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Diffstat (limited to 'toolkit/source/controls/stdtabcontroller.cxx')
| -rw-r--r-- | toolkit/source/controls/stdtabcontroller.cxx | 415 |
1 files changed, 415 insertions, 0 deletions
diff --git a/toolkit/source/controls/stdtabcontroller.cxx b/toolkit/source/controls/stdtabcontroller.cxx new file mode 100644 index 000000000..0fa0f96f9 --- /dev/null +++ b/toolkit/source/controls/stdtabcontroller.cxx @@ -0,0 +1,415 @@ +/* -*- 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 <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/uno/XComponentContext.hpp> +#include <com/sun/star/awt/XVclContainerPeer.hpp> +#include <com/sun/star/lang/IllegalArgumentException.hpp> + +#include <controls/stdtabcontroller.hxx> +#include <helper/servicenames.hxx> +#include <toolkit/awt/vclxwindow.hxx> +#include <toolkit/helper/macros.hxx> +#include <cppuhelper/supportsservice.hxx> +#include <cppuhelper/queryinterface.hxx> + +#include <sal/log.hxx> +#include <tools/debug.hxx> +#include <vcl/svapp.hxx> +#include <vcl/window.hxx> +#include <comphelper/sequence.hxx> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::awt; +using namespace ::com::sun::star::lang; +using namespace ::com::sun::star::beans; + + + +StdTabController::StdTabController() +{ +} + +StdTabController::~StdTabController() +{ +} + +bool StdTabController::ImplCreateComponentSequence( + Sequence< Reference< XControl > >& rControls, + const Sequence< Reference< XControlModel > >& rModels, + Sequence< Reference< XWindow > >& rComponents, + Sequence< Any>* pTabStops, + bool bPeerComponent ) +{ + // Get only the requested controls + sal_Int32 nModels = rModels.getLength(); + if (nModels != rControls.getLength()) + { + Sequence< Reference< XControl > > aSeq( nModels ); + Reference< XControl > xCurrentControl; + + sal_Int32 nRealControls = 0; + for (const Reference< XControlModel >& rModel : rModels) + { + xCurrentControl = FindControl(rControls, rModel); + if (xCurrentControl.is()) + aSeq[nRealControls++] = xCurrentControl; + } + aSeq.realloc(nRealControls); + rControls = aSeq; + } + + // there may be less controls than models, but never more controls than models + assert(rControls.getLength() <= rModels.getLength()); + + sal_Int32 nCtrls = rControls.getLength(); + rComponents.realloc( nCtrls ); + Reference< XWindow > * pComps = rComponents.getArray(); + Any* pTabs = nullptr; + + + if ( pTabStops ) + { + *pTabStops = Sequence< Any>( nCtrls ); + pTabs = pTabStops->getArray(); + } + + bool bOK = true; + for ( const Reference< XControl >& xCtrl : std::as_const(rControls) ) + { + // Get the matching control for this model + if ( !xCtrl.is() ) + { + SAL_WARN("toolkit", "Control not found" ); + bOK = false; + break; + } + + if (bPeerComponent) + pComps->set(xCtrl->getPeer(), UNO_QUERY); + else + pComps->set(xCtrl, UNO_QUERY); + + // TabStop-Property + if ( pTabs ) + { + // opt: Constant String for TabStop name + static const char aTabStopName[] = "Tabstop"; + + Reference< XPropertySet > xPSet( xCtrl->getModel(), UNO_QUERY ); + Reference< XPropertySetInfo > xInfo = xPSet->getPropertySetInfo(); + if( xInfo->hasPropertyByName( aTabStopName ) ) + *pTabs++ = xPSet->getPropertyValue( aTabStopName ); + else + ++pTabs; + } + + ++pComps; + } + return bOK; +} + +void StdTabController::ImplActivateControl( bool bFirst ) const +{ + // HACK due to bug #53688#, map controls onto an interface if remote controls may occur + Sequence< Reference< XControl > > aCtrls = const_cast<StdTabController*>(this)->getControls(); + const Reference< XControl > * pControls = aCtrls.getConstArray(); + sal_uInt32 nCount = aCtrls.getLength(); + + for ( sal_uInt32 n = bFirst ? 0 : nCount; bFirst ? n < nCount : n != 0; ) + { + sal_uInt32 nCtrl = bFirst ? n++ : --n; + DBG_ASSERT( pControls[nCtrl].is(), "Control not in Container!" ); + if ( pControls[nCtrl].is() ) + { + Reference< XWindowPeer > xCP = pControls[nCtrl]->getPeer(); + if ( xCP.is() ) + { + VCLXWindow* pC = comphelper::getUnoTunnelImplementation<VCLXWindow>( xCP ); + if ( pC && pC->GetWindow() && ( pC->GetWindow()->GetStyle() & WB_TABSTOP ) ) + { + pC->GetWindow()->GrabFocus(); + break; + } + } + } + } +} + +// XInterface +Any StdTabController::queryAggregation( const Type & rType ) +{ + Any aRet = ::cppu::queryInterface( rType, + static_cast< XTabController* >(this), + static_cast< XServiceInfo* >(this), + static_cast< XTypeProvider* >(this) ); + return (aRet.hasValue() ? aRet : OWeakAggObject::queryAggregation( rType )); +} + +IMPL_IMPLEMENTATION_ID( StdTabController ) + +// XTypeProvider +css::uno::Sequence< css::uno::Type > StdTabController::getTypes() +{ + static const css::uno::Sequence< css::uno::Type > aTypeList { + cppu::UnoType<css::lang::XTypeProvider>::get(), + cppu::UnoType<XTabController>::get(), + cppu::UnoType<XServiceInfo>::get() + }; + return aTypeList; +} + +void StdTabController::setModel( const Reference< XTabControllerModel >& Model ) +{ + ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() ); + + mxModel = Model; +} + +Reference< XTabControllerModel > StdTabController::getModel( ) +{ + ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() ); + + return mxModel; +} + +void StdTabController::setContainer( const Reference< XControlContainer >& Container ) +{ + ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() ); + + mxControlContainer = Container; +} + +Reference< XControlContainer > StdTabController::getContainer( ) +{ + ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() ); + + return mxControlContainer; +} + +Sequence< Reference< XControl > > StdTabController::getControls( ) +{ + ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() ); + + Sequence< Reference< XControl > > aSeq; + + if ( mxControlContainer.is() ) + { + Sequence< Reference< XControlModel > > aModels = mxModel->getControlModels(); + + Sequence< Reference< XControl > > xCtrls = mxControlContainer->getControls(); + + sal_Int32 nCtrls = aModels.getLength(); + aSeq = Sequence< Reference< XControl > >( nCtrls ); + std::transform(aModels.begin(), aModels.end(), aSeq.begin(), + [&xCtrls](const Reference< XControlModel >& xCtrlModel) -> Reference< XControl > { + return FindControl( xCtrls, xCtrlModel ); }); + } + return aSeq; +} + +namespace { + +struct ComponentEntry +{ + css::awt::XWindow* pComponent; + ::Point aPos; +}; + +} + +void StdTabController::autoTabOrder( ) +{ + ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() ); + + DBG_ASSERT( mxControlContainer.is(), "autoTabOrder: No ControlContainer!" ); + if ( !mxControlContainer.is() ) + return; + + Sequence< Reference< XControlModel > > aSeq = mxModel->getControlModels(); + Sequence< Reference< XWindow > > aCompSeq; + + // This may return a TabController, which returns desired list of controls faster + Sequence< Reference< XControl > > aControls = getControls(); + + // #58317# Some Models may be missing from the Container. Plus there is a + // autoTabOrder call later on. + if( !ImplCreateComponentSequence( aControls, aSeq, aCompSeq, nullptr, false ) ) + return; + + sal_uInt32 nCtrls = aCompSeq.getLength(); + + // insert sort algorithm + std::vector< ComponentEntry > aCtrls; + aCtrls.reserve(nCtrls); + for ( const Reference< XWindow >& rComponent : std::as_const(aCompSeq) ) + { + XWindow* pC = rComponent.get(); + ComponentEntry newEntry; + newEntry.pComponent = pC; + awt::Rectangle aPosSize = pC->getPosSize(); + newEntry.aPos.setX( aPosSize.X ); + newEntry.aPos.setY( aPosSize.Y ); + + decltype(aCtrls)::size_type nPos; + for ( nPos = 0; nPos < aCtrls.size(); nPos++ ) + { + ComponentEntry& rEntry = aCtrls[ nPos ]; + if ( ( rEntry.aPos.Y() > newEntry.aPos.Y() ) || + ( ( rEntry.aPos.Y() == newEntry.aPos.Y() ) && ( rEntry.aPos.X() > newEntry.aPos.X() ) ) ) + break; + } + if ( nPos < aCtrls.size() ) { + aCtrls.insert( aCtrls.begin() + nPos, newEntry ); + } else { + aCtrls.push_back( newEntry ); + } + } + + Sequence< Reference< XControlModel > > aNewSeq( nCtrls ); + std::transform(aCtrls.begin(), aCtrls.end(), aNewSeq.begin(), + [](const ComponentEntry& rEntry) -> Reference< XControlModel > { + Reference< XControl > xUC( rEntry.pComponent, UNO_QUERY ); + return xUC->getModel(); + }); + + mxModel->setControlModels( aNewSeq ); +} + +void StdTabController::activateTabOrder( ) +{ + ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() ); + + // Activate tab order for the control container + + Reference< XControl > xC( mxControlContainer, UNO_QUERY ); + Reference< XVclContainerPeer > xVclContainerPeer; + if ( xC.is() ) + xVclContainerPeer.set(xC->getPeer(), css::uno::UNO_QUERY); + if ( !xC.is() || !xVclContainerPeer.is() ) + return; + + // This may return a TabController, which returns desired list of controls faster + // (the dreaded UNO aggregration, retrieve the thing that we are part of) + Reference<XTabController> xTabController( static_cast<XTabController*>(this), UNO_QUERY ); + + // Get a flattened list of controls sequences + Sequence< Reference< XControlModel > > aModels = mxModel->getControlModels(); + Sequence< Reference< XWindow > > aCompSeq; + Sequence< Any> aTabSeq; + + // DG: For the sake of optimization, retrieve Controls from getControls(), + // this may sound counterproductive, but leads to performance improvements + // in practical scenarios (Forms) + Sequence< Reference< XControl > > aControls = xTabController->getControls(); + + // #58317# Some Models may be missing from the Container. Plus there is a + // autoTabOrder call later on. + if( !ImplCreateComponentSequence( aControls, aModels, aCompSeq, &aTabSeq, true ) ) + return; + + xVclContainerPeer->setTabOrder( aCompSeq, aTabSeq, mxModel->getGroupControl() ); + + OUString aName; + Sequence< Reference< XControlModel > > aThisGroupModels; + Sequence< Reference< XWindow > > aControlComponents; + + sal_uInt32 nGroups = mxModel->getGroupCount(); + for ( sal_uInt32 nG = 0; nG < nGroups; nG++ ) + { + mxModel->getGroup( nG, aThisGroupModels, aName ); + + aControls = xTabController->getControls(); + // ImplCreateComponentSequence has a really strange semantics regarding it's first parameter: + // upon method entry, it expects a super set of the controls which it returns + // this means we need to completely fill this sequence with all available controls before + // calling into ImplCreateComponentSequence + + aControlComponents.realloc( 0 ); + + ImplCreateComponentSequence( aControls, aThisGroupModels, aControlComponents, nullptr, true ); + xVclContainerPeer->setGroup( aControlComponents ); + } +} + +void StdTabController::activateFirst( ) +{ + SolarMutexGuard aSolarGuard; + ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() ); //TODO: necessary? + + ImplActivateControl( true ); +} + +void StdTabController::activateLast( ) +{ + SolarMutexGuard aSolarGuard; + ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() ); //TODO: necessary? + + ImplActivateControl( false ); +} + +OUString StdTabController::getImplementationName() +{ + return "stardiv.Toolkit.StdTabController"; +} + +sal_Bool StdTabController::supportsService(OUString const & ServiceName) +{ + return cppu::supportsService(this, ServiceName); +} + +css::uno::Sequence<OUString> StdTabController::getSupportedServiceNames() +{ + return css::uno::Sequence<OUString>{ + "com.sun.star.awt.TabController", + "stardiv.vcl.control.TabController"}; +} + +Reference< XControl > StdTabController::FindControl( Sequence< Reference< XControl > >& rCtrls, + const Reference< XControlModel > & rxCtrlModel ) +{ + if (!rxCtrlModel.is()) + throw lang::IllegalArgumentException("No valid XControlModel", + uno::Reference<uno::XInterface>(), 0); + + auto pCtrl = std::find_if(rCtrls.begin(), rCtrls.end(), + [&rxCtrlModel](const Reference< XControl >& rCtrl) { + Reference< XControlModel > xModel(rCtrl.is() ? rCtrl->getModel() : Reference< XControlModel > ()); + return xModel.get() == rxCtrlModel.get(); + }); + if (pCtrl != rCtrls.end()) + { + auto n = static_cast<sal_Int32>(std::distance(rCtrls.begin(), pCtrl)); + Reference< XControl > xCtrl( *pCtrl ); + ::comphelper::removeElementAt( rCtrls, n ); + return xCtrl; + } + return Reference< XControl > (); +} + +extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface * +stardiv_Toolkit_StdTabController_get_implementation( + css::uno::XComponentContext *, + css::uno::Sequence<css::uno::Any> const &) +{ + return cppu::acquire(new StdTabController()); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |