overlay: add snap-to-edge overlay (PR #1652)

...and unify region overlay and snap-to-edge overlay into overlay.c.

Snap-to-edge overlay is delayed for 500ms to prevent flickering when
the view is dragged from an output to another (demo in discussion labwc#1613).

This also fixes a bug that region overlay is not shown when a modifier
key is re-pressed.
This commit is contained in:
Hiroaki Yamamoto 2024-04-05 11:35:31 +09:00 committed by GitHub
parent 67669dcf1e
commit 5cc0757390
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16 changed files with 361 additions and 152 deletions

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@ -14,6 +14,7 @@ labwc_sources = files(
'osd.c',
'output.c',
'output-virtual.c',
'overlay.c',
'placement.c',
'regions.c',
'resistance.c',