QTableView based memory view is working.

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

1 files changed, 98 insertions, 0 deletions

diff --git a/qtmips_gui/hexlineedit.cpp b/qtmips_gui/hexlineedit.cpp
new file mode 100644
index 0000000..c138591
--- /dev/null
+++ b/qtmips_gui/hexlineedit.cpp
@@ -0,0 +1,98 @@
+// 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 "hexlineedit.h"
+
+HexLineEdit::HexLineEdit(QWidget *parent, int digits, int base, QString prefix):
+    Super(parent) {
+    this->base = base;
+    this->digits = digits;
+    this->prefix = prefix;
+    last_set = 0;
+    QChar dmask;
+    QString t = "";
+    QString mask = "";
+
+    for (int i = 0; i <prefix.count(); i++)
+        mask += "\\" + QString(prefix.at(i));
+    switch (base) {
+    case 10:
+        mask += "D";
+        dmask = 'd';
+        break;
+    case 2:
+        mask += "B";
+        dmask = 'b';
+        break;
+    case 16:
+    case 0:
+    default:
+        mask += "H";
+        dmask = 'h';
+        break;
+    }
+    if (digits > 1)
+        t.fill(dmask, digits  - 1);
+
+    mask += t;
+
+    setInputMask(mask);
+
+    connect(this, SIGNAL(editingFinished()), this, SLOT(on_edit_finished()));
+
+    set_value(0);
+}
+
+void HexLineEdit::set_value(std::int32_t value) {
+    QString s, t = "";
+    last_set = value;
+    s = QString::number(value, base);
+    if (s.count() < digits)
+        t.fill('0', digits - s.count());
+    setText(prefix + t +s);
+
+}
+
+void HexLineEdit::on_edit_finished() {
+    bool ok;
+    std::uint32_t val;
+    val = text().toLong(&ok, 16);
+    if (!ok) {
+        set_value(last_set);
+        return;
+    }
+    last_set = val;
+    emit value_edit_finished(val);
+}