X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/97c79de27c368de18afab3ca655bc48a4d53fc30..124193837f27d1fb75b9607f0e005b9897d1e320:/src/common/appcmn.cpp diff --git a/src/common/appcmn.cpp b/src/common/appcmn.cpp index 7cf023dc9f..608a40ea4e 100644 --- a/src/common/appcmn.cpp +++ b/src/common/appcmn.cpp @@ -30,9 +30,74 @@ #ifndef WX_PRECOMP #include "wx/app.h" + #include "wx/intl.h" + #include "wx/list.h" + #if wxUSE_GUI + #include "wx/msgdlg.h" + #endif // wxUSE_GUI #endif +#include "wx/cmdline.h" #include "wx/thread.h" +#include "wx/confbase.h" + +#if !defined(__WXMSW__) || defined(__WXMICROWIN__) + #include // for SIGTRAP used by wxTrap() +#endif //Win/Unix + +#if defined(__WXMSW__) + #include "wx/msw/private.h" // includes windows.h for MessageBox() +#endif + +// =========================================================================== +// implementation +// =========================================================================== + +// ---------------------------------------------------------------------------- +// initialization and termination +// ---------------------------------------------------------------------------- + +wxAppBase::wxAppBase() +{ + wxTheApp = (wxApp *)this; + + // VZ: what's this? is it obsolete? + m_wantDebugOutput = FALSE; + +#if wxUSE_GUI + m_topWindow = (wxWindow *)NULL; + m_useBestVisual = FALSE; + m_exitOnFrameDelete = TRUE; + m_isActive = TRUE; +#endif // wxUSE_GUI +} + +#if wxUSE_GUI +bool wxAppBase::OnInitGui() +{ +#ifdef __WXUNIVERSAL__ + if ( !wxTheme::Get() && !wxTheme::CreateDefault() ) + return FALSE; +#endif // __WXUNIVERSAL__ + + return TRUE; +} +#endif // wxUSE_GUI + +int wxAppBase::OnExit() +{ +#if wxUSE_CONFIG + // delete the config object if any (don't use Get() here, but Set() + // because Get() could create a new config object) + delete wxConfigBase::Set((wxConfigBase *) NULL); +#endif // wxUSE_CONFIG + +#ifdef __WXUNIVERSAL__ + delete wxTheme::Set(NULL); +#endif // __WXUNIVERSAL__ + + return 0; +} // --------------------------------------------------------------------------- // wxAppBase @@ -41,21 +106,320 @@ void wxAppBase::ProcessPendingEvents() { // ensure that we're the only thread to modify the pending events list - wxCRIT_SECT_LOCKER(locker, wxPendingEventsLocker); + wxENTER_CRIT_SECT( *wxPendingEventsLocker ); if ( !wxPendingEvents ) + { + wxLEAVE_CRIT_SECT( *wxPendingEventsLocker ); return; + } // iterate until the list becomes empty wxNode *node = wxPendingEvents->First(); while (node) { wxEvtHandler *handler = (wxEvtHandler *)node->Data(); + delete node; + // In ProcessPendingEvents(), new handlers might be add + // and we can safely leave the critical section here. + wxLEAVE_CRIT_SECT( *wxPendingEventsLocker ); handler->ProcessPendingEvents(); + wxENTER_CRIT_SECT( *wxPendingEventsLocker ); - delete node; node = wxPendingEvents->First(); } + + wxLEAVE_CRIT_SECT( *wxPendingEventsLocker ); +} + +// ---------------------------------------------------------------------------- +// misc +// ---------------------------------------------------------------------------- + +#if wxUSE_GUI + +void wxAppBase::SetActive(bool active, wxWindow * WXUNUSED(lastFocus)) +{ + if ( active == m_isActive ) + return; + + m_isActive = active; + + wxActivateEvent event(wxEVT_ACTIVATE_APP, active); + event.SetEventObject(this); + + (void)ProcessEvent(event); +} + +#endif // wxUSE_GUI + +// ---------------------------------------------------------------------------- +// cmd line parsing +// ---------------------------------------------------------------------------- + +bool wxAppBase::OnInit() +{ +#if wxUSE_CMDLINE_PARSER + wxCmdLineParser parser(argc, argv); + + OnInitCmdLine(parser); + + bool cont; + switch ( parser.Parse() ) + { + case -1: + cont = OnCmdLineHelp(parser); + break; + + case 0: + cont = OnCmdLineParsed(parser); + break; + + default: + cont = OnCmdLineError(parser); + break; + } + + if ( !cont ) + return FALSE; +#endif // wxUSE_CMDLINE_PARSER + + return TRUE; +} + +#if wxUSE_CMDLINE_PARSER + +#define OPTION_VERBOSE _T("verbose") +#define OPTION_THEME _T("theme") + +void wxAppBase::OnInitCmdLine(wxCmdLineParser& parser) +{ + // the standard command line options + static const wxCmdLineEntryDesc cmdLineDesc[] = + { + { + wxCMD_LINE_SWITCH, + _T("h"), + _T("help"), + gettext_noop("show this help message"), + wxCMD_LINE_VAL_NONE, + wxCMD_LINE_OPTION_HELP + }, + +#if wxUSE_LOG + { + wxCMD_LINE_SWITCH, + _T(""), + OPTION_VERBOSE, + gettext_noop("generate verbose log messages") + }, +#endif // wxUSE_LOG + +#ifdef __WXUNIVERSAL__ + { + wxCMD_LINE_OPTION, + _T(""), + OPTION_THEME, + gettext_noop("specify the theme to use"), + wxCMD_LINE_VAL_STRING + }, +#endif // __WXUNIVERSAL__ + + // terminator + { wxCMD_LINE_NONE } + }; + + parser.SetDesc(cmdLineDesc); +} + +bool wxAppBase::OnCmdLineParsed(wxCmdLineParser& parser) +{ +#if wxUSE_LOG + if ( parser.Found(OPTION_VERBOSE) ) + { + wxLog::SetVerbose(TRUE); + } +#endif // wxUSE_LOG + +#ifdef __WXUNIVERSAL__ + wxString themeName; + if ( parser.Found(OPTION_THEME, &themeName) ) + { + wxTheme *theme = wxTheme::Create(themeName); + if ( !theme ) + { + wxLogError(_("Unsupported theme '%s'."), themeName.c_str()); + + return FALSE; + } + + wxTheme::Set(theme); + } +#endif // __WXUNIVERSAL__ + + return TRUE; +} + +bool wxAppBase::OnCmdLineHelp(wxCmdLineParser& parser) +{ + parser.Usage(); + + return FALSE; +} + +bool wxAppBase::OnCmdLineError(wxCmdLineParser& parser) +{ + parser.Usage(); + + return FALSE; +} + +#endif // wxUSE_CMDLINE_PARSER + +// ---------------------------------------------------------------------------- +// debugging support +// ---------------------------------------------------------------------------- + +#ifdef __WXDEBUG__ + +// wxASSERT() helper +bool wxAssertIsEqual(int x, int y) +{ + return x == y; +} + +// break into the debugger +void wxTrap() +{ +#if defined(__WXMSW__) && !defined(__WXMICROWIN__) + DebugBreak(); +#elif defined(__WXMAC__) +#if __powerc + Debugger(); +#else + SysBreak(); +#endif +#elif defined(__UNIX__) + raise(SIGTRAP); +#else + // TODO +#endif // Win/Unix +} + +// show the assert modal dialog +static +void ShowAssertDialog(const wxChar *szFile, int nLine, const wxChar *szMsg) +{ + // this variable can be set to true to suppress "assert failure" messages + static bool s_bNoAsserts = FALSE; + static bool s_bInAssert = FALSE; // FIXME MT-unsafe + + if ( s_bInAssert ) + { + // He-e-e-e-elp!! we're trapped in endless loop + wxTrap(); + + s_bInAssert = FALSE; + + return; + } + + s_bInAssert = TRUE; + + 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 + 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); + + if ( szMsg != NULL ) + { + wxStrcat(szBuf, wxT(": ")); + wxStrcat(szBuf, szMsg); + } + else // no message given + { + wxStrcat(szBuf, wxT(".")); + } + + if ( !s_bNoAsserts ) + { + // send it to the normal log destination + wxLogDebug(szBuf); + +#if (wxUSE_GUI && wxUSE_MSGDLG) || defined(__WXMSW__) + // this message is intentionally not translated - it is for + // developpers only + wxStrcat(szBuf, wxT("\nDo you want to stop the program?\nYou can also choose [Cancel] to suppress further warnings.")); + + // use the native message box if available: this is more robust than + // using our own +#if defined(__WXMSW__) && !defined(__WXMICROWIN__) + switch ( ::MessageBox(NULL, szBuf, _T("Debug"), + MB_YESNOCANCEL | MB_ICONSTOP ) ) + { + case IDYES: + wxTrap(); + break; + + case IDCANCEL: + s_bNoAsserts = TRUE; + break; + + //case IDNO: nothing to do + } +#else // !MSW + switch ( wxMessageBox(szBuf, wxT("Debug"), + wxYES_NO | wxCANCEL | wxICON_STOP ) ) + { + case wxYES: + wxTrap(); + break; + + case wxCANCEL: + s_bNoAsserts = TRUE; + break; + + //case wxNO: nothing to do + } +#endif // GUI or MSW + +#else // !GUI + wxTrap(); +#endif // GUI/!GUI + } + + s_bInAssert = FALSE; +} + +// this function is called when an assert fails +void wxOnAssert(const wxChar *szFile, int nLine, const wxChar *szMsg) +{ + if ( !wxTheApp ) + { + // by default, show the assert dialog box - we can't customize this + // behaviour + ShowAssertDialog(szFile, nLine, szMsg); + } + else + { + // let the app process it as it wants + wxTheApp->OnAssert(szFile, nLine, szMsg); + } } +void wxAppBase::OnAssert(const wxChar *file, int line, const wxChar *msg) +{ + ShowAssertDialog(file, line, msg); +} + +#endif //WXDEBUG +