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 #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 #include "wx/bitmap.h"
  24
  25 #include "wx/gtk/private.h"
  26 #include "wx/gtk/win_gtk.h"
  27
  28 #include <gdk/gdkkeysyms.h>
  29
  30 // ----------------------------------------------------------------------------
  31 // events
  32 // ----------------------------------------------------------------------------
  33
  34 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
  35 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
  36
  37 //-----------------------------------------------------------------------------
  38 // idle system
  39 //-----------------------------------------------------------------------------
  40
  41 extern void wxapp_install_idle_handler();
  42 extern bool g_isIdle;
  43
  44 //-----------------------------------------------------------------------------
  45 // data
  46 //-----------------------------------------------------------------------------
  47
  48 extern bool g_blockEventsOnDrag;
  49
  50 //-----------------------------------------------------------------------------
  51 // wxGtkNotebookPage
  52 //-----------------------------------------------------------------------------
  53
  54 // VZ: this is rather ugly as we keep the pages themselves in an array (it
  55 //     allows us to have quite a few functions implemented in the base class)
  56 //     but the page data is kept in a separate list, so we must maintain them
  57 //     in sync manually... of course, the list had been there before the base
  58 //     class which explains it but it still would be nice to do something
  59 //     about this one day
  60
  61 class wxGtkNotebookPage: public wxObject
  62 {
  63 public:
  64   wxGtkNotebookPage()
  65   {
  66     m_image = -1;
  67     m_page = (GtkNotebookPage *) NULL;
  68     m_box = (GtkWidget *) NULL;
  69   }
  70
  71   wxString           m_text;
  72   int                m_image;
  73   GtkNotebookPage   *m_page;
  74   GtkLabel          *m_label;
  75   GtkWidget         *m_box;     // in which the label and image are packed
  76 };
  77
  78 #include "wx/listimpl.cpp"
  79 WX_DEFINE_LIST(wxGtkNotebookPagesList);
  80
  81 //-----------------------------------------------------------------------------
  82 // "switch_page"
  83 //-----------------------------------------------------------------------------
  84
  85 static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
  86                                               GtkNotebookPage *WXUNUSED(page),
  87                                               gint page,
  88                                               wxNotebook *notebook )
  89 {
  90     // are you trying to call SetSelection() from a notebook event handler?
  91     // you shouldn't!
  92     wxCHECK_RET( !notebook->m_inSwitchPage,
  93                  _T("gtk_notebook_page_change_callback reentered") );
  94
  95     notebook->m_inSwitchPage = TRUE;
  96     if (g_isIdle)
  97         wxapp_install_idle_handler();
  98
  99     int old = notebook->GetSelection();
 100
 101     wxNotebookEvent eventChanging( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING,
 102                                    notebook->GetId(), page, old );
 103     eventChanging.SetEventObject( notebook );
 104
 105     if ( (notebook->GetEventHandler()->ProcessEvent(eventChanging)) &&
 106          !eventChanging.IsAllowed() )
 107     {
 108         /* program doesn't allow the page change */
 109         gtk_signal_emit_stop_by_name( GTK_OBJECT(notebook->m_widget),
 110                                       "switch_page" );
 111     }
 112     else // change allowed
 113     {
 114         // make wxNotebook::GetSelection() return the correct (i.e. consistent
 115         // with wxNotebookEvent::GetSelection()) value even though the page is
 116         // not really changed in GTK+
 117         notebook->m_selection = page;
 118
 119         wxNotebookEvent eventChanged( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED,
 120                                       notebook->GetId(), page, old );
 121         eventChanged.SetEventObject( notebook );
 122         notebook->GetEventHandler()->ProcessEvent( eventChanged );
 123     }
 124
 125     notebook->m_inSwitchPage = FALSE;
 126 }
 127
 128 //-----------------------------------------------------------------------------
 129 // "size_allocate"
 130 //-----------------------------------------------------------------------------
 131
 132 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
 133 {
 134     if (g_isIdle)
 135         wxapp_install_idle_handler();
 136
 137     if ((win->m_x == alloc->x) &&
 138         (win->m_y == alloc->y) &&
 139         (win->m_width == alloc->width) &&
 140         (win->m_height == alloc->height))
 141     {
 142         return;
 143     }
 144
 145     win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
 146
 147     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call allocate
 148        here in order to make repositioning after resizing to take effect. */
 149     if ((gtk_major_version == 1) &&
 150         (gtk_minor_version == 2) &&
 151         (gtk_micro_version < 6) &&
 152         (win->m_wxwindow) &&
 153         (GTK_WIDGET_REALIZED(win->m_wxwindow)))
 154     {
 155         gtk_widget_size_allocate( win->m_wxwindow, alloc );
 156     }
 157 }
 158
 159 //-----------------------------------------------------------------------------
 160 // "realize" from m_widget
 161 //-----------------------------------------------------------------------------
 162
 163 static gint
 164 gtk_notebook_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win )
 165 {
 166     if (g_isIdle)
 167         wxapp_install_idle_handler();
 168
 169     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call a queue_resize
 170        here in order to make repositioning before showing to take effect. */
 171     gtk_widget_queue_resize( win->m_widget );
 172
 173     return FALSE;
 174 }
 175
 176 //-----------------------------------------------------------------------------
 177 // "key_press_event"
 178 //-----------------------------------------------------------------------------
 179
 180 static gint gtk_notebook_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxNotebook *win )
 181 {
 182     if (g_isIdle)
 183         wxapp_install_idle_handler();
 184
 185     if (!win->m_hasVMT) return FALSE;
 186     if (g_blockEventsOnDrag) return FALSE;
 187
 188     /* win is a control: tab can be propagated up */
 189     if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
 190     {
 191         int sel = win->GetSelection();
 192         wxGtkNotebookPage *nb_page = win->GetNotebookPage(sel);
 193         wxCHECK_MSG( nb_page, FALSE, _T("invalid selection in wxNotebook") );
 194
 195         wxNavigationKeyEvent event;
 196         event.SetEventObject( win );
 197         /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
 198         event.SetDirection( (gdk_event->keyval == GDK_Tab) );
 199         /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
 200         event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
 201         event.SetCurrentFocus( win );
 202
 203         wxNotebookPage *client = win->GetPage(sel);
 204         if ( !client->GetEventHandler()->ProcessEvent( event ) )
 205         {
 206              client->SetFocus();
 207         }
 208
 209         gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
 210         return TRUE;
 211     }
 212
 213     return FALSE;
 214 }
 215
 216 //-----------------------------------------------------------------------------
 217 // InsertChild callback for wxNotebook
 218 //-----------------------------------------------------------------------------
 219
 220 static void wxInsertChildInNotebook( wxNotebook* WXUNUSED(parent), wxWindow* WXUNUSED(child) )
 221 {
 222     /* we don't do anything here but pray */
 223 }
 224
 225 //-----------------------------------------------------------------------------
 226 // wxNotebook
 227 //-----------------------------------------------------------------------------
 228
 229 IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)
 230
 231 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
 232     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
 233 END_EVENT_TABLE()
 234
 235 void wxNotebook::Init()
 236 {
 237     m_padding = 0;
 238     m_inSwitchPage = FALSE;
 239
 240     m_imageList = (wxImageList *) NULL;
 241     m_pagesData.DeleteContents( TRUE );
 242     m_selection = -1;
 243     m_themeEnabled = TRUE;
 244 }
 245
 246 wxNotebook::wxNotebook()
 247 {
 248     Init();
 249 }
 250
 251 wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id,
 252       const wxPoint& pos, const wxSize& size,
 253       long style, const wxString& name )
 254 {
 255     Init();
 256     Create( parent, id, pos, size, style, name );
 257 }
 258
 259 wxNotebook::~wxNotebook()
 260 {
 261     /* don't generate change page events any more */
 262     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 263       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 264
 265     DeleteAllPages();
 266 }
 267
 268 bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
 269                         const wxPoint& pos, const wxSize& size,
 270                         long style, const wxString& name )
 271 {
 272     m_needParent = TRUE;
 273     m_acceptsFocus = TRUE;
 274     m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook;
 275
 276     if (!PreCreation( parent, pos, size ) ||
 277         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 278     {
 279         wxFAIL_MSG( wxT("wxNoteBook creation failed") );
 280         return FALSE;
 281     }
 282
 283
 284     m_widget = gtk_notebook_new();
 285
 286     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 287
 288     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 289       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 290
 291     m_parent->DoAddChild( this );
 292
 293     if (m_windowStyle & wxNB_RIGHT)
 294         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
 295     if (m_windowStyle & wxNB_LEFT)
 296         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
 297     if (m_windowStyle & wxNB_BOTTOM)
 298         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
 299
 300     gtk_signal_connect( GTK_OBJECT(m_widget), "key_press_event",
 301       GTK_SIGNAL_FUNC(gtk_notebook_key_press_callback), (gpointer)this );
 302
 303     PostCreation();
 304
 305     SetFont( parent->GetFont() );
 306
 307     gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
 308                             GTK_SIGNAL_FUNC(gtk_notebook_realized_callback), (gpointer) this );
 309
 310     Show( TRUE );
 311
 312     return TRUE;
 313 }
 314
 315 int wxNotebook::GetSelection() const
 316 {
 317     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 318
 319     if ( m_selection == -1 )
 320     {
 321         GList *nb_pages = GTK_NOTEBOOK(m_widget)->children;
 322
 323         if (g_list_length(nb_pages) != 0)
 324         {
 325             GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 326
 327             gpointer cur = notebook->cur_page;
 328             if ( cur != NULL )
 329             {
 330                 wxConstCast(this, wxNotebook)->m_selection =
 331                     g_list_index( nb_pages, cur );
 332             }
 333         }
 334     }
 335
 336     return m_selection;
 337 }
 338
 339 wxString wxNotebook::GetPageText( int page ) const
 340 {
 341     wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid notebook") );
 342
 343     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 344     if (nb_page)
 345         return nb_page->m_text;
 346     else
 347         return wxT("");
 348 }
 349
 350 int wxNotebook::GetPageImage( int page ) const
 351 {
 352     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 353
 354     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 355     if (nb_page)
 356         return nb_page->m_image;
 357     else
 358         return -1;
 359 }
 360
 361 wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const
 362 {
 363     wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") );
 364
 365     wxCHECK_MSG( page < (int)m_pagesData.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") );
 366
 367     return m_pagesData.Item(page)->GetData();
 368 }
 369
 370 int wxNotebook::SetSelection( int page )
 371 {
 372     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 373
 374     wxCHECK_MSG( page < (int)m_pagesData.GetCount(), -1, wxT("invalid notebook index") );
 375
 376     int selOld = GetSelection();
 377
 378     // cache the selection
 379     m_selection = page;
 380     gtk_notebook_set_page( GTK_NOTEBOOK(m_widget), page );
 381
 382     wxNotebookPage *client = GetPage(page);
 383     if ( client )
 384         client->SetFocus();
 385
 386     return selOld;
 387 }
 388
 389 bool wxNotebook::SetPageText( int page, const wxString &text )
 390 {
 391     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 392
 393     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 394
 395     wxCHECK_MSG( nb_page, FALSE, wxT("SetPageText: invalid page index") );
 396
 397     nb_page->m_text = text;
 398
 399     gtk_label_set( nb_page->m_label, wxGTK_CONV( nb_page->m_text ) );
 400
 401     return TRUE;
 402 }
 403
 404 bool wxNotebook::SetPageImage( int page, int image )
 405 {
 406     /* HvdH 28-12-98: now it works, but it's a bit of a kludge */
 407
 408     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 409
 410     if (!nb_page) return FALSE;
 411
 412     /* Optimization posibility: return immediately if image unchanged.
 413      * Not enabled because it may break existing (stupid) code that
 414      * manipulates the imagelist to cycle images */
 415
 416     /* if (image == nb_page->m_image) return TRUE; */
 417
 418     /* For different cases:
 419        1) no image -> no image
 420        2) image -> no image
 421        3) no image -> image
 422        4) image -> image */
 423
 424     if (image == -1 && nb_page->m_image == -1)
 425         return TRUE; /* Case 1): Nothing to do. */
 426
 427     GtkWidget *pixmapwid = (GtkWidget*) NULL;
 428
 429     if (nb_page->m_image != -1)
 430     {
 431         /* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */
 432
 433         GList *child = gtk_container_children(GTK_CONTAINER(nb_page->m_box));
 434         while (child)
 435         {
 436             if (GTK_IS_PIXMAP(child->data))
 437             {
 438                 pixmapwid = GTK_WIDGET(child->data);
 439                 break;
 440             }
 441             child = child->next;
 442         }
 443
 444         /* We should have the pixmap widget now */
 445         wxASSERT(pixmapwid != NULL);
 446
 447         if (image == -1)
 448         {
 449             /* If there's no new widget, just remove the old from the box */
 450             gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid);
 451             nb_page->m_image = -1;
 452
 453             return TRUE; /* Case 2) */
 454         }
 455     }
 456
 457     /* Only cases 3) and 4) left */
 458     wxASSERT( m_imageList != NULL ); /* Just in case */
 459
 460     /* Construct the new pixmap */
 461     const wxBitmap *bmp = m_imageList->GetBitmap(image);
 462     GdkPixmap *pixmap = bmp->GetPixmap();
 463     GdkBitmap *mask = (GdkBitmap*) NULL;
 464     if ( bmp->GetMask() )
 465     {
 466         mask = bmp->GetMask()->GetBitmap();
 467     }
 468
 469     if (pixmapwid == NULL)
 470     {
 471         /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */
 472         pixmapwid = gtk_pixmap_new (pixmap, mask );
 473
 474         /* CHECKME: Are these pack flags okay? */
 475         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 476         gtk_widget_show(pixmapwid);
 477     }
 478     else
 479     {
 480         /* Case 4) Simply replace the pixmap */
 481         gtk_pixmap_set(GTK_PIXMAP(pixmapwid), pixmap, mask);
 482     }
 483
 484     nb_page->m_image = image;
 485
 486     return TRUE;
 487 }
 488
 489 void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) )
 490 {
 491     wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
 492 }
 493
 494 void wxNotebook::SetPadding( const wxSize &padding )
 495 {
 496     wxCHECK_RET( m_widget != NULL, wxT("invalid notebook") );
 497
 498     m_padding = padding.GetWidth();
 499
 500     int i;
 501     for (i=0; i<int(GetPageCount()); i++)
 502     {
 503         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 504         wxASSERT(nb_page != NULL);
 505
 506         if (nb_page->m_image != -1)
 507         {
 508             // gtk_box_set_child_packing sets padding on BOTH sides
 509             // icon provides left padding, label provides center and right
 510             int image = nb_page->m_image;
 511             SetPageImage(i,-1);
 512             SetPageImage(i,image);
 513         }
 514         wxASSERT(nb_page->m_label);
 515         gtk_box_set_child_packing(GTK_BOX(nb_page->m_box),
 516                                   GTK_WIDGET(nb_page->m_label),
 517                                   FALSE, FALSE, m_padding, GTK_PACK_END);
 518     }
 519 }
 520
 521 void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
 522 {
 523     wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
 524 }
 525
 526 bool wxNotebook::DeleteAllPages()
 527 {
 528     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 529
 530     while (m_pagesData.GetCount() > 0)
 531         DeletePage( m_pagesData.GetCount()-1 );
 532
 533     wxASSERT_MSG( GetPageCount() == 0, _T("all pages must have been deleted") );
 534
 535     return wxNotebookBase::DeleteAllPages();
 536 }
 537
 538 bool wxNotebook::DeletePage( int page )
 539 {
 540     // GTK sets GtkNotebook.cur_page to NULL before sending the switch page
 541     // event so we have to store the selection internally
 542     if ( m_selection == -1 )
 543     {
 544         m_selection = GetSelection();
 545         if ( m_selection == (int)m_pagesData.GetCount() - 1 )
 546         {
 547             // the index will become invalid after the page is deleted
 548             m_selection = -1;
 549         }
 550     }
 551
 552     // it will call our DoRemovePage() to do the real work
 553     return wxNotebookBase::DeletePage(page);
 554 }
 555
 556 wxNotebookPage *wxNotebook::DoRemovePage( int page )
 557 {
 558     wxNotebookPage *client = wxNotebookBase::DoRemovePage(page);
 559     if ( !client )
 560         return NULL;
 561
 562     gtk_widget_ref( client->m_widget );
 563     gtk_widget_unrealize( client->m_widget );
 564     gtk_widget_unparent( client->m_widget );
 565
 566     gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
 567
 568     m_pagesData.DeleteObject(GetNotebookPage(page));
 569
 570     return client;
 571 }
 572
 573 bool wxNotebook::InsertPage( int position,
 574                              wxNotebookPage* win,
 575                              const wxString& text,
 576                              bool select,
 577                              int imageId )
 578 {
 579     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 580
 581     wxCHECK_MSG( win->GetParent() == this, FALSE,
 582                wxT("Can't add a page whose parent is not the notebook!") );
 583
 584     wxCHECK_MSG( position >= 0 && position <= GetPageCount(), FALSE,
 585                  _T("invalid page index in wxNotebookPage::InsertPage()") );
 586
 587     /* don't receive switch page during addition */
 588     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 589       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 590
 591     if (m_themeEnabled)
 592         win->SetThemeEnabled(TRUE);
 593
 594     GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 595
 596     wxGtkNotebookPage *nb_page = new wxGtkNotebookPage();
 597
 598     if ( position == GetPageCount() )
 599         m_pagesData.Append( nb_page );
 600     else
 601         m_pagesData.Insert( m_pagesData.Item( position ), nb_page );
 602
 603     m_pages.Insert(win, position);
 604
 605     nb_page->m_box = gtk_hbox_new( FALSE, 1 );
 606     gtk_container_border_width( GTK_CONTAINER(nb_page->m_box), 2 );
 607
 608     gtk_signal_connect( GTK_OBJECT(win->m_widget), "size_allocate",
 609       GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)win );
 610
 611     if (position < 0)
 612         gtk_notebook_append_page( notebook, win->m_widget, nb_page->m_box );
 613     else
 614         gtk_notebook_insert_page( notebook, win->m_widget, nb_page->m_box, position );
 615
 616     nb_page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;
 617
 618     /* set the label image */
 619     nb_page->m_image = imageId;
 620
 621     if (imageId != -1)
 622     {
 623         wxASSERT( m_imageList != NULL );
 624
 625         const wxBitmap *bmp = m_imageList->GetBitmap(imageId);
 626         GdkPixmap *pixmap = bmp->GetPixmap();
 627         GdkBitmap *mask = (GdkBitmap*) NULL;
 628         if ( bmp->GetMask() )
 629         {
 630             mask = bmp->GetMask()->GetBitmap();
 631         }
 632
 633         GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );
 634
 635         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 636
 637         gtk_widget_show(pixmapwid);
 638     }
 639
 640     /* set the label text */
 641     nb_page->m_text = text;
 642     if (nb_page->m_text.IsEmpty()) nb_page->m_text = wxT("");
 643
 644     nb_page->m_label = GTK_LABEL( gtk_label_new(nb_page->m_text.mbc_str()) );
 645     gtk_box_pack_end( GTK_BOX(nb_page->m_box), GTK_WIDGET(nb_page->m_label), FALSE, FALSE, m_padding );
 646
 647     /* show the label */
 648     gtk_widget_show( GTK_WIDGET(nb_page->m_label) );
 649     if (select && (m_pagesData.GetCount() > 1))
 650     {
 651         if (position < 0)
 652             SetSelection( GetPageCount()-1 );
 653         else
 654             SetSelection( position );
 655     }
 656
 657     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 658       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 659
 660     return TRUE;
 661 }
 662
 663 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 664 {
 665     if (event.IsWindowChange())
 666         AdvanceSelection( event.GetDirection() );
 667     else
 668         event.Skip();
 669 }
 670
 671 #if wxUSE_CONSTRAINTS
 672
 673 // override these 2 functions to do nothing: everything is done in OnSize
 674 void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
 675 {
 676     // don't set the sizes of the pages - their correct size is not yet known
 677     wxControl::SetConstraintSizes(FALSE);
 678 }
 679
 680 bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
 681 {
 682     return TRUE;
 683 }
 684
 685 #endif
 686
 687 void wxNotebook::ApplyWidgetStyle()
 688 {
 689     // TODO, font for labels etc
 690
 691     SetWidgetStyle();
 692     gtk_widget_set_style( m_widget, m_widgetStyle );
 693 }
 694
 695 bool wxNotebook::IsOwnGtkWindow( GdkWindow *window )
 696 {
 697     return ((m_widget->window == window) ||
 698             (NOTEBOOK_PANEL(m_widget) == window));
 699 }
 700
 701 //-----------------------------------------------------------------------------
 702 // wxNotebookEvent
 703 //-----------------------------------------------------------------------------
 704
 705 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 706
 707 #endif