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path: root/noncore/settings/sysinfo
authormickeyl <mickeyl>2003-11-03 22:29:08 (UTC)
committer mickeyl <mickeyl>2003-11-03 22:29:08 (UTC)
commit28812a7f2c5bd370a55824a73f6a0010f8ea9f7e (patch) (side-by-side diff)
tree0f90e62371740645a631f06c01750b9c2bd7b381 /noncore/settings/sysinfo
parentfd87de118d519108b99125f190f3aa6bd2a0b4cb (diff)
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show swap memory on Memory tab
Diffstat (limited to 'noncore/settings/sysinfo') (more/less context) (ignore whitespace changes)
-rw-r--r--noncore/settings/sysinfo/memory.cpp115
-rw-r--r--noncore/settings/sysinfo/memory.h16
2 files changed, 95 insertions, 36 deletions
diff --git a/noncore/settings/sysinfo/memory.cpp b/noncore/settings/sysinfo/memory.cpp
index 4f612d8..23dd8bd 100644
--- a/noncore/settings/sysinfo/memory.cpp
+++ b/noncore/settings/sysinfo/memory.cpp
@@ -19,17 +19,16 @@
**********************************************************************/
#include <qlabel.h>
+#include <qtimer.h>
#include <qfile.h>
-#include <qlayout.h>
#include <qtextstream.h>
-#include <qtimer.h>
+#include <qlayout.h>
#include <qwhatsthis.h>
-
#include "graph.h"
#include "memory.h"
-MemoryInfo::MemoryInfo( QWidget *parent, const char *name, WFlags )
- : QWidget( parent, name, WStyle_ContextHelp )
+MemoryInfo::MemoryInfo( QWidget *parent, const char *name, WFlags f )
+ : QWidget( parent, name, f )
{
QVBoxLayout *vb = new QVBoxLayout( this, 5 );
@@ -37,7 +36,6 @@ MemoryInfo::MemoryInfo( QWidget *parent, const char *name, WFlags )
vb->addWidget( totalMem );
data = new GraphData();
-// graph = new PieGraph( this );
graph = new BarGraph( this );
graph->setFrameStyle( QFrame::Panel | QFrame::Sunken );
vb->addWidget( graph, 1 );
@@ -47,14 +45,28 @@ MemoryInfo::MemoryInfo( QWidget *parent, const char *name, WFlags )
vb->addWidget( legend );
legend->setData( data );
+ swapMem = new QLabel( this );
+ vb->addWidget( swapMem );
+
+ swapdata = new GraphData();
+ swapgraph = new BarGraph( this );
+ swapgraph->setFrameStyle( QFrame::Panel | QFrame::Sunken );
+ vb->addWidget( swapgraph, 1 );
+ swapgraph->setData( swapdata );
+
+ swaplegend = new GraphLegend( this );
+ vb->addWidget( swaplegend );
+ swaplegend->setData( swapdata );
+
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." ) );
+
+ QWhatsThis::add( this, tr( "This page shows how memory (i.e. RAM) is being allocated on your 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()
@@ -66,33 +78,64 @@ 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();
- }
-}
+ if ( file.open( IO_ReadOnly ) )
+ {
+ QTextStream t( &file );
+ QString dummy = t.readLine(); // title
+ t >> dummy;
+ t >> total;
+ total /= 1000;
+ t >> used;
+ used /= 1000;
+ t >> memfree;
+ memfree /= 1000;
+ t >> shared;
+ shared /= 1000;
+ t >> buffers;
+ buffers /= 1000;
+ t >> cached;
+ cached /= 1000;
+ realUsed = total - ( buffers + cached + memfree );
+
+ totalMem->setText( tr( "Total Memory: %1 kB" ).arg( total ) );
+ 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 );
+
+ graph->hide();
+ graph->show();
+ legend->update();
+ // swapfile
+ t >> dummy;
+ t >> swaptotal;
+ swaptotal /= 1000;
+ t >> swapused;
+ swapused /= 1000;
+ t >> swapfree;
+ swapfree /= 1000;
+ if (swaptotal > 0)
+ {
+ swapMem->setText( tr( "Total Swap: %1 kB" ).arg( swaptotal ) );
+ swapdata->clear();
+ swapdata->addItem( tr("Used (%1 kB)").arg(swapused), swapused );
+ swapdata->addItem( tr("Free (%1 kB)").arg(swapfree), swapfree );
+
+ swapMem->show();
+ swapgraph->show();
+ swaplegend->show();
+
+ swapgraph->repaint( FALSE );
+ swaplegend->update();
+ }
+ else
+ {
+ swapMem->hide();
+ swapgraph->hide();
+ swaplegend->hide();
+ }
+ }
+}
diff --git a/noncore/settings/sysinfo/memory.h b/noncore/settings/sysinfo/memory.h
index 696f97c..c2af948 100644
--- a/noncore/settings/sysinfo/memory.h
+++ b/noncore/settings/sysinfo/memory.h
@@ -35,6 +35,17 @@ public:
MemoryInfo( QWidget *parent = 0, const char *name = 0, WFlags f = 0 );
~MemoryInfo();
+ unsigned long total;
+ unsigned long used;
+ unsigned long memfree;
+ unsigned long shared;
+ unsigned long buffers;
+ unsigned long cached;
+ unsigned long realUsed;
+ unsigned long swaptotal;
+ unsigned long swapused;
+ unsigned long swapfree;
+
private slots:
void updateData();
@@ -43,6 +54,11 @@ private:
GraphData *data;
Graph *graph;
GraphLegend *legend;
+
+ QLabel* swapMem;
+ GraphData *swapdata;
+ Graph *swapgraph;
+ GraphLegend *swaplegend;
};
#endif