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libreoffice/svx/source/svdraw/sdrpagewindow.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

536 lines
20 KiB
C++

/* -*- 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(u"com.sun.star.awt.UnoControlContainer"_ustr), uno::UNO_QUERY);
uno::Reference< awt::XControlModel > xModel(xFactory->createInstance(u"com.sun.star.awt.UnoControlContainerModel"_ustr), 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/numeric/ftools.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(basegfx::fround<tools::Long>(aBStart.getX()),
basegfx::fround<tools::Long>(aBStart.getY()));
const Point aEnd(basegfx::fround<tools::Long>(aBEnd.getX()),
basegfx::fround<tools::Long>(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 (const rtl::Reference<SdrObject>& pObjB : *rPageView.GetPage())
{
if(dynamic_cast<const SdrPathObj*>( pObjB.get()))
{
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);
// 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 or MasterPage painting for layer painting
const bool bOldPageDecorationAllowed(GetPageView().GetView().IsPageDecorationAllowed());
const bool bOldMasterPageVisualizationAllowed(GetPageView().GetView().IsMasterPageVisualizationAllowed());
GetPageView().GetView().SetPageDecorationAllowed(false);
GetPageView().GetView().SetMasterPageVisualizationAllowed(false);
if (pPageFrame) // Writer page frame for anchor based clipping
{
aDisplayInfo.SetWriterPageFrame(*pPageFrame);
}
// paint page
GetObjectContact().ProcessDisplay(aDisplayInfo);
// reset temporarily changed flags
GetPageView().GetView().SetPageDecorationAllowed(bOldPageDecorationAllowed);
GetPageView().GetView().SetMasterPageVisualizationAllowed(bOldMasterPageVisualizationAllowed);
}
// 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: */