src/gtk1/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 #endif
 113         }
 114         else
 115            str << *pc;
 116     }
 117
 118     /* this doesn't have much effect right now */
 119     menu->SetTitle( str );
 120
 121     /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
 122 #if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
 123
 124     /* local buffer in multibyte form */
 125     char buf[200];
 126     strcpy( buf, "/" );
 127     strcat( buf, str.mb_str() );
 128
 129     GtkItemFactoryEntry entry;
 130     entry.path = buf;
 131     entry.accelerator = (gchar*) NULL;
 132     entry.callback = (GtkItemFactoryCallback) NULL;
 133     entry.callback_action = 0;
 134     entry.item_type = "<Branch>";
 135
 136     gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 );  /* what is 2 ? */
 137
 138     /* in order to get the pointer to the item we need the item text _without_ underscores */
 139     wxString tmp = _T("<main>/");
 140     for ( const wxChar *pc = str; *pc != _T('\0'); pc++ )
 141     {
 142         if (*pc == _T('_')) pc++; /* skip it */
 143         tmp << *pc;
 144     }
 145
 146     menu->m_owner = gtk_item_factory_get_item( m_factory, tmp.mb_str() );
 147
 148     gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
 149
 150 #else
 151
 152     menu->m_owner = gtk_menu_item_new_with_label( str.mb_str() );
 153     gtk_widget_show( menu->m_owner );
 154     gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
 155
 156     gtk_menu_bar_append( GTK_MENU_BAR(m_menubar), menu->m_owner );
 157
 158 #endif
 159 }
 160
 161 static int FindMenuItemRecursive( const wxMenu *menu, const wxString &menuString, const wxString &itemString )
 162 {
 163     if (menu->GetTitle() == menuString)
 164     {
 165         int res = menu->FindItem( itemString );
 166         if (res != wxNOT_FOUND)
 167             return res;
 168     }
 169
 170     wxNode *node = ((wxMenu *)menu)->GetItems().First();    // const_cast
 171     while (node)
 172     {
 173         wxMenuItem *item = (wxMenuItem*)node->Data();
 174         if (item->IsSubMenu())
 175             return FindMenuItemRecursive(item->GetSubMenu(), menuString, itemString);
 176
 177         node = node->Next();
 178     }
 179
 180     return wxNOT_FOUND;
 181 }
 182
 183 wxMenuItem *wxMenuBar::FindItemForId(int itemId, wxMenu **menuForItem ) const
 184 {
 185     if ( menuForItem )
 186     {
 187         // TODO return the pointer to the menu
 188
 189         *menuForItem = NULL;
 190     }
 191
 192     return FindItem(itemId);
 193 }
 194
 195 int wxMenuBar::FindMenuItem( const wxString &menuString, const wxString &itemString ) const
 196 {
 197     wxNode *node = m_menus.First();
 198     while (node)
 199     {
 200         wxMenu *menu = (wxMenu*)node->Data();
 201         int res = FindMenuItemRecursive( menu, menuString, itemString);
 202         if (res != -1) return res;
 203         node = node->Next();
 204     }
 205     return -1;
 206 }
 207
 208 // Find a wxMenuItem using its id. Recurses down into sub-menus
 209 static wxMenuItem* FindMenuItemByIdRecursive(const wxMenu* menu, int id)
 210 {
 211     wxMenuItem* result = menu->FindItem(id);
 212
 213     wxNode *node = ((wxMenu *)menu)->GetItems().First(); // const_cast
 214     while ( node && result == NULL )
 215     {
 216         wxMenuItem *item = (wxMenuItem*)node->Data();
 217         if (item->IsSubMenu())
 218         {
 219             result = FindMenuItemByIdRecursive( item->GetSubMenu(), id );
 220         }
 221         node = node->Next();
 222     }
 223
 224     return result;
 225 }
 226
 227 wxMenuItem* wxMenuBar::FindItem( int id ) const
 228 {
 229     wxMenuItem* result = 0;
 230     wxNode *node = m_menus.First();
 231     while (node && result == 0)
 232     {
 233         wxMenu *menu = (wxMenu*)node->Data();
 234         result = FindMenuItemByIdRecursive( menu, id );
 235         node = node->Next();
 236     }
 237
 238     return result;
 239 }
 240
 241 void wxMenuBar::Check( int id, bool check )
 242 {
 243     wxMenuItem* item = FindMenuItemById( id );
 244
 245     wxCHECK_RET( item, _T("wxMenuBar::Check: no such item") );
 246
 247     item->Check(check);
 248 }
 249
 250 bool wxMenuBar::IsChecked( int id ) const
 251 {
 252     wxMenuItem* item = FindMenuItemById( id );
 253
 254     wxCHECK_MSG( item, FALSE, _T("wxMenuBar::IsChecked: no such item") );
 255
 256     return item->IsChecked();
 257 }
 258
 259 void wxMenuBar::Enable( int id, bool enable )
 260 {
 261     wxMenuItem* item = FindMenuItemById( id );
 262
 263     wxCHECK_RET( item, _T("wxMenuBar::Enable: no such item") );
 264
 265     item->Enable(enable);
 266 }
 267
 268 bool wxMenuBar::IsEnabled( int id ) const
 269 {
 270     wxMenuItem* item = FindMenuItemById( id );
 271
 272     wxCHECK_MSG( item, FALSE, _T("wxMenuBar::IsEnabled: no such item") );
 273
 274     return item->IsEnabled();
 275 }
 276
 277 wxString wxMenuBar::GetLabel( int id ) const
 278 {
 279     wxMenuItem* item = FindMenuItemById( id );
 280
 281     wxCHECK_MSG( item, _T(""), _T("wxMenuBar::GetLabel: no such item") );
 282
 283     return item->GetText();
 284 }
 285
 286 void wxMenuBar::SetLabel( int id, const wxString &label )
 287 {
 288     wxMenuItem* item = FindMenuItemById( id );
 289
 290     wxCHECK_RET( item, _T("wxMenuBar::SetLabel: no such item") );
 291
 292     item->SetText( label );
 293 }
 294
 295 void wxMenuBar::EnableTop( int pos, bool flag )
 296 {
 297     wxNode *node = m_menus.Nth( pos );
 298
 299     wxCHECK_RET( node, _T("menu not found") );
 300
 301     wxMenu* menu = (wxMenu*)node->Data();
 302
 303     if (menu->m_owner)
 304         gtk_widget_set_sensitive( menu->m_owner, flag );
 305 }
 306
 307 wxString wxMenuBar::GetLabelTop( int pos ) const
 308 {
 309     wxNode *node = m_menus.Nth( pos );
 310
 311     wxCHECK_MSG( node, _T("invalid"), _T("menu not found") );
 312
 313     wxMenu* menu = (wxMenu*)node->Data();
 314
 315     return menu->GetTitle();
 316 }
 317
 318 void wxMenuBar::SetLabelTop( int pos, const wxString& label )
 319 {
 320     wxNode *node = m_menus.Nth( pos );
 321
 322     wxCHECK_RET( node, _T("menu not found") );
 323
 324     wxMenu* menu = (wxMenu*)node->Data();
 325
 326     menu->SetTitle( label );
 327 }
 328
 329 void wxMenuBar::SetHelpString( int id, const wxString& helpString )
 330 {
 331     wxMenuItem* item = FindMenuItemById( id );
 332
 333     wxCHECK_RET( item, _T("wxMenuBar::SetHelpString: no such item") );
 334
 335     item->SetHelp( helpString );
 336 }
 337
 338 wxString wxMenuBar::GetHelpString( int id ) const
 339 {
 340     wxMenuItem* item = FindMenuItemById( id );
 341
 342     wxCHECK_MSG( item, _T(""), _T("wxMenuBar::GetHelpString: no such item") );
 343
 344     return item->GetHelp();
 345 }
 346
 347 //-----------------------------------------------------------------------------
 348 // "activate"
 349 //-----------------------------------------------------------------------------
 350
 351 static void gtk_menu_clicked_callback( GtkWidget *widget, wxMenu *menu )
 352 {
 353     if (g_isIdle) wxapp_install_idle_handler();
 354
 355     int id = menu->FindMenuIdByMenuItem(widget);
 356
 357     /* should find it for normal (not popup) menu */
 358     wxASSERT( (id != -1) || (menu->GetInvokingWindow() != NULL) );
 359
 360     if (!menu->IsEnabled(id))
 361         return;
 362
 363     wxMenuItem* item = menu->FindItem( id );
 364     wxCHECK_RET( item, _T("error in menu item callback") );
 365
 366     if (item->IsCheckable())
 367     {
 368         if (item->GetCheckedFlag() == item->IsChecked())
 369         {
 370             /* the menu item has been checked by calling wxMenuItem->Check() */
 371             return;
 372         }
 373         else
 374         {
 375             /* the user pressed on the menu item -> report */
 376             item->SetCheckedFlag(item->IsChecked());  /* make consistent again */
 377         }
 378     }
 379
 380     wxCommandEvent event( wxEVT_COMMAND_MENU_SELECTED, id );
 381     event.SetEventObject( menu );
 382     event.SetInt(id );
 383
 384     if (menu->GetCallback())
 385     {
 386         (void) (*(menu->GetCallback())) (*menu, event);
 387         return;
 388     }
 389
 390     if (menu->GetEventHandler()->ProcessEvent(event))
 391         return;
 392
 393     wxWindow *win = menu->GetInvokingWindow();
 394     if (win)
 395         win->GetEventHandler()->ProcessEvent( event );
 396 }
 397
 398 //-----------------------------------------------------------------------------
 399 // "select"
 400 //-----------------------------------------------------------------------------
 401
 402 static void gtk_menu_hilight_callback( GtkWidget *widget, wxMenu *menu )
 403 {
 404     if (g_isIdle) wxapp_install_idle_handler();
 405
 406     int id = menu->FindMenuIdByMenuItem(widget);
 407
 408     wxASSERT( id != -1 ); // should find it!
 409
 410     if (!menu->IsEnabled(id))
 411         return;
 412
 413     wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, id );
 414     event.SetEventObject( menu );
 415
 416 /*   wxMSW doesn't call callback here either
 417
 418      if (menu->m_callback)
 419      {
 420         (void) (*(menu->m_callback)) (*menu, event);
 421         return;
 422      }
 423 */
 424
 425     if (menu->GetEventHandler()->ProcessEvent(event))
 426         return;
 427
 428     wxWindow *win = menu->GetInvokingWindow();
 429     if (win) win->GetEventHandler()->ProcessEvent( event );
 430 }
 431
 432 //-----------------------------------------------------------------------------
 433 // "deselect"
 434 //-----------------------------------------------------------------------------
 435
 436 static void gtk_menu_nolight_callback( GtkWidget *widget, wxMenu *menu )
 437 {
 438     if (g_isIdle) wxapp_install_idle_handler();
 439
 440     int id = menu->FindMenuIdByMenuItem(widget);
 441
 442     wxASSERT( id != -1 ); // should find it!
 443
 444     if (!menu->IsEnabled(id))
 445         return;
 446
 447     wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, -1 );
 448     event.SetEventObject( menu );
 449
 450     if (menu->GetEventHandler()->ProcessEvent(event))
 451         return;
 452
 453     wxWindow *win = menu->GetInvokingWindow();
 454     if (win)
 455         win->GetEventHandler()->ProcessEvent( event );
 456 }
 457
 458 //-----------------------------------------------------------------------------
 459 // wxMenuItem
 460 //-----------------------------------------------------------------------------
 461
 462 IMPLEMENT_DYNAMIC_CLASS(wxMenuItem,wxObject)
 463
 464 wxMenuItem::wxMenuItem()
 465 {
 466     m_id = ID_SEPARATOR;
 467     m_isCheckMenu = FALSE;
 468     m_isChecked = FALSE;
 469     m_isEnabled = TRUE;
 470     m_subMenu = (wxMenu *) NULL;
 471     m_menuItem = (GtkWidget *) NULL;
 472 }
 473
 474 // it's valid for this function to be called even if m_menuItem == NULL
 475 void wxMenuItem::SetName( const wxString& str )
 476 {
 477     /* '\t' is the deliminator indicating a hot key */
 478     m_text = _T("");
 479     const wxChar *pc = str;
 480     for (; (*pc != _T('\0')) && (*pc != _T('\t')); pc++ )
 481     {
 482         if (*pc == _T('&'))
 483         {
 484 #if (GTK_MINOR_VERSION > 0)
 485             m_text << _T('_');
 486 #endif
 487         }
 488         else
 489            m_text << *pc;
 490     }
 491
 492     /* only GTK 1.2 know about hot keys */
 493     m_hotKey = _T("");
 494 #if (GTK_MINOR_VERSION > 0)
 495     pc++;
 496     m_hotKey = pc;
 497 #endif
 498
 499     if (m_menuItem)
 500     {
 501         GtkLabel *label = GTK_LABEL( GTK_BIN(m_menuItem)->child );
 502         gtk_label_set( label, m_text.mb_str());
 503     }
 504 }
 505
 506 void wxMenuItem::Check( bool check )
 507 {
 508     wxCHECK_RET( m_menuItem, _T("invalid menu item") );
 509
 510     wxCHECK_RET( IsCheckable(), _T("Can't check uncheckable item!") )
 511
 512     if (check == m_isChecked) return;
 513
 514     m_isChecked = check;
 515     gtk_check_menu_item_set_state( (GtkCheckMenuItem*)m_menuItem, (gint)check );
 516 }
 517
 518 void wxMenuItem::Enable( bool enable )
 519 {
 520     wxCHECK_RET( m_menuItem, _T("invalid menu item") );
 521
 522     gtk_widget_set_sensitive( m_menuItem, enable );
 523     m_isEnabled = enable;
 524 }
 525
 526 bool wxMenuItem::IsChecked() const
 527 {
 528     wxCHECK_MSG( m_menuItem, FALSE, _T("invalid menu item") );
 529
 530     wxCHECK( IsCheckable(), FALSE ); // can't get state of uncheckable item!
 531
 532     bool bIsChecked = ((GtkCheckMenuItem*)m_menuItem)->active != 0;
 533
 534     return bIsChecked;
 535 }
 536
 537 //-----------------------------------------------------------------------------
 538 // wxMenu
 539 //-----------------------------------------------------------------------------
 540
 541 IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler)
 542
 543 wxMenu::wxMenu( const wxString& title, const wxFunction func )
 544 {
 545     m_title = title;
 546     m_items.DeleteContents( TRUE );
 547     m_invokingWindow = (wxWindow *) NULL;
 548
 549 #if (GTK_MINOR_VERSION > 0)
 550     m_accel = gtk_accel_group_new();
 551     m_factory = gtk_item_factory_new( GTK_TYPE_MENU, "<main>", m_accel );
 552     m_menu = gtk_item_factory_get_widget( m_factory, "<main>" );
 553 #else
 554     m_menu = gtk_menu_new();  // Do not show!
 555 #endif
 556
 557     m_callback = func;
 558     m_eventHandler = this;
 559     m_clientData = (void*) NULL;
 560
 561     if (m_title.IsNull()) m_title = _T("");
 562     if (m_title != _T(""))
 563     {
 564         Append(-2, m_title);
 565         AppendSeparator();
 566     }
 567
 568     m_owner = (GtkWidget*) NULL;
 569 }
 570
 571 wxMenu::~wxMenu()
 572 {
 573     /* how do we delete an item-factory ? */
 574 }
 575
 576 void wxMenu::SetTitle( const wxString& title )
 577 {
 578     // TODO Waiting for something better
 579     m_title = title;
 580 }
 581
 582 const wxString wxMenu::GetTitle() const
 583 {
 584     return m_title;
 585 }
 586
 587 void wxMenu::AppendSeparator()
 588 {
 589     wxMenuItem *mitem = new wxMenuItem();
 590     mitem->SetId(ID_SEPARATOR);
 591
 592     GtkWidget *menuItem = gtk_menu_item_new();
 593     gtk_menu_append( GTK_MENU(m_menu), menuItem );
 594     gtk_widget_show( menuItem );
 595
 596     mitem->SetMenuItem(menuItem);
 597     m_items.Append( mitem );
 598 }
 599
 600 void wxMenu::Append( int id, const wxString &item, const wxString &helpStr, bool checkable )
 601 {
 602     wxMenuItem *mitem = new wxMenuItem();
 603     mitem->SetId(id);
 604     mitem->SetText(item);
 605     mitem->SetHelp(helpStr);
 606     mitem->SetCheckable(checkable);
 607
 608 #if (GTK_MINOR_VERSION > 0)
 609     /* text has "_" instead of "&" after mitem->SetText() */
 610     wxString text( mitem->GetText() );
 611
 612     /* local buffer in multibyte form */
 613     char buf[200];
 614     strcpy( buf, "/" );
 615     strcat( buf, text.mb_str() );
 616
 617     GtkItemFactoryEntry entry;
 618     entry.path = buf;
 619     entry.callback = (GtkItemFactoryCallback) gtk_menu_clicked_callback;
 620     entry.callback_action = 0;
 621     if (checkable)
 622         entry.item_type = "<CheckItem>";
 623     else
 624         entry.item_type = "<Item>";
 625
 626     entry.accelerator = (gchar*) NULL;
 627     char hotbuf[50];
 628     wxString hotkey( mitem->GetHotKey() );
 629     if (!hotkey.IsEmpty())
 630     {
 631         switch (hotkey[0])
 632         {
 633             case _T('a'):   /* Alt */
 634             case _T('A'):
 635             case _T('m'):   /* Meta */
 636             case _T('M'):
 637             {
 638                strcpy( hotbuf, "<alt>" );
 639                wxString last = hotkey.Right(1);
 640                strcat( hotbuf, last.mb_str() );
 641                entry.accelerator = hotbuf;
 642                break;
 643             }
 644             case _T('c'):    /* Ctrl */
 645             case _T('C'):
 646             case _T('s'):    /* Strg, yeah man, I'm German */
 647             case _T('S'):
 648             {
 649                strcpy( hotbuf, "<control>" );
 650                wxString last = hotkey.Right(1);
 651                strcat( hotbuf, last.mb_str() );
 652                entry.accelerator = hotbuf;
 653                break;
 654             }
 655             default:
 656             {
 657             }
 658         }
 659     }
 660
 661     gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 );  /* what is 2 ? */
 662
 663     /* in order to get the pointer to the item we need the item text _without_ underscores */
 664     wxString s = _T("<main>/");
 665     for ( const wxChar *pc = text; *pc != _T('\0'); pc++ )
 666     {
 667         if (*pc == _T('\t')) break;
 668         if (*pc == _T('_')) pc++; /* skip it */
 669         s << *pc;
 670     }
 671
 672     GtkWidget *menuItem = gtk_item_factory_get_widget( m_factory, s.mb_str() );
 673
 674 #else
 675
 676     GtkWidget *menuItem = checkable ? gtk_check_menu_item_new_with_label( mitem->GetText().mb_str() )
 677                                     : gtk_menu_item_new_with_label( mitem->GetText().mb_str() );
 678
 679     gtk_signal_connect( GTK_OBJECT(menuItem), "activate",
 680                         GTK_SIGNAL_FUNC(gtk_menu_clicked_callback),
 681                         (gpointer)this );
 682
 683     gtk_menu_append( GTK_MENU(m_menu), menuItem );
 684     gtk_widget_show( menuItem );
 685
 686 #endif
 687
 688     gtk_signal_connect( GTK_OBJECT(menuItem), "select",
 689                         GTK_SIGNAL_FUNC(gtk_menu_hilight_callback),
 690                         (gpointer)this );
 691
 692     gtk_signal_connect( GTK_OBJECT(menuItem), "deselect",
 693                         GTK_SIGNAL_FUNC(gtk_menu_nolight_callback),
 694                         (gpointer)this );
 695
 696     mitem->SetMenuItem(menuItem);
 697
 698     m_items.Append( mitem );
 699 }
 700
 701 void wxMenu::Append( int id, const wxString &text, wxMenu *subMenu, const wxString &helpStr )
 702 {
 703     wxMenuItem *mitem = new wxMenuItem();
 704     mitem->SetId(id);
 705     mitem->SetText(text);
 706     mitem->SetHelp(helpStr);
 707
 708     GtkWidget *menuItem = gtk_menu_item_new_with_label(mitem->GetText().mbc_str());
 709     mitem->SetMenuItem(menuItem);
 710     mitem->SetSubMenu(subMenu);
 711
 712     gtk_signal_connect( GTK_OBJECT(menuItem), "select",
 713                         GTK_SIGNAL_FUNC(gtk_menu_hilight_callback),
 714                         (gpointer*)this );
 715
 716     gtk_signal_connect( GTK_OBJECT(menuItem), "deselect",
 717                         GTK_SIGNAL_FUNC(gtk_menu_nolight_callback),
 718                         (gpointer*)this );
 719
 720     gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), subMenu->m_menu );
 721     gtk_menu_append( GTK_MENU(m_menu), menuItem );
 722     gtk_widget_show( menuItem );
 723     m_items.Append( mitem );
 724 }
 725
 726 void wxMenu::Append( wxMenuItem *item )
 727 {
 728     m_items.Append( item );
 729
 730     GtkWidget *menuItem = (GtkWidget*) NULL;
 731
 732     if (item->IsSeparator())
 733         menuItem = gtk_menu_item_new();
 734     else if (item->IsSubMenu())
 735         menuItem = gtk_menu_item_new_with_label(item->GetText().mbc_str());
 736     else
 737         menuItem = item->IsCheckable() ? gtk_check_menu_item_new_with_label(item->GetText().mbc_str())
 738                                        : gtk_menu_item_new_with_label(item->GetText().mbc_str());
 739
 740     if (!item->IsSeparator())
 741     {
 742         gtk_signal_connect( GTK_OBJECT(menuItem), "select",
 743                             GTK_SIGNAL_FUNC(gtk_menu_hilight_callback),
 744                             (gpointer*)this );
 745
 746         gtk_signal_connect( GTK_OBJECT(menuItem), "deselect",
 747                             GTK_SIGNAL_FUNC(gtk_menu_nolight_callback),
 748                             (gpointer*)this );
 749
 750         if (!item->IsSubMenu())
 751         {
 752             gtk_signal_connect( GTK_OBJECT(menuItem), "activate",
 753                                 GTK_SIGNAL_FUNC(gtk_menu_clicked_callback),
 754                                 (gpointer*)this );
 755         }
 756     }
 757
 758     gtk_menu_append( GTK_MENU(m_menu), menuItem );
 759     gtk_widget_show( menuItem );
 760     item->SetMenuItem(menuItem);
 761 }
 762
 763 int wxMenu::FindItem( const wxString itemString ) const
 764 {
 765     wxString s = _T("");
 766     for ( const wxChar *pc = itemString; *pc != _T('\0'); pc++ )
 767     {
 768         if (*pc == _T('&'))
 769         {
 770             pc++; /* skip it */
 771 #if (GTK_MINOR_VERSION > 0)
 772             s << _T('_');
 773 #endif
 774         }
 775         s << *pc;
 776     }
 777
 778     wxNode *node = m_items.First();
 779     while (node)
 780     {
 781         wxMenuItem *item = (wxMenuItem*)node->Data();
 782         if (item->GetText() == s)
 783         {
 784             return item->GetId();
 785         }
 786         node = node->Next();
 787     }
 788
 789     return wxNOT_FOUND;
 790 }
 791
 792 void wxMenu::Enable( int id, bool enable )
 793 {
 794     wxMenuItem *item = FindItem(id);
 795
 796     wxCHECK_RET( item, _T("wxMenu::Enable: no such item") );
 797
 798     item->Enable(enable);
 799 }
 800
 801 bool wxMenu::IsEnabled( int id ) const
 802 {
 803     wxMenuItem *item = FindItem(id);
 804
 805     wxCHECK_MSG( item, FALSE, _T("wxMenu::IsEnabled: no such item") );
 806
 807     return item->IsEnabled();
 808 }
 809
 810 void wxMenu::Check( int id, bool enable )
 811 {
 812     wxMenuItem *item = FindItem(id);
 813
 814     wxCHECK_RET( item, _T("wxMenu::Check: no such item") );
 815
 816     item->Check(enable);
 817 }
 818
 819 bool wxMenu::IsChecked( int id ) const
 820 {
 821     wxMenuItem *item = FindItem(id);
 822
 823     wxCHECK_MSG( item, FALSE, _T("wxMenu::IsChecked: no such item") );
 824
 825     return item->IsChecked();
 826 }
 827
 828 void wxMenu::SetLabel( int id, const wxString &label )
 829 {
 830     wxMenuItem *item = FindItem(id);
 831
 832     wxCHECK_RET( item, _T("wxMenu::SetLabel: no such item") );
 833
 834     item->SetText(label);
 835 }
 836
 837 wxString wxMenu::GetLabel( int id ) const
 838 {
 839     wxMenuItem *item = FindItem(id);
 840
 841     wxCHECK_MSG( item, _T(""), _T("wxMenu::GetLabel: no such item") );
 842
 843     return item->GetText();
 844 }
 845
 846 void wxMenu::SetHelpString( int id, const wxString& helpString )
 847 {
 848     wxMenuItem *item = FindItem(id);
 849
 850     wxCHECK_RET( item, _T("wxMenu::SetHelpString: no such item") );
 851
 852     item->SetHelp( helpString );
 853 }
 854
 855 wxString wxMenu::GetHelpString( int id ) const
 856 {
 857     wxMenuItem *item = FindItem(id);
 858
 859     wxCHECK_MSG( item, _T(""), _T("wxMenu::GetHelpString: no such item") );
 860
 861     return item->GetHelp();
 862 }
 863
 864 int wxMenu::FindMenuIdByMenuItem( GtkWidget *menuItem ) const
 865 {
 866     wxNode *node = m_items.First();
 867     while (node)
 868     {
 869         wxMenuItem *item = (wxMenuItem*)node->Data();
 870         if (item->GetMenuItem() == menuItem)
 871            return item->GetId();
 872         node = node->Next();
 873     }
 874
 875     return wxNOT_FOUND;
 876 }
 877
 878 wxMenuItem *wxMenu::FindItem(int id) const
 879 {
 880     wxNode *node = m_items.First();
 881     while (node)
 882     {
 883         wxMenuItem *item = (wxMenuItem*)node->Data();
 884         if (item->GetId() == id)
 885         {
 886             return item;
 887         }
 888         node = node->Next();
 889     }
 890
 891     /* Not finding anything here can be correct
 892      * when search the entire menu system for
 893      * an entry -> no error message. */
 894
 895     return (wxMenuItem *) NULL;
 896 }
 897
 898 void wxMenu::SetInvokingWindow( wxWindow *win )
 899 {
 900     m_invokingWindow = win;
 901 }
 902
 903 wxWindow *wxMenu::GetInvokingWindow()
 904 {
 905     return m_invokingWindow;
 906 }
 907
 908 // Update a menu and all submenus recursively. source is the object that has
 909 // the update event handlers defined for it. If NULL, the menu or associated
 910 // window will be used.
 911 void wxMenu::UpdateUI(wxEvtHandler* source)
 912 {
 913   if (!source && GetInvokingWindow())
 914     source = GetInvokingWindow()->GetEventHandler();
 915   if (!source)
 916     source = GetEventHandler();
 917   if (!source)
 918     source = this;
 919
 920   wxNode* node = GetItems().First();
 921   while (node)
 922   {
 923     wxMenuItem* item = (wxMenuItem*) node->Data();
 924     if ( !item->IsSeparator() )
 925     {
 926       wxWindowID id = item->GetId();
 927       wxUpdateUIEvent event(id);
 928       event.SetEventObject( source );
 929
 930       if (source->ProcessEvent(event))
 931       {
 932         if (event.GetSetText())
 933           SetLabel(id, event.GetText());
 934         if (event.GetSetChecked())
 935           Check(id, event.GetChecked());
 936         if (event.GetSetEnabled())
 937           Enable(id, event.GetEnabled());
 938       }
 939
 940       if (item->GetSubMenu())
 941         item->GetSubMenu()->UpdateUI(source);
 942     }
 943     node = node->Next();
 944   }
 945 }
 946