X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=hacks%2Fglx%2Fgltrackball.c;h=93d4c54263ef97e2610616d794013e10f0acbc5d;hb=6f5482d73adb0165c0130bb47d852644ab0c4869;hp=c0ccaa133d54f246f8e53a170b63733a8c40333b;hpb=f8cf5ac7b2f53510f80a0eaf286a25298be17bfe;p=xscreensaver diff --git a/hacks/glx/gltrackball.c b/hacks/glx/gltrackball.c index c0ccaa13..93d4c542 100644 --- a/hacks/glx/gltrackball.c +++ b/hacks/glx/gltrackball.c @@ -29,6 +29,8 @@ #include "trackball.h" #include "gltrackball.h" +extern double current_device_rotation (void); /* Bah, it's in fps.h */ + struct trackball_state { int x, y; GLfloat q[4]; @@ -55,6 +57,7 @@ gltrackball_reset (trackball_state *ts) trackball (ts->q, 0, 0, 0, 0); } + /* Begin tracking the mouse: Call this when the mouse button goes down. x and y are the mouse position relative to the window. w and h are the size of the window.