diff --git a/lib/widget.js b/lib/widget.js
index 020d29e..d9bf83a 100644
--- a/lib/widget.js
+++ b/lib/widget.js
@@ -540,6 +540,19 @@ Screen.prototype.fillRegion = function(attr, ch, xi, xl, yi, yl) {
   }
 };
 
+Screen.prototype.setCell = function(yi, xi, attr, ch) {
+  var lines = this.lines;
+  if (!lines[yi]) return;
+  var cell = lines[yi][xi];
+  if (!cell) return;
+  if (attr !== cell[0] || ch !== cell[1]) {
+    lines[yi][xi][0] = attr;
+    lines[yi][xi][1] = ch;
+    lines[yi].dirty = true;
+  }
+  return true;
+};
+
 /**
  * Element
  */
@@ -1073,9 +1086,6 @@ outer:
   for (yi = yi_; yi < yl; yi++) {
     if (!lines[yi]) break;
     for (xi = xi_; xi < xl; xi++) {
-      cell = lines[yi][xi];
-      if (!cell) break;
-
       if (this.shrink && !content[ci] && yi === yi_) {
         xl = xi + 1 - 1;
         break outer;
@@ -1098,85 +1108,41 @@ outer:
       if (ch === '\n' || ch === '\r') {
         ch = ' ';
         for (; xi < xl; xi++) {
-          cell = lines[yi][xi];
-          if (!cell) break;
-          if (attr !== cell[0] || ch !== cell[1]) {
-            lines[yi][xi][0] = attr;
-            lines[yi][xi][1] = ch;
-            lines[yi].dirty = true;
-          }
+          if (!this.screen.setCell(yi, xi, attr, ch)) break;
         }
         continue;
       }
 
-      if (attr !== cell[0] || ch !== cell[1]) {
-        lines[yi][xi][0] = attr;
-        lines[yi][xi][1] = ch;
-        lines[yi].dirty = true;
-      }
+      if (!this.screen.setCell(yi, xi, attr, ch)) break;
     }
   }
 
   if (this.border) {
     yi_--, yl++, xi_--, xl++;
+    if (this.border.type === 'bg') ch = this.border.ch;
     yi = yi_;
     for (xi = xi_; xi < xl; xi++) {
-      if (!lines[yi]) break;
       if (this.border.type === 'ascii') {
         if (xi === xi_) ch = '┌';
         else if (xi === xl - 1) ch = '┐';
         else ch = '─';
-      } else if (this.border.type === 'bg') {
-        ch = this.border.ch;
-      }
-      cell = lines[yi][xi];
-      if (!cell) break;
-      if (battr !== cell[0] || ch !== cell[1]) {
-        lines[yi][xi][0] = battr;
-        lines[yi][xi][1] = ch;
-        lines[yi].dirty = true;
       }
+      if (!this.screen.setCell(yi, xi, battr, ch)) break;
     }
     yi = yi_ + 1;
+    if (this.border.type === 'ascii') ch = '│';
     for (; yi < yl; yi++) {
-      if (!lines[yi]) break;
-      if (this.border.type === 'ascii') {
-        ch = '│';
-      } else if (this.border.type === 'bg') {
-        ch = this.border.ch;
-      }
-      cell = lines[yi][xi_];
-      if (!cell) break;
-      if (battr !== cell[0] || ch !== cell[1]) {
-        lines[yi][xi_][0] = battr;
-        lines[yi][xi_][1] = ch;
-        lines[yi].dirty = true;
-      }
-      cell = lines[yi][xl - 1];
-      if (!cell) break;
-      if (battr !== cell[0] || ch !== cell[1]) {
-        lines[yi][xl - 1][0] = battr;
-        lines[yi][xl - 1][1] = ch;
-        lines[yi].dirty = true;
-      }
+      if (!this.screen.setCell(yi, xi_, battr, ch)) break;
+      if (!this.screen.setCell(yi, xl - 1, battr, ch)) break;
     }
     yi = yl - 1;
     for (xi = xi_; xi < xl; xi++) {
-      if (!lines[yi]) break;
       if (this.border.type === 'ascii') {
         if (xi === xi_) ch = '└';
         else if (xi === xl - 1) ch = '┘';
         else ch = '─';
-      } else if (this.border.type === 'bg') {
-        ch = this.border.ch;
-      }
-      cell = lines[yi][xi];
-      if (!cell) break;
-      if (battr !== cell[0] || ch !== cell[1]) {
-        lines[yi][xi][0] = battr;
-        lines[yi][xi][1] = ch;
-        lines[yi].dirty = true;
       }
+      if (!this.screen.setCell(yi, xi, battr, ch)) break;
     }
   }