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util/box: introduce wlr_fbox_contains_box

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Signed-off-by: Loukas Agorgianitis <loukas@agorgianitis.com>
This commit is contained in:
Loukas Agorgianitis 2025-04-14 11:42:06 +02:00
parent d26884920e
commit c7d6629d16
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2 changed files with 19 additions and 0 deletions
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8
include/wlr/util/box.h
View file

@ -87,6 +87,14 @@ bool wlr_box_contains_point(const struct wlr_box *box, double x, double y);
*/
bool wlr_box_contains_box(const struct wlr_box *bigger, const struct wlr_box *smaller);
/**
* Verifies that a box is fully contained within another box.
*
* Returns true if the "smaller" box is fully contained within the "bigger" box.
* If either of the boxes are empty, false is returned.
*/
bool wlr_fbox_contains_box(const struct wlr_fbox *bigger, const struct wlr_fbox *smaller);
/**
* Checks whether a box is empty or not.
*

11
util/box.c
View file

@ -130,6 +130,17 @@ bool wlr_box_contains_box(const struct wlr_box *bigger, const struct wlr_box *sm
smaller->y + smaller->height <= bigger->y + bigger->height;
}
bool wlr_fbox_contains_box(const struct wlr_fbox *bigger, const struct wlr_fbox *smaller) {
if (wlr_fbox_empty(bigger) || wlr_fbox_empty(smaller)) {
return false;
}
return smaller->x >= bigger->x &&
smaller->x + smaller->width <= bigger->x + bigger->width &&
smaller->y >= bigger->y &&
smaller->y + smaller->height <= bigger->y + bigger->height;
}
bool wlr_box_intersects(const struct wlr_box *a, const struct wlr_box *b) {
if (wlr_box_empty(a) || wlr_box_empty(b)) {
return false;