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 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #include "wx/menu.h"
  14 #include "wx/log.h"
  15 #include "wx/intl.h"
  16 #include "wx/app.h"
  17 #include "wx/bitmap.h"
  18
  19 #if wxUSE_ACCEL
  20     #include "wx/accel.h"
  21 #endif // wxUSE_ACCEL
  22
  23 #include "wx/gtk1/private.h"
  24
  25 #include <gdk/gdkkeysyms.h>
  26
  27 #define ACCEL_OBJECT        GtkObject
  28 #define ACCEL_OBJECTS(a)    (a)->attach_objects
  29 #define ACCEL_OBJ_CAST(obj) GTK_OBJECT(obj)
  30
  31 // we use normal item but with a special id for the menu title
  32 static const int wxGTK_TITLE_ID = -3;
  33
  34 // defined in window.cpp
  35 extern guint32 wxGtkTimeLastClick;
  36
  37 //-----------------------------------------------------------------------------
  38 // idle system
  39 //-----------------------------------------------------------------------------
  40
  41 extern void wxapp_install_idle_handler();
  42 extern bool g_isIdle;
  43
  44 #if wxUSE_ACCEL
  45 static wxString GetGtkHotKey( const wxMenuItem& item );
  46 #endif
  47
  48 //-----------------------------------------------------------------------------
  49 // idle system
  50 //-----------------------------------------------------------------------------
  51
  52 static wxString wxReplaceUnderscore( const wxString& title )
  53 {
  54     const wxChar *pc;
  55
  56     // GTK 1.2 wants to have "_" instead of "&" for accelerators
  57     wxString str;
  58     pc = title;
  59     while (*pc != wxT('\0'))
  60     {
  61         if ((*pc == wxT('&')) && (*(pc+1) == wxT('&')))
  62         {
  63             // "&" is doubled to indicate "&" instead of accelerator
  64             ++pc;
  65             str << wxT('&');
  66         }
  67         else if (*pc == wxT('&'))
  68         {
  69             str << wxT('_');
  70         }
  71         else
  72         {
  73             if ( *pc == wxT('_') )
  74             {
  75                 // underscores must be doubled to prevent them from being
  76                 // interpreted as accelerator character prefix by GTK
  77                 str << *pc;
  78             }
  79
  80             str << *pc;
  81         }
  82         ++pc;
  83     }
  84
  85     // wxPrintf( wxT("before %s after %s\n"), title.c_str(), str.c_str() );
  86
  87     return str;
  88 }
  89
  90 //-----------------------------------------------------------------------------
  91 // activate message from GTK
  92 //-----------------------------------------------------------------------------
  93
  94 static void DoCommonMenuCallbackCode(wxMenu *menu, wxMenuEvent& event)
  95 {
  96     if (g_isIdle)
  97         wxapp_install_idle_handler();
  98
  99     event.SetEventObject( menu );
 100
 101     wxEvtHandler* handler = menu->GetEventHandler();
 102     if (handler && handler->ProcessEvent(event))
 103         return;
 104
 105     wxWindow *win = menu->GetInvokingWindow();
 106     if (win)
 107         win->GetEventHandler()->ProcessEvent( event );
 108 }
 109
 110 extern "C" {
 111
 112 static void gtk_menu_open_callback( GtkWidget *widget, wxMenu *menu )
 113 {
 114     wxMenuEvent event(wxEVT_MENU_OPEN, -1, menu);
 115
 116     DoCommonMenuCallbackCode(menu, event);
 117 }
 118
 119 static void gtk_menu_close_callback( GtkWidget *widget, wxMenuBar *menubar )
 120 {
 121     if ( !menubar->GetMenuCount() )
 122     {
 123         // if menubar is empty we can't call GetMenu(0) below
 124         return;
 125     }
 126
 127     wxMenuEvent event( wxEVT_MENU_CLOSE, -1, NULL );
 128
 129     DoCommonMenuCallbackCode(menubar->GetMenu(0), event);
 130 }
 131
 132 }
 133
 134 //-----------------------------------------------------------------------------
 135 // wxMenuBar
 136 //-----------------------------------------------------------------------------
 137
 138 IMPLEMENT_DYNAMIC_CLASS(wxMenuBar,wxWindow)
 139
 140 void wxMenuBar::Init(size_t n, wxMenu *menus[], const wxString titles[], long style)
 141 {
 142     // the parent window is known after wxFrame::SetMenu()
 143     m_needParent = FALSE;
 144     m_style = style;
 145     m_invokingWindow = (wxWindow*) NULL;
 146
 147     if (!PreCreation( (wxWindow*) NULL, wxDefaultPosition, wxDefaultSize ) ||
 148         !CreateBase( (wxWindow*) NULL, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("menubar") ))
 149     {
 150         wxFAIL_MSG( wxT("wxMenuBar creation failed") );
 151         return;
 152     }
 153
 154     m_menubar = gtk_menu_bar_new();
 155     m_accel = gtk_accel_group_new();
 156
 157     if (style & wxMB_DOCKABLE)
 158     {
 159         m_widget = gtk_handle_box_new();
 160         gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_menubar) );
 161         gtk_widget_show( GTK_WIDGET(m_menubar) );
 162     }
 163     else
 164     {
 165         m_widget = GTK_WIDGET(m_menubar);
 166     }
 167
 168     PostCreation();
 169
 170     ApplyWidgetStyle();
 171
 172     for (size_t i = 0; i < n; ++i )
 173         Append(menus[i], titles[i]);
 174
 175     // VZ: for some reason connecting to menus "deactivate" doesn't work (we
 176     //     don't get it when the menu is dismissed by clicking outside the
 177     //     toolbar) so we connect to the global one, even if it means that we
 178     //     can't pass the menu which was closed in wxMenuEvent object
 179     gtk_signal_connect( GTK_OBJECT(GTK_MENU_SHELL(m_menubar)),
 180                         "deactivate",
 181                         GTK_SIGNAL_FUNC(gtk_menu_close_callback),
 182                         (gpointer)this );
 183
 184 }
 185
 186 wxMenuBar::wxMenuBar(size_t n, wxMenu *menus[], const wxString titles[], long style)
 187 {
 188     Init(n, menus, titles, style);
 189 }
 190
 191 wxMenuBar::wxMenuBar(long style)
 192 {
 193     Init(0, NULL, NULL, style);
 194 }
 195
 196 wxMenuBar::wxMenuBar()
 197 {
 198     Init(0, NULL, NULL, 0);
 199 }
 200
 201 wxMenuBar::~wxMenuBar()
 202 {
 203 }
 204
 205 static void wxMenubarUnsetInvokingWindow( wxMenu *menu, wxWindow *win )
 206 {
 207     menu->SetInvokingWindow( (wxWindow*) NULL );
 208
 209     wxWindow *top_frame = win;
 210     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 211         top_frame = top_frame->GetParent();
 212
 213     // support for native hot keys
 214     gtk_accel_group_detach( menu->m_accel, ACCEL_OBJ_CAST(top_frame->m_widget) );
 215
 216     wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
 217     while (node)
 218     {
 219         wxMenuItem *menuitem = node->GetData();
 220         if (menuitem->IsSubMenu())
 221             wxMenubarUnsetInvokingWindow( menuitem->GetSubMenu(), win );
 222         node = node->GetNext();
 223     }
 224 }
 225
 226 static void wxMenubarSetInvokingWindow( wxMenu *menu, wxWindow *win )
 227 {
 228     menu->SetInvokingWindow( win );
 229
 230     wxWindow *top_frame = win;
 231     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 232         top_frame = top_frame->GetParent();
 233
 234     // support for native hot keys
 235     ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget);
 236     if ( !g_slist_find( ACCEL_OBJECTS(menu->m_accel), obj ) )
 237         gtk_accel_group_attach( menu->m_accel, obj );
 238
 239     wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
 240     while (node)
 241     {
 242         wxMenuItem *menuitem = node->GetData();
 243         if (menuitem->IsSubMenu())
 244             wxMenubarSetInvokingWindow( menuitem->GetSubMenu(), win );
 245         node = node->GetNext();
 246     }
 247 }
 248
 249 void wxMenuBar::SetInvokingWindow( wxWindow *win )
 250 {
 251     m_invokingWindow = win;
 252     wxWindow *top_frame = win;
 253     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 254         top_frame = top_frame->GetParent();
 255
 256     // support for native key accelerators indicated by underscroes
 257     ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget);
 258     if ( !g_slist_find( ACCEL_OBJECTS(m_accel), obj ) )
 259         gtk_accel_group_attach( m_accel, obj );
 260
 261     wxMenuList::compatibility_iterator node = m_menus.GetFirst();
 262     while (node)
 263     {
 264         wxMenu *menu = node->GetData();
 265         wxMenubarSetInvokingWindow( menu, win );
 266         node = node->GetNext();
 267     }
 268 }
 269
 270 void wxMenuBar::UnsetInvokingWindow( wxWindow *win )
 271 {
 272     m_invokingWindow = (wxWindow*) NULL;
 273     wxWindow *top_frame = win;
 274     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 275         top_frame = top_frame->GetParent();
 276
 277     // support for native key accelerators indicated by underscroes
 278     gtk_accel_group_detach( m_accel, ACCEL_OBJ_CAST(top_frame->m_widget) );
 279
 280     wxMenuList::compatibility_iterator node = m_menus.GetFirst();
 281     while (node)
 282     {
 283         wxMenu *menu = node->GetData();
 284         wxMenubarUnsetInvokingWindow( menu, win );
 285         node = node->GetNext();
 286     }
 287 }
 288
 289 bool wxMenuBar::Append( wxMenu *menu, const wxString &title )
 290 {
 291     if ( !wxMenuBarBase::Append( menu, title ) )
 292         return FALSE;
 293
 294     return GtkAppend(menu, title);
 295 }
 296
 297 bool wxMenuBar::GtkAppend(wxMenu *menu, const wxString& title, int pos)
 298 {
 299     wxString str( wxReplaceUnderscore( title ) );
 300
 301     // This doesn't have much effect right now.
 302     menu->SetTitle( str );
 303
 304     // The "m_owner" is the "menu item"
 305     menu->m_owner = gtk_menu_item_new_with_label( wxGTK_CONV( str ) );
 306     GtkLabel *label = GTK_LABEL( GTK_BIN(menu->m_owner)->child );
 307     // set new text
 308     gtk_label_set_text( label, wxGTK_CONV( str ) );
 309     // reparse key accel
 310     guint accel_key = gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV( str ) );
 311     if (accel_key != GDK_VoidSymbol)
 312     {
 313         gtk_widget_add_accelerator (menu->m_owner,
 314                                     "activate_item",
 315                                     m_accel, //gtk_menu_ensure_uline_accel_group(GTK_MENU(m_menubar)),
 316                                     accel_key,
 317                                     GDK_MOD1_MASK,
 318                                     GTK_ACCEL_LOCKED);
 319     }
 320
 321     gtk_widget_show( menu->m_owner );
 322
 323     gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
 324
 325     if (pos == -1)
 326         gtk_menu_shell_append( GTK_MENU_SHELL(m_menubar), menu->m_owner );
 327     else
 328         gtk_menu_shell_insert( GTK_MENU_SHELL(m_menubar), menu->m_owner, pos );
 329
 330     gtk_signal_connect( GTK_OBJECT(menu->m_owner), "activate",
 331                         GTK_SIGNAL_FUNC(gtk_menu_open_callback),
 332                         (gpointer)menu );
 333
 334     // m_invokingWindow is set after wxFrame::SetMenuBar(). This call enables
 335     // addings menu later on.
 336     if (m_invokingWindow)
 337     {
 338         wxMenubarSetInvokingWindow( menu, m_invokingWindow );
 339
 340             // OPTIMISE ME:  we should probably cache this, or pass it
 341             //               directly, but for now this is a minimal
 342             //               change to validate the new dynamic sizing.
 343             //               see (and refactor :) similar code in Remove
 344             //               below.
 345
 346         wxFrame *frame = wxDynamicCast( m_invokingWindow, wxFrame );
 347
 348         if( frame )
 349             frame->UpdateMenuBarSize();
 350     }
 351
 352     return TRUE;
 353 }
 354
 355 bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
 356 {
 357     if ( !wxMenuBarBase::Insert(pos, menu, title) )
 358         return FALSE;
 359
 360     // TODO
 361
 362     if ( !GtkAppend(menu, title, (int)pos) )
 363         return FALSE;
 364
 365     return TRUE;
 366 }
 367
 368 wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
 369 {
 370     // remove the old item and insert a new one
 371     wxMenu *menuOld = Remove(pos);
 372     if ( menuOld && !Insert(pos, menu, title) )
 373     {
 374         return (wxMenu*) NULL;
 375     }
 376
 377     // either Insert() succeeded or Remove() failed and menuOld is NULL
 378     return menuOld;
 379 }
 380
 381 wxMenu *wxMenuBar::Remove(size_t pos)
 382 {
 383     wxMenu *menu = wxMenuBarBase::Remove(pos);
 384     if ( !menu )
 385         return (wxMenu*) NULL;
 386
 387     gtk_menu_item_remove_submenu( GTK_MENU_ITEM(menu->m_owner) );
 388     gtk_container_remove(GTK_CONTAINER(m_menubar), menu->m_owner);
 389
 390     gtk_widget_destroy( menu->m_owner );
 391     menu->m_owner = NULL;
 392
 393     if (m_invokingWindow)
 394     {
 395         // OPTIMISE ME:  see comment in GtkAppend
 396         wxFrame *frame = wxDynamicCast( m_invokingWindow, wxFrame );
 397
 398         if( frame )
 399             frame->UpdateMenuBarSize();
 400     }
 401
 402     return menu;
 403 }
 404
 405 static int FindMenuItemRecursive( const wxMenu *menu, const wxString &menuString, const wxString &itemString )
 406 {
 407     if (wxMenuItem::GetLabelFromText(menu->GetTitle()) == wxMenuItem::GetLabelFromText(menuString))
 408     {
 409         int res = menu->FindItem( itemString );
 410         if (res != wxNOT_FOUND)
 411             return res;
 412     }
 413
 414     wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
 415     while (node)
 416     {
 417         wxMenuItem *item = node->GetData();
 418         if (item->IsSubMenu())
 419             return FindMenuItemRecursive(item->GetSubMenu(), menuString, itemString);
 420
 421         node = node->GetNext();
 422     }
 423
 424     return wxNOT_FOUND;
 425 }
 426
 427 int wxMenuBar::FindMenuItem( const wxString &menuString, const wxString &itemString ) const
 428 {
 429     wxMenuList::compatibility_iterator node = m_menus.GetFirst();
 430     while (node)
 431     {
 432         wxMenu *menu = node->GetData();
 433         int res = FindMenuItemRecursive( menu, menuString, itemString);
 434         if (res != -1)
 435             return res;
 436         node = node->GetNext();
 437     }
 438
 439     return wxNOT_FOUND;
 440 }
 441
 442 // Find a wxMenuItem using its id. Recurses down into sub-menus
 443 static wxMenuItem* FindMenuItemByIdRecursive(const wxMenu* menu, int id)
 444 {
 445     wxMenuItem* result = menu->FindChildItem(id);
 446
 447     wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
 448     while ( node && result == NULL )
 449     {
 450         wxMenuItem *item = node->GetData();
 451         if (item->IsSubMenu())
 452         {
 453             result = FindMenuItemByIdRecursive( item->GetSubMenu(), id );
 454         }
 455         node = node->GetNext();
 456     }
 457
 458     return result;
 459 }
 460
 461 wxMenuItem* wxMenuBar::FindItem( int id, wxMenu **menuForItem ) const
 462 {
 463     wxMenuItem* result = 0;
 464     wxMenuList::compatibility_iterator node = m_menus.GetFirst();
 465     while (node && result == 0)
 466     {
 467         wxMenu *menu = node->GetData();
 468         result = FindMenuItemByIdRecursive( menu, id );
 469         node = node->GetNext();
 470     }
 471
 472     if ( menuForItem )
 473     {
 474         *menuForItem = result ? result->GetMenu() : (wxMenu *)NULL;
 475     }
 476
 477     return result;
 478 }
 479
 480 void wxMenuBar::EnableTop( size_t pos, bool flag )
 481 {
 482     wxMenuList::compatibility_iterator node = m_menus.Item( pos );
 483
 484     wxCHECK_RET( node, wxT("menu not found") );
 485
 486     wxMenu* menu = node->GetData();
 487
 488     if (menu->m_owner)
 489         gtk_widget_set_sensitive( menu->m_owner, flag );
 490 }
 491
 492 wxString wxMenuBar::GetLabelTop( size_t pos ) const
 493 {
 494     wxMenuList::compatibility_iterator node = m_menus.Item( pos );
 495
 496     wxCHECK_MSG( node, wxT("invalid"), wxT("menu not found") );
 497
 498     wxMenu* menu = node->GetData();
 499
 500     wxString label;
 501     wxString text( menu->GetTitle() );
 502     for ( const wxChar *pc = text.c_str(); *pc; pc++ )
 503     {
 504         if ( *pc == wxT('_') )
 505         {
 506             // '_' is the escape character for GTK+
 507             continue;
 508         }
 509
 510         // don't remove ampersands '&' since if we have them in the menu title
 511         // it means that they were doubled to indicate "&" instead of accelerator
 512
 513         label += *pc;
 514     }
 515
 516     return label;
 517 }
 518
 519 void wxMenuBar::SetLabelTop( size_t pos, const wxString& label )
 520 {
 521     wxMenuList::compatibility_iterator node = m_menus.Item( pos );
 522
 523     wxCHECK_RET( node, wxT("menu not found") );
 524
 525     wxMenu* menu = node->GetData();
 526
 527     const wxString str( wxReplaceUnderscore( label ) );
 528
 529     menu->SetTitle( str );
 530
 531     if (menu->m_owner)
 532     {
 533         GtkLabel *glabel = GTK_LABEL( GTK_BIN(menu->m_owner)->child );
 534
 535         /* set new text */
 536         gtk_label_set( glabel, wxGTK_CONV( str ) );
 537
 538         /* reparse key accel */
 539         (void)gtk_label_parse_uline (GTK_LABEL(glabel), wxGTK_CONV( str ) );
 540         gtk_accel_label_refetch( GTK_ACCEL_LABEL(glabel) );
 541     }
 542
 543 }
 544
 545 //-----------------------------------------------------------------------------
 546 // "activate"
 547 //-----------------------------------------------------------------------------
 548
 549 extern "C" {
 550 static void gtk_menu_clicked_callback( GtkWidget *widget, wxMenu *menu )
 551 {
 552     if (g_isIdle)
 553         wxapp_install_idle_handler();
 554
 555     int id = menu->FindMenuIdByMenuItem(widget);
 556
 557     /* should find it for normal (not popup) menu */
 558     wxASSERT_MSG( (id != -1) || (menu->GetInvokingWindow() != NULL),
 559                   _T("menu item not found in gtk_menu_clicked_callback") );
 560
 561     if (!menu->IsEnabled(id))
 562         return;
 563
 564     wxMenuItem* item = menu->FindChildItem( id );
 565     wxCHECK_RET( item, wxT("error in menu item callback") );
 566
 567     if ( item->GetId() == wxGTK_TITLE_ID )
 568     {
 569         // ignore events from the menu title
 570         return;
 571     }
 572
 573     if (item->IsCheckable())
 574     {
 575         bool isReallyChecked = item->IsChecked(),
 576             isInternallyChecked = item->wxMenuItemBase::IsChecked();
 577
 578         // ensure that the internal state is always consistent with what is
 579         // shown on the screen
 580         item->wxMenuItemBase::Check(isReallyChecked);
 581
 582         // we must not report the events for the radio button going up nor the
 583         // events resulting from the calls to wxMenuItem::Check()
 584         if ( (item->GetKind() == wxITEM_RADIO && !isReallyChecked) ||
 585              (isInternallyChecked == isReallyChecked) )
 586         {
 587             return;
 588         }
 589     }
 590
 591
 592     // Is this menu on a menubar?  (possibly nested)
 593     wxFrame* frame = NULL;
 594     if(menu->IsAttached())
 595         frame = menu->GetMenuBar()->GetFrame();
 596
 597     // FIXME: why do we have to call wxFrame::GetEventHandler() directly here?
 598     //        normally wxMenu::SendEvent() should be enough, if it doesn't work
 599     //        in wxGTK then we have a bug in wxMenu::GetInvokingWindow() which
 600     //        should be fixed instead of working around it here...
 601     if (frame)
 602     {
 603         // If it is attached then let the frame send the event.
 604         // Don't call frame->ProcessCommand(id) because it toggles
 605         // checkable items and we've already done that above.
 606         wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, id);
 607         commandEvent.SetEventObject(frame);
 608         if (item->IsCheckable())
 609             commandEvent.SetInt(item->IsChecked());
 610         commandEvent.SetEventObject(menu);
 611
 612         frame->GetEventHandler()->ProcessEvent(commandEvent);
 613     }
 614     else
 615     {
 616         // otherwise let the menu have it
 617         menu->SendEvent(id, item->IsCheckable() ? item->IsChecked() : -1);
 618     }
 619 }
 620 }
 621
 622 //-----------------------------------------------------------------------------
 623 // "select"
 624 //-----------------------------------------------------------------------------
 625
 626 extern "C" {
 627 static void gtk_menu_hilight_callback( GtkWidget *widget, wxMenu *menu )
 628 {
 629     if (g_isIdle) wxapp_install_idle_handler();
 630
 631     int id = menu->FindMenuIdByMenuItem(widget);
 632
 633     wxASSERT( id != -1 ); // should find it!
 634
 635     if (!menu->IsEnabled(id))
 636         return;
 637
 638     wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, id );
 639     event.SetEventObject( menu );
 640
 641     wxEvtHandler* handler = menu->GetEventHandler();
 642     if (handler && handler->ProcessEvent(event))
 643         return;
 644
 645     wxWindow *win = menu->GetInvokingWindow();
 646     if (win) win->GetEventHandler()->ProcessEvent( event );
 647 }
 648 }
 649
 650 //-----------------------------------------------------------------------------
 651 // "deselect"
 652 //-----------------------------------------------------------------------------
 653
 654 extern "C" {
 655 static void gtk_menu_nolight_callback( GtkWidget *widget, wxMenu *menu )
 656 {
 657     if (g_isIdle) wxapp_install_idle_handler();
 658
 659     int id = menu->FindMenuIdByMenuItem(widget);
 660
 661     wxASSERT( id != -1 ); // should find it!
 662
 663     if (!menu->IsEnabled(id))
 664         return;
 665
 666     wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, -1 );
 667     event.SetEventObject( menu );
 668
 669     wxEvtHandler* handler = menu->GetEventHandler();
 670     if (handler && handler->ProcessEvent(event))
 671         return;
 672
 673     wxWindow *win = menu->GetInvokingWindow();
 674     if (win)
 675         win->GetEventHandler()->ProcessEvent( event );
 676 }
 677 }
 678
 679 //-----------------------------------------------------------------------------
 680 // wxMenuItem
 681 //-----------------------------------------------------------------------------
 682
 683 IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
 684
 685 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
 686                                 int id,
 687                                 const wxString& name,
 688                                 const wxString& help,
 689                                 wxItemKind kind,
 690                                 wxMenu *subMenu)
 691 {
 692     return new wxMenuItem(parentMenu, id, name, help, kind, subMenu);
 693 }
 694
 695 wxMenuItem::wxMenuItem(wxMenu *parentMenu,
 696                        int id,
 697                        const wxString& text,
 698                        const wxString& help,
 699                        wxItemKind kind,
 700                        wxMenu *subMenu)
 701           : wxMenuItemBase(parentMenu, id, text, help, kind, subMenu)
 702 {
 703     Init(text);
 704 }
 705
 706 wxMenuItem::wxMenuItem(wxMenu *parentMenu,
 707                        int id,
 708                        const wxString& text,
 709                        const wxString& help,
 710                        bool isCheckable,
 711                        wxMenu *subMenu)
 712           : wxMenuItemBase(parentMenu, id, text, help,
 713                            isCheckable ? wxITEM_CHECK : wxITEM_NORMAL, subMenu)
 714 {
 715     Init(text);
 716 }
 717
 718 void wxMenuItem::Init(const wxString& text)
 719 {
 720     m_labelWidget = (GtkWidget *) NULL;
 721     m_menuItem = (GtkWidget *) NULL;
 722
 723     DoSetText(text);
 724 }
 725
 726 wxMenuItem::~wxMenuItem()
 727 {
 728    // don't delete menu items, the menus take care of that
 729 }
 730
 731 // return the menu item text without any menu accels
 732 /* static */
 733 wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
 734 {
 735     wxString label;
 736
 737     for ( const wxChar *pc = text.c_str(); *pc; pc++ )
 738     {
 739         if ( *pc == wxT('\t'))
 740             break;
 741
 742         if ( *pc == wxT('_') )
 743         {
 744             // GTK 1.2 escapes "xxx_xxx" to "xxx__xxx"
 745             pc++;
 746             label += *pc;
 747             continue;
 748         }
 749
 750         if ( (*pc == wxT('&')) && (*(pc+1) != wxT('&')) )
 751         {
 752             // wxMSW escapes "&"
 753             // "&" is doubled to indicate "&" instead of accelerator
 754             continue;
 755         }
 756
 757         label += *pc;
 758     }
 759
 760     // wxPrintf( wxT("GetLabelFromText(): text %s label %s\n"), text.c_str(), label.c_str() );
 761
 762     return label;
 763 }
 764
 765 void wxMenuItem::SetText( const wxString& str )
 766 {
 767     // Some optimization to avoid flicker
 768     wxString oldLabel = m_text;
 769     oldLabel = wxStripMenuCodes(oldLabel);
 770     oldLabel.Replace(wxT("_"), wxT(""));
 771     wxString label1 = wxStripMenuCodes(str);
 772     wxString oldhotkey = GetHotKey();    // Store the old hotkey in Ctrl-foo format
 773     wxCharBuffer oldbuf = wxGTK_CONV( GetGtkHotKey(*this) );  // and as <control>foo
 774
 775     DoSetText(str);
 776
 777     if (oldLabel == label1 &&
 778              oldhotkey == GetHotKey())    // Make sure we can change a hotkey even if the label is unaltered
 779         return;
 780
 781     if (m_menuItem)
 782     {
 783         GtkLabel *label;
 784         if (m_labelWidget)
 785             label = (GtkLabel*) m_labelWidget;
 786         else
 787             label = GTK_LABEL( GTK_BIN(m_menuItem)->child );
 788
 789         // set new text
 790         gtk_label_set( label, wxGTK_CONV( m_text ) );
 791
 792         // reparse key accel
 793         (void)gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV(m_text) );
 794         gtk_accel_label_refetch( GTK_ACCEL_LABEL(label) );
 795     }
 796
 797     guint accel_key;
 798     GdkModifierType accel_mods;
 799     gtk_accelerator_parse( (const char*) oldbuf, &accel_key, &accel_mods);
 800     if (accel_key != 0)
 801     {
 802         gtk_widget_remove_accelerator( GTK_WIDGET(m_menuItem),
 803                                        m_parentMenu->m_accel,
 804                                        accel_key,
 805                                        accel_mods );
 806     }
 807
 808     wxCharBuffer buf = wxGTK_CONV( GetGtkHotKey(*this) );
 809     gtk_accelerator_parse( (const char*) buf, &accel_key, &accel_mods);
 810     if (accel_key != 0)
 811     {
 812         gtk_widget_add_accelerator( GTK_WIDGET(m_menuItem),
 813                                     "activate",
 814                                     m_parentMenu->m_accel,
 815                                     accel_key,
 816                                     accel_mods,
 817                                     GTK_ACCEL_VISIBLE);
 818     }
 819 }
 820
 821 // it's valid for this function to be called even if m_menuItem == NULL
 822 void wxMenuItem::DoSetText( const wxString& str )
 823 {
 824     // '\t' is the deliminator indicating a hot key
 825     m_text.Empty();
 826     const wxChar *pc = str;
 827     while ( (*pc != wxT('\0')) && (*pc != wxT('\t')) )
 828     {
 829         if ((*pc == wxT('&')) && (*(pc+1) == wxT('&')))
 830         {
 831             // "&" is doubled to indicate "&" instead of accelerator
 832             ++pc;
 833             m_text << wxT('&');
 834         }
 835         else if (*pc == wxT('&'))
 836         {
 837             m_text << wxT('_');
 838         }
 839         else if ( *pc == wxT('_') )    // escape underscores
 840         {
 841             m_text << wxT("__");
 842         }
 843         else
 844         {
 845             m_text << *pc;
 846         }
 847         ++pc;
 848     }
 849
 850     m_hotKey = wxT("");
 851
 852     if(*pc == wxT('\t'))
 853     {
 854        pc++;
 855        m_hotKey = pc;
 856     }
 857
 858     // wxPrintf( wxT("DoSetText(): str %s m_text %s hotkey %s\n"), str.c_str(), m_text.c_str(), m_hotKey.c_str() );
 859 }
 860
 861 #if wxUSE_ACCEL
 862
 863 wxAcceleratorEntry *wxMenuItem::GetAccel() const
 864 {
 865     if ( !GetHotKey() )
 866     {
 867         // nothing
 868         return (wxAcceleratorEntry *)NULL;
 869     }
 870
 871     // as wxGetAccelFromString() looks for TAB, insert a dummy one here
 872     wxString label;
 873     label << wxT('\t') << GetHotKey();
 874
 875     return wxGetAccelFromString(label);
 876 }
 877
 878 #endif // wxUSE_ACCEL
 879
 880 void wxMenuItem::Check( bool check )
 881 {
 882     wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
 883
 884     if (check == m_isChecked)
 885         return;
 886
 887     wxMenuItemBase::Check( check );
 888
 889     switch ( GetKind() )
 890     {
 891         case wxITEM_CHECK:
 892         case wxITEM_RADIO:
 893             gtk_check_menu_item_set_state( (GtkCheckMenuItem*)m_menuItem, (gint)check );
 894             break;
 895
 896         default:
 897             wxFAIL_MSG( _T("can't check this item") );
 898     }
 899 }
 900
 901 void wxMenuItem::Enable( bool enable )
 902 {
 903     wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
 904
 905     gtk_widget_set_sensitive( m_menuItem, enable );
 906     wxMenuItemBase::Enable( enable );
 907 }
 908
 909 bool wxMenuItem::IsChecked() const
 910 {
 911     wxCHECK_MSG( m_menuItem, FALSE, wxT("invalid menu item") );
 912
 913     wxCHECK_MSG( IsCheckable(), FALSE,
 914                  wxT("can't get state of uncheckable item!") );
 915
 916     return ((GtkCheckMenuItem*)m_menuItem)->active != 0;
 917 }
 918
 919 //-----------------------------------------------------------------------------
 920 // wxMenu
 921 //-----------------------------------------------------------------------------
 922
 923 IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler)
 924
 925 void wxMenu::Init()
 926 {
 927     m_accel = gtk_accel_group_new();
 928     m_menu = gtk_menu_new();
 929     // NB: keep reference to the menu so that it is not destroyed behind
 930     //     our back by GTK+ e.g. when it is removed from menubar:
 931     gtk_widget_ref(m_menu);
 932
 933     m_owner = (GtkWidget*) NULL;
 934
 935     // Tearoffs are entries, just like separators. So if we want this
 936     // menu to be a tear-off one, we just append a tearoff entry
 937     // immediately.
 938     if ( m_style & wxMENU_TEAROFF )
 939     {
 940         GtkWidget *tearoff = gtk_tearoff_menu_item_new();
 941
 942         gtk_menu_append(GTK_MENU(m_menu), tearoff);
 943     }
 944
 945     m_prevRadio = NULL;
 946
 947     // append the title as the very first entry if we have it
 948     if ( !m_title.empty() )
 949     {
 950         Append(wxGTK_TITLE_ID, m_title);
 951         AppendSeparator();
 952     }
 953 }
 954
 955 wxMenu::~wxMenu()
 956 {
 957    WX_CLEAR_LIST(wxMenuItemList, m_items);
 958
 959    if ( GTK_IS_WIDGET( m_menu ))
 960    {
 961        // see wxMenu::Init
 962        gtk_widget_unref( m_menu );
 963        // if the menu is inserted in another menu at this time, there was
 964        // one more reference to it:
 965        if ( m_owner )
 966            gtk_widget_destroy( m_menu );
 967    }
 968 }
 969
 970 bool wxMenu::GtkAppend(wxMenuItem *mitem, int pos)
 971 {
 972     GtkWidget *menuItem;
 973
 974     wxString text;
 975     GtkLabel* label;
 976
 977     if ( mitem->IsSeparator() )
 978     {
 979         // TODO
 980         menuItem = gtk_menu_item_new();
 981     }
 982     else if (mitem->GetBitmap().Ok())
 983     {
 984         text = mitem->GetText();
 985         const wxBitmap *bitmap = &mitem->GetBitmap();
 986
 987         // TODO
 988         wxUnusedVar(bitmap);
 989         menuItem = gtk_menu_item_new_with_label( wxGTK_CONV( text ) );
 990         label = GTK_LABEL( GTK_BIN(menuItem)->child );
 991
 992         m_prevRadio = NULL;
 993     }
 994     else // a normal item
 995     {
 996         // text has "_" instead of "&" after mitem->SetText() so don't use it
 997         text =  mitem->GetText() ;
 998
 999         switch ( mitem->GetKind() )
1000         {
1001             case wxITEM_CHECK:
1002             {
1003                 menuItem = gtk_check_menu_item_new_with_label( wxGTK_CONV( text ) );
1004                 label = GTK_LABEL( GTK_BIN(menuItem)->child );
1005                 // set new text
1006                 gtk_label_set_text( label, wxGTK_CONV( text ) );
1007                 m_prevRadio = NULL;
1008                 break;
1009             }
1010
1011             case wxITEM_RADIO:
1012             {
1013                 GSList *group = NULL;
1014                 if ( m_prevRadio == NULL )
1015                 {
1016                     // start of a new radio group
1017                     m_prevRadio = menuItem = gtk_radio_menu_item_new_with_label( group, wxGTK_CONV( text ) );
1018                     label = GTK_LABEL( GTK_BIN(menuItem)->child );
1019                     // set new text
1020                     gtk_label_set_text( label, wxGTK_CONV( text ) );
1021                 }
1022                 else // continue the radio group
1023                 {
1024                     group = gtk_radio_menu_item_group (GTK_RADIO_MENU_ITEM (m_prevRadio));
1025                     m_prevRadio = menuItem = gtk_radio_menu_item_new_with_label( group, wxGTK_CONV( text ) );
1026                     label = GTK_LABEL( GTK_BIN(menuItem)->child );
1027                 }
1028                 break;
1029             }
1030
1031             default:
1032                 wxFAIL_MSG( _T("unexpected menu item kind") );
1033                 // fall through
1034
1035             case wxITEM_NORMAL:
1036             {
1037                 menuItem = gtk_menu_item_new_with_label( wxGTK_CONV( text ) );
1038                 label = GTK_LABEL( GTK_BIN(menuItem)->child );
1039                 m_prevRadio = NULL;
1040                 break;
1041             }
1042         }
1043
1044     }
1045
1046     guint accel_key;
1047     GdkModifierType accel_mods;
1048     wxCharBuffer buf = wxGTK_CONV( GetGtkHotKey(*mitem) );
1049
1050     // wxPrintf( wxT("item: %s hotkey %s\n"), mitem->GetText().c_str(), GetGtkHotKey(*mitem).c_str() );
1051     gtk_accelerator_parse( (const char*) buf, &accel_key, &accel_mods);
1052     if (accel_key != 0)
1053     {
1054         gtk_widget_add_accelerator (GTK_WIDGET(menuItem),
1055                                     "activate",
1056                                     m_accel,
1057                                     accel_key,
1058                                     accel_mods,
1059                                     GTK_ACCEL_VISIBLE);
1060     }
1061
1062     if (pos == -1)
1063         gtk_menu_shell_append(GTK_MENU_SHELL(m_menu), menuItem);
1064     else
1065         gtk_menu_shell_insert(GTK_MENU_SHELL(m_menu), menuItem, pos);
1066
1067     gtk_widget_show( menuItem );
1068
1069     if ( !mitem->IsSeparator() )
1070     {
1071         wxASSERT_MSG( menuItem, wxT("invalid menuitem") );
1072
1073         gtk_signal_connect( GTK_OBJECT(menuItem), "select",
1074                             GTK_SIGNAL_FUNC(gtk_menu_hilight_callback),
1075                             (gpointer)this );
1076
1077         gtk_signal_connect( GTK_OBJECT(menuItem), "deselect",
1078                             GTK_SIGNAL_FUNC(gtk_menu_nolight_callback),
1079                             (gpointer)this );
1080
1081         if ( mitem->IsSubMenu() && mitem->GetKind() != wxITEM_RADIO && mitem->GetKind() != wxITEM_CHECK )
1082         {
1083             gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), mitem->GetSubMenu()->m_menu );
1084
1085             gtk_widget_show( mitem->GetSubMenu()->m_menu );
1086
1087             // if adding a submenu to a menu already existing in the menu bar, we
1088             // must set invoking window to allow processing events from this
1089             // submenu
1090             if ( m_invokingWindow )
1091                 wxMenubarSetInvokingWindow(mitem->GetSubMenu(), m_invokingWindow);
1092         }
1093         else
1094         {
1095             gtk_signal_connect( GTK_OBJECT(menuItem), "activate",
1096                                 GTK_SIGNAL_FUNC(gtk_menu_clicked_callback),
1097                                 (gpointer)this );
1098         }
1099
1100         guint accel_key = gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV( text ) );
1101         if (accel_key != GDK_VoidSymbol)
1102         {
1103             gtk_widget_add_accelerator (menuItem,
1104                                         "activate_item",
1105                                         gtk_menu_ensure_uline_accel_group(GTK_MENU(m_menu)),
1106                                         accel_key,
1107                                         GDK_MOD1_MASK,
1108                                         GTK_ACCEL_LOCKED);
1109         }
1110     }
1111
1112     mitem->SetMenuItem(menuItem);
1113
1114     if (ms_locked)
1115     {
1116         // This doesn't even exist!
1117         // gtk_widget_lock_accelerators(mitem->GetMenuItem());
1118     }
1119
1120     return TRUE;
1121 }
1122
1123 wxMenuItem* wxMenu::DoAppend(wxMenuItem *mitem)
1124 {
1125     if (!GtkAppend(mitem))
1126         return NULL;
1127
1128     return wxMenuBase::DoAppend(mitem);
1129 }
1130
1131 wxMenuItem* wxMenu::DoInsert(size_t pos, wxMenuItem *item)
1132 {
1133     if ( !wxMenuBase::DoInsert(pos, item) )
1134         return NULL;
1135
1136     // TODO
1137     if ( !GtkAppend(item, (int)pos) )
1138         return NULL;
1139
1140     return item;
1141 }
1142
1143 wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
1144 {
1145     if ( !wxMenuBase::DoRemove(item) )
1146         return (wxMenuItem *)NULL;
1147
1148     // TODO: this code doesn't delete the item factory item and this seems
1149     //       impossible as of GTK 1.2.6.
1150     gtk_widget_destroy( item->GetMenuItem() );
1151
1152     return item;
1153 }
1154
1155 int wxMenu::FindMenuIdByMenuItem( GtkWidget *menuItem ) const
1156 {
1157     wxMenuItemList::compatibility_iterator node = m_items.GetFirst();
1158     while (node)
1159     {
1160         wxMenuItem *item = node->GetData();
1161         if (item->GetMenuItem() == menuItem)
1162             return item->GetId();
1163         node = node->GetNext();
1164     }
1165
1166     return wxNOT_FOUND;
1167 }
1168
1169 // ----------------------------------------------------------------------------
1170 // helpers
1171 // ----------------------------------------------------------------------------
1172
1173 #if wxUSE_ACCEL
1174
1175 static wxString GetGtkHotKey( const wxMenuItem& item )
1176 {
1177     wxString hotkey;
1178
1179     wxAcceleratorEntry *accel = item.GetAccel();
1180     if ( accel )
1181     {
1182         int flags = accel->GetFlags();
1183         if ( flags & wxACCEL_ALT )
1184             hotkey += wxT("<alt>");
1185         if ( flags & wxACCEL_CTRL )
1186             hotkey += wxT("<control>");
1187         if ( flags & wxACCEL_SHIFT )
1188             hotkey += wxT("<shift>");
1189
1190         int code = accel->GetKeyCode();
1191         switch ( code )
1192         {
1193             case WXK_F1:
1194             case WXK_F2:
1195             case WXK_F3:
1196             case WXK_F4:
1197             case WXK_F5:
1198             case WXK_F6:
1199             case WXK_F7:
1200             case WXK_F8:
1201             case WXK_F9:
1202             case WXK_F10:
1203             case WXK_F11:
1204             case WXK_F12:
1205             case WXK_F13:
1206             case WXK_F14:
1207             case WXK_F15:
1208             case WXK_F16:
1209             case WXK_F17:
1210             case WXK_F18:
1211             case WXK_F19:
1212             case WXK_F20:
1213             case WXK_F21:
1214             case WXK_F22:
1215             case WXK_F23:
1216             case WXK_F24:
1217                 hotkey += wxString::Format(wxT("F%d"), code - WXK_F1 + 1);
1218                 break;
1219
1220                 // TODO: we should use gdk_keyval_name() (a.k.a.
1221                 //       XKeysymToString) here as well as hardcoding the keysym
1222                 //       names this might be not portable
1223            case WXK_INSERT:
1224                 hotkey << wxT("Insert" );
1225                 break;
1226             case WXK_DELETE:
1227                 hotkey << wxT("Delete" );
1228                 break;
1229             case WXK_UP:
1230                 hotkey << wxT("Up" );
1231                 break;
1232             case WXK_DOWN:
1233                 hotkey << wxT("Down" );
1234                 break;
1235             case WXK_PAGEUP:
1236             case WXK_PRIOR:
1237                 hotkey << wxT("Prior" );
1238                 break;
1239             case WXK_PAGEDOWN:
1240             case WXK_NEXT:
1241                 hotkey << wxT("Next" );
1242                 break;
1243             case WXK_LEFT:
1244                 hotkey << wxT("Left" );
1245                 break;
1246             case WXK_RIGHT:
1247                 hotkey << wxT("Right" );
1248                 break;
1249             case WXK_HOME:
1250                 hotkey << wxT("Home" );
1251                 break;
1252             case WXK_END:
1253                 hotkey << wxT("End" );
1254                 break;
1255             case WXK_RETURN:
1256                 hotkey << wxT("Return" );
1257                 break;
1258             case WXK_BACK:
1259                 hotkey << wxT("BackSpace" );
1260                 break;
1261             case WXK_TAB:
1262                 hotkey << wxT("Tab" );
1263                 break;
1264             case WXK_ESCAPE:
1265                 hotkey << wxT("Esc" );
1266                 break;
1267             case WXK_SPACE:
1268                 hotkey << wxT("space" );
1269                 break;
1270             case WXK_MULTIPLY:
1271                 hotkey << wxT("Multiply" );
1272                 break;
1273             case WXK_ADD:
1274                 hotkey << wxT("Add" );
1275                 break;
1276             case WXK_SEPARATOR:
1277                 hotkey << wxT("Separator" );
1278                 break;
1279             case WXK_SUBTRACT:
1280                 hotkey << wxT("Subtract" );
1281                 break;
1282             case WXK_DECIMAL:
1283                 hotkey << wxT("Decimal" );
1284                 break;
1285             case WXK_DIVIDE:
1286                 hotkey << wxT("Divide" );
1287                 break;
1288             case WXK_CANCEL:
1289                 hotkey << wxT("Cancel" );
1290                 break;
1291             case WXK_CLEAR:
1292                 hotkey << wxT("Clear" );
1293                 break;
1294             case WXK_MENU:
1295                 hotkey << wxT("Menu" );
1296                 break;
1297             case WXK_PAUSE:
1298                 hotkey << wxT("Pause" );
1299                 break;
1300             case WXK_CAPITAL:
1301                 hotkey << wxT("Capital" );
1302                 break;
1303             case WXK_SELECT:
1304                 hotkey << wxT("Select" );
1305                 break;
1306             case WXK_PRINT:
1307                 hotkey << wxT("Print" );
1308                 break;
1309             case WXK_EXECUTE:
1310                 hotkey << wxT("Execute" );
1311                 break;
1312             case WXK_SNAPSHOT:
1313                 hotkey << wxT("Snapshot" );
1314                 break;
1315             case WXK_HELP:
1316                 hotkey << wxT("Help" );
1317                 break;
1318             case WXK_NUMLOCK:
1319                 hotkey << wxT("Num_Lock" );
1320                 break;
1321             case WXK_SCROLL:
1322                 hotkey << wxT("Scroll_Lock" );
1323                 break;
1324             case WXK_NUMPAD_INSERT:
1325                 hotkey << wxT("KP_Insert" );
1326                 break;
1327             case WXK_NUMPAD_DELETE:
1328                 hotkey << wxT("KP_Delete" );
1329                 break;
1330              case WXK_NUMPAD_SPACE:
1331                 hotkey << wxT("KP_Space" );
1332                 break;
1333             case WXK_NUMPAD_TAB:
1334                 hotkey << wxT("KP_Tab" );
1335                 break;
1336             case WXK_NUMPAD_ENTER:
1337                 hotkey << wxT("KP_Enter" );
1338                 break;
1339             case WXK_NUMPAD_F1: case WXK_NUMPAD_F2: case WXK_NUMPAD_F3:
1340             case WXK_NUMPAD_F4:
1341                 hotkey += wxString::Format(wxT("KP_F%d"), code - WXK_NUMPAD_F1 + 1);
1342                 break;
1343             case WXK_NUMPAD_HOME:
1344                 hotkey << wxT("KP_Home" );
1345                 break;
1346             case WXK_NUMPAD_LEFT:
1347                 hotkey << wxT("KP_Left" );
1348                 break;
1349              case WXK_NUMPAD_UP:
1350                 hotkey << wxT("KP_Up" );
1351                 break;
1352             case WXK_NUMPAD_RIGHT:
1353                 hotkey << wxT("KP_Right" );
1354                 break;
1355             case WXK_NUMPAD_DOWN:
1356                 hotkey << wxT("KP_Down" );
1357                 break;
1358             case WXK_NUMPAD_PRIOR: case WXK_NUMPAD_PAGEUP:
1359                 hotkey << wxT("KP_Prior" );
1360                 break;
1361             case WXK_NUMPAD_NEXT:  case WXK_NUMPAD_PAGEDOWN:
1362                 hotkey << wxT("KP_Next" );
1363                 break;
1364             case WXK_NUMPAD_END:
1365                 hotkey << wxT("KP_End" );
1366                 break;
1367             case WXK_NUMPAD_BEGIN:
1368                 hotkey << wxT("KP_Begin" );
1369                 break;
1370             case WXK_NUMPAD_EQUAL:
1371                 hotkey << wxT("KP_Equal" );
1372                 break;
1373             case WXK_NUMPAD_MULTIPLY:
1374                 hotkey << wxT("KP_Multiply" );
1375                 break;
1376             case WXK_NUMPAD_ADD:
1377                 hotkey << wxT("KP_Add" );
1378                 break;
1379             case WXK_NUMPAD_SEPARATOR:
1380                 hotkey << wxT("KP_Separator" );
1381                 break;
1382             case WXK_NUMPAD_SUBTRACT:
1383                 hotkey << wxT("KP_Subtract" );
1384                 break;
1385             case WXK_NUMPAD_DECIMAL:
1386                 hotkey << wxT("KP_Decimal" );
1387                 break;
1388             case WXK_NUMPAD_DIVIDE:
1389                 hotkey << wxT("KP_Divide" );
1390                 break;
1391            case WXK_NUMPAD0: case WXK_NUMPAD1: case WXK_NUMPAD2:
1392            case WXK_NUMPAD3: case WXK_NUMPAD4: case WXK_NUMPAD5:
1393            case WXK_NUMPAD6: case WXK_NUMPAD7: case WXK_NUMPAD8: case WXK_NUMPAD9:
1394                 hotkey += wxString::Format(wxT("KP_%d"), code - WXK_NUMPAD0);
1395                 break;
1396             case WXK_WINDOWS_LEFT:
1397                 hotkey << wxT("Super_L" );
1398                 break;
1399             case WXK_WINDOWS_RIGHT:
1400                 hotkey << wxT("Super_R" );
1401                 break;
1402             case WXK_WINDOWS_MENU:
1403                 hotkey << wxT("Menu" );
1404                 break;
1405             case WXK_COMMAND:
1406                 hotkey << wxT("Command" );
1407                 break;
1408           /* These probably wouldn't work as there is no SpecialX in gdk/keynames.txt
1409             case WXK_SPECIAL1: case WXK_SPECIAL2: case WXK_SPECIAL3: case WXK_SPECIAL4:
1410             case WXK_SPECIAL5: case WXK_SPECIAL6: case WXK_SPECIAL7: case WXK_SPECIAL8:
1411             case WXK_SPECIAL9:  case WXK_SPECIAL10:  case WXK_SPECIAL11: case WXK_SPECIAL12:
1412             case WXK_SPECIAL13: case WXK_SPECIAL14: case WXK_SPECIAL15: case WXK_SPECIAL16:
1413             case WXK_SPECIAL17: case WXK_SPECIAL18: case WXK_SPECIAL19:  case WXK_SPECIAL20:
1414                 hotkey += wxString::Format(wxT("Special%d"), code - WXK_SPECIAL1 + 1);
1415                 break;
1416           */
1417                 // if there are any other keys wxGetAccelFromString() may
1418                 // return, we should process them here
1419
1420             default:
1421                 if ( code < 127 )
1422                 {
1423                     wxString name = wxGTK_CONV_BACK( gdk_keyval_name((guint)code) );
1424                     if ( name )
1425                     {
1426                         hotkey << name;
1427                         break;
1428                     }
1429                 }
1430
1431                 wxFAIL_MSG( wxT("unknown keyboard accel") );
1432         }
1433
1434         delete accel;
1435     }
1436
1437     return hotkey;
1438 }
1439
1440 #endif // wxUSE_ACCEL
1441
1442 // ----------------------------------------------------------------------------
1443 // Pop-up menu stuff
1444 // ----------------------------------------------------------------------------
1445
1446 #if wxUSE_MENUS_NATIVE
1447
1448 extern "C"
1449 void gtk_pop_hide_callback( GtkWidget *WXUNUSED(widget), bool* is_waiting  )
1450 {
1451     *is_waiting = FALSE;
1452 }
1453
1454 void SetInvokingWindow( wxMenu *menu, wxWindow* win )
1455 {
1456     menu->SetInvokingWindow( win );
1457
1458     wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
1459     while (node)
1460     {
1461         wxMenuItem *menuitem = node->GetData();
1462         if (menuitem->IsSubMenu())
1463         {
1464             SetInvokingWindow( menuitem->GetSubMenu(), win );
1465         }
1466
1467         node = node->GetNext();
1468     }
1469 }
1470
1471 extern "C"
1472 void wxPopupMenuPositionCallback( GtkMenu *menu,
1473                                   gint *x, gint *y,
1474                                   gpointer user_data )
1475 {
1476     // ensure that the menu appears entirely on screen
1477     GtkRequisition req;
1478     gtk_widget_get_child_requisition(GTK_WIDGET(menu), &req);
1479
1480     wxSize sizeScreen = wxGetDisplaySize();
1481     wxPoint *pos = (wxPoint*)user_data;
1482
1483     gint xmax = sizeScreen.x - req.width,
1484          ymax = sizeScreen.y - req.height;
1485
1486     *x = pos->x < xmax ? pos->x : xmax;
1487     *y = pos->y < ymax ? pos->y : ymax;
1488 }
1489
1490 bool wxWindowGTK::DoPopupMenu( wxMenu *menu, int x, int y )
1491 {
1492     wxCHECK_MSG( m_widget != NULL, false, wxT("invalid window") );
1493
1494     wxCHECK_MSG( menu != NULL, false, wxT("invalid popup-menu") );
1495
1496     // NOTE: if you change this code, you need to update
1497     //       the same code in taskbar.cpp as well. This
1498     //       is ugly code duplication, I know.
1499
1500     SetInvokingWindow( menu, this );
1501
1502     menu->UpdateUI();
1503
1504     bool is_waiting = true;
1505
1506     gulong handler = gtk_signal_connect( GTK_OBJECT(menu->m_menu),
1507                                          "hide",
1508                                          GTK_SIGNAL_FUNC(gtk_pop_hide_callback),
1509                                          (gpointer)&is_waiting );
1510
1511     wxPoint pos;
1512     gpointer userdata;
1513     GtkMenuPositionFunc posfunc;
1514     if ( x == -1 && y == -1 )
1515     {
1516         // use GTK's default positioning algorithm
1517         userdata = NULL;
1518         posfunc = NULL;
1519     }
1520     else
1521     {
1522         pos = ClientToScreen(wxPoint(x, y));
1523         userdata = &pos;
1524         posfunc = wxPopupMenuPositionCallback;
1525     }
1526
1527     wxMenuEvent eventOpen(wxEVT_MENU_OPEN, -1, menu);
1528     DoCommonMenuCallbackCode(menu, eventOpen);
1529
1530     gtk_menu_popup(
1531                   GTK_MENU(menu->m_menu),
1532                   (GtkWidget *) NULL,           // parent menu shell
1533                   (GtkWidget *) NULL,           // parent menu item
1534                   posfunc,                      // function to position it
1535                   userdata,                     // client data
1536                   0,                            // button used to activate it
1537                   wxGtkTimeLastClick            // the time of activation
1538                 );
1539
1540     while (is_waiting)
1541     {
1542         gtk_main_iteration();
1543     }
1544
1545     gtk_signal_disconnect(GTK_OBJECT(menu->m_menu), handler);
1546
1547     wxMenuEvent eventClose(wxEVT_MENU_CLOSE, -1, menu);
1548     DoCommonMenuCallbackCode(menu, eventClose);
1549
1550     return true;
1551 }
1552
1553 #endif // wxUSE_MENUS_NATIVE
1554