#define IDM_SHOWLOG   0x0010
#define IDM_NEWSESS   0x0020
#define IDM_DUPSESS   0x0030
#define IDM_RECONF    0x0040
#define IDM_CLRSB     0x0050
#define IDM_RESET     0x0060
#define IDM_TEL_AYT   0x0070
#define IDM_TEL_BRK   0x0080
#define IDM_TEL_SYNCH 0x0090
#define IDM_TEL_EC    0x00a0
#define IDM_TEL_EL    0x00b0
#define IDM_TEL_GA    0x00c0
#define IDM_TEL_NOP   0x00d0
#define IDM_TEL_ABORT 0x00e0
#define IDM_TEL_AO    0x00f0
#define IDM_TEL_IP    0x0100
#define IDM_TEL_SUSP  0x0110
#define IDM_TEL_EOR   0x0120
#define IDM_TEL_EOF   0x0130
#define IDM_HELP      0x0140
#define IDM_ABOUT     0x0150
#define IDM_SAVEDSESS 0x0160
#define IDM_COPYALL   0x0170
#define IDM_FULLSCREEN	0x0180

#define IDM_SESSLGP   0x0250	       /* log type printable */
#define IDM_SESSLGA   0x0260	       /* log type all chars */
#define IDM_SESSLGE   0x0270	       /* log end */

#define IDM_SPECIAL_MIN 0x0400
#define IDM_SPECIAL_MAX 0x0800

#define IDM_SAVED_MIN 0x1000
#define IDM_SAVED_MAX 0x2000

#define WM_IGNORE_CLIP (WM_XUSER + 2)
#define WM_FULLSCR_ON_MAX (WM_XUSER + 3)

/* Needed for Chinese support and apparently not always defined. */

static void *ldisc;
static Backend *back;
static void *backhandle;

static struct unicode_data ucsdata;
static int session_closed;

static const struct telnet_special *specials;
static int specials_menu_position;

Config cfg;			       /* exported to windlg.c */

extern struct sesslist sesslist;       /* imported from windlg.c */

#define FONT_NORMAL 0
#define FONT_BOLD 1

    dbltime = GetDoubleClickTime();

    /*
     * Set up the session-control options on the system menu.
     */
    {
	HMENU m = GetSystemMenu(hwnd, FALSE);
	HMENU p, s;
	HMENU s;
	int i;

	AppendMenu(m, MF_SEPARATOR, 0, 0);
	if (cfg.protocol == PROT_TELNET) {
	    p = CreateMenu();
	specials_menu_position = GetMenuItemCount(m);
	    AppendMenu(p, MF_ENABLED, IDM_TEL_AYT, "Are You There");
	    AppendMenu(p, MF_ENABLED, IDM_TEL_BRK, "Break");
	    AppendMenu(p, MF_ENABLED, IDM_TEL_SYNCH, "Synch");
	    AppendMenu(p, MF_SEPARATOR, 0, 0);
	    AppendMenu(p, MF_ENABLED, IDM_TEL_EC, "Erase Character");
	    AppendMenu(p, MF_ENABLED, IDM_TEL_EL, "Erase Line");
	    AppendMenu(p, MF_ENABLED, IDM_TEL_GA, "Go Ahead");
	    AppendMenu(p, MF_ENABLED, IDM_TEL_NOP, "No Operation");
	    AppendMenu(p, MF_SEPARATOR, 0, 0);
	    AppendMenu(p, MF_ENABLED, IDM_TEL_ABORT, "Abort Process");
	    AppendMenu(p, MF_ENABLED, IDM_TEL_AO, "Abort Output");
	    AppendMenu(p, MF_ENABLED, IDM_TEL_IP, "Interrupt Process");
	    AppendMenu(p, MF_ENABLED, IDM_TEL_SUSP, "Suspend Process");
	    AppendMenu(p, MF_SEPARATOR, 0, 0);
	    AppendMenu(p, MF_ENABLED, IDM_TEL_EOR, "End Of Record");
	    AppendMenu(p, MF_ENABLED, IDM_TEL_EOF, "End Of File");
	    AppendMenu(m, MF_POPUP | MF_ENABLED, (UINT) p,
		       "Telnet Command");
	    AppendMenu(m, MF_SEPARATOR, 0, 0);
	}
	debug(("specials_menu_position = %d\n", specials_menu_position));
	AppendMenu(m, MF_ENABLED, IDM_SHOWLOG, "&Event Log");
	AppendMenu(m, MF_SEPARATOR, 0, 0);
	AppendMenu(m, MF_ENABLED, IDM_NEWSESS, "Ne&w Session...");
	AppendMenu(m, MF_ENABLED, IDM_DUPSESS, "&Duplicate Session");
	s = CreateMenu();
	get_sesslist(&sesslist, TRUE);
	for (i = 1;

	AppendMenu(m, (cfg.resize_action == RESIZE_DISABLED) ?
		   MF_GRAYED : MF_ENABLED, IDM_FULLSCREEN, "&Full Screen");
	AppendMenu(m, MF_SEPARATOR, 0, 0);
        if (help_path)
            AppendMenu(m, MF_ENABLED, IDM_HELP, "&Help");
	AppendMenu(m, MF_ENABLED, IDM_ABOUT, "&About PuTTY");
    }

    update_specials_menu(NULL);

    /*
     * Set up the initial input locale.
     */
    set_input_locale(GetKeyboardLayout(0));

    /*

	    return "Network is down";
	  default:
	    return "WSAAsyncSelect(): unknown error";
	}
    }
    return NULL;
}

/*
 * Update the Special Commands submenu.
 */
void update_specials_menu(void *frontend)
{
    HMENU m = GetSystemMenu(hwnd, FALSE);
    int menu_already_exists = (specials != NULL);
    int i;

    specials = back->get_specials(backhandle);
    if (specials) {
	HMENU p = CreateMenu();
	for (i = 0; specials[i].name; i++) {
	    assert(IDM_SPECIAL_MIN + 0x10 * i < IDM_SPECIAL_MAX);
	    if (*specials[i].name)
		AppendMenu(p, MF_ENABLED, IDM_SPECIAL_MIN + 0x10 * i,
			   specials[i].name);
	    else
		AppendMenu(p, MF_SEPARATOR, 0, 0);
	}
	if (menu_already_exists)
	    DeleteMenu(m, specials_menu_position, MF_BYPOSITION);
	else
	    InsertMenu(m, specials_menu_position,
		       MF_BYPOSITION | MF_SEPARATOR, 0, 0);
	InsertMenu(m, specials_menu_position,
		   MF_BYPOSITION | MF_POPUP | MF_ENABLED,
		   (UINT) p, "Special Command");
    }
}

/*
 * set or clear the "raw mouse message" mode
 */
void set_raw_mouse_mode(void *frontend, int activate)
{
    activate = activate && !cfg.no_mouse_rep;

	  case IDM_CLRSB:
	    term_clrsb(term);
	    break;
	  case IDM_RESET:
	    term_pwron(term);
	    ldisc_send(ldisc, NULL, 0, 0);
	    break;
	  case IDM_TEL_AYT:
	    back->special(backhandle, TS_AYT);
	    net_pending_errors();
	    break;
	  case IDM_TEL_BRK:
	    back->special(backhandle, TS_BRK);
	    net_pending_errors();
	    break;
	  case IDM_TEL_SYNCH:
	    back->special(backhandle, TS_SYNCH);
	    net_pending_errors();
	    break;
	  case IDM_TEL_EC:
	    back->special(backhandle, TS_EC);
	    net_pending_errors();
	    break;
	  case IDM_TEL_EL:
	    back->special(backhandle, TS_EL);
	    net_pending_errors();
	    break;
	  case IDM_TEL_GA:
	    back->special(backhandle, TS_GA);
	    net_pending_errors();
	    break;
	  case IDM_TEL_NOP:
	    back->special(backhandle, TS_NOP);
	    net_pending_errors();
	    break;
	  case IDM_TEL_ABORT:
	    back->special(backhandle, TS_ABORT);
	    net_pending_errors();
	    break;
	  case IDM_TEL_AO:
	    back->special(backhandle, TS_AO);
	    net_pending_errors();
	    break;
	  case IDM_TEL_IP:
	    back->special(backhandle, TS_IP);
	    net_pending_errors();
	    break;
	  case IDM_TEL_SUSP:
	    back->special(backhandle, TS_SUSP);
	    net_pending_errors();
	    break;
	  case IDM_TEL_EOR:
	    back->special(backhandle, TS_EOR);
	    net_pending_errors();
	    break;
	  case IDM_TEL_EOF:
	    back->special(backhandle, TS_EOF);
	    net_pending_errors();
	    break;
	  case IDM_ABOUT:
	    showabout(hwnd);
	    break;
	  case IDM_HELP:
	    WinHelp(hwnd, help_path,
                    help_has_contents ? HELP_FINDER : HELP_CONTENTS, 0);
	    break;

	    break;
	  case IDM_FULLSCREEN:
	    flip_full_screen();
	    break;
	  default:
	    if (wParam >= IDM_SAVED_MIN && wParam <= IDM_SAVED_MAX) {
		SendMessage(hwnd, WM_SYSCOMMAND, IDM_SAVEDSESS, wParam);
	    }
	    if (wParam >= IDM_SPECIAL_MIN && wParam <= IDM_SPECIAL_MAX) {
		int i = (wParam - IDM_SPECIAL_MIN) / 0x10;
		int j;
		/*
		 * Ensure we haven't been sent a bogus SYSCOMMAND
		 * which would cause us to reference invalid memory
		 * and crash. Perhaps I'm just too paranoid here.
		 */
		for (j = 0; j < i; j++)
		    if (!specials || !specials[j].name)
			break;
		if (j == i) {
		    back->special(backhandle, specials[i].code);
		    net_pending_errors();
		}
	    }
	}
	break;

#define X_POS(l) ((int)(short)LOWORD(l))
#define Y_POS(l) ((int)(short)HIWORD(l))