Patch from nissl in RFE 1164540 adds WrapCount method.

2 files changed, 16 insertions, 0 deletions

diff --git a/src/Editor.cxx b/src/Editor.cxx
index 9211335df..5eb384bb2 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -5572,6 +5572,18 @@ int Editor::CodePage() const {
 		return 0;
 }
 
+int Editor::WrapCount(int line) {
+	AutoSurface surface(this);
+	AutoLineLayout ll(llc, RetrieveLineLayout(line));
+
+	if (surface && ll) {
+		LayoutLine(line, surface, vs, ll, wrapWidth);
+		return ll->lines;
+	} else {
+		return 1;
+	}
+}
+
 static bool ValidMargin(unsigned long wParam) {
 	return wParam < ViewStyle::margins;
 }
@@ -6642,6 +6654,9 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
 	case SCI_DOCLINEFROMVISIBLE:
 		return cs.DocFromDisplay(wParam);
 
+	case SCI_WRAPCOUNT:
+		return WrapCount(wParam);
+
 	case SCI_SETFOLDLEVEL: {
 			int prev = pdoc->SetLevel(wParam, lParam);
 			if (prev != lParam)
diff --git a/src/Editor.h b/src/Editor.h
index bace500bd..76e79e7e7 100644
--- a/src/Editor.h
+++ b/src/Editor.h
@@ -516,6 +516,7 @@ protected:	// ScintillaBase subclass needs access to much of Editor
 	void GetHotSpotRange(int& hsStart, int& hsEnd);
 
 	int CodePage() const;
+	int WrapCount(int line);
 
 	virtual sptr_t DefWndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) = 0;