diff --git a/src/sao.js b/src/sao.js
index 4e3844b1e9..b08a91ed0c 100644
--- a/src/sao.js
+++ b/src/sao.js
@@ -454,8 +454,10 @@ var Sao = {};
             jQuery('#menu').append(gs.el);
             jQuery('#menu').append(
                 form.screen.screen_container.content_box.detach());
-            form.screen.views[0].columns.push(
-                new FavoriteColumn(form.screen.model.fields.favorite));
+            var column = new FavoriteColumn(form.screen.model.fields.favorite);
+            form.screen.views[0].table.find('> colgroup').append(column.col);
+            form.screen.views[0].table.find('> thead > tr').append(column.header);
+            form.screen.views[0].columns.push(column);
         });
     };
     Sao.main_menu_screen = null;
@@ -463,6 +465,9 @@ var Sao = {};
     var FavoriteColumn = Sao.class_(Object, {
         init: function(favorite) {
             this.field = favorite;
+            this.col = jQuery('<col/>', {
+                'class': 'favorite',
+            });
             this.header = jQuery('<th/>');
             this.footers = [];
             this.attributes = jQuery.extend({}, this.field.description);
diff --git a/src/sao.less b/src/sao.less
index 44dc6e300e..aab74aaa9d 100644
--- a/src/sao.less
+++ b/src/sao.less
@@ -83,12 +83,16 @@ img.icon {
 
     & > table.tree {
         width: 100%;
+        table-layout: fixed;
 
-        & th.selection, td.selection {
+        & col.selection-state, col.favorite {
+            width: 30px;
+        }
+
+        & th.selection-state, td.selection-state {
             & > input {
                 .center-block();
             }
-            width: 30px;
         }
         & > thead > tr > th {
             & > label.sortable {
@@ -96,7 +100,6 @@ img.icon {
             }
             overflow: hidden;
             text-overflow: ellipsis;
-            min-width: 30px;
             text-align: center;
             &.char, &.text, &.many2one, &.one2one, &.date, &.time, &.selection,
             &.reference, &.url, &.email, &.callto, &.sip {
@@ -134,6 +137,13 @@ img.icon {
     & td {
         white-space: nowrap;
         text-overflow: ellipsis;
+        overflow: hidden;
+    }
+    & td.edited {
+        /* We have to define an overflow:visible in order for the
+        completion widget to be shown */
+        overflow: visible;
+        padding: 0 0;
     }
     & td > .column-text {
         white-space: pre;
@@ -151,6 +161,13 @@ img.icon {
     & label.editable {
         font-style: italic;
     }
+
+    & .btn {
+        padding-top: 0;
+        padding-bottom: 0;
+        margin-top: -@table-condensed-cell-padding;
+        margin-bottom: -@table-condensed-cell-padding;
+    }
 }
 
 .form {
@@ -315,10 +332,6 @@ input.column-boolean {
 }
 
 @media screen and (max-width: @screen-xs-max) {
-    .treeview.responsive {
-        /* Override the width from Sao.View.resize */
-        width: 100% !important;
-    }
     table.responsive,
     table.responsive > thead,
     table.responsive > thead > tr,
diff --git a/src/tab.js b/src/tab.js
index 7c8eb2bb13..ae317e2d00 100644
--- a/src/tab.js
+++ b/src/tab.js
@@ -380,9 +380,6 @@
             id: tab.id
         }).html(tab.el)
         .appendTo(tabcontent);
-        tab_link.on('shown.bs.tab', function() {
-            Sao.View.resize(tab.el);
-        });
         tab_link.tab('show');
         tabs.trigger('ready');
     };
diff --git a/src/view.js b/src/view.js
index f9ce1cb6c2..d0791e24dd 100644
--- a/src/view.js
+++ b/src/view.js
@@ -61,29 +61,4 @@
                 return new Sao.View.Calendar(screen, xml);
         }
     };
-
-    Sao.View.resize = function(el) {
-        // Let the browser compute the table size with the fixed layout
-        // then set this size to the treeview to allow scroll on overflow
-        // and set the table layout to auto to get the width from the content.
-        if (!el) {
-            el = jQuery(document);
-        }
-        el.find('.treeview').each(function() {
-            var treeview = jQuery(this);
-            treeview.css('width', '100%');
-            treeview.children('.tree').css('table-layout', 'fixed');
-        });
-        el.find('.treeview').each(function() {
-            var treeview = jQuery(this);
-            if (treeview.width()) {
-                treeview.css('width', treeview.width());
-                treeview.children('.tree').css('table-layout', 'auto');
-            }
-        });
-    };
-    jQuery(window).resize(function() {
-        Sao.View.resize();
-    });
-
 }());
diff --git a/src/view/form.js b/src/view/form.js
index 0e49acd763..bd366dfa1f 100644
--- a/src/view/form.js
+++ b/src/view/form.js
@@ -351,7 +351,6 @@ function eval_pyson(value){
                         var container = this.containers[j];
                         container.resize();
                     }
-                    Sao.View.resize(this.el);
                 }.bind(this));
         },
         set_value: function() {
@@ -769,10 +768,8 @@ function eval_pyson(value){
                     'href': '#' + tab_id
                 })
                 .append(img)
-                .append(text)
-                .on('shown.bs.tab', function() {
-                    Sao.View.resize(tab);
-                })).appendTo(this.nav);
+                .append(text))
+                .appendTo(this.nav);
             pane.html(tab).appendTo(this.panes);
             if (!this.selected) {
                 // Can not use .tab('show')
diff --git a/src/view/tree.js b/src/view/tree.js
index d03c363fa6..bd7fd061c0 100644
--- a/src/view/tree.js
+++ b/src/view/tree.js
@@ -77,10 +77,14 @@
                 this.table.addClass('table-bordered');
             }
             this.el.append(this.table);
+            var colgroup = jQuery('<colgroup/>').appendTo(this.table);
+            var col = jQuery('<col/>', {
+                'class': 'selection-state',
+            }).appendTo(colgroup);
             this.thead = jQuery('<thead/>').appendTo(this.table);
             var tr = jQuery('<tr/>');
             var th = jQuery('<th/>', {
-                'class': 'selection'
+                'class': 'selection-state'
             });
             this.selection = jQuery('<input/>', {
                 'type': 'checkbox',
@@ -101,11 +105,15 @@
             }
 
             this.columns.forEach(function(column) {
+                col = jQuery('<col/>', {
+                    'class': column.attributes.widget,
+                }).appendTo(colgroup);
                 th = jQuery('<th/>', {
                     'class': column.attributes.widget,
                 });
                 var label = jQuery('<label/>')
-                    .text(column.attributes.string);
+                    .text(column.attributes.string)
+                    .attr('title', column.attributes.string);
                 if (this.editable) {
                     if (column.attributes.required) {
                         label.addClass('required');
@@ -126,6 +134,7 @@
                 }
                 tr.append(th.append(label));
                 column.header = th;
+                column.col = col;
 
                 column.footers = [];
                 if (!jQuery.isEmptyObject(this.sum_widgets)) {
@@ -386,6 +395,30 @@
                         });
                     }
                 }
+
+                if (column.header.hasClass('invisible')) {
+                    column.col.css('width', 0);
+                    column.col.hide();
+                } else if (!column.col.hasClass('selection-state') &&
+                    !column.col.hasClass('favorite')) {
+                    var width = {
+                        'integer': 6,
+                        'biginteger': 6,
+                        'float': 8,
+                        'numeric': 8,
+                        'timedelta': 10,
+                        'date': 10,
+                        'datetime': 10,
+                        'time': 10,
+                        'selection': 9,
+                        'char': 10,
+                        'one2many': 5,
+                        'many2many': 5,
+                        'boolean': 2,
+                        'binary': 20,
+                    }[column.attributes.widget] || 10;
+                    column.col.css('width', width * 100 + '%');
+                }
             }.bind(this));
             this.tbody.find('tr.more-row > td').attr(
                 'colspan', visible_columns);
@@ -784,7 +817,7 @@
             var td;
             this.tree.el.uniqueId();
             td = jQuery('<td/>', {
-                'class': 'selection',
+                'class': 'selection-state',
             });
             this.el.append(td);
             this.selection = jQuery('<input/>', {
@@ -803,7 +836,6 @@
                 }).append(jQuery('<span/>', { // For responsive min-height
                     'aria-hidden': true
                 }));
-                td.css('overflow', 'hidden');
                 td.on('click keypress', {column: i, td: td},
                         Sao.common.click_press(this.select_row.bind(this),
                             true));
@@ -1253,16 +1285,6 @@
                     widget = new EditableBuilder(attributes.name,
                             this.tree.screen.model, attributes);
                     widget.view = this.tree;
-                    // We have to define an overflow:visible in order for the
-                    // completion widget to be shown
-                    widget.el.on('focusin', function() {
-                        jQuery(this).parents('.treeview td')
-                            .css('overflow', 'visible');
-                    });
-                    widget.el.on('focusout', function() {
-                        jQuery(this).parents('.treeview td')
-                            .css('overflow', 'hidden');
-                    });
                     var editable_el = this.get_editable_el();
                     editable_el.append(widget.el);
                     editable_el.data('widget', widget);
@@ -1271,7 +1293,8 @@
                     field = this.record.model.fields[widget.field_name];
                     widget.display(this.record, field);
                     this.get_static_el().hide();
-                    this.get_editable_el().show();
+                    widget.el.parents('.treeview td').addClass('edited');
+                    editable_el.show();
                     widget.focus();
                 } else if (!selected) {
                     this.set_selection(true);
@@ -1303,6 +1326,7 @@
             editable.empty();
             editable.data('widget', null);
             this.edited_column = null;
+            editable.parents('.treeview td').removeClass('edited');
         },
         get_active_td: function() {
             return this._get_column_td(this.edited_column);
@@ -1534,7 +1558,8 @@
             return cell;
         },
         update_text: function(cell, record) {
-            cell.text(this.field.get_client(record));
+            var text = this.field.get_client(record);
+            cell.text(text).attr('title', text);
         },
         render: function(record, cell) {
             if (!cell) {
@@ -1568,7 +1593,8 @@
             return Sao.View.Tree.IntegerColumn._super.get_cell.call(this);
         },
         update_text: function(cell, record) {
-            cell.text(this.field.get_client(record, this.factor));
+            var value = this.field.get_client(record, this.factor);
+            cell.text(value).attr('title', value);
         }
     });
 
@@ -1655,7 +1681,7 @@
                     prm = jQuery.when(text);
                 }
                 prm.done(function(text_value) {
-                    cell.text(text_value);
+                    cell.text(text_value).attr('title', text_value);
                 }.bind(this));
             }.bind(this));
         }
@@ -1679,7 +1705,7 @@
         update_text: function(cell, record) {
             this.update_selection(record, function() {
                 var value = this.field.get_client(record);
-                var model, name;
+                var model, name, text;
                 if (!value) {
                     model = '';
                     name = '';
@@ -1694,10 +1720,11 @@
                             break;
                         }
                     }
-                    cell.text(model + ',' + name);
+                    text = model + ',' + name;
                 } else {
-                    cell.text(name);
+                    text = name;
                 }
+                cell.text(text).attr('title', text);
             }.bind(this));
         }
     });
@@ -1707,7 +1734,8 @@
         update_text: function(cell, record) {
             var value = this.field.get_client(record);
             var date_format = this.field.date_format(record);
-            cell.text(Sao.common.format_date(date_format, value));
+            var text = Sao.common.format_date(date_format, value);
+            cell.text(text).attr('title', text);
         }
     });
 
@@ -1715,8 +1743,9 @@
         class_: 'column-time',
         update_text: function(cell, record) {
             var value = this.field.get_client(record);
-            cell.text(Sao.common.format_time(
-                    this.field.time_format(record), value));
+            var text = Sao.common.format_time(
+                    this.field.time_format(record), value);
+            cell.text(text).attr('title', text);
         }
     });
 
@@ -1727,7 +1756,8 @@
     Sao.View.Tree.One2ManyColumn = Sao.class_(Sao.View.Tree.CharColumn, {
         class_: 'column-one2many',
         update_text: function(cell, record) {
-            cell.text('( ' + this.field.get_client(record).length + ' )');
+            var text = '( ' + this.field.get_client(record).length + ' )';
+            cell.text(text).attr('title', text);
         }
     });
 
@@ -1754,7 +1784,7 @@
                 size = this.field.get(record).length;
             }
             var text = size? Sao.common.humanize(size) : '';
-            cell.children('span').text(text);
+            cell.children('span').text(text).attr('title', text);
             var button = cell.children('button');
             if (!button.length) {
                 button = jQuery('<button/>', {
@@ -1876,7 +1906,7 @@
             var progressbar = cell.find('.progress-bar');
             progressbar.attr('aria-valuenow', value * 100);
             progressbar.css('width', value * 100 + '%');
-            progressbar.text(text);
+            progressbar.text(text).attr('title', text);
         }
     });
 
diff --git a/src/wizard.js b/src/wizard.js
index bea29d7199..aa176ba581 100644
--- a/src/wizard.js
+++ b/src/wizard.js
@@ -217,9 +217,6 @@
             Sao.Wizard.Dialog._super.init.call(this);
             var dialog = new Sao.Dialog(name, 'wizard-dialog', 'lg');
             this.dialog = dialog.modal;
-            this.dialog.on('shown.bs.modal', function () {
-                Sao.View.resize(jQuery(this));
-            });
             this.content = dialog.content;
             this.footer = dialog.footer;
             dialog.body.append(this.widget).append(this.info_bar.el);