Files
qt-creator/src/libs/utils/overlaywidget.cpp
Kai Köhne 56baf8c058 Remove GPL-3.0+ from license identifiers
Since we also license under GPL-3.0 WITH Qt-GPL-exception-1.0,
this applies only to a hypothetical newer version of GPL, that doesn't
exist yet. If such a version emerges, we can still decide to relicense...

While at it, replace (deprecated) GPL-3.0 with more explicit GPL-3.0-only

Change was done by running

  find . -type f -exec perl -pi -e "s/LicenseRef-Qt-Commercial OR GPL-3.0\+ OR GPL-3.0 WITH Qt-GPL-exception-1.0/LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0/g" {} \;

Change-Id: I5097e6ce8d10233993ee30d7e25120e2659eb10b
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
2023-01-06 11:15:13 +00:00

55 lines
1.2 KiB
C++

// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "overlaywidget.h"
#include "qtcassert.h"
#include <QEvent>
#include <QPainter>
Utils::OverlayWidget::OverlayWidget(QWidget *parent)
{
setAttribute(Qt::WA_TransparentForMouseEvents);
if (parent)
attachToWidget(parent);
}
void Utils::OverlayWidget::setPaintFunction(const Utils::OverlayWidget::PaintFunction &paint)
{
m_paint = paint;
}
bool Utils::OverlayWidget::eventFilter(QObject *obj, QEvent *ev)
{
if (obj == parent() && ev->type() == QEvent::Resize)
resizeToParent();
return QWidget::eventFilter(obj, ev);
}
void Utils::OverlayWidget::paintEvent(QPaintEvent *ev)
{
if (m_paint) {
QPainter p(this);
m_paint(this, p, ev);
}
}
void Utils::OverlayWidget::attachToWidget(QWidget *parent)
{
if (parentWidget())
parentWidget()->removeEventFilter(this);
setParent(parent);
if (parent) {
parent->installEventFilter(this);
resizeToParent();
raise();
}
}
void Utils::OverlayWidget::resizeToParent()
{
QTC_ASSERT(parentWidget(), return );
setGeometry(QRect(QPoint(0, 0), parentWidget()->size()));
}