add preferred capacity to config

svn path=/trunk/extragear/sysadmin/partitionmanager/; revision=1102330

src/config.kcfg

@@ -5,6 +5,7 @@
 		xsi:schemaLocation="http://www.kde.org/standards/kcfg/1.0 http://www.kde.org/standards/kcfg/1.0/kcfg.xsd">
 	<kcfgfile arg="true"/>
 	<include>fs/filesystem.h</include>
+	<include>util/capacity.h</include>
 	<group name="KDE Partition Manager">
 		<entry name="treePartitionColumnWidths" type="IntList" hidden="true">
 			<default>140,90,90,90,0,90,90,0,0,0,0,0</default>
@@ -84,5 +85,8 @@
 		<entry key="defaultFileSystem" type="Int">
 			<default>FileSystem::Ext3</default>
 		</entry>
+		<entry key="preferredUnit" type="Int">
+			<default>Capacity::MiB</default>
+		</entry>
 	</group>
 </kcfg>

src/util/capacity.cpp

@@ -26,6 +26,8 @@
 #include <klocale.h>
 #include <kdebug.h>
 
+#include <config.h>
+
 const QString Capacity::m_InvalidString = "---";
 
 /** Creates a new Capacity instance.
@@ -188,3 +190,9 @@ QString Capacity::toStringInternal(Unit u) const
 	const double num = static_cast<double>(m_Size) / static_cast<double>(unitSize);
 	return KGlobal::locale()->formatNumber(num, u == Byte ? 0 : -1);
 }
+
+Capacity::Unit Capacity::preferredUnit()
+{
+	return static_cast<Unit>(Config::preferredUnit());
+}
+

src/util/capacity.h

@@ -70,6 +70,7 @@ class Capacity
 		static const QString& invalidString() { return m_InvalidString; } /**< @return string representing an invalid capacity */
 		static QString unitName(Unit u);
 		static qint64 unitFactor(Unit from, Unit to);
+		static Unit preferredUnit();
 
 	protected:
 		QString toStringInternal(Unit u) const;