[gimp] libgimpwidgets: more docs and annotations

[Michael Natterer <mitch src gnome org>]

commit ebddecd696f62af9e798af53a891788d61c9bac6
Author: Michael Natterer <mitch gimp org>
Date:   Fri Aug 9 12:59:41 2019 +0200

    libgimpwidgets: more docs and annotations

 libgimpwidgets/gimppreview.c   | 10 ++++++++++
 libgimpwidgets/gimpsizeentry.c |  6 ++++++
 2 files changed, 16 insertions(+)
---
diff --git a/libgimpwidgets/gimppreview.c b/libgimpwidgets/gimppreview.c
index 00a1b4a8c6..2403c5adc8 100644
--- a/libgimpwidgets/gimppreview.c
+++ b/libgimpwidgets/gimppreview.c
@@ -941,6 +941,16 @@ gimp_preview_set_default_cursor (GimpPreview *preview,
   g_set_object (&priv->default_cursor, cursor);
 }
 
+/**
+ * gimp_preview_get_default_cursor:
+ * @preview: a #GimpPreview widget
+ *
+ * See gimp_preview_set_default_cursor():
+ *
+ * Returns: (transfer none): The @preview's default #GdkCursor.
+ *
+ * Since: 3.0
+ **/
 GdkCursor *
 gimp_preview_get_default_cursor (GimpPreview *preview)
 {
diff --git a/libgimpwidgets/gimpsizeentry.c b/libgimpwidgets/gimpsizeentry.c
index afb4668ba9..0edeb392b2 100644
--- a/libgimpwidgets/gimpsizeentry.c
+++ b/libgimpwidgets/gimpsizeentry.c
@@ -541,6 +541,12 @@ gimp_size_entry_get_n_fields (GimpSizeEntry *gse)
   return GET_PRIVATE (gse)->number_of_fields;
 }
 
+/**
+ * gimp_size_entry_get_unit_combo:
+ * @gse: a #GimpSizeEntry.
+ *
+ * Returns: (transfer none): the size entry's #GimpUnitComboBox.
+ **/
 GtkWidget *
 gimp_size_entry_get_unit_combo (GimpSizeEntry *gse)
 {