#include "widget.h"
#include "ui_widget.h"
#include <QPalette>
Widget::Widget(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::Widget)
{
    ui->setupUi(this);

    pButton = new QPushButton( "test", this );
    pButton->show();

    pTextEdit = new QTextEdit( this );
    pTextEdit->setGeometry(100,0,100,50);
    pTextEdit->show();

    QPalette pal = pTextEdit->palette();
    pal.setColor( QPalette::Base,Qt::red);
    pTextEdit->setPalette(pal);
    connect( pButton, SIGNAL(clicked( bool )), this, SLOT(Clicked( bool )));

    setStyleSheet("QTreeView { alternate-background-color: yellow; }");

}
void Widget::Clicked( bool )
{
    QPalette pal = pTextEdit->palette();
    pal.setColor( QPalette::Base,Qt::green);
    pTextEdit->setPalette(pal);
}
Widget::~Widget()
{
    delete ui;
}