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Overlay: Document overlay children aren't measured

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Some users expect that the Overlay will automatically request enough
size for its overlay children as well as its main child. It doesn't,
because it's just a GtkBin. Add a short paragraph pointing that out.

Close https://gitlab.gnome.org/GNOME/gtk/issues/1939
This commit is contained in:
Daniel Boles 2019-06-13 18:22:33 +01:00
parent 299bd5fa93
commit a7a0a34da1
1 changed files with 3 additions and 0 deletions
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gtk/gtkoverlay.c
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@ -50,6 +50,9 @@
* More complicated placement of overlays is possible by connecting
* to the #GtkOverlay::get-child-position signal.
*
* An overlay’s minimum and natural sizes are those of its main child. The sizes
* of overlay children are not considered when measuring these preferred sizes.
*
* # GtkOverlay as GtkBuildable
*
* The GtkOverlay implementation of the GtkBuildable interface