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Diffstat (limited to 'sfx2/source/view/userinputinterception.cxx')
| -rw-r--r-- | sfx2/source/view/userinputinterception.cxx | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/sfx2/source/view/userinputinterception.cxx b/sfx2/source/view/userinputinterception.cxx new file mode 100644 index 000000000..ad605627f --- /dev/null +++ b/sfx2/source/view/userinputinterception.cxx @@ -0,0 +1,270 @@ +/* -*- 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: */ |