Qt標準輸入框

//inputdlg.h

#ifndef INPUTDLG_H
#define INPUTDLG_H

#include <QDialog>
#include <QLabel>
#include <QPushButton>
#include <QGridLayout>
#include <QDialog>
#include <QInputDialog>

class InputDlg : public QDialog
{
    Q_OBJECT

public:
    InputDlg(QWidget *parent = 0);
    ~InputDlg();

private slots:
    void ChangeName();
    void ChangeSex();
    void ChangeAge();
    void ChangeScore();

private:
    QLabel *nameLabel1;
    QLabel *sexLabel1;
    QLabel *ageLabel1;
    QLabel *scoreLabel1;
    QLabel *nameLabel2;
    QLabel *sexLabel2;
    QLabel *ageLabel2;
    QLabel *scoreLabel2;
    QPushButton *nameBtn;
    QPushButton *sexBtn;
    QPushButton *ageBtn;
    QPushButton *scoreBtn;
    QGridLayout *mainLayout;
};
#endif // INPUTDLG_H

//inputdlg.cpp

#include "inputdlg.h"

InputDlg::InputDlg(QWidget *parent)
    : QDialog(parent)
{
    setWindowTitle(tr("標準輸入對話框"));
    nameLabel1 = new QLabel;
    nameLabel1->setText(tr("姓名:"));
    nameLabel2  = new QLabel;
    nameLabel2->setText(tr("李偉夫"));
    nameLabel2->setFrameStyle(QFrame::Panel|QFrame::Sunken);
    nameBtn = new  QPushButton;
    nameBtn->setText(tr("修改名字"));

    sexLabel1 = new QLabel;
    sexLabel1->setText(tr("性別："));
    sexLabel2 = new QLabel;
    sexLabel2->setText(tr("男"));
    sexLabel2->setFrameStyle(QFrame::Panel|QFrame::Sunken);
    sexBtn = new QPushButton;
    sexBtn->setText(tr("修改性別"));

    ageLabel1 = new QLabel;
    ageLabel1->setText(tr("年齡："));
    ageLabel2 = new QLabel;
    ageLabel2->setText(tr("21"));
    ageLabel2->setFrameStyle(QFrame::Panel|QFrame::Sunken);
    ageBtn = new QPushButton;
    ageBtn->setText(tr("修改年齡"));

    scoreLabel1 = new QLabel;
    scoreLabel1->setText(tr("成績："));
    scoreLabel2 = new QLabel;
    scoreLabel2->setText(tr("80"));
    scoreLabel2->setFrameStyle(QFrame::Panel|QFrame::Sunken);
    scoreBtn = new QPushButton;
    scoreBtn->setText(tr("修改成績"));

    mainLayout = new QGridLayout(this);
    mainLayout->addWidget(nameLabel1,0,0);
    mainLayout->addWidget(nameLabel2,0,1);
    mainLayout->addWidget(nameBtn,0,2);

    mainLayout->addWidget(sexLabel1,1,0);
    mainLayout->addWidget(sexLabel2,1,1);
    mainLayout->addWidget(sexBtn,1,2);

    mainLayout->addWidget(ageLabel1,2,0);
    mainLayout->addWidget(ageLabel2,2,1);
    mainLayout->addWidget(ageBtn,2,2);

    mainLayout->addWidget(scoreLabel1,3,0);
    mainLayout->addWidget(scoreLabel2,3,1);
    mainLayout->addWidget(scoreBtn,3,2);

    connect(nameBtn,SIGNAL(clicked()),this,SLOT(ChangeName()));
    connect(sexBtn,SIGNAL(clicked()),this,SLOT(ChangeSex()));
    connect(ageBtn,SIGNAL(clicked()),this,SLOT(ChangeAge()));
    connect(scoreBtn,SIGNAL(clicked()),this,SLOT(ChangeScore()));
}


InputDlg::~InputDlg()
{

}
//字符串輸入對話框
void InputDlg::ChangeName()
{
#if 0
    QString getText(父窗口，對話框標題，標籤提示，輸入模式，默認文字，true:確定按鈕觸發 false：取消按鈕觸發);
#endif
    bool ok;
    //字符串輸入
    QString str = QInputDialog::getText(this,tr("標準字符串輸入對話框"),tr("請輸入姓名"),
                                        QLineEdit::Normal,nameLabel2->text(),&ok);
    if(ok && !str.isEmpty())
        nameLabel2->setText(str);
}
//條目選擇對話框
void InputDlg::ChangeSex()
{
#if 0
    QString getItem(父窗口，對話框標題，標籤提示，對象，默認顯示條目序號，控件中顯示的文字是否可編輯，
                    true:確定按鈕觸發 false：取消按鈕觸發);
#endif
    QStringList sexItem;
    sexItem << tr("男") << tr("女");
    bool ok;

    QString str = QInputDialog::getItem(this,tr("標準條目選擇對話框"),tr("請選擇性別"),sexItem,0,false,&ok);
    if(ok && !str.isEmpty())
        sexLabel2->setText(str);
}
void InputDlg::ChangeAge()
{
#if 0
    QString getInt(父窗口，對話框標題，標籤提示，默認顯示值，指定範圍，，指定步進， true:確定按鈕觸發 false：取消按鈕觸發);
#endif
    bool ok;
    int age = QInputDialog::getInt(this,tr("標準int類型輸入對話框"),tr("請輸入年齡"),ageLabel2->text().toInt(&ok)
                                   ,0,100,1,&ok);
    if(ok)
        ageLabel2->setText(QString(tr("%1")).arg(age));
}
void InputDlg::ChangeScore()
{
    bool ok;
    double dTemp = QInputDialog::getDouble(this,tr("標準int類型輸入對話框"),tr("請輸入年齡"),ageLabel2->text().toInt(&ok)
                                   ,0,100,1,&ok);
    if(ok)
        scoreLabel2->setText(QString(tr("%1")).arg(dTemp));
}

//dialog.h

#ifndef DIALOG_H
#define DIALOG_H

#include <QDialog>
#include "inputdlg.h"

class Dialog : public QDialog
{
    Q_OBJECT

public:
    Dialog(QWidget *parent = 0);
    ~Dialog();

private:
    QPushButton *inputBtn;
    InputDlg *inputDlg;

private slots:
    void showInput();
};

#endif // DIALOG_H

//dialog.cpp

#include "dialog.h"

Dialog::Dialog(QWidget *parent)
    : QDialog(parent)
{

    inputBtn = new QPushButton;
    inputBtn->setText(tr("標準輸入對話框"));

    QGridLayout *main = new QGridLayout(this);
    main->addWidget(inputBtn,3,0);

    connect(inputBtn,SIGNAL(clicked()),this,SLOT(showInput()));
}


Dialog::~Dialog()
{

}
void Dialog::showInput()
{
    inputDlg = new InputDlg(this);
    inputDlg->show();

}