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| -rw-r--r-- | svx/source/svdraw/sdrpagewindow.cxx | 531 |
1 files changed, 531 insertions, 0 deletions
diff --git a/svx/source/svdraw/sdrpagewindow.cxx b/svx/source/svdraw/sdrpagewindow.cxx new file mode 100644 index 000000000..01be77135 --- /dev/null +++ b/svx/source/svdraw/sdrpagewindow.cxx @@ -0,0 +1,531 @@ +/* -*- 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 <svx/sdrpagewindow.hxx> +#include <com/sun/star/awt/XWindow.hpp> +#include <com/sun/star/awt/PosSize.hpp> +#include <com/sun/star/lang/XMultiServiceFactory.hpp> +#include <comphelper/lok.hxx> +#include <comphelper/processfactory.hxx> +#include <toolkit/helper/vclunohelper.hxx> +#include <svx/svdview.hxx> +#include <svx/svdpagv.hxx> +#include <svx/sdrpaintwindow.hxx> +#include <svx/sdr/contact/objectcontactofpageview.hxx> +#include <svx/sdr/contact/displayinfo.hxx> +#include <svx/fmview.hxx> +#include <sfx2/lokhelper.hxx> +#include <svtools/optionsdrawinglayer.hxx> +#include <tools/debug.hxx> +#include <vcl/window.hxx> + +using namespace ::com::sun::star; + +struct SdrPageWindow::Impl +{ + // #110094# ObjectContact section + mutable sdr::contact::ObjectContact* mpObjectContact; + + // the SdrPageView this window belongs to + SdrPageView& mrPageView; + + // the PaintWindow to paint on. Here is access to OutDev etc. + // #i72752# change to pointer to allow patcing it in DrawLayer() if necessary + SdrPaintWindow* mpPaintWindow; + SdrPaintWindow* mpOriginalPaintWindow; + + // UNO stuff for xControls + uno::Reference<awt::XControlContainer> mxControlContainer; + + Impl( SdrPageView& rPageView, SdrPaintWindow& rPaintWindow ) : + mpObjectContact(nullptr), + mrPageView(rPageView), + mpPaintWindow(&rPaintWindow), + mpOriginalPaintWindow(nullptr) + { + } +}; + + +uno::Reference<awt::XControlContainer> const & SdrPageWindow::GetControlContainer( bool _bCreateIfNecessary ) const +{ + if (!mpImpl->mxControlContainer.is() && _bCreateIfNecessary) + { + SdrView& rView = GetPageView().GetView(); + + const SdrPaintWindow& rPaintWindow( GetOriginalPaintWindow() ? *GetOriginalPaintWindow() : GetPaintWindow() ); + if ( rPaintWindow.OutputToWindow() && !rView.IsPrintPreview() ) + { + vcl::Window* pWindow = rPaintWindow.GetOutputDevice().GetOwnerWindow(); + const_cast< SdrPageWindow* >( this )->mpImpl->mxControlContainer = VCLUnoHelper::CreateControlContainer( pWindow ); + + // #100394# xC->setVisible triggers window->Show() and this has + // problems when the view is not completely constructed which may + // happen when loading. This leads to accessibility broadcasts which + // throw asserts due to the not finished view. All this chain can be avoided + // since xC->setVisible is here called only for the side effect in + // UnoControlContainer::setVisible(...) which calls createPeer(...). + // This will now be called directly from here. + + uno::Reference< awt::XControl > xControl(mpImpl->mxControlContainer, uno::UNO_QUERY); + if(xControl.is()) + { + uno::Reference< uno::XInterface > xContext = xControl->getContext(); + if(!xContext.is()) + { + xControl->createPeer( uno::Reference<awt::XToolkit>(), uno::Reference<awt::XWindowPeer>() ); + } + } + } + else + { + // Printer and VirtualDevice, or rather: no OutDev + uno::Reference< lang::XMultiServiceFactory > xFactory( ::comphelper::getProcessServiceFactory() ); + const_cast< SdrPageWindow* >( this )->mpImpl->mxControlContainer.set(xFactory->createInstance("com.sun.star.awt.UnoControlContainer"), uno::UNO_QUERY); + uno::Reference< awt::XControlModel > xModel(xFactory->createInstance("com.sun.star.awt.UnoControlContainerModel"), uno::UNO_QUERY); + uno::Reference< awt::XControl > xControl(mpImpl->mxControlContainer, uno::UNO_QUERY); + if (xControl.is()) + xControl->setModel(xModel); + + OutputDevice& rOutDev = rPaintWindow.GetOutputDevice(); + Point aPosPix = rOutDev.GetMapMode().GetOrigin(); + Size aSizePix = rOutDev.GetOutputSizePixel(); + + uno::Reference< awt::XWindow > xContComp(mpImpl->mxControlContainer, uno::UNO_QUERY); + if( xContComp.is() ) + xContComp->setPosSize(aPosPix.X(), aPosPix.Y(), aSizePix.Width(), aSizePix.Height(), awt::PosSize::POSSIZE); + } + + FmFormView* pViewAsFormView = dynamic_cast< FmFormView* >( &rView ); + if ( pViewAsFormView ) + pViewAsFormView->InsertControlContainer(mpImpl->mxControlContainer); + } + return mpImpl->mxControlContainer; +} + +SdrPageWindow::SdrPageWindow(SdrPageView& rPageView, SdrPaintWindow& rPaintWindow) : + mpImpl(new Impl(rPageView, rPaintWindow)) +{ +} + +SdrPageWindow::~SdrPageWindow() +{ + // #i26631# + ResetObjectContact(); + + if (!mpImpl->mxControlContainer.is()) + return; + + auto & rView = static_cast<SdrPaintView &>(GetPageView().GetView()); + + // notify derived views + FmFormView* pViewAsFormView = dynamic_cast< FmFormView* >( &rView ); + if ( pViewAsFormView ) + pViewAsFormView->RemoveControlContainer(mpImpl->mxControlContainer); + + // dispose the control container + uno::Reference< lang::XComponent > xComponent(mpImpl->mxControlContainer, uno::UNO_QUERY); + xComponent->dispose(); +} + +SdrPageView& SdrPageWindow::GetPageView() const +{ + return mpImpl->mrPageView; +} + +SdrPaintWindow& SdrPageWindow::GetPaintWindow() const +{ + return *mpImpl->mpPaintWindow; +} + +const SdrPaintWindow* SdrPageWindow::GetOriginalPaintWindow() const +{ + return mpImpl->mpOriginalPaintWindow; +} + +// OVERLAY MANAGER +rtl::Reference< sdr::overlay::OverlayManager > const & SdrPageWindow::GetOverlayManager() const +{ + return GetPaintWindow().GetOverlayManager(); +} + +SdrPaintWindow* SdrPageWindow::patchPaintWindow(SdrPaintWindow& rPaintWindow) +{ + if (!mpImpl) + return nullptr; + + if (!mpImpl->mpOriginalPaintWindow) + { + // first patch + mpImpl->mpOriginalPaintWindow = mpImpl->mpPaintWindow; + mpImpl->mpPaintWindow = &rPaintWindow; + mpImpl->mpOriginalPaintWindow->setPatched(&rPaintWindow); + return mpImpl->mpOriginalPaintWindow; + } + else + { + // second or more patch + auto pPreviousPaintWindow = mpImpl->mpPaintWindow; + mpImpl->mpPaintWindow = &rPaintWindow; + mpImpl->mpOriginalPaintWindow->setPatched(&rPaintWindow); + return pPreviousPaintWindow; + } +} + +void SdrPageWindow::unpatchPaintWindow(SdrPaintWindow* pPreviousPaintWindow) +{ + if (pPreviousPaintWindow == mpImpl->mpOriginalPaintWindow) + { + // first patch + mpImpl->mpPaintWindow = mpImpl->mpOriginalPaintWindow; + mpImpl->mpOriginalPaintWindow->setPatched(nullptr); + mpImpl->mpOriginalPaintWindow = nullptr; + } + else + { + // second or more patch + mpImpl->mpPaintWindow = pPreviousPaintWindow; + mpImpl->mpOriginalPaintWindow->setPatched(pPreviousPaintWindow); + } +} + +void SdrPageWindow::PrePaint() +{ + // give OC the chance to do ProcessDisplay preparations + if(HasObjectContact()) + { + GetObjectContact().PrepareProcessDisplay(); + } +} + +void SdrPageWindow::PrepareRedraw(const vcl::Region& rReg) +{ + // give OC the chance to do ProcessDisplay preparations + if(HasObjectContact()) + { + GetObjectContact().PrepareProcessDisplay(); + } + + // if necessary, remember changed RedrawArea at PaintWindow for usage with + // overlay and PreRenderDevice stuff + GetPaintWindow().SetRedrawRegion(rReg); +} + + +// clip test +#ifdef CLIPPER_TEST +#include <svx/svdopath.hxx> +#include <basegfx/polygon/b2dpolygon.hxx> +#include <tools/helpers.hxx> +#include <basegfx/polygon/b2dpolygoncutandtouch.hxx> +#include <basegfx/polygon/b2dpolypolygontools.hxx> +#include <basegfx/polygon/b2dpolygontools.hxx> +#include <basegfx/polygon/b2dpolygonclipper.hxx> + +// for ::std::sort +#include <algorithm> + +namespace +{ + void impPaintStrokePolygon(const basegfx::B2DPolygon& rCandidate, OutputDevice& rOutDev, Color aColor) + { + basegfx::B2DPolygon aCandidate(rCandidate); + + if(aCandidate.areControlPointsUsed()) + { + aCandidate = basegfx::utils::adaptiveSubdivideByAngle(rCandidate); + } + + if(aCandidate.count()) + { + const sal_uInt32 nLoopCount(aCandidate.isClosed() ? aCandidate.count() : aCandidate.count() - 1); + rOutDev.SetFillColor(); + rOutDev.SetLineColor(aColor); + + for(sal_uInt32 a(0); a < nLoopCount; a++) + { + const basegfx::B2DPoint aBStart(aCandidate.getB2DPoint(a)); + const basegfx::B2DPoint aBEnd(aCandidate.getB2DPoint((a + 1) % aCandidate.count())); + const Point aStart(FRound(aBStart.getX()), FRound(aBStart.getY())); + const Point aEnd(FRound(aBEnd.getX()), FRound(aBEnd.getY())); + rOutDev.DrawLine(aStart, aEnd); + } + } + } + + void impTryTest(const SdrPageView& rPageView, OutputDevice& rOutDev) + { + if(rPageView.GetPage() && rPageView.GetPage()->GetObjCount() >= 2) + { + SdrPage* pPage = rPageView.GetPage(); + SdrObject* pObjA = pPage->GetObj(0); + + if(dynamic_cast<const SdrPathObj*>( pObjA)) + { + basegfx::B2DPolyPolygon aPolyA(pObjA->GetPathPoly()); + aPolyA = basegfx::utils::correctOrientations(aPolyA); + + basegfx::B2DPolyPolygon aPolyB; + + for(sal_uInt32 a(1); a < rPageView.GetPage()->GetObjCount(); a++) + { + SdrObject* pObjB = pPage->GetObj(a); + + if(dynamic_cast<const SdrPathObj*>( pObjB)) + { + basegfx::B2DPolyPolygon aCandidate(pObjB->GetPathPoly()); + aCandidate = basegfx::utils::correctOrientations(aCandidate); + aPolyB.append(aCandidate); + } + } + + if(aPolyA.count() && aPolyA.isClosed() && aPolyB.count()) + { + // poly A is the clipregion, clip poly b against it. Algo depends on + // poly b being closed. + basegfx::B2DPolyPolygon aResult(basegfx::utils::clipPolyPolygonOnPolyPolygon(aPolyB, aPolyA)); + + for(auto const& rPolygon : aResult) + { + int nR = comphelper::rng::uniform_int_distribution(0, 254); + int nG = comphelper::rng::uniform_int_distribution(0, 254); + int nB = comphelper::rng::uniform_int_distribution(0, 254); + Color aColor(nR, nG, nB); + impPaintStrokePolygon(rPolygon, rOutDev, aColor); + } + } + } + } + } +} // end of anonymous namespace +#endif // CLIPPER_TEST + + +void SdrPageWindow::RedrawAll( sdr::contact::ViewObjectContactRedirector* pRedirector ) +{ + // set Redirector + GetObjectContact().SetViewObjectContactRedirector(pRedirector); + + // set PaintingPageView + const SdrView& rView = mpImpl->mrPageView.GetView(); + SdrModel& rModel = *(rView.GetModel()); + + // get to be processed layers + const bool bPrinter(GetPaintWindow().OutputToPrinter()); + SdrLayerIDSet aProcessLayers = bPrinter ? mpImpl->mrPageView.GetPrintableLayers() : mpImpl->mrPageView.GetVisibleLayers(); + + // create PaintInfoRec; use Rectangle only temporarily + const vcl::Region& rRegion = GetPaintWindow().GetRedrawRegion(); + + // create processing data + sdr::contact::DisplayInfo aDisplayInfo; + + // Draw all layers. do NOT draw form layer from CompleteRedraw, this is done separately + // as a single layer paint + const SdrLayerAdmin& rLayerAdmin = rModel.GetLayerAdmin(); + const SdrLayerID nControlLayerId = rLayerAdmin.GetLayerID(rLayerAdmin.GetControlLayerName()); + aProcessLayers.Clear(nControlLayerId); + + // still something to paint? + if(!aProcessLayers.IsEmpty()) + { + aDisplayInfo.SetProcessLayers(aProcessLayers); + + // Set region as redraw area + aDisplayInfo.SetRedrawArea(rRegion); + + // Draw/Impress + aDisplayInfo.SetPageProcessingActive(rView.IsPagePaintingAllowed()); // #i72889# + + // paint page + GetObjectContact().ProcessDisplay(aDisplayInfo); + } + + // reset redirector + GetObjectContact().SetViewObjectContactRedirector(nullptr); + + // LineClip test +#ifdef CLIPPER_TEST + if(true) + { + impTryTest(GetPageView(), GetPaintWindow().GetOutputDevice()); + } +#endif // CLIPPER_TEST +} + +void SdrPageWindow::RedrawLayer(const SdrLayerID* pId, + sdr::contact::ViewObjectContactRedirector* pRedirector, + basegfx::B2IRectangle const*const pPageFrame) +{ + // set redirector + GetObjectContact().SetViewObjectContactRedirector(pRedirector); + + // set PaintingPageView + const SdrView& rView = mpImpl->mrPageView.GetView(); + SdrModel& rModel = *(rView.GetModel()); + + // get the layers to process + const bool bPrinter(GetPaintWindow().OutputToPrinter()); + SdrLayerIDSet aProcessLayers = bPrinter ? mpImpl->mrPageView.GetPrintableLayers() : mpImpl->mrPageView.GetVisibleLayers(); + + // is the given layer visible at all? + if(aProcessLayers.IsSet(*pId)) + { + // find out if we are painting the ControlLayer + const SdrLayerAdmin& rLayerAdmin = rModel.GetLayerAdmin(); + const SdrLayerID nControlLayerId = rLayerAdmin.GetLayerID(rLayerAdmin.GetControlLayerName()); + const bool bControlLayerProcessingActive(nControlLayerId == *pId); + + // create PaintInfoRec, use Rectangle only temporarily + const vcl::Region& rRegion = GetPaintWindow().GetRedrawRegion(); + + // create processing data + sdr::contact::DisplayInfo aDisplayInfo; + + // is it the control layer? If Yes, set flag + aDisplayInfo.SetControlLayerProcessingActive(bControlLayerProcessingActive); + + // Draw just the one given layer + aProcessLayers.ClearAll(); + aProcessLayers.Set(*pId); + + aDisplayInfo.SetProcessLayers(aProcessLayers); + + // Set region as redraw area + aDisplayInfo.SetRedrawArea(rRegion); + + // Writer or calc, coming from original RedrawOneLayer. + // #i72889# no page painting for layer painting + aDisplayInfo.SetPageProcessingActive(false); + + if (pPageFrame) // Writer page frame for anchor based clipping + { + aDisplayInfo.SetWriterPageFrame(*pPageFrame); + } + + // paint page + GetObjectContact().ProcessDisplay(aDisplayInfo); + } + + // reset redirector + GetObjectContact().SetViewObjectContactRedirector(nullptr); +} + +// Invalidate call, used from ObjectContact(OfPageView) in InvalidatePartOfView(...) +void SdrPageWindow::InvalidatePageWindow(const basegfx::B2DRange& rRange) +{ + if (GetPageView().IsVisible() && GetPaintWindow().OutputToWindow()) + { + OutputDevice& rWindow(GetPaintWindow().GetOutputDevice()); + basegfx::B2DRange aDiscreteRange(rRange); + aDiscreteRange.transform(rWindow.GetViewTransformation()); + + if (SvtOptionsDrawinglayer::IsAntiAliasing()) + { + // invalidate one discrete unit more under the assumption that AA + // needs one pixel more + aDiscreteRange.grow(1.0); + } + + // If the shapes use negative X coordinates, make them positive before sending + // the invalidation rectangle. + bool bNegativeX = mpImpl->mrPageView.GetView().IsNegativeX(); + + const tools::Rectangle aVCLDiscreteRectangle( + static_cast<tools::Long>(bNegativeX ? std::max(0.0, ceil(-aDiscreteRange.getMaxX())) : floor(aDiscreteRange.getMinX())), + static_cast<tools::Long>(floor(aDiscreteRange.getMinY())), + static_cast<tools::Long>(bNegativeX ? std::max(0.0, floor(-aDiscreteRange.getMinX())) : ceil(aDiscreteRange.getMaxX())), + static_cast<tools::Long>(ceil(aDiscreteRange.getMaxY()))); + + const bool bWasMapModeEnabled(rWindow.IsMapModeEnabled()); + rWindow.EnableMapMode(false); + GetPageView().GetView().InvalidateOneWin(rWindow, aVCLDiscreteRectangle); + rWindow.EnableMapMode(bWasMapModeEnabled); + } + else if (comphelper::LibreOfficeKit::isActive()) + { + // we don't really have to have a paint window with LOK; OTOH we know + // that the drawinglayer units are 100ths of mm, so they are easy to + // convert to twips + + // If the shapes use negative X coordinates, make them positive before sending + // the invalidation rectangle. + bool bNegativeX = mpImpl->mrPageView.GetView().IsNegativeX(); + const tools::Rectangle aRect100thMM( + static_cast<tools::Long>(bNegativeX ? std::max(0.0, ceil(-rRange.getMaxX())) : floor(rRange.getMinX())), + static_cast<tools::Long>(floor(rRange.getMinY())), + static_cast<tools::Long>(bNegativeX ? std::max(0.0, floor(-rRange.getMinX())) : ceil(rRange.getMaxX())), + static_cast<tools::Long>(ceil(rRange.getMaxY()))); + + const tools::Rectangle aRectTwips = o3tl::convert(aRect100thMM, o3tl::Length::mm100, o3tl::Length::twip); + + if (SfxViewShell* pViewShell = SfxViewShell::Current()) + SfxLokHelper::notifyInvalidation(pViewShell, &aRectTwips); + } +} + +// ObjectContact section +const sdr::contact::ObjectContact& SdrPageWindow::GetObjectContact() const +{ + if (!mpImpl->mpObjectContact) + { + mpImpl->mpObjectContact = GetPageView().GetView().createViewSpecificObjectContact( + const_cast<SdrPageWindow&>(*this), + "svx::svdraw::SdrPageWindow mpObjectContact"); + } + + return *mpImpl->mpObjectContact; +} + +sdr::contact::ObjectContact& SdrPageWindow::GetObjectContact() +{ + if (!mpImpl->mpObjectContact) + { + mpImpl->mpObjectContact = GetPageView().GetView().createViewSpecificObjectContact( + *this, + "svx::svdraw::SdrPageWindow mpObjectContact" ); + } + + return *mpImpl->mpObjectContact; +} + +bool SdrPageWindow::HasObjectContact() const +{ + return mpImpl->mpObjectContact != nullptr; +} + +// #i26631# +void SdrPageWindow::ResetObjectContact() +{ + if (mpImpl->mpObjectContact) + { + delete mpImpl->mpObjectContact; + mpImpl->mpObjectContact = nullptr; + } +} + +void SdrPageWindow::SetDesignMode( bool _bDesignMode ) const +{ + const sdr::contact::ObjectContactOfPageView* pOC = dynamic_cast< const sdr::contact::ObjectContactOfPageView* >( &GetObjectContact() ); + DBG_ASSERT( pOC, "SdrPageWindow::SetDesignMode: invalid object contact!" ); + if ( pOC ) + pOC->SetUNOControlsDesignMode( _bDesignMode ); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |