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

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/* -*- 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 <controls/table/tablecontrol.hxx>
#include <controls/table/defaultinputhandler.hxx>
#include <controls/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/toolkit/scrbar.hxx>
#include <vcl/seleng.hxx>
#include <vcl/settings.hxx>
#include <vcl/image.hxx>
#include <comphelper/diagnose_ex.hxx>
#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::Any;
using ::com::sun::star::accessibility::XAccessible;
using ::com::sun::star::uno::Reference;
namespace AccessibleEventId = css::accessibility::AccessibleEventId;
namespace AccessibleTableModelChangeType = css::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_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,
Any( AccessibleTableModelChange( AccessibleTableModelChangeType::ROWS_INSERTED, i_first, i_last, -1, -1 ) )
);
}
// 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,
Any( AccessibleTableModelChange(
AccessibleTableModelChangeType::ROWS_REMOVED,
firstRemovedRow,
lastRemovedRow,
-1,
-1
) ),
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 tools::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);
++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( tools::Long const i_position, ScrollbarVisibility const i_visibility,
tools::Long const i_availableSpace, tools::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, tools::Long _nVisibleUnits,
tools::Long _nPosition, tools::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( tools::Long _nOverallHeight, tools::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;
}
}
tools::Long TableControl_Impl::impl_ni_calculateColumnWidths( ColPos const i_assumeInflexibleColumnsUpToIncluding,
bool const i_assumeVerticalScrollbar, ::std::vector< tools::Long >& o_newColWidthsPixel ) const
{
// the available horizontal space
tools::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 ) )
{
tools::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
tools::Long accumulatedCurrentWidth = 0;
::std::vector< tools::Long > currentColWidths;
currentColWidths.reserve( colCount );
typedef ::std::vector< ::std::pair< tools::Long, long > > ColumnLimits;
ColumnLimits effectiveColumnLimits;
effectiveColumnLimits.reserve( colCount );
tools::Long accumulatedMinWidth = 0;
tools::Long accumulatedMaxWidth = 0;
// - their relative flexibility
::std::vector< ::sal_Int32 > columnFlexibilities;
columnFlexibilities.reserve( colCount );
tools::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
tools::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
tools::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 )
{
tools::Long const minWidth = appFontWidthToPixel( pColumn->getMinWidth() );
if ( minWidth > 0 )
effectiveMin = minWidth;
else
effectiveMin = MIN_COLUMN_WIDTH_PIXEL;
tools::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 ...
tools::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 )
{
tools::Long const columnFlexibility = columnFlexibilities[i];
if ( columnFlexibility == 0 )
continue;
tools::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 ...
tools::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 ...
tools::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 )
{
tools::Long const columnFlexibility = columnFlexibilities[i];
if ( columnFlexibility == 0 )
continue;
tools::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 ...
tools::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< tools::Long > newWidthsPixel;
tools::Long gridWidthPixel = impl_ni_calculateColumnWidths( i_assumeInflexibleColumnsUpToIncluding, true, newWidthsPixel );
// the width/height of a scrollbar, needed several times below
tools::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?" );
tools::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 );
tools::Long accumulatedWidthPixel = m_nRowHeaderWidthPixel;
bool anyColumnWidthChanged = false;
for ( ColPos col = 0; col < colCount; ++col )
{
const tools::Long columnStart = accumulatedWidthPixel;
const tools::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!" );
tools::Long const oldColumnWidthAppFont = pColumn->getWidth();
tools::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 tools::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 )
{
tools::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;
}
}
tools::Long TableControl_Impl::pixelWidthToAppFont( tools::Long const i_pixels ) const
{
return m_pDataWindow->PixelToLogic(Size(i_pixels, 0), MapMode(MapUnit::MapAppFont)).Width();
}
tools::Long TableControl_Impl::appFontWidthToPixel( tools::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().IsTransparent() ? 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
tools::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<tools::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() );
tools::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( tools::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( tools::Long const i_abscissa ) const
{
if ( i_abscissa < 0 )
return ROW_INVALID;
if ( i_abscissa < m_nColHeaderHeightPixel )
return ROW_COL_HEADERS;
tools::Long const abscissa = i_abscissa - m_nColHeaderHeightPixel;
tools::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() const
{
return impl_getAllVisibleDataCellArea();
}
tools::Rectangle TableControl_Impl::calcCellRect( sal_Int32 nRow, sal_Int32 nCol ) const
{
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() );
}
const rtl::Reference<vcl::table::IAccessibleTableControl> & TableControl_Impl::getAccessible( vcl::Window& i_parentWindow )
{
if (m_pAccessibleTable)
return m_pAccessibleTable;
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
);
}
}
return m_pAccessibleTable;
}
void TableControl_Impl::disposeAccessible()
{
if ( m_pAccessibleTable )
m_pAccessibleTable->DisposeAccessImpl();
m_pAccessibleTable = nullptr;
}
bool TableControl_Impl::impl_isAccessibleAlive() const
{
return 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: */
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