[gnome-text-editor] sourceview: add helper to prepend menu

[Christian Hergert <chergert src gnome org>]

commit 30db25184c3aeed9dd11933248aeae3bbab89898
Author: Christian Hergert <chergert redhat com>
Date:   Mon Feb 21 17:16:36 2022 -0800

    sourceview: add helper to prepend menu
    
    This can be used to inject more menus later on.

 src/editor-source-view.c | 14 ++++++++++++++
 src/editor-source-view.h | 10 ++++++----
 2 files changed, 20 insertions(+), 4 deletions(-)
---
diff --git a/src/editor-source-view.c b/src/editor-source-view.c
index d421be4..28610f4 100644
--- a/src/editor-source-view.c
+++ b/src/editor-source-view.c
@@ -959,3 +959,17 @@ editor_source_view_get_zoom_level (EditorSourceView *self)
 
   return (double)alt_size / (double)size;
 }
+
+void
+editor_source_view_prepend_extra_menu (EditorSourceView *self,
+                                       GMenuModel       *extra_menu)
+{
+  GMenuModel *base;
+
+  g_return_if_fail (EDITOR_IS_SOURCE_VIEW (self));
+  g_return_if_fail (G_IS_MENU_MODEL (extra_menu));
+
+  base = gtk_text_view_get_extra_menu (GTK_TEXT_VIEW (self));
+
+  editor_joined_menu_prepend_menu (EDITOR_JOINED_MENU (base), extra_menu);
+}
diff --git a/src/editor-source-view.h b/src/editor-source-view.h
index fd30ef0..c2c4688 100644
--- a/src/editor-source-view.h
+++ b/src/editor-source-view.h
@@ -28,9 +28,11 @@ G_BEGIN_DECLS
 
 G_DECLARE_FINAL_TYPE (EditorSourceView, editor_source_view, EDITOR, SOURCE_VIEW, GtkSourceView)
 
-const PangoFontDescription *editor_source_view_get_font_desc  (EditorSourceView           *self);
-void                        editor_source_view_set_font_desc  (EditorSourceView           *self,
-                                                               const PangoFontDescription *font_desc);
-double                      editor_source_view_get_zoom_level (EditorSourceView           *self);
+const PangoFontDescription *editor_source_view_get_font_desc      (EditorSourceView           *self);
+void                        editor_source_view_set_font_desc      (EditorSourceView           *self,
+                                                                   const PangoFontDescription *font_desc);
+double                      editor_source_view_get_zoom_level     (EditorSourceView           *self);
+void                        editor_source_view_prepend_extra_menu (EditorSourceView           *self,
+                                                                   GMenuModel                 *extra_menu);
 
 G_END_DECLS