shift-click to draw a straight line

1 files changed, 6 insertions, 1 deletions

diff --git a/js/ui/canvas.js b/js/ui/canvas.js
index e36f1b5..7e75ef6 100644
--- a/js/ui/canvas.js
+++ b/js/ui/canvas.js
@@ -26,7 +26,12 @@ var canvas = current_canvas = (function(){
 				current_canvas = canvas
 				if (drawing) {
 					erasing = (e.which == "3" || e.ctrlKey)
-					draw(lex, x, y, erasing)
+					if (e.shiftKey) {
+            line(lex, last_point, point, erasing)
+					}
+					else {
+					  draw(lex, x, y, erasing)
+					}
 					last_point[0] = x
 					last_point[1] = y
 				}