Fix cache dir in options

m-kuhn · m-kuhn · commit 68b1852df077 · 2019-06-04T09:20:48.000Z
diff --git a/src/app/qgsoptions.cpp b/src/app/qgsoptions.cpp
@@ -373,12 +373,12 @@ QgsOptions::QgsOptions( QWidget *parent, Qt::WindowFlags fl, const QList<QgsOpti
 
   // cache settings
   mCacheDirectory->setText( mSettings->value( QStringLiteral( "cache/directory" ) ).toString() );
-  mCacheDirectory->setPlaceholderText( QDir( QgsApplication::qgisSettingsDirPath() ).canonicalPath() + QDir::separator() + QStringLiteral( "cache" ) );
+  mCacheDirectory->setPlaceholderText( QStandardPaths::writableLocation( QStandardPaths::CacheLocation ) );
   mCacheSize->setMinimum( 0 );
   mCacheSize->setMaximum( std::numeric_limits<int>::max() );
   mCacheSize->setSingleStep( 1024 );
-  qint64 cacheSize = mSettings->value( QStringLiteral( "cache/size" ), 50 * 1024 * 1024 ).toULongLong();
-  mCacheSize->setValue( ( int )( cacheSize / 1024 ) );
+  qint64 cacheSize = mSettings->value( QStringLiteral( "cache/size" ), 50 * 1024 * 1024 ).toLongLong();
+  mCacheSize->setValue( static_cast<int>( cacheSize / 1024 ) );
   connect( mBrowseCacheDirectory, &QAbstractButton::clicked, this, &QgsOptions::browseCacheDirectory );
   connect( mClearCache, &QAbstractButton::clicked, this, &QgsOptions::clearCache );
 
