66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
// This file is part of Desktop App Toolkit,
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// a set of libraries for developing nice desktop applications.
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//
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// For license and copyright information please follow this link:
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// https://github.com/desktop-app/legal/blob/master/LEGAL
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//
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#pragma once
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#include "ui/effects/animations.h"
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namespace Ui {
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class SlideAnimation {
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public:
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struct State {
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float64 leftProgress = 0.;
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float64 leftAlpha = 0.;
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float64 rightProgress = 0.;
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float64 rightAlpha = 0.;
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};
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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>
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void start(bool slideLeft, Lambda &&updateCallback, float64 duration);
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void paintFrame(QPainter &p, int x, int y, int outerWidth);
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[[nodiscard]] State state() const;
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[[nodiscard]] bool animating() const {
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return _animation.animating();
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}
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private:
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Ui::Animations::Simple _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>
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void SlideAnimation::start(
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bool slideLeft,
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Lambda &&updateCallback,
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float64 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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const auto pixelRatio = style::DevicePixelRatio();
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_leftSnapshotWidth = _leftSnapshot.width() / pixelRatio;
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_leftSnapshotHeight = _leftSnapshot.height() / pixelRatio;
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_rightSnapshotWidth = _rightSnapshot.width() / pixelRatio;
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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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