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     #include "wx/bitmap.h"
  24 #endif
  25
  26 #include "wx/imaglist.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 ( (style & wxBK_ALIGN_MASK) == wxBK_DEFAULT )
 328         style |= wxBK_TOP;
 329
 330     if (!PreCreation( parent, pos, size ) ||
 331         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 332     {
 333         wxFAIL_MSG( wxT("wxNoteBook creation failed") );
 334         return false;
 335     }
 336
 337
 338     m_widget = gtk_notebook_new();
 339
 340     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 341
 342     g_signal_connect (m_widget, "switch_page",
 343                       G_CALLBACK (gtk_notebook_page_change_callback), this);
 344
 345     m_parent->DoAddChild( this );
 346
 347     if (m_windowStyle & wxBK_RIGHT)
 348         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
 349     if (m_windowStyle & wxBK_LEFT)
 350         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
 351     if (m_windowStyle & wxBK_BOTTOM)
 352         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
 353
 354     g_signal_connect (m_widget, "key_press_event",
 355                       G_CALLBACK (gtk_notebook_key_press_callback), this);
 356
 357     PostCreation(size);
 358
 359     g_signal_connect (m_widget, "realize",
 360                       G_CALLBACK (gtk_notebook_realized_callback), this);
 361
 362     return true;
 363 }
 364
 365 int wxNotebook::GetSelection() const
 366 {
 367     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 368
 369     if ( m_selection == -1 )
 370     {
 371         GList *nb_pages = GTK_NOTEBOOK(m_widget)->children;
 372
 373         if (g_list_length(nb_pages) != 0)
 374         {
 375             GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 376
 377             gpointer cur = notebook->cur_page;
 378             if ( cur != NULL )
 379             {
 380                 wxConstCast(this, wxNotebook)->m_selection =
 381                     g_list_index( nb_pages, cur );
 382             }
 383         }
 384     }
 385
 386     return m_selection;
 387 }
 388
 389 wxString wxNotebook::GetPageText( size_t page ) const
 390 {
 391     wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid notebook") );
 392
 393     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 394     if (nb_page)
 395         return nb_page->m_text;
 396     else
 397         return wxEmptyString;
 398 }
 399
 400 int wxNotebook::GetPageImage( size_t page ) const
 401 {
 402     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 403
 404     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 405     if (nb_page)
 406         return nb_page->m_image;
 407     else
 408         return -1;
 409 }
 410
 411 wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const
 412 {
 413     wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") );
 414
 415     wxCHECK_MSG( page < (int)m_pagesData.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") );
 416
 417     return m_pagesData.Item(page)->GetData();
 418 }
 419
 420 int wxNotebook::SetSelection( size_t page )
 421 {
 422     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 423
 424     wxCHECK_MSG( page < m_pagesData.GetCount(), -1, wxT("invalid notebook index") );
 425
 426     int selOld = GetSelection();
 427
 428     // cache the selection
 429     m_selection = page;
 430     gtk_notebook_set_current_page( GTK_NOTEBOOK(m_widget), page );
 431
 432     wxNotebookPage *client = GetPage(page);
 433     if ( client )
 434         client->SetFocus();
 435
 436     return selOld;
 437 }
 438
 439 bool wxNotebook::SetPageText( size_t page, const wxString &text )
 440 {
 441     wxCHECK_MSG( m_widget != NULL, false, wxT("invalid notebook") );
 442
 443     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 444
 445     wxCHECK_MSG( nb_page, false, wxT("SetPageText: invalid page index") );
 446
 447     nb_page->m_text = text;
 448
 449     gtk_label_set_text( nb_page->m_label, wxGTK_CONV( nb_page->m_text ) );
 450
 451     return true;
 452 }
 453
 454 bool wxNotebook::SetPageImage( size_t page, int image )
 455 {
 456     /* HvdH 28-12-98: now it works, but it's a bit of a kludge */
 457
 458     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 459
 460     if (!nb_page) return false;
 461
 462     /* Optimization posibility: return immediately if image unchanged.
 463      * Not enabled because it may break existing (stupid) code that
 464      * manipulates the imagelist to cycle images */
 465
 466     /* if (image == nb_page->m_image) return true; */
 467
 468     /* For different cases:
 469        1) no image -> no image
 470        2) image -> no image
 471        3) no image -> image
 472        4) image -> image */
 473
 474     if (image == -1 && nb_page->m_image == -1)
 475         return true; /* Case 1): Nothing to do. */
 476
 477     GtkWidget *pixmapwid = (GtkWidget*) NULL;
 478
 479     if (nb_page->m_image != -1)
 480     {
 481         /* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */
 482
 483         GList *child = gtk_container_get_children(GTK_CONTAINER(nb_page->m_box));
 484         while (child)
 485         {
 486             if (GTK_IS_PIXMAP(child->data))
 487             {
 488                 pixmapwid = GTK_WIDGET(child->data);
 489                 break;
 490             }
 491             child = child->next;
 492         }
 493
 494         /* We should have the pixmap widget now */
 495         wxASSERT(pixmapwid != NULL);
 496
 497         if (image == -1)
 498         {
 499             /* If there's no new widget, just remove the old from the box */
 500             gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid);
 501             nb_page->m_image = -1;
 502
 503             return true; /* Case 2) */
 504         }
 505     }
 506
 507     /* Only cases 3) and 4) left */
 508     wxASSERT( m_imageList != NULL ); /* Just in case */
 509
 510     /* Construct the new pixmap */
 511     const wxBitmap *bmp = m_imageList->GetBitmapPtr(image);
 512     GdkPixmap *pixmap = bmp->GetPixmap();
 513     GdkBitmap *mask = (GdkBitmap*) NULL;
 514     if ( bmp->GetMask() )
 515     {
 516         mask = bmp->GetMask()->GetBitmap();
 517     }
 518
 519     if (pixmapwid == NULL)
 520     {
 521         /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */
 522         pixmapwid = gtk_pixmap_new (pixmap, mask );
 523
 524         /* CHECKME: Are these pack flags okay? */
 525         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 526         gtk_widget_show(pixmapwid);
 527     }
 528     else
 529     {
 530         /* Case 4) Simply replace the pixmap */
 531         gtk_pixmap_set(GTK_PIXMAP(pixmapwid), pixmap, mask);
 532     }
 533
 534     nb_page->m_image = image;
 535
 536     return true;
 537 }
 538
 539 void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) )
 540 {
 541     wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
 542 }
 543
 544 void wxNotebook::SetPadding( const wxSize &padding )
 545 {
 546     wxCHECK_RET( m_widget != NULL, wxT("invalid notebook") );
 547
 548     m_padding = padding.GetWidth();
 549
 550     int i;
 551     for (i=0; i<int(GetPageCount()); i++)
 552     {
 553         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 554         wxASSERT(nb_page != NULL);
 555
 556         if (nb_page->m_image != -1)
 557         {
 558             // gtk_box_set_child_packing sets padding on BOTH sides
 559             // icon provides left padding, label provides center and right
 560             int image = nb_page->m_image;
 561             SetPageImage(i,-1);
 562             SetPageImage(i,image);
 563         }
 564         wxASSERT(nb_page->m_label);
 565         gtk_box_set_child_packing(GTK_BOX(nb_page->m_box),
 566                                   GTK_WIDGET(nb_page->m_label),
 567                                   FALSE, FALSE, m_padding, GTK_PACK_END);
 568     }
 569 }
 570
 571 void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
 572 {
 573     wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
 574 }
 575
 576 bool wxNotebook::DeleteAllPages()
 577 {
 578     wxCHECK_MSG( m_widget != NULL, false, wxT("invalid notebook") );
 579
 580     while (m_pagesData.GetCount() > 0)
 581         DeletePage( m_pagesData.GetCount()-1 );
 582
 583     wxASSERT_MSG( GetPageCount() == 0, _T("all pages must have been deleted") );
 584
 585     InvalidateBestSize();
 586     return wxNotebookBase::DeleteAllPages();
 587 }
 588
 589 wxNotebookPage *wxNotebook::DoRemovePage( size_t page )
 590 {
 591     if ( m_selection != -1 && (size_t)m_selection >= page )
 592     {
 593         // the index will become invalid after the page is deleted
 594         m_selection = -1;
 595     }
 596
 597     wxNotebookPage *client = wxNotebookBase::DoRemovePage(page);
 598     if ( !client )
 599         return NULL;
 600
 601     gtk_widget_ref( client->m_widget );
 602     gtk_widget_unrealize( client->m_widget );
 603     gtk_widget_unparent( client->m_widget );
 604
 605     // gtk_notebook_remove_page() sends "switch_page" signal with some strange
 606     // new page index (when deleting selected page 0, new page is 1 although,
 607     // clearly, the selection should stay 0), so suppress this
 608     g_signal_handlers_disconnect_by_func (m_widget,
 609                                           (gpointer) gtk_notebook_page_change_callback,
 610                                           this);
 611
 612     gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
 613
 614     g_signal_connect (m_widget, "switch_page",
 615                       G_CALLBACK (gtk_notebook_page_change_callback), this);
 616
 617     wxGtkNotebookPage* p = GetNotebookPage(page);
 618     m_pagesData.DeleteObject(p);
 619     delete p;
 620
 621     return client;
 622 }
 623
 624 bool wxNotebook::InsertPage( size_t position,
 625                              wxNotebookPage* win,
 626                              const wxString& text,
 627                              bool select,
 628                              int imageId )
 629 {
 630     wxCHECK_MSG( m_widget != NULL, false, wxT("invalid notebook") );
 631
 632     wxCHECK_MSG( win->GetParent() == this, false,
 633                wxT("Can't add a page whose parent is not the notebook!") );
 634
 635     wxCHECK_MSG( position <= GetPageCount(), false,
 636                  _T("invalid page index in wxNotebookPage::InsertPage()") );
 637
 638     // Hack Alert! (Part II): See above in wxInsertChildInNotebook callback
 639     // why this has to be done.  NOTE: using gtk_widget_unparent here does not
 640     // work as it seems to undo too much and will cause errors in the
 641     // gtk_notebook_insert_page below, so instead just clear the parent by
 642     // hand here.
 643     win->m_widget->parent = NULL;
 644
 645     // don't receive switch page during addition
 646     g_signal_handlers_disconnect_by_func (m_widget,
 647                                           (gpointer) gtk_notebook_page_change_callback,
 648                                           this);
 649
 650     if (m_themeEnabled)
 651         win->SetThemeEnabled(true);
 652
 653     GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 654
 655     wxGtkNotebookPage *nb_page = new wxGtkNotebookPage();
 656
 657     if ( position == GetPageCount() )
 658         m_pagesData.Append( nb_page );
 659     else
 660         m_pagesData.Insert( position, nb_page );
 661
 662     m_pages.Insert(win, position);
 663
 664     nb_page->m_box = gtk_hbox_new( FALSE, 1 );
 665     gtk_container_border_width( GTK_CONTAINER(nb_page->m_box), 2 );
 666
 667     g_signal_connect (win->m_widget, "size_allocate",
 668                       G_CALLBACK (gtk_page_size_callback), win);
 669
 670     gtk_notebook_insert_page( notebook, win->m_widget, nb_page->m_box, position );
 671
 672     nb_page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;
 673
 674     /* set the label image */
 675     nb_page->m_image = imageId;
 676
 677     if (imageId != -1)
 678     {
 679         wxASSERT( m_imageList != NULL );
 680
 681         const wxBitmap *bmp = m_imageList->GetBitmapPtr(imageId);
 682         GdkPixmap *pixmap = bmp->GetPixmap();
 683         GdkBitmap *mask = (GdkBitmap*) NULL;
 684         if ( bmp->GetMask() )
 685         {
 686             mask = bmp->GetMask()->GetBitmap();
 687         }
 688
 689         GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );
 690
 691         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 692
 693         gtk_widget_show(pixmapwid);
 694     }
 695
 696     /* set the label text */
 697
 698     nb_page->m_text = text;
 699     if (nb_page->m_text.empty()) nb_page->m_text = wxEmptyString;
 700
 701     nb_page->m_label = GTK_LABEL( gtk_label_new(wxGTK_CONV(nb_page->m_text)) );
 702     gtk_box_pack_end( GTK_BOX(nb_page->m_box), GTK_WIDGET(nb_page->m_label), FALSE, FALSE, m_padding );
 703
 704     /* apply current style */
 705     GtkRcStyle *style = CreateWidgetStyle();
 706     if ( style )
 707     {
 708         gtk_widget_modify_style(GTK_WIDGET(nb_page->m_label), style);
 709         gtk_rc_style_unref(style);
 710     }
 711
 712     /* show the label */
 713     gtk_widget_show( GTK_WIDGET(nb_page->m_label) );
 714     if (select && (m_pagesData.GetCount() > 1))
 715     {
 716       SetSelection( position );
 717     }
 718
 719     g_signal_connect (m_widget, "switch_page",
 720                       G_CALLBACK (gtk_notebook_page_change_callback), this);
 721
 722     InvalidateBestSize();
 723     return true;
 724 }
 725
 726 // helper for HitTest(): check if the point lies inside the given widget which
 727 // is the child of the notebook whose position and border size are passed as
 728 // parameters
 729 static bool
 730 IsPointInsideWidget(const wxPoint& pt, GtkWidget *w,
 731                     gint x, gint y, gint border = 0)
 732 {
 733     return
 734         (pt.x >= w->allocation.x - x - border) &&
 735         (pt.x <= w->allocation.x - x + border + w->allocation.width) &&
 736         (pt.y >= w->allocation.y - y - border) &&
 737         (pt.y <= w->allocation.y - y + border + w->allocation.height);
 738 }
 739
 740 int wxNotebook::HitTest(const wxPoint& pt, long *flags) const
 741 {
 742     const gint x = m_widget->allocation.x;
 743     const gint y = m_widget->allocation.y;
 744
 745     const size_t count = GetPageCount();
 746     size_t i = 0;
 747
 748     GtkNotebook * notebook = GTK_NOTEBOOK(m_widget);
 749     if (gtk_notebook_get_scrollable(notebook))
 750         i = g_list_position( notebook->children, notebook->first_tab );
 751
 752     for ( ; i < count; i++ )
 753     {
 754         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 755         GtkWidget *box = nb_page->m_box;
 756
 757         const gint border = gtk_container_get_border_width(GTK_CONTAINER(box));
 758
 759         if ( IsPointInsideWidget(pt, box, x, y, border) )
 760         {
 761             // ok, we're inside this tab -- now find out where, if needed
 762             if ( flags )
 763             {
 764                 GtkWidget *pixmap = NULL;
 765
 766                 GList *children = gtk_container_get_children(GTK_CONTAINER(box));
 767                 for ( GList *child = children; child; child = child->next )
 768                 {
 769                     if ( GTK_IS_PIXMAP(child->data) )
 770                     {
 771                         pixmap = GTK_WIDGET(child->data);
 772                         break;
 773                     }
 774                 }
 775
 776                 if ( children )
 777                     g_list_free(children);
 778
 779                 if ( pixmap && IsPointInsideWidget(pt, pixmap, x, y) )
 780                 {
 781                     *flags = wxBK_HITTEST_ONICON;
 782                 }
 783                 else if ( IsPointInsideWidget(pt, GTK_WIDGET(nb_page->m_label), x, y) )
 784                 {
 785                     *flags = wxBK_HITTEST_ONLABEL;
 786                 }
 787                 else
 788                 {
 789                     *flags = wxBK_HITTEST_ONITEM;
 790                 }
 791             }
 792
 793             return i;
 794         }
 795     }
 796
 797     if ( flags )
 798     {
 799         *flags = wxBK_HITTEST_NOWHERE;
 800         wxWindowBase * page = GetCurrentPage();
 801         if ( page )
 802         {
 803             // rect origin is in notebook's parent coordinates
 804             wxRect rect = page->GetRect();
 805
 806             // adjust it to the notebook's coordinates
 807             wxPoint pos = GetPosition();
 808             rect.x -= pos.x;
 809             rect.y -= pos.y;
 810             if ( rect.Inside( pt ) )
 811                 *flags |= wxBK_HITTEST_ONPAGE;
 812         }
 813     }
 814
 815     return wxNOT_FOUND;
 816 }
 817
 818 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 819 {
 820     if (event.IsWindowChange())
 821         AdvanceSelection( event.GetDirection() );
 822     else
 823         event.Skip();
 824 }
 825
 826 #if wxUSE_CONSTRAINTS
 827
 828 // override these 2 functions to do nothing: everything is done in OnSize
 829 void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
 830 {
 831     // don't set the sizes of the pages - their correct size is not yet known
 832     wxControl::SetConstraintSizes(false);
 833 }
 834
 835 bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
 836 {
 837     return true;
 838 }
 839
 840 #endif
 841
 842 void wxNotebook::DoApplyWidgetStyle(GtkRcStyle *style)
 843 {
 844     gtk_widget_modify_style(m_widget, style);
 845     size_t cnt = m_pagesData.GetCount();
 846     for (size_t i = 0; i < cnt; i++)
 847         gtk_widget_modify_style(GTK_WIDGET(GetNotebookPage(i)->m_label), style);
 848 }
 849
 850 bool wxNotebook::IsOwnGtkWindow( GdkWindow *window )
 851 {
 852     return ((m_widget->window == window) ||
 853             GTK_NOTEBOOK(m_widget)->event_window == window);
 854 }
 855
 856 // static
 857 wxVisualAttributes
 858 wxNotebook::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 859 {
 860     return GetDefaultAttributesFromGTKWidget(gtk_notebook_new);
 861 }
 862
 863 //-----------------------------------------------------------------------------
 864 // wxNotebookEvent
 865 //-----------------------------------------------------------------------------
 866
 867 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 868
 869 #endif