1 files changed, 48 insertions, 0 deletions
diff --git a/kscurses/ui/scene_manager.jai b/kscurses/ui/scene_manager.jai
new file mode 100644
index 0000000..1caff8b
--- /dev/null
+++ b/kscurses/ui/scene_manager.jai
@@ -0,0 +1,48 @@
+UI_Scene :: struct {
+	root : *UI_Elem;
+	entry : *UI_Elem;
+}
+UI_Popup :: struct {
+	root : *UI_Elem;
+	entry : *UI_Elem;
+	size : ivec2 = .{-1, -1};
+}
+
+UI_Scene_Manager :: struct {
+	#as using base_parent : UI_Parent = .{type = .SCENE_MANAGER, box_type = .NONE};
+	scenes : []UI_Scene;
+}
+
+set_sub_elements :: (ui_scene_manager : *UI_Scene_Manager, scenes : ..UI_Scene) {
+	ui_scene_manager.scenes = scenes;
+	for ui_scene_manager.scenes it.root.parent = ui_scene_manager;
+}
+
+handle_key_scene_manager :: (ui_elem : *UI_Elem, key : Key) -> handled:bool {
+	using cast(*UI_Scene_Manager) ui_elem;
+	assert(cursor_state == .ON || cursor_state == .OUTSIDE);
+
+	handled := false;
+	if cursor_state == .OUTSIDE {
+		assert(xx active_element);
+		{
+			ok := false;
+			for s : scenes if s.root == active_element ok = true;
+			assert(ok);
+		}
+		handled = handle_key(active_element, key);
+	} else {
+		assert(xx !active_element);
+	}
+	return handled;
+}
+
+c_draw_scene_manager :: (canvas : *Canvas, ui_elem : *UI_Elem, zone : Ibox2, style : *UI_Style) -> bool {
+	using cast(*UI_Scene_Manager) ui_elem;
+	return c_draw(canvas, active_element, zone, style);
+}
+
+switch_scene :: (using ui_scene_manager : *UI_Scene_Manager, id : int) {
+	unset_active_recursive(__last_set);
+	set_active_recursive(scenes[id].entry);
+}