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view: factor out view_compute_cascaded_position()

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John Lindgren 2026-02-21 14:56:40 -05:00 • committed by Hiroaki Yamamoto
parent 04cd38f251
commit 6a9e6dcae1
1 changed files with 16 additions and 8 deletions
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24
src/view.c
View file

@ -978,13 +978,16 @@ view_center(struct view *view, const struct wlr_box *ref)
* Algorithm based on KWin's implementation:
* https://github.com/KDE/kwin/blob/df9f8f8346b5b7645578e37365dabb1a7b02ca5a/src/placement.cpp#L589
*/
static void
view_cascade(struct view *view)
static bool
view_compute_cascaded_position(struct view *view, struct wlr_box *geom)
{
/* "cascade" policy places a new view at center by default */
struct wlr_box center = view->pending;
view_compute_centered_position(view, NULL,
center.width, center.height, &center.x, &center.y);
struct wlr_box center = *geom;
if (!view_compute_centered_position(view, NULL, center.width,
center.height, &center.x, &center.y)) {
return false;
}
struct border margin = ssd_get_margin(view->ssd);
center.x -= margin.left;
center.y -= margin.top;
@ -1059,7 +1062,9 @@ view_cascade(struct view *view)
}
}
view_move(view, candidate.x + margin.left, candidate.y + margin.top);
geom->x = candidate.x + margin.left;
geom->y = candidate.y + margin.top;
return true;
}
void
@ -1086,8 +1091,11 @@ view_place_by_policy(struct view *view, bool allow_cursor,
return;
}
} else if (policy == LAB_PLACE_CASCADE) {
view_cascade(view);
return;
struct wlr_box geometry = view->pending;
if (view_compute_cascaded_position(view, &geometry)) {
view_move(view, geometry.x, geometry.y);
return;
}
}
view_center(view, NULL);