class Tk::Scrollbar
Constants
- TkCommandNames
- WidgetClassName
Public Instance Methods
activate(element=None)
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# File lib/tk/scrollbar.rb, line 125 def activate(element=None) tk_send_without_enc('activate', element) end
assign(*wins)
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# File 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()
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# File 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()
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# File 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)
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Calls superclass method
TkConfigMethod#configure
# File lib/tk/scrollbar.rb, line 90 def configure(*args) ret = super(*args) # Tk.update # avoid scrollbar trouble ret end
delta(deltax, deltay)
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def delta(deltax=None, deltay=None)
# File lib/tk/scrollbar.rb, line 97 def delta(deltax, deltay) number(tk_send_without_enc('delta', deltax, deltay)) end
fraction(x, y)
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def fraction(x=None, y=None)
# File lib/tk/scrollbar.rb, line 102 def fraction(x, y) number(tk_send_without_enc('fraction', x, y)) end
get()
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# File 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)
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# File lib/tk/scrollbar.rb, line 106 def identify(x, y) tk_send_without_enc('identify', x, y) end
moveto(fraction)
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# File lib/tk/scrollbar.rb, line 129 def moveto(fraction) tk_send_without_enc('moveto', fraction) self end
propagate_set(src_win, first, last)
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# File 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)
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# File lib/tk/scrollbar.rb, line 134 def scroll(*args) tk_send_without_enc('scroll', *args) self end
scroll_pages(num)
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# File lib/tk/scrollbar.rb, line 144 def scroll_pages(num) scroll(num, 'pages') self end
scroll_units(num)
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# File lib/tk/scrollbar.rb, line 139 def scroll_units(num) scroll(num, 'units') self end
set(first, last)
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# File lib/tk/scrollbar.rb, line 120 def set(first, last) tk_send_without_enc('set', first, last) self end
unautoscroll()
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# File 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
Private Instance Methods
create_self(keys)
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# File lib/tk/scrollbar.rb, line 11 def create_self(keys) @assigned = [] @scroll_proc = proc{|*args| if self.orient == 'horizontal' @assigned.each{|w| w.xview(*args)} else # 'vertical' @assigned.each{|w| w.yview(*args)} end } if keys and keys != None unless TkConfigMethod.__IGNORE_UNKNOWN_CONFIGURE_OPTION__ #tk_call_without_enc('scrollbar', @path, *hash_kv(keys, true)) tk_call_without_enc(self.class::TkCommandNames[0], @path, *hash_kv(keys, true)) else begin tk_call_without_enc(self.class::TkCommandNames[0], @path, *hash_kv(keys, true)) rescue tk_call_without_enc(self.class::TkCommandNames[0], @path) keys = __check_available_configure_options(keys) unless keys.empty? begin tk_call_without_enc('destroy', @path) rescue # cannot destroy configure(keys) else # re-create widget tk_call_without_enc(self.class::TkCommandNames[0], @path, *hash_kv(keys, true)) end end end end else #tk_call_without_enc('scrollbar', @path) tk_call_without_enc(self.class::TkCommandNames[0], @path) end end