src/gtk/notebook.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/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 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #if wxUSE_NOTEBOOK
  14
  15 #include "wx/notebook.h"
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/intl.h"
  19     #include "wx/log.h"
  20     #include "wx/utils.h"
  21     #include "wx/panel.h"
  22     #include "wx/msgdlg.h"
  23 #endif
  24
  25 #include "wx/imaglist.h"
  26 #include "wx/bitmap.h"
  27 #include "wx/fontutil.h"
  28
  29 // FIXME: Use GtkImage instead of GtkPixmap. Don't use gtk_container_border_width
  30 #include <gtk/gtkversion.h>
  31 #ifdef GTK_DISABLE_DEPRECATED
  32 #undef GTK_DISABLE_DEPRECATED
  33 #endif
  34
  35 #include "wx/gtk/private.h"
  36 #include "wx/gtk/win_gtk.h"
  37
  38 #include <gdk/gdkkeysyms.h>
  39
  40 // ----------------------------------------------------------------------------
  41 // events
  42 // ----------------------------------------------------------------------------
  43
  44 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
  45 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
  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
  82 #include "wx/listimpl.cpp"
  83 WX_DEFINE_LIST(wxGtkNotebookPagesList)
  84
  85
  86 //-----------------------------------------------------------------------------
  87 // "switch_page"
  88 //-----------------------------------------------------------------------------
  89
  90 extern "C" {
  91 static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
  92                                               GtkNotebookPage *WXUNUSED(page),
  93                                               guint page,
  94                                               wxNotebook *notebook )
  95 {
  96     // are you trying to call SetSelection() from a notebook event handler?
  97     // you shouldn't!
  98     wxCHECK_RET( !notebook->m_inSwitchPage,
  99                  _T("gtk_notebook_page_change_callback reentered") );
 100
 101     notebook->m_inSwitchPage = true;
 102     if (g_isIdle)
 103         wxapp_install_idle_handler();
 104
 105     int old = notebook->GetSelection();
 106
 107     wxNotebookEvent eventChanging( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING,
 108                                    notebook->GetId(), page, old );
 109     eventChanging.SetEventObject( notebook );
 110
 111     if ( (notebook->GetEventHandler()->ProcessEvent(eventChanging)) &&
 112          !eventChanging.IsAllowed() )
 113     {
 114         /* program doesn't allow the page change */
 115         g_signal_stop_emission_by_name (notebook->m_widget,
 116                                         "switch_page");
 117     }
 118     else // change allowed
 119     {
 120         // make wxNotebook::GetSelection() return the correct (i.e. consistent
 121         // with wxNotebookEvent::GetSelection()) value even though the page is
 122         // not really changed in GTK+
 123         notebook->m_selection = page;
 124
 125         wxNotebookEvent eventChanged( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED,
 126                                       notebook->GetId(), page, old );
 127         eventChanged.SetEventObject( notebook );
 128         notebook->GetEventHandler()->ProcessEvent( eventChanged );
 129     }
 130
 131     notebook->m_inSwitchPage = false;
 132 }
 133 }
 134
 135 //-----------------------------------------------------------------------------
 136 // "size_allocate"
 137 //-----------------------------------------------------------------------------
 138
 139 extern "C" {
 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 //-----------------------------------------------------------------------------
 169 // "realize" from m_widget
 170 //-----------------------------------------------------------------------------
 171
 172 extern "C" {
 173 static void
 174 gtk_notebook_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win )
 175 {
 176     if (g_isIdle)
 177         wxapp_install_idle_handler();
 178
 179     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call a queue_resize
 180        here in order to make repositioning before showing to take effect. */
 181     gtk_widget_queue_resize( win->m_widget );
 182 }
 183 }
 184
 185 //-----------------------------------------------------------------------------
 186 // "key_press_event"
 187 //-----------------------------------------------------------------------------
 188
 189 extern "C" {
 190 static gboolean
 191 gtk_notebook_key_press_callback( GtkWidget   *widget,
 192                                  GdkEventKey *gdk_event,
 193                                  wxNotebook  *notebook )
 194 {
 195     if (g_isIdle)
 196         wxapp_install_idle_handler();
 197
 198     if (!notebook->m_hasVMT) return FALSE;
 199     if (g_blockEventsOnDrag) return FALSE;
 200
 201     /* win is a control: tab can be propagated up */
 202     if ((gdk_event->keyval == GDK_Left) || (gdk_event->keyval == GDK_Right))
 203     {
 204         int page;
 205         int nMax = notebook->GetPageCount();
 206         if ( nMax-- ) // decrement it to get the last valid index
 207         {
 208             int nSel = notebook->GetSelection();
 209
 210             // change selection wrapping if it becomes invalid
 211             page = (gdk_event->keyval != GDK_Left) ? nSel == nMax ? 0
 212                                        : nSel + 1
 213                         : nSel == 0 ? nMax
 214                                     : nSel - 1;
 215         }
 216         else // notebook is empty, no next page
 217         {
 218             return FALSE;
 219         }
 220
 221         // m_selection = page;
 222         gtk_notebook_set_current_page( GTK_NOTEBOOK(widget), page );
 223
 224         g_signal_stop_emission_by_name (widget, "key_press_event");
 225         return TRUE;
 226     }
 227
 228     /* win is a control: tab can be propagated up */
 229     if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
 230     {
 231         int sel = notebook->GetSelection();
 232         if (sel == -1)
 233             return TRUE;
 234         wxGtkNotebookPage *nb_page = notebook->GetNotebookPage(sel);
 235         wxCHECK_MSG( nb_page, FALSE, _T("invalid selection in wxNotebook") );
 236
 237         wxNavigationKeyEvent event;
 238         event.SetEventObject( notebook );
 239         /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
 240         event.SetDirection( (gdk_event->keyval == GDK_Tab) );
 241         /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
 242         event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) ||
 243                                (gdk_event->keyval == GDK_Left) || (gdk_event->keyval == GDK_Right) );
 244         event.SetCurrentFocus( notebook );
 245
 246         wxNotebookPage *client = notebook->GetPage(sel);
 247         if ( !client->GetEventHandler()->ProcessEvent( event ) )
 248         {
 249              client->SetFocus();
 250         }
 251
 252         g_signal_stop_emission_by_name (widget, "key_press_event");
 253         return TRUE;
 254     }
 255
 256     return FALSE;
 257 }
 258 }
 259
 260 //-----------------------------------------------------------------------------
 261 // InsertChild callback for wxNotebook
 262 //-----------------------------------------------------------------------------
 263
 264 static void wxInsertChildInNotebook( wxNotebook* parent, wxWindow* child )
 265 {
 266     // Hack Alert! (Part I): This sets the notebook as the parent of the child
 267     // widget, and takes care of some details such as updating the state and
 268     // style of the child to reflect its new location.  We do this early
 269     // because without it GetBestSize (which is used to set the initial size
 270     // of controls if an explicit size is not given) will often report
 271     // incorrect sizes since the widget's style context is not fully known.
 272     // See bug #901694 for details
 273     // (http://sourceforge.net/tracker/?func=detail&aid=901694&group_id=9863&atid=109863)
 274     gtk_widget_set_parent(child->m_widget, parent->m_widget);
 275
 276     // NOTE: This should be considered a temporary workaround until we can
 277     // work out the details and implement delaying the setting of the initial
 278     // size of widgets until the size is really needed.
 279 }
 280
 281 //-----------------------------------------------------------------------------
 282 // wxNotebook
 283 //-----------------------------------------------------------------------------
 284
 285 IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)
 286
 287 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
 288     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
 289 END_EVENT_TABLE()
 290
 291 void wxNotebook::Init()
 292 {
 293     m_padding = 0;
 294     m_inSwitchPage = false;
 295
 296     m_imageList = (wxImageList *) NULL;
 297     m_selection = -1;
 298     m_themeEnabled = true;
 299 }
 300
 301 wxNotebook::wxNotebook()
 302 {
 303     Init();
 304 }
 305
 306 wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id,
 307       const wxPoint& pos, const wxSize& size,
 308       long style, const wxString& name )
 309 {
 310     Init();
 311     Create( parent, id, pos, size, style, name );
 312 }
 313
 314 wxNotebook::~wxNotebook()
 315 {
 316     DeleteAllPages();
 317 }
 318
 319 bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
 320                         const wxPoint& pos, const wxSize& size,
 321                         long style, const wxString& name )
 322 {
 323     m_needParent = true;
 324     m_acceptsFocus = true;
 325     m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook;
 326
 327     if (!PreCreation( parent, pos, size ) ||
 328         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 329     {
 330         wxFAIL_MSG( wxT("wxNoteBook creation failed") );
 331         return false;
 332     }
 333
 334
 335     m_widget = gtk_notebook_new();
 336
 337     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 338
 339     g_signal_connect (m_widget, "switch_page",
 340                       G_CALLBACK (gtk_notebook_page_change_callback), this);
 341
 342     m_parent->DoAddChild( this );
 343
 344     if (m_windowStyle & wxBK_RIGHT)
 345         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
 346     if (m_windowStyle & wxBK_LEFT)
 347         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
 348     if (m_windowStyle & wxBK_BOTTOM)
 349         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
 350
 351     g_signal_connect (m_widget, "key_press_event",
 352                       G_CALLBACK (gtk_notebook_key_press_callback), this);
 353
 354     PostCreation(size);
 355
 356     g_signal_connect (m_widget, "realize",
 357                       G_CALLBACK (gtk_notebook_realized_callback), this);
 358
 359     return true;
 360 }
 361
 362 int wxNotebook::GetSelection() const
 363 {
 364     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 365
 366     if ( m_selection == -1 )
 367     {
 368         GList *nb_pages = GTK_NOTEBOOK(m_widget)->children;
 369
 370         if (g_list_length(nb_pages) != 0)
 371         {
 372             GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 373
 374             gpointer cur = notebook->cur_page;
 375             if ( cur != NULL )
 376             {
 377                 wxConstCast(this, wxNotebook)->m_selection =
 378                     g_list_index( nb_pages, cur );
 379             }
 380         }
 381     }
 382
 383     return m_selection;
 384 }
 385
 386 wxString wxNotebook::GetPageText( size_t page ) const
 387 {
 388     wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid notebook") );
 389
 390     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 391     if (nb_page)
 392         return nb_page->m_text;
 393     else
 394         return wxEmptyString;
 395 }
 396
 397 int wxNotebook::GetPageImage( size_t page ) const
 398 {
 399     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 400
 401     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 402     if (nb_page)
 403         return nb_page->m_image;
 404     else
 405         return -1;
 406 }
 407
 408 wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const
 409 {
 410     wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") );
 411
 412     wxCHECK_MSG( page < (int)m_pagesData.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") );
 413
 414     return m_pagesData.Item(page)->GetData();
 415 }
 416
 417 int wxNotebook::SetSelection( size_t page )
 418 {
 419     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 420
 421     wxCHECK_MSG( page < m_pagesData.GetCount(), -1, wxT("invalid notebook index") );
 422
 423     int selOld = GetSelection();
 424
 425     // cache the selection
 426     m_selection = page;
 427     gtk_notebook_set_current_page( GTK_NOTEBOOK(m_widget), page );
 428
 429     wxNotebookPage *client = GetPage(page);
 430     if ( client )
 431         client->SetFocus();
 432
 433     return selOld;
 434 }
 435
 436 bool wxNotebook::SetPageText( size_t page, const wxString &text )
 437 {
 438     wxCHECK_MSG( m_widget != NULL, false, wxT("invalid notebook") );
 439
 440     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 441
 442     wxCHECK_MSG( nb_page, false, wxT("SetPageText: invalid page index") );
 443
 444     nb_page->m_text = text;
 445
 446     gtk_label_set_text( nb_page->m_label, wxGTK_CONV( nb_page->m_text ) );
 447
 448     return true;
 449 }
 450
 451 bool wxNotebook::SetPageImage( size_t page, int image )
 452 {
 453     /* HvdH 28-12-98: now it works, but it's a bit of a kludge */
 454
 455     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 456
 457     if (!nb_page) return false;
 458
 459     /* Optimization posibility: return immediately if image unchanged.
 460      * Not enabled because it may break existing (stupid) code that
 461      * manipulates the imagelist to cycle images */
 462
 463     /* if (image == nb_page->m_image) return true; */
 464
 465     /* For different cases:
 466        1) no image -> no image
 467        2) image -> no image
 468        3) no image -> image
 469        4) image -> image */
 470
 471     if (image == -1 && nb_page->m_image == -1)
 472         return true; /* Case 1): Nothing to do. */
 473
 474     GtkWidget *pixmapwid = (GtkWidget*) NULL;
 475
 476     if (nb_page->m_image != -1)
 477     {
 478         /* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */
 479
 480         GList *child = gtk_container_get_children(GTK_CONTAINER(nb_page->m_box));
 481         while (child)
 482         {
 483             if (GTK_IS_PIXMAP(child->data))
 484             {
 485                 pixmapwid = GTK_WIDGET(child->data);
 486                 break;
 487             }
 488             child = child->next;
 489         }
 490
 491         /* We should have the pixmap widget now */
 492         wxASSERT(pixmapwid != NULL);
 493
 494         if (image == -1)
 495         {
 496             /* If there's no new widget, just remove the old from the box */
 497             gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid);
 498             nb_page->m_image = -1;
 499
 500             return true; /* Case 2) */
 501         }
 502     }
 503
 504     /* Only cases 3) and 4) left */
 505     wxASSERT( m_imageList != NULL ); /* Just in case */
 506
 507     /* Construct the new pixmap */
 508     const wxBitmap *bmp = m_imageList->GetBitmapPtr(image);
 509     GdkPixmap *pixmap = bmp->GetPixmap();
 510     GdkBitmap *mask = (GdkBitmap*) NULL;
 511     if ( bmp->GetMask() )
 512     {
 513         mask = bmp->GetMask()->GetBitmap();
 514     }
 515
 516     if (pixmapwid == NULL)
 517     {
 518         /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */
 519         pixmapwid = gtk_pixmap_new (pixmap, mask );
 520
 521         /* CHECKME: Are these pack flags okay? */
 522         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 523         gtk_widget_show(pixmapwid);
 524     }
 525     else
 526     {
 527         /* Case 4) Simply replace the pixmap */
 528         gtk_pixmap_set(GTK_PIXMAP(pixmapwid), pixmap, mask);
 529     }
 530
 531     nb_page->m_image = image;
 532
 533     return true;
 534 }
 535
 536 void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) )
 537 {
 538     wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
 539 }
 540
 541 void wxNotebook::SetPadding( const wxSize &padding )
 542 {
 543     wxCHECK_RET( m_widget != NULL, wxT("invalid notebook") );
 544
 545     m_padding = padding.GetWidth();
 546
 547     int i;
 548     for (i=0; i<int(GetPageCount()); i++)
 549     {
 550         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 551         wxASSERT(nb_page != NULL);
 552
 553         if (nb_page->m_image != -1)
 554         {
 555             // gtk_box_set_child_packing sets padding on BOTH sides
 556             // icon provides left padding, label provides center and right
 557             int image = nb_page->m_image;
 558             SetPageImage(i,-1);
 559             SetPageImage(i,image);
 560         }
 561         wxASSERT(nb_page->m_label);
 562         gtk_box_set_child_packing(GTK_BOX(nb_page->m_box),
 563                                   GTK_WIDGET(nb_page->m_label),
 564                                   FALSE, FALSE, m_padding, GTK_PACK_END);
 565     }
 566 }
 567
 568 void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
 569 {
 570     wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
 571 }
 572
 573 bool wxNotebook::DeleteAllPages()
 574 {
 575     wxCHECK_MSG( m_widget != NULL, false, wxT("invalid notebook") );
 576
 577     while (m_pagesData.GetCount() > 0)
 578         DeletePage( m_pagesData.GetCount()-1 );
 579
 580     wxASSERT_MSG( GetPageCount() == 0, _T("all pages must have been deleted") );
 581
 582     InvalidateBestSize();
 583     return wxNotebookBase::DeleteAllPages();
 584 }
 585
 586 wxNotebookPage *wxNotebook::DoRemovePage( size_t page )
 587 {
 588     if ( m_selection != -1 && (size_t)m_selection >= page )
 589     {
 590         // the index will become invalid after the page is deleted
 591         m_selection = -1;
 592     }
 593
 594     wxNotebookPage *client = wxNotebookBase::DoRemovePage(page);
 595     if ( !client )
 596         return NULL;
 597
 598     gtk_widget_ref( client->m_widget );
 599     gtk_widget_unrealize( client->m_widget );
 600     gtk_widget_unparent( client->m_widget );
 601
 602     // gtk_notebook_remove_page() sends "switch_page" signal with some strange
 603     // new page index (when deleting selected page 0, new page is 1 although,
 604     // clearly, the selection should stay 0), so suppress this
 605     g_signal_handlers_disconnect_by_func (m_widget,
 606                                           (gpointer) gtk_notebook_page_change_callback,
 607                                           this);
 608
 609     gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
 610
 611     g_signal_connect (m_widget, "switch_page",
 612                       G_CALLBACK (gtk_notebook_page_change_callback), this);
 613
 614     wxGtkNotebookPage* p = GetNotebookPage(page);
 615     m_pagesData.DeleteObject(p);
 616     delete p;
 617
 618     return client;
 619 }
 620
 621 bool wxNotebook::InsertPage( size_t position,
 622                              wxNotebookPage* win,
 623                              const wxString& text,
 624                              bool select,
 625                              int imageId )
 626 {
 627     wxCHECK_MSG( m_widget != NULL, false, wxT("invalid notebook") );
 628
 629     wxCHECK_MSG( win->GetParent() == this, false,
 630                wxT("Can't add a page whose parent is not the notebook!") );
 631
 632     wxCHECK_MSG( position <= GetPageCount(), false,
 633                  _T("invalid page index in wxNotebookPage::InsertPage()") );
 634
 635     // Hack Alert! (Part II): See above in wxInsertChildInNotebook callback
 636     // why this has to be done.  NOTE: using gtk_widget_unparent here does not
 637     // work as it seems to undo too much and will cause errors in the
 638     // gtk_notebook_insert_page below, so instead just clear the parent by
 639     // hand here.
 640     win->m_widget->parent = NULL;
 641
 642     // don't receive switch page during addition
 643     g_signal_handlers_disconnect_by_func (m_widget,
 644                                           (gpointer) gtk_notebook_page_change_callback,
 645                                           this);
 646
 647     if (m_themeEnabled)
 648         win->SetThemeEnabled(true);
 649
 650     GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 651
 652     wxGtkNotebookPage *nb_page = new wxGtkNotebookPage();
 653
 654     if ( position == GetPageCount() )
 655         m_pagesData.Append( nb_page );
 656     else
 657         m_pagesData.Insert( position, nb_page );
 658
 659     m_pages.Insert(win, position);
 660
 661     nb_page->m_box = gtk_hbox_new( FALSE, 1 );
 662     gtk_container_border_width( GTK_CONTAINER(nb_page->m_box), 2 );
 663
 664     g_signal_connect (win->m_widget, "size_allocate",
 665                       G_CALLBACK (gtk_page_size_callback), win);
 666
 667     gtk_notebook_insert_page( notebook, win->m_widget, nb_page->m_box, position );
 668
 669     nb_page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;
 670
 671     /* set the label image */
 672     nb_page->m_image = imageId;
 673
 674     if (imageId != -1)
 675     {
 676         wxASSERT( m_imageList != NULL );
 677
 678         const wxBitmap *bmp = m_imageList->GetBitmapPtr(imageId);
 679         GdkPixmap *pixmap = bmp->GetPixmap();
 680         GdkBitmap *mask = (GdkBitmap*) NULL;
 681         if ( bmp->GetMask() )
 682         {
 683             mask = bmp->GetMask()->GetBitmap();
 684         }
 685
 686         GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );
 687
 688         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 689
 690         gtk_widget_show(pixmapwid);
 691     }
 692
 693     /* set the label text */
 694
 695     nb_page->m_text = text;
 696     if (nb_page->m_text.empty()) nb_page->m_text = wxEmptyString;
 697
 698     nb_page->m_label = GTK_LABEL( gtk_label_new(wxGTK_CONV(nb_page->m_text)) );
 699     gtk_box_pack_end( GTK_BOX(nb_page->m_box), GTK_WIDGET(nb_page->m_label), FALSE, FALSE, m_padding );
 700
 701     /* apply current style */
 702     GtkRcStyle *style = CreateWidgetStyle();
 703     if ( style )
 704     {
 705         gtk_widget_modify_style(GTK_WIDGET(nb_page->m_label), style);
 706         gtk_rc_style_unref(style);
 707     }
 708
 709     /* show the label */
 710     gtk_widget_show( GTK_WIDGET(nb_page->m_label) );
 711     if (select && (m_pagesData.GetCount() > 1))
 712     {
 713       SetSelection( position );
 714     }
 715
 716     g_signal_connect (m_widget, "switch_page",
 717                       G_CALLBACK (gtk_notebook_page_change_callback), this);
 718
 719     InvalidateBestSize();
 720     return true;
 721 }
 722
 723 // helper for HitTest(): check if the point lies inside the given widget which
 724 // is the child of the notebook whose position and border size are passed as
 725 // parameters
 726 static bool
 727 IsPointInsideWidget(const wxPoint& pt, GtkWidget *w,
 728                     gint x, gint y, gint border = 0)
 729 {
 730     return
 731         (pt.x >= w->allocation.x - x - border) &&
 732         (pt.x <= w->allocation.x - x + border + w->allocation.width) &&
 733         (pt.y >= w->allocation.y - y - border) &&
 734         (pt.y <= w->allocation.y - y + border + w->allocation.height);
 735 }
 736
 737 int wxNotebook::HitTest(const wxPoint& pt, long *flags) const
 738 {
 739     const gint x = m_widget->allocation.x;
 740     const gint y = m_widget->allocation.y;
 741
 742     const size_t count = GetPageCount();
 743     size_t i = 0;
 744
 745     GtkNotebook * notebook = GTK_NOTEBOOK(m_widget);
 746     if (gtk_notebook_get_scrollable(notebook))
 747         i = g_list_position( notebook->children, notebook->first_tab );
 748
 749     for ( ; i < count; i++ )
 750     {
 751         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 752         GtkWidget *box = nb_page->m_box;
 753
 754         const gint border = gtk_container_get_border_width(GTK_CONTAINER(box));
 755
 756         if ( IsPointInsideWidget(pt, box, x, y, border) )
 757         {
 758             // ok, we're inside this tab -- now find out where, if needed
 759             if ( flags )
 760             {
 761                 GtkWidget *pixmap = NULL;
 762
 763                 GList *children = gtk_container_get_children(GTK_CONTAINER(box));
 764                 for ( GList *child = children; child; child = child->next )
 765                 {
 766                     if ( GTK_IS_PIXMAP(child->data) )
 767                     {
 768                         pixmap = GTK_WIDGET(child->data);
 769                         break;
 770                     }
 771                 }
 772
 773                 if ( children )
 774                     g_list_free(children);
 775
 776                 if ( pixmap && IsPointInsideWidget(pt, pixmap, x, y) )
 777                 {
 778                     *flags = wxNB_HITTEST_ONICON;
 779                 }
 780                 else if ( IsPointInsideWidget(pt, GTK_WIDGET(nb_page->m_label), x, y) )
 781                 {
 782                     *flags = wxNB_HITTEST_ONLABEL;
 783                 }
 784                 else
 785                 {
 786                     *flags = wxNB_HITTEST_ONITEM;
 787                 }
 788             }
 789
 790             return i;
 791         }
 792     }
 793
 794     if ( flags )
 795         *flags = wxNB_HITTEST_NOWHERE;
 796
 797     return wxNOT_FOUND;
 798 }
 799
 800 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 801 {
 802     if (event.IsWindowChange())
 803         AdvanceSelection( event.GetDirection() );
 804     else
 805         event.Skip();
 806 }
 807
 808 #if wxUSE_CONSTRAINTS
 809
 810 // override these 2 functions to do nothing: everything is done in OnSize
 811 void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
 812 {
 813     // don't set the sizes of the pages - their correct size is not yet known
 814     wxControl::SetConstraintSizes(false);
 815 }
 816
 817 bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
 818 {
 819     return true;
 820 }
 821
 822 #endif
 823
 824 void wxNotebook::DoApplyWidgetStyle(GtkRcStyle *style)
 825 {
 826     gtk_widget_modify_style(m_widget, style);
 827     size_t cnt = m_pagesData.GetCount();
 828     for (size_t i = 0; i < cnt; i++)
 829         gtk_widget_modify_style(GTK_WIDGET(GetNotebookPage(i)->m_label), style);
 830 }
 831
 832 bool wxNotebook::IsOwnGtkWindow( GdkWindow *window )
 833 {
 834     return ((m_widget->window == window) ||
 835             GTK_NOTEBOOK(m_widget)->event_window == window);
 836 }
 837
 838 // static
 839 wxVisualAttributes
 840 wxNotebook::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 841 {
 842     return GetDefaultAttributesFromGTKWidget(gtk_notebook_new);
 843 }
 844
 845 //-----------------------------------------------------------------------------
 846 // wxNotebookEvent
 847 //-----------------------------------------------------------------------------
 848
 849 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 850
 851 #endif