update lvgl simulator on ubuntu

lv_sim_linux/GUI/PageManager.c

@@ -0,0 +1,90 @@
+#include "PageManager.h"
+#include <string.h>
+
+// 定义全局实例
+PageManager_t PageManager;
+
+/**
+ * 初始化页面管理器
+ */
+void PageManager_init(void) {
+    memset(&PageManager, 0, sizeof(PageManager));
+}
+
+/**
+ * 注册一个新页面
+ * @param page 页面结构体指针
+ */
+void PageManager_register(Page_t* page) {
+    if (PageManager.count >= MAX_PAGES) {
+        LV_LOG_WARN("PageManager: page list is full!");
+        return;
+    }
+    PageManager.pages[PageManager.count++] = page;
+}
+
+/**
+ * 切换到下一个页面（循环）
+ */
+void PageManager_next(void) {
+    if (PageManager.count == 0) return;
+
+    Page_t* current = PageManager.pages[PageManager.current_index];
+    Page_t* next = PageManager.pages[(PageManager.current_index + 1) % PageManager.count];
+
+    // 反初始化当前页
+    if (current->deinit) current->deinit();
+
+    // 更新索引
+    PageManager.current_index = (PageManager.current_index + 1) % PageManager.count;
+
+    // 初始化新页面并切换
+    if (next->init) next->init();
+    lv_scr_load_anim(*next->page_obj, LV_SCR_LOAD_ANIM_MOVE_LEFT, 200, 0, true);
+}
+
+/**
+ * 切换到上一个页面（循环）
+ */
+void PageManager_prev(void) {
+    if (PageManager.count == 0) return;
+
+    Page_t* current = PageManager.pages[PageManager.current_index];
+    uint8_t prev_index = (PageManager.current_index == 0) ?
+                         PageManager.count - 1 : PageManager.current_index - 1;
+    Page_t* prev = PageManager.pages[prev_index];
+
+    if (current->deinit) current->deinit();
+
+    PageManager.current_index = prev_index;
+
+    if (prev->init) prev->init();
+    lv_scr_load_anim(*prev->page_obj, LV_SCR_LOAD_ANIM_MOVE_RIGHT, 200, 0, true);
+}
+
+/**
+ * 跳转到指定索引页面
+ * @param index 目标页面索引
+ */
+void PageManager_goto(uint8_t index) {
+    if (index >= PageManager.count || PageManager.count == 0) return;
+
+    Page_t* current = PageManager.pages[PageManager.current_index];
+    Page_t* target = PageManager.pages[index];
+
+    if (current != target) {
+        if (current->deinit) current->deinit();
+        PageManager.current_index = index;
+        if (target->init) target->init();
+        lv_scr_load_anim(*target->page_obj, LV_SCR_LOAD_ANIM_FADE_IN, 200, 0, true);
+    }
+}
+
+/**
+ * 获取当前页面
+ * @return 当前页面指针
+ */
+Page_t* PageManager_get_current_page(void) {
+    if (PageManager.count == 0) return NULL;
+    return PageManager.pages[PageManager.current_index];
+}