c207743338
Now base::lambda can be copied and can wrap any immutable lambda. For mutable lambdas there is base::lambda_once (which you're supposed to call only once to pass data through lambda captures, for example by using std::unique_ptr). Generally base::lambda is passed by value and base::lambda_once is passed by rvalue reference.
70 lines
1.8 KiB
C++
70 lines
1.8 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) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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namespace Ui {
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class RoundButton;
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} // namespace Ui
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namespace Window {
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namespace Theme {
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class WarningWidget : public TWidget {
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public:
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WarningWidget(QWidget *parent);
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void setHiddenCallback(base::lambda<void()> callback) {
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_hiddenCallback = std::move(callback);
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}
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void showAnimated();
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void hideAnimated();
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protected:
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void keyPressEvent(QKeyEvent *e) override;
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void paintEvent(QPaintEvent *e) override;
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void resizeEvent(QResizeEvent *e) override;
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private:
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void setSecondsLeft(int secondsLeft);
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void startAnimation(bool hiding);
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void updateText();
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void handleTimer();
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bool _hiding = false;
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Animation _animation;
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QPixmap _cache;
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QRect _inner, _outer;
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SingleTimer _timer;
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TimeMs _started = 0;
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int _secondsLeft = 0;
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QString _text;
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object_ptr<Ui::RoundButton> _keepChanges;
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object_ptr<Ui::RoundButton> _revert;
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base::lambda<void()> _hiddenCallback;
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};
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} // namespace Theme
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} // namespace Window
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