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


15ad7b3c263af8172e1b3dfb5e4796599753a3db
[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) {
1133 term_mouse(b, MA_CLICK, x, y, shift, ctrl);
1134 return;
1135 }
1136
1137 if (lastbtn == b && thistime - lasttime < dbltime) {
1138 lastact = (lastact == MA_CLICK ? MA_2CLK :
1139 lastact == MA_2CLK ? MA_3CLK :
1140 lastact == MA_3CLK ? MA_CLICK : MA_NOTHING);
1141 } else {
1142 lastbtn = b;
1143 lastact = MA_CLICK;
1144 }
1145 if (lastact != MA_NOTHING)
1146 term_mouse(b, lastact, x, y, shift, ctrl);
1147 lasttime = thistime;
1148 }
1149
1150 /*
1151 * Translate a raw mouse button designation (LEFT, MIDDLE, RIGHT)
1152 * into a cooked one (SELECT, EXTEND, PASTE).
1153 */
1154 Mouse_Button translate_button(Mouse_Button button)
1155 {
1156 if (button == MBT_LEFT)
1157 return MBT_SELECT;
1158 if (button == MBT_MIDDLE)
1159 return cfg.mouse_is_xterm ? MBT_PASTE : MBT_EXTEND;
1160 if (button == MBT_RIGHT)
1161 return cfg.mouse_is_xterm ? MBT_EXTEND : MBT_PASTE;
1162 return 0; /* shouldn't happen */
1163 }
1164
1165 static void show_mouseptr(int show)
1166 {
1167 static int cursor_visible = 1;
1168 if (!cfg.hide_mouseptr) /* override if this feature disabled */
1169 show = 1;
1170 if (cursor_visible && !show)
1171 ShowCursor(FALSE);
1172 else if (!cursor_visible && show)
1173 ShowCursor(TRUE);
1174 cursor_visible = show;
1175 }
1176
1177 static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
1178 WPARAM wParam, LPARAM lParam)
1179 {
1180 HDC hdc;
1181 static int ignore_size = FALSE;
1182 static int ignore_clip = FALSE;
1183 static int just_reconfigged = FALSE;
1184 static int resizing = FALSE;
1185 static int need_backend_resize = FALSE;
1186 static int defered_resize = FALSE;
1187
1188 switch (message) {
1189 case WM_TIMER:
1190 if (pending_netevent)
1191 enact_pending_netevent();
1192 if (inbuf_head)
1193 term_out();
1194 noise_regular();
1195 HideCaret(hwnd);
1196 term_update();
1197 ShowCaret(hwnd);
1198 if (cfg.ping_interval > 0) {
1199 time_t now;
1200 time(&now);
1201 if (now - last_movement > cfg.ping_interval) {
1202 back->special(TS_PING);
1203 last_movement = now;
1204 }
1205 }
1206 return 0;
1207 case WM_CREATE:
1208 break;
1209 case WM_CLOSE:
1210 show_mouseptr(1);
1211 if (!cfg.warn_on_close || session_closed ||
1212 MessageBox(hwnd,
1213 "Are you sure you want to close this session?",
1214 "PuTTY Exit Confirmation",
1215 MB_ICONWARNING | MB_OKCANCEL) == IDOK)
1216 DestroyWindow(hwnd);
1217 return 0;
1218 case WM_DESTROY:
1219 show_mouseptr(1);
1220 PostQuitMessage(0);
1221 return 0;
1222 case WM_SYSCOMMAND:
1223 switch (wParam & ~0xF) { /* low 4 bits reserved to Windows */
1224 case IDM_SHOWLOG:
1225 showeventlog(hwnd);
1226 break;
1227 case IDM_NEWSESS:
1228 case IDM_DUPSESS:
1229 case IDM_SAVEDSESS:
1230 {
1231 char b[2048];
1232 char c[30], *cl;
1233 int freecl = FALSE;
1234 STARTUPINFO si;
1235 PROCESS_INFORMATION pi;
1236 HANDLE filemap = NULL;
1237
1238 if (wParam == IDM_DUPSESS) {
1239 /*
1240 * Allocate a file-mapping memory chunk for the
1241 * config structure.
1242 */
1243 SECURITY_ATTRIBUTES sa;
1244 Config *p;
1245
1246 sa.nLength = sizeof(sa);
1247 sa.lpSecurityDescriptor = NULL;
1248 sa.bInheritHandle = TRUE;
1249 filemap = CreateFileMapping((HANDLE) 0xFFFFFFFF,
1250 &sa,
1251 PAGE_READWRITE,
1252 0, sizeof(Config), NULL);
1253 if (filemap) {
1254 p = (Config *) MapViewOfFile(filemap,
1255 FILE_MAP_WRITE,
1256 0, 0, sizeof(Config));
1257 if (p) {
1258 *p = cfg; /* structure copy */
1259 UnmapViewOfFile(p);
1260 }
1261 }
1262 sprintf(c, "putty &%p", filemap);
1263 cl = c;
1264 } else if (wParam == IDM_SAVEDSESS) {
1265 char *session =
1266 sessions[(lParam - IDM_SAVED_MIN) / 16];
1267 cl = smalloc(16 + strlen(session)); /* 8, but play safe */
1268 if (!cl)
1269 cl = NULL; /* not a very important failure mode */
1270 else {
1271 sprintf(cl, "putty @%s", session);
1272 freecl = TRUE;
1273 }
1274 } else
1275 cl = NULL;
1276
1277 GetModuleFileName(NULL, b, sizeof(b) - 1);
1278 si.cb = sizeof(si);
1279 si.lpReserved = NULL;
1280 si.lpDesktop = NULL;
1281 si.lpTitle = NULL;
1282 si.dwFlags = 0;
1283 si.cbReserved2 = 0;
1284 si.lpReserved2 = NULL;
1285 CreateProcess(b, cl, NULL, NULL, TRUE,
1286 NORMAL_PRIORITY_CLASS, NULL, NULL, &si, &pi);
1287
1288 if (filemap)
1289 CloseHandle(filemap);
1290 if (freecl)
1291 sfree(cl);
1292 }
1293 break;
1294 case IDM_RECONF:
1295 {
1296 int prev_alwaysontop = cfg.alwaysontop;
1297 int prev_sunken_edge = cfg.sunken_edge;
1298 char oldlogfile[FILENAME_MAX];
1299 int oldlogtype;
1300 int need_setwpos = FALSE;
1301 int old_fwidth, old_fheight;
1302
1303 strcpy(oldlogfile, cfg.logfilename);
1304 oldlogtype = cfg.logtype;
1305 old_fwidth = font_width;
1306 old_fheight = font_height;
1307 GetWindowText(hwnd, cfg.wintitle, sizeof(cfg.wintitle));
1308
1309 if (!do_reconfig(hwnd))
1310 break;
1311
1312 if (strcmp(oldlogfile, cfg.logfilename) ||
1313 oldlogtype != cfg.logtype) {
1314 logfclose(); /* reset logging */
1315 logfopen();
1316 }
1317
1318 just_reconfigged = TRUE;
1319 deinit_fonts();
1320 bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
1321 und_mode = UND_FONT;
1322 init_fonts(0);
1323 sfree(logpal);
1324 /*
1325 * Flush the line discipline's edit buffer in the
1326 * case where local editing has just been disabled.
1327 */
1328 ldisc_send(NULL, 0);
1329 if (pal)
1330 DeleteObject(pal);
1331 logpal = NULL;
1332 pal = NULL;
1333 cfgtopalette();
1334 init_palette();
1335
1336 /* Enable or disable the scroll bar, etc */
1337 {
1338 LONG nflg, flag = GetWindowLong(hwnd, GWL_STYLE);
1339 LONG nexflag, exflag =
1340 GetWindowLong(hwnd, GWL_EXSTYLE);
1341
1342 nexflag = exflag;
1343 if (cfg.alwaysontop != prev_alwaysontop) {
1344 if (cfg.alwaysontop) {
1345 nexflag |= WS_EX_TOPMOST;
1346 SetWindowPos(hwnd, HWND_TOPMOST, 0, 0, 0, 0,
1347 SWP_NOMOVE | SWP_NOSIZE);
1348 } else {
1349 nexflag &= ~(WS_EX_TOPMOST);
1350 SetWindowPos(hwnd, HWND_NOTOPMOST, 0, 0, 0, 0,
1351 SWP_NOMOVE | SWP_NOSIZE);
1352 }
1353 }
1354 if (cfg.sunken_edge)
1355 nexflag |= WS_EX_CLIENTEDGE;
1356 else
1357 nexflag &= ~(WS_EX_CLIENTEDGE);
1358
1359 nflg = flag;
1360 if (cfg.scrollbar)
1361 nflg |= WS_VSCROLL;
1362 else
1363 nflg &= ~WS_VSCROLL;
1364 if (cfg.locksize)
1365 nflg &= ~(WS_THICKFRAME | WS_MAXIMIZEBOX);
1366 else
1367 nflg |= (WS_THICKFRAME | WS_MAXIMIZEBOX);
1368
1369 if (nflg != flag || nexflag != exflag) {
1370 RECT cr, wr;
1371
1372 if (nflg != flag)
1373 SetWindowLong(hwnd, GWL_STYLE, nflg);
1374 if (nexflag != exflag)
1375 SetWindowLong(hwnd, GWL_EXSTYLE, nexflag);
1376
1377 SendMessage(hwnd, WM_IGNORE_SIZE, 0, 0);
1378
1379 SetWindowPos(hwnd, NULL, 0, 0, 0, 0,
1380 SWP_NOACTIVATE | SWP_NOCOPYBITS |
1381 SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER
1382 | SWP_FRAMECHANGED);
1383
1384 GetWindowRect(hwnd, &wr);
1385 GetClientRect(hwnd, &cr);
1386 extra_width =
1387 wr.right - wr.left - cr.right + cr.left;
1388 extra_height =
1389 wr.bottom - wr.top - cr.bottom + cr.top;
1390 need_setwpos = TRUE;
1391 }
1392 }
1393
1394 if (cfg.height != rows ||
1395 cfg.width != cols ||
1396 old_fwidth != font_width ||
1397 old_fheight != font_height ||
1398 cfg.savelines != savelines ||
1399 cfg.sunken_edge != prev_sunken_edge)
1400 need_setwpos = TRUE;
1401
1402 if (IsZoomed(hwnd)) {
1403 int w, h;
1404 RECT cr;
1405 if (need_setwpos)
1406 defered_resize = TRUE;
1407
1408 GetClientRect(hwnd, &cr);
1409 w = cr.right - cr.left;
1410 h = cr.bottom - cr.top;
1411 w = w / font_width;
1412 if (w < 1)
1413 w = 1;
1414 h = h / font_height;
1415 if (h < 1)
1416 h = 1;
1417
1418 term_size(h, w, cfg.savelines);
1419 InvalidateRect(hwnd, NULL, TRUE);
1420 back->size();
1421 } else {
1422 term_size(cfg.height, cfg.width, cfg.savelines);
1423 InvalidateRect(hwnd, NULL, TRUE);
1424 if (need_setwpos) {
1425 SetWindowPos(hwnd, NULL, 0, 0,
1426 extra_width + font_width * cfg.width,
1427 extra_height +
1428 font_height * cfg.height,
1429 SWP_NOACTIVATE | SWP_NOCOPYBITS |
1430 SWP_NOMOVE | SWP_NOZORDER);
1431 }
1432 }
1433 /* Oops */
1434 if (cfg.locksize && IsZoomed(hwnd))
1435 force_normal(hwnd);
1436 set_title(cfg.wintitle);
1437 if (IsIconic(hwnd)) {
1438 SetWindowText(hwnd,
1439 cfg.win_name_always ? window_name :
1440 icon_name);
1441 }
1442 }
1443 break;
1444 case IDM_COPYALL:
1445 term_copyall();
1446 break;
1447 case IDM_CLRSB:
1448 term_clrsb();
1449 break;
1450 case IDM_RESET:
1451 term_pwron();
1452 break;
1453 case IDM_TEL_AYT:
1454 back->special(TS_AYT);
1455 break;
1456 case IDM_TEL_BRK:
1457 back->special(TS_BRK);
1458 break;
1459 case IDM_TEL_SYNCH:
1460 back->special(TS_SYNCH);
1461 break;
1462 case IDM_TEL_EC:
1463 back->special(TS_EC);
1464 break;
1465 case IDM_TEL_EL:
1466 back->special(TS_EL);
1467 break;
1468 case IDM_TEL_GA:
1469 back->special(TS_GA);
1470 break;
1471 case IDM_TEL_NOP:
1472 back->special(TS_NOP);
1473 break;
1474 case IDM_TEL_ABORT:
1475 back->special(TS_ABORT);
1476 break;
1477 case IDM_TEL_AO:
1478 back->special(TS_AO);
1479 break;
1480 case IDM_TEL_IP:
1481 back->special(TS_IP);
1482 break;
1483 case IDM_TEL_SUSP:
1484 back->special(TS_SUSP);
1485 break;
1486 case IDM_TEL_EOR:
1487 back->special(TS_EOR);
1488 break;
1489 case IDM_TEL_EOF:
1490 back->special(TS_EOF);
1491 break;
1492 case IDM_ABOUT:
1493 showabout(hwnd);
1494 break;
1495 default:
1496 if (wParam >= IDM_SAVED_MIN && wParam <= IDM_SAVED_MAX) {
1497 SendMessage(hwnd, WM_SYSCOMMAND, IDM_SAVEDSESS, wParam);
1498 }
1499 }
1500 break;
1501
1502 #define X_POS(l) ((int)(short)LOWORD(l))
1503 #define Y_POS(l) ((int)(short)HIWORD(l))
1504
1505 #define TO_CHR_X(x) (((x)<0 ? (x)-font_width+1 : (x)) / font_width)
1506 #define TO_CHR_Y(y) (((y)<0 ? (y)-font_height+1: (y)) / font_height)
1507 #define WHEEL_DELTA 120
1508 case WM_MOUSEWHEEL:
1509 {
1510 wheel_accumulator += (short) HIWORD(wParam);
1511 wParam = LOWORD(wParam);
1512
1513 /* process events when the threshold is reached */
1514 while (abs(wheel_accumulator) >= WHEEL_DELTA) {
1515 int b;
1516
1517 /* reduce amount for next time */
1518 if (wheel_accumulator > 0) {
1519 b = MBT_WHEEL_UP;
1520 wheel_accumulator -= WHEEL_DELTA;
1521 } else if (wheel_accumulator < 0) {
1522 b = MBT_WHEEL_DOWN;
1523 wheel_accumulator += WHEEL_DELTA;
1524 } else
1525 break;
1526
1527 if (send_raw_mouse) {
1528 /* send a mouse-down followed by a mouse up */
1529 term_mouse(b,
1530 MA_CLICK,
1531 TO_CHR_X(X_POS(lParam)),
1532 TO_CHR_Y(Y_POS(lParam)), wParam & MK_SHIFT,
1533 wParam & MK_CONTROL);
1534 term_mouse(b, MA_RELEASE, TO_CHR_X(X_POS(lParam)),
1535 TO_CHR_Y(Y_POS(lParam)), wParam & MK_SHIFT,
1536 wParam & MK_CONTROL);
1537 } else {
1538 /* trigger a scroll */
1539 term_scroll(0,
1540 b == MBT_WHEEL_UP ? -rows / 2 : rows / 2);
1541 }
1542 }
1543 return 0;
1544 }
1545 case WM_LBUTTONDOWN:
1546 case WM_MBUTTONDOWN:
1547 case WM_RBUTTONDOWN:
1548 case WM_LBUTTONUP:
1549 case WM_MBUTTONUP:
1550 case WM_RBUTTONUP:
1551 {
1552 int button, press;
1553 switch (message) {
1554 case WM_LBUTTONDOWN:
1555 button = MBT_LEFT;
1556 press = 1;
1557 break;
1558 case WM_MBUTTONDOWN:
1559 button = MBT_MIDDLE;
1560 press = 1;
1561 break;
1562 case WM_RBUTTONDOWN:
1563 button = MBT_RIGHT;
1564 press = 1;
1565 break;
1566 case WM_LBUTTONUP:
1567 button = MBT_LEFT;
1568 press = 0;
1569 break;
1570 case WM_MBUTTONUP:
1571 button = MBT_MIDDLE;
1572 press = 0;
1573 break;
1574 case WM_RBUTTONUP:
1575 button = MBT_RIGHT;
1576 press = 0;
1577 break;
1578 default:
1579 button = press = 0; /* shouldn't happen */
1580 }
1581 show_mouseptr(1);
1582 if (press) {
1583 click(button,
1584 TO_CHR_X(X_POS(lParam)), TO_CHR_Y(Y_POS(lParam)),
1585 wParam & MK_SHIFT, wParam & MK_CONTROL);
1586 SetCapture(hwnd);
1587 } else {
1588 term_mouse(button, MA_RELEASE,
1589 TO_CHR_X(X_POS(lParam)),
1590 TO_CHR_Y(Y_POS(lParam)), wParam & MK_SHIFT,
1591 wParam & MK_CONTROL);
1592 ReleaseCapture();
1593 }
1594 }
1595 return 0;
1596 case WM_MOUSEMOVE:
1597 show_mouseptr(1);
1598 /*
1599 * Add the mouse position and message time to the random
1600 * number noise.
1601 */
1602 noise_ultralight(lParam);
1603
1604 if (wParam & (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON)) {
1605 Mouse_Button b;
1606 if (wParam & MK_LBUTTON)
1607 b = MBT_LEFT;
1608 else if (wParam & MK_MBUTTON)
1609 b = MBT_MIDDLE;
1610 else
1611 b = MBT_RIGHT;
1612 term_mouse(b, MA_DRAG, TO_CHR_X(X_POS(lParam)),
1613 TO_CHR_Y(Y_POS(lParam)), wParam & MK_SHIFT,
1614 wParam & MK_CONTROL);
1615 }
1616 return 0;
1617 case WM_NCMOUSEMOVE:
1618 show_mouseptr(1);
1619 noise_ultralight(lParam);
1620 return 0;
1621 case WM_IGNORE_CLIP:
1622 ignore_clip = wParam; /* don't panic on DESTROYCLIPBOARD */
1623 break;
1624 case WM_DESTROYCLIPBOARD:
1625 if (!ignore_clip)
1626 term_deselect();
1627 ignore_clip = FALSE;
1628 return 0;
1629 case WM_PAINT:
1630 {
1631 PAINTSTRUCT p;
1632 HideCaret(hwnd);
1633 hdc = BeginPaint(hwnd, &p);
1634 if (pal) {
1635 SelectPalette(hdc, pal, TRUE);
1636 RealizePalette(hdc);
1637 }
1638 term_paint(hdc, p.rcPaint.left, p.rcPaint.top,
1639 p.rcPaint.right, p.rcPaint.bottom);
1640 SelectObject(hdc, GetStockObject(SYSTEM_FONT));
1641 SelectObject(hdc, GetStockObject(WHITE_PEN));
1642 EndPaint(hwnd, &p);
1643 ShowCaret(hwnd);
1644 }
1645 return 0;
1646 case WM_NETEVENT:
1647 /* Notice we can get multiple netevents, FD_READ, FD_WRITE etc
1648 * but the only one that's likely to try to overload us is FD_READ.
1649 * This means buffering just one is fine.
1650 */
1651 if (pending_netevent)
1652 enact_pending_netevent();
1653
1654 pending_netevent = TRUE;
1655 pend_netevent_wParam = wParam;
1656 pend_netevent_lParam = lParam;
1657 time(&last_movement);
1658 return 0;
1659 case WM_SETFOCUS:
1660 has_focus = TRUE;
1661 CreateCaret(hwnd, caretbm, font_width, font_height);
1662 ShowCaret(hwnd);
1663 flash_window(0); /* stop */
1664 compose_state = 0;
1665 term_out();
1666 term_update();
1667 break;
1668 case WM_KILLFOCUS:
1669 show_mouseptr(1);
1670 has_focus = FALSE;
1671 DestroyCaret();
1672 term_out();
1673 term_update();
1674 break;
1675 case WM_IGNORE_SIZE:
1676 ignore_size = TRUE; /* don't panic on next WM_SIZE msg */
1677 break;
1678 case WM_ENTERSIZEMOVE:
1679 EnableSizeTip(1);
1680 resizing = TRUE;
1681 need_backend_resize = FALSE;
1682 break;
1683 case WM_EXITSIZEMOVE:
1684 EnableSizeTip(0);
1685 resizing = FALSE;
1686 if (need_backend_resize)
1687 back->size();
1688 break;
1689 case WM_SIZING:
1690 {
1691 int width, height, w, h, ew, eh;
1692 LPRECT r = (LPRECT) lParam;
1693
1694 width = r->right - r->left - extra_width;
1695 height = r->bottom - r->top - extra_height;
1696 w = (width + font_width / 2) / font_width;
1697 if (w < 1)
1698 w = 1;
1699 h = (height + font_height / 2) / font_height;
1700 if (h < 1)
1701 h = 1;
1702 UpdateSizeTip(hwnd, w, h);
1703 ew = width - w * font_width;
1704 eh = height - h * font_height;
1705 if (ew != 0) {
1706 if (wParam == WMSZ_LEFT ||
1707 wParam == WMSZ_BOTTOMLEFT || wParam == WMSZ_TOPLEFT)
1708 r->left += ew;
1709 else
1710 r->right -= ew;
1711 }
1712 if (eh != 0) {
1713 if (wParam == WMSZ_TOP ||
1714 wParam == WMSZ_TOPRIGHT || wParam == WMSZ_TOPLEFT)
1715 r->top += eh;
1716 else
1717 r->bottom -= eh;
1718 }
1719 if (ew || eh)
1720 return 1;
1721 else
1722 return 0;
1723 }
1724 /* break; (never reached) */
1725 case WM_SIZE:
1726 if (wParam == SIZE_MINIMIZED) {
1727 SetWindowText(hwnd,
1728 cfg.win_name_always ? window_name : icon_name);
1729 break;
1730 }
1731 if (wParam == SIZE_RESTORED || wParam == SIZE_MAXIMIZED)
1732 SetWindowText(hwnd, window_name);
1733 if (!ignore_size) {
1734 int width, height, w, h;
1735 #if 0 /* we have fixed this using WM_SIZING now */
1736 int ew, eh;
1737 #endif
1738
1739 width = LOWORD(lParam);
1740 height = HIWORD(lParam);
1741 w = width / font_width;
1742 if (w < 1)
1743 w = 1;
1744 h = height / font_height;
1745 if (h < 1)
1746 h = 1;
1747 #if 0 /* we have fixed this using WM_SIZING now */
1748 ew = width - w * font_width;
1749 eh = height - h * font_height;
1750 if (ew != 0 || eh != 0) {
1751 RECT r;
1752 GetWindowRect(hwnd, &r);
1753 SendMessage(hwnd, WM_IGNORE_SIZE, 0, 0);
1754 SetWindowPos(hwnd, NULL, 0, 0,
1755 r.right - r.left - ew, r.bottom - r.top - eh,
1756 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
1757 }
1758 #endif
1759 if (w != cols || h != rows || just_reconfigged) {
1760 term_invalidate();
1761 term_size(h, w, cfg.savelines);
1762 /*
1763 * Don't call back->size in mid-resize. (To prevent
1764 * massive numbers of resize events getting sent
1765 * down the connection during an NT opaque drag.)
1766 */
1767 if (!resizing)
1768 back->size();
1769 else {
1770 need_backend_resize = TRUE;
1771 cfg.height = h;
1772 cfg.width = w;
1773 }
1774 just_reconfigged = FALSE;
1775 }
1776 }
1777 if (wParam == SIZE_RESTORED && defered_resize) {
1778 defered_resize = FALSE;
1779 SetWindowPos(hwnd, NULL, 0, 0,
1780 extra_width + font_width * cfg.width,
1781 extra_height + font_height * cfg.height,
1782 SWP_NOACTIVATE | SWP_NOCOPYBITS |
1783 SWP_NOMOVE | SWP_NOZORDER);
1784 }
1785 ignore_size = FALSE;
1786 return 0;
1787 case WM_VSCROLL:
1788 switch (LOWORD(wParam)) {
1789 case SB_BOTTOM:
1790 term_scroll(-1, 0);
1791 break;
1792 case SB_TOP:
1793 term_scroll(+1, 0);
1794 break;
1795 case SB_LINEDOWN:
1796 term_scroll(0, +1);
1797 break;
1798 case SB_LINEUP:
1799 term_scroll(0, -1);
1800 break;
1801 case SB_PAGEDOWN:
1802 term_scroll(0, +rows / 2);
1803 break;
1804 case SB_PAGEUP:
1805 term_scroll(0, -rows / 2);
1806 break;
1807 case SB_THUMBPOSITION:
1808 case SB_THUMBTRACK:
1809 term_scroll(1, HIWORD(wParam));
1810 break;
1811 }
1812 break;
1813 case WM_PALETTECHANGED:
1814 if ((HWND) wParam != hwnd && pal != NULL) {
1815 HDC hdc = get_ctx();
1816 if (hdc) {
1817 if (RealizePalette(hdc) > 0)
1818 UpdateColors(hdc);
1819 free_ctx(hdc);
1820 }
1821 }
1822 break;
1823 case WM_QUERYNEWPALETTE:
1824 if (pal != NULL) {
1825 HDC hdc = get_ctx();
1826 if (hdc) {
1827 if (RealizePalette(hdc) > 0)
1828 UpdateColors(hdc);
1829 free_ctx(hdc);
1830 return TRUE;
1831 }
1832 }
1833 return FALSE;
1834 case WM_KEYDOWN:
1835 case WM_SYSKEYDOWN:
1836 case WM_KEYUP:
1837 case WM_SYSKEYUP:
1838 /*
1839 * Add the scan code and keypress timing to the random
1840 * number noise.
1841 */
1842 noise_ultralight(lParam);
1843
1844 /*
1845 * We don't do TranslateMessage since it disassociates the
1846 * resulting CHAR message from the KEYDOWN that sparked it,
1847 * which we occasionally don't want. Instead, we process
1848 * KEYDOWN, and call the Win32 translator functions so that
1849 * we get the translations under _our_ control.
1850 */
1851 {
1852 unsigned char buf[20];
1853 int len;
1854
1855 if (wParam == VK_PROCESSKEY) {
1856 MSG m;
1857 m.hwnd = hwnd;
1858 m.message = WM_KEYDOWN;
1859 m.wParam = wParam;
1860 m.lParam = lParam & 0xdfff;
1861 TranslateMessage(&m);
1862 } else {
1863 len = TranslateKey(message, wParam, lParam, buf);
1864 if (len == -1)
1865 return DefWindowProc(hwnd, message, wParam, lParam);
1866 ldisc_send(buf, len);
1867
1868 if (len > 0)
1869 show_mouseptr(0);
1870 }
1871 }
1872 return 0;
1873 case WM_INPUTLANGCHANGE:
1874 {
1875 /* wParam == Font number */
1876 /* lParam == Locale */
1877 char lbuf[20];
1878 HKL NewInputLocale = (HKL) lParam;
1879
1880 // lParam == GetKeyboardLayout(0);
1881
1882 GetLocaleInfo(LOWORD(NewInputLocale),
1883 LOCALE_IDEFAULTANSICODEPAGE, lbuf, sizeof(lbuf));
1884
1885 kbd_codepage = atoi(lbuf);
1886 }
1887 break;
1888 case WM_IME_COMPOSITION:
1889 {
1890 HIMC hIMC;
1891 int n;
1892 char *buff;
1893
1894 if(osVersion.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS ||
1895 osVersion.dwPlatformId == VER_PLATFORM_WIN32s) break; /* no Unicode */
1896
1897 if ((lParam & GCS_RESULTSTR) == 0) /* Composition unfinished. */
1898 break; /* fall back to DefWindowProc */
1899
1900 hIMC = ImmGetContext(hwnd);
1901 n = ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, NULL, 0);
1902
1903 if (n > 0) {
1904 buff = (char*) smalloc(n);
1905 ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, buff, n);
1906 luni_send((unsigned short *)buff, n / 2);
1907 free(buff);
1908 }
1909 ImmReleaseContext(hwnd, hIMC);
1910 return 1;
1911 }
1912
1913 case WM_IME_CHAR:
1914 if (wParam & 0xFF00) {
1915 unsigned char buf[2];
1916
1917 buf[1] = wParam;
1918 buf[0] = wParam >> 8;
1919 lpage_send(kbd_codepage, buf, 2);
1920 } else {
1921 char c = (unsigned char) wParam;
1922 lpage_send(kbd_codepage, &c, 1);
1923 }
1924 return (0);
1925 case WM_CHAR:
1926 case WM_SYSCHAR:
1927 /*
1928 * Nevertheless, we are prepared to deal with WM_CHAR
1929 * messages, should they crop up. So if someone wants to
1930 * post the things to us as part of a macro manoeuvre,
1931 * we're ready to cope.
1932 */
1933 {
1934 char c = (unsigned char)wParam;
1935 lpage_send(CP_ACP, &c, 1);
1936 }
1937 return 0;
1938 case WM_SETCURSOR:
1939 if (send_raw_mouse) {
1940 SetCursor(LoadCursor(NULL, IDC_ARROW));
1941 return TRUE;
1942 }
1943 }
1944
1945 return DefWindowProc(hwnd, message, wParam, lParam);
1946 }
1947
1948 /*
1949 * Move the system caret. (We maintain one, even though it's
1950 * invisible, for the benefit of blind people: apparently some
1951 * helper software tracks the system caret, so we should arrange to
1952 * have one.)
1953 */
1954 void sys_cursor(int x, int y)
1955 {
1956 COMPOSITIONFORM cf;
1957 HIMC hIMC;
1958
1959 if (!has_focus) return;
1960
1961 SetCaretPos(x * font_width, y * font_height);
1962
1963 /* IMM calls on Win98 and beyond only */
1964 if(osVersion.dwPlatformId == VER_PLATFORM_WIN32s) return; /* 3.11 */
1965
1966 if(osVersion.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS &&
1967 osVersion.dwMinorVersion == 0) return; /* 95 */
1968
1969 /* we should have the IMM functions */
1970 hIMC = ImmGetContext(hwnd);
1971 cf.dwStyle = CFS_POINT;
1972 cf.ptCurrentPos.x = x * font_width;
1973 cf.ptCurrentPos.y = y * font_height;
1974 ImmSetCompositionWindow(hIMC, &cf);
1975
1976 ImmReleaseContext(hwnd, hIMC);
1977 }
1978
1979 /*
1980 * Draw a line of text in the window, at given character
1981 * coordinates, in given attributes.
1982 *
1983 * We are allowed to fiddle with the contents of `text'.
1984 */
1985 void do_text(Context ctx, int x, int y, char *text, int len,
1986 unsigned long attr, int lattr)
1987 {
1988 COLORREF fg, bg, t;
1989 int nfg, nbg, nfont;
1990 HDC hdc = ctx;
1991 RECT line_box;
1992 int force_manual_underline = 0;
1993 int fnt_width = font_width * (1 + (lattr != LATTR_NORM));
1994 int char_width = fnt_width;
1995 int text_adjust = 0;
1996 static int *IpDx = 0, IpDxLEN = 0;
1997
1998 if (attr & ATTR_WIDE)
1999 char_width *= 2;
2000
2001 if (len > IpDxLEN || IpDx[0] != char_width) {
2002 int i;
2003 if (len > IpDxLEN) {
2004 sfree(IpDx);
2005 IpDx = smalloc((len + 16) * sizeof(int));
2006 IpDxLEN = (len + 16);
2007 }
2008 for (i = 0; i < IpDxLEN; i++)
2009 IpDx[i] = char_width;
2010 }
2011
2012 x *= fnt_width;
2013 y *= font_height;
2014
2015 if ((attr & TATTR_ACTCURS) && (cfg.cursor_type == 0 || big_cursor)) {
2016 attr &= ATTR_CUR_AND | (bold_mode != BOLD_COLOURS ? ATTR_BOLD : 0);
2017 attr ^= ATTR_CUR_XOR;
2018 }
2019
2020 nfont = 0;
2021 if (cfg.vtmode == VT_POORMAN && lattr != LATTR_NORM) {
2022 /* Assume a poorman font is borken in other ways too. */
2023 lattr = LATTR_WIDE;
2024 } else
2025 switch (lattr) {
2026 case LATTR_NORM:
2027 break;
2028 case LATTR_WIDE:
2029 nfont |= FONT_WIDE;
2030 break;
2031 default:
2032 nfont |= FONT_WIDE + FONT_HIGH;
2033 break;
2034 }
2035
2036 /* Special hack for the VT100 linedraw glyphs. */
2037 if ((attr & CSET_MASK) == 0x2300) {
2038 if (!dbcs_screenfont &&
2039 text[0] >= (char) 0xBA && text[0] <= (char) 0xBD) {
2040 switch ((unsigned char) (text[0])) {
2041 case 0xBA:
2042 text_adjust = -2 * font_height / 5;
2043 break;
2044 case 0xBB:
2045 text_adjust = -1 * font_height / 5;
2046 break;
2047 case 0xBC:
2048 text_adjust = font_height / 5;
2049 break;
2050 case 0xBD:
2051 text_adjust = 2 * font_height / 5;
2052 break;
2053 }
2054 if (lattr == LATTR_TOP || lattr == LATTR_BOT)
2055 text_adjust *= 2;
2056 attr &= ~CSET_MASK;
2057 text[0] = (char) (unitab_xterm['q'] & CHAR_MASK);
2058 attr |= (unitab_xterm['q'] & CSET_MASK);
2059 if (attr & ATTR_UNDER) {
2060 attr &= ~ATTR_UNDER;
2061 force_manual_underline = 1;
2062 }
2063 }
2064 }
2065
2066 /* Anything left as an original character set is unprintable. */
2067 if (DIRECT_CHAR(attr)) {
2068 attr &= ~CSET_MASK;
2069 attr |= 0xFF00;
2070 memset(text, 0xFF, len);
2071 }
2072
2073 /* OEM CP */
2074 if ((attr & CSET_MASK) == ATTR_OEMCP)
2075 nfont |= FONT_OEM;
2076
2077 nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
2078 nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
2079 if (bold_mode == BOLD_FONT && (attr & ATTR_BOLD))
2080 nfont |= FONT_BOLD;
2081 if (und_mode == UND_FONT && (attr & ATTR_UNDER))
2082 nfont |= FONT_UNDERLINE;
2083 another_font(nfont);
2084 if (!fonts[nfont]) {
2085 if (nfont & FONT_UNDERLINE)
2086 force_manual_underline = 1;
2087 /* Don't do the same for manual bold, it could be bad news. */
2088
2089 nfont &= ~(FONT_BOLD | FONT_UNDERLINE);
2090 }
2091 another_font(nfont);
2092 if (!fonts[nfont])
2093 nfont = FONT_NORMAL;
2094 if (attr & ATTR_REVERSE) {
2095 t = nfg;
2096 nfg = nbg;
2097 nbg = t;
2098 }
2099 if (bold_mode == BOLD_COLOURS && (attr & ATTR_BOLD))
2100 nfg++;
2101 if (bold_mode == BOLD_COLOURS && (attr & ATTR_BLINK))
2102 nbg++;
2103 fg = colours[nfg];
2104 bg = colours[nbg];
2105 SelectObject(hdc, fonts[nfont]);
2106 SetTextColor(hdc, fg);
2107 SetBkColor(hdc, bg);
2108 SetBkMode(hdc, OPAQUE);
2109 line_box.left = x;
2110 line_box.top = y;
2111 line_box.right = x + char_width * len;
2112 line_box.bottom = y + font_height;
2113
2114 /* We're using a private area for direct to font. (512 chars.) */
2115 if (dbcs_screenfont && (attr & CSET_MASK) == ATTR_ACP) {
2116 /* Ho Hum, dbcs fonts are a PITA! */
2117 /* To display on W9x I have to convert to UCS */
2118 static wchar_t *uni_buf = 0;
2119 static int uni_len = 0;
2120 int nlen;
2121 if (len > uni_len) {
2122 sfree(uni_buf);
2123 uni_buf = smalloc((uni_len = len) * sizeof(wchar_t));
2124 }
2125 nlen = MultiByteToWideChar(font_codepage, MB_USEGLYPHCHARS,
2126 text, len, uni_buf, uni_len);
2127
2128 if (nlen <= 0)
2129 return; /* Eeek! */
2130
2131 ExtTextOutW(hdc, x,
2132 y - font_height * (lattr == LATTR_BOT) + text_adjust,
2133 ETO_CLIPPED | ETO_OPAQUE, &line_box, uni_buf, nlen, 0);
2134 if (bold_mode == BOLD_SHADOW && (attr & ATTR_BOLD)) {
2135 SetBkMode(hdc, TRANSPARENT);
2136 ExtTextOutW(hdc, x - 1,
2137 y - font_height * (lattr ==
2138 LATTR_BOT) + text_adjust,
2139 ETO_CLIPPED, &line_box, uni_buf, nlen, 0);
2140 }
2141 } else if (DIRECT_FONT(attr)) {
2142 ExtTextOut(hdc, x,
2143 y - font_height * (lattr == LATTR_BOT) + text_adjust,
2144 ETO_CLIPPED | ETO_OPAQUE, &line_box, text, len, IpDx);
2145 if (bold_mode == BOLD_SHADOW && (attr & ATTR_BOLD)) {
2146 SetBkMode(hdc, TRANSPARENT);
2147
2148 /* GRR: This draws the character outside it's box and can leave
2149 * 'droppings' even with the clip box! I suppose I could loop it
2150 * one character at a time ... yuk.
2151 *
2152 * Or ... I could do a test print with "W", and use +1 or -1 for this
2153 * shift depending on if the leftmost column is blank...
2154 */
2155 ExtTextOut(hdc, x - 1,
2156 y - font_height * (lattr ==
2157 LATTR_BOT) + text_adjust,
2158 ETO_CLIPPED, &line_box, text, len, IpDx);
2159 }
2160 } else {
2161 /* And 'normal' unicode characters */
2162 static WCHAR *wbuf = NULL;
2163 static int wlen = 0;
2164 int i;
2165 if (wlen < len) {
2166 sfree(wbuf);
2167 wlen = len;
2168 wbuf = smalloc(wlen * sizeof(WCHAR));
2169 }
2170 for (i = 0; i < len; i++)
2171 wbuf[i] = (WCHAR) ((attr & CSET_MASK) + (text[i] & CHAR_MASK));
2172
2173 ExtTextOutW(hdc, x,
2174 y - font_height * (lattr == LATTR_BOT) + text_adjust,
2175 ETO_CLIPPED | ETO_OPAQUE, &line_box, wbuf, len, IpDx);
2176
2177 /* And the shadow bold hack. */
2178 if (bold_mode == BOLD_SHADOW) {
2179 SetBkMode(hdc, TRANSPARENT);
2180 ExtTextOutW(hdc, x - 1,
2181 y - font_height * (lattr ==
2182 LATTR_BOT) + text_adjust,
2183 ETO_CLIPPED, &line_box, wbuf, len, IpDx);
2184 }
2185 }
2186 if (lattr != LATTR_TOP && (force_manual_underline ||
2187 (und_mode == UND_LINE
2188 && (attr & ATTR_UNDER)))) {
2189 HPEN oldpen;
2190 int dec = descent;
2191 if (lattr == LATTR_BOT)
2192 dec = dec * 2 - font_height;
2193
2194 oldpen = SelectObject(hdc, CreatePen(PS_SOLID, 0, fg));
2195 MoveToEx(hdc, x, y + dec, NULL);
2196 LineTo(hdc, x + len * char_width, y + dec);
2197 oldpen = SelectObject(hdc, oldpen);
2198 DeleteObject(oldpen);
2199 }
2200 }
2201
2202 void do_cursor(Context ctx, int x, int y, char *text, int len,
2203 unsigned long attr, int lattr)
2204 {
2205
2206 int fnt_width;
2207 int char_width;
2208 HDC hdc = ctx;
2209 int ctype = cfg.cursor_type;
2210
2211 if ((attr & TATTR_ACTCURS) && (ctype == 0 || big_cursor)) {
2212 if (((attr & CSET_MASK) | (unsigned char) *text) != UCSWIDE) {
2213 do_text(ctx, x, y, text, len, attr, lattr);
2214 return;
2215 }
2216 ctype = 2;
2217 attr |= TATTR_RIGHTCURS;
2218 }
2219
2220 fnt_width = char_width = font_width * (1 + (lattr != LATTR_NORM));
2221 if (attr & ATTR_WIDE)
2222 char_width *= 2;
2223 x *= fnt_width;
2224 y *= font_height;
2225
2226 if ((attr & TATTR_PASCURS) && (ctype == 0 || big_cursor)) {
2227 POINT pts[5];
2228 HPEN oldpen;
2229 pts[0].x = pts[1].x = pts[4].x = x;
2230 pts[2].x = pts[3].x = x + char_width - 1;
2231 pts[0].y = pts[3].y = pts[4].y = y;
2232 pts[1].y = pts[2].y = y + font_height - 1;
2233 oldpen = SelectObject(hdc, CreatePen(PS_SOLID, 0, colours[23]));
2234 Polyline(hdc, pts, 5);
2235 oldpen = SelectObject(hdc, oldpen);
2236 DeleteObject(oldpen);
2237 } else if ((attr & (TATTR_ACTCURS | TATTR_PASCURS)) && ctype != 0) {
2238 int startx, starty, dx, dy, length, i;
2239 if (ctype == 1) {
2240 startx = x;
2241 starty = y + descent;
2242 dx = 1;
2243 dy = 0;
2244 length = char_width;
2245 } else {
2246 int xadjust = 0;
2247 if (attr & TATTR_RIGHTCURS)
2248 xadjust = char_width - 1;
2249 startx = x + xadjust;
2250 starty = y;
2251 dx = 0;
2252 dy = 1;
2253 length = font_height;
2254 }
2255 if (attr & TATTR_ACTCURS) {
2256 HPEN oldpen;
2257 oldpen =
2258 SelectObject(hdc, CreatePen(PS_SOLID, 0, colours[23]));
2259 MoveToEx(hdc, startx, starty, NULL);
2260 LineTo(hdc, startx + dx * length, starty + dy * length);
2261 oldpen = SelectObject(hdc, oldpen);
2262 DeleteObject(oldpen);
2263 } else {
2264 for (i = 0; i < length; i++) {
2265 if (i % 2 == 0) {
2266 SetPixel(hdc, startx, starty, colours[23]);
2267 }
2268 startx += dx;
2269 starty += dy;
2270 }
2271 }
2272 }
2273 }
2274
2275 /*
2276 * Translate a WM_(SYS)?KEY(UP|DOWN) message into a string of ASCII
2277 * codes. Returns number of bytes used or zero to drop the message
2278 * or -1 to forward the message to windows.
2279 */
2280 static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
2281 unsigned char *output)
2282 {
2283 BYTE keystate[256];
2284 int scan, left_alt = 0, key_down, shift_state;
2285 int r, i, code;
2286 unsigned char *p = output;
2287 static int alt_state = 0;
2288 static int alt_sum = 0;
2289
2290 HKL kbd_layout = GetKeyboardLayout(0);
2291
2292 static WORD keys[3];
2293 static int compose_char = 0;
2294 static WPARAM compose_key = 0;
2295
2296 r = GetKeyboardState(keystate);
2297 if (!r)
2298 memset(keystate, 0, sizeof(keystate));
2299 else {
2300 #if 0
2301 #define SHOW_TOASCII_RESULT
2302 { /* Tell us all about key events */
2303 static BYTE oldstate[256];
2304 static int first = 1;
2305 static int scan;
2306 int ch;
2307 if (first)
2308 memcpy(oldstate, keystate, sizeof(oldstate));
2309 first = 0;
2310
2311 if ((HIWORD(lParam) & (KF_UP | KF_REPEAT)) == KF_REPEAT) {
2312 debug(("+"));
2313 } else if ((HIWORD(lParam) & KF_UP)
2314 && scan == (HIWORD(lParam) & 0xFF)) {
2315 debug((". U"));
2316 } else {
2317 debug((".\n"));
2318 if (wParam >= VK_F1 && wParam <= VK_F20)
2319 debug(("K_F%d", wParam + 1 - VK_F1));
2320 else
2321 switch (wParam) {
2322 case VK_SHIFT:
2323 debug(("SHIFT"));
2324 break;
2325 case VK_CONTROL:
2326 debug(("CTRL"));
2327 break;
2328 case VK_MENU:
2329 debug(("ALT"));
2330 break;
2331 default:
2332 debug(("VK_%02x", wParam));
2333 }
2334 if (message == WM_SYSKEYDOWN || message == WM_SYSKEYUP)
2335 debug(("*"));
2336 debug((", S%02x", scan = (HIWORD(lParam) & 0xFF)));
2337
2338 ch = MapVirtualKeyEx(wParam, 2, kbd_layout);
2339 if (ch >= ' ' && ch <= '~')
2340 debug((", '%c'", ch));
2341 else if (ch)
2342 debug((", $%02x", ch));
2343
2344 if (keys[0])
2345 debug((", KB0=%02x", keys[0]));
2346 if (keys[1])
2347 debug((", KB1=%02x", keys[1]));
2348 if (keys[2])
2349 debug((", KB2=%02x", keys[2]));
2350
2351 if ((keystate[VK_SHIFT] & 0x80) != 0)
2352 debug((", S"));
2353 if ((keystate[VK_CONTROL] & 0x80) != 0)
2354 debug((", C"));
2355 if ((HIWORD(lParam) & KF_EXTENDED))
2356 debug((", E"));
2357 if ((HIWORD(lParam) & KF_UP))
2358 debug((", U"));
2359 }
2360
2361 if ((HIWORD(lParam) & (KF_UP | KF_REPEAT)) == KF_REPEAT);
2362 else if ((HIWORD(lParam) & KF_UP))
2363 oldstate[wParam & 0xFF] ^= 0x80;
2364 else
2365 oldstate[wParam & 0xFF] ^= 0x81;
2366
2367 for (ch = 0; ch < 256; ch++)
2368 if (oldstate[ch] != keystate[ch])
2369 debug((", M%02x=%02x", ch, keystate[ch]));
2370
2371 memcpy(oldstate, keystate, sizeof(oldstate));
2372 }
2373 #endif
2374
2375 if (wParam == VK_MENU && (HIWORD(lParam) & KF_EXTENDED)) {
2376 keystate[VK_RMENU] = keystate[VK_MENU];
2377 }
2378
2379
2380 /* Nastyness with NUMLock - Shift-NUMLock is left alone though */
2381 if ((cfg.funky_type == 3 ||
2382 (cfg.funky_type <= 1 && app_keypad_keys && !cfg.no_applic_k))
2383 && wParam == VK_NUMLOCK && !(keystate[VK_SHIFT] & 0x80)) {
2384
2385 wParam = VK_EXECUTE;
2386
2387 /* UnToggle NUMLock */
2388 if ((HIWORD(lParam) & (KF_UP | KF_REPEAT)) == 0)
2389 keystate[VK_NUMLOCK] ^= 1;
2390 }
2391
2392 /* And write back the 'adjusted' state */
2393 SetKeyboardState(keystate);
2394 }
2395
2396 /* Disable Auto repeat if required */
2397 if (repeat_off && (HIWORD(lParam) & (KF_UP | KF_REPEAT)) == KF_REPEAT)
2398 return 0;
2399
2400 if ((HIWORD(lParam) & KF_ALTDOWN) && (keystate[VK_RMENU] & 0x80) == 0)
2401 left_alt = 1;
2402
2403 key_down = ((HIWORD(lParam) & KF_UP) == 0);
2404
2405 /* Make sure Ctrl-ALT is not the same as AltGr for ToAscii unless told. */
2406 if (left_alt && (keystate[VK_CONTROL] & 0x80)) {
2407 if (cfg.ctrlaltkeys)
2408 keystate[VK_MENU] = 0;
2409 else {
2410 keystate[VK_RMENU] = 0x80;
2411 left_alt = 0;
2412 }
2413 }
2414
2415 scan = (HIWORD(lParam) & (KF_UP | KF_EXTENDED | 0xFF));
2416 shift_state = ((keystate[VK_SHIFT] & 0x80) != 0)
2417 + ((keystate[VK_CONTROL] & 0x80) != 0) * 2;
2418
2419 /* Note if AltGr was pressed and if it was used as a compose key */
2420 if (!compose_state) {
2421 compose_key = 0x100;
2422 if (cfg.compose_key) {
2423 if (wParam == VK_MENU && (HIWORD(lParam) & KF_EXTENDED))
2424 compose_key = wParam;
2425 }
2426 if (wParam == VK_APPS)
2427 compose_key = wParam;
2428 }
2429
2430 if (wParam == compose_key) {
2431 if (compose_state == 0
2432 && (HIWORD(lParam) & (KF_UP | KF_REPEAT)) == 0) compose_state =
2433 1;
2434 else if (compose_state == 1 && (HIWORD(lParam) & KF_UP))
2435 compose_state = 2;
2436 else
2437 compose_state = 0;
2438 } else if (compose_state == 1 && wParam != VK_CONTROL)
2439 compose_state = 0;
2440
2441 /*
2442 * Record that we pressed key so the scroll window can be reset, but
2443 * be careful to avoid Shift-UP/Down
2444 */
2445 if (wParam != VK_SHIFT && wParam != VK_PRIOR && wParam != VK_NEXT) {
2446 seen_key_event = 1;
2447 }
2448
2449 /* Make sure we're not pasting */
2450 if (key_down)
2451 term_nopaste();
2452
2453 if (compose_state > 1 && left_alt)
2454 compose_state = 0;
2455
2456 /* Sanitize the number pad if not using a PC NumPad */
2457 if (left_alt || (app_keypad_keys && !cfg.no_applic_k
2458 && cfg.funky_type != 2)
2459 || cfg.funky_type == 3 || cfg.nethack_keypad || compose_state) {
2460 if ((HIWORD(lParam) & KF_EXTENDED) == 0) {
2461 int nParam = 0;
2462 switch (wParam) {
2463 case VK_INSERT:
2464 nParam = VK_NUMPAD0;
2465 break;
2466 case VK_END:
2467 nParam = VK_NUMPAD1;
2468 break;
2469 case VK_DOWN:
2470 nParam = VK_NUMPAD2;
2471 break;
2472 case VK_NEXT:
2473 nParam = VK_NUMPAD3;
2474 break;
2475 case VK_LEFT:
2476 nParam = VK_NUMPAD4;
2477 break;
2478 case VK_CLEAR:
2479 nParam = VK_NUMPAD5;
2480 break;
2481 case VK_RIGHT:
2482 nParam = VK_NUMPAD6;
2483 break;
2484 case VK_HOME:
2485 nParam = VK_NUMPAD7;
2486 break;
2487 case VK_UP:
2488 nParam = VK_NUMPAD8;
2489 break;
2490 case VK_PRIOR:
2491 nParam = VK_NUMPAD9;
2492 break;
2493 case VK_DELETE:
2494 nParam = VK_DECIMAL;
2495 break;
2496 }
2497 if (nParam) {
2498 if (keystate[VK_NUMLOCK] & 1)
2499 shift_state |= 1;
2500 wParam = nParam;
2501 }
2502 }
2503 }
2504
2505 /* If a key is pressed and AltGr is not active */
2506 if (key_down && (keystate[VK_RMENU] & 0x80) == 0 && !compose_state) {
2507 /* Okay, prepare for most alts then ... */
2508 if (left_alt)
2509 *p++ = '\033';
2510
2511 /* Lets see if it's a pattern we know all about ... */
2512 if (wParam == VK_PRIOR && shift_state == 1) {
2513 SendMessage(hwnd, WM_VSCROLL, SB_PAGEUP, 0);
2514 return 0;
2515 }
2516 if (wParam == VK_NEXT && shift_state == 1) {
2517 SendMessage(hwnd, WM_VSCROLL, SB_PAGEDOWN, 0);
2518 return 0;
2519 }
2520 if (wParam == VK_INSERT && shift_state == 1) {
2521 term_do_paste();
2522 return 0;
2523 }
2524 if (left_alt && wParam == VK_F4 && cfg.alt_f4) {
2525 return -1;
2526 }
2527 if (left_alt && wParam == VK_SPACE && cfg.alt_space) {
2528 alt_state = 0;
2529 PostMessage(hwnd, WM_CHAR, ' ', 0);
2530 SendMessage(hwnd, WM_SYSCOMMAND, SC_KEYMENU, 0);
2531 return -1;
2532 }
2533 /* Control-Numlock for app-keypad mode switch */
2534 if (wParam == VK_PAUSE && shift_state == 2) {
2535 app_keypad_keys ^= 1;
2536 return 0;
2537 }
2538
2539 /* Nethack keypad */
2540 if (cfg.nethack_keypad && !left_alt) {
2541 switch (wParam) {
2542 case VK_NUMPAD1:
2543 *p++ = shift_state ? 'B' : 'b';
2544 return p - output;
2545 case VK_NUMPAD2:
2546 *p++ = shift_state ? 'J' : 'j';
2547 return p - output;
2548 case VK_NUMPAD3:
2549 *p++ = shift_state ? 'N' : 'n';
2550 return p - output;
2551 case VK_NUMPAD4:
2552 *p++ = shift_state ? 'H' : 'h';
2553 return p - output;
2554 case VK_NUMPAD5:
2555 *p++ = shift_state ? '.' : '.';
2556 return p - output;
2557 case VK_NUMPAD6:
2558 *p++ = shift_state ? 'L' : 'l';
2559 return p - output;
2560 case VK_NUMPAD7:
2561 *p++ = shift_state ? 'Y' : 'y';
2562 return p - output;
2563 case VK_NUMPAD8:
2564 *p++ = shift_state ? 'K' : 'k';
2565 return p - output;
2566 case VK_NUMPAD9:
2567 *p++ = shift_state ? 'U' : 'u';
2568 return p - output;
2569 }
2570 }
2571
2572 /* Application Keypad */
2573 if (!left_alt) {
2574 int xkey = 0;
2575
2576 if (cfg.funky_type == 3 ||
2577 (cfg.funky_type <= 1 &&
2578 app_keypad_keys && !cfg.no_applic_k)) switch (wParam) {
2579 case VK_EXECUTE:
2580 xkey = 'P';
2581 break;
2582 case VK_DIVIDE:
2583 xkey = 'Q';
2584 break;
2585 case VK_MULTIPLY:
2586 xkey = 'R';
2587 break;
2588 case VK_SUBTRACT:
2589 xkey = 'S';
2590 break;
2591 }
2592 if (app_keypad_keys && !cfg.no_applic_k)
2593 switch (wParam) {
2594 case VK_NUMPAD0:
2595 xkey = 'p';
2596 break;
2597 case VK_NUMPAD1:
2598 xkey = 'q';
2599 break;
2600 case VK_NUMPAD2:
2601 xkey = 'r';
2602 break;
2603 case VK_NUMPAD3:
2604 xkey = 's';
2605 break;
2606 case VK_NUMPAD4:
2607 xkey = 't';
2608 break;
2609 case VK_NUMPAD5:
2610 xkey = 'u';
2611 break;
2612 case VK_NUMPAD6:
2613 xkey = 'v';
2614 break;
2615 case VK_NUMPAD7:
2616 xkey = 'w';
2617 break;
2618 case VK_NUMPAD8:
2619 xkey = 'x';
2620 break;
2621 case VK_NUMPAD9:
2622 xkey = 'y';
2623 break;
2624
2625 case VK_DECIMAL:
2626 xkey = 'n';
2627 break;
2628 case VK_ADD:
2629 if (cfg.funky_type == 2) {
2630 if (shift_state)
2631 xkey = 'l';
2632 else
2633 xkey = 'k';
2634 } else if (shift_state)
2635 xkey = 'm';
2636 else
2637 xkey = 'l';
2638 break;
2639
2640 case VK_DIVIDE:
2641 if (cfg.funky_type == 2)
2642 xkey = 'o';
2643 break;
2644 case VK_MULTIPLY:
2645 if (cfg.funky_type == 2)
2646 xkey = 'j';
2647 break;
2648 case VK_SUBTRACT:
2649 if (cfg.funky_type == 2)
2650 xkey = 'm';
2651 break;
2652
2653 case VK_RETURN:
2654 if (HIWORD(lParam) & KF_EXTENDED)
2655 xkey = 'M';
2656 break;
2657 }
2658 if (xkey) {
2659 if (vt52_mode) {
2660 if (xkey >= 'P' && xkey <= 'S')
2661 p += sprintf((char *) p, "\x1B%c", xkey);
2662 else
2663 p += sprintf((char *) p, "\x1B?%c", xkey);
2664 } else
2665 p += sprintf((char *) p, "\x1BO%c", xkey);
2666 return p - output;
2667 }
2668 }
2669
2670 if (wParam == VK_BACK && shift_state == 0) { /* Backspace */
2671 *p++ = (cfg.bksp_is_delete ? 0x7F : 0x08);
2672 *p++ = 0;
2673 return -2;
2674 }
2675 if (wParam == VK_TAB && shift_state == 1) { /* Shift tab */
2676 *p++ = 0x1B;
2677 *p++ = '[';
2678 *p++ = 'Z';
2679 return p - output;
2680 }
2681 if (wParam == VK_SPACE && shift_state == 2) { /* Ctrl-Space */
2682 *p++ = 0;
2683 return p - output;
2684 }
2685 if (wParam == VK_SPACE && shift_state == 3) { /* Ctrl-Shift-Space */
2686 *p++ = 160;
2687 return p - output;
2688 }
2689 if (wParam == VK_CANCEL && shift_state == 2) { /* Ctrl-Break */
2690 *p++ = 3;
2691 *p++ = 0;
2692 return -2;
2693 }
2694 if (wParam == VK_PAUSE) { /* Break/Pause */
2695 *p++ = 26;
2696 *p++ = 0;
2697 return -2;
2698 }
2699 /* Control-2 to Control-8 are special */
2700 if (shift_state == 2 && wParam >= '2' && wParam <= '8') {
2701 *p++ = "\000\033\034\035\036\037\177"[wParam - '2'];
2702 return p - output;
2703 }
2704 if (shift_state == 2 && wParam == 0xBD) {
2705 *p++ = 0x1F;
2706 return p - output;
2707 }
2708 if (shift_state == 2 && wParam == 0xDF) {
2709 *p++ = 0x1C;
2710 return p - output;
2711 }
2712 if (shift_state == 0 && wParam == VK_RETURN && cr_lf_return) {
2713 *p++ = '\r';
2714 *p++ = '\n';
2715 return p - output;
2716 }
2717
2718 /*
2719 * Next, all the keys that do tilde codes. (ESC '[' nn '~',
2720 * for integer decimal nn.)
2721 *
2722 * We also deal with the weird ones here. Linux VCs replace F1
2723 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
2724 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
2725 * respectively.
2726 */
2727 code = 0;
2728 switch (wParam) {
2729 case VK_F1:
2730 code = (keystate[VK_SHIFT] & 0x80 ? 23 : 11);
2731 break;
2732 case VK_F2:
2733 code = (keystate[VK_SHIFT] & 0x80 ? 24 : 12);
2734 break;
2735 case VK_F3:
2736 code = (keystate[VK_SHIFT] & 0x80 ? 25 : 13);
2737 break;
2738 case VK_F4:
2739 code = (keystate[VK_SHIFT] & 0x80 ? 26 : 14);
2740 break;
2741 case VK_F5:
2742 code = (keystate[VK_SHIFT] & 0x80 ? 28 : 15);
2743 break;
2744 case VK_F6:
2745 code = (keystate[VK_SHIFT] & 0x80 ? 29 : 17);
2746 break;
2747 case VK_F7:
2748 code = (keystate[VK_SHIFT] & 0x80 ? 31 : 18);
2749 break;
2750 case VK_F8:
2751 code = (keystate[VK_SHIFT] & 0x80 ? 32 : 19);
2752 break;
2753 case VK_F9:
2754 code = (keystate[VK_SHIFT] & 0x80 ? 33 : 20);
2755 break;
2756 case VK_F10:
2757 code = (keystate[VK_SHIFT] & 0x80 ? 34 : 21);
2758 break;
2759 case VK_F11:
2760 code = 23;
2761 break;
2762 case VK_F12:
2763 code = 24;
2764 break;
2765 case VK_F13:
2766 code = 25;
2767 break;
2768 case VK_F14:
2769 code = 26;
2770 break;
2771 case VK_F15:
2772 code = 28;
2773 break;
2774 case VK_F16:
2775 code = 29;
2776 break;
2777 case VK_F17:
2778 code = 31;
2779 break;
2780 case VK_F18:
2781 code = 32;
2782 break;
2783 case VK_F19:
2784 code = 33;
2785 break;
2786 case VK_F20:
2787 code = 34;
2788 break;
2789 case VK_HOME:
2790 code = 1;
2791 break;
2792 case VK_INSERT:
2793 code = 2;
2794 break;
2795 case VK_DELETE:
2796 code = 3;
2797 break;
2798 case VK_END:
2799 code = 4;
2800 break;
2801 case VK_PRIOR:
2802 code = 5;
2803 break;
2804 case VK_NEXT:
2805 code = 6;
2806 break;
2807 }
2808 /* Reorder edit keys to physical order */
2809 if (cfg.funky_type == 3 && code <= 6)
2810 code = "\0\2\1\4\5\3\6"[code];
2811
2812 if (vt52_mode && code > 0 && code <= 6) {
2813 p += sprintf((char *) p, "\x1B%c", " HLMEIG"[code]);
2814 return p - output;
2815 }
2816
2817 if (cfg.funky_type == 5 && /* SCO function keys */
2818 code >= 11 && code <= 34) {
2819 char codes[] = "MNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@[\\]^_`{";
2820 int index = 0;
2821 switch (wParam) {
2822 case VK_F1: index = 0; break;
2823 case VK_F2: index = 1; break;
2824 case VK_F3: index = 2; break;
2825 case VK_F4: index = 3; break;
2826 case VK_F5: index = 4; break;
2827 case VK_F6: index = 5; break;
2828 case VK_F7: index = 6; break;
2829 case VK_F8: index = 7; break;
2830 case VK_F9: index = 8; break;
2831 case VK_F10: index = 9; break;
2832 case VK_F11: index = 10; break;
2833 case VK_F12: index = 11; break;
2834 }
2835 if (keystate[VK_SHIFT] & 0x80) index += 12;
2836 if (keystate[VK_CONTROL] & 0x80) index += 24;
2837 p += sprintf((char *) p, "\x1B[%c", codes[index]);
2838 return p - output;
2839 }
2840 if (cfg.funky_type == 5 && /* SCO small keypad */
2841 code >= 1 && code <= 6) {
2842 char codes[] = "HL.FIG";
2843 if (code == 3) {
2844 *p++ = '\x7F';
2845 } else {
2846 p += sprintf((char *) p, "\x1B[%c", codes[code-1]);
2847 }
2848 return p - output;
2849 }
2850 if ((vt52_mode || cfg.funky_type == 4) && code >= 11 && code <= 24) {
2851 int offt = 0;
2852 if (code > 15)
2853 offt++;
2854 if (code > 21)
2855 offt++;
2856 if (vt52_mode)
2857 p += sprintf((char *) p, "\x1B%c", code + 'P' - 11 - offt);
2858 else
2859 p +=
2860 sprintf((char *) p, "\x1BO%c", code + 'P' - 11 - offt);
2861 return p - output;
2862 }
2863 if (cfg.funky_type == 1 && code >= 11 && code <= 15) {
2864 p += sprintf((char *) p, "\x1B[[%c", code + 'A' - 11);
2865 return p - output;
2866 }
2867 if (cfg.funky_type == 2 && code >= 11 && code <= 14) {
2868 if (vt52_mode)
2869 p += sprintf((char *) p, "\x1B%c", code + 'P' - 11);
2870 else
2871 p += sprintf((char *) p, "\x1BO%c", code + 'P' - 11);
2872 return p - output;
2873 }
2874 if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
2875 p += sprintf((char *) p, code == 1 ? "\x1B[H" : "\x1BOw");
2876 return p - output;
2877 }
2878 if (code) {
2879 p += sprintf((char *) p, "\x1B[%d~", code);
2880 return p - output;
2881 }
2882
2883 /*
2884 * Now the remaining keys (arrows and Keypad 5. Keypad 5 for
2885 * some reason seems to send VK_CLEAR to Windows...).
2886 */
2887 {
2888 char xkey = 0;
2889 switch (wParam) {
2890 case VK_UP:
2891 xkey = 'A';
2892 break;
2893 case VK_DOWN:
2894 xkey = 'B';
2895 break;
2896 case VK_RIGHT:
2897 xkey = 'C';
2898 break;
2899 case VK_LEFT:
2900 xkey = 'D';
2901 break;
2902 case VK_CLEAR:
2903 xkey = 'G';
2904 break;
2905 }
2906 if (xkey) {
2907 if (vt52_mode)
2908 p += sprintf((char *) p, "\x1B%c", xkey);
2909 else {
2910 int app_flg = (app_cursor_keys && !cfg.no_applic_c);
2911 /* VT100 & VT102 manuals both state the app cursor keys
2912 * only work if the app keypad is on.
2913 */
2914 if (!app_keypad_keys)
2915 app_flg = 0;
2916 /* Useful mapping of Ctrl-arrows */
2917 if (shift_state == 2)
2918 app_flg = !app_flg;
2919
2920 if (app_flg)
2921 p += sprintf((char *) p, "\x1BO%c", xkey);
2922 else
2923 p += sprintf((char *) p, "\x1B[%c", xkey);
2924 }
2925 return p - output;
2926 }
2927 }
2928
2929 /*
2930 * Finally, deal with Return ourselves. (Win95 seems to
2931 * foul it up when Alt is pressed, for some reason.)
2932 */
2933 if (wParam == VK_RETURN) { /* Return */
2934 *p++ = 0x0D;
2935 *p++ = 0;
2936 return -2;
2937 }
2938
2939 if (left_alt && wParam >= VK_NUMPAD0 && wParam <= VK_NUMPAD9)
2940 alt_sum = alt_sum * 10 + wParam - VK_NUMPAD0;
2941 else
2942 alt_sum = 0;
2943 }
2944
2945 /* Okay we've done everything interesting; let windows deal with
2946 * the boring stuff */
2947 {
2948 r = ToAsciiEx(wParam, scan, keystate, keys, 0, kbd_layout);
2949 #ifdef SHOW_TOASCII_RESULT
2950 if (r == 1 && !key_down) {
2951 if (alt_sum) {
2952 if (in_utf || dbcs_screenfont)
2953 debug((", (U+%04x)", alt_sum));
2954 else
2955 debug((", LCH(%d)", alt_sum));
2956 } else {
2957 debug((", ACH(%d)", keys[0]));
2958 }
2959 } else if (r > 0) {
2960 int r1;
2961 debug((", ASC("));
2962 for (r1 = 0; r1 < r; r1++) {
2963 debug(("%s%d", r1 ? "," : "", keys[r1]));
2964 }
2965 debug((")"));
2966 }
2967 #endif
2968 if (r > 0) {
2969 WCHAR keybuf;
2970 p = output;
2971 for (i = 0; i < r; i++) {
2972 unsigned char ch = (unsigned char) keys[i];
2973
2974 if (compose_state == 2 && (ch & 0x80) == 0 && ch > ' ') {
2975 compose_char = ch;
2976 compose_state++;
2977 continue;
2978 }
2979 if (compose_state == 3 && (ch & 0x80) == 0 && ch > ' ') {
2980 int nc;
2981 compose_state = 0;
2982
2983 if ((nc = check_compose(compose_char, ch)) == -1) {
2984 MessageBeep(MB_ICONHAND);
2985 return 0;
2986 }
2987 keybuf = nc;
2988 luni_send(&keybuf, 1);
2989 continue;
2990 }
2991
2992 compose_state = 0;
2993
2994 if (!key_down) {
2995 if (alt_sum) {
2996 if (in_utf || dbcs_screenfont) {
2997 keybuf = alt_sum;
2998 luni_send(&keybuf, 1);
2999 } else {
3000 ch = (char) alt_sum;
3001 ldisc_send(&ch, 1);
3002 }
3003 alt_sum = 0;
3004 } else
3005 lpage_send(kbd_codepage, &ch, 1);
3006 } else {
3007 static char cbuf[] = "\033 ";
3008 cbuf[1] = ch;
3009 lpage_send(kbd_codepage, cbuf + !left_alt,
3010 1 + !!left_alt);
3011 }
3012 }
3013
3014 /* This is so the ALT-Numpad and dead keys work correctly. */
3015 keys[0] = 0;
3016
3017 return p - output;
3018 }
3019 /* If we're definitly not building up an ALT-54321 then clear it */
3020 if (!left_alt)
3021 keys[0] = 0;
3022 /* If we will be using alt_sum fix the 256s */
3023 else if (keys[0] && (in_utf || dbcs_screenfont))
3024 keys[0] = 10;
3025 }
3026
3027 /* ALT alone may or may not want to bring up the System menu */
3028 if (wParam == VK_MENU) {
3029 if (cfg.alt_only) {
3030 if (message == WM_SYSKEYDOWN)
3031 alt_state = 1;
3032 else if (message == WM_SYSKEYUP && alt_state)
3033 PostMessage(hwnd, WM_CHAR, ' ', 0);
3034 if (message == WM_SYSKEYUP)
3035 alt_state = 0;
3036 } else
3037 return 0;
3038 } else
3039 alt_state = 0;
3040
3041 return -1;
3042 }
3043
3044 void set_title(char *title)
3045 {
3046 sfree(window_name);
3047 window_name = smalloc(1 + strlen(title));
3048 strcpy(window_name, title);
3049 if (cfg.win_name_always || !IsIconic(hwnd))
3050 SetWindowText(hwnd, title);
3051 }
3052
3053 void set_icon(char *title)
3054 {
3055 sfree(icon_name);
3056 icon_name = smalloc(1 + strlen(title));
3057 strcpy(icon_name, title);
3058 if (!cfg.win_name_always && IsIconic(hwnd))
3059 SetWindowText(hwnd, title);
3060 }
3061
3062 void set_sbar(int total, int start, int page)
3063 {
3064 SCROLLINFO si;
3065
3066 if (!cfg.scrollbar)
3067 return;
3068
3069 si.cbSize = sizeof(si);
3070 si.fMask = SIF_ALL | SIF_DISABLENOSCROLL;
3071 si.nMin = 0;
3072 si.nMax = total - 1;
3073 si.nPage = page;
3074 si.nPos = start;
3075 if (hwnd)
3076 SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
3077 }
3078
3079 Context get_ctx(void)
3080 {
3081 HDC hdc;
3082 if (hwnd) {
3083 hdc = GetDC(hwnd);
3084 if (hdc && pal)
3085 SelectPalette(hdc, pal, FALSE);
3086 return hdc;
3087 } else
3088 return NULL;
3089 }
3090
3091 void free_ctx(Context ctx)
3092 {
3093 SelectPalette(ctx, GetStockObject(DEFAULT_PALETTE), FALSE);
3094 ReleaseDC(hwnd, ctx);
3095 }
3096
3097 static void real_palette_set(int n, int r, int g, int b)
3098 {
3099 if (pal) {
3100 logpal->palPalEntry[n].peRed = r;
3101 logpal->palPalEntry[n].peGreen = g;
3102 logpal->palPalEntry[n].peBlue = b;
3103 logpal->palPalEntry[n].peFlags = PC_NOCOLLAPSE;
3104 colours[n] = PALETTERGB(r, g, b);
3105 SetPaletteEntries(pal, 0, NCOLOURS, logpal->palPalEntry);
3106 } else
3107 colours[n] = RGB(r, g, b);
3108 }
3109
3110 void palette_set(int n, int r, int g, int b)
3111 {
3112 static const int first[21] = {
3113 0, 2, 4, 6, 8, 10, 12, 14,
3114 1, 3, 5, 7, 9, 11, 13, 15,
3115 16, 17, 18, 20, 22
3116 };
3117 real_palette_set(first[n], r, g, b);
3118 if (first[n] >= 18)
3119 real_palette_set(first[n] + 1, r, g, b);
3120 if (pal) {
3121 HDC hdc = get_ctx();
3122 UnrealizeObject(pal);
3123 RealizePalette(hdc);
3124 free_ctx(hdc);
3125 }
3126 }
3127
3128 void palette_reset(void)
3129 {
3130 int i;
3131
3132 for (i = 0; i < NCOLOURS; i++) {
3133 if (pal) {
3134 logpal->palPalEntry[i].peRed = defpal[i].rgbtRed;
3135 logpal->palPalEntry[i].peGreen = defpal[i].rgbtGreen;
3136 logpal->palPalEntry[i].peBlue = defpal[i].rgbtBlue;
3137 logpal->palPalEntry[i].peFlags = 0;
3138 colours[i] = PALETTERGB(defpal[i].rgbtRed,
3139 defpal[i].rgbtGreen,
3140 defpal[i].rgbtBlue);
3141 } else
3142 colours[i] = RGB(defpal[i].rgbtRed,
3143 defpal[i].rgbtGreen, defpal[i].rgbtBlue);
3144 }
3145
3146 if (pal) {
3147 HDC hdc;
3148 SetPaletteEntries(pal, 0, NCOLOURS, logpal->palPalEntry);
3149 hdc = get_ctx();
3150 RealizePalette(hdc);
3151 free_ctx(hdc);
3152 }
3153 }
3154
3155 void write_aclip(char *data, int len, int must_deselect)
3156 {
3157 HGLOBAL clipdata;
3158 void *lock;
3159
3160 clipdata = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE, len + 1);
3161 if (!clipdata)
3162 return;
3163 lock = GlobalLock(clipdata);
3164 if (!lock)
3165 return;
3166 memcpy(lock, data, len);
3167 ((unsigned char *) lock)[len] = 0;
3168 GlobalUnlock(clipdata);
3169
3170 if (!must_deselect)
3171 SendMessage(hwnd, WM_IGNORE_CLIP, TRUE, 0);
3172
3173 if (OpenClipboard(hwnd)) {
3174 EmptyClipboard();
3175 SetClipboardData(CF_TEXT, clipdata);
3176 CloseClipboard();
3177 } else
3178 GlobalFree(clipdata);
3179
3180 if (!must_deselect)
3181 SendMessage(hwnd, WM_IGNORE_CLIP, FALSE, 0);
3182 }
3183
3184 /*
3185 * Note: unlike write_aclip() this will not append a nul.
3186 */
3187 void write_clip(wchar_t * data, int len, int must_deselect)
3188 {
3189 HGLOBAL clipdata;
3190 HGLOBAL clipdata2;
3191 int len2;
3192 void *lock, *lock2;
3193
3194 len2 = WideCharToMultiByte(CP_ACP, 0, data, len, 0, 0, NULL, NULL);
3195
3196 clipdata = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE,
3197 len * sizeof(wchar_t));
3198 clipdata2 = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE, len2);
3199
3200 if (!clipdata || !clipdata2) {
3201 if (clipdata)
3202 GlobalFree(clipdata);
3203 if (clipdata2)
3204 GlobalFree(clipdata2);
3205 return;
3206 }
3207 if (!(lock = GlobalLock(clipdata)))
3208 return;
3209 if (!(lock2 = GlobalLock(clipdata2)))
3210 return;
3211
3212 memcpy(lock, data, len * sizeof(wchar_t));
3213 WideCharToMultiByte(CP_ACP, 0, data, len, lock2, len2, NULL, NULL);
3214
3215 GlobalUnlock(clipdata);
3216 GlobalUnlock(clipdata2);
3217
3218 if (!must_deselect)
3219 SendMessage(hwnd, WM_IGNORE_CLIP, TRUE, 0);
3220
3221 if (OpenClipboard(hwnd)) {
3222 EmptyClipboard();
3223 SetClipboardData(CF_UNICODETEXT, clipdata);
3224 SetClipboardData(CF_TEXT, clipdata2);
3225 CloseClipboard();
3226 } else {
3227 GlobalFree(clipdata);
3228 GlobalFree(clipdata2);
3229 }
3230
3231 if (!must_deselect)
3232 SendMessage(hwnd, WM_IGNORE_CLIP, FALSE, 0);
3233 }
3234
3235 void get_clip(wchar_t ** p, int *len)
3236 {
3237 static HGLOBAL clipdata = NULL;
3238 static wchar_t *converted = 0;
3239 wchar_t *p2;
3240
3241 if (converted) {
3242 sfree(converted);
3243 converted = 0;
3244 }
3245 if (!p) {
3246 if (clipdata)
3247 GlobalUnlock(clipdata);
3248 clipdata = NULL;
3249 return;
3250 } else if (OpenClipboard(NULL)) {
3251 if ((clipdata = GetClipboardData(CF_UNICODETEXT))) {
3252 CloseClipboard();
3253 *p = GlobalLock(clipdata);
3254 if (*p) {
3255 for (p2 = *p; *p2; p2++);
3256 *len = p2 - *p;
3257 return;
3258 }
3259 } else if ( (clipdata = GetClipboardData(CF_TEXT)) ) {
3260 char *s;
3261 int i;
3262 CloseClipboard();
3263 s = GlobalLock(clipdata);
3264 i = MultiByteToWideChar(CP_ACP, 0, s, strlen(s) + 1, 0, 0);
3265 *p = converted = smalloc(i * sizeof(wchar_t));
3266 MultiByteToWideChar(CP_ACP, 0, s, strlen(s) + 1, converted, i);
3267 *len = i - 1;
3268 return;
3269 } else
3270 CloseClipboard();
3271 }
3272
3273 *p = NULL;
3274 *len = 0;
3275 }
3276
3277 #if 0
3278 /*
3279 * Move `lines' lines from position `from' to position `to' in the
3280 * window.
3281 */
3282 void optimised_move(int to, int from, int lines)
3283 {
3284 RECT r;
3285 int min, max;
3286
3287 min = (to < from ? to : from);
3288 max = to + from - min;
3289
3290 r.left = 0;
3291 r.right = cols * font_width;
3292 r.top = min * font_height;
3293 r.bottom = (max + lines) * font_height;
3294 ScrollWindow(hwnd, 0, (to - from) * font_height, &r, &r);
3295 }
3296 #endif
3297
3298 /*
3299 * Print a message box and perform a fatal exit.
3300 */
3301 void fatalbox(char *fmt, ...)
3302 {
3303 va_list ap;
3304 char stuff[200];
3305
3306 va_start(ap, fmt);
3307 vsprintf(stuff, fmt, ap);
3308 va_end(ap);
3309 MessageBox(hwnd, stuff, "PuTTY Fatal Error", MB_ICONERROR | MB_OK);
3310 exit(1);
3311 }
3312
3313 /*
3314 * Manage window caption / taskbar flashing, if enabled.
3315 * 0 = stop, 1 = maintain, 2 = start
3316 */
3317 static void flash_window(int mode)
3318 {
3319 static long last_flash = 0;
3320 static int flashing = 0;
3321 if ((mode == 0) || (cfg.beep_ind == B_IND_DISABLED)) {
3322 /* stop */
3323 if (flashing) {
3324 FlashWindow(hwnd, FALSE);
3325 flashing = 0;
3326 }
3327
3328 } else if (mode == 2) {
3329 /* start */
3330 if (!flashing) {
3331 last_flash = GetTickCount();
3332 flashing = 1;
3333 FlashWindow(hwnd, TRUE);
3334 }
3335
3336 } else if ((mode == 1) && (cfg.beep_ind == B_IND_FLASH)) {
3337 /* maintain */
3338 if (flashing) {
3339 long now = GetTickCount();
3340 long fdiff = now - last_flash;
3341 if (fdiff < 0 || fdiff > 450) {
3342 last_flash = now;
3343 FlashWindow(hwnd, TRUE); /* toggle */
3344 }
3345 }
3346 }
3347 }
3348
3349 /*
3350 * Beep.
3351 */
3352 void beep(int mode)
3353 {
3354 if (mode == BELL_DEFAULT) {
3355 /*
3356 * For MessageBeep style bells, we want to be careful of
3357 * timing, because they don't have the nice property of
3358 * PlaySound bells that each one cancels the previous
3359 * active one. So we limit the rate to one per 50ms or so.
3360 */
3361 static long lastbeep = 0;
3362 long beepdiff;
3363
3364 beepdiff = GetTickCount() - lastbeep;
3365 if (beepdiff >= 0 && beepdiff < 50)
3366 return;
3367 MessageBeep(MB_OK);
3368 /*
3369 * The above MessageBeep call takes time, so we record the
3370 * time _after_ it finishes rather than before it starts.
3371 */
3372 lastbeep = GetTickCount();
3373 } else if (mode == BELL_WAVEFILE) {
3374 if (!PlaySound(cfg.bell_wavefile, NULL, SND_ASYNC | SND_FILENAME)) {
3375 char buf[sizeof(cfg.bell_wavefile) + 80];
3376 sprintf(buf, "Unable to play sound file\n%s\n"
3377 "Using default sound instead", cfg.bell_wavefile);
3378 MessageBox(hwnd, buf, "PuTTY Sound Error",
3379 MB_OK | MB_ICONEXCLAMATION);
3380 cfg.beep = BELL_DEFAULT;
3381 }
3382 }
3383 /* Otherwise, either visual bell or disabled; do nothing here */
3384 if (!has_focus) {
3385 flash_window(2); /* start */
3386 }
3387 }
Local modifications for Simon Tatham's `PuTTY' SSH client and terminal emulator