fix windows build and some warnings

Author: jef-n

src/core/qgsexpression.h

@@ -210,7 +210,7 @@ class CORE_EXPORT QgsExpression
 
     class Visitor; // visitor interface is defined below
 
-    class Node
+    class CORE_EXPORT Node
     {
       public:
         virtual ~Node() {}
@@ -231,7 +231,7 @@ class CORE_EXPORT QgsExpression
         virtual void accept( Visitor& v ) = 0;
     };
 
-    class NodeList
+    class CORE_EXPORT NodeList
     {
       public:
         NodeList() {}
@@ -245,7 +245,7 @@ class CORE_EXPORT QgsExpression
         QList<Node*> mList;
     };
 
-    class NodeUnaryOperator : public Node
+    class CORE_EXPORT NodeUnaryOperator : public Node
     {
       public:
         NodeUnaryOperator( UnaryOperator op, Node* operand ) : mOp( op ), mOperand( operand ) {}
@@ -266,7 +266,7 @@ class CORE_EXPORT QgsExpression
         Node* mOperand;
     };
 
-    class NodeBinaryOperator : public Node
+    class CORE_EXPORT NodeBinaryOperator : public Node
     {
       public:
         NodeBinaryOperator( BinaryOperator op, Node* opLeft, Node* opRight ) : mOp( op ), mOpLeft( opLeft ), mOpRight( opRight ) {}
@@ -293,7 +293,7 @@ class CORE_EXPORT QgsExpression
         Node* mOpRight;
     };
 
-    class NodeInOperator : public Node
+    class CORE_EXPORT NodeInOperator : public Node
     {
       public:
         NodeInOperator( Node* node, NodeList* list, bool notin = false ) : mNode( node ), mList( list ), mNotIn( notin ) {}
@@ -316,7 +316,7 @@ class CORE_EXPORT QgsExpression
         bool mNotIn;
     };
 
-    class NodeFunction : public Node
+    class CORE_EXPORT NodeFunction : public Node
     {
       public:
         NodeFunction( int fnIndex, NodeList* args ): mFnIndex( fnIndex ), mArgs( args ) {}
@@ -339,7 +339,7 @@ class CORE_EXPORT QgsExpression
         NodeList* mArgs;
     };
 
-    class NodeLiteral : public Node
+    class CORE_EXPORT NodeLiteral : public Node
     {
       public:
         NodeLiteral( QVariant value ) : mValue( value ) {}
@@ -357,7 +357,7 @@ class CORE_EXPORT QgsExpression
         QVariant mValue;
     };
 
-    class NodeColumnRef : public Node
+    class CORE_EXPORT NodeColumnRef : public Node
     {
       public:
         NodeColumnRef( QString name ) : mName( name ), mIndex( -1 ) {}
@@ -376,7 +376,7 @@ class CORE_EXPORT QgsExpression
         int mIndex;
     };
 
-    class WhenThen
+    class CORE_EXPORT WhenThen
     {
       public:
         WhenThen( Node* whenExp, Node* thenExp ) : mWhenExp( whenExp ), mThenExp( thenExp ) {}
@@ -388,7 +388,7 @@ class CORE_EXPORT QgsExpression
     };
     typedef QList<WhenThen*> WhenThenList;
 
-    class NodeCondition : public Node
+    class CORE_EXPORT NodeCondition : public Node
     {
       public:
         NodeCondition( WhenThenList* conditions, Node* elseExp = NULL ) : mConditions( *conditions ), mElseExp( elseExp ) { delete conditions; }
@@ -410,7 +410,7 @@ class CORE_EXPORT QgsExpression
 
     /** support for visitor pattern - algorithms dealing with the expressions
         may be implemented without modifying the Node classes */
-    class Visitor
+    class CORE_EXPORT Visitor
     {
       public:
         virtual ~Visitor() {}

src/providers/wfs/qgswfsprovider.cpp

@@ -2355,7 +2355,10 @@ void QgsWFSProvider::appendSupportedOperations( const QDomElement& operationsEle
 //initialization for getRenderedOnly option
 //(formerly "Only request features overlapping the current view extent")
 bool QgsWFSProvider::initGetRenderedOnly( const QgsRectangle rect )
-{ //find our layer
+{
+  Q_UNUSED( rect );
+
+  //find our layer
   QMap<QString, QgsMapLayer*> layers = QgsMapLayerRegistry::instance()->mapLayers();
   QMap<QString, QgsMapLayer*>::const_iterator layersIt = layers.begin();
   for ( ; layersIt != layers.end() ; ++layersIt )

src/providers/wfs/qgswfsutils.cpp

@@ -91,7 +91,7 @@ class QgsExpressionOGCVisitor : public QgsExpression::Visitor
       mResult = true;
     }
 
-    void visit( QgsExpression::NodeCondition* n ) { mResult = false; }
+    void visit( QgsExpression::NodeCondition* n ) { Q_UNUSED( n ); mResult = false; }
 
   protected:
     QDomDocument mDoc;

src/ui/qgsoptionsbase.ui

@@ -521,7 +521,7 @@
       <attribute name="title">
        <string>GDAL</string>
       </attribute>
-      <layout class="QGridLayout" name="gridLayout">
+      <layout class="QGridLayout" name="gridLayout_27">
        <item row="0" column="0">
         <widget class="QGroupBox" name="groupBox_13">
          <property name="title">

src/ui/qgsprojectpropertiesbase.ui

@@ -382,7 +382,7 @@
             <height>538</height>
            </rect>
           </property>
-          <layout class="QGridLayout" name="gridLayout">
+          <layout class="QGridLayout" name="gridLayout_7">
            <item row="0" column="0" colspan="2">
             <widget class="QGroupBox" name="grpWMSServiceCapabilities">
              <property name="title">

src/ui/qgsvectorlayerpropertiesbase.ui

@@ -548,7 +548,7 @@
       <attribute name="title">
        <string>Metadata</string>
       </attribute>
-      <layout class="QGridLayout" name="gridLayout">
+      <layout class="QGridLayout" name="gridLayout_15">
        <item row="0" column="0">
         <widget class="QLabel" name="mLayerTitleLabel">
          <property name="text">