DataPlayer/ChaosDataPlayer/FilterForm.cpp

#include "FilterForm.h"
#include "ui_FilterForm.h"
#include "QMessageBox"
#include <qvalidator.h>
#include "msgbox.h"

FilterForm::FilterForm(QString strFilter, QWidget *parent) :
    BaseWgt(parent),
    ui(new Ui::FilterForm)
{
    ui->setupUi(this);
    resize(500,320);
    setWindowTitle("滤波");
    connect(ui->Btn_OK,                    SIGNAL(clicked()), this, SLOT(SetFilter()));
    connect(ui->Btn_Cancel,                SIGNAL(clicked()), this, SLOT(Cancel()));
    QRegExp rx("[0-9\.]+$");
    QRegExpValidator *validator = new QRegExpValidator(rx, this);
    ui->lineEdit->setValidator(validator);
    ui->lineEdit_2->setValidator(validator);
    QStringList strList = strFilter.split(",");
    ui->lineEdit->setText(strList[0]);
    ui->lineEdit_2->setText(strList[1]);

}

FilterForm::~FilterForm()
{
    delete ui;
}
void FilterForm::Cancel()
{
    this->close();
}
void FilterForm::SetFilter()
{
    QString Xstart = ui->lineEdit->text();
    QString Xend = ui->lineEdit_2->text();

    if((Xstart.length() == 0 && Xend.length() == 0))
    {
        MyMsgBox(QMessageBox::Warning,"警告","请输入正确信息!");
        return;
    }
    if(Xstart.toInt() > Xend.toInt())
    {
        MyMsgBox(QMessageBox::Warning,"警告","请输入正确信息!");
        return;
    }
    emit sgSetFilter(Xstart+","+Xend);
    this->close();
}
void FilterForm::keyPressEvent(QKeyEvent *event)
{
    //Enter事件好像这两个都要写，只写event->key() == Qt::Key_Enter，无法实现
    if (event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return)
    {
        SetFilter();
    }
}