Fix nested tabs

Fixes #2023.

1 files changed, 11 insertions, 18 deletions

diff --git a/sway/tree/arrange.c b/sway/tree/arrange.c
index 37f4a066..bdef56ea 100644
--- a/sway/tree/arrange.c
+++ b/sway/tree/arrange.c
@@ -177,29 +177,24 @@ static void apply_vert_layout(struct sway_container *parent) {
         child->height = parent->y + parent_offset + parent_height - child->y;
 }
 
-static void apply_tabbed_layout(struct sway_container *parent) {
+static void apply_tabbed_or_stacked_layout(struct sway_container *parent) {
         if (!parent->children->length) {
                 return;
         }
-        for (int i = 0; i < parent->children->length; ++i) {
-                struct sway_container *child = parent->children->items[i];
-                child->x = parent->x;
-                child->y = parent->y;
-                child->width = parent->width;
-                child->height = parent->height;
-        }
-}
-
-static void apply_stacked_layout(struct sway_container *parent) {
-        if (!parent->children->length) {
-                return;
+        size_t parent_offset = 0;
+        if (parent->parent->layout == L_TABBED) {
+                parent_offset = container_titlebar_height();
+        } else if (parent->parent->layout == L_STACKED) {
+                parent_offset =
+                        container_titlebar_height() * parent->parent->children->length;
         }
+        size_t parent_height = parent->height - parent_offset;
         for (int i = 0; i < parent->children->length; ++i) {
                 struct sway_container *child = parent->children->items[i];
                 child->x = parent->x;
-                child->y = parent->y;
+                child->y = parent->y + parent_offset;
                 child->width = parent->width;
-                child->height = parent->height;
+                child->height = parent_height;
         }
 }
 
@@ -234,10 +229,8 @@ void arrange_children_of(struct sway_container *parent) {
                 apply_vert_layout(parent);
                 break;
         case L_TABBED:
-                apply_tabbed_layout(parent);
-                break;
         case L_STACKED:
-                apply_stacked_layout(parent);
+                apply_tabbed_or_stacked_layout(parent);
                 break;
         default:
                 wlr_log(L_DEBUG, "TODO: arrange layout type %d", parent->layout);