[gimp] Issue #2828: Scrolling up with a mouse within a drop-down list.

[Jehan <jehanp src gnome org>]

commit 68a33ab5bda1470453d5856afc5bc499631b6da7
Author: Jehan <jehan girinstud io>
Date:   Sun Jan 20 11:51:21 2019 +0100

    Issue #2828: Scrolling up with a mouse within a drop-down list.
    
    Just another instance of the GtkCombo issue, same as #2642.

 app/dialogs/image-new-dialog.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/app/dialogs/image-new-dialog.c b/app/dialogs/image-new-dialog.c
index b589dc7903..8b25a40889 100644
--- a/app/dialogs/image-new-dialog.c
+++ b/app/dialogs/image-new-dialog.c
@@ -147,6 +147,8 @@ image_new_dialog_new (GimpContext *context)
                                  "ellipsize",         PANGO_ELLIPSIZE_NONE,
                                  "focus-on-click",    FALSE,
                                  NULL);
+  /* See issues #2828 and #2642. */
+  gtk_combo_box_set_wrap_width (GTK_COMBO_BOX (private->combo), 1);
   gtk_box_pack_start (GTK_BOX (hbox), private->combo, TRUE, TRUE, 0);
   gtk_widget_show (private->combo);