Help on QDialog Position

[M_31]

when i press the Parent Window's PushButton
i want to show the child dialog window exactly below my pushButton of the Parent Dialog Window,
May i know how to set the position of the Child dialog to fit below the pushButton , even when the Parent dialog is Maximed or Restored.
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Parent Dialog

	pushBtn
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[Guest]

What about getting PushButton's @pos()@ value (QPoint), then setting the new window's position appropriately, like @QWidget::move (QPoint.x, QPoint.y);@ ??

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[giesbert]

If the new window is a top level window, you have to use global coordinates.
that means:

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CMyDialog dlg;
dlg.show();

QPoint ptGlobal = ui->pushButton->mapToGlobal(QPoint(0, ui->pushButton->height()));
QPoint ptLeftTop = mapToGlobal(QPoint(0,0));
QPoint ptFrame = frameGeometry().topLeft();
ptGlobal += (ptLeftTop - ptFrame); // add border size
dlg.setGeometry(QRect(ptGlobal, dlg.size()));

dlg.exec();

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