| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Quick 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 The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/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 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "qquickfontlistmodel_p.h" |
| #include <QtGui/qfontdatabase.h> |
| #include <QtQml/qqmlcontext.h> |
| #include <QtQml/qqml.h> |
| #include <QtQml/qqmlengine.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QQuickFontListModelPrivate |
| { |
| Q_DECLARE_PUBLIC(QQuickFontListModel) |
| |
| public: |
| QQuickFontListModelPrivate(QQuickFontListModel *q) |
| : q_ptr(q), ws(QFontDatabase::Any) |
| , options(QFontDialogOptions::create()) |
| {} |
| |
| 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(); |
| for (QFontDatabase::WritingSystem ws : qAsConst(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(); |
| const auto families = d->db.families(d->ws); |
| for (const QString &family : families) { |
| 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); |
| |
| QJSEngine *engine = qmlEngine(this); |
| |
| if (idx < 0 || idx >= count()) |
| return engine->newObject(); |
| |
| QJSValue result = engine->newObject(); |
| int count = d->roleNames.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() |
| { |
| QJSEngine *engine = qmlEngine(this); |
| |
| 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 |