#include "happlication.h"
#include <QDebug>
#include <QWidget>
#include <QDialog>
#include <QMessageBox>
#ifdef Q_QDOC
    HApplication::HApplication(int &argc, char **argv)
        :QApplication(argc, argv)
    {
        dialogList.clear();
    }
#else
    HApplication::HApplication(int &argc, char **argv, int flag)
    :QApplication(argc, argv, flag)
    {
       windowList.clear();
    }
#endif

HApplication::~HApplication()
{

}

bool HApplication::notify(QObject *obj, QEvent * event)
{

    if(event->type() == QEvent::ShowToParent){
        if(obj->isWidgetType()){
            if(obj->inherits("QMainWindow") || obj->inherits("QDialog")){
                QWidget *wdg = qobject_cast<QWidget*>(obj);
                //Add pop-up window to container
                windowList.append(wdg);
            }
        }
    }

    if(obj->isWidgetType() && event->type() != QEvent::ShowToParent){
        QWidget *wdg = qobject_cast<QWidget*>(obj);
        //Processing Topping Display
        handleWindowStaysOnTopHint(wdg, event);
    }
    return QApplication::notify(obj, event);
}

void HApplication::handleWindowStaysOnTopHint(QWidget *wdg, QEvent *event){
    //Determine event type
    if(event->type() == QEvent::MouseButtonDblClick || event->type() == QEvent::MouseButtonPress
            || event->type() == QEvent::MouseButtonRelease || event->type() == QEvent::KeyRelease
            || event->type() == QEvent::KeyPress || event->type() == QEvent::Wheel
            || event->type() == QEvent::Move || event->type() == QEvent::FocusIn){
        if(windowList.isEmpty()){
            return;
        }
        for(int i = 1; i < windowList.size(); i++){
            QWidget *m_wdg = windowList.at(i);
            //Show the elements outside the main window again
            m_wdg->showNormal();
            //Top
            m_wdg->raise();
        }
    }
    //Remove closed windows from the container
    if(!wdg->isVisible() && windowList.contains(wdg)){
        for(int i = 0; i < windowList.size(); i++){
            QWidget *m_wdg = windowList.at(i);
            if(wdg == m_wdg){
                windowList.removeAt(i);
                break;
            }
        }
    }
}

QVector<QWidget*> HApplication::getAlreadyShowWindowList(){
    return windowList;
}