[gtk+] window: Make sure we query the window size before size-allocate'ing

[Timm Bäder <baedert src gnome org>]

commit 04c550bfb5b23a8aa7c56749ad5734a79bb24bfd
Author: Timm Bäder <mail baedert org>
Date:   Fri Oct 20 10:58:31 2017 +0200

    window: Make sure we query the window size before size-allocate'ing

 gtk/gtkwindow.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index 64d9304..c5d9c17 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -8926,6 +8926,7 @@ gtk_window_move_resize (GtkWindow *window)
   else
     {
       GtkAllocation allocation, clip;
+      GtkRequisition minsize;
 
       /* Handle any position changes.
        */
@@ -8935,13 +8936,15 @@ gtk_window_move_resize (GtkWindow *window)
                            new_request.x, new_request.y);
         }
 
+      gtk_widget_get_preferred_size (widget, &minsize, NULL);
+
       /* Our configure request didn't change size, but maybe some of
        * our child widgets have. Run a size allocate with our current
        * size to make sure that we re-layout our child widgets. */
       allocation.x = 0;
       allocation.y = 0;
-      allocation.width = current_width;
-      allocation.height = current_height;
+      allocation.width = MAX (current_width, minsize.width);
+      allocation.height = MAX (current_height, minsize.height);
 
       gtk_widget_size_allocate (widget, &allocation, -1, &clip);
     }