Date: Sun, 18 Apr 2004 16:09:53 -0400 (EDT) From: David MacCormack Subject: [SDL] Linux joystick patch I recently got myself a PS2 -> USB converter (a super joybox 5). It accepts 4 PSX/PS2 controllers. It's implemented as a HID, which is nice because it doesn't require its own driver, but the problem is that it's implemented as a *single* HID -- that is, it shows up as a single joystick with 19 axes, 4 hats, and 48 buttons. This poses a problem for a number of apps which use SDL (stella, fce ultra, zsnes, to name a few) and see only a single (physical) joystick even though there are really 4 (logical) joysticks. There are a number of these types of devices on the market, and I've seen others post messages (in the zsnes forum, for example) with the same problem, so I came up with what I think is a pretty generic solution. I patched src/joystick/linux/SDL_sysjoystic.c to include support for logical joysticks; basically, it's a static array and supporting functions that map a single physical joystick to multiple logical joysticks. The attached patch has the new code. It's wrapped inside #ifndef statements so that you can get the old behavior if you want.

.TH "SDL_WM_GrabInput" "3" "Tue 11 Sep 2001, 23:01" "SDL" "SDL API Reference" 
.SH "NAME"
SDL_WM_GrabInput\- Grabs mouse and keyboard input\&.
.SH "SYNOPSIS"
.PP
\fB#include "SDL\&.h"
.sp
\fBSDL_GrabMode \fBSDL_WM_GrabInput\fP\fR(\fBSDL_GrabMode mode\fR);
.SH "DESCRIPTION"
.PP
Grabbing means that the mouse is confined to the application window, and nearly all keyboard input is passed directly to the application, and not interpreted by a window manager, if any\&.
.PP
When \fBmode\fR is \fBSDL_GRAB_QUERY\fP the grab mode is not changed, but the current grab mode is returned\&.
.PP
.PP
.nf
\f(CWtypedef enum {
  SDL_GRAB_QUERY,
  SDL_GRAB_OFF,
  SDL_GRAB_ON
} SDL_GrabMode;\fR
.fi
.PP
 
.SH "RETURN VALUE"
.PP
The current/new \fBSDL_GrabMode\fR\&.
...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:01