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view: factor out view_compute_position_by_policy()

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John Lindgren 2026-02-21 15:06:02 -05:00 • committed by Hiroaki Yamamoto
parent 6a9e6dcae1
commit 5238dcaa08
2 changed files with 27 additions and 20 deletions
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8
include/view.h
View file

@ -514,6 +514,14 @@ int view_effective_height(struct view *view, bool use_pending);
*/
void view_center(struct view *view, const struct wlr_box *ref);
/*
* Like view_place_by_policy() but doesn't actually move the view.
* Returns false if position could not be computed (for example, if no
* outputs are connected). In that case, @geom is not modified.
*/
bool view_compute_position_by_policy(struct view *view, struct wlr_box *geom,
bool allow_cursor, enum lab_placement_policy policy);
/**
* view_place_by_policy - apply placement strategy to view
* @view: view to be placed

39
src/view.c
View file

@ -1067,6 +1067,22 @@ view_compute_cascaded_position(struct view *view, struct wlr_box *geom)
return true;
}
bool
view_compute_position_by_policy(struct view *view, struct wlr_box *geom,
bool allow_cursor, enum lab_placement_policy policy)
{
if (allow_cursor && policy == LAB_PLACE_CURSOR) {
return view_compute_near_cursor_position(view, geom);
} else if (policy == LAB_PLACE_AUTOMATIC) {
return placement_find_best(view, geom);
} else if (policy == LAB_PLACE_CASCADE) {
return view_compute_cascaded_position(view, geom);
} else {
return view_compute_centered_position(view, NULL,
geom->width, geom->height, &geom->x, &geom->y);
}
}
void
view_place_by_policy(struct view *view, bool allow_cursor,
enum lab_placement_policy policy)
@ -1078,27 +1094,10 @@ view_place_by_policy(struct view *view, bool allow_cursor,
view_move_resize(view, view->natural_geometry);
}
if (allow_cursor && policy == LAB_PLACE_CURSOR) {
struct wlr_box geometry = view->pending;
if (view_compute_near_cursor_position(view, &geometry)) {
view_move(view, geometry.x, geometry.y);
return;
}
} else if (policy == LAB_PLACE_AUTOMATIC) {
struct wlr_box geometry = view->pending;
if (placement_find_best(view, &geometry)) {
view_move(view, geometry.x, geometry.y);
return;
}
} else if (policy == LAB_PLACE_CASCADE) {
struct wlr_box geometry = view->pending;
if (view_compute_cascaded_position(view, &geometry)) {
view_move(view, geometry.x, geometry.y);
return;
}
struct wlr_box geom = view->pending;
if (view_compute_position_by_policy(view, &geom, allow_cursor, policy)) {
view_move(view, geom.x, geom.y);
}
view_center(view, NULL);
}
void