[gnome-text-editor] document: add document actions to source view

[Christian Hergert <chergert src gnome org>]

commit d8aa44e5ab84f7b903eedddd540d317c0957817a
Author: Christian Hergert <chergert redhat com>
Date:   Thu Jul 1 14:55:31 2021 -0700

    document: add document actions to source view
    
    This allows us to activate them from the menus we attach to the source
    view such as spelling language.

 src/editor-document-private.h |  2 ++
 src/editor-document.c         | 17 +++++++++++++++++
 src/editor-source-view.c      | 21 +++++++++++++++++++++
 3 files changed, 40 insertions(+)
---
diff --git a/src/editor-document-private.h b/src/editor-document-private.h
index 3df284f..73fac11 100644
--- a/src/editor-document-private.h
+++ b/src/editor-document-private.h
@@ -74,5 +74,7 @@ void                     _editor_document_guess_language_async    (EditorDocumen
 gboolean                 _editor_document_guess_language_finish   (EditorDocument           *self,
                                                                    GAsyncResult             *result,
                                                                    GError                  **error);
+void                     _editor_document_attach_actions          (EditorDocument           *self,
+                                                                   GtkWidget                *widget);
 
 G_END_DECLS
diff --git a/src/editor-document.c b/src/editor-document.c
index d825255..40f6a85 100644
--- a/src/editor-document.c
+++ b/src/editor-document.c
@@ -1782,3 +1782,20 @@ editor_document_set_spell_checker (EditorDocument     *self,
       g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_SPELL_CHECKER]);
     }
 }
+
+void
+_editor_document_attach_actions (EditorDocument *self,
+                                 GtkWidget      *widget)
+{
+  g_autoptr(GPropertyAction) language = NULL;
+  g_autoptr(GSimpleActionGroup) group = NULL;
+
+  g_return_if_fail (EDITOR_IS_DOCUMENT (self));
+  g_return_if_fail (GTK_IS_WIDGET (widget));
+
+  group = g_simple_action_group_new ();
+  language = g_property_action_new ("language", self->spell_adapter, "language");
+  g_action_map_add_action (G_ACTION_MAP (group), G_ACTION (language));
+
+  gtk_widget_insert_action_group (widget, "spelling", G_ACTION_GROUP (group));
+}
diff --git a/src/editor-source-view.c b/src/editor-source-view.c
index 8687ac2..c7e83de 100644
--- a/src/editor-source-view.c
+++ b/src/editor-source-view.c
@@ -20,6 +20,7 @@
 
 #include "config.h"
 
+#include "editor-document-private.h"
 #include "editor-source-view.h"
 #include "editor-joined-menu-private.h"
 #include "editor-spell-menu.h"
@@ -97,6 +98,21 @@ tweak_gutter_spacing (GtkSourceView *view)
     }
 }
 
+static void
+on_notify_buffer_cb (EditorSourceView *self,
+                     GParamSpec       *pspec,
+                     gpointer          unused)
+{
+  GtkTextBuffer *buffer;
+
+  g_assert (EDITOR_IS_SOURCE_VIEW (self));
+
+  buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (self));
+
+  if (EDITOR_IS_DOCUMENT (buffer))
+    _editor_document_attach_actions (EDITOR_DOCUMENT (buffer), GTK_WIDGET (self));
+}
+
 static void
 editor_source_view_class_init (EditorSourceViewClass *klass)
 {
@@ -110,6 +126,11 @@ editor_source_view_init (EditorSourceView *self)
   GtkEventController *controller;
   GMenuModel *extra_menu;
 
+  g_signal_connect (self,
+                    "notify::buffer",
+                    G_CALLBACK (on_notify_buffer_cb),
+                    NULL);
+
   controller = gtk_event_controller_key_new ();
   g_signal_connect (controller,
                     "key-pressed",