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/****************************************************************************
**
** 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "abstractformwindow.h"
#include "inplace_widget_helper.h"
#include <QtGui/QResizeEvent>
#include <QtGui/QPushButton>
#include <QtGui/QToolButton>
#include <QtGui/QShortcut>
QT_BEGIN_NAMESPACE
namespace qdesigner_internal {
InPlaceWidgetHelper::InPlaceWidgetHelper(QWidget *editorWidget, QWidget *parentWidget, QDesignerFormWindowInterface *fw)
: QObject(0),
m_editorWidget(editorWidget),
m_parentWidget(parentWidget),
m_noChildEvent(m_parentWidget->testAttribute(Qt::WA_NoChildEventsForParent))
{
m_editorWidget->setAttribute(Qt::WA_DeleteOnClose);
m_editorWidget->setParent(m_parentWidget->window());
m_parentWidget->installEventFilter(this);
m_editorWidget->installEventFilter(this);
connect(m_editorWidget, SIGNAL(destroyed()), fw->mainContainer(), SLOT(setFocus()));
}
InPlaceWidgetHelper::~InPlaceWidgetHelper()
{
m_parentWidget->setAttribute(Qt::WA_NoChildEventsForParent, m_noChildEvent);
}
Qt::Alignment InPlaceWidgetHelper::alignment() const {
if (m_parentWidget->metaObject()->indexOfProperty("alignment") != -1)
return Qt::Alignment(m_parentWidget->property("alignment").toInt());
if (qobject_cast<const QPushButton *>(m_parentWidget)
|| qobject_cast<const QToolButton *>(m_parentWidget) /* tool needs to be more complex */)
return Qt::AlignHCenter;
return Qt::AlignJustify;
}
bool InPlaceWidgetHelper::eventFilter(QObject *object, QEvent *e)
{
if (object == m_parentWidget) {
if (e->type() == QEvent::Resize) {
const QResizeEvent *event = static_cast<const QResizeEvent*>(e);
const QPoint localPos = m_parentWidget->geometry().topLeft();
const QPoint globalPos = m_parentWidget->parentWidget() ? m_parentWidget->parentWidget()->mapToGlobal(localPos) : localPos;
const QPoint newPos = (m_editorWidget->parentWidget() ? m_editorWidget->parentWidget()->mapFromGlobal(globalPos) : globalPos)
+ m_posOffset;
const QSize newSize = event->size() + m_sizeOffset;
m_editorWidget->setGeometry(QRect(newPos, newSize));
}
} else if (object == m_editorWidget) {
if (e->type() == QEvent::ShortcutOverride) {
if (static_cast<QKeyEvent*>(e)->key() == Qt::Key_Escape) {
e->accept();
return false;
}
} else if (e->type() == QEvent::KeyPress) {
if (static_cast<QKeyEvent*>(e)->key() == Qt::Key_Escape) {
e->accept();
m_editorWidget->close();
return true;
}
} else if (e->type() == QEvent::Show) {
const QPoint localPos = m_parentWidget->geometry().topLeft();
const QPoint globalPos = m_parentWidget->parentWidget() ? m_parentWidget->parentWidget()->mapToGlobal(localPos) : localPos;
const QPoint newPos = m_editorWidget->parentWidget() ? m_editorWidget->parentWidget()->mapFromGlobal(globalPos) : globalPos;
m_posOffset = m_editorWidget->geometry().topLeft() - newPos;
m_sizeOffset = m_editorWidget->size() - m_parentWidget->size();
}
}
return QObject::eventFilter(object, e);
}
}
QT_END_NAMESPACE
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