squawk/ui/utils/shadowoverlay.h

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/*
* Squawk messenger.
* Copyright (C) 2019 Yury Gubich <blue@macaw.me>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SHADOWOVERLAY_H
#define SHADOWOVERLAY_H
#include <QWidget>
#include <QImage>
#include <QPainter>
#include <QColor>
#include <QPaintEvent>
#include <QResizeEvent>
#include <ui/utils/exponentialblur.h>
/**
* @todo write docs
*/
class ShadowOverlay : public QWidget {
public:
ShadowOverlay(unsigned int radius = 10, unsigned int thickness = 1, const QColor& color = Qt::black, QWidget* parent = nullptr);
void setFrames(bool top, bool right, bool bottom, bool left);
protected:
void updateImage();
void paintEvent(QPaintEvent * event) override;
void resizeEvent(QResizeEvent * event) override;
private:
bool top;
bool right;
bool bottom;
bool left;
unsigned int thickness;
unsigned int radius;
QColor color;
QImage shadow;
};
#endif // SHADOWOVERLAY_H