| /*************************************************************************** |
| ** |
| ** Copyright (C) 2017 The Qt Company Ltd. |
| ** Copyright (C) 2013 BlackBerry Limited. All rights reserved. |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Quick Controls 2 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 |
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| ** 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 "qquickstyleselector_p.h" |
| #include "qquickstyleselector_p_p.h" |
| |
| #include <QtCore/qfileinfo.h> |
| #include <QtCore/qlocale.h> |
| #include <QtCore/qloggingcategory.h> |
| #include <QtCore/private/qfileselector_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| Q_LOGGING_CATEGORY(lcQtQuickControlsStyle, "qt.quick.controls.style") |
| |
| static QString ensureSlash(const QString &path) |
| { |
| if (path.isEmpty() || path.endsWith(QLatin1Char('/'))) |
| return path; |
| return path + QLatin1Char('/'); |
| } |
| |
| static QStringList prefixedPlatformSelectors(const QChar &prefix) |
| { |
| QStringList selectors = QFileSelectorPrivate::platformSelectors(); |
| for (int i = 0; i < selectors.count(); ++i) |
| selectors[i].prepend(prefix); |
| return selectors; |
| } |
| |
| static QStringList allSelectors() |
| { |
| static const QStringList platformSelectors = prefixedPlatformSelectors(QLatin1Char('+')); |
| QStringList selectors = platformSelectors; |
| const QString locale = QLocale().name(); |
| if (!locale.isEmpty()) |
| selectors += QLatin1Char('+') + locale; |
| return selectors; |
| } |
| |
| QUrl QQuickStyleSelectorPrivate::select(const QString &filePath) const |
| { |
| QFileInfo fi(filePath); |
| // If file doesn't exist, don't select |
| if (!fi.exists()) |
| return QUrl(); |
| |
| const QString selected = QFileSelectorPrivate::selectionHelper(ensureSlash(fi.canonicalPath()), |
| fi.fileName(), allSelectors(), QChar()); |
| |
| if (selected.startsWith(QLatin1Char(':'))) |
| return QUrl(QLatin1String("qrc") + selected); |
| |
| return QUrl::fromLocalFile(selected.isEmpty() ? filePath : selected); |
| } |
| |
| QQuickStyleSelector::QQuickStyleSelector() : d_ptr(new QQuickStyleSelectorPrivate) |
| { |
| } |
| |
| QQuickStyleSelector::~QQuickStyleSelector() |
| { |
| } |
| |
| QStringList QQuickStyleSelector::selectors() const |
| { |
| Q_D(const QQuickStyleSelector); |
| return d->selectors; |
| } |
| |
| void QQuickStyleSelector::addSelector(const QString &selector) |
| { |
| Q_D(QQuickStyleSelector); |
| if (d->selectors.contains(selector)) |
| return; |
| |
| d->selectors += selector; |
| } |
| |
| QStringList QQuickStyleSelector::paths() const |
| { |
| Q_D(const QQuickStyleSelector); |
| return d->paths; |
| } |
| |
| void QQuickStyleSelector::setPaths(const QStringList &paths) |
| { |
| Q_D(QQuickStyleSelector); |
| d->paths = paths; |
| } |
| |
| QUrl QQuickStyleSelector::select(const QString &fileName) const |
| { |
| Q_D(const QQuickStyleSelector); |
| // The lookup order is |
| // 1) requested style (e.g. "MyStyle", included in d->selectors) |
| // 2) fallback style (e.g. "Material", included in d->selectors) |
| // 3) default style (empty selector, not in d->selectors) |
| qCDebug(lcQtQuickControlsStyle) << "selecting" << fileName << "from" << d->paths << "with selectors" << d->selectors; |
| |
| int to = d->selectors.count() - 1; |
| if (d->selectors.isEmpty() || !d->selectors.first().isEmpty()) |
| ++to; // lookup #3 unless #1 is also empty (redundant) |
| |
| // NOTE: last iteration intentionally out of bounds => empty selector |
| for (int i = 0; i <= to; ++i) { |
| const QString selector = d->selectors.value(i); |
| for (const QString &path : d->paths) { |
| const QUrl selectedUrl = d->select(ensureSlash(path) + selector + QLatin1Char('/') + fileName); |
| if (selectedUrl.isValid()) { |
| qCDebug(lcQtQuickControlsStyle) << "==>" << selectedUrl << "from" << path << "with selector" << selector; |
| return selectedUrl; |
| } |
| } |
| } |
| |
| return fileName; |
| } |
| |
| QT_END_NAMESPACE |