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xdg-shell: add wlr_xdg_{toplevel,popup}_try_from_wlr_surface()

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Convenience helpers for compositors. Saves them the trouble of
manually checking the role (and if they forget to do so, prevents
an invalid cast).
This commit is contained in:
Simon Ser 2023-11-13 10:31:00 +01:00
parent 5de9e1a99d
commit 319e4125ab
3 changed files with 34 additions and 0 deletions
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18
include/wlr/types/wlr_xdg_shell.h
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@ -485,6 +485,24 @@ struct wlr_surface *wlr_xdg_surface_popup_surface_at(
*/
struct wlr_xdg_surface *wlr_xdg_surface_try_from_wlr_surface(struct wlr_surface *surface);
/**
* Get a struct wlr_xdg_toplevel from a struct wlr_surface.
*
* Returns NULL if the surface doesn't have the xdg_surface role, the
* xdg_surface is not a toplevel, or the xdg_surface/xdg_toplevel objects have
* been destroyed.
*/
struct wlr_xdg_toplevel *wlr_xdg_toplevel_try_from_wlr_surface(struct wlr_surface *surface);
/**
* Get a struct wlr_xdg_popup from a struct wlr_surface.
*
* Returns NULL if the surface doesn't have the xdg_surface role, the
* xdg_surface is not a popup, or the xdg_surface/xdg_popup objects have
* been destroyed.
*/
struct wlr_xdg_popup *wlr_xdg_popup_try_from_wlr_surface(struct wlr_surface *surface);
/**
* Get the surface geometry.
*