Move menus to ag-header-bar.ui and into menu-model

For some reason it stopped working with 3.16 (I’m not sure if it was OK
in 3.14, though).

src/ag-window.c

@@ -99,38 +99,6 @@ static GParamSpec *properties[PROP_COUNT];
 
 #define GET_PRIV(o) AgWindowPrivate *priv = ag_window_get_instance_private((o))
 
-static void
-ag_window_gear_menu_action(GSimpleAction *action,
-                           GVariant      *parameter,
-                           gpointer      user_data)
-{
-    GVariant *state;
-
-    state = g_action_get_state(G_ACTION(action));
-    g_action_change_state(
-            G_ACTION(action),
-            g_variant_new_boolean(!g_variant_get_boolean(state))
-        );
-
-    g_variant_unref(state);
-}
-
-static void
-ag_window_view_menu_action(GSimpleAction *action,
-                           GVariant      *parameter,
-                           gpointer      user_data)
-{
-    GVariant *state;
-
-    state = g_action_get_state(G_ACTION(action));
-    g_action_change_state(
-            G_ACTION(action),
-            g_variant_new_boolean(!g_variant_get_boolean(state))
-        );
-
-    g_variant_unref(state);
-}
-
 const gchar *
 ag_window_planet_character(GswePlanet planet)
 {
@@ -1670,8 +1638,6 @@ static GActionEntry win_entries[] = {
     { "save",         ag_window_save_action,           NULL, NULL,        NULL },
     { "export-agc",   ag_window_export_agc_action,     NULL, NULL,        NULL },
     { "export-image", ag_window_export_image_action,   NULL, NULL,        NULL },
-    { "view-menu",    ag_window_view_menu_action,      NULL, "false",     NULL },
-    { "gear-menu",    ag_window_gear_menu_action,      NULL, "false",     NULL },
     { "change-tab",   ag_window_change_tab_action,     "s",  "'edit'",    NULL },
     { "new-chart",    ag_window_new_chart_action,      NULL, NULL,        NULL },
     { "back",         ag_window_back_action,           NULL, NULL,        NULL },

src/resources/ui/ag-header-bar.ui

@@ -1,6 +1,61 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
   <requires lib="gtk+" version="3.0"/>
+  <menu id="menu_gear_menu">
+    <section>
+      <item>
+        <attribute name="label" translatable="yes">Save</attribute>
+        <attribute name="action">win.save</attribute>
+        <attribute name="accel">&lt;Primary&gt;s</attribute>
+      </item>
+      <item>
+        <attribute name="label" translatable="yes">Export…</attribute>
+        <attribute name="action">win.export-agc</attribute>
+        <attribute name="accel">&lt;Primary&gt;&lt;Shift&gt;e</attribute>
+      </item>
+    </section>
+    <section>
+      <item>
+        <attribute name="label" translatable="yes">Export as image…</attribute>
+        <attribute name="action">win.export-image</attribute>
+      </item>
+    </section>
+    <section>
+      <item>
+        <attribute name="label" translatable="yes">Close</attribute>
+        <attribute name="action">win.close</attribute>
+        <attribute name="accel">&lt;Primary&gt;w</attribute>
+      </item>
+    </section>
+  </menu>
+  <menu id="menu_view_menu">
+      <section>
+        <item>
+          <attribute name="label" translatable="yes">Edit</attribute>
+          <attribute name="action">win.change-tab</attribute>
+          <attribute name="accel">&lt;F4&gt;</attribute>
+          <attribute name="target">edit</attribute>
+        </item>
+        <item>
+          <attribute name="label" translatable="yes">Chart</attribute>
+          <attribute name="action">win.change-tab</attribute>
+          <attribute name="accel">&lt;F5&gt;</attribute>
+          <attribute name="target">chart</attribute>
+        </item>
+        <item>
+          <attribute name="label" translatable="yes">Aspects</attribute>
+          <attribute name="action">win.change-tab</attribute>
+          <attribute name="accel">&lt;F6&gt;</attribute>
+          <attribute name="target">aspects</attribute>
+        </item>
+        <item>
+          <attribute name="label" translatable="yes">Points</attribute>
+          <attribute name="action">win.change-tab</attribute>
+          <attribute name="accel">&lt;F7&gt;</attribute>
+          <attribute name="target">points</attribute>
+        </item>
+    </section>
+  </menu>
   <template class="AgHeaderBar" parent="GtkHeaderBar">
     <property name="visible">True</property>
     <property name="show_close_button">True</property>
@@ -111,7 +166,7 @@
             <property name="visible">True</property>
             <child>
               <object class="GtkMenuButton" id="view_menu">
-                <property name="action_name">win.view-menu</property>
+                <property name="menu-model">menu_view_menu</property>
                 <style>
                   <class name="image-button"/>
                 </style>
@@ -126,7 +181,7 @@
             <child>
               <object class="GtkMenuButton" id="gear_menu">
                 <property name="visible">True</property>
-                <property name="action_name">win.gear-menu</property>
+                <property name="menu-model">menu_gear_menu</property>
                 <style>
                   <class name="image-button"/>
                 </style>

src/resources/ui/ag-window.ui

@@ -2,61 +2,6 @@
 <!-- Generated with glade 3.18.3 -->
 <interface>
   <requires lib="gtk+" version="3.12"/>
-  <menu id="view_menu">
-      <section>
-        <item>
-          <attribute name="label" translatable="yes">Edit</attribute>
-          <attribute name="action">win.change-tab</attribute>
-          <attribute name="accel">&lt;F4&gt;</attribute>
-          <attribute name="target">edit</attribute>
-        </item>
-        <item>
-          <attribute name="label" translatable="yes">Chart</attribute>
-          <attribute name="action">win.change-tab</attribute>
-          <attribute name="accel">&lt;F5&gt;</attribute>
-          <attribute name="target">chart</attribute>
-        </item>
-        <item>
-          <attribute name="label" translatable="yes">Aspects</attribute>
-          <attribute name="action">win.change-tab</attribute>
-          <attribute name="accel">&lt;F6&gt;</attribute>
-          <attribute name="target">aspects</attribute>
-        </item>
-        <item>
-          <attribute name="label" translatable="yes">Points</attribute>
-          <attribute name="action">win.change-tab</attribute>
-          <attribute name="accel">&lt;F7&gt;</attribute>
-          <attribute name="target">points</attribute>
-        </item>
-    </section>
-  </menu>
-  <menu id="gear_menu">
-    <section>
-      <item>
-        <attribute name="label" translatable="yes">Save</attribute>
-        <attribute name="action">win.save</attribute>
-        <attribute name="accel">&lt;Primary&gt;s</attribute>
-      </item>
-      <item>
-        <attribute name="label" translatable="yes">Export…</attribute>
-        <attribute name="action">win.export-agc</attribute>
-        <attribute name="accel">&lt;Primary&gt;&lt;Shift&gt;e</attribute>
-      </item>
-    </section>
-    <section>
-      <item>
-        <attribute name="label" translatable="yes">Export as image…</attribute>
-        <attribute name="action">win.export-image</attribute>
-      </item>
-    </section>
-    <section>
-      <item>
-        <attribute name="label" translatable="yes">Close</attribute>
-        <attribute name="action">win.close</attribute>
-        <attribute name="accel">&lt;Primary&gt;w</attribute>
-      </item>
-    </section>
-  </menu>
   <object class="GtkListStore" id="house_system_model">
     <columns>
       <!-- column-name house-system-id -->