/*
* Interchange colors in the cache, e.g., for reverse-video.
*/
void
redoCgs(XtermWidget xw, Pixel fg, Pixel bg, CgsEnum cgsId)
{
int n;
VTwin *cgsWin = WhichVWin(TScreenOf(xw));
CgsCache *me = myCache(xw, cgsWin, cgsId);
if (me != 0) {
CgsCacheData *save_data = me->data;
for (n = 0; n < DEPTH; ++n) {
if (LIST(n).gc != 0 && HaveFont(LIST(n).font)) {
LINK(n);
if (LIST(n).fg == fg
&& LIST(n).bg == bg) {
setCgsFore(xw, cgsWin, cgsId, bg);
setCgsBack(xw, cgsWin, cgsId, fg);
} else if (LIST(n).fg == bg
&& LIST(n).bg == fg) {
setCgsFore(xw, cgsWin, cgsId, fg);
setCgsBack(xw, cgsWin, cgsId, bg);
} else {
continue;
}
(void) chgCache(xw, cgsId, me, False);
}
}
me->data = save_data;
}
}
/*
* Copy the parameters (except GC of course) from one cache record to another.
*/
void
copyCgs(XtermWidget xw, VTwin *cgsWin, CgsEnum dstCgsId, CgsEnum srcCgsId)
{
if (dstCgsId != srcCgsId) {
CgsCache *me;
if ((me = myCache(xw, cgsWin, srcCgsId)) != 0) {
TRACE(("copyCgs from %s to %s\n",
traceCgsEnum(srcCgsId),
traceCgsEnum(dstCgsId)));
TRACE2(("copyCgs from %s (me %p, fg %s, bg %s, cset %s) to %s {{\n",
traceCgsEnum(srcCgsId),
me,
tracePixel(xw, THIS(fg)),
tracePixel(xw, THIS(bg)),
traceCSet(THIS(cset)),
traceCgsEnum(dstCgsId)));
setCgsCSet(xw, cgsWin, dstCgsId, THIS(cset));
setCgsFore(xw, cgsWin, dstCgsId, THIS(fg));
setCgsBack(xw, cgsWin, dstCgsId, THIS(bg));
setCgsFont(xw, cgsWin, dstCgsId, THIS(font));
TRACE2(("...copyCgs }}\n"));
}
}
}
/*
* Lookup/cache a GC for the double-size character display. We save up to
* NUM_CHRSET values.
*/
GC
xterm_DoubleGC(XtermWidget xw,
unsigned chrset,
unsigned attr_flags,
unsigned draw_flags,
GC old_gc,
int *inxp)
{
TScreen *screen = TScreenOf(xw);
VTwin *cgsWin = WhichVWin(screen);
char *name;
GC result = 0;
if ((name = xtermSpecialFont(screen, attr_flags, draw_flags, chrset)) != 0) {
CgsEnum cgsId = WhichCgsId(attr_flags);
Boolean found = False;
XTermFonts *data = 0;
int n;
if ((n = xterm_Double_index(xw, chrset, attr_flags)) >= 0) {
data = &(screen->double_fonts[n]);
if (data->fn != 0) {
if (!strcmp(data->fn, name)
&& data->fs != 0) {
found = True;
free(name);
} else {
discard_font(xw, n);
}
}
}
if (!found) {
XTermFonts temp;
TRACE(("xterm_DoubleGC %s %d: %s\n",
(attr_flags & BOLD) ? "BOLD" : "NORM", n, name));
memset(&temp, 0, sizeof(temp));
temp.fn = name;
temp.chrset = chrset;
temp.flags = (attr_flags & BOLD);
if (!xtermOpenFont(xw, name, &temp, fwAlways, False)) {
/* Retry with * in resolutions */
char *nname = xtermSpecialFont(screen,
attr_flags,
draw_flags | NORESOLUTION,
chrset);
if (nname != 0) {
found = (Boolean) xtermOpenFont(xw, nname, &temp,
fwAlways, False);
free(nname);
}
} else {
found = True;
}
free(name);
if (found) {
n = 0;
data = pushback_font(xw, &temp);
}
TRACE(("-> %s\n", found ? "OK" : "FAIL"));
}
if (found) {
setCgsCSet(xw, cgsWin, cgsId, chrset);
setCgsFont(xw, cgsWin, cgsId, data);
setCgsFore(xw, cgsWin, cgsId, getCgsFore(xw, cgsWin, old_gc));
setCgsBack(xw, cgsWin, cgsId, getCgsBack(xw, cgsWin, old_gc));
result = getCgsGC(xw, cgsWin, cgsId);
*inxp = n;
} else if (attr_flags & BOLD) {
UIntClr(attr_flags, BOLD);
result = xterm_DoubleGC(xw, chrset,
attr_flags,
draw_flags,
old_gc, inxp);
}
}
return result;
}