彻底改版2.0

third/qwtdemo/examples/dials/speedo_meter.h

@@ -0,0 +1,18 @@
+#include <qstring.h>
+#include <qwt_dial.h>
+
+class SpeedoMeter: public QwtDial
+{
+public:
+    SpeedoMeter( QWidget *parent = NULL );
+
+    void setLabel( const QString & );
+    QString label() const;
+
+protected:
+    virtual void drawScaleContents( QPainter *painter,
+        const QPointF &center, double radius ) const;
+
+private:
+    QString d_label;
+};