src/gtk/menu.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/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
  15 #ifndef WX_PRECOMP
  16     #include "wx/intl.h"
  17     #include "wx/log.h"
  18     #include "wx/frame.h"
  19     #include "wx/bitmap.h"
  20 #endif
  21
  22 #include "wx/accel.h"
  23 #include "wx/stockitem.h"
  24 #include "wx/gtk/private.h"
  25
  26 // FIXME: is this right? somehow I don't think so (VZ)
  27
  28 #define gtk_accel_group_attach(g, o) gtk_window_add_accel_group((o), (g))
  29 //#define gtk_accel_group_detach(g, o) gtk_window_remove_accel_group((o), (g))
  30 //#define gtk_menu_ensure_uline_accel_group(m) gtk_menu_get_accel_group(m)
  31
  32 #define ACCEL_OBJECT        GtkWindow
  33 #define ACCEL_OBJECTS(a)    (a)->acceleratables
  34 #define ACCEL_OBJ_CAST(obj) ((GtkWindow*) obj)
  35
  36 // we use normal item but with a special id for the menu title
  37 static const int wxGTK_TITLE_ID = -3;
  38
  39 //-----------------------------------------------------------------------------
  40 // idle system
  41 //-----------------------------------------------------------------------------
  42
  43 #if wxUSE_ACCEL
  44 static wxString GetGtkHotKey( const wxMenuItem& item );
  45 #endif
  46
  47 //-----------------------------------------------------------------------------
  48 // idle system
  49 //-----------------------------------------------------------------------------
  50
  51 static wxString wxReplaceUnderscore( const wxString& title )
  52 {
  53     const wxChar *pc;
  54
  55     // GTK 1.2 wants to have "_" instead of "&" for accelerators
  56     wxString str;
  57     pc = title;
  58     while (*pc != wxT('\0'))
  59     {
  60         if ((*pc == wxT('&')) && (*(pc+1) == wxT('&')))
  61         {
  62             // "&" is doubled to indicate "&" instead of accelerator
  63             ++pc;
  64             str << wxT('&');
  65         }
  66         else if (*pc == wxT('&'))
  67         {
  68             str << wxT('_');
  69         }
  70         else
  71         {
  72             if ( *pc == wxT('_') )
  73             {
  74                 // underscores must be doubled to prevent them from being
  75                 // interpreted as accelerator character prefix by GTK
  76                 str << *pc;
  77             }
  78
  79             str << *pc;
  80         }
  81         ++pc;
  82     }
  83
  84     // wxPrintf( wxT("before %s after %s\n"), title.c_str(), str.c_str() );
  85
  86     return str;
  87 }
  88
  89 //-----------------------------------------------------------------------------
  90 // activate message from GTK
  91 //-----------------------------------------------------------------------------
  92
  93 static void DoCommonMenuCallbackCode(wxMenu *menu, wxMenuEvent& event)
  94 {
  95     if (g_isIdle)
  96         wxapp_install_idle_handler();
  97
  98     event.SetEventObject( menu );
  99
 100     wxEvtHandler* handler = menu->GetEventHandler();
 101     if (handler && handler->ProcessEvent(event))
 102         return;
 103
 104     wxWindow *win = menu->GetInvokingWindow();
 105     if (win)
 106         win->GetEventHandler()->ProcessEvent( event );
 107 }
 108
 109 extern "C" {
 110
 111 static void gtk_menu_open_callback( GtkWidget *widget, wxMenu *menu )
 112 {
 113     wxMenuEvent event(wxEVT_MENU_OPEN, -1, menu);
 114
 115     DoCommonMenuCallbackCode(menu, event);
 116 }
 117
 118 static void gtk_menu_close_callback( GtkWidget *widget, wxMenuBar *menubar )
 119 {
 120     if ( !menubar->GetMenuCount() )
 121     {
 122         // if menubar is empty we can't call GetMenu(0) below
 123         return;
 124     }
 125
 126     wxMenuEvent event( wxEVT_MENU_CLOSE, -1, NULL );
 127
 128     DoCommonMenuCallbackCode(menubar->GetMenu(0), event);
 129 }
 130
 131 }
 132
 133 //-----------------------------------------------------------------------------
 134 // wxMenuBar
 135 //-----------------------------------------------------------------------------
 136
 137 IMPLEMENT_DYNAMIC_CLASS(wxMenuBar,wxWindow)
 138
 139 void wxMenuBar::Init(size_t n, wxMenu *menus[], const wxString titles[], long style)
 140 {
 141     // the parent window is known after wxFrame::SetMenu()
 142     m_needParent = false;
 143     m_style = style;
 144     m_invokingWindow = (wxWindow*) NULL;
 145
 146     if (!PreCreation( (wxWindow*) NULL, wxDefaultPosition, wxDefaultSize ) ||
 147         !CreateBase( (wxWindow*) NULL, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("menubar") ))
 148     {
 149         wxFAIL_MSG( wxT("wxMenuBar creation failed") );
 150         return;
 151     }
 152
 153     m_menubar = gtk_menu_bar_new();
 154
 155     if (style & wxMB_DOCKABLE)
 156     {
 157         m_widget = gtk_handle_box_new();
 158         gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_menubar) );
 159         gtk_widget_show( GTK_WIDGET(m_menubar) );
 160     }
 161     else
 162     {
 163         m_widget = GTK_WIDGET(m_menubar);
 164     }
 165
 166     PostCreation();
 167
 168     ApplyWidgetStyle();
 169
 170     for (size_t i = 0; i < n; ++i )
 171         Append(menus[i], titles[i]);
 172
 173     // VZ: for some reason connecting to menus "deactivate" doesn't work (we
 174     //     don't get it when the menu is dismissed by clicking outside the
 175     //     toolbar) so we connect to the global one, even if it means that we
 176     //     can't pass the menu which was closed in wxMenuEvent object
 177     g_signal_connect (m_menubar, "deactivate",
 178                       G_CALLBACK (gtk_menu_close_callback), this);
 179
 180 }
 181
 182 wxMenuBar::wxMenuBar(size_t n, wxMenu *menus[], const wxString titles[], long style)
 183 {
 184     Init(n, menus, titles, style);
 185 }
 186
 187 wxMenuBar::wxMenuBar(long style)
 188 {
 189     Init(0, NULL, NULL, style);
 190 }
 191
 192 wxMenuBar::wxMenuBar()
 193 {
 194     Init(0, NULL, NULL, 0);
 195 }
 196
 197 wxMenuBar::~wxMenuBar()
 198 {
 199 }
 200
 201 static void wxMenubarUnsetInvokingWindow( wxMenu *menu, wxWindow *win )
 202 {
 203     menu->SetInvokingWindow( (wxWindow*) NULL );
 204
 205     wxWindow *top_frame = win;
 206     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 207         top_frame = top_frame->GetParent();
 208
 209     wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
 210     while (node)
 211     {
 212         wxMenuItem *menuitem = node->GetData();
 213         if (menuitem->IsSubMenu())
 214             wxMenubarUnsetInvokingWindow( menuitem->GetSubMenu(), win );
 215         node = node->GetNext();
 216     }
 217 }
 218
 219 static void wxMenubarSetInvokingWindow( wxMenu *menu, wxWindow *win )
 220 {
 221     menu->SetInvokingWindow( win );
 222
 223     wxWindow *top_frame = win;
 224     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 225         top_frame = top_frame->GetParent();
 226
 227     // support for native hot keys
 228     ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget);
 229     if ( !g_slist_find( ACCEL_OBJECTS(menu->m_accel), obj ) )
 230         gtk_accel_group_attach( menu->m_accel, obj );
 231
 232     wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
 233     while (node)
 234     {
 235         wxMenuItem *menuitem = node->GetData();
 236         if (menuitem->IsSubMenu())
 237             wxMenubarSetInvokingWindow( menuitem->GetSubMenu(), win );
 238         node = node->GetNext();
 239     }
 240 }
 241
 242 void wxMenuBar::SetInvokingWindow( wxWindow *win )
 243 {
 244     m_invokingWindow = win;
 245     wxWindow *top_frame = win;
 246     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 247         top_frame = top_frame->GetParent();
 248
 249     wxMenuList::compatibility_iterator node = m_menus.GetFirst();
 250     while (node)
 251     {
 252         wxMenu *menu = node->GetData();
 253         wxMenubarSetInvokingWindow( menu, win );
 254         node = node->GetNext();
 255     }
 256 }
 257
 258 void wxMenuBar::UnsetInvokingWindow( wxWindow *win )
 259 {
 260     m_invokingWindow = (wxWindow*) NULL;
 261     wxWindow *top_frame = win;
 262     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 263         top_frame = top_frame->GetParent();
 264
 265     wxMenuList::compatibility_iterator node = m_menus.GetFirst();
 266     while (node)
 267     {
 268         wxMenu *menu = node->GetData();
 269         wxMenubarUnsetInvokingWindow( menu, win );
 270         node = node->GetNext();
 271     }
 272 }
 273
 274 bool wxMenuBar::Append( wxMenu *menu, const wxString &title )
 275 {
 276     if ( !wxMenuBarBase::Append( menu, title ) )
 277         return false;
 278
 279     return GtkAppend(menu, title);
 280 }
 281
 282 bool wxMenuBar::GtkAppend(wxMenu *menu, const wxString& title, int pos)
 283 {
 284     wxString str( wxReplaceUnderscore( title ) );
 285
 286     // This doesn't have much effect right now.
 287     menu->SetTitle( str );
 288
 289     // The "m_owner" is the "menu item"
 290     menu->m_owner = gtk_menu_item_new_with_mnemonic( wxGTK_CONV( str ) );
 291
 292     gtk_widget_show( menu->m_owner );
 293
 294     gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
 295
 296     if (pos == -1)
 297         gtk_menu_shell_append( GTK_MENU_SHELL(m_menubar), menu->m_owner );
 298     else
 299         gtk_menu_shell_insert( GTK_MENU_SHELL(m_menubar), menu->m_owner, pos );
 300
 301     g_signal_connect (menu->m_owner, "activate",
 302                       G_CALLBACK (gtk_menu_open_callback),
 303                       menu);
 304
 305     // m_invokingWindow is set after wxFrame::SetMenuBar(). This call enables
 306     // addings menu later on.
 307     if (m_invokingWindow)
 308     {
 309         wxMenubarSetInvokingWindow( menu, m_invokingWindow );
 310
 311             // OPTIMISE ME:  we should probably cache this, or pass it
 312             //               directly, but for now this is a minimal
 313             //               change to validate the new dynamic sizing.
 314             //               see (and refactor :) similar code in Remove
 315             //               below.
 316
 317         wxFrame *frame = wxDynamicCast( m_invokingWindow, wxFrame );
 318
 319         if( frame )
 320             frame->UpdateMenuBarSize();
 321     }
 322
 323     return true;
 324 }
 325
 326 bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
 327 {
 328     if ( !wxMenuBarBase::Insert(pos, menu, title) )
 329         return false;
 330
 331     // TODO
 332
 333     if ( !GtkAppend(menu, title, (int)pos) )
 334         return false;
 335
 336     return true;
 337 }
 338
 339 wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
 340 {
 341     // remove the old item and insert a new one
 342     wxMenu *menuOld = Remove(pos);
 343     if ( menuOld && !Insert(pos, menu, title) )
 344     {
 345         return (wxMenu*) NULL;
 346     }
 347
 348     // either Insert() succeeded or Remove() failed and menuOld is NULL
 349     return menuOld;
 350 }
 351
 352 wxMenu *wxMenuBar::Remove(size_t pos)
 353 {
 354     wxMenu *menu = wxMenuBarBase::Remove(pos);
 355     if ( !menu )
 356         return (wxMenu*) NULL;
 357
 358     gtk_menu_item_remove_submenu( GTK_MENU_ITEM(menu->m_owner) );
 359     gtk_container_remove(GTK_CONTAINER(m_menubar), menu->m_owner);
 360
 361     gtk_widget_destroy( menu->m_owner );
 362     menu->m_owner = NULL;
 363
 364     if (m_invokingWindow)
 365     {
 366         // OPTIMISE ME:  see comment in GtkAppend
 367         wxFrame *frame = wxDynamicCast( m_invokingWindow, wxFrame );
 368
 369         if( frame )
 370             frame->UpdateMenuBarSize();
 371     }
 372
 373     return menu;
 374 }
 375
 376 static int FindMenuItemRecursive( const wxMenu *menu, const wxString &menuString, const wxString &itemString )
 377 {
 378     if (wxMenuItem::GetLabelFromText(menu->GetTitle()) == wxMenuItem::GetLabelFromText(menuString))
 379     {
 380         int res = menu->FindItem( itemString );
 381         if (res != wxNOT_FOUND)
 382             return res;
 383     }
 384
 385     wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
 386     while (node)
 387     {
 388         wxMenuItem *item = node->GetData();
 389         if (item->IsSubMenu())
 390             return FindMenuItemRecursive(item->GetSubMenu(), menuString, itemString);
 391
 392         node = node->GetNext();
 393     }
 394
 395     return wxNOT_FOUND;
 396 }
 397
 398 int wxMenuBar::FindMenuItem( const wxString &menuString, const wxString &itemString ) const
 399 {
 400     wxMenuList::compatibility_iterator node = m_menus.GetFirst();
 401     while (node)
 402     {
 403         wxMenu *menu = node->GetData();
 404         int res = FindMenuItemRecursive( menu, menuString, itemString);
 405         if (res != -1)
 406             return res;
 407         node = node->GetNext();
 408     }
 409
 410     return wxNOT_FOUND;
 411 }
 412
 413 // Find a wxMenuItem using its id. Recurses down into sub-menus
 414 static wxMenuItem* FindMenuItemByIdRecursive(const wxMenu* menu, int id)
 415 {
 416     wxMenuItem* result = menu->FindChildItem(id);
 417
 418     wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
 419     while ( node && result == NULL )
 420     {
 421         wxMenuItem *item = node->GetData();
 422         if (item->IsSubMenu())
 423         {
 424             result = FindMenuItemByIdRecursive( item->GetSubMenu(), id );
 425         }
 426         node = node->GetNext();
 427     }
 428
 429     return result;
 430 }
 431
 432 wxMenuItem* wxMenuBar::FindItem( int id, wxMenu **menuForItem ) const
 433 {
 434     wxMenuItem* result = 0;
 435     wxMenuList::compatibility_iterator node = m_menus.GetFirst();
 436     while (node && result == 0)
 437     {
 438         wxMenu *menu = node->GetData();
 439         result = FindMenuItemByIdRecursive( menu, id );
 440         node = node->GetNext();
 441     }
 442
 443     if ( menuForItem )
 444     {
 445         *menuForItem = result ? result->GetMenu() : (wxMenu *)NULL;
 446     }
 447
 448     return result;
 449 }
 450
 451 void wxMenuBar::EnableTop( size_t pos, bool flag )
 452 {
 453     wxMenuList::compatibility_iterator node = m_menus.Item( pos );
 454
 455     wxCHECK_RET( node, wxT("menu not found") );
 456
 457     wxMenu* menu = node->GetData();
 458
 459     if (menu->m_owner)
 460         gtk_widget_set_sensitive( menu->m_owner, flag );
 461 }
 462
 463 wxString wxMenuBar::GetLabelTop( size_t pos ) const
 464 {
 465     wxMenuList::compatibility_iterator node = m_menus.Item( pos );
 466
 467     wxCHECK_MSG( node, wxT("invalid"), wxT("menu not found") );
 468
 469     wxMenu* menu = node->GetData();
 470
 471     wxString label;
 472     wxString text( menu->GetTitle() );
 473     for ( const wxChar *pc = text.c_str(); *pc; pc++ )
 474     {
 475         if ( *pc == wxT('_') )
 476         {
 477             // '_' is the escape character for GTK+
 478             continue;
 479         }
 480
 481         // don't remove ampersands '&' since if we have them in the menu title
 482         // it means that they were doubled to indicate "&" instead of accelerator
 483
 484         label += *pc;
 485     }
 486
 487     return label;
 488 }
 489
 490 void wxMenuBar::SetLabelTop( size_t pos, const wxString& label )
 491 {
 492     wxMenuList::compatibility_iterator node = m_menus.Item( pos );
 493
 494     wxCHECK_RET( node, wxT("menu not found") );
 495
 496     wxMenu* menu = node->GetData();
 497
 498     const wxString str( wxReplaceUnderscore( label ) );
 499
 500     menu->SetTitle( str );
 501
 502     if (menu->m_owner)
 503         gtk_label_set_text_with_mnemonic( GTK_LABEL( GTK_BIN(menu->m_owner)->child), wxGTK_CONV(str) );
 504 }
 505
 506 //-----------------------------------------------------------------------------
 507 // "activate"
 508 //-----------------------------------------------------------------------------
 509
 510 extern "C" {
 511 static void gtk_menu_clicked_callback( GtkWidget *widget, wxMenu *menu )
 512 {
 513     if (g_isIdle)
 514         wxapp_install_idle_handler();
 515
 516     int id = menu->FindMenuIdByMenuItem(widget);
 517
 518     /* should find it for normal (not popup) menu */
 519     wxASSERT_MSG( (id != -1) || (menu->GetInvokingWindow() != NULL),
 520                   _T("menu item not found in gtk_menu_clicked_callback") );
 521
 522     if (!menu->IsEnabled(id))
 523         return;
 524
 525     wxMenuItem* item = menu->FindChildItem( id );
 526     wxCHECK_RET( item, wxT("error in menu item callback") );
 527
 528     if ( item->GetId() == wxGTK_TITLE_ID )
 529     {
 530         // ignore events from the menu title
 531         return;
 532     }
 533
 534     if (item->IsCheckable())
 535     {
 536         bool isReallyChecked = item->IsChecked(),
 537             isInternallyChecked = item->wxMenuItemBase::IsChecked();
 538
 539         // ensure that the internal state is always consistent with what is
 540         // shown on the screen
 541         item->wxMenuItemBase::Check(isReallyChecked);
 542
 543         // we must not report the events for the radio button going up nor the
 544         // events resulting from the calls to wxMenuItem::Check()
 545         if ( (item->GetKind() == wxITEM_RADIO && !isReallyChecked) ||
 546              (isInternallyChecked == isReallyChecked) )
 547         {
 548             return;
 549         }
 550     }
 551
 552
 553     // Is this menu on a menubar?  (possibly nested)
 554     wxFrame* frame = NULL;
 555     if(menu->IsAttached())
 556         frame = menu->GetMenuBar()->GetFrame();
 557
 558     // FIXME: why do we have to call wxFrame::GetEventHandler() directly here?
 559     //        normally wxMenu::SendEvent() should be enough, if it doesn't work
 560     //        in wxGTK then we have a bug in wxMenu::GetInvokingWindow() which
 561     //        should be fixed instead of working around it here...
 562     if (frame)
 563     {
 564         // If it is attached then let the frame send the event.
 565         // Don't call frame->ProcessCommand(id) because it toggles
 566         // checkable items and we've already done that above.
 567         wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, id);
 568         commandEvent.SetEventObject(frame);
 569         if (item->IsCheckable())
 570             commandEvent.SetInt(item->IsChecked());
 571         commandEvent.SetEventObject(menu);
 572
 573         frame->GetEventHandler()->ProcessEvent(commandEvent);
 574     }
 575     else
 576     {
 577         // otherwise let the menu have it
 578         menu->SendEvent(id, item->IsCheckable() ? item->IsChecked() : -1);
 579     }
 580 }
 581 }
 582
 583 //-----------------------------------------------------------------------------
 584 // "select"
 585 //-----------------------------------------------------------------------------
 586
 587 extern "C" {
 588 static void gtk_menu_hilight_callback( GtkWidget *widget, wxMenu *menu )
 589 {
 590     if (g_isIdle) wxapp_install_idle_handler();
 591
 592     int id = menu->FindMenuIdByMenuItem(widget);
 593
 594     wxASSERT( id != -1 ); // should find it!
 595
 596     if (!menu->IsEnabled(id))
 597         return;
 598
 599     wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, id );
 600     event.SetEventObject( menu );
 601
 602     wxEvtHandler* handler = menu->GetEventHandler();
 603     if (handler && handler->ProcessEvent(event))
 604         return;
 605
 606     wxWindow *win = menu->GetInvokingWindow();
 607     if (win) win->GetEventHandler()->ProcessEvent( event );
 608 }
 609 }
 610
 611 //-----------------------------------------------------------------------------
 612 // "deselect"
 613 //-----------------------------------------------------------------------------
 614
 615 extern "C" {
 616 static void gtk_menu_nolight_callback( GtkWidget *widget, wxMenu *menu )
 617 {
 618     if (g_isIdle) wxapp_install_idle_handler();
 619
 620     int id = menu->FindMenuIdByMenuItem(widget);
 621
 622     wxASSERT( id != -1 ); // should find it!
 623
 624     if (!menu->IsEnabled(id))
 625         return;
 626
 627     wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, -1 );
 628     event.SetEventObject( menu );
 629
 630     wxEvtHandler* handler = menu->GetEventHandler();
 631     if (handler && handler->ProcessEvent(event))
 632         return;
 633
 634     wxWindow *win = menu->GetInvokingWindow();
 635     if (win)
 636         win->GetEventHandler()->ProcessEvent( event );
 637 }
 638 }
 639
 640 //-----------------------------------------------------------------------------
 641 // wxMenuItem
 642 //-----------------------------------------------------------------------------
 643
 644 IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
 645
 646 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
 647                                 int id,
 648                                 const wxString& name,
 649                                 const wxString& help,
 650                                 wxItemKind kind,
 651                                 wxMenu *subMenu)
 652 {
 653     return new wxMenuItem(parentMenu, id, name, help, kind, subMenu);
 654 }
 655
 656 wxMenuItem::wxMenuItem(wxMenu *parentMenu,
 657                        int id,
 658                        const wxString& text,
 659                        const wxString& help,
 660                        wxItemKind kind,
 661                        wxMenu *subMenu)
 662           : wxMenuItemBase(parentMenu, id, text, help, kind, subMenu)
 663 {
 664     Init(text);
 665 }
 666
 667 wxMenuItem::wxMenuItem(wxMenu *parentMenu,
 668                        int id,
 669                        const wxString& text,
 670                        const wxString& help,
 671                        bool isCheckable,
 672                        wxMenu *subMenu)
 673           : wxMenuItemBase(parentMenu, id, text, help,
 674                            isCheckable ? wxITEM_CHECK : wxITEM_NORMAL, subMenu)
 675 {
 676     Init(text);
 677 }
 678
 679 void wxMenuItem::Init(const wxString& text)
 680 {
 681     m_labelWidget = (GtkWidget *) NULL;
 682     m_menuItem = (GtkWidget *) NULL;
 683
 684     DoSetText(text);
 685 }
 686
 687 wxMenuItem::~wxMenuItem()
 688 {
 689    // don't delete menu items, the menus take care of that
 690 }
 691
 692 // return the menu item text without any menu accels
 693 /* static */
 694 wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
 695 {
 696     wxString label;
 697
 698     for ( const wxChar *pc = text.c_str(); *pc; pc++ )
 699     {
 700         if ( *pc == wxT('\t'))
 701             break;
 702
 703         if ( *pc == wxT('_') )
 704         {
 705             // GTK 1.2 escapes "xxx_xxx" to "xxx__xxx"
 706             pc++;
 707             label += *pc;
 708             continue;
 709         }
 710
 711         if ( *pc == wxT('\\')  )
 712         {
 713             // GTK 2.0 escapes "xxx/xxx" to "xxx\/xxx"
 714             pc++;
 715             label += *pc;
 716             continue;
 717         }
 718
 719         if ( (*pc == wxT('&')) && (*(pc+1) != wxT('&')) )
 720         {
 721             // wxMSW escapes "&"
 722             // "&" is doubled to indicate "&" instead of accelerator
 723             continue;
 724         }
 725
 726         label += *pc;
 727     }
 728
 729     // wxPrintf( wxT("GetLabelFromText(): text %s label %s\n"), text.c_str(), label.c_str() );
 730
 731     return label;
 732 }
 733
 734 void wxMenuItem::SetText( const wxString& str )
 735 {
 736     // Some optimization to avoid flicker
 737     wxString oldLabel = m_text;
 738     oldLabel = wxStripMenuCodes(oldLabel);
 739     oldLabel.Replace(wxT("_"), wxT(""));
 740     wxString label1 = wxStripMenuCodes(str);
 741     wxString oldhotkey = GetHotKey();    // Store the old hotkey in Ctrl-foo format
 742     wxCharBuffer oldbuf = wxGTK_CONV_SYS( GetGtkHotKey(*this) );  // and as <control>foo
 743
 744     DoSetText(str);
 745
 746     if (oldLabel == label1 &&
 747              oldhotkey == GetHotKey())    // Make sure we can change a hotkey even if the label is unaltered
 748         return;
 749
 750     if (m_menuItem)
 751     {
 752         GtkLabel *label;
 753         if (m_labelWidget)
 754             label = (GtkLabel*) m_labelWidget;
 755         else
 756             label = GTK_LABEL( GTK_BIN(m_menuItem)->child );
 757
 758         gtk_label_set_text_with_mnemonic( GTK_LABEL(label), wxGTK_CONV_SYS(m_text) );
 759     }
 760
 761     guint accel_key;
 762     GdkModifierType accel_mods;
 763     gtk_accelerator_parse( (const char*) oldbuf, &accel_key, &accel_mods);
 764     if (accel_key != 0)
 765     {
 766         gtk_widget_remove_accelerator( GTK_WIDGET(m_menuItem),
 767                                        m_parentMenu->m_accel,
 768                                        accel_key,
 769                                        accel_mods );
 770     }
 771
 772     wxCharBuffer buf = wxGTK_CONV_SYS( GetGtkHotKey(*this) );
 773     gtk_accelerator_parse( (const char*) buf, &accel_key, &accel_mods);
 774     if (accel_key != 0)
 775     {
 776         gtk_widget_add_accelerator( GTK_WIDGET(m_menuItem),
 777                                     "activate",
 778                                     m_parentMenu->m_accel,
 779                                     accel_key,
 780                                     accel_mods,
 781                                     GTK_ACCEL_VISIBLE);
 782     }
 783 }
 784
 785 // it's valid for this function to be called even if m_menuItem == NULL
 786 void wxMenuItem::DoSetText( const wxString& str )
 787 {
 788     // '\t' is the deliminator indicating a hot key
 789     m_text.Empty();
 790     const wxChar *pc = str;
 791     while ( (*pc != wxT('\0')) && (*pc != wxT('\t')) )
 792     {
 793         if ((*pc == wxT('&')) && (*(pc+1) == wxT('&')))
 794         {
 795             // "&" is doubled to indicate "&" instead of accelerator
 796             ++pc;
 797             m_text << wxT('&');
 798         }
 799         else if (*pc == wxT('&'))
 800         {
 801             m_text << wxT('_');
 802         }
 803         else if ( *pc == wxT('_') )    // escape underscores
 804         {
 805             m_text << wxT("__");
 806         }
 807         else
 808         {
 809             m_text << *pc;
 810         }
 811         ++pc;
 812     }
 813
 814     m_hotKey = wxT("");
 815
 816     if(*pc == wxT('\t'))
 817     {
 818        pc++;
 819        m_hotKey = pc;
 820     }
 821
 822     // wxPrintf( wxT("DoSetText(): str %s m_text %s hotkey %s\n"), str.c_str(), m_text.c_str(), m_hotKey.c_str() );
 823 }
 824
 825 #if wxUSE_ACCEL
 826
 827 wxAcceleratorEntry *wxMenuItem::GetAccel() const
 828 {
 829     if ( !GetHotKey() )
 830     {
 831         // nothing
 832         return (wxAcceleratorEntry *)NULL;
 833     }
 834
 835     // as wxGetAccelFromString() looks for TAB, insert a dummy one here
 836     wxString label;
 837     label << wxT('\t') << GetHotKey();
 838
 839     return wxGetAccelFromString(label);
 840 }
 841
 842 #endif // wxUSE_ACCEL
 843
 844 void wxMenuItem::Check( bool check )
 845 {
 846     wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
 847
 848     if (check == m_isChecked)
 849         return;
 850
 851     wxMenuItemBase::Check( check );
 852
 853     switch ( GetKind() )
 854     {
 855         case wxITEM_CHECK:
 856         case wxITEM_RADIO:
 857             gtk_check_menu_item_set_active( (GtkCheckMenuItem*)m_menuItem, (gint)check );
 858             break;
 859
 860         default:
 861             wxFAIL_MSG( _T("can't check this item") );
 862     }
 863 }
 864
 865 void wxMenuItem::Enable( bool enable )
 866 {
 867     wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
 868
 869     gtk_widget_set_sensitive( m_menuItem, enable );
 870     wxMenuItemBase::Enable( enable );
 871 }
 872
 873 bool wxMenuItem::IsChecked() const
 874 {
 875     wxCHECK_MSG( m_menuItem, false, wxT("invalid menu item") );
 876
 877     wxCHECK_MSG( IsCheckable(), false,
 878                  wxT("can't get state of uncheckable item!") );
 879
 880     return ((GtkCheckMenuItem*)m_menuItem)->active != 0;
 881 }
 882
 883 //-----------------------------------------------------------------------------
 884 // wxMenu
 885 //-----------------------------------------------------------------------------
 886
 887 IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler)
 888
 889 void wxMenu::Init()
 890 {
 891     m_accel = gtk_accel_group_new();
 892     m_menu = gtk_menu_new();
 893     // NB: keep reference to the menu so that it is not destroyed behind
 894     //     our back by GTK+ e.g. when it is removed from menubar:
 895     gtk_widget_ref(m_menu);
 896
 897     m_owner = (GtkWidget*) NULL;
 898
 899     // Tearoffs are entries, just like separators. So if we want this
 900     // menu to be a tear-off one, we just append a tearoff entry
 901     // immediately.
 902     if ( m_style & wxMENU_TEAROFF )
 903     {
 904         GtkWidget *tearoff = gtk_tearoff_menu_item_new();
 905
 906         gtk_menu_shell_append(GTK_MENU_SHELL(m_menu), tearoff);
 907     }
 908
 909     m_prevRadio = NULL;
 910
 911     // append the title as the very first entry if we have it
 912     if ( !m_title.empty() )
 913     {
 914         Append(wxGTK_TITLE_ID, m_title);
 915         AppendSeparator();
 916     }
 917 }
 918
 919 wxMenu::~wxMenu()
 920 {
 921    WX_CLEAR_LIST(wxMenuItemList, m_items);
 922
 923    if ( GTK_IS_WIDGET( m_menu ))
 924    {
 925        // see wxMenu::Init
 926        gtk_widget_unref( m_menu );
 927        // if the menu is inserted in another menu at this time, there was
 928        // one more reference to it:
 929        if ( m_owner )
 930            gtk_widget_destroy( m_menu );
 931    }
 932 }
 933
 934 bool wxMenu::GtkAppend(wxMenuItem *mitem, int pos)
 935 {
 936     GtkWidget *menuItem;
 937
 938     wxString text;
 939
 940     if ( mitem->IsSeparator() )
 941     {
 942         menuItem = gtk_separator_menu_item_new();
 943     }
 944     else if ( mitem->GetBitmap().Ok() ||
 945                 (mitem->GetKind() == wxITEM_NORMAL &&
 946                     wxIsStockID(mitem->GetId())) )
 947     {
 948         text = mitem->GetText();
 949         wxBitmap bitmap(mitem->GetBitmap());
 950
 951         menuItem = gtk_image_menu_item_new_with_mnemonic( wxGTK_CONV_SYS( text ) );
 952
 953         GtkWidget *image;
 954         if ( !bitmap.Ok() )
 955         {
 956             // use stock bitmap for this item if available on the assumption
 957             // that it never hurts to follow GTK+ conventions more closely
 958             const char *stock = wxGetStockGtkID(mitem->GetId());
 959             image = stock ? gtk_image_new_from_stock(stock, GTK_ICON_SIZE_MENU)
 960                           : NULL;
 961         }
 962         else // we have a custom bitmap
 963         {
 964             wxASSERT_MSG( mitem->GetKind() == wxITEM_NORMAL,
 965                             _T("only normal menu items can have bitmaps") );
 966
 967             if ( bitmap.HasPixbuf() )
 968             {
 969                 image = gtk_image_new_from_pixbuf(bitmap.GetPixbuf());
 970             }
 971             else
 972             {
 973                 GdkPixmap *gdk_pixmap = bitmap.GetPixmap();
 974                 GdkBitmap *gdk_bitmap = bitmap.GetMask() ?
 975                                             bitmap.GetMask()->GetBitmap() :
 976                                             (GdkBitmap*) NULL;
 977                 image = gtk_image_new_from_pixmap( gdk_pixmap, gdk_bitmap );
 978             }
 979         }
 980
 981         if ( image )
 982         {
 983             gtk_widget_show(image);
 984
 985             gtk_image_menu_item_set_image( GTK_IMAGE_MENU_ITEM(menuItem), image );
 986         }
 987
 988         m_prevRadio = NULL;
 989     }
 990     else // a normal item
 991     {
 992         // text has "_" instead of "&" after mitem->SetText() so don't use it
 993         text = mitem->GetText() ;
 994
 995         switch ( mitem->GetKind() )
 996         {
 997             case wxITEM_CHECK:
 998             {
 999                 menuItem = gtk_check_menu_item_new_with_mnemonic( wxGTK_CONV_SYS( text ) );
1000                 m_prevRadio = NULL;
1001                 break;
1002             }
1003
1004             case wxITEM_RADIO:
1005             {
1006                 GSList *group = NULL;
1007                 if ( m_prevRadio == NULL )
1008                 {
1009                     // start of a new radio group
1010                     m_prevRadio = menuItem =
1011                         gtk_radio_menu_item_new_with_mnemonic( group, wxGTK_CONV_SYS( text ) );
1012                 }
1013                 else // continue the radio group
1014                 {
1015                     group = gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (m_prevRadio));
1016                     m_prevRadio = menuItem =
1017                         gtk_radio_menu_item_new_with_mnemonic( group, wxGTK_CONV_SYS( text ) );
1018                 }
1019                 break;
1020             }
1021
1022             default:
1023                 wxFAIL_MSG( _T("unexpected menu item kind") );
1024                 // fall through
1025
1026             case wxITEM_NORMAL:
1027             {
1028                 menuItem = gtk_menu_item_new_with_mnemonic( wxGTK_CONV_SYS( text ) );
1029                 m_prevRadio = NULL;
1030                 break;
1031             }
1032         }
1033
1034     }
1035
1036     guint accel_key;
1037     GdkModifierType accel_mods;
1038     wxCharBuffer buf = wxGTK_CONV_SYS( GetGtkHotKey(*mitem) );
1039
1040     // wxPrintf( wxT("item: %s hotkey %s\n"), mitem->GetText().c_str(), GetGtkHotKey(*mitem).c_str() );
1041     gtk_accelerator_parse( (const char*) buf, &accel_key, &accel_mods);
1042     if (accel_key != 0)
1043     {
1044         gtk_widget_add_accelerator (GTK_WIDGET(menuItem),
1045                                     "activate",
1046                                     m_accel,
1047                                     accel_key,
1048                                     accel_mods,
1049                                     GTK_ACCEL_VISIBLE);
1050     }
1051
1052     if (pos == -1)
1053         gtk_menu_shell_append(GTK_MENU_SHELL(m_menu), menuItem);
1054     else
1055         gtk_menu_shell_insert(GTK_MENU_SHELL(m_menu), menuItem, pos);
1056
1057     gtk_widget_show( menuItem );
1058
1059     if ( !mitem->IsSeparator() )
1060     {
1061         wxASSERT_MSG( menuItem, wxT("invalid menuitem") );
1062
1063         g_signal_connect (menuItem, "select",
1064                           G_CALLBACK (gtk_menu_hilight_callback), this);
1065         g_signal_connect (menuItem, "deselect",
1066                           G_CALLBACK (gtk_menu_nolight_callback), this);
1067
1068         if ( mitem->IsSubMenu() && mitem->GetKind() != wxITEM_RADIO && mitem->GetKind() != wxITEM_CHECK )
1069         {
1070             gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), mitem->GetSubMenu()->m_menu );
1071
1072             gtk_widget_show( mitem->GetSubMenu()->m_menu );
1073
1074             // if adding a submenu to a menu already existing in the menu bar, we
1075             // must set invoking window to allow processing events from this
1076             // submenu
1077             if ( m_invokingWindow )
1078                 wxMenubarSetInvokingWindow(mitem->GetSubMenu(), m_invokingWindow);
1079         }
1080         else
1081         {
1082             g_signal_connect (menuItem, "activate",
1083                               G_CALLBACK (gtk_menu_clicked_callback),
1084                               this);
1085         }
1086     }
1087
1088     mitem->SetMenuItem(menuItem);
1089
1090     if (ms_locked)
1091     {
1092         // This doesn't even exist!
1093         // gtk_widget_lock_accelerators(mitem->GetMenuItem());
1094     }
1095
1096     return true;
1097 }
1098
1099 wxMenuItem* wxMenu::DoAppend(wxMenuItem *mitem)
1100 {
1101     if (!GtkAppend(mitem))
1102         return NULL;
1103
1104     return wxMenuBase::DoAppend(mitem);
1105 }
1106
1107 wxMenuItem* wxMenu::DoInsert(size_t pos, wxMenuItem *item)
1108 {
1109     if ( !wxMenuBase::DoInsert(pos, item) )
1110         return NULL;
1111
1112     // TODO
1113     if ( !GtkAppend(item, (int)pos) )
1114         return NULL;
1115
1116     return item;
1117 }
1118
1119 wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
1120 {
1121     if ( !wxMenuBase::DoRemove(item) )
1122         return (wxMenuItem *)NULL;
1123
1124     // TODO: this code doesn't delete the item factory item and this seems
1125     //       impossible as of GTK 1.2.6.
1126     gtk_widget_destroy( item->GetMenuItem() );
1127
1128     return item;
1129 }
1130
1131 int wxMenu::FindMenuIdByMenuItem( GtkWidget *menuItem ) const
1132 {
1133     wxMenuItemList::compatibility_iterator node = m_items.GetFirst();
1134     while (node)
1135     {
1136         wxMenuItem *item = node->GetData();
1137         if (item->GetMenuItem() == menuItem)
1138             return item->GetId();
1139         node = node->GetNext();
1140     }
1141
1142     return wxNOT_FOUND;
1143 }
1144
1145 // ----------------------------------------------------------------------------
1146 // helpers
1147 // ----------------------------------------------------------------------------
1148
1149 #if wxUSE_ACCEL
1150
1151 static wxString GetGtkHotKey( const wxMenuItem& item )
1152 {
1153     wxString hotkey;
1154
1155     wxAcceleratorEntry *accel = item.GetAccel();
1156     if ( accel )
1157     {
1158         int flags = accel->GetFlags();
1159         if ( flags & wxACCEL_ALT )
1160             hotkey += wxT("<alt>");
1161         if ( flags & wxACCEL_CTRL )
1162             hotkey += wxT("<control>");
1163         if ( flags & wxACCEL_SHIFT )
1164             hotkey += wxT("<shift>");
1165
1166         int code = accel->GetKeyCode();
1167         switch ( code )
1168         {
1169             case WXK_F1:
1170             case WXK_F2:
1171             case WXK_F3:
1172             case WXK_F4:
1173             case WXK_F5:
1174             case WXK_F6:
1175             case WXK_F7:
1176             case WXK_F8:
1177             case WXK_F9:
1178             case WXK_F10:
1179             case WXK_F11:
1180             case WXK_F12:
1181             case WXK_F13:
1182             case WXK_F14:
1183             case WXK_F15:
1184             case WXK_F16:
1185             case WXK_F17:
1186             case WXK_F18:
1187             case WXK_F19:
1188             case WXK_F20:
1189             case WXK_F21:
1190             case WXK_F22:
1191             case WXK_F23:
1192             case WXK_F24:
1193                 hotkey += wxString::Format(wxT("F%d"), code - WXK_F1 + 1);
1194                 break;
1195
1196                 // TODO: we should use gdk_keyval_name() (a.k.a.
1197                 //       XKeysymToString) here as well as hardcoding the keysym
1198                 //       names this might be not portable
1199            case WXK_INSERT:
1200                 hotkey << wxT("Insert" );
1201                 break;
1202             case WXK_DELETE:
1203                 hotkey << wxT("Delete" );
1204                 break;
1205             case WXK_UP:
1206                 hotkey << wxT("Up" );
1207                 break;
1208             case WXK_DOWN:
1209                 hotkey << wxT("Down" );
1210                 break;
1211             case WXK_PAGEUP:
1212                 hotkey << wxT("PgUp" );
1213                 break;
1214             case WXK_PAGEDOWN:
1215                 hotkey << wxT("PgDn" );
1216                 break;
1217             case WXK_LEFT:
1218                 hotkey << wxT("Left" );
1219                 break;
1220             case WXK_RIGHT:
1221                 hotkey << wxT("Right" );
1222                 break;
1223             case WXK_HOME:
1224                 hotkey << wxT("Home" );
1225                 break;
1226             case WXK_END:
1227                 hotkey << wxT("End" );
1228                 break;
1229             case WXK_RETURN:
1230                 hotkey << wxT("Return" );
1231                 break;
1232             case WXK_BACK:
1233                 hotkey << wxT("BackSpace" );
1234                 break;
1235             case WXK_TAB:
1236                 hotkey << wxT("Tab" );
1237                 break;
1238             case WXK_ESCAPE:
1239                 hotkey << wxT("Esc" );
1240                 break;
1241             case WXK_SPACE:
1242                 hotkey << wxT("space" );
1243                 break;
1244             case WXK_MULTIPLY:
1245                 hotkey << wxT("Multiply" );
1246                 break;
1247             case WXK_ADD:
1248                 hotkey << wxT("Add" );
1249                 break;
1250             case WXK_SEPARATOR:
1251                 hotkey << wxT("Separator" );
1252                 break;
1253             case WXK_SUBTRACT:
1254                 hotkey << wxT("Subtract" );
1255                 break;
1256             case WXK_DECIMAL:
1257                 hotkey << wxT("Decimal" );
1258                 break;
1259             case WXK_DIVIDE:
1260                 hotkey << wxT("Divide" );
1261                 break;
1262             case WXK_CANCEL:
1263                 hotkey << wxT("Cancel" );
1264                 break;
1265             case WXK_CLEAR:
1266                 hotkey << wxT("Clear" );
1267                 break;
1268             case WXK_MENU:
1269                 hotkey << wxT("Menu" );
1270                 break;
1271             case WXK_PAUSE:
1272                 hotkey << wxT("Pause" );
1273                 break;
1274             case WXK_CAPITAL:
1275                 hotkey << wxT("Capital" );
1276                 break;
1277             case WXK_SELECT:
1278                 hotkey << wxT("Select" );
1279                 break;
1280             case WXK_PRINT:
1281                 hotkey << wxT("Print" );
1282                 break;
1283             case WXK_EXECUTE:
1284                 hotkey << wxT("Execute" );
1285                 break;
1286             case WXK_SNAPSHOT:
1287                 hotkey << wxT("Snapshot" );
1288                 break;
1289             case WXK_HELP:
1290                 hotkey << wxT("Help" );
1291                 break;
1292             case WXK_NUMLOCK:
1293                 hotkey << wxT("Num_Lock" );
1294                 break;
1295             case WXK_SCROLL:
1296                 hotkey << wxT("Scroll_Lock" );
1297                 break;
1298             case WXK_NUMPAD_INSERT:
1299                 hotkey << wxT("KP_Insert" );
1300                 break;
1301             case WXK_NUMPAD_DELETE:
1302                 hotkey << wxT("KP_Delete" );
1303                 break;
1304              case WXK_NUMPAD_SPACE:
1305                 hotkey << wxT("KP_Space" );
1306                 break;
1307             case WXK_NUMPAD_TAB:
1308                 hotkey << wxT("KP_Tab" );
1309                 break;
1310             case WXK_NUMPAD_ENTER:
1311                 hotkey << wxT("KP_Enter" );
1312                 break;
1313             case WXK_NUMPAD_F1: case WXK_NUMPAD_F2: case WXK_NUMPAD_F3:
1314             case WXK_NUMPAD_F4:
1315                 hotkey += wxString::Format(wxT("KP_F%d"), code - WXK_NUMPAD_F1 + 1);
1316                 break;
1317             case WXK_NUMPAD_HOME:
1318                 hotkey << wxT("KP_Home" );
1319                 break;
1320             case WXK_NUMPAD_LEFT:
1321                 hotkey << wxT("KP_Left" );
1322                 break;
1323              case WXK_NUMPAD_UP:
1324                 hotkey << wxT("KP_Up" );
1325                 break;
1326             case WXK_NUMPAD_RIGHT:
1327                 hotkey << wxT("KP_Right" );
1328                 break;
1329             case WXK_NUMPAD_DOWN:
1330                 hotkey << wxT("KP_Down" );
1331                 break;
1332             case WXK_NUMPAD_PAGEUP:
1333                 hotkey << wxT("KP_PgUp" );
1334                 break;
1335             case WXK_NUMPAD_PAGEDOWN:
1336                 hotkey << wxT("KP_PgDn" );
1337                 break;
1338             case WXK_NUMPAD_END:
1339                 hotkey << wxT("KP_End" );
1340                 break;
1341             case WXK_NUMPAD_BEGIN:
1342                 hotkey << wxT("KP_Begin" );
1343                 break;
1344             case WXK_NUMPAD_EQUAL:
1345                 hotkey << wxT("KP_Equal" );
1346                 break;
1347             case WXK_NUMPAD_MULTIPLY:
1348                 hotkey << wxT("KP_Multiply" );
1349                 break;
1350             case WXK_NUMPAD_ADD:
1351                 hotkey << wxT("KP_Add" );
1352                 break;
1353             case WXK_NUMPAD_SEPARATOR:
1354                 hotkey << wxT("KP_Separator" );
1355                 break;
1356             case WXK_NUMPAD_SUBTRACT:
1357                 hotkey << wxT("KP_Subtract" );
1358                 break;
1359             case WXK_NUMPAD_DECIMAL:
1360                 hotkey << wxT("KP_Decimal" );
1361                 break;
1362             case WXK_NUMPAD_DIVIDE:
1363                 hotkey << wxT("KP_Divide" );
1364                 break;
1365            case WXK_NUMPAD0: case WXK_NUMPAD1: case WXK_NUMPAD2:
1366            case WXK_NUMPAD3: case WXK_NUMPAD4: case WXK_NUMPAD5:
1367            case WXK_NUMPAD6: case WXK_NUMPAD7: case WXK_NUMPAD8: case WXK_NUMPAD9:
1368                 hotkey += wxString::Format(wxT("KP_%d"), code - WXK_NUMPAD0);
1369                 break;
1370             case WXK_WINDOWS_LEFT:
1371                 hotkey << wxT("Super_L" );
1372                 break;
1373             case WXK_WINDOWS_RIGHT:
1374                 hotkey << wxT("Super_R" );
1375                 break;
1376             case WXK_WINDOWS_MENU:
1377                 hotkey << wxT("Menu" );
1378                 break;
1379             case WXK_COMMAND:
1380                 hotkey << wxT("Command" );
1381                 break;
1382           /* These probably wouldn't work as there is no SpecialX in gdk/keynames.txt
1383             case WXK_SPECIAL1: case WXK_SPECIAL2: case WXK_SPECIAL3: case WXK_SPECIAL4:
1384             case WXK_SPECIAL5: case WXK_SPECIAL6: case WXK_SPECIAL7: case WXK_SPECIAL8:
1385             case WXK_SPECIAL9:  case WXK_SPECIAL10:  case WXK_SPECIAL11: case WXK_SPECIAL12:
1386             case WXK_SPECIAL13: case WXK_SPECIAL14: case WXK_SPECIAL15: case WXK_SPECIAL16:
1387             case WXK_SPECIAL17: case WXK_SPECIAL18: case WXK_SPECIAL19:  case WXK_SPECIAL20:
1388                 hotkey += wxString::Format(wxT("Special%d"), code - WXK_SPECIAL1 + 1);
1389                 break;
1390           */
1391                 // if there are any other keys wxGetAccelFromString() may
1392                 // return, we should process them here
1393
1394             default:
1395                 if ( code < 127 )
1396                 {
1397                     wxString name = wxGTK_CONV_BACK( gdk_keyval_name((guint)code) );
1398                     if ( name )
1399                     {
1400                         hotkey << name;
1401                         break;
1402                     }
1403                 }
1404
1405                 wxFAIL_MSG( wxT("unknown keyboard accel") );
1406         }
1407
1408         delete accel;
1409     }
1410
1411     return hotkey;
1412 }
1413
1414 #endif // wxUSE_ACCEL
1415
1416 // ----------------------------------------------------------------------------
1417 // Pop-up menu stuff
1418 // ----------------------------------------------------------------------------
1419
1420 #if wxUSE_MENUS_NATIVE
1421
1422 extern "C" WXDLLIMPEXP_CORE
1423 void gtk_pop_hide_callback( GtkWidget *WXUNUSED(widget), bool* is_waiting  )
1424 {
1425     *is_waiting = false;
1426 }
1427
1428 WXDLLIMPEXP_CORE void SetInvokingWindow( wxMenu *menu, wxWindow* win )
1429 {
1430     menu->SetInvokingWindow( win );
1431
1432     wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
1433     while (node)
1434     {
1435         wxMenuItem *menuitem = node->GetData();
1436         if (menuitem->IsSubMenu())
1437         {
1438             SetInvokingWindow( menuitem->GetSubMenu(), win );
1439         }
1440
1441         node = node->GetNext();
1442     }
1443 }
1444
1445 extern "C" WXDLLIMPEXP_CORE
1446 void wxPopupMenuPositionCallback( GtkMenu *menu,
1447                                   gint *x, gint *y,
1448                                   gboolean * WXUNUSED(whatever),
1449                                   gpointer user_data )
1450 {
1451     // ensure that the menu appears entirely on screen
1452     GtkRequisition req;
1453     gtk_widget_get_child_requisition(GTK_WIDGET(menu), &req);
1454
1455     wxSize sizeScreen = wxGetDisplaySize();
1456     wxPoint *pos = (wxPoint*)user_data;
1457
1458     gint xmax = sizeScreen.x - req.width,
1459          ymax = sizeScreen.y - req.height;
1460
1461     *x = pos->x < xmax ? pos->x : xmax;
1462     *y = pos->y < ymax ? pos->y : ymax;
1463 }
1464
1465 bool wxWindowGTK::DoPopupMenu( wxMenu *menu, int x, int y )
1466 {
1467     wxCHECK_MSG( m_widget != NULL, false, wxT("invalid window") );
1468
1469     wxCHECK_MSG( menu != NULL, false, wxT("invalid popup-menu") );
1470
1471     // NOTE: if you change this code, you need to update
1472     //       the same code in taskbar.cpp as well. This
1473     //       is ugly code duplication, I know.
1474
1475     SetInvokingWindow( menu, this );
1476
1477     menu->UpdateUI();
1478
1479     bool is_waiting = true;
1480
1481     gulong handler = g_signal_connect (menu->m_menu, "hide",
1482                                        G_CALLBACK (gtk_pop_hide_callback),
1483                                        &is_waiting);
1484
1485     wxPoint pos;
1486     gpointer userdata;
1487     GtkMenuPositionFunc posfunc;
1488     if ( x == -1 && y == -1 )
1489     {
1490         // use GTK's default positioning algorithm
1491         userdata = NULL;
1492         posfunc = NULL;
1493     }
1494     else
1495     {
1496         pos = ClientToScreen(wxPoint(x, y));
1497         userdata = &pos;
1498         posfunc = wxPopupMenuPositionCallback;
1499     }
1500
1501     wxMenuEvent eventOpen(wxEVT_MENU_OPEN, -1, menu);
1502     DoCommonMenuCallbackCode(menu, eventOpen);
1503
1504     gtk_menu_popup(
1505                   GTK_MENU(menu->m_menu),
1506                   (GtkWidget *) NULL,           // parent menu shell
1507                   (GtkWidget *) NULL,           // parent menu item
1508                   posfunc,                      // function to position it
1509                   userdata,                     // client data
1510                   0,                            // button used to activate it
1511                   gtk_get_current_event_time()
1512                 );
1513
1514     while (is_waiting)
1515     {
1516         gtk_main_iteration();
1517     }
1518
1519     g_signal_handler_disconnect (menu->m_menu, handler);
1520
1521     wxMenuEvent eventClose(wxEVT_MENU_CLOSE, -1, menu);
1522     DoCommonMenuCallbackCode(menu, eventClose);
1523
1524     return true;
1525 }
1526
1527 #endif // wxUSE_MENUS_NATIVE