/*
 * MyInputMethod.cpp
 *
 *  Created on: Jun 23, 2013
 *      Author: yiyu
 *  QQ:1036184468
 *  Descriptoin:
    
 */


#include "MyInputMethod.h"
#include <QDebug>
#include <QDesktopWidget>
#include <QCursor>
#include <QWidget>
#include <QPoint>
#include <QApplication>
#include <QSpinBox>
#include <QFile>
#include <QTextEdit>
#include "Public.h"
#include<iostream>
#include<string>
#include<QLineEdit>
#include <QKeyEvent>
#include <QWindow>
#include "InkJetPrinter.h"

extern InkJetPrinter *pInkJectPrinter;
MyInputMethod::MyInputMethod(QWidget *parent)
    :QObject(parent)
{
    InputMethod *input = new InputMethod(this,parent);   
    QString filename = Public::readLanguageType();
    input->initInputMethod(filename);
    inputMethod = input;
    digitalInput = new DigitalInput(this,parent);

    connect(inputMethod,&InputMethod::onEnterClickedConfirm,this,&MyInputMethod::onInputMethodEnterClicked);
}
void MyInputMethod::SetInputFile(QString filename){
    inputMethod->initInputMethod(filename);
}

InputMethod* MyInputMethod::getInputMethod()
{
    return inputMethod;
}

bool MyInputMethod::shouldIgnoreHideForWidget(QWidget *widget) const
{
    if(!widget)
        return false;

    if(widget == inputMethod || inputMethod->isAncestorOf(widget))
        return true;

    if(widget == digitalInput || digitalInput->isAncestorOf(widget))
        return true;

    return widget->objectName() == "inputPreviewBox";
}

void MyInputMethod::clearCurrentFocusAndHide()
{
#ifndef Q_OS_WIN32
    QWidget *widget = QApplication::focusWidget();
    if(widget && !shouldIgnoreHideForWidget(widget)) {
        widget->clearFocus();
    }

    inputMethod->hide();
    digitalInput->hide();
    inputMethod->onHiden();
#endif
}


//bool MyInputMethod::filter ( int unicode, int keycode, int modifiers, bool isPress, bool autoRepeat ){
//	qDebug() << "MyInputMethod::filter  ";
//	return true;
//}


MyInputMethod::~MyInputMethod(){
	delete inputMethod;
	delete digitalInput;
}
void MyInputMethod::sendString(QString &str){
#ifndef Q_OS_WIN32
    QWidget *watched = QApplication::focusWidget();
    QSpinBox *qsb=qobject_cast<QSpinBox*>(watched);
    QLineEdit *qle=qobject_cast<QLineEdit*>(watched);
    QTextEdit *qte=qobject_cast<QTextEdit*>(watched);
    if(qle)qle->insert(str);
    if(qte)qte->insertPlainText(str);

    if(qsb)
    {
        const QObjectList objectList=qsb->children();
        foreach (QObject * const obj, objectList) {
            if(QLineEdit * const qcle=qobject_cast<QLineEdit *const >(obj))
            {
                qcle->insert(str);
                break;
            }
        }
    }
#endif
}

void MyInputMethod::updateHandler ( int type ){
	QWidget *widget = QApplication::focusWidget();

    if(shouldIgnoreHideForWidget(widget))
        return;

    QLineEdit* lineEdit =dynamic_cast<QLineEdit *>(widget);
    if(lineEdit && lineEdit->objectName() == "lineEdit_DateFormat")
        return;

#ifndef Q_OS_WIN32
    switch(type){
    case 0:break;
    case 1:
			if(widget && dynamic_cast<QSpinBox *>(widget)){
				if(digitalInput->isHidden()){
                    QWidget *hostWindow = widget->window();
					QRect rec = QApplication::desktop()->screenGeometry();
					QPoint point = widget->mapToGlobal (QPoint(0,0));		//全局坐标
					QRect myRec = digitalInput->geometry();
                    digitalInput->setGeometry((point.x() > rec.width()/2)?(point.x() - myRec.width() - 20):(point.x() + 20),
                            (point.y() > rec.height()/2)?(point.y() - myRec.height() - 20):(point.y() + 20),
                                    myRec.width(),myRec.height());
                    digitalInput->show();
                    if(hostWindow && digitalInput->windowHandle() && hostWindow->windowHandle()) {
                        digitalInput->windowHandle()->setTransientParent(hostWindow->windowHandle());
                    }
                    digitalInput->raise();
				}
			}
			else {
				if(inputMethod->isHidden()){
					//QCursor cursor(Qt::PointingHandCursor);
					//inputMethod->setCursor(cursor);
					QRect rec = QApplication::desktop()->screenGeometry();
					QRect myRec = inputMethod->geometry();
					if(widget){
						QPoint point = widget->mapToGlobal (QPoint(0,0));		//全局坐标
                        QPoint topLeft=pInkJectPrinter->pos();
                        if(point.y() < rec.height()/2)		/*如果组件在上，则将输入法放在上面，否则放在下面*/
                            inputMethod->setGeometry(topLeft.x(),rec.height() - myRec.height(),myRec.width(),myRec.height());
//                            inputMethod->setGeometry(0,rec.height() - myRec.height()-12,myRec.width(),myRec.height());
						else
                            inputMethod->setGeometry(topLeft.x(),30,myRec.width(),myRec.height());

                        if(lineEdit)
						    inputMethod->show(lineEdit);
					}
				}
			}
			break;
    case 2://QWSInputMethod::FocusOut:
			inputMethod->hide();
            // digitalInput->hide();
            inputMethod->onHiden();            
			break;
	}
#endif

}

void MyInputMethod::switchBangalInput(bool flag){
    inputMethod->switchKeyBoardBengalDisply(flag);
}

void MyInputMethod::backSapceButtonDel(){
    inputMethod->onBackspaceClicked();
}

 #ifdef EnableArabic
void MyInputMethod::getArabicFlag(bool flag){
    inputMethod->setArabicDisplay(flag);
}

void MyInputMethod::getArabicPage(int page){
    emit selectArabicPage(page);
}

void MyInputMethod::getEnglishOrAarbic(bool flag){
      emit switchEnglishOrArabic(flag);
  }

 void MyInputMethod::switchArabicFlag(bool flag){
     inputMethod->setSwitchArabicFlag(flag);
 }
#endif

 void MyInputMethod::sendEvent(int key,Qt::KeyboardModifiers modifiers)
 {
    QKeyEvent pressEvent(QEvent::KeyPress, key, modifiers);
    QKeyEvent releaseEvent(QEvent::KeyRelease, key, modifiers);

    QCoreApplication::sendEvent(QApplication::focusWidget(), &pressEvent);

    if(QApplication::focusWidget())
        QCoreApplication::sendEvent(QApplication::focusWidget(), &releaseEvent);
 }

 void MyInputMethod::MyInputMethod::onInputMethodEnterClicked()
 {
    emit sendEnterClickedSignal();
 }