From 0adca4ad14500910cca14a54d7d4c19e740606da Mon Sep 17 00:00:00 2001
From: nyamatongwe <unknown>
Date: Thu, 7 Apr 2011 21:26:47 +1000
Subject: =?UTF-8?q?Add=20highlighting=20of=20current=20folding=20block.=20?=
 =?UTF-8?q?Feature=20#3147069.=20APIs=20MarkerEnableHighlight=20and=20Mark?=
 =?UTF-8?q?erSetBackSelected.=20From=20J=C3=A9r=C3=B4me=20Laforge.?=
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---
 src/Document.h | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

(limited to 'src/Document.h')

diff --git a/src/Document.h b/src/Document.h
index fd0998260..851c10081 100644
--- a/src/Document.h
+++ b/src/Document.h
@@ -115,6 +115,47 @@ struct StyledText {
 	}
 };
 
+class HighlightDelimiter {
+public:
+	HighlightDelimiter() {
+		beginFoldBlock = -1;
+		endFoldBlock = -1;
+		beginMarginCorrectlyDrawnZone = -1;
+		endMarginCorrectlyDrawnZone = -1;
+		isEnabled = false;
+	}
+
+	bool NeedsDrawing(int line) {
+		return isEnabled && (line <= beginMarginCorrectlyDrawnZone || endMarginCorrectlyDrawnZone <= line);
+	}
+
+	bool isCurrentBlockHighlight(int line) {
+		return isEnabled && beginFoldBlock <= line && line <= endFoldBlock;
+	}
+
+	bool isHeadBlockFold(int line) {
+		return beginFoldBlock == line && line < endFoldBlock;
+	}
+
+	bool isBodyBlockFold(int line) {
+		return beginFoldBlock < line && line < endFoldBlock;
+	}
+
+	bool isTailBlockFold(int line) {
+		return beginFoldBlock < line && line == endFoldBlock;
+	}
+
+	// beginFoldBlock : Begin of current fold block.
+	// endStartBlock : End of zone where margin is already drawn.
+	// beginMarginCorrectlyDrawnZone : Begin of zone where margin is already drawn.
+	// endMarginCorrectlyDrawnZone : End of current fold block.
+	int beginFoldBlock;
+	int endFoldBlock;
+	int beginMarginCorrectlyDrawnZone;
+	int endMarginCorrectlyDrawnZone;
+	bool isEnabled;
+};
+
 class CaseFolder {
 public:
 	virtual ~CaseFolder() {
@@ -299,6 +340,7 @@ public:
 	void ClearLevels();
 	int GetLastChild(int lineParent, int level=-1);
 	int GetFoldParent(int line);
+	void GetHighlightDelimiters(int line, HighlightDelimiter &hDelimiter);
 
 	void Indent(bool forwards);
 	int ExtendWordSelect(int pos, int delta, bool onlyWordCharacters=false);
-- 
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