Index: src/app/qgsuniquevaluedialog.h
===================================================================
--- src/app/qgsuniquevaluedialog.h	(revision: 11107)
+++ src/app/qgsuniquevaluedialog.h	(copia de trabajo)
@@ -46,6 +46,9 @@
     QMap<QString, QgsSymbol*> mValues;
     QgsSingleSymbolDialog sydialog;

+    // Reimplements dialog keyPress event so we can ignore it
+    void keyPressEvent( QKeyEvent * event );
+
   protected slots:
     /**Set new attribut for classification*/
     void changeClassificationAttribute();
Index: src/app/qgssinglesymboldialog.h
===================================================================
--- src/app/qgssinglesymboldialog.h	(revision: 11107)
+++ src/app/qgssinglesymboldialog.h	(copia de trabajo)
@@ -49,6 +49,9 @@
   protected:
     QgsVectorLayer* mVectorLayer;

+    // Reimplements dialog keyPress event so we can ignore it
+    void keyPressEvent( QKeyEvent * event );
+
   public slots:
     /* arrange the widgets on this dialog to reflect the current state of QgsSymbol */
     void unset();
Index: src/app/qgsgraduatedsymboldialog.h
===================================================================
--- src/app/qgsgraduatedsymboldialog.h	(revision: 11107)
+++ src/app/qgsgraduatedsymboldialog.h	(copia de trabajo)
@@ -70,6 +70,9 @@
     /**Gets the color value along a specified ramp**/
     QColor getColorFromRamp( QString ramp, int step, int totalSteps );

+    // Reimplements dialog keyPress event so we can ignore it
+    void keyPressEvent( QKeyEvent * event );
+
   protected slots:
     /**Removes a class from the classification*/
     void deleteCurrentClass();
Index: src/app/qgscontinuouscolordialog.h
===================================================================
--- src/app/qgscontinuouscolordialog.h	(revision: 11107)
+++ src/app/qgscontinuouscolordialog.h	(copia de trabajo)
@@ -45,6 +45,9 @@
   protected:
     QgsVectorLayer* mVectorLayer;

+    // Reimplements dialog keyPress event so we can ignore it
+    void keyPressEvent( QKeyEvent * event );
+
   private:
     /** Default constructor is private, do not use this */
     QgsContinuousColorDialog();
Index: src/app/qgscontinuouscolordialog.cpp
===================================================================
--- src/app/qgscontinuouscolordialog.cpp	(revision: 11107)
+++ src/app/qgscontinuouscolordialog.cpp	(copia de trabajo)
@@ -27,8 +27,8 @@
 #include "qgslogger.h"

 #include <QColorDialog>
+#include <QKeyEvent>

-
 QgsContinuousColorDialog::QgsContinuousColorDialog( QgsVectorLayer * layer )
     : QDialog(), mVectorLayer( layer )
 {
@@ -203,3 +203,12 @@
   else
     outlinewidthspinbox->setEnabled( false );
 }
+
+void QgsContinuousColorDialog::keyPressEvent( QKeyEvent * e )
+{
+  // Ignore the ESC key to avoid close the dialog without the properties window
+  if ( e->key() == Qt::Key_Escape )
+  {
+    e->ignore();
+  }
+}
Index: src/app/qgsgraduatedsymboldialog.cpp
===================================================================
--- src/app/qgsgraduatedsymboldialog.cpp	(revision: 11107)
+++ src/app/qgsgraduatedsymboldialog.cpp	(copia de trabajo)
@@ -28,6 +28,8 @@
 #include "qgsvectorlayer.h"
 #include "qgslogger.h"

+#include <QKeyEvent>
+
 QgsGraduatedSymbolDialog::QgsGraduatedSymbolDialog( QgsVectorLayer * layer ): QDialog(), mVectorLayer( layer ), sydialog( layer )
 {
   setupUi( this );
@@ -598,3 +600,12 @@
       ;
   }
 }
+
+void QgsGraduatedSymbolDialog::keyPressEvent( QKeyEvent * e )
+{
+  // Ignore the ESC key to avoid close the dialog without the properties window
+  if ( e->key() == Qt::Key_Escape )
+  {
+    e->ignore();
+  }
+}
Index: src/app/qgsuniquevaluedialog.cpp
===================================================================
--- src/app/qgsuniquevaluedialog.cpp	(revision: 11107)
+++ src/app/qgsuniquevaluedialog.cpp	(copia de trabajo)
@@ -27,6 +27,7 @@
 #include "qgslogger.h"

 #include <QMessageBox>
+#include <QKeyEvent>

 QgsUniqueValueDialog::QgsUniqueValueDialog( QgsVectorLayer* vl ): QDialog(), mVectorLayer( vl ), sydialog( vl, true )
 {
@@ -456,3 +457,12 @@
       //do nothing
   }
 }
+
+void QgsUniqueValueDialog::keyPressEvent( QKeyEvent * e )
+{
+  // Ignore the ESC key to avoid close the dialog without the properties window
+  if ( e->key() == Qt::Key_Escape )
+  {
+    e->ignore();
+  }
+}
Index: src/app/qgssinglesymboldialog.cpp
===================================================================
--- src/app/qgssinglesymboldialog.cpp	(revision: 11107)
+++ src/app/qgssinglesymboldialog.cpp	(copia de trabajo)
@@ -31,6 +31,7 @@
 #include <QImage>
 #include <QFileDialog>
 #include <QListWidgetItem>
+#include <QKeyEvent>

 #define DO_NOT_USE_STR "<off>"

@@ -591,3 +592,11 @@

 }

+void QgsSingleSymbolDialog::keyPressEvent( QKeyEvent * e )
+{
+  // Ignore the ESC key to avoid close the dialog without the properties window
+  if ( e->key() == Qt::Key_Escape )
+  {
+    e->ignore();
+  }
+}
\ No newline at end of file