qfontcombobox.cpp File Reference

#include "qfontcombobox.h"
#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>
#include "qfontcombobox.moc"
#include "moc_qfontcombobox.cpp"

Go to the source code of this file.

Classes
class	QFontComboBoxPrivate
class	QFontFamilyDelegate

Functions
static QFontDatabase::WritingSystem	writingSystemForFont (const QFont &font, bool *hasLatin)

Function Documentation

writingSystemForFont()

static QFontDatabase::WritingSystem writingSystemForFont ( const QFont &  font, bool *  hasLatin  )

static

Definition at line 57 of file qfontcombobox.cpp.

Referenced by QFontFamilyDelegate::paint().

{
    *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;
    }

    if (writingSystems.count() <= 2
        && writingSystems.last() > QFontDatabase::Armenian
        && writingSystems.last() < QFontDatabase::Vietnamese) {
        system = writingSystems.last();
        return system;
    }

    if (writingSystems.count() <= 5
        && writingSystems.last() >= QFontDatabase::SimplifiedChinese
        && writingSystems.last() <= QFontDatabase::Korean)
        system = writingSystems.last();

    return system;
}