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Further improvements to well log plot legends

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This commit is contained in:
Gaute Lindkvist
2019-11-28 19:30:55 +01:00
parent 330f2ea62a
commit 5eaef4390c
4 changed files with 29 additions and 58 deletions
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41
ApplicationCode/UserInterface/RiuQwtPlotLegend.cpp
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@@ -29,7 +29,7 @@
//--------------------------------------------------------------------------------------------------
RiuQwtPlotLegend::RiuQwtPlotLegend( QWidget* parent /*= nullptr */ )
: QwtLegend( parent )
, m_columnCount( -1 )
, m_columnCount( 1 )
{
}
@@ -43,16 +43,13 @@ void RiuQwtPlotLegend::resizeEvent( QResizeEvent* event )
const QwtDynGridLayout* legendLayout = qobject_cast<QwtDynGridLayout*>( contentsWidget()->layout() );
if ( legendLayout )
{
m_columnCount = legendLayout->columnsForWidth( size.width() );
}
}
int left, right, top, bottom;
getContentsMargins( &left, &top, &right, &bottom );
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
int RiuQwtPlotLegend::columnCount() const
{
return m_columnCount;
m_columnCount = std::max( 1, (int)legendLayout->columnsForWidth( size.width() - left - right ) );
updateGeometry();
}
}
//--------------------------------------------------------------------------------------------------
@@ -65,18 +62,28 @@ QSize RiuQwtPlotLegend::sizeHint() const
const QwtDynGridLayout* legendLayout = qobject_cast<QwtDynGridLayout*>( contentsWidget()->layout() );
if ( legendLayout )
{
int rowCount = std::max( 1, (int)std::ceil( legendLayout->itemCount() / (double)std::max( m_columnCount, 1 ) ) );
int numColumns = m_columnCount;
int numRows = legendLayout->itemCount() / numColumns;
if ( legendLayout->itemCount() % numColumns ) numRows++;
int width = numColumns * legendLayout->maxItemWidth();
int maxHeight = 0;
for ( unsigned int i = 0; i < legendLayout->itemCount(); ++i )
{
auto itemSize = legendLayout->itemAt( i )->sizeHint();
int width = itemSize.width();
fullSizeHint.setWidth( std::max( fullSizeHint.width(), width ) );
maxHeight = std::max( maxHeight, itemSize.height() );
maxHeight = std::max( maxHeight, itemSize.height() );
}
int totalSpacing = ( rowCount + 1 ) * legendLayout->spacing();
fullSizeHint.setHeight(
std::max( fullSizeHint.height(), static_cast<int>( maxHeight * rowCount + totalSpacing + 4 ) ) );
QMargins margins = legendLayout->contentsMargins();
int totalSpacing = ( numRows + 1 ) * legendLayout->spacing() + margins.top() + margins.bottom();
int height = maxHeight * numRows + totalSpacing;
QSize layoutSize( width, height );
QSize frameSize = layoutSize + QSize( 2 * frameWidth(), 2 * frameWidth() );
fullSizeHint.setWidth( std::max( fullSizeHint.width(), frameSize.width() ) );
fullSizeHint.setHeight( std::max( fullSizeHint.height(), frameSize.height() ) );
}
return fullSizeHint;
}