Handle drop event

src/xterm.js

@@ -418,6 +418,7 @@
       Terminal.bindPaste(this);
       Terminal.bindKeys(this);
       Terminal.bindCopy(this);
+      Terminal.bindDrop(this);
     };
 
     /**
@@ -458,6 +459,17 @@
     };
 
 
+    Terminal.bindDrop = function (term) {
+      /*
+       * Do not perform the "drop" event. Altering the contents of the
+       * terminal with drag n drop is unwanted behavior.
+       */
+      on(term.element, 'drop', function (ev) {
+        term.cancel(ev, true);
+      });
+    };
+
+
     /*
      * Insert the given row to the terminal or produce a new one
      * if no row argument is passed. Return the inserted row.
@@ -512,6 +524,7 @@
       this.element.classList.add('xterm-theme-' + this.theme);
       this.element.setAttribute('tabindex', 0);
       this.element.contentEditable = 'true';
+      this.element.spellcheck = 'false';
 
       /*
       * Create the container that will hold the lines of the terminal and then