raptorscrollhandler.cpp

   1 #include "raptorscrollhandler.h"
   2 #include <QPainter>
   3 #include "raptorscrollhandler.moc"
   4
   5 class RaptorScrollHandler::Private
   6 {
   7     public:
   8         Private(){}
   9         ~Private(){}
  10         int height;
  11         int width;
  12         Plasma::Svg *m_theme;
  13         QString comment;
  14         QString tooltip;
  15         OwnState state;
  16         ElementHash elementsNames;
  17         QSize size;
  18         QSize elementSize;
  19         QRect geometry;
  20         Qt::Orientations orientation;
  21         ArrowState arrow;
  22 };
  23
  24
  25 RaptorScrollHandler::RaptorScrollHandler(QGraphicsItem * parent)
  26     : QGraphicsItem(parent)
  27 {
  28     d = new Private;
  29     //TODO
  30     setAcceptsHoverEvents(true);
  31     //read from config
  32     d->height = 240;
  33     d->width = 340;
  34     d->m_theme = new Plasma::Svg("menu/raptorslide",this);
  35     d->m_theme->resize(d->height, d->width);
  36     //TODO don't do this!
  37     setExpandingDirections(Qt::Vertical);
  38     d->state = REGULAR;
  39     d->size = d->m_theme->size();
  40     //d->size  = QSize(d->size.width()/10,d->size.height()/10);
  41     d->elementSize = d->m_theme->elementSize("arrowUp");
  42     d->arrow = UP;
  43     d->orientation = Qt::Vertical;
  44 }
  45
  46 void RaptorScrollHandler::setArrowState(RaptorScrollHandler::ArrowState state)
  47 {
  48     if (state == UP) {
  49          d->elementsNames[REGULAR] = "arrowUp";
  50          d->elementsNames[Hovered] = "arrowUp";
  51          d->elementsNames[PRESSED] = "arrowUp";
  52     } else if (state == DOWN) {
  53          d->elementsNames[REGULAR] = "arrowDown";
  54          d->elementsNames[Hovered] = "arrowDown";
  55          d->elementsNames[PRESSED] = "arrowDown";
  56     } else if (state == LEFT) {
  57          d->elementsNames[REGULAR] = "arrowLeft";
  58          d->elementsNames[Hovered] = "arrowLeft";
  59          d->elementsNames[PRESSED] = "arrowLeft";
  60          d->elementSize = d->m_theme->elementSize("arrowLeft");
  61     } else if (state == RIGHT) {
  62          d->elementsNames[REGULAR] = "arrowRight";
  63          d->elementsNames[Hovered] = "arrowRight";
  64          d->elementsNames[PRESSED] = "arrowRight";
  65          d->elementSize = d->m_theme->elementSize("arrowRight");
  66     }
  67
  68     d->arrow = state;
  69 }
  70
  71
  72 RaptorScrollHandler::~RaptorScrollHandler()
  73 {
  74 //     delete d->m_theme;
  75     delete d;
  76 }
  77
  78 void RaptorScrollHandler::setExpandingDirections(Qt::Orientations ori)
  79 {
  80     Q_UNUSED(ori);
  81  /*
  82     d->orientation = ori;
  83     if (d->orientation == Qt::Vertical) {
  84         d->elementsNames[REGULAR] = "arrowUp";
  85         d->elementsNames[Hovered] = "arrowUp";
  86         d->elementsNames[PRESSED] = "arrowUp";
  87     } else {
  88         d->elementsNames[REGULAR] = "arrowBot";
  89         d->elementsNames[Hovered] = "arrowBot";
  90         d->elementsNames[PRESSED] = "arrowDown";
  91
  92     }
  93     */
  94 }
  95
  96 void RaptorScrollHandler::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
  97 {
  98     d->m_theme->resize(d->height, d->width);
  99     painter->setRenderHint(QPainter::SmoothPixmapTransform);
 100     QRectF source = boundingRect();//(x(), y(), d->width , d->height );
 101     d->m_theme->paint(painter, x(), y(), d->elementsNames[d->state]);
 102     //painter->drawRect(boundingRect());
 103     Q_UNUSED(option);
 104     Q_UNUSED(widget);
 105 }
 106
 107 QString RaptorScrollHandler::getElementNameForState(OwnState state)
 108 {
 109     return d->elementsNames[state];
 110 }
 111
 112 QSize RaptorScrollHandler::sizeHint() const
 113 {
 114     return QSize(d->width, d->height);
 115 }
 116
 117 QRectF RaptorScrollHandler::boundingRect() const
 118 {
 119     //kDebug() << QRectF (x(),y(),d->elementSize.width(),d->elementSize.height());
 120     return QRectF (x(), y(), d->elementSize.width(), d->elementSize.height());
 121 }
 122
 123 void RaptorScrollHandler::setGeometry(const QRect &geometry)
 124 {
 125     d->geometry = geometry;
 126 }
 127
 128 QRect RaptorScrollHandler::geometry() const
 129 {
 130     return d->geometry;
 131 }
 132
 133
 134 /*
 135 QRect RaptorScrollHandler::geometry () const
 136 {
 137     return QRect (x(),y(),d->width,d->height);
 138 }
 139
 140 */
 141
 142 //Events
 143
 144 void RaptorScrollHandler::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
 145 {
 146     d->state = Hovered;
 147     emit activated();
 148     update();
 149 }
 150
 151 void RaptorScrollHandler::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
 152 {
 153     d->m_theme->resize(d->width, d->height);
 154     d->state = Hovered;
 155     update();
 156 }
 157
 158 void RaptorScrollHandler::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
 159 {
 160     d->state = REGULAR;
 161     emit deactivated();
 162     update();
 163 }
 164
 165 void RaptorScrollHandler::mousePressEvent(QGraphicsSceneMouseEvent *event)
 166 {
 167     d->state = Hovered;
 168     emit activated();
 169     update();
 170 }