view docs/man3/SDL_JoyHatEvent.3 @ 1052:68f607298ca9

Some work on using accelerated alpha blits with hardware surfaces. From Stephane Marchesin's fork, don't know who originally wrote it.
author Ryan C. Gordon <icculus@icculus.org>
date Sun, 17 Apr 2005 10:40:41 +0000
parents e5bc29de3f0a
children 546f7c1eb755
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.TH "SDL_JoyHatEvent" "3" "Tue 11 Sep 2001, 22:59" "SDL" "SDL API Reference" 
.SH "NAME"
SDL_JoyHatEvent\- Joystick hat position change event structure
.SH "STRUCTURE DEFINITION"
.PP
.nf
\f(CWtypedef struct{
  Uint8 type;
  Uint8 which;
  Uint8 hat;
  Uint8 value;
} SDL_JoyHatEvent;\fR
.fi
.PP
.SH "STRUCTURE DATA"
.TP 20
\fBtype\fR
\fBSDL_JOY\fP
.TP 20
\fBwhich\fR
Joystick device index
.TP 20
\fBhat\fR
Joystick hat index
.TP 20
\fBvalue\fR
Hat position
.SH "DESCRIPTION"
.PP
\fBSDL_JoyHatEvent\fR is a member of the \fI\fBSDL_Event\fR\fR union and is used when an event of type \fBSDL_JOYHATMOTION\fP is reported\&.
.PP
A \fBSDL_JOYHATMOTION\fP event occurs when ever a user moves a hat on the joystick\&. The field \fBwhich\fR is the index of the joystick that reported the event and \fBhat\fR is the index of the hat (for a more detailed exlaination see the \fIJoystick section\fR)\&. \fBvalue\fR is the current position of the hat\&. It is a logically OR\&'d combination of the following values (whose meanings should be pretty obvious:) :
.IP "" 10
\fBSDL_HAT_CENTERED\fP
.IP "" 10
\fBSDL_HAT_UP\fP
.IP "" 10
\fBSDL_HAT_RIGHT\fP
.IP "" 10
\fBSDL_HAT_DOWN\fP
.IP "" 10
\fBSDL_HAT_LEFT\fP
.PP
The following defines are also provided:
.IP "" 10
\fBSDL_HAT_RIGHTUP\fP
.IP "" 10
\fBSDL_HAT_RIGHTDOWN\fP
.IP "" 10
\fBSDL_HAT_LEFTUP\fP
.IP "" 10
\fBSDL_HAT_LEFTDOWN\fP
.SH "SEE ALSO"
.PP
\fI\fBSDL_Event\fR\fR, \fIJoystick Functions\fR, \fI\fBSDL_JoystickEventState\fP\fR, \fI\fBSDL_JoystickGetHat\fP\fR
...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 22:59