src/gtk/notebook.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        notebook.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling, Vadim Zeitlin
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation "notebook.h"
  12 #endif
  13
  14 #include "wx/notebook.h"
  15
  16 #if wxUSE_NOTEBOOK
  17
  18 #include "wx/panel.h"
  19 #include "wx/utils.h"
  20 #include "wx/imaglist.h"
  21 #include "wx/intl.h"
  22 #include "wx/log.h"
  23
  24 #include <gdk/gdk.h>
  25 #include <gtk/gtk.h>
  26 #include "wx/gtk/win_gtk.h"
  27 #include <gdk/gdkkeysyms.h>
  28
  29 //-----------------------------------------------------------------------------
  30 // idle system
  31 //-----------------------------------------------------------------------------
  32
  33 extern void wxapp_install_idle_handler();
  34 extern bool g_isIdle;
  35
  36 //-----------------------------------------------------------------------------
  37 // data
  38 //-----------------------------------------------------------------------------
  39
  40 extern bool   g_blockEventsOnDrag;
  41
  42 //-----------------------------------------------------------------------------
  43 // debug
  44 //-----------------------------------------------------------------------------
  45
  46 #ifdef __WXDEBUG__
  47
  48 extern void debug_focus_in( GtkWidget* widget, const wxChar* name, const wxChar *window );
  49
  50 #endif
  51
  52 //-----------------------------------------------------------------------------
  53 // wxGtkNotebookPage
  54 //-----------------------------------------------------------------------------
  55
  56 class wxGtkNotebookPage: public wxObject
  57 {
  58 public:
  59   wxGtkNotebookPage()
  60   {
  61     m_text = "";
  62     m_image = -1;
  63     m_page = (GtkNotebookPage *) NULL;
  64     m_client = (wxNotebookPage *) NULL;
  65     m_box = (GtkWidget *) NULL;
  66   }
  67
  68   wxString           m_text;
  69   int                m_image;
  70   GtkNotebookPage   *m_page;
  71   GtkLabel          *m_label;
  72   wxNotebookPage    *m_client;
  73   GtkWidget         *m_box;     // in which the label and image are packed
  74 };
  75
  76 //-----------------------------------------------------------------------------
  77 // "switch_page"
  78 //-----------------------------------------------------------------------------
  79
  80 static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
  81                                               GtkNotebookPage *WXUNUSED(page),
  82                                               gint page,
  83                                               wxNotebook *notebook )
  84 {
  85     if (g_isIdle)
  86         wxapp_install_idle_handler();
  87
  88     int old = notebook->GetSelection();
  89
  90     wxNotebookEvent event1( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING,
  91                             notebook->GetId(), page, old );
  92     event1.SetEventObject( notebook );
  93
  94     if ((notebook->GetEventHandler()->ProcessEvent( event1 )) &&
  95         !event1.IsAllowed() )
  96     {
  97         /* program doesn't allow the page change */
  98         gtk_signal_emit_stop_by_name( GTK_OBJECT(notebook->m_widget), "switch_page" );
  99         return;
 100     }
 101
 102     wxNotebookEvent event2( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED,
 103                             notebook->GetId(), page, old );
 104     event2.SetEventObject( notebook );
 105     notebook->GetEventHandler()->ProcessEvent( event2 );
 106 }
 107
 108 //-----------------------------------------------------------------------------
 109 // "size_allocate"
 110 //-----------------------------------------------------------------------------
 111
 112 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
 113 {
 114     if (g_isIdle)
 115         wxapp_install_idle_handler();
 116
 117     if ((win->m_x == alloc->x) &&
 118         (win->m_y == alloc->y) &&
 119         (win->m_width == alloc->width) &&
 120         (win->m_height == alloc->height))
 121     {
 122         return;
 123     }
 124
 125     win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
 126
 127     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call allocate
 128        here in order to make repositioning after resizing to take effect. */
 129     if ((gtk_major_version == 1) &&
 130         (gtk_minor_version == 2) &&
 131         (gtk_micro_version < 6) &&
 132         (win->m_wxwindow) &&
 133         (GTK_WIDGET_REALIZED(win->m_wxwindow)))
 134     {
 135         gtk_widget_size_allocate( win->m_wxwindow, alloc );
 136     }
 137 }
 138
 139 //-----------------------------------------------------------------------------
 140 // "realize" from m_widget
 141 //-----------------------------------------------------------------------------
 142
 143 static gint
 144 gtk_notebook_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win )
 145 {
 146     if (g_isIdle)
 147         wxapp_install_idle_handler();
 148
 149     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call a queue_resize
 150        here in order to make repositioning before showing to take effect. */
 151     gtk_widget_queue_resize( win->m_widget );
 152
 153     return FALSE;
 154 }
 155
 156 //-----------------------------------------------------------------------------
 157 // "key_press_event"
 158 //-----------------------------------------------------------------------------
 159
 160 static gint gtk_notebook_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxNotebook *win )
 161 {
 162     if (g_isIdle)
 163         wxapp_install_idle_handler();
 164
 165     if (!win->m_hasVMT) return FALSE;
 166     if (g_blockEventsOnDrag) return FALSE;
 167
 168     /* win is a control: tab can be propagated up */
 169     if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
 170     {
 171         wxNode *node = win->m_pages.Nth( win->GetSelection() );
 172         if (!node) return FALSE;
 173
 174         wxGtkNotebookPage *page = (wxGtkNotebookPage*) node->Data();
 175
 176         wxNavigationKeyEvent event;
 177         event.SetEventObject( win );
 178         /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
 179         event.SetDirection( (gdk_event->keyval == GDK_Tab) );
 180         /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
 181         event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
 182         event.SetCurrentFocus( win );
 183         if (!page->m_client->GetEventHandler()->ProcessEvent( event ))
 184         {
 185              page->m_client->SetFocus();
 186         }
 187
 188         gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
 189         return TRUE;
 190     }
 191
 192     return FALSE;
 193 }
 194
 195 //-----------------------------------------------------------------------------
 196 // InsertChild callback for wxNotebook
 197 //-----------------------------------------------------------------------------
 198
 199 static void wxInsertChildInNotebook( wxNotebook* WXUNUSED(parent), wxWindow* WXUNUSED(child) )
 200 {
 201     /* we don't do anything here but pray */
 202 }
 203
 204 //-----------------------------------------------------------------------------
 205 // wxNotebook
 206 //-----------------------------------------------------------------------------
 207
 208 IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)
 209
 210 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
 211     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
 212 END_EVENT_TABLE()
 213
 214 void wxNotebook::Init()
 215 {
 216     m_imageList = (wxImageList *) NULL;
 217     m_pages.DeleteContents( TRUE );
 218     m_lastSelection = -1;
 219     m_themeEnabled = TRUE;
 220 }
 221
 222 wxNotebook::wxNotebook()
 223 {
 224     Init();
 225 }
 226
 227 wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id,
 228       const wxPoint& pos, const wxSize& size,
 229       long style, const wxString& name )
 230 {
 231     Init();
 232     Create( parent, id, pos, size, style, name );
 233 }
 234
 235 wxNotebook::~wxNotebook()
 236 {
 237     /* don't generate change page events any more */
 238     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 239       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 240
 241     DeleteAllPages();
 242 }
 243
 244 bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
 245       const wxPoint& pos, const wxSize& size,
 246       long style, const wxString& name )
 247 {
 248     m_needParent = TRUE;
 249     m_acceptsFocus = TRUE;
 250     m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook;
 251
 252     if (!PreCreation( parent, pos, size ) ||
 253         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 254     {
 255         wxFAIL_MSG( wxT("wxNoteBook creation failed") );
 256         return FALSE;
 257     }
 258
 259
 260     m_widget = gtk_notebook_new();
 261
 262 #ifdef __WXDEBUG__
 263     debug_focus_in( m_widget, wxT("wxNotebook::m_widget"), name );
 264 #endif
 265
 266     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 267
 268     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 269       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 270
 271     m_parent->DoAddChild( this );
 272
 273     if (m_windowStyle & wxNB_RIGHT)
 274         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
 275     if (m_windowStyle & wxNB_LEFT)
 276         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
 277     if (m_windowStyle & wxNB_BOTTOM)
 278         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
 279
 280     gtk_signal_connect( GTK_OBJECT(m_widget), "key_press_event",
 281       GTK_SIGNAL_FUNC(gtk_notebook_key_press_callback), (gpointer)this );
 282
 283     PostCreation();
 284
 285     SetFont( parent->GetFont() );
 286
 287     gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
 288                             GTK_SIGNAL_FUNC(gtk_notebook_realized_callback), (gpointer) this );
 289
 290     Show( TRUE );
 291
 292     return TRUE;
 293 }
 294
 295 int wxNotebook::GetSelection() const
 296 {
 297     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 298
 299     GList *pages = GTK_NOTEBOOK(m_widget)->children;
 300
 301     if (g_list_length(pages) == 0) return -1;
 302
 303     GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 304
 305     if (notebook->cur_page == NULL) return m_lastSelection;
 306
 307     return g_list_index( pages, (gpointer)(notebook->cur_page) );
 308 }
 309
 310 int wxNotebook::GetPageCount() const
 311 {
 312     return (int) g_list_length( GTK_NOTEBOOK(m_widget)->children );
 313 }
 314
 315 int wxNotebook::GetRowCount() const
 316 {
 317     return 1;
 318 }
 319
 320 wxString wxNotebook::GetPageText( int page ) const
 321 {
 322     wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid notebook") );
 323
 324     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 325     if (nb_page)
 326         return nb_page->m_text;
 327     else
 328         return wxT("");
 329 }
 330
 331 int wxNotebook::GetPageImage( int page ) const
 332 {
 333     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 334
 335     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 336     if (nb_page)
 337         return nb_page->m_image;
 338     else
 339         return -1;
 340 }
 341
 342 wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const
 343 {
 344     wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") );
 345
 346     wxCHECK_MSG( page < (int)m_pages.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") );
 347
 348     wxNode *node = m_pages.Nth( page );
 349
 350     return (wxGtkNotebookPage *) node->Data();
 351 }
 352
 353 int wxNotebook::SetSelection( int page )
 354 {
 355     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 356
 357     wxCHECK_MSG( page < (int)m_pages.GetCount(), -1, wxT("invalid notebook index") );
 358
 359     int selOld = GetSelection();
 360
 361     gtk_notebook_set_page( GTK_NOTEBOOK(m_widget), page );
 362
 363     wxGtkNotebookPage* g_page = GetNotebookPage( page );
 364     if (g_page->m_client)
 365         g_page->m_client->SetFocus();
 366
 367     return selOld;
 368 }
 369
 370 void wxNotebook::AdvanceSelection( bool forward )
 371 {
 372     wxCHECK_RET( m_widget != NULL, wxT("invalid notebook") );
 373
 374     int max = GetPageCount();
 375     if ( !max )
 376     {
 377         // nothing to do with empty notebook
 378         return;
 379     }
 380
 381     int sel = GetSelection();
 382
 383     if (forward)
 384         SetSelection( sel == max - 1 ? 0 : sel + 1 );
 385     else
 386         SetSelection( sel == 0 ? max - 1 : sel - 1 );
 387 }
 388
 389 void wxNotebook::SetImageList( wxImageList* imageList )
 390 {
 391     m_imageList = imageList;
 392 }
 393
 394 bool wxNotebook::SetPageText( int page, const wxString &text )
 395 {
 396     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 397
 398     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 399
 400     wxCHECK_MSG( nb_page, FALSE, wxT("SetPageText: invalid page index") );
 401
 402     nb_page->m_text = text;
 403
 404     gtk_label_set( nb_page->m_label, nb_page->m_text.mbc_str() );
 405
 406     return TRUE;
 407 }
 408
 409 bool wxNotebook::SetPageImage( int page, int image )
 410 {
 411     /* HvdH 28-12-98: now it works, but it's a bit of a kludge */
 412
 413     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 414
 415     if (!nb_page) return FALSE;
 416
 417     /* Optimization posibility: return immediately if image unchanged.
 418      * Not enabled because it may break existing (stupid) code that
 419      * manipulates the imagelist to cycle images */
 420
 421     /* if (image == nb_page->m_image) return TRUE; */
 422
 423     /* For different cases:
 424        1) no image -> no image
 425        2) image -> no image
 426        3) no image -> image
 427        4) image -> image */
 428
 429     if (image == -1 && nb_page->m_image == -1)
 430         return TRUE; /* Case 1): Nothing to do. */
 431
 432     GtkWidget *pixmapwid = (GtkWidget*) NULL;
 433
 434     if (nb_page->m_image != -1)
 435     {
 436         /* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */
 437
 438         GList *child = gtk_container_children(GTK_CONTAINER(nb_page->m_box));
 439         while (child)
 440         {
 441             if (GTK_IS_PIXMAP(child->data))
 442             {
 443                 pixmapwid = GTK_WIDGET(child->data);
 444                 break;
 445             }
 446             child = child->next;
 447         }
 448
 449         /* We should have the pixmap widget now */
 450         wxASSERT(pixmapwid != NULL);
 451
 452         if (image == -1)
 453         {
 454             /* If there's no new widget, just remove the old from the box */
 455             gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid);
 456             nb_page->m_image = -1;
 457
 458             return TRUE; /* Case 2) */
 459         }
 460     }
 461
 462     /* Only cases 3) and 4) left */
 463     wxASSERT( m_imageList != NULL ); /* Just in case */
 464
 465     /* Construct the new pixmap */
 466     const wxBitmap *bmp = m_imageList->GetBitmap(image);
 467     GdkPixmap *pixmap = bmp->GetPixmap();
 468     GdkBitmap *mask = (GdkBitmap*) NULL;
 469     if ( bmp->GetMask() )
 470     {
 471         mask = bmp->GetMask()->GetBitmap();
 472     }
 473
 474     if (pixmapwid == NULL)
 475     {
 476         /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */
 477         pixmapwid = gtk_pixmap_new (pixmap, mask );
 478
 479         /* CHECKME: Are these pack flags okay? */
 480         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, 3);
 481         gtk_widget_show(pixmapwid);
 482     }
 483     else
 484     {
 485         /* Case 4) Simply replace the pixmap */
 486         gtk_pixmap_set(GTK_PIXMAP(pixmapwid), pixmap, mask);
 487     }
 488
 489     nb_page->m_image = image;
 490
 491     return TRUE;
 492 }
 493
 494 void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) )
 495 {
 496     wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
 497 }
 498
 499 void wxNotebook::SetPadding( const wxSize &WXUNUSED(padding) )
 500 {
 501     wxFAIL_MSG( wxT("wxNotebook::SetPadding not implemented") );
 502 }
 503
 504 void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
 505 {
 506     wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
 507 }
 508
 509 bool wxNotebook::DeleteAllPages()
 510 {
 511     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 512
 513     while (m_pages.GetCount() > 0)
 514         DeletePage( m_pages.GetCount()-1 );
 515
 516     return TRUE;
 517 }
 518
 519 bool wxNotebook::DeletePage( int page )
 520 {
 521     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 522     if (!nb_page) return FALSE;
 523
 524     /* GTK sets GtkNotebook.cur_page to NULL before sending
 525        the switch page event */
 526     m_lastSelection = GetSelection();
 527
 528     nb_page->m_client->Destroy();
 529     m_pages.DeleteObject( nb_page );
 530
 531     m_lastSelection = -1;
 532
 533     return TRUE;
 534 }
 535
 536 bool wxNotebook::RemovePage( int page )
 537 {
 538     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 539
 540     wxCHECK_MSG( nb_page, FALSE, _T("wxNotebook::RemovePage: invalid page") );
 541
 542     gtk_widget_ref( nb_page->m_client->m_widget );
 543     gtk_widget_unrealize( nb_page->m_client->m_widget );
 544     gtk_widget_unparent( nb_page->m_client->m_widget );
 545
 546     gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
 547
 548     m_pages.DeleteObject( nb_page );
 549
 550     return TRUE;
 551 }
 552
 553 bool wxNotebook::InsertPage( int position, wxNotebookPage* win, const wxString& text,
 554                              bool select, int imageId )
 555 {
 556     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 557
 558     wxCHECK_MSG( win->GetParent() == this, FALSE,
 559                wxT("Can't add a page whose parent is not the notebook!") );
 560
 561     /* don't receive switch page during addition */
 562     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 563       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 564
 565     if (m_themeEnabled)
 566         win->SetThemeEnabled(TRUE);
 567
 568     GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 569
 570     wxGtkNotebookPage *page = new wxGtkNotebookPage();
 571
 572     if (position < 0)
 573         m_pages.Append( page );
 574     else
 575         m_pages.Insert( m_pages.Nth( position ), page );
 576
 577     page->m_client = win;
 578
 579     page->m_box = gtk_hbox_new( FALSE, 0 );
 580     gtk_container_border_width( GTK_CONTAINER(page->m_box), 2 );
 581
 582     gtk_signal_connect( GTK_OBJECT(win->m_widget), "size_allocate",
 583       GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)win );
 584
 585     if (position < 0)
 586         gtk_notebook_append_page( notebook, win->m_widget, page->m_box );
 587     else
 588         gtk_notebook_insert_page( notebook, win->m_widget, page->m_box, position );
 589
 590     page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;
 591
 592     /* set the label image */
 593     page->m_image = imageId;
 594
 595     if (imageId != -1)
 596     {
 597         wxASSERT( m_imageList != NULL );
 598
 599         const wxBitmap *bmp = m_imageList->GetBitmap(imageId);
 600         GdkPixmap *pixmap = bmp->GetPixmap();
 601         GdkBitmap *mask = (GdkBitmap*) NULL;
 602         if ( bmp->GetMask() )
 603         {
 604             mask = bmp->GetMask()->GetBitmap();
 605         }
 606
 607         GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );
 608
 609         gtk_box_pack_start(GTK_BOX(page->m_box), pixmapwid, FALSE, FALSE, 3);
 610
 611         gtk_widget_show(pixmapwid);
 612     }
 613
 614     /* set the label text */
 615     page->m_text = text;
 616     if (page->m_text.IsEmpty()) page->m_text = wxT("");
 617
 618     page->m_label = GTK_LABEL( gtk_label_new(page->m_text.mbc_str()) );
 619     gtk_box_pack_end( GTK_BOX(page->m_box), GTK_WIDGET(page->m_label), FALSE, FALSE, 3 );
 620
 621     /* show the label */
 622     gtk_widget_show( GTK_WIDGET(page->m_label) );
 623
 624     if (select && (m_pages.GetCount() > 1))
 625     {
 626         if (position < 0)
 627             SetSelection( GetPageCount()-1 );
 628         else
 629             SetSelection( position );
 630     }
 631
 632     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 633       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 634
 635     return TRUE;
 636 }
 637
 638 bool wxNotebook::AddPage(wxNotebookPage* win, const wxString& text,
 639                          bool select, int imageId)
 640 {
 641     return InsertPage( -1, win, text, select, imageId );
 642 }
 643
 644 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 645 {
 646     if (event.IsWindowChange())
 647         AdvanceSelection( event.GetDirection() );
 648     else
 649         event.Skip();
 650 }
 651
 652 wxNotebookPage *wxNotebook::GetPage( int page ) const
 653 {
 654     wxCHECK_MSG( m_widget != NULL, (wxWindow*) NULL, wxT("invalid notebook") );
 655
 656     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 657     if (!nb_page)
 658         return (wxNotebookPage *) NULL;
 659     else
 660         return nb_page->m_client;
 661 }
 662
 663 #if wxUSE_CONSTRAINTS
 664
 665 // override these 2 functions to do nothing: everything is done in OnSize
 666 void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
 667 {
 668     // don't set the sizes of the pages - their correct size is not yet known
 669     wxControl::SetConstraintSizes(FALSE);
 670 }
 671
 672 bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
 673 {
 674     return TRUE;
 675 }
 676
 677 #endif
 678
 679 void wxNotebook::ApplyWidgetStyle()
 680 {
 681     // TODO, font for labels etc
 682
 683     SetWidgetStyle();
 684     gtk_widget_set_style( m_widget, m_widgetStyle );
 685 }
 686
 687 bool wxNotebook::IsOwnGtkWindow( GdkWindow *window )
 688 {
 689     return ((m_widget->window == window) ||
 690             (GTK_NOTEBOOK(m_widget)->panel == window));
 691 }
 692
 693 //-----------------------------------------------------------------------------
 694 // wxNotebookEvent
 695 //-----------------------------------------------------------------------------
 696
 697 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 698
 699 #endif