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view: stay fullscreen when view's output is disconnected

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I intended to fix this quite some time ago but didn't get around to it.

I don't think there's any good reason why we need to un-fullscreen a
view when its output is disconnected. We can handle it the same as a
maximized view, and move it to a new output (remaining fullscreen) or,
if all outputs are disconnected, just leave it as-is.

This is helpful for a media-center use-case, where you have just one
view (e.g. Kodi) fullscreen all the time, but the TV might appear to be
disconnected if you switch it to a different source.

Tested with a couple different scenarios:

1. Single output disconnected and re-connected: view stayed fullscreen.
2. Secondary output disconnected: view stayed fullscreen but moved to
   the primary output, and the layer-shell panel on that output was
   hidden as expected. When the secondary output was re-connected, the
   view was moved back (still fullscreen) and the panel on the primary
   appeared again.

Fixes: #864
This commit is contained in:
John Lindgren 2024-08-01 22:15:27 -04:00 • committed by Consolatis
parent f14f006cba
commit 0f6d5cc26a
1 changed files with 13 additions and 22 deletions
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35
src/view.c
View file

@ -349,7 +349,6 @@ static bool
view_discover_output(struct view *view, struct wlr_box *geometry)
{
assert(view);
assert(!view->fullscreen);
if (!geometry) {
geometry = &view->current;
@ -362,6 +361,10 @@ view_discover_output(struct view *view, struct wlr_box *geometry)
if (output && output != view->output) {
view->output = output;
/* Show fullscreen views above top-layer */
if (view->fullscreen) {
desktop_update_top_layer_visiblity(view->server);
}
return true;
}
@ -409,12 +412,15 @@ void
view_set_output(struct view *view, struct output *output)
{
assert(view);
assert(!view->fullscreen);
if (!output_is_usable(output)) {
wlr_log(WLR_ERROR, "invalid output set for view");
return;
}
view->output = output;
/* Show fullscreen views above top-layer */
if (view->fullscreen) {
desktop_update_top_layer_visiblity(view->server);
}
}
void
@ -1701,23 +1707,14 @@ view_adjust_for_layout_change(struct view *view)
{
assert(view);
bool was_fullscreen = view->fullscreen;
bool is_floating = view_is_floating(view);
bool use_natural = false;
if (!output_is_usable(view->output)) {
/* A view losing an output should have a last-layout geometry */
update_last_layout_geometry(view);
/* Exit fullscreen and re-assess floating status */
if (was_fullscreen) {
set_fullscreen(view, false);
is_floating = view_is_floating(view);
}
}
/* Restore any full-screen window to natural geometry */
bool use_natural = was_fullscreen;
/* Capture a pointer to the last-layout geometry (only if valid) */
struct wlr_box *last_geometry = NULL;
if (last_layout_geometry_is_valid(view)) {
@ -1757,8 +1754,8 @@ view_adjust_for_layout_change(struct view *view)
view_apply_special_geometry(view);
} else if (use_natural) {
/*
* Move the window to its natural location, either because it
* was fullscreen or we are trying to restore a prior layout.
* Move the window to its natural location, because
* we are trying to restore a prior layout.
*/
view_apply_natural_geometry(view);
} else {
@ -1788,11 +1785,6 @@ void
view_on_output_destroy(struct view *view)
{
assert(view);
/*
* This is the only time we modify view->output for a fullscreen
* view. We expect view_adjust_for_layout_change() to be called
* shortly afterward, which will exit fullscreen.
*/
view->output = NULL;
}
@ -2194,9 +2186,6 @@ void
view_move_to_output(struct view *view, struct output *output)
{
assert(view);
if (view->fullscreen) {
return;
}
view_invalidate_last_layout_geometry(view);
view_set_output(view, output);
@ -2206,6 +2195,8 @@ view_move_to_output(struct view *view, struct output *output)
view->pending.y = output_area.y;
view_place_by_policy(view,
/* allow_cursor */ false, rc.placement_policy);
} else if (view->fullscreen) {
view_apply_fullscreen_geometry(view);
} else if (view->maximized != VIEW_AXIS_NONE) {
view_apply_maximized_geometry(view);
} else if (view->tiled) {