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Diffstat (limited to 'src/imports/dialogs-private/qquickfontlistmodel.cpp')
| -rw-r--r-- | src/imports/dialogs-private/qquickfontlistmodel.cpp | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/src/imports/dialogs-private/qquickfontlistmodel.cpp b/src/imports/dialogs-private/qquickfontlistmodel.cpp new file mode 100644 index 0000000000..54ce700238 --- /dev/null +++ b/src/imports/dialogs-private/qquickfontlistmodel.cpp @@ -0,0 +1,276 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the QtQuick.Dialogs module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qquickfontlistmodel_p.h" +#include <QtGui/qfontdatabase.h> +#include <QtQml/qqml.h> +#include <QtQml/qqmlcontext.h> +#include <QtQml/qqmlengine.h> +#include <QtQml/qjsengine.h> + +QT_BEGIN_NAMESPACE + +class QQuickFontListModelPrivate +{ + Q_DECLARE_PUBLIC(QQuickFontListModel) + +public: + QQuickFontListModelPrivate(QQuickFontListModel *q) + : q_ptr(q), ws(QFontDatabase::Any) + , options(QSharedPointer<QFontDialogOptions>(new QFontDialogOptions())) + {} + + QQuickFontListModel *q_ptr; + QFontDatabase db; + QFontDatabase::WritingSystem ws; + QSharedPointer<QFontDialogOptions> options; + QStringList families; + QHash<int, QByteArray> roleNames; + ~QQuickFontListModelPrivate() {} + void init(); +}; + + +void QQuickFontListModelPrivate::init() +{ + Q_Q(QQuickFontListModel); + + families = db.families(); + + emit q->rowCountChanged(); + emit q->writingSystemChanged(); +} + +QQuickFontListModel::QQuickFontListModel(QObject *parent) + : QAbstractListModel(parent), d_ptr(new QQuickFontListModelPrivate(this)) +{ + Q_D(QQuickFontListModel); + d->roleNames[FontFamilyRole] = "family"; + d->init(); +} + +QQuickFontListModel::~QQuickFontListModel() +{ +} + +QVariant QQuickFontListModel::data(const QModelIndex &index, int role) const +{ + Q_D(const QQuickFontListModel); + QVariant rv; + + if (index.row() >= d->families.size()) + return rv; + + switch (role) + { + case FontFamilyRole: + rv = d->families.at(index.row()); + break; + default: + break; + } + return rv; +} + +QHash<int, QByteArray> QQuickFontListModel::roleNames() const +{ + Q_D(const QQuickFontListModel); + return d->roleNames; +} + +int QQuickFontListModel::rowCount(const QModelIndex &parent) const +{ + Q_D(const QQuickFontListModel); + Q_UNUSED(parent); + return d->families.size(); +} + +QModelIndex QQuickFontListModel::index(int row, int , const QModelIndex &) const +{ + return createIndex(row, 0); +} + +QString QQuickFontListModel::writingSystem() const +{ + Q_D(const QQuickFontListModel); + return QFontDatabase::writingSystemName(d->ws); +} + +void QQuickFontListModel::setWritingSystem(const QString &wSystem) +{ + Q_D(QQuickFontListModel); + + if (wSystem == writingSystem()) + return; + + QList<QFontDatabase::WritingSystem> wss; + wss << QFontDatabase::Any; + wss << d->db.writingSystems(); + QFontDatabase::WritingSystem ws; + foreach (ws, wss) { + if (wSystem == QFontDatabase::writingSystemName(ws)) { + d->ws = ws; + updateFamilies(); + return; + } + } +} + +void QQuickFontListModel::updateFamilies() +{ + Q_D(QQuickFontListModel); + + beginResetModel(); + const QFontDialogOptions::FontDialogOptions scalableMask = (QFontDialogOptions::FontDialogOptions)(QFontDialogOptions::ScalableFonts | QFontDialogOptions::NonScalableFonts); + const QFontDialogOptions::FontDialogOptions spacingMask = (QFontDialogOptions::FontDialogOptions)(QFontDialogOptions::ProportionalFonts | QFontDialogOptions::MonospacedFonts); + const QFontDialogOptions::FontDialogOptions options = d->options->options(); + + d->families.clear(); + foreach (const QString &family, d->db.families(d->ws)) { + if ((options & scalableMask) && (options & scalableMask) != scalableMask) { + if (bool(options & QFontDialogOptions::ScalableFonts) != d->db.isSmoothlyScalable(family)) + continue; + } + if ((options & spacingMask) && (options & spacingMask) != spacingMask) { + if (bool(options & QFontDialogOptions::MonospacedFonts) != d->db.isFixedPitch(family)) + continue; + } + d->families << family; + } + endResetModel(); +} + +bool QQuickFontListModel::scalableFonts() const +{ + Q_D(const QQuickFontListModel); + return d->options->testOption(QFontDialogOptions::ScalableFonts); +} + +bool QQuickFontListModel::nonScalableFonts() const +{ + Q_D(const QQuickFontListModel); + return d->options->testOption(QFontDialogOptions::NonScalableFonts); +} + +bool QQuickFontListModel::monospacedFonts() const +{ + Q_D(const QQuickFontListModel); + return d->options->testOption(QFontDialogOptions::MonospacedFonts); +} + +bool QQuickFontListModel::proportionalFonts() const +{ + Q_D(const QQuickFontListModel); + return d->options->testOption(QFontDialogOptions::ProportionalFonts); +} + +QJSValue QQuickFontListModel::get(int idx) const +{ + Q_D(const QQuickFontListModel); + + QQmlEngine *engine = qmlContext(this)->engine(); + + if (idx < 0 || idx >= count()) + return engine->newObject(); + + QJSValue result = engine->newObject(); + int count = d->roleNames.keys().count(); + for (int i = 0; i < count; ++i) + result.setProperty(QString(d->roleNames[Qt::UserRole + i + 1]), data(index(idx, 0), Qt::UserRole + i + 1).toString()); + + return result; +} + +QJSValue QQuickFontListModel::pointSizes() +{ + QQmlEngine *engine = qmlContext(this)->engine(); + + QList<int> pss = QFontDatabase::standardSizes(); + int size = pss.size(); + + QJSValue result = engine->newArray(size); + for (int i = 0; i < size; ++i) + result.setProperty(i, pss.at(i)); + + return result; +} + +void QQuickFontListModel::classBegin() +{ +} + +void QQuickFontListModel::componentComplete() +{ +} + +void QQuickFontListModel::setScalableFonts(bool arg) +{ + Q_D(QQuickFontListModel); + d->options->setOption(QFontDialogOptions::ScalableFonts, arg); + updateFamilies(); + emit scalableFontsChanged(); +} + +void QQuickFontListModel::setNonScalableFonts(bool arg) +{ + Q_D(QQuickFontListModel); + d->options->setOption(QFontDialogOptions::NonScalableFonts, arg); + updateFamilies(); + emit nonScalableFontsChanged(); +} + +void QQuickFontListModel::setMonospacedFonts(bool arg) +{ + Q_D(QQuickFontListModel); + d->options->setOption(QFontDialogOptions::MonospacedFonts, arg); + updateFamilies(); + emit monospacedFontsChanged(); +} + +void QQuickFontListModel::setProportionalFonts(bool arg) +{ + Q_D(QQuickFontListModel); + d->options->setOption(QFontDialogOptions::ProportionalFonts, arg); + updateFamilies(); + emit proportionalFontsChanged(); +} + +QT_END_NAMESPACE |