pgLab/pglab/UserConfiguration.cpp

#include "UserConfiguration.h"
#include <QFont>
#include <QFontDatabase>
#include <QFontInfo>

UserConfiguration* UserConfiguration::instance()
{
	static UserConfiguration config; // in C++ 11 static ensures thread safe initialization at first call of function
	return &config;
}

UserConfiguration::UserConfiguration()
	: m_settings(nullptr)
{
}

QFont UserConfiguration::codeFont() const
{
	QString family = m_settings.value("fonts/code/family").toString();
	QFont font = QFontDatabase::systemFont(QFontDatabase::FixedFont);
	font.setStyleHint(QFont::Monospace);
	font.setFixedPitch(true);
	if (!family.isEmpty())
		font.setFamily(family);
	else if (!QFontInfo(font).fixedPitch())
		font.setFamilies({ "Source Code Pro", "Consolas", "Courier New", "monospace" });

	bool ok = false;
	int size = m_settings.value("fonts/code/size").toInt(&ok);
	if (ok && size > 0)
		font.setPointSize(size);
	return font;
}