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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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.
**
****************************************************************************/
#include "widgethost.h"
#include "formresizer.h"
#include "widgethostconstants.h"
#include <QDesignerFormWindowInterface>
#include <QDesignerFormWindowCursorInterface>
#include <QPalette>
#include <QLayout>
#include <QFrame>
#include <QResizeEvent>
#include <QDebug>
using namespace SharedTools;
// ---------- WidgetHost
WidgetHost::WidgetHost(QWidget *parent, QDesignerFormWindowInterface *formWindow) :
QScrollArea(parent),
m_formResizer(new Internal::FormResizer)
{
setWidget(m_formResizer);
// Re-set flag (gets cleared by QScrollArea): Make the resize grip of a mainwindow form find the resizer as resizable window.
m_formResizer->setWindowFlags(m_formResizer->windowFlags() | Qt::SubWindow);
setFormWindow(formWindow);
}
WidgetHost::~WidgetHost()
{
delete m_formWindow;
}
void WidgetHost::setFormWindow(QDesignerFormWindowInterface *fw)
{
m_formWindow = fw;
if (!fw)
return;
m_formResizer->setFormWindow(fw);
setBackgroundRole(QPalette::Base);
m_formWindow->setAutoFillBackground(true);
m_formWindow->setBackgroundRole(QPalette::Window);
connect(m_formResizer, &Internal::FormResizer::formWindowSizeChanged,
this, &WidgetHost::fwSizeWasChanged);
}
QSize WidgetHost::formWindowSize() const
{
if (!m_formWindow || !m_formWindow->mainContainer())
return {};
return m_formWindow->mainContainer()->size();
}
void WidgetHost::fwSizeWasChanged(const QRect &, const QRect &)
{
// newGeo is the mouse coordinates, thus moving the Right will actually emit wrong height
emit formWindowSizeChanged(formWindowSize().width(), formWindowSize().height());
}
void WidgetHost::updateFormWindowSelectionHandles(bool active)
{
Internal::SelectionHandleState state = Internal::SelectionHandleOff;
const QDesignerFormWindowCursorInterface *cursor = m_formWindow->cursor();
if (cursor->isWidgetSelected(m_formWindow->mainContainer()))
state = active ? Internal::SelectionHandleActive : Internal::SelectionHandleInactive;
m_formResizer->setState(state);
}
QWidget *WidgetHost::integrationContainer() const
{
return m_formResizer;
}
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