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! (Part I): This sets the notebook as the parent of the child
 255     // widget, and takes care of some details such as updating the state and
 256     // style of the child to reflect its new location.  We do this early
 257     // because without it GetBestSize (which is used to set the initial size
 258     // of controls if an explicit size is not given) will often report
 259     // incorrect sizes since the widget's style context is not fully known.
 260     // See bug #901694 for details
 261     // (http://sourceforge.net/tracker/?func=detail&aid=901694&group_id=9863&atid=109863)
 262     gtk_widget_set_parent(child->m_widget, parent->m_widget);
 263
 264     // NOTE: This should be considered a temporary workaround until we can
 265     // work out the details and implement delaying the setting of the initial
 266     // size of widgets until the size is really needed.
 267 }
 268
 269 //-----------------------------------------------------------------------------
 270 // wxNotebook
 271 //-----------------------------------------------------------------------------
 272
 273 IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)
 274
 275 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
 276     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
 277 END_EVENT_TABLE()
 278
 279 void wxNotebook::Init()
 280 {
 281     m_padding = 0;
 282     m_inSwitchPage = FALSE;
 283
 284     m_imageList = (wxImageList *) NULL;
 285     m_selection = -1;
 286     m_themeEnabled = TRUE;
 287 }
 288
 289 wxNotebook::wxNotebook()
 290 {
 291     Init();
 292 }
 293
 294 wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id,
 295       const wxPoint& pos, const wxSize& size,
 296       long style, const wxString& name )
 297 {
 298     Init();
 299     Create( parent, id, pos, size, style, name );
 300 }
 301
 302 wxNotebook::~wxNotebook()
 303 {
 304     DeleteAllPages();
 305 }
 306
 307 bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
 308                         const wxPoint& pos, const wxSize& size,
 309                         long style, const wxString& name )
 310 {
 311     m_needParent = TRUE;
 312     m_acceptsFocus = TRUE;
 313     m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook;
 314
 315     if (!PreCreation( parent, pos, size ) ||
 316         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 317     {
 318         wxFAIL_MSG( wxT("wxNoteBook creation failed") );
 319         return FALSE;
 320     }
 321
 322
 323     m_widget = gtk_notebook_new();
 324
 325     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 326
 327     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 328       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 329
 330     m_parent->DoAddChild( this );
 331
 332     if (m_windowStyle & wxNB_RIGHT)
 333         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
 334     if (m_windowStyle & wxNB_LEFT)
 335         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
 336     if (m_windowStyle & wxNB_BOTTOM)
 337         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
 338
 339     gtk_signal_connect( GTK_OBJECT(m_widget), "key_press_event",
 340       GTK_SIGNAL_FUNC(gtk_notebook_key_press_callback), (gpointer)this );
 341
 342     PostCreation(size);
 343
 344     gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
 345                             GTK_SIGNAL_FUNC(gtk_notebook_realized_callback), (gpointer) this );
 346
 347     return TRUE;
 348 }
 349
 350 int wxNotebook::GetSelection() const
 351 {
 352     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 353
 354     if ( m_selection == -1 )
 355     {
 356         GList *nb_pages = GTK_NOTEBOOK(m_widget)->children;
 357
 358         if (g_list_length(nb_pages) != 0)
 359         {
 360             GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 361
 362             gpointer cur = notebook->cur_page;
 363             if ( cur != NULL )
 364             {
 365                 wxConstCast(this, wxNotebook)->m_selection =
 366                     g_list_index( nb_pages, cur );
 367             }
 368         }
 369     }
 370
 371     return m_selection;
 372 }
 373
 374 wxString wxNotebook::GetPageText( size_t page ) const
 375 {
 376     wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid notebook") );
 377
 378     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 379     if (nb_page)
 380         return nb_page->m_text;
 381     else
 382         return wxT("");
 383 }
 384
 385 int wxNotebook::GetPageImage( size_t page ) const
 386 {
 387     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 388
 389     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 390     if (nb_page)
 391         return nb_page->m_image;
 392     else
 393         return -1;
 394 }
 395
 396 wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const
 397 {
 398     wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") );
 399
 400     wxCHECK_MSG( page < (int)m_pagesData.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") );
 401
 402     return m_pagesData.Item(page)->GetData();
 403 }
 404
 405 int wxNotebook::SetSelection( size_t page )
 406 {
 407     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 408
 409     wxCHECK_MSG( page < m_pagesData.GetCount(), -1, wxT("invalid notebook index") );
 410
 411     int selOld = GetSelection();
 412
 413     // cache the selection
 414     m_selection = page;
 415     gtk_notebook_set_page( GTK_NOTEBOOK(m_widget), page );
 416
 417     wxNotebookPage *client = GetPage(page);
 418     if ( client )
 419         client->SetFocus();
 420
 421     return selOld;
 422 }
 423
 424 bool wxNotebook::SetPageText( size_t page, const wxString &text )
 425 {
 426     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 427
 428     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 429
 430     wxCHECK_MSG( nb_page, FALSE, wxT("SetPageText: invalid page index") );
 431
 432     nb_page->m_text = text;
 433
 434     gtk_label_set( nb_page->m_label, wxGTK_CONV( nb_page->m_text ) );
 435
 436     return TRUE;
 437 }
 438
 439 bool wxNotebook::SetPageImage( size_t page, int image )
 440 {
 441     /* HvdH 28-12-98: now it works, but it's a bit of a kludge */
 442
 443     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 444
 445     if (!nb_page) return FALSE;
 446
 447     /* Optimization posibility: return immediately if image unchanged.
 448      * Not enabled because it may break existing (stupid) code that
 449      * manipulates the imagelist to cycle images */
 450
 451     /* if (image == nb_page->m_image) return TRUE; */
 452
 453     /* For different cases:
 454        1) no image -> no image
 455        2) image -> no image
 456        3) no image -> image
 457        4) image -> image */
 458
 459     if (image == -1 && nb_page->m_image == -1)
 460         return TRUE; /* Case 1): Nothing to do. */
 461
 462     GtkWidget *pixmapwid = (GtkWidget*) NULL;
 463
 464     if (nb_page->m_image != -1)
 465     {
 466         /* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */
 467
 468         GList *child = gtk_container_children(GTK_CONTAINER(nb_page->m_box));
 469         while (child)
 470         {
 471             if (GTK_IS_PIXMAP(child->data))
 472             {
 473                 pixmapwid = GTK_WIDGET(child->data);
 474                 break;
 475             }
 476             child = child->next;
 477         }
 478
 479         /* We should have the pixmap widget now */
 480         wxASSERT(pixmapwid != NULL);
 481
 482         if (image == -1)
 483         {
 484             /* If there's no new widget, just remove the old from the box */
 485             gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid);
 486             nb_page->m_image = -1;
 487
 488             return TRUE; /* Case 2) */
 489         }
 490     }
 491
 492     /* Only cases 3) and 4) left */
 493     wxASSERT( m_imageList != NULL ); /* Just in case */
 494
 495     /* Construct the new pixmap */
 496     const wxBitmap *bmp = m_imageList->GetBitmap(image);
 497     GdkPixmap *pixmap = bmp->GetPixmap();
 498     GdkBitmap *mask = (GdkBitmap*) NULL;
 499     if ( bmp->GetMask() )
 500     {
 501         mask = bmp->GetMask()->GetBitmap();
 502     }
 503
 504     if (pixmapwid == NULL)
 505     {
 506         /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */
 507         pixmapwid = gtk_pixmap_new (pixmap, mask );
 508
 509         /* CHECKME: Are these pack flags okay? */
 510         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 511         gtk_widget_show(pixmapwid);
 512     }
 513     else
 514     {
 515         /* Case 4) Simply replace the pixmap */
 516         gtk_pixmap_set(GTK_PIXMAP(pixmapwid), pixmap, mask);
 517     }
 518
 519     nb_page->m_image = image;
 520
 521     return TRUE;
 522 }
 523
 524 void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) )
 525 {
 526     wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
 527 }
 528
 529 void wxNotebook::SetPadding( const wxSize &padding )
 530 {
 531     wxCHECK_RET( m_widget != NULL, wxT("invalid notebook") );
 532
 533     m_padding = padding.GetWidth();
 534
 535     int i;
 536     for (i=0; i<int(GetPageCount()); i++)
 537     {
 538         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 539         wxASSERT(nb_page != NULL);
 540
 541         if (nb_page->m_image != -1)
 542         {
 543             // gtk_box_set_child_packing sets padding on BOTH sides
 544             // icon provides left padding, label provides center and right
 545             int image = nb_page->m_image;
 546             SetPageImage(i,-1);
 547             SetPageImage(i,image);
 548         }
 549         wxASSERT(nb_page->m_label);
 550         gtk_box_set_child_packing(GTK_BOX(nb_page->m_box),
 551                                   GTK_WIDGET(nb_page->m_label),
 552                                   FALSE, FALSE, m_padding, GTK_PACK_END);
 553     }
 554 }
 555
 556 void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
 557 {
 558     wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
 559 }
 560
 561 bool wxNotebook::DeleteAllPages()
 562 {
 563     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 564
 565     while (m_pagesData.GetCount() > 0)
 566         DeletePage( m_pagesData.GetCount()-1 );
 567
 568     wxASSERT_MSG( GetPageCount() == 0, _T("all pages must have been deleted") );
 569
 570     InvalidateBestSize();
 571     return wxNotebookBase::DeleteAllPages();
 572 }
 573
 574 wxNotebookPage *wxNotebook::DoRemovePage( size_t page )
 575 {
 576     if ( m_selection != -1 && (size_t)m_selection >= page )
 577     {
 578         // the index will become invalid after the page is deleted
 579         m_selection = -1;
 580     }
 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 wxInsertChildInNotebook callback
 623     // why this has to be done.  NOTE: using gtk_widget_unparent here does not
 624     // work as it seems to undo too much and will cause errors in the
 625     // gtk_notebook_insert_page below, so instead just clear the parent by
 626     // hand here.
 627     win->m_widget->parent = NULL;
 628
 629     // don't receive switch page during addition
 630     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 631       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 632
 633     if (m_themeEnabled)
 634         win->SetThemeEnabled(TRUE);
 635
 636     GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 637
 638     wxGtkNotebookPage *nb_page = new wxGtkNotebookPage();
 639
 640     if ( position == GetPageCount() )
 641         m_pagesData.Append( nb_page );
 642     else
 643         m_pagesData.Insert( m_pagesData.Item( position ), nb_page );
 644
 645     m_pages.Insert(win, position);
 646
 647     nb_page->m_box = gtk_hbox_new( FALSE, 1 );
 648     gtk_container_border_width( GTK_CONTAINER(nb_page->m_box), 2 );
 649
 650     gtk_signal_connect( GTK_OBJECT(win->m_widget), "size_allocate",
 651       GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)win );
 652
 653 #ifndef __VMS
 654    // On VMS position is unsigned and thus always positive
 655    if (position < 0)
 656         gtk_notebook_append_page( notebook, win->m_widget, nb_page->m_box );
 657     else
 658 #endif
 659      gtk_notebook_insert_page( notebook, win->m_widget, nb_page->m_box, position );
 660
 661     nb_page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;
 662
 663     /* set the label image */
 664     nb_page->m_image = imageId;
 665
 666     if (imageId != -1)
 667     {
 668         wxASSERT( m_imageList != NULL );
 669
 670         const wxBitmap *bmp = m_imageList->GetBitmap(imageId);
 671         GdkPixmap *pixmap = bmp->GetPixmap();
 672         GdkBitmap *mask = (GdkBitmap*) NULL;
 673         if ( bmp->GetMask() )
 674         {
 675             mask = bmp->GetMask()->GetBitmap();
 676         }
 677
 678         GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );
 679
 680         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 681
 682         gtk_widget_show(pixmapwid);
 683     }
 684
 685     /* set the label text */
 686
 687     nb_page->m_text = text;
 688     if (nb_page->m_text.IsEmpty()) nb_page->m_text = wxT("");
 689
 690     nb_page->m_label = GTK_LABEL( gtk_label_new(wxGTK_CONV(nb_page->m_text)) );
 691     gtk_box_pack_end( GTK_BOX(nb_page->m_box), GTK_WIDGET(nb_page->m_label), FALSE, FALSE, m_padding );
 692
 693     /* show the label */
 694     gtk_widget_show( GTK_WIDGET(nb_page->m_label) );
 695     if (select && (m_pagesData.GetCount() > 1))
 696     {
 697 #ifndef __VMS
 698    // On VMS position is unsigned and thus always positive
 699         if (position < 0)
 700             SetSelection( GetPageCount()-1 );
 701         else
 702 #endif
 703             SetSelection( position );
 704     }
 705
 706     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 707       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 708
 709     InvalidateBestSize();
 710     return TRUE;
 711 }
 712
 713 // helper for HitTest(): check if the point lies inside the given widget which
 714 // is the child of the notebook whose position and border size are passed as
 715 // parameters
 716 static bool
 717 IsPointInsideWidget(const wxPoint& pt, GtkWidget *w,
 718                     gint x, gint y, gint border = 0)
 719 {
 720     return
 721         (pt.x >= w->allocation.x - x - border) &&
 722         (pt.x <= w->allocation.x - x + border + w->allocation.width) &&
 723         (pt.y >= w->allocation.y - y - border) &&
 724         (pt.y <= w->allocation.y - y + border + w->allocation.height);
 725 }
 726
 727 int wxNotebook::HitTest(const wxPoint& pt, long *flags) const
 728 {
 729     const gint x = m_widget->allocation.x;
 730     const gint y = m_widget->allocation.y;
 731
 732     const size_t count = GetPageCount();
 733     for ( size_t i = 0; i < count; i++ )
 734     {
 735         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 736         GtkWidget *box = nb_page->m_box;
 737
 738         // VZ: don't know how to find the border width in GTK+ 1.2
 739 #ifdef __WXGTK20__
 740         const gint border = gtk_container_get_border_width(GTK_CONTAINER(box));
 741 #else // !GTK+ 2.x
 742         const gint border = 0;
 743 #endif
 744         if ( IsPointInsideWidget(pt, box, x, y, border) )
 745         {
 746             // ok, we're inside this tab -- now find out where, if needed
 747             if ( flags )
 748             {
 749                 GtkWidget *pixmap = NULL;
 750
 751                 GList *children = gtk_container_children(GTK_CONTAINER(box));
 752                 for ( GList *child = children; child; child = child->next )
 753                 {
 754                     if ( GTK_IS_PIXMAP(child->data) )
 755                     {
 756                         pixmap = GTK_WIDGET(child->data);
 757                         break;
 758                     }
 759                 }
 760
 761                 if ( children )
 762                     g_list_free(children);
 763
 764                 if ( pixmap && IsPointInsideWidget(pt, pixmap, x, y) )
 765                 {
 766                     *flags = wxNB_HITTEST_ONICON;
 767                 }
 768                 else if ( IsPointInsideWidget(pt, GTK_WIDGET(nb_page->m_label), x, y) )
 769                 {
 770                     *flags = wxNB_HITTEST_ONLABEL;
 771                 }
 772                 else
 773                 {
 774                     *flags = wxNB_HITTEST_ONITEM;
 775                 }
 776             }
 777
 778             return i;
 779         }
 780     }
 781
 782     if ( flags )
 783         *flags = wxNB_HITTEST_NOWHERE;
 784
 785     return wxNOT_FOUND;
 786 }
 787
 788 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 789 {
 790     if (event.IsWindowChange())
 791         AdvanceSelection( event.GetDirection() );
 792     else
 793         event.Skip();
 794 }
 795
 796 #if wxUSE_CONSTRAINTS
 797
 798 // override these 2 functions to do nothing: everything is done in OnSize
 799 void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
 800 {
 801     // don't set the sizes of the pages - their correct size is not yet known
 802     wxControl::SetConstraintSizes(FALSE);
 803 }
 804
 805 bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
 806 {
 807     return TRUE;
 808 }
 809
 810 #endif
 811
 812 void wxNotebook::DoApplyWidgetStyle(GtkRcStyle *style)
 813 {
 814     // TODO, font for labels etc
 815     gtk_widget_modify_style( m_widget, style );
 816 }
 817
 818 bool wxNotebook::IsOwnGtkWindow( GdkWindow *window )
 819 {
 820     return ((m_widget->window == window) ||
 821             (NOTEBOOK_PANEL(m_widget) == window));
 822 }
 823
 824 bool  wxNotebook::SetFont(const wxFont& font)
 825 {
 826         bool rc=wxNotebookBase::SetFont(font);
 827
 828         if (rc)
 829         {
 830                 size_t i;
 831                 for (i=0 ; i < m_pagesData.GetCount() ; i++)
 832                         GetNotebookPage(i)->SetFont(font);
 833         }
 834         return rc;
 835 }
 836
 837 // static
 838 wxVisualAttributes
 839 wxNotebook::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 840 {
 841     return GetDefaultAttributesFromGTKWidget(gtk_notebook_new);
 842 }
 843
 844 //-----------------------------------------------------------------------------
 845 // wxNotebookEvent
 846 //-----------------------------------------------------------------------------
 847
 848 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 849
 850 #endif