qtextoption.cpp

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#include "qtextoption.h"
#include "qapplication.h"
#include "qlist.h"

QT_BEGIN_NAMESPACE

struct QTextOptionPrivate
{
    QList<QTextOption::Tab> tabStops;
};

QTextOption::QTextOption()
    : align(Qt::AlignLeft),
      wordWrap(QTextOption::WordWrap),
      design(false),
      unused(0),
      f(0),
      tab(-1),
      d(0)
{
    direction = Qt::LayoutDirectionAuto;
}

QTextOption::QTextOption(Qt::Alignment alignment)
    : align(alignment),
      wordWrap(QTextOption::WordWrap),
      design(false),
      unused(0),
      f(0),
      tab(-1),
      d(0)
{
    direction = QApplication::layoutDirection();
}

QTextOption::~QTextOption()
{
    delete d;
}

QTextOption::QTextOption(const QTextOption &o)
    : align(o.align),
      wordWrap(o.wordWrap),
      design(o.design),
      direction(o.direction),
      unused(o.unused),
      f(o.f),
      tab(o.tab),
      d(0)
{
    if (o.d)
        d = new QTextOptionPrivate(*o.d);
}

QTextOption &QTextOption::operator=(const QTextOption &o)
{
    if (this == &o)
        return *this;

    QTextOptionPrivate* dNew = 0;
    if (o.d)
        dNew = new QTextOptionPrivate(*o.d);
    delete d;
    d = dNew;

    align = o.align;
    wordWrap = o.wordWrap;
    design = o.design;
    direction = o.direction;
    unused = o.unused;
    f = o.f;
    tab = o.tab;
    return *this;
}

void QTextOption::setTabArray(QList<qreal> tabStops) // Qt5: const ref
{
    if (!d)
        d = new QTextOptionPrivate;
    QList<QTextOption::Tab> tabs;
    QTextOption::Tab tab;
    foreach (qreal pos, tabStops) {
        tab.position = pos;
        tabs.append(tab);
    }
    d->tabStops = tabs;
}

void QTextOption::setTabs(QList<QTextOption::Tab> tabStops) // Qt5: const ref
{
    if (!d)
        d = new QTextOptionPrivate;
    d->tabStops = tabStops;
}

QList<qreal> QTextOption::tabArray() const
{
    if (!d)
        return QList<qreal>();

    QList<qreal> answer;
    QList<QTextOption::Tab>::ConstIterator iter = d->tabStops.constBegin();
    while(iter != d->tabStops.constEnd()) {
        answer.append( (*iter).position);
        ++iter;
    }
    return answer;
}


QList<QTextOption::Tab> QTextOption::tabs() const
{
    if (!d)
        return QList<QTextOption::Tab>();
    return d->tabStops;
}

QT_END_NAMESPACE