void GLWidget::paintGL()
{
// clear
glClear(GL_COLOR_BUFFER_BIT);
// Koordinatensystem
glColor3f(0.5,0.5,0.5);
glBegin(GL_LINES);
glVertex2f(-1.0, 0.0);
glVertex2f( 1.0, 0.0);
glVertex2f( 0.0,-1.0);
glVertex2f( 0.0, 1.0);
glEnd();
// Draw points
glBegin( GL_POINTS );
glColor4f( 0.95f, 0.207, 0.031f, 1.0f );
for (auto &point : points) {
glVertex2f( point.x(), point.y() );
}
glEnd();
// Linien zeichnen
drawPartitions();
// DrawQuery
drawQuery();
}
void
PartitionSplitterWidget::paintEvent( QPaintEvent* event )
{
QPainter painter( this );
painter.fillRect( rect(), palette().window() );
painter.setRenderHint( QPainter::Antialiasing );
drawPartitions( &painter, rect(), m_items );
}
void
PartitionBarsView::paintEvent( QPaintEvent* event )
{
QPainter painter( viewport() );
painter.fillRect( rect(), palette().window() );
painter.setRenderHint( QPainter::Antialiasing );
QRect partitionsRect = rect();
partitionsRect.setHeight( VIEW_HEIGHT );
painter.save();
drawPartitions( &painter, partitionsRect, QModelIndex() );
painter.restore();
}
void
PartitionBarsView::drawPartitions( QPainter* painter, const QRect& rect, const QModelIndex& parent )
{
PartitionModel* modl = qobject_cast< PartitionModel* >( model() );
if ( !modl )
return;
const int totalWidth = rect.width();
auto pair = computeItemsVector( parent );
QVector< PartitionBarsView::Item >& items = pair.first;
qreal& total = pair.second;
int x = rect.x();
for ( int row = 0; row < items.count(); ++row )
{
const auto& item = items[ row ];
int width;
if ( row < items.count() - 1 )
width = totalWidth * ( item.size / total );
else
// Make sure we fill the last pixel column
width = rect.right() - x + 1;
drawSection( painter, rect, x, width, item.index );
if ( m_nestedPartitionsMode == DrawNestedPartitions &&
modl->hasChildren( item.index ) )
{
QRect subRect(
x + EXTENDED_PARTITION_MARGIN,
rect.y() + EXTENDED_PARTITION_MARGIN,
width - 2 * EXTENDED_PARTITION_MARGIN,
rect.height() - 2 * EXTENDED_PARTITION_MARGIN
);
drawPartitions( painter, subRect, item.index );
}
x += width;
}
if ( !items.count() &&
!modl->device()->partitionTable() ) // No disklabel or unknown
{
int width = rect.right() - rect.x() + 1;
drawSection( painter, rect, rect.x(), width, QModelIndex() );
}
}
