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Thread: QAbstractItemView::entered signal does not fire for QTreeView row when row has widget

  1. #1
    Join Date
    Feb 2019
    Posts
    2
    Qt products
    Qt5
    Platforms
    Windows

    Default Re: QAbstractItemView::entered signal does not fire for QTreeView row when row has wi

    When I add a widget to a row in a QTreeView using setIndexWidget(), the QAbstractItemView::entered signal, used to detect when the mouse hovers over a row, does not fire unless the mouse is over the part of the row that the QWidget does not occupy.

    See picture below that shows 3 rows.

    hovermodel.PNG

    When the mouse enters the white space it works, but if it enters the green space (the QWidget) it does not. How do I fix this?

    This is how the QWidget is put in the row. The QWidget is necessary because I need a clickable button in each row

    Qt Code:
    1. CustomItem* item= new CustomItem(_uiDoc, *sketch);
    2. parent->appendRow(item);
    3. setIndexWidget(item->index(), item->GetWidget());
    To copy to clipboard, switch view to plain text mode 


    Added after 1 15 minutes:


    This was the soluton
    Qt Code:
    1. item->GetWidget()->setAttribute(Qt::WA_TransparentForMouseEvents);
    To copy to clipboard, switch view to plain text mode 
    Last edited by Dkrii; 7th February 2019 at 21:57.

  2. #2
    Join Date
    Feb 2019
    Posts
    2
    Qt products
    Qt5
    Platforms
    Windows

    Default Re: QAbstractItemView::entered signal does not fire for QTreeView row when row has wi

    Quote Originally Posted by Dkrii View Post
    When I add a widget to a row in a QTreeView using setIndexWidget(), the QAbstractItemView::entered signal, used to detect when the mouse hovers over a row, does not fire unless the mouse is over the part of the row that the QWidget does not occupy.

    See picture below that shows 3 rows.

    hovermodel.PNG

    When the mouse enters the white space it works, but if it enters the green space (the QWidget) it does not. How do I fix this?

    This is how the QWidget is put in the row. The QWidget is necessary because I need a clickable button in each row

    Qt Code:
    1. CustomItem* item= new CustomItem(_uiDoc, *sketch);
    2. parent->appendRow(item);
    3. setIndexWidget(item->index(), item->GetWidget());
    To copy to clipboard, switch view to plain text mode 


    Added after 1 15 minutes:


    This was the soluton
    Qt Code:
    1. item->GetWidget()->setAttribute(Qt::WA_TransparentForMouseEvents);
    To copy to clipboard, switch view to plain text mode 

    nevermind, that made the widget then unusable.

  3. #3
    Join Date
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    Bremen, Germany
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    413
    Thanked 54 Times in 50 Posts
    Qt products
    Qt3 Qt4
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    Default Re: QAbstractItemView::entered signal does not fire for QTreeView row when row has wi

    Quote Originally Posted by Dkrii View Post
    nevermind, that made the widget then unusable.
    And that's the reason why the view does not get events - the widget needs it and doesn't pass it to the view. You have to do it on your own. E.g. by reimplementing QWidget::focusInEvent()

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