X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/536b70ac680647cd72b71c21102869f750b73cab..878711c01c1b9ad5b97d35f379a048b8ce1bfb49:/src/common/appcmn.cpp?ds=inline diff --git a/src/common/appcmn.cpp b/src/common/appcmn.cpp index eac7451a4b..25bda2572b 100644 --- a/src/common/appcmn.cpp +++ b/src/common/appcmn.cpp @@ -32,6 +32,9 @@ #include "wx/app.h" #include "wx/intl.h" #include "wx/list.h" + #if wxUSE_LOG + #include "wx/log.h" + #endif // wxUSE_LOG #if wxUSE_GUI #include "wx/msgdlg.h" #endif // wxUSE_GUI @@ -42,7 +45,11 @@ #include "wx/confbase.h" #include "wx/tokenzr.h" #include "wx/utils.h" -#include "wx/artprov.h" +#include "wx/msgout.h" + +#if wxUSE_GUI + #include "wx/artprov.h" +#endif // wxUSE_GUI #if !defined(__WXMSW__) || defined(__WXMICROWIN__) #include // for SIGTRAP used by wxTrap() @@ -56,6 +63,11 @@ #include "wx/mac/private.h" // includes mac headers #endif +// private functions prototypes +#ifdef __WXDEBUG__ + static void LINKAGEMODE SetTraceMasks(); +#endif // __WXDEBUG__ + // =========================================================================== // implementation // =========================================================================== @@ -64,19 +76,6 @@ // initialization and termination // ---------------------------------------------------------------------------- -#ifdef __WXDEBUG__ -static void LINKAGEMODE SetTraceMasks() -{ - wxString mask; - if ( wxGetEnv(wxT("WXTRACE"), &mask) ) - { - wxStringTokenizer tkn(mask, wxT(",")); - while ( tkn.HasMoreTokens() ) - wxLog::AddTraceMask(tkn.GetNextToken()); - } -} -#endif - wxAppBase::wxAppBase() { wxTheApp = (wxApp *)this; @@ -88,8 +87,21 @@ wxAppBase::wxAppBase() #if wxUSE_GUI m_topWindow = (wxWindow *)NULL; m_useBestVisual = FALSE; - m_exitOnFrameDelete = TRUE; m_isActive = TRUE; + + // We don't want to exit the app if the user code shows a dialog from its + // OnInit() -- but this is what would happen if we set m_exitOnFrameDelete + // to Yes initially as this dialog would be the last top level window. + // OTOH, if we set it to No initially we'll have to overwrite it with Yes + // when we enter our OnRun() because we do want the default behaviour from + // then on. But this would be a problem if the user code calls + // SetExitOnFrameDelete(FALSE) from OnInit(). + // + // So we use the special "Later" value which is such that + // GetExitOnFrameDelete() returns FALSE for it but which we know we can + // safely (i.e. without losing the effect of the users SetExitOnFrameDelete + // call) overwrite in OnRun() + m_exitOnFrameDelete = Later; #endif // wxUSE_GUI #ifdef __WXDEBUG__ @@ -103,18 +115,30 @@ wxAppBase::~wxAppBase() } #if wxUSE_GUI + bool wxAppBase::OnInitGui() { #ifdef __WXUNIVERSAL__ if ( !wxTheme::Get() && !wxTheme::CreateDefault() ) return FALSE; - wxArtProvider *art = wxTheme::Get()->GetArtProvider(); - if ( art ) - wxArtProvider::PushProvider(art); #endif // __WXUNIVERSAL__ return TRUE; } + +int wxAppBase::OnRun() +{ + // see the comment in ctor: if the initial value hasn't been changed, use + // the default Yes from now on + if ( m_exitOnFrameDelete == Later ) + { + m_exitOnFrameDelete = Yes; + } + //else: it has been changed, assume the user knows what he is doing + + return MainLoop(); +} + #endif // wxUSE_GUI int wxAppBase::OnExit() @@ -129,9 +153,49 @@ int wxAppBase::OnExit() delete wxTheme::Set(NULL); #endif // __WXUNIVERSAL__ + // use Set(NULL) and not Get() to avoid creating a message output object on + // demand when we just want to delete it + delete wxMessageOutput::Set(NULL); + return 0; } +// ---------------------------------------------------------------------------- +// customization hooks +// ---------------------------------------------------------------------------- + +#if wxUSE_LOG + +wxLog *wxAppBase::CreateLogTarget() +{ +#if wxUSE_GUI && wxUSE_LOGGUI && !defined(__WXMICROWIN__) + return new wxLogGui; +#else // !GUI + return new wxLogStderr; +#endif // wxUSE_GUI +} + +#endif // wxUSE_LOG + +wxMessageOutput *wxAppBase::CreateMessageOutput() +{ + // The standard way of printing help on command line arguments (app --help) + // is (according to common practice): + // - console apps: to stderr (on any platform) + // - GUI apps: stderr on Unix platforms (!) + // message box under Windows and others +#if wxUSE_GUI && !defined(__UNIX__) + // wxMessageOutputMessageBox doesn't work under Motif + #ifdef __WXMOTIF__ + return new wxMessageOutputLog; + #else + return new wxMessageOutputMessageBox; + #endif +#else // !wxUSE_GUI || __UNIX__ + return new wxMessageOutputStderr; +#endif +} + // --------------------------------------------------------------------------- // wxAppBase // ---------------------------------------------------------------------------- @@ -148,10 +212,10 @@ void wxAppBase::ProcessPendingEvents() } // iterate until the list becomes empty - wxNode *node = wxPendingEvents->First(); + wxNode *node = wxPendingEvents->GetFirst(); while (node) { - wxEvtHandler *handler = (wxEvtHandler *)node->Data(); + wxEvtHandler *handler = (wxEvtHandler *)node->GetData(); delete node; // In ProcessPendingEvents(), new handlers might be add @@ -160,7 +224,7 @@ void wxAppBase::ProcessPendingEvents() handler->ProcessPendingEvents(); wxENTER_CRIT_SECT( *wxPendingEventsLocker ); - node = wxPendingEvents->First(); + node = wxPendingEvents->GetFirst(); } wxLEAVE_CRIT_SECT( *wxPendingEventsLocker ); @@ -187,6 +251,12 @@ void wxAppBase::SetActive(bool active, wxWindow * WXUNUSED(lastFocus)) #endif // wxUSE_GUI +int wxAppBase::FilterEvent(wxEvent& WXUNUSED(event)) +{ + // process the events normally by default + return -1; +} + // ---------------------------------------------------------------------------- // cmd line parsing // ---------------------------------------------------------------------------- @@ -246,7 +316,9 @@ void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser) wxCMD_LINE_SWITCH, _T(""), OPTION_VERBOSE, - gettext_noop("generate verbose log messages") + gettext_noop("generate verbose log messages"), + wxCMD_LINE_VAL_NONE, + 0x0 }, #endif // wxUSE_LOG @@ -256,7 +328,8 @@ void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser) _T(""), OPTION_THEME, gettext_noop("specify the theme to use"), - wxCMD_LINE_VAL_STRING + wxCMD_LINE_VAL_STRING, + 0x0 }, #endif // __WXUNIVERSAL__ @@ -269,12 +342,20 @@ void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser) _T(""), OPTION_MODE, gettext_noop("specify display mode to use (e.g. 640x480-16)"), - wxCMD_LINE_VAL_STRING + wxCMD_LINE_VAL_STRING, + 0x0 }, #endif // __WXMGL__ // terminator - { wxCMD_LINE_NONE } + { + wxCMD_LINE_NONE, + _T(""), + _T(""), + _T(""), + wxCMD_LINE_VAL_NONE, + 0x0 + } }; parser.SetDesc(cmdLineDesc); @@ -297,10 +378,11 @@ bool wxAppBase::OnCmdLineParsed(wxCmdLineParser& parser) if ( !theme ) { wxLogError(_("Unsupported theme '%s'."), themeName.c_str()); - return FALSE; } + // Delete the defaultly created theme and set the new theme. + delete wxTheme::Get(); wxTheme::Set(theme); } #endif // __WXUNIVERSAL__ @@ -313,7 +395,6 @@ bool wxAppBase::OnCmdLineParsed(wxCmdLineParser& parser) if ( wxSscanf(modeDesc.c_str(), _T("%ux%u-%u"), &w, &h, &bpp) != 3 ) { wxLogError(_("Invalid display mode specification '%s'."), modeDesc.c_str()); - return FALSE; } @@ -345,8 +426,64 @@ bool wxAppBase::OnCmdLineError(wxCmdLineParser& parser) // debugging support // ---------------------------------------------------------------------------- +/* static */ +bool wxAppBase::CheckBuildOptions(const wxBuildOptions& opts) +{ +#define wxCMP(what) (what == opts.m_ ## what) + + bool +#ifdef __WXDEBUG__ + isDebug = TRUE; +#else + isDebug = FALSE; +#endif + + int verMaj = wxMAJOR_VERSION, + verMin = wxMINOR_VERSION; + + if ( !(wxCMP(isDebug) && wxCMP(verMaj) && wxCMP(verMin)) ) + { + wxString msg; + wxString libDebug, progDebug; + + if (isDebug) + libDebug = wxT("debug"); + else + libDebug = wxT("no debug"); + + if (opts.m_isDebug) + progDebug = wxT("debug"); + else + progDebug = wxT("no debug"); + + msg.Printf(_T("Mismatch between the program and library build versions detected.\nThe library used %d.%d (%s), and your program used %d.%d (%s)."), + verMaj, verMin, libDebug.c_str(), opts.m_verMaj, opts.m_verMin, progDebug.c_str()); + + wxLogFatalError(msg); + + // normally wxLogFatalError doesn't return + return FALSE; + } +#undef wxCMP + + return TRUE; +} + #ifdef __WXDEBUG__ +static void LINKAGEMODE SetTraceMasks() +{ +#if wxUSE_LOG + wxString mask; + if ( wxGetEnv(wxT("WXTRACE"), &mask) ) + { + wxStringTokenizer tkn(mask, wxT(",")); + while ( tkn.HasMoreTokens() ) + wxLog::AddTraceMask(tkn.GetNextToken()); + } +#endif // wxUSE_LOG +} + // wxASSERT() helper bool wxAssertIsEqual(int x, int y) { @@ -371,25 +508,35 @@ void wxTrap() #endif // Win/Unix } + +void wxAssert(int cond, + const wxChar *szFile, + int nLine, + const wxChar *szCond, + const wxChar *szMsg) +{ + if ( !cond ) + wxOnAssert(szFile, nLine, szCond, szMsg); +} + // show the assert modal dialog static -void ShowAssertDialog(const wxChar *szFile, int nLine, const wxChar *szMsg) +void ShowAssertDialog(const wxChar *szFile, + int nLine, + const wxChar *szCond, + const wxChar *szMsg) { // this variable can be set to true to suppress "assert failure" messages static bool s_bNoAsserts = FALSE; wxChar szBuf[4096]; - // make life easier for people using VC++ IDE: clicking on the message - // will take us immediately to the place of the failed assert + // make life easier for people using VC++ IDE by using this format: like + // this, clicking on the message will take us immediately to the place of + // the failed assert wxSnprintf(szBuf, WXSIZEOF(szBuf), -#ifdef __VISUALC__ - wxT("%s(%d): assert failed"), -#else // !VC++ - // make the error message more clear for all the others - wxT("Assert failed in file %s at line %d"), -#endif // VC/!VC - szFile, nLine); + wxT("%s(%d): assert \"%s\" failed"), + szFile, nLine, szCond); if ( szMsg != NULL ) { @@ -401,6 +548,24 @@ void ShowAssertDialog(const wxChar *szFile, int nLine, const wxChar *szMsg) wxStrcat(szBuf, wxT(".")); } +#if wxUSE_THREADS + // if we are not in the main thread, + // output the assert directly and trap since dialogs cannot be displayed + if (!wxThread::IsMain()) { + wxStrcat(szBuf, wxT(" [in child thread]")); +#if defined(__WXMSW__) && !defined(__WXMICROWIN__) + wxStrcat(szBuf, wxT("\r\n")); + OutputDebugString(szBuf); +#else + // send to stderr + wxFprintf(stderr, wxT("%s\n"), szBuf); + fflush(stderr); +#endif + // He-e-e-e-elp!! we're asserting in a child thread + wxTrap(); + } +#endif // wxUSE_THREADS + if ( !s_bNoAsserts ) { // send it to the normal log destination @@ -450,7 +615,10 @@ void ShowAssertDialog(const wxChar *szFile, int nLine, const wxChar *szMsg) } // this function is called when an assert fails -void wxOnAssert(const wxChar *szFile, int nLine, const wxChar *szMsg) +void wxOnAssert(const wxChar *szFile, + int nLine, + const wxChar *szCond, + const wxChar *szMsg) { // FIXME MT-unsafe static bool s_bInAssert = FALSE; @@ -471,20 +639,23 @@ void wxOnAssert(const wxChar *szFile, int nLine, const wxChar *szMsg) { // by default, show the assert dialog box - we can't customize this // behaviour - ShowAssertDialog(szFile, nLine, szMsg); + ShowAssertDialog(szFile, nLine, szCond, szMsg); } else { // let the app process it as it wants - wxTheApp->OnAssert(szFile, nLine, szMsg); + wxTheApp->OnAssert(szFile, nLine, szCond, szMsg); } s_bInAssert = FALSE; } -void wxAppBase::OnAssert(const wxChar *file, int line, const wxChar *msg) +void wxAppBase::OnAssert(const wxChar *file, + int line, + const wxChar *cond, + const wxChar *msg) { - ShowAssertDialog(file, line, msg); + ShowAssertDialog(file, line, cond, msg); } #endif //WXDEBUG