From 954a5eadf1e3c04f8ca2569b9d7b2afc4c104206 Mon Sep 17 00:00:00 2001
From: Johan Malm <jgm323@gmail.com>
Date: Tue, 2 Mar 2021 20:51:32 +0000
Subject: [PATCH] xdg-popup: uncontrain popups

---
 src/xdg-popup.c | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/src/xdg-popup.c b/src/xdg-popup.c
index f4b9b181..c1a50efd 100644
--- a/src/xdg-popup.c
+++ b/src/xdg-popup.c
@@ -50,6 +50,28 @@ popup_handle_new_xdg_popup(struct wl_listener *listener, void *data)
 	xdg_popup_create(popup->view_child.parent, wlr_popup);
 }
 
+static void
+popup_unconstrain(struct xdg_popup *popup)
+{
+	struct view *view = popup->view_child.parent;
+	struct server *server = view->server;
+	struct wlr_box *popup_box = &popup->wlr_popup->geometry;
+	struct wlr_output_layout *output_layout = server->output_layout;
+	struct wlr_output *wlr_output = wlr_output_layout_output_at(
+		output_layout, view->x + popup_box->x, view->y + popup_box->y);
+	struct wlr_box *output_box = wlr_output_layout_get_box(
+		output_layout, wlr_output);
+
+	struct wlr_box output_toplevel_box = {
+		.x = output_box->x - view->x,
+		.y = output_box->y - view->y,
+		.width = output_box->width,
+		.height = output_box->height,
+	};
+	wlr_xdg_popup_unconstrain_from_box(
+		popup->wlr_popup, &output_toplevel_box);
+}
+
 void
 xdg_popup_create(struct view *view, struct wlr_xdg_popup *wlr_popup)
 {
@@ -70,5 +92,5 @@ xdg_popup_create(struct view *view, struct wlr_xdg_popup *wlr_popup)
 	popup->new_popup.notify = popup_handle_new_xdg_popup;
 	wl_signal_add(&wlr_popup->base->events.new_popup, &popup->new_popup);
 
-	/* TODO: popup_unconstrain() */
+	popup_unconstrain(popup);
 }