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xwayland: use wlr_xwayland_surface_offer_focus()

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Offer focus by sending WM_TAKE_FOCUS to a client window supporting it.
The client may accept or ignore the offer. If it accepts, the surface will
emit a focus_in signal notifying the compositor that it has received focus.
The compositor should then call wlr_xwayland_surface_activate(surface, true).

This is a more compatible method of giving focus to windows using the
Globally Active input model (see wlr_xwayland_icccm_input_model()) than
calling wlr_xwayland_surface_activate() unconditionally, since there is no
reliable way to know in advance whether these windows want to be focused.

v2: add caution not to use view_offer_focus() directly
v3: remove obsolete comment
This commit is contained in:
John Lindgren 2024-07-20 11:25:10 -04:00 • committed by Consolatis
parent 95552c261d
commit c00baa1651
5 changed files with 51 additions and 15 deletions
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include/xwayland.h
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@ -69,6 +69,7 @@ struct xwayland_view {
struct wl_listener set_override_redirect;
struct wl_listener set_strut_partial;
struct wl_listener set_window_type;
struct wl_listener focus_in;
struct wl_listener map_request;
/* Not (yet) implemented */