Use 8 for underscore colour defaults instead of 0 which is less

confusing, and fix writing tge default colour. GitHub issue 3627.
This commit is contained in:
nicm 2023-07-13 06:03:48 +00:00
parent 8fcc212e7a
commit 84936b832f
3 changed files with 10 additions and 9 deletions

10
grid.c
View File

@ -37,7 +37,7 @@
/* Default grid cell data. */
const struct grid_cell grid_default_cell = {
{ { ' ' }, 0, 1, 1 }, 0, 0, 8, 8, 0, 0
{ { ' ' }, 0, 1, 1 }, 0, 0, 8, 8, 8, 0
};
/*
@ -45,12 +45,12 @@ const struct grid_cell grid_default_cell = {
* appears in the grid - because of this, they are always extended cells.
*/
static const struct grid_cell grid_padding_cell = {
{ { '!' }, 0, 0, 0 }, 0, GRID_FLAG_PADDING, 8, 8, 0, 0
{ { '!' }, 0, 0, 0 }, 0, GRID_FLAG_PADDING, 8, 8, 8, 0
};
/* Cleared grid cell data. */
static const struct grid_cell grid_cleared_cell = {
{ { ' ' }, 0, 1, 1 }, 0, GRID_FLAG_CLEARED, 8, 8, 0, 0
{ { ' ' }, 0, 1, 1 }, 0, GRID_FLAG_CLEARED, 8, 8, 8, 0
};
static const struct grid_cell_entry grid_cleared_entry = {
{ .data = { 0, 8, 8, ' ' } }, GRID_FLAG_CLEARED
@ -528,7 +528,7 @@ grid_get_cell1(struct grid_line *gl, u_int px, struct grid_cell *gc)
gc->bg = gce->data.bg;
if (gce->flags & GRID_FLAG_BG256)
gc->bg |= COLOUR_FLAG_256;
gc->us = 0;
gc->us = 8;
utf8_set(&gc->data, gce->data.data);
gc->link = 0;
}
@ -956,7 +956,7 @@ grid_string_cells_code(const struct grid_cell *lastgc,
for (i = 0; i < nitems(attrs); i++) {
if (((~attr & attrs[i].mask) &&
(lastattr & attrs[i].mask)) ||
(lastgc->us != 0 && gc->us == 0)) {
(lastgc->us != 8 && gc->us == 8)) {
s[n++] = 0;
lastattr &= GRID_ATTR_CHARSET;
break;

View File

@ -2186,7 +2186,7 @@ input_csi_dispatch_sgr(struct input_ctx *ictx)
gc->attr &= ~GRID_ATTR_OVERLINE;
break;
case 59:
gc->us = 0;
gc->us = 8;
break;
case 90:
case 91:

7
tty.c
View File

@ -2815,9 +2815,10 @@ tty_check_us(__unused struct tty *tty, struct colour_palette *palette,
}
/* Underscore colour is set as RGB so convert. */
gc->us = colour_force_rgb (gc->us);
if (gc->us == -1)
if ((c = colour_force_rgb (gc->us)) == -1)
gc->us = 8;
else
gc->us = c;
}
static void
@ -2892,7 +2893,7 @@ tty_colours_us(struct tty *tty, const struct grid_cell *gc)
u_char r, g, b;
/* Clear underline colour. */
if (gc->us == 0) {
if (COLOUR_DEFAULT(gc->us)) {
tty_putcode(tty, TTYC_OL);
goto save;
}