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docs: Tweak docs for gdk_surface_set_input_region

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Matthias Clasen
2020-05-17 21:46:54 -04:00
parent f958a6ecf7
commit 03829e191e
1 changed files with 4 additions and 7 deletions
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11
gdk/gdksurface.c
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@@ -2042,17 +2042,14 @@ gdk_surface_get_root_coords (GdkSurface *surface,
* corresponds to an unset bit in the mask will be passed on the
* surface below @surface.
*
* An input shape is typically used with RGBA surfaces.
* An input region is typically used with RGBA surfaces.
* The alpha channel of the surface defines which pixels are
* invisible and allows for nicely antialiased borders,
* and the input shape controls where the surface is
* and the input region controls where the surface is
* “clickable”.
*
* On the X11 platform, this requires version 1.1 of the
* shape extension.
*
* On the Win32 platform, this functionality is not present and the
* function does nothing.
* Use gdk_display_support_input_shapes() to find out if
* a particular backend supports input regions.
*/
void
gdk_surface_set_input_region (GdkSurface *surface,