Mercurial > sdl-ios-xcode
view docs/man3/SDL_GetKeyState.3 @ 614:0b4c3f5ff63d
Date: Wed, 9 Apr 2003 18:21:33 -0230
From: Stephen Anthony <stephena@roadrunner.nf.net>
Subject: [SDL] First patch concerning 4.3 and refresh rates
OK, here's my first draft of the patch for the above subject.
A short explanation:
X 4.3 introduces many more modelines than older versions. This would be
fine, except it introduces many modes with the *same* resolution but
different refresh rates. And SDL won't necessarily pick the one with the
highest refresh rate.
So this patch restores SDL to X 4.2 functionality. That is, there is only
ever one refresh rate *per* resolution, and it is the highest possible.
This functionality can be totally disabled by using the environment
variable 'SDL_VIDEO_X11_USE_ALL_MODES' set equal to 1.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sun, 20 Apr 2003 05:36:52 +0000 |
| parents | e5bc29de3f0a |
| children | 546f7c1eb755 |
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.TH "SDL_GetKeyState" "3" "Tue 11 Sep 2001, 22:59" "SDL" "SDL API Reference" .SH "NAME" SDL_GetKeyState\- Get a snapshot of the current keyboard state .SH "SYNOPSIS" .PP \fB#include "SDL\&.h" .sp \fBUint8 *\fBSDL_GetKeyState\fP\fR(\fBint *numkeys\fR); .SH "DESCRIPTION" .PP Gets a snapshot of the current keyboard state\&. The current state is return as a pointer to an array, the size of this array is stored in \fBnumkeys\fR\&. The array is indexed by the \fI\fBSDLK_*\fP\fR symbols\&. A value of 1 means the key is pressed and a value of 0 means its not\&. The pointer returned is a pointer to an internal SDL array and should not be freed by the caller\&. .PP .RS \fBNote: .PP Use \fI\fBSDL_PumpEvents\fP\fR to update the state array\&. .RE .SH "EXAMPLE" .PP .PP .nf \f(CWUint8 *keystate = SDL_GetKeyState(NULL); if ( keystate[SDLK_RETURN] ) printf("Return Key Pressed\&. ");\fR .fi .PP .SH "SEE ALSO" .PP \fI\fBSDL Key Symbols\fP\fR, \fI\fBSDL_PumpEvents\fP\fR ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 22:59