[gnome-control-center/gbsneto/panel-headerbar-cleanup: 14/14] window: Install action to navigate main leaflet

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 5dba261637d8dd31db4800dde3fe7e4bf87348b7
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Wed Jan 19 19:39:04 2022 -0300

    window: Install action to navigate main leaflet
    
    This allows implementing the back button of panel titlebars
    trivially, which is also done in this commit.

 panels/display/cc-display-panel.ui |  2 ++
 panels/network/cc-wifi-panel.ui    |  2 ++
 shell/cc-panel.ui                  |  2 ++
 shell/cc-window.c                  | 13 +++++++++++++
 4 files changed, 19 insertions(+)
---
diff --git a/panels/display/cc-display-panel.ui b/panels/display/cc-display-panel.ui
index 6ddc407e0..0d44917db 100644
--- a/panels/display/cc-display-panel.ui
+++ b/panels/display/cc-display-panel.ui
@@ -72,6 +72,8 @@
                           <object class="GtkButton">
                             <property name="visible" bind-source="CcDisplayPanel" bind-property="folded" 
bind-flags="default|sync-create" />
                             <property name="icon-name">go-previous-symbolic</property>
+                            <property name="action-name">window.navigate</property>
+                            <property name="action-target">0</property> <!-- 0: 
ADW_NAVIGATION_DIRECTION_BACK -->
                             <style>
                               <class name="flat" />
                             </style>
diff --git a/panels/network/cc-wifi-panel.ui b/panels/network/cc-wifi-panel.ui
index e1533ccd4..312a396fa 100644
--- a/panels/network/cc-wifi-panel.ui
+++ b/panels/network/cc-wifi-panel.ui
@@ -10,6 +10,8 @@
           <object class="GtkButton">
             <property name="visible" bind-source="CcWifiPanel" bind-property="folded" 
bind-flags="default|sync-create" />
             <property name="icon-name">go-previous-symbolic</property>
+            <property name="action-name">window.navigate</property>
+            <property name="action-target">0</property> <!-- 0: ADW_NAVIGATION_DIRECTION_BACK -->
             <style>
               <class name="flat" />
             </style>
diff --git a/shell/cc-panel.ui b/shell/cc-panel.ui
index 34d08f679..cf2932442 100644
--- a/shell/cc-panel.ui
+++ b/shell/cc-panel.ui
@@ -18,6 +18,8 @@
                   <object class="GtkButton">
                     <property name="visible" bind-source="CcPanel" bind-property="folded" 
bind-flags="default|sync-create" />
                     <property name="icon-name">go-previous-symbolic</property>
+                    <property name="action-name">window.navigate</property>
+                    <property name="action-target">0</property> <!-- 0: ADW_NAVIGATION_DIRECTION_BACK -->
                     <style>
                       <class name="flat" />
                     </style>
diff --git a/shell/cc-window.c b/shell/cc-window.c
index 589f5a45a..633139e5f 100644
--- a/shell/cc-window.c
+++ b/shell/cc-window.c
@@ -480,6 +480,17 @@ switch_to_previous_panel (CcWindow *self)
 }
 
 /* Callbacks */
+
+static void
+navigate_action_cb (GtkWidget   *widget,
+                    const gchar *action_name,
+                    GVariant    *parameter)
+{
+  CcWindow *self = CC_WINDOW (widget);
+
+  adw_leaflet_navigate (self->main_leaflet, g_variant_get_int32 (parameter));
+}
+
 static void
 on_main_leaflet_folded_changed_cb (CcWindow *self)
 {
@@ -811,6 +822,8 @@ cc_window_class_init (CcWindowClass *klass)
   gtk_widget_class_add_binding_action (widget_class, GDK_KEY_w, GDK_CONTROL_MASK, "window.close", NULL);
   gtk_widget_class_add_binding_action (widget_class, GDK_KEY_W, GDK_CONTROL_MASK, "window.close", NULL);
 
+  gtk_widget_class_install_action (widget_class, "window.navigate", "i", navigate_action_cb);
+
   g_type_ensure (CC_TYPE_PANEL_LIST);
 }