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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit4aed2c8219774f5d797760606b8489a92ddc5163 (patch)
tree3f8c130f7d269626bf6a9447407ef6c35954426a /kcontrol/usbview/kcmusb.cpp
downloadtdebase-4aed2c8219774f5d797760606b8489a92ddc5163.tar.gz
tdebase-4aed2c8219774f5d797760606b8489a92ddc5163.zip
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
Diffstat (limited to 'kcontrol/usbview/kcmusb.cpp')
-rw-r--r--kcontrol/usbview/kcmusb.cpp192
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();
+}
+
+