新增qwt源码版本

qwtdemo/examples/dials/cockpit_grid.h

@@ -0,0 +1,28 @@
+#include <qframe.h>
+#include <qpalette.h>
+
+class QwtDial;
+class QwtAnalogClock;
+class SpeedoMeter;
+class AttitudeIndicator;
+
+class CockpitGrid: public QFrame
+{
+    Q_OBJECT
+
+public:
+    CockpitGrid( QWidget *parent = NULL );
+
+private Q_SLOTS:
+    void changeSpeed();
+    void changeGradient();
+    void changeAngle();
+
+private:
+    QPalette colorTheme( const QColor & ) const;
+    QwtDial *createDial( int pos );
+
+    QwtAnalogClock *d_clock;
+    SpeedoMeter *d_speedo;
+    AttitudeIndicator *d_ai;
+};