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/app.h"
  19     #include "wx/bitmap.h"
  20 #endif
  21
  22 #if wxUSE_ACCEL
  23     #include "wx/accel.h"
  24 #endif // wxUSE_ACCEL
  25
  26 #include "wx/stockitem.h"
  27 #include "wx/gtk/private.h"
  28
  29 #include <gdk/gdkkeysyms.h>
  30
  31 // FIXME: is this right? somehow I don't think so (VZ)
  32
  33 #define gtk_accel_group_attach(g, o) gtk_window_add_accel_group((o), (g))
  34 //#define gtk_accel_group_detach(g, o) gtk_window_remove_accel_group((o), (g))
  35 //#define gtk_menu_ensure_uline_accel_group(m) gtk_menu_get_accel_group(m)
  36
  37 #define ACCEL_OBJECT        GtkWindow
  38 #define ACCEL_OBJECTS(a)    (a)->acceleratables
  39 #define ACCEL_OBJ_CAST(obj) ((GtkWindow*) obj)
  40
  41 // we use normal item but with a special id for the menu title
  42 static const int wxGTK_TITLE_ID = -3;
  43
  44 //-----------------------------------------------------------------------------
  45 // idle system
  46 //-----------------------------------------------------------------------------
  47
  48 #if wxUSE_ACCEL
  49 static wxString GetGtkHotKey( const wxMenuItem& item );
  50 #endif
  51
  52 //-----------------------------------------------------------------------------
  53 // idle system
  54 //-----------------------------------------------------------------------------
  55
  56 static wxString wxReplaceUnderscore( const wxString& title )
  57 {
  58     const wxChar *pc;
  59
  60     // GTK 1.2 wants to have "_" instead of "&" for accelerators
  61     wxString str;
  62     pc = title;
  63     while (*pc != wxT('\0'))
  64     {
  65         if ((*pc == wxT('&')) && (*(pc+1) == wxT('&')))
  66         {
  67             // "&" is doubled to indicate "&" instead of accelerator
  68             ++pc;
  69             str << wxT('&');
  70         }
  71         else if (*pc == wxT('&'))
  72         {
  73             str << wxT('_');
  74         }
  75         else
  76         {
  77             if ( *pc == wxT('_') )
  78             {
  79                 // underscores must be doubled to prevent them from being
  80                 // interpreted as accelerator character prefix by GTK
  81                 str << *pc;
  82             }
  83
  84             str << *pc;
  85         }
  86         ++pc;
  87     }
  88
  89     // wxPrintf( wxT("before %s after %s\n"), title.c_str(), str.c_str() );
  90
  91     return str;
  92 }
  93
  94 //-----------------------------------------------------------------------------
  95 // activate message from GTK
  96 //-----------------------------------------------------------------------------
  97
  98 static void DoCommonMenuCallbackCode(wxMenu *menu, wxMenuEvent& event)
  99 {
 100     if (g_isIdle)
 101         wxapp_install_idle_handler();
 102
 103     event.SetEventObject( menu );
 104
 105     wxEvtHandler* handler = menu->GetEventHandler();
 106     if (handler && handler->ProcessEvent(event))
 107         return;
 108
 109     wxWindow *win = menu->GetInvokingWindow();
 110     if (win)
 111         win->GetEventHandler()->ProcessEvent( event );
 112 }
 113
 114 extern "C" {
 115
 116 static void gtk_menu_open_callback( GtkWidget *widget, wxMenu *menu )
 117 {
 118     wxMenuEvent event(wxEVT_MENU_OPEN, -1, menu);
 119
 120     DoCommonMenuCallbackCode(menu, event);
 121 }
 122
 123 static void gtk_menu_close_callback( GtkWidget *widget, wxMenuBar *menubar )
 124 {
 125     if ( !menubar->GetMenuCount() )
 126     {
 127         // if menubar is empty we can't call GetMenu(0) below
 128         return;
 129     }
 130
 131     wxMenuEvent event( wxEVT_MENU_CLOSE, -1, NULL );
 132
 133     DoCommonMenuCallbackCode(menubar->GetMenu(0), event);
 134 }
 135
 136 }
 137
 138 //-----------------------------------------------------------------------------
 139 // wxMenuBar
 140 //-----------------------------------------------------------------------------
 141
 142 IMPLEMENT_DYNAMIC_CLASS(wxMenuBar,wxWindow)
 143
 144 void wxMenuBar::Init(size_t n, wxMenu *menus[], const wxString titles[], long style)
 145 {
 146     // the parent window is known after wxFrame::SetMenu()
 147     m_needParent = false;
 148     m_style = style;
 149     m_invokingWindow = (wxWindow*) NULL;
 150
 151     if (!PreCreation( (wxWindow*) NULL, wxDefaultPosition, wxDefaultSize ) ||
 152         !CreateBase( (wxWindow*) NULL, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("menubar") ))
 153     {
 154         wxFAIL_MSG( wxT("wxMenuBar creation failed") );
 155         return;
 156     }
 157
 158     m_menubar = gtk_menu_bar_new();
 159
 160     if (style & wxMB_DOCKABLE)
 161     {
 162         m_widget = gtk_handle_box_new();
 163         gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_menubar) );
 164         gtk_widget_show( GTK_WIDGET(m_menubar) );
 165     }
 166     else
 167     {
 168         m_widget = GTK_WIDGET(m_menubar);
 169     }
 170
 171     PostCreation();
 172
 173     ApplyWidgetStyle();
 174
 175     for (size_t i = 0; i < n; ++i )
 176         Append(menus[i], titles[i]);
 177
 178     // VZ: for some reason connecting to menus "deactivate" doesn't work (we
 179     //     don't get it when the menu is dismissed by clicking outside the
 180     //     toolbar) so we connect to the global one, even if it means that we
 181     //     can't pass the menu which was closed in wxMenuEvent object
 182     g_signal_connect (m_menubar, "deactivate",
 183                       G_CALLBACK (gtk_menu_close_callback), this);
 184
 185 }
 186
 187 wxMenuBar::wxMenuBar(size_t n, wxMenu *menus[], const wxString titles[], long style)
 188 {
 189     Init(n, menus, titles, style);
 190 }
 191
 192 wxMenuBar::wxMenuBar(long style)
 193 {
 194     Init(0, NULL, NULL, style);
 195 }
 196
 197 wxMenuBar::wxMenuBar()
 198 {
 199     Init(0, NULL, NULL, 0);
 200 }
 201
 202 wxMenuBar::~wxMenuBar()
 203 {
 204 }
 205
 206 static void wxMenubarUnsetInvokingWindow( wxMenu *menu, wxWindow *win )
 207 {
 208     menu->SetInvokingWindow( (wxWindow*) NULL );
 209
 210     wxWindow *top_frame = win;
 211     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 212         top_frame = top_frame->GetParent();
 213
 214     wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
 215     while (node)
 216     {
 217         wxMenuItem *menuitem = node->GetData();
 218         if (menuitem->IsSubMenu())
 219             wxMenubarUnsetInvokingWindow( menuitem->GetSubMenu(), win );
 220         node = node->GetNext();
 221     }
 222 }
 223
 224 static void wxMenubarSetInvokingWindow( wxMenu *menu, wxWindow *win )
 225 {
 226     menu->SetInvokingWindow( win );
 227
 228     wxWindow *top_frame = win;
 229     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 230         top_frame = top_frame->GetParent();
 231
 232     // support for native hot keys
 233     ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget);
 234     if ( !g_slist_find( ACCEL_OBJECTS(menu->m_accel), obj ) )
 235         gtk_accel_group_attach( menu->m_accel, obj );
 236
 237     wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
 238     while (node)
 239     {
 240         wxMenuItem *menuitem = node->GetData();
 241         if (menuitem->IsSubMenu())
 242             wxMenubarSetInvokingWindow( menuitem->GetSubMenu(), win );
 243         node = node->GetNext();
 244     }
 245 }
 246
 247 void wxMenuBar::SetInvokingWindow( wxWindow *win )
 248 {
 249     m_invokingWindow = win;
 250     wxWindow *top_frame = win;
 251     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 252         top_frame = top_frame->GetParent();
 253
 254     wxMenuList::compatibility_iterator node = m_menus.GetFirst();
 255     while (node)
 256     {
 257         wxMenu *menu = node->GetData();
 258         wxMenubarSetInvokingWindow( menu, win );
 259         node = node->GetNext();
 260     }
 261 }
 262
 263 void wxMenuBar::UnsetInvokingWindow( wxWindow *win )
 264 {
 265     m_invokingWindow = (wxWindow*) NULL;
 266     wxWindow *top_frame = win;
 267     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 268         top_frame = top_frame->GetParent();
 269
 270     wxMenuList::compatibility_iterator node = m_menus.GetFirst();
 271     while (node)
 272     {
 273         wxMenu *menu = node->GetData();
 274         wxMenubarUnsetInvokingWindow( menu, win );
 275         node = node->GetNext();
 276     }
 277 }
 278
 279 bool wxMenuBar::Append( wxMenu *menu, const wxString &title )
 280 {
 281     if ( !wxMenuBarBase::Append( menu, title ) )
 282         return false;
 283
 284     return GtkAppend(menu, title);
 285 }
 286
 287 bool wxMenuBar::GtkAppend(wxMenu *menu, const wxString& title, int pos)
 288 {
 289     wxString str( wxReplaceUnderscore( title ) );
 290
 291     // This doesn't have much effect right now.
 292     menu->SetTitle( str );
 293
 294     // The "m_owner" is the "menu item"
 295     menu->m_owner = gtk_menu_item_new_with_mnemonic( wxGTK_CONV( str ) );
 296
 297     gtk_widget_show( menu->m_owner );
 298
 299     gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
 300
 301     if (pos == -1)
 302         gtk_menu_shell_append( GTK_MENU_SHELL(m_menubar), menu->m_owner );
 303     else
 304         gtk_menu_shell_insert( GTK_MENU_SHELL(m_menubar), menu->m_owner, pos );
 305
 306     g_signal_connect (menu->m_owner, "activate",
 307                       G_CALLBACK (gtk_menu_open_callback),
 308                       menu);
 309
 310     // m_invokingWindow is set after wxFrame::SetMenuBar(). This call enables
 311     // addings menu later on.
 312     if (m_invokingWindow)
 313     {
 314         wxMenubarSetInvokingWindow( menu, m_invokingWindow );
 315
 316             // OPTIMISE ME:  we should probably cache this, or pass it
 317             //               directly, but for now this is a minimal
 318             //               change to validate the new dynamic sizing.
 319             //               see (and refactor :) similar code in Remove
 320             //               below.
 321
 322         wxFrame *frame = wxDynamicCast( m_invokingWindow, wxFrame );
 323
 324         if( frame )
 325             frame->UpdateMenuBarSize();
 326     }
 327
 328     return true;
 329 }
 330
 331 bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
 332 {
 333     if ( !wxMenuBarBase::Insert(pos, menu, title) )
 334         return false;
 335
 336     // TODO
 337
 338     if ( !GtkAppend(menu, title, (int)pos) )
 339         return false;
 340
 341     return true;
 342 }
 343
 344 wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
 345 {
 346     // remove the old item and insert a new one
 347     wxMenu *menuOld = Remove(pos);
 348     if ( menuOld && !Insert(pos, menu, title) )
 349     {
 350         return (wxMenu*) NULL;
 351     }
 352
 353     // either Insert() succeeded or Remove() failed and menuOld is NULL
 354     return menuOld;
 355 }
 356
 357 wxMenu *wxMenuBar::Remove(size_t pos)
 358 {
 359     wxMenu *menu = wxMenuBarBase::Remove(pos);
 360     if ( !menu )
 361         return (wxMenu*) NULL;
 362
 363     gtk_menu_item_remove_submenu( GTK_MENU_ITEM(menu->m_owner) );
 364     gtk_container_remove(GTK_CONTAINER(m_menubar), menu->m_owner);
 365
 366     gtk_widget_destroy( menu->m_owner );
 367     menu->m_owner = NULL;
 368
 369     if (m_invokingWindow)
 370     {
 371         // OPTIMISE ME:  see comment in GtkAppend
 372         wxFrame *frame = wxDynamicCast( m_invokingWindow, wxFrame );
 373
 374         if( frame )
 375             frame->UpdateMenuBarSize();
 376     }
 377
 378     return menu;
 379 }
 380
 381 static int FindMenuItemRecursive( const wxMenu *menu, const wxString &menuString, const wxString &itemString )
 382 {
 383     if (wxMenuItem::GetLabelFromText(menu->GetTitle()) == wxMenuItem::GetLabelFromText(menuString))
 384     {
 385         int res = menu->FindItem( itemString );
 386         if (res != wxNOT_FOUND)
 387             return res;
 388     }
 389
 390     wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
 391     while (node)
 392     {
 393         wxMenuItem *item = node->GetData();
 394         if (item->IsSubMenu())
 395             return FindMenuItemRecursive(item->GetSubMenu(), menuString, itemString);
 396
 397         node = node->GetNext();
 398     }
 399
 400     return wxNOT_FOUND;
 401 }
 402
 403 int wxMenuBar::FindMenuItem( const wxString &menuString, const wxString &itemString ) const
 404 {
 405     wxMenuList::compatibility_iterator node = m_menus.GetFirst();
 406     while (node)
 407     {
 408         wxMenu *menu = node->GetData();
 409         int res = FindMenuItemRecursive( menu, menuString, itemString);
 410         if (res != -1)
 411             return res;
 412         node = node->GetNext();
 413     }
 414
 415     return wxNOT_FOUND;
 416 }
 417
 418 // Find a wxMenuItem using its id. Recurses down into sub-menus
 419 static wxMenuItem* FindMenuItemByIdRecursive(const wxMenu* menu, int id)
 420 {
 421     wxMenuItem* result = menu->FindChildItem(id);
 422
 423     wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
 424     while ( node && result == NULL )
 425     {
 426         wxMenuItem *item = node->GetData();
 427         if (item->IsSubMenu())
 428         {
 429             result = FindMenuItemByIdRecursive( item->GetSubMenu(), id );
 430         }
 431         node = node->GetNext();
 432     }
 433
 434     return result;
 435 }
 436
 437 wxMenuItem* wxMenuBar::FindItem( int id, wxMenu **menuForItem ) const
 438 {
 439     wxMenuItem* result = 0;
 440     wxMenuList::compatibility_iterator node = m_menus.GetFirst();
 441     while (node && result == 0)
 442     {
 443         wxMenu *menu = node->GetData();
 444         result = FindMenuItemByIdRecursive( menu, id );
 445         node = node->GetNext();
 446     }
 447
 448     if ( menuForItem )
 449     {
 450         *menuForItem = result ? result->GetMenu() : (wxMenu *)NULL;
 451     }
 452
 453     return result;
 454 }
 455
 456 void wxMenuBar::EnableTop( size_t pos, bool flag )
 457 {
 458     wxMenuList::compatibility_iterator node = m_menus.Item( pos );
 459
 460     wxCHECK_RET( node, wxT("menu not found") );
 461
 462     wxMenu* menu = node->GetData();
 463
 464     if (menu->m_owner)
 465         gtk_widget_set_sensitive( menu->m_owner, flag );
 466 }
 467
 468 wxString wxMenuBar::GetLabelTop( size_t pos ) const
 469 {
 470     wxMenuList::compatibility_iterator node = m_menus.Item( pos );
 471
 472     wxCHECK_MSG( node, wxT("invalid"), wxT("menu not found") );
 473
 474     wxMenu* menu = node->GetData();
 475
 476     wxString label;
 477     wxString text( menu->GetTitle() );
 478     for ( const wxChar *pc = text.c_str(); *pc; pc++ )
 479     {
 480         if ( *pc == wxT('_') )
 481         {
 482             // '_' is the escape character for GTK+
 483             continue;
 484         }
 485
 486         // don't remove ampersands '&' since if we have them in the menu title
 487         // it means that they were doubled to indicate "&" instead of accelerator
 488
 489         label += *pc;
 490     }
 491
 492     return label;
 493 }
 494
 495 void wxMenuBar::SetLabelTop( size_t pos, const wxString& label )
 496 {
 497     wxMenuList::compatibility_iterator node = m_menus.Item( pos );
 498
 499     wxCHECK_RET( node, wxT("menu not found") );
 500
 501     wxMenu* menu = node->GetData();
 502
 503     const wxString str( wxReplaceUnderscore( label ) );
 504
 505     menu->SetTitle( str );
 506
 507     if (menu->m_owner)
 508         gtk_label_set_text_with_mnemonic( GTK_LABEL( GTK_BIN(menu->m_owner)->child), wxGTK_CONV(str) );
 509 }
 510
 511 //-----------------------------------------------------------------------------
 512 // "activate"
 513 //-----------------------------------------------------------------------------
 514
 515 extern "C" {
 516 static void gtk_menu_clicked_callback( GtkWidget *widget, wxMenu *menu )
 517 {
 518     if (g_isIdle)
 519         wxapp_install_idle_handler();
 520
 521     int id = menu->FindMenuIdByMenuItem(widget);
 522
 523     /* should find it for normal (not popup) menu */
 524     wxASSERT_MSG( (id != -1) || (menu->GetInvokingWindow() != NULL),
 525                   _T("menu item not found in gtk_menu_clicked_callback") );
 526
 527     if (!menu->IsEnabled(id))
 528         return;
 529
 530     wxMenuItem* item = menu->FindChildItem( id );
 531     wxCHECK_RET( item, wxT("error in menu item callback") );
 532
 533     if ( item->GetId() == wxGTK_TITLE_ID )
 534     {
 535         // ignore events from the menu title
 536         return;
 537     }
 538
 539     if (item->IsCheckable())
 540     {
 541         bool isReallyChecked = item->IsChecked(),
 542             isInternallyChecked = item->wxMenuItemBase::IsChecked();
 543
 544         // ensure that the internal state is always consistent with what is
 545         // shown on the screen
 546         item->wxMenuItemBase::Check(isReallyChecked);
 547
 548         // we must not report the events for the radio button going up nor the
 549         // events resulting from the calls to wxMenuItem::Check()
 550         if ( (item->GetKind() == wxITEM_RADIO && !isReallyChecked) ||
 551              (isInternallyChecked == isReallyChecked) )
 552         {
 553             return;
 554         }
 555     }
 556
 557
 558     // Is this menu on a menubar?  (possibly nested)
 559     wxFrame* frame = NULL;
 560     if(menu->IsAttached())
 561         frame = menu->GetMenuBar()->GetFrame();
 562
 563     // FIXME: why do we have to call wxFrame::GetEventHandler() directly here?
 564     //        normally wxMenu::SendEvent() should be enough, if it doesn't work
 565     //        in wxGTK then we have a bug in wxMenu::GetInvokingWindow() which
 566     //        should be fixed instead of working around it here...
 567     if (frame)
 568     {
 569         // If it is attached then let the frame send the event.
 570         // Don't call frame->ProcessCommand(id) because it toggles
 571         // checkable items and we've already done that above.
 572         wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, id);
 573         commandEvent.SetEventObject(frame);
 574         if (item->IsCheckable())
 575             commandEvent.SetInt(item->IsChecked());
 576         commandEvent.SetEventObject(menu);
 577
 578         frame->GetEventHandler()->ProcessEvent(commandEvent);
 579     }
 580     else
 581     {
 582         // otherwise let the menu have it
 583         menu->SendEvent(id, item->IsCheckable() ? item->IsChecked() : -1);
 584     }
 585 }
 586 }
 587
 588 //-----------------------------------------------------------------------------
 589 // "select"
 590 //-----------------------------------------------------------------------------
 591
 592 extern "C" {
 593 static void gtk_menu_hilight_callback( GtkWidget *widget, wxMenu *menu )
 594 {
 595     if (g_isIdle) wxapp_install_idle_handler();
 596
 597     int id = menu->FindMenuIdByMenuItem(widget);
 598
 599     wxASSERT( id != -1 ); // should find it!
 600
 601     if (!menu->IsEnabled(id))
 602         return;
 603
 604     wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, id );
 605     event.SetEventObject( menu );
 606
 607     wxEvtHandler* handler = menu->GetEventHandler();
 608     if (handler && handler->ProcessEvent(event))
 609         return;
 610
 611     wxWindow *win = menu->GetInvokingWindow();
 612     if (win) win->GetEventHandler()->ProcessEvent( event );
 613 }
 614 }
 615
 616 //-----------------------------------------------------------------------------
 617 // "deselect"
 618 //-----------------------------------------------------------------------------
 619
 620 extern "C" {
 621 static void gtk_menu_nolight_callback( GtkWidget *widget, wxMenu *menu )
 622 {
 623     if (g_isIdle) wxapp_install_idle_handler();
 624
 625     int id = menu->FindMenuIdByMenuItem(widget);
 626
 627     wxASSERT( id != -1 ); // should find it!
 628
 629     if (!menu->IsEnabled(id))
 630         return;
 631
 632     wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, -1 );
 633     event.SetEventObject( menu );
 634
 635     wxEvtHandler* handler = menu->GetEventHandler();
 636     if (handler && handler->ProcessEvent(event))
 637         return;
 638
 639     wxWindow *win = menu->GetInvokingWindow();
 640     if (win)
 641         win->GetEventHandler()->ProcessEvent( event );
 642 }
 643 }
 644
 645 //-----------------------------------------------------------------------------
 646 // wxMenuItem
 647 //-----------------------------------------------------------------------------
 648
 649 IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
 650
 651 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
 652                                 int id,
 653                                 const wxString& name,
 654                                 const wxString& help,
 655                                 wxItemKind kind,
 656                                 wxMenu *subMenu)
 657 {
 658     return new wxMenuItem(parentMenu, id, name, help, kind, subMenu);
 659 }
 660
 661 wxMenuItem::wxMenuItem(wxMenu *parentMenu,
 662                        int id,
 663                        const wxString& text,
 664                        const wxString& help,
 665                        wxItemKind kind,
 666                        wxMenu *subMenu)
 667           : wxMenuItemBase(parentMenu, id, text, help, kind, subMenu)
 668 {
 669     Init(text);
 670 }
 671
 672 wxMenuItem::wxMenuItem(wxMenu *parentMenu,
 673                        int id,
 674                        const wxString& text,
 675                        const wxString& help,
 676                        bool isCheckable,
 677                        wxMenu *subMenu)
 678           : wxMenuItemBase(parentMenu, id, text, help,
 679                            isCheckable ? wxITEM_CHECK : wxITEM_NORMAL, subMenu)
 680 {
 681     Init(text);
 682 }
 683
 684 void wxMenuItem::Init(const wxString& text)
 685 {
 686     m_labelWidget = (GtkWidget *) NULL;
 687     m_menuItem = (GtkWidget *) NULL;
 688
 689     DoSetText(text);
 690 }
 691
 692 wxMenuItem::~wxMenuItem()
 693 {
 694    // don't delete menu items, the menus take care of that
 695 }
 696
 697 // return the menu item text without any menu accels
 698 /* static */
 699 wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
 700 {
 701     wxString label;
 702
 703     for ( const wxChar *pc = text.c_str(); *pc; pc++ )
 704     {
 705         if ( *pc == wxT('\t'))
 706             break;
 707
 708         if ( *pc == wxT('_') )
 709         {
 710             // GTK 1.2 escapes "xxx_xxx" to "xxx__xxx"
 711             pc++;
 712             label += *pc;
 713             continue;
 714         }
 715
 716         if ( *pc == wxT('\\')  )
 717         {
 718             // GTK 2.0 escapes "xxx/xxx" to "xxx\/xxx"
 719             pc++;
 720             label += *pc;
 721             continue;
 722         }
 723
 724         if ( (*pc == wxT('&')) && (*(pc+1) != wxT('&')) )
 725         {
 726             // wxMSW escapes "&"
 727             // "&" is doubled to indicate "&" instead of accelerator
 728             continue;
 729         }
 730
 731         label += *pc;
 732     }
 733
 734     // wxPrintf( wxT("GetLabelFromText(): text %s label %s\n"), text.c_str(), label.c_str() );
 735
 736     return label;
 737 }
 738
 739 void wxMenuItem::SetText( const wxString& str )
 740 {
 741     // Some optimization to avoid flicker
 742     wxString oldLabel = m_text;
 743     oldLabel = wxStripMenuCodes(oldLabel);
 744     oldLabel.Replace(wxT("_"), wxT(""));
 745     wxString label1 = wxStripMenuCodes(str);
 746     wxString oldhotkey = GetHotKey();    // Store the old hotkey in Ctrl-foo format
 747     wxCharBuffer oldbuf = wxGTK_CONV_SYS( GetGtkHotKey(*this) );  // and as <control>foo
 748
 749     DoSetText(str);
 750
 751     if (oldLabel == label1 &&
 752              oldhotkey == GetHotKey())    // Make sure we can change a hotkey even if the label is unaltered
 753         return;
 754
 755     if (m_menuItem)
 756     {
 757         GtkLabel *label;
 758         if (m_labelWidget)
 759             label = (GtkLabel*) m_labelWidget;
 760         else
 761             label = GTK_LABEL( GTK_BIN(m_menuItem)->child );
 762
 763         gtk_label_set_text_with_mnemonic( GTK_LABEL(label), wxGTK_CONV_SYS(m_text) );
 764     }
 765
 766     guint accel_key;
 767     GdkModifierType accel_mods;
 768     gtk_accelerator_parse( (const char*) oldbuf, &accel_key, &accel_mods);
 769     if (accel_key != 0)
 770     {
 771         gtk_widget_remove_accelerator( GTK_WIDGET(m_menuItem),
 772                                        m_parentMenu->m_accel,
 773                                        accel_key,
 774                                        accel_mods );
 775     }
 776
 777     wxCharBuffer buf = wxGTK_CONV_SYS( GetGtkHotKey(*this) );
 778     gtk_accelerator_parse( (const char*) buf, &accel_key, &accel_mods);
 779     if (accel_key != 0)
 780     {
 781         gtk_widget_add_accelerator( GTK_WIDGET(m_menuItem),
 782                                     "activate",
 783                                     m_parentMenu->m_accel,
 784                                     accel_key,
 785                                     accel_mods,
 786                                     GTK_ACCEL_VISIBLE);
 787     }
 788 }
 789
 790 // it's valid for this function to be called even if m_menuItem == NULL
 791 void wxMenuItem::DoSetText( const wxString& str )
 792 {
 793     // '\t' is the deliminator indicating a hot key
 794     m_text.Empty();
 795     const wxChar *pc = str;
 796     while ( (*pc != wxT('\0')) && (*pc != wxT('\t')) )
 797     {
 798         if ((*pc == wxT('&')) && (*(pc+1) == wxT('&')))
 799         {
 800             // "&" is doubled to indicate "&" instead of accelerator
 801             ++pc;
 802             m_text << wxT('&');
 803         }
 804         else if (*pc == wxT('&'))
 805         {
 806             m_text << wxT('_');
 807         }
 808         else if ( *pc == wxT('_') )    // escape underscores
 809         {
 810             m_text << wxT("__");
 811         }
 812         else
 813         {
 814             m_text << *pc;
 815         }
 816         ++pc;
 817     }
 818
 819     m_hotKey = wxT("");
 820
 821     if(*pc == wxT('\t'))
 822     {
 823        pc++;
 824        m_hotKey = pc;
 825     }
 826
 827     // wxPrintf( wxT("DoSetText(): str %s m_text %s hotkey %s\n"), str.c_str(), m_text.c_str(), m_hotKey.c_str() );
 828 }
 829
 830 #if wxUSE_ACCEL
 831
 832 wxAcceleratorEntry *wxMenuItem::GetAccel() const
 833 {
 834     if ( !GetHotKey() )
 835     {
 836         // nothing
 837         return (wxAcceleratorEntry *)NULL;
 838     }
 839
 840     // as wxGetAccelFromString() looks for TAB, insert a dummy one here
 841     wxString label;
 842     label << wxT('\t') << GetHotKey();
 843
 844     return wxGetAccelFromString(label);
 845 }
 846
 847 #endif // wxUSE_ACCEL
 848
 849 void wxMenuItem::Check( bool check )
 850 {
 851     wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
 852
 853     if (check == m_isChecked)
 854         return;
 855
 856     wxMenuItemBase::Check( check );
 857
 858     switch ( GetKind() )
 859     {
 860         case wxITEM_CHECK:
 861         case wxITEM_RADIO:
 862             gtk_check_menu_item_set_active( (GtkCheckMenuItem*)m_menuItem, (gint)check );
 863             break;
 864
 865         default:
 866             wxFAIL_MSG( _T("can't check this item") );
 867     }
 868 }
 869
 870 void wxMenuItem::Enable( bool enable )
 871 {
 872     wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
 873
 874     gtk_widget_set_sensitive( m_menuItem, enable );
 875     wxMenuItemBase::Enable( enable );
 876 }
 877
 878 bool wxMenuItem::IsChecked() const
 879 {
 880     wxCHECK_MSG( m_menuItem, false, wxT("invalid menu item") );
 881
 882     wxCHECK_MSG( IsCheckable(), false,
 883                  wxT("can't get state of uncheckable item!") );
 884
 885     return ((GtkCheckMenuItem*)m_menuItem)->active != 0;
 886 }
 887
 888 //-----------------------------------------------------------------------------
 889 // wxMenu
 890 //-----------------------------------------------------------------------------
 891
 892 IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler)
 893
 894 void wxMenu::Init()
 895 {
 896     m_accel = gtk_accel_group_new();
 897     m_menu = gtk_menu_new();
 898     // NB: keep reference to the menu so that it is not destroyed behind
 899     //     our back by GTK+ e.g. when it is removed from menubar:
 900     gtk_widget_ref(m_menu);
 901
 902     m_owner = (GtkWidget*) NULL;
 903
 904     // Tearoffs are entries, just like separators. So if we want this
 905     // menu to be a tear-off one, we just append a tearoff entry
 906     // immediately.
 907     if ( m_style & wxMENU_TEAROFF )
 908     {
 909         GtkWidget *tearoff = gtk_tearoff_menu_item_new();
 910
 911         gtk_menu_shell_append(GTK_MENU_SHELL(m_menu), tearoff);
 912     }
 913
 914     m_prevRadio = NULL;
 915
 916     // append the title as the very first entry if we have it
 917     if ( !m_title.empty() )
 918     {
 919         Append(wxGTK_TITLE_ID, m_title);
 920         AppendSeparator();
 921     }
 922 }
 923
 924 wxMenu::~wxMenu()
 925 {
 926    WX_CLEAR_LIST(wxMenuItemList, m_items);
 927
 928    if ( GTK_IS_WIDGET( m_menu ))
 929    {
 930        // see wxMenu::Init
 931        gtk_widget_unref( m_menu );
 932        // if the menu is inserted in another menu at this time, there was
 933        // one more reference to it:
 934        if ( m_owner )
 935            gtk_widget_destroy( m_menu );
 936    }
 937 }
 938
 939 bool wxMenu::GtkAppend(wxMenuItem *mitem, int pos)
 940 {
 941     GtkWidget *menuItem;
 942
 943     wxString text;
 944
 945     if ( mitem->IsSeparator() )
 946     {
 947         menuItem = gtk_separator_menu_item_new();
 948     }
 949     else if ( mitem->GetBitmap().Ok() ||
 950                 (mitem->GetKind() == wxITEM_NORMAL &&
 951                     wxIsStockID(mitem->GetId())) )
 952     {
 953         text = mitem->GetText();
 954         wxBitmap bitmap(mitem->GetBitmap());
 955
 956         menuItem = gtk_image_menu_item_new_with_mnemonic( wxGTK_CONV_SYS( text ) );
 957
 958         GtkWidget *image;
 959         if ( !bitmap.Ok() )
 960         {
 961             // use stock bitmap for this item if available on the assumption
 962             // that it never hurts to follow GTK+ conventions more closely
 963             const char *stock = wxGetStockGtkID(mitem->GetId());
 964             image = stock ? gtk_image_new_from_stock(stock, GTK_ICON_SIZE_MENU)
 965                           : NULL;
 966         }
 967         else // we have a custom bitmap
 968         {
 969             wxASSERT_MSG( mitem->GetKind() == wxITEM_NORMAL,
 970                             _T("only normal menu items can have bitmaps") );
 971
 972             if ( bitmap.HasPixbuf() )
 973             {
 974                 image = gtk_image_new_from_pixbuf(bitmap.GetPixbuf());
 975             }
 976             else
 977             {
 978                 GdkPixmap *gdk_pixmap = bitmap.GetPixmap();
 979                 GdkBitmap *gdk_bitmap = bitmap.GetMask() ?
 980                                             bitmap.GetMask()->GetBitmap() :
 981                                             (GdkBitmap*) NULL;
 982                 image = gtk_image_new_from_pixmap( gdk_pixmap, gdk_bitmap );
 983             }
 984         }
 985
 986         if ( image )
 987         {
 988             gtk_widget_show(image);
 989
 990             gtk_image_menu_item_set_image( GTK_IMAGE_MENU_ITEM(menuItem), image );
 991         }
 992
 993         m_prevRadio = NULL;
 994     }
 995     else // a normal item
 996     {
 997         // text has "_" instead of "&" after mitem->SetText() so don't use it
 998         text = mitem->GetText() ;
 999
1000         switch ( mitem->GetKind() )
1001         {
1002             case wxITEM_CHECK:
1003             {
1004                 menuItem = gtk_check_menu_item_new_with_mnemonic( wxGTK_CONV_SYS( text ) );
1005                 m_prevRadio = NULL;
1006                 break;
1007             }
1008
1009             case wxITEM_RADIO:
1010             {
1011                 GSList *group = NULL;
1012                 if ( m_prevRadio == NULL )
1013                 {
1014                     // start of a new radio group
1015                     m_prevRadio = menuItem =
1016                         gtk_radio_menu_item_new_with_mnemonic( group, wxGTK_CONV_SYS( text ) );
1017                 }
1018                 else // continue the radio group
1019                 {
1020                     group = gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (m_prevRadio));
1021                     m_prevRadio = menuItem =
1022                         gtk_radio_menu_item_new_with_mnemonic( group, wxGTK_CONV_SYS( text ) );
1023                 }
1024                 break;
1025             }
1026
1027             default:
1028                 wxFAIL_MSG( _T("unexpected menu item kind") );
1029                 // fall through
1030
1031             case wxITEM_NORMAL:
1032             {
1033                 menuItem = gtk_menu_item_new_with_mnemonic( wxGTK_CONV_SYS( text ) );
1034                 m_prevRadio = NULL;
1035                 break;
1036             }
1037         }
1038
1039     }
1040
1041     guint accel_key;
1042     GdkModifierType accel_mods;
1043     wxCharBuffer buf = wxGTK_CONV_SYS( GetGtkHotKey(*mitem) );
1044
1045     // wxPrintf( wxT("item: %s hotkey %s\n"), mitem->GetText().c_str(), GetGtkHotKey(*mitem).c_str() );
1046     gtk_accelerator_parse( (const char*) buf, &accel_key, &accel_mods);
1047     if (accel_key != 0)
1048     {
1049         gtk_widget_add_accelerator (GTK_WIDGET(menuItem),
1050                                     "activate",
1051                                     m_accel,
1052                                     accel_key,
1053                                     accel_mods,
1054                                     GTK_ACCEL_VISIBLE);
1055     }
1056
1057     if (pos == -1)
1058         gtk_menu_shell_append(GTK_MENU_SHELL(m_menu), menuItem);
1059     else
1060         gtk_menu_shell_insert(GTK_MENU_SHELL(m_menu), menuItem, pos);
1061
1062     gtk_widget_show( menuItem );
1063
1064     if ( !mitem->IsSeparator() )
1065     {
1066         wxASSERT_MSG( menuItem, wxT("invalid menuitem") );
1067
1068         g_signal_connect (menuItem, "select",
1069                           G_CALLBACK (gtk_menu_hilight_callback), this);
1070         g_signal_connect (menuItem, "deselect",
1071                           G_CALLBACK (gtk_menu_nolight_callback), this);
1072
1073         if ( mitem->IsSubMenu() && mitem->GetKind() != wxITEM_RADIO && mitem->GetKind() != wxITEM_CHECK )
1074         {
1075             gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), mitem->GetSubMenu()->m_menu );
1076
1077             gtk_widget_show( mitem->GetSubMenu()->m_menu );
1078
1079             // if adding a submenu to a menu already existing in the menu bar, we
1080             // must set invoking window to allow processing events from this
1081             // submenu
1082             if ( m_invokingWindow )
1083                 wxMenubarSetInvokingWindow(mitem->GetSubMenu(), m_invokingWindow);
1084         }
1085         else
1086         {
1087             g_signal_connect (menuItem, "activate",
1088                               G_CALLBACK (gtk_menu_clicked_callback),
1089                               this);
1090         }
1091     }
1092
1093     mitem->SetMenuItem(menuItem);
1094
1095     if (ms_locked)
1096     {
1097         // This doesn't even exist!
1098         // gtk_widget_lock_accelerators(mitem->GetMenuItem());
1099     }
1100
1101     return true;
1102 }
1103
1104 wxMenuItem* wxMenu::DoAppend(wxMenuItem *mitem)
1105 {
1106     if (!GtkAppend(mitem))
1107         return NULL;
1108
1109     return wxMenuBase::DoAppend(mitem);
1110 }
1111
1112 wxMenuItem* wxMenu::DoInsert(size_t pos, wxMenuItem *item)
1113 {
1114     if ( !wxMenuBase::DoInsert(pos, item) )
1115         return NULL;
1116
1117     // TODO
1118     if ( !GtkAppend(item, (int)pos) )
1119         return NULL;
1120
1121     return item;
1122 }
1123
1124 wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
1125 {
1126     if ( !wxMenuBase::DoRemove(item) )
1127         return (wxMenuItem *)NULL;
1128
1129     // TODO: this code doesn't delete the item factory item and this seems
1130     //       impossible as of GTK 1.2.6.
1131     gtk_widget_destroy( item->GetMenuItem() );
1132
1133     return item;
1134 }
1135
1136 int wxMenu::FindMenuIdByMenuItem( GtkWidget *menuItem ) const
1137 {
1138     wxMenuItemList::compatibility_iterator node = m_items.GetFirst();
1139     while (node)
1140     {
1141         wxMenuItem *item = node->GetData();
1142         if (item->GetMenuItem() == menuItem)
1143             return item->GetId();
1144         node = node->GetNext();
1145     }
1146
1147     return wxNOT_FOUND;
1148 }
1149
1150 // ----------------------------------------------------------------------------
1151 // helpers
1152 // ----------------------------------------------------------------------------
1153
1154 #if wxUSE_ACCEL
1155
1156 static wxString GetGtkHotKey( const wxMenuItem& item )
1157 {
1158     wxString hotkey;
1159
1160     wxAcceleratorEntry *accel = item.GetAccel();
1161     if ( accel )
1162     {
1163         int flags = accel->GetFlags();
1164         if ( flags & wxACCEL_ALT )
1165             hotkey += wxT("<alt>");
1166         if ( flags & wxACCEL_CTRL )
1167             hotkey += wxT("<control>");
1168         if ( flags & wxACCEL_SHIFT )
1169             hotkey += wxT("<shift>");
1170
1171         int code = accel->GetKeyCode();
1172         switch ( code )
1173         {
1174             case WXK_F1:
1175             case WXK_F2:
1176             case WXK_F3:
1177             case WXK_F4:
1178             case WXK_F5:
1179             case WXK_F6:
1180             case WXK_F7:
1181             case WXK_F8:
1182             case WXK_F9:
1183             case WXK_F10:
1184             case WXK_F11:
1185             case WXK_F12:
1186             case WXK_F13:
1187             case WXK_F14:
1188             case WXK_F15:
1189             case WXK_F16:
1190             case WXK_F17:
1191             case WXK_F18:
1192             case WXK_F19:
1193             case WXK_F20:
1194             case WXK_F21:
1195             case WXK_F22:
1196             case WXK_F23:
1197             case WXK_F24:
1198                 hotkey += wxString::Format(wxT("F%d"), code - WXK_F1 + 1);
1199                 break;
1200
1201                 // TODO: we should use gdk_keyval_name() (a.k.a.
1202                 //       XKeysymToString) here as well as hardcoding the keysym
1203                 //       names this might be not portable
1204            case WXK_INSERT:
1205                 hotkey << wxT("Insert" );
1206                 break;
1207             case WXK_DELETE:
1208                 hotkey << wxT("Delete" );
1209                 break;
1210             case WXK_UP:
1211                 hotkey << wxT("Up" );
1212                 break;
1213             case WXK_DOWN:
1214                 hotkey << wxT("Down" );
1215                 break;
1216             case WXK_PAGEUP:
1217                 hotkey << wxT("PgUp" );
1218                 break;
1219             case WXK_PAGEDOWN:
1220                 hotkey << wxT("PgDn" );
1221                 break;
1222             case WXK_LEFT:
1223                 hotkey << wxT("Left" );
1224                 break;
1225             case WXK_RIGHT:
1226                 hotkey << wxT("Right" );
1227                 break;
1228             case WXK_HOME:
1229                 hotkey << wxT("Home" );
1230                 break;
1231             case WXK_END:
1232                 hotkey << wxT("End" );
1233                 break;
1234             case WXK_RETURN:
1235                 hotkey << wxT("Return" );
1236                 break;
1237             case WXK_BACK:
1238                 hotkey << wxT("BackSpace" );
1239                 break;
1240             case WXK_TAB:
1241                 hotkey << wxT("Tab" );
1242                 break;
1243             case WXK_ESCAPE:
1244                 hotkey << wxT("Esc" );
1245                 break;
1246             case WXK_SPACE:
1247                 hotkey << wxT("space" );
1248                 break;
1249             case WXK_MULTIPLY:
1250                 hotkey << wxT("Multiply" );
1251                 break;
1252             case WXK_ADD:
1253                 hotkey << wxT("Add" );
1254                 break;
1255             case WXK_SEPARATOR:
1256                 hotkey << wxT("Separator" );
1257                 break;
1258             case WXK_SUBTRACT:
1259                 hotkey << wxT("Subtract" );
1260                 break;
1261             case WXK_DECIMAL:
1262                 hotkey << wxT("Decimal" );
1263                 break;
1264             case WXK_DIVIDE:
1265                 hotkey << wxT("Divide" );
1266                 break;
1267             case WXK_CANCEL:
1268                 hotkey << wxT("Cancel" );
1269                 break;
1270             case WXK_CLEAR:
1271                 hotkey << wxT("Clear" );
1272                 break;
1273             case WXK_MENU:
1274                 hotkey << wxT("Menu" );
1275                 break;
1276             case WXK_PAUSE:
1277                 hotkey << wxT("Pause" );
1278                 break;
1279             case WXK_CAPITAL:
1280                 hotkey << wxT("Capital" );
1281                 break;
1282             case WXK_SELECT:
1283                 hotkey << wxT("Select" );
1284                 break;
1285             case WXK_PRINT:
1286                 hotkey << wxT("Print" );
1287                 break;
1288             case WXK_EXECUTE:
1289                 hotkey << wxT("Execute" );
1290                 break;
1291             case WXK_SNAPSHOT:
1292                 hotkey << wxT("Snapshot" );
1293                 break;
1294             case WXK_HELP:
1295                 hotkey << wxT("Help" );
1296                 break;
1297             case WXK_NUMLOCK:
1298                 hotkey << wxT("Num_Lock" );
1299                 break;
1300             case WXK_SCROLL:
1301                 hotkey << wxT("Scroll_Lock" );
1302                 break;
1303             case WXK_NUMPAD_INSERT:
1304                 hotkey << wxT("KP_Insert" );
1305                 break;
1306             case WXK_NUMPAD_DELETE:
1307                 hotkey << wxT("KP_Delete" );
1308                 break;
1309              case WXK_NUMPAD_SPACE:
1310                 hotkey << wxT("KP_Space" );
1311                 break;
1312             case WXK_NUMPAD_TAB:
1313                 hotkey << wxT("KP_Tab" );
1314                 break;
1315             case WXK_NUMPAD_ENTER:
1316                 hotkey << wxT("KP_Enter" );
1317                 break;
1318             case WXK_NUMPAD_F1: case WXK_NUMPAD_F2: case WXK_NUMPAD_F3:
1319             case WXK_NUMPAD_F4:
1320                 hotkey += wxString::Format(wxT("KP_F%d"), code - WXK_NUMPAD_F1 + 1);
1321                 break;
1322             case WXK_NUMPAD_HOME:
1323                 hotkey << wxT("KP_Home" );
1324                 break;
1325             case WXK_NUMPAD_LEFT:
1326                 hotkey << wxT("KP_Left" );
1327                 break;
1328              case WXK_NUMPAD_UP:
1329                 hotkey << wxT("KP_Up" );
1330                 break;
1331             case WXK_NUMPAD_RIGHT:
1332                 hotkey << wxT("KP_Right" );
1333                 break;
1334             case WXK_NUMPAD_DOWN:
1335                 hotkey << wxT("KP_Down" );
1336                 break;
1337             case WXK_NUMPAD_PAGEUP:
1338                 hotkey << wxT("KP_PgUp" );
1339                 break;
1340             case WXK_NUMPAD_PAGEDOWN:
1341                 hotkey << wxT("KP_PgDn" );
1342                 break;
1343             case WXK_NUMPAD_END:
1344                 hotkey << wxT("KP_End" );
1345                 break;
1346             case WXK_NUMPAD_BEGIN:
1347                 hotkey << wxT("KP_Begin" );
1348                 break;
1349             case WXK_NUMPAD_EQUAL:
1350                 hotkey << wxT("KP_Equal" );
1351                 break;
1352             case WXK_NUMPAD_MULTIPLY:
1353                 hotkey << wxT("KP_Multiply" );
1354                 break;
1355             case WXK_NUMPAD_ADD:
1356                 hotkey << wxT("KP_Add" );
1357                 break;
1358             case WXK_NUMPAD_SEPARATOR:
1359                 hotkey << wxT("KP_Separator" );
1360                 break;
1361             case WXK_NUMPAD_SUBTRACT:
1362                 hotkey << wxT("KP_Subtract" );
1363                 break;
1364             case WXK_NUMPAD_DECIMAL:
1365                 hotkey << wxT("KP_Decimal" );
1366                 break;
1367             case WXK_NUMPAD_DIVIDE:
1368                 hotkey << wxT("KP_Divide" );
1369                 break;
1370            case WXK_NUMPAD0: case WXK_NUMPAD1: case WXK_NUMPAD2:
1371            case WXK_NUMPAD3: case WXK_NUMPAD4: case WXK_NUMPAD5:
1372            case WXK_NUMPAD6: case WXK_NUMPAD7: case WXK_NUMPAD8: case WXK_NUMPAD9:
1373                 hotkey += wxString::Format(wxT("KP_%d"), code - WXK_NUMPAD0);
1374                 break;
1375             case WXK_WINDOWS_LEFT:
1376                 hotkey << wxT("Super_L" );
1377                 break;
1378             case WXK_WINDOWS_RIGHT:
1379                 hotkey << wxT("Super_R" );
1380                 break;
1381             case WXK_WINDOWS_MENU:
1382                 hotkey << wxT("Menu" );
1383                 break;
1384             case WXK_COMMAND:
1385                 hotkey << wxT("Command" );
1386                 break;
1387           /* These probably wouldn't work as there is no SpecialX in gdk/keynames.txt
1388             case WXK_SPECIAL1: case WXK_SPECIAL2: case WXK_SPECIAL3: case WXK_SPECIAL4:
1389             case WXK_SPECIAL5: case WXK_SPECIAL6: case WXK_SPECIAL7: case WXK_SPECIAL8:
1390             case WXK_SPECIAL9:  case WXK_SPECIAL10:  case WXK_SPECIAL11: case WXK_SPECIAL12:
1391             case WXK_SPECIAL13: case WXK_SPECIAL14: case WXK_SPECIAL15: case WXK_SPECIAL16:
1392             case WXK_SPECIAL17: case WXK_SPECIAL18: case WXK_SPECIAL19:  case WXK_SPECIAL20:
1393                 hotkey += wxString::Format(wxT("Special%d"), code - WXK_SPECIAL1 + 1);
1394                 break;
1395           */
1396                 // if there are any other keys wxGetAccelFromString() may
1397                 // return, we should process them here
1398
1399             default:
1400                 if ( code < 127 )
1401                 {
1402                     wxString name = wxGTK_CONV_BACK( gdk_keyval_name((guint)code) );
1403                     if ( name )
1404                     {
1405                         hotkey << name;
1406                         break;
1407                     }
1408                 }
1409
1410                 wxFAIL_MSG( wxT("unknown keyboard accel") );
1411         }
1412
1413         delete accel;
1414     }
1415
1416     return hotkey;
1417 }
1418
1419 #endif // wxUSE_ACCEL
1420
1421 // ----------------------------------------------------------------------------
1422 // Pop-up menu stuff
1423 // ----------------------------------------------------------------------------
1424
1425 #if wxUSE_MENUS_NATIVE
1426
1427 extern "C" WXDLLIMPEXP_CORE
1428 void gtk_pop_hide_callback( GtkWidget *WXUNUSED(widget), bool* is_waiting  )
1429 {
1430     *is_waiting = false;
1431 }
1432
1433 WXDLLIMPEXP_CORE void SetInvokingWindow( wxMenu *menu, wxWindow* win )
1434 {
1435     menu->SetInvokingWindow( win );
1436
1437     wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetFirst();
1438     while (node)
1439     {
1440         wxMenuItem *menuitem = node->GetData();
1441         if (menuitem->IsSubMenu())
1442         {
1443             SetInvokingWindow( menuitem->GetSubMenu(), win );
1444         }
1445
1446         node = node->GetNext();
1447     }
1448 }
1449
1450 extern "C" WXDLLIMPEXP_CORE
1451 void wxPopupMenuPositionCallback( GtkMenu *menu,
1452                                   gint *x, gint *y,
1453                                   gboolean * WXUNUSED(whatever),
1454                                   gpointer user_data )
1455 {
1456     // ensure that the menu appears entirely on screen
1457     GtkRequisition req;
1458     gtk_widget_get_child_requisition(GTK_WIDGET(menu), &req);
1459
1460     wxSize sizeScreen = wxGetDisplaySize();
1461     wxPoint *pos = (wxPoint*)user_data;
1462
1463     gint xmax = sizeScreen.x - req.width,
1464          ymax = sizeScreen.y - req.height;
1465
1466     *x = pos->x < xmax ? pos->x : xmax;
1467     *y = pos->y < ymax ? pos->y : ymax;
1468 }
1469
1470 bool wxWindowGTK::DoPopupMenu( wxMenu *menu, int x, int y )
1471 {
1472     wxCHECK_MSG( m_widget != NULL, false, wxT("invalid window") );
1473
1474     wxCHECK_MSG( menu != NULL, false, wxT("invalid popup-menu") );
1475
1476     // NOTE: if you change this code, you need to update
1477     //       the same code in taskbar.cpp as well. This
1478     //       is ugly code duplication, I know.
1479
1480     SetInvokingWindow( menu, this );
1481
1482     menu->UpdateUI();
1483
1484     bool is_waiting = true;
1485
1486     gulong handler = g_signal_connect (menu->m_menu, "hide",
1487                                        G_CALLBACK (gtk_pop_hide_callback),
1488                                        &is_waiting);
1489
1490     wxPoint pos;
1491     gpointer userdata;
1492     GtkMenuPositionFunc posfunc;
1493     if ( x == -1 && y == -1 )
1494     {
1495         // use GTK's default positioning algorithm
1496         userdata = NULL;
1497         posfunc = NULL;
1498     }
1499     else
1500     {
1501         pos = ClientToScreen(wxPoint(x, y));
1502         userdata = &pos;
1503         posfunc = wxPopupMenuPositionCallback;
1504     }
1505
1506     wxMenuEvent eventOpen(wxEVT_MENU_OPEN, -1, menu);
1507     DoCommonMenuCallbackCode(menu, eventOpen);
1508
1509     gtk_menu_popup(
1510                   GTK_MENU(menu->m_menu),
1511                   (GtkWidget *) NULL,           // parent menu shell
1512                   (GtkWidget *) NULL,           // parent menu item
1513                   posfunc,                      // function to position it
1514                   userdata,                     // client data
1515                   0,                            // button used to activate it
1516                   gtk_get_current_event_time()
1517                 );
1518
1519     while (is_waiting)
1520     {
1521         gtk_main_iteration();
1522     }
1523
1524     g_signal_handler_disconnect (menu->m_menu, handler);
1525
1526     wxMenuEvent eventClose(wxEVT_MENU_CLOSE, -1, menu);
1527     DoCommonMenuCallbackCode(menu, eventClose);
1528
1529     return true;
1530 }
1531
1532 #endif // wxUSE_MENUS_NATIVE