free old resources in DoLoad(), apparently fixes memory leaks with gstreamer 0.10...

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

diff --git a/src/gtk/mdi.cpp b/src/gtk/mdi.cpp
index bed9f15c1a8c50f8d367ee39ce2230e90e715e0a..bcbaad2c53c007d64a9ffd7d81c4105b2986a262 100644 (file)
--- a/src/gtk/mdi.cpp
+++ b/src/gtk/mdi.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        mdi.cpp
+// Name:        src/gtk/mdi.cpp

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


@@ -7,18 +7,25 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

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

 
 #include "wx/mdi.h"
 
 #include "wx/mdi.h"

-#include "wx/dialog.h"
-#include "wx/menu.h"
-#include <wx/intl.h>

 
 

-#include "glib.h"
-#include "gdk/gdk.h"
-#include "gtk/gtk.h"
+#ifndef WX_PRECOMP
+    #include "wx/intl.h"
+    #include "wx/menu.h"
+    #include "wx/dialog.h"
+#endif
+
+#include "wx/notebook.h"
+#include "wx/gtk/private.h"
+
+#include <glib.h>
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>

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


@@ -28,17 +35,65 @@
 const int wxMENU_HEIGHT = 27;
 
 //-----------------------------------------------------------------------------
 const int wxMENU_HEIGHT = 27;
 
 //-----------------------------------------------------------------------------

-// idle system
+// globals

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

-extern void wxapp_install_idle_handler();
-extern bool g_isIdle;
-

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

-// globals
+// "switch_page"

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

-extern wxList wxPendingDelete;
+extern "C" {
+static void
+gtk_mdi_page_change_callback( GtkNotebook *WXUNUSED(widget),
+                              GtkNotebookPage *page,
+                              gint WXUNUSED(page_num),
+                              wxMDIParentFrame *parent )
+{
+    if (g_isIdle)
+        wxapp_install_idle_handler();
+
+    // send deactivate event to old child
+
+    wxMDIChildFrame *child = parent->GetActiveChild();
+    if (child)
+    {
+        wxActivateEvent event1( wxEVT_ACTIVATE, false, child->GetId() );
+        event1.SetEventObject( child);
+        child->GetEventHandler()->ProcessEvent( event1 );
+    }
+
+    // send activate event to new child
+
+    wxMDIClientWindow *client_window = parent->GetClientWindow();
+    if (!client_window)
+        return;
+
+    child = (wxMDIChildFrame*) NULL;
+
+    wxWindowList::compatibility_iterator node = client_window->GetChildren().GetFirst();
+    while ( node )
+    {
+        wxMDIChildFrame *child_frame = wxDynamicCast( node->GetData(), wxMDIChildFrame );
+
+        // child_frame can be NULL when this is called from dtor, probably
+        // because g_signal_connect (m_widget, "switch_page", (see below)
+        // isn't deleted early enough
+        if ( child_frame && child_frame->m_page == page )
+        {
+            child = child_frame;
+            break;
+        }
+        node = node->GetNext();
+    }
+
+    if (!child)
+         return;
+
+    wxActivateEvent event2( wxEVT_ACTIVATE, true, child->GetId() );
+    event2.SetEventObject( child);
+    child->GetEventHandler()->ProcessEvent( event2 );
+}
+}

 
 //-----------------------------------------------------------------------------
 // wxMDIParentFrame
 
 //-----------------------------------------------------------------------------
 // wxMDIParentFrame


@@ -46,44 +101,34 @@ extern wxList wxPendingDelete;
 
 IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame,wxFrame)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame,wxFrame)
 

-BEGIN_EVENT_TABLE(wxMDIParentFrame, wxFrame)
-END_EVENT_TABLE()
-
-wxMDIParentFrame::wxMDIParentFrame()
-{
-    m_justInserted = FALSE;
-    m_clientWindow = (wxMDIClientWindow *) NULL;
-}
-
-wxMDIParentFrame::wxMDIParentFrame( wxWindow *parent,
-      wxWindowID id, const wxString& title,
-      const wxPoint& pos, const wxSize& size,
-      long style, const wxString& name )
+void wxMDIParentFrame::Init()

 {
 {

-    m_justInserted = FALSE;
+    m_justInserted = false;

     m_clientWindow = (wxMDIClientWindow *) NULL;
     m_clientWindow = (wxMDIClientWindow *) NULL;

-    Create( parent, id, title, pos, size, style, name );

 }
 
 wxMDIParentFrame::~wxMDIParentFrame()
 {
 }
 
 }
 
 wxMDIParentFrame::~wxMDIParentFrame()
 {
 }
 

-bool wxMDIParentFrame::Create( wxWindow *parent,
-      wxWindowID id, const wxString& title,
-      const wxPoint& pos, const wxSize& size,
-      long style, const wxString& name )
+bool wxMDIParentFrame::Create(wxWindow *parent,
+                              wxWindowID id,
+                              const wxString& title,
+                              const wxPoint& pos,
+                              const wxSize& size,
+                              long style,
+                              const wxString& name )

 {
     wxFrame::Create( parent, id, title, pos, size, style, name );
 
     OnCreateClient();
 
 {
     wxFrame::Create( parent, id, title, pos, size, style, name );
 
     OnCreateClient();
 

-    return TRUE;
+    return true;

 }
 
 }
 

-void wxMDIParentFrame::GtkOnSize( int x, int y, int width, int height )
+void wxMDIParentFrame::GtkOnSize()

 {
 {

-    wxFrame::GtkOnSize( x, y, width, height );
+    wxFrame::GtkOnSize();

 
     wxMDIChildFrame *child_frame = GetActiveChild();
     if (!child_frame) return;
 
     wxMDIChildFrame *child_frame = GetActiveChild();
     if (!child_frame) return;


@@ -96,8 +141,8 @@ void wxMDIParentFrame::GtkOnSize( int x, int y, int width, int height )
     menu_bar->m_y = 0;
     menu_bar->m_width = m_width;
     menu_bar->m_height = wxMENU_HEIGHT;
     menu_bar->m_y = 0;
     menu_bar->m_width = m_width;
     menu_bar->m_height = wxMENU_HEIGHT;

-    gtk_myfixed_set_size( GTK_MYFIXED(m_mainWidget), 
-                          menu_bar->m_widget, 
+    gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
+                          menu_bar->m_widget,

                           0, 0, m_width, wxMENU_HEIGHT );
 }
 
                           0, 0, m_width, wxMENU_HEIGHT );
 }
 


@@ -111,41 +156,89 @@ void wxMDIParentFrame::OnInternalIdle()
     if (m_justInserted)
     {
         GtkNotebook *notebook = GTK_NOTEBOOK(m_clientWindow->m_widget);
     if (m_justInserted)
     {
         GtkNotebook *notebook = GTK_NOTEBOOK(m_clientWindow->m_widget);

-        gtk_notebook_set_page( notebook, g_list_length( notebook->children ) - 1 );
+        gtk_notebook_set_current_page( notebook, g_list_length( notebook->children ) - 1 );

 
 

-        m_justInserted = FALSE;
+        /* need to set the menubar of the child */
+        wxMDIChildFrame *active_child_frame = GetActiveChild();
+        if (active_child_frame != NULL)
+        {
+            wxMenuBar *menu_bar = active_child_frame->m_menuBar;
+            if (menu_bar)
+            {
+                menu_bar->m_width = m_width;
+                menu_bar->m_height = wxMENU_HEIGHT;
+                gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
+                                    menu_bar->m_widget,
+                                    0, 0, m_width, wxMENU_HEIGHT );
+                menu_bar->SetInvokingWindow(active_child_frame);
+            }
+        }
+        m_justInserted = false;

         return;
     }
 
     wxFrame::OnInternalIdle();
 
     wxMDIChildFrame *active_child_frame = GetActiveChild();
         return;
     }
 
     wxFrame::OnInternalIdle();
 
     wxMDIChildFrame *active_child_frame = GetActiveChild();

-    bool visible_child_menu = FALSE;
+    bool visible_child_menu = false;

 
 

-    wxNode *node = m_clientWindow->GetChildren().First();
+    wxWindowList::compatibility_iterator node = m_clientWindow->GetChildren().GetFirst();

     while (node)
     {
     while (node)
     {

-        wxMDIChildFrame *child_frame = (wxMDIChildFrame *)node->Data();
-        if (child_frame->m_menuBar)
+        wxMDIChildFrame *child_frame = wxDynamicCast( node->GetData(), wxMDIChildFrame );
+
+        if ( child_frame )

         {
         {

-            if (child_frame == active_child_frame)
+            wxMenuBar *menu_bar = child_frame->m_menuBar;
+            if ( menu_bar )

             {
             {

-               gtk_widget_show( child_frame->m_menuBar->m_widget );
-               visible_child_menu = TRUE;
+                if (child_frame == active_child_frame)
+                {
+                    if (menu_bar->Show(true))
+                    {
+                        menu_bar->m_width = m_width;
+                        menu_bar->m_height = wxMENU_HEIGHT;
+                        gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
+                                            menu_bar->m_widget,
+                                            0, 0, m_width, wxMENU_HEIGHT );
+                        menu_bar->SetInvokingWindow( child_frame );
+                    }
+                    visible_child_menu = true;
+                }
+                else
+                {
+                    if (menu_bar->Show(false))
+                    {
+                        menu_bar->UnsetInvokingWindow( child_frame );
+                    }
+                }

             }
             }

-            else
-               gtk_widget_hide( child_frame->m_menuBar->m_widget );

         }
         }

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

     }
 
     /* show/hide parent menu bar as required */
     }
 
     /* show/hide parent menu bar as required */

-    if (m_frameMenuBar) m_frameMenuBar->Show( !visible_child_menu );
-}
-
-void wxMDIParentFrame::GetClientSize(int *width, int *height ) const
-{
-    wxFrame::GetClientSize( width, height );
+    if ((m_frameMenuBar) &&
+        (m_frameMenuBar->IsShown() == visible_child_menu))
+    {
+        if (visible_child_menu)
+        {
+            m_frameMenuBar->Show( false );
+            m_frameMenuBar->UnsetInvokingWindow( this );
+        }
+        else
+        {
+            m_frameMenuBar->Show( true );
+            m_frameMenuBar->SetInvokingWindow( this );
+
+            m_frameMenuBar->m_width = m_width;
+            m_frameMenuBar->m_height = wxMENU_HEIGHT;
+            gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
+                                m_frameMenuBar->m_widget,
+                                0, 0, m_width, wxMENU_HEIGHT );
+        }
+    }

 }
 
 wxMDIChildFrame *wxMDIParentFrame::GetActiveChild() const
 }
 
 wxMDIChildFrame *wxMDIParentFrame::GetActiveChild() const


@@ -155,23 +248,27 @@ wxMDIChildFrame *wxMDIParentFrame::GetActiveChild() const
     GtkNotebook *notebook = GTK_NOTEBOOK(m_clientWindow->m_widget);
     if (!notebook) return (wxMDIChildFrame*) NULL;
 
     GtkNotebook *notebook = GTK_NOTEBOOK(m_clientWindow->m_widget);
     if (!notebook) return (wxMDIChildFrame*) NULL;
 

-#if (GTK_MINOR_VERSION > 0)

     gint i = gtk_notebook_get_current_page( notebook );
     gint i = gtk_notebook_get_current_page( notebook );

-#else
-    gint i = gtk_notebook_current_page( notebook );
-#endif

     if (i < 0) return (wxMDIChildFrame*) NULL;
     if (i < 0) return (wxMDIChildFrame*) NULL;

-
+    

     GtkNotebookPage* page = (GtkNotebookPage*) (g_list_nth(notebook->children,i)->data);
     if (!page) return (wxMDIChildFrame*) NULL;
 
     GtkNotebookPage* page = (GtkNotebookPage*) (g_list_nth(notebook->children,i)->data);
     if (!page) return (wxMDIChildFrame*) NULL;
 

-    wxNode *node = m_clientWindow->GetChildren().First();
+    wxWindowList::compatibility_iterator node = m_clientWindow->GetChildren().GetFirst();

     while (node)
     {
     while (node)
     {

-        wxMDIChildFrame *child_frame = (wxMDIChildFrame *)node->Data();
+        if ( wxPendingDelete.Member(node->GetData()) )
+            return (wxMDIChildFrame*) NULL;
+        
+        wxMDIChildFrame *child_frame = wxDynamicCast( node->GetData(), wxMDIChildFrame );
+
+        if (!child_frame)
+            return (wxMDIChildFrame*) NULL;
+

         if (child_frame->m_page == page)
             return child_frame;
         if (child_frame->m_page == page)
             return child_frame;

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

     }
 
     return (wxMDIChildFrame*) NULL;
     }
 
     return (wxMDIChildFrame*) NULL;


@@ -200,14 +297,6 @@ void wxMDIParentFrame::ActivatePrevious()
       gtk_notebook_prev_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
 }
 
       gtk_notebook_prev_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
 }
 

-void wxMDIParentFrame::OnActivate( wxActivateEvent& WXUNUSED(event) )
-{
-}
-
-void wxMDIParentFrame::OnSysColourChanged( wxSysColourChangedEvent& WXUNUSED(event) )
-{
-}
-

 //-----------------------------------------------------------------------------
 // wxMDIChildFrame
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // wxMDIChildFrame
 //-----------------------------------------------------------------------------


@@ -216,6 +305,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame,wxFrame)
 
 BEGIN_EVENT_TABLE(wxMDIChildFrame, wxFrame)
     EVT_ACTIVATE(wxMDIChildFrame::OnActivate)
 
 BEGIN_EVENT_TABLE(wxMDIChildFrame, wxFrame)
     EVT_ACTIVATE(wxMDIChildFrame::OnActivate)

+    EVT_MENU_HIGHLIGHT_ALL(wxMDIChildFrame::OnMenuHighlight)

 END_EVENT_TABLE()
 
 wxMDIChildFrame::wxMDIChildFrame()
 END_EVENT_TABLE()
 
 wxMDIChildFrame::wxMDIChildFrame()


@@ -250,56 +340,54 @@ bool wxMDIChildFrame::Create( wxMDIParentFrame *parent,
     return wxWindow::Create( parent->GetClientWindow(), id, wxDefaultPosition, size, style, name );
 }
 
     return wxWindow::Create( parent->GetClientWindow(), id, wxDefaultPosition, size, style, name );
 }
 

-void wxMDIChildFrame::GetClientSize( int *width, int *height ) const
+bool wxMDIChildFrame::Destroy()

 {
 {

-    wxWindow::GetClientSize( width, height );
+    // delayed destruction: the frame will be deleted during
+    // the next idle loop iteration.
+    // I'm not sure if delayed destruction really makes so
+    // much sense for MDI child frames, actually, but hiding
+    // it doesn't make any sense.
+    if ( !wxPendingDelete.Member(this) )
+        wxPendingDelete.Append(this);
+
+    return true;

 }
 
 }
 

-void wxMDIChildFrame::AddChild( wxWindow *child )
+void wxMDIChildFrame::DoSetSize( int x, int y, int width, int height, int sizeFlags )

 {
 {

-    wxWindow::AddChild( child );
+    wxWindow::DoSetSize( x, y, width, height, sizeFlags );

 }
 
 }
 

-static void SetInvokingWindow( wxMenu *menu, wxWindow *win )
+void wxMDIChildFrame::DoSetClientSize(int width, int height)

 {
 {

-    menu->SetInvokingWindow( win );
-    wxNode *node = menu->GetItems().First();
-    while (node)
-    {
-        wxMenuItem *menuitem = (wxMenuItem*)node->Data();
-        if (menuitem->IsSubMenu())
-            SetInvokingWindow( menuitem->GetSubMenu(), win );
-        node = node->Next();
-    }
+    wxWindow::DoSetClientSize( width, height );
+}
+
+void wxMDIChildFrame::DoGetClientSize( int *width, int *height ) const
+{
+    wxWindow::DoGetClientSize( width, height );
+}
+
+void wxMDIChildFrame::AddChild( wxWindowBase *child )
+{
+    wxWindow::AddChild(child);

 }
 
 void wxMDIChildFrame::SetMenuBar( wxMenuBar *menu_bar )
 {
 }
 
 void wxMDIChildFrame::SetMenuBar( wxMenuBar *menu_bar )
 {

+    wxASSERT_MSG( m_menuBar == NULL, wxT("Only one menubar allowed") );
+

     m_menuBar = menu_bar;
 
     if (m_menuBar)
     {
         wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)m_parent->GetParent();
 
     m_menuBar = menu_bar;
 
     if (m_menuBar)
     {
         wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)m_parent->GetParent();
 

-       if (m_menuBar->GetParent() != this)
-       {
-            wxNode *node = m_menuBar->GetMenus().First();
-            while (node)
-            {
-                wxMenu *menu = (wxMenu*)node->Data();
-                SetInvokingWindow( menu, this );
-                node = node->Next();
-            }
-
-            m_menuBar->SetParent( mdi_frame );
-        }
-
-        /* the menu bar of the child window is shown in idle time as needed */
-        gtk_widget_hide( m_menuBar->m_widget );
+        m_menuBar->SetParent( mdi_frame );

 
         /* insert the invisible menu bar into the _parent_ mdi frame */
 
         /* insert the invisible menu bar into the _parent_ mdi frame */

-        gtk_myfixed_put( GTK_MYFIXED(mdi_frame->m_mainWidget), 
-                         m_menuBar->m_widget, 
+        gtk_pizza_put( GTK_PIZZA(mdi_frame->m_mainWidget),
+                         m_menuBar->m_widget,

                          0, 0,  mdi_frame->m_width, wxMENU_HEIGHT );
     }
 }
                          0, 0,  mdi_frame->m_width, wxMENU_HEIGHT );
     }
 }


@@ -311,27 +399,46 @@ wxMenuBar *wxMDIChildFrame::GetMenuBar() const
 
 void wxMDIChildFrame::Activate()
 {
 
 void wxMDIChildFrame::Activate()
 {

-#if( GTK_MINOR_VERSION>0 )
-    wxMDIParentFrame* parent = (wxMDIParentFrame*)GetParent();
+    wxMDIParentFrame* parent = (wxMDIParentFrame*) GetParent();

     GtkNotebook* notebook = GTK_NOTEBOOK(parent->m_widget);
     GtkNotebook* notebook = GTK_NOTEBOOK(parent->m_widget);

-    gint pageno = gtk_notebook_page_num(notebook,m_page->child);
-    gtk_notebook_set_page(notebook,pageno);
-#else
-    // the only way I can see to do this under gtk+ 1.0.X would
-    // be to keep track of page numbers, start at first and 
-    // do "next" enough times to get to this page number - messy
-    // - J. Russell Smyth
-#endif
+    gint pageno = gtk_notebook_page_num( notebook, m_widget );
+    gtk_notebook_set_current_page( notebook, pageno );
+}
+
+void wxMDIChildFrame::OnActivate( wxActivateEvent& WXUNUSED(event) )
+{
+}
+
+void wxMDIChildFrame::OnMenuHighlight( wxMenuEvent& event )
+{
+#if wxUSE_STATUSBAR
+    wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)m_parent->GetParent();
+    if ( !ShowMenuHelp(mdi_frame->GetStatusBar(), event.GetMenuId()) )
+    {
+        // we don't have any help text for this item, but may be the MDI frame
+        // does?
+        mdi_frame->OnMenuHighlight(event);
+    }
+#endif // wxUSE_STATUSBAR

 }
 
 }
 

-void wxMDIChildFrame::OnActivate( wxActivateEvent &WXUNUSED(event) )
+void wxMDIChildFrame::SetTitle( const wxString &title )

 {
 {

+    if ( title == m_title )
+        return;
+
+    m_title = title;
+
+    wxMDIParentFrame* parent = (wxMDIParentFrame*) GetParent();
+    GtkNotebook* notebook = GTK_NOTEBOOK(parent->m_widget);
+    gtk_notebook_set_tab_label_text(notebook, m_widget, wxGTK_CONV( title ) );

 }
 
 //-----------------------------------------------------------------------------
 // "size_allocate"
 //-----------------------------------------------------------------------------
 
 }
 
 //-----------------------------------------------------------------------------
 // "size_allocate"
 //-----------------------------------------------------------------------------
 

+extern "C" {

 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
 {
     if (g_isIdle) wxapp_install_idle_handler();
 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
 {
     if (g_isIdle) wxapp_install_idle_handler();


@@ -347,6 +454,7 @@ static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation*
 
     win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
 }
 
     win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
 }

+}

 
 //-----------------------------------------------------------------------------
 // InsertChild callback for wxMDIClientWindow
 
 //-----------------------------------------------------------------------------
 // InsertChild callback for wxMDIClientWindow


@@ -354,14 +462,14 @@ static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation*
 
 static void wxInsertChildInMDI( wxMDIClientWindow* parent, wxMDIChildFrame* child )
 {
 
 static void wxInsertChildInMDI( wxMDIClientWindow* parent, wxMDIChildFrame* child )
 {

-    wxString s = child->m_title;
+    wxString s = child->GetTitle();

     if (s.IsNull()) s = _("MDI child");
 
     GtkWidget *label_widget = gtk_label_new( s.mbc_str() );
     gtk_misc_set_alignment( GTK_MISC(label_widget), 0.0, 0.5 );
 
     if (s.IsNull()) s = _("MDI child");
 
     GtkWidget *label_widget = gtk_label_new( s.mbc_str() );
     gtk_misc_set_alignment( GTK_MISC(label_widget), 0.0, 0.5 );
 

-    gtk_signal_connect( GTK_OBJECT(child->m_widget), "size_allocate",
-      GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)child );
+    g_signal_connect (child->m_widget, "size_allocate",
+                      G_CALLBACK (gtk_page_size_callback), child);

 
     GtkNotebook *notebook = GTK_NOTEBOOK(parent->m_widget);
 
 
     GtkNotebook *notebook = GTK_NOTEBOOK(parent->m_widget);
 


@@ -370,7 +478,7 @@ static void wxInsertChildInMDI( wxMDIClientWindow* parent, wxMDIChildFrame* chil
     child->m_page = (GtkNotebookPage*) (g_list_last(notebook->children)->data);
 
     wxMDIParentFrame *parent_frame = (wxMDIParentFrame*) parent->GetParent();
     child->m_page = (GtkNotebookPage*) (g_list_last(notebook->children)->data);
 
     wxMDIParentFrame *parent_frame = (wxMDIParentFrame*) parent->GetParent();

-    parent_frame->m_justInserted = TRUE;
+    parent_frame->m_justInserted = true;

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


@@ -390,26 +498,36 @@ wxMDIClientWindow::wxMDIClientWindow( wxMDIParentFrame *parent, long style )
 
 wxMDIClientWindow::~wxMDIClientWindow()
 {
 
 wxMDIClientWindow::~wxMDIClientWindow()
 {

+

 }
 
 bool wxMDIClientWindow::CreateClient( wxMDIParentFrame *parent, long style )
 {
 }
 
 bool wxMDIClientWindow::CreateClient( wxMDIParentFrame *parent, long style )
 {

-    m_needParent = TRUE;
+    m_needParent = true;

 
     m_insertCallback = (wxInsertChildFunction)wxInsertChildInMDI;
 
 
     m_insertCallback = (wxInsertChildFunction)wxInsertChildInMDI;
 

-    PreCreation( parent, -1, wxPoint(10,10), wxSize(100,100), style, "wxMDIClientWindow" );
+    if (!PreCreation( parent, wxDefaultPosition, wxDefaultSize ) ||
+        !CreateBase( parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("wxMDIClientWindow") ))
+    {
+        wxFAIL_MSG( wxT("wxMDIClientWindow creation failed") );
+        return false;
+    }

 
     m_widget = gtk_notebook_new();
 
 
     m_widget = gtk_notebook_new();
 

+    g_signal_connect (m_widget, "switch_page",
+                      G_CALLBACK (gtk_mdi_page_change_callback), parent);
+

     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 
     m_parent->DoAddChild( this );
 
     PostCreation();
 
     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 
     m_parent->DoAddChild( this );
 
     PostCreation();
 

-    Show( TRUE );
+    Show( true );

 
 

-    return TRUE;
+    return true;

 }
 
 }
 

+#endif