#ifndef WX_PRECOMP
#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
#endif
+#include "wx/cmdline.h"
#include "wx/thread.h"
+#include "wx/confbase.h"
+#include "wx/tokenzr.h"
+#include "wx/utils.h"
+#include "wx/msgout.h"
+
+#if wxUSE_GUI
+ #include "wx/artprov.h"
+#endif // wxUSE_GUI
+
+#if !defined(__WXMSW__) || defined(__WXMICROWIN__)
+ #include <signal.h> // for SIGTRAP used by wxTrap()
+#endif //Win/Unix
+
+#if defined(__WXMSW__)
+ #include "wx/msw/private.h" // includes windows.h for MessageBox()
+#endif
+
+#if defined(__WXMAC__)
+ #include "wx/mac/private.h" // includes mac headers
+#endif
+
+// private functions prototypes
+#ifdef __WXDEBUG__
+ static void LINKAGEMODE SetTraceMasks();
+#endif // __WXDEBUG__
// ===========================================================================
// implementation
// ===========================================================================
+// ----------------------------------------------------------------------------
+// initialization and termination
+// ----------------------------------------------------------------------------
+
+wxAppBase::wxAppBase()
+{
+ wxTheApp = (wxApp *)this;
+
+#if WXWIN_COMPATIBILITY_2_2
+ m_wantDebugOutput = FALSE;
+#endif // WXWIN_COMPATIBILITY_2_2
+
+#if wxUSE_GUI
+ m_topWindow = (wxWindow *)NULL;
+ m_useBestVisual = FALSE;
+ 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__
+ SetTraceMasks();
+#endif
+}
+
+wxAppBase::~wxAppBase()
+{
+ // this destructor is required for Darwin
+}
+
+#if wxUSE_GUI
+
+bool wxAppBase::OnInitGui()
+{
+#ifdef __WXUNIVERSAL__
+ if ( !wxTheme::Get() && !wxTheme::CreateDefault() )
+ return FALSE;
+#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()
+{
+#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__
+
+ // 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
// ----------------------------------------------------------------------------
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();
+ 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
+ // and we can safely leave the critical section here.
+ wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
handler->ProcessPendingEvents();
+ wxENTER_CRIT_SECT( *wxPendingEventsLocker );
- delete node;
- node = wxPendingEvents->First();
+ node = wxPendingEvents->GetFirst();
+ }
+
+ 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
+
+int wxAppBase::FilterEvent(wxEvent& WXUNUSED(event))
+{
+ // process the events normally by default
+ return -1;
+}
+
+// ----------------------------------------------------------------------------
+// cmd line parsing
+// ----------------------------------------------------------------------------
+
+bool wxAppBase::OnInit()
+{
+#if wxUSE_CMDLINE_PARSER
+ wxCmdLineParser parser(argc, argv);
+
+ OnInitCmdLine(parser);
+
+ bool cont;
+ switch ( parser.Parse(FALSE /* don't show usage */) )
+ {
+ 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")
+#define OPTION_MODE _T("mode")
+
+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"),
+ wxCMD_LINE_VAL_NONE,
+ 0x0
+ },
+#endif // wxUSE_LOG
+
+#ifdef __WXUNIVERSAL__
+ {
+ wxCMD_LINE_OPTION,
+ _T(""),
+ OPTION_THEME,
+ gettext_noop("specify the theme to use"),
+ wxCMD_LINE_VAL_STRING,
+ 0x0
+ },
+#endif // __WXUNIVERSAL__
+
+#if defined(__WXMGL__)
+ // VS: this is not specific to wxMGL, all fullscreen (framebuffer) ports
+ // should provide this option. That's why it is in common/appcmn.cpp
+ // and not mgl/app.cpp
+ {
+ wxCMD_LINE_OPTION,
+ _T(""),
+ OPTION_MODE,
+ gettext_noop("specify display mode to use (e.g. 640x480-16)"),
+ wxCMD_LINE_VAL_STRING,
+ 0x0
+ },
+#endif // __WXMGL__
+
+ // terminator
+ {
+ wxCMD_LINE_NONE,
+ _T(""),
+ _T(""),
+ _T(""),
+ wxCMD_LINE_VAL_NONE,
+ 0x0
+ }
+ };
+
+ 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;
+ }
+
+ // Delete the defaultly created theme and set the new theme.
+ delete wxTheme::Get();
+ wxTheme::Set(theme);
+ }
+#endif // __WXUNIVERSAL__
+
+#if defined(__WXMGL__)
+ wxString modeDesc;
+ if ( parser.Found(OPTION_MODE, &modeDesc) )
+ {
+ unsigned w, h, bpp;
+ if ( wxSscanf(modeDesc.c_str(), _T("%ux%u-%u"), &w, &h, &bpp) != 3 )
+ {
+ wxLogError(_("Invalid display mode specification '%s'."), modeDesc.c_str());
+ return FALSE;
+ }
+
+ if ( !SetDisplayMode(wxDisplayModeInfo(w, h, bpp)) )
+ return FALSE;
+ }
+#endif // __WXMGL__
+
+ 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
+// ----------------------------------------------------------------------------
+
+/* 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)
+{
+ return x == y;
+}
+
+// break into the debugger
+void wxTrap()
+{
+#if defined(__WXMSW__) && !defined(__WXMICROWIN__)
+ DebugBreak();
+#elif defined(__WXMAC__) && !defined(__DARWIN__)
+#if __powerc
+ Debugger();
+#else
+ SysBreak();
+#endif
+#elif defined(__UNIX__)
+ raise(SIGTRAP);
+#else
+ // TODO
+#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 *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 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),
+ wxT("%s(%d): assert \"%s\" failed"),
+ szFile, nLine, szCond);
+
+ if ( szMsg != NULL )
+ {
+ wxStrcat(szBuf, wxT(": "));
+ wxStrcat(szBuf, szMsg);
+ }
+ else // no message given
+ {
+ 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
+ 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
+ }
+}
+
+// this function is called when an assert fails
+void wxOnAssert(const wxChar *szFile,
+ int nLine,
+ const wxChar *szCond,
+ const wxChar *szMsg)
+{
+ // FIXME MT-unsafe
+ static bool s_bInAssert = FALSE;
+
+ if ( s_bInAssert )
+ {
+ // He-e-e-e-elp!! we're trapped in endless loop
+ wxTrap();
+
+ s_bInAssert = FALSE;
+
+ return;
+ }
+
+ s_bInAssert = TRUE;
+
+ if ( !wxTheApp )
+ {
+ // by default, show the assert dialog box - we can't customize this
+ // behaviour
+ ShowAssertDialog(szFile, nLine, szCond, szMsg);
+ }
+ else
+ {
+ // let the app process it as it wants
+ wxTheApp->OnAssert(szFile, nLine, szCond, szMsg);
+ }
+
+ s_bInAssert = FALSE;
+}
+
+void wxAppBase::OnAssert(const wxChar *file,
+ int line,
+ const wxChar *cond,
+ const wxChar *msg)
+{
+ ShowAssertDialog(file, line, cond, msg);
+}
+
+#endif //WXDEBUG
+
projects / wxWidgets.git / blobdiff