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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** 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-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "abstractformwindow.h"
#include "inplace_widget_helper.h"
#include <QtGui/qevent.h>
#include <QtWidgets/qpushbutton.h>
#include <QtWidgets/qtoolbutton.h>
#include <QtWidgets/qshortcut.h>
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))
{
typedef void (QWidget::*QWidgetVoidSlot)();
m_editorWidget->setAttribute(Qt::WA_DeleteOnClose);
m_editorWidget->setParent(m_parentWidget->window());
m_parentWidget->installEventFilter(this);
m_editorWidget->installEventFilter(this);
connect(m_editorWidget, &QObject::destroyed,
fw->mainContainer(), static_cast<QWidgetVoidSlot>(&QWidget::setFocus));
}
InPlaceWidgetHelper::~InPlaceWidgetHelper()
{
if (m_parentWidget)
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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