obs-studio/UI/plain-text-edit.cpp

#include "plain-text-edit.hpp"
#include <QFontDatabase>

OBSPlainTextEdit::OBSPlainTextEdit(QWidget *parent, bool monospace)
	: QPlainTextEdit(parent)
{
	// Fix display of tabs & multiple spaces
	document()->setDefaultStyleSheet("font { white-space: pre; }");

	if (monospace) {
		const QFont fixedFont =
			QFontDatabase::systemFont(QFontDatabase::FixedFont);

		setStyleSheet(
			QString("font-family: %1; font-size: %2pt;")
				.arg(fixedFont.family(),
				     QString::number(fixedFont.pointSize())));
	}
}