+char *guess_derived_font_name(GdkFont *font, int bold, int wide)
+{
+ XFontStruct *xfs = GDK_FONT_XFONT(font);
+ Display *disp = GDK_FONT_XDISPLAY(font);
+ Atom fontprop = XInternAtom(disp, "FONT", False);
+ unsigned long ret;
+ if (XGetFontProperty(xfs, fontprop, &ret)) {
+ char *name = XGetAtomName(disp, (Atom)ret);
+ if (name && name[0] == '-') {
+ char *strings[13];
+ char *dupname, *extrafree = NULL, *ret;
+ char *p, *q;
+ int nstr;
+
+ p = q = dupname = dupstr(name); /* skip initial minus */
+ nstr = 0;
+
+ while (*p && nstr < lenof(strings)) {
+ if (*p == '-') {
+ *p = '\0';
+ strings[nstr++] = p+1;
+ }
+ p++;
+ }
+
+ if (nstr < lenof(strings))
+ return NULL; /* XLFD was malformed */
+
+ if (bold)
+ strings[2] = "bold";
+
+ if (wide) {
+ /* 4 is `wideness', which obviously may have changed. */
+ /* 5 is additional style, which may be e.g. `ja' or `ko'. */
+ strings[4] = strings[5] = "*";
+ strings[11] = extrafree = dupprintf("%d", 2*atoi(strings[11]));
+ }
+
+ ret = dupcat("-", strings[ 0], "-", strings[ 1], "-", strings[ 2],
+ "-", strings[ 3], "-", strings[ 4], "-", strings[ 5],
+ "-", strings[ 6], "-", strings[ 7], "-", strings[ 8],
+ "-", strings[ 9], "-", strings[10], "-", strings[11],
+ "-", strings[12], NULL);
+ sfree(extrafree);
+ sfree(dupname);
+
+ return ret;
+ }
+ }
+ return NULL;
+}
+