projects / u / mdw / putty / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Robert de Bath's asynchronous-connect patch. Helps a lot in port
[u/mdw/putty] / window.c
1 #include <windows.h>
2 #include <imm.h>
3 #include <commctrl.h>
4 #include <mmsystem.h>
5 #ifndef AUTO_WINSOCK
6 #ifdef WINSOCK_TWO
7 #include <winsock2.h>
8 #else
9 #include <winsock.h>
10 #endif
11 #endif
12 #include <stdio.h>
13 #include <stdlib.h>
14 #include <ctype.h>
15 #include <time.h>
16
17 #define PUTTY_DO_GLOBALS /* actually _define_ globals */
18 #include "putty.h"
19 #include "winstuff.h"
20 #include "storage.h"
21 #include "win_res.h"
22
23 #define IDM_SHOWLOG 0x0010
24 #define IDM_NEWSESS 0x0020
25 #define IDM_DUPSESS 0x0030
26 #define IDM_RECONF 0x0040
27 #define IDM_CLRSB 0x0050
28 #define IDM_RESET 0x0060
29 #define IDM_TEL_AYT 0x0070
30 #define IDM_TEL_BRK 0x0080
31 #define IDM_TEL_SYNCH 0x0090
32 #define IDM_TEL_EC 0x00a0
33 #define IDM_TEL_EL 0x00b0
34 #define IDM_TEL_GA 0x00c0
35 #define IDM_TEL_NOP 0x00d0
36 #define IDM_TEL_ABORT 0x00e0
37 #define IDM_TEL_AO 0x00f0
38 #define IDM_TEL_IP 0x0100
39 #define IDM_TEL_SUSP 0x0110
40 #define IDM_TEL_EOR 0x0120
41 #define IDM_TEL_EOF 0x0130
42 #define IDM_ABOUT 0x0140
43 #define IDM_SAVEDSESS 0x0150
44 #define IDM_COPYALL 0x0160
45
46 #define IDM_SESSLGP 0x0250 /* log type printable */
47 #define IDM_SESSLGA 0x0260 /* log type all chars */
48 #define IDM_SESSLGE 0x0270 /* log end */
49 #define IDM_SAVED_MIN 0x1000
50 #define IDM_SAVED_MAX 0x2000
51
52 #define WM_IGNORE_SIZE (WM_XUSER + 1)
53 #define WM_IGNORE_CLIP (WM_XUSER + 2)
54
55 /* Needed for Chinese support and apparently not always defined. */
56 #ifndef VK_PROCESSKEY
57 #define VK_PROCESSKEY 0xE5
58 #endif
59
60 /* Needed for mouse wheel support and not defined in earlier SDKs. */
61 #ifndef WM_MOUSEWHEEL
62 #define WM_MOUSEWHEEL 0x020A
63 #endif
64
65 static LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
66 static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
67 unsigned char *output);
68 static void cfgtopalette(void);
69 static void init_palette(void);
70 static void init_fonts(int);
71 static void another_font(int);
72 static void deinit_fonts(void);
73
74 static int extra_width, extra_height;
75
76 static int pending_netevent = 0;
77 static WPARAM pend_netevent_wParam = 0;
78 static LPARAM pend_netevent_lParam = 0;
79 static void enact_pending_netevent(void);
80 static void flash_window(int mode);
81
82 static time_t last_movement = 0;
83
84 #define FONT_NORMAL 0
85 #define FONT_BOLD 1
86 #define FONT_UNDERLINE 2
87 #define FONT_BOLDUND 3
88 #define FONT_WIDE 0x04
89 #define FONT_HIGH 0x08
90 #define FONT_NARROW 0x10
91 #define FONT_OEM 0x20
92 #define FONT_OEMBOLD 0x21
93 #define FONT_OEMUND 0x22
94 #define FONT_OEMBOLDUND 0x23
95 #define FONT_MSGOTHIC 0x40
96 #define FONT_MINGLIU 0x60
97 #define FONT_GULIMCHE 0x80
98 #define FONT_MAXNO 0x8F
99 #define FONT_SHIFT 5
100 static HFONT fonts[FONT_MAXNO];
101 static int fontflag[FONT_MAXNO];
102 static enum {
103 BOLD_COLOURS, BOLD_SHADOW, BOLD_FONT
104 } bold_mode;
105 static enum {
106 UND_LINE, UND_FONT
107 } und_mode;
108 static int descent;
109
110 #define NCOLOURS 24
111 static COLORREF colours[NCOLOURS];
112 static HPALETTE pal;
113 static LPLOGPALETTE logpal;
114 static RGBTRIPLE defpal[NCOLOURS];
115
116 static HWND hwnd;
117
118 static HBITMAP caretbm;
119
120 static int dbltime, lasttime, lastact;
121 static Mouse_Button lastbtn;
122
123 /* this allows xterm-style mouse handling. */
124 static int send_raw_mouse = 0;
125 static int wheel_accumulator = 0;
126
127 static char *window_name, *icon_name;
128
129 static int compose_state = 0;
130
131 static OSVERSIONINFO osVersion;
132
133 /* Dummy routine, only required in plink. */
134 void ldisc_update(int echo, int edit)
135 {
136 }
137
138 int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show)
139 {
140 static char appname[] = "PuTTY";
141 WORD winsock_ver;
142 WSADATA wsadata;
143 WNDCLASS wndclass;
144 MSG msg;
145 int guess_width, guess_height;
146
147 hinst = inst;
148 flags = FLAG_VERBOSE | FLAG_INTERACTIVE;
149
150 winsock_ver = MAKEWORD(1, 1);
151 if (WSAStartup(winsock_ver, &wsadata)) {
152 MessageBox(NULL, "Unable to initialise WinSock", "WinSock Error",
153 MB_OK | MB_ICONEXCLAMATION);
154 return 1;
155 }
156 if (LOBYTE(wsadata.wVersion) != 1 || HIBYTE(wsadata.wVersion) != 1) {
157 MessageBox(NULL, "WinSock version is incompatible with 1.1",
158 "WinSock Error", MB_OK | MB_ICONEXCLAMATION);
159 WSACleanup();
160 return 1;
161 }
162 /* WISHLIST: maybe allow config tweaking even if winsock not present? */
163 sk_init();
164
165 InitCommonControls();
166
167 /* Ensure a Maximize setting in Explorer doesn't maximise the
168 * config box. */
169 defuse_showwindow();
170
171 {
172 ZeroMemory(&osVersion, sizeof(osVersion));
173 osVersion.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
174 if (!GetVersionEx ( (OSVERSIONINFO *) &osVersion)) {
175 MessageBox(NULL, "Windows refuses to report a version",
176 "PuTTY Fatal Error", MB_OK | MB_ICONEXCLAMATION);
177 return 1;
178 }
179 }
180
181 /*
182 * Process the command line.
183 */
184 {
185 char *p;
186
187 default_protocol = DEFAULT_PROTOCOL;
188 default_port = DEFAULT_PORT;
189 cfg.logtype = LGTYP_NONE;
190
191 do_defaults(NULL, &cfg);
192
193 p = cmdline;
194 while (*p && isspace(*p))
195 p++;
196
197 /*
198 * Process command line options first. Yes, this can be
199 * done better, and it will be as soon as I have the
200 * energy...
201 */
202 while (*p == '-') {
203 char *q = p + strcspn(p, " \t");
204 p++;
205 if (q == p + 3 &&
206 tolower(p[0]) == 's' &&
207 tolower(p[1]) == 's' && tolower(p[2]) == 'h') {
208 default_protocol = cfg.protocol = PROT_SSH;
209 default_port = cfg.port = 22;
210 } else if (q == p + 7 &&
211 tolower(p[0]) == 'c' &&
212 tolower(p[1]) == 'l' &&
213 tolower(p[2]) == 'e' &&
214 tolower(p[3]) == 'a' &&
215 tolower(p[4]) == 'n' &&
216 tolower(p[5]) == 'u' && tolower(p[6]) == 'p') {
217 /*
218 * `putty -cleanup'. Remove all registry entries
219 * associated with PuTTY, and also find and delete
220 * the random seed file.
221 */
222 if (MessageBox(NULL,
223 "This procedure will remove ALL Registry\n"
224 "entries associated with PuTTY, and will\n"
225 "also remove the PuTTY random seed file.\n"
226 "\n"
227 "THIS PROCESS WILL DESTROY YOUR SAVED\n"
228 "SESSIONS. Are you really sure you want\n"
229 "to continue?",
230 "PuTTY Warning",
231 MB_YESNO | MB_ICONWARNING) == IDYES) {
232 cleanup_all();
233 }
234 exit(0);
235 }
236 p = q + strspn(q, " \t");
237 }
238
239 /*
240 * An initial @ means to activate a saved session.
241 */
242 if (*p == '@') {
243 int i = strlen(p);
244 while (i > 1 && isspace(p[i - 1]))
245 i--;
246 p[i] = '\0';
247 do_defaults(p + 1, &cfg);
248 if (!*cfg.host && !do_config()) {
249 WSACleanup();
250 return 0;
251 }
252 } else if (*p == '&') {
253 /*
254 * An initial & means we've been given a command line
255 * containing the hex value of a HANDLE for a file
256 * mapping object, which we must then extract as a
257 * config.
258 */
259 HANDLE filemap;
260 Config *cp;
261 if (sscanf(p + 1, "%p", &filemap) == 1 &&
262 (cp = MapViewOfFile(filemap, FILE_MAP_READ,
263 0, 0, sizeof(Config))) != NULL) {
264 cfg = *cp;
265 UnmapViewOfFile(cp);
266 CloseHandle(filemap);
267 } else if (!do_config()) {
268 WSACleanup();
269 return 0;
270 }
271 } else if (*p) {
272 char *q = p;
273 /*
274 * If the hostname starts with "telnet:", set the
275 * protocol to Telnet and process the string as a
276 * Telnet URL.
277 */
278 if (!strncmp(q, "telnet:", 7)) {
279 char c;
280
281 q += 7;
282 if (q[0] == '/' && q[1] == '/')
283 q += 2;
284 cfg.protocol = PROT_TELNET;
285 p = q;
286 while (*p && *p != ':' && *p != '/')
287 p++;
288 c = *p;
289 if (*p)
290 *p++ = '\0';
291 if (c == ':')
292 cfg.port = atoi(p);
293 else
294 cfg.port = -1;
295 strncpy(cfg.host, q, sizeof(cfg.host) - 1);
296 cfg.host[sizeof(cfg.host) - 1] = '\0';
297 } else {
298 while (*p && !isspace(*p))
299 p++;
300 if (*p)
301 *p++ = '\0';
302 strncpy(cfg.host, q, sizeof(cfg.host) - 1);
303 cfg.host[sizeof(cfg.host) - 1] = '\0';
304 while (*p && isspace(*p))
305 p++;
306 if (*p)
307 cfg.port = atoi(p);
308 else
309 cfg.port = -1;
310 }
311 } else {
312 if (!do_config()) {
313 WSACleanup();
314 return 0;
315 }
316 }
317
318 /*
319 * Trim leading whitespace off the hostname if it's there.
320 */
321 {
322 int space = strspn(cfg.host, " \t");
323 memmove(cfg.host, cfg.host+space, 1+strlen(cfg.host)-space);
324 }
325
326 /* See if host is of the form user@host */
327 if (cfg.host[0] != '\0') {
328 char *atsign = strchr(cfg.host, '@');
329 /* Make sure we're not overflowing the user field */
330 if (atsign) {
331 if (atsign - cfg.host < sizeof cfg.username) {
332 strncpy(cfg.username, cfg.host, atsign - cfg.host);
333 cfg.username[atsign - cfg.host] = '\0';
334 }
335 memmove(cfg.host, atsign + 1, 1 + strlen(atsign + 1));
336 }
337 }
338
339 /*
340 * Trim a colon suffix off the hostname if it's there.
341 */
342 cfg.host[strcspn(cfg.host, ":")] = '\0';
343 }
344
345 /*
346 * Select protocol. This is farmed out into a table in a
347 * separate file to enable an ssh-free variant.
348 */
349 {
350 int i;
351 back = NULL;
352 for (i = 0; backends[i].backend != NULL; i++)
353 if (backends[i].protocol == cfg.protocol) {
354 back = backends[i].backend;
355 break;
356 }
357 if (back == NULL) {
358 MessageBox(NULL, "Unsupported protocol number found",
359 "PuTTY Internal Error", MB_OK | MB_ICONEXCLAMATION);
360 WSACleanup();
361 return 1;
362 }
363 }
364
365 /* Check for invalid Port number (i.e. zero) */
366 if (cfg.port == 0) {
367 MessageBox(NULL, "Invalid Port Number",
368 "PuTTY Internal Error", MB_OK | MB_ICONEXCLAMATION);
369 WSACleanup();
370 return 1;
371 }
372
373 if (!prev) {
374 wndclass.style = 0;
375 wndclass.lpfnWndProc = WndProc;
376 wndclass.cbClsExtra = 0;
377 wndclass.cbWndExtra = 0;
378 wndclass.hInstance = inst;
379 wndclass.hIcon = LoadIcon(inst, MAKEINTRESOURCE(IDI_MAINICON));
380 wndclass.hCursor = LoadCursor(NULL, IDC_IBEAM);
381 wndclass.hbrBackground = GetStockObject(BLACK_BRUSH);
382 wndclass.lpszMenuName = NULL;
383 wndclass.lpszClassName = appname;
384
385 RegisterClass(&wndclass);
386 }
387
388 hwnd = NULL;
389
390 savelines = cfg.savelines;
391 term_init();
392
393 cfgtopalette();
394
395 /*
396 * Guess some defaults for the window size. This all gets
397 * updated later, so we don't really care too much. However, we
398 * do want the font width/height guesses to correspond to a
399 * large font rather than a small one...
400 */
401
402 font_width = 10;
403 font_height = 20;
404 extra_width = 25;
405 extra_height = 28;
406 term_size(cfg.height, cfg.width, cfg.savelines);
407 guess_width = extra_width + font_width * cols;
408 guess_height = extra_height + font_height * rows;
409 {
410 RECT r;
411 HWND w = GetDesktopWindow();
412 GetWindowRect(w, &r);
413 if (guess_width > r.right - r.left)
414 guess_width = r.right - r.left;
415 if (guess_height > r.bottom - r.top)
416 guess_height = r.bottom - r.top;
417 }
418
419 {
420 int winmode = WS_OVERLAPPEDWINDOW | WS_VSCROLL;
421 int exwinmode = 0;
422 if (!cfg.scrollbar)
423 winmode &= ~(WS_VSCROLL);
424 if (cfg.locksize)
425 winmode &= ~(WS_THICKFRAME | WS_MAXIMIZEBOX);
426 if (cfg.alwaysontop)
427 exwinmode |= WS_EX_TOPMOST;
428 if (cfg.sunken_edge)
429 exwinmode |= WS_EX_CLIENTEDGE;
430 hwnd = CreateWindowEx(exwinmode, appname, appname,
431 winmode, CW_USEDEFAULT, CW_USEDEFAULT,
432 guess_width, guess_height,
433 NULL, NULL, inst, NULL);
434 }
435
436 /*
437 * Initialise the fonts, simultaneously correcting the guesses
438 * for font_{width,height}.
439 */
440 bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
441 und_mode = UND_FONT;
442 init_fonts(0);
443
444 /*
445 * Correct the guesses for extra_{width,height}.
446 */
447 {
448 RECT cr, wr;
449 GetWindowRect(hwnd, &wr);
450 GetClientRect(hwnd, &cr);
451 extra_width = wr.right - wr.left - cr.right + cr.left;
452 extra_height = wr.bottom - wr.top - cr.bottom + cr.top;
453 }
454
455 /*
456 * Resize the window, now we know what size we _really_ want it
457 * to be.
458 */
459 guess_width = extra_width + font_width * cols;
460 guess_height = extra_height + font_height * rows;
461 SendMessage(hwnd, WM_IGNORE_SIZE, 0, 0);
462 SetWindowPos(hwnd, NULL, 0, 0, guess_width, guess_height,
463 SWP_NOMOVE | SWP_NOREDRAW | SWP_NOZORDER);
464
465 /*
466 * Set up a caret bitmap, with no content.
467 */
468 {
469 char *bits;
470 int size = (font_width + 15) / 16 * 2 * font_height;
471 bits = smalloc(size);
472 memset(bits, 0, size);
473 caretbm = CreateBitmap(font_width, font_height, 1, 1, bits);
474 sfree(bits);
475 }
476 CreateCaret(hwnd, caretbm, font_width, font_height);
477
478 /*
479 * Initialise the scroll bar.
480 */
481 {
482 SCROLLINFO si;
483
484 si.cbSize = sizeof(si);
485 si.fMask = SIF_ALL | SIF_DISABLENOSCROLL;
486 si.nMin = 0;
487 si.nMax = rows - 1;
488 si.nPage = rows;
489 si.nPos = 0;
490 SetScrollInfo(hwnd, SB_VERT, &si, FALSE);
491 }
492
493 /*
494 * Start up the telnet connection.
495 */
496 {
497 char *error;
498 char msg[1024], *title;
499 char *realhost;
500
501 error = back->init(cfg.host, cfg.port, &realhost);
502 if (error) {
503 sprintf(msg, "Unable to open connection to\n"
504 "%.800s\n" "%s", cfg.host, error);
505 MessageBox(NULL, msg, "PuTTY Error", MB_ICONERROR | MB_OK);
506 return 0;
507 }
508 window_name = icon_name = NULL;
509 if (*cfg.wintitle) {
510 title = cfg.wintitle;
511 } else {
512 sprintf(msg, "%s - PuTTY", realhost);
513 title = msg;
514 }
515 sfree(realhost);
516 set_title(title);
517 set_icon(title);
518 }
519
520 session_closed = FALSE;
521
522 /*
523 * Set up the input and output buffers.
524 */
525 inbuf_head = 0;
526 outbuf_reap = outbuf_head = 0;
527
528 /*
529 * Prepare the mouse handler.
530 */
531 lastact = MA_NOTHING;
532 lastbtn = MBT_NOTHING;
533 dbltime = GetDoubleClickTime();
534
535 /*
536 * Set up the session-control options on the system menu.
537 */
538 {
539 HMENU m = GetSystemMenu(hwnd, FALSE);
540 HMENU p, s;
541 int i;
542
543 AppendMenu(m, MF_SEPARATOR, 0, 0);
544 if (cfg.protocol == PROT_TELNET) {
545 p = CreateMenu();
546 AppendMenu(p, MF_ENABLED, IDM_TEL_AYT, "Are You There");
547 AppendMenu(p, MF_ENABLED, IDM_TEL_BRK, "Break");
548 AppendMenu(p, MF_ENABLED, IDM_TEL_SYNCH, "Synch");
549 AppendMenu(p, MF_SEPARATOR, 0, 0);
550 AppendMenu(p, MF_ENABLED, IDM_TEL_EC, "Erase Character");
551 AppendMenu(p, MF_ENABLED, IDM_TEL_EL, "Erase Line");
552 AppendMenu(p, MF_ENABLED, IDM_TEL_GA, "Go Ahead");
553 AppendMenu(p, MF_ENABLED, IDM_TEL_NOP, "No Operation");
554 AppendMenu(p, MF_SEPARATOR, 0, 0);
555 AppendMenu(p, MF_ENABLED, IDM_TEL_ABORT, "Abort Process");
556 AppendMenu(p, MF_ENABLED, IDM_TEL_AO, "Abort Output");
557 AppendMenu(p, MF_ENABLED, IDM_TEL_IP, "Interrupt Process");
558 AppendMenu(p, MF_ENABLED, IDM_TEL_SUSP, "Suspend Process");
559 AppendMenu(p, MF_SEPARATOR, 0, 0);
560 AppendMenu(p, MF_ENABLED, IDM_TEL_EOR, "End Of Record");
561 AppendMenu(p, MF_ENABLED, IDM_TEL_EOF, "End Of File");
562 AppendMenu(m, MF_POPUP | MF_ENABLED, (UINT) p,
563 "Telnet Command");
564 AppendMenu(m, MF_SEPARATOR, 0, 0);
565 }
566 AppendMenu(m, MF_ENABLED, IDM_SHOWLOG, "&Event Log");
567 AppendMenu(m, MF_SEPARATOR, 0, 0);
568 AppendMenu(m, MF_ENABLED, IDM_NEWSESS, "Ne&w Session...");
569 AppendMenu(m, MF_ENABLED, IDM_DUPSESS, "&Duplicate Session");
570 s = CreateMenu();
571 get_sesslist(TRUE);
572 for (i = 1; i < ((nsessions < 256) ? nsessions : 256); i++)
573 AppendMenu(s, MF_ENABLED, IDM_SAVED_MIN + (16 * i),
574 sessions[i]);
575 AppendMenu(m, MF_POPUP | MF_ENABLED, (UINT) s, "Sa&ved Sessions");
576 AppendMenu(m, MF_ENABLED, IDM_RECONF, "Chan&ge Settings...");
577 AppendMenu(m, MF_SEPARATOR, 0, 0);
578 AppendMenu(m, MF_ENABLED, IDM_COPYALL, "C&opy All to Clipboard");
579 AppendMenu(m, MF_ENABLED, IDM_CLRSB, "C&lear Scrollback");
580 AppendMenu(m, MF_ENABLED, IDM_RESET, "Rese&t Terminal");
581 AppendMenu(m, MF_SEPARATOR, 0, 0);
582 AppendMenu(m, MF_ENABLED, IDM_ABOUT, "&About PuTTY");
583 }
584
585 /*
586 * Finally show the window!
587 */
588 ShowWindow(hwnd, show);
589 SetForegroundWindow(hwnd);
590
591 /*
592 * Open the initial log file if there is one.
593 */
594 logfopen();
595
596 /*
597 * Set the palette up.
598 */
599 pal = NULL;
600 logpal = NULL;
601 init_palette();
602
603 has_focus = (GetForegroundWindow() == hwnd);
604 UpdateWindow(hwnd);
605
606 if (GetMessage(&msg, NULL, 0, 0) == 1) {
607 int timer_id = 0, long_timer = 0;
608
609 while (msg.message != WM_QUIT) {
610 /* Sometimes DispatchMessage calls routines that use their own
611 * GetMessage loop, setup this timer so we get some control back.
612 *
613 * Also call term_update() from the timer so that if the host
614 * is sending data flat out we still do redraws.
615 */
616 if (timer_id && long_timer) {
617 KillTimer(hwnd, timer_id);
618 long_timer = timer_id = 0;
619 }
620 if (!timer_id)
621 timer_id = SetTimer(hwnd, 1, 20, NULL);
622 if (!(IsWindow(logbox) && IsDialogMessage(logbox, &msg)))
623 DispatchMessage(&msg);
624
625 /* Make sure we blink everything that needs it. */
626 term_blink(0);
627
628 /* Send the paste buffer if there's anything to send */
629 term_paste();
630
631 /* If there's nothing new in the queue then we can do everything
632 * we've delayed, reading the socket, writing, and repainting
633 * the window.
634 */
635 if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
636 continue;
637
638 if (pending_netevent) {
639 enact_pending_netevent();
640
641 /* Force the cursor blink on */
642 term_blink(1);
643
644 if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
645 continue;
646 }
647
648 /* Okay there is now nothing to do so we make sure the screen is
649 * completely up to date then tell windows to call us in a little
650 * while.
651 */
652 if (timer_id) {
653 KillTimer(hwnd, timer_id);
654 timer_id = 0;
655 }
656 HideCaret(hwnd);
657 if (inbuf_head)
658 term_out();
659 term_update();
660 ShowCaret(hwnd);
661
662 flash_window(1); /* maintain */
663
664 if (in_vbell)
665 /* Hmm, term_update didn't want to do an update too soon ... */
666 timer_id = SetTimer(hwnd, 1, 50, NULL);
667 else if (!has_focus)
668 timer_id = SetTimer(hwnd, 1, 500, NULL);
669 else
670 timer_id = SetTimer(hwnd, 1, 100, NULL);
671 long_timer = 1;
672
673 /* There's no point rescanning everything in the message queue
674 * so we do an apparently unnecessary wait here
675 */
676 WaitMessage();
677 if (GetMessage(&msg, NULL, 0, 0) != 1)
678 break;
679 }
680 }
681
682 /*
683 * Clean up.
684 */
685 deinit_fonts();
686 sfree(logpal);
687 if (pal)
688 DeleteObject(pal);
689 WSACleanup();
690
691 if (cfg.protocol == PROT_SSH) {
692 random_save_seed();
693 #ifdef MSCRYPTOAPI
694 crypto_wrapup();
695 #endif
696 }
697
698 return msg.wParam;
699 }
700
701 /*
702 * Set up, or shut down, an AsyncSelect. Called from winnet.c.
703 */
704 char *do_select(SOCKET skt, int startup)
705 {
706 int msg, events;
707 if (startup) {
708 msg = WM_NETEVENT;
709 events = (FD_CONNECT | FD_READ | FD_WRITE |
710 FD_OOB | FD_CLOSE | FD_ACCEPT);
711 } else {
712 msg = events = 0;
713 }
714 if (!hwnd)
715 return "do_select(): internal error (hwnd==NULL)";
716 if (WSAAsyncSelect(skt, hwnd, msg, events) == SOCKET_ERROR) {
717 switch (WSAGetLastError()) {
718 case WSAENETDOWN:
719 return "Network is down";
720 default:
721 return "WSAAsyncSelect(): unknown error";
722 }
723 }
724 return NULL;
725 }
726
727 /*
728 * set or clear the "raw mouse message" mode
729 */
730 void set_raw_mouse_mode(int activate)
731 {
732 send_raw_mouse = activate;
733 SetCursor(LoadCursor(NULL, activate ? IDC_ARROW : IDC_IBEAM));
734 }
735
736 /*
737 * Print a message box and close the connection.
738 */
739 void connection_fatal(char *fmt, ...)
740 {
741 va_list ap;
742 char stuff[200];
743
744 va_start(ap, fmt);
745 vsprintf(stuff, fmt, ap);
746 va_end(ap);
747 MessageBox(hwnd, stuff, "PuTTY Fatal Error", MB_ICONERROR | MB_OK);
748 if (cfg.close_on_exit == COE_ALWAYS)
749 PostQuitMessage(1);
750 else {
751 session_closed = TRUE;
752 SetWindowText(hwnd, "PuTTY (inactive)");
753 }
754 }
755
756 /*
757 * Actually do the job requested by a WM_NETEVENT
758 */
759 static void enact_pending_netevent(void)
760 {
761 static int reentering = 0;
762 extern int select_result(WPARAM, LPARAM);
763 int ret;
764
765 if (reentering)
766 return; /* don't unpend the pending */
767
768 pending_netevent = FALSE;
769
770 reentering = 1;
771 ret = select_result(pend_netevent_wParam, pend_netevent_lParam);
772 reentering = 0;
773
774 if (ret == 0 && !session_closed) {
775 /* Abnormal exits will already have set session_closed and taken
776 * appropriate action. */
777 if (cfg.close_on_exit == COE_ALWAYS ||
778 cfg.close_on_exit == COE_NORMAL) PostQuitMessage(0);
779 else {
780 session_closed = TRUE;
781 SetWindowText(hwnd, "PuTTY (inactive)");
782 MessageBox(hwnd, "Connection closed by remote host",
783 "PuTTY", MB_OK | MB_ICONINFORMATION);
784 }
785 }
786 }
787
788 /*
789 * Copy the colour palette from the configuration data into defpal.
790 * This is non-trivial because the colour indices are different.
791 */
792 static void cfgtopalette(void)
793 {
794 int i;
795 static const int ww[] = {
796 6, 7, 8, 9, 10, 11, 12, 13,
797 14, 15, 16, 17, 18, 19, 20, 21,
798 0, 1, 2, 3, 4, 4, 5, 5
799 };
800
801 for (i = 0; i < 24; i++) {
802 int w = ww[i];
803 defpal[i].rgbtRed = cfg.colours[w][0];
804 defpal[i].rgbtGreen = cfg.colours[w][1];
805 defpal[i].rgbtBlue = cfg.colours[w][2];
806 }
807 }
808
809 /*
810 * Set up the colour palette.
811 */
812 static void init_palette(void)
813 {
814 int i;
815 HDC hdc = GetDC(hwnd);
816 if (hdc) {
817 if (cfg.try_palette && GetDeviceCaps(hdc, RASTERCAPS) & RC_PALETTE) {
818 logpal = smalloc(sizeof(*logpal)
819 - sizeof(logpal->palPalEntry)
820 + NCOLOURS * sizeof(PALETTEENTRY));
821 logpal->palVersion = 0x300;
822 logpal->palNumEntries = NCOLOURS;
823 for (i = 0; i < NCOLOURS; i++) {
824 logpal->palPalEntry[i].peRed = defpal[i].rgbtRed;
825 logpal->palPalEntry[i].peGreen = defpal[i].rgbtGreen;
826 logpal->palPalEntry[i].peBlue = defpal[i].rgbtBlue;
827 logpal->palPalEntry[i].peFlags = PC_NOCOLLAPSE;
828 }
829 pal = CreatePalette(logpal);
830 if (pal) {
831 SelectPalette(hdc, pal, FALSE);
832 RealizePalette(hdc);
833 SelectPalette(hdc, GetStockObject(DEFAULT_PALETTE), FALSE);
834 }
835 }
836 ReleaseDC(hwnd, hdc);
837 }
838 if (pal)
839 for (i = 0; i < NCOLOURS; i++)
840 colours[i] = PALETTERGB(defpal[i].rgbtRed,
841 defpal[i].rgbtGreen,
842 defpal[i].rgbtBlue);
843 else
844 for (i = 0; i < NCOLOURS; i++)
845 colours[i] = RGB(defpal[i].rgbtRed,
846 defpal[i].rgbtGreen, defpal[i].rgbtBlue);
847 }
848
849 /*
850 * Initialise all the fonts we will need initially. There may be as many as
851 * three or as few as one. The other (poentially) twentyone fonts are done
852 * if/when they are needed.
853 *
854 * We also:
855 *
856 * - check the font width and height, correcting our guesses if
857 * necessary.
858 *
859 * - verify that the bold font is the same width as the ordinary
860 * one, and engage shadow bolding if not.
861 *
862 * - verify that the underlined font is the same width as the
863 * ordinary one (manual underlining by means of line drawing can
864 * be done in a pinch).
865 */
866 static void init_fonts(int pick_width)
867 {
868 TEXTMETRIC tm;
869 CPINFO cpinfo;
870 int fontsize[3];
871 int i;
872 HDC hdc;
873 int fw_dontcare, fw_bold;
874
875 for (i = 0; i < FONT_MAXNO; i++)
876 fonts[i] = NULL;
877
878 if (cfg.fontisbold) {
879 fw_dontcare = FW_BOLD;
880 fw_bold = FW_HEAVY;
881 } else {
882 fw_dontcare = FW_DONTCARE;
883 fw_bold = FW_BOLD;
884 }
885
886 hdc = GetDC(hwnd);
887
888 font_height = cfg.fontheight;
889 if (font_height > 0) {
890 font_height =
891 -MulDiv(font_height, GetDeviceCaps(hdc, LOGPIXELSY), 72);
892 }
893 font_width = pick_width;
894
895 #define f(i,c,w,u) \
896 fonts[i] = CreateFont (font_height, font_width, 0, 0, w, FALSE, u, FALSE, \
897 c, OUT_DEFAULT_PRECIS, \
898 CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, \
899 FIXED_PITCH | FF_DONTCARE, cfg.font)
900
901 f(FONT_NORMAL, cfg.fontcharset, fw_dontcare, FALSE);
902
903 SelectObject(hdc, fonts[FONT_NORMAL]);
904 GetTextMetrics(hdc, &tm);
905 font_height = tm.tmHeight;
906 font_width = tm.tmAveCharWidth;
907
908 {
909 CHARSETINFO info;
910 DWORD cset = tm.tmCharSet;
911 memset(&info, 0xFF, sizeof(info));
912
913 /* !!! Yes the next line is right */
914 if (cset == OEM_CHARSET)
915 font_codepage = GetOEMCP();
916 else
917 if (TranslateCharsetInfo
918 ((DWORD *) cset, &info, TCI_SRCCHARSET)) font_codepage =
919 info.ciACP;
920 else
921 font_codepage = -1;
922
923 GetCPInfo(font_codepage, &cpinfo);
924 dbcs_screenfont = (cpinfo.MaxCharSize > 1);
925 }
926
927 f(FONT_UNDERLINE, cfg.fontcharset, fw_dontcare, TRUE);
928
929 /*
930 * Some fonts, e.g. 9-pt Courier, draw their underlines
931 * outside their character cell. We successfully prevent
932 * screen corruption by clipping the text output, but then
933 * we lose the underline completely. Here we try to work
934 * out whether this is such a font, and if it is, we set a
935 * flag that causes underlines to be drawn by hand.
936 *
937 * Having tried other more sophisticated approaches (such
938 * as examining the TEXTMETRIC structure or requesting the
939 * height of a string), I think we'll do this the brute
940 * force way: we create a small bitmap, draw an underlined
941 * space on it, and test to see whether any pixels are
942 * foreground-coloured. (Since we expect the underline to
943 * go all the way across the character cell, we only search
944 * down a single column of the bitmap, half way across.)
945 */
946 {
947 HDC und_dc;
948 HBITMAP und_bm, und_oldbm;
949 int i, gotit;
950 COLORREF c;
951
952 und_dc = CreateCompatibleDC(hdc);
953 und_bm = CreateCompatibleBitmap(hdc, font_width, font_height);
954 und_oldbm = SelectObject(und_dc, und_bm);
955 SelectObject(und_dc, fonts[FONT_UNDERLINE]);
956 SetTextAlign(und_dc, TA_TOP | TA_LEFT | TA_NOUPDATECP);
957 SetTextColor(und_dc, RGB(255, 255, 255));
958 SetBkColor(und_dc, RGB(0, 0, 0));
959 SetBkMode(und_dc, OPAQUE);
960 ExtTextOut(und_dc, 0, 0, ETO_OPAQUE, NULL, " ", 1, NULL);
961 gotit = FALSE;
962 for (i = 0; i < font_height; i++) {
963 c = GetPixel(und_dc, font_width / 2, i);
964 if (c != RGB(0, 0, 0))
965 gotit = TRUE;
966 }
967 SelectObject(und_dc, und_oldbm);
968 DeleteObject(und_bm);
969 DeleteDC(und_dc);
970 if (!gotit) {
971 und_mode = UND_LINE;
972 DeleteObject(fonts[FONT_UNDERLINE]);
973 fonts[FONT_UNDERLINE] = 0;
974 }
975 }
976
977 if (bold_mode == BOLD_FONT) {
978 f(FONT_BOLD, cfg.fontcharset, fw_bold, FALSE);
979 }
980 #undef f
981
982 descent = tm.tmAscent + 1;
983 if (descent >= font_height)
984 descent = font_height - 1;
985
986 for (i = 0; i < 3; i++) {
987 if (fonts[i]) {
988 if (SelectObject(hdc, fonts[i]) && GetTextMetrics(hdc, &tm))
989 fontsize[i] = tm.tmAveCharWidth + 256 * tm.tmHeight;
990 else
991 fontsize[i] = -i;
992 } else
993 fontsize[i] = -i;
994 }
995
996 ReleaseDC(hwnd, hdc);
997
998 if (fontsize[FONT_UNDERLINE] != fontsize[FONT_NORMAL]) {
999 und_mode = UND_LINE;
1000 DeleteObject(fonts[FONT_UNDERLINE]);
1001 fonts[FONT_UNDERLINE] = 0;
1002 }
1003
1004 if (bold_mode == BOLD_FONT &&
1005 fontsize[FONT_BOLD] != fontsize[FONT_NORMAL]) {
1006 bold_mode = BOLD_SHADOW;
1007 DeleteObject(fonts[FONT_BOLD]);
1008 fonts[FONT_BOLD] = 0;
1009 }
1010 fontflag[0] = fontflag[1] = fontflag[2] = 1;
1011
1012 init_ucs_tables();
1013 }
1014
1015 static void another_font(int fontno)
1016 {
1017 int basefont;
1018 int fw_dontcare, fw_bold;
1019 int c, u, w, x;
1020 char *s;
1021
1022 if (fontno < 0 || fontno >= FONT_MAXNO || fontflag[fontno])
1023 return;
1024
1025 basefont = (fontno & ~(FONT_BOLDUND));
1026 if (basefont != fontno && !fontflag[basefont])
1027 another_font(basefont);
1028
1029 if (cfg.fontisbold) {
1030 fw_dontcare = FW_BOLD;
1031 fw_bold = FW_HEAVY;
1032 } else {
1033 fw_dontcare = FW_DONTCARE;
1034 fw_bold = FW_BOLD;
1035 }
1036
1037 c = cfg.fontcharset;
1038 w = fw_dontcare;
1039 u = FALSE;
1040 s = cfg.font;
1041 x = font_width;
1042
1043 if (fontno & FONT_WIDE)
1044 x *= 2;
1045 if (fontno & FONT_NARROW)
1046 x /= 2;
1047 if (fontno & FONT_OEM)
1048 c = OEM_CHARSET;
1049 if (fontno & FONT_BOLD)
1050 w = fw_bold;
1051 if (fontno & FONT_UNDERLINE)
1052 u = TRUE;
1053
1054 fonts[fontno] =
1055 CreateFont(font_height * (1 + !!(fontno & FONT_HIGH)), x, 0, 0, w,
1056 FALSE, u, FALSE, c, OUT_DEFAULT_PRECIS,
1057 CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY,
1058 FIXED_PITCH | FF_DONTCARE, s);
1059
1060 fontflag[fontno] = 1;
1061 }
1062
1063 static void deinit_fonts(void)
1064 {
1065 int i;
1066 for (i = 0; i < FONT_MAXNO; i++) {
1067 if (fonts[i])
1068 DeleteObject(fonts[i]);
1069 fonts[i] = 0;
1070 fontflag[i] = 0;
1071 }
1072 }
1073
1074 void request_resize(int w, int h, int refont)
1075 {
1076 int width, height;
1077
1078 /* If the window is maximized supress resizing attempts */
1079 if (IsZoomed(hwnd))
1080 return;
1081
1082 if (refont && w != cols && (cols == 80 || cols == 132)) {
1083 /* If font width too big for screen should we shrink the font more ? */
1084 if (w == 132)
1085 font_width = ((font_width * cols + w / 2) / w);
1086 else
1087 font_width = 0;
1088 deinit_fonts();
1089 bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
1090 und_mode = UND_FONT;
1091 init_fonts(font_width);
1092 } else {
1093 static int first_time = 1;
1094 static RECT ss;
1095
1096 switch (first_time) {
1097 case 1:
1098 /* Get the size of the screen */
1099 if (GetClientRect(GetDesktopWindow(), &ss))
1100 /* first_time = 0 */ ;
1101 else {
1102 first_time = 2;
1103 break;
1104 }
1105 case 0:
1106 /* Make sure the values are sane */
1107 width = (ss.right - ss.left - extra_width) / font_width;
1108 height = (ss.bottom - ss.top - extra_height) / font_height;
1109
1110 if (w > width)
1111 w = width;
1112 if (h > height)
1113 h = height;
1114 if (w < 15)
1115 w = 15;
1116 if (h < 1)
1117 w = 1;
1118 }
1119 }
1120
1121 width = extra_width + font_width * w;
1122 height = extra_height + font_height * h;
1123
1124 SetWindowPos(hwnd, NULL, 0, 0, width, height,
1125 SWP_NOACTIVATE | SWP_NOCOPYBITS |
1126 SWP_NOMOVE | SWP_NOZORDER);
1127 }
1128
1129 static void click(Mouse_Button b, int x, int y, int shift, int ctrl)
1130 {
1131 int thistime = GetMessageTime();
1132
1133 if (send_raw_mouse && !(cfg.mouse_override && shift)) {
1134 lastbtn = MBT_NOTHING;
1135 term_mouse(b, MA_CLICK, x, y, shift, ctrl);
1136 return;
1137 }
1138
1139 if (lastbtn == b && thistime - lasttime < dbltime) {
1140 lastact = (lastact == MA_CLICK ? MA_2CLK :
1141 lastact == MA_2CLK ? MA_3CLK :
1142 lastact == MA_3CLK ? MA_CLICK : MA_NOTHING);
1143 } else {
1144 lastbtn = b;
1145 lastact = MA_CLICK;
1146 }
1147 if (lastact != MA_NOTHING)
1148 term_mouse(b, lastact, x, y, shift, ctrl);
1149 lasttime = thistime;
1150 }
1151
1152 /*
1153 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
1154 * into a cooked one (SELECT, EXTEND, PASTE).
1155 */
1156 Mouse_Button translate_button(Mouse_Button button)
1157 {
1158 if (button == MBT_LEFT)
1159 return MBT_SELECT;
1160 if (button == MBT_MIDDLE)
1161 return cfg.mouse_is_xterm ? MBT_PASTE : MBT_EXTEND;
1162 if (button == MBT_RIGHT)
1163 return cfg.mouse_is_xterm ? MBT_EXTEND : MBT_PASTE;
1164 return 0; /* shouldn't happen */
1165 }
1166
1167 static void show_mouseptr(int show)
1168 {
1169 static int cursor_visible = 1;
1170 if (!cfg.hide_mouseptr) /* override if this feature disabled */
1171 show = 1;
1172 if (cursor_visible && !show)
1173 ShowCursor(FALSE);
1174 else if (!cursor_visible && show)
1175 ShowCursor(TRUE);
1176 cursor_visible = show;
1177 }
1178
1179 static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
1180 WPARAM wParam, LPARAM lParam)
1181 {
1182 HDC hdc;
1183 static int ignore_size = FALSE;
1184 static int ignore_clip = FALSE;
1185 static int just_reconfigged = FALSE;
1186 static int resizing = FALSE;
1187 static int need_backend_resize = FALSE;
1188 static int defered_resize = FALSE;
1189
1190 switch (message) {
1191 case WM_TIMER:
1192 if (pending_netevent)
1193 enact_pending_netevent();
1194 if (inbuf_head)
1195 term_out();
1196 noise_regular();
1197 HideCaret(hwnd);
1198 term_update();
1199 ShowCaret(hwnd);
1200 if (cfg.ping_interval > 0) {
1201 time_t now;
1202 time(&now);
1203 if (now - last_movement > cfg.ping_interval) {
1204 back->special(TS_PING);
1205 last_movement = now;
1206 }
1207 }
1208 return 0;
1209 case WM_CREATE:
1210 break;
1211 case WM_CLOSE:
1212 show_mouseptr(1);
1213 if (!cfg.warn_on_close || session_closed ||
1214 MessageBox(hwnd,
1215 "Are you sure you want to close this session?",
1216 "PuTTY Exit Confirmation",
1217 MB_ICONWARNING | MB_OKCANCEL) == IDOK)
1218 DestroyWindow(hwnd);
1219 return 0;
1220 case WM_DESTROY:
1221 show_mouseptr(1);
1222 PostQuitMessage(0);
1223 return 0;
1224 case WM_SYSCOMMAND:
1225 switch (wParam & ~0xF) { /* low 4 bits reserved to Windows */
1226 case IDM_SHOWLOG:
1227 showeventlog(hwnd);
1228 break;
1229 case IDM_NEWSESS:
1230 case IDM_DUPSESS:
1231 case IDM_SAVEDSESS:
1232 {
1233 char b[2048];
1234 char c[30], *cl;
1235 int freecl = FALSE;
1236 STARTUPINFO si;
1237 PROCESS_INFORMATION pi;
1238 HANDLE filemap = NULL;
1239
1240 if (wParam == IDM_DUPSESS) {
1241 /*
1242 * Allocate a file-mapping memory chunk for the
1243 * config structure.
1244 */
1245 SECURITY_ATTRIBUTES sa;
1246 Config *p;
1247
1248 sa.nLength = sizeof(sa);
1249 sa.lpSecurityDescriptor = NULL;
1250 sa.bInheritHandle = TRUE;
1251 filemap = CreateFileMapping((HANDLE) 0xFFFFFFFF,
1252 &sa,
1253 PAGE_READWRITE,
1254 0, sizeof(Config), NULL);
1255 if (filemap) {
1256 p = (Config *) MapViewOfFile(filemap,
1257 FILE_MAP_WRITE,
1258 0, 0, sizeof(Config));
1259 if (p) {
1260 *p = cfg; /* structure copy */
1261 UnmapViewOfFile(p);
1262 }
1263 }
1264 sprintf(c, "putty &%p", filemap);
1265 cl = c;
1266 } else if (wParam == IDM_SAVEDSESS) {
1267 char *session =
1268 sessions[(lParam - IDM_SAVED_MIN) / 16];
1269 cl = smalloc(16 + strlen(session)); /* 8, but play safe */
1270 if (!cl)
1271 cl = NULL; /* not a very important failure mode */
1272 else {
1273 sprintf(cl, "putty @%s", session);
1274 freecl = TRUE;
1275 }
1276 } else
1277 cl = NULL;
1278
1279 GetModuleFileName(NULL, b, sizeof(b) - 1);
1280 si.cb = sizeof(si);
1281 si.lpReserved = NULL;
1282 si.lpDesktop = NULL;
1283 si.lpTitle = NULL;
1284 si.dwFlags = 0;
1285 si.cbReserved2 = 0;
1286 si.lpReserved2 = NULL;
1287 CreateProcess(b, cl, NULL, NULL, TRUE,
1288 NORMAL_PRIORITY_CLASS, NULL, NULL, &si, &pi);
1289
1290 if (filemap)
1291 CloseHandle(filemap);
1292 if (freecl)
1293 sfree(cl);
1294 }
1295 break;
1296 case IDM_RECONF:
1297 {
1298 int prev_alwaysontop = cfg.alwaysontop;
1299 int prev_sunken_edge = cfg.sunken_edge;
1300 char oldlogfile[FILENAME_MAX];
1301 int oldlogtype;
1302 int need_setwpos = FALSE;
1303 int old_fwidth, old_fheight;
1304
1305 strcpy(oldlogfile, cfg.logfilename);
1306 oldlogtype = cfg.logtype;
1307 old_fwidth = font_width;
1308 old_fheight = font_height;
1309 GetWindowText(hwnd, cfg.wintitle, sizeof(cfg.wintitle));
1310
1311 if (!do_reconfig(hwnd))
1312 break;
1313
1314 if (strcmp(oldlogfile, cfg.logfilename) ||
1315 oldlogtype != cfg.logtype) {
1316 logfclose(); /* reset logging */
1317 logfopen();
1318 }
1319
1320 just_reconfigged = TRUE;
1321 deinit_fonts();
1322 bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
1323 und_mode = UND_FONT;
1324 init_fonts(0);
1325 sfree(logpal);
1326 /*
1327 * Flush the line discipline's edit buffer in the
1328 * case where local editing has just been disabled.
1329 */
1330 ldisc_send(NULL, 0);
1331 if (pal)
1332 DeleteObject(pal);
1333 logpal = NULL;
1334 pal = NULL;
1335 cfgtopalette();
1336 init_palette();
1337
1338 /* Enable or disable the scroll bar, etc */
1339 {
1340 LONG nflg, flag = GetWindowLong(hwnd, GWL_STYLE);
1341 LONG nexflag, exflag =
1342 GetWindowLong(hwnd, GWL_EXSTYLE);
1343
1344 nexflag = exflag;
1345 if (cfg.alwaysontop != prev_alwaysontop) {
1346 if (cfg.alwaysontop) {
1347 nexflag |= WS_EX_TOPMOST;
1348 SetWindowPos(hwnd, HWND_TOPMOST, 0, 0, 0, 0,
1349 SWP_NOMOVE | SWP_NOSIZE);
1350 } else {
1351 nexflag &= ~(WS_EX_TOPMOST);
1352 SetWindowPos(hwnd, HWND_NOTOPMOST, 0, 0, 0, 0,
1353 SWP_NOMOVE | SWP_NOSIZE);
1354 }
1355 }
1356 if (cfg.sunken_edge)
1357 nexflag |= WS_EX_CLIENTEDGE;
1358 else
1359 nexflag &= ~(WS_EX_CLIENTEDGE);
1360
1361 nflg = flag;
1362 if (cfg.scrollbar)
1363 nflg |= WS_VSCROLL;
1364 else
1365 nflg &= ~WS_VSCROLL;
1366 if (cfg.locksize)
1367 nflg &= ~(WS_THICKFRAME | WS_MAXIMIZEBOX);
1368 else
1369 nflg |= (WS_THICKFRAME | WS_MAXIMIZEBOX);
1370
1371 if (nflg != flag || nexflag != exflag) {
1372 RECT cr, wr;
1373
1374 if (nflg != flag)
1375 SetWindowLong(hwnd, GWL_STYLE, nflg);
1376 if (nexflag != exflag)
1377 SetWindowLong(hwnd, GWL_EXSTYLE, nexflag);
1378
1379 SendMessage(hwnd, WM_IGNORE_SIZE, 0, 0);
1380
1381 SetWindowPos(hwnd, NULL, 0, 0, 0, 0,
1382 SWP_NOACTIVATE | SWP_NOCOPYBITS |
1383 SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER
1384 | SWP_FRAMECHANGED);
1385
1386 GetWindowRect(hwnd, &wr);
1387 GetClientRect(hwnd, &cr);
1388 extra_width =
1389 wr.right - wr.left - cr.right + cr.left;
1390 extra_height =
1391 wr.bottom - wr.top - cr.bottom + cr.top;
1392 need_setwpos = TRUE;
1393 }
1394 }
1395
1396 if (cfg.height != rows ||
1397 cfg.width != cols ||
1398 old_fwidth != font_width ||
1399 old_fheight != font_height ||
1400 cfg.savelines != savelines ||
1401 cfg.sunken_edge != prev_sunken_edge)
1402 need_setwpos = TRUE;
1403
1404 if (IsZoomed(hwnd)) {
1405 int w, h;
1406 RECT cr;
1407 if (need_setwpos)
1408 defered_resize = TRUE;
1409
1410 GetClientRect(hwnd, &cr);
1411 w = cr.right - cr.left;
1412 h = cr.bottom - cr.top;
1413 w = w / font_width;
1414 if (w < 1)
1415 w = 1;
1416 h = h / font_height;
1417 if (h < 1)
1418 h = 1;
1419
1420 term_size(h, w, cfg.savelines);
1421 InvalidateRect(hwnd, NULL, TRUE);
1422 back->size();
1423 } else {
1424 term_size(cfg.height, cfg.width, cfg.savelines);
1425 InvalidateRect(hwnd, NULL, TRUE);
1426 if (need_setwpos) {
1427 SetWindowPos(hwnd, NULL, 0, 0,
1428 extra_width + font_width * cfg.width,
1429 extra_height +
1430 font_height * cfg.height,
1431 SWP_NOACTIVATE | SWP_NOCOPYBITS |
1432 SWP_NOMOVE | SWP_NOZORDER);
1433 }
1434 }
1435 /* Oops */
1436 if (cfg.locksize && IsZoomed(hwnd))
1437 force_normal(hwnd);
1438 set_title(cfg.wintitle);
1439 if (IsIconic(hwnd)) {
1440 SetWindowText(hwnd,
1441 cfg.win_name_always ? window_name :
1442 icon_name);
1443 }
1444 }
1445 break;
1446 case IDM_COPYALL:
1447 term_copyall();
1448 break;
1449 case IDM_CLRSB:
1450 term_clrsb();
1451 break;
1452 case IDM_RESET:
1453 term_pwron();
1454 break;
1455 case IDM_TEL_AYT:
1456 back->special(TS_AYT);
1457 break;
1458 case IDM_TEL_BRK:
1459 back->special(TS_BRK);
1460 break;
1461 case IDM_TEL_SYNCH:
1462 back->special(TS_SYNCH);
1463 break;
1464 case IDM_TEL_EC:
1465 back->special(TS_EC);
1466 break;
1467 case IDM_TEL_EL:
1468 back->special(TS_EL);
1469 break;
1470 case IDM_TEL_GA:
1471 back->special(TS_GA);
1472 break;
1473 case IDM_TEL_NOP:
1474 back->special(TS_NOP);
1475 break;
1476 case IDM_TEL_ABORT:
1477 back->special(TS_ABORT);
1478 break;
1479 case IDM_TEL_AO:
1480 back->special(TS_AO);
1481 break;
1482 case IDM_TEL_IP:
1483 back->special(TS_IP);
1484 break;
1485 case IDM_TEL_SUSP:
1486 back->special(TS_SUSP);
1487 break;
1488 case IDM_TEL_EOR:
1489 back->special(TS_EOR);
1490 break;
1491 case IDM_TEL_EOF:
1492 back->special(TS_EOF);
1493 break;
1494 case IDM_ABOUT:
1495 showabout(hwnd);
1496 break;
1497 case SC_KEYMENU:
1498 /*
1499 * We get this if the System menu has been activated.
1500 * This might happen from within TranslateKey, in which
1501 * case it really wants to be followed by a `space'
1502 * character to actually _bring the menu up_ rather
1503 * than just sitting there in `ready to appear' state.
1504 */
1505 if( lParam == 0 )
1506 PostMessage(hwnd, WM_CHAR, ' ', 0);
1507 break;
1508 default:
1509 if (wParam >= IDM_SAVED_MIN && wParam <= IDM_SAVED_MAX) {
1510 SendMessage(hwnd, WM_SYSCOMMAND, IDM_SAVEDSESS, wParam);
1511 }
1512 }
1513 break;
1514
1515 #define X_POS(l) ((int)(short)LOWORD(l))
1516 #define Y_POS(l) ((int)(short)HIWORD(l))
1517
1518 #define TO_CHR_X(x) (((x)<0 ? (x)-font_width+1 : (x)) / font_width)
1519 #define TO_CHR_Y(y) (((y)<0 ? (y)-font_height+1: (y)) / font_height)
1520 #define WHEEL_DELTA 120
1521 case WM_MOUSEWHEEL:
1522 {
1523 wheel_accumulator += (short) HIWORD(wParam);
1524 wParam = LOWORD(wParam);
1525
1526 /* process events when the threshold is reached */
1527 while (abs(wheel_accumulator) >= WHEEL_DELTA) {
1528 int b;
1529
1530 /* reduce amount for next time */
1531 if (wheel_accumulator > 0) {
1532 b = MBT_WHEEL_UP;
1533 wheel_accumulator -= WHEEL_DELTA;
1534 } else if (wheel_accumulator < 0) {
1535 b = MBT_WHEEL_DOWN;
1536 wheel_accumulator += WHEEL_DELTA;
1537 } else
1538 break;
1539
1540 if (send_raw_mouse) {
1541 /* send a mouse-down followed by a mouse up */
1542 term_mouse(b,
1543 MA_CLICK,
1544 TO_CHR_X(X_POS(lParam)),
1545 TO_CHR_Y(Y_POS(lParam)), wParam & MK_SHIFT,
1546 wParam & MK_CONTROL);
1547 term_mouse(b, MA_RELEASE, TO_CHR_X(X_POS(lParam)),
1548 TO_CHR_Y(Y_POS(lParam)), wParam & MK_SHIFT,
1549 wParam & MK_CONTROL);
1550 } else {
1551 /* trigger a scroll */
1552 term_scroll(0,
1553 b == MBT_WHEEL_UP ? -rows / 2 : rows / 2);
1554 }
1555 }
1556 return 0;
1557 }
1558 case WM_LBUTTONDOWN:
1559 case WM_MBUTTONDOWN:
1560 case WM_RBUTTONDOWN:
1561 case WM_LBUTTONUP:
1562 case WM_MBUTTONUP:
1563 case WM_RBUTTONUP:
1564 {
1565 int button, press;
1566 switch (message) {
1567 case WM_LBUTTONDOWN:
1568 button = MBT_LEFT;
1569 press = 1;
1570 break;
1571 case WM_MBUTTONDOWN:
1572 button = MBT_MIDDLE;
1573 press = 1;
1574 break;
1575 case WM_RBUTTONDOWN:
1576 button = MBT_RIGHT;
1577 press = 1;
1578 break;
1579 case WM_LBUTTONUP:
1580 button = MBT_LEFT;
1581 press = 0;
1582 break;
1583 case WM_MBUTTONUP:
1584 button = MBT_MIDDLE;
1585 press = 0;
1586 break;
1587 case WM_RBUTTONUP:
1588 button = MBT_RIGHT;
1589 press = 0;
1590 break;
1591 default:
1592 button = press = 0; /* shouldn't happen */
1593 }
1594 show_mouseptr(1);
1595 if (press) {
1596 click(button,
1597 TO_CHR_X(X_POS(lParam)), TO_CHR_Y(Y_POS(lParam)),
1598 wParam & MK_SHIFT, wParam & MK_CONTROL);
1599 SetCapture(hwnd);
1600 } else {
1601 term_mouse(button, MA_RELEASE,
1602 TO_CHR_X(X_POS(lParam)),
1603 TO_CHR_Y(Y_POS(lParam)), wParam & MK_SHIFT,
1604 wParam & MK_CONTROL);
1605 ReleaseCapture();
1606 }
1607 }
1608 return 0;
1609 case WM_MOUSEMOVE:
1610 show_mouseptr(1);
1611 /*
1612 * Add the mouse position and message time to the random
1613 * number noise.
1614 */
1615 noise_ultralight(lParam);
1616
1617 if (wParam & (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON)) {
1618 Mouse_Button b;
1619 if (wParam & MK_LBUTTON)
1620 b = MBT_LEFT;
1621 else if (wParam & MK_MBUTTON)
1622 b = MBT_MIDDLE;
1623 else
1624 b = MBT_RIGHT;
1625 term_mouse(b, MA_DRAG, TO_CHR_X(X_POS(lParam)),
1626 TO_CHR_Y(Y_POS(lParam)), wParam & MK_SHIFT,
1627 wParam & MK_CONTROL);
1628 }
1629 return 0;
1630 case WM_NCMOUSEMOVE:
1631 show_mouseptr(1);
1632 noise_ultralight(lParam);
1633 return 0;
1634 case WM_IGNORE_CLIP:
1635 ignore_clip = wParam; /* don't panic on DESTROYCLIPBOARD */
1636 break;
1637 case WM_DESTROYCLIPBOARD:
1638 if (!ignore_clip)
1639 term_deselect();
1640 ignore_clip = FALSE;
1641 return 0;
1642 case WM_PAINT:
1643 {
1644 PAINTSTRUCT p;
1645 HideCaret(hwnd);
1646 hdc = BeginPaint(hwnd, &p);
1647 if (pal) {
1648 SelectPalette(hdc, pal, TRUE);
1649 RealizePalette(hdc);
1650 }
1651 term_paint(hdc, p.rcPaint.left, p.rcPaint.top,
1652 p.rcPaint.right, p.rcPaint.bottom);
1653 SelectObject(hdc, GetStockObject(SYSTEM_FONT));
1654 SelectObject(hdc, GetStockObject(WHITE_PEN));
1655 EndPaint(hwnd, &p);
1656 ShowCaret(hwnd);
1657 }
1658 return 0;
1659 case WM_NETEVENT:
1660 /* Notice we can get multiple netevents, FD_READ, FD_WRITE etc
1661 * but the only one that's likely to try to overload us is FD_READ.
1662 * This means buffering just one is fine.
1663 */
1664 if (pending_netevent)
1665 enact_pending_netevent();
1666
1667 pending_netevent = TRUE;
1668 pend_netevent_wParam = wParam;
1669 pend_netevent_lParam = lParam;
1670 if (WSAGETSELECTEVENT(lParam) != FD_READ)
1671 enact_pending_netevent();
1672
1673 time(&last_movement);
1674 return 0;
1675 case WM_SETFOCUS:
1676 has_focus = TRUE;
1677 CreateCaret(hwnd, caretbm, font_width, font_height);
1678 ShowCaret(hwnd);
1679 flash_window(0); /* stop */
1680 compose_state = 0;
1681 term_out();
1682 term_update();
1683 break;
1684 case WM_KILLFOCUS:
1685 show_mouseptr(1);
1686 has_focus = FALSE;
1687 DestroyCaret();
1688 term_out();
1689 term_update();
1690 break;
1691 case WM_IGNORE_SIZE:
1692 ignore_size = TRUE; /* don't panic on next WM_SIZE msg */
1693 break;
1694 case WM_ENTERSIZEMOVE:
1695 EnableSizeTip(1);
1696 resizing = TRUE;
1697 need_backend_resize = FALSE;
1698 break;
1699 case WM_EXITSIZEMOVE:
1700 EnableSizeTip(0);
1701 resizing = FALSE;
1702 if (need_backend_resize)
1703 back->size();
1704 break;
1705 case WM_SIZING:
1706 {
1707 int width, height, w, h, ew, eh;
1708 LPRECT r = (LPRECT) lParam;
1709
1710 width = r->right - r->left - extra_width;
1711 height = r->bottom - r->top - extra_height;
1712 w = (width + font_width / 2) / font_width;
1713 if (w < 1)
1714 w = 1;
1715 h = (height + font_height / 2) / font_height;
1716 if (h < 1)
1717 h = 1;
1718 UpdateSizeTip(hwnd, w, h);
1719 ew = width - w * font_width;
1720 eh = height - h * font_height;
1721 if (ew != 0) {
1722 if (wParam == WMSZ_LEFT ||
1723 wParam == WMSZ_BOTTOMLEFT || wParam == WMSZ_TOPLEFT)
1724 r->left += ew;
1725 else
1726 r->right -= ew;
1727 }
1728 if (eh != 0) {
1729 if (wParam == WMSZ_TOP ||
1730 wParam == WMSZ_TOPRIGHT || wParam == WMSZ_TOPLEFT)
1731 r->top += eh;
1732 else
1733 r->bottom -= eh;
1734 }
1735 if (ew || eh)
1736 return 1;
1737 else
1738 return 0;
1739 }
1740 /* break; (never reached) */
1741 case WM_SIZE:
1742 if (wParam == SIZE_MINIMIZED) {
1743 SetWindowText(hwnd,
1744 cfg.win_name_always ? window_name : icon_name);
1745 break;
1746 }
1747 if (wParam == SIZE_RESTORED || wParam == SIZE_MAXIMIZED)
1748 SetWindowText(hwnd, window_name);
1749 if (!ignore_size) {
1750 int width, height, w, h;
1751 #if 0 /* we have fixed this using WM_SIZING now */
1752 int ew, eh;
1753 #endif
1754
1755 width = LOWORD(lParam);
1756 height = HIWORD(lParam);
1757 w = width / font_width;
1758 if (w < 1)
1759 w = 1;
1760 h = height / font_height;
1761 if (h < 1)
1762 h = 1;
1763 #if 0 /* we have fixed this using WM_SIZING now */
1764 ew = width - w * font_width;
1765 eh = height - h * font_height;
1766 if (ew != 0 || eh != 0) {
1767 RECT r;
1768 GetWindowRect(hwnd, &r);
1769 SendMessage(hwnd, WM_IGNORE_SIZE, 0, 0);
1770 SetWindowPos(hwnd, NULL, 0, 0,
1771 r.right - r.left - ew, r.bottom - r.top - eh,
1772 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
1773 }
1774 #endif
1775 if (w != cols || h != rows || just_reconfigged) {
1776 term_invalidate();
1777 term_size(h, w, cfg.savelines);
1778 /*
1779 * Don't call back->size in mid-resize. (To prevent
1780 * massive numbers of resize events getting sent
1781 * down the connection during an NT opaque drag.)
1782 */
1783 if (!resizing)
1784 back->size();
1785 else {
1786 need_backend_resize = TRUE;
1787 cfg.height = h;
1788 cfg.width = w;
1789 }
1790 just_reconfigged = FALSE;
1791 }
1792 }
1793 if (wParam == SIZE_RESTORED && defered_resize) {
1794 defered_resize = FALSE;
1795 SetWindowPos(hwnd, NULL, 0, 0,
1796 extra_width + font_width * cfg.width,
1797 extra_height + font_height * cfg.height,
1798 SWP_NOACTIVATE | SWP_NOCOPYBITS |
1799 SWP_NOMOVE | SWP_NOZORDER);
1800 }
1801 ignore_size = FALSE;
1802 return 0;
1803 case WM_VSCROLL:
1804 switch (LOWORD(wParam)) {
1805 case SB_BOTTOM:
1806 term_scroll(-1, 0);
1807 break;
1808 case SB_TOP:
1809 term_scroll(+1, 0);
1810 break;
1811 case SB_LINEDOWN:
1812 term_scroll(0, +1);
1813 break;
1814 case SB_LINEUP:
1815 term_scroll(0, -1);
1816 break;
1817 case SB_PAGEDOWN:
1818 term_scroll(0, +rows / 2);
1819 break;
1820 case SB_PAGEUP:
1821 term_scroll(0, -rows / 2);
1822 break;
1823 case SB_THUMBPOSITION:
1824 case SB_THUMBTRACK:
1825 term_scroll(1, HIWORD(wParam));
1826 break;
1827 }
1828 break;
1829 case WM_PALETTECHANGED:
1830 if ((HWND) wParam != hwnd && pal != NULL) {
1831 HDC hdc = get_ctx();
1832 if (hdc) {
1833 if (RealizePalette(hdc) > 0)
1834 UpdateColors(hdc);
1835 free_ctx(hdc);
1836 }
1837 }
1838 break;
1839 case WM_QUERYNEWPALETTE:
1840 if (pal != NULL) {
1841 HDC hdc = get_ctx();
1842 if (hdc) {
1843 if (RealizePalette(hdc) > 0)
1844 UpdateColors(hdc);
1845 free_ctx(hdc);
1846 return TRUE;
1847 }
1848 }
1849 return FALSE;
1850 case WM_KEYDOWN:
1851 case WM_SYSKEYDOWN:
1852 case WM_KEYUP:
1853 case WM_SYSKEYUP:
1854 /*
1855 * Add the scan code and keypress timing to the random
1856 * number noise.
1857 */
1858 noise_ultralight(lParam);
1859
1860 /*
1861 * We don't do TranslateMessage since it disassociates the
1862 * resulting CHAR message from the KEYDOWN that sparked it,
1863 * which we occasionally don't want. Instead, we process
1864 * KEYDOWN, and call the Win32 translator functions so that
1865 * we get the translations under _our_ control.
1866 */
1867 {
1868 unsigned char buf[20];
1869 int len;
1870
1871 if (wParam == VK_PROCESSKEY) {
1872 MSG m;
1873 m.hwnd = hwnd;
1874 m.message = WM_KEYDOWN;
1875 m.wParam = wParam;
1876 m.lParam = lParam & 0xdfff;
1877 TranslateMessage(&m);
1878 } else {
1879 len = TranslateKey(message, wParam, lParam, buf);
1880 if (len == -1)
1881 return DefWindowProc(hwnd, message, wParam, lParam);
1882
1883 if (len != 0) {
1884 /*
1885 * We need not bother about stdin backlogs
1886 * here, because in GUI PuTTY we can't do
1887 * anything about it anyway; there's no means
1888 * of asking Windows to hold off on KEYDOWN
1889 * messages. We _have_ to buffer everything
1890 * we're sent.
1891 */
1892 ldisc_send(buf, len);
1893 show_mouseptr(0);
1894 }
1895 }
1896 }
1897 return 0;
1898 case WM_INPUTLANGCHANGE:
1899 {
1900 /* wParam == Font number */
1901 /* lParam == Locale */
1902 char lbuf[20];
1903 HKL NewInputLocale = (HKL) lParam;
1904
1905 // lParam == GetKeyboardLayout(0);
1906
1907 GetLocaleInfo(LOWORD(NewInputLocale),
1908 LOCALE_IDEFAULTANSICODEPAGE, lbuf, sizeof(lbuf));
1909
1910 kbd_codepage = atoi(lbuf);
1911 }
1912 break;
1913 case WM_IME_COMPOSITION:
1914 {
1915 HIMC hIMC;
1916 int n;
1917 char *buff;
1918
1919 if(osVersion.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS ||
1920 osVersion.dwPlatformId == VER_PLATFORM_WIN32s) break; /* no Unicode */
1921
1922 if ((lParam & GCS_RESULTSTR) == 0) /* Composition unfinished. */
1923 break; /* fall back to DefWindowProc */
1924
1925 hIMC = ImmGetContext(hwnd);
1926 n = ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, NULL, 0);
1927
1928 if (n > 0) {
1929 buff = (char*) smalloc(n);
1930 ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, buff, n);
1931 luni_send((unsigned short *)buff, n / 2);
1932 free(buff);
1933 }
1934 ImmReleaseContext(hwnd, hIMC);
1935 return 1;
1936 }
1937
1938 case WM_IME_CHAR:
1939 if (wParam & 0xFF00) {
1940 unsigned char buf[2];
1941
1942 buf[1] = wParam;
1943 buf[0] = wParam >> 8;
1944 lpage_send(kbd_codepage, buf, 2);
1945 } else {
1946 char c = (unsigned char) wParam;
1947 lpage_send(kbd_codepage, &c, 1);
1948 }
1949 return (0);
1950 case WM_CHAR:
1951 case WM_SYSCHAR:
1952 /*
1953 * Nevertheless, we are prepared to deal with WM_CHAR
1954 * messages, should they crop up. So if someone wants to
1955 * post the things to us as part of a macro manoeuvre,
1956 * we're ready to cope.
1957 */
1958 {
1959 char c = (unsigned char)wParam;
1960 lpage_send(CP_ACP, &c, 1);
1961 }
1962 return 0;
1963 case WM_SETCURSOR:
1964 if (send_raw_mouse) {
1965 SetCursor(LoadCursor(NULL, IDC_ARROW));
1966 return TRUE;
1967 }
1968 }
1969
1970 return DefWindowProc(hwnd, message, wParam, lParam);
1971 }
1972
1973 /*
1974 * Move the system caret. (We maintain one, even though it's
1975 * invisible, for the benefit of blind people: apparently some
1976 * helper software tracks the system caret, so we should arrange to
1977 * have one.)
1978 */
1979 void sys_cursor(int x, int y)
1980 {
1981 COMPOSITIONFORM cf;
1982 HIMC hIMC;
1983
1984 if (!has_focus) return;
1985
1986 SetCaretPos(x * font_width, y * font_height);
1987
1988 /* IMM calls on Win98 and beyond only */
1989 if(osVersion.dwPlatformId == VER_PLATFORM_WIN32s) return; /* 3.11 */
1990
1991 if(osVersion.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS &&
1992 osVersion.dwMinorVersion == 0) return; /* 95 */
1993
1994 /* we should have the IMM functions */
1995 hIMC = ImmGetContext(hwnd);
1996 cf.dwStyle = CFS_POINT;
1997 cf.ptCurrentPos.x = x * font_width;
1998 cf.ptCurrentPos.y = y * font_height;
1999 ImmSetCompositionWindow(hIMC, &cf);
2000
2001 ImmReleaseContext(hwnd, hIMC);
2002 }
2003
2004 /*
2005 * Draw a line of text in the window, at given character
2006 * coordinates, in given attributes.
2007 *
2008 * We are allowed to fiddle with the contents of `text'.
2009 */
2010 void do_text(Context ctx, int x, int y, char *text, int len,
2011 unsigned long attr, int lattr)
2012 {
2013 COLORREF fg, bg, t;
2014 int nfg, nbg, nfont;
2015 HDC hdc = ctx;
2016 RECT line_box;
2017 int force_manual_underline = 0;
2018 int fnt_width = font_width * (1 + (lattr != LATTR_NORM));
2019 int char_width = fnt_width;
2020 int text_adjust = 0;
2021 static int *IpDx = 0, IpDxLEN = 0;
2022
2023 if (attr & ATTR_WIDE)
2024 char_width *= 2;
2025
2026 if (len > IpDxLEN || IpDx[0] != char_width) {
2027 int i;
2028 if (len > IpDxLEN) {
2029 sfree(IpDx);
2030 IpDx = smalloc((len + 16) * sizeof(int));
2031 IpDxLEN = (len + 16);
2032 }
2033 for (i = 0; i < IpDxLEN; i++)
2034 IpDx[i] = char_width;
2035 }
2036
2037 x *= fnt_width;
2038 y *= font_height;
2039
2040 if ((attr & TATTR_ACTCURS) && (cfg.cursor_type == 0 || big_cursor)) {
2041 attr &= ATTR_CUR_AND | (bold_mode != BOLD_COLOURS ? ATTR_BOLD : 0);
2042 attr ^= ATTR_CUR_XOR;
2043 }
2044
2045 nfont = 0;
2046 if (cfg.vtmode == VT_POORMAN && lattr != LATTR_NORM) {
2047 /* Assume a poorman font is borken in other ways too. */
2048 lattr = LATTR_WIDE;
2049 } else
2050 switch (lattr) {
2051 case LATTR_NORM:
2052 break;
2053 case LATTR_WIDE:
2054 nfont |= FONT_WIDE;
2055 break;
2056 default:
2057 nfont |= FONT_WIDE + FONT_HIGH;
2058 break;
2059 }
2060
2061 /* Special hack for the VT100 linedraw glyphs. */
2062 if ((attr & CSET_MASK) == 0x2300) {
2063 if (!dbcs_screenfont &&
2064 text[0] >= (char) 0xBA && text[0] <= (char) 0xBD) {
2065 switch ((unsigned char) (text[0])) {
2066 case 0xBA:
2067 text_adjust = -2 * font_height / 5;
2068 break;
2069 case 0xBB:
2070 text_adjust = -1 * font_height / 5;
2071 break;
2072 case 0xBC:
2073 text_adjust = font_height / 5;
2074 break;
2075 case 0xBD:
2076 text_adjust = 2 * font_height / 5;
2077 break;
2078 }
2079 if (lattr == LATTR_TOP || lattr == LATTR_BOT)
2080 text_adjust *= 2;
2081 attr &= ~CSET_MASK;
2082 text[0] = (char) (unitab_xterm['q'] & CHAR_MASK);
2083 attr |= (unitab_xterm['q'] & CSET_MASK);
2084 if (attr & ATTR_UNDER) {
2085 attr &= ~ATTR_UNDER;
2086 force_manual_underline = 1;
2087 }
2088 }
2089 }
2090
2091 /* Anything left as an original character set is unprintable. */
2092 if (DIRECT_CHAR(attr)) {
2093 attr &= ~CSET_MASK;
2094 attr |= 0xFF00;
2095 memset(text, 0xFF, len);
2096 }
2097
2098 /* OEM CP */
2099 if ((attr & CSET_MASK) == ATTR_OEMCP)
2100 nfont |= FONT_OEM;
2101
2102 nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
2103 nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
2104 if (bold_mode == BOLD_FONT && (attr & ATTR_BOLD))
2105 nfont |= FONT_BOLD;
2106 if (und_mode == UND_FONT && (attr & ATTR_UNDER))
2107 nfont |= FONT_UNDERLINE;
2108 another_font(nfont);
2109 if (!fonts[nfont]) {
2110 if (nfont & FONT_UNDERLINE)
2111 force_manual_underline = 1;
2112 /* Don't do the same for manual bold, it could be bad news. */
2113
2114 nfont &= ~(FONT_BOLD | FONT_UNDERLINE);
2115 }
2116 another_font(nfont);
2117 if (!fonts[nfont])
2118 nfont = FONT_NORMAL;
2119 if (attr & ATTR_REVERSE) {
2120 t = nfg;
2121 nfg = nbg;
2122 nbg = t;
2123 }
2124 if (bold_mode == BOLD_COLOURS && (attr & ATTR_BOLD))
2125 nfg++;
2126 if (bold_mode == BOLD_COLOURS && (attr & ATTR_BLINK))
2127 nbg++;
2128 fg = colours[nfg];
2129 bg = colours[nbg];
2130 SelectObject(hdc, fonts[nfont]);
2131 SetTextColor(hdc, fg);
2132 SetBkColor(hdc, bg);
2133 SetBkMode(hdc, OPAQUE);
2134 line_box.left = x;
2135 line_box.top = y;
2136 line_box.right = x + char_width * len;
2137 line_box.bottom = y + font_height;
2138
2139 /* We're using a private area for direct to font. (512 chars.) */
2140 if (dbcs_screenfont && (attr & CSET_MASK) == ATTR_ACP) {
2141 /* Ho Hum, dbcs fonts are a PITA! */
2142 /* To display on W9x I have to convert to UCS */
2143 static wchar_t *uni_buf = 0;
2144 static int uni_len = 0;
2145 int nlen;
2146 if (len > uni_len) {
2147 sfree(uni_buf);
2148 uni_buf = smalloc((uni_len = len) * sizeof(wchar_t));
2149 }
2150 nlen = MultiByteToWideChar(font_codepage, MB_USEGLYPHCHARS,
2151 text, len, uni_buf, uni_len);
2152
2153 if (nlen <= 0)
2154 return; /* Eeek! */
2155
2156 ExtTextOutW(hdc, x,
2157 y - font_height * (lattr == LATTR_BOT) + text_adjust,
2158 ETO_CLIPPED | ETO_OPAQUE, &line_box, uni_buf, nlen, 0);
2159 if (bold_mode == BOLD_SHADOW && (attr & ATTR_BOLD)) {
2160 SetBkMode(hdc, TRANSPARENT);
2161 ExtTextOutW(hdc, x - 1,
2162 y - font_height * (lattr ==
2163 LATTR_BOT) + text_adjust,
2164 ETO_CLIPPED, &line_box, uni_buf, nlen, 0);
2165 }
2166 } else if (DIRECT_FONT(attr)) {
2167 ExtTextOut(hdc, x,
2168 y - font_height * (lattr == LATTR_BOT) + text_adjust,
2169 ETO_CLIPPED | ETO_OPAQUE, &line_box, text, len, IpDx);
2170 if (bold_mode == BOLD_SHADOW && (attr & ATTR_BOLD)) {
2171 SetBkMode(hdc, TRANSPARENT);
2172
2173 /* GRR: This draws the character outside it's box and can leave
2174 * 'droppings' even with the clip box! I suppose I could loop it
2175 * one character at a time ... yuk.
2176 *
2177 * Or ... I could do a test print with "W", and use +1 or -1 for this
2178 * shift depending on if the leftmost column is blank...
2179 */
2180 ExtTextOut(hdc, x - 1,
2181 y - font_height * (lattr ==
2182 LATTR_BOT) + text_adjust,
2183 ETO_CLIPPED, &line_box, text, len, IpDx);
2184 }
2185 } else {
2186 /* And 'normal' unicode characters */
2187 static WCHAR *wbuf = NULL;
2188 static int wlen = 0;
2189 int i;
2190 if (wlen < len) {
2191 sfree(wbuf);
2192 wlen = len;
2193 wbuf = smalloc(wlen * sizeof(WCHAR));
2194 }
2195 for (i = 0; i < len; i++)
2196 wbuf[i] = (WCHAR) ((attr & CSET_MASK) + (text[i] & CHAR_MASK));
2197
2198 ExtTextOutW(hdc, x,
2199 y - font_height * (lattr == LATTR_BOT) + text_adjust,
2200 ETO_CLIPPED | ETO_OPAQUE, &line_box, wbuf, len, IpDx);
2201
2202 /* And the shadow bold hack. */
2203 if (bold_mode == BOLD_SHADOW) {
2204 SetBkMode(hdc, TRANSPARENT);
2205 ExtTextOutW(hdc, x - 1,
2206 y - font_height * (lattr ==
2207 LATTR_BOT) + text_adjust,
2208 ETO_CLIPPED, &line_box, wbuf, len, IpDx);
2209 }
2210 }
2211 if (lattr != LATTR_TOP && (force_manual_underline ||
2212 (und_mode == UND_LINE
2213 && (attr & ATTR_UNDER)))) {
2214 HPEN oldpen;
2215 int dec = descent;
2216 if (lattr == LATTR_BOT)
2217 dec = dec * 2 - font_height;
2218
2219 oldpen = SelectObject(hdc, CreatePen(PS_SOLID, 0, fg));
2220 MoveToEx(hdc, x, y + dec, NULL);
2221 LineTo(hdc, x + len * char_width, y + dec);
2222 oldpen = SelectObject(hdc, oldpen);
2223 DeleteObject(oldpen);
2224 }
2225 }
2226
2227 void do_cursor(Context ctx, int x, int y, char *text, int len,
2228 unsigned long attr, int lattr)
2229 {
2230
2231 int fnt_width;
2232 int char_width;
2233 HDC hdc = ctx;
2234 int ctype = cfg.cursor_type;
2235
2236 if ((attr & TATTR_ACTCURS) && (ctype == 0 || big_cursor)) {
2237 if (((attr & CSET_MASK) | (unsigned char) *text) != UCSWIDE) {
2238 do_text(ctx, x, y, text, len, attr, lattr);
2239 return;
2240 }
2241 ctype = 2;
2242 attr |= TATTR_RIGHTCURS;
2243 }
2244
2245 fnt_width = char_width = font_width * (1 + (lattr != LATTR_NORM));
2246 if (attr & ATTR_WIDE)
2247 char_width *= 2;
2248 x *= fnt_width;
2249 y *= font_height;
2250
2251 if ((attr & TATTR_PASCURS) && (ctype == 0 || big_cursor)) {
2252 POINT pts[5];
2253 HPEN oldpen;
2254 pts[0].x = pts[1].x = pts[4].x = x;
2255 pts[2].x = pts[3].x = x + char_width - 1;
2256 pts[0].y = pts[3].y = pts[4].y = y;
2257 pts[1].y = pts[2].y = y + font_height - 1;
2258 oldpen = SelectObject(hdc, CreatePen(PS_SOLID, 0, colours[23]));
2259 Polyline(hdc, pts, 5);
2260 oldpen = SelectObject(hdc, oldpen);
2261 DeleteObject(oldpen);
2262 } else if ((attr & (TATTR_ACTCURS | TATTR_PASCURS)) && ctype != 0) {
2263 int startx, starty, dx, dy, length, i;
2264 if (ctype == 1) {
2265 startx = x;
2266 starty = y + descent;
2267 dx = 1;
2268 dy = 0;
2269 length = char_width;
2270 } else {
2271 int xadjust = 0;
2272 if (attr & TATTR_RIGHTCURS)
2273 xadjust = char_width - 1;
2274 startx = x + xadjust;
2275 starty = y;
2276 dx = 0;
2277 dy = 1;
2278 length = font_height;
2279 }
2280 if (attr & TATTR_ACTCURS) {
2281 HPEN oldpen;
2282 oldpen =
2283 SelectObject(hdc, CreatePen(PS_SOLID, 0, colours[23]));
2284 MoveToEx(hdc, startx, starty, NULL);
2285 LineTo(hdc, startx + dx * length, starty + dy * length);
2286 oldpen = SelectObject(hdc, oldpen);
2287 DeleteObject(oldpen);
2288 } else {
2289 for (i = 0; i < length; i++) {
2290 if (i % 2 == 0) {
2291 SetPixel(hdc, startx, starty, colours[23]);
2292 }
2293 startx += dx;
2294 starty += dy;
2295 }
2296 }
2297 }
2298 }
2299
2300 /*
2301 * Translate a WM_(SYS)?KEY(UP|DOWN) message into a string of ASCII
2302 * codes. Returns number of bytes used or zero to drop the message
2303 * or -1 to forward the message to windows.
2304 */
2305 static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
2306 unsigned char *output)
2307 {
2308 BYTE keystate[256];
2309 int scan, left_alt = 0, key_down, shift_state;
2310 int r, i, code;
2311 unsigned char *p = output;
2312 static int alt_sum = 0;
2313
2314 HKL kbd_layout = GetKeyboardLayout(0);
2315
2316 static WORD keys[3];
2317 static int compose_char = 0;
2318 static WPARAM compose_key = 0;
2319
2320 r = GetKeyboardState(keystate);
2321 if (!r)
2322 memset(keystate, 0, sizeof(keystate));
2323 else {
2324 #if 0
2325 #define SHOW_TOASCII_RESULT
2326 { /* Tell us all about key events */
2327 static BYTE oldstate[256];
2328 static int first = 1;
2329 static int scan;
2330 int ch;
2331 if (first)
2332 memcpy(oldstate, keystate, sizeof(oldstate));
2333 first = 0;
2334
2335 if ((HIWORD(lParam) & (KF_UP | KF_REPEAT)) == KF_REPEAT) {
2336 debug(("+"));
2337 } else if ((HIWORD(lParam) & KF_UP)
2338 && scan == (HIWORD(lParam) & 0xFF)) {
2339 debug((". U"));
2340 } else {
2341 debug((".\n"));
2342 if (wParam >= VK_F1 && wParam <= VK_F20)
2343 debug(("K_F%d", wParam + 1 - VK_F1));
2344 else
2345 switch (wParam) {
2346 case VK_SHIFT:
2347 debug(("SHIFT"));
2348 break;
2349 case VK_CONTROL:
2350 debug(("CTRL"));
2351 break;
2352 case VK_MENU:
2353 debug(("ALT"));
2354 break;
2355 default:
2356 debug(("VK_%02x", wParam));
2357 }
2358 if (message == WM_SYSKEYDOWN || message == WM_SYSKEYUP)
2359 debug(("*"));
2360 debug((", S%02x", scan = (HIWORD(lParam) & 0xFF)));
2361
2362 ch = MapVirtualKeyEx(wParam, 2, kbd_layout);
2363 if (ch >= ' ' && ch <= '~')
2364 debug((", '%c'", ch));
2365 else if (ch)
2366 debug((", $%02x", ch));
2367
2368 if (keys[0])
2369 debug((", KB0=%02x", keys[0]));
2370 if (keys[1])
2371 debug((", KB1=%02x", keys[1]));
2372 if (keys[2])
2373 debug((", KB2=%02x", keys[2]));
2374
2375 if ((keystate[VK_SHIFT] & 0x80) != 0)
2376 debug((", S"));
2377 if ((keystate[VK_CONTROL] & 0x80) != 0)
2378 debug((", C"));
2379 if ((HIWORD(lParam) & KF_EXTENDED))
2380 debug((", E"));
2381 if ((HIWORD(lParam) & KF_UP))
2382 debug((", U"));
2383 }
2384
2385 if ((HIWORD(lParam) & (KF_UP | KF_REPEAT)) == KF_REPEAT);
2386 else if ((HIWORD(lParam) & KF_UP))
2387 oldstate[wParam & 0xFF] ^= 0x80;
2388 else
2389 oldstate[wParam & 0xFF] ^= 0x81;
2390
2391 for (ch = 0; ch < 256; ch++)
2392 if (oldstate[ch] != keystate[ch])
2393 debug((", M%02x=%02x", ch, keystate[ch]));
2394
2395 memcpy(oldstate, keystate, sizeof(oldstate));
2396 }
2397 #endif
2398
2399 if (wParam == VK_MENU && (HIWORD(lParam) & KF_EXTENDED)) {
2400 keystate[VK_RMENU] = keystate[VK_MENU];
2401 }
2402
2403
2404 /* Nastyness with NUMLock - Shift-NUMLock is left alone though */
2405 if ((cfg.funky_type == 3 ||
2406 (cfg.funky_type <= 1 && app_keypad_keys && !cfg.no_applic_k))
2407 && wParam == VK_NUMLOCK && !(keystate[VK_SHIFT] & 0x80)) {
2408
2409 wParam = VK_EXECUTE;
2410
2411 /* UnToggle NUMLock */
2412 if ((HIWORD(lParam) & (KF_UP | KF_REPEAT)) == 0)
2413 keystate[VK_NUMLOCK] ^= 1;
2414 }
2415
2416 /* And write back the 'adjusted' state */
2417 SetKeyboardState(keystate);
2418 }
2419
2420 /* Disable Auto repeat if required */
2421 if (repeat_off && (HIWORD(lParam) & (KF_UP | KF_REPEAT)) == KF_REPEAT)
2422 return 0;
2423
2424 if ((HIWORD(lParam) & KF_ALTDOWN) && (keystate[VK_RMENU] & 0x80) == 0)
2425 left_alt = 1;
2426
2427 key_down = ((HIWORD(lParam) & KF_UP) == 0);
2428
2429 /* Make sure Ctrl-ALT is not the same as AltGr for ToAscii unless told. */
2430 if (left_alt && (keystate[VK_CONTROL] & 0x80)) {
2431 if (cfg.ctrlaltkeys)
2432 keystate[VK_MENU] = 0;
2433 else {
2434 keystate[VK_RMENU] = 0x80;
2435 left_alt = 0;
2436 }
2437 }
2438
2439 scan = (HIWORD(lParam) & (KF_UP | KF_EXTENDED | 0xFF));
2440 shift_state = ((keystate[VK_SHIFT] & 0x80) != 0)
2441 + ((keystate[VK_CONTROL] & 0x80) != 0) * 2;
2442
2443 /* Note if AltGr was pressed and if it was used as a compose key */
2444 if (!compose_state) {
2445 compose_key = 0x100;
2446 if (cfg.compose_key) {
2447 if (wParam == VK_MENU && (HIWORD(lParam) & KF_EXTENDED))
2448 compose_key = wParam;
2449 }
2450 if (wParam == VK_APPS)
2451 compose_key = wParam;
2452 }
2453
2454 if (wParam == compose_key) {
2455 if (compose_state == 0
2456 && (HIWORD(lParam) & (KF_UP | KF_REPEAT)) == 0) compose_state =
2457 1;
2458 else if (compose_state == 1 && (HIWORD(lParam) & KF_UP))
2459 compose_state = 2;
2460 else
2461 compose_state = 0;
2462 } else if (compose_state == 1 && wParam != VK_CONTROL)
2463 compose_state = 0;
2464
2465 /*
2466 * Record that we pressed key so the scroll window can be reset, but
2467 * be careful to avoid Shift-UP/Down
2468 */
2469 if (wParam != VK_SHIFT && wParam != VK_PRIOR && wParam != VK_NEXT) {
2470 seen_key_event = 1;
2471 }
2472
2473 /* Make sure we're not pasting */
2474 if (key_down)
2475 term_nopaste();
2476
2477 if (compose_state > 1 && left_alt)
2478 compose_state = 0;
2479
2480 /* Sanitize the number pad if not using a PC NumPad */
2481 if (left_alt || (app_keypad_keys && !cfg.no_applic_k
2482 && cfg.funky_type != 2)
2483 || cfg.funky_type == 3 || cfg.nethack_keypad || compose_state) {
2484 if ((HIWORD(lParam) & KF_EXTENDED) == 0) {
2485 int nParam = 0;
2486 switch (wParam) {
2487 case VK_INSERT:
2488 nParam = VK_NUMPAD0;
2489 break;
2490 case VK_END:
2491 nParam = VK_NUMPAD1;
2492 break;
2493 case VK_DOWN:
2494 nParam = VK_NUMPAD2;
2495 break;
2496 case VK_NEXT:
2497 nParam = VK_NUMPAD3;
2498 break;
2499 case VK_LEFT:
2500 nParam = VK_NUMPAD4;
2501 break;
2502 case VK_CLEAR:
2503 nParam = VK_NUMPAD5;
2504 break;
2505 case VK_RIGHT:
2506 nParam = VK_NUMPAD6;
2507 break;
2508 case VK_HOME:
2509 nParam = VK_NUMPAD7;
2510 break;
2511 case VK_UP:
2512 nParam = VK_NUMPAD8;
2513 break;
2514 case VK_PRIOR:
2515 nParam = VK_NUMPAD9;
2516 break;
2517 case VK_DELETE:
2518 nParam = VK_DECIMAL;
2519 break;
2520 }
2521 if (nParam) {
2522 if (keystate[VK_NUMLOCK] & 1)
2523 shift_state |= 1;
2524 wParam = nParam;
2525 }
2526 }
2527 }
2528
2529 /* If a key is pressed and AltGr is not active */
2530 if (key_down && (keystate[VK_RMENU] & 0x80) == 0 && !compose_state) {
2531 /* Okay, prepare for most alts then ... */
2532 if (left_alt)
2533 *p++ = '\033';
2534
2535 /* Lets see if it's a pattern we know all about ... */
2536 if (wParam == VK_PRIOR && shift_state == 1) {
2537 SendMessage(hwnd, WM_VSCROLL, SB_PAGEUP, 0);
2538 return 0;
2539 }
2540 if (wParam == VK_NEXT && shift_state == 1) {
2541 SendMessage(hwnd, WM_VSCROLL, SB_PAGEDOWN, 0);
2542 return 0;
2543 }
2544 if (wParam == VK_INSERT && shift_state == 1) {
2545 term_do_paste();
2546 return 0;
2547 }
2548 if (left_alt && wParam == VK_F4 && cfg.alt_f4) {
2549 return -1;
2550 }
2551 if (left_alt && wParam == VK_SPACE && cfg.alt_space) {
2552 SendMessage(hwnd, WM_SYSCOMMAND, SC_KEYMENU, 0);
2553 return -1;
2554 }
2555 /* Control-Numlock for app-keypad mode switch */
2556 if (wParam == VK_PAUSE && shift_state == 2) {
2557 app_keypad_keys ^= 1;
2558 return 0;
2559 }
2560
2561 /* Nethack keypad */
2562 if (cfg.nethack_keypad && !left_alt) {
2563 switch (wParam) {
2564 case VK_NUMPAD1:
2565 *p++ = shift_state ? 'B' : 'b';
2566 return p - output;
2567 case VK_NUMPAD2:
2568 *p++ = shift_state ? 'J' : 'j';
2569 return p - output;
2570 case VK_NUMPAD3:
2571 *p++ = shift_state ? 'N' : 'n';
2572 return p - output;
2573 case VK_NUMPAD4:
2574 *p++ = shift_state ? 'H' : 'h';
2575 return p - output;
2576 case VK_NUMPAD5:
2577 *p++ = shift_state ? '.' : '.';
2578 return p - output;
2579 case VK_NUMPAD6:
2580 *p++ = shift_state ? 'L' : 'l';
2581 return p - output;
2582 case VK_NUMPAD7:
2583 *p++ = shift_state ? 'Y' : 'y';
2584 return p - output;
2585 case VK_NUMPAD8:
2586 *p++ = shift_state ? 'K' : 'k';
2587 return p - output;
2588 case VK_NUMPAD9:
2589 *p++ = shift_state ? 'U' : 'u';
2590 return p - output;
2591 }
2592 }
2593
2594 /* Application Keypad */
2595 if (!left_alt) {
2596 int xkey = 0;
2597
2598 if (cfg.funky_type == 3 ||
2599 (cfg.funky_type <= 1 &&
2600 app_keypad_keys && !cfg.no_applic_k)) switch (wParam) {
2601 case VK_EXECUTE:
2602 xkey = 'P';
2603 break;
2604 case VK_DIVIDE:
2605 xkey = 'Q';
2606 break;
2607 case VK_MULTIPLY:
2608 xkey = 'R';
2609 break;
2610 case VK_SUBTRACT:
2611 xkey = 'S';
2612 break;
2613 }
2614 if (app_keypad_keys && !cfg.no_applic_k)
2615 switch (wParam) {
2616 case VK_NUMPAD0:
2617 xkey = 'p';
2618 break;
2619 case VK_NUMPAD1:
2620 xkey = 'q';
2621 break;
2622 case VK_NUMPAD2:
2623 xkey = 'r';
2624 break;
2625 case VK_NUMPAD3:
2626 xkey = 's';
2627 break;
2628 case VK_NUMPAD4:
2629 xkey = 't';
2630 break;
2631 case VK_NUMPAD5:
2632 xkey = 'u';
2633 break;
2634 case VK_NUMPAD6:
2635 xkey = 'v';
2636 break;
2637 case VK_NUMPAD7:
2638 xkey = 'w';
2639 break;
2640 case VK_NUMPAD8:
2641 xkey = 'x';
2642 break;
2643 case VK_NUMPAD9:
2644 xkey = 'y';
2645 break;
2646
2647 case VK_DECIMAL:
2648 xkey = 'n';
2649 break;
2650 case VK_ADD:
2651 if (cfg.funky_type == 2) {
2652 if (shift_state)
2653 xkey = 'l';
2654 else
2655 xkey = 'k';
2656 } else if (shift_state)
2657 xkey = 'm';
2658 else
2659 xkey = 'l';
2660 break;
2661
2662 case VK_DIVIDE:
2663 if (cfg.funky_type == 2)
2664 xkey = 'o';
2665 break;
2666 case VK_MULTIPLY:
2667 if (cfg.funky_type == 2)
2668 xkey = 'j';
2669 break;
2670 case VK_SUBTRACT:
2671 if (cfg.funky_type == 2)
2672 xkey = 'm';
2673 break;
2674
2675 case VK_RETURN:
2676 if (HIWORD(lParam) & KF_EXTENDED)
2677 xkey = 'M';
2678 break;
2679 }
2680 if (xkey) {
2681 if (vt52_mode) {
2682 if (xkey >= 'P' && xkey <= 'S')
2683 p += sprintf((char *) p, "\x1B%c", xkey);
2684 else
2685 p += sprintf((char *) p, "\x1B?%c", xkey);
2686 } else
2687 p += sprintf((char *) p, "\x1BO%c", xkey);
2688 return p - output;
2689 }
2690 }
2691
2692 if (wParam == VK_BACK && shift_state == 0) { /* Backspace */
2693 *p++ = (cfg.bksp_is_delete ? 0x7F : 0x08);
2694 *p++ = 0;
2695 return -2;
2696 }
2697 if (wParam == VK_TAB && shift_state == 1) { /* Shift tab */
2698 *p++ = 0x1B;
2699 *p++ = '[';
2700 *p++ = 'Z';
2701 return p - output;
2702 }
2703 if (wParam == VK_SPACE && shift_state == 2) { /* Ctrl-Space */
2704 *p++ = 0;
2705 return p - output;
2706 }
2707 if (wParam == VK_SPACE && shift_state == 3) { /* Ctrl-Shift-Space */
2708 *p++ = 160;
2709 return p - output;
2710 }
2711 if (wParam == VK_CANCEL && shift_state == 2) { /* Ctrl-Break */
2712 *p++ = 3;
2713 *p++ = 0;
2714 return -2;
2715 }
2716 if (wParam == VK_PAUSE) { /* Break/Pause */
2717 *p++ = 26;
2718 *p++ = 0;
2719 return -2;
2720 }
2721 /* Control-2 to Control-8 are special */
2722 if (shift_state == 2 && wParam >= '2' && wParam <= '8') {
2723 *p++ = "\000\033\034\035\036\037\177"[wParam - '2'];
2724 return p - output;
2725 }
2726 if (shift_state == 2 && wParam == 0xBD) {
2727 *p++ = 0x1F;
2728 return p - output;
2729 }
2730 if (shift_state == 2 && wParam == 0xDF) {
2731 *p++ = 0x1C;
2732 return p - output;
2733 }
2734 if (shift_state == 0 && wParam == VK_RETURN && cr_lf_return) {
2735 *p++ = '\r';
2736 *p++ = '\n';
2737 return p - output;
2738 }
2739
2740 /*
2741 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
2742 * for integer decimal nn.)
2743 *
2744 * We also deal with the weird ones here. Linux VCs replace F1
2745 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
2746 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
2747 * respectively.
2748 */
2749 code = 0;
2750 switch (wParam) {
2751 case VK_F1:
2752 code = (keystate[VK_SHIFT] & 0x80 ? 23 : 11);
2753 break;
2754 case VK_F2:
2755 code = (keystate[VK_SHIFT] & 0x80 ? 24 : 12);
2756 break;
2757 case VK_F3:
2758 code = (keystate[VK_SHIFT] & 0x80 ? 25 : 13);
2759 break;
2760 case VK_F4:
2761 code = (keystate[VK_SHIFT] & 0x80 ? 26 : 14);
2762 break;
2763 case VK_F5:
2764 code = (keystate[VK_SHIFT] & 0x80 ? 28 : 15);
2765 break;
2766 case VK_F6:
2767 code = (keystate[VK_SHIFT] & 0x80 ? 29 : 17);
2768 break;
2769 case VK_F7:
2770 code = (keystate[VK_SHIFT] & 0x80 ? 31 : 18);
2771 break;
2772 case VK_F8:
2773 code = (keystate[VK_SHIFT] & 0x80 ? 32 : 19);
2774 break;
2775 case VK_F9:
2776 code = (keystate[VK_SHIFT] & 0x80 ? 33 : 20);
2777 break;
2778 case VK_F10:
2779 code = (keystate[VK_SHIFT] & 0x80 ? 34 : 21);
2780 break;
2781 case VK_F11:
2782 code = 23;
2783 break;
2784 case VK_F12:
2785 code = 24;
2786 break;
2787 case VK_F13:
2788 code = 25;
2789 break;
2790 case VK_F14:
2791 code = 26;
2792 break;
2793 case VK_F15:
2794 code = 28;
2795 break;
2796 case VK_F16:
2797 code = 29;
2798 break;
2799 case VK_F17:
2800 code = 31;
2801 break;
2802 case VK_F18:
2803 code = 32;
2804 break;
2805 case VK_F19:
2806 code = 33;
2807 break;
2808 case VK_F20:
2809 code = 34;
2810 break;
2811 }
2812 if ((shift_state&2) == 0) switch (wParam) {
2813 case VK_HOME:
2814 code = 1;
2815 break;
2816 case VK_INSERT:
2817 code = 2;
2818 break;
2819 case VK_DELETE:
2820 code = 3;
2821 break;
2822 case VK_END:
2823 code = 4;
2824 break;
2825 case VK_PRIOR:
2826 code = 5;
2827 break;
2828 case VK_NEXT:
2829 code = 6;
2830 break;
2831 }
2832 /* Reorder edit keys to physical order */
2833 if (cfg.funky_type == 3 && code <= 6)
2834 code = "\0\2\1\4\5\3\6"[code];
2835
2836 if (vt52_mode && code > 0 && code <= 6) {
2837 p += sprintf((char *) p, "\x1B%c", " HLMEIG"[code]);
2838 return p - output;
2839 }
2840
2841 if (cfg.funky_type == 5 && /* SCO function keys */
2842 code >= 11 && code <= 34) {
2843 char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
2844 int index = 0;
2845 switch (wParam) {
2846 case VK_F1: index = 0; break;
2847 case VK_F2: index = 1; break;
2848 case VK_F3: index = 2; break;
2849 case VK_F4: index = 3; break;
2850 case VK_F5: index = 4; break;
2851 case VK_F6: index = 5; break;
2852 case VK_F7: index = 6; break;
2853 case VK_F8: index = 7; break;
2854 case VK_F9: index = 8; break;
2855 case VK_F10: index = 9; break;
2856 case VK_F11: index = 10; break;
2857 case VK_F12: index = 11; break;
2858 }
2859 if (keystate[VK_SHIFT] & 0x80) index += 12;
2860 if (keystate[VK_CONTROL] & 0x80) index += 24;
2861 p += sprintf((char *) p, "\x1B[%c", codes[index]);
2862 return p - output;
2863 }
2864 if (cfg.funky_type == 5 && /* SCO small keypad */
2865 code >= 1 && code <= 6) {
2866 char codes[] = "HL.FIG";
2867 if (code == 3) {
2868 *p++ = '\x7F';
2869 } else {
2870 p += sprintf((char *) p, "\x1B[%c", codes[code-1]);
2871 }
2872 return p - output;
2873 }
2874 if ((vt52_mode || cfg.funky_type == 4) && code >= 11 && code <= 24) {
2875 int offt = 0;
2876 if (code > 15)
2877 offt++;
2878 if (code > 21)
2879 offt++;
2880 if (vt52_mode)
2881 p += sprintf((char *) p, "\x1B%c", code + 'P' - 11 - offt);
2882 else
2883 p +=
2884 sprintf((char *) p, "\x1BO%c", code + 'P' - 11 - offt);
2885 return p - output;
2886 }
2887 if (cfg.funky_type == 1 && code >= 11 && code <= 15) {
2888 p += sprintf((char *) p, "\x1B[[%c", code + 'A' - 11);
2889 return p - output;
2890 }
2891 if (cfg.funky_type == 2 && code >= 11 && code <= 14) {
2892 if (vt52_mode)
2893 p += sprintf((char *) p, "\x1B%c", code + 'P' - 11);
2894 else
2895 p += sprintf((char *) p, "\x1BO%c", code + 'P' - 11);
2896 return p - output;
2897 }
2898 if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
2899 p += sprintf((char *) p, code == 1 ? "\x1B[H" : "\x1BOw");
2900 return p - output;
2901 }
2902 if (code) {
2903 p += sprintf((char *) p, "\x1B[%d~", code);
2904 return p - output;
2905 }
2906
2907 /*
2908 * Now the remaining keys (arrows and Keypad 5. Keypad 5 for
2909 * some reason seems to send VK_CLEAR to Windows...).
2910 */
2911 {
2912 char xkey = 0;
2913 switch (wParam) {
2914 case VK_UP:
2915 xkey = 'A';
2916 break;
2917 case VK_DOWN:
2918 xkey = 'B';
2919 break;
2920 case VK_RIGHT:
2921 xkey = 'C';
2922 break;
2923 case VK_LEFT:
2924 xkey = 'D';
2925 break;
2926 case VK_CLEAR:
2927 xkey = 'G';
2928 break;
2929 }
2930 if (xkey) {
2931 if (vt52_mode)
2932 p += sprintf((char *) p, "\x1B%c", xkey);
2933 else {
2934 int app_flg = (app_cursor_keys && !cfg.no_applic_c);
2935 /* VT100 & VT102 manuals both state the app cursor keys
2936 * only work if the app keypad is on.
2937 */
2938 if (!app_keypad_keys)
2939 app_flg = 0;
2940 /* Useful mapping of Ctrl-arrows */
2941 if (shift_state == 2)
2942 app_flg = !app_flg;
2943
2944 if (app_flg)
2945 p += sprintf((char *) p, "\x1BO%c", xkey);
2946 else
2947 p += sprintf((char *) p, "\x1B[%c", xkey);
2948 }
2949 return p - output;
2950 }
2951 }
2952
2953 /*
2954 * Finally, deal with Return ourselves. (Win95 seems to
2955 * foul it up when Alt is pressed, for some reason.)
2956 */
2957 if (wParam == VK_RETURN) { /* Return */
2958 *p++ = 0x0D;
2959 *p++ = 0;
2960 return -2;
2961 }
2962
2963 if (left_alt && wParam >= VK_NUMPAD0 && wParam <= VK_NUMPAD9)
2964 alt_sum = alt_sum * 10 + wParam - VK_NUMPAD0;
2965 else
2966 alt_sum = 0;
2967 }
2968
2969 /* Okay we've done everything interesting; let windows deal with
2970 * the boring stuff */
2971 {
2972 r = ToAsciiEx(wParam, scan, keystate, keys, 0, kbd_layout);
2973 #ifdef SHOW_TOASCII_RESULT
2974 if (r == 1 && !key_down) {
2975 if (alt_sum) {
2976 if (in_utf || dbcs_screenfont)
2977 debug((", (U+%04x)", alt_sum));
2978 else
2979 debug((", LCH(%d)", alt_sum));
2980 } else {
2981 debug((", ACH(%d)", keys[0]));
2982 }
2983 } else if (r > 0) {
2984 int r1;
2985 debug((", ASC("));
2986 for (r1 = 0; r1 < r; r1++) {
2987 debug(("%s%d", r1 ? "," : "", keys[r1]));
2988 }
2989 debug((")"));
2990 }
2991 #endif
2992 if (r > 0) {
2993 WCHAR keybuf;
2994 p = output;
2995 for (i = 0; i < r; i++) {
2996 unsigned char ch = (unsigned char) keys[i];
2997
2998 if (compose_state == 2 && (ch & 0x80) == 0 && ch > ' ') {
2999 compose_char = ch;
3000 compose_state++;
3001 continue;
3002 }
3003 if (compose_state == 3 && (ch & 0x80) == 0 && ch > ' ') {
3004 int nc;
3005 compose_state = 0;
3006
3007 if ((nc = check_compose(compose_char, ch)) == -1) {
3008 MessageBeep(MB_ICONHAND);
3009 return 0;
3010 }
3011 keybuf = nc;
3012 luni_send(&keybuf, 1);
3013 continue;
3014 }
3015
3016 compose_state = 0;
3017
3018 if (!key_down) {
3019 if (alt_sum) {
3020 if (in_utf || dbcs_screenfont) {
3021 keybuf = alt_sum;
3022 luni_send(&keybuf, 1);
3023 } else {
3024 ch = (char) alt_sum;
3025 /*
3026 * We need not bother about stdin
3027 * backlogs here, because in GUI PuTTY
3028 * we can't do anything about it
3029 * anyway; there's no means of asking
3030 * Windows to hold off on KEYDOWN
3031 * messages. We _have_ to buffer
3032 * everything we're sent.
3033 */
3034 ldisc_send(&ch, 1);
3035 }
3036 alt_sum = 0;
3037 } else
3038 lpage_send(kbd_codepage, &ch, 1);
3039 } else {
3040 static char cbuf[] = "\033 ";
3041 cbuf[1] = ch;
3042 lpage_send(kbd_codepage, cbuf + !left_alt,
3043 1 + !!left_alt);
3044 }
3045 show_mouseptr(0);
3046 }
3047
3048 /* This is so the ALT-Numpad and dead keys work correctly. */
3049 keys[0] = 0;
3050
3051 return p - output;
3052 }
3053 /* If we're definitly not building up an ALT-54321 then clear it */
3054 if (!left_alt)
3055 keys[0] = 0;
3056 /* If we will be using alt_sum fix the 256s */
3057 else if (keys[0] && (in_utf || dbcs_screenfont))
3058 keys[0] = 10;
3059 }
3060
3061 /*
3062 * ALT alone may or may not want to bring up the System menu.
3063 * If it's not meant to, we return 0 on presses or releases of
3064 * ALT, to show that we've swallowed the keystroke. Otherwise
3065 * we return -1, which means Windows will give the keystroke
3066 * its default handling (i.e. bring up the System menu).
3067 */
3068 if (wParam == VK_MENU && !cfg.alt_only)
3069 return 0;
3070
3071 return -1;
3072 }
3073
3074 void set_title(char *title)
3075 {
3076 sfree(window_name);
3077 window_name = smalloc(1 + strlen(title));
3078 strcpy(window_name, title);
3079 if (cfg.win_name_always || !IsIconic(hwnd))
3080 SetWindowText(hwnd, title);
3081 }
3082
3083 void set_icon(char *title)
3084 {
3085 sfree(icon_name);
3086 icon_name = smalloc(1 + strlen(title));
3087 strcpy(icon_name, title);
3088 if (!cfg.win_name_always && IsIconic(hwnd))
3089 SetWindowText(hwnd, title);
3090 }
3091
3092 void set_sbar(int total, int start, int page)
3093 {
3094 SCROLLINFO si;
3095
3096 if (!cfg.scrollbar)
3097 return;
3098
3099 si.cbSize = sizeof(si);
3100 si.fMask = SIF_ALL | SIF_DISABLENOSCROLL;
3101 si.nMin = 0;
3102 si.nMax = total - 1;
3103 si.nPage = page;
3104 si.nPos = start;
3105 if (hwnd)
3106 SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
3107 }
3108
3109 Context get_ctx(void)
3110 {
3111 HDC hdc;
3112 if (hwnd) {
3113 hdc = GetDC(hwnd);
3114 if (hdc && pal)
3115 SelectPalette(hdc, pal, FALSE);
3116 return hdc;
3117 } else
3118 return NULL;
3119 }
3120
3121 void free_ctx(Context ctx)
3122 {
3123 SelectPalette(ctx, GetStockObject(DEFAULT_PALETTE), FALSE);
3124 ReleaseDC(hwnd, ctx);
3125 }
3126
3127 static void real_palette_set(int n, int r, int g, int b)
3128 {
3129 if (pal) {
3130 logpal->palPalEntry[n].peRed = r;
3131 logpal->palPalEntry[n].peGreen = g;
3132 logpal->palPalEntry[n].peBlue = b;
3133 logpal->palPalEntry[n].peFlags = PC_NOCOLLAPSE;
3134 colours[n] = PALETTERGB(r, g, b);
3135 SetPaletteEntries(pal, 0, NCOLOURS, logpal->palPalEntry);
3136 } else
3137 colours[n] = RGB(r, g, b);
3138 }
3139
3140 void palette_set(int n, int r, int g, int b)
3141 {
3142 static const int first[21] = {
3143 0, 2, 4, 6, 8, 10, 12, 14,
3144 1, 3, 5, 7, 9, 11, 13, 15,
3145 16, 17, 18, 20, 22
3146 };
3147 real_palette_set(first[n], r, g, b);
3148 if (first[n] >= 18)
3149 real_palette_set(first[n] + 1, r, g, b);
3150 if (pal) {
3151 HDC hdc = get_ctx();
3152 UnrealizeObject(pal);
3153 RealizePalette(hdc);
3154 free_ctx(hdc);
3155 }
3156 }
3157
3158 void palette_reset(void)
3159 {
3160 int i;
3161
3162 for (i = 0; i < NCOLOURS; i++) {
3163 if (pal) {
3164 logpal->palPalEntry[i].peRed = defpal[i].rgbtRed;
3165 logpal->palPalEntry[i].peGreen = defpal[i].rgbtGreen;
3166 logpal->palPalEntry[i].peBlue = defpal[i].rgbtBlue;
3167 logpal->palPalEntry[i].peFlags = 0;
3168 colours[i] = PALETTERGB(defpal[i].rgbtRed,
3169 defpal[i].rgbtGreen,
3170 defpal[i].rgbtBlue);
3171 } else
3172 colours[i] = RGB(defpal[i].rgbtRed,
3173 defpal[i].rgbtGreen, defpal[i].rgbtBlue);
3174 }
3175
3176 if (pal) {
3177 HDC hdc;
3178 SetPaletteEntries(pal, 0, NCOLOURS, logpal->palPalEntry);
3179 hdc = get_ctx();
3180 RealizePalette(hdc);
3181 free_ctx(hdc);
3182 }
3183 }
3184
3185 void write_aclip(char *data, int len, int must_deselect)
3186 {
3187 HGLOBAL clipdata;
3188 void *lock;
3189
3190 clipdata = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE, len + 1);
3191 if (!clipdata)
3192 return;
3193 lock = GlobalLock(clipdata);
3194 if (!lock)
3195 return;
3196 memcpy(lock, data, len);
3197 ((unsigned char *) lock)[len] = 0;
3198 GlobalUnlock(clipdata);
3199
3200 if (!must_deselect)
3201 SendMessage(hwnd, WM_IGNORE_CLIP, TRUE, 0);
3202
3203 if (OpenClipboard(hwnd)) {
3204 EmptyClipboard();
3205 SetClipboardData(CF_TEXT, clipdata);
3206 CloseClipboard();
3207 } else
3208 GlobalFree(clipdata);
3209
3210 if (!must_deselect)
3211 SendMessage(hwnd, WM_IGNORE_CLIP, FALSE, 0);
3212 }
3213
3214 /*
3215 * Note: unlike write_aclip() this will not append a nul.
3216 */
3217 void write_clip(wchar_t * data, int len, int must_deselect)
3218 {
3219 HGLOBAL clipdata;
3220 HGLOBAL clipdata2;
3221 int len2;
3222 void *lock, *lock2;
3223
3224 len2 = WideCharToMultiByte(CP_ACP, 0, data, len, 0, 0, NULL, NULL);
3225
3226 clipdata = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE,
3227 len * sizeof(wchar_t));
3228 clipdata2 = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE, len2);
3229
3230 if (!clipdata || !clipdata2) {
3231 if (clipdata)
3232 GlobalFree(clipdata);
3233 if (clipdata2)
3234 GlobalFree(clipdata2);
3235 return;
3236 }
3237 if (!(lock = GlobalLock(clipdata)))
3238 return;
3239 if (!(lock2 = GlobalLock(clipdata2)))
3240 return;
3241
3242 memcpy(lock, data, len * sizeof(wchar_t));
3243 WideCharToMultiByte(CP_ACP, 0, data, len, lock2, len2, NULL, NULL);
3244
3245 GlobalUnlock(clipdata);
3246 GlobalUnlock(clipdata2);
3247
3248 if (!must_deselect)
3249 SendMessage(hwnd, WM_IGNORE_CLIP, TRUE, 0);
3250
3251 if (OpenClipboard(hwnd)) {
3252 EmptyClipboard();
3253 SetClipboardData(CF_UNICODETEXT, clipdata);
3254 SetClipboardData(CF_TEXT, clipdata2);
3255 CloseClipboard();
3256 } else {
3257 GlobalFree(clipdata);
3258 GlobalFree(clipdata2);
3259 }
3260
3261 if (!must_deselect)
3262 SendMessage(hwnd, WM_IGNORE_CLIP, FALSE, 0);
3263 }
3264
3265 void get_clip(wchar_t ** p, int *len)
3266 {
3267 static HGLOBAL clipdata = NULL;
3268 static wchar_t *converted = 0;
3269 wchar_t *p2;
3270
3271 if (converted) {
3272 sfree(converted);
3273 converted = 0;
3274 }
3275 if (!p) {
3276 if (clipdata)
3277 GlobalUnlock(clipdata);
3278 clipdata = NULL;
3279 return;
3280 } else if (OpenClipboard(NULL)) {
3281 if ((clipdata = GetClipboardData(CF_UNICODETEXT))) {
3282 CloseClipboard();
3283 *p = GlobalLock(clipdata);
3284 if (*p) {
3285 for (p2 = *p; *p2; p2++);
3286 *len = p2 - *p;
3287 return;
3288 }
3289 } else if ( (clipdata = GetClipboardData(CF_TEXT)) ) {
3290 char *s;
3291 int i;
3292 CloseClipboard();
3293 s = GlobalLock(clipdata);
3294 i = MultiByteToWideChar(CP_ACP, 0, s, strlen(s) + 1, 0, 0);
3295 *p = converted = smalloc(i * sizeof(wchar_t));
3296 MultiByteToWideChar(CP_ACP, 0, s, strlen(s) + 1, converted, i);
3297 *len = i - 1;
3298 return;
3299 } else
3300 CloseClipboard();
3301 }
3302
3303 *p = NULL;
3304 *len = 0;
3305 }
3306
3307 #if 0
3308 /*
3309 * Move `lines' lines from position `from' to position `to' in the
3310 * window.
3311 */
3312 void optimised_move(int to, int from, int lines)
3313 {
3314 RECT r;
3315 int min, max;
3316
3317 min = (to < from ? to : from);
3318 max = to + from - min;
3319
3320 r.left = 0;
3321 r.right = cols * font_width;
3322 r.top = min * font_height;
3323 r.bottom = (max + lines) * font_height;
3324 ScrollWindow(hwnd, 0, (to - from) * font_height, &r, &r);
3325 }
3326 #endif
3327
3328 /*
3329 * Print a message box and perform a fatal exit.
3330 */
3331 void fatalbox(char *fmt, ...)
3332 {
3333 va_list ap;
3334 char stuff[200];
3335
3336 va_start(ap, fmt);
3337 vsprintf(stuff, fmt, ap);
3338 va_end(ap);
3339 MessageBox(hwnd, stuff, "PuTTY Fatal Error", MB_ICONERROR | MB_OK);
3340 exit(1);
3341 }
3342
3343 /*
3344 * Manage window caption / taskbar flashing, if enabled.
3345 * 0 = stop, 1 = maintain, 2 = start
3346 */
3347 static void flash_window(int mode)
3348 {
3349 static long last_flash = 0;
3350 static int flashing = 0;
3351 if ((mode == 0) || (cfg.beep_ind == B_IND_DISABLED)) {
3352 /* stop */
3353 if (flashing) {
3354 FlashWindow(hwnd, FALSE);
3355 flashing = 0;
3356 }
3357
3358 } else if (mode == 2) {
3359 /* start */
3360 if (!flashing) {
3361 last_flash = GetTickCount();
3362 flashing = 1;
3363 FlashWindow(hwnd, TRUE);
3364 }
3365
3366 } else if ((mode == 1) && (cfg.beep_ind == B_IND_FLASH)) {
3367 /* maintain */
3368 if (flashing) {
3369 long now = GetTickCount();
3370 long fdiff = now - last_flash;
3371 if (fdiff < 0 || fdiff > 450) {
3372 last_flash = now;
3373 FlashWindow(hwnd, TRUE); /* toggle */
3374 }
3375 }
3376 }
3377 }
3378
3379 /*
3380 * Beep.
3381 */
3382 void beep(int mode)
3383 {
3384 if (mode == BELL_DEFAULT) {
3385 /*
3386 * For MessageBeep style bells, we want to be careful of
3387 * timing, because they don't have the nice property of
3388 * PlaySound bells that each one cancels the previous
3389 * active one. So we limit the rate to one per 50ms or so.
3390 */
3391 static long lastbeep = 0;
3392 long beepdiff;
3393
3394 beepdiff = GetTickCount() - lastbeep;
3395 if (beepdiff >= 0 && beepdiff < 50)
3396 return;
3397 MessageBeep(MB_OK);
3398 /*
3399 * The above MessageBeep call takes time, so we record the
3400 * time _after_ it finishes rather than before it starts.
3401 */
3402 lastbeep = GetTickCount();
3403 } else if (mode == BELL_WAVEFILE) {
3404 if (!PlaySound(cfg.bell_wavefile, NULL, SND_ASYNC | SND_FILENAME)) {
3405 char buf[sizeof(cfg.bell_wavefile) + 80];
3406 sprintf(buf, "Unable to play sound file\n%s\n"
3407 "Using default sound instead", cfg.bell_wavefile);
3408 MessageBox(hwnd, buf, "PuTTY Sound Error",
3409 MB_OK | MB_ICONEXCLAMATION);
3410 cfg.beep = BELL_DEFAULT;
3411 }
3412 }
3413 /* Otherwise, either visual bell or disabled; do nothing here */
3414 if (!has_focus) {
3415 flash_window(2); /* start */
3416 }
3417 }
Local modifications for Simon Tatham's `PuTTY' SSH client and terminal emulator