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603 | /* -*- 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 "cellvalueconversion.hxx"
#include <table/gridtablerenderer.hxx>
#include <table/tablesort.hxx>
#include <com/sun/star/graphic/XGraphic.hpp>
#include <tools/debug.hxx>
#include <tools/diagnose_ex.h>
#include <vcl/window.hxx>
#include <vcl/image.hxx>
#include <vcl/virdev.hxx>
#include <vcl/decoview.hxx>
#include <vcl/settings.hxx>
namespace svt::table
{
using ::css::uno::Any;
using ::css::uno::Reference;
using ::css::uno::UNO_QUERY;
using ::css::uno::XInterface;
using ::css::uno::TypeClass_INTERFACE;
using ::css::graphic::XGraphic;
using ::css::style::HorizontalAlignment;
using ::css::style::HorizontalAlignment_CENTER;
using ::css::style::HorizontalAlignment_RIGHT;
using ::css::style::VerticalAlignment;
using ::css::style::VerticalAlignment_MIDDLE;
using ::css::style::VerticalAlignment_BOTTOM;
//= CachedSortIndicator
namespace {
class CachedSortIndicator
{
public:
CachedSortIndicator()
: m_lastHeaderHeight( 0 )
, m_lastArrowColor( COL_TRANSPARENT )
{
}
BitmapEx const & getBitmapFor(vcl::RenderContext const & i_device, long const i_headerHeight,
StyleSettings const & i_style, bool const i_sortAscending);
private:
long m_lastHeaderHeight;
Color m_lastArrowColor;
BitmapEx m_sortAscending;
BitmapEx m_sortDescending;
};
}
BitmapEx const & CachedSortIndicator::getBitmapFor(vcl::RenderContext const& i_device, long const i_headerHeight,
StyleSettings const & i_style, bool const i_sortAscending )
{
BitmapEx& rBitmap(i_sortAscending ? m_sortAscending : m_sortDescending);
if (!rBitmap || (i_headerHeight != m_lastHeaderHeight) || (i_style.GetActiveColor() != m_lastArrowColor))
{
long const nSortIndicatorWidth = 2 * i_headerHeight / 3;
long const nSortIndicatorHeight = 2 * nSortIndicatorWidth / 3;
Point const aBitmapPos( 0, 0 );
Size const aBitmapSize( nSortIndicatorWidth, nSortIndicatorHeight );
ScopedVclPtrInstance< VirtualDevice > aDevice(i_device, DeviceFormat::DEFAULT,
DeviceFormat::DEFAULT);
aDevice->SetOutputSizePixel( aBitmapSize );
DecorationView aDecoView(aDevice.get());
aDecoView.DrawSymbol(tools::Rectangle(aBitmapPos, aBitmapSize),
i_sortAscending ? SymbolType::SPIN_UP : SymbolType::SPIN_DOWN,
i_style.GetActiveColor());
rBitmap = aDevice->GetBitmapEx(aBitmapPos, aBitmapSize);
m_lastHeaderHeight = i_headerHeight;
m_lastArrowColor = i_style.GetActiveColor();
}
return rBitmap;
}
//= GridTableRenderer_Impl
struct GridTableRenderer_Impl
{
ITableModel& rModel;
RowPos nCurrentRow;
bool bUseGridLines;
CachedSortIndicator aSortIndicator;
CellValueConversion aStringConverter;
explicit GridTableRenderer_Impl( ITableModel& _rModel )
: rModel( _rModel )
, nCurrentRow( ROW_INVALID )
, bUseGridLines( true )
, aSortIndicator( )
, aStringConverter()
{
}
};
//= helper
namespace
{
tools::Rectangle lcl_getContentArea( GridTableRenderer_Impl const & i_impl, tools::Rectangle const & i_cellArea )
{
tools::Rectangle aContentArea( i_cellArea );
if ( i_impl.bUseGridLines )
{
aContentArea.AdjustRight( -1 );
aContentArea.AdjustBottom( -1 );
}
return aContentArea;
}
tools::Rectangle lcl_getTextRenderingArea( tools::Rectangle const & i_contentArea )
{
tools::Rectangle aTextArea( i_contentArea );
aTextArea.AdjustLeft(2 ); aTextArea.AdjustRight( -2 );
aTextArea.AdjustTop( 1 ); aTextArea.AdjustBottom( -1 );
return aTextArea;
}
DrawTextFlags lcl_getAlignmentTextDrawFlags( GridTableRenderer_Impl const & i_impl, ColPos const i_columnPos )
{
DrawTextFlags nVertFlag = DrawTextFlags::Top;
VerticalAlignment const eVertAlign = i_impl.rModel.getVerticalAlign();
switch ( eVertAlign )
{
case VerticalAlignment_MIDDLE: nVertFlag = DrawTextFlags::VCenter; break;
case VerticalAlignment_BOTTOM: nVertFlag = DrawTextFlags::Bottom; break;
default:
break;
}
DrawTextFlags nHorzFlag = DrawTextFlags::Left;
HorizontalAlignment const eHorzAlign = i_impl.rModel.getColumnCount() > 0
? i_impl.rModel.getColumnModel( i_columnPos )->getHorizontalAlign()
: HorizontalAlignment_CENTER;
switch ( eHorzAlign )
{
case HorizontalAlignment_CENTER: nHorzFlag = DrawTextFlags::Center; break;
case HorizontalAlignment_RIGHT: nHorzFlag = DrawTextFlags::Right; break;
default:
break;
}
return nVertFlag | nHorzFlag;
}
}
//= GridTableRenderer
GridTableRenderer::GridTableRenderer( ITableModel& _rModel )
:m_pImpl( new GridTableRenderer_Impl( _rModel ) )
{
}
GridTableRenderer::~GridTableRenderer()
{
}
bool GridTableRenderer::useGridLines() const
{
return m_pImpl->bUseGridLines;
}
void GridTableRenderer::useGridLines( bool const i_use )
{
m_pImpl->bUseGridLines = i_use;
}
namespace
{
Color lcl_getEffectiveColor(std::optional<Color> const& i_modelColor,
StyleSettings const& i_styleSettings,
Color const& (StyleSettings::*i_getDefaultColor) () const)
{
if (!!i_modelColor)
return *i_modelColor;
return (i_styleSettings.*i_getDefaultColor)();
}
}
void GridTableRenderer::PaintHeaderArea(vcl::RenderContext& rRenderContext, const tools::Rectangle& _rArea,
bool _bIsColHeaderArea, bool _bIsRowHeaderArea, const StyleSettings& _rStyle)
{
OSL_PRECOND(_bIsColHeaderArea || _bIsRowHeaderArea, "GridTableRenderer::PaintHeaderArea: invalid area flags!");
rRenderContext.Push(PushFlags::FILLCOLOR | PushFlags::LINECOLOR);
Color const background = lcl_getEffectiveColor(m_pImpl->rModel.getHeaderBackgroundColor(),
_rStyle, &StyleSettings::GetDialogColor);
rRenderContext.SetFillColor(background);
rRenderContext.SetLineColor();
rRenderContext.DrawRect(_rArea);
// delimiter lines at bottom/right
std::optional<Color> aLineColor(m_pImpl->rModel.getLineColor());
Color const lineColor = !aLineColor ? _rStyle.GetSeparatorColor() : *aLineColor;
rRenderContext.SetLineColor(lineColor);
rRenderContext.DrawLine(_rArea.BottomLeft(), _rArea.BottomRight());
rRenderContext.DrawLine(_rArea.BottomRight(), _rArea.TopRight());
rRenderContext.Pop();
}
void GridTableRenderer::PaintColumnHeader(
ColPos _nCol,
vcl::RenderContext& rRenderContext,
const tools::Rectangle& _rArea, const StyleSettings& _rStyle)
{
rRenderContext.Push(PushFlags::LINECOLOR);
OUString sHeaderText;
PColumnModel const pColumn = m_pImpl->rModel.getColumnModel( _nCol );
DBG_ASSERT( pColumn, "GridTableRenderer::PaintColumnHeader: invalid column model object!" );
if ( pColumn )
sHeaderText = pColumn->getName();
Color const textColor = lcl_getEffectiveColor( m_pImpl->rModel.getTextColor(), _rStyle, &StyleSettings::GetFieldTextColor );
rRenderContext.SetTextColor(textColor);
tools::Rectangle const aTextRect( lcl_getTextRenderingArea( lcl_getContentArea( *m_pImpl, _rArea ) ) );
DrawTextFlags nDrawTextFlags = lcl_getAlignmentTextDrawFlags( *m_pImpl, _nCol ) | DrawTextFlags::Clip;
if (!m_pImpl->rModel.isEnabled())
nDrawTextFlags |= DrawTextFlags::Disable;
rRenderContext.DrawText( aTextRect, sHeaderText, nDrawTextFlags );
std::optional<Color> const aLineColor( m_pImpl->rModel.getLineColor() );
Color const lineColor = !aLineColor ? _rStyle.GetSeparatorColor() : *aLineColor;
rRenderContext.SetLineColor( lineColor );
rRenderContext.DrawLine( _rArea.BottomRight(), _rArea.TopRight());
rRenderContext.DrawLine( _rArea.BottomLeft(), _rArea.BottomRight() );
// draw sort indicator if the model data is sorted by the given column
ITableDataSort const * pSortAdapter = m_pImpl->rModel.getSortAdapter();
ColumnSort aCurrentSortOrder;
if ( pSortAdapter != nullptr )
aCurrentSortOrder = pSortAdapter->getCurrentSortOrder();
if ( aCurrentSortOrder.nColumnPos == _nCol )
{
long const nHeaderHeight( _rArea.GetHeight() );
BitmapEx const aIndicatorBitmap = m_pImpl->aSortIndicator.getBitmapFor(rRenderContext, nHeaderHeight, _rStyle,
aCurrentSortOrder.eSortDirection == ColumnSortAscending);
Size const aBitmapSize( aIndicatorBitmap.GetSizePixel() );
long const nSortIndicatorPaddingX = 2;
long const nSortIndicatorPaddingY = ( nHeaderHeight - aBitmapSize.Height() ) / 2;
if ( nDrawTextFlags & DrawTextFlags::Right )
{
// text is right aligned => draw the sort indicator at the left hand side
rRenderContext.DrawBitmapEx(Point(_rArea.Left() + nSortIndicatorPaddingX, _rArea.Top() + nSortIndicatorPaddingY),
aIndicatorBitmap);
}
else
{
// text is left-aligned or centered => draw the sort indicator at the right hand side
rRenderContext.DrawBitmapEx(Point(_rArea.Right() - nSortIndicatorPaddingX - aBitmapSize.Width(), nSortIndicatorPaddingY),
aIndicatorBitmap);
}
}
rRenderContext.Pop();
}
void GridTableRenderer::PrepareRow(RowPos _nRow, bool i_hasControlFocus, bool _bSelected, vcl::RenderContext& rRenderContext,
const tools::Rectangle& _rRowArea, const StyleSettings& _rStyle)
{
// remember the row for subsequent calls to the other ->ITableRenderer methods
m_pImpl->nCurrentRow = _nRow;
rRenderContext.Push(PushFlags::FILLCOLOR | PushFlags::LINECOLOR);
Color backgroundColor = _rStyle.GetFieldColor();<--- backgroundColor is initialized
std::optional<Color> const aLineColor( m_pImpl->rModel.getLineColor() );
Color lineColor = !aLineColor ? _rStyle.GetSeparatorColor() : *aLineColor;<--- Variable 'lineColor' is assigned a value that is never used.
Color const activeSelectionBackColor = lcl_getEffectiveColor(m_pImpl->rModel.getActiveSelectionBackColor(),
_rStyle, &StyleSettings::GetHighlightColor);
if (_bSelected)
{
// selected rows use the background color from the style
backgroundColor = i_hasControlFocus<--- backgroundColor is overwritten
? activeSelectionBackColor
: lcl_getEffectiveColor(m_pImpl->rModel.getInactiveSelectionBackColor(), _rStyle, &StyleSettings::GetDeactiveColor);
if (!aLineColor)
lineColor = backgroundColor;<--- Variable 'lineColor' is assigned a value that is never used.
}
else
{
std::optional< std::vector<Color> > aRowColors = m_pImpl->rModel.getRowBackgroundColors();
if (!aRowColors)
{
// use alternating default colors
Color const fieldColor = _rStyle.GetFieldColor();
if (_rStyle.GetHighContrastMode() || ((m_pImpl->nCurrentRow % 2) == 0))
{
backgroundColor = fieldColor;
}
else
{
Color hilightColor = activeSelectionBackColor;
hilightColor.SetRed( 9 * ( fieldColor.GetRed() - hilightColor.GetRed() ) / 10 + hilightColor.GetRed() );
hilightColor.SetGreen( 9 * ( fieldColor.GetGreen() - hilightColor.GetGreen() ) / 10 + hilightColor.GetGreen() );
hilightColor.SetBlue( 9 * ( fieldColor.GetBlue() - hilightColor.GetBlue() ) / 10 + hilightColor.GetBlue() );
backgroundColor = hilightColor;
}
}
else
{
if (aRowColors->empty())
{
// all colors have the same background color
backgroundColor = _rStyle.GetFieldColor();
}
else
{
backgroundColor = aRowColors->at(m_pImpl->nCurrentRow % aRowColors->size());
}
}
}
rRenderContext.SetLineColor();
rRenderContext.SetFillColor(backgroundColor);
rRenderContext.DrawRect(_rRowArea);
rRenderContext.Pop();
}
void GridTableRenderer::PaintRowHeader(vcl::RenderContext& rRenderContext,
const tools::Rectangle& _rArea, const StyleSettings& _rStyle)
{
rRenderContext.Push( PushFlags::LINECOLOR | PushFlags::TEXTCOLOR );
std::optional<Color> const aLineColor( m_pImpl->rModel.getLineColor() );
Color const lineColor = !aLineColor ? _rStyle.GetSeparatorColor() : *aLineColor;
rRenderContext.SetLineColor(lineColor);
rRenderContext.DrawLine(_rArea.BottomLeft(), _rArea.BottomRight());
Any const rowHeading( m_pImpl->rModel.getRowHeading( m_pImpl->nCurrentRow ) );
OUString const rowTitle( m_pImpl->aStringConverter.convertToString( rowHeading ) );
if (!rowTitle.isEmpty())
{
Color const textColor = lcl_getEffectiveColor(m_pImpl->rModel.getHeaderTextColor(),
_rStyle, &StyleSettings::GetFieldTextColor);
rRenderContext.SetTextColor(textColor);
tools::Rectangle const aTextRect(lcl_getTextRenderingArea(lcl_getContentArea(*m_pImpl, _rArea)));
DrawTextFlags nDrawTextFlags = lcl_getAlignmentTextDrawFlags(*m_pImpl, 0) | DrawTextFlags::Clip;
if (!m_pImpl->rModel.isEnabled())
nDrawTextFlags |= DrawTextFlags::Disable;
// TODO: is using the horizontal alignment of the 0'th column a good idea here? This is pretty ... arbitrary ..
rRenderContext.DrawText(aTextRect, rowTitle, nDrawTextFlags);
}
rRenderContext.Pop();
}
struct GridTableRenderer::CellRenderContext
{
OutputDevice& rDevice;
tools::Rectangle const aContentArea;
StyleSettings const & rStyle;
ColPos const nColumn;
bool const bSelected;
bool const bHasControlFocus;
CellRenderContext( OutputDevice& i_device, tools::Rectangle const & i_contentArea,
StyleSettings const & i_style, ColPos const i_column, bool const i_selected, bool const i_hasControlFocus )
:rDevice( i_device )
,aContentArea( i_contentArea )
,rStyle( i_style )
,nColumn( i_column )
,bSelected( i_selected )
,bHasControlFocus( i_hasControlFocus )
{
}
};
void GridTableRenderer::PaintCell(ColPos const i_column, bool _bSelected, bool i_hasControlFocus,
vcl::RenderContext& rRenderContext, const tools::Rectangle& _rArea, const StyleSettings& _rStyle)
{
rRenderContext.Push(PushFlags::LINECOLOR | PushFlags::FILLCOLOR);
tools::Rectangle const aContentArea(lcl_getContentArea(*m_pImpl, _rArea));
CellRenderContext const aCellRenderContext(rRenderContext, aContentArea, _rStyle, i_column, _bSelected, i_hasControlFocus);
impl_paintCellContent(aCellRenderContext);
if ( m_pImpl->bUseGridLines )
{
::std::optional< ::Color > aLineColor( m_pImpl->rModel.getLineColor() );
::Color lineColor = !aLineColor ? _rStyle.GetSeparatorColor() : *aLineColor;
if ( _bSelected && !aLineColor )
{
// if no line color is specified by the model, use the usual selection color for lines in selected cells
lineColor = i_hasControlFocus
? lcl_getEffectiveColor( m_pImpl->rModel.getActiveSelectionBackColor(), _rStyle, &StyleSettings::GetHighlightColor )
: lcl_getEffectiveColor( m_pImpl->rModel.getInactiveSelectionBackColor(), _rStyle, &StyleSettings::GetDeactiveColor );
}
rRenderContext.SetLineColor( lineColor );
rRenderContext.DrawLine( _rArea.BottomLeft(), _rArea.BottomRight() );
rRenderContext.DrawLine( _rArea.BottomRight(), _rArea.TopRight() );
}
rRenderContext.Pop();
}
void GridTableRenderer::impl_paintCellImage( CellRenderContext const & i_context, Image const & i_image )
{
Point imagePos( Point( i_context.aContentArea.Left(), i_context.aContentArea.Top() ) );
Size imageSize = i_image.GetSizePixel();
if ( i_context.aContentArea.GetWidth() > imageSize.Width() )
{
const HorizontalAlignment eHorzAlign = m_pImpl->rModel.getColumnModel( i_context.nColumn )->getHorizontalAlign();
switch ( eHorzAlign )
{
case HorizontalAlignment_CENTER:
imagePos.AdjustX(( i_context.aContentArea.GetWidth() - imageSize.Width() ) / 2 );
break;
case HorizontalAlignment_RIGHT:
imagePos.setX( i_context.aContentArea.Right() - imageSize.Width() );
break;
default:
break;
}
}
else
imageSize.setWidth( i_context.aContentArea.GetWidth() );
if ( i_context.aContentArea.GetHeight() > imageSize.Height() )
{
const VerticalAlignment eVertAlign = m_pImpl->rModel.getVerticalAlign();
switch ( eVertAlign )
{
case VerticalAlignment_MIDDLE:
imagePos.AdjustY(( i_context.aContentArea.GetHeight() - imageSize.Height() ) / 2 );
break;
case VerticalAlignment_BOTTOM:
imagePos.setY( i_context.aContentArea.Bottom() - imageSize.Height() );
break;
default:
break;
}
}
else
imageSize.setHeight( i_context.aContentArea.GetHeight() - 1 );
DrawImageFlags const nStyle = m_pImpl->rModel.isEnabled() ? DrawImageFlags::NONE : DrawImageFlags::Disable;
i_context.rDevice.DrawImage( imagePos, imageSize, i_image, nStyle );
}
void GridTableRenderer::impl_paintCellContent( CellRenderContext const & i_context )
{
Any aCellContent;
m_pImpl->rModel.getCellContent( i_context.nColumn, m_pImpl->nCurrentRow, aCellContent );
if ( aCellContent.getValueTypeClass() == TypeClass_INTERFACE )
{
Reference< XInterface > const xContentInterface( aCellContent, UNO_QUERY );
if ( !xContentInterface.is() )
// allowed. kind of.
return;
Reference< XGraphic > const xGraphic( aCellContent, UNO_QUERY );
ENSURE_OR_RETURN_VOID( xGraphic.is(), "GridTableRenderer::impl_paintCellContent: only XGraphic interfaces (or NULL) are supported for painting." );
const Image aImage( xGraphic );
impl_paintCellImage( i_context, aImage );
return;
}
const OUString sText( m_pImpl->aStringConverter.convertToString( aCellContent ) );
impl_paintCellText( i_context, sText );
}
void GridTableRenderer::impl_paintCellText( CellRenderContext const & i_context, OUString const & i_text )
{
if ( i_context.bSelected )
{
::Color const textColor = i_context.bHasControlFocus
? lcl_getEffectiveColor( m_pImpl->rModel.getActiveSelectionTextColor(), i_context.rStyle, &StyleSettings::GetHighlightTextColor )
: lcl_getEffectiveColor( m_pImpl->rModel.getInactiveSelectionTextColor(), i_context.rStyle, &StyleSettings::GetDeactiveTextColor );
i_context.rDevice.SetTextColor( textColor );
}
else
{
::Color const textColor = lcl_getEffectiveColor( m_pImpl->rModel.getTextColor(), i_context.rStyle, &StyleSettings::GetFieldTextColor );
i_context.rDevice.SetTextColor( textColor );
}
tools::Rectangle const textRect( lcl_getTextRenderingArea( i_context.aContentArea ) );
DrawTextFlags nDrawTextFlags = lcl_getAlignmentTextDrawFlags( *m_pImpl, i_context.nColumn ) | DrawTextFlags::Clip;
if ( !m_pImpl->rModel.isEnabled() )
nDrawTextFlags |= DrawTextFlags::Disable;
i_context.rDevice.DrawText( textRect, i_text, nDrawTextFlags );
}
void GridTableRenderer::ShowCellCursor( vcl::Window& _rView, const tools::Rectangle& _rCursorRect)
{
_rView.ShowFocus( _rCursorRect );
}
void GridTableRenderer::HideCellCursor( vcl::Window& _rView )
{
_rView.HideFocus();
}
bool GridTableRenderer::FitsIntoCell( Any const & i_cellContent,
OutputDevice& i_targetDevice, tools::Rectangle const & i_targetArea ) const
{
if ( !i_cellContent.hasValue() )
return true;
if ( i_cellContent.getValueTypeClass() == TypeClass_INTERFACE )
{
Reference< XInterface > const xContentInterface( i_cellContent, UNO_QUERY );
if ( !xContentInterface.is() )
return true;
Reference< XGraphic > const xGraphic( i_cellContent, UNO_QUERY );
if ( xGraphic.is() )
// for the moment, assume it fits. We can always scale it down during painting ...
return true;
OSL_ENSURE( false, "GridTableRenderer::FitsIntoCell: only XGraphic interfaces (or NULL) are supported for painting." );
return true;
}
OUString const sText( m_pImpl->aStringConverter.convertToString( i_cellContent ) );
if ( sText.isEmpty() )
return true;
tools::Rectangle const aTargetArea( lcl_getTextRenderingArea( lcl_getContentArea( *m_pImpl, i_targetArea ) ) );
long const nTextHeight = i_targetDevice.GetTextHeight();
if ( nTextHeight > aTargetArea.GetHeight() )
return false;
long const nTextWidth = i_targetDevice.GetTextWidth( sText );
return nTextWidth <= aTargetArea.GetWidth();
}
bool GridTableRenderer::GetFormattedCellString( Any const & i_cellValue, OUString & o_cellString ) const
{
o_cellString = m_pImpl->aStringConverter.convertToString( i_cellValue );
return true;
}
} // namespace svt::table
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