From 6ed7e27bf270f9f7767b59ebaa9a7f37c5bb3bed Mon Sep 17 00:00:00 2001
From: Paul Cornett <paulcor@users.noreply.github.com>
Date: Sat, 6 Feb 2016 08:58:53 -0800
Subject: [PATCH] Fix GetBestSize() for GTK3 after size has been set

Need to reset size request to get actual best size.
See Fedora bug https://bugzilla.redhat.com/show_bug.cgi?id=1282142
---
 src/gtk/control.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gtk/control.cpp b/src/gtk/control.cpp
index 20488b8979..56b06eff43 100644
--- a/src/gtk/control.cpp
+++ b/src/gtk/control.cpp
@@ -319,7 +319,11 @@ wxSize wxControl::GTKGetPreferredSize(GtkWidget* widget) const
 {
     GtkRequisition req;
 #ifdef __WXGTK3__
+    int w, h;
+    gtk_widget_get_size_request(widget, &w, &h);
+    gtk_widget_set_size_request(widget, -1, -1);
     gtk_widget_get_preferred_size(widget, NULL, &req);
+    gtk_widget_set_size_request(widget, w, h);
 #else
     GTK_WIDGET_GET_CLASS(widget)->size_request(widget, &req);
 #endif