factor.cpp

一个基于QT的电网监控程序

#include "factor.h" 

#include <qframe.h>
#include <qlabel.h>
#include <qlcdnumber.h>
#include <qslider.h>
#include <qspinbox.h>
#include <qlayout.h>
#include <qvariant.h>
#include <qtooltip.h>
#include <qwhatsthis.h>
#include <qfont.h>

Factor::Factor( QWidget* parent,  const char* name)
    : QFrame( parent, name)
{
    if ( !name )
	setName( "factor" );
   current_value=0;
    resize( 425, 300 );
    
    QFont font(  this->font() );
    font.setFamily( "adobe-courier" );
    font.setPointSize( 16 );
    this->setFont( font ); 
    this->setFrameShape( QFrame::NoFrame );
    this->setFrameShadow( QFrame::Raised );

    TextLabel1 = new QLabel( this, "TextLabel1" );
    QFont TextLabel1_font(  TextLabel1->font() );
    TextLabel1_font.setPointSize( 18 );
    TextLabel1->setFont( TextLabel1_font ); 
    TextLabel1->setGeometry( QRect( 130, 20, 250, 50 ) ); 
    TextLabel1->setText( tr( "PhaseA Current Factor" ) );
    
    TextLabel2 = new QLabel( this, "TextLabel2" );
    QFont TextLabel2_font(  TextLabel2->font() );
    TextLabel2_font.setPointSize( 18 );
    TextLabel2->setFont( TextLabel2_font ); 
    TextLabel2->setGeometry( QRect( 50, 220, 120, 50 ) ); 
    TextLabel2->setText( tr( "OutPut" ) );

    LCDNumber1 = new QLCDNumber( this, "LCDNumber1" );
    LCDNumber1->setGeometry( QRect( 150, 200, 216, 90 ) ); 
    LCDNumber1->setNumDigits( 6 );
    LCDNumber1->setSegmentStyle( QLCDNumber::Filled );

    Slider1 = new QSlider( this, "Slider1" );
    Slider1->setGeometry( QRect( 30, 90, 255, 41 ) ); 
    Slider1->setMaxValue( 5000 );
    Slider1->setOrientation( QSlider::Horizontal );
    Slider1->setValue(0);

    SpinBox1 = new QSpinBox( this, "SpinBox1" );
    SpinBox1->setGeometry( QRect( 300, 86, 110, 51 ) ); 
    SpinBox1->setLineWidth( 1 );
    SpinBox1->setMaxValue( 5000 );
    SpinBox1->setValue(0);

    // signals and slots connections
    connect( Slider1, SIGNAL( valueChanged(int) ), this, SLOT( value_sys(int) ) );
    connect( SpinBox1, SIGNAL( valueChanged(int) ), this, SLOT( value_sys(int)) );
    connect(this,SIGNAL(LcdNum1_send(double)),LCDNumber1,SLOT(display(double)));
}


Factor::~Factor()
{
}

void Factor::SetTitle(const QString &title)
{
	TextLabel1->setText(title);
}

void Factor::setLcdNumber1(double num)
{
	emit LcdNum1_send(num);
}

void Factor::value_sys(int number)
{
	if(current_value!=number){
	 current_value=number;
	 Slider1->setValue(number);
	 SpinBox1->setValue(number);
	}
}

void Factor::SetCurrentValue(int number)
{
	current_value=number;
	Slider1->setValue(number);
	SpinBox1->setValue(number);
}

int Factor::GetCurrentValue()
{
	return current_value;
}