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     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     gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
 338                             GTK_SIGNAL_FUNC(gtk_notebook_realized_callback), (gpointer) this );
 339
 340     return TRUE;
 341 }
 342
 343 int wxNotebook::GetSelection() const
 344 {
 345     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 346
 347     if ( m_selection == -1 )
 348     {
 349         GList *nb_pages = GTK_NOTEBOOK(m_widget)->children;
 350
 351         if (g_list_length(nb_pages) != 0)
 352         {
 353             GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 354
 355             gpointer cur = notebook->cur_page;
 356             if ( cur != NULL )
 357             {
 358                 wxConstCast(this, wxNotebook)->m_selection =
 359                     g_list_index( nb_pages, cur );
 360             }
 361         }
 362     }
 363
 364     return m_selection;
 365 }
 366
 367 wxString wxNotebook::GetPageText( size_t page ) const
 368 {
 369     wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid notebook") );
 370
 371     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 372     if (nb_page)
 373         return nb_page->m_text;
 374     else
 375         return wxT("");
 376 }
 377
 378 int wxNotebook::GetPageImage( size_t page ) const
 379 {
 380     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 381
 382     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 383     if (nb_page)
 384         return nb_page->m_image;
 385     else
 386         return -1;
 387 }
 388
 389 wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const
 390 {
 391     wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") );
 392
 393     wxCHECK_MSG( page < (int)m_pagesData.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") );
 394
 395     return m_pagesData.Item(page)->GetData();
 396 }
 397
 398 int wxNotebook::SetSelection( size_t page )
 399 {
 400     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 401
 402     wxCHECK_MSG( page < m_pagesData.GetCount(), -1, wxT("invalid notebook index") );
 403
 404     int selOld = GetSelection();
 405
 406     // cache the selection
 407     m_selection = page;
 408     gtk_notebook_set_page( GTK_NOTEBOOK(m_widget), page );
 409
 410     wxNotebookPage *client = GetPage(page);
 411     if ( client )
 412         client->SetFocus();
 413
 414     return selOld;
 415 }
 416
 417 bool wxNotebook::SetPageText( size_t page, const wxString &text )
 418 {
 419     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 420
 421     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 422
 423     wxCHECK_MSG( nb_page, FALSE, wxT("SetPageText: invalid page index") );
 424
 425     nb_page->m_text = text;
 426
 427     gtk_label_set( nb_page->m_label, wxGTK_CONV( nb_page->m_text ) );
 428
 429     return TRUE;
 430 }
 431
 432 bool wxNotebook::SetPageImage( size_t page, int image )
 433 {
 434     /* HvdH 28-12-98: now it works, but it's a bit of a kludge */
 435
 436     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 437
 438     if (!nb_page) return FALSE;
 439
 440     /* Optimization posibility: return immediately if image unchanged.
 441      * Not enabled because it may break existing (stupid) code that
 442      * manipulates the imagelist to cycle images */
 443
 444     /* if (image == nb_page->m_image) return TRUE; */
 445
 446     /* For different cases:
 447        1) no image -> no image
 448        2) image -> no image
 449        3) no image -> image
 450        4) image -> image */
 451
 452     if (image == -1 && nb_page->m_image == -1)
 453         return TRUE; /* Case 1): Nothing to do. */
 454
 455     GtkWidget *pixmapwid = (GtkWidget*) NULL;
 456
 457     if (nb_page->m_image != -1)
 458     {
 459         /* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */
 460
 461         GList *child = gtk_container_children(GTK_CONTAINER(nb_page->m_box));
 462         while (child)
 463         {
 464             if (GTK_IS_PIXMAP(child->data))
 465             {
 466                 pixmapwid = GTK_WIDGET(child->data);
 467                 break;
 468             }
 469             child = child->next;
 470         }
 471
 472         /* We should have the pixmap widget now */
 473         wxASSERT(pixmapwid != NULL);
 474
 475         if (image == -1)
 476         {
 477             /* If there's no new widget, just remove the old from the box */
 478             gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid);
 479             nb_page->m_image = -1;
 480
 481             return TRUE; /* Case 2) */
 482         }
 483     }
 484
 485     /* Only cases 3) and 4) left */
 486     wxASSERT( m_imageList != NULL ); /* Just in case */
 487
 488     /* Construct the new pixmap */
 489     const wxBitmap *bmp = m_imageList->GetBitmap(image);
 490     GdkPixmap *pixmap = bmp->GetPixmap();
 491     GdkBitmap *mask = (GdkBitmap*) NULL;
 492     if ( bmp->GetMask() )
 493     {
 494         mask = bmp->GetMask()->GetBitmap();
 495     }
 496
 497     if (pixmapwid == NULL)
 498     {
 499         /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */
 500         pixmapwid = gtk_pixmap_new (pixmap, mask );
 501
 502         /* CHECKME: Are these pack flags okay? */
 503         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 504         gtk_widget_show(pixmapwid);
 505     }
 506     else
 507     {
 508         /* Case 4) Simply replace the pixmap */
 509         gtk_pixmap_set(GTK_PIXMAP(pixmapwid), pixmap, mask);
 510     }
 511
 512     nb_page->m_image = image;
 513
 514     return TRUE;
 515 }
 516
 517 void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) )
 518 {
 519     wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
 520 }
 521
 522 void wxNotebook::SetPadding( const wxSize &padding )
 523 {
 524     wxCHECK_RET( m_widget != NULL, wxT("invalid notebook") );
 525
 526     m_padding = padding.GetWidth();
 527
 528     int i;
 529     for (i=0; i<int(GetPageCount()); i++)
 530     {
 531         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 532         wxASSERT(nb_page != NULL);
 533
 534         if (nb_page->m_image != -1)
 535         {
 536             // gtk_box_set_child_packing sets padding on BOTH sides
 537             // icon provides left padding, label provides center and right
 538             int image = nb_page->m_image;
 539             SetPageImage(i,-1);
 540             SetPageImage(i,image);
 541         }
 542         wxASSERT(nb_page->m_label);
 543         gtk_box_set_child_packing(GTK_BOX(nb_page->m_box),
 544                                   GTK_WIDGET(nb_page->m_label),
 545                                   FALSE, FALSE, m_padding, GTK_PACK_END);
 546     }
 547 }
 548
 549 void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
 550 {
 551     wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
 552 }
 553
 554 bool wxNotebook::DeleteAllPages()
 555 {
 556     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 557
 558     while (m_pagesData.GetCount() > 0)
 559         DeletePage( m_pagesData.GetCount()-1 );
 560
 561     wxASSERT_MSG( GetPageCount() == 0, _T("all pages must have been deleted") );
 562
 563     InvalidateBestSize();
 564     return wxNotebookBase::DeleteAllPages();
 565 }
 566
 567 bool wxNotebook::DeletePage( size_t page )
 568 {
 569     if ( m_selection == (int)m_pagesData.GetCount() - 1 )
 570     {
 571         // the index will become invalid after the page is deleted
 572         m_selection = -1;
 573     }
 574
 575     // it will call our DoRemovePage() to do the real work
 576     return wxNotebookBase::DeletePage(page);
 577 }
 578
 579 wxNotebookPage *wxNotebook::DoRemovePage( size_t page )
 580 {
 581     wxNotebookPage *client = wxNotebookBase::DoRemovePage(page);
 582     if ( !client )
 583         return NULL;
 584
 585     gtk_widget_ref( client->m_widget );
 586     gtk_widget_unrealize( client->m_widget );
 587     gtk_widget_unparent( client->m_widget );
 588
 589     // gtk_notebook_remove_page() sends "switch_page" signal with some strange
 590     // new page index (when deleting selected page 0, new page is 1 although,
 591     // clearly, the selection should stay 0), so suppress this
 592     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 593       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 594
 595     gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
 596
 597     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 598       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 599
 600     wxGtkNotebookPage* p = GetNotebookPage(page);
 601     m_pagesData.DeleteObject(p);
 602     delete p;
 603
 604     return client;
 605 }
 606
 607 bool wxNotebook::InsertPage( size_t position,
 608                              wxNotebookPage* win,
 609                              const wxString& text,
 610                              bool select,
 611                              int imageId )
 612 {
 613     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 614
 615     wxCHECK_MSG( win->GetParent() == this, FALSE,
 616                wxT("Can't add a page whose parent is not the notebook!") );
 617
 618     wxCHECK_MSG( position <= GetPageCount(), FALSE,
 619                  _T("invalid page index in wxNotebookPage::InsertPage()") );
 620
 621     // Hack alert part II! See above in InsertChildInNotebook
 622     // callback why this has to be done.
 623     win->m_widget->parent = NULL;
 624
 625     // don't receive switch page during addition
 626     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 627       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 628
 629     if (m_themeEnabled)
 630         win->SetThemeEnabled(TRUE);
 631
 632     GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 633
 634     wxGtkNotebookPage *nb_page = new wxGtkNotebookPage();
 635
 636     if ( position == GetPageCount() )
 637         m_pagesData.Append( nb_page );
 638     else
 639         m_pagesData.Insert( m_pagesData.Item( position ), nb_page );
 640
 641     m_pages.Insert(win, position);
 642
 643     nb_page->m_box = gtk_hbox_new( FALSE, 1 );
 644     gtk_container_border_width( GTK_CONTAINER(nb_page->m_box), 2 );
 645
 646     gtk_signal_connect( GTK_OBJECT(win->m_widget), "size_allocate",
 647       GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)win );
 648
 649 #ifndef __VMS
 650    // On VMS position is unsigned and thus always positive
 651    if (position < 0)
 652         gtk_notebook_append_page( notebook, win->m_widget, nb_page->m_box );
 653     else
 654 #endif
 655      gtk_notebook_insert_page( notebook, win->m_widget, nb_page->m_box, position );
 656
 657     nb_page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;
 658
 659     /* set the label image */
 660     nb_page->m_image = imageId;
 661
 662     if (imageId != -1)
 663     {
 664         wxASSERT( m_imageList != NULL );
 665
 666         const wxBitmap *bmp = m_imageList->GetBitmap(imageId);
 667         GdkPixmap *pixmap = bmp->GetPixmap();
 668         GdkBitmap *mask = (GdkBitmap*) NULL;
 669         if ( bmp->GetMask() )
 670         {
 671             mask = bmp->GetMask()->GetBitmap();
 672         }
 673
 674         GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );
 675
 676         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 677
 678         gtk_widget_show(pixmapwid);
 679     }
 680
 681     /* set the label text */
 682
 683     nb_page->m_text = text;
 684     if (nb_page->m_text.IsEmpty()) nb_page->m_text = wxT("");
 685
 686     nb_page->m_label = GTK_LABEL( gtk_label_new(wxGTK_CONV(nb_page->m_text)) );
 687     gtk_box_pack_end( GTK_BOX(nb_page->m_box), GTK_WIDGET(nb_page->m_label), FALSE, FALSE, m_padding );
 688
 689     /* show the label */
 690     gtk_widget_show( GTK_WIDGET(nb_page->m_label) );
 691     if (select && (m_pagesData.GetCount() > 1))
 692     {
 693 #ifndef __VMS
 694    // On VMS position is unsigned and thus always positive
 695         if (position < 0)
 696             SetSelection( GetPageCount()-1 );
 697         else
 698 #endif
 699             SetSelection( position );
 700     }
 701
 702     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 703       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 704
 705     InvalidateBestSize();
 706     return TRUE;
 707 }
 708
 709 // helper for HitTest(): check if the point lies inside the given widget which
 710 // is the child of the notebook whose position and border size are passed as
 711 // parameters
 712 static bool
 713 IsPointInsideWidget(const wxPoint& pt, GtkWidget *w,
 714                     gint x, gint y, gint border = 0)
 715 {
 716     return
 717         (pt.x >= w->allocation.x - x - border) &&
 718         (pt.x <= w->allocation.x - x + border + w->allocation.width) &&
 719         (pt.y >= w->allocation.y - y - border) &&
 720         (pt.y <= w->allocation.y - y + border + w->allocation.height);
 721 }
 722
 723 int wxNotebook::HitTest(const wxPoint& pt, long *flags) const
 724 {
 725     const gint x = m_widget->allocation.x;
 726     const gint y = m_widget->allocation.y;
 727
 728     const size_t count = GetPageCount();
 729     for ( size_t i = 0; i < count; i++ )
 730     {
 731         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 732         GtkWidget *box = nb_page->m_box;
 733
 734         // VZ: don't know how to find the border width in GTK+ 1.2
 735 #ifdef __WXGTK20__
 736         const gint border = gtk_container_get_border_width(GTK_CONTAINER(box));
 737 #else // !GTK+ 2.x
 738         const gint border = 0;
 739 #endif
 740         if ( IsPointInsideWidget(pt, box, x, y, border) )
 741         {
 742             // ok, we're inside this tab -- now find out where, if needed
 743             if ( flags )
 744             {
 745                 GtkWidget *pixmap = NULL;
 746
 747                 GList *children = gtk_container_children(GTK_CONTAINER(box));
 748                 for ( GList *child = children; child; child = child->next )
 749                 {
 750                     if ( GTK_IS_PIXMAP(child->data) )
 751                     {
 752                         pixmap = GTK_WIDGET(child->data);
 753                         break;
 754                     }
 755                 }
 756
 757                 if ( children )
 758                     g_list_free(children);
 759
 760                 if ( pixmap && IsPointInsideWidget(pt, pixmap, x, y) )
 761                 {
 762                     *flags = wxNB_HITTEST_ONICON;
 763                 }
 764                 else if ( IsPointInsideWidget(pt, GTK_WIDGET(nb_page->m_label), x, y) )
 765                 {
 766                     *flags = wxNB_HITTEST_ONLABEL;
 767                 }
 768                 else
 769                 {
 770                     *flags = wxNB_HITTEST_ONITEM;
 771                 }
 772             }
 773
 774             return i;
 775         }
 776     }
 777
 778     if ( flags )
 779         *flags = wxNB_HITTEST_NOWHERE;
 780
 781     return wxNOT_FOUND;
 782 }
 783
 784 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 785 {
 786     if (event.IsWindowChange())
 787         AdvanceSelection( event.GetDirection() );
 788     else
 789         event.Skip();
 790 }
 791
 792 #if wxUSE_CONSTRAINTS
 793
 794 // override these 2 functions to do nothing: everything is done in OnSize
 795 void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
 796 {
 797     // don't set the sizes of the pages - their correct size is not yet known
 798     wxControl::SetConstraintSizes(FALSE);
 799 }
 800
 801 bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
 802 {
 803     return TRUE;
 804 }
 805
 806 #endif
 807
 808 void wxNotebook::DoApplyWidgetStyle(GtkRcStyle *style)
 809 {
 810     // TODO, font for labels etc
 811     gtk_widget_modify_style( m_widget, style );
 812 }
 813
 814 bool wxNotebook::IsOwnGtkWindow( GdkWindow *window )
 815 {
 816     return ((m_widget->window == window) ||
 817             (NOTEBOOK_PANEL(m_widget) == window));
 818 }
 819
 820 bool  wxNotebook::SetFont(const wxFont& font)
 821 {
 822         bool rc=wxNotebookBase::SetFont(font);
 823
 824         if (rc)
 825         {
 826                 size_t i;
 827                 for (i=0 ; i < m_pagesData.GetCount() ; i++)
 828                         GetNotebookPage(i)->SetFont(font);
 829         }
 830         return rc;
 831 }
 832
 833 // static
 834 wxVisualAttributes
 835 wxNotebook::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 836 {
 837     return GetDefaultAttributesFromGTKWidget(gtk_notebook_new);
 838 }
 839
 840 //-----------------------------------------------------------------------------
 841 // wxNotebookEvent
 842 //-----------------------------------------------------------------------------
 843
 844 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 845
 846 #endif