diff options
Diffstat (limited to 'svtools/source/table/tablecontrol_impl.cxx')
| -rw-r--r-- | svtools/source/table/tablecontrol_impl.cxx | 2553 |
1 files changed, 2553 insertions, 0 deletions
diff --git a/svtools/source/table/tablecontrol_impl.cxx b/svtools/source/table/tablecontrol_impl.cxx new file mode 100644 index 000000000..b4cf55917 --- /dev/null +++ b/svtools/source/table/tablecontrol_impl.cxx @@ -0,0 +1,2553 @@ +/* -*- 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 <table/tablecontrol.hxx> +#include <table/defaultinputhandler.hxx> +#include <table/tablemodel.hxx> + +#include "tabledatawindow.hxx" +#include "tablecontrol_impl.hxx" +#include "tablegeometry.hxx" + +#include <com/sun/star/accessibility/XAccessible.hpp> +#include <com/sun/star/accessibility/AccessibleTableModelChange.hpp> +#include <com/sun/star/accessibility/AccessibleEventId.hpp> +#include <com/sun/star/accessibility/AccessibleTableModelChangeType.hpp> + +#include <comphelper/flagguard.hxx> +#include <vcl/accessiblefactory.hxx> +#include <vcl/scrbar.hxx> +#include <vcl/seleng.hxx> +#include <vcl/settings.hxx> +#include <vcl/image.hxx> +#include <tools/diagnose_ex.h> +#include <tools/debug.hxx> + +#include <cstdlib> +#include <numeric> + +#define MIN_COLUMN_WIDTH_PIXEL 4 + + +namespace svt::table +{ + + + using ::com::sun::star::accessibility::AccessibleTableModelChange; + using ::com::sun::star::uno::makeAny; + using ::com::sun::star::uno::Any; + using ::com::sun::star::accessibility::XAccessible; + using ::com::sun::star::uno::Reference; + + namespace AccessibleEventId = ::com::sun::star::accessibility::AccessibleEventId; + namespace AccessibleTableModelChangeType = ::com::sun::star::accessibility::AccessibleTableModelChangeType; + + + //= SuppressCursor + + namespace { + + class SuppressCursor + { + private: + ITableControl& m_rTable; + + public: + explicit SuppressCursor( ITableControl& _rTable ) + :m_rTable( _rTable ) + { + m_rTable.hideCursor(); + } + ~SuppressCursor() + { + m_rTable.showCursor(); + } + }; + + + //= EmptyTableModel + + /** default implementation of an ->ITableModel, used as fallback when no + real model is present + + Instances of this class are static in any way, and provide the least + necessary default functionality for a table model. + */ + class EmptyTableModel : public ITableModel + { + public: + EmptyTableModel() + { + } + + // ITableModel overridables + virtual TableSize getColumnCount() const override + { + return 0; + } + virtual TableSize getRowCount() const override + { + return 0; + } + virtual bool hasColumnHeaders() const override + { + return false; + } + virtual bool hasRowHeaders() const override + { + return false; + } + virtual PColumnModel getColumnModel( ColPos ) override + { + OSL_FAIL( "EmptyTableModel::getColumnModel: invalid call!" ); + return PColumnModel(); + } + virtual PTableRenderer getRenderer() const override + { + return PTableRenderer(); + } + virtual PTableInputHandler getInputHandler() const override + { + return PTableInputHandler(); + } + virtual TableMetrics getRowHeight() const override + { + return 5 * 100; + } + virtual TableMetrics getColumnHeaderHeight() const override + { + return 0; + } + virtual TableMetrics getRowHeaderWidth() const override + { + return 0; + } + virtual ScrollbarVisibility getVerticalScrollbarVisibility() const override + { + return ScrollbarShowNever; + } + virtual ScrollbarVisibility getHorizontalScrollbarVisibility() const override + { + return ScrollbarShowNever; + } + virtual void addTableModelListener( const PTableModelListener& ) override {} + virtual void removeTableModelListener( const PTableModelListener& ) override {} + virtual ::std::optional< ::Color > getLineColor() const override + { + return ::std::optional< ::Color >(); + } + virtual ::std::optional< ::Color > getHeaderBackgroundColor() const override + { + return ::std::optional< ::Color >(); + } + virtual ::std::optional< ::Color > getHeaderTextColor() const override + { + return ::std::optional< ::Color >(); + } + virtual ::std::optional< ::Color > getActiveSelectionBackColor() const override + { + return ::std::optional< ::Color >(); + } + virtual ::std::optional< ::Color > getInactiveSelectionBackColor() const override + { + return ::std::optional< ::Color >(); + } + virtual ::std::optional< ::Color > getActiveSelectionTextColor() const override + { + return ::std::optional< ::Color >(); + } + virtual ::std::optional< ::Color > getInactiveSelectionTextColor() const override + { + return ::std::optional< ::Color >(); + } + virtual ::std::optional< ::Color > getTextColor() const override + { + return ::std::optional< ::Color >(); + } + virtual ::std::optional< ::Color > getTextLineColor() const override + { + return ::std::optional< ::Color >(); + } + virtual ::std::optional< ::std::vector< ::Color > > getRowBackgroundColors() const override + { + return ::std::optional< ::std::vector< ::Color > >(); + } + virtual css::style::VerticalAlignment getVerticalAlign() const override + { + return css::style::VerticalAlignment(0); + } + virtual ITableDataSort* getSortAdapter() override + { + return nullptr; + } + virtual bool isEnabled() const override + { + return true; + } + virtual void getCellContent( ColPos const, RowPos const, css::uno::Any& o_cellContent ) override + { + o_cellContent.clear(); + } + virtual void getCellToolTip( ColPos const, RowPos const, css::uno::Any& ) override + { + } + virtual Any getRowHeading( RowPos const ) const override + { + return Any(); + } + }; + + } + + TableControl_Impl::TableControl_Impl( TableControl& _rAntiImpl ) + :m_rAntiImpl ( _rAntiImpl ) + ,m_pModel ( std::make_shared<EmptyTableModel>() ) + ,m_pInputHandler ( ) + ,m_nRowHeightPixel ( 15 ) + ,m_nColHeaderHeightPixel( 0 ) + ,m_nRowHeaderWidthPixel ( 0 ) + ,m_nColumnCount ( 0 ) + ,m_nRowCount ( 0 ) + ,m_nCurColumn ( COL_INVALID ) + ,m_nCurRow ( ROW_INVALID ) + ,m_nLeftColumn ( 0 ) + ,m_nTopRow ( 0 ) + ,m_nCursorHidden ( 1 ) + ,m_pDataWindow ( VclPtr<TableDataWindow>::Create( *this ) ) + ,m_pVScroll ( nullptr ) + ,m_pHScroll ( nullptr ) + ,m_pScrollCorner ( nullptr ) + ,m_aSelectedRows ( ) + ,m_pTableFunctionSet ( new TableFunctionSet( this ) ) + ,m_nAnchor ( -1 ) + ,m_bUpdatingColWidths ( false ) + ,m_pAccessibleTable ( nullptr ) + { + m_pSelEngine.reset( new SelectionEngine( m_pDataWindow.get(), m_pTableFunctionSet.get() ) ); + m_pSelEngine->SetSelectionMode(SelectionMode::Single); + m_pDataWindow->SetPosPixel( Point( 0, 0 ) ); + m_pDataWindow->Show(); + } + + TableControl_Impl::~TableControl_Impl() + { + m_pVScroll.disposeAndClear(); + m_pHScroll.disposeAndClear(); + m_pScrollCorner.disposeAndClear(); + m_pDataWindow.disposeAndClear(); + m_pTableFunctionSet.reset(); + m_pSelEngine.reset(); + } + + void TableControl_Impl::setModel( const PTableModel& _pModel ) + { + SuppressCursor aHideCursor( *this ); + + if ( m_pModel ) + m_pModel->removeTableModelListener( shared_from_this() ); + + m_pModel = _pModel; + if ( !m_pModel) + m_pModel = std::make_shared<EmptyTableModel>(); + + m_pModel->addTableModelListener( shared_from_this() ); + + m_nCurRow = ROW_INVALID; + m_nCurColumn = COL_INVALID; + + // recalc some model-dependent cached info + impl_ni_updateCachedModelValues(); + impl_ni_relayout(); + + // completely invalidate + m_rAntiImpl.Invalidate(); + + // reset cursor to (0,0) + if ( m_nRowCount ) m_nCurRow = 0; + if ( m_nColumnCount ) m_nCurColumn = 0; + } + + + namespace + { + bool lcl_adjustSelectedRows( ::std::vector< RowPos >& io_selectionIndexes, RowPos const i_firstAffectedRowIndex, TableSize const i_offset ) + { + bool didChanges = false; + for (auto & selectionIndex : io_selectionIndexes) + { + if ( selectionIndex < i_firstAffectedRowIndex ) + continue; + selectionIndex += i_offset; + didChanges = true; + } + return didChanges; + } + } + + + void TableControl_Impl::rowsInserted( RowPos i_first, RowPos i_last ) + { + OSL_PRECOND( i_last >= i_first, "TableControl_Impl::rowsInserted: invalid row indexes!" ); + + TableSize const insertedRows = i_last - i_first + 1; + + // adjust selection, if necessary + bool const selectionChanged = lcl_adjustSelectedRows( m_aSelectedRows, i_first, insertedRows ); + + // adjust our cached row count + m_nRowCount = m_pModel->getRowCount(); + + // if the rows have been inserted before the current row, adjust this + if ( i_first <= m_nCurRow ) + goTo( m_nCurColumn, m_nCurRow + insertedRows ); + + // relayout, since the scrollbar need might have changed + impl_ni_relayout(); + + // notify A1YY events + if ( impl_isAccessibleAlive() ) + { + impl_commitAccessibleEvent( AccessibleEventId::TABLE_MODEL_CHANGED, + makeAny( AccessibleTableModelChange( AccessibleTableModelChangeType::INSERT, i_first, i_last, 0, m_pModel->getColumnCount() ) ) + ); + } + + // schedule repaint + invalidateRowRange( i_first, ROW_INVALID ); + + // call selection handlers, if necessary + if ( selectionChanged ) + m_rAntiImpl.Select(); + } + + + void TableControl_Impl::rowsRemoved( RowPos i_first, RowPos i_last ) + { + sal_Int32 firstRemovedRow = i_first; + sal_Int32 lastRemovedRow = i_last; + + // adjust selection, if necessary + bool selectionChanged = false; + if ( i_first == -1 ) + { + selectionChanged = markAllRowsAsDeselected(); + + firstRemovedRow = 0; + lastRemovedRow = m_nRowCount - 1; + } + else + { + ENSURE_OR_RETURN_VOID( i_last >= i_first, "TableControl_Impl::rowsRemoved: illegal indexes!" ); + + for ( sal_Int32 row = i_first; row <= i_last; ++row ) + { + if ( markRowAsDeselected( row ) ) + selectionChanged = true; + } + + if ( lcl_adjustSelectedRows( m_aSelectedRows, i_last + 1, i_first - i_last - 1 ) ) + selectionChanged = true; + } + + // adjust cached row count + m_nRowCount = m_pModel->getRowCount(); + + // adjust the current row, if it is larger than the row count now + if ( m_nCurRow >= m_nRowCount ) + { + if ( m_nRowCount > 0 ) + goTo( m_nCurColumn, m_nRowCount - 1 ); + else + { + m_nCurRow = ROW_INVALID; + m_nTopRow = 0; + } + } + else if ( m_nRowCount == 0 ) + { + m_nTopRow = 0; + } + + + // relayout, since the scrollbar need might have changed + impl_ni_relayout(); + + // notify A11Y events + if ( impl_isAccessibleAlive() ) + { + commitTableEvent( + AccessibleEventId::TABLE_MODEL_CHANGED, + makeAny( AccessibleTableModelChange( + AccessibleTableModelChangeType::DELETE, + firstRemovedRow, + lastRemovedRow, + 0, + m_pModel->getColumnCount() + ) ), + Any() + ); + } + + // schedule a repaint + invalidateRowRange( firstRemovedRow, ROW_INVALID ); + + // call selection handlers, if necessary + if ( selectionChanged ) + m_rAntiImpl.Select(); + } + + + void TableControl_Impl::columnInserted() + { + m_nColumnCount = m_pModel->getColumnCount(); + impl_ni_relayout(); + + m_rAntiImpl.Invalidate(); + } + + + void TableControl_Impl::columnRemoved() + { + m_nColumnCount = m_pModel->getColumnCount(); + + // adjust the current column, if it is larger than the column count now + if ( m_nCurColumn >= m_nColumnCount ) + { + if ( m_nColumnCount > 0 ) + goTo( m_nCurColumn - 1, m_nCurRow ); + else + m_nCurColumn = COL_INVALID; + } + + impl_ni_relayout(); + + m_rAntiImpl.Invalidate(); + } + + + void TableControl_Impl::allColumnsRemoved() + { + m_nColumnCount = m_pModel->getColumnCount(); + impl_ni_relayout(); + + m_rAntiImpl.Invalidate(); + } + + + void TableControl_Impl::cellsUpdated( RowPos const i_firstRow, RowPos const i_lastRow ) + { + invalidateRowRange( i_firstRow, i_lastRow ); + } + + + void TableControl_Impl::tableMetricsChanged() + { + impl_ni_updateCachedTableMetrics(); + impl_ni_relayout(); + m_rAntiImpl.Invalidate(); + } + + + void TableControl_Impl::impl_invalidateColumn( ColPos const i_column ) + { + tools::Rectangle const aAllCellsArea( impl_getAllVisibleCellsArea() ); + + const TableColumnGeometry aColumn( *this, aAllCellsArea, i_column ); + if ( aColumn.isValid() ) + m_rAntiImpl.Invalidate( aColumn.getRect() ); + } + + + void TableControl_Impl::columnChanged( ColPos const i_column, ColumnAttributeGroup const i_attributeGroup ) + { + ColumnAttributeGroup nGroup( i_attributeGroup ); + if ( nGroup & ColumnAttributeGroup::APPEARANCE ) + { + impl_invalidateColumn( i_column ); + nGroup &= ~ColumnAttributeGroup::APPEARANCE; + } + + if ( nGroup & ColumnAttributeGroup::WIDTH ) + { + if ( !m_bUpdatingColWidths ) + { + impl_ni_relayout( i_column ); + invalidate( TableArea::All ); + } + + nGroup &= ~ColumnAttributeGroup::WIDTH; + } + + OSL_ENSURE( ( nGroup == ColumnAttributeGroup::NONE ) || ( i_attributeGroup == ColumnAttributeGroup::ALL ), + "TableControl_Impl::columnChanged: don't know how to handle this change!" ); + } + + + tools::Rectangle TableControl_Impl::impl_getAllVisibleCellsArea() const + { + tools::Rectangle aArea( Point( 0, 0 ), Size( 0, 0 ) ); + + // determine the right-most border of the last column which is + // at least partially visible + aArea.SetRight( m_nRowHeaderWidthPixel ); + if ( !m_aColumnWidths.empty() ) + { + // the number of pixels which are scrolled out of the left hand + // side of the window + const long nScrolledOutLeft = m_nLeftColumn == 0 ? 0 : m_aColumnWidths[ m_nLeftColumn - 1 ].getEnd(); + + ColumnPositions::const_reverse_iterator loop = m_aColumnWidths.rbegin(); + do + { + aArea.SetRight( loop->getEnd() - nScrolledOutLeft + m_nRowHeaderWidthPixel ); + ++loop; + } + while ( ( loop != m_aColumnWidths.rend() ) + && ( loop->getEnd() - nScrolledOutLeft >= aArea.Right() ) + ); + } + // so far, aArea.Right() denotes the first pixel *after* the cell area + aArea.AdjustRight( -1 ); + + // determine the last row which is at least partially visible + aArea.SetBottom( + m_nColHeaderHeightPixel + + impl_getVisibleRows( true ) * m_nRowHeightPixel + - 1 ); + + return aArea; + } + + + tools::Rectangle TableControl_Impl::impl_getAllVisibleDataCellArea() const + { + tools::Rectangle aArea( impl_getAllVisibleCellsArea() ); + aArea.SetLeft( m_nRowHeaderWidthPixel ); + aArea.SetTop( m_nColHeaderHeightPixel ); + return aArea; + } + + + void TableControl_Impl::impl_ni_updateCachedTableMetrics() + { + m_nRowHeightPixel = m_rAntiImpl.LogicToPixel(Size(0, m_pModel->getRowHeight()), MapMode(MapUnit::MapAppFont)).Height(); + + m_nColHeaderHeightPixel = 0; + if ( m_pModel->hasColumnHeaders() ) + m_nColHeaderHeightPixel = m_rAntiImpl.LogicToPixel(Size(0, m_pModel->getColumnHeaderHeight()), MapMode(MapUnit::MapAppFont)).Height(); + + m_nRowHeaderWidthPixel = 0; + if ( m_pModel->hasRowHeaders() ) + m_nRowHeaderWidthPixel = m_rAntiImpl.LogicToPixel(Size(m_pModel->getRowHeaderWidth(), 0), MapMode(MapUnit::MapAppFont)).Width(); + } + + + void TableControl_Impl::impl_ni_updateCachedModelValues() + { + m_pInputHandler = m_pModel->getInputHandler(); + if ( !m_pInputHandler ) + m_pInputHandler = std::make_shared<DefaultInputHandler>(); + + m_nColumnCount = m_pModel->getColumnCount(); + if ( m_nLeftColumn >= m_nColumnCount ) + m_nLeftColumn = ( m_nColumnCount > 0 ) ? m_nColumnCount - 1 : 0; + + m_nRowCount = m_pModel->getRowCount(); + if ( m_nTopRow >= m_nRowCount ) + m_nTopRow = ( m_nRowCount > 0 ) ? m_nRowCount - 1 : 0; + + impl_ni_updateCachedTableMetrics(); + } + + + namespace + { + + /// determines whether a scrollbar is needed for the given values + bool lcl_determineScrollbarNeed( long const i_position, ScrollbarVisibility const i_visibility, + long const i_availableSpace, long const i_neededSpace ) + { + if ( i_visibility == ScrollbarShowNever ) + return false; + if ( i_visibility == ScrollbarShowAlways ) + return true; + if ( i_position > 0 ) + return true; + if ( i_availableSpace >= i_neededSpace ) + return false; + return true; + } + + + void lcl_setButtonRepeat( vcl::Window& _rWindow ) + { + AllSettings aSettings = _rWindow.GetSettings(); + MouseSettings aMouseSettings = aSettings.GetMouseSettings(); + + aMouseSettings.SetButtonRepeat( 0 ); + aSettings.SetMouseSettings( aMouseSettings ); + + _rWindow.SetSettings( aSettings, true ); + } + + + bool lcl_updateScrollbar( vcl::Window& _rParent, VclPtr<ScrollBar>& _rpBar, + bool const i_needBar, long _nVisibleUnits, + long _nPosition, long _nRange, + bool _bHorizontal, const Link<ScrollBar*,void>& _rScrollHandler ) + { + // do we currently have the scrollbar? + bool bHaveBar = _rpBar != nullptr; + + // do we need to correct the scrollbar visibility? + if ( bHaveBar && !i_needBar ) + { + if ( _rpBar->IsTracking() ) + _rpBar->EndTracking(); + _rpBar.disposeAndClear(); + } + else if ( !bHaveBar && i_needBar ) + { + _rpBar = VclPtr<ScrollBar>::Create( + + &_rParent, + WB_DRAG | ( _bHorizontal ? WB_HSCROLL : WB_VSCROLL ) + ); + _rpBar->SetScrollHdl( _rScrollHandler ); + // get some speed into the scrolling... + lcl_setButtonRepeat( *_rpBar ); + } + + if ( _rpBar ) + { + _rpBar->SetRange( Range( 0, _nRange ) ); + _rpBar->SetVisibleSize( _nVisibleUnits ); + _rpBar->SetPageSize( _nVisibleUnits ); + _rpBar->SetLineSize( 1 ); + _rpBar->SetThumbPos( _nPosition ); + _rpBar->Show(); + } + + return ( bHaveBar != i_needBar ); + } + + + /** returns the number of rows fitting into the given range, + for the given row height. Partially fitting rows are counted, too, if the + respective parameter says so. + */ + TableSize lcl_getRowsFittingInto( long _nOverallHeight, long _nRowHeightPixel, bool _bAcceptPartialRow ) + { + return _bAcceptPartialRow + ? ( _nOverallHeight + ( _nRowHeightPixel - 1 ) ) / _nRowHeightPixel + : _nOverallHeight / _nRowHeightPixel; + } + + + /** returns the number of columns fitting into the given area, + with the first visible column as given. Partially fitting columns are counted, too, + if the respective parameter says so. + */ + TableSize lcl_getColumnsVisibleWithin( const tools::Rectangle& _rArea, ColPos _nFirstVisibleColumn, + const TableControl_Impl& _rControl, bool _bAcceptPartialRow ) + { + TableSize visibleColumns = 0; + TableColumnGeometry aColumn( _rControl, _rArea, _nFirstVisibleColumn ); + while ( aColumn.isValid() ) + { + if ( !_bAcceptPartialRow ) + if ( aColumn.getRect().Right() > _rArea.Right() ) + // this column is only partially visible, and this is not allowed + break; + + aColumn.moveRight(); + ++visibleColumns; + } + return visibleColumns; + } + + } + + + long TableControl_Impl::impl_ni_calculateColumnWidths( ColPos const i_assumeInflexibleColumnsUpToIncluding, + bool const i_assumeVerticalScrollbar, ::std::vector< long >& o_newColWidthsPixel ) const + { + // the available horizontal space + long gridWidthPixel = m_rAntiImpl.GetOutputSizePixel().Width(); + ENSURE_OR_RETURN( !!m_pModel, "TableControl_Impl::impl_ni_calculateColumnWidths: not allowed without a model!", gridWidthPixel ); + if ( m_pModel->hasRowHeaders() && ( gridWidthPixel != 0 ) ) + { + gridWidthPixel -= m_nRowHeaderWidthPixel; + } + + if ( i_assumeVerticalScrollbar && ( m_pModel->getVerticalScrollbarVisibility() != ScrollbarShowNever ) ) + { + long nScrollbarMetrics = m_rAntiImpl.GetSettings().GetStyleSettings().GetScrollBarSize(); + gridWidthPixel -= nScrollbarMetrics; + } + + // no need to do anything without columns + TableSize const colCount = m_pModel->getColumnCount(); + if ( colCount == 0 ) + return gridWidthPixel; + + // collect some meta data for our columns: + // - their current (pixel) metrics + long accumulatedCurrentWidth = 0; + ::std::vector< long > currentColWidths; + currentColWidths.reserve( colCount ); + typedef ::std::vector< ::std::pair< long, long > > ColumnLimits; + ColumnLimits effectiveColumnLimits; + effectiveColumnLimits.reserve( colCount ); + long accumulatedMinWidth = 0; + long accumulatedMaxWidth = 0; + // - their relative flexibility + ::std::vector< ::sal_Int32 > columnFlexibilities; + columnFlexibilities.reserve( colCount ); + long flexibilityDenominator = 0; + size_t flexibleColumnCount = 0; + for ( ColPos col = 0; col < colCount; ++col ) + { + PColumnModel const pColumn = m_pModel->getColumnModel( col ); + ENSURE_OR_THROW( !!pColumn, "invalid column returned by the model!" ); + + // current width + long const currentWidth = appFontWidthToPixel( pColumn->getWidth() ); + currentColWidths.push_back( currentWidth ); + + // accumulated width + accumulatedCurrentWidth += currentWidth; + + // flexibility + ::sal_Int32 flexibility = pColumn->getFlexibility(); + OSL_ENSURE( flexibility >= 0, "TableControl_Impl::impl_ni_calculateColumnWidths: a column's flexibility should be non-negative." ); + if ( ( flexibility < 0 ) // normalization + || ( !pColumn->isResizable() ) // column not resizable => no auto-resize + || ( col <= i_assumeInflexibleColumnsUpToIncluding ) // column shall be treated as inflexible => respect this + ) + flexibility = 0; + + // min/max width + long effectiveMin = currentWidth, effectiveMax = currentWidth; + // if the column is not flexible, it will not be asked for min/max, but we assume the current width as limit then + if ( flexibility > 0 ) + { + long const minWidth = appFontWidthToPixel( pColumn->getMinWidth() ); + if ( minWidth > 0 ) + effectiveMin = minWidth; + else + effectiveMin = MIN_COLUMN_WIDTH_PIXEL; + + long const maxWidth = appFontWidthToPixel( pColumn->getMaxWidth() ); + OSL_ENSURE( minWidth <= maxWidth, "TableControl_Impl::impl_ni_calculateColumnWidths: pretty undecided 'bout its width limits, this column!" ); + if ( ( maxWidth > 0 ) && ( maxWidth >= minWidth ) ) + effectiveMax = maxWidth; + else + effectiveMax = gridWidthPixel; // TODO: any better guess here? + + if ( effectiveMin == effectiveMax ) + // if the min and the max are identical, this implies no flexibility at all + flexibility = 0; + } + + columnFlexibilities.push_back( flexibility ); + flexibilityDenominator += flexibility; + if ( flexibility > 0 ) + ++flexibleColumnCount; + + effectiveColumnLimits.emplace_back( effectiveMin, effectiveMax ); + accumulatedMinWidth += effectiveMin; + accumulatedMaxWidth += effectiveMax; + } + + o_newColWidthsPixel = currentColWidths; + if ( flexibilityDenominator == 0 ) + { + // no column is flexible => don't adjust anything + } + else if ( gridWidthPixel > accumulatedCurrentWidth ) + { // we have space to give away ... + long distributePixel = gridWidthPixel - accumulatedCurrentWidth; + if ( gridWidthPixel > accumulatedMaxWidth ) + { + // ... but the column's maximal widths are still less than we have + // => set them all to max + for ( svt::table::TableSize i = 0; i < colCount; ++i ) + { + o_newColWidthsPixel[i] = effectiveColumnLimits[i].second; + } + } + else + { + bool startOver = false; + do + { + startOver = false; + // distribute the remaining space amongst all columns with a positive flexibility + for ( size_t i=0; i<o_newColWidthsPixel.size() && !startOver; ++i ) + { + long const columnFlexibility = columnFlexibilities[i]; + if ( columnFlexibility == 0 ) + continue; + + long newColWidth = currentColWidths[i] + columnFlexibility * distributePixel / flexibilityDenominator; + + if ( newColWidth > effectiveColumnLimits[i].second ) + { // that was too much, we hit the col's maximum + // set the new width to exactly this maximum + newColWidth = effectiveColumnLimits[i].second; + // adjust the flexibility denominator ... + flexibilityDenominator -= columnFlexibility; + columnFlexibilities[i] = 0; + --flexibleColumnCount; + // ... and the remaining width ... + long const difference = newColWidth - currentColWidths[i]; + distributePixel -= difference; + // ... this way, we ensure that the width not taken up by this column is consumed by the other + // flexible ones (if there are some) + + // and start over with the first column, since there might be earlier columns which need + // to be recalculated now + startOver = true; + } + + o_newColWidthsPixel[i] = newColWidth; + } + } + while ( startOver ); + + // are there pixels left (might be caused by rounding errors)? + distributePixel = gridWidthPixel - ::std::accumulate( o_newColWidthsPixel.begin(), o_newColWidthsPixel.end(), 0 ); + while ( ( distributePixel > 0 ) && ( flexibleColumnCount > 0 ) ) + { + // yes => ignore relative flexibilities, and subsequently distribute single pixels to all flexible + // columns which did not yet reach their maximum. + for ( size_t i=0; ( i < o_newColWidthsPixel.size() ) && ( distributePixel > 0 ); ++i ) + { + if ( columnFlexibilities[i] == 0 ) + continue; + + OSL_ENSURE( o_newColWidthsPixel[i] <= effectiveColumnLimits[i].second, + "TableControl_Impl::impl_ni_calculateColumnWidths: inconsistency!" ); + if ( o_newColWidthsPixel[i] >= effectiveColumnLimits[i].first ) + { + columnFlexibilities[i] = 0; + --flexibleColumnCount; + continue; + } + + ++o_newColWidthsPixel[i]; + --distributePixel; + } + } + } + } + else if ( gridWidthPixel < accumulatedCurrentWidth ) + { // we need to take away some space from the columns which allow it ... + long takeAwayPixel = accumulatedCurrentWidth - gridWidthPixel; + if ( gridWidthPixel < accumulatedMinWidth ) + { + // ... but the column's minimal widths are still more than we have + // => set them all to min + for ( svt::table::TableSize i = 0; i < colCount; ++i ) + { + o_newColWidthsPixel[i] = effectiveColumnLimits[i].first; + } + } + else + { + bool startOver = false; + do + { + startOver = false; + // take away the space we need from the columns with a positive flexibility + for ( size_t i=0; i<o_newColWidthsPixel.size() && !startOver; ++i ) + { + long const columnFlexibility = columnFlexibilities[i]; + if ( columnFlexibility == 0 ) + continue; + + long newColWidth = currentColWidths[i] - columnFlexibility * takeAwayPixel / flexibilityDenominator; + + if ( newColWidth < effectiveColumnLimits[i].first ) + { // that was too much, we hit the col's minimum + // set the new width to exactly this minimum + newColWidth = effectiveColumnLimits[i].first; + // adjust the flexibility denominator ... + flexibilityDenominator -= columnFlexibility; + columnFlexibilities[i] = 0; + --flexibleColumnCount; + // ... and the remaining width ... + long const difference = currentColWidths[i] - newColWidth; + takeAwayPixel -= difference; + + // and start over with the first column, since there might be earlier columns which need + // to be recalculated now + startOver = true; + } + + o_newColWidthsPixel[i] = newColWidth; + } + } + while ( startOver ); + + // are there pixels left (might be caused by rounding errors)? + takeAwayPixel = ::std::accumulate( o_newColWidthsPixel.begin(), o_newColWidthsPixel.end(), 0 ) - gridWidthPixel; + while ( ( takeAwayPixel > 0 ) && ( flexibleColumnCount > 0 ) ) + { + // yes => ignore relative flexibilities, and subsequently take away pixels from all flexible + // columns which did not yet reach their minimum. + for ( size_t i=0; ( i < o_newColWidthsPixel.size() ) && ( takeAwayPixel > 0 ); ++i ) + { + if ( columnFlexibilities[i] == 0 ) + continue; + + OSL_ENSURE( o_newColWidthsPixel[i] >= effectiveColumnLimits[i].first, + "TableControl_Impl::impl_ni_calculateColumnWidths: inconsistency!" ); + if ( o_newColWidthsPixel[i] <= effectiveColumnLimits[i].first ) + { + columnFlexibilities[i] = 0; + --flexibleColumnCount; + continue; + } + + --o_newColWidthsPixel[i]; + --takeAwayPixel; + } + } + } + } + + return gridWidthPixel; + } + + + void TableControl_Impl::impl_ni_relayout( ColPos const i_assumeInflexibleColumnsUpToIncluding ) + { + ENSURE_OR_RETURN_VOID( !m_bUpdatingColWidths, "TableControl_Impl::impl_ni_relayout: recursive call detected!" ); + + m_aColumnWidths.resize( 0 ); + if ( !m_pModel ) + return; + + ::comphelper::FlagRestorationGuard const aWidthUpdateFlag( m_bUpdatingColWidths, true ); + SuppressCursor aHideCursor( *this ); + + // layouting steps: + + // 1. adjust column widths, leaving space for a vertical scrollbar + // 2. determine need for a vertical scrollbar + // - V-YES: all fine, result from 1. is still valid + // - V-NO: result from 1. is still under consideration + + // 3. determine need for a horizontal scrollbar + // - H-NO: all fine, result from 2. is still valid + // - H-YES: reconsider need for a vertical scrollbar, if result of 2. was V-NO + // - V-YES: all fine, result from 1. is still valid + // - V-NO: redistribute the remaining space (if any) amongst all columns which allow it + + ::std::vector< long > newWidthsPixel; + long gridWidthPixel = impl_ni_calculateColumnWidths( i_assumeInflexibleColumnsUpToIncluding, true, newWidthsPixel ); + + // the width/height of a scrollbar, needed several times below + long const nScrollbarMetrics = m_rAntiImpl.GetSettings().GetStyleSettings().GetScrollBarSize(); + + // determine the playground for the data cells (excluding headers) + // TODO: what if the control is smaller than needed for the headers/scrollbars? + tools::Rectangle aDataCellPlayground( Point( 0, 0 ), m_rAntiImpl.GetOutputSizePixel() ); + aDataCellPlayground.SetLeft( m_nRowHeaderWidthPixel ); + aDataCellPlayground.SetTop( m_nColHeaderHeightPixel ); + + OSL_ENSURE( ( m_nRowCount == m_pModel->getRowCount() ) && ( m_nColumnCount == m_pModel->getColumnCount() ), + "TableControl_Impl::impl_ni_relayout: how is this expected to work with invalid data?" ); + long const nAllColumnsWidth = ::std::accumulate( newWidthsPixel.begin(), newWidthsPixel.end(), 0 ); + + ScrollbarVisibility const eVertScrollbar = m_pModel->getVerticalScrollbarVisibility(); + ScrollbarVisibility const eHorzScrollbar = m_pModel->getHorizontalScrollbarVisibility(); + + // do we need a vertical scrollbar? + bool bNeedVerticalScrollbar = lcl_determineScrollbarNeed( + m_nTopRow, eVertScrollbar, aDataCellPlayground.GetHeight(), m_nRowHeightPixel * m_nRowCount ); + bool bFirstRoundVScrollNeed = false; + if ( bNeedVerticalScrollbar ) + { + aDataCellPlayground.AdjustRight( -nScrollbarMetrics ); + bFirstRoundVScrollNeed = true; + } + + // do we need a horizontal scrollbar? + bool const bNeedHorizontalScrollbar = lcl_determineScrollbarNeed( + m_nLeftColumn, eHorzScrollbar, aDataCellPlayground.GetWidth(), nAllColumnsWidth ); + if ( bNeedHorizontalScrollbar ) + { + aDataCellPlayground.AdjustBottom( -nScrollbarMetrics ); + + // now that we just found that we need a horizontal scrollbar, + // the need for a vertical one may have changed, since the horizontal + // SB might just occupy enough space so that not all rows do fit + // anymore + if ( !bFirstRoundVScrollNeed ) + { + bNeedVerticalScrollbar = lcl_determineScrollbarNeed( + m_nTopRow, eVertScrollbar, aDataCellPlayground.GetHeight(), m_nRowHeightPixel * m_nRowCount ); + if ( bNeedVerticalScrollbar ) + { + aDataCellPlayground.AdjustRight( -nScrollbarMetrics ); + } + } + } + + // the initial call to impl_ni_calculateColumnWidths assumed that we need a vertical scrollbar. If, by now, + // we know that this is not the case, re-calculate the column widths. + if ( !bNeedVerticalScrollbar ) + gridWidthPixel = impl_ni_calculateColumnWidths( i_assumeInflexibleColumnsUpToIncluding, false, newWidthsPixel ); + + // update the column objects with the new widths we finally calculated + TableSize const colCount = m_pModel->getColumnCount(); + m_aColumnWidths.reserve( colCount ); + long accumulatedWidthPixel = m_nRowHeaderWidthPixel; + bool anyColumnWidthChanged = false; + for ( ColPos col = 0; col < colCount; ++col ) + { + const long columnStart = accumulatedWidthPixel; + const long columnEnd = columnStart + newWidthsPixel[col]; + m_aColumnWidths.emplace_back( columnStart, columnEnd ); + accumulatedWidthPixel = columnEnd; + + // and don't forget to forward this to the column models + PColumnModel const pColumn = m_pModel->getColumnModel( col ); + ENSURE_OR_THROW( !!pColumn, "invalid column returned by the model!" ); + + long const oldColumnWidthAppFont = pColumn->getWidth(); + long const newColumnWidthAppFont = pixelWidthToAppFont( newWidthsPixel[col] ); + pColumn->setWidth( newColumnWidthAppFont ); + + anyColumnWidthChanged |= ( oldColumnWidthAppFont != newColumnWidthAppFont ); + } + + // if the column widths changed, ensure everything is repainted + if ( anyColumnWidthChanged ) + invalidate( TableArea::All ); + + // if the column resizing happened to leave some space at the right, but there are columns + // scrolled out to the left, scroll them in + while ( ( m_nLeftColumn > 0 ) + && ( accumulatedWidthPixel - m_aColumnWidths[ m_nLeftColumn - 1 ].getStart() <= gridWidthPixel ) + ) + { + --m_nLeftColumn; + } + + // now adjust the column metrics, since they currently ignore the horizontal scroll position + if ( m_nLeftColumn > 0 ) + { + const long offsetPixel = m_aColumnWidths[ 0 ].getStart() - m_aColumnWidths[ m_nLeftColumn ].getStart(); + for (auto & columnWidth : m_aColumnWidths) + { + columnWidth.move( offsetPixel ); + } + } + + // show or hide the scrollbars as needed, and position the data window + impl_ni_positionChildWindows( aDataCellPlayground, bNeedVerticalScrollbar, bNeedHorizontalScrollbar ); + } + + + void TableControl_Impl::impl_ni_positionChildWindows( tools::Rectangle const & i_dataCellPlayground, + bool const i_verticalScrollbar, bool const i_horizontalScrollbar ) + { + long const nScrollbarMetrics = m_rAntiImpl.GetSettings().GetStyleSettings().GetScrollBarSize(); + + // create or destroy the vertical scrollbar, as needed + lcl_updateScrollbar( + m_rAntiImpl, + m_pVScroll, + i_verticalScrollbar, + lcl_getRowsFittingInto( i_dataCellPlayground.GetHeight(), m_nRowHeightPixel, false ), + // visible units + m_nTopRow, // current position + m_nRowCount, // range + false, // vertical + LINK( this, TableControl_Impl, OnScroll ) // scroll handler + ); + + // position it + if ( m_pVScroll ) + { + tools::Rectangle aScrollbarArea( + Point( i_dataCellPlayground.Right() + 1, 0 ), + Size( nScrollbarMetrics, i_dataCellPlayground.Bottom() + 1 ) + ); + m_pVScroll->SetPosSizePixel( + aScrollbarArea.TopLeft(), aScrollbarArea.GetSize() ); + } + + // create or destroy the horizontal scrollbar, as needed + lcl_updateScrollbar( + m_rAntiImpl, + m_pHScroll, + i_horizontalScrollbar, + lcl_getColumnsVisibleWithin( i_dataCellPlayground, m_nLeftColumn, *this, false ), + // visible units + m_nLeftColumn, // current position + m_nColumnCount, // range + true, // horizontal + LINK( this, TableControl_Impl, OnScroll ) // scroll handler + ); + + // position it + if ( m_pHScroll ) + { + TableSize const nVisibleUnits = lcl_getColumnsVisibleWithin( i_dataCellPlayground, m_nLeftColumn, *this, false ); + TableMetrics const nRange = m_nColumnCount; + if( m_nLeftColumn + nVisibleUnits == nRange - 1 ) + { + if ( m_aColumnWidths[ nRange - 1 ].getStart() - m_aColumnWidths[ m_nLeftColumn ].getEnd() + m_aColumnWidths[ nRange-1 ].getWidth() > i_dataCellPlayground.GetWidth() ) + { + m_pHScroll->SetVisibleSize( nVisibleUnits -1 ); + m_pHScroll->SetPageSize( nVisibleUnits - 1 ); + } + } + tools::Rectangle aScrollbarArea( + Point( 0, i_dataCellPlayground.Bottom() + 1 ), + Size( i_dataCellPlayground.Right() + 1, nScrollbarMetrics ) + ); + m_pHScroll->SetPosSizePixel( + aScrollbarArea.TopLeft(), aScrollbarArea.GetSize() ); + } + + // the corner window connecting the two scrollbars in the lower right corner + bool bHaveScrollCorner = nullptr != m_pScrollCorner; + bool bNeedScrollCorner = ( nullptr != m_pHScroll ) && ( nullptr != m_pVScroll ); + if ( bHaveScrollCorner && !bNeedScrollCorner ) + { + m_pScrollCorner.disposeAndClear(); + } + else if ( !bHaveScrollCorner && bNeedScrollCorner ) + { + m_pScrollCorner = VclPtr<ScrollBarBox>::Create( &m_rAntiImpl ); + m_pScrollCorner->SetSizePixel( Size( nScrollbarMetrics, nScrollbarMetrics ) ); + m_pScrollCorner->SetPosPixel( Point( i_dataCellPlayground.Right() + 1, i_dataCellPlayground.Bottom() + 1 ) ); + m_pScrollCorner->Show(); + } + else if(bHaveScrollCorner && bNeedScrollCorner) + { + m_pScrollCorner->SetPosPixel( Point( i_dataCellPlayground.Right() + 1, i_dataCellPlayground.Bottom() + 1 ) ); + m_pScrollCorner->Show(); + } + + // resize the data window + m_pDataWindow->SetSizePixel( Size( + i_dataCellPlayground.GetWidth() + m_nRowHeaderWidthPixel, + i_dataCellPlayground.GetHeight() + m_nColHeaderHeightPixel + ) ); + } + + + void TableControl_Impl::onResize() + { + impl_ni_relayout(); + checkCursorPosition(); + } + + + void TableControl_Impl::doPaintContent(vcl::RenderContext& rRenderContext, const tools::Rectangle& _rUpdateRect) + { + if (!getModel()) + return; + PTableRenderer pRenderer = getModel()->getRenderer(); + DBG_ASSERT(!!pRenderer, "TableDataWindow::doPaintContent: invalid renderer!"); + if (!pRenderer) + return; + + // our current style settings, to be passed to the renderer + const StyleSettings& rStyle = rRenderContext.GetSettings().GetStyleSettings(); + m_nRowCount = m_pModel->getRowCount(); + // the area occupied by all (at least partially) visible cells, including + // headers + tools::Rectangle const aAllCellsWithHeaders( impl_getAllVisibleCellsArea() ); + + // draw the header column area + if (m_pModel->hasColumnHeaders()) + { + TableRowGeometry const aHeaderRow(*this, tools::Rectangle(Point(0, 0), aAllCellsWithHeaders.BottomRight()), ROW_COL_HEADERS); + tools::Rectangle const aColRect(aHeaderRow.getRect()); + pRenderer->PaintHeaderArea(rRenderContext, aColRect, true, false, rStyle); + // Note that strictly, aHeaderRow.getRect() also contains the intersection between column + // and row header area. However, below we go to paint this intersection, again, + // so this hopefully doesn't hurt if we already paint it here. + + for (TableCellGeometry aCell(aHeaderRow, m_nLeftColumn); aCell.isValid(); aCell.moveRight()) + { + if (_rUpdateRect.GetIntersection(aCell.getRect()).IsEmpty()) + continue; + + pRenderer->PaintColumnHeader(aCell.getColumn(), rRenderContext, aCell.getRect(), rStyle); + } + } + // the area occupied by the row header, if any + tools::Rectangle aRowHeaderArea; + if (m_pModel->hasRowHeaders()) + { + aRowHeaderArea = aAllCellsWithHeaders; + aRowHeaderArea.SetRight( m_nRowHeaderWidthPixel - 1 ); + + TableSize const nVisibleRows = impl_getVisibleRows(true); + TableSize nActualRows = nVisibleRows; + if (m_nTopRow + nActualRows > m_nRowCount) + nActualRows = m_nRowCount - m_nTopRow; + aRowHeaderArea.SetBottom( m_nColHeaderHeightPixel + m_nRowHeightPixel * nActualRows - 1 ); + + pRenderer->PaintHeaderArea(rRenderContext, aRowHeaderArea, false, true, rStyle); + // Note that strictly, aRowHeaderArea also contains the intersection between column + // and row header area. However, below we go to paint this intersection, again, + // so this hopefully doesn't hurt if we already paint it here. + + if (m_pModel->hasColumnHeaders()) + { + TableCellGeometry const aIntersection(*this, tools::Rectangle(Point(0, 0), aAllCellsWithHeaders.BottomRight()), + COL_ROW_HEADERS, ROW_COL_HEADERS); + tools::Rectangle const aInters(aIntersection.getRect()); + pRenderer->PaintHeaderArea(rRenderContext, aInters, true, true, rStyle); + } + } + + // draw the table content row by row + TableSize colCount = getModel()->getColumnCount(); + + // paint all rows + tools::Rectangle const aAllDataCellsArea(impl_getAllVisibleDataCellArea()); + for (TableRowGeometry aRowIterator(*this, aAllCellsWithHeaders, getTopRow()); aRowIterator.isValid(); aRowIterator.moveDown()) + { + if (_rUpdateRect.GetIntersection(aRowIterator.getRect() ).IsEmpty()) + continue; + + bool const isControlFocused = m_rAntiImpl.HasControlFocus(); + bool const isSelectedRow = isRowSelected(aRowIterator.getRow()); + + tools::Rectangle const aRect = aRowIterator.getRect().GetIntersection(aAllDataCellsArea); + + // give the renderer a chance to prepare the row + pRenderer->PrepareRow(aRowIterator.getRow(), isControlFocused, isSelectedRow, rRenderContext, aRect, rStyle); + + // paint the row header + if (m_pModel->hasRowHeaders()) + { + const tools::Rectangle aCurrentRowHeader(aRowHeaderArea.GetIntersection(aRowIterator.getRect())); + pRenderer->PaintRowHeader(rRenderContext, aCurrentRowHeader, rStyle); + } + + if (!colCount) + continue; + + // paint all cells in this row + for (TableCellGeometry aCell(aRowIterator, m_nLeftColumn); aCell.isValid(); aCell.moveRight()) + { + pRenderer->PaintCell(aCell.getColumn(), isSelectedRow, isControlFocused, + rRenderContext, aCell.getRect(), rStyle); + } + } + } + + void TableControl_Impl::hideCursor() + { + if ( ++m_nCursorHidden == 1 ) + impl_ni_doSwitchCursor( false ); + } + + + void TableControl_Impl::showCursor() + { + DBG_ASSERT( m_nCursorHidden > 0, "TableControl_Impl::showCursor: cursor not hidden!" ); + if ( --m_nCursorHidden == 0 ) + impl_ni_doSwitchCursor( true ); + } + + + bool TableControl_Impl::dispatchAction( TableControlAction _eAction ) + { + bool bSuccess = false; + bool selectionChanged = false; + + switch ( _eAction ) + { + case cursorDown: + if ( m_pSelEngine->GetSelectionMode() == SelectionMode::Single ) + { + //if other rows already selected, deselect them + if(!m_aSelectedRows.empty()) + { + invalidateSelectedRows(); + m_aSelectedRows.clear(); + } + if ( m_nCurRow < m_nRowCount-1 ) + { + ++m_nCurRow; + m_aSelectedRows.push_back(m_nCurRow); + } + else + m_aSelectedRows.push_back(m_nCurRow); + invalidateRow( m_nCurRow ); + ensureVisible(m_nCurColumn,m_nCurRow); + selectionChanged = true; + bSuccess = true; + } + else + { + if ( m_nCurRow < m_nRowCount - 1 ) + bSuccess = goTo( m_nCurColumn, m_nCurRow + 1 ); + } + break; + + case cursorUp: + if(m_pSelEngine->GetSelectionMode() == SelectionMode::Single) + { + if(!m_aSelectedRows.empty()) + { + invalidateSelectedRows(); + m_aSelectedRows.clear(); + } + if(m_nCurRow>0) + { + --m_nCurRow; + m_aSelectedRows.push_back(m_nCurRow); + invalidateRow( m_nCurRow ); + } + else + { + m_aSelectedRows.push_back(m_nCurRow); + invalidateRow( m_nCurRow ); + } + ensureVisible(m_nCurColumn,m_nCurRow); + selectionChanged = true; + bSuccess = true; + } + else + { + if ( m_nCurRow > 0 ) + bSuccess = goTo( m_nCurColumn, m_nCurRow - 1 ); + } + break; + case cursorLeft: + if ( m_nCurColumn > 0 ) + bSuccess = goTo( m_nCurColumn - 1, m_nCurRow ); + else + if ( ( m_nCurColumn == 0) && ( m_nCurRow > 0 ) ) + bSuccess = goTo( m_nColumnCount - 1, m_nCurRow - 1 ); + break; + + case cursorRight: + if ( m_nCurColumn < m_nColumnCount - 1 ) + bSuccess = goTo( m_nCurColumn + 1, m_nCurRow ); + else + if ( ( m_nCurColumn == m_nColumnCount - 1 ) && ( m_nCurRow < m_nRowCount - 1 ) ) + bSuccess = goTo( 0, m_nCurRow + 1 ); + break; + + case cursorToLineStart: + bSuccess = goTo( 0, m_nCurRow ); + break; + + case cursorToLineEnd: + bSuccess = goTo( m_nColumnCount - 1, m_nCurRow ); + break; + + case cursorToFirstLine: + bSuccess = goTo( m_nCurColumn, 0 ); + break; + + case cursorToLastLine: + bSuccess = goTo( m_nCurColumn, m_nRowCount - 1 ); + break; + + case cursorPageUp: + { + RowPos nNewRow = ::std::max( RowPos(0), m_nCurRow - impl_getVisibleRows( false ) ); + bSuccess = goTo( m_nCurColumn, nNewRow ); + } + break; + + case cursorPageDown: + { + RowPos nNewRow = ::std::min( m_nRowCount - 1, m_nCurRow + impl_getVisibleRows( false ) ); + bSuccess = goTo( m_nCurColumn, nNewRow ); + } + break; + + case cursorTopLeft: + bSuccess = goTo( 0, 0 ); + break; + + case cursorBottomRight: + bSuccess = goTo( m_nColumnCount - 1, m_nRowCount - 1 ); + break; + + case cursorSelectRow: + { + if(m_pSelEngine->GetSelectionMode() == SelectionMode::NONE) + return false; + //pos is the position of the current row in the vector of selected rows, if current row is selected + int pos = getRowSelectedNumber(m_aSelectedRows, m_nCurRow); + //if current row is selected, it should be deselected, when ALT+SPACE are pressed + if(pos>-1) + { + m_aSelectedRows.erase(m_aSelectedRows.begin()+pos); + if(m_aSelectedRows.empty() && m_nAnchor != -1) + m_nAnchor = -1; + } + //else select the row->put it in the vector + else + m_aSelectedRows.push_back(m_nCurRow); + invalidateRow( m_nCurRow ); + selectionChanged = true; + bSuccess = true; + } + break; + case cursorSelectRowUp: + { + if(m_pSelEngine->GetSelectionMode() == SelectionMode::NONE) + return false; + else if(m_pSelEngine->GetSelectionMode() == SelectionMode::Single) + { + //if there are other selected rows, deselect them + return false; + } + else + { + //there are other selected rows + if(!m_aSelectedRows.empty()) + { + //the anchor wasn't set -> a region is not selected, that's why clear all selection + //and select the current row + if(m_nAnchor==-1) + { + invalidateSelectedRows(); + m_aSelectedRows.clear(); + m_aSelectedRows.push_back(m_nCurRow); + invalidateRow( m_nCurRow ); + } + else + { + //a region is already selected, prevRow is last selected row and the row above - nextRow - should be selected + int prevRow = getRowSelectedNumber(m_aSelectedRows, m_nCurRow); + int nextRow = getRowSelectedNumber(m_aSelectedRows, m_nCurRow-1); + if(prevRow>-1) + { + //if m_nCurRow isn't the upper one, can move up, otherwise not + if(m_nCurRow>0) + m_nCurRow--; + else + return true; + //if nextRow already selected, deselect it, otherwise select it + if(nextRow>-1 && m_aSelectedRows[nextRow] == m_nCurRow) + { + m_aSelectedRows.erase(m_aSelectedRows.begin()+prevRow); + invalidateRow( m_nCurRow + 1 ); + } + else + { + m_aSelectedRows.push_back(m_nCurRow); + invalidateRow( m_nCurRow ); + } + } + else + { + if(m_nCurRow>0) + { + m_aSelectedRows.push_back(m_nCurRow); + m_nCurRow--; + m_aSelectedRows.push_back(m_nCurRow); + invalidateSelectedRegion( m_nCurRow+1, m_nCurRow ); + } + } + } + } + else + { + //if nothing is selected and the current row isn't the upper one + //select the current and one row above + //otherwise select only the upper row + if(m_nCurRow>0) + { + m_aSelectedRows.push_back(m_nCurRow); + m_nCurRow--; + m_aSelectedRows.push_back(m_nCurRow); + invalidateSelectedRegion( m_nCurRow+1, m_nCurRow ); + } + else + { + m_aSelectedRows.push_back(m_nCurRow); + invalidateRow( m_nCurRow ); + } + } + m_pSelEngine->SetAnchor(true); + m_nAnchor = m_nCurRow; + ensureVisible(m_nCurColumn, m_nCurRow); + selectionChanged = true; + bSuccess = true; + } + } + break; + case cursorSelectRowDown: + { + if(m_pSelEngine->GetSelectionMode() == SelectionMode::NONE) + bSuccess = false; + else if(m_pSelEngine->GetSelectionMode() == SelectionMode::Single) + { + bSuccess = false; + } + else + { + if(!m_aSelectedRows.empty()) + { + //the anchor wasn't set -> a region is not selected, that's why clear all selection + //and select the current row + if(m_nAnchor==-1) + { + invalidateSelectedRows(); + m_aSelectedRows.clear(); + m_aSelectedRows.push_back(m_nCurRow); + invalidateRow( m_nCurRow ); + } + else + { + //a region is already selected, prevRow is last selected row and the row beneath - nextRow - should be selected + int prevRow = getRowSelectedNumber(m_aSelectedRows, m_nCurRow); + int nextRow = getRowSelectedNumber(m_aSelectedRows, m_nCurRow+1); + if(prevRow>-1) + { + //if m_nCurRow isn't the last one, can move down, otherwise not + if(m_nCurRow<m_nRowCount-1) + m_nCurRow++; + else + return true; + //if next row already selected, deselect it, otherwise select it + if(nextRow>-1 && m_aSelectedRows[nextRow] == m_nCurRow) + { + m_aSelectedRows.erase(m_aSelectedRows.begin()+prevRow); + invalidateRow( m_nCurRow - 1 ); + } + else + { + m_aSelectedRows.push_back(m_nCurRow); + invalidateRow( m_nCurRow ); + } + } + else + { + if(m_nCurRow<m_nRowCount-1) + { + m_aSelectedRows.push_back(m_nCurRow); + m_nCurRow++; + m_aSelectedRows.push_back(m_nCurRow); + invalidateSelectedRegion( m_nCurRow-1, m_nCurRow ); + } + } + } + } + else + { + //there wasn't any selection, select current and row beneath, otherwise only row beneath + if(m_nCurRow<m_nRowCount-1) + { + m_aSelectedRows.push_back(m_nCurRow); + m_nCurRow++; + m_aSelectedRows.push_back(m_nCurRow); + invalidateSelectedRegion( m_nCurRow-1, m_nCurRow ); + } + else + { + m_aSelectedRows.push_back(m_nCurRow); + invalidateRow( m_nCurRow ); + } + } + m_pSelEngine->SetAnchor(true); + m_nAnchor = m_nCurRow; + ensureVisible(m_nCurColumn, m_nCurRow); + selectionChanged = true; + bSuccess = true; + } + } + break; + + case cursorSelectRowAreaTop: + { + if(m_pSelEngine->GetSelectionMode() == SelectionMode::NONE) + bSuccess = false; + else if(m_pSelEngine->GetSelectionMode() == SelectionMode::Single) + bSuccess = false; + else + { + //select the region between the current and the upper row + RowPos iter = m_nCurRow; + invalidateSelectedRegion( m_nCurRow, 0 ); + //put the rows in vector + while(iter>=0) + { + if ( !isRowSelected( iter ) ) + m_aSelectedRows.push_back(iter); + --iter; + } + m_nCurRow = 0; + m_nAnchor = m_nCurRow; + m_pSelEngine->SetAnchor(true); + ensureVisible(m_nCurColumn, 0); + selectionChanged = true; + bSuccess = true; + } + } + break; + + case cursorSelectRowAreaBottom: + { + if(m_pSelEngine->GetSelectionMode() == SelectionMode::NONE) + return false; + else if(m_pSelEngine->GetSelectionMode() == SelectionMode::Single) + return false; + //select the region between the current and the last row + RowPos iter = m_nCurRow; + invalidateSelectedRegion( m_nCurRow, m_nRowCount-1 ); + //put the rows in the vector + while(iter<=m_nRowCount) + { + if ( !isRowSelected( iter ) ) + m_aSelectedRows.push_back(iter); + ++iter; + } + m_nCurRow = m_nRowCount-1; + m_nAnchor = m_nCurRow; + m_pSelEngine->SetAnchor(true); + ensureVisible(m_nCurColumn, m_nRowCount-1); + selectionChanged = true; + bSuccess = true; + } + break; + default: + OSL_FAIL( "TableControl_Impl::dispatchAction: unsupported action!" ); + break; + } + + if ( bSuccess && selectionChanged ) + { + m_rAntiImpl.Select(); + } + + return bSuccess; + } + + + void TableControl_Impl::impl_ni_doSwitchCursor( bool _bShow ) + { + PTableRenderer pRenderer = m_pModel ? m_pModel->getRenderer() : PTableRenderer(); + if ( pRenderer ) + { + tools::Rectangle aCellRect; + impl_getCellRect( m_nCurColumn, m_nCurRow, aCellRect ); + if ( _bShow ) + pRenderer->ShowCellCursor( *m_pDataWindow, aCellRect ); + else + pRenderer->HideCellCursor( *m_pDataWindow ); + } + } + + + void TableControl_Impl::impl_getCellRect( ColPos _nColumn, RowPos _nRow, tools::Rectangle& _rCellRect ) const + { + if ( !m_pModel + || ( COL_INVALID == _nColumn ) + || ( ROW_INVALID == _nRow ) + ) + { + _rCellRect.SetEmpty(); + return; + } + + TableCellGeometry aCell( *this, impl_getAllVisibleCellsArea(), _nColumn, _nRow ); + _rCellRect = aCell.getRect(); + } + + + RowPos TableControl_Impl::getRowAtPoint( const Point& rPoint ) const + { + return impl_getRowForAbscissa( rPoint.Y() ); + } + + + ColPos TableControl_Impl::getColAtPoint( const Point& rPoint ) const + { + return impl_getColumnForOrdinate( rPoint.X() ); + } + + + TableCell TableControl_Impl::hitTest( Point const & i_point ) const + { + TableCell aCell( getColAtPoint( i_point ), getRowAtPoint( i_point ) ); + if ( aCell.nColumn > COL_ROW_HEADERS ) + { + PColumnModel const pColumn = m_pModel->getColumnModel( aCell.nColumn ); + MutableColumnMetrics const & rColInfo( m_aColumnWidths[ aCell.nColumn ] ); + if ( ( rColInfo.getEnd() - 3 <= i_point.X() ) + && ( rColInfo.getEnd() >= i_point.X() ) + && pColumn->isResizable() + ) + { + aCell.eArea = ColumnDivider; + } + } + return aCell; + } + + + ColumnMetrics TableControl_Impl::getColumnMetrics( ColPos const i_column ) const + { + ENSURE_OR_RETURN( ( i_column >= 0 ) && ( i_column < m_pModel->getColumnCount() ), + "TableControl_Impl::getColumnMetrics: illegal column index!", ColumnMetrics() ); + return m_aColumnWidths[ i_column ]; + } + + + PTableModel TableControl_Impl::getModel() const + { + return m_pModel; + } + + + ColPos TableControl_Impl::getCurrentColumn() const + { + return m_nCurColumn; + } + + + RowPos TableControl_Impl::getCurrentRow() const + { + return m_nCurRow; + } + + + ::Size TableControl_Impl::getTableSizePixel() const + { + return m_pDataWindow->GetOutputSizePixel(); + } + + + void TableControl_Impl::setPointer( PointerStyle i_pointer ) + { + m_pDataWindow->SetPointer( i_pointer ); + } + + + void TableControl_Impl::captureMouse() + { + m_pDataWindow->CaptureMouse(); + } + + + void TableControl_Impl::releaseMouse() + { + m_pDataWindow->ReleaseMouse(); + } + + + void TableControl_Impl::invalidate( TableArea const i_what ) + { + switch ( i_what ) + { + case TableArea::ColumnHeaders: + m_pDataWindow->Invalidate( calcHeaderRect( true ) ); + break; + + case TableArea::RowHeaders: + m_pDataWindow->Invalidate( calcHeaderRect( false ) ); + break; + + case TableArea::All: + m_pDataWindow->Invalidate(); + m_pDataWindow->GetParent()->Invalidate( InvalidateFlags::Transparent ); + break; + } + } + + + long TableControl_Impl::pixelWidthToAppFont( long const i_pixels ) const + { + return m_pDataWindow->PixelToLogic(Size(i_pixels, 0), MapMode(MapUnit::MapAppFont)).Width(); + } + + + long TableControl_Impl::appFontWidthToPixel( long const i_appFontUnits ) const + { + return m_pDataWindow->LogicToPixel(Size(i_appFontUnits, 0), MapMode(MapUnit::MapAppFont)).Width(); + } + + + void TableControl_Impl::hideTracking() + { + m_pDataWindow->HideTracking(); + } + + + void TableControl_Impl::showTracking( tools::Rectangle const & i_location, ShowTrackFlags const i_flags ) + { + m_pDataWindow->ShowTracking( i_location, i_flags ); + } + + + void TableControl_Impl::activateCell( ColPos const i_col, RowPos const i_row ) + { + goTo( i_col, i_row ); + } + + + void TableControl_Impl::invalidateSelectedRegion( RowPos _nPrevRow, RowPos _nCurRow ) + { + // get the visible area of the table control and set the Left and right border of the region to be repainted + tools::Rectangle const aAllCells( impl_getAllVisibleCellsArea() ); + + tools::Rectangle aInvalidateRect; + aInvalidateRect.SetLeft( aAllCells.Left() ); + aInvalidateRect.SetRight( aAllCells.Right() ); + // if only one row is selected + if ( _nPrevRow == _nCurRow ) + { + tools::Rectangle aCellRect; + impl_getCellRect( m_nCurColumn, _nCurRow, aCellRect ); + aInvalidateRect.SetTop( aCellRect.Top() ); + aInvalidateRect.SetBottom( aCellRect.Bottom() ); + } + //if the region is above the current row + else if(_nPrevRow < _nCurRow ) + { + tools::Rectangle aCellRect; + impl_getCellRect( m_nCurColumn, _nPrevRow, aCellRect ); + aInvalidateRect.SetTop( aCellRect.Top() ); + impl_getCellRect( m_nCurColumn, _nCurRow, aCellRect ); + aInvalidateRect.SetBottom( aCellRect.Bottom() ); + } + //if the region is beneath the current row + else + { + tools::Rectangle aCellRect; + impl_getCellRect( m_nCurColumn, _nCurRow, aCellRect ); + aInvalidateRect.SetTop( aCellRect.Top() ); + impl_getCellRect( m_nCurColumn, _nPrevRow, aCellRect ); + aInvalidateRect.SetBottom( aCellRect.Bottom() ); + } + + invalidateRect(aInvalidateRect); + } + + void TableControl_Impl::invalidateRect(const tools::Rectangle &rInvalidateRect) + { + m_pDataWindow->Invalidate( rInvalidateRect, + m_pDataWindow->GetControlBackground().GetTransparency() ? InvalidateFlags::Transparent : InvalidateFlags::NONE ); + } + + + void TableControl_Impl::invalidateSelectedRows() + { + for (auto const& selectedRow : m_aSelectedRows) + { + invalidateRow(selectedRow); + } + } + + + void TableControl_Impl::invalidateRowRange( RowPos const i_firstRow, RowPos const i_lastRow ) + { + RowPos const firstRow = i_firstRow < m_nTopRow ? m_nTopRow : i_firstRow; + RowPos const lastVisibleRow = m_nTopRow + impl_getVisibleRows( true ) - 1; + RowPos const lastRow = ( ( i_lastRow == ROW_INVALID ) || ( i_lastRow > lastVisibleRow ) ) ? lastVisibleRow : i_lastRow; + + tools::Rectangle aInvalidateRect; + + tools::Rectangle const aVisibleCellsArea( impl_getAllVisibleCellsArea() ); + TableRowGeometry aRow( *this, aVisibleCellsArea, firstRow, true ); + while ( aRow.isValid() && ( aRow.getRow() <= lastRow ) ) + { + aInvalidateRect.Union( aRow.getRect() ); + aRow.moveDown(); + } + + if ( i_lastRow == ROW_INVALID ) + aInvalidateRect.SetBottom( m_pDataWindow->GetOutputSizePixel().Height() ); + + invalidateRect(aInvalidateRect); + } + + + void TableControl_Impl::checkCursorPosition() + { + + TableSize nVisibleRows = impl_getVisibleRows(true); + TableSize nVisibleCols = impl_getVisibleColumns(true); + if ( ( m_nTopRow + nVisibleRows > m_nRowCount ) + && ( m_nRowCount >= nVisibleRows ) + ) + { + --m_nTopRow; + } + else + { + m_nTopRow = 0; + } + + if ( ( m_nLeftColumn + nVisibleCols > m_nColumnCount ) + && ( m_nColumnCount >= nVisibleCols ) + ) + { + --m_nLeftColumn; + } + else + { + m_nLeftColumn = 0; + } + + m_pDataWindow->Invalidate(); + } + + + TableSize TableControl_Impl::impl_getVisibleRows( bool _bAcceptPartialRow ) const + { + DBG_ASSERT( m_pDataWindow, "TableControl_Impl::impl_getVisibleRows: no data window!" ); + + return lcl_getRowsFittingInto( + m_pDataWindow->GetOutputSizePixel().Height() - m_nColHeaderHeightPixel, + m_nRowHeightPixel, + _bAcceptPartialRow + ); + } + + + TableSize TableControl_Impl::impl_getVisibleColumns( bool _bAcceptPartialCol ) const + { + DBG_ASSERT( m_pDataWindow, "TableControl_Impl::impl_getVisibleColumns: no data window!" ); + + return lcl_getColumnsVisibleWithin( + tools::Rectangle( Point( 0, 0 ), m_pDataWindow->GetOutputSizePixel() ), + m_nLeftColumn, + *this, + _bAcceptPartialCol + ); + } + + + bool TableControl_Impl::goTo( ColPos _nColumn, RowPos _nRow ) + { + // TODO: give veto listeners a chance + + if ( ( _nColumn < 0 ) || ( _nColumn >= m_nColumnCount ) + || ( _nRow < 0 ) || ( _nRow >= m_nRowCount ) + ) + { + OSL_ENSURE( false, "TableControl_Impl::goTo: invalid row or column index!" ); + return false; + } + + SuppressCursor aHideCursor( *this ); + m_nCurColumn = _nColumn; + m_nCurRow = _nRow; + + // ensure that the new cell is visible + ensureVisible( m_nCurColumn, m_nCurRow ); + return true; + } + + + void TableControl_Impl::ensureVisible( ColPos _nColumn, RowPos _nRow ) + { + DBG_ASSERT( ( _nColumn >= 0 ) && ( _nColumn < m_nColumnCount ) + && ( _nRow >= 0 ) && ( _nRow < m_nRowCount ), + "TableControl_Impl::ensureVisible: invalid coordinates!" ); + + SuppressCursor aHideCursor( *this ); + + if ( _nColumn < m_nLeftColumn ) + impl_scrollColumns( _nColumn - m_nLeftColumn ); + else + { + TableSize nVisibleColumns = impl_getVisibleColumns( false/*bAcceptPartialVisibility*/ ); + if ( _nColumn > m_nLeftColumn + nVisibleColumns - 1 ) + { + impl_scrollColumns( _nColumn - ( m_nLeftColumn + nVisibleColumns - 1 ) ); + // TODO: since not all columns have the same width, this might in theory result + // in the column still not being visible. + } + } + + if ( _nRow < m_nTopRow ) + impl_scrollRows( _nRow - m_nTopRow ); + else + { + TableSize nVisibleRows = impl_getVisibleRows( false/*_bAcceptPartialVisibility*/ ); + if ( _nRow > m_nTopRow + nVisibleRows - 1 ) + impl_scrollRows( _nRow - ( m_nTopRow + nVisibleRows - 1 ) ); + } + } + + + OUString TableControl_Impl::getCellContentAsString( RowPos const i_row, ColPos const i_col ) + { + Any aCellValue; + m_pModel->getCellContent( i_col, i_row, aCellValue ); + + OUString sCellStringContent; + m_pModel->getRenderer()->GetFormattedCellString( aCellValue, sCellStringContent ); + + return sCellStringContent; + } + + + TableSize TableControl_Impl::impl_ni_ScrollRows( TableSize _nRowDelta ) + { + // compute new top row + RowPos nNewTopRow = + ::std::max( + ::std::min( static_cast<RowPos>( m_nTopRow + _nRowDelta ), static_cast<RowPos>( m_nRowCount - 1 ) ), + RowPos(0) + ); + + RowPos nOldTopRow = m_nTopRow; + m_nTopRow = nNewTopRow; + + // if updates are enabled currently, scroll the viewport + if ( m_nTopRow != nOldTopRow ) + { + SuppressCursor aHideCursor( *this ); + // TODO: call an onStartScroll at our listener (or better an own onStartScroll, + // which hides the cursor and then calls the listener) + // Same for onEndScroll + + // scroll the view port, if possible + long nPixelDelta = m_nRowHeightPixel * ( m_nTopRow - nOldTopRow ); + + tools::Rectangle aDataArea( Point( 0, m_nColHeaderHeightPixel ), m_pDataWindow->GetOutputSizePixel() ); + + if ( m_pDataWindow->GetBackground().IsScrollable() + && std::abs( nPixelDelta ) < aDataArea.GetHeight() + ) + { + m_pDataWindow->Scroll( 0, static_cast<long>(-nPixelDelta), aDataArea, ScrollFlags::Clip | ScrollFlags::Update | ScrollFlags::Children); + } + else + { + m_pDataWindow->Invalidate( InvalidateFlags::Update ); + m_pDataWindow->GetParent()->Invalidate( InvalidateFlags::Transparent ); + } + + // update the position at the vertical scrollbar + if ( m_pVScroll != nullptr ) + m_pVScroll->SetThumbPos( m_nTopRow ); + } + + // The scroll bar availability might change when we scrolled. + // For instance, imagine a view with 10 rows, if which 5 fit into the window, numbered 1 to 10. + // Now let + // - the user scroll to row number 6, so the last 5 rows are visible + // - somebody remove the last 4 rows + // - the user scroll to row number 5 being the top row, so the last two rows are visible + // - somebody remove row number 6 + // - the user scroll to row number 1 + // => in this case, the need for the scrollbar vanishes immediately. + if ( m_nTopRow == 0 ) + m_rAntiImpl.PostUserEvent( LINK( this, TableControl_Impl, OnUpdateScrollbars ) ); + + return static_cast<TableSize>( m_nTopRow - nOldTopRow ); + } + + + TableSize TableControl_Impl::impl_scrollRows( TableSize const i_rowDelta ) + { + return impl_ni_ScrollRows( i_rowDelta ); + } + + + TableSize TableControl_Impl::impl_ni_ScrollColumns( TableSize _nColumnDelta ) + { + // compute new left column + const ColPos nNewLeftColumn = + ::std::max( + ::std::min( static_cast<ColPos>( m_nLeftColumn + _nColumnDelta ), static_cast<ColPos>( m_nColumnCount - 1 ) ), + ColPos(0) + ); + + const ColPos nOldLeftColumn = m_nLeftColumn; + m_nLeftColumn = nNewLeftColumn; + + // if updates are enabled currently, scroll the viewport + if ( m_nLeftColumn != nOldLeftColumn ) + { + SuppressCursor aHideCursor( *this ); + // TODO: call an onStartScroll at our listener (or better an own onStartScroll, + // which hides the cursor and then calls the listener) + // Same for onEndScroll + + // scroll the view port, if possible + const tools::Rectangle aDataArea( Point( m_nRowHeaderWidthPixel, 0 ), m_pDataWindow->GetOutputSizePixel() ); + + long nPixelDelta = + m_aColumnWidths[ nOldLeftColumn ].getStart() + - m_aColumnWidths[ m_nLeftColumn ].getStart(); + + // update our column positions + // Do this *before* scrolling, as ScrollFlags::Update will trigger a paint, which already needs the correct + // information in m_aColumnWidths + for (auto & columnWidth : m_aColumnWidths) + { + columnWidth.move(nPixelDelta); + } + + // scroll the window content (if supported and possible), or invalidate the complete window + if ( m_pDataWindow->GetBackground().IsScrollable() + && std::abs( nPixelDelta ) < aDataArea.GetWidth() + ) + { + m_pDataWindow->Scroll( nPixelDelta, 0, aDataArea, ScrollFlags::Clip | ScrollFlags::Update ); + } + else + { + m_pDataWindow->Invalidate( InvalidateFlags::Update ); + m_pDataWindow->GetParent()->Invalidate( InvalidateFlags::Transparent ); + } + + // update the position at the horizontal scrollbar + if ( m_pHScroll != nullptr ) + m_pHScroll->SetThumbPos( m_nLeftColumn ); + } + + // The scroll bar availability might change when we scrolled. This is because we do not hide + // the scrollbar when it is, in theory, unnecessary, but currently at a position > 0. In this case, it will + // be auto-hidden when it's scrolled back to pos 0. + if ( m_nLeftColumn == 0 ) + m_rAntiImpl.PostUserEvent( LINK( this, TableControl_Impl, OnUpdateScrollbars ) ); + + return static_cast<TableSize>( m_nLeftColumn - nOldLeftColumn ); + } + + + TableSize TableControl_Impl::impl_scrollColumns( TableSize const i_columnDelta ) + { + return impl_ni_ScrollColumns( i_columnDelta ); + } + + + SelectionEngine* TableControl_Impl::getSelEngine() + { + return m_pSelEngine.get(); + } + + bool TableControl_Impl::isRowSelected( RowPos i_row ) const + { + return ::std::find( m_aSelectedRows.begin(), m_aSelectedRows.end(), i_row ) != m_aSelectedRows.end(); + } + + + RowPos TableControl_Impl::getSelectedRowIndex( size_t const i_selectionIndex ) const + { + if ( i_selectionIndex < m_aSelectedRows.size() ) + return m_aSelectedRows[ i_selectionIndex ]; + return ROW_INVALID; + } + + + int TableControl_Impl::getRowSelectedNumber(const ::std::vector<RowPos>& selectedRows, RowPos current) + { + std::vector<RowPos>::const_iterator it = ::std::find(selectedRows.begin(),selectedRows.end(),current); + if ( it != selectedRows.end() ) + { + return it - selectedRows.begin(); + } + return -1; + } + + + ColPos TableControl_Impl::impl_getColumnForOrdinate( long const i_ordinate ) const + { + if ( ( m_aColumnWidths.empty() ) || ( i_ordinate < 0 ) ) + return COL_INVALID; + + if ( i_ordinate < m_nRowHeaderWidthPixel ) + return COL_ROW_HEADERS; + + ColumnPositions::const_iterator lowerBound = ::std::lower_bound( + m_aColumnWidths.begin(), + m_aColumnWidths.end(), + MutableColumnMetrics(i_ordinate+1, i_ordinate+1), + ColumnInfoPositionLess() + ); + if ( lowerBound == m_aColumnWidths.end() ) + { + // point is *behind* the start of the last column ... + if ( i_ordinate < m_aColumnWidths.rbegin()->getEnd() ) + // ... but still before its end + return m_nColumnCount - 1; + return COL_INVALID; + } + return lowerBound - m_aColumnWidths.begin(); + } + + + RowPos TableControl_Impl::impl_getRowForAbscissa( long const i_abscissa ) const + { + if ( i_abscissa < 0 ) + return ROW_INVALID; + + if ( i_abscissa < m_nColHeaderHeightPixel ) + return ROW_COL_HEADERS; + + long const abscissa = i_abscissa - m_nColHeaderHeightPixel; + long const row = m_nTopRow + abscissa / m_nRowHeightPixel; + return row < m_pModel->getRowCount() ? row : ROW_INVALID; + } + + + bool TableControl_Impl::markRowAsDeselected( RowPos const i_rowIndex ) + { + ::std::vector< RowPos >::iterator selPos = ::std::find( m_aSelectedRows.begin(), m_aSelectedRows.end(), i_rowIndex ); + if ( selPos == m_aSelectedRows.end() ) + return false; + + m_aSelectedRows.erase( selPos ); + return true; + } + + + bool TableControl_Impl::markRowAsSelected( RowPos const i_rowIndex ) + { + if ( isRowSelected( i_rowIndex ) ) + return false; + + SelectionMode const eSelMode = getSelEngine()->GetSelectionMode(); + switch ( eSelMode ) + { + case SelectionMode::Single: + if ( !m_aSelectedRows.empty() ) + { + OSL_ENSURE( m_aSelectedRows.size() == 1, "TableControl::markRowAsSelected: SingleSelection with more than one selected element?" ); + m_aSelectedRows[0] = i_rowIndex; + break; + } + [[fallthrough]]; + + case SelectionMode::Multiple: + m_aSelectedRows.push_back( i_rowIndex ); + break; + + default: + OSL_ENSURE( false, "TableControl_Impl::markRowAsSelected: unsupported selection mode!" ); + return false; + } + + return true; + } + + + bool TableControl_Impl::markAllRowsAsDeselected() + { + if ( m_aSelectedRows.empty() ) + return false; + + m_aSelectedRows.clear(); + return true; + } + + + bool TableControl_Impl::markAllRowsAsSelected() + { + SelectionMode const eSelMode = getSelEngine()->GetSelectionMode(); + ENSURE_OR_RETURN_FALSE( eSelMode == SelectionMode::Multiple, "TableControl_Impl::markAllRowsAsSelected: unsupported selection mode!" ); + + if ( m_aSelectedRows.size() == size_t( m_pModel->getRowCount() ) ) + { + #if OSL_DEBUG_LEVEL > 0 + for ( TableSize row = 0; row < m_pModel->getRowCount(); ++row ) + { + OSL_ENSURE( isRowSelected( row ), "TableControl_Impl::markAllRowsAsSelected: inconsistency in the selected rows!" ); + } + #endif + // already all rows marked as selected + return false; + } + + m_aSelectedRows.clear(); + for ( RowPos i=0; i < m_pModel->getRowCount(); ++i ) + m_aSelectedRows.push_back(i); + + return true; + } + + + void TableControl_Impl::commitAccessibleEvent( sal_Int16 const i_eventID ) + { + impl_commitAccessibleEvent( i_eventID, Any() ); + } + + + void TableControl_Impl::commitCellEvent( sal_Int16 const i_eventID, const Any& i_newValue, const Any& i_oldValue ) + { + if ( impl_isAccessibleAlive() ) + m_pAccessibleTable->commitCellEvent( i_eventID, i_newValue, i_oldValue ); + } + + + void TableControl_Impl::commitTableEvent( sal_Int16 const i_eventID, const Any& i_newValue, const Any& i_oldValue ) + { + if ( impl_isAccessibleAlive() ) + m_pAccessibleTable->commitTableEvent( i_eventID, i_newValue, i_oldValue ); + } + + + tools::Rectangle TableControl_Impl::calcHeaderRect(bool bColHeader) + { + tools::Rectangle const aRectTableWithHeaders( impl_getAllVisibleCellsArea() ); + Size const aSizeTableWithHeaders( aRectTableWithHeaders.GetSize() ); + if ( bColHeader ) + return tools::Rectangle( aRectTableWithHeaders.TopLeft(), Size( aSizeTableWithHeaders.Width(), m_nColHeaderHeightPixel ) ); + else + return tools::Rectangle( aRectTableWithHeaders.TopLeft(), Size( m_nRowHeaderWidthPixel, aSizeTableWithHeaders.Height() ) ); + } + + + tools::Rectangle TableControl_Impl::calcHeaderCellRect( bool bColHeader, sal_Int32 nPos ) + { + tools::Rectangle const aHeaderRect = calcHeaderRect( bColHeader ); + TableCellGeometry const aGeometry( + *this, aHeaderRect, + bColHeader ? nPos : COL_ROW_HEADERS, + bColHeader ? ROW_COL_HEADERS : nPos + ); + return aGeometry.getRect(); + } + + + tools::Rectangle TableControl_Impl::calcTableRect() + { + return impl_getAllVisibleDataCellArea(); + } + + + tools::Rectangle TableControl_Impl::calcCellRect( sal_Int32 nRow, sal_Int32 nCol ) + { + tools::Rectangle aCellRect; + impl_getCellRect( nRow, nCol, aCellRect ); + return aCellRect; + } + + + IMPL_LINK_NOARG( TableControl_Impl, OnUpdateScrollbars, void*, void ) + { + // TODO: can't we simply use lcl_updateScrollbar here, so the scrollbars ranges are updated, instead of + // doing a complete re-layout? + impl_ni_relayout(); + } + + + IMPL_LINK( TableControl_Impl, OnScroll, ScrollBar*, _pScrollbar, void ) + { + DBG_ASSERT( ( _pScrollbar == m_pVScroll ) || ( _pScrollbar == m_pHScroll ), + "TableControl_Impl::OnScroll: where did this come from?" ); + + if ( _pScrollbar == m_pVScroll ) + impl_ni_ScrollRows( _pScrollbar->GetDelta() ); + else + impl_ni_ScrollColumns( _pScrollbar->GetDelta() ); + } + + + Reference< XAccessible > TableControl_Impl::getAccessible( vcl::Window& i_parentWindow ) + { + DBG_TESTSOLARMUTEX(); + if ( m_pAccessibleTable == nullptr ) + { + Reference< XAccessible > const xAccParent = i_parentWindow.GetAccessible(); + if ( xAccParent.is() ) + { + m_pAccessibleTable = m_aFactoryAccess.getFactory().createAccessibleTableControl( + xAccParent, m_rAntiImpl + ); + } + } + + Reference< XAccessible > xAccessible; + if ( m_pAccessibleTable ) + xAccessible = m_pAccessibleTable->getMyself(); + return xAccessible; + } + + + void TableControl_Impl::disposeAccessible() + { + if ( m_pAccessibleTable ) + m_pAccessibleTable->DisposeAccessImpl(); + m_pAccessibleTable = nullptr; + } + + + bool TableControl_Impl::impl_isAccessibleAlive() const + { + return ( nullptr != m_pAccessibleTable ) && m_pAccessibleTable->isAlive(); + } + + + void TableControl_Impl::impl_commitAccessibleEvent( sal_Int16 const i_eventID, Any const & i_newValue ) + { + if ( impl_isAccessibleAlive() ) + m_pAccessibleTable->commitEvent( i_eventID, i_newValue ); + } + + + //= TableFunctionSet + + + TableFunctionSet::TableFunctionSet(TableControl_Impl* _pTableControl) + :m_pTableControl( _pTableControl) + ,m_nCurrentRow( ROW_INVALID ) + { + } + + TableFunctionSet::~TableFunctionSet() + { + } + + void TableFunctionSet::BeginDrag() + { + } + + void TableFunctionSet::CreateAnchor() + { + m_pTableControl->setAnchor( m_pTableControl->getCurRow() ); + } + + + void TableFunctionSet::DestroyAnchor() + { + m_pTableControl->setAnchor( ROW_INVALID ); + } + + + void TableFunctionSet::SetCursorAtPoint(const Point& rPoint, bool bDontSelectAtCursor) + { + // newRow is the row which includes the point, getCurRow() is the last selected row, before the mouse click + RowPos newRow = m_pTableControl->getRowAtPoint( rPoint ); + if ( newRow == ROW_COL_HEADERS ) + newRow = m_pTableControl->getTopRow(); + + ColPos newCol = m_pTableControl->getColAtPoint( rPoint ); + if ( newCol == COL_ROW_HEADERS ) + newCol = m_pTableControl->getLeftColumn(); + + if ( ( newRow == ROW_INVALID ) || ( newCol == COL_INVALID ) ) + return; + + if ( bDontSelectAtCursor ) + { + if ( m_pTableControl->getSelectedRowCount() > 1 ) + m_pTableControl->getSelEngine()->AddAlways(true); + } + else if ( m_pTableControl->getAnchor() == m_pTableControl->getCurRow() ) + { + //selected region lies above the last selection + if( m_pTableControl->getCurRow() >= newRow) + { + //put selected rows in vector + while ( m_pTableControl->getAnchor() >= newRow ) + { + m_pTableControl->markRowAsSelected( m_pTableControl->getAnchor() ); + m_pTableControl->setAnchor( m_pTableControl->getAnchor() - 1 ); + } + m_pTableControl->setAnchor( m_pTableControl->getAnchor() + 1 ); + } + //selected region lies beneath the last selected row + else + { + while ( m_pTableControl->getAnchor() <= newRow ) + { + m_pTableControl->markRowAsSelected( m_pTableControl->getAnchor() ); + m_pTableControl->setAnchor( m_pTableControl->getAnchor() + 1 ); + } + m_pTableControl->setAnchor( m_pTableControl->getAnchor() - 1 ); + } + m_pTableControl->invalidateSelectedRegion( m_pTableControl->getCurRow(), newRow ); + } + //no region selected + else + { + if ( !m_pTableControl->hasRowSelection() ) + m_pTableControl->markRowAsSelected( newRow ); + else + { + if ( m_pTableControl->getSelEngine()->GetSelectionMode() == SelectionMode::Single ) + { + DeselectAll(); + m_pTableControl->markRowAsSelected( newRow ); + } + else + { + m_pTableControl->markRowAsSelected( newRow ); + } + } + if ( m_pTableControl->getSelectedRowCount() > 1 && m_pTableControl->getSelEngine()->GetSelectionMode() != SelectionMode::Single ) + m_pTableControl->getSelEngine()->AddAlways(true); + + m_pTableControl->invalidateRow( newRow ); + } + m_pTableControl->goTo( newCol, newRow ); + } + + bool TableFunctionSet::IsSelectionAtPoint( const Point& rPoint ) + { + m_pTableControl->getSelEngine()->AddAlways(false); + if ( !m_pTableControl->hasRowSelection() ) + return false; + else + { + RowPos curRow = m_pTableControl->getRowAtPoint( rPoint ); + m_pTableControl->setAnchor( ROW_INVALID ); + bool selected = m_pTableControl->isRowSelected( curRow ); + m_nCurrentRow = curRow; + return selected; + } + } + + void TableFunctionSet::DeselectAtPoint( const Point& ) + { + m_pTableControl->invalidateRow( m_nCurrentRow ); + m_pTableControl->markRowAsDeselected( m_nCurrentRow ); + } + + + void TableFunctionSet::DeselectAll() + { + if ( m_pTableControl->hasRowSelection() ) + { + for ( size_t i=0; i<m_pTableControl->getSelectedRowCount(); ++i ) + { + RowPos const rowIndex = m_pTableControl->getSelectedRowIndex(i); + m_pTableControl->invalidateRow( rowIndex ); + } + + m_pTableControl->markAllRowsAsDeselected(); + } + } + + +} // namespace svt::table + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |