src/gtk/notebook.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/notebook.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling, Vadim Zeitlin
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #if wxUSE_NOTEBOOK
  14
  15 #include "wx/notebook.h"
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/intl.h"
  19     #include "wx/log.h"
  20     #include "wx/utils.h"
  21     #include "wx/panel.h"
  22     #include "wx/msgdlg.h"
  23     #include "wx/bitmap.h"
  24 #endif
  25
  26 #include "wx/imaglist.h"
  27 #include "wx/fontutil.h"
  28
  29 // FIXME: Use GtkImage instead of GtkPixmap. Don't use gtk_container_border_width
  30 #include <gtk/gtkversion.h>
  31 #ifdef GTK_DISABLE_DEPRECATED
  32 #undef GTK_DISABLE_DEPRECATED
  33 #endif
  34
  35 #include "wx/gtk/private.h"
  36 #include "wx/gtk/win_gtk.h"
  37
  38 #include <gdk/gdkkeysyms.h>
  39
  40 // ----------------------------------------------------------------------------
  41 // events
  42 // ----------------------------------------------------------------------------
  43
  44 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED)
  45 DEFINE_EVENT_TYPE(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING)
  46
  47 //-----------------------------------------------------------------------------
  48 // data
  49 //-----------------------------------------------------------------------------
  50
  51 extern bool g_blockEventsOnDrag;
  52
  53 //-----------------------------------------------------------------------------
  54 // wxGtkNotebookPage
  55 //-----------------------------------------------------------------------------
  56
  57 // VZ: this is rather ugly as we keep the pages themselves in an array (it
  58 //     allows us to have quite a few functions implemented in the base class)
  59 //     but the page data is kept in a separate list, so we must maintain them
  60 //     in sync manually... of course, the list had been there before the base
  61 //     class which explains it but it still would be nice to do something
  62 //     about this one day
  63
  64 class wxGtkNotebookPage: public wxObject
  65 {
  66 public:
  67     wxGtkNotebookPage()
  68     {
  69         m_image = -1;
  70         m_page = (GtkNotebookPage *) NULL;
  71         m_box = (GtkWidget *) NULL;
  72     }
  73
  74     wxString           m_text;
  75     int                m_image;
  76     GtkNotebookPage   *m_page;
  77     GtkLabel          *m_label;
  78     GtkWidget         *m_box;     // in which the label and image are packed
  79 };
  80
  81
  82 #include "wx/listimpl.cpp"
  83 WX_DEFINE_LIST(wxGtkNotebookPagesList)
  84
  85
  86 //-----------------------------------------------------------------------------
  87 // "switch_page"
  88 //-----------------------------------------------------------------------------
  89
  90 extern "C" {
  91 static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
  92                                               GtkNotebookPage *WXUNUSED(page),
  93                                               guint page,
  94                                               wxNotebook *notebook )
  95 {
  96     // are you trying to call SetSelection() from a notebook event handler?
  97     // you shouldn't!
  98     wxCHECK_RET( !notebook->m_inSwitchPage,
  99                  _T("gtk_notebook_page_change_callback reentered") );
 100
 101     notebook->m_inSwitchPage = true;
 102     if (g_isIdle)
 103         wxapp_install_idle_handler();
 104
 105     int old = notebook->GetSelection();
 106
 107     wxNotebookEvent eventChanging( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING,
 108                                    notebook->GetId(), page, old );
 109     eventChanging.SetEventObject( notebook );
 110
 111     if ( (notebook->GetEventHandler()->ProcessEvent(eventChanging)) &&
 112          !eventChanging.IsAllowed() )
 113     {
 114         /* program doesn't allow the page change */
 115         g_signal_stop_emission_by_name (notebook->m_widget,
 116                                         "switch_page");
 117     }
 118     else // change allowed
 119     {
 120         // make wxNotebook::GetSelection() return the correct (i.e. consistent
 121         // with wxNotebookEvent::GetSelection()) value even though the page is
 122         // not really changed in GTK+
 123         notebook->m_selection = page;
 124
 125         wxNotebookEvent eventChanged( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED,
 126                                       notebook->GetId(), page, old );
 127         eventChanged.SetEventObject( notebook );
 128         notebook->GetEventHandler()->ProcessEvent( eventChanged );
 129     }
 130
 131     notebook->m_inSwitchPage = false;
 132 }
 133 }
 134
 135 //-----------------------------------------------------------------------------
 136 // "size_allocate"
 137 //-----------------------------------------------------------------------------
 138
 139 extern "C" {
 140 static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
 141 {
 142     if (g_isIdle)
 143         wxapp_install_idle_handler();
 144
 145     if ((win->m_x == alloc->x) &&
 146         (win->m_y == alloc->y) &&
 147         (win->m_width == alloc->width) &&
 148         (win->m_height == alloc->height))
 149     {
 150         return;
 151     }
 152
 153     win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
 154
 155     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call allocate
 156        here in order to make repositioning after resizing to take effect. */
 157     if ((gtk_major_version == 1) &&
 158         (gtk_minor_version == 2) &&
 159         (gtk_micro_version < 6) &&
 160         (win->m_wxwindow) &&
 161         (GTK_WIDGET_REALIZED(win->m_wxwindow)))
 162     {
 163         gtk_widget_size_allocate( win->m_wxwindow, alloc );
 164     }
 165 }
 166 }
 167
 168 //-----------------------------------------------------------------------------
 169 // "realize" from m_widget
 170 //-----------------------------------------------------------------------------
 171
 172 extern "C" {
 173 static void
 174 gtk_notebook_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win )
 175 {
 176     if (g_isIdle)
 177         wxapp_install_idle_handler();
 178
 179     /* GTK 1.2 up to version 1.2.5 is broken so that we have to call a queue_resize
 180        here in order to make repositioning before showing to take effect. */
 181     gtk_widget_queue_resize( win->m_widget );
 182 }
 183 }
 184
 185 //-----------------------------------------------------------------------------
 186 // "key_press_event"
 187 //-----------------------------------------------------------------------------
 188
 189 extern "C" {
 190 static gboolean
 191 gtk_notebook_key_press_callback( GtkWidget   *widget,
 192                                  GdkEventKey *gdk_event,
 193                                  wxNotebook  *notebook )
 194 {
 195     // don't need to install idle handler, its done from "event" signal
 196
 197     if (!notebook->m_hasVMT) return FALSE;
 198     if (g_blockEventsOnDrag) return FALSE;
 199
 200     /* win is a control: tab can be propagated up */
 201     if ((gdk_event->keyval == GDK_Left) || (gdk_event->keyval == GDK_Right))
 202     {
 203         int page;
 204         int nMax = notebook->GetPageCount();
 205         if ( nMax-- ) // decrement it to get the last valid index
 206         {
 207             int nSel = notebook->GetSelection();
 208
 209             // change selection wrapping if it becomes invalid
 210             page = (gdk_event->keyval != GDK_Left) ? nSel == nMax ? 0
 211                                        : nSel + 1
 212                         : nSel == 0 ? nMax
 213                                     : nSel - 1;
 214         }
 215         else // notebook is empty, no next page
 216         {
 217             return FALSE;
 218         }
 219
 220         // m_selection = page;
 221         gtk_notebook_set_current_page( GTK_NOTEBOOK(widget), page );
 222
 223         g_signal_stop_emission_by_name (widget, "key_press_event");
 224         return TRUE;
 225     }
 226
 227     /* win is a control: tab can be propagated up */
 228     if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
 229     {
 230         int sel = notebook->GetSelection();
 231         if (sel == -1)
 232             return TRUE;
 233         wxGtkNotebookPage *nb_page = notebook->GetNotebookPage(sel);
 234         wxCHECK_MSG( nb_page, FALSE, _T("invalid selection in wxNotebook") );
 235
 236         wxNavigationKeyEvent event;
 237         event.SetEventObject( notebook );
 238         /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
 239         event.SetDirection( (gdk_event->keyval == GDK_Tab) );
 240         /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
 241         event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) ||
 242                                (gdk_event->keyval == GDK_Left) || (gdk_event->keyval == GDK_Right) );
 243         event.SetCurrentFocus( notebook );
 244
 245         wxNotebookPage *client = notebook->GetPage(sel);
 246         if ( !client->GetEventHandler()->ProcessEvent( event ) )
 247         {
 248              client->SetFocus();
 249         }
 250
 251         g_signal_stop_emission_by_name (widget, "key_press_event");
 252         return TRUE;
 253     }
 254
 255     return FALSE;
 256 }
 257 }
 258
 259 //-----------------------------------------------------------------------------
 260 // InsertChild callback for wxNotebook
 261 //-----------------------------------------------------------------------------
 262
 263 static void wxInsertChildInNotebook( wxNotebook* parent, wxWindow* child )
 264 {
 265     // Hack Alert! (Part I): This sets the notebook as the parent of the child
 266     // widget, and takes care of some details such as updating the state and
 267     // style of the child to reflect its new location.  We do this early
 268     // because without it GetBestSize (which is used to set the initial size
 269     // of controls if an explicit size is not given) will often report
 270     // incorrect sizes since the widget's style context is not fully known.
 271     // See bug #901694 for details
 272     // (http://sourceforge.net/tracker/?func=detail&aid=901694&group_id=9863&atid=109863)
 273     gtk_widget_set_parent(child->m_widget, parent->m_widget);
 274
 275     // NOTE: This should be considered a temporary workaround until we can
 276     // work out the details and implement delaying the setting of the initial
 277     // size of widgets until the size is really needed.
 278 }
 279
 280 //-----------------------------------------------------------------------------
 281 // wxNotebook
 282 //-----------------------------------------------------------------------------
 283
 284 IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)
 285
 286 BEGIN_EVENT_TABLE(wxNotebook, wxControl)
 287     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
 288 END_EVENT_TABLE()
 289
 290 void wxNotebook::Init()
 291 {
 292     m_padding = 0;
 293     m_inSwitchPage = false;
 294
 295     m_imageList = (wxImageList *) NULL;
 296     m_selection = -1;
 297     m_themeEnabled = true;
 298 }
 299
 300 wxNotebook::wxNotebook()
 301 {
 302     Init();
 303 }
 304
 305 wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id,
 306       const wxPoint& pos, const wxSize& size,
 307       long style, const wxString& name )
 308 {
 309     Init();
 310     Create( parent, id, pos, size, style, name );
 311 }
 312
 313 wxNotebook::~wxNotebook()
 314 {
 315     DeleteAllPages();
 316 }
 317
 318 bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
 319                         const wxPoint& pos, const wxSize& size,
 320                         long style, const wxString& name )
 321 {
 322     m_needParent = true;
 323     m_acceptsFocus = true;
 324     m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook;
 325
 326     if ( (style & wxBK_ALIGN_MASK) == wxBK_DEFAULT )
 327         style |= wxBK_TOP;
 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     g_signal_connect (m_widget, "switch_page",
 342                       G_CALLBACK (gtk_notebook_page_change_callback), this);
 343
 344     m_parent->DoAddChild( this );
 345
 346     if (m_windowStyle & wxBK_RIGHT)
 347         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
 348     if (m_windowStyle & wxBK_LEFT)
 349         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
 350     if (m_windowStyle & wxBK_BOTTOM)
 351         gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
 352
 353     g_signal_connect (m_widget, "key_press_event",
 354                       G_CALLBACK (gtk_notebook_key_press_callback), this);
 355
 356     PostCreation(size);
 357
 358     g_signal_connect (m_widget, "realize",
 359                       G_CALLBACK (gtk_notebook_realized_callback), 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, wxEmptyString, wxT("invalid notebook") );
 391
 392     wxGtkNotebookPage* nb_page = GetNotebookPage(page);
 393     if (nb_page)
 394         return nb_page->m_text;
 395     else
 396         return wxEmptyString;
 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_current_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_text( 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_get_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     g_signal_handlers_disconnect_by_func (m_widget,
 608                                           (gpointer) gtk_notebook_page_change_callback,
 609                                           this);
 610
 611     gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
 612
 613     g_signal_connect (m_widget, "switch_page",
 614                       G_CALLBACK (gtk_notebook_page_change_callback), this);
 615
 616     wxGtkNotebookPage* p = GetNotebookPage(page);
 617     m_pagesData.DeleteObject(p);
 618     delete p;
 619
 620     return client;
 621 }
 622
 623 bool wxNotebook::InsertPage( size_t position,
 624                              wxNotebookPage* win,
 625                              const wxString& text,
 626                              bool select,
 627                              int imageId )
 628 {
 629     wxCHECK_MSG( m_widget != NULL, false, wxT("invalid notebook") );
 630
 631     wxCHECK_MSG( win->GetParent() == this, false,
 632                wxT("Can't add a page whose parent is not the notebook!") );
 633
 634     wxCHECK_MSG( position <= GetPageCount(), false,
 635                  _T("invalid page index in wxNotebookPage::InsertPage()") );
 636
 637     // Hack Alert! (Part II): See above in wxInsertChildInNotebook callback
 638     // why this has to be done.  NOTE: using gtk_widget_unparent here does not
 639     // work as it seems to undo too much and will cause errors in the
 640     // gtk_notebook_insert_page below, so instead just clear the parent by
 641     // hand here.
 642     win->m_widget->parent = NULL;
 643
 644     // don't receive switch page during addition
 645     g_signal_handlers_disconnect_by_func (m_widget,
 646                                           (gpointer) gtk_notebook_page_change_callback,
 647                                           this);
 648
 649     if (m_themeEnabled)
 650         win->SetThemeEnabled(true);
 651
 652     GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
 653
 654     wxGtkNotebookPage *nb_page = new wxGtkNotebookPage();
 655
 656     if ( position == GetPageCount() )
 657         m_pagesData.Append( nb_page );
 658     else
 659         m_pagesData.Insert( position, nb_page );
 660
 661     m_pages.Insert(win, position);
 662
 663     nb_page->m_box = gtk_hbox_new( FALSE, 1 );
 664     gtk_container_border_width( GTK_CONTAINER(nb_page->m_box), 2 );
 665
 666     g_signal_connect (win->m_widget, "size_allocate",
 667                       G_CALLBACK (gtk_page_size_callback), win);
 668
 669     gtk_notebook_insert_page( notebook, win->m_widget, nb_page->m_box, position );
 670
 671     nb_page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;
 672
 673     /* set the label image */
 674     nb_page->m_image = imageId;
 675
 676     if (imageId != -1)
 677     {
 678         wxASSERT( m_imageList != NULL );
 679
 680         const wxBitmap *bmp = m_imageList->GetBitmapPtr(imageId);
 681         GdkPixmap *pixmap = bmp->GetPixmap();
 682         GdkBitmap *mask = (GdkBitmap*) NULL;
 683         if ( bmp->GetMask() )
 684         {
 685             mask = bmp->GetMask()->GetBitmap();
 686         }
 687
 688         GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );
 689
 690         gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, m_padding);
 691
 692         gtk_widget_show(pixmapwid);
 693     }
 694
 695     /* set the label text */
 696
 697     nb_page->m_text = text;
 698     if (nb_page->m_text.empty()) nb_page->m_text = wxEmptyString;
 699
 700     nb_page->m_label = GTK_LABEL( gtk_label_new(wxGTK_CONV(nb_page->m_text)) );
 701     gtk_box_pack_end( GTK_BOX(nb_page->m_box), GTK_WIDGET(nb_page->m_label), FALSE, FALSE, m_padding );
 702
 703     /* apply current style */
 704     GtkRcStyle *style = CreateWidgetStyle();
 705     if ( style )
 706     {
 707         gtk_widget_modify_style(GTK_WIDGET(nb_page->m_label), style);
 708         gtk_rc_style_unref(style);
 709     }
 710
 711     /* show the label */
 712     gtk_widget_show( GTK_WIDGET(nb_page->m_label) );
 713     if (select && (m_pagesData.GetCount() > 1))
 714     {
 715       SetSelection( position );
 716     }
 717
 718     g_signal_connect (m_widget, "switch_page",
 719                       G_CALLBACK (gtk_notebook_page_change_callback), this);
 720
 721     InvalidateBestSize();
 722     return true;
 723 }
 724
 725 // helper for HitTest(): check if the point lies inside the given widget which
 726 // is the child of the notebook whose position and border size are passed as
 727 // parameters
 728 static bool
 729 IsPointInsideWidget(const wxPoint& pt, GtkWidget *w,
 730                     gint x, gint y, gint border = 0)
 731 {
 732     return
 733         (pt.x >= w->allocation.x - x - border) &&
 734         (pt.x <= w->allocation.x - x + border + w->allocation.width) &&
 735         (pt.y >= w->allocation.y - y - border) &&
 736         (pt.y <= w->allocation.y - y + border + w->allocation.height);
 737 }
 738
 739 int wxNotebook::HitTest(const wxPoint& pt, long *flags) const
 740 {
 741     const gint x = m_widget->allocation.x;
 742     const gint y = m_widget->allocation.y;
 743
 744     const size_t count = GetPageCount();
 745     size_t i = 0;
 746
 747     GtkNotebook * notebook = GTK_NOTEBOOK(m_widget);
 748     if (gtk_notebook_get_scrollable(notebook))
 749         i = g_list_position( notebook->children, notebook->first_tab );
 750
 751     for ( ; i < count; i++ )
 752     {
 753         wxGtkNotebookPage* nb_page = GetNotebookPage(i);
 754         GtkWidget *box = nb_page->m_box;
 755
 756         const gint border = gtk_container_get_border_width(GTK_CONTAINER(box));
 757
 758         if ( IsPointInsideWidget(pt, box, x, y, border) )
 759         {
 760             // ok, we're inside this tab -- now find out where, if needed
 761             if ( flags )
 762             {
 763                 GtkWidget *pixmap = NULL;
 764
 765                 GList *children = gtk_container_get_children(GTK_CONTAINER(box));
 766                 for ( GList *child = children; child; child = child->next )
 767                 {
 768                     if ( GTK_IS_PIXMAP(child->data) )
 769                     {
 770                         pixmap = GTK_WIDGET(child->data);
 771                         break;
 772                     }
 773                 }
 774
 775                 if ( children )
 776                     g_list_free(children);
 777
 778                 if ( pixmap && IsPointInsideWidget(pt, pixmap, x, y) )
 779                 {
 780                     *flags = wxBK_HITTEST_ONICON;
 781                 }
 782                 else if ( IsPointInsideWidget(pt, GTK_WIDGET(nb_page->m_label), x, y) )
 783                 {
 784                     *flags = wxBK_HITTEST_ONLABEL;
 785                 }
 786                 else
 787                 {
 788                     *flags = wxBK_HITTEST_ONITEM;
 789                 }
 790             }
 791
 792             return i;
 793         }
 794     }
 795
 796     if ( flags )
 797     {
 798         *flags = wxBK_HITTEST_NOWHERE;
 799         wxWindowBase * page = GetCurrentPage();
 800         if ( page )
 801         {
 802             // rect origin is in notebook's parent coordinates
 803             wxRect rect = page->GetRect();
 804
 805             // adjust it to the notebook's coordinates
 806             wxPoint pos = GetPosition();
 807             rect.x -= pos.x;
 808             rect.y -= pos.y;
 809             if ( rect.Inside( pt ) )
 810                 *flags |= wxBK_HITTEST_ONPAGE;
 811         }
 812     }
 813
 814     return wxNOT_FOUND;
 815 }
 816
 817 void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
 818 {
 819     if (event.IsWindowChange())
 820         AdvanceSelection( event.GetDirection() );
 821     else
 822         event.Skip();
 823 }
 824
 825 #if wxUSE_CONSTRAINTS
 826
 827 // override these 2 functions to do nothing: everything is done in OnSize
 828 void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
 829 {
 830     // don't set the sizes of the pages - their correct size is not yet known
 831     wxControl::SetConstraintSizes(false);
 832 }
 833
 834 bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
 835 {
 836     return true;
 837 }
 838
 839 #endif
 840
 841 void wxNotebook::DoApplyWidgetStyle(GtkRcStyle *style)
 842 {
 843     gtk_widget_modify_style(m_widget, style);
 844     size_t cnt = m_pagesData.GetCount();
 845     for (size_t i = 0; i < cnt; i++)
 846         gtk_widget_modify_style(GTK_WIDGET(GetNotebookPage(i)->m_label), style);
 847 }
 848
 849 GdkWindow *wxNotebook::GTKGetWindow(wxArrayGdkWindows& windows) const
 850 {
 851     windows.push_back(m_widget->window);
 852     windows.push_back(GTK_NOTEBOOK(m_widget)->event_window);
 853
 854     return NULL;
 855 }
 856
 857 // static
 858 wxVisualAttributes
 859 wxNotebook::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 860 {
 861     return GetDefaultAttributesFromGTKWidget(gtk_notebook_new);
 862 }
 863
 864 //-----------------------------------------------------------------------------
 865 // wxNotebookEvent
 866 //-----------------------------------------------------------------------------
 867
 868 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 869
 870 #endif