X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e484468721a4e8e0099a363deee468e44d89294a..353a4edc6ebdb88d0040de2f13aabfa8accf014b:/include/wx/msgout.h?ds=sidebyside diff --git a/include/wx/msgout.h b/include/wx/msgout.h index cab47aa087..ba377c079c 100755 --- a/include/wx/msgout.h +++ b/include/wx/msgout.h @@ -5,7 +5,7 @@ // Modified by: // Created: 17.07.02 // RCS-ID: $Id$ -// Copyright: (c) wxWindows team +// Copyright: (c) Mattia Barbon // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// @@ -16,43 +16,83 @@ // headers // ---------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) && !defined(__EMX__) -// Some older compilers (such as EMX) cannot handle -// #pragma interface/implementation correctly, iff -// #pragma implementation is used in _two_ translation -// units (as created by e.g. event.cpp compiled for -// libwx_base and event.cpp compiled for libwx_gui_core). -// So we must not use those pragmas for those compilers in -// such files. - #pragma interface "msgout.h" -#endif - #include "wx/defs.h" -#include "wx/wxchar.h" +#include "wx/chartype.h" +#include "wx/strvararg.h" // ---------------------------------------------------------------------------- // wxMessageOutput is a class abstracting formatted output target, i.e. // something you can printf() to // ---------------------------------------------------------------------------- -class WXDLLIMPEXP_BASE wxMessageOutput +// NB: VC6 has a bug that causes linker errors if you have template methods +// in a class using __declspec(dllimport). The solution is to split such +// class into two classes, one that contains the template methods and does +// *not* use WXDLLIMPEXP_BASE and another class that contains the rest +// (with DLL linkage). +class wxMessageOutputBase { public: - virtual ~wxMessageOutput() { } + virtual ~wxMessageOutputBase() { } // show a message to the user - virtual void Printf(const wxChar* format, ...) ATTRIBUTE_PRINTF_2 = 0; + // void Printf(const wxChar* format, ...) ATTRIBUTE_PRINTF_2 = 0; + WX_DEFINE_VARARG_FUNC_VOID(Printf, DoPrintf) + +protected: + // NB: this is pure virtual so that it can be implemented in dllexported + // wxMessagOutput class + virtual void DoPrintf(const wxChar* format, ...) ATTRIBUTE_PRINTF_2 = 0; + + // called by DoPrintf() to output formatted string + virtual void Output(const wxString& str) = 0; +}; + +#ifdef __VISUALC__ + // "non dll-interface class 'wxStringPrintfMixin' used as base interface + // for dll-interface class 'wxString'" -- this is OK in our case + #pragma warning (disable:4275) +#endif + +class WXDLLIMPEXP_BASE wxMessageOutput : public wxMessageOutputBase +{ +public: + virtual ~wxMessageOutput() { } - // gets the current wxMessageOutput object + // gets the current wxMessageOutput object (may be NULL during + // initialization or shutdown) static wxMessageOutput* Get(); // sets the global wxMessageOutput instance; returns the previous one static wxMessageOutput* Set(wxMessageOutput* msgout); +protected: + virtual void DoPrintf(const wxChar* format, ...) ATTRIBUTE_PRINTF_2; + virtual void Output(const wxString& str) = 0; + private: static wxMessageOutput* ms_msgOut; }; +#ifdef __VISUALC__ + #pragma warning (default:4275) +#endif + +// ---------------------------------------------------------------------------- +// implementation showing the message to the user in "best" possible way: uses +// native message box if available (currently only under Windows) and stderr +// otherwise; unlike wxMessageOutputMessageBox this class is always safe to use +// ---------------------------------------------------------------------------- + +class WXDLLIMPEXP_BASE wxMessageOutputBest : public wxMessageOutput +{ +public: + wxMessageOutputBest() { } + +protected: + virtual void Output(const wxString& str); +}; + // ---------------------------------------------------------------------------- // implementation which sends output to stderr // ---------------------------------------------------------------------------- @@ -62,7 +102,8 @@ class WXDLLIMPEXP_BASE wxMessageOutputStderr : public wxMessageOutput public: wxMessageOutputStderr() { } - virtual void Printf(const wxChar* format, ...) ATTRIBUTE_PRINTF_2; +protected: + virtual void Output(const wxString& str); }; // ---------------------------------------------------------------------------- @@ -76,7 +117,8 @@ class WXDLLIMPEXP_CORE wxMessageOutputMessageBox : public wxMessageOutput public: wxMessageOutputMessageBox() { } - virtual void Printf(const wxChar* format, ...) ATTRIBUTE_PRINTF_2; +protected: + virtual void Output(const wxString& str); }; #endif // wxUSE_GUI @@ -90,7 +132,8 @@ class WXDLLIMPEXP_BASE wxMessageOutputDebug : public wxMessageOutput public: wxMessageOutputDebug() { } - virtual void Printf(const wxChar* format, ...) ATTRIBUTE_PRINTF_2; +protected: + virtual void Output(const wxString& str); }; // ---------------------------------------------------------------------------- @@ -102,7 +145,8 @@ class WXDLLIMPEXP_BASE wxMessageOutputLog : public wxMessageOutput public: wxMessageOutputLog() { } - virtual void Printf(const wxChar* format, ...) ATTRIBUTE_PRINTF_2; +protected: + virtual void Output(const wxString& str); }; #endif