[gnome-text-editor] utils: track Pango 1.50 changes

[Christian Hergert <chergert src gnome org>]

commit 6fbcb563b7c3286f60cbb411d017293cd8411446
Author: Christian Hergert <chergert redhat com>
Date:   Fri Nov 12 14:28:43 2021 -0800

    utils: track Pango 1.50 changes

 src/editor-utils.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
---
diff --git a/src/editor-utils.c b/src/editor-utils.c
index cc9e96c..fa2c9a9 100644
--- a/src/editor-utils.c
+++ b/src/editor-utils.c
@@ -76,6 +76,28 @@ _editor_font_description_to_css (const PangoFontDescription *font_desc)
           ADD_KEYVAL (FONT_VARIANT, "small-caps");
           break;
 
+#if PANGO_VERSION_CHECK(1, 49, 3)
+        case PANGO_VARIANT_ALL_SMALL_CAPS:
+          ADD_KEYVAL (FONT_VARIANT, "all-small-caps");
+          break;
+
+        case PANGO_VARIANT_PETITE_CAPS:
+          ADD_KEYVAL (FONT_VARIANT, "petite-caps");
+          break;
+
+        case PANGO_VARIANT_ALL_PETITE_CAPS:
+          ADD_KEYVAL (FONT_VARIANT, "all-petite-caps");
+          break;
+
+        case PANGO_VARIANT_UNICASE:
+          ADD_KEYVAL (FONT_VARIANT, "unicase");
+          break;
+
+        case PANGO_VARIANT_TITLE_CAPS:
+          ADD_KEYVAL (FONT_VARIANT, "titling-caps");
+          break;
+#endif
+
         default:
           break;
         }