tdesktop/Telegram/SourceFiles/dialogs/dialogs_row.h

97 lines
2.1 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#pragma once
#include "ui/text/text.h"
class History;
class HistoryItem;
namespace Ui {
class RippleAnimation;
} // namespace Ui
namespace Dialogs {
namespace Layout {
class RowPainter;
} // namespace Layout
class RippleRow {
public:
RippleRow();
~RippleRow();
void addRipple(QPoint origin, QSize size, base::lambda<void()> updateCallback);
void stopLastRipple();
void paintRipple(Painter &p, int x, int y, int outerWidth, TimeMs ms, const QColor *colorOverride = nullptr) const;
private:
mutable std::unique_ptr<Ui::RippleAnimation> _ripple;
};
class List;
class Row : public RippleRow {
public:
Row(History *history, Row *prev, Row *next, int pos)
: _history(history)
, _prev(prev)
, _next(next)
, _pos(pos) {
}
void *attached = nullptr; // for any attached data, for example View in contacts list
History *history() const {
return _history;
}
int pos() const {
return _pos;
}
private:
friend class List;
History *_history;
Row *_prev, *_next;
int _pos;
};
class FakeRow : public RippleRow {
public:
FakeRow(HistoryItem *item);
HistoryItem *item() const {
return _item;
}
private:
friend class Layout::RowPainter;
HistoryItem *_item;
mutable const HistoryItem *_cacheFor = nullptr;
mutable Text _cache;
};
} // namespace Dialogs