/*
 * Copyright (C) 2008-2014 The QXmpp developers
 *
 * Author:
 *	Manjeet Dahiya
 *
 * Source:
 *	https://github.com/qxmpp-project/qxmpp
 *
 * This file is a part of QXmpp library.
 *
 * This library 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.
 *
 * This library 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.
 *
 */


#include "chatGraphicsView.h"
#include "chatGraphicsScene.h"
#include <QResizeEvent>

chatGraphicsView::chatGraphicsView(QWidget* parent) : QGraphicsView(parent)
{
    setAlignment(Qt::AlignHCenter|Qt::AlignTop);
    setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
    setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    setFrameStyle(QFrame::NoFrame);
}

void chatGraphicsView::setChatGraphicsScene(chatGraphicsScene* scene)
{
    m_scene = scene;
    setScene(m_scene);
}

void chatGraphicsView::addMessage(const QString& user, const QString& message)
{
    if(m_scene)
        m_scene->addMessage(user, message);

    QRectF rect = scene()->sceneRect();
    rect.adjust(-4, -4, 4, 4);
    setSceneRect(rect);

    rect = sceneRect();
    rect.setTop(sceneRect().height() - 20);
    rect.setWidth(20);
    ensureVisible(rect, 50, 50);
}

void chatGraphicsView::resizeEvent(QResizeEvent *event)
{
//  pass this to scene
    m_scene->setWidthResize(event->size().width(), event->oldSize().width());
    QGraphicsView::resizeEvent(event);

    QRectF rect = scene()->sceneRect();
    rect.adjust(-4, -4, 4, 4);
    setSceneRect(rect);
}