From 79b850659c8a2d2dca03efb92997ae726eb096d2 Mon Sep 17 00:00:00 2001
From: Moritz Bunkus <moritz@bunkus.org>
Date: Sun, 8 Dec 2013 19:49:30 +0100
Subject: [PATCH] wx debugging: ostream<< for wxTreeItemId

---
 src/common/wx.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/common/wx.h b/src/common/wx.h
index 60823b223..a7bc0d887 100644
--- a/src/common/wx.h
+++ b/src/common/wx.h
@@ -27,6 +27,7 @@
 #include <wx/bitmap.h>
 #include <wx/icon.h>
 #include <wx/mstream.h>
+#include <wx/treebase.h>
 
 #include "common/logger.h"
 
@@ -103,6 +104,17 @@ operator <<(std::ostream &out,
 # endif
 #endif
 
+inline std::ostream &
+operator <<(std::ostream &out,
+            wxTreeItemId const &id) {
+#if wxCHECK_VERSION(2, 9, 0)
+  out << "ItemID[" << id.IsOk() << "@" << id.GetID() << "]";
+#else
+  out << "ItemID[" << id.IsOk() << "@" << id.m_pItem << "]";
+#endif
+  return out;
+}
+
 // Use wxComboBox on non-Windows builds with wxWidgets 2.8.0 and newer
 // because GTK's combo box has serious problems (see bug 339).
 // wxWidgets 2.9.x's default wxComboBox is good, though.