Re: [hatari-devel] Feedback SDL2 support

[David Savinkoff <dsavnkff@xxxxxxxxx>]

----- Thomas Huth wrote:
> Am Sun, 24 May 2015 14:36:26 -0600 (MDT)
> 
>  Hi David,
> 
> sorry for the very late reply, ... finally I had some spare minutes to
> look into this...
> 
> schrieb David Savinkoff <dsavnkff@xxxxxxxxx>:
> 
> > ----- David Savinkoff wrote:
> > > 
> > > When I toggle SDL2 fullscreen <F11>, the mouse cursor gets
> > > repositioned because of the different screen sizes. The mouse
> > > cursor doesn't always get repositioned in a manner that I
> > > understand... probably in an incorrect manner. This probably causes
> > > the host computer to change 'window focus' when changing the screen
> > > sizes; giving bogus coordinates and wreaking havoc.
> > > 
> > > Here is a possible clue that makes a slight difference:
> > > 
> > > (hatari/src/main.c)
> > > 
> > > /**
> > >  * Set mouse pointer to new coordinates and set flag to ignore the
> > > mouse event
> > >  * that is generated by SDL_WarpMouse().
> > >  */
> > > void Main_WarpMouse(int x, int y)
> > > {
> > > #if WITH_SDL2
> > > 	SDL_WarpMouseInWindow(sdlWindow, x, y);
> > > #else
> > > 	SDL_WarpMouse(x, y);
> > > 	bIgnoreNextMouseMotion = true;
> > > #endif
> > > //	bIgnoreNextMouseMotion = true;  ^moved up^  **NOTICE
> > > HERE**
> > > 
> > > }
> > > 
> > > ***
> > > Hopefully this info will be helpful. Note that this does not
> > > solve the problem.
> 
> Question: Are you running in Falcon or TT mode when this happens, or in
> ST / STE mode? Or does it happen in both modes?
> 
> > The following was noticed on Hatari(old core), SDL2, CentOS6
> > (The laptop where Hatari SDL2 works great).
> > 
> > The good
> > 1) run hatari and position mouse in approximately center of hatari
> > screen 2) press F11 and notice that mouse is correctly in the same
> > relative spot 3) toggle F11 a few times and note that all works
> > properly as expected.
> > 
> > The bad
> > 4) run hatari and position mouse in Top Left of hatari screen.
> > 5) press F11 and notice that mouse is incorrectly GONE. (repeat a few
> > times)
> 
> Where did you position your Hatari window before switching to
> fullscreen mode? In the center or in a corner of the screen?
> Also, was this in Falcon/TT mode or in ST/STE mode?
> 
> > The ugly
> > 6) run hatari and note that the hatari window is centered on the
> > desktop. 7) move the hatari window.
> > 8) press F11 and note that hatari is full screen.
> > 9) press F11 and note that the hatari window is !!! centered on the
> > desktop. 10) repeat (7) to (9) to note that the hatari window is
> > erroneously re-centered.
> 
> At least this works fine for me. I think this depends on your Window
> manager. What kind of desktop environment are you using?
> 
>  Thomas

Hi Thomas,

Thanks. It has been a while;  I will re-investigate this and have
answers by tuesday. I remember that I had differing results on
CentOS 5 and CentOS 6. I can probably compile new versions
of SDL2 by now. Also, Hatari has been improved too.