mirror of
https://github.com/crystalidea/qt6windows7.git
synced 2024-11-23 12:07:03 +08:00
378 lines
12 KiB
C++
378 lines
12 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
|
|
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
|
|
|
|
#include "variantdelegate.h"
|
|
|
|
#include <QCheckBox>
|
|
#include <QDateTime>
|
|
#include <QLineEdit>
|
|
#include <QSpinBox>
|
|
#include <QRegularExpressionValidator>
|
|
#include <QTextStream>
|
|
|
|
#include <algorithm>
|
|
|
|
static bool isPrintableChar(char c)
|
|
{
|
|
return uchar(c) >= 32 && uchar(c) < 128;
|
|
}
|
|
|
|
static bool isPrintable(const QByteArray &ba)
|
|
{
|
|
return std::all_of(ba.cbegin(), ba.cend(), isPrintableChar);
|
|
}
|
|
|
|
static QString byteArrayToString(const QByteArray &ba)
|
|
{
|
|
if (isPrintable(ba))
|
|
return QString::fromLatin1(ba);
|
|
QString result;
|
|
for (char c : ba) {
|
|
if (isPrintableChar(c)) {
|
|
if (c == '\\')
|
|
result += QLatin1Char(c);
|
|
result += QLatin1Char(c);
|
|
} else {
|
|
const uint uc = uchar(c);
|
|
result += "\\x";
|
|
if (uc < 16)
|
|
result += '0';
|
|
result += QString::number(uc, 16);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
TypeChecker::TypeChecker()
|
|
{
|
|
boolExp.setPattern("^(true)|(false)$");
|
|
boolExp.setPatternOptions(QRegularExpression::CaseInsensitiveOption);
|
|
Q_ASSERT(boolExp.isValid());
|
|
|
|
byteArrayExp.setPattern(R"RX(^[\x00-\xff]*$)RX");
|
|
charExp.setPattern("^.$");
|
|
Q_ASSERT(charExp.isValid());
|
|
colorExp.setPattern(R"RX(^\(([0-9]*),([0-9]*),([0-9]*),([0-9]*)\)$)RX");
|
|
Q_ASSERT(colorExp.isValid());
|
|
doubleExp.setPattern("");
|
|
pointExp.setPattern(R"RX(^\((-?[0-9]*),(-?[0-9]*)\)$)RX");
|
|
Q_ASSERT(pointExp.isValid());
|
|
rectExp.setPattern(R"RX(^\((-?[0-9]*),(-?[0-9]*),(-?[0-9]*),(-?[0-9]*)\)$)RX");
|
|
Q_ASSERT(rectExp.isValid());
|
|
signedIntegerExp.setPattern("^-?[0-9]*$");
|
|
Q_ASSERT(signedIntegerExp.isValid());
|
|
sizeExp = pointExp;
|
|
unsignedIntegerExp.setPattern("^[0-9]+$");
|
|
Q_ASSERT(unsignedIntegerExp.isValid());
|
|
|
|
const QString datePattern = "([0-9]{,4})-([0-9]{,2})-([0-9]{,2})";
|
|
dateExp.setPattern('^' + datePattern + '$');
|
|
Q_ASSERT(dateExp.isValid());
|
|
const QString timePattern = "([0-9]{,2}):([0-9]{,2}):([0-9]{,2})";
|
|
timeExp.setPattern('^' + timePattern + '$');
|
|
Q_ASSERT(timeExp.isValid());
|
|
dateTimeExp.setPattern('^' + datePattern + 'T' + timePattern + '$');
|
|
Q_ASSERT(dateTimeExp.isValid());
|
|
}
|
|
|
|
VariantDelegate::VariantDelegate(const QSharedPointer<TypeChecker> &typeChecker,
|
|
QObject *parent)
|
|
: QStyledItemDelegate(parent),
|
|
m_typeChecker(typeChecker)
|
|
{
|
|
}
|
|
|
|
void VariantDelegate::paint(QPainter *painter,
|
|
const QStyleOptionViewItem &option,
|
|
const QModelIndex &index) const
|
|
{
|
|
if (index.column() == 2) {
|
|
QVariant value = index.model()->data(index, Qt::UserRole);
|
|
if (!isSupportedType(value.userType())) {
|
|
QStyleOptionViewItem myOption = option;
|
|
myOption.state &= ~QStyle::State_Enabled;
|
|
QStyledItemDelegate::paint(painter, myOption, index);
|
|
return;
|
|
}
|
|
}
|
|
|
|
QStyledItemDelegate::paint(painter, option, index);
|
|
}
|
|
|
|
QWidget *VariantDelegate::createEditor(QWidget *parent,
|
|
const QStyleOptionViewItem & /* option */,
|
|
const QModelIndex &index) const
|
|
{
|
|
if (index.column() != 2)
|
|
return nullptr;
|
|
|
|
QVariant originalValue = index.model()->data(index, Qt::UserRole);
|
|
if (!isSupportedType(originalValue.userType()))
|
|
return nullptr;
|
|
|
|
switch (originalValue.userType()) {
|
|
case QMetaType::Bool:
|
|
return new QCheckBox(parent);
|
|
break;
|
|
case QMetaType::Int:
|
|
case QMetaType::LongLong: {
|
|
auto spinBox = new QSpinBox(parent);
|
|
spinBox->setRange(-32767, 32767);
|
|
return spinBox;
|
|
}
|
|
case QMetaType::UInt:
|
|
case QMetaType::ULongLong: {
|
|
auto spinBox = new QSpinBox(parent);
|
|
spinBox->setRange(0, 63335);
|
|
return spinBox;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
|
|
QLineEdit *lineEdit = new QLineEdit(parent);
|
|
lineEdit->setFrame(false);
|
|
|
|
QRegularExpression regExp;
|
|
|
|
switch (originalValue.userType()) {
|
|
case QMetaType::Bool:
|
|
regExp = m_typeChecker->boolExp;
|
|
break;
|
|
case QMetaType::QByteArray:
|
|
regExp = m_typeChecker->byteArrayExp;
|
|
break;
|
|
case QMetaType::QChar:
|
|
regExp = m_typeChecker->charExp;
|
|
break;
|
|
case QMetaType::QColor:
|
|
regExp = m_typeChecker->colorExp;
|
|
break;
|
|
case QMetaType::QDate:
|
|
regExp = m_typeChecker->dateExp;
|
|
break;
|
|
case QMetaType::QDateTime:
|
|
regExp = m_typeChecker->dateTimeExp;
|
|
break;
|
|
case QMetaType::Double:
|
|
regExp = m_typeChecker->doubleExp;
|
|
break;
|
|
case QMetaType::Int:
|
|
case QMetaType::LongLong:
|
|
regExp = m_typeChecker->signedIntegerExp;
|
|
break;
|
|
case QMetaType::QPoint:
|
|
regExp = m_typeChecker->pointExp;
|
|
break;
|
|
case QMetaType::QRect:
|
|
regExp = m_typeChecker->rectExp;
|
|
break;
|
|
case QMetaType::QSize:
|
|
regExp = m_typeChecker->sizeExp;
|
|
break;
|
|
case QMetaType::QTime:
|
|
regExp = m_typeChecker->timeExp;
|
|
break;
|
|
case QMetaType::UInt:
|
|
case QMetaType::ULongLong:
|
|
regExp = m_typeChecker->unsignedIntegerExp;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (regExp.isValid()) {
|
|
QValidator *validator = new QRegularExpressionValidator(regExp, lineEdit);
|
|
lineEdit->setValidator(validator);
|
|
}
|
|
|
|
return lineEdit;
|
|
}
|
|
|
|
void VariantDelegate::setEditorData(QWidget *editor,
|
|
const QModelIndex &index) const
|
|
{
|
|
QVariant value = index.model()->data(index, Qt::UserRole);
|
|
if (auto spinBox = qobject_cast<QSpinBox *>(editor)) {
|
|
const auto userType = value.userType();
|
|
if (userType == QMetaType::UInt || userType == QMetaType::ULongLong)
|
|
spinBox->setValue(value.toUInt());
|
|
else
|
|
spinBox->setValue(value.toInt());
|
|
} else if (auto checkBox = qobject_cast<QCheckBox *>(editor)) {
|
|
checkBox->setChecked(value.toBool());
|
|
} else if (QLineEdit *lineEdit = qobject_cast<QLineEdit *>(editor)) {
|
|
if (value.userType() == QMetaType::QByteArray
|
|
&& !isPrintable(value.toByteArray())) {
|
|
lineEdit->setReadOnly(true);
|
|
}
|
|
lineEdit->setText(displayText(value));
|
|
}
|
|
}
|
|
|
|
void VariantDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
|
|
const QModelIndex &index) const
|
|
{
|
|
const QVariant originalValue = index.model()->data(index, Qt::UserRole);
|
|
QVariant value;
|
|
|
|
if (auto spinBox = qobject_cast<QSpinBox *>(editor)) {
|
|
value.setValue(spinBox->value());
|
|
} else if (auto checkBox = qobject_cast<QCheckBox *>(editor)) {
|
|
value.setValue(checkBox->isChecked());
|
|
} else if (QLineEdit *lineEdit = qobject_cast<QLineEdit *>(editor)) {
|
|
if (!lineEdit->isModified())
|
|
return;
|
|
|
|
QString text = lineEdit->text();
|
|
const QValidator *validator = lineEdit->validator();
|
|
if (validator) {
|
|
int pos;
|
|
if (validator->validate(text, pos) != QValidator::Acceptable)
|
|
return;
|
|
}
|
|
|
|
QRegularExpressionMatch match;
|
|
|
|
switch (originalValue.userType()) {
|
|
case QMetaType::QChar:
|
|
value = text.at(0);
|
|
break;
|
|
case QMetaType::QColor:
|
|
match = m_typeChecker->colorExp.match(text);
|
|
value = QColor(qMin(match.captured(1).toInt(), 255),
|
|
qMin(match.captured(2).toInt(), 255),
|
|
qMin(match.captured(3).toInt(), 255),
|
|
qMin(match.captured(4).toInt(), 255));
|
|
break;
|
|
case QMetaType::QDate:
|
|
{
|
|
QDate date = QDate::fromString(text, Qt::ISODate);
|
|
if (!date.isValid())
|
|
return;
|
|
value = date;
|
|
}
|
|
break;
|
|
case QMetaType::QDateTime:
|
|
{
|
|
QDateTime dateTime = QDateTime::fromString(text, Qt::ISODate);
|
|
if (!dateTime.isValid())
|
|
return;
|
|
value = dateTime;
|
|
}
|
|
break;
|
|
case QMetaType::QPoint:
|
|
match = m_typeChecker->pointExp.match(text);
|
|
value = QPoint(match.captured(1).toInt(), match.captured(2).toInt());
|
|
break;
|
|
case QMetaType::QRect:
|
|
match = m_typeChecker->rectExp.match(text);
|
|
value = QRect(match.captured(1).toInt(), match.captured(2).toInt(),
|
|
match.captured(3).toInt(), match.captured(4).toInt());
|
|
break;
|
|
case QMetaType::QSize:
|
|
match = m_typeChecker->sizeExp.match(text);
|
|
value = QSize(match.captured(1).toInt(), match.captured(2).toInt());
|
|
break;
|
|
case QMetaType::QStringList:
|
|
value = text.split(',');
|
|
break;
|
|
case QMetaType::QTime:
|
|
{
|
|
QTime time = QTime::fromString(text, Qt::ISODate);
|
|
if (!time.isValid())
|
|
return;
|
|
value = time;
|
|
}
|
|
break;
|
|
default:
|
|
value = text;
|
|
value.convert(originalValue.metaType());
|
|
}
|
|
}
|
|
|
|
model->setData(index, displayText(value), Qt::DisplayRole);
|
|
model->setData(index, value, Qt::UserRole);
|
|
}
|
|
|
|
bool VariantDelegate::isSupportedType(int type)
|
|
{
|
|
switch (type) {
|
|
case QMetaType::Bool:
|
|
case QMetaType::QByteArray:
|
|
case QMetaType::QChar:
|
|
case QMetaType::QColor:
|
|
case QMetaType::QDate:
|
|
case QMetaType::QDateTime:
|
|
case QMetaType::Double:
|
|
case QMetaType::Int:
|
|
case QMetaType::LongLong:
|
|
case QMetaType::QPoint:
|
|
case QMetaType::QRect:
|
|
case QMetaType::QSize:
|
|
case QMetaType::QString:
|
|
case QMetaType::QStringList:
|
|
case QMetaType::QTime:
|
|
case QMetaType::UInt:
|
|
case QMetaType::ULongLong:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
QString VariantDelegate::displayText(const QVariant &value)
|
|
{
|
|
switch (value.userType()) {
|
|
case QMetaType::Bool:
|
|
return value.toBool() ? "✓" : "☐";
|
|
case QMetaType::QByteArray:
|
|
return byteArrayToString(value.toByteArray());
|
|
case QMetaType::QChar:
|
|
case QMetaType::Double:
|
|
case QMetaType::Int:
|
|
case QMetaType::LongLong:
|
|
case QMetaType::QString:
|
|
case QMetaType::UInt:
|
|
case QMetaType::ULongLong:
|
|
return value.toString();
|
|
case QMetaType::QColor:
|
|
{
|
|
QColor color = qvariant_cast<QColor>(value);
|
|
return QString("(%1,%2,%3,%4)")
|
|
.arg(color.red()).arg(color.green())
|
|
.arg(color.blue()).arg(color.alpha());
|
|
}
|
|
case QMetaType::QDate:
|
|
return value.toDate().toString(Qt::ISODate);
|
|
case QMetaType::QDateTime:
|
|
return value.toDateTime().toString(Qt::ISODate);
|
|
case QMetaType::UnknownType:
|
|
return "<Invalid>";
|
|
case QMetaType::QPoint:
|
|
{
|
|
QPoint point = value.toPoint();
|
|
return QString("(%1,%2)").arg(point.x()).arg(point.y());
|
|
}
|
|
case QMetaType::QRect:
|
|
{
|
|
QRect rect = value.toRect();
|
|
return QString("(%1,%2,%3,%4)")
|
|
.arg(rect.x()).arg(rect.y())
|
|
.arg(rect.width()).arg(rect.height());
|
|
}
|
|
case QMetaType::QSize:
|
|
{
|
|
QSize size = value.toSize();
|
|
return QString("(%1,%2)").arg(size.width()).arg(size.height());
|
|
}
|
|
case QMetaType::QStringList:
|
|
return value.toStringList().join(',');
|
|
case QMetaType::QTime:
|
|
return value.toTime().toString(Qt::ISODate);
|
|
default:
|
|
break;
|
|
}
|
|
return QString("<%1>").arg(value.typeName());
|
|
}
|