From aa2f6e2260ada3ff762389057126fec1b6bfdc4d Mon Sep 17 00:00:00 2001
From: Matuush <matus1@pull.cz>
Date: Mon, 7 Apr 2025 21:05:05 +0200
Subject: [PATCH] Print only relevant lines while inserting/deleting lines

---
 main.cpp | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/main.cpp b/main.cpp
index 1472c4e..0345c6d 100644
--- a/main.cpp
+++ b/main.cpp
@@ -51,19 +51,25 @@ bool save(string filename) {
 }
 
 
-// Print line
-void print_line(int pos) {
+// Clear line
+void clear_line(int pos) {
 	move(pos, 0);
 	clrtoeol();
+}
+// Print line
+void print_line(int pos) {
+	clear_line(pos);
 	move(pos, 0);
 	adds(get_line(pos));
 	move(row, col);
 }
 // Print file content
-void print_file() {
-	clear();
-	for(int i = 0; i < LINES && file_offset+i < file.size(); i++)
-		print_line(i);
+void print_file(int start = 0) {
+	for(int i = start; i < LINES; i++)
+		if(file_offset+i < file.size())
+			print_line(i);
+		else
+			clear_line(i);
 	move(row, col);
 }
 
@@ -153,7 +159,7 @@ int main(int argc, char* argv[]) {
 						break;
 					case 'd':
 						remove_line(row);
-						print_file();
+						print_file(row);
 						break;
 					case 'x':
 						remove_char(row, col);
@@ -161,7 +167,7 @@ int main(int argc, char* argv[]) {
 						break;
 					case 'o':
 						add_line(row);
-						print_file();
+						print_file(row);
 						break;
 					case 'q':
 						run = false;