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desktop: refactor get_cursor_context()

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This patch should not change any behaviors.

This clarifies the semantics of cursor_context returned by
get_cursor_context() as I described in cursor.h; when cursor is on a
subsurface (e.g. xdg/x11/layer/session-lock), the returned ctx.surface
and ctx.node points to the subsurface rather than its parent.
This commit is contained in:
tokyo4j 2025-09-09 02:56:37 +09:00 • committed by Hiroaki Yamamoto
parent 3a3b873d0e
commit 9f7e532852
2 changed files with 15 additions and 27 deletions
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10
src/desktop.c
View file

@ -262,18 +262,18 @@ get_cursor_context(struct server *server)
dnd_icons_show(&server->seat, true);
}
ret.node = node;
if (!node) {
ret.type = LAB_NODE_ROOT;
return ret;
}
ret.node = node;
ret.surface = lab_wlr_surface_from_node(node);
#if HAVE_XWAYLAND
/* TODO: attach LAB_NODE_UNMANAGED node-descriptor to unmanaged surfaces */
if (node->type == WLR_SCENE_NODE_BUFFER) {
struct wlr_surface *surface = lab_wlr_surface_from_node(node);
if (node->parent == server->unmanaged_tree) {
ret.type = LAB_NODE_UNMANAGED;
ret.surface = surface;
return ret;
}
}
@ -285,7 +285,6 @@ get_cursor_context(struct server *server)
case LAB_NODE_VIEW:
case LAB_NODE_XDG_POPUP:
ret.view = desc->view;
ret.surface = lab_wlr_surface_from_node(ret.node);
if (ret.surface) {
ret.type = LAB_NODE_CLIENT;
} else {
@ -295,13 +294,11 @@ get_cursor_context(struct server *server)
return ret;
case LAB_NODE_LAYER_SURFACE:
ret.type = LAB_NODE_LAYER_SURFACE;
ret.surface = lab_wlr_surface_from_node(ret.node);
return ret;
case LAB_NODE_LAYER_POPUP:
case LAB_NODE_SESSION_LOCK_SURFACE:
case LAB_NODE_IME_POPUP:
ret.type = LAB_NODE_CLIENT;
ret.surface = lab_wlr_surface_from_node(ret.node);
return ret;
case LAB_NODE_MENUITEM:
/* Always return the top scene node for menu items */
@ -312,6 +309,7 @@ get_cursor_context(struct server *server)
case LAB_NODE_SSD_ROOT:
case LAB_NODE_TITLE:
case LAB_NODE_TITLEBAR:
/* Always return the top scene node for ssd parts */
ret.node = node;
ret.view = desc->view;
/*