From 1bb6c16786cf1fadd69607284c1853019395c800 Mon Sep 17 00:00:00 2001
From: Keiran <keircn@proton.me>
Date: Wed, 6 Aug 2025 10:11:05 +0100
Subject: [PATCH] add line numbers

---
 cmd/goedit/main.go | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/cmd/goedit/main.go b/cmd/goedit/main.go
index 06a1736..49cd93c 100644
--- a/cmd/goedit/main.go
+++ b/cmd/goedit/main.go
@@ -150,21 +150,25 @@ func (m Model) View() string {
 	b.WriteString("Text Editor (Ctrl+C or Esc to quit)\n\n")
 
 	contentHeight := m.height - 4
+	lineNumWidth := len(fmt.Sprintf("%d", len(m.lines))) + 1
 
 	for i, line := range m.lines {
 		if i >= contentHeight {
 			break
 		}
+
+		lineNum := fmt.Sprintf("%*d ", lineNumWidth, i+1)
+
 		if i == m.row {
 			if m.col == 0 {
-				b.WriteString("█" + line + "\n")
+				b.WriteString(lineNum + "█" + line + "\n")
 			} else if m.col >= len(line) {
-				b.WriteString(line + "█\n")
+				b.WriteString(lineNum + line + "█\n")
 			} else {
-				b.WriteString(line[:m.col] + "█" + line[m.col:] + "\n")
+				b.WriteString(lineNum + line[:m.col] + "█" + line[m.col:] + "\n")
 			}
 		} else {
-			b.WriteString(line + "\n")
+			b.WriteString(lineNum + line + "\n")
 		}
 	}
 
@@ -178,6 +182,7 @@ func (m Model) View() string {
 
 	return b.String()
 }
+
 func main() {
 	p := tea.NewProgram(NewModel(), tea.WithAltScreen())
 	if _, err := p.Run(); err != nil {