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 #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* parent, wxWindow* child )
 226 {
 227     // Hack alert! We manually set the child window
 228     // parent field so that GTK can query the
 229     // notebook's style and font. Without that, GetBestSize could return
 230     // incorrect size, see bug #901694 for details
 231     // (http://sourceforge.net/tracker/?func=detail&aid=901694&group_id=9863&atid=109863)
 232     child->m_widget->parent = parent->m_widget;
 233 }
 234
 235 //-----------------------------------------------------------------------------
 236 // wxNotebook
 237 //-----------------------------------------------------------------------------
 238
 239 IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)
 240
 241 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
 242     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
 243 END_EVENT_TABLE()
 244
 245 void wxNotebook::Init()
 246 {
 247     m_padding = 0;
 248     m_inSwitchPage = FALSE;
 249
 250     m_imageList = (wxImageList *) NULL;
 251     m_selection = -1;
 252     m_themeEnabled = TRUE;
 253 }
 254
 255 wxNotebook::wxNotebook()
 256 {
 257     Init();
 258 }
 259
 260 wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id,
 261       const wxPoint& pos, const wxSize& size,
 262       long style, const wxString& name )
 263 {
 264     Init();
 265     Create( parent, id, pos, size, style, name );
 266 }
 267
 268 wxNotebook::~wxNotebook()
 269 {
 270     DeleteAllPages();
 271 }
 272
 273 bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
 274                         const wxPoint& pos, const wxSize& size,
 275                         long style, const wxString& name )
 276 {
 277     m_needParent = TRUE;
 278     m_acceptsFocus = TRUE;
 279     m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook;
 280
 281     if (!PreCreation( parent, pos, size ) ||
 282         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 283     {
 284         wxFAIL_MSG( wxT("wxNoteBook creation failed") );
 285         return FALSE;
 286     }
 287
 288
 289     m_widget = gtk_notebook_new();
 290
 291     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 292
 293     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 294       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 295
 296     m_parent->DoAddChild( this );
 297
 298     if (m_windowStyle & wxNB_RIGHT)
 299         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
 300     if (m_windowStyle & wxNB_LEFT)
 301         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
 302     if (m_windowStyle & wxNB_BOTTOM)
 303         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
 304
 305     gtk_signal_connect( GTK_OBJECT(m_widget), "key_press_event",
 306       GTK_SIGNAL_FUNC(gtk_notebook_key_press_callback), (gpointer)this );
 307
 308     PostCreation();
 309
 310     SetFont( parent->GetFont() );
 311
 312     gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
 313                             GTK_SIGNAL_FUNC(gtk_notebook_realized_callback), (gpointer) this );
 314
 315     Show( TRUE );
 316
 317     return TRUE;
 318 }
 319
 320 int wxNotebook::GetSelection() const
 321 {
 322     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 323
 324     if ( m_selection == -1 )
 325     {
 326         GList *nb_pages = GTK_NOTEBOOK(m_widget)->children;
 327
 328         if (g_list_length(nb_pages) != 0)
 329         {
 330             GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 331
 332             gpointer cur = notebook->cur_page;
 333             if ( cur != NULL )
 334             {
 335                 wxConstCast(this, wxNotebook)->m_selection =
 336                     g_list_index( nb_pages, cur );
 337             }
 338         }
 339     }
 340
 341     return m_selection;
 342 }
 343
 344 wxString wxNotebook::GetPageText( size_t page ) const
 345 {
 346     wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid notebook") );
 347
 348     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 349     if (nb_page)
 350         return nb_page->m_text;
 351     else
 352         return wxT("");
 353 }
 354
 355 int wxNotebook::GetPageImage( size_t page ) const
 356 {
 357     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 358
 359     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 360     if (nb_page)
 361         return nb_page->m_image;
 362     else
 363         return -1;
 364 }
 365
 366 wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const
 367 {
 368     wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") );
 369
 370     wxCHECK_MSG( page < (int)m_pagesData.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") );
 371
 372     return m_pagesData.Item(page)->GetData();
 373 }
 374
 375 int wxNotebook::SetSelection( size_t page )
 376 {
 377     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 378
 379     wxCHECK_MSG( page < m_pagesData.GetCount(), -1, wxT("invalid notebook index") );
 380
 381     int selOld = GetSelection();
 382
 383     // cache the selection
 384     m_selection = page;
 385     gtk_notebook_set_page( GTK_NOTEBOOK(m_widget), page );
 386
 387     wxNotebookPage *client = GetPage(page);
 388     if ( client )
 389         client->SetFocus();
 390
 391     return selOld;
 392 }
 393
 394 bool wxNotebook::SetPageText( size_t 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, wxGTK_CONV( nb_page->m_text ) );
 405
 406     return TRUE;
 407 }
 408
 409 bool wxNotebook::SetPageImage( size_t 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, m_padding);
 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 &padding )
 500 {
 501     wxCHECK_RET( m_widget != NULL, wxT("invalid notebook") );
 502
 503     m_padding = padding.GetWidth();
 504
 505     int i;
 506     for (i=0; i<int(GetPageCount()); i++)
 507     {
 508         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 509         wxASSERT(nb_page != NULL);
 510
 511         if (nb_page->m_image != -1)
 512         {
 513             // gtk_box_set_child_packing sets padding on BOTH sides
 514             // icon provides left padding, label provides center and right
 515             int image = nb_page->m_image;
 516             SetPageImage(i,-1);
 517             SetPageImage(i,image);
 518         }
 519         wxASSERT(nb_page->m_label);
 520         gtk_box_set_child_packing(GTK_BOX(nb_page->m_box),
 521                                   GTK_WIDGET(nb_page->m_label),
 522                                   FALSE, FALSE, m_padding, GTK_PACK_END);
 523     }
 524 }
 525
 526 void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
 527 {
 528     wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
 529 }
 530
 531 bool wxNotebook::DeleteAllPages()
 532 {
 533     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 534
 535     while (m_pagesData.GetCount() > 0)
 536         DeletePage( m_pagesData.GetCount()-1 );
 537
 538     wxASSERT_MSG( GetPageCount() == 0, _T("all pages must have been deleted") );
 539
 540     return wxNotebookBase::DeleteAllPages();
 541 }
 542
 543 bool wxNotebook::DeletePage( size_t page )
 544 {
 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     // it will call our DoRemovePage() to do the real work
 552     return wxNotebookBase::DeletePage(page);
 553 }
 554
 555 wxNotebookPage *wxNotebook::DoRemovePage( size_t page )
 556 {
 557     wxNotebookPage *client = wxNotebookBase::DoRemovePage(page);
 558     if ( !client )
 559         return NULL;
 560
 561     gtk_widget_ref( client->m_widget );
 562     gtk_widget_unrealize( client->m_widget );
 563     gtk_widget_unparent( client->m_widget );
 564
 565     // gtk_notebook_remove_page() sends "switch_page" signal with some strange
 566     // new page index (when deleting selected page 0, new page is 1 although,
 567     // clearly, the selection should stay 0), so suppress this
 568     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 569       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 570
 571     gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
 572
 573     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 574       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 575
 576     wxGtkNotebookPage* p = GetNotebookPage(page);
 577     m_pagesData.DeleteObject(p);
 578     delete p;
 579
 580     return client;
 581 }
 582
 583 bool wxNotebook::InsertPage( size_t position,
 584                              wxNotebookPage* win,
 585                              const wxString& text,
 586                              bool select,
 587                              int imageId )
 588 {
 589     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 590
 591     wxCHECK_MSG( win->GetParent() == this, FALSE,
 592                wxT("Can't add a page whose parent is not the notebook!") );
 593
 594     wxCHECK_MSG( position <= GetPageCount(), FALSE,
 595                  _T("invalid page index in wxNotebookPage::InsertPage()") );
 596
 597     // Hack alert part II! See above in InsertChildInNotebook
 598     // callback why this has to be done.
 599     win->m_widget->parent = NULL;
 600
 601     // don't receive switch page during addition
 602     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 603       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 604
 605     if (m_themeEnabled)
 606         win->SetThemeEnabled(TRUE);
 607
 608     GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 609
 610     wxGtkNotebookPage *nb_page = new wxGtkNotebookPage();
 611
 612     if ( position == GetPageCount() )
 613         m_pagesData.Append( nb_page );
 614     else
 615         m_pagesData.Insert( m_pagesData.Item( position ), nb_page );
 616
 617     m_pages.Insert(win, position);
 618
 619     nb_page->m_box = gtk_hbox_new( FALSE, 1 );
 620     gtk_container_border_width( GTK_CONTAINER(nb_page->m_box), 2 );
 621
 622     gtk_signal_connect( GTK_OBJECT(win->m_widget), "size_allocate",
 623       GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)win );
 624
 625 #ifndef __VMS
 626    // On VMS position is unsigned and thus always positive
 627    if (position < 0)
 628         gtk_notebook_append_page( notebook, win->m_widget, nb_page->m_box );
 629     else
 630 #endif
 631      gtk_notebook_insert_page( notebook, win->m_widget, nb_page->m_box, position );
 632
 633     nb_page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;
 634
 635     /* set the label image */
 636     nb_page->m_image = imageId;
 637
 638     if (imageId != -1)
 639     {
 640         wxASSERT( m_imageList != NULL );
 641
 642         const wxBitmap *bmp = m_imageList->GetBitmap(imageId);
 643         GdkPixmap *pixmap = bmp->GetPixmap();
 644         GdkBitmap *mask = (GdkBitmap*) NULL;
 645         if ( bmp->GetMask() )
 646         {
 647             mask = bmp->GetMask()->GetBitmap();
 648         }
 649
 650         GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );
 651
 652         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 653
 654         gtk_widget_show(pixmapwid);
 655     }
 656
 657     /* set the label text */
 658     nb_page->m_text = text;
 659     if (nb_page->m_text.IsEmpty()) nb_page->m_text = wxT("");
 660
 661     nb_page->m_label = GTK_LABEL( gtk_label_new(wxGTK_CONV(nb_page->m_text)) );
 662     gtk_box_pack_end( GTK_BOX(nb_page->m_box), GTK_WIDGET(nb_page->m_label), FALSE, FALSE, m_padding );
 663
 664     /* show the label */
 665     gtk_widget_show( GTK_WIDGET(nb_page->m_label) );
 666     if (select && (m_pagesData.GetCount() > 1))
 667     {
 668 #ifndef __VMS
 669    // On VMS position is unsigned and thus always positive
 670         if (position < 0)
 671             SetSelection( GetPageCount()-1 );
 672         else
 673 #endif
 674             SetSelection( position );
 675     }
 676
 677     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 678       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 679
 680     return TRUE;
 681 }
 682
 683 // helper for HitTest(): check if the point lies inside the given widget which
 684 // is the child of the notebook whose position and border size are passed as
 685 // parameters
 686 static bool
 687 IsPointInsideWidget(const wxPoint& pt, GtkWidget *w,
 688                     gint x, gint y, gint border = 0)
 689 {
 690     return
 691         (pt.x >= w->allocation.x - x - border) &&
 692         (pt.x <= w->allocation.x - x + border + w->allocation.width) &&
 693         (pt.y >= w->allocation.y - y - border) &&
 694         (pt.y <= w->allocation.y - y + border + w->allocation.height);
 695 }
 696
 697 int wxNotebook::HitTest(const wxPoint& pt, long *flags) const
 698 {
 699     const gint x = m_widget->allocation.x;
 700     const gint y = m_widget->allocation.y;
 701
 702     const size_t count = GetPageCount();
 703     for ( size_t i = 0; i < count; i++ )
 704     {
 705         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 706         GtkWidget *box = nb_page->m_box;
 707
 708         // VZ: don't know how to find the border width in GTK+ 1.2
 709 #ifdef __WXGTK20__
 710         const gint border = gtk_container_get_border_width(GTK_CONTAINER(box));
 711 #else // !GTK+ 2.x
 712         const gint border = 0;
 713 #endif
 714         if ( IsPointInsideWidget(pt, box, x, y, border) )
 715         {
 716             // ok, we're inside this tab -- now find out where, if needed
 717             if ( flags )
 718             {
 719                 GtkWidget *pixmap = NULL;
 720
 721                 GList *children = gtk_container_children(GTK_CONTAINER(box));
 722                 for ( GList *child = children; child; child = child->next )
 723                 {
 724                     if ( GTK_IS_PIXMAP(child->data) )
 725                     {
 726                         pixmap = GTK_WIDGET(child->data);
 727                         break;
 728                     }
 729                 }
 730
 731                 if ( children )
 732                     g_list_free(children);
 733
 734                 if ( pixmap && IsPointInsideWidget(pt, pixmap, x, y) )
 735                 {
 736                     *flags = wxNB_HITTEST_ONICON;
 737                 }
 738                 else if ( IsPointInsideWidget(pt, GTK_WIDGET(nb_page->m_label), x, y) )
 739                 {
 740                     *flags = wxNB_HITTEST_ONLABEL;
 741                 }
 742                 else
 743                 {
 744                     *flags = wxNB_HITTEST_ONITEM;
 745                 }
 746             }
 747
 748             return i;
 749         }
 750     }
 751
 752     if ( flags )
 753         *flags = wxNB_HITTEST_NOWHERE;
 754
 755     return wxNOT_FOUND;
 756 }
 757
 758 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 759 {
 760     if (event.IsWindowChange())
 761         AdvanceSelection( event.GetDirection() );
 762     else
 763         event.Skip();
 764 }
 765
 766 #if wxUSE_CONSTRAINTS
 767
 768 // override these 2 functions to do nothing: everything is done in OnSize
 769 void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
 770 {
 771     // don't set the sizes of the pages - their correct size is not yet known
 772     wxControl::SetConstraintSizes(FALSE);
 773 }
 774
 775 bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
 776 {
 777     return TRUE;
 778 }
 779
 780 #endif
 781
 782 void wxNotebook::ApplyWidgetStyle()
 783 {
 784     // TODO, font for labels etc
 785
 786     SetWidgetStyle();
 787     gtk_widget_set_style( m_widget, m_widgetStyle );
 788 }
 789
 790 bool wxNotebook::IsOwnGtkWindow( GdkWindow *window )
 791 {
 792     return ((m_widget->window == window) ||
 793             (NOTEBOOK_PANEL(m_widget) == window));
 794 }
 795
 796 //-----------------------------------------------------------------------------
 797 // wxNotebookEvent
 798 //-----------------------------------------------------------------------------
 799
 800 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 801
 802 #endif