qpropertyeditor_items.cpp

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    }
}

// QtKeqSequenceEdit

class QtKeySequenceEdit : public QWidget
{
    Q_OBJECT
public:
    QtKeySequenceEdit(QWidget *parent = 0);

    QKeySequence keySequence() const;
    bool eventFilter(QObject *o, QEvent *e);
public Q_SLOTS:
    void setKeySequence(const QKeySequence &sequence);
Q_SIGNALS:
    void keySequenceChanged(const QKeySequence &sequence);
protected:
    void focusInEvent(QFocusEvent *e);
    void focusOutEvent(QFocusEvent *e);
    void keyPressEvent(QKeyEvent *e);
    void keyReleaseEvent(QKeyEvent *e);
    bool event(QEvent *e);
private slots:
    void slotClearShortcut();
private:
    void handleKeyEvent(QKeyEvent *e);
    int translateModifiers(Qt::KeyboardModifiers state) const;

    int m_num;
    QKeySequence m_keySequence;
    QLineEdit *m_lineEdit;
};

bool QtKeySequenceEdit::event(QEvent *e)
{
    if (e->type() == QEvent::Shortcut ||
            e->type() == QEvent::ShortcutOverride  ||
            e->type() == QEvent::KeyRelease) {
        e->accept();
        return true;
    }
    return QWidget::event(e);
}

QtKeySequenceEdit::QtKeySequenceEdit(QWidget *parent)
    : QWidget(parent), m_num(0)
{
    m_lineEdit = new QLineEdit(this);
    QHBoxLayout *layout = new QHBoxLayout(this);
    layout->addWidget(m_lineEdit);
    layout->setMargin(0);
    m_lineEdit->installEventFilter(this);
    m_lineEdit->setReadOnly(true);
    m_lineEdit->setFocusProxy(this);
    setFocusPolicy(m_lineEdit->focusPolicy());
    setAttribute(Qt::WA_InputMethodEnabled);
}

bool QtKeySequenceEdit::eventFilter(QObject *o, QEvent *e)
{
    if (o == m_lineEdit && e->type() == QEvent::ContextMenu) {
        QContextMenuEvent *c = static_cast<QContextMenuEvent *>(e);
        QMenu *menu = m_lineEdit->createStandardContextMenu();
        QList<QAction *> actions = menu->actions();
        QListIterator<QAction *> itAction(actions);
        while (itAction.hasNext()) {
            QAction *action = itAction.next();
            action->setShortcut(QKeySequence());
            QString actionString = action->text();
            int pos = actionString.lastIndexOf("\t");
            if (pos > 0) {
                actionString = actionString.mid(0, pos);
            }
            action->setText(actionString);
        }
        QAction *actionBefore = 0;
        if (actions.count() > 0)
            actionBefore = actions[0];
        QAction *clearAction = new QAction(tr("Clear Shortcut"), menu);
        menu->insertAction(actionBefore, clearAction);
        menu->insertSeparator(actionBefore);
        clearAction->setEnabled(!m_keySequence.isEmpty());
        connect(clearAction, SIGNAL(triggered()), this, SLOT(slotClearShortcut()));
        menu->exec(c->globalPos());
        delete menu;
        e->accept();
        return true;
    }

    return QWidget::eventFilter(o, e);
}

void QtKeySequenceEdit::slotClearShortcut()
{
    setKeySequence(QKeySequence());
}

void QtKeySequenceEdit::handleKeyEvent(QKeyEvent *e)
{
    int nextKey = e->key();
    if (nextKey == Qt::Key_Control || nextKey == Qt::Key_Shift ||
            nextKey == Qt::Key_Meta || nextKey == Qt::Key_Alt || nextKey == Qt::Key_Super_L)
        return;

    nextKey |= translateModifiers(e->modifiers());
    int k0 = m_keySequence[0];
    int k1 = m_keySequence[1];
    int k2 = m_keySequence[2];
    int k3 = m_keySequence[3];
    switch (m_num) {
        case 0: k0 = nextKey; k1 = 0; k2 = 0; k3 = 0; break;
        case 1: k1 = nextKey; k2 = 0; k3 = 0; break;
        case 2: k2 = nextKey; k3 = 0; break;
        case 3: k3 = nextKey; break;
        default: break;
    }
    ++m_num;
    if (m_num > 3)
        m_num = 0;
    m_keySequence = QKeySequence(k0, k1, k2, k3);
    m_lineEdit->setText(m_keySequence.toString(QKeySequence::NativeText));
    e->accept();
    emit keySequenceChanged(m_keySequence);
}

void QtKeySequenceEdit::setKeySequence(const QKeySequence &sequence)
{
    if (sequence == m_keySequence)
        return;
    m_num = 0;
    m_keySequence = sequence;
    m_lineEdit->setText(m_keySequence.toString(QKeySequence::NativeText));
}

QKeySequence QtKeySequenceEdit::keySequence() const
{
    return m_keySequence;
}

int QtKeySequenceEdit::translateModifiers(Qt::KeyboardModifiers state) const
{
    int result = 0;
    if (state & Qt::ShiftModifier)
        result |= Qt::SHIFT;
    if (state & Qt::ControlModifier)
        result |= Qt::CTRL;
    if (state & Qt::MetaModifier)
        result |= Qt::META;
    if (state & Qt::AltModifier)
        result |= Qt::ALT;
    return result;
}

void QtKeySequenceEdit::focusInEvent(QFocusEvent *e)
{
    m_lineEdit->event(e);
    m_lineEdit->selectAll();
    QWidget::focusInEvent(e);
}

void QtKeySequenceEdit::focusOutEvent(QFocusEvent *e)
{
    m_num = 0;
    m_lineEdit->event(e);
    QWidget::focusOutEvent(e);
}

void QtKeySequenceEdit::keyPressEvent(QKeyEvent *e)
{
    handleKeyEvent(e);
    e->accept();
}

void QtKeySequenceEdit::keyReleaseEvent(QKeyEvent *e)
{
    m_lineEdit->event(e);
}



// -------------------------------------------------------------------------
KeySequenceProperty::KeySequenceProperty(const QKeySequence &value, const QString &name)
    : AbstractProperty<QKeySequence>(value, name)
{
}

void KeySequenceProperty::setValue(const QVariant &value)
{
    m_value = qVariantValue<QKeySequence>(value);
}

QString KeySequenceProperty::toString() const
{
    return m_value.toString(QKeySequence::NativeText);
}

QWidget *KeySequenceProperty::createEditor(QWidget *parent, const QObject *target, const char *receiver) const
{
    QtKeySequenceEdit *keyEdit = new QtKeySequenceEdit(parent);
    QObject::connect(keyEdit, SIGNAL(keySequenceChanged(QKeySequence)), target, receiver);
    return keyEdit;
}

void KeySequenceProperty::updateEditorContents(QWidget *editor)
{
    if (QtKeySequenceEdit *keyEdit = qobject_cast<QtKeySequenceEdit*>(editor)) {
        keyEdit->setKeySequence(m_value);
    }
}

void KeySequenceProperty::updateValue(QWidget *editor)
{
    if (QtKeySequenceEdit *keyEdit = qobject_cast<QtKeySequenceEdit*>(editor)) {
        const QKeySequence newValue = keyEdit->keySequence();

        if (newValue != m_value) {
            m_value = newValue;
            setChanged(true);
        }

    }
}

// -------------------------------------------------------------------------
CursorProperty::CursorProperty(const QCursor &value, const QString &name)
    : AbstractProperty<QCursor>(value, name)
{
}

void CursorProperty::setValue(const QVariant &value)
{
    m_value = qvariant_cast<QCursor>(value);
}

QString CursorProperty::toString() const
{
    return cursorName(m_value.shape());
}

QVariant CursorProperty::decoration() const
{
    return qVariantFromValue(cursorPixmap(m_value.shape()));
}

QWidget *CursorProperty::createEditor(QWidget *parent, const QObject *target, const char *receiver) const
{
    QComboBox *combo = new QComboBox(parent);
    combo->view()->setTextElideMode(Qt::ElideLeft);
    combo->setFrame(0);

    addCursor(combo, Qt::ArrowCursor);
    addCursor(combo, Qt::UpArrowCursor);
    addCursor(combo, Qt::CrossCursor);
    addCursor(combo, Qt::WaitCursor);
    addCursor(combo, Qt::IBeamCursor);
    addCursor(combo, Qt::SizeVerCursor);
    addCursor(combo, Qt::SizeHorCursor);
    addCursor(combo, Qt::SizeBDiagCursor);
    addCursor(combo, Qt::SizeFDiagCursor);
    addCursor(combo, Qt::SizeAllCursor);
    addCursor(combo, Qt::BlankCursor);
    addCursor(combo, Qt::SplitVCursor);
    addCursor(combo, Qt::SplitHCursor);
    addCursor(combo, Qt::PointingHandCursor);
    addCursor(combo, Qt::ForbiddenCursor);
    addCursor(combo, Qt::WhatsThisCursor);
    addCursor(combo, Qt::BusyCursor);
    addCursor(combo, Qt::OpenHandCursor);
    addCursor(combo, Qt::ClosedHandCursor);

    QObject::connect(combo, SIGNAL(activated(int)), target, receiver);

    return combo;
}

void CursorProperty::updateEditorContents(QWidget *editor)
{
    if (QComboBox *combo = qobject_cast<QComboBox*>(editor)) {
        combo->setCurrentIndex(m_value.shape());
    }
}

void CursorProperty::updateValue(QWidget *editor)
{
    if (const QComboBox *combo = qobject_cast<const QComboBox*>(editor)) {
        const QCursor newValue(static_cast<Qt::CursorShape>(combo->currentIndex()));

        if (newValue.shape() != m_value.shape()) {
            m_value = newValue;
            setChanged(true);
        }
    }
}

QString CursorProperty::cursorName(int shape)
{
    switch (shape) {
    case Qt::ArrowCursor: return QString::fromUtf8("Arrow");
    case Qt::UpArrowCursor: return QString::fromUtf8("Up-Arrow");
    case Qt::CrossCursor: return QString::fromUtf8("Cross");
    case Qt::WaitCursor: return QString::fromUtf8("Waiting");
    case Qt::IBeamCursor: return QString::fromUtf8("IBeam");
    case Qt::SizeVerCursor: return QString::fromUtf8("Size Vertical");
    case Qt::SizeHorCursor: return QString::fromUtf8("Size Horizontal");
    case Qt::SizeBDiagCursor: return QString::fromUtf8("Size Slash");
    case Qt::SizeFDiagCursor: return QString::fromUtf8("Size Backslash");
    case Qt::SizeAllCursor: return QString::fromUtf8("Size All");
    case Qt::BlankCursor: return QString::fromUtf8("Blank");
    case Qt::SplitVCursor: return QString::fromUtf8("Split Vertical");
    case Qt::SplitHCursor: return QString::fromUtf8("Split Horizontal");
    case Qt::PointingHandCursor: return QString::fromUtf8("Pointing Hand");
    case Qt::ForbiddenCursor: return QString::fromUtf8("Forbidden");
    case Qt::OpenHandCursor: return QString::fromUtf8("Open Hand");
    case Qt::ClosedHandCursor: return QString::fromUtf8("Closed Hand");
    case Qt::WhatsThisCursor: return QString::fromUtf8("Whats This");
    case Qt::BusyCursor: return QString::fromUtf8("Busy");
    default: return QString();
    }
}

QPixmap CursorProperty::cursorPixmap(int shape)
{
    switch (shape) {
    case Qt::ArrowCursor: return QPixmap(QString::fromUtf8(":/trolltech/formeditor/images/cursors/arrow.png"));
    case Qt::UpArrowCursor: return QPixmap(QString::fromUtf8(":/trolltech/formeditor/images/cursors/uparrow.png"));
    case Qt::CrossCursor: return QPixmap(QString::fromUtf8(":/trolltech/formeditor/images/cursors/cross.png"));
    case Qt::WaitCursor: return QPixmap(QString::fromUtf8(":/trolltech/formeditor/images/cursors/wait.png"));
    case Qt::IBeamCursor: return QPixmap(QString::fromUtf8(":/trolltech/formeditor/images/cursors/ibeam.png"));
    case Qt::SizeVerCursor: return QPixmap(QString::fromUtf8(":/trolltech/formeditor/images/cursors/sizev.png"));
    case Qt::SizeHorCursor: return QPixmap(QString::fromUtf8(":/trolltech/formeditor/images/cursors/sizeh.png"));
    case Qt::SizeBDiagCursor: return QPixmap(QString::fromUtf8(":/trolltech/formeditor/images/cursors/sizef.png"));
    case Qt::SizeFDiagCursor: return QPixmap(QString::fromUtf8(":/trolltech/formeditor/images/cursors/sizeb.png"));
    case Qt::SizeAllCursor: return QPixmap(QString::fromUtf8(":/trolltech/formeditor/images/cursors/sizeall.png"));
    case Qt::BlankCursor:
    {
        QBitmap cur = QBitmap(25, 25);
        cur.clear();
        return cur;
    }
    case Qt::SplitVCursor: return QPixmap(QString::fromUtf8(":/trolltech/formeditor/images/cursors/vsplit.png"));
    case Qt::SplitHCursor: return QPixmap(QString::fromUtf8(":/trolltech/formeditor/images/cursors/hsplit.png"));
    case Qt::PointingHandCursor: return QPixmap(QString::fromUtf8(":/trolltech/formeditor/images/cursors/hand.png"));
    case Qt::ForbiddenCursor: return QPixmap(QString::fromUtf8(":/trolltech/formeditor/images/cursors/no.png"));
    case Qt::OpenHandCursor: return QPixmap(QString::fromUtf8(":/trolltech/formeditor/images/cursors/openhand.png"));
    case Qt::ClosedHandCursor: return QPixmap(QString::fromUtf8(":/trolltech/formeditor/images/cursors/closedhand.png"));
    case Qt::WhatsThisCursor: return QPixmap(QString::fromUtf8(":/trolltech/formeditor/images/cursors/whatsthis.png"));
    case Qt::BusyCursor: return QPixmap(QString::fromUtf8(":/trolltech/formeditor/images/cursors/busy.png"));
    default: return QPixmap();
    }
}

void CursorProperty::addCursor(QComboBox *combo, int shape) const
{
    combo->addItem(cursorPixmap(shape), cursorName(shape), shape);
}

// -------------------------------------------------------------------------
AlignmentProperty::AlignmentProperty(const QMap<QString, QVariant> &items, Qt::Alignment value, const QString &name)
    : AbstractPropertyGroup(name)
{
    QStringList horz_keys = QStringList()
                            << matchStringInKeys(QLatin1String("AlignLeft"), items)
                            << matchStringInKeys(QLatin1String("AlignRight"), items)
                            << matchStringInKeys(QLatin1String("AlignHCenter"), items)
                            << matchStringInKeys(QLatin1String("AlignJustify"), items);
                                                 // << "Qt::AlignAbsolute"

    QMap<QString, QVariant> horz_map;
    foreach (QString h, horz_keys) {
        horz_map.insert(h, items.value(h));
    }

    MapProperty *ph = new MapProperty(horz_map, uint(value & Qt::AlignHorizontal_Mask), QLatin1String("horizontal"));
    ph->setFake(true);
    ph->setParent(this);
    m_properties << ph;


    QStringList vert_keys = QStringList()
                            << matchStringInKeys(QLatin1String("AlignTop"), items)
                            << matchStringInKeys(QLatin1String("AlignBottom"), items)
                            << matchStringInKeys(QLatin1String("AlignVCenter"), items);

    QMap<QString, QVariant> vert_map;
    foreach (QString h, vert_keys) {
        vert_map.insert(h, items.value(h));
    }

    MapProperty *pv = new MapProperty(vert_map, int(value & Qt::AlignVertical_Mask), QLatin1String("vertical"));
    pv->setFake(true);
    pv->setParent(this);
    m_properties << pv;
}

QVariant AlignmentProperty::value() const
{
    return uint(propertyAt(0)->value().toUInt() | propertyAt(1)->value().toUInt());
}

void AlignmentProperty::setValue(const QVariant &value)
{
    QVariant v = value;
    if (qVariantCanConvert<FlagType>(value))
        v = qvariant_cast<FlagType>(value).value;
    else if (qVariantCanConvert<EnumType>(value))
        v = qvariant_cast<EnumType>(value).value;
    propertyAt(0)->setValue(v.toUInt() & Qt::AlignHorizontal_Mask);
    propertyAt(1)->setValue(v.toUInt() & Qt::AlignVertical_Mask);
}

// -------------------------------------------------------------------------
DoubleProperty::DoubleProperty(double value, const QString &name)
    : AbstractProperty<double>(value, name)
{
}

void DoubleProperty::setValue(const QVariant &value)
{
    m_value = value.toDouble();
}

QString DoubleProperty::toString() const
{
    return QString::number(m_value);
}