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don't keep outputs unplugged while off in offmons

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When an output was unplugged while turned off (e.g. by swayidle), only the
remaining ones were turned on again, and the unplugged one stayed in
offmons, so it stayed off when plugged in again. Forget the outputs that
are no longer connected whenever one is turned on.
This commit is contained in:
dvh
2026-11-11 10:54:13 +01:00
parent 8df3f1f96f
commit 568d047595
1 changed files with 23 additions and 0 deletions
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dwl.c
+23
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@@ -320,6 +320,7 @@ static void focusclient(Client *c, LayerSurface *l, int lift);
static void focusmon(const Arg *arg);
static void focusstack(const Arg *arg);
static Client *focustop(Monitor *m);
static void forgetoffmons(void);
static void fullscreennotify(struct wl_listener *listener, void *data);
static void gpureset(struct wl_listener *listener, void *data);
static void handlesig(int signo);
@@ -1760,6 +1761,26 @@ focustop(Monitor *m)
return NULL;
}
void
forgetoffmons(void)
{
/* Forget the outputs that were unplugged while off, or they would stay
* off when plugged in again */
char **name, **kept = offmons.data;
Monitor *m;
wl_array_for_each(name, &offmons) {
wl_list_for_each(m, &mons, link)
if (!strcmp(*name, m->wlr_output->name))
break;
if (&m->link != &mons)
*kept++ = *name;
else
free(*name);
}
offmons.size = (char *)kept - (char *)offmons.data;
}
void
fullscreennotify(struct wl_listener *listener, void *data)
{
@@ -2451,6 +2472,8 @@ powermgrsetmode(struct wl_listener *listener, void *data)
if (!m)
return;
if (event->mode)
forgetoffmons();
m->gamma_lut_changed = 1; /* Reapply gamma LUT when re-enabling the output */
wlr_output_state_set_enabled(&state, event->mode);
/* The output was reconnected while off and was never modeset */