[MERGE] forward port branch saas-12.4 up to fe59754c520

closes odoo/odoo#36721

Signed-off-by: Christophe Simonis <chs@odoo.com>

2 files changed, 15 insertions, 2 deletions

diff --git a/addons/web/static/src/js/widgets/auto_complete.js b/addons/web/static/src/js/widgets/auto_complete.js
index 4da54cf8b5c..1bb00be8d38 100644
--- a/addons/web/static/src/js/widgets/auto_complete.js
+++ b/addons/web/static/src/js/widgets/auto_complete.js
@@ -140,12 +140,22 @@ return Widget.extend({
             var $item = self.make_list_item(result).appendTo($list);
             result.$el = $item;
         });
+        // IE9 doesn't support addEventListener with option { once: true }
+        this.el.onmousemove = function (ev) {
+            self.$('li').each(function (index, li) {
+                li.onmouseenter = self.focus_element.bind(self, $(li));
+            });
+            var targetFocus = ev.target.tagName === 'LI' ?
+                ev.target :
+                ev.target.closest('li');
+            self.focus_element($(targetFocus));
+            self.el.onmousemove = null;
+        };
         this.show();
     },
     make_list_item: function (result) {
         var self = this;
         var $li = $('<li>')
-            .hover(function () {self.focus_element($li);})
             .mousedown(function (ev) {
                 if (ev.button === 0) { // left button
                     self.select(ev, {item: {facet: result.facet}});
diff --git a/addons/web/static/src/js/widgets/date_picker.js b/addons/web/static/src/js/widgets/date_picker.js
index 5b4480838fe..ac8e83c8e30 100644
--- a/addons/web/static/src/js/widgets/date_picker.js
+++ b/addons/web/static/src/js/widgets/date_picker.js
@@ -92,8 +92,8 @@ var DateWidget = Widget.extend({
      * set datetime value
      */
     changeDatetime: function () {
+        var oldValue = this.getValue();
         if (this.isValid()) {
-            var oldValue = this.getValue();
             this._setValueFromUi();
             var newValue = this.getValue();
             var hasChanged = !oldValue !== !newValue;
@@ -110,6 +110,9 @@ var DateWidget = Widget.extend({
                 }
                 this.trigger("datetime_changed");
             }
+        } else {
+            var formattedValue = oldValue ? this._formatClient(oldValue) : null;
+            this.$input.val(formattedValue);
         }
     },
     /**