81 lines
2.1 KiB
C++
81 lines
2.1 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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#include "ui/twidget.h"
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class DragArea : public TWidget {
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Q_OBJECT
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public:
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DragArea(QWidget *parent);
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void setText(const QString &text, const QString &subtext);
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void otherEnter();
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void otherLeave();
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bool overlaps(const QRect &globalRect);
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void hideFast();
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void setDroppedCallback(base::lambda<void(const QMimeData *data)> callback) {
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_droppedCallback = std::move(callback);
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}
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protected:
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void paintEvent(QPaintEvent *e) override;
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void mouseMoveEvent(QMouseEvent *e) override;
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void dragEnterEvent(QDragEnterEvent *e) override;
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void dragLeaveEvent(QDragLeaveEvent *e) override;
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void dropEvent(QDropEvent *e) override;
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void dragMoveEvent(QDragMoveEvent *e) override;
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public slots:
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void hideStart();
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void hideFinish();
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void showStart();
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private:
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void setIn(bool in);
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void opacityAnimationCallback();
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QRect innerRect() const {
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return QRect(
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st::dragPadding.left(),
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st::dragPadding.top(),
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width() - st::dragPadding.left() - st::dragPadding.right(),
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height() - st::dragPadding.top() - st::dragPadding.bottom()
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);
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}
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bool _hiding = false;
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bool _in = false;
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QPixmap _cache;
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base::lambda<void(const QMimeData *data)> _droppedCallback;
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Animation _a_opacity;
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Animation _a_in;
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QString _text, _subtext;
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};
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