1 files changed, 28 insertions, 2 deletions
diff --git a/examples/threads/mandelbrot/mandelbrotwidget.h b/examples/threads/mandelbrot/mandelbrotwidget.h
index 5af3a8d..53bbeb6 100644
--- a/examples/threads/mandelbrot/mandelbrotwidget.h
+++ b/examples/threads/mandelbrot/mandelbrotwidget.h
@@ -43,9 +43,35 @@
 
 #include <QPixmap>
 #include <QWidget>
-
 #include "renderthread.h"
 
+#if defined(Q_WS_S60) || defined(Q_WS_MAEMO_5) || defined(Q_WS_SIMULATOR)
+#include <QPushButton>
+
+class ZoomButton : public QPushButton
+{
+    Q_OBJECT
+public:
+    ZoomButton(const QString &text, double zoomFactor, QWidget *parent = NULL)
+        : QPushButton(text, parent), m_ZoomFactor(zoomFactor)
+    {
+        connect(this, SIGNAL(clicked()), this, SLOT(handleClick()));
+    }
+
+signals:
+    void zoom(double zoomFactor);
+
+private slots:
+    void handleClick()
+    {
+        emit zoom(m_ZoomFactor);
+    }
+
+private:
+    const double m_ZoomFactor;
+};
+#endif
+
 //! [0]
 class MandelbrotWidget : public QWidget
 {
@@ -65,9 +91,9 @@ protected:
 
 private slots:
     void updatePixmap(const QImage &image, double scaleFactor);
+    void zoom(double zoomFactor);
 
 private:
-    void zoom(double zoomFactor);
     void scroll(int deltaX, int deltaY);
 
     RenderThread thread;