move includes into cpp and insert forward declaration

Author: signedav

src/gui/editorwidgets/qgsvaluerelationwidgetwrapper.cpp

@@ -23,8 +23,11 @@
 #include "qgsfilterlineedit.h"
 #include "qgsfeatureiterator.h"
 #include "qgsvaluerelationfieldformatter.h"
-#include "qgslogger.h"
 
+#include <QHeaderView>
+#include <QComboBox>
+#include <QLineEdit>
+#include <QTableWidget>
 #include <QStringListModel>
 #include <QCompleter>
 

src/gui/editorwidgets/qgsvaluerelationwidgetwrapper.h

@@ -18,13 +18,12 @@
 
 #include "qgseditorwidgetwrapper.h"
 #include "qgsvaluerelationfieldformatter.h"
-
-#include <QComboBox>
-#include <QTableWidget>
-#include <QHeaderView>
-#include <QLineEdit>
 #include "qgis_gui.h"
 
+class QTableWidget;
+class QComboBox;
+class QLineEdit;
+
 SIP_NO_FILE
 
 class QgsValueRelationWidgetFactory;

tests/src/gui/testqgsvaluerelationwidgetwrapper.cpp

@@ -23,6 +23,7 @@
 #include <qgsvectorlayer.h>
 #include "qgseditorwidgetwrapper.h"
 #include <editorwidgets/qgsvaluerelationwidgetwrapper.h>
+#include <QTableWidget>
 #include "qgsgui.h"
 
 class TestQgsValueRelationWidgetWrapper : public QObject