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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) wxWidgets team
9 // Licence: wxWindows licence
10 ///////////////////////////////////////////////////////////////////////////////
11
12 #ifndef _WX_MSGOUT_H_
13 #define _WX_MSGOUT_H_
14
15 // ----------------------------------------------------------------------------
16 // headers
17 // ----------------------------------------------------------------------------
18
19 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) && !defined(__EMX__)
20 // Some older compilers (such as EMX) cannot handle
21 // #pragma interface/implementation correctly, iff
22 // #pragma implementation is used in _two_ translation
23 // units (as created by e.g. event.cpp compiled for
24 // libwx_base and event.cpp compiled for libwx_gui_core).
25 // So we must not use those pragmas for those compilers in
26 // such files.
27 #pragma interface "msgout.h"
28 #endif
29
30 #include "wx/defs.h"
31 #include "wx/wxchar.h"
32
33 // ----------------------------------------------------------------------------
34 // wxMessageOutput is a class abstracting formatted output target, i.e.
35 // something you can printf() to
36 // ----------------------------------------------------------------------------
37
38 class WXDLLIMPEXP_BASE wxMessageOutput
39 {
40 public:
41 virtual ~wxMessageOutput() { }
42
43 // show a message to the user
44 virtual void Printf(const wxChar* format, ...) ATTRIBUTE_PRINTF_2 = 0;
45
46 // gets the current wxMessageOutput object
47 static wxMessageOutput* Get();
48
49 // sets the global wxMessageOutput instance; returns the previous one
50 static wxMessageOutput* Set(wxMessageOutput* msgout);
51
52 private:
53 static wxMessageOutput* ms_msgOut;
54 };
55
56 // ----------------------------------------------------------------------------
57 // implementation which sends output to stderr
58 // ----------------------------------------------------------------------------
59
60 class WXDLLIMPEXP_BASE wxMessageOutputStderr : public wxMessageOutput
61 {
62 public:
63 wxMessageOutputStderr() { }
64
65 virtual void Printf(const wxChar* format, ...) ATTRIBUTE_PRINTF_2;
66 };
67
68 // ----------------------------------------------------------------------------
69 // implementation which shows output in a message box
70 // ----------------------------------------------------------------------------
71
72 #if wxUSE_GUI
73
74 class WXDLLIMPEXP_CORE wxMessageOutputMessageBox : public wxMessageOutput
75 {
76 public:
77 wxMessageOutputMessageBox() { }
78
79 virtual void Printf(const wxChar* format, ...) ATTRIBUTE_PRINTF_2;
80 };
81
82 #endif // wxUSE_GUI
83
84 // ----------------------------------------------------------------------------
85 // implementation using the native way of outputting debug messages
86 // ----------------------------------------------------------------------------
87
88 class WXDLLIMPEXP_BASE wxMessageOutputDebug : public wxMessageOutput
89 {
90 public:
91 wxMessageOutputDebug() { }
92
93 virtual void Printf(const wxChar* format, ...) ATTRIBUTE_PRINTF_2;
94 };
95
96 // ----------------------------------------------------------------------------
97 // implementation using wxLog (mainly for backwards compatibility)
98 // ----------------------------------------------------------------------------
99
100 class WXDLLIMPEXP_BASE wxMessageOutputLog : public wxMessageOutput
101 {
102 public:
103 wxMessageOutputLog() { }
104
105 virtual void Printf(const wxChar* format, ...) ATTRIBUTE_PRINTF_2;
106 };
107
108 #endif
109 // _WX_MSGOUT_H_