CategoryView: absorb headerbar

data/styles/CategoryView.scss

@@ -1,5 +1,5 @@
 category-view {
-    > scrolledwindow {
+    box > scrolledwindow {
         overshoot.top {
             background:
                 linear-gradient(
@@ -24,7 +24,7 @@ category-view {
         }
     }
 
-    clamp {
+    scrolledwindow clamp {
         padding: rem(12px);
 
         box.vertical {

src/Application.vala

@@ -21,15 +21,10 @@
 
 namespace Switchboard {
     public class SwitchboardApp : Gtk.Application {
-        private string all_settings_label = N_("All Settings");
-
         private GLib.HashTable <Gtk.Widget, Switchboard.Plug> plug_widgets;
-        private Gtk.Button navigation_button;
         private Adw.NavigationView navigation_view;
-        private Gtk.HeaderBar headerbar;
         private Gtk.Window main_window;
         private Switchboard.CategoryView category_view;
-        private Gtk.Label title_label;
 
         private static bool opened_directly = false;
         private static string? link = null;
@@ -134,22 +129,6 @@ namespace Switchboard {
 
             plug_widgets = new GLib.HashTable <Gtk.Widget, Switchboard.Plug> (null, null);
 
-            navigation_button = new Gtk.Button.with_label (_(all_settings_label));
-            navigation_button.action_name = "app.back";
-            navigation_button.set_tooltip_markup (
-                Granite.markup_accel_tooltip ({"<Alt>Left", "Back"})
-            );
-            navigation_button.get_style_context ().add_class ("back-button");
-
-            title_label = new Gtk.Label ("");
-            title_label.add_css_class (Granite.STYLE_CLASS_TITLE_LABEL);
-
-            headerbar = new Gtk.HeaderBar () {
-                show_title_buttons = true,
-                title_widget = title_label
-            };
-            headerbar.pack_start (navigation_button);
-
             category_view = new Switchboard.CategoryView (plug_to_open);
 
             navigation_view = new Adw.NavigationView ();
@@ -160,13 +139,11 @@ namespace Switchboard {
                 child = navigation_view,
                 icon_name = application_id,
                 title = _("System Settings"),
-                titlebar = headerbar
+                titlebar = new Gtk.Grid () { visible = false }
             };
             add_window (main_window);
             main_window.present ();
 
-            navigation_button.hide ();
-
             /*
             * This is very finicky. Bind size after present else set_titlebar gives us bad sizes
             * Set maximize after height/width else window is min size on unmaximize
@@ -182,8 +159,6 @@ namespace Switchboard {
 
             settings.bind ("window-maximized", main_window, "maximized", SettingsBindFlags.SET);
 
-            main_window.bind_property ("title", title_label, "label");
-
             shutdown.connect (() => {
                 navigation_view.visible_page.hidden ();
             });
@@ -193,14 +168,6 @@ namespace Switchboard {
         }
 
         private void update_navigation () {
-            if (navigation_view.visible_page is Switchboard.CategoryView) {
-                navigation_button.hide ();
-            } else {
-                var previous_page = navigation_view.get_previous_page (navigation_view.visible_page);
-                navigation_button.label = previous_page.title;
-                navigation_button.show ();
-            }
-
             main_window.title = navigation_view.visible_page.title;
         }
 

src/CategoryView.vala

@@ -35,6 +35,12 @@ public class Switchboard.CategoryView : Adw.NavigationPage {
             tightening_threshold = 800
         };
 
+        var headerbar = new Gtk.HeaderBar () {
+            show_title_buttons = true,
+            title_widget = search_clamp
+        };
+        headerbar.add_css_class (Granite.STYLE_CLASS_FLAT);
+
         var searchview = new SearchView (search_box);
 
         var alert_view = new Granite.Placeholder (_("No Settings Found")) {
@@ -78,7 +84,7 @@ public class Switchboard.CategoryView : Adw.NavigationPage {
         };
 
         var box = new Gtk.Box (VERTICAL, 0);
-        box.append (search_clamp);
+        box.append (headerbar);
         box.append (scrolled);
 
         child = box;