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

src/display_module.c

@@ -19,10 +19,10 @@
 #include "module_lifecycle.h"
 #include "mode_switch_event.h"
 #include "settings_mode_event.h"
-#include "settings_ui.h"
 #include "settings_view_event.h"
 #include "theme_rgb_update_event.h"
 #include "theme_color.h"
+#include "ui/ui_page.h"
 #include "ui/ui_main.h"
 #include "ui/ui_settings.h"
 
@@ -38,9 +38,8 @@ struct display_module_ctx {
 	const struct device *backlight_dev;
 	uint32_t backlight_idx;
 	struct ui_main_model ui_model;
-	struct settings_ui_state settings_ui;
+	struct ui_settings_page *settings_page;
 	bool settings_active;
-	bool settings_ui_valid;
 	bool lvgl_initialized;
 	char date_text[DATETIME_EVENT_DATE_TEXT_LEN];
 	char time_text[DATETIME_EVENT_TIME_TEXT_LEN];
@@ -81,6 +80,11 @@ static struct display_module_ctx ctx = {
 	.time_text = "00:00:00",
 };
 
+static struct ui_page *main_page(void)
+{
+	return ui_main_page_get(&ctx.ui_model, ctx.date_text, ctx.time_text);
+}
+
 static int backlight_set(bool on)
 {
 	if (on) {
@@ -133,11 +137,16 @@ static int do_start(void)
 		ctx.lvgl_initialized = true;
 
 		lvgl_lock();
-		ui_main_init(&ctx.ui_model, ctx.date_text, ctx.time_text);
-		ui_settings_init(NULL);
+		ui_page_init(main_page());
 		lvgl_unlock();
 	}
 
+	lvgl_lock();
+	if (!ctx.settings_active) {
+		ui_page_init(main_page());
+	}
+	lvgl_unlock();
+
 	err = backlight_set(true);
 	if (err) {
 		LOG_ERR("Backlight enable failed (%d)", err);
@@ -175,15 +184,11 @@ static void refresh_ui(void)
 		return;
 	}
 
-	if (ctx.settings_active && !ctx.settings_ui_valid) {
-		return;
-	}
-
 	lvgl_lock();
-	if (ctx.settings_active) {
-		ui_settings_refresh(&ctx.settings_ui, true);
+	if (ctx.settings_active && (ctx.settings_page != NULL)) {
+		ui_settings_show(ctx.settings_page, true);
 	} else {
-		ui_main_refresh_all(&ctx.ui_model, ctx.date_text, ctx.time_text);
+		ui_page_refresh(main_page());
 	}
 	lvgl_unlock();
 }
@@ -223,7 +228,6 @@ static bool app_event_handler(const struct app_event_header *aeh)
 		ctx.ui_model.theme_color = (lv_color_t)LV_COLOR_MAKE(event->theme.r,
 								     event->theme.g,
 								     event->theme.b);
-		ctx.settings_ui.accent = event->theme;
 		refresh_ui();
 		return false;
 	}
@@ -233,17 +237,24 @@ static bool app_event_handler(const struct app_event_header *aeh)
 			cast_settings_mode_event(aeh);
 
 		ctx.settings_active = event->active;
-		ctx.settings_ui_valid = false;
+		if (!ctx.settings_active) {
+			ctx.settings_page = NULL;
+		}
 		if (!ctx.lvgl_initialized) {
 			return false;
 		}
 
 		lvgl_lock();
-		if (!ctx.settings_active) {
-			ui_settings_set_visible(false);
-			ui_main_set_visible(true);
-			ui_main_refresh_all(&ctx.ui_model, ctx.date_text,
-					    ctx.time_text);
+		if (ctx.settings_active) {
+			ui_page_deinit(main_page());
+			ui_settings_init();
+			if (ctx.settings_page != NULL) {
+				ui_settings_show(ctx.settings_page, false);
+			}
+		} else {
+			ui_settings_deinit();
+			ui_page_init(main_page());
+			ui_page_refresh(main_page());
 		}
 		lvgl_unlock();
 		return false;
@@ -253,18 +264,13 @@ static bool app_event_handler(const struct app_event_header *aeh)
 		const struct settings_view_event *event =
 			cast_settings_view_event(aeh);
 
-		ctx.settings_ui = event->state;
-		ctx.settings_ui_valid = true;
+		ctx.settings_page = event->page;
 		if (ctx.settings_active && ctx.lvgl_initialized) {
 			lvgl_lock();
-			ui_settings_refresh(&ctx.settings_ui, false);
-			ui_main_set_visible(false);
-			ui_settings_set_visible(true);
+			ui_settings_show(ctx.settings_page, event->animate);
 			lvgl_unlock();
-			return false;
 		}
 
-		refresh_ui();
 		return false;
 	}