1 #ifndef PLLAYOUT_H

     2 #define PLLAYOUT_H

     3 

     4 #include <QLayout>

     5 #include <QResizeEvent>

     6 

     7 

     8 

     9 

    10 class PLLayout : public QLayout

    11 {

    12     Q_OBJECT

    13 

    14 public:

    15     PLLayout();

    16     ~PLLayout();

    17     //the main API methods

    18     int setLLayout(QLayout *clientlayout);

    19     int setPLayout(QLayout *clientlayout);

    20     void activatePLayout();

    21     void activateLLayout();

    22     //re-implementation of QLayout Methods, as needed

    23     void addItem(QLayoutItem *item);

    24     QSize sizeHint() const;

    25     QSize minimumSize() const;

    26     void setGeometry(const QRect &rect);

    27     bool hasHeightForWidth() const;

    28     int heightForWidth( int ) const;

    29     QLayoutItem * itemAt(int index ) const;

    30     QLayoutItem * takeAt ( int index );

    31     int count() const;

    32 

    33     //a convenience method for the parent widgets event handler

    34     void resizeEvent(QResizeEvent* event);

    35 

    36 protected:

    37     //these two may be promoted to public, when extending to more generic use cases

    38     void activateLayout(int idx);

    39     int newLayout(QLayout *clientlayout);

    40 

    41 private:

    42 

    43     QList<QLayout*> m_layoutList;

    44     int m_numOfClients;

    45     int m_currentLayoutIdx;

    46 

    47     int m_portraitLayoutIdx;

    48     int m_landscapeLayoutIdx;

    49     int getLayoutIdx()const ;

    50 

    51     bool m_hasPLayout;

    52     bool m_hasLLayout;

    53     bool m_isPLayout;

    54     bool m_isLLayout;

    55 

    56     void redrawParent();

    57 };

    58 

    59 #endif // PLLAYOUT_H