big-change：添加两种类型结构读写支持

src/uhistory.cpp

@@ -0,0 +1,44 @@
+#include "uhistory.h"
+
+#include "src/ui_uhistory.h"
+#include "ui_uhistory.h"
+
+CUIHistory::CUIHistory(QWidget* parent, CHistory* his) : QDialog(parent), ui(new Ui::CUIHistory)
+{
+    ui->setupUi(this);
+    his_ = his;
+
+    connect(ui->btnExit, &QPushButton::clicked, this, [&]() { close(); });
+    connect(ui->btnOk, &QPushButton::clicked, this, [&]() { select_ok(); });
+}
+
+CUIHistory::~CUIHistory()
+{
+    delete ui;
+}
+
+void CUIHistory::showEvent(QShowEvent* event)
+{
+    std::vector<std::string> vec;
+    his_->get_history(vec);
+
+    QStringList list;
+    for (const auto& data : vec) {
+        list.append(QString::fromStdString(data));
+    }
+    if (!list.empty()) {
+        ui->listWidget->addItems(list);
+    }
+    cur_.clear();
+    QDialog::showEvent(event);
+}
+
+void CUIHistory::select_ok()
+{
+    auto re = ui->listWidget->selectedItems();
+    if (re.empty()) {
+        return ;
+    }
+    cur_ = re[0]->text();
+    close();
+}