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osc: restore configured alpha if OSC-11 has no alpha value

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When parsing an OSC-11 without an alpha value (i.e. standard OSC-11,
not rxvt's extended variant), restore the alpha value from the
configuration, rather than keeping whatever the current alpha is.
This commit is contained in:
Daniel Eklöf 2025-05-02 08:53:43 +02:00
parent 5080e271c2
commit 7354b94f73
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GPG key ID: 5BBD4992C116573F
2 changed files with 16 additions and 8 deletions
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3
CHANGELOG.md
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@ -95,6 +95,9 @@
### Changed
* `cursor.color` moved to `colors.cursor`.
* OSC-11 without an alpha value will now restore the configured
(i.e. from `foot.ini`) alpha, rather than keeping whatever the
current alpha value is, unchanged.
### Deprecated

21
osc.c
View file

@ -1455,15 +1455,20 @@ osc_dispatch(struct terminal *term)
case 11:
term->colors.bg = color;
if (have_alpha) {
const bool changed = term->colors.alpha != alpha;
term->colors.alpha = alpha;
if (changed) {
wayl_win_alpha_changed(term->window);
term_font_subpixel_changed(term);
}
if (!have_alpha) {
alpha = term->colors.active_theme == COLOR_THEME1
? term->conf->colors.alpha
: term->conf->colors2.alpha;
}
const bool changed = term->colors.alpha != alpha;
term->colors.alpha = alpha;
if (changed) {
wayl_win_alpha_changed(term->window);
term_font_subpixel_changed(term);
}
term_damage_color(term, COLOR_DEFAULT, 0);
term_damage_margins(term);
break;