extensions/source/propctrlr/propertycontrolextender.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include "propertycontrolextender.hxx"
  22
  23 #include <com/sun/star/awt/KeyFunction.hpp>
  24
  25 #include <tools/diagnose_ex.h>
  26
  27
  28 namespace pcr
  29 {
  30
  31
  32     using ::com::sun::star::uno::Reference;
  33     using ::com::sun::star::uno::XInterface;
  34     using ::com::sun::star::uno::UNO_QUERY;
  35     using ::com::sun::star::uno::UNO_QUERY_THROW;
  36     using ::com::sun::star::uno::UNO_SET_THROW;
  37     using ::com::sun::star::uno::Exception;
  38     using ::com::sun::star::uno::RuntimeException;
  39     using ::com::sun::star::uno::Any;
  40     using ::com::sun::star::uno::makeAny;
  41     using ::com::sun::star::uno::Sequence;
  42     using ::com::sun::star::uno::Type;
  43     using ::com::sun::star::awt::XWindow;
  44     using ::com::sun::star::awt::KeyEvent;
  45     using ::com::sun::star::inspection::XPropertyControl;
  46     using ::com::sun::star::lang::EventObject;
  47     using ::com::sun::star::inspection::XPropertyControlContext;
  48
  49     namespace KeyFunction = ::com::sun::star::awt::KeyFunction;
  50
  51
  52     //= PropertyControlExtender_Data
  53
  54     struct PropertyControlExtender_Data
  55     {
  56         Reference< XPropertyControl >   xControl;
  57         Reference< XWindow >            xControlWindow;
  58     };
  59
  60
  61     //= PropertyControlExtender
  62
  63
  64     PropertyControlExtender::PropertyControlExtender( const Reference< XPropertyControl >& _rxObservedControl )
  65         :m_pData( new PropertyControlExtender_Data )
  66     {
  67         try
  68         {
  69             m_pData->xControl.set( _rxObservedControl, UNO_SET_THROW );
  70             m_pData->xControlWindow.set( m_pData->xControl->getControlWindow(), UNO_SET_THROW );
  71             m_pData->xControlWindow->addKeyListener( this );
  72         }
  73         catch( const Exception& )
  74         {
  75             DBG_UNHANDLED_EXCEPTION();
  76         }
  77     }
  78
  79
  80     PropertyControlExtender::~PropertyControlExtender()
  81     {
  82     }
  83
  84
  85     void SAL_CALL PropertyControlExtender::keyPressed( const KeyEvent& _event ) throw (RuntimeException, std::exception)
  86     {
  87         OSL_ENSURE( _event.Source == m_pData->xControlWindow, "PropertyControlExtender::keyPressed: where does this come from?" );
  88         if  (   ( _event.KeyFunc == KeyFunction::DELETE )
  89             &&  ( _event.Modifiers == 0 )
  90             )
  91         {
  92             try
  93             {
  94                 Reference< XPropertyControl > xControl( m_pData->xControl, UNO_SET_THROW );
  95
  96                 // reset the value
  97                 xControl->setValue( Any() );
  98
  99                 // and notify the change
 100                 // don't use XPropertyControl::notifyModifiedValue. It only notifies when the control content
 101                 // is recognized as being modified by the user, which is not the case, since we just modified
 102                 // it programmatically.
 103                 Reference< XPropertyControlContext > xControlContext( xControl->getControlContext(), UNO_SET_THROW );
 104                 xControlContext->valueChanged( xControl );
 105             }
 106             catch( const Exception& )
 107             {
 108                 DBG_UNHANDLED_EXCEPTION();
 109             }
 110         }
 111     }
 112
 113
 114     void SAL_CALL PropertyControlExtender::keyReleased( const KeyEvent& /*_event*/ ) throw (RuntimeException, std::exception)
 115     {
 116         // not interested in
 117     }
 118
 119
 120     void SAL_CALL PropertyControlExtender::disposing( const EventObject& Source ) throw (RuntimeException, std::exception)
 121     {
 122         OSL_ENSURE( Source.Source == m_pData->xControlWindow, "PropertyControlExtender::disposing: where does this come from?" );
 123         (void)Source.Source;
 124         m_pData->xControlWindow.clear();
 125         m_pData->xControl.clear();
 126     }
 127
 128
 129
 130 } // namespace pcr
 131
 132
 133 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */