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/* $Id: QIWidgetValidator.cpp $ */
/** @file
* VBox Qt GUI - Qt extensions: QIWidgetValidator class implementation.
*/
/*
* Copyright (C) 2006-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
/* GUI includes: */
#include "QIWidgetValidator.h"
#include "UISettingsPage.h"
/*********************************************************************************************************************************
* Class QObjectValidator implementation. *
*********************************************************************************************************************************/
QObjectValidator::QObjectValidator(QValidator *pValidator, QObject *pParent /* = 0 */)
: QObject(pParent)
, m_pValidator(pValidator)
, m_enmState(QValidator::Invalid)
{
/* Prepare: */
prepare();
}
void QObjectValidator::sltValidate(QString strInput /* = QString() */)
{
/* Make sure validator assigned: */
AssertPtrReturnVoid(m_pValidator);
/* Validate: */
int iPosition = 0;
const QValidator::State enmState = m_pValidator->validate(strInput, iPosition);
/* If validity state changed: */
if (m_enmState != enmState)
{
/* Update last validity state: */
m_enmState = enmState;
/* Notifies listener(s) about validity change: */
emit sigValidityChange(m_enmState);
}
}
void QObjectValidator::prepare()
{
/* Make sure validator assigned: */
AssertPtrReturnVoid(m_pValidator);
/* Register validator as child: */
m_pValidator->setParent(this);
/* Validate: */
sltValidate();
}
/*********************************************************************************************************************************
* Class QObjectValidatorGroup implementation. *
*********************************************************************************************************************************/
void QObjectValidatorGroup::addObjectValidator(QObjectValidator *pObjectValidator)
{
/* Make sure object-validator passed: */
AssertPtrReturnVoid(pObjectValidator);
/* Register object-validator as child: */
pObjectValidator->setParent(this);
/* Insert object-validator to internal map: */
m_group.insert(pObjectValidator, toResult(pObjectValidator->state()));
/* Attach object-validator to group: */
connect(pObjectValidator, &QObjectValidator::sigValidityChange,
this, &QObjectValidatorGroup::sltValidate);
}
void QObjectValidatorGroup::sltValidate(QValidator::State enmState)
{
/* Determine sender object-validator: */
QObjectValidator *pObjectValidatorSender = qobject_cast<QObjectValidator*>(sender());
/* Make sure that is one of our senders: */
AssertReturnVoid(pObjectValidatorSender && m_group.contains(pObjectValidatorSender));
/* Update internal map: */
m_group[pObjectValidatorSender] = toResult(enmState);
/* Enumerate all the registered object-validators: */
bool fResult = true;
foreach (QObjectValidator *pObjectValidator, m_group.keys())
if (!toResult(pObjectValidator->state()))
{
fResult = false;
break;
}
/* If validity state changed: */
if (m_fResult != fResult)
{
/* Update last validity state: */
m_fResult = fResult;
/* Notifies listener(s) about validity change: */
emit sigValidityChange(m_fResult);
}
}
/* static */
bool QObjectValidatorGroup::toResult(QValidator::State enmState)
{
return enmState == QValidator::Acceptable;
}
/*********************************************************************************************************************************
* Class UIPageValidator implementation. *
*********************************************************************************************************************************/
QPixmap UIPageValidator::warningPixmap() const
{
return m_pPage->warningPixmap();
}
QString UIPageValidator::internalName() const
{
return m_pPage->internalName();
}
void UIPageValidator::setLastMessage(const QString &strLastMessage)
{
/* Remember new message: */
m_strLastMessage = strLastMessage;
/* Should we show corresponding warning icon? */
if (m_strLastMessage.isEmpty())
emit sigHideWarningIcon();
else
emit sigShowWarningIcon();
}
void UIPageValidator::revalidate()
{
/* Notify listener(s) about validity change: */
emit sigValidityChanged(this);
}
/*********************************************************************************************************************************
* Class QIULongValidator implementation. *
*********************************************************************************************************************************/
QValidator::State QIULongValidator::validate(QString &strInput, int &iPosition) const
{
Q_UNUSED(iPosition);
/* Get the stripped string: */
QString strStripped = strInput.trimmed();
/* 'Intermediate' for empty string or started from '0x': */
if (strStripped.isEmpty() ||
strStripped.toUpper() == QString("0x").toUpper())
return Intermediate;
/* Convert to ulong: */
bool fOk;
ulong uEntered = strInput.toULong(&fOk, 0);
/* 'Invalid' if failed to convert: */
if (!fOk)
return Invalid;
/* 'Acceptable' if fits the bounds: */
if (uEntered >= m_uBottom && uEntered <= m_uTop)
return Acceptable;
/* 'Invalid' if more than top, 'Intermediate' if less than bottom: */
return uEntered > m_uTop ? Invalid : Intermediate;
}
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