#if 1
#include <QtGui>
#include "pictextitem.h"
#include "picscene.h"
#include "moveinput.h"

extern MoveInput* moveInput;
PicTextItem::PicTextItem(QGraphicsItem *parent, QGraphicsScene *scene) :
    QGraphicsTextItem(parent,scene)
{
    setFlag(QGraphicsItem::ItemIsMovable);
    setFlag(QGraphicsItem::ItemIsSelectable);
    //setFlag(QGraphicsItem::ItemIsFocusScope);
    setFlag(QGraphicsItem::ItemIsFocusable);
    //setTextInteractionFlags(Qt::NoTextInteraction);
    QFont font;
    font.setFamily("wenquanyi");
    font.setPixelSize(12);
    //document()->setDefaultFont(font);//如果加上这句后，默认的都是wenquanyi 12点阵,看起来这个字体有问题，会黑屏，所以用界面的字体 WenQuanYiMH 代替
    document()->setDefaultStyleSheet("p { margin: 0; }");
    document()->setDocumentMargin(0);
    SpecialConditions = false;
    CatchCnt1CurrValue = -1;
    CatchCnt1StartValue = -1;
}
//! [1]
QVariant PicTextItem::itemChange(GraphicsItemChange change,
                     const QVariant &value)
{
#if 0	
    if (change == QGraphicsItem::ItemSelectedHasChanged)
        emit selectedChange(this);
    return value;
#else
    //qDebug()<<"item posi: "<< pos();
    if (change == ItemSceneChange && scene()) {
        // value is the new position.
        QPointF newPos = value.toPoint();
        QRectF rect = scene()->sceneRect();
        if (!rect.contains(newPos)) {
            // Keep the item inside the scene rect.
            newPos.setX(qMin(rect.right(), qMax(newPos.x(), rect.left())));
            newPos.setY(qMin(rect.bottom(), qMax(newPos.y(), rect.top())));
            //return newPos;
        }
    }
#if 0
    if (change == ItemSelectedChange && scene()) {
        if(moveInput->isHidden() && value == 1){
            QRect rec = QApplication::desktop()->screenGeometry();
            //QPoint point = widget->mapToGlobal (QPoint(0,0));		//全局坐标
            QRect myRec = moveInput->geometry();
            moveInput->setGeometry(rec.width()/2,rec.height()/2 ,myRec.width(),myRec.height());

           moveInput->show();
        }
        if(value == 0)
        {
            moveInput->hide();
        }
    }
#endif

    return QGraphicsItem::itemChange(change, value);
#endif
}
//! [1]

//! [2]
void PicTextItem::focusOutEvent(QFocusEvent *event)
{
//    setTextInteractionFlags(Qt::NoTextInteraction);
    moveInput->hide();
    emit lostFocus(this);
    QGraphicsTextItem::focusOutEvent(event);
    //
}
//! [2]

//! [5]
void PicTextItem::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
{
    //if (textInteractionFlags() == Qt::NoTextInteraction)
       // setTextInteractionFlags(Qt::TextEditorInteraction);
        //setTextInteractionFlags(Qt::TextBrowserInteraction);
    QGraphicsTextItem::mouseDoubleClickEvent(event);
    //emit itemEdit(toHtml());
}
//! [5]

//限制图元拖动范围
void PicTextItem::mouseReleaseEvent ( QGraphicsSceneMouseEvent * event )
{
    //edit@12-07
    QPointF newPos = this->pos();
    //qDebug()<<"mouseReleaseEvent-tem->pos="<<newPos;
    this->setPos(qCeil(newPos.x()),qCeil(newPos.y()));
    scene()->update();


//    QRectF rect = scene()->sceneRect();
//    if (!rect.contains(newPos)) {
//        // Keep the item inside the scene rect.
//        newPos.setX(qMin(rect.right(), qMax(newPos.x(), rect.left())));
//        newPos.setY(qMin(rect.bottom(), qMax(newPos.y(), rect.top())));
//        this->setPos(newPos);
//    }
    QGraphicsTextItem::mouseReleaseEvent(event);
}

void PicTextItem::keyPressEvent(QKeyEvent *event)
{
    foreach (QGraphicsItem *item, scene()->selectedItems()) {
        if(event->key() == Qt::Key_Left)
        {
            item->moveBy(-1, 0);
        }
        else if(event->key() == Qt::Key_Right)
        {
            item->moveBy(1, 0);
        }
        else if(event->key() == Qt::Key_Up)
        {
            item->moveBy(0, -1);
        }
        else if(event->key() == Qt::Key_Down)
        {
           item->moveBy(0, 1);
        }
    }
    if(!scene()->selectedItems().empty())
    {
        scene()->update();
    }

    //QPointF newPos = this->pos();
    //const QRectF rect = scene()->sceneRect();
//    if (!rect.contains(newPos)) {
//        // Keep the item inside the scene rect.
//        newPos.setX(qMin(rect.right(), qMax(newPos.x(), rect.left())));
//        newPos.setY(qMin(rect.bottom(), qMax(newPos.y(), rect.top())));
//        //this->setPos(newPos);
//        //edit@12-09
//        this->setPos(view->mapToScene(newPos.x(),newPos.y()));
//    }
    QGraphicsTextItem::keyPressEvent(event);
}

#endif