[gnome-text-editor] languagedialog: allow hiding with escape

[Christian Hergert <chergert src gnome org>]

commit 5ffa9d3455fb8f3f35180afcce66a4643ad3a6d0
Author: Christian Hergert <chergert redhat com>
Date:   Wed Jun 30 14:43:26 2021 -0700

    languagedialog: allow hiding with escape

 src/editor-language-dialog.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
---
diff --git a/src/editor-language-dialog.c b/src/editor-language-dialog.c
index a24b700..7928d72 100644
--- a/src/editor-language-dialog.c
+++ b/src/editor-language-dialog.c
@@ -166,6 +166,14 @@ editor_language_dialog_entry_activate_cb (EditorLanguageDialog *self,
     gtk_widget_activate (GTK_WIDGET (row));
 }
 
+static void
+win_close_cb (GtkWidget  *widget,
+              const char *action_name,
+              GVariant   *param)
+{
+  gtk_window_close (GTK_WINDOW (widget));
+}
+
 static void
 editor_language_dialog_entry_changed_cb (EditorLanguageDialog *self,
                                          GtkEntry             *entry)
@@ -274,6 +282,10 @@ editor_language_dialog_class_init (EditorLanguageDialogClass *klass)
   gtk_widget_class_set_template_from_resource (widget_class, 
"/org/gnome/TextEditor/ui/editor-language-dialog.ui");
   gtk_widget_class_bind_template_child (widget_class, EditorLanguageDialog, list_box);
   gtk_widget_class_bind_template_child (widget_class, EditorLanguageDialog, search_entry);
+
+  gtk_widget_class_install_action (widget_class, "win.close", NULL, win_close_cb);
+
+  gtk_widget_class_add_binding_action (widget_class, GDK_KEY_Escape, 0, "win.close", NULL);
 }
 
 static void