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