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ab0b4f46f7
TextDocument::set_spans() now also takes a "span collection index" argument. TextDocument keeps a map between a span collection index and its spans. It merges the spans from all collections into a single set of spans whenever set_spans() is called. This allows us to style a document with multiple layers of spans, where as previously we only supported a single layer of spans that was set from the SyntaxHighlighter.
41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
/*
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* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/String.h>
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#include <AK/Vector.h>
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#include <LibGUI/TextDocument.h>
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#include <LibGUI/TextPosition.h>
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namespace Syntax {
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class HighlighterClient {
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public:
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virtual ~HighlighterClient() = default;
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virtual Vector<GUI::TextDocumentSpan>& spans() = 0;
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virtual const Vector<GUI::TextDocumentSpan>& spans() const = 0;
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virtual void set_span_at_index(size_t index, GUI::TextDocumentSpan span) = 0;
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virtual String highlighter_did_request_text() const = 0;
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virtual void highlighter_did_request_update() = 0;
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virtual GUI::TextDocument& highlighter_did_request_document() = 0;
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virtual GUI::TextPosition highlighter_did_request_cursor() const = 0;
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virtual void highlighter_did_set_spans(Vector<GUI::TextDocumentSpan>) = 0;
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void do_set_spans(Vector<GUI::TextDocumentSpan> spans) { highlighter_did_set_spans(move(spans)); }
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void do_update() { highlighter_did_request_update(); }
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String get_text() const { return highlighter_did_request_text(); }
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GUI::TextDocument& get_document() { return highlighter_did_request_document(); }
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GUI::TextPosition get_cursor() const { return highlighter_did_request_cursor(); }
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static constexpr auto span_collection_index = 0;
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};
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}
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