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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.
**
****************************************************************************/
#pragma once
#include "overlaywidget.h"
#include "utils_global.h"
#include <QTimer>
#include <QWidget>
#include <functional>
#include <memory>
namespace Utils {
namespace Internal { class ProgressIndicatorPrivate; }
enum class ProgressIndicatorSize
{
Small,
Medium,
Large
};
class QTCREATOR_UTILS_EXPORT ProgressIndicatorPainter
{
public:
using UpdateCallback = std::function<void()>;
ProgressIndicatorPainter(ProgressIndicatorSize size);
virtual ~ProgressIndicatorPainter() = default;
virtual void setIndicatorSize(ProgressIndicatorSize size);
ProgressIndicatorSize indicatorSize() const;
void setUpdateCallback(const UpdateCallback &cb);
QSize size() const;
void paint(QPainter &painter, const QRect &rect) const;
void startAnimation();
void stopAnimation();
protected:
void nextAnimationStep();
private:
ProgressIndicatorSize m_size = ProgressIndicatorSize::Small;
int m_rotationStep = 45;
int m_rotation = 0;
QTimer m_timer;
QPixmap m_pixmap;
UpdateCallback m_callback;
};
class QTCREATOR_UTILS_EXPORT ProgressIndicator : public OverlayWidget
{
Q_OBJECT
public:
explicit ProgressIndicator(ProgressIndicatorSize size, QWidget *parent = nullptr);
void setIndicatorSize(ProgressIndicatorSize size);
QSize sizeHint() const final;
protected:
void showEvent(QShowEvent *) final;
void hideEvent(QHideEvent *) final;
private:
ProgressIndicatorPainter m_paint;
};
} // Utils
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