This pull request prevents shadows being rendered for left and right side titled windows. This behaviour is consistent with maximised windows, which also do not render shadows.

The rationale for this change is so that when two windows are titled along side each other, it prevents central shadows bleeding into the touching points of the windows.

metacity-theme-x.xml has provision to style left/right titled windows. This patch makes it possible to to create window themes that present clean side-by-side tiled windows.

widget is close to the edge of the work area.

See inline comments - as of 3.24 tooltip positioning is handled
differently, and under certain conditions in hidpi, tooltips for the
bottom panel applets can end up off the bottom of the work area.

To reproduce, in hidpi, set the bottom panel to approximately 30px
tall and try to activate a tooltip for an applet on that panel.

find . \( -name '*.h' -o -name '*.c' \) -exec sed -i 'N;/^\n$/D;P;D;' {} \;

Partially restore call to destroy_win in compositor when calling
meta_window_free. This is needed to ensure that we never call
meta_window_get_frame_bounds while windows is destroying.

https://bugzilla.gnome.org/show_bug.cgi?id=751833

Based on commit https://gitlab.gnome.org/GNOME/metacity/-/commit/a9f28dbc26f5211ef08889109db3dc8c7ba76aca

Also reformat recent code change to fix styling issues.

This reverts commit df56628979abc17474b001c58c28c6f3637ada9d.

It causes an issue where windows remain in the background even when
being drawn in the foreground.

Partially restore call to destroy_win in compositor when calling
meta_window_free. This is needed to ensure that we never call
meta_window_get_frame_bounds while windows is destroying.

https://bugzilla.gnome.org/show_bug.cgi?id=751833

upstream commit:
https://gitlab.gnome.org/GNOME/metacity/commit/a9f28dbc