From 18ba83a5d4afc84d91de19175ac46a8e91ff48b0 Mon Sep 17 00:00:00 2001
From: stv <stv@opencascade.com>
Date: Fri, 20 Jan 2006 13:09:10 +0000
Subject: [PATCH] no message

---
 src/QDS/QDS_CheckBox.cxx | 16 +++++++++++-----
 src/QDS/QDS_CheckBox.h   |  2 ++
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/src/QDS/QDS_CheckBox.cxx b/src/QDS/QDS_CheckBox.cxx
index f6a8bd450..ded537716 100644
--- a/src/QDS/QDS_CheckBox.cxx
+++ b/src/QDS/QDS_CheckBox.cxx
@@ -18,6 +18,14 @@ QDS_CheckBox::~QDS_CheckBox()
 {
 }
 
+/*!
+  Sets the state "NoChange" for checkbox.
+*/
+void QDS_CheckBox::clear()
+{
+  setStringValue( "-1" );
+}
+
 /*!
   Returns string from QCheckBox widget.
 */
@@ -37,17 +45,15 @@ void QDS_CheckBox::setString( const QString& txt )
   if ( !checkBox() )
     return;
 
-  if ( txt.isEmpty() )
+  bool isOk;
+  int val = (int)txt.toDouble( &isOk );
+  if ( isOk && val < 0 )
   {
     checkBox()->setTristate();
     checkBox()->setNoChange();
   }
   else
-  {
-    bool isOk;
-    int val = (int)txt.toDouble( &isOk );
     checkBox()->setChecked( isOk && val != 0 );
-  }
 }
 
 /*!
diff --git a/src/QDS/QDS_CheckBox.h b/src/QDS/QDS_CheckBox.h
index e6d7c541d..8b1344b93 100644
--- a/src/QDS/QDS_CheckBox.h
+++ b/src/QDS/QDS_CheckBox.h
@@ -16,6 +16,8 @@ public:
   bool                 isChecked() const;
   void                 setChecked( const bool );
 
+  virtual void         clear();
+
 signals:
   void                 toggled( bool );
 
-- 
2.39.2