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/log.h"
  16 #include "wx/intl.h"
  17 #include "wx/app.h"
  18 #include "wx/menu.h"
  19
  20 #if wxUSE_ACCEL
  21     #include "wx/accel.h"
  22 #endif // wxUSE_ACCEL
  23
  24 #include "gdk/gdk.h"
  25 #include "gtk/gtk.h"
  26
  27 //-----------------------------------------------------------------------------
  28 // idle system
  29 //-----------------------------------------------------------------------------
  30
  31 extern void wxapp_install_idle_handler();
  32 extern bool g_isIdle;
  33
  34 #if (GTK_MINOR_VERSION > 0) && wxUSE_ACCEL
  35 static wxString GetHotKey( const wxMenuItem& item );
  36 #endif
  37
  38 //-----------------------------------------------------------------------------
  39 // wxMenuBar
  40 //-----------------------------------------------------------------------------
  41
  42 IMPLEMENT_DYNAMIC_CLASS(wxMenuBar,wxWindow)
  43
  44 wxMenuBar::wxMenuBar( long style )
  45 {
  46     /* the parent window is known after wxFrame::SetMenu() */
  47     m_needParent = FALSE;
  48     m_style = style;
  49     m_invokingWindow = (wxWindow*) NULL;
  50
  51     if (!PreCreation( (wxWindow*) NULL, wxDefaultPosition, wxDefaultSize ) ||
  52         !CreateBase( (wxWindow*) NULL, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("menubar") ))
  53     {
  54         wxFAIL_MSG( wxT("wxMenuBar creation failed") );
  55         return;
  56     }
  57
  58     m_menus.DeleteContents( TRUE );
  59
  60     /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
  61 #if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
  62     m_accel = gtk_accel_group_new();
  63     m_factory = gtk_item_factory_new( GTK_TYPE_MENU_BAR, "<main>", m_accel );
  64     m_menubar = gtk_item_factory_get_widget( m_factory, "<main>" );
  65 #else
  66     m_menubar = gtk_menu_bar_new();
  67 #endif
  68
  69     if (style & wxMB_DOCKABLE)
  70     {
  71         m_widget = gtk_handle_box_new();
  72         gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_menubar) );
  73         gtk_widget_show( GTK_WIDGET(m_menubar) );
  74     }
  75     else
  76     {
  77         m_widget = GTK_WIDGET(m_menubar);
  78     }
  79
  80     PostCreation();
  81 }
  82
  83 wxMenuBar::wxMenuBar()
  84 {
  85     /* the parent window is known after wxFrame::SetMenu() */
  86     m_needParent = FALSE;
  87     m_style = 0;
  88     m_invokingWindow = (wxWindow*) NULL;
  89
  90     if (!PreCreation( (wxWindow*) NULL, wxDefaultPosition, wxDefaultSize ) ||
  91         !CreateBase( (wxWindow*) NULL, -1, wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator, wxT("menubar") ))
  92     {
  93         wxFAIL_MSG( wxT("wxMenuBar creation failed") );
  94         return;
  95     }
  96
  97     m_menus.DeleteContents( TRUE );
  98
  99     /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
 100 #if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
 101     m_accel = gtk_accel_group_new();
 102     m_factory = gtk_item_factory_new( GTK_TYPE_MENU_BAR, "<main>", m_accel );
 103     m_menubar = gtk_item_factory_get_widget( m_factory, "<main>" );
 104 #else
 105     m_menubar = gtk_menu_bar_new();
 106 #endif
 107
 108     m_widget = GTK_WIDGET(m_menubar);
 109
 110     PostCreation();
 111 }
 112
 113 wxMenuBar::~wxMenuBar()
 114 {
 115 //    gtk_object_unref( GTK_OBJECT(m_factory) );  why not ?
 116 }
 117
 118 static void wxMenubarUnsetInvokingWindow( wxMenu *menu, wxWindow *win )
 119 {
 120     menu->SetInvokingWindow( (wxWindow*) NULL );
 121
 122 #if (GTK_MINOR_VERSION > 0)
 123     wxWindow *top_frame = win;
 124     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 125         top_frame = top_frame->GetParent();
 126
 127     /* support for native hot keys  */
 128     gtk_accel_group_detach( menu->m_accel, GTK_OBJECT(top_frame->m_widget) );
 129 #endif
 130
 131     wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
 132     while (node)
 133     {
 134         wxMenuItem *menuitem = node->GetData();
 135         if (menuitem->IsSubMenu())
 136             wxMenubarUnsetInvokingWindow( menuitem->GetSubMenu(), win );
 137         node = node->GetNext();
 138     }
 139 }
 140
 141 static void wxMenubarSetInvokingWindow( wxMenu *menu, wxWindow *win )
 142 {
 143     menu->SetInvokingWindow( win );
 144
 145 #if (GTK_MINOR_VERSION > 0)
 146     wxWindow *top_frame = win;
 147     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 148         top_frame = top_frame->GetParent();
 149
 150     /* support for native hot keys  */
 151     gtk_accel_group_attach( menu->m_accel, GTK_OBJECT(top_frame->m_widget) );
 152 #endif
 153
 154     wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
 155     while (node)
 156     {
 157         wxMenuItem *menuitem = node->GetData();
 158         if (menuitem->IsSubMenu())
 159             wxMenubarSetInvokingWindow( menuitem->GetSubMenu(), win );
 160         node = node->GetNext();
 161     }
 162 }
 163
 164 void wxMenuBar::SetInvokingWindow( wxWindow *win )
 165 {
 166     m_invokingWindow = win;
 167 #if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
 168     wxWindow *top_frame = win;
 169     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 170         top_frame = top_frame->GetParent();
 171
 172     /* support for native key accelerators indicated by underscroes */
 173     gtk_accel_group_attach( m_accel, GTK_OBJECT(top_frame->m_widget) );
 174 #endif
 175
 176     wxMenuList::Node *node = m_menus.GetFirst();
 177     while (node)
 178     {
 179         wxMenu *menu = node->GetData();
 180         wxMenubarSetInvokingWindow( menu, win );
 181         node = node->GetNext();
 182     }
 183 }
 184
 185 void wxMenuBar::UnsetInvokingWindow( wxWindow *win )
 186 {
 187     m_invokingWindow = (wxWindow*) NULL;
 188 #if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
 189     wxWindow *top_frame = win;
 190     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 191         top_frame = top_frame->GetParent();
 192
 193     /* support for native key accelerators indicated by underscroes */
 194     gtk_accel_group_detach( m_accel, GTK_OBJECT(top_frame->m_widget) );
 195 #endif
 196
 197     wxMenuList::Node *node = m_menus.GetFirst();
 198     while (node)
 199     {
 200         wxMenu *menu = node->GetData();
 201         wxMenubarUnsetInvokingWindow( menu, win );
 202         node = node->GetNext();
 203     }
 204 }
 205
 206 bool wxMenuBar::Append( wxMenu *menu, const wxString &title )
 207 {
 208     m_menus.Append( menu );
 209
 210     const wxChar *pc;
 211
 212     /* GTK 1.2 wants to have "_" instead of "&" for accelerators */
 213     wxString str;
 214     for ( pc = title; *pc != wxT('\0'); pc++ )
 215     {
 216         if (*pc == wxT('&'))
 217         {
 218 #if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
 219             str << wxT('_');
 220         }
 221         else if (*pc == wxT('/'))
 222         {
 223             str << wxT('\\');
 224 #endif
 225         }
 226         else
 227         {
 228 #if __WXGTK12__
 229             if ( *pc == wxT('_') )
 230             {
 231                 // underscores must be doubled to prevent them from being
 232                 // interpreted as accelerator character prefix by GTK
 233                 str << *pc;
 234             }
 235 #endif // GTK+ 1.2
 236
 237             str << *pc;
 238         }
 239     }
 240
 241     /* this doesn't have much effect right now */
 242     menu->SetTitle( str );
 243
 244     /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
 245 #if (GTK_MINOR_VERSION > 0) && (GTK_MICRO_VERSION > 0)
 246
 247     /* local buffer in multibyte form */
 248     wxString buf;
 249     buf << wxT('/') << str.c_str();
 250
 251     char *cbuf = new char[buf.Length()+1];
 252     strcpy(cbuf, buf.mbc_str());
 253
 254     GtkItemFactoryEntry entry;
 255     entry.path = (gchar *)cbuf;  // const_cast
 256     entry.accelerator = (gchar*) NULL;
 257     entry.callback = (GtkItemFactoryCallback) NULL;
 258     entry.callback_action = 0;
 259     entry.item_type = "<Branch>";
 260
 261     gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 );  /* what is 2 ? */
 262     /* in order to get the pointer to the item we need the item text _without_ underscores */
 263     wxString tmp = wxT("<main>/");
 264     for ( pc = str; *pc != wxT('\0'); pc++ )
 265     {
 266        // contrary to the common sense, we must throw out _all_ underscores,
 267        // (i.e. "Hello__World" => "HelloWorld" and not "Hello_World" as we
 268        // might naively think). IMHO it's a bug in GTK+ (VZ)
 269        while (*pc == wxT('_'))
 270            pc++;
 271        tmp << *pc;
 272     }
 273     menu->m_owner = gtk_item_factory_get_item( m_factory, tmp.mb_str() );
 274     gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
 275     delete [] cbuf;
 276 #else
 277
 278     menu->m_owner = gtk_menu_item_new_with_label( str.mb_str() );
 279     gtk_widget_show( menu->m_owner );
 280     gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
 281
 282     gtk_menu_bar_append( GTK_MENU_BAR(m_menubar), menu->m_owner );
 283
 284 #endif
 285
 286     // m_invokingWindow is set after wxFrame::SetMenuBar(). This call enables
 287     // adding menu later on.
 288     if (m_invokingWindow)
 289         wxMenubarSetInvokingWindow( menu, m_invokingWindow );
 290
 291     return TRUE;
 292 }
 293
 294 bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
 295 {
 296     if ( !wxMenuBarBase::Insert(pos, menu, title) )
 297         return FALSE;
 298
 299     wxFAIL_MSG(wxT("TODO"));
 300
 301     return FALSE;
 302 }
 303
 304 wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
 305 {
 306     if ( !wxMenuBarBase::Replace(pos, menu, title) )
 307         return FALSE;
 308
 309     wxFAIL_MSG(wxT("TODO"));
 310
 311     return NULL;
 312 }
 313
 314 wxMenu *wxMenuBar::Remove(size_t pos)
 315 {
 316     if ( !wxMenuBarBase::Remove(pos) )
 317         return FALSE;
 318
 319     wxFAIL_MSG(wxT("TODO"));
 320
 321     return NULL;
 322 }
 323
 324 static int FindMenuItemRecursive( const wxMenu *menu, const wxString &menuString, const wxString &itemString )
 325 {
 326     if (menu->GetTitle() == menuString)
 327     {
 328         int res = menu->FindItem( itemString );
 329         if (res != wxNOT_FOUND)
 330             return res;
 331     }
 332
 333     wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
 334     while (node)
 335     {
 336         wxMenuItem *item = node->GetData();
 337         if (item->IsSubMenu())
 338             return FindMenuItemRecursive(item->GetSubMenu(), menuString, itemString);
 339
 340         node = node->GetNext();
 341     }
 342
 343     return wxNOT_FOUND;
 344 }
 345
 346 int wxMenuBar::FindMenuItem( const wxString &menuString, const wxString &itemString ) const
 347 {
 348     wxMenuList::Node *node = m_menus.GetFirst();
 349     while (node)
 350     {
 351         wxMenu *menu = node->GetData();
 352         int res = FindMenuItemRecursive( menu, menuString, itemString);
 353         if (res != -1)
 354             return res;
 355         node = node->GetNext();
 356     }
 357
 358     return wxNOT_FOUND;
 359 }
 360
 361 // Find a wxMenuItem using its id. Recurses down into sub-menus
 362 static wxMenuItem* FindMenuItemByIdRecursive(const wxMenu* menu, int id)
 363 {
 364     wxMenuItem* result = menu->FindChildItem(id);
 365
 366     wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
 367     while ( node && result == NULL )
 368     {
 369         wxMenuItem *item = node->GetData();
 370         if (item->IsSubMenu())
 371         {
 372             result = FindMenuItemByIdRecursive( item->GetSubMenu(), id );
 373         }
 374         node = node->GetNext();
 375     }
 376
 377     return result;
 378 }
 379
 380 wxMenuItem* wxMenuBar::FindItem( int id, wxMenu **menuForItem ) const
 381 {
 382     wxMenuItem* result = 0;
 383     wxMenuList::Node *node = m_menus.GetFirst();
 384     while (node && result == 0)
 385     {
 386         wxMenu *menu = node->GetData();
 387         result = FindMenuItemByIdRecursive( menu, id );
 388         node = node->GetNext();
 389     }
 390
 391     if ( menuForItem )
 392     {
 393         *menuForItem = result ? result->GetMenu() : (wxMenu *)NULL;
 394     }
 395
 396     return result;
 397 }
 398
 399 void wxMenuBar::EnableTop( size_t pos, bool flag )
 400 {
 401     wxMenuList::Node *node = m_menus.Item( pos );
 402
 403     wxCHECK_RET( node, wxT("menu not found") );
 404
 405     wxMenu* menu = node->GetData();
 406
 407     if (menu->m_owner)
 408         gtk_widget_set_sensitive( menu->m_owner, flag );
 409 }
 410
 411 wxString wxMenuBar::GetLabelTop( size_t pos ) const
 412 {
 413     wxMenuList::Node *node = m_menus.Item( pos );
 414
 415     wxCHECK_MSG( node, wxT("invalid"), wxT("menu not found") );
 416
 417     wxMenu* menu = node->GetData();
 418
 419     return menu->GetTitle();
 420 }
 421
 422 void wxMenuBar::SetLabelTop( size_t pos, const wxString& label )
 423 {
 424     wxMenuList::Node *node = m_menus.Item( pos );
 425
 426     wxCHECK_RET( node, wxT("menu not found") );
 427
 428     wxMenu* menu = node->GetData();
 429
 430     menu->SetTitle( label );
 431 }
 432
 433 //-----------------------------------------------------------------------------
 434 // "activate"
 435 //-----------------------------------------------------------------------------
 436
 437 static void gtk_menu_clicked_callback( GtkWidget *widget, wxMenu *menu )
 438 {
 439     if (g_isIdle) wxapp_install_idle_handler();
 440
 441     int id = menu->FindMenuIdByMenuItem(widget);
 442
 443     /* should find it for normal (not popup) menu */
 444     wxASSERT( (id != -1) || (menu->GetInvokingWindow() != NULL) );
 445
 446     if (!menu->IsEnabled(id))
 447         return;
 448
 449     wxMenuItem* item = menu->FindChildItem( id );
 450     wxCHECK_RET( item, wxT("error in menu item callback") );
 451
 452     if (item->IsCheckable())
 453     {
 454         bool isReallyChecked = item->IsChecked();
 455         if ( item->wxMenuItemBase::IsChecked() == isReallyChecked )
 456         {
 457             /* the menu item has been checked by calling wxMenuItem->Check() */
 458             return;
 459         }
 460         else
 461         {
 462             /* the user pressed on the menu item -> report and make consistent
 463              * again */
 464             item->wxMenuItemBase::Check(isReallyChecked);
 465         }
 466     }
 467
 468     wxCommandEvent event( wxEVT_COMMAND_MENU_SELECTED, id );
 469     event.SetEventObject( menu );
 470     event.SetInt(id );
 471
 472 #if wxUSE_MENU_CALLBACK
 473     if (menu->GetCallback())
 474     {
 475         (void) (*(menu->GetCallback())) (*menu, event);
 476         return;
 477     }
 478 #endif // wxUSE_MENU_CALLBACK
 479
 480     if (menu->GetEventHandler()->ProcessEvent(event))
 481         return;
 482
 483     wxWindow *win = menu->GetInvokingWindow();
 484     if (win)
 485         win->GetEventHandler()->ProcessEvent( event );
 486 }
 487
 488 //-----------------------------------------------------------------------------
 489 // "select"
 490 //-----------------------------------------------------------------------------
 491
 492 static void gtk_menu_hilight_callback( GtkWidget *widget, wxMenu *menu )
 493 {
 494     if (g_isIdle) wxapp_install_idle_handler();
 495
 496     int id = menu->FindMenuIdByMenuItem(widget);
 497
 498     wxASSERT( id != -1 ); // should find it!
 499
 500     if (!menu->IsEnabled(id))
 501         return;
 502
 503     wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, id );
 504     event.SetEventObject( menu );
 505
 506     if (menu->GetEventHandler()->ProcessEvent(event))
 507         return;
 508
 509     wxWindow *win = menu->GetInvokingWindow();
 510     if (win) win->GetEventHandler()->ProcessEvent( event );
 511 }
 512
 513 //-----------------------------------------------------------------------------
 514 // "deselect"
 515 //-----------------------------------------------------------------------------
 516
 517 static void gtk_menu_nolight_callback( GtkWidget *widget, wxMenu *menu )
 518 {
 519     if (g_isIdle) wxapp_install_idle_handler();
 520
 521     int id = menu->FindMenuIdByMenuItem(widget);
 522
 523     wxASSERT( id != -1 ); // should find it!
 524
 525     if (!menu->IsEnabled(id))
 526         return;
 527
 528     wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, -1 );
 529     event.SetEventObject( menu );
 530
 531     if (menu->GetEventHandler()->ProcessEvent(event))
 532         return;
 533
 534     wxWindow *win = menu->GetInvokingWindow();
 535     if (win)
 536         win->GetEventHandler()->ProcessEvent( event );
 537 }
 538
 539 //-----------------------------------------------------------------------------
 540 // wxMenuItem
 541 //-----------------------------------------------------------------------------
 542
 543 IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxMenuItemBase)
 544
 545 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
 546                                 int id,
 547                                 const wxString& name,
 548                                 const wxString& help,
 549                                 bool isCheckable,
 550                                 wxMenu *subMenu)
 551 {
 552     return new wxMenuItem(parentMenu, id, name, help, isCheckable, subMenu);
 553 }
 554
 555 wxMenuItem::wxMenuItem(wxMenu *parentMenu,
 556                        int id,
 557                        const wxString& text,
 558                        const wxString& help,
 559                        bool isCheckable,
 560                        wxMenu *subMenu)
 561 {
 562     m_id = id;
 563     m_isCheckable = isCheckable;
 564     m_isChecked = FALSE;
 565     m_isEnabled = TRUE;
 566     m_subMenu = subMenu;
 567     m_parentMenu = parentMenu;
 568     m_help = help;
 569
 570     m_menuItem = (GtkWidget *) NULL;
 571
 572     DoSetText(text);
 573 }
 574
 575 wxMenuItem::~wxMenuItem()
 576 {
 577    // don't delete menu items, the menus take care of that
 578 }
 579
 580 // return the menu item text without any menu accels
 581 wxString wxMenuItem::GetLabel() const
 582 {
 583     wxString label;
 584 #if (GTK_MINOR_VERSION > 0)
 585     for ( const wxChar *pc = m_text.c_str(); *pc; pc++ )
 586     {
 587         if ( *pc == wxT('_') )
 588         {
 589             // this is the escape character for GTK+ - skip it
 590             continue;
 591         }
 592
 593         label += *pc;
 594     }
 595 #else // GTK+ 1.0
 596     label = m_text;
 597 #endif // GTK+ 1.2/1.0
 598
 599     return label;
 600 }
 601
 602 void wxMenuItem::SetText( const wxString& str )
 603 {
 604     DoSetText(str);
 605
 606     if (m_menuItem)
 607     {
 608         GtkLabel *label = GTK_LABEL( GTK_BIN(m_menuItem)->child );
 609
 610         /* set new text */
 611         gtk_label_set( label, m_text.mb_str());
 612
 613         /* reparse key accel */
 614         (void)gtk_label_parse_uline (GTK_LABEL(label), m_text.mb_str() );
 615         gtk_accel_label_refetch( GTK_ACCEL_LABEL(label) );
 616     }
 617 }
 618
 619 // it's valid for this function to be called even if m_menuItem == NULL
 620 void wxMenuItem::DoSetText( const wxString& str )
 621 {
 622     /* '\t' is the deliminator indicating a hot key */
 623     m_text.Empty();
 624     const wxChar *pc = str;
 625     for (; (*pc != wxT('\0')) && (*pc != wxT('\t')); pc++ )
 626     {
 627         if (*pc == wxT('&'))
 628         {
 629 #if (GTK_MINOR_VERSION > 0)
 630             m_text << wxT('_');
 631         }
 632         else if ( *pc == wxT('_') )    // escape underscores
 633         {
 634             m_text << wxT("__");
 635         }
 636         else if (*pc == wxT('/'))      /* we have to filter out slashes ... */
 637         {
 638             m_text << wxT('\\');  /* ... and replace them with back slashes */
 639 #endif
 640         }
 641         else
 642             m_text << *pc;
 643     }
 644
 645     /* only GTK 1.2 knows about hot keys */
 646     m_hotKey = wxT("");
 647 #if (GTK_MINOR_VERSION > 0)
 648     if(*pc == wxT('\t'))
 649     {
 650        pc++;
 651        m_hotKey = pc;
 652     }
 653 #endif
 654 }
 655
 656 #if wxUSE_ACCEL
 657
 658 wxAcceleratorEntry *wxMenuItem::GetAccel() const
 659 {
 660     if ( !GetHotKey() )
 661     {
 662         // nothing
 663         return (wxAcceleratorEntry *)NULL;
 664     }
 665
 666     // as wxGetAccelFromString() looks for TAB, insert a dummy one here
 667     wxString label;
 668     label << wxT('\t') << GetHotKey();
 669
 670     return wxGetAccelFromString(label);
 671 }
 672
 673 #endif // wxUSE_ACCEL
 674
 675 void wxMenuItem::Check( bool check )
 676 {
 677     wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
 678
 679     wxCHECK_RET( IsCheckable(), wxT("Can't check uncheckable item!") )
 680
 681     if (check == m_isChecked)
 682         return;
 683
 684     wxMenuItemBase::Check( check );
 685     gtk_check_menu_item_set_state( (GtkCheckMenuItem*)m_menuItem, (gint)check );
 686 }
 687
 688 void wxMenuItem::Enable( bool enable )
 689 {
 690     wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
 691
 692     gtk_widget_set_sensitive( m_menuItem, enable );
 693     wxMenuItemBase::Enable( enable );
 694 }
 695
 696 bool wxMenuItem::IsChecked() const
 697 {
 698     wxCHECK_MSG( m_menuItem, FALSE, wxT("invalid menu item") );
 699
 700     wxCHECK_MSG( IsCheckable(), FALSE,
 701                  wxT("can't get state of uncheckable item!") );
 702
 703     return ((GtkCheckMenuItem*)m_menuItem)->active != 0;
 704 }
 705
 706 wxString wxMenuItem::GetFactoryPath() const
 707 {
 708     /* in order to get the pointer to the item we need the item text _without_ underscores */
 709     wxString path( wxT("<main>/") );
 710     path += GetLabel();
 711
 712     return path;
 713 }
 714
 715 //-----------------------------------------------------------------------------
 716 // wxMenu
 717 //-----------------------------------------------------------------------------
 718
 719 IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler)
 720
 721 void wxMenu::Init()
 722 {
 723 #if (GTK_MINOR_VERSION > 0)
 724     m_accel = gtk_accel_group_new();
 725     m_factory = gtk_item_factory_new( GTK_TYPE_MENU, "<main>", m_accel );
 726     m_menu = gtk_item_factory_get_widget( m_factory, "<main>" );
 727 #else
 728     m_menu = gtk_menu_new();  // Do not show!
 729 #endif
 730
 731     m_owner = (GtkWidget*) NULL;
 732
 733 #if (GTK_MINOR_VERSION > 0)
 734     /* Tearoffs are entries, just like separators. So if we want this
 735        menu to be a tear-off one, we just append a tearoff entry
 736        immediately. */
 737     if(m_style & wxMENU_TEAROFF)
 738     {
 739        GtkItemFactoryEntry entry;
 740        entry.path = "/tearoff";
 741        entry.callback = (GtkItemFactoryCallback) NULL;
 742        entry.callback_action = 0;
 743        entry.item_type = "<Tearoff>";
 744        entry.accelerator = (gchar*) NULL;
 745        gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 );  /* what is 2 ? */
 746        //GtkWidget *menuItem = gtk_item_factory_get_widget( m_factory, "<main>/tearoff" );
 747     }
 748 #endif
 749
 750     // append the title as the very first entry if we have it
 751     if ( !!m_title )
 752     {
 753         Append(-2, m_title);
 754         AppendSeparator();
 755     }
 756 }
 757
 758 wxMenu::~wxMenu()
 759 {
 760    m_items.Clear();
 761
 762    gtk_widget_destroy( m_menu );
 763
 764    gtk_object_unref( GTK_OBJECT(m_factory) );
 765 }
 766
 767 bool wxMenu::DoAppend(wxMenuItem *mitem)
 768 {
 769     GtkWidget *menuItem;
 770
 771     if ( mitem->IsSeparator() )
 772     {
 773 #if (GTK_MINOR_VERSION > 0)
 774         GtkItemFactoryEntry entry;
 775         entry.path = "/sep";
 776         entry.callback = (GtkItemFactoryCallback) NULL;
 777         entry.callback_action = 0;
 778         entry.item_type = "<Separator>";
 779         entry.accelerator = (gchar*) NULL;
 780
 781         gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 );  /* what is 2 ? */
 782
 783         /* this will be wrong for more than one separator. do we care? */
 784         menuItem = gtk_item_factory_get_widget( m_factory, "<main>/sep" );
 785 #else // GTK+ 1.0
 786         menuItem = gtk_menu_item_new();
 787 #endif // GTK 1.2/1.0
 788     }
 789     else if ( mitem->IsSubMenu() )
 790     {
 791 #if (GTK_MINOR_VERSION > 0)
 792         /* text has "_" instead of "&" after mitem->SetText() */
 793         wxString text( mitem->GetText() );
 794
 795         /* local buffer in multibyte form */
 796         char buf[200];
 797         strcpy( buf, "/" );
 798         strcat( buf, text.mb_str() );
 799
 800         GtkItemFactoryEntry entry;
 801         entry.path = buf;
 802         entry.callback = (GtkItemFactoryCallback) 0;
 803         entry.callback_action = 0;
 804         entry.item_type = "<Branch>";
 805         entry.accelerator = (gchar*) NULL;
 806
 807         gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 );  /* what is 2 ? */
 808
 809         wxString path( mitem->GetFactoryPath() );
 810         menuItem = gtk_item_factory_get_item( m_factory, path.mb_str() );
 811 #else // GTK+ 1.0
 812         menuItem = gtk_menu_item_new_with_label(mitem->GetText().mbc_str());
 813 #endif // GTK 1.2/1.0
 814
 815         gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), mitem->GetSubMenu()->m_menu );
 816     }
 817     else // a normal item
 818     {
 819 #if (GTK_MINOR_VERSION > 0)
 820         /* text has "_" instead of "&" after mitem->SetText() */
 821         wxString text( mitem->GetText() );
 822
 823         /* local buffer in multibyte form */
 824         char buf[200];
 825         strcpy( buf, "/" );
 826         strcat( buf, text.mb_str() );
 827
 828         GtkItemFactoryEntry entry;
 829         entry.path = buf;
 830         entry.callback = (GtkItemFactoryCallback) gtk_menu_clicked_callback;
 831         entry.callback_action = 0;
 832         if ( mitem->IsCheckable() )
 833             entry.item_type = "<CheckItem>";
 834         else
 835             entry.item_type = "<Item>";
 836         entry.accelerator = (gchar*) NULL;
 837
 838 #if wxUSE_ACCEL
 839         // due to an apparent bug in GTK+, we have to use a static buffer here -
 840         // otherwise GTK+ 1.2.2 manages to override the memory we pass to it
 841         // somehow! (VZ)
 842         static char s_accel[32]; // must be big enough for <control><alt><shift>F12
 843         strncpy(s_accel, GetHotKey(*mitem).mb_str(), WXSIZEOF(s_accel));
 844         entry.accelerator = s_accel;
 845 #else // !wxUSE_ACCEL
 846         entry.accelerator = (char*) NULL;
 847 #endif // wxUSE_ACCEL/!wxUSE_ACCEL
 848
 849         gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 );  /* what is 2 ? */
 850
 851         wxString path( mitem->GetFactoryPath() );
 852         menuItem = gtk_item_factory_get_widget( m_factory, path.mb_str() );
 853 #else // GTK+ 1.0
 854         menuItem = checkable ? gtk_check_menu_item_new_with_label( mitem->GetText().mb_str() )
 855                              : gtk_menu_item_new_with_label( mitem->GetText().mb_str() );
 856
 857         gtk_signal_connect( GTK_OBJECT(menuItem), "activate",
 858                             GTK_SIGNAL_FUNC(gtk_menu_clicked_callback),
 859                             (gpointer)this );
 860 #endif // GTK+ 1.2/1.0
 861     }
 862
 863     if ( !mitem->IsSeparator() )
 864     {
 865         gtk_signal_connect( GTK_OBJECT(menuItem), "select",
 866                             GTK_SIGNAL_FUNC(gtk_menu_hilight_callback),
 867                             (gpointer)this );
 868
 869         gtk_signal_connect( GTK_OBJECT(menuItem), "deselect",
 870                             GTK_SIGNAL_FUNC(gtk_menu_nolight_callback),
 871                             (gpointer)this );
 872     }
 873
 874 #if GTK_MINOR_VERSION == 0
 875     gtk_menu_append( GTK_MENU(m_menu), menuItem );
 876     gtk_widget_show( menuItem );
 877 #endif // GTK+ 1.0
 878
 879     mitem->SetMenuItem(menuItem);
 880
 881     return wxMenuBase::DoAppend(mitem);
 882 }
 883
 884 // VZ: this seems to be GTK+ 1.0 only code, I don't understand why there were
 885 //     both specialized versions of Append() and this one before my changes,
 886 //     but it seems that the others are better...
 887 #if 0
 888 void wxMenu::Append( wxMenuItem *item )
 889 {
 890     GtkWidget *menuItem = (GtkWidget*) NULL;
 891
 892     if (item->IsSeparator())
 893         menuItem = gtk_menu_item_new();
 894     else if (item->IsSubMenu())
 895         menuItem = gtk_menu_item_new_with_label(item->GetText().mbc_str());
 896     else
 897         menuItem = item->IsCheckable() ? gtk_check_menu_item_new_with_label(item->GetText().mbc_str())
 898                                        : gtk_menu_item_new_with_label(item->GetText().mbc_str());
 899
 900     if (!item->IsSeparator())
 901     {
 902         gtk_signal_connect( GTK_OBJECT(menuItem), "select",
 903                             GTK_SIGNAL_FUNC(gtk_menu_hilight_callback),
 904                             (gpointer*)this );
 905
 906         gtk_signal_connect( GTK_OBJECT(menuItem), "deselect",
 907                             GTK_SIGNAL_FUNC(gtk_menu_nolight_callback),
 908                             (gpointer*)this );
 909
 910         if (!item->IsSubMenu())
 911         {
 912             gtk_signal_connect( GTK_OBJECT(menuItem), "activate",
 913                                 GTK_SIGNAL_FUNC(gtk_menu_clicked_callback),
 914                                 (gpointer*)this );
 915         }
 916     }
 917
 918     gtk_menu_append( GTK_MENU(m_menu), menuItem );
 919     gtk_widget_show( menuItem );
 920
 921     item->SetMenuItem(menuItem);
 922 }
 923 #endif // 0
 924
 925 bool wxMenu::DoInsert(size_t pos, wxMenuItem *item)
 926 {
 927     if ( !wxMenuBase::DoInsert(pos, item) )
 928         return FALSE;
 929
 930     wxFAIL_MSG(wxT("not implemented"));
 931
 932     return FALSE;
 933 }
 934
 935 wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
 936 {
 937     if ( !wxMenuBase::DoRemove(item) )
 938         return (wxMenuItem *)NULL;
 939
 940     // TODO: this code doesn't delete the item factory item and this seems
 941     //       impossible as of GTK 1.2.6.
 942     gtk_widget_destroy( item->GetMenuItem() );
 943
 944     return item;
 945 }
 946
 947 int wxMenu::FindMenuIdByMenuItem( GtkWidget *menuItem ) const
 948 {
 949     wxNode *node = m_items.First();
 950     while (node)
 951     {
 952         wxMenuItem *item = (wxMenuItem*)node->Data();
 953         if (item->GetMenuItem() == menuItem)
 954            return item->GetId();
 955         node = node->Next();
 956     }
 957
 958     return wxNOT_FOUND;
 959 }
 960
 961 // ----------------------------------------------------------------------------
 962 // helpers
 963 // ----------------------------------------------------------------------------
 964
 965 #if (GTK_MINOR_VERSION > 0) && wxUSE_ACCEL
 966 static wxString GetHotKey( const wxMenuItem& item )
 967 {
 968     wxString hotkey;
 969
 970     wxAcceleratorEntry *accel = item.GetAccel();
 971     if ( accel )
 972     {
 973         int flags = accel->GetFlags();
 974         if ( flags & wxACCEL_ALT )
 975             hotkey += wxT("<alt>");
 976         if ( flags & wxACCEL_CTRL )
 977             hotkey += wxT("<control>");
 978         if ( flags & wxACCEL_SHIFT )
 979             hotkey += wxT("<shift>");
 980
 981         int code = accel->GetKeyCode();
 982         switch ( code )
 983         {
 984             case WXK_F1:
 985             case WXK_F2:
 986             case WXK_F3:
 987             case WXK_F4:
 988             case WXK_F5:
 989             case WXK_F6:
 990             case WXK_F7:
 991             case WXK_F8:
 992             case WXK_F9:
 993             case WXK_F10:
 994             case WXK_F11:
 995             case WXK_F12:
 996                 hotkey << wxT('F') << code - WXK_F1 + 1;
 997                 break;
 998
 999                 // if there are any other keys wxGetAccelFromString() may return,
1000                 // we should process them here
1001
1002             default:
1003                 if ( wxIsalnum(code) )
1004                 {
1005                     hotkey << (wxChar)code;
1006
1007                     break;
1008                 }
1009
1010                 wxFAIL_MSG( wxT("unknown keyboard accel") );
1011         }
1012
1013         delete accel;
1014     }
1015
1016     return hotkey;
1017 }
1018 #endif // wxUSE_ACCEL
1019