feat: 添加ElaWidgetTool库

ElaWidgetTools/private/ElaRollerPrivate.h

@@ -0,0 +1,34 @@
+#ifndef ELAFRAMEWORK_ELAWIDGETTOOLS_PRIVATE_ELAROLLERPRIVATE_H_
+#define ELAFRAMEWORK_ELAWIDGETTOOLS_PRIVATE_ELAROLLERPRIVATE_H_
+
+#include "ElaDef.h"
+#include <QObject>
+#include <QPoint>
+
+class ElaRoller;
+class QPropertyAnimation;
+class ElaRollerPrivate : public QObject
+{
+    Q_OBJECT
+    Q_D_CREATE(ElaRoller)
+    Q_PROPERTY_CREATE_D(int, BorderRadius)
+    Q_PROPERTY_CREATE(qreal, ScrollOffset)
+    Q_PROPERTY_CREATE_D(QStringList, ItemList)
+    Q_PROPERTY_CREATE_D(int, ItemHeight)
+    Q_PROPERTY_CREATE_D(int, MaxVisibleItems)
+    Q_PROPERTY_CREATE_D(int, CurrentIndex)
+public:
+    explicit ElaRollerPrivate(QObject* parent = nullptr);
+    ~ElaRollerPrivate() override;
+
+private:
+    ElaThemeType::ThemeMode _themeMode;
+    QPropertyAnimation* _scrollAnimation{nullptr};
+    int _penBorderWidth{1};
+    int _indicatorMargin{3};
+    qreal _targetScrollOffset{0};
+    QPoint _mousePoint;
+    void _scroll(int delta);
+};
+
+#endif //ELAFRAMEWORK_ELAWIDGETTOOLS_PRIVATE_ELAROLLERPRIVATE_H_