mirror of https://github.com/procxx/kepka.git
71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
//
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// This file is part of Kepka,
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// an unofficial desktop version of Telegram messaging app,
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// see https://github.com/procxx/kepka
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//
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// Kepka is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// It is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// In addition, as a special exception, the copyright holders give permission
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// to link the code of portions of this program with the OpenSSL library.
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//
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// Full license: https://github.com/procxx/kepka/blob/master/LICENSE
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// Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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// Copyright (c) 2017- Kepka Contributors, https://github.com/procxx
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//
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#pragma once
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#include "ui/animation.h"
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#include <QPixmap>
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class Painter;
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namespace Ui {
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class SlideAnimation {
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public:
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void setSnapshots(QPixmap leftSnapshot, QPixmap rightSnapshot);
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void setOverflowHidden(bool hidden) {
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_overflowHidden = hidden;
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}
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template <typename Lambda> void start(bool slideLeft, Lambda &&updateCallback, double duration);
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void paintFrame(Painter &p, int x, int y, int outerWidth, TimeMs ms);
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bool animating() const {
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return _animation.animating();
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}
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private:
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Animation _animation;
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QPixmap _leftSnapshot;
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QPixmap _rightSnapshot;
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bool _slideLeft = false;
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bool _overflowHidden = true;
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int _leftSnapshotWidth = 0;
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int _leftSnapshotHeight = 0;
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int _rightSnapshotWidth = 0;
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};
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template <typename Lambda> void SlideAnimation::start(bool slideLeft, Lambda &&updateCallback, double duration) {
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_slideLeft = slideLeft;
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if (_slideLeft) {
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std::swap(_leftSnapshot, _rightSnapshot);
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}
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_leftSnapshotWidth = _leftSnapshot.width() / cIntRetinaFactor();
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_leftSnapshotHeight = _leftSnapshot.height() / cIntRetinaFactor();
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_rightSnapshotWidth = _rightSnapshot.width() / cIntRetinaFactor();
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_animation.start(std::forward<Lambda>(updateCallback), 0., 1., duration);
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}
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} // namespace Ui
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