From c296d433f4cd49378a9c9c71b36fa6bf619bb504 Mon Sep 17 00:00:00 2001
From: Jinhao <cnjinhao@hotmail.com>
Date: Tue, 16 Aug 2016 07:19:09 +0800
Subject: [PATCH] fix issue that XCreatePixmap may fail if 0-size window

---
 source/gui/place.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/source/gui/place.cpp b/source/gui/place.cpp
index a10246f9..6e1e673a 100644
--- a/source/gui/place.cpp
+++ b/source/gui/place.cpp
@@ -15,6 +15,7 @@
 #include <cmath>
 #include <map>
 #include <deque>
+#include <algorithm>
 #include <nana/push_ignore_diagnostic>
 #include <nana/deploy.hpp>
 #include <nana/gui/place.hpp>
@@ -816,7 +817,7 @@ namespace nana
 				if ((!child->is_fixed()) && child->max_px.empty() && is_back(child) && (endpos != area.right()))
 					endpos = area.right();
 
-				child_area.w_ref() = static_cast<unsigned>(endpos - child_area.x());
+				child_area.w_ref() = static_cast<unsigned>((std::max)(endpos - child_area.x(), 0));
 
 				child->field_area = child_area.result();
 				position += child_px;