88 lines
3.0 KiB
C
88 lines
3.0 KiB
C
/* util.c
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*
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* $Id$
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*
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* Copyright 1990, 1991, 1992, 1993, 1994, 1995, Oliver Laumann, Berlin
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* Copyright 2002, 2003 Sam Hocevar <sam@zoy.org>, Paris
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*
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* This software was derived from Elk 1.2, which was Copyright 1987, 1988,
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* 1989, Nixdorf Computer AG and TELES GmbH, Berlin (Elk 1.2 has been written
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* by Oliver Laumann for TELES Telematic Services, Berlin, in a joint project
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* between TELES and Nixdorf Microprocessor Engineering, Berlin).
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*
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* Oliver Laumann, TELES GmbH, Nixdorf Computer AG and Sam Hocevar, as co-
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* owners or individual owners of copyright in this software, grant to any
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* person or company a worldwide, royalty free, license to
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*
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* i) copy this software,
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* ii) prepare derivative works based on this software,
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* iii) distribute copies of this software or derivative works,
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* iv) perform this software, or
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* v) display this software,
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*
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* provided that this notice is not removed and that neither Oliver Laumann
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* nor Teles nor Nixdorf are deemed to have made any representations as to
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* the suitability of this software for any purpose nor are held responsible
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* for any defects of this software.
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*
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* THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
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*/
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#include "xlib.h"
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#include <string.h>
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static Object P_Get_Default (Object d, Object program, Object option) {
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register char *ret;
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Check_Type (d, T_Display);
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ret = XGetDefault (DISPLAY(d)->dpy, Get_Strsym (program),
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Get_Strsym (option));
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if (ret)
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return Make_String (ret, strlen (ret));
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return False;
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}
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static Object P_Resource_Manager_String (Object d) {
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register char *ret;
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Check_Type (d, T_Display);
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ret = XResourceManagerString (DISPLAY(d)->dpy);
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return ret ? Make_String (ret, strlen (ret)) : False;
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}
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static Object P_Parse_Geometry (Object string) {
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Object ret, t;
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register int mask;
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int x, y;
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unsigned w, h;
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mask = XParseGeometry (Get_Strsym (string), &x, &y, &w, &h);
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t = ret = P_Make_List (Make_Integer (6), False);
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if (mask & XNegative) Car (t) = True; t = Cdr (t);
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if (mask & YNegative) Car (t) = True; t = Cdr (t);
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if (mask & XValue) Car (t) = Make_Integer (x); t = Cdr (t);
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if (mask & YValue) Car (t) = Make_Integer (y); t = Cdr (t);
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if (mask & WidthValue) Car (t) = Make_Unsigned (w); t = Cdr (t);
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if (mask & HeightValue) Car (t) = Make_Unsigned (h);
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return ret;
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}
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static Object P_Parse_Color (Object d, Object cmap, Object spec) {
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XColor ret;
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Check_Type (d, T_Display);
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if (XParseColor (DISPLAY(d)->dpy, Get_Colormap (cmap), Get_Strsym (spec),
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&ret))
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return Make_Color (ret.red, ret.green, ret.blue);
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return False;
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}
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void elk_init_xlib_util () {
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Define_Primitive (P_Get_Default, "get-default", 3, 3, EVAL);
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Define_Primitive (P_Resource_Manager_String,
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"resource-manager-string", 1, 1, EVAL);
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Define_Primitive (P_Parse_Geometry, "parse-geometry", 1, 1, EVAL);
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Define_Primitive (P_Parse_Color, "parse-color", 3, 3, EVAL);
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}
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