lv_group: add lv_group.c,h

lv_obj/lv_group.h

@@ -0,0 +1,51 @@
+/**
+ * @file lv_group.h
+ *
+ */
+
+#ifndef LV_GROUP_H
+#define LV_GROUP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "lv_obj.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+typedef struct
+{
+    ll_dsc_t obj_ll;
+    lv_obj_t ** actve_obj;
+    void (*style_activate)(lv_style_t * style);
+    lv_style_t style_tmp;
+}lv_group_t;
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+lv_group_t * lv_group_create(void);
+void lv_group_add(lv_group_t * group, lv_obj_t * obj);
+void lv_group_activate_obj(lv_group_t * group, lv_obj_t * obj);
+void lv_group_activate_next(lv_group_t * group);
+void lv_group_activate_prev(lv_group_t * group);
+
+/**********************
+ *      MACROS
+ **********************/
+
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /*LV_GROUP_H*/