qtpropertymanager.cpp

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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
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****************************************************************************/

#include "MantidQtWidgets/Common/QtPropertyBrowser/qtpropertymanager.h"
#include "MantidQtWidgets/Common/QtPropertyBrowser/qtpropertybrowserutils_p.h"
#include <QtCore/QDateTime>
#include <QtCore/QLocale>
#include <QtCore/QMap>
#include <QtCore/QTimer>
#include <QtGui/QIcon>
#include <QtCore/QMetaEnum>
#include <QtGui/QFontDatabase>
#include <QtGui/QStyleOption>
#include <QtGui/QStyle>
#include <QtGui/QApplication>
#include <QtGui/QPainter>
#include <QtGui/QLabel>

#include <cfloat>
#include <climits>
#include <cmath>

#if defined(Q_CC_MSVC)
#pragma warning(                                                               \
    disable : 4786) /* MS VS 6: truncating debug info after 255 characters */
#endif

#if QT_VERSION >= 0x040400
QT_BEGIN_NAMESPACE
#endif

template <class PrivateData, class Value>
static void setSimpleMinimumData(PrivateData *data, const Value &minVal) {
  data->minVal = minVal;
  if (data->maxVal < data->minVal)
    data->maxVal = data->minVal;

  if (data->val < data->minVal)
    data->val = data->minVal;
}

template <class PrivateData, class Value>
static void setSimpleMaximumData(PrivateData *data, const Value &maxVal) {
  data->maxVal = maxVal;
  if (data->minVal > data->maxVal)
    data->minVal = data->maxVal;

  if (data->val > data->maxVal)
    data->val = data->maxVal;
}

template <class PrivateData, class Value>
static void setSizeMinimumData(PrivateData *data, const Value &newMinVal) {
  data->minVal = newMinVal;
  if (data->maxVal.width() < data->minVal.width())
    data->maxVal.setWidth(data->minVal.width());
  if (data->maxVal.height() < data->minVal.height())
    data->maxVal.setHeight(data->minVal.height());

  if (data->val.width() < data->minVal.width())
    data->val.setWidth(data->minVal.width());
  if (data->val.height() < data->minVal.height())
    data->val.setHeight(data->minVal.height());
}

template <class PrivateData, class Value>
static void setSizeMaximumData(PrivateData *data, const Value &newMaxVal) {
  data->maxVal = newMaxVal;
  if (data->minVal.width() > data->maxVal.width())
    data->minVal.setWidth(data->maxVal.width());
  if (data->minVal.height() > data->maxVal.height())
    data->minVal.setHeight(data->maxVal.height());

  if (data->val.width() > data->maxVal.width())
    data->val.setWidth(data->maxVal.width());
  if (data->val.height() > data->maxVal.height())
    data->val.setHeight(data->maxVal.height());
}

template <class SizeValue>
static SizeValue qBoundSize(const SizeValue &minVal, const SizeValue &val,
                            const SizeValue &maxVal) {
  SizeValue croppedVal = val;
  if (minVal.width() > val.width())
    croppedVal.setWidth(minVal.width());
  else if (maxVal.width() < val.width())
    croppedVal.setWidth(maxVal.width());

  if (minVal.height() > val.height())
    croppedVal.setHeight(minVal.height());
  else if (maxVal.height() < val.height())
    croppedVal.setHeight(maxVal.height());

  return croppedVal;
}

// Match the exact signature of qBound for VS 6.
QSize qBound(QSize minVal, QSize val, QSize maxVal) {
  return qBoundSize(minVal, val, maxVal);
}

QSizeF qBound(QSizeF minVal, QSizeF val, QSizeF maxVal) {
  return qBoundSize(minVal, val, maxVal);
}

namespace {

namespace {
template <class Value> void orderBorders(Value &minVal, Value &maxVal) {
  if (minVal > maxVal)
    qSwap(minVal, maxVal);
}

template <class Value>
static void orderSizeBorders(Value &minVal, Value &maxVal) {
  Value fromSize = minVal;