LVGL 库提交

2026-08-30 08:57:07 +08:00
parent 0b59118ddd
commit bc07701ed5
1056 changed files with 556743 additions and 45 deletions
@@ -0,0 +1,79 @@
+/**
+ * @file lv_layout.c
+ *
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "lv_layout_private.h"
+#include "../core/lv_global.h"
+#include "../core/lv_obj.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+#define layout_cnt LV_GLOBAL_DEFAULT()->layout_count
+#define layout_list_def LV_GLOBAL_DEFAULT()->layout_list
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+void lv_layout_init(void)
+{
+    /*Malloc a list for the built in layouts*/
+    layout_list_def = lv_malloc(layout_cnt * sizeof(lv_layout_dsc_t));
+
+#if LV_USE_FLEX
+    lv_flex_init();
+#endif
+
+#if LV_USE_GRID
+    lv_grid_init();
+#endif
+}
+
+void lv_layout_deinit(void)
+{
+    lv_free(layout_list_def);
+}
+
+uint32_t lv_layout_register(lv_layout_update_cb_t cb, void * user_data)
+{
+    layout_list_def = lv_realloc(layout_list_def, (layout_cnt + 1) * sizeof(lv_layout_dsc_t));
+    LV_ASSERT_MALLOC(layout_list_def);
+
+    layout_list_def[layout_cnt].cb = cb;
+    layout_list_def[layout_cnt].user_data = user_data;
+    return layout_cnt++;
+}
+
+void lv_layout_apply(lv_obj_t * obj)
+{
+    lv_layout_t layout_id = lv_obj_get_style_layout(obj, LV_PART_MAIN);
+    if(layout_id > 0 && layout_id <= layout_cnt) {
+        void  * user_data = layout_list_def[layout_id].user_data;
+        layout_list_def[layout_id].cb(obj, user_data);
+    }
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/