[gtk/ebassi/gidocgen] Add some more widgets to the gallery

[Matthias Clasen <matthiasc src gnome org>]

commit bce47cf30e3c7a81e805d97eefdfc11f073616d3
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Feb 26 23:12:21 2021 -0500

    Add some more widgets to the gallery
    
    We already have images for menus, menubars and emoji chooser.
    Use them.

 docs/reference/gtk/visual_index.md | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/docs/reference/gtk/visual_index.md b/docs/reference/gtk/visual_index.md
index 06727feb3c..4bba3baadf 100644
--- a/docs/reference/gtk/visual_index.md
+++ b/docs/reference/gtk/visual_index.md
@@ -17,7 +17,12 @@ Title: Widget Gallery
 [![glarea](glarea.png)](class.GLArea.html)
 [![drawingarea](drawingarea.png)](class.DrawingArea.html)
 [![video](video.png)](class.Video.html)
+[![mediacontrols](media-controls.png)](class.MediaControls.html)
+[![windowcontrols](windowcontrols.png)](class.WindowControls.html)
+[![menubar](menubar.png)](class.PopoverMenuBar.html)
 [![calendar](calendar.png)](class.Calendar.html)
+[![emojichooser](emojichooser.png)](class.EmojiChooser.html)
+[![menu](menu.png)](class.PopoverMenu.html)
 
 ## Buttons