[nautilus/wip/coreyberla/app-picker-followups: 5/5] app-chooser: Add a description above the list

[Corey Berla <coreyberla src gnome org>]

commit ba60472e212df3ddf7206bce3402e6d25acc0659
Author: Corey Berla <corey berla me>
Date:   Fri Aug 5 13:16:49 2022 -0700

    app-chooser: Add a description above the list

 src/nautilus-app-chooser.c               | 10 ++++++++++
 src/resources/ui/nautilus-app-chooser.ui |  9 +++++++++
 2 files changed, 19 insertions(+)
---
diff --git a/src/nautilus-app-chooser.c b/src/nautilus-app-chooser.c
index 267cf06d6..21b496e38 100644
--- a/src/nautilus-app-chooser.c
+++ b/src/nautilus-app-chooser.c
@@ -21,6 +21,7 @@ struct _NautilusAppChooser
     gboolean single_content_type;
 
     GtkWidget *app_chooser_widget_box;
+    GtkWidget *label_description;
     GtkWidget *label_content_type_description;
     GtkWidget *set_as_default_switch;
     GtkWidget *set_default_box;
@@ -148,6 +149,7 @@ nautilus_app_chooser_constructed (GObject *object)
     NautilusAppChooser *self = NAUTILUS_APP_CHOOSER (object);
     g_autoptr (GAppInfo) info = NULL;
     g_autofree gchar *content_type_description = NULL;
+    g_autofree gchar *description = NULL;
     gchar *title;
 
     G_OBJECT_CLASS (nautilus_app_chooser_parent_class)->constructed (object);
@@ -177,6 +179,13 @@ nautilus_app_chooser_constructed (GObject *object)
                       G_CALLBACK (on_application_selected),
                       self);
 
+    if (self->file_name != NULL)
+    {
+        /* Translators: %s is the filename.  i.e. "Choose an application to open test.jpg" */
+        description = g_strdup_printf (_("Choose an application to open <b>%s</b>."), self->file_name);
+        gtk_label_set_markup (GTK_LABEL (self->label_description), description);
+    }
+
     if (!self->single_content_type)
     {
         title = _("Open Items");
@@ -229,6 +238,7 @@ nautilus_app_chooser_class_init (NautilusAppChooserClass *klass)
 
     gtk_widget_class_bind_template_child (widget_class, NautilusAppChooser, app_chooser_widget_box);
     gtk_widget_class_bind_template_child (widget_class, NautilusAppChooser, set_as_default_switch);
+    gtk_widget_class_bind_template_child (widget_class, NautilusAppChooser, label_description);
     gtk_widget_class_bind_template_child (widget_class, NautilusAppChooser, label_content_type_description);
     gtk_widget_class_bind_template_child (widget_class, NautilusAppChooser, set_default_box);
 
diff --git a/src/resources/ui/nautilus-app-chooser.ui b/src/resources/ui/nautilus-app-chooser.ui
index 7b8035126..94d6a1e17 100644
--- a/src/resources/ui/nautilus-app-chooser.ui
+++ b/src/resources/ui/nautilus-app-chooser.ui
@@ -11,6 +11,15 @@
     <child internal-child="content_area">
       <object class="GtkBox" id="content_area">
         <property name="orientation">vertical</property>
+        <child>
+          <object class="GtkLabel" id="label_description">
+            <property name="margin-top">18</property>
+            <property name="wrap">True</property>
+            <property name="wrap-mode">PANGO_WRAP_WORD_CHAR</property>
+            <property name="halign">center</property>
+            <property name="label" translatable="yes">Choose an application to open the selected 
files.</property>
+          </object>
+        </child>
         <child>
           <object class="GtkStack">
             <property name="hexpand">True</property>