Show the user count of DHT in an userfriendly format.

Hide user count when DHT is off.

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@3761 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/gui/statusbar/dhtstatus.cpp

@@ -28,6 +28,8 @@
 #include "retroshare/rsiface.h"
 #include "retroshare/rspeers.h"
 
+#include "util/misc.h"
+
 #include <sstream>
 #include <iomanip>
 
@@ -46,13 +48,16 @@ DHTStatus::DHTStatus(QWidget *parent)
     hbox->addWidget(dhtstatusLabel);
     
     spaceLabel = new QLabel( " | ", this );
+    spaceLabel->setVisible(false);
     hbox->addWidget(spaceLabel);
 
     dhtnetworkLabel = new QLabel( this );
+    dhtnetworkLabel->setVisible(false);
     dhtnetworkLabel->setPixmap(QPixmap(":/images/dht16.png"));
     hbox->addWidget(dhtnetworkLabel);
 
     dhtnetworksizeLabel = new QLabel( "0 (0) ",this );
+    dhtnetworksizeLabel->setVisible(false);
     hbox->addWidget(dhtnetworksizeLabel);
 
     hbox->addSpacing(2);
@@ -71,22 +76,26 @@ void DHTStatus::getDHTStatus()
     {
         dhtstatusLabel->setPixmap(QPixmap(":/images/greenled.png"));
         dhtstatusLabel->setToolTip(tr("DHT On"));
+
+        spaceLabel->setVisible(true);
+        dhtnetworkLabel->setVisible(true);
+        dhtnetworksizeLabel->setVisible(true);
+
+        dhtnetworksizeLabel->setText(QString("%1 (%2)").arg(misc::userFriendlyUnit(config.netDhtRsNetSize, 1)).arg(misc::userFriendlyUnit(config.netDhtNetSize, 1)));
+        dhtnetworksizeLabel->setToolTip(tr("RetroShare users in DHT (Total DHT users)") );
     }
     else
     {
         dhtstatusLabel->setPixmap(QPixmap(":/images/redled.png"));
         dhtstatusLabel->setToolTip(tr("DHT Off"));
-    }
 
-    QString dhtsize;
+        spaceLabel->setVisible(false);
-    {
+        dhtnetworkLabel->setVisible(false);
-	std::ostringstream out;
+        dhtnetworksizeLabel->setVisible(false);
-	out << (int) config.netDhtRsNetSize << " ( " << (int) config.netDhtNetSize << " )";
-	dhtsize = QString::fromStdString(out.str());
-    }
 
-    dhtnetworksizeLabel->setText(dhtsize);
+        dhtnetworksizeLabel->setText("");
-    dhtnetworksizeLabel->setToolTip(tr("RetroShare users in DHT (Total DHT users)") );
+        dhtnetworksizeLabel->setToolTip("");
+    }
 
     rsiface->unlockData(); /* UnLock Interface */
 }

retroshare-gui/src/lang/retroshare_de.ts

@@ -2608,22 +2608,22 @@ p, li { white-space: pre-wrap; }
 <context>
     <name>DHTStatus</name>
     <message>
-        <location filename="../gui/statusbar/dhtstatus.cpp" line="+41"/>
+        <location filename="../gui/statusbar/dhtstatus.cpp" line="+43"/>
         <source>DHT</source>
         <translation>DHT</translation>
     </message>
     <message>
-        <location line="+32"/>
+        <location line="+35"/>
         <source>DHT On</source>
         <translation>DHT An</translation>
     </message>
     <message>
-        <location line="+5"/>
+        <location line="+12"/>
         <source>DHT Off</source>
         <translation>DHT aus</translation>
     </message>
     <message>
-        <location line="+11"/>
+        <location line="-5"/>
         <source>RetroShare users in DHT (Total DHT users)</source>
         <translation>RetroShare Nutzer in DHT (Totale DHT Nutzer)</translation>
     </message>
@@ -11529,5 +11529,29 @@ p, li { white-space: pre-wrap; }
         <comment>e.g: 2 years 2days </comment>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <location line="+26"/>
+        <source>k</source>
+        <comment>e.g: 3.1 k</comment>
+        <translation>k</translation>
+    </message>
+    <message>
+        <location line="+3"/>
+        <source>M</source>
+        <comment>e.g: 3.1 M</comment>
+        <translation>M</translation>
+    </message>
+    <message>
+        <location line="+3"/>
+        <source>G</source>
+        <comment>e.g: 3.1 G</comment>
+        <translation>G</translation>
+    </message>
+    <message>
+        <location line="+3"/>
+        <source>T</source>
+        <comment>e.g: 3.1 T</comment>
+        <translation>T</translation>
+    </message>
 </context>
 </TS>

retroshare-gui/src/util/misc.h

@@ -326,6 +326,44 @@ class misc : public QObject{
 		 days = days - years * 365;
 		 return tr("%1y %2d", "e.g: 2 years 2days ").arg(QString::fromUtf8(misc::toString(years).c_str())).arg(QString::fromUtf8(misc::toString(days).c_str()));
 	 }
+
+	static QString userFriendlyUnit(double count, unsigned int decimal, double factor = 1000)
+	{
+		if (count <= 0.0) {
+			return "0";
+		}
+
+		QString output;
+
+		int i;
+		for (i = 0; i < 5; i++) {
+			if (count < factor) {
+				break;
+			}
+
+			count /= factor;
+		}
+
+		QString unit;
+		switch (i) {
+		case 0:
+			decimal = 0; // no decimal
+			break;
+		case 1:
+			unit = tr("k", "e.g: 3.1 k");
+			break;
+		case 2:
+			unit = tr("M", "e.g: 3.1 M");
+			break;
+		case 3:
+			unit = tr("G", "e.g: 3.1 G");
+			break;
+		default: // >= 4
+			unit = tr("T", "e.g: 3.1 T");
+		}
+
+		return QString("%1 %2").arg(count, 0, 'f', decimal).arg(unit);
+	}
 };
 
 //  Trick to get a portable sleep() function