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Diffstat (limited to 'qtmips_gui/hexlineedit.cpp')
-rw-r--r-- | qtmips_gui/hexlineedit.cpp | 98 |
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); +} |