Add a digit delegate to toggle table base display

3 files changed, 114 insertions, 2 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);
+}
diff --git a/gui/digitlabeldelegate.h b/gui/digitlabeldelegate.h
new file mode 100644
index 0000000..a823154
--- /dev/null
+++ b/gui/digitlabeldelegate.h
@@ -0,0 +1,47 @@
+// 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/>.
+
+#ifndef DIGITLABELDELEGATE_H
+#define DIGITLABELDELEGATE_H
+
+#include <QAbstractItemView>
+#include <QApplication>
+#include <QPainter>
+#include <QString>
+#include <QStyleOptionViewItem>
+#include <QStyledItemDelegate>
+
+class DigitLabelDelegate : public QStyledItemDelegate
+{
+	Q_OBJECT
+
+  public:
+	explicit DigitLabelDelegate(QObject *parent = nullptr);
+
+  public slots:
+	void set_hex_display(bool hex);
+
+  private:
+	bool is_hex = true;
+
+	void paint(
+		QPainter *painter,
+		const QStyleOptionViewItem &option,
+		const QModelIndex &index) const override;
+};
+
+#endif // DIGITLABELDELEGATE_H
diff --git a/gui/gui.cc b/gui/gui.cc
index ecdf9d3..80d4a2a 100644
--- a/gui/gui.cc
+++ b/gui/gui.cc
@@ -17,6 +17,7 @@
 
 #include "gui.h"
 #include "./ui_gui.h"
+#include "digitlabeldelegate.h"
 #include "dynamicwaysentry.h"
 #include "messages.h"
 #include "storageview.h"
@@ -57,7 +58,6 @@ GUI::GUI(QWidget *parent) : QMainWindow(parent), ui(new Ui::GUI)
 	for (DigitLabel *label : labels) {
 		connect(this, &GUI::hex_toggled, label, &DigitLabel::on_hex_toggle);
 	}
-	emit this->hex_toggled(this->is_hex);
 
 	// display clock cycles and PC
 	connect(worker, &Worker::clock_cycles, this, &GUI::on_worker_refresh_gui);
@@ -345,6 +345,7 @@ void GUI::make_tabs(int num)
 	StorageView *e;
 	QTableView *t;
 	QString n;
+	DigitLabelDelegate *d;
 
 	ui->storage->clear();
 
@@ -361,11 +362,18 @@ void GUI::make_tabs(int num)
 			e = new StorageView(MEM_LINES, this);
 		} else {
 			n = QString("L%1").arg(i - 1);
-			e = new StorageView(cache_size_mapper(this->curr_cache_levels, i), this);
+			e = new StorageView(
+				cache_size_mapper(this->curr_cache_levels, i), this);
 		}
 
 		t = new QTableView;
 		t->setModel(e);
+		d = new DigitLabelDelegate(t);
+
+		connect(
+			this, &GUI::hex_toggled, d, &DigitLabelDelegate::set_hex_display);
+
+		t->setItemDelegate(d);
 		t->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
 
 		ui->storage->addTab(t, n);