#include "Picture.h"
#include "Layout.h"
#include <QMenu>
#include <QInputDialog>
#include <QLabel>
#include <QMouseEvent>
#include <QGroupBox>
#include <QVBoxLayout>

Picture::Picture(Layout* parent,int row, int col,QString name,uint16_t width, uint16_t height,bool enabled,int period):DataRemote(name,"Picture",parent,enabled,period)
{
    box = new QGroupBox(name);
    box->setObjectName(name);

    parent->addWidget(box,row,col);

    label=new QLabel();

    layout = new QVBoxLayout;
    layout->addWidget(label);
    box->setLayout(layout);

    visible_widget=box;

    label->setAlignment(Qt::AlignCenter);

    im_width=width;
    im_height=height;
    label->setMinimumSize(width,height);
    label->setMaximumSize(width,height);
    receivesize=width*height;

    for(int i=0;i<256;i++)
    {
        color_table.append(qRgb(i,i,i));
    }

    label->installEventFilter(this);
}


Picture::~Picture()
{
    delete layout;
}

void Picture::BufEvent(char** buf,int *buf_size,uint16_t period,bool big_endian)
{
    if(big_endian) printf("Picture::BufEvent, big endian not handled\n");

    if(IsEnabled()==false || RefreshRate_ms()!=period) return;

    if((*buf_size)>=im_width*im_height)
    {
        QImage image= QImage((const uchar*)*buf,im_width,im_height,QImage::Format_Indexed8);//Format_RGB888);
        *buf+=im_width*im_height;
        image.setColorTable(color_table);

        label->setPixmap(QPixmap::fromImage(image));
    }
    else
        printf("buffer trop petit\n");
}

bool Picture::eventFilter(QObject *o, QEvent *e)
{
    if (  o == label )
    {
        switch(e->type())
        {
            case QEvent::MouseButtonPress:
            {
                mousePressEvent((QMouseEvent*)e);
                break;
            }

            default:
                break;
        }
    }
    return label->eventFilter(o, e);
}

void Picture::mousePressEvent(QMouseEvent * event)
{

    if(event->x() > 0 && event->x() < label->width() &&
       event->y() > 0 && event->y() < label->height() &&
       event->button() == Qt::RightButton)
    {

        QMenu * menu = new QMenu("nom", label);
        // ajout des actions
        QAction *a,*z;

        a=menu->addAction("get frame");
        a->setEnabled(!auto_refresh);

        appendmenu(menu);
        z=execmenu(label,menu,event->globalPos());
        delete menu;

    }
}

void Picture::XmlEvent(QDomElement dom)
{
    XmlSetup(dom);
}