[gtk/columnview-menu: 23/24] Add a header menu to settings demo

[Matthias Clasen <matthiasc src gnome org>]

commit 08a1b9077ad16b3b75ba6e79b5050bc4a704b9c6
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun May 31 14:44:42 2020 -0400

    Add a header menu to settings demo
    
    Allow toggling column visibility from here.

 demos/gtk-demo/listview_settings.c  | 20 ++++++++++++++++++++
 demos/gtk-demo/listview_settings.ui | 20 ++++++++++++++++++--
 2 files changed, 38 insertions(+), 2 deletions(-)
---
diff --git a/demos/gtk-demo/listview_settings.c b/demos/gtk-demo/listview_settings.c
index deecdaeb57..9ee30ea3c4 100644
--- a/demos/gtk-demo/listview_settings.c
+++ b/demos/gtk-demo/listview_settings.c
@@ -300,7 +300,11 @@ do_listview_settings (GtkWidget *do_widget)
       GtkBuilderScope *scope;
       GtkBuilder *builder;
       GtkColumnViewColumn *name_column;
+      GtkColumnViewColumn *type_column;
+      GtkColumnViewColumn *default_column;
       GtkSorter *sorter;
+      GActionGroup *actions;
+      GAction *action;
 
       g_type_ensure (SETTINGS_TYPE_KEY);
 
@@ -320,6 +324,22 @@ do_listview_settings (GtkWidget *do_widget)
 
       listview = GTK_WIDGET (gtk_builder_get_object (builder, "listview"));
       columnview = GTK_WIDGET (gtk_builder_get_object (builder, "columnview"));
+      type_column = GTK_COLUMN_VIEW_COLUMN (gtk_builder_get_object (builder, "type_column"));
+      default_column = GTK_COLUMN_VIEW_COLUMN (gtk_builder_get_object (builder, "default_column"));
+
+      actions = G_ACTION_GROUP (g_simple_action_group_new ());
+
+      action = G_ACTION (g_property_action_new ("show-type", type_column, "visible"));
+      g_action_map_add_action (G_ACTION_MAP (actions), action);
+      g_object_unref (action);
+
+      action = G_ACTION (g_property_action_new ("show-default", default_column, "visible"));
+      g_action_map_add_action (G_ACTION_MAP (actions), action);
+      g_object_unref (action);
+
+      gtk_widget_insert_action_group (columnview, "columnview", actions);
+      g_object_unref (actions);
+
       model = create_settings_model (NULL, NULL);
       treemodel = gtk_tree_list_model_new (FALSE,
                                            model,
diff --git a/demos/gtk-demo/listview_settings.ui b/demos/gtk-demo/listview_settings.ui
index cc9f7f8a9c..96d2a22cfe 100644
--- a/demos/gtk-demo/listview_settings.ui
+++ b/demos/gtk-demo/listview_settings.ui
@@ -77,6 +77,7 @@
                     <child>
                       <object class="GtkColumnViewColumn" id="name_column">
                         <property name="title">Name</property>
+                        <property name="header-menu">header_menu</property>
                         <property name="factory">
                           <object class="GtkBuilderListItemFactory">
                             <property name="bytes"><![CDATA[
@@ -103,6 +104,7 @@
                     <child>
                       <object class="GtkColumnViewColumn">
                         <property name="title">Value</property>
+                        <property name="header-menu">header_menu</property>
                         <property name="factory">
                           <object class="GtkBuilderListItemFactory">
                             <property name="bytes"><![CDATA[
@@ -127,8 +129,9 @@
                       </object>
                     </child>
                     <child>
-                      <object class="GtkColumnViewColumn">
+                      <object class="GtkColumnViewColumn" id="type_column">
                         <property name="title">Type</property>
+                        <property name="header-menu">header_menu</property>
                         <property name="factory">
                           <object class="GtkBuilderListItemFactory">
                             <property name="bytes"><![CDATA[
@@ -153,8 +156,9 @@
                       </object>
                     </child>
                     <child>
-                      <object class="GtkColumnViewColumn">
+                      <object class="GtkColumnViewColumn" id="default_column">
                         <property name="title">Default</property>
+                        <property name="header-menu">header_menu</property>
                         <property name="factory">
                           <object class="GtkBuilderListItemFactory">
                             <property name="bytes"><![CDATA[
@@ -187,4 +191,16 @@
       </object>
     </child>
   </object>
+  <menu id="header_menu">
+    <section>
+      <item>
+        <attribute name="label" translatable="yes">Type</attribute>
+        <attribute name="action">columnview.show-type</attribute>
+      </item>
+      <item>
+        <attribute name="label" translatable="yes">Default value</attribute>
+        <attribute name="action">columnview.show-default</attribute>
+      </item>
+    </section>
+  </menu>
 </interface>