添加util目录

util/TimeLine/timeLineWidget.cpp

@@ -0,0 +1,42 @@
+#include "timeLineWidget.h"
+
+#include <QGraphicsScene>
+#include <QColor>
+
+namespace TimeLine
+{
+
+class TimeLineWidgetPrivate
+{
+public:
+    QGraphicsScene* m_pScene;
+    QColor          m_background_color;
+    QColor          m_timeline_color;
+};
+
+TimeLineWidget::TimeLineWidget(QWidget *parent)
+    : QGraphicsView(parent)
+    , d_ptr(new TimeLine::TimeLineWidgetPrivate)
+{
+    d_ptr->m_pScene = new QGraphicsScene;
+
+    setScene(d_ptr->m_pScene);
+}
+
+TimeLineWidget::~TimeLineWidget()
+{
+    delete d_ptr;
+}
+
+void TimeLineWidget::setBackground(QColor color)
+{
+    d_ptr->m_background_color = color;
+}
+
+void TimeLineWidget::setTimelineColor(QColor color)
+{
+    d_ptr->m_timeline_color = color;
+    setBackgroundBrush(QBrush(color, Qt::SolidPattern));
+}
+
+} // namespace TimeLine

util/TimeLine/timeLineWidget.h

@@ -0,0 +1,27 @@
+#ifndef TIMELINEWIDGET_H
+#define TIMELINEWIDGET_H
+
+#include <QGraphicsView>
+
+namespace TimeLine
+{
+
+class TimeLineWidgetPrivate;
+
+class TimeLineWidget : public QGraphicsView
+{
+    Q_OBJECT
+public:
+    explicit TimeLineWidget(QWidget *parent = 0);
+    virtual ~TimeLineWidget();
+
+    void setBackground(QColor);
+    void setTimelineColor(QColor);
+
+private:
+    TimeLineWidgetPrivate* d_ptr;
+}; // class TimeLineWidget
+
+} // namespace TimeLine
+
+#endif