fixed crash in tables deallocation

[wxWidgets.git] / src / gtk / app.cpp

diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp
index 877850f5fb307f64991638f6cc465740da72948a..d3323035ce98db7a47017bf639deca033d519f72 100644 (file)
--- a/src/gtk/app.cpp
+++ b/src/gtk/app.cpp
@@ -2,42 +2,126 @@
 // Name:        app.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Name:        app.cpp
 // Purpose:
 // Author:      Robert Roebling

-// Created:     01/02/97
-// Id:
-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence:    wxWindows licence
+// Id:          $Id$
+// Copyright:   (c) 1998 Robert Roebling, Julian Smart
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__

-#pragma implementation "app.h"
+    #pragma implementation "appbase.h"
+    #pragma implementation "app.h"

 #endif
 
 #include "wx/app.h"
 #include "wx/gdicmn.h"
 #include "wx/utils.h"
 #endif
 
 #include "wx/app.h"
 #include "wx/gdicmn.h"
 #include "wx/utils.h"

-#include "wx/postscrp.h"

 #include "wx/intl.h"
 #include "wx/log.h"
 #include "wx/memory.h"
 #include "wx/font.h"
 #include "wx/settings.h"
 #include "wx/intl.h"
 #include "wx/log.h"
 #include "wx/memory.h"
 #include "wx/font.h"
 #include "wx/settings.h"

-#include "wx/resource.h"
+#include "wx/dialog.h"

 
 

-#include "unistd.h"
+#if wxUSE_WX_RESOURCES
+    #include "wx/resource.h"
+#endif
+
+#include "wx/module.h"
+#include "wx/image.h"

 
 

-#ifdef USE_GDK_IMLIB
-#include "../gdk_imlib/gdk_imlib.h"
+#if wxUSE_THREADS
+#include "wx/thread.h"

 #endif
 
 #endif
 

+#include "unistd.h"
+
+#include "glib.h"
+#include "gdk/gdk.h"
+#include "gtk/gtk.h"
+
+#include "wx/gtk/win_gtk.h"
+

 //-----------------------------------------------------------------------------
 // global data
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 // global data
 //-----------------------------------------------------------------------------
 

-wxApp *wxTheApp = NULL;
-wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
+wxApp *wxTheApp = (wxApp *)  NULL;
+wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;

 
 

-extern wxList wxPendingDelete;
+#if wxUSE_THREADS
+extern wxList *wxPendingEvents;
+extern wxCriticalSection *wxPendingEventsLocker;
+#endif

 extern wxResourceCache *wxTheResourceCache;
 extern wxResourceCache *wxTheResourceCache;

+extern bool g_isIdle;
+
+unsigned char g_palette[64*3] =
+{
+  0x0,  0x0,  0x0,
+  0xff, 0xff, 0xff,
+  0xff, 0x0,  0x0,
+  0xff, 0xff, 0x0,
+  0x0,  0xff, 0x0,
+  0x0,  0x0,  0xff,
+  0x0,  0xff, 0xff,
+  0x99, 0x99, 0x99,
+  0xff, 0x88, 0x0,
+  0x88, 0x0,  0x0,
+  0x0,  0x88, 0x88,
+  0x88, 0x88, 0x0,
+  0xff, 0xcc, 0x97,
+  0xbb, 0xbb, 0xbb,
+  0x9f, 0x6b, 0x42,
+  0x55, 0x55, 0x55,
+  0xdd, 0xdd, 0xdd,
+  0x77, 0x77, 0x77,
+  0x33, 0x33, 0x33,
+  0xcc, 0x0,  0x0,
+  0xff, 0x44, 0x0,
+  0xff, 0xcc, 0x0,
+  0xcc, 0xcc, 0x0,
+  0x60, 0x60, 0x0,
+  0x0,  0x43, 0x0,
+  0x0,  0x7f, 0x0,
+  0x0,  0xcc, 0x0,
+  0x0,  0x44, 0x44,
+  0x0,  0x0,  0x44,
+  0x0,  0x0,  0x88,
+  0xef, 0xb1, 0x7b,
+  0xdf, 0x98, 0x5f,
+  0xbf, 0x87, 0x56,
+  0x7f, 0x57, 0x26,
+  0x5f, 0x39, 0xc,
+  0x3f, 0x1c, 0x0,
+  0x21, 0x0,  0x0,
+  0x0,  0x43, 0x87,
+  0x2d, 0x70, 0xaf,
+  0x5a, 0x9e, 0xd7,
+  0x87, 0xcc, 0xff,
+  0xff, 0xe0, 0xba,
+  0x21, 0x43, 0xf,
+  0x3d, 0x5d, 0x25,
+  0x59, 0x78, 0x3a,
+  0x75, 0x93, 0x4f,
+  0x91, 0xae, 0x64,
+  0xad, 0xc8, 0x7a,
+  0xf0, 0xa8, 0xef,
+  0xd0, 0x88, 0xd0,
+  0xaf, 0x66, 0xaf,
+  0x8e, 0x44, 0x8e,
+  0x6d, 0x22, 0x6d,
+  0x4b, 0x0,  0x4b,
+  0xff, 0xc0, 0xbc,
+  0xff, 0x93, 0x91,
+  0xff, 0x66, 0x67,
+  0xd8, 0xf2, 0xbf,
+  0xff, 0xc9, 0x68,
+  0xff, 0x96, 0x67,
+  0xa5, 0x60, 0xff,
+  0x51, 0xff, 0x99,
+  0x3f, 0xa5, 0x63,
+  0x98, 0x90, 0x67
+};

 
 //-----------------------------------------------------------------------------
 // local functions
 
 //-----------------------------------------------------------------------------
 // local functions


@@ -49,16 +133,139 @@ extern void wxFlushResources(void);
 // global functions
 //-----------------------------------------------------------------------------
 
 // global functions
 //-----------------------------------------------------------------------------
 

-void wxExit(void)
+void wxExit()
+{
+    gtk_main_quit();
+}
+
+/* forward declaration */
+gint wxapp_idle_callback( gpointer WXUNUSED(data) );
+
+bool wxYield()
+{
+    bool has_idle = (wxTheApp->m_idleTag != 0);
+    
+    if (has_idle)
+    {
+        /* We need to temporarily remove idle callbacks or the loop will
+           never finish. */
+        gtk_idle_remove( wxTheApp->m_idleTag );
+        wxTheApp->m_idleTag = 0;
+    }
+
+    while (gtk_events_pending())
+        gtk_main_iteration();
+
+    /* it's necessary to call ProcessIdle() to update the frames sizes which
+       might have been changed (it also will update other things set from
+       OnUpdateUI() which is a nice (and desired) side effect) */
+    while (wxTheApp->ProcessIdle()) { }
+       
+    if (has_idle)
+    {
+        /* re-add idle handler */
+        wxTheApp->m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL );
+    }
+    
+    return TRUE;
+}
+
+gint wxapp_idle_callback( gpointer WXUNUSED(data) )
+{
+    if (!wxTheApp) return TRUE;
+    
+#if (GTK_MINOR_VERSION > 0)
+    /* when getting called from GDK's idle handler we
+       are no longer within GDK's grab on the GUI
+       thread so we must lock it here ourselves */
+    GDK_THREADS_ENTER ();
+#endif
+
+    /* sent idle event to all who request them */
+    while (wxTheApp->ProcessIdle()) { }
+
+    /* we don't want any more idle events until the next event is
+       sent to wxGTK */
+    gtk_idle_remove( wxTheApp->m_idleTag );
+    wxTheApp->m_idleTag = 0;
+
+    /* indicate that we are now in idle mode - even so deeply
+       in idle mode that we don't get any idle events anymore.
+       this is like wxMSW where an idle event is sent only
+       once each time after the event queue has been completely
+       emptied */
+    g_isIdle = TRUE;
+
+#if (GTK_MINOR_VERSION > 0)
+    /* release lock again */
+    GDK_THREADS_LEAVE ();
+#endif
+
+    return TRUE;
+}
+
+void wxapp_install_idle_handler()
+{
+    wxASSERT_MSG( wxTheApp->m_idleTag == 0, _T("attempt to install idle handler twice") );
+
+    /* this routine gets called by all event handlers
+       indicating that the idle is over. */
+
+    wxTheApp->m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL );
+
+    g_isIdle = FALSE;
+}
+
+#if wxUSE_THREADS
+
+/* forward declaration */
+static gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) );
+
+void wxapp_install_thread_wakeup()
+{
+    if (wxTheApp->m_wakeUpTimerTag) return;
+    
+    wxTheApp->m_wakeUpTimerTag = gtk_timeout_add( 100, wxapp_wakeup_timerout_callback, (gpointer) NULL );
+}
+
+void wxapp_uninstall_thread_wakeup()

 {
 {

-  gtk_main_quit();
+    if (!wxTheApp->m_wakeUpTimerTag) return;
+    
+    gtk_timeout_remove( wxTheApp->m_wakeUpTimerTag );
+    wxTheApp->m_wakeUpTimerTag = 0;

 }
 
 }
 

-bool wxYield(void)
+static gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) )

 {
 {

-  while (gtk_events_pending() > 0) gtk_main_iteration();
-  return TRUE;
+    wxapp_uninstall_thread_wakeup();
+
+#if (GTK_MINOR_VERSION > 0)
+    // when getting called from GDK's time-out handler
+    // we are no longer within GDK's grab on the GUI
+    // thread so we must lock it here ourselves
+    GDK_THREADS_ENTER ();
+#endif
+
+    // unblock other threads wishing to do some GUI things
+    wxMutexGuiLeave();
+
+    // wake up other threads
+    wxUsleep( 1 );
+
+    // block other thread again
+    wxMutexGuiEnter();
+
+#if (GTK_MINOR_VERSION > 0)
+    // release lock again
+    GDK_THREADS_LEAVE ();
+#endif
+
+    wxapp_install_thread_wakeup();
+
+    return TRUE;

 }
 }

+#endif

 
 //-----------------------------------------------------------------------------
 // wxApp
 
 //-----------------------------------------------------------------------------
 // wxApp


@@ -70,89 +277,194 @@ BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
     EVT_IDLE(wxApp::OnIdle)
 END_EVENT_TABLE()
 
     EVT_IDLE(wxApp::OnIdle)
 END_EVENT_TABLE()
 

-gint wxapp_idle_callback( gpointer WXUNUSED(data) )
-{
-  if (wxTheApp) while (wxTheApp->ProcessIdle()) {}
-  usleep( 10000 );
-  return TRUE;
-}
-

 wxApp::wxApp()
 {
 wxApp::wxApp()
 {

-  m_idleTag = 0;
-  m_topWindow = NULL;
-  m_exitOnFrameDelete = TRUE;
+    wxTheApp = this;
+
+    m_topWindow = (wxWindow *) NULL;
+    m_exitOnFrameDelete = TRUE;
+
+    m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL );
+
+#if wxUSE_THREADS
+    m_wakeUpTimerTag = 0;
+    wxapp_install_thread_wakeup();
+#endif
+
+    m_colorCube = (unsigned char*) NULL;

 }
 
 }
 

-wxApp::~wxApp(void)
+wxApp::~wxApp()

 {
 {

-  gtk_idle_remove( m_idleTag );
+    if (m_idleTag) gtk_idle_remove( m_idleTag );
+
+#if wxUSE_THREADS
+    wxapp_uninstall_thread_wakeup();
+#endif
+
+    if (m_colorCube) free(m_colorCube);

 }
 
 }
 

-bool wxApp::OnInit(void)
+bool wxApp::OnInitGui()

 {
 {

-  return TRUE;
-}
+    GdkVisual *visual = gdk_visual_get_system();

 
 

-bool wxApp::OnInitGui(void)
-{ 
-  m_idleTag = gtk_idle_add( wxapp_idle_callback, NULL );
-  return TRUE; 
-}
+    /* on some machines, the default visual is just 256 colours, so
+       we make sure we get the best. this can sometimes be wasteful,
+       of course, but what do these guys pay $30.000 for? */
+/*
+    if (gdk_visual_get_best() != gdk_visual_get_system())
+    {
+        GdkVisual* vis = gdk_visual_get_best();
+        gtk_widget_set_default_visual( vis );
+
+        GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
+        gtk_widget_set_default_colormap( colormap );
+
+        visual = vis;
+    }
+*/
+
+    /* Nothing to do for 15, 16, 24, 32 bit displays */
+    if (visual->depth > 8) return TRUE;

 
 

-int wxApp::OnRun(void) 
-{ 
-  return MainLoop(); 
+        /* this initiates the standard palette as defined by GdkImlib
+           in the GNOME libraries. it ensures that all GNOME applications
+           use the same 64 colormap entries on 8-bit displays so you
+           can use several rather graphics-heavy applications at the
+           same time.
+           NOTE: this doesn't really seem to work this way... */
+
+        /*
+        GdkColormap *cmap = gdk_colormap_new( gdk_visual_get_system(), TRUE );
+
+        for (int i = 0; i < 64; i++)
+        {
+            GdkColor col;
+            col.red    = g_palette[i*3 + 0] << 8;
+            col.green  = g_palette[i*3 + 1] << 8;
+            col.blue   = g_palette[i*3 + 2] << 8;
+            col.pixel  = 0;
+
+            gdk_color_alloc( cmap, &col );
+        }
+
+        gtk_widget_set_default_colormap( cmap );
+        */
+
+    /* initialize color cube for 8-bit color reduction dithering */
+
+    GdkColormap *cmap = gtk_widget_get_default_colormap();
+
+    m_colorCube = (unsigned char*)malloc(32 * 32 * 32);
+
+    for (int r = 0; r < 32; r++)
+    {
+        for (int g = 0; g < 32; g++)
+        {
+            for (int b = 0; b < 32; b++)
+            {
+                int rr = (r << 3) | (r >> 2);
+                int gg = (g << 3) | (g >> 2);
+                int bb = (b << 3) | (b >> 2);
+
+                int index = -1;
+
+                GdkColor *colors = cmap->colors;
+                if (colors)
+                {
+                    int max = 3 * 65536;
+
+                    for (int i = 0; i < cmap->size; i++)
+                    {
+                        int rdiff = ((rr << 8) - colors[i].red);
+                        int gdiff = ((gg << 8) - colors[i].green);
+                        int bdiff = ((bb << 8) - colors[i].blue);
+                        int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
+                        if (sum < max)
+                        {
+                            index = i; max = sum;
+                        }
+                    }
+                }
+                else
+                {
+#if (GTK_MINOR_VERSION > 0)
+                    /* assume 8-bit true or static colors. this really
+                       exists. */
+                    GdkVisual* vis = gdk_colormap_get_visual( cmap );
+                    index = (r >> (5 - vis->red_prec)) << vis->red_shift;
+                    index |= (g >> (5 - vis->green_prec)) << vis->green_shift;
+                    index |= (b >> (5 - vis->blue_prec)) << vis->blue_shift;
+#else
+                    wxFAIL_MSG( _T("Unsupported graphics hardware") );
+#endif
+                }
+                m_colorCube[ (r*1024) + (g*32) + b ] = index;
+            }
+        }
+    }
+
+    return TRUE;

 }
 
 }
 

-bool wxApp::ProcessIdle(void)
+bool wxApp::ProcessIdle()

 {
 {

-  wxIdleEvent event;
-  event.SetEventObject( this );
-  ProcessEvent( event );
-  
-  return event.MoreRequested();
+    wxIdleEvent event;
+    event.SetEventObject( this );
+    ProcessEvent( event );
+
+    return event.MoreRequested();

 }
 
 void wxApp::OnIdle( wxIdleEvent &event )
 {
 }
 
 void wxApp::OnIdle( wxIdleEvent &event )
 {

-  static bool inOnIdle = FALSE;
+    static bool s_inOnIdle = FALSE;

 
 

-  // Avoid recursion (via ProcessEvent default case)
-  if (inOnIdle)
-    return;
+    /* Avoid recursion (via ProcessEvent default case) */
+    if (s_inOnIdle)
+        return;

 
 

-  inOnIdle = TRUE;
+    s_inOnIdle = TRUE;

 
 

-  // 'Garbage' collection of windows deleted with Close().
-  DeletePendingObjects();
+#if wxUSE_THREADS
+    /* Resend in the main thread events which have been prepared in other
+       threads */
+    ProcessPendingEvents();
+#endif
+
+    /* 'Garbage' collection of windows deleted with Close(). */
+    DeletePendingObjects();

 
 

-  // flush the logged messages if any
-  wxLog *pLog = wxLog::GetActiveTarget();
-  if ( pLog != NULL && pLog->HasPendingMessages() )
-    pLog->Flush();
+    /* flush the logged messages if any */
+#if wxUSE_LOG
+    wxLog *log = wxLog::GetActiveTarget();
+    if (log != NULL && log->HasPendingMessages())
+        log->Flush();
+#endif // wxUSE_LOG

 
 

-  // Send OnIdle events to all windows
-  bool needMore = SendIdleEvents();
+    /* Send OnIdle events to all windows */
+    bool needMore = SendIdleEvents();

 
 

-  if (needMore)
-    event.RequestMore(TRUE);
+    if (needMore)
+        event.RequestMore(TRUE);

 
 

-  inOnIdle = FALSE;
+    s_inOnIdle = FALSE;

 }
 
 }
 

-bool wxApp::SendIdleEvents(void)
+bool wxApp::SendIdleEvents()

 {
     bool needMore = FALSE;
 {
     bool needMore = FALSE;

-       wxNode* node = wxTopLevelWindows.First();
-       while (node)
-       {
-               wxWindow* win = (wxWindow*) node->Data();
-               if (SendIdleEvents(win))
+
+    wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
+    while (node)
+    {
+        wxWindow* win = node->GetData();
+        if (SendIdleEvents(win))

             needMore = TRUE;
             needMore = TRUE;

+        node = node->GetNext();
+    }

 
 

-               node = node->Next();
-       }

     return needMore;
 }
 
     return needMore;
 }
 


@@ -160,256 +472,332 @@ bool wxApp::SendIdleEvents( wxWindow* win )
 {
     bool needMore = FALSE;
 
 {
     bool needMore = FALSE;
 

-       wxIdleEvent event;
-       event.SetEventObject(win);
-       win->ProcessEvent(event);
+    wxIdleEvent event;
+    event.SetEventObject(win);
+
+    win->ProcessEvent(event);

 
 

+    win->OnInternalIdle();
+    

     if (event.MoreRequested())
         needMore = TRUE;
 
     if (event.MoreRequested())
         needMore = TRUE;
 

-       wxNode* node = win->GetChildren()->First();
-       while (node)
-       {
-               wxWindow* win = (wxWindow*) node->Data();
-               if (SendIdleEvents(win))
+    wxNode* node = win->GetChildren().First();
+    while (node)
+    {
+        wxWindow* win = (wxWindow*) node->Data();
+        if (SendIdleEvents(win))

             needMore = TRUE;
 
             needMore = TRUE;
 

-               node = node->Next();
-       }
+        node = node->Next();
+    }

     return needMore ;
 }
 
     return needMore ;
 }
 

-int wxApp::OnExit(void)
+int wxApp::MainLoop()

 {
 {

-  return 0;
+    gtk_main();
+    return 0;

 }
 
 }
 

-int wxApp::MainLoop(void)
+void wxApp::ExitMainLoop()

 {
 {

-  gtk_main();
-  return 0;
+    gtk_main_quit();

 }
 
 }
 

-void wxApp::ExitMainLoop(void)
+bool wxApp::Initialized()

 {
 {

-  gtk_main_quit();
+    return m_initialized;

 }
 
 }
 

-bool wxApp::Initialized(void)
+bool wxApp::Pending()

 {
 {

-  return m_initialized;
+    return (gtk_events_pending() > 0);

 }
 
 }
 

-bool wxApp::Pending(void) 
+void wxApp::Dispatch()

 {
 {

-  return FALSE;
+    gtk_main_iteration();

 }
 
 }
 

-void wxApp::Dispatch(void) 
+#if wxUSE_THREADS
+void wxApp::ProcessPendingEvents()

 {
 {

-}
+    wxNode *node = wxPendingEvents->First();
+    wxCriticalSectionLocker locker(*wxPendingEventsLocker);

 
 

-void wxApp::DeletePendingObjects(void)
-{
-  wxNode *node = wxPendingDelete.First();
-  while (node)
-  {
-    wxObject *obj = (wxObject *)node->Data();
-    
-    delete obj;
+    while (node)
+    {
+        wxEvtHandler *handler = (wxEvtHandler *)node->Data();

 
 

-    if (wxPendingDelete.Member(obj))
-      delete node;
+        handler->ProcessPendingEvents();

 
 

-    node = wxPendingDelete.First();
-  }
-}
+        delete node;

 
 

-wxWindow *wxApp::GetTopWindow(void)
-{
-  if (m_topWindow) return m_topWindow;
-  wxNode *node = wxTopLevelWindows.First();
-  if (!node) return NULL;
-  return (wxWindow*)node->Data();
+        node = wxPendingEvents->First();
+    }

 }
 }

+#endif // wxUSE_THREADS

 
 

-void wxApp::SetTopWindow( wxWindow *win )
+void wxApp::DeletePendingObjects()

 {
 {

-  m_topWindow = win;
+    wxNode *node = wxPendingDelete.First();
+    while (node)
+    {
+        wxObject *obj = (wxObject *)node->Data();
+
+        delete obj;
+
+        if (wxPendingDelete.Find(obj))
+            delete node;
+
+        node = wxPendingDelete.First();
+    }

 }
 
 }
 

-void wxApp::CommonInit(void)
+bool wxApp::Initialize()

 {
 {

+    wxBuffer = new wxChar[BUFSIZ + 512];

 
 

-/*
-#if USE_RESOURCES
-  (void) wxGetResource("wxWindows", "OsVersion", &wxOsVersion);
+    wxClassInfo::InitializeClasses();
+
+    wxSystemSettings::Init();
+
+    // GL: I'm annoyed ... I don't know where to put this and I don't want to
+    // create a module for that as it's part of the core.
+#if wxUSE_THREADS
+    wxPendingEvents = new wxList();
+    wxPendingEventsLocker = new wxCriticalSection();

 #endif
 #endif

+
+/*
+    wxTheFontNameDirectory =  new wxFontNameDirectory;
+    wxTheFontNameDirectory->Initialize();

 */
 */

-  wxSystemSettings::Init();
-  wxTheResourceCache = new wxResourceCache(wxKEY_STRING);

 
 

-  wxTheFontNameDirectory =  new wxFontNameDirectory;
-  wxTheFontNameDirectory->Initialize();
+    wxTheColourDatabase = new wxColourDatabase( wxKEY_STRING );
+    wxTheColourDatabase->Initialize();

 
 

-  wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
-  wxTheColourDatabase->Initialize();
+    wxInitializeStockLists();
+    wxInitializeStockObjects();

 
 

-  wxInitializeStockLists();
-  wxInitializeStockObjects();
+#if wxUSE_WX_RESOURCES
+    wxTheResourceCache = new wxResourceCache( wxKEY_STRING );

 
 

-  wxInitializeResourceSystem();
-  
-  // For PostScript printing
-#if USE_POSTSCRIPT
-  wxInitializePrintSetupData();
-  wxThePrintPaperDatabase = new wxPrintPaperDatabase;
-  wxThePrintPaperDatabase->CreateDatabase();
+    wxInitializeResourceSystem();

 #endif
 
 #endif
 

+    wxImage::InitStandardHandlers();

 
 

-/*
-  wxBitmap::InitStandardHandlers();
+    wxModule::RegisterModules();
+    if (!wxModule::InitializeModules()) return FALSE;

 
 

-  g_globalCursor = new wxCursor;
-*/
+    return TRUE;

 }
 
 }
 

-void wxApp::CommonCleanUp(void)
+void wxApp::CleanUp()

 {
 {

-  wxDELETE(wxTheColourDatabase);
-  wxDELETE(wxThePrintPaperDatabase);
-  wxDELETE(wxThePrintSetupData);
-  wxDELETE(wxTheFontNameDirectory);
-  wxDeleteStockObjects();
-  
-  wxFlushResources();
+    wxModule::CleanUpModules();

 
 

-  wxDELETE(wxTheResourceCache);
+#if wxUSE_WX_RESOURCES
+    wxFlushResources();

 
 

-  wxDeleteStockLists();
+    if (wxTheResourceCache)
+        delete wxTheResourceCache;
+    wxTheResourceCache = (wxResourceCache*) NULL;

 
 

-  wxCleanUpResourceSystem();
-  
-  wxSystemSettings::Done();
-}
-    
-wxLog *wxApp::CreateLogTarget()
-{
-  return new wxLogGui;
+    wxCleanUpResourceSystem();
+#endif
+
+    if (wxTheColourDatabase)
+        delete wxTheColourDatabase;
+    wxTheColourDatabase = (wxColourDatabase*) NULL;
+
+/*
+    if (wxTheFontNameDirectory) delete wxTheFontNameDirectory;
+    wxTheFontNameDirectory = (wxFontNameDirectory*) NULL;
+*/
+
+    wxDeleteStockObjects();
+
+    wxDeleteStockLists();
+
+    wxImage::CleanUpHandlers();
+
+    delete wxTheApp;
+    wxTheApp = (wxApp*) NULL;
+
+    // GL: I'm annoyed ... I don't know where to put this and I don't want to
+    // create a module for that as it's part of the core.
+#if wxUSE_THREADS
+    delete wxPendingEvents;
+    delete wxPendingEventsLocker;
+#endif
+
+    wxSystemSettings::Done();
+
+    delete[] wxBuffer;
+
+    wxClassInfo::CleanUpClasses();
+
+    // check for memory leaks
+#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
+    if (wxDebugContext::CountObjectsLeft() > 0)
+    {
+        wxLogDebug(_T("There were memory leaks.\n"));
+        wxDebugContext::Dump();
+        wxDebugContext::PrintStatistics();
+    }
+#endif // Debug
+
+#if wxUSE_LOG
+    // do this as the very last thing because everything else can log messages
+    wxLog::DontCreateOnDemand();
+
+    wxLog *oldLog = wxLog::SetActiveTarget( (wxLog*) NULL );
+    if (oldLog)
+        delete oldLog;

 }
 
 }
 

+#endif // wxUSE_LOG
+

 //-----------------------------------------------------------------------------
 // wxEntry
 //-----------------------------------------------------------------------------
 
 int wxEntry( int argc, char *argv[] )
 {
 //-----------------------------------------------------------------------------
 // wxEntry
 //-----------------------------------------------------------------------------
 
 int wxEntry( int argc, char *argv[] )
 {

-  wxBuffer = new char[BUFSIZ + 512];
+    gtk_set_locale();
+
+    if (!wxOKlibc()) wxConvCurrent = &wxConvLocal;
+
+    gtk_init( &argc, &argv );
+
+    wxSetDetectableAutoRepeat( TRUE );

 
 

-  wxClassInfo::InitializeClasses();
-  
-#if (WXDEBUG && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT
+    if (!wxApp::Initialize())
+        return -1;

 
 

-#if !defined(_WINDLL)
-  streambuf* sBuf = new wxDebugStreamBuf;
+    if (!wxTheApp)
+    {
+        wxCHECK_MSG( wxApp::GetInitializerFunction(), -1,
+                     _T("wxWindows error: No initializer - use IMPLEMENT_APP macro.\n") );
+
+        wxAppInitializerFunction app_ini = wxApp::GetInitializerFunction();
+
+        wxObject *test_app = app_ini();
+
+        wxTheApp = (wxApp*) test_app;
+    }
+
+    wxCHECK_MSG( wxTheApp, -1, _T("wxWindows error: no application object") );
+
+    wxTheApp->argc = argc;
+#if wxUSE_UNICODE
+    wxTheApp->argv = new wxChar*[argc+1];
+    int mb_argc = 0;
+    while (mb_argc < argc) {
+      wxTheApp->argv[mb_argc] = wxStrdup(wxConvLibc.cMB2WX(argv[mb_argc]));
+      mb_argc++;
+    }
+    wxTheApp->argv[mb_argc] = (wxChar *)NULL;

 #else
 #else

-  streambuf* sBuf = NULL;
+    wxTheApp->argv = argv;

 #endif
 #endif

-  ostream* oStr = new ostream(sBuf) ;
-  wxDebugContext::SetStream(oStr, sBuf);

 
 

-#endif
-  
-  if (!wxTheApp)
-  {
-    if (!wxApp::GetInitializerFunction())
+    wxString name(wxFileNameFromPath(argv[0]));
+    wxStripExtension( name );
+    wxTheApp->SetAppName( name );
+
+    int retValue = 0;
+
+    if ( !wxTheApp->OnInitGui() )
+        retValue = -1;
+
+    // Here frames insert themselves automatically into wxTopLevelWindows by
+    // getting created in OnInit().
+    if ( retValue == 0 )

     {
     {

-      printf( _("wxWindows error: No initializer - use IMPLEMENT_APP macro.\n") );
-      return 0;
+        if ( !wxTheApp->OnInit() )
+            retValue = -1;

     }
     }

-    
-    wxAppInitializerFunction app_ini = wxApp::GetInitializerFunction();
-    
-    wxObject *test_app = app_ini();
-    
-    wxTheApp = (wxApp*) test_app;
-  }
-  
-  if (!wxTheApp) 
-  {
-    printf( _("wxWindows error: wxTheApp == NULL\n") );
-    return 0;
-  }
-
-  wxTheApp->argc = argc;
-  wxTheApp->argv = argv;
-  
-  gtk_init( &argc, &argv );
-
-#ifdef USE_GDK_IMLIB
-
-  gdk_imlib_init();
-  
-  gtk_widget_push_visual(gdk_imlib_get_visual());
-  
-  gtk_widget_push_colormap(gdk_imlib_get_colormap());
-  
-#endif  
-    
-  wxApp::CommonInit();
-
-  wxTheApp->OnInitGui();
-
-  // Here frames insert themselves automatically
-  // into wxTopLevelWindows by getting created
-  // in OnInit().
-  
-  if (!wxTheApp->OnInit()) return 0;
-
-  wxTheApp->m_initialized = (wxTopLevelWindows.Number() > 0);
-  
-  int retValue = 0;
-  
-  if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun();
-  
-  wxTheApp->DeletePendingObjects();  
-  
-  wxTheApp->OnExit();
-  
-  wxApp::CommonCleanUp();
-
-  wxDELETE(wxTheApp);
-  
-#if (WXDEBUG && USE_MEMORY_TRACING) || USE_DEBUG_CONTEXT
-  // At this point we want to check if there are any memory
-  // blocks that aren't part of the wxDebugContext itself,
-  // as a special case. Then when dumping we need to ignore
-  // wxDebugContext, too.
-  if (wxDebugContext::CountObjectsLeft() > 0)
-  {
-    wxTrace("There were memory leaks.\n");
-    wxDebugContext::Dump();
-    wxDebugContext::PrintStatistics();
-  }
-  wxDebugContext::SetStream(NULL, NULL);
-#endif
-  
-  return retValue;
-}

 
 

-//-----------------------------------------------------------------------------
-// main()
-//-----------------------------------------------------------------------------
+    if ( retValue == 0 )
+    {
+        /* delete pending toplevel windows (typically a single
+           dialog) so that, if there isn't any left, we don't
+           call OnRun() */
+        wxTheApp->DeletePendingObjects();
+
+        wxTheApp->m_initialized = wxTopLevelWindows.GetCount() != 0;
+
+        if (wxTheApp->Initialized())
+        {
+            retValue = wxTheApp->OnRun();
+
+            wxWindow *topWindow = wxTheApp->GetTopWindow();
+            if (topWindow)
+            {
+                /* Forcibly delete the window. */
+                if (topWindow->IsKindOf(CLASSINFO(wxFrame)) ||
+                    topWindow->IsKindOf(CLASSINFO(wxDialog)) )
+                {
+                    topWindow->Close( TRUE );
+                    wxTheApp->DeletePendingObjects();
+                }
+                else
+                {
+                    delete topWindow;
+                    wxTheApp->SetTopWindow( (wxWindow*) NULL );
+                }
+            }
+            wxTheApp->OnExit();
+        }
+    }

 
 

-#if defined(AIX) || defined(AIX4) || defined(____HPUX__)
+#if wxUSE_LOG
+    // flush the logged messages if any
+    wxLog *log = wxLog::GetActiveTarget();
+    if (log != NULL && log->HasPendingMessages())
+        log->Flush();

 
 

- // main in IMPLEMENT_WX_MAIN in IMPLEMENT_APP in app.h
+    // continuing to use user defined log target is unsafe from now on because
+    // some resources may be already unavailable, so replace it by something
+    // more safe
+    wxLog *oldlog = wxLog::SetActiveTarget(new wxLogStderr);
+    if ( oldlog )
+        delete oldlog;
+#endif // wxUSE_LOG

 
 

-#else
+    wxApp::CleanUp();

 
 

-  int main(int argc, char *argv[]) { return wxEntry(argc, argv); }
+    return retValue;
+}

 
 

-#endif
+#include "wx/gtk/info.xpm"
+#include "wx/gtk/error.xpm"
+#include "wx/gtk/question.xpm"
+#include "wx/gtk/warning.xpm"

 
 

+wxIcon
+wxApp::GetStdIcon(int which) const
+{
+    switch(which)
+    {
+        case wxICON_INFORMATION:
+            return wxIcon(info_xpm);

 
 

+        case wxICON_QUESTION:
+            return wxIcon(question_xpm);
+
+        case wxICON_EXCLAMATION:
+            return wxIcon(warning_xpm);
+
+        default:
+            wxFAIL_MSG(_T("requested non existent standard icon"));
+            // still fall through
+
+        case wxICON_HAND:
+            return wxIcon(error_xpm);
+    }
+}