Re: [AD] Problem with key_shifts on Windows.

[Victor <vwss1984@xxxxxxxxxx>]

I runned exkeys in fullscreen.

In Control Panel/Keyboard:
"Standard 101/102-Key ou Microsoft Natural PS/2 Keyboard"

In Control Panel/System:
"Microsoft Windows 2000
5.00.2195
Service Pack 4"

gcc -v says:
"blah blah blah...
gcc version 3.4.2 (mingw-special)"

I'm using Allegro 4.2.0 release version (i will test a 4.3 SVN later).

Some minutes ago, I changed the "GFX_AUTODETECT" to
"GFX_AUTODETECT_WINDOWED" in exkeys.c and recompiled it. When i runned
in windowed mode the problem still was there, nothing changed.

Surely this is a bug inside allegro or inside some Windows API.


PS: Back to 2001, i was programming in VB on those days. I've got some
weird behavior with alt and control keys, but i can't remember exactly
what. Maybe something wrong inside Windows API or Windows keyb drivers.

Victor Williams Stafusa da Silva


--- aj <aj@xxxxxxxxxx> escreveu:

> victor,
> 
> which OS, allegro version, compiler, etc.. 
> ? fullscreen or windowed  and the driver (as listed on the top of
> exkeys 
> when you run it)
> ? keyb driver..  in device manager, under Keyboards..  mine says 
> "Standard 101/102-Key or MS Natural PS/2 Keyb"
> ? in accessability options (control panel),  keyb tab..  are any of 
> those ticked ?
> 
> 
> i tried  /examples/exkeys  in fullscreen mode (DirectInput driver) on
> 
> WinXPsp1   msvc7 built...
> and my standard 101 keyb's  Alt-GR  did NOT  show any control key
> weirdness.
> 
> 
> 
> 
> 
> 
> 
> 
> Victor wrote:
> > I confirmed that. In exkeys, when i pressed the ALT GR key, the
> Left
> > control got a keypress too. This could stuck the Esc key too.
> > I'm in Windows 2000 with a ABNT2 brazilian keyboard.
> >
> > Victor Williams Stafusa da Silva
> >
> > --- Andrei Ellman <ae-a-alleg@xxxxxxxxxx> escreveu:
> >
> >   
> >> aj wrote:
> >>  > can these problems be demonstrated/or not  in the
> >> /examples/exkeys.exe ?
> >>
> >> I just tried exkeys.exe (only under Windows 2000) and at first,
> the 
> >> problem does not appear. However, on closer inspection of the
> code,
> >> the 
> >> bit where it tests the key_shifts variable is immediately preceded
> by
> >> a 
> >>   ureadkey(NULL); I tried adding readkey(NULL) to my example
> program,
> >>
> >> and although it now stops and waits for a regular key (letter,
> >> number, 
> >> etc) to be pressed before reading key_shifts, when I press a
> regular 
> >> key, the key_shifts variable is updated with the correct state of
> the
> >>
> >> shift-keys. From this, I conclude that the windows version only
> >> updates 
> >> key_shifts when a regular key is pressed, but the DOS version
> keeps 
> >> key_shifts in sync with the state of the keyboard. If exkeys.exe
> had
> >> a 
> >> portion where it just displayed the key_shifts variable without
> >> waiting 
> >> for readkey(), then the problem will be demonstrated.
> >>
> >> A manifestation of the problem where ESC does not work when the 
> >> CTRL/ALT keys are 'stuck' in exkeys.exe is where I cannot press
> ESC
> >> to 
> >> continue unless I press some other key first.
> >>
> >> Also, in exkeys, when I press ALT-GR, in the table of keys on the
> >> right 
> >> of the screen, it says I've pressed both ALT-GR and CTRL when I've
> >> not 
> >> pressed CTRL. If CTRL is held down, the values for both ALT-GR and
> >> CTRL 
> >> are correct. However, if I hold down RCONTROL when I'm holding
> down 
> >> ALT-GR, then the indicator for CTRL becomes un-set, although if
> I'm 
> >> holding down all 3 keys at once, the indicators are at their
> correct 
> >> values. None of this happens with the regular ALT key.
> >>
> >> I have a UK keyboard. According to the Windows Input-locales
> section
> >> of 
> >> the regional options applet, the input-language is "English
> (United 
> >> Kingdom)", and the Keyboard layout / IME is "United Kingdom".
> >>
> >> BTW. I added the following lines inside the main loop of my test
> >> program
> >>
> >> 	if(keyboard_needs_poll())
> >> 	{
> >> 		poll_keyboard();
> >> 	}
> >>
> >> and the results are still the same - even if I get rid of the if
> and 
> >> just call poll_keyboard()
> >>
> >>
> >> AE.
> >>
> >>
> >>
> >> -------------------------------------------------------
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> >>
> >>     
> >
>
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> >   
> >> -- 
> >> https://lists.sourceforge.net/lists/listinfo/alleg-developers
> >>
> >>     
> >
> >
> >
> > 		
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> >
>
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> >   
> 
> 
> -------------------------------------------------------
> Using Tomcat but need to do more? Need to support web services,
> security?
> Get stuff done quickly with pre-integrated technology to make your
> job easier
> Download IBM WebSphere Application Server v.1.0.1 based on Apache
> Geronimo
>
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> -- 
> https://lists.sourceforge.net/lists/listinfo/alleg-developers
> 



		
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