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 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #include "wx/notebook.h"
  14
  15 #if wxUSE_NOTEBOOK
  16
  17 #include "wx/panel.h"
  18 #include "wx/utils.h"
  19 #include "wx/imaglist.h"
  20 #include "wx/intl.h"
  21 #include "wx/log.h"
  22 #include "wx/bitmap.h"
  23 #include "wx/fontutil.h"
  24
  25 // FIXME: Use GtkImage instead of GtkPixmap. Don't use gtk_container_border_width
  26 #include <gtk/gtkversion.h>
  27 #ifdef GTK_DISABLE_DEPRECATED
  28 #undef GTK_DISABLE_DEPRECATED
  29 #endif
  30
  31 #include "wx/gtk/private.h"
  32 #include "wx/gtk/win_gtk.h"
  33
  34 #include <gdk/gdkkeysyms.h>
  35
  36 #include "wx/msgdlg.h"
  37
  38 // ----------------------------------------------------------------------------
  39 // events
  40 // ----------------------------------------------------------------------------
  41
  42 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
  43 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
  44
  45 //-----------------------------------------------------------------------------
  46 // idle system
  47 //-----------------------------------------------------------------------------
  48
  49 extern void wxapp_install_idle_handler();
  50 extern bool g_isIdle;
  51
  52 //-----------------------------------------------------------------------------
  53 // data
  54 //-----------------------------------------------------------------------------
  55
  56 extern bool g_blockEventsOnDrag;
  57
  58 //-----------------------------------------------------------------------------
  59 // wxGtkNotebookPage
  60 //-----------------------------------------------------------------------------
  61
  62 // VZ: this is rather ugly as we keep the pages themselves in an array (it
  63 //     allows us to have quite a few functions implemented in the base class)
  64 //     but the page data is kept in a separate list, so we must maintain them
  65 //     in sync manually... of course, the list had been there before the base
  66 //     class which explains it but it still would be nice to do something
  67 //     about this one day
  68
  69 class wxGtkNotebookPage: public wxObject
  70 {
  71 public:
  72     wxGtkNotebookPage()
  73     {
  74         m_image = -1;
  75         m_page = (GtkNotebookPage *) NULL;
  76         m_box = (GtkWidget *) NULL;
  77     }
  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 #include "wx/listimpl.cpp"
  88 WX_DEFINE_LIST(wxGtkNotebookPagesList)
  89
  90
  91 //-----------------------------------------------------------------------------
  92 // "switch_page"
  93 //-----------------------------------------------------------------------------
  94
  95 extern "C" {
  96 static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
  97                                               GtkNotebookPage *WXUNUSED(page),
  98                                               gint page,
  99                                               wxNotebook *notebook )
 100 {
 101     // are you trying to call SetSelection() from a notebook event handler?
 102     // you shouldn't!
 103     wxCHECK_RET( !notebook->m_inSwitchPage,
 104                  _T("gtk_notebook_page_change_callback reentered") );
 105
 106     notebook->m_inSwitchPage = TRUE;
 107     if (g_isIdle)
 108         wxapp_install_idle_handler();
 109
 110     int old = notebook->GetSelection();
 111
 112     wxNotebookEvent eventChanging( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING,
 113                                    notebook->GetId(), page, old );
 114     eventChanging.SetEventObject( notebook );
 115
 116     if ( (notebook->GetEventHandler()->ProcessEvent(eventChanging)) &&
 117          !eventChanging.IsAllowed() )
 118     {
 119         /* program doesn't allow the page change */
 120         g_signal_stop_emission_by_name (notebook->m_widget,
 121                                         "switch_page");
 122     }
 123     else // change allowed
 124     {
 125         // make wxNotebook::GetSelection() return the correct (i.e. consistent
 126         // with wxNotebookEvent::GetSelection()) value even though the page is
 127         // not really changed in GTK+
 128         notebook->m_selection = page;
 129
 130         wxNotebookEvent eventChanged( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED,
 131                                       notebook->GetId(), page, old );
 132         eventChanged.SetEventObject( notebook );
 133         notebook->GetEventHandler()->ProcessEvent( eventChanged );
 134     }
 135
 136     notebook->m_inSwitchPage = FALSE;
 137 }
 138 }
 139
 140 //-----------------------------------------------------------------------------
 141 // "size_allocate"
 142 //-----------------------------------------------------------------------------
 143
 144 extern "C" {
 145 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
 146 {
 147     if (g_isIdle)
 148         wxapp_install_idle_handler();
 149
 150     if ((win->m_x == alloc->x) &&
 151         (win->m_y == alloc->y) &&
 152         (win->m_width == alloc->width) &&
 153         (win->m_height == alloc->height))
 154     {
 155         return;
 156     }
 157
 158     win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
 159
 160     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call allocate
 161        here in order to make repositioning after resizing to take effect. */
 162     if ((gtk_major_version == 1) &&
 163         (gtk_minor_version == 2) &&
 164         (gtk_micro_version < 6) &&
 165         (win->m_wxwindow) &&
 166         (GTK_WIDGET_REALIZED(win->m_wxwindow)))
 167     {
 168         gtk_widget_size_allocate( win->m_wxwindow, alloc );
 169     }
 170 }
 171 }
 172
 173 //-----------------------------------------------------------------------------
 174 // "realize" from m_widget
 175 //-----------------------------------------------------------------------------
 176
 177 extern "C" {
 178 static gint
 179 gtk_notebook_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win )
 180 {
 181     if (g_isIdle)
 182         wxapp_install_idle_handler();
 183
 184     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call a queue_resize
 185        here in order to make repositioning before showing to take effect. */
 186     gtk_widget_queue_resize( win->m_widget );
 187
 188     return FALSE;
 189 }
 190 }
 191
 192 //-----------------------------------------------------------------------------
 193 // "key_press_event"
 194 //-----------------------------------------------------------------------------
 195
 196 extern "C" {
 197 static gint gtk_notebook_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxNotebook *notebook )
 198 {
 199     if (g_isIdle)
 200         wxapp_install_idle_handler();
 201
 202     if (!notebook->m_hasVMT) return FALSE;
 203     if (g_blockEventsOnDrag) return FALSE;
 204
 205     /* win is a control: tab can be propagated up */
 206     if ((gdk_event->keyval == GDK_Left) || (gdk_event->keyval == GDK_Right))
 207     {
 208         int page;
 209         int nMax = notebook->GetPageCount();
 210         if ( nMax-- ) // decrement it to get the last valid index
 211         {
 212             int nSel = notebook->GetSelection();
 213
 214             // change selection wrapping if it becomes invalid
 215             page = (gdk_event->keyval != GDK_Left) ? nSel == nMax ? 0
 216                                        : nSel + 1
 217                         : nSel == 0 ? nMax
 218                                     : nSel - 1;
 219         }
 220         else // notebook is empty, no next page
 221         {
 222             return FALSE;
 223         }
 224
 225         // m_selection = page;
 226         gtk_notebook_set_current_page( GTK_NOTEBOOK(widget), page );
 227
 228         g_signal_stop_emission_by_name (widget, "key_press_event");
 229         return TRUE;
 230     }
 231
 232     /* win is a control: tab can be propagated up */
 233     if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
 234     {
 235         int sel = notebook->GetSelection();
 236         if (sel == -1)
 237             return TRUE;
 238         wxGtkNotebookPage *nb_page = notebook->GetNotebookPage(sel);
 239         wxCHECK_MSG( nb_page, FALSE, _T("invalid selection in wxNotebook") );
 240
 241         wxNavigationKeyEvent event;
 242         event.SetEventObject( notebook );
 243         /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
 244         event.SetDirection( (gdk_event->keyval == GDK_Tab) );
 245         /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
 246         event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) ||
 247                                (gdk_event->keyval == GDK_Left) || (gdk_event->keyval == GDK_Right) );
 248         event.SetCurrentFocus( notebook );
 249
 250         wxNotebookPage *client = notebook->GetPage(sel);
 251         if ( !client->GetEventHandler()->ProcessEvent( event ) )
 252         {
 253              client->SetFocus();
 254         }
 255
 256         g_signal_stop_emission_by_name (widget, "key_press_event");
 257         return TRUE;
 258     }
 259
 260     return FALSE;
 261 }
 262 }
 263
 264 //-----------------------------------------------------------------------------
 265 // InsertChild callback for wxNotebook
 266 //-----------------------------------------------------------------------------
 267
 268 static void wxInsertChildInNotebook( wxNotebook* parent, wxWindow* child )
 269 {
 270     // Hack Alert! (Part I): This sets the notebook as the parent of the child
 271     // widget, and takes care of some details such as updating the state and
 272     // style of the child to reflect its new location.  We do this early
 273     // because without it GetBestSize (which is used to set the initial size
 274     // of controls if an explicit size is not given) will often report
 275     // incorrect sizes since the widget's style context is not fully known.
 276     // See bug #901694 for details
 277     // (http://sourceforge.net/tracker/?func=detail&aid=901694&group_id=9863&atid=109863)
 278     gtk_widget_set_parent(child->m_widget, parent->m_widget);
 279
 280     // NOTE: This should be considered a temporary workaround until we can
 281     // work out the details and implement delaying the setting of the initial
 282     // size of widgets until the size is really needed.
 283 }
 284
 285 //-----------------------------------------------------------------------------
 286 // wxNotebook
 287 //-----------------------------------------------------------------------------
 288
 289 IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)
 290
 291 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
 292     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
 293 END_EVENT_TABLE()
 294
 295 void wxNotebook::Init()
 296 {
 297     m_padding = 0;
 298     m_inSwitchPage = FALSE;
 299
 300     m_imageList = (wxImageList *) NULL;
 301     m_selection = -1;
 302     m_themeEnabled = TRUE;
 303 }
 304
 305 wxNotebook::wxNotebook()
 306 {
 307     Init();
 308 }
 309
 310 wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id,
 311       const wxPoint& pos, const wxSize& size,
 312       long style, const wxString& name )
 313 {
 314     Init();
 315     Create( parent, id, pos, size, style, name );
 316 }
 317
 318 wxNotebook::~wxNotebook()
 319 {
 320     DeleteAllPages();
 321 }
 322
 323 bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
 324                         const wxPoint& pos, const wxSize& size,
 325                         long style, const wxString& name )
 326 {
 327     m_needParent = TRUE;
 328     m_acceptsFocus = TRUE;
 329     m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook;
 330
 331     if (!PreCreation( parent, pos, size ) ||
 332         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 333     {
 334         wxFAIL_MSG( wxT("wxNoteBook creation failed") );
 335         return FALSE;
 336     }
 337
 338
 339     m_widget = gtk_notebook_new();
 340
 341     gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
 342
 343     g_signal_connect (m_widget, "switch_page",
 344                       G_CALLBACK (gtk_notebook_page_change_callback), this);
 345
 346     m_parent->DoAddChild( this );
 347
 348     if (m_windowStyle & wxBK_RIGHT)
 349         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
 350     if (m_windowStyle & wxBK_LEFT)
 351         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
 352     if (m_windowStyle & wxBK_BOTTOM)
 353         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
 354
 355     g_signal_connect (m_widget, "key_press_event",
 356                       G_CALLBACK (gtk_notebook_key_press_callback), this);
 357
 358     PostCreation(size);
 359
 360     g_signal_connect (m_widget, "realize",
 361                       G_CALLBACK (gtk_notebook_realized_callback), this);
 362
 363     return TRUE;
 364 }
 365
 366 int wxNotebook::GetSelection() const
 367 {
 368     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 369
 370     if ( m_selection == -1 )
 371     {
 372         GList *nb_pages = GTK_NOTEBOOK(m_widget)->children;
 373
 374         if (g_list_length(nb_pages) != 0)
 375         {
 376             GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 377
 378             gpointer cur = notebook->cur_page;
 379             if ( cur != NULL )
 380             {
 381                 wxConstCast(this, wxNotebook)->m_selection =
 382                     g_list_index( nb_pages, cur );
 383             }
 384         }
 385     }
 386
 387     return m_selection;
 388 }
 389
 390 wxString wxNotebook::GetPageText( size_t page ) const
 391 {
 392     wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid notebook") );
 393
 394     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 395     if (nb_page)
 396         return nb_page->m_text;
 397     else
 398         return wxT("");
 399 }
 400
 401 int wxNotebook::GetPageImage( size_t page ) const
 402 {
 403     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 404
 405     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 406     if (nb_page)
 407         return nb_page->m_image;
 408     else
 409         return -1;
 410 }
 411
 412 wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const
 413 {
 414     wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") );
 415
 416     wxCHECK_MSG( page < (int)m_pagesData.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") );
 417
 418     return m_pagesData.Item(page)->GetData();
 419 }
 420
 421 int wxNotebook::SetSelection( size_t page )
 422 {
 423     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 424
 425     wxCHECK_MSG( page < m_pagesData.GetCount(), -1, wxT("invalid notebook index") );
 426
 427     int selOld = GetSelection();
 428
 429     // cache the selection
 430     m_selection = page;
 431     gtk_notebook_set_current_page( GTK_NOTEBOOK(m_widget), page );
 432
 433     wxNotebookPage *client = GetPage(page);
 434     if ( client )
 435         client->SetFocus();
 436
 437     return selOld;
 438 }
 439
 440 bool wxNotebook::SetPageText( size_t page, const wxString &text )
 441 {
 442     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 443
 444     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 445
 446     wxCHECK_MSG( nb_page, FALSE, wxT("SetPageText: invalid page index") );
 447
 448     nb_page->m_text = text;
 449
 450     gtk_label_set_text( nb_page->m_label, wxGTK_CONV( nb_page->m_text ) );
 451
 452     return TRUE;
 453 }
 454
 455 bool wxNotebook::SetPageImage( size_t page, int image )
 456 {
 457     /* HvdH 28-12-98: now it works, but it's a bit of a kludge */
 458
 459     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 460
 461     if (!nb_page) return FALSE;
 462
 463     /* Optimization posibility: return immediately if image unchanged.
 464      * Not enabled because it may break existing (stupid) code that
 465      * manipulates the imagelist to cycle images */
 466
 467     /* if (image == nb_page->m_image) return TRUE; */
 468
 469     /* For different cases:
 470        1) no image -> no image
 471        2) image -> no image
 472        3) no image -> image
 473        4) image -> image */
 474
 475     if (image == -1 && nb_page->m_image == -1)
 476         return TRUE; /* Case 1): Nothing to do. */
 477
 478     GtkWidget *pixmapwid = (GtkWidget*) NULL;
 479
 480     if (nb_page->m_image != -1)
 481     {
 482         /* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */
 483
 484         GList *child = gtk_container_get_children(GTK_CONTAINER(nb_page->m_box));
 485         while (child)
 486         {
 487             if (GTK_IS_PIXMAP(child->data))
 488             {
 489                 pixmapwid = GTK_WIDGET(child->data);
 490                 break;
 491             }
 492             child = child->next;
 493         }
 494
 495         /* We should have the pixmap widget now */
 496         wxASSERT(pixmapwid != NULL);
 497
 498         if (image == -1)
 499         {
 500             /* If there's no new widget, just remove the old from the box */
 501             gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid);
 502             nb_page->m_image = -1;
 503
 504             return TRUE; /* Case 2) */
 505         }
 506     }
 507
 508     /* Only cases 3) and 4) left */
 509     wxASSERT( m_imageList != NULL ); /* Just in case */
 510
 511     /* Construct the new pixmap */
 512     const wxBitmap *bmp = m_imageList->GetBitmapPtr(image);
 513     GdkPixmap *pixmap = bmp->GetPixmap();
 514     GdkBitmap *mask = (GdkBitmap*) NULL;
 515     if ( bmp->GetMask() )
 516     {
 517         mask = bmp->GetMask()->GetBitmap();
 518     }
 519
 520     if (pixmapwid == NULL)
 521     {
 522         /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */
 523         pixmapwid = gtk_pixmap_new (pixmap, mask );
 524
 525         /* CHECKME: Are these pack flags okay? */
 526         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 527         gtk_widget_show(pixmapwid);
 528     }
 529     else
 530     {
 531         /* Case 4) Simply replace the pixmap */
 532         gtk_pixmap_set(GTK_PIXMAP(pixmapwid), pixmap, mask);
 533     }
 534
 535     nb_page->m_image = image;
 536
 537     return TRUE;
 538 }
 539
 540 void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) )
 541 {
 542     wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
 543 }
 544
 545 void wxNotebook::SetPadding( const wxSize &padding )
 546 {
 547     wxCHECK_RET( m_widget != NULL, wxT("invalid notebook") );
 548
 549     m_padding = padding.GetWidth();
 550
 551     int i;
 552     for (i=0; i<int(GetPageCount()); i++)
 553     {
 554         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 555         wxASSERT(nb_page != NULL);
 556
 557         if (nb_page->m_image != -1)
 558         {
 559             // gtk_box_set_child_packing sets padding on BOTH sides
 560             // icon provides left padding, label provides center and right
 561             int image = nb_page->m_image;
 562             SetPageImage(i,-1);
 563             SetPageImage(i,image);
 564         }
 565         wxASSERT(nb_page->m_label);
 566         gtk_box_set_child_packing(GTK_BOX(nb_page->m_box),
 567                                   GTK_WIDGET(nb_page->m_label),
 568                                   FALSE, FALSE, m_padding, GTK_PACK_END);
 569     }
 570 }
 571
 572 void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
 573 {
 574     wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
 575 }
 576
 577 bool wxNotebook::DeleteAllPages()
 578 {
 579     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 580
 581     while (m_pagesData.GetCount() > 0)
 582         DeletePage( m_pagesData.GetCount()-1 );
 583
 584     wxASSERT_MSG( GetPageCount() == 0, _T("all pages must have been deleted") );
 585
 586     InvalidateBestSize();
 587     return wxNotebookBase::DeleteAllPages();
 588 }
 589
 590 wxNotebookPage *wxNotebook::DoRemovePage( size_t page )
 591 {
 592     if ( m_selection != -1 && (size_t)m_selection >= page )
 593     {
 594         // the index will become invalid after the page is deleted
 595         m_selection = -1;
 596     }
 597
 598     wxNotebookPage *client = wxNotebookBase::DoRemovePage(page);
 599     if ( !client )
 600         return NULL;
 601
 602     gtk_widget_ref( client->m_widget );
 603     gtk_widget_unrealize( client->m_widget );
 604     gtk_widget_unparent( client->m_widget );
 605
 606     // gtk_notebook_remove_page() sends "switch_page" signal with some strange
 607     // new page index (when deleting selected page 0, new page is 1 although,
 608     // clearly, the selection should stay 0), so suppress this
 609     g_signal_handlers_disconnect_by_func (m_widget,
 610                                           (gpointer) gtk_notebook_page_change_callback,
 611                                           this);
 612
 613     gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
 614
 615     g_signal_connect (m_widget, "switch_page",
 616                       G_CALLBACK (gtk_notebook_page_change_callback), this);
 617
 618     wxGtkNotebookPage* p = GetNotebookPage(page);
 619     m_pagesData.DeleteObject(p);
 620     delete p;
 621
 622     return client;
 623 }
 624
 625 bool wxNotebook::InsertPage( size_t position,
 626                              wxNotebookPage* win,
 627                              const wxString& text,
 628                              bool select,
 629                              int imageId )
 630 {
 631     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 632
 633     wxCHECK_MSG( win->GetParent() == this, FALSE,
 634                wxT("Can't add a page whose parent is not the notebook!") );
 635
 636     wxCHECK_MSG( position <= GetPageCount(), FALSE,
 637                  _T("invalid page index in wxNotebookPage::InsertPage()") );
 638
 639     // Hack Alert! (Part II): See above in wxInsertChildInNotebook callback
 640     // why this has to be done.  NOTE: using gtk_widget_unparent here does not
 641     // work as it seems to undo too much and will cause errors in the
 642     // gtk_notebook_insert_page below, so instead just clear the parent by
 643     // hand here.
 644     win->m_widget->parent = NULL;
 645
 646     // don't receive switch page during addition
 647     g_signal_handlers_disconnect_by_func (m_widget,
 648                                           (gpointer) gtk_notebook_page_change_callback,
 649                                           this);
 650
 651     if (m_themeEnabled)
 652         win->SetThemeEnabled(TRUE);
 653
 654     GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 655
 656     wxGtkNotebookPage *nb_page = new wxGtkNotebookPage();
 657
 658     if ( position == GetPageCount() )
 659         m_pagesData.Append( nb_page );
 660     else
 661         m_pagesData.Insert( position, nb_page );
 662
 663     m_pages.Insert(win, position);
 664
 665     nb_page->m_box = gtk_hbox_new( FALSE, 1 );
 666     gtk_container_border_width( GTK_CONTAINER(nb_page->m_box), 2 );
 667
 668     g_signal_connect (win->m_widget, "size_allocate",
 669                       G_CALLBACK (gtk_page_size_callback), win);
 670
 671     gtk_notebook_insert_page( notebook, win->m_widget, nb_page->m_box, position );
 672
 673     nb_page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;
 674
 675     /* set the label image */
 676     nb_page->m_image = imageId;
 677
 678     if (imageId != -1)
 679     {
 680         wxASSERT( m_imageList != NULL );
 681
 682         const wxBitmap *bmp = m_imageList->GetBitmapPtr(imageId);
 683         GdkPixmap *pixmap = bmp->GetPixmap();
 684         GdkBitmap *mask = (GdkBitmap*) NULL;
 685         if ( bmp->GetMask() )
 686         {
 687             mask = bmp->GetMask()->GetBitmap();
 688         }
 689
 690         GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );
 691
 692         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 693
 694         gtk_widget_show(pixmapwid);
 695     }
 696
 697     /* set the label text */
 698
 699     nb_page->m_text = text;
 700     if (nb_page->m_text.IsEmpty()) nb_page->m_text = wxT("");
 701
 702     nb_page->m_label = GTK_LABEL( gtk_label_new(wxGTK_CONV(nb_page->m_text)) );
 703     gtk_box_pack_end( GTK_BOX(nb_page->m_box), GTK_WIDGET(nb_page->m_label), FALSE, FALSE, m_padding );
 704
 705     /* apply current style */
 706     GtkRcStyle *style = CreateWidgetStyle();
 707     if ( style )
 708     {
 709         gtk_widget_modify_style(GTK_WIDGET(nb_page->m_label), style);
 710         gtk_rc_style_unref(style);
 711     }
 712
 713     /* show the label */
 714     gtk_widget_show( GTK_WIDGET(nb_page->m_label) );
 715     if (select && (m_pagesData.GetCount() > 1))
 716     {
 717       SetSelection( position );
 718     }
 719
 720     g_signal_connect (m_widget, "switch_page",
 721                       G_CALLBACK (gtk_notebook_page_change_callback), this);
 722
 723     InvalidateBestSize();
 724     return TRUE;
 725 }
 726
 727 // helper for HitTest(): check if the point lies inside the given widget which
 728 // is the child of the notebook whose position and border size are passed as
 729 // parameters
 730 static bool
 731 IsPointInsideWidget(const wxPoint& pt, GtkWidget *w,
 732                     gint x, gint y, gint border = 0)
 733 {
 734     return
 735         (pt.x >= w->allocation.x - x - border) &&
 736         (pt.x <= w->allocation.x - x + border + w->allocation.width) &&
 737         (pt.y >= w->allocation.y - y - border) &&
 738         (pt.y <= w->allocation.y - y + border + w->allocation.height);
 739 }
 740
 741 int wxNotebook::HitTest(const wxPoint& pt, long *flags) const
 742 {
 743     const gint x = m_widget->allocation.x;
 744     const gint y = m_widget->allocation.y;
 745
 746     const size_t count = GetPageCount();
 747     size_t i = 0;
 748
 749     GtkNotebook * notebook = GTK_NOTEBOOK(m_widget);
 750     if (gtk_notebook_get_scrollable(notebook));
 751         i = g_list_position( notebook->children, notebook->first_tab );
 752
 753     for ( ; i < count; i++ )
 754     {
 755         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 756         GtkWidget *box = nb_page->m_box;
 757
 758         const gint border = gtk_container_get_border_width(GTK_CONTAINER(box));
 759
 760         if ( IsPointInsideWidget(pt, box, x, y, border) )
 761         {
 762             // ok, we're inside this tab -- now find out where, if needed
 763             if ( flags )
 764             {
 765                 GtkWidget *pixmap = NULL;
 766
 767                 GList *children = gtk_container_get_children(GTK_CONTAINER(box));
 768                 for ( GList *child = children; child; child = child->next )
 769                 {
 770                     if ( GTK_IS_PIXMAP(child->data) )
 771                     {
 772                         pixmap = GTK_WIDGET(child->data);
 773                         break;
 774                     }
 775                 }
 776
 777                 if ( children )
 778                     g_list_free(children);
 779
 780                 if ( pixmap && IsPointInsideWidget(pt, pixmap, x, y) )
 781                 {
 782                     *flags = wxNB_HITTEST_ONICON;
 783                 }
 784                 else if ( IsPointInsideWidget(pt, GTK_WIDGET(nb_page->m_label), x, y) )
 785                 {
 786                     *flags = wxNB_HITTEST_ONLABEL;
 787                 }
 788                 else
 789                 {
 790                     *flags = wxNB_HITTEST_ONITEM;
 791                 }
 792             }
 793
 794             return i;
 795         }
 796     }
 797
 798     if ( flags )
 799         *flags = wxNB_HITTEST_NOWHERE;
 800
 801     return wxNOT_FOUND;
 802 }
 803
 804 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 805 {
 806     if (event.IsWindowChange())
 807         AdvanceSelection( event.GetDirection() );
 808     else
 809         event.Skip();
 810 }
 811
 812 #if wxUSE_CONSTRAINTS
 813
 814 // override these 2 functions to do nothing: everything is done in OnSize
 815 void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
 816 {
 817     // don't set the sizes of the pages - their correct size is not yet known
 818     wxControl::SetConstraintSizes(FALSE);
 819 }
 820
 821 bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
 822 {
 823     return TRUE;
 824 }
 825
 826 #endif
 827
 828 void wxNotebook::DoApplyWidgetStyle(GtkRcStyle *style)
 829 {
 830     gtk_widget_modify_style(m_widget, style);
 831     size_t cnt = m_pagesData.GetCount();
 832     for (size_t i = 0; i < cnt; i++)
 833         gtk_widget_modify_style(GTK_WIDGET(GetNotebookPage(i)->m_label), style);
 834 }
 835
 836 bool wxNotebook::IsOwnGtkWindow( GdkWindow *window )
 837 {
 838     return ((m_widget->window == window) ||
 839             GTK_NOTEBOOK(m_widget)->event_window == window);
 840 }
 841
 842 // static
 843 wxVisualAttributes
 844 wxNotebook::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 845 {
 846     return GetDefaultAttributesFromGTKWidget(gtk_notebook_new);
 847 }
 848
 849 //-----------------------------------------------------------------------------
 850 // wxNotebookEvent
 851 //-----------------------------------------------------------------------------
 852
 853 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 854
 855 #endif