161 lines
3.3 KiB
C++
161 lines
3.3 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "base/binary_guard.h"
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#include "emoji.h"
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namespace Ui {
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namespace Emoji {
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constexpr auto kRecentLimit = 42;
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void Init();
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void Clear();
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void ClearIrrelevantCache();
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int GetSizeNormal();
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int GetSizeLarge();
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class One {
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struct CreationTag {
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};
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public:
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One(One &&other) = default;
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One(const QString &id, EmojiPtr original, uint32 index, bool hasPostfix, bool colorizable, const CreationTag &)
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: _id(id)
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, _original(original)
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, _index(index)
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, _hasPostfix(hasPostfix)
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, _colorizable(colorizable) {
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Expects(!_colorizable || !colored());
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}
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QString id() const {
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return _id;
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}
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QString text() const {
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return hasPostfix() ? (_id + QChar(kPostfix)) : _id;
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}
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bool colored() const {
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return (_original != nullptr);
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}
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EmojiPtr original() const {
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return _original ? _original : this;
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}
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QString nonColoredId() const {
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return original()->id();
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}
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bool hasPostfix() const {
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return _hasPostfix;
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}
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bool hasVariants() const {
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return _colorizable || colored();
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}
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int variantsCount() const;
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int variantIndex(EmojiPtr variant) const;
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EmojiPtr variant(int index) const;
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int index() const {
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return _index;
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}
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int sprite() const {
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return int(_index >> 9);
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}
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int row() const {
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return int((_index >> 5) & 0x0FU);
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}
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int column() const {
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return int(_index & 0x1FU);
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}
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QString toUrl() const {
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return qsl("emoji://e.") + QString::number(index());
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}
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private:
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const QString _id;
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const EmojiPtr _original = nullptr;
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const uint32 _index = 0;
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const bool _hasPostfix = false;
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const bool _colorizable = false;
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friend void internal::Init();
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};
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inline EmojiPtr FromUrl(const QString &url) {
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auto start = qstr("emoji://e.");
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if (url.startsWith(start)) {
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return internal::ByIndex(url.midRef(start.size()).toInt()); // skip emoji://e.
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}
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return nullptr;
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}
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inline EmojiPtr Find(const QChar *start, const QChar *end, int *outLength = nullptr) {
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return internal::Find(start, end, outLength);
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}
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inline EmojiPtr Find(const QString &text, int *outLength = nullptr) {
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return Find(text.constBegin(), text.constEnd(), outLength);
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}
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QString IdFromOldKey(uint64 oldKey);
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inline EmojiPtr FromOldKey(uint64 oldKey) {
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return Find(IdFromOldKey(oldKey));
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}
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inline int ColorIndexFromCode(uint32 code) {
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switch (code) {
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case 0xD83CDFFBU: return 1;
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case 0xD83CDFFCU: return 2;
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case 0xD83CDFFDU: return 3;
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case 0xD83CDFFEU: return 4;
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case 0xD83CDFFFU: return 5;
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}
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return 0;
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}
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inline int ColorIndexFromOldKey(uint64 oldKey) {
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return ColorIndexFromCode(uint32(oldKey & 0xFFFFFFFFLLU));
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}
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void ReplaceInText(TextWithEntities &result);
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RecentEmojiPack &GetRecent();
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void AddRecent(EmojiPtr emoji);
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const QPixmap &SinglePixmap(EmojiPtr emoji, int fontHeight);
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void Draw(QPainter &p, EmojiPtr emoji, int size, int x, int y);
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class Instance {
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public:
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explicit Instance(int size);
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bool cached() const;
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void draw(QPainter &p, EmojiPtr emoji, int x, int y);
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private:
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void readCache();
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void generateCache();
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void pushSprite(QImage &&data);
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int _size = 0;
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std::vector<QPixmap> _sprites;
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base::binary_guard _generating;
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};
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} // namespace Emoji
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} // namespace Ui
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