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