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