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Prettier PartitionPreview

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This commit is contained in:
Aurélien Gâteau 2014-07-29 15:56:25 +02:00
parent fe9e52ee0e
commit e3a333e6e6
1 changed files with 42 additions and 6 deletions
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48
src/modules/partition/PartitionPreview.cpp
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@ -24,7 +24,8 @@
#include <QPainter>
static const int VIEW_HEIGHT = 40;
static const int VIEW_HEIGHT = 30;
static const int CORNER_RADIUS = 3;
static const int EXTENDED_PARTITION_MARGIN = 4;
@ -49,10 +50,47 @@ void
PartitionPreview::paintEvent( QPaintEvent* event )
{
QPainter painter( viewport() );
painter.fillRect( rect(), Qt::red );
painter.fillRect( rect(), palette().window() );
painter.setRenderHint( QPainter::Antialiasing );
drawPartitions( &painter, rect(), QModelIndex() );
}
static void
drawSection( QPainter* painter, const QRect& rect_, int x, int width, const QModelIndex& index )
{
QColor color = index.data( Qt::DecorationRole ).value< QColor >();
bool isFreeSpace = index.data( PartitionModel::IsFreeSpaceRole ).toBool();
QRect rect = rect_;
const int y = rect.y();
const int height = rect.height();
const int radius = qMax( 1, CORNER_RADIUS - ( VIEW_HEIGHT - height ) / 2 );
painter->setClipRect( x, y, width, height );
painter->translate( 0.5, 0.5 );
rect.adjust( 0, 0, -1, -1 );
const QColor borderColor = color.darker();
painter->setPen( borderColor );
painter->setBrush( color );
painter->drawRoundedRect( rect, radius, radius );
// Draw shade
if ( !isFreeSpace )
rect.adjust( 2, 2, -2, -2 );
QLinearGradient gradient( 0, 0, 0, height / 2 );
qreal c = isFreeSpace ? 0 : 1;
gradient.setColorAt( 0, QColor::fromRgbF( c, c, c, 0.3 ) );
gradient.setColorAt( 1, QColor::fromRgbF( c, c, c, 0 ) );
painter->setPen( Qt::NoPen );
painter->setBrush( gradient );
painter->drawRoundedRect( rect, radius, radius );
painter->translate( -0.5, -0.5 );
}
void
PartitionPreview::drawPartitions( QPainter* painter, const QRect& rect, const QModelIndex& parent )
{
@ -63,7 +101,6 @@ PartitionPreview::drawPartitions( QPainter* painter, const QRect& rect, const QM
const int totalWidth = rect.width();
struct Item {
qreal size;
QColor color;
QModelIndex index;
};
QVector< Item > items( count );
@ -72,9 +109,8 @@ PartitionPreview::drawPartitions( QPainter* painter, const QRect& rect, const QM
{
QModelIndex index = modl->index( row, 0, parent );
qreal size = index.data( PartitionModel::SizeRole ).toLongLong();
QColor color = index.data( Qt::DecorationRole ).value< QColor >();
total += size;
items[ row ] = { size, color, index };
items[ row ] = { size, index };
}
int x = rect.x();
@ -88,7 +124,7 @@ PartitionPreview::drawPartitions( QPainter* painter, const QRect& rect, const QM
// Make sure we fill the last pixel column
width = rect.right() - x + 1;
painter->fillRect( x, rect.y(), width, rect.height(), item.color );
drawSection( painter, rect, x, width, item.index );
if ( modl->hasChildren( item.index ) )
{
QRect subRect(