From 2436cac7772915acbf15c28f3a7f87857bf9f892 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sun, 13 Feb 2005 13:07:20 +0000
Subject: [PATCH] fixes for wxDP_ALLOWNONE handling

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31988 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/generic/datectlg.cpp | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/src/generic/datectlg.cpp b/src/generic/datectlg.cpp
index bbd2f8f0d1..3ccd9d0553 100644
--- a/src/generic/datectlg.cpp
+++ b/src/generic/datectlg.cpp
@@ -582,19 +582,17 @@ void wxDatePickerCtrlGeneric::OnKillFocus(wxFocusEvent &ev)
 
     wxDateTime dt;
     dt.ParseFormat(m_txt->GetValue(), m_format);
-    if (!dt.IsValid())
+    if ( !dt.IsValid() )
     {
         if ( !HasFlag(wxDP_ALLOWNONE) )
             dt = m_currentDate;
     }
 
-    if (!dt.IsValid())
-        m_txt->SetValue(wxEmptyString);
-    else
-        m_txt->SetValue(dt.Format(m_format));
+    m_txt->SetValue(dt.IsValid()? dt.Format(m_format) : wxString());
 
     // notify that we had to change the date after validation
-    if (m_currentDate != dt)
+    if ( (dt.IsValid() && m_currentDate != dt) ||
+            (!dt.IsValid() && m_currentDate.IsValid()) )
     {
         m_currentDate = dt;
         wxDateEvent event(this, dt, wxEVT_DATE_CHANGED);