#include "delegate.h" #include "eventmodel.h" #include #include const int RADIUS = 10; const int SPACER = RADIUS; Delegate::Delegate(QTreeView *aParent) : QItemDelegate(aParent) , mViewPtr(aParent) { mControls.clear(); defineControls(); } Delegate::~Delegate() { QListIterator i(mControls.keys()); while (i.hasNext()) { delete mControls[i.next()]->image(); } } void Delegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const { if(!mViewPtr) return; painter->save(); QColor bkgrColor = Qt::cyan; QPen borderPen(bkgrColor.darker()); if(hasParent(index)) { if(isLast(index)) { QLinearGradient lastGradient(option.rect.topLeft(), option.rect.bottomLeft()); lastGradient.setColorAt(0.0, Qt::white); lastGradient.setColorAt(0.5, bkgrColor); lastGradient.setColorAt(1.0, Qt::white); QPainterPath endPath; endPath.moveTo(option.rect.topLeft()); endPath.lineTo(option.rect.bottomLeft()-QPoint(0, RADIUS)); endPath.arcTo(option.rect.left(), option.rect.bottom()-2*RADIUS, 2*RADIUS, 2*RADIUS, 180, 90); endPath.lineTo(option.rect.bottomRight()-QPoint(RADIUS, 0)); endPath.arcTo(option.rect.right()-2*RADIUS, option.rect.bottom()-2*RADIUS, 2*RADIUS, 2*RADIUS, 270, 90); endPath.lineTo(option.rect.topRight()); //painter->setBrush( bkgrColor ); painter->setBrush(lastGradient); painter->setPen(borderPen); painter->drawPath(endPath); painter->setFont(option.font); } else // middle elements { QLinearGradient middleGradient(option.rect.topLeft(), option.rect.bottomLeft()); middleGradient.setColorAt(0.0, Qt::white); middleGradient.setColorAt(0.25, bkgrColor); middleGradient.setColorAt(0.5, Qt::white); middleGradient.setColorAt(0.75, bkgrColor); middleGradient.setColorAt(1.0, Qt::white); //painter->setBrush( bkgrColor ); painter->setBrush(middleGradient); painter->setPen(Qt::NoPen); painter->drawRect(option.rect); painter->setPen(borderPen); // vertical lines painter->drawLine(option.rect.topLeft(), option.rect.bottomLeft()); painter->drawLine(option.rect.topRight(), option.rect.bottomRight()); // horizontal lines painter->drawLine(option.rect.bottomLeft(), option.rect.bottomRight()); painter->setFont(option.font); } // draw Controls painter->drawImage(mControls[FavouriteControl]->drawPoint(option.rect),*mControls[FavouriteControl]->image()); painter->drawImage(mControls[AlarmControl]->drawPoint(option.rect),*mControls[AlarmControl]->image()); } else // doesn't have parent - time-groups' elements (top items) { QLinearGradient titleGradient(option.rect.topLeft(), option.rect.topRight()); //titleGradient.setColorAt(0.0, Qt::white); titleGradient.setColorAt(0.0, bkgrColor); titleGradient.setColorAt(0.5, Qt::white); titleGradient.setColorAt(1.0, bkgrColor); QPainterPath titlePath; if(isExpanded(index)) { titlePath.moveTo(option.rect.bottomLeft()); titlePath.lineTo(option.rect.topLeft()+QPoint(0, RADIUS)); titlePath.arcTo(option.rect.left(), option.rect.top(), 2*RADIUS, 2*RADIUS, 180, -90); titlePath.lineTo(option.rect.topRight()-QPoint(RADIUS, 0)); titlePath.arcTo(option.rect.right()-2*RADIUS, option.rect.top(), 2*RADIUS, 2*RADIUS, 90, -90); titlePath.lineTo(option.rect.bottomRight()); titlePath.closeSubpath(); } else { titlePath.lineTo(option.rect.topLeft()+QPoint(0, RADIUS)); titlePath.arcTo(option.rect.left(), option.rect.top(), 2*RADIUS, 2*RADIUS, 180, -90); titlePath.lineTo(option.rect.topRight()-QPoint(RADIUS, 0)); titlePath.arcTo(option.rect.right()-2*RADIUS, option.rect.top(), 2*RADIUS, 2*RADIUS, 90, -90); titlePath.lineTo(option.rect.bottomRight()-QPoint(0, RADIUS)); titlePath.arcTo(option.rect.right()-2*RADIUS, option.rect.bottom()-2*RADIUS, 2*RADIUS, 2*RADIUS, 0, -90); titlePath.lineTo(option.rect.bottomLeft()+QPoint(RADIUS, 0)); titlePath.arcTo(option.rect.left(), option.rect.bottom()-2*RADIUS, 2*RADIUS, 2*RADIUS, 270, -90); titlePath.closeSubpath(); } painter->setBrush(titleGradient); painter->setPen(borderPen); painter->drawPath(titlePath); QFont font = option.font; font.setBold(true); painter->setFont(font); } //// HIGHLIGHTING SELECTED ITEM //if (option.state & QStyle::State_Selected) //painter->fillRect(option.rect, option.palette.highlight()); // draw title QPointF titlePointF(option.rect.x(),option.rect.y()+option.rect.height()-10); QString text = qVariantValue(index.data()); painter->drawText(titlePointF,text); painter->restore(); } QSize Delegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const { Q_UNUSED(option) if (index.internalId() == 0) // time group { return QSize(30,30); } else // event { return QSize(100,100); } } bool Delegate::hasParent( const QModelIndex &index ) const { if( index.parent().isValid() ) return true; else return false; } bool Delegate::isLast( const QModelIndex &index ) const { if(!hasParent(index)) return false; // what should be returned here? if(index.row() >= (index.model()->rowCount(index.parent())-1)) return true; else return false; } bool Delegate::isExpanded( const QModelIndex &index ) const { if( !mViewPtr ) return false; else return mViewPtr->isExpanded( index ); } Delegate::ControlId Delegate::whichControlClicked(const QModelIndex &aIndex, const QPoint &aPoint) const { if(!hasParent(aIndex)) // time-group item (root item) return ControlNone; QListIterator i(mControls.keys()); while (i.hasNext()) { ControlId id = i.next(); if(mControls[id]->drawRect(static_cast(parent())->visualRect(aIndex)).contains(aPoint)) return id; } return ControlNone; } void Delegate::defineControls() { Control *control; // FAVOURITE ICON control = new Control(FavouriteControl,QString(":icons/favourite-on.png")); control->setDrawPoint(QPoint(-control->image()->width()-SPACER,SPACER)); mControls.insert(FavouriteControl,control); // ALARM ICON control = new Control(AlarmControl,QString(":icons/alarm-on.png")); control->setDrawPoint(QPoint(-mControls[FavouriteControl]->image()->width()-control->image()->width()-2*SPACER,SPACER)); mControls.insert(AlarmControl,control); } bool Delegate::isPointFromRect(const QPoint &aPoint, const QRect &aRect) const { if( (aPoint.x()>=aRect.left() && aPoint.x()<=aRect.right()) && (aPoint.y()>=aRect.top() && aPoint.y()<=aRect.bottom()) ) return true; return false; }