Don't overwrite status message when restoring it if it changed.

[wxWidgets.git] / src / gtk1 / app.cpp

diff --git a/src/gtk1/app.cpp b/src/gtk1/app.cpp
index eccbb52d0a7ea32e83d2f6e738a56f94e6da69d9..66fced32c3d7690f9740b666c4cf2bb9e6cefbf0 100644 (file)
--- a/src/gtk1/app.cpp
+++ b/src/gtk1/app.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        app.cpp
+// Name:        src/gtk1/app.cpp

 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$


@@ -7,34 +7,33 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-    #pragma implementation "app.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#include "wx/app.h"

 
 

-#ifdef __VMS
-#include <vms_jackets.h>
+#ifndef WX_PRECOMP
+    #include "wx/intl.h"
+    #include "wx/log.h"
+    #include "wx/utils.h"
+    #include "wx/dialog.h"
+    #include "wx/settings.h"
+    #include "wx/msgdlg.h"
+    #include "wx/memory.h"
+    #include "wx/font.h"
+    #include "wx/gdicmn.h"
+    #include "wx/image.h"
+    #include "wx/module.h"

 #endif
 
 #endif
 

-#include "wx/app.h"
-#include "wx/gdicmn.h"
-#include "wx/utils.h"
-#include "wx/intl.h"
-#include "wx/log.h"
-#include "wx/memory.h"
-#include "wx/font.h"
-#include "wx/settings.h"
-#include "wx/dialog.h"
-#include "wx/msgdlg.h"

 #include "wx/file.h"
 #include "wx/filename.h"
 #include "wx/file.h"
 #include "wx/filename.h"

+#include "wx/thread.h"

 
 

-#if wxUSE_WX_RESOURCES
-    #include "wx/resource.h"
+#ifdef __WXGPE__
+#include <gpe/init.h>

 #endif
 
 #endif
 

-#include "wx/module.h"
-#include "wx/image.h"
-

 #ifdef __WXUNIVERSAL__
     #include "wx/univ/theme.h"
     #include "wx/univ/renderer.h"
 #ifdef __WXUNIVERSAL__
     #include "wx/univ/theme.h"
     #include "wx/univ/renderer.h"


@@ -69,24 +68,24 @@
     #include <sys/types.h>
     #include <sys/time.h>
     #include <unistd.h>
     #include <sys/types.h>
     #include <sys/time.h>
     #include <unistd.h>

+    #ifdef HAVE_SYS_SELECT_H
+        #include <sys/select.h>
+    #endif

 #endif // HAVE_POLL/!HAVE_POLL
 
 #endif // HAVE_POLL/!HAVE_POLL
 

-#include "wx/gtk/win_gtk.h"
+#include "wx/unix/private.h"
+#include "wx/gtk1/win_gtk.h"

 
 #include <gtk/gtk.h>
 
 
 #include <gtk/gtk.h>
 

-

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

-wxApp *wxTheApp = (wxApp *)  NULL;
-wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
-
-bool   g_mainThreadLocked = FALSE;
+bool   g_mainThreadLocked = false;

 gint   g_pendingTag = 0;
 
 gint   g_pendingTag = 0;
 

-static GtkWidget *gs_RootWindow = (GtkWidget*) NULL;
+static GtkWidget *gs_RootWindow = NULL;

 
 //-----------------------------------------------------------------------------
 // idle system
 
 //-----------------------------------------------------------------------------
 // idle system


@@ -96,96 +95,35 @@ extern bool g_isIdle;
 
 void wxapp_install_idle_handler();
 
 
 void wxapp_install_idle_handler();
 

-//-----------------------------------------------------------------------------
-// wxExit
-//-----------------------------------------------------------------------------
-
-void wxExit()
-{
-    gtk_main_quit();
-}
-
-//-----------------------------------------------------------------------------
-// wxYield
-//-----------------------------------------------------------------------------
-
-// not static because used by textctrl.cpp
-//
-// MT-FIXME
-bool wxIsInsideYield = FALSE;
-
-bool wxApp::Yield(bool onlyIfNeeded)
-{
-    if ( wxIsInsideYield )
-    {
-        if ( !onlyIfNeeded )
-        {
-            wxFAIL_MSG( wxT("wxYield called recursively" ) );
-        }
-
-        return FALSE;
-    }
-

 #if wxUSE_THREADS
 #if wxUSE_THREADS

-    if ( !wxThread::IsMain() )
-    {
-        // can't call gtk_main_iteration() from other threads like this
-        return TRUE;
-    }
-#endif // wxUSE_THREADS
-
-    wxIsInsideYield = 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();
-
-    wxIsInsideYield = FALSE;
+static wxMutex gs_idleTagsMutex;
+#endif

 
 

-    return TRUE;
-}

 
 //-----------------------------------------------------------------------------
 // wxWakeUpIdle
 //-----------------------------------------------------------------------------
 
 
 //-----------------------------------------------------------------------------
 // wxWakeUpIdle
 //-----------------------------------------------------------------------------
 

-void wxWakeUpIdle()
+// RR/KH: The wxMutexGui calls are not needed on GTK2 according to
+// the GTK faq, http://www.gtk.org/faq/#AEN500
+// The calls to gdk_threads_enter() and leave() are specifically noted
+// as not being necessary.  The MutexGui calls are still left in for GTK1.
+// Eliminating the MutexGui calls fixes the long-standing "random" lockup
+// when using wxPostEvent (which calls WakeUpIdle) from a thread.
+
+void wxApp::WakeUpIdle()

 {
 #if wxUSE_THREADS
     if (!wxThread::IsMain())
         wxMutexGuiEnter();
 {
 #if wxUSE_THREADS
     if (!wxThread::IsMain())
         wxMutexGuiEnter();

-#endif
+#endif // wxUSE_THREADS

 
 

-    if (g_isIdle)
-        wxapp_install_idle_handler();
+    wxapp_install_idle_handler();

 
 #if wxUSE_THREADS
     if (!wxThread::IsMain())
         wxMutexGuiLeave();
 
 #if wxUSE_THREADS
     if (!wxThread::IsMain())
         wxMutexGuiLeave();

-#endif
+#endif // wxUSE_THREADS

 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------


@@ -208,7 +146,12 @@ static gint wxapp_pending_callback( gpointer WXUNUSED(data) )
     // Sent idle event to all who request them.
     wxTheApp->ProcessPendingEvents();
 
     // Sent idle event to all who request them.
     wxTheApp->ProcessPendingEvents();
 

-    g_pendingTag = 0;
+    {
+#if wxUSE_THREADS
+        wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+        g_pendingTag = 0;
+    }

 
     // Flush the logged messages if any.
 #if wxUSE_LOG
 
     // Flush the logged messages if any.
 #if wxUSE_LOG


@@ -228,7 +171,7 @@ static gint wxapp_idle_callback( gpointer WXUNUSED(data) )
     if (!wxTheApp)
         return TRUE;
 
     if (!wxTheApp)
         return TRUE;
 

-#ifdef __WXDEBUG__
+#if wxDEBUG_LEVEL

     // 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
     // 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


@@ -237,13 +180,13 @@ static gint wxapp_idle_callback( gpointer WXUNUSED(data) )
         // But repaint the assertion message if necessary
         if (wxTopLevelWindows.GetCount() > 0)
         {
         // But repaint the assertion message if necessary
         if (wxTopLevelWindows.GetCount() > 0)
         {

-            wxWindow* win = (wxWindow*) wxTopLevelWindows.Last()->Data();
+            wxWindow* win = (wxWindow*) wxTopLevelWindows.GetLast()->GetData();

             if (win->IsKindOf(CLASSINFO(wxGenericMessageDialog)))
                 win->OnInternalIdle();
         }
         return TRUE;
     }
             if (win->IsKindOf(CLASSINFO(wxGenericMessageDialog)))
                 win->OnInternalIdle();
         }
         return TRUE;
     }

-#endif // __WXDEBUG__
+#endif // wxDEBUG_LEVEL

 
     // When getting called from GDK's time-out handler
     // we are no longer within GDK's grab on the GUI
 
     // When getting called from GDK's time-out handler
     // we are no longer within GDK's grab on the GUI


@@ -252,8 +195,13 @@ static gint wxapp_idle_callback( gpointer WXUNUSED(data) )
 
     // Indicate that we are now in idle mode and event handlers
     // will have to reinstall the idle handler again.
 
     // 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;
+    {
+#if wxUSE_THREADS
+        wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+        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.
 
     // Send idle event to all who request them as long as
     // no events have popped up in the event queue.


@@ -291,23 +239,23 @@ int wxPoll(wxPollFd *ufds, unsigned int nfds, int timeout)
     fd_set readfds;
     fd_set writefds;
     fd_set exceptfds;
     fd_set readfds;
     fd_set writefds;
     fd_set exceptfds;

-    FD_ZERO(&readfds);
-    FD_ZERO(&writefds);
-    FD_ZERO(&exceptfds);
+    wxFD_ZERO(&readfds);
+    wxFD_ZERO(&writefds);
+    wxFD_ZERO(&exceptfds);

 
     unsigned int i;
     for ( i = 0; i < nfds; i++ )
     {
 
     unsigned int i;
     for ( i = 0; i < nfds; i++ )
     {

-        wxASSERT_MSG( ufds[i].fd < FD_SETSIZE, _T("fd out of range") );
+        wxASSERT_MSG( ufds[i].fd < FD_SETSIZE, wxT("fd out of range") );

 
         if ( ufds[i].events & G_IO_IN )
 
         if ( ufds[i].events & G_IO_IN )

-            FD_SET(ufds[i].fd, &readfds);
+            wxFD_SET(ufds[i].fd, &readfds);

 
         if ( ufds[i].events & G_IO_PRI )
 
         if ( ufds[i].events & G_IO_PRI )

-            FD_SET(ufds[i].fd, &exceptfds);
+            wxFD_SET(ufds[i].fd, &exceptfds);

 
         if ( ufds[i].events & G_IO_OUT )
 
         if ( ufds[i].events & G_IO_OUT )

-            FD_SET(ufds[i].fd, &writefds);
+            wxFD_SET(ufds[i].fd, &writefds);

 
         if ( ufds[i].fd > fdMax )
             fdMax = ufds[i].fd;
 
         if ( ufds[i].fd > fdMax )
             fdMax = ufds[i].fd;


@@ -321,13 +269,13 @@ int wxPoll(wxPollFd *ufds, unsigned int nfds, int timeout)
     {
         ufds[i].revents = 0;
 
     {
         ufds[i].revents = 0;
 

-        if ( FD_ISSET(ufds[i].fd, &readfds ) )
+        if ( wxFD_ISSET(ufds[i].fd, &readfds ) )

             ufds[i].revents |= G_IO_IN;
 
             ufds[i].revents |= G_IO_IN;
 

-        if ( FD_ISSET(ufds[i].fd, &exceptfds ) )
+        if ( wxFD_ISSET(ufds[i].fd, &exceptfds ) )

             ufds[i].revents |= G_IO_PRI;
 
             ufds[i].revents |= G_IO_PRI;
 

-        if ( FD_ISSET(ufds[i].fd, &writefds ) )
+        if ( wxFD_ISSET(ufds[i].fd, &writefds ) )

             ufds[i].revents |= G_IO_OUT;
     }
 
             ufds[i].revents |= G_IO_OUT;
     }
 


@@ -341,14 +289,14 @@ static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout )
     gdk_threads_enter();
 
     wxMutexGuiLeave();
     gdk_threads_enter();
 
     wxMutexGuiLeave();

-    g_mainThreadLocked = TRUE;
+    g_mainThreadLocked = true;

 
     // we rely on the fact that glib GPollFD struct is really just pollfd but
     // I wonder how wise is this in the long term (VZ)
     gint res = wxPoll( (wxPollFd *) ufds, nfds, timeout );
 
     wxMutexGuiEnter();
 
     // we rely on the fact that glib GPollFD struct is really just pollfd but
     // I wonder how wise is this in the long term (VZ)
     gint res = wxPoll( (wxPollFd *) ufds, nfds, timeout );
 
     wxMutexGuiEnter();

-    g_mainThreadLocked = FALSE;
+    g_mainThreadLocked = false;

 
     gdk_threads_leave();
 
 
     gdk_threads_leave();
 


@@ -361,9 +309,23 @@ static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout )
 
 void wxapp_install_idle_handler()
 {
 
 void wxapp_install_idle_handler()
 {

+#if wxUSE_THREADS
+    wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+
+    // Don't install the handler if it's already installed. This test *MUST*
+    // be done when gs_idleTagsMutex is locked!
+    if (!g_isIdle)
+        return;
+
+    // GD: this assert is raised when using the thread sample (which works)
+    //     so the test is probably not so easy. Can widget callbacks be
+    //     triggered from child threads and, if so, for which widgets?
+    // wxASSERT_MSG( wxThread::IsMain() || gs_WakeUpIdle, wxT("attempt to install idle handler from widget callback in child thread (should be exclusively from wxWakeUpIdle)") );
+

     wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") );
 
     wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") );
 

-    g_isIdle = FALSE;
+    g_isIdle = false;

 
     if (g_pendingTag == 0)
         g_pendingTag = gtk_idle_add_priority( 900, wxapp_pending_callback, (gpointer) NULL );
 
     if (g_pendingTag == 0)
         g_pendingTag = gtk_idle_add_priority( 900, wxapp_pending_callback, (gpointer) NULL );


@@ -376,6 +338,28 @@ void wxapp_install_idle_handler()
     wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL );
 }
 
     wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL );
 }
 

+static bool wxOKlibc()
+{
+#if defined(__UNIX__) && defined(__GLIBC__)
+    // glibc 2.0 uses UTF-8 even when it shouldn't
+    wchar_t res = 0;
+    if ((MB_CUR_MAX == 2) &&
+        (wxMB2WC(&res, "\xdd\xa5", 1) == 1) &&
+        (res==0x765))
+    {
+        // this is UTF-8 allright, check whether that's what we want
+        char *cur_locale = setlocale(LC_CTYPE, NULL);
+        if ((strlen(cur_locale) < 4) ||
+        (strcasecmp(cur_locale + strlen(cur_locale) - 4, "utf8")) ||
+        (strcasecmp(cur_locale + strlen(cur_locale) - 5, "utf-8"))) {
+        // nope, don't use libc conversion
+        return false;
+        }
+    }
+#endif
+    return true;
+}
+

 //-----------------------------------------------------------------------------
 // Access to the root window global
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // Access to the root window global
 //-----------------------------------------------------------------------------


@@ -396,18 +380,12 @@ GtkWidget* wxGetRootWindow()
 
 IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
 

-BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
-    EVT_IDLE(wxApp::OnIdle)
-END_EVENT_TABLE()
-

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

-    m_initialized = FALSE;
-#ifdef __WXDEBUG__
-    m_isInAssert = FALSE;
-#endif // __WXDEBUG__
+    m_isInAssert = false;

 
     m_idleTag = 0;
 
     m_idleTag = 0;

+    g_isIdle = TRUE;

     wxapp_install_idle_handler();
 
 #if wxUSE_THREADS
     wxapp_install_idle_handler();
 
 #if wxUSE_THREADS


@@ -417,7 +395,8 @@ wxApp::wxApp()
     m_colorCube = (unsigned char*) NULL;
 
     // this is NULL for a "regular" wxApp, but is set (and freed) by a wxGLApp
     m_colorCube = (unsigned char*) NULL;
 
     // this is NULL for a "regular" wxApp, but is set (and freed) by a wxGLApp

-    m_glVisualInfo = (void *) NULL;
+    m_glVisualInfo = NULL;
+    m_glFBCInfo = NULL;

 }
 
 wxApp::~wxApp()
 }
 
 wxApp::~wxApp()


@@ -430,7 +409,7 @@ wxApp::~wxApp()
 bool wxApp::OnInitGui()
 {
     if ( !wxAppBase::OnInitGui() )
 bool wxApp::OnInitGui()
 {
     if ( !wxAppBase::OnInitGui() )

-        return FALSE;
+        return false;

 
     GdkVisual *visual = gdk_visual_get_system();
 
 
     GdkVisual *visual = gdk_visual_get_system();
 


@@ -438,14 +417,9 @@ bool wxApp::OnInitGui()
     // chosen a specific visual, then derive the GdkVisual from that
     if (m_glVisualInfo != NULL)
     {
     // 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 );
         GdkVisual* vis = gdkx_visual_get(
             ((XVisualInfo *) m_glVisualInfo) ->visualid );
         gtk_widget_set_default_visual( vis );

-#endif

 
         GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
         gtk_widget_set_default_colormap( colormap );
 
         GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
         gtk_widget_set_default_colormap( colormap );


@@ -459,13 +433,8 @@ bool wxApp::OnInitGui()
     else
     if ((gdk_visual_get_best() != gdk_visual_get_system()) && (m_useBestVisual))
     {
     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 );
         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 );
 
         GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
         gtk_widget_set_default_colormap( colormap );


@@ -524,7 +493,7 @@ bool wxApp::OnInitGui()
         }
     }
 
         }
     }
 

-    return TRUE;
+    return true;

 }
 
 GdkVisual *wxApp::GetGdkVisual()
 }
 
 GdkVisual *wxApp::GetGdkVisual()


@@ -541,415 +510,143 @@ GdkVisual *wxApp::GetGdkVisual()
     return visual;
 }
 
     return visual;
 }
 

-bool wxApp::ProcessIdle()
+bool wxApp::Initialize(int& argc, wxChar **argv)

 {
 {

-    wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
-    node = wxTopLevelWindows.GetFirst();
-    while (node)
-    {
-        wxWindow* win = node->GetData();
-        CallInternalIdle( win );
-
-        node = node->GetNext();
-    }
-
-    wxIdleEvent event;
-    event.SetEventObject( this );
-    ProcessEvent( event );
-
-    return event.MoreRequested();
-}
-
-void wxApp::OnIdle( wxIdleEvent &event )
-{
-    static bool s_inOnIdle = FALSE;
-
-    // Avoid recursion (via ProcessEvent default case)
-    if (s_inOnIdle)
-        return;
-
-    s_inOnIdle = TRUE;
-
-    // Resend in the main thread events which have been prepared in other
-    // threads
-    ProcessPendingEvents();
-
-    // 'Garbage' collection of windows deleted with Close()
-    DeletePendingObjects();
-
-    // Send OnIdle events to all windows
-    bool needMore = SendIdleEvents();
-
-    if (needMore)
-        event.RequestMore(TRUE);
-
-    s_inOnIdle = FALSE;
-}
-
-bool wxApp::SendIdleEvents()
-{
-    bool needMore = FALSE;
-
-    wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
-    while (node)
-    {
-        wxWindow* win = node->GetData();
-        if (SendIdleEvents(win))
-            needMore = TRUE;
-
-        node = node->GetNext();
-    }
-
-    return needMore;
-}
-
-bool wxApp::CallInternalIdle( wxWindow* win )
-{
-    win->OnInternalIdle();
-
-    wxNode* node = win->GetChildren().First();
-    while (node)
-    {
-        wxWindow* win = (wxWindow*) node->Data();
-        CallInternalIdle( win );
-
-        node = node->Next();
-    }
-
-    return TRUE;
-}
-
-bool wxApp::SendIdleEvents( wxWindow* win )
-{
-    bool needMore = FALSE;
-
-    wxIdleEvent event;
-    event.SetEventObject(win);
-
-    win->GetEventHandler()->ProcessEvent(event);
-
-    if (event.MoreRequested())
-        needMore = TRUE;
-
-    wxNode* node = win->GetChildren().First();
-    while (node)
-    {
-        wxWindow* win = (wxWindow*) node->Data();
-        if (SendIdleEvents(win))
-            needMore = TRUE;
-
-        node = node->Next();
-    }
-
-    return needMore;
-}
-
-int wxApp::MainLoop()
-{
-    gtk_main();
-    return 0;
-}
-
-void wxApp::ExitMainLoop()
-{
-    if (gtk_main_level() > 0)
-        gtk_main_quit();
-}
-
-bool wxApp::Initialized()
-{
-    return m_initialized;
-}
+    bool init_result;

 
 

-bool wxApp::Pending()
-{
-    return (gtk_events_pending() > 0);
-}
-
-void wxApp::Dispatch()
-{
-    gtk_main_iteration();
-}
-
-void wxApp::DeletePendingObjects()
-{
-    wxNode *node = wxPendingDelete.First();
-    while (node)
-    {
-        wxObject *obj = (wxObject *)node->Data();
-
-        delete obj;
-
-        if (wxPendingDelete.Find(obj))
-            delete node;
-
-        node = wxPendingDelete.First();
-    }
-}
-
-bool wxApp::Initialize()
-{
-    wxClassInfo::InitializeClasses();
-
-    // 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();
-
-    wxInitializeStockLists();
-    wxInitializeStockObjects();
-
-#if wxUSE_WX_RESOURCES
-    wxInitializeResourceSystem();
-#endif
-
-    wxModule::RegisterModules();
-    if (!wxModule::InitializeModules())
-        return FALSE;
-
-#if wxUSE_INTL
-    wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
-#endif
-
-    return TRUE;
-}
-
-void wxApp::CleanUp()
-{
-    wxModule::CleanUpModules();
-
-#if wxUSE_WX_RESOURCES
-    wxCleanUpResourceSystem();
-#endif
-
-    delete wxTheColourDatabase;
-    wxTheColourDatabase = (wxColourDatabase*) NULL;
-
-    wxDeleteStockObjects();
-
-    wxDeleteStockLists();
-
-    delete wxTheApp;
-    wxTheApp = (wxApp*) NULL;
-
-    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(TRUE) > 0)
-    {
-        wxLogDebug(wxT("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
-//-----------------------------------------------------------------------------
-
-// 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))
     {
 #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" );
+        printf( "wxWidgets warning: GUI threading disabled due to outdated GTK version\n" );

     }
     else
     {
     }
     else
     {

-        g_thread_init(NULL);
+        if (!g_thread_supported())
+            g_thread_init(NULL);

     }
     }

-#endif
+#endif // wxUSE_THREADS

 
     gtk_set_locale();
 
     // We should have the wxUSE_WCHAR_T test on the _outside_
 
     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
+    if (!wxOKlibc())
+        wxConvCurrent = &wxConvLocal;

 
 

-    gdk_threads_enter();
-
-    gtk_init( &argc, &argv );
-
-    wxSetDetectableAutoRepeat( TRUE );
-
-    if (!wxApp::Initialize())
+#if wxUSE_UNICODE
+    // gtk_init() wants UTF-8, not wchar_t, so convert
+    int i;
+    char **argvGTK = new char *[argc + 1];
+    for ( i = 0; i < argc; i++ )

     {
     {

-        gdk_threads_leave();
-        return -1;
+        argvGTK[i] = wxStrdupA(wxConvUTF8.cWX2MB(argv[i]));

     }
 
     }
 

-    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();
-}
+    argvGTK[argc] = NULL;

 
 

+    int argcGTK = argc;

 
 

-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();
+#ifdef __WXGPE__
+    init_result = true;  // is there a _check() version of this?
+    gpe_application_init( &argcGTK, &argvGTK );
+#else
+    init_result = gtk_init_check( &argcGTK, &argvGTK );

 #endif
 #endif

-    int err = wxEntryStart(argc, argv);
-    if (err)
-        return err;

 
 

-    if (!wxTheApp)
+    if ( argcGTK != argc )

     {
     {

-        wxCHECK_MSG( wxApp::GetInitializerFunction(), -1,
-                     wxT("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, wxT("wxWindows error: no application object") );
+        // we have to drop the parameters which were consumed by GTK+
+        for ( i = 0; i < argcGTK; i++ )
+        {
+            while ( strcmp(wxConvUTF8.cWX2MB(argv[i]), argvGTK[i]) != 0 )
+            {
+                memmove(argv + i, argv + i + 1, argc - i);
+            }
+        }

 
 

-    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++;
+        argc = argcGTK;

     }
     }

-    wxTheApp->argv[mb_argc] = (wxChar *)NULL;
-#else
-    wxTheApp->argv = argv;
-#endif
+    //else: gtk_init() didn't modify our parameters

 
 

-    if (wxTheApp->argc > 0)
+    // free our copy
+    for ( i = 0; i < argcGTK; i++ )

     {
     {

-        wxFileName fname( wxTheApp->argv[0] );
-        wxTheApp->SetAppName( fname.GetName() );
+        free(argvGTK[i]);

     }
 
     }
 

-    int retValue;
-    retValue = wxEntryInitGui();
+    delete [] argvGTK;
+#else // !wxUSE_UNICODE
+    // gtk_init() shouldn't actually change argv itself (just its contents) so
+    // it's ok to pass pointer to it
+    init_result = gtk_init_check( &argc, &argv );
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE

 
 

-    // Here frames insert themselves automatically into wxTopLevelWindows by
-    // getting created in OnInit().
-    if ( retValue == 0 )
-    {
-        if ( !wxTheApp->OnInit() )
-            retValue = -1;
+    if (!init_result) {
+        wxLogError(wxT("Unable to initialize gtk, is DISPLAY set properly?"));
+        return false;

     }
 
     }
 

-    if ( retValue == 0 )
-    {
-        // Delete pending toplevel windows
-        wxTheApp->DeletePendingObjects();
-
-        // When is the app not initialized ?
-        wxTheApp->m_initialized = TRUE;
-
-        if (wxTheApp->Initialized())
-        {
-            wxTheApp->OnRun();
-
-            wxWindow *topWindow = wxTheApp->GetTopWindow();
-
-            // Delete all pending windows if any
-            wxTheApp->DeletePendingObjects();
+    // we can not enter threads before gtk_init is done
+    gdk_threads_enter();

 
 

-            // Reset top window
-            if (topWindow)
-                wxTheApp->SetTopWindow( (wxWindow*) NULL );
+    if ( !wxAppBase::Initialize(argc, argv) )
+    {
+        gdk_threads_leave();

 
 

-            retValue = wxTheApp->OnExit();
-        }
+        return false;

     }
 
     }
 

-    wxEntryCleanup();
+    wxSetDetectableAutoRepeat( TRUE );
+
+#if wxUSE_INTL
+    wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
+#endif

 
 

-    return retValue;
+    return true;

 }
 
 }
 

-#ifdef __WXDEBUG__
-
-void wxApp::OnAssert(const wxChar *file, int line, const wxChar* cond, const wxChar *msg)
+void wxApp::CleanUp()

 {
 {

-    m_isInAssert = TRUE;
-
-    wxAppBase::OnAssert(file, line, cond, msg);
+    gdk_threads_leave();

 
 

-    m_isInAssert = FALSE;
+    wxAppBase::CleanUp();

 }
 
 }
 

-#endif // __WXDEBUG__
+void wxApp::OnAssertFailure(const wxChar *file,
+                            int line,
+                            const wxChar* func,
+                            const wxChar* cond,
+                            const wxChar *msg)
+{
+    // there is no need to do anything if asserts are disabled in this build
+    // anyhow
+#if wxDEBUG_LEVEL
+    // block wx idle events while assert dialog is showing
+    m_isInAssert = true;
+
+    wxAppBase::OnAssertFailure(file, line, func, cond, msg);
+
+    m_isInAssert = false;
+#else // !wxDEBUG_LEVEL
+    wxUnusedVar(file);
+    wxUnusedVar(line);
+    wxUnusedVar(func);
+    wxUnusedVar(cond);
+    wxUnusedVar(msg);
+#endif // wxDEBUG_LEVEL/!wxDEBUG_LEVEL
+}

 
 

+void wxApp::RemoveIdleTag()
+{
+#if wxUSE_THREADS
+    wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+    if (!g_isIdle)
+    {
+        gtk_idle_remove( wxTheApp->m_idleTag );
+        wxTheApp->m_idleTag = 0;
+        g_isIdle = true;
+    }
+}