Adding upstream version 4:24.2.0.upstream/4%24.2.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 280 insertions, 0 deletions

diff --git a/sw/source/core/view/vdraw.cxx b/sw/source/core/view/vdraw.cxx
new file mode 100644
index 0000000000..5a95053cd7
--- /dev/null
+++ b/sw/source/core/view/vdraw.cxx
@@ -0,0 +1,280 @@
+/* -*- 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 <officecfg/Office/Common.hxx>
+#include <svx/svdmodel.hxx>
+#include <svx/svdpage.hxx>
+#include <svx/svdpagv.hxx>
+#include <fmtanchr.hxx>
+#include <frmfmt.hxx>
+
+#include <svx/svdoutl.hxx>
+
+#include <drawdoc.hxx>
+#include <fesh.hxx>
+#include <pagefrm.hxx>
+#include <rootfrm.hxx>
+#include <viewimp.hxx>
+#include <dflyobj.hxx>
+#include <printdata.hxx>
+#include <dcontact.hxx>
+#include <dview.hxx>
+#include <flyfrm.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/settings.hxx>
+#include <vcl/canvastools.hxx>
+#include <sal/log.hxx>
+#include <osl/diagnose.h>
+
+#include <basegfx/range/b2irectangle.hxx>
+
+#include <IDocumentDrawModelAccess.hxx>
+
+void SwViewShellImp::StartAction()
+{
+    if ( HasDrawView() )
+    {
+        CurrShell aCurr( GetShell() );
+        if ( auto pFEShell = dynamic_cast<SwFEShell*>( m_pShell) )
+            pFEShell->HideChainMarker(); // might have changed
+    }
+}
+
+void SwViewShellImp::EndAction()
+{
+    if ( HasDrawView() )
+    {
+        CurrShell aCurr( GetShell() );
+        if ( auto pFEShell = dynamic_cast<SwFEShell*>(m_pShell) )
+            pFEShell->SetChainMarker(); // might have changed
+    }
+}
+
+void SwViewShellImp::LockPaint()
+{
+    if ( HasDrawView() )
+    {
+        m_bResetHdlHiddenPaint = !GetDrawView()->areMarkHandlesHidden();
+        GetDrawView()->hideMarkHandles();
+    }
+    else
+    {
+        m_bResetHdlHiddenPaint = false;
+    }
+}
+
+void SwViewShellImp::UnlockPaint()
+{
+    if ( m_bResetHdlHiddenPaint )
+        GetDrawView()->showMarkHandles();
+}
+
+void SwViewShellImp::PaintLayer( const SdrLayerID _nLayerID,
+                            SwPrintData const*const pPrintData,
+                            SwPageFrame const& rPageFrame,
+                            const SwRect& aPaintRect,
+                            const Color* _pPageBackgrdColor,
+                            const bool _bIsPageRightToLeft,
+                            sdr::contact::ViewObjectContactRedirector* pRedirector )
+{
+    if ( !HasDrawView() )
+        return;
+
+    //change the draw mode in high contrast mode
+    OutputDevice* pOutDev = GetShell()->GetOut();
+    DrawModeFlags nOldDrawMode = pOutDev->GetDrawMode();
+    if( GetShell()->GetWin() &&
+        Application::GetSettings().GetStyleSettings().GetHighContrastMode() &&
+        (!GetShell()->IsPreview() || officecfg::Office::Common::Accessibility::IsForPagePreviews::get()))
+    {
+        pOutDev->SetDrawMode( nOldDrawMode | DrawModeFlags::SettingsLine | DrawModeFlags::SettingsFill |
+                            DrawModeFlags::SettingsText | DrawModeFlags::SettingsGradient );
+    }
+
+    // For correct handling of accessibility, high contrast, the
+    // page background color is set as the background color at the
+    // outliner of the draw view.  Only necessary for the layers
+    // hell and heaven
+    Color aOldOutlinerBackgroundColor;
+    // set default horizontal text direction on painting <hell> or
+    // <heaven>.
+    EEHorizontalTextDirection aOldEEHoriTextDir = EEHorizontalTextDirection::L2R;
+    const IDocumentDrawModelAccess& rIDDMA = GetShell()->getIDocumentDrawModelAccess();
+    if ( (_nLayerID == rIDDMA.GetHellId()) ||
+         (_nLayerID == rIDDMA.GetHeavenId()) )
+    {
+        OSL_ENSURE( _pPageBackgrdColor,
+                "incorrect usage of SwViewShellImp::PaintLayer: pPageBackgrdColor have to be set for painting layer <hell> or <heaven>");
+        if ( _pPageBackgrdColor )
+        {
+            aOldOutlinerBackgroundColor =
+                    GetDrawView()->GetModel().GetDrawOutliner().GetBackgroundColor();
+            GetDrawView()->GetModel().GetDrawOutliner().SetBackgroundColor( *_pPageBackgrdColor );
+        }
+
+        aOldEEHoriTextDir =
+            GetDrawView()->GetModel().GetDrawOutliner().GetDefaultHorizontalTextDirection();
+        EEHorizontalTextDirection aEEHoriTextDirOfPage =
+            _bIsPageRightToLeft ? EEHorizontalTextDirection::R2L : EEHorizontalTextDirection::L2R;
+        GetDrawView()->GetModel().GetDrawOutliner().SetDefaultHorizontalTextDirection( aEEHoriTextDirOfPage );
+    }
+
+    pOutDev->Push( vcl::PushFlags::LINECOLOR );
+    if (pPrintData)
+    {
+        // hide drawings but not form controls (form controls are handled elsewhere)
+        SdrView &rSdrView = GetPageView()->GetView();
+        rSdrView.setHideDraw( !pPrintData->IsPrintDraw() );
+    }
+    basegfx::B2IRectangle const pageFrame = vcl::unotools::b2IRectangleFromRectangle(rPageFrame.getFrameArea().SVRect());
+    GetPageView()->DrawLayer(_nLayerID, pOutDev, pRedirector, aPaintRect.SVRect(), &pageFrame);
+    pOutDev->Pop();
+
+    // reset background color of the outliner & default horiz. text dir.
+    if ( (_nLayerID == rIDDMA.GetHellId()) ||
+         (_nLayerID == rIDDMA.GetHeavenId()) )
+    {
+        GetDrawView()->GetModel().GetDrawOutliner().SetBackgroundColor( aOldOutlinerBackgroundColor );
+        GetDrawView()->GetModel().GetDrawOutliner().SetDefaultHorizontalTextDirection( aOldEEHoriTextDir );
+    }
+
+    pOutDev->SetDrawMode( nOldDrawMode );
+
+}
+
+#define FUZZY_EDGE 400
+
+bool SwViewShellImp::IsDragPossible( const Point &rPoint )
+{
+    if ( !HasDrawView() )
+        return false;
+
+    const SdrMarkList &rMrkList = GetDrawView()->GetMarkedObjectList();
+
+    if( !rMrkList.GetMarkCount() )
+        return false;
+
+    SdrObject *pO = rMrkList.GetMark(rMrkList.GetMarkCount()-1)->GetMarkedSdrObj();
+
+    SwRect aRect;
+    if( pO && ::CalcClipRect( pO, aRect, false ) )
+    {
+        SwRect aTmp;
+        ::CalcClipRect( pO, aTmp );
+        aRect.Union( aTmp );
+    }
+    else
+        aRect = GetShell()->GetLayout()->getFrameArea();
+
+    aRect.AddTop   (- FUZZY_EDGE );
+    aRect.AddBottom(  FUZZY_EDGE );
+    aRect.AddLeft  (- FUZZY_EDGE );
+    aRect.AddRight (  FUZZY_EDGE );
+    return aRect.Contains( rPoint );
+}
+
+void SwViewShellImp::NotifySizeChg( const Size &rNewSz )
+{
+    if ( !HasDrawView() )
+        return;
+
+    if ( GetPageView() )
+        GetPageView()->GetPage()->SetSize( rNewSz );
+
+    // Limitation of the work area
+    const tools::Rectangle aDocRect( Point( DOCUMENTBORDER, DOCUMENTBORDER ), rNewSz );
+    const tools::Rectangle &rOldWork = GetDrawView()->GetWorkArea();
+    bool bCheckDrawObjs = false;
+    if ( aDocRect != rOldWork )
+    {
+        if ( rOldWork.Bottom() > aDocRect.Bottom() || rOldWork.Right() > aDocRect.Right())
+            bCheckDrawObjs = true;
+        GetDrawView()->SetWorkArea( aDocRect );
+    }
+    if ( !bCheckDrawObjs )
+        return;
+
+    OSL_ENSURE( m_pShell->getIDocumentDrawModelAccess().GetDrawModel(), "NotifySizeChg without DrawModel" );
+    SdrPage* pPage = m_pShell->getIDocumentDrawModelAccess().GetDrawModel()->GetPage( 0 );
+    for (const rtl::Reference<SdrObject>& pObj : *pPage)
+    {
+        if( dynamic_cast<const SwVirtFlyDrawObj*>( pObj.get()) ==  nullptr )
+        {
+            // Objects not anchored to the frame, do not need to be adjusted
+            const SwContact *pCont = GetUserCall(pObj.get());
+            // this function might be called by the InsertDocument, when
+            // a PageDesc-Attribute is set on a node. Then the SdrObject
+            // must not have an UserCall.
+            if( !pCont )
+                continue;
+            auto pDrawContact = dynamic_cast<const SwDrawContact*>( pCont);
+            if( !pDrawContact )
+                continue;
+
+            const SwFrame *pAnchor = pDrawContact->GetAnchorFrame();
+            if ( !pAnchor || pAnchor->IsInFly() || !pAnchor->isFrameAreaDefinitionValid() ||
+                 !pAnchor->GetUpper() || !pAnchor->FindPageFrame() ||
+                 (RndStdIds::FLY_AS_CHAR == pCont->GetFormat()->GetAnchor().GetAnchorId()) )
+            {
+                continue;
+            }
+            else
+            {
+                // Actually this should never happen but currently layouting
+                // is broken. So don't move anchors, if the page is invalid.
+                // This should be turned into a DBG_ASSERT, once layouting is fixed!
+                const SwPageFrame *pPageFrame = pAnchor->FindPageFrame();
+                if (!pPageFrame || pPageFrame->IsInvalid() ) {
+                    SAL_WARN( "sw.core", "Trying to move anchor from invalid page - fix layouting!" );
+                    continue;
+                }
+            }
+
+            // no move for drawing objects in header/footer
+            if ( pAnchor->FindFooterOrHeader() )
+            {
+                continue;
+            }
+
+            const tools::Rectangle aObjBound( pObj->GetCurrentBoundRect() );
+            if ( !aDocRect.Contains( aObjBound ) )
+            {
+                Size aSz;
+                if ( aObjBound.Left() > aDocRect.Right() )
+                    aSz.setWidth( (aDocRect.Right() - aObjBound.Left()) - MINFLY );
+                if ( aObjBound.Top() > aDocRect.Bottom() )
+                    aSz.setHeight( (aDocRect.Bottom() - aObjBound.Top()) - MINFLY );
+                if ( aSz.Width() || aSz.Height() )
+                    pObj->Move( aSz );
+
+                // Don't let large objects disappear to the top
+                aSz.setWidth(0);
+                aSz.setHeight(0);
+                if ( aObjBound.Right() < aDocRect.Left() )
+                    aSz.setWidth( (aDocRect.Left() - aObjBound.Right()) + MINFLY );
+                if ( aObjBound.Bottom() < aDocRect.Top() )
+                    aSz.setHeight( (aDocRect.Top() - aObjBound.Bottom()) + MINFLY );
+                if ( aSz.Width() || aSz.Height() )
+                    pObj->Move( aSz );
+            }
+        }
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */