Qt大作业————记事本——Day5

工具栏和状态栏

//工具栏

void MainWindow::on_actionTool_triggered()

{

    bool visible = ui->toolBar->isVisible();

    ui->toolBar->setVisible(!visible);

    ui->actionTool->setChecked(!visible);

}

//状态栏

void MainWindow::on_actionZuangTai_triggered()

{

    bool visible = ui->statusbar->isVisible();

    ui->statusbar->setVisible(!visible);

    ui->actionZuangTai->setChecked(!visible);

}

//全选

void MainWindow::on_actionAll_triggered()

{

  ui->textEdit->selectAll();  

}