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Fix WM after switching TTYs and back

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When all outputs are removed, an "orphan" list is created for any
remaining windows. I was accidentally just immediately re-assigning the
orphan windows back to the final output being removed, because I was
checking the seat's focused output to early. This correctly checks if
the seat is changing focus *before* checking the seat's current focus.

Fixes: #3
This commit is contained in:
Ben Buhse 2026-03-26 16:23:29 -05:00
commit 3af39def4a
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1 changed files with 30 additions and 13 deletions
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39
src/WindowManager.zig
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@ -162,28 +162,45 @@ fn manage(wm: *WindowManager) void {
const seat = wm.seats.first();
// We want the seat's focused output if one exists, but otherwise just
// whatever output is hanging around is fine.
const output = if (seat) |s|
s.focused_output orelse if (s.pending_manage.output) |pending_output|
switch (pending_output) {
const output = if (seat) |s| blk: {
if (s.pending_manage.output) |pending_output| {
// We need to check the pending manage first because the seat doesn't get managed
// until later in this function.
break :blk switch (pending_output) {
.output => |output| output,
.clear_focus => null,
};
} else {
// If there's not a pending change for output focus, we can use the currently
// focused output. This still works if it's null, because null is handled in the
// next block.
break :blk s.focused_output;
}
else
null
else
wm.outputs.first();
} else blk: {
// If there's no seat, we just try get the first output in the wm's output list. This
// is null if there are no outputs, which is handled correctly in the next block.
break :blk wm.outputs.first();
};
if (output) |o| {
var it = wm.orphan_windows.iterator(.forward);
while (it.next()) |window| {
window.pending_manage.pending_output = .{ .output = o };
}
if (seat) |s| {
if (seat) |s| blk: {
// If we don't have a focused window, iterate through the orphans and try see if any
// have matching tags. For now, that's always only 0x8000, but maybe I'll had output
// caching later so it can keep track of focused tags when the last output is destroyed.
// We set focus to the first window we find on the matching tagmask.
if (s.focused_window == null) {
if (wm.orphan_windows.first()) |first| {
s.pending_manage.window = .{ .window = first };
var window_it = wm.orphan_windows.iterator(.forward);
while (window_it.next()) |window| {
if (o.tags & window.tags != 0) {
s.pending_manage.window = .{ .window = window };
s.pending_manage.should_warp_pointer = true;
} else unreachable;
break :blk;
}
}
}
}
o.windows.appendList(&wm.orphan_windows);