From d3af55709914b29b681993d795b8c67e5b6c6b54 Mon Sep 17 00:00:00 2001
From: Nikos Chantziaras <realnc@gmail.com>
Date: Thu, 16 Aug 2012 01:05:33 +0300
Subject: [PATCH] Ignore HFrame resize events with an invalid size

No idea why that happens sometimes, but it does (we get negative values for
width or height.)
---
 src/hframe.cc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/hframe.cc b/src/hframe.cc
index 67966be..c498f3b 100644
--- a/src/hframe.cc
+++ b/src/hframe.cc
@@ -157,6 +157,13 @@ HFrame::paintEvent( QPaintEvent* )
 void
 HFrame::resizeEvent( QResizeEvent* e )
 {
+    // Ignore invalid resizes.  No idea why that happens sometimes, but it
+    // does (we get negative values for width or height.)
+    if (not e->size().isValid()) {
+        e->ignore();
+        return;
+    }
+
     // Save a copy of the current pixmap.
     const QPixmap& tmp = this->fPixmap.copy();