122 lines
2.7 KiB
C++
122 lines
2.7 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 style {
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class palette;
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namespace internal {
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class Color;
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class ColorData {
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public:
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QColor c;
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QPen p;
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QBrush b;
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QColor transparent() const {
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return QColor(c.red(), c.green(), c.blue(), 0);
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}
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private:
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ColorData(uchar r, uchar g, uchar b, uchar a);
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ColorData(const ColorData &other) = default;
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ColorData &operator=(const ColorData &other) = default;
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void set(uchar r, uchar g, uchar b, uchar a);
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friend class Color;
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friend class style::palette;
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};
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class Color {
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public:
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Color(Qt::Initialization = Qt::Uninitialized) {
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}
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Color(const Color &other) = default;
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Color &operator=(const Color &other) = default;
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void set(uchar r, uchar g, uchar b, uchar a) const {
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_data->set(r, g, b, a);
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}
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operator const QBrush &() const {
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return _data->b;
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}
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operator const QPen &() const {
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return _data->p;
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}
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ColorData *operator->() const {
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return _data;
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}
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ColorData *v() const {
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return _data;
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}
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explicit operator bool() const {
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return !!_data;
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}
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class Proxy;
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Proxy operator[](const style::palette &paletteOverride) const;
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private:
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friend class style::palette;
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Color(ColorData *data) : _data(data) {
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}
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ColorData *_data = nullptr;
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};
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class Color::Proxy {
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public:
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Proxy(Color color) : _color(color) {
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}
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Proxy(const Proxy &other) = default;
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operator const QBrush &() const { return _color; }
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operator const QPen &() const { return _color; }
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ColorData *operator->() const { return _color.v(); }
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ColorData *v() const { return _color.v(); }
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explicit operator bool() const { return _color ? true : false; }
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Color clone() const { return _color; }
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private:
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Color _color;
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};
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inline bool operator==(Color a, Color b) {
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return a->c == b->c;
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}
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inline bool operator!=(Color a, Color b) {
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return a->c != b->c;
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}
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} // namespace internal
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} // namespace style
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