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Annotation of researchv9/X11/src/X.V11R1/lib/Xtk/Cursors.c, revision 1.1

1.1     ! root        1: #ifndef lint
        !             2: static char rcsid[] = "$Header: Cursors.c,v 1.3 87/09/11 21:19:01 haynes Rel $";
        !             3: #endif lint
        !             4: 
        !             5: /*
        !             6:  * Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
        !             7:  * 
        !             8:  *                         All Rights Reserved
        !             9:  * 
        !            10:  * Permission to use, copy, modify, and distribute this software and its 
        !            11:  * documentation for any purpose and without fee is hereby granted, 
        !            12:  * provided that the above copyright notice appear in all copies and that
        !            13:  * both that copyright notice and this permission notice appear in 
        !            14:  * supporting documentation, and that the name of Digital Equipment
        !            15:  * Corporation not be used in advertising or publicity pertaining to
        !            16:  * distribution of the software without specific, written prior permission.  
        !            17:  * 
        !            18:  * 
        !            19:  * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
        !            20:  * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
        !            21:  * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
        !            22:  * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
        !            23:  * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
        !            24:  * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
        !            25:  * SOFTWARE.
        !            26:  */
        !            27: #include "Xlib.h"
        !            28: #include "Intrinsic.h"
        !            29: 
        !            30: static Cursor  *cursorarray = NULL;
        !            31: static int     numcursors = 0;
        !            32: 
        !            33: static Boolean initialized = FALSE;
        !            34: 
        !            35: 
        !            36: void CursorsInitialize()
        !            37: {
        !            38:     if (initialized)
        !            39:        return;
        !            40:     initialized = TRUE;
        !            41:     numcursors = 1;
        !            42:     cursorarray = (Cursor *) XtMalloc((unsigned)sizeof(Cursor));
        !            43:     *cursorarray = NULL;
        !            44: }
        !            45: 
        !            46: Cursor XtGetCursor(dpy, num)
        !            47:     Display *dpy;
        !            48:     int num;
        !            49: {
        !            50:     if (num >= numcursors) {
        !            51:        cursorarray = (Cursor *) XtRealloc((char *)cursorarray,
        !            52:                                        (unsigned) (num + 1) * sizeof(Cursor));
        !            53:        for (; numcursors <= num ; numcursors++)
        !            54:            cursorarray[numcursors] = NULL;
        !            55:     }
        !            56:     if (cursorarray[num] == NULL)
        !            57:        cursorarray[num] = XCreateFontCursor(dpy, (unsigned) num);
        !            58:     return cursorarray[num];
        !            59: }

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