5.12 实例：标准对话框.txt

qt的源代码

#ifndef DIALOG_H
#define DIALOG_H
#include <QDialog>
class QLabel;
class QErrorMessage;
class Dialog : public QDialog
{
    Q_OBJECT
public:
    Dialog(QWidget *parent = 0);
private slots:
    void setInteger();
    void setDouble();
    void setItem();
    void setText();
    void setColor();
    void setFont();
    void setExistingDirectory();
    void setOpenFileName();
    void setOpenFileNames();
    void setSaveFileName();
    void criticalMessage();
    void informationMessage();
    void questionMessage();
    void warningMessage();
    void errorMessage();
private:
    QLabel *integerLabel;
    QLabel *doubleLabel;
    QLabel *itemLabel;
    QLabel *textLabel;
    QLabel *colorLabel;
    QLabel *fontLabel;
    QLabel *directoryLabel;
    QLabel *openFileNameLabel;
    QLabel *openFileNamesLabel;
    QLabel *saveFileNameLabel;
    QLabel *criticalLabel;
    QLabel *informationLabel;
    QLabel *questionLabel;
    QLabel *warningLabel;
    QLabel *errorLabel;
    QErrorMessage *errorMessageDialog;
    QString openFilesPath;
};
#endif
#include <QtGui>
#include "dialog.h"
#define MESSAGE \
    Dialog::tr("<p>Message boxes have a caption, a text, " \
               "and any number of buttons, each with standard or custom texts." \
               "<p>Click a button to close the message box. Pressing the Esc button " \
               "will activate the detected escape button (if any).")
Dialog::Dialog(QWidget *parent)
    : QDialog(parent)
{
errorMessageDialog = new QErrorMessage(this);
    int frameStyle = QFrame::Sunken | QFrame::Panel;
    integerLabel = new QLabel;
    integerLabel->setFrameStyle(frameStyle);
    QPushButton *integerButton =
            new QPushButton(tr("QInputDialog::get&Integer()"));
    doubleLabel = new QLabel;
    doubleLabel->setFrameStyle(frameStyle);
    QPushButton *doubleButton =
            new QPushButton(tr("QInputDialog::get&Double()"));
    itemLabel = new QLabel;
 itemLabel->setFrameStyle(frameStyle);
    QPushButton *itemButton = new QPushButton(tr("QInputDialog::getIte&m()"));
    textLabel = new QLabel;
    textLabel->setFrameStyle(frameStyle);
    QPushButton *textButton = new QPushButton(tr("QInputDialog::get&Text()"));
    colorLabel = new QLabel;
    colorLabel->setFrameStyle(frameStyle);
QPushButton *colorButton = new QPushButton(tr("QColorDialog::get&Color()"));