qinputdialog.cpp

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#include "qinputdialog.h"

#ifndef QT_NO_INPUTDIALOG

#include "qapplication.h"
#include "qcombobox.h"
#include "qdialogbuttonbox.h"
#include "qlabel.h"
#include "qlayout.h"
#include "qlineedit.h"
#include "qlistwidget.h"
#include "qpushbutton.h"
#include "qspinbox.h"
#include "qstackedlayout.h"
#include "qvalidator.h"
#include "qevent.h"
#include "qdialog_p.h"

QT_USE_NAMESPACE

static const char *signalForMember(const char *member)
{
    static const int NumCandidates = 4;
    static const char * const candidateSignals[NumCandidates] = {
        SIGNAL(textValueSelected(QString)),
        SIGNAL(intValueSelected(int)),
        SIGNAL(doubleValueSelected(double)),
        SIGNAL(accepted())
    };

    QByteArray normalizedMember(QMetaObject::normalizedSignature(member));

    int i = 0;
    while (i < NumCandidates - 1) { // sic
        if (QMetaObject::checkConnectArgs(candidateSignals[i], normalizedMember))
            break;
        ++i;
    }
    return candidateSignals[i];
}

QT_BEGIN_NAMESPACE

/*
    These internal classes add extra validation to QSpinBox and QDoubleSpinBox by emitting
    textChanged(bool) after events that may potentially change the visible text. Return or
    Enter key presses are not propagated if the visible text is invalid. Instead, the visible
    text is modified to the last valid value.
*/
class QInputDialogSpinBox : public QSpinBox
{
    Q_OBJECT

public:
    QInputDialogSpinBox(QWidget *parent)
        : QSpinBox(parent) {
        connect(lineEdit(), SIGNAL(textChanged(QString)), this, SLOT(notifyTextChanged()));
        connect(this, SIGNAL(editingFinished()), this, SLOT(notifyTextChanged()));
    }

signals:
    void textChanged(bool);

private slots:
    void notifyTextChanged() { emit textChanged(hasAcceptableInput()); }

private:
    void keyPressEvent(QKeyEvent *event) {
        if ((event->key() == Qt::Key_Return || event->key() == Qt::Key_Enter) && !hasAcceptableInput()) {
#ifndef QT_NO_PROPERTIES
            setProperty("value", property("value"));
#endif
        } else {
            QSpinBox::keyPressEvent(event);
        }
        notifyTextChanged();
    }

    void mousePressEvent(QMouseEvent *event) {
        QSpinBox::mousePressEvent(event);
        notifyTextChanged();
    }
};

class QInputDialogDoubleSpinBox : public QDoubleSpinBox
{
    Q_OBJECT

public:
    QInputDialogDoubleSpinBox(QWidget *parent = 0)
        : QDoubleSpinBox(parent) {
        connect(lineEdit(), SIGNAL(textChanged(QString)), this, SLOT(notifyTextChanged()));
        connect(this, SIGNAL(editingFinished()), this, SLOT(notifyTextChanged()));
    }

signals:
    void textChanged(bool);

private slots:
    void notifyTextChanged() { emit textChanged(hasAcceptableInput()); }

private:
    void keyPressEvent(QKeyEvent *event) {
        if ((event->key() == Qt::Key_Return || event->key() == Qt::Key_Enter) && !hasAcceptableInput()) {
#ifndef QT_NO_PROPERTIES
            setProperty("value", property("value"));
#endif
        } else {
            QDoubleSpinBox::keyPressEvent(event);
        }
        notifyTextChanged();
    }

    void mousePressEvent(QMouseEvent *event) {
        QDoubleSpinBox::mousePressEvent(event);
        notifyTextChanged();
    }
};

QT_BEGIN_INCLUDE_NAMESPACE
#include "qinputdialog.moc"
QT_END_INCLUDE_NAMESPACE

class QInputDialogPrivate : public QDialogPrivate
{
    Q_DECLARE_PUBLIC(QInputDialog)

public:
    QInputDialogPrivate();

    void ensureLayout();
    void ensureLineEdit();
    void ensureComboBox();
    void ensureListView();
    void ensureIntSpinBox();
    void ensureDoubleSpinBox();
    void ensureEnabledConnection(QAbstractSpinBox *spinBox);
    void setInputWidget(QWidget *widget);
    void chooseRightTextInputWidget();
    void setComboBoxText(const QString &text);
    void setListViewText(const QString &text);
    QString listViewText() const;
    void ensureLayout() const { const_cast<QInputDialogPrivate *>(this)->ensureLayout(); }
    bool useComboBoxOrListView() const { return comboBox && comboBox->count() > 0; }
    void _q_textChanged(const QString &text);
    void _q_currentRowChanged(const QModelIndex &newIndex, const QModelIndex &oldIndex);

    mutable QLabel *label;
    mutable QDialogButtonBox *buttonBox;
    mutable QLineEdit *lineEdit;
    mutable QSpinBox *intSpinBox;
    mutable QDoubleSpinBox *doubleSpinBox;
    mutable QComboBox *comboBox;
    mutable QListView *listView;
    mutable QWidget *inputWidget;
    mutable QVBoxLayout *mainLayout;
    QInputDialog::InputDialogOptions opts;
    QString textValue;
    QPointer<QObject> receiverToDisconnectOnClose;
    QByteArray memberToDisconnectOnClose;
};

QInputDialogPrivate::QInputDialogPrivate()
    : label(0), buttonBox(0), lineEdit(0), intSpinBox(0), doubleSpinBox(0), comboBox(0), listView(0),
      inputWidget(0), mainLayout(0)
{
}

void QInputDialogPrivate::ensureLayout()
{
    Q_Q(QInputDialog);

    if (mainLayout)
        return;

    if (!inputWidget) {
        ensureLineEdit();
        inputWidget = lineEdit;
    }

    if (!label)
        label = new QLabel(QInputDialog::tr("Enter a value:"), q);
#ifndef QT_NO_SHORTCUT
    label->setBuddy(inputWidget);
#endif
    label->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed);

    buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel, Qt::Horizontal, q);
    QObject::connect(buttonBox, SIGNAL(accepted()), q, SLOT(accept()));
    QObject::connect(buttonBox, SIGNAL(rejected()), q, SLOT(reject()));

    mainLayout = new QVBoxLayout(q);
    //we want to let the input dialog grow to available size on Symbian.
#ifndef Q_OS_SYMBIAN
    mainLayout->setSizeConstraint(QLayout::SetMinAndMaxSize);
#else
    label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
#endif
    mainLayout->addWidget(label);
    mainLayout->addWidget(inputWidget);
    mainLayout->addWidget(buttonBox);
    ensureEnabledConnection(qobject_cast<QAbstractSpinBox *>(inputWidget));
    inputWidget->show();
}

void QInputDialogPrivate::ensureLineEdit()
{
    Q_Q(QInputDialog);
    if (!lineEdit) {
        lineEdit = new QLineEdit(q);
#ifndef QT_NO_IM
        qt_widget_private(lineEdit)->inheritsInputMethodHints = 1;
#endif
        lineEdit->hide();
        QObject::connect(lineEdit, SIGNAL(textChanged(QString)),
                         q, SLOT(_q_textChanged(QString)));
    }
}

void QInputDialogPrivate::ensureComboBox()
{
    Q_Q(QInputDialog);
    if (!comboBox) {
        comboBox = new QComboBox(q);
#ifndef QT_NO_IM
        qt_widget_private(comboBox)->inheritsInputMethodHints = 1;
#endif
        comboBox->hide();
        QObject::connect(comboBox, SIGNAL(editTextChanged(QString)),
                         q, SLOT(_q_textChanged(QString)));
        QObject::connect(comboBox, SIGNAL(currentIndexChanged(QString)),
                         q, SLOT(_q_textChanged(QString)));
    }
}

void QInputDialogPrivate::ensureListView()
{
    Q_Q(QInputDialog);
    if (!listView) {
        ensureComboBox();

        listView = new QListView(q);
        listView->hide();
        listView->setEditTriggers(QAbstractItemView::NoEditTriggers);
        listView->setSelectionMode(QAbstractItemView::SingleSelection);
        listView->setModel(comboBox->model());
        listView->setCurrentIndex(QModelIndex()); // ###
        QObject::connect(listView->selectionModel(),
                         SIGNAL(currentRowChanged(QModelIndex,QModelIndex)),
                         q, SLOT(_q_currentRowChanged(QModelIndex,QModelIndex)));
    }
}

void QInputDialogPrivate::ensureIntSpinBox()
{
    Q_Q(QInputDialog);
    if (!intSpinBox) {
        intSpinBox = new QInputDialogSpinBox(q);
        intSpinBox->hide();
        QObject::connect(intSpinBox, SIGNAL(valueChanged(int)),
                         q, SIGNAL(intValueChanged(int)));
    }
}

void QInputDialogPrivate::ensureDoubleSpinBox()
{
    Q_Q(QInputDialog);
    if (!doubleSpinBox) {
        doubleSpinBox = new QInputDialogDoubleSpinBox(q);
        doubleSpinBox->hide();
        QObject::connect(doubleSpinBox, SIGNAL(valueChanged(double)),
                         q, SIGNAL(doubleValueChanged(double)));
    }
}

void QInputDialogPrivate::ensureEnabledConnection(QAbstractSpinBox *spinBox)
{
    if (spinBox) {
        QAbstractButton *okButton = buttonBox->button(QDialogButtonBox::Ok);
        QObject::connect(spinBox, SIGNAL(textChanged(bool)), okButton, SLOT(setEnabled(bool)), Qt::UniqueConnection);
    }
}

void QInputDialogPrivate::setInputWidget(QWidget *widget)
{
    Q_ASSERT(widget);
    if (inputWidget == widget)
        return;

    if (mainLayout) {
        Q_ASSERT(inputWidget);
        mainLayout->removeWidget(inputWidget);
        inputWidget->hide();
        mainLayout->insertWidget(1, widget);
        widget->show();

        // disconnect old input widget
        QAbstractButton *okButton = buttonBox->button(QDialogButtonBox::Ok);
        if (QAbstractSpinBox *spinBox = qobject_cast<QAbstractSpinBox *>(inputWidget))
            QObject::disconnect(spinBox, SIGNAL(textChanged(bool)), okButton, SLOT(setEnabled(bool)));

        // connect new input widget and update enabled state of OK button
        QAbstractSpinBox *spinBox = qobject_cast<QAbstractSpinBox *>(widget);
        ensureEnabledConnection(spinBox);
        okButton->setEnabled(!spinBox || spinBox->hasAcceptableInput());
    }

    inputWidget = widget;

    // synchronize the text shown in the new text editor with the current
    // textValue
    if (widget == lineEdit) {
        lineEdit->setText(textValue);
    } else if (widget == comboBox) {
        setComboBoxText(textValue);
    } else if (widget == listView) {
        setListViewText(textValue);
        ensureLayout();
        buttonBox->button(QDialogButtonBox::Ok)->setEnabled(listView->selectionModel()->hasSelection());
    }
}

void QInputDialogPrivate::chooseRightTextInputWidget()
{
    QWidget *widget;

    if (useComboBoxOrListView()) {
        if ((opts & QInputDialog::UseListViewForComboBoxItems) && !comboBox->isEditable()) {
            ensureListView();
            widget = listView;
        } else {
            widget = comboBox;
        }
    } else {
        ensureLineEdit();
        widget = lineEdit;
    }

    setInputWidget(widget);

    if (inputWidget == comboBox) {
        _q_textChanged(comboBox->currentText());
    } else if (inputWidget == listView) {
        _q_textChanged(listViewText());
    }
}

void QInputDialogPrivate::setComboBoxText(const QString &text)
{
    int index = comboBox->findText(text);
    if (index != -1) {
        comboBox->setCurrentIndex(index);
    } else if (comboBox->isEditable()) {
        comboBox->setEditText(text);
    }
}

void QInputDialogPrivate::setListViewText(const QString &text)
{
    int row = comboBox->findText(text);
    if (row != -1) {
        QModelIndex index(comboBox->model()->index(row, 0));
        listView->selectionModel()->setCurrentIndex(index, QItemSelectionModel::Clear
                                                         | QItemSelectionModel::SelectCurrent);
    }
}

QString QInputDialogPrivate::listViewText() const
{
    if (listView->selectionModel()->hasSelection()) {
        int row = listView->selectionModel()->selectedRows().value(0).row();
        return comboBox->itemText(row);
    } else {
        return QString();
    }
}

void QInputDialogPrivate::_q_textChanged(const QString &text)
{
    Q_Q(QInputDialog);
    if (textValue != text) {
        textValue = text;
        emit q->textValueChanged(text);
    }
}

void QInputDialogPrivate::_q_currentRowChanged(const QModelIndex &newIndex,
                                               const QModelIndex & /* oldIndex */)
{
    _q_textChanged(comboBox->model()->data(newIndex).toString());
    buttonBox->button(QDialogButtonBox::Ok)->setEnabled(true);
}

QInputDialog::QInputDialog(QWidget *parent, Qt::WindowFlags flags)
    : QDialog(*new QInputDialogPrivate, parent, flags)
{
}

QInputDialog::~QInputDialog()
{
}

void QInputDialog::setInputMode(InputMode mode)
{
    Q_D(QInputDialog);

    QWidget *widget;

    /*
        Warning: Some functions in QInputDialog rely on implementation details
        of the code below. Look for the comments that accompany the calls to
        setInputMode() throughout this file before you change the code below.
    */

    switch (mode) {
    case IntInput:
        d->ensureIntSpinBox();
        widget = d->intSpinBox;
        break;
    case DoubleInput:
        d->ensureDoubleSpinBox();
        widget = d->doubleSpinBox;
        break;
    default:
        Q_ASSERT(mode == TextInput);
        d->chooseRightTextInputWidget();
        return;
    }

    d->setInputWidget(widget);
}

QInputDialog::InputMode QInputDialog::inputMode() const
{
    Q_D(const QInputDialog);

    if (d->inputWidget) {
        if (d->inputWidget == d->intSpinBox) {
            return IntInput;
        } else if (d->inputWidget == d->doubleSpinBox) {
            return DoubleInput;
        }
    }

    return TextInput;
}

void QInputDialog::setLabelText(const QString &text)
{
    Q_D(QInputDialog);
    if (!d->label) {
        d->label = new QLabel(text, this);
    } else {
        d->label->setText(text);
    }
#ifdef Q_OS_SYMBIAN
    d->label->setWordWrap(true);
#endif
}

QString QInputDialog::labelText() const
{
    Q_D(const QInputDialog);
    d->ensureLayout();
    return d->label->text();
}

void QInputDialog::setOption(InputDialogOption option, bool on)
{
    Q_D(QInputDialog);
    if (!(d->opts & option) != !on)
        setOptions(d->opts ^ option);
}

bool QInputDialog::testOption(InputDialogOption option) const
{
    Q_D(const QInputDialog);
    return (d->opts & option) != 0;
}

void QInputDialog::setOptions(InputDialogOptions options)
{
    Q_D(QInputDialog);

    InputDialogOptions changed = (options ^ d->opts);
    if (!changed)
        return;

    d->opts = options;
    d->ensureLayout();

    if (changed & NoButtons)
        d->buttonBox->setVisible(!(options & NoButtons));
    if ((changed & UseListViewForComboBoxItems) && inputMode() == TextInput)
        d->chooseRightTextInputWidget();
}

QInputDialog::InputDialogOptions QInputDialog::options() const
{
    Q_D(const QInputDialog);
    return d->opts;
}

void QInputDialog::setTextValue(const QString &text)
{
    Q_D(QInputDialog);

    setInputMode(TextInput);
    if (d->inputWidget == d->lineEdit) {
        d->lineEdit->setText(text);
    } else if (d->inputWidget == d->comboBox) {
        d->setComboBoxText(text);
    } else {
        d->setListViewText(text);
    }
}

QString QInputDialog::textValue() const
{
    Q_D(const QInputDialog);
    return d->textValue;
}

void QInputDialog::setTextEchoMode(QLineEdit::EchoMode mode)
{
    Q_D(QInputDialog);
    d->ensureLineEdit();
    d->lineEdit->setEchoMode(mode);
}

QLineEdit::EchoMode QInputDialog::textEchoMode() const
{
    Q_D(const QInputDialog);
    if (d->lineEdit) {
        return d->lineEdit->echoMode();
    } else {
        return QLineEdit::Normal;
    }
}

void QInputDialog::setComboBoxEditable(bool editable)
{
    Q_D(QInputDialog);
    d->ensureComboBox();
    d->comboBox->setEditable(editable);
    if (inputMode() == TextInput)
        d->chooseRightTextInputWidget();
}

bool QInputDialog::isComboBoxEditable() const
{
    Q_D(const QInputDialog);
    if (d->comboBox) {
        return d->comboBox->isEditable();
    } else {
        return false;
    }
}

void QInputDialog::setComboBoxItems(const QStringList &items)
{
    Q_D(QInputDialog);

    d->ensureComboBox();
    d->comboBox->blockSignals(true);
    d->comboBox->clear();
    d->comboBox->addItems(items);
    d->comboBox->blockSignals(false);

    if (inputMode() == TextInput)
        d->chooseRightTextInputWidget();
}

QStringList QInputDialog::comboBoxItems() const
{
    Q_D(const QInputDialog);
    QStringList result;
    if (d->comboBox) {
        const int count = d->comboBox->count();
        for (int i = 0; i < count; ++i)
            result.append(d->comboBox->itemText(i));
    }
    return result;
}

void QInputDialog::setIntValue(int value)
{
    Q_D(QInputDialog);
    setInputMode(IntInput);
    d->intSpinBox->setValue(value);
}

int QInputDialog::intValue() const
{
    Q_D(const QInputDialog);
    if (d->intSpinBox) {
        return d->intSpinBox->value();
    } else {
        return 0;
    }
}

void QInputDialog::setIntMinimum(int min)
{
    Q_D(QInputDialog);
    d->ensureIntSpinBox();
    d->intSpinBox->setMinimum(min);
}

int QInputDialog::intMinimum() const
{
    Q_D(const QInputDialog);
    if (d->intSpinBox) {
        return d->intSpinBox->minimum();
    } else {
        return 0;
    }
}

void QInputDialog::setIntMaximum(int max)
{
    Q_D(QInputDialog);
    d->ensureIntSpinBox();
    d->intSpinBox->setMaximum(max);
}

int QInputDialog::intMaximum() const
{
    Q_D(const QInputDialog);
    if (d->intSpinBox) {
        return d->intSpinBox->maximum();
    } else {
        return 99;
    }
}

void QInputDialog::setIntRange(int min, int max)
{
    Q_D(QInputDialog);
    d->ensureIntSpinBox();
    d->intSpinBox->setRange(min, max);
}

void QInputDialog::setIntStep(int step)
{
    Q_D(QInputDialog);
    d->ensureIntSpinBox();
    d->intSpinBox->setSingleStep(step);
}

int QInputDialog::intStep() const
{
    Q_D(const QInputDialog);
    if (d->intSpinBox) {
        return d->intSpinBox->singleStep();
    } else {
        return 1;
    }
}

void QInputDialog::setDoubleValue(double value)
{
    Q_D(QInputDialog);
    setInputMode(DoubleInput);
    d->doubleSpinBox->setValue(value);
}

double QInputDialog::doubleValue() const
{
    Q_D(const QInputDialog);
    if (d->doubleSpinBox) {
        return d->doubleSpinBox->value();
    } else {
        return 0.0;
    }
}

void QInputDialog::setDoubleMinimum(double min)
{
    Q_D(QInputDialog);
    d->ensureDoubleSpinBox();
    d->doubleSpinBox->setMinimum(min);
}

double QInputDialog::doubleMinimum() const
{
    Q_D(const QInputDialog);
    if (d->doubleSpinBox) {
        return d->doubleSpinBox->minimum();
    } else {
        return 0.0;
    }
}

void QInputDialog::setDoubleMaximum(double max)
{
    Q_D(QInputDialog);
    d->ensureDoubleSpinBox();
    d->doubleSpinBox->setMaximum(max);
}

double QInputDialog::doubleMaximum() const
{
    Q_D(const QInputDialog);
    if (d->doubleSpinBox) {
        return d->doubleSpinBox->maximum();
    } else {
        return 99.99;
    }
}

void QInputDialog::setDoubleRange(double min, double max)
{
    Q_D(QInputDialog);
    d->ensureDoubleSpinBox();
    d->doubleSpinBox->setRange(min, max);
}

void QInputDialog::setDoubleDecimals(int decimals)
{
    Q_D(QInputDialog);
    d->ensureDoubleSpinBox();
    d->doubleSpinBox->setDecimals(decimals);
}

int QInputDialog::doubleDecimals() const
{
    Q_D(const QInputDialog);
    if (d->doubleSpinBox) {
        return d->doubleSpinBox->decimals();
    } else {
        return 2;
    }
}

void QInputDialog::setOkButtonText(const QString &text)
{
    Q_D(const QInputDialog);
    d->ensureLayout();
    d->buttonBox->button(QDialogButtonBox::Ok)->setText(text);
}

QString QInputDialog::okButtonText() const
{
    Q_D(const QInputDialog);
    d->ensureLayout();
    return d->buttonBox->button(QDialogButtonBox::Ok)->text();
}

void QInputDialog::setCancelButtonText(const QString &text)
{
    Q_D(const QInputDialog);
    d->ensureLayout();
    d->buttonBox->button(QDialogButtonBox::Cancel)->setText(text);
}

QString QInputDialog::cancelButtonText() const
{
    Q_D(const QInputDialog);
    d->ensureLayout();
    return d->buttonBox->button(QDialogButtonBox::Cancel)->text();
}

void QInputDialog::open(QObject *receiver, const char *member)
{
    Q_D(QInputDialog);
    connect(this, signalForMember(member), receiver, member);
    d->receiverToDisconnectOnClose = receiver;
    d->memberToDisconnectOnClose = member;
    QDialog::open();
}

QSize QInputDialog::minimumSizeHint() const
{
    Q_D(const QInputDialog);
    d->ensureLayout();
    return QDialog::minimumSizeHint();
}

QSize QInputDialog::sizeHint() const
{
    Q_D(const QInputDialog);
    d->ensureLayout();
    return QDialog::sizeHint();
}

void QInputDialog::setVisible(bool visible)
{
    Q_D(const QInputDialog);
    if (visible) {
        d->ensureLayout();
        d->inputWidget->setFocus();
        if (d->inputWidget == d->lineEdit) {
            d->lineEdit->selectAll();
        } else if (d->inputWidget == d->intSpinBox) {
            d->intSpinBox->selectAll();
        } else if (d->inputWidget == d->doubleSpinBox) {
            d->doubleSpinBox->selectAll();
        }
    }
    QDialog::setVisible(visible);
}

void QInputDialog::done(int result)
{
    Q_D(QInputDialog);
    QDialog::done(result);
    if (result) {
        InputMode mode = inputMode();
        switch (mode) {
        case DoubleInput:
            emit doubleValueSelected(doubleValue());
            break;
        case IntInput:
            emit intValueSelected(intValue());
            break;
        default:
            Q_ASSERT(mode == TextInput);
            emit textValueSelected(textValue());
        }
    }
    if (d->receiverToDisconnectOnClose) {
        disconnect(this, signalForMember(d->memberToDisconnectOnClose),
                   d->receiverToDisconnectOnClose, d->memberToDisconnectOnClose);
        d->receiverToDisconnectOnClose = 0;
    }
    d->memberToDisconnectOnClose.clear();
}

QString QInputDialog::getText(QWidget *parent, const QString &title, const QString &label,
                              QLineEdit::EchoMode mode, const QString &text, bool *ok,
                              Qt::WindowFlags flags, Qt::InputMethodHints inputMethodHints)
{
    QInputDialog dialog(parent, flags);
    dialog.setWindowTitle(title);
    dialog.setLabelText(label);
    dialog.setTextValue(text);
    dialog.setTextEchoMode(mode);
    dialog.setInputMethodHints(inputMethodHints);

    int ret = dialog.exec();
    if (ok)
        *ok = !!ret;
    if (ret) {
        return dialog.textValue();
    } else {
        return QString();
    }
}

// ### Qt 5: Use only the version above.
QString QInputDialog::getText(QWidget *parent, const QString &title, const QString &label,
                              QLineEdit::EchoMode mode, const QString &text, bool *ok,
                              Qt::WindowFlags flags)
{
    return getText(parent, title, label, mode, text, ok, flags, Qt::ImhNone);
}

int QInputDialog::getInt(QWidget *parent, const QString &title, const QString &label, int value,
                         int min, int max, int step, bool *ok, Qt::WindowFlags flags)
{
    QInputDialog dialog(parent, flags);
    dialog.setWindowTitle(title);
    dialog.setLabelText(label);
    dialog.setIntRange(min, max);
    dialog.setIntValue(value);
    dialog.setIntStep(step);

    int ret = dialog.exec();
    if (ok)
        *ok = !!ret;
    if (ret) {
        return dialog.intValue();
    } else {
        return value;
    }
}

double QInputDialog::getDouble(QWidget *parent, const QString &title, const QString &label,
                               double value, double min, double max, int decimals, bool *ok,
                               Qt::WindowFlags flags)
{
    QInputDialog dialog(parent, flags);
    dialog.setWindowTitle(title);
    dialog.setLabelText(label);
    dialog.setDoubleDecimals(decimals);
    dialog.setDoubleRange(min, max);
    dialog.setDoubleValue(value);

    int ret = dialog.exec();
    if (ok)
        *ok = !!ret;
    if (ret) {
        return dialog.doubleValue();
    } else {
        return value;
    }
}

QString QInputDialog::getItem(QWidget *parent, const QString &title, const QString &label,
                              const QStringList &items, int current, bool editable, bool *ok,
                              Qt::WindowFlags flags, Qt::InputMethodHints inputMethodHints)
{
    QString text(items.value(current));

    QInputDialog dialog(parent, flags);
    dialog.setWindowTitle(title);
    dialog.setLabelText(label);
    dialog.setComboBoxItems(items);
    dialog.setTextValue(text);
    dialog.setComboBoxEditable(editable);
    dialog.setInputMethodHints(inputMethodHints);

    int ret = dialog.exec();
    if (ok)
        *ok = !!ret;
    if (ret) {
        return dialog.textValue();
    } else {
        return text;
    }
}

// ### Qt 5: Use only the version above.
QString QInputDialog::getItem(QWidget *parent, const QString &title, const QString &label,
                              const QStringList &items, int current, bool editable, bool *ok,
                              Qt::WindowFlags flags)
{
    return getItem(parent, title, label, items, current, editable, ok, flags, Qt::ImhNone);
}

int QInputDialog::getInteger(QWidget *parent, const QString &title, const QString &label,
                             int value, int min, int max, int step, bool *ok,
                             Qt::WindowFlags flags)
{
    return getInt(parent, title, label, value, min, max, step, ok, flags);
}

QT_END_NAMESPACE

#include "moc_qinputdialog.cpp"

#endif // QT_NO_INPUTDIALOG