yanxiaolong / arm_show

#include "login.h"
#include "ui_login.h"


login::login(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::login)
{
    ui->setupUi(this);
    ui->input_password->installEventFilter(this);
}

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

bool login::eventFilter(QObject *watched, QEvent *event)
{
    if (watched==ui->input_password)         //首先判断控件(这里指 lineEdit1)
    {
        if (event->type()==Qt::ClickFocus)     //然后再判断控件的具体事件 (这里指获得焦点事件)
        {
            globaldata = "";
            ui->input_password->setText("");
        }
    }
    return QWidget::eventFilter(watched,event);     // 最后将事件交给上层对话框
}

void login::on_input_password_textChanged(const QString &arg1)
{
    globaldata = ui->input_password->text();
}