Method paintEvent

pcsx2-qt/Debugger/DisassemblyView.cpp:392–574

Here we go!

// Here we go!
void DisassemblyView::paintEvent(QPaintEvent* event)
{
	QPainter painter(this);

	const u32 w = painter.device()->width() - 1;
	const u32 h = painter.device()->height() - 1;

	// Get the current font size
	const QFontMetrics fm = painter.fontMetrics();

	// Get the row height
	m_rowHeight = fm.height() + 2;

	// Find the amount of visible disassembly rows. Minus 1 to not count column title row.
	m_visibleRows = h / m_rowHeight - 1;

	m_disassemblyManager.analyze(m_visibleStart, m_disassemblyManager.getNthNextAddress(m_visibleStart, m_visibleRows) - m_visibleStart);

	const u32 curPC = cpu().getPC(); // Get the PC here, because it'll change when we are drawing and make it seem like there are two PCs

	// Format and draw title line on first row
	const QString titleLineString = GetDisassemblyTitleLine();
	const QColor titleLineColor = GetDisassemblyTitleLineColor();
	painter.fillRect(0, 0 * m_rowHeight, w, m_rowHeight, titleLineColor);
	painter.drawText(2, 0 * m_rowHeight, w, m_rowHeight, Qt::AlignLeft, titleLineString);

	// Prepare to draw the disassembly rows
	bool inSelectionBlock = false;
	bool alternate = m_visibleStart % 8;

	// Draw visible disassembly rows
	for (u32 i = 0; i < m_visibleRows + 1; i++)
	{
		// Address of instruction being displayed on row
		const u32 rowAddress = (i * 4) + m_visibleStart;

		// Row will be drawn at row index+1 to offset past title row
		const u32 rowIndex = (i + 1) * m_rowHeight;

		// Row backgrounds
		if (inSelectionBlock || (m_selectedAddressStart <= rowAddress && rowAddress <= m_selectedAddressEnd))
		{
			painter.fillRect(0, rowIndex, w, m_rowHeight, this->palette().highlight());
			inSelectionBlock = m_selectedAddressEnd != rowAddress;
		}
		else
		{
			painter.fillRect(0, rowIndex, w, m_rowHeight, alternate ? this->palette().base() : this->palette().alternateBase());
		}

		// Row text
		painter.setPen(GetAddressFunctionColor(rowAddress));
		QString lineString = DisassemblyStringFromAddress(rowAddress, painter.font(), curPC, rowAddress == m_selectedAddressStart);

		painter.drawText(2, rowIndex, w, m_rowHeight, Qt::AlignLeft, lineString);

		// Breakpoint marker
		bool enabled;