X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/84006e65e80116a91514523b9d15344d4bbcbf4a..0555b2a0a3c509687e7fc5aeb160f5171b7e6311:/include/wx/msgout.h diff --git a/include/wx/msgout.h b/include/wx/msgout.h old mode 100755 new mode 100644 index 95db8a5c8c..225df86b3c --- a/include/wx/msgout.h +++ b/include/wx/msgout.h @@ -17,20 +17,66 @@ // ---------------------------------------------------------------------------- #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 wxString& format, ...) = 0; + WX_DEFINE_VARARG_FUNC_VOID(Printf, 1, (const wxFormatString&), + DoPrintfWchar, DoPrintfUtf8) +#ifdef __WATCOMC__ + // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351 + WX_VARARG_WATCOM_WORKAROUND(void, Printf, 1, (const wxString&), + (wxFormatString(f1))); + WX_VARARG_WATCOM_WORKAROUND(void, Printf, 1, (const wxCStrData&), + (wxFormatString(f1))); + WX_VARARG_WATCOM_WORKAROUND(void, Printf, 1, (const char*), + (wxFormatString(f1))); + WX_VARARG_WATCOM_WORKAROUND(void, Printf, 1, (const wchar_t*), + (wxFormatString(f1))); +#endif + + // called by DoPrintf() to output formatted string but can also be called + // directly if no formatting is needed + virtual void Output(const wxString& str) = 0; + +protected: + // NB: this is pure virtual so that it can be implemented in dllexported + // wxMessagOutput class +#if !wxUSE_UTF8_LOCALE_ONLY + virtual void DoPrintfWchar(const wxChar *format, ...) = 0; +#endif +#if wxUSE_UNICODE_UTF8 + virtual void DoPrintfUtf8(const char *format, ...) = 0; +#endif +}; + +#ifdef __VISUALC__ + // "non dll-interface class 'wxStringPrintfMixin' used as base interface + // for dll-interface class 'wxString'" -- this is OK in our case + #pragma warning (push) + #pragma warning (disable:4275) +#endif + +class WXDLLIMPEXP_BASE wxMessageOutput : public wxMessageOutputBase +{ +public: + virtual ~wxMessageOutput() { } // gets the current wxMessageOutput object (may be NULL during // initialization or shutdown) @@ -39,62 +85,90 @@ public: // sets the global wxMessageOutput instance; returns the previous one static wxMessageOutput* Set(wxMessageOutput* msgout); +protected: +#if !wxUSE_UTF8_LOCALE_ONLY + virtual void DoPrintfWchar(const wxChar *format, ...); +#endif +#if wxUSE_UNICODE_UTF8 + virtual void DoPrintfUtf8(const char *format, ...); +#endif + private: static wxMessageOutput* ms_msgOut; }; +#ifdef __VISUALC__ + #pragma warning (pop) +#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 +// implementation which sends output to stderr or specified file // ---------------------------------------------------------------------------- -class WXDLLIMPEXP_BASE wxMessageOutputBest : public wxMessageOutput +class WXDLLIMPEXP_BASE wxMessageOutputStderr : public wxMessageOutput { public: - wxMessageOutputBest() { } + wxMessageOutputStderr(FILE *fp = stderr) : m_fp(fp) { } + + virtual void Output(const wxString& str); + +protected: + // return the string with "\n" appended if it doesn't already terminate + // with it (in which case it's returned unchanged) + wxString AppendLineFeedIfNeeded(const wxString& str); - virtual void Printf(const wxChar* format, ...) ATTRIBUTE_PRINTF_2; + FILE *m_fp; }; // ---------------------------------------------------------------------------- -// implementation which sends output to stderr +// implementation showing the message to the user in "best" possible way: +// uses stderr or message box if available according to the flag given to ctor. // ---------------------------------------------------------------------------- -class WXDLLIMPEXP_BASE wxMessageOutputStderr : public wxMessageOutput +enum wxMessageOutputFlags +{ + wxMSGOUT_PREFER_STDERR = 0, // use stderr if available (this is the default) + wxMSGOUT_PREFER_MSGBOX = 1 // always use message box if available +}; + +class WXDLLIMPEXP_BASE wxMessageOutputBest : public wxMessageOutputStderr { public: - wxMessageOutputStderr() { } + wxMessageOutputBest(wxMessageOutputFlags flags = wxMSGOUT_PREFER_STDERR) + : m_flags(flags) { } - virtual void Printf(const wxChar* format, ...) ATTRIBUTE_PRINTF_2; + virtual void Output(const wxString& str); + +private: + wxMessageOutputFlags m_flags; }; // ---------------------------------------------------------------------------- // implementation which shows output in a message box // ---------------------------------------------------------------------------- -#if wxUSE_GUI +#if wxUSE_GUI && wxUSE_MSGDLG class WXDLLIMPEXP_CORE wxMessageOutputMessageBox : public wxMessageOutput { public: wxMessageOutputMessageBox() { } - virtual void Printf(const wxChar* format, ...) ATTRIBUTE_PRINTF_2; + virtual void Output(const wxString& str); }; -#endif // wxUSE_GUI +#endif // wxUSE_GUI && wxUSE_MSGDLG // ---------------------------------------------------------------------------- // implementation using the native way of outputting debug messages // ---------------------------------------------------------------------------- -class WXDLLIMPEXP_BASE wxMessageOutputDebug : public wxMessageOutput +class WXDLLIMPEXP_BASE wxMessageOutputDebug : public wxMessageOutputStderr { public: wxMessageOutputDebug() { } - virtual void Printf(const wxChar* format, ...) ATTRIBUTE_PRINTF_2; + virtual void Output(const wxString& str); }; // ---------------------------------------------------------------------------- @@ -106,8 +180,7 @@ class WXDLLIMPEXP_BASE wxMessageOutputLog : public wxMessageOutput public: wxMessageOutputLog() { } - virtual void Printf(const wxChar* format, ...) ATTRIBUTE_PRINTF_2; + virtual void Output(const wxString& str); }; -#endif - // _WX_MSGOUT_H_ +#endif // _WX_MSGOUT_H_