version 2.22.0

blockview small code clean
add PIValueTree to BLockItem, BlockItemPin and BlockBusItem
add QAD::CursorOverrider::restore()
fix QCodeEdit escape key while block selection

libs/blockview/blockbusitem.h

@@ -110,6 +110,8 @@ public:
 	void saveState();
 	void restoreState();
 
+	PIValueTree & values() { return value_tree; }
+
 	enum {
 		Type = UserType + 2
 	};
@@ -151,6 +153,7 @@ protected:
 	QImage im_bus, im_end;
 	QPolygonF pol, bpol, pol_s;
 	Qt::KeyboardModifiers mm_mods;
+	PIValueTree value_tree;
 	bool temp_, square_node;
 	double pen_width, grid_step, im_bus_scale, im_end_scale;
 	int selPoint, selSegment, max_ep, bus_type, state_;