Applied kill patch (proper return value testing).

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

diff --git a/src/gtk1/notebook.cpp b/src/gtk1/notebook.cpp
index b74e19d4de7336354bb9e5b4b7ee054f39863616..75a64b0233c0da3a925461760caf5dd7904d9f01 100644 (file)
--- a/src/gtk1/notebook.cpp
+++ b/src/gtk1/notebook.cpp
@@ -7,68 +7,84 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

 #pragma implementation "notebook.h"
 #endif
 
 #pragma implementation "notebook.h"
 #endif
 

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

 #include "wx/notebook.h"
 #include "wx/notebook.h"

+
+#if wxUSE_NOTEBOOK
+

 #include "wx/panel.h"
 #include "wx/utils.h"
 #include "wx/imaglist.h"
 #include "wx/intl.h"
 #include "wx/log.h"
 #include "wx/panel.h"
 #include "wx/utils.h"
 #include "wx/imaglist.h"
 #include "wx/intl.h"
 #include "wx/log.h"

-#include "gdk/gdkkeysyms.h"
+#include "wx/bitmap.h"
+#include "wx/fontutil.h"
+
+#include "wx/gtk/private.h"
+#include "wx/gtk/win_gtk.h"
+
+#include <gdk/gdkkeysyms.h>
+
+#include "wx/msgdlg.h"
+
+// ----------------------------------------------------------------------------
+// events
+// ----------------------------------------------------------------------------
+
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
+
+//-----------------------------------------------------------------------------
+// idle system
+//-----------------------------------------------------------------------------
+
+extern void wxapp_install_idle_handler();
+extern bool g_isIdle;

 
 //-----------------------------------------------------------------------------
 // data
 //-----------------------------------------------------------------------------
 
 
 //-----------------------------------------------------------------------------
 // data
 //-----------------------------------------------------------------------------
 

-extern bool   g_blockEventsOnDrag;
+extern bool g_blockEventsOnDrag;

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

-// wxNotebookPage
+// wxGtkNotebookPage

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

-class wxNotebookPage: public wxObject
+// VZ: this is rather ugly as we keep the pages themselves in an array (it
+//     allows us to have quite a few functions implemented in the base class)
+//     but the page data is kept in a separate list, so we must maintain them
+//     in sync manually... of course, the list had been there before the base
+//     class which explains it but it still would be nice to do something
+//     about this one day
+
+class wxGtkNotebookPage: public wxObject

 {
 public:
 {
 public:

-  wxNotebookPage()
-  {
-    m_id = -1;
-    m_text = "";
-    m_image = -1;
-    m_page = (GtkNotebookPage *) NULL;
-    m_client = (wxWindow *) NULL;
-    m_parent = (GtkNotebook *) NULL;
-    m_box = (GtkWidget *) NULL;
-    m_added = FALSE;
-  }
-
-  // mark page as "added' to the notebook, return FALSE if the page was
-  // already added
-  bool Add()
-  {
-    if ( WasAdded() )
-      return FALSE;
-
-    m_added = TRUE;
-    return TRUE;
-  }
+    wxGtkNotebookPage()
+    {
+        m_image = -1;
+        m_page = (GtkNotebookPage *) NULL;
+        m_box = (GtkWidget *) NULL;
+    }
+    
+    wxString           m_text;
+    int                m_image;
+    GtkNotebookPage   *m_page;
+    GtkLabel          *m_label;
+    GtkWidget         *m_box;     // in which the label and image are packed
+};

 
 

-  bool WasAdded() const { return m_added; }

 
 

-  int                m_id;
-  wxString           m_text;
-  int                m_image;
-  GtkNotebookPage   *m_page;
-  GtkLabel          *m_label;
-  wxWindow          *m_client;
-  GtkNotebook       *m_parent;
-  GtkWidget         *m_box;     // in which the label and image are packed
+#include "wx/listimpl.cpp"
+WX_DEFINE_LIST(wxGtkNotebookPagesList);

 
 

-private:
-  bool m_added;
-};

 
 //-----------------------------------------------------------------------------
 // "switch_page"
 
 //-----------------------------------------------------------------------------
 // "switch_page"


@@ -76,19 +92,45 @@ private:
 
 static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
                                               GtkNotebookPage *WXUNUSED(page),
 
 static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
                                               GtkNotebookPage *WXUNUSED(page),

-                                              gint nPage,
-                                              gpointer data)
+                                              gint page,
+                                              wxNotebook *notebook )

 {
 {

-    wxNotebook *notebook = (wxNotebook *)data;
+    // are you trying to call SetSelection() from a notebook event handler?
+    // you shouldn't!
+    wxCHECK_RET( !notebook->m_inSwitchPage,
+                 _T("gtk_notebook_page_change_callback reentered") );
+
+    notebook->m_inSwitchPage = TRUE;
+    if (g_isIdle)
+        wxapp_install_idle_handler();

 
     int old = notebook->GetSelection();
 
 
     int old = notebook->GetSelection();
 

-    // TODO: emulate PAGE_CHANGING event
+    wxNotebookEvent eventChanging( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING,
+                                   notebook->GetId(), page, old );
+    eventChanging.SetEventObject( notebook );

 
 

-    wxNotebookEvent event( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED,
-                           notebook->GetId(),  nPage, old );
-    event.SetEventObject( notebook );
-    notebook->GetEventHandler()->ProcessEvent( event );
+    if ( (notebook->GetEventHandler()->ProcessEvent(eventChanging)) &&
+         !eventChanging.IsAllowed() )
+    {
+        /* program doesn't allow the page change */
+        gtk_signal_emit_stop_by_name( GTK_OBJECT(notebook->m_widget),
+                                      "switch_page" );
+    }
+    else // change allowed
+    {
+        // make wxNotebook::GetSelection() return the correct (i.e. consistent
+        // with wxNotebookEvent::GetSelection()) value even though the page is
+        // not really changed in GTK+
+        notebook->m_selection = page;
+
+        wxNotebookEvent eventChanged( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED,
+                                      notebook->GetId(), page, old );
+        eventChanged.SetEventObject( notebook );
+        notebook->GetEventHandler()->ProcessEvent( eventChanged );
+    }
+
+    notebook->m_inSwitchPage = FALSE;

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


@@ -97,6 +139,9 @@ static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
 
 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
 {
 
 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
 {

+    if (g_isIdle)
+        wxapp_install_idle_handler();
+

     if ((win->m_x == alloc->x) &&
         (win->m_y == alloc->y) &&
         (win->m_width == alloc->width) &&
     if ((win->m_x == alloc->x) &&
         (win->m_y == alloc->y) &&
         (win->m_width == alloc->width) &&


@@ -106,69 +151,125 @@ 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 );

-  
-    if (win->GetAutoLayout()) win->Layout();
+
+    /* GTK 1.2 up to version 1.2.5 is broken so that we have to call allocate
+       here in order to make repositioning after resizing to take effect. */
+    if ((gtk_major_version == 1) &&
+        (gtk_minor_version == 2) &&
+        (gtk_micro_version < 6) &&
+        (win->m_wxwindow) &&
+        (GTK_WIDGET_REALIZED(win->m_wxwindow)))
+    {
+        gtk_widget_size_allocate( win->m_wxwindow, alloc );
+    }

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

-// "key_press_event"
+// "realize" from m_widget

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

-static gint 
-gtk_notebook_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxNotebook *notebook )
+static gint
+gtk_notebook_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win )

 {
 {

-    if (g_blockEventsOnDrag) return FALSE;
+    if (g_isIdle)
+        wxapp_install_idle_handler();

 
 

-    if (!notebook->HasVMT()) return FALSE;
+    /* GTK 1.2 up to version 1.2.5 is broken so that we have to call a queue_resize
+       here in order to make repositioning before showing to take effect. */
+    gtk_widget_queue_resize( win->m_widget );

 
 

-    if (gdk_event->keyval != GDK_Down) return FALSE;
-    
-    if (notebook != notebook->FindFocus()) return FALSE;
-    
-    if (notebook->m_pages.GetCount() == 0) return FALSE;
-    
-    wxNode *node = notebook->m_pages.Nth( notebook->GetSelection() );
-    
-    if (!node) return FALSE;
-    
-    wxNotebookPage *page = (wxNotebookPage*) node->Data();
-    
-    // don't let others the key event
-    gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
-    
-    page->m_client->SetFocus();
-    
-    return TRUE;
+    return FALSE;

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

-// InsertChild callback for wxNotebook
+// "key_press_event"

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

-static void wxInsertChildInNotebook( wxNotebook* parent, wxWindow* child )
+static gint gtk_notebook_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxNotebook *notebook )

 {
 {

-    wxNotebookPage *page = new wxNotebookPage();
-
-    page->m_id = parent->GetPageCount();
-
-    page->m_box = gtk_hbox_new (FALSE, 0);
-    gtk_container_border_width(GTK_CONTAINER(page->m_box), 2);
+    if (g_isIdle)
+        wxapp_install_idle_handler();

 
 

-    GtkNotebook *notebook = GTK_NOTEBOOK(parent->m_widget);
+    if (!notebook->m_hasVMT) return FALSE;
+    if (g_blockEventsOnDrag) return FALSE;
+    
+    /* win is a control: tab can be propagated up */
+    if ((gdk_event->keyval == GDK_Left) || (gdk_event->keyval == GDK_Right))
+    {
+        int page;
+        int nMax = notebook->GetPageCount();
+        if ( nMax-- ) // decrement it to get the last valid index
+        {
+            int nSel = notebook->GetSelection();

 
 

-    page->m_client = child;
-    gtk_notebook_append_page( notebook, child->m_widget, page->m_box );
+            // change selection wrapping if it becomes invalid
+            page = (gdk_event->keyval != GDK_Left) ? nSel == nMax ? 0
+                                       : nSel + 1
+                        : nSel == 0 ? nMax
+                                    : nSel - 1;
+        }
+        else // notebook is empty, no next page
+        {
+            return FALSE;
+        }
+    
+        // m_selection = page;
+        gtk_notebook_set_page( GTK_NOTEBOOK(widget), page );
+        
+        gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
+        return TRUE;
+    }

 
 

-    page->m_page = (GtkNotebookPage*) (g_list_last(notebook->children)->data);
+    /* win is a control: tab can be propagated up */
+    if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
+    {
+        int sel = notebook->GetSelection();
+        if (sel == -1)
+            return TRUE;
+        wxGtkNotebookPage *nb_page = notebook->GetNotebookPage(sel);
+        wxCHECK_MSG( nb_page, FALSE, _T("invalid selection in wxNotebook") );
+
+        wxNavigationKeyEvent event;
+        event.SetEventObject( notebook );
+        /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
+        event.SetDirection( (gdk_event->keyval == GDK_Tab) );
+        /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
+        event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) || 
+                               (gdk_event->keyval == GDK_Left) || (gdk_event->keyval == GDK_Right) );
+        event.SetCurrentFocus( notebook );
+
+        wxNotebookPage *client = notebook->GetPage(sel);
+        if ( !client->GetEventHandler()->ProcessEvent( event ) )
+        {
+             client->SetFocus();
+        }

 
 

-    page->m_parent = notebook;
+        gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
+        return TRUE;
+    }

 
 

-    gtk_signal_connect( GTK_OBJECT(child->m_widget), "size_allocate",
-      GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)child );
+    return FALSE;
+}

 
 

-    wxASSERT_MSG( page->m_page, "Notebook page creation error" );
+//-----------------------------------------------------------------------------
+// InsertChild callback for wxNotebook
+//-----------------------------------------------------------------------------

 
 

-    parent->m_pages.Append( page );
+static void wxInsertChildInNotebook( wxNotebook* parent, wxWindow* child )
+{
+    // Hack Alert! (Part I): This sets the notebook as the parent of the child
+    // widget, and takes care of some details such as updating the state and
+    // style of the child to reflect its new location.  We do this early
+    // because without it GetBestSize (which is used to set the initial size
+    // of controls if an explicit size is not given) will often report
+    // incorrect sizes since the widget's style context is not fully known.
+    // See bug #901694 for details
+    // (http://sourceforge.net/tracker/?func=detail&aid=901694&group_id=9863&atid=109863)
+    gtk_widget_set_parent(child->m_widget, parent->m_widget);
+
+    // NOTE: This should be considered a temporary workaround until we can
+    // work out the details and implement delaying the setting of the initial
+    // size of widgets until the size is really needed.

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


@@ -177,11 +278,18 @@ static void wxInsertChildInNotebook( wxNotebook* parent, wxWindow* child )
 
 IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)
 

+BEGIN_EVENT_TABLE(wxNotebook, wxControl)
+    EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
+END_EVENT_TABLE()
+

 void wxNotebook::Init()
 {
 void wxNotebook::Init()
 {

+    m_padding = 0;
+    m_inSwitchPage = FALSE;
+

     m_imageList = (wxImageList *) NULL;
     m_imageList = (wxImageList *) NULL;

-    m_pages.DeleteContents( TRUE );
-    m_idHandler = 0;
+    m_selection = -1;
+    m_themeEnabled = TRUE;

 }
 
 wxNotebook::wxNotebook()
 }
 
 wxNotebook::wxNotebook()


@@ -199,357 +307,508 @@ wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id,
 
 wxNotebook::~wxNotebook()
 {
 
 wxNotebook::~wxNotebook()
 {

-    // don't generate change page events any more
-    if (m_idHandler != 0)
-      gtk_signal_disconnect(GTK_OBJECT(m_widget), m_idHandler);
-

     DeleteAllPages();
 }
 
 bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
     DeleteAllPages();
 }
 
 bool wxNotebook::Create(wxWindow *parent, wxWindowID id,

-      const wxPoint& pos, const wxSize& size,
-      long style, const wxString& name )
+                        const wxPoint& pos, const wxSize& size,
+                        long style, const wxString& name )

 {
     m_needParent = TRUE;
     m_acceptsFocus = TRUE;
     m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook;
 
 {
     m_needParent = TRUE;
     m_acceptsFocus = TRUE;
     m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook;
 

-    PreCreation( parent, id, pos, size, style, name );
+    if (!PreCreation( parent, pos, size ) ||
+        !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
+    {
+        wxFAIL_MSG( wxT("wxNoteBook creation failed") );
+        return FALSE;
+    }

 
 

-    m_widget = gtk_notebook_new();

 
 

-#ifdef __WXDEBUG__
-    debug_focus_in( m_widget, "wxNotebook::m_widget", name );
-#endif
+    m_widget = gtk_notebook_new();

 
     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 
 
     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 

-    m_idHandler = gtk_signal_connect (
-                  GTK_OBJECT(m_widget), "switch_page",
-                  GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback),
-                  (gpointer)this );
+    gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
+      GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );

 
 

-    m_parent->AddChild( this );
+    m_parent->DoAddChild( this );

 
 

-    (m_parent->m_insertCallback)( m_parent, this );
+    if (m_windowStyle & wxNB_RIGHT)
+        gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
+    if (m_windowStyle & wxNB_LEFT)
+        gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
+    if (m_windowStyle & wxNB_BOTTOM)
+        gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );

 
     gtk_signal_connect( GTK_OBJECT(m_widget), "key_press_event",
       GTK_SIGNAL_FUNC(gtk_notebook_key_press_callback), (gpointer)this );
 
 
     gtk_signal_connect( GTK_OBJECT(m_widget), "key_press_event",
       GTK_SIGNAL_FUNC(gtk_notebook_key_press_callback), (gpointer)this );
 

-    PostCreation();
+    PostCreation(size);

 
 

-    Show( TRUE );
+    gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
+                            GTK_SIGNAL_FUNC(gtk_notebook_realized_callback), (gpointer) this );

 
     return TRUE;
 }
 
 int wxNotebook::GetSelection() const
 {
 
     return TRUE;
 }
 
 int wxNotebook::GetSelection() const
 {

-    wxCHECK_MSG( m_widget != NULL, -1, "invalid notebook" );
-
-    if (m_pages.Number() == 0) return -1;
-
-    GtkNotebookPage *g_page = GTK_NOTEBOOK(m_widget)->cur_page;
-    if (!g_page) return -1;
-
-    wxNotebookPage *page = (wxNotebookPage *) NULL;
+    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );

 
 

-    wxNode *node = m_pages.First();
-    while (node)
+    if ( m_selection == -1 )

     {
     {

-        page = (wxNotebookPage*)node->Data();
+        GList *nb_pages = GTK_NOTEBOOK(m_widget)->children;

 
 

-        if ((page->m_page == g_page) || (page->m_page == (GtkNotebookPage*)NULL))
+        if (g_list_length(nb_pages) != 0)

         {
         {

-            // page->m_page is NULL directly after gtk_notebook_append. gtk emits
-            // "switch_page" then and we ask for GetSelection() in the handler for
-            // "switch_page". otherwise m_page should never be NULL. all this
-            // might also be wrong.
-            break;
+            GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
+
+            gpointer cur = notebook->cur_page;
+            if ( cur != NULL )
+            {
+                wxConstCast(this, wxNotebook)->m_selection =
+                    g_list_index( nb_pages, cur );
+            }

         }
         }

-        node = node->Next();

     }
 
     }
 

-    wxCHECK_MSG( node != NULL, -1, "wxNotebook: no selection?" );
-
-    return page->m_id;
+    return m_selection;

 }
 
 }
 

-int wxNotebook::GetPageCount() const
+wxString wxNotebook::GetPageText( size_t page ) const

 {
 {

-    // count only the pages which were already added to the notebook for MSW
-    // compatibility (and, in fact, this behaviour makes more sense anyhow
-    // because only the added pages are shown)
-    
-    int n = 0;
-    for ( wxNode *node = m_pages.First(); node; node = node->Next() )
-    {
-        wxNotebookPage *page = (wxNotebookPage*)node->Data();
-       
-        if (page->WasAdded()) n++;
-    }
-
-    return n;
-}
+    wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid notebook") );

 
 

-int wxNotebook::GetRowCount() const
-{
-    return 1;
-}
-
-wxString wxNotebook::GetPageText( int page ) const
-{
-    wxCHECK_MSG( m_widget != NULL, "", "invalid notebook" );
-
-    wxNotebookPage* nb_page = GetNotebookPage(page);
+    wxGtkNotebookPage* nb_page = GetNotebookPage(page);

     if (nb_page)
         return nb_page->m_text;
     else
     if (nb_page)
         return nb_page->m_text;
     else

-        return "";
+        return wxT("");

 }
 
 }
 

-int wxNotebook::GetPageImage( int page ) const
+int wxNotebook::GetPageImage( size_t page ) const

 {
 {

-    wxCHECK_MSG( m_widget != NULL, 0, "invalid notebook" );
+    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );

 
 

-    wxNotebookPage* nb_page = GetNotebookPage(page);
+    wxGtkNotebookPage* nb_page = GetNotebookPage(page);

     if (nb_page)
         return nb_page->m_image;
     else
     if (nb_page)
         return nb_page->m_image;
     else

-        return 0;
+        return -1;

 }
 
 }
 

-wxNotebookPage* wxNotebook::GetNotebookPage(int page) const
+wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const

 {
 {

-    wxCHECK_MSG( m_widget != NULL, (wxNotebookPage*)NULL, "invalid notebook" );
+    wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") );

 
 

-    wxNotebookPage *nb_page = (wxNotebookPage *) NULL;
+    wxCHECK_MSG( page < (int)m_pagesData.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") );

 
 

-    wxNode *node = m_pages.First();
-    while (node)
-    {
-        nb_page = (wxNotebookPage*)node->Data();
-        if (nb_page->m_id == page)
-            return nb_page;
-        node = node->Next();
-    }
-
-    wxFAIL_MSG( "Notebook page not found!" );
-
-    return (wxNotebookPage *) NULL;
+    return m_pagesData.Item(page)->GetData();

 }
 
 }
 

-int wxNotebook::SetSelection( int page )
+int wxNotebook::SetSelection( size_t page )

 {
 {

-  wxCHECK_MSG( m_widget != NULL, -1, "invalid notebook" );
+    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );

 
 

-  int selOld = GetSelection();
-  wxNotebookPage* nb_page = GetNotebookPage(page);
+    wxCHECK_MSG( page < m_pagesData.GetCount(), -1, wxT("invalid notebook index") );

 
 

-  if (!nb_page) return -1;
+    int selOld = GetSelection();

 
 

-  int page_num = 0;
-  GList *child = GTK_NOTEBOOK(m_widget)->children;
-  while (child)
-  {
-    if (nb_page->m_page == (GtkNotebookPage*)child->data)  break;
-    page_num++;
-    child = child->next;
-  }
+    // cache the selection
+    m_selection = page;
+    gtk_notebook_set_page( GTK_NOTEBOOK(m_widget), page );

 
 

-  if (!child) return -1;
+    wxNotebookPage *client = GetPage(page);
+    if ( client )
+        client->SetFocus();

 
 

-  gtk_notebook_set_page( GTK_NOTEBOOK(m_widget), page_num );
-
-  return selOld;
+    return selOld;

 }
 
 }
 

-void wxNotebook::AdvanceSelection( bool bForward )
+bool wxNotebook::SetPageText( size_t page, const wxString &text )

 {
 {

-  wxCHECK_RET( m_widget != NULL, "invalid notebook" );
+    wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );

 
 

-  int sel = GetSelection();
-  int max = GetPageCount();
+    wxGtkNotebookPage* nb_page = GetNotebookPage(page);

 
 

-  if (bForward)
-    SetSelection( sel == max ? 0 : sel + 1 );
-  else
-    SetSelection( sel == 0 ? max : sel - 1 );
-}
+    wxCHECK_MSG( nb_page, FALSE, wxT("SetPageText: invalid page index") );

 
 

-void wxNotebook::SetImageList( wxImageList* imageList )
-{
-  m_imageList = imageList;
+    nb_page->m_text = text;
+
+    gtk_label_set( nb_page->m_label, wxGTK_CONV( nb_page->m_text ) );
+
+    return TRUE;

 }
 
 }
 

-bool wxNotebook::SetPageText( int page, const wxString &text )
+bool wxNotebook::SetPageImage( size_t page, int image )

 {
 {

-  wxCHECK_MSG( m_widget != NULL, FALSE, "invalid notebook" );
+    /* HvdH 28-12-98: now it works, but it's a bit of a kludge */

 
 

-  wxNotebookPage* nb_page = GetNotebookPage(page);
+    wxGtkNotebookPage* nb_page = GetNotebookPage(page);

 
 

-  if (!nb_page) return FALSE;
+    if (!nb_page) return FALSE;

 
 

-  nb_page->m_text = text;
+    /* Optimization posibility: return immediately if image unchanged.
+     * Not enabled because it may break existing (stupid) code that
+     * manipulates the imagelist to cycle images */

 
 

-  return TRUE;
-}
+    /* if (image == nb_page->m_image) return TRUE; */

 
 

-bool wxNotebook::SetPageImage( int page, int image )
-{
-  wxNotebookPage* nb_page = GetNotebookPage(page);
+    /* For different cases:
+       1) no image -> no image
+       2) image -> no image
+       3) no image -> image
+       4) image -> image */
+
+    if (image == -1 && nb_page->m_image == -1)
+        return TRUE; /* Case 1): Nothing to do. */
+
+    GtkWidget *pixmapwid = (GtkWidget*) NULL;
+
+    if (nb_page->m_image != -1)
+    {
+        /* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */
+
+        GList *child = gtk_container_children(GTK_CONTAINER(nb_page->m_box));
+        while (child)
+        {
+            if (GTK_IS_PIXMAP(child->data))
+            {
+                pixmapwid = GTK_WIDGET(child->data);
+                break;
+            }
+            child = child->next;
+        }
+
+        /* We should have the pixmap widget now */
+        wxASSERT(pixmapwid != NULL);
+
+        if (image == -1)
+        {
+            /* If there's no new widget, just remove the old from the box */
+            gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid);
+            nb_page->m_image = -1;
+
+            return TRUE; /* Case 2) */
+        }
+    }

 
 

-  if (!nb_page) return FALSE;
+    /* Only cases 3) and 4) left */
+    wxASSERT( m_imageList != NULL ); /* Just in case */

 
 

-  nb_page->m_image = image;
+    /* Construct the new pixmap */
+    const wxBitmap *bmp = m_imageList->GetBitmap(image);
+    GdkPixmap *pixmap = bmp->GetPixmap();
+    GdkBitmap *mask = (GdkBitmap*) NULL;
+    if ( bmp->GetMask() )
+    {
+        mask = bmp->GetMask()->GetBitmap();
+    }

 
 

-  return TRUE;
+    if (pixmapwid == NULL)
+    {
+        /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */
+        pixmapwid = gtk_pixmap_new (pixmap, mask );
+
+        /* CHECKME: Are these pack flags okay? */
+        gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
+        gtk_widget_show(pixmapwid);
+    }
+    else
+    {
+        /* Case 4) Simply replace the pixmap */
+        gtk_pixmap_set(GTK_PIXMAP(pixmapwid), pixmap, mask);
+    }
+
+    nb_page->m_image = image;
+
+    return TRUE;

 }
 
 void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) )
 {
 }
 
 void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) )
 {

-  wxFAIL_MSG( "wxNotebook::SetPageSize not implemented" );
+    wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );

 }
 
 }
 

-void wxNotebook::SetPadding( const wxSize &WXUNUSED(padding) )
+void wxNotebook::SetPadding( const wxSize &padding )

 {
 {

-  wxFAIL_MSG( "wxNotebook::SetPadding not implemented" );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid notebook") );
+
+    m_padding = padding.GetWidth();
+
+    int i;
+    for (i=0; i<int(GetPageCount()); i++)
+    {
+        wxGtkNotebookPage* nb_page = GetNotebookPage(i);
+        wxASSERT(nb_page != NULL);
+
+        if (nb_page->m_image != -1)
+        {
+            // gtk_box_set_child_packing sets padding on BOTH sides
+            // icon provides left padding, label provides center and right
+            int image = nb_page->m_image;
+            SetPageImage(i,-1);
+            SetPageImage(i,image);
+        }
+        wxASSERT(nb_page->m_label);
+        gtk_box_set_child_packing(GTK_BOX(nb_page->m_box),
+                                  GTK_WIDGET(nb_page->m_label),
+                                  FALSE, FALSE, m_padding, GTK_PACK_END);
+    }

 }
 
 }
 

-bool wxNotebook::DeleteAllPages()
+void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))

 {
 {

-  wxCHECK_MSG( m_widget != NULL, FALSE, "invalid notebook" );
+    wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
+}

 
 

-  wxNode *page_node = m_pages.First();
-  while (page_node)
-  {
-    wxNotebookPage *page = (wxNotebookPage*)page_node->Data();
+bool wxNotebook::DeleteAllPages()
+{
+    wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );

 
 

-    DeletePage( page->m_id );
+    while (m_pagesData.GetCount() > 0)
+        DeletePage( m_pagesData.GetCount()-1 );

 
 

-    page_node = m_pages.First();
-  }
+    wxASSERT_MSG( GetPageCount() == 0, _T("all pages must have been deleted") );

 
 

-  return TRUE;
+    InvalidateBestSize();
+    return wxNotebookBase::DeleteAllPages();

 }
 
 }
 

-bool wxNotebook::DeletePage( int page )
+wxNotebookPage *wxNotebook::DoRemovePage( size_t page )

 {
 {

-  wxNotebookPage* nb_page = GetNotebookPage(page);
-  if (!nb_page) return FALSE;
+    if ( m_selection != -1 && (size_t)m_selection >= page )
+    {
+        // the index will become invalid after the page is deleted
+        m_selection = -1;
+    }
+
+    wxNotebookPage *client = wxNotebookBase::DoRemovePage(page);
+    if ( !client )
+        return NULL;

 
 

-  int page_num = 0;
-  GList *child = GTK_NOTEBOOK(m_widget)->children;
-  while (child)
-  {
-    if (nb_page->m_page == (GtkNotebookPage*)child->data) break;
-    page_num++;
-    child = child->next;
-  }
+    gtk_widget_ref( client->m_widget );
+    gtk_widget_unrealize( client->m_widget );
+    gtk_widget_unparent( client->m_widget );

 
 

-  wxCHECK_MSG( child != NULL, FALSE, "illegal notebook index" );
+    // gtk_notebook_remove_page() sends "switch_page" signal with some strange
+    // new page index (when deleting selected page 0, new page is 1 although,
+    // clearly, the selection should stay 0), so suppress this
+    gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
+      GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );

 
 

-  delete nb_page->m_client;
+    gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );

 
 

-  m_pages.DeleteObject( nb_page );
+    gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
+      GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );

 
 

-  return TRUE;
+    wxGtkNotebookPage* p = GetNotebookPage(page);
+    m_pagesData.DeleteObject(p);
+    delete p;
+
+    return client;

 }
 
 }
 

-bool wxNotebook::RemovePage( int page )
+bool wxNotebook::InsertPage( size_t position,
+                             wxNotebookPage* win,
+                             const wxString& text,
+                             bool select,
+                             int imageId )

 {
 {

-  wxNotebookPage* nb_page = GetNotebookPage(page);
-  if (!nb_page) return FALSE;
+    wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );

 
 

-  int page_num = 0;
-  GList *child = GTK_NOTEBOOK(m_widget)->children;
-  while (child)
-  {
-    if (nb_page->m_page == (GtkNotebookPage*)child->data) break;
-    page_num++;
-    child = child->next;
-  }
+    wxCHECK_MSG( win->GetParent() == this, FALSE,
+               wxT("Can't add a page whose parent is not the notebook!") );

 
 

-  wxCHECK_MSG( child != NULL, FALSE, "illegal notebook index" );
+    wxCHECK_MSG( position <= GetPageCount(), FALSE,
+                 _T("invalid page index in wxNotebookPage::InsertPage()") );

 
 

-  gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page_num );
+    // Hack Alert! (Part II): See above in wxInsertChildInNotebook callback
+    // why this has to be done.  NOTE: using gtk_widget_unparent here does not
+    // work as it seems to undo too much and will cause errors in the
+    // gtk_notebook_insert_page below, so instead just clear the parent by
+    // hand here.
+    win->m_widget->parent = NULL;

 
 

-  m_pages.DeleteObject( nb_page );
+    // don't receive switch page during addition
+    gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
+      GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );

 
 

-  return TRUE;
-}
+    if (m_themeEnabled)
+        win->SetThemeEnabled(TRUE);

 
 

-bool wxNotebook::AddPage(wxWindow* win, const wxString& text,
-                         bool select, int imageId)
-{
-  wxCHECK_MSG( m_widget != NULL, FALSE, "invalid notebook" );
+    GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
+
+    wxGtkNotebookPage *nb_page = new wxGtkNotebookPage();
+
+    if ( position == GetPageCount() )
+        m_pagesData.Append( nb_page );
+    else
+        m_pagesData.Insert( m_pagesData.Item( position ), nb_page );

 
 

-  // we've created the notebook page in AddChild(). Now we just have to set
-  // the caption for the page and set the others parameters.
+    m_pages.Insert(win, position);

 
 

-  wxNotebookPage *page = (wxNotebookPage *) NULL;
+    nb_page->m_box = gtk_hbox_new( FALSE, 1 );
+    gtk_container_border_width( GTK_CONTAINER(nb_page->m_box), 2 );

 
 

-  wxNode *node = m_pages.First();
-  while (node)
-  {
-    page = (wxNotebookPage*)node->Data();
-    if ( page->m_client == win ) break;
-    node = node->Next();
-  }
+    gtk_signal_connect( GTK_OBJECT(win->m_widget), "size_allocate",
+      GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)win );

 
 

-  wxCHECK_MSG( page != NULL, FALSE,
-               "Can't add a page whose parent is not the notebook!" );
+#ifndef __VMS
+   // On VMS position is unsigned and thus always positive
+   if (position < 0)
+        gtk_notebook_append_page( notebook, win->m_widget, nb_page->m_box );
+    else
+#endif
+     gtk_notebook_insert_page( notebook, win->m_widget, nb_page->m_box, position );

 
 

-  wxCHECK_MSG( page->Add(), FALSE,
-               "Can't add the same page twice to a notebook." );
+    nb_page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;

 
 

-  if (imageId != -1)
-  {
-    wxASSERT( m_imageList != NULL );
+    /* set the label image */
+    nb_page->m_image = imageId;

 
 

-    const wxBitmap *bmp = m_imageList->GetBitmap(imageId);
-    GdkPixmap *pixmap = bmp->GetPixmap();
-    GdkBitmap *mask = (GdkBitmap*) NULL;
-    if ( bmp->GetMask() )
+    if (imageId != -1)

     {
     {

-      mask = bmp->GetMask()->GetBitmap();
-    }
+        wxASSERT( m_imageList != NULL );

 
 

-    GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );
+        const wxBitmap *bmp = m_imageList->GetBitmap(imageId);
+        GdkPixmap *pixmap = bmp->GetPixmap();
+        GdkBitmap *mask = (GdkBitmap*) NULL;
+        if ( bmp->GetMask() )
+        {
+            mask = bmp->GetMask()->GetBitmap();
+        }
+
+        GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );
+
+        gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
+
+        gtk_widget_show(pixmapwid);
+    }

 
 

-    gtk_box_pack_start(GTK_BOX(page->m_box), pixmapwid, FALSE, FALSE, 3);
+    /* set the label text */

 
 

-    gtk_widget_show(pixmapwid);
-  }
+    nb_page->m_text = text;
+    if (nb_page->m_text.IsEmpty()) nb_page->m_text = wxT("");

 
 

-  // then set the attributes
-  page->m_text = text;
-  if (page->m_text.IsEmpty()) page->m_text = "";
-  page->m_image = imageId;
-  page->m_label = (GtkLabel *)gtk_label_new(page->m_text);
-  gtk_box_pack_start( GTK_BOX(page->m_box), (GtkWidget *)page->m_label, FALSE, FALSE, 3);
+    nb_page->m_label = GTK_LABEL( gtk_label_new(wxGTK_CONV(nb_page->m_text)) );
+    gtk_box_pack_end( GTK_BOX(nb_page->m_box), GTK_WIDGET(nb_page->m_label), FALSE, FALSE, m_padding );

 
 

-  // @@@: what does this do? do we still need it?
-  // gtk_misc_set_alignment(GTK_MISC(page->m_label), 0.0, 0.5);
+    /* apply current style */
+    GtkRcStyle *style = CreateWidgetStyle();
+    if ( style )
+    {
+        gtk_widget_modify_style(GTK_WIDGET(nb_page->m_label), style);
+        gtk_rc_style_unref(style);
+    }    
+    
+    /* show the label */
+    gtk_widget_show( GTK_WIDGET(nb_page->m_label) );
+    if (select && (m_pagesData.GetCount() > 1))
+    {
+#ifndef __VMS
+   // On VMS position is unsigned and thus always positive
+        if (position < 0)
+            SetSelection( GetPageCount()-1 );
+        else
+#endif
+           SetSelection( position );
+    }

 
 

-  gtk_widget_show((GtkWidget *)page->m_label);
+    gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
+      GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );

 
 

-  if (select) SetSelection( GetPageCount()-1 );
+    InvalidateBestSize();
+    return TRUE;
+}

 
 

-  return TRUE;
+// helper for HitTest(): check if the point lies inside the given widget which
+// is the child of the notebook whose position and border size are passed as
+// parameters
+static bool
+IsPointInsideWidget(const wxPoint& pt, GtkWidget *w,
+                    gint x, gint y, gint border = 0)
+{
+    return
+        (pt.x >= w->allocation.x - x - border) &&
+        (pt.x <= w->allocation.x - x + border + w->allocation.width) &&
+        (pt.y >= w->allocation.y - y - border) &&
+        (pt.y <= w->allocation.y - y + border + w->allocation.height);

 }
 
 }
 

-wxWindow *wxNotebook::GetPage( int page ) const
+int wxNotebook::HitTest(const wxPoint& pt, long *flags) const

 {
 {

-    wxCHECK_MSG( m_widget != NULL, (wxWindow*) NULL, "invalid notebook" );
+    const gint x = m_widget->allocation.x;
+    const gint y = m_widget->allocation.y;
+
+    const size_t count = GetPageCount();
+    for ( size_t i = 0; i < count; i++ )
+    {
+        wxGtkNotebookPage* nb_page = GetNotebookPage(i);
+        GtkWidget *box = nb_page->m_box;
+
+        // VZ: don't know how to find the border width in GTK+ 1.2
+#ifdef __WXGTK20__
+        const gint border = gtk_container_get_border_width(GTK_CONTAINER(box));
+#else // !GTK+ 2.x
+        const gint border = 0;
+#endif
+        if ( IsPointInsideWidget(pt, box, x, y, border) )
+        {
+            // ok, we're inside this tab -- now find out where, if needed
+            if ( flags )
+            {
+                GtkWidget *pixmap = NULL;
+
+                GList *children = gtk_container_children(GTK_CONTAINER(box));
+                for ( GList *child = children; child; child = child->next )
+                {
+                    if ( GTK_IS_PIXMAP(child->data) )
+                    {
+                        pixmap = GTK_WIDGET(child->data);
+                        break;
+                    }
+                }
+
+                if ( children )
+                    g_list_free(children);
+
+                if ( pixmap && IsPointInsideWidget(pt, pixmap, x, y) )
+                {
+                    *flags = wxNB_HITTEST_ONICON;
+                }
+                else if ( IsPointInsideWidget(pt, GTK_WIDGET(nb_page->m_label), x, y) )
+                {
+                    *flags = wxNB_HITTEST_ONLABEL;
+                }
+                else
+                {
+                    *flags = wxNB_HITTEST_ONITEM;
+                }
+            }
+
+            return i;
+        }
+    }
+
+    if ( flags )
+        *flags = wxNB_HITTEST_NOWHERE;
+
+    return wxNOT_FOUND;
+}

 
 

-    wxNotebookPage* nb_page = GetNotebookPage(page);
-    if (!nb_page)
-        return (wxWindow *) NULL;
+void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
+{
+    if (event.IsWindowChange())
+        AdvanceSelection( event.GetDirection() );

     else
     else

-        return nb_page->m_client;
+        event.Skip();

 }
 
 }
 

+#if wxUSE_CONSTRAINTS
+

 // override these 2 functions to do nothing: everything is done in OnSize
 void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
 {
 // override these 2 functions to do nothing: everything is done in OnSize
 void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
 {


@@ -562,10 +821,27 @@ bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
     return TRUE;
 }
 
     return TRUE;
 }
 

-void wxNotebook::ApplyWidgetStyle()
+#endif
+
+void wxNotebook::DoApplyWidgetStyle(GtkRcStyle *style)

 {
 {

-    SetWidgetStyle();
-    gtk_widget_set_style( m_widget, m_widgetStyle );
+    gtk_widget_modify_style(m_widget, style);
+    size_t cnt = m_pagesData.GetCount();
+    for (size_t i = 0; i < cnt; i++)
+        gtk_widget_modify_style(GTK_WIDGET(GetNotebookPage(i)->m_label), style);
+}
+
+bool wxNotebook::IsOwnGtkWindow( GdkWindow *window )
+{
+    return ((m_widget->window == window) ||
+            (NOTEBOOK_PANEL(m_widget) == window));
+}
+
+// static
+wxVisualAttributes
+wxNotebook::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+{
+    return GetDefaultAttributesFromGTKWidget(gtk_notebook_new);

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


@@ -574,3 +850,4 @@ void wxNotebook::ApplyWidgetStyle()
 
 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 

+#endif