Capture backspace key in list mode (#1484566)

CHANGELOG

@@ -7,6 +7,7 @@ CHANGELOG RoundCube Webmail
 - Respect Content-Location headers in multipart/related messages according to RFC2110 (#1484946)
 - Applied mime_decode patch by David Lublink
 - Allowed max. attachment size now indicated in compose screen (#1485030)
+- Also capture backspace key in list mode (#1484566)
 
 2008/09/04 (alec)
 ----------

program/js/app.js

@@ -1283,6 +1283,8 @@ function rcube_webmail()
       this.command('show');
     else if (list.key_pressed == list.DELETE_KEY)
       this.command('delete');
+    else if (list.key_pressed == list.BACKSPACE_KEY)
+      this.command('delete');
     else
       list.shiftkey = false;
     };

program/js/list.js

@@ -26,6 +26,7 @@ function rcube_list_widget(list, p)
   // static contants
   this.ENTER_KEY = 13;
   this.DELETE_KEY = 46;
+  this.BACKSPACE_KEY = 8;
   
   this.list = list ? list : null;
   this.frame = null;
@@ -574,6 +575,9 @@ key_press: function(e)
       this.shiftkey = e.shiftKey;
       this.key_pressed = keyCode;
       this.trigger_event('keypress');
+      
+      if (this.key_pressed == list.BACKSPACE_KEY)
+        return rcube_event.cancel(e);
   }
   
   return true;