src/gtk/menu.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        menu.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation "menu.h"
  12 #pragma implementation "menuitem.h"
  13 #endif
  14
  15 #include "wx/log.h"
  16 #include "wx/intl.h"
  17 #include "wx/app.h"
  18 #include "wx/bitmap.h"
  19 #include "wx/menu.h"
  20
  21 #if wxUSE_ACCEL
  22     #include "wx/accel.h"
  23 #endif // wxUSE_ACCEL
  24
  25 #include "wx/gtk/private.h"
  26
  27 #include <gdk/gdkkeysyms.h>
  28
  29 // FIXME: is this right? somehow I don't think so (VZ)
  30 #ifdef __WXGTK20__
  31     #include <glib-object.h>
  32
  33     #define gtk_accel_group_attach(g, o) _gtk_accel_group_attach((g), (o))
  34     #define gtk_accel_group_detach(g, o) _gtk_accel_group_detach((g), (o))
  35     #define gtk_menu_ensure_uline_accel_group(m) gtk_menu_get_accel_group(m)
  36
  37     #define ACCEL_OBJECT        GObject
  38     #define ACCEL_OBJECTS(a)    (a)->acceleratables
  39     #define ACCEL_OBJ_CAST(obj) G_OBJECT(obj)
  40 #else // GTK+ 1.x
  41     #define ACCEL_OBJECT        GtkObject
  42     #define ACCEL_OBJECTS(a)    (a)->attach_objects
  43     #define ACCEL_OBJ_CAST(obj) GTK_OBJECT(obj)
  44 #endif
  45
  46 //-----------------------------------------------------------------------------
  47 // idle system
  48 //-----------------------------------------------------------------------------
  49
  50 extern void wxapp_install_idle_handler();
  51 extern bool g_isIdle;
  52
  53 #if GTK_CHECK_VERSION(1, 2, 0) && wxUSE_ACCEL
  54     static wxString GetHotKey( const wxMenuItem& item );
  55 #endif
  56
  57 //-----------------------------------------------------------------------------
  58 // substitute for missing GtkPixmapMenuItem
  59 //-----------------------------------------------------------------------------
  60
  61 // FIXME: I can't make this compile with GTK+ 2.0, disabling for now (VZ)
  62 #ifndef __WXGTK20__
  63     #define USE_MENU_BITMAPS
  64 #endif
  65
  66 #ifdef USE_MENU_BITMAPS
  67
  68 #define GTK_TYPE_PIXMAP_MENU_ITEM            (gtk_pixmap_menu_item_get_type ())
  69 #define GTK_PIXMAP_MENU_ITEM(obj)            (GTK_CHECK_CAST ((obj), GTK_TYPE_PIXMAP_MENU_ITEM, GtkPixmapMenuItem))
  70 #define GTK_PIXMAP_MENU_ITEM_CLASS(klass)    (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_PIXMAP_MENU_ITEM, GtkPixmapMenuItemClass))
  71 #define GTK_IS_PIXMAP_MENU_ITEM(obj)         (GTK_CHECK_TYPE ((obj), GTK_TYPE_PIXMAP_MENU_ITEM))
  72 #define GTK_IS_PIXMAP_MENU_ITEM_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_PIXMAP_MENU_ITEM))
  73 //#define GTK_PIXMAP_MENU_ITEM_GET_CLASS(obj)  (GTK_CHECK_GET_CLASS ((obj), GTK_TYPE_PIXMAP_MENU_ITEM))
  74 #define GTK_PIXMAP_MENU_ITEM_GET_CLASS(obj)  (GTK_PIXMAP_MENU_ITEM_CLASS( GTK_OBJECT_GET_CLASS(obj)))
  75
  76 #ifndef GTK_MENU_ITEM_GET_CLASS
  77 #define GTK_MENU_ITEM_GET_CLASS(obj) (GTK_MENU_ITEM_CLASS( GTK_OBJECT_GET_CLASS(obj)))
  78 #endif
  79
  80 typedef struct _GtkPixmapMenuItem       GtkPixmapMenuItem;
  81 typedef struct _GtkPixmapMenuItemClass  GtkPixmapMenuItemClass;
  82
  83 struct _GtkPixmapMenuItem
  84 {
  85     GtkMenuItem menu_item;
  86
  87     GtkWidget *pixmap;
  88 };
  89
  90 struct _GtkPixmapMenuItemClass
  91 {
  92     GtkMenuItemClass parent_class;
  93
  94     guint orig_toggle_size;
  95     guint have_pixmap_count;
  96 };
  97
  98
  99 GtkType           gtk_pixmap_menu_item_get_type       (void);
 100 GtkWidget* gtk_pixmap_menu_item_new            (void);
 101 void       gtk_pixmap_menu_item_set_pixmap     (GtkPixmapMenuItem *menu_item,
 102                                                                     GtkWidget *pixmap);
 103
 104 #endif // USE_MENU_BITMAPS
 105
 106 //-----------------------------------------------------------------------------
 107 // idle system
 108 //-----------------------------------------------------------------------------
 109
 110 static wxString wxReplaceUnderscore( const wxString& title )
 111 {
 112     const wxChar *pc;
 113
 114     /* GTK 1.2 wants to have "_" instead of "&" for accelerators */
 115     wxString str;
 116     pc = title;
 117     while (*pc != wxT('\0'))
 118     {
 119         if ((*pc == wxT('&')) && (*(pc+1) == wxT('&')))
 120         {
 121             // "&" is doubled to indicate "&" instead of accelerator
 122             ++pc;
 123             str << wxT('&');
 124         }
 125         else if (*pc == wxT('&'))
 126         {
 127 #if GTK_CHECK_VERSION(1, 2, 0)
 128             str << wxT('_');
 129 #endif
 130         }
 131 #if GTK_CHECK_VERSION(2, 0, 0)
 132         else if (*pc == wxT('/'))
 133         {
 134             str << wxT("\\/");
 135         }
 136         else if (*pc == wxT('\\'))
 137         {
 138             str << wxT("\\\\");
 139         }
 140 #elif GTK_CHECK_VERSION(1, 2, 0)
 141         else if (*pc == wxT('/'))
 142         {
 143             str << wxT('\\');
 144         }
 145 #endif
 146         else
 147         {
 148 #ifdef __WXGTK12__
 149             if ( *pc == wxT('_') )
 150             {
 151                 // underscores must be doubled to prevent them from being
 152                 // interpreted as accelerator character prefix by GTK
 153                 str << *pc;
 154             }
 155 #endif // GTK+ 1.2
 156
 157             str << *pc;
 158         }
 159         ++pc;
 160     }
 161     return str;
 162 }
 163
 164 //-----------------------------------------------------------------------------
 165 // activate message from GTK
 166 //-----------------------------------------------------------------------------
 167
 168 static void gtk_menu_open_callback( GtkWidget *widget, wxMenu *menu )
 169 {
 170     if (g_isIdle) wxapp_install_idle_handler();
 171
 172     wxMenuEvent event( wxEVT_MENU_OPEN, -1 );
 173     event.SetEventObject( menu );
 174
 175     wxEvtHandler* handler = menu->GetEventHandler();
 176     if (handler && handler->ProcessEvent(event))
 177         return;
 178
 179     wxWindow *win = menu->GetInvokingWindow();
 180     if (win) win->GetEventHandler()->ProcessEvent( event );
 181 }
 182
 183 //-----------------------------------------------------------------------------
 184 // wxMenuBar
 185 //-----------------------------------------------------------------------------
 186
 187 IMPLEMENT_DYNAMIC_CLASS(wxMenuBar,wxWindow)
 188
 189 wxMenuBar::wxMenuBar( long style )
 190 {
 191     /* the parent window is known after wxFrame::SetMenu() */
 192     m_needParent = FALSE;
 193     m_style = style;
 194     m_invokingWindow = (wxWindow*) NULL;
 195
 196     if (!PreCreation( (wxWindow*) NULL, wxDefaultPosition, wxDefaultSize ) ||
 197         !CreateBase( (wxWindow*) NULL, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("menubar") ))
 198     {
 199         wxFAIL_MSG( wxT("wxMenuBar creation failed") );
 200         return;
 201     }
 202
 203     m_menus.DeleteContents( TRUE );
 204
 205     /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
 206 #if GTK_CHECK_VERSION(1, 2, 1)
 207     m_accel = gtk_accel_group_new();
 208     m_factory = gtk_item_factory_new( GTK_TYPE_MENU_BAR, "<main>", m_accel );
 209     m_menubar = gtk_item_factory_get_widget( m_factory, "<main>" );
 210 #else
 211     m_menubar = gtk_menu_bar_new();
 212 #endif
 213
 214     if (style & wxMB_DOCKABLE)
 215     {
 216         m_widget = gtk_handle_box_new();
 217         gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_menubar) );
 218         gtk_widget_show( GTK_WIDGET(m_menubar) );
 219     }
 220     else
 221     {
 222         m_widget = GTK_WIDGET(m_menubar);
 223     }
 224
 225     PostCreation();
 226
 227     ApplyWidgetStyle();
 228 }
 229
 230 wxMenuBar::wxMenuBar()
 231 {
 232     /* the parent window is known after wxFrame::SetMenu() */
 233     m_needParent = FALSE;
 234     m_style = 0;
 235     m_invokingWindow = (wxWindow*) NULL;
 236
 237     if (!PreCreation( (wxWindow*) NULL, wxDefaultPosition, wxDefaultSize ) ||
 238         !CreateBase( (wxWindow*) NULL, -1, wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator, wxT("menubar") ))
 239     {
 240         wxFAIL_MSG( wxT("wxMenuBar creation failed") );
 241         return;
 242     }
 243
 244     m_menus.DeleteContents( TRUE );
 245
 246     /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
 247 #if GTK_CHECK_VERSION(1, 2, 1)
 248     m_accel = gtk_accel_group_new();
 249     m_factory = gtk_item_factory_new( GTK_TYPE_MENU_BAR, "<main>", m_accel );
 250     m_menubar = gtk_item_factory_get_widget( m_factory, "<main>" );
 251 #else
 252     m_menubar = gtk_menu_bar_new();
 253 #endif
 254
 255     m_widget = GTK_WIDGET(m_menubar);
 256
 257     PostCreation();
 258
 259     ApplyWidgetStyle();
 260 }
 261
 262 wxMenuBar::~wxMenuBar()
 263 {
 264 //    gtk_object_unref( GTK_OBJECT(m_factory) );  why not ?
 265 }
 266
 267 static void wxMenubarUnsetInvokingWindow( wxMenu *menu, wxWindow *win )
 268 {
 269     menu->SetInvokingWindow( (wxWindow*) NULL );
 270
 271     wxWindow *top_frame = win;
 272     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 273         top_frame = top_frame->GetParent();
 274
 275     /* support for native hot keys */
 276     gtk_accel_group_detach( menu->m_accel, ACCEL_OBJ_CAST(top_frame->m_widget) );
 277
 278     wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
 279     while (node)
 280     {
 281         wxMenuItem *menuitem = node->GetData();
 282         if (menuitem->IsSubMenu())
 283             wxMenubarUnsetInvokingWindow( menuitem->GetSubMenu(), win );
 284         node = node->GetNext();
 285     }
 286 }
 287
 288 static void wxMenubarSetInvokingWindow( wxMenu *menu, wxWindow *win )
 289 {
 290     menu->SetInvokingWindow( win );
 291
 292 #if GTK_CHECK_VERSION(1, 2, 1)
 293     wxWindow *top_frame = win;
 294     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 295         top_frame = top_frame->GetParent();
 296
 297     /* support for native hot keys  */
 298     ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget);
 299     if ( !g_slist_find( ACCEL_OBJECTS(menu->m_accel), obj ) )
 300         gtk_accel_group_attach( menu->m_accel, obj );
 301 #endif // GTK+ 1.2.1+
 302
 303     wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
 304     while (node)
 305     {
 306         wxMenuItem *menuitem = node->GetData();
 307         if (menuitem->IsSubMenu())
 308             wxMenubarSetInvokingWindow( menuitem->GetSubMenu(), win );
 309         node = node->GetNext();
 310     }
 311 }
 312
 313 void wxMenuBar::SetInvokingWindow( wxWindow *win )
 314 {
 315     m_invokingWindow = win;
 316 #if GTK_CHECK_VERSION(1, 2, 1)
 317     wxWindow *top_frame = win;
 318     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 319         top_frame = top_frame->GetParent();
 320
 321     /* support for native key accelerators indicated by underscroes */
 322     ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget);
 323     if ( !g_slist_find( ACCEL_OBJECTS(m_accel), obj ) )
 324         gtk_accel_group_attach( m_accel, obj );
 325 #endif // GTK+ 1.2.1+
 326
 327     wxMenuList::Node *node = m_menus.GetFirst();
 328     while (node)
 329     {
 330         wxMenu *menu = node->GetData();
 331         wxMenubarSetInvokingWindow( menu, win );
 332         node = node->GetNext();
 333     }
 334 }
 335
 336 void wxMenuBar::UnsetInvokingWindow( wxWindow *win )
 337 {
 338     m_invokingWindow = (wxWindow*) NULL;
 339 #if GTK_CHECK_VERSION(1, 2, 1)
 340     wxWindow *top_frame = win;
 341     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 342         top_frame = top_frame->GetParent();
 343
 344     // support for native key accelerators indicated by underscroes
 345     gtk_accel_group_detach( m_accel, ACCEL_OBJ_CAST(top_frame->m_widget) );
 346 #endif // GTK+ 1.2.1+
 347
 348     wxMenuList::Node *node = m_menus.GetFirst();
 349     while (node)
 350     {
 351         wxMenu *menu = node->GetData();
 352         wxMenubarUnsetInvokingWindow( menu, win );
 353         node = node->GetNext();
 354     }
 355 }
 356
 357 bool wxMenuBar::Append( wxMenu *menu, const wxString &title )
 358 {
 359     if ( !wxMenuBarBase::Append( menu, title ) )
 360         return FALSE;
 361
 362     return GtkAppend(menu, title);
 363 }
 364
 365 bool wxMenuBar::GtkAppend(wxMenu *menu, const wxString& title)
 366 {
 367     wxString str( wxReplaceUnderscore( title ) );
 368
 369     // This doesn't have much effect right now.
 370     menu->SetTitle( str );
 371
 372     // GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has.
 373 #if GTK_CHECK_VERSION(1, 2, 1)
 374
 375     wxString buf;
 376     buf << wxT('/') << str.c_str();
 377
 378     // local buffer in multibyte form
 379     char cbuf[400];
 380     strcpy(cbuf, wxGTK_CONV(buf) );
 381
 382     GtkItemFactoryEntry entry;
 383     entry.path = (gchar *)cbuf;  // const_cast
 384     entry.accelerator = (gchar*) NULL;
 385     entry.callback = (GtkItemFactoryCallback) NULL;
 386     entry.callback_action = 0;
 387     entry.item_type = (char *)"<Branch>";
 388
 389     gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 );  // what is 2 ?
 390     // in order to get the pointer to the item we need the item text _without_ underscores
 391     wxString tmp = wxT("<main>/");
 392     const wxChar *pc;
 393     for ( pc = str; *pc != wxT('\0'); pc++ )
 394     {
 395        // contrary to the common sense, we must throw out _all_ underscores,
 396        // (i.e. "Hello__World" => "HelloWorld" and not "Hello_World" as we
 397        // might naively think). IMHO it's a bug in GTK+ (VZ)
 398        while (*pc == wxT('_'))
 399            pc++;
 400        tmp << *pc;
 401     }
 402     menu->m_owner = gtk_item_factory_get_item( m_factory, wxGTK_CONV( tmp ) );
 403     gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
 404 #else
 405
 406     menu->m_owner = gtk_menu_item_new_with_label( wxGTK_CONV( str ) );
 407     gtk_widget_show( menu->m_owner );
 408     gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
 409
 410     gtk_menu_bar_append( GTK_MENU_BAR(m_menubar), menu->m_owner );
 411
 412 #endif
 413
 414     gtk_signal_connect( GTK_OBJECT(menu->m_owner), "activate",
 415                         GTK_SIGNAL_FUNC(gtk_menu_open_callback),
 416                         (gpointer)menu );
 417
 418     // m_invokingWindow is set after wxFrame::SetMenuBar(). This call enables
 419     // addings menu later on.
 420     if (m_invokingWindow)
 421     {
 422         wxMenubarSetInvokingWindow( menu, m_invokingWindow );
 423
 424             // OPTIMISE ME:  we should probably cache this, or pass it
 425             //               directly, but for now this is a minimal
 426             //               change to validate the new dynamic sizing.
 427             //               see (and refactor :) similar code in Remove
 428             //               below.
 429
 430         wxFrame *frame = wxDynamicCast( m_invokingWindow, wxFrame );
 431
 432         if( frame )
 433             frame->UpdateMenuBarSize();
 434     }
 435
 436     return TRUE;
 437 }
 438
 439 bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
 440 {
 441     if ( !wxMenuBarBase::Insert(pos, menu, title) )
 442         return FALSE;
 443
 444     // GTK+ doesn't have a function to insert a menu using GtkItemFactory (as
 445     // of version 1.2.6), so we first append the item and then change its
 446     // index
 447     if ( !GtkAppend(menu, title) )
 448         return FALSE;
 449
 450     if (pos+1 >= m_menus.GetCount())
 451         return TRUE;
 452
 453     GtkMenuShell *menu_shell = GTK_MENU_SHELL(m_factory->widget);
 454     gpointer data = g_list_last(menu_shell->children)->data;
 455     menu_shell->children = g_list_remove(menu_shell->children, data);
 456     menu_shell->children = g_list_insert(menu_shell->children, data, pos);
 457
 458     return TRUE;
 459 }
 460
 461 wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
 462 {
 463     // remove the old item and insert a new one
 464     wxMenu *menuOld = Remove(pos);
 465     if ( menuOld && !Insert(pos, menu, title) )
 466     {
 467         return (wxMenu*) NULL;
 468     }
 469
 470     // either Insert() succeeded or Remove() failed and menuOld is NULL
 471     return menuOld;
 472 }
 473
 474 static wxMenu *CopyMenu (wxMenu *menu)
 475 {
 476     wxMenu *menucopy = new wxMenu ();
 477     wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
 478     while (node)
 479     {
 480         wxMenuItem *item = node->GetData();
 481         int itemid = item->GetId();
 482         wxString text = item->GetText();
 483         text.Replace(wxT("_"), wxT("&"));
 484         wxMenu *submenu = item->GetSubMenu();
 485         if (!submenu)
 486         {
 487             wxMenuItem* itemcopy = new wxMenuItem(menucopy,
 488                                         itemid, text,
 489                                         menu->GetHelpString(itemid));
 490             itemcopy->SetBitmap(item->GetBitmap());
 491             itemcopy->SetCheckable(item->IsCheckable());
 492             menucopy->Append(itemcopy);
 493         }
 494         else
 495           menucopy->Append (itemid, text, CopyMenu(submenu),
 496                             menu->GetHelpString(itemid));
 497
 498         node = node->GetNext();
 499     }
 500
 501     return menucopy;
 502 }
 503
 504 wxMenu *wxMenuBar::Remove(size_t pos)
 505 {
 506     wxMenu *menu = wxMenuBarBase::Remove(pos);
 507     if ( !menu )
 508         return (wxMenu*) NULL;
 509
 510 /*
 511     GtkMenuShell *menu_shell = GTK_MENU_SHELL(m_factory->widget);
 512
 513     printf( "factory entries before %d\n", (int)g_slist_length(m_factory->items) );
 514     printf( "menu shell entries before %d\n", (int)g_list_length( menu_shell->children ) );
 515 */
 516
 517     wxMenu *menucopy = CopyMenu( menu );
 518
 519     // unparent calls unref() and that would delete the widget so we raise
 520     // the ref count to 2 artificially before invoking unparent.
 521     gtk_widget_ref( menu->m_menu );
 522     gtk_widget_unparent( menu->m_menu );
 523
 524     gtk_widget_destroy( menu->m_owner );
 525     delete menu;
 526
 527     menu = menucopy;
 528 /*
 529     printf( "factory entries after %d\n", (int)g_slist_length(m_factory->items) );
 530     printf( "menu shell entries after %d\n", (int)g_list_length( menu_shell->children ) );
 531 */
 532
 533     if (m_invokingWindow)
 534     {
 535             // OPTIMISE ME:  see comment in GtkAppend
 536
 537     wxFrame *frame = wxDynamicCast( m_invokingWindow, wxFrame );
 538
 539     if( frame )
 540             frame->UpdateMenuBarSize();
 541     }
 542
 543     return menu;
 544 }
 545
 546 static int FindMenuItemRecursive( const wxMenu *menu, const wxString &menuString, const wxString &itemString )
 547 {
 548     if (wxMenuItem::GetLabelFromText(menu->GetTitle()) == wxMenuItem::GetLabelFromText(menuString))
 549     {
 550         int res = menu->FindItem( itemString );
 551         if (res != wxNOT_FOUND)
 552             return res;
 553     }
 554
 555     wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
 556     while (node)
 557     {
 558         wxMenuItem *item = node->GetData();
 559         if (item->IsSubMenu())
 560             return FindMenuItemRecursive(item->GetSubMenu(), menuString, itemString);
 561
 562         node = node->GetNext();
 563     }
 564
 565     return wxNOT_FOUND;
 566 }
 567
 568 int wxMenuBar::FindMenuItem( const wxString &menuString, const wxString &itemString ) const
 569 {
 570     wxMenuList::Node *node = m_menus.GetFirst();
 571     while (node)
 572     {
 573         wxMenu *menu = node->GetData();
 574         int res = FindMenuItemRecursive( menu, menuString, itemString);
 575         if (res != -1)
 576             return res;
 577         node = node->GetNext();
 578     }
 579
 580     return wxNOT_FOUND;
 581 }
 582
 583 // Find a wxMenuItem using its id. Recurses down into sub-menus
 584 static wxMenuItem* FindMenuItemByIdRecursive(const wxMenu* menu, int id)
 585 {
 586     wxMenuItem* result = menu->FindChildItem(id);
 587
 588     wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
 589     while ( node && result == NULL )
 590     {
 591         wxMenuItem *item = node->GetData();
 592         if (item->IsSubMenu())
 593         {
 594             result = FindMenuItemByIdRecursive( item->GetSubMenu(), id );
 595         }
 596         node = node->GetNext();
 597     }
 598
 599     return result;
 600 }
 601
 602 wxMenuItem* wxMenuBar::FindItem( int id, wxMenu **menuForItem ) const
 603 {
 604     wxMenuItem* result = 0;
 605     wxMenuList::Node *node = m_menus.GetFirst();
 606     while (node && result == 0)
 607     {
 608         wxMenu *menu = node->GetData();
 609         result = FindMenuItemByIdRecursive( menu, id );
 610         node = node->GetNext();
 611     }
 612
 613     if ( menuForItem )
 614     {
 615         *menuForItem = result ? result->GetMenu() : (wxMenu *)NULL;
 616     }
 617
 618     return result;
 619 }
 620
 621 void wxMenuBar::EnableTop( size_t pos, bool flag )
 622 {
 623     wxMenuList::Node *node = m_menus.Item( pos );
 624
 625     wxCHECK_RET( node, wxT("menu not found") );
 626
 627     wxMenu* menu = node->GetData();
 628
 629     if (menu->m_owner)
 630         gtk_widget_set_sensitive( menu->m_owner, flag );
 631 }
 632
 633 wxString wxMenuBar::GetLabelTop( size_t pos ) const
 634 {
 635     wxMenuList::Node *node = m_menus.Item( pos );
 636
 637     wxCHECK_MSG( node, wxT("invalid"), wxT("menu not found") );
 638
 639     wxMenu* menu = node->GetData();
 640
 641     wxString label;
 642     wxString text( menu->GetTitle() );
 643     for ( const wxChar *pc = text.c_str(); *pc; pc++ )
 644     {
 645         if ( *pc == wxT('_') )
 646         {
 647             // '_' is the escape character for GTK+
 648             continue;
 649         }
 650
 651         // don't remove ampersands '&' since if we have them in the menu title
 652         // it means that they were doubled to indicate "&" instead of accelerator
 653
 654         label += *pc;
 655     }
 656
 657     return label;
 658 }
 659
 660 void wxMenuBar::SetLabelTop( size_t pos, const wxString& label )
 661 {
 662     wxMenuList::Node *node = m_menus.Item( pos );
 663
 664     wxCHECK_RET( node, wxT("menu not found") );
 665
 666     wxMenu* menu = node->GetData();
 667
 668     wxString str( wxReplaceUnderscore( label ) );
 669
 670     menu->SetTitle( str );
 671
 672     if (menu->m_owner)
 673     {
 674         GtkLabel *label = GTK_LABEL( GTK_BIN(menu->m_owner)->child );
 675
 676         /* set new text */
 677         gtk_label_set( label, wxGTK_CONV( str ) );
 678
 679         /* reparse key accel */
 680         (void)gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV( str ) );
 681         gtk_accel_label_refetch( GTK_ACCEL_LABEL(label) );
 682     }
 683
 684 }
 685
 686 //-----------------------------------------------------------------------------
 687 // "activate"
 688 //-----------------------------------------------------------------------------
 689
 690 static void gtk_menu_clicked_callback( GtkWidget *widget, wxMenu *menu )
 691 {
 692     if (g_isIdle)
 693         wxapp_install_idle_handler();
 694
 695     int id = menu->FindMenuIdByMenuItem(widget);
 696
 697     /* should find it for normal (not popup) menu */
 698     wxASSERT_MSG( (id != -1) || (menu->GetInvokingWindow() != NULL),
 699                   _T("menu item not found in gtk_menu_clicked_callback") );
 700
 701     if (!menu->IsEnabled(id))
 702         return;
 703
 704     wxMenuItem* item = menu->FindChildItem( id );
 705     wxCHECK_RET( item, wxT("error in menu item callback") );
 706
 707     if (item->IsCheckable())
 708     {
 709         bool isReallyChecked = item->IsChecked(),
 710             isInternallyChecked = item->wxMenuItemBase::IsChecked();
 711
 712         // ensure that the internal state is always consistent with what is
 713         // shown on the screen
 714         item->wxMenuItemBase::Check(isReallyChecked);
 715
 716         // we must not report the events for the radio button going up nor the
 717         // events resulting from the calls to wxMenuItem::Check()
 718         if ( (item->GetKind() == wxITEM_RADIO && !isReallyChecked) ||
 719              (isInternallyChecked == isReallyChecked) )
 720         {
 721             return;
 722         }
 723     }
 724
 725
 726     // Is this menu on a menubar?  (possibly nested)
 727     wxFrame* frame = NULL;
 728     wxMenu*  pm = menu;
 729     while ( pm && !frame )
 730     {
 731         if ( pm->IsAttached() )
 732             frame = pm->GetMenuBar()->GetFrame();
 733         pm = pm->GetParent();
 734     }
 735
 736     if (frame)
 737     {
 738         // If it is attached then let the frame send the event.
 739         // Don't call frame->ProcessCommand(id) because it toggles
 740         // checkable items and we've already done that above.
 741         wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, id);
 742         commandEvent.SetEventObject(frame);
 743         if (item->IsCheckable())
 744             commandEvent.SetInt(item->IsChecked());
 745
 746         frame->GetEventHandler()->ProcessEvent(commandEvent);
 747     }
 748     else
 749     {
 750         // otherwise let the menu have it
 751         menu->SendEvent(id, item->IsCheckable() ? item->IsChecked() : -1);
 752     }
 753 }
 754
 755 //-----------------------------------------------------------------------------
 756 // "select"
 757 //-----------------------------------------------------------------------------
 758
 759 static void gtk_menu_hilight_callback( GtkWidget *widget, wxMenu *menu )
 760 {
 761     if (g_isIdle) wxapp_install_idle_handler();
 762
 763     int id = menu->FindMenuIdByMenuItem(widget);
 764
 765     wxASSERT( id != -1 ); // should find it!
 766
 767     if (!menu->IsEnabled(id))
 768         return;
 769
 770     wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, id );
 771     event.SetEventObject( menu );
 772
 773     wxEvtHandler* handler = menu->GetEventHandler();
 774     if (handler && handler->ProcessEvent(event))
 775         return;
 776
 777     wxWindow *win = menu->GetInvokingWindow();
 778     if (win) win->GetEventHandler()->ProcessEvent( event );
 779 }
 780
 781 //-----------------------------------------------------------------------------
 782 // "deselect"
 783 //-----------------------------------------------------------------------------
 784
 785 static void gtk_menu_nolight_callback( GtkWidget *widget, wxMenu *menu )
 786 {
 787     if (g_isIdle) wxapp_install_idle_handler();
 788
 789     int id = menu->FindMenuIdByMenuItem(widget);
 790
 791     wxASSERT( id != -1 ); // should find it!
 792
 793     if (!menu->IsEnabled(id))
 794         return;
 795
 796     wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, -1 );
 797     event.SetEventObject( menu );
 798
 799     wxEvtHandler* handler = menu->GetEventHandler();
 800     if (handler && handler->ProcessEvent(event))
 801         return;
 802
 803     wxWindow *win = menu->GetInvokingWindow();
 804     if (win)
 805         win->GetEventHandler()->ProcessEvent( event );
 806 }
 807
 808 //-----------------------------------------------------------------------------
 809 // wxMenuItem
 810 //-----------------------------------------------------------------------------
 811
 812 IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
 813
 814 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
 815                                 int id,
 816                                 const wxString& name,
 817                                 const wxString& help,
 818                                 wxItemKind kind,
 819                                 wxMenu *subMenu)
 820 {
 821     return new wxMenuItem(parentMenu, id, name, help, kind, subMenu);
 822 }
 823
 824 wxMenuItem::wxMenuItem(wxMenu *parentMenu,
 825                        int id,
 826                        const wxString& text,
 827                        const wxString& help,
 828                        wxItemKind kind,
 829                        wxMenu *subMenu)
 830           : wxMenuItemBase(parentMenu, id, text, help, kind, subMenu)
 831 {
 832     Init(text);
 833 }
 834
 835 wxMenuItem::wxMenuItem(wxMenu *parentMenu,
 836                        int id,
 837                        const wxString& text,
 838                        const wxString& help,
 839                        bool isCheckable,
 840                        wxMenu *subMenu)
 841           : wxMenuItemBase(parentMenu, id, text, help,
 842                            isCheckable ? wxITEM_CHECK : wxITEM_NORMAL, subMenu)
 843 {
 844     Init(text);
 845 }
 846
 847 void wxMenuItem::Init(const wxString& text)
 848 {
 849     m_labelWidget = (GtkWidget *) NULL;
 850     m_menuItem = (GtkWidget *) NULL;
 851
 852     DoSetText(text);
 853 }
 854
 855 wxMenuItem::~wxMenuItem()
 856 {
 857    // don't delete menu items, the menus take care of that
 858 }
 859
 860 // return the menu item text without any menu accels
 861 /* static */
 862 wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
 863 {
 864     wxString label;
 865
 866     for ( const wxChar *pc = text.c_str(); *pc; pc++ )
 867     {
 868         if ( *pc == wxT('_') )
 869         {
 870             // GTK 1.2 escapes "xxx_xxx" to "xxx__xxx"
 871             pc++;
 872             label += *pc;
 873             continue;
 874         }
 875
 876 #if GTK_CHECK_VERSION(2, 0, 0)
 877         if ( *pc == wxT('\\')  )
 878         {
 879             // GTK 2.0 escapes "xxx/xxx" to "xxx\/xxx"
 880             pc++;
 881             label += *pc;
 882             continue;
 883         }
 884 #endif
 885
 886         if ( (*pc == wxT('&')) && (*(pc+1) != wxT('&')) )
 887         {
 888             // wxMSW escapes "&"
 889             // "&" is doubled to indicate "&" instead of accelerator
 890             continue;
 891         }
 892
 893         label += *pc;
 894     }
 895
 896     // wxPrintf( L"text %s label %s\n", text.c_str(), label.c_str() );
 897
 898     return label;
 899 }
 900
 901 void wxMenuItem::SetText( const wxString& str )
 902 {
 903     // Some optimization to avoid flicker
 904     wxString oldLabel = m_text;
 905     oldLabel = wxStripMenuCodes(oldLabel.BeforeFirst('\t'));
 906     oldLabel.Replace(wxT("_"), wxT(""));
 907     wxString label1 = wxStripMenuCodes(str.BeforeFirst('\t'));
 908     if (oldLabel == label1)
 909         return;
 910
 911     DoSetText(str);
 912
 913     if (m_menuItem)
 914     {
 915         GtkLabel *label;
 916         if (m_labelWidget)
 917             label = (GtkLabel*) m_labelWidget;
 918         else
 919             label = GTK_LABEL( GTK_BIN(m_menuItem)->child );
 920
 921 #if GTK_CHECK_VERSION(2, 0, 0)
 922         // We have to imitate item_factory_unescape_label here
 923         wxString tmp;
 924         for (size_t n = 0; n < m_text.Len(); n++)
 925         {
 926             if (m_text[n] != wxT('\\'))
 927                 tmp += m_text[n];
 928         }
 929
 930         gtk_label_set_text_with_mnemonic( GTK_LABEL(label), wxGTK_CONV(tmp) );
 931 #else
 932         // set new text
 933         gtk_label_set( label, wxGTK_CONV( m_text ) );
 934
 935         // reparse key accel
 936         (void)gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV(m_text) );
 937         gtk_accel_label_refetch( GTK_ACCEL_LABEL(label) );
 938 #endif
 939     }
 940 }
 941
 942 // it's valid for this function to be called even if m_menuItem == NULL
 943 void wxMenuItem::DoSetText( const wxString& str )
 944 {
 945     // '\t' is the deliminator indicating a hot key
 946     m_text.Empty();
 947     const wxChar *pc = str;
 948     while ( (*pc != wxT('\0')) && (*pc != wxT('\t')) )
 949     {
 950         if ((*pc == wxT('&')) && (*(pc+1) == wxT('&')))
 951         {
 952             // "&" is doubled to indicate "&" instead of accelerator
 953             ++pc;
 954             m_text << wxT('&');
 955         }
 956         else if (*pc == wxT('&'))
 957         {
 958             m_text << wxT('_');
 959         }
 960 #if GTK_CHECK_VERSION(2, 0, 0)
 961         else if ( *pc == wxT('_') )    // escape underscores
 962         {
 963             // m_text << wxT("__");    doesn't work
 964             m_text << wxT("__");
 965         }
 966         else if (*pc == wxT('/'))      // we have to escape slashes
 967         {
 968             m_text << wxT("\\/");
 969         }
 970         else if (*pc == wxT('\\'))     // we have to double backslashes
 971         {
 972             m_text << wxT("\\\\");
 973         }
 974 #else
 975         else if ( *pc == wxT('_') )    // escape underscores
 976         {
 977             m_text << wxT("__");
 978         }
 979         else if (*pc == wxT('/'))      /* we have to filter out slashes ... */
 980         {
 981             m_text << wxT('\\');  /* ... and replace them with back slashes */
 982         }
 983 #endif
 984         else {
 985             m_text << *pc;
 986         }
 987         ++pc;
 988     }
 989
 990     // wxPrintf( L"str %s m_text %s\n", str.c_str(), m_text.c_str() );
 991
 992     m_hotKey = wxT("");
 993
 994     if(*pc == wxT('\t'))
 995     {
 996        pc++;
 997        m_hotKey = pc;
 998     }
 999 }
1000
1001 #if wxUSE_ACCEL
1002
1003 wxAcceleratorEntry *wxMenuItem::GetAccel() const
1004 {
1005     if ( !GetHotKey() )
1006     {
1007         // nothing
1008         return (wxAcceleratorEntry *)NULL;
1009     }
1010
1011     // as wxGetAccelFromString() looks for TAB, insert a dummy one here
1012     wxString label;
1013     label << wxT('\t') << GetHotKey();
1014
1015     return wxGetAccelFromString(label);
1016 }
1017
1018 #endif // wxUSE_ACCEL
1019
1020 void wxMenuItem::Check( bool check )
1021 {
1022     wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
1023
1024     if (check == m_isChecked)
1025         return;
1026
1027     wxMenuItemBase::Check( check );
1028
1029     switch ( GetKind() )
1030     {
1031         case wxITEM_CHECK:
1032         case wxITEM_RADIO:
1033             gtk_check_menu_item_set_state( (GtkCheckMenuItem*)m_menuItem, (gint)check );
1034             break;
1035
1036         default:
1037             wxFAIL_MSG( _T("can't check this item") );
1038     }
1039 }
1040
1041 void wxMenuItem::Enable( bool enable )
1042 {
1043     wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
1044
1045     gtk_widget_set_sensitive( m_menuItem, enable );
1046     wxMenuItemBase::Enable( enable );
1047 }
1048
1049 bool wxMenuItem::IsChecked() const
1050 {
1051     wxCHECK_MSG( m_menuItem, FALSE, wxT("invalid menu item") );
1052
1053     wxCHECK_MSG( IsCheckable(), FALSE,
1054                  wxT("can't get state of uncheckable item!") );
1055
1056     return ((GtkCheckMenuItem*)m_menuItem)->active != 0;
1057 }
1058
1059 wxString wxMenuItem::GetFactoryPath() const
1060 {
1061     // In order to get the pointer to the item we need the item
1062     // text _without_ underscores in GTK 1.2
1063     wxString path( wxT("<main>/") );
1064
1065     for ( const wxChar *pc = m_text.c_str(); *pc; pc++ )
1066     {
1067         if ( *pc == wxT('_') )
1068         {
1069 #ifdef __WXGTK20__
1070             pc++;
1071 #else
1072             // remove '_' unconditionally
1073             continue;
1074 #endif
1075         }
1076
1077         // don't remove ampersands '&' since if we have them in the menu item title
1078         // it means that they were doubled to indicate "&" instead of accelerator
1079
1080         path += *pc;
1081     }
1082
1083     return path;
1084 }
1085
1086 //-----------------------------------------------------------------------------
1087 // wxMenu
1088 //-----------------------------------------------------------------------------
1089
1090 IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler)
1091
1092 void wxMenu::Init()
1093 {
1094     m_accel = gtk_accel_group_new();
1095     m_factory = gtk_item_factory_new( GTK_TYPE_MENU, "<main>", m_accel );
1096     m_menu = gtk_item_factory_get_widget( m_factory, "<main>" );
1097
1098     m_owner = (GtkWidget*) NULL;
1099
1100     // Tearoffs are entries, just like separators. So if we want this
1101     // menu to be a tear-off one, we just append a tearoff entry
1102     // immediately.
1103     if(m_style & wxMENU_TEAROFF)
1104     {
1105        GtkItemFactoryEntry entry;
1106        entry.path = (char *)"/tearoff";
1107        entry.callback = (GtkItemFactoryCallback) NULL;
1108        entry.callback_action = 0;
1109        entry.item_type = (char *)"<Tearoff>";
1110        entry.accelerator = (gchar*) NULL;
1111        gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 );  // what is 2 ?
1112        //GtkWidget *menuItem = gtk_item_factory_get_widget( m_factory, "<main>/tearoff" );
1113     }
1114
1115     // append the title as the very first entry if we have it
1116     if ( !!m_title )
1117     {
1118         Append(-2, m_title);
1119         AppendSeparator();
1120     }
1121 }
1122
1123 wxMenu::~wxMenu()
1124 {
1125    m_items.Clear();
1126
1127    gtk_widget_destroy( m_menu );
1128
1129    gtk_object_unref( GTK_OBJECT(m_factory) );
1130 }
1131
1132 bool wxMenu::GtkAppend(wxMenuItem *mitem)
1133 {
1134     GtkWidget *menuItem;
1135
1136 #if defined(USE_MENU_BITMAPS) || !GTK_CHECK_VERSION(1, 2, 0)
1137     bool appended = FALSE;
1138 #endif
1139
1140     // does this item terminate the current radio group?
1141     bool endOfRadioGroup = TRUE;
1142
1143     if ( mitem->IsSeparator() )
1144     {
1145         GtkItemFactoryEntry entry;
1146         entry.path = (char *)"/sep";
1147         entry.callback = (GtkItemFactoryCallback) NULL;
1148         entry.callback_action = 0;
1149         entry.item_type = (char *)"<Separator>";
1150         entry.accelerator = (gchar*) NULL;
1151
1152         gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 );  // what is 2 ?
1153
1154         // this will be wrong for more than one separator. do we care?
1155         menuItem = gtk_item_factory_get_widget( m_factory, "<main>/sep" );
1156
1157         // we might have a separator inside a radio group
1158         endOfRadioGroup = FALSE;
1159     }
1160     else if ( mitem->IsSubMenu() )
1161     {
1162         // text has "_" instead of "&" after mitem->SetText()
1163         wxString text( mitem->GetText() );
1164
1165         // local buffer in multibyte form
1166         char buf[200];
1167         strcpy( buf, "/" );
1168         strcat( buf, wxGTK_CONV( text ) );
1169
1170         GtkItemFactoryEntry entry;
1171         entry.path = buf;
1172         entry.callback = (GtkItemFactoryCallback) 0;
1173         entry.callback_action = 0;
1174         entry.item_type = (char *)"<Branch>";
1175         entry.accelerator = (gchar*) NULL;
1176
1177         gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 );  // what is 2 ?
1178
1179         wxString path( mitem->GetFactoryPath() );
1180         menuItem = gtk_item_factory_get_item( m_factory, wxGTK_CONV( path ) );
1181
1182         gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), mitem->GetSubMenu()->m_menu );
1183
1184         // if adding a submenu to a menu already existing in the menu bar, we
1185         // must set invoking window to allow processing events from this
1186         // submenu
1187         if ( m_invokingWindow )
1188             wxMenubarSetInvokingWindow(mitem->GetSubMenu(), m_invokingWindow);
1189     }
1190 #ifdef USE_MENU_BITMAPS
1191     else if (mitem->GetBitmap().Ok()) // An item with bitmap
1192     {
1193         wxString text( mitem->GetText() );
1194         const wxBitmap *bitmap = &mitem->GetBitmap();
1195
1196         menuItem = gtk_pixmap_menu_item_new ();
1197         GtkWidget *label = gtk_accel_label_new ( wxGTK_CONV( text ) );
1198         gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
1199         gtk_container_add (GTK_CONTAINER (menuItem), label);
1200         guint accel_key = gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV( text ) );
1201         gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (label), menuItem);
1202         if (accel_key != GDK_VoidSymbol)
1203         {
1204             gtk_widget_add_accelerator (menuItem,
1205                                         "activate_item",
1206                                         gtk_menu_ensure_uline_accel_group (GTK_MENU (m_menu)),
1207                                         accel_key, 0,
1208                                         GTK_ACCEL_LOCKED);
1209         }
1210         gtk_widget_show (label);
1211
1212         mitem->SetLabelWidget(label);
1213
1214         GtkWidget* pixmap = gtk_pixmap_new( bitmap->GetPixmap(), bitmap->GetMask() ? bitmap->GetMask()->GetBitmap() : (GdkBitmap* )NULL);
1215         gtk_widget_show(pixmap);
1216         gtk_pixmap_menu_item_set_pixmap(GTK_PIXMAP_MENU_ITEM( menuItem ), pixmap);
1217
1218         gtk_signal_connect( GTK_OBJECT(menuItem), "activate",
1219                             GTK_SIGNAL_FUNC(gtk_menu_clicked_callback),
1220                             (gpointer)this );
1221
1222         gtk_menu_append( GTK_MENU(m_menu), menuItem );
1223         gtk_widget_show( menuItem );
1224
1225         appended = TRUE; // We've done this, don't do it again
1226     }
1227 #endif // USE_MENU_BITMAPS
1228     else // a normal item
1229     {
1230         // text has "_" instead of "&" after mitem->SetText() so don't use it
1231         wxString text( mitem->GetText() );
1232
1233         // buffers containing the menu item path and type in multibyte form
1234         char bufPath[256],
1235              bufType[256];
1236
1237         strcpy( bufPath, "/" );
1238         strncat( bufPath, wxGTK_CONV(text), WXSIZEOF(bufPath) - 2 );
1239         bufPath[WXSIZEOF(bufPath) - 1] = '\0';
1240
1241         GtkItemFactoryEntry entry;
1242         entry.path = bufPath;
1243         entry.callback = (GtkItemFactoryCallback) gtk_menu_clicked_callback;
1244         entry.callback_action = 0;
1245
1246         wxString pathRadio;
1247         const char *item_type;
1248         switch ( mitem->GetKind() )
1249         {
1250             case wxITEM_CHECK:
1251                 item_type = "<CheckItem>";
1252                 break;
1253
1254             case wxITEM_RADIO:
1255                 if ( m_pathLastRadio.empty() )
1256                 {
1257                     // start of a new radio group
1258                     item_type = "<RadioItem>";
1259                     wxString tmp( wxGTK_CONV_BACK( bufPath ) );
1260                     tmp.Remove(0,1);
1261                     m_pathLastRadio = tmp;
1262                 }
1263                 else // continue the radio group
1264                 {
1265                     pathRadio = m_pathLastRadio;
1266                     pathRadio.Replace(wxT("_"), wxT(""));
1267                     pathRadio.Prepend(wxT("<main>/"));
1268
1269                     strncpy(bufType, wxGTK_CONV(pathRadio), WXSIZEOF(bufType));
1270                     bufType[WXSIZEOF(bufType) - 1] = '\0';
1271                     item_type = bufType;
1272                 }
1273
1274                 // continue the existing radio group, if any
1275                 endOfRadioGroup = FALSE;
1276                 break;
1277
1278             default:
1279                 wxFAIL_MSG( _T("unexpected menu item kind") );
1280                 // fall through
1281
1282             case wxITEM_NORMAL:
1283                 item_type = "<Item>";
1284                 break;
1285         }
1286
1287         entry.item_type = (char *)item_type; // cast needed for GTK+
1288         entry.accelerator = (gchar*) NULL;
1289
1290 #if wxUSE_ACCEL
1291         // due to an apparent bug in GTK+, we have to use a static buffer here -
1292         // otherwise GTK+ 1.2.2 manages to override the memory we pass to it
1293         // somehow! (VZ)
1294         char s_accel[50]; // should be big enough, we check for overruns
1295         wxString tmp( GetHotKey(*mitem) );
1296         strncpy(s_accel, wxGTK_CONV( tmp ), WXSIZEOF(s_accel));
1297         s_accel[WXSIZEOF(s_accel) - 1] = '\0';
1298         entry.accelerator = s_accel;
1299 #else // !wxUSE_ACCEL
1300         entry.accelerator = (char*) NULL;
1301 #endif // wxUSE_ACCEL/!wxUSE_ACCEL
1302
1303         gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 );  /* what is 2 ? */
1304
1305         wxString path( mitem->GetFactoryPath() );
1306         menuItem = gtk_item_factory_get_widget( m_factory, wxGTK_CONV( path ) );
1307
1308         if (!menuItem)
1309             wxLogError( wxT("Wrong menu path: %s\n"), path.c_str() );
1310     }
1311
1312     if ( !mitem->IsSeparator() )
1313     {
1314         wxASSERT_MSG( menuItem, wxT("invalid menuitem") );
1315
1316         gtk_signal_connect( GTK_OBJECT(menuItem), "select",
1317                             GTK_SIGNAL_FUNC(gtk_menu_hilight_callback),
1318                             (gpointer)this );
1319
1320         gtk_signal_connect( GTK_OBJECT(menuItem), "deselect",
1321                             GTK_SIGNAL_FUNC(gtk_menu_nolight_callback),
1322                             (gpointer)this );
1323     }
1324
1325     mitem->SetMenuItem(menuItem);
1326
1327     if ( endOfRadioGroup )
1328     {
1329         m_pathLastRadio.clear();
1330     }
1331
1332     return TRUE;
1333 }
1334
1335 bool wxMenu::DoAppend(wxMenuItem *mitem)
1336 {
1337     return GtkAppend(mitem) && wxMenuBase::DoAppend(mitem);
1338 }
1339
1340 bool wxMenu::DoInsert(size_t pos, wxMenuItem *item)
1341 {
1342     if ( !wxMenuBase::DoInsert(pos, item) )
1343         return FALSE;
1344
1345     // GTK+ doesn't have a function to insert a menu using GtkItemFactory (as
1346     // of version 1.2.6), so we first append the item and then change its
1347     // index
1348     if ( !GtkAppend(item) )
1349         return FALSE;
1350
1351     if ( m_style & wxMENU_TEAROFF )
1352     {
1353         // change the position as the first item is the tear-off marker
1354         pos++;
1355     }
1356
1357     GtkMenuShell *menu_shell = GTK_MENU_SHELL(m_factory->widget);
1358     gpointer data = g_list_last(menu_shell->children)->data;
1359     menu_shell->children = g_list_remove(menu_shell->children, data);
1360     menu_shell->children = g_list_insert(menu_shell->children, data, pos);
1361
1362     return TRUE;
1363 }
1364
1365 wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
1366 {
1367     if ( !wxMenuBase::DoRemove(item) )
1368         return (wxMenuItem *)NULL;
1369
1370     // TODO: this code doesn't delete the item factory item and this seems
1371     //       impossible as of GTK 1.2.6.
1372     gtk_widget_destroy( item->GetMenuItem() );
1373
1374     return item;
1375 }
1376
1377 int wxMenu::FindMenuIdByMenuItem( GtkWidget *menuItem ) const
1378 {
1379     wxMenuItemList::Node    *node = m_items.GetFirst();
1380     while (node)
1381     {
1382         wxMenuItem *item = node->GetData();
1383         if (item->GetMenuItem() == menuItem)
1384            return item->GetId();
1385         node = node->GetNext();
1386     }
1387
1388     return wxNOT_FOUND;
1389 }
1390
1391 // ----------------------------------------------------------------------------
1392 // helpers
1393 // ----------------------------------------------------------------------------
1394
1395 #if GTK_CHECK_VERSION(1, 2, 0) && wxUSE_ACCEL
1396
1397 static wxString GetHotKey( const wxMenuItem& item )
1398 {
1399     wxString hotkey;
1400
1401     wxAcceleratorEntry *accel = item.GetAccel();
1402     if ( accel )
1403     {
1404         int flags = accel->GetFlags();
1405         if ( flags & wxACCEL_ALT )
1406             hotkey += wxT("<alt>");
1407         if ( flags & wxACCEL_CTRL )
1408             hotkey += wxT("<control>");
1409         if ( flags & wxACCEL_SHIFT )
1410             hotkey += wxT("<shift>");
1411
1412         int code = accel->GetKeyCode();
1413         switch ( code )
1414         {
1415             case WXK_F1:
1416             case WXK_F2:
1417             case WXK_F3:
1418             case WXK_F4:
1419             case WXK_F5:
1420             case WXK_F6:
1421             case WXK_F7:
1422             case WXK_F8:
1423             case WXK_F9:
1424             case WXK_F10:
1425             case WXK_F11:
1426             case WXK_F12:
1427                 hotkey << wxT('F') << code - WXK_F1 + 1;
1428                 break;
1429
1430                 // TODO: we should use gdk_keyval_name() (a.k.a.
1431                 //       XKeysymToString) here as well as hardcoding the keysym
1432                 //       names this might be not portable
1433             case WXK_NUMPAD_INSERT:
1434                 hotkey << wxT("KP_Insert" );
1435                 break;
1436             case WXK_NUMPAD_DELETE:
1437                 hotkey << wxT("KP_Delete" );
1438                 break;
1439             case WXK_INSERT:
1440                 hotkey << wxT("Insert" );
1441                 break;
1442             case WXK_DELETE:
1443                 hotkey << wxT("Delete" );
1444                 break;
1445             case WXK_UP:
1446                 hotkey << wxT("Up" );
1447                 break;
1448             case WXK_DOWN:
1449                 hotkey << wxT("Down" );
1450                 break;
1451             case WXK_PAGEUP:
1452                 hotkey << wxT("Prior" );
1453                 break;
1454             case WXK_PAGEDOWN:
1455                 hotkey << wxT("Next" );
1456                 break;
1457             case WXK_LEFT:
1458                 hotkey << wxT("Left" );
1459                 break;
1460             case WXK_RIGHT:
1461                 hotkey << wxT("Right" );
1462                 break;
1463             case WXK_HOME:
1464                 hotkey << wxT("Home" );
1465                 break;
1466             case WXK_END:
1467                 hotkey << wxT("End" );
1468                 break;
1469             case WXK_RETURN:
1470                 hotkey << wxT("Return" );
1471                 break;
1472
1473                 // if there are any other keys wxGetAccelFromString() may
1474                 // return, we should process them here
1475
1476             default:
1477                 if ( code < 127 )
1478                 {
1479                     wxString name = wxGTK_CONV_BACK( gdk_keyval_name((guint)code) );
1480                     if ( name )
1481                     {
1482                         hotkey << name;
1483                         break;
1484                     }
1485                 }
1486
1487                 wxFAIL_MSG( wxT("unknown keyboard accel") );
1488         }
1489
1490         delete accel;
1491     }
1492
1493     return hotkey;
1494 }
1495
1496 #endif // wxUSE_ACCEL
1497
1498
1499 //-----------------------------------------------------------------------------
1500 // substitute for missing GtkPixmapMenuItem
1501 //-----------------------------------------------------------------------------
1502
1503 #ifdef USE_MENU_BITMAPS
1504
1505 /*
1506  * Copyright (C) 1998, 1999, 2000 Free Software Foundation
1507  * All rights reserved.
1508  *
1509  * This file is part of the Gnome Library.
1510  *
1511  * The Gnome Library is free software; you can redistribute it and/or
1512  * modify it under the terms of the GNU Library General Public License as
1513  * published by the Free Software Foundation; either version 2 of the
1514  * License, or (at your option) any later version.
1515  *
1516  * The Gnome Library is distributed in the hope that it will be useful,
1517  * but WITHOUT ANY WARRANTY; without even the implied warranty of
1518  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
1519  * Library General Public License for more details.
1520  *
1521  * You should have received a copy of the GNU Library General Public
1522  * License along with the Gnome Library; see the file COPYING.LIB.  If not,
1523  * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
1524  * Boston, MA 02111-1307, USA.
1525  */
1526 /*
1527   @NOTATION@
1528  */
1529
1530 /* Author: Dietmar Maurer <dm@vlsivie.tuwien.ac.at> */
1531
1532 #include <gtk/gtkaccellabel.h>
1533 #include <gtk/gtksignal.h>
1534 #include <gtk/gtkmenuitem.h>
1535 #include <gtk/gtkmenu.h>
1536 #include <gtk/gtkcontainer.h>
1537
1538 extern "C"
1539 {
1540
1541 static void gtk_pixmap_menu_item_class_init    (GtkPixmapMenuItemClass *klass);
1542 static void gtk_pixmap_menu_item_init          (GtkPixmapMenuItem      *menu_item);
1543 static void gtk_pixmap_menu_item_draw          (GtkWidget              *widget,
1544                                                 GdkRectangle           *area);
1545 static gint gtk_pixmap_menu_item_expose        (GtkWidget              *widget,
1546                                                 GdkEventExpose         *event);
1547
1548 /* we must override the following functions */
1549
1550 static void gtk_pixmap_menu_item_map           (GtkWidget        *widget);
1551 static void gtk_pixmap_menu_item_size_allocate (GtkWidget        *widget,
1552                                                 GtkAllocation    *allocation);
1553 static void gtk_pixmap_menu_item_forall        (GtkContainer    *container,
1554                                                 gboolean         include_internals,
1555                                                 GtkCallback      callback,
1556                                                 gpointer         callback_data);
1557 static void gtk_pixmap_menu_item_size_request  (GtkWidget        *widget,
1558                                                 GtkRequisition   *requisition);
1559 static void gtk_pixmap_menu_item_remove        (GtkContainer *container,
1560                                                 GtkWidget    *child);
1561
1562 static void changed_have_pixmap_status         (GtkPixmapMenuItem *menu_item);
1563
1564 static GtkMenuItemClass *parent_class = NULL;
1565
1566 }
1567
1568 #define BORDER_SPACING  3
1569 #define PMAP_WIDTH 20
1570
1571 GtkType
1572 gtk_pixmap_menu_item_get_type (void)
1573 {
1574   static GtkType pixmap_menu_item_type = 0;
1575
1576   if (!pixmap_menu_item_type)
1577     {
1578       GtkTypeInfo pixmap_menu_item_info =
1579       {
1580         (char *)"GtkPixmapMenuItem",
1581         sizeof (GtkPixmapMenuItem),
1582         sizeof (GtkPixmapMenuItemClass),
1583         (GtkClassInitFunc) gtk_pixmap_menu_item_class_init,
1584         (GtkObjectInitFunc) gtk_pixmap_menu_item_init,
1585         /* reserved_1 */ NULL,
1586         /* reserved_2 */ NULL,
1587         (GtkClassInitFunc) NULL,
1588       };
1589
1590       pixmap_menu_item_type = gtk_type_unique (gtk_menu_item_get_type (),
1591                                                &pixmap_menu_item_info);
1592     }
1593
1594   return pixmap_menu_item_type;
1595 }
1596
1597 /**
1598  * gtk_pixmap_menu_item_new
1599  *
1600  * Creates a new pixmap menu item. Use gtk_pixmap_menu_item_set_pixmap()
1601  * to set the pixmap wich is displayed at the left side.
1602  *
1603  * Returns:
1604  * &GtkWidget pointer to new menu item
1605  **/
1606
1607 GtkWidget*
1608 gtk_pixmap_menu_item_new (void)
1609 {
1610   return GTK_WIDGET (gtk_type_new (gtk_pixmap_menu_item_get_type ()));
1611 }
1612
1613 static void
1614 gtk_pixmap_menu_item_class_init (GtkPixmapMenuItemClass *klass)
1615 {
1616   GtkObjectClass *object_class;
1617   GtkWidgetClass *widget_class;
1618   GtkMenuItemClass *menu_item_class;
1619   GtkContainerClass *container_class;
1620
1621   object_class = (GtkObjectClass*) klass;
1622   widget_class = (GtkWidgetClass*) klass;
1623   menu_item_class = (GtkMenuItemClass*) klass;
1624   container_class = (GtkContainerClass*) klass;
1625
1626   parent_class = (GtkMenuItemClass*) gtk_type_class (gtk_menu_item_get_type ());
1627
1628   widget_class->draw = gtk_pixmap_menu_item_draw;
1629   widget_class->expose_event = gtk_pixmap_menu_item_expose;
1630   widget_class->map = gtk_pixmap_menu_item_map;
1631   widget_class->size_allocate = gtk_pixmap_menu_item_size_allocate;
1632   widget_class->size_request = gtk_pixmap_menu_item_size_request;
1633
1634   container_class->forall = gtk_pixmap_menu_item_forall;
1635   container_class->remove = gtk_pixmap_menu_item_remove;
1636
1637   klass->orig_toggle_size = menu_item_class->toggle_size;
1638   klass->have_pixmap_count = 0;
1639 }
1640
1641 static void
1642 gtk_pixmap_menu_item_init (GtkPixmapMenuItem *menu_item)
1643 {
1644   GtkMenuItem *mi;
1645
1646   mi = GTK_MENU_ITEM (menu_item);
1647
1648   menu_item->pixmap = NULL;
1649 }
1650
1651 static void
1652 gtk_pixmap_menu_item_draw (GtkWidget    *widget,
1653                            GdkRectangle *area)
1654 {
1655   g_return_if_fail (widget != NULL);
1656   g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget));
1657   g_return_if_fail (area != NULL);
1658
1659   if (GTK_WIDGET_CLASS (parent_class)->draw)
1660     (* GTK_WIDGET_CLASS (parent_class)->draw) (widget, area);
1661
1662   if (GTK_WIDGET_DRAWABLE (widget) &&
1663       GTK_PIXMAP_MENU_ITEM(widget)->pixmap) {
1664     gtk_widget_draw(GTK_WIDGET(GTK_PIXMAP_MENU_ITEM(widget)->pixmap),NULL);
1665   }
1666 }
1667
1668 static gint
1669 gtk_pixmap_menu_item_expose (GtkWidget      *widget,
1670                              GdkEventExpose *event)
1671 {
1672   g_return_val_if_fail (widget != NULL, FALSE);
1673   g_return_val_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget), FALSE);
1674   g_return_val_if_fail (event != NULL, FALSE);
1675
1676   if (GTK_WIDGET_CLASS (parent_class)->expose_event)
1677     (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
1678
1679   if (GTK_WIDGET_DRAWABLE (widget) &&
1680       GTK_PIXMAP_MENU_ITEM(widget)->pixmap) {
1681     gtk_widget_draw(GTK_WIDGET(GTK_PIXMAP_MENU_ITEM(widget)->pixmap),NULL);
1682   }
1683
1684   return FALSE;
1685 }
1686
1687 /**
1688  * gtk_pixmap_menu_item_set_pixmap
1689  * @menu_item: Pointer to the pixmap menu item
1690  * @pixmap: Pointer to a pixmap widget
1691  *
1692  * Set the pixmap of the menu item.
1693  *
1694  **/
1695
1696 void
1697 gtk_pixmap_menu_item_set_pixmap (GtkPixmapMenuItem *menu_item,
1698                                  GtkWidget         *pixmap)
1699 {
1700   g_return_if_fail (menu_item != NULL);
1701   g_return_if_fail (pixmap != NULL);
1702   g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (menu_item));
1703   g_return_if_fail (GTK_IS_WIDGET (pixmap));
1704   g_return_if_fail (menu_item->pixmap == NULL);
1705
1706   gtk_widget_set_parent (pixmap, GTK_WIDGET (menu_item));
1707   menu_item->pixmap = pixmap;
1708
1709   if (GTK_WIDGET_REALIZED (pixmap->parent) &&
1710       !GTK_WIDGET_REALIZED (pixmap))
1711     gtk_widget_realize (pixmap);
1712
1713   if (GTK_WIDGET_VISIBLE (pixmap->parent)) {
1714     if (GTK_WIDGET_MAPPED (pixmap->parent) &&
1715         GTK_WIDGET_VISIBLE(pixmap) &&
1716         !GTK_WIDGET_MAPPED (pixmap))
1717       gtk_widget_map (pixmap);
1718   }
1719
1720   changed_have_pixmap_status(menu_item);
1721
1722   if (GTK_WIDGET_VISIBLE (pixmap) && GTK_WIDGET_VISIBLE (menu_item))
1723     gtk_widget_queue_resize (pixmap);
1724 }
1725
1726 static void
1727 gtk_pixmap_menu_item_map (GtkWidget *widget)
1728 {
1729   GtkPixmapMenuItem *menu_item;
1730
1731   g_return_if_fail (widget != NULL);
1732   g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget));
1733
1734   menu_item = GTK_PIXMAP_MENU_ITEM(widget);
1735
1736   GTK_WIDGET_CLASS(parent_class)->map(widget);
1737
1738   if (menu_item->pixmap &&
1739       GTK_WIDGET_VISIBLE (menu_item->pixmap) &&
1740       !GTK_WIDGET_MAPPED (menu_item->pixmap))
1741     gtk_widget_map (menu_item->pixmap);
1742 }
1743
1744 static void
1745 gtk_pixmap_menu_item_size_allocate (GtkWidget        *widget,
1746                                     GtkAllocation    *allocation)
1747 {
1748   GtkPixmapMenuItem *pmenu_item;
1749
1750   pmenu_item = GTK_PIXMAP_MENU_ITEM(widget);
1751
1752   if (pmenu_item->pixmap && GTK_WIDGET_VISIBLE(pmenu_item))
1753     {
1754       GtkAllocation child_allocation;
1755       int border_width;
1756
1757       border_width = GTK_CONTAINER (widget)->border_width;
1758
1759       child_allocation.width = pmenu_item->pixmap->requisition.width;
1760       child_allocation.height = pmenu_item->pixmap->requisition.height;
1761       child_allocation.x = border_width + BORDER_SPACING;
1762       child_allocation.y = (border_width + BORDER_SPACING
1763                             + (((allocation->height - child_allocation.height) - child_allocation.x)
1764                                / 2)); /* center pixmaps vertically */
1765       gtk_widget_size_allocate (pmenu_item->pixmap, &child_allocation);
1766     }
1767
1768   if (GTK_WIDGET_CLASS (parent_class)->size_allocate)
1769     GTK_WIDGET_CLASS(parent_class)->size_allocate (widget, allocation);
1770 }
1771
1772 static void
1773 gtk_pixmap_menu_item_forall (GtkContainer    *container,
1774                              gboolean         include_internals,
1775                              GtkCallback      callback,
1776                              gpointer         callback_data)
1777 {
1778   GtkPixmapMenuItem *menu_item;
1779
1780   g_return_if_fail (container != NULL);
1781   g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (container));
1782   g_return_if_fail (callback != NULL);
1783
1784   menu_item = GTK_PIXMAP_MENU_ITEM (container);
1785
1786   if (menu_item->pixmap)
1787     (* callback) (menu_item->pixmap, callback_data);
1788
1789   GTK_CONTAINER_CLASS(parent_class)->forall(container,include_internals,
1790                                             callback,callback_data);
1791 }
1792
1793 static void
1794 gtk_pixmap_menu_item_size_request (GtkWidget      *widget,
1795                                    GtkRequisition *requisition)
1796 {
1797   GtkPixmapMenuItem *menu_item;
1798   GtkRequisition req = {0, 0};
1799
1800   g_return_if_fail (widget != NULL);
1801   g_return_if_fail (GTK_IS_MENU_ITEM (widget));
1802   g_return_if_fail (requisition != NULL);
1803
1804   GTK_WIDGET_CLASS(parent_class)->size_request(widget,requisition);
1805
1806   menu_item = GTK_PIXMAP_MENU_ITEM (widget);
1807
1808   if (menu_item->pixmap)
1809     gtk_widget_size_request(menu_item->pixmap, &req);
1810
1811   requisition->height = MAX(req.height + GTK_CONTAINER(widget)->border_width + BORDER_SPACING, (unsigned int) requisition->height);
1812   requisition->width += (req.width + GTK_CONTAINER(widget)->border_width + BORDER_SPACING);
1813 }
1814
1815 static void
1816 gtk_pixmap_menu_item_remove (GtkContainer *container,
1817                              GtkWidget    *child)
1818 {
1819   GtkBin *bin;
1820   gboolean widget_was_visible;
1821
1822   g_return_if_fail (container != NULL);
1823   g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (container));
1824   g_return_if_fail (child != NULL);
1825   g_return_if_fail (GTK_IS_WIDGET (child));
1826
1827   bin = GTK_BIN (container);
1828   g_return_if_fail ((bin->child == child ||
1829                      (GTK_PIXMAP_MENU_ITEM(container)->pixmap == child)));
1830
1831   widget_was_visible = GTK_WIDGET_VISIBLE (child);
1832
1833   gtk_widget_unparent (child);
1834   if (bin->child == child)
1835     bin->child = NULL;
1836   else {
1837     GTK_PIXMAP_MENU_ITEM(container)->pixmap = NULL;
1838     changed_have_pixmap_status(GTK_PIXMAP_MENU_ITEM(container));
1839   }
1840
1841   if (widget_was_visible)
1842     gtk_widget_queue_resize (GTK_WIDGET (container));
1843 }
1844
1845
1846 /* important to only call this if there was actually a _change_ in pixmap == NULL */
1847 static void
1848 changed_have_pixmap_status (GtkPixmapMenuItem *menu_item)
1849 {
1850   if (menu_item->pixmap != NULL) {
1851     GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count += 1;
1852
1853     if (GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count == 1) {
1854       /* Install pixmap toggle size */
1855       GTK_MENU_ITEM_GET_CLASS(menu_item)->toggle_size = MAX(GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->orig_toggle_size, PMAP_WIDTH);
1856     }
1857   } else {
1858     GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count -= 1;
1859
1860     if (GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count == 0) {
1861       /* Install normal toggle size */
1862       GTK_MENU_ITEM_GET_CLASS(menu_item)->toggle_size = GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->orig_toggle_size;
1863     }
1864   }
1865
1866   /* Note that we actually need to do this for _all_ GtkPixmapMenuItem
1867      whenever the klass->toggle_size changes; but by doing it anytime
1868      this function is called, we get the same effect, just because of
1869      how the preferences option to show pixmaps works. Bogus, broken.
1870   */
1871   if (GTK_WIDGET_VISIBLE(GTK_WIDGET(menu_item)))
1872     gtk_widget_queue_resize(GTK_WIDGET(menu_item));
1873 }
1874
1875 #endif // USE_MENU_BITMAPS
1876