void UIGSelectorItem::dragMoveEvent(QGraphicsSceneDragDropEvent *pEvent)
{
/* Make sure we are non-root: */
if (parentItem())
{
/* Allow drag tokens only for the same item type as current: */
bool fAllowDragToken = false;
if ((type() == UIGSelectorItemType_Group &&
pEvent->mimeData()->hasFormat(UIGSelectorItemGroup::className())) ||
(type() == UIGSelectorItemType_Machine &&
pEvent->mimeData()->hasFormat(UIGSelectorItemMachine::className())))
fAllowDragToken = true;
/* Do we need a drag-token? */
if (fAllowDragToken)
{
QPoint p = pEvent->pos().toPoint();
if (p.y() < 10)
setDragTokenPlace(DragToken_Up);
else if (p.y() > minimumSizeHint().toSize().height() - 10)
setDragTokenPlace(DragToken_Down);
else
setDragTokenPlace(DragToken_Off);
}
}
/* Check if drop is allowed: */
pEvent->setAccepted(isDropAllowed(pEvent, dragTokenPlace()));
}
void UIGSelectorItemMachine::resetDragToken()
{
/* Reset drag token for this item: */
if (dragTokenPlace() != DragToken_Off)
{
setDragTokenPlace(DragToken_Off);
update();
}
}
void UIGSelectorItem::dropEvent(QGraphicsSceneDragDropEvent *pEvent)
{
/* Do we have token active? */
switch (dragTokenPlace())
{
case DragToken_Off:
{
/* Its our drop, processing: */
processDrop(pEvent);
break;
}
default:
{
/* Its parent drop, passing: */
parentItem()->processDrop(pEvent, this, dragTokenPlace());
break;
}
}
}
void UIGSelectorItemMachine::paint(QPainter *pPainter, const QStyleOptionGraphicsItem *pOption, QWidget * /* pWidget = 0 */)
{
/* Initialize some necessary variables: */
QRect fullRect = pOption->rect;
int iMachineItemMargin = data(MachineItemData_MachineItemMargin).toInt();
int iMachineItemMajorSpacing = data(MachineItemData_MachineItemMajorSpacing).toInt();
int iMachineItemMinorSpacing = data(MachineItemData_MachineItemMinorSpacing).toInt();
int iMachineItemTextSpacing = data(MachineItemData_MachineItemTextSpacing).toInt();
QSize machinePixmapSize = data(MachineItemData_MachinePixmapSize).toSize();
QSize machineNameSize = data(MachineItemData_MachineNameSize).toSize();
QString strSnapshotName = data(MachineItemData_SnapshotName).toString();
QSize snapshotNameSize = data(MachineItemData_SnapshotNameSize).toSize();
QSize machineStatePixmapSize = data(MachineItemData_MachineStatePixmapSize).toSize();
QSize machineStateTextSize = data(MachineItemData_MachineStateTextSize).toSize();
/* Paint background: */
paintBackground(/* Painter: */
pPainter,
/* Rectangle to paint in: */
fullRect,
/* Has parent? */
parentItem(),
/* Is item selected? */
model()->selectionList().contains(this),
/* Gradient darkness for animation: */
gradient(),
/* Show drag where? */
dragTokenPlace());
/* Paint pixmap: */
paintPixmap(/* Painter: */
pPainter,
/* Rectangle to paint in: */
QRect(fullRect.topLeft() +
QPoint(iMachineItemMargin, iMachineItemMargin),
machinePixmapSize),
/* Pixmap to paint: */
data(MachineItemData_MachinePixmap).value<QIcon>().pixmap(machinePixmapSize));
/* Paint name: */
paintText(/* Painter: */
pPainter,
/* Rectangle to paint in: */
QRect(fullRect.topLeft() +
QPoint(iMachineItemMargin, iMachineItemMargin) +
QPoint(machinePixmapSize.width() + iMachineItemMajorSpacing, 0),
machineNameSize),
/* Font to paint text: */
data(MachineItemData_MachineNameFont).value<QFont>(),
/* Text to paint: */
data(MachineItemData_MachineName).toString());
/* Paint snapshot name (if necessary): */
if (!strSnapshotName.isEmpty())
paintText(/* Painter: */
pPainter,
/* Rectangle to paint in: */
QRect(fullRect.topLeft() +
QPoint(iMachineItemMargin, iMachineItemMargin) +
QPoint(machinePixmapSize.width() + iMachineItemMajorSpacing, 0) +
QPoint(machineNameSize.width() + iMachineItemMinorSpacing, 0),
snapshotNameSize),
/* Font to paint text: */
data(MachineItemData_SnapshotNameFont).value<QFont>(),
/* Text to paint: */
QString("(%1)").arg(strSnapshotName));
/* Paint state pixmap: */
paintPixmap(/* Painter: */
pPainter,
/* Rectangle to paint in: */
QRect(fullRect.topLeft() +
QPoint(iMachineItemMargin, iMachineItemMargin) +
QPoint(machinePixmapSize.width() + iMachineItemMajorSpacing, 0) +
QPoint(0, machineNameSize.height() + iMachineItemTextSpacing),
machineStatePixmapSize),
/* Pixmap to paint: */
data(MachineItemData_MachineStatePixmap).value<QIcon>().pixmap(machineStatePixmapSize));
/* Paint state text: */
paintText(/* Painter: */
pPainter,
/* Rectangle to paint in: */
QRect(fullRect.topLeft() +
QPoint(iMachineItemMargin, iMachineItemMargin) +
QPoint(machinePixmapSize.width() + iMachineItemMajorSpacing, 0) +
QPoint(0, machineNameSize.height() + iMachineItemTextSpacing) +
QPoint(machineStatePixmapSize.width() + iMachineItemMinorSpacing, 0),
machineStateTextSize),
/* Font to paint text: */
data(MachineItemData_MachineStateTextFont).value<QFont>(),
/* Text to paint: */
data(MachineItemData_MachineStateText).toString());
/* Paint focus (if necessary): */
if (model()->focusItem() == this)
paintFocus(/* Painter: */
pPainter,
/* Rectangle to paint in: */
fullRect);
}
void UIGChooserItemMachine::paintBackground(QPainter *pPainter, const QRect &rect)
{
/* Save painter: */
pPainter->save();
/* Prepare color: */
QPalette pal = palette();
/* Selection background: */
if (model()->selectionList().contains(this))
{
/* Highlight color: */
QColor highlight = pal.color(QPalette::Highlight);
/* Calculate top rectangle: */
QRect tRect = rect;
tRect.setBottom(tRect.top() + tRect.height() / 3);
/* Calculate bottom rectangle: */
QRect bRect = rect;
bRect.setTop(bRect.bottom() - bRect.height() / 3);
/* Calculate middle rectangle: */
QRect midRect = QRect(tRect.bottomLeft(), bRect.topRight());
/* Prepare top gradient: */
QLinearGradient tGradient(tRect.bottomLeft(), tRect.topLeft());
tGradient.setColorAt(1, highlight.darker(blackoutDarkness()));
tGradient.setColorAt(0, highlight.darker(defaultDarkness()));
/* Prepare bottom gradient: */
QLinearGradient bGradient(bRect.topLeft(), bRect.bottomLeft());
bGradient.setColorAt(0, highlight.darker(defaultDarkness()));
bGradient.setColorAt(1, highlight.darker(blackoutDarkness()));
/* Paint all the stuff: */
pPainter->fillRect(midRect, highlight.darker(defaultDarkness()));
pPainter->fillRect(tRect, tGradient);
pPainter->fillRect(bRect, bGradient);
}
/* Hovering background: */
if (isHovered())
{
/* Choose color: */
QColor baseLight = model()->selectionList().contains(this) ? pal.color(QPalette::Active, QPalette::Highlight) :
QColor(Qt::white);
QColor blurBase = model()->selectionList().contains(this) ? pal.color(QPalette::Active, QPalette::Highlight) :
QColor(Qt::white);
if (!model()->selectionList().contains(this) && !parentItem()->isRoot())
blurBase = blurBase.darker(defaultDarkness());
blurBase.setAlpha(0);
/* Draw background for blur: */
QImage background(rect.size(), QImage::Format_ARGB32);
background.fill(blurBase.rgba());
/* Add blur itself: */
QPainter blurPainter(&background);
blurPainter.setBrush(baseLight.darker(animationDarkness()));
blurPainter.setPen(Qt::NoPen);
blurPainter.drawRoundedRect(rect.adjusted(5, 5, -5, -5), 5, 5);
blurPainter.end();
QImage bluredBackground(rect.size(), QImage::Format_ARGB32);
blurImage(background, bluredBackground, 5);
/* Paint highlight bar: */
pPainter->drawImage(QPoint(0, 0), bluredBackground);
}
/* Paint drag token UP? */
if (dragTokenPlace() != DragToken_Off)
{
/* Window color: */
QColor base = pal.color(QPalette::Active, model()->selectionList().contains(this) ?
QPalette::Highlight : QPalette::Window);
QLinearGradient dragTokenGradient;
QRect dragTokenRect = rect;
if (dragTokenPlace() == DragToken_Up)
{
dragTokenRect.setHeight(5);
dragTokenGradient.setStart(dragTokenRect.bottomLeft());
dragTokenGradient.setFinalStop(dragTokenRect.topLeft());
}
else if (dragTokenPlace() == DragToken_Down)
{
dragTokenRect.setTopLeft(dragTokenRect.bottomLeft() - QPoint(0, 5));
dragTokenGradient.setStart(dragTokenRect.topLeft());
dragTokenGradient.setFinalStop(dragTokenRect.bottomLeft());
}
dragTokenGradient.setColorAt(0, base.darker(blackoutDarkness()));
dragTokenGradient.setColorAt(1, base.darker(dragTokenDarkness()));
pPainter->fillRect(dragTokenRect, dragTokenGradient);
}
/* Restore painter: */
pPainter->restore();
}
