From ee0f914744608d9a859aa7212fe839e5e638776e Mon Sep 17 00:00:00 2001
From: Prakash Sahni <unknown>
Date: Fri, 12 Jun 2020 09:34:59 +1000
Subject: Backport: Bug [#2141]. Implement end of line annotations.

Backport of changeset 8306:1b383adfdf71.
---
 src/Document.cxx | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

(limited to 'src/Document.cxx')

diff --git a/src/Document.cxx b/src/Document.cxx
index b3ff671da..be3c01fa3 100644
--- a/src/Document.cxx
+++ b/src/Document.cxx
@@ -140,6 +140,7 @@ Document::Document(int options) :
 	perLineData[ldState] = Sci::make_unique<LineState>();
 	perLineData[ldMargin] = Sci::make_unique<LineAnnotation>();
 	perLineData[ldAnnotation] = Sci::make_unique<LineAnnotation>();
+	perLineData[ldEOLAnnotation] = Sci::make_unique<LineAnnotation>();
 
 	decorations = DecorationListCreate(IsLarge());
 
@@ -215,6 +216,10 @@ LineAnnotation *Document::Annotations() const noexcept {
 	return dynamic_cast<LineAnnotation *>(perLineData[ldAnnotation].get());
 }
 
+LineAnnotation *Document::EOLAnnotations() const noexcept {
+	return dynamic_cast<LineAnnotation *>(perLineData[ldEOLAnnotation].get());
+}
+
 int Document::LineEndTypesSupported() const {
 	if ((SC_CP_UTF8 == dbcsCodePage) && pli)
 		return pli->LineEndTypesSupported();
@@ -2388,6 +2393,36 @@ void Document::AnnotationClearAll() {
 	Annotations()->ClearAll();
 }
 
+StyledText Document::EOLAnnotationStyledText(Sci::Line line) const noexcept {
+	const LineAnnotation *pla = EOLAnnotations();
+	return StyledText(pla->Length(line), pla->Text(line),
+		pla->MultipleStyles(line), pla->Style(line), pla->Styles(line));
+}
+
+void Document::EOLAnnotationSetText(Sci::Line line, const char *text) {
+	if (line >= 0 && line < LinesTotal()) {
+		EOLAnnotations()->SetText(line, text);
+		DocModification mh(SC_MOD_CHANGEEOLANNOTATION, LineStart(line),
+			0, 0, 0, line);
+		NotifyModified(mh);
+	}
+}
+
+void Document::EOLAnnotationSetStyle(Sci::Line line, int style) {
+	EOLAnnotations()->SetStyle(line, style);
+	const DocModification mh(SC_MOD_CHANGEEOLANNOTATION, LineStart(line),
+		0, 0, 0, line);
+	NotifyModified(mh);
+}
+
+void Document::EOLAnnotationClearAll() {
+	const Sci::Line maxEditorLine = LinesTotal();
+	for (Sci::Line l=0; l<maxEditorLine; l++)
+		EOLAnnotationSetText(l, nullptr);
+	// Free remaining data
+	EOLAnnotations()->ClearAll();
+}
+
 void Document::IncrementStyleClock() noexcept {
 	styleClock = (styleClock + 1) % 0x100000;
 }
-- 
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