src/gtk1/menu.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        menu.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #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     for ( pc = title; *pc != wxT('\0'); pc++ )
 117     {
 118         if (*pc == wxT('&'))
 119         {
 120 #if GTK_CHECK_VERSION(1, 2, 0)
 121             str << wxT('_');
 122 #endif
 123         }
 124 #if GTK_CHECK_VERSION(2, 0, 0)
 125         else if (*pc == wxT('/'))
 126         {
 127             str << wxT("\\/");
 128         }
 129         else if (*pc == wxT('\\'))
 130         {
 131             str << wxT("\\\\");
 132         }
 133 #elif GTK_CHECK_VERSION(1, 2, 0)
 134         else if (*pc == wxT('/'))
 135         {
 136             str << wxT('\\');
 137         }
 138 #endif
 139         else
 140         {
 141 #if __WXGTK12__
 142             if ( *pc == wxT('_') )
 143             {
 144                 // underscores must be doubled to prevent them from being
 145                 // interpreted as accelerator character prefix by GTK
 146                 str << *pc;
 147             }
 148 #endif // GTK+ 1.2
 149
 150             str << *pc;
 151         }
 152     }
 153     return str;
 154 }
 155
 156 //-----------------------------------------------------------------------------
 157 // wxMenuBar
 158 //-----------------------------------------------------------------------------
 159
 160 IMPLEMENT_DYNAMIC_CLASS(wxMenuBar,wxWindow)
 161
 162 wxMenuBar::wxMenuBar( long style )
 163 {
 164     /* the parent window is known after wxFrame::SetMenu() */
 165     m_needParent = FALSE;
 166     m_style = style;
 167     m_invokingWindow = (wxWindow*) NULL;
 168
 169     if (!PreCreation( (wxWindow*) NULL, wxDefaultPosition, wxDefaultSize ) ||
 170         !CreateBase( (wxWindow*) NULL, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("menubar") ))
 171     {
 172         wxFAIL_MSG( wxT("wxMenuBar creation failed") );
 173         return;
 174     }
 175
 176     m_menus.DeleteContents( TRUE );
 177
 178     /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
 179 #if GTK_CHECK_VERSION(1, 2, 1)
 180     m_accel = gtk_accel_group_new();
 181     m_factory = gtk_item_factory_new( GTK_TYPE_MENU_BAR, "<main>", m_accel );
 182     m_menubar = gtk_item_factory_get_widget( m_factory, "<main>" );
 183 #else
 184     m_menubar = gtk_menu_bar_new();
 185 #endif
 186
 187     if (style & wxMB_DOCKABLE)
 188     {
 189         m_widget = gtk_handle_box_new();
 190         gtk_container_add( GTK_CONTAINER(m_widget), GTK_WIDGET(m_menubar) );
 191         gtk_widget_show( GTK_WIDGET(m_menubar) );
 192     }
 193     else
 194     {
 195         m_widget = GTK_WIDGET(m_menubar);
 196     }
 197
 198     PostCreation();
 199
 200     ApplyWidgetStyle();
 201 }
 202
 203 wxMenuBar::wxMenuBar()
 204 {
 205     /* the parent window is known after wxFrame::SetMenu() */
 206     m_needParent = FALSE;
 207     m_style = 0;
 208     m_invokingWindow = (wxWindow*) NULL;
 209
 210     if (!PreCreation( (wxWindow*) NULL, wxDefaultPosition, wxDefaultSize ) ||
 211         !CreateBase( (wxWindow*) NULL, -1, wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator, wxT("menubar") ))
 212     {
 213         wxFAIL_MSG( wxT("wxMenuBar creation failed") );
 214         return;
 215     }
 216
 217     m_menus.DeleteContents( TRUE );
 218
 219     /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
 220 #if GTK_CHECK_VERSION(1, 2, 1)
 221     m_accel = gtk_accel_group_new();
 222     m_factory = gtk_item_factory_new( GTK_TYPE_MENU_BAR, "<main>", m_accel );
 223     m_menubar = gtk_item_factory_get_widget( m_factory, "<main>" );
 224 #else
 225     m_menubar = gtk_menu_bar_new();
 226 #endif
 227
 228     m_widget = GTK_WIDGET(m_menubar);
 229
 230     PostCreation();
 231
 232     ApplyWidgetStyle();
 233 }
 234
 235 wxMenuBar::~wxMenuBar()
 236 {
 237 //    gtk_object_unref( GTK_OBJECT(m_factory) );  why not ?
 238 }
 239
 240 static void wxMenubarUnsetInvokingWindow( wxMenu *menu, wxWindow *win )
 241 {
 242     menu->SetInvokingWindow( (wxWindow*) NULL );
 243
 244     wxWindow *top_frame = win;
 245     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 246         top_frame = top_frame->GetParent();
 247
 248     /* support for native hot keys */
 249     gtk_accel_group_detach( menu->m_accel, ACCEL_OBJ_CAST(top_frame->m_widget) );
 250
 251     wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
 252     while (node)
 253     {
 254         wxMenuItem *menuitem = node->GetData();
 255         if (menuitem->IsSubMenu())
 256             wxMenubarUnsetInvokingWindow( menuitem->GetSubMenu(), win );
 257         node = node->GetNext();
 258     }
 259 }
 260
 261 static void wxMenubarSetInvokingWindow( wxMenu *menu, wxWindow *win )
 262 {
 263     menu->SetInvokingWindow( win );
 264
 265 #if GTK_CHECK_VERSION(1, 2, 1)
 266     wxWindow *top_frame = win;
 267     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 268         top_frame = top_frame->GetParent();
 269
 270     /* support for native hot keys  */
 271     ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget);
 272     if ( !g_slist_find( ACCEL_OBJECTS(menu->m_accel), obj ) )
 273         gtk_accel_group_attach( menu->m_accel, obj );
 274 #endif // GTK+ 1.2.1+
 275
 276     wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
 277     while (node)
 278     {
 279         wxMenuItem *menuitem = node->GetData();
 280         if (menuitem->IsSubMenu())
 281             wxMenubarSetInvokingWindow( menuitem->GetSubMenu(), win );
 282         node = node->GetNext();
 283     }
 284 }
 285
 286 void wxMenuBar::SetInvokingWindow( wxWindow *win )
 287 {
 288     m_invokingWindow = win;
 289 #if GTK_CHECK_VERSION(1, 2, 1)
 290     wxWindow *top_frame = win;
 291     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 292         top_frame = top_frame->GetParent();
 293
 294     /* support for native key accelerators indicated by underscroes */
 295     ACCEL_OBJECT *obj = ACCEL_OBJ_CAST(top_frame->m_widget);
 296     if ( !g_slist_find( ACCEL_OBJECTS(m_accel), obj ) )
 297         gtk_accel_group_attach( m_accel, obj );
 298 #endif // GTK+ 1.2.1+
 299
 300     wxMenuList::Node *node = m_menus.GetFirst();
 301     while (node)
 302     {
 303         wxMenu *menu = node->GetData();
 304         wxMenubarSetInvokingWindow( menu, win );
 305         node = node->GetNext();
 306     }
 307 }
 308
 309 void wxMenuBar::UnsetInvokingWindow( wxWindow *win )
 310 {
 311     m_invokingWindow = (wxWindow*) NULL;
 312 #if GTK_CHECK_VERSION(1, 2, 1)
 313     wxWindow *top_frame = win;
 314     while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
 315         top_frame = top_frame->GetParent();
 316
 317     /* support for native key accelerators indicated by underscroes */
 318     gtk_accel_group_detach( m_accel, ACCEL_OBJ_CAST(top_frame->m_widget) );
 319 #endif // GTK+ 1.2.1+
 320
 321     wxMenuList::Node *node = m_menus.GetFirst();
 322     while (node)
 323     {
 324         wxMenu *menu = node->GetData();
 325         wxMenubarUnsetInvokingWindow( menu, win );
 326         node = node->GetNext();
 327     }
 328 }
 329
 330 bool wxMenuBar::Append( wxMenu *menu, const wxString &title )
 331 {
 332     if ( !wxMenuBarBase::Append( menu, title ) )
 333         return FALSE;
 334
 335     return GtkAppend(menu, title);
 336 }
 337
 338 bool wxMenuBar::GtkAppend(wxMenu *menu, const wxString& title)
 339 {
 340     wxString str( wxReplaceUnderscore( title ) );
 341
 342     /* this doesn't have much effect right now */
 343     menu->SetTitle( str );
 344
 345     /* GTK 1.2.0 doesn't have gtk_item_factory_get_item(), but GTK 1.2.1 has. */
 346 #if GTK_CHECK_VERSION(1, 2, 1)
 347
 348     wxString buf;
 349     buf << wxT('/') << str.c_str();
 350
 351     /* local buffer in multibyte form */
 352     char cbuf[400];
 353     strcpy(cbuf, wxGTK_CONV(buf) );
 354
 355     GtkItemFactoryEntry entry;
 356     entry.path = (gchar *)cbuf;  // const_cast
 357     entry.accelerator = (gchar*) NULL;
 358     entry.callback = (GtkItemFactoryCallback) NULL;
 359     entry.callback_action = 0;
 360     entry.item_type = (char *)"<Branch>";
 361
 362     gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 );  /* what is 2 ? */
 363     /* in order to get the pointer to the item we need the item text _without_ underscores */
 364     wxString tmp = wxT("<main>/");
 365     const wxChar *pc;
 366     for ( pc = str; *pc != wxT('\0'); pc++ )
 367     {
 368        // contrary to the common sense, we must throw out _all_ underscores,
 369        // (i.e. "Hello__World" => "HelloWorld" and not "Hello_World" as we
 370        // might naively think). IMHO it's a bug in GTK+ (VZ)
 371        while (*pc == wxT('_'))
 372            pc++;
 373        tmp << *pc;
 374     }
 375     menu->m_owner = gtk_item_factory_get_item( m_factory, wxGTK_CONV( tmp ) );
 376     gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
 377 #else
 378
 379     menu->m_owner = gtk_menu_item_new_with_label( wxGTK_CONV( str ) );
 380     gtk_widget_show( menu->m_owner );
 381     gtk_menu_item_set_submenu( GTK_MENU_ITEM(menu->m_owner), menu->m_menu );
 382
 383     gtk_menu_bar_append( GTK_MENU_BAR(m_menubar), menu->m_owner );
 384
 385 #endif
 386
 387     // m_invokingWindow is set after wxFrame::SetMenuBar(). This call enables
 388     // adding menu later on.
 389     if (m_invokingWindow)
 390         wxMenubarSetInvokingWindow( menu, m_invokingWindow );
 391
 392     return TRUE;
 393 }
 394
 395 bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
 396 {
 397     if ( !wxMenuBarBase::Insert(pos, menu, title) )
 398         return FALSE;
 399
 400     // GTK+ doesn't have a function to insert a menu using GtkItemFactory (as
 401     // of version 1.2.6), so we first append the item and then change its
 402     // index
 403     if ( !GtkAppend(menu, title) )
 404         return FALSE;
 405
 406     if (pos+1 >= m_menus.GetCount())
 407         return TRUE;
 408
 409     GtkMenuShell *menu_shell = GTK_MENU_SHELL(m_factory->widget);
 410     gpointer data = g_list_last(menu_shell->children)->data;
 411     menu_shell->children = g_list_remove(menu_shell->children, data);
 412     menu_shell->children = g_list_insert(menu_shell->children, data, pos);
 413
 414     return TRUE;
 415 }
 416
 417 wxMenu *wxMenuBar::Replace(size_t pos, wxMenu *menu, const wxString& title)
 418 {
 419     // remove the old item and insert a new one
 420     wxMenu *menuOld = Remove(pos);
 421     if ( menuOld && !Insert(pos, menu, title) )
 422     {
 423         return (wxMenu*) NULL;
 424     }
 425
 426     // either Insert() succeeded or Remove() failed and menuOld is NULL
 427     return menuOld;
 428 }
 429
 430 wxMenu *wxMenuBar::Remove(size_t pos)
 431 {
 432     wxMenu *menu = wxMenuBarBase::Remove(pos);
 433     if ( !menu )
 434         return (wxMenu*) NULL;
 435
 436 /*
 437     GtkMenuShell *menu_shell = GTK_MENU_SHELL(m_factory->widget);
 438
 439     printf( "factory entries before %d\n", (int)g_slist_length(m_factory->items) );
 440     printf( "menu shell entries before %d\n", (int)g_list_length( menu_shell->children ) );
 441 */
 442
 443     // unparent calls unref() and that would delete the widget so we raise
 444     // the ref count to 2 artificially before invoking unparent.
 445     gtk_widget_ref( menu->m_menu );
 446     gtk_widget_unparent( menu->m_menu );
 447
 448     gtk_widget_destroy( menu->m_owner );
 449
 450 /*
 451     printf( "factory entries after %d\n", (int)g_slist_length(m_factory->items) );
 452     printf( "menu shell entries after %d\n", (int)g_list_length( menu_shell->children ) );
 453 */
 454
 455     return menu;
 456 }
 457
 458 static int FindMenuItemRecursive( const wxMenu *menu, const wxString &menuString, const wxString &itemString )
 459 {
 460     if (wxMenuItem::GetLabelFromText(menu->GetTitle()) == wxMenuItem::GetLabelFromText(menuString))
 461     {
 462         int res = menu->FindItem( itemString );
 463         if (res != wxNOT_FOUND)
 464             return res;
 465     }
 466
 467     wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
 468     while (node)
 469     {
 470         wxMenuItem *item = node->GetData();
 471         if (item->IsSubMenu())
 472             return FindMenuItemRecursive(item->GetSubMenu(), menuString, itemString);
 473
 474         node = node->GetNext();
 475     }
 476
 477     return wxNOT_FOUND;
 478 }
 479
 480 int wxMenuBar::FindMenuItem( const wxString &menuString, const wxString &itemString ) const
 481 {
 482     wxMenuList::Node *node = m_menus.GetFirst();
 483     while (node)
 484     {
 485         wxMenu *menu = node->GetData();
 486         int res = FindMenuItemRecursive( menu, menuString, itemString);
 487         if (res != -1)
 488             return res;
 489         node = node->GetNext();
 490     }
 491
 492     return wxNOT_FOUND;
 493 }
 494
 495 // Find a wxMenuItem using its id. Recurses down into sub-menus
 496 static wxMenuItem* FindMenuItemByIdRecursive(const wxMenu* menu, int id)
 497 {
 498     wxMenuItem* result = menu->FindChildItem(id);
 499
 500     wxMenuItemList::Node *node = menu->GetMenuItems().GetFirst();
 501     while ( node && result == NULL )
 502     {
 503         wxMenuItem *item = node->GetData();
 504         if (item->IsSubMenu())
 505         {
 506             result = FindMenuItemByIdRecursive( item->GetSubMenu(), id );
 507         }
 508         node = node->GetNext();
 509     }
 510
 511     return result;
 512 }
 513
 514 wxMenuItem* wxMenuBar::FindItem( int id, wxMenu **menuForItem ) const
 515 {
 516     wxMenuItem* result = 0;
 517     wxMenuList::Node *node = m_menus.GetFirst();
 518     while (node && result == 0)
 519     {
 520         wxMenu *menu = node->GetData();
 521         result = FindMenuItemByIdRecursive( menu, id );
 522         node = node->GetNext();
 523     }
 524
 525     if ( menuForItem )
 526     {
 527         *menuForItem = result ? result->GetMenu() : (wxMenu *)NULL;
 528     }
 529
 530     return result;
 531 }
 532
 533 void wxMenuBar::EnableTop( size_t pos, bool flag )
 534 {
 535     wxMenuList::Node *node = m_menus.Item( pos );
 536
 537     wxCHECK_RET( node, wxT("menu not found") );
 538
 539     wxMenu* menu = node->GetData();
 540
 541     if (menu->m_owner)
 542         gtk_widget_set_sensitive( menu->m_owner, flag );
 543 }
 544
 545 wxString wxMenuBar::GetLabelTop( size_t pos ) const
 546 {
 547     wxMenuList::Node *node = m_menus.Item( pos );
 548
 549     wxCHECK_MSG( node, wxT("invalid"), wxT("menu not found") );
 550
 551     wxMenu* menu = node->GetData();
 552
 553     wxString label;
 554     wxString text( menu->GetTitle() );
 555     for ( const wxChar *pc = text.c_str(); *pc; pc++ )
 556     {
 557         if ( *pc == wxT('_') || *pc == wxT('&') )
 558         {
 559             // '_' is the escape character for GTK+ and '&' is the one for
 560             // wxWindows - skip both of them
 561             continue;
 562         }
 563
 564         label += *pc;
 565     }
 566
 567     return label;
 568 }
 569
 570 void wxMenuBar::SetLabelTop( size_t pos, const wxString& label )
 571 {
 572     wxMenuList::Node *node = m_menus.Item( pos );
 573
 574     wxCHECK_RET( node, wxT("menu not found") );
 575
 576     wxMenu* menu = node->GetData();
 577
 578     wxString str( wxReplaceUnderscore( label ) );
 579
 580     menu->SetTitle( str );
 581
 582     if (menu->m_owner)
 583     {
 584         GtkLabel *label = GTK_LABEL( GTK_BIN(menu->m_owner)->child );
 585
 586         /* set new text */
 587         gtk_label_set( label, wxGTK_CONV( str ) );
 588
 589         /* reparse key accel */
 590         (void)gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV( str ) );
 591         gtk_accel_label_refetch( GTK_ACCEL_LABEL(label) );
 592     }
 593
 594 }
 595
 596 //-----------------------------------------------------------------------------
 597 // "activate"
 598 //-----------------------------------------------------------------------------
 599
 600 static void gtk_menu_clicked_callback( GtkWidget *widget, wxMenu *menu )
 601 {
 602     if (g_isIdle)
 603         wxapp_install_idle_handler();
 604
 605     int id = menu->FindMenuIdByMenuItem(widget);
 606
 607     /* should find it for normal (not popup) menu */
 608     wxASSERT_MSG( (id != -1) || (menu->GetInvokingWindow() != NULL),
 609                   _T("menu item not found in gtk_menu_clicked_callback") );
 610
 611     if (!menu->IsEnabled(id))
 612         return;
 613
 614     wxMenuItem* item = menu->FindChildItem( id );
 615     wxCHECK_RET( item, wxT("error in menu item callback") );
 616
 617     if (item->IsCheckable())
 618     {
 619         bool isReallyChecked = item->IsChecked(),
 620              isInternallyChecked = item->wxMenuItemBase::IsChecked();
 621
 622         // ensure that the internal state is always consistent with what is
 623         // shown on the screen
 624         item->wxMenuItemBase::Check(isReallyChecked);
 625
 626         // we must not report the events for the radio button going up nor the
 627         // events resulting from the calls to wxMenuItem::Check()
 628         if ( (item->GetKind() == wxITEM_RADIO && !isReallyChecked) ||
 629              (isInternallyChecked == isReallyChecked) )
 630         {
 631             return;
 632         }
 633
 634         // the user pressed on the menu item: report the event below
 635     }
 636
 637     menu->SendEvent(id, item->IsCheckable() ? item->IsChecked() : -1);
 638 }
 639
 640 //-----------------------------------------------------------------------------
 641 // "select"
 642 //-----------------------------------------------------------------------------
 643
 644 static void gtk_menu_hilight_callback( GtkWidget *widget, wxMenu *menu )
 645 {
 646     if (g_isIdle) wxapp_install_idle_handler();
 647
 648     int id = menu->FindMenuIdByMenuItem(widget);
 649
 650     wxASSERT( id != -1 ); // should find it!
 651
 652     if (!menu->IsEnabled(id))
 653         return;
 654
 655     wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, id );
 656     event.SetEventObject( menu );
 657
 658     if (menu->GetEventHandler()->ProcessEvent(event))
 659         return;
 660
 661     wxWindow *win = menu->GetInvokingWindow();
 662     if (win) win->GetEventHandler()->ProcessEvent( event );
 663 }
 664
 665 //-----------------------------------------------------------------------------
 666 // "deselect"
 667 //-----------------------------------------------------------------------------
 668
 669 static void gtk_menu_nolight_callback( GtkWidget *widget, wxMenu *menu )
 670 {
 671     if (g_isIdle) wxapp_install_idle_handler();
 672
 673     int id = menu->FindMenuIdByMenuItem(widget);
 674
 675     wxASSERT( id != -1 ); // should find it!
 676
 677     if (!menu->IsEnabled(id))
 678         return;
 679
 680     wxMenuEvent event( wxEVT_MENU_HIGHLIGHT, -1 );
 681     event.SetEventObject( menu );
 682
 683     if (menu->GetEventHandler()->ProcessEvent(event))
 684         return;
 685
 686     wxWindow *win = menu->GetInvokingWindow();
 687     if (win)
 688         win->GetEventHandler()->ProcessEvent( event );
 689 }
 690
 691 //-----------------------------------------------------------------------------
 692 // wxMenuItem
 693 //-----------------------------------------------------------------------------
 694
 695 IMPLEMENT_DYNAMIC_CLASS(wxMenuItem, wxObject)
 696
 697 wxMenuItem *wxMenuItemBase::New(wxMenu *parentMenu,
 698                                 int id,
 699                                 const wxString& name,
 700                                 const wxString& help,
 701                                 wxItemKind kind,
 702                                 wxMenu *subMenu)
 703 {
 704     return new wxMenuItem(parentMenu, id, name, help, kind, subMenu);
 705 }
 706
 707 wxMenuItem::wxMenuItem(wxMenu *parentMenu,
 708                        int id,
 709                        const wxString& text,
 710                        const wxString& help,
 711                        wxItemKind kind,
 712                        wxMenu *subMenu)
 713           : wxMenuItemBase(parentMenu, id, text, help, kind, subMenu)
 714 {
 715     Init(text);
 716 }
 717
 718 wxMenuItem::wxMenuItem(wxMenu *parentMenu,
 719                        int id,
 720                        const wxString& text,
 721                        const wxString& help,
 722                        bool isCheckable,
 723                        wxMenu *subMenu)
 724           : wxMenuItemBase(parentMenu, id, text, help,
 725                            isCheckable ? wxITEM_CHECK : wxITEM_NORMAL, subMenu)
 726 {
 727     Init(text);
 728 }
 729
 730 void wxMenuItem::Init(const wxString& text)
 731 {
 732     m_labelWidget = (GtkWidget *) NULL;
 733     m_menuItem = (GtkWidget *) NULL;
 734
 735     DoSetText(text);
 736 }
 737
 738 wxMenuItem::~wxMenuItem()
 739 {
 740    // don't delete menu items, the menus take care of that
 741 }
 742
 743 // return the menu item text without any menu accels
 744 /* static */
 745 wxString wxMenuItemBase::GetLabelFromText(const wxString& text)
 746 {
 747     wxString label;
 748
 749     for ( const wxChar *pc = text.c_str(); *pc; pc++ )
 750     {
 751         if ( *pc == wxT('_')  )
 752         {
 753             // wxGTK escapes "xxx_xxx" to "xxx__xxx"
 754             pc++;
 755             label += *pc;
 756             continue;
 757         }
 758
 759         if ( *pc == wxT('&') )
 760         {
 761             // wxMSW escapes &
 762             continue;
 763         }
 764
 765         label += *pc;
 766     }
 767
 768     return label;
 769 }
 770
 771 void wxMenuItem::SetText( const wxString& str )
 772 {
 773     // Some optimization to avoid flicker
 774     wxString oldLabel = m_text;
 775     oldLabel = wxStripMenuCodes(oldLabel.BeforeFirst('\t'));
 776     oldLabel.Replace(wxT("_"), wxT(""));
 777     wxString label1 = wxStripMenuCodes(str.BeforeFirst('\t'));
 778     if (oldLabel == label1)
 779         return;
 780
 781     DoSetText(str);
 782
 783     if (m_menuItem)
 784     {
 785         GtkLabel *label;
 786         if (m_labelWidget)
 787           label = (GtkLabel*) m_labelWidget;
 788         else
 789           label = GTK_LABEL( GTK_BIN(m_menuItem)->child );
 790
 791         /* set new text */
 792         gtk_label_set( label, wxGTK_CONV( m_text ) );
 793
 794         /* reparse key accel */
 795         (void)gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV( m_text ) );
 796         gtk_accel_label_refetch( GTK_ACCEL_LABEL(label) );
 797     }
 798 }
 799
 800 // it's valid for this function to be called even if m_menuItem == NULL
 801 void wxMenuItem::DoSetText( const wxString& str )
 802 {
 803     /* '\t' is the deliminator indicating a hot key */
 804     m_text.Empty();
 805     const wxChar *pc = str;
 806     for (; (*pc != wxT('\0')) && (*pc != wxT('\t')); pc++ )
 807     {
 808 #if GTK_CHECK_VERSION(1, 2, 0)
 809         if (*pc == wxT('&'))
 810         {
 811             m_text << wxT('_');
 812         }
 813         else if ( *pc == wxT('_') )    // escape underscores
 814         {
 815             m_text << wxT("__");
 816         }
 817 #else // GTK+ < 1.2.0
 818         if (*pc == wxT('&'))
 819         {
 820         }
 821 #endif
 822 #if GTK_CHECK_VERSION(2, 0, 0)
 823         else if (*pc == wxT('/'))      // we have to escape slashes
 824         {
 825             m_text << wxT("\\/");
 826         }
 827         else if (*pc == wxT('\\'))     // we have to double backslashes
 828         {
 829             m_text << wxT("\\\\");
 830         }
 831 #elif GTK_CHECK_VERSION(1, 2, 0)
 832         else if (*pc == wxT('/'))      /* we have to filter out slashes ... */
 833         {
 834             m_text << wxT('\\');  /* ... and replace them with back slashes */
 835         }
 836 #endif
 837         else
 838             m_text << *pc;
 839     }
 840
 841     m_hotKey = wxT("");
 842
 843     if(*pc == wxT('\t'))
 844     {
 845        pc++;
 846        m_hotKey = pc;
 847     }
 848 }
 849
 850 #if wxUSE_ACCEL
 851
 852 wxAcceleratorEntry *wxMenuItem::GetAccel() const
 853 {
 854     if ( !GetHotKey() )
 855     {
 856         // nothing
 857         return (wxAcceleratorEntry *)NULL;
 858     }
 859
 860     // as wxGetAccelFromString() looks for TAB, insert a dummy one here
 861     wxString label;
 862     label << wxT('\t') << GetHotKey();
 863
 864     return wxGetAccelFromString(label);
 865 }
 866
 867 #endif // wxUSE_ACCEL
 868
 869 void wxMenuItem::Check( bool check )
 870 {
 871     wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
 872
 873     if (check == m_isChecked)
 874         return;
 875
 876     wxMenuItemBase::Check( check );
 877
 878     switch ( GetKind() )
 879     {
 880         case wxITEM_CHECK:
 881         case wxITEM_RADIO:
 882             gtk_check_menu_item_set_state( (GtkCheckMenuItem*)m_menuItem, (gint)check );
 883             break;
 884
 885         default:
 886             wxFAIL_MSG( _T("can't check this item") );
 887     }
 888 }
 889
 890 void wxMenuItem::Enable( bool enable )
 891 {
 892     wxCHECK_RET( m_menuItem, wxT("invalid menu item") );
 893
 894     gtk_widget_set_sensitive( m_menuItem, enable );
 895     wxMenuItemBase::Enable( enable );
 896 }
 897
 898 bool wxMenuItem::IsChecked() const
 899 {
 900     wxCHECK_MSG( m_menuItem, FALSE, wxT("invalid menu item") );
 901
 902     wxCHECK_MSG( IsCheckable(), FALSE,
 903                  wxT("can't get state of uncheckable item!") );
 904
 905     return ((GtkCheckMenuItem*)m_menuItem)->active != 0;
 906 }
 907
 908 wxString wxMenuItem::GetFactoryPath() const
 909 {
 910     /* in order to get the pointer to the item we need the item text
 911        _without_ underscores */
 912     wxString path( wxT("<main>/") );
 913
 914     for ( const wxChar *pc = m_text.c_str(); *pc; pc++ )
 915     {
 916         if ( *pc == wxT('_') || *pc == wxT('&') )
 917         {
 918             // remove '_' and '&' unconditionally
 919             continue;
 920         }
 921
 922         path += *pc;
 923     }
 924
 925     return path;
 926 }
 927
 928 //-----------------------------------------------------------------------------
 929 // wxMenu
 930 //-----------------------------------------------------------------------------
 931
 932 IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler)
 933
 934 void wxMenu::Init()
 935 {
 936     m_accel = gtk_accel_group_new();
 937     m_factory = gtk_item_factory_new( GTK_TYPE_MENU, "<main>", m_accel );
 938     m_menu = gtk_item_factory_get_widget( m_factory, "<main>" );
 939
 940     m_owner = (GtkWidget*) NULL;
 941
 942     /* Tearoffs are entries, just like separators. So if we want this
 943        menu to be a tear-off one, we just append a tearoff entry
 944        immediately. */
 945     if(m_style & wxMENU_TEAROFF)
 946     {
 947        GtkItemFactoryEntry entry;
 948        entry.path = (char *)"/tearoff";
 949        entry.callback = (GtkItemFactoryCallback) NULL;
 950        entry.callback_action = 0;
 951        entry.item_type = (char *)"<Tearoff>";
 952        entry.accelerator = (gchar*) NULL;
 953        gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 );  /* what is 2 ? */
 954        //GtkWidget *menuItem = gtk_item_factory_get_widget( m_factory, "<main>/tearoff" );
 955     }
 956
 957     // append the title as the very first entry if we have it
 958     if ( !!m_title )
 959     {
 960         Append(-2, m_title);
 961         AppendSeparator();
 962     }
 963 }
 964
 965 wxMenu::~wxMenu()
 966 {
 967    m_items.Clear();
 968
 969    gtk_widget_destroy( m_menu );
 970
 971    gtk_object_unref( GTK_OBJECT(m_factory) );
 972 }
 973
 974 bool wxMenu::GtkAppend(wxMenuItem *mitem)
 975 {
 976     GtkWidget *menuItem;
 977
 978 #if defined(USE_MENU_BITMAPS) || !GTK_CHECK_VERSION(1, 2, 0)
 979     bool appended = FALSE;
 980 #endif
 981
 982     // does this item terminate the current radio group?
 983     bool endOfRadioGroup = TRUE;
 984
 985     if ( mitem->IsSeparator() )
 986     {
 987         GtkItemFactoryEntry entry;
 988         entry.path = (char *)"/sep";
 989         entry.callback = (GtkItemFactoryCallback) NULL;
 990         entry.callback_action = 0;
 991         entry.item_type = (char *)"<Separator>";
 992         entry.accelerator = (gchar*) NULL;
 993
 994         gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 );  /* what is 2 ? */
 995
 996         /* this will be wrong for more than one separator. do we care? */
 997         menuItem = gtk_item_factory_get_widget( m_factory, "<main>/sep" );
 998
 999         // we might have a separator inside a radio group
1000         endOfRadioGroup = FALSE;
1001     }
1002     else if ( mitem->IsSubMenu() )
1003     {
1004         /* text has "_" instead of "&" after mitem->SetText() */
1005         wxString text( mitem->GetText() );
1006
1007         /* local buffer in multibyte form */
1008         char buf[200];
1009         strcpy( buf, "/" );
1010         strcat( buf, wxGTK_CONV( text ) );
1011
1012         GtkItemFactoryEntry entry;
1013         entry.path = buf;
1014         entry.callback = (GtkItemFactoryCallback) 0;
1015         entry.callback_action = 0;
1016         entry.item_type = (char *)"<Branch>";
1017         entry.accelerator = (gchar*) NULL;
1018
1019         gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 );  /* what is 2 ? */
1020
1021         wxString path( mitem->GetFactoryPath() );
1022         menuItem = gtk_item_factory_get_item( m_factory, wxGTK_CONV( path ) );
1023
1024         gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), mitem->GetSubMenu()->m_menu );
1025
1026         // if adding a submenu to a menu already existing in the menu bar, we
1027         // must set invoking window to allow processing events from this
1028         // submenu
1029         if ( m_invokingWindow )
1030             wxMenubarSetInvokingWindow(mitem->GetSubMenu(), m_invokingWindow);
1031     }
1032 #ifdef USE_MENU_BITMAPS
1033     else if (mitem->GetBitmap().Ok()) // An item with bitmap
1034     {
1035         wxString text( mitem->GetText() );
1036         const wxBitmap *bitmap = &mitem->GetBitmap();
1037
1038         menuItem = gtk_pixmap_menu_item_new ();
1039         GtkWidget *label = gtk_accel_label_new ( wxGTK_CONV( text ) );
1040         gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
1041         gtk_container_add (GTK_CONTAINER (menuItem), label);
1042         guint accel_key = gtk_label_parse_uline (GTK_LABEL(label), wxGTK_CONV( text ) );
1043         gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL (label), menuItem);
1044         if (accel_key != GDK_VoidSymbol)
1045             {
1046             gtk_widget_add_accelerator (menuItem,
1047                                         "activate_item",
1048                                         gtk_menu_ensure_uline_accel_group (GTK_MENU (m_menu)),
1049                                         accel_key, 0,
1050                                         GTK_ACCEL_LOCKED);
1051         }
1052         gtk_widget_show (label);
1053
1054         mitem->SetLabelWidget(label);
1055
1056         GtkWidget* pixmap = gtk_pixmap_new( bitmap->GetPixmap(), bitmap->GetMask() ? bitmap->GetMask()->GetBitmap() : (GdkBitmap* )NULL);
1057         gtk_widget_show(pixmap);
1058         gtk_pixmap_menu_item_set_pixmap(GTK_PIXMAP_MENU_ITEM( menuItem ), pixmap);
1059
1060         gtk_signal_connect( GTK_OBJECT(menuItem), "activate",
1061                             GTK_SIGNAL_FUNC(gtk_menu_clicked_callback),
1062                             (gpointer)this );
1063         gtk_menu_append( GTK_MENU(m_menu), menuItem );
1064         gtk_widget_show( menuItem );
1065
1066         appended = TRUE; // We've done this, don't do it again
1067     }
1068 #endif // USE_MENU_BITMAPS
1069     else // a normal item
1070     {
1071         // text has "_" instead of "&" after mitem->SetText() so don't use it
1072         wxString text( mitem->GetText() );
1073
1074         // buffers containing the menu item path and type in multibyte form
1075         char bufPath[256],
1076              bufType[256];
1077
1078         strcpy( bufPath, "/" );
1079         strncat( bufPath, wxGTK_CONV(text), WXSIZEOF(bufPath) - 2 );
1080         bufPath[WXSIZEOF(bufPath) - 1] = '\0';
1081
1082         GtkItemFactoryEntry entry;
1083         entry.path = bufPath;
1084         entry.callback = (GtkItemFactoryCallback) gtk_menu_clicked_callback;
1085         entry.callback_action = 0;
1086
1087         wxString pathRadio;
1088         const char *item_type;
1089         switch ( mitem->GetKind() )
1090         {
1091             case wxITEM_CHECK:
1092                 item_type = "<CheckItem>";
1093                 break;
1094
1095             case wxITEM_RADIO:
1096                 if ( m_pathLastRadio.empty() )
1097                 {
1098                     // start of a new radio group
1099                     item_type = "<RadioItem>";
1100                     m_pathLastRadio = bufPath + 1;
1101                 }
1102                 else // continue the radio group
1103                 {
1104                     pathRadio = m_pathLastRadio;
1105                     pathRadio.Replace(wxT("_"), wxT(""));
1106                     pathRadio.Prepend(wxT("<main>/"));
1107
1108                     strncpy(bufType, wxGTK_CONV(pathRadio), WXSIZEOF(bufType));
1109                     bufType[WXSIZEOF(bufType) - 1] = '\0';
1110                     item_type = bufType;
1111                 }
1112
1113                 // continue the existing radio group, if any
1114                 endOfRadioGroup = FALSE;
1115                 break;
1116
1117             default:
1118                 wxFAIL_MSG( _T("unexpected menu item kind") );
1119                 // fall through
1120
1121             case wxITEM_NORMAL:
1122                 item_type = "<Item>";
1123                 break;
1124         }
1125
1126         entry.item_type = (char *)item_type; // cast needed for GTK+
1127         entry.accelerator = (gchar*) NULL;
1128
1129 #if wxUSE_ACCEL
1130         // due to an apparent bug in GTK+, we have to use a static buffer here -
1131         // otherwise GTK+ 1.2.2 manages to override the memory we pass to it
1132         // somehow! (VZ)
1133         char s_accel[50]; // should be big enough, we check for overruns
1134         wxString tmp( GetHotKey(*mitem) );
1135         strncpy(s_accel, wxGTK_CONV( tmp ), WXSIZEOF(s_accel));
1136         s_accel[WXSIZEOF(s_accel) - 1] = '\0';
1137         entry.accelerator = s_accel;
1138 #else // !wxUSE_ACCEL
1139         entry.accelerator = (char*) NULL;
1140 #endif // wxUSE_ACCEL/!wxUSE_ACCEL
1141
1142         gtk_item_factory_create_item( m_factory, &entry, (gpointer) this, 2 );  /* what is 2 ? */
1143
1144         wxString path( mitem->GetFactoryPath() );
1145         menuItem = gtk_item_factory_get_widget( m_factory, wxGTK_CONV( path ) );
1146     }
1147
1148     if ( !mitem->IsSeparator() )
1149     {
1150         gtk_signal_connect( GTK_OBJECT(menuItem), "select",
1151                             GTK_SIGNAL_FUNC(gtk_menu_hilight_callback),
1152                             (gpointer)this );
1153
1154         gtk_signal_connect( GTK_OBJECT(menuItem), "deselect",
1155                             GTK_SIGNAL_FUNC(gtk_menu_nolight_callback),
1156                             (gpointer)this );
1157     }
1158
1159     mitem->SetMenuItem(menuItem);
1160
1161     if ( endOfRadioGroup )
1162     {
1163         m_pathLastRadio.clear();
1164     }
1165
1166     return TRUE;
1167 }
1168
1169 bool wxMenu::DoAppend(wxMenuItem *mitem)
1170 {
1171     return GtkAppend(mitem) && wxMenuBase::DoAppend(mitem);
1172 }
1173
1174 bool wxMenu::DoInsert(size_t pos, wxMenuItem *item)
1175 {
1176     if ( !wxMenuBase::DoInsert(pos, item) )
1177         return FALSE;
1178
1179 #ifdef __WXGTK12__
1180     // GTK+ doesn't have a function to insert a menu using GtkItemFactory (as
1181     // of version 1.2.6), so we first append the item and then change its
1182     // index
1183     if ( !GtkAppend(item) )
1184         return FALSE;
1185
1186     if ( m_style & wxMENU_TEAROFF )
1187     {
1188         // change the position as the first item is the tear-off marker
1189         pos++;
1190     }
1191
1192     GtkMenuShell *menu_shell = GTK_MENU_SHELL(m_factory->widget);
1193     gpointer data = g_list_last(menu_shell->children)->data;
1194     menu_shell->children = g_list_remove(menu_shell->children, data);
1195     menu_shell->children = g_list_insert(menu_shell->children, data, pos);
1196
1197     return TRUE;
1198 #else // GTK < 1.2
1199     // this should be easy to do...
1200     wxFAIL_MSG( wxT("not implemented") );
1201
1202     return FALSE;
1203 #endif // GTK 1.2/1.0
1204 }
1205
1206 wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
1207 {
1208     if ( !wxMenuBase::DoRemove(item) )
1209         return (wxMenuItem *)NULL;
1210
1211     // TODO: this code doesn't delete the item factory item and this seems
1212     //       impossible as of GTK 1.2.6.
1213     gtk_widget_destroy( item->GetMenuItem() );
1214
1215     return item;
1216 }
1217
1218 int wxMenu::FindMenuIdByMenuItem( GtkWidget *menuItem ) const
1219 {
1220     wxNode *node = m_items.First();
1221     while (node)
1222     {
1223         wxMenuItem *item = (wxMenuItem*)node->Data();
1224         if (item->GetMenuItem() == menuItem)
1225            return item->GetId();
1226         node = node->Next();
1227     }
1228
1229     return wxNOT_FOUND;
1230 }
1231
1232 // ----------------------------------------------------------------------------
1233 // helpers
1234 // ----------------------------------------------------------------------------
1235
1236 #if GTK_CHECK_VERSION(1, 2, 0) && wxUSE_ACCEL
1237
1238 static wxString GetHotKey( const wxMenuItem& item )
1239 {
1240     wxString hotkey;
1241
1242     wxAcceleratorEntry *accel = item.GetAccel();
1243     if ( accel )
1244     {
1245         int flags = accel->GetFlags();
1246         if ( flags & wxACCEL_ALT )
1247             hotkey += wxT("<alt>");
1248         if ( flags & wxACCEL_CTRL )
1249             hotkey += wxT("<control>");
1250         if ( flags & wxACCEL_SHIFT )
1251             hotkey += wxT("<shift>");
1252
1253         int code = accel->GetKeyCode();
1254         switch ( code )
1255         {
1256             case WXK_F1:
1257             case WXK_F2:
1258             case WXK_F3:
1259             case WXK_F4:
1260             case WXK_F5:
1261             case WXK_F6:
1262             case WXK_F7:
1263             case WXK_F8:
1264             case WXK_F9:
1265             case WXK_F10:
1266             case WXK_F11:
1267             case WXK_F12:
1268                 hotkey << wxT('F') << code - WXK_F1 + 1;
1269                 break;
1270
1271                 // TODO: we should use gdk_keyval_name() (a.k.a.
1272                 //       XKeysymToString) here as well as hardcoding the keysym
1273                 //       names this might be not portable
1274             case WXK_NUMPAD_INSERT:
1275                 hotkey << wxT("KP_Insert" );
1276                 break;
1277             case WXK_NUMPAD_DELETE:
1278                 hotkey << wxT("KP_Delete" );
1279                 break;
1280             case WXK_INSERT:
1281                 hotkey << wxT("Insert" );
1282                 break;
1283             case WXK_DELETE:
1284                 hotkey << wxT("Delete" );
1285                 break;
1286
1287                 // if there are any other keys wxGetAccelFromString() may
1288                 // return, we should process them here
1289
1290             default:
1291                 if ( code < 127 )
1292                 {
1293                     gchar *name = gdk_keyval_name((guint)code);
1294                     if ( name )
1295                     {
1296                         hotkey << name;
1297                         break;
1298                     }
1299                 }
1300
1301                 wxFAIL_MSG( wxT("unknown keyboard accel") );
1302         }
1303
1304         delete accel;
1305     }
1306
1307     return hotkey;
1308 }
1309
1310 #endif // wxUSE_ACCEL
1311
1312
1313 //-----------------------------------------------------------------------------
1314 // substitute for missing GtkPixmapMenuItem
1315 //-----------------------------------------------------------------------------
1316
1317 #ifdef USE_MENU_BITMAPS
1318
1319 /*
1320  * Copyright (C) 1998, 1999, 2000 Free Software Foundation
1321  * All rights reserved.
1322  *
1323  * This file is part of the Gnome Library.
1324  *
1325  * The Gnome Library is free software; you can redistribute it and/or
1326  * modify it under the terms of the GNU Library General Public License as
1327  * published by the Free Software Foundation; either version 2 of the
1328  * License, or (at your option) any later version.
1329  *
1330  * The Gnome Library is distributed in the hope that it will be useful,
1331  * but WITHOUT ANY WARRANTY; without even the implied warranty of
1332  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
1333  * Library General Public License for more details.
1334  *
1335  * You should have received a copy of the GNU Library General Public
1336  * License along with the Gnome Library; see the file COPYING.LIB.  If not,
1337  * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
1338  * Boston, MA 02111-1307, USA.
1339  */
1340 /*
1341   @NOTATION@
1342  */
1343
1344 /* Author: Dietmar Maurer <dm@vlsivie.tuwien.ac.at> */
1345
1346 #include <gtk/gtkaccellabel.h>
1347 #include <gtk/gtksignal.h>
1348 #include <gtk/gtkmenuitem.h>
1349 #include <gtk/gtkmenu.h>
1350 #include <gtk/gtkcontainer.h>
1351
1352 extern "C"
1353 {
1354
1355 static void gtk_pixmap_menu_item_class_init    (GtkPixmapMenuItemClass *klass);
1356 static void gtk_pixmap_menu_item_init          (GtkPixmapMenuItem      *menu_item);
1357 static void gtk_pixmap_menu_item_draw          (GtkWidget              *widget,
1358                                                 GdkRectangle           *area);
1359 static gint gtk_pixmap_menu_item_expose        (GtkWidget              *widget,
1360                                                 GdkEventExpose         *event);
1361
1362 /* we must override the following functions */
1363
1364 static void gtk_pixmap_menu_item_map           (GtkWidget        *widget);
1365 static void gtk_pixmap_menu_item_size_allocate (GtkWidget        *widget,
1366                                                 GtkAllocation    *allocation);
1367 static void gtk_pixmap_menu_item_forall        (GtkContainer    *container,
1368                                                 gboolean         include_internals,
1369                                                 GtkCallback      callback,
1370                                                 gpointer         callback_data);
1371 static void gtk_pixmap_menu_item_size_request  (GtkWidget        *widget,
1372                                                 GtkRequisition   *requisition);
1373 static void gtk_pixmap_menu_item_remove        (GtkContainer *container,
1374                                                 GtkWidget    *child);
1375
1376 static void changed_have_pixmap_status         (GtkPixmapMenuItem *menu_item);
1377
1378 static GtkMenuItemClass *parent_class = NULL;
1379
1380 }
1381
1382 #define BORDER_SPACING  3
1383 #define PMAP_WIDTH 20
1384
1385 GtkType
1386 gtk_pixmap_menu_item_get_type (void)
1387 {
1388   static GtkType pixmap_menu_item_type = 0;
1389
1390   if (!pixmap_menu_item_type)
1391     {
1392       GtkTypeInfo pixmap_menu_item_info =
1393       {
1394         (char *)"GtkPixmapMenuItem",
1395         sizeof (GtkPixmapMenuItem),
1396         sizeof (GtkPixmapMenuItemClass),
1397         (GtkClassInitFunc) gtk_pixmap_menu_item_class_init,
1398         (GtkObjectInitFunc) gtk_pixmap_menu_item_init,
1399         /* reserved_1 */ NULL,
1400         /* reserved_2 */ NULL,
1401         (GtkClassInitFunc) NULL,
1402       };
1403
1404       pixmap_menu_item_type = gtk_type_unique (gtk_menu_item_get_type (),
1405                                                &pixmap_menu_item_info);
1406     }
1407
1408   return pixmap_menu_item_type;
1409 }
1410
1411 /**
1412  * gtk_pixmap_menu_item_new
1413  *
1414  * Creates a new pixmap menu item. Use gtk_pixmap_menu_item_set_pixmap()
1415  * to set the pixmap wich is displayed at the left side.
1416  *
1417  * Returns:
1418  * &GtkWidget pointer to new menu item
1419  **/
1420
1421 GtkWidget*
1422 gtk_pixmap_menu_item_new (void)
1423 {
1424   return GTK_WIDGET (gtk_type_new (gtk_pixmap_menu_item_get_type ()));
1425 }
1426
1427 static void
1428 gtk_pixmap_menu_item_class_init (GtkPixmapMenuItemClass *klass)
1429 {
1430   GtkObjectClass *object_class;
1431   GtkWidgetClass *widget_class;
1432   GtkMenuItemClass *menu_item_class;
1433   GtkContainerClass *container_class;
1434
1435   object_class = (GtkObjectClass*) klass;
1436   widget_class = (GtkWidgetClass*) klass;
1437   menu_item_class = (GtkMenuItemClass*) klass;
1438   container_class = (GtkContainerClass*) klass;
1439
1440   parent_class = (GtkMenuItemClass*) gtk_type_class (gtk_menu_item_get_type ());
1441
1442   widget_class->draw = gtk_pixmap_menu_item_draw;
1443   widget_class->expose_event = gtk_pixmap_menu_item_expose;
1444   widget_class->map = gtk_pixmap_menu_item_map;
1445   widget_class->size_allocate = gtk_pixmap_menu_item_size_allocate;
1446   widget_class->size_request = gtk_pixmap_menu_item_size_request;
1447
1448   container_class->forall = gtk_pixmap_menu_item_forall;
1449   container_class->remove = gtk_pixmap_menu_item_remove;
1450
1451   klass->orig_toggle_size = menu_item_class->toggle_size;
1452   klass->have_pixmap_count = 0;
1453 }
1454
1455 static void
1456 gtk_pixmap_menu_item_init (GtkPixmapMenuItem *menu_item)
1457 {
1458   GtkMenuItem *mi;
1459
1460   mi = GTK_MENU_ITEM (menu_item);
1461
1462   menu_item->pixmap = NULL;
1463 }
1464
1465 static void
1466 gtk_pixmap_menu_item_draw (GtkWidget    *widget,
1467                            GdkRectangle *area)
1468 {
1469   g_return_if_fail (widget != NULL);
1470   g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget));
1471   g_return_if_fail (area != NULL);
1472
1473   if (GTK_WIDGET_CLASS (parent_class)->draw)
1474     (* GTK_WIDGET_CLASS (parent_class)->draw) (widget, area);
1475
1476   if (GTK_WIDGET_DRAWABLE (widget) &&
1477       GTK_PIXMAP_MENU_ITEM(widget)->pixmap) {
1478     gtk_widget_draw(GTK_WIDGET(GTK_PIXMAP_MENU_ITEM(widget)->pixmap),NULL);
1479   }
1480 }
1481
1482 static gint
1483 gtk_pixmap_menu_item_expose (GtkWidget      *widget,
1484                              GdkEventExpose *event)
1485 {
1486   g_return_val_if_fail (widget != NULL, FALSE);
1487   g_return_val_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget), FALSE);
1488   g_return_val_if_fail (event != NULL, FALSE);
1489
1490   if (GTK_WIDGET_CLASS (parent_class)->expose_event)
1491     (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
1492
1493   if (GTK_WIDGET_DRAWABLE (widget) &&
1494       GTK_PIXMAP_MENU_ITEM(widget)->pixmap) {
1495     gtk_widget_draw(GTK_WIDGET(GTK_PIXMAP_MENU_ITEM(widget)->pixmap),NULL);
1496   }
1497
1498   return FALSE;
1499 }
1500
1501 /**
1502  * gtk_pixmap_menu_item_set_pixmap
1503  * @menu_item: Pointer to the pixmap menu item
1504  * @pixmap: Pointer to a pixmap widget
1505  *
1506  * Set the pixmap of the menu item.
1507  *
1508  **/
1509
1510 void
1511 gtk_pixmap_menu_item_set_pixmap (GtkPixmapMenuItem *menu_item,
1512                                  GtkWidget         *pixmap)
1513 {
1514   g_return_if_fail (menu_item != NULL);
1515   g_return_if_fail (pixmap != NULL);
1516   g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (menu_item));
1517   g_return_if_fail (GTK_IS_WIDGET (pixmap));
1518   g_return_if_fail (menu_item->pixmap == NULL);
1519
1520   gtk_widget_set_parent (pixmap, GTK_WIDGET (menu_item));
1521   menu_item->pixmap = pixmap;
1522
1523   if (GTK_WIDGET_REALIZED (pixmap->parent) &&
1524       !GTK_WIDGET_REALIZED (pixmap))
1525     gtk_widget_realize (pixmap);
1526
1527   if (GTK_WIDGET_VISIBLE (pixmap->parent)) {
1528     if (GTK_WIDGET_MAPPED (pixmap->parent) &&
1529         GTK_WIDGET_VISIBLE(pixmap) &&
1530         !GTK_WIDGET_MAPPED (pixmap))
1531       gtk_widget_map (pixmap);
1532   }
1533
1534   changed_have_pixmap_status(menu_item);
1535
1536   if (GTK_WIDGET_VISIBLE (pixmap) && GTK_WIDGET_VISIBLE (menu_item))
1537     gtk_widget_queue_resize (pixmap);
1538 }
1539
1540 static void
1541 gtk_pixmap_menu_item_map (GtkWidget *widget)
1542 {
1543   GtkPixmapMenuItem *menu_item;
1544
1545   g_return_if_fail (widget != NULL);
1546   g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (widget));
1547
1548   menu_item = GTK_PIXMAP_MENU_ITEM(widget);
1549
1550   GTK_WIDGET_CLASS(parent_class)->map(widget);
1551
1552   if (menu_item->pixmap &&
1553       GTK_WIDGET_VISIBLE (menu_item->pixmap) &&
1554       !GTK_WIDGET_MAPPED (menu_item->pixmap))
1555     gtk_widget_map (menu_item->pixmap);
1556 }
1557
1558 static void
1559 gtk_pixmap_menu_item_size_allocate (GtkWidget        *widget,
1560                                     GtkAllocation    *allocation)
1561 {
1562   GtkPixmapMenuItem *pmenu_item;
1563
1564   pmenu_item = GTK_PIXMAP_MENU_ITEM(widget);
1565
1566   if (pmenu_item->pixmap && GTK_WIDGET_VISIBLE(pmenu_item))
1567     {
1568       GtkAllocation child_allocation;
1569       int border_width;
1570
1571       border_width = GTK_CONTAINER (widget)->border_width;
1572
1573       child_allocation.width = pmenu_item->pixmap->requisition.width;
1574       child_allocation.height = pmenu_item->pixmap->requisition.height;
1575       child_allocation.x = border_width + BORDER_SPACING;
1576       child_allocation.y = (border_width + BORDER_SPACING
1577                             + (((allocation->height - child_allocation.height) - child_allocation.x)
1578                                / 2)); /* center pixmaps vertically */
1579       gtk_widget_size_allocate (pmenu_item->pixmap, &child_allocation);
1580     }
1581
1582   if (GTK_WIDGET_CLASS (parent_class)->size_allocate)
1583     GTK_WIDGET_CLASS(parent_class)->size_allocate (widget, allocation);
1584 }
1585
1586 static void
1587 gtk_pixmap_menu_item_forall (GtkContainer    *container,
1588                              gboolean         include_internals,
1589                              GtkCallback      callback,
1590                              gpointer         callback_data)
1591 {
1592   GtkPixmapMenuItem *menu_item;
1593
1594   g_return_if_fail (container != NULL);
1595   g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (container));
1596   g_return_if_fail (callback != NULL);
1597
1598   menu_item = GTK_PIXMAP_MENU_ITEM (container);
1599
1600   if (menu_item->pixmap)
1601     (* callback) (menu_item->pixmap, callback_data);
1602
1603   GTK_CONTAINER_CLASS(parent_class)->forall(container,include_internals,
1604                                             callback,callback_data);
1605 }
1606
1607 static void
1608 gtk_pixmap_menu_item_size_request (GtkWidget      *widget,
1609                                    GtkRequisition *requisition)
1610 {
1611   GtkPixmapMenuItem *menu_item;
1612   GtkRequisition req = {0, 0};
1613
1614   g_return_if_fail (widget != NULL);
1615   g_return_if_fail (GTK_IS_MENU_ITEM (widget));
1616   g_return_if_fail (requisition != NULL);
1617
1618   GTK_WIDGET_CLASS(parent_class)->size_request(widget,requisition);
1619
1620   menu_item = GTK_PIXMAP_MENU_ITEM (widget);
1621
1622   if (menu_item->pixmap)
1623     gtk_widget_size_request(menu_item->pixmap, &req);
1624
1625   requisition->height = MAX(req.height + GTK_CONTAINER(widget)->border_width + BORDER_SPACING, (unsigned int) requisition->height);
1626   requisition->width += (req.width + GTK_CONTAINER(widget)->border_width + BORDER_SPACING);
1627 }
1628
1629 static void
1630 gtk_pixmap_menu_item_remove (GtkContainer *container,
1631                              GtkWidget    *child)
1632 {
1633   GtkBin *bin;
1634   gboolean widget_was_visible;
1635
1636   g_return_if_fail (container != NULL);
1637   g_return_if_fail (GTK_IS_PIXMAP_MENU_ITEM (container));
1638   g_return_if_fail (child != NULL);
1639   g_return_if_fail (GTK_IS_WIDGET (child));
1640
1641   bin = GTK_BIN (container);
1642   g_return_if_fail ((bin->child == child ||
1643                      (GTK_PIXMAP_MENU_ITEM(container)->pixmap == child)));
1644
1645   widget_was_visible = GTK_WIDGET_VISIBLE (child);
1646
1647   gtk_widget_unparent (child);
1648   if (bin->child == child)
1649     bin->child = NULL;
1650   else {
1651     GTK_PIXMAP_MENU_ITEM(container)->pixmap = NULL;
1652     changed_have_pixmap_status(GTK_PIXMAP_MENU_ITEM(container));
1653   }
1654
1655   if (widget_was_visible)
1656     gtk_widget_queue_resize (GTK_WIDGET (container));
1657 }
1658
1659
1660 /* important to only call this if there was actually a _change_ in pixmap == NULL */
1661 static void
1662 changed_have_pixmap_status (GtkPixmapMenuItem *menu_item)
1663 {
1664   if (menu_item->pixmap != NULL) {
1665     GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count += 1;
1666
1667     if (GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count == 1) {
1668       /* Install pixmap toggle size */
1669       GTK_MENU_ITEM_GET_CLASS(menu_item)->toggle_size = MAX(GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->orig_toggle_size, PMAP_WIDTH);
1670     }
1671   } else {
1672     GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count -= 1;
1673
1674     if (GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->have_pixmap_count == 0) {
1675       /* Install normal toggle size */
1676       GTK_MENU_ITEM_GET_CLASS(menu_item)->toggle_size = GTK_PIXMAP_MENU_ITEM_GET_CLASS(menu_item)->orig_toggle_size;
1677     }
1678   }
1679
1680   /* Note that we actually need to do this for _all_ GtkPixmapMenuItem
1681      whenever the klass->toggle_size changes; but by doing it anytime
1682      this function is called, we get the same effect, just because of
1683      how the preferences option to show pixmaps works. Bogus, broken.
1684   */
1685   if (GTK_WIDGET_VISIBLE(GTK_WIDGET(menu_item)))
1686     gtk_widget_queue_resize(GTK_WIDGET(menu_item));
1687 }
1688
1689 #endif // USE_MENU_BITMAPS
1690