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| author | Jesse Hall <jessehall@google.com> | 2012-07-09 11:27:07 -0700 |
|---|---|---|
| committer | Jesse Hall <jessehall@google.com> | 2012-07-22 00:35:08 -0700 |
| commit | 9682c8870b8ff5e4ac2e4c70b759f791c6f38c1f (patch) | |
| tree | ded6ee18c4e1f33df235e53615a6d65e2d64f4ef /distrib/sdl-1.2.15/docs/man3/SDL_JoystickGetBall.3 | |
| parent | 74b55003f76dbca96e4a26d98fe464081ca5341f (diff) | |
| download | external_qemu-9682c8870b8ff5e4ac2e4c70b759f791c6f38c1f.zip external_qemu-9682c8870b8ff5e4ac2e4c70b759f791c6f38c1f.tar.gz external_qemu-9682c8870b8ff5e4ac2e4c70b759f791c6f38c1f.tar.bz2 | |
Import SDL release-1.2.15
Change-Id: I505c4aea24325cad475f217db5589814b4c75dbf
Diffstat (limited to 'distrib/sdl-1.2.15/docs/man3/SDL_JoystickGetBall.3')
| -rw-r--r-- | distrib/sdl-1.2.15/docs/man3/SDL_JoystickGetBall.3 | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/docs/man3/SDL_JoystickGetBall.3 b/distrib/sdl-1.2.15/docs/man3/SDL_JoystickGetBall.3 new file mode 100644 index 0000000..124c910 --- /dev/null +++ b/distrib/sdl-1.2.15/docs/man3/SDL_JoystickGetBall.3 @@ -0,0 +1,37 @@ +.TH "SDL_JoystickGetBall" "3" "Tue 11 Sep 2001, 23:00" "SDL" "SDL API Reference" +.SH "NAME" +SDL_JoystickGetBall \- Get relative trackball motion +.SH "SYNOPSIS" +.PP +\fB#include "SDL\&.h" +.sp +\fBint \fBSDL_JoystickGetBall\fP\fR(\fBSDL_Joystick *joystick, int ball, int *dx, int *dy\fR); +.SH "DESCRIPTION" +.PP +Get the \fBball\fR axis change\&. +.PP +Trackballs can only return relative motion since the last call to \fBSDL_JoystickGetBall\fP, these motion deltas a placed into \fBdx\fR and \fBdy\fR\&. +.SH "RETURN VALUE" +.PP +Returns \fB0\fR on success or \fB-1\fR on failure +.SH "EXAMPLES" +.PP +.PP +.nf +\f(CWint delta_x, delta_y; +SDL_Joystick *joy; +\&. +\&. +\&. +SDL_JoystickUpdate(); +if(SDL_JoystickGetBall(joy, 0, &delta_x, &delta_y)==-1) + printf("TrackBall Read Error! +"); +printf("Trackball Delta- X:%d, Y:%d +", delta_x, delta_y);\fR +.fi +.PP +.SH "SEE ALSO" +.PP +\fI\fBSDL_JoystickNumBalls\fP\fR +.\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:00 |