bitmap.cpp

来自「基于嵌入式QT和DBstar SQL关系数据库的应用软件」· C++ 代码 · 共 47 行

#include "bitmap.h"

Bitmap::Bitmap(QWidget *parent, const char *name, WFlags f) 
	: QLabel( parent, name, f )
{
}

Bitmap::~Bitmap()
{
}

bool Bitmap::event( QEvent* ev )
{
    bool ret = QWidget::event( ev ); 
    if ( ev->type() == QEvent::MouseButtonDblClick ) {
      emit mouseDoubleClicked();
    }
    if ( ev->type() == QEvent::Paint ) {
      emit repaintPixmap();
    }
    return ret;
}

void Bitmap::mousePressEvent( QMouseEvent *e )
{
  //emit currentCurPos( e->x() );	
    pressPoint = e->pos();
}

void Bitmap::mouseReleaseEvent( QMouseEvent *e )
{
    int distance;  
    releasePoint = e->pos();
    distance = pressPoint.x()-releasePoint.x();
    if( distance < 10 && distance > -10){
      emit currentCurPos( e->x() );	
    }
    if( distance >= 10 ){
      emit currentCurPos( TRUE, distance );
    }
    else if( distance < -10 ){
      distance = -distance;
      emit currentCurPos( FALSE, distance );
    }
}