helpbrowser.cpp

/******************************************************************************
*
*   This file is part of Cardio Curves.
*   Copyright (C) 2009 Jan Gunnar Andreassen
*   Copyright (C) 2009 Lars Magne Engedal
*
*   Cardio Curves is free software: you can redistribute it and/or modify
*   it under the terms of the GNU Lesser General Public License as published
*   by the Free Software Foundation, either version 2.1 of the License, or
*   (at your option) any later version.
*
*   Cardio Cruves is distributed in the hope that it will be useful,
*   but WITHOUT ANY WARRANTY; without even the implied warranty of
*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*   GNU Lesser General Public License for more details.
*
*   You should have received a copy of the GNU Lesser General Public License
*   along with Cardio Curves.  If not, see <http://www.gnu.org/licenses/>.
*
*   Developer contact:
*       (janislazzaroni at users.sourceforge.net)
*       (engedal at users.sourceforge.net )
******************************************************************************/

#include <QtGui>

#include "helpbrowser.h"

HelpBrowser::HelpBrowser(const QString &path,
    const QString &page,
    QWidget *parent)
        : QWidget(parent)
{
    setAttribute(Qt::WA_DeleteOnClose);
    setAttribute(Qt::WA_GroupLeader);

    textBrowser = new QTextBrowser;

    homeButton = new QPushButton(tr("&Home"));
    backButton = new QPushButton(tr("&Back"));
    closeButton = new QPushButton(tr("Close"));
    closeButton->setShortcut(tr("Esc"));

    QHBoxLayout *buttonLayout = new QHBoxLayout;
    buttonLayout->addWidget(homeButton);
    buttonLayout->addWidget(backButton);
    buttonLayout->addStretch();
    buttonLayout->addWidget(closeButton);

    QVBoxLayout *mainLayout = new QVBoxLayout;
    mainLayout->addLayout(buttonLayout);
    mainLayout->addWidget(textBrowser);
    setLayout(mainLayout);

    connect(homeButton, SIGNAL(clicked()), textBrowser, SLOT(home()));
    connect(backButton, SIGNAL(clicked()), textBrowser, SLOT(backward()));
    connect(closeButton, SIGNAL(clicked()), this, SLOT(close()));
    connect(textBrowser, SIGNAL(sourceChanged(QUrl)),
        this, SLOT(updateWindowTitle()));

    textBrowser->setSearchPaths(QStringList() << path << ":/ourstyle");
    textBrowser->setSource(page);
}

void HelpBrowser::updateWindowTitle()
{
    setWindowTitle(tr("Help: %1").arg(textBrowser->documentTitle()));
}

void HelpBrowser::showPage(const QString& page)
{
    QString path = QApplication::applicationDirPath() + "/doc";
    HelpBrowser *browser = new HelpBrowser(path, page);
    browser->resize(500,400);
    browser->show();
}

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