#include <QDialog>
#include <QFile>
#include <QMessageBox>
#include <QObject>
#include <QTextStream>

#include "helpwindow.h"

#include <ui_helpwindow.h>

void show_helpwindow()
{
	QString fileName = "PreludeLML.html";
	QFile file(fileName);
	if (!file.open(QFile::ReadOnly | QFile::Text)) {
		QMessageBox::warning(NULL, QObject::tr("Application"),
				QObject::tr("Cannot read file %1:\n%2.")
				.arg(fileName)
				.arg(file.errorString()));
		return;
	}

	QDialog *window = new QDialog;
	Ui::helpWindow ui;
	ui.setupUi(window);

	QTextStream in(&file);
	QApplication::setOverrideCursor(Qt::WaitCursor);
	ui.textBrowser->setHtml(in.readAll());
	QApplication::restoreOverrideCursor();

	window->show();
}