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LibGUI: Support multiple layers of TextDocument spans

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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.
This commit is contained in:
Itamar 2022-03-29 16:31:26 +03:00 • committed by Andreas Kling
parent b75ed992a6
commit ab0b4f46f7
5 changed files with 107 additions and 2 deletions
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5
Userland/Libraries/LibGUI/TextDocument.h
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@ -62,7 +62,7 @@ public:
const TextDocumentLine& line(size_t line_index) const { return m_lines[line_index]; }
TextDocumentLine& line(size_t line_index) { return m_lines[line_index]; }
void set_spans(Vector<TextDocumentSpan> spans) { m_spans = move(spans); }
void set_spans(u32 span_collection_index, Vector<TextDocumentSpan> spans);
bool set_text(StringView, AllowCallback = AllowCallback::Yes);
@ -136,7 +136,10 @@ protected:
explicit TextDocument(Client* client);
private:
void merge_span_collections();
NonnullOwnPtrVector<TextDocumentLine> m_lines;
HashMap<u32, Vector<TextDocumentSpan>> m_span_collections;
Vector<TextDocumentSpan> m_spans;
HashTable<Client*> m_clients;