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krusader/krusader/MountMan/kmountmangui.cpp

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/***************************************************************************
kmountmangui.cpp
-------------------
copyright : (C) 2000 by Shie Erlich & Rafi Yanai
e-mail : krusader@users.sourceforge.net
web site : http://krusader.sourceforge.net
---------------------------------------------------------------------------
Description
***************************************************************************
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***************************************************************************
* *
* 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 "kmountmangui.h"
#include "kmountman.h"
#include "../krusader.h"
#include "../Dialogs/krspecialwidgets.h"
#include "../kicons.h"
#include "../defaults.h"
#include "../VFS/vfs.h"
#include <tdelocale.h>
#include <tqpixmap.h>
#include <tdepopupmenu.h>
#include <tqbitmap.h>
#include <tdemessagebox.h>
#include <tqlayout.h>
#include <tqgroupbox.h>
#include <kprocess.h>
#include <tqcursor.h>
#include <kdebug.h>
#include <kguiitem.h>
#include <tqfileinfo.h>
#include <sys/param.h>
#if defined(BSD)
#include <kmountpoint.h>
#include <kmdcodec.h>
#else
#define MTAB "/etc/mtab"
#endif
// use our version of it until kde fixes theirs
#include "kdiskfreesp.h"
KMountManGUI::KMountManGUI() : KDialogBase( krApp, 0, true, "Mount.Man" ),
info( 0 ), mountList( 0 ) {
watcher = new TQTimer( this );
connect( watcher, TQ_SIGNAL( timeout() ), this, TQ_SLOT( checkMountChange() ) );
connect( this, TQ_SIGNAL( finishedGettingSpaceData() ), this, TQ_SLOT( updateList() ) );
setButtonOK( i18n( "&Close" ) );
showButtonApply( false ); showButtonCancel( false );
setPlainCaption( i18n( "MountMan - Your Mount-Manager" ) );
widget = new KJanusWidget( this, 0, KJanusWidget::Tabbed );
createLayout();
setMainWidget( widget );
widget->setMinimumSize( widget->sizeHint().width() + mountList->columnWidth( 5 ),
widget->sizeHint().height() );
setMinimumSize( widget->minimumSize().width(), widget->minimumSize().height() );
resize( minimumSize() );
// connections
connect( mountList, TQ_SIGNAL( doubleClicked( TQListViewItem * ) ), this,
TQ_SLOT( doubleClicked( TQListViewItem* ) ) );
connect( mountList, TQ_SIGNAL( contextMenuRequested( TQListViewItem *, const TQPoint &, int ) ),
this, TQ_SLOT( clicked( TQListViewItem*, const TQPoint&, int ) ) );
connect( mountList, TQ_SIGNAL( clicked( TQListViewItem * ) ), this,
TQ_SLOT( changeActive( TQListViewItem * ) ) );
connect( mountList, TQ_SIGNAL( selectionChanged( TQListViewItem * ) ), this,
TQ_SLOT( changeActive( TQListViewItem * ) ) );
getSpaceData();
exec();
}
KMountManGUI::~KMountManGUI() {
watcher->stop();
delete watcher;
}
void KMountManGUI::createLayout() {
mainPage = widget->addPage( i18n( "Filesystems" ), 0 );
createMainPage();
widget->showPage( Filesystems );
}
void KMountManGUI::createMainPage() {
// check if we need to clean up first!
if ( mountList != 0 ) {
mountList->hide();
delete mountList;
mountList = 0;
}
// clean up is finished...
TQGridLayout *layout = new TQGridLayout( mainPage, 1, 1 );
mountList = new TQListView( mainPage ); // create the main container
krConfig->setGroup( "Look&Feel" );
mountList->setFont( krConfig->readFontEntry( "Filelist Font", _FilelistFont ) );
mountList->setAllColumnsShowFocus( true );
mountList->setMultiSelection( false );
mountList->setSelectionMode( TQListView::Single );
mountList->setVScrollBarMode( TQScrollView::AlwaysOn );
mountList->setHScrollBarMode( TQScrollView::Auto );
mountList->setShowSortIndicator( true );
int i = TQFontMetrics( mountList->font() ).width( "W" );
int j = TQFontMetrics( mountList->font() ).width( "0" );
j = ( i > j ? i : j );
mountList->addColumn( i18n( "Name" ), j * 8 );
mountList->addColumn( i18n( "Type" ), j * 4 );
mountList->addColumn( i18n( "Mnt.Point" ), j * 6 );
mountList->addColumn( i18n( "Total Size" ), j * 6 );
mountList->addColumn( i18n( "Free Size" ), j * 6 );
mountList->addColumn( i18n( "Free %" ), j * 5 );
mountList->setColumnWidthMode( 0, TQListView::Maximum );
mountList->setColumnWidthMode( 1, TQListView::Maximum );
mountList->setColumnWidthMode( 2, TQListView::Maximum );
mountList->setColumnWidthMode( 3, TQListView::Maximum );
mountList->setColumnWidthMode( 4, TQListView::Maximum );
mountList->setColumnWidthMode( 5, TQListView::Maximum );
// now the list is created, time to fill it with data.
//=>krMtMan.forceUpdate();
TQGroupBox *box = new TQGroupBox( "MountMan.Info", mainPage );
box->setAlignment( TQt::AlignHCenter );
info = new KRFSDisplay( box );
info->resize( info->width(), height() );
layout->addWidget( box, 0, 0 );
layout->addWidget( mountList, 0, 1 );
}
void KMountManGUI::getSpaceData() {
fileSystemsTemp.clear();
KrMountDetector::getInstance()->hasMountsChanged();
mounted = KMountPoint::currentMountPoints();
possible = KMountPoint::possibleMountPoints();
if ( mounted.size() == 0 ) { // nothing is mounted
updateList(); // let's continue
return ;
}
numOfMountPoints = mounted.size();
for ( KMountPoint::List::iterator it = mounted.begin(); it != mounted.end(); ++it ) {
// don't bother with invalid file systems
if (krMtMan.invalidFilesystem((*it)->mountType())) {
--numOfMountPoints;
continue;
}
KDiskFreeSp *sp = KDiskFreeSp::findUsageInfo( ( *it ) ->mountPoint() );
connect( sp, TQ_SIGNAL( foundMountPoint( const TQString &, unsigned long, unsigned long, unsigned long ) ),
this, TQ_SLOT( gettingSpaceData( const TQString&, unsigned long, unsigned long, unsigned long ) ) );
connect( sp, TQ_SIGNAL( done() ), this, TQ_SLOT( gettingSpaceData() ) );
}
}
// this decrements the counter, while the following uses the data
// used when certain filesystem (/dev, /sys) can't have the needed stats
void KMountManGUI::gettingSpaceData() {
if ( --numOfMountPoints == 0 ) {
fileSystems = fileSystemsTemp;
emit finishedGettingSpaceData();
}
}
void KMountManGUI::gettingSpaceData( const TQString &mountPoint, unsigned long kBSize,
unsigned long /*kBUsed*/, unsigned long kBAvail ) {
KMountPoint *m = KMountMan::findInListByMntPoint( mounted, mountPoint );
if ( !m ) { // this should never never never happen!
KMessageBox::error( 0, i18n( "Critical Error" ),
i18n( "Internal error in MountMan\nPlease email the developers" ) );
exit( 1 );
}
fsData data;
data.setMntPoint( mountPoint );
data.setMounted( true );
data.setTotalBlks( kBSize );
data.setFreeBlks( kBAvail );
data.setName( m->mountedFrom() );
data.setType( m->mountType() );
fileSystemsTemp.append( data );
}
void KMountManGUI::addItemToMountList( TQListView *lst, fsData &fs ) {
bool mtd = fs.mounted();
TQString tSize = TQString( "%1" ).arg( TDEIO::convertSizeFromKB( fs.totalBlks() ) );
TQString fSize = TQString( "%1" ).arg( TDEIO::convertSizeFromKB( fs.freeBlks() ) );
TQString sPrct = TQString( "%1%" ).arg( 100 - ( fs.usedPerct() ) );
TQListViewItem *item = new TQListViewItem( lst, fs.name(),
fs.type(), fs.mntPoint(),
( mtd ? tSize : TQString( "N/A" ) ), ( mtd ? fSize : TQString( "N/A" ) ),
( mtd ? sPrct : TQString( "N/A" ) ) );
TQString id = fs.name().left(7); // only works assuming devices start with "/dev/XX"
TQPixmap *icon = 0;
if ( id == "/dev/fd") {
icon = new TQPixmap( LOADICON( mtd ? "media-floppy-3_5-mounted" : "media-floppy-3_5-unmounted" ) );
} else if ( id == "/dev/cd" || fs.type() == "iso9660" ) {
icon = new TQPixmap( LOADICON( mtd ? "media-optical-cdrom-mounted" : "media-optical-cdrom-unmounted" ) );
} else if ( fs.type() == "nfs" || fs.type() == "smbfs" ) {
icon = new TQPixmap( LOADICON( mtd ? "nfs-mounted" : "nfs-unmounted" ) );
} else icon = new TQPixmap( LOADICON( mtd ? "drive-harddisk-mounted" : "drive-harddisk-unmounted" ) );
item->setPixmap( 0, *icon );
delete icon;
}
void KMountManGUI::updateList() {
mountList->clear();
// this handles the mounted ones
for ( TQValueList<fsData>::iterator it = fileSystems.begin(); it != fileSystems.end() ; ++it ) {
if (krMtMan.invalidFilesystem((*it).type())) {
continue;
}
addItemToMountList( mountList, *it );
}
// now, handle the non-mounted ones
for (KMountPoint::List::iterator it = possible.begin(); it != possible.end(); ++it) {
// make sure we don't add things we've already added
if (KMountMan::findInListByMntPoint(mounted, (*it)->mountPoint())) {
continue;
} else {
fsData data;
data.setMntPoint((*it)->mountPoint());
data.setMounted(false);
data.setType((*it)->mountType());
data.setName((*it)->mountedFrom());
fileSystems.append(data);
if (krMtMan.invalidFilesystem(data.type())) continue;
addItemToMountList(mountList, data);
}
}
mountList->clearSelection();
if ( info ) {
info->setEmpty( true );
info->repaint();
}
watcher->start( WATCHER_DELAY, true ); // starting the watch timer ( single shot )
}
void KMountManGUI::checkMountChange() {
if (KrMountDetector::getInstance()->hasMountsChanged())
getSpaceData();
watcher->start( WATCHER_DELAY, true ); // starting the watch timer ( single shot )
}
void KMountManGUI::doubleClicked( TQListViewItem *i ) {
if ( !i )
return; // we don't want to refresh to swap, do we ?
// change the active panel to this mountpoint
connect( ( TQObject* ) this, TQ_SIGNAL( refreshPanel( const KURL & ) ), ( TQObject* ) SLOTS,
TQ_SLOT( refresh( const KURL & ) ) );
emit refreshPanel( vfs::fromPathOrURL( i->text(2) ) ); // text(2) ? so ugly ...
disconnect( this, TQ_SIGNAL( refreshPanel( const KURL & ) ), 0, 0 );
slotClose();
}
// when user clicks on a filesystem, change information
void KMountManGUI::changeActive( TQListViewItem *i ) {
if ( !i ) return ;
fsData *system = 0;
for (TQValueList<fsData>::Iterator it = fileSystems.begin(); it != fileSystems.end(); ++it) {
// the only thing which is unique is the mount point
if ((*it).mntPoint() == i->text(2)) { // text(2) ? ugly ugly ugly
system = &(*it);
break;
}
}
if (system == 0) {
KMessageBox::error(0, i18n("Critical Error"), i18n("Internal error in MountMan\nCall the developers"));
exit(1);
}
info->setAlias( system->mntPoint() );
info->setRealName( system->name() );
info->setMounted( system->mounted() );
info->setEmpty( false );
info->setTotalSpace( system->totalBlks() );
info->setFreeSpace( system->freeBlks() );
info->repaint();
}
// called when right-clicked on a filesystem
void KMountManGUI::clicked( TQListViewItem *item, const TQPoint& pos, int /* col */ ) {
// these are the values that will exist in the menu
#define MOUNT_ID 90
#define UNMOUNT_ID 91
#define FORMAT_ID 93
#define EJECT_ID 94
//////////////////////////////////////////////////////////
if ( !item ) return ;
fsData *system = 0;
for (TQValueList<fsData>::Iterator it = fileSystems.begin(); it != fileSystems.end(); ++it) {
// the only thing which is unique is the mount point
if ((*it).mntPoint() == item->text(2)) { // text(2) ? ugly ugly ugly
system = &(*it);
break;
}
}
if ( !system ) {
KMessageBox::error( 0, i18n( "MountMan has an internal error. Please notify the developers. Thank you." ) );
exit( 0 );
}
// create the menu
TDEPopupMenu popup;
popup.insertTitle( i18n( "MountMan" ) );
if ( !system->mounted() ) {
popup.insertItem( i18n( "Mount" ), MOUNT_ID );
bool enable = !(krMtMan.nonmountFilesystem(system->type(), system->mntPoint()));
popup.setItemEnabled( MOUNT_ID, enable);
} else {
popup.insertItem( i18n( "Unmount" ), UNMOUNT_ID );
bool enable = !(krMtMan.nonmountFilesystem(system->type(), system->mntPoint()));
popup.setItemEnabled( UNMOUNT_ID, enable);
}
if ( krMtMan.ejectable( system->mntPoint() ) )
// if (system->type()=="iso9660" || krMtMan.followLink(system->name()).left(2)=="cd")
popup.insertItem( i18n( "Eject" ), EJECT_ID );
else {
popup.insertItem( i18n( "Format" ), FORMAT_ID );
popup.setItemEnabled( FORMAT_ID, false );
}
TQString mountPoint = system->mntPoint();
int result = popup.exec( pos );
// check out the user's option
switch ( result ) {
case - 1 : return ; // the user clicked outside of the menu
case MOUNT_ID :
case UNMOUNT_ID :
krMtMan.toggleMount( mountPoint );
break;
case FORMAT_ID :
break;
case EJECT_ID :
KMountMan::eject( mountPoint );
break;
}
}
KrMountDetector::KrMountDetector() {
hasMountsChanged();
}
bool KrMountDetector::hasMountsChanged() {
#if defined(BSD)
KMountPoint::List mountPoints = KMountPoint::currentMountPoints(KMountPoint::NeedRealDeviceName);
KMD5 md5;
for(KMountPoint::List::iterator i = mountPoints.begin(); i != mountPoints.end(); ++i) {
md5.update((*i)->mountedFrom().utf8());
md5.update((*i)->realDeviceName().utf8());
md5.update((*i)->mountPoint().utf8());
md5.update((*i)->mountType().utf8());
}
TQString s = md5.hexDigest();
bool result = s != checksum;
checksum = s;
#else
bool result = TQFileInfo(MTAB).lastModified() != lastMtab;
lastMtab = TQFileInfo(MTAB).lastModified();
#endif
return result;
}
KrMountDetector krMountDetector;
KrMountDetector * KrMountDetector::getInstance() {
return & krMountDetector;
}
#include "kmountmangui.moc"