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 #include "wx/fontutil.h"
  28
  29 #include "wx/gtk/private.h"
  30 #include "wx/gtk/win_gtk.h"
  31
  32 #include <gdk/gdkkeysyms.h>
  33
  34 #include "wx/msgdlg.h"
  35
  36 // ----------------------------------------------------------------------------
  37 // events
  38 // ----------------------------------------------------------------------------
  39
  40 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
  41 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
  42
  43 //-----------------------------------------------------------------------------
  44 // idle system
  45 //-----------------------------------------------------------------------------
  46
  47 extern void wxapp_install_idle_handler();
  48 extern bool g_isIdle;
  49
  50 //-----------------------------------------------------------------------------
  51 // data
  52 //-----------------------------------------------------------------------------
  53
  54 extern bool g_blockEventsOnDrag;
  55
  56 //-----------------------------------------------------------------------------
  57 // wxGtkNotebookPage
  58 //-----------------------------------------------------------------------------
  59
  60 // VZ: this is rather ugly as we keep the pages themselves in an array (it
  61 //     allows us to have quite a few functions implemented in the base class)
  62 //     but the page data is kept in a separate list, so we must maintain them
  63 //     in sync manually... of course, the list had been there before the base
  64 //     class which explains it but it still would be nice to do something
  65 //     about this one day
  66
  67 class wxGtkNotebookPage: public wxObject
  68 {
  69 public:
  70     wxGtkNotebookPage()
  71     {
  72         m_image = -1;
  73         m_page = (GtkNotebookPage *) NULL;
  74         m_box = (GtkWidget *) NULL;
  75     }
  76
  77     wxString           m_text;
  78     int                m_image;
  79     GtkNotebookPage   *m_page;
  80     GtkLabel          *m_label;
  81     GtkWidget         *m_box;     // in which the label and image are packed
  82 };
  83
  84
  85 #include "wx/listimpl.cpp"
  86 WX_DEFINE_LIST(wxGtkNotebookPagesList);
  87
  88
  89 //-----------------------------------------------------------------------------
  90 // "switch_page"
  91 //-----------------------------------------------------------------------------
  92
  93 static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
  94                                               GtkNotebookPage *WXUNUSED(page),
  95                                               gint page,
  96                                               wxNotebook *notebook )
  97 {
  98     // are you trying to call SetSelection() from a notebook event handler?
  99     // you shouldn't!
 100     wxCHECK_RET( !notebook->m_inSwitchPage,
 101                  _T("gtk_notebook_page_change_callback reentered") );
 102
 103     notebook->m_inSwitchPage = TRUE;
 104     if (g_isIdle)
 105         wxapp_install_idle_handler();
 106
 107     int old = notebook->GetSelection();
 108
 109     wxNotebookEvent eventChanging( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING,
 110                                    notebook->GetId(), page, old );
 111     eventChanging.SetEventObject( notebook );
 112
 113     if ( (notebook->GetEventHandler()->ProcessEvent(eventChanging)) &&
 114          !eventChanging.IsAllowed() )
 115     {
 116         /* program doesn't allow the page change */
 117         gtk_signal_emit_stop_by_name( GTK_OBJECT(notebook->m_widget),
 118                                       "switch_page" );
 119     }
 120     else // change allowed
 121     {
 122         // make wxNotebook::GetSelection() return the correct (i.e. consistent
 123         // with wxNotebookEvent::GetSelection()) value even though the page is
 124         // not really changed in GTK+
 125         notebook->m_selection = page;
 126
 127         wxNotebookEvent eventChanged( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED,
 128                                       notebook->GetId(), page, old );
 129         eventChanged.SetEventObject( notebook );
 130         notebook->GetEventHandler()->ProcessEvent( eventChanged );
 131     }
 132
 133     notebook->m_inSwitchPage = FALSE;
 134 }
 135
 136 //-----------------------------------------------------------------------------
 137 // "size_allocate"
 138 //-----------------------------------------------------------------------------
 139
 140 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
 141 {
 142     if (g_isIdle)
 143         wxapp_install_idle_handler();
 144
 145     if ((win->m_x == alloc->x) &&
 146         (win->m_y == alloc->y) &&
 147         (win->m_width == alloc->width) &&
 148         (win->m_height == alloc->height))
 149     {
 150         return;
 151     }
 152
 153     win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
 154
 155     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call allocate
 156        here in order to make repositioning after resizing to take effect. */
 157     if ((gtk_major_version == 1) &&
 158         (gtk_minor_version == 2) &&
 159         (gtk_micro_version < 6) &&
 160         (win->m_wxwindow) &&
 161         (GTK_WIDGET_REALIZED(win->m_wxwindow)))
 162     {
 163         gtk_widget_size_allocate( win->m_wxwindow, alloc );
 164     }
 165 }
 166
 167 //-----------------------------------------------------------------------------
 168 // "realize" from m_widget
 169 //-----------------------------------------------------------------------------
 170
 171 static gint
 172 gtk_notebook_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win )
 173 {
 174     if (g_isIdle)
 175         wxapp_install_idle_handler();
 176
 177     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call a queue_resize
 178        here in order to make repositioning before showing to take effect. */
 179     gtk_widget_queue_resize( win->m_widget );
 180
 181     return FALSE;
 182 }
 183
 184 //-----------------------------------------------------------------------------
 185 // "key_press_event"
 186 //-----------------------------------------------------------------------------
 187
 188 static gint gtk_notebook_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxNotebook *win )
 189 {
 190     if (g_isIdle)
 191         wxapp_install_idle_handler();
 192
 193     if (!win->m_hasVMT) return FALSE;
 194     if (g_blockEventsOnDrag) return FALSE;
 195
 196     /* win is a control: tab can be propagated up */
 197     if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
 198     {
 199         int sel = win->GetSelection();
 200         if (sel == -1)
 201             return TRUE;
 202         wxGtkNotebookPage *nb_page = win->GetNotebookPage(sel);
 203         wxCHECK_MSG( nb_page, FALSE, _T("invalid selection in wxNotebook") );
 204
 205         wxNavigationKeyEvent event;
 206         event.SetEventObject( win );
 207         /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
 208         event.SetDirection( (gdk_event->keyval == GDK_Tab) );
 209         /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
 210         event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
 211         event.SetCurrentFocus( win );
 212
 213         wxNotebookPage *client = win->GetPage(sel);
 214         if ( !client->GetEventHandler()->ProcessEvent( event ) )
 215         {
 216              client->SetFocus();
 217         }
 218
 219         gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
 220         return TRUE;
 221     }
 222
 223     return FALSE;
 224 }
 225
 226 //-----------------------------------------------------------------------------
 227 // InsertChild callback for wxNotebook
 228 //-----------------------------------------------------------------------------
 229
 230 static void wxInsertChildInNotebook( wxNotebook* parent, wxWindow* child )
 231 {
 232     // Hack Alert! (Part I): This sets the notebook as the parent of the child
 233     // widget, and takes care of some details such as updating the state and
 234     // style of the child to reflect its new location.  We do this early
 235     // because without it GetBestSize (which is used to set the initial size
 236     // of controls if an explicit size is not given) will often report
 237     // incorrect sizes since the widget's style context is not fully known.
 238     // See bug #901694 for details
 239     // (http://sourceforge.net/tracker/?func=detail&aid=901694&group_id=9863&atid=109863)
 240     gtk_widget_set_parent(child->m_widget, parent->m_widget);
 241
 242     // NOTE: This should be considered a temporary workaround until we can
 243     // work out the details and implement delaying the setting of the initial
 244     // size of widgets until the size is really needed.
 245 }
 246
 247 //-----------------------------------------------------------------------------
 248 // wxNotebook
 249 //-----------------------------------------------------------------------------
 250
 251 IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)
 252
 253 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
 254     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
 255 END_EVENT_TABLE()
 256
 257 void wxNotebook::Init()
 258 {
 259     m_padding = 0;
 260     m_inSwitchPage = FALSE;
 261
 262     m_imageList = (wxImageList *) NULL;
 263     m_selection = -1;
 264     m_themeEnabled = TRUE;
 265 }
 266
 267 wxNotebook::wxNotebook()
 268 {
 269     Init();
 270 }
 271
 272 wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id,
 273       const wxPoint& pos, const wxSize& size,
 274       long style, const wxString& name )
 275 {
 276     Init();
 277     Create( parent, id, pos, size, style, name );
 278 }
 279
 280 wxNotebook::~wxNotebook()
 281 {
 282     DeleteAllPages();
 283 }
 284
 285 bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
 286                         const wxPoint& pos, const wxSize& size,
 287                         long style, const wxString& name )
 288 {
 289     m_needParent = TRUE;
 290     m_acceptsFocus = TRUE;
 291     m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook;
 292
 293     if (!PreCreation( parent, pos, size ) ||
 294         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 295     {
 296         wxFAIL_MSG( wxT("wxNoteBook creation failed") );
 297         return FALSE;
 298     }
 299
 300
 301     m_widget = gtk_notebook_new();
 302
 303     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 304
 305     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 306       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 307
 308     m_parent->DoAddChild( this );
 309
 310     if (m_windowStyle & wxNB_RIGHT)
 311         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
 312     if (m_windowStyle & wxNB_LEFT)
 313         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
 314     if (m_windowStyle & wxNB_BOTTOM)
 315         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
 316
 317     gtk_signal_connect( GTK_OBJECT(m_widget), "key_press_event",
 318       GTK_SIGNAL_FUNC(gtk_notebook_key_press_callback), (gpointer)this );
 319
 320     PostCreation(size);
 321
 322     gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
 323                             GTK_SIGNAL_FUNC(gtk_notebook_realized_callback), (gpointer) this );
 324
 325     return TRUE;
 326 }
 327
 328 int wxNotebook::GetSelection() const
 329 {
 330     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 331
 332     if ( m_selection == -1 )
 333     {
 334         GList *nb_pages = GTK_NOTEBOOK(m_widget)->children;
 335
 336         if (g_list_length(nb_pages) != 0)
 337         {
 338             GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 339
 340             gpointer cur = notebook->cur_page;
 341             if ( cur != NULL )
 342             {
 343                 wxConstCast(this, wxNotebook)->m_selection =
 344                     g_list_index( nb_pages, cur );
 345             }
 346         }
 347     }
 348
 349     return m_selection;
 350 }
 351
 352 wxString wxNotebook::GetPageText( size_t page ) const
 353 {
 354     wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid notebook") );
 355
 356     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 357     if (nb_page)
 358         return nb_page->m_text;
 359     else
 360         return wxT("");
 361 }
 362
 363 int wxNotebook::GetPageImage( size_t page ) const
 364 {
 365     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 366
 367     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 368     if (nb_page)
 369         return nb_page->m_image;
 370     else
 371         return -1;
 372 }
 373
 374 wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const
 375 {
 376     wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") );
 377
 378     wxCHECK_MSG( page < (int)m_pagesData.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") );
 379
 380     return m_pagesData.Item(page)->GetData();
 381 }
 382
 383 int wxNotebook::SetSelection( size_t page )
 384 {
 385     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 386
 387     wxCHECK_MSG( page < m_pagesData.GetCount(), -1, wxT("invalid notebook index") );
 388
 389     int selOld = GetSelection();
 390
 391     // cache the selection
 392     m_selection = page;
 393     gtk_notebook_set_page( GTK_NOTEBOOK(m_widget), page );
 394
 395     wxNotebookPage *client = GetPage(page);
 396     if ( client )
 397         client->SetFocus();
 398
 399     return selOld;
 400 }
 401
 402 bool wxNotebook::SetPageText( size_t page, const wxString &text )
 403 {
 404     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 405
 406     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 407
 408     wxCHECK_MSG( nb_page, FALSE, wxT("SetPageText: invalid page index") );
 409
 410     nb_page->m_text = text;
 411
 412     gtk_label_set( nb_page->m_label, wxGTK_CONV( nb_page->m_text ) );
 413
 414     return TRUE;
 415 }
 416
 417 bool wxNotebook::SetPageImage( size_t page, int image )
 418 {
 419     /* HvdH 28-12-98: now it works, but it's a bit of a kludge */
 420
 421     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 422
 423     if (!nb_page) return FALSE;
 424
 425     /* Optimization posibility: return immediately if image unchanged.
 426      * Not enabled because it may break existing (stupid) code that
 427      * manipulates the imagelist to cycle images */
 428
 429     /* if (image == nb_page->m_image) return TRUE; */
 430
 431     /* For different cases:
 432        1) no image -> no image
 433        2) image -> no image
 434        3) no image -> image
 435        4) image -> image */
 436
 437     if (image == -1 && nb_page->m_image == -1)
 438         return TRUE; /* Case 1): Nothing to do. */
 439
 440     GtkWidget *pixmapwid = (GtkWidget*) NULL;
 441
 442     if (nb_page->m_image != -1)
 443     {
 444         /* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */
 445
 446         GList *child = gtk_container_children(GTK_CONTAINER(nb_page->m_box));
 447         while (child)
 448         {
 449             if (GTK_IS_PIXMAP(child->data))
 450             {
 451                 pixmapwid = GTK_WIDGET(child->data);
 452                 break;
 453             }
 454             child = child->next;
 455         }
 456
 457         /* We should have the pixmap widget now */
 458         wxASSERT(pixmapwid != NULL);
 459
 460         if (image == -1)
 461         {
 462             /* If there's no new widget, just remove the old from the box */
 463             gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid);
 464             nb_page->m_image = -1;
 465
 466             return TRUE; /* Case 2) */
 467         }
 468     }
 469
 470     /* Only cases 3) and 4) left */
 471     wxASSERT( m_imageList != NULL ); /* Just in case */
 472
 473     /* Construct the new pixmap */
 474     const wxBitmap *bmp = m_imageList->GetBitmap(image);
 475     GdkPixmap *pixmap = bmp->GetPixmap();
 476     GdkBitmap *mask = (GdkBitmap*) NULL;
 477     if ( bmp->GetMask() )
 478     {
 479         mask = bmp->GetMask()->GetBitmap();
 480     }
 481
 482     if (pixmapwid == NULL)
 483     {
 484         /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */
 485         pixmapwid = gtk_pixmap_new (pixmap, mask );
 486
 487         /* CHECKME: Are these pack flags okay? */
 488         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 489         gtk_widget_show(pixmapwid);
 490     }
 491     else
 492     {
 493         /* Case 4) Simply replace the pixmap */
 494         gtk_pixmap_set(GTK_PIXMAP(pixmapwid), pixmap, mask);
 495     }
 496
 497     nb_page->m_image = image;
 498
 499     return TRUE;
 500 }
 501
 502 void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) )
 503 {
 504     wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
 505 }
 506
 507 void wxNotebook::SetPadding( const wxSize &padding )
 508 {
 509     wxCHECK_RET( m_widget != NULL, wxT("invalid notebook") );
 510
 511     m_padding = padding.GetWidth();
 512
 513     int i;
 514     for (i=0; i<int(GetPageCount()); i++)
 515     {
 516         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 517         wxASSERT(nb_page != NULL);
 518
 519         if (nb_page->m_image != -1)
 520         {
 521             // gtk_box_set_child_packing sets padding on BOTH sides
 522             // icon provides left padding, label provides center and right
 523             int image = nb_page->m_image;
 524             SetPageImage(i,-1);
 525             SetPageImage(i,image);
 526         }
 527         wxASSERT(nb_page->m_label);
 528         gtk_box_set_child_packing(GTK_BOX(nb_page->m_box),
 529                                   GTK_WIDGET(nb_page->m_label),
 530                                   FALSE, FALSE, m_padding, GTK_PACK_END);
 531     }
 532 }
 533
 534 void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
 535 {
 536     wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
 537 }
 538
 539 bool wxNotebook::DeleteAllPages()
 540 {
 541     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 542
 543     while (m_pagesData.GetCount() > 0)
 544         DeletePage( m_pagesData.GetCount()-1 );
 545
 546     wxASSERT_MSG( GetPageCount() == 0, _T("all pages must have been deleted") );
 547
 548     InvalidateBestSize();
 549     return wxNotebookBase::DeleteAllPages();
 550 }
 551
 552 wxNotebookPage *wxNotebook::DoRemovePage( size_t page )
 553 {
 554     if ( m_selection != -1 && (size_t)m_selection >= page )
 555     {
 556         // the index will become invalid after the page is deleted
 557         m_selection = -1;
 558     }
 559
 560     wxNotebookPage *client = wxNotebookBase::DoRemovePage(page);
 561     if ( !client )
 562         return NULL;
 563
 564     gtk_widget_ref( client->m_widget );
 565     gtk_widget_unrealize( client->m_widget );
 566     gtk_widget_unparent( client->m_widget );
 567
 568     // gtk_notebook_remove_page() sends "switch_page" signal with some strange
 569     // new page index (when deleting selected page 0, new page is 1 although,
 570     // clearly, the selection should stay 0), so suppress this
 571     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 572       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 573
 574     gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
 575
 576     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 577       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 578
 579     wxGtkNotebookPage* p = GetNotebookPage(page);
 580     m_pagesData.DeleteObject(p);
 581     delete p;
 582
 583     return client;
 584 }
 585
 586 bool wxNotebook::InsertPage( size_t position,
 587                              wxNotebookPage* win,
 588                              const wxString& text,
 589                              bool select,
 590                              int imageId )
 591 {
 592     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 593
 594     wxCHECK_MSG( win->GetParent() == this, FALSE,
 595                wxT("Can't add a page whose parent is not the notebook!") );
 596
 597     wxCHECK_MSG( position <= GetPageCount(), FALSE,
 598                  _T("invalid page index in wxNotebookPage::InsertPage()") );
 599
 600     // Hack Alert! (Part II): See above in wxInsertChildInNotebook callback
 601     // why this has to be done.  NOTE: using gtk_widget_unparent here does not
 602     // work as it seems to undo too much and will cause errors in the
 603     // gtk_notebook_insert_page below, so instead just clear the parent by
 604     // hand here.
 605     win->m_widget->parent = NULL;
 606
 607     // don't receive switch page during addition
 608     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 609       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 610
 611     if (m_themeEnabled)
 612         win->SetThemeEnabled(TRUE);
 613
 614     GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 615
 616     wxGtkNotebookPage *nb_page = new wxGtkNotebookPage();
 617
 618     if ( position == GetPageCount() )
 619         m_pagesData.Append( nb_page );
 620     else
 621         m_pagesData.Insert( m_pagesData.Item( position ), nb_page );
 622
 623     m_pages.Insert(win, position);
 624
 625     nb_page->m_box = gtk_hbox_new( FALSE, 1 );
 626     gtk_container_border_width( GTK_CONTAINER(nb_page->m_box), 2 );
 627
 628     gtk_signal_connect( GTK_OBJECT(win->m_widget), "size_allocate",
 629       GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)win );
 630
 631 #ifndef __VMS
 632    // On VMS position is unsigned and thus always positive
 633    if (position < 0)
 634         gtk_notebook_append_page( notebook, win->m_widget, nb_page->m_box );
 635     else
 636 #endif
 637      gtk_notebook_insert_page( notebook, win->m_widget, nb_page->m_box, position );
 638
 639     nb_page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;
 640
 641     /* set the label image */
 642     nb_page->m_image = imageId;
 643
 644     if (imageId != -1)
 645     {
 646         wxASSERT( m_imageList != NULL );
 647
 648         const wxBitmap *bmp = m_imageList->GetBitmap(imageId);
 649         GdkPixmap *pixmap = bmp->GetPixmap();
 650         GdkBitmap *mask = (GdkBitmap*) NULL;
 651         if ( bmp->GetMask() )
 652         {
 653             mask = bmp->GetMask()->GetBitmap();
 654         }
 655
 656         GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );
 657
 658         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 659
 660         gtk_widget_show(pixmapwid);
 661     }
 662
 663     /* set the label text */
 664
 665     nb_page->m_text = text;
 666     if (nb_page->m_text.IsEmpty()) nb_page->m_text = wxT("");
 667
 668     nb_page->m_label = GTK_LABEL( gtk_label_new(wxGTK_CONV(nb_page->m_text)) );
 669     gtk_box_pack_end( GTK_BOX(nb_page->m_box), GTK_WIDGET(nb_page->m_label), FALSE, FALSE, m_padding );
 670
 671     /* apply current style */
 672     GtkRcStyle *style = CreateWidgetStyle();
 673     if ( style )
 674     {
 675         gtk_widget_modify_style(GTK_WIDGET(nb_page->m_label), style);
 676         gtk_rc_style_unref(style);
 677     }
 678
 679     /* show the label */
 680     gtk_widget_show( GTK_WIDGET(nb_page->m_label) );
 681     if (select && (m_pagesData.GetCount() > 1))
 682     {
 683 #ifndef __VMS
 684    // On VMS position is unsigned and thus always positive
 685         if (position < 0)
 686             SetSelection( GetPageCount()-1 );
 687         else
 688 #endif
 689             SetSelection( position );
 690     }
 691
 692     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 693       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 694
 695     InvalidateBestSize();
 696     return TRUE;
 697 }
 698
 699 // helper for HitTest(): check if the point lies inside the given widget which
 700 // is the child of the notebook whose position and border size are passed as
 701 // parameters
 702 static bool
 703 IsPointInsideWidget(const wxPoint& pt, GtkWidget *w,
 704                     gint x, gint y, gint border = 0)
 705 {
 706     return
 707         (pt.x >= w->allocation.x - x - border) &&
 708         (pt.x <= w->allocation.x - x + border + w->allocation.width) &&
 709         (pt.y >= w->allocation.y - y - border) &&
 710         (pt.y <= w->allocation.y - y + border + w->allocation.height);
 711 }
 712
 713 int wxNotebook::HitTest(const wxPoint& pt, long *flags) const
 714 {
 715     const gint x = m_widget->allocation.x;
 716     const gint y = m_widget->allocation.y;
 717
 718     const size_t count = GetPageCount();
 719     for ( size_t i = 0; i < count; i++ )
 720     {
 721         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 722         GtkWidget *box = nb_page->m_box;
 723
 724         // VZ: don't know how to find the border width in GTK+ 1.2
 725 #ifdef __WXGTK20__
 726         const gint border = gtk_container_get_border_width(GTK_CONTAINER(box));
 727 #else // !GTK+ 2.x
 728         const gint border = 0;
 729 #endif
 730         if ( IsPointInsideWidget(pt, box, x, y, border) )
 731         {
 732             // ok, we're inside this tab -- now find out where, if needed
 733             if ( flags )
 734             {
 735                 GtkWidget *pixmap = NULL;
 736
 737                 GList *children = gtk_container_children(GTK_CONTAINER(box));
 738                 for ( GList *child = children; child; child = child->next )
 739                 {
 740                     if ( GTK_IS_PIXMAP(child->data) )
 741                     {
 742                         pixmap = GTK_WIDGET(child->data);
 743                         break;
 744                     }
 745                 }
 746
 747                 if ( children )
 748                     g_list_free(children);
 749
 750                 if ( pixmap && IsPointInsideWidget(pt, pixmap, x, y) )
 751                 {
 752                     *flags = wxNB_HITTEST_ONICON;
 753                 }
 754                 else if ( IsPointInsideWidget(pt, GTK_WIDGET(nb_page->m_label), x, y) )
 755                 {
 756                     *flags = wxNB_HITTEST_ONLABEL;
 757                 }
 758                 else
 759                 {
 760                     *flags = wxNB_HITTEST_ONITEM;
 761                 }
 762             }
 763
 764             return i;
 765         }
 766     }
 767
 768     if ( flags )
 769         *flags = wxNB_HITTEST_NOWHERE;
 770
 771     return wxNOT_FOUND;
 772 }
 773
 774 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 775 {
 776     if (event.IsWindowChange())
 777         AdvanceSelection( event.GetDirection() );
 778     else
 779         event.Skip();
 780 }
 781
 782 #if wxUSE_CONSTRAINTS
 783
 784 // override these 2 functions to do nothing: everything is done in OnSize
 785 void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
 786 {
 787     // don't set the sizes of the pages - their correct size is not yet known
 788     wxControl::SetConstraintSizes(FALSE);
 789 }
 790
 791 bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
 792 {
 793     return TRUE;
 794 }
 795
 796 #endif
 797
 798 void wxNotebook::DoApplyWidgetStyle(GtkRcStyle *style)
 799 {
 800     gtk_widget_modify_style(m_widget, style);
 801     size_t cnt = m_pagesData.GetCount();
 802     for (size_t i = 0; i < cnt; i++)
 803         gtk_widget_modify_style(GTK_WIDGET(GetNotebookPage(i)->m_label), style);
 804 }
 805
 806 bool wxNotebook::IsOwnGtkWindow( GdkWindow *window )
 807 {
 808     return ((m_widget->window == window) ||
 809             (NOTEBOOK_PANEL(m_widget) == window));
 810 }
 811
 812 // static
 813 wxVisualAttributes
 814 wxNotebook::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 815 {
 816     return GetDefaultAttributesFromGTKWidget(gtk_notebook_new);
 817 }
 818
 819 //-----------------------------------------------------------------------------
 820 // wxNotebookEvent
 821 //-----------------------------------------------------------------------------
 822
 823 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 824
 825 #endif