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[wxWidgets.git] / include / wx / evtloop.h
1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: wx/evtloop.h
3 // Purpose: declares wxEventLoop class
4 // Author: Vadim Zeitlin
5 // Modified by:
6 // Created: 01.06.01
7 // RCS-ID: $Id$
8 // Copyright: (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
9 // Licence: wxWindows licence
10 ///////////////////////////////////////////////////////////////////////////////
11
12 #ifndef _WX_EVTLOOP_H_
13 #define _WX_EVTLOOP_H_
14
15 #if defined(__GNUG__) && !defined(__APPLE__)
16 #pragma interface "evtloop.h"
17 #endif
18
19 // ----------------------------------------------------------------------------
20 // wxEventLoop: a GUI event loop
21 // ----------------------------------------------------------------------------
22
23 class WXDLLEXPORT wxEventLoop
24 {
25 public:
26 // ctor
27 wxEventLoop() { m_impl = NULL; }
28
29 // dtor
30 virtual ~wxEventLoop();
31
32 // start the event loop, return the exit code when it is finished
33 virtual int Run();
34
35 // exit from the loop with the given exit code
36 virtual void Exit(int rc = 0);
37
38 // return TRUE if any events are available
39 virtual bool Pending() const;
40
41 // dispatch a single event, return FALSE if we should exit from the loop
42 virtual bool Dispatch();
43
44 // is the event loop running now?
45 virtual bool IsRunning() const;
46
47 // return currently active (running) event loop, may be NULL
48 static wxEventLoop *GetActive() { return ms_activeLoop; }
49
50 // set currently active (running) event loop
51 static void SetActive(wxEventLoop* loop) { ms_activeLoop = loop; }
52
53 protected:
54 // the pointer to the port specific implementation class
55 class WXDLLEXPORT wxEventLoopImpl *m_impl;
56 // the pointer to currently active loop
57 static wxEventLoop *ms_activeLoop;
58 };
59
60 #endif // _WX_EVTLOOP_H_