QGridLayoutBox Class Reference

#include <qgridlayoutengine_p.h>

Public Functions
void	add (const QGridLayoutBox &other, int stretch, qreal spacing)
void	combine (const QGridLayoutBox &other)
void	dump (int indent=0) const
void	normalize ()
qreal &	q_sizes (int which)
const qreal &	q_sizes (int which) const
	QGridLayoutBox ()

Public Variables
qreal	q_maximumSize
qreal	q_minimumAscent
qreal	q_minimumDescent
qreal	q_minimumSize
qreal	q_preferredSize

Detailed Description

Definition at line 139 of file qgridlayoutengine_p.h.

Constructors and Destructors

QGridLayoutBox()

QGridLayoutBox::QGridLayoutBox ( )

inline

Definition at line 142 of file qgridlayoutengine_p.h.

Referenced by QGridLayoutRowData::reset().

        : q_minimumSize(0), q_preferredSize(0), q_maximumSize(FLT_MAX),
          q_minimumDescent(-1), q_minimumAscent(-1) {}

Functions

add()

void QGridLayoutBox::add	(	const QGridLayoutBox &	other,
		int	stretch,
		qreal	spacing
	)

Definition at line 102 of file qgridlayoutengine.cpp.

Referenced by QGridLayoutRowData::totalBox().

{
    Q_ASSERT(q_minimumDescent < 0.0);

    q_minimumSize += other.q_minimumSize + spacing;
    q_preferredSize += other.q_preferredSize + spacing;
    q_maximumSize += ((stretch == 0) ? other.q_preferredSize : other.q_maximumSize) + spacing;
}

combine()

void QGridLayoutBox::combine

(

const QGridLayoutBox &

other

)

Definition at line 111 of file qgridlayoutengine.cpp.

Referenced by QGridLayoutEngine::fillRowData().

{
    q_minimumDescent = qMax(q_minimumDescent, other.q_minimumDescent);
    q_minimumAscent = qMax(q_minimumAscent, other.q_minimumAscent);

    q_minimumSize = qMax(q_minimumAscent + q_minimumDescent,
                         qMax(q_minimumSize, other.q_minimumSize));
    qreal maxMax;
    if (q_maximumSize == FLT_MAX && other.q_maximumSize != FLT_MAX)
        maxMax = other.q_maximumSize;
    else if (other.q_maximumSize == FLT_MAX && q_maximumSize != FLT_MAX)
        maxMax = q_maximumSize;
    else
        maxMax = qMax(q_maximumSize, other.q_maximumSize);

    q_maximumSize = qMax(q_minimumSize, maxMax);
    q_preferredSize = qBound(q_minimumSize, qMax(q_preferredSize, other.q_preferredSize),
                             q_maximumSize);
}

dump()

void QGridLayoutBox::dump

(

int

indent = 0

)

const

Definition at line 142 of file qgridlayoutengine.cpp.

{
    qDebug("%*sBox (%g <= %g <= %g [%g/%g])", indent, "", q_minimumSize, q_preferredSize,
           q_maximumSize, q_minimumAscent, q_minimumDescent);
}

normalize()

void QGridLayoutBox::normalize

(

)

Definition at line 131 of file qgridlayoutengine.cpp.

Referenced by QGridLayoutEngine::fillRowData().

{
    q_maximumSize = qMax(qreal(0.0), q_maximumSize);
    q_minimumSize = qBound(qreal(0.0), q_minimumSize, q_maximumSize);
    q_preferredSize = qBound(q_minimumSize, q_preferredSize, q_maximumSize);
    q_minimumDescent = qMin(q_minimumDescent, q_minimumSize);

    Q_ASSERT((q_minimumDescent < 0.0) == (q_minimumAscent < 0.0));
}

q_sizes() [1/2]

qreal& QGridLayoutBox::q_sizes ( int  which )

inline

Definition at line 160 of file qgridlayoutengine_p.h.

Referenced by compare(), QGridLayoutRowData::distributeMultiCells(), operator==(), and QGridLayoutRowData::stealBox().

    {
        qreal *t;
        switch (which) {
        case Qt::MinimumSize:
            t = &q_minimumSize;
            break;
        case Qt::PreferredSize:
            t = &q_preferredSize;
            break;
        case Qt::MaximumSize:
            t = &q_maximumSize;
            break;
        case Qt::MinimumDescent:
            t = &q_minimumDescent;
            break;
        case (Qt::MinimumDescent + 1):
            t = &q_minimumAscent;
            break;
        default:
            t = 0;
            break;
        }
        return *t;
    }

q_sizes() [2/2]

const qreal& QGridLayoutBox::q_sizes ( int  which ) const

inline

Definition at line 185 of file qgridlayoutengine_p.h.

    {
        const qreal *t;
        switch (which) {
        case Qt::MinimumSize:
            t = &q_minimumSize;
            break;
        case Qt::PreferredSize:
            t = &q_preferredSize;
            break;
        case Qt::MaximumSize:
            t = &q_maximumSize;
            break;
        case Qt::MinimumDescent:
            t = &q_minimumDescent;
            break;
        case (Qt::MinimumDescent + 1):
            t = &q_minimumAscent;
            break;
        default:
            t = 0;
            break;
        }
        return *t;
    }

Properties

q_maximumSize

qreal QGridLayoutBox::q_maximumSize

Definition at line 157 of file qgridlayoutengine_p.h.

Referenced by add(), QGridLayoutItem::box(), QGridLayoutRowData::calculateGeometries(), combine(), dump(), QGridLayoutEngine::fillRowData(), normalize(), and QGridLayoutRowData::totalBox().

q_minimumAscent

qreal QGridLayoutBox::q_minimumAscent

Definition at line 159 of file qgridlayoutengine_p.h.

Referenced by QGridLayoutItem::box(), QGridLayoutRowData::calculateGeometries(), combine(), dump(), QGridLayoutEngine::fillRowData(), normalize(), and operator==().

q_minimumDescent

qreal QGridLayoutBox::q_minimumDescent

Definition at line 158 of file qgridlayoutengine_p.h.

Referenced by add(), QGridLayoutItem::box(), QGridLayoutRowData::calculateGeometries(), combine(), dump(), QGridLayoutEngine::fillRowData(), QGridLayoutItem::geometryWithin(), normalize(), and operator==().

q_minimumSize

qreal QGridLayoutBox::q_minimumSize

Definition at line 155 of file qgridlayoutengine_p.h.

Referenced by add(), QGridLayoutItem::box(), QGridLayoutRowData::calculateGeometries(), combine(), dump(), QGridLayoutEngine::fillRowData(), QGridLayoutItem::geometryWithin(), and normalize().

q_preferredSize

qreal QGridLayoutBox::q_preferredSize

Definition at line 156 of file qgridlayoutengine_p.h.

Referenced by add(), QGridLayoutItem::box(), QGridLayoutRowData::calculateGeometries(), combine(), dump(), QGridLayoutEngine::fillRowData(), and normalize().

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The documentation for this class was generated from the following files:

• /src/gui/graphicsview/qgridlayoutengine_p.h
• /src/gui/graphicsview/qgridlayoutengine.cpp