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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sfx2/userinputinterception.hxx>
#include <com/sun/star/awt/MouseButton.hpp>
#include <com/sun/star/awt/MouseEvent.hpp>
#include <com/sun/star/awt/InputEvent.hpp>
#include <com/sun/star/awt/KeyEvent.hpp>
#include <com/sun/star/awt/KeyModifier.hpp>
#include <com/sun/star/awt/XKeyHandler.hpp>
#include <com/sun/star/awt/XMouseClickHandler.hpp>
#include <com/sun/star/awt/XWindowPeer.hpp>
#include <com/sun/star/uno/XInterface.hpp>
#include <comphelper/interfacecontainer2.hxx>
#include <cppuhelper/weak.hxx>
#include <vcl/event.hxx>
#include <vcl/window.hxx>
#include <osl/diagnose.h>
namespace sfx2
{
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::XInterface;
using ::com::sun::star::uno::Exception;
using ::com::sun::star::uno::RuntimeException;
using ::com::sun::star::awt::MouseEvent;
using ::com::sun::star::awt::KeyEvent;
using ::com::sun::star::awt::InputEvent;
using ::com::sun::star::awt::XKeyHandler;
using ::com::sun::star::awt::XMouseClickHandler;
using ::com::sun::star::lang::DisposedException;
namespace MouseButton = ::com::sun::star::awt::MouseButton;
namespace KeyModifier = ::com::sun::star::awt::KeyModifier;
struct UserInputInterception_Data
{
public:
::cppu::OWeakObject& m_rControllerImpl;
::comphelper::OInterfaceContainerHelper2 m_aKeyHandlers;
::comphelper::OInterfaceContainerHelper2 m_aMouseClickHandlers;
public:
UserInputInterception_Data( ::cppu::OWeakObject& _rControllerImpl, ::osl::Mutex& _rMutex )
:m_rControllerImpl( _rControllerImpl )
,m_aKeyHandlers( _rMutex )
,m_aMouseClickHandlers( _rMutex )
{
}
};
namespace
{
template< class VLCEVENT >
void lcl_initModifiers( InputEvent& _rEvent, const VLCEVENT& _rVclEvent )
{
_rEvent.Modifiers = 0;
if ( _rVclEvent.IsShift() )
_rEvent.Modifiers |= KeyModifier::SHIFT;
if ( _rVclEvent.IsMod1() )
_rEvent.Modifiers |= KeyModifier::MOD1;
if ( _rVclEvent.IsMod2() )
_rEvent.Modifiers |= KeyModifier::MOD2;
if ( _rVclEvent.IsMod3() )
_rEvent.Modifiers |= KeyModifier::MOD3;
}
void lcl_initKeyEvent( KeyEvent& rEvent, const ::KeyEvent& rEvt )
{
lcl_initModifiers( rEvent, rEvt.GetKeyCode() );
rEvent.KeyCode = rEvt.GetKeyCode().GetCode();
rEvent.KeyChar = rEvt.GetCharCode();
rEvent.KeyFunc = sal::static_int_cast< sal_Int16 >( rEvt.GetKeyCode().GetFunction());
}
void lcl_initMouseEvent( MouseEvent& rEvent, const ::MouseEvent& rEvt )
{
lcl_initModifiers( rEvent, rEvt );
rEvent.Buttons = 0;
if ( rEvt.IsLeft() )
rEvent.Buttons |= MouseButton::LEFT;
if ( rEvt.IsRight() )
rEvent.Buttons |= MouseButton::RIGHT;
if ( rEvt.IsMiddle() )
rEvent.Buttons |= MouseButton::MIDDLE;
rEvent.X = rEvt.GetPosPixel().X();
rEvent.Y = rEvt.GetPosPixel().Y();
rEvent.ClickCount = rEvt.GetClicks();
rEvent.PopupTrigger = false;
}
}
//= UserInputInterception
UserInputInterception::UserInputInterception( ::cppu::OWeakObject& _rControllerImpl, ::osl::Mutex& _rMutex )
:m_pData( new UserInputInterception_Data( _rControllerImpl, _rMutex ) )
{
}
UserInputInterception::~UserInputInterception()
{
}
void UserInputInterception::addKeyHandler( const Reference< XKeyHandler >& _rxHandler )
{
if ( _rxHandler.is() )
m_pData->m_aKeyHandlers.addInterface( _rxHandler );
}
void UserInputInterception::removeKeyHandler( const Reference< XKeyHandler >& _rxHandler )
{
m_pData->m_aKeyHandlers.removeInterface( _rxHandler );
}
void UserInputInterception::addMouseClickHandler( const Reference< XMouseClickHandler >& _rxHandler )
{
if ( _rxHandler.is() )
m_pData->m_aMouseClickHandlers.addInterface( _rxHandler );
}
void UserInputInterception::removeMouseClickHandler( const Reference< XMouseClickHandler >& _rxHandler )
{
m_pData->m_aMouseClickHandlers.removeInterface( _rxHandler );
}
bool UserInputInterception::hasKeyHandlers() const
{
return m_pData->m_aKeyHandlers.getLength() > 0;
}
bool UserInputInterception::hasMouseClickListeners() const
{
return m_pData->m_aMouseClickHandlers.getLength() > 0;
}
bool UserInputInterception::handleNotifyEvent( const NotifyEvent& _rEvent )
{
Reference < XInterface > xHoldAlive( m_pData->m_rControllerImpl );
MouseNotifyEvent nType = _rEvent.GetType();
bool bHandled = false;
switch ( nType )
{
case MouseNotifyEvent::KEYINPUT:
case MouseNotifyEvent::KEYUP:
{
KeyEvent aEvent;
lcl_initKeyEvent( aEvent, *_rEvent.GetKeyEvent() );
if ( _rEvent.GetWindow() )
aEvent.Source = _rEvent.GetWindow()->GetComponentInterface();
::comphelper::OInterfaceIteratorHelper2 aIterator( m_pData->m_aKeyHandlers );
while ( aIterator.hasMoreElements() )
{
Reference< XKeyHandler > xHandler( static_cast< XKeyHandler* >( aIterator.next() ) );
if ( !xHandler.is() )
continue;
try
{
if ( nType == MouseNotifyEvent::KEYINPUT )
bHandled = xHandler->keyPressed( aEvent );
else
bHandled = xHandler->keyReleased( aEvent );
}
catch( const DisposedException& e )
{
if ( e.Context == xHandler )
aIterator.remove();
}
catch( const RuntimeException& )
{
throw;
}
catch( const Exception& )
{
}
}
}
break;
case MouseNotifyEvent::MOUSEBUTTONDOWN:
case MouseNotifyEvent::MOUSEBUTTONUP:
{
MouseEvent aEvent;
lcl_initMouseEvent( aEvent, *_rEvent.GetMouseEvent() );
if ( _rEvent.GetWindow() )
aEvent.Source = _rEvent.GetWindow()->GetComponentInterface();
::comphelper::OInterfaceIteratorHelper2 aIterator( m_pData->m_aMouseClickHandlers );
while ( aIterator.hasMoreElements() )
{
Reference< XMouseClickHandler > xHandler( static_cast< XMouseClickHandler* >( aIterator.next() ) );
if ( !xHandler.is() )
continue;
try
{
if ( nType == MouseNotifyEvent::MOUSEBUTTONDOWN )
bHandled = xHandler->mousePressed( aEvent );
else
bHandled = xHandler->mouseReleased( aEvent );
}
catch( const DisposedException& e )
{
if ( e.Context == xHandler )
aIterator.remove();
}
catch( const RuntimeException& )
{
throw;
}
catch( const Exception& )
{
}
}
}
break;
default:
OSL_FAIL( "UserInputInterception::handleNotifyEvent: illegal event type!" );
break;
}
return bHandled;
}
} // namespace sfx2
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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