[feat] add HarmonyOS desktop and mobile clients，issue #117

apps/desktop/src/gui/ui/model_update.h

@@ -0,0 +1,34 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2026-10-15
+ * Copyright (c) 2026 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _MODEL_UPDATE_H_
+#define _MODEL_UPDATE_H_
+
+#include <slint.h>
+
+#include <utility>
+#include <vector>
+
+namespace crossdesk::ui {
+
+// A reset invalidates row-count bindings even if the count is unchanged.
+// Repeating it from a timer can continually restart dependent size animations.
+template <typename Row>
+void UpdateModelRows(slint::VectorModel<Row>& model, std::vector<Row> rows) {
+  if (model.row_count() != rows.size()) {
+    model.set_vector(std::move(rows));
+    return;
+  }
+  for (std::size_t i = 0; i < rows.size(); ++i) {
+    if (model.row_data(i) != rows[i]) {
+      model.set_row_data(i, rows[i]);
+    }
+  }
+}
+
+}  // namespace crossdesk::ui
+
+#endif