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* ext/tk/lib/tk/scrollbar.rb: When 'set' operation, a scrollbar cannot

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propagate view port information from the source widget (that calls
  'set') to other assigned widgets.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7013 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nagai 2004-10-07 14:50:59 +00:00
parent 046d4e7ee1
commit c2f8cec766
2 changed files with 17 additions and 2 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
Thu Oct 7 23:47:57 2004 Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp>
* ext/tk/lib/tk/scrollbar.rb: When 'set' operation, a scrollbar
cannot propagate view port information from the source widget
(that calls 'set') to other assigned widgets.
Thu Oct 7 17:36:25 2004 Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp>
* ext/tk/lib/tk.rb: When CHILDKILLED and so on, Tk.errorCode returns

13
ext/tk/lib/tk/scrollbar.rb
View file

@ -29,6 +29,15 @@ class TkScrollbar<TkWindow
end
private :create_self
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
def assign(*wins)
begin
self.command(@scroll_proc) if self.cget('command').cmd != @scroll_proc
@ -39,9 +48,9 @@ class TkScrollbar<TkWindow
wins.each{|w|
@assigned << w unless @assigned.index(w)
if orient == 'horizontal'
w.xscrollcommand proc{|first, last| self.set(first, last)}
w.xscrollcommand proc{|first, last| self.propagate_set(w, first, last)}
else # 'vertical'
w.yscrollcommand proc{|first, last| self.set(first, last)}
w.yscrollcommand proc{|first, last| self.propagate_set(w, first, last)}
end
}
Tk.update # avoid scrollbar trouble