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tdeutils/kdf/kdfwidget.cpp

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/*
* kdfwidget.cpp
*
* Copyright (c) 1998-2001 Michael Kropfberger <michael.kropfberger@gmx.net>
*
* Requires the TQt widget libraries, available at no cost at
* http://www.troll.no/
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
//
// 1999-11-29 Espen Sand
// Converted to TQLayout and TQListView + cleanups
// 1999-12-05 Espen Sand
// Usage bars should work again.
//
#include <stdlib.h>
#include <tqheader.h>
#include <tqtimer.h>
#include <tqlayout.h>
#include <tqpainter.h>
#include <tdeapplication.h>
#include <kcmenumngr.h>
#include <tdemessagebox.h>
#include <tdepopupmenu.h>
#include <kprocess.h>
#include "listview.h"
#include "kdfwidget.h"
#include "optiondialog.h"
#define BAR_COLUMN 7
#define FULL_PERCENT 95.0
#ifndef GUI_DEFINED
static bool GUI;
#define GUI_DEFINED
#endif
/**************************************************************/
CListViewItem::CListViewItem( CListView * parent, TQListViewItem * after )
:TQListViewItem( parent, after )
{}
int CListViewItem::compare ( TQListViewItem *i, int column, bool ) const
{
TQString tmp;
CListViewItem *c = static_cast<CListViewItem*>(i);
switch (column) {
case KDFWidget::sizeCol:
return (size==c->size) ? 0 : (size<c->size) ? -1 : 1;
case KDFWidget::freeCol:
return (avail==c->avail) ? 0 : (avail<c->avail) ? -1 : 1;
case KDFWidget::fullCol:
case KDFWidget::usageCol:
return (full==c->full) ? 0 : (full<c->full) ? -1 : 1;
default:
return key(column,true).compare(i->key(column,true));
}
}
void CListViewItem::setKeys (int kb_size, int kb_avail, float percent_full)
{
size = kb_size;
avail = kb_avail;
full = (percent_full >= 0.) ? percent_full : 0.;
return;
}
/**************************************************************/
KDFWidget::KDFWidget( TQWidget *parent, const char *name, bool init )
: TQWidget(parent, name), mOptionDialog(0), mPopup(0), mTimer(0)
{
connect(&mDiskList , TQ_SIGNAL(readDFDone() ),
this, TQ_SLOT (updateDFDone()) );
connect(&mDiskList , TQ_SIGNAL(criticallyFull(DiskEntry*)),
this, TQ_SLOT (criticallyFull(DiskEntry*)) );
mTabProp.resize(8);
mTabProp[0] = new CTabEntry( "Icon", i18n("Icon"), true, 32);
mTabProp[1] = new CTabEntry( "Device", i18n("Device"), true, 80);
mTabProp[2] = new CTabEntry( "Type", i18n("Type"), true, 50);
mTabProp[3] = new CTabEntry( "Size", i18n("Size"), true, 72);
mTabProp[4] = new CTabEntry( "MountPoint", i18n("Mount Point"), true, 90 );
mTabProp[5] = new CTabEntry( "Free", i18n("Free"), true, 55);
// xgettext:no-c-format
mTabProp[6] = new CTabEntry( "Full%", i18n("Full %"), true, 70);
mTabProp[7] = new CTabEntry( "UsageBar", i18n("Usage"), true, 100);
GUI = !init;
if( GUI )
{
TQVBoxLayout *topLayout = new TQVBoxLayout( this, 0, 0 );
mList = new CListView( this, "list" );
topLayout->addWidget( mList );
mList->setAllColumnsShowFocus( true );
mList->setFrameStyle( TQFrame::WinPanel + TQFrame::Sunken );
mList->setShowSortIndicator(true);
connect( mList,
TQ_SIGNAL( rightButtonPressed( TQListViewItem *, const TQPoint &, int )),
this, TQ_SLOT( rightButtonPressed( TQListViewItem *, const TQPoint &, int )));
connect( mList,
TQ_SIGNAL( rightButtonClicked( TQListViewItem *, const TQPoint &, int )),
this, TQ_SLOT( rightButtonClicked( TQListViewItem *, const TQPoint &, int )));
connect( mList->header(), TQ_SIGNAL(sizeChange(int, int, int)),
this, TQ_SLOT(columnSizeChanged(int, int, int)) );
makeColumns();
mIsTopLevel = TQString(parent->className()) == "KDFTopLevel" ? true : false;
}
loadSettings();
if( init == true )
{
applySettings();
}
}
KDFWidget::~KDFWidget()
{
}
void KDFWidget::makeColumns( void )
{
uint i;
//
// 1999-11-29 Espen Sand
// This smells like a bad hack but I need to remove the headers
// first. If I don't, the list look like shit afterwards. The iterator
// is just used to prevent an endless loop. With my TQt (1999-11-10 ?)
// I only need as many iterations as there are header items but who knows
// what a new TQt can do!
//
for( i=1000; mList->header()->count() > 0 && i>0; i-- )
{
mList->header()->removeLabel( 0 );
mList->header()->update();
}
for( i=0; i<mTabProp.size(); mList->removeColumn(i++) );
mList->clear();
for( i=0; i<mTabProp.size(); i++ )
{
CTabEntry &e = *mTabProp[i];
if( e.mVisible == true )
mList->addColumn( e.mName, e.mWidth );
else
mList->addColumn( e.mName, 0 ); // zero width makes it invisible
}
}
/******************************************************************/
void KDFWidget::closeEvent(TQCloseEvent *)
{
applySettings();
kapp->quit();
}
void KDFWidget::settingsChanged( void )
{
applySettings();
loadSettings();
}
/***************************************************************************
* writes the TDEConfig
**/
void KDFWidget::applySettings( void )
{
TDEConfig &config = *kapp->config();
config.setGroup("KDiskFree");
if( GUI )
{
for( uint i=0; i<mTabProp.size(); i++ )
{
CTabEntry &e = *mTabProp[i];
if( e.mVisible == true )
{
e.mWidth = mList->columnWidth(i);
}
config.writeEntry( e.mRes, e.mWidth );
}
}
config.sync();
updateDF();
}
/***************************************************************************
* reads the TDEConfig
**/
void KDFWidget::loadSettings( void )
{
mStd.updateConfiguration();
if(GUI)
{
TDEConfig &config = *kapp->config();
config.setGroup("KDiskFree");
for( uint i=0; i<mTabProp.size(); i++ )
{
CTabEntry &e = *mTabProp[i];
e.mWidth = config.readNumEntry( e.mRes, e.mWidth );
}
if (mTabProp[usageCol]->mWidth > 16)
mTabProp[usageCol]->mWidth -= 16;
config.setGroup("KDFConfig");
for( uint i=0; i<mTabProp.size(); i++ )
{
CTabEntry &e = *mTabProp[i];
e.mVisible = config.readBoolEntry( e.mRes, e.mVisible );
}
makeColumns();
setUpdateFrequency( mStd.updateFrequency() );
updateDF();
}
}
/***************************************************************************
* pops up the SettingsBox if the settingsBtn is clicked
**/
void KDFWidget::settingsBtnClicked( void )
{
if( mIsTopLevel == true )
{
if( mOptionDialog == 0 )
{
mOptionDialog = new COptionDialog( this, "options", false );
if( mOptionDialog == 0 ) { return; }
connect( mOptionDialog, TQ_SIGNAL(valueChanged()),
this, TQ_SLOT(settingsChanged()) );
}
mOptionDialog->show();
}
}
/***************************************************************************
* resets the timer for automatic df-refreshes
**/
void KDFWidget::setUpdateFrequency( int frequency )
{
//
// Kill current timer and restart it if the frequency is
// larger than zero.
//
this->killTimers();
if( frequency > 0 )
{
startTimer( frequency * 1000 );
}
}
/***************************************************************************
* Update (reread) all disk-dependencies
**/
void KDFWidget::timerEvent(TQTimerEvent *)
{
updateDF();
}
/***************************************************************************
* checks fstab & df
**/
void KDFWidget::updateDF( void )
{
//
// We can only do this if the popupmenu is not present
//
if( mPopup == 0 )
{
readingDF = TRUE;
mDiskList.readFSTAB();
mDiskList.readDF();
}
}
/***************************************************************************
* gets the signal when the diskList is complete and up to date
**/
void KDFWidget::updateDFDone( void ){
if (mPopup) //The popup menu is ont he screen... Don't touch the list view...
return;
mList->clear();
int i=0;
CListViewItem *item = 0;
for( DiskEntry *disk=mDiskList.first(); disk!=0; disk=mDiskList.next() )
{
i++;
TQString size, percent;
if( disk->kBSize() > 0 )
{
percent = TDEGlobal::locale()->formatNumber(disk->percentFull(), 1) + '%';
size = disk->prettyKBSize();
}
else
{
percent = i18n("N/A");
size = i18n("N/A");
}
int k=0;
item = new CListViewItem( mList, item );
bool root = disk->mountOptions().find("user",0,false)==-1 ? true : false;
item->setPixmap( k++, mList->icon( disk->iconName(), root ) );
item->setText( k++, disk->deviceName() );
item->setText( k++, disk->fsType() );
item->setText( k++, size );
item->setText( k++, disk->mountPoint() );
item->setText( k++, disk->prettyKBAvail() );
item->setText( k++, percent );
item->setKeys( disk->kBSize(), disk->kBAvail(), disk->percentFull());
}
readingDF = false;
updateDiskBarPixmaps();
mList->sort();
}
/***************************************************************************
* Update display
**/
void KDFWidget::resizeEvent( TQResizeEvent * )
{
updateDiskBarPixmaps();
}
/**************************************************************************
* connected with diskList
**/
void KDFWidget::criticallyFull( DiskEntry *disk )
{
if( mStd.popupIfFull() == true )
{
TQString msg = i18n("Device [%1] on [%2] is getting critically full!").
arg(disk->deviceName()).arg(disk->mountPoint());
KMessageBox::sorry( this, msg, i18n("Warning"));
}
}
/**************************************************************************
* find correct disk related to list item
**/
DiskEntry *KDFWidget::selectedDisk( TQListViewItem *item )
{
if( item == 0 )
{
item = mList->selectedItem();
}
if( item == 0 )
{
return(0);
}
DiskEntry disk(item->text(deviceCol));
disk.setMountPoint(item->text(mntCol));
// I can't get find() to work. The Disks::compareItems(..) is
// never called.
//
//int pos=mDiskList->find(disk);
int pos = -1;
for( u_int i=0; i<mDiskList.count(); i++ )
{
DiskEntry *item = mDiskList.at(i);
int res = disk.deviceName().compare( item->deviceName() );
if( res == 0 )
{
res = disk.mountPoint().compare( item->mountPoint() );
}
if( res == 0 )
{
pos = i;
break;
}
}
return mDiskList.at(pos);
// return(0);
}
void KDFWidget::rightButtonPressed( TQListViewItem *item, const TQPoint &p, int )
{
if( KContextMenuManager::showOnButtonPress() == true )
{
popupMenu( item, p );
}
}
void KDFWidget::rightButtonClicked( TQListViewItem *item, const TQPoint &p, int )
{
if( KContextMenuManager::showOnButtonPress() == false )
{
popupMenu( item, p );
}
}
/**************************************************************************
* pops up and asks for mount/umount right-clicked device
**/
void KDFWidget::popupMenu( TQListViewItem *item, const TQPoint &p )
{
if (mPopup) //The user may even be able to popup another menu while this open is active...
return;
//
// The list update will be disabled as long as this menu is
// visible. Reason: The 'disk' may no longer be valid.
//
mDiskList.setUpdatesDisabled(true);
DiskEntry *disk = selectedDisk( item );
if( disk == 0 )
{
return;
}
mPopup = new TDEPopupMenu( 0 );
mPopup->insertTitle( disk->mountPoint() );
mPopup->insertItem( i18n("Mount Device"), 0 );
mPopup->insertItem( i18n("Unmount Device"), 1 );
mPopup->insertSeparator();
mPopup->insertItem( i18n("Open in File Manager"), 2 );
mPopup->setItemEnabled( 0, disk->mounted() ? false : true );
mPopup->setItemEnabled( 1, disk->mounted() );
mPopup->setItemEnabled( 2, disk->mounted() );
int position = mPopup->exec( p );
bool openFileManager = false;
if( position == -1 )
{
mDiskList.setUpdatesDisabled(false);
delete mPopup; mPopup = 0;
return;
}
else if( position == 0 || position == 1 )
{
item->setText( sizeCol, i18n("MOUNTING") );
item->setText( freeCol, i18n("MOUNTING") );
item->setPixmap( 0, mList->icon( "mini-clock", false ) );
int val = disk->toggleMount();
if( val != 0 /*== false*/ )
{
KMessageBox::error( this, disk->lastSysError() );
}
else if ( ( mStd.openFileManager() == true)
&& (position == 0) ) //only on mount
{
openFileManager = true;
}
delete item;
mDiskList.deleteAllMountedAt(disk->mountPoint());
}
else if( position == 2 )
{
openFileManager = true;
}
if( openFileManager == true )
{
kdDebug() << "opening filemanager" << endl;
if( mStd.fileManager().isEmpty() == false )
{
TQString cmd = mStd.fileManager();
int pos = cmd.find("%m");
if( pos > 0 )
{
cmd = cmd.replace( pos, 2, TDEProcess::quote(disk->mountPoint()) ) + " &";
}
else
{
cmd += " " + TDEProcess::quote(disk->mountPoint()) +" &";
}
system( TQFile::encodeName(cmd) );
}
}
//Update only here as showing of error message triggers event loop.
mDiskList.setUpdatesDisabled(false);
delete mPopup; mPopup = 0;
if( position != 2 ) // No need to update when just opening the fm.
{
updateDF();
}
}
/**************************************************************************
* recalculates and repaints the pixBars
**/
void KDFWidget::updateDiskBarPixmaps( void )
{
if (mTabProp[usageCol]->mVisible != true)
return;
int size=0, w=0;
for(uint i=0; i<mTabProp.size()-1; i++ )
size += mList->columnWidth(i);
w=mList->width() - size - 4;
if (w<0)
w=0;
mList->setColumnWidth(usageCol, w );
int h = mList->fontMetrics().lineSpacing()-2;
if( h <= 0 )
{
return;
}
int i=0;
for(TQListViewItem *it=mList->firstChild(); it!=0;it=it->nextSibling(),i++ )
{
// I can't get find() to work. The Disks::compareItems(..) is
// never called.
//
//int pos=mDiskList->find(disk);
DiskEntry dummy(it->text(deviceCol));
dummy.setMountPoint(it->text(mntCol));
int pos = -1;
for( u_int i=0; i<mDiskList.count(); i++ )
{
DiskEntry *item = mDiskList.at(i);
int res = dummy.deviceName().compare( item->deviceName() );
if( res == 0 )
{
res = dummy.mountPoint().compare( item->mountPoint() );
}
if( res == 0 )
{
pos = i;
break;
}
}
DiskEntry *disk = mDiskList.at(pos);
if( disk == 0 ) { continue; }
if( disk->mounted() == true && disk->percentFull() != -1 )
{
int w = mList->columnWidth(usageCol)-2;
if( w <= 0 ) { continue; }
TQPixmap *pix = new TQPixmap( w, h );
if( pix == 0 ) { continue; }
pix->fill(white);
TQPainter p(pix);
p.setPen(black);
p.drawRect(0,0,w,h);
TQColor c;
if ( (disk->iconName().find("cdrom") != -1)
|| (disk->iconName().find("writer") != -1) )
c = gray;
else
c = disk->percentFull() > FULL_PERCENT ? red : darkGreen;
p.setBrush(c );
p.setPen(white);
p.drawRect(1,1,(int)(((float)pix->width()-2)*(disk->percentFull()/100)),
pix->height()-2);
it->setPixmap ( usageCol, *pix );
p.end();
delete pix;
}
}
}
void KDFWidget::columnSizeChanged( int, int, int )
{
if( mTimer == 0 )
{
mTimer = new TQTimer( this );
connect( mTimer, TQ_SIGNAL(timeout()), this, TQ_SLOT(updateDiskBarPixmaps()) );
}
else if( mTimer->isActive() == true )
{
mTimer->stop();
}
mTimer->start( 10, true );
}
void KDFWidget::invokeHelp()
{
kapp->invokeHelp("", "kcontrol/kdf");
}
#include "kdfwidget.moc"
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