1 files changed, 78 insertions, 0 deletions

diff --git a/include/sway/tree/layout.h b/include/sway/tree/layout.h
new file mode 100644
index 00000000..49ae00e4
--- /dev/null
+++ b/include/sway/tree/layout.h
@@ -0,0 +1,78 @@
+#ifndef _SWAY_LAYOUT_H
+#define _SWAY_LAYOUT_H
+#include <wlr/types/wlr_output_layout.h>
+#include <wlr/render/wlr_texture.h>
+#include "sway/tree/container.h"
+
+enum movement_direction {
+        MOVE_LEFT,
+        MOVE_RIGHT,
+        MOVE_UP,
+        MOVE_DOWN,
+        MOVE_PARENT,
+        MOVE_CHILD,
+};
+
+enum resize_edge {
+        RESIZE_EDGE_LEFT,
+        RESIZE_EDGE_RIGHT,
+        RESIZE_EDGE_TOP,
+        RESIZE_EDGE_BOTTOM,
+};
+
+struct sway_container;
+
+struct sway_root {
+        struct wlr_output_layout *output_layout;
+
+        struct wl_listener output_layout_change;
+
+        struct wl_list xwayland_unmanaged; // sway_xwayland_unmanaged::link
+
+        struct wlr_texture *debug_tree;
+
+        struct {
+                struct wl_signal new_container;
+        } events;
+};
+
+void layout_init(void);
+
+void container_add_child(struct sway_container *parent,
+                struct sway_container *child);
+
+struct sway_container *container_add_sibling(struct sway_container *parent,
+                struct sway_container *child);
+
+struct sway_container *container_remove_child(struct sway_container *child);
+
+struct sway_container *container_replace_child(struct sway_container *child,
+                struct sway_container *new_child);
+
+struct sway_container *container_set_layout(struct sway_container *container,
+                enum sway_container_layout layout);
+
+void container_move_to(struct sway_container* container,
+                struct sway_container* destination);
+
+void container_move(struct sway_container *container,
+                enum movement_direction dir, int move_amt);
+
+enum sway_container_layout container_get_default_layout(
+                struct sway_container *con);
+
+void container_sort_workspaces(struct sway_container *output);
+
+void arrange_windows(struct sway_container *container,
+                double width, double height);
+
+struct sway_container *container_get_in_direction(struct sway_container
+                *container, struct sway_seat *seat, enum movement_direction dir);
+
+struct sway_container *container_split(struct sway_container *child,
+                enum sway_container_layout layout);
+
+void container_recursive_resize(struct sway_container *container,
+                double amount, enum resize_edge edge);
+
+#endif