Add "Window" element to skinparser

Author: daschuer

res/skins/Shade/skin.xml

@@ -440,9 +440,19 @@
         <!-- minimal decks, visible with maximized library -->
         <Template src="skin:decks_row_small.xml"/>
 
-        <SingletonContainer>
-          <ObjectName>Library</ObjectName>
-        </SingletonContainer>
+        <WidgetGroup>
+          <SizePolicy>me,me</SizePolicy>
+        </WidgetGroup>
+
+        <Window>
+          <SizePolicy>me,me</SizePolicy>
+          <Layout>vertical</Layout>
+          <Children>
+            <SingletonContainer>
+              <ObjectName>Library</ObjectName>
+            </SingletonContainer>
+          </Children>
+        </Window>
       </Children>
     </WidgetGroup>
   </Children>

src/skin/legacy/legacyskinparser.cpp

@@ -631,6 +631,8 @@ QList<QWidget*> LegacySkinParser::parseNode(const QDomElement& node) {
         parseSingletonDefinition(node);
     } else if (nodeName == "SingletonContainer") {
         result = wrapWidget(parseStandardWidget<WSingletonContainer>(node));
+    } else if (nodeName == "Window") {
+        result = wrapWidget(parseWindow(node));
     } else {
         SKIN_WARNING(node,
                 *m_pContext,
@@ -751,6 +753,22 @@ QWidget* LegacySkinParser::parseWidgetGroup(const QDomElement& node) {
     return pGroup;
 }
 
+QWidget* LegacySkinParser::parseWindow(const QDomElement& node) {
+    WWidgetGroup* pWindow = new WWidgetGroup(m_pParent);
+    pWindow->setWindowFlags(Qt::Window);
+    pWindow->setWindowTitle("Mixxx Library");
+    pWindow->show();
+    setupBaseWidget(node, pWindow);
+    setupWidget(node, pWindow->toQWidget());
+    pWindow->setup(node, *m_pContext);
+    // Note: if we call setupConnections earlier and it sets the visible property
+    // to true, the style is not applied correctly
+    setupConnections(node, pWindow);
+    pWindow->Init();
+    parseChildren(node, pWindow);
+    return nullptr;
+}
+
 QWidget* LegacySkinParser::parseWidgetStack(const QDomElement& node) {
     ControlObject* pNextControl = controlFromConfigNode(node.toElement(), "NextControl");
     ConfigKey nextConfigKey;

src/skin/legacy/legacyskinparser.h

@@ -101,6 +101,7 @@ class LegacySkinParser : public QObject, public SkinParser {
 
     // Grouping / layout.
     QWidget* parseWidgetGroup(const QDomElement& node);
+    QWidget* parseWindow(const QDomElement& node);
     QWidget* parseTrackWidgetGroup(const QDomElement& node);
     QWidget* parseWidgetStack(const QDomElement& node);
     QWidget* parseSizeAwareStack(const QDomElement& node);