初步实现场景切换

HPPA/TabManager.h

@@ -0,0 +1,32 @@
+#pragma once
+
+#include <QObject>
+#include <QTabWidget>
+#include <QHash>
+
+class TabManager : public QObject
+{
+    Q_OBJECT
+public:
+    explicit TabManager(QTabWidget* tabWidget, QObject* parent = nullptr);
+
+    void hideTab(QWidget* page);
+    void showTab(QWidget* page);
+    bool isHidden(QWidget* page) const;
+
+signals:
+    void tabHidden(QWidget* page);
+    void tabShown(QWidget* page);
+
+private:
+    struct TabInfo
+    {
+        int index;
+        QString text;
+        QIcon icon;
+        QString toolTip;
+    };
+
+    QTabWidget* m_tabWidget = nullptr;
+    QHash<QWidget*, TabInfo> m_hiddenTabs;
+};