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Replaced all references to simulation with emulation Updated copyright year Updated .gitignore to reduce chances of random files being uploaded to the repo Added .gitattributes to normalize all text files, and to ignore binary files (which includes the logo and the NEC PDF)
94 lines
2.5 KiB
C++
94 lines
2.5 KiB
C++
//
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// memory_view.cpp: CEN64D memory view (MVC).
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//
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// CEN64D: Cycle-Accurate Nintendo 64 Debugger
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// Copyright (C) 2015, Tyler J. Stachecki.
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//
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// This file is subject to the terms and conditions defined in
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// 'LICENSE', which is part of this source code package.
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//
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#include "memory_view.h"
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#include <QBrush>
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#include <QFont>
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#include <QFontMetrics>
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#include <QPainter>
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#include <QSize>
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#include <cstdio>
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MemoryView::MemoryView(unsigned addressOctets) : addressOctets(addressOctets) {
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QFont monospacedFont("Courier New");
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monospacedFont.setFixedPitch(true);
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monospacedFont.setPointSize(10);
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setFont(monospacedFont);
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QFontMetrics metrics(monospacedFont);
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fontWidth = metrics.width('0');
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fontHeight = metrics.height();
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byteStart = 1 + (3 + addressOctets) * fontWidth;
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// Create the format string.
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sprintf(formatstr, " 0x%%.%ullX", addressOctets);
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}
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MemoryView::~MemoryView() {
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}
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void MemoryView::paintEvent(QPaintEvent* event) {
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QSize area = viewport()->size();
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char buf[32];
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int i, j;
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// TODO: Fonts don't seem to render exactly
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// where we want them, so add a fudge factor.
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float fudge = 2.0 / 3.0;
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unsigned start = fontHeight * fudge;
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QPainter painter(viewport());
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QBrush clear = QBrush(Qt::white);
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QBrush shaded = QBrush(QColor(0xE8, 0xE8, 0xE8));
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// Shade ever other line.
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painter.fillRect(0, 0, area.width(), area.height(), clear);
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for (i = fontHeight; i < area.height(); i += fontHeight * 2)
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painter.fillRect(0, i, area.width(), fontHeight, shaded);
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// Draw any values in the range.
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for (i = 0; i < area.height(); i += fontHeight) {
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sprintf(buf, formatstr, (unsigned long long) 0 +
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(i / fontHeight * bytesPerRow));
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painter.drawText(1, start + i, buf);
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for (j = 0; j < bytesPerRow; j++) {
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sprintf(buf, " %02X ", j);
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painter.drawText(byteStart + j * fontWidth * 3, start + i, buf);
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buf[1] = '\0';
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buf[0] = isprint(j) ? j : '.';
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painter.drawText(byteStart + bytesPerRow * 3 * fontWidth +
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(j + 1) * fontWidth, start + i, buf);
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}
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}
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}
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void MemoryView::resizeEvent(QResizeEvent *event) {
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QSize area = viewport()->size();
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int i;
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// Determine how many bytes we can cram in the row without having
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// to resort to horizontal sliders. Make sure that we keep the byte
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// count to a power of two for simplicity's sake.
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for (bytesPerRow = 1, i = 2; ; i *= 2) {
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int check = byteStart + i * 3 * fontWidth + (i + 1) * fontWidth;
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if (check > area.width())
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break;
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bytesPerRow = i;
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}
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}
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