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Thread: QGridStarLayout - A Qt grid layout identical to WPF's star sized grid

  1. #1
    Join Date
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    Default QGridStarLayout - A Qt grid layout identical to WPF's star sized grid

    Hey folks, I've had to go about designing my own layout that worked as a clone of WPF's Grid with "star sizing" capabilities, so I've done just that.

    For more information on how star sizing works, please refer to this Stack Overflow post:
    http://stackoverflow.com/questions/1...r-do-width-100

    Example usage:
    Qt Code:
    1. QGridDefinition mainGridDef;
    2.  
    3. mainGridDef.RowDefinition(0.03f);
    4. mainGridDef.RowDefinition(0.08f);
    5. mainGridDef.RowDefinition(0.94f);
    6. mainGridDef.RowDefinition(0.08f);
    7. mainGridDef.RowDefinition(0.03f);
    8.  
    9. mainGridDef.ColumnDefinition(0.03f);
    10. mainGridDef.ColumnDefinition(0.2f);
    11. mainGridDef.ColumnDefinition(0.03f);
    12. mainGridDef.ColumnDefinition();
    13.  
    14. QGridStarLayout *mainGrid = new QGridStarLayout(mainGridDef);
    15.  
    16. mainGrid->addWidget(new QPushButton("Test"), 1, 1);
    17. mainGrid->addWidget(new QPushButton("Test"), 3, 1);
    18.  
    19. QGridDefinition subGridDef;
    20.  
    21. subGridDef.RowDefinition(0.03f);
    22. subGridDef.RowDefinition(0.15f);
    23. subGridDef.RowDefinition();
    24. subGridDef.RowDefinition(0.03f);
    25.  
    26. subGridDef.ColumnDefinition(0.2f);
    27. subGridDef.ColumnDefinition(0.5f);
    28. subGridDef.ColumnDefinition(0.2f);
    29.  
    30. QGridStarLayout *subGrid = new QGridStarLayout(subGridDef);
    31.  
    32. subGrid->addWidget(new QScrollBar(Qt::Orientation::Horizontal), 1, 1);
    33.  
    34. mainGrid->addLayout(subGrid, 0, 3, 5);
    35.  
    36. centralWidget()->setLayout(mainGrid);
    To copy to clipboard, switch view to plain text mode 

    An imgur album detailing the above code and their definitions (blue is mainGrid, red is subGrid):
    http://imgur.com/a/aZDiH

    Source: https://github.com/Tannz0rz/QGridStarLayout

    Furthermore, if you see where the layout can be optimized, feel free to fork the repo and apply any necessary changes.

    Regards,
    Tannz0rz

  2. #2
    Join Date
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    Default Re: QGridStarLayout - A Qt grid layout identical to WPF's star sized grid

    Nice work!

    Though I would recommend to follow Qt's style for naming methods, i.e. start with a lower case letter and probably name them in a way they say what they are doing.
    E.g. addRowDefinition() if it adds the definition of a new row. At least that is what it looks like.

    Also it is usually not a good idea to call a custom class QSomething, that makes it look like a class from Qt and gets people confused when they can't find it in the documentation.

    Cheers,
    _

  3. #3
    Join Date
    Nov 2015
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    MacOS X Windows

    Default Re: QGridStarLayout - A Qt grid layout identical to WPF's star sized grid

    Thank you for the suggestions! I'll fix the naming conventions soon.

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