From d7657709a54750766aa2803279a7353e6a7fb6df Mon Sep 17 00:00:00 2001
From: tomsmeding <tom.smeding@gmail.com>
Date: Tue, 10 Jan 2017 10:16:51 +0100
Subject: Fix line numbering for large lines

---
 buffer.cpp | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

(limited to 'buffer.cpp')

diff --git a/buffer.cpp b/buffer.cpp
index 9b91e43..97c898f 100644
--- a/buffer.cpp
+++ b/buffer.cpp
@@ -302,6 +302,7 @@ i64 numberWidth(i64 number){
 
 void Buffer::show(i64 atx,i64 aty,i64 width,i64 height){
 	static const Style gutterStyle={3,9,false,false};
+	static const Style gutterContinuationStyle={1,9,false,true};
 	static const Style textStyle={9,9,false,false};
 	static const Style specialStyle={5,9,false,false};
 
@@ -322,13 +323,17 @@ void Buffer::show(i64 atx,i64 aty,i64 width,i64 height){
 	i64 curScreenX=-1,curScreenY=-1;
 	// cerr<<"Buffer::show: screen.size()="<<screen.size()<<endl;
 	for(y=0;y<(i64)screen.size();y++){
-		moveto(atx,aty+y);
-		setstyle(&gutterStyle);
-		i64 nspaces=gutterWidth-1-numberWidth(screen[y].line+1);
-		for(i64 i=0;i<nspaces;i++){
-			tputc(' ');
+		if(screen[y].fromx==0){
+			setstyle(&gutterStyle);
+			moveto(atx+gutterWidth-1-numberWidth(screen[y].line+1),aty+y);
+			tprintf("%" PRIi64,screen[y].line+1);
+		} else if(y==0){
+			setstyle(&gutterContinuationStyle);
+			moveto(atx+gutterWidth-2-numberWidth(screen[y].line+1),aty+y);
+			tprintf("^%" PRIi64,screen[y].line+1);
 		}
-		tprintf("%" PRIi64 " ",screen[y].line+1);
+
+		moveto(atx+gutterWidth,aty+y);
 
 		i64 screenX=atx+gutterWidth;
 		setstyle(&textStyle);
-- 
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