mirror of
https://github.com/vale981/tdesktop
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958e47cc19
HistoryToEnd button is always shown if there are unread messages. HistoryToEnd button displayes unread messages count. New service message (HistoryCleared) is handled (not displayed at all).
81 lines
2.3 KiB
C++
81 lines
2.3 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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namespace Dialogs {
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class Row;
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class FakeRow;
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namespace Layout {
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class RowPainter {
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public:
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static void paint(Painter &p, const Row *row, int w, bool active, bool selected, bool onlyBackground);
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static void paint(Painter &p, const FakeRow *row, int w, bool active, bool selected, bool onlyBackground);
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};
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void paintImportantSwitch(Painter &p, Mode current, int w, bool selected, bool onlyBackground);
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void paintUnreadCount(Painter &p, const QString &text, int x, int y, style::align align, bool active, bool muted, int *outUnreadWidth);
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void paintUnreadBadge(Painter &p, const QRect &rect, bool active, bool muted);
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// This will be moved somewhere outside as soon as anyone starts using that.
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class StyleSheet {
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public:
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virtual ~StyleSheet() = 0;
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};
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inline StyleSheet::~StyleSheet() = default;
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namespace internal {
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void registerStyleSheet(StyleSheet **p);
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} // namespace
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// Must be created in global scope!
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template <typename T>
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class StyleSheetPointer {
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public:
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StyleSheetPointer() = default;
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StyleSheetPointer(const StyleSheetPointer<T> &other) = delete;
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StyleSheetPointer &operator=(const StyleSheetPointer<T> &other) = delete;
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void createIfNull() {
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if (!_p) {
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_p = new T();
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internal::registerStyleSheet(&_p);
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}
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}
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T *operator->() {
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t_assert(_p != nullptr);
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return static_cast<T*>(_p);
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}
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private:
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StyleSheet *_p;
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};
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void clearStyleSheets();
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} // namespace Layout
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} // namespace Dialogs
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