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ui/curses: manipulate cchar_t with standard curses functions

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The chars/attr fields are curses internals, setcchar and getcchar have
to be used instead.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Tested-by: Kamil Rytarowski <n54@gmx.com>
Message-Id: <20190427183307.12796-3-samuel.thibault@ens-lyon.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Samuel Thibault 2019-04-27 20:33:07 +02:00 committed by Gerd Hoffmann
parent b7b664a4fe
commit 962cf8fd4f
1 changed files with 29 additions and 14 deletions
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43
ui/curses.c
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@ -66,20 +66,22 @@ static void curses_update(DisplayChangeListener *dcl,
{ {
console_ch_t *line; console_ch_t *line;
cchar_t curses_line[width]; cchar_t curses_line[width];
wchar_t wch[CCHARW_MAX];
attr_t attrs;
short colors;
int ret;
line = screen + y * width; line = screen + y * width;
for (h += y; y < h; y ++, line += width) { for (h += y; y < h; y ++, line += width) {
for (x = 0; x < width; x++) { for (x = 0; x < width; x++) {
chtype ch = line[x] & 0xff; chtype ch = line[x] & 0xff;
chtype at = line[x] & ~0xff; chtype at = line[x] & ~0xff;
if (vga_to_curses[ch].chars[0]) { ret = getcchar(&vga_to_curses[ch], wch, &attrs, &colors, NULL);
curses_line[x] = vga_to_curses[ch]; if (ret == ERR || wch[0] == 0) {
} else { wch[0] = ch;
curses_line[x] = (cchar_t) { wch[1] = 0;
.chars[0] = ch,
};
} }
curses_line[x].attr |= at; setcchar(&curses_line[x], wch, at, 0, NULL);
} }
mvwadd_wchnstr(screenpad, y, 0, curses_line, width); mvwadd_wchnstr(screenpad, y, 0, curses_line, width);
} }
@ -412,7 +414,7 @@ static void curses_atexit(void)
static void convert_ucs(unsigned char fch, uint16_t uch, iconv_t conv) static void convert_ucs(unsigned char fch, uint16_t uch, iconv_t conv)
{ {
char mbch[MB_LEN_MAX]; char mbch[MB_LEN_MAX];
wchar_t wch; wchar_t wch[2];
char *puch, *pmbch; char *puch, *pmbch;
size_t such, smbch; size_t such, smbch;
mbstate_t ps; mbstate_t ps;
@ -430,20 +432,22 @@ static void convert_ucs(unsigned char fch, uint16_t uch, iconv_t conv)
} }
memset(&ps, 0, sizeof(ps)); memset(&ps, 0, sizeof(ps));
if (mbrtowc(&wch, mbch, sizeof(mbch) - smbch, &ps) == -1) { if (mbrtowc(&wch[0], mbch, sizeof(mbch) - smbch, &ps) == -1) {
fprintf(stderr, "Could not convert 0x%04x " fprintf(stderr, "Could not convert 0x%04x "
"from a multibyte character to wchar_t: %s\n", "from a multibyte character to wchar_t: %s\n",
uch, strerror(errno)); uch, strerror(errno));
return; return;
} }
vga_to_curses[fch].chars[0] = wch;
wch[1] = 0;
setcchar(&vga_to_curses[fch], wch, 0, 0, NULL);
} }
/* Setup wchar glyph for one font character */ /* Setup wchar glyph for one font character */
static void convert_font(unsigned char fch, iconv_t conv) static void convert_font(unsigned char fch, iconv_t conv)
{ {
char mbch[MB_LEN_MAX]; char mbch[MB_LEN_MAX];
wchar_t wch; wchar_t wch[2];
char *pfch, *pmbch; char *pfch, *pmbch;
size_t sfch, smbch; size_t sfch, smbch;
mbstate_t ps; mbstate_t ps;
@ -461,13 +465,15 @@ static void convert_font(unsigned char fch, iconv_t conv)
} }
memset(&ps, 0, sizeof(ps)); memset(&ps, 0, sizeof(ps));
if (mbrtowc(&wch, mbch, sizeof(mbch) - smbch, &ps) == -1) { if (mbrtowc(&wch[0], mbch, sizeof(mbch) - smbch, &ps) == -1) {
fprintf(stderr, "Could not convert font glyph 0x%02x " fprintf(stderr, "Could not convert font glyph 0x%02x "
"from a multibyte character to wchar_t: %s\n", "from a multibyte character to wchar_t: %s\n",
fch, strerror(errno)); fch, strerror(errno));
return; return;
} }
vga_to_curses[fch].chars[0] = wch;
wch[1] = 0;
setcchar(&vga_to_curses[fch], wch, 0, 0, NULL);
} }
/* Convert one wchar to UCS-2 */ /* Convert one wchar to UCS-2 */
@ -592,7 +598,16 @@ static void font_setup(void)
if (strcmp(nl_langinfo(CODESET), "UTF-8")) { if (strcmp(nl_langinfo(CODESET), "UTF-8")) {
/* Non-Unicode capable, use termcap equivalents for those available */ /* Non-Unicode capable, use termcap equivalents for those available */
for (i = 0; i <= 0xFF; i++) { for (i = 0; i <= 0xFF; i++) {
switch (get_ucs(vga_to_curses[i].chars[0], nativecharset_to_ucs2)) { wchar_t wch[CCHARW_MAX];
attr_t attr;
short color;
int ret;
ret = getcchar(&vga_to_curses[i], wch, &attr, &color, NULL);
if (ret == ERR)
continue;
switch (get_ucs(wch[0], nativecharset_to_ucs2)) {
case 0x00a3: case 0x00a3:
vga_to_curses[i] = *WACS_STERLING; vga_to_curses[i] = *WACS_STERLING;
break; break;