From 32084b4f5dfbfa2f653f55cfa514317c4b065b1e Mon Sep 17 00:00:00 2001 From: Pavel Pisa Date: Mon, 11 Feb 2019 15:09:10 +0100 Subject: Converted program listing to be QTableView based. Signed-off-by: Pavel Pisa --- qtmips_gui/programtableview.cpp | 155 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 155 insertions(+) create mode 100644 qtmips_gui/programtableview.cpp (limited to 'qtmips_gui/programtableview.cpp') diff --git a/qtmips_gui/programtableview.cpp b/qtmips_gui/programtableview.cpp new file mode 100644 index 0000000..34a119a --- /dev/null +++ b/qtmips_gui/programtableview.cpp @@ -0,0 +1,155 @@ +// 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 + * Copyright (c) 2019 Pavel Pisa + * + * 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 +#include +#include +#include "programtableview.h" +#include "programmodel.h" + +ProgramTableView::ProgramTableView(QWidget *parent, QSettings *settings) : Super(parent) { + connect(verticalScrollBar() , SIGNAL(valueChanged(int)), + this, SLOT(adjust_scroll_pos())); + this->settings = settings; + initial_address = settings->value("ProgramViewAddr0", 0).toULongLong(); +} + +void ProgramTableView::addr0_save_change(std::uint32_t val) { + settings->setValue("ProgramViewAddr0", val); +} + +void ProgramTableView::adjustColumnCount() { + int cwidth; + int totwidth; + ProgramModel *m = dynamic_cast(model()); + + if (m == nullptr) + return; + + QFontMetrics fm(*m->getFont()); + cwidth = fm.width("Bp"); + totwidth = cwidth; + horizontalHeader()->setSectionResizeMode(0, QHeaderView::Fixed); + horizontalHeader()->resizeSection(0, cwidth); + cwidth = fm.width("0x00000000"); + totwidth += cwidth; + horizontalHeader()->setSectionResizeMode(1, QHeaderView::Fixed); + horizontalHeader()->resizeSection(1, cwidth); + totwidth += cwidth; + cwidth = fm.width("00000000"); + horizontalHeader()->setSectionResizeMode(2, QHeaderView::Fixed); + horizontalHeader()->resizeSection(2, cwidth); + horizontalHeader()->setSectionResizeMode(3, QHeaderView::Stretch); + totwidth += fm.width("BEQ $18, $17, 0x80020058"); + totwidth += verticalHeader()->width(); + setColumnHidden(2, totwidth > width()); + + if (initial_address != 0) { + go_to_address(initial_address); + initial_address = 0; + } +} + + +void ProgramTableView:: adjust_scroll_pos() { + std::uint32_t address; + ProgramModel *m = dynamic_cast(model()); + if (m == nullptr) + return; + + QModelIndex prev_index = currentIndex(); + std::uint32_t row_bytes = m->cellSizeBytes(); + std::uint32_t index0_offset = m->getIndex0Offset(); + + do { + int row = rowAt(0); + int prev_row = row; + if (row < m->rowCount() / 8) { + if ((row == 0) && (index0_offset < row_bytes) && (index0_offset != 0)) { + m->adjustRowAndOffset(row, 0, 0); + } else if (index0_offset > row_bytes) { + m->get_row_address(address, row); + m->adjustRowAndOffset(row, m->rowCount() / 7, address); + } else { + break; + } + } else if (row > m->rowCount() - m->rowCount() / 8) { + m->get_row_address(address, row); + m->adjustRowAndOffset(row, m->rowCount() - m->rowCount() / 7, address); + } else { + break; + } + scrollTo(m->index(row, 0), QAbstractItemView::PositionAtTop); + setCurrentIndex(m->index(prev_index.row() + row - prev_row, + prev_index.column())); + emit m->update_all(); + } while(0); + m->get_row_address(address, rowAt(0)); + addr0_save_change(address); + emit address_changed(address); +} + +void ProgramTableView::resizeEvent(QResizeEvent *event) { + ProgramModel *m = dynamic_cast(model()); + std::uint32_t address; + bool keep_row0 = false; + + if (m != nullptr) { + if (initial_address == 0) { + keep_row0 = m->get_row_address(address, rowAt(0)); + } else { + address = initial_address; + } + } + Super::resizeEvent(event); + adjustColumnCount(); + if (keep_row0) { + initial_address = 0; + go_to_address(address); + } +} + +void ProgramTableView:: go_to_address(std::uint32_t address) { + ProgramModel *m = dynamic_cast(model()); + int row; + if (m == nullptr) + return; + m->adjustRowAndOffset(row, m->rowCount() / 2, address); + scrollTo(m->index(row, 0), + QAbstractItemView::PositionAtTop); + setCurrentIndex(m->index(row, 1)); + addr0_save_change(address); + emit m->update_all(); +} -- cgit v1.2.3