Use the data scheme to load resources in the WebKitGTK+ implementation, rather than...

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

diff --git a/src/gtk1/app.cpp b/src/gtk1/app.cpp
index 06afb50f124152bf32f60f8d36983211296acb2d..6c81dc38a44b0c223817cbb154c4f8c80c61eb03 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:          $Id$


@@ -7,29 +7,32 @@
 // 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>
-#undef ConnectionNumber
+#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/module.h"
-#include "wx/image.h"
+#include "wx/thread.h"
+
+#ifdef __WXGPE__
+#include <gpe/init.h>
+#endif

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


@@ -65,21 +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
 //-----------------------------------------------------------------------------
 

-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


@@ -89,87 +95,35 @@ extern bool g_isIdle;
 
 void wxapp_install_idle_handler();
 
 
 void wxapp_install_idle_handler();
 

-//-----------------------------------------------------------------------------
-// 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
 //-----------------------------------------------------------------------------
 

+// 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();
 void wxApp::WakeUpIdle()
 {
 #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

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


@@ -192,7 +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


@@ -212,7 +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


@@ -222,16 +181,12 @@ static gint wxapp_idle_callback( gpointer WXUNUSED(data) )
         if (wxTopLevelWindows.GetCount() > 0)
         {
             wxWindow* win = (wxWindow*) wxTopLevelWindows.GetLast()->GetData();
         if (wxTopLevelWindows.GetCount() > 0)
         {
             wxWindow* win = (wxWindow*) wxTopLevelWindows.GetLast()->GetData();

-#ifdef __WXGTK20__
-            if (win->IsKindOf(CLASSINFO(wxMessageDialog)))
-#else

             if (win->IsKindOf(CLASSINFO(wxGenericMessageDialog)))
             if (win->IsKindOf(CLASSINFO(wxGenericMessageDialog)))

-#endif

                 win->OnInternalIdle();
         }
         return TRUE;
     }
                 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


@@ -240,8 +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.


@@ -279,23 +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;


@@ -309,13 +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;
     }
 


@@ -329,14 +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();
 


@@ -349,6 +309,15 @@ 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?
     // 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?


@@ -356,7 +325,7 @@ void wxapp_install_idle_handler()
 
     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 );


@@ -369,6 +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
 //-----------------------------------------------------------------------------


@@ -389,18 +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


@@ -410,7 +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()


@@ -423,7 +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();
 


@@ -431,14 +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 );


@@ -452,13 +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 );


@@ -517,7 +493,7 @@ bool wxApp::OnInitGui()
         }
     }
 
         }
     }
 

-    return TRUE;
+    return true;

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


@@ -534,97 +510,29 @@ GdkVisual *wxApp::GetGdkVisual()
     return visual;
 }
 
     return visual;
 }
 

-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;
-}
-
-int wxApp::MainLoop()
-{
-    gtk_main();
-    return 0;
-}
-
-void wxApp::Exit()
-{
-    // VZ: no idea why is it different from ExitMainLoop() but this is what
-    //     wxExit() used to do
-    gtk_main_quit();
-}
-
-void wxApp::ExitMainLoop()
-{
-    if (gtk_main_level() > 0)
-        gtk_main_quit();
-}
-
-bool wxApp::Initialized()
-{
-    return m_initialized;
-}
-
-bool wxApp::Pending()
-{
-    return (gtk_events_pending() > 0);
-}
-
-void wxApp::Dispatch()
-{
-    gtk_main_iteration();
-}
-

 bool wxApp::Initialize(int& argc, wxChar **argv)
 {
 bool wxApp::Initialize(int& argc, wxChar **argv)
 {

+    bool init_result;
+

 #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 // wxUSE_THREADS
 
     gtk_set_locale();
 
     }
 #endif // wxUSE_THREADS
 
     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 // GTK 1.x
-        if (!wxOKlibc())
-            wxConvCurrent = &wxConvLocal;
-    #endif
-#else // !wxUSE_WCHAR_T

     if (!wxOKlibc())
     if (!wxOKlibc())

-        wxConvCurrent = (wxMBConv*) NULL;
-#endif // wxUSE_WCHAR_T/!wxUSE_WCHAR_T
+        wxConvCurrent = &wxConvLocal;

 
 #if wxUSE_UNICODE
     // gtk_init() wants UTF-8, not wchar_t, so convert
 
 #if wxUSE_UNICODE
     // gtk_init() wants UTF-8, not wchar_t, so convert


@@ -638,7 +546,13 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
     argvGTK[argc] = NULL;
 
     int argcGTK = argc;
     argvGTK[argc] = NULL;
 
     int argcGTK = argc;

-    gtk_init( &argcGTK, &argvGTK );
+
+#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

 
     if ( argcGTK != argc )
     {
 
     if ( argcGTK != argc )
     {


@@ -665,10 +579,15 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
 #else // !wxUSE_UNICODE
     // gtk_init() shouldn't actually change argv itself (just its contents) so
     // it's ok to pass pointer to it
 #else // !wxUSE_UNICODE
     // gtk_init() shouldn't actually change argv itself (just its contents) so
     // it's ok to pass pointer to it

-    gtk_init( &argc, &argv );
+    init_result = gtk_init_check( &argc, &argv );

 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
 
 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
 

-    // we can not enter threads before gtk_init is done
+    if (!init_result) {
+        wxLogError(wxT("Unable to initialize gtk, is DISPLAY set properly?"));
+        return false;
+    }
+
+    // we cannot enter threads before gtk_init is done

     gdk_threads_enter();
 
     if ( !wxAppBase::Initialize(argc, argv) )
     gdk_threads_enter();
 
     if ( !wxAppBase::Initialize(argc, argv) )


@@ -684,8 +603,6 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
     wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
 #endif
 
     wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
 #endif
 

-    wxGetRootWindow();
-

     return true;
 }
 
     return true;
 }
 


@@ -696,16 +613,39 @@ void wxApp::CleanUp()
     wxAppBase::CleanUp();
 }
 
     wxAppBase::CleanUp();
 }
 

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

 {
 {

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

 }
 
 }
 

-#endif // __WXDEBUG__
-
+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;
+    }
+}