bug#14819: Scrolling page up-page down with scroll bar does not work

[Angelo Graziosi]

Il 08/07/2013 18.53, Angelo Graziosi ha scritto:
> Il 08/07/2013 18.23, Eli Zaretskii ha scritto:
> > > Date: Mon, 08 Jul 2013 15:08:11 +0200
> > > From: Angelo Graziosi <angelo.graziosi@alice.it>
> > >
> > > To reproduce:
> >
> > In what version of Emacs?  (Why not use 'report-emacs-bug'?)
>
> Trunk r. 113304 GTK build on Cygwin (I will try it for the next bug
> report...)
>
> I will try on GNU/Linux to see if this is Cygwin related...

It seem a Cygwin issue. I can't reproduce it on Kubuntu.. Curiously, it 
works on Cygwin if I click with mouse-3 instead of mouse-1..

I wonder if this is related to same recent update. Indeed I can 
reproduce the issue also with old build, say last march..


> Ciao,
>    Angelo.



> > > $ emacs -Q &
> > > C-x C-f A_LONG_TEXT_FILE
> > >
> > > The scroll bar is on the right and it has an UP arrow and a DOWN arrow.
> > > Clicking with mouse-1 on these arrows, scrolls the buffer one line at
> > > time (up or down), and this is OK.
> > >
> > > Now, clicking just above the DOWN arrow or just below the UP arrow
> > > should scroll the buffer a *page* at time (down or up), instead it only
> > > moves the scroll bar cursor.. :-(
> >
> > Works as expected for me in the w32 build of yesterday's trunk.