int QgsDetailedItemDelegate::height( const QStyleOptionViewItem & theOption,
const QgsDetailedItemData theData ) const
{
QFontMetrics myTitleMetrics( titleFont( theOption ) );
QFontMetrics myDetailMetrics( detailFont( theOption ) );
//we don't word wrap the title so its easy to measure
int myHeight = myTitleMetrics.height() + verticalSpacing();
//the detail needs to be measured though
QStringList myList = wordWrap( theData.detail(),
myDetailMetrics,
theOption.rect.width() - ( mpCheckBox->width() + horizontalSpacing() ) );
myHeight += ( myList.count() + 1 ) * ( myDetailMetrics.height() - verticalSpacing() );
return myHeight;
}
int QgsDetailedItemDelegate::height( const QStyleOptionViewItem &option,
const QgsDetailedItemData &data ) const
{
QFontMetrics myTitleMetrics( titleFont( option ) );
QFontMetrics myDetailMetrics( detailFont( option ) );
QFontMetrics myCategoryMetrics( categoryFont( option ) );
//we don't word wrap the title so its easy to measure
int myHeight = myTitleMetrics.height() + verticalSpacing();
//the detail needs to be measured though
QStringList myList = wordWrap( data.detail(),
myDetailMetrics,
option.rect.width() - ( mpCheckBox->width() + horizontalSpacing() ) );
myHeight += ( myList.count() + 1 ) * ( myDetailMetrics.height() - verticalSpacing() );
//we don't word wrap the category so its easy to measure
myHeight += myCategoryMetrics.height() + verticalSpacing();
#if 0
// if category should be wrapped use this code
myList = wordWrap( data.category(),
myCategoryMetrics,
option.rect.width() - ( mpCheckBox->width() + horizontalSpacing() ) );
myHeight += ( myList.count() + 1 ) * ( myCategoryMetrics.height() - verticalSpacing() );
#endif
return myHeight;
}
void QgsDetailedItemDelegate::paintManually( QPainter *thepPainter,
const QStyleOptionViewItem &theOption,
const QgsDetailedItemData &theData ) const
{
//
// Get the strings and check box properties
//
//bool myCheckState = theIndex.model()->data(theIndex, Qt::CheckStateRole).toBool();
mpCheckBox->setChecked( theData.isChecked() );
mpCheckBox->setEnabled( theData.isEnabled() );
QPixmap myCbxPixmap( mpCheckBox->size() );
mpCheckBox->render( &myCbxPixmap ); //we will draw this onto the widget further down
//
// Calculate the widget height and other metrics
//
QFontMetrics myTitleMetrics( titleFont( theOption ) );
QFontMetrics myDetailMetrics( detailFont( theOption ) );
int myTextStartX = theOption.rect.x() + horizontalSpacing();
int myTextStartY = theOption.rect.y() + verticalSpacing();
int myHeight = myTitleMetrics.height() + verticalSpacing();
//
// Draw the item background with a gradient if its highlighted
//
if ( theOption.state & QStyle::State_Selected )
{
drawHighlight( theOption, thepPainter, height( theOption, theData ) );
thepPainter->setPen( theOption.palette.highlightedText().color() );
}
else
{
thepPainter->setPen( theOption.palette.text().color() );
}
//
// Draw the checkbox
//
if ( theData.isCheckable() )
{
thepPainter->drawPixmap( theOption.rect.x(),
theOption.rect.y() + mpCheckBox->height(),
myCbxPixmap );
myTextStartX = theOption.rect.x() + myCbxPixmap.width() + horizontalSpacing();
}
//
// Draw the decoration (pixmap)
//
bool myIconFlag = false;
QPixmap myDecoPixmap = theData.icon();
if ( !myDecoPixmap.isNull() )
{
myIconFlag = true;
int iconWidth = 32, iconHeight = 32;
if ( myDecoPixmap.width() <= iconWidth && myDecoPixmap.height() <= iconHeight )
{
// the pixmap has reasonable size
int offsetX = 0, offsetY = 0;
if ( myDecoPixmap.width() < iconWidth )
offsetX = ( iconWidth - myDecoPixmap.width() ) / 2;
if ( myDecoPixmap.height() < iconHeight )
offsetY = ( iconHeight - myDecoPixmap.height() ) / 2;
thepPainter->drawPixmap( myTextStartX + offsetX,
myTextStartY + offsetY,
myDecoPixmap );
}
else
{
// shrink the pixmap, it's too big
thepPainter->drawPixmap( myTextStartX, myTextStartY, iconWidth, iconHeight, myDecoPixmap );
}
myTextStartX += iconWidth + horizontalSpacing();
}
//
// Draw the title
//
myTextStartY += myHeight / 2;
thepPainter->setFont( titleFont( theOption ) );
thepPainter->drawText( myTextStartX,
myTextStartY,
theData.title() );
//
// Draw the description with word wrapping if needed
//
thepPainter->setFont( detailFont( theOption ) ); //return to original font set by client
if ( myIconFlag )
{
myTextStartY += verticalSpacing();
}
else
{
myTextStartY += myDetailMetrics.height() + verticalSpacing();
}
QStringList myList =
wordWrap( theData.detail(), myDetailMetrics, theOption.rect.width() - myTextStartX );
QStringListIterator myLineWrapIterator( myList );
while ( myLineWrapIterator.hasNext() )
{
QString myLine = myLineWrapIterator.next();
thepPainter->drawText( myTextStartX,
myTextStartY,
myLine );
myTextStartY += myDetailMetrics.height() - verticalSpacing();
}
//
// Draw the category. Not sure if we need word wrapping for it.
//
thepPainter->setFont( categoryFont( theOption ) ); //return to original font set by client
thepPainter->drawText( myTextStartX,
myTextStartY,
theData.category() );
//
// Draw the category with word wrapping if needed
//
/*
myTextStartY += verticalSpacing();
if ( myIconFlag )
{
myTextStartY += verticalSpacing();
}
else
{
myTextStartY += myCategoryMetrics.height() + verticalSpacing();
}
myList =
wordWrap( theData.category(), myCategoryMetrics, theOption.rect.width() - myTextStartX );
QStringListIterator myLineWrapIter( myList );
while ( myLineWrapIter.hasNext() )
{
QString myLine = myLineWrapIter.next();
thepPainter->drawText( myTextStartX,
myTextStartY,
myLine );
myTextStartY += myCategoryMetrics.height() - verticalSpacing();
}
*/
} //render by manual painting
