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-rw-r--r--app/xterm/fontutils.c272
1 files changed, 145 insertions, 127 deletions
diff --git a/app/xterm/fontutils.c b/app/xterm/fontutils.c
index 1ac797bd3..7395a4e04 100644
--- a/app/xterm/fontutils.c
+++ b/app/xterm/fontutils.c
@@ -1,4 +1,4 @@
-/* $XTermId: fontutils.c,v 1.743 2022/10/06 23:48:16 tom Exp $ */
+/* $XTermId: fontutils.c,v 1.750 2022/10/23 22:55:11 tom Exp $ */
/*
* Copyright 1998-2021,2022 by Thomas E. Dickey
@@ -102,9 +102,9 @@
}
#define FREE_FNAME(field) \
- if (fonts == 0 || myfonts.field != fonts->field) { \
- FREE_STRING(myfonts.field); \
- myfonts.field = 0; \
+ if (fonts == 0 || new_fnames.field != fonts->field) { \
+ FREE_STRING(new_fnames.field); \
+ new_fnames.field = 0; \
}
/*
@@ -599,7 +599,7 @@ open_italic_font(XtermWidget xw, int n, FontNameProperties *fp, XTermFonts * dat
if ((name = italic_font_name(fp, slant[pass])) != 0) {
TRACE(("open_italic_font %s %s\n",
whichFontEnum((VTFontEnum) n), name));
- if (xtermOpenFont(xw, name, data, False)) {
+ if (xtermOpenFont(xw, name, data, NULL, False)) {
result = (data->fs != 0);
#if OPT_REPORT_FONTS
if (resource.reportFonts) {
@@ -1063,20 +1063,26 @@ xtermLoadQueryFont(XtermWidget xw, const char *name)
}
/*
- * Open the given font and verify that it is non-empty. Return a null on
+ * Open the given font and verify that it is non-empty. Return false on
* failure.
*/
Bool
xtermOpenFont(XtermWidget xw,
const char *name,
XTermFonts * result,
+ XTermFonts * current,
Bool force)
{
Bool code = False;
TRACE(("xtermOpenFont %d:%d '%s'\n",
result->warn, xw->misc.fontWarnings, NonNull(name)));
+
if (!IsEmpty(name)) {
+ Bool existing = (current != NULL
+ && current->fs != NULL
+ && current->fn != NULL);
+
if ((result->fs = xtermLoadQueryFont(xw, name)) != 0) {
code = True;
if (EmptyFont(result->fs)) {
@@ -1095,9 +1101,13 @@ xtermOpenFont(XtermWidget xw,
} else {
TRACE(("xtermOpenFont: cannot load font '%s'\n", name));
}
- if (force) {
+ if (existing) {
+ TRACE(("...continue using font '%s'\n", current->fn));
+ result->fn = x_strdup(current->fn);
+ result->fs = current->fs;
+ } else if (force) {
NoFontWarning(result);
- code = xtermOpenFont(xw, DEFFONT, result, True);
+ code = xtermOpenFont(xw, DEFFONT, result, NULL, True);
}
}
}
@@ -1349,6 +1359,7 @@ static Bool
loadNormFP(XtermWidget xw,
char **nameOutP,
XTermFonts * infoOut,
+ XTermFonts * current,
int fontnum)
{
Bool status = True;
@@ -1358,7 +1369,7 @@ loadNormFP(XtermWidget xw,
if (!xtermOpenFont(xw,
*nameOutP,
infoOut,
- (fontnum == fontMenu_default))) {
+ current, (fontnum == fontMenu_default))) {
/*
* If we are opening the default font, and it happens to be missing,
* force that to the compiled-in default font, e.g., "fixed". If we
@@ -1393,10 +1404,10 @@ loadBoldFP(XtermWidget xw,
if (fp != 0) {
NoFontWarning(infoOut);
*nameOutP = bold_font_name(fp, fp->average_width);
- if (!xtermOpenFont(xw, *nameOutP, infoOut, False)) {
+ if (!xtermOpenFont(xw, *nameOutP, infoOut, NULL, False)) {
free(*nameOutP);
*nameOutP = bold_font_name(fp, -1);
- xtermOpenFont(xw, *nameOutP, infoOut, False);
+ xtermOpenFont(xw, *nameOutP, infoOut, NULL, False);
}
TRACE(("...derived bold '%s'\n", NonNull(*nameOutP)));
}
@@ -1414,7 +1425,7 @@ loadBoldFP(XtermWidget xw,
TRACE(("...did not get a matching bold font\n"));
}
free(normal);
- } else if (!xtermOpenFont(xw, *nameOutP, infoOut, False)) {
+ } else if (!xtermOpenFont(xw, *nameOutP, infoOut, NULL, False)) {
xtermCopyFontInfo(infoOut, infoRef);
TRACE(("...cannot load bold font '%s'\n", NonNull(*nameOutP)));
} else {
@@ -1468,7 +1479,7 @@ loadWideFP(XtermWidget xw,
}
if (check_fontname(*nameOutP)) {
- if (xtermOpenFont(xw, *nameOutP, infoOut, False)
+ if (xtermOpenFont(xw, *nameOutP, infoOut, NULL, False)
&& is_derived_font_name(*nameOutP)
&& EmptyFont(infoOut->fs)) {
xtermCloseFont2(xw, infoOut - fWide, fWide);
@@ -1521,7 +1532,7 @@ loadWBoldFP(XtermWidget xw,
if (check_fontname(*nameOutP)) {
- if (xtermOpenFont(xw, *nameOutP, infoOut, False)
+ if (xtermOpenFont(xw, *nameOutP, infoOut, NULL, False)
&& is_derived_font_name(*nameOutP)
&& !compatibleWideCounts(wideInfoRef->fs, infoOut->fs)) {
xtermCloseFont2(xw, infoOut - fWBold, fWBold);
@@ -1574,6 +1585,10 @@ loadWBoldFP(XtermWidget xw,
}
#endif
+/*
+ * Load a given bitmap font, along with the bold/wide variants.
+ * Returns nonzero on success.
+ */
int
xtermLoadFont(XtermWidget xw,
const VTFontNames * fonts,
@@ -1583,33 +1598,37 @@ xtermLoadFont(XtermWidget xw,
TScreen *screen = TScreenOf(xw);
VTwin *win = WhichVWin(screen);
- VTFontNames myfonts;
- XTermFonts fnts[fMAX];
+ VTFontNames new_fnames;
+ XTermFonts new_fonts[fMAX];
+ XTermFonts old_fonts[fMAX];
char *tmpname = NULL;
Boolean proportional = False;
+ Boolean recovered;
+ int code = 0;
- memset(&myfonts, 0, sizeof(myfonts));
- memset(fnts, 0, sizeof(fnts));
+ memset(&new_fnames, 0, sizeof(new_fnames));
+ memset(new_fonts, 0, sizeof(new_fonts));
+ memcpy(&old_fonts, screen->fnts, sizeof(old_fonts));
if (fonts != 0)
- myfonts = *fonts;
- if (!check_fontname(myfonts.f_n))
- return 0;
+ new_fnames = *fonts;
+ if (!check_fontname(new_fnames.f_n))
+ return code;
if (fontnum == fontMenu_fontescape
- && myfonts.f_n != screen->MenuFontName(fontnum)) {
- if ((tmpname = x_strdup(myfonts.f_n)) == 0)
- return 0;
+ && new_fnames.f_n != screen->MenuFontName(fontnum)) {
+ if ((tmpname = x_strdup(new_fnames.f_n)) == 0)
+ return code;
}
- TRACE(("Begin Cgs - xtermLoadFont(%s)\n", myfonts.f_n));
+ TRACE(("Begin Cgs - xtermLoadFont(%s)\n", new_fnames.f_n));
releaseWindowGCs(xw, win);
#define DbgResource(name, field, index) \
TRACE(("xtermLoadFont #%d "name" %s%s\n", \
fontnum, \
- (fnts[index].warn == fwResource) ? "*" : " ", \
- NonNull(myfonts.field)))
+ (new_fonts[index].warn == fwResource) ? "*" : " ", \
+ NonNull(new_fnames.field)))
DbgResource("normal", f_n, fNorm);
DbgResource("bold ", f_b, fBold);
#if OPT_WIDE_CHARS
@@ -1618,16 +1637,17 @@ xtermLoadFont(XtermWidget xw,
#endif
if (!loadNormFP(xw,
- &myfonts.f_n,
- &fnts[fNorm],
+ &new_fnames.f_n,
+ &new_fonts[fNorm],
+ &old_fonts[fNorm],
fontnum))
goto bad;
if (!loadBoldFP(xw,
- &myfonts.f_b,
- &fnts[fBold],
- myfonts.f_n,
- &fnts[fNorm],
+ &new_fnames.f_b,
+ &new_fonts[fBold],
+ new_fnames.f_n,
+ &new_fonts[fNorm],
fontnum))
goto bad;
@@ -1639,20 +1659,20 @@ xtermLoadFont(XtermWidget xw,
if_OPT_WIDE_CHARS(screen, {
if (!loadWideFP(xw,
- &myfonts.f_w,
- &fnts[fWide],
- myfonts.f_n,
- &fnts[fNorm],
+ &new_fnames.f_w,
+ &new_fonts[fWide],
+ new_fnames.f_n,
+ &new_fonts[fNorm],
fontnum))
goto bad;
if (!loadWBoldFP(xw,
- &myfonts.f_wb,
- &fnts[fWBold],
- myfonts.f_w,
- &fnts[fWide],
- myfonts.f_b,
- &fnts[fBold],
+ &new_fnames.f_wb,
+ &new_fonts[fWBold],
+ new_fnames.f_w,
+ &new_fonts[fWide],
+ new_fnames.f_b,
+ &new_fonts[fBold],
fontnum))
goto bad;
@@ -1662,30 +1682,30 @@ xtermLoadFont(XtermWidget xw,
* Normal/bold fonts should be the same width. Also, the min/max
* values should be the same.
*/
- if (fnts[fNorm].fs != 0
- && fnts[fBold].fs != 0
- && (!is_fixed_font(fnts[fNorm].fs)
- || !is_fixed_font(fnts[fBold].fs)
- || differing_widths(fnts[fNorm].fs, fnts[fBold].fs))) {
+ if (new_fonts[fNorm].fs != 0
+ && new_fonts[fBold].fs != 0
+ && (!is_fixed_font(new_fonts[fNorm].fs)
+ || !is_fixed_font(new_fonts[fBold].fs)
+ || differing_widths(new_fonts[fNorm].fs, new_fonts[fBold].fs))) {
TRACE(("Proportional font! normal %d/%d, bold %d/%d\n",
- fnts[fNorm].fs->min_bounds.width,
- fnts[fNorm].fs->max_bounds.width,
- fnts[fBold].fs->min_bounds.width,
- fnts[fBold].fs->max_bounds.width));
+ new_fonts[fNorm].fs->min_bounds.width,
+ new_fonts[fNorm].fs->max_bounds.width,
+ new_fonts[fBold].fs->min_bounds.width,
+ new_fonts[fBold].fs->max_bounds.width));
proportional = True;
}
if_OPT_WIDE_CHARS(screen, {
- if (fnts[fWide].fs != 0
- && fnts[fWBold].fs != 0
- && (!is_fixed_font(fnts[fWide].fs)
- || !is_fixed_font(fnts[fWBold].fs)
- || differing_widths(fnts[fWide].fs, fnts[fWBold].fs))) {
+ if (new_fonts[fWide].fs != 0
+ && new_fonts[fWBold].fs != 0
+ && (!is_fixed_font(new_fonts[fWide].fs)
+ || !is_fixed_font(new_fonts[fWBold].fs)
+ || differing_widths(new_fonts[fWide].fs, new_fonts[fWBold].fs))) {
TRACE(("Proportional font! wide %d/%d, wide bold %d/%d\n",
- fnts[fWide].fs->min_bounds.width,
- fnts[fWide].fs->max_bounds.width,
- fnts[fWBold].fs->min_bounds.width,
- fnts[fWBold].fs->max_bounds.width));
+ new_fonts[fWide].fs->min_bounds.width,
+ new_fonts[fWide].fs->max_bounds.width,
+ new_fonts[fWBold].fs->min_bounds.width,
+ new_fonts[fWBold].fs->max_bounds.width));
proportional = True;
}
});
@@ -1704,13 +1724,13 @@ xtermLoadFont(XtermWidget xw,
screen->ifnts_ok = False;
#endif
- xtermCopyFontInfo(GetNormalFont(screen, fNorm), &fnts[fNorm]);
- xtermCopyFontInfo(GetNormalFont(screen, fBold), &fnts[fBold]);
+ xtermCopyFontInfo(GetNormalFont(screen, fNorm), &new_fonts[fNorm]);
+ xtermCopyFontInfo(GetNormalFont(screen, fBold), &new_fonts[fBold]);
#if OPT_WIDE_CHARS
- xtermCopyFontInfo(GetNormalFont(screen, fWide), &fnts[fWide]);
- if (fnts[fWBold].fs == NULL)
- xtermCopyFontInfo(GetNormalFont(screen, fWide), &fnts[fWide]);
- xtermCopyFontInfo(GetNormalFont(screen, fWBold), &fnts[fWBold]);
+ xtermCopyFontInfo(GetNormalFont(screen, fWide), &new_fonts[fWide]);
+ if (new_fonts[fWBold].fs == NULL)
+ xtermCopyFontInfo(GetNormalFont(screen, fWide), &new_fonts[fWide]);
+ xtermCopyFontInfo(GetNormalFont(screen, fWBold), &new_fonts[fWBold]);
#endif
xtermUpdateFontGCs(xw, getNormalFont);
@@ -1741,7 +1761,7 @@ xtermLoadFont(XtermWidget xw,
unsigned ch;
#if OPT_TRACE
-#define TRACE_MISS(index) show_font_misses(#index, &fnts[index])
+#define TRACE_MISS(index) show_font_misses(#index, &new_fonts[index])
TRACE_MISS(fNorm);
TRACE_MISS(fBold);
#if OPT_WIDE_CHARS
@@ -1758,8 +1778,8 @@ xtermLoadFont(XtermWidget xw,
if ((n != UCS_REPL)
&& (n != ch)
&& (screen->fnt_boxes & 2)) {
- if (xtermMissingChar(n, &fnts[fNorm]) ||
- xtermMissingChar(n, &fnts[fBold])) {
+ if (xtermMissingChar(n, &new_fonts[fNorm]) ||
+ xtermMissingChar(n, &new_fonts[fBold])) {
UIntClr(screen->fnt_boxes, 2);
TRACE(("missing graphics character #%d, U+%04X\n",
ch, n));
@@ -1771,12 +1791,12 @@ xtermLoadFont(XtermWidget xw,
#endif
for (ch = 1; ch < 32; ch++) {
- if (xtermMissingChar(ch, &fnts[fNorm])) {
+ if (xtermMissingChar(ch, &new_fonts[fNorm])) {
TRACE(("missing normal char #%d\n", ch));
UIntClr(screen->fnt_boxes, 1);
break;
}
- if (xtermMissingChar(ch, &fnts[fBold])) {
+ if (xtermMissingChar(ch, &new_fonts[fBold])) {
TRACE(("missing bold char #%d\n", ch));
UIntClr(screen->fnt_boxes, 1);
break;
@@ -1793,8 +1813,8 @@ xtermLoadFont(XtermWidget xw,
screen->enbolden = screen->bold_mode;
} else {
screen->enbolden = screen->bold_mode
- && ((fnts[fNorm].fs == fnts[fBold].fs)
- || same_font_name(myfonts.f_n, myfonts.f_b));
+ && ((new_fonts[fNorm].fs == new_fonts[fBold].fs)
+ || same_font_name(new_fnames.f_n, new_fnames.f_b));
}
TRACE(("Will %suse 1-pixel offset/overstrike to simulate bold\n",
screen->enbolden ? "" : "not "));
@@ -1810,7 +1830,7 @@ xtermLoadFont(XtermWidget xw,
update_font_escape();
}
#if OPT_SHIFT_FONTS
- screen->menu_font_sizes[fontnum] = FontSize(fnts[fNorm].fs);
+ screen->menu_font_sizes[fontnum] = FontSize(new_fonts[fNorm].fs);
#endif
}
set_cursor_gcs(xw);
@@ -1825,20 +1845,21 @@ xtermLoadFont(XtermWidget xw,
FREE_FNAME(f_w);
FREE_FNAME(f_wb);
#endif
- if (fnts[fNorm].fn == fnts[fBold].fn) {
- free(fnts[fNorm].fn);
+ if (new_fonts[fNorm].fn == new_fonts[fBold].fn) {
+ free(new_fonts[fNorm].fn);
} else {
- free(fnts[fNorm].fn);
- free(fnts[fBold].fn);
+ free(new_fonts[fNorm].fn);
+ free(new_fonts[fBold].fn);
}
#if OPT_WIDE_CHARS
- free(fnts[fWide].fn);
- free(fnts[fWBold].fn);
+ free(new_fonts[fWide].fn);
+ free(new_fonts[fWBold].fn);
#endif
xtermSetWinSize(xw);
return 1;
bad:
+ recovered = False;
free(tmpname);
#if OPT_RENDERFONT
@@ -1848,15 +1869,15 @@ xtermLoadFont(XtermWidget xw,
SetItemSensitivity(fontMenuEntries[fontnum].widget, True);
#endif
Bell(xw, XkbBI_MinorError, 0);
- myfonts.f_n = screen->MenuFontName(old_fontnum);
- return xtermLoadFont(xw, &myfonts, doresize, old_fontnum);
- } else if (x_strcasecmp(myfonts.f_n, DEFFONT)) {
- int code;
-
- myfonts.f_n = x_strdup(DEFFONT);
- TRACE(("...recovering for TrueType fonts\n"));
- code = xtermLoadFont(xw, &myfonts, doresize, fontnum);
- if (code) {
+ new_fnames.f_n = screen->MenuFontName(old_fontnum);
+ if (xtermLoadFont(xw, &new_fnames, doresize, old_fontnum))
+ recovered = True;
+ } else if (x_strcasecmp(new_fnames.f_n, DEFFONT)
+ && x_strcasecmp(new_fnames.f_n, old_fonts[fNorm].fn)) {
+ new_fnames.f_n = x_strdup(old_fonts[fNorm].fn);
+ TRACE(("...recovering from failed font-load\n"));
+ if (xtermLoadFont(xw, &new_fnames, doresize, fontnum)) {
+ recovered = True;
if (fontnum != fontMenu_fontsel) {
SetItemSensitivity(fontMenuEntries[fontnum].widget,
UsingRenderFont(xw));
@@ -1865,15 +1886,15 @@ xtermLoadFont(XtermWidget xw,
FontHeight(screen),
FontWidth(screen)));
}
- return code;
}
#endif
-
- releaseWindowGCs(xw, win);
-
- xtermCloseFonts(xw, fnts);
- TRACE(("Fail Cgs - xtermLoadFont\n"));
- return 0;
+ if (!recovered) {
+ releaseWindowGCs(xw, win);
+ xtermCloseFonts(xw, new_fonts);
+ TRACE(("Fail Cgs - xtermLoadFont\n"));
+ code = 0;
+ }
+ return code;
}
#if OPT_WIDE_ATTRS
@@ -1921,7 +1942,7 @@ xtermLoadItalics(XtermWidget xw)
} else {
xtermOpenFont(xw,
getNormalFont(screen, n)->fn,
- data, False);
+ data, NULL, False);
}
}
}
@@ -4357,9 +4378,7 @@ findXftGlyph(XtermWidget xw, XTermXftFonts *fontData, unsigned wc)
FcPatternDestroy(myPattern);
fontData->fs_size = (unsigned) fontData->fontset->nfont;
- }
-
- {
+ } {
XftFont *check;
Cardinal empty = fontData->fs_size;
@@ -4505,6 +4524,8 @@ xtermXftMissing(XtermWidget xw,
}
} while ((base = FcCharSetNextPage(font->charset, map,
&nextPage)) != FC_CHARSET_DONE);
+ (void) added;
+ (void) actual;
TRACE(("xtermXftMissing U+%04X #%-3d %6u added vs %6u of %6ld %s\n",
wc,
font_map->depth,
@@ -4677,7 +4698,7 @@ lookupOneFontSize(XtermWidget xw, int fontnum)
memset(&fnt, 0, sizeof(fnt));
screen->menu_font_sizes[fontnum] = -1;
- if (xtermOpenFont(xw, screen->MenuFontName(fontnum), &fnt, True)) {
+ if (xtermOpenFont(xw, screen->MenuFontName(fontnum), &fnt, NULL, True)) {
if (fontnum <= fontMenu_lastBuiltin
|| strcmp(fnt.fn, DEFFONT)) {
screen->menu_font_sizes[fontnum] = FontSize(fnt.fs);
@@ -5093,13 +5114,14 @@ HandleSetFont(Widget w,
}
}
-void
+Bool
SetVTFont(XtermWidget xw,
int which,
Bool doresize,
const VTFontNames * fonts)
{
TScreen *screen = TScreenOf(xw);
+ Bool result = False;
TRACE(("SetVTFont(which=%d, f_n=%s, f_b=%s)\n", which,
(fonts && fonts->f_n) ? fonts->f_n : "<null>",
@@ -5108,34 +5130,31 @@ SetVTFont(XtermWidget xw,
if (IsIcon(screen)) {
Bell(xw, XkbBI_MinorError, 0);
} else if (which >= 0 && which < NMENUFONTS) {
- VTFontNames myfonts;
+ VTFontNames new_fnames;
- memset(&myfonts, 0, sizeof(myfonts));
+ memset(&new_fnames, 0, sizeof(new_fnames));
if (fonts != 0)
- myfonts = *fonts;
+ new_fnames = *fonts;
if (which == fontMenu_fontsel) { /* go get the selection */
- FindFontSelection(xw, myfonts.f_n, False);
+ result = FindFontSelection(xw, new_fnames.f_n, False);
} else {
- int oldFont = screen->menu_font_number;
-
#define USE_CACHED(field, name) \
- if (myfonts.field == 0) { \
- myfonts.field = x_strdup(screen->menu_font_names[which][name]); \
- TRACE(("set myfonts." #field " from menu_font_names[%d][" #name "] %s\n", \
- which, NonNull(myfonts.field))); \
+ if (new_fnames.field == NULL) { \
+ new_fnames.field = x_strdup(screen->menu_font_names[which][name]); \
+ TRACE(("set new_fnames." #field " from menu_font_names[%d][" #name "] %s\n", \
+ which, NonNull(new_fnames.field))); \
} else { \
- TRACE(("set myfonts." #field " reused\n")); \
+ TRACE(("set new_fnames." #field " reused\n")); \
}
#define SAVE_FNAME(field, name) \
- if (myfonts.field != 0) { \
- if (screen->menu_font_names[which][name] == 0 \
- || strcmp(screen->menu_font_names[which][name], myfonts.field)) { \
- TRACE(("updating menu_font_names[%d][" #name "] to \"%s\"\n", \
- which, myfonts.field)); \
- FREE_STRING(screen->menu_font_names[which][name]); \
- screen->menu_font_names[which][name] = x_strdup(myfonts.field); \
- } \
+ if (new_fnames.field != NULL \
+ && (screen->menu_font_names[which][name] == NULL \
+ || strcmp(screen->menu_font_names[which][name], new_fnames.field))) { \
+ TRACE(("updating menu_font_names[%d][" #name "] to \"%s\"\n", \
+ which, new_fnames.field)); \
+ FREE_STRING(screen->menu_font_names[which][name]); \
+ screen->menu_font_names[which][name] = x_strdup(new_fnames.field); \
}
USE_CACHED(f_n, fNorm);
@@ -5145,7 +5164,7 @@ SetVTFont(XtermWidget xw,
USE_CACHED(f_wb, fWBold);
#endif
if (xtermLoadFont(xw,
- &myfonts,
+ &new_fnames,
doresize, which)) {
/*
* If successful, save the data so that a subsequent query via
@@ -5157,10 +5176,8 @@ SetVTFont(XtermWidget xw,
SAVE_FNAME(f_w, fWide);
SAVE_FNAME(f_wb, fWBold);
#endif
+ result = True;
} else {
- (void) xtermLoadFont(xw,
- xtermFontName(screen->MenuFontName(oldFont)),
- doresize, oldFont);
Bell(xw, XkbBI_MinorError, 0);
}
FREE_FNAME(f_n);
@@ -5173,7 +5190,8 @@ SetVTFont(XtermWidget xw,
} else {
Bell(xw, XkbBI_MinorError, 0);
}
- return;
+ TRACE(("...SetVTFont: %d\n", result));
+ return result;
}
#if OPT_RENDERFONT
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-01 11:43:06 +0000