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