Fixed compilation when KWayland is not there.

Differential Revision: https://phabricator.kde.org/D5910

kstyle/breezehelper.cpp

@@ -1431,6 +1431,7 @@ namespace Breeze
 
     }
 
+    //______________________________________________________________________________
     bool Helper::isWayland( void )
     {
         #if QT_VERSION >= 0x050000

kstyle/breezeshadowhelper.cpp

@@ -173,28 +173,33 @@ namespace Breeze
     {
         if( Helper::isWayland() )
         {
+
+            #if BREEZE_HAVE_KWAYLAND
             QWidget* widget( static_cast<QWidget*>( object ) );
             if( event->type() == QEvent::Paint )
             {
+
                 auto iter = _widgetSurfaces.constFind( widget );
                 if( iter == _widgetSurfaces.constEnd() )
                 {
                     // install shadows and update winId
                     installShadows( widget );
                 }
-            }
-            else if( event->type() == QEvent::Hide )
-            {
+
+            } else if( event->type() == QEvent::Hide ) {
+
                 auto iter = _widgetSurfaces.find( widget );
                 if( iter != _widgetSurfaces.end() )
                 {
                     delete iter.value();
                     _widgetSurfaces.erase( iter );
                 }
+
             }
-        }
-        else if( Helper::isX11() )
-        {
+            #endif
+
+        } else if( Helper::isX11() ) {
+
             // check event type
             if( event->type() != QEvent::WinIdChange ) return false;
 
@@ -437,7 +442,6 @@ namespace Breeze
         foreach( const quint32& value, pixmaps )
         { data.append( value ); }
 
-
         const QMargins margins = shadowMargins( widget );
         const int topSize = margins.top();
         const int bottomSize = margins.bottom();

kstyle/breezeshadowhelper.h

@@ -34,12 +34,12 @@
 #if BREEZE_HAVE_KWAYLAND
 namespace KWayland
 {
-namespace Client
-{
-    class ShadowManager;
-    class ShmPool;
-    class Surface;
-}
+    namespace Client
+    {
+        class ShadowManager;
+        class ShmPool;
+        class Surface;
+    }
 }
 #endif
 
@@ -158,9 +158,6 @@ namespace Breeze
         //* registered widgets
         QMap<QWidget*, WId> _widgets;
 
-        //* registered widgets to wayland surface mappings
-        QMap<QWidget*, KWayland::Client::Surface *> _widgetSurfaces;
-
         //* tileset
         TileSet _shadowTiles;
 
@@ -181,8 +178,13 @@ namespace Breeze
         #endif
 
         #if BREEZE_HAVE_KWAYLAND
+
+        //* registered widgets to wayland surface mappings
+        QMap<QWidget*, KWayland::Client::Surface *> _widgetSurfaces;
+
         //* The Wayland shadow manager to create Shadows for Surfaces (QWindow)
         KWayland::Client::ShadowManager* _shadowManager;
+
         //* The Wayland Shared memory pool to share the shadow pixmaps with compositor
         KWayland::Client::ShmPool* _shmPool;
         #endif