Files
desktop-apps/win-linux/src/components/cpushbutton.cpp
2025-04-29 12:28:35 +03:00

115 lines
3.6 KiB
C++

/*
* (c) Copyright Ascensio System SIA 2010-2019
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at 20A-12 Ernesta Birznieka-Upisha
* street, Riga, Latvia, EU, LV-1050.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
#include "components/cpushbutton.h"
#include <QPainter>
#include <QSvgRenderer>
#include <QVariantAnimation>
#define ANIMATION_MS 2500
CPushButton::CPushButton(QWidget *parent)
: QPushButton(parent)
{}
CPushButton::~CPushButton()
{
releaseSvg();
}
void CPushButton::setAnimatedIcon(const QString &path)
{
releaseSvg();
if (path.isEmpty())
return;
m_renderer = new QSvgRenderer(path, this);
m_animation = new QVariantAnimation(this);
m_animation->setStartValue(0);
m_animation->setEndValue(360);
m_animation->setDuration(ANIMATION_MS);
m_animation->setLoopCount(-1);
m_animation->setEasingCurve(QEasingCurve::Linear);
connect(m_animation, &QVariantAnimation::valueChanged, this, [=](const QVariant &val) {
onSvgRepaint(val.toDouble());
});
m_animation->start(QAbstractAnimation::KeepWhenStopped);
}
void CPushButton::setStaticIcon(const QString &path)
{
releaseSvg();
if (path.isEmpty())
return;
// m_renderer = new QSvgRenderer(path, this);
// onSvgRepaint(0);
setIcon(QIcon(path));
}
bool CPushButton::isStarted()
{
return m_animation && m_animation->state() == QAbstractAnimation::Running;
}
void CPushButton::releaseSvg()
{
if (m_animation) {
if (m_animation->state() != QAbstractAnimation::Stopped)
m_animation->stop();
m_animation->disconnect();
delete m_animation, m_animation = nullptr;
}
if (m_renderer)
delete m_renderer, m_renderer = nullptr;
}
void CPushButton::onSvgRepaint(double angle)
{
if (m_renderer && m_renderer->isValid()) {
QSize icon_size = iconSize();
double offset = (double)icon_size.height()/2;
QPixmap pixmap(icon_size);
pixmap.fill(Qt::transparent);
QPainter painter(&pixmap);
painter.setCompositionMode(QPainter::CompositionMode_SourceOver);
painter.setRenderHint(QPainter::Antialiasing);
painter.translate(offset, offset);
painter.rotate(angle);
painter.translate(-offset, -offset);
m_renderer->render(&painter);
painter.end();
setIcon(QIcon(pixmap));
}
}