workspace/plasma/applets/system-monitor/monitoricon.cpp

   1 /*
   2  *   Copyright (C) 2007 Petri Damsten <damu@iki.fi>
   3  *
   4  *   This program is free software; you can redistribute it and/or modify
   5  *   it under the terms of the GNU Library General Public License as
   6  *   published by the Free Software Foundation; either version 2, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details
  13  *
  14  *   You should have received a copy of the GNU Library General Public
  15  *   License along with this program; if not, write to the
  16  *   Free Software Foundation, Inc.,
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  */
  19
  20 #include "monitoricon.h"
  21 #include <kdebug.h>
  22 #include <QPainter>
  23 #include <KIcon>
  24 #include <KIconLoader>
  25
  26 #define MARGIN 5
  27
  28 class MonitorIcon::Private
  29 {
  30     public:
  31         Private() : imageSize(22, 22) { }
  32
  33         QSizeF imageSize;
  34         QString image;
  35         QStringList overlays;
  36 };
  37
  38 MonitorIcon::MonitorIcon(QGraphicsItem *parent) :
  39         QGraphicsWidget(parent),
  40         d(new Private)
  41 {
  42     setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
  43     setPreferredSize(d->imageSize.width() + 2 * MARGIN, d->imageSize.height() + 2 * MARGIN);
  44 }
  45
  46 MonitorIcon::~MonitorIcon()
  47 {
  48     delete d;
  49 }
  50
  51 QString MonitorIcon::image() const
  52 {
  53     return d->image;
  54 }
  55
  56 void MonitorIcon::setImage(const QString &image)
  57 {
  58     d->image = image;
  59     update();
  60 }
  61
  62 QStringList MonitorIcon::overlays() const
  63 {
  64     return d->overlays;
  65 }
  66
  67 void MonitorIcon::setOverlays( const QStringList & overlays )
  68 {
  69     d->overlays = overlays;
  70     update();
  71 }
  72
  73 void MonitorIcon::paint(QPainter *p,
  74                         const QStyleOptionGraphicsItem *option,
  75                         QWidget *widget)
  76 {
  77     Q_UNUSED(option)
  78     Q_UNUSED(widget)
  79
  80     p->drawPixmap(QPointF((size().width() - d->imageSize.width()) / 2,
  81                           (size().height() - d->imageSize.height()) / 2),
  82                   KIcon(d->image, KIconLoader::global(),
  83                         d->overlays).pixmap(d->imageSize.toSize()));
  84 }
  85
  86 #include "monitoricon.moc"