First Commit

pcsx2-qt/Settings/DEV9UiCommon.cpp

@@ -0,0 +1,70 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#include <QtWidgets/QLineEdit>
+
+#include "DEV9UiCommon.h"
+
+#define IP_RANGE_INTER "([0-1]?[0-9]?[0-9]|2[0-4][0-9]|25[0-5]|)"
+#define IP_RANGE_FINAL "([0-1]?[0-9]?[0-9]|2[0-4][0-9]|25[0-5])"
+
+// clang-format off
+const QRegularExpression IPValidator::intermediateRegex{QStringLiteral("^" IP_RANGE_INTER "\\." IP_RANGE_INTER "\\." IP_RANGE_INTER "\\." IP_RANGE_INTER "$")};
+const QRegularExpression IPValidator::finalRegex       {QStringLiteral("^" IP_RANGE_FINAL "\\." IP_RANGE_FINAL "\\." IP_RANGE_FINAL "\\." IP_RANGE_FINAL "$")};
+// clang-format on
+
+IPValidator::IPValidator(QObject* parent, bool allowEmpty)
+	: QValidator(parent)
+	, m_allowEmpty{allowEmpty}
+{
+}
+
+QValidator::State IPValidator::validate(QString& input, int& pos) const
+{
+	if (input.isEmpty())
+		return m_allowEmpty ? Acceptable : Intermediate;
+
+	QRegularExpressionMatch m = finalRegex.match(input, 0, QRegularExpression::NormalMatch);
+	if (m.hasMatch())
+		return Acceptable;
+
+	m = intermediateRegex.match(input, 0, QRegularExpression::PartialPreferCompleteMatch);
+	if (m.hasMatch() || m.hasPartialMatch())
+		return Intermediate;
+	else
+	{
+		pos = input.size();
+		return Invalid;
+	}
+}
+
+IPItemDelegate::IPItemDelegate(QObject* parent)
+	: QStyledItemDelegate(parent)
+{
+}
+
+QWidget* IPItemDelegate::createEditor(QWidget* parent, const QStyleOptionViewItem& option, const QModelIndex& index) const
+{
+	QLineEdit* editor = new QLineEdit(parent);
+	editor->setValidator(new IPValidator());
+	return editor;
+}
+
+void IPItemDelegate::setEditorData(QWidget* editor, const QModelIndex& index) const
+{
+	QString value = index.model()->data(index, Qt::EditRole).toString();
+	QLineEdit* line = static_cast<QLineEdit*>(editor);
+	line->setText(value);
+}
+
+void IPItemDelegate::setModelData(QWidget* editor, QAbstractItemModel* model, const QModelIndex& index) const
+{
+	QLineEdit* line = static_cast<QLineEdit*>(editor);
+	QString value = line->text();
+	model->setData(index, value);
+}
+
+void IPItemDelegate::updateEditorGeometry(QWidget* editor, const QStyleOptionViewItem& option, const QModelIndex& index) const
+{
+	editor->setGeometry(option.rect);
+}