2 * window.c - the PuTTY(tel) main program, which runs a PuTTY terminal
3 * emulator and backend in a window.
13 #define PUTTY_DO_GLOBALS /* actually _define_ globals */
21 #define COMPILE_MULTIMON_STUBS
31 /* From MSDN: In the WM_SYSCOMMAND message, the four low-order bits of
32 * wParam are used by Windows, and should be masked off, so we shouldn't
33 * attempt to store information in them. Hence all these identifiers have
34 * the low 4 bits clear. Also, identifiers should < 0xF000. */
36 #define IDM_SHOWLOG 0x0010
37 #define IDM_NEWSESS 0x0020
38 #define IDM_DUPSESS 0x0030
39 #define IDM_RESTART 0x0040
40 #define IDM_RECONF 0x0050
41 #define IDM_CLRSB 0x0060
42 #define IDM_RESET 0x0070
43 #define IDM_HELP 0x0140
44 #define IDM_ABOUT 0x0150
45 #define IDM_SAVEDSESS 0x0160
46 #define IDM_COPYALL 0x0170
47 #define IDM_FULLSCREEN 0x0180
48 #define IDM_PASTE 0x0190
49 #define IDM_SPECIALSEP 0x0200
51 #define IDM_SPECIAL_MIN 0x0400
52 #define IDM_SPECIAL_MAX 0x0800
54 #define IDM_SAVED_MIN 0x1000
55 #define IDM_SAVED_MAX 0x5000
56 #define MENU_SAVED_STEP 16
57 /* Maximum number of sessions on saved-session submenu */
58 #define MENU_SAVED_MAX ((IDM_SAVED_MAX-IDM_SAVED_MIN) / MENU_SAVED_STEP)
60 #define WM_IGNORE_CLIP (WM_APP + 2)
61 #define WM_FULLSCR_ON_MAX (WM_APP + 3)
62 #define WM_AGENT_CALLBACK (WM_APP + 4)
64 /* Needed for Chinese support and apparently not always defined. */
66 #define VK_PROCESSKEY 0xE5
69 /* Mouse wheel support. */
71 #define WM_MOUSEWHEEL 0x020A /* not defined in earlier SDKs */
74 #define WHEEL_DELTA 120
77 static Mouse_Button translate_button(Mouse_Button button);
78 static LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
79 static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
80 unsigned char *output);
81 static void cfgtopalette(void);
82 static void systopalette(void);
83 static void init_palette(void);
84 static void init_fonts(int, int);
85 static void another_font(int);
86 static void deinit_fonts(void);
87 static void set_input_locale(HKL);
88 static void update_savedsess_menu(void);
90 static int is_full_screen(void);
91 static void make_full_screen(void);
92 static void clear_full_screen(void);
93 static void flip_full_screen(void);
95 /* Window layout information */
96 static void reset_window(int);
97 static int extra_width, extra_height;
98 static int font_width, font_height, font_dualwidth;
99 static int offset_width, offset_height;
100 static int was_zoomed = 0;
101 static int prev_rows, prev_cols;
103 static int pending_netevent = 0;
104 static WPARAM pend_netevent_wParam = 0;
105 static LPARAM pend_netevent_lParam = 0;
106 static void enact_pending_netevent(void);
107 static void flash_window(int mode);
108 static void sys_cursor_update(void);
109 static int is_shift_pressed(void);
110 static int get_fullscreen_rect(RECT * ss);
112 static int caret_x = -1, caret_y = -1;
114 static int kbd_codepage;
117 static Backend *back;
118 static void *backhandle;
120 static struct unicode_data ucsdata;
121 static int must_close_session, session_closed;
122 static int reconfiguring = FALSE;
124 static const struct telnet_special *specials = NULL;
125 static HMENU specials_menu = NULL;
126 static int n_specials = 0;
128 #define TIMING_TIMER_ID 1234
129 static long timing_next_time;
134 enum { SYSMENU, CTXMENU };
135 static HMENU savedsess_menu;
137 Config cfg; /* exported to windlg.c */
139 static struct sesslist sesslist; /* for saved-session menu */
141 struct agent_callback {
142 void (*callback)(void *, void *, int);
148 #define FONT_NORMAL 0
150 #define FONT_UNDERLINE 2
151 #define FONT_BOLDUND 3
152 #define FONT_WIDE 0x04
153 #define FONT_HIGH 0x08
154 #define FONT_NARROW 0x10
156 #define FONT_OEM 0x20
157 #define FONT_OEMBOLD 0x21
158 #define FONT_OEMUND 0x22
159 #define FONT_OEMBOLDUND 0x23
161 #define FONT_MAXNO 0x2F
163 static HFONT fonts[FONT_MAXNO];
164 static LOGFONT lfont;
165 static int fontflag[FONT_MAXNO];
167 BOLD_COLOURS, BOLD_SHADOW, BOLD_FONT
174 #define NCFGCOLOURS 22
175 #define NEXTCOLOURS 240
176 #define NALLCOLOURS (NCFGCOLOURS + NEXTCOLOURS)
177 static COLORREF colours[NALLCOLOURS];
179 static LPLOGPALETTE logpal;
180 static RGBTRIPLE defpal[NALLCOLOURS];
182 static HBITMAP caretbm;
184 static int dbltime, lasttime, lastact;
185 static Mouse_Button lastbtn;
187 /* this allows xterm-style mouse handling. */
188 static int send_raw_mouse = 0;
189 static int wheel_accumulator = 0;
191 static int busy_status = BUSY_NOT;
193 static char *window_name, *icon_name;
195 static int compose_state = 0;
197 static UINT wm_mousewheel = WM_MOUSEWHEEL;
199 /* Dummy routine, only required in plink. */
200 void ldisc_update(void *frontend, int echo, int edit)
204 char *get_ttymode(void *frontend, const char *mode)
206 return term_get_ttymode(term, mode);
209 static void start_backend(void)
212 char msg[1024], *title;
217 * Select protocol. This is farmed out into a table in a
218 * separate file to enable an ssh-free variant.
221 for (i = 0; backends[i].backend != NULL; i++)
222 if (backends[i].protocol == cfg.protocol) {
223 back = backends[i].backend;
227 char *str = dupprintf("%s Internal Error", appname);
228 MessageBox(NULL, "Unsupported protocol number found",
229 str, MB_OK | MB_ICONEXCLAMATION);
234 error = back->init(NULL, &backhandle, &cfg,
235 cfg.host, cfg.port, &realhost, cfg.tcp_nodelay,
237 back->provide_logctx(backhandle, logctx);
239 char *str = dupprintf("%s Error", appname);
240 sprintf(msg, "Unable to open connection to\n"
241 "%.800s\n" "%s", cfg_dest(&cfg), error);
242 MessageBox(NULL, msg, str, MB_ICONERROR | MB_OK);
246 window_name = icon_name = NULL;
248 title = cfg.wintitle;
250 sprintf(msg, "%s - %s", realhost, appname);
254 set_title(NULL, title);
255 set_icon(NULL, title);
258 * Connect the terminal to the backend for resize purposes.
260 term_provide_resize_fn(term, back->size, backhandle);
263 * Set up a line discipline.
265 ldisc = ldisc_create(&cfg, term, back, backhandle, NULL);
268 * Destroy the Restart Session menu item. (This will return
269 * failure if it's already absent, as it will be the very first
270 * time we call this function. We ignore that, because as long
271 * as the menu item ends up not being there, we don't care
272 * whether it was us who removed it or not!)
274 for (i = 0; i < lenof(popup_menus); i++) {
275 DeleteMenu(popup_menus[i].menu, IDM_RESTART, MF_BYCOMMAND);
278 must_close_session = FALSE;
279 session_closed = FALSE;
282 static void close_session(void)
287 session_closed = TRUE;
288 sprintf(morestuff, "%.70s (inactive)", appname);
289 set_icon(NULL, morestuff);
290 set_title(NULL, morestuff);
297 back->free(backhandle);
300 update_specials_menu(NULL);
304 * Show the Restart Session menu item. Do a precautionary
305 * delete first to ensure we never end up with more than one.
307 for (i = 0; i < lenof(popup_menus); i++) {
308 DeleteMenu(popup_menus[i].menu, IDM_RESTART, MF_BYCOMMAND);
309 InsertMenu(popup_menus[i].menu, IDM_DUPSESS, MF_BYCOMMAND | MF_ENABLED,
310 IDM_RESTART, "&Restart Session");
314 int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show)
318 int guess_width, guess_height;
322 flags = FLAG_VERBOSE | FLAG_INTERACTIVE;
326 InitCommonControls();
328 /* Ensure a Maximize setting in Explorer doesn't maximise the
334 char *str = dupprintf("%s Fatal Error", appname);
335 MessageBox(NULL, "Windows refuses to report a version",
336 str, MB_OK | MB_ICONEXCLAMATION);
342 * If we're running a version of Windows that doesn't support
343 * WM_MOUSEWHEEL, find out what message number we should be
346 if (osVersion.dwMajorVersion < 4 ||
347 (osVersion.dwMajorVersion == 4 &&
348 osVersion.dwPlatformId != VER_PLATFORM_WIN32_NT))
349 wm_mousewheel = RegisterWindowMessage("MSWHEEL_ROLLMSG");
354 * Process the command line.
360 default_protocol = be_default_protocol;
361 /* Find the appropriate default port. */
364 default_port = 0; /* illegal */
365 for (i = 0; backends[i].backend != NULL; i++)
366 if (backends[i].protocol == default_protocol) {
367 default_port = backends[i].backend->default_port;
371 cfg.logtype = LGTYP_NONE;
373 do_defaults(NULL, &cfg);
378 * Process a couple of command-line options which are more
379 * easily dealt with before the line is broken up into
380 * words. These are the soon-to-be-defunct @sessionname and
381 * the internal-use-only &sharedmemoryhandle, neither of
382 * which are combined with anything else.
384 while (*p && isspace(*p))
388 while (i > 1 && isspace(p[i - 1]))
391 do_defaults(p + 1, &cfg);
392 if (!cfg_launchable(&cfg) && !do_config()) {
395 } else if (*p == '&') {
397 * An initial & means we've been given a command line
398 * containing the hex value of a HANDLE for a file
399 * mapping object, which we must then extract as a
404 if (sscanf(p + 1, "%p", &filemap) == 1 &&
405 (cp = MapViewOfFile(filemap, FILE_MAP_READ,
406 0, 0, sizeof(Config))) != NULL) {
409 CloseHandle(filemap);
410 } else if (!do_config()) {
415 * Otherwise, break up the command line and deal with
421 split_into_argv(cmdline, &argc, &argv, NULL);
423 for (i = 0; i < argc; i++) {
427 ret = cmdline_process_param(p, i+1<argc?argv[i+1]:NULL,
430 cmdline_error("option \"%s\" requires an argument", p);
431 } else if (ret == 2) {
432 i++; /* skip next argument */
433 } else if (ret == 1) {
434 continue; /* nothing further needs doing */
435 } else if (!strcmp(p, "-cleanup") ||
436 !strcmp(p, "-cleanup-during-uninstall")) {
438 * `putty -cleanup'. Remove all registry
439 * entries associated with PuTTY, and also find
440 * and delete the random seed file.
443 /* Are we being invoked from an uninstaller? */
444 if (!strcmp(p, "-cleanup-during-uninstall")) {
445 s1 = dupprintf("Remove saved sessions and random seed file?\n"
447 "If you hit Yes, ALL Registry entries associated\n"
448 "with %s will be removed, as well as the\n"
449 "random seed file. THIS PROCESS WILL\n"
450 "DESTROY YOUR SAVED SESSIONS.\n"
451 "(This only affects the currently logged-in user.)\n"
453 "If you hit No, uninstallation will proceed, but\n"
454 "saved sessions etc will be left on the machine.",
456 s2 = dupprintf("%s Uninstallation", appname);
458 s1 = dupprintf("This procedure will remove ALL Registry entries\n"
459 "associated with %s, and will also remove\n"
460 "the random seed file. (This only affects the\n"
461 "currently logged-in user.)\n"
463 "THIS PROCESS WILL DESTROY YOUR SAVED SESSIONS.\n"
464 "Are you really sure you want to continue?",
466 s2 = dupprintf("%s Warning", appname);
468 if (message_box(s1, s2,
469 MB_YESNO | MB_ICONWARNING | MB_DEFBUTTON2,
470 HELPCTXID(option_cleanup)) == IDYES) {
476 } else if (!strcmp(p, "-pgpfp")) {
479 } else if (*p != '-') {
483 * If we already have a host name, treat
484 * this argument as a port number. NB we
485 * have to treat this as a saved -P
486 * argument, so that it will be deferred
487 * until it's a good moment to run it.
489 int ret = cmdline_process_param("-P", p, 1, &cfg);
491 } else if (!strncmp(q, "telnet:", 7)) {
493 * If the hostname starts with "telnet:",
494 * set the protocol to Telnet and process
495 * the string as a Telnet URL.
500 if (q[0] == '/' && q[1] == '/')
502 cfg.protocol = PROT_TELNET;
504 while (*p && *p != ':' && *p != '/')
513 strncpy(cfg.host, q, sizeof(cfg.host) - 1);
514 cfg.host[sizeof(cfg.host) - 1] = '\0';
518 * Otherwise, treat this argument as a host
521 while (*p && !isspace(*p))
525 strncpy(cfg.host, q, sizeof(cfg.host) - 1);
526 cfg.host[sizeof(cfg.host) - 1] = '\0';
530 cmdline_error("unknown option \"%s\"", p);
535 cmdline_run_saved(&cfg);
537 if (!cfg_launchable(&cfg) && !do_config()) {
542 * Trim leading whitespace off the hostname if it's there.
545 int space = strspn(cfg.host, " \t");
546 memmove(cfg.host, cfg.host+space, 1+strlen(cfg.host)-space);
549 /* See if host is of the form user@host */
550 if (cfg.host[0] != '\0') {
551 char *atsign = strrchr(cfg.host, '@');
552 /* Make sure we're not overflowing the user field */
554 if (atsign - cfg.host < sizeof cfg.username) {
555 strncpy(cfg.username, cfg.host, atsign - cfg.host);
556 cfg.username[atsign - cfg.host] = '\0';
558 memmove(cfg.host, atsign + 1, 1 + strlen(atsign + 1));
563 * Trim a colon suffix off the hostname if it's there. In
564 * order to protect IPv6 address literals against this
565 * treatment, we do not do this if there's _more_ than one
569 char *c = strchr(cfg.host, ':');
572 char *d = strchr(c+1, ':');
579 * Remove any remaining whitespace from the hostname.
583 while (cfg.host[p2] != '\0') {
584 if (cfg.host[p2] != ' ' && cfg.host[p2] != '\t') {
585 cfg.host[p1] = cfg.host[p2];
594 /* Check for invalid Port number (i.e. zero) */
596 char *str = dupprintf("%s Internal Error", appname);
597 MessageBox(NULL, "Invalid Port Number",
598 str, MB_OK | MB_ICONEXCLAMATION);
605 wndclass.lpfnWndProc = WndProc;
606 wndclass.cbClsExtra = 0;
607 wndclass.cbWndExtra = 0;
608 wndclass.hInstance = inst;
609 wndclass.hIcon = LoadIcon(inst, MAKEINTRESOURCE(IDI_MAINICON));
610 wndclass.hCursor = LoadCursor(NULL, IDC_IBEAM);
611 wndclass.hbrBackground = NULL;
612 wndclass.lpszMenuName = NULL;
613 wndclass.lpszClassName = appname;
615 RegisterClass(&wndclass);
618 memset(&ucsdata, 0, sizeof(ucsdata));
623 * Guess some defaults for the window size. This all gets
624 * updated later, so we don't really care too much. However, we
625 * do want the font width/height guesses to correspond to a
626 * large font rather than a small one...
633 guess_width = extra_width + font_width * cfg.width;
634 guess_height = extra_height + font_height * cfg.height;
637 get_fullscreen_rect(&r);
638 if (guess_width > r.right - r.left)
639 guess_width = r.right - r.left;
640 if (guess_height > r.bottom - r.top)
641 guess_height = r.bottom - r.top;
645 int winmode = WS_OVERLAPPEDWINDOW | WS_VSCROLL;
648 winmode &= ~(WS_VSCROLL);
649 if (cfg.resize_action == RESIZE_DISABLED)
650 winmode &= ~(WS_THICKFRAME | WS_MAXIMIZEBOX);
652 exwinmode |= WS_EX_TOPMOST;
654 exwinmode |= WS_EX_CLIENTEDGE;
655 hwnd = CreateWindowEx(exwinmode, appname, appname,
656 winmode, CW_USEDEFAULT, CW_USEDEFAULT,
657 guess_width, guess_height,
658 NULL, NULL, inst, NULL);
662 * Initialise the terminal. (We have to do this _after_
663 * creating the window, since the terminal is the first thing
664 * which will call schedule_timer(), which will in turn call
665 * timer_change_notify() which will expect hwnd to exist.)
667 term = term_init(&cfg, &ucsdata, NULL);
668 logctx = log_init(NULL, &cfg);
669 term_provide_logctx(term, logctx);
670 term_size(term, cfg.height, cfg.width, cfg.savelines);
673 * Initialise the fonts, simultaneously correcting the guesses
674 * for font_{width,height}.
679 * Correct the guesses for extra_{width,height}.
683 GetWindowRect(hwnd, &wr);
684 GetClientRect(hwnd, &cr);
685 offset_width = offset_height = cfg.window_border;
686 extra_width = wr.right - wr.left - cr.right + cr.left + offset_width*2;
687 extra_height = wr.bottom - wr.top - cr.bottom + cr.top +offset_height*2;
691 * Resize the window, now we know what size we _really_ want it
694 guess_width = extra_width + font_width * term->cols;
695 guess_height = extra_height + font_height * term->rows;
696 SetWindowPos(hwnd, NULL, 0, 0, guess_width, guess_height,
697 SWP_NOMOVE | SWP_NOREDRAW | SWP_NOZORDER);
700 * Set up a caret bitmap, with no content.
704 int size = (font_width + 15) / 16 * 2 * font_height;
705 bits = snewn(size, char);
706 memset(bits, 0, size);
707 caretbm = CreateBitmap(font_width, font_height, 1, 1, bits);
710 CreateCaret(hwnd, caretbm, font_width, font_height);
713 * Initialise the scroll bar.
718 si.cbSize = sizeof(si);
719 si.fMask = SIF_ALL | SIF_DISABLENOSCROLL;
721 si.nMax = term->rows - 1;
722 si.nPage = term->rows;
724 SetScrollInfo(hwnd, SB_VERT, &si, FALSE);
728 * Prepare the mouse handler.
730 lastact = MA_NOTHING;
731 lastbtn = MBT_NOTHING;
732 dbltime = GetDoubleClickTime();
735 * Set up the session-control options on the system menu.
742 popup_menus[SYSMENU].menu = GetSystemMenu(hwnd, FALSE);
743 popup_menus[CTXMENU].menu = CreatePopupMenu();
744 AppendMenu(popup_menus[CTXMENU].menu, MF_ENABLED, IDM_PASTE, "&Paste");
746 savedsess_menu = CreateMenu();
747 get_sesslist(&sesslist, TRUE);
748 update_savedsess_menu();
750 for (j = 0; j < lenof(popup_menus); j++) {
751 m = popup_menus[j].menu;
753 AppendMenu(m, MF_SEPARATOR, 0, 0);
754 AppendMenu(m, MF_ENABLED, IDM_SHOWLOG, "&Event Log");
755 AppendMenu(m, MF_SEPARATOR, 0, 0);
756 AppendMenu(m, MF_ENABLED, IDM_NEWSESS, "Ne&w Session...");
757 AppendMenu(m, MF_ENABLED, IDM_DUPSESS, "&Duplicate Session");
758 AppendMenu(m, MF_POPUP | MF_ENABLED, (UINT) savedsess_menu,
760 AppendMenu(m, MF_ENABLED, IDM_RECONF, "Chan&ge Settings...");
761 AppendMenu(m, MF_SEPARATOR, 0, 0);
762 AppendMenu(m, MF_ENABLED, IDM_COPYALL, "C&opy All to Clipboard");
763 AppendMenu(m, MF_ENABLED, IDM_CLRSB, "C&lear Scrollback");
764 AppendMenu(m, MF_ENABLED, IDM_RESET, "Rese&t Terminal");
765 AppendMenu(m, MF_SEPARATOR, 0, 0);
766 AppendMenu(m, (cfg.resize_action == RESIZE_DISABLED) ?
767 MF_GRAYED : MF_ENABLED, IDM_FULLSCREEN, "&Full Screen");
768 AppendMenu(m, MF_SEPARATOR, 0, 0);
770 AppendMenu(m, MF_ENABLED, IDM_HELP, "&Help");
771 str = dupprintf("&About %s", appname);
772 AppendMenu(m, MF_ENABLED, IDM_ABOUT, str);
780 * Set up the initial input locale.
782 set_input_locale(GetKeyboardLayout(0));
785 * Finally show the window!
787 ShowWindow(hwnd, show);
788 SetForegroundWindow(hwnd);
791 * Set the palette up.
797 term_set_focus(term, GetForegroundWindow() == hwnd);
804 handles = handle_get_events(&nhandles);
806 n = MsgWaitForMultipleObjects(nhandles, handles, FALSE, INFINITE,
809 if ((unsigned)(n - WAIT_OBJECT_0) < (unsigned)nhandles) {
810 handle_got_event(handles[n - WAIT_OBJECT_0]);
812 if (must_close_session)
818 while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
819 if (msg.message == WM_QUIT)
820 goto finished; /* two-level break */
822 if (!(IsWindow(logbox) && IsDialogMessage(logbox, &msg)))
823 DispatchMessage(&msg);
824 /* Send the paste buffer if there's anything to send */
826 /* If there's nothing new in the queue then we can do everything
827 * we've delayed, reading the socket, writing, and repainting
830 if (must_close_session)
834 /* The messages seem unreliable; especially if we're being tricky */
835 term_set_focus(term, GetForegroundWindow() == hwnd);
837 if (pending_netevent)
838 enact_pending_netevent();
840 net_pending_errors();
844 cleanup_exit(msg.wParam); /* this doesn't return... */
845 return msg.wParam; /* ... but optimiser doesn't know */
851 void cleanup_exit(int code)
862 if (cfg.protocol == PROT_SSH) {
874 * Set up, or shut down, an AsyncSelect. Called from winnet.c.
876 char *do_select(SOCKET skt, int startup)
881 events = (FD_CONNECT | FD_READ | FD_WRITE |
882 FD_OOB | FD_CLOSE | FD_ACCEPT);
887 return "do_select(): internal error (hwnd==NULL)";
888 if (p_WSAAsyncSelect(skt, hwnd, msg, events) == SOCKET_ERROR) {
889 switch (p_WSAGetLastError()) {
891 return "Network is down";
893 return "WSAAsyncSelect(): unknown error";
900 * Refresh the saved-session submenu from `sesslist'.
902 static void update_savedsess_menu(void)
905 while (DeleteMenu(savedsess_menu, 0, MF_BYPOSITION)) ;
906 /* skip sesslist.sessions[0] == Default Settings */
908 i < ((sesslist.nsessions <= MENU_SAVED_MAX+1) ? sesslist.nsessions
911 AppendMenu(savedsess_menu, MF_ENABLED,
912 IDM_SAVED_MIN + (i-1)*MENU_SAVED_STEP,
913 sesslist.sessions[i]);
917 * Update the Special Commands submenu.
919 void update_specials_menu(void *frontend)
925 specials = back->get_specials(backhandle);
930 /* We can't use Windows to provide a stack for submenus, so
931 * here's a lame "stack" that will do for now. */
932 HMENU saved_menu = NULL;
934 new_menu = CreatePopupMenu();
935 for (i = 0; nesting > 0; i++) {
936 assert(IDM_SPECIAL_MIN + 0x10 * i < IDM_SPECIAL_MAX);
937 switch (specials[i].code) {
939 AppendMenu(new_menu, MF_SEPARATOR, 0, 0);
944 saved_menu = new_menu; /* XXX lame stacking */
945 new_menu = CreatePopupMenu();
946 AppendMenu(saved_menu, MF_POPUP | MF_ENABLED,
947 (UINT) new_menu, specials[i].name);
952 new_menu = saved_menu; /* XXX lame stacking */
957 AppendMenu(new_menu, MF_ENABLED, IDM_SPECIAL_MIN + 0x10 * i,
962 /* Squirrel the highest special. */
969 for (j = 0; j < lenof(popup_menus); j++) {
971 /* XXX does this free up all submenus? */
972 DeleteMenu(popup_menus[j].menu, (UINT)specials_menu, MF_BYCOMMAND);
973 DeleteMenu(popup_menus[j].menu, IDM_SPECIALSEP, MF_BYCOMMAND);
976 InsertMenu(popup_menus[j].menu, IDM_SHOWLOG,
977 MF_BYCOMMAND | MF_POPUP | MF_ENABLED,
978 (UINT) new_menu, "S&pecial Command");
979 InsertMenu(popup_menus[j].menu, IDM_SHOWLOG,
980 MF_BYCOMMAND | MF_SEPARATOR, IDM_SPECIALSEP, 0);
983 specials_menu = new_menu;
986 static void update_mouse_pointer(void)
989 int force_visible = FALSE;
990 static int forced_visible = FALSE;
991 switch (busy_status) {
994 curstype = IDC_ARROW;
996 curstype = IDC_IBEAM;
999 curstype = IDC_APPSTARTING; /* this may be an abuse */
1000 force_visible = TRUE;
1003 curstype = IDC_WAIT;
1004 force_visible = TRUE;
1010 HCURSOR cursor = LoadCursor(NULL, curstype);
1011 SetClassLongPtr(hwnd, GCLP_HCURSOR, (LONG_PTR)cursor);
1012 SetCursor(cursor); /* force redraw of cursor at current posn */
1014 if (force_visible != forced_visible) {
1015 /* We want some cursor shapes to be visible always.
1016 * Along with show_mouseptr(), this manages the ShowCursor()
1017 * counter such that if we switch back to a non-force_visible
1018 * cursor, the previous visibility state is restored. */
1019 ShowCursor(force_visible);
1020 forced_visible = force_visible;
1024 void set_busy_status(void *frontend, int status)
1026 busy_status = status;
1027 update_mouse_pointer();
1031 * set or clear the "raw mouse message" mode
1033 void set_raw_mouse_mode(void *frontend, int activate)
1035 activate = activate && !cfg.no_mouse_rep;
1036 send_raw_mouse = activate;
1037 update_mouse_pointer();
1041 * Print a message box and close the connection.
1043 void connection_fatal(void *frontend, char *fmt, ...)
1046 char *stuff, morestuff[100];
1049 stuff = dupvprintf(fmt, ap);
1051 sprintf(morestuff, "%.70s Fatal Error", appname);
1052 MessageBox(hwnd, stuff, morestuff, MB_ICONERROR | MB_OK);
1055 if (cfg.close_on_exit == FORCE_ON)
1058 must_close_session = TRUE;
1063 * Report an error at the command-line parsing stage.
1065 void cmdline_error(char *fmt, ...)
1068 char *stuff, morestuff[100];
1071 stuff = dupvprintf(fmt, ap);
1073 sprintf(morestuff, "%.70s Command Line Error", appname);
1074 MessageBox(hwnd, stuff, morestuff, MB_ICONERROR | MB_OK);
1080 * Actually do the job requested by a WM_NETEVENT
1082 static void enact_pending_netevent(void)
1084 static int reentering = 0;
1085 extern int select_result(WPARAM, LPARAM);
1088 return; /* don't unpend the pending */
1090 pending_netevent = FALSE;
1093 select_result(pend_netevent_wParam, pend_netevent_lParam);
1098 * Copy the colour palette from the configuration data into defpal.
1099 * This is non-trivial because the colour indices are different.
1101 static void cfgtopalette(void)
1104 static const int ww[] = {
1105 256, 257, 258, 259, 260, 261,
1106 0, 8, 1, 9, 2, 10, 3, 11,
1107 4, 12, 5, 13, 6, 14, 7, 15
1110 for (i = 0; i < 22; i++) {
1112 defpal[w].rgbtRed = cfg.colours[i][0];
1113 defpal[w].rgbtGreen = cfg.colours[i][1];
1114 defpal[w].rgbtBlue = cfg.colours[i][2];
1116 for (i = 0; i < NEXTCOLOURS; i++) {
1118 int r = i / 36, g = (i / 6) % 6, b = i % 6;
1119 defpal[i+16].rgbtRed = r ? r * 40 + 55 : 0;
1120 defpal[i+16].rgbtGreen = g ? g * 40 + 55 : 0;
1121 defpal[i+16].rgbtBlue = b ? b * 40 + 55 : 0;
1123 int shade = i - 216;
1124 shade = shade * 10 + 8;
1125 defpal[i+16].rgbtRed = defpal[i+16].rgbtGreen =
1126 defpal[i+16].rgbtBlue = shade;
1130 /* Override with system colours if appropriate */
1131 if (cfg.system_colour)
1136 * Override bit of defpal with colours from the system.
1137 * (NB that this takes a copy the system colours at the time this is called,
1138 * so subsequent colour scheme changes don't take effect. To fix that we'd
1139 * probably want to be using GetSysColorBrush() and the like.)
1141 static void systopalette(void)
1144 static const struct { int nIndex; int norm; int bold; } or[] =
1146 { COLOR_WINDOWTEXT, 256, 257 }, /* Default Foreground */
1147 { COLOR_WINDOW, 258, 259 }, /* Default Background */
1148 { COLOR_HIGHLIGHTTEXT, 260, 260 }, /* Cursor Text */
1149 { COLOR_HIGHLIGHT, 261, 261 }, /* Cursor Colour */
1152 for (i = 0; i < (sizeof(or)/sizeof(or[0])); i++) {
1153 COLORREF colour = GetSysColor(or[i].nIndex);
1154 defpal[or[i].norm].rgbtRed =
1155 defpal[or[i].bold].rgbtRed = GetRValue(colour);
1156 defpal[or[i].norm].rgbtGreen =
1157 defpal[or[i].bold].rgbtGreen = GetGValue(colour);
1158 defpal[or[i].norm].rgbtBlue =
1159 defpal[or[i].bold].rgbtBlue = GetBValue(colour);
1164 * Set up the colour palette.
1166 static void init_palette(void)
1169 HDC hdc = GetDC(hwnd);
1171 if (cfg.try_palette && GetDeviceCaps(hdc, RASTERCAPS) & RC_PALETTE) {
1173 * This is a genuine case where we must use smalloc
1174 * because the snew macros can't cope.
1176 logpal = smalloc(sizeof(*logpal)
1177 - sizeof(logpal->palPalEntry)
1178 + NALLCOLOURS * sizeof(PALETTEENTRY));
1179 logpal->palVersion = 0x300;
1180 logpal->palNumEntries = NALLCOLOURS;
1181 for (i = 0; i < NALLCOLOURS; i++) {
1182 logpal->palPalEntry[i].peRed = defpal[i].rgbtRed;
1183 logpal->palPalEntry[i].peGreen = defpal[i].rgbtGreen;
1184 logpal->palPalEntry[i].peBlue = defpal[i].rgbtBlue;
1185 logpal->palPalEntry[i].peFlags = PC_NOCOLLAPSE;
1187 pal = CreatePalette(logpal);
1189 SelectPalette(hdc, pal, FALSE);
1190 RealizePalette(hdc);
1191 SelectPalette(hdc, GetStockObject(DEFAULT_PALETTE), FALSE);
1194 ReleaseDC(hwnd, hdc);
1197 for (i = 0; i < NALLCOLOURS; i++)
1198 colours[i] = PALETTERGB(defpal[i].rgbtRed,
1199 defpal[i].rgbtGreen,
1200 defpal[i].rgbtBlue);
1202 for (i = 0; i < NALLCOLOURS; i++)
1203 colours[i] = RGB(defpal[i].rgbtRed,
1204 defpal[i].rgbtGreen, defpal[i].rgbtBlue);
1208 * This is a wrapper to ExtTextOut() to force Windows to display
1209 * the precise glyphs we give it. Otherwise it would do its own
1210 * bidi and Arabic shaping, and we would end up uncertain which
1211 * characters it had put where.
1213 static void exact_textout(HDC hdc, int x, int y, CONST RECT *lprc,
1214 unsigned short *lpString, UINT cbCount,
1215 CONST INT *lpDx, int opaque)
1219 * The LCC include files apparently don't supply the
1220 * GCP_RESULTSW type, but we can make do with GCP_RESULTS
1221 * proper: the differences aren't important to us (the only
1222 * variable-width string parameter is one we don't use anyway).
1228 char *buffer = snewn(cbCount*2+2, char);
1229 char *classbuffer = snewn(cbCount, char);
1230 memset(&gcpr, 0, sizeof(gcpr));
1231 memset(buffer, 0, cbCount*2+2);
1232 memset(classbuffer, GCPCLASS_NEUTRAL, cbCount);
1234 gcpr.lStructSize = sizeof(gcpr);
1235 gcpr.lpGlyphs = (void *)buffer;
1236 gcpr.lpClass = classbuffer;
1237 gcpr.nGlyphs = cbCount;
1239 GetCharacterPlacementW(hdc, lpString, cbCount, 0, &gcpr,
1240 FLI_MASK | GCP_CLASSIN | GCP_DIACRITIC);
1242 ExtTextOut(hdc, x, y,
1243 ETO_GLYPH_INDEX | ETO_CLIPPED | (opaque ? ETO_OPAQUE : 0),
1244 lprc, buffer, cbCount, lpDx);
1248 * The exact_textout() wrapper, unfortunately, destroys the useful
1249 * Windows `font linking' behaviour: automatic handling of Unicode
1250 * code points not supported in this font by falling back to a font
1251 * which does contain them. Therefore, we adopt a multi-layered
1252 * approach: for any potentially-bidi text, we use exact_textout(),
1253 * and for everything else we use a simple ExtTextOut as we did
1254 * before exact_textout() was introduced.
1256 static void general_textout(HDC hdc, int x, int y, CONST RECT *lprc,
1257 unsigned short *lpString, UINT cbCount,
1258 CONST INT *lpDx, int opaque)
1263 #ifdef FIXME_REMOVE_BEFORE_CHECKIN
1265 debug(("general_textout: %d,%d", x, y));
1266 for(k=0;k<cbCount;k++)debug((" U+%04X", lpString[k]));
1267 debug(("\n rect: [%d,%d %d,%d]", lprc->left, lprc->top, lprc->right, lprc->bottom));
1273 for (i = 0; i < (int)cbCount ;) {
1274 int rtl = is_rtl(lpString[i]);
1278 for (j = i+1; j < (int)cbCount; j++) {
1279 if (rtl != is_rtl(lpString[j]))
1285 * Now [i,j) indicates a maximal substring of lpString
1286 * which should be displayed using the same textout
1290 newrc.left = lprc->left + xp - x;
1291 newrc.right = lprc->left + xn - x;
1292 newrc.top = lprc->top;
1293 newrc.bottom = lprc->bottom;
1294 #ifdef FIXME_REMOVE_BEFORE_CHECKIN
1297 debug((" exact_textout: %d,%d", xp, y));
1298 for(k=0;k<j-i;k++)debug((" U+%04X", lpString[i+k]));
1299 debug(("\n rect: [%d,%d %d,%d]\n", newrc.left, newrc.top, newrc.right, newrc.bottom));
1302 exact_textout(hdc, xp, y, &newrc, lpString+i, j-i, lpDx+i, opaque);
1304 #ifdef FIXME_REMOVE_BEFORE_CHECKIN
1307 debug((" ExtTextOut : %d,%d", xp, y));
1308 for(k=0;k<j-i;k++)debug((" U+%04X", lpString[i+k]));
1309 debug(("\n rect: [%d,%d %d,%d]\n", newrc.left, newrc.top, newrc.right, newrc.bottom));
1312 newrc.left = lprc->left + xp - x;
1313 newrc.right = lprc->left + xn - x;
1314 newrc.top = lprc->top;
1315 newrc.bottom = lprc->bottom;
1316 ExtTextOutW(hdc, xp, y, ETO_CLIPPED | (opaque ? ETO_OPAQUE : 0),
1317 &newrc, lpString+i, j-i, lpDx+i);
1324 #ifdef FIXME_REMOVE_BEFORE_CHECKIN
1325 debug(("general_textout: done, xn=%d\n", xn));
1327 assert(xn - x == lprc->right - lprc->left);
1331 * Initialise all the fonts we will need initially. There may be as many as
1332 * three or as few as one. The other (poentially) twentyone fonts are done
1333 * if/when they are needed.
1337 * - check the font width and height, correcting our guesses if
1340 * - verify that the bold font is the same width as the ordinary
1341 * one, and engage shadow bolding if not.
1343 * - verify that the underlined font is the same width as the
1344 * ordinary one (manual underlining by means of line drawing can
1345 * be done in a pinch).
1347 static void init_fonts(int pick_width, int pick_height)
1354 int fw_dontcare, fw_bold;
1356 for (i = 0; i < FONT_MAXNO; i++)
1359 bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
1360 und_mode = UND_FONT;
1362 if (cfg.font.isbold) {
1363 fw_dontcare = FW_BOLD;
1366 fw_dontcare = FW_DONTCARE;
1373 font_height = pick_height;
1375 font_height = cfg.font.height;
1376 if (font_height > 0) {
1378 -MulDiv(font_height, GetDeviceCaps(hdc, LOGPIXELSY), 72);
1381 font_width = pick_width;
1383 #define f(i,c,w,u) \
1384 fonts[i] = CreateFont (font_height, font_width, 0, 0, w, FALSE, u, FALSE, \
1385 c, OUT_DEFAULT_PRECIS, \
1386 CLIP_DEFAULT_PRECIS, FONT_QUALITY(cfg.font_quality), \
1387 FIXED_PITCH | FF_DONTCARE, cfg.font.name)
1389 f(FONT_NORMAL, cfg.font.charset, fw_dontcare, FALSE);
1391 SelectObject(hdc, fonts[FONT_NORMAL]);
1392 GetTextMetrics(hdc, &tm);
1394 GetObject(fonts[FONT_NORMAL], sizeof(LOGFONT), &lfont);
1396 if (pick_width == 0 || pick_height == 0) {
1397 font_height = tm.tmHeight;
1398 font_width = tm.tmAveCharWidth;
1400 font_dualwidth = (tm.tmAveCharWidth != tm.tmMaxCharWidth);
1402 #ifdef RDB_DEBUG_PATCH
1403 debug(23, "Primary font H=%d, AW=%d, MW=%d",
1404 tm.tmHeight, tm.tmAveCharWidth, tm.tmMaxCharWidth);
1409 DWORD cset = tm.tmCharSet;
1410 memset(&info, 0xFF, sizeof(info));
1412 /* !!! Yes the next line is right */
1413 if (cset == OEM_CHARSET)
1414 ucsdata.font_codepage = GetOEMCP();
1416 if (TranslateCharsetInfo ((DWORD *) cset, &info, TCI_SRCCHARSET))
1417 ucsdata.font_codepage = info.ciACP;
1419 ucsdata.font_codepage = -1;
1421 GetCPInfo(ucsdata.font_codepage, &cpinfo);
1422 ucsdata.dbcs_screenfont = (cpinfo.MaxCharSize > 1);
1425 f(FONT_UNDERLINE, cfg.font.charset, fw_dontcare, TRUE);
1428 * Some fonts, e.g. 9-pt Courier, draw their underlines
1429 * outside their character cell. We successfully prevent
1430 * screen corruption by clipping the text output, but then
1431 * we lose the underline completely. Here we try to work
1432 * out whether this is such a font, and if it is, we set a
1433 * flag that causes underlines to be drawn by hand.
1435 * Having tried other more sophisticated approaches (such
1436 * as examining the TEXTMETRIC structure or requesting the
1437 * height of a string), I think we'll do this the brute
1438 * force way: we create a small bitmap, draw an underlined
1439 * space on it, and test to see whether any pixels are
1440 * foreground-coloured. (Since we expect the underline to
1441 * go all the way across the character cell, we only search
1442 * down a single column of the bitmap, half way across.)
1446 HBITMAP und_bm, und_oldbm;
1450 und_dc = CreateCompatibleDC(hdc);
1451 und_bm = CreateCompatibleBitmap(hdc, font_width, font_height);
1452 und_oldbm = SelectObject(und_dc, und_bm);
1453 SelectObject(und_dc, fonts[FONT_UNDERLINE]);
1454 SetTextAlign(und_dc, TA_TOP | TA_LEFT | TA_NOUPDATECP);
1455 SetTextColor(und_dc, RGB(255, 255, 255));
1456 SetBkColor(und_dc, RGB(0, 0, 0));
1457 SetBkMode(und_dc, OPAQUE);
1458 ExtTextOut(und_dc, 0, 0, ETO_OPAQUE, NULL, " ", 1, NULL);
1460 for (i = 0; i < font_height; i++) {
1461 c = GetPixel(und_dc, font_width / 2, i);
1462 if (c != RGB(0, 0, 0))
1465 SelectObject(und_dc, und_oldbm);
1466 DeleteObject(und_bm);
1469 und_mode = UND_LINE;
1470 DeleteObject(fonts[FONT_UNDERLINE]);
1471 fonts[FONT_UNDERLINE] = 0;
1475 if (bold_mode == BOLD_FONT) {
1476 f(FONT_BOLD, cfg.font.charset, fw_bold, FALSE);
1480 descent = tm.tmAscent + 1;
1481 if (descent >= font_height)
1482 descent = font_height - 1;
1484 for (i = 0; i < 3; i++) {
1486 if (SelectObject(hdc, fonts[i]) && GetTextMetrics(hdc, &tm))
1487 fontsize[i] = tm.tmAveCharWidth + 256 * tm.tmHeight;
1494 ReleaseDC(hwnd, hdc);
1496 if (fontsize[FONT_UNDERLINE] != fontsize[FONT_NORMAL]) {
1497 und_mode = UND_LINE;
1498 DeleteObject(fonts[FONT_UNDERLINE]);
1499 fonts[FONT_UNDERLINE] = 0;
1502 if (bold_mode == BOLD_FONT &&
1503 fontsize[FONT_BOLD] != fontsize[FONT_NORMAL]) {
1504 bold_mode = BOLD_SHADOW;
1505 DeleteObject(fonts[FONT_BOLD]);
1506 fonts[FONT_BOLD] = 0;
1508 fontflag[0] = fontflag[1] = fontflag[2] = 1;
1510 init_ucs(&cfg, &ucsdata);
1513 static void another_font(int fontno)
1516 int fw_dontcare, fw_bold;
1520 if (fontno < 0 || fontno >= FONT_MAXNO || fontflag[fontno])
1523 basefont = (fontno & ~(FONT_BOLDUND));
1524 if (basefont != fontno && !fontflag[basefont])
1525 another_font(basefont);
1527 if (cfg.font.isbold) {
1528 fw_dontcare = FW_BOLD;
1531 fw_dontcare = FW_DONTCARE;
1535 c = cfg.font.charset;
1541 if (fontno & FONT_WIDE)
1543 if (fontno & FONT_NARROW)
1545 if (fontno & FONT_OEM)
1547 if (fontno & FONT_BOLD)
1549 if (fontno & FONT_UNDERLINE)
1553 CreateFont(font_height * (1 + !!(fontno & FONT_HIGH)), x, 0, 0, w,
1554 FALSE, u, FALSE, c, OUT_DEFAULT_PRECIS,
1555 CLIP_DEFAULT_PRECIS, FONT_QUALITY(cfg.font_quality),
1556 FIXED_PITCH | FF_DONTCARE, s);
1558 fontflag[fontno] = 1;
1561 static void deinit_fonts(void)
1564 for (i = 0; i < FONT_MAXNO; i++) {
1566 DeleteObject(fonts[i]);
1572 void request_resize(void *frontend, int w, int h)
1576 /* If the window is maximized supress resizing attempts */
1577 if (IsZoomed(hwnd)) {
1578 if (cfg.resize_action == RESIZE_TERM)
1582 if (cfg.resize_action == RESIZE_DISABLED) return;
1583 if (h == term->rows && w == term->cols) return;
1585 /* Sanity checks ... */
1587 static int first_time = 1;
1590 switch (first_time) {
1592 /* Get the size of the screen */
1593 if (get_fullscreen_rect(&ss))
1594 /* first_time = 0 */ ;
1600 /* Make sure the values are sane */
1601 width = (ss.right - ss.left - extra_width) / 4;
1602 height = (ss.bottom - ss.top - extra_height) / 6;
1604 if (w > width || h > height)
1613 term_size(term, h, w, cfg.savelines);
1615 if (cfg.resize_action != RESIZE_FONT && !IsZoomed(hwnd)) {
1616 width = extra_width + font_width * w;
1617 height = extra_height + font_height * h;
1619 SetWindowPos(hwnd, NULL, 0, 0, width, height,
1620 SWP_NOACTIVATE | SWP_NOCOPYBITS |
1621 SWP_NOMOVE | SWP_NOZORDER);
1625 InvalidateRect(hwnd, NULL, TRUE);
1628 static void reset_window(int reinit) {
1630 * This function decides how to resize or redraw when the
1631 * user changes something.
1633 * This function doesn't like to change the terminal size but if the
1634 * font size is locked that may be it's only soluion.
1636 int win_width, win_height;
1639 #ifdef RDB_DEBUG_PATCH
1640 debug((27, "reset_window()"));
1643 /* Current window sizes ... */
1644 GetWindowRect(hwnd, &wr);
1645 GetClientRect(hwnd, &cr);
1647 win_width = cr.right - cr.left;
1648 win_height = cr.bottom - cr.top;
1650 if (cfg.resize_action == RESIZE_DISABLED) reinit = 2;
1652 /* Are we being forced to reload the fonts ? */
1654 #ifdef RDB_DEBUG_PATCH
1655 debug((27, "reset_window() -- Forced deinit"));
1661 /* Oh, looks like we're minimised */
1662 if (win_width == 0 || win_height == 0)
1665 /* Is the window out of position ? */
1667 (offset_width != (win_width-font_width*term->cols)/2 ||
1668 offset_height != (win_height-font_height*term->rows)/2) ){
1669 offset_width = (win_width-font_width*term->cols)/2;
1670 offset_height = (win_height-font_height*term->rows)/2;
1671 InvalidateRect(hwnd, NULL, TRUE);
1672 #ifdef RDB_DEBUG_PATCH
1673 debug((27, "reset_window() -> Reposition terminal"));
1677 if (IsZoomed(hwnd)) {
1678 /* We're fullscreen, this means we must not change the size of
1679 * the window so it's the font size or the terminal itself.
1682 extra_width = wr.right - wr.left - cr.right + cr.left;
1683 extra_height = wr.bottom - wr.top - cr.bottom + cr.top;
1685 if (cfg.resize_action != RESIZE_TERM) {
1686 if ( font_width != win_width/term->cols ||
1687 font_height != win_height/term->rows) {
1689 init_fonts(win_width/term->cols, win_height/term->rows);
1690 offset_width = (win_width-font_width*term->cols)/2;
1691 offset_height = (win_height-font_height*term->rows)/2;
1692 InvalidateRect(hwnd, NULL, TRUE);
1693 #ifdef RDB_DEBUG_PATCH
1694 debug((25, "reset_window() -> Z font resize to (%d, %d)",
1695 font_width, font_height));
1699 if ( font_width * term->cols != win_width ||
1700 font_height * term->rows != win_height) {
1701 /* Our only choice at this point is to change the
1702 * size of the terminal; Oh well.
1704 term_size(term, win_height/font_height, win_width/font_width,
1706 offset_width = (win_width-font_width*term->cols)/2;
1707 offset_height = (win_height-font_height*term->rows)/2;
1708 InvalidateRect(hwnd, NULL, TRUE);
1709 #ifdef RDB_DEBUG_PATCH
1710 debug((27, "reset_window() -> Zoomed term_size"));
1717 /* Hmm, a force re-init means we should ignore the current window
1718 * so we resize to the default font size.
1721 #ifdef RDB_DEBUG_PATCH
1722 debug((27, "reset_window() -> Forced re-init"));
1725 offset_width = offset_height = cfg.window_border;
1726 extra_width = wr.right - wr.left - cr.right + cr.left + offset_width*2;
1727 extra_height = wr.bottom - wr.top - cr.bottom + cr.top +offset_height*2;
1729 if (win_width != font_width*term->cols + offset_width*2 ||
1730 win_height != font_height*term->rows + offset_height*2) {
1732 /* If this is too large windows will resize it to the maximum
1733 * allowed window size, we will then be back in here and resize
1734 * the font or terminal to fit.
1736 SetWindowPos(hwnd, NULL, 0, 0,
1737 font_width*term->cols + extra_width,
1738 font_height*term->rows + extra_height,
1739 SWP_NOMOVE | SWP_NOZORDER);
1742 InvalidateRect(hwnd, NULL, TRUE);
1746 /* Okay the user doesn't want us to change the font so we try the
1747 * window. But that may be too big for the screen which forces us
1748 * to change the terminal.
1750 if ((cfg.resize_action == RESIZE_TERM && reinit<=0) ||
1751 (cfg.resize_action == RESIZE_EITHER && reinit<0) ||
1753 offset_width = offset_height = cfg.window_border;
1754 extra_width = wr.right - wr.left - cr.right + cr.left + offset_width*2;
1755 extra_height = wr.bottom - wr.top - cr.bottom + cr.top +offset_height*2;
1757 if (win_width != font_width*term->cols + offset_width*2 ||
1758 win_height != font_height*term->rows + offset_height*2) {
1763 get_fullscreen_rect(&ss);
1765 width = (ss.right - ss.left - extra_width) / font_width;
1766 height = (ss.bottom - ss.top - extra_height) / font_height;
1769 if ( term->rows > height || term->cols > width ) {
1770 if (cfg.resize_action == RESIZE_EITHER) {
1771 /* Make the font the biggest we can */
1772 if (term->cols > width)
1773 font_width = (ss.right - ss.left - extra_width)
1775 if (term->rows > height)
1776 font_height = (ss.bottom - ss.top - extra_height)
1780 init_fonts(font_width, font_height);
1782 width = (ss.right - ss.left - extra_width) / font_width;
1783 height = (ss.bottom - ss.top - extra_height) / font_height;
1785 if ( height > term->rows ) height = term->rows;
1786 if ( width > term->cols ) width = term->cols;
1787 term_size(term, height, width, cfg.savelines);
1788 #ifdef RDB_DEBUG_PATCH
1789 debug((27, "reset_window() -> term resize to (%d,%d)",
1795 SetWindowPos(hwnd, NULL, 0, 0,
1796 font_width*term->cols + extra_width,
1797 font_height*term->rows + extra_height,
1798 SWP_NOMOVE | SWP_NOZORDER);
1800 InvalidateRect(hwnd, NULL, TRUE);
1801 #ifdef RDB_DEBUG_PATCH
1802 debug((27, "reset_window() -> window resize to (%d,%d)",
1803 font_width*term->cols + extra_width,
1804 font_height*term->rows + extra_height));
1810 /* We're allowed to or must change the font but do we want to ? */
1812 if (font_width != (win_width-cfg.window_border*2)/term->cols ||
1813 font_height != (win_height-cfg.window_border*2)/term->rows) {
1816 init_fonts((win_width-cfg.window_border*2)/term->cols,
1817 (win_height-cfg.window_border*2)/term->rows);
1818 offset_width = (win_width-font_width*term->cols)/2;
1819 offset_height = (win_height-font_height*term->rows)/2;
1821 extra_width = wr.right - wr.left - cr.right + cr.left +offset_width*2;
1822 extra_height = wr.bottom - wr.top - cr.bottom + cr.top+offset_height*2;
1824 InvalidateRect(hwnd, NULL, TRUE);
1825 #ifdef RDB_DEBUG_PATCH
1826 debug((25, "reset_window() -> font resize to (%d,%d)",
1827 font_width, font_height));
1832 static void set_input_locale(HKL kl)
1836 GetLocaleInfo(LOWORD(kl), LOCALE_IDEFAULTANSICODEPAGE,
1837 lbuf, sizeof(lbuf));
1839 kbd_codepage = atoi(lbuf);
1842 static void click(Mouse_Button b, int x, int y, int shift, int ctrl, int alt)
1844 int thistime = GetMessageTime();
1846 if (send_raw_mouse && !(cfg.mouse_override && shift)) {
1847 lastbtn = MBT_NOTHING;
1848 term_mouse(term, b, translate_button(b), MA_CLICK,
1849 x, y, shift, ctrl, alt);
1853 if (lastbtn == b && thistime - lasttime < dbltime) {
1854 lastact = (lastact == MA_CLICK ? MA_2CLK :
1855 lastact == MA_2CLK ? MA_3CLK :
1856 lastact == MA_3CLK ? MA_CLICK : MA_NOTHING);
1861 if (lastact != MA_NOTHING)
1862 term_mouse(term, b, translate_button(b), lastact,
1863 x, y, shift, ctrl, alt);
1864 lasttime = thistime;
1868 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
1869 * into a cooked one (SELECT, EXTEND, PASTE).
1871 static Mouse_Button translate_button(Mouse_Button button)
1873 if (button == MBT_LEFT)
1875 if (button == MBT_MIDDLE)
1876 return cfg.mouse_is_xterm == 1 ? MBT_PASTE : MBT_EXTEND;
1877 if (button == MBT_RIGHT)
1878 return cfg.mouse_is_xterm == 1 ? MBT_EXTEND : MBT_PASTE;
1879 return 0; /* shouldn't happen */
1882 static void show_mouseptr(int show)
1884 /* NB that the counter in ShowCursor() is also frobbed by
1885 * update_mouse_pointer() */
1886 static int cursor_visible = 1;
1887 if (!cfg.hide_mouseptr) /* override if this feature disabled */
1889 if (cursor_visible && !show)
1891 else if (!cursor_visible && show)
1893 cursor_visible = show;
1896 static int is_alt_pressed(void)
1899 int r = GetKeyboardState(keystate);
1902 if (keystate[VK_MENU] & 0x80)
1904 if (keystate[VK_RMENU] & 0x80)
1909 static int is_shift_pressed(void)
1912 int r = GetKeyboardState(keystate);
1915 if (keystate[VK_SHIFT] & 0x80)
1920 static int resizing;
1922 void notify_remote_exit(void *fe)
1926 if (!session_closed &&
1927 (exitcode = back->exitcode(backhandle)) >= 0) {
1928 /* Abnormal exits will already have set session_closed and taken
1929 * appropriate action. */
1930 if (cfg.close_on_exit == FORCE_ON ||
1931 (cfg.close_on_exit == AUTO && exitcode != INT_MAX)) {
1934 must_close_session = TRUE;
1935 session_closed = TRUE;
1936 /* exitcode == INT_MAX indicates that the connection was closed
1937 * by a fatal error, so an error box will be coming our way and
1938 * we should not generate this informational one. */
1939 if (exitcode != INT_MAX)
1940 MessageBox(hwnd, "Connection closed by remote host",
1941 appname, MB_OK | MB_ICONINFORMATION);
1946 void timer_change_notify(long next)
1948 long ticks = next - GETTICKCOUNT();
1949 if (ticks <= 0) ticks = 1; /* just in case */
1950 KillTimer(hwnd, TIMING_TIMER_ID);
1951 SetTimer(hwnd, TIMING_TIMER_ID, ticks, NULL);
1952 timing_next_time = next;
1955 static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
1956 WPARAM wParam, LPARAM lParam)
1959 static int ignore_clip = FALSE;
1960 static int need_backend_resize = FALSE;
1961 static int fullscr_on_max = FALSE;
1962 static UINT last_mousemove = 0;
1966 if ((UINT_PTR)wParam == TIMING_TIMER_ID) {
1969 KillTimer(hwnd, TIMING_TIMER_ID);
1970 if (run_timers(timing_next_time, &next)) {
1971 timer_change_notify(next);
1982 str = dupprintf("%s Exit Confirmation", appname);
1983 if (!cfg.warn_on_close || session_closed ||
1985 "Are you sure you want to close this session?",
1986 str, MB_ICONWARNING | MB_OKCANCEL | MB_DEFBUTTON1)
1988 DestroyWindow(hwnd);
1996 case WM_INITMENUPOPUP:
1997 if ((HMENU)wParam == savedsess_menu) {
1998 /* About to pop up Saved Sessions sub-menu.
1999 * Refresh the session list. */
2000 get_sesslist(&sesslist, FALSE); /* free */
2001 get_sesslist(&sesslist, TRUE);
2002 update_savedsess_menu();
2008 switch (wParam & ~0xF) { /* low 4 bits reserved to Windows */
2019 BOOL inherit_handles;
2021 PROCESS_INFORMATION pi;
2022 HANDLE filemap = NULL;
2024 if (wParam == IDM_DUPSESS) {
2026 * Allocate a file-mapping memory chunk for the
2029 SECURITY_ATTRIBUTES sa;
2032 sa.nLength = sizeof(sa);
2033 sa.lpSecurityDescriptor = NULL;
2034 sa.bInheritHandle = TRUE;
2035 filemap = CreateFileMapping(INVALID_HANDLE_VALUE,
2038 0, sizeof(Config), NULL);
2039 if (filemap && filemap != INVALID_HANDLE_VALUE) {
2040 p = (Config *) MapViewOfFile(filemap,
2042 0, 0, sizeof(Config));
2044 *p = cfg; /* structure copy */
2048 inherit_handles = TRUE;
2049 sprintf(c, "putty &%p", filemap);
2051 } else if (wParam == IDM_SAVEDSESS) {
2052 unsigned int sessno = ((lParam - IDM_SAVED_MIN)
2053 / MENU_SAVED_STEP) + 1;
2054 if (sessno < (unsigned)sesslist.nsessions) {
2055 char *session = sesslist.sessions[sessno];
2056 /* XXX spaces? quotes? "-load"? */
2057 cl = dupprintf("putty @%s", session);
2058 inherit_handles = FALSE;
2062 } else /* IDM_NEWSESS */ {
2064 inherit_handles = FALSE;
2067 GetModuleFileName(NULL, b, sizeof(b) - 1);
2069 si.lpReserved = NULL;
2070 si.lpDesktop = NULL;
2074 si.lpReserved2 = NULL;
2075 CreateProcess(b, cl, NULL, NULL, inherit_handles,
2076 NORMAL_PRIORITY_CLASS, NULL, NULL, &si, &pi);
2079 CloseHandle(filemap);
2086 logevent(NULL, "----- Session restarted -----");
2087 term_pwron(term, FALSE);
2096 int reconfig_result;
2101 reconfiguring = TRUE;
2103 GetWindowText(hwnd, cfg.wintitle, sizeof(cfg.wintitle));
2107 do_reconfig(hwnd, back ? back->cfg_info(backhandle) : 0);
2108 reconfiguring = FALSE;
2109 if (!reconfig_result)
2113 /* Disable full-screen if resizing forbidden */
2114 HMENU m = GetSystemMenu (hwnd, FALSE);
2115 EnableMenuItem(m, IDM_FULLSCREEN, MF_BYCOMMAND |
2116 (cfg.resize_action == RESIZE_DISABLED)
2117 ? MF_GRAYED : MF_ENABLED);
2118 /* Gracefully unzoom if necessary */
2119 if (IsZoomed(hwnd) &&
2120 (cfg.resize_action == RESIZE_DISABLED)) {
2121 ShowWindow(hwnd, SW_RESTORE);
2125 /* Pass new config data to the logging module */
2126 log_reconfig(logctx, &cfg);
2130 * Flush the line discipline's edit buffer in the
2131 * case where local editing has just been disabled.
2134 ldisc_send(ldisc, NULL, 0, 0);
2142 /* Pass new config data to the terminal */
2143 term_reconfig(term, &cfg);
2145 /* Pass new config data to the back end */
2147 back->reconfig(backhandle, &cfg);
2149 /* Screen size changed ? */
2150 if (cfg.height != prev_cfg.height ||
2151 cfg.width != prev_cfg.width ||
2152 cfg.savelines != prev_cfg.savelines ||
2153 cfg.resize_action == RESIZE_FONT ||
2154 (cfg.resize_action == RESIZE_EITHER && IsZoomed(hwnd)) ||
2155 cfg.resize_action == RESIZE_DISABLED)
2156 term_size(term, cfg.height, cfg.width, cfg.savelines);
2158 /* Enable or disable the scroll bar, etc */
2160 LONG nflg, flag = GetWindowLongPtr(hwnd, GWL_STYLE);
2161 LONG nexflag, exflag =
2162 GetWindowLongPtr(hwnd, GWL_EXSTYLE);
2165 if (cfg.alwaysontop != prev_cfg.alwaysontop) {
2166 if (cfg.alwaysontop) {
2167 nexflag |= WS_EX_TOPMOST;
2168 SetWindowPos(hwnd, HWND_TOPMOST, 0, 0, 0, 0,
2169 SWP_NOMOVE | SWP_NOSIZE);
2171 nexflag &= ~(WS_EX_TOPMOST);
2172 SetWindowPos(hwnd, HWND_NOTOPMOST, 0, 0, 0, 0,
2173 SWP_NOMOVE | SWP_NOSIZE);
2176 if (cfg.sunken_edge)
2177 nexflag |= WS_EX_CLIENTEDGE;
2179 nexflag &= ~(WS_EX_CLIENTEDGE);
2182 if (is_full_screen() ?
2183 cfg.scrollbar_in_fullscreen : cfg.scrollbar)
2186 nflg &= ~WS_VSCROLL;
2188 if (cfg.resize_action == RESIZE_DISABLED ||
2190 nflg &= ~WS_THICKFRAME;
2192 nflg |= WS_THICKFRAME;
2194 if (cfg.resize_action == RESIZE_DISABLED)
2195 nflg &= ~WS_MAXIMIZEBOX;
2197 nflg |= WS_MAXIMIZEBOX;
2199 if (nflg != flag || nexflag != exflag) {
2201 SetWindowLongPtr(hwnd, GWL_STYLE, nflg);
2202 if (nexflag != exflag)
2203 SetWindowLongPtr(hwnd, GWL_EXSTYLE, nexflag);
2205 SetWindowPos(hwnd, NULL, 0, 0, 0, 0,
2206 SWP_NOACTIVATE | SWP_NOCOPYBITS |
2207 SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER |
2215 if (cfg.resize_action == RESIZE_DISABLED && IsZoomed(hwnd)) {
2220 set_title(NULL, cfg.wintitle);
2221 if (IsIconic(hwnd)) {
2223 cfg.win_name_always ? window_name :
2227 if (strcmp(cfg.font.name, prev_cfg.font.name) != 0 ||
2228 strcmp(cfg.line_codepage, prev_cfg.line_codepage) != 0 ||
2229 cfg.font.isbold != prev_cfg.font.isbold ||
2230 cfg.font.height != prev_cfg.font.height ||
2231 cfg.font.charset != prev_cfg.font.charset ||
2232 cfg.font_quality != prev_cfg.font_quality ||
2233 cfg.vtmode != prev_cfg.vtmode ||
2234 cfg.bold_colour != prev_cfg.bold_colour ||
2235 cfg.resize_action == RESIZE_DISABLED ||
2236 cfg.resize_action == RESIZE_EITHER ||
2237 (cfg.resize_action != prev_cfg.resize_action))
2240 InvalidateRect(hwnd, NULL, TRUE);
2241 reset_window(init_lvl);
2242 net_pending_errors();
2249 term_do_paste(term);
2255 term_pwron(term, TRUE);
2257 ldisc_send(ldisc, NULL, 0, 0);
2263 launch_help(hwnd, NULL);
2267 * We get this if the System menu has been activated
2274 * We get this if the System menu has been activated
2275 * using the keyboard. This might happen from within
2276 * TranslateKey, in which case it really wants to be
2277 * followed by a `space' character to actually _bring
2278 * the menu up_ rather than just sitting there in
2279 * `ready to appear' state.
2281 show_mouseptr(1); /* make sure pointer is visible */
2283 PostMessage(hwnd, WM_CHAR, ' ', 0);
2285 case IDM_FULLSCREEN:
2289 if (wParam >= IDM_SAVED_MIN && wParam < IDM_SAVED_MAX) {
2290 SendMessage(hwnd, WM_SYSCOMMAND, IDM_SAVEDSESS, wParam);
2292 if (wParam >= IDM_SPECIAL_MIN && wParam <= IDM_SPECIAL_MAX) {
2293 int i = (wParam - IDM_SPECIAL_MIN) / 0x10;
2295 * Ensure we haven't been sent a bogus SYSCOMMAND
2296 * which would cause us to reference invalid memory
2297 * and crash. Perhaps I'm just too paranoid here.
2299 if (i >= n_specials)
2302 back->special(backhandle, specials[i].code);
2303 net_pending_errors();
2308 #define X_POS(l) ((int)(short)LOWORD(l))
2309 #define Y_POS(l) ((int)(short)HIWORD(l))
2311 #define TO_CHR_X(x) ((((x)<0 ? (x)-font_width+1 : (x))-offset_width) / font_width)
2312 #define TO_CHR_Y(y) ((((y)<0 ? (y)-font_height+1: (y))-offset_height) / font_height)
2313 case WM_LBUTTONDOWN:
2314 case WM_MBUTTONDOWN:
2315 case WM_RBUTTONDOWN:
2319 if (message == WM_RBUTTONDOWN &&
2320 ((wParam & MK_CONTROL) || (cfg.mouse_is_xterm == 2))) {
2323 show_mouseptr(1); /* make sure pointer is visible */
2324 GetCursorPos(&cursorpos);
2325 TrackPopupMenu(popup_menus[CTXMENU].menu,
2326 TPM_LEFTALIGN | TPM_TOPALIGN | TPM_RIGHTBUTTON,
2327 cursorpos.x, cursorpos.y,
2335 case WM_LBUTTONDOWN:
2339 case WM_MBUTTONDOWN:
2340 button = MBT_MIDDLE;
2343 case WM_RBUTTONDOWN:
2352 button = MBT_MIDDLE;
2360 button = press = 0; /* shouldn't happen */
2364 * Special case: in full-screen mode, if the left
2365 * button is clicked in the very top left corner of the
2366 * window, we put up the System menu instead of doing
2370 char mouse_on_hotspot = 0;
2379 mon = MonitorFromPoint(pt, MONITOR_DEFAULTTONULL);
2382 mi.cbSize = sizeof(MONITORINFO);
2383 GetMonitorInfo(mon, &mi);
2385 if (mi.rcMonitor.left == pt.x &&
2386 mi.rcMonitor.top == pt.y) {
2387 mouse_on_hotspot = 1;
2392 if (pt.x == 0 && pt.y == 0) {
2393 mouse_on_hotspot = 1;
2396 if (is_full_screen() && press &&
2397 button == MBT_LEFT && mouse_on_hotspot) {
2398 SendMessage(hwnd, WM_SYSCOMMAND, SC_MOUSEMENU,
2399 MAKELPARAM(pt.x, pt.y));
2406 TO_CHR_X(X_POS(lParam)), TO_CHR_Y(Y_POS(lParam)),
2407 wParam & MK_SHIFT, wParam & MK_CONTROL,
2411 term_mouse(term, button, translate_button(button), MA_RELEASE,
2412 TO_CHR_X(X_POS(lParam)),
2413 TO_CHR_Y(Y_POS(lParam)), wParam & MK_SHIFT,
2414 wParam & MK_CONTROL, is_alt_pressed());
2422 * Windows seems to like to occasionally send MOUSEMOVE
2423 * events even if the mouse hasn't moved. Don't unhide
2424 * the mouse pointer in this case.
2426 static WPARAM wp = 0;
2427 static LPARAM lp = 0;
2428 if (wParam != wp || lParam != lp ||
2429 last_mousemove != WM_MOUSEMOVE) {
2431 wp = wParam; lp = lParam;
2432 last_mousemove = WM_MOUSEMOVE;
2436 * Add the mouse position and message time to the random
2439 noise_ultralight(lParam);
2441 if (wParam & (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON) &&
2442 GetCapture() == hwnd) {
2444 if (wParam & MK_LBUTTON)
2446 else if (wParam & MK_MBUTTON)
2450 term_mouse(term, b, translate_button(b), MA_DRAG,
2451 TO_CHR_X(X_POS(lParam)),
2452 TO_CHR_Y(Y_POS(lParam)), wParam & MK_SHIFT,
2453 wParam & MK_CONTROL, is_alt_pressed());
2456 case WM_NCMOUSEMOVE:
2458 static WPARAM wp = 0;
2459 static LPARAM lp = 0;
2460 if (wParam != wp || lParam != lp ||
2461 last_mousemove != WM_NCMOUSEMOVE) {
2463 wp = wParam; lp = lParam;
2464 last_mousemove = WM_NCMOUSEMOVE;
2467 noise_ultralight(lParam);
2469 case WM_IGNORE_CLIP:
2470 ignore_clip = wParam; /* don't panic on DESTROYCLIPBOARD */
2472 case WM_DESTROYCLIPBOARD:
2474 term_deselect(term);
2475 ignore_clip = FALSE;
2482 hdc = BeginPaint(hwnd, &p);
2484 SelectPalette(hdc, pal, TRUE);
2485 RealizePalette(hdc);
2489 * We have to be careful about term_paint(). It will
2490 * set a bunch of character cells to INVALID and then
2491 * call do_paint(), which will redraw those cells and
2492 * _then mark them as done_. This may not be accurate:
2493 * when painting in WM_PAINT context we are restricted
2494 * to the rectangle which has just been exposed - so if
2495 * that only covers _part_ of a character cell and the
2496 * rest of it was already visible, that remainder will
2497 * not be redrawn at all. Accordingly, we must not
2498 * paint any character cell in a WM_PAINT context which
2499 * already has a pending update due to terminal output.
2500 * The simplest solution to this - and many, many
2501 * thanks to Hung-Te Lin for working all this out - is
2502 * not to do any actual painting at _all_ if there's a
2503 * pending terminal update: just mark the relevant
2504 * character cells as INVALID and wait for the
2505 * scheduled full update to sort it out.
2507 * I have a suspicion this isn't the _right_ solution.
2508 * An alternative approach would be to have terminal.c
2509 * separately track what _should_ be on the terminal
2510 * screen and what _is_ on the terminal screen, and
2511 * have two completely different types of redraw (one
2512 * for full updates, which syncs the former with the
2513 * terminal itself, and one for WM_PAINT which syncs
2514 * the latter with the former); yet another possibility
2515 * would be to have the Windows front end do what the
2516 * GTK one already does, and maintain a bitmap of the
2517 * current terminal appearance so that WM_PAINT becomes
2518 * completely trivial. However, this should do for now.
2520 term_paint(term, hdc,
2521 (p.rcPaint.left-offset_width)/font_width,
2522 (p.rcPaint.top-offset_height)/font_height,
2523 (p.rcPaint.right-offset_width-1)/font_width,
2524 (p.rcPaint.bottom-offset_height-1)/font_height,
2525 !term->window_update_pending);
2528 p.rcPaint.left < offset_width ||
2529 p.rcPaint.top < offset_height ||
2530 p.rcPaint.right >= offset_width + font_width*term->cols ||
2531 p.rcPaint.bottom>= offset_height + font_height*term->rows)
2533 HBRUSH fillcolour, oldbrush;
2535 fillcolour = CreateSolidBrush (
2536 colours[ATTR_DEFBG>>ATTR_BGSHIFT]);
2537 oldbrush = SelectObject(hdc, fillcolour);
2538 edge = CreatePen(PS_SOLID, 0,
2539 colours[ATTR_DEFBG>>ATTR_BGSHIFT]);
2540 oldpen = SelectObject(hdc, edge);
2543 * Jordan Russell reports that this apparently
2544 * ineffectual IntersectClipRect() call masks a
2545 * Windows NT/2K bug causing strange display
2546 * problems when the PuTTY window is taller than
2547 * the primary monitor. It seems harmless enough...
2549 IntersectClipRect(hdc,
2550 p.rcPaint.left, p.rcPaint.top,
2551 p.rcPaint.right, p.rcPaint.bottom);
2553 ExcludeClipRect(hdc,
2554 offset_width, offset_height,
2555 offset_width+font_width*term->cols,
2556 offset_height+font_height*term->rows);
2558 Rectangle(hdc, p.rcPaint.left, p.rcPaint.top,
2559 p.rcPaint.right, p.rcPaint.bottom);
2561 /* SelectClipRgn(hdc, NULL); */
2563 SelectObject(hdc, oldbrush);
2564 DeleteObject(fillcolour);
2565 SelectObject(hdc, oldpen);
2568 SelectObject(hdc, GetStockObject(SYSTEM_FONT));
2569 SelectObject(hdc, GetStockObject(WHITE_PEN));
2575 /* Notice we can get multiple netevents, FD_READ, FD_WRITE etc
2576 * but the only one that's likely to try to overload us is FD_READ.
2577 * This means buffering just one is fine.
2579 if (pending_netevent)
2580 enact_pending_netevent();
2582 pending_netevent = TRUE;
2583 pend_netevent_wParam = wParam;
2584 pend_netevent_lParam = lParam;
2585 if (WSAGETSELECTEVENT(lParam) != FD_READ)
2586 enact_pending_netevent();
2588 net_pending_errors();
2591 term_set_focus(term, TRUE);
2592 CreateCaret(hwnd, caretbm, font_width, font_height);
2594 flash_window(0); /* stop */
2600 term_set_focus(term, FALSE);
2602 caret_x = caret_y = -1; /* ensure caret is replaced next time */
2605 case WM_ENTERSIZEMOVE:
2606 #ifdef RDB_DEBUG_PATCH
2607 debug((27, "WM_ENTERSIZEMOVE"));
2611 need_backend_resize = FALSE;
2613 case WM_EXITSIZEMOVE:
2616 #ifdef RDB_DEBUG_PATCH
2617 debug((27, "WM_EXITSIZEMOVE"));
2619 if (need_backend_resize) {
2620 term_size(term, cfg.height, cfg.width, cfg.savelines);
2621 InvalidateRect(hwnd, NULL, TRUE);
2626 * This does two jobs:
2627 * 1) Keep the sizetip uptodate
2628 * 2) Make sure the window size is _stepped_ in units of the font size.
2630 if (cfg.resize_action != RESIZE_FONT && !is_alt_pressed()) {
2631 int width, height, w, h, ew, eh;
2632 LPRECT r = (LPRECT) lParam;
2634 if ( !need_backend_resize && cfg.resize_action == RESIZE_EITHER &&
2635 (cfg.height != term->rows || cfg.width != term->cols )) {
2637 * Great! It seems that both the terminal size and the
2638 * font size have been changed and the user is now dragging.
2640 * It will now be difficult to get back to the configured
2643 * This would be easier but it seems to be too confusing.
2645 term_size(term, cfg.height, cfg.width, cfg.savelines);
2648 cfg.height=term->rows; cfg.width=term->cols;
2650 InvalidateRect(hwnd, NULL, TRUE);
2651 need_backend_resize = TRUE;
2654 width = r->right - r->left - extra_width;
2655 height = r->bottom - r->top - extra_height;
2656 w = (width + font_width / 2) / font_width;
2659 h = (height + font_height / 2) / font_height;
2662 UpdateSizeTip(hwnd, w, h);
2663 ew = width - w * font_width;
2664 eh = height - h * font_height;
2666 if (wParam == WMSZ_LEFT ||
2667 wParam == WMSZ_BOTTOMLEFT || wParam == WMSZ_TOPLEFT)
2673 if (wParam == WMSZ_TOP ||
2674 wParam == WMSZ_TOPRIGHT || wParam == WMSZ_TOPLEFT)
2684 int width, height, w, h, rv = 0;
2685 int ex_width = extra_width + (cfg.window_border - offset_width) * 2;
2686 int ex_height = extra_height + (cfg.window_border - offset_height) * 2;
2687 LPRECT r = (LPRECT) lParam;
2689 width = r->right - r->left - ex_width;
2690 height = r->bottom - r->top - ex_height;
2692 w = (width + term->cols/2)/term->cols;
2693 h = (height + term->rows/2)/term->rows;
2694 if ( r->right != r->left + w*term->cols + ex_width)
2697 if (wParam == WMSZ_LEFT ||
2698 wParam == WMSZ_BOTTOMLEFT || wParam == WMSZ_TOPLEFT)
2699 r->left = r->right - w*term->cols - ex_width;
2701 r->right = r->left + w*term->cols + ex_width;
2703 if (r->bottom != r->top + h*term->rows + ex_height)
2706 if (wParam == WMSZ_TOP ||
2707 wParam == WMSZ_TOPRIGHT || wParam == WMSZ_TOPLEFT)
2708 r->top = r->bottom - h*term->rows - ex_height;
2710 r->bottom = r->top + h*term->rows + ex_height;
2714 /* break; (never reached) */
2715 case WM_FULLSCR_ON_MAX:
2716 fullscr_on_max = TRUE;
2719 sys_cursor_update();
2722 #ifdef RDB_DEBUG_PATCH
2723 debug((27, "WM_SIZE %s (%d,%d)",
2724 (wParam == SIZE_MINIMIZED) ? "SIZE_MINIMIZED":
2725 (wParam == SIZE_MAXIMIZED) ? "SIZE_MAXIMIZED":
2726 (wParam == SIZE_RESTORED && resizing) ? "to":
2727 (wParam == SIZE_RESTORED) ? "SIZE_RESTORED":
2729 LOWORD(lParam), HIWORD(lParam)));
2731 if (wParam == SIZE_MINIMIZED)
2733 cfg.win_name_always ? window_name : icon_name);
2734 if (wParam == SIZE_RESTORED || wParam == SIZE_MAXIMIZED)
2735 SetWindowText(hwnd, window_name);
2736 if (wParam == SIZE_RESTORED)
2737 clear_full_screen();
2738 if (wParam == SIZE_MAXIMIZED && fullscr_on_max) {
2739 fullscr_on_max = FALSE;
2743 if (cfg.resize_action == RESIZE_DISABLED) {
2744 /* A resize, well it better be a minimize. */
2748 int width, height, w, h;
2750 width = LOWORD(lParam);
2751 height = HIWORD(lParam);
2754 if (wParam == SIZE_MAXIMIZED && !was_zoomed) {
2756 prev_rows = term->rows;
2757 prev_cols = term->cols;
2758 if (cfg.resize_action == RESIZE_TERM) {
2759 w = width / font_width;
2761 h = height / font_height;
2764 term_size(term, h, w, cfg.savelines);
2767 } else if (wParam == SIZE_RESTORED && was_zoomed) {
2769 if (cfg.resize_action == RESIZE_TERM)
2770 term_size(term, prev_rows, prev_cols, cfg.savelines);
2771 if (cfg.resize_action != RESIZE_FONT)
2776 /* This is an unexpected resize, these will normally happen
2777 * if the window is too large. Probably either the user
2778 * selected a huge font or the screen size has changed.
2780 * This is also called with minimize.
2782 else reset_window(-1);
2786 * Don't call back->size in mid-resize. (To prevent
2787 * massive numbers of resize events getting sent
2788 * down the connection during an NT opaque drag.)
2791 if (cfg.resize_action != RESIZE_FONT && !is_alt_pressed()) {
2792 need_backend_resize = TRUE;
2793 w = (width-cfg.window_border*2) / font_width;
2795 h = (height-cfg.window_border*2) / font_height;
2804 sys_cursor_update();
2807 switch (LOWORD(wParam)) {
2809 term_scroll(term, -1, 0);
2812 term_scroll(term, +1, 0);
2815 term_scroll(term, 0, +1);
2818 term_scroll(term, 0, -1);
2821 term_scroll(term, 0, +term->rows / 2);
2824 term_scroll(term, 0, -term->rows / 2);
2826 case SB_THUMBPOSITION:
2828 term_scroll(term, 1, HIWORD(wParam));
2832 case WM_PALETTECHANGED:
2833 if ((HWND) wParam != hwnd && pal != NULL) {
2834 HDC hdc = get_ctx(NULL);
2836 if (RealizePalette(hdc) > 0)
2842 case WM_QUERYNEWPALETTE:
2844 HDC hdc = get_ctx(NULL);
2846 if (RealizePalette(hdc) > 0)
2858 * Add the scan code and keypress timing to the random
2861 noise_ultralight(lParam);
2864 * We don't do TranslateMessage since it disassociates the
2865 * resulting CHAR message from the KEYDOWN that sparked it,
2866 * which we occasionally don't want. Instead, we process
2867 * KEYDOWN, and call the Win32 translator functions so that
2868 * we get the translations under _our_ control.
2871 unsigned char buf[20];
2874 if (wParam == VK_PROCESSKEY) { /* IME PROCESS key */
2875 if (message == WM_KEYDOWN) {
2878 m.message = WM_KEYDOWN;
2880 m.lParam = lParam & 0xdfff;
2881 TranslateMessage(&m);
2882 } else break; /* pass to Windows for default processing */
2884 len = TranslateKey(message, wParam, lParam, buf);
2886 return DefWindowProc(hwnd, message, wParam, lParam);
2890 * Interrupt an ongoing paste. I'm not sure
2891 * this is sensible, but for the moment it's
2892 * preferable to having to faff about buffering
2898 * We need not bother about stdin backlogs
2899 * here, because in GUI PuTTY we can't do
2900 * anything about it anyway; there's no means
2901 * of asking Windows to hold off on KEYDOWN
2902 * messages. We _have_ to buffer everything
2905 term_seen_key_event(term);
2907 ldisc_send(ldisc, buf, len, 1);
2912 net_pending_errors();
2914 case WM_INPUTLANGCHANGE:
2915 /* wParam == Font number */
2916 /* lParam == Locale */
2917 set_input_locale((HKL)lParam);
2918 sys_cursor_update();
2920 case WM_IME_STARTCOMPOSITION:
2922 HIMC hImc = ImmGetContext(hwnd);
2923 ImmSetCompositionFont(hImc, &lfont);
2924 ImmReleaseContext(hwnd, hImc);
2927 case WM_IME_COMPOSITION:
2933 if(osVersion.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS ||
2934 osVersion.dwPlatformId == VER_PLATFORM_WIN32s) break; /* no Unicode */
2936 if ((lParam & GCS_RESULTSTR) == 0) /* Composition unfinished. */
2937 break; /* fall back to DefWindowProc */
2939 hIMC = ImmGetContext(hwnd);
2940 n = ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, NULL, 0);
2944 buff = snewn(n, char);
2945 ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, buff, n);
2947 * Jaeyoun Chung reports that Korean character
2948 * input doesn't work correctly if we do a single
2949 * luni_send() covering the whole of buff. So
2950 * instead we luni_send the characters one by one.
2952 term_seen_key_event(term);
2953 for (i = 0; i < n; i += 2) {
2955 luni_send(ldisc, (unsigned short *)(buff+i), 1, 1);
2959 ImmReleaseContext(hwnd, hIMC);
2964 if (wParam & 0xFF00) {
2965 unsigned char buf[2];
2968 buf[0] = wParam >> 8;
2969 term_seen_key_event(term);
2971 lpage_send(ldisc, kbd_codepage, buf, 2, 1);
2973 char c = (unsigned char) wParam;
2974 term_seen_key_event(term);
2976 lpage_send(ldisc, kbd_codepage, &c, 1, 1);
2982 * Nevertheless, we are prepared to deal with WM_CHAR
2983 * messages, should they crop up. So if someone wants to
2984 * post the things to us as part of a macro manoeuvre,
2985 * we're ready to cope.
2988 char c = (unsigned char)wParam;
2989 term_seen_key_event(term);
2991 lpage_send(ldisc, CP_ACP, &c, 1, 1);
2994 case WM_SYSCOLORCHANGE:
2995 if (cfg.system_colour) {
2996 /* Refresh palette from system colours. */
2997 /* XXX actually this zaps the entire palette. */
3000 /* Force a repaint of the terminal window. */
3001 term_invalidate(term);
3004 case WM_AGENT_CALLBACK:
3006 struct agent_callback *c = (struct agent_callback *)lParam;
3007 c->callback(c->callback_ctx, c->data, c->len);
3012 if (message == wm_mousewheel || message == WM_MOUSEWHEEL) {
3013 int shift_pressed=0, control_pressed=0;
3015 if (message == WM_MOUSEWHEEL) {
3016 wheel_accumulator += (short)HIWORD(wParam);
3017 shift_pressed=LOWORD(wParam) & MK_SHIFT;
3018 control_pressed=LOWORD(wParam) & MK_CONTROL;
3021 wheel_accumulator += (int)wParam;
3022 if (GetKeyboardState(keys)!=0) {
3023 shift_pressed=keys[VK_SHIFT]&0x80;
3024 control_pressed=keys[VK_CONTROL]&0x80;
3028 /* process events when the threshold is reached */
3029 while (abs(wheel_accumulator) >= WHEEL_DELTA) {
3032 /* reduce amount for next time */
3033 if (wheel_accumulator > 0) {
3035 wheel_accumulator -= WHEEL_DELTA;
3036 } else if (wheel_accumulator < 0) {
3038 wheel_accumulator += WHEEL_DELTA;
3042 if (send_raw_mouse &&
3043 !(cfg.mouse_override && shift_pressed)) {
3044 /* send a mouse-down followed by a mouse up */
3045 term_mouse(term, b, translate_button(b),
3047 TO_CHR_X(X_POS(lParam)),
3048 TO_CHR_Y(Y_POS(lParam)), shift_pressed,
3049 control_pressed, is_alt_pressed());
3050 term_mouse(term, b, translate_button(b),
3051 MA_RELEASE, TO_CHR_X(X_POS(lParam)),
3052 TO_CHR_Y(Y_POS(lParam)), shift_pressed,
3053 control_pressed, is_alt_pressed());
3055 /* trigger a scroll */
3056 term_scroll(term, 0,
3058 -term->rows / 2 : term->rows / 2);
3066 * Any messages we don't process completely above are passed through to
3067 * DefWindowProc() for default processing.
3069 return DefWindowProc(hwnd, message, wParam, lParam);
3073 * Move the system caret. (We maintain one, even though it's
3074 * invisible, for the benefit of blind people: apparently some
3075 * helper software tracks the system caret, so we should arrange to
3078 void sys_cursor(void *frontend, int x, int y)
3082 if (!term->has_focus) return;
3085 * Avoid gratuitously re-updating the cursor position and IMM
3086 * window if there's no actual change required.
3088 cx = x * font_width + offset_width;
3089 cy = y * font_height + offset_height;
3090 if (cx == caret_x && cy == caret_y)
3095 sys_cursor_update();
3098 static void sys_cursor_update(void)
3103 if (!term->has_focus) return;
3105 if (caret_x < 0 || caret_y < 0)
3108 SetCaretPos(caret_x, caret_y);
3110 /* IMM calls on Win98 and beyond only */
3111 if(osVersion.dwPlatformId == VER_PLATFORM_WIN32s) return; /* 3.11 */
3113 if(osVersion.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS &&
3114 osVersion.dwMinorVersion == 0) return; /* 95 */
3116 /* we should have the IMM functions */
3117 hIMC = ImmGetContext(hwnd);
3118 cf.dwStyle = CFS_POINT;
3119 cf.ptCurrentPos.x = caret_x;
3120 cf.ptCurrentPos.y = caret_y;
3121 ImmSetCompositionWindow(hIMC, &cf);
3123 ImmReleaseContext(hwnd, hIMC);
3127 * Draw a line of text in the window, at given character
3128 * coordinates, in given attributes.
3130 * We are allowed to fiddle with the contents of `text'.
3132 void do_text_internal(Context ctx, int x, int y, wchar_t *text, int len,
3133 unsigned long attr, int lattr)
3136 int nfg, nbg, nfont;
3139 int force_manual_underline = 0;
3140 int fnt_width, char_width;
3141 int text_adjust = 0;
3142 static int *IpDx = 0, IpDxLEN = 0;
3144 lattr &= LATTR_MODE;
3146 char_width = fnt_width = font_width * (1 + (lattr != LATTR_NORM));
3148 if (attr & ATTR_WIDE)
3151 if (len > IpDxLEN || IpDx[0] != char_width) {
3153 if (len > IpDxLEN) {
3155 IpDx = snewn(len + 16, int);
3156 IpDxLEN = (len + 16);
3158 for (i = 0; i < IpDxLEN; i++)
3159 IpDx[i] = char_width;
3162 /* Only want the left half of double width lines */
3163 if (lattr != LATTR_NORM && x*2 >= term->cols)
3171 if ((attr & TATTR_ACTCURS) && (cfg.cursor_type == 0 || term->big_cursor)) {
3172 attr &= ~(ATTR_REVERSE|ATTR_BLINK|ATTR_COLOURS);
3173 if (bold_mode == BOLD_COLOURS)
3176 /* cursor fg and bg */
3177 attr |= (260 << ATTR_FGSHIFT) | (261 << ATTR_BGSHIFT);
3181 if (cfg.vtmode == VT_POORMAN && lattr != LATTR_NORM) {
3182 /* Assume a poorman font is borken in other ways too. */
3192 nfont |= FONT_WIDE + FONT_HIGH;
3195 if (attr & ATTR_NARROW)
3196 nfont |= FONT_NARROW;
3198 /* Special hack for the VT100 linedraw glyphs. */
3199 if (text[0] >= 0x23BA && text[0] <= 0x23BD) {
3200 switch ((unsigned char) (text[0])) {
3202 text_adjust = -2 * font_height / 5;
3205 text_adjust = -1 * font_height / 5;
3208 text_adjust = font_height / 5;
3211 text_adjust = 2 * font_height / 5;
3214 if (lattr == LATTR_TOP || lattr == LATTR_BOT)
3216 text[0] = ucsdata.unitab_xterm['q'];
3217 if (attr & ATTR_UNDER) {
3218 attr &= ~ATTR_UNDER;
3219 force_manual_underline = 1;
3223 /* Anything left as an original character set is unprintable. */
3224 if (DIRECT_CHAR(text[0])) {
3226 for (i = 0; i < len; i++)
3231 if ((text[0] & CSET_MASK) == CSET_OEMCP)
3234 nfg = ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
3235 nbg = ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
3236 if (bold_mode == BOLD_FONT && (attr & ATTR_BOLD))
3238 if (und_mode == UND_FONT && (attr & ATTR_UNDER))
3239 nfont |= FONT_UNDERLINE;
3240 another_font(nfont);
3241 if (!fonts[nfont]) {
3242 if (nfont & FONT_UNDERLINE)
3243 force_manual_underline = 1;
3244 /* Don't do the same for manual bold, it could be bad news. */
3246 nfont &= ~(FONT_BOLD | FONT_UNDERLINE);
3248 another_font(nfont);
3250 nfont = FONT_NORMAL;
3251 if (attr & ATTR_REVERSE) {
3256 if (bold_mode == BOLD_COLOURS && (attr & ATTR_BOLD)) {
3257 if (nfg < 16) nfg |= 8;
3258 else if (nfg >= 256) nfg |= 1;
3260 if (bold_mode == BOLD_COLOURS && (attr & ATTR_BLINK)) {
3261 if (nbg < 16) nbg |= 8;
3262 else if (nbg >= 256) nbg |= 1;
3266 SelectObject(hdc, fonts[nfont]);
3267 SetTextColor(hdc, fg);
3268 SetBkColor(hdc, bg);
3269 if (attr & TATTR_COMBINING)
3270 SetBkMode(hdc, TRANSPARENT);
3272 SetBkMode(hdc, OPAQUE);
3275 line_box.right = x + char_width * len;
3276 line_box.bottom = y + font_height;
3278 /* Only want the left half of double width lines */
3279 if (line_box.right > font_width*term->cols+offset_width)
3280 line_box.right = font_width*term->cols+offset_width;
3282 /* We're using a private area for direct to font. (512 chars.) */
3283 if (ucsdata.dbcs_screenfont && (text[0] & CSET_MASK) == CSET_ACP) {
3284 /* Ho Hum, dbcs fonts are a PITA! */
3285 /* To display on W9x I have to convert to UCS */
3286 static wchar_t *uni_buf = 0;
3287 static int uni_len = 0;
3289 if (len > uni_len) {
3292 uni_buf = snewn(uni_len, wchar_t);
3295 for(nlen = mptr = 0; mptr<len; mptr++) {
3296 uni_buf[nlen] = 0xFFFD;
3297 if (IsDBCSLeadByteEx(ucsdata.font_codepage, (BYTE) text[mptr])) {
3299 dbcstext[0] = text[mptr] & 0xFF;
3300 dbcstext[1] = text[mptr+1] & 0xFF;
3301 IpDx[nlen] += char_width;
3302 MultiByteToWideChar(ucsdata.font_codepage, MB_USEGLYPHCHARS,
3303 dbcstext, 2, uni_buf+nlen, 1);
3309 dbcstext[0] = text[mptr] & 0xFF;
3310 MultiByteToWideChar(ucsdata.font_codepage, MB_USEGLYPHCHARS,
3311 dbcstext, 1, uni_buf+nlen, 1);
3319 y - font_height * (lattr == LATTR_BOT) + text_adjust,
3320 ETO_CLIPPED | ETO_OPAQUE, &line_box, uni_buf, nlen, IpDx);
3321 if (bold_mode == BOLD_SHADOW && (attr & ATTR_BOLD)) {
3322 SetBkMode(hdc, TRANSPARENT);
3323 ExtTextOutW(hdc, x - 1,
3324 y - font_height * (lattr ==
3325 LATTR_BOT) + text_adjust,
3326 ETO_CLIPPED, &line_box, uni_buf, nlen, IpDx);
3330 } else if (DIRECT_FONT(text[0])) {
3331 static char *directbuf = NULL;
3332 static int directlen = 0;
3334 if (len > directlen) {
3336 directbuf = sresize(directbuf, directlen, char);
3339 for (i = 0; i < len; i++)
3340 directbuf[i] = text[i] & 0xFF;
3343 y - font_height * (lattr == LATTR_BOT) + text_adjust,
3344 ETO_CLIPPED | ETO_OPAQUE, &line_box, directbuf, len, IpDx);
3345 if (bold_mode == BOLD_SHADOW && (attr & ATTR_BOLD)) {
3346 SetBkMode(hdc, TRANSPARENT);
3348 /* GRR: This draws the character outside it's box and can leave
3349 * 'droppings' even with the clip box! I suppose I could loop it
3350 * one character at a time ... yuk.
3352 * Or ... I could do a test print with "W", and use +1 or -1 for this
3353 * shift depending on if the leftmost column is blank...
3355 ExtTextOut(hdc, x - 1,
3356 y - font_height * (lattr ==
3357 LATTR_BOT) + text_adjust,
3358 ETO_CLIPPED, &line_box, directbuf, len, IpDx);
3361 /* And 'normal' unicode characters */
3362 static WCHAR *wbuf = NULL;
3363 static int wlen = 0;
3369 wbuf = snewn(wlen, WCHAR);
3372 for (i = 0; i < len; i++)
3375 /* print Glyphs as they are, without Windows' Shaping*/
3376 general_textout(hdc, x, y - font_height * (lattr == LATTR_BOT) + text_adjust,
3377 &line_box, wbuf, len, IpDx, !(attr & TATTR_COMBINING));
3379 /* And the shadow bold hack. */
3380 if (bold_mode == BOLD_SHADOW && (attr & ATTR_BOLD)) {
3381 SetBkMode(hdc, TRANSPARENT);
3382 ExtTextOutW(hdc, x - 1,
3383 y - font_height * (lattr ==
3384 LATTR_BOT) + text_adjust,
3385 ETO_CLIPPED, &line_box, wbuf, len, IpDx);
3388 if (lattr != LATTR_TOP && (force_manual_underline ||
3389 (und_mode == UND_LINE
3390 && (attr & ATTR_UNDER)))) {
3393 if (lattr == LATTR_BOT)
3394 dec = dec * 2 - font_height;
3396 oldpen = SelectObject(hdc, CreatePen(PS_SOLID, 0, fg));
3397 MoveToEx(hdc, x, y + dec, NULL);
3398 LineTo(hdc, x + len * char_width, y + dec);
3399 oldpen = SelectObject(hdc, oldpen);
3400 DeleteObject(oldpen);
3405 * Wrapper that handles combining characters.
3407 void do_text(Context ctx, int x, int y, wchar_t *text, int len,
3408 unsigned long attr, int lattr)
3410 if (attr & TATTR_COMBINING) {
3411 unsigned long a = 0;
3412 attr &= ~TATTR_COMBINING;
3414 do_text_internal(ctx, x, y, text, 1, attr | a, lattr);
3416 a = TATTR_COMBINING;
3419 do_text_internal(ctx, x, y, text, len, attr, lattr);
3422 void do_cursor(Context ctx, int x, int y, wchar_t *text, int len,
3423 unsigned long attr, int lattr)
3429 int ctype = cfg.cursor_type;
3431 lattr &= LATTR_MODE;
3433 if ((attr & TATTR_ACTCURS) && (ctype == 0 || term->big_cursor)) {
3434 if (*text != UCSWIDE) {
3435 do_text(ctx, x, y, text, len, attr, lattr);
3439 attr |= TATTR_RIGHTCURS;
3442 fnt_width = char_width = font_width * (1 + (lattr != LATTR_NORM));
3443 if (attr & ATTR_WIDE)
3450 if ((attr & TATTR_PASCURS) && (ctype == 0 || term->big_cursor)) {
3453 pts[0].x = pts[1].x = pts[4].x = x;
3454 pts[2].x = pts[3].x = x + char_width - 1;
3455 pts[0].y = pts[3].y = pts[4].y = y;
3456 pts[1].y = pts[2].y = y + font_height - 1;
3457 oldpen = SelectObject(hdc, CreatePen(PS_SOLID, 0, colours[261]));
3458 Polyline(hdc, pts, 5);
3459 oldpen = SelectObject(hdc, oldpen);
3460 DeleteObject(oldpen);
3461 } else if ((attr & (TATTR_ACTCURS | TATTR_PASCURS)) && ctype != 0) {
3462 int startx, starty, dx, dy, length, i;
3465 starty = y + descent;
3468 length = char_width;
3471 if (attr & TATTR_RIGHTCURS)
3472 xadjust = char_width - 1;
3473 startx = x + xadjust;
3477 length = font_height;
3479 if (attr & TATTR_ACTCURS) {
3482 SelectObject(hdc, CreatePen(PS_SOLID, 0, colours[261]));
3483 MoveToEx(hdc, startx, starty, NULL);
3484 LineTo(hdc, startx + dx * length, starty + dy * length);
3485 oldpen = SelectObject(hdc, oldpen);
3486 DeleteObject(oldpen);
3488 for (i = 0; i < length; i++) {
3490 SetPixel(hdc, startx, starty, colours[261]);
3499 /* This function gets the actual width of a character in the normal font.
3501 int char_width(Context ctx, int uc) {
3505 /* If the font max is the same as the font ave width then this
3506 * function is a no-op.
3508 if (!font_dualwidth) return 1;
3510 switch (uc & CSET_MASK) {
3512 uc = ucsdata.unitab_line[uc & 0xFF];
3515 uc = ucsdata.unitab_xterm[uc & 0xFF];
3518 uc = ucsdata.unitab_scoacs[uc & 0xFF];
3521 if (DIRECT_FONT(uc)) {
3522 if (ucsdata.dbcs_screenfont) return 1;
3524 /* Speedup, I know of no font where ascii is the wrong width */
3525 if ((uc&~CSET_MASK) >= ' ' && (uc&~CSET_MASK)<= '~')
3528 if ( (uc & CSET_MASK) == CSET_ACP ) {
3529 SelectObject(hdc, fonts[FONT_NORMAL]);
3530 } else if ( (uc & CSET_MASK) == CSET_OEMCP ) {
3531 another_font(FONT_OEM);
3532 if (!fonts[FONT_OEM]) return 0;
3534 SelectObject(hdc, fonts[FONT_OEM]);
3538 if ( GetCharWidth32(hdc, uc&~CSET_MASK, uc&~CSET_MASK, &ibuf) != 1 &&
3539 GetCharWidth(hdc, uc&~CSET_MASK, uc&~CSET_MASK, &ibuf) != 1)
3542 /* Speedup, I know of no font where ascii is the wrong width */
3543 if (uc >= ' ' && uc <= '~') return 1;
3545 SelectObject(hdc, fonts[FONT_NORMAL]);
3546 if ( GetCharWidth32W(hdc, uc, uc, &ibuf) == 1 )
3547 /* Okay that one worked */ ;
3548 else if ( GetCharWidthW(hdc, uc, uc, &ibuf) == 1 )
3549 /* This should work on 9x too, but it's "less accurate" */ ;
3554 ibuf += font_width / 2 -1;
3561 * Translate a WM_(SYS)?KEY(UP|DOWN) message into a string of ASCII
3562 * codes. Returns number of bytes used or zero to drop the message
3563 * or -1 to forward the message to windows.
3565 static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
3566 unsigned char *output)
3569 int scan, left_alt = 0, key_down, shift_state;
3571 unsigned char *p = output;
3572 static int alt_sum = 0;
3574 HKL kbd_layout = GetKeyboardLayout(0);
3576 /* keys is for ToAsciiEx. There's some ick here, see below. */
3577 static WORD keys[3];
3578 static int compose_char = 0;
3579 static WPARAM compose_key = 0;
3581 r = GetKeyboardState(keystate);
3583 memset(keystate, 0, sizeof(keystate));
3586 #define SHOW_TOASCII_RESULT
3587 { /* Tell us all about key events */
3588 static BYTE oldstate[256];
3589 static int first = 1;
3593 memcpy(oldstate, keystate, sizeof(oldstate));
3596 if ((HIWORD(lParam) & (KF_UP | KF_REPEAT)) == KF_REPEAT) {
3598 } else if ((HIWORD(lParam) & KF_UP)
3599 && scan == (HIWORD(lParam) & 0xFF)) {
3603 if (wParam >= VK_F1 && wParam <= VK_F20)
3604 debug(("K_F%d", wParam + 1 - VK_F1));
3617 debug(("VK_%02x", wParam));
3619 if (message == WM_SYSKEYDOWN || message == WM_SYSKEYUP)
3621 debug((", S%02x", scan = (HIWORD(lParam) & 0xFF)));
3623 ch = MapVirtualKeyEx(wParam, 2, kbd_layout);
3624 if (ch >= ' ' && ch <= '~')
3625 debug((", '%c'", ch));
3627 debug((", $%02x", ch));
3630 debug((", KB0=%02x", keys[0]));
3632 debug((", KB1=%02x", keys[1]));
3634 debug((", KB2=%02x", keys[2]));
3636 if ((keystate[VK_SHIFT] & 0x80) != 0)
3638 if ((keystate[VK_CONTROL] & 0x80) != 0)
3640 if ((HIWORD(lParam) & KF_EXTENDED))
3642 if ((HIWORD(lParam) & KF_UP))
3646 if ((HIWORD(lParam) & (KF_UP | KF_REPEAT)) == KF_REPEAT);
3647 else if ((HIWORD(lParam) & KF_UP))
3648 oldstate[wParam & 0xFF] ^= 0x80;
3650 oldstate[wParam & 0xFF] ^= 0x81;
3652 for (ch = 0; ch < 256; ch++)
3653 if (oldstate[ch] != keystate[ch])
3654 debug((", M%02x=%02x", ch, keystate[ch]));
3656 memcpy(oldstate, keystate, sizeof(oldstate));
3660 if (wParam == VK_MENU && (HIWORD(lParam) & KF_EXTENDED)) {
3661 keystate[VK_RMENU] = keystate[VK_MENU];
3665 /* Nastyness with NUMLock - Shift-NUMLock is left alone though */
3666 if ((cfg.funky_type == FUNKY_VT400 ||
3667 (cfg.funky_type <= FUNKY_LINUX && term->app_keypad_keys &&
3669 && wParam == VK_NUMLOCK && !(keystate[VK_SHIFT] & 0x80)) {
3671 wParam = VK_EXECUTE;
3673 /* UnToggle NUMLock */
3674 if ((HIWORD(lParam) & (KF_UP | KF_REPEAT)) == 0)
3675 keystate[VK_NUMLOCK] ^= 1;
3678 /* And write back the 'adjusted' state */
3679 SetKeyboardState(keystate);
3682 /* Disable Auto repeat if required */
3683 if (term->repeat_off &&
3684 (HIWORD(lParam) & (KF_UP | KF_REPEAT)) == KF_REPEAT)
3687 if ((HIWORD(lParam) & KF_ALTDOWN) && (keystate[VK_RMENU] & 0x80) == 0)
3690 key_down = ((HIWORD(lParam) & KF_UP) == 0);
3692 /* Make sure Ctrl-ALT is not the same as AltGr for ToAscii unless told. */
3693 if (left_alt && (keystate[VK_CONTROL] & 0x80)) {
3694 if (cfg.ctrlaltkeys)
3695 keystate[VK_MENU] = 0;
3697 keystate[VK_RMENU] = 0x80;
3702 scan = (HIWORD(lParam) & (KF_UP | KF_EXTENDED | 0xFF));
3703 shift_state = ((keystate[VK_SHIFT] & 0x80) != 0)
3704 + ((keystate[VK_CONTROL] & 0x80) != 0) * 2;
3706 /* Note if AltGr was pressed and if it was used as a compose key */
3707 if (!compose_state) {
3708 compose_key = 0x100;
3709 if (cfg.compose_key) {
3710 if (wParam == VK_MENU && (HIWORD(lParam) & KF_EXTENDED))
3711 compose_key = wParam;
3713 if (wParam == VK_APPS)
3714 compose_key = wParam;
3717 if (wParam == compose_key) {
3718 if (compose_state == 0
3719 && (HIWORD(lParam) & (KF_UP | KF_REPEAT)) == 0) compose_state =
3721 else if (compose_state == 1 && (HIWORD(lParam) & KF_UP))
3725 } else if (compose_state == 1 && wParam != VK_CONTROL)
3728 if (compose_state > 1 && left_alt)
3731 /* Sanitize the number pad if not using a PC NumPad */
3732 if (left_alt || (term->app_keypad_keys && !cfg.no_applic_k
3733 && cfg.funky_type != FUNKY_XTERM)
3734 || cfg.funky_type == FUNKY_VT400 || cfg.nethack_keypad || compose_state) {
3735 if ((HIWORD(lParam) & KF_EXTENDED) == 0) {
3739 nParam = VK_NUMPAD0;
3742 nParam = VK_NUMPAD1;
3745 nParam = VK_NUMPAD2;
3748 nParam = VK_NUMPAD3;
3751 nParam = VK_NUMPAD4;
3754 nParam = VK_NUMPAD5;
3757 nParam = VK_NUMPAD6;
3760 nParam = VK_NUMPAD7;
3763 nParam = VK_NUMPAD8;
3766 nParam = VK_NUMPAD9;
3769 nParam = VK_DECIMAL;
3773 if (keystate[VK_NUMLOCK] & 1)
3780 /* If a key is pressed and AltGr is not active */
3781 if (key_down && (keystate[VK_RMENU] & 0x80) == 0 && !compose_state) {
3782 /* Okay, prepare for most alts then ... */
3786 /* Lets see if it's a pattern we know all about ... */
3787 if (wParam == VK_PRIOR && shift_state == 1) {
3788 SendMessage(hwnd, WM_VSCROLL, SB_PAGEUP, 0);
3791 if (wParam == VK_PRIOR && shift_state == 2) {
3792 SendMessage(hwnd, WM_VSCROLL, SB_LINEUP, 0);
3795 if (wParam == VK_NEXT && shift_state == 1) {
3796 SendMessage(hwnd, WM_VSCROLL, SB_PAGEDOWN, 0);
3799 if (wParam == VK_NEXT && shift_state == 2) {
3800 SendMessage(hwnd, WM_VSCROLL, SB_LINEDOWN, 0);
3803 if (wParam == VK_INSERT && shift_state == 1) {
3804 term_do_paste(term);
3807 if (left_alt && wParam == VK_F4 && cfg.alt_f4) {
3810 if (left_alt && wParam == VK_SPACE && cfg.alt_space) {
3811 SendMessage(hwnd, WM_SYSCOMMAND, SC_KEYMENU, 0);
3814 if (left_alt && wParam == VK_RETURN && cfg.fullscreenonaltenter &&
3815 (cfg.resize_action != RESIZE_DISABLED)) {
3816 if ((HIWORD(lParam) & (KF_UP | KF_REPEAT)) != KF_REPEAT)
3820 /* Control-Numlock for app-keypad mode switch */
3821 if (wParam == VK_PAUSE && shift_state == 2) {
3822 term->app_keypad_keys ^= 1;
3826 /* Nethack keypad */
3827 if (cfg.nethack_keypad && !left_alt) {
3830 *p++ = "bB\002\002"[shift_state & 3];
3833 *p++ = "jJ\012\012"[shift_state & 3];
3836 *p++ = "nN\016\016"[shift_state & 3];
3839 *p++ = "hH\010\010"[shift_state & 3];
3842 *p++ = shift_state ? '.' : '.';
3845 *p++ = "lL\014\014"[shift_state & 3];
3848 *p++ = "yY\031\031"[shift_state & 3];
3851 *p++ = "kK\013\013"[shift_state & 3];
3854 *p++ = "uU\025\025"[shift_state & 3];
3859 /* Application Keypad */
3863 if (cfg.funky_type == FUNKY_VT400 ||
3864 (cfg.funky_type <= FUNKY_LINUX &&
3865 term->app_keypad_keys && !cfg.no_applic_k)) switch (wParam) {
3879 if (term->app_keypad_keys && !cfg.no_applic_k)
3916 if (cfg.funky_type == FUNKY_XTERM) {
3921 } else if (shift_state)
3928 if (cfg.funky_type == FUNKY_XTERM)
3932 if (cfg.funky_type == FUNKY_XTERM)
3936 if (cfg.funky_type == FUNKY_XTERM)
3941 if (HIWORD(lParam) & KF_EXTENDED)
3946 if (term->vt52_mode) {
3947 if (xkey >= 'P' && xkey <= 'S')
3948 p += sprintf((char *) p, "\x1B%c", xkey);
3950 p += sprintf((char *) p, "\x1B?%c", xkey);
3952 p += sprintf((char *) p, "\x1BO%c", xkey);
3957 if (wParam == VK_BACK && shift_state == 0) { /* Backspace */
3958 *p++ = (cfg.bksp_is_delete ? 0x7F : 0x08);
3962 if (wParam == VK_BACK && shift_state == 1) { /* Shift Backspace */
3963 /* We do the opposite of what is configured */
3964 *p++ = (cfg.bksp_is_delete ? 0x08 : 0x7F);
3968 if (wParam == VK_TAB && shift_state == 1) { /* Shift tab */
3974 if (wParam == VK_SPACE && shift_state == 2) { /* Ctrl-Space */
3978 if (wParam == VK_SPACE && shift_state == 3) { /* Ctrl-Shift-Space */
3982 if (wParam == VK_CANCEL && shift_state == 2) { /* Ctrl-Break */
3987 if (wParam == VK_PAUSE) { /* Break/Pause */
3992 /* Control-2 to Control-8 are special */
3993 if (shift_state == 2 && wParam >= '2' && wParam <= '8') {
3994 *p++ = "\000\033\034\035\036\037\177"[wParam - '2'];
3997 if (shift_state == 2 && (wParam == 0xBD || wParam == 0xBF)) {
4001 if (shift_state == 2 && wParam == 0xDF) {
4005 if (shift_state == 3 && wParam == 0xDE) {
4006 *p++ = 0x1E; /* Ctrl-~ == Ctrl-^ in xterm at least */
4009 if (shift_state == 0 && wParam == VK_RETURN && term->cr_lf_return) {
4016 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
4017 * for integer decimal nn.)
4019 * We also deal with the weird ones here. Linux VCs replace F1
4020 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
4021 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
4027 code = (keystate[VK_SHIFT] & 0x80 ? 23 : 11);
4030 code = (keystate[VK_SHIFT] & 0x80 ? 24 : 12);
4033 code = (keystate[VK_SHIFT] & 0x80 ? 25 : 13);
4036 code = (keystate[VK_SHIFT] & 0x80 ? 26 : 14);
4039 code = (keystate[VK_SHIFT] & 0x80 ? 28 : 15);
4042 code = (keystate[VK_SHIFT] & 0x80 ? 29 : 17);
4045 code = (keystate[VK_SHIFT] & 0x80 ? 31 : 18);
4048 code = (keystate[VK_SHIFT] & 0x80 ? 32 : 19);
4051 code = (keystate[VK_SHIFT] & 0x80 ? 33 : 20);
4054 code = (keystate[VK_SHIFT] & 0x80 ? 34 : 21);
4087 if ((shift_state&2) == 0) switch (wParam) {
4107 /* Reorder edit keys to physical order */
4108 if (cfg.funky_type == FUNKY_VT400 && code <= 6)
4109 code = "\0\2\1\4\5\3\6"[code];
4111 if (term->vt52_mode && code > 0 && code <= 6) {
4112 p += sprintf((char *) p, "\x1B%c", " HLMEIG"[code]);
4116 if (cfg.funky_type == FUNKY_SCO && /* SCO function keys */
4117 code >= 11 && code <= 34) {
4118 char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
4121 case VK_F1: index = 0; break;
4122 case VK_F2: index = 1; break;
4123 case VK_F3: index = 2; break;
4124 case VK_F4: index = 3; break;
4125 case VK_F5: index = 4; break;
4126 case VK_F6: index = 5; break;
4127 case VK_F7: index = 6; break;
4128 case VK_F8: index = 7; break;
4129 case VK_F9: index = 8; break;
4130 case VK_F10: index = 9; break;
4131 case VK_F11: index = 10; break;
4132 case VK_F12: index = 11; break;
4134 if (keystate[VK_SHIFT] & 0x80) index += 12;
4135 if (keystate[VK_CONTROL] & 0x80) index += 24;
4136 p += sprintf((char *) p, "\x1B[%c", codes[index]);
4139 if (cfg.funky_type == FUNKY_SCO && /* SCO small keypad */
4140 code >= 1 && code <= 6) {
4141 char codes[] = "HL.FIG";
4145 p += sprintf((char *) p, "\x1B[%c", codes[code-1]);
4149 if ((term->vt52_mode || cfg.funky_type == FUNKY_VT100P) && code >= 11 && code <= 24) {
4155 if (term->vt52_mode)
4156 p += sprintf((char *) p, "\x1B%c", code + 'P' - 11 - offt);
4159 sprintf((char *) p, "\x1BO%c", code + 'P' - 11 - offt);
4162 if (cfg.funky_type == FUNKY_LINUX && code >= 11 && code <= 15) {
4163 p += sprintf((char *) p, "\x1B[[%c", code + 'A' - 11);
4166 if (cfg.funky_type == FUNKY_XTERM && code >= 11 && code <= 14) {
4167 if (term->vt52_mode)
4168 p += sprintf((char *) p, "\x1B%c", code + 'P' - 11);
4170 p += sprintf((char *) p, "\x1BO%c", code + 'P' - 11);
4173 if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
4174 p += sprintf((char *) p, code == 1 ? "\x1B[H" : "\x1BOw");
4178 p += sprintf((char *) p, "\x1B[%d~", code);
4183 * Now the remaining keys (arrows and Keypad 5. Keypad 5 for
4184 * some reason seems to send VK_CLEAR to Windows...).
4206 if (term->vt52_mode)
4207 p += sprintf((char *) p, "\x1B%c", xkey);
4209 int app_flg = (term->app_cursor_keys && !cfg.no_applic_c);
4212 * RDB: VT100 & VT102 manuals both state the
4213 * app cursor keys only work if the app keypad
4216 * SGT: That may well be true, but xterm
4217 * disagrees and so does at least one
4218 * application, so I've #if'ed this out and the
4219 * behaviour is back to PuTTY's original: app
4220 * cursor and app keypad are independently
4221 * switchable modes. If anyone complains about
4222 * _this_ I'll have to put in a configurable
4225 if (!term->app_keypad_keys)
4228 /* Useful mapping of Ctrl-arrows */
4229 if (shift_state == 2)
4233 p += sprintf((char *) p, "\x1BO%c", xkey);
4235 p += sprintf((char *) p, "\x1B[%c", xkey);
4242 * Finally, deal with Return ourselves. (Win95 seems to
4243 * foul it up when Alt is pressed, for some reason.)
4245 if (wParam == VK_RETURN) { /* Return */
4251 if (left_alt && wParam >= VK_NUMPAD0 && wParam <= VK_NUMPAD9)
4252 alt_sum = alt_sum * 10 + wParam - VK_NUMPAD0;
4257 /* Okay we've done everything interesting; let windows deal with
4258 * the boring stuff */
4262 /* helg: clear CAPS LOCK state if caps lock switches to cyrillic */
4263 if(cfg.xlat_capslockcyr && keystate[VK_CAPITAL] != 0) {
4265 keystate[VK_CAPITAL] = 0;
4268 /* XXX how do we know what the max size of the keys array should
4269 * be is? There's indication on MS' website of an Inquire/InquireEx
4270 * functioning returning a KBINFO structure which tells us. */
4271 if (osVersion.dwPlatformId == VER_PLATFORM_WIN32_NT) {
4272 /* XXX 'keys' parameter is declared in MSDN documentation as
4274 * The experience of a French user indicates that on
4275 * Win98, WORD[] should be passed in, but on Win2K, it should
4276 * be BYTE[]. German WinXP and my Win2K with "US International"
4277 * driver corroborate this.
4278 * Experimentally I've conditionalised the behaviour on the
4279 * Win9x/NT split, but I suspect it's worse than that.
4280 * See wishlist item `win-dead-keys' for more horrible detail
4281 * and speculations. */
4284 r = ToAsciiEx(wParam, scan, keystate, (LPWORD)keybs, 0, kbd_layout);
4285 for (i=0; i<3; i++) keys[i] = keybs[i];
4287 r = ToAsciiEx(wParam, scan, keystate, keys, 0, kbd_layout);
4289 #ifdef SHOW_TOASCII_RESULT
4290 if (r == 1 && !key_down) {
4292 if (in_utf(term) || ucsdata.dbcs_screenfont)
4293 debug((", (U+%04x)", alt_sum));
4295 debug((", LCH(%d)", alt_sum));
4297 debug((", ACH(%d)", keys[0]));
4302 for (r1 = 0; r1 < r; r1++) {
4303 debug(("%s%d", r1 ? "," : "", keys[r1]));
4312 * Interrupt an ongoing paste. I'm not sure this is
4313 * sensible, but for the moment it's preferable to
4314 * having to faff about buffering things.
4319 for (i = 0; i < r; i++) {
4320 unsigned char ch = (unsigned char) keys[i];
4322 if (compose_state == 2 && (ch & 0x80) == 0 && ch > ' ') {
4327 if (compose_state == 3 && (ch & 0x80) == 0 && ch > ' ') {
4331 if ((nc = check_compose(compose_char, ch)) == -1) {
4332 MessageBeep(MB_ICONHAND);
4336 term_seen_key_event(term);
4338 luni_send(ldisc, &keybuf, 1, 1);
4346 if (in_utf(term) || ucsdata.dbcs_screenfont) {
4348 term_seen_key_event(term);
4350 luni_send(ldisc, &keybuf, 1, 1);
4352 ch = (char) alt_sum;
4354 * We need not bother about stdin
4355 * backlogs here, because in GUI PuTTY
4356 * we can't do anything about it
4357 * anyway; there's no means of asking
4358 * Windows to hold off on KEYDOWN
4359 * messages. We _have_ to buffer
4360 * everything we're sent.
4362 term_seen_key_event(term);
4364 ldisc_send(ldisc, &ch, 1, 1);
4368 term_seen_key_event(term);
4370 lpage_send(ldisc, kbd_codepage, &ch, 1, 1);
4373 if(capsOn && ch < 0x80) {
4376 cbuf[1] = xlat_uskbd2cyrllic(ch);
4377 term_seen_key_event(term);
4379 luni_send(ldisc, cbuf+!left_alt, 1+!!left_alt, 1);
4384 term_seen_key_event(term);
4386 lpage_send(ldisc, kbd_codepage,
4387 cbuf+!left_alt, 1+!!left_alt, 1);
4393 /* This is so the ALT-Numpad and dead keys work correctly. */
4398 /* If we're definitly not building up an ALT-54321 then clear it */
4401 /* If we will be using alt_sum fix the 256s */
4402 else if (keys[0] && (in_utf(term) || ucsdata.dbcs_screenfont))
4407 * ALT alone may or may not want to bring up the System menu.
4408 * If it's not meant to, we return 0 on presses or releases of
4409 * ALT, to show that we've swallowed the keystroke. Otherwise
4410 * we return -1, which means Windows will give the keystroke
4411 * its default handling (i.e. bring up the System menu).
4413 if (wParam == VK_MENU && !cfg.alt_only)
4419 void request_paste(void *frontend)
4422 * In Windows, pasting is synchronous: we can read the
4423 * clipboard with no difficulty, so request_paste() can just go
4426 term_do_paste(term);
4429 void set_title(void *frontend, char *title)
4432 window_name = snewn(1 + strlen(title), char);
4433 strcpy(window_name, title);
4434 if (cfg.win_name_always || !IsIconic(hwnd))
4435 SetWindowText(hwnd, title);
4438 void set_icon(void *frontend, char *title)
4441 icon_name = snewn(1 + strlen(title), char);
4442 strcpy(icon_name, title);
4443 if (!cfg.win_name_always && IsIconic(hwnd))
4444 SetWindowText(hwnd, title);
4447 void set_sbar(void *frontend, int total, int start, int page)
4451 if (is_full_screen() ? !cfg.scrollbar_in_fullscreen : !cfg.scrollbar)
4454 si.cbSize = sizeof(si);
4455 si.fMask = SIF_ALL | SIF_DISABLENOSCROLL;
4457 si.nMax = total - 1;
4461 SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
4464 Context get_ctx(void *frontend)
4470 SelectPalette(hdc, pal, FALSE);
4476 void free_ctx(Context ctx)
4478 SelectPalette(ctx, GetStockObject(DEFAULT_PALETTE), FALSE);
4479 ReleaseDC(hwnd, ctx);
4482 static void real_palette_set(int n, int r, int g, int b)
4485 logpal->palPalEntry[n].peRed = r;
4486 logpal->palPalEntry[n].peGreen = g;
4487 logpal->palPalEntry[n].peBlue = b;
4488 logpal->palPalEntry[n].peFlags = PC_NOCOLLAPSE;
4489 colours[n] = PALETTERGB(r, g, b);
4490 SetPaletteEntries(pal, 0, NALLCOLOURS, logpal->palPalEntry);
4492 colours[n] = RGB(r, g, b);
4495 void palette_set(void *frontend, int n, int r, int g, int b)
4499 if (n > NALLCOLOURS)
4501 real_palette_set(n, r, g, b);
4503 HDC hdc = get_ctx(frontend);
4504 UnrealizeObject(pal);
4505 RealizePalette(hdc);
4508 if (n == (ATTR_DEFBG>>ATTR_BGSHIFT))
4509 /* If Default Background changes, we need to ensure any
4510 * space between the text area and the window border is
4512 InvalidateRect(hwnd, NULL, TRUE);
4516 void palette_reset(void *frontend)
4521 for (i = 0; i < NALLCOLOURS; i++) {
4523 logpal->palPalEntry[i].peRed = defpal[i].rgbtRed;
4524 logpal->palPalEntry[i].peGreen = defpal[i].rgbtGreen;
4525 logpal->palPalEntry[i].peBlue = defpal[i].rgbtBlue;
4526 logpal->palPalEntry[i].peFlags = 0;
4527 colours[i] = PALETTERGB(defpal[i].rgbtRed,
4528 defpal[i].rgbtGreen,
4529 defpal[i].rgbtBlue);
4531 colours[i] = RGB(defpal[i].rgbtRed,
4532 defpal[i].rgbtGreen, defpal[i].rgbtBlue);
4537 SetPaletteEntries(pal, 0, NALLCOLOURS, logpal->palPalEntry);
4538 hdc = get_ctx(frontend);
4539 RealizePalette(hdc);
4542 /* Default Background may have changed. Ensure any space between
4543 * text area and window border is redrawn. */
4544 InvalidateRect(hwnd, NULL, TRUE);
4548 void write_aclip(void *frontend, char *data, int len, int must_deselect)
4553 clipdata = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE, len + 1);
4556 lock = GlobalLock(clipdata);
4559 memcpy(lock, data, len);
4560 ((unsigned char *) lock)[len] = 0;
4561 GlobalUnlock(clipdata);
4564 SendMessage(hwnd, WM_IGNORE_CLIP, TRUE, 0);
4566 if (OpenClipboard(hwnd)) {
4568 SetClipboardData(CF_TEXT, clipdata);
4571 GlobalFree(clipdata);
4574 SendMessage(hwnd, WM_IGNORE_CLIP, FALSE, 0);
4578 * Note: unlike write_aclip() this will not append a nul.
4580 void write_clip(void *frontend, wchar_t * data, int *attr, int len, int must_deselect)
4582 HGLOBAL clipdata, clipdata2, clipdata3;
4584 void *lock, *lock2, *lock3;
4586 len2 = WideCharToMultiByte(CP_ACP, 0, data, len, 0, 0, NULL, NULL);
4588 clipdata = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE,
4589 len * sizeof(wchar_t));
4590 clipdata2 = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE, len2);
4592 if (!clipdata || !clipdata2) {
4594 GlobalFree(clipdata);
4596 GlobalFree(clipdata2);
4599 if (!(lock = GlobalLock(clipdata)))
4601 if (!(lock2 = GlobalLock(clipdata2)))
4604 memcpy(lock, data, len * sizeof(wchar_t));
4605 WideCharToMultiByte(CP_ACP, 0, data, len, lock2, len2, NULL, NULL);
4607 if (cfg.rtf_paste) {
4608 wchar_t unitab[256];
4610 unsigned char *tdata = (unsigned char *)lock2;
4611 wchar_t *udata = (wchar_t *)lock;
4612 int rtflen = 0, uindex = 0, tindex = 0;
4614 int multilen, blen, alen, totallen, i;
4615 char before[16], after[4];
4616 int fgcolour, lastfgcolour = 0;
4617 int bgcolour, lastbgcolour = 0;
4618 int attrBold, lastAttrBold = 0;
4619 int attrUnder, lastAttrUnder = 0;
4620 int palette[NALLCOLOURS];
4623 get_unitab(CP_ACP, unitab, 0);
4625 rtfsize = 100 + strlen(cfg.font.name);
4626 rtf = snewn(rtfsize, char);
4627 rtflen = sprintf(rtf, "{\\rtf1\\ansi\\deff0{\\fonttbl\\f0\\fmodern %s;}\\f0\\fs%d",
4628 cfg.font.name, cfg.font.height*2);
4631 * Add colour palette
4632 * {\colortbl ;\red255\green0\blue0;\red0\green0\blue128;}
4636 * First - Determine all colours in use
4637 * o Foregound and background colours share the same palette
4640 memset(palette, 0, sizeof(palette));
4641 for (i = 0; i < (len-1); i++) {
4642 fgcolour = ((attr[i] & ATTR_FGMASK) >> ATTR_FGSHIFT);
4643 bgcolour = ((attr[i] & ATTR_BGMASK) >> ATTR_BGSHIFT);
4645 if (attr[i] & ATTR_REVERSE) {
4646 int tmpcolour = fgcolour; /* Swap foreground and background */
4647 fgcolour = bgcolour;
4648 bgcolour = tmpcolour;
4651 if (bold_mode == BOLD_COLOURS && (attr[i] & ATTR_BOLD)) {
4652 if (fgcolour < 8) /* ANSI colours */
4654 else if (fgcolour >= 256) /* Default colours */
4658 if (attr[i] & ATTR_BLINK) {
4659 if (bgcolour < 8) /* ANSI colours */
4661 else if (bgcolour >= 256) /* Default colours */
4665 palette[fgcolour]++;
4666 palette[bgcolour]++;
4670 * Next - Create a reduced palette
4673 for (i = 0; i < NALLCOLOURS; i++) {
4674 if (palette[i] != 0)
4675 palette[i] = ++numcolours;
4679 * Finally - Write the colour table
4681 rtf = sresize(rtf, rtfsize + (numcolours * 25), char);
4682 strcat(rtf, "{\\colortbl ;");
4683 rtflen = strlen(rtf);
4685 for (i = 0; i < NALLCOLOURS; i++) {
4686 if (palette[i] != 0) {
4687 rtflen += sprintf(&rtf[rtflen], "\\red%d\\green%d\\blue%d;", defpal[i].rgbtRed, defpal[i].rgbtGreen, defpal[i].rgbtBlue);
4690 strcpy(&rtf[rtflen], "}");
4695 * We want to construct a piece of RTF that specifies the
4696 * same Unicode text. To do this we will read back in
4697 * parallel from the Unicode data in `udata' and the
4698 * non-Unicode data in `tdata'. For each character in
4699 * `tdata' which becomes the right thing in `udata' when
4700 * looked up in `unitab', we just copy straight over from
4701 * tdata. For each one that doesn't, we must WCToMB it
4702 * individually and produce a \u escape sequence.
4704 * It would probably be more robust to just bite the bullet
4705 * and WCToMB each individual Unicode character one by one,
4706 * then MBToWC each one back to see if it was an accurate
4707 * translation; but that strikes me as a horrifying number
4708 * of Windows API calls so I want to see if this faster way
4709 * will work. If it screws up badly we can always revert to
4710 * the simple and slow way.
4712 while (tindex < len2 && uindex < len &&
4713 tdata[tindex] && udata[uindex]) {
4714 if (tindex + 1 < len2 &&
4715 tdata[tindex] == '\r' &&
4716 tdata[tindex+1] == '\n') {
4722 * Set text attributes
4725 if (rtfsize < rtflen + 64) {
4726 rtfsize = rtflen + 512;
4727 rtf = sresize(rtf, rtfsize, char);
4731 * Determine foreground and background colours
4733 fgcolour = ((attr[tindex] & ATTR_FGMASK) >> ATTR_FGSHIFT);
4734 bgcolour = ((attr[tindex] & ATTR_BGMASK) >> ATTR_BGSHIFT);
4736 if (attr[tindex] & ATTR_REVERSE) {
4737 int tmpcolour = fgcolour; /* Swap foreground and background */
4738 fgcolour = bgcolour;
4739 bgcolour = tmpcolour;
4742 if (bold_mode == BOLD_COLOURS && (attr[tindex] & ATTR_BOLD)) {
4743 if (fgcolour < 8) /* ANSI colours */
4745 else if (fgcolour >= 256) /* Default colours */
4749 if (attr[tindex] & ATTR_BLINK) {
4750 if (bgcolour < 8) /* ANSI colours */
4752 else if (bgcolour >= 256) /* Default colours */
4757 * Collect other attributes
4759 if (bold_mode != BOLD_COLOURS)
4760 attrBold = attr[tindex] & ATTR_BOLD;
4764 attrUnder = attr[tindex] & ATTR_UNDER;
4768 * o If video isn't reversed, ignore colour attributes for default foregound
4770 * o Special case where bolded text is displayed using the default foregound
4771 * and background colours - force to bolded RTF.
4773 if (!(attr[tindex] & ATTR_REVERSE)) {
4774 if (bgcolour >= 256) /* Default color */
4775 bgcolour = -1; /* No coloring */
4777 if (fgcolour >= 256) { /* Default colour */
4778 if (bold_mode == BOLD_COLOURS && (fgcolour & 1) && bgcolour == -1)
4779 attrBold = ATTR_BOLD; /* Emphasize text with bold attribute */
4781 fgcolour = -1; /* No coloring */
4786 * Write RTF text attributes
4788 if (lastfgcolour != fgcolour) {
4789 lastfgcolour = fgcolour;
4790 rtflen += sprintf(&rtf[rtflen], "\\cf%d ", (fgcolour >= 0) ? palette[fgcolour] : 0);
4793 if (lastbgcolour != bgcolour) {
4794 lastbgcolour = bgcolour;
4795 rtflen += sprintf(&rtf[rtflen], "\\highlight%d ", (bgcolour >= 0) ? palette[bgcolour] : 0);
4798 if (lastAttrBold != attrBold) {
4799 lastAttrBold = attrBold;
4800 rtflen += sprintf(&rtf[rtflen], "%s", attrBold ? "\\b " : "\\b0 ");
4803 if (lastAttrUnder != attrUnder) {
4804 lastAttrUnder = attrUnder;
4805 rtflen += sprintf(&rtf[rtflen], "%s", attrUnder ? "\\ul " : "\\ulnone ");
4809 if (unitab[tdata[tindex]] == udata[uindex]) {
4815 multilen = WideCharToMultiByte(CP_ACP, 0, unitab+uindex, 1,
4816 NULL, 0, NULL, NULL);
4817 if (multilen != 1) {
4818 blen = sprintf(before, "{\\uc%d\\u%d", multilen,
4820 alen = 1; strcpy(after, "}");
4822 blen = sprintf(before, "\\u%d", udata[uindex]);
4823 alen = 0; after[0] = '\0';
4826 assert(tindex + multilen <= len2);
4827 totallen = blen + alen;
4828 for (i = 0; i < multilen; i++) {
4829 if (tdata[tindex+i] == '\\' ||
4830 tdata[tindex+i] == '{' ||
4831 tdata[tindex+i] == '}')
4833 else if (tdata[tindex+i] == 0x0D || tdata[tindex+i] == 0x0A)
4834 totallen += 6; /* \par\r\n */
4835 else if (tdata[tindex+i] > 0x7E || tdata[tindex+i] < 0x20)
4841 if (rtfsize < rtflen + totallen + 3) {
4842 rtfsize = rtflen + totallen + 512;
4843 rtf = sresize(rtf, rtfsize, char);
4846 strcpy(rtf + rtflen, before); rtflen += blen;
4847 for (i = 0; i < multilen; i++) {
4848 if (tdata[tindex+i] == '\\' ||
4849 tdata[tindex+i] == '{' ||
4850 tdata[tindex+i] == '}') {
4851 rtf[rtflen++] = '\\';
4852 rtf[rtflen++] = tdata[tindex+i];
4853 } else if (tdata[tindex+i] == 0x0D || tdata[tindex+i] == 0x0A) {
4854 rtflen += sprintf(rtf+rtflen, "\\par\r\n");
4855 } else if (tdata[tindex+i] > 0x7E || tdata[tindex+i] < 0x20) {
4856 rtflen += sprintf(rtf+rtflen, "\\'%02x", tdata[tindex+i]);
4858 rtf[rtflen++] = tdata[tindex+i];
4861 strcpy(rtf + rtflen, after); rtflen += alen;
4867 rtf[rtflen++] = '}'; /* Terminate RTF stream */
4868 rtf[rtflen++] = '\0';
4869 rtf[rtflen++] = '\0';
4871 clipdata3 = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE, rtflen);
4872 if (clipdata3 && (lock3 = GlobalLock(clipdata3)) != NULL) {
4873 memcpy(lock3, rtf, rtflen);
4874 GlobalUnlock(clipdata3);
4880 GlobalUnlock(clipdata);
4881 GlobalUnlock(clipdata2);
4884 SendMessage(hwnd, WM_IGNORE_CLIP, TRUE, 0);
4886 if (OpenClipboard(hwnd)) {
4888 SetClipboardData(CF_UNICODETEXT, clipdata);
4889 SetClipboardData(CF_TEXT, clipdata2);
4891 SetClipboardData(RegisterClipboardFormat(CF_RTF), clipdata3);
4894 GlobalFree(clipdata);
4895 GlobalFree(clipdata2);
4899 SendMessage(hwnd, WM_IGNORE_CLIP, FALSE, 0);
4902 void get_clip(void *frontend, wchar_t ** p, int *len)
4904 static HGLOBAL clipdata = NULL;
4905 static wchar_t *converted = 0;
4914 GlobalUnlock(clipdata);
4917 } else if (OpenClipboard(NULL)) {
4918 if ((clipdata = GetClipboardData(CF_UNICODETEXT))) {
4920 *p = GlobalLock(clipdata);
4922 for (p2 = *p; *p2; p2++);
4926 } else if ( (clipdata = GetClipboardData(CF_TEXT)) ) {
4930 s = GlobalLock(clipdata);
4931 i = MultiByteToWideChar(CP_ACP, 0, s, strlen(s) + 1, 0, 0);
4932 *p = converted = snewn(i, wchar_t);
4933 MultiByteToWideChar(CP_ACP, 0, s, strlen(s) + 1, converted, i);
4946 * Move `lines' lines from position `from' to position `to' in the
4949 void optimised_move(void *frontend, int to, int from, int lines)
4954 min = (to < from ? to : from);
4955 max = to + from - min;
4957 r.left = offset_width;
4958 r.right = offset_width + term->cols * font_width;
4959 r.top = offset_height + min * font_height;
4960 r.bottom = offset_height + (max + lines) * font_height;
4961 ScrollWindow(hwnd, 0, (to - from) * font_height, &r, &r);
4966 * Print a message box and perform a fatal exit.
4968 void fatalbox(char *fmt, ...)
4971 char *stuff, morestuff[100];
4974 stuff = dupvprintf(fmt, ap);
4976 sprintf(morestuff, "%.70s Fatal Error", appname);
4977 MessageBox(hwnd, stuff, morestuff, MB_ICONERROR | MB_OK);
4983 * Print a modal (Really Bad) message box and perform a fatal exit.
4985 void modalfatalbox(char *fmt, ...)
4988 char *stuff, morestuff[100];
4991 stuff = dupvprintf(fmt, ap);
4993 sprintf(morestuff, "%.70s Fatal Error", appname);
4994 MessageBox(hwnd, stuff, morestuff,
4995 MB_SYSTEMMODAL | MB_ICONERROR | MB_OK);
5000 static void flash_window(int mode);
5001 static long next_flash;
5002 static int flashing = 0;
5004 static void flash_window_timer(void *ctx, long now)
5006 if (flashing && now - next_flash >= 0) {
5012 * Manage window caption / taskbar flashing, if enabled.
5013 * 0 = stop, 1 = maintain, 2 = start
5015 static void flash_window(int mode)
5017 if ((mode == 0) || (cfg.beep_ind == B_IND_DISABLED)) {
5020 FlashWindow(hwnd, FALSE);
5024 } else if (mode == 2) {
5028 FlashWindow(hwnd, TRUE);
5029 next_flash = schedule_timer(450, flash_window_timer, hwnd);
5032 } else if ((mode == 1) && (cfg.beep_ind == B_IND_FLASH)) {
5035 FlashWindow(hwnd, TRUE); /* toggle */
5036 next_flash = schedule_timer(450, flash_window_timer, hwnd);
5044 void do_beep(void *frontend, int mode)
5046 if (mode == BELL_DEFAULT) {
5048 * For MessageBeep style bells, we want to be careful of
5049 * timing, because they don't have the nice property of
5050 * PlaySound bells that each one cancels the previous
5051 * active one. So we limit the rate to one per 50ms or so.
5053 static long lastbeep = 0;
5056 beepdiff = GetTickCount() - lastbeep;
5057 if (beepdiff >= 0 && beepdiff < 50)
5061 * The above MessageBeep call takes time, so we record the
5062 * time _after_ it finishes rather than before it starts.
5064 lastbeep = GetTickCount();
5065 } else if (mode == BELL_WAVEFILE) {
5066 if (!PlaySound(cfg.bell_wavefile.path, NULL,
5067 SND_ASYNC | SND_FILENAME)) {
5068 char buf[sizeof(cfg.bell_wavefile.path) + 80];
5070 sprintf(buf, "Unable to play sound file\n%s\n"
5071 "Using default sound instead", cfg.bell_wavefile.path);
5072 sprintf(otherbuf, "%.70s Sound Error", appname);
5073 MessageBox(hwnd, buf, otherbuf,
5074 MB_OK | MB_ICONEXCLAMATION);
5075 cfg.beep = BELL_DEFAULT;
5077 } else if (mode == BELL_PCSPEAKER) {
5078 static long lastbeep = 0;
5081 beepdiff = GetTickCount() - lastbeep;
5082 if (beepdiff >= 0 && beepdiff < 50)
5086 * We must beep in different ways depending on whether this
5087 * is a 95-series or NT-series OS.
5089 if(osVersion.dwPlatformId == VER_PLATFORM_WIN32_NT)
5093 lastbeep = GetTickCount();
5095 /* Otherwise, either visual bell or disabled; do nothing here */
5096 if (!term->has_focus) {
5097 flash_window(2); /* start */
5102 * Minimise or restore the window in response to a server-side
5105 void set_iconic(void *frontend, int iconic)
5107 if (IsIconic(hwnd)) {
5109 ShowWindow(hwnd, SW_RESTORE);
5112 ShowWindow(hwnd, SW_MINIMIZE);
5117 * Move the window in response to a server-side request.
5119 void move_window(void *frontend, int x, int y)
5121 if (cfg.resize_action == RESIZE_DISABLED ||
5122 cfg.resize_action == RESIZE_FONT ||
5126 SetWindowPos(hwnd, NULL, x, y, 0, 0, SWP_NOSIZE | SWP_NOZORDER);
5130 * Move the window to the top or bottom of the z-order in response
5131 * to a server-side request.
5133 void set_zorder(void *frontend, int top)
5135 if (cfg.alwaysontop)
5136 return; /* ignore */
5137 SetWindowPos(hwnd, top ? HWND_TOP : HWND_BOTTOM, 0, 0, 0, 0,
5138 SWP_NOMOVE | SWP_NOSIZE);
5142 * Refresh the window in response to a server-side request.
5144 void refresh_window(void *frontend)
5146 InvalidateRect(hwnd, NULL, TRUE);
5150 * Maximise or restore the window in response to a server-side
5153 void set_zoomed(void *frontend, int zoomed)
5155 if (IsZoomed(hwnd)) {
5157 ShowWindow(hwnd, SW_RESTORE);
5160 ShowWindow(hwnd, SW_MAXIMIZE);
5165 * Report whether the window is iconic, for terminal reports.
5167 int is_iconic(void *frontend)
5169 return IsIconic(hwnd);
5173 * Report the window's position, for terminal reports.
5175 void get_window_pos(void *frontend, int *x, int *y)
5178 GetWindowRect(hwnd, &r);
5184 * Report the window's pixel size, for terminal reports.
5186 void get_window_pixels(void *frontend, int *x, int *y)
5189 GetWindowRect(hwnd, &r);
5190 *x = r.right - r.left;
5191 *y = r.bottom - r.top;
5195 * Return the window or icon title.
5197 char *get_window_title(void *frontend, int icon)
5199 return icon ? icon_name : window_name;
5203 * See if we're in full-screen mode.
5205 static int is_full_screen()
5207 if (!IsZoomed(hwnd))
5209 if (GetWindowLongPtr(hwnd, GWL_STYLE) & WS_CAPTION)
5214 /* Get the rect/size of a full screen window using the nearest available
5215 * monitor in multimon systems; default to something sensible if only
5216 * one monitor is present. */
5217 static int get_fullscreen_rect(RECT * ss)
5219 #if defined(MONITOR_DEFAULTTONEAREST) && !defined(NO_MULTIMON)
5222 mon = MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST);
5223 mi.cbSize = sizeof(mi);
5224 GetMonitorInfo(mon, &mi);
5226 /* structure copy */
5230 /* could also use code like this:
5231 ss->left = ss->top = 0;
5232 ss->right = GetSystemMetrics(SM_CXSCREEN);
5233 ss->bottom = GetSystemMetrics(SM_CYSCREEN);
5235 return GetClientRect(GetDesktopWindow(), ss);
5241 * Go full-screen. This should only be called when we are already
5244 static void make_full_screen()
5249 assert(IsZoomed(hwnd));
5251 if (is_full_screen())
5254 /* Remove the window furniture. */
5255 style = GetWindowLongPtr(hwnd, GWL_STYLE);
5256 style &= ~(WS_CAPTION | WS_BORDER | WS_THICKFRAME);
5257 if (cfg.scrollbar_in_fullscreen)
5258 style |= WS_VSCROLL;
5260 style &= ~WS_VSCROLL;
5261 SetWindowLongPtr(hwnd, GWL_STYLE, style);
5263 /* Resize ourselves to exactly cover the nearest monitor. */
5264 get_fullscreen_rect(&ss);
5265 SetWindowPos(hwnd, HWND_TOP, ss.left, ss.top,
5270 /* We may have changed size as a result */
5274 /* Tick the menu item in the System menu. */
5275 CheckMenuItem(GetSystemMenu(hwnd, FALSE), IDM_FULLSCREEN,
5280 * Clear the full-screen attributes.
5282 static void clear_full_screen()
5284 DWORD oldstyle, style;
5286 /* Reinstate the window furniture. */
5287 style = oldstyle = GetWindowLongPtr(hwnd, GWL_STYLE);
5288 style |= WS_CAPTION | WS_BORDER;
5289 if (cfg.resize_action == RESIZE_DISABLED)
5290 style &= ~WS_THICKFRAME;
5292 style |= WS_THICKFRAME;
5294 style |= WS_VSCROLL;
5296 style &= ~WS_VSCROLL;
5297 if (style != oldstyle) {
5298 SetWindowLongPtr(hwnd, GWL_STYLE, style);
5299 SetWindowPos(hwnd, NULL, 0, 0, 0, 0,
5300 SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER |
5304 /* Untick the menu item in the System menu. */
5305 CheckMenuItem(GetSystemMenu(hwnd, FALSE), IDM_FULLSCREEN,
5310 * Toggle full-screen mode.
5312 static void flip_full_screen()
5314 if (is_full_screen()) {
5315 ShowWindow(hwnd, SW_RESTORE);
5316 } else if (IsZoomed(hwnd)) {
5319 SendMessage(hwnd, WM_FULLSCR_ON_MAX, 0, 0);
5320 ShowWindow(hwnd, SW_MAXIMIZE);
5324 void frontend_keypress(void *handle)
5327 * Keypress termination in non-Close-On-Exit mode is not
5328 * currently supported in PuTTY proper, because the window
5329 * always has a perfectly good Close button anyway. So we do
5335 int from_backend(void *frontend, int is_stderr, const char *data, int len)
5337 return term_data(term, is_stderr, data, len);
5340 int from_backend_untrusted(void *frontend, const char *data, int len)
5342 return term_data_untrusted(term, data, len);
5345 int get_userpass_input(prompts_t *p, unsigned char *in, int inlen)
5348 ret = cmdline_get_passwd_input(p, in, inlen);
5350 ret = term_get_userpass_input(term, p, in, inlen);
5354 void agent_schedule_callback(void (*callback)(void *, void *, int),
5355 void *callback_ctx, void *data, int len)
5357 struct agent_callback *c = snew(struct agent_callback);
5358 c->callback = callback;
5359 c->callback_ctx = callback_ctx;
5362 PostMessage(hwnd, WM_AGENT_CALLBACK, 0, (LPARAM)c);