X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/afb7489128719ac8999b037d49a0c28636d59558..66ce9e0609ac419e6eeff665b1087193954ed84a:/src/gtk/app.cpp?ds=sidebyside

diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp
index 9c88e7e7b9..65710bb24d 100644
--- a/src/gtk/app.cpp
+++ b/src/gtk/app.cpp
@@ -11,6 +11,10 @@
     #pragma implementation "app.h"
 #endif
 
+#ifdef __VMS
+#include <vms_jackets.h>
+#endif
+
 #include "wx/app.h"
 #include "wx/gdicmn.h"
 #include "wx/utils.h"
@@ -28,102 +32,48 @@
 #include "wx/module.h"
 #include "wx/image.h"
 
-#include "wx/thread.h"
+#ifdef __WXUNIVERSAL__
+    #include "wx/univ/theme.h"
+    #include "wx/univ/renderer.h"
+#endif
 
-#include "unistd.h"
+#if wxUSE_THREADS
+    #include "wx/thread.h"
+#endif
+
+#include <unistd.h>
+#ifdef __VMS
+# include <poll.h>
+#else
+# include <sys/poll.h>
+#endif
+#include "wx/gtk/win_gtk.h"
 
-#include <glib.h>
-#include <gdk/gdk.h>
 #include <gtk/gtk.h>
 
-#include "wx/gtk/win_gtk.h"
 
 //-----------------------------------------------------------------------------
 // global data
 //-----------------------------------------------------------------------------
 
 wxApp *wxTheApp = (wxApp *)  NULL;
-wxAppInitializerFunction wxApp::m_appInitFn = (wxAppInitializerFunction) NULL;
-
-extern wxList wxPendingDelete;
-extern wxResourceCache *wxTheResourceCache;
-
-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
-};
+wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
+
+bool   g_mainThreadLocked = FALSE;
+gint   g_pendingTag = 0;
+
+static GtkWidget *gs_RootWindow = (GtkWidget*) NULL;
 
 //-----------------------------------------------------------------------------
-// local functions
+// idle system
 //-----------------------------------------------------------------------------
 
-extern void wxFlushResources(void);
+extern bool g_isIdle;
+
+void wxapp_install_idle_handler();
 
 //-----------------------------------------------------------------------------
-// global functions
+// wxExit
 //-----------------------------------------------------------------------------
 
 void wxExit()
@@ -131,126 +81,366 @@ void wxExit()
     gtk_main_quit();
 }
 
-bool wxYield()
+//-----------------------------------------------------------------------------
+// wxYield
+//-----------------------------------------------------------------------------
+
+bool wxApp::Yield(bool onlyIfNeeded)
 {
-    while (gtk_events_pending() > 0) gtk_main_iteration();
+    // MT-FIXME
+    static bool s_inYield = FALSE;
+
+    if ( s_inYield )
+    {
+        if ( !onlyIfNeeded )
+        {
+            wxFAIL_MSG( wxT("wxYield called recursively" ) );
+        }
+
+        return FALSE;
+    }
+
+#if wxUSE_THREADS
+    if ( !wxThread::IsMain() )
+    {
+        // can't call gtk_main_iteration() from other threads like this
+        return TRUE;
+    }
+#endif // wxUSE_THREADS
+
+    s_inYield = TRUE;
+
+    if (!g_isIdle)
+    {
+        // We need to remove idle callbacks or the loop will
+        // never finish.
+        gtk_idle_remove( m_idleTag );
+        m_idleTag = 0;
+        g_isIdle = TRUE;
+    }
+
+    // disable log flushing from here because a call to wxYield() shouldn't
+    // normally result in message boxes popping up &c
+    wxLog::Suspend();
+
+    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). But we 
+    // call ProcessIdle() only once since this is not meant for longish
+    // background jobs (controlled by wxIdleEvent::RequestMore() and the
+    // return value of Processidle().
+    ProcessIdle();
+
+    // let the logs be flashed again
+    wxLog::Resume();
+
+    s_inYield = FALSE;
+
     return TRUE;
 }
 
 //-----------------------------------------------------------------------------
-// wxApp
+// wxWakeUpIdle
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
+void wxWakeUpIdle()
+{
+#if wxUSE_THREADS
+    if (!wxThread::IsMain())
+        wxMutexGuiEnter();
+#endif
 
-BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
-    EVT_IDLE(wxApp::OnIdle)
-END_EVENT_TABLE()
+    if (g_isIdle)
+        wxapp_install_idle_handler();
+
+#if wxUSE_THREADS
+    if (!wxThread::IsMain())
+        wxMutexGuiLeave();
+#endif
+}
+
+//-----------------------------------------------------------------------------
+// local functions
+//-----------------------------------------------------------------------------
+
+// the callback functions must be extern "C" to comply with GTK+ declarations
+extern "C"
+{
 
-gint wxapp_idle_callback( gpointer WXUNUSED(data) )
+static gint wxapp_pending_callback( gpointer WXUNUSED(data) )
 {
-    if (wxTheApp)
+    if (!wxTheApp) return TRUE;
+
+    // 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();
+
+    // Sent idle event to all who request them.
+    wxTheApp->ProcessPendingEvents();
+
+    g_pendingTag = 0;
+
+    // Flush the logged messages if any.
+#if wxUSE_LOG
+    wxLog::FlushActive();
+#endif // wxUSE_LOG
+
+    // Release lock again
+    gdk_threads_leave();
+
+    // Return FALSE to indicate that no more idle events are
+    // to be sent (single shot instead of continuous stream)
+    return FALSE;
+}
+
+static gint wxapp_idle_callback( gpointer WXUNUSED(data) )
+{
+    if (!wxTheApp)
+        return TRUE;
+
+#ifdef __WXDEBUG__
+    // don't generate the idle events while the assert modal dialog is shown,
+    // this completely confuses the apps which don't expect to be reentered
+    // from some safely-looking functions
+    if ( wxTheApp->IsInAssert() )
     {
-        while (wxTheApp->ProcessIdle())
-        {
-        }
+        return TRUE;
     }
+#endif // __WXDEBUG__
+
+    // 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();
+
+    // Indicate that we are now in idle mode and event handlers
+    // will have to reinstall the idle handler again.
+    g_isIdle = TRUE;
+    wxTheApp->m_idleTag = 0;
+
+    // Send idle event to all who request them as long as
+    // no events have popped up in the event queue.
+    while (wxTheApp->ProcessIdle() && (gtk_events_pending() == 0))
+        ;
+
+    // Release lock again
+    gdk_threads_leave();
+
+    // Return FALSE to indicate that no more idle events are
+    // to be sent (single shot instead of continuous stream).
+    return FALSE;
+}
+
+#if wxUSE_THREADS
+
+static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout )
+{
+    gint res;
+    gdk_threads_enter();
 
     wxMutexGuiLeave();
-    wxUsleep(10);
+    g_mainThreadLocked = TRUE;
+
+    res = poll( (struct pollfd*) ufds, nfds, timeout );
+
     wxMutexGuiEnter();
+    g_mainThreadLocked = FALSE;
 
-    return TRUE;
+    gdk_threads_leave();
+
+    return res;
 }
 
+#endif // wxUSE_THREADS
+
+} // extern "C"
+
+void wxapp_install_idle_handler()
+{
+    wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") );
+
+    g_isIdle = FALSE;
+
+    if (g_pendingTag == 0)
+        g_pendingTag = gtk_idle_add_priority( 900, wxapp_pending_callback, (gpointer) NULL );
+
+    // This routine gets called by all event handlers
+    // indicating that the idle is over. It may also
+    // get called from other thread for sending events
+    // to the main thread (and processing these in
+    // idle time). Very low priority.
+    wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL );
+}
+
+//-----------------------------------------------------------------------------
+// Access to the root window global
+//-----------------------------------------------------------------------------
+
+GtkWidget* wxGetRootWindow()
+{
+    if (gs_RootWindow == NULL)
+    {
+        gs_RootWindow = gtk_window_new( GTK_WINDOW_TOPLEVEL );
+        gtk_widget_realize( gs_RootWindow );
+    }
+    return gs_RootWindow;
+}
+
+//-----------------------------------------------------------------------------
+// wxApp
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
+
+BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
+    EVT_IDLE(wxApp::OnIdle)
+END_EVENT_TABLE()
+
 wxApp::wxApp()
 {
-    wxTheApp = this;
+    m_initialized = FALSE;
+#ifdef __WXDEBUG__
+    m_isInAssert = FALSE;
+#endif // __WXDEBUG__
 
-    m_topWindow = (wxWindow *) NULL;
-    m_exitOnFrameDelete = TRUE;
+    m_idleTag = 0;
+    wxapp_install_idle_handler();
 
-    m_idleTag = gtk_idle_add( wxapp_idle_callback, (gpointer) NULL );
+#if wxUSE_THREADS
+    g_main_set_poll_func( wxapp_poll_func );
+#endif
 
     m_colorCube = (unsigned char*) NULL;
+    
+    // this is NULL for a "regular" wxApp, but is set (and freed) by a wxGLApp
+    m_glVisualInfo = (void *) NULL;
 }
 
 wxApp::~wxApp()
 {
-    gtk_idle_remove( m_idleTag );
+    if (m_idleTag) gtk_idle_remove( m_idleTag );
 
     if (m_colorCube) free(m_colorCube);
 }
 
 bool wxApp::OnInitGui()
 {
-    /* Nothing to do for 15, 16, 24, 32 bit displays */
+    if ( !wxAppBase::OnInitGui() )
+        return FALSE;
 
     GdkVisual *visual = gdk_visual_get_system();
-    if (visual->depth > 8) return TRUE;
 
-        /* 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... */
+    // if this is a wxGLApp (derived from wxApp), and we've already
+    // chosen a specific visual, then derive the GdkVisual from that
+    if (m_glVisualInfo != NULL)
+    {
+#ifdef __WXGTK20__
+        // seems gtk_widget_set_default_visual no longer exists?
+        GdkVisual* vis = gtk_widget_get_default_visual();
+#else
+        GdkVisual* vis = gdkx_visual_get( 
+            ((XVisualInfo *) m_glVisualInfo) ->visualid );
+        gtk_widget_set_default_visual( vis );
+#endif
 
-        /*
-        GdkColormap *cmap = gdk_colormap_new( gdk_visual_get_system(), TRUE );
+        GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
+        gtk_widget_set_default_colormap( colormap );
 
-        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;
+        visual = vis;
+    }
+    
+    // On some machines, the default visual is just 256 colours, so
+    // we make sure we get the best. This can sometimes be wasteful.
 
-            gdk_color_alloc( cmap, &col );
-        }
+    else
+    if ((gdk_visual_get_best() != gdk_visual_get_system()) && (m_useBestVisual))
+    {
+#ifdef __WXGTK20__
+        /* seems gtk_widget_set_default_visual no longer exists? */
+        GdkVisual* vis = gtk_widget_get_default_visual();
+#else
+        GdkVisual* vis = gdk_visual_get_best();
+        gtk_widget_set_default_visual( vis );
+#endif
+
+        GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
+        gtk_widget_set_default_colormap( colormap );
 
-        gtk_widget_set_default_colormap( cmap );
-        */
+        visual = vis;
+    }
 
-    /* initialize color cube for 8-bit color reduction dithering */
+    // Nothing to do for 15, 16, 24, 32 bit displays
+    if (visual->depth > 8) return TRUE;
+
+    // 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);
+    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);
 
-                GdkColor *colors = cmap->colors;
-                int max = 3 * (65536);
                 int index = -1;
 
-                for (int i = 0; i < cmap->size; i++)
+                GdkColor *colors = cmap->colors;
+                if (colors)
                 {
-                    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; }
+                    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;
+                        }
+                    }
                 }
-
-		m_colorCube[ (r*1024) + (g*32) + b ] = index;
-	    }
-	}
+                else
+                {
+                    // 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;
+                }
+                m_colorCube[ (r*1024) + (g*32) + b ] = index;
+            }
+        }
     }
 
-
     return TRUE;
 }
 
+GdkVisual *wxApp::GetGdkVisual()
+{
+    GdkVisual *visual = NULL;
+    
+    if (m_glVisualInfo)
+        visual = gdkx_visual_get( ((XVisualInfo *) m_glVisualInfo)->visualid );
+    else
+        visual = gdk_window_get_visual( wxGetRootWindow()->window );
+        
+    wxASSERT( visual );
+    
+    return visual;
+}
+
 bool wxApp::ProcessIdle()
 {
     wxIdleEvent event;
@@ -262,43 +452,43 @@ bool wxApp::ProcessIdle()
 
 void wxApp::OnIdle( wxIdleEvent &event )
 {
-    static bool inOnIdle = FALSE;
+    static bool s_inOnIdle = FALSE;
 
-    /* Avoid recursion (via ProcessEvent default case) */
-    if (inOnIdle)
+    // Avoid recursion (via ProcessEvent default case)
+    if (s_inOnIdle)
         return;
 
-    inOnIdle = TRUE;
+    s_inOnIdle = TRUE;
 
-    /* 'Garbage' collection of windows deleted with Close(). */
-    DeletePendingObjects();
+    // Resend in the main thread events which have been prepared in other
+    // threads
+    ProcessPendingEvents();
 
-    /* flush the logged messages if any */
-    wxLog *log = wxLog::GetActiveTarget();
-    if (log != NULL && log->HasPendingMessages())
-        log->Flush();
+    // 'Garbage' collection of windows deleted with Close()
+    DeletePendingObjects();
 
-    /* Send OnIdle events to all windows */
+    // Send OnIdle events to all windows
     bool needMore = SendIdleEvents();
 
     if (needMore)
         event.RequestMore(TRUE);
 
-    inOnIdle = FALSE;
+    s_inOnIdle = FALSE;
 }
 
 bool wxApp::SendIdleEvents()
 {
     bool needMore = FALSE;
 
-    wxNode* node = wxTopLevelWindows.First();
+    wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
     while (node)
     {
-        wxWindow* win = (wxWindow*) node->Data();
+        wxWindow* win = node->GetData();
         if (SendIdleEvents(win))
             needMore = TRUE;
-        node = node->Next();
+        node = node->GetNext();
     }
+
     return needMore;
 }
 
@@ -309,9 +499,9 @@ bool wxApp::SendIdleEvents( wxWindow* win )
     wxIdleEvent event;
     event.SetEventObject(win);
 
-    win->OnInternalIdle();
+    win->GetEventHandler()->ProcessEvent(event);
 
-    win->ProcessEvent(event);
+    win->OnInternalIdle();
 
     if (event.MoreRequested())
         needMore = TRUE;
@@ -325,7 +515,8 @@ bool wxApp::SendIdleEvents( wxWindow* win )
 
         node = node->Next();
     }
-    return needMore ;
+    
+    return needMore;
 }
 
 int wxApp::MainLoop()
@@ -336,7 +527,8 @@ int wxApp::MainLoop()
 
 void wxApp::ExitMainLoop()
 {
-    gtk_main_quit();
+    if (gtk_main_level() > 0)
+        gtk_main_quit();
 }
 
 bool wxApp::Initialized()
@@ -346,11 +538,12 @@ bool wxApp::Initialized()
 
 bool wxApp::Pending()
 {
-    return FALSE;
+    return (gtk_events_pending() > 0);
 }
 
 void wxApp::Dispatch()
 {
+    gtk_main_iteration();
 }
 
 void wxApp::DeletePendingObjects()
@@ -362,38 +555,27 @@ void wxApp::DeletePendingObjects()
 
         delete obj;
 
-        if (wxPendingDelete.Member(obj))
-        delete node;
+        if (wxPendingDelete.Find(obj))
+            delete node;
 
         node = wxPendingDelete.First();
     }
 }
 
-wxWindow *wxApp::GetTopWindow()
-{
-    if (m_topWindow) return m_topWindow;
-    wxNode *node = wxTopLevelWindows.First();
-    if (!node) return (wxWindow *) NULL;
-    return (wxWindow*)node->Data();
-}
-
-void wxApp::SetTopWindow( wxWindow *win )
-{
-    m_topWindow = win;
-}
-
 bool wxApp::Initialize()
 {
-    wxBuffer = new char[BUFSIZ + 512];
-
     wxClassInfo::InitializeClasses();
 
-    wxSystemSettings::Init();
+#if wxUSE_INTL
+    wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
+#endif
 
-/*
-    wxTheFontNameDirectory =  new wxFontNameDirectory;
-    wxTheFontNameDirectory->Initialize();
-*/
+    // 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
 
     wxTheColourDatabase = new wxColourDatabase( wxKEY_STRING );
     wxTheColourDatabase->Initialize();
@@ -402,16 +584,9 @@ bool wxApp::Initialize()
     wxInitializeStockObjects();
 
 #if wxUSE_WX_RESOURCES
-    wxTheResourceCache = new wxResourceCache( wxKEY_STRING );
-
     wxInitializeResourceSystem();
 #endif
 
-    wxImage::InitStandardHandlers();
-
-    /* no global cursor under X
-       g_globalCursor = new wxCursor; */
-
     wxModule::RegisterModules();
     if (!wxModule::InitializeModules()) return FALSE;
 
@@ -423,79 +598,151 @@ void wxApp::CleanUp()
     wxModule::CleanUpModules();
 
 #if wxUSE_WX_RESOURCES
-    wxFlushResources();
-
-    if (wxTheResourceCache)
-        delete wxTheResourceCache;
-    wxTheResourceCache = (wxResourceCache*) NULL;
-
     wxCleanUpResourceSystem();
 #endif
 
-    if (wxTheColourDatabase)
-        delete wxTheColourDatabase;
+    delete wxTheColourDatabase;
     wxTheColourDatabase = (wxColourDatabase*) NULL;
 
-/*
-    if (wxTheFontNameDirectory) delete wxTheFontNameDirectory;
-    wxTheFontNameDirectory = (wxFontNameDirectory*) NULL;
-*/
-
     wxDeleteStockObjects();
 
     wxDeleteStockLists();
 
-    wxImage::CleanUpHandlers();
-
     delete wxTheApp;
     wxTheApp = (wxApp*) NULL;
 
-    wxSystemSettings::Done();
-
-    delete[] wxBuffer;
-
     wxClassInfo::CleanUpClasses();
 
+#if wxUSE_THREADS
+    delete wxPendingEvents;
+    delete wxPendingEventsLocker;
+#endif
+
     // check for memory leaks
 #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
-    if (wxDebugContext::CountObjectsLeft() > 0)
+    if (wxDebugContext::CountObjectsLeft(TRUE) > 0)
     {
-        wxLogDebug("There were memory leaks.\n");
+        wxLogDebug(wxT("There were memory leaks.\n"));
         wxDebugContext::Dump();
         wxDebugContext::PrintStatistics();
     }
-#endif
+#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;
-}
-
-wxLog *wxApp::CreateLogTarget()
-{
-    return new wxLogGui;
+#endif // wxUSE_LOG
 }
 
 //-----------------------------------------------------------------------------
 // wxEntry
 //-----------------------------------------------------------------------------
 
-int wxEntry( int argc, char *argv[] )
+// NB: argc and argv may be changed here, pass by reference!
+int wxEntryStart( int& argc, char *argv[] )
 {
+#if wxUSE_THREADS
+    // GTK 1.2 up to version 1.2.3 has broken threads
+    if ((gtk_major_version == 1) &&
+        (gtk_minor_version == 2) &&
+        (gtk_micro_version < 4))
+    {
+        printf( "wxWindows warning: GUI threading disabled due to outdated GTK version\n" );
+    }
+    else
+    {
+        g_thread_init(NULL);
+    }
+#endif
+
     gtk_set_locale();
 
+    // We should have the wxUSE_WCHAR_T test on the _outside_
+#if wxUSE_WCHAR_T
+#if defined(__WXGTK20__)
+    // gtk+ 2.0 supports Unicode through UTF-8 strings
+    wxConvCurrent = &wxConvUTF8;
+#else
+    if (!wxOKlibc()) wxConvCurrent = &wxConvLocal;
+#endif
+#else
+    if (!wxOKlibc()) wxConvCurrent = (wxMBConv*) NULL;
+#endif
+
+    gdk_threads_enter();
+
     gtk_init( &argc, &argv );
 
+    wxSetDetectableAutoRepeat( TRUE );
+
     if (!wxApp::Initialize())
+    {
+        gdk_threads_leave();
         return -1;
+    }
+
+    return 0;
+}
+
+
+int wxEntryInitGui()
+{
+    int retValue = 0;
+
+    if ( !wxTheApp->OnInitGui() )
+        retValue = -1;
+
+    wxGetRootWindow();
+
+    return retValue;
+}
+
+
+void wxEntryCleanup()
+{
+#if wxUSE_LOG
+    // flush the logged messages if any
+    wxLog *log = wxLog::GetActiveTarget();
+    if (log != NULL && log->HasPendingMessages())
+        log->Flush();
+
+    // 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
+
+    wxApp::CleanUp();
+
+    gdk_threads_leave();
+}
+
+
+int wxEntry( int argc, char *argv[] )
+{
+#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
+    // This seems to be necessary since there are 'rogue'
+    // objects present at this point (perhaps global objects?)
+    // Setting a checkpoint will ignore them as far as the
+    // memory checking facility is concerned.
+    // Of course you may argue that memory allocated in globals should be
+    // checked, but this is a reasonable compromise.
+    wxDebugContext::SetCheckpoint();
+#endif
+    int err = wxEntryStart(argc, argv);
+    if (err)
+        return err;
 
     if (!wxTheApp)
     {
         wxCHECK_MSG( wxApp::GetInitializerFunction(), -1,
-                     "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" );
+                     wxT("wxWindows error: No initializer - use IMPLEMENT_APP macro.\n") );
 
         wxAppInitializerFunction app_ini = wxApp::GetInitializerFunction();
 
@@ -504,67 +751,127 @@ int wxEntry( int argc, char *argv[] )
         wxTheApp = (wxApp*) test_app;
     }
 
-    wxCHECK_MSG( wxTheApp, -1, "wxWindows error: no application object" );
+    wxCHECK_MSG( wxTheApp, -1, wxT("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
     wxTheApp->argv = argv;
+#endif
 
-    char name[200];
-    strcpy( name, argv[0] );
-    strcpy( name, wxFileNameFromPath(name) );
+    wxString name(wxFileNameFromPath(argv[0]));
     wxStripExtension( name );
     wxTheApp->SetAppName( name );
 
-    if (!wxTheApp->OnInitGui())
-        return 0;
+    int retValue;
+    retValue = wxEntryInitGui();
 
-    /* Here frames insert themselves automatically
-     * into wxTopLevelWindows by getting created
-     * in OnInit(). */
+    // Here frames insert themselves automatically into wxTopLevelWindows by
+    // getting created in OnInit().
+    if ( retValue == 0 )
+    {
+        if ( !wxTheApp->OnInit() )
+            retValue = -1;
+    }
 
-    if (!wxTheApp->OnInit())
-        return 0;
+    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.Number() > 0);
+        wxTheApp->m_initialized = wxTopLevelWindows.GetCount() != 0;
 
-    int retValue = 0;
+        if (wxTheApp->Initialized())
+        {
+            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 );
+                }
+            }
+
+            retValue = wxTheApp->OnExit();
+        }
+    }
 
-    if (wxTheApp->Initialized())
-        retValue = wxTheApp->OnRun();
+    wxEntryCleanup();
 
-    wxWindow *topWindow = wxTheApp->GetTopWindow();
-    if (topWindow)
+    return retValue;
+}
+
+#ifndef __WXUNIVERSAL__
+
+// XPM hack: make the arrays const
+#define static static const
+
+#include "wx/gtk/info.xpm"
+#include "wx/gtk/error.xpm"
+#include "wx/gtk/question.xpm"
+#include "wx/gtk/warning.xpm"
+
+#undef static
+
+wxIcon wxApp::GetStdIcon(int which) const
+{
+    switch(which)
     {
-        // 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 );
-        }
+        case wxICON_INFORMATION:
+            return wxIcon(info_xpm);
+
+        case wxICON_QUESTION:
+            return wxIcon(question_xpm);
+
+        case wxICON_EXCLAMATION:
+            return wxIcon(warning_xpm);
+
+        default:
+            wxFAIL_MSG(wxT("requested non existent standard icon"));
+            // still fall through
+
+        case wxICON_HAND:
+            return wxIcon(error_xpm);
     }
+}
+#else
+wxIcon wxApp::GetStdIcon(int which) const
+{
+    return wxTheme::Get()->GetRenderer()->GetStdIcon(which);
+}
+#endif // !__WXUNIVERSAL__
 
-    wxTheApp->OnExit();
 
-    // flush the logged messages if any
-    wxLog *log = wxLog::GetActiveTarget();
-    if (log != NULL && log->HasPendingMessages())
-        log->Flush();
+#ifdef __WXDEBUG__
 
-    // 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;
+void wxApp::OnAssert(const wxChar *file, int line, const wxChar *msg)
+{
+    m_isInAssert = TRUE;
 
-    wxApp::CleanUp();
+    wxAppBase::OnAssert(file, line, msg);
 
-    return retValue;
+    m_isInAssert = FALSE;
 }
 
+#endif // __WXDEBUG__
+