EComboBox and StringListEdit improvments

libs/widgets/ecombobox.cpp

@@ -1,12 +1,11 @@
-#include <QStandardItemModel>
 #include <QApplication>
-#include <QDebug>
 #include <QHeaderView>
+#include <QStandardItemModel>
 #include "ecombobox.h"
 #include "qad_types.h"
 
 
-class EModel: public QStandardItemModel {
+class QAD_WIDGETS_EXPORT EModel: public QStandardItemModel {
 public:
 	EModel(QObject * parent = 0): QStandardItemModel(parent) {
 #if QT_VERSION < 0x050000
@@ -21,10 +20,12 @@ protected:
 	}
 #if QT_VERSION >= 0x050000
 	Qt::DropActions supportedDragActions() const {return Qt::MoveAction;}
+	Qt::DropActions supportedDropActions() const {return Qt::MoveAction;}
 #endif
 };
 
 
+
 EComboBox::EComboBox(QWidget * parent): QComboBox(parent) {
 	setView(&iv);
 	setModel(new EModel());
@@ -52,6 +53,7 @@ EComboBox::EComboBox(QWidget * parent): QComboBox(parent) {
 	header.layout()->addWidget(&filter);
 	header.setParent(iv.header());
 	connect(&filter, SIGNAL(textChanged(QString)), this, SLOT(filterChanged(QString)));
+	connect(model(), &EModel::layoutChanged, this, &EComboBox::rowsChanged);
 }