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