1 files changed, 92 insertions, 0 deletions
diff --git a/protocol.h b/protocol.h
new file mode 100644
index 0000000..f918565
--- /dev/null
+++ b/protocol.h
@@ -0,0 +1,92 @@
+#ifndef PROTOCOL_H
+#define PROTOCOL_H
+
+#include <QtCore/QRectF>
+
+struct Message
+{
+    enum MessageType
+    {
+        InvalidMessage,
+        RequestMessage,
+        ResponseMessage,
+        EventMessage
+    };
+
+    inline Message(MessageType message = InvalidMessage, quint16 type = -1, quint32 id = -1, const QRectF &rect = QRectF())
+        : message(message), type(type), id(id), rect(rect) {}
+
+    quint16 message;
+    quint16 type;
+    quint32 id;
+    QRectF rect;
+};
+
+struct Request : public Message
+{
+    enum RequestType
+    {
+        InvalidRequest,
+        CreateRequest,
+        DestroyRequest,
+        ShowRequest,
+        HideRequest,
+        RaiseRequest,
+        LowerRequest,
+        UpdateRequest,
+        SetGeometryRequest,
+    };
+
+    inline Request(RequestType type = InvalidRequest, quint32 id = -1, const QRectF &rect = QRectF())
+        : Message(RequestMessage, type, id, rect) {}
+};
+
+struct Response : public Message
+{
+    enum ResponseType
+    {
+        InvalidResponse,
+        CreatedResponse
+    };
+
+    inline Response(ResponseType type = InvalidResponse, quint32 id = -1, const QRectF &rect = QRectF())
+        : Message(ResponseMessage, type, id, rect) {}
+};
+
+struct Event : public Message
+{
+    enum EventType
+    {
+        InvalidEvent,
+        ErrorEvent,
+        ShowEvent,
+        HideEvent,
+        PaintEvent,
+        GeometryChangeEvent,
+        MousePressEvent,
+        MouseReleaseEvent,
+    };
+
+    inline Event(EventType type = InvalidEvent, quint32 id = -1, const QRectF &rect = QRectF())
+        : Message(EventMessage, type, id, rect) {}
+};
+
+inline QDataStream &operator>>(QDataStream &in, Message &message)
+{
+    in >> message.message;
+    in >> message.type;
+    in >> message.id;
+    in >> message.rect;
+    return in;
+}
+
+inline QDataStream &operator<<(QDataStream &out, const Message &message)
+{
+    out << message.message;
+    out << message.type;
+    out << message.id;
+    out << message.rect;
+    return out;
+}
+
+#endif//PROTOCOL_H