1 /* objects.c
2  *
3  * $Id$
4  *
5  * Copyright 1990, 1991, 1992, 1993, 1994, 1995, Oliver Laumann, Berlin
6  * Copyright 2002, 2003 Sam Hocevar <sam@hocevar.net>, Paris
7  *
8  * This software was derived from Elk 1.2, which was Copyright 1987, 1988,
9  * 1989, Nixdorf Computer AG and TELES GmbH, Berlin (Elk 1.2 has been written
10  * by Oliver Laumann for TELES Telematic Services, Berlin, in a joint project
11  * between TELES and Nixdorf Microprocessor Engineering, Berlin).
12  *
13  * Oliver Laumann, TELES GmbH, Nixdorf Computer AG and Sam Hocevar, as co-
14  * owners or individual owners of copyright in this software, grant to any
15  * person or company a worldwide, royalty free, license to
16  *
17  *    i) copy this software,
18  *   ii) prepare derivative works based on this software,
19  *  iii) distribute copies of this software or derivative works,
20  *   iv) perform this software, or
21  *    v) display this software,
22  *
23  * provided that this notice is not removed and that neither Oliver Laumann
24  * nor Teles nor Nixdorf are deemed to have made any representations as to
25  * the suitability of this software for any purpose nor are held responsible
26  * for any defects of this software.
27  *
28  * THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
29  */
30 
31 #include <stdarg.h>
32 
33 #include "xlib.h"
34 
35 Object Sym_None;
36 
Match_X_Obj(Object x,va_list v)37 int Match_X_Obj (Object x, va_list v) {
38     register int type = TYPE(x);
39 
40     if (type == T_Display) {
41         return 1;
42     } else if (type == T_Gc) {
43         return va_arg (v, GC) == GCONTEXT(x)->gc;
44     } else if (type == T_Pixel) {
45         return va_arg (v, unsigned long) == PIXEL(x)->pix;
46     } else if (type == T_Pixmap) {
47         return va_arg (v, Pixmap) == PIXMAP(x)->pm;
48     } else if (type == T_Window) {
49         return va_arg (v, Window) == WINDOW(x)->win;
50     } else if (type == T_Font) {
51         return va_arg (v, Font) == FONT(x)->id;
52     } else if (type == T_Colormap) {
53         return va_arg (v, Colormap) == COLORMAP(x)->cm;
54     } else if (type == T_Color) {
55         return va_arg (v, unsigned int) == COLOR(x)->c.red
56             && va_arg (v, unsigned int) == COLOR(x)->c.green
57             && va_arg (v, unsigned int) == COLOR(x)->c.blue;
58     } else if (type == T_Cursor) {
59         return va_arg (v, Cursor) == CURSOR(x)->cursor;
60     } else if (type == T_Atom) {
61         return va_arg (v, Atom) == ATOM(x)->atom;
62     } else Panic ("Match_X_Obj");
63     return 0;
64 }
65 
elk_init_xlib_objects()66 void elk_init_xlib_objects () {
67     Define_Symbol (&Sym_None, "none");
68 }
69