author | drw <drw> | 2002-11-17 02:14:03 (UTC) |
---|---|---|
committer | drw <drw> | 2002-11-17 02:14:03 (UTC) |
commit | 9ed0a6022d4c3bcd8428096cdf28cad1e0355ab2 (patch) (side-by-side diff) | |
tree | f84b36548fa91496c0c100c96a3fa1512ec8b108 /noncore/settings/sysinfo/memory.cpp | |
parent | 5a1f5ba99dfb754f1be4500dd55dca42b36413b8 (diff) | |
download | opie-9ed0a6022d4c3bcd8428096cdf28cad1e0355ab2.zip opie-9ed0a6022d4c3bcd8428096cdf28cad1e0355ab2.tar.gz opie-9ed0a6022d4c3bcd8428096cdf28cad1e0355ab2.tar.bz2 |
Start of What's This for Sysinfo, plus some code tweaks
Diffstat (limited to 'noncore/settings/sysinfo/memory.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | noncore/settings/sysinfo/memory.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/noncore/settings/sysinfo/memory.cpp b/noncore/settings/sysinfo/memory.cpp index 781f0df..30d42d5 100644 --- a/noncore/settings/sysinfo/memory.cpp +++ b/noncore/settings/sysinfo/memory.cpp @@ -1,94 +1,98 @@ /********************************************************************** ** Copyright (C) 2000 Trolltech AS. All rights reserved. ** ** This file is part of Qtopia Environment. ** ** 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. ** ** See http://www.trolltech.com/gpl/ for GPL licensing information. ** ** Contact info@trolltech.com if any conditions of this licensing are ** not clear to you. ** **********************************************************************/ #include <qlabel.h> -#include <qtimer.h> #include <qfile.h> -#include <qtextstream.h> #include <qlayout.h> +#include <qtextstream.h> +#include <qtimer.h> +#include <qwhatsthis.h> + #include "graph.h" #include "memory.h" MemoryInfo::MemoryInfo( QWidget *parent, const char *name, WFlags f ) - : QWidget( parent, name, f ) + : QWidget( parent, name, WStyle_ContextHelp ) { QVBoxLayout *vb = new QVBoxLayout( this, 5 ); totalMem = new QLabel( this ); vb->addWidget( totalMem ); data = new GraphData(); // graph = new PieGraph( this ); graph = new BarGraph( this ); graph->setFrameStyle( QFrame::Panel | QFrame::Sunken ); vb->addWidget( graph, 1 ); graph->setData( data ); legend = new GraphLegend( this ); vb->addWidget( legend ); legend->setData( data ); vb->addStretch( 1 ); updateData(); QTimer *t = new QTimer( this ); connect( t, SIGNAL( timeout() ), this, SLOT( updateData() ) ); t->start( 5000 ); + + QWhatsThis::add( this, tr( "This page shows how memory (i.e. RAM) is being allocated on your handheld device.\nMemory is categorized as follows:\n\n1. Used - memory used to by Opie and any running applications.\n2. Buffers - temporary storage used to improve performance\n3. Cached - information that has recently been used, but has not been freed yet.\n4. Free - memory not currently used by Opie or any running applications." ) ); } MemoryInfo::~MemoryInfo() { delete data; } void MemoryInfo::updateData() { QFile file( "/proc/meminfo" ); if ( file.open( IO_ReadOnly ) ) { QTextStream t( &file ); QString dummy = t.readLine(); // title t >> dummy; int total, used, memfree, shared, buffers, cached; t >> total; total /= 1000; t >> used; used /= 1000; t >> memfree; memfree /= 1000; t >> shared; shared /= 1000; t >> buffers; buffers /= 1000; t >> cached; cached /= 1000; int realUsed = total - ( buffers + cached + memfree ); data->clear(); data->addItem( tr("Used (%1 kB)").arg(realUsed), realUsed ); data->addItem( tr("Buffers (%1 kB)").arg(buffers), buffers ); data->addItem( tr("Cached (%1 kB)").arg(cached), cached ); data->addItem( tr("Free (%1 kB)").arg(memfree), memfree ); totalMem->setText( tr( "Total Memory: %1 kB" ).arg( total ) ); graph->repaint( FALSE ); legend->update(); } } |