[gnome-control-center] project: Switch to the new shell



commit d5c4436869d7d153679fda6d759ecb864400d6d5
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Thu Aug 3 18:24:27 2017 +0100

    project: Switch to the new shell
    
    This is the bomb dropping commit. It does so simply by
    changing the compiled files, and adjusting the build
    projects proper.

 shell/Makefile.am               |    2 +
 shell/alt/Makefile.am           |    2 -
 shell/alt/cc-window.c           | 1167 ++++++++++++++++++++++++++++++++-------
 shell/{alt => }/cc-panel-list.c |    0
 shell/{alt => }/cc-panel-list.h |    0
 shell/cc-panel-loader.c         |   18 +-
 shell/cc-shell-model.h          |    8 +-
 shell/cc-window.c               | 1167 +++++++--------------------------------
 8 files changed, 1182 insertions(+), 1182 deletions(-)
---
diff --git a/shell/Makefile.am b/shell/Makefile.am
index 6af3199..8099330 100644
--- a/shell/Makefile.am
+++ b/shell/Makefile.am
@@ -55,6 +55,8 @@ common_sources =                              \
 
 gnome_control_center_SOURCES =                 \
        $(common_sources)                       \
+       cc-panel-list.c                         \
+       cc-panel-list.h                         \
        cc-window.c                             \
        cc-window.h
 
diff --git a/shell/alt/Makefile.am b/shell/alt/Makefile.am
index 8e84811..d740d51 100644
--- a/shell/alt/Makefile.am
+++ b/shell/alt/Makefile.am
@@ -12,8 +12,6 @@ AM_CPPFLAGS =                                 \
 noinst_LTLIBRARIES = libshell_alt.la
 
 libshell_alt_la_SOURCES =                      \
-       cc-panel-list.c                         \
-       cc-panel-list.h                         \
        cc-window.c                             \
        cc-window.h
 
diff --git a/shell/alt/cc-window.c b/shell/alt/cc-window.c
index 9f29c55..94e0573 100644
--- a/shell/alt/cc-window.c
+++ b/shell/alt/cc-window.c
@@ -1,7 +1,6 @@
 /*
  * Copyright (c) 2009, 2010 Intel, Inc.
  * Copyright (c) 2010 Red Hat, Inc.
- * Copyright (c) 2016 Endless, Inc.
  *
  * The Control Center is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by the
@@ -37,25 +36,41 @@
 #include "cc-shell.h"
 #include "cc-shell-category-view.h"
 #include "cc-shell-model.h"
-#include "cc-panel-list.h"
 #include "cc-panel-loader.h"
 #include "cc-util.h"
 
+/* Use a fixed width for the shell, since resizing horizontally is more awkward
+ * for the user than resizing vertically
+ * Both sizes are defined in https://live.gnome.org/Design/SystemSettings/ */
+#define FIXED_WIDTH 740
+#define FIXED_HEIGHT 636
+#define SMALL_SCREEN_FIXED_HEIGHT 400
+
+#define MIN_ICON_VIEW_HEIGHT 300
+
 #define MOUSE_BACK_BUTTON 8
 
+#define DEFAULT_WINDOW_TITLE N_("All Settings")
 #define DEFAULT_WINDOW_ICON_NAME "preferences-system"
 
+#define SEARCH_PAGE "_search"
+#define OVERVIEW_PAGE "_overview"
+
+typedef enum {
+       SMALL_SCREEN_UNSET,
+       SMALL_SCREEN_TRUE,
+       SMALL_SCREEN_FALSE
+} CcSmallScreen;
+
 struct _CcWindow
 {
   GtkApplicationWindow parent;
 
   GtkWidget  *stack;
   GtkWidget  *header;
-  GtkWidget  *header_box;
-  GtkWidget  *list_scrolled;
-  GtkWidget  *panel_headerbar;
+  GtkWidget  *main_vbox;
+  GtkWidget  *scrolled_window;
   GtkWidget  *search_scrolled;
-  GtkWidget  *panel_list;
   GtkWidget  *previous_button;
   GtkWidget  *top_right_box;
   GtkWidget  *search_button;
@@ -73,7 +88,15 @@ struct _CcWindow
 
   GtkListStore *store;
 
+  GtkTreeModel *search_filter;
+  GtkWidget *search_view;
+  gchar *filter_string;
+  gchar **filter_terms;
+
   CcPanel *active_panel;
+
+  int monitor_num;
+  CcSmallScreen small_screen;
 };
 
 static void     cc_shell_iface_init         (CcShellInterface      *iface);
@@ -92,6 +115,8 @@ static gboolean cc_window_set_active_panel_from_id (CcShell      *shell,
                                                     GVariant     *parameters,
                                                     GError      **err);
 
+static gint get_monitor_height (CcWindow *self);
+
 static const gchar *
 get_icon_name_from_g_icon (GIcon *gicon)
 {
@@ -149,12 +174,12 @@ activate_panel (CcWindow           *self,
   icon_name = get_icon_name_from_g_icon (gicon);
 
   gtk_window_set_role (GTK_WINDOW (self), id);
-  gtk_header_bar_set_title (GTK_HEADER_BAR (self->panel_headerbar), name);
+  gtk_header_bar_set_title (GTK_HEADER_BAR (self->header), name);
   gtk_window_set_default_icon_name (icon_name);
   gtk_window_set_icon_name (GTK_WINDOW (self), icon_name);
 
   title_widget = cc_panel_get_title_widget (CC_PANEL (self->current_panel));
-  gtk_header_bar_set_custom_title (GTK_HEADER_BAR (self->panel_headerbar), title_widget);
+  gtk_header_bar_set_custom_title (GTK_HEADER_BAR (self->header), title_widget);
 
   self->current_panel_box = box;
 
@@ -197,7 +222,7 @@ add_current_panel_to_history (CcShell    *shell,
 static void
 shell_show_overview_page (CcWindow *self)
 {
-  cc_panel_list_set_view (CC_PANEL_LIST (self->panel_list), CC_PANEL_LIST_MAIN);
+  gtk_stack_set_visible_child_name (GTK_STACK (self->stack), OVERVIEW_PAGE);
 
   if (self->current_panel_box)
     gtk_container_remove (GTK_CONTAINER (self->stack), self->current_panel_box);
@@ -210,6 +235,8 @@ shell_show_overview_page (CcWindow *self)
   self->previous_panels = g_queue_new ();
 
   /* clear the search text */
+  g_free (self->filter_string);
+  self->filter_string = g_strdup ("");
   gtk_entry_set_text (GTK_ENTRY (self->search_entry), "");
   if (gtk_search_bar_get_search_mode (GTK_SEARCH_BAR (self->search_bar)))
     gtk_widget_grab_focus (self->search_entry);
@@ -218,6 +245,8 @@ shell_show_overview_page (CcWindow *self)
 
   /* reset window title and icon */
   gtk_window_set_role (GTK_WINDOW (self), NULL);
+  gtk_header_bar_set_title (GTK_HEADER_BAR (self->header), _(DEFAULT_WINDOW_TITLE));
+  gtk_header_bar_set_custom_title (GTK_HEADER_BAR (self->header), NULL);
   gtk_window_set_default_icon_name (DEFAULT_WINDOW_ICON_NAME);
   gtk_window_set_icon_name (GTK_WINDOW (self), DEFAULT_WINDOW_ICON_NAME);
 
@@ -244,122 +273,610 @@ cc_window_set_search_item (CcWindow   *center,
 }
 
 static void
-show_panel_cb (CcPanelList *panel_list,
-               const gchar *panel_id,
-               CcWindow    *self)
+item_activated_cb (CcShellCategoryView *view,
+                   gchar               *name,
+                   gchar               *id,
+                   CcWindow            *shell)
 {
-  if (panel_id)
-    cc_window_set_active_panel_from_id (CC_SHELL (self), panel_id, NULL, NULL);
-  else
-    shell_show_overview_page (self);
+  cc_window_set_active_panel_from_id (CC_SHELL (shell), id, NULL, NULL);
 }
 
-static void
-update_list_title (CcWindow *self)
+static gboolean
+category_focus_out (GtkWidget     *view,
+                    GdkEventFocus *event,
+                    CcWindow      *shell)
 {
-  CcPanelListView view;
-  const gchar *title;
+  gtk_icon_view_unselect_all (GTK_ICON_VIEW (view));
 
-  view = cc_panel_list_get_view (CC_PANEL_LIST (self->panel_list));
+  return FALSE;
+}
+
+static gboolean
+category_focus_in (GtkWidget     *view,
+                   GdkEventFocus *event,
+                   CcWindow      *shell)
+{
+  GtkTreePath *path;
 
-  switch (view)
+  if (!gtk_icon_view_get_cursor (GTK_ICON_VIEW (view), &path, NULL))
     {
-    case CC_PANEL_LIST_DETAILS:
-      title = _("Details");
-      break;
+      path = gtk_tree_path_new_from_indices (0, -1);
+      gtk_icon_view_set_cursor (GTK_ICON_VIEW (view), path, NULL, FALSE);
+    }
 
-    case CC_PANEL_LIST_DEVICES:
-      title = _("Devices");
-      break;
+  gtk_icon_view_select_path (GTK_ICON_VIEW (view), path);
+  gtk_tree_path_free (path);
 
-    case CC_PANEL_LIST_MAIN:
-      title = _("Settings");
-      break;
+  return FALSE;
+}
 
-    case CC_PANEL_LIST_SEARCH:
-      title = NULL;
-      break;
+static GList *
+get_item_views (CcWindow *shell)
+{
+  GList *list, *l;
+  GList *res;
+
+  list = gtk_container_get_children (GTK_CONTAINER (shell->main_vbox));
+  res = NULL;
+  for (l = list; l; l = l->next)
+    {
+      if (!CC_IS_SHELL_CATEGORY_VIEW (l->data))
+        continue;
+      res = g_list_append (res, cc_shell_category_view_get_item_view (CC_SHELL_CATEGORY_VIEW (l->data)));
     }
 
-  if (title)
-    gtk_header_bar_set_title (GTK_HEADER_BAR (self->header), title);
+  g_list_free (list);
+
+  return res;
 }
 
-static void
-panel_list_view_changed_cb (CcPanelList *panel_list,
-                            GParamSpec  *pspec,
-                            CcWindow    *self)
+static gboolean
+is_prev_direction (GtkWidget *widget,
+                   GtkDirectionType direction)
+{
+  if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR &&
+      direction == GTK_DIR_LEFT)
+    return TRUE;
+  if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL &&
+      direction == GTK_DIR_RIGHT)
+    return TRUE;
+  return FALSE;
+}
+
+static gboolean
+is_next_direction (GtkWidget *widget,
+                   GtkDirectionType direction)
+{
+  if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR &&
+      direction == GTK_DIR_RIGHT)
+    return TRUE;
+  if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL &&
+      direction == GTK_DIR_LEFT)
+    return TRUE;
+  return FALSE;
+}
+
+static GtkTreePath *
+get_first_path (GtkIconView *view)
+{
+  GtkTreeModel *model;
+  GtkTreeIter iter;
+
+  model = gtk_icon_view_get_model (view);
+  if (!gtk_tree_model_get_iter_first (model, &iter))
+    return NULL;
+  return gtk_tree_model_get_path (model, &iter);
+}
+
+static GtkTreePath *
+get_last_path (GtkIconView *view)
+{
+  GtkTreeModel *model;
+  GtkTreeIter iter;
+  GtkTreePath *path;
+  gboolean ret;
+
+  model = gtk_icon_view_get_model (view);
+  if (!gtk_tree_model_get_iter_first (model, &iter))
+    return NULL;
+
+  ret = TRUE;
+  path = NULL;
+
+  while (ret)
+    {
+      g_clear_pointer (&path, gtk_tree_path_free);
+      path = gtk_tree_model_get_path (model, &iter);
+      ret = gtk_tree_model_iter_next (model, &iter);
+    }
+  return path;
+}
+
+static gboolean
+categories_keynav_failed (GtkIconView      *current_view,
+                          GtkDirectionType  direction,
+                          CcWindow         *shell)
+{
+  GList *views, *v;
+  GtkIconView *new_view;
+  GtkTreePath *path;
+  GtkTreeModel *model;
+  GtkTreeIter iter;
+  gint col, c, dist, d;
+  GtkTreePath *sel;
+  gboolean res;
+
+  res = FALSE;
+
+  views = get_item_views (shell);
+
+  for (v = views; v; v = v->next)
+    {
+      if (v->data == current_view)
+        break;
+    }
+
+  new_view = NULL;
+
+  if (direction == GTK_DIR_DOWN && v != NULL && v->next != NULL)
+    {
+      new_view = v->next->data;
+
+      if (gtk_icon_view_get_cursor (current_view, &path, NULL))
+        {
+          col = gtk_icon_view_get_item_column (current_view, path);
+          gtk_tree_path_free (path);
+
+          sel = NULL;
+          dist = 1000;
+          model = gtk_icon_view_get_model (new_view);
+          g_assert (gtk_tree_model_get_iter_first (model, &iter));
+          do {
+            path = gtk_tree_model_get_path (model, &iter);
+            c = gtk_icon_view_get_item_column (new_view, path);
+            d = ABS (c - col);
+            if (d < dist)
+              {
+                if (sel)
+                  gtk_tree_path_free (sel);
+                sel = path;
+                dist = d;
+              }
+            else
+              gtk_tree_path_free (path);
+          } while (gtk_tree_model_iter_next (model, &iter));
+
+          gtk_icon_view_set_cursor (new_view, sel, NULL, FALSE);
+          gtk_tree_path_free (sel);
+        }
+
+      gtk_widget_grab_focus (GTK_WIDGET (new_view));
+
+      res = TRUE;
+    }
+
+  if (direction == GTK_DIR_UP && v != NULL && v->prev != NULL)
+    {
+      new_view = v->prev->data;
+
+      if (gtk_icon_view_get_cursor (current_view, &path, NULL))
+        {
+          col = gtk_icon_view_get_item_column (current_view, path);
+          gtk_tree_path_free (path);
+
+          sel = NULL;
+          dist = 1000;
+          model = gtk_icon_view_get_model (new_view);
+          g_assert (gtk_tree_model_get_iter_first (model, &iter));
+          do {
+            path = gtk_tree_model_get_path (model, &iter);
+            c = gtk_icon_view_get_item_column (new_view, path);
+            d = ABS (c - col);
+            if (d <= dist)
+              {
+                if (sel)
+                  gtk_tree_path_free (sel);
+                sel = path;
+                dist = d;
+              }
+            else
+              gtk_tree_path_free (path);
+          } while (gtk_tree_model_iter_next (model, &iter));
+
+          gtk_icon_view_set_cursor (new_view, sel, NULL, FALSE);
+          gtk_tree_path_free (sel);
+        }
+
+      gtk_widget_grab_focus (GTK_WIDGET (new_view));
+
+      res = TRUE;
+    }
+
+  if (is_prev_direction (GTK_WIDGET (current_view), direction) && v != NULL)
+    {
+      if (gtk_icon_view_get_cursor (current_view, &path, NULL))
+        {
+          if (v->prev)
+            new_view = v->prev->data;
+
+          if (gtk_tree_path_prev (path))
+            {
+              new_view = current_view;
+            }
+          else if (new_view != NULL)
+            {
+              path = get_last_path (new_view);
+            }
+          else
+            {
+              goto out;
+            }
+
+          gtk_icon_view_set_cursor (new_view, path, NULL, FALSE);
+          gtk_icon_view_select_path (new_view, path);
+          gtk_tree_path_free (path);
+          gtk_widget_grab_focus (GTK_WIDGET (new_view));
+
+          res = TRUE;
+        }
+    }
+
+  if (is_next_direction (GTK_WIDGET (current_view), direction) && v != NULL)
+    {
+      if (gtk_icon_view_get_cursor (current_view, &path, NULL))
+        {
+          GtkTreeIter iter;
+
+          if (v->next)
+            new_view = v->next->data;
+
+          gtk_tree_path_next (path);
+          model = gtk_icon_view_get_model (current_view);
+
+          if (gtk_tree_model_get_iter (model, &iter, path))
+            {
+              new_view = current_view;
+            }
+          else if (new_view != NULL)
+            {
+              path = get_first_path (new_view);
+            }
+          else
+            {
+              goto out;
+            }
+
+          gtk_icon_view_set_cursor (new_view, path, NULL, FALSE);
+          gtk_icon_view_select_path (new_view, path);
+          gtk_tree_path_free (path);
+          gtk_widget_grab_focus (GTK_WIDGET (new_view));
+
+          res = TRUE;
+        }
+    }
+
+out:
+  g_list_free (views);
+
+  return res;
+}
+
+static gboolean
+model_filter_func (GtkTreeModel *model,
+                   GtkTreeIter  *iter,
+                   CcWindow     *self)
 {
-  gboolean is_main_view;
+  char **t;
+  gboolean matches = FALSE;
 
-  is_main_view = cc_panel_list_get_view (panel_list) == CC_PANEL_LIST_MAIN;
+  if (!self->filter_string || !self->filter_terms)
+    return FALSE;
 
-  gtk_widget_set_visible (self->previous_button, !is_main_view);
-  gtk_widget_set_visible (self->search_button, is_main_view);
+  for (t = self->filter_terms; *t; t++)
+    {
+      matches = cc_shell_model_iter_matches_search (CC_SHELL_MODEL (model),
+                                                    iter,
+                                                    *t);
+      if (!matches)
+        break;
+    }
 
-  update_list_title (self);
+  return matches;
+}
+
+static gboolean
+category_filter_func (GtkTreeModel    *model,
+                      GtkTreeIter     *iter,
+                      CcPanelCategory  filter)
+{
+  guint category;
+
+  gtk_tree_model_get (model, iter, COL_CATEGORY, &category, -1);
+
+  return (category == filter);
 }
 
 static void
-search_entry_activate_cb (GtkEntry *entry,
-                          CcWindow *self)
+search_entry_changed_cb (GtkEntry *entry,
+                         CcWindow *self)
 {
-  gboolean changed;
+  char *str;
+
+  /* if the entry text was set manually (not by the user) */
+  if (!g_strcmp0 (self->filter_string, gtk_entry_get_text (entry)))
+    {
+      cc_shell_model_set_sort_terms (CC_SHELL_MODEL (self->store), NULL);
+      return;
+    }
 
-  changed = cc_panel_list_activate (CC_PANEL_LIST (self->panel_list));
+  /* Don't re-filter for added trailing or leading spaces */
+  str = cc_util_normalize_casefold_and_unaccent (gtk_entry_get_text (entry));
+  g_strstrip (str);
+  if (!g_strcmp0 (str, self->filter_string))
+    {
+      g_free (str);
+      return;
+    }
+
+  g_free (self->filter_string);
+  self->filter_string = str;
 
-  gtk_search_bar_set_search_mode (GTK_SEARCH_BAR (self->search_bar), !changed);
+  g_strfreev (self->filter_terms);
+  self->filter_terms = g_strsplit (self->filter_string, " ", -1);
+
+  cc_shell_model_set_sort_terms (CC_SHELL_MODEL (self->store), self->filter_terms);
+
+  if (!g_strcmp0 (self->filter_string, ""))
+    {
+      shell_show_overview_page (self);
+    }
+  else
+    {
+      gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (self->search_filter));
+      gtk_stack_set_visible_child_name (GTK_STACK (self->stack), SEARCH_PAGE);
+    }
 }
 
+static gboolean
+search_entry_key_press_event_cb (GtkEntry        *entry,
+                                 GdkEventKey     *event,
+                                 CcWindow        *self)
+{
+  if (event->keyval == GDK_KEY_Return &&
+      g_strcmp0 (self->filter_string, "") != 0)
+    {
+      GtkTreePath *path;
+      GtkTreeSelection *selection;
+
+      path = gtk_tree_path_new_first ();
+
+      selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (self->search_view));
+      gtk_tree_selection_select_path (selection, path);
+
+      if (!gtk_tree_selection_path_is_selected (selection, path))
+        {
+          gtk_tree_path_free (path);
+          return FALSE;
+        }
+
+      gtk_tree_view_row_activated (GTK_TREE_VIEW (self->search_view), path,
+                                   gtk_tree_view_get_column (GTK_TREE_VIEW (self->search_view), 0));
+      gtk_tree_path_free (path);
+      return TRUE;
+    }
+
+  if (event->keyval == GDK_KEY_Escape)
+    {
+      gtk_search_bar_set_search_mode (GTK_SEARCH_BAR (self->search_bar), FALSE);
+      gtk_entry_set_text (entry, "");
+      return TRUE;
+    }
+
+  return FALSE;
+}
 
 static void
-setup_model (CcWindow *shell)
+on_search_row_activated (GtkTreeView       *treeview,
+                         GtkTreePath       *path,
+                         GtkTreeViewColumn *column,
+                         CcWindow          *shell)
 {
+  GtkTreeSelection *selection;
   GtkTreeModel *model;
-  GtkTreeIter iter;
-  gboolean valid;
+  GtkTreeIter   iter;
+  char         *id = NULL;
 
-  shell->store = (GtkListStore *) cc_shell_model_new ();
-  model = GTK_TREE_MODEL (shell->store);
+  selection = gtk_tree_view_get_selection (treeview);
 
-  cc_panel_loader_fill_model (CC_SHELL_MODEL (shell->store));
+  if (!gtk_tree_selection_get_selected (selection, &model, &iter))
+    return;
 
-  /* Create a row for each panel */
-  valid = gtk_tree_model_get_iter_first (model, &iter);
+  gtk_tree_model_get (model, &iter,
+                      COL_ID, &id,
+                      -1);
 
-  while (valid)
+  if (id)
+    cc_window_set_active_panel_from_id (CC_SHELL (shell), id, NULL, NULL);
+
+  gtk_tree_selection_unselect_all (selection);
+
+  g_free (id);
+}
+
+static gboolean
+on_search_button_press_event (GtkTreeView    *treeview,
+                              GdkEventButton *event,
+                              CcWindow       *shell)
+{
+  if (event->type == GDK_BUTTON_PRESS && event->button == 1)
     {
-      CcPanelCategory category;
-      GIcon *icon;
-      gchar *name, *description, *id, *symbolic_icon;
-      const gchar *icon_name;
+      GtkTreePath *path = NULL;
+      GtkTreeSelection *selection;
+      GtkTreeModel *model;
+      GtkTreeIter iter;
+
+      /* We don't check for the position being blank,
+       * it could be the dead space between columns */
+      gtk_tree_view_is_blank_at_pos (treeview,
+                                     event->x, event->y,
+                                     &path,
+                                     NULL,
+                                     NULL,
+                                     NULL);
+      if (path == NULL)
+        return FALSE;
+
+      model = gtk_tree_view_get_model (treeview);
+      if (gtk_tree_model_get_iter (model, &iter, path) == FALSE)
+        {
+          gtk_tree_path_free (path);
+          return FALSE;
+        }
 
-      gtk_tree_model_get (model, &iter,
-                          COL_CATEGORY, &category,
-                          COL_DESCRIPTION, &description,
-                          COL_GICON, &icon,
-                          COL_ID, &id,
-                          COL_NAME, &name,
-                          -1);
+      selection = gtk_tree_view_get_selection (treeview);
+      gtk_tree_selection_select_iter (selection, &iter);
+
+      on_search_row_activated (treeview, NULL, NULL, shell);
+
+      gtk_tree_path_free (path);
+
+      return TRUE;
+    }
 
-      icon_name = get_icon_name_from_g_icon (icon);
-      symbolic_icon = g_strdup_printf ("%s-symbolic", icon_name);
+  return FALSE;
+}
 
-      cc_panel_list_add_panel (CC_PANEL_LIST (shell->panel_list),
-                               category,
-                               id,
-                               name,
-                               description,
-                               symbolic_icon);
+static void
+setup_search (CcWindow *self)
+{
+  GtkWidget *search_view;
+  GtkCellRenderer *renderer;
+  GtkTreeViewColumn *column;
+
+  g_return_if_fail (self->store != NULL);
+
+  /* create the search filter */
+  self->search_filter = gtk_tree_model_filter_new (GTK_TREE_MODEL (self->store),
+                                                   NULL);
+
+  gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (self->search_filter),
+                                          (GtkTreeModelFilterVisibleFunc)
+                                          model_filter_func,
+                                          self, NULL);
+
+  /* set up the search view */
+  self->search_view = search_view = gtk_tree_view_new ();
+  gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (search_view), FALSE);
+  gtk_tree_view_set_enable_search (GTK_TREE_VIEW (search_view), FALSE);
+  gtk_tree_view_set_model (GTK_TREE_VIEW (search_view),
+                           GTK_TREE_MODEL (self->search_filter));
+  /* This needs to happen after setting the model, otherwise
+   * the search column will be the first string column */
+  gtk_tree_view_set_search_column (GTK_TREE_VIEW (search_view), -1);
+
+  renderer = gtk_cell_renderer_pixbuf_new ();
+  g_object_set (renderer,
+                "xpad", 15,
+                "ypad", 10,
+                "stock-size", GTK_ICON_SIZE_DIALOG,
+                "follow-state", TRUE,
+                NULL);
+  column = gtk_tree_view_column_new_with_attributes ("Icon", renderer,
+                                                     "gicon", COL_GICON,
+                                                     NULL);
+  gtk_tree_view_column_set_expand (column, FALSE);
+  gtk_tree_view_append_column (GTK_TREE_VIEW (self->search_view), column);
+
+  renderer = gtk_cell_renderer_text_new ();
+  g_object_set (renderer,
+                "xpad", 0,
+                NULL);
+  column = gtk_tree_view_column_new_with_attributes ("Name", renderer,
+                                                     "text", COL_NAME,
+                                                     NULL);
+  gtk_tree_view_column_set_expand (column, FALSE);
+  gtk_tree_view_append_column (GTK_TREE_VIEW (self->search_view), column);
+
+  renderer = gd_styled_text_renderer_new ();
+  gd_styled_text_renderer_add_class (GD_STYLED_TEXT_RENDERER (renderer), "dim-label");
+  g_object_set (renderer,
+                "xpad", 15,
+                "ellipsize", PANGO_ELLIPSIZE_END,
+                NULL);
+  column = gtk_tree_view_column_new_with_attributes ("Description", renderer,
+                                                     "text", COL_DESCRIPTION,
+                                                     NULL);
+  gtk_tree_view_column_set_expand (column, TRUE);
+  gtk_tree_view_append_column (GTK_TREE_VIEW (self->search_view), column);
+
+  gtk_container_add (GTK_CONTAINER (self->search_scrolled), search_view);
+
+  g_signal_connect (self->search_view, "row-activated",
+                    G_CALLBACK (on_search_row_activated), self);
+  g_signal_connect (self->search_view, "button-press-event",
+                    G_CALLBACK (on_search_button_press_event), self);
+
+  self->filter_string = g_strdup ("");
+
+  gtk_widget_show (self->search_view);
+}
 
-      valid = gtk_tree_model_iter_next (model, &iter);
+static void
+add_category_view (CcWindow        *shell,
+                   CcPanelCategory  category,
+                   const char      *name)
+{
+  GtkTreeModel *filter;
+  GtkWidget *categoryview;
 
-      g_clear_pointer (&symbolic_icon, g_free);
-      g_clear_pointer (&description, g_free);
-      g_clear_pointer (&name, g_free);
-      g_clear_pointer (&id, g_free);
-      g_clear_object (&icon);
+  if (category > 0)
+    {
+      GtkWidget *separator;
+      separator = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL);
+      gtk_widget_set_margin_top (separator, 11);
+      gtk_widget_set_margin_bottom (separator, 10);
+      gtk_box_pack_start (GTK_BOX (shell->main_vbox), separator, FALSE, FALSE, 0);
+      gtk_widget_show (separator);
     }
+
+  /* create new category view for this category */
+  filter = gtk_tree_model_filter_new (GTK_TREE_MODEL (shell->store),
+                                      NULL);
+  gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (filter),
+                                          (GtkTreeModelFilterVisibleFunc) category_filter_func,
+                                          GINT_TO_POINTER (category), NULL);
+
+  categoryview = cc_shell_category_view_new (name, filter);
+  gtk_box_pack_start (GTK_BOX (shell->main_vbox), categoryview, FALSE, TRUE, 0);
+
+  g_signal_connect (cc_shell_category_view_get_item_view (CC_SHELL_CATEGORY_VIEW (categoryview)),
+                    "desktop-item-activated",
+                    G_CALLBACK (item_activated_cb), shell);
+
+  gtk_widget_show (categoryview);
+
+  g_signal_connect (cc_shell_category_view_get_item_view (CC_SHELL_CATEGORY_VIEW (categoryview)),
+                    "focus-in-event",
+                    G_CALLBACK (category_focus_in), shell);
+  g_signal_connect (cc_shell_category_view_get_item_view (CC_SHELL_CATEGORY_VIEW (categoryview)),
+                    "focus-out-event",
+                    G_CALLBACK (category_focus_out), shell);
+  g_signal_connect (cc_shell_category_view_get_item_view (CC_SHELL_CATEGORY_VIEW (categoryview)),
+                    "keynav-failed",
+                    G_CALLBACK (categories_keynav_failed), shell);
+}
+
+static void
+setup_model (CcWindow *shell)
+{
+ shell->store = (GtkListStore *) cc_shell_model_new ();
+
+  /* Add categories */
+  add_category_view (shell, CC_CATEGORY_PERSONAL, C_("category", "Personal"));
+  add_category_view (shell, CC_CATEGORY_HARDWARE, C_("category", "Hardware"));
+  add_category_view (shell, CC_CATEGORY_SYSTEM, C_("category", "System"));
+
+  cc_panel_loader_fill_model (CC_SHELL_MODEL (shell->store));
 }
 
 static void
@@ -367,21 +884,68 @@ previous_button_clicked_cb (GtkButton *button,
                             CcWindow  *shell)
 {
   g_debug ("Num previous panels? %d", g_queue_get_length (shell->previous_panels));
-
-  /* When in search, simply unsed the search mode */
-  if (gtk_search_bar_get_search_mode (GTK_SEARCH_BAR (shell->search_bar)))
-    gtk_search_bar_set_search_mode (GTK_SEARCH_BAR (shell->search_bar), FALSE);
-  else
-    cc_panel_list_set_view (CC_PANEL_LIST (shell->panel_list), CC_PANEL_LIST_MAIN);
+  if (g_queue_is_empty (shell->previous_panels)) {
+    shell_show_overview_page (shell);
+  } else {
+    char *panel_name;
+
+    panel_name = g_queue_pop_head (shell->previous_panels);
+    g_debug ("About to go to previous panel '%s'", panel_name);
+    cc_window_set_active_panel_from_id (CC_SHELL (shell), panel_name, NULL, NULL);
+    g_free (panel_name);
+  }
 }
 
 static void
-sidelist_size_allocate_cb (GtkWidget    *box,
-                           GdkRectangle *allocation,
-                           CcWindow     *self)
+stack_page_notify_cb (GtkStack     *stack,
+                      GParamSpec  *spec,
+                      CcWindow    *self)
 {
-  /* Keep the sidelist and the first headerbar synchronized */
-  gtk_widget_set_size_request (self->header, allocation->width, -1);
+  int nat_height;
+  const char *id;
+
+  id = gtk_stack_get_visible_child_name (stack);
+
+  /* make sure the home button is shown on all pages except the overview page */
+
+  if (g_strcmp0 (id, OVERVIEW_PAGE) == 0 || g_strcmp0 (id, SEARCH_PAGE) == 0)
+    {
+      gint header_height, maximum_height;
+
+      gtk_widget_hide (self->previous_button);
+      gtk_widget_show (self->search_button);
+      gtk_widget_show (self->search_bar);
+      gtk_widget_hide (self->lock_button);
+
+      gtk_widget_get_preferred_height_for_width (GTK_WIDGET (self->main_vbox),
+                                                 FIXED_WIDTH, NULL, &nat_height);
+      gtk_widget_get_preferred_height_for_width (GTK_WIDGET (self->header),
+                                                 FIXED_WIDTH, NULL, &header_height);
+
+      /* find the maximum height by using the monitor height minus an allowance
+       * for title bar, etc. */
+      maximum_height = get_monitor_height (self) - 100;
+
+      if (maximum_height > 0 && nat_height + header_height > maximum_height)
+        nat_height = maximum_height - header_height;
+
+      gtk_scrolled_window_set_min_content_height (GTK_SCROLLED_WINDOW (self->scrolled_window),
+                                                  self->small_screen == SMALL_SCREEN_TRUE ? 
SMALL_SCREEN_FIXED_HEIGHT : nat_height);
+    }
+  else
+    {
+      gtk_widget_show (self->previous_button);
+      gtk_widget_hide (self->search_button);
+      gtk_widget_hide (self->search_bar);
+      /* set the scrolled window small so that it doesn't force
+         the window to be larger than this panel */
+      gtk_widget_get_preferred_height_for_width (GTK_WIDGET (self),
+                                                 FIXED_WIDTH, NULL, &nat_height);
+      gtk_scrolled_window_set_min_content_height (GTK_SCROLLED_WINDOW (self->scrolled_window), 
MIN_ICON_VIEW_HEIGHT);
+      gtk_window_resize (GTK_WINDOW (self),
+                         FIXED_WIDTH,
+                         nat_height);
+    }
 }
 
 /* CcShell implementation */
@@ -477,8 +1041,6 @@ cc_window_set_active_panel_from_id (CcShell      *shell,
 
       if (old_panel)
         gtk_container_remove (GTK_CONTAINER (self->stack), old_panel);
-
-      cc_panel_list_set_active_panel (CC_PANEL_LIST (self->panel_list), start_id);
     }
 
   g_free (name);
@@ -504,39 +1066,6 @@ _shell_get_toplevel (CcShell *shell)
   return GTK_WIDGET (shell);
 }
 
-static void
-gdk_window_set_cb (GObject    *object,
-                   GParamSpec *pspec,
-                   CcWindow   *self)
-{
-  GdkWindow *window;
-  gchar *str;
-
-  if (!GDK_IS_X11_DISPLAY (gdk_display_get_default ()))
-    return;
-
-  window = gtk_widget_get_window (GTK_WIDGET (self));
-
-  if (!window)
-    return;
-
-  str = g_strdup_printf ("%u", (guint) GDK_WINDOW_XID (window));
-  g_setenv ("GNOME_CONTROL_CENTER_XID", str, TRUE);
-  g_free (str);
-}
-
-static gboolean
-window_map_event_cb (GtkWidget *widget,
-                     GdkEvent  *event,
-                     CcWindow  *self)
-{
-  /* If focus ends up in a category icon view one of the items is
-   * immediately selected which looks odd when we are starting up, so
-   * we explicitly unset the focus here. */
-  gtk_window_set_focus (GTK_WINDOW (self), NULL);
-  return GDK_EVENT_PROPAGATE;
-}
-
 /* GObject Implementation */
 static void
 cc_window_get_property (GObject    *object,
@@ -604,6 +1133,14 @@ cc_window_dispose (GObject *object)
 {
   CcWindow *self = CC_WINDOW (object);
 
+  /* Avoid receiving notifications about the pages changing
+   * when destroying the children one-by-one */
+  if (self->stack)
+    {
+      g_signal_handlers_disconnect_by_func (self->stack, stack_page_notify_cb, object);
+      self->stack = NULL;
+    }
+
   g_free (self->current_panel_id);
   self->current_panel_id = NULL;
 
@@ -614,7 +1151,15 @@ cc_window_dispose (GObject *object)
     }
 
   g_clear_object (&self->store);
+  g_clear_object (&self->search_filter);
   g_clear_object (&self->active_panel);
+  g_clear_object (&self->header_sizegroup);
+
+  if (self->previous_panels)
+    {
+      g_queue_free_full (self->previous_panels, g_free);
+      self->previous_panels = NULL;
+    }
 
   G_OBJECT_CLASS (cc_window_parent_class)->dispose (object);
 }
@@ -624,11 +1169,8 @@ cc_window_finalize (GObject *object)
 {
   CcWindow *self = CC_WINDOW (object);
 
-  if (self->previous_panels)
-    {
-      g_queue_free_full (self->previous_panels, g_free);
-      self->previous_panels = NULL;
-    }
+  g_free (self->filter_string);
+  g_strfreev (self->filter_terms);
 
   G_OBJECT_CLASS (cc_window_parent_class)->finalize (object);
 }
@@ -644,7 +1186,6 @@ cc_shell_iface_init (CcShellInterface *iface)
 static void
 cc_window_class_init (CcWindowClass *klass)
 {
-  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 
   object_class->get_property = cc_window_get_property;
@@ -653,28 +1194,6 @@ cc_window_class_init (CcWindowClass *klass)
   object_class->finalize = cc_window_finalize;
 
   g_object_class_override_property (object_class, PROP_ACTIVE_PANEL, "active-panel");
-
-  gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/ControlCenter/gtk/window.ui");
-
-  gtk_widget_class_bind_template_child (widget_class, CcWindow, header);
-  gtk_widget_class_bind_template_child (widget_class, CcWindow, header_box);
-  gtk_widget_class_bind_template_child (widget_class, CcWindow, header_sizegroup);
-  gtk_widget_class_bind_template_child (widget_class, CcWindow, list_scrolled);
-  gtk_widget_class_bind_template_child (widget_class, CcWindow, lock_button);
-  gtk_widget_class_bind_template_child (widget_class, CcWindow, panel_headerbar);
-  gtk_widget_class_bind_template_child (widget_class, CcWindow, previous_button);
-  gtk_widget_class_bind_template_child (widget_class, CcWindow, search_bar);
-  gtk_widget_class_bind_template_child (widget_class, CcWindow, search_button);
-  gtk_widget_class_bind_template_child (widget_class, CcWindow, search_entry);
-  gtk_widget_class_bind_template_child (widget_class, CcWindow, stack);
-  gtk_widget_class_bind_template_child (widget_class, CcWindow, top_right_box);
-
-  gtk_widget_class_bind_template_callback (widget_class, previous_button_clicked_cb);
-  gtk_widget_class_bind_template_callback (widget_class, gdk_window_set_cb);
-  gtk_widget_class_bind_template_callback (widget_class, search_entry_activate_cb);
-  gtk_widget_class_bind_template_callback (widget_class, sidelist_size_allocate_cb);
-  gtk_widget_class_bind_template_callback (widget_class, update_list_title);
-  gtk_widget_class_bind_template_callback (widget_class, window_map_event_cb);
 }
 
 static gboolean
@@ -696,8 +1215,10 @@ window_key_press_event (GtkWidget   *win,
   GdkKeymap *keymap;
   gboolean retval;
   GdkModifierType state;
-  CcPanelListView view;
   gboolean is_rtl;
+  gboolean overview;
+  gboolean search;
+  const gchar *id;
 
   retval = GDK_EVENT_PROPAGATE;
   state = event->state;
@@ -705,14 +1226,14 @@ window_key_press_event (GtkWidget   *win,
   gdk_keymap_add_virtual_modifiers (keymap, &state);
   state = state & gtk_accelerator_get_default_mod_mask ();
   is_rtl = gtk_widget_get_direction (win) == GTK_TEXT_DIR_RTL;
-  view = cc_panel_list_get_view (CC_PANEL_LIST (self->panel_list));
 
-  /* The search only happens when we're in the MAIN view */
-  if (view == CC_PANEL_LIST_MAIN &&
+  id = gtk_stack_get_visible_child_name (GTK_STACK (self->stack));
+  overview = g_str_equal (id, OVERVIEW_PAGE);
+  search = g_str_equal (id, SEARCH_PAGE);
+
+  if ((overview || search) &&
       gtk_search_bar_handle_event (GTK_SEARCH_BAR (self->search_bar), (GdkEvent*) event) == GDK_EVENT_STOP)
-    {
-      return GDK_EVENT_STOP;
-    }
+    return GDK_EVENT_STOP;
 
   if (state == GDK_CONTROL_MASK)
     {
@@ -722,13 +1243,8 @@ window_key_press_event (GtkWidget   *win,
           case GDK_KEY_S:
           case GDK_KEY_f:
           case GDK_KEY_F:
-            /* The search only happens when we're in the MAIN view */
-            if (view != CC_PANEL_LIST_MAIN &&
-                view != CC_PANEL_LIST_SEARCH)
-              {
-                break;
-              }
-
+            if (!overview && !search)
+              break;
             retval = !gtk_search_bar_get_search_mode (GTK_SEARCH_BAR (self->search_bar));
             gtk_search_bar_set_search_mode (GTK_SEARCH_BAR (self->search_bar), retval);
             if (retval)
@@ -737,13 +1253,25 @@ window_key_press_event (GtkWidget   *win,
             break;
           case GDK_KEY_Q:
           case GDK_KEY_q:
+            gtk_widget_destroy (GTK_WIDGET (self));
+            retval = GDK_EVENT_STOP;
+            break;
           case GDK_KEY_W:
           case GDK_KEY_w:
-            gtk_widget_destroy (GTK_WIDGET (self));
+            if (!overview)
+              shell_show_overview_page (self);
+            else
+              gtk_widget_destroy (GTK_WIDGET (self));
             retval = GDK_EVENT_STOP;
             break;
         }
     }
+  else if (state == GDK_MOD1_MASK && event->keyval == GDK_KEY_Up)
+    {
+      if (!overview)
+        shell_show_overview_page (self);
+      retval = GDK_EVENT_STOP;
+    }
   else if ((!is_rtl && state == GDK_MOD1_MASK && event->keyval == GDK_KEY_Left) ||
            (is_rtl && state == GDK_MOD1_MASK && event->keyval == GDK_KEY_Right) ||
            event->keyval == GDK_KEY_Back)
@@ -751,61 +1279,295 @@ window_key_press_event (GtkWidget   *win,
       previous_button_clicked_cb (NULL, self);
       retval = GDK_EVENT_STOP;
     }
-
   return retval;
 }
 
+static gint
+get_monitor_height (CcWindow *self)
+{
+  GdkScreen *screen;
+  GdkRectangle rect;
+
+  if (self->monitor_num < 0)
+    return 0;
+
+  /* We cannot use workarea here, as this wouldn't
+   * be updated when we read it after a monitors-changed signal */
+  screen = gtk_widget_get_screen (GTK_WIDGET (self));
+  gdk_screen_get_monitor_geometry (screen, self->monitor_num, &rect);
+
+  return rect.height;
+}
+
+static gboolean
+update_monitor_number (CcWindow *self)
+{
+  gboolean changed = FALSE;
+  GtkWidget *widget;
+  GdkScreen *screen;
+  GdkWindow *window;
+  int monitor;
+
+  widget = GTK_WIDGET (self);
+
+  window = gtk_widget_get_window (widget);
+  screen = gtk_widget_get_screen (widget);
+  monitor = gdk_screen_get_monitor_at_window (screen, window);
+  if (self->monitor_num != monitor)
+    {
+      self->monitor_num = monitor;
+      changed = TRUE;
+    }
+
+  return changed;
+}
+
+static CcSmallScreen
+is_small (CcWindow *self)
+{
+  if (get_monitor_height (self) <= FIXED_HEIGHT)
+    return SMALL_SCREEN_TRUE;
+  return SMALL_SCREEN_FALSE;
+}
+
 static void
-create_window (CcWindow *self)
+update_small_screen_settings (CcWindow *self)
+{
+  CcSmallScreen small;
+
+  update_monitor_number (self);
+  small = is_small (self);
+
+  if (small == SMALL_SCREEN_TRUE)
+    {
+      gtk_window_set_resizable (GTK_WINDOW (self), TRUE);
+
+      if (self->small_screen != small)
+        gtk_window_maximize (GTK_WINDOW (self));
+    }
+  else
+    {
+      if (self->small_screen != small)
+        gtk_window_unmaximize (GTK_WINDOW (self));
+
+      gtk_window_set_resizable (GTK_WINDOW (self), FALSE);
+    }
+
+  self->small_screen = small;
+
+  /* And update the minimum sizes */
+  stack_page_notify_cb (GTK_STACK (self->stack), NULL, self);
+}
+
+static gboolean
+main_window_configure_cb (GtkWidget *widget,
+                          GdkEvent  *event,
+                          CcWindow  *self)
+{
+  update_small_screen_settings (self);
+  return FALSE;
+}
+
+static void
+application_set_cb (GObject    *object,
+                    GParamSpec *pspec,
+                    CcWindow   *self)
+{
+  /* update small screen settings now - to avoid visible resizing, we want
+   * to do it before showing the window, and GtkApplicationWindow cannot be
+   * realized unless its application property has been set */
+  if (gtk_window_get_application (GTK_WINDOW (self)))
+    {
+      gtk_widget_realize (GTK_WIDGET (self));
+      update_small_screen_settings (self);
+    }
+}
+
+static void
+monitors_changed_cb (GdkScreen *screen,
+                     CcWindow  *self)
+{
+  /* We reset small_screen_set to make sure that the
+   * window gets maximised if need be, in update_small_screen_settings() */
+  self->small_screen = SMALL_SCREEN_UNSET;
+  update_small_screen_settings (self);
+}
+
+static void
+gdk_window_set_cb (GObject    *object,
+                   GParamSpec *pspec,
+                   CcWindow   *self)
+{
+  GdkWindow *window;
+  gchar *str;
+
+  if (!GDK_IS_X11_DISPLAY (gdk_display_get_default ()))
+    return;
+
+  window = gtk_widget_get_window (GTK_WIDGET (self));
+
+  if (!window)
+    return;
+
+  str = g_strdup_printf ("%u", (guint) GDK_WINDOW_XID (window));
+  g_setenv ("GNOME_CONTROL_CENTER_XID", str, TRUE);
+  g_free (str);
+}
+
+static gboolean
+window_map_event_cb (GtkWidget *widget,
+                     GdkEvent  *event,
+                     CcWindow  *self)
+{
+  /* If focus ends up in a category icon view one of the items is
+   * immediately selected which looks odd when we are starting up, so
+   * we explicitly unset the focus here. */
+  gtk_window_set_focus (GTK_WINDOW (self), NULL);
+  return GDK_EVENT_PROPAGATE;
+}
+
+static void
+create_main_page (CcWindow *self)
+{
+  GtkStyleContext *context;
+
+  self->scrolled_window = gtk_scrolled_window_new (NULL, NULL);
+  context = gtk_widget_get_style_context (self->scrolled_window);
+  gtk_style_context_add_class (context, "view");
+  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (self->scrolled_window),
+                                  GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
+  gtk_stack_add_named (GTK_STACK (self->stack), self->scrolled_window, OVERVIEW_PAGE);
+
+  self->main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
+  gtk_widget_set_margin_top (self->main_vbox, 8);
+  gtk_widget_set_margin_bottom (self->main_vbox, 8);
+  gtk_widget_set_margin_start (self->main_vbox, 12);
+  gtk_widget_set_margin_end (self->main_vbox, 12);
+  gtk_container_set_focus_vadjustment (GTK_CONTAINER (self->main_vbox),
+                                       gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW 
(self->scrolled_window)));
+  gtk_container_add (GTK_CONTAINER (self->scrolled_window), self->main_vbox);
+
+  gtk_widget_set_size_request (self->scrolled_window, FIXED_WIDTH, -1);
+
+  /* load the available settings panels */
+  setup_model (self);
+}
+
+static void
+create_search_page (CcWindow *self)
+{
+  self->search_scrolled = gtk_scrolled_window_new (NULL, NULL);
+  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (self->search_scrolled),
+                                  GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
+  gtk_stack_add_named (GTK_STACK (self->stack), self->search_scrolled, SEARCH_PAGE);
+
+  /* setup search functionality */
+  setup_search (self);
+}
+
+static void
+create_header (CcWindow *self)
 {
+  GtkWidget *image;
   AtkObject *accessible;
 
+  self->header = gtk_header_bar_new ();
+  gtk_header_bar_set_show_close_button (GTK_HEADER_BAR (self->header), TRUE);
+
+  self->header_sizegroup = gtk_size_group_new (GTK_SIZE_GROUP_VERTICAL);
+
   /* previous button */
+  self->previous_button = gtk_button_new_from_icon_name ("go-previous-symbolic", GTK_ICON_SIZE_MENU);
+  gtk_widget_set_valign (self->previous_button, GTK_ALIGN_CENTER);
+  gtk_widget_set_no_show_all (self->previous_button, TRUE);
   accessible = gtk_widget_get_accessible (self->previous_button);
   atk_object_set_name (accessible, _("All Settings"));
+  gtk_header_bar_pack_start (GTK_HEADER_BAR (self->header), self->previous_button);
+  g_signal_connect (self->previous_button, "clicked", G_CALLBACK (previous_button_clicked_cb), self);
+  gtk_size_group_add_widget (self->header_sizegroup, self->previous_button);
+
+  /* toggle search button */
+  self->search_button = gtk_toggle_button_new ();
+  image = gtk_image_new_from_icon_name ("edit-find-symbolic", GTK_ICON_SIZE_MENU);
+  gtk_button_set_image (GTK_BUTTON (self->search_button), image);
+  gtk_widget_set_valign (self->search_button, GTK_ALIGN_CENTER);
+  gtk_style_context_add_class (gtk_widget_get_style_context (self->search_button),
+                               "image-button");
+  gtk_header_bar_pack_end (GTK_HEADER_BAR (self->header), self->search_button);
+
+  self->top_right_box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
+  gtk_header_bar_pack_end (GTK_HEADER_BAR (self->header), self->top_right_box);
+
+  self->lock_button = gtk_lock_button_new (NULL);
+  gtk_style_context_add_class (gtk_widget_get_style_context (self->lock_button),
+                               "text-button");
+  gtk_widget_set_valign (self->lock_button, GTK_ALIGN_CENTER);
+  gtk_widget_set_no_show_all (self->lock_button, TRUE);
+  gtk_container_add (GTK_CONTAINER (self->top_right_box), self->lock_button);
+  gtk_size_group_add_widget (self->header_sizegroup, self->lock_button);
+}
 
-  gtk_window_set_titlebar (GTK_WINDOW (self), self->header_box);
-  gtk_widget_show_all (self->header_box);
-
-  /*
-   * We have to create the listbox here because declaring it in window.ui
-   * and letting GtkBuilder handle it would hit the bug where the focus is
-   * not tracked.
-   */
-  self->panel_list = cc_panel_list_new ();
-
-  g_signal_connect (self->panel_list, "show-panel", G_CALLBACK (show_panel_cb), self);
-  g_signal_connect (self->panel_list, "notify::view", G_CALLBACK (panel_list_view_changed_cb), self);
+static void
+create_window (CcWindow *self)
+{
+  GtkWidget *box;
+  GdkScreen *screen;
 
-  g_object_bind_property (self->search_bar,
-                          "search-mode-enabled",
-                          self->panel_list,
-                          "search-mode",
+  box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
+  gtk_container_add (GTK_CONTAINER (self), box);
+
+  create_header (self);
+  gtk_window_set_titlebar (GTK_WINDOW (self), self->header);
+  gtk_header_bar_set_title (GTK_HEADER_BAR (self->header), _(DEFAULT_WINDOW_TITLE));
+  gtk_widget_show_all (self->header);
+
+  /* search bar */
+  self->search_bar = gtk_search_bar_new ();
+  self->search_entry = gtk_search_entry_new ();
+  gtk_entry_set_width_chars (GTK_ENTRY (self->search_entry), 30);
+  g_signal_connect (self->search_entry, "search-changed", G_CALLBACK (search_entry_changed_cb), self);
+  g_signal_connect (self->search_entry, "key-press-event", G_CALLBACK (search_entry_key_press_event_cb), 
self);
+  gtk_container_add (GTK_CONTAINER (self->search_bar), self->search_entry);
+  gtk_container_add (GTK_CONTAINER (box), self->search_bar);
+
+  g_object_bind_property (self->search_button, "active",
+                          self->search_bar, "search-mode-enabled",
                           G_BINDING_BIDIRECTIONAL);
 
-  g_object_bind_property (self->search_entry,
-                          "text",
-                          self->panel_list,
-                          "search-query",
-                          G_BINDING_DEFAULT);
+  self->stack = gtk_stack_new ();
+  gtk_stack_set_homogeneous (GTK_STACK (self->stack), TRUE);
+  gtk_stack_set_transition_type (GTK_STACK (self->stack), GTK_STACK_TRANSITION_TYPE_CROSSFADE);
+  gtk_box_pack_start (GTK_BOX (box), self->stack, TRUE, TRUE, 0);
 
-  gtk_container_add (GTK_CONTAINER (self->list_scrolled), self->panel_list);
-  gtk_widget_show (self->panel_list);
-
-  setup_model (self);
+  create_main_page (self);
+  create_search_page (self);
 
   /* connect various signals */
+  screen = gtk_widget_get_screen (GTK_WIDGET (self));
+  g_signal_connect (screen, "monitors-changed", G_CALLBACK (monitors_changed_cb), self);
+
+  g_signal_connect (self, "configure-event", G_CALLBACK (main_window_configure_cb), self);
+  g_signal_connect (self, "notify::application", G_CALLBACK (application_set_cb), self);
   g_signal_connect_after (self, "key_press_event",
                           G_CALLBACK (window_key_press_event), self);
   gtk_widget_add_events (GTK_WIDGET (self), GDK_BUTTON_RELEASE_MASK);
   g_signal_connect (self, "button-release-event",
                     G_CALLBACK (window_button_release_event), self);
+  g_signal_connect (self, "map-event", G_CALLBACK (window_map_event_cb), self);
+
+  g_signal_connect (self, "notify::window", G_CALLBACK (gdk_window_set_cb), self);
+
+  g_signal_connect (self->stack, "notify::visible-child",
+                    G_CALLBACK (stack_page_notify_cb), self);
+
+  gtk_widget_show_all (box);
 }
 
 static void
 cc_window_init (CcWindow *self)
 {
-  gtk_widget_init_template (GTK_WIDGET (self));
+  self->monitor_num = -1;
+  self->small_screen = SMALL_SCREEN_UNSET;
 
   create_window (self);
 
@@ -814,8 +1576,7 @@ cc_window_init (CcWindow *self)
   /* keep a list of custom widgets to unload on panel change */
   self->custom_widgets = g_ptr_array_new_with_free_func ((GDestroyNotify) g_object_unref);
 
-  /* After everything is loaded, select the first visible panel */
-  cc_panel_list_activate (CC_PANEL_LIST (self->panel_list));
+  stack_page_notify_cb (GTK_STACK (self->stack), NULL, self);
 }
 
 CcWindow *
diff --git a/shell/alt/cc-panel-list.c b/shell/cc-panel-list.c
similarity index 100%
rename from shell/alt/cc-panel-list.c
rename to shell/cc-panel-list.c
diff --git a/shell/alt/cc-panel-list.h b/shell/cc-panel-list.h
similarity index 100%
rename from shell/alt/cc-panel-list.h
rename to shell/cc-panel-list.h
diff --git a/shell/cc-panel-loader.c b/shell/cc-panel-loader.c
index 14b9782..fc235fe 100644
--- a/shell/cc-panel-loader.c
+++ b/shell/cc-panel-loader.c
@@ -135,6 +135,15 @@ parse_categories (GDesktopAppInfo *app)
 #define const_strv(s) ((const gchar* const*) s)
 
 #ifdef CC_ENABLE_ALT_CATEGORIES
+  if (g_strv_contains (const_strv (split), "X-GNOME-Hidden"))
+    retval = CC_CATEGORY_HIDDEN;
+  else if (g_strv_contains (const_strv (split), "HardwareSettings"))
+    retval = CC_CATEGORY_HARDWARE;
+  else if (g_strv_contains (const_strv (split), "X-GNOME-PersonalSettings"))
+    retval = CC_CATEGORY_PERSONAL;
+  else if (g_strv_contains (const_strv (split), "X-GNOME-SystemSettings"))
+    retval = CC_CATEGORY_SYSTEM;
+#else
   if (g_strv_contains (const_strv (split), "X-GNOME-AltHidden"))
     retval = CC_CATEGORY_HIDDEN;
   else if (g_strv_contains (const_strv (split), "X-GNOME-ConnectivitySettings"))
@@ -149,15 +158,6 @@ parse_categories (GDesktopAppInfo *app)
     retval = CC_CATEGORY_DETAILS;
   else if (g_strv_contains (const_strv (split), "HardwareSettings"))
     retval = CC_CATEGORY_HARDWARE;
-#else
-  if (g_strv_contains (const_strv (split), "X-GNOME-Hidden"))
-    retval = CC_CATEGORY_HIDDEN;
-  else if (g_strv_contains (const_strv (split), "HardwareSettings"))
-    retval = CC_CATEGORY_HARDWARE;
-  else if (g_strv_contains (const_strv (split), "X-GNOME-PersonalSettings"))
-    retval = CC_CATEGORY_PERSONAL;
-  else if (g_strv_contains (const_strv (split), "X-GNOME-SystemSettings"))
-    retval = CC_CATEGORY_SYSTEM;
 #endif
 
 #undef const_strv
diff --git a/shell/cc-shell-model.h b/shell/cc-shell-model.h
index ca0e913..8c0ff28 100644
--- a/shell/cc-shell-model.h
+++ b/shell/cc-shell-model.h
@@ -54,16 +54,16 @@ typedef struct _CcShellModelPrivate CcShellModelPrivate;
 
 typedef enum {
 #ifdef CC_ENABLE_ALT_CATEGORIES
+  CC_CATEGORY_PERSONAL,
+  CC_CATEGORY_SYSTEM,
+  CC_CATEGORY_HARDWARE,
+#else
   CC_CATEGORY_CONNECTIVITY,
   CC_CATEGORY_PERSONALIZATION,
   CC_CATEGORY_ACCOUNT,
   CC_CATEGORY_HARDWARE,
   CC_CATEGORY_DEVICES,
   CC_CATEGORY_DETAILS,
-#else
-  CC_CATEGORY_PERSONAL,
-  CC_CATEGORY_SYSTEM,
-  CC_CATEGORY_HARDWARE,
 #endif
 
   CC_CATEGORY_HIDDEN,
diff --git a/shell/cc-window.c b/shell/cc-window.c
index 94e0573..9f29c55 100644
--- a/shell/cc-window.c
+++ b/shell/cc-window.c
@@ -1,6 +1,7 @@
 /*
  * Copyright (c) 2009, 2010 Intel, Inc.
  * Copyright (c) 2010 Red Hat, Inc.
+ * Copyright (c) 2016 Endless, Inc.
  *
  * The Control Center is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by the
@@ -36,41 +37,25 @@
 #include "cc-shell.h"
 #include "cc-shell-category-view.h"
 #include "cc-shell-model.h"
+#include "cc-panel-list.h"
 #include "cc-panel-loader.h"
 #include "cc-util.h"
 
-/* Use a fixed width for the shell, since resizing horizontally is more awkward
- * for the user than resizing vertically
- * Both sizes are defined in https://live.gnome.org/Design/SystemSettings/ */
-#define FIXED_WIDTH 740
-#define FIXED_HEIGHT 636
-#define SMALL_SCREEN_FIXED_HEIGHT 400
-
-#define MIN_ICON_VIEW_HEIGHT 300
-
 #define MOUSE_BACK_BUTTON 8
 
-#define DEFAULT_WINDOW_TITLE N_("All Settings")
 #define DEFAULT_WINDOW_ICON_NAME "preferences-system"
 
-#define SEARCH_PAGE "_search"
-#define OVERVIEW_PAGE "_overview"
-
-typedef enum {
-       SMALL_SCREEN_UNSET,
-       SMALL_SCREEN_TRUE,
-       SMALL_SCREEN_FALSE
-} CcSmallScreen;
-
 struct _CcWindow
 {
   GtkApplicationWindow parent;
 
   GtkWidget  *stack;
   GtkWidget  *header;
-  GtkWidget  *main_vbox;
-  GtkWidget  *scrolled_window;
+  GtkWidget  *header_box;
+  GtkWidget  *list_scrolled;
+  GtkWidget  *panel_headerbar;
   GtkWidget  *search_scrolled;
+  GtkWidget  *panel_list;
   GtkWidget  *previous_button;
   GtkWidget  *top_right_box;
   GtkWidget  *search_button;
@@ -88,15 +73,7 @@ struct _CcWindow
 
   GtkListStore *store;
 
-  GtkTreeModel *search_filter;
-  GtkWidget *search_view;
-  gchar *filter_string;
-  gchar **filter_terms;
-
   CcPanel *active_panel;
-
-  int monitor_num;
-  CcSmallScreen small_screen;
 };
 
 static void     cc_shell_iface_init         (CcShellInterface      *iface);
@@ -115,8 +92,6 @@ static gboolean cc_window_set_active_panel_from_id (CcShell      *shell,
                                                     GVariant     *parameters,
                                                     GError      **err);
 
-static gint get_monitor_height (CcWindow *self);
-
 static const gchar *
 get_icon_name_from_g_icon (GIcon *gicon)
 {
@@ -174,12 +149,12 @@ activate_panel (CcWindow           *self,
   icon_name = get_icon_name_from_g_icon (gicon);
 
   gtk_window_set_role (GTK_WINDOW (self), id);
-  gtk_header_bar_set_title (GTK_HEADER_BAR (self->header), name);
+  gtk_header_bar_set_title (GTK_HEADER_BAR (self->panel_headerbar), name);
   gtk_window_set_default_icon_name (icon_name);
   gtk_window_set_icon_name (GTK_WINDOW (self), icon_name);
 
   title_widget = cc_panel_get_title_widget (CC_PANEL (self->current_panel));
-  gtk_header_bar_set_custom_title (GTK_HEADER_BAR (self->header), title_widget);
+  gtk_header_bar_set_custom_title (GTK_HEADER_BAR (self->panel_headerbar), title_widget);
 
   self->current_panel_box = box;
 
@@ -222,7 +197,7 @@ add_current_panel_to_history (CcShell    *shell,
 static void
 shell_show_overview_page (CcWindow *self)
 {
-  gtk_stack_set_visible_child_name (GTK_STACK (self->stack), OVERVIEW_PAGE);
+  cc_panel_list_set_view (CC_PANEL_LIST (self->panel_list), CC_PANEL_LIST_MAIN);
 
   if (self->current_panel_box)
     gtk_container_remove (GTK_CONTAINER (self->stack), self->current_panel_box);
@@ -235,8 +210,6 @@ shell_show_overview_page (CcWindow *self)
   self->previous_panels = g_queue_new ();
 
   /* clear the search text */
-  g_free (self->filter_string);
-  self->filter_string = g_strdup ("");
   gtk_entry_set_text (GTK_ENTRY (self->search_entry), "");
   if (gtk_search_bar_get_search_mode (GTK_SEARCH_BAR (self->search_bar)))
     gtk_widget_grab_focus (self->search_entry);
@@ -245,8 +218,6 @@ shell_show_overview_page (CcWindow *self)
 
   /* reset window title and icon */
   gtk_window_set_role (GTK_WINDOW (self), NULL);
-  gtk_header_bar_set_title (GTK_HEADER_BAR (self->header), _(DEFAULT_WINDOW_TITLE));
-  gtk_header_bar_set_custom_title (GTK_HEADER_BAR (self->header), NULL);
   gtk_window_set_default_icon_name (DEFAULT_WINDOW_ICON_NAME);
   gtk_window_set_icon_name (GTK_WINDOW (self), DEFAULT_WINDOW_ICON_NAME);
 
@@ -273,610 +244,122 @@ cc_window_set_search_item (CcWindow   *center,
 }
 
 static void
-item_activated_cb (CcShellCategoryView *view,
-                   gchar               *name,
-                   gchar               *id,
-                   CcWindow            *shell)
-{
-  cc_window_set_active_panel_from_id (CC_SHELL (shell), id, NULL, NULL);
-}
-
-static gboolean
-category_focus_out (GtkWidget     *view,
-                    GdkEventFocus *event,
-                    CcWindow      *shell)
-{
-  gtk_icon_view_unselect_all (GTK_ICON_VIEW (view));
-
-  return FALSE;
-}
-
-static gboolean
-category_focus_in (GtkWidget     *view,
-                   GdkEventFocus *event,
-                   CcWindow      *shell)
-{
-  GtkTreePath *path;
-
-  if (!gtk_icon_view_get_cursor (GTK_ICON_VIEW (view), &path, NULL))
-    {
-      path = gtk_tree_path_new_from_indices (0, -1);
-      gtk_icon_view_set_cursor (GTK_ICON_VIEW (view), path, NULL, FALSE);
-    }
-
-  gtk_icon_view_select_path (GTK_ICON_VIEW (view), path);
-  gtk_tree_path_free (path);
-
-  return FALSE;
-}
-
-static GList *
-get_item_views (CcWindow *shell)
-{
-  GList *list, *l;
-  GList *res;
-
-  list = gtk_container_get_children (GTK_CONTAINER (shell->main_vbox));
-  res = NULL;
-  for (l = list; l; l = l->next)
-    {
-      if (!CC_IS_SHELL_CATEGORY_VIEW (l->data))
-        continue;
-      res = g_list_append (res, cc_shell_category_view_get_item_view (CC_SHELL_CATEGORY_VIEW (l->data)));
-    }
-
-  g_list_free (list);
-
-  return res;
-}
-
-static gboolean
-is_prev_direction (GtkWidget *widget,
-                   GtkDirectionType direction)
-{
-  if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR &&
-      direction == GTK_DIR_LEFT)
-    return TRUE;
-  if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL &&
-      direction == GTK_DIR_RIGHT)
-    return TRUE;
-  return FALSE;
-}
-
-static gboolean
-is_next_direction (GtkWidget *widget,
-                   GtkDirectionType direction)
-{
-  if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR &&
-      direction == GTK_DIR_RIGHT)
-    return TRUE;
-  if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL &&
-      direction == GTK_DIR_LEFT)
-    return TRUE;
-  return FALSE;
-}
-
-static GtkTreePath *
-get_first_path (GtkIconView *view)
-{
-  GtkTreeModel *model;
-  GtkTreeIter iter;
-
-  model = gtk_icon_view_get_model (view);
-  if (!gtk_tree_model_get_iter_first (model, &iter))
-    return NULL;
-  return gtk_tree_model_get_path (model, &iter);
-}
-
-static GtkTreePath *
-get_last_path (GtkIconView *view)
+show_panel_cb (CcPanelList *panel_list,
+               const gchar *panel_id,
+               CcWindow    *self)
 {
-  GtkTreeModel *model;
-  GtkTreeIter iter;
-  GtkTreePath *path;
-  gboolean ret;
-
-  model = gtk_icon_view_get_model (view);
-  if (!gtk_tree_model_get_iter_first (model, &iter))
-    return NULL;
-
-  ret = TRUE;
-  path = NULL;
-
-  while (ret)
-    {
-      g_clear_pointer (&path, gtk_tree_path_free);
-      path = gtk_tree_model_get_path (model, &iter);
-      ret = gtk_tree_model_iter_next (model, &iter);
-    }
-  return path;
+  if (panel_id)
+    cc_window_set_active_panel_from_id (CC_SHELL (self), panel_id, NULL, NULL);
+  else
+    shell_show_overview_page (self);
 }
 
-static gboolean
-categories_keynav_failed (GtkIconView      *current_view,
-                          GtkDirectionType  direction,
-                          CcWindow         *shell)
+static void
+update_list_title (CcWindow *self)
 {
-  GList *views, *v;
-  GtkIconView *new_view;
-  GtkTreePath *path;
-  GtkTreeModel *model;
-  GtkTreeIter iter;
-  gint col, c, dist, d;
-  GtkTreePath *sel;
-  gboolean res;
-
-  res = FALSE;
-
-  views = get_item_views (shell);
-
-  for (v = views; v; v = v->next)
-    {
-      if (v->data == current_view)
-        break;
-    }
-
-  new_view = NULL;
-
-  if (direction == GTK_DIR_DOWN && v != NULL && v->next != NULL)
-    {
-      new_view = v->next->data;
-
-      if (gtk_icon_view_get_cursor (current_view, &path, NULL))
-        {
-          col = gtk_icon_view_get_item_column (current_view, path);
-          gtk_tree_path_free (path);
-
-          sel = NULL;
-          dist = 1000;
-          model = gtk_icon_view_get_model (new_view);
-          g_assert (gtk_tree_model_get_iter_first (model, &iter));
-          do {
-            path = gtk_tree_model_get_path (model, &iter);
-            c = gtk_icon_view_get_item_column (new_view, path);
-            d = ABS (c - col);
-            if (d < dist)
-              {
-                if (sel)
-                  gtk_tree_path_free (sel);
-                sel = path;
-                dist = d;
-              }
-            else
-              gtk_tree_path_free (path);
-          } while (gtk_tree_model_iter_next (model, &iter));
-
-          gtk_icon_view_set_cursor (new_view, sel, NULL, FALSE);
-          gtk_tree_path_free (sel);
-        }
-
-      gtk_widget_grab_focus (GTK_WIDGET (new_view));
+  CcPanelListView view;
+  const gchar *title;
 
-      res = TRUE;
-    }
+  view = cc_panel_list_get_view (CC_PANEL_LIST (self->panel_list));
 
-  if (direction == GTK_DIR_UP && v != NULL && v->prev != NULL)
+  switch (view)
     {
-      new_view = v->prev->data;
-
-      if (gtk_icon_view_get_cursor (current_view, &path, NULL))
-        {
-          col = gtk_icon_view_get_item_column (current_view, path);
-          gtk_tree_path_free (path);
-
-          sel = NULL;
-          dist = 1000;
-          model = gtk_icon_view_get_model (new_view);
-          g_assert (gtk_tree_model_get_iter_first (model, &iter));
-          do {
-            path = gtk_tree_model_get_path (model, &iter);
-            c = gtk_icon_view_get_item_column (new_view, path);
-            d = ABS (c - col);
-            if (d <= dist)
-              {
-                if (sel)
-                  gtk_tree_path_free (sel);
-                sel = path;
-                dist = d;
-              }
-            else
-              gtk_tree_path_free (path);
-          } while (gtk_tree_model_iter_next (model, &iter));
-
-          gtk_icon_view_set_cursor (new_view, sel, NULL, FALSE);
-          gtk_tree_path_free (sel);
-        }
-
-      gtk_widget_grab_focus (GTK_WIDGET (new_view));
+    case CC_PANEL_LIST_DETAILS:
+      title = _("Details");
+      break;
 
-      res = TRUE;
-    }
+    case CC_PANEL_LIST_DEVICES:
+      title = _("Devices");
+      break;
 
-  if (is_prev_direction (GTK_WIDGET (current_view), direction) && v != NULL)
-    {
-      if (gtk_icon_view_get_cursor (current_view, &path, NULL))
-        {
-          if (v->prev)
-            new_view = v->prev->data;
-
-          if (gtk_tree_path_prev (path))
-            {
-              new_view = current_view;
-            }
-          else if (new_view != NULL)
-            {
-              path = get_last_path (new_view);
-            }
-          else
-            {
-              goto out;
-            }
-
-          gtk_icon_view_set_cursor (new_view, path, NULL, FALSE);
-          gtk_icon_view_select_path (new_view, path);
-          gtk_tree_path_free (path);
-          gtk_widget_grab_focus (GTK_WIDGET (new_view));
-
-          res = TRUE;
-        }
-    }
+    case CC_PANEL_LIST_MAIN:
+      title = _("Settings");
+      break;
 
-  if (is_next_direction (GTK_WIDGET (current_view), direction) && v != NULL)
-    {
-      if (gtk_icon_view_get_cursor (current_view, &path, NULL))
-        {
-          GtkTreeIter iter;
-
-          if (v->next)
-            new_view = v->next->data;
-
-          gtk_tree_path_next (path);
-          model = gtk_icon_view_get_model (current_view);
-
-          if (gtk_tree_model_get_iter (model, &iter, path))
-            {
-              new_view = current_view;
-            }
-          else if (new_view != NULL)
-            {
-              path = get_first_path (new_view);
-            }
-          else
-            {
-              goto out;
-            }
-
-          gtk_icon_view_set_cursor (new_view, path, NULL, FALSE);
-          gtk_icon_view_select_path (new_view, path);
-          gtk_tree_path_free (path);
-          gtk_widget_grab_focus (GTK_WIDGET (new_view));
-
-          res = TRUE;
-        }
+    case CC_PANEL_LIST_SEARCH:
+      title = NULL;
+      break;
     }
 
-out:
-  g_list_free (views);
-
-  return res;
+  if (title)
+    gtk_header_bar_set_title (GTK_HEADER_BAR (self->header), title);
 }
 
-static gboolean
-model_filter_func (GtkTreeModel *model,
-                   GtkTreeIter  *iter,
-                   CcWindow     *self)
+static void
+panel_list_view_changed_cb (CcPanelList *panel_list,
+                            GParamSpec  *pspec,
+                            CcWindow    *self)
 {
-  char **t;
-  gboolean matches = FALSE;
+  gboolean is_main_view;
 
-  if (!self->filter_string || !self->filter_terms)
-    return FALSE;
+  is_main_view = cc_panel_list_get_view (panel_list) == CC_PANEL_LIST_MAIN;
 
-  for (t = self->filter_terms; *t; t++)
-    {
-      matches = cc_shell_model_iter_matches_search (CC_SHELL_MODEL (model),
-                                                    iter,
-                                                    *t);
-      if (!matches)
-        break;
-    }
+  gtk_widget_set_visible (self->previous_button, !is_main_view);
+  gtk_widget_set_visible (self->search_button, is_main_view);
 
-  return matches;
-}
-
-static gboolean
-category_filter_func (GtkTreeModel    *model,
-                      GtkTreeIter     *iter,
-                      CcPanelCategory  filter)
-{
-  guint category;
-
-  gtk_tree_model_get (model, iter, COL_CATEGORY, &category, -1);
-
-  return (category == filter);
+  update_list_title (self);
 }
 
 static void
-search_entry_changed_cb (GtkEntry *entry,
-                         CcWindow *self)
+search_entry_activate_cb (GtkEntry *entry,
+                          CcWindow *self)
 {
-  char *str;
-
-  /* if the entry text was set manually (not by the user) */
-  if (!g_strcmp0 (self->filter_string, gtk_entry_get_text (entry)))
-    {
-      cc_shell_model_set_sort_terms (CC_SHELL_MODEL (self->store), NULL);
-      return;
-    }
+  gboolean changed;
 
-  /* Don't re-filter for added trailing or leading spaces */
-  str = cc_util_normalize_casefold_and_unaccent (gtk_entry_get_text (entry));
-  g_strstrip (str);
-  if (!g_strcmp0 (str, self->filter_string))
-    {
-      g_free (str);
-      return;
-    }
-
-  g_free (self->filter_string);
-  self->filter_string = str;
+  changed = cc_panel_list_activate (CC_PANEL_LIST (self->panel_list));
 
-  g_strfreev (self->filter_terms);
-  self->filter_terms = g_strsplit (self->filter_string, " ", -1);
-
-  cc_shell_model_set_sort_terms (CC_SHELL_MODEL (self->store), self->filter_terms);
-
-  if (!g_strcmp0 (self->filter_string, ""))
-    {
-      shell_show_overview_page (self);
-    }
-  else
-    {
-      gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (self->search_filter));
-      gtk_stack_set_visible_child_name (GTK_STACK (self->stack), SEARCH_PAGE);
-    }
+  gtk_search_bar_set_search_mode (GTK_SEARCH_BAR (self->search_bar), !changed);
 }
 
-static gboolean
-search_entry_key_press_event_cb (GtkEntry        *entry,
-                                 GdkEventKey     *event,
-                                 CcWindow        *self)
-{
-  if (event->keyval == GDK_KEY_Return &&
-      g_strcmp0 (self->filter_string, "") != 0)
-    {
-      GtkTreePath *path;
-      GtkTreeSelection *selection;
-
-      path = gtk_tree_path_new_first ();
-
-      selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (self->search_view));
-      gtk_tree_selection_select_path (selection, path);
-
-      if (!gtk_tree_selection_path_is_selected (selection, path))
-        {
-          gtk_tree_path_free (path);
-          return FALSE;
-        }
-
-      gtk_tree_view_row_activated (GTK_TREE_VIEW (self->search_view), path,
-                                   gtk_tree_view_get_column (GTK_TREE_VIEW (self->search_view), 0));
-      gtk_tree_path_free (path);
-      return TRUE;
-    }
-
-  if (event->keyval == GDK_KEY_Escape)
-    {
-      gtk_search_bar_set_search_mode (GTK_SEARCH_BAR (self->search_bar), FALSE);
-      gtk_entry_set_text (entry, "");
-      return TRUE;
-    }
-
-  return FALSE;
-}
 
 static void
-on_search_row_activated (GtkTreeView       *treeview,
-                         GtkTreePath       *path,
-                         GtkTreeViewColumn *column,
-                         CcWindow          *shell)
+setup_model (CcWindow *shell)
 {
-  GtkTreeSelection *selection;
   GtkTreeModel *model;
-  GtkTreeIter   iter;
-  char         *id = NULL;
-
-  selection = gtk_tree_view_get_selection (treeview);
-
-  if (!gtk_tree_selection_get_selected (selection, &model, &iter))
-    return;
+  GtkTreeIter iter;
+  gboolean valid;
 
-  gtk_tree_model_get (model, &iter,
-                      COL_ID, &id,
-                      -1);
+  shell->store = (GtkListStore *) cc_shell_model_new ();
+  model = GTK_TREE_MODEL (shell->store);
 
-  if (id)
-    cc_window_set_active_panel_from_id (CC_SHELL (shell), id, NULL, NULL);
+  cc_panel_loader_fill_model (CC_SHELL_MODEL (shell->store));
 
-  gtk_tree_selection_unselect_all (selection);
+  /* Create a row for each panel */
+  valid = gtk_tree_model_get_iter_first (model, &iter);
 
-  g_free (id);
-}
-
-static gboolean
-on_search_button_press_event (GtkTreeView    *treeview,
-                              GdkEventButton *event,
-                              CcWindow       *shell)
-{
-  if (event->type == GDK_BUTTON_PRESS && event->button == 1)
+  while (valid)
     {
-      GtkTreePath *path = NULL;
-      GtkTreeSelection *selection;
-      GtkTreeModel *model;
-      GtkTreeIter iter;
-
-      /* We don't check for the position being blank,
-       * it could be the dead space between columns */
-      gtk_tree_view_is_blank_at_pos (treeview,
-                                     event->x, event->y,
-                                     &path,
-                                     NULL,
-                                     NULL,
-                                     NULL);
-      if (path == NULL)
-        return FALSE;
-
-      model = gtk_tree_view_get_model (treeview);
-      if (gtk_tree_model_get_iter (model, &iter, path) == FALSE)
-        {
-          gtk_tree_path_free (path);
-          return FALSE;
-        }
-
-      selection = gtk_tree_view_get_selection (treeview);
-      gtk_tree_selection_select_iter (selection, &iter);
+      CcPanelCategory category;
+      GIcon *icon;
+      gchar *name, *description, *id, *symbolic_icon;
+      const gchar *icon_name;
 
-      on_search_row_activated (treeview, NULL, NULL, shell);
-
-      gtk_tree_path_free (path);
-
-      return TRUE;
-    }
+      gtk_tree_model_get (model, &iter,
+                          COL_CATEGORY, &category,
+                          COL_DESCRIPTION, &description,
+                          COL_GICON, &icon,
+                          COL_ID, &id,
+                          COL_NAME, &name,
+                          -1);
 
-  return FALSE;
-}
+      icon_name = get_icon_name_from_g_icon (icon);
+      symbolic_icon = g_strdup_printf ("%s-symbolic", icon_name);
 
-static void
-setup_search (CcWindow *self)
-{
-  GtkWidget *search_view;
-  GtkCellRenderer *renderer;
-  GtkTreeViewColumn *column;
-
-  g_return_if_fail (self->store != NULL);
-
-  /* create the search filter */
-  self->search_filter = gtk_tree_model_filter_new (GTK_TREE_MODEL (self->store),
-                                                   NULL);
-
-  gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (self->search_filter),
-                                          (GtkTreeModelFilterVisibleFunc)
-                                          model_filter_func,
-                                          self, NULL);
-
-  /* set up the search view */
-  self->search_view = search_view = gtk_tree_view_new ();
-  gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (search_view), FALSE);
-  gtk_tree_view_set_enable_search (GTK_TREE_VIEW (search_view), FALSE);
-  gtk_tree_view_set_model (GTK_TREE_VIEW (search_view),
-                           GTK_TREE_MODEL (self->search_filter));
-  /* This needs to happen after setting the model, otherwise
-   * the search column will be the first string column */
-  gtk_tree_view_set_search_column (GTK_TREE_VIEW (search_view), -1);
-
-  renderer = gtk_cell_renderer_pixbuf_new ();
-  g_object_set (renderer,
-                "xpad", 15,
-                "ypad", 10,
-                "stock-size", GTK_ICON_SIZE_DIALOG,
-                "follow-state", TRUE,
-                NULL);
-  column = gtk_tree_view_column_new_with_attributes ("Icon", renderer,
-                                                     "gicon", COL_GICON,
-                                                     NULL);
-  gtk_tree_view_column_set_expand (column, FALSE);
-  gtk_tree_view_append_column (GTK_TREE_VIEW (self->search_view), column);
-
-  renderer = gtk_cell_renderer_text_new ();
-  g_object_set (renderer,
-                "xpad", 0,
-                NULL);
-  column = gtk_tree_view_column_new_with_attributes ("Name", renderer,
-                                                     "text", COL_NAME,
-                                                     NULL);
-  gtk_tree_view_column_set_expand (column, FALSE);
-  gtk_tree_view_append_column (GTK_TREE_VIEW (self->search_view), column);
-
-  renderer = gd_styled_text_renderer_new ();
-  gd_styled_text_renderer_add_class (GD_STYLED_TEXT_RENDERER (renderer), "dim-label");
-  g_object_set (renderer,
-                "xpad", 15,
-                "ellipsize", PANGO_ELLIPSIZE_END,
-                NULL);
-  column = gtk_tree_view_column_new_with_attributes ("Description", renderer,
-                                                     "text", COL_DESCRIPTION,
-                                                     NULL);
-  gtk_tree_view_column_set_expand (column, TRUE);
-  gtk_tree_view_append_column (GTK_TREE_VIEW (self->search_view), column);
-
-  gtk_container_add (GTK_CONTAINER (self->search_scrolled), search_view);
-
-  g_signal_connect (self->search_view, "row-activated",
-                    G_CALLBACK (on_search_row_activated), self);
-  g_signal_connect (self->search_view, "button-press-event",
-                    G_CALLBACK (on_search_button_press_event), self);
-
-  self->filter_string = g_strdup ("");
-
-  gtk_widget_show (self->search_view);
-}
+      cc_panel_list_add_panel (CC_PANEL_LIST (shell->panel_list),
+                               category,
+                               id,
+                               name,
+                               description,
+                               symbolic_icon);
 
-static void
-add_category_view (CcWindow        *shell,
-                   CcPanelCategory  category,
-                   const char      *name)
-{
-  GtkTreeModel *filter;
-  GtkWidget *categoryview;
+      valid = gtk_tree_model_iter_next (model, &iter);
 
-  if (category > 0)
-    {
-      GtkWidget *separator;
-      separator = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL);
-      gtk_widget_set_margin_top (separator, 11);
-      gtk_widget_set_margin_bottom (separator, 10);
-      gtk_box_pack_start (GTK_BOX (shell->main_vbox), separator, FALSE, FALSE, 0);
-      gtk_widget_show (separator);
+      g_clear_pointer (&symbolic_icon, g_free);
+      g_clear_pointer (&description, g_free);
+      g_clear_pointer (&name, g_free);
+      g_clear_pointer (&id, g_free);
+      g_clear_object (&icon);
     }
-
-  /* create new category view for this category */
-  filter = gtk_tree_model_filter_new (GTK_TREE_MODEL (shell->store),
-                                      NULL);
-  gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (filter),
-                                          (GtkTreeModelFilterVisibleFunc) category_filter_func,
-                                          GINT_TO_POINTER (category), NULL);
-
-  categoryview = cc_shell_category_view_new (name, filter);
-  gtk_box_pack_start (GTK_BOX (shell->main_vbox), categoryview, FALSE, TRUE, 0);
-
-  g_signal_connect (cc_shell_category_view_get_item_view (CC_SHELL_CATEGORY_VIEW (categoryview)),
-                    "desktop-item-activated",
-                    G_CALLBACK (item_activated_cb), shell);
-
-  gtk_widget_show (categoryview);
-
-  g_signal_connect (cc_shell_category_view_get_item_view (CC_SHELL_CATEGORY_VIEW (categoryview)),
-                    "focus-in-event",
-                    G_CALLBACK (category_focus_in), shell);
-  g_signal_connect (cc_shell_category_view_get_item_view (CC_SHELL_CATEGORY_VIEW (categoryview)),
-                    "focus-out-event",
-                    G_CALLBACK (category_focus_out), shell);
-  g_signal_connect (cc_shell_category_view_get_item_view (CC_SHELL_CATEGORY_VIEW (categoryview)),
-                    "keynav-failed",
-                    G_CALLBACK (categories_keynav_failed), shell);
-}
-
-static void
-setup_model (CcWindow *shell)
-{
- shell->store = (GtkListStore *) cc_shell_model_new ();
-
-  /* Add categories */
-  add_category_view (shell, CC_CATEGORY_PERSONAL, C_("category", "Personal"));
-  add_category_view (shell, CC_CATEGORY_HARDWARE, C_("category", "Hardware"));
-  add_category_view (shell, CC_CATEGORY_SYSTEM, C_("category", "System"));
-
-  cc_panel_loader_fill_model (CC_SHELL_MODEL (shell->store));
 }
 
 static void
@@ -884,68 +367,21 @@ previous_button_clicked_cb (GtkButton *button,
                             CcWindow  *shell)
 {
   g_debug ("Num previous panels? %d", g_queue_get_length (shell->previous_panels));
-  if (g_queue_is_empty (shell->previous_panels)) {
-    shell_show_overview_page (shell);
-  } else {
-    char *panel_name;
-
-    panel_name = g_queue_pop_head (shell->previous_panels);
-    g_debug ("About to go to previous panel '%s'", panel_name);
-    cc_window_set_active_panel_from_id (CC_SHELL (shell), panel_name, NULL, NULL);
-    g_free (panel_name);
-  }
+
+  /* When in search, simply unsed the search mode */
+  if (gtk_search_bar_get_search_mode (GTK_SEARCH_BAR (shell->search_bar)))
+    gtk_search_bar_set_search_mode (GTK_SEARCH_BAR (shell->search_bar), FALSE);
+  else
+    cc_panel_list_set_view (CC_PANEL_LIST (shell->panel_list), CC_PANEL_LIST_MAIN);
 }
 
 static void
-stack_page_notify_cb (GtkStack     *stack,
-                      GParamSpec  *spec,
-                      CcWindow    *self)
+sidelist_size_allocate_cb (GtkWidget    *box,
+                           GdkRectangle *allocation,
+                           CcWindow     *self)
 {
-  int nat_height;
-  const char *id;
-
-  id = gtk_stack_get_visible_child_name (stack);
-
-  /* make sure the home button is shown on all pages except the overview page */
-
-  if (g_strcmp0 (id, OVERVIEW_PAGE) == 0 || g_strcmp0 (id, SEARCH_PAGE) == 0)
-    {
-      gint header_height, maximum_height;
-
-      gtk_widget_hide (self->previous_button);
-      gtk_widget_show (self->search_button);
-      gtk_widget_show (self->search_bar);
-      gtk_widget_hide (self->lock_button);
-
-      gtk_widget_get_preferred_height_for_width (GTK_WIDGET (self->main_vbox),
-                                                 FIXED_WIDTH, NULL, &nat_height);
-      gtk_widget_get_preferred_height_for_width (GTK_WIDGET (self->header),
-                                                 FIXED_WIDTH, NULL, &header_height);
-
-      /* find the maximum height by using the monitor height minus an allowance
-       * for title bar, etc. */
-      maximum_height = get_monitor_height (self) - 100;
-
-      if (maximum_height > 0 && nat_height + header_height > maximum_height)
-        nat_height = maximum_height - header_height;
-
-      gtk_scrolled_window_set_min_content_height (GTK_SCROLLED_WINDOW (self->scrolled_window),
-                                                  self->small_screen == SMALL_SCREEN_TRUE ? 
SMALL_SCREEN_FIXED_HEIGHT : nat_height);
-    }
-  else
-    {
-      gtk_widget_show (self->previous_button);
-      gtk_widget_hide (self->search_button);
-      gtk_widget_hide (self->search_bar);
-      /* set the scrolled window small so that it doesn't force
-         the window to be larger than this panel */
-      gtk_widget_get_preferred_height_for_width (GTK_WIDGET (self),
-                                                 FIXED_WIDTH, NULL, &nat_height);
-      gtk_scrolled_window_set_min_content_height (GTK_SCROLLED_WINDOW (self->scrolled_window), 
MIN_ICON_VIEW_HEIGHT);
-      gtk_window_resize (GTK_WINDOW (self),
-                         FIXED_WIDTH,
-                         nat_height);
-    }
+  /* Keep the sidelist and the first headerbar synchronized */
+  gtk_widget_set_size_request (self->header, allocation->width, -1);
 }
 
 /* CcShell implementation */
@@ -1041,6 +477,8 @@ cc_window_set_active_panel_from_id (CcShell      *shell,
 
       if (old_panel)
         gtk_container_remove (GTK_CONTAINER (self->stack), old_panel);
+
+      cc_panel_list_set_active_panel (CC_PANEL_LIST (self->panel_list), start_id);
     }
 
   g_free (name);
@@ -1066,6 +504,39 @@ _shell_get_toplevel (CcShell *shell)
   return GTK_WIDGET (shell);
 }
 
+static void
+gdk_window_set_cb (GObject    *object,
+                   GParamSpec *pspec,
+                   CcWindow   *self)
+{
+  GdkWindow *window;
+  gchar *str;
+
+  if (!GDK_IS_X11_DISPLAY (gdk_display_get_default ()))
+    return;
+
+  window = gtk_widget_get_window (GTK_WIDGET (self));
+
+  if (!window)
+    return;
+
+  str = g_strdup_printf ("%u", (guint) GDK_WINDOW_XID (window));
+  g_setenv ("GNOME_CONTROL_CENTER_XID", str, TRUE);
+  g_free (str);
+}
+
+static gboolean
+window_map_event_cb (GtkWidget *widget,
+                     GdkEvent  *event,
+                     CcWindow  *self)
+{
+  /* If focus ends up in a category icon view one of the items is
+   * immediately selected which looks odd when we are starting up, so
+   * we explicitly unset the focus here. */
+  gtk_window_set_focus (GTK_WINDOW (self), NULL);
+  return GDK_EVENT_PROPAGATE;
+}
+
 /* GObject Implementation */
 static void
 cc_window_get_property (GObject    *object,
@@ -1133,14 +604,6 @@ cc_window_dispose (GObject *object)
 {
   CcWindow *self = CC_WINDOW (object);
 
-  /* Avoid receiving notifications about the pages changing
-   * when destroying the children one-by-one */
-  if (self->stack)
-    {
-      g_signal_handlers_disconnect_by_func (self->stack, stack_page_notify_cb, object);
-      self->stack = NULL;
-    }
-
   g_free (self->current_panel_id);
   self->current_panel_id = NULL;
 
@@ -1151,15 +614,7 @@ cc_window_dispose (GObject *object)
     }
 
   g_clear_object (&self->store);
-  g_clear_object (&self->search_filter);
   g_clear_object (&self->active_panel);
-  g_clear_object (&self->header_sizegroup);
-
-  if (self->previous_panels)
-    {
-      g_queue_free_full (self->previous_panels, g_free);
-      self->previous_panels = NULL;
-    }
 
   G_OBJECT_CLASS (cc_window_parent_class)->dispose (object);
 }
@@ -1169,8 +624,11 @@ cc_window_finalize (GObject *object)
 {
   CcWindow *self = CC_WINDOW (object);
 
-  g_free (self->filter_string);
-  g_strfreev (self->filter_terms);
+  if (self->previous_panels)
+    {
+      g_queue_free_full (self->previous_panels, g_free);
+      self->previous_panels = NULL;
+    }
 
   G_OBJECT_CLASS (cc_window_parent_class)->finalize (object);
 }
@@ -1186,6 +644,7 @@ cc_shell_iface_init (CcShellInterface *iface)
 static void
 cc_window_class_init (CcWindowClass *klass)
 {
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 
   object_class->get_property = cc_window_get_property;
@@ -1194,6 +653,28 @@ cc_window_class_init (CcWindowClass *klass)
   object_class->finalize = cc_window_finalize;
 
   g_object_class_override_property (object_class, PROP_ACTIVE_PANEL, "active-panel");
+
+  gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/ControlCenter/gtk/window.ui");
+
+  gtk_widget_class_bind_template_child (widget_class, CcWindow, header);
+  gtk_widget_class_bind_template_child (widget_class, CcWindow, header_box);
+  gtk_widget_class_bind_template_child (widget_class, CcWindow, header_sizegroup);
+  gtk_widget_class_bind_template_child (widget_class, CcWindow, list_scrolled);
+  gtk_widget_class_bind_template_child (widget_class, CcWindow, lock_button);
+  gtk_widget_class_bind_template_child (widget_class, CcWindow, panel_headerbar);
+  gtk_widget_class_bind_template_child (widget_class, CcWindow, previous_button);
+  gtk_widget_class_bind_template_child (widget_class, CcWindow, search_bar);
+  gtk_widget_class_bind_template_child (widget_class, CcWindow, search_button);
+  gtk_widget_class_bind_template_child (widget_class, CcWindow, search_entry);
+  gtk_widget_class_bind_template_child (widget_class, CcWindow, stack);
+  gtk_widget_class_bind_template_child (widget_class, CcWindow, top_right_box);
+
+  gtk_widget_class_bind_template_callback (widget_class, previous_button_clicked_cb);
+  gtk_widget_class_bind_template_callback (widget_class, gdk_window_set_cb);
+  gtk_widget_class_bind_template_callback (widget_class, search_entry_activate_cb);
+  gtk_widget_class_bind_template_callback (widget_class, sidelist_size_allocate_cb);
+  gtk_widget_class_bind_template_callback (widget_class, update_list_title);
+  gtk_widget_class_bind_template_callback (widget_class, window_map_event_cb);
 }
 
 static gboolean
@@ -1215,10 +696,8 @@ window_key_press_event (GtkWidget   *win,
   GdkKeymap *keymap;
   gboolean retval;
   GdkModifierType state;
+  CcPanelListView view;
   gboolean is_rtl;
-  gboolean overview;
-  gboolean search;
-  const gchar *id;
 
   retval = GDK_EVENT_PROPAGATE;
   state = event->state;
@@ -1226,14 +705,14 @@ window_key_press_event (GtkWidget   *win,
   gdk_keymap_add_virtual_modifiers (keymap, &state);
   state = state & gtk_accelerator_get_default_mod_mask ();
   is_rtl = gtk_widget_get_direction (win) == GTK_TEXT_DIR_RTL;
+  view = cc_panel_list_get_view (CC_PANEL_LIST (self->panel_list));
 
-  id = gtk_stack_get_visible_child_name (GTK_STACK (self->stack));
-  overview = g_str_equal (id, OVERVIEW_PAGE);
-  search = g_str_equal (id, SEARCH_PAGE);
-
-  if ((overview || search) &&
+  /* The search only happens when we're in the MAIN view */
+  if (view == CC_PANEL_LIST_MAIN &&
       gtk_search_bar_handle_event (GTK_SEARCH_BAR (self->search_bar), (GdkEvent*) event) == GDK_EVENT_STOP)
-    return GDK_EVENT_STOP;
+    {
+      return GDK_EVENT_STOP;
+    }
 
   if (state == GDK_CONTROL_MASK)
     {
@@ -1243,8 +722,13 @@ window_key_press_event (GtkWidget   *win,
           case GDK_KEY_S:
           case GDK_KEY_f:
           case GDK_KEY_F:
-            if (!overview && !search)
-              break;
+            /* The search only happens when we're in the MAIN view */
+            if (view != CC_PANEL_LIST_MAIN &&
+                view != CC_PANEL_LIST_SEARCH)
+              {
+                break;
+              }
+
             retval = !gtk_search_bar_get_search_mode (GTK_SEARCH_BAR (self->search_bar));
             gtk_search_bar_set_search_mode (GTK_SEARCH_BAR (self->search_bar), retval);
             if (retval)
@@ -1253,25 +737,13 @@ window_key_press_event (GtkWidget   *win,
             break;
           case GDK_KEY_Q:
           case GDK_KEY_q:
-            gtk_widget_destroy (GTK_WIDGET (self));
-            retval = GDK_EVENT_STOP;
-            break;
           case GDK_KEY_W:
           case GDK_KEY_w:
-            if (!overview)
-              shell_show_overview_page (self);
-            else
-              gtk_widget_destroy (GTK_WIDGET (self));
+            gtk_widget_destroy (GTK_WIDGET (self));
             retval = GDK_EVENT_STOP;
             break;
         }
     }
-  else if (state == GDK_MOD1_MASK && event->keyval == GDK_KEY_Up)
-    {
-      if (!overview)
-        shell_show_overview_page (self);
-      retval = GDK_EVENT_STOP;
-    }
   else if ((!is_rtl && state == GDK_MOD1_MASK && event->keyval == GDK_KEY_Left) ||
            (is_rtl && state == GDK_MOD1_MASK && event->keyval == GDK_KEY_Right) ||
            event->keyval == GDK_KEY_Back)
@@ -1279,295 +751,61 @@ window_key_press_event (GtkWidget   *win,
       previous_button_clicked_cb (NULL, self);
       retval = GDK_EVENT_STOP;
     }
-  return retval;
-}
-
-static gint
-get_monitor_height (CcWindow *self)
-{
-  GdkScreen *screen;
-  GdkRectangle rect;
-
-  if (self->monitor_num < 0)
-    return 0;
-
-  /* We cannot use workarea here, as this wouldn't
-   * be updated when we read it after a monitors-changed signal */
-  screen = gtk_widget_get_screen (GTK_WIDGET (self));
-  gdk_screen_get_monitor_geometry (screen, self->monitor_num, &rect);
-
-  return rect.height;
-}
-
-static gboolean
-update_monitor_number (CcWindow *self)
-{
-  gboolean changed = FALSE;
-  GtkWidget *widget;
-  GdkScreen *screen;
-  GdkWindow *window;
-  int monitor;
-
-  widget = GTK_WIDGET (self);
-
-  window = gtk_widget_get_window (widget);
-  screen = gtk_widget_get_screen (widget);
-  monitor = gdk_screen_get_monitor_at_window (screen, window);
-  if (self->monitor_num != monitor)
-    {
-      self->monitor_num = monitor;
-      changed = TRUE;
-    }
-
-  return changed;
-}
-
-static CcSmallScreen
-is_small (CcWindow *self)
-{
-  if (get_monitor_height (self) <= FIXED_HEIGHT)
-    return SMALL_SCREEN_TRUE;
-  return SMALL_SCREEN_FALSE;
-}
-
-static void
-update_small_screen_settings (CcWindow *self)
-{
-  CcSmallScreen small;
-
-  update_monitor_number (self);
-  small = is_small (self);
-
-  if (small == SMALL_SCREEN_TRUE)
-    {
-      gtk_window_set_resizable (GTK_WINDOW (self), TRUE);
-
-      if (self->small_screen != small)
-        gtk_window_maximize (GTK_WINDOW (self));
-    }
-  else
-    {
-      if (self->small_screen != small)
-        gtk_window_unmaximize (GTK_WINDOW (self));
-
-      gtk_window_set_resizable (GTK_WINDOW (self), FALSE);
-    }
-
-  self->small_screen = small;
-
-  /* And update the minimum sizes */
-  stack_page_notify_cb (GTK_STACK (self->stack), NULL, self);
-}
-
-static gboolean
-main_window_configure_cb (GtkWidget *widget,
-                          GdkEvent  *event,
-                          CcWindow  *self)
-{
-  update_small_screen_settings (self);
-  return FALSE;
-}
-
-static void
-application_set_cb (GObject    *object,
-                    GParamSpec *pspec,
-                    CcWindow   *self)
-{
-  /* update small screen settings now - to avoid visible resizing, we want
-   * to do it before showing the window, and GtkApplicationWindow cannot be
-   * realized unless its application property has been set */
-  if (gtk_window_get_application (GTK_WINDOW (self)))
-    {
-      gtk_widget_realize (GTK_WIDGET (self));
-      update_small_screen_settings (self);
-    }
-}
-
-static void
-monitors_changed_cb (GdkScreen *screen,
-                     CcWindow  *self)
-{
-  /* We reset small_screen_set to make sure that the
-   * window gets maximised if need be, in update_small_screen_settings() */
-  self->small_screen = SMALL_SCREEN_UNSET;
-  update_small_screen_settings (self);
-}
-
-static void
-gdk_window_set_cb (GObject    *object,
-                   GParamSpec *pspec,
-                   CcWindow   *self)
-{
-  GdkWindow *window;
-  gchar *str;
-
-  if (!GDK_IS_X11_DISPLAY (gdk_display_get_default ()))
-    return;
-
-  window = gtk_widget_get_window (GTK_WIDGET (self));
-
-  if (!window)
-    return;
-
-  str = g_strdup_printf ("%u", (guint) GDK_WINDOW_XID (window));
-  g_setenv ("GNOME_CONTROL_CENTER_XID", str, TRUE);
-  g_free (str);
-}
-
-static gboolean
-window_map_event_cb (GtkWidget *widget,
-                     GdkEvent  *event,
-                     CcWindow  *self)
-{
-  /* If focus ends up in a category icon view one of the items is
-   * immediately selected which looks odd when we are starting up, so
-   * we explicitly unset the focus here. */
-  gtk_window_set_focus (GTK_WINDOW (self), NULL);
-  return GDK_EVENT_PROPAGATE;
-}
-
-static void
-create_main_page (CcWindow *self)
-{
-  GtkStyleContext *context;
-
-  self->scrolled_window = gtk_scrolled_window_new (NULL, NULL);
-  context = gtk_widget_get_style_context (self->scrolled_window);
-  gtk_style_context_add_class (context, "view");
-  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (self->scrolled_window),
-                                  GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
-  gtk_stack_add_named (GTK_STACK (self->stack), self->scrolled_window, OVERVIEW_PAGE);
-
-  self->main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
-  gtk_widget_set_margin_top (self->main_vbox, 8);
-  gtk_widget_set_margin_bottom (self->main_vbox, 8);
-  gtk_widget_set_margin_start (self->main_vbox, 12);
-  gtk_widget_set_margin_end (self->main_vbox, 12);
-  gtk_container_set_focus_vadjustment (GTK_CONTAINER (self->main_vbox),
-                                       gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW 
(self->scrolled_window)));
-  gtk_container_add (GTK_CONTAINER (self->scrolled_window), self->main_vbox);
-
-  gtk_widget_set_size_request (self->scrolled_window, FIXED_WIDTH, -1);
-
-  /* load the available settings panels */
-  setup_model (self);
-}
-
-static void
-create_search_page (CcWindow *self)
-{
-  self->search_scrolled = gtk_scrolled_window_new (NULL, NULL);
-  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (self->search_scrolled),
-                                  GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
-  gtk_stack_add_named (GTK_STACK (self->stack), self->search_scrolled, SEARCH_PAGE);
 
-  /* setup search functionality */
-  setup_search (self);
+  return retval;
 }
 
 static void
-create_header (CcWindow *self)
+create_window (CcWindow *self)
 {
-  GtkWidget *image;
   AtkObject *accessible;
 
-  self->header = gtk_header_bar_new ();
-  gtk_header_bar_set_show_close_button (GTK_HEADER_BAR (self->header), TRUE);
-
-  self->header_sizegroup = gtk_size_group_new (GTK_SIZE_GROUP_VERTICAL);
-
   /* previous button */
-  self->previous_button = gtk_button_new_from_icon_name ("go-previous-symbolic", GTK_ICON_SIZE_MENU);
-  gtk_widget_set_valign (self->previous_button, GTK_ALIGN_CENTER);
-  gtk_widget_set_no_show_all (self->previous_button, TRUE);
   accessible = gtk_widget_get_accessible (self->previous_button);
   atk_object_set_name (accessible, _("All Settings"));
-  gtk_header_bar_pack_start (GTK_HEADER_BAR (self->header), self->previous_button);
-  g_signal_connect (self->previous_button, "clicked", G_CALLBACK (previous_button_clicked_cb), self);
-  gtk_size_group_add_widget (self->header_sizegroup, self->previous_button);
-
-  /* toggle search button */
-  self->search_button = gtk_toggle_button_new ();
-  image = gtk_image_new_from_icon_name ("edit-find-symbolic", GTK_ICON_SIZE_MENU);
-  gtk_button_set_image (GTK_BUTTON (self->search_button), image);
-  gtk_widget_set_valign (self->search_button, GTK_ALIGN_CENTER);
-  gtk_style_context_add_class (gtk_widget_get_style_context (self->search_button),
-                               "image-button");
-  gtk_header_bar_pack_end (GTK_HEADER_BAR (self->header), self->search_button);
-
-  self->top_right_box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
-  gtk_header_bar_pack_end (GTK_HEADER_BAR (self->header), self->top_right_box);
-
-  self->lock_button = gtk_lock_button_new (NULL);
-  gtk_style_context_add_class (gtk_widget_get_style_context (self->lock_button),
-                               "text-button");
-  gtk_widget_set_valign (self->lock_button, GTK_ALIGN_CENTER);
-  gtk_widget_set_no_show_all (self->lock_button, TRUE);
-  gtk_container_add (GTK_CONTAINER (self->top_right_box), self->lock_button);
-  gtk_size_group_add_widget (self->header_sizegroup, self->lock_button);
-}
 
-static void
-create_window (CcWindow *self)
-{
-  GtkWidget *box;
-  GdkScreen *screen;
+  gtk_window_set_titlebar (GTK_WINDOW (self), self->header_box);
+  gtk_widget_show_all (self->header_box);
 
-  box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
-  gtk_container_add (GTK_CONTAINER (self), box);
-
-  create_header (self);
-  gtk_window_set_titlebar (GTK_WINDOW (self), self->header);
-  gtk_header_bar_set_title (GTK_HEADER_BAR (self->header), _(DEFAULT_WINDOW_TITLE));
-  gtk_widget_show_all (self->header);
-
-  /* search bar */
-  self->search_bar = gtk_search_bar_new ();
-  self->search_entry = gtk_search_entry_new ();
-  gtk_entry_set_width_chars (GTK_ENTRY (self->search_entry), 30);
-  g_signal_connect (self->search_entry, "search-changed", G_CALLBACK (search_entry_changed_cb), self);
-  g_signal_connect (self->search_entry, "key-press-event", G_CALLBACK (search_entry_key_press_event_cb), 
self);
-  gtk_container_add (GTK_CONTAINER (self->search_bar), self->search_entry);
-  gtk_container_add (GTK_CONTAINER (box), self->search_bar);
-
-  g_object_bind_property (self->search_button, "active",
-                          self->search_bar, "search-mode-enabled",
+  /*
+   * We have to create the listbox here because declaring it in window.ui
+   * and letting GtkBuilder handle it would hit the bug where the focus is
+   * not tracked.
+   */
+  self->panel_list = cc_panel_list_new ();
+
+  g_signal_connect (self->panel_list, "show-panel", G_CALLBACK (show_panel_cb), self);
+  g_signal_connect (self->panel_list, "notify::view", G_CALLBACK (panel_list_view_changed_cb), self);
+
+  g_object_bind_property (self->search_bar,
+                          "search-mode-enabled",
+                          self->panel_list,
+                          "search-mode",
                           G_BINDING_BIDIRECTIONAL);
 
-  self->stack = gtk_stack_new ();
-  gtk_stack_set_homogeneous (GTK_STACK (self->stack), TRUE);
-  gtk_stack_set_transition_type (GTK_STACK (self->stack), GTK_STACK_TRANSITION_TYPE_CROSSFADE);
-  gtk_box_pack_start (GTK_BOX (box), self->stack, TRUE, TRUE, 0);
+  g_object_bind_property (self->search_entry,
+                          "text",
+                          self->panel_list,
+                          "search-query",
+                          G_BINDING_DEFAULT);
 
-  create_main_page (self);
-  create_search_page (self);
+  gtk_container_add (GTK_CONTAINER (self->list_scrolled), self->panel_list);
+  gtk_widget_show (self->panel_list);
 
-  /* connect various signals */
-  screen = gtk_widget_get_screen (GTK_WIDGET (self));
-  g_signal_connect (screen, "monitors-changed", G_CALLBACK (monitors_changed_cb), self);
+  setup_model (self);
 
-  g_signal_connect (self, "configure-event", G_CALLBACK (main_window_configure_cb), self);
-  g_signal_connect (self, "notify::application", G_CALLBACK (application_set_cb), self);
+  /* connect various signals */
   g_signal_connect_after (self, "key_press_event",
                           G_CALLBACK (window_key_press_event), self);
   gtk_widget_add_events (GTK_WIDGET (self), GDK_BUTTON_RELEASE_MASK);
   g_signal_connect (self, "button-release-event",
                     G_CALLBACK (window_button_release_event), self);
-  g_signal_connect (self, "map-event", G_CALLBACK (window_map_event_cb), self);
-
-  g_signal_connect (self, "notify::window", G_CALLBACK (gdk_window_set_cb), self);
-
-  g_signal_connect (self->stack, "notify::visible-child",
-                    G_CALLBACK (stack_page_notify_cb), self);
-
-  gtk_widget_show_all (box);
 }
 
 static void
 cc_window_init (CcWindow *self)
 {
-  self->monitor_num = -1;
-  self->small_screen = SMALL_SCREEN_UNSET;
+  gtk_widget_init_template (GTK_WIDGET (self));
 
   create_window (self);
 
@@ -1576,7 +814,8 @@ cc_window_init (CcWindow *self)
   /* keep a list of custom widgets to unload on panel change */
   self->custom_widgets = g_ptr_array_new_with_free_func ((GDestroyNotify) g_object_unref);
 
-  stack_page_notify_cb (GTK_STACK (self->stack), NULL, self);
+  /* After everything is loaded, select the first visible panel */
+  cc_panel_list_activate (CC_PANEL_LIST (self->panel_list));
 }
 
 CcWindow *


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