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Fix some issues in bright colour handling. Bold background doesn't exist

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so there is no reason for tty_check_bg to mess with the BRIGHT flag at
all, ever. Also use aixterm colours for 256-to-16 translation if the
terminal supports them. And there is no reason for tty_colours_bg to
worry about whether the terminal supports them - tty_check_bg has
already taken care of it.
This commit is contained in:
nicm 2015-04-15 22:34:46 +00:00
parent eec27f9257
commit 4a7587931c
1 changed files with 16 additions and 16 deletions

32
tty.c
View File

@ -1453,6 +1453,8 @@ tty_check_fg(struct tty *tty, struct grid_cell *gc)
{ {
u_int colours; u_int colours;
colours = tty_term_number(tty->term, TTYC_COLORS);
/* Is this a 256-colour colour? */ /* Is this a 256-colour colour? */
if (gc->flags & GRID_FLAG_FG256) { if (gc->flags & GRID_FLAG_FG256) {
/* And not a 256 colour mode? */ /* And not a 256 colour mode? */
@ -1461,7 +1463,10 @@ tty_check_fg(struct tty *tty, struct grid_cell *gc)
gc->fg = colour_256to16(gc->fg); gc->fg = colour_256to16(gc->fg);
if (gc->fg & 8) { if (gc->fg & 8) {
gc->fg &= 7; gc->fg &= 7;
gc->attr |= GRID_ATTR_BRIGHT; if (colours >= 16)
gc->fg += 90;
else
gc->attr |= GRID_ATTR_BRIGHT;
} else } else
gc->attr &= ~GRID_ATTR_BRIGHT; gc->attr &= ~GRID_ATTR_BRIGHT;
gc->flags &= ~GRID_FLAG_FG256; gc->flags &= ~GRID_FLAG_FG256;
@ -1470,7 +1475,6 @@ tty_check_fg(struct tty *tty, struct grid_cell *gc)
} }
/* Is this an aixterm colour? */ /* Is this an aixterm colour? */
colours = tty_term_number(tty->term, TTYC_COLORS);
if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) { if (gc->fg >= 90 && gc->fg <= 97 && colours < 16) {
gc->fg -= 90; gc->fg -= 90;
gc->attr |= GRID_ATTR_BRIGHT; gc->attr |= GRID_ATTR_BRIGHT;
@ -1482,6 +1486,8 @@ tty_check_bg(struct tty *tty, struct grid_cell *gc)
{ {
u_int colours; u_int colours;
colours = tty_term_number(tty->term, TTYC_COLORS);
/* Is this a 256-colour colour? */ /* Is this a 256-colour colour? */
if (gc->flags & GRID_FLAG_BG256) { if (gc->flags & GRID_FLAG_BG256) {
/* /*
@ -1492,20 +1498,19 @@ tty_check_bg(struct tty *tty, struct grid_cell *gc)
if (!(tty->term->flags & TERM_256COLOURS) && if (!(tty->term->flags & TERM_256COLOURS) &&
!(tty->term_flags & TERM_256COLOURS)) { !(tty->term_flags & TERM_256COLOURS)) {
gc->bg = colour_256to16(gc->bg); gc->bg = colour_256to16(gc->bg);
if (gc->bg & 8) if (gc->bg & 8) {
gc->bg &= 7; gc->bg &= 7;
gc->attr &= ~GRID_ATTR_BRIGHT; if (colours >= 16)
gc->fg += 90;
}
gc->flags &= ~GRID_FLAG_BG256; gc->flags &= ~GRID_FLAG_BG256;
} }
return; return;
} }
/* Is this an aixterm colour? */ /* Is this an aixterm colour? */
colours = tty_term_number(tty->term, TTYC_COLORS); if (gc->bg >= 90 && gc->bg <= 97 && colours < 16)
if (gc->bg >= 90 && gc->bg <= 97 && colours < 16) {
gc->bg -= 90; gc->bg -= 90;
gc->attr |= GRID_ATTR_BRIGHT;
}
} }
void void
@ -1559,14 +1564,9 @@ tty_colours_bg(struct tty *tty, const struct grid_cell *gc)
/* Is this an aixterm bright colour? */ /* Is this an aixterm bright colour? */
if (bg >= 90 && bg <= 97) { if (bg >= 90 && bg <= 97) {
/* 16 colour terminals or above only. */ xsnprintf(s, sizeof s, "\033[%dm", bg + 10);
if (tty_term_number(tty->term, TTYC_COLORS) >= 16) { tty_puts(tty, s);
xsnprintf(s, sizeof s, "\033[%dm", bg + 10); goto save_bg;
tty_puts(tty, s);
goto save_bg;
}
bg -= 90;
/* no such thing as a bold background */
} }
/* Otherwise set the background colour. */ /* Otherwise set the background colour. */