more subtle

1 files changed, 17 insertions, 0 deletions

diff --git a/js/util.js b/js/util.js
index f2fd129..ca97630 100644
--- a/js/util.js
+++ b/js/util.js
@@ -174,6 +174,23 @@ function defaults (dest, src) {
 	return dest
 }
 
+function setSelectionRange(input, selectionStart, selectionEnd) {
+  if (input.setSelectionRange) {
+    input.focus();
+    input.setSelectionRange(selectionStart, selectionEnd);
+  }
+  else if (input.createTextRange) {
+    var range = input.createTextRange();
+    range.collapse(true);
+    range.moveEnd('character', selectionEnd);
+    range.moveStart('character', selectionStart);
+    range.select();
+  }
+}
+function setCaretToPos(input, pos) {
+  setSelectionRange(input, pos, pos);
+}
+
 // Naive useragent detection pattern
 var is_iphone = (navigator.userAgent.match(/iPhone/i)) || (navigator.userAgent.match(/iPod/i))
 var is_ipad = (navigator.userAgent.match(/iPad/i))