modulesinfo.cpp

天使工具,e6手机专用,大家都知道吧,狠狠好地东西,直接编译即可

/**********************************************************************
** ModulesInfo
**
** Display Modules information
**
** Copyright (C) 2002, Michael Lauer
**                    [e-mail]
**                    http://www.Vanille.de
**
** Based on ProcessInfo by Dan Williams <[e-mail]>
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
**********************************************************************/

#include <qapplication.h>

#include <qcombobox.h>
#include <qfile.h>
#include <qheader.h>
#include <qlayout.h>
#include <qlistview.h>
#include "zmessagebox.h"
#include <qpushbutton.h>
#include <qstring.h>
#include <qtimer.h>
#include <qwhatsthis.h>

#include "modulesinfo.h"
#include "detail.h"
QString ChineseAndEnglish(const char*ChineseString);
ModulesInfo::ModulesInfo( QWidget* parent,  const char* name, WFlags fl )
    : QWidget( parent, name, fl )
{
    QGridLayout *layout = new QGridLayout( this );
    layout->setSpacing( 4 );
    layout->setMargin( 4 );

    ModulesView = new QListView( this );
    int colnum = ModulesView->addColumn( ChineseAndEnglish("模块" ) );
    colnum = ModulesView->addColumn( ChineseAndEnglish("大小" ) );
    ModulesView->setColumnAlignment( colnum, Qt::AlignRight );
    colnum = ModulesView->addColumn( ChineseAndEnglish("使用" ) );
    ModulesView->setColumnAlignment( colnum, Qt::AlignRight );
    colnum = ModulesView->addColumn( tr( "Used by" ) );
    ModulesView->setAllColumnsShowFocus( TRUE );
    layout->addMultiCellWidget( ModulesView, 0, 0, 0, 1 );
    QWhatsThis::add( ModulesView, tr( "This is a list of all the kernel modules currently loaded on this handheld device.\n\nClick and hold on a module to see additional information about the module, or to unload it." ) );
	
	// Test if we have /sbin/modinfo, and if so, allow module detail window
	if ( QFile::exists( "/sbin/modinfo" ) )
	{
		//QApplication::setStylusOperation( ModulesView->viewport(), QApplication::RightOnHold );
    	connect( ModulesView, SIGNAL( rightButtonPressed( QListViewItem *, const QPoint &, int ) ),
				 this, SLOT( viewModules( QListViewItem * ) ) );
	}

    CommandCB = new QComboBox( FALSE, this );
    CommandCB->insertItem( "modprobe -r" );
    CommandCB->insertItem( "rmmod" );
    // I can't think of other useful commands yet. Anyone?
    layout->addWidget( CommandCB, 1, 0 );
    QWhatsThis::add( CommandCB, tr( "Select a command here and then click the Send button to the right to send the command to module selected above." ) );

    QPushButton *btn = new QPushButton( this );
    btn->setMinimumSize( QSize( 50, 24 ) );
    btn->setMaximumSize( QSize( 50, 24 ) );
    btn->setText( ChineseAndEnglish("发送" ) );
    connect( btn, SIGNAL( clicked() ), this, SLOT( slotSendClicked() ) );
    layout->addWidget( btn, 1, 1 );
    QWhatsThis::add( btn, tr( "Click here to send the selected command to the module selected above." ) );

    QTimer *t = new QTimer( this );
    connect( t, SIGNAL( timeout() ), this, SLOT( updateData() ) );
    t->start( 5000 );
	
    updateData();
	
	ModulesDtl = new Detail();
    QWhatsThis::add( ModulesDtl->detailView, tr( "This area shows detailed information about this module." ) );
}

ModulesInfo::~ModulesInfo()
{
}

void ModulesInfo::updateData()
{
    char modname[64];
    char usage[200];
    int modsize, usecount;

    QString selectedmod;
    QListViewItem *curritem = ModulesView->currentItem();
    if ( curritem )
    {
        selectedmod = curritem->text( 0 );
    }
    
    ModulesView->clear();

    FILE *procfile = fopen( ( QString ) ( "/proc/modules"), "r");

    if ( procfile )
    {
        QListViewItem *newitem;
        QListViewItem *selecteditem = 0x0;
        while ( true ) {
            int success = fscanf( procfile, "%s%d%d%[^\n]", modname, &modsize, &usecount, usage );

            if ( success == EOF )
                break;

            QString qmodname = QString( modname );
            QString qmodsize = QString::number( modsize ).rightJustify( 6, ' ' );
            QString qusecount = QString::number( usecount ).rightJustify( 2, ' ' );
            QString qusage = QString( usage );

            newitem = new QListViewItem( ModulesView, qmodname, qmodsize, qusecount, qusage );
            if ( qmodname == selectedmod )
            {
                selecteditem = newitem;
            }
        }
        ModulesView->setCurrentItem( selecteditem );

        fclose( procfile );
    }
}

void ModulesInfo::slotSendClicked()
{
	if ( !ModulesView->currentItem() )
	{
		return;
	}
	
	QString capstr = ChineseAndEnglish( "你真的想执行 %1 到模块?" ).arg( CommandCB->currentText() );

	QString modname = ModulesView->currentItem()->text( 0 );
	switch(ZMessageBox::information ( this, modname, capstr,
         "Yes"," No"))
     {
        case 0:
        	{
        QString command = "/sbin/";
		command.append( CommandCB->currentText() );
		command.append( " " );
		command.append( modname );

        FILE* stream = popen( command, "r" );
        if ( stream )
            pclose( stream );
          }
        case 1:
          {
        break;
          	
          	}
                   
          break;
        };
    
 

}

void ModulesInfo::viewModules( QListViewItem *modules )
{
    QString modname = modules->text( 0 );   
	QString capstr = "Module: ";
	capstr.append( modname );
    ModulesDtl->setCaption( capstr );
    QString command = "/sbin/modinfo ";
	command.append( modname );
    FILE* modinfo = popen( command, "r" );
    
    if ( modinfo )
    {
        char line[200];
        ModulesDtl->detailView->setText( " Details:\n------------\n" );
        
        while( true )
        {        
            int success = fscanf( modinfo, "%[^\n]\n", line );
            if ( success == EOF )
                break;         
            ModulesDtl->detailView->append( line );
        }
        
        pclose( modinfo );
    }

    ModulesDtl->showMaximized();
}