Add a digit delegate to toggle table base display

1 files changed, 57 insertions, 0 deletions

diff --git a/gui/digitlabeldelegate.cc b/gui/digitlabeldelegate.cc
new file mode 100644
index 0000000..641b5a0
--- /dev/null
+++ b/gui/digitlabeldelegate.cc
@@ -0,0 +1,57 @@
+// Simulator for the RISC-V[ECTOR] mini-ISA
+// Copyright (C) 2025 Siddarth Suresh
+// Copyright (C) 2025 bdunahu
+
+// 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, either version 3 of the License, or
+// (at your option) any later version.
+
+// 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/>.
+
+#include "digitlabeldelegate.h"
+#include "digitlabelhelper.h"
+#include <QString>
+
+DigitLabelDelegate::DigitLabelDelegate(QObject *parent)
+	: QStyledItemDelegate(parent)
+{
+	;
+}
+
+void DigitLabelDelegate::set_hex_display(bool hex)
+{
+	if (this->is_hex != hex) {
+		this->is_hex = hex;
+		if (auto v = qobject_cast<QAbstractItemView *>(parent()))
+			v->viewport()->update();
+	}
+}
+
+void DigitLabelDelegate::paint(
+	QPainter *painter,
+	const QStyleOptionViewItem &option,
+	const QModelIndex &index) const
+{
+	int v;
+	QString t;
+	QStyleOptionViewItem o;
+	QStyle *s;
+
+	v = index.data(Qt::DisplayRole).toInt();
+	t = DigitLabelHelper::format_value(v, this->is_hex);
+
+	o = option;
+	initStyleOption(&o, index);
+	o.text = t;
+
+	const QWidget *w = option.widget;
+	s = w ? w->style() : QApplication::style();
+	s->drawControl(QStyle::CE_ItemViewItem, &o, painter, w);
+}