src/gtk/notebook.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/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 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #if wxUSE_NOTEBOOK
  14
  15 #include "wx/notebook.h"
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/intl.h"
  19     #include "wx/log.h"
  20     #include "wx/utils.h"
  21     #include "wx/msgdlg.h"
  22     #include "wx/bitmap.h"
  23 #endif
  24
  25 #include "wx/imaglist.h"
  26 #include "wx/fontutil.h"
  27
  28 #include "wx/gtk/private.h"
  29
  30 #include <gdk/gdkkeysyms.h>
  31
  32 // ----------------------------------------------------------------------------
  33 // events
  34 // ----------------------------------------------------------------------------
  35
  36 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
  37 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
  38
  39 //-----------------------------------------------------------------------------
  40 // data
  41 //-----------------------------------------------------------------------------
  42
  43 extern bool g_blockEventsOnDrag;
  44
  45 //-----------------------------------------------------------------------------
  46 // wxGtkNotebookPage
  47 //-----------------------------------------------------------------------------
  48
  49 // VZ: this is rather ugly as we keep the pages themselves in an array (it
  50 //     allows us to have quite a few functions implemented in the base class)
  51 //     but the page data is kept in a separate list, so we must maintain them
  52 //     in sync manually... of course, the list had been there before the base
  53 //     class which explains it but it still would be nice to do something
  54 //     about this one day
  55
  56 class wxGtkNotebookPage: public wxObject
  57 {
  58 public:
  59     wxGtkNotebookPage()
  60     {
  61         m_image = -1;
  62         m_page = (GtkNotebookPage *) NULL;
  63         m_box = (GtkWidget *) NULL;
  64     }
  65
  66     wxString           m_text;
  67     int                m_image;
  68     GtkNotebookPage   *m_page;
  69     GtkLabel          *m_label;
  70     GtkWidget         *m_box;     // in which the label and image are packed
  71 };
  72
  73
  74 #include "wx/listimpl.cpp"
  75 WX_DEFINE_LIST(wxGtkNotebookPagesList)
  76
  77
  78 //-----------------------------------------------------------------------------
  79 // "switch_page"
  80 //-----------------------------------------------------------------------------
  81
  82 extern "C" {
  83 static void gtk_notebook_page_changing_callback( GtkNotebook *widget,
  84                                                  GtkNotebookPage *WXUNUSED(gpage),
  85                                                  guint page,
  86                                                  wxNotebook *notebook )
  87 {
  88     int old = gtk_notebook_get_current_page( widget );
  89
  90     if ( !notebook->SendPageChangingEvent(page) )
  91     {
  92         // program doesn't allow the page change
  93         g_signal_stop_emission_by_name(notebook->m_widget, "switch_page");
  94     }
  95     else
  96     {
  97         // the page change event also reports the old page
  98         notebook->m_oldSelection = old;
  99     }
 100 }
 101 }
 102
 103 extern "C" {
 104 static void gtk_notebook_page_changed_callback( GtkNotebook * WXUNUSED(widget),
 105                                                 GtkNotebookPage *WXUNUSED(gpage),
 106                                                 guint WXUNUSED(page),
 107                                                 wxNotebook *notebook )
 108 {
 109     int old = notebook->m_oldSelection;
 110     notebook->SendPageChangedEvent( old );
 111 }
 112 }
 113
 114 //-----------------------------------------------------------------------------
 115 // "size_allocate"
 116 //-----------------------------------------------------------------------------
 117
 118 extern "C" {
 119 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
 120 {
 121     if ((win->m_x == alloc->x) &&
 122         (win->m_y == alloc->y) &&
 123         (win->m_width == alloc->width) &&
 124         (win->m_height == alloc->height))
 125     {
 126         return;
 127     }
 128
 129     win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
 130 }
 131 }
 132
 133 //-----------------------------------------------------------------------------
 134 // "realize" from m_widget
 135 //-----------------------------------------------------------------------------
 136
 137 extern "C" {
 138 static void
 139 gtk_notebook_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win )
 140 {
 141     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call a queue_resize
 142        here in order to make repositioning before showing to take effect. */
 143     gtk_widget_queue_resize( win->m_widget );
 144 }
 145 }
 146
 147 //-----------------------------------------------------------------------------
 148 // InsertChild callback for wxNotebook
 149 //-----------------------------------------------------------------------------
 150
 151 static void wxInsertChildInNotebook(wxWindow* parent, wxWindow* child)
 152 {
 153     // Hack Alert! (Part I): This sets the notebook as the parent of the child
 154     // widget, and takes care of some details such as updating the state and
 155     // style of the child to reflect its new location.  We do this early
 156     // because without it GetBestSize (which is used to set the initial size
 157     // of controls if an explicit size is not given) will often report
 158     // incorrect sizes since the widget's style context is not fully known.
 159     // See bug #901694 for details
 160     // (http://sourceforge.net/tracker/?func=detail&aid=901694&group_id=9863&atid=109863)
 161     gtk_widget_set_parent(child->m_widget, parent->m_widget);
 162
 163     // NOTE: This should be considered a temporary workaround until we can
 164     // work out the details and implement delaying the setting of the initial
 165     // size of widgets until the size is really needed.
 166 }
 167
 168 //-----------------------------------------------------------------------------
 169 // wxNotebook
 170 //-----------------------------------------------------------------------------
 171
 172 IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxBookCtrlBase)
 173
 174 BEGIN_EVENT_TABLE(wxNotebook, wxBookCtrlBase)
 175     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
 176 END_EVENT_TABLE()
 177
 178 void wxNotebook::Init()
 179 {
 180     m_padding = 0;
 181
 182     m_imageList = (wxImageList *) NULL;
 183     m_oldSelection = -1;
 184     m_themeEnabled = true;
 185 }
 186
 187 wxNotebook::wxNotebook()
 188 {
 189     Init();
 190 }
 191
 192 wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id,
 193       const wxPoint& pos, const wxSize& size,
 194       long style, const wxString& name )
 195 {
 196     Init();
 197     Create( parent, id, pos, size, style, name );
 198 }
 199
 200 wxNotebook::~wxNotebook()
 201 {
 202     DeleteAllPages();
 203 }
 204
 205 bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
 206                         const wxPoint& pos, const wxSize& size,
 207                         long style, const wxString& name )
 208 {
 209     m_insertCallback = wxInsertChildInNotebook;
 210
 211     if ( (style & wxBK_ALIGN_MASK) == wxBK_DEFAULT )
 212         style |= wxBK_TOP;
 213
 214     if (!PreCreation( parent, pos, size ) ||
 215         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 216     {
 217         wxFAIL_MSG( wxT("wxNoteBook creation failed") );
 218         return false;
 219     }
 220
 221
 222     m_widget = gtk_notebook_new();
 223
 224     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 225
 226     g_signal_connect (m_widget, "switch_page",
 227                       G_CALLBACK (gtk_notebook_page_changing_callback), this);
 228
 229     g_signal_connect_after (m_widget, "switch_page",
 230                       G_CALLBACK (gtk_notebook_page_changed_callback), this);
 231
 232     m_parent->DoAddChild( this );
 233
 234     if (m_windowStyle & wxBK_RIGHT)
 235         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
 236     if (m_windowStyle & wxBK_LEFT)
 237         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
 238     if (m_windowStyle & wxBK_BOTTOM)
 239         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
 240
 241     PostCreation(size);
 242
 243     g_signal_connect (m_widget, "realize",
 244                       G_CALLBACK (gtk_notebook_realized_callback), this);
 245
 246     return true;
 247 }
 248
 249 int wxNotebook::GetSelection() const
 250 {
 251     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 252
 253     return gtk_notebook_get_current_page( GTK_NOTEBOOK(m_widget) );
 254 }
 255
 256 wxString wxNotebook::GetPageText( size_t page ) const
 257 {
 258     wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid notebook") );
 259
 260     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 261     if (nb_page)
 262         return nb_page->m_text;
 263     else
 264         return wxEmptyString;
 265 }
 266
 267 int wxNotebook::GetPageImage( size_t page ) const
 268 {
 269     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 270
 271     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 272     if (nb_page)
 273         return nb_page->m_image;
 274     else
 275         return -1;
 276 }
 277
 278 wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const
 279 {
 280     wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") );
 281
 282     wxCHECK_MSG( page < (int)m_pagesData.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") );
 283
 284     return m_pagesData.Item(page)->GetData();
 285 }
 286
 287 int wxNotebook::DoSetSelection( size_t page, int flags )
 288 {
 289     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 290
 291     wxCHECK_MSG( page < m_pagesData.GetCount(), -1, wxT("invalid notebook index") );
 292
 293     int selOld = GetSelection();
 294
 295     if ( !(flags & SetSelection_SendEvent) )
 296     {
 297         g_signal_handlers_block_by_func(m_widget,
 298             (gpointer)gtk_notebook_page_changing_callback, this);
 299
 300         g_signal_handlers_block_by_func(m_widget,
 301             (gpointer)gtk_notebook_page_changed_callback, this);
 302     }
 303
 304     gtk_notebook_set_current_page( GTK_NOTEBOOK(m_widget), page );
 305
 306     if ( !(flags & SetSelection_SendEvent) )
 307     {
 308         g_signal_handlers_unblock_by_func(m_widget,
 309             (gpointer)gtk_notebook_page_changing_callback, this);
 310
 311         g_signal_handlers_unblock_by_func(m_widget,
 312             (gpointer)gtk_notebook_page_changed_callback, this);
 313     }
 314
 315     wxNotebookPage *client = GetPage(page);
 316     if ( client )
 317         client->SetFocus();
 318
 319     return selOld;
 320 }
 321
 322 bool wxNotebook::SetPageText( size_t page, const wxString &text )
 323 {
 324     wxCHECK_MSG( m_widget != NULL, false, wxT("invalid notebook") );
 325
 326     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 327
 328     wxCHECK_MSG( nb_page, false, wxT("SetPageText: invalid page index") );
 329
 330     nb_page->m_text = text;
 331
 332     gtk_label_set_text( nb_page->m_label, wxGTK_CONV( nb_page->m_text ) );
 333
 334     return true;
 335 }
 336
 337 bool wxNotebook::SetPageImage( size_t page, int image )
 338 {
 339     /* HvdH 28-12-98: now it works, but it's a bit of a kludge */
 340
 341     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 342
 343     if (!nb_page) return false;
 344
 345     /* Optimization posibility: return immediately if image unchanged.
 346      * Not enabled because it may break existing (stupid) code that
 347      * manipulates the imagelist to cycle images */
 348
 349     /* if (image == nb_page->m_image) return true; */
 350
 351     /* For different cases:
 352        1) no image -> no image
 353        2) image -> no image
 354        3) no image -> image
 355        4) image -> image */
 356
 357     if (image == -1 && nb_page->m_image == -1)
 358         return true; /* Case 1): Nothing to do. */
 359
 360     GtkWidget *pixmapwid = (GtkWidget*) NULL;
 361
 362     if (nb_page->m_image != -1)
 363     {
 364         /* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */
 365
 366         GList *child = gtk_container_get_children(GTK_CONTAINER(nb_page->m_box));
 367         while (child)
 368         {
 369             if (GTK_IS_IMAGE(child->data))
 370             {
 371                 pixmapwid = GTK_WIDGET(child->data);
 372                 break;
 373             }
 374             child = child->next;
 375         }
 376
 377         /* We should have the pixmap widget now */
 378         wxASSERT(pixmapwid != NULL);
 379
 380         if (image == -1)
 381         {
 382             /* If there's no new widget, just remove the old from the box */
 383             gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid);
 384             nb_page->m_image = -1;
 385
 386             return true; /* Case 2) */
 387         }
 388     }
 389
 390     /* Only cases 3) and 4) left */
 391     wxASSERT( m_imageList != NULL ); /* Just in case */
 392
 393     /* Construct the new pixmap */
 394     const wxBitmap *bmp = m_imageList->GetBitmapPtr(image);
 395
 396     if (pixmapwid == NULL)
 397     {
 398         /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */
 399         pixmapwid = gtk_image_new_from_pixbuf(bmp->GetPixbuf());
 400
 401         /* CHECKME: Are these pack flags okay? */
 402         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 403         gtk_widget_show(pixmapwid);
 404     }
 405     else
 406     {
 407         /* Case 4) Simply replace the pixmap */
 408         gtk_image_set_from_pixbuf((GtkImage*)pixmapwid, bmp->GetPixbuf());
 409     }
 410
 411     nb_page->m_image = image;
 412
 413     return true;
 414 }
 415
 416 void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) )
 417 {
 418     wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
 419 }
 420
 421 void wxNotebook::SetPadding( const wxSize &padding )
 422 {
 423     wxCHECK_RET( m_widget != NULL, wxT("invalid notebook") );
 424
 425     m_padding = padding.GetWidth();
 426
 427     int i;
 428     for (i=0; i<int(GetPageCount()); i++)
 429     {
 430         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 431         wxASSERT(nb_page != NULL);
 432
 433         if (nb_page->m_image != -1)
 434         {
 435             // gtk_box_set_child_packing sets padding on BOTH sides
 436             // icon provides left padding, label provides center and right
 437             int image = nb_page->m_image;
 438             SetPageImage(i,-1);
 439             SetPageImage(i,image);
 440         }
 441         wxASSERT(nb_page->m_label);
 442         gtk_box_set_child_packing(GTK_BOX(nb_page->m_box),
 443                                   GTK_WIDGET(nb_page->m_label),
 444                                   FALSE, FALSE, m_padding, GTK_PACK_END);
 445     }
 446 }
 447
 448 void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
 449 {
 450     wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
 451 }
 452
 453 bool wxNotebook::DeleteAllPages()
 454 {
 455     wxCHECK_MSG( m_widget != NULL, false, wxT("invalid notebook") );
 456
 457     while (m_pagesData.GetCount() > 0)
 458         DeletePage( m_pagesData.GetCount()-1 );
 459
 460     wxASSERT_MSG( GetPageCount() == 0, _T("all pages must have been deleted") );
 461
 462     InvalidateBestSize();
 463     return wxNotebookBase::DeleteAllPages();
 464 }
 465
 466 wxNotebookPage *wxNotebook::DoRemovePage( size_t page )
 467 {
 468     // We cannot remove the page yet, as GTK sends the "switch_page"
 469     // signal before it has removed the notebook-page from its
 470     // corresponding list. Thus, if we were to remove the page from
 471     // m_pages at this point, the two lists of pages would be out
 472     // of sync during the PAGE_CHANGING/PAGE_CHANGED events.
 473     wxNotebookPage *client = GetPage(page);
 474     if ( !client )
 475         return NULL;
 476
 477     gtk_widget_ref( client->m_widget );
 478     gtk_widget_unrealize( client->m_widget );
 479
 480     // we don't need to unparent the client->m_widget; GTK+ will do
 481     // that for us (and will throw a warning if we do it!)
 482     gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
 483
 484     // It's safe to remove the page now.
 485     wxASSERT_MSG(GetPage(page) == client, wxT("pages changed during delete"));
 486     wxNotebookBase::DoRemovePage(page);
 487
 488     wxGtkNotebookPage* p = GetNotebookPage(page);
 489     m_pagesData.DeleteObject(p);
 490     delete p;
 491
 492     return client;
 493 }
 494
 495 bool wxNotebook::InsertPage( size_t position,
 496                              wxNotebookPage* win,
 497                              const wxString& text,
 498                              bool select,
 499                              int imageId )
 500 {
 501     wxCHECK_MSG( m_widget != NULL, false, wxT("invalid notebook") );
 502
 503     wxCHECK_MSG( win->GetParent() == this, false,
 504                wxT("Can't add a page whose parent is not the notebook!") );
 505
 506     wxCHECK_MSG( position <= GetPageCount(), false,
 507                  _T("invalid page index in wxNotebookPage::InsertPage()") );
 508
 509     // Hack Alert! (Part II): See above in wxInsertChildInNotebook callback
 510     // why this has to be done.  NOTE: using gtk_widget_unparent here does not
 511     // work as it seems to undo too much and will cause errors in the
 512     // gtk_notebook_insert_page below, so instead just clear the parent by
 513     // hand here.
 514     win->m_widget->parent = NULL;
 515
 516     if (m_themeEnabled)
 517         win->SetThemeEnabled(true);
 518
 519     GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 520
 521     wxGtkNotebookPage *nb_page = new wxGtkNotebookPage();
 522
 523     if ( position == GetPageCount() )
 524         m_pagesData.Append( nb_page );
 525     else
 526         m_pagesData.Insert( position, nb_page );
 527
 528     m_pages.Insert(win, position);
 529
 530     nb_page->m_box = gtk_hbox_new( FALSE, 1 );
 531     gtk_container_set_border_width((GtkContainer*)nb_page->m_box, 2);
 532
 533     g_signal_connect (win->m_widget, "size_allocate",
 534                       G_CALLBACK (gtk_page_size_callback), win);
 535
 536     gtk_notebook_insert_page( notebook, win->m_widget, nb_page->m_box, position );
 537
 538     nb_page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;
 539
 540     /* set the label image */
 541     nb_page->m_image = imageId;
 542
 543     if (imageId != -1)
 544     {
 545         wxASSERT( m_imageList != NULL );
 546
 547         const wxBitmap *bmp = m_imageList->GetBitmapPtr(imageId);
 548         GtkWidget* pixmapwid = gtk_image_new_from_pixbuf(bmp->GetPixbuf());
 549         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 550         gtk_widget_show(pixmapwid);
 551     }
 552
 553     /* set the label text */
 554
 555     nb_page->m_text = wxStripMenuCodes(text);
 556     if (nb_page->m_text.empty()) nb_page->m_text = wxEmptyString;
 557
 558     nb_page->m_label = GTK_LABEL( gtk_label_new(wxGTK_CONV(nb_page->m_text)) );
 559     gtk_box_pack_end( GTK_BOX(nb_page->m_box), GTK_WIDGET(nb_page->m_label), FALSE, FALSE, m_padding );
 560
 561     /* apply current style */
 562     GtkRcStyle *style = CreateWidgetStyle();
 563     if ( style )
 564     {
 565         gtk_widget_modify_style(GTK_WIDGET(nb_page->m_label), style);
 566         gtk_rc_style_unref(style);
 567     }
 568
 569     /* show the label */
 570     gtk_widget_show( GTK_WIDGET(nb_page->m_label) );
 571
 572     if (select && (m_pagesData.GetCount() > 1))
 573     {
 574         SetSelection( position );
 575     }
 576
 577     InvalidateBestSize();
 578     return true;
 579 }
 580
 581 // helper for HitTest(): check if the point lies inside the given widget which
 582 // is the child of the notebook whose position and border size are passed as
 583 // parameters
 584 static bool
 585 IsPointInsideWidget(const wxPoint& pt, GtkWidget *w,
 586                     gint x, gint y, gint border = 0)
 587 {
 588     return
 589         (pt.x >= w->allocation.x - x - border) &&
 590         (pt.x <= w->allocation.x - x + border + w->allocation.width) &&
 591         (pt.y >= w->allocation.y - y - border) &&
 592         (pt.y <= w->allocation.y - y + border + w->allocation.height);
 593 }
 594
 595 int wxNotebook::HitTest(const wxPoint& pt, long *flags) const
 596 {
 597     const gint x = m_widget->allocation.x;
 598     const gint y = m_widget->allocation.y;
 599
 600     const size_t count = GetPageCount();
 601     size_t i = 0;
 602
 603     GtkNotebook * notebook = GTK_NOTEBOOK(m_widget);
 604     if (gtk_notebook_get_scrollable(notebook))
 605         i = g_list_position( notebook->children, notebook->first_tab );
 606
 607     for ( ; i < count; i++ )
 608     {
 609         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 610         GtkWidget *box = nb_page->m_box;
 611
 612         const gint border = gtk_container_get_border_width(GTK_CONTAINER(box));
 613
 614         if ( IsPointInsideWidget(pt, box, x, y, border) )
 615         {
 616             // ok, we're inside this tab -- now find out where, if needed
 617             if ( flags )
 618             {
 619                 GtkWidget *pixmap = NULL;
 620
 621                 GList *children = gtk_container_get_children(GTK_CONTAINER(box));
 622                 for ( GList *child = children; child; child = child->next )
 623                 {
 624                     if (GTK_IS_IMAGE(child->data))
 625                     {
 626                         pixmap = GTK_WIDGET(child->data);
 627                         break;
 628                     }
 629                 }
 630
 631                 if ( children )
 632                     g_list_free(children);
 633
 634                 if ( pixmap && IsPointInsideWidget(pt, pixmap, x, y) )
 635                 {
 636                     *flags = wxBK_HITTEST_ONICON;
 637                 }
 638                 else if ( IsPointInsideWidget(pt, GTK_WIDGET(nb_page->m_label), x, y) )
 639                 {
 640                     *flags = wxBK_HITTEST_ONLABEL;
 641                 }
 642                 else
 643                 {
 644                     *flags = wxBK_HITTEST_ONITEM;
 645                 }
 646             }
 647
 648             return i;
 649         }
 650     }
 651
 652     if ( flags )
 653     {
 654         *flags = wxBK_HITTEST_NOWHERE;
 655         wxWindowBase * page = GetCurrentPage();
 656         if ( page )
 657         {
 658             // rect origin is in notebook's parent coordinates
 659             wxRect rect = page->GetRect();
 660
 661             // adjust it to the notebook's coordinates
 662             wxPoint pos = GetPosition();
 663             rect.x -= pos.x;
 664             rect.y -= pos.y;
 665             if ( rect.Contains( pt ) )
 666                 *flags |= wxBK_HITTEST_ONPAGE;
 667         }
 668     }
 669
 670     return wxNOT_FOUND;
 671 }
 672
 673 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 674 {
 675     if (event.IsWindowChange())
 676         AdvanceSelection( event.GetDirection() );
 677     else
 678         event.Skip();
 679 }
 680
 681 #if wxUSE_CONSTRAINTS
 682
 683 // override these 2 functions to do nothing: everything is done in OnSize
 684 void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
 685 {
 686     // don't set the sizes of the pages - their correct size is not yet known
 687     wxControl::SetConstraintSizes(false);
 688 }
 689
 690 bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
 691 {
 692     return true;
 693 }
 694
 695 #endif
 696
 697 void wxNotebook::DoApplyWidgetStyle(GtkRcStyle *style)
 698 {
 699     gtk_widget_modify_style(m_widget, style);
 700     size_t cnt = m_pagesData.GetCount();
 701     for (size_t i = 0; i < cnt; i++)
 702         gtk_widget_modify_style(GTK_WIDGET(GetNotebookPage(i)->m_label), style);
 703 }
 704
 705 GdkWindow *wxNotebook::GTKGetWindow(wxArrayGdkWindows& windows) const
 706 {
 707     windows.push_back(m_widget->window);
 708     windows.push_back(GTK_NOTEBOOK(m_widget)->event_window);
 709
 710     return NULL;
 711 }
 712
 713 // static
 714 wxVisualAttributes
 715 wxNotebook::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 716 {
 717     return GetDefaultAttributesFromGTKWidget(gtk_notebook_new);
 718 }
 719
 720 //-----------------------------------------------------------------------------
 721 // wxNotebookEvent
 722 //-----------------------------------------------------------------------------
 723
 724 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 725
 726 #endif