QwtPlot Mouse Event

Hai
In my Project, I have a Main Widget in that QWT Plot Widget and some other widgets [QList ..].
I can get the MouseMoveEvent of my MainWidget but not able to get QWTPlot MouseMoveEvent.

suggestion please

Code:

---

void MainPlot::mousePressEvent(QMouseEvent *event)       // this is my MainWidget called MainPlot
{
------
------
}

---

and
my QWTPLOT Mouse Event is

Code:

---

void MainPlot::ui->uPlot->mouseMoveEvent(QMouseEvent *)    // Uplot is my QWTPLOT widget
{
// some code
    ------------------
    -------------------
 
}

---

See https://www.qtcentre.org/showthread.php?t=31374 for answer.

Hai

Thanks for ur reply

I am trying like this using event filter

Code:

---

legend->InstallEventFilter(this);
 
 
bool MainPlot::eventFilter(QObject *Object, QEvent *Event)
{
if(Object==ui->uPlot->legend())
  {
      if(Event->type()==QEvent::MouseMove)
      {
          QMouseEvent *a=static_cast<QMouseEvent*>(Event);
          MainPlot::ui->uPlot->legend()->setFrameStyle(QFrame::Box);         
  MainPlot::ui->uPlot->legend()->setGeometry(a->x(),a->y(),ui->uPlot->legend()->width(),ui->uPlot->legend()->height());
      }
  }
}

---

The legend widget is moving but not properly..

any suggestion pl.



by
Suree
INdia

Quote:

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Originally Posted by umulingu

The legend widget is moving but not properly..

---

First, you need to tell your legend to be an external legend so that it hovers over the canvas.

Code:

---

uplot->insertLegend(_legend, QwtPlot::ExternalLegend);

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Second, use move instead of setGeometry ...

Code:

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uPlot->legend()->move(a->pos());

---

That should make it move right.