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/* util.c
*
* $Id: util.c 91 2003-09-04 14:32:13Z sam $
*
* Copyright 1990, 1991, 1992, 1993, 1994, 1995, Oliver Laumann, Berlin
* Copyright 2002, 2003 Sam Hocevar <sam@zoy.org>, Paris
*
* This software was derived from Elk 1.2, which was Copyright 1987, 1988,
* 1989, Nixdorf Computer AG and TELES GmbH, Berlin (Elk 1.2 has been written
* by Oliver Laumann for TELES Telematic Services, Berlin, in a joint project
* between TELES and Nixdorf Microprocessor Engineering, Berlin).
*
* Oliver Laumann, TELES GmbH, Nixdorf Computer AG and Sam Hocevar, as co-
* owners or individual owners of copyright in this software, grant to any
* person or company a worldwide, royalty free, license to
*
* i) copy this software,
* ii) prepare derivative works based on this software,
* iii) distribute copies of this software or derivative works,
* iv) perform this software, or
* v) display this software,
*
* provided that this notice is not removed and that neither Oliver Laumann
* nor Teles nor Nixdorf are deemed to have made any representations as to
* the suitability of this software for any purpose nor are held responsible
* for any defects of this software.
*
* THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
*/
#include "xlib.h"
#include <string.h>
static Object P_Get_Default (Object d, Object program, Object option) {
register char *ret;
Check_Type (d, T_Display);
ret = XGetDefault (DISPLAY(d)->dpy, Get_Strsym (program),
Get_Strsym (option));
if (ret)
return Make_String (ret, strlen (ret));
return False;
}
static Object P_Resource_Manager_String (Object d) {
register char *ret;
Check_Type (d, T_Display);
ret = XResourceManagerString (DISPLAY(d)->dpy);
return ret ? Make_String (ret, strlen (ret)) : False;
}
static Object P_Parse_Geometry (Object string) {
Object ret, t;
register int mask;
int x, y;
unsigned w, h;
mask = XParseGeometry (Get_Strsym (string), &x, &y, &w, &h);
t = ret = P_Make_List (Make_Integer (6), False);
if (mask & XNegative) Car (t) = True; t = Cdr (t);
if (mask & YNegative) Car (t) = True; t = Cdr (t);
if (mask & XValue) Car (t) = Make_Integer (x); t = Cdr (t);
if (mask & YValue) Car (t) = Make_Integer (y); t = Cdr (t);
if (mask & WidthValue) Car (t) = Make_Unsigned (w); t = Cdr (t);
if (mask & HeightValue) Car (t) = Make_Unsigned (h);
return ret;
}
static Object P_Parse_Color (Object d, Object cmap, Object spec) {
XColor ret;
Check_Type (d, T_Display);
if (XParseColor (DISPLAY(d)->dpy, Get_Colormap (cmap), Get_Strsym (spec),
&ret))
return Make_Color (ret.red, ret.green, ret.blue);
return False;
}
void elk_init_xlib_util () {
Define_Primitive (P_Get_Default, "get-default", 3, 3, EVAL);
Define_Primitive (P_Resource_Manager_String,
"resource-manager-string", 1, 1, EVAL);
Define_Primitive (P_Parse_Geometry, "parse-geometry", 1, 1, EVAL);
Define_Primitive (P_Parse_Color, "parse-color", 3, 3, EVAL);
}
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