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fixedb ug with normalization of UNC paths (patch 558701)
[wxWidgets.git] / src / common / appcmn.cpp
diff --git a/src/common/appcmn.cpp b/src/common/appcmn.cpp
index 357f388c085c0a65b1f7699982ae9625bb1d20e3..3e0ecff92977985e9598e089c19217f31f80a29b 100644 (file)
--- a/src/common/appcmn.cpp
+++ b/src/common/appcmn.cpp
@@ -30,14 +30,103 @@
 
 #ifndef WX_PRECOMP
     #include "wx/app.h"
 
 #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
 
 #endif
 
+#include "wx/cmdline.h"
 #include "wx/thread.h"
 #include "wx/thread.h"
+#include "wx/confbase.h"
+#include "wx/tokenzr.h"
+#include "wx/utils.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
 // ===========================================================================
 
 
 // ===========================================================================
 // 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_exitOnFrameDelete = TRUE;
+    m_isActive = TRUE;
+#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;
+    wxArtProvider *art = wxTheme::Get()->GetArtProvider();
+    if ( art )
+        wxArtProvider::PushProvider(art);
+#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
 // ----------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // wxAppBase
 // ----------------------------------------------------------------------------
@@ -45,21 +134,409 @@
 void wxAppBase::ProcessPendingEvents()
 {
     // ensure that we're the only thread to modify the pending events list
 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 )
 
     if ( !wxPendingEvents )
+    {
+        wxLEAVE_CRIT_SECT( *wxPendingEventsLocker );
         return;
         return;
+    }
 
     // iterate until the list becomes empty
     wxNode *node = wxPendingEvents->First();
     while (node)
     {
         wxEvtHandler *handler = (wxEvtHandler *)node->Data();
 
     // 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();
         handler->ProcessPendingEvents();
+        wxENTER_CRIT_SECT( *wxPendingEventsLocker );
 
 
-        delete node;
         node = wxPendingEvents->First();
     }
         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
+
+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;
+        }
+
+        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)) )
+    {
+        wxLogFatalError(_T("Mismatch between the program and library build ")
+                        _T("versions detected."));
+
+        // normally wxLogFatalError doesn't return
+        return FALSE;
+    }
+#undef wxCMP
+
+    return TRUE;
 }
 
 }
 
+#ifdef  __WXDEBUG__
+
+static void LINKAGEMODE SetTraceMasks()
+{
+    wxString mask;
+    if ( wxGetEnv(wxT("WXTRACE"), &mask) )
+    {
+        wxStringTokenizer tkn(mask, wxT(","));
+        while ( tkn.HasMoreTokens() )
+            wxLog::AddTraceMask(tkn.GetNextToken());
+    }
+}
+
+// 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
+}
+
+// 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;
+
+    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
+    }
+}
+
+// this function is called when an assert fails
+void wxOnAssert(const wxChar *szFile, int nLine, 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, szMsg);
+    }
+    else
+    {
+        // let the app process it as it wants
+        wxTheApp->OnAssert(szFile, nLine, szMsg);
+    }
+
+    s_bInAssert = FALSE;
+}
+
+void wxAppBase::OnAssert(const wxChar *file, int line, const wxChar *msg)
+{
+    ShowAssertDialog(file, line, msg);
+}
+
+#endif  //WXDEBUG
+
wxWidgets (Impactor)