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Diffstat (limited to 'sfx2/source/dialog/backingcomp.cxx')
| -rw-r--r-- | sfx2/source/dialog/backingcomp.cxx | 736 |
1 files changed, 736 insertions, 0 deletions
diff --git a/sfx2/source/dialog/backingcomp.cxx b/sfx2/source/dialog/backingcomp.cxx new file mode 100644 index 000000000..845435ddc --- /dev/null +++ b/sfx2/source/dialog/backingcomp.cxx @@ -0,0 +1,736 @@ +/* -*- 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 "backingwindow.hxx" + +#include <com/sun/star/frame/XDispatchProvider.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/awt/KeyEvent.hpp> +#include <com/sun/star/frame/XLayoutManager.hpp> +#include <com/sun/star/lang/XServiceInfo.hpp> +#include <com/sun/star/lang/XInitialization.hpp> +#include <com/sun/star/awt/XWindow.hpp> +#include <com/sun/star/awt/XKeyListener.hpp> +#include <com/sun/star/uno/XComponentContext.hpp> +#include <com/sun/star/frame/XFrame.hpp> +#include <com/sun/star/frame/XDispatch.hpp> +#include <com/sun/star/lang/XEventListener.hpp> +#include <com/sun/star/lang/XComponent.hpp> +#include <com/sun/star/lang/XTypeProvider.hpp> + +#include <cppuhelper/supportsservice.hxx> +#include <cppuhelper/queryinterface.hxx> +#include <cppuhelper/typeprovider.hxx> +#include <cppuhelper/weak.hxx> +#include <toolkit/helper/vclunohelper.hxx> +#include <vcl/wrkwin.hxx> +#include <vcl/svapp.hxx> +#include <vcl/syswin.hxx> + +#include <sfx2/notebookbar/SfxNotebookBar.hxx> + +namespace { + +/** + implements the backing component. + + This component is a special one, which doesn't provide a controller + nor a model. It supports the following features: + - Drag & Drop + - Key Accelerators + - Simple Menu + - Progress Bar + - Background + */ +class BackingComp : public css::lang::XTypeProvider + , public css::lang::XServiceInfo + , public css::lang::XInitialization + , public css::frame::XController // => XComponent + , public css::awt::XKeyListener // => XEventListener + , public css::frame::XDispatchProvider + , public css::frame::XDispatch + , public ::cppu::OWeakObject +{ +private: + /** reference to the component window. */ + css::uno::Reference< css::awt::XWindow > m_xWindow; + + /** the owner frame of this component. */ + css::uno::Reference< css::frame::XFrame > m_xFrame; + + Size m_aInitialWindowMinSize; + +public: + + explicit BackingComp(); + + // XInterface + virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type& aType ) override; + virtual void SAL_CALL acquire ( ) noexcept override; + virtual void SAL_CALL release ( ) noexcept override; + + // XTypeProvide + virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes () override; + virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId() override; + + // XServiceInfo + virtual OUString SAL_CALL getImplementationName ( ) override; + virtual sal_Bool SAL_CALL supportsService ( const OUString& sServiceName ) override; + virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames( ) override; + + // XInitialization + virtual void SAL_CALL initialize( const css::uno::Sequence< css::uno::Any >& lArgs ) override; + + // XController + virtual void SAL_CALL attachFrame( const css::uno::Reference< css::frame::XFrame >& xFrame ) override; + virtual sal_Bool SAL_CALL attachModel( const css::uno::Reference< css::frame::XModel >& xModel ) override; + virtual sal_Bool SAL_CALL suspend( sal_Bool bSuspend ) override; + virtual css::uno::Any SAL_CALL getViewData() override; + virtual void SAL_CALL restoreViewData( const css::uno::Any& aData ) override; + virtual css::uno::Reference< css::frame::XModel > SAL_CALL getModel() override; + virtual css::uno::Reference< css::frame::XFrame > SAL_CALL getFrame() override; + + // XKeyListener + virtual void SAL_CALL keyPressed ( const css::awt::KeyEvent& aEvent ) override; + virtual void SAL_CALL keyReleased( const css::awt::KeyEvent& aEvent ) override; + + // XEventListener + virtual void SAL_CALL disposing( const css::lang::EventObject& aEvent ) override; + + // XComponent + virtual void SAL_CALL dispose ( ) override; + virtual void SAL_CALL addEventListener ( const css::uno::Reference< css::lang::XEventListener >& xListener ) override; + virtual void SAL_CALL removeEventListener( const css::uno::Reference< css::lang::XEventListener >& xListener ) override; + + // XDispatchProvider + virtual css::uno::Reference< css::frame::XDispatch > SAL_CALL queryDispatch( const css::util::URL& aURL, const OUString& sTargetFrameName , sal_Int32 nSearchFlags ) override; + virtual css::uno::Sequence< css::uno::Reference< css::frame::XDispatch > > SAL_CALL queryDispatches( const css::uno::Sequence< css::frame::DispatchDescriptor >& lDescriptions ) override; + + // XDispatch + virtual void SAL_CALL dispatch( const css::util::URL& aURL, const css::uno::Sequence< css::beans::PropertyValue >& lArguments ) override; + virtual void SAL_CALL addStatusListener( const css::uno::Reference< css::frame::XStatusListener >& xListener, const css::util::URL& aURL ) override; + virtual void SAL_CALL removeStatusListener( const css::uno::Reference< css::frame::XStatusListener >& xListener, const css::util::URL& aURL ) override; +}; + +BackingComp::BackingComp() +{ +} + +/** return information about supported interfaces. + + Some interfaces are supported by his class directly, but some other ones are + used by aggregation. An instance of this class must provide some window interfaces. + But it must represent a VCL window behind such interfaces too! So we use an internal + saved window member to ask it for its interfaces and return it. But we must be aware then, + that it can be destroyed from outside too ... + + @param aType + describe the required interface type + + @return An Any holding the instance, which provides the queried interface. + Note: There exist two possible results ... this instance itself and her window member! + */ + +css::uno::Any SAL_CALL BackingComp::queryInterface( /*IN*/ const css::uno::Type& aType ) +{ + // first look for own supported interfaces + css::uno::Any aResult = ::cppu::queryInterface( + aType, + static_cast< css::lang::XTypeProvider* >(this), + static_cast< css::lang::XServiceInfo* >(this), + static_cast< css::lang::XInitialization* >(this), + static_cast< css::frame::XController* >(this), + static_cast< css::lang::XComponent* >(this), + static_cast< css::lang::XEventListener* >(this), + static_cast< css::awt::XKeyListener* >(static_cast< css::lang::XEventListener* >(this)), + static_cast< css::frame::XDispatchProvider* >(this), + static_cast< css::frame::XDispatch* >(this) ); + + // then look for supported window interfaces + // Note: They exist only, if this instance was initialized + // with a valid window reference. It's aggregation on demand ... + if (!aResult.hasValue()) + { + /* SAFE { */ + SolarMutexGuard aGuard; + if (m_xWindow.is()) + aResult = m_xWindow->queryInterface(aType); + /* } SAFE */ + } + + // look for XWeak and XInterface + if (!aResult.hasValue()) + aResult = OWeakObject::queryInterface(aType); + + return aResult; +} + + +/** increase ref count of this instance. + */ + +void SAL_CALL BackingComp::acquire() + noexcept +{ + OWeakObject::acquire(); +} + + +/** decrease ref count of this instance. + */ + +void SAL_CALL BackingComp::release() + noexcept +{ + OWeakObject::release(); +} + + +/** return collection about all supported interfaces. + + Optimize this method ! + We initialize a static variable only one time. + And we don't must use a mutex at every call! + For the first call; pTypeCollection is NULL - + for the second call pTypeCollection is different from NULL! + + @return A list of all supported interface types. +*/ + +css::uno::Sequence< css::uno::Type > SAL_CALL BackingComp::getTypes() +{ + static cppu::OTypeCollection aTypeCollection = [this]() { + SolarMutexGuard aGuard; + css::uno::Reference<css::lang::XTypeProvider> xProvider(m_xWindow, css::uno::UNO_QUERY); + + css::uno::Sequence<css::uno::Type> lWindowTypes; + if (xProvider.is()) + lWindowTypes = xProvider->getTypes(); + + return cppu::OTypeCollection( + cppu::UnoType<css::lang::XInitialization>::get(), + cppu::UnoType<css::lang::XTypeProvider>::get(), + cppu::UnoType<css::lang::XServiceInfo>::get(), + cppu::UnoType<css::frame::XController>::get(), + cppu::UnoType<css::lang::XComponent>::get(), + cppu::UnoType<css::frame::XDispatchProvider>::get(), + cppu::UnoType<css::frame::XDispatch>::get(), lWindowTypes); + }(); + + return aTypeCollection.getTypes(); +} + + +/** create one unique Id for all instances of this class. + + Optimize this method + We initialize a static variable only one time. And we don't must use a mutex at every call! + For the first call; pID is NULL - for the second call pID is different from NULL! + + @return A byte array, which represent the unique id. +*/ + +css::uno::Sequence< sal_Int8 > SAL_CALL BackingComp::getImplementationId() +{ + return css::uno::Sequence<sal_Int8>(); +} + +OUString SAL_CALL BackingComp::getImplementationName() +{ + return "com.sun.star.comp.sfx2.BackingComp"; +} + +sal_Bool SAL_CALL BackingComp::supportsService( /*IN*/ const OUString& sServiceName ) +{ + return cppu::supportsService(this, sServiceName); +} + +css::uno::Sequence< OUString > SAL_CALL BackingComp::getSupportedServiceNames() +{ + return { "com.sun.star.frame.StartModule", "com.sun.star.frame.ProtocolHandler" }; +} + + +/** + attach this component to a target frame. + + We have to use the container window of this frame as parent window of our own component window. + But it's not allowed to work with it really. May another component used it too. + Currently we need it only to create our child component window and support it's + interfaces inside our queryInterface() method. The user of us must have e.g. the + XWindow interface of it to be able to call setComponent(xWindow,xController) at the + frame! + + May he will do the following things: + + <listing> + XController xBackingComp = (XController)UnoRuntime.queryInterface( + XController.class, + xSMGR.createInstance(SERVICENAME_STARTMODULE)); + + // at this time XWindow isn't present at this instance! + XWindow xBackingComp = (XWindow)UnoRuntime.queryInterface( + XWindow.class, + xBackingComp); + + // attach controller to the frame + // We will use its container window, to create + // the component window. From now we offer the window interfaces! + xBackingComp.attachFrame(xFrame); + + XWindow xBackingComp = (XWindow)UnoRuntime.queryInterface( + XWindow.class, + xBackingComp); + + // Our user can set us at the frame as new component + xFrame.setComponent(xBackingWin, xBackingComp); + + // But that had no effect to our view state. + // We must be started to create our UI elements like e.g. menu, title, background ... + XInitialization xBackingInit = (XInitialization)UnoRuntime.queryInterface( + XInitialization.class, + xBackingComp); + + xBackingInit.initialize(lArgs); + </listing> + + @param xFrame + reference to our new target frame + + @throw css::uno::RuntimeException + if the given frame reference is wrong or component window couldn't be created + successfully. + We throw it too, if we already attached to a frame. Because we don't support + reparenting of our component window on demand! +*/ + +void SAL_CALL BackingComp::attachFrame( /*IN*/ const css::uno::Reference< css::frame::XFrame >& xFrame ) +{ + /* SAFE */ + SolarMutexGuard aGuard; + + // check some required states + if (m_xFrame.is()) + throw css::uno::RuntimeException( + "already attached", + static_cast< ::cppu::OWeakObject* >(this)); + + if (!xFrame.is()) + throw css::uno::RuntimeException( + "invalid frame reference", + static_cast< ::cppu::OWeakObject* >(this)); + + if (!m_xWindow.is()) + return; // disposed + + // safe the frame reference + m_xFrame = xFrame; + + // initialize the component and its parent window + css::uno::Reference< css::awt::XWindow > xParentWindow = xFrame->getContainerWindow(); + VclPtr< WorkWindow > pParent = static_cast<WorkWindow*>(VCLUnoHelper::GetWindow(xParentWindow)); + VclPtr< vcl::Window > pWindow = VCLUnoHelper::GetWindow(m_xWindow); + + // disable full screen mode of the frame! + if (pParent && pParent->IsFullScreenMode()) + { + pParent->ShowFullScreenMode(false); + pParent->SetMenuBarMode(MenuBarMode::Normal); + } + + // create the menu bar for the backing component + css::uno::Reference< css::beans::XPropertySet > xPropSet(m_xFrame, css::uno::UNO_QUERY_THROW); + css::uno::Reference< css::frame::XLayoutManager > xLayoutManager; + xPropSet->getPropertyValue("LayoutManager") >>= xLayoutManager; + if (xLayoutManager.is()) + { + xLayoutManager->lock(); + xLayoutManager->createElement("private:resource/menubar/menubar"); + xLayoutManager->unlock(); + } + + if (pWindow) + { + // set help ID for our canvas + pWindow->SetHelpId("FWK_HID_BACKINGWINDOW"); + } + + // inform BackingWindow about frame + BackingWindow* pBack = dynamic_cast<BackingWindow*>(pWindow.get()); + if( pBack ) + pBack->setOwningFrame( m_xFrame ); + + // Set a minimum size for Start Center + if( !pParent || !pBack ) + return; + + tools::Long nMenuHeight = 0; + vcl::Window* pMenu = pParent->GetWindow(GetWindowType::Next); + if( pMenu ) + nMenuHeight = pMenu->GetSizePixel().Height(); + + m_aInitialWindowMinSize = pParent->GetMinOutputSizePixel(); + if (!m_aInitialWindowMinSize.Width()) + m_aInitialWindowMinSize.AdjustWidth(1); + if (!m_aInitialWindowMinSize.Height()) + m_aInitialWindowMinSize.AdjustHeight(1); + + pParent->SetMinOutputSizePixel( + Size( + pBack->get_width_request(), + pBack->get_height_request() + nMenuHeight)); + + /* } SAFE */ +} + + +/** not supported. + + This component does not know any model. It will be represented by a window and + its controller only. + + return <FALSE/> every time. + */ + +sal_Bool SAL_CALL BackingComp::attachModel( /*IN*/ const css::uno::Reference< css::frame::XModel >& ) +{ + return false; +} + + +/** not supported. + + This component does not know any model. It will be represented by a window and + its controller only. + + return An empty reference every time. + */ + +css::uno::Reference< css::frame::XModel > SAL_CALL BackingComp::getModel() +{ + return css::uno::Reference< css::frame::XModel >(); +} + + +/** not supported. + + return An empty value. + */ + +css::uno::Any SAL_CALL BackingComp::getViewData() +{ + return css::uno::Any(); +} + + +/** not supported. + + @param aData + not used. + */ + +void SAL_CALL BackingComp::restoreViewData( /*IN*/ const css::uno::Any& ) +{ +} + + +/** returns the attached frame for this component. + + @see attachFrame() + + @return The internally saved frame reference. + Can be null, if attachFrame() was not called before. + */ + +css::uno::Reference< css::frame::XFrame > SAL_CALL BackingComp::getFrame() +{ + /* SAFE { */ + SolarMutexGuard aGuard; + return m_xFrame; + /* } SAFE */ +} + + +/** ask controller for its current working state. + + If someone wishes to close this component, it must suspend the controller before. + That will be a chance for it to disagree with that AND show any UI for a possible + UI user. + + @param bSuspend + If it's set to sal_True this controller should be suspended. + sal_False will resuspend it. + + @return sal_True if the request could be finished successfully; sal_False otherwise. + */ + +sal_Bool SAL_CALL BackingComp::suspend( /*IN*/ sal_Bool ) +{ + /* FIXME ... implemented by using default :-( */ + return true; +} + + +/** callback from our window member. + + Our internal saved window wish to die. It will be disposed from outside (may be the frame) + and inform us. We must release its reference only here. Of course we check the given reference + here and reject callback from unknown sources. + + Note: deregistration as listener isn't necessary here. The broadcaster do it automatically. + + @param aEvent + describe the broadcaster of this callback + + @throw css::uno::RuntimeException + if the broadcaster doesn't represent the expected window reference. +*/ + +void SAL_CALL BackingComp::disposing( /*IN*/ const css::lang::EventObject& aEvent ) +{ + // Attention: don't free m_pAccExec here! see comments inside dtor and + // keyPressed() for further details. + + /* SAFE { */ + SolarMutexGuard aGuard; + + if (!aEvent.Source.is() || aEvent.Source!=m_xWindow || !m_xWindow.is()) + throw css::uno::RuntimeException( + "unexpected source or called twice", + static_cast< ::cppu::OWeakObject* >(this)); + + m_xWindow.clear(); + + /* } SAFE */ +} + + +/** kill this instance. + + It can be called from our owner frame only. But there is no possibility to check the caller. + We have to release all our internal used resources and die. From this point we can throw + DisposedExceptions for every further interface request... but current implementation doesn't do so... + +*/ + +void SAL_CALL BackingComp::dispose() +{ + /* SAFE { */ + SolarMutexGuard aGuard; + + if (m_xFrame.is()) + { + css::uno::Reference< css::awt::XWindow > xParentWindow = m_xFrame->getContainerWindow(); + VclPtr< WorkWindow > pParent = static_cast<WorkWindow*>(VCLUnoHelper::GetWindow(xParentWindow)); + if (pParent) + { + pParent->SetMinOutputSizePixel(m_aInitialWindowMinSize); + // hide NotebookBar + sfx2::SfxNotebookBar::CloseMethod(static_cast<SystemWindow*>(pParent)); + } + } + + // stop listening at the window + if (m_xWindow.is()) + { + m_xWindow->removeEventListener(this); + m_xWindow->removeKeyListener(this); + m_xWindow.clear(); + } + + // forget all other used references + m_xFrame.clear(); + + /* } SAFE */ +} + + +/** not supported. + + @param xListener + not used. + + @throw css::uno::RuntimeException + because the listener expect to be holded alive by this container. + We must inform it about this unsupported feature. + */ + +void SAL_CALL BackingComp::addEventListener( /*IN*/ const css::uno::Reference< css::lang::XEventListener >& ) +{ + throw css::uno::RuntimeException( + "not supported", + static_cast< ::cppu::OWeakObject* >(this)); +} + + +/** not supported. + + Because registration is not supported too, we must do nothing here. Nobody can call this method really. + + @param xListener + not used. + */ + +void SAL_CALL BackingComp::removeEventListener( /*IN*/ const css::uno::Reference< css::lang::XEventListener >& ) +{ +} + + +/** + force initialization for this component. + + Inside attachFrame() we created our component window. But it was not allowed there, to + initialize it. E.g. the menu must be set at the container window of the frame, which + is our parent window. But may at that time another component used it. + That's why our creator has to inform us, when it's time to initialize us really. + Currently only calling of this method must be done. But further implementations + can use special in parameter to configure this initialization... + + @param lArgs + currently not used + + @throw css::uno::RuntimeException + if some resources are missing + Means if may be attachedFrame() wasn't called before. + */ + +void SAL_CALL BackingComp::initialize( /*IN*/ const css::uno::Sequence< css::uno::Any >& lArgs ) +{ + /* SAFE { */ + SolarMutexGuard aGuard; + + if (m_xWindow.is()) + throw css::uno::Exception( + "already initialized", + static_cast< ::cppu::OWeakObject* >(this)); + + css::uno::Reference< css::awt::XWindow > xParentWindow; + if ( + (lArgs.getLength()!=1 ) || + (!(lArgs[0] >>= xParentWindow)) || + (!xParentWindow.is() ) + ) + { + throw css::uno::Exception( + "wrong or corrupt argument list", + static_cast< ::cppu::OWeakObject* >(this)); + } + + // create the component window + VclPtr<vcl::Window> pParent = VCLUnoHelper::GetWindow(xParentWindow); + VclPtr<vcl::Window> pWindow = VclPtr<BackingWindow>::Create(pParent); + m_xWindow = VCLUnoHelper::GetInterface(pWindow); + + if (!m_xWindow.is()) + throw css::uno::RuntimeException( + "couldn't create component window", + static_cast< ::cppu::OWeakObject* >(this)); + + // start listening for window disposing + // It's set at our owner frame as component window later too. So it will may be disposed there ... + m_xWindow->addEventListener(static_cast< css::lang::XEventListener* >(this)); + + m_xWindow->setVisible(true); + + /* } SAFE */ +} + + +void SAL_CALL BackingComp::keyPressed( /*IN*/ const css::awt::KeyEvent& ) +{ +} + + +void SAL_CALL BackingComp::keyReleased( /*IN*/ const css::awt::KeyEvent& ) +{ + /* Attention + Please use keyPressed() instead of this method. Otherwise it would be possible, that + - a key input may be first switch to the backing mode + - and this component register itself as key listener too + - and it's first event will be a keyReleased() for the already well known event, which switched to the backing mode! + So it will be handled twice! document => backing mode => exit app... + */ +} + +// XDispatchProvider +css::uno::Reference< css::frame::XDispatch > SAL_CALL BackingComp::queryDispatch( const css::util::URL& aURL, const OUString& /*sTargetFrameName*/, sal_Int32 /*nSearchFlags*/ ) +{ + css::uno::Reference< css::frame::XDispatch > xDispatch; + if ( aURL.Protocol == "vnd.org.libreoffice.recentdocs:" ) + xDispatch = this; + + return xDispatch; +} + +css::uno::Sequence < css::uno::Reference< css::frame::XDispatch > > SAL_CALL BackingComp::queryDispatches( const css::uno::Sequence < css::frame::DispatchDescriptor >& seqDescripts ) +{ + sal_Int32 nCount = seqDescripts.getLength(); + css::uno::Sequence < css::uno::Reference < XDispatch > > lDispatcher( nCount ); + + std::transform(seqDescripts.begin(), seqDescripts.end(), lDispatcher.getArray(), + [this](const css::frame::DispatchDescriptor& rDesc) -> css::uno::Reference<XDispatch> { + return queryDispatch(rDesc.FeatureURL, rDesc.FrameName, rDesc.SearchFlags); }); + + return lDispatcher; +} + +// XDispatch +void SAL_CALL BackingComp::dispatch( const css::util::URL& aURL, const css::uno::Sequence < css::beans::PropertyValue >& /*lArgs*/ ) +{ + // vnd.org.libreoffice.recentdocs:ClearRecentFileList - clear recent files + if ( aURL.Path != "ClearRecentFileList" ) + return; + + VclPtr<vcl::Window> pWindow = VCLUnoHelper::GetWindow(m_xWindow); + BackingWindow* pBack = dynamic_cast<BackingWindow*>(pWindow.get()); + if( !pBack ) + return; + + pBack->clearRecentFileList(); + + // Recalculate minimum width + css::uno::Reference< css::awt::XWindow > xParentWindow = m_xFrame->getContainerWindow(); + VclPtr< WorkWindow > pParent = static_cast<WorkWindow*>(VCLUnoHelper::GetWindow(xParentWindow)); + if( pParent ) + { + pParent->SetMinOutputSizePixel( Size( + pBack->get_width_request(), + pParent->GetMinOutputSizePixel().Height()) ); + } +} + +void SAL_CALL BackingComp::addStatusListener( const css::uno::Reference< css::frame::XStatusListener >& /*xControl*/, const css::util::URL& /*aURL*/ ) +{ +} + +void SAL_CALL BackingComp::removeStatusListener( const css::uno::Reference< css::frame::XStatusListener >& /*xControl*/, const css::util::URL& /*aURL*/ ) +{ +} + +} + +extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface * +com_sun_star_comp_sfx2_BackingComp_get_implementation( + css::uno::XComponentContext *, + css::uno::Sequence<css::uno::Any> const &) +{ + return cppu::acquire(new BackingComp); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |