From 515150229847c9ebdfd0cabb6f0026fca9d57a23 Mon Sep 17 00:00:00 2001
From: Tony Crisci <tony@dubstepdish.com>
Date: Sun, 4 Feb 2018 13:39:10 -0500
Subject: basic focus overhaul

---
 sway/tree/layout.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

(limited to 'sway/tree/layout.c')

diff --git a/sway/tree/layout.c b/sway/tree/layout.c
index 41ff81b2..45f8c3ae 100644
--- a/sway/tree/layout.c
+++ b/sway/tree/layout.c
@@ -48,10 +48,12 @@ void init_layout(void) {
 	root_container.layout = L_NONE;
 	root_container.name = strdup("root");
 	root_container.children = create_list();
+	wl_signal_init(&root_container.events.destroy);
 
 	root_container.sway_root = calloc(1, sizeof(*root_container.sway_root));
 	root_container.sway_root->output_layout = wlr_output_layout_create();
 	wl_list_init(&root_container.sway_root->unmanaged_views);
+	wl_signal_init(&root_container.sway_root->events.new_container);
 
 	root_container.sway_root->output_layout_change.notify =
 		output_layout_change_notify;
@@ -59,6 +61,34 @@ void init_layout(void) {
 		&root_container.sway_root->output_layout_change);
 }
 
+int index_child(const swayc_t *child) {
+	// TODO handle floating
+	swayc_t *parent = child->parent;
+	int i, len;
+	len = parent->children->length;
+	for (i = 0; i < len; ++i) {
+		if (parent->children->items[i] == child) {
+			break;
+		}
+	}
+
+	if (!sway_assert(i < len, "Stray container")) {
+		return -1;
+	}
+	return i;
+}
+
+swayc_t *add_sibling(swayc_t *fixed, swayc_t *active) {
+	// TODO handle floating
+	swayc_t *parent = fixed->parent;
+	int i = index_child(fixed);
+	list_insert(parent->children, i + 1, active);
+	active->parent = parent;
+	// focus new child
+	parent->focused = active;
+	return active->parent;
+}
+
 void add_child(swayc_t *parent, swayc_t *child) {
 	wlr_log(L_DEBUG, "Adding %p (%d, %fx%f) to %p (%d, %fx%f)",
 			child, child->type, child->width, child->height,
-- 
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