src/gtk1/notebook.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        notebook.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling, Vadim Zeitlin
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  11 #pragma implementation "notebook.h"
  12 #endif
  13
  14 // For compilers that support precompilation, includes "wx.h".
  15 #include "wx/wxprec.h"
  16
  17 #include "wx/notebook.h"
  18
  19 #if wxUSE_NOTEBOOK
  20
  21 #include "wx/panel.h"
  22 #include "wx/utils.h"
  23 #include "wx/imaglist.h"
  24 #include "wx/intl.h"
  25 #include "wx/log.h"
  26 #include "wx/bitmap.h"
  27 #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     bool SetFont(const wxFont& font);
  78
  79     wxString           m_text;
  80     int                m_image;
  81     GtkNotebookPage   *m_page;
  82     GtkLabel          *m_label;
  83     GtkWidget         *m_box;     // in which the label and image are packed
  84 };
  85
  86
  87 bool wxGtkNotebookPage::SetFont(const wxFont& font)
  88 {
  89     if (!m_label)
  90                 return false;
  91
  92 #ifdef __WXGTK20__
  93     gtk_widget_modify_font(GTK_WIDGET(m_label),
  94                            font.GetNativeFontInfo()->description);
  95 #else
  96     GtkRcStyle *style = gtk_rc_style_new();
  97     style->fontset_name =
  98         g_strdup(font.GetNativeFontInfo()->GetXFontName().c_str());
  99     gtk_widget_modify_style(GTK_WIDGET(m_label), style);
 100     gtk_rc_style_unref(style);
 101 #endif
 102
 103         return true;
 104 }
 105
 106
 107 #include "wx/listimpl.cpp"
 108 WX_DEFINE_LIST(wxGtkNotebookPagesList);
 109
 110
 111 //-----------------------------------------------------------------------------
 112 // "switch_page"
 113 //-----------------------------------------------------------------------------
 114
 115 static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
 116                                               GtkNotebookPage *WXUNUSED(page),
 117                                               gint page,
 118                                               wxNotebook *notebook )
 119 {
 120     // are you trying to call SetSelection() from a notebook event handler?
 121     // you shouldn't!
 122     wxCHECK_RET( !notebook->m_inSwitchPage,
 123                  _T("gtk_notebook_page_change_callback reentered") );
 124
 125     notebook->m_inSwitchPage = TRUE;
 126     if (g_isIdle)
 127         wxapp_install_idle_handler();
 128
 129     int old = notebook->GetSelection();
 130
 131     wxNotebookEvent eventChanging( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING,
 132                                    notebook->GetId(), page, old );
 133     eventChanging.SetEventObject( notebook );
 134
 135     if ( (notebook->GetEventHandler()->ProcessEvent(eventChanging)) &&
 136          !eventChanging.IsAllowed() )
 137     {
 138         /* program doesn't allow the page change */
 139         gtk_signal_emit_stop_by_name( GTK_OBJECT(notebook->m_widget),
 140                                       "switch_page" );
 141     }
 142     else // change allowed
 143     {
 144         // make wxNotebook::GetSelection() return the correct (i.e. consistent
 145         // with wxNotebookEvent::GetSelection()) value even though the page is
 146         // not really changed in GTK+
 147         notebook->m_selection = page;
 148
 149         wxNotebookEvent eventChanged( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED,
 150                                       notebook->GetId(), page, old );
 151         eventChanged.SetEventObject( notebook );
 152         notebook->GetEventHandler()->ProcessEvent( eventChanged );
 153     }
 154
 155     notebook->m_inSwitchPage = FALSE;
 156 }
 157
 158 //-----------------------------------------------------------------------------
 159 // "size_allocate"
 160 //-----------------------------------------------------------------------------
 161
 162 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
 163 {
 164     if (g_isIdle)
 165         wxapp_install_idle_handler();
 166
 167     if ((win->m_x == alloc->x) &&
 168         (win->m_y == alloc->y) &&
 169         (win->m_width == alloc->width) &&
 170         (win->m_height == alloc->height))
 171     {
 172         return;
 173     }
 174
 175     win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
 176
 177     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call allocate
 178        here in order to make repositioning after resizing to take effect. */
 179     if ((gtk_major_version == 1) &&
 180         (gtk_minor_version == 2) &&
 181         (gtk_micro_version < 6) &&
 182         (win->m_wxwindow) &&
 183         (GTK_WIDGET_REALIZED(win->m_wxwindow)))
 184     {
 185         gtk_widget_size_allocate( win->m_wxwindow, alloc );
 186     }
 187 }
 188
 189 //-----------------------------------------------------------------------------
 190 // "realize" from m_widget
 191 //-----------------------------------------------------------------------------
 192
 193 static gint
 194 gtk_notebook_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win )
 195 {
 196     if (g_isIdle)
 197         wxapp_install_idle_handler();
 198
 199     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call a queue_resize
 200        here in order to make repositioning before showing to take effect. */
 201     gtk_widget_queue_resize( win->m_widget );
 202
 203     return FALSE;
 204 }
 205
 206 //-----------------------------------------------------------------------------
 207 // "key_press_event"
 208 //-----------------------------------------------------------------------------
 209
 210 static gint gtk_notebook_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxNotebook *win )
 211 {
 212     if (g_isIdle)
 213         wxapp_install_idle_handler();
 214
 215     if (!win->m_hasVMT) return FALSE;
 216     if (g_blockEventsOnDrag) return FALSE;
 217
 218     /* win is a control: tab can be propagated up */
 219     if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
 220     {
 221         int sel = win->GetSelection();
 222         if (sel == -1)
 223             return TRUE;
 224         wxGtkNotebookPage *nb_page = win->GetNotebookPage(sel);
 225         wxCHECK_MSG( nb_page, FALSE, _T("invalid selection in wxNotebook") );
 226
 227         wxNavigationKeyEvent event;
 228         event.SetEventObject( win );
 229         /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
 230         event.SetDirection( (gdk_event->keyval == GDK_Tab) );
 231         /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
 232         event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
 233         event.SetCurrentFocus( win );
 234
 235         wxNotebookPage *client = win->GetPage(sel);
 236         if ( !client->GetEventHandler()->ProcessEvent( event ) )
 237         {
 238              client->SetFocus();
 239         }
 240
 241         gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
 242         return TRUE;
 243     }
 244
 245     return FALSE;
 246 }
 247
 248 //-----------------------------------------------------------------------------
 249 // InsertChild callback for wxNotebook
 250 //-----------------------------------------------------------------------------
 251
 252 static void wxInsertChildInNotebook( wxNotebook* parent, wxWindow* child )
 253 {
 254     // Hack alert! We manually set the child window
 255     // parent field so that GTK can query the
 256     // notebook's style and font. Without that, GetBestSize could return
 257     // incorrect size, see bug #901694 for details
 258     // (http://sourceforge.net/tracker/?func=detail&aid=901694&group_id=9863&atid=109863)
 259     child->m_widget->parent = parent->m_widget;
 260 }
 261
 262 //-----------------------------------------------------------------------------
 263 // wxNotebook
 264 //-----------------------------------------------------------------------------
 265
 266 IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)
 267
 268 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
 269     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
 270 END_EVENT_TABLE()
 271
 272 void wxNotebook::Init()
 273 {
 274     m_padding = 0;
 275     m_inSwitchPage = FALSE;
 276
 277     m_imageList = (wxImageList *) NULL;
 278     m_selection = -1;
 279     m_themeEnabled = TRUE;
 280 }
 281
 282 wxNotebook::wxNotebook()
 283 {
 284     Init();
 285 }
 286
 287 wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id,
 288       const wxPoint& pos, const wxSize& size,
 289       long style, const wxString& name )
 290 {
 291     Init();
 292     Create( parent, id, pos, size, style, name );
 293 }
 294
 295 wxNotebook::~wxNotebook()
 296 {
 297     DeleteAllPages();
 298 }
 299
 300 bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
 301                         const wxPoint& pos, const wxSize& size,
 302                         long style, const wxString& name )
 303 {
 304     m_needParent = TRUE;
 305     m_acceptsFocus = TRUE;
 306     m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook;
 307
 308     if (!PreCreation( parent, pos, size ) ||
 309         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 310     {
 311         wxFAIL_MSG( wxT("wxNoteBook creation failed") );
 312         return FALSE;
 313     }
 314
 315
 316     m_widget = gtk_notebook_new();
 317
 318     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 319
 320     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 321       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 322
 323     m_parent->DoAddChild( this );
 324
 325     if (m_windowStyle & wxNB_RIGHT)
 326         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
 327     if (m_windowStyle & wxNB_LEFT)
 328         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
 329     if (m_windowStyle & wxNB_BOTTOM)
 330         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
 331
 332     gtk_signal_connect( GTK_OBJECT(m_widget), "key_press_event",
 333       GTK_SIGNAL_FUNC(gtk_notebook_key_press_callback), (gpointer)this );
 334
 335     PostCreation(size);
 336
 337     SetFont( parent->GetFont() );
 338
 339     gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
 340                             GTK_SIGNAL_FUNC(gtk_notebook_realized_callback), (gpointer) this );
 341
 342     return TRUE;
 343 }
 344
 345 int wxNotebook::GetSelection() const
 346 {
 347     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 348
 349     if ( m_selection == -1 )
 350     {
 351         GList *nb_pages = GTK_NOTEBOOK(m_widget)->children;
 352
 353         if (g_list_length(nb_pages) != 0)
 354         {
 355             GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 356
 357             gpointer cur = notebook->cur_page;
 358             if ( cur != NULL )
 359             {
 360                 wxConstCast(this, wxNotebook)->m_selection =
 361                     g_list_index( nb_pages, cur );
 362             }
 363         }
 364     }
 365
 366     return m_selection;
 367 }
 368
 369 wxString wxNotebook::GetPageText( size_t page ) const
 370 {
 371     wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid notebook") );
 372
 373     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 374     if (nb_page)
 375         return nb_page->m_text;
 376     else
 377         return wxT("");
 378 }
 379
 380 int wxNotebook::GetPageImage( size_t page ) const
 381 {
 382     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 383
 384     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 385     if (nb_page)
 386         return nb_page->m_image;
 387     else
 388         return -1;
 389 }
 390
 391 wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const
 392 {
 393     wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") );
 394
 395     wxCHECK_MSG( page < (int)m_pagesData.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") );
 396
 397     return m_pagesData.Item(page)->GetData();
 398 }
 399
 400 int wxNotebook::SetSelection( size_t page )
 401 {
 402     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 403
 404     wxCHECK_MSG( page < m_pagesData.GetCount(), -1, wxT("invalid notebook index") );
 405
 406     int selOld = GetSelection();
 407
 408     // cache the selection
 409     m_selection = page;
 410     gtk_notebook_set_page( GTK_NOTEBOOK(m_widget), page );
 411
 412     wxNotebookPage *client = GetPage(page);
 413     if ( client )
 414         client->SetFocus();
 415
 416     return selOld;
 417 }
 418
 419 bool wxNotebook::SetPageText( size_t page, const wxString &text )
 420 {
 421     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 422
 423     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 424
 425     wxCHECK_MSG( nb_page, FALSE, wxT("SetPageText: invalid page index") );
 426
 427     nb_page->m_text = text;
 428
 429     gtk_label_set( nb_page->m_label, wxGTK_CONV( nb_page->m_text ) );
 430
 431     return TRUE;
 432 }
 433
 434 bool wxNotebook::SetPageImage( size_t page, int image )
 435 {
 436     /* HvdH 28-12-98: now it works, but it's a bit of a kludge */
 437
 438     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 439
 440     if (!nb_page) return FALSE;
 441
 442     /* Optimization posibility: return immediately if image unchanged.
 443      * Not enabled because it may break existing (stupid) code that
 444      * manipulates the imagelist to cycle images */
 445
 446     /* if (image == nb_page->m_image) return TRUE; */
 447
 448     /* For different cases:
 449        1) no image -> no image
 450        2) image -> no image
 451        3) no image -> image
 452        4) image -> image */
 453
 454     if (image == -1 && nb_page->m_image == -1)
 455         return TRUE; /* Case 1): Nothing to do. */
 456
 457     GtkWidget *pixmapwid = (GtkWidget*) NULL;
 458
 459     if (nb_page->m_image != -1)
 460     {
 461         /* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */
 462
 463         GList *child = gtk_container_children(GTK_CONTAINER(nb_page->m_box));
 464         while (child)
 465         {
 466             if (GTK_IS_PIXMAP(child->data))
 467             {
 468                 pixmapwid = GTK_WIDGET(child->data);
 469                 break;
 470             }
 471             child = child->next;
 472         }
 473
 474         /* We should have the pixmap widget now */
 475         wxASSERT(pixmapwid != NULL);
 476
 477         if (image == -1)
 478         {
 479             /* If there's no new widget, just remove the old from the box */
 480             gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid);
 481             nb_page->m_image = -1;
 482
 483             return TRUE; /* Case 2) */
 484         }
 485     }
 486
 487     /* Only cases 3) and 4) left */
 488     wxASSERT( m_imageList != NULL ); /* Just in case */
 489
 490     /* Construct the new pixmap */
 491     const wxBitmap *bmp = m_imageList->GetBitmap(image);
 492     GdkPixmap *pixmap = bmp->GetPixmap();
 493     GdkBitmap *mask = (GdkBitmap*) NULL;
 494     if ( bmp->GetMask() )
 495     {
 496         mask = bmp->GetMask()->GetBitmap();
 497     }
 498
 499     if (pixmapwid == NULL)
 500     {
 501         /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */
 502         pixmapwid = gtk_pixmap_new (pixmap, mask );
 503
 504         /* CHECKME: Are these pack flags okay? */
 505         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 506         gtk_widget_show(pixmapwid);
 507     }
 508     else
 509     {
 510         /* Case 4) Simply replace the pixmap */
 511         gtk_pixmap_set(GTK_PIXMAP(pixmapwid), pixmap, mask);
 512     }
 513
 514     nb_page->m_image = image;
 515
 516     return TRUE;
 517 }
 518
 519 void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) )
 520 {
 521     wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
 522 }
 523
 524 void wxNotebook::SetPadding( const wxSize &padding )
 525 {
 526     wxCHECK_RET( m_widget != NULL, wxT("invalid notebook") );
 527
 528     m_padding = padding.GetWidth();
 529
 530     int i;
 531     for (i=0; i<int(GetPageCount()); i++)
 532     {
 533         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 534         wxASSERT(nb_page != NULL);
 535
 536         if (nb_page->m_image != -1)
 537         {
 538             // gtk_box_set_child_packing sets padding on BOTH sides
 539             // icon provides left padding, label provides center and right
 540             int image = nb_page->m_image;
 541             SetPageImage(i,-1);
 542             SetPageImage(i,image);
 543         }
 544         wxASSERT(nb_page->m_label);
 545         gtk_box_set_child_packing(GTK_BOX(nb_page->m_box),
 546                                   GTK_WIDGET(nb_page->m_label),
 547                                   FALSE, FALSE, m_padding, GTK_PACK_END);
 548     }
 549 }
 550
 551 void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
 552 {
 553     wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
 554 }
 555
 556 bool wxNotebook::DeleteAllPages()
 557 {
 558     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 559
 560     while (m_pagesData.GetCount() > 0)
 561         DeletePage( m_pagesData.GetCount()-1 );
 562
 563     wxASSERT_MSG( GetPageCount() == 0, _T("all pages must have been deleted") );
 564
 565     return wxNotebookBase::DeleteAllPages();
 566 }
 567
 568 bool wxNotebook::DeletePage( size_t page )
 569 {
 570     if ( m_selection == (int)m_pagesData.GetCount() - 1 )
 571     {
 572         // the index will become invalid after the page is deleted
 573         m_selection = -1;
 574     }
 575
 576     // it will call our DoRemovePage() to do the real work
 577     return wxNotebookBase::DeletePage(page);
 578 }
 579
 580 wxNotebookPage *wxNotebook::DoRemovePage( size_t page )
 581 {
 582     wxNotebookPage *client = wxNotebookBase::DoRemovePage(page);
 583     if ( !client )
 584         return NULL;
 585
 586     gtk_widget_ref( client->m_widget );
 587     gtk_widget_unrealize( client->m_widget );
 588     gtk_widget_unparent( client->m_widget );
 589
 590     // gtk_notebook_remove_page() sends "switch_page" signal with some strange
 591     // new page index (when deleting selected page 0, new page is 1 although,
 592     // clearly, the selection should stay 0), so suppress this
 593     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 594       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 595
 596     gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
 597
 598     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 599       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 600
 601     wxGtkNotebookPage* p = GetNotebookPage(page);
 602     m_pagesData.DeleteObject(p);
 603     delete p;
 604
 605     return client;
 606 }
 607
 608 bool wxNotebook::InsertPage( size_t position,
 609                              wxNotebookPage* win,
 610                              const wxString& text,
 611                              bool select,
 612                              int imageId )
 613 {
 614     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 615
 616     wxCHECK_MSG( win->GetParent() == this, FALSE,
 617                wxT("Can't add a page whose parent is not the notebook!") );
 618
 619     wxCHECK_MSG( position <= GetPageCount(), FALSE,
 620                  _T("invalid page index in wxNotebookPage::InsertPage()") );
 621
 622     // Hack alert part II! See above in InsertChildInNotebook
 623     // callback why this has to be done.
 624     win->m_widget->parent = NULL;
 625
 626     // don't receive switch page during addition
 627     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 628       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 629
 630     if (m_themeEnabled)
 631         win->SetThemeEnabled(TRUE);
 632
 633     GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 634
 635     wxGtkNotebookPage *nb_page = new wxGtkNotebookPage();
 636
 637     if ( position == GetPageCount() )
 638         m_pagesData.Append( nb_page );
 639     else
 640         m_pagesData.Insert( m_pagesData.Item( position ), nb_page );
 641
 642     m_pages.Insert(win, position);
 643
 644     nb_page->m_box = gtk_hbox_new( FALSE, 1 );
 645     gtk_container_border_width( GTK_CONTAINER(nb_page->m_box), 2 );
 646
 647     gtk_signal_connect( GTK_OBJECT(win->m_widget), "size_allocate",
 648       GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)win );
 649
 650 #ifndef __VMS
 651    // On VMS position is unsigned and thus always positive
 652    if (position < 0)
 653         gtk_notebook_append_page( notebook, win->m_widget, nb_page->m_box );
 654     else
 655 #endif
 656      gtk_notebook_insert_page( notebook, win->m_widget, nb_page->m_box, position );
 657
 658     nb_page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;
 659
 660     /* set the label image */
 661     nb_page->m_image = imageId;
 662
 663     if (imageId != -1)
 664     {
 665         wxASSERT( m_imageList != NULL );
 666
 667         const wxBitmap *bmp = m_imageList->GetBitmap(imageId);
 668         GdkPixmap *pixmap = bmp->GetPixmap();
 669         GdkBitmap *mask = (GdkBitmap*) NULL;
 670         if ( bmp->GetMask() )
 671         {
 672             mask = bmp->GetMask()->GetBitmap();
 673         }
 674
 675         GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );
 676
 677         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 678
 679         gtk_widget_show(pixmapwid);
 680     }
 681
 682     /* set the label text */
 683
 684     nb_page->m_text = text;
 685     if (nb_page->m_text.IsEmpty()) nb_page->m_text = wxT("");
 686
 687     nb_page->m_label = GTK_LABEL( gtk_label_new(wxGTK_CONV(nb_page->m_text)) );
 688         nb_page->SetFont(GetFont());
 689     gtk_box_pack_end( GTK_BOX(nb_page->m_box), GTK_WIDGET(nb_page->m_label), FALSE, FALSE, m_padding );
 690
 691     /* show the label */
 692     gtk_widget_show( GTK_WIDGET(nb_page->m_label) );
 693     if (select && (m_pagesData.GetCount() > 1))
 694     {
 695 #ifndef __VMS
 696    // On VMS position is unsigned and thus always positive
 697         if (position < 0)
 698             SetSelection( GetPageCount()-1 );
 699         else
 700 #endif
 701             SetSelection( position );
 702     }
 703
 704     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 705       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 706
 707     return TRUE;
 708 }
 709
 710 // helper for HitTest(): check if the point lies inside the given widget which
 711 // is the child of the notebook whose position and border size are passed as
 712 // parameters
 713 static bool
 714 IsPointInsideWidget(const wxPoint& pt, GtkWidget *w,
 715                     gint x, gint y, gint border = 0)
 716 {
 717     return
 718         (pt.x >= w->allocation.x - x - border) &&
 719         (pt.x <= w->allocation.x - x + border + w->allocation.width) &&
 720         (pt.y >= w->allocation.y - y - border) &&
 721         (pt.y <= w->allocation.y - y + border + w->allocation.height);
 722 }
 723
 724 int wxNotebook::HitTest(const wxPoint& pt, long *flags) const
 725 {
 726     const gint x = m_widget->allocation.x;
 727     const gint y = m_widget->allocation.y;
 728
 729     const size_t count = GetPageCount();
 730     for ( size_t i = 0; i < count; i++ )
 731     {
 732         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 733         GtkWidget *box = nb_page->m_box;
 734
 735         // VZ: don't know how to find the border width in GTK+ 1.2
 736 #ifdef __WXGTK20__
 737         const gint border = gtk_container_get_border_width(GTK_CONTAINER(box));
 738 #else // !GTK+ 2.x
 739         const gint border = 0;
 740 #endif
 741         if ( IsPointInsideWidget(pt, box, x, y, border) )
 742         {
 743             // ok, we're inside this tab -- now find out where, if needed
 744             if ( flags )
 745             {
 746                 GtkWidget *pixmap = NULL;
 747
 748                 GList *children = gtk_container_children(GTK_CONTAINER(box));
 749                 for ( GList *child = children; child; child = child->next )
 750                 {
 751                     if ( GTK_IS_PIXMAP(child->data) )
 752                     {
 753                         pixmap = GTK_WIDGET(child->data);
 754                         break;
 755                     }
 756                 }
 757
 758                 if ( children )
 759                     g_list_free(children);
 760
 761                 if ( pixmap && IsPointInsideWidget(pt, pixmap, x, y) )
 762                 {
 763                     *flags = wxNB_HITTEST_ONICON;
 764                 }
 765                 else if ( IsPointInsideWidget(pt, GTK_WIDGET(nb_page->m_label), x, y) )
 766                 {
 767                     *flags = wxNB_HITTEST_ONLABEL;
 768                 }
 769                 else
 770                 {
 771                     *flags = wxNB_HITTEST_ONITEM;
 772                 }
 773             }
 774
 775             return i;
 776         }
 777     }
 778
 779     if ( flags )
 780         *flags = wxNB_HITTEST_NOWHERE;
 781
 782     return wxNOT_FOUND;
 783 }
 784
 785 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 786 {
 787     if (event.IsWindowChange())
 788         AdvanceSelection( event.GetDirection() );
 789     else
 790         event.Skip();
 791 }
 792
 793 #if wxUSE_CONSTRAINTS
 794
 795 // override these 2 functions to do nothing: everything is done in OnSize
 796 void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
 797 {
 798     // don't set the sizes of the pages - their correct size is not yet known
 799     wxControl::SetConstraintSizes(FALSE);
 800 }
 801
 802 bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
 803 {
 804     return TRUE;
 805 }
 806
 807 #endif
 808
 809 void wxNotebook::DoApplyWidgetStyle(GtkRcStyle *style)
 810 {
 811     // TODO, font for labels etc
 812     gtk_widget_modify_style( m_widget, style );
 813 }
 814
 815 bool wxNotebook::IsOwnGtkWindow( GdkWindow *window )
 816 {
 817     return ((m_widget->window == window) ||
 818             (NOTEBOOK_PANEL(m_widget) == window));
 819 }
 820
 821 bool  wxNotebook::SetFont(const wxFont& font)
 822 {
 823         bool rc=wxNotebookBase::SetFont(font);
 824
 825         if (rc)
 826         {
 827                 size_t i;
 828                 for (i=0 ; i < m_pagesData.GetCount() ; i++)
 829                         GetNotebookPage(i)->SetFont(font);
 830         }
 831         return rc;
 832 }
 833
 834 // static
 835 wxVisualAttributes
 836 wxNotebook::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 837 {
 838     return GetDefaultAttributesFromGTKWidget(gtk_notebook_new);
 839 }
 840
 841 //-----------------------------------------------------------------------------
 842 // wxNotebookEvent
 843 //-----------------------------------------------------------------------------
 844
 845 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 846
 847 #endif