Add files for new RegisterView class

5 files changed, 116 insertions, 8 deletions

diff --git a/gui/gui.cc b/gui/gui.cc
index b4feda6..4d558d4 100644
--- a/gui/gui.cc
+++ b/gui/gui.cc
@@ -21,6 +21,7 @@
 #include "dynamicwaysentry.h"
 #include "messages.h"
 #include "storageview.h"
+#include "registerview.h"
 #include "util.h"
 #include <QHeaderView>
 #include <QPixmap>
@@ -355,14 +356,15 @@ void GUI::make_tabs(int num)
 	for (i = 0; i < num; ++i) {
 		if (i == 0) {
 			n = "Registers";
-			e = new StorageView(0, this);
+			e = new RegisterView(GPR_NUM+V_NUM, V_R_LIMIT, this);
 		} else if (i == num - 1) {
 			n = "DRAM";
-			e = new StorageView(MEM_LINES, this);
+			e = new StorageView(MEM_LINES, LINE_SIZE, this);
 		} else {
 			n = QString("L%1").arg(i);
 			e = new StorageView(
 				(1 << cache_size_mapper(this->curr_cache_levels - 1, i - 1)),
+				LINE_SIZE,
 				this);
 		}
 
diff --git a/gui/registerview.cc b/gui/registerview.cc
new file mode 100644
index 0000000..5320afa
--- /dev/null
+++ b/gui/registerview.cc
@@ -0,0 +1,53 @@
+// 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 "registerview.h"
+#include "definitions.h"
+#include "util.h"
+#include <QAbstractTableModel>
+#include <QVector>
+
+QVariant RegisterView::data(const QModelIndex &i, int role) const
+{
+	Qt::Alignment a;
+
+	if (role == Qt::TextAlignmentRole) {
+		a = Qt::AlignRight | Qt::AlignVCenter;
+		return QVariant(static_cast<int>(a));
+	}
+	if (!i.isValid() || role != Qt::DisplayRole)
+		return QVariant();
+	return this->d[i.row()][i.column()];
+}
+
+QVariant RegisterView::headerData(int section, Qt::Orientation o, int role) const
+{
+	Qt::Alignment a;
+
+	if (role == Qt::TextAlignmentRole) {
+		a = Qt::AlignRight | Qt::AlignVCenter;
+		return QVariant(static_cast<int>(a));
+	}
+
+	if (role != Qt::DisplayRole)
+		return QVariant();
+
+	if (o == Qt::Vertical) {
+		return format_toggled_value(section * 4, this->is_hex);
+	}
+	return QVariant();
+}
diff --git a/gui/registerview.h b/gui/registerview.h
new file mode 100644
index 0000000..e4cb940
--- /dev/null
+++ b/gui/registerview.h
@@ -0,0 +1,48 @@
+// 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 REGISTERVIEW_H
+#define REGISTERVIEW_H
+
+#include <QAbstractTableModel>
+#include "storageview.h"
+#include <QVector>
+
+// see https://doc.qt.io/qt-6/qabstracttablemodel.html
+class RegisterView : public StorageView
+{
+	Q_OBJECT
+  public:
+	using StorageView::StorageView;
+
+	/**
+	 * Returns a properly formatted cell, including alignment.This function is
+	 * specific to the implementation details of QAbstractTableModel.
+	 */
+	QVariant
+	data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+
+	/**
+	 * Adds custom formatting options for row and column headers.
+	 */
+	QVariant headerData(
+		int section,
+		Qt::Orientation o,
+		int role = Qt::DisplayRole) const override;
+};
+
+#endif // REGISTERVIEW_H
diff --git a/gui/storageview.cc b/gui/storageview.cc
index 2f444a9..60391f9 100644
--- a/gui/storageview.cc
+++ b/gui/storageview.cc
@@ -21,10 +21,11 @@
 #include <QAbstractTableModel>
 #include <QVector>
 
-StorageView::StorageView(int rows, QObject *parent)
+StorageView::StorageView(int rows, int columns, QObject *parent)
 	: QAbstractTableModel(parent)
 {
 	this->r = rows;
+	this->c = columns;
 	this->d.resize(rows);
 	for (auto &row : this->d)
 		row.resize(LINE_SIZE, 0);
@@ -32,7 +33,7 @@ StorageView::StorageView(int rows, QObject *parent)
 
 int StorageView::rowCount(const QModelIndex &) const { return this->r; }
 
-int StorageView::columnCount(const QModelIndex &) const { return LINE_SIZE; }
+int StorageView::columnCount(const QModelIndex &) const { return this->c; }
 
 QVariant StorageView::data(const QModelIndex &i, int role) const
 {
diff --git a/gui/storageview.h b/gui/storageview.h
index 0518d8f..e8f3473 100644
--- a/gui/storageview.h
+++ b/gui/storageview.h
@@ -31,7 +31,7 @@ class StorageView : public QAbstractTableModel
 	 * `rows' rows.
 	 * @param the number of rows
 	 */
-	StorageView(int rows, QObject *parent = nullptr);
+	StorageView(int rows, int columns, QObject *parent = nullptr);
 
 	/**
 	 * Returns the number of rows in this table.
@@ -51,13 +51,13 @@ class StorageView : public QAbstractTableModel
 	 * Returns a properly formatted cell, including alignment.This function is
 	 * specific to the implementation details of QAbstractTableModel.
 	 */
-	QVariant
+	virtual QVariant
 	data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
 
 	/**
 	 * Adds custom formatting options for row and column headers.
 	 */
-	QVariant headerData(
+	virtual QVariant headerData(
 		int section,
 		Qt::Orientation o,
 		int role = Qt::DisplayRole) const override;
@@ -75,12 +75,16 @@ class StorageView : public QAbstractTableModel
   public slots:
 	void set_hex_display(bool hex);
 
-  private:
+  protected:
 	/**
 	 * The number of rows in this table.
 	 */
 	int r;
 	/**
+	 * The number of columns in this table.
+	 */
+	int c;
+	/**
 	 * Whether or not the headers should be displayed in hex.
 	 */
 	bool is_hex = true;