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window-actor: Add several (nullable) annotations

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Many getters might return a NULL value, let's reflect this in the annotations.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2715>
This commit is contained in:
Corentin Noël 2022-11-24 15:16:13 +01:00
parent 8206208a22
commit 66dcef7ac1
1 changed files with 4 additions and 3 deletions
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7
src/compositor/meta-window-actor.c
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@ -512,7 +512,7 @@ meta_window_actor_get_property (GObject *object,
*
* Gets the #MetaWindow object that the the #MetaWindowActor is displaying
*
* Return value: (transfer none): the displayed #MetaWindow
* Return value: (transfer none) (nullable): the displayed #MetaWindow
*/
MetaWindow *
meta_window_actor_get_meta_window (MetaWindowActor *self)
@ -530,7 +530,7 @@ meta_window_actor_get_meta_window (MetaWindowActor *self)
* Gets the ClutterActor that is used to display the contents of the window,
* or NULL if no texture is shown yet, because the window is not mapped.
*
* Return value: (transfer none): the #ClutterActor for the contents
* Return value: (transfer none) (nullable): the #ClutterActor for the contents
*/
MetaShapedTexture *
meta_window_actor_get_texture (MetaWindowActor *self)
@ -551,7 +551,8 @@ meta_window_actor_get_texture (MetaWindowActor *self)
* Gets the MetaSurfaceActor that draws the content of this window,
* or NULL if there is no surface yet associated with this window.
*
* Return value: (transfer none): the #MetaSurfaceActor for the contents
* Return value: (transfer none) (nullable): the #MetaSurfaceActor for the
* contents
*/
MetaSurfaceActor *
meta_window_actor_get_surface (MetaWindowActor *self)