added support of right and middle mouse button and also wheel mouse while I was at it.

JGE/src/Qtmain.cpp

@@ -37,6 +37,8 @@ protected:
 
   void mouseReleaseEvent(QMouseEvent *event);
 
+  void wheelEvent(QWheelEvent *event);
+
 protected:
   QPoint lastPos;
 
@@ -223,12 +225,21 @@ void JGEQtRenderer::timerEvent( QTimerEvent* )
 
 void JGEQtRenderer::mousePressEvent(QMouseEvent *event)
 {
+  if(event->button() == Qt::LeftButton)
+  {
     lastPos = event->pos();
+    event->accept();
+  }
+  else
+  {
     QGLWidget::mousePressEvent(event);
+  }
 }
 
 void JGEQtRenderer::mouseReleaseEvent(QMouseEvent *event)
 {
+  if(event->button() == Qt::LeftButton)
+  {
     QPoint currentPos = event->pos();
     int dx = currentPos.x() - lastPos.x();
     int dy = currentPos.y() - lastPos.y();
@@ -249,16 +260,61 @@ void JGEQtRenderer::mouseReleaseEvent(QMouseEvent *event)
     {
       g_engine->HoldKey_NoRepeat(JGE_BTN_DOWN);
     }
-
+    event->accept();
+  }
+  else if(event->button() == Qt::RightButton)
+  {
+    g_engine->HoldKey_NoRepeat(JGE_BTN_PREV);
+    event->accept();
+  }
+  else if(event->button() == Qt::MidButton)
+  {
+    g_engine->HoldKey_NoRepeat(JGE_BTN_SEC);
+    event->accept();
+  }
+  else
+  {
     QGLWidget::mouseReleaseEvent(event);
+  }
 }
 
 
 void JGEQtRenderer::mouseDoubleClickEvent(QMouseEvent *event)
 {
-
+  if(event->button() == Qt::LeftButton)
+  {
     g_engine->HoldKey_NoRepeat(JGE_BTN_OK);
     event->accept();
+  }
+  else
+  {
+    QGLWidget::mouseDoubleClickEvent(event);
+  }
+}
+
+
+void JGEQtRenderer::wheelEvent(QWheelEvent *event)
+{
+  if(event->orientation() == Qt::Vertical)
+  {
+    if(event->delta() > 0)
+    {
+      g_engine->HoldKey_NoRepeat(JGE_BTN_UP);
+    }
+    else
+    {
+      g_engine->HoldKey_NoRepeat(JGE_BTN_DOWN);
+    }
+  }
+  else if(event->orientation() == Qt::Horizontal)
+  {
+    g_engine->HoldKey_NoRepeat(JGE_BTN_LEFT);
+  }
+  else
+  {
+    g_engine->HoldKey_NoRepeat(JGE_BTN_RIGHT);
+  }
+  event->accept();
 }