[gnome-text-editor] page: fix DnD of text/uri-list

[Christian Hergert <chergert src gnome org>]

commit 5ce6f2ba0d9f4f346e09ddf80f5896948c741d6b
Author: Christian Hergert <chergert redhat com>
Date:   Tue Oct 26 15:35:57 2021 -0700

    page: fix DnD of text/uri-list
    
    We need the magic GSList from GDK_TYPE_FILE_LIST to get at more than a
    single GFile URI that was dropped.
    
    Fixes #198

 src/editor-page.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)
---
diff --git a/src/editor-page.c b/src/editor-page.c
index 69a3b59..ec58190 100644
--- a/src/editor-page.c
+++ b/src/editor-page.c
@@ -349,13 +349,18 @@ editor_page_drop_target_drop (EditorPage     *self,
   g_assert (EDITOR_IS_PAGE (self));
   g_assert (GTK_IS_DROP_TARGET (dest));
 
-  if (G_VALUE_HOLDS (value, G_TYPE_FILE))
+  if (G_VALUE_HOLDS (value, GDK_TYPE_FILE_LIST))
     {
-      GFile *file = g_value_get_object (value);
       EditorSession *session = editor_application_get_session (EDITOR_APPLICATION_DEFAULT);
       EditorWindow *window = EDITOR_WINDOW (gtk_widget_get_root (GTK_WIDGET (self)));
+      GSList *list = g_value_get_boxed (value);
 
-      editor_session_open (session, window, file, NULL);
+      for (const GSList *iter = list; iter; iter = iter->next)
+        {
+          GFile *file = iter->data;
+          g_assert (G_IS_FILE (file));
+          editor_session_open (session, window, file, NULL);
+        }
     }
 
   return FALSE;
@@ -642,7 +647,7 @@ editor_page_init (EditorPage *self)
 
   g_object_bind_property (self, "document", self->infobar, "document", 0);
 
-  dest = gtk_drop_target_new (G_TYPE_FILE, GDK_ACTION_COPY);
+  dest = gtk_drop_target_new (GDK_TYPE_FILE_LIST, GDK_ACTION_COPY);
   g_signal_connect_object (dest,
                            "drop",
                            G_CALLBACK (editor_page_drop_target_drop),