66 lines
1.2 KiB
C++
66 lines
1.2 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "styles/style_widgets.h"
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#include "ui/rp_widget.h"
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namespace Ui {
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class FadeAnimation {
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public:
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FadeAnimation(TWidget *widget, float64 scale = 1.);
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bool paint(Painter &p);
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void refreshCache();
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using FinishedCallback = Fn<void()>;
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void setFinishedCallback(FinishedCallback &&callback);
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using UpdatedCallback = Fn<void(float64)>;
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void setUpdatedCallback(UpdatedCallback &&callback);
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void show();
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void hide();
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void fadeIn(int duration);
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void fadeOut(int duration);
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void finish() {
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stopAnimation();
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}
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bool animating() const {
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return _animation.animating();
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}
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bool visible() const {
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return _visible;
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}
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private:
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void startAnimation(int duration);
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void stopAnimation();
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void updateCallback();
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QPixmap grabContent();
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TWidget *_widget = nullptr;
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float64 _scale = 1.;
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Animation _animation;
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QSize _size;
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QPixmap _cache;
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bool _visible = false;
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FinishedCallback _finishedCallback;
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UpdatedCallback _updatedCallback;
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};
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} // namespace Ui
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