QPixmap
createDragPixmap( int itemCount )
{
// If more than one item is dragged, align the items inside a
// rectangular grid. The maximum grid size is limited to 5 x 5 items.
int xCount = 3;
int size = 32;
if ( itemCount > 16 )
{
xCount = 5;
size = 16;
} else if( itemCount > 9 )
{
xCount = 4;
size = 22;
}
if( itemCount < xCount )
{
xCount = itemCount;
}
int yCount = itemCount / xCount;
if( itemCount % xCount != 0 )
{
++yCount;
}
if( yCount > xCount )
{
yCount = xCount;
}
// Draw the selected items into the grid cells
QPixmap dragPixmap( xCount * size + xCount - 1, yCount * size + yCount - 1 );
dragPixmap.fill( Qt::transparent );
QPainter painter( &dragPixmap );
painter.setRenderHint( QPainter::Antialiasing );
int x = 0;
int y = 0;
for( int i = 0; i < itemCount; ++i )
{
const QPixmap pixmap = QPixmap( QString( ":/data/icons/audio-x-generic-%2x%2.png" ).arg( size ) );
painter.drawPixmap( x, y, pixmap );
x += size + 1;
if ( x >= dragPixmap.width() )
{
x = 0;
y += size + 1;
}
if ( y >= dragPixmap.height() )
{
break;
}
}
return dragPixmap;
}
/* Proxy icon creation */
QPixmap darwinCreateDragPixmap(const QPixmap& aPixmap, const QString &aText)
{
QFontMetrics fm(qApp->font());
QRect tbRect = fm.boundingRect(aText);
const int h = qMax(aPixmap.height(), fm.ascent() + 1);
const int m = 2;
QPixmap dragPixmap(aPixmap.width() + tbRect.width() + m, h);
dragPixmap.fill(Qt::transparent);
QPainter painter(&dragPixmap);
painter.drawPixmap(0, qAbs(h - aPixmap.height()) / 2.0, aPixmap);
painter.setPen(Qt::white);
painter.drawText(QRect(aPixmap.width() + m, 1, tbRect.width(), h - 1), Qt::AlignLeft | Qt::AlignVCenter, aText);
painter.setPen(Qt::black);
painter.drawText(QRect(aPixmap.width() + m, 0, tbRect.width(), h - 1), Qt::AlignLeft | Qt::AlignVCenter, aText);
painter.end();
return dragPixmap;
}
void startDrag(Qt::DropActions supportedDropActions)
{
QList<QListWidgetItem *> items = selectedItems();
int count = items.size();
if (count < 1 || !m_pictureService)
return;
// make the drag pixmap and the indices data
QStringList indices;
QPixmap dragPixmap(50 + 10 * (count - 1), 50 + 10 * (count - 1));
dragPixmap.fill(Qt::transparent);
QPainter dragPainter(&dragPixmap);
int i = 0;
foreach (QListWidgetItem * item, items) {
int idx = row(item);
m_pictureService->startPrefetch(idx);
dragPainter.drawPixmap(i * 10, i * 10, item->icon().pixmap(50, 50));
indices.append(QString::number(idx));
i++;
}
void DraggableLabel::mouseMoveEvent(QMouseEvent *event)
{
if (!dragStartPosition.isNull())
{
if (!(event->buttons() & Qt::LeftButton))
return;
if ((event->pos() - dragStartPosition).manhattanLength() < QApplication::startDragDistance())
return;
dragPixmap();
dragStartPosition = QPoint();
event->accept();
return;
}
QLabel::mouseMoveEvent(event);
}
QPixmap KFileItemListView::createDragPixmap(const QSet<int>& indexes) const
{
if (!model()) {
return QPixmap();
}
const int itemCount = indexes.count();
Q_ASSERT(itemCount > 0);
if (itemCount == 1) {
return KItemListView::createDragPixmap(indexes);
}
// If more than one item is dragged, align the items inside a
// rectangular grid. The maximum grid size is limited to 5 x 5 items.
int xCount;
int size;
if (itemCount > 16) {
xCount = 5;
size = KIconLoader::SizeSmall;
} else if (itemCount > 9) {
xCount = 4;
size = KIconLoader::SizeSmallMedium;
} else {
xCount = 3;
size = KIconLoader::SizeMedium;
}
if (itemCount < xCount) {
xCount = itemCount;
}
int yCount = itemCount / xCount;
if (itemCount % xCount != 0) {
++yCount;
}
if (yCount > xCount) {
yCount = xCount;
}
// Draw the selected items into the grid cells.
QPixmap dragPixmap(xCount * size + xCount, yCount * size + yCount);
dragPixmap.fill(Qt::transparent);
QPainter painter(&dragPixmap);
int x = 0;
int y = 0;
QSetIterator<int> it(indexes);
while (it.hasNext()) {
const int index = it.next();
QPixmap pixmap = model()->data(index).value("iconPixmap").value<QPixmap>();
if (pixmap.isNull()) {
KIcon icon(model()->data(index).value("iconName").toString());
pixmap = icon.pixmap(size, size);
} else {
KPixmapModifier::scale(pixmap, QSize(size, size));
}
painter.drawPixmap(x, y, pixmap);
x += size + 1;
if (x >= dragPixmap.width()) {
x = 0;
y += size + 1;
}
if (y >= dragPixmap.height()) {
break;
}
}
return dragPixmap;
}
QPixmap
createDragPixmap( MediaType type, int itemCount )
{
// If more than one item is dragged, align the items inside a
// rectangular grid. The maximum grid size is limited to 5 x 5 items.
int xCount = 3;
int size = 32;
if ( itemCount > 16 )
{
xCount = 5;
size = 16;
}
else if( itemCount > 9 )
{
xCount = 4;
size = 22;
}
if ( itemCount < xCount )
{
xCount = itemCount;
}
int yCount = itemCount / xCount;
if ( itemCount % xCount != 0 )
{
++yCount;
}
if ( yCount > xCount )
{
yCount = xCount;
}
// Draw the selected items into the grid cells
QPixmap dragPixmap( xCount * size + xCount - 1, yCount * size + yCount - 1 );
dragPixmap.fill( Qt::transparent );
QPainter painter( &dragPixmap );
painter.setRenderHint( QPainter::Antialiasing );
QPixmap pixmap;
switch ( type )
{
case MediaTypeArtist:
pixmap = QPixmap( ":/data/images/artist-icon.png" ).scaledToWidth( size, Qt::SmoothTransformation );
break;
case MediaTypeAlbum:
pixmap = QPixmap( ":/data/images/album-icon.png" ).scaledToWidth( size, Qt::SmoothTransformation );
break;
case MediaTypeTrack:
pixmap = QPixmap( QString( ":/data/images/track-icon-%2x%2.png" ).arg( size ) );
break;
}
int x = 0;
int y = 0;
for ( int i = 0; i < itemCount; ++i )
{
painter.drawPixmap( x, y, pixmap );
x += size + 1;
if ( x >= dragPixmap.width() )
{
x = 0;
y += size + 1;
}
if ( y >= dragPixmap.height() )
{
break;
}
}
return dragPixmap;
}
void MacroTreeView::startDrag(Qt::DropActions supportedActions)
{
QModelIndexList indexes = selectionModel()->selectedRows();
for(int i = indexes.count() - 1 ; i >= 0; --i)
{
if (!(indexes.at(i).isValid()) || !(model()->flags(indexes.at(i)) & Qt::ItemIsDragEnabled))
{
indexes.removeAt(i);
}
}
if (indexes.count() > 0)
{
QMimeData *data = model()->mimeData(indexes);
if (!data)
{
return;
}
QPixmap dragPixmap(":/icons/resources/macro.png");
QModelIndex srcIndex = dynamic_cast<QSortFilterProxyModel*>(model())->mapToSource(indexes[0]);
const ModelItemMacro* item = static_cast<const ModelItemMacro*>(srcIndex.internalPointer());
graph::Vertex::Ptr dummyVertex = app::MacroManager::instance().createVertexInstance(item->macro().signature());
if (!dummyVertex.isNull())
{
graph::VertexItem::Ptr vertexItem = dummyVertex->sceneItem().staticCast<graph::VertexItem>();
if (!vertexItem.isNull())
{
dragPixmap = vertexItem->paintToPixmap();
}
app::MacroManager::instance().deleteVertexInstance(dummyVertex);
}
data->setImageData(dragPixmap.toImage());
QDrag* dragObjectPtr = new QDrag(this);
dragObjectPtr->setPixmap(dragPixmap);
dragObjectPtr->setMimeData(data);
dragObjectPtr->setHotSpot(dragPixmap.rect().center());
Qt::DropAction defDropAction = Qt::IgnoreAction;
if (defaultDropAction() != Qt::IgnoreAction && (supportedActions & defaultDropAction()))
{
defDropAction = defaultDropAction();
}
else if (supportedActions & Qt::CopyAction && dragDropMode() != QAbstractItemView::InternalMove)
{
defDropAction = Qt::CopyAction;
}
if (dragObjectPtr->exec(supportedActions, defDropAction) == Qt::MoveAction)
{
// clear or remove dragged items
const QItemSelection selection = selectionModel()->selection();
QList<QItemSelectionRange>::const_iterator it = selection.constBegin();
if (!dragDropOverwriteMode())
{
for (; it != selection.constEnd(); ++it)
{
QModelIndex parent = (*it).parent();
if ((*it).left() != 0)
continue;
if ((*it).right() != (model()->columnCount(parent) - 1))
continue;
int count = (*it).bottom() - (*it).top() + 1;
model()->removeRows((*it).top(), count, parent);
}
}
else
{
QModelIndexList list = selection.indexes();
for (int i=0; i < list.size(); ++i)
{
QModelIndex index = list.at(i);
QMap<int, QVariant> roles = model()->itemData(index);
for (QMap<int, QVariant>::Iterator it = roles.begin(); it != roles.end(); ++it)
{
it.value() = QVariant();
}
model()->setItemData(index, roles);
}
}
}
}
}
QPixmap
createDragPixmap( MediaType type, int itemCount )
{
// If more than one item is dragged, align the items inside a
// rectangular grid. The maximum grid size is limited to 5 x 5 items.
int xCount = 3;
int size = 32;
if ( itemCount > 16 )
{
xCount = 5;
size = 16;
}
else if( itemCount > 9 )
{
xCount = 4;
size = 22;
}
if ( itemCount < xCount )
{
xCount = itemCount;
}
int yCount = itemCount / xCount;
if ( itemCount % xCount != 0 )
{
++yCount;
}
if ( yCount > xCount )
{
yCount = xCount;
}
// Draw the selected items into the grid cells
QPixmap dragPixmap( xCount * size + xCount - 1, yCount * size + yCount - 1 );
dragPixmap.fill( Qt::transparent );
QPainter painter( &dragPixmap );
painter.setRenderHint( QPainter::Antialiasing );
QPixmap pixmap;
switch ( type )
{
case MediaTypeArtist:
pixmap = TomahawkUtils::defaultPixmap( TomahawkUtils::DefaultArtistImage, TomahawkUtils::Original, QSize( size, size ) );
break;
case MediaTypeAlbum:
pixmap = TomahawkUtils::defaultPixmap( TomahawkUtils::DefaultAlbumCover, TomahawkUtils::Original, QSize( size, size ) );
break;
case MediaTypeTrack:
pixmap = TomahawkUtils::defaultPixmap( TomahawkUtils::DefaultTrackImage, TomahawkUtils::Original, QSize( size, size ) );
break;
}
int x = 0;
int y = 0;
for ( int i = 0; i < itemCount; ++i )
{
painter.drawPixmap( x, y, pixmap );
x += size + 1;
if ( x >= dragPixmap.width() )
{
x = 0;
y += size + 1;
}
if ( y >= dragPixmap.height() )
{
break;
}
}
return dragPixmap;
}
QPixmap KFileItemListView::createDragPixmap(const KItemSet& indexes) const
{
if (!model()) {
return QPixmap();
}
const int itemCount = indexes.count();
Q_ASSERT(itemCount > 0);
if (itemCount == 1) {
return KItemListView::createDragPixmap(indexes);
}
// If more than one item is dragged, align the items inside a
// rectangular grid. The maximum grid size is limited to 5 x 5 items.
int xCount;
int size;
if (itemCount > 16) {
xCount = 5;
size = KIconLoader::SizeSmall;
} else if (itemCount > 9) {
xCount = 4;
size = KIconLoader::SizeSmallMedium;
} else {
xCount = 3;
size = KIconLoader::SizeMedium;
}
if (itemCount < xCount) {
xCount = itemCount;
}
int yCount = itemCount / xCount;
if (itemCount % xCount != 0) {
++yCount;
}
if (yCount > xCount) {
yCount = xCount;
}
const qreal dpr = scene()->views()[0]->devicePixelRatio();
// Draw the selected items into the grid cells.
QPixmap dragPixmap(QSize(xCount * size + xCount, yCount * size + yCount) * dpr);
dragPixmap.setDevicePixelRatio(dpr);
dragPixmap.fill(Qt::transparent);
QPainter painter(&dragPixmap);
int x = 0;
int y = 0;
foreach (int index, indexes) {
QPixmap pixmap = model()->data(index).value("iconPixmap").value<QPixmap>();
if (pixmap.isNull()) {
QIcon icon = QIcon::fromTheme(model()->data(index).value("iconName").toString());
pixmap = icon.pixmap(size, size);
} else {
KPixmapModifier::scale(pixmap, QSize(size, size) * dpr);
}
painter.drawPixmap(x, y, pixmap);
x += size + 1;
if (x >= dragPixmap.width()) {
x = 0;
y += size + 1;
}
if (y >= dragPixmap.height()) {
break;
}
}
