src/gtk/menu.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        menu.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation "menu.h"
  12 #pragma implementation "menuitem.h"
  13 #endif
  14
  15 #include "wx/menu.h"
  16 #include "wx/log.h"
  17 #include "wx/intl.h"
  18 #include "wx/app.h"
  19
  20 #include "gdk/gdk.h"
  21 #include "gtk/gtk.h"
  22
  23 //-----------------------------------------------------------------------------
  24 // idle system
  25 //-----------------------------------------------------------------------------
  26
  27 extern void wxapp_install_idle_handler();
  28 extern bool g_isIdle;
  29
  30 //-----------------------------------------------------------------------------
  31 // wxMenuBar
  32 //-----------------------------------------------------------------------------
  33
  34 IMPLEMENT_DYNAMIC_CLASS(wxMenuBar,wxWindow)
  35
  36 wxMenuBar::wxMenuBar( long style )
  37 {
  38     /* the parent window is known after wxFrame::SetMenu() */
  39     m_needParent = FALSE;
  40     m_style = style;
  41
  42     PreCreation( (wxWindow *) NULL, -1, wxDefaultPosition, wxDefaultSize, style, "menu" );
  43
  44     m_menus.DeleteContents( TRUE );
  45
  46     /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
  47 #if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
  48     m_accel = gtk_accel_group_new();
  49     m_factory = gtk_item_factory_new( GTK_TYPE_MENU_BAR, "<main>", m_accel );
  50     m_menubar = gtk_item_factory_get_widget( m_factory, "<main>" );
  51 #else
  52     m_menubar = gtk_menu_bar_new();
  53 #endif
  54
  55     if (style & wxMB_DOCKABLE)
  56     {
  57         m_widget = gtk_handle_box_new();
  58         gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_menubar) );
  59         gtk_widget_show( GTK_WIDGET(m_menubar) );
  60     }
  61     else
  62     {
  63         m_widget = GTK_WIDGET(m_menubar);
  64     }
  65
  66     PostCreation();
  67 }
  68
  69 wxMenuBar::wxMenuBar()
  70 {
  71     /* the parent window is known after wxFrame::SetMenu() */
  72     m_needParent = FALSE;
  73     m_style = 0;
  74
  75     PreCreation( (wxWindow *) NULL, -1, wxDefaultPosition, wxDefaultSize, 0, "menu" );
  76
  77     m_menus.DeleteContents( TRUE );
  78
  79     /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
  80 #if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
  81     m_accel = gtk_accel_group_new();
  82     m_factory = gtk_item_factory_new( GTK_TYPE_MENU_BAR, "<main>", m_accel );
  83     m_menubar = gtk_item_factory_get_widget( m_factory, "<main>" );
  84 #else
  85     m_menubar = gtk_menu_bar_new();
  86 #endif
  87
  88     m_widget = GTK_WIDGET(m_menubar);
  89
  90     PostCreation();
  91 }
  92
  93 wxMenuBar::~wxMenuBar()
  94 {
  95    // how to destroy a GtkItemFactory ?
  96 }
  97
  98 static void wxMenubarUnsetInvokingWindow( wxMenu *menu, wxWindow *win )
  99 {
 100     menu->SetInvokingWindow( (wxWindow*) NULL );
 101
 102 #if (GTK_MINOR_VERSION > 0)
 103     wxWindow *top_frame = win;
 104     while (top_frame->GetParent()) top_frame = top_frame->GetParent();
 105
 106     /* support for native hot keys  */
 107     gtk_accel_group_detach( menu->m_accel, GTK_OBJECT(top_frame->m_widget) );
 108 #endif
 109
 110     wxNode *node = menu->GetItems().First();
 111     while (node)
 112     {
 113         wxMenuItem *menuitem = (wxMenuItem*)node->Data();
 114         if (menuitem->IsSubMenu())
 115             wxMenubarUnsetInvokingWindow( menuitem->GetSubMenu(), win );
 116         node = node->Next();
 117     }
 118 }
 119
 120 static void wxMenubarSetInvokingWindow( wxMenu *menu, wxWindow *win )
 121 {
 122     menu->SetInvokingWindow( win );
 123
 124 #if (GTK_MINOR_VERSION > 0)
 125     wxWindow *top_frame = win;
 126     while (top_frame->GetParent())
 127        top_frame = top_frame->GetParent();
 128
 129     /* support for native hot keys  */
 130     gtk_accel_group_attach( menu->m_accel, GTK_OBJECT(top_frame->m_widget) );
 131 #endif
 132
 133     wxNode *node = menu->GetItems().First();
 134     while (node)
 135     {
 136         wxMenuItem *menuitem = (wxMenuItem*)node->Data();
 137         if (menuitem->IsSubMenu())
 138             wxMenubarSetInvokingWindow( menuitem->GetSubMenu(), win );
 139         node = node->Next();
 140     }
 141 }
 142
 143 void wxMenuBar::SetInvokingWindow( wxWindow *win )
 144 {
 145 #if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
 146     wxWindow *top_frame = win;
 147     while (top_frame->GetParent())
 148        top_frame = top_frame->GetParent();
 149
 150     /* support for native key accelerators indicated by underscroes */
 151     gtk_accel_group_attach( m_accel, GTK_OBJECT(top_frame->m_widget) );
 152 #endif
 153
 154     wxNode *node = m_menus.First();
 155     while (node)
 156     {
 157         wxMenu *menu = (wxMenu*)node->Data();
 158         wxMenubarSetInvokingWindow( menu, win );
 159         node = node->Next();
 160     }
 161 }
 162
 163 void wxMenuBar::UnsetInvokingWindow( wxWindow *win )
 164 {
 165 #if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
 166     wxWindow *top_frame = win;
 167     while (top_frame->GetParent())
 168        top_frame = top_frame->GetParent();
 169
 170     /* support for native key accelerators indicated by underscroes */
 171     gtk_accel_group_detach( m_accel, GTK_OBJECT(top_frame->m_widget) );
 172 #endif
 173
 174     wxNode *node = m_menus.First();
 175     while (node)
 176     {
 177         wxMenu *menu = (wxMenu*)node->Data();
 178         wxMenubarUnsetInvokingWindow( menu, win );
 179         node = node->Next();
 180     }
 181 }
 182
 183 void wxMenuBar::Append( wxMenu *menu, const wxString &title )
 184 {
 185     m_menus.Append( menu );
 186
 187     /* GTK 1.2 wants to have "_" instead of "&" for accelerators */
 188     wxString str;
 189     for ( const wxChar *pc = title; *pc != _T('\0'); pc++ )
 190     {
 191         if (*pc == _T('&'))
 192         {
 193 #if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
 194             str << _T('_');
 195         } else
 196         if (*pc == _T('/'))
 197         {
 198             str << _T('\\');
 199 #endif
 200         }
 201         else
 202            str << *pc;
 203     }
 204
 205     /* this doesn't have much effect right now */
 206     menu->SetTitle( str );
 207
 208     /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
 209 #if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
 210
 211     /* local buffer in multibyte form */
 212     char buf[200];
 213     strcpy( buf, "/" );
 214     strcat( buf, str.mb_str() );
 215
 216     GtkItemFactoryEntry entry;
 217     entry.path = buf;
 218     entry.accelerator = (gchar*) NULL;
 219     entry.callback = (GtkItemFactoryCallback) NULL;
 220     entry.callback_action = 0;
 221     entry.item_type = (m_style & wxMB_TEAROFF || menu->GetStyle() &
 222                        wxMENU_TEAROFF) ?
 223        "<Tearoff>" : "<Branch>";
 224
 225     gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 );  /* what is 2 ? */
 226
 227     /* in order to get the pointer to the item we need the item text _without_ underscores */
 228     wxString tmp = _T("<main>/");
 229     for ( const wxChar *pc = str; *pc != _T('\0'); pc++ )
 230     {
 231         if (*pc == _T('_')) pc++; /* skip it */
 232         tmp << *pc;
 233     }
 234
 235     menu->m_owner = gtk_item_factory_get_item( m_factory, tmp.mb_str() );
 236
 237     gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
 238
 239 #else
 240
 241     menu->m_owner = gtk_menu_item_new_with_label( str.mb_str() );
 242     gtk_widget_show( menu->m_owner );
 243     gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
 244
 245     gtk_menu_bar_append( GTK_MENU_BAR(m_menubar), menu->m_owner );
 246
 247 #endif
 248 }
 249
 250 static int FindMenuItemRecursive( const wxMenu *menu, const wxString &menuString, const wxString &itemString )
 251 {
 252     if (menu->GetTitle() == menuString)
 253     {
 254         int res = menu->FindItem( itemString );
 255         if (res != wxNOT_FOUND)
 256             return res;
 257     }
 258
 259     wxNode *node = ((wxMenu *)menu)->GetItems().First();    // const_cast
 260     while (node)
 261     {
 262         wxMenuItem *item = (wxMenuItem*)node->Data();
 263         if (item->IsSubMenu())
 264             return FindMenuItemRecursive(item->GetSubMenu(), menuString, itemString);
 265
 266         node = node->Next();
 267     }
 268
 269     return wxNOT_FOUND;
 270 }
 271
 272 wxMenuItem *wxMenuBar::FindItemForId(int itemId, wxMenu **menuForItem ) const
 273 {
 274     if ( menuForItem )
 275     {
 276         // TODO return the pointer to the menu
 277
 278         *menuForItem = NULL;
 279     }
 280
 281     return FindItem(itemId);
 282 }
 283
 284 int wxMenuBar::FindMenuItem( const wxString &menuString, const wxString &itemString ) const
 285 {
 286     wxNode *node = m_menus.First();
 287     while (node)
 288     {
 289         wxMenu *menu = (wxMenu*)node->Data();
 290         int res = FindMenuItemRecursive( menu, menuString, itemString);
 291         if (res != -1) return res;
 292         node = node->Next();
 293     }
 294     return -1;
 295 }
 296
 297 // Find a wxMenuItem using its id. Recurses down into sub-menus
 298 static wxMenuItem* FindMenuItemByIdRecursive(const wxMenu* menu, int id)
 299 {
 300     wxMenuItem* result = menu->FindItem(id);
 301
 302     wxNode *node = ((wxMenu *)menu)->GetItems().First(); // const_cast
 303     while ( node && result == NULL )
 304     {
 305         wxMenuItem *item = (wxMenuItem*)node->Data();
 306         if (item->IsSubMenu())
 307         {
 308             result = FindMenuItemByIdRecursive( item->GetSubMenu(), id );
 309         }
 310         node = node->Next();
 311     }
 312
 313     return result;
 314 }
 315
 316 wxMenuItem* wxMenuBar::FindItem( int id ) const
 317 {
 318     wxMenuItem* result = 0;
 319     wxNode *node = m_menus.First();
 320     while (node && result == 0)
 321     {
 322         wxMenu *menu = (wxMenu*)node->Data();
 323         result = FindMenuItemByIdRecursive( menu, id );
 324         node = node->Next();
 325     }
 326
 327     return result;
 328 }
 329
 330 void wxMenuBar::Check( int id, bool check )
 331 {
 332     wxMenuItem* item = FindMenuItemById( id );
 333
 334     wxCHECK_RET( item, _T("wxMenuBar::Check: no such item") );
 335
 336     item->Check(check);
 337 }
 338
 339 bool wxMenuBar::IsChecked( int id ) const
 340 {
 341     wxMenuItem* item = FindMenuItemById( id );
 342
 343     wxCHECK_MSG( item, FALSE, _T("wxMenuBar::IsChecked: no such item") );
 344
 345     return item->IsChecked();
 346 }
 347
 348 void wxMenuBar::Enable( int id, bool enable )
 349 {
 350     wxMenuItem* item = FindMenuItemById( id );
 351
 352     wxCHECK_RET( item, _T("wxMenuBar::Enable: no such item") );
 353
 354     item->Enable(enable);
 355 }
 356
 357 bool wxMenuBar::IsEnabled( int id ) const
 358 {
 359     wxMenuItem* item = FindMenuItemById( id );
 360
 361     wxCHECK_MSG( item, FALSE, _T("wxMenuBar::IsEnabled: no such item") );
 362
 363     return item->IsEnabled();
 364 }
 365
 366 wxString wxMenuBar::GetLabel( int id ) const
 367 {
 368     wxMenuItem* item = FindMenuItemById( id );
 369
 370     wxCHECK_MSG( item, _T(""), _T("wxMenuBar::GetLabel: no such item") );
 371
 372     return item->GetText();
 373 }
 374
 375 void wxMenuBar::SetLabel( int id, const wxString &label )
 376 {
 377     wxMenuItem* item = FindMenuItemById( id );
 378
 379     wxCHECK_RET( item, _T("wxMenuBar::SetLabel: no such item") );
 380
 381     item->SetText( label );
 382 }
 383
 384 void wxMenuBar::EnableTop( int pos, bool flag )
 385 {
 386     wxNode *node = m_menus.Nth( pos );
 387
 388     wxCHECK_RET( node, _T("menu not found") );
 389
 390     wxMenu* menu = (wxMenu*)node->Data();
 391
 392     if (menu->m_owner)
 393         gtk_widget_set_sensitive( menu->m_owner, flag );
 394 }
 395
 396 wxString wxMenuBar::GetLabelTop( int pos ) const
 397 {
 398     wxNode *node = m_menus.Nth( pos );
 399
 400     wxCHECK_MSG( node, _T("invalid"), _T("menu not found") );
 401
 402     wxMenu* menu = (wxMenu*)node->Data();
 403
 404     return menu->GetTitle();
 405 }
 406
 407 void wxMenuBar::SetLabelTop( int pos, const wxString& label )
 408 {
 409     wxNode *node = m_menus.Nth( pos );
 410
 411     wxCHECK_RET( node, _T("menu not found") );
 412
 413     wxMenu* menu = (wxMenu*)node->Data();
 414
 415     menu->SetTitle( label );
 416 }
 417
 418 void wxMenuBar::SetHelpString( int id, const wxString& helpString )
 419 {
 420     wxMenuItem* item = FindMenuItemById( id );
 421
 422     wxCHECK_RET( item, _T("wxMenuBar::SetHelpString: no such item") );
 423
 424     item->SetHelp( helpString );
 425 }
 426
 427 wxString wxMenuBar::GetHelpString( int id ) const
 428 {
 429     wxMenuItem* item = FindMenuItemById( id );
 430
 431     wxCHECK_MSG( item, _T(""), _T("wxMenuBar::GetHelpString: no such item") );
 432
 433     return item->GetHelp();
 434 }
 435
 436 //-----------------------------------------------------------------------------
 437 // "activate"
 438 //-----------------------------------------------------------------------------
 439
 440 static void gtk_menu_clicked_callback( GtkWidget *widget, wxMenu *menu )
 441 {
 442     if (g_isIdle) wxapp_install_idle_handler();
 443
 444     int id = menu->FindMenuIdByMenuItem(widget);
 445
 446     /* should find it for normal (not popup) menu */
 447     wxASSERT( (id != -1) || (menu->GetInvokingWindow() != NULL) );
 448
 449     if (!menu->IsEnabled(id))
 450         return;
 451
 452     wxMenuItem* item = menu->FindItem( id );
 453     wxCHECK_RET( item, _T("error in menu item callback") );
 454
 455     if (item->IsCheckable())
 456     {
 457         if (item->GetCheckedFlag() == item->IsChecked())
 458         {
 459             /* the menu item has been checked by calling wxMenuItem->Check() */
 460             return;
 461         }
 462         else
 463         {
 464             /* the user pressed on the menu item -> report */
 465             item->SetCheckedFlag(item->IsChecked());  /* make consistent again */
 466         }
 467     }
 468
 469     wxCommandEvent event( wxEVT_COMMAND_MENU_SELECTED, id );
 470     event.SetEventObject( menu );
 471     event.SetInt(id );
 472
 473     if (menu->GetCallback())
 474     {
 475         (void) (*(menu->GetCallback())) (*menu, event);
 476         return;
 477     }
 478
 479     if (menu->GetEventHandler()->ProcessEvent(event))
 480         return;
 481
 482     wxWindow *win = menu->GetInvokingWindow();
 483     if (win)
 484         win->GetEventHandler()->ProcessEvent( event );
 485 }
 486
 487 //-----------------------------------------------------------------------------
 488 // "select"
 489 //-----------------------------------------------------------------------------
 490
 491 static void gtk_menu_hilight_callback( GtkWidget *widget, wxMenu *menu )
 492 {
 493     if (g_isIdle) wxapp_install_idle_handler();
 494
 495     int id = menu->FindMenuIdByMenuItem(widget);
 496
 497     wxASSERT( id != -1 ); // should find it!
 498
 499     if (!menu->IsEnabled(id))
 500         return;
 501
 502     wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, id );
 503     event.SetEventObject( menu );
 504
 505 /*   wxMSW doesn't call callback here either
 506
 507      if (menu->m_callback)
 508      {
 509         (void) (*(menu->m_callback)) (*menu, event);
 510         return;
 511      }
 512 */
 513
 514     if (menu->GetEventHandler()->ProcessEvent(event))
 515         return;
 516
 517     wxWindow *win = menu->GetInvokingWindow();
 518     if (win) win->GetEventHandler()->ProcessEvent( event );
 519 }
 520
 521 //-----------------------------------------------------------------------------
 522 // "deselect"
 523 //-----------------------------------------------------------------------------
 524
 525 static void gtk_menu_nolight_callback( GtkWidget *widget, wxMenu *menu )
 526 {
 527     if (g_isIdle) wxapp_install_idle_handler();
 528
 529     int id = menu->FindMenuIdByMenuItem(widget);
 530
 531     wxASSERT( id != -1 ); // should find it!
 532
 533     if (!menu->IsEnabled(id))
 534         return;
 535
 536     wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, -1 );
 537     event.SetEventObject( menu );
 538
 539     if (menu->GetEventHandler()->ProcessEvent(event))
 540         return;
 541
 542     wxWindow *win = menu->GetInvokingWindow();
 543     if (win)
 544         win->GetEventHandler()->ProcessEvent( event );
 545 }
 546
 547 //-----------------------------------------------------------------------------
 548 // wxMenuItem
 549 //-----------------------------------------------------------------------------
 550
 551 IMPLEMENT_DYNAMIC_CLASS(wxMenuItem,wxObject)
 552
 553 wxMenuItem::wxMenuItem()
 554 {
 555     m_id = ID_SEPARATOR;
 556     m_isCheckMenu = FALSE;
 557     m_isChecked = FALSE;
 558     m_isEnabled = TRUE;
 559     m_subMenu = (wxMenu *) NULL;
 560     m_menuItem = (GtkWidget *) NULL;
 561 }
 562
 563 // it's valid for this function to be called even if m_menuItem == NULL
 564 void wxMenuItem::SetName( const wxString& str )
 565 {
 566     /* '\t' is the deliminator indicating a hot key */
 567     m_text = _T("");
 568     const wxChar *pc = str;
 569     for (; (*pc != _T('\0')) && (*pc != _T('\t')); pc++ )
 570     {
 571         if (*pc == _T('&'))
 572         {
 573 #if (GTK_MINOR_VERSION > 0)
 574             m_text << _T('_');
 575         } else
 576         if (*pc == _T('/'))      /* we have to filter out slashes ... */
 577         {
 578             m_text << _T('\\');  /* ... and replace them with back slashes */
 579 #endif
 580         }
 581         else
 582            m_text << *pc;
 583     }
 584
 585     /* only GTK 1.2 knows about hot keys */
 586     m_hotKey = _T("");
 587 #if (GTK_MINOR_VERSION > 0)
 588     if(*pc == _T('\t'))
 589     {
 590        pc++;
 591        m_hotKey = pc;
 592     }
 593 #endif
 594
 595     if (m_menuItem)
 596     {
 597         GtkLabel *label = GTK_LABEL( GTK_BIN(m_menuItem)->child );
 598         gtk_label_set( label, m_text.mb_str());
 599     }
 600 }
 601
 602 void wxMenuItem::Check( bool check )
 603 {
 604     wxCHECK_RET( m_menuItem, _T("invalid menu item") );
 605
 606     wxCHECK_RET( IsCheckable(), _T("Can't check uncheckable item!") )
 607
 608     if (check == m_isChecked) return;
 609
 610     m_isChecked = check;
 611     gtk_check_menu_item_set_state( (GtkCheckMenuItem*)m_menuItem, (gint)check );
 612 }
 613
 614 void wxMenuItem::Enable( bool enable )
 615 {
 616     wxCHECK_RET( m_menuItem, _T("invalid menu item") );
 617
 618     gtk_widget_set_sensitive( m_menuItem, enable );
 619     m_isEnabled = enable;
 620 }
 621
 622 bool wxMenuItem::IsChecked() const
 623 {
 624     wxCHECK_MSG( m_menuItem, FALSE, _T("invalid menu item") );
 625
 626     wxCHECK( IsCheckable(), FALSE ); // can't get state of uncheckable item!
 627
 628     bool bIsChecked = ((GtkCheckMenuItem*)m_menuItem)->active != 0;
 629
 630     return bIsChecked;
 631 }
 632
 633 //-----------------------------------------------------------------------------
 634 // wxMenu
 635 //-----------------------------------------------------------------------------
 636
 637 IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler)
 638
 639 wxMenu::wxMenu( const wxString& title, const wxFunction func, long style )
 640 {
 641    Init(title, func, style);
 642 }
 643
 644 wxMenu::wxMenu(long style)
 645 {
 646    Init(wxEmptyString, (wxFunction) NULL, style);
 647 }
 648
 649 void
 650 wxMenu::Init( const wxString& title, const wxFunction func, long style )
 651 {
 652     m_title = title;
 653     m_items.DeleteContents( TRUE );
 654     m_invokingWindow = (wxWindow *) NULL;
 655     m_style = style;
 656
 657 #if (GTK_MINOR_VERSION > 0)
 658     m_accel = gtk_accel_group_new();
 659     m_factory = gtk_item_factory_new( GTK_TYPE_MENU, "<main>", m_accel );
 660     m_menu = gtk_item_factory_get_widget( m_factory, "<main>" );
 661 #else
 662     m_menu = gtk_menu_new();  // Do not show!
 663 #endif
 664
 665     m_callback = func;
 666     m_eventHandler = this;
 667     m_clientData = (void*) NULL;
 668
 669     if (m_title.IsNull()) m_title = _T("");
 670     if (m_title != _T(""))
 671     {
 672         Append(-2, m_title);
 673         AppendSeparator();
 674     }
 675
 676     m_owner = (GtkWidget*) NULL;
 677 }
 678
 679 wxMenu::~wxMenu()
 680 {
 681     /* how do we delete an item-factory ? */
 682 }
 683
 684 void wxMenu::SetTitle( const wxString& title )
 685 {
 686     // TODO Waiting for something better
 687     m_title = title;
 688 }
 689
 690 const wxString wxMenu::GetTitle() const
 691 {
 692     return m_title;
 693 }
 694
 695 void wxMenu::AppendSeparator()
 696 {
 697     wxMenuItem *mitem = new wxMenuItem();
 698     mitem->SetId(ID_SEPARATOR);
 699
 700 #if (GTK_MINOR_VERSION > 0)
 701     GtkItemFactoryEntry entry;
 702     entry.path = "/sep";
 703     entry.callback = (GtkItemFactoryCallback) NULL;
 704     entry.callback_action = 0;
 705     entry.item_type = "<Separator>";
 706     entry.accelerator = (gchar*) NULL;
 707
 708     gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 );  /* what is 2 ? */
 709
 710     /* this will be wrong for more than one separator. do we care? */
 711     GtkWidget *menuItem = gtk_item_factory_get_widget( m_factory, "<main>/sep" );
 712 #else
 713     GtkWidget *menuItem = gtk_menu_item_new();
 714     gtk_menu_append( GTK_MENU(m_menu), menuItem );
 715     gtk_widget_show( menuItem );
 716 #endif
 717
 718     mitem->SetMenuItem(menuItem);
 719     m_items.Append( mitem );
 720 }
 721
 722 static char* GetHotKey( const wxString &hotkey, char *hotbuf )
 723 {
 724     if (hotkey.IsEmpty()) return (char*) NULL;
 725
 726     switch (hotkey[0])
 727     {
 728         case _T('a'):   /* Alt */
 729         case _T('A'):
 730         case _T('m'):   /* Meta */
 731         case _T('M'):
 732         {
 733             strcpy( hotbuf, "<alt>" );
 734             wxString last = hotkey.Right(1);
 735             strcat( hotbuf, last.mb_str() );
 736             return hotbuf;
 737         }
 738         case _T('c'):    /* Ctrl */
 739         case _T('C'):
 740         case _T('s'):    /* Strg, yeah man, I'm German */
 741         case _T('S'):
 742         {
 743             strcpy( hotbuf, "<control>" );
 744             wxString last = hotkey.Right(1);
 745             strcat( hotbuf, last.mb_str() );
 746             return hotbuf;
 747         }
 748         case _T('F'):   /* function keys */
 749         {
 750             strcpy( hotbuf, hotkey.mb_str() );
 751             return hotbuf;
 752         }
 753         default:
 754         {
 755         }
 756     }
 757     return (char*) NULL;
 758 }
 759
 760 void wxMenu::Append( int id, const wxString &item, const wxString &helpStr, bool checkable )
 761 {
 762     wxMenuItem *mitem = new wxMenuItem();
 763     mitem->SetId(id);
 764     mitem->SetText(item);
 765     mitem->SetHelp(helpStr);
 766     mitem->SetCheckable(checkable);
 767
 768 #if (GTK_MINOR_VERSION > 0)
 769     /* text has "_" instead of "&" after mitem->SetText() */
 770     wxString text( mitem->GetText() );
 771
 772     /* local buffer in multibyte form */
 773     char buf[200];
 774     strcpy( buf, "/" );
 775     strcat( buf, text.mb_str() );
 776
 777     GtkItemFactoryEntry entry;
 778     entry.path = buf;
 779     entry.callback = (GtkItemFactoryCallback) gtk_menu_clicked_callback;
 780     entry.callback_action = 0;
 781     if (checkable)
 782         entry.item_type = "<CheckItem>";
 783     else
 784         entry.item_type = "<Item>";
 785
 786     char hotbuf[50];
 787     entry.accelerator = GetHotKey( mitem->GetHotKey(), hotbuf );
 788
 789     gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 );  /* what is 2 ? */
 790
 791     /* in order to get the pointer to the item we need the item text _without_ underscores */
 792     wxString s = _T("<main>/");
 793     for ( const wxChar *pc = text; *pc != _T('\0'); pc++ )
 794     {
 795         if (*pc == _T('_')) pc++; /* skip it */
 796         s << *pc;
 797     }
 798
 799     GtkWidget *menuItem = gtk_item_factory_get_widget( m_factory, s.mb_str() );
 800
 801 #else
 802
 803     GtkWidget *menuItem = checkable ? gtk_check_menu_item_new_with_label( mitem->GetText().mb_str() )
 804                                     : gtk_menu_item_new_with_label( mitem->GetText().mb_str() );
 805
 806     gtk_signal_connect( GTK_OBJECT(menuItem), "activate",
 807                         GTK_SIGNAL_FUNC(gtk_menu_clicked_callback),
 808                         (gpointer)this );
 809
 810     gtk_menu_append( GTK_MENU(m_menu), menuItem );
 811     gtk_widget_show( menuItem );
 812
 813 #endif
 814
 815     gtk_signal_connect( GTK_OBJECT(menuItem), "select",
 816                         GTK_SIGNAL_FUNC(gtk_menu_hilight_callback),
 817                         (gpointer)this );
 818
 819     gtk_signal_connect( GTK_OBJECT(menuItem), "deselect",
 820                         GTK_SIGNAL_FUNC(gtk_menu_nolight_callback),
 821                         (gpointer)this );
 822
 823     mitem->SetMenuItem(menuItem);
 824
 825     m_items.Append( mitem );
 826 }
 827
 828 void wxMenu::Append( int id, const wxString &item, wxMenu *subMenu, const wxString &helpStr )
 829 {
 830     wxMenuItem *mitem = new wxMenuItem();
 831     mitem->SetId(id);
 832     mitem->SetText(item);
 833     mitem->SetHelp(helpStr);
 834
 835 #if (GTK_MINOR_VERSION > 0)
 836     /* text has "_" instead of "&" after mitem->SetText() */
 837     wxString text( mitem->GetText() );
 838
 839     /* local buffer in multibyte form */
 840     char buf[200];
 841     strcpy( buf, "/" );
 842     strcat( buf, text.mb_str() );
 843
 844     GtkItemFactoryEntry entry;
 845     entry.path = buf;
 846     entry.callback = (GtkItemFactoryCallback) 0;
 847     entry.callback_action = 0;
 848     entry.item_type = (m_style & wxMENU_TEAROFF) ? "<Tearoff>" : "<Branch>";
 849
 850     gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 );  /* what is 2 ? */
 851
 852     /* in order to get the pointer to the item we need the item text _without_ underscores */
 853     wxString s = _T("<main>/");
 854     for ( const wxChar *pc = text; *pc != _T('\0'); pc++ )
 855     {
 856         if (*pc == _T('_')) pc++; /* skip it */
 857         s << *pc;
 858     }
 859
 860     GtkWidget *menuItem = gtk_item_factory_get_item( m_factory, s.mb_str() );
 861
 862 #else
 863
 864     GtkWidget *menuItem = gtk_menu_item_new_with_label(mitem->GetText().mbc_str());
 865
 866     gtk_menu_append( GTK_MENU(m_menu), menuItem );
 867     gtk_widget_show( menuItem );
 868
 869 #endif
 870
 871     gtk_signal_connect( GTK_OBJECT(menuItem), "select",
 872                         GTK_SIGNAL_FUNC(gtk_menu_hilight_callback),
 873                         (gpointer*)this );
 874
 875     gtk_signal_connect( GTK_OBJECT(menuItem), "deselect",
 876                         GTK_SIGNAL_FUNC(gtk_menu_nolight_callback),
 877                         (gpointer*)this );
 878
 879     gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), subMenu->m_menu );
 880
 881     mitem->SetMenuItem(menuItem);
 882     mitem->SetSubMenu(subMenu);
 883
 884     m_items.Append( mitem );
 885 }
 886
 887 void wxMenu::Append( wxMenuItem *item )
 888 {
 889     m_items.Append( item );
 890
 891     GtkWidget *menuItem = (GtkWidget*) NULL;
 892
 893     if (item->IsSeparator())
 894         menuItem = gtk_menu_item_new();
 895     else if (item->IsSubMenu())
 896         menuItem = gtk_menu_item_new_with_label(item->GetText().mbc_str());
 897     else
 898         menuItem = item->IsCheckable() ? gtk_check_menu_item_new_with_label(item->GetText().mbc_str())
 899                                        : gtk_menu_item_new_with_label(item->GetText().mbc_str());
 900
 901     if (!item->IsSeparator())
 902     {
 903         gtk_signal_connect( GTK_OBJECT(menuItem), "select",
 904                             GTK_SIGNAL_FUNC(gtk_menu_hilight_callback),
 905                             (gpointer*)this );
 906
 907         gtk_signal_connect( GTK_OBJECT(menuItem), "deselect",
 908                             GTK_SIGNAL_FUNC(gtk_menu_nolight_callback),
 909                             (gpointer*)this );
 910
 911         if (!item->IsSubMenu())
 912         {
 913             gtk_signal_connect( GTK_OBJECT(menuItem), "activate",
 914                                 GTK_SIGNAL_FUNC(gtk_menu_clicked_callback),
 915                                 (gpointer*)this );
 916         }
 917     }
 918
 919     gtk_menu_append( GTK_MENU(m_menu), menuItem );
 920     gtk_widget_show( menuItem );
 921     item->SetMenuItem(menuItem);
 922 }
 923
 924 int wxMenu::FindItem( const wxString itemString ) const
 925 {
 926     wxString s = _T("");
 927     for ( const wxChar *pc = itemString; *pc != _T('\0'); pc++ )
 928     {
 929         if (*pc == _T('&'))
 930         {
 931             pc++; /* skip it */
 932 #if (GTK_MINOR_VERSION > 0)
 933             s << _T('_');
 934 #endif
 935         }
 936         s << *pc;
 937     }
 938
 939     wxNode *node = m_items.First();
 940     while (node)
 941     {
 942         wxMenuItem *item = (wxMenuItem*)node->Data();
 943         if (item->GetText() == s)
 944         {
 945             return item->GetId();
 946         }
 947         node = node->Next();
 948     }
 949
 950     return wxNOT_FOUND;
 951 }
 952
 953 void wxMenu::Enable( int id, bool enable )
 954 {
 955     wxMenuItem *item = FindItem(id);
 956
 957     wxCHECK_RET( item, _T("wxMenu::Enable: no such item") );
 958
 959     item->Enable(enable);
 960 }
 961
 962 bool wxMenu::IsEnabled( int id ) const
 963 {
 964     wxMenuItem *item = FindItem(id);
 965
 966     wxCHECK_MSG( item, FALSE, _T("wxMenu::IsEnabled: no such item") );
 967
 968     return item->IsEnabled();
 969 }
 970
 971 void wxMenu::Check( int id, bool enable )
 972 {
 973     wxMenuItem *item = FindItem(id);
 974
 975     wxCHECK_RET( item, _T("wxMenu::Check: no such item") );
 976
 977     item->Check(enable);
 978 }
 979
 980 bool wxMenu::IsChecked( int id ) const
 981 {
 982     wxMenuItem *item = FindItem(id);
 983
 984     wxCHECK_MSG( item, FALSE, _T("wxMenu::IsChecked: no such item") );
 985
 986     return item->IsChecked();
 987 }
 988
 989 void wxMenu::SetLabel( int id, const wxString &label )
 990 {
 991     wxMenuItem *item = FindItem(id);
 992
 993     wxCHECK_RET( item, _T("wxMenu::SetLabel: no such item") );
 994
 995     item->SetText(label);
 996 }
 997
 998 wxString wxMenu::GetLabel( int id ) const
 999 {
1000     wxMenuItem *item = FindItem(id);
1001
1002     wxCHECK_MSG( item, _T(""), _T("wxMenu::GetLabel: no such item") );
1003
1004     return item->GetText();
1005 }
1006
1007 void wxMenu::SetHelpString( int id, const wxString& helpString )
1008 {
1009     wxMenuItem *item = FindItem(id);
1010
1011     wxCHECK_RET( item, _T("wxMenu::SetHelpString: no such item") );
1012
1013     item->SetHelp( helpString );
1014 }
1015
1016 wxString wxMenu::GetHelpString( int id ) const
1017 {
1018     wxMenuItem *item = FindItem(id);
1019
1020     wxCHECK_MSG( item, _T(""), _T("wxMenu::GetHelpString: no such item") );
1021
1022     return item->GetHelp();
1023 }
1024
1025 int wxMenu::FindMenuIdByMenuItem( GtkWidget *menuItem ) const
1026 {
1027     wxNode *node = m_items.First();
1028     while (node)
1029     {
1030         wxMenuItem *item = (wxMenuItem*)node->Data();
1031         if (item->GetMenuItem() == menuItem)
1032            return item->GetId();
1033         node = node->Next();
1034     }
1035
1036     return wxNOT_FOUND;
1037 }
1038
1039 wxMenuItem *wxMenu::FindItem(int id) const
1040 {
1041     wxNode *node = m_items.First();
1042     while (node)
1043     {
1044         wxMenuItem *item = (wxMenuItem*)node->Data();
1045         if (item->GetId() == id)
1046         {
1047             return item;
1048         }
1049         node = node->Next();
1050     }
1051
1052     /* Not finding anything here can be correct
1053      * when search the entire menu system for
1054      * an entry -> no error message. */
1055
1056     return (wxMenuItem *) NULL;
1057 }
1058
1059 void wxMenu::SetInvokingWindow( wxWindow *win )
1060 {
1061     m_invokingWindow = win;
1062 }
1063
1064 wxWindow *wxMenu::GetInvokingWindow()
1065 {
1066     return m_invokingWindow;
1067 }
1068
1069 // Update a menu and all submenus recursively. source is the object that has
1070 // the update event handlers defined for it. If NULL, the menu or associated
1071 // window will be used.
1072 void wxMenu::UpdateUI(wxEvtHandler* source)
1073 {
1074   if (!source && GetInvokingWindow())
1075     source = GetInvokingWindow()->GetEventHandler();
1076   if (!source)
1077     source = GetEventHandler();
1078   if (!source)
1079     source = this;
1080
1081   wxNode* node = GetItems().First();
1082   while (node)
1083   {
1084     wxMenuItem* item = (wxMenuItem*) node->Data();
1085     if ( !item->IsSeparator() )
1086     {
1087       wxWindowID id = item->GetId();
1088       wxUpdateUIEvent event(id);
1089       event.SetEventObject( source );
1090
1091       if (source->ProcessEvent(event))
1092       {
1093         if (event.GetSetText())
1094           SetLabel(id, event.GetText());
1095         if (event.GetSetChecked())
1096           Check(id, event.GetChecked());
1097         if (event.GetSetEnabled())
1098           Enable(id, event.GetEnabled());
1099       }
1100
1101       if (item->GetSubMenu())
1102         item->GetSubMenu()->UpdateUI(source);
1103     }
1104     node = node->Next();
1105   }
1106 }
1107