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xwayland: always offer focus in Globally Active case

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In 9e3785f8cd, a heuristic was added to assume that NORMAL and DIALOG
window types were always focusable. (This was before we had the "offer
focus" mechanism in place.)

However, we should still call wlr_xwayland_surface_offer_focus() for
these views, in case they actually don't want focus. (This is uncommon
but has recently been seen with WeChat popups, which have both NORMAL
and UTILITY type.)

To make this possible, refine view_wants_focus() to return either
LIKELY or UNLIKELY for Globally Active input windows. This decouples
the question of "should we try to focus this view" from the actual
mechanism used to do so.
This commit is contained in:
John Lindgren 2025-06-09 11:11:32 -04:00
parent 97ce4131bb
commit 8fb2ecefcb
4 changed files with 22 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

17
include/view.h
View file

@ -75,13 +75,18 @@ enum view_wants_focus {
/* View wants focus */
VIEW_WANTS_FOCUS_ALWAYS,
/*
* View should be offered focus and may accept or decline
* (a.k.a. ICCCM Globally Active input model). Labwc generally
* avoids focusing these views automatically (e.g. when another
* view on top is closed) but they may be focused by user action
* (e.g. mouse click).
* The following values apply only to XWayland views using the
* Globally Active input model per the ICCCM. These views are
* offered focus and will voluntarily accept or decline it.
*
* In some cases, labwc needs to decide in advance whether to
* focus the view. For this purpose, these views are classified
* (by a heuristic) as likely or unlikely to want focus. However,
* it is still ultimately up to the client whether the view gets
* focus or not.
*/
VIEW_WANTS_FOCUS_OFFER,
VIEW_WANTS_FOCUS_LIKELY,
VIEW_WANTS_FOCUS_UNLIKELY,
};
/*

3
src/desktop.c
View file

@ -84,7 +84,8 @@ desktop_focus_view(struct view *view, bool raise)
seat_focus_surface(seat, view->surface);
}
break;
case VIEW_WANTS_FOCUS_OFFER:
case VIEW_WANTS_FOCUS_LIKELY:
case VIEW_WANTS_FOCUS_UNLIKELY:
view_offer_focus(view);
break;
case VIEW_WANTS_FOCUS_NEVER:

8
src/view.c
View file

@ -392,10 +392,14 @@ view_is_focusable(struct view *view)
if (!view->surface) {
return false;
}
if (view_wants_focus(view) != VIEW_WANTS_FOCUS_ALWAYS) {
switch (view_wants_focus(view)) {
case VIEW_WANTS_FOCUS_ALWAYS:
case VIEW_WANTS_FOCUS_LIKELY:
return (view->mapped || view->minimized);
default:
return false;
}
return (view->mapped || view->minimized);
}
void

6
src/xwayland.c
View file

@ -116,8 +116,8 @@ xwayland_view_wants_focus(struct view *view)
*/
case WLR_ICCCM_INPUT_MODEL_GLOBAL:
/*
* Assume that NORMAL and DIALOG windows always want
* focus. These window types should show up in the
* Assume that NORMAL and DIALOG windows are likely to
* want focus. These window types should show up in the
* Alt-Tab switcher and be automatically focused when
* they become topmost.
*/
@ -125,7 +125,7 @@ xwayland_view_wants_focus(struct view *view)
WLR_XWAYLAND_NET_WM_WINDOW_TYPE_NORMAL)
|| wlr_xwayland_surface_has_window_type(xsurface,
WLR_XWAYLAND_NET_WM_WINDOW_TYPE_DIALOG)) ?
VIEW_WANTS_FOCUS_ALWAYS : VIEW_WANTS_FOCUS_OFFER;
VIEW_WANTS_FOCUS_LIKELY : VIEW_WANTS_FOCUS_UNLIKELY;
/*
* No Input - The client never expects keyboard input.