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main: do a theme toggle upon receiving SIGUSR1

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Caveat: in server mode, *all* instances toggle their themes.
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Daniel Eklöf 2025-06-09 07:38:26 +02:00
parent 33eefa7b45
commit d9675a7140
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2 changed files with 19 additions and 0 deletions
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2
CHANGELOG.md
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@ -73,6 +73,8 @@
`key-bindings.color-theme-toggle` key bindings. These can be used to `key-bindings.color-theme-toggle` key bindings. These can be used to
switch between the primary and alternative color themes. They are switch between the primary and alternative color themes. They are
not bound by default. not bound by default.
* Sending `SIGUSR1` to the foot process now triggers a theme switch
(in server mode, **all** instances toggles their themes).
* Support for private mode 2031 - [_Dark and Light Mode * Support for private mode 2031 - [_Dark and Light Mode
Detection_](https://contour-terminal.org/vt-extensions/color-palette-update-notifications/) Detection_](https://contour-terminal.org/vt-extensions/color-palette-update-notifications/)
([#2025][2025]) ([#2025][2025])

17
main.c
View file

@ -45,6 +45,19 @@ fdm_sigint(struct fdm *fdm, int signo, void *data)
return true; return true;
} }
static bool
fdm_sigusr1(struct fdm *fdm, int signo, void *data)
{
struct wayland *wayl = data;
tll_foreach(wayl->terms, it) {
struct terminal *term = it->item;
term_theme_toggle(term);
}
return true;
}
static void static void
print_usage(const char *prog_name) print_usage(const char *prog_name)
{ {
@ -608,6 +621,9 @@ main(int argc, char *const *argv)
goto out; goto out;
} }
if (!fdm_signal_add(fdm, SIGUSR1, &fdm_sigusr1, wayl))
goto out;
struct sigaction sig_ign = {.sa_handler = SIG_IGN}; struct sigaction sig_ign = {.sa_handler = SIG_IGN};
sigemptyset(&sig_ign.sa_mask); sigemptyset(&sig_ign.sa_mask);
if (sigaction(SIGHUP, &sig_ign, NULL) < 0 || if (sigaction(SIGHUP, &sig_ign, NULL) < 0 ||
@ -643,6 +659,7 @@ out:
wayl_destroy(wayl); wayl_destroy(wayl);
key_binding_manager_destroy(key_binding_manager); key_binding_manager_destroy(key_binding_manager);
reaper_destroy(reaper); reaper_destroy(reaper);
fdm_signal_del(fdm, SIGUSR1);
fdm_signal_del(fdm, SIGTERM); fdm_signal_del(fdm, SIGTERM);
fdm_signal_del(fdm, SIGINT); fdm_signal_del(fdm, SIGINT);
fdm_destroy(fdm); fdm_destroy(fdm);