multi-line pasting mostly works

gui/buffer.go

@@ -109,12 +109,24 @@ func (b *Buffer) OnInit() {}
 
 func (b *Buffer) appendLine(val string) {
 	b.contents = append(b.contents, rope.New(val))
-
 	// because we've added a new line
 	// we have to set the x to the start
 	b.curs.x = 0
 }
 
+// inserts a string, handling all of the newlines etc
+func (b *Buffer) insertString(idx int, val string) {
+	lines := strings.Split(val, "\n")
+
+	for _, l := range lines {
+		b.contents = append(b.contents, new(rope.Rope))
+		copy(b.contents[b.curs.y+idx+1:], b.contents[b.curs.y+idx:])
+		b.contents[b.curs.y+idx] = rope.New(l)
+		b.moveDown()
+	}
+
+}
+
 func (b *Buffer) insertRune(r rune) {
 	log.Println("Inserting rune ", r, " into current line at ", b.curs.x, ":", b.curs.y)
 	log.Println("Line before insert> ", b.contents[b.curs.y])

gui/shortcuts.go

@@ -9,9 +9,9 @@ import (
 
 func Paste(b *Buffer) bool {
 	str, err := clipboard.ReadAll()
-	
+
 	if err == nil {
-		b.contents[b.curs.y] = b.contents[b.curs.y].Insert(b.curs.x, str)
+		b.insertString(b.curs.x, str)
 		b.moveToEndOfLine()
 		return true
 	}