68 lines
1.6 KiB
C++
68 lines
1.6 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop 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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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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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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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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#include "ui/button.h"
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namespace Ui {
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class HistoryDownButton : public Button {
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public:
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HistoryDownButton(QWidget *parent);
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void setUnreadCount(int unreadCount);
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int unreadCount() const {
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return _unreadCount;
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}
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bool hidden() const;
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void showAnimated();
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void hideAnimated();
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void finishAnimation();
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protected:
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void paintEvent(QPaintEvent *e) override;
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void onStateChanged(int oldState, ButtonStateChangeSource source) override;
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private:
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void toggleAnimated();
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void repaintCallback() {
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update();
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}
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void step_arrowOver(float64 ms, bool timer);
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QPixmap _cache;
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bool _shown = false;
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anim::fvalue a_arrowOpacity;
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Animation _a_arrowOver;
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FloatAnimation _a_show;
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int _unreadCount = 0;
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};
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} // namespace Ui
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