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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
commite5fcad302d86d316390c6b0f62759a067313e8a9 (patch)
treec2afbf6f1066b6ce261f14341cf6d310e5595bc1 /src/gui/kernel/qkeymapper.cpp
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Long live Qt 4.5!
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include "qapplication.h"
+
+#include <private/qobject_p.h>
+#include "qkeymapper_p.h"
+#include <qwidget.h>
+
+QT_BEGIN_NAMESPACE
+
+/*!
+ \class QKeyMapper
+ \since 4.2
+ \ingroup application
+ \internal
+
+ \sa QObject
+*/
+
+/*!
+ Constructs a new key mapper.
+*/
+QKeyMapper::QKeyMapper()
+ : QObject(*new QKeyMapperPrivate, 0)
+{
+}
+
+/*!
+ Destroys the key mapper.
+*/
+QKeyMapper::~QKeyMapper()
+{
+}
+
+QList<int> QKeyMapper::possibleKeys(QKeyEvent *e)
+{
+ QList<int> result;
+
+ if (!e->nativeScanCode()) {
+ if (e->key() && (e->key() != Qt::Key_unknown))
+ result << int(e->key() + e->modifiers());
+ else if (!e->text().isEmpty())
+ result << int(e->text().at(0).unicode() + e->modifiers());
+ return result;
+ }
+
+ return instance()->d_func()->possibleKeys(e);
+}
+
+extern bool qt_sendSpontaneousEvent(QObject *receiver, QEvent *event); // in qapplication_*.cpp
+void QKeyMapper::changeKeyboard()
+{
+ instance()->d_func()->clearMappings();
+
+ // inform all toplevel widgets of the change
+ QEvent e(QEvent::KeyboardLayoutChange);
+ QWidgetList list = QApplication::topLevelWidgets();
+ for (int i = 0; i < list.size(); ++i) {
+ QWidget *w = list.at(i);
+ qt_sendSpontaneousEvent(w, &e);
+ }
+}
+
+Q_GLOBAL_STATIC(QKeyMapper, keymapper)
+/*!
+ Returns the pointer to the single instance of QKeyMapper in the application.
+ If none yet exists, the function ensures that one is created.
+*/
+QKeyMapper *QKeyMapper::instance()
+{
+ return keymapper();
+}
+
+QKeyMapperPrivate *qt_keymapper_private()
+{
+ return QKeyMapper::instance()->d_func();
+}
+
+Q_GUI_EXPORT QList<int> qt_keymapper_possibleKeys(QKeyEvent *e) { return QKeyMapper::instance()->possibleKeys(e); }
+
+QT_END_NAMESPACE