Visualize request to stall and stall in execution phase and exception sources.

Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>

1 files changed, 80 insertions, 0 deletions

diff --git a/qtmips_gui/coreview/multitext.cpp b/qtmips_gui/coreview/multitext.cpp
new file mode 100644
index 0000000..d28b5be
--- /dev/null
+++ b/qtmips_gui/coreview/multitext.cpp
@@ -0,0 +1,80 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*******************************************************************************
+ * QtMips - MIPS 32-bit Architecture Subset Simulator
+ *
+ * Implemented to support following courses:
+ *
+ *   B35APO - Computer Architectures
+ *   https://cw.fel.cvut.cz/wiki/courses/b35apo
+ *
+ *   B4M35PAP - Advanced Computer Architectures
+ *   https://cw.fel.cvut.cz/wiki/courses/b4m35pap/start
+ *
+ * Copyright (c) 2017-2019 Karel Koci<cynerd@email.cz>
+ * Copyright (c) 2019      Pavel Pisa <pisa@cmp.felk.cvut.cz>
+ *
+ * Faculty of Electrical Engineering (http://www.fel.cvut.cz)
+ * Czech Technical University        (http://www.cvut.cz/)
+ *
+ * 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA  02110-1301, USA.
+ *
+ ******************************************************************************/
+
+#include "multitext.h"
+#include <QPainter>
+#include <QFont>
+
+using namespace coreview;
+
+//////////////////////
+#define WIDTH 100
+#define HEIGHT 14
+#define ROUND 5
+#define GAP 2
+#define PENW 1
+//////////////////////
+
+MultiText::MultiText(QMap<std::uint32_t, QString> value_map) :
+                 QGraphicsObject(nullptr), text(this) {
+    QFont f;
+    f.setPointSize(6);
+    text.setFont(f);
+
+    this->value_map = value_map;
+
+    multitext_update(0);
+}
+
+QRectF MultiText::boundingRect() const {
+    return QRectF(-WIDTH/2 - PENW/2, -PENW/2, WIDTH + PENW, HEIGHT + PENW);
+}
+
+void MultiText::paint(QPainter *painter, const QStyleOptionGraphicsItem *option __attribute__((unused)), QWidget *widget __attribute__((unused))) {
+    painter->setPen(QPen(QColor(240, 240, 240)));
+    painter->setBrush(QBrush(QColor(240, 240, 240)));
+    painter->drawRoundRect(-WIDTH/2, 0, WIDTH, HEIGHT, ROUND, ROUND);
+}
+
+void MultiText::multitext_update(std::uint32_t value) {
+
+    QRectF prev_box = boundingRect();
+    this->value = value;
+    QString str = value_map.value(value);
+    text.setText(str);
+    QRectF box = text.boundingRect();
+    text.setPos(-box.width()/2, GAP);
+    update(prev_box.united(boundingRect()));
+}