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Diffstat (limited to 'svtools/source/brwbox/brwbox1.cxx')
| -rw-r--r-- | svtools/source/brwbox/brwbox1.cxx | 2347 |
1 files changed, 2347 insertions, 0 deletions
diff --git a/svtools/source/brwbox/brwbox1.cxx b/svtools/source/brwbox/brwbox1.cxx new file mode 100644 index 000000000..ee3922582 --- /dev/null +++ b/svtools/source/brwbox/brwbox1.cxx @@ -0,0 +1,2347 @@ +/* -*- 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 <svtools/brwbox.hxx> +#include <svtools/brwhead.hxx> +#include <o3tl/numeric.hxx> +#include <o3tl/safeint.hxx> +#include "datwin.hxx" +#include <tools/debug.hxx> +#include <tools/fract.hxx> +#include <sal/log.hxx> +#include <vcl/scrbar.hxx> +#include <vcl/status.hxx> + +#include <algorithm> +#include <com/sun/star/accessibility/AccessibleTableModelChange.hpp> +#include <com/sun/star/accessibility/AccessibleTableModelChangeType.hpp> +#include <com/sun/star/accessibility/AccessibleEventId.hpp> +#include <tools/multisel.hxx> +#include "brwimpl.hxx" + + +#define SCROLL_FLAGS (ScrollFlags::Clip | ScrollFlags::NoChildren) + +using namespace com::sun::star::accessibility::AccessibleEventId; +using namespace com::sun::star::accessibility::AccessibleTableModelChangeType; +using com::sun::star::accessibility::AccessibleTableModelChange; +using namespace ::com::sun::star::uno; +using namespace svt; + +namespace +{ + void disposeAndClearHeaderCell(::svt::BrowseBoxImpl::THeaderCellMap& _rHeaderCell) + { + ::std::for_each( + _rHeaderCell.begin(), + _rHeaderCell.end(), + ::svt::BrowseBoxImpl::THeaderCellMapFunctorDispose() + ); + _rHeaderCell.clear(); + } +} + +void BrowseBox::ConstructImpl( BrowserMode nMode ) +{ + SAL_INFO("svtools", "BrowseBox:ConstructImpl " << this ); + bMultiSelection = false; + pColSel = nullptr; + pVScroll = nullptr; + pDataWin = VclPtr<BrowserDataWin>::Create( this ).get(); + m_pImpl.reset( new ::svt::BrowseBoxImpl() ); + + InitSettings_Impl( this ); + InitSettings_Impl( pDataWin ); + + bBootstrapped = false; + nDataRowHeight = 0; + nTitleLines = 1; + nFirstCol = 0; + nTopRow = 0; + nCurRow = BROWSER_ENDOFSELECTION; + nCurColId = 0; + bResizing = false; + bSelect = false; + bSelecting = false; + bScrolling = false; + bSelectionIsVisible = false; + bNotToggleSel = false; + bRowDividerDrag = false; + bHit = false; + mbInteractiveRowHeight = false; + bHideSelect = false; + bHideCursor = TRISTATE_FALSE; + nRowCount = 0; + m_bFocusOnlyCursor = true; + m_aCursorColor = COL_TRANSPARENT; + m_nCurrentMode = BrowserMode::NONE; + nControlAreaWidth = USHRT_MAX; + uRow.nSel = BROWSER_ENDOFSELECTION; + + aHScroll->SetLineSize(1); + aHScroll->SetScrollHdl( LINK( this, BrowseBox, ScrollHdl ) ); + pDataWin->Show(); + + SetMode( nMode ); + bSelectionIsVisible = bKeepHighlight; + bHasFocus = HasChildPathFocus(); + pDataWin->nCursorHidden = + ( bHasFocus ? 0 : 1 ) + ( GetUpdateMode() ? 0 : 1 ); +} + +BrowseBox::BrowseBox( vcl::Window* pParent, WinBits nBits, BrowserMode nMode ) + :Control( pParent, nBits | WB_3DLOOK ) + ,DragSourceHelper( this ) + ,DropTargetHelper( this ) + ,aHScroll( VclPtr<ScrollBar>::Create(this, WB_HSCROLL) ) + ,aStatusBar( VclPtr<StatusBar>::Create(this) ) +{ + ConstructImpl( nMode ); +} + +BrowseBox::~BrowseBox() +{ + disposeOnce(); +} + +void BrowseBox::dispose() +{ + SAL_INFO("svtools", "BrowseBox:dispose " << this ); + + if ( m_pImpl->m_pAccessible ) + { + disposeAndClearHeaderCell(m_pImpl->m_aColHeaderCellMap); + disposeAndClearHeaderCell(m_pImpl->m_aRowHeaderCellMap); + m_pImpl->m_pAccessible->dispose(); + } + + Hide(); + pDataWin->pHeaderBar.disposeAndClear(); + pDataWin->pCornerWin.disposeAndClear(); + pDataWin.disposeAndClear(); + pVScroll.disposeAndClear(); + aHScroll.disposeAndClear(); + aStatusBar.disposeAndClear(); + + // free columns-space + mvCols.clear(); + pColSel.reset(); + if ( bMultiSelection ) + delete uRow.pSel; + DragSourceHelper::dispose(); + DropTargetHelper::dispose(); + Control::dispose(); +} + + +short BrowseBox::GetCursorHideCount() const +{ + return pDataWin->nCursorHidden; +} + + +void BrowseBox::DoShowCursor( const char * ) +{ + if (!pDataWin) + return; + short nHiddenCount = --pDataWin->nCursorHidden; + if (PaintCursorIfHiddenOnce()) + { + if (1 == nHiddenCount) + DrawCursor(); + } + else + { + if (0 == nHiddenCount) + DrawCursor(); + } +} + + +void BrowseBox::DoHideCursor( const char * ) +{ + short nHiddenCount = ++pDataWin->nCursorHidden; + if (PaintCursorIfHiddenOnce()) + { + if (2 == nHiddenCount) + DrawCursor(); + } + else + { + if (1 == nHiddenCount) + DrawCursor(); + } +} + + +void BrowseBox::SetRealRowCount( const OUString &rRealRowCount ) +{ + pDataWin->aRealRowCount = rRealRowCount; +} + + +void BrowseBox::SetFont( const vcl::Font& rNewFont ) +{ + pDataWin->SetFont( rNewFont ); + ImpGetDataRowHeight(); +} + +const vcl::Font& BrowseBox::GetFont() const +{ + return pDataWin->GetFont(); +} + +sal_uLong BrowseBox::GetDefaultColumnWidth( const OUString& _rText ) const +{ + return pDataWin->GetTextWidth( _rText ) + pDataWin->GetTextWidth(OUString('0')) * 4; +} + + +void BrowseBox::InsertHandleColumn( sal_uLong nWidth ) +{ + +#if OSL_DEBUG_LEVEL > 0 + OSL_ENSURE( ColCount() == 0 || mvCols[0]->GetId() != HandleColumnId , "BrowseBox::InsertHandleColumn: there is already a handle column" ); + { + for (auto const & col : mvCols) + OSL_ENSURE( col->GetId() != HandleColumnId, "BrowseBox::InsertHandleColumn: there is a non-Handle column with handle ID" ); + } +#endif + + mvCols.insert( mvCols.begin(), std::unique_ptr<BrowserColumn>(new BrowserColumn( 0, OUString(), nWidth, GetZoom() )) ); + FreezeColumn( 0 ); + + // adjust headerbar + if ( pDataWin->pHeaderBar ) + { + pDataWin->pHeaderBar->SetPosSizePixel( + Point(nWidth, 0), + Size( GetOutputSizePixel().Width() - nWidth, GetTitleHeight() ) + ); + } + + ColumnInserted( 0 ); +} + + +void BrowseBox::InsertDataColumn( sal_uInt16 nItemId, const OUString& rText, + long nWidth, HeaderBarItemBits nBits, sal_uInt16 nPos ) +{ + + OSL_ENSURE( nItemId != HandleColumnId, "BrowseBox::InsertDataColumn: nItemId is HandleColumnId" ); + OSL_ENSURE( nItemId != BROWSER_INVALIDID, "BrowseBox::InsertDataColumn: nItemId is reserved value BROWSER_INVALIDID" ); + +#if OSL_DEBUG_LEVEL > 0 + { + for (auto const& col : mvCols) + OSL_ENSURE( col->GetId() != nItemId, "BrowseBox::InsertDataColumn: duplicate column Id" ); + } +#endif + + if ( nPos < mvCols.size() ) + { + mvCols.emplace( mvCols.begin() + nPos, new BrowserColumn( nItemId, rText, nWidth, GetZoom() ) ); + } + else + { + mvCols.emplace_back( new BrowserColumn( nItemId, rText, nWidth, GetZoom() ) ); + } + if ( nCurColId == 0 ) + nCurColId = nItemId; + + if ( pDataWin->pHeaderBar ) + { + // Handle column not in the header bar + sal_uInt16 nHeaderPos = nPos; + if (nHeaderPos != HEADERBAR_APPEND && GetColumnId(0) == HandleColumnId ) + nHeaderPos--; + pDataWin->pHeaderBar->InsertItem( + nItemId, rText, nWidth, nBits, nHeaderPos ); + } + ColumnInserted( nPos ); +} + +sal_uInt16 BrowseBox::ToggleSelectedColumn() +{ + sal_uInt16 nSelectedColId = BROWSER_INVALIDID; + if ( pColSel && pColSel->GetSelectCount() ) + { + DoHideCursor( "ToggleSelectedColumn" ); + ToggleSelection(); + long nSelected = pColSel->FirstSelected(); + if (nSelected != static_cast<long>(SFX_ENDOFSELECTION)) + nSelectedColId = mvCols[nSelected]->GetId(); + pColSel->SelectAll(false); + } + return nSelectedColId; +} + +void BrowseBox::SetToggledSelectedColumn(sal_uInt16 _nSelectedColumnId) +{ + if ( pColSel && _nSelectedColumnId != BROWSER_INVALIDID ) + { + pColSel->Select( GetColumnPos( _nSelectedColumnId ) ); + ToggleSelection(); + SAL_INFO("svtools", "BrowseBox::SetToggledSelectedColumn " << this ); + DoShowCursor( "SetToggledSelectedColumn" ); + } +} + +void BrowseBox::FreezeColumn( sal_uInt16 nItemId ) +{ + // get the position in the current array + size_t nItemPos = GetColumnPos( nItemId ); + if ( nItemPos >= mvCols.size() ) + // not available! + return; + + // doesn't the state change? + if ( mvCols[ nItemPos ]->IsFrozen() ) + return; + + // remark the column selection + sal_uInt16 nSelectedColId = ToggleSelectedColumn(); + + // to be moved? + if ( nItemPos != 0 && !mvCols[ nItemPos-1 ]->IsFrozen() ) + { + // move to the right of the last frozen column + sal_uInt16 nFirstScrollable = FrozenColCount(); + std::unique_ptr<BrowserColumn> pColumn = std::move(mvCols[ nItemPos ]); + mvCols.erase( mvCols.begin() + nItemPos ); + nItemPos = nFirstScrollable; + mvCols.insert( mvCols.begin() + nItemPos, std::move(pColumn) ); + } + + // adjust the number of the first scrollable and visible column + if ( nFirstCol <= nItemPos ) + nFirstCol = nItemPos + 1; + + // toggle the freeze-state of the column + mvCols[ nItemPos ]->Freeze(); + + // align the scrollbar-range + UpdateScrollbars(); + + // repaint + Control::Invalidate(); + pDataWin->Invalidate(); + + // remember the column selection + SetToggledSelectedColumn(nSelectedColId); +} + + +void BrowseBox::SetColumnPos( sal_uInt16 nColumnId, sal_uInt16 nPos ) +{ + // never set pos of the handle column + if ( nColumnId == HandleColumnId ) + return; + + // get the position in the current array + sal_uInt16 nOldPos = GetColumnPos( nColumnId ); + if ( nOldPos >= mvCols.size() ) + // not available! + return; + + // does the state change? + if (nOldPos == nPos) + return; + + // remark the column selection + sal_uInt16 nSelectedColId = ToggleSelectedColumn(); + + // determine old column area + Size aDataWinSize( pDataWin->GetSizePixel() ); + if ( pDataWin->pHeaderBar ) + aDataWinSize.AdjustHeight(pDataWin->pHeaderBar->GetSizePixel().Height() ); + + tools::Rectangle aFromRect( GetFieldRect( nColumnId) ); + aFromRect.AdjustRight(2*MIN_COLUMNWIDTH ); + + sal_uInt16 nNextPos = nOldPos + 1; + if ( nOldPos > nPos ) + nNextPos = nOldPos - 1; + + BrowserColumn *pNextCol = mvCols[ nNextPos ].get(); + tools::Rectangle aNextRect(GetFieldRect( pNextCol->GetId() )); + + // move column internally + { + std::unique_ptr<BrowserColumn> pTemp = std::move(mvCols[nOldPos]); + mvCols.erase( mvCols.begin() + nOldPos ); + mvCols.insert( mvCols.begin() + nPos, std::move(pTemp) ); + } + + // determine new column area + tools::Rectangle aToRect( GetFieldRect( nColumnId ) ); + aToRect.AdjustRight(2*MIN_COLUMNWIDTH ); + + // do scroll, let redraw + if( pDataWin->GetBackground().IsScrollable() ) + { + long nScroll = -aFromRect.GetWidth(); + tools::Rectangle aScrollArea; + if ( nOldPos > nPos ) + { + long nFrozenWidth = GetFrozenWidth(); + if ( aToRect.Left() < nFrozenWidth ) + aToRect.SetLeft( nFrozenWidth ); + aScrollArea = tools::Rectangle(Point(aToRect.Left(),0), + Point(aNextRect.Right(),aDataWinSize.Height())); + nScroll *= -1; // reverse direction + } + else + aScrollArea = tools::Rectangle(Point(aNextRect.Left(),0), + Point(aToRect.Right(),aDataWinSize.Height())); + + pDataWin->Scroll( nScroll, 0, aScrollArea ); + aToRect.SetTop( 0 ); + aToRect.SetBottom( aScrollArea.Bottom() ); + Invalidate( aToRect ); + } + else + pDataWin->Window::Invalidate( InvalidateFlags::NoChildren ); + + // adjust header bar positions + if ( pDataWin->pHeaderBar ) + { + sal_uInt16 nNewPos = nPos; + if ( GetColumnId(0) == HandleColumnId ) + --nNewPos; + pDataWin->pHeaderBar->MoveItem(nColumnId,nNewPos); + } + // remember the column selection + SetToggledSelectedColumn(nSelectedColId); + + if ( !isAccessibleAlive() ) + return; + + commitTableEvent( + TABLE_MODEL_CHANGED, + makeAny( AccessibleTableModelChange( + DELETE, + 0, + GetRowCount(), + nOldPos, + nOldPos + ) + ), + Any() + ); + + commitTableEvent( + TABLE_MODEL_CHANGED, + makeAny( AccessibleTableModelChange( + INSERT, + 0, + GetRowCount(), + nPos, + nPos + ) + ), + Any() + ); + +} + + +void BrowseBox::SetColumnTitle( sal_uInt16 nItemId, const OUString& rTitle ) +{ + + // never set title of the handle-column + if ( nItemId == HandleColumnId ) + return; + + // get the position in the current array + sal_uInt16 nItemPos = GetColumnPos( nItemId ); + if ( nItemPos >= mvCols.size() ) + // not available! + return; + + // does the state change? + BrowserColumn *pCol = mvCols[ nItemPos ].get(); + if ( pCol->Title() == rTitle ) + return; + + OUString sOld(pCol->Title()); + + pCol->Title() = rTitle; + + // adjust headerbar column + if ( pDataWin->pHeaderBar ) + pDataWin->pHeaderBar->SetItemText( nItemId, rTitle ); + else + { + // redraw visible columns + if ( GetUpdateMode() && ( pCol->IsFrozen() || nItemPos > nFirstCol ) ) + Invalidate( tools::Rectangle( Point(0,0), + Size( GetOutputSizePixel().Width(), GetTitleHeight() ) ) ); + } + + if ( isAccessibleAlive() ) + { + commitTableEvent( TABLE_COLUMN_DESCRIPTION_CHANGED, + makeAny( rTitle ), + makeAny( sOld ) + ); + } +} + + +void BrowseBox::SetColumnWidth( sal_uInt16 nItemId, sal_uLong nWidth ) +{ + + // get the position in the current array + size_t nItemPos = GetColumnPos( nItemId ); + if ( nItemPos >= mvCols.size() ) + return; + + // does the state change? + if ( !(nWidth >= LONG_MAX || mvCols[ nItemPos ]->Width() != nWidth) ) + return; + + long nOldWidth = mvCols[ nItemPos ]->Width(); + + // adjust last column, if necessary + if ( IsVisible() && nItemPos == mvCols.size() - 1 ) + { + long nMaxWidth = pDataWin->GetSizePixel().Width(); + nMaxWidth -= pDataWin->bAutoSizeLastCol + ? GetFieldRect(nItemId).Left() + : GetFrozenWidth(); + if ( pDataWin->bAutoSizeLastCol || nWidth > o3tl::make_unsigned(nMaxWidth) ) + { + nWidth = nMaxWidth > 16 ? nMaxWidth : nOldWidth; + } + } + + // OV + // In AutoSizeLastColumn(), we call SetColumnWidth with nWidth==0xffff. + // Thus, check here, if the width has actually changed. + if( static_cast<sal_uLong>(nOldWidth) == nWidth ) + return; + + // do we want to display the change immediately? + bool bUpdate = GetUpdateMode() && + ( mvCols[ nItemPos ]->IsFrozen() || nItemPos >= nFirstCol ); + + if ( bUpdate ) + { + // Selection hidden + DoHideCursor( "SetColumnWidth" ); + ToggleSelection(); + //!pDataWin->Update(); + //!Control::Update(); + } + + // set width + mvCols[ nItemPos ]->SetWidth(nWidth, GetZoom()); + + // scroll and invalidate + if ( bUpdate ) + { + // get X-Pos of the column changed + long nX = 0; + for ( size_t nCol = 0; nCol < nItemPos; ++nCol ) + { + BrowserColumn *pCol = mvCols[ nCol ].get(); + if ( pCol->IsFrozen() || nCol >= nFirstCol ) + nX += pCol->Width(); + } + + // actually scroll+invalidate + pDataWin->SetClipRegion(); + bool bSelVis = bSelectionIsVisible; + bSelectionIsVisible = false; + if( GetBackground().IsScrollable() ) + { + + tools::Rectangle aScrRect( nX + std::min( static_cast<sal_uLong>(nOldWidth), nWidth ), 0, + GetSizePixel().Width() , // the header is longer than the datawin + pDataWin->GetPosPixel().Y() - 1 ); + Control::Scroll( nWidth-nOldWidth, 0, aScrRect, SCROLL_FLAGS ); + aScrRect.SetBottom( pDataWin->GetSizePixel().Height() ); + pDataWin->Scroll( nWidth-nOldWidth, 0, aScrRect, SCROLL_FLAGS ); + tools::Rectangle aInvRect( nX, 0, nX + std::max( nWidth, static_cast<sal_uLong>(nOldWidth) ), USHRT_MAX ); + Control::Invalidate( aInvRect, InvalidateFlags::NoChildren ); + pDataWin->Invalidate( aInvRect ); + } + else + { + Control::Invalidate( InvalidateFlags::NoChildren ); + pDataWin->Window::Invalidate( InvalidateFlags::NoChildren ); + } + + + //!pDataWin->Update(); + //!Control::Update(); + bSelectionIsVisible = bSelVis; + ToggleSelection(); + DoShowCursor( "SetColumnWidth" ); + } + UpdateScrollbars(); + + // adjust headerbar column + if ( pDataWin->pHeaderBar ) + pDataWin->pHeaderBar->SetItemSize( + nItemId ? nItemId : USHRT_MAX - 1, nWidth ); + + // adjust last column + if ( nItemPos != mvCols.size() - 1 ) + AutoSizeLastColumn(); +} + + +void BrowseBox::AutoSizeLastColumn() +{ + if ( pDataWin->bAutoSizeLastCol && + pDataWin->GetUpdateMode() ) + { + sal_uInt16 nId = GetColumnId( static_cast<sal_uInt16>(mvCols.size()) - 1 ); + SetColumnWidth( nId, LONG_MAX ); + ColumnResized( nId ); + } +} + + +void BrowseBox::RemoveColumn( sal_uInt16 nItemId ) +{ + + // get column position + sal_uInt16 nPos = GetColumnPos(nItemId); + if ( nPos >= ColCount() ) + // not available + return; + + // correct column selection + if ( pColSel ) + pColSel->Remove( nPos ); + + // correct column cursor + if ( nCurColId == nItemId ) + nCurColId = 0; + + // delete column + mvCols.erase( mvCols.begin() + nPos ); + if ( nFirstCol >= nPos && nFirstCol > FrozenColCount() ) + { + OSL_ENSURE(nFirstCol > 0,"FirstCol must be greater zero!"); + --nFirstCol; + } + + // handlecolumn not in headerbar + if (nItemId) + { + if ( pDataWin->pHeaderBar ) + pDataWin->pHeaderBar->RemoveItem( nItemId ); + } + else + { + // adjust headerbar + if ( pDataWin->pHeaderBar ) + { + pDataWin->pHeaderBar->SetPosSizePixel( + Point(0, 0), + Size( GetOutputSizePixel().Width(), GetTitleHeight() ) + ); + } + } + + // correct vertical scrollbar + UpdateScrollbars(); + + // trigger repaint, if necessary + if ( GetUpdateMode() ) + { + pDataWin->Invalidate(); + Control::Invalidate(); + if ( pDataWin->bAutoSizeLastCol && nPos ==ColCount() ) + SetColumnWidth( GetColumnId( nPos - 1 ), LONG_MAX ); + } + + if ( !isAccessibleAlive() ) + return; + + commitTableEvent( + TABLE_MODEL_CHANGED, + makeAny( AccessibleTableModelChange( DELETE, + 0, + GetRowCount(), + nPos, + nPos + ) + ), + Any() + ); + + commitHeaderBarEvent( + CHILD, + Any(), + makeAny( CreateAccessibleColumnHeader( nPos ) ), + true + ); +} + + +void BrowseBox::RemoveColumns() +{ + size_t nOldCount = mvCols.size(); + + // remove all columns + mvCols.clear(); + + // correct column selection + if ( pColSel ) + { + pColSel->SelectAll(false); + pColSel->SetTotalRange( Range( 0, 0 ) ); + } + + // correct column cursor + nCurColId = 0; + nFirstCol = 0; + + if ( pDataWin->pHeaderBar ) + pDataWin->pHeaderBar->Clear( ); + + // correct vertical scrollbar + UpdateScrollbars(); + + // trigger repaint if necessary + if ( GetUpdateMode() ) + { + pDataWin->Invalidate(); + Control::Invalidate(); + } + + if ( !isAccessibleAlive() ) + return; + + if ( mvCols.size() == nOldCount ) + return; + + // all columns should be removed, so we remove the column header bar and append it again + // to avoid to notify every column remove + commitBrowseBoxEvent( + CHILD, + Any(), + makeAny(m_pImpl->getAccessibleHeaderBar(vcl::BBTYPE_COLUMNHEADERBAR)) + ); + + // and now append it again + commitBrowseBoxEvent( + CHILD, + makeAny(m_pImpl->getAccessibleHeaderBar(vcl::BBTYPE_COLUMNHEADERBAR)), + Any() + ); + + // notify a table model change + commitTableEvent( + TABLE_MODEL_CHANGED, + makeAny ( AccessibleTableModelChange( DELETE, + 0, + GetRowCount(), + 0, + nOldCount + ) + ), + Any() + ); +} + + +OUString BrowseBox::GetColumnTitle( sal_uInt16 nId ) const +{ + + sal_uInt16 nItemPos = GetColumnPos( nId ); + if ( nItemPos >= mvCols.size() ) + return OUString(); + return mvCols[ nItemPos ]->Title(); +} + + +long BrowseBox::GetRowCount() const +{ + return nRowCount; +} + + +sal_uInt16 BrowseBox::ColCount() const +{ + + return static_cast<sal_uInt16>(mvCols.size()); +} + + +long BrowseBox::ImpGetDataRowHeight() const +{ + + BrowseBox *pThis = const_cast<BrowseBox*>(this); + pThis->nDataRowHeight = pThis->CalcReverseZoom(pDataWin->GetTextHeight() + 2); + pThis->Resize(); + pDataWin->Invalidate(); + return nDataRowHeight; +} + + +void BrowseBox::SetDataRowHeight( long nPixel ) +{ + + nDataRowHeight = CalcReverseZoom(nPixel); + Resize(); + pDataWin->Invalidate(); +} + + +void BrowseBox::SetTitleLines( sal_uInt16 nLines ) +{ + + nTitleLines = nLines; +} + + +long BrowseBox::ScrollColumns( long nCols ) +{ + + if ( nFirstCol + nCols < 0 || + nFirstCol + nCols >= static_cast<long>(mvCols.size()) ) + return 0; + + // implicitly hides cursor while scrolling + StartScroll(); + bScrolling = true; + bool bScrollable = pDataWin->GetBackground().IsScrollable(); + bool bInvalidateView = false; + + // scrolling one column to the right? + if ( nCols == 1 ) + { + // update internal value and scrollbar + ++nFirstCol; + aHScroll->SetThumbPos( nFirstCol - FrozenColCount() ); + + if ( !bScrollable ) + { + bInvalidateView = true; + } + else + { + long nDelta = mvCols[ nFirstCol-1 ]->Width(); + long nFrozenWidth = GetFrozenWidth(); + + tools::Rectangle aScrollRect( Point( nFrozenWidth + nDelta, 0 ), + Size ( GetOutputSizePixel().Width() - nFrozenWidth - nDelta, + GetTitleHeight() - 1 + ) ); + + // scroll the header bar area (if there is no dedicated HeaderBar control) + if ( !pDataWin->pHeaderBar && nTitleLines ) + { + // actually scroll + Scroll( -nDelta, 0, aScrollRect, SCROLL_FLAGS ); + + // invalidate the area of the column which was scrolled out to the left hand side + tools::Rectangle aInvalidateRect( aScrollRect ); + aInvalidateRect.SetLeft( nFrozenWidth ); + aInvalidateRect.SetRight( nFrozenWidth + nDelta - 1 ); + Invalidate( aInvalidateRect ); + } + + // scroll the data-area + aScrollRect.SetBottom( pDataWin->GetOutputSizePixel().Height() ); + + // actually scroll + pDataWin->Scroll( -nDelta, 0, aScrollRect, SCROLL_FLAGS ); + + // invalidate the area of the column which was scrolled out to the left hand side + aScrollRect.SetLeft( nFrozenWidth ); + aScrollRect.SetRight( nFrozenWidth + nDelta - 1 ); + pDataWin->Invalidate( aScrollRect ); + } + } + + // scrolling one column to the left? + else if ( nCols == -1 ) + { + --nFirstCol; + aHScroll->SetThumbPos( nFirstCol - FrozenColCount() ); + + if ( !bScrollable ) + { + bInvalidateView = true; + } + else + { + long nDelta = mvCols[ nFirstCol ]->Width(); + long nFrozenWidth = GetFrozenWidth(); + + tools::Rectangle aScrollRect( Point( nFrozenWidth, 0 ), + Size ( GetOutputSizePixel().Width() - nFrozenWidth, + GetTitleHeight() - 1 + ) ); + + // scroll the header bar area (if there is no dedicated HeaderBar control) + if ( !pDataWin->pHeaderBar && nTitleLines ) + { + Scroll( nDelta, 0, aScrollRect, SCROLL_FLAGS ); + } + + // scroll the data-area + aScrollRect.SetBottom( pDataWin->GetOutputSizePixel().Height() ); + pDataWin->Scroll( nDelta, 0, aScrollRect, SCROLL_FLAGS ); + } + } + else + { + if ( GetUpdateMode() ) + { + Invalidate( tools::Rectangle( + Point( GetFrozenWidth(), 0 ), + Size( GetOutputSizePixel().Width(), GetTitleHeight() ) ) ); + pDataWin->Invalidate( tools::Rectangle( + Point( GetFrozenWidth(), 0 ), + pDataWin->GetSizePixel() ) ); + } + + nFirstCol = nFirstCol + static_cast<sal_uInt16>(nCols); + aHScroll->SetThumbPos( nFirstCol - FrozenColCount() ); + } + + // adjust external headerbar, if necessary + if ( pDataWin->pHeaderBar ) + { + long nWidth = 0; + for ( size_t nCol = 0; + nCol < mvCols.size() && nCol < nFirstCol; + ++nCol ) + { + // not the handle column + if ( mvCols[ nCol ]->GetId() ) + nWidth += mvCols[ nCol ]->Width(); + } + + pDataWin->pHeaderBar->SetOffset( nWidth ); + } + + if( bInvalidateView ) + { + Control::Invalidate( InvalidateFlags::NoChildren ); + pDataWin->Window::Invalidate( InvalidateFlags::NoChildren ); + } + + // implicitly show cursor after scrolling + if ( nCols ) + { + pDataWin->Update(); + PaintImmediately(); + } + bScrolling = false; + EndScroll(); + + return nCols; +} + + +long BrowseBox::ScrollRows( long nRows ) +{ + // compute new top row + long nTmpMin = std::min( static_cast<long>(nTopRow + nRows), static_cast<long>(nRowCount - 1) ); + + long nNewTopRow = std::max<long>( nTmpMin, 0 ); + + if ( nNewTopRow == nTopRow ) + return 0; + + sal_uInt16 nVisibleRows = + static_cast<sal_uInt16>(pDataWin->GetOutputSizePixel().Height() / GetDataRowHeight() + 1); + + VisibleRowsChanged(nNewTopRow, nVisibleRows); + + // compute new top row again (nTopRow might have changed!) + nTmpMin = std::min( static_cast<long>(nTopRow + nRows), static_cast<long>(nRowCount - 1) ); + + nNewTopRow = std::max<long>( nTmpMin, 0 ); + + StartScroll(); + + // scroll area on screen and/or repaint + long nDeltaY = GetDataRowHeight() * ( nNewTopRow - nTopRow ); + long nOldTopRow = nTopRow; + nTopRow = nNewTopRow; + + if ( GetUpdateMode() ) + { + pVScroll->SetRange( Range( 0L, nRowCount ) ); + pVScroll->SetThumbPos( nTopRow ); + + if( pDataWin->GetBackground().IsScrollable() && + std::abs( nDeltaY ) > 0 && + std::abs( nDeltaY ) < pDataWin->GetSizePixel().Height() ) + { + pDataWin->Scroll( 0, static_cast<short>(-nDeltaY), SCROLL_FLAGS ); + } + else + pDataWin->Invalidate(); + + if ( nTopRow - nOldTopRow ) + pDataWin->Update(); + } + + EndScroll(); + + return nTopRow - nOldTopRow; +} + + +void BrowseBox::RowModified( long nRow, sal_uInt16 nColId ) +{ + + if ( !GetUpdateMode() ) + return; + + tools::Rectangle aRect; + if ( nColId == BROWSER_INVALIDID ) + // invalidate the whole row + aRect = tools::Rectangle( Point( 0, (nRow-nTopRow) * GetDataRowHeight() ), + Size( pDataWin->GetSizePixel().Width(), GetDataRowHeight() ) ); + else + { + // invalidate the specific field + aRect = GetFieldRectPixel( nRow, nColId, false ); + } + pDataWin->Invalidate( aRect ); +} + + +void BrowseBox::Clear() +{ + + // adjust the total number of rows + DoHideCursor( "Clear" ); + long nOldRowCount = nRowCount; + nRowCount = 0; + if(bMultiSelection) + { + assert(uRow.pSel); + uRow.pSel->Reset(); + } + else + uRow.nSel = BROWSER_ENDOFSELECTION; + nCurRow = BROWSER_ENDOFSELECTION; + nTopRow = 0; + nCurColId = 0; + + // nFirstCol may not be reset, else the scrolling code will become confused. + // nFirstCol may only be changed when adding or deleting columns + // nFirstCol = 0; -> wrong! + aHScroll->SetThumbPos( 0 ); + pVScroll->SetThumbPos( 0 ); + + Invalidate(); + UpdateScrollbars(); + SetNoSelection(); + DoShowCursor( "Clear" ); + CursorMoved(); + + if ( !isAccessibleAlive() ) + return; + + // all rows should be removed, so we remove the row header bar and append it again + // to avoid to notify every row remove + if ( nOldRowCount == nRowCount ) + return; + + commitBrowseBoxEvent( + CHILD, + Any(), + makeAny( m_pImpl->getAccessibleHeaderBar( vcl::BBTYPE_ROWHEADERBAR ) ) + ); + + // and now append it again + commitBrowseBoxEvent( + CHILD, + makeAny( m_pImpl->getAccessibleHeaderBar( vcl::BBTYPE_ROWHEADERBAR ) ), + Any() + ); + + // notify a table model change + commitTableEvent( + TABLE_MODEL_CHANGED, + makeAny( AccessibleTableModelChange( DELETE, + 0, + nOldRowCount, + 0, + GetColumnCount()) + ), + Any() + ); +} + +void BrowseBox::RowInserted( long nRow, long nNumRows, bool bDoPaint, bool bKeepSelection ) +{ + + if (nRow < 0) + nRow = 0; + else if (nRow > nRowCount) // maximal = nRowCount + nRow = nRowCount; + + if ( nNumRows <= 0 ) + return; + + // adjust total row count + bool bLastRow = nRow >= nRowCount; + nRowCount += nNumRows; + + DoHideCursor( "RowInserted" ); + + // must we paint the new rows? + long nOldCurRow = nCurRow; + Size aSz = pDataWin->GetOutputSizePixel(); + if ( bDoPaint && nRow >= nTopRow && + nRow <= nTopRow + aSz.Height() / GetDataRowHeight() ) + { + long nY = (nRow-nTopRow) * GetDataRowHeight(); + if ( !bLastRow ) + { + // scroll down the rows behind the new row + pDataWin->SetClipRegion(); + if( pDataWin->GetBackground().IsScrollable() ) + { + pDataWin->Scroll( 0, GetDataRowHeight() * nNumRows, + tools::Rectangle( Point( 0, nY ), + Size( aSz.Width(), aSz.Height() - nY ) ), + SCROLL_FLAGS ); + } + else + pDataWin->Window::Invalidate( InvalidateFlags::NoChildren ); + } + else + // scroll would cause a repaint, so we must explicitly invalidate + pDataWin->Invalidate( tools::Rectangle( Point( 0, nY ), + Size( aSz.Width(), nNumRows * GetDataRowHeight() ) ) ); + } + + // correct top row if necessary + if ( nRow < nTopRow ) + nTopRow += nNumRows; + + // adjust the selection + if ( bMultiSelection ) + uRow.pSel->Insert( nRow, nNumRows ); + else if ( uRow.nSel != BROWSER_ENDOFSELECTION && nRow <= uRow.nSel ) + uRow.nSel += nNumRows; + + // adjust the cursor + if ( nCurRow == BROWSER_ENDOFSELECTION ) + GoToRow( 0, false, bKeepSelection ); + else if ( nRow <= nCurRow ) + { + nCurRow += nNumRows; + GoToRow( nCurRow, false, bKeepSelection ); + } + + // adjust the vertical scrollbar + if ( bDoPaint ) + { + UpdateScrollbars(); + AutoSizeLastColumn(); + } + + DoShowCursor( "RowInserted" ); + // notify accessible that rows were inserted + if ( isAccessibleAlive() ) + { + commitTableEvent( + TABLE_MODEL_CHANGED, + makeAny( AccessibleTableModelChange( + INSERT, + nRow, + nRow + nNumRows, + 0, + GetColumnCount() + ) + ), + Any() + ); + + for (long i = nRow+1 ; i <= nRowCount ; ++i) + { + commitHeaderBarEvent( + CHILD, + makeAny( CreateAccessibleRowHeader( i ) ), + Any(), + false + ); + } + } + + if ( nCurRow != nOldCurRow ) + CursorMoved(); + + DBG_ASSERT(nRowCount > 0,"BrowseBox: nRowCount <= 0"); + DBG_ASSERT(nCurRow >= 0,"BrowseBox: nCurRow < 0"); + DBG_ASSERT(nCurRow < nRowCount,"nCurRow >= nRowCount"); +} + + +void BrowseBox::RowRemoved( long nRow, long nNumRows, bool bDoPaint ) +{ + + if ( nRow < 0 ) + nRow = 0; + else if ( nRow >= nRowCount ) + nRow = nRowCount - 1; + + if ( nNumRows <= 0 ) + return; + + if ( nRowCount <= 0 ) + return; + + if ( bDoPaint ) + { + // hide cursor and selection + SAL_INFO("svtools", "BrowseBox::HideCursor " << this ); + ToggleSelection(); + DoHideCursor( "RowRemoved" ); + } + + // adjust total row count + nRowCount -= nNumRows; + if (nRowCount < 0) nRowCount = 0; + long nOldCurRow = nCurRow; + + // adjust the selection + if ( bMultiSelection ) + // uRow.pSel->Remove( nRow, nNumRows ); + for ( long i = 0; i < nNumRows; i++ ) + uRow.pSel->Remove( nRow ); + else if ( nRow < uRow.nSel && uRow.nSel >= nNumRows ) + uRow.nSel -= nNumRows; + else if ( nRow <= uRow.nSel ) + uRow.nSel = BROWSER_ENDOFSELECTION; + + // adjust the cursor + if ( nRowCount == 0 ) // don't compare nRowCount with nNumRows as nNumRows already was subtracted from nRowCount + nCurRow = BROWSER_ENDOFSELECTION; + else if ( nRow < nCurRow ) + { + nCurRow -= std::min( nCurRow - nRow, nNumRows ); + // with the above nCurRow points a) to the first row after the removed block or b) to the same line + // as before, but moved up nNumRows + // case a) needs an additional correction if the last n lines were deleted, as 'the first row after the + // removed block' is an invalid position then + // FS - 09/28/99 - 68429 + if (nCurRow == nRowCount) + --nCurRow; + } + else if( nRow == nCurRow && nCurRow == nRowCount ) + nCurRow = nRowCount-1; + + // is the deleted row visible? + Size aSz = pDataWin->GetOutputSizePixel(); + if ( nRow >= nTopRow && + nRow <= nTopRow + aSz.Height() / GetDataRowHeight() ) + { + if ( bDoPaint ) + { + // scroll up the rows behind the deleted row + // if there are Rows behind + if (nRow < nRowCount) + { + long nY = (nRow-nTopRow) * GetDataRowHeight(); + pDataWin->SetClipRegion(); + if( pDataWin->GetBackground().IsScrollable() ) + { + pDataWin->Scroll( 0, - static_cast<short>(GetDataRowHeight()) * nNumRows, + tools::Rectangle( Point( 0, nY ), Size( aSz.Width(), + aSz.Height() - nY + nNumRows*GetDataRowHeight() ) ), + SCROLL_FLAGS ); + } + else + pDataWin->Window::Invalidate( InvalidateFlags::NoChildren ); + } + else + { + // Repaint the Rect of the deleted row + tools::Rectangle aRect( + Point( 0, (nRow-nTopRow)*GetDataRowHeight() ), + Size( pDataWin->GetSizePixel().Width(), + nNumRows * GetDataRowHeight() ) ); + pDataWin->Invalidate( aRect ); + } + } + } + // is the deleted row above of the visible area? + else if ( nRow < nTopRow ) + nTopRow = nTopRow >= nNumRows ? nTopRow-nNumRows : 0; + + if ( bDoPaint ) + { + // reshow cursor and selection + ToggleSelection(); + SAL_INFO("svtools", "BrowseBox::ShowCursor " << this ); + DoShowCursor( "RowRemoved" ); + + // adjust the vertical scrollbar + UpdateScrollbars(); + AutoSizeLastColumn(); + } + + if ( isAccessibleAlive() ) + { + if ( nRowCount == 0 ) + { + // all columns should be removed, so we remove the column header bar and append it again + // to avoid to notify every column remove + commitBrowseBoxEvent( + CHILD, + Any(), + makeAny( m_pImpl->getAccessibleHeaderBar( vcl::BBTYPE_ROWHEADERBAR ) ) + ); + + // and now append it again + commitBrowseBoxEvent( + CHILD, + makeAny(m_pImpl->getAccessibleHeaderBar(vcl::BBTYPE_ROWHEADERBAR)), + Any() + ); + commitBrowseBoxEvent( + CHILD, + Any(), + makeAny( m_pImpl->getAccessibleTable() ) + ); + + // and now append it again + commitBrowseBoxEvent( + CHILD, + makeAny( m_pImpl->getAccessibleTable() ), + Any() + ); + } + else + { + commitTableEvent( + TABLE_MODEL_CHANGED, + makeAny( AccessibleTableModelChange( + DELETE, + nRow, + nRow + nNumRows, + 0, + GetColumnCount() + ) + ), + Any() + ); + + for (long i = nRow+1 ; i <= (nRow+nNumRows) ; ++i) + { + commitHeaderBarEvent( + CHILD, + Any(), + makeAny( CreateAccessibleRowHeader( i ) ), + false + ); + } + } + } + + if ( nOldCurRow != nCurRow ) + CursorMoved(); + + DBG_ASSERT(nRowCount >= 0,"BrowseBox: nRowCount < 0"); + DBG_ASSERT(nCurRow >= 0 || nRowCount == 0,"BrowseBox: nCurRow < 0 && nRowCount != 0"); + DBG_ASSERT(nCurRow < nRowCount,"nCurRow >= nRowCount"); +} + + +bool BrowseBox::GoToRow( long nRow) +{ + return GoToRow(nRow, false); +} + + +bool BrowseBox::GoToRow( long nRow, bool bRowColMove, bool bKeepSelection ) +{ + + long nOldCurRow = nCurRow; + + // nothing to do? + if ( nRow == nCurRow && ( bMultiSelection || uRow.nSel == nRow ) ) + return true; + + // out of range? + if ( nRow < 0 || nRow >= nRowCount ) + return false; + + // not allowed? + if ( !bRowColMove && !IsCursorMoveAllowed( nRow, nCurColId ) ) + return false; + + // compute the last visible row + Size aSz( pDataWin->GetSizePixel() ); + sal_uInt16 nVisibleRows = sal_uInt16( aSz.Height() / GetDataRowHeight() - 1 ); + long nLastRow = nTopRow + nVisibleRows; + + // suspend Updates + pDataWin->EnterUpdateLock(); + + // remove old highlight, if necessary + if ( !bMultiSelection && !bKeepSelection ) + ToggleSelection(); + DoHideCursor( "GoToRow" ); + + // must we scroll? + bool bWasVisible = bSelectionIsVisible; + if (! bMultiSelection) + { + if( !bKeepSelection ) + bSelectionIsVisible = false; + } + if ( nRow < nTopRow ) + ScrollRows( nRow - nTopRow ); + else if ( nRow > nLastRow ) + ScrollRows( nRow - nLastRow ); + bSelectionIsVisible = bWasVisible; + + // adjust cursor (selection) and thumb + if ( GetUpdateMode() ) + pVScroll->SetThumbPos( nTopRow ); + + // relative positioning (because nCurRow might have changed in the meantime)! + if (nCurRow != BROWSER_ENDOFSELECTION ) + nCurRow = nCurRow + (nRow - nOldCurRow); + + // make sure that the current position is valid + if (nCurRow == BROWSER_ENDOFSELECTION && nRowCount > 0) + nCurRow = 0; + else if ( nCurRow >= nRowCount ) + nCurRow = nRowCount - 1; + aSelRange = Range( nCurRow, nCurRow ); + + // display new highlight if necessary + if ( !bMultiSelection && !bKeepSelection ) + uRow.nSel = nRow; + + // resume Updates + pDataWin->LeaveUpdateLock(); + + // Cursor+Highlight + if ( !bMultiSelection && !bKeepSelection) + ToggleSelection(); + DoShowCursor( "GoToRow" ); + if ( !bRowColMove && nOldCurRow != nCurRow ) + CursorMoved(); + + if ( !bMultiSelection && !bKeepSelection ) + { + if ( !bSelecting ) + Select(); + else + bSelect = true; + } + return true; +} + + +bool BrowseBox::GoToColumnId( sal_uInt16 nColId) +{ + return GoToColumnId(nColId, true); +} + + +bool BrowseBox::GoToColumnId( sal_uInt16 nColId, bool bMakeVisible, bool bRowColMove) +{ + if (!bColumnCursor) + return false; + + // allowed? + if (!bRowColMove && !IsCursorMoveAllowed( nCurRow, nColId ) ) + return false; + + if ( nColId != nCurColId || (bMakeVisible && !IsFieldVisible(nCurRow, nColId, true))) + { + sal_uInt16 nNewPos = GetColumnPos(nColId); + BrowserColumn* pColumn = (nNewPos < mvCols.size()) ? mvCols[ nNewPos ].get() : nullptr; + DBG_ASSERT( pColumn, "no column object - invalid id?" ); + if ( !pColumn ) + return false; + + DoHideCursor( "GoToColumnId" ); + nCurColId = nColId; + + bool bScrolled = false; + + sal_uInt16 nFirstPos = nFirstCol; + sal_uInt16 nWidth = static_cast<sal_uInt16>(pColumn->Width()); + sal_uInt16 nLastPos = GetColumnAtXPosPixel( + pDataWin->GetSizePixel().Width()-nWidth ); + sal_uInt16 nFrozen = FrozenColCount(); + if ( bMakeVisible && nLastPos && + nNewPos >= nFrozen && ( nNewPos < nFirstPos || nNewPos > nLastPos ) ) + { + if ( nNewPos < nFirstPos ) + ScrollColumns( nNewPos-nFirstPos ); + else if ( nNewPos > nLastPos ) + ScrollColumns( nNewPos-nLastPos ); + bScrolled = true; + } + + DoShowCursor( "GoToColumnId" ); + if (!bRowColMove) + { + //try to move to nCurRow, nColId + CursorMoveAttempt aAttempt(nCurRow, nColId, bScrolled); + //Detect if we are already in a call to BrowseBox::GoToColumnId + //but the attempt is impossible and we are simply recursing + //into BrowseBox::GoToColumnId with the same impossible to + //fulfill conditions + if (m_aGotoStack.empty() || aAttempt != m_aGotoStack.top()) + { + m_aGotoStack.push(aAttempt); + CursorMoved(); + m_aGotoStack.pop(); + } + } + return true; + } + return true; +} + + +bool BrowseBox::GoToRowColumnId( long nRow, sal_uInt16 nColId ) +{ + + // out of range? + if ( nRow < 0 || nRow >= nRowCount ) + return false; + + if (!bColumnCursor) + return false; + + // nothing to do ? + if ( nRow == nCurRow && ( bMultiSelection || uRow.nSel == nRow ) && + nColId == nCurColId && IsFieldVisible(nCurRow, nColId, true)) + return true; + + // allowed? + if (!IsCursorMoveAllowed(nRow, nColId)) + return false; + + DoHideCursor( "GoToRowColumnId" ); + bool bMoved = GoToRow(nRow, true) && GoToColumnId(nColId, true, true); + DoShowCursor( "GoToRowColumnId" ); + + if (bMoved) + CursorMoved(); + + return bMoved; +} + + +void BrowseBox::SetNoSelection() +{ + + // is there no selection + if ( ( !pColSel || !pColSel->GetSelectCount() ) && + ( ( !bMultiSelection && uRow.nSel == BROWSER_ENDOFSELECTION ) || + ( bMultiSelection && !uRow.pSel->GetSelectCount() ) ) ) + // nothing to do + return; + + SAL_INFO("svtools", "BrowseBox::HideCursor " << this ); + ToggleSelection(); + + // unselect all + if ( bMultiSelection ) + uRow.pSel->SelectAll(false); + else + uRow.nSel = BROWSER_ENDOFSELECTION; + if ( pColSel ) + pColSel->SelectAll(false); + if ( !bSelecting ) + Select(); + else + bSelect = true; + + // restore screen + SAL_INFO("svtools", "BrowseBox::ShowCursor " << this ); + + if ( isAccessibleAlive() ) + { + commitTableEvent( + SELECTION_CHANGED, + Any(), + Any() + ); + } +} + + +void BrowseBox::SelectAll() +{ + + if ( !bMultiSelection ) + return; + + SAL_INFO("svtools", "BrowseBox::HideCursor " << this ); + ToggleSelection(); + + // select all rows + if ( pColSel ) + pColSel->SelectAll(false); + uRow.pSel->SelectAll(); + + // don't highlight handle column + BrowserColumn *pFirstCol = mvCols[ 0 ].get(); + long nOfsX = pFirstCol->GetId() ? 0 : pFirstCol->Width(); + + // highlight the row selection + if ( !bHideSelect ) + { + tools::Rectangle aHighlightRect; + sal_uInt16 nVisibleRows = + static_cast<sal_uInt16>(pDataWin->GetOutputSizePixel().Height() / GetDataRowHeight() + 1); + for ( long nRow = std::max<long>( nTopRow, uRow.pSel->FirstSelected() ); + nRow != BROWSER_ENDOFSELECTION && nRow < nTopRow + nVisibleRows; + nRow = uRow.pSel->NextSelected() ) + aHighlightRect.Union( tools::Rectangle( + Point( nOfsX, (nRow-nTopRow)*GetDataRowHeight() ), + Size( pDataWin->GetSizePixel().Width(), GetDataRowHeight() ) ) ); + pDataWin->Invalidate( aHighlightRect ); + } + + if ( !bSelecting ) + Select(); + else + bSelect = true; + + // restore screen + SAL_INFO("svtools", "BrowseBox::ShowCursor " << this ); + + if ( !isAccessibleAlive() ) + return; + + commitTableEvent( + SELECTION_CHANGED, + Any(), + Any() + ); + commitHeaderBarEvent( + SELECTION_CHANGED, + Any(), + Any(), + true + ); // column header event + + commitHeaderBarEvent( + SELECTION_CHANGED, + Any(), + Any(), + false + ); // row header event +} + + +void BrowseBox::SelectRow( long nRow, bool _bSelect, bool bExpand ) +{ + + if ( !bMultiSelection ) + { + // deselecting is impossible, selecting via cursor + if ( _bSelect ) + GoToRow(nRow, false); + return; + } + + SAL_INFO("svtools", "BrowseBox::HideCursor " << this ); + + // remove old selection? + if ( !bExpand || !bMultiSelection ) + { + ToggleSelection(); + if ( bMultiSelection ) + uRow.pSel->SelectAll(false); + else + uRow.nSel = BROWSER_ENDOFSELECTION; + if ( pColSel ) + pColSel->SelectAll(false); + } + + // set new selection + if ( !bHideSelect + && ( ( bMultiSelection + && uRow.pSel->GetTotalRange().Max() >= nRow + && uRow.pSel->Select( nRow, _bSelect ) + ) + || ( !bMultiSelection + && ( uRow.nSel = nRow ) != BROWSER_ENDOFSELECTION ) + ) + ) + { + // don't highlight handle column + BrowserColumn *pFirstCol = mvCols[ 0 ].get(); + long nOfsX = pFirstCol->GetId() ? 0 : pFirstCol->Width(); + + // highlight only newly selected part + tools::Rectangle aRect( + Point( nOfsX, (nRow-nTopRow)*GetDataRowHeight() ), + Size( pDataWin->GetSizePixel().Width(), GetDataRowHeight() ) ); + pDataWin->Invalidate( aRect ); + } + + if ( !bSelecting ) + Select(); + else + bSelect = true; + + // restore screen + SAL_INFO("svtools", "BrowseBox::ShowCursor " << this ); + + if ( !isAccessibleAlive() ) + return; + + commitTableEvent( + SELECTION_CHANGED, + Any(), + Any() + ); + commitHeaderBarEvent( + SELECTION_CHANGED, + Any(), + Any(), + false + ); // row header event +} + + +long BrowseBox::GetSelectRowCount() const +{ + + return bMultiSelection ? uRow.pSel->GetSelectCount() : + uRow.nSel == BROWSER_ENDOFSELECTION ? 0 : 1; +} + + +void BrowseBox::SelectColumnPos( sal_uInt16 nNewColPos, bool _bSelect, bool bMakeVisible ) +{ + + if ( !bColumnCursor || nNewColPos == BROWSER_INVALIDID ) + return; + + if ( !bMultiSelection ) + { + if ( _bSelect ) + GoToColumnId( mvCols[ nNewColPos ]->GetId(), bMakeVisible ); + return; + } + else + { + if ( !GoToColumnId( mvCols[ nNewColPos ]->GetId(), bMakeVisible ) ) + return; + } + + SAL_INFO("svtools", "BrowseBox::HideCursor " << this ); + ToggleSelection(); + if ( bMultiSelection ) + uRow.pSel->SelectAll(false); + else + uRow.nSel = BROWSER_ENDOFSELECTION; + pColSel->SelectAll(false); + + if ( pColSel->Select( nNewColPos, _bSelect ) ) + { + // GoToColumnId( mvCols->GetObject(nNewColPos)->GetId(), bMakeVisible ); + + // only highlight painted areas + pDataWin->Update(); + tools::Rectangle aFieldRectPix( GetFieldRectPixel( nCurRow, nCurColId, false ) ); + tools::Rectangle aRect( + Point( aFieldRectPix.Left() - MIN_COLUMNWIDTH, 0 ), + Size( mvCols[ nNewColPos ]->Width(), + pDataWin->GetOutputSizePixel().Height() ) ); + pDataWin->Invalidate( aRect ); + if ( !bSelecting ) + Select(); + else + bSelect = true; + + if ( isAccessibleAlive() ) + { + commitTableEvent( + SELECTION_CHANGED, + Any(), + Any() + ); + commitHeaderBarEvent( + SELECTION_CHANGED, + Any(), + Any(), + true + ); // column header event + } + } + + // restore screen + SAL_INFO("svtools", "BrowseBox::ShowCursor " << this ); +} + + +sal_uInt16 BrowseBox::GetSelectColumnCount() const +{ + + // while bAutoSelect (==!pColSel), 1 if any rows (yes rows!) else none + return pColSel ? static_cast<sal_uInt16>(pColSel->GetSelectCount()) : + nCurRow >= 0 ? 1 : 0; +} + + +long BrowseBox::FirstSelectedColumn( ) const +{ + return pColSel ? pColSel->FirstSelected() : BROWSER_ENDOFSELECTION; +} + + +long BrowseBox::FirstSelectedRow() +{ + + return bMultiSelection ? uRow.pSel->FirstSelected() : uRow.nSel; +} + + +long BrowseBox::NextSelectedRow() +{ + + return bMultiSelection ? uRow.pSel->NextSelected() : BROWSER_ENDOFSELECTION; +} + + +long BrowseBox::LastSelectedRow() +{ + + return bMultiSelection ? uRow.pSel->LastSelected() : uRow.nSel; +} + + +bool BrowseBox::IsRowSelected( long nRow ) const +{ + + return bMultiSelection ? uRow.pSel->IsSelected(nRow) : nRow == uRow.nSel; +} + + +bool BrowseBox::IsColumnSelected( sal_uInt16 nColumnId ) const +{ + + return pColSel ? pColSel->IsSelected( GetColumnPos(nColumnId) ) : + nCurColId == nColumnId; +} + + +void BrowseBox::MakeFieldVisible +( + long nRow, // line number of the field (starting with 0) + sal_uInt16 nColId // column ID of the field +) + +/* [Description] + + Makes visible the field described in 'nRow' and 'nColId' by scrolling + accordingly. + +*/ + +{ + if (!pDataWin) + return; + + Size aTestSize = pDataWin->GetSizePixel(); + + if ( !bBootstrapped || aTestSize.IsEmpty() ) + return; + + // is it visible already? + bool bVisible = IsFieldVisible( nRow, nColId, true/*bComplete*/ ); + if ( bVisible ) + return; + + // calculate column position, field rectangle and painting area + sal_uInt16 nColPos = GetColumnPos( nColId ); + tools::Rectangle aFieldRect = GetFieldRectPixel( nRow, nColId, false ); + tools::Rectangle aDataRect( Point(0, 0), pDataWin->GetSizePixel() ); + + // positioned outside on the left? + if ( nColPos >= FrozenColCount() && nColPos < nFirstCol ) + // => scroll to the right + ScrollColumns( nColPos - nFirstCol ); + + // while outside on the right + while ( aDataRect.Right() < aFieldRect.Right() ) + { + // => scroll to the left + if ( ScrollColumns( 1 ) != 1 ) + // no more need to scroll + break; + aFieldRect = GetFieldRectPixel( nRow, nColId, false ); + } + + // positioned outside above? + if ( nRow < nTopRow ) + // scroll further to the bottom + ScrollRows( nRow - nTopRow ); + + // positioned outside below? + long nBottomRow = nTopRow + GetVisibleRows(); + // decrement nBottomRow to make it the number of the last visible line + // (count starts with 0!). + // Example: BrowseBox contains exactly one entry. nBottomRow := 0 + 1 - 1 + if( nBottomRow ) + nBottomRow--; + + if ( nRow > nBottomRow ) + // scroll further to the top + ScrollRows( nRow - nBottomRow ); +} + + +bool BrowseBox::IsFieldVisible( long nRow, sal_uInt16 nColumnId, + bool bCompletely ) const +{ + + // hidden by frozen column? + sal_uInt16 nColPos = GetColumnPos( nColumnId ); + if ( nColPos >= FrozenColCount() && nColPos < nFirstCol ) + return false; + + tools::Rectangle aRect( ImplFieldRectPixel( nRow, nColumnId ) ); + if ( aRect.IsEmpty() ) + return false; + + // get the visible area + tools::Rectangle aOutRect( Point(0, 0), pDataWin->GetOutputSizePixel() ); + + if ( bCompletely ) + // test if the field is completely visible + return aOutRect.IsInside( aRect ); + else + // test if the field is partly of completely visible + return !aOutRect.Intersection( aRect ).IsEmpty(); +} + + +tools::Rectangle BrowseBox::GetFieldRectPixel( long nRow, sal_uInt16 nColumnId, + bool bRelToBrowser) const +{ + + // get the rectangle relative to DataWin + tools::Rectangle aRect( ImplFieldRectPixel( nRow, nColumnId ) ); + if ( aRect.IsEmpty() ) + return aRect; + + // adjust relative to BrowseBox's output area + Point aTopLeft( aRect.TopLeft() ); + if ( bRelToBrowser ) + { + aTopLeft = pDataWin->OutputToScreenPixel( aTopLeft ); + aTopLeft = ScreenToOutputPixel( aTopLeft ); + } + + return tools::Rectangle( aTopLeft, aRect.GetSize() ); +} + + +tools::Rectangle BrowseBox::GetRowRectPixel( long nRow ) const +{ + + // get the rectangle relative to DataWin + tools::Rectangle aRect; + if ( nTopRow > nRow ) + // row is above visible area + return aRect; + aRect = tools::Rectangle( + Point( 0, GetDataRowHeight() * (nRow-nTopRow) ), + Size( pDataWin->GetOutputSizePixel().Width(), GetDataRowHeight() ) ); + if ( aRect.TopLeft().Y() > pDataWin->GetOutputSizePixel().Height() ) + // row is below visible area + return aRect; + + // adjust relative to BrowseBox's output area + Point aTopLeft( aRect.TopLeft() ); + aTopLeft = pDataWin->OutputToScreenPixel( aTopLeft ); + aTopLeft = ScreenToOutputPixel( aTopLeft ); + + return tools::Rectangle( aTopLeft, aRect.GetSize() ); +} + + +tools::Rectangle BrowseBox::ImplFieldRectPixel( long nRow, sal_uInt16 nColumnId ) const +{ + + // compute the X-coordinate relative to DataWin by accumulation + long nColX = 0; + sal_uInt16 nFrozenCols = FrozenColCount(); + size_t nCol; + for ( nCol = 0; + nCol < mvCols.size() && mvCols[ nCol ]->GetId() != nColumnId; + ++nCol ) + if ( mvCols[ nCol ]->IsFrozen() || nCol >= nFirstCol ) + nColX += mvCols[ nCol ]->Width(); + + if ( nCol >= mvCols.size() || ( nCol >= nFrozenCols && nCol < nFirstCol ) ) + return tools::Rectangle(); + + // compute the Y-coordinate relative to DataWin + long nRowY = GetDataRowHeight(); + if ( nRow != BROWSER_ENDOFSELECTION ) // #105497# OJ + nRowY = ( nRow - nTopRow ) * GetDataRowHeight(); + + // assemble the Rectangle relative to DataWin + return tools::Rectangle( + Point( nColX + MIN_COLUMNWIDTH, nRowY ), + Size( (mvCols[nCol]->Width() == LONG_MAX + ? LONG_MAX - (nColX + MIN_COLUMNWIDTH) : mvCols[ nCol ]->Width() - 2*MIN_COLUMNWIDTH), + GetDataRowHeight() - 1 ) ); +} + + +long BrowseBox::GetRowAtYPosPixel( long nY, bool bRelToBrowser ) const +{ + + // compute the Y-coordinate + if ( bRelToBrowser ) + { + Point aDataTopLeft = pDataWin->OutputToScreenPixel( Point(0, 0) ); + Point aTopLeft = OutputToScreenPixel( Point(0, 0) ); + nY -= aDataTopLeft.Y() - aTopLeft.Y(); + } + + // no row there (e.g. in the header) + if ( nY < 0 || nY >= pDataWin->GetOutputSizePixel().Height() ) + return -1; + + return nY / GetDataRowHeight() + nTopRow; +} + + +tools::Rectangle BrowseBox::GetFieldRect( sal_uInt16 nColumnId ) const +{ + + return GetFieldRectPixel( nCurRow, nColumnId ); +} + + +sal_uInt16 BrowseBox::GetColumnAtXPosPixel( long nX ) const +{ + + // accumulate the widths of the visible columns + long nColX = 0; + for ( size_t nCol = 0; nCol < mvCols.size(); ++nCol ) + { + BrowserColumn *pCol = mvCols[ nCol ].get(); + if ( pCol->IsFrozen() || nCol >= nFirstCol ) + nColX += pCol->Width(); + + if ( nColX > nX ) + return nCol; + } + + return BROWSER_INVALIDID; +} + +bool BrowseBox::ReserveControlArea(sal_uInt16 nWidth) +{ + if (nWidth != nControlAreaWidth) + { + OSL_ENSURE(nWidth,"Control area of 0 is not allowed, Use USHRT_MAX instead!"); + nControlAreaWidth = nWidth; + UpdateScrollbars(); + return true; + } + return false; +} + +tools::Rectangle BrowseBox::GetControlArea() const +{ + auto nHeight = aHScroll->GetSizePixel().Height(); + return tools::Rectangle( + Point( 0, GetOutputSizePixel().Height() - nHeight ), + Size( GetOutputSizePixel().Width() - aHScroll->GetSizePixel().Width(), + nHeight ) ); +} + +void BrowseBox::SetMode( BrowserMode nMode ) +{ + + pDataWin->bAutoHScroll = BrowserMode::AUTO_HSCROLL == ( nMode & BrowserMode::AUTO_HSCROLL ); + pDataWin->bAutoVScroll = BrowserMode::AUTO_VSCROLL == ( nMode & BrowserMode::AUTO_VSCROLL ); + pDataWin->bNoHScroll = BrowserMode::NO_HSCROLL == ( nMode & BrowserMode::NO_HSCROLL ); + pDataWin->bNoVScroll = BrowserMode::NO_VSCROLL == ( nMode & BrowserMode::NO_VSCROLL ); + + DBG_ASSERT( !( pDataWin->bAutoHScroll && pDataWin->bNoHScroll ), + "BrowseBox::SetMode: AutoHScroll *and* NoHScroll?" ); + DBG_ASSERT( !( pDataWin->bAutoVScroll && pDataWin->bNoVScroll ), + "BrowseBox::SetMode: AutoVScroll *and* NoVScroll?" ); + if ( pDataWin->bAutoHScroll ) + pDataWin->bNoHScroll = false; + if ( pDataWin->bAutoVScroll ) + pDataWin->bNoVScroll = false; + + if ( pDataWin->bNoHScroll ) + aHScroll->Hide(); + + nControlAreaWidth = USHRT_MAX; + + long nOldRowSel = bMultiSelection ? uRow.pSel->FirstSelected() : uRow.nSel; + MultiSelection *pOldRowSel = bMultiSelection ? uRow.pSel : nullptr; + + pVScroll.disposeAndClear(); + + bMultiSelection = bool( nMode & BrowserMode::MULTISELECTION ); + bColumnCursor = bool( nMode & BrowserMode::COLUMNSELECTION ); + bKeepHighlight = bool( nMode & BrowserMode::KEEPHIGHLIGHT ); + + bHideSelect = ((nMode & BrowserMode::HIDESELECT) == BrowserMode::HIDESELECT); + // default: do not hide the cursor at all (untaken scrolling and such) + bHideCursor = TRISTATE_FALSE; + + if ( BrowserMode::HIDECURSOR == ( nMode & BrowserMode::HIDECURSOR ) ) + { + bHideCursor = TRISTATE_TRUE; + } + + m_bFocusOnlyCursor = ((nMode & BrowserMode::CURSOR_WO_FOCUS) == BrowserMode::NONE); + + bHLines = ( nMode & BrowserMode::HLINES ) == BrowserMode::HLINES; + bVLines = ( nMode & BrowserMode::VLINES ) == BrowserMode::VLINES; + + constexpr WinBits nVScrollWinBits = WB_VSCROLL; + pVScroll = ( nMode & BrowserMode::TRACKING_TIPS ) == BrowserMode::TRACKING_TIPS + ? VclPtr<BrowserScrollBar>::Create( this, nVScrollWinBits, pDataWin.get() ) + : VclPtr<ScrollBar>::Create( this, nVScrollWinBits ); + pVScroll->SetLineSize( 1 ); + pVScroll->SetPageSize(1); + pVScroll->SetScrollHdl( LINK( this, BrowseBox, ScrollHdl ) ); + + pDataWin->bAutoSizeLastCol = + BrowserMode::AUTOSIZE_LASTCOL == ( nMode & BrowserMode::AUTOSIZE_LASTCOL ); + + // create a headerbar. what happens, if a headerbar has to be created and + // there already are columns? + if ( BrowserMode::HEADERBAR_NEW == ( nMode & BrowserMode::HEADERBAR_NEW ) ) + { + if (!pDataWin->pHeaderBar) + pDataWin->pHeaderBar = CreateHeaderBar( this ); + } + else + { + pDataWin->pHeaderBar.disposeAndClear(); + } + + if ( bColumnCursor ) + { + if (!pColSel) + pColSel.reset(new MultiSelection); + pColSel->SetTotalRange( Range( 0, mvCols.size()-1 ) ); + } + else + { + pColSel.reset(); + } + + if ( bMultiSelection ) + { + if ( pOldRowSel ) + uRow.pSel = pOldRowSel; + else + uRow.pSel = new MultiSelection; + } + else + { + uRow.nSel = nOldRowSel; + delete pOldRowSel; + } + + if ( bBootstrapped ) + { + StateChanged( StateChangedType::InitShow ); + if ( bMultiSelection && !pOldRowSel && + nOldRowSel != BROWSER_ENDOFSELECTION ) + uRow.pSel->Select( nOldRowSel ); + } + + if ( pDataWin ) + pDataWin->Invalidate(); + + // no cursor on handle column + if ( nCurColId == HandleColumnId ) + nCurColId = GetColumnId( 1 ); + + m_nCurrentMode = nMode; +} + + +void BrowseBox::VisibleRowsChanged( long, sal_uInt16 ) +{ + + // old behavior: automatically correct NumRows: + if ( nRowCount < GetRowCount() ) + { + RowInserted(nRowCount,GetRowCount() - nRowCount, false); + } + else if ( nRowCount > GetRowCount() ) + { + RowRemoved(nRowCount-(nRowCount - GetRowCount()),nRowCount - GetRowCount(), false); + } +} + + +bool BrowseBox::IsCursorMoveAllowed( long, sal_uInt16 ) const + +/* [Description] + + This virtual method is always called before the cursor is moved directly. + By means of 'return false', we avoid doing this if e.g. a record + contradicts any rules. + + This method is not called, if the cursor movement results from removing or + deleting a row/column (thus, in cases where only a "cursor correction" happens). + + The base implementation currently always returns true. +*/ + +{ + return true; +} + + +long BrowseBox::GetDataRowHeight() const +{ + return CalcZoom(nDataRowHeight ? nDataRowHeight : ImpGetDataRowHeight()); +} + + +VclPtr<BrowserHeader> BrowseBox::CreateHeaderBar( BrowseBox* pParent ) +{ + VclPtr<BrowserHeader> pNewBar = VclPtr<BrowserHeader>::Create( pParent ); + pNewBar->SetStartDragHdl( LINK( this, BrowseBox, StartDragHdl ) ); + return pNewBar; +} + +void BrowseBox::SetHeaderBar( BrowserHeader* pHeaderBar ) +{ + pDataWin->pHeaderBar.disposeAndClear(); + pDataWin->pHeaderBar = pHeaderBar; + pDataWin->pHeaderBar->SetStartDragHdl( LINK( this, BrowseBox, StartDragHdl ) ); +} + +long BrowseBox::GetTitleHeight() const +{ + long nHeight; + // ask the header bar for the text height (if possible), as the header bar's font is adjusted with + // our (and the header's) zoom factor + HeaderBar* pHeaderBar = pDataWin->pHeaderBar; + if ( pHeaderBar ) + nHeight = pHeaderBar->GetTextHeight(); + else + nHeight = GetTextHeight(); + + return nTitleLines ? nTitleLines * nHeight + 4 : 0; +} + +long BrowseBox::CalcReverseZoom(long nVal) +{ + if (IsZoom()) + { + const Fraction& rZoom = GetZoom(); + double n = static_cast<double>(nVal); + n *= static_cast<double>(rZoom.GetDenominator()); + if (!rZoom.GetNumerator()) + throw o3tl::divide_by_zero(); + n /= static_cast<double>(rZoom.GetNumerator()); + nVal = n>0 ? static_cast<long>(n + 0.5) : -static_cast<long>(-n + 0.5); + } + + return nVal; +} + +void BrowseBox::CursorMoved() +{ + // before implementing more here, please adjust the EditBrowseBox + + if ( isAccessibleAlive() && HasFocus() ) + commitTableEvent( + ACTIVE_DESCENDANT_CHANGED, + makeAny( CreateAccessibleCell( GetCurRow(),GetColumnPos( GetCurColumnId() ) ) ), + Any() + ); +} + +void BrowseBox::LoseFocus() +{ + SAL_INFO("svtools", "BrowseBox::LoseFocus " << this ); + + if ( bHasFocus ) + { + SAL_INFO("svtools", "BrowseBox::HideCursor " << this ); + DoHideCursor( "LoseFocus" ); + + if ( !bKeepHighlight ) + { + ToggleSelection(); + bSelectionIsVisible = false; + } + + bHasFocus = false; + } + Control::LoseFocus(); +} + + +void BrowseBox::GetFocus() +{ + SAL_INFO("svtools", "BrowseBox::GetFocus " << this ); + + if ( !bHasFocus ) + { + if ( !bSelectionIsVisible ) + { + bSelectionIsVisible = true; + if ( bBootstrapped ) + ToggleSelection(); + } + + bHasFocus = true; + DoShowCursor( "GetFocus" ); + } + Control::GetFocus(); +} + + +sal_uInt16 BrowseBox::GetVisibleRows() const +{ + return static_cast<sal_uInt16>((pDataWin->GetOutputSizePixel().Height() - 1 )/ GetDataRowHeight() + 1); +} + +vcl::Window& BrowseBox::GetDataWindow() const +{ + return *pDataWin; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |