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/***************************************************************************
* 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 <tqgroupbox.h>
#include <tqheader.h>
#include <tqlayout.h>
#include <tqlistview.h>
#include <tqsplitter.h>
#include <tqtextview.h>
#include <tqtimer.h>
#include <kaboutdata.h>
#include <kdialog.h>
#include <kgenericfactory.h>
#include "usbdevices.h"
#include "kcmusb.moc"
typedef KGenericFactory<USBViewer, TQWidget > USBFactory;
K_EXPORT_COMPONENT_FACTORY (kcm_usb, USBFactory("kcmusb") )
USBViewer::USBViewer(TQWidget *parent, const char *name, const TQStringList &)
: 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)."));
TQVBoxLayout *vbox = new TQVBoxLayout(this, 0, KDialog::spacingHint());
TQGroupBox *gbox = new TQGroupBox(i18n("USB Devices"), this);
gbox->setColumnLayout( 0, Qt::Horizontal );
vbox->addWidget(gbox);
TQVBoxLayout *vvbox = new TQVBoxLayout(gbox->layout(), KDialog::spacingHint());
TQSplitter *splitter = new TQSplitter(gbox);
vvbox->addWidget(splitter);
_devices = new TQListView(splitter);
_devices->addColumn(i18n("Device"));
_devices->setRootIsDecorated(true);
_devices->header()->hide();
_devices->setMinimumWidth(200);
_devices->setColumnWidthMode(0, TQListView::Maximum);
TQValueList<int> sizes;
sizes.append(200);
splitter->setSizes(sizes);
_details = new TQTextView(splitter);
splitter->setResizeMode(_devices, TQSplitter::KeepSize);
TQTimer *refreshTimer = new TQTimer(this);
// 1 sec seems to be a good compromise between latency and polling load.
refreshTimer->start(1000);
connect(refreshTimer, TQT_SIGNAL(timeout()), TQT_SLOT(refresh()));
connect(_devices, TQT_SIGNAL(selectionChanged(TQListViewItem*)),
this, TQT_SLOT(selectionChanged(TQListViewItem*)));
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( TQListViewItem *item, const TQIntDict<TQListViewItem> &new_items )
{
if (!item)
return;
TQListViewItemIterator 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()
{
TQIntDict<TQListViewItem> 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;
TQPtrListIterator<USBDevice> it(USBDevice::devices());
for ( ; it.current(); ++it)
if (it.current()->level() == level)
{
Q_UINT32 k = key(*it.current());
if (level == 0)
{
TQListViewItem *item = _items.find(k);
if (!item) {
item = new TQListViewItem(_devices,
it.current()->product(),
TQString::number(k));
}
new_items.insert(k, item);
found = true;
}
else
{
TQListViewItem *parent = new_items.find(key_parent(*it.current()));
if (parent)
{
TQListViewItem *item = _items.find(k);
if (!item) {
item = new TQListViewItem(parent,
it.current()->product(),
TQString::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(TQListViewItem *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();
}
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