include/wx/msgout.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msgout.h
   3 // Purpose:     wxMessageOutput class. Shows a message to the user
   4 // Author:      Mattia Barbon
   5 // Modified by:
   6 // Created:     17.07.02
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWindows team
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_MSGOUT_H_
  13 #define _WX_MSGOUT_H_
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 #ifdef __GNUG__
  20     #pragma interface "msgout.h"
  21 #endif
  22
  23 #include "wx/defs.h"
  24 #include "wx/wxchar.h"
  25
  26 // ----------------------------------------------------------------------------
  27 // wxMessageOutput is a class abstracting formatted output target, i.e.
  28 // something you can printf() to
  29 // ----------------------------------------------------------------------------
  30
  31 class WXDLLEXPORT wxMessageOutput
  32 {
  33 public:
  34     virtual ~wxMessageOutput() { }
  35
  36     // show a message to the user
  37     virtual void Printf(const wxChar* format, ...)  ATTRIBUTE_PRINTF_2 = 0;
  38
  39     // gets the current wxMessageOutput object
  40     static wxMessageOutput* Get();
  41
  42     // sets the global wxMessageOutput instance; returns the previous one
  43     static wxMessageOutput* Set(wxMessageOutput* msgout);
  44
  45 private:
  46     static wxMessageOutput* ms_msgOut;
  47 };
  48
  49 // ----------------------------------------------------------------------------
  50 // implementation which sends output to stderr
  51 // ----------------------------------------------------------------------------
  52
  53 class WXDLLEXPORT wxMessageOutputStderr : public wxMessageOutput
  54 {
  55 public:
  56     wxMessageOutputStderr() { }
  57
  58     virtual void Printf(const wxChar* format, ...) ATTRIBUTE_PRINTF_2;
  59 };
  60
  61 // ----------------------------------------------------------------------------
  62 // implementation which shows output in a message box
  63 // ----------------------------------------------------------------------------
  64
  65 #if wxUSE_GUI
  66
  67 class WXDLLEXPORT wxMessageOutputMessageBox : public wxMessageOutput
  68 {
  69 public:
  70     wxMessageOutputMessageBox() { }
  71
  72     virtual void Printf(const wxChar* format, ...) ATTRIBUTE_PRINTF_2;
  73 };
  74
  75 #endif // wxUSE_GUI
  76
  77 // ----------------------------------------------------------------------------
  78 // implementation using wxLog (mainly for backwards compatibility)
  79 // ----------------------------------------------------------------------------
  80
  81 class WXDLLEXPORT wxMessageOutputLog : public wxMessageOutput
  82 {
  83 public:
  84     wxMessageOutputLog() { }
  85
  86     virtual void Printf(const wxChar* format, ...) ATTRIBUTE_PRINTF_2;
  87 };
  88
  89 #endif
  90     // _WX_MSGOUT_H_