projects / u / mdw / putty / blob
? search:


f3db0cd369ab9d8c745789060e1c8839e695c190
[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_READ | FD_WRITE | FD_OOB | FD_CLOSE | FD_ACCEPT;
710 } else {
711 msg = events = 0;
712 }
713 if (!hwnd)
714 return "do_select(): internal error (hwnd==NULL)";
715 if (WSAAsyncSelect(skt, hwnd, msg, events) == SOCKET_ERROR) {
716 switch (WSAGetLastError()) {
717 case WSAENETDOWN:
718 return "Network is down";
719 default:
720 return "WSAAsyncSelect(): unknown error";
721 }
722 }
723 return NULL;
724 }
725
726 /*
727 * set or clear the "raw mouse message" mode
728 */
729 void set_raw_mouse_mode(int activate)
730 {
731 send_raw_mouse = activate;
732 SetCursor(LoadCursor(NULL, activate ? IDC_ARROW : IDC_IBEAM));
733 }
734
735 /*
736 * Print a message box and close the connection.
737 */
738 void connection_fatal(char *fmt, ...)
739 {
740 va_list ap;
741 char stuff[200];
742
743 va_start(ap, fmt);
744 vsprintf(stuff, fmt, ap);
745 va_end(ap);
746 MessageBox(hwnd, stuff, "PuTTY Fatal Error", MB_ICONERROR | MB_OK);
747 if (cfg.close_on_exit == COE_ALWAYS)
748 PostQuitMessage(1);
749 else {
750 session_closed = TRUE;
751 SetWindowText(hwnd, "PuTTY (inactive)");
752 }
753 }
754
755 /*
756 * Actually do the job requested by a WM_NETEVENT
757 */
758 static void enact_pending_netevent(void)
759 {
760 static int reentering = 0;
761 extern int select_result(WPARAM, LPARAM);
762 int ret;
763
764 if (reentering)
765 return; /* don't unpend the pending */
766
767 pending_netevent = FALSE;
768
769 reentering = 1;
770 ret = select_result(pend_netevent_wParam, pend_netevent_lParam);
771 reentering = 0;
772
773 if (ret == 0 && !session_closed) {
774 /* Abnormal exits will already have set session_closed and taken
775 * appropriate action. */
776 if (cfg.close_on_exit == COE_ALWAYS ||
777 cfg.close_on_exit == COE_NORMAL) PostQuitMessage(0);
778 else {
779 session_closed = TRUE;
780 SetWindowText(hwnd, "PuTTY (inactive)");
781 MessageBox(hwnd, "Connection closed by remote host",
782 "PuTTY", MB_OK | MB_ICONINFORMATION);
783 }
784 }
785 }
786
787 /*
788 * Copy the colour palette from the configuration data into defpal.
789 * This is non-trivial because the colour indices are different.
790 */
791 static void cfgtopalette(void)
792 {
793 int i;
794 static const int ww[] = {
795 6, 7, 8, 9, 10, 11, 12, 13,
796 14, 15, 16, 17, 18, 19, 20, 21,
797 0, 1, 2, 3, 4, 4, 5, 5
798 };
799
800 for (i = 0; i < 24; i++) {
801 int w = ww[i];
802 defpal[i].rgbtRed = cfg.colours[w][0];
803 defpal[i].rgbtGreen = cfg.colours[w][1];
804 defpal[i].rgbtBlue = cfg.colours[w][2];
805 }
806 }
807
808 /*
809 * Set up the colour palette.
810 */
811 static void init_palette(void)
812 {
813 int i;
814 HDC hdc = GetDC(hwnd);
815 if (hdc) {
816 if (cfg.try_palette && GetDeviceCaps(hdc, RASTERCAPS) & RC_PALETTE) {
817 logpal = smalloc(sizeof(*logpal)
818 - sizeof(logpal->palPalEntry)
819 + NCOLOURS * sizeof(PALETTEENTRY));
820 logpal->palVersion = 0x300;
821 logpal->palNumEntries = NCOLOURS;
822 for (i = 0; i < NCOLOURS; i++) {
823 logpal->palPalEntry[i].peRed = defpal[i].rgbtRed;
824 logpal->palPalEntry[i].peGreen = defpal[i].rgbtGreen;
825 logpal->palPalEntry[i].peBlue = defpal[i].rgbtBlue;
826 logpal->palPalEntry[i].peFlags = PC_NOCOLLAPSE;
827 }
828 pal = CreatePalette(logpal);
829 if (pal) {
830 SelectPalette(hdc, pal, FALSE);
831 RealizePalette(hdc);
832 SelectPalette(hdc, GetStockObject(DEFAULT_PALETTE), FALSE);
833 }
834 }
835 ReleaseDC(hwnd, hdc);
836 }
837 if (pal)
838 for (i = 0; i < NCOLOURS; i++)
839 colours[i] = PALETTERGB(defpal[i].rgbtRed,
840 defpal[i].rgbtGreen,
841 defpal[i].rgbtBlue);
842 else
843 for (i = 0; i < NCOLOURS; i++)
844 colours[i] = RGB(defpal[i].rgbtRed,
845 defpal[i].rgbtGreen, defpal[i].rgbtBlue);
846 }
847
848 /*
849 * Initialise all the fonts we will need initially. There may be as many as
850 * three or as few as one. The other (poentially) twentyone fonts are done
851 * if/when they are needed.
852 *
853 * We also:
854 *
855 * - check the font width and height, correcting our guesses if
856 * necessary.
857 *
858 * - verify that the bold font is the same width as the ordinary
859 * one, and engage shadow bolding if not.
860 *
861 * - verify that the underlined font is the same width as the
862 * ordinary one (manual underlining by means of line drawing can
863 * be done in a pinch).
864 */
865 static void init_fonts(int pick_width)
866 {
867 TEXTMETRIC tm;
868 CPINFO cpinfo;
869 int fontsize[3];
870 int i;
871 HDC hdc;
872 int fw_dontcare, fw_bold;
873
874 for (i = 0; i < FONT_MAXNO; i++)
875 fonts[i] = NULL;
876
877 if (cfg.fontisbold) {
878 fw_dontcare = FW_BOLD;
879 fw_bold = FW_HEAVY;
880 } else {
881 fw_dontcare = FW_DONTCARE;
882 fw_bold = FW_BOLD;
883 }
884
885 hdc = GetDC(hwnd);
886
887 font_height = cfg.fontheight;
888 if (font_height > 0) {
889 font_height =
890 -MulDiv(font_height, GetDeviceCaps(hdc, LOGPIXELSY), 72);
891 }
892 font_width = pick_width;
893
894 #define f(i,c,w,u) \
895 fonts[i] = CreateFont (font_height, font_width, 0, 0, w, FALSE, u, FALSE, \
896 c, OUT_DEFAULT_PRECIS, \
897 CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, \
898 FIXED_PITCH | FF_DONTCARE, cfg.font)
899
900 f(FONT_NORMAL, cfg.fontcharset, fw_dontcare, FALSE);
901
902 SelectObject(hdc, fonts[FONT_NORMAL]);
903 GetTextMetrics(hdc, &tm);
904 font_height = tm.tmHeight;
905 font_width = tm.tmAveCharWidth;
906
907 {
908 CHARSETINFO info;
909 DWORD cset = tm.tmCharSet;
910 memset(&info, 0xFF, sizeof(info));
911
912 /* !!! Yes the next line is right */
913 if (cset == OEM_CHARSET)
914 font_codepage = GetOEMCP();
915 else
916 if (TranslateCharsetInfo
917 ((DWORD *) cset, &info, TCI_SRCCHARSET)) font_codepage =
918 info.ciACP;
919 else
920 font_codepage = -1;
921
922 GetCPInfo(font_codepage, &cpinfo);
923 dbcs_screenfont = (cpinfo.MaxCharSize > 1);
924 }
925
926 f(FONT_UNDERLINE, cfg.fontcharset, fw_dontcare, TRUE);
927
928 /*
929 * Some fonts, e.g. 9-pt Courier, draw their underlines
930 * outside their character cell. We successfully prevent
931 * screen corruption by clipping the text output, but then
932 * we lose the underline completely. Here we try to work
933 * out whether this is such a font, and if it is, we set a
934 * flag that causes underlines to be drawn by hand.
935 *
936 * Having tried other more sophisticated approaches (such
937 * as examining the TEXTMETRIC structure or requesting the
938 * height of a string), I think we'll do this the brute
939 * force way: we create a small bitmap, draw an underlined
940 * space on it, and test to see whether any pixels are
941 * foreground-coloured. (Since we expect the underline to
942 * go all the way across the character cell, we only search
943 * down a single column of the bitmap, half way across.)
944 */
945 {
946 HDC und_dc;
947 HBITMAP und_bm, und_oldbm;
948 int i, gotit;
949 COLORREF c;
950
951 und_dc = CreateCompatibleDC(hdc);
952 und_bm = CreateCompatibleBitmap(hdc, font_width, font_height);
953 und_oldbm = SelectObject(und_dc, und_bm);
954 SelectObject(und_dc, fonts[FONT_UNDERLINE]);
955 SetTextAlign(und_dc, TA_TOP | TA_LEFT | TA_NOUPDATECP);
956 SetTextColor(und_dc, RGB(255, 255, 255));
957 SetBkColor(und_dc, RGB(0, 0, 0));
958 SetBkMode(und_dc, OPAQUE);
959 ExtTextOut(und_dc, 0, 0, ETO_OPAQUE, NULL, " ", 1, NULL);
960 gotit = FALSE;
961 for (i = 0; i < font_height; i++) {
962 c = GetPixel(und_dc, font_width / 2, i);
963 if (c != RGB(0, 0, 0))
964 gotit = TRUE;
965 }
966 SelectObject(und_dc, und_oldbm);
967 DeleteObject(und_bm);
968 DeleteDC(und_dc);
969 if (!gotit) {
970 und_mode = UND_LINE;
971 DeleteObject(fonts[FONT_UNDERLINE]);
972 fonts[FONT_UNDERLINE] = 0;
973 }
974 }
975
976 if (bold_mode == BOLD_FONT) {
977 f(FONT_BOLD, cfg.fontcharset, fw_bold, FALSE);
978 }
979 #undef f
980
981 descent = tm.tmAscent + 1;
982 if (descent >= font_height)
983 descent = font_height - 1;
984
985 for (i = 0; i < 3; i++) {
986 if (fonts[i]) {
987 if (SelectObject(hdc, fonts[i]) && GetTextMetrics(hdc, &tm))
988 fontsize[i] = tm.tmAveCharWidth + 256 * tm.tmHeight;
989 else
990 fontsize[i] = -i;
991 } else
992 fontsize[i] = -i;
993 }
994
995 ReleaseDC(hwnd, hdc);
996
997 if (fontsize[FONT_UNDERLINE] != fontsize[FONT_NORMAL]) {
998 und_mode = UND_LINE;
999 DeleteObject(fonts[FONT_UNDERLINE]);
1000 fonts[FONT_UNDERLINE] = 0;
1001 }
1002
1003 if (bold_mode == BOLD_FONT &&
1004 fontsize[FONT_BOLD] != fontsize[FONT_NORMAL]) {
1005 bold_mode = BOLD_SHADOW;
1006 DeleteObject(fonts[FONT_BOLD]);
1007 fonts[FONT_BOLD] = 0;
1008 }
1009 fontflag[0] = fontflag[1] = fontflag[2] = 1;
1010
1011 init_ucs_tables();
1012 }
1013
1014 static void another_font(int fontno)
1015 {
1016 int basefont;
1017 int fw_dontcare, fw_bold;
1018 int c, u, w, x;
1019 char *s;
1020
1021 if (fontno < 0 || fontno >= FONT_MAXNO || fontflag[fontno])
1022 return;
1023
1024 basefont = (fontno & ~(FONT_BOLDUND));
1025 if (basefont != fontno && !fontflag[basefont])
1026 another_font(basefont);
1027
1028 if (cfg.fontisbold) {
1029 fw_dontcare = FW_BOLD;
1030 fw_bold = FW_HEAVY;
1031 } else {
1032 fw_dontcare = FW_DONTCARE;
1033 fw_bold = FW_BOLD;
1034 }
1035
1036 c = cfg.fontcharset;
1037 w = fw_dontcare;
1038 u = FALSE;
1039 s = cfg.font;
1040 x = font_width;
1041
1042 if (fontno & FONT_WIDE)
1043 x *= 2;
1044 if (fontno & FONT_NARROW)
1045 x /= 2;
1046 if (fontno & FONT_OEM)
1047 c = OEM_CHARSET;
1048 if (fontno & FONT_BOLD)
1049 w = fw_bold;
1050 if (fontno & FONT_UNDERLINE)
1051 u = TRUE;
1052
1053 fonts[fontno] =
1054 CreateFont(font_height * (1 + !!(fontno & FONT_HIGH)), x, 0, 0, w,
1055 FALSE, u, FALSE, c, OUT_DEFAULT_PRECIS,
1056 CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY,
1057 FIXED_PITCH | FF_DONTCARE, s);
1058
1059 fontflag[fontno] = 1;
1060 }
1061
1062 static void deinit_fonts(void)
1063 {
1064 int i;
1065 for (i = 0; i < FONT_MAXNO; i++) {
1066 if (fonts[i])
1067 DeleteObject(fonts[i]);
1068 fonts[i] = 0;
1069 fontflag[i] = 0;
1070 }
1071 }
1072
1073 void request_resize(int w, int h, int refont)
1074 {
1075 int width, height;
1076
1077 /* If the window is maximized supress resizing attempts */
1078 if (IsZoomed(hwnd))
1079 return;
1080
1081 if (refont && w != cols && (cols == 80 || cols == 132)) {
1082 /* If font width too big for screen should we shrink the font more ? */
1083 if (w == 132)
1084 font_width = ((font_width * cols + w / 2) / w);
1085 else
1086 font_width = 0;
1087 deinit_fonts();
1088 bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
1089 und_mode = UND_FONT;
1090 init_fonts(font_width);
1091 } else {
1092 static int first_time = 1;
1093 static RECT ss;
1094
1095 switch (first_time) {
1096 case 1:
1097 /* Get the size of the screen */
1098 if (GetClientRect(GetDesktopWindow(), &ss))
1099 /* first_time = 0 */ ;
1100 else {
1101 first_time = 2;
1102 break;
1103 }
1104 case 0:
1105 /* Make sure the values are sane */
1106 width = (ss.right - ss.left - extra_width) / font_width;
1107 height = (ss.bottom - ss.top - extra_height) / font_height;
1108
1109 if (w > width)
1110 w = width;
1111 if (h > height)
1112 h = height;
1113 if (w < 15)
1114 w = 15;
1115 if (h < 1)
1116 w = 1;
1117 }
1118 }
1119
1120 width = extra_width + font_width * w;
1121 height = extra_height + font_height * h;
1122
1123 SetWindowPos(hwnd, NULL, 0, 0, width, height,
1124 SWP_NOACTIVATE | SWP_NOCOPYBITS |
1125 SWP_NOMOVE | SWP_NOZORDER);
1126 }
1127
1128 static void click(Mouse_Button b, int x, int y, int shift, int ctrl)
1129 {
1130 int thistime = GetMessageTime();
1131
1132 if (send_raw_mouse && !(cfg.mouse_override && shift)) {
1133 lastbtn = MBT_NOTHING;
1134 term_mouse(b, MA_CLICK, x, y, shift, ctrl);
1135 return;
1136 }
1137
1138 if (lastbtn == b && thistime - lasttime < dbltime) {
1139 lastact = (lastact == MA_CLICK ? MA_2CLK :
1140 lastact == MA_2CLK ? MA_3CLK :
1141 lastact == MA_3CLK ? MA_CLICK : MA_NOTHING);
1142 } else {
1143 lastbtn = b;
1144 lastact = MA_CLICK;
1145 }
1146 if (lastact != MA_NOTHING)
1147 term_mouse(b, lastact, x, y, shift, ctrl);
1148 lasttime = thistime;
1149 }
1150
1151 /*
1152 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
1153 * into a cooked one (SELECT, EXTEND, PASTE).
1154 */
1155 Mouse_Button translate_button(Mouse_Button button)
1156 {
1157 if (button == MBT_LEFT)
1158 return MBT_SELECT;
1159 if (button == MBT_MIDDLE)
1160 return cfg.mouse_is_xterm ? MBT_PASTE : MBT_EXTEND;
1161 if (button == MBT_RIGHT)
1162 return cfg.mouse_is_xterm ? MBT_EXTEND : MBT_PASTE;
1163 return 0; /* shouldn't happen */
1164 }
1165
1166 static void show_mouseptr(int show)
1167 {
1168 static int cursor_visible = 1;
1169 if (!cfg.hide_mouseptr) /* override if this feature disabled */
1170 show = 1;
1171 if (cursor_visible && !show)
1172 ShowCursor(FALSE);
1173 else if (!cursor_visible && show)
1174 ShowCursor(TRUE);
1175 cursor_visible = show;
1176 }
1177
1178 static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
1179 WPARAM wParam, LPARAM lParam)
1180 {
1181 HDC hdc;
1182 static int ignore_size = FALSE;
1183 static int ignore_clip = FALSE;
1184 static int just_reconfigged = FALSE;
1185 static int resizing = FALSE;
1186 static int need_backend_resize = FALSE;
1187 static int defered_resize = FALSE;
1188
1189 switch (message) {
1190 case WM_TIMER:
1191 if (pending_netevent)
1192 enact_pending_netevent();
1193 if (inbuf_head)
1194 term_out();
1195 noise_regular();
1196 HideCaret(hwnd);
1197 term_update();
1198 ShowCaret(hwnd);
1199 if (cfg.ping_interval > 0) {
1200 time_t now;
1201 time(&now);
1202 if (now - last_movement > cfg.ping_interval) {
1203 back->special(TS_PING);
1204 last_movement = now;
1205 }
1206 }
1207 return 0;
1208 case WM_CREATE:
1209 break;
1210 case WM_CLOSE:
1211 show_mouseptr(1);
1212 if (!cfg.warn_on_close || session_closed ||
1213 MessageBox(hwnd,
1214 "Are you sure you want to close this session?",
1215 "PuTTY Exit Confirmation",
1216 MB_ICONWARNING | MB_OKCANCEL) == IDOK)
1217 DestroyWindow(hwnd);
1218 return 0;
1219 case WM_DESTROY:
1220 show_mouseptr(1);
1221 PostQuitMessage(0);
1222 return 0;
1223 case WM_SYSCOMMAND:
1224 switch (wParam & ~0xF) { /* low 4 bits reserved to Windows */
1225 case IDM_SHOWLOG:
1226 showeventlog(hwnd);
1227 break;
1228 case IDM_NEWSESS:
1229 case IDM_DUPSESS:
1230 case IDM_SAVEDSESS:
1231 {
1232 char b[2048];
1233 char c[30], *cl;
1234 int freecl = FALSE;
1235 STARTUPINFO si;
1236 PROCESS_INFORMATION pi;
1237 HANDLE filemap = NULL;
1238
1239 if (wParam == IDM_DUPSESS) {
1240 /*
1241 * Allocate a file-mapping memory chunk for the
1242 * config structure.
1243 */
1244 SECURITY_ATTRIBUTES sa;
1245 Config *p;
1246
1247 sa.nLength = sizeof(sa);
1248 sa.lpSecurityDescriptor = NULL;
1249 sa.bInheritHandle = TRUE;
1250 filemap = CreateFileMapping((HANDLE) 0xFFFFFFFF,
1251 &sa,
1252 PAGE_READWRITE,
1253 0, sizeof(Config), NULL);
1254 if (filemap) {
1255 p = (Config *) MapViewOfFile(filemap,
1256 FILE_MAP_WRITE,
1257 0, 0, sizeof(Config));
1258 if (p) {
1259 *p = cfg; /* structure copy */
1260 UnmapViewOfFile(p);
1261 }
1262 }
1263 sprintf(c, "putty &%p", filemap);
1264 cl = c;
1265 } else if (wParam == IDM_SAVEDSESS) {
1266 char *session =
1267 sessions[(lParam - IDM_SAVED_MIN) / 16];
1268 cl = smalloc(16 + strlen(session)); /* 8, but play safe */
1269 if (!cl)
1270 cl = NULL; /* not a very important failure mode */
1271 else {
1272 sprintf(cl, "putty @%s", session);
1273 freecl = TRUE;
1274 }
1275 } else
1276 cl = NULL;
1277
1278 GetModuleFileName(NULL, b, sizeof(b) - 1);
1279 si.cb = sizeof(si);
1280 si.lpReserved = NULL;
1281 si.lpDesktop = NULL;
1282 si.lpTitle = NULL;
1283 si.dwFlags = 0;
1284 si.cbReserved2 = 0;
1285 si.lpReserved2 = NULL;
1286 CreateProcess(b, cl, NULL, NULL, TRUE,
1287 NORMAL_PRIORITY_CLASS, NULL, NULL, &si, &pi);
1288
1289 if (filemap)
1290 CloseHandle(filemap);
1291 if (freecl)
1292 sfree(cl);
1293 }
1294 break;
1295 case IDM_RECONF:
1296 {
1297 int prev_alwaysontop = cfg.alwaysontop;
1298 int prev_sunken_edge = cfg.sunken_edge;
1299 char oldlogfile[FILENAME_MAX];
1300 int oldlogtype;
1301 int need_setwpos = FALSE;
1302 int old_fwidth, old_fheight;
1303
1304 strcpy(oldlogfile, cfg.logfilename);
1305 oldlogtype = cfg.logtype;
1306 old_fwidth = font_width;
1307 old_fheight = font_height;
1308 GetWindowText(hwnd, cfg.wintitle, sizeof(cfg.wintitle));
1309
1310 if (!do_reconfig(hwnd))
1311 break;
1312
1313 if (strcmp(oldlogfile, cfg.logfilename) ||
1314 oldlogtype != cfg.logtype) {
1315 logfclose(); /* reset logging */
1316 logfopen();
1317 }
1318
1319 just_reconfigged = TRUE;
1320 deinit_fonts();
1321 bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
1322 und_mode = UND_FONT;
1323 init_fonts(0);
1324 sfree(logpal);
1325 /*
1326 * Flush the line discipline's edit buffer in the
1327 * case where local editing has just been disabled.
1328 */
1329 ldisc_send(NULL, 0);
1330 if (pal)
1331 DeleteObject(pal);
1332 logpal = NULL;
1333 pal = NULL;
1334 cfgtopalette();
1335 init_palette();
1336
1337 /* Enable or disable the scroll bar, etc */
1338 {
1339 LONG nflg, flag = GetWindowLong(hwnd, GWL_STYLE);
1340 LONG nexflag, exflag =
1341 GetWindowLong(hwnd, GWL_EXSTYLE);
1342
1343 nexflag = exflag;
1344 if (cfg.alwaysontop != prev_alwaysontop) {
1345 if (cfg.alwaysontop) {
1346 nexflag |= WS_EX_TOPMOST;
1347 SetWindowPos(hwnd, HWND_TOPMOST, 0, 0, 0, 0,
1348 SWP_NOMOVE | SWP_NOSIZE);
1349 } else {
1350 nexflag &= ~(WS_EX_TOPMOST);
1351 SetWindowPos(hwnd, HWND_NOTOPMOST, 0, 0, 0, 0,
1352 SWP_NOMOVE | SWP_NOSIZE);
1353 }
1354 }
1355 if (cfg.sunken_edge)
1356 nexflag |= WS_EX_CLIENTEDGE;
1357 else
1358 nexflag &= ~(WS_EX_CLIENTEDGE);
1359
1360 nflg = flag;
1361 if (cfg.scrollbar)
1362 nflg |= WS_VSCROLL;
1363 else
1364 nflg &= ~WS_VSCROLL;
1365 if (cfg.locksize)
1366 nflg &= ~(WS_THICKFRAME | WS_MAXIMIZEBOX);
1367 else
1368 nflg |= (WS_THICKFRAME | WS_MAXIMIZEBOX);
1369
1370 if (nflg != flag || nexflag != exflag) {
1371 RECT cr, wr;
1372
1373 if (nflg != flag)
1374 SetWindowLong(hwnd, GWL_STYLE, nflg);
1375 if (nexflag != exflag)
1376 SetWindowLong(hwnd, GWL_EXSTYLE, nexflag);
1377
1378 SendMessage(hwnd, WM_IGNORE_SIZE, 0, 0);
1379
1380 SetWindowPos(hwnd, NULL, 0, 0, 0, 0,
1381 SWP_NOACTIVATE | SWP_NOCOPYBITS |
1382 SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER
1383 | SWP_FRAMECHANGED);
1384
1385 GetWindowRect(hwnd, &wr);
1386 GetClientRect(hwnd, &cr);
1387 extra_width =
1388 wr.right - wr.left - cr.right + cr.left;
1389 extra_height =
1390 wr.bottom - wr.top - cr.bottom + cr.top;
1391 need_setwpos = TRUE;
1392 }
1393 }
1394
1395 if (cfg.height != rows ||
1396 cfg.width != cols ||
1397 old_fwidth != font_width ||
1398 old_fheight != font_height ||
1399 cfg.savelines != savelines ||
1400 cfg.sunken_edge != prev_sunken_edge)
1401 need_setwpos = TRUE;
1402
1403 if (IsZoomed(hwnd)) {
1404 int w, h;
1405 RECT cr;
1406 if (need_setwpos)
1407 defered_resize = TRUE;
1408
1409 GetClientRect(hwnd, &cr);
1410 w = cr.right - cr.left;
1411 h = cr.bottom - cr.top;
1412 w = w / font_width;
1413 if (w < 1)
1414 w = 1;
1415 h = h / font_height;
1416 if (h < 1)
1417 h = 1;
1418
1419 term_size(h, w, cfg.savelines);
1420 InvalidateRect(hwnd, NULL, TRUE);
1421 back->size();
1422 } else {
1423 term_size(cfg.height, cfg.width, cfg.savelines);
1424 InvalidateRect(hwnd, NULL, TRUE);
1425 if (need_setwpos) {
1426 SetWindowPos(hwnd, NULL, 0, 0,
1427 extra_width + font_width * cfg.width,
1428 extra_height +
1429 font_height * cfg.height,
1430 SWP_NOACTIVATE | SWP_NOCOPYBITS |
1431 SWP_NOMOVE | SWP_NOZORDER);
1432 }
1433 }
1434 /* Oops */
1435 if (cfg.locksize && IsZoomed(hwnd))
1436 force_normal(hwnd);
1437 set_title(cfg.wintitle);
1438 if (IsIconic(hwnd)) {
1439 SetWindowText(hwnd,
1440 cfg.win_name_always ? window_name :
1441 icon_name);
1442 }
1443 }
1444 break;
1445 case IDM_COPYALL:
1446 term_copyall();
1447 break;
1448 case IDM_CLRSB:
1449 term_clrsb();
1450 break;
1451 case IDM_RESET:
1452 term_pwron();
1453 break;
1454 case IDM_TEL_AYT:
1455 back->special(TS_AYT);
1456 break;
1457 case IDM_TEL_BRK:
1458 back->special(TS_BRK);
1459 break;
1460 case IDM_TEL_SYNCH:
1461 back->special(TS_SYNCH);
1462 break;
1463 case IDM_TEL_EC:
1464 back->special(TS_EC);
1465 break;
1466 case IDM_TEL_EL:
1467 back->special(TS_EL);
1468 break;
1469 case IDM_TEL_GA:
1470 back->special(TS_GA);
1471 break;
1472 case IDM_TEL_NOP:
1473 back->special(TS_NOP);
1474 break;
1475 case IDM_TEL_ABORT:
1476 back->special(TS_ABORT);
1477 break;
1478 case IDM_TEL_AO:
1479 back->special(TS_AO);
1480 break;
1481 case IDM_TEL_IP:
1482 back->special(TS_IP);
1483 break;
1484 case IDM_TEL_SUSP:
1485 back->special(TS_SUSP);
1486 break;
1487 case IDM_TEL_EOR:
1488 back->special(TS_EOR);
1489 break;
1490 case IDM_TEL_EOF:
1491 back->special(TS_EOF);
1492 break;
1493 case IDM_ABOUT:
1494 showabout(hwnd);
1495 break;
1496 case SC_KEYMENU:
1497 /*
1498 * We get this if the System menu has been activated.
1499 * This might happen from within TranslateKey, in which
1500 * case it really wants to be followed by a `space'
1501 * character to actually _bring the menu up_ rather
1502 * than just sitting there in `ready to appear' state.
1503 */
1504 if( lParam == 0 )
1505 PostMessage(hwnd, WM_CHAR, ' ', 0);
1506 break;
1507 default:
1508 if (wParam >= IDM_SAVED_MIN && wParam <= IDM_SAVED_MAX) {
1509 SendMessage(hwnd, WM_SYSCOMMAND, IDM_SAVEDSESS, wParam);
1510 }
1511 }
1512 break;
1513
1514 #define X_POS(l) ((int)(short)LOWORD(l))
1515 #define Y_POS(l) ((int)(short)HIWORD(l))
1516
1517 #define TO_CHR_X(x) (((x)<0 ? (x)-font_width+1 : (x)) / font_width)
1518 #define TO_CHR_Y(y) (((y)<0 ? (y)-font_height+1: (y)) / font_height)
1519 #define WHEEL_DELTA 120
1520 case WM_MOUSEWHEEL:
1521 {
1522 wheel_accumulator += (short) HIWORD(wParam);
1523 wParam = LOWORD(wParam);
1524
1525 /* process events when the threshold is reached */
1526 while (abs(wheel_accumulator) >= WHEEL_DELTA) {
1527 int b;
1528
1529 /* reduce amount for next time */
1530 if (wheel_accumulator > 0) {
1531 b = MBT_WHEEL_UP;
1532 wheel_accumulator -= WHEEL_DELTA;
1533 } else if (wheel_accumulator < 0) {
1534 b = MBT_WHEEL_DOWN;
1535 wheel_accumulator += WHEEL_DELTA;
1536 } else
1537 break;
1538
1539 if (send_raw_mouse) {
1540 /* send a mouse-down followed by a mouse up */
1541 term_mouse(b,
1542 MA_CLICK,
1543 TO_CHR_X(X_POS(lParam)),
1544 TO_CHR_Y(Y_POS(lParam)), wParam & MK_SHIFT,
1545 wParam & MK_CONTROL);
1546 term_mouse(b, MA_RELEASE, TO_CHR_X(X_POS(lParam)),
1547 TO_CHR_Y(Y_POS(lParam)), wParam & MK_SHIFT,
1548 wParam & MK_CONTROL);
1549 } else {
1550 /* trigger a scroll */
1551 term_scroll(0,
1552 b == MBT_WHEEL_UP ? -rows / 2 : rows / 2);
1553 }
1554 }
1555 return 0;
1556 }
1557 case WM_LBUTTONDOWN:
1558 case WM_MBUTTONDOWN:
1559 case WM_RBUTTONDOWN:
1560 case WM_LBUTTONUP:
1561 case WM_MBUTTONUP:
1562 case WM_RBUTTONUP:
1563 {
1564 int button, press;
1565 switch (message) {
1566 case WM_LBUTTONDOWN:
1567 button = MBT_LEFT;
1568 press = 1;
1569 break;
1570 case WM_MBUTTONDOWN:
1571 button = MBT_MIDDLE;
1572 press = 1;
1573 break;
1574 case WM_RBUTTONDOWN:
1575 button = MBT_RIGHT;
1576 press = 1;
1577 break;
1578 case WM_LBUTTONUP:
1579 button = MBT_LEFT;
1580 press = 0;
1581 break;
1582 case WM_MBUTTONUP:
1583 button = MBT_MIDDLE;
1584 press = 0;
1585 break;
1586 case WM_RBUTTONUP:
1587 button = MBT_RIGHT;
1588 press = 0;
1589 break;
1590 default:
1591 button = press = 0; /* shouldn't happen */
1592 }
1593 show_mouseptr(1);
1594 if (press) {
1595 click(button,
1596 TO_CHR_X(X_POS(lParam)), TO_CHR_Y(Y_POS(lParam)),
1597 wParam & MK_SHIFT, wParam & MK_CONTROL);
1598 SetCapture(hwnd);
1599 } else {
1600 term_mouse(button, MA_RELEASE,
1601 TO_CHR_X(X_POS(lParam)),
1602 TO_CHR_Y(Y_POS(lParam)), wParam & MK_SHIFT,
1603 wParam & MK_CONTROL);
1604 ReleaseCapture();
1605 }
1606 }
1607 return 0;
1608 case WM_MOUSEMOVE:
1609 show_mouseptr(1);
1610 /*
1611 * Add the mouse position and message time to the random
1612 * number noise.
1613 */
1614 noise_ultralight(lParam);
1615
1616 if (wParam & (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON)) {
1617 Mouse_Button b;
1618 if (wParam & MK_LBUTTON)
1619 b = MBT_LEFT;
1620 else if (wParam & MK_MBUTTON)
1621 b = MBT_MIDDLE;
1622 else
1623 b = MBT_RIGHT;
1624 term_mouse(b, MA_DRAG, TO_CHR_X(X_POS(lParam)),
1625 TO_CHR_Y(Y_POS(lParam)), wParam & MK_SHIFT,
1626 wParam & MK_CONTROL);
1627 }
1628 return 0;
1629 case WM_NCMOUSEMOVE:
1630 show_mouseptr(1);
1631 noise_ultralight(lParam);
1632 return 0;
1633 case WM_IGNORE_CLIP:
1634 ignore_clip = wParam; /* don't panic on DESTROYCLIPBOARD */
1635 break;
1636 case WM_DESTROYCLIPBOARD:
1637 if (!ignore_clip)
1638 term_deselect();
1639 ignore_clip = FALSE;
1640 return 0;
1641 case WM_PAINT:
1642 {
1643 PAINTSTRUCT p;
1644 HideCaret(hwnd);
1645 hdc = BeginPaint(hwnd, &p);
1646 if (pal) {
1647 SelectPalette(hdc, pal, TRUE);
1648 RealizePalette(hdc);
1649 }
1650 term_paint(hdc, p.rcPaint.left, p.rcPaint.top,
1651 p.rcPaint.right, p.rcPaint.bottom);
1652 SelectObject(hdc, GetStockObject(SYSTEM_FONT));
1653 SelectObject(hdc, GetStockObject(WHITE_PEN));
1654 EndPaint(hwnd, &p);
1655 ShowCaret(hwnd);
1656 }
1657 return 0;
1658 case WM_NETEVENT:
1659 /* Notice we can get multiple netevents, FD_READ, FD_WRITE etc
1660 * but the only one that's likely to try to overload us is FD_READ.
1661 * This means buffering just one is fine.
1662 */
1663 if (pending_netevent)
1664 enact_pending_netevent();
1665
1666 pending_netevent = TRUE;
1667 pend_netevent_wParam = wParam;
1668 pend_netevent_lParam = lParam;
1669 time(&last_movement);
1670 return 0;
1671 case WM_SETFOCUS:
1672 has_focus = TRUE;
1673 CreateCaret(hwnd, caretbm, font_width, font_height);
1674 ShowCaret(hwnd);
1675 flash_window(0); /* stop */
1676 compose_state = 0;
1677 term_out();
1678 term_update();
1679 break;
1680 case WM_KILLFOCUS:
1681 show_mouseptr(1);
1682 has_focus = FALSE;
1683 DestroyCaret();
1684 term_out();
1685 term_update();
1686 break;
1687 case WM_IGNORE_SIZE:
1688 ignore_size = TRUE; /* don't panic on next WM_SIZE msg */
1689 break;
1690 case WM_ENTERSIZEMOVE:
1691 EnableSizeTip(1);
1692 resizing = TRUE;
1693 need_backend_resize = FALSE;
1694 break;
1695 case WM_EXITSIZEMOVE:
1696 EnableSizeTip(0);
1697 resizing = FALSE;
1698 if (need_backend_resize)
1699 back->size();
1700 break;
1701 case WM_SIZING:
1702 {
1703 int width, height, w, h, ew, eh;
1704 LPRECT r = (LPRECT) lParam;
1705
1706 width = r->right - r->left - extra_width;
1707 height = r->bottom - r->top - extra_height;
1708 w = (width + font_width / 2) / font_width;
1709 if (w < 1)
1710 w = 1;
1711 h = (height + font_height / 2) / font_height;
1712 if (h < 1)
1713 h = 1;
1714 UpdateSizeTip(hwnd, w, h);
1715 ew = width - w * font_width;
1716 eh = height - h * font_height;
1717 if (ew != 0) {
1718 if (wParam == WMSZ_LEFT ||
1719 wParam == WMSZ_BOTTOMLEFT || wParam == WMSZ_TOPLEFT)
1720 r->left += ew;
1721 else
1722 r->right -= ew;
1723 }
1724 if (eh != 0) {
1725 if (wParam == WMSZ_TOP ||
1726 wParam == WMSZ_TOPRIGHT || wParam == WMSZ_TOPLEFT)
1727 r->top += eh;
1728 else
1729 r->bottom -= eh;
1730 }
1731 if (ew || eh)
1732 return 1;
1733 else
1734 return 0;
1735 }
1736 /* break; (never reached) */
1737 case WM_SIZE:
1738 if (wParam == SIZE_MINIMIZED) {
1739 SetWindowText(hwnd,
1740 cfg.win_name_always ? window_name : icon_name);
1741 break;
1742 }
1743 if (wParam == SIZE_RESTORED || wParam == SIZE_MAXIMIZED)
1744 SetWindowText(hwnd, window_name);
1745 if (!ignore_size) {
1746 int width, height, w, h;
1747 #if 0 /* we have fixed this using WM_SIZING now */
1748 int ew, eh;
1749 #endif
1750
1751 width = LOWORD(lParam);
1752 height = HIWORD(lParam);
1753 w = width / font_width;
1754 if (w < 1)
1755 w = 1;
1756 h = height / font_height;
1757 if (h < 1)
1758 h = 1;
1759 #if 0 /* we have fixed this using WM_SIZING now */
1760 ew = width - w * font_width;
1761 eh = height - h * font_height;
1762 if (ew != 0 || eh != 0) {
1763 RECT r;
1764 GetWindowRect(hwnd, &r);
1765 SendMessage(hwnd, WM_IGNORE_SIZE, 0, 0);
1766 SetWindowPos(hwnd, NULL, 0, 0,
1767 r.right - r.left - ew, r.bottom - r.top - eh,
1768 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
1769 }
1770 #endif
1771 if (w != cols || h != rows || just_reconfigged) {
1772 term_invalidate();
1773 term_size(h, w, cfg.savelines);
1774 /*
1775 * Don't call back->size in mid-resize. (To prevent
1776 * massive numbers of resize events getting sent
1777 * down the connection during an NT opaque drag.)
1778 */
1779 if (!resizing)
1780 back->size();
1781 else {
1782 need_backend_resize = TRUE;
1783 cfg.height = h;
1784 cfg.width = w;
1785 }
1786 just_reconfigged = FALSE;
1787 }
1788 }
1789 if (wParam == SIZE_RESTORED && defered_resize) {
1790 defered_resize = FALSE;
1791 SetWindowPos(hwnd, NULL, 0, 0,
1792 extra_width + font_width * cfg.width,
1793 extra_height + font_height * cfg.height,
1794 SWP_NOACTIVATE | SWP_NOCOPYBITS |
1795 SWP_NOMOVE | SWP_NOZORDER);
1796 }
1797 ignore_size = FALSE;
1798 return 0;
1799 case WM_VSCROLL:
1800 switch (LOWORD(wParam)) {
1801 case SB_BOTTOM:
1802 term_scroll(-1, 0);
1803 break;
1804 case SB_TOP:
1805 term_scroll(+1, 0);
1806 break;
1807 case SB_LINEDOWN:
1808 term_scroll(0, +1);
1809 break;
1810 case SB_LINEUP:
1811 term_scroll(0, -1);
1812 break;
1813 case SB_PAGEDOWN:
1814 term_scroll(0, +rows / 2);
1815 break;
1816 case SB_PAGEUP:
1817 term_scroll(0, -rows / 2);
1818 break;
1819 case SB_THUMBPOSITION:
1820 case SB_THUMBTRACK:
1821 term_scroll(1, HIWORD(wParam));
1822 break;
1823 }
1824 break;
1825 case WM_PALETTECHANGED:
1826 if ((HWND) wParam != hwnd && pal != NULL) {
1827 HDC hdc = get_ctx();
1828 if (hdc) {
1829 if (RealizePalette(hdc) > 0)
1830 UpdateColors(hdc);
1831 free_ctx(hdc);
1832 }
1833 }
1834 break;
1835 case WM_QUERYNEWPALETTE:
1836 if (pal != NULL) {
1837 HDC hdc = get_ctx();
1838 if (hdc) {
1839 if (RealizePalette(hdc) > 0)
1840 UpdateColors(hdc);
1841 free_ctx(hdc);
1842 return TRUE;
1843 }
1844 }
1845 return FALSE;
1846 case WM_KEYDOWN:
1847 case WM_SYSKEYDOWN:
1848 case WM_KEYUP:
1849 case WM_SYSKEYUP:
1850 /*
1851 * Add the scan code and keypress timing to the random
1852 * number noise.
1853 */
1854 noise_ultralight(lParam);
1855
1856 /*
1857 * We don't do TranslateMessage since it disassociates the
1858 * resulting CHAR message from the KEYDOWN that sparked it,
1859 * which we occasionally don't want. Instead, we process
1860 * KEYDOWN, and call the Win32 translator functions so that
1861 * we get the translations under _our_ control.
1862 */
1863 {
1864 unsigned char buf[20];
1865 int len;
1866
1867 if (wParam == VK_PROCESSKEY) {
1868 MSG m;
1869 m.hwnd = hwnd;
1870 m.message = WM_KEYDOWN;
1871 m.wParam = wParam;
1872 m.lParam = lParam & 0xdfff;
1873 TranslateMessage(&m);
1874 } else {
1875 len = TranslateKey(message, wParam, lParam, buf);
1876 if (len == -1)
1877 return DefWindowProc(hwnd, message, wParam, lParam);
1878
1879 if (len != 0) {
1880 /*
1881 * We need not bother about stdin backlogs
1882 * here, because in GUI PuTTY we can't do
1883 * anything about it anyway; there's no means
1884 * of asking Windows to hold off on KEYDOWN
1885 * messages. We _have_ to buffer everything
1886 * we're sent.
1887 */
1888 ldisc_send(buf, len);
1889 show_mouseptr(0);
1890 }
1891 }
1892 }
1893 return 0;
1894 case WM_INPUTLANGCHANGE:
1895 {
1896 /* wParam == Font number */
1897 /* lParam == Locale */
1898 char lbuf[20];
1899 HKL NewInputLocale = (HKL) lParam;
1900
1901 // lParam == GetKeyboardLayout(0);
1902
1903 GetLocaleInfo(LOWORD(NewInputLocale),
1904 LOCALE_IDEFAULTANSICODEPAGE, lbuf, sizeof(lbuf));
1905
1906 kbd_codepage = atoi(lbuf);
1907 }
1908 break;
1909 case WM_IME_COMPOSITION:
1910 {
1911 HIMC hIMC;
1912 int n;
1913 char *buff;
1914
1915 if(osVersion.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS ||
1916 osVersion.dwPlatformId == VER_PLATFORM_WIN32s) break; /* no Unicode */
1917
1918 if ((lParam & GCS_RESULTSTR) == 0) /* Composition unfinished. */
1919 break; /* fall back to DefWindowProc */
1920
1921 hIMC = ImmGetContext(hwnd);
1922 n = ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, NULL, 0);
1923
1924 if (n > 0) {
1925 buff = (char*) smalloc(n);
1926 ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, buff, n);
1927 luni_send((unsigned short *)buff, n / 2);
1928 free(buff);
1929 }
1930 ImmReleaseContext(hwnd, hIMC);
1931 return 1;
1932 }
1933
1934 case WM_IME_CHAR:
1935 if (wParam & 0xFF00) {
1936 unsigned char buf[2];
1937
1938 buf[1] = wParam;
1939 buf[0] = wParam >> 8;
1940 lpage_send(kbd_codepage, buf, 2);
1941 } else {
1942 char c = (unsigned char) wParam;
1943 lpage_send(kbd_codepage, &c, 1);
1944 }
1945 return (0);
1946 case WM_CHAR:
1947 case WM_SYSCHAR:
1948 /*
1949 * Nevertheless, we are prepared to deal with WM_CHAR
1950 * messages, should they crop up. So if someone wants to
1951 * post the things to us as part of a macro manoeuvre,
1952 * we're ready to cope.
1953 */
1954 {
1955 char c = (unsigned char)wParam;
1956 lpage_send(CP_ACP, &c, 1);
1957 }
1958 return 0;
1959 case WM_SETCURSOR:
1960 if (send_raw_mouse) {
1961 SetCursor(LoadCursor(NULL, IDC_ARROW));
1962 return TRUE;
1963 }
1964 }
1965
1966 return DefWindowProc(hwnd, message, wParam, lParam);
1967 }
1968
1969 /*
1970 * Move the system caret. (We maintain one, even though it's
1971 * invisible, for the benefit of blind people: apparently some
1972 * helper software tracks the system caret, so we should arrange to
1973 * have one.)
1974 */
1975 void sys_cursor(int x, int y)
1976 {
1977 COMPOSITIONFORM cf;
1978 HIMC hIMC;
1979
1980 if (!has_focus) return;
1981
1982 SetCaretPos(x * font_width, y * font_height);
1983
1984 /* IMM calls on Win98 and beyond only */
1985 if(osVersion.dwPlatformId == VER_PLATFORM_WIN32s) return; /* 3.11 */
1986
1987 if(osVersion.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS &&
1988 osVersion.dwMinorVersion == 0) return; /* 95 */
1989
1990 /* we should have the IMM functions */
1991 hIMC = ImmGetContext(hwnd);
1992 cf.dwStyle = CFS_POINT;
1993 cf.ptCurrentPos.x = x * font_width;
1994 cf.ptCurrentPos.y = y * font_height;
1995 ImmSetCompositionWindow(hIMC, &cf);
1996
1997 ImmReleaseContext(hwnd, hIMC);
1998 }
1999
2000 /*
2001 * Draw a line of text in the window, at given character
2002 * coordinates, in given attributes.
2003 *
2004 * We are allowed to fiddle with the contents of `text'.
2005 */
2006 void do_text(Context ctx, int x, int y, char *text, int len,
2007 unsigned long attr, int lattr)
2008 {
2009 COLORREF fg, bg, t;
2010 int nfg, nbg, nfont;
2011 HDC hdc = ctx;
2012 RECT line_box;
2013 int force_manual_underline = 0;
2014 int fnt_width = font_width * (1 + (lattr != LATTR_NORM));
2015 int char_width = fnt_width;
2016 int text_adjust = 0;
2017 static int *IpDx = 0, IpDxLEN = 0;
2018
2019 if (attr & ATTR_WIDE)
2020 char_width *= 2;
2021
2022 if (len > IpDxLEN || IpDx[0] != char_width) {
2023 int i;
2024 if (len > IpDxLEN) {
2025 sfree(IpDx);
2026 IpDx = smalloc((len + 16) * sizeof(int));
2027 IpDxLEN = (len + 16);
2028 }
2029 for (i = 0; i < IpDxLEN; i++)
2030 IpDx[i] = char_width;
2031 }
2032
2033 x *= fnt_width;
2034 y *= font_height;
2035
2036 if ((attr & TATTR_ACTCURS) && (cfg.cursor_type == 0 || big_cursor)) {
2037 attr &= ATTR_CUR_AND | (bold_mode != BOLD_COLOURS ? ATTR_BOLD : 0);
2038 attr ^= ATTR_CUR_XOR;
2039 }
2040
2041 nfont = 0;
2042 if (cfg.vtmode == VT_POORMAN && lattr != LATTR_NORM) {
2043 /* Assume a poorman font is borken in other ways too. */
2044 lattr = LATTR_WIDE;
2045 } else
2046 switch (lattr) {
2047 case LATTR_NORM:
2048 break;
2049 case LATTR_WIDE:
2050 nfont |= FONT_WIDE;
2051 break;
2052 default:
2053 nfont |= FONT_WIDE + FONT_HIGH;
2054 break;
2055 }
2056
2057 /* Special hack for the VT100 linedraw glyphs. */
2058 if ((attr & CSET_MASK) == 0x2300) {
2059 if (!dbcs_screenfont &&
2060 text[0] >= (char) 0xBA && text[0] <= (char) 0xBD) {
2061 switch ((unsigned char) (text[0])) {
2062 case 0xBA:
2063 text_adjust = -2 * font_height / 5;
2064 break;
2065 case 0xBB:
2066 text_adjust = -1 * font_height / 5;
2067 break;
2068 case 0xBC:
2069 text_adjust = font_height / 5;
2070 break;
2071 case 0xBD:
2072 text_adjust = 2 * font_height / 5;
2073 break;
2074 }
2075 if (lattr == LATTR_TOP || lattr == LATTR_BOT)
2076 text_adjust *= 2;
2077 attr &= ~CSET_MASK;
2078 text[0] = (char) (unitab_xterm['q'] & CHAR_MASK);
2079 attr |= (unitab_xterm['q'] & CSET_MASK);
2080 if (attr & ATTR_UNDER) {
2081 attr &= ~ATTR_UNDER;
2082 force_manual_underline = 1;
2083 }
2084 }
2085 }
2086
2087 /* Anything left as an original character set is unprintable. */
2088 if (DIRECT_CHAR(attr)) {
2089 attr &= ~CSET_MASK;
2090 attr |= 0xFF00;
2091 memset(text, 0xFF, len);
2092 }
2093
2094 /* OEM CP */
2095 if ((attr & CSET_MASK) == ATTR_OEMCP)
2096 nfont |= FONT_OEM;
2097
2098 nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
2099 nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
2100 if (bold_mode == BOLD_FONT && (attr & ATTR_BOLD))
2101 nfont |= FONT_BOLD;
2102 if (und_mode == UND_FONT && (attr & ATTR_UNDER))
2103 nfont |= FONT_UNDERLINE;
2104 another_font(nfont);
2105 if (!fonts[nfont]) {
2106 if (nfont & FONT_UNDERLINE)
2107 force_manual_underline = 1;
2108 /* Don't do the same for manual bold, it could be bad news. */
2109
2110 nfont &= ~(FONT_BOLD | FONT_UNDERLINE);
2111 }
2112 another_font(nfont);
2113 if (!fonts[nfont])
2114 nfont = FONT_NORMAL;
2115 if (attr & ATTR_REVERSE) {
2116 t = nfg;
2117 nfg = nbg;
2118 nbg = t;
2119 }
2120 if (bold_mode == BOLD_COLOURS && (attr & ATTR_BOLD))
2121 nfg++;
2122 if (bold_mode == BOLD_COLOURS && (attr & ATTR_BLINK))
2123 nbg++;
2124 fg = colours[nfg];
2125 bg = colours[nbg];
2126 SelectObject(hdc, fonts[nfont]);
2127 SetTextColor(hdc, fg);
2128 SetBkColor(hdc, bg);
2129 SetBkMode(hdc, OPAQUE);
2130 line_box.left = x;
2131 line_box.top = y;
2132 line_box.right = x + char_width * len;
2133 line_box.bottom = y + font_height;
2134
2135 /* We're using a private area for direct to font. (512 chars.) */
2136 if (dbcs_screenfont && (attr & CSET_MASK) == ATTR_ACP) {
2137 /* Ho Hum, dbcs fonts are a PITA! */
2138 /* To display on W9x I have to convert to UCS */
2139 static wchar_t *uni_buf = 0;
2140 static int uni_len = 0;
2141 int nlen;
2142 if (len > uni_len) {
2143 sfree(uni_buf);
2144 uni_buf = smalloc((uni_len = len) * sizeof(wchar_t));
2145 }
2146 nlen = MultiByteToWideChar(font_codepage, MB_USEGLYPHCHARS,
2147 text, len, uni_buf, uni_len);
2148
2149 if (nlen <= 0)
2150 return; /* Eeek! */
2151
2152 ExtTextOutW(hdc, x,
2153 y - font_height * (lattr == LATTR_BOT) + text_adjust,
2154 ETO_CLIPPED | ETO_OPAQUE, &line_box, uni_buf, nlen, 0);
2155 if (bold_mode == BOLD_SHADOW && (attr & ATTR_BOLD)) {
2156 SetBkMode(hdc, TRANSPARENT);
2157 ExtTextOutW(hdc, x - 1,
2158 y - font_height * (lattr ==
2159 LATTR_BOT) + text_adjust,
2160 ETO_CLIPPED, &line_box, uni_buf, nlen, 0);
2161 }
2162 } else if (DIRECT_FONT(attr)) {
2163 ExtTextOut(hdc, x,
2164 y - font_height * (lattr == LATTR_BOT) + text_adjust,
2165 ETO_CLIPPED | ETO_OPAQUE, &line_box, text, len, IpDx);
2166 if (bold_mode == BOLD_SHADOW && (attr & ATTR_BOLD)) {
2167 SetBkMode(hdc, TRANSPARENT);
2168
2169 /* GRR: This draws the character outside it's box and can leave
2170 * 'droppings' even with the clip box! I suppose I could loop it
2171 * one character at a time ... yuk.
2172 *
2173 * Or ... I could do a test print with "W", and use +1 or -1 for this
2174 * shift depending on if the leftmost column is blank...
2175 */
2176 ExtTextOut(hdc, x - 1,
2177 y - font_height * (lattr ==
2178 LATTR_BOT) + text_adjust,
2179 ETO_CLIPPED, &line_box, text, len, IpDx);
2180 }
2181 } else {
2182 /* And 'normal' unicode characters */
2183 static WCHAR *wbuf = NULL;
2184 static int wlen = 0;
2185 int i;
2186 if (wlen < len) {
2187 sfree(wbuf);
2188 wlen = len;
2189 wbuf = smalloc(wlen * sizeof(WCHAR));
2190 }
2191 for (i = 0; i < len; i++)
2192 wbuf[i] = (WCHAR) ((attr & CSET_MASK) + (text[i] & CHAR_MASK));
2193
2194 ExtTextOutW(hdc, x,
2195 y - font_height * (lattr == LATTR_BOT) + text_adjust,
2196 ETO_CLIPPED | ETO_OPAQUE, &line_box, wbuf, len, IpDx);
2197
2198 /* And the shadow bold hack. */
2199 if (bold_mode == BOLD_SHADOW) {
2200 SetBkMode(hdc, TRANSPARENT);
2201 ExtTextOutW(hdc, x - 1,
2202 y - font_height * (lattr ==
2203 LATTR_BOT) + text_adjust,
2204 ETO_CLIPPED, &line_box, wbuf, len, IpDx);
2205 }
2206 }
2207 if (lattr != LATTR_TOP && (force_manual_underline ||
2208 (und_mode == UND_LINE
2209 && (attr & ATTR_UNDER)))) {
2210 HPEN oldpen;
2211 int dec = descent;
2212 if (lattr == LATTR_BOT)
2213 dec = dec * 2 - font_height;
2214
2215 oldpen = SelectObject(hdc, CreatePen(PS_SOLID, 0, fg));
2216 MoveToEx(hdc, x, y + dec, NULL);
2217 LineTo(hdc, x + len * char_width, y + dec);
2218 oldpen = SelectObject(hdc, oldpen);
2219 DeleteObject(oldpen);
2220 }
2221 }
2222
2223 void do_cursor(Context ctx, int x, int y, char *text, int len,
2224 unsigned long attr, int lattr)
2225 {
2226
2227 int fnt_width;
2228 int char_width;
2229 HDC hdc = ctx;
2230 int ctype = cfg.cursor_type;
2231
2232 if ((attr & TATTR_ACTCURS) && (ctype == 0 || big_cursor)) {
2233 if (((attr & CSET_MASK) | (unsigned char) *text) != UCSWIDE) {
2234 do_text(ctx, x, y, text, len, attr, lattr);
2235 return;
2236 }
2237 ctype = 2;
2238 attr |= TATTR_RIGHTCURS;
2239 }
2240
2241 fnt_width = char_width = font_width * (1 + (lattr != LATTR_NORM));
2242 if (attr & ATTR_WIDE)
2243 char_width *= 2;
2244 x *= fnt_width;
2245 y *= font_height;
2246
2247 if ((attr & TATTR_PASCURS) && (ctype == 0 || big_cursor)) {
2248 POINT pts[5];
2249 HPEN oldpen;
2250 pts[0].x = pts[1].x = pts[4].x = x;
2251 pts[2].x = pts[3].x = x + char_width - 1;
2252 pts[0].y = pts[3].y = pts[4].y = y;
2253 pts[1].y = pts[2].y = y + font_height - 1;
2254 oldpen = SelectObject(hdc, CreatePen(PS_SOLID, 0, colours[23]));
2255 Polyline(hdc, pts, 5);
2256 oldpen = SelectObject(hdc, oldpen);
2257 DeleteObject(oldpen);
2258 } else if ((attr & (TATTR_ACTCURS | TATTR_PASCURS)) && ctype != 0) {
2259 int startx, starty, dx, dy, length, i;
2260 if (ctype == 1) {
2261 startx = x;
2262 starty = y + descent;
2263 dx = 1;
2264 dy = 0;
2265 length = char_width;
2266 } else {
2267 int xadjust = 0;
2268 if (attr & TATTR_RIGHTCURS)
2269 xadjust = char_width - 1;
2270 startx = x + xadjust;
2271 starty = y;
2272 dx = 0;
2273 dy = 1;
2274 length = font_height;
2275 }
2276 if (attr & TATTR_ACTCURS) {
2277 HPEN oldpen;
2278 oldpen =
2279 SelectObject(hdc, CreatePen(PS_SOLID, 0, colours[23]));
2280 MoveToEx(hdc, startx, starty, NULL);
2281 LineTo(hdc, startx + dx * length, starty + dy * length);
2282 oldpen = SelectObject(hdc, oldpen);
2283 DeleteObject(oldpen);
2284 } else {
2285 for (i = 0; i < length; i++) {
2286 if (i % 2 == 0) {
2287 SetPixel(hdc, startx, starty, colours[23]);
2288 }
2289 startx += dx;
2290 starty += dy;
2291 }
2292 }
2293 }
2294 }
2295
2296 /*
2297 * Translate a WM_(SYS)?KEY(UP|DOWN) message into a string of ASCII
2298 * codes. Returns number of bytes used or zero to drop the message
2299 * or -1 to forward the message to windows.
2300 */
2301 static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
2302 unsigned char *output)
2303 {
2304 BYTE keystate[256];
2305 int scan, left_alt = 0, key_down, shift_state;
2306 int r, i, code;
2307 unsigned char *p = output;
2308 static int alt_sum = 0;
2309
2310 HKL kbd_layout = GetKeyboardLayout(0);
2311
2312 static WORD keys[3];
2313 static int compose_char = 0;
2314 static WPARAM compose_key = 0;
2315
2316 r = GetKeyboardState(keystate);
2317 if (!r)
2318 memset(keystate, 0, sizeof(keystate));
2319 else {
2320 #if 0
2321 #define SHOW_TOASCII_RESULT
2322 { /* Tell us all about key events */
2323 static BYTE oldstate[256];
2324 static int first = 1;
2325 static int scan;
2326 int ch;
2327 if (first)
2328 memcpy(oldstate, keystate, sizeof(oldstate));
2329 first = 0;
2330
2331 if ((HIWORD(lParam) & (KF_UP | KF_REPEAT)) == KF_REPEAT) {
2332 debug(("+"));
2333 } else if ((HIWORD(lParam) & KF_UP)
2334 && scan == (HIWORD(lParam) & 0xFF)) {
2335 debug((". U"));
2336 } else {
2337 debug((".\n"));
2338 if (wParam >= VK_F1 && wParam <= VK_F20)
2339 debug(("K_F%d", wParam + 1 - VK_F1));
2340 else
2341 switch (wParam) {
2342 case VK_SHIFT:
2343 debug(("SHIFT"));
2344 break;
2345 case VK_CONTROL:
2346 debug(("CTRL"));
2347 break;
2348 case VK_MENU:
2349 debug(("ALT"));
2350 break;
2351 default:
2352 debug(("VK_%02x", wParam));
2353 }
2354 if (message == WM_SYSKEYDOWN || message == WM_SYSKEYUP)
2355 debug(("*"));
2356 debug((", S%02x", scan = (HIWORD(lParam) & 0xFF)));
2357
2358 ch = MapVirtualKeyEx(wParam, 2, kbd_layout);
2359 if (ch >= ' ' && ch <= '~')
2360 debug((", '%c'", ch));
2361 else if (ch)
2362 debug((", $%02x", ch));
2363
2364 if (keys[0])
2365 debug((", KB0=%02x", keys[0]));
2366 if (keys[1])
2367 debug((", KB1=%02x", keys[1]));
2368 if (keys[2])
2369 debug((", KB2=%02x", keys[2]));
2370
2371 if ((keystate[VK_SHIFT] & 0x80) != 0)
2372 debug((", S"));
2373 if ((keystate[VK_CONTROL] & 0x80) != 0)
2374 debug((", C"));
2375 if ((HIWORD(lParam) & KF_EXTENDED))
2376 debug((", E"));
2377 if ((HIWORD(lParam) & KF_UP))
2378 debug((", U"));
2379 }
2380
2381 if ((HIWORD(lParam) & (KF_UP | KF_REPEAT)) == KF_REPEAT);
2382 else if ((HIWORD(lParam) & KF_UP))
2383 oldstate[wParam & 0xFF] ^= 0x80;
2384 else
2385 oldstate[wParam & 0xFF] ^= 0x81;
2386
2387 for (ch = 0; ch < 256; ch++)
2388 if (oldstate[ch] != keystate[ch])
2389 debug((", M%02x=%02x", ch, keystate[ch]));
2390
2391 memcpy(oldstate, keystate, sizeof(oldstate));
2392 }
2393 #endif
2394
2395 if (wParam == VK_MENU && (HIWORD(lParam) & KF_EXTENDED)) {
2396 keystate[VK_RMENU] = keystate[VK_MENU];
2397 }
2398
2399
2400 /* Nastyness with NUMLock - Shift-NUMLock is left alone though */
2401 if ((cfg.funky_type == 3 ||
2402 (cfg.funky_type <= 1 && app_keypad_keys && !cfg.no_applic_k))
2403 && wParam == VK_NUMLOCK && !(keystate[VK_SHIFT] & 0x80)) {
2404
2405 wParam = VK_EXECUTE;
2406
2407 /* UnToggle NUMLock */
2408 if ((HIWORD(lParam) & (KF_UP | KF_REPEAT)) == 0)
2409 keystate[VK_NUMLOCK] ^= 1;
2410 }
2411
2412 /* And write back the 'adjusted' state */
2413 SetKeyboardState(keystate);
2414 }
2415
2416 /* Disable Auto repeat if required */
2417 if (repeat_off && (HIWORD(lParam) & (KF_UP | KF_REPEAT)) == KF_REPEAT)
2418 return 0;
2419
2420 if ((HIWORD(lParam) & KF_ALTDOWN) && (keystate[VK_RMENU] & 0x80) == 0)
2421 left_alt = 1;
2422
2423 key_down = ((HIWORD(lParam) & KF_UP) == 0);
2424
2425 /* Make sure Ctrl-ALT is not the same as AltGr for ToAscii unless told. */
2426 if (left_alt && (keystate[VK_CONTROL] & 0x80)) {
2427 if (cfg.ctrlaltkeys)
2428 keystate[VK_MENU] = 0;
2429 else {
2430 keystate[VK_RMENU] = 0x80;
2431 left_alt = 0;
2432 }
2433 }
2434
2435 scan = (HIWORD(lParam) & (KF_UP | KF_EXTENDED | 0xFF));
2436 shift_state = ((keystate[VK_SHIFT] & 0x80) != 0)
2437 + ((keystate[VK_CONTROL] & 0x80) != 0) * 2;
2438
2439 /* Note if AltGr was pressed and if it was used as a compose key */
2440 if (!compose_state) {
2441 compose_key = 0x100;
2442 if (cfg.compose_key) {
2443 if (wParam == VK_MENU && (HIWORD(lParam) & KF_EXTENDED))
2444 compose_key = wParam;
2445 }
2446 if (wParam == VK_APPS)
2447 compose_key = wParam;
2448 }
2449
2450 if (wParam == compose_key) {
2451 if (compose_state == 0
2452 && (HIWORD(lParam) & (KF_UP | KF_REPEAT)) == 0) compose_state =
2453 1;
2454 else if (compose_state == 1 && (HIWORD(lParam) & KF_UP))
2455 compose_state = 2;
2456 else
2457 compose_state = 0;
2458 } else if (compose_state == 1 && wParam != VK_CONTROL)
2459 compose_state = 0;
2460
2461 /*
2462 * Record that we pressed key so the scroll window can be reset, but
2463 * be careful to avoid Shift-UP/Down
2464 */
2465 if (wParam != VK_SHIFT && wParam != VK_PRIOR && wParam != VK_NEXT) {
2466 seen_key_event = 1;
2467 }
2468
2469 /* Make sure we're not pasting */
2470 if (key_down)
2471 term_nopaste();
2472
2473 if (compose_state > 1 && left_alt)
2474 compose_state = 0;
2475
2476 /* Sanitize the number pad if not using a PC NumPad */
2477 if (left_alt || (app_keypad_keys && !cfg.no_applic_k
2478 && cfg.funky_type != 2)
2479 || cfg.funky_type == 3 || cfg.nethack_keypad || compose_state) {
2480 if ((HIWORD(lParam) & KF_EXTENDED) == 0) {
2481 int nParam = 0;
2482 switch (wParam) {
2483 case VK_INSERT:
2484 nParam = VK_NUMPAD0;
2485 break;
2486 case VK_END:
2487 nParam = VK_NUMPAD1;
2488 break;
2489 case VK_DOWN:
2490 nParam = VK_NUMPAD2;
2491 break;
2492 case VK_NEXT:
2493 nParam = VK_NUMPAD3;
2494 break;
2495 case VK_LEFT:
2496 nParam = VK_NUMPAD4;
2497 break;
2498 case VK_CLEAR:
2499 nParam = VK_NUMPAD5;
2500 break;
2501 case VK_RIGHT:
2502 nParam = VK_NUMPAD6;
2503 break;
2504 case VK_HOME:
2505 nParam = VK_NUMPAD7;
2506 break;
2507 case VK_UP:
2508 nParam = VK_NUMPAD8;
2509 break;
2510 case VK_PRIOR:
2511 nParam = VK_NUMPAD9;
2512 break;
2513 case VK_DELETE:
2514 nParam = VK_DECIMAL;
2515 break;
2516 }
2517 if (nParam) {
2518 if (keystate[VK_NUMLOCK] & 1)
2519 shift_state |= 1;
2520 wParam = nParam;
2521 }
2522 }
2523 }
2524
2525 /* If a key is pressed and AltGr is not active */
2526 if (key_down && (keystate[VK_RMENU] & 0x80) == 0 && !compose_state) {
2527 /* Okay, prepare for most alts then ... */
2528 if (left_alt)
2529 *p++ = '\033';
2530
2531 /* Lets see if it's a pattern we know all about ... */
2532 if (wParam == VK_PRIOR && shift_state == 1) {
2533 SendMessage(hwnd, WM_VSCROLL, SB_PAGEUP, 0);
2534 return 0;
2535 }
2536 if (wParam == VK_NEXT && shift_state == 1) {
2537 SendMessage(hwnd, WM_VSCROLL, SB_PAGEDOWN, 0);
2538 return 0;
2539 }
2540 if (wParam == VK_INSERT && shift_state == 1) {
2541 term_do_paste();
2542 return 0;
2543 }
2544 if (left_alt && wParam == VK_F4 && cfg.alt_f4) {
2545 return -1;
2546 }
2547 if (left_alt && wParam == VK_SPACE && cfg.alt_space) {
2548 SendMessage(hwnd, WM_SYSCOMMAND, SC_KEYMENU, 0);
2549 return -1;
2550 }
2551 /* Control-Numlock for app-keypad mode switch */
2552 if (wParam == VK_PAUSE && shift_state == 2) {
2553 app_keypad_keys ^= 1;
2554 return 0;
2555 }
2556
2557 /* Nethack keypad */
2558 if (cfg.nethack_keypad && !left_alt) {
2559 switch (wParam) {
2560 case VK_NUMPAD1:
2561 *p++ = shift_state ? 'B' : 'b';
2562 return p - output;
2563 case VK_NUMPAD2:
2564 *p++ = shift_state ? 'J' : 'j';
2565 return p - output;
2566 case VK_NUMPAD3:
2567 *p++ = shift_state ? 'N' : 'n';
2568 return p - output;
2569 case VK_NUMPAD4:
2570 *p++ = shift_state ? 'H' : 'h';
2571 return p - output;
2572 case VK_NUMPAD5:
2573 *p++ = shift_state ? '.' : '.';
2574 return p - output;
2575 case VK_NUMPAD6:
2576 *p++ = shift_state ? 'L' : 'l';
2577 return p - output;
2578 case VK_NUMPAD7:
2579 *p++ = shift_state ? 'Y' : 'y';
2580 return p - output;
2581 case VK_NUMPAD8:
2582 *p++ = shift_state ? 'K' : 'k';
2583 return p - output;
2584 case VK_NUMPAD9:
2585 *p++ = shift_state ? 'U' : 'u';
2586 return p - output;
2587 }
2588 }
2589
2590 /* Application Keypad */
2591 if (!left_alt) {
2592 int xkey = 0;
2593
2594 if (cfg.funky_type == 3 ||
2595 (cfg.funky_type <= 1 &&
2596 app_keypad_keys && !cfg.no_applic_k)) switch (wParam) {
2597 case VK_EXECUTE:
2598 xkey = 'P';
2599 break;
2600 case VK_DIVIDE:
2601 xkey = 'Q';
2602 break;
2603 case VK_MULTIPLY:
2604 xkey = 'R';
2605 break;
2606 case VK_SUBTRACT:
2607 xkey = 'S';
2608 break;
2609 }
2610 if (app_keypad_keys && !cfg.no_applic_k)
2611 switch (wParam) {
2612 case VK_NUMPAD0:
2613 xkey = 'p';
2614 break;
2615 case VK_NUMPAD1:
2616 xkey = 'q';
2617 break;
2618 case VK_NUMPAD2:
2619 xkey = 'r';
2620 break;
2621 case VK_NUMPAD3:
2622 xkey = 's';
2623 break;
2624 case VK_NUMPAD4:
2625 xkey = 't';
2626 break;
2627 case VK_NUMPAD5:
2628 xkey = 'u';
2629 break;
2630 case VK_NUMPAD6:
2631 xkey = 'v';
2632 break;
2633 case VK_NUMPAD7:
2634 xkey = 'w';
2635 break;
2636 case VK_NUMPAD8:
2637 xkey = 'x';
2638 break;
2639 case VK_NUMPAD9:
2640 xkey = 'y';
2641 break;
2642
2643 case VK_DECIMAL:
2644 xkey = 'n';
2645 break;
2646 case VK_ADD:
2647 if (cfg.funky_type == 2) {
2648 if (shift_state)
2649 xkey = 'l';
2650 else
2651 xkey = 'k';
2652 } else if (shift_state)
2653 xkey = 'm';
2654 else
2655 xkey = 'l';
2656 break;
2657
2658 case VK_DIVIDE:
2659 if (cfg.funky_type == 2)
2660 xkey = 'o';
2661 break;
2662 case VK_MULTIPLY:
2663 if (cfg.funky_type == 2)
2664 xkey = 'j';
2665 break;
2666 case VK_SUBTRACT:
2667 if (cfg.funky_type == 2)
2668 xkey = 'm';
2669 break;
2670
2671 case VK_RETURN:
2672 if (HIWORD(lParam) & KF_EXTENDED)
2673 xkey = 'M';
2674 break;
2675 }
2676 if (xkey) {
2677 if (vt52_mode) {
2678 if (xkey >= 'P' && xkey <= 'S')
2679 p += sprintf((char *) p, "\x1B%c", xkey);
2680 else
2681 p += sprintf((char *) p, "\x1B?%c", xkey);
2682 } else
2683 p += sprintf((char *) p, "\x1BO%c", xkey);
2684 return p - output;
2685 }
2686 }
2687
2688 if (wParam == VK_BACK && shift_state == 0) { /* Backspace */
2689 *p++ = (cfg.bksp_is_delete ? 0x7F : 0x08);
2690 *p++ = 0;
2691 return -2;
2692 }
2693 if (wParam == VK_TAB && shift_state == 1) { /* Shift tab */
2694 *p++ = 0x1B;
2695 *p++ = '[';
2696 *p++ = 'Z';
2697 return p - output;
2698 }
2699 if (wParam == VK_SPACE && shift_state == 2) { /* Ctrl-Space */
2700 *p++ = 0;
2701 return p - output;
2702 }
2703 if (wParam == VK_SPACE && shift_state == 3) { /* Ctrl-Shift-Space */
2704 *p++ = 160;
2705 return p - output;
2706 }
2707 if (wParam == VK_CANCEL && shift_state == 2) { /* Ctrl-Break */
2708 *p++ = 3;
2709 *p++ = 0;
2710 return -2;
2711 }
2712 if (wParam == VK_PAUSE) { /* Break/Pause */
2713 *p++ = 26;
2714 *p++ = 0;
2715 return -2;
2716 }
2717 /* Control-2 to Control-8 are special */
2718 if (shift_state == 2 && wParam >= '2' && wParam <= '8') {
2719 *p++ = "\000\033\034\035\036\037\177"[wParam - '2'];
2720 return p - output;
2721 }
2722 if (shift_state == 2 && wParam == 0xBD) {
2723 *p++ = 0x1F;
2724 return p - output;
2725 }
2726 if (shift_state == 2 && wParam == 0xDF) {
2727 *p++ = 0x1C;
2728 return p - output;
2729 }
2730 if (shift_state == 0 && wParam == VK_RETURN && cr_lf_return) {
2731 *p++ = '\r';
2732 *p++ = '\n';
2733 return p - output;
2734 }
2735
2736 /*
2737 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
2738 * for integer decimal nn.)
2739 *
2740 * We also deal with the weird ones here. Linux VCs replace F1
2741 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
2742 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
2743 * respectively.
2744 */
2745 code = 0;
2746 switch (wParam) {
2747 case VK_F1:
2748 code = (keystate[VK_SHIFT] & 0x80 ? 23 : 11);
2749 break;
2750 case VK_F2:
2751 code = (keystate[VK_SHIFT] & 0x80 ? 24 : 12);
2752 break;
2753 case VK_F3:
2754 code = (keystate[VK_SHIFT] & 0x80 ? 25 : 13);
2755 break;
2756 case VK_F4:
2757 code = (keystate[VK_SHIFT] & 0x80 ? 26 : 14);
2758 break;
2759 case VK_F5:
2760 code = (keystate[VK_SHIFT] & 0x80 ? 28 : 15);
2761 break;
2762 case VK_F6:
2763 code = (keystate[VK_SHIFT] & 0x80 ? 29 : 17);
2764 break;
2765 case VK_F7:
2766 code = (keystate[VK_SHIFT] & 0x80 ? 31 : 18);
2767 break;
2768 case VK_F8:
2769 code = (keystate[VK_SHIFT] & 0x80 ? 32 : 19);
2770 break;
2771 case VK_F9:
2772 code = (keystate[VK_SHIFT] & 0x80 ? 33 : 20);
2773 break;
2774 case VK_F10:
2775 code = (keystate[VK_SHIFT] & 0x80 ? 34 : 21);
2776 break;
2777 case VK_F11:
2778 code = 23;
2779 break;
2780 case VK_F12:
2781 code = 24;
2782 break;
2783 case VK_F13:
2784 code = 25;
2785 break;
2786 case VK_F14:
2787 code = 26;
2788 break;
2789 case VK_F15:
2790 code = 28;
2791 break;
2792 case VK_F16:
2793 code = 29;
2794 break;
2795 case VK_F17:
2796 code = 31;
2797 break;
2798 case VK_F18:
2799 code = 32;
2800 break;
2801 case VK_F19:
2802 code = 33;
2803 break;
2804 case VK_F20:
2805 code = 34;
2806 break;
2807 }
2808 if ((shift_state&2) == 0) switch (wParam) {
2809 case VK_HOME:
2810 code = 1;
2811 break;
2812 case VK_INSERT:
2813 code = 2;
2814 break;
2815 case VK_DELETE:
2816 code = 3;
2817 break;
2818 case VK_END:
2819 code = 4;
2820 break;
2821 case VK_PRIOR:
2822 code = 5;
2823 break;
2824 case VK_NEXT:
2825 code = 6;
2826 break;
2827 }
2828 /* Reorder edit keys to physical order */
2829 if (cfg.funky_type == 3 && code <= 6)
2830 code = "\0\2\1\4\5\3\6"[code];
2831
2832 if (vt52_mode && code > 0 && code <= 6) {
2833 p += sprintf((char *) p, "\x1B%c", " HLMEIG"[code]);
2834 return p - output;
2835 }
2836
2837 if (cfg.funky_type == 5 && /* SCO function keys */
2838 code >= 11 && code <= 34) {
2839 char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
2840 int index = 0;
2841 switch (wParam) {
2842 case VK_F1: index = 0; break;
2843 case VK_F2: index = 1; break;
2844 case VK_F3: index = 2; break;
2845 case VK_F4: index = 3; break;
2846 case VK_F5: index = 4; break;
2847 case VK_F6: index = 5; break;
2848 case VK_F7: index = 6; break;
2849 case VK_F8: index = 7; break;
2850 case VK_F9: index = 8; break;
2851 case VK_F10: index = 9; break;
2852 case VK_F11: index = 10; break;
2853 case VK_F12: index = 11; break;
2854 }
2855 if (keystate[VK_SHIFT] & 0x80) index += 12;
2856 if (keystate[VK_CONTROL] & 0x80) index += 24;
2857 p += sprintf((char *) p, "\x1B[%c", codes[index]);
2858 return p - output;
2859 }
2860 if (cfg.funky_type == 5 && /* SCO small keypad */
2861 code >= 1 && code <= 6) {
2862 char codes[] = "HL.FIG";
2863 if (code == 3) {
2864 *p++ = '\x7F';
2865 } else {
2866 p += sprintf((char *) p, "\x1B[%c", codes[code-1]);
2867 }
2868 return p - output;
2869 }
2870 if ((vt52_mode || cfg.funky_type == 4) && code >= 11 && code <= 24) {
2871 int offt = 0;
2872 if (code > 15)
2873 offt++;
2874 if (code > 21)
2875 offt++;
2876 if (vt52_mode)
2877 p += sprintf((char *) p, "\x1B%c", code + 'P' - 11 - offt);
2878 else
2879 p +=
2880 sprintf((char *) p, "\x1BO%c", code + 'P' - 11 - offt);
2881 return p - output;
2882 }
2883 if (cfg.funky_type == 1 && code >= 11 && code <= 15) {
2884 p += sprintf((char *) p, "\x1B[[%c", code + 'A' - 11);
2885 return p - output;
2886 }
2887 if (cfg.funky_type == 2 && code >= 11 && code <= 14) {
2888 if (vt52_mode)
2889 p += sprintf((char *) p, "\x1B%c", code + 'P' - 11);
2890 else
2891 p += sprintf((char *) p, "\x1BO%c", code + 'P' - 11);
2892 return p - output;
2893 }
2894 if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
2895 p += sprintf((char *) p, code == 1 ? "\x1B[H" : "\x1BOw");
2896 return p - output;
2897 }
2898 if (code) {
2899 p += sprintf((char *) p, "\x1B[%d~", code);
2900 return p - output;
2901 }
2902
2903 /*
2904 * Now the remaining keys (arrows and Keypad 5. Keypad 5 for
2905 * some reason seems to send VK_CLEAR to Windows...).
2906 */
2907 {
2908 char xkey = 0;
2909 switch (wParam) {
2910 case VK_UP:
2911 xkey = 'A';
2912 break;
2913 case VK_DOWN:
2914 xkey = 'B';
2915 break;
2916 case VK_RIGHT:
2917 xkey = 'C';
2918 break;
2919 case VK_LEFT:
2920 xkey = 'D';
2921 break;
2922 case VK_CLEAR:
2923 xkey = 'G';
2924 break;
2925 }
2926 if (xkey) {
2927 if (vt52_mode)
2928 p += sprintf((char *) p, "\x1B%c", xkey);
2929 else {
2930 int app_flg = (app_cursor_keys && !cfg.no_applic_c);
2931 /* VT100 & VT102 manuals both state the app cursor keys
2932 * only work if the app keypad is on.
2933 */
2934 if (!app_keypad_keys)
2935 app_flg = 0;
2936 /* Useful mapping of Ctrl-arrows */
2937 if (shift_state == 2)
2938 app_flg = !app_flg;
2939
2940 if (app_flg)
2941 p += sprintf((char *) p, "\x1BO%c", xkey);
2942 else
2943 p += sprintf((char *) p, "\x1B[%c", xkey);
2944 }
2945 return p - output;
2946 }
2947 }
2948
2949 /*
2950 * Finally, deal with Return ourselves. (Win95 seems to
2951 * foul it up when Alt is pressed, for some reason.)
2952 */
2953 if (wParam == VK_RETURN) { /* Return */
2954 *p++ = 0x0D;
2955 *p++ = 0;
2956 return -2;
2957 }
2958
2959 if (left_alt && wParam >= VK_NUMPAD0 && wParam <= VK_NUMPAD9)
2960 alt_sum = alt_sum * 10 + wParam - VK_NUMPAD0;
2961 else
2962 alt_sum = 0;
2963 }
2964
2965 /* Okay we've done everything interesting; let windows deal with
2966 * the boring stuff */
2967 {
2968 r = ToAsciiEx(wParam, scan, keystate, keys, 0, kbd_layout);
2969 #ifdef SHOW_TOASCII_RESULT
2970 if (r == 1 && !key_down) {
2971 if (alt_sum) {
2972 if (in_utf || dbcs_screenfont)
2973 debug((", (U+%04x)", alt_sum));
2974 else
2975 debug((", LCH(%d)", alt_sum));
2976 } else {
2977 debug((", ACH(%d)", keys[0]));
2978 }
2979 } else if (r > 0) {
2980 int r1;
2981 debug((", ASC("));
2982 for (r1 = 0; r1 < r; r1++) {
2983 debug(("%s%d", r1 ? "," : "", keys[r1]));
2984 }
2985 debug((")"));
2986 }
2987 #endif
2988 if (r > 0) {
2989 WCHAR keybuf;
2990 p = output;
2991 for (i = 0; i < r; i++) {
2992 unsigned char ch = (unsigned char) keys[i];
2993
2994 if (compose_state == 2 && (ch & 0x80) == 0 && ch > ' ') {
2995 compose_char = ch;
2996 compose_state++;
2997 continue;
2998 }
2999 if (compose_state == 3 && (ch & 0x80) == 0 && ch > ' ') {
3000 int nc;
3001 compose_state = 0;
3002
3003 if ((nc = check_compose(compose_char, ch)) == -1) {
3004 MessageBeep(MB_ICONHAND);
3005 return 0;
3006 }
3007 keybuf = nc;
3008 luni_send(&keybuf, 1);
3009 continue;
3010 }
3011
3012 compose_state = 0;
3013
3014 if (!key_down) {
3015 if (alt_sum) {
3016 if (in_utf || dbcs_screenfont) {
3017 keybuf = alt_sum;
3018 luni_send(&keybuf, 1);
3019 } else {
3020 ch = (char) alt_sum;
3021 /*
3022 * We need not bother about stdin
3023 * backlogs here, because in GUI PuTTY
3024 * we can't do anything about it
3025 * anyway; there's no means of asking
3026 * Windows to hold off on KEYDOWN
3027 * messages. We _have_ to buffer
3028 * everything we're sent.
3029 */
3030 ldisc_send(&ch, 1);
3031 }
3032 alt_sum = 0;
3033 } else
3034 lpage_send(kbd_codepage, &ch, 1);
3035 } else {
3036 static char cbuf[] = "\033 ";
3037 cbuf[1] = ch;
3038 lpage_send(kbd_codepage, cbuf + !left_alt,
3039 1 + !!left_alt);
3040 }
3041 show_mouseptr(0);
3042 }
3043
3044 /* This is so the ALT-Numpad and dead keys work correctly. */
3045 keys[0] = 0;
3046
3047 return p - output;
3048 }
3049 /* If we're definitly not building up an ALT-54321 then clear it */
3050 if (!left_alt)
3051 keys[0] = 0;
3052 /* If we will be using alt_sum fix the 256s */
3053 else if (keys[0] && (in_utf || dbcs_screenfont))
3054 keys[0] = 10;
3055 }
3056
3057 /*
3058 * ALT alone may or may not want to bring up the System menu.
3059 * If it's not meant to, we return 0 on presses or releases of
3060 * ALT, to show that we've swallowed the keystroke. Otherwise
3061 * we return -1, which means Windows will give the keystroke
3062 * its default handling (i.e. bring up the System menu).
3063 */
3064 if (wParam == VK_MENU && !cfg.alt_only)
3065 return 0;
3066
3067 return -1;
3068 }
3069
3070 void set_title(char *title)
3071 {
3072 sfree(window_name);
3073 window_name = smalloc(1 + strlen(title));
3074 strcpy(window_name, title);
3075 if (cfg.win_name_always || !IsIconic(hwnd))
3076 SetWindowText(hwnd, title);
3077 }
3078
3079 void set_icon(char *title)
3080 {
3081 sfree(icon_name);
3082 icon_name = smalloc(1 + strlen(title));
3083 strcpy(icon_name, title);
3084 if (!cfg.win_name_always && IsIconic(hwnd))
3085 SetWindowText(hwnd, title);
3086 }
3087
3088 void set_sbar(int total, int start, int page)
3089 {
3090 SCROLLINFO si;
3091
3092 if (!cfg.scrollbar)
3093 return;
3094
3095 si.cbSize = sizeof(si);
3096 si.fMask = SIF_ALL | SIF_DISABLENOSCROLL;
3097 si.nMin = 0;
3098 si.nMax = total - 1;
3099 si.nPage = page;
3100 si.nPos = start;
3101 if (hwnd)
3102 SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
3103 }
3104
3105 Context get_ctx(void)
3106 {
3107 HDC hdc;
3108 if (hwnd) {
3109 hdc = GetDC(hwnd);
3110 if (hdc && pal)
3111 SelectPalette(hdc, pal, FALSE);
3112 return hdc;
3113 } else
3114 return NULL;
3115 }
3116
3117 void free_ctx(Context ctx)
3118 {
3119 SelectPalette(ctx, GetStockObject(DEFAULT_PALETTE), FALSE);
3120 ReleaseDC(hwnd, ctx);
3121 }
3122
3123 static void real_palette_set(int n, int r, int g, int b)
3124 {
3125 if (pal) {
3126 logpal->palPalEntry[n].peRed = r;
3127 logpal->palPalEntry[n].peGreen = g;
3128 logpal->palPalEntry[n].peBlue = b;
3129 logpal->palPalEntry[n].peFlags = PC_NOCOLLAPSE;
3130 colours[n] = PALETTERGB(r, g, b);
3131 SetPaletteEntries(pal, 0, NCOLOURS, logpal->palPalEntry);
3132 } else
3133 colours[n] = RGB(r, g, b);
3134 }
3135
3136 void palette_set(int n, int r, int g, int b)
3137 {
3138 static const int first[21] = {
3139 0, 2, 4, 6, 8, 10, 12, 14,
3140 1, 3, 5, 7, 9, 11, 13, 15,
3141 16, 17, 18, 20, 22
3142 };
3143 real_palette_set(first[n], r, g, b);
3144 if (first[n] >= 18)
3145 real_palette_set(first[n] + 1, r, g, b);
3146 if (pal) {
3147 HDC hdc = get_ctx();
3148 UnrealizeObject(pal);
3149 RealizePalette(hdc);
3150 free_ctx(hdc);
3151 }
3152 }
3153
3154 void palette_reset(void)
3155 {
3156 int i;
3157
3158 for (i = 0; i < NCOLOURS; i++) {
3159 if (pal) {
3160 logpal->palPalEntry[i].peRed = defpal[i].rgbtRed;
3161 logpal->palPalEntry[i].peGreen = defpal[i].rgbtGreen;
3162 logpal->palPalEntry[i].peBlue = defpal[i].rgbtBlue;
3163 logpal->palPalEntry[i].peFlags = 0;
3164 colours[i] = PALETTERGB(defpal[i].rgbtRed,
3165 defpal[i].rgbtGreen,
3166 defpal[i].rgbtBlue);
3167 } else
3168 colours[i] = RGB(defpal[i].rgbtRed,
3169 defpal[i].rgbtGreen, defpal[i].rgbtBlue);
3170 }
3171
3172 if (pal) {
3173 HDC hdc;
3174 SetPaletteEntries(pal, 0, NCOLOURS, logpal->palPalEntry);
3175 hdc = get_ctx();
3176 RealizePalette(hdc);
3177 free_ctx(hdc);
3178 }
3179 }
3180
3181 void write_aclip(char *data, int len, int must_deselect)
3182 {
3183 HGLOBAL clipdata;
3184 void *lock;
3185
3186 clipdata = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE, len + 1);
3187 if (!clipdata)
3188 return;
3189 lock = GlobalLock(clipdata);
3190 if (!lock)
3191 return;
3192 memcpy(lock, data, len);
3193 ((unsigned char *) lock)[len] = 0;
3194 GlobalUnlock(clipdata);
3195
3196 if (!must_deselect)
3197 SendMessage(hwnd, WM_IGNORE_CLIP, TRUE, 0);
3198
3199 if (OpenClipboard(hwnd)) {
3200 EmptyClipboard();
3201 SetClipboardData(CF_TEXT, clipdata);
3202 CloseClipboard();
3203 } else
3204 GlobalFree(clipdata);
3205
3206 if (!must_deselect)
3207 SendMessage(hwnd, WM_IGNORE_CLIP, FALSE, 0);
3208 }
3209
3210 /*
3211 * Note: unlike write_aclip() this will not append a nul.
3212 */
3213 void write_clip(wchar_t * data, int len, int must_deselect)
3214 {
3215 HGLOBAL clipdata;
3216 HGLOBAL clipdata2;
3217 int len2;
3218 void *lock, *lock2;
3219
3220 len2 = WideCharToMultiByte(CP_ACP, 0, data, len, 0, 0, NULL, NULL);
3221
3222 clipdata = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE,
3223 len * sizeof(wchar_t));
3224 clipdata2 = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE, len2);
3225
3226 if (!clipdata || !clipdata2) {
3227 if (clipdata)
3228 GlobalFree(clipdata);
3229 if (clipdata2)
3230 GlobalFree(clipdata2);
3231 return;
3232 }
3233 if (!(lock = GlobalLock(clipdata)))
3234 return;
3235 if (!(lock2 = GlobalLock(clipdata2)))
3236 return;
3237
3238 memcpy(lock, data, len * sizeof(wchar_t));
3239 WideCharToMultiByte(CP_ACP, 0, data, len, lock2, len2, NULL, NULL);
3240
3241 GlobalUnlock(clipdata);
3242 GlobalUnlock(clipdata2);
3243
3244 if (!must_deselect)
3245 SendMessage(hwnd, WM_IGNORE_CLIP, TRUE, 0);
3246
3247 if (OpenClipboard(hwnd)) {
3248 EmptyClipboard();
3249 SetClipboardData(CF_UNICODETEXT, clipdata);
3250 SetClipboardData(CF_TEXT, clipdata2);
3251 CloseClipboard();
3252 } else {
3253 GlobalFree(clipdata);
3254 GlobalFree(clipdata2);
3255 }
3256
3257 if (!must_deselect)
3258 SendMessage(hwnd, WM_IGNORE_CLIP, FALSE, 0);
3259 }
3260
3261 void get_clip(wchar_t ** p, int *len)
3262 {
3263 static HGLOBAL clipdata = NULL;
3264 static wchar_t *converted = 0;
3265 wchar_t *p2;
3266
3267 if (converted) {
3268 sfree(converted);
3269 converted = 0;
3270 }
3271 if (!p) {
3272 if (clipdata)
3273 GlobalUnlock(clipdata);
3274 clipdata = NULL;
3275 return;
3276 } else if (OpenClipboard(NULL)) {
3277 if ((clipdata = GetClipboardData(CF_UNICODETEXT))) {
3278 CloseClipboard();
3279 *p = GlobalLock(clipdata);
3280 if (*p) {
3281 for (p2 = *p; *p2; p2++);
3282 *len = p2 - *p;
3283 return;
3284 }
3285 } else if ( (clipdata = GetClipboardData(CF_TEXT)) ) {
3286 char *s;
3287 int i;
3288 CloseClipboard();
3289 s = GlobalLock(clipdata);
3290 i = MultiByteToWideChar(CP_ACP, 0, s, strlen(s) + 1, 0, 0);
3291 *p = converted = smalloc(i * sizeof(wchar_t));
3292 MultiByteToWideChar(CP_ACP, 0, s, strlen(s) + 1, converted, i);
3293 *len = i - 1;
3294 return;
3295 } else
3296 CloseClipboard();
3297 }
3298
3299 *p = NULL;
3300 *len = 0;
3301 }
3302
3303 #if 0
3304 /*
3305 * Move `lines' lines from position `from' to position `to' in the
3306 * window.
3307 */
3308 void optimised_move(int to, int from, int lines)
3309 {
3310 RECT r;
3311 int min, max;
3312
3313 min = (to < from ? to : from);
3314 max = to + from - min;
3315
3316 r.left = 0;
3317 r.right = cols * font_width;
3318 r.top = min * font_height;
3319 r.bottom = (max + lines) * font_height;
3320 ScrollWindow(hwnd, 0, (to - from) * font_height, &r, &r);
3321 }
3322 #endif
3323
3324 /*
3325 * Print a message box and perform a fatal exit.
3326 */
3327 void fatalbox(char *fmt, ...)
3328 {
3329 va_list ap;
3330 char stuff[200];
3331
3332 va_start(ap, fmt);
3333 vsprintf(stuff, fmt, ap);
3334 va_end(ap);
3335 MessageBox(hwnd, stuff, "PuTTY Fatal Error", MB_ICONERROR | MB_OK);
3336 exit(1);
3337 }
3338
3339 /*
3340 * Manage window caption / taskbar flashing, if enabled.
3341 * 0 = stop, 1 = maintain, 2 = start
3342 */
3343 static void flash_window(int mode)
3344 {
3345 static long last_flash = 0;
3346 static int flashing = 0;
3347 if ((mode == 0) || (cfg.beep_ind == B_IND_DISABLED)) {
3348 /* stop */
3349 if (flashing) {
3350 FlashWindow(hwnd, FALSE);
3351 flashing = 0;
3352 }
3353
3354 } else if (mode == 2) {
3355 /* start */
3356 if (!flashing) {
3357 last_flash = GetTickCount();
3358 flashing = 1;
3359 FlashWindow(hwnd, TRUE);
3360 }
3361
3362 } else if ((mode == 1) && (cfg.beep_ind == B_IND_FLASH)) {
3363 /* maintain */
3364 if (flashing) {
3365 long now = GetTickCount();
3366 long fdiff = now - last_flash;
3367 if (fdiff < 0 || fdiff > 450) {
3368 last_flash = now;
3369 FlashWindow(hwnd, TRUE); /* toggle */
3370 }
3371 }
3372 }
3373 }
3374
3375 /*
3376 * Beep.
3377 */
3378 void beep(int mode)
3379 {
3380 if (mode == BELL_DEFAULT) {
3381 /*
3382 * For MessageBeep style bells, we want to be careful of
3383 * timing, because they don't have the nice property of
3384 * PlaySound bells that each one cancels the previous
3385 * active one. So we limit the rate to one per 50ms or so.
3386 */
3387 static long lastbeep = 0;
3388 long beepdiff;
3389
3390 beepdiff = GetTickCount() - lastbeep;
3391 if (beepdiff >= 0 && beepdiff < 50)
3392 return;
3393 MessageBeep(MB_OK);
3394 /*
3395 * The above MessageBeep call takes time, so we record the
3396 * time _after_ it finishes rather than before it starts.
3397 */
3398 lastbeep = GetTickCount();
3399 } else if (mode == BELL_WAVEFILE) {
3400 if (!PlaySound(cfg.bell_wavefile, NULL, SND_ASYNC | SND_FILENAME)) {
3401 char buf[sizeof(cfg.bell_wavefile) + 80];
3402 sprintf(buf, "Unable to play sound file\n%s\n"
3403 "Using default sound instead", cfg.bell_wavefile);
3404 MessageBox(hwnd, buf, "PuTTY Sound Error",
3405 MB_OK | MB_ICONEXCLAMATION);
3406 cfg.beep = BELL_DEFAULT;
3407 }
3408 }
3409 /* Otherwise, either visual bell or disabled; do nothing here */
3410 if (!has_focus) {
3411 flash_window(2); /* start */
3412 }
3413 }
Local modifications for Simon Tatham's `PuTTY' SSH client and terminal emulator