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63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
// This file is part of Desktop App Toolkit,
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// a set of libraries for developing nice desktop applications.
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//
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// For license and copyright information please follow this link:
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// https://github.com/desktop-app/legal/blob/master/LEGAL
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//
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#pragma once
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#include "ui/text/text.h"
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#include <private/qfontengine_p.h>
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namespace Ui::Text {
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class StackEngine final {
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public:
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explicit StackEngine(
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not_null<const String*> t,
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gsl::span<QScriptAnalysis> analysis,
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int from = 0,
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int till = -1,
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int blockIndexHint = 0);
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explicit StackEngine(
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not_null<const String*> t,
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int offset,
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const QString &text,
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gsl::span<QScriptAnalysis> analysis,
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int blockIndexHint = 0,
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int blockIndexLimit = -1);
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[[nodiscard]] QTextEngine &wrapped() {
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return _engine;
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}
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void itemize();
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std::vector<Block>::const_iterator shapeGetBlock(int item);
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[[nodiscard]] int blockIndex(int position) const;
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private:
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void updateFont(not_null<const AbstractBlock*> block);
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[[nodiscard]] std::vector<Block>::const_iterator adjustBlock(
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int offset) const;
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[[nodiscard]] int blockPosition(
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std::vector<Block>::const_iterator i) const;
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[[nodiscard]] int blockEnd(std::vector<Block>::const_iterator i) const;
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const not_null<const String*> _t;
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const QString &_text;
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QScriptAnalysis *_analysis = nullptr;
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const int _offset = 0;
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const int _positionEnd = 0;
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style::font _font;
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QStackTextEngine _engine;
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const std::vector<Block> &_tBlocks;
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std::vector<Block>::const_iterator _bStart;
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std::vector<Block>::const_iterator _bEnd;
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mutable std::vector<Block>::const_iterator _bCached;
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};
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} // namespace Ui::Text
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