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.
 230     child->m_widget->parent = parent->m_widget;
 231 }
 232
 233 //-----------------------------------------------------------------------------
 234 // wxNotebook
 235 //-----------------------------------------------------------------------------
 236
 237 IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)
 238
 239 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
 240     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
 241 END_EVENT_TABLE()
 242
 243 void wxNotebook::Init()
 244 {
 245     m_padding = 0;
 246     m_inSwitchPage = FALSE;
 247
 248     m_imageList = (wxImageList *) NULL;
 249     m_selection = -1;
 250     m_themeEnabled = TRUE;
 251 }
 252
 253 wxNotebook::wxNotebook()
 254 {
 255     Init();
 256 }
 257
 258 wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id,
 259       const wxPoint& pos, const wxSize& size,
 260       long style, const wxString& name )
 261 {
 262     Init();
 263     Create( parent, id, pos, size, style, name );
 264 }
 265
 266 wxNotebook::~wxNotebook()
 267 {
 268     DeleteAllPages();
 269 }
 270
 271 bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
 272                         const wxPoint& pos, const wxSize& size,
 273                         long style, const wxString& name )
 274 {
 275     m_needParent = TRUE;
 276     m_acceptsFocus = TRUE;
 277     m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook;
 278
 279     if (!PreCreation( parent, pos, size ) ||
 280         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 281     {
 282         wxFAIL_MSG( wxT("wxNoteBook creation failed") );
 283         return FALSE;
 284     }
 285
 286
 287     m_widget = gtk_notebook_new();
 288
 289     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 290
 291     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 292       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 293
 294     m_parent->DoAddChild( this );
 295
 296     if (m_windowStyle & wxNB_RIGHT)
 297         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
 298     if (m_windowStyle & wxNB_LEFT)
 299         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
 300     if (m_windowStyle & wxNB_BOTTOM)
 301         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
 302
 303     gtk_signal_connect( GTK_OBJECT(m_widget), "key_press_event",
 304       GTK_SIGNAL_FUNC(gtk_notebook_key_press_callback), (gpointer)this );
 305
 306     PostCreation();
 307
 308     SetFont( parent->GetFont() );
 309
 310     gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
 311                             GTK_SIGNAL_FUNC(gtk_notebook_realized_callback), (gpointer) this );
 312
 313     Show( TRUE );
 314
 315     return TRUE;
 316 }
 317
 318 int wxNotebook::GetSelection() const
 319 {
 320     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 321
 322     if ( m_selection == -1 )
 323     {
 324         GList *nb_pages = GTK_NOTEBOOK(m_widget)->children;
 325
 326         if (g_list_length(nb_pages) != 0)
 327         {
 328             GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 329
 330             gpointer cur = notebook->cur_page;
 331             if ( cur != NULL )
 332             {
 333                 wxConstCast(this, wxNotebook)->m_selection =
 334                     g_list_index( nb_pages, cur );
 335             }
 336         }
 337     }
 338
 339     return m_selection;
 340 }
 341
 342 wxString wxNotebook::GetPageText( size_t page ) const
 343 {
 344     wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid notebook") );
 345
 346     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 347     if (nb_page)
 348         return nb_page->m_text;
 349     else
 350         return wxT("");
 351 }
 352
 353 int wxNotebook::GetPageImage( size_t page ) const
 354 {
 355     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 356
 357     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 358     if (nb_page)
 359         return nb_page->m_image;
 360     else
 361         return -1;
 362 }
 363
 364 wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const
 365 {
 366     wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") );
 367
 368     wxCHECK_MSG( page < (int)m_pagesData.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") );
 369
 370     return m_pagesData.Item(page)->GetData();
 371 }
 372
 373 int wxNotebook::SetSelection( size_t page )
 374 {
 375     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 376
 377     wxCHECK_MSG( page < m_pagesData.GetCount(), -1, wxT("invalid notebook index") );
 378
 379     int selOld = GetSelection();
 380
 381     // cache the selection
 382     m_selection = page;
 383     gtk_notebook_set_page( GTK_NOTEBOOK(m_widget), page );
 384
 385     wxNotebookPage *client = GetPage(page);
 386     if ( client )
 387         client->SetFocus();
 388
 389     return selOld;
 390 }
 391
 392 bool wxNotebook::SetPageText( size_t page, const wxString &text )
 393 {
 394     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 395
 396     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 397
 398     wxCHECK_MSG( nb_page, FALSE, wxT("SetPageText: invalid page index") );
 399
 400     nb_page->m_text = text;
 401
 402     gtk_label_set( nb_page->m_label, wxGTK_CONV( nb_page->m_text ) );
 403
 404     return TRUE;
 405 }
 406
 407 bool wxNotebook::SetPageImage( size_t page, int image )
 408 {
 409     /* HvdH 28-12-98: now it works, but it's a bit of a kludge */
 410
 411     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 412
 413     if (!nb_page) return FALSE;
 414
 415     /* Optimization posibility: return immediately if image unchanged.
 416      * Not enabled because it may break existing (stupid) code that
 417      * manipulates the imagelist to cycle images */
 418
 419     /* if (image == nb_page->m_image) return TRUE; */
 420
 421     /* For different cases:
 422        1) no image -> no image
 423        2) image -> no image
 424        3) no image -> image
 425        4) image -> image */
 426
 427     if (image == -1 && nb_page->m_image == -1)
 428         return TRUE; /* Case 1): Nothing to do. */
 429
 430     GtkWidget *pixmapwid = (GtkWidget*) NULL;
 431
 432     if (nb_page->m_image != -1)
 433     {
 434         /* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */
 435
 436         GList *child = gtk_container_children(GTK_CONTAINER(nb_page->m_box));
 437         while (child)
 438         {
 439             if (GTK_IS_PIXMAP(child->data))
 440             {
 441                 pixmapwid = GTK_WIDGET(child->data);
 442                 break;
 443             }
 444             child = child->next;
 445         }
 446
 447         /* We should have the pixmap widget now */
 448         wxASSERT(pixmapwid != NULL);
 449
 450         if (image == -1)
 451         {
 452             /* If there's no new widget, just remove the old from the box */
 453             gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid);
 454             nb_page->m_image = -1;
 455
 456             return TRUE; /* Case 2) */
 457         }
 458     }
 459
 460     /* Only cases 3) and 4) left */
 461     wxASSERT( m_imageList != NULL ); /* Just in case */
 462
 463     /* Construct the new pixmap */
 464     const wxBitmap *bmp = m_imageList->GetBitmap(image);
 465     GdkPixmap *pixmap = bmp->GetPixmap();
 466     GdkBitmap *mask = (GdkBitmap*) NULL;
 467     if ( bmp->GetMask() )
 468     {
 469         mask = bmp->GetMask()->GetBitmap();
 470     }
 471
 472     if (pixmapwid == NULL)
 473     {
 474         /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */
 475         pixmapwid = gtk_pixmap_new (pixmap, mask );
 476
 477         /* CHECKME: Are these pack flags okay? */
 478         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 479         gtk_widget_show(pixmapwid);
 480     }
 481     else
 482     {
 483         /* Case 4) Simply replace the pixmap */
 484         gtk_pixmap_set(GTK_PIXMAP(pixmapwid), pixmap, mask);
 485     }
 486
 487     nb_page->m_image = image;
 488
 489     return TRUE;
 490 }
 491
 492 void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) )
 493 {
 494     wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
 495 }
 496
 497 void wxNotebook::SetPadding( const wxSize &padding )
 498 {
 499     wxCHECK_RET( m_widget != NULL, wxT("invalid notebook") );
 500
 501     m_padding = padding.GetWidth();
 502
 503     int i;
 504     for (i=0; i<int(GetPageCount()); i++)
 505     {
 506         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 507         wxASSERT(nb_page != NULL);
 508
 509         if (nb_page->m_image != -1)
 510         {
 511             // gtk_box_set_child_packing sets padding on BOTH sides
 512             // icon provides left padding, label provides center and right
 513             int image = nb_page->m_image;
 514             SetPageImage(i,-1);
 515             SetPageImage(i,image);
 516         }
 517         wxASSERT(nb_page->m_label);
 518         gtk_box_set_child_packing(GTK_BOX(nb_page->m_box),
 519                                   GTK_WIDGET(nb_page->m_label),
 520                                   FALSE, FALSE, m_padding, GTK_PACK_END);
 521     }
 522 }
 523
 524 void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
 525 {
 526     wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
 527 }
 528
 529 bool wxNotebook::DeleteAllPages()
 530 {
 531     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 532
 533     while (m_pagesData.GetCount() > 0)
 534         DeletePage( m_pagesData.GetCount()-1 );
 535
 536     wxASSERT_MSG( GetPageCount() == 0, _T("all pages must have been deleted") );
 537
 538     return wxNotebookBase::DeleteAllPages();
 539 }
 540
 541 bool wxNotebook::DeletePage( size_t page )
 542 {
 543     if ( m_selection == (int)m_pagesData.GetCount() - 1 )
 544     {
 545         // the index will become invalid after the page is deleted
 546         m_selection = -1;
 547     }
 548
 549     // it will call our DoRemovePage() to do the real work
 550     return wxNotebookBase::DeletePage(page);
 551 }
 552
 553 wxNotebookPage *wxNotebook::DoRemovePage( size_t page )
 554 {
 555     wxNotebookPage *client = wxNotebookBase::DoRemovePage(page);
 556     if ( !client )
 557         return NULL;
 558
 559     gtk_widget_ref( client->m_widget );
 560     gtk_widget_unrealize( client->m_widget );
 561     gtk_widget_unparent( client->m_widget );
 562
 563     // gtk_notebook_remove_page() sends "switch_page" signal with some strange
 564     // new page index (when deleting selected page 0, new page is 1 although,
 565     // clearly, the selection should stay 0), so suppress this
 566     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 567       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 568
 569     gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
 570
 571     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 572       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 573
 574     wxGtkNotebookPage* p = GetNotebookPage(page);
 575     m_pagesData.DeleteObject(p);
 576     delete p;
 577
 578     return client;
 579 }
 580
 581 bool wxNotebook::InsertPage( size_t position,
 582                              wxNotebookPage* win,
 583                              const wxString& text,
 584                              bool select,
 585                              int imageId )
 586 {
 587     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 588
 589     wxCHECK_MSG( win->GetParent() == this, FALSE,
 590                wxT("Can't add a page whose parent is not the notebook!") );
 591
 592     wxCHECK_MSG( position <= GetPageCount(), FALSE,
 593                  _T("invalid page index in wxNotebookPage::InsertPage()") );
 594
 595     // Hack alert part II! See above in InsertChildInNotebook
 596     // callback why this has to be done.
 597     win->m_widget->parent = NULL;
 598
 599     // don't receive switch page during addition
 600     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 601       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 602
 603     if (m_themeEnabled)
 604         win->SetThemeEnabled(TRUE);
 605
 606     GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 607
 608     wxGtkNotebookPage *nb_page = new wxGtkNotebookPage();
 609
 610     if ( position == GetPageCount() )
 611         m_pagesData.Append( nb_page );
 612     else
 613         m_pagesData.Insert( m_pagesData.Item( position ), nb_page );
 614
 615     m_pages.Insert(win, position);
 616
 617     nb_page->m_box = gtk_hbox_new( FALSE, 1 );
 618     gtk_container_border_width( GTK_CONTAINER(nb_page->m_box), 2 );
 619
 620     gtk_signal_connect( GTK_OBJECT(win->m_widget), "size_allocate",
 621       GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)win );
 622
 623 #ifndef __VMS
 624    // On VMS position is unsigned and thus always positive
 625    if (position < 0)
 626         gtk_notebook_append_page( notebook, win->m_widget, nb_page->m_box );
 627     else
 628 #endif
 629      gtk_notebook_insert_page( notebook, win->m_widget, nb_page->m_box, position );
 630
 631     nb_page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;
 632
 633     /* set the label image */
 634     nb_page->m_image = imageId;
 635
 636     if (imageId != -1)
 637     {
 638         wxASSERT( m_imageList != NULL );
 639
 640         const wxBitmap *bmp = m_imageList->GetBitmap(imageId);
 641         GdkPixmap *pixmap = bmp->GetPixmap();
 642         GdkBitmap *mask = (GdkBitmap*) NULL;
 643         if ( bmp->GetMask() )
 644         {
 645             mask = bmp->GetMask()->GetBitmap();
 646         }
 647
 648         GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );
 649
 650         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 651
 652         gtk_widget_show(pixmapwid);
 653     }
 654
 655     /* set the label text */
 656     nb_page->m_text = text;
 657     if (nb_page->m_text.IsEmpty()) nb_page->m_text = wxT("");
 658
 659     nb_page->m_label = GTK_LABEL( gtk_label_new(wxGTK_CONV(nb_page->m_text)) );
 660     gtk_box_pack_end( GTK_BOX(nb_page->m_box), GTK_WIDGET(nb_page->m_label), FALSE, FALSE, m_padding );
 661
 662     /* show the label */
 663     gtk_widget_show( GTK_WIDGET(nb_page->m_label) );
 664     if (select && (m_pagesData.GetCount() > 1))
 665     {
 666 #ifndef __VMS
 667    // On VMS position is unsigned and thus always positive
 668         if (position < 0)
 669             SetSelection( GetPageCount()-1 );
 670         else
 671 #endif
 672             SetSelection( position );
 673     }
 674
 675     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 676       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 677
 678     return TRUE;
 679 }
 680
 681 // helper for HitTest(): check if the point lies inside the given widget which
 682 // is the child of the notebook whose position and border size are passed as
 683 // parameters
 684 static bool
 685 IsPointInsideWidget(const wxPoint& pt, GtkWidget *w,
 686                     gint x, gint y, gint border = 0)
 687 {
 688     return
 689         (pt.x >= w->allocation.x - x - border) &&
 690         (pt.x <= w->allocation.x - x + border + w->allocation.width) &&
 691         (pt.y >= w->allocation.y - y - border) &&
 692         (pt.y <= w->allocation.y - y + border + w->allocation.height);
 693 }
 694
 695 int wxNotebook::HitTest(const wxPoint& pt, long *flags) const
 696 {
 697     const gint x = m_widget->allocation.x;
 698     const gint y = m_widget->allocation.y;
 699
 700     const size_t count = GetPageCount();
 701     for ( size_t i = 0; i < count; i++ )
 702     {
 703         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 704         GtkWidget *box = nb_page->m_box;
 705
 706         // VZ: don't know how to find the border width in GTK+ 1.2
 707 #ifdef __WXGTK20__
 708         const gint border = gtk_container_get_border_width(GTK_CONTAINER(box));
 709 #else // !GTK+ 2.x
 710         const gint border = 0;
 711 #endif
 712         if ( IsPointInsideWidget(pt, box, x, y, border) )
 713         {
 714             // ok, we're inside this tab -- now find out where, if needed
 715             if ( flags )
 716             {
 717                 GtkWidget *pixmap = NULL;
 718
 719                 GList *children = gtk_container_children(GTK_CONTAINER(box));
 720                 for ( GList *child = children; child; child = child->next )
 721                 {
 722                     if ( GTK_IS_PIXMAP(child->data) )
 723                     {
 724                         pixmap = GTK_WIDGET(child->data);
 725                         break;
 726                     }
 727                 }
 728
 729                 if ( children )
 730                     g_list_free(children);
 731
 732                 if ( pixmap && IsPointInsideWidget(pt, pixmap, x, y) )
 733                 {
 734                     *flags = wxNB_HITTEST_ONICON;
 735                 }
 736                 else if ( IsPointInsideWidget(pt, GTK_WIDGET(nb_page->m_label), x, y) )
 737                 {
 738                     *flags = wxNB_HITTEST_ONLABEL;
 739                 }
 740                 else
 741                 {
 742                     *flags = wxNB_HITTEST_ONITEM;
 743                 }
 744             }
 745
 746             return i;
 747         }
 748     }
 749
 750     if ( flags )
 751         *flags = wxNB_HITTEST_NOWHERE;
 752
 753     return wxNOT_FOUND;
 754 }
 755
 756 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 757 {
 758     if (event.IsWindowChange())
 759         AdvanceSelection( event.GetDirection() );
 760     else
 761         event.Skip();
 762 }
 763
 764 #if wxUSE_CONSTRAINTS
 765
 766 // override these 2 functions to do nothing: everything is done in OnSize
 767 void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
 768 {
 769     // don't set the sizes of the pages - their correct size is not yet known
 770     wxControl::SetConstraintSizes(FALSE);
 771 }
 772
 773 bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
 774 {
 775     return TRUE;
 776 }
 777
 778 #endif
 779
 780 void wxNotebook::ApplyWidgetStyle()
 781 {
 782     // TODO, font for labels etc
 783
 784     SetWidgetStyle();
 785     gtk_widget_set_style( m_widget, m_widgetStyle );
 786 }
 787
 788 bool wxNotebook::IsOwnGtkWindow( GdkWindow *window )
 789 {
 790     return ((m_widget->window == window) ||
 791             (NOTEBOOK_PANEL(m_widget) == window));
 792 }
 793
 794 //-----------------------------------------------------------------------------
 795 // wxNotebookEvent
 796 //-----------------------------------------------------------------------------
 797
 798 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 799
 800 #endif