https://bugs.kde.org/show_bug.cgi?id=504367

Vlad Zahorodnii <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Latest Commit|https://invent.kde.org/plas |https://invent.kde.org/plas
                   |ma/kwin/-/commit/9b0fd06e14 |ma/kwin/-/commit/613a1afbff
                   |e30c8fa39271fe6b1c0faaee381 |4b44a0b8c8ad41bdc8bbd484ff4
                   |588                         |872

--- Comment #4 from Vlad Zahorodnii <[email protected]> ---
Git commit 613a1afbff4b44a0b8c8ad41bdc8bbd484ff4872 by Vlad Zahorodnii.
Committed on 19/05/2025 at 08:47.
Pushed by vladz into branch 'Plasma/6.4'.

tiles: Fix CustomTile::remove() collapsing tile tree too much

When a tile is removed and its sibling is empty, the parent tile will
be converted in a leaf tile.

The problem is that CustomTile::remove() can attempt to convert the
root tile in a leaf tile, but we expect the root tile to contain at
least one child at all times.

This change adds a relevant guard. Note that CustomTile::remove() can
be still used to purge all children of the RootTile. This is mainly
used by the tiles editor. Window::quickTileGeometry() was also adjusted
so it doesn't report a misleading geometry if the window can't be
custom tiled.


(cherry picked from commit 9b0fd06e14e30c8fa39271fe6b1c0faaee381588)

Co-authored-by: Vlad Zahorodnii <[email protected]>

M  +1    -1    src/tiles/customtile.cpp
M  +5    -0    src/tiles/tile.cpp
M  +1    -0    src/tiles/tile.h
M  +2    -0    src/window.cpp

https://invent.kde.org/plasma/kwin/-/commit/613a1afbff4b44a0b8c8ad41bdc8bbd484ff4872

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