apps/kinfocenter/info/info.cpp

   1 /*
   2  Main Widget for showing system-dependent information.
   3  (But all functions in THIS FILE should be system independent !)
   4
   5  (C) 1998-2003 by Helge Deller <deller@kde.org>
   6
   7  */
   8
   9 #include "info.h"
  10
  11 #include <QLayout>
  12 #include <QProcess>
  13 #include <QLabel>
  14 #include <QHBoxLayout>
  15 #include <QTextStream>
  16 #include <QHeaderView>
  17
  18 #include <kglobalsettings.h>
  19 #include <kiconloader.h>
  20 #include <kdialog.h>
  21 #include <klocale.h>
  22 #include <kdebug.h>
  23
  24 KInfoListWidget::KInfoListWidget(const KComponentData &inst, const QString &_title, QWidget *parent, bool _getlistbox(QTreeWidget *tree) ) :
  25         KCModule(inst, parent), title(_title) {
  26         KAboutData *about = new KAboutData("kcminfo", 0,
  27                         ki18n("KDE Panel System Information Control Module"),
  28                         0, KLocalizedString(), KAboutData::License_GPL,
  29                         ki18n(  "(c) 2008 Nicolas Ternisien\n"
  30                                         "(c) 1998 - 2002 Helge Deller"));
  31
  32         about->addAuthor(ki18n("Nicolas Ternisien"), KLocalizedString(), "nicolas.ternisien@gmail.com");
  33         about->addAuthor(ki18n("Helge Deller"), KLocalizedString(), "deller@kde.org");
  34         setAboutData(about);
  35
  36         kDebug() << "Constructing a KInfoListWidget..." << endl;
  37
  38         //setButtons(KCModule::Help);
  39         getlistbox = _getlistbox;
  40         QHBoxLayout *layout = new QHBoxLayout(this);
  41         layout->setSpacing(KDialog::spacingHint());
  42         layout->setMargin(0);
  43         widgetStack = new QStackedWidget(this);
  44         layout->addWidget(widgetStack);
  45
  46         tree = new QTreeWidget(widgetStack);
  47         widgetStack->addWidget(tree);
  48         tree->setMinimumSize(200, 120);
  49         tree->setFont(KGlobalSettings::generalFont()); /* default font */
  50         tree->setSortingEnabled(true);
  51         tree->setRootIsDecorated(false);
  52         tree->header()->setSortIndicatorShown(true);
  53         tree->setWhatsThis(i18n("This list displays system information on the selected category.") );
  54
  55         noInfoText = new QLabel(widgetStack);
  56         widgetStack->addWidget(noInfoText);
  57         noInfoText->setAlignment(Qt::AlignCenter);
  58         noInfoText->setWordWrap( true);
  59         widgetStack->setCurrentWidget(noInfoText);
  60
  61 }
  62
  63 void KInfoListWidget::load() {
  64         kDebug() << "Loading KInfoListWidget..." << endl;
  65
  66         //TODO Remove tree content before clear it
  67         tree->clear();
  68
  69         errorString = i18nc("%1 is one of the modules of the kinfocenter, cpu info, os info, etc", "No information available about %1.", title) + QLatin1String("\n\n") + DEFAULT_ERRORSTRING;
  70
  71         /* No Sorting per default */
  72         tree->setSortingEnabled(false);
  73
  74         bool ok = false;
  75         /* retrieve the information */
  76         if (getlistbox) {
  77                 ok = (*getlistbox)(tree);
  78         }
  79
  80         /* set default title */
  81         if (tree->headerItem()->columnCount()<=1) {
  82                 QStringList headers;
  83                 headers << title;
  84                 tree->setHeaderLabels(headers);
  85         }
  86
  87         if (ok) {
  88                 widgetStack->setCurrentWidget(tree);
  89         } else {
  90                 noInfoText->setText(errorString);
  91                 widgetStack->setCurrentWidget(noInfoText);
  92         }
  93
  94         tree->resizeColumnToContents(0);
  95
  96         emit changed(false);
  97 }
  98
  99 QString KInfoListWidget::quickHelp() const {
 100         return i18n("All the information modules return information about a certain"
 101                 " aspect of your computer hardware or your operating system.");
 102 }
 103
 104