misc refactoring

build/texty.js

@@ -869,7 +869,7 @@ Text.prototype.size = function(n){
  * @api private
  */
 
-Text.prototype.drawSelection = function(ctx, x, y, height, text){
+Text.prototype.drawSelection = function(ctx, x, y, size, text){
   var selection = this.selection()
     , from = selection.from
     , to = selection.to
@@ -878,7 +878,7 @@ Text.prototype.drawSelection = function(ctx, x, y, height, text){
     , last = before[beforeLen - 1]
     , selected = text.slice(from, to).split('\n')
     , selectionLen = selected.length
-    , px = height / 2
+    , px = size / 2
     , ox = x
     , oy = y
     , width
@@ -887,24 +887,24 @@ Text.prototype.drawSelection = function(ctx, x, y, height, text){
   ctx.fillStyle = this._selectionBackgroundColor;
 
   // first
-  y += (beforeLen - 1) * height;
+  y += (beforeLen - 1) * size;
   width = ctx.measureText(selected[0]).width;
   last = ctx.measureText(last).width;
-  ctx.fillRect(x + last, y - px, width, height);
+  ctx.fillRect(x + last, y - px, width, size);
 
   // mid
   for (var i = 1, len = selectionLen - 1; i < len; ++i) {
-    y += height;
+    y += size;
     width = ctx.measureText(selected[i]).width;
-    ctx.fillRect(x, y - px, width, height);
+    ctx.fillRect(x, y - px, width, size);
   }
 
   // last
   if (selectionLen < 2) return;
-  y += height;
+  y += size;
   last = selected[selectionLen - 1];
   width = ctx.measureText(last).width;
-  ctx.fillRect(x, y - px, width, height);
+  ctx.fillRect(x, y - px, width, size);
 };
 
 /**