QT之常用按钮组件

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#include "widget.h"
#include "ui_widget.h"

Widget::Widget(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::Widget)
{
    ui->setupUi(this);
}

Widget::~Widget()
{
    delete ui;
}

void Widget::on_pushButton_clicked()
{
    ui->lineEdit->setAlignment(Qt::AlignLeft);
}

void Widget::on_pushButton_2_clicked()
{
    ui->lineEdit->setAlignment(Qt::AlignCenter);
}

void Widget::on_pushButton_3_clicked()
{
    ui->lineEdit->setAlignment(Qt::AlignRight);
}

void Widget::on_pushButton_4_clicked(bool checked)
{
    QFont font = ui->lineEdit->font();
    font.setBold(checked);
    ui->lineEdit->setFont(font);
}

void Widget::on_pushButton_5_clicked(bool checked)
{
    QFont font = ui->lineEdit->font();
    font.setItalic(checked);
    ui->lineEdit->setFont(font);
}

void Widget::on_pushButton_6_clicked(bool checked)
{
    QFont font = ui->lineEdit->font();
    font.setUnderline(checked);
    ui->lineEdit->setFont(font);
}

void Widget::on_checkBox_clicked(bool checked)
{
    ui->lineEdit->setReadOnly(checked);
}

void Widget::on_checkBox_2_clicked(bool checked)
{
    ui->lineEdit->setEnabled(checked);
}

void Widget::on_checkBox_3_clicked(bool checked)
{
    ui->lineEdit->setClearButtonEnabled(checked);
}

void Widget::on_radioButton_clicked()
{
    QPalette plet = ui->lineEdit->palette();
    plet.setColor(QPalette::Text,Qt::black);
    ui->lineEdit->setPalette(plet);
}

void Widget::on_radioButton_2_clicked()
{
    QPalette plet = ui->lineEdit->palette();
    plet.setColor(QPalette::Text,Qt::red);
    ui->lineEdit->setPalette(plet);
}

void Widget::on_radioButton_3_clicked()
{
    QPalette plet = ui->lineEdit->palette();
    plet.setColor(QPalette::Text,Qt::blue);
    ui->lineEdit->setPalette(plet);
}