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 #include "wx/gtk/win_gtk.h"
  30
  31 #include <gdk/gdkkeysyms.h>
  32
  33 // ----------------------------------------------------------------------------
  34 // events
  35 // ----------------------------------------------------------------------------
  36
  37 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
  38 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
  39
  40 //-----------------------------------------------------------------------------
  41 // data
  42 //-----------------------------------------------------------------------------
  43
  44 extern bool g_blockEventsOnDrag;
  45
  46 //-----------------------------------------------------------------------------
  47 // wxGtkNotebookPage
  48 //-----------------------------------------------------------------------------
  49
  50 // VZ: this is rather ugly as we keep the pages themselves in an array (it
  51 //     allows us to have quite a few functions implemented in the base class)
  52 //     but the page data is kept in a separate list, so we must maintain them
  53 //     in sync manually... of course, the list had been there before the base
  54 //     class which explains it but it still would be nice to do something
  55 //     about this one day
  56
  57 class wxGtkNotebookPage: public wxObject
  58 {
  59 public:
  60     wxGtkNotebookPage()
  61     {
  62         m_image = -1;
  63         m_page = (GtkNotebookPage *) NULL;
  64         m_box = (GtkWidget *) NULL;
  65     }
  66
  67     wxString           m_text;
  68     int                m_image;
  69     GtkNotebookPage   *m_page;
  70     GtkLabel          *m_label;
  71     GtkWidget         *m_box;     // in which the label and image are packed
  72 };
  73
  74
  75 #include "wx/listimpl.cpp"
  76 WX_DEFINE_LIST(wxGtkNotebookPagesList)
  77
  78
  79 //-----------------------------------------------------------------------------
  80 // "switch_page"
  81 //-----------------------------------------------------------------------------
  82
  83 extern "C" {
  84 static void gtk_notebook_page_changing_callback( GtkNotebook *widget,
  85                                                  GtkNotebookPage *WXUNUSED(gpage),
  86                                                  guint page,
  87                                                  wxNotebook *notebook )
  88 {
  89     int old = gtk_notebook_get_current_page( widget );
  90
  91     if ( !notebook->SendPageChangingEvent(page) )
  92     {
  93         // program doesn't allow the page change
  94         g_signal_stop_emission_by_name(notebook->m_widget, "switch_page");
  95     }
  96     else
  97     {
  98         // the page change event also reports the old page
  99         notebook->m_oldSelection = old;
 100     }
 101 }
 102 }
 103
 104 extern "C" {
 105 static void gtk_notebook_page_changed_callback( GtkNotebook *widget,
 106                                                 GtkNotebookPage *WXUNUSED(gpage),
 107                                                 guint page,
 108                                                 wxNotebook *notebook )
 109 {
 110     int old = notebook->m_oldSelection;
 111     notebook->SendPageChangedEvent( old );
 112 }
 113 }
 114
 115 //-----------------------------------------------------------------------------
 116 // "size_allocate"
 117 //-----------------------------------------------------------------------------
 118
 119 extern "C" {
 120 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
 121 {
 122     if (g_isIdle)
 123         wxapp_install_idle_handler();
 124
 125     if ((win->m_x == alloc->x) &&
 126         (win->m_y == alloc->y) &&
 127         (win->m_width == alloc->width) &&
 128         (win->m_height == alloc->height))
 129     {
 130         return;
 131     }
 132
 133     win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
 134
 135     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call allocate
 136        here in order to make repositioning after resizing to take effect. */
 137     if ((gtk_major_version == 1) &&
 138         (gtk_minor_version == 2) &&
 139         (gtk_micro_version < 6) &&
 140         (win->m_wxwindow) &&
 141         (GTK_WIDGET_REALIZED(win->m_wxwindow)))
 142     {
 143         gtk_widget_size_allocate( win->m_wxwindow, alloc );
 144     }
 145 }
 146 }
 147
 148 //-----------------------------------------------------------------------------
 149 // "realize" from m_widget
 150 //-----------------------------------------------------------------------------
 151
 152 extern "C" {
 153 static void
 154 gtk_notebook_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win )
 155 {
 156     if (g_isIdle)
 157         wxapp_install_idle_handler();
 158
 159     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call a queue_resize
 160        here in order to make repositioning before showing to take effect. */
 161     gtk_widget_queue_resize( win->m_widget );
 162 }
 163 }
 164
 165 //-----------------------------------------------------------------------------
 166 // InsertChild callback for wxNotebook
 167 //-----------------------------------------------------------------------------
 168
 169 static void wxInsertChildInNotebook( wxNotebook* parent, wxWindow* child )
 170 {
 171     // Hack Alert! (Part I): This sets the notebook as the parent of the child
 172     // widget, and takes care of some details such as updating the state and
 173     // style of the child to reflect its new location.  We do this early
 174     // because without it GetBestSize (which is used to set the initial size
 175     // of controls if an explicit size is not given) will often report
 176     // incorrect sizes since the widget's style context is not fully known.
 177     // See bug #901694 for details
 178     // (http://sourceforge.net/tracker/?func=detail&aid=901694&group_id=9863&atid=109863)
 179     gtk_widget_set_parent(child->m_widget, parent->m_widget);
 180
 181     // NOTE: This should be considered a temporary workaround until we can
 182     // work out the details and implement delaying the setting of the initial
 183     // size of widgets until the size is really needed.
 184 }
 185
 186 //-----------------------------------------------------------------------------
 187 // wxNotebook
 188 //-----------------------------------------------------------------------------
 189
 190 IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)
 191
 192 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
 193     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
 194 END_EVENT_TABLE()
 195
 196 void wxNotebook::Init()
 197 {
 198     m_padding = 0;
 199
 200     m_imageList = (wxImageList *) NULL;
 201     m_oldSelection = -1;
 202     m_themeEnabled = true;
 203 }
 204
 205 wxNotebook::wxNotebook()
 206 {
 207     Init();
 208 }
 209
 210 wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id,
 211       const wxPoint& pos, const wxSize& size,
 212       long style, const wxString& name )
 213 {
 214     Init();
 215     Create( parent, id, pos, size, style, name );
 216 }
 217
 218 wxNotebook::~wxNotebook()
 219 {
 220     DeleteAllPages();
 221 }
 222
 223 bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
 224                         const wxPoint& pos, const wxSize& size,
 225                         long style, const wxString& name )
 226 {
 227     m_needParent = true;
 228     m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook;
 229
 230     if ( (style & wxBK_ALIGN_MASK) == wxBK_DEFAULT )
 231         style |= wxBK_TOP;
 232
 233     if (!PreCreation( parent, pos, size ) ||
 234         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 235     {
 236         wxFAIL_MSG( wxT("wxNoteBook creation failed") );
 237         return false;
 238     }
 239
 240
 241     m_widget = gtk_notebook_new();
 242
 243     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 244
 245     g_signal_connect (m_widget, "switch_page",
 246                       G_CALLBACK (gtk_notebook_page_changing_callback), this);
 247
 248     g_signal_connect_after (m_widget, "switch_page",
 249                       G_CALLBACK (gtk_notebook_page_changed_callback), this);
 250
 251     m_parent->DoAddChild( this );
 252
 253     if (m_windowStyle & wxBK_RIGHT)
 254         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
 255     if (m_windowStyle & wxBK_LEFT)
 256         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
 257     if (m_windowStyle & wxBK_BOTTOM)
 258         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
 259
 260     PostCreation(size);
 261
 262     g_signal_connect (m_widget, "realize",
 263                       G_CALLBACK (gtk_notebook_realized_callback), this);
 264
 265     return true;
 266 }
 267
 268 int wxNotebook::GetSelection() const
 269 {
 270     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 271
 272     return gtk_notebook_get_current_page( GTK_NOTEBOOK(m_widget) );
 273 }
 274
 275 wxString wxNotebook::GetPageText( size_t page ) const
 276 {
 277     wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid notebook") );
 278
 279     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 280     if (nb_page)
 281         return nb_page->m_text;
 282     else
 283         return wxEmptyString;
 284 }
 285
 286 int wxNotebook::GetPageImage( size_t page ) const
 287 {
 288     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 289
 290     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 291     if (nb_page)
 292         return nb_page->m_image;
 293     else
 294         return -1;
 295 }
 296
 297 wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const
 298 {
 299     wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") );
 300
 301     wxCHECK_MSG( page < (int)m_pagesData.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") );
 302
 303     return m_pagesData.Item(page)->GetData();
 304 }
 305
 306 int wxNotebook::DoSetSelection( size_t page, int flags )
 307 {
 308     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 309
 310     wxCHECK_MSG( page < m_pagesData.GetCount(), -1, wxT("invalid notebook index") );
 311
 312     int selOld = GetSelection();
 313
 314     if ( !(flags & SetSelection_SendEvent) )
 315     {
 316         g_signal_handlers_disconnect_by_func (m_widget,
 317                                              (gpointer) gtk_notebook_page_changing_callback,
 318                                              this);
 319
 320         g_signal_handlers_disconnect_by_func (m_widget,
 321                                              (gpointer) gtk_notebook_page_changed_callback,
 322                                              this);
 323     }
 324
 325     gtk_notebook_set_current_page( GTK_NOTEBOOK(m_widget), page );
 326
 327     if ( !(flags & SetSelection_SendEvent) )
 328     {
 329         // reconnect to signals
 330
 331         g_signal_connect (m_widget, "switch_page",
 332                           G_CALLBACK (gtk_notebook_page_changing_callback), this);
 333
 334         g_signal_connect_after (m_widget, "switch_page",
 335                       G_CALLBACK (gtk_notebook_page_changed_callback), this);
 336     }
 337
 338     wxNotebookPage *client = GetPage(page);
 339     if ( client )
 340         client->SetFocus();
 341
 342     return selOld;
 343 }
 344
 345 bool wxNotebook::SetPageText( size_t page, const wxString &text )
 346 {
 347     wxCHECK_MSG( m_widget != NULL, false, wxT("invalid notebook") );
 348
 349     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 350
 351     wxCHECK_MSG( nb_page, false, wxT("SetPageText: invalid page index") );
 352
 353     nb_page->m_text = text;
 354
 355     gtk_label_set_text( nb_page->m_label, wxGTK_CONV( nb_page->m_text ) );
 356
 357     return true;
 358 }
 359
 360 bool wxNotebook::SetPageImage( size_t page, int image )
 361 {
 362     /* HvdH 28-12-98: now it works, but it's a bit of a kludge */
 363
 364     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 365
 366     if (!nb_page) return false;
 367
 368     /* Optimization posibility: return immediately if image unchanged.
 369      * Not enabled because it may break existing (stupid) code that
 370      * manipulates the imagelist to cycle images */
 371
 372     /* if (image == nb_page->m_image) return true; */
 373
 374     /* For different cases:
 375        1) no image -> no image
 376        2) image -> no image
 377        3) no image -> image
 378        4) image -> image */
 379
 380     if (image == -1 && nb_page->m_image == -1)
 381         return true; /* Case 1): Nothing to do. */
 382
 383     GtkWidget *pixmapwid = (GtkWidget*) NULL;
 384
 385     if (nb_page->m_image != -1)
 386     {
 387         /* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */
 388
 389         GList *child = gtk_container_get_children(GTK_CONTAINER(nb_page->m_box));
 390         while (child)
 391         {
 392             if (GTK_IS_IMAGE(child->data))
 393             {
 394                 pixmapwid = GTK_WIDGET(child->data);
 395                 break;
 396             }
 397             child = child->next;
 398         }
 399
 400         /* We should have the pixmap widget now */
 401         wxASSERT(pixmapwid != NULL);
 402
 403         if (image == -1)
 404         {
 405             /* If there's no new widget, just remove the old from the box */
 406             gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid);
 407             nb_page->m_image = -1;
 408
 409             return true; /* Case 2) */
 410         }
 411     }
 412
 413     /* Only cases 3) and 4) left */
 414     wxASSERT( m_imageList != NULL ); /* Just in case */
 415
 416     /* Construct the new pixmap */
 417     const wxBitmap *bmp = m_imageList->GetBitmapPtr(image);
 418
 419     if (pixmapwid == NULL)
 420     {
 421         /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */
 422         pixmapwid = gtk_image_new_from_pixbuf(bmp->GetPixbuf());
 423
 424         /* CHECKME: Are these pack flags okay? */
 425         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 426         gtk_widget_show(pixmapwid);
 427     }
 428     else
 429     {
 430         /* Case 4) Simply replace the pixmap */
 431         gtk_image_set_from_pixbuf((GtkImage*)pixmapwid, bmp->GetPixbuf());
 432     }
 433
 434     nb_page->m_image = image;
 435
 436     return true;
 437 }
 438
 439 void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) )
 440 {
 441     wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
 442 }
 443
 444 void wxNotebook::SetPadding( const wxSize &padding )
 445 {
 446     wxCHECK_RET( m_widget != NULL, wxT("invalid notebook") );
 447
 448     m_padding = padding.GetWidth();
 449
 450     int i;
 451     for (i=0; i<int(GetPageCount()); i++)
 452     {
 453         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 454         wxASSERT(nb_page != NULL);
 455
 456         if (nb_page->m_image != -1)
 457         {
 458             // gtk_box_set_child_packing sets padding on BOTH sides
 459             // icon provides left padding, label provides center and right
 460             int image = nb_page->m_image;
 461             SetPageImage(i,-1);
 462             SetPageImage(i,image);
 463         }
 464         wxASSERT(nb_page->m_label);
 465         gtk_box_set_child_packing(GTK_BOX(nb_page->m_box),
 466                                   GTK_WIDGET(nb_page->m_label),
 467                                   FALSE, FALSE, m_padding, GTK_PACK_END);
 468     }
 469 }
 470
 471 void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
 472 {
 473     wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
 474 }
 475
 476 bool wxNotebook::DeleteAllPages()
 477 {
 478     wxCHECK_MSG( m_widget != NULL, false, wxT("invalid notebook") );
 479
 480     while (m_pagesData.GetCount() > 0)
 481         DeletePage( m_pagesData.GetCount()-1 );
 482
 483     wxASSERT_MSG( GetPageCount() == 0, _T("all pages must have been deleted") );
 484
 485     InvalidateBestSize();
 486     return wxNotebookBase::DeleteAllPages();
 487 }
 488
 489 wxNotebookPage *wxNotebook::DoRemovePage( size_t page )
 490 {
 491     wxNotebookPage *client = wxNotebookBase::DoRemovePage(page);
 492     if ( !client )
 493         return NULL;
 494
 495     gtk_widget_ref( client->m_widget );
 496     gtk_widget_unrealize( client->m_widget );
 497
 498     // we don't need to unparent the client->m_widget; GTK+ will do
 499     // that for us (and will throw a warning if we do it!)
 500
 501     gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
 502
 503     wxGtkNotebookPage* p = GetNotebookPage(page);
 504     m_pagesData.DeleteObject(p);
 505     delete p;
 506
 507     return client;
 508 }
 509
 510 bool wxNotebook::InsertPage( size_t position,
 511                              wxNotebookPage* win,
 512                              const wxString& text,
 513                              bool select,
 514                              int imageId )
 515 {
 516     wxCHECK_MSG( m_widget != NULL, false, wxT("invalid notebook") );
 517
 518     wxCHECK_MSG( win->GetParent() == this, false,
 519                wxT("Can't add a page whose parent is not the notebook!") );
 520
 521     wxCHECK_MSG( position <= GetPageCount(), false,
 522                  _T("invalid page index in wxNotebookPage::InsertPage()") );
 523
 524     // Hack Alert! (Part II): See above in wxInsertChildInNotebook callback
 525     // why this has to be done.  NOTE: using gtk_widget_unparent here does not
 526     // work as it seems to undo too much and will cause errors in the
 527     // gtk_notebook_insert_page below, so instead just clear the parent by
 528     // hand here.
 529     win->m_widget->parent = NULL;
 530
 531     if (m_themeEnabled)
 532         win->SetThemeEnabled(true);
 533
 534     GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 535
 536     wxGtkNotebookPage *nb_page = new wxGtkNotebookPage();
 537
 538     if ( position == GetPageCount() )
 539         m_pagesData.Append( nb_page );
 540     else
 541         m_pagesData.Insert( position, nb_page );
 542
 543     m_pages.Insert(win, position);
 544
 545     nb_page->m_box = gtk_hbox_new( FALSE, 1 );
 546     gtk_container_set_border_width((GtkContainer*)nb_page->m_box, 2);
 547
 548     g_signal_connect (win->m_widget, "size_allocate",
 549                       G_CALLBACK (gtk_page_size_callback), win);
 550
 551     gtk_notebook_insert_page( notebook, win->m_widget, nb_page->m_box, position );
 552
 553     nb_page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;
 554
 555     /* set the label image */
 556     nb_page->m_image = imageId;
 557
 558     if (imageId != -1)
 559     {
 560         wxASSERT( m_imageList != NULL );
 561
 562         const wxBitmap *bmp = m_imageList->GetBitmapPtr(imageId);
 563         GtkWidget* pixmapwid = gtk_image_new_from_pixbuf(bmp->GetPixbuf());
 564         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 565         gtk_widget_show(pixmapwid);
 566     }
 567
 568     /* set the label text */
 569
 570     nb_page->m_text = wxStripMenuCodes(text);
 571     if (nb_page->m_text.empty()) nb_page->m_text = wxEmptyString;
 572
 573     nb_page->m_label = GTK_LABEL( gtk_label_new(wxGTK_CONV(nb_page->m_text)) );
 574     gtk_box_pack_end( GTK_BOX(nb_page->m_box), GTK_WIDGET(nb_page->m_label), FALSE, FALSE, m_padding );
 575
 576     /* apply current style */
 577     GtkRcStyle *style = CreateWidgetStyle();
 578     if ( style )
 579     {
 580         gtk_widget_modify_style(GTK_WIDGET(nb_page->m_label), style);
 581         gtk_rc_style_unref(style);
 582     }
 583
 584     /* show the label */
 585     gtk_widget_show( GTK_WIDGET(nb_page->m_label) );
 586
 587     if (select && (m_pagesData.GetCount() > 1))
 588     {
 589         SetSelection( position );
 590     }
 591
 592     InvalidateBestSize();
 593     return true;
 594 }
 595
 596 // helper for HitTest(): check if the point lies inside the given widget which
 597 // is the child of the notebook whose position and border size are passed as
 598 // parameters
 599 static bool
 600 IsPointInsideWidget(const wxPoint& pt, GtkWidget *w,
 601                     gint x, gint y, gint border = 0)
 602 {
 603     return
 604         (pt.x >= w->allocation.x - x - border) &&
 605         (pt.x <= w->allocation.x - x + border + w->allocation.width) &&
 606         (pt.y >= w->allocation.y - y - border) &&
 607         (pt.y <= w->allocation.y - y + border + w->allocation.height);
 608 }
 609
 610 int wxNotebook::HitTest(const wxPoint& pt, long *flags) const
 611 {
 612     const gint x = m_widget->allocation.x;
 613     const gint y = m_widget->allocation.y;
 614
 615     const size_t count = GetPageCount();
 616     size_t i = 0;
 617
 618     GtkNotebook * notebook = GTK_NOTEBOOK(m_widget);
 619     if (gtk_notebook_get_scrollable(notebook))
 620         i = g_list_position( notebook->children, notebook->first_tab );
 621
 622     for ( ; i < count; i++ )
 623     {
 624         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 625         GtkWidget *box = nb_page->m_box;
 626
 627         const gint border = gtk_container_get_border_width(GTK_CONTAINER(box));
 628
 629         if ( IsPointInsideWidget(pt, box, x, y, border) )
 630         {
 631             // ok, we're inside this tab -- now find out where, if needed
 632             if ( flags )
 633             {
 634                 GtkWidget *pixmap = NULL;
 635
 636                 GList *children = gtk_container_get_children(GTK_CONTAINER(box));
 637                 for ( GList *child = children; child; child = child->next )
 638                 {
 639                     if (GTK_IS_IMAGE(child->data))
 640                     {
 641                         pixmap = GTK_WIDGET(child->data);
 642                         break;
 643                     }
 644                 }
 645
 646                 if ( children )
 647                     g_list_free(children);
 648
 649                 if ( pixmap && IsPointInsideWidget(pt, pixmap, x, y) )
 650                 {
 651                     *flags = wxBK_HITTEST_ONICON;
 652                 }
 653                 else if ( IsPointInsideWidget(pt, GTK_WIDGET(nb_page->m_label), x, y) )
 654                 {
 655                     *flags = wxBK_HITTEST_ONLABEL;
 656                 }
 657                 else
 658                 {
 659                     *flags = wxBK_HITTEST_ONITEM;
 660                 }
 661             }
 662
 663             return i;
 664         }
 665     }
 666
 667     if ( flags )
 668     {
 669         *flags = wxBK_HITTEST_NOWHERE;
 670         wxWindowBase * page = GetCurrentPage();
 671         if ( page )
 672         {
 673             // rect origin is in notebook's parent coordinates
 674             wxRect rect = page->GetRect();
 675
 676             // adjust it to the notebook's coordinates
 677             wxPoint pos = GetPosition();
 678             rect.x -= pos.x;
 679             rect.y -= pos.y;
 680             if ( rect.Contains( pt ) )
 681                 *flags |= wxBK_HITTEST_ONPAGE;
 682         }
 683     }
 684
 685     return wxNOT_FOUND;
 686 }
 687
 688 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 689 {
 690     if (event.IsWindowChange())
 691         AdvanceSelection( event.GetDirection() );
 692     else
 693         event.Skip();
 694 }
 695
 696 #if wxUSE_CONSTRAINTS
 697
 698 // override these 2 functions to do nothing: everything is done in OnSize
 699 void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
 700 {
 701     // don't set the sizes of the pages - their correct size is not yet known
 702     wxControl::SetConstraintSizes(false);
 703 }
 704
 705 bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
 706 {
 707     return true;
 708 }
 709
 710 #endif
 711
 712 void wxNotebook::DoApplyWidgetStyle(GtkRcStyle *style)
 713 {
 714     gtk_widget_modify_style(m_widget, style);
 715     size_t cnt = m_pagesData.GetCount();
 716     for (size_t i = 0; i < cnt; i++)
 717         gtk_widget_modify_style(GTK_WIDGET(GetNotebookPage(i)->m_label), style);
 718 }
 719
 720 GdkWindow *wxNotebook::GTKGetWindow(wxArrayGdkWindows& windows) const
 721 {
 722     windows.push_back(m_widget->window);
 723     windows.push_back(GTK_NOTEBOOK(m_widget)->event_window);
 724
 725     return NULL;
 726 }
 727
 728 // static
 729 wxVisualAttributes
 730 wxNotebook::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 731 {
 732     return GetDefaultAttributesFromGTKWidget(gtk_notebook_new);
 733 }
 734
 735 //-----------------------------------------------------------------------------
 736 // wxNotebookEvent
 737 //-----------------------------------------------------------------------------
 738
 739 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 740
 741 #endif