serversstatuswidget.cpp

//------------------------------------------------------------------------------
// serversstatuswidget.h
//------------------------------------------------------------------------------
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// 02110-1301, USA.
//
//------------------------------------------------------------------------------
// Copyright (C) 2009 "Blzut3" <admin@maniacsvault.net>
//------------------------------------------------------------------------------

#include <QHBoxLayout>
#include <QLabel>
#include <QMouseEvent>
#include <QPainter>

#include "serversstatuswidget.h"
#include "serverapi/masterclient.h"
#include "serverapi/playerslist.h"
#include "serverapi/server.h"

ServersStatusWidget::ServersStatusWidget(const QPixmap &icon, MasterClient *serverList) : QLabel(),
        bMasterIsEnabled(false), icon(icon), numBots(0), numPlayers(0), serverList(serverList)
{
        // Transform icon to grayscale format for disabled appearance
        QImage iconImage = icon.toImage();
        int width = iconImage.width();
        int height = iconImage.height();
        for (int x = 0; x < width; ++x)
        {
                for (int y = 0; y < height; ++y)
                {
                        QRgb pixel = iconImage.pixel(x, y);
                        int alpha = qAlpha(pixel);
                        int gray = qGray(pixel);

                        pixel = qRgba(gray, gray, gray, alpha);

                        iconImage.setPixel(x, y, pixel);
                }
        }

        iconDisabled = QPixmap::fromImage(iconImage);

        // Have an inset frame unless we're on the Mac
#ifndef Q_OS_MAC
        setFrameShape(QFrame::Panel);
        setFrameShadow(QFrame::Sunken);
#else
        setFrameShape(QFrame::NoFrame);
#endif

        setFixedHeight(22);
        setToolTip(tr("Players-Bots Servers"));

        setIndent(22);
        updateDisplay();

        registerServers();

        connect(serverList, SIGNAL(listUpdated()), this, SLOT(registerServers()));
}

void ServersStatusWidget::addServer(const ServerPtr &server)
{
        const PlayersList &players = server->players();
        numPlayers += players.numClients();
        numBots += players.numBots();
        updateDisplay();
}

void ServersStatusWidget::mousePressEvent(QMouseEvent* event)
{
        if (event->button() == Qt::LeftButton)
        {
                emit clicked(serverList);
        }
}

void ServersStatusWidget::paintEvent(QPaintEvent *event)
{
        QPainter p(this);
        p.setRenderHint(QPainter::SmoothPixmapTransform);
        p.drawPixmap(2, 2, 18, 18, bMasterIsEnabled ? icon : iconDisabled);
        p.end();

        QLabel::paintEvent(event);
}

void ServersStatusWidget::registerServers()
{
        // Since this is done when the list changes we should reset some values
        numPlayers = 0;
        numBots = 0;

        if (serverList != NULL)
        {
                foreach(ServerPtr server, serverList->servers())
                {
                        connect(server.data(), SIGNAL(begunRefreshing(ServerPtr)), this, SLOT(removeServer(ServerPtr)), Qt::DirectConnection);
                        connect(server.data(), SIGNAL(updated(ServerPtr, int)), this, SLOT(addServer(ServerPtr)), Qt::DirectConnection);
                }
        }
}

void ServersStatusWidget::removeServer(const ServerPtr &server)
{
        const PlayersList &players = server->players();
        numPlayers -= players.numClients();
        numBots -= players.numBots();
        updateDisplay();
}

void ServersStatusWidget::setMasterEnabledStatus(bool bEnabled)
{
        this->bMasterIsEnabled = bEnabled;
        updateDisplay();
}

void ServersStatusWidget::updateDisplay()
{
        if (bMasterIsEnabled)
        {
                setText(QString("%1-%2 %3").arg(numPlayers).arg(numBots).arg(serverList != NULL ? serverList->numServers() : 0));
        }
        else
        {
                setText("N/A");
        }
}