From 8aeb0e4b77a0f6905981df5f2d9c4622d55a12fb Mon Sep 17 00:00:00 2001
From: Zufu Liu <unknown>
Date: Wed, 15 Jul 2020 12:08:11 +1000
Subject: Feature [feature-requests:1368]. Add BraceMatchNext API.

---
 src/Document.cxx | 4 ++--
 src/Document.h   | 2 +-
 src/Editor.cxx   | 5 ++++-
 3 files changed, 7 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/Document.cxx b/src/Document.cxx
index dcb26acdf..95792fa1f 100644
--- a/src/Document.cxx
+++ b/src/Document.cxx
@@ -2657,7 +2657,7 @@ static char BraceOpposite(char ch) noexcept {
 }
 
 // TODO: should be able to extend styled region to find matching brace
-Sci::Position Document::BraceMatch(Sci::Position position, Sci::Position /*maxReStyle*/) noexcept {
+Sci::Position Document::BraceMatch(Sci::Position position, Sci::Position /*maxReStyle*/, Sci::Position startPos, bool useStartPos) noexcept {
 	const char chBrace = CharAt(position);
 	const char chSeek = BraceOpposite(chBrace);
 	if (chSeek == '\0')
@@ -2667,7 +2667,7 @@ Sci::Position Document::BraceMatch(Sci::Position position, Sci::Position /*maxRe
 	if (chBrace == '(' || chBrace == '[' || chBrace == '{' || chBrace == '<')
 		direction = 1;
 	int depth = 1;
-	position = NextPosition(position, direction);
+	position = useStartPos ? startPos : NextPosition(position, direction);
 	while ((position >= 0) && (position < LengthNoExcept())) {
 		const char chAtPos = CharAt(position);
 		const int styAtPos = StyleIndexAt(position);
diff --git a/src/Document.h b/src/Document.h
index 6e8507f04..37c37c4b8 100644
--- a/src/Document.h
+++ b/src/Document.h
@@ -501,7 +501,7 @@ public:
 	Sci::Position ParaUp(Sci::Position pos) const;
 	Sci::Position ParaDown(Sci::Position pos) const;
 	int IndentSize() const noexcept { return actualIndentInChars; }
-	Sci::Position BraceMatch(Sci::Position position, Sci::Position maxReStyle) noexcept;
+	Sci::Position BraceMatch(Sci::Position position, Sci::Position maxReStyle, Sci::Position startPos, bool useStartPos) noexcept;
 
 private:
 	void NotifyModifyAttempt();
diff --git a/src/Editor.cxx b/src/Editor.cxx
index 45cc42804..28fa89120 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -7646,7 +7646,10 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
 	case SCI_BRACEMATCH:
 		// wParam is position of char to find brace for,
 		// lParam is maximum amount of text to restyle to find it
-		return pdoc->BraceMatch(static_cast<Sci::Position>(wParam), lParam);
+		return pdoc->BraceMatch(static_cast<Sci::Position>(wParam), lParam, 0, false);
+
+	case SCI_BRACEMATCHNEXT:
+		return pdoc->BraceMatch(static_cast<Sci::Position>(wParam), 0, lParam, true);
 
 	case SCI_GETVIEWEOL:
 		return vs.viewEOL;
-- 
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