Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

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

1 files changed, 1011 insertions, 0 deletions

diff --git a/sc/source/ui/view/hdrcont.cxx b/sc/source/ui/view/hdrcont.cxx
new file mode 100644
index 000000000..a8aeb47f9
--- /dev/null
+++ b/sc/source/ui/view/hdrcont.cxx
@@ -0,0 +1,1011 @@
+/* -*- 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 <sfx2/dispatch.hxx>
+#include <vcl/commandevent.hxx>
+#include <vcl/help.hxx>
+#include <vcl/settings.hxx>
+#include <svtools/colorcfg.hxx>
+
+#include <tabvwsh.hxx>
+#include <hdrcont.hxx>
+#include <scmod.hxx>
+#include <inputopt.hxx>
+#include <gridmerg.hxx>
+#include <document.hxx>
+#include <markdata.hxx>
+#include <tabview.hxx>
+#include <viewdata.hxx>
+
+#define SC_DRAG_MIN     2
+
+//  passes in paint
+//  (selection left/right must be first because the continuous lines
+//  are partly overwritten later)
+
+#define SC_HDRPAINT_SEL_BOTTOM  4
+#define SC_HDRPAINT_BOTTOM      5
+#define SC_HDRPAINT_TEXT        6
+#define SC_HDRPAINT_COUNT       7
+
+ScHeaderControl::ScHeaderControl( vcl::Window* pParent, SelectionEngine* pSelectionEngine,
+                                  SCCOLROW nNewSize, bool bNewVertical, ScTabView* pTab ) :
+            Window      ( pParent ),
+            pSelEngine  ( pSelectionEngine ),
+            bVertical   ( bNewVertical ),
+            nSize       ( nNewSize ),
+            nMarkStart  ( 0 ),
+            nMarkEnd    ( 0 ),
+            bMarkRange  ( false ),
+            bDragging   ( false ),
+            nDragNo     ( 0 ),
+            nDragStart  ( 0 ),
+            nDragPos    ( 0 ),
+            nTipVisible ( nullptr ),
+            bDragMoved  ( false ),
+            bIgnoreMove ( false ),
+            bInRefMode  ( false ),
+            pTabView    ( pTab )
+{
+    // RTL: no default mirroring for this window, the spreadsheet itself
+    // is also not mirrored
+    // mirror the vertical window for correct border drawing
+    // table layout depends on sheet format, not UI setting, so the
+    // borders of the vertical window have to be handled manually, too.
+    EnableRTL( false );
+
+    aNormFont = GetFont();
+    aNormFont.SetTransparent( true );       //! hard-set WEIGHT_NORMAL ???
+    aBoldFont = aNormFont;
+    aBoldFont.SetWeight( WEIGHT_BOLD );
+
+    SetFont(aBoldFont);
+    bBoldSet = true;
+
+    Size aSize = LogicToPixel( Size(
+        GetTextWidth("8888"),
+        GetTextHeight() ) );
+    aSize.AdjustWidth(4 );    // place for highlight border
+    aSize.AdjustHeight(3 );
+    SetSizePixel( aSize );
+
+    nWidth = nSmallWidth = aSize.Width();
+    nBigWidth = LogicToPixel( Size( GetTextWidth("8888888"), 0 ) ).Width() + 5;
+
+    SetBackground();
+}
+
+void ScHeaderControl::SetWidth( long nNew )
+{
+    OSL_ENSURE( bVertical, "SetWidth works only on row headers" );
+    if ( nNew != nWidth )
+    {
+        Size aSize( nNew, GetSizePixel().Height() );
+        SetSizePixel( aSize );
+
+        nWidth = nNew;
+
+        Invalidate();
+    }
+}
+
+ScHeaderControl::~ScHeaderControl()
+{
+}
+
+void ScHeaderControl::DoPaint( SCCOLROW nStart, SCCOLROW nEnd )
+{
+    bool bLayoutRTL = IsLayoutRTL();
+    long nLayoutSign = bLayoutRTL ? -1 : 1;
+
+    tools::Rectangle aRect( Point(0,0), GetOutputSizePixel() );
+    if ( bVertical )
+    {
+        aRect.SetTop( GetScrPos( nStart )-nLayoutSign );      // extra pixel for line at top of selection
+        aRect.SetBottom( GetScrPos( nEnd+1 )-nLayoutSign );
+    }
+    else
+    {
+        aRect.SetLeft( GetScrPos( nStart )-nLayoutSign );     // extra pixel for line left of selection
+        aRect.SetRight( GetScrPos( nEnd+1 )-nLayoutSign );
+    }
+    Invalidate(aRect);
+}
+
+void ScHeaderControl::SetMark( bool bNewSet, SCCOLROW nNewStart, SCCOLROW nNewEnd )
+{
+    bool bEnabled = SC_MOD()->GetInputOptions().GetMarkHeader();    //! cache?
+    if (!bEnabled)
+        bNewSet = false;
+
+    bool bOldSet       = bMarkRange;
+    SCCOLROW nOldStart = nMarkStart;
+    SCCOLROW nOldEnd   = nMarkEnd;
+    PutInOrder( nNewStart, nNewEnd );
+    bMarkRange = bNewSet;
+    nMarkStart = nNewStart;
+    nMarkEnd   = nNewEnd;
+
+    //  Paint
+
+    if ( bNewSet )
+    {
+        if ( bOldSet )
+        {
+            if ( nNewStart == nOldStart )
+            {
+                if ( nNewEnd != nOldEnd )
+                    DoPaint( std::min( nNewEnd, nOldEnd ) + 1, std::max( nNewEnd, nOldEnd ) );
+            }
+            else if ( nNewEnd == nOldEnd )
+                DoPaint( std::min( nNewStart, nOldStart ), std::max( nNewStart, nOldStart ) - 1 );
+            else if ( nNewStart > nOldEnd || nNewEnd < nOldStart )
+            {
+                //  two areas
+                DoPaint( nOldStart, nOldEnd );
+                DoPaint( nNewStart, nNewEnd );
+            }
+            else //  somehow overlapping... (it is not often)
+                DoPaint( std::min( nNewStart, nOldStart ), std::max( nNewEnd, nOldEnd ) );
+        }
+        else
+            DoPaint( nNewStart, nNewEnd );      //  completely new selection
+    }
+    else if ( bOldSet )
+        DoPaint( nOldStart, nOldEnd );          //  cancel selection
+}
+
+long ScHeaderControl::GetScrPos( SCCOLROW nEntryNo ) const
+{
+    long nScrPos;
+
+    long nMax = ( bVertical ? GetOutputSizePixel().Height() : GetOutputSizePixel().Width() ) + 1;
+    if (nEntryNo >= nSize)
+        nScrPos = nMax;
+    else
+    {
+        nScrPos = 0;
+        for (SCCOLROW i=GetPos(); i<nEntryNo && nScrPos<nMax; i++)
+        {
+            sal_uInt16 nAdd = GetEntrySize(i);
+            if (nAdd)
+                nScrPos += nAdd;
+            else
+            {
+                SCCOLROW nHidden = GetHiddenCount(i);
+                if (nHidden > 0)
+                    i += nHidden - 1;
+            }
+        }
+    }
+
+    if ( IsLayoutRTL() )
+        nScrPos = nMax - nScrPos - 2;
+
+    return nScrPos;
+}
+
+void ScHeaderControl::Paint( vcl::RenderContext& /*rRenderContext*/, const tools::Rectangle& rRect )
+{
+    // It is important for VCL to have few calls, that is why the outer lines are
+    // grouped together
+
+    const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings();
+    bool bHighContrast = rStyleSettings.GetHighContrastMode();
+    bool bDark = rStyleSettings.GetFaceColor().IsDark();
+    // Use the same distinction for bDark as in Window::DrawSelectionBackground
+
+    Color aTextColor = rStyleSettings.GetButtonTextColor();
+    Color aSelTextColor = rStyleSettings.GetHighlightTextColor();
+    aNormFont.SetColor( aTextColor );
+    if ( bHighContrast )
+        aBoldFont.SetColor( aTextColor );
+    else
+        aBoldFont.SetColor( aSelTextColor );
+    SetTextColor( ( bBoldSet && !bHighContrast ) ? aSelTextColor : aTextColor );
+
+    Color aSelLineColor = rStyleSettings.GetHighlightColor();
+    aSelLineColor.Merge( COL_BLACK, 0xe0 );        // darken just a little bit
+
+    bool bLayoutRTL = IsLayoutRTL();
+    long nLayoutSign = bLayoutRTL ? -1 : 1;
+    bool bMirrored = IsMirrored();
+
+    OUString            aString;
+    sal_uInt16          nBarSize;
+    Point               aScrPos;
+    Size                aTextSize;
+
+    if (bVertical)
+        nBarSize = static_cast<sal_uInt16>(GetSizePixel().Width());
+    else
+        nBarSize = static_cast<sal_uInt16>(GetSizePixel().Height());
+
+    SCCOLROW    nPos = GetPos();
+
+    long nPStart = bVertical ? rRect.Top() : rRect.Left();
+    long nPEnd = bVertical ? rRect.Bottom() : rRect.Right();
+
+    long nTransStart = nPEnd + 1;
+    long nTransEnd = 0;
+
+    long nInitScrPos = 0;
+    if ( bLayoutRTL )
+    {
+        long nTemp = nPStart;       // swap nPStart / nPEnd
+        nPStart = nPEnd;
+        nPEnd = nTemp;
+        nTemp = nTransStart;        // swap nTransStart / nTransEnd
+        nTransStart = nTransEnd;
+        nTransEnd = nTemp;
+        if ( bVertical )            // start loops from the end
+            nInitScrPos = GetSizePixel().Height() - 1;
+        else
+            nInitScrPos = GetSizePixel().Width() - 1;
+    }
+
+    // complete the painting of the outer lines
+    // first find the end of the last cell
+
+    long nLineEnd = nInitScrPos - nLayoutSign;
+
+    for (SCCOLROW i=nPos; i<nSize; i++)
+    {
+        sal_uInt16 nSizePix = GetEntrySize( i );
+        if (nSizePix)
+        {
+            nLineEnd += nSizePix * nLayoutSign;
+
+            if ( bMarkRange && i >= nMarkStart && i <= nMarkEnd )
+            {
+                long nLineStart = nLineEnd - ( nSizePix - 1 ) * nLayoutSign;
+                if ( nLineStart * nLayoutSign < nTransStart * nLayoutSign )
+                    nTransStart = nLineStart;
+                if ( nLineEnd * nLayoutSign > nTransEnd * nLayoutSign )
+                    nTransEnd = nLineEnd;
+            }
+
+            if ( nLineEnd * nLayoutSign > nPEnd * nLayoutSign )
+            {
+                nLineEnd = nPEnd;
+                break;
+            }
+        }
+        else
+        {
+            SCCOLROW nHidden = GetHiddenCount(i);
+            if (nHidden > 0)
+                i += nHidden - 1;
+        }
+    }
+
+    //  background is different for entry area and behind the entries
+
+    tools::Rectangle aFillRect;
+    SetLineColor();
+
+    if ( nLineEnd * nLayoutSign >= nInitScrPos * nLayoutSign )
+    {
+        SetFillColor( rStyleSettings.GetFaceColor() );
+        if ( bVertical )
+            aFillRect = tools::Rectangle( 0, nInitScrPos, nBarSize-1, nLineEnd );
+        else
+            aFillRect = tools::Rectangle( nInitScrPos, 0, nLineEnd, nBarSize-1 );
+        DrawRect( aFillRect );
+    }
+
+    if ( nLineEnd * nLayoutSign < nPEnd * nLayoutSign )
+    {
+        SetFillColor( SC_MOD()->GetColorConfig().GetColorValue(svtools::APPBACKGROUND).nColor );
+        if ( bVertical )
+            aFillRect = tools::Rectangle( 0, nLineEnd+nLayoutSign, nBarSize-1, nPEnd );
+        else
+            aFillRect = tools::Rectangle( nLineEnd+nLayoutSign, 0, nPEnd, nBarSize-1 );
+        DrawRect( aFillRect );
+    }
+
+    if ( nLineEnd * nLayoutSign >= nPStart * nLayoutSign )
+    {
+        if ( nTransEnd * nLayoutSign >= nTransStart * nLayoutSign )
+        {
+            if (bVertical)
+                aFillRect = tools::Rectangle( 0, nTransStart, nBarSize-1, nTransEnd );
+            else
+                aFillRect = tools::Rectangle( nTransStart, 0, nTransEnd, nBarSize-1 );
+
+            if ( bHighContrast )
+            {
+                if ( bDark )
+                {
+                    //  solid grey background for dark face color is drawn before lines
+                    SetLineColor();
+                    SetFillColor( COL_LIGHTGRAY );
+                    DrawRect( aFillRect );
+                }
+            }
+            else
+            {
+                // background for selection
+                SetLineColor();
+                SetFillColor( rStyleSettings.GetHighlightColor() );
+                DrawRect( aFillRect );
+            }
+        }
+
+        SetLineColor( rStyleSettings.GetDarkShadowColor() );
+        if (bVertical)
+        {
+            long nDarkPos = bMirrored ? 0 : nBarSize-1;
+            DrawLine( Point( nDarkPos, nPStart ), Point( nDarkPos, nLineEnd ) );
+        }
+        else
+            DrawLine( Point( nPStart, nBarSize-1 ), Point( nLineEnd, nBarSize-1 ) );
+
+        // line in different color for selection
+        if ( nTransEnd * nLayoutSign >= nTransStart * nLayoutSign && !bHighContrast )
+        {
+            SetLineColor( aSelLineColor );
+            if (bVertical)
+            {
+                long nDarkPos = bMirrored ? 0 : nBarSize-1;
+                DrawLine( Point( nDarkPos, nTransStart ), Point( nDarkPos, nTransEnd ) );
+            }
+            else
+                DrawLine( Point( nTransStart, nBarSize-1 ), Point( nTransEnd, nBarSize-1 ) );
+        }
+    }
+
+    //  loop through entries several times to avoid changing the line color too often
+    //  and to allow merging of lines
+
+    ScGridMerger aGrid( this, 1, 1 );
+
+    //  start at SC_HDRPAINT_BOTTOM instead of 0 - selection doesn't get different
+    //  borders, light border at top isn't used anymore
+    //  use SC_HDRPAINT_SEL_BOTTOM for different color
+
+    for (sal_uInt16 nPass = SC_HDRPAINT_SEL_BOTTOM; nPass < SC_HDRPAINT_COUNT; nPass++)
+    {
+        //  set line color etc. before entry loop
+        switch ( nPass )
+        {
+            case SC_HDRPAINT_SEL_BOTTOM:
+                // same as non-selected for high contrast
+                SetLineColor( bHighContrast ? rStyleSettings.GetDarkShadowColor() : aSelLineColor );
+                break;
+            case SC_HDRPAINT_BOTTOM:
+                SetLineColor( rStyleSettings.GetDarkShadowColor() );
+                break;
+            case SC_HDRPAINT_TEXT:
+                // DrawSelectionBackground is used only for high contrast on light background
+                if ( nTransEnd * nLayoutSign >= nTransStart * nLayoutSign && bHighContrast && !bDark )
+                {
+                    //  Transparent selection background is drawn after lines, before text.
+                    //  Use DrawSelectionBackground to make sure there is a visible
+                    //  difference. The case of a dark face color, where DrawSelectionBackground
+                    //  would just paint over the lines, is handled separately (bDark).
+                    //  Otherwise, GetHighlightColor is used with 80% transparency.
+                    //  The window's background color (SetBackground) has to be the background
+                    //  of the cell area, for the contrast comparison in DrawSelectionBackground.
+
+                    tools::Rectangle aTransRect;
+                    if (bVertical)
+                        aTransRect = tools::Rectangle( 0, nTransStart, nBarSize-1, nTransEnd );
+                    else
+                        aTransRect = tools::Rectangle( nTransStart, 0, nTransEnd, nBarSize-1 );
+                    SetBackground( rStyleSettings.GetFaceColor() );
+                    DrawSelectionBackground( aTransRect, 0, true, false );
+                    SetBackground();
+                }
+                break;
+        }
+
+        SCCOLROW    nCount=0;
+        long    nScrPos=nInitScrPos;
+        do
+        {
+            if (bVertical)
+                aScrPos = Point( 0, nScrPos );
+            else
+                aScrPos = Point( nScrPos, 0 );
+
+            SCCOLROW    nEntryNo = nCount + nPos;
+            if ( nEntryNo >= nSize )                // rDoc.MaxCol()/rDoc.MaxRow()
+                nScrPos = nPEnd + nLayoutSign;      //  beyond nPEnd -> stop
+            else
+            {
+                sal_uInt16 nSizePix = GetEntrySize( nEntryNo );
+
+                if (nSizePix == 0)
+                {
+                    SCCOLROW nHidden = GetHiddenCount(nEntryNo);
+                    if (nHidden > 0)
+                        nCount += nHidden - 1;
+                }
+                else if ((nScrPos+nSizePix*nLayoutSign)*nLayoutSign >= nPStart*nLayoutSign)
+                {
+                    Point aEndPos(aScrPos);
+                    if (bVertical)
+                        aEndPos = Point( aScrPos.X()+nBarSize-1, aScrPos.Y()+(nSizePix-1)*nLayoutSign );
+                    else
+                        aEndPos = Point( aScrPos.X()+(nSizePix-1)*nLayoutSign, aScrPos.Y()+nBarSize-1 );
+
+                    bool bMark = bMarkRange && nEntryNo >= nMarkStart && nEntryNo <= nMarkEnd;
+                    bool bNextToMark = bMarkRange && nEntryNo + 1 >= nMarkStart && nEntryNo <= nMarkEnd;
+
+                    switch ( nPass )
+                    {
+                        case SC_HDRPAINT_SEL_BOTTOM:
+                        case SC_HDRPAINT_BOTTOM:
+                            if ( nPass == ( bNextToMark ? SC_HDRPAINT_SEL_BOTTOM : SC_HDRPAINT_BOTTOM ) )
+                            {
+                                if (bVertical)
+                                    aGrid.AddHorLine(/* here we work in pixels */ true, aScrPos.X(), aEndPos.X(), aEndPos.Y());
+                                else
+                                    aGrid.AddVerLine(/* here we work in pixels */ true, aEndPos.X(), aScrPos.Y(), aEndPos.Y());
+
+                                //  thick bottom for hidden rows
+                                //  (drawn directly, without aGrid)
+                                if ( nEntryNo+1 < nSize )
+                                    if ( GetEntrySize(nEntryNo+1)==0 )
+                                    {
+                                        if (bVertical)
+                                            DrawLine( Point(aScrPos.X(),aEndPos.Y()-nLayoutSign),
+                                                      Point(aEndPos.X(),aEndPos.Y()-nLayoutSign) );
+                                        else
+                                            DrawLine( Point(aEndPos.X()-nLayoutSign,aScrPos.Y()),
+                                                      Point(aEndPos.X()-nLayoutSign,aEndPos.Y()) );
+                                    }
+                            }
+                            break;
+
+                        case SC_HDRPAINT_TEXT:
+                            if ( nSizePix > 1 )     // minimal check for small columns/rows
+                            {
+                                if ( bMark != bBoldSet )
+                                {
+                                    if (bMark)
+                                        SetFont(aBoldFont);
+                                    else
+                                        SetFont(aNormFont);
+                                    bBoldSet = bMark;
+                                }
+                                aString = GetEntryText( nEntryNo );
+                                aTextSize.setWidth( GetTextWidth( aString ) );
+                                aTextSize.setHeight( GetTextHeight() );
+
+                                Point aTxtPos(aScrPos);
+                                if (bVertical)
+                                {
+                                    aTxtPos.AdjustX((nBarSize-aTextSize.Width())/2 );
+                                    aTxtPos.AdjustY((nSizePix*nLayoutSign-aTextSize.Height())/2 );
+                                    if ( bMirrored )
+                                        aTxtPos.AdjustX(1 );   // dark border is left instead of right
+                                }
+                                else
+                                {
+                                    aTxtPos.AdjustX((nSizePix*nLayoutSign-aTextSize.Width()+1)/2 );
+                                    aTxtPos.AdjustY((nBarSize-aTextSize.Height())/2 );
+                                }
+                                DrawText( aTxtPos, aString );
+                            }
+                            break;
+                    }
+
+                    // when selecting the complete row/column:
+                    //  InvertRect( Rectangle( aScrPos, aEndPos ) );
+                }
+                nScrPos += nSizePix * nLayoutSign;      // also if before the visible area
+            }
+            ++nCount;
+        }
+        while ( nScrPos * nLayoutSign <= nPEnd * nLayoutSign );
+
+        aGrid.Flush();
+    }
+}
+
+SCCOLROW ScHeaderControl::GetMousePos( const MouseEvent& rMEvt, bool& rBorder ) const
+{
+    bool        bFound = false;
+    SCCOLROW    nPos = GetPos();
+    SCCOLROW    nHitNo = nPos;
+    SCCOLROW    nEntryNo = 1 + nPos;
+    long    nScrPos;
+    long    nMousePos = bVertical ? rMEvt.GetPosPixel().Y() : rMEvt.GetPosPixel().X();
+    long    nDif;
+    Size    aSize = GetOutputSizePixel();
+    long    nWinSize = bVertical ? aSize.Height() : aSize.Width();
+
+    bool bLayoutRTL = IsLayoutRTL();
+    long nLayoutSign = bLayoutRTL ? -1 : 1;
+    long nEndPos = bLayoutRTL ? -1 : nWinSize;
+
+    nScrPos = GetScrPos( nPos ) - nLayoutSign;
+    do
+    {
+        if (nEntryNo > nSize)
+            nScrPos = nEndPos + nLayoutSign;
+        else
+            nScrPos += GetEntrySize( nEntryNo - 1 ) * nLayoutSign;      //! GetHiddenCount() ??
+
+        nDif = nMousePos - nScrPos;
+        if (nDif >= -2 && nDif <= 2)
+        {
+            bFound = true;
+            nHitNo=nEntryNo-1;
+        }
+        else if (nDif * nLayoutSign >= 0 && nEntryNo < nSize)
+            nHitNo = nEntryNo;
+        ++nEntryNo;
+    }
+    while ( nScrPos * nLayoutSign < nEndPos * nLayoutSign && nDif * nLayoutSign > 0 );
+
+    rBorder = bFound;
+    return nHitNo;
+}
+
+bool ScHeaderControl::IsSelectionAllowed(SCCOLROW nPos) const
+{
+    ScTabViewShell* pViewSh = dynamic_cast<ScTabViewShell*>(SfxViewShell::Current());
+    if (!pViewSh)
+        return false;
+
+    ScViewData& rViewData = pViewSh->GetViewData();
+    sal_uInt16 nTab = rViewData.GetTabNo();
+    ScDocument* pDoc = rViewData.GetDocument();
+    const ScTableProtection* pProtect = pDoc->GetTabProtection(nTab);
+    bool bSelectAllowed = true;
+    if ( pProtect && pProtect->isProtected() )
+    {
+        // This sheet is protected.  Check if a context menu is allowed on this cell.
+        bool bCellsProtected = false;
+        if (bVertical)
+        {
+            // row header
+            SCROW nRPos = static_cast<SCROW>(nPos);
+            bCellsProtected = pDoc->HasAttrib(0, nRPos, nTab, pDoc->MaxCol(), nRPos, nTab, HasAttrFlags::Protected);
+        }
+        else
+        {
+            // column header
+            SCCOL nCPos = static_cast<SCCOL>(nPos);
+            bCellsProtected = pDoc->HasAttrib(nCPos, 0, nTab, nCPos, pDoc->MaxRow(), nTab, HasAttrFlags::Protected);
+        }
+
+        bool bSelProtected   = pProtect->isOptionEnabled(ScTableProtection::SELECT_LOCKED_CELLS);
+        bool bSelUnprotected = pProtect->isOptionEnabled(ScTableProtection::SELECT_UNLOCKED_CELLS);
+
+        if (bCellsProtected)
+            bSelectAllowed = bSelProtected;
+        else
+            bSelectAllowed = bSelUnprotected;
+    }
+    return bSelectAllowed;
+}
+
+void ScHeaderControl::MouseButtonDown( const MouseEvent& rMEvt )
+{
+    if (IsDisabled())
+        return;
+
+    bIgnoreMove = false;
+    SelectWindow();
+
+    bool bIsBorder;
+    SCCOLROW nHitNo = GetMousePos( rMEvt, bIsBorder );
+    if (!IsSelectionAllowed(nHitNo))
+        return;
+    if ( ! rMEvt.IsLeft() )
+        return;
+    if ( SC_MOD()->IsFormulaMode() )
+    {
+        if( !pTabView )
+            return;
+        SCTAB nTab = pTabView->GetViewData().GetTabNo();
+        if( !rMEvt.IsShift() )
+            pTabView->DoneRefMode( rMEvt.IsMod1() );
+        ScTabViewShell* pViewSh = dynamic_cast<ScTabViewShell*>(SfxViewShell::Current());
+        ScDocument* pDoc = pViewSh->GetViewData().GetDocument();
+        if( !bVertical )
+        {
+            pTabView->InitRefMode( nHitNo, 0, nTab, SC_REFTYPE_REF );
+            pTabView->UpdateRef( nHitNo, pDoc->MaxRow(), nTab );
+        }
+        else
+        {
+            pTabView->InitRefMode( 0, nHitNo, nTab, SC_REFTYPE_REF );
+            pTabView->UpdateRef( pDoc->MaxCol(), nHitNo, nTab );
+        }
+        bInRefMode = true;
+        return;
+    }
+    if ( bIsBorder && ResizeAllowed() )
+    {
+        nDragNo = nHitNo;
+        sal_uInt16 nClicks = rMEvt.GetClicks();
+        if ( nClicks && nClicks%2==0 )
+        {
+            SetEntrySize( nDragNo, HDR_SIZE_OPTIMUM );
+            SetPointer( PointerStyle::Arrow );
+        }
+        else
+        {
+            if (bVertical)
+                nDragStart = rMEvt.GetPosPixel().Y();
+            else
+                nDragStart = rMEvt.GetPosPixel().X();
+            nDragPos = nDragStart;
+            ShowDragHelp();
+            DrawInvert( nDragPos );
+
+            StartTracking();
+            bDragging = true;
+            bDragMoved = false;
+        }
+    }
+    else
+    {
+        pSelEngine->SetWindow( this );
+        tools::Rectangle aVis( Point(), GetOutputSizePixel() );
+        if (bVertical)
+        {
+            aVis.SetLeft( LONG_MIN );
+            aVis.SetRight( LONG_MAX );
+        }
+        else
+        {
+            aVis.SetTop( LONG_MIN );
+            aVis.SetBottom( LONG_MAX );
+        }
+        pSelEngine->SetVisibleArea( aVis );
+
+        SetMarking( true );     //  must precede SelMouseButtonDown
+        pSelEngine->SelMouseButtonDown( rMEvt );
+
+        //  In column/row headers a simple click already is a selection.
+        //  -> Call SelMouseMove to ensure CreateAnchor is called (and DestroyAnchor
+        //  if the next click is somewhere else with Control key).
+        pSelEngine->SelMouseMove( rMEvt );
+
+        if (IsMouseCaptured())
+        {
+            // tracking instead of CaptureMouse, so it can be cancelled cleanly
+            //! someday SelectionEngine itself should call StartTracking!?!
+            ReleaseMouse();
+            StartTracking();
+        }
+    }
+}
+
+void ScHeaderControl::MouseButtonUp( const MouseEvent& rMEvt )
+{
+    if ( IsDisabled() )
+        return;
+
+    if ( SC_MOD()->IsFormulaMode() )
+    {
+        SC_MOD()->EndReference();
+        bInRefMode = false;
+        return;
+    }
+
+    SetMarking( false );
+    bIgnoreMove = false;
+
+    if ( bDragging )
+    {
+        DrawInvert( nDragPos );
+        ReleaseMouse();
+        if (nTipVisible)
+        {
+            Help::HidePopover(this, nTipVisible);
+            nTipVisible = nullptr;
+        }
+        bDragging = false;
+
+        long nScrPos    = GetScrPos( nDragNo );
+        long nMousePos  = bVertical ? rMEvt.GetPosPixel().Y() : rMEvt.GetPosPixel().X();
+        bool bLayoutRTL = IsLayoutRTL();
+        long nNewWidth  = bLayoutRTL ? ( nScrPos - nMousePos + 1 )
+                                     : ( nMousePos + 2 - nScrPos );
+
+        if ( nNewWidth < 0 /* && !IsSelected(nDragNo) */ )
+        {
+            SCCOLROW nStart = 0;
+            SCCOLROW nEnd = nDragNo;
+            while (nNewWidth < 0)
+            {
+                nStart = nDragNo;
+                if (nDragNo>0)
+                {
+                    --nDragNo;
+                    nNewWidth += GetEntrySize( nDragNo );   //! GetHiddenCount() ???
+                }
+                else
+                    nNewWidth = 0;
+            }
+            HideEntries( nStart, nEnd );
+        }
+        else
+        {
+            if (bDragMoved)
+                SetEntrySize( nDragNo, static_cast<sal_uInt16>(nNewWidth) );
+        }
+    }
+    else
+    {
+        pSelEngine->SelMouseButtonUp( rMEvt );
+        ReleaseMouse();
+    }
+}
+
+void ScHeaderControl::MouseMove( const MouseEvent& rMEvt )
+{
+    if ( IsDisabled() )
+    {
+        SetPointer( PointerStyle::Arrow );
+        return;
+    }
+
+    if ( bInRefMode && rMEvt.IsLeft() && SC_MOD()->IsFormulaMode() )
+    {
+        if( !pTabView )
+            return;
+        bool bTmp;
+        SCCOLROW nHitNo = GetMousePos( rMEvt, bTmp );
+        SCTAB nTab = pTabView->GetViewData().GetTabNo();
+        ScTabViewShell* pViewSh = dynamic_cast<ScTabViewShell*>(SfxViewShell::Current());
+        ScDocument* pDoc = pViewSh->GetViewData().GetDocument();
+        if( !bVertical )
+            pTabView->UpdateRef( nHitNo, pDoc->MaxRow(), nTab );
+        else
+            pTabView->UpdateRef( pDoc->MaxCol(), nHitNo, nTab );
+
+        return;
+    }
+
+    if ( bDragging )
+    {
+        long nNewPos = bVertical ? rMEvt.GetPosPixel().Y() : rMEvt.GetPosPixel().X();
+        if ( nNewPos != nDragPos )
+        {
+            DrawInvert( nDragPos );
+            nDragPos = nNewPos;
+            ShowDragHelp();
+            DrawInvert( nDragPos );
+
+            if (nDragPos <= nDragStart-SC_DRAG_MIN || nDragPos >= nDragStart+SC_DRAG_MIN)
+                bDragMoved = true;
+        }
+    }
+    else
+    {
+        bool bIsBorder;
+        (void)GetMousePos( rMEvt, bIsBorder );
+
+        if ( bIsBorder && rMEvt.GetButtons()==0 && ResizeAllowed() )
+            SetPointer( bVertical ? PointerStyle::VSizeBar : PointerStyle::HSizeBar );
+        else
+            SetPointer( PointerStyle::Arrow );
+
+        if (!bIgnoreMove)
+            pSelEngine->SelMouseMove( rMEvt );
+    }
+}
+
+void ScHeaderControl::Tracking( const TrackingEvent& rTEvt )
+{
+    // Distribute the tracking events to the various MouseEvents, because
+    // SelectionEngine does not know anything about Tracking
+
+    if ( rTEvt.IsTrackingCanceled() )
+        StopMarking();
+    else if ( rTEvt.IsTrackingEnded() )
+        MouseButtonUp( rTEvt.GetMouseEvent() );
+    else
+        MouseMove( rTEvt.GetMouseEvent() );
+}
+
+void ScHeaderControl::Command( const CommandEvent& rCEvt )
+{
+    CommandEventId nCmd = rCEvt.GetCommand();
+    if ( nCmd == CommandEventId::ContextMenu )
+    {
+        StopMarking();      // finish selection / dragging
+
+        // execute popup menu
+
+        ScTabViewShell* pViewSh = dynamic_cast< ScTabViewShell *>( SfxViewShell::Current() );
+        if ( pViewSh )
+        {
+            if ( rCEvt.IsMouseEvent() )
+            {
+                // #i18735# select the column/row under the mouse pointer
+                ScViewData& rViewData = pViewSh->GetViewData();
+
+                SelectWindow();     // also deselects drawing objects, stops draw text edit
+                if ( rViewData.HasEditView( rViewData.GetActivePart() ) )
+                    SC_MOD()->InputEnterHandler();  // always end edit mode
+
+                MouseEvent aMEvt( rCEvt.GetMousePosPixel() );
+                bool bBorder;
+                SCCOLROW nPos = GetMousePos( aMEvt, bBorder );
+                if (!IsSelectionAllowed(nPos))
+                    // Selecting this cell is not allowed, neither is context menu.
+                    return;
+
+                SCTAB nTab = rViewData.GetTabNo();
+                ScDocument* pDoc = pViewSh->GetViewData().GetDocument();
+                ScRange aNewRange;
+                if ( bVertical )
+                    aNewRange = ScRange( 0, sal::static_int_cast<SCROW>(nPos), nTab,
+                                         pDoc->MaxCol(), sal::static_int_cast<SCROW>(nPos), nTab );
+                else
+                    aNewRange = ScRange( sal::static_int_cast<SCCOL>(nPos), 0, nTab,
+                                         sal::static_int_cast<SCCOL>(nPos), pDoc->MaxRow(), nTab );
+
+                // see if any part of the range is already selected
+                ScRangeList aRanges;
+                rViewData.GetMarkData().FillRangeListWithMarks( &aRanges, false );
+                bool bSelected = aRanges.Intersects(aNewRange);
+
+                // select the range if no part of it was selected
+                if ( !bSelected )
+                    pViewSh->MarkRange( aNewRange );
+            }
+
+            pViewSh->GetDispatcher()->ExecutePopup( bVertical ? OUString( "rowheader" ) : OUString( "colheader" ) );
+        }
+    }
+    else if ( nCmd == CommandEventId::StartDrag )
+    {
+        pSelEngine->Command( rCEvt );
+    }
+}
+
+void ScHeaderControl::StopMarking()
+{
+    if ( bDragging )
+    {
+        DrawInvert( nDragPos );
+        if (nTipVisible)
+        {
+            Help::HidePopover(this, nTipVisible);
+            nTipVisible = nullptr;
+        }
+        bDragging = false;
+    }
+
+    SetMarking( false );
+    bIgnoreMove = true;
+
+    //  don't call pSelEngine->Reset, so selection across the parts of
+    //  a split/frozen view is possible
+    if (IsMouseCaptured())
+        ReleaseMouse();
+}
+
+void ScHeaderControl::ShowDragHelp()
+{
+    if (Help::IsQuickHelpEnabled())
+    {
+        long nScrPos    = GetScrPos( nDragNo );
+        bool bLayoutRTL = IsLayoutRTL();
+        long nVal = bLayoutRTL ? ( nScrPos - nDragPos + 1 )
+                               : ( nDragPos + 2 - nScrPos );
+
+        OUString aHelpStr = GetDragHelp( nVal );
+        Point aPos = OutputToScreenPixel( Point(0,0) );
+        Size aSize = GetSizePixel();
+
+        Point aMousePos = OutputToScreenPixel(GetPointerPosPixel());
+
+        tools::Rectangle aRect;
+        QuickHelpFlags nAlign;
+        if (!bVertical)
+        {
+            // above
+            aRect.SetLeft( aMousePos.X() );
+            aRect.SetTop( aPos.Y() - 4 );
+            nAlign       = QuickHelpFlags::Bottom|QuickHelpFlags::Center;
+        }
+        else
+        {
+            // top right
+            aRect.SetLeft( aPos.X() + aSize.Width() + 8 );
+            aRect.SetTop( aMousePos.Y() - 2 );
+            nAlign       = QuickHelpFlags::Left|QuickHelpFlags::Bottom;
+        }
+
+        aRect.SetRight( aRect.Left() );
+        aRect.SetBottom( aRect.Top() );
+
+        if (nTipVisible)
+            Help::HidePopover(this, nTipVisible);
+        nTipVisible = Help::ShowPopover(this, aRect, aHelpStr, nAlign);
+    }
+}
+
+void ScHeaderControl::RequestHelp( const HelpEvent& rHEvt )
+{
+    //  If the own QuickHelp is displayed, don't let RequestHelp remove it
+
+    bool bOwn = bDragging && Help::IsQuickHelpEnabled();
+    if (!bOwn)
+        Window::RequestHelp(rHEvt);
+}
+
+//                  dummies for virtual methods
+
+SCCOLROW ScHeaderControl::GetHiddenCount( SCCOLROW nEntryNo ) const
+{
+    SCCOLROW nHidden = 0;
+    while ( nEntryNo < nSize && GetEntrySize( nEntryNo ) == 0 )
+    {
+        ++nEntryNo;
+        ++nHidden;
+    }
+    return nHidden;
+}
+
+bool ScHeaderControl::IsLayoutRTL() const
+{
+    return false;
+}
+
+bool ScHeaderControl::IsMirrored() const
+{
+    return false;
+}
+
+bool ScHeaderControl::IsDisabled() const
+{
+    return false;
+}
+
+bool ScHeaderControl::ResizeAllowed() const
+{
+    return true;
+}
+
+void ScHeaderControl::SelectWindow()
+{
+}
+
+void ScHeaderControl::DrawInvert( long /* nDragPos */ )
+{
+}
+
+OUString ScHeaderControl::GetDragHelp( long /* nVal */ )
+{
+    return EMPTY_OUSTRING;
+}
+
+void ScHeaderControl::SetMarking( bool /* bSet */ )
+{
+}
+
+void ScHeaderControl::GetMarkRange(SCCOLROW& rStart, SCCOLROW& rEnd) const
+{
+    rStart = nMarkStart;
+    rEnd = nMarkEnd;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */