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 // events
  31 // ----------------------------------------------------------------------------
  32
  33 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
  34 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
  35
  36 //-----------------------------------------------------------------------------
  37 // idle system
  38 //-----------------------------------------------------------------------------
  39
  40 extern void wxapp_install_idle_handler();
  41 extern bool g_isIdle;
  42
  43 //-----------------------------------------------------------------------------
  44 // data
  45 //-----------------------------------------------------------------------------
  46
  47 extern bool   g_blockEventsOnDrag;
  48
  49 //-----------------------------------------------------------------------------
  50 // debug
  51 //-----------------------------------------------------------------------------
  52
  53 #ifdef __WXDEBUG__
  54
  55 extern void debug_focus_in( GtkWidget* widget, const wxChar* name, const wxChar *window );
  56
  57 #endif
  58
  59 //-----------------------------------------------------------------------------
  60 // wxGtkNotebookPage
  61 //-----------------------------------------------------------------------------
  62
  63 class wxGtkNotebookPage: public wxObject
  64 {
  65 public:
  66   wxGtkNotebookPage()
  67   {
  68     m_text = "";
  69     m_image = -1;
  70     m_page = (GtkNotebookPage *) NULL;
  71     m_client = (wxNotebookPage *) NULL;
  72     m_box = (GtkWidget *) NULL;
  73   }
  74
  75   wxString           m_text;
  76   int                m_image;
  77   GtkNotebookPage   *m_page;
  78   GtkLabel          *m_label;
  79   wxNotebookPage    *m_client;
  80   GtkWidget         *m_box;     // in which the label and image are packed
  81 };
  82
  83 //-----------------------------------------------------------------------------
  84 // "switch_page"
  85 //-----------------------------------------------------------------------------
  86
  87 static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
  88                                               GtkNotebookPage *WXUNUSED(page),
  89                                               gint page,
  90                                               wxNotebook *notebook )
  91 {
  92     static bool s_inPageChange = FALSE;
  93
  94     // are you trying to call SetSelection() from a notebook event handler?
  95     // you shouldn't!
  96     wxCHECK_RET( !s_inPageChange,
  97                  _T("gtk_notebook_page_change_callback reentered") );
  98
  99     s_inPageChange = TRUE;
 100     if (g_isIdle)
 101         wxapp_install_idle_handler();
 102
 103     int old = notebook->GetSelection();
 104
 105     wxNotebookEvent eventChanging( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING,
 106                                    notebook->GetId(), page, old );
 107     eventChanging.SetEventObject( notebook );
 108
 109     if ( (notebook->GetEventHandler()->ProcessEvent(eventChanging)) &&
 110          !eventChanging.IsAllowed() )
 111     {
 112         /* program doesn't allow the page change */
 113         gtk_signal_emit_stop_by_name( GTK_OBJECT(notebook->m_widget),
 114                                       "switch_page" );
 115     }
 116     else // change allowed
 117     {
 118         // make wxNotebook::GetSelection() return the correct (i.e. consistent
 119         // with wxNotebookEvent::GetSelection()) value even though the page is
 120         // not really changed in GTK+
 121         notebook->m_selection = page;
 122
 123         wxNotebookEvent eventChanged( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED,
 124                                       notebook->GetId(), page, old );
 125         eventChanged.SetEventObject( notebook );
 126         notebook->GetEventHandler()->ProcessEvent( eventChanged );
 127     }
 128
 129     s_inPageChange = FALSE;
 130 }
 131
 132 //-----------------------------------------------------------------------------
 133 // "size_allocate"
 134 //-----------------------------------------------------------------------------
 135
 136 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
 137 {
 138     if (g_isIdle)
 139         wxapp_install_idle_handler();
 140
 141     if ((win->m_x == alloc->x) &&
 142         (win->m_y == alloc->y) &&
 143         (win->m_width == alloc->width) &&
 144         (win->m_height == alloc->height))
 145     {
 146         return;
 147     }
 148
 149     win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
 150
 151     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call allocate
 152        here in order to make repositioning after resizing to take effect. */
 153     if ((gtk_major_version == 1) &&
 154         (gtk_minor_version == 2) &&
 155         (gtk_micro_version < 6) &&
 156         (win->m_wxwindow) &&
 157         (GTK_WIDGET_REALIZED(win->m_wxwindow)))
 158     {
 159         gtk_widget_size_allocate( win->m_wxwindow, alloc );
 160     }
 161 }
 162
 163 //-----------------------------------------------------------------------------
 164 // "realize" from m_widget
 165 //-----------------------------------------------------------------------------
 166
 167 static gint
 168 gtk_notebook_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win )
 169 {
 170     if (g_isIdle)
 171         wxapp_install_idle_handler();
 172
 173     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call a queue_resize
 174        here in order to make repositioning before showing to take effect. */
 175     gtk_widget_queue_resize( win->m_widget );
 176
 177     return FALSE;
 178 }
 179
 180 //-----------------------------------------------------------------------------
 181 // "key_press_event"
 182 //-----------------------------------------------------------------------------
 183
 184 static gint gtk_notebook_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxNotebook *win )
 185 {
 186     if (g_isIdle)
 187         wxapp_install_idle_handler();
 188
 189     if (!win->m_hasVMT) return FALSE;
 190     if (g_blockEventsOnDrag) return FALSE;
 191
 192     /* win is a control: tab can be propagated up */
 193     if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
 194     {
 195         wxNode *node = win->m_pages.Nth( win->GetSelection() );
 196         if (!node) return FALSE;
 197
 198         wxGtkNotebookPage *page = (wxGtkNotebookPage*) node->Data();
 199
 200         wxNavigationKeyEvent event;
 201         event.SetEventObject( win );
 202         /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
 203         event.SetDirection( (gdk_event->keyval == GDK_Tab) );
 204         /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
 205         event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
 206         event.SetCurrentFocus( win );
 207         if (!page->m_client->GetEventHandler()->ProcessEvent( event ))
 208         {
 209              page->m_client->SetFocus();
 210         }
 211
 212         gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
 213         return TRUE;
 214     }
 215
 216     return FALSE;
 217 }
 218
 219 //-----------------------------------------------------------------------------
 220 // InsertChild callback for wxNotebook
 221 //-----------------------------------------------------------------------------
 222
 223 static void wxInsertChildInNotebook( wxNotebook* WXUNUSED(parent), wxWindow* WXUNUSED(child) )
 224 {
 225     /* we don't do anything here but pray */
 226 }
 227
 228 //-----------------------------------------------------------------------------
 229 // wxNotebook
 230 //-----------------------------------------------------------------------------
 231
 232 IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)
 233
 234 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
 235     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
 236 END_EVENT_TABLE()
 237
 238 void wxNotebook::Init()
 239 {
 240     m_imageList = (wxImageList *) NULL;
 241     m_ownsImageList = FALSE;
 242     m_pages.DeleteContents( TRUE );
 243     m_selection = -1;
 244     m_themeEnabled = TRUE;
 245 }
 246
 247 wxNotebook::wxNotebook()
 248 {
 249     Init();
 250 }
 251
 252 wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id,
 253       const wxPoint& pos, const wxSize& size,
 254       long style, const wxString& name )
 255 {
 256     Init();
 257     Create( parent, id, pos, size, style, name );
 258 }
 259
 260 wxNotebook::~wxNotebook()
 261 {
 262     /* don't generate change page events any more */
 263     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 264       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 265
 266     DeleteAllPages();
 267     if (m_ownsImageList) delete m_imageList;
 268 }
 269
 270 bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
 271       const wxPoint& pos, const wxSize& size,
 272       long style, const wxString& name )
 273 {
 274     m_needParent = TRUE;
 275     m_acceptsFocus = TRUE;
 276     m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook;
 277
 278     if (!PreCreation( parent, pos, size ) ||
 279         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 280     {
 281         wxFAIL_MSG( wxT("wxNoteBook creation failed") );
 282         return FALSE;
 283     }
 284
 285
 286     m_widget = gtk_notebook_new();
 287
 288 #ifdef __WXDEBUG__
 289     debug_focus_in( m_widget, wxT("wxNotebook::m_widget"), name );
 290 #endif
 291
 292     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 293
 294     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 295       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 296
 297     m_parent->DoAddChild( this );
 298
 299     if (m_windowStyle & wxNB_RIGHT)
 300         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
 301     if (m_windowStyle & wxNB_LEFT)
 302         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
 303     if (m_windowStyle & wxNB_BOTTOM)
 304         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
 305
 306     gtk_signal_connect( GTK_OBJECT(m_widget), "key_press_event",
 307       GTK_SIGNAL_FUNC(gtk_notebook_key_press_callback), (gpointer)this );
 308
 309     PostCreation();
 310
 311     SetFont( parent->GetFont() );
 312
 313     gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
 314                             GTK_SIGNAL_FUNC(gtk_notebook_realized_callback), (gpointer) this );
 315
 316     Show( TRUE );
 317
 318     return TRUE;
 319 }
 320
 321 int wxNotebook::GetSelection() const
 322 {
 323     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 324
 325     if ( m_selection == -1 )
 326     {
 327         GList *pages = GTK_NOTEBOOK(m_widget)->children;
 328
 329         if (g_list_length(pages) != 0)
 330         {
 331             GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 332
 333             gpointer cur = notebook->cur_page;
 334             if ( cur != NULL )
 335             {
 336                 wxConstCast(this, wxNotebook)->m_selection =
 337                     g_list_index( pages, cur );
 338             }
 339         }
 340     }
 341
 342     return m_selection;
 343 }
 344
 345 int wxNotebook::GetPageCount() const
 346 {
 347     return (int) g_list_length( GTK_NOTEBOOK(m_widget)->children );
 348 }
 349
 350 int wxNotebook::GetRowCount() const
 351 {
 352     return 1;
 353 }
 354
 355 wxString wxNotebook::GetPageText( int page ) const
 356 {
 357     wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid notebook") );
 358
 359     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 360     if (nb_page)
 361         return nb_page->m_text;
 362     else
 363         return wxT("");
 364 }
 365
 366 int wxNotebook::GetPageImage( int page ) const
 367 {
 368     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 369
 370     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 371     if (nb_page)
 372         return nb_page->m_image;
 373     else
 374         return -1;
 375 }
 376
 377 wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const
 378 {
 379     wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") );
 380
 381     wxCHECK_MSG( page < (int)m_pages.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") );
 382
 383     wxNode *node = m_pages.Nth( page );
 384
 385     return (wxGtkNotebookPage *) node->Data();
 386 }
 387
 388 int wxNotebook::SetSelection( int page )
 389 {
 390     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 391
 392     wxCHECK_MSG( page < (int)m_pages.GetCount(), -1, wxT("invalid notebook index") );
 393
 394     int selOld = GetSelection();
 395
 396     // cache the selection
 397     m_selection = page;
 398     gtk_notebook_set_page( GTK_NOTEBOOK(m_widget), page );
 399
 400     wxGtkNotebookPage* g_page = GetNotebookPage( page );
 401     if (g_page->m_client)
 402         g_page->m_client->SetFocus();
 403
 404     return selOld;
 405 }
 406
 407 void wxNotebook::AdvanceSelection( bool forward )
 408 {
 409     wxCHECK_RET( m_widget != NULL, wxT("invalid notebook") );
 410
 411     int max = GetPageCount();
 412     if ( !max )
 413     {
 414         // nothing to do with empty notebook
 415         return;
 416     }
 417
 418     int sel = GetSelection();
 419
 420     if (forward)
 421         SetSelection( sel == max - 1 ? 0 : sel + 1 );
 422     else
 423         SetSelection( sel == 0 ? max - 1 : sel - 1 );
 424 }
 425
 426 void wxNotebook::SetImageList( wxImageList* imageList )
 427 {
 428     if (m_ownsImageList) delete m_imageList;
 429     m_imageList = imageList;
 430     m_ownsImageList = FALSE;
 431 }
 432
 433 void wxNotebook::AssignImageList( wxImageList* imageList )
 434 {
 435     SetImageList(imageList);
 436     m_ownsImageList = TRUE;
 437 }
 438
 439 bool wxNotebook::SetPageText( int page, const wxString &text )
 440 {
 441     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 442
 443     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 444
 445     wxCHECK_MSG( nb_page, FALSE, wxT("SetPageText: invalid page index") );
 446
 447     nb_page->m_text = text;
 448
 449     gtk_label_set( nb_page->m_label, nb_page->m_text.mbc_str() );
 450
 451     return TRUE;
 452 }
 453
 454 bool wxNotebook::SetPageImage( int page, int image )
 455 {
 456     /* HvdH 28-12-98: now it works, but it's a bit of a kludge */
 457
 458     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 459
 460     if (!nb_page) return FALSE;
 461
 462     /* Optimization posibility: return immediately if image unchanged.
 463      * Not enabled because it may break existing (stupid) code that
 464      * manipulates the imagelist to cycle images */
 465
 466     /* if (image == nb_page->m_image) return TRUE; */
 467
 468     /* For different cases:
 469        1) no image -> no image
 470        2) image -> no image
 471        3) no image -> image
 472        4) image -> image */
 473
 474     if (image == -1 && nb_page->m_image == -1)
 475         return TRUE; /* Case 1): Nothing to do. */
 476
 477     GtkWidget *pixmapwid = (GtkWidget*) NULL;
 478
 479     if (nb_page->m_image != -1)
 480     {
 481         /* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */
 482
 483         GList *child = gtk_container_children(GTK_CONTAINER(nb_page->m_box));
 484         while (child)
 485         {
 486             if (GTK_IS_PIXMAP(child->data))
 487             {
 488                 pixmapwid = GTK_WIDGET(child->data);
 489                 break;
 490             }
 491             child = child->next;
 492         }
 493
 494         /* We should have the pixmap widget now */
 495         wxASSERT(pixmapwid != NULL);
 496
 497         if (image == -1)
 498         {
 499             /* If there's no new widget, just remove the old from the box */
 500             gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid);
 501             nb_page->m_image = -1;
 502
 503             return TRUE; /* Case 2) */
 504         }
 505     }
 506
 507     /* Only cases 3) and 4) left */
 508     wxASSERT( m_imageList != NULL ); /* Just in case */
 509
 510     /* Construct the new pixmap */
 511     const wxBitmap *bmp = m_imageList->GetBitmap(image);
 512     GdkPixmap *pixmap = bmp->GetPixmap();
 513     GdkBitmap *mask = (GdkBitmap*) NULL;
 514     if ( bmp->GetMask() )
 515     {
 516         mask = bmp->GetMask()->GetBitmap();
 517     }
 518
 519     if (pixmapwid == NULL)
 520     {
 521         /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */
 522         pixmapwid = gtk_pixmap_new (pixmap, mask );
 523
 524         /* CHECKME: Are these pack flags okay? */
 525         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, 3);
 526         gtk_widget_show(pixmapwid);
 527     }
 528     else
 529     {
 530         /* Case 4) Simply replace the pixmap */
 531         gtk_pixmap_set(GTK_PIXMAP(pixmapwid), pixmap, mask);
 532     }
 533
 534     nb_page->m_image = image;
 535
 536     return TRUE;
 537 }
 538
 539 void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) )
 540 {
 541     wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
 542 }
 543
 544 void wxNotebook::SetPadding( const wxSize &WXUNUSED(padding) )
 545 {
 546     wxFAIL_MSG( wxT("wxNotebook::SetPadding not implemented") );
 547 }
 548
 549 void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
 550 {
 551     wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
 552 }
 553
 554 bool wxNotebook::DeleteAllPages()
 555 {
 556     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 557
 558     while (m_pages.GetCount() > 0)
 559         DeletePage( m_pages.GetCount()-1 );
 560
 561     return TRUE;
 562 }
 563
 564 bool wxNotebook::DeletePage( int page )
 565 {
 566     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 567     wxCHECK_MSG( nb_page, FALSE, _T("invalid page in wxNotebook::DeletePage") );
 568
 569     // GTK sets GtkNotebook.cur_page to NULL before sending the switch page
 570     // event so we have to store the selection internally
 571     if ( m_selection == -1 )
 572     {
 573         m_selection = GetSelection();
 574         if ( m_selection == (int)m_pages.GetCount() - 1 )
 575         {
 576             // the index will become invalid after the page is deleted
 577             m_selection = -1;
 578         }
 579     }
 580
 581     nb_page->m_client->Destroy();
 582     m_pages.DeleteObject( nb_page );
 583
 584     return TRUE;
 585 }
 586
 587 bool wxNotebook::RemovePage( int page )
 588 {
 589     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 590
 591     wxCHECK_MSG( nb_page, FALSE, _T("wxNotebook::RemovePage: invalid page") );
 592
 593     gtk_widget_ref( nb_page->m_client->m_widget );
 594     gtk_widget_unrealize( nb_page->m_client->m_widget );
 595     gtk_widget_unparent( nb_page->m_client->m_widget );
 596
 597     gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
 598
 599     m_pages.DeleteObject( nb_page );
 600
 601     return TRUE;
 602 }
 603
 604 bool wxNotebook::InsertPage( int position, wxNotebookPage* win, const wxString& text,
 605                              bool select, int imageId )
 606 {
 607     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 608
 609     wxCHECK_MSG( win->GetParent() == this, FALSE,
 610                wxT("Can't add a page whose parent is not the notebook!") );
 611
 612     /* don't receive switch page during addition */
 613     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 614       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 615
 616     if (m_themeEnabled)
 617         win->SetThemeEnabled(TRUE);
 618
 619     GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 620
 621     wxGtkNotebookPage *page = new wxGtkNotebookPage();
 622
 623     if (position < 0)
 624         m_pages.Append( page );
 625     else
 626         m_pages.Insert( m_pages.Nth( position ), page );
 627
 628     page->m_client = win;
 629
 630     page->m_box = gtk_hbox_new( FALSE, 0 );
 631     gtk_container_border_width( GTK_CONTAINER(page->m_box), 2 );
 632
 633     gtk_signal_connect( GTK_OBJECT(win->m_widget), "size_allocate",
 634       GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)win );
 635
 636     if (position < 0)
 637         gtk_notebook_append_page( notebook, win->m_widget, page->m_box );
 638     else
 639         gtk_notebook_insert_page( notebook, win->m_widget, page->m_box, position );
 640
 641     page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;
 642
 643     /* set the label image */
 644     page->m_image = imageId;
 645
 646     if (imageId != -1)
 647     {
 648         wxASSERT( m_imageList != NULL );
 649
 650         const wxBitmap *bmp = m_imageList->GetBitmap(imageId);
 651         GdkPixmap *pixmap = bmp->GetPixmap();
 652         GdkBitmap *mask = (GdkBitmap*) NULL;
 653         if ( bmp->GetMask() )
 654         {
 655             mask = bmp->GetMask()->GetBitmap();
 656         }
 657
 658         GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );
 659
 660         gtk_box_pack_start(GTK_BOX(page->m_box), pixmapwid, FALSE, FALSE, 3);
 661
 662         gtk_widget_show(pixmapwid);
 663     }
 664
 665     /* set the label text */
 666     page->m_text = text;
 667     if (page->m_text.IsEmpty()) page->m_text = wxT("");
 668
 669     page->m_label = GTK_LABEL( gtk_label_new(page->m_text.mbc_str()) );
 670     gtk_box_pack_end( GTK_BOX(page->m_box), GTK_WIDGET(page->m_label), FALSE, FALSE, 3 );
 671
 672     /* show the label */
 673     gtk_widget_show( GTK_WIDGET(page->m_label) );
 674
 675     if (select && (m_pages.GetCount() > 1))
 676     {
 677         if (position < 0)
 678             SetSelection( GetPageCount()-1 );
 679         else
 680             SetSelection( position );
 681     }
 682
 683     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 684       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 685
 686     return TRUE;
 687 }
 688
 689 bool wxNotebook::AddPage(wxNotebookPage* win, const wxString& text,
 690                          bool select, int imageId)
 691 {
 692     return InsertPage( -1, win, text, select, imageId );
 693 }
 694
 695 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 696 {
 697     if (event.IsWindowChange())
 698         AdvanceSelection( event.GetDirection() );
 699     else
 700         event.Skip();
 701 }
 702
 703 wxNotebookPage *wxNotebook::GetPage( int page ) const
 704 {
 705     wxCHECK_MSG( m_widget != NULL, (wxWindow*) NULL, wxT("invalid notebook") );
 706
 707     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 708     if (!nb_page)
 709         return (wxNotebookPage *) NULL;
 710     else
 711         return nb_page->m_client;
 712 }
 713
 714 #if wxUSE_CONSTRAINTS
 715
 716 // override these 2 functions to do nothing: everything is done in OnSize
 717 void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
 718 {
 719     // don't set the sizes of the pages - their correct size is not yet known
 720     wxControl::SetConstraintSizes(FALSE);
 721 }
 722
 723 bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
 724 {
 725     return TRUE;
 726 }
 727
 728 #endif
 729
 730 void wxNotebook::ApplyWidgetStyle()
 731 {
 732     // TODO, font for labels etc
 733
 734     SetWidgetStyle();
 735     gtk_widget_set_style( m_widget, m_widgetStyle );
 736 }
 737
 738 bool wxNotebook::IsOwnGtkWindow( GdkWindow *window )
 739 {
 740     return ((m_widget->window == window) ||
 741             (GTK_NOTEBOOK(m_widget)->panel == window));
 742 }
 743
 744 //-----------------------------------------------------------------------------
 745 // wxNotebookEvent
 746 //-----------------------------------------------------------------------------
 747
 748 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 749
 750 #endif