feat(ui): 重构设置界面为页面控制器架构

- 添加新的UI页面基础架构(ui_page.h)，包含页面操作接口
- 创建设置页面控制器(ui_settings_controller.h/.c)来管理页面导航
- 实现具体的设置页面类型：根页面、BLE页面、主题页面
- 修改display_module.c以使用新的页面系统替代旧的状态机
- 移除过时的settings_ui.h头文件和相关状态结构
- 更新事件处理逻辑以使用页面指针而非状态数据传递
- 修改主界面实现以适配统一的页面接口标准

inc/events/settings_view_event.h

@@ -1,12 +1,10 @@
 #ifndef BLINKY_SETTINGS_VIEW_EVENT_H_
 #define BLINKY_SETTINGS_VIEW_EVENT_H_
 
-#include <string.h>
-
 #include <app_event_manager.h>
 #include <app_event_manager_profiler_tracer.h>
 
-#include "settings_ui.h"
+#include "ui/ui_settings_page.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -14,22 +12,19 @@ extern "C" {
 
 struct settings_view_event {
 	struct app_event_header header;
-	struct settings_ui_state state;
+	struct ui_settings_page *page;
+	bool animate;
 };
 
 APP_EVENT_TYPE_DECLARE(settings_view_event);
 
-static inline void submit_settings_view_event(
-	const struct settings_ui_state *state)
+static inline void submit_settings_view_event(struct ui_settings_page *page,
+					      bool animate)
 {
-	struct settings_view_event *event;
+	struct settings_view_event *event = new_settings_view_event();
 
-	if (state == NULL) {
-		return;
-	}
-
-	event = new_settings_view_event();
-	memcpy(&event->state, state, sizeof(event->state));
+	event->page = page;
+	event->animate = animate;
 	APP_EVENT_SUBMIT(event);
 }
 

inc/settings_ui.h

@@ -1,56 +0,0 @@
-#ifndef BLINKY_SETTINGS_UI_H_
-#define BLINKY_SETTINGS_UI_H_
-
-#include <stdbool.h>
-#include <stdint.h>
-
-#include "theme_color.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#define SETTINGS_UI_ROOT_ITEM_COUNT 2U
-#define SETTINGS_UI_BLE_SLOT_COUNT 3U
-#define SETTINGS_UI_BLE_ITEM_COUNT 4U
-#define SETTINGS_UI_THEME_OPTION_COUNT 6U
-#define SETTINGS_UI_TITLE_MAX 20U
-#define SETTINGS_UI_VALUE_MAX 24U
-#define SETTINGS_UI_THEME_NAME_MAX 16U
-
-enum settings_ui_page {
-	SETTINGS_UI_PAGE_ROOT = 0,
-	SETTINGS_UI_PAGE_BLE,
-	SETTINGS_UI_PAGE_THEME,
-};
-
-struct settings_ui_list_item {
-	char title[SETTINGS_UI_TITLE_MAX];
-	char value[SETTINGS_UI_VALUE_MAX];
-};
-
-struct settings_ui_theme_option {
-	char name[SETTINGS_UI_THEME_NAME_MAX];
-	struct theme_rgb color;
-};
-
-struct settings_ui_state {
-	bool active;
-	enum settings_ui_page page;
-	uint8_t root_selected;
-	uint8_t ble_selected;
-	uint8_t theme_selected;
-	uint8_t active_ble_slot;
-	struct theme_rgb accent;
-	struct settings_ui_list_item root_items[SETTINGS_UI_ROOT_ITEM_COUNT];
-	struct settings_ui_list_item ble_items[SETTINGS_UI_BLE_ITEM_COUNT];
-	struct settings_ui_theme_option
-		theme_options[SETTINGS_UI_THEME_OPTION_COUNT];
-	uint8_t theme_option_count;
-};
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* BLINKY_SETTINGS_UI_H_ */

inc/ui/ui_page.h

@@ -0,0 +1,66 @@
+#ifndef BLINKY_UI_PAGE_H_
+#define BLINKY_UI_PAGE_H_
+
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct ui_page;
+
+struct ui_page_ops {
+	void (*init)(struct ui_page *page);
+	void (*deinit)(struct ui_page *page);
+	void (*refresh)(struct ui_page *page);
+};
+
+struct ui_page {
+	const struct ui_page_ops *ops;
+	struct ui_page *parent;
+	bool initialized;
+};
+
+static inline void ui_page_init(struct ui_page *page)
+{
+	if ((page == NULL) || (page->ops == NULL)) {
+		return;
+	}
+
+	if (page->initialized) {
+		return;
+	}
+
+	if (page->ops->init != NULL) {
+		page->ops->init(page);
+	}
+	page->initialized = true;
+}
+
+static inline void ui_page_deinit(struct ui_page *page)
+{
+	if ((page == NULL) || !page->initialized || (page->ops == NULL)) {
+		return;
+	}
+
+	if (page->ops->deinit != NULL) {
+		page->ops->deinit(page);
+	}
+	page->initialized = false;
+}
+
+static inline void ui_page_refresh(struct ui_page *page)
+{
+	if ((page == NULL) || !page->initialized ||
+	    (page->ops == NULL) || (page->ops->refresh == NULL)) {
+		return;
+	}
+
+	page->ops->refresh(page);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BLINKY_UI_PAGE_H_ */

inc/ui/ui_settings_controller.h

@@ -0,0 +1,38 @@
+#ifndef BLINKY_UI_SETTINGS_CONTROLLER_H_
+#define BLINKY_UI_SETTINGS_CONTROLLER_H_
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "theme_color.h"
+#include "ui_page.h"
+#include "ui_settings_page.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void ui_settings_controller_open(void);
+void ui_settings_controller_close(void);
+bool ui_settings_controller_back(void);
+void ui_settings_controller_select(void);
+void ui_settings_controller_move(int8_t delta);
+void ui_settings_controller_refresh(bool animate);
+bool ui_settings_controller_is_active(void);
+
+void ui_settings_controller_switch_to(struct ui_settings_page *page,
+				      struct ui_page *parent);
+
+const char *ui_settings_ble_current_label(void);
+const char *ui_settings_ble_slot_label(uint8_t slot);
+void ui_settings_ble_select_slot(uint8_t slot);
+void ui_settings_ble_erase_current(void);
+void ui_settings_theme_set_current(struct theme_rgb theme);
+const char *ui_settings_theme_current_name(void);
+uint8_t ui_settings_theme_current_index(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BLINKY_UI_SETTINGS_CONTROLLER_H_ */

inc/ui/ui_settings_page.h

@@ -0,0 +1,56 @@
+#ifndef BLINKY_UI_SETTINGS_PAGE_H_
+#define BLINKY_UI_SETTINGS_PAGE_H_
+
+#include <stdint.h>
+
+#include <lvgl.h>
+
+#include "ui_page.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct ui_settings_page;
+struct ui_settings_item;
+
+typedef void (*ui_settings_item_draw_fn)(const struct ui_settings_item *item,
+					 lv_obj_t *container);
+
+struct ui_settings_item {
+	const char *icon;
+	const char *title;
+	const char *value;
+	ui_settings_item_draw_fn draw;
+	void *user_data;
+};
+
+struct ui_settings_page_ops {
+	struct ui_page_ops base;
+
+	uint8_t (*get_count)(struct ui_settings_page *page);
+	void (*get_item)(struct ui_settings_page *page, uint8_t index,
+			 struct ui_settings_item *item);
+	void (*on_enter)(struct ui_settings_page *page);
+	void (*on_select)(struct ui_settings_page *page, uint8_t index);
+	void (*on_back)(struct ui_settings_page *page);
+};
+
+struct ui_settings_page {
+	struct ui_page base;
+	const struct ui_settings_page_ops *ops;
+	const char *title;
+	const char *hint;
+	uint8_t selected;
+};
+
+static inline struct ui_settings_page *ui_page_to_settings(struct ui_page *page)
+{
+	return (struct ui_settings_page *)page;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BLINKY_UI_SETTINGS_PAGE_H_ */