src/gtk1/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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  11 #pragma implementation "notebook.h"
  12 #endif
  13
  14 // For compilers that support precompilation, includes "wx.h".
  15 #include "wx/wxprec.h"
  16
  17 #include "wx/notebook.h"
  18
  19 #if wxUSE_NOTEBOOK
  20
  21 #include "wx/panel.h"
  22 #include "wx/utils.h"
  23 #include "wx/imaglist.h"
  24 #include "wx/intl.h"
  25 #include "wx/log.h"
  26 #include "wx/bitmap.h"
  27
  28 #include "wx/gtk/private.h"
  29 #include "wx/gtk/win_gtk.h"
  30
  31 #include <gdk/gdkkeysyms.h>
  32
  33 // ----------------------------------------------------------------------------
  34 // events
  35 // ----------------------------------------------------------------------------
  36
  37 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
  38 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
  39
  40 //-----------------------------------------------------------------------------
  41 // idle system
  42 //-----------------------------------------------------------------------------
  43
  44 extern void wxapp_install_idle_handler();
  45 extern bool g_isIdle;
  46
  47 //-----------------------------------------------------------------------------
  48 // data
  49 //-----------------------------------------------------------------------------
  50
  51 extern bool g_blockEventsOnDrag;
  52
  53 //-----------------------------------------------------------------------------
  54 // wxGtkNotebookPage
  55 //-----------------------------------------------------------------------------
  56
  57 // VZ: this is rather ugly as we keep the pages themselves in an array (it
  58 //     allows us to have quite a few functions implemented in the base class)
  59 //     but the page data is kept in a separate list, so we must maintain them
  60 //     in sync manually... of course, the list had been there before the base
  61 //     class which explains it but it still would be nice to do something
  62 //     about this one day
  63
  64 class wxGtkNotebookPage: public wxObject
  65 {
  66 public:
  67   wxGtkNotebookPage()
  68   {
  69     m_image = -1;
  70     m_page = (GtkNotebookPage *) NULL;
  71     m_box = (GtkWidget *) NULL;
  72   }
  73
  74   wxString           m_text;
  75   int                m_image;
  76   GtkNotebookPage   *m_page;
  77   GtkLabel          *m_label;
  78   GtkWidget         *m_box;     // in which the label and image are packed
  79 };
  80
  81 #include "wx/listimpl.cpp"
  82 WX_DEFINE_LIST(wxGtkNotebookPagesList);
  83
  84 //-----------------------------------------------------------------------------
  85 // "switch_page"
  86 //-----------------------------------------------------------------------------
  87
  88 static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
  89                                               GtkNotebookPage *WXUNUSED(page),
  90                                               gint page,
  91                                               wxNotebook *notebook )
  92 {
  93     // are you trying to call SetSelection() from a notebook event handler?
  94     // you shouldn't!
  95     wxCHECK_RET( !notebook->m_inSwitchPage,
  96                  _T("gtk_notebook_page_change_callback reentered") );
  97
  98     notebook->m_inSwitchPage = TRUE;
  99     if (g_isIdle)
 100         wxapp_install_idle_handler();
 101
 102     int old = notebook->GetSelection();
 103
 104     wxNotebookEvent eventChanging( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING,
 105                                    notebook->GetId(), page, old );
 106     eventChanging.SetEventObject( notebook );
 107
 108     if ( (notebook->GetEventHandler()->ProcessEvent(eventChanging)) &&
 109          !eventChanging.IsAllowed() )
 110     {
 111         /* program doesn't allow the page change */
 112         gtk_signal_emit_stop_by_name( GTK_OBJECT(notebook->m_widget),
 113                                       "switch_page" );
 114     }
 115     else // change allowed
 116     {
 117         // make wxNotebook::GetSelection() return the correct (i.e. consistent
 118         // with wxNotebookEvent::GetSelection()) value even though the page is
 119         // not really changed in GTK+
 120         notebook->m_selection = page;
 121
 122         wxNotebookEvent eventChanged( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED,
 123                                       notebook->GetId(), page, old );
 124         eventChanged.SetEventObject( notebook );
 125         notebook->GetEventHandler()->ProcessEvent( eventChanged );
 126     }
 127
 128     notebook->m_inSwitchPage = FALSE;
 129 }
 130
 131 //-----------------------------------------------------------------------------
 132 // "size_allocate"
 133 //-----------------------------------------------------------------------------
 134
 135 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
 136 {
 137     if (g_isIdle)
 138         wxapp_install_idle_handler();
 139
 140     if ((win->m_x == alloc->x) &&
 141         (win->m_y == alloc->y) &&
 142         (win->m_width == alloc->width) &&
 143         (win->m_height == alloc->height))
 144     {
 145         return;
 146     }
 147
 148     win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
 149
 150     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call allocate
 151        here in order to make repositioning after resizing to take effect. */
 152     if ((gtk_major_version == 1) &&
 153         (gtk_minor_version == 2) &&
 154         (gtk_micro_version < 6) &&
 155         (win->m_wxwindow) &&
 156         (GTK_WIDGET_REALIZED(win->m_wxwindow)))
 157     {
 158         gtk_widget_size_allocate( win->m_wxwindow, alloc );
 159     }
 160 }
 161
 162 //-----------------------------------------------------------------------------
 163 // "realize" from m_widget
 164 //-----------------------------------------------------------------------------
 165
 166 static gint
 167 gtk_notebook_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win )
 168 {
 169     if (g_isIdle)
 170         wxapp_install_idle_handler();
 171
 172     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call a queue_resize
 173        here in order to make repositioning before showing to take effect. */
 174     gtk_widget_queue_resize( win->m_widget );
 175
 176     return FALSE;
 177 }
 178
 179 //-----------------------------------------------------------------------------
 180 // "key_press_event"
 181 //-----------------------------------------------------------------------------
 182
 183 static gint gtk_notebook_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxNotebook *win )
 184 {
 185     if (g_isIdle)
 186         wxapp_install_idle_handler();
 187
 188     if (!win->m_hasVMT) return FALSE;
 189     if (g_blockEventsOnDrag) return FALSE;
 190
 191     /* win is a control: tab can be propagated up */
 192     if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
 193     {
 194         int sel = win->GetSelection();
 195         if (sel == -1)
 196             return TRUE;
 197         wxGtkNotebookPage *nb_page = win->GetNotebookPage(sel);
 198         wxCHECK_MSG( nb_page, FALSE, _T("invalid selection in wxNotebook") );
 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
 208         wxNotebookPage *client = win->GetPage(sel);
 209         if ( !client->GetEventHandler()->ProcessEvent( event ) )
 210         {
 211              client->SetFocus();
 212         }
 213
 214         gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
 215         return TRUE;
 216     }
 217
 218     return FALSE;
 219 }
 220
 221 //-----------------------------------------------------------------------------
 222 // InsertChild callback for wxNotebook
 223 //-----------------------------------------------------------------------------
 224
 225 static void wxInsertChildInNotebook( wxNotebook* WXUNUSED(parent), wxWindow* WXUNUSED(child) )
 226 {
 227     /* we don't do anything here but pray */
 228 }
 229
 230 //-----------------------------------------------------------------------------
 231 // wxNotebook
 232 //-----------------------------------------------------------------------------
 233
 234 IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)
 235
 236 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
 237     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
 238 END_EVENT_TABLE()
 239
 240 void wxNotebook::Init()
 241 {
 242     m_padding = 0;
 243     m_inSwitchPage = FALSE;
 244
 245     m_imageList = (wxImageList *) NULL;
 246     m_selection = -1;
 247     m_themeEnabled = TRUE;
 248 }
 249
 250 wxNotebook::wxNotebook()
 251 {
 252     Init();
 253 }
 254
 255 wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id,
 256       const wxPoint& pos, const wxSize& size,
 257       long style, const wxString& name )
 258 {
 259     Init();
 260     Create( parent, id, pos, size, style, name );
 261 }
 262
 263 wxNotebook::~wxNotebook()
 264 {
 265     /* don't generate change page events any more */
 266     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 267       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 268
 269     DeleteAllPages();
 270 }
 271
 272 bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
 273                         const wxPoint& pos, const wxSize& size,
 274                         long style, const wxString& name )
 275 {
 276     m_needParent = TRUE;
 277     m_acceptsFocus = TRUE;
 278     m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook;
 279
 280     if (!PreCreation( parent, pos, size ) ||
 281         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 282     {
 283         wxFAIL_MSG( wxT("wxNoteBook creation failed") );
 284         return FALSE;
 285     }
 286
 287
 288     m_widget = gtk_notebook_new();
 289
 290     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 291
 292     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 293       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 294
 295     m_parent->DoAddChild( this );
 296
 297     if (m_windowStyle & wxNB_RIGHT)
 298         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
 299     if (m_windowStyle & wxNB_LEFT)
 300         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
 301     if (m_windowStyle & wxNB_BOTTOM)
 302         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
 303
 304     gtk_signal_connect( GTK_OBJECT(m_widget), "key_press_event",
 305       GTK_SIGNAL_FUNC(gtk_notebook_key_press_callback), (gpointer)this );
 306
 307     PostCreation();
 308
 309     SetFont( parent->GetFont() );
 310
 311     gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
 312                             GTK_SIGNAL_FUNC(gtk_notebook_realized_callback), (gpointer) this );
 313
 314     Show( TRUE );
 315
 316     return TRUE;
 317 }
 318
 319 int wxNotebook::GetSelection() const
 320 {
 321     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 322
 323     if ( m_selection == -1 )
 324     {
 325         GList *nb_pages = GTK_NOTEBOOK(m_widget)->children;
 326
 327         if (g_list_length(nb_pages) != 0)
 328         {
 329             GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 330
 331             gpointer cur = notebook->cur_page;
 332             if ( cur != NULL )
 333             {
 334                 wxConstCast(this, wxNotebook)->m_selection =
 335                     g_list_index( nb_pages, cur );
 336             }
 337         }
 338     }
 339
 340     return m_selection;
 341 }
 342
 343 wxString wxNotebook::GetPageText( size_t page ) const
 344 {
 345     wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid notebook") );
 346
 347     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 348     if (nb_page)
 349         return nb_page->m_text;
 350     else
 351         return wxT("");
 352 }
 353
 354 int wxNotebook::GetPageImage( size_t page ) const
 355 {
 356     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 357
 358     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 359     if (nb_page)
 360         return nb_page->m_image;
 361     else
 362         return -1;
 363 }
 364
 365 wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const
 366 {
 367     wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") );
 368
 369     wxCHECK_MSG( page < (int)m_pagesData.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") );
 370
 371     return m_pagesData.Item(page)->GetData();
 372 }
 373
 374 int wxNotebook::SetSelection( size_t page )
 375 {
 376     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 377
 378     wxCHECK_MSG( page < m_pagesData.GetCount(), -1, wxT("invalid notebook index") );
 379
 380     int selOld = GetSelection();
 381
 382     // cache the selection
 383     m_selection = page;
 384     gtk_notebook_set_page( GTK_NOTEBOOK(m_widget), page );
 385
 386     wxNotebookPage *client = GetPage(page);
 387     if ( client )
 388         client->SetFocus();
 389
 390     return selOld;
 391 }
 392
 393 bool wxNotebook::SetPageText( size_t page, const wxString &text )
 394 {
 395     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 396
 397     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 398
 399     wxCHECK_MSG( nb_page, FALSE, wxT("SetPageText: invalid page index") );
 400
 401     nb_page->m_text = text;
 402
 403     gtk_label_set( nb_page->m_label, wxGTK_CONV( nb_page->m_text ) );
 404
 405     return TRUE;
 406 }
 407
 408 bool wxNotebook::SetPageImage( size_t page, int image )
 409 {
 410     /* HvdH 28-12-98: now it works, but it's a bit of a kludge */
 411
 412     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 413
 414     if (!nb_page) return FALSE;
 415
 416     /* Optimization posibility: return immediately if image unchanged.
 417      * Not enabled because it may break existing (stupid) code that
 418      * manipulates the imagelist to cycle images */
 419
 420     /* if (image == nb_page->m_image) return TRUE; */
 421
 422     /* For different cases:
 423        1) no image -> no image
 424        2) image -> no image
 425        3) no image -> image
 426        4) image -> image */
 427
 428     if (image == -1 && nb_page->m_image == -1)
 429         return TRUE; /* Case 1): Nothing to do. */
 430
 431     GtkWidget *pixmapwid = (GtkWidget*) NULL;
 432
 433     if (nb_page->m_image != -1)
 434     {
 435         /* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */
 436
 437         GList *child = gtk_container_children(GTK_CONTAINER(nb_page->m_box));
 438         while (child)
 439         {
 440             if (GTK_IS_PIXMAP(child->data))
 441             {
 442                 pixmapwid = GTK_WIDGET(child->data);
 443                 break;
 444             }
 445             child = child->next;
 446         }
 447
 448         /* We should have the pixmap widget now */
 449         wxASSERT(pixmapwid != NULL);
 450
 451         if (image == -1)
 452         {
 453             /* If there's no new widget, just remove the old from the box */
 454             gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid);
 455             nb_page->m_image = -1;
 456
 457             return TRUE; /* Case 2) */
 458         }
 459     }
 460
 461     /* Only cases 3) and 4) left */
 462     wxASSERT( m_imageList != NULL ); /* Just in case */
 463
 464     /* Construct the new pixmap */
 465     const wxBitmap *bmp = m_imageList->GetBitmap(image);
 466     GdkPixmap *pixmap = bmp->GetPixmap();
 467     GdkBitmap *mask = (GdkBitmap*) NULL;
 468     if ( bmp->GetMask() )
 469     {
 470         mask = bmp->GetMask()->GetBitmap();
 471     }
 472
 473     if (pixmapwid == NULL)
 474     {
 475         /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */
 476         pixmapwid = gtk_pixmap_new (pixmap, mask );
 477
 478         /* CHECKME: Are these pack flags okay? */
 479         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 480         gtk_widget_show(pixmapwid);
 481     }
 482     else
 483     {
 484         /* Case 4) Simply replace the pixmap */
 485         gtk_pixmap_set(GTK_PIXMAP(pixmapwid), pixmap, mask);
 486     }
 487
 488     nb_page->m_image = image;
 489
 490     return TRUE;
 491 }
 492
 493 void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) )
 494 {
 495     wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
 496 }
 497
 498 void wxNotebook::SetPadding( const wxSize &padding )
 499 {
 500     wxCHECK_RET( m_widget != NULL, wxT("invalid notebook") );
 501
 502     m_padding = padding.GetWidth();
 503
 504     int i;
 505     for (i=0; i<int(GetPageCount()); i++)
 506     {
 507         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 508         wxASSERT(nb_page != NULL);
 509
 510         if (nb_page->m_image != -1)
 511         {
 512             // gtk_box_set_child_packing sets padding on BOTH sides
 513             // icon provides left padding, label provides center and right
 514             int image = nb_page->m_image;
 515             SetPageImage(i,-1);
 516             SetPageImage(i,image);
 517         }
 518         wxASSERT(nb_page->m_label);
 519         gtk_box_set_child_packing(GTK_BOX(nb_page->m_box),
 520                                   GTK_WIDGET(nb_page->m_label),
 521                                   FALSE, FALSE, m_padding, GTK_PACK_END);
 522     }
 523 }
 524
 525 void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
 526 {
 527     wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
 528 }
 529
 530 bool wxNotebook::DeleteAllPages()
 531 {
 532     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 533
 534     while (m_pagesData.GetCount() > 0)
 535         DeletePage( m_pagesData.GetCount()-1 );
 536
 537     wxASSERT_MSG( GetPageCount() == 0, _T("all pages must have been deleted") );
 538
 539     return wxNotebookBase::DeleteAllPages();
 540 }
 541
 542 bool wxNotebook::DeletePage( size_t page )
 543 {
 544     // GTK sets GtkNotebook.cur_page to NULL before sending the switch page
 545     // event so we have to store the selection internally
 546     if ( m_selection == -1 )
 547     {
 548         m_selection = GetSelection();
 549         if ( m_selection == (int)m_pagesData.GetCount() - 1 )
 550         {
 551             // the index will become invalid after the page is deleted
 552             m_selection = -1;
 553         }
 554     }
 555
 556     // it will call our DoRemovePage() to do the real work
 557     return wxNotebookBase::DeletePage(page);
 558 }
 559
 560 wxNotebookPage *wxNotebook::DoRemovePage( size_t page )
 561 {
 562     wxNotebookPage *client = wxNotebookBase::DoRemovePage(page);
 563     if ( !client )
 564         return NULL;
 565
 566     gtk_widget_ref( client->m_widget );
 567     gtk_widget_unrealize( client->m_widget );
 568     gtk_widget_unparent( client->m_widget );
 569
 570     gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
 571
 572     wxGtkNotebookPage* p = GetNotebookPage(page);
 573     m_pagesData.DeleteObject(p);
 574     delete p;
 575
 576     return client;
 577 }
 578
 579 bool wxNotebook::InsertPage( size_t position,
 580                              wxNotebookPage* win,
 581                              const wxString& text,
 582                              bool select,
 583                              int imageId )
 584 {
 585     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 586
 587     wxCHECK_MSG( win->GetParent() == this, FALSE,
 588                wxT("Can't add a page whose parent is not the notebook!") );
 589
 590     wxCHECK_MSG( position <= GetPageCount(), FALSE,
 591                  _T("invalid page index in wxNotebookPage::InsertPage()") );
 592
 593     /* don't receive switch page during addition */
 594     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 595       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 596
 597     if (m_themeEnabled)
 598         win->SetThemeEnabled(TRUE);
 599
 600     GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 601
 602     wxGtkNotebookPage *nb_page = new wxGtkNotebookPage();
 603
 604     if ( position == GetPageCount() )
 605         m_pagesData.Append( nb_page );
 606     else
 607         m_pagesData.Insert( m_pagesData.Item( position ), nb_page );
 608
 609     m_pages.Insert(win, position);
 610
 611     nb_page->m_box = gtk_hbox_new( FALSE, 1 );
 612     gtk_container_border_width( GTK_CONTAINER(nb_page->m_box), 2 );
 613
 614     gtk_signal_connect( GTK_OBJECT(win->m_widget), "size_allocate",
 615       GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)win );
 616
 617 #ifndef __VMS
 618    // On VMS position is unsigned and thus always positive
 619    if (position < 0)
 620         gtk_notebook_append_page( notebook, win->m_widget, nb_page->m_box );
 621     else
 622 #endif
 623      gtk_notebook_insert_page( notebook, win->m_widget, nb_page->m_box, position );
 624
 625     nb_page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;
 626
 627     /* set the label image */
 628     nb_page->m_image = imageId;
 629
 630     if (imageId != -1)
 631     {
 632         wxASSERT( m_imageList != NULL );
 633
 634         const wxBitmap *bmp = m_imageList->GetBitmap(imageId);
 635         GdkPixmap *pixmap = bmp->GetPixmap();
 636         GdkBitmap *mask = (GdkBitmap*) NULL;
 637         if ( bmp->GetMask() )
 638         {
 639             mask = bmp->GetMask()->GetBitmap();
 640         }
 641
 642         GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );
 643
 644         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 645
 646         gtk_widget_show(pixmapwid);
 647     }
 648
 649     /* set the label text */
 650     nb_page->m_text = text;
 651     if (nb_page->m_text.IsEmpty()) nb_page->m_text = wxT("");
 652
 653     nb_page->m_label = GTK_LABEL( gtk_label_new(nb_page->m_text.mbc_str()) );
 654     gtk_box_pack_end( GTK_BOX(nb_page->m_box), GTK_WIDGET(nb_page->m_label), FALSE, FALSE, m_padding );
 655
 656     /* show the label */
 657     gtk_widget_show( GTK_WIDGET(nb_page->m_label) );
 658     if (select && (m_pagesData.GetCount() > 1))
 659     {
 660 #ifndef __VMS
 661    // On VMS position is unsigned and thus always positive
 662         if (position < 0)
 663             SetSelection( GetPageCount()-1 );
 664         else
 665 #endif
 666             SetSelection( position );
 667     }
 668
 669     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 670       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 671
 672     return TRUE;
 673 }
 674
 675 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 676 {
 677     if (event.IsWindowChange())
 678         AdvanceSelection( event.GetDirection() );
 679     else
 680         event.Skip();
 681 }
 682
 683 #if wxUSE_CONSTRAINTS
 684
 685 // override these 2 functions to do nothing: everything is done in OnSize
 686 void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
 687 {
 688     // don't set the sizes of the pages - their correct size is not yet known
 689     wxControl::SetConstraintSizes(FALSE);
 690 }
 691
 692 bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
 693 {
 694     return TRUE;
 695 }
 696
 697 #endif
 698
 699 void wxNotebook::ApplyWidgetStyle()
 700 {
 701     // TODO, font for labels etc
 702
 703     SetWidgetStyle();
 704     gtk_widget_set_style( m_widget, m_widgetStyle );
 705 }
 706
 707 bool wxNotebook::IsOwnGtkWindow( GdkWindow *window )
 708 {
 709     return ((m_widget->window == window) ||
 710             (NOTEBOOK_PANEL(m_widget) == window));
 711 }
 712
 713 //-----------------------------------------------------------------------------
 714 // wxNotebookEvent
 715 //-----------------------------------------------------------------------------
 716
 717 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 718
 719 #endif