cursorset.c - sam - An updated version of the sam text editor.
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       cursorset.c (360B)
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            1 /* Copyright (c) 1998 Lucent Technologies - All rights reserved. */
            2 #include <u.h>
            3 #include <libg.h>
            4 #include "libgint.h"
            5 
            6 /*
            7  * Only allow cursor to move within screen Bitmap
            8  */
            9 void
           10 cursorset(Point p)
           11 {
           12     /* motion will be relative to window origin */
           13     p = sub(p, screen.r.min);
           14     XWarpPointer(_dpy, None, (Window)screen.id, 0, 0, 0, 0, p.x, p.y);
           15 }