src/gtk/notebook.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        notebook.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling, Vadim Zeitlin
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation "notebook.h"
  12 #endif
  13
  14 #include "wx/notebook.h"
  15
  16 #if wxUSE_NOTEBOOK
  17
  18 #include "wx/panel.h"
  19 #include "wx/utils.h"
  20 #include "wx/imaglist.h"
  21 #include "wx/intl.h"
  22 #include "wx/log.h"
  23
  24 #include "wx/gtk/private.h"
  25 #include "wx/gtk/win_gtk.h"
  26
  27 #include <gdk/gdkkeysyms.h>
  28
  29 // ----------------------------------------------------------------------------
  30 // events
  31 // ----------------------------------------------------------------------------
  32
  33 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
  34 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
  35
  36 //-----------------------------------------------------------------------------
  37 // idle system
  38 //-----------------------------------------------------------------------------
  39
  40 extern void wxapp_install_idle_handler();
  41 extern bool g_isIdle;
  42
  43 //-----------------------------------------------------------------------------
  44 // data
  45 //-----------------------------------------------------------------------------
  46
  47 extern bool g_blockEventsOnDrag;
  48
  49 //-----------------------------------------------------------------------------
  50 // debug
  51 //-----------------------------------------------------------------------------
  52
  53 #ifdef __WXDEBUG__
  54
  55 extern void debug_focus_in( GtkWidget* widget, const wxChar* name, const wxChar *window );
  56
  57 #endif
  58
  59 //-----------------------------------------------------------------------------
  60 // wxGtkNotebookPage
  61 //-----------------------------------------------------------------------------
  62
  63 // VZ: this is rather ugly as we keep the pages themselves in an array (it
  64 //     allows us to have quite a few functions implemented in the base class)
  65 //     but the page data is kept in a separate list, so we must maintain them
  66 //     in sync manually... of course, the list had been there before the base
  67 //     class which explains it but it still would be nice to do something
  68 //     about this one day
  69
  70 class wxGtkNotebookPage: public wxObject
  71 {
  72 public:
  73   wxGtkNotebookPage()
  74   {
  75     m_image = -1;
  76     m_page = (GtkNotebookPage *) NULL;
  77     m_box = (GtkWidget *) NULL;
  78   }
  79
  80   wxString           m_text;
  81   int                m_image;
  82   GtkNotebookPage   *m_page;
  83   GtkLabel          *m_label;
  84   GtkWidget         *m_box;     // in which the label and image are packed
  85 };
  86
  87 #include "wx/listimpl.cpp"
  88 WX_DEFINE_LIST(wxGtkNotebookPagesList);
  89
  90 //-----------------------------------------------------------------------------
  91 // "switch_page"
  92 //-----------------------------------------------------------------------------
  93
  94 static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
  95                                               GtkNotebookPage *WXUNUSED(page),
  96                                               gint page,
  97                                               wxNotebook *notebook )
  98 {
  99     static bool s_inPageChange = FALSE;
 100
 101     // are you trying to call SetSelection() from a notebook event handler?
 102     // you shouldn't!
 103     wxCHECK_RET( !s_inPageChange,
 104                  _T("gtk_notebook_page_change_callback reentered") );
 105
 106     s_inPageChange = TRUE;
 107     if (g_isIdle)
 108         wxapp_install_idle_handler();
 109
 110     int old = notebook->GetSelection();
 111
 112     wxNotebookEvent eventChanging( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING,
 113                                    notebook->GetId(), page, old );
 114     eventChanging.SetEventObject( notebook );
 115
 116     if ( (notebook->GetEventHandler()->ProcessEvent(eventChanging)) &&
 117          !eventChanging.IsAllowed() )
 118     {
 119         /* program doesn't allow the page change */
 120         gtk_signal_emit_stop_by_name( GTK_OBJECT(notebook->m_widget),
 121                                       "switch_page" );
 122     }
 123     else // change allowed
 124     {
 125         // make wxNotebook::GetSelection() return the correct (i.e. consistent
 126         // with wxNotebookEvent::GetSelection()) value even though the page is
 127         // not really changed in GTK+
 128         notebook->m_selection = page;
 129
 130         wxNotebookEvent eventChanged( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED,
 131                                       notebook->GetId(), page, old );
 132         eventChanged.SetEventObject( notebook );
 133         notebook->GetEventHandler()->ProcessEvent( eventChanged );
 134     }
 135
 136     s_inPageChange = FALSE;
 137 }
 138
 139 //-----------------------------------------------------------------------------
 140 // "size_allocate"
 141 //-----------------------------------------------------------------------------
 142
 143 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
 144 {
 145     if (g_isIdle)
 146         wxapp_install_idle_handler();
 147
 148     if ((win->m_x == alloc->x) &&
 149         (win->m_y == alloc->y) &&
 150         (win->m_width == alloc->width) &&
 151         (win->m_height == alloc->height))
 152     {
 153         return;
 154     }
 155
 156     win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
 157
 158     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call allocate
 159        here in order to make repositioning after resizing to take effect. */
 160     if ((gtk_major_version == 1) &&
 161         (gtk_minor_version == 2) &&
 162         (gtk_micro_version < 6) &&
 163         (win->m_wxwindow) &&
 164         (GTK_WIDGET_REALIZED(win->m_wxwindow)))
 165     {
 166         gtk_widget_size_allocate( win->m_wxwindow, alloc );
 167     }
 168 }
 169
 170 //-----------------------------------------------------------------------------
 171 // "realize" from m_widget
 172 //-----------------------------------------------------------------------------
 173
 174 static gint
 175 gtk_notebook_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win )
 176 {
 177     if (g_isIdle)
 178         wxapp_install_idle_handler();
 179
 180     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call a queue_resize
 181        here in order to make repositioning before showing to take effect. */
 182     gtk_widget_queue_resize( win->m_widget );
 183
 184     return FALSE;
 185 }
 186
 187 //-----------------------------------------------------------------------------
 188 // "key_press_event"
 189 //-----------------------------------------------------------------------------
 190
 191 static gint gtk_notebook_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxNotebook *win )
 192 {
 193     if (g_isIdle)
 194         wxapp_install_idle_handler();
 195
 196     if (!win->m_hasVMT) return FALSE;
 197     if (g_blockEventsOnDrag) return FALSE;
 198
 199     /* win is a control: tab can be propagated up */
 200     if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
 201     {
 202         int sel = win->GetSelection();
 203         wxGtkNotebookPage *page = win->GetNotebookPage(sel);
 204         wxCHECK_MSG( page, FALSE, _T("invalid selection in wxNotebook") );
 205
 206         wxNavigationKeyEvent event;
 207         event.SetEventObject( win );
 208         /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
 209         event.SetDirection( (gdk_event->keyval == GDK_Tab) );
 210         /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
 211         event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
 212         event.SetCurrentFocus( win );
 213
 214         wxNotebookPage *client = win->GetPage(sel);
 215         if ( !client->GetEventHandler()->ProcessEvent( event ) )
 216         {
 217              client->SetFocus();
 218         }
 219
 220         gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
 221         return TRUE;
 222     }
 223
 224     return FALSE;
 225 }
 226
 227 //-----------------------------------------------------------------------------
 228 // InsertChild callback for wxNotebook
 229 //-----------------------------------------------------------------------------
 230
 231 static void wxInsertChildInNotebook( wxNotebook* WXUNUSED(parent), wxWindow* WXUNUSED(child) )
 232 {
 233     /* we don't do anything here but pray */
 234 }
 235
 236 //-----------------------------------------------------------------------------
 237 // wxNotebook
 238 //-----------------------------------------------------------------------------
 239
 240 IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)
 241
 242 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
 243     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
 244 END_EVENT_TABLE()
 245
 246 void wxNotebook::Init()
 247 {
 248     m_imageList = (wxImageList *) NULL;
 249     m_pagesData.DeleteContents( TRUE );
 250     m_selection = -1;
 251     m_themeEnabled = TRUE;
 252 }
 253
 254 wxNotebook::wxNotebook()
 255 {
 256     Init();
 257 }
 258
 259 wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id,
 260       const wxPoint& pos, const wxSize& size,
 261       long style, const wxString& name )
 262 {
 263     Init();
 264     Create( parent, id, pos, size, style, name );
 265 }
 266
 267 wxNotebook::~wxNotebook()
 268 {
 269     /* don't generate change page events any more */
 270     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 271       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 272
 273     DeleteAllPages();
 274 }
 275
 276 bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
 277                         const wxPoint& pos, const wxSize& size,
 278                         long style, const wxString& name )
 279 {
 280     m_needParent = TRUE;
 281     m_acceptsFocus = TRUE;
 282     m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook;
 283
 284     if (!PreCreation( parent, pos, size ) ||
 285         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 286     {
 287         wxFAIL_MSG( wxT("wxNoteBook creation failed") );
 288         return FALSE;
 289     }
 290
 291
 292     m_widget = gtk_notebook_new();
 293
 294 #ifdef __WXDEBUG__
 295     debug_focus_in( m_widget, wxT("wxNotebook::m_widget"), name );
 296 #endif
 297
 298     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 299
 300     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 301       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 302
 303     m_parent->DoAddChild( this );
 304
 305     if (m_windowStyle & wxNB_RIGHT)
 306         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
 307     if (m_windowStyle & wxNB_LEFT)
 308         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
 309     if (m_windowStyle & wxNB_BOTTOM)
 310         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
 311
 312     gtk_signal_connect( GTK_OBJECT(m_widget), "key_press_event",
 313       GTK_SIGNAL_FUNC(gtk_notebook_key_press_callback), (gpointer)this );
 314
 315     PostCreation();
 316
 317     SetFont( parent->GetFont() );
 318
 319     gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
 320                             GTK_SIGNAL_FUNC(gtk_notebook_realized_callback), (gpointer) this );
 321
 322     Show( TRUE );
 323
 324     return TRUE;
 325 }
 326
 327 int wxNotebook::GetSelection() const
 328 {
 329     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 330
 331     if ( m_selection == -1 )
 332     {
 333         GList *pages = GTK_NOTEBOOK(m_widget)->children;
 334
 335         if (g_list_length(pages) != 0)
 336         {
 337             GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 338
 339             gpointer cur = notebook->cur_page;
 340             if ( cur != NULL )
 341             {
 342                 wxConstCast(this, wxNotebook)->m_selection =
 343                     g_list_index( pages, cur );
 344             }
 345         }
 346     }
 347
 348     return m_selection;
 349 }
 350
 351 wxString wxNotebook::GetPageText( int page ) const
 352 {
 353     wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid notebook") );
 354
 355     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 356     if (nb_page)
 357         return nb_page->m_text;
 358     else
 359         return wxT("");
 360 }
 361
 362 int wxNotebook::GetPageImage( int page ) const
 363 {
 364     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 365
 366     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 367     if (nb_page)
 368         return nb_page->m_image;
 369     else
 370         return -1;
 371 }
 372
 373 wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const
 374 {
 375     wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") );
 376
 377     wxCHECK_MSG( page < (int)m_pagesData.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") );
 378
 379     return m_pagesData.Item(page)->GetData();
 380 }
 381
 382 int wxNotebook::SetSelection( int page )
 383 {
 384     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 385
 386     wxCHECK_MSG( page < (int)m_pagesData.GetCount(), -1, wxT("invalid notebook index") );
 387
 388     int selOld = GetSelection();
 389
 390     // cache the selection
 391     m_selection = page;
 392     gtk_notebook_set_page( GTK_NOTEBOOK(m_widget), page );
 393
 394     wxNotebookPage *client = GetPage(page);
 395     if ( client )
 396         client->SetFocus();
 397
 398     return selOld;
 399 }
 400
 401 bool wxNotebook::SetPageText( int page, const wxString &text )
 402 {
 403     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 404
 405     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 406
 407     wxCHECK_MSG( nb_page, FALSE, wxT("SetPageText: invalid page index") );
 408
 409     nb_page->m_text = text;
 410
 411     gtk_label_set( nb_page->m_label, nb_page->m_text.mbc_str() );
 412
 413     return TRUE;
 414 }
 415
 416 bool wxNotebook::SetPageImage( int page, int image )
 417 {
 418     /* HvdH 28-12-98: now it works, but it's a bit of a kludge */
 419
 420     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 421
 422     if (!nb_page) return FALSE;
 423
 424     /* Optimization posibility: return immediately if image unchanged.
 425      * Not enabled because it may break existing (stupid) code that
 426      * manipulates the imagelist to cycle images */
 427
 428     /* if (image == nb_page->m_image) return TRUE; */
 429
 430     /* For different cases:
 431        1) no image -> no image
 432        2) image -> no image
 433        3) no image -> image
 434        4) image -> image */
 435
 436     if (image == -1 && nb_page->m_image == -1)
 437         return TRUE; /* Case 1): Nothing to do. */
 438
 439     GtkWidget *pixmapwid = (GtkWidget*) NULL;
 440
 441     if (nb_page->m_image != -1)
 442     {
 443         /* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */
 444
 445         GList *child = gtk_container_children(GTK_CONTAINER(nb_page->m_box));
 446         while (child)
 447         {
 448             if (GTK_IS_PIXMAP(child->data))
 449             {
 450                 pixmapwid = GTK_WIDGET(child->data);
 451                 break;
 452             }
 453             child = child->next;
 454         }
 455
 456         /* We should have the pixmap widget now */
 457         wxASSERT(pixmapwid != NULL);
 458
 459         if (image == -1)
 460         {
 461             /* If there's no new widget, just remove the old from the box */
 462             gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid);
 463             nb_page->m_image = -1;
 464
 465             return TRUE; /* Case 2) */
 466         }
 467     }
 468
 469     /* Only cases 3) and 4) left */
 470     wxASSERT( m_imageList != NULL ); /* Just in case */
 471
 472     /* Construct the new pixmap */
 473     const wxBitmap *bmp = m_imageList->GetBitmap(image);
 474     GdkPixmap *pixmap = bmp->GetPixmap();
 475     GdkBitmap *mask = (GdkBitmap*) NULL;
 476     if ( bmp->GetMask() )
 477     {
 478         mask = bmp->GetMask()->GetBitmap();
 479     }
 480
 481     if (pixmapwid == NULL)
 482     {
 483         /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */
 484         pixmapwid = gtk_pixmap_new (pixmap, mask );
 485
 486         /* CHECKME: Are these pack flags okay? */
 487         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, 3);
 488         gtk_widget_show(pixmapwid);
 489     }
 490     else
 491     {
 492         /* Case 4) Simply replace the pixmap */
 493         gtk_pixmap_set(GTK_PIXMAP(pixmapwid), pixmap, mask);
 494     }
 495
 496     nb_page->m_image = image;
 497
 498     return TRUE;
 499 }
 500
 501 void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) )
 502 {
 503     wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
 504 }
 505
 506 void wxNotebook::SetPadding( const wxSize &WXUNUSED(padding) )
 507 {
 508     wxFAIL_MSG( wxT("wxNotebook::SetPadding not implemented") );
 509 }
 510
 511 void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
 512 {
 513     wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
 514 }
 515
 516 bool wxNotebook::DeleteAllPages()
 517 {
 518     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 519
 520     while (m_pagesData.GetCount() > 0)
 521         DeletePage( m_pagesData.GetCount()-1 );
 522
 523     wxASSERT_MSG( GetPageCount() == 0, _T("all pages must have been deleted") );
 524
 525     return wxNotebookBase::DeleteAllPages();
 526 }
 527
 528 bool wxNotebook::DeletePage( int page )
 529 {
 530     // GTK sets GtkNotebook.cur_page to NULL before sending the switch page
 531     // event so we have to store the selection internally
 532     if ( m_selection == -1 )
 533     {
 534         m_selection = GetSelection();
 535         if ( m_selection == (int)m_pagesData.GetCount() - 1 )
 536         {
 537             // the index will become invalid after the page is deleted
 538             m_selection = -1;
 539         }
 540     }
 541
 542     // it will call our DoRemovePage() to do the real work
 543     return wxNotebookBase::DeletePage(page);
 544 }
 545
 546 wxNotebookPage *wxNotebook::DoRemovePage( int page )
 547 {
 548     wxNotebookPage *client = wxNotebookBase::DoRemovePage(page);
 549     if ( !client )
 550         return NULL;
 551
 552     gtk_widget_ref( client->m_widget );
 553     gtk_widget_unrealize( client->m_widget );
 554     gtk_widget_unparent( client->m_widget );
 555
 556     gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
 557
 558     m_pagesData.DeleteObject(GetNotebookPage(page));
 559
 560     return client;
 561 }
 562
 563 bool wxNotebook::InsertPage( int position,
 564                              wxNotebookPage* win,
 565                              const wxString& text,
 566                              bool select,
 567                              int imageId )
 568 {
 569     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 570
 571     wxCHECK_MSG( win->GetParent() == this, FALSE,
 572                wxT("Can't add a page whose parent is not the notebook!") );
 573
 574     wxCHECK_MSG( position >= 0 && position <= GetPageCount(), FALSE,
 575                  _T("invalid page index in wxNotebookPage::InsertPage()") );
 576
 577     /* don't receive switch page during addition */
 578     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 579       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 580
 581     if (m_themeEnabled)
 582         win->SetThemeEnabled(TRUE);
 583
 584     GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 585
 586     wxGtkNotebookPage *page = new wxGtkNotebookPage();
 587
 588     if ( position == GetPageCount() )
 589         m_pagesData.Append( page );
 590     else
 591         m_pagesData.Insert( m_pagesData.Item( position ), page );
 592
 593     m_pages.Insert(win, position);
 594
 595     page->m_box = gtk_hbox_new( FALSE, 0 );
 596     gtk_container_border_width( GTK_CONTAINER(page->m_box), 2 );
 597
 598     gtk_signal_connect( GTK_OBJECT(win->m_widget), "size_allocate",
 599       GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)win );
 600
 601     if (position < 0)
 602         gtk_notebook_append_page( notebook, win->m_widget, page->m_box );
 603     else
 604         gtk_notebook_insert_page( notebook, win->m_widget, page->m_box, position );
 605
 606     page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;
 607
 608     /* set the label image */
 609     page->m_image = imageId;
 610
 611     if (imageId != -1)
 612     {
 613         wxASSERT( m_imageList != NULL );
 614
 615         const wxBitmap *bmp = m_imageList->GetBitmap(imageId);
 616         GdkPixmap *pixmap = bmp->GetPixmap();
 617         GdkBitmap *mask = (GdkBitmap*) NULL;
 618         if ( bmp->GetMask() )
 619         {
 620             mask = bmp->GetMask()->GetBitmap();
 621         }
 622
 623         GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );
 624
 625         gtk_box_pack_start(GTK_BOX(page->m_box), pixmapwid, FALSE, FALSE, 3);
 626
 627         gtk_widget_show(pixmapwid);
 628     }
 629
 630     /* set the label text */
 631     page->m_text = text;
 632     if (page->m_text.IsEmpty()) page->m_text = wxT("");
 633
 634     page->m_label = GTK_LABEL( gtk_label_new(page->m_text.mbc_str()) );
 635     gtk_box_pack_end( GTK_BOX(page->m_box), GTK_WIDGET(page->m_label), FALSE, FALSE, 3 );
 636
 637     /* show the label */
 638     gtk_widget_show( GTK_WIDGET(page->m_label) );
 639
 640     if (select && (m_pagesData.GetCount() > 1))
 641     {
 642         if (position < 0)
 643             SetSelection( GetPageCount()-1 );
 644         else
 645             SetSelection( position );
 646     }
 647
 648     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 649       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 650
 651     return TRUE;
 652 }
 653
 654 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 655 {
 656     if (event.IsWindowChange())
 657         AdvanceSelection( event.GetDirection() );
 658     else
 659         event.Skip();
 660 }
 661
 662 #if wxUSE_CONSTRAINTS
 663
 664 // override these 2 functions to do nothing: everything is done in OnSize
 665 void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
 666 {
 667     // don't set the sizes of the pages - their correct size is not yet known
 668     wxControl::SetConstraintSizes(FALSE);
 669 }
 670
 671 bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
 672 {
 673     return TRUE;
 674 }
 675
 676 #endif
 677
 678 void wxNotebook::ApplyWidgetStyle()
 679 {
 680     // TODO, font for labels etc
 681
 682     SetWidgetStyle();
 683     gtk_widget_set_style( m_widget, m_widgetStyle );
 684 }
 685
 686 bool wxNotebook::IsOwnGtkWindow( GdkWindow *window )
 687 {
 688     return ((m_widget->window == window) ||
 689             (NOTEBOOK_PANEL(m_widget) == window));
 690 }
 691
 692 //-----------------------------------------------------------------------------
 693 // wxNotebookEvent
 694 //-----------------------------------------------------------------------------
 695
 696 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 697
 698 #endif