source: trunk/src/gui/widgets/qfontcombobox.cpp@ 64

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#include "qfontcombobox.h"

#ifndef QT_NO_FONTCOMBOBOX

#include <qstringlistmodel.h>
#include <qitemdelegate.h>
#include <qlistview.h>
#include <qpainter.h>
#include <qevent.h>
#include <qapplication.h>
#include <private/qcombobox_p.h>
#include <qdebug.h>

QT_BEGIN_NAMESPACE

static QFontDatabase::WritingSystem writingSystemForFont(const QFont &font, bool *hasLatin)
{
    *hasLatin = true;

    QList<QFontDatabase::WritingSystem> writingSystems = QFontDatabase().writingSystems(font.family());
//     qDebug() << font.family() << writingSystems;

    // this just confuses the algorithm below. Vietnamese is Latin with lots of special chars
    writingSystems.removeAll(QFontDatabase::Vietnamese);

    QFontDatabase::WritingSystem system = QFontDatabase::Any;

    if (!writingSystems.contains(QFontDatabase::Latin)) {
        *hasLatin = false;
        // we need to show something
        if (writingSystems.count())
            system = writingSystems.last();
    } else {
        writingSystems.removeAll(QFontDatabase::Latin);
    }

    if (writingSystems.isEmpty())
        return system;

    if (writingSystems.count() == 1 && writingSystems.at(0) > QFontDatabase::Cyrillic) {
        system = writingSystems.at(0);
        return system;
    }