QT系列之 checkBox && radioButton的应用

 

 

#include "dialog.h"

#include "ui_dialog.h"

Dialog::Dialog(QWidget *parent)

    : QDialog(parent)

    , ui(new Ui::Dialog)

{

    ui->setupUi(this);

    QObject::connect(ui->radioButtonBlack,SIGNAL(clicked()),this,SLOT(setTextFontColor()));

    QObject::connect(ui->radioButtonBlue,SIGNAL(clicked()),this,SLOT(setTextFontColor()));

    QObject::connect(ui->radioButtonRed,SIGNAL(clicked()),this,SLOT(setTextFontColor()));

}

Dialog::~Dialog()

{

    delete ui;

}

void Dialog::on_checkBoxUnderline_clicked(bool checked)

{

    QFont font = ui->plainTextEdit->font();

    font.setUnderline(checked);

    ui->plainTextEdit->setFont(font);

}

void Dialog::on_checkBoxItalic_clicked(bool checked)

{

    QFont font = ui->plainTextEdit->font();

    font.setItalic(checked);

    ui->plainTextEdit->setFont(font);

}

void Dialog::on_checkBoxBold_clicked(bool checked)

{

    QFont font=ui->plainTextEdit->font();

    font.setBold(checked);

    ui->plainTextEdit->setFont(font);

}

void Dialog::setTextFontColor()

{

    QPalette plet = ui->plainTextEdit->palette();

    if(ui->radioButtonBlack->isChecked())

        plet.setColor(QPalette::Text,Qt::black);

    else if(ui->radioButtonBlue->isChecked())

        plet.setColor(QPalette::Text,Qt::blue);

    else if(ui->radioButtonRed->isChecked())

        plet.setColor(QPalette::Text,Qt::red);

 

    plet.setColor(QPalette::Text,Qt::black);

    ui->plainTextEdit->setPalette(plet);

}