file size of folders and extract compressed files.

include/resourceexplorer.h

@@ -51,6 +51,7 @@ private:
 
 		bool isDir() const;
 		bool isCompressed() const;
+		uint64_t getByteSize() const;
 	};
 
 	using data = const unsigned char*;

src/resourceexplorer.cpp

@@ -75,6 +75,11 @@ void ResourceExplorer::extractButtonPressed() {
 	if( !fileOut.open( QIODevice::WriteOnly | QIODevice::Truncate )) return;
 
 	QByteArray data = QByteArray::fromRawData( (const char*) node->start, node->size );
+
+	if ( node->isCompressed() ) {
+		data = qUncompress(data);
+	}
+
 	fileOut.write(data);
 }
 
@@ -84,7 +89,7 @@ void ResourceExplorer::itemSelected(QTreeWidgetItem* newItem) {
 	ResourceNode* node = (ResourceNode*) newItem->data(0, Qt::UserRole).toULongLong();
 
 	if ( node ) {
-		if ( !node->isDir() && !node->isCompressed() ) {
+		if ( !node->isDir() ) {
 			this->ui->extractButton->setEnabled( true );
 			return;
 		}
@@ -106,6 +111,13 @@ bool ResourceExplorer::ResourceNode::isCompressed() const {
 	return this->flags & ResourceFlags::Compressed;
 }
 
+uint64_t ResourceExplorer::ResourceNode::getByteSize() const {
+	if ( this->isDir() ) {
+		return std::accumulate( children.begin(), children.end(), 0, [](uint64_t v, const ResourceNode* b) { return v + b->getByteSize(); } );
+	}
+	return size;
+}
+
 void ResourceExplorer::rebuild() {
 	this->ui->treeWidget->clear();
 	this->ui->extractButton->setEnabled(false);
@@ -183,6 +195,9 @@ std::vector<ResourceExplorer::MemoryMap> ResourceExplorer::readMemoryMaps() {
 	return out;
 }
 
+// reads an UTF-16 String into a QString
+// the problem is that the input string is in bigendian.
+// this function makes a copy and swaps every two bytes if required
 static QString readUTF16String(const char16_t* ptr, uint32_t size) {
 	char16_t* newptr = new char16_t[size];
 
@@ -267,16 +282,24 @@ QTreeWidgetItem* ResourceExplorer::resourceNodeToItem( ResourceNode* node, const
 	const QString ownPath = path + node->name;
 
 	item->setText( 0, node->isDir() ? (node->name + "/" ) : node->name);
-	item->setToolTip(0, ownPath);
 
 	if ( node->isDir() ) {
 		std::size_t size = node->children.size();
-		item->setText( 1, QString::number( size ) );
-		item->setToolTip( 1, QString::number( size ) );
+		item->setText(1, QString::number( size ));
+		uint64_t filesize = node->getByteSize();
+		item->setToolTip(1, QString("TotalSize: %1 (%2 Bytes)").arg(approxFileSize(filesize)).arg( filesize ));
+		item->setToolTip(0, ownPath);
 	} else {
 		std::size_t size = node->size;
 		item->setText( 1, approxFileSize( size ) );
 		item->setToolTip( 1, QString::number( size ) );
+		QString tooltip = ownPath;
+		QLocale::Language lang = (QLocale::Language) node->language;
+		QLocale::Country country = (QLocale::Country) node->country;
+		QLocale fileLocale(lang, country);
+		tooltip += (node->isCompressed() ? "\nCompressed" : "\nUncompressed")
+			+ ((fileLocale != QLocale()) ? ("\nLocale: " + fileLocale.name() ) : "" );
+		item->setToolTip(0, tooltip);
 	}
 
 	if( node->lastModTimeMS ) {