WIP, ui_menu

Core/App/Graphic/ui_utils.h

@@ -0,0 +1,41 @@
+#pragma once
+#include <stdint.h>
+#include <stdlib.h>
+#include "bmfont.h"
+#include "st7735.h"
+
+#define uiu_ALIGN_HLEFT                0b00000001
+#define uiu_ALIGN_HCENTER              0b00000010
+#define uiu_ALIGN_HRIGHT               0b00000100
+#define uiu_ALIGN_VTOP                 0b00010000
+#define uiu_ALIGN_VCENTER              0b00100000
+#define uiu_ALIGN_VBOTTOM              0b01000000
+
+#define UI_X 0
+#define UI_Y 16
+#define UI_W (ST7735_WIDTH)
+#define UI_H (ST7735_HEIGHT - 16)
+
+typedef struct
+{
+    const uint8_t *text;
+    const uint32_t len;
+} StrItem;
+
+typedef struct
+{
+    uint16_t index;
+    uint8_t confirmed;
+} IndexResult;
+
+
+extern const StrItem NULL_STR_ITEM;
+
+/** get string item in the list.
+ * @param index item index
+ * @return STR_ITEM, if STR_ITEM.len == 0 means item not exist.
+ */
+typedef StrItem (*uiu_GetStrItemFunc)(uint16_t index);
+
+void uiu_text_area(bmf_BitmapFont *font, const uint8_t *text, uint32_t len, uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint8_t align, uint16_t color, uint16_t bg_color);
+void uiu_title(const uint8_t *text, uint32_t len);