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client: document get_listener behavior for dispatchers

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This seems to have been the case since 2013.

This is useful for wrappers that need two pointers to identify proxies.
One pointer (stored in the user data) pointing to a singleton object to
identify that the proxy has a known structure. And one pointer (stored
in the dispatcher data) pointing to per-proxy data.

Signed-off-by: Julian Orth <ju.orth@gmail.com>
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Julian Orth 2025-03-12 21:13:40 +01:00 • committed by Simon Ser
parent dbfa8d784e
commit 7033e74857
1 changed files with 3 additions and 0 deletions
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src/wayland-client.c
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@ -674,6 +674,9 @@ wl_proxy_add_listener(struct wl_proxy *proxy,
* This function is useful in clients with multiple listeners on the same
* interface to allow the identification of which code to execute.
*
* If \ref wl_proxy_add_dispatcher was used, this function returns the
* dispatcher_data pointer instead.
*
* \memberof wl_proxy
*/
WL_EXPORT const void *