support retina display

[wxWidgets.git] / include / wx / unix / private / epolldispatcher.h

diff --git a/include/wx/unix/private/epolldispatcher.h b/include/wx/unix/private/epolldispatcher.h
index 735ab6d72cd0019598f59d1996474ba52fbf573b..dbffb924dc327cbb330a08bbec2d49f61ebd8c47 100644 (file)
--- a/include/wx/unix/private/epolldispatcher.h
+++ b/include/wx/unix/private/epolldispatcher.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        wx/private/epolldispatcher.h
+// Name:        wx/unix/private/epolldispatcher.h
 // Purpose:     wxEpollDispatcher class
 // Authors:     Lukasz Michalski
 // Created:     April 2007
@@ -17,27 +17,34 @@
 
 #include "wx/private/fdiodispatcher.h"
 
-class WXDLLIMPEXP_CORE wxEpollDispatcher : public wxFDIODispatcher
+struct epoll_event;
+
+class WXDLLIMPEXP_BASE wxEpollDispatcher : public wxFDIODispatcher
 {
 public:
-    // get pointer to the unique instance of this class, can return NULL if
+    // create a new instance of this class, can return NULL if
     // epoll() is not supported on this system
     //
-    // do not delete the returned pointer
-    static wxEpollDispatcher *Get();
+    // the caller should delete the returned pointer
+    static wxEpollDispatcher *Create();
+
+    virtual ~wxEpollDispatcher();
 
     // implement base class pure virtual methods
     virtual bool RegisterFD(int fd, wxFDIOHandler* handler, int flags = wxFDIO_ALL);
     virtual bool ModifyFD(int fd, wxFDIOHandler* handler, int flags = wxFDIO_ALL);
     virtual bool UnregisterFD(int fd);
-    virtual void RunLoop(int timeout = TIMEOUT_INFINITE);
+    virtual bool HasPending() const;
+    virtual int Dispatch(int timeout = TIMEOUT_INFINITE);
 
 private:
-    // ctor is private, use Get()
-    wxEpollDispatcher();
+    // ctor is private, use Create()
+    wxEpollDispatcher(int epollDescriptor);
+
+    // common part of HasPending() and Dispatch(): calls epoll_wait() with the
+    // given timeout
+    int DoPoll(epoll_event *events, int numEvents, int timeout) const;
 
-    // return true if the object was successfully initialized
-    bool IsOk() const { return m_epollDescriptor != -1; }
 
     int m_epollDescriptor;
 };