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         m_labelStyle = (GtkStyle*) NULL;
  76     }
  77
  78     ~wxGtkNotebookPage()
  79     {
  80         if (m_labelStyle)
  81             gtk_style_unref( m_labelStyle );
  82     }
  83
  84     bool SetFont(const wxFont& font);
  85
  86     wxString           m_text;
  87     int                m_image;
  88     GtkNotebookPage   *m_page;
  89     GtkLabel          *m_label;
  90     GtkWidget         *m_box;     // in which the label and image are packed
  91     GtkStyle          *m_labelStyle;
  92 };
  93
  94
  95 bool wxGtkNotebookPage::SetFont(const wxFont& font)
  96 {
  97     if (!m_label)
  98                 return false;
  99
 100     if (m_labelStyle)
 101     {
 102         GtkStyle *remake = gtk_style_copy( m_labelStyle );
 103
 104 #ifndef __WXGTK20__
 105         remake->klass = m_labelStyle->klass;
 106 #endif
 107
 108         gtk_style_unref( m_labelStyle );
 109         m_labelStyle = remake;
 110     }
 111     else
 112     {
 113         GtkStyle *def = gtk_rc_get_style( GTK_WIDGET(m_label) );
 114
 115         if (!def)
 116             def = gtk_widget_get_default_style();
 117
 118         m_labelStyle = gtk_style_copy( def );
 119
 120         // FIXME: no more klass in 2.0
 121 #ifndef __WXGTK20__
 122         m_labelStyle->klass = def->klass;
 123 #endif
 124     }
 125
 126 #ifdef __WXGTK20__
 127         pango_font_description_free( m_labelStyle->font_desc );
 128         m_labelStyle->font_desc = pango_font_description_copy( font.GetNativeFontInfo()->description );
 129 #else
 130         gdk_font_unref( m_labelStyle->font );
 131         m_labelStyle->font = gdk_font_ref( font.GetInternalFont( 1.0 ) );
 132 #endif
 133
 134     gtk_widget_set_style( GTK_WIDGET(m_label), m_labelStyle );
 135
 136         return true;
 137 }
 138
 139
 140 #include "wx/listimpl.cpp"
 141 WX_DEFINE_LIST(wxGtkNotebookPagesList);
 142
 143
 144 //-----------------------------------------------------------------------------
 145 // "switch_page"
 146 //-----------------------------------------------------------------------------
 147
 148 static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
 149                                               GtkNotebookPage *WXUNUSED(page),
 150                                               gint page,
 151                                               wxNotebook *notebook )
 152 {
 153     // are you trying to call SetSelection() from a notebook event handler?
 154     // you shouldn't!
 155     wxCHECK_RET( !notebook->m_inSwitchPage,
 156                  _T("gtk_notebook_page_change_callback reentered") );
 157
 158     notebook->m_inSwitchPage = TRUE;
 159     if (g_isIdle)
 160         wxapp_install_idle_handler();
 161
 162     int old = notebook->GetSelection();
 163
 164     wxNotebookEvent eventChanging( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING,
 165                                    notebook->GetId(), page, old );
 166     eventChanging.SetEventObject( notebook );
 167
 168     if ( (notebook->GetEventHandler()->ProcessEvent(eventChanging)) &&
 169          !eventChanging.IsAllowed() )
 170     {
 171         /* program doesn't allow the page change */
 172         gtk_signal_emit_stop_by_name( GTK_OBJECT(notebook->m_widget),
 173                                       "switch_page" );
 174     }
 175     else // change allowed
 176     {
 177         // make wxNotebook::GetSelection() return the correct (i.e. consistent
 178         // with wxNotebookEvent::GetSelection()) value even though the page is
 179         // not really changed in GTK+
 180         notebook->m_selection = page;
 181
 182         wxNotebookEvent eventChanged( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED,
 183                                       notebook->GetId(), page, old );
 184         eventChanged.SetEventObject( notebook );
 185         notebook->GetEventHandler()->ProcessEvent( eventChanged );
 186     }
 187
 188     notebook->m_inSwitchPage = FALSE;
 189 }
 190
 191 //-----------------------------------------------------------------------------
 192 // "size_allocate"
 193 //-----------------------------------------------------------------------------
 194
 195 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
 196 {
 197     if (g_isIdle)
 198         wxapp_install_idle_handler();
 199
 200     if ((win->m_x == alloc->x) &&
 201         (win->m_y == alloc->y) &&
 202         (win->m_width == alloc->width) &&
 203         (win->m_height == alloc->height))
 204     {
 205         return;
 206     }
 207
 208     win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
 209
 210     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call allocate
 211        here in order to make repositioning after resizing to take effect. */
 212     if ((gtk_major_version == 1) &&
 213         (gtk_minor_version == 2) &&
 214         (gtk_micro_version < 6) &&
 215         (win->m_wxwindow) &&
 216         (GTK_WIDGET_REALIZED(win->m_wxwindow)))
 217     {
 218         gtk_widget_size_allocate( win->m_wxwindow, alloc );
 219     }
 220 }
 221
 222 //-----------------------------------------------------------------------------
 223 // "realize" from m_widget
 224 //-----------------------------------------------------------------------------
 225
 226 static gint
 227 gtk_notebook_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win )
 228 {
 229     if (g_isIdle)
 230         wxapp_install_idle_handler();
 231
 232     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call a queue_resize
 233        here in order to make repositioning before showing to take effect. */
 234     gtk_widget_queue_resize( win->m_widget );
 235
 236     return FALSE;
 237 }
 238
 239 //-----------------------------------------------------------------------------
 240 // "key_press_event"
 241 //-----------------------------------------------------------------------------
 242
 243 static gint gtk_notebook_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxNotebook *win )
 244 {
 245     if (g_isIdle)
 246         wxapp_install_idle_handler();
 247
 248     if (!win->m_hasVMT) return FALSE;
 249     if (g_blockEventsOnDrag) return FALSE;
 250
 251     /* win is a control: tab can be propagated up */
 252     if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
 253     {
 254         int sel = win->GetSelection();
 255         if (sel == -1)
 256             return TRUE;
 257         wxGtkNotebookPage *nb_page = win->GetNotebookPage(sel);
 258         wxCHECK_MSG( nb_page, FALSE, _T("invalid selection in wxNotebook") );
 259
 260         wxNavigationKeyEvent event;
 261         event.SetEventObject( win );
 262         /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
 263         event.SetDirection( (gdk_event->keyval == GDK_Tab) );
 264         /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
 265         event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
 266         event.SetCurrentFocus( win );
 267
 268         wxNotebookPage *client = win->GetPage(sel);
 269         if ( !client->GetEventHandler()->ProcessEvent( event ) )
 270         {
 271              client->SetFocus();
 272         }
 273
 274         gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
 275         return TRUE;
 276     }
 277
 278     return FALSE;
 279 }
 280
 281 //-----------------------------------------------------------------------------
 282 // InsertChild callback for wxNotebook
 283 //-----------------------------------------------------------------------------
 284
 285 static void wxInsertChildInNotebook( wxNotebook* parent, wxWindow* child )
 286 {
 287     // Hack alert! We manually set the child window
 288     // parent field so that GTK can query the
 289     // notebook's style and font. Without that, GetBestSize could return
 290     // incorrect size, see bug #901694 for details
 291     // (http://sourceforge.net/tracker/?func=detail&aid=901694&group_id=9863&atid=109863)
 292     child->m_widget->parent = parent->m_widget;
 293 }
 294
 295 //-----------------------------------------------------------------------------
 296 // wxNotebook
 297 //-----------------------------------------------------------------------------
 298
 299 IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)
 300
 301 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
 302     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
 303 END_EVENT_TABLE()
 304
 305 void wxNotebook::Init()
 306 {
 307     m_padding = 0;
 308     m_inSwitchPage = FALSE;
 309
 310     m_imageList = (wxImageList *) NULL;
 311     m_selection = -1;
 312     m_themeEnabled = TRUE;
 313 }
 314
 315 wxNotebook::wxNotebook()
 316 {
 317     Init();
 318 }
 319
 320 wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id,
 321       const wxPoint& pos, const wxSize& size,
 322       long style, const wxString& name )
 323 {
 324     Init();
 325     Create( parent, id, pos, size, style, name );
 326 }
 327
 328 wxNotebook::~wxNotebook()
 329 {
 330     DeleteAllPages();
 331 }
 332
 333 bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
 334                         const wxPoint& pos, const wxSize& size,
 335                         long style, const wxString& name )
 336 {
 337     m_needParent = TRUE;
 338     m_acceptsFocus = TRUE;
 339     m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook;
 340
 341     if (!PreCreation( parent, pos, size ) ||
 342         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 343     {
 344         wxFAIL_MSG( wxT("wxNoteBook creation failed") );
 345         return FALSE;
 346     }
 347
 348
 349     m_widget = gtk_notebook_new();
 350
 351     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 352
 353     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 354       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 355
 356     m_parent->DoAddChild( this );
 357
 358     if (m_windowStyle & wxNB_RIGHT)
 359         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
 360     if (m_windowStyle & wxNB_LEFT)
 361         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
 362     if (m_windowStyle & wxNB_BOTTOM)
 363         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
 364
 365     gtk_signal_connect( GTK_OBJECT(m_widget), "key_press_event",
 366       GTK_SIGNAL_FUNC(gtk_notebook_key_press_callback), (gpointer)this );
 367
 368     PostCreation();
 369
 370     SetFont( parent->GetFont() );
 371
 372     gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
 373                             GTK_SIGNAL_FUNC(gtk_notebook_realized_callback), (gpointer) this );
 374
 375     Show( TRUE );
 376
 377     return TRUE;
 378 }
 379
 380 int wxNotebook::GetSelection() const
 381 {
 382     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 383
 384     if ( m_selection == -1 )
 385     {
 386         GList *nb_pages = GTK_NOTEBOOK(m_widget)->children;
 387
 388         if (g_list_length(nb_pages) != 0)
 389         {
 390             GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 391
 392             gpointer cur = notebook->cur_page;
 393             if ( cur != NULL )
 394             {
 395                 wxConstCast(this, wxNotebook)->m_selection =
 396                     g_list_index( nb_pages, cur );
 397             }
 398         }
 399     }
 400
 401     return m_selection;
 402 }
 403
 404 wxString wxNotebook::GetPageText( size_t page ) const
 405 {
 406     wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid notebook") );
 407
 408     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 409     if (nb_page)
 410         return nb_page->m_text;
 411     else
 412         return wxT("");
 413 }
 414
 415 int wxNotebook::GetPageImage( size_t page ) const
 416 {
 417     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 418
 419     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 420     if (nb_page)
 421         return nb_page->m_image;
 422     else
 423         return -1;
 424 }
 425
 426 wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const
 427 {
 428     wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") );
 429
 430     wxCHECK_MSG( page < (int)m_pagesData.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") );
 431
 432     return m_pagesData.Item(page)->GetData();
 433 }
 434
 435 int wxNotebook::SetSelection( size_t page )
 436 {
 437     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 438
 439     wxCHECK_MSG( page < m_pagesData.GetCount(), -1, wxT("invalid notebook index") );
 440
 441     int selOld = GetSelection();
 442
 443     // cache the selection
 444     m_selection = page;
 445     gtk_notebook_set_page( GTK_NOTEBOOK(m_widget), page );
 446
 447     wxNotebookPage *client = GetPage(page);
 448     if ( client )
 449         client->SetFocus();
 450
 451     return selOld;
 452 }
 453
 454 bool wxNotebook::SetPageText( size_t page, const wxString &text )
 455 {
 456     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 457
 458     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 459
 460     wxCHECK_MSG( nb_page, FALSE, wxT("SetPageText: invalid page index") );
 461
 462     nb_page->m_text = text;
 463
 464     gtk_label_set( nb_page->m_label, wxGTK_CONV( nb_page->m_text ) );
 465
 466     return TRUE;
 467 }
 468
 469 bool wxNotebook::SetPageImage( size_t page, int image )
 470 {
 471     /* HvdH 28-12-98: now it works, but it's a bit of a kludge */
 472
 473     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 474
 475     if (!nb_page) return FALSE;
 476
 477     /* Optimization posibility: return immediately if image unchanged.
 478      * Not enabled because it may break existing (stupid) code that
 479      * manipulates the imagelist to cycle images */
 480
 481     /* if (image == nb_page->m_image) return TRUE; */
 482
 483     /* For different cases:
 484        1) no image -> no image
 485        2) image -> no image
 486        3) no image -> image
 487        4) image -> image */
 488
 489     if (image == -1 && nb_page->m_image == -1)
 490         return TRUE; /* Case 1): Nothing to do. */
 491
 492     GtkWidget *pixmapwid = (GtkWidget*) NULL;
 493
 494     if (nb_page->m_image != -1)
 495     {
 496         /* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */
 497
 498         GList *child = gtk_container_children(GTK_CONTAINER(nb_page->m_box));
 499         while (child)
 500         {
 501             if (GTK_IS_PIXMAP(child->data))
 502             {
 503                 pixmapwid = GTK_WIDGET(child->data);
 504                 break;
 505             }
 506             child = child->next;
 507         }
 508
 509         /* We should have the pixmap widget now */
 510         wxASSERT(pixmapwid != NULL);
 511
 512         if (image == -1)
 513         {
 514             /* If there's no new widget, just remove the old from the box */
 515             gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid);
 516             nb_page->m_image = -1;
 517
 518             return TRUE; /* Case 2) */
 519         }
 520     }
 521
 522     /* Only cases 3) and 4) left */
 523     wxASSERT( m_imageList != NULL ); /* Just in case */
 524
 525     /* Construct the new pixmap */
 526     const wxBitmap *bmp = m_imageList->GetBitmap(image);
 527     GdkPixmap *pixmap = bmp->GetPixmap();
 528     GdkBitmap *mask = (GdkBitmap*) NULL;
 529     if ( bmp->GetMask() )
 530     {
 531         mask = bmp->GetMask()->GetBitmap();
 532     }
 533
 534     if (pixmapwid == NULL)
 535     {
 536         /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */
 537         pixmapwid = gtk_pixmap_new (pixmap, mask );
 538
 539         /* CHECKME: Are these pack flags okay? */
 540         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 541         gtk_widget_show(pixmapwid);
 542     }
 543     else
 544     {
 545         /* Case 4) Simply replace the pixmap */
 546         gtk_pixmap_set(GTK_PIXMAP(pixmapwid), pixmap, mask);
 547     }
 548
 549     nb_page->m_image = image;
 550
 551     return TRUE;
 552 }
 553
 554 void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) )
 555 {
 556     wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
 557 }
 558
 559 void wxNotebook::SetPadding( const wxSize &padding )
 560 {
 561     wxCHECK_RET( m_widget != NULL, wxT("invalid notebook") );
 562
 563     m_padding = padding.GetWidth();
 564
 565     int i;
 566     for (i=0; i<int(GetPageCount()); i++)
 567     {
 568         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 569         wxASSERT(nb_page != NULL);
 570
 571         if (nb_page->m_image != -1)
 572         {
 573             // gtk_box_set_child_packing sets padding on BOTH sides
 574             // icon provides left padding, label provides center and right
 575             int image = nb_page->m_image;
 576             SetPageImage(i,-1);
 577             SetPageImage(i,image);
 578         }
 579         wxASSERT(nb_page->m_label);
 580         gtk_box_set_child_packing(GTK_BOX(nb_page->m_box),
 581                                   GTK_WIDGET(nb_page->m_label),
 582                                   FALSE, FALSE, m_padding, GTK_PACK_END);
 583     }
 584 }
 585
 586 void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
 587 {
 588     wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
 589 }
 590
 591 bool wxNotebook::DeleteAllPages()
 592 {
 593     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 594
 595     while (m_pagesData.GetCount() > 0)
 596         DeletePage( m_pagesData.GetCount()-1 );
 597
 598     wxASSERT_MSG( GetPageCount() == 0, _T("all pages must have been deleted") );
 599
 600     return wxNotebookBase::DeleteAllPages();
 601 }
 602
 603 bool wxNotebook::DeletePage( size_t page )
 604 {
 605     if ( m_selection == (int)m_pagesData.GetCount() - 1 )
 606     {
 607         // the index will become invalid after the page is deleted
 608         m_selection = -1;
 609     }
 610
 611     // it will call our DoRemovePage() to do the real work
 612     return wxNotebookBase::DeletePage(page);
 613 }
 614
 615 wxNotebookPage *wxNotebook::DoRemovePage( size_t page )
 616 {
 617     wxNotebookPage *client = wxNotebookBase::DoRemovePage(page);
 618     if ( !client )
 619         return NULL;
 620
 621     gtk_widget_ref( client->m_widget );
 622     gtk_widget_unrealize( client->m_widget );
 623     gtk_widget_unparent( client->m_widget );
 624
 625     // gtk_notebook_remove_page() sends "switch_page" signal with some strange
 626     // new page index (when deleting selected page 0, new page is 1 although,
 627     // clearly, the selection should stay 0), so suppress this
 628     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 629       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 630
 631     gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
 632
 633     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 634       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 635
 636     wxGtkNotebookPage* p = GetNotebookPage(page);
 637     m_pagesData.DeleteObject(p);
 638     delete p;
 639
 640     return client;
 641 }
 642
 643 bool wxNotebook::InsertPage( size_t position,
 644                              wxNotebookPage* win,
 645                              const wxString& text,
 646                              bool select,
 647                              int imageId )
 648 {
 649     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 650
 651     wxCHECK_MSG( win->GetParent() == this, FALSE,
 652                wxT("Can't add a page whose parent is not the notebook!") );
 653
 654     wxCHECK_MSG( position <= GetPageCount(), FALSE,
 655                  _T("invalid page index in wxNotebookPage::InsertPage()") );
 656
 657     // Hack alert part II! See above in InsertChildInNotebook
 658     // callback why this has to be done.
 659     win->m_widget->parent = NULL;
 660
 661     // don't receive switch page during addition
 662     gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
 663       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
 664
 665     if (m_themeEnabled)
 666         win->SetThemeEnabled(TRUE);
 667
 668     GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 669
 670     wxGtkNotebookPage *nb_page = new wxGtkNotebookPage();
 671
 672     if ( position == GetPageCount() )
 673         m_pagesData.Append( nb_page );
 674     else
 675         m_pagesData.Insert( m_pagesData.Item( position ), nb_page );
 676
 677     m_pages.Insert(win, position);
 678
 679     nb_page->m_box = gtk_hbox_new( FALSE, 1 );
 680     gtk_container_border_width( GTK_CONTAINER(nb_page->m_box), 2 );
 681
 682     gtk_signal_connect( GTK_OBJECT(win->m_widget), "size_allocate",
 683       GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)win );
 684
 685 #ifndef __VMS
 686    // On VMS position is unsigned and thus always positive
 687    if (position < 0)
 688         gtk_notebook_append_page( notebook, win->m_widget, nb_page->m_box );
 689     else
 690 #endif
 691      gtk_notebook_insert_page( notebook, win->m_widget, nb_page->m_box, position );
 692
 693     nb_page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;
 694
 695     /* set the label image */
 696     nb_page->m_image = imageId;
 697
 698     if (imageId != -1)
 699     {
 700         wxASSERT( m_imageList != NULL );
 701
 702         const wxBitmap *bmp = m_imageList->GetBitmap(imageId);
 703         GdkPixmap *pixmap = bmp->GetPixmap();
 704         GdkBitmap *mask = (GdkBitmap*) NULL;
 705         if ( bmp->GetMask() )
 706         {
 707             mask = bmp->GetMask()->GetBitmap();
 708         }
 709
 710         GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );
 711
 712         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 713
 714         gtk_widget_show(pixmapwid);
 715     }
 716
 717     /* set the label text */
 718
 719     nb_page->m_text = text;
 720     if (nb_page->m_text.IsEmpty()) nb_page->m_text = wxT("");
 721
 722     nb_page->m_label = GTK_LABEL( gtk_label_new(wxGTK_CONV(nb_page->m_text)) );
 723         nb_page->SetFont(GetFont());
 724     gtk_box_pack_end( GTK_BOX(nb_page->m_box), GTK_WIDGET(nb_page->m_label), FALSE, FALSE, m_padding );
 725
 726     /* show the label */
 727     gtk_widget_show( GTK_WIDGET(nb_page->m_label) );
 728     if (select && (m_pagesData.GetCount() > 1))
 729     {
 730 #ifndef __VMS
 731    // On VMS position is unsigned and thus always positive
 732         if (position < 0)
 733             SetSelection( GetPageCount()-1 );
 734         else
 735 #endif
 736             SetSelection( position );
 737     }
 738
 739     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
 740       GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
 741
 742     return TRUE;
 743 }
 744
 745 // helper for HitTest(): check if the point lies inside the given widget which
 746 // is the child of the notebook whose position and border size are passed as
 747 // parameters
 748 static bool
 749 IsPointInsideWidget(const wxPoint& pt, GtkWidget *w,
 750                     gint x, gint y, gint border = 0)
 751 {
 752     return
 753         (pt.x >= w->allocation.x - x - border) &&
 754         (pt.x <= w->allocation.x - x + border + w->allocation.width) &&
 755         (pt.y >= w->allocation.y - y - border) &&
 756         (pt.y <= w->allocation.y - y + border + w->allocation.height);
 757 }
 758
 759 int wxNotebook::HitTest(const wxPoint& pt, long *flags) const
 760 {
 761     const gint x = m_widget->allocation.x;
 762     const gint y = m_widget->allocation.y;
 763
 764     const size_t count = GetPageCount();
 765     for ( size_t i = 0; i < count; i++ )
 766     {
 767         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 768         GtkWidget *box = nb_page->m_box;
 769
 770         // VZ: don't know how to find the border width in GTK+ 1.2
 771 #ifdef __WXGTK20__
 772         const gint border = gtk_container_get_border_width(GTK_CONTAINER(box));
 773 #else // !GTK+ 2.x
 774         const gint border = 0;
 775 #endif
 776         if ( IsPointInsideWidget(pt, box, x, y, border) )
 777         {
 778             // ok, we're inside this tab -- now find out where, if needed
 779             if ( flags )
 780             {
 781                 GtkWidget *pixmap = NULL;
 782
 783                 GList *children = gtk_container_children(GTK_CONTAINER(box));
 784                 for ( GList *child = children; child; child = child->next )
 785                 {
 786                     if ( GTK_IS_PIXMAP(child->data) )
 787                     {
 788                         pixmap = GTK_WIDGET(child->data);
 789                         break;
 790                     }
 791                 }
 792
 793                 if ( children )
 794                     g_list_free(children);
 795
 796                 if ( pixmap && IsPointInsideWidget(pt, pixmap, x, y) )
 797                 {
 798                     *flags = wxNB_HITTEST_ONICON;
 799                 }
 800                 else if ( IsPointInsideWidget(pt, GTK_WIDGET(nb_page->m_label), x, y) )
 801                 {
 802                     *flags = wxNB_HITTEST_ONLABEL;
 803                 }
 804                 else
 805                 {
 806                     *flags = wxNB_HITTEST_ONITEM;
 807                 }
 808             }
 809
 810             return i;
 811         }
 812     }
 813
 814     if ( flags )
 815         *flags = wxNB_HITTEST_NOWHERE;
 816
 817     return wxNOT_FOUND;
 818 }
 819
 820 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 821 {
 822     if (event.IsWindowChange())
 823         AdvanceSelection( event.GetDirection() );
 824     else
 825         event.Skip();
 826 }
 827
 828 #if wxUSE_CONSTRAINTS
 829
 830 // override these 2 functions to do nothing: everything is done in OnSize
 831 void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
 832 {
 833     // don't set the sizes of the pages - their correct size is not yet known
 834     wxControl::SetConstraintSizes(FALSE);
 835 }
 836
 837 bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
 838 {
 839     return TRUE;
 840 }
 841
 842 #endif
 843
 844 void wxNotebook::ApplyWidgetStyle()
 845 {
 846     // TODO, font for labels etc
 847
 848     SetWidgetStyle();
 849     gtk_widget_set_style( m_widget, m_widgetStyle );
 850 }
 851
 852 bool wxNotebook::IsOwnGtkWindow( GdkWindow *window )
 853 {
 854     return ((m_widget->window == window) ||
 855             (NOTEBOOK_PANEL(m_widget) == window));
 856 }
 857
 858 bool  wxNotebook::SetFont(const wxFont& font)
 859 {
 860         bool rc=wxNotebookBase::SetFont(font);
 861
 862         if (rc)
 863         {
 864                 size_t i;
 865                 for (i=0 ; i < m_pagesData.GetCount() ; i++)
 866                         GetNotebookPage(i)->SetFont(font);
 867         }
 868         return rc;
 869 }
 870
 871 //-----------------------------------------------------------------------------
 872 // wxNotebookEvent
 873 //-----------------------------------------------------------------------------
 874
 875 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 876
 877 #endif