Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 192 insertions, 0 deletions

diff --git a/kcontrol/usbview/kcmusb.cpp b/kcontrol/usbview/kcmusb.cpp
new file mode 100644
index 000000000..24cb1f1bd
--- /dev/null
+++ b/kcontrol/usbview/kcmusb.cpp
@@ -0,0 +1,192 @@
+/***************************************************************************
+ *   Copyright (C) 2001 by Matthias Hoelzer-Kluepfel <mhk@caldera.de>      *
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include <qgroupbox.h>
+#include <qheader.h>
+#include <qlayout.h>
+#include <qlistview.h>
+#include <qsplitter.h>
+#include <qtextview.h>
+#include <qtimer.h>
+
+#include <kaboutdata.h>
+#include <kdialog.h>
+#include <kgenericfactory.h>
+
+#include "usbdevices.h"
+#include "kcmusb.moc"
+
+typedef KGenericFactory<USBViewer, QWidget > USBFactory;
+K_EXPORT_COMPONENT_FACTORY (kcm_usb, USBFactory("kcmusb") )
+
+USBViewer::USBViewer(QWidget *parent, const char *name, const QStringList &)
+  : KCModule(USBFactory::instance(), parent, name)
+{
+  setButtons(Help);
+
+  setQuickHelp( i18n("<h1>USB Devices</h1> This module allows you to see"
+     " the devices attached to your USB bus(es)."));
+
+  QVBoxLayout *vbox = new QVBoxLayout(this, 0, KDialog::spacingHint());
+  QGroupBox *gbox = new QGroupBox(i18n("USB Devices"), this);
+  gbox->setColumnLayout( 0, Qt::Horizontal );
+  vbox->addWidget(gbox);
+
+  QVBoxLayout *vvbox = new QVBoxLayout(gbox->layout(), KDialog::spacingHint());
+
+  QSplitter *splitter = new QSplitter(gbox);
+  vvbox->addWidget(splitter);
+
+  _devices = new QListView(splitter);
+  _devices->addColumn(i18n("Device"));
+  _devices->setRootIsDecorated(true);
+  _devices->header()->hide();
+  _devices->setMinimumWidth(200);
+  _devices->setColumnWidthMode(0, QListView::Maximum);
+
+  QValueList<int> sizes;
+  sizes.append(200);
+  splitter->setSizes(sizes);
+
+  _details = new QTextView(splitter);
+
+  splitter->setResizeMode(_devices, QSplitter::KeepSize);
+
+  QTimer *refreshTimer = new QTimer(this);
+  // 1 sec seems to be a good compromise between latency and polling load.
+  refreshTimer->start(1000);
+
+  connect(refreshTimer, SIGNAL(timeout()), SLOT(refresh()));
+  connect(_devices, SIGNAL(selectionChanged(QListViewItem*)),
+	  this, SLOT(selectionChanged(QListViewItem*)));
+
+  KAboutData *about =
+  new KAboutData(I18N_NOOP("kcmusb"), I18N_NOOP("KDE USB Viewer"),
+                0, 0, KAboutData::License_GPL,
+                I18N_NOOP("(c) 2001 Matthias Hoelzer-Kluepfel"));
+
+  about->addAuthor("Matthias Hoelzer-Kluepfel", 0, "mhk@kde.org");
+  about->addCredit("Leo Savernik", "Live Monitoring of USB Bus", "l.savernik@aon.at");
+  setAboutData( about );
+
+  load();
+}
+
+void USBViewer::load()
+{
+  _items.clear();
+  _devices->clear();
+
+  refresh();
+}
+
+static Q_UINT32 key( USBDevice &dev )
+{
+  return dev.bus()*256 + dev.device();
+}
+
+static Q_UINT32 key_parent( USBDevice &dev )
+{
+  return dev.bus()*256 + dev.parent();
+}
+
+static void delete_recursive( QListViewItem *item, const QIntDict<QListViewItem> &new_items )
+{
+  if (!item)
+	return;
+
+  QListViewItemIterator it( item );
+  while ( it.current() ) {
+        if (!new_items.find(it.current()->text(1).toUInt())) {
+		delete_recursive( it.current()->firstChild(), new_items);
+		delete it.current();
+	}
+	++it;
+  }
+}
+
+void USBViewer::refresh()
+{
+  QIntDict<QListViewItem> new_items;
+
+  if (!USBDevice::parse("/proc/bus/usb/devices"))
+    USBDevice::parseSys("/sys/bus/usb/devices");
+
+  int level = 0;
+  bool found = true;
+
+  while (found)
+    {
+      found = false;
+
+      QPtrListIterator<USBDevice> it(USBDevice::devices());
+      for ( ; it.current(); ++it)
+	if (it.current()->level() == level)
+	  {
+	    Q_UINT32 k = key(*it.current());
+	    if (level == 0)
+	      {
+		QListViewItem *item = _items.find(k);
+		if (!item) {
+		    item = new QListViewItem(_devices,
+				it.current()->product(),
+				QString::number(k));
+		}
+		new_items.insert(k, item);
+		found = true;
+	      }
+	    else
+	      {
+		QListViewItem *parent = new_items.find(key_parent(*it.current()));
+		if (parent)
+		  {
+		    QListViewItem *item = _items.find(k);
+
+		    if (!item) {
+		        item = new QListViewItem(parent,
+				    it.current()->product(),
+				    QString::number(k) );
+		    }
+		    new_items.insert(k, item);
+		    parent->setOpen(true);
+		    found = true;
+		  }
+	      }
+	  }
+
+      ++level;
+    }
+
+    // recursive delete all items not in new_items
+    delete_recursive( _devices->firstChild(), new_items );
+
+    _items = new_items;
+
+    if (!_devices->selectedItem())
+        selectionChanged(_devices->firstChild());
+}
+
+
+void USBViewer::selectionChanged(QListViewItem *item)
+{
+  if (item)
+    {
+      Q_UINT32 busdev = item->text(1).toUInt();
+      USBDevice *dev = USBDevice::find(busdev>>8, busdev&255);
+      if (dev)
+	{
+	  _details->setText(dev->dump());
+	  return;
+	}
+    }
+  _details->clear();
+}
+
+