* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
+#include <QCursor>
#include <QGraphicsScene>
+#include <QGraphicsSceneHoverEvent>
#include <QPainter>
+#include <QDebug>
+
#include "columnhandleitem.h"
-ColumnHandleItem::ColumnHandleItem(qreal w, QGraphicsItem *parent) : QGraphicsItem(parent) {
- _width = w;
+ColumnHandleItem::ColumnHandleItem(qreal w, QGraphicsItem *parent)
+ : QGraphicsItem(parent),
+ _width(w),
+ _hover(0),
+ _timeLine(150)
+{
+ setAcceptsHoverEvents(true);
+ setZValue(10);
+ setCursor(QCursor(Qt::OpenHandCursor));
+ setFlag(ItemIsMovable);
+ connect(&_timeLine, SIGNAL(valueChanged(qreal)), this, SLOT(hoverChanged(qreal)));
}
void ColumnHandleItem::setXPos(qreal xpos) {
prepareGeometryChange();
}
+void ColumnHandleItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
+ QGraphicsItem::mouseMoveEvent(event);
+}
+
+void ColumnHandleItem::mousePressEvent(QGraphicsSceneMouseEvent *event) { qDebug() << "pressed!";
+ setCursor(QCursor(Qt::ClosedHandCursor));
+ QGraphicsItem::mousePressEvent(event);
+}
+
+void ColumnHandleItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
+ setCursor(QCursor(Qt::OpenHandCursor));
+ QGraphicsItem::mouseReleaseEvent(event);
+}
+
void ColumnHandleItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
Q_UNUSED(option);
Q_UNUSED(widget);
- painter->drawRect(boundingRect());
+ QLinearGradient gradient(0, 0, width(), 0);
+ gradient.setColorAt(0.25, Qt::transparent);
+ gradient.setColorAt(0.5, QColor(0, 0, 0, _hover * 200));
+ gradient.setColorAt(0.75, Qt::transparent);
+ painter->fillRect(boundingRect(), gradient);
+}
+
+void ColumnHandleItem::hoverEnterEvent(QGraphicsSceneHoverEvent *event) {
+ Q_UNUSED(event);
+
+ _timeLine.setDirection(QTimeLine::Forward);
+ if(_timeLine.state() != QTimeLine::Running)
+ _timeLine.start();
+}
+void ColumnHandleItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *event) {
+ Q_UNUSED(event);
+ _timeLine.setDirection(QTimeLine::Backward);
+ if(_timeLine.state() != QTimeLine::Running)
+ _timeLine.start();
}
+
+void ColumnHandleItem::hoverChanged(qreal value) {
+ _hover = value;
+ update();
+}
+