QxtHeaderView Class Reference [QxtGui]

An extended QHeaderView with optionally proportional section sizes. More...

#include <qxtheaderview.h>

Collaboration diagram for QxtHeaderView:

List of all members.

Public Member Functions
	QxtHeaderView (Qt::Orientation orientation, QWidget *parent=0)
bool	hasProportionalSectionSizes () const
void	setProportionalSectionSizes (bool enabled)
int	sectionStretchFactor (int logicalIndex) const
void	setSectionStretchFactor (int logicalIndex, int factor)
Protected Member Functions
void	resizeEvent (QResizeEvent *event)
Properties
bool	proportionalSectionSizes
Friends
class	QxtHeaderViewPrivate

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Detailed Description

An extended QHeaderView with optionally proportional section sizes.

Definition at line 34 of file qxtheaderview.h.

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Constructor & Destructor Documentation

QxtHeaderView::QxtHeaderView	(	Qt::Orientation	orientation,
		QWidget *	parent = 0
	)		[explicit]

Constructs a new QxtHeaderView with orientation and parent.

Definition at line 52 of file qxtheaderview.cpp.

References QXT_INIT_PRIVATE.

        : QHeaderView(orientation, parent)
{
    QXT_INIT_PRIVATE(QxtHeaderView);
}

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Member Function Documentation

bool QxtHeaderView::hasProportionalSectionSizes

(

)

const

Definition at line 68 of file qxtheaderview.cpp.

{
    return qxt_d().proportional;
}

void QxtHeaderView::resizeEvent

(

QResizeEvent *

event )

[protected]

Definition at line 106 of file qxtheaderview.cpp.

{
    QHeaderView::resizeEvent(event);
    if (qxt_d().proportional)
    {
        int total = 0;
        for (int i = 0; i < count(); ++i)
            total += qxt_d().factors.value(i, 1);

        int totalSize = 0;
        for (int i = 0; i < count() - 1; ++i)
        {
            qreal factor = qxt_d().factors.value(i, 1) / static_cast<qreal>(total);
            int sectionSize = factor * (orientation() == Qt::Horizontal ? width() : height());
            sectionSize = qMax(minimumSectionSize(), sectionSize);
            resizeSection(i, sectionSize);
            totalSize += sectionSize;
        }
        // avoid rounding errors, give rest to the last section
        resizeSection(count() - 1, width() - totalSize);
    }
}

int QxtHeaderView::sectionStretchFactor

(

int

logicalIndex )

const

Returns the stretch factor of the section at logicalIndex.

See also:

setSectionStretchFactor()

Definition at line 88 of file qxtheaderview.cpp.

{
    return qxt_d().factors.value(logicalIndex);
}

void QxtHeaderView::setProportionalSectionSizes

(

bool

enabled )

Definition at line 73 of file qxtheaderview.cpp.

{
    if (qxt_d().proportional != enabled)
    {
        qxt_d().proportional = enabled;
        if (enabled)
            setResizeMode(QHeaderView::Fixed);
    }
}

void QxtHeaderView::setSectionStretchFactor	(	int	logicalIndex,
		int	factor
	)

Sets the stretch factor of the section at logicalIndex.

See also:

sectionStretchFactor()

Definition at line 98 of file qxtheaderview.cpp.

{
    qxt_d().factors.insert(logicalIndex, factor);
}

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Friends And Related Function Documentation

friend class QxtHeaderViewPrivate [friend]

Definition at line 37 of file qxtheaderview.h.

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Property Documentation

bool QxtHeaderView::proportionalSectionSizes [read, write]

Definition at line 37 of file qxtheaderview.h.

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

• qxtheaderview.h
• qxtheaderview.cpp