window: Stop using HdyLeaflet

It is safer to not make the shell adaptive until all panels are, so this
drops usage of HdyLeaflet to make the shell adaptive.

This mostly reverts commit 0ca61a5bde84eae4b874a231ecfb2c21ae98e124.

Fixes https://gitlab.gnome.org/GNOME/gnome-control-center/issues/375.

2 files changed, 5 insertions, 128 deletions

diff --git a/shell/cc-window.c b/shell/cc-window.c
index 17e55e899..b74b5959f 100644
--- a/shell/cc-window.c
+++ b/shell/cc-window.c
@@ -57,13 +57,11 @@ struct _CcWindow
   GtkWidget  *stack;
   GtkWidget  *header;
   GtkWidget  *header_box;
-  GtkWidget  *main_leaflet;
   GtkWidget  *list_scrolled;
   GtkWidget  *panel_headerbar;
   GtkWidget  *search_scrolled;
   GtkWidget  *panel_list;
   GtkWidget  *previous_button;
-  GtkWidget  *back_revealer;
   GtkWidget  *top_right_box;
   GtkWidget  *search_button;
   GtkWidget  *search_bar;
@@ -82,8 +80,6 @@ struct _CcWindow
 
   CcPanel *active_panel;
   GSettings *settings;
-
-  CcPanelListView previous_list_view;
 };
 
 static void     cc_shell_iface_init         (CcShellInterface      *iface);
@@ -124,13 +120,6 @@ remove_all_custom_widgets (CcWindow *self)
   CC_EXIT;
 }
 
-static void
-on_sidebar_activated_cb (CcPanel  *panel,
-                         CcWindow *self)
-{
-  hdy_leaflet_set_visible_child_name (HDY_LEAFLET (self->main_leaflet), "panel");
-}
-
 static gboolean
 activate_panel (CcWindow          *self,
                 const gchar       *id,
@@ -162,8 +151,6 @@ activate_panel (CcWindow          *self,
   /* Begin the profile */
   g_timer_start (timer);
 
-  if (self->current_panel)
-    g_signal_handlers_disconnect_by_data (self->current_panel, self);
   self->current_panel = GTK_WIDGET (cc_panel_loader_load_by_name (CC_SHELL (self), id, parameters));
   cc_shell_set_active_panel (CC_SHELL (self), CC_PANEL (self->current_panel));
   gtk_widget_show (self->current_panel);
@@ -183,10 +170,6 @@ activate_panel (CcWindow          *self,
 
   sidebar_widget = cc_panel_get_sidebar_widget (CC_PANEL (self->current_panel));
   cc_panel_list_add_sidebar_widget (CC_PANEL_LIST (self->panel_list), sidebar_widget);
-  /* Ensure we show the panel when when the leaflet is folded and a sidebar
-   * widget's row is activated.
-   */
-  g_signal_connect_object (self->current_panel, "sidebar-activated", G_CALLBACK (on_sidebar_activated_cb), self, 0);
 
   /* Finish profiling */
   g_timer_stop (timer);
@@ -387,7 +370,6 @@ set_active_panel_from_id (CcShell      *shell,
                           const gchar  *start_id,
                           GVariant     *parameters,
                           gboolean      add_to_history,
-                          gboolean      force_moving_to_the_panel,
                           GError      **error)
 {
   g_autoptr(GIcon) gicon = NULL;
@@ -396,22 +378,17 @@ set_active_panel_from_id (CcShell      *shell,
   GtkTreeIter iter;
   GtkWidget *old_panel;
   CcWindow *self;
-  CcPanelListView view;
   gboolean activated;
   gboolean found;
 
   CC_ENTRY;
 
   self = CC_WINDOW (shell);
-  view = cc_panel_list_get_view (CC_PANEL_LIST (self->panel_list));
 
   /* When loading the same panel again, just set its parameters */
   if (g_strcmp0 (self->current_panel_id, start_id) == 0)
     {
       g_object_set (G_OBJECT (self->current_panel), "parameters", parameters, NULL);
-      if (force_moving_to_the_panel || self->previous_list_view == view)
-        hdy_leaflet_set_visible_child_name (HDY_LEAFLET (self->main_leaflet), "panel");
-      self->previous_list_view = view;
       CC_RETURN (TRUE);
     }
 
@@ -445,9 +422,6 @@ set_active_panel_from_id (CcShell      *shell,
   if (add_to_history)
     add_current_panel_to_history (shell, start_id);
 
-  if (force_moving_to_the_panel)
-    hdy_leaflet_set_visible_child_name (HDY_LEAFLET (self->main_leaflet), "panel");
-
   g_free (self->current_panel_id);
   self->current_panel_id = g_strdup (start_id);
 
@@ -497,40 +471,13 @@ switch_to_previous_panel (CcWindow *self)
 
   g_debug ("Going to previous panel (%s)", previous_panel_id);
 
-  set_active_panel_from_id (CC_SHELL (self), previous_panel_id, NULL, FALSE, FALSE, NULL);
+  set_active_panel_from_id (CC_SHELL (self), previous_panel_id, NULL, FALSE, NULL);
 
   CC_EXIT;
 }
 
 /* Callbacks */
 static void
-update_fold_state (CcWindow *shell)
-{
-  GtkWidget *header_child = hdy_leaflet_get_visible_child (HDY_LEAFLET (shell->header_box));
-  HdyFold fold = hdy_leaflet_get_fold (HDY_LEAFLET (shell->header_box));
-
-  hdy_header_group_set_focus (shell->header_group, fold == HDY_FOLD_FOLDED ? GTK_HEADER_BAR (header_child) : NULL);
-
-  gtk_revealer_set_reveal_child (GTK_REVEALER (shell->back_revealer), fold == HDY_FOLD_FOLDED);
-}
-
-static void
-notify_header_visible_child_cb (HdyLeaflet *leaflet,
-                                GParamSpec *pspec,
-                                CcWindow   *shell)
-{
-  update_fold_state (shell);
-}
-
-static void
-notify_fold_cb (HdyLeaflet *leaflet,
-                GParamSpec *pspec,
-                CcWindow   *shell)
-{
-  update_fold_state (shell);
-}
-
-static void
 show_panel_cb (CcPanelList *panel_list,
                const gchar *panel_id,
                CcWindow    *self)
@@ -538,7 +485,7 @@ show_panel_cb (CcPanelList *panel_list,
   if (!panel_id)
     return;
 
-  set_active_panel_from_id (CC_SHELL (self), panel_id, NULL, TRUE, FALSE, NULL);
+  set_active_panel_from_id (CC_SHELL (self), panel_id, NULL, TRUE, NULL);
 }
 
 static void
@@ -553,13 +500,6 @@ search_entry_activate_cb (GtkEntry *entry,
 }
 
 static void
-back_button_clicked_cb (GtkButton *button,
-                        CcWindow  *shell)
-{
-  hdy_leaflet_set_visible_child_name (HDY_LEAFLET (shell->main_leaflet), "sidebar");
-}
-
-static void
 previous_button_clicked_cb (GtkButton *button,
                             CcWindow  *shell)
 {
@@ -693,7 +633,7 @@ cc_window_set_active_panel_from_id (CcShell      *shell,
                                     GVariant     *parameters,
                                     GError      **error)
 {
-  return set_active_panel_from_id (shell, start_id, parameters, TRUE, TRUE, error);
+  return set_active_panel_from_id (shell, start_id, parameters, TRUE, error);
 }
 
 static void
@@ -872,14 +812,12 @@ cc_window_class_init (CcWindowClass *klass)
 
   gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/ControlCenter/gtk/cc-window.ui");
 
-  gtk_widget_class_bind_template_child (widget_class, CcWindow, back_revealer);
   gtk_widget_class_bind_template_child (widget_class, CcWindow, development_warning_dialog);
   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_group);
   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, main_leaflet);
   gtk_widget_class_bind_template_child (widget_class, CcWindow, panel_headerbar);
   gtk_widget_class_bind_template_child (widget_class, CcWindow, panel_list);
   gtk_widget_class_bind_template_child (widget_class, CcWindow, previous_button);
@@ -889,10 +827,7 @@ cc_window_class_init (CcWindowClass *klass)
   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, back_button_clicked_cb);
   gtk_widget_class_bind_template_callback (widget_class, gdk_window_set_cb);
-  gtk_widget_class_bind_template_callback (widget_class, notify_header_visible_child_cb);
-  gtk_widget_class_bind_template_callback (widget_class, notify_fold_cb);
   gtk_widget_class_bind_template_callback (widget_class, on_development_warning_dialog_responded_cb);
   gtk_widget_class_bind_template_callback (widget_class, previous_button_clicked_cb);
   gtk_widget_class_bind_template_callback (widget_class, search_entry_activate_cb);
@@ -914,13 +849,10 @@ cc_window_init (CcWindow *self)
   self->settings = g_settings_new ("org.gnome.ControlCenter");
   self->custom_widgets = g_ptr_array_new_with_free_func ((GDestroyNotify) g_object_unref);
   self->previous_panels = g_queue_new ();
-  self->previous_list_view = cc_panel_list_get_view (CC_PANEL_LIST (self->panel_list));
 
   /* Add a custom CSS class on development builds */
   if (in_flatpak_sandbox ())
     gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (self)), "devel");
-
-  update_fold_state (self);
 }
 
 CcWindow *
diff --git a/shell/cc-window.ui b/shell/cc-window.ui
index 3be08f0c1..62a539471 100644
--- a/shell/cc-window.ui
+++ b/shell/cc-window.ui
@@ -10,11 +10,9 @@
     <signal name="map-event" handler="window_map_event_cb" object="CcWindow" swapped="no" />
     <signal name="key-press-event" handler="window_key_press_event_cb" object="CcWindow" swapped="no" after="yes" />
     <child>
-      <object class="HdyLeaflet" id="main_leaflet">
+      <object class="GtkBox" id="main_hbox">
         <property name="visible">True</property>
         <property name="can_focus">False</property>
-        <property name="mode-transition-type">slide</property>
-        <property name="child-transition-type">slide</property>
         <child>
           <object class="GtkBox" id="sidebar_box">
             <property name="visible">True</property>
@@ -75,9 +73,6 @@
               </packing>
             </child>
           </object>
-          <packing>
-            <property name="name">sidebar</property>
-          </packing>
         </child>
         <child>
           <object class="GtkSeparator" id="panel_separator">
@@ -101,9 +96,6 @@
               <class name="background"/>
             </style>
           </object>
-          <packing>
-            <property name="name">panel</property>
-          </packing>
         </child>
       </object>
     </child>
@@ -112,17 +104,10 @@
         <property name="visible">True</property>
         <property name="can_focus">False</property>
         <child>
-          <object class="HdyLeaflet" id="header_box">
+          <object class="GtkBox" id="header_box">
             <property name="visible">True</property>
             <property name="can_focus">False</property>
             <property name="orientation">horizontal</property>
-            <property name="mode-transition-type" bind-source="main_leaflet" bind-property="mode-transition-type" bind-flags="bidirectional|sync-create"/>
-            <property name="mode-transition-duration" bind-source="main_leaflet" bind-property="mode-transition-duration" bind-flags="bidirectional|sync-create"/>
-            <property name="child-transition-type" bind-source="main_leaflet" bind-property="child-transition-type" bind-flags="bidirectional|sync-create"/>
-            <property name="child-transition-duration" bind-source="main_leaflet" bind-property="child-transition-duration" bind-flags="bidirectional|sync-create"/>
-            <property name="visible-child-name" bind-source="main_leaflet" bind-property="visible-child-name" bind-flags="bidirectional|sync-create"/>
-            <signal name="notify::visible-child" handler="notify_header_visible_child_cb" swapped="no"/>
-            <signal name="notify::fold" handler="notify_fold_cb" object="CcWindow" after="yes" swapped="no"/>
             <child>
               <object class="GtkHeaderBar" id="header">
                 <property name="visible">True</property>
@@ -200,9 +185,6 @@
                   </packing>
                 </child>
               </object>
-              <packing>
-                <property name="name">sidebar</property>
-              </packing>
             </child>
             <child>
               <object class="GtkSeparator" id="header_separator">
@@ -221,40 +203,6 @@
                 <property name="hexpand">True</property>
                 <property name="show_close_button">True</property>
                 <child>
-                  <object class="GtkRevealer" id="back_revealer">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="transition-type">crossfade</property>
-                    <property name="transition-duration" bind-source="main_leaflet" bind-property="mode-transition-duration" bind-flags="bidirectional|sync-create"/>
-                    <child>
-                      <object class="GtkButton" id="back">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="receives_default">False</property>
-                        <property name="valign">center</property>
-                        <property name="use-underline">True</property>
-                        <signal name="clicked" handler="back_button_clicked_cb" object="CcWindow" swapped="no" />
-                        <style>
-                          <class name="image-button"/>
-                        </style>
-                        <child internal-child="accessible">
-                          <object class="AtkObject" id="a11y-back">
-                            <property name="accessible-name" translatable="yes">Back</property>
-                          </object>
-                        </child>
-                        <child>
-                          <object class="GtkImage" id="back_image">
-                            <property name="visible">True</property>
-                            <property name="can_focus">False</property>
-                            <property name="icon_name">go-previous-symbolic</property>
-                            <property name="icon_size">1</property>
-                          </object>
-                        </child>
-                      </object>
-                    </child>
-                  </object>
-                </child>
-                <child>
                   <object class="GtkBox" id="top_right_box">
                     <property name="visible">True</property>
                     <property name="can_focus">True</property>
@@ -264,9 +212,6 @@
                   </packing>
                 </child>
               </object>
-              <packing>
-                <property name="name">panel</property>
-              </packing>
             </child>
           </object>
         </child>