workspace/systemsettings/moduleiconitem.cpp

   1 /**
   2  * This file is part of the System Settings package
   3  * Copyright (C) 2005 Benjamin C Meyer
   4 *                    <ben+systempreferences at meyerhome dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public License
  17  * along with this library; see the file COPYING.LIB.  If not, write to
  18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  * Boston, MA 02110-1301, USA.
  20  */
  21
  22 #include "moduleiconitem.h"
  23 #include <kiconloader.h>
  24 #include <kdebug.h>
  25 #include <kcmoduleinfo.h>
  26
  27 #include <climits>
  28
  29 #include <QApplication>
  30 #include <QPainter>
  31
  32 #define IMAGE_SIZE 32
  33 #define ICON_WIDTH 100
  34
  35
  36 ModuleIconItem::ModuleIconItem( QListWidget* parent, const KCModuleInfo& module)
  37         : QListWidgetItem(SmallIcon( module.icon(), IMAGE_SIZE ), module.moduleName(), parent),
  38         imageName(module.icon())
  39 {
  40         setData( Qt::UserRole, KIconLoader::DefaultState );
  41         modules.append(module);
  42         setSize();
  43 }
  44
  45 ModuleIconItem::ModuleIconItem( QListWidget* parent, const QString &text,
  46                 const QString &_imageName )
  47         : QListWidgetItem( SmallIcon( _imageName, IMAGE_SIZE ), text, parent ),
  48         imageName(_imageName)
  49 {
  50         setData( Qt::UserRole, KIconLoader::DefaultState );
  51         setSize();
  52 }
  53
  54 void ModuleIconItem::loadIcon( bool enabled )
  55 {
  56         int newState = enabled ? KIconLoader::DefaultState : KIconLoader::DisabledState;
  57         if( newState == data( Qt::UserRole ).toInt() )
  58                 return;
  59
  60         setData( Qt::UserRole, newState );
  61         setIcon( DesktopIcon( imageName, IMAGE_SIZE , newState ) );
  62 }
  63
  64 void ModuleIconItem::setSize()
  65 {
  66         QStyle *style = listWidget()->style();
  67         QFontMetrics fm(font());
  68         const QRect &rect = fm.boundingRect(0, 0, ICON_WIDTH, INT_MAX, Qt::TextWordWrap, text());
  69         setData(Qt::SizeHintRole, QSize(ICON_WIDTH, IMAGE_SIZE + style->pixelMetric(QStyle::PM_FocusFrameVMargin) + rect.height()));
  70 }