Move floating windows to front when focused

common/list.c

@@ -2,6 +2,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include "log.h"
 
 list_t *create_list(void) {
 	list_t *list = malloc(sizeof(list_t));
@@ -82,6 +83,20 @@ void list_swap(list_t *list, int src, int dest) {
 	list->items[dest] = tmp;
 }
 
+void list_move_to_end(list_t *list, void *item) {
+	int i;
+	for (i = 0; i < list->length; ++i) {
+		if (list->items[i] == item) {
+			break;
+		}
+	}
+	if (!sway_assert(i < list->length, "Item not found in list")) {
+		return;
+	}
+	list_del(list, i);
+	list_add(list, item);
+}
+
 static void list_rotate(list_t *list, int from, int to) {
 	void *tmp = list->items[to];
 

include/list.h

@@ -24,4 +24,6 @@ int list_seq_find(list_t *list, int compare(const void *item, const void *cmp_to
 void list_stable_sort(list_t *list, int compare(const void *a, const void *b));
 // swap two elements in a list
 void list_swap(list_t *list, int src, int dest);
+// move item to end of list
+void list_move_to_end(list_t *list, void *item);
 #endif

sway/input/seat.c

@@ -666,6 +666,14 @@ void seat_set_focus_warp(struct sway_seat *seat,
 		container_damage_whole(container->parent);
 	}
 
+	// If we've focused a floating container, bring it to the front.
+	// We do this by putting it at the end of the floating list.
+	// This must happen for both the pending and current children lists.
+	if (container_is_floating(container)) {
+		list_move_to_end(container->parent->children, container);
+		list_move_to_end(container->parent->current.children, container);
+	}
+
 	// clean up unfocused empty workspace on new output
 	if (new_output_last_ws) {
 		if (!workspace_is_visible(new_output_last_ws)