('get').split
  #ary2 = []
  #for i in ary1
  #  ary2.push number(i)
  #end
  #ary2
  list(tk_send_without_enc('get'))
end

identify(x, y) click to toggle source

 
               # File tk/lib/tk/scrollbar.rb, line 106
def identify(x, y)
  tk_send_without_enc('identify', x, y)
end

moveto(fraction) click to toggle source

 
               # File tk/lib/tk/scrollbar.rb, line 129
def moveto(fraction)
  tk_send_without_enc('moveto', fraction)
  self
end

propagate_set(src_win, first, last) click to toggle source

 
               # File tk/lib/tk/scrollbar.rb, line 54
def propagate_set(src_win, first, last)
  self.set(first, last)
  if self.orient == 'horizontal'
    @assigned.each{|w| w.xview('moveto', first) if w != src_win}
  else # 'vertical'
    @assigned.each{|w| w.yview('moveto', first) if w != src_win}
  end
end

scroll(*args) click to toggle source

 
               # File tk/lib/tk/scrollbar.rb, line 134
def scroll(*args)
  tk_send_without_enc('scroll', *args)
  self
end

scroll_pages(num) click to toggle source

 
               # File tk/lib/tk/scrollbar.rb, line 144
def scroll_pages(num)
  scroll(num, 'pages')
  self
end

scroll_units(num) click to toggle source

 
               # File tk/lib/tk/scrollbar.rb, line 139
def scroll_units(num)
  scroll(num, 'units')
  self
end

set(first, last) click to toggle source

 
               # File tk/lib/tk/scrollbar.rb, line 120
def set(first, last)
  tk_send_without_enc('set', first, last)
  self
end

unautoscroll() click to toggle source

 
               # File tk/lib/tkextlib/tcllib/autoscroll.rb, line 119
def unautoscroll
  #     Returns the scrollbar to its original static state. 
  #tk_call_without_enc('::autoscroll::unautoscroll', @path)
  Tk::Tcllib::Autoscroll.unautoscroll(self)
  self
end

Commenting is here to help enhance the documentation. For example, code samples, 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.

If you want to help improve the Ruby documentation, please visit Documenting-ruby.org.