QLineEdit doesn't stretch to occupy full space in the layout



  • Hello,

    I have a an application which uses a QLineEdit in a QGridLayout to display/edit some text. The following piece of is what I use to construct and add the widget into the layout.

    // ...
    QLineEdit *edit = new QLineEdit;
    edit->setReadOnly(true);
    edit->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Maximum);
    edit->setAlignment(Qt::AlignCenter);
    
    // ...
    
    QGridLayout *layout = new QGridLayout;
    layout->addWidget(promptLabel, 0, 0, 1, 1, Qt::AlignLeft);
    layout->addWidget(new QLabel(""), 0, 1, 1, 1);
    layout->addWidget(edit, 0, 2, 1, 2, Qt::AlignLeft);
    layout->addWidget(new QLabel(""), 0, 4, 1, 1);
    layout->addWidget(selector, 0, 5, 1, 1, Qt::AlignLeft); 
    
    // ...
    

    This is how the output looks. http://imgur.com/AHgIVi2

    I have set the horizontal stretch factor to 1 using the setHorizontalStretch function, but it didn't help. Note that this layout is part of another large layout with a few more widgets and my main widget's layout is governed via layouts (i.e., no fixed size provided).

    Any help would be much appreciated.



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