qt_demoe/designer/lib/shared/propertylineedit.cpp

97 lines
3.5 KiB
C++

/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
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** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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
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**
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** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** packaging of this file. Please review the following information to
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#include "propertylineedit_p.h"
#include <QtGui/QContextMenuEvent>
#include <QtGui/QKeyEvent>
#include <QtGui/QMenu>
QT_BEGIN_NAMESPACE
namespace qdesigner_internal {
PropertyLineEdit::PropertyLineEdit(QWidget *parent) :
QLineEdit(parent), m_wantNewLine(false)
{
}
bool PropertyLineEdit::event(QEvent *e)
{
// handle 'Select all' here as it is not done in the QLineEdit
if (e->type() == QEvent::ShortcutOverride && !isReadOnly()) {
QKeyEvent* ke = static_cast<QKeyEvent*> (e);
if (ke->modifiers() & Qt::ControlModifier) {
if(ke->key() == Qt::Key_A) {
ke->accept();
return true;
}
}
}
return QLineEdit::event(e);
}
void PropertyLineEdit::insertNewLine() {
insertText(QLatin1String("\\n"));
}
void PropertyLineEdit::insertText(const QString &text) {
// position cursor after new text and grab focus
const int oldCursorPosition = cursorPosition ();
insert(text);
setCursorPosition (oldCursorPosition + text.length());
setFocus(Qt::OtherFocusReason);
}
void PropertyLineEdit::contextMenuEvent(QContextMenuEvent *event) {
QMenu *menu = createStandardContextMenu ();
if (m_wantNewLine) {
menu->addSeparator();
QAction* nlAction = menu->addAction(tr("Insert line break"));
connect(nlAction, SIGNAL(triggered()), this, SLOT(insertNewLine()));
}
menu->exec(event->globalPos());
}
}
QT_END_NAMESPACE