don't compare invalid iterators/node pointers

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

diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp
index 7b88bc6f5e8c6247b92403b09a75cae334889d52..286164ca96f27436a2f4fed2685452f2826aa7c6 100644 (file)
--- a/src/gtk/app.cpp
+++ b/src/gtk/app.cpp
@@ -7,10 +7,15 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-    #pragma implementation "app.h"
+#ifdef __VMS
+// vms_jackets.h should for proper working be included before anything else
+# include <vms_jackets.h>
+#undef ConnectionNumber

 #endif
 
 #endif
 

+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+

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


@@ -20,13 +25,16 @@
 #include "wx/font.h"
 #include "wx/settings.h"
 #include "wx/dialog.h"
 #include "wx/font.h"
 #include "wx/settings.h"
 #include "wx/dialog.h"

-
-#if wxUSE_WX_RESOURCES
-    #include "wx/resource.h"
-#endif
-
+#include "wx/msgdlg.h"
+#include "wx/file.h"
+#include "wx/filename.h"

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


@@ -38,19 +46,50 @@
 #endif
 
 #include <unistd.h>
 #endif
 
 #include <unistd.h>

+
+#ifdef HAVE_POLL
+    #if defined(__VMS)
+        #include <poll.h>
+    #else
+        // bug in the OpenBSD headers: at least in 3.1 there is no extern "C"
+        // in neither poll.h nor sys/poll.h which results in link errors later
+        #ifdef __OPENBSD__
+            extern "C"
+            {
+        #endif
+
+        #include <sys/poll.h>
+
+        #ifdef __OPENBSD__
+            };
+        #endif
+    #endif // platform
+#else // !HAVE_POLL
+    // we implement poll() ourselves using select() which is supposed exist in
+    // all modern Unices
+    #include <sys/types.h>
+    #include <sys/time.h>
+    #include <unistd.h>
+#endif // HAVE_POLL/!HAVE_POLL
+
+#include "wx/unix/private.h"

 #include "wx/gtk/win_gtk.h"
 #include "wx/gtk/win_gtk.h"

+#include "wx/gtk/private.h"

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

-

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

-// global data
+// link GnomeVFS

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

-wxApp *wxTheApp = (wxApp *)  NULL;
-wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
+#if wxUSE_LIBGNOMEVFS
+#include "wx/html/forcelnk.h"
+FORCE_LINK(gnome_vfs)
+#endif

 
 

-extern bool g_isIdle;
+//-----------------------------------------------------------------------------
+// global data
+//-----------------------------------------------------------------------------

 
 bool   g_mainThreadLocked = FALSE;
 gint   g_pendingTag = 0;
 
 bool   g_mainThreadLocked = FALSE;
 gint   g_pendingTag = 0;


@@ -58,38 +97,27 @@ gint   g_pendingTag = 0;
 static GtkWidget *gs_RootWindow = (GtkWidget*) NULL;
 
 //-----------------------------------------------------------------------------
 static GtkWidget *gs_RootWindow = (GtkWidget*) NULL;
 
 //-----------------------------------------------------------------------------

-// local functions
+// idle system

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

-extern "C"
-{
-    gint wxapp_idle_callback( gpointer WXUNUSED(data) );
-    gint wxapp_pending_callback( gpointer WXUNUSED(data) );
-}
-
-void wxapp_install_thread_wakeup();
-void wxapp_uninstall_thread_wakeup();

 void wxapp_install_idle_handler();
 
 void wxapp_install_idle_handler();
 

-//-----------------------------------------------------------------------------
-// wxExit
-//-----------------------------------------------------------------------------
-
-void wxExit()
-{
-    gtk_main_quit();
-}
+#if wxUSE_THREADS
+static wxMutex gs_idleTagsMutex;
+#endif

 
 //-----------------------------------------------------------------------------
 // wxYield
 //-----------------------------------------------------------------------------
 
 
 //-----------------------------------------------------------------------------
 // wxYield
 //-----------------------------------------------------------------------------
 

+// not static because used by textctrl.cpp
+//
+// MT-FIXME
+bool wxIsInsideYield = FALSE;
+

 bool wxApp::Yield(bool onlyIfNeeded)
 {
 bool wxApp::Yield(bool onlyIfNeeded)
 {

-    // MT-FIXME
-    static bool s_inYield = FALSE;
-
-    if ( s_inYield )
+    if ( wxIsInsideYield )

     {
         if ( !onlyIfNeeded )
         {
     {
         if ( !onlyIfNeeded )
         {


@@ -107,36 +135,35 @@ bool wxApp::Yield(bool onlyIfNeeded)
     }
 #endif // wxUSE_THREADS
 
     }
 #endif // wxUSE_THREADS
 

-    s_inYield = TRUE;
+    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;
-    }
+    // We need to remove idle callbacks or the loop will
+    // never finish.
+    wxTheApp->RemoveIdleTag();

 
 

+#if wxUSE_LOG

     // disable log flushing from here because a call to wxYield() shouldn't
     // normally result in message boxes popping up &c
     wxLog::Suspend();
     // disable log flushing from here because a call to wxYield() shouldn't
     // normally result in message boxes popping up &c
     wxLog::Suspend();

+#endif

 
     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
 
     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 
+    // 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();
 
     // call ProcessIdle() only once since this is not meant for longish
     // background jobs (controlled by wxIdleEvent::RequestMore() and the
     // return value of Processidle().
     ProcessIdle();
 

+#if wxUSE_LOG

     // let the logs be flashed again
     wxLog::Resume();
     // let the logs be flashed again
     wxLog::Resume();

+#endif

 
 

-    s_inYield = FALSE;
+    wxIsInsideYield = FALSE;

 
     return TRUE;
 }
 
     return TRUE;
 }


@@ -145,49 +172,23 @@ bool wxApp::Yield(bool onlyIfNeeded)
 // wxWakeUpIdle
 //-----------------------------------------------------------------------------
 
 // wxWakeUpIdle
 //-----------------------------------------------------------------------------
 

-void wxWakeUpIdle()
-{
-#if wxUSE_THREADS
-    if (!wxThread::IsMain())
-        wxMutexGuiEnter();
-#endif
-
-    if (g_isIdle)
-        wxapp_install_idle_handler();
+// RR/KH: No wxMutexGui calls are needed here according to the GTK faq,
+// http://www.gtk.org/faq/#AEN500 - this caused problems for wxPostEvent.

 
 

-#if wxUSE_THREADS
-    if (!wxThread::IsMain())
-        wxMutexGuiLeave();
-#endif
+void wxApp::WakeUpIdle()
+{
+    wxapp_install_idle_handler();

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

-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 );
-}
-

 // the callback functions must be extern "C" to comply with GTK+ declarations
 extern "C"
 {
 
 // the callback functions must be extern "C" to comply with GTK+ declarations
 extern "C"
 {
 

-gint wxapp_pending_callback( gpointer WXUNUSED(data) )
+static gint wxapp_pending_callback( gpointer WXUNUSED(data) )

 {
     if (!wxTheApp) return TRUE;
 
 {
     if (!wxTheApp) return TRUE;
 


@@ -199,7 +200,12 @@ 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


@@ -214,7 +220,7 @@ gint wxapp_pending_callback( gpointer WXUNUSED(data) )
     return FALSE;
 }
 
     return FALSE;
 }
 

-gint wxapp_idle_callback( gpointer WXUNUSED(data) )
+static gint wxapp_idle_callback( gpointer WXUNUSED(data) )

 {
     if (!wxTheApp)
         return TRUE;
 {
     if (!wxTheApp)
         return TRUE;


@@ -225,6 +231,13 @@ gint wxapp_idle_callback( gpointer WXUNUSED(data) )
     // from some safely-looking functions
     if ( wxTheApp->IsInAssert() )
     {
     // from some safely-looking functions
     if ( wxTheApp->IsInAssert() )
     {

+        // But repaint the assertion message if necessary
+        if (wxTopLevelWindows.GetCount() > 0)
+        {
+            wxWindow* win = (wxWindow*) wxTopLevelWindows.GetLast()->GetData();
+            if (win->IsKindOf(CLASSINFO(wxMessageDialog)))
+                win->OnInternalIdle();
+        }

         return TRUE;
     }
 #endif // __WXDEBUG__
         return TRUE;
     }
 #endif // __WXDEBUG__


@@ -236,86 +249,149 @@ 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;
+    }
+
+    bool moreIdles;

 
 

-    // Sent idle event to all who request them as long as
+    // Send idle event to all who request them as long as

     // no events have popped up in the event queue.
     // no events have popped up in the event queue.

-    while (wxTheApp->ProcessIdle() && (gtk_events_pending() == 0))
+    while ( (moreIdles = wxTheApp->ProcessIdle()) && gtk_events_pending() == 0)

         ;
 
     // Release lock again
     gdk_threads_leave();
 
         ;
 
     // 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;
+    // Return FALSE if no more idle events are to be sent
+    return moreIdles;

 }
 
 #if wxUSE_THREADS
 
 }
 
 #if wxUSE_THREADS
 

-gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) )
+#ifdef HAVE_POLL
+    #define wxPoll poll
+    #define wxPollFd pollfd
+#else // !HAVE_POLL
+
+typedef GPollFD wxPollFd;
+
+int wxPoll(wxPollFd *ufds, unsigned int nfds, int timeout)

 {
 {

-    // 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();
+    // convert timeout from ms to struct timeval (s/us)
+    timeval tv_timeout;
+    tv_timeout.tv_sec = timeout/1000;
+    tv_timeout.tv_usec = (timeout%1000)*1000;

 
 

-    wxapp_uninstall_thread_wakeup();
+    // remember the highest fd used here
+    int fdMax = -1;

 
 

-    // unblock other threads wishing to do some GUI things
-    wxMutexGuiLeave();
+    // and fill the sets for select()
+    fd_set readfds;
+    fd_set writefds;
+    fd_set exceptfds;
+    wxFD_ZERO(&readfds);
+    wxFD_ZERO(&writefds);
+    wxFD_ZERO(&exceptfds);

 
 

-    g_mainThreadLocked = TRUE;
+    unsigned int i;
+    for ( i = 0; i < nfds; i++ )
+    {
+        wxASSERT_MSG( ufds[i].fd < wxFD_SETSIZE, _T("fd out of range") );

 
 

-    // wake up other threads
-    wxUsleep( 1 );
+        if ( ufds[i].events & G_IO_IN )
+            wxFD_SET(ufds[i].fd, &readfds);

 
 

-    // block other thread again
-    wxMutexGuiEnter();
+        if ( ufds[i].events & G_IO_PRI )
+            wxFD_SET(ufds[i].fd, &exceptfds);

 
 

-    g_mainThreadLocked = FALSE;
+        if ( ufds[i].events & G_IO_OUT )
+            wxFD_SET(ufds[i].fd, &writefds);

 
 

-    wxapp_install_thread_wakeup();
+        if ( ufds[i].fd > fdMax )
+            fdMax = ufds[i].fd;
+    }

 
 

-    // release lock again
-    gdk_threads_leave();
+    fdMax++;
+    int res = select(fdMax, &readfds, &writefds, &exceptfds, &tv_timeout);

 
 

-    return TRUE;
-}
+    // translate the results back
+    for ( i = 0; i < nfds; i++ )
+    {
+        ufds[i].revents = 0;

 
 

-#endif // wxUSE_THREADS
+        if ( wxFD_ISSET(ufds[i].fd, &readfds ) )
+            ufds[i].revents |= G_IO_IN;

 
 

-} // extern "C"
+        if ( wxFD_ISSET(ufds[i].fd, &exceptfds ) )
+            ufds[i].revents |= G_IO_PRI;

 
 

-#if wxUSE_THREADS
+        if ( wxFD_ISSET(ufds[i].fd, &writefds ) )
+            ufds[i].revents |= G_IO_OUT;
+    }
+
+    return res;
+}

 
 

-static int g_threadUninstallLevel = 0;
+#endif // HAVE_POLL/!HAVE_POLL

 
 

-void wxapp_install_thread_wakeup()
+static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout )

 {
 {

-    g_threadUninstallLevel++;
+    gdk_threads_enter();
+
+    wxMutexGuiLeave();
+    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 );

 
 

-    if (g_threadUninstallLevel != 1) return;
+    wxMutexGuiEnter();
+    g_mainThreadLocked = FALSE;

 
 

-    if (wxTheApp->m_wakeUpTimerTag) return;
+    gdk_threads_leave();

 
 

-    wxTheApp->m_wakeUpTimerTag = gtk_timeout_add( 50, wxapp_wakeup_timerout_callback, (gpointer) NULL );
+    return res;

 }
 
 }
 

-void wxapp_uninstall_thread_wakeup()
+#endif // wxUSE_THREADS
+
+} // extern "C"
+
+void wxapp_install_idle_handler()

 {
 {

-    g_threadUninstallLevel--;
+#if wxUSE_THREADS
+    wxMutexLocker lock(gs_idleTagsMutex);
+#endif

 
 

-    if (g_threadUninstallLevel != 0) return;
+    // Don't install the handler if it's already installed. This test *MUST*
+    // be done when gs_idleTagsMutex is locked!
+    if (!g_isIdle)
+        return;

 
 

-    if (!wxTheApp->m_wakeUpTimerTag) 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)") );

 
 

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

 
 

-#endif // wxUSE_THREADS
+    g_isIdle = FALSE;
+
+    if (g_pendingTag == 0)
+        g_pendingTag = g_idle_add_full( 900, wxapp_pending_callback, NULL, 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 = g_idle_add_full( 1000, wxapp_idle_callback, NULL, NULL );
+}

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


@@ -338,39 +414,37 @@ GtkWidget* wxGetRootWindow()
 IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
 
 BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
 IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
 
 BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)

-    EVT_IDLE(wxApp::OnIdle)
+    EVT_IDLE(wxAppBase::OnIdle)

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

-    m_initialized = FALSE;

 #ifdef __WXDEBUG__
     m_isInAssert = FALSE;
 #endif // __WXDEBUG__
 
     m_idleTag = 0;
 #ifdef __WXDEBUG__
     m_isInAssert = FALSE;
 #endif // __WXDEBUG__
 
     m_idleTag = 0;

+    g_isIdle = TRUE;

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

-    m_wakeUpTimerTag = 0;
-    wxapp_install_thread_wakeup();
+    g_main_context_set_poll_func( NULL, wxapp_poll_func );

 #endif
 
     m_colorCube = (unsigned char*) NULL;
 #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;
     // this is NULL for a "regular" wxApp, but is set (and freed) by a wxGLApp
     m_glVisualInfo = (void *) NULL;

+    m_glFBCInfo = (void *) NULL;

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

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

 
 

-    if (m_colorCube) free(m_colorCube);
+    if (m_colorCube)
+        free(m_colorCube);

 }
 
 bool wxApp::OnInitGui()
 }
 
 bool wxApp::OnInitGui()


@@ -384,34 +458,23 @@ 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();
         // 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 *colormap = gdk_colormap_new( vis, FALSE );
         gtk_widget_set_default_colormap( colormap );
 
         visual = vis;
     }
 
         GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
         gtk_widget_set_default_colormap( colormap );
 
         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.
 
     else
     if ((gdk_visual_get_best() != gdk_visual_get_system()) && (m_useBestVisual))
     {
     // On some machines, the default visual is just 256 colours, so
     // we make sure we get the best. This can sometimes be wasteful.
 
     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();
         /* 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 );
 
         GdkColormap *colormap = gdk_colormap_new( vis, FALSE );
         gtk_widget_set_default_colormap( colormap );


@@ -476,455 +539,175 @@ bool wxApp::OnInitGui()
 GdkVisual *wxApp::GetGdkVisual()
 {
     GdkVisual *visual = NULL;
 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 );
     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;
-    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::SendIdleEvents( wxWindow* win )
-{
-    bool needMore = FALSE;
-
-    wxIdleEvent event;
-    event.SetEventObject(win);
-
-    win->GetEventHandler()->ProcessEvent(event);
-
-    win->OnInternalIdle();
-
-    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 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()
-{
-    wxBuffer = new wxChar[BUFSIZ + 512];
-
-    wxClassInfo::InitializeClasses();
-
-#if wxUSE_INTL
-    wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
-#endif
-
-    // 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;
+    wxASSERT( visual );

 
 

-    return TRUE;
+    return visual;

 }
 
 }
 

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

 {
 {

-    wxModule::CleanUpModules();
-
-#if wxUSE_WX_RESOURCES
-    wxCleanUpResourceSystem();
-#endif
-
-    if (wxTheColourDatabase)
-        delete wxTheColourDatabase;
-
-    wxTheColourDatabase = (wxColourDatabase*) NULL;
-
-    wxDeleteStockObjects();
-
-    wxDeleteStockLists();
+    bool init_result;

 
 

-    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
-
-    delete[] wxBuffer;
-
-    wxClassInfo::CleanUpClasses();
-
-    // 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_
 #if wxUSE_WCHAR_T
 
     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;
     // 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)
+#else // !wxUSE_WCHAR_T
+    if (!wxOKlibc())
+        wxConvCurrent = (wxMBConv*) NULL;
+#endif // wxUSE_WCHAR_T/!wxUSE_WCHAR_T
+
+    // decide which conversion to use for the file names
+
+    // (1) this variable exists for the sole purpose of specifying the encoding
+    //     of the filenames for GTK+ programs, so use it if it is set
+    wxString encName(wxGetenv(_T("G_FILENAME_ENCODING")));
+    encName = encName.BeforeFirst(_T(','));
+    if (encName == _T("@locale"))
+        encName.clear();
+    encName.MakeUpper();
+#if wxUSE_INTL
+    if (encName.empty())

     {
     {

-        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;
+        // (2) if a non default locale is set, assume that the user wants his
+        //     filenames in this locale too
+        encName = wxLocale::GetSystemEncodingName().Upper();
+        // (3) finally use UTF-8 by default
+        if (encName.empty() || encName == _T("US-ASCII"))
+            encName = _T("UTF-8");
+        wxSetEnv(_T("G_FILENAME_ENCODING"), encName);

     }
     }

+#else
+    if (encName.empty())
+        encName = _T("UTF-8");
+#endif // wxUSE_INTL
+    static wxConvBrokenFileNames fileconv(encName);
+    wxConvFileName = &fileconv;

 
 

-    wxCHECK_MSG( wxTheApp, -1, wxT("wxWindows error: no application object") );
-
-    wxTheApp->argc = argc;

 #if wxUSE_UNICODE
 #if wxUSE_UNICODE

-    wxTheApp->argv = new wxChar*[argc+1];
-    int mb_argc = 0;
-    while (mb_argc < argc)
+    // gtk_init() wants UTF-8, not wchar_t, so convert
+    int i;
+    char **argvGTK = new char *[argc + 1];
+    for ( i = 0; i < argc; i++ )

     {
     {

-        wxTheApp->argv[mb_argc] = wxStrdup(wxConvLibc.cMB2WX(argv[mb_argc]));
-        mb_argc++;
+        argvGTK[i] = wxStrdupA(wxConvUTF8.cWX2MB(argv[i]));

     }
     }

-    wxTheApp->argv[mb_argc] = (wxChar *)NULL;
-#else
-    wxTheApp->argv = argv;
-#endif

 
 

-    wxString name(wxFileNameFromPath(argv[0]));
-    wxStripExtension( name );
-    wxTheApp->SetAppName( name );
+    argvGTK[argc] = NULL;

 
 

-    int retValue;
-    retValue = wxEntryInitGui();
+    int argcGTK = argc;

 
 

-    // Here frames insert themselves automatically into wxTopLevelWindows by
-    // getting created in OnInit().
-    if ( retValue == 0 )
-    {
-        if ( !wxTheApp->OnInit() )
-            retValue = -1;
-    }
+#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 ( retValue == 0 )
+    if ( argcGTK != argc )

     {
     {

-        /* 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())
+        // we have to drop the parameters which were consumed by GTK+
+        for ( i = 0; i < argcGTK; i++ )

         {
         {

-            wxTheApp->OnRun();
-
-            wxWindow *topWindow = wxTheApp->GetTopWindow();
-            if (topWindow)
+            while ( strcmp(wxConvUTF8.cWX2MB(argv[i]), argvGTK[i]) != 0 )

             {
             {

-                /* 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 );
-                }
+                memmove(argv + i, argv + i + 1, argc - i);

             }
             }

-
-            retValue = wxTheApp->OnExit();

         }
         }

-    }

 
 

-    wxEntryCleanup();
-
-    return retValue;
-}
+        argc = argcGTK;
+    }
+    //else: gtk_init() didn't modify our parameters

 
 

-#ifndef __WXUNIVERSAL__
+    // free our copy
+    for ( i = 0; i < argcGTK; i++ )
+    {
+        free(argvGTK[i]);
+    }

 
 

-// XPM hack: make the arrays const
-#define static static const
+    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

 
 

-#include "wx/gtk/info.xpm"
-#include "wx/gtk/error.xpm"
-#include "wx/gtk/question.xpm"
-#include "wx/gtk/warning.xpm"
+    if (!init_result) {
+        wxLogError(wxT("Unable to initialize gtk, is DISPLAY set properly?"));
+        return false;
+    }

 
 

-#undef static
+    // we can not enter threads before gtk_init is done
+    gdk_threads_enter();

 
 

-wxIcon wxApp::GetStdIcon(int which) const
-{
-    switch(which)
+    if ( !wxAppBase::Initialize(argc, argv) )

     {
     {

-        case wxICON_INFORMATION:
-            return wxIcon(info_xpm);
+        gdk_threads_leave();

 
 

-        case wxICON_QUESTION:
-            return wxIcon(question_xpm);
+        return false;
+    }

 
 

-        case wxICON_EXCLAMATION:
-            return wxIcon(warning_xpm);
+    wxSetDetectableAutoRepeat( TRUE );

 
 

-        default:
-            wxFAIL_MSG(wxT("requested non existent standard icon"));
-            // still fall through
+#if wxUSE_INTL
+    wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
+#endif

 
 

-        case wxICON_HAND:
-            return wxIcon(error_xpm);
-    }
+    return true;

 }
 }

-#else
-wxIcon wxApp::GetStdIcon(int which) const
+
+void wxApp::CleanUp()

 {
 {

-    return wxTheme::Get()->GetRenderer()->GetStdIcon(which);
-}
-#endif // !__WXUNIVERSAL__
+    gdk_threads_leave();

 
 

+    wxAppBase::CleanUp();
+}

 
 #ifdef __WXDEBUG__
 
 
 #ifdef __WXDEBUG__
 

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

 {
     m_isInAssert = TRUE;
 
 {
     m_isInAssert = TRUE;
 

-    wxAppBase::OnAssert(file, line, msg);
+    wxAppBase::OnAssert(file, line, cond, msg);

 
     m_isInAssert = FALSE;
 }
 
 #endif // __WXDEBUG__
 
 
     m_isInAssert = FALSE;
 }
 
 #endif // __WXDEBUG__
 

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