Initial Commit

src/line_index.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"github.com/gdamore/tcell"
+	"strconv"
+	"strings"
+)
+
+func drawLineIndex(window *Window) {
+	screen := window.screen
+	buffer := window.textArea.CurrentBuffer
+
+	lineIndexStyle := tcell.StyleDefault.Foreground(tcell.ColorDimGray).Background(tcell.Color236)
+
+	_, sizeY := screen.Size()
+
+	y := 0
+	if window.ShowTopMenu {
+		y = 1
+	}
+
+	for lineIndex := 1; lineIndex <= strings.Count(buffer.Contents, "\n") && lineIndex < sizeY; lineIndex++ {
+		drawText(screen, 0, y, 3, y, lineIndexStyle, strconv.Itoa(lineIndex)+". ")
+		y++
+	}
+}