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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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9
src/view.c
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@ -388,6 +388,15 @@ view_is_focusable(struct view *view)
return (view->mapped || view->minimized);
}
void
view_offer_focus(struct view *view)
{
assert(view);
if (view->impl->offer_focus) {
view->impl->offer_focus(view);
}
}
/**
* All view_apply_xxx_geometry() functions must *not* modify
* any state besides repositioning or resizing the view.