/*
 * MyTextEdit.cpp
 *
 *  Created on: Aug 7, 2013
 *      Author: yiyu
 *  QQ:1036184468
 *  Descriptoin:
    
 */




#include <MyTextEdit.h>
#include "SysPara.h"
#include <QTextDocument>
#include <QTextCursor>
#include <QTextBlockFormat>
#include <QTextBlock>
#include <QDebug>
#include <QKeyEvent>
#include <QWSServer>

MyTextEdit::MyTextEdit(QWidget *parent):QTextEdit(parent){

     this->document()->setDocumentMargin(0);
//    QTextDocument *doc = this->document(); //获取文档对象

//    QTextFrame *rootFrame = doc->rootFrame();   //获取根框架

//    QTextFrameFormat frameFormat;           //创建框架格式

//    frameFormat.setBorderBrush(Qt::red);    //设置边界颜色

//    frameFormat.setBorder(0);       //设置边界宽度

//    rootFrame->setFrameFormat(frameFormat); //给框架使用格式


    //this->setTextInteractionFlags(Qt::TextEditable);//不能选中
    this->setLineWrapMode(QTextEdit::NoWrap);
    for(QTextBlock textBlock = this->document()->begin();
        textBlock != this->document()->end();
        textBlock = textBlock.next()){
        QTextBlockFormat textBlockFormat = textBlock.blockFormat();
        textBlockFormat.setBottomMargin(0);
        QTextCursor textCursor = this->textCursor();
        textCursor.setBlockFormat(textBlockFormat);
        this->setTextCursor(textCursor);
    }
}


void	MyTextEdit::dragEnterEvent ( QDragEnterEvent * e ){
	e->ignore();
}
void	MyTextEdit::dragLeaveEvent ( QDragLeaveEvent * e ){
	e->ignore();
}
void	MyTextEdit::dragMoveEvent ( QDragMoveEvent * e ){
    e->ignore();
}
void	MyTextEdit::mouseDoubleClickEvent ( QMouseEvent * e ){
	e->ignore();
}

 void MyTextEdit::mousePressEvent(QMouseEvent * e)
 {
    //获取点击的下标
    //qDebug() << e->x() << ":" << e->y();

     if(this->toPlainText().length()>1 && cursorForPosition(e->pos()).atEnd())
     {
         int textHeight=this->height();
         QPoint currentPt=e->pos();
         QTextCursor textCursor=cursorForPosition(currentPt);
         while(textCursor.atEnd() && 0<--textHeight && 0<currentPt.y())
         {
             int textWidth=this->width();
             currentPt.setX(e->pos().x());
             currentPt.setY(currentPt.y()-5);
             textCursor=cursorForPosition(currentPt);
             while(textCursor.atEnd() && 0<--textWidth && 0<currentPt.x())
             {
                 currentPt.setX(currentPt.x()-8);
                 textCursor=cursorForPosition(currentPt);
             }
         }

         if(0<currentPt.x() && 0<currentPt.y())
         {
             currentPt.setX(e->pos().x()+8);
             this->setTextCursor(cursorForPosition(currentPt));
             return;
         }
     }

    if(e->button() == Qt::LeftButton)
    {
        QWSServer::sendKeyEvent(0,Qt::Key_Left1,Qt::NoModifier,true,false);
        QWSServer::sendKeyEvent(0,Qt::Key_Left,Qt::NoModifier,true,false);		//向系统发送键盘事件
        QWSServer::sendKeyEvent(0,Qt::Key_Right1,Qt::NoModifier,true,false);
        QWSServer::sendKeyEvent(0,Qt::Key_Right,Qt::NoModifier,true,false);

        //setCursor();
        //QTextCursor textCursor = this->textCursor();
        //textCursor.clearSelection();
        //textCursor.setPosition(e->x());
        //textCursor.setBlockFormat(textBlockFormat);
        //this->setTextCursor(textCursor);

    }
//    if(e->button() == Qt::RightButton)
//    {
//        e->ignore();
//    }
//    else
    {
      QTextEdit::mousePressEvent(e);
    }
 }


//bool	MyTextEdit::qwsEvent ( QWSEvent * event ){
//}
//void	MyTextEdit::mouseMoveEvent ( QMouseEvent * e ){
//	e->ignore();
//}
//
//void MyTextEdit::changeEvent ( QEvent * event ){
//	if(event->type()==QEvent::FontChange)
//	{
//	}
//	QTextEdit::changeEvent(event);
//}

//void MyTextEdit::mouseReleaseEvent(QMouseEvent * e)
//{
//    QTextCursor textCursor = this->textCursor();
//    textCursor.clearSelection();
//    QTextEdit::mouseReleaseEvent(e);
//}