mainwindow.cpp.bak

这是一个自己开发的键盘驱动代码

/****************************************************************************
** $Id: qt/mainwindow.cpp   3.3.6   edited Aug 31 2005 $
**
** Copyright (C) 1992-2005 Trolltech AS.  All rights reserved.
**
** This file is part of an example program for Qt.  This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/

#include "mainwindow.h"
#include "qfileiconview.h"
#include "../dirview/dirview.h"
#include "icons.h"

#include <qsplitter.h>
#include <qprogressbar.h>
#include <qlabel.h>
#include <qstatusbar.h>
#include <qtoolbar.h>
#include <qpixmap.h>
#include <qtoolbutton.h>
#include <qdir.h>
#include <qfileinfo.h>
#include <qvaluelist.h> 
#include <qstringlist.h>
#include <qevent.h>
#include <qmessagebox.h>

#include <stdlib.h>

FileMainWindow::FileMainWindow()
    : QMainWindow()
{
    setup();
}

void FileMainWindow::show()
{
    QMainWindow::show();
}

void FileMainWindow::setup()
{
		usbMounted = false;
		
		autoTimer = new QTimer( this );
		autoTime = 1500;
		connect( autoTimer, SIGNAL( timeout() ),
	     this, SLOT( usbTest() ) );
		autoTimer->start( autoTime, true );
				
    QSplitter *splitter = new QSplitter( this );

    dirlist = new DirectoryView( splitter, "dirlist", TRUE );
    dirlist->addColumn( "Name" );
    dirlist->addColumn( "Type", 70 );
    dirlist->setColumnAlignment( 1, AlignRight );
    Directory *root = new Directory( dirlist, "/" );
    root->setOpen( true );
    
		QValueList<int> sizeList;
		sizeList.append( 130 );
		splitter->setSizes( sizeList );

    fileview = new QtFileIconView( "/", splitter );
    
    splitter->setResizeMode( dirlist, QSplitter::KeepSize );
    splitter->setOrientation( Vertical );
        
		QToolBar *toolbar2 = new QToolBar( this, "toolbar2" );  
		
    QPixmap pix;

    pix = QPixmap( up_xpm );
    upButton = new QToolButton( pix, "Directory up", QString::null,
				this, SLOT( cdUp() ), toolbar2, "cd up" );
		
		toolbar2->addSeparator();
		
		pix = QPixmap( copy_xpm );
		copyButton = new QToolButton( pix , "Copy", QString::null,
				this, SLOT( copy() ), toolbar2, "copy" );

		pix = QPixmap( cut_xpm );
    cutButton = new QToolButton( pix , "Cut", QString::null,
				this, SLOT( cut() ), toolbar2, "cut" );

		pix = QPixmap( del_xpm );
    delButton = new QToolButton( pix , "Delete", QString::null,
				this, SLOT( del() ), toolbar2, "delete" );

		pix = QPixmap( paste_xpm );
    pasteButton = new QToolButton( pix , "Paste", QString::null,
				this, SLOT( paste() ), toolbar2, "paste" );
				
		toolbar2->addSeparator();
				
    pix = QPixmap( newfolder_xpm );
    mkdirButton = new QToolButton( pix, "New Folder", QString::null,
				   this, SLOT( newFolder() ), toolbar2, "new folder" );

		setCentralWidget( splitter );
		
    connect( dirlist, SIGNAL( folderSelected( const QString & ) ),
	     fileview, SLOT ( setDirectory( const QString & ) ) );
	  connect( fileview, SIGNAL( resetListDir( const QString & ) ) ,
	  	 this, SLOT( resetListDir( const QString & ) ) );
	  connect( fileview, SIGNAL( itemRenamed ( QIconViewItem * ) ),
	  	 this, SLOT( itemRenamed( QIconViewItem * ) ) );
    connect( fileview, SIGNAL( directoryChanged( const QString & ) ),
	     this, SLOT( directoryChanged( const QString & ) ) );
    connect( fileview, SIGNAL( startReadDir( int ) ),
	     this, SLOT( slotStartReadDir( int ) ) );
    connect( fileview, SIGNAL( readNextDir() ),
	     this, SLOT( slotReadNextDir() ) );
    connect( fileview, SIGNAL( readDirDone() ),
	     this, SLOT( slotReadDirDone() ) );

    label = new QLabel( statusBar() );
    statusBar()->addWidget( label, 2, TRUE );
    progress = new QProgressBar( statusBar() );
    statusBar()->addWidget( progress, 1, TRUE );
    
    connect( fileview, SIGNAL( enableUp() ),
	     this, SLOT( enableUp() ) );
    connect( fileview, SIGNAL( disableUp() ),
	     this, SLOT( disableUp() ) );
    connect( fileview, SIGNAL( enableMkdir() ),
	     this, SLOT( enableMkdir() ) );
    connect( fileview, SIGNAL( disableMkdir() ),
	     this, SLOT( disableMkdir() ) );
    connect( fileview, SIGNAL( enablePaste() ),
	     this, SLOT( enablePaste() ) );
    connect( fileview, SIGNAL( disablePaste() ),
	     this, SLOT( disablePaste() ) );
}

void FileMainWindow::directoryChanged( const QString &dir )
{
    setCaption( dir );
    resetListDir( dir );

		if ( dir == "/usr/tam/udisk" ) {
			if ( !usbMounted ) {
				if ( !system( "mount -t vfat -o rw,user /dev/scsi/host0/bus0/target0/lun0/part1 /usr/tam/udisk" ) ) {
					qDebug( "usb mounted" );
					usbMounted = true;
				} else QMessageBox::information( this, "Message", "No UDisk Found", "ok" );
			}
		}
}

void FileMainWindow::slotStartReadDir( int dirs )
{
    label->setText( tr( " Reading Directory..." ) );
    progress->reset();
    progress->setTotalSteps( dirs );
}

void FileMainWindow::slotReadNextDir()
{
    int p = progress->progress();
    progress->setProgress( ++p );
}

void FileMainWindow::slotReadDirDone()
{
    label->setText( tr( " Reading Directory Done." ) );
    progress->setProgress( progress->totalSteps() );
}

void FileMainWindow::cdUp()
{
    QDir dir = fileview->currentDir();
    dir.cd( ".." );
    fileview->setDirectory( dir );
}

void FileMainWindow::copy()
{
	fileview->slotCopy();
}

void FileMainWindow::paste()
{
	fileview->slotPaste( fileview->currentDir().absPath() );
}

void FileMainWindow::cut()
{
	fileview->slotCut();
}

void FileMainWindow::del()
{
		fileview->slotDel();
}

void FileMainWindow::resetListDir( const QString &dir )
{
		dirlist->clear();
    Directory *root = new Directory( dirlist, "/" );
    root->setOpen( true );
    dirlist->setDir( dir );
}

void FileMainWindow::itemRenamed( QIconViewItem *item )
{
		QDir dir = ( (QtFileIconView*)item->iconView() )->currentDir();
		resetListDir( dir.absPath() );
}

void FileMainWindow::newFolder()
{
    fileview->newDirectory();
}

void FileMainWindow::enableUp()
{
    upButton->setEnabled( TRUE );
}

void FileMainWindow::disableUp()
{
    upButton->setEnabled( FALSE );
}

void FileMainWindow::enableMkdir()
{
    mkdirButton->setEnabled( TRUE );
}

void FileMainWindow::disableMkdir()
{
    mkdirButton->setEnabled( FALSE );
}

void FileMainWindow::enablePaste()
{
    pasteButton->setEnabled( TRUE );
}

void FileMainWindow::disablePaste()
{
    pasteButton->setEnabled( FALSE );
}

void FileMainWindow::usbTest()
{
	system( "ls /dev/scsi/host0/bus0/target0/lun0" );
	autoTimer->start( autoTime, true );	
}

void FileMainWindow::keyPressEvent( QKeyEvent *e )
{
		if ( e->key() == Key_Asterisk && usbMounted ) {
			system( "umount /usr/tam/udisk" );
			usbMounted = false;
			QMessageBox::information( this, "Message", "UDisk Unmounted", "ok" );
			qDebug( "usb unmounted" );
		}
}