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Annotation of researchv9/X11/src/X.V11R1/lib/oldXtk/Cursors.c, revision 1.1.1.1

1.1       root        1: /* $Header: Cursors.c,v 1.1 87/09/11 07:57:27 toddb Exp $ */
                      2: #ifndef lint
                      3: static char *sccsid = "@(#)Cursors.c   1.4     2/25/87";
                      4: #endif lint
                      5: 
                      6: /*
                      7:  * Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
                      8:  * 
                      9:  *                         All Rights Reserved
                     10:  * 
                     11:  * Permission to use, copy, modify, and distribute this software and its 
                     12:  * documentation for any purpose and without fee is hereby granted, 
                     13:  * provided that the above copyright notice appear in all copies and that
                     14:  * both that copyright notice and this permission notice appear in 
                     15:  * supporting documentation, and that the name of Digital Equipment
                     16:  * Corporation not be used in advertising or publicity pertaining to
                     17:  * distribution of the software without specific, written prior permission.  
                     18:  * 
                     19:  * 
                     20:  * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
                     21:  * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
                     22:  * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
                     23:  * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
                     24:  * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
                     25:  * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
                     26:  * SOFTWARE.
                     27:  */
                     28: 
                     29: 
                     30: #include "Xlib.h"
                     31: #include "Intrinsic.h"
                     32: 
                     33: static Cursor  *cursorarray = NULL;
                     34: static int     numcursors = 0;
                     35: 
                     36: static Boolean initialized = FALSE;
                     37: 
                     38: 
                     39: void CursorsInitialize()
                     40: {
                     41:     if (initialized)
                     42:        return;
                     43:     initialized = TRUE;
                     44:     numcursors = 1;
                     45:     cursorarray = (Cursor *) XtMalloc(sizeof(Cursor));
                     46:     *cursorarray = NULL;
                     47: }
                     48: 
                     49: Cursor XtGetCursor(dpy, num)
                     50:     Display *dpy;
                     51:     int num;
                     52: {
                     53:     if (num >= numcursors) {
                     54:        cursorarray = (Cursor *) XtRealloc((char *)cursorarray,
                     55:                                        (unsigned) (num + 1) * sizeof(Cursor));
                     56:        for (; numcursors <= num ; numcursors++)
                     57:            cursorarray[numcursors] = NULL;
                     58:     }
                     59:     if (cursorarray[num] == NULL)
                     60:        cursorarray[num] = XCreateFontCursor(dpy, (unsigned) num);
                     61:     return cursorarray[num];
                     62: }

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