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Add the ability to do ssh by default: using -ssh command line option,
[u/mdw/putty] / window.c
CommitLineData
374330e2 1#include <windows.h>
2#include <commctrl.h>
3#include <winsock.h>
4#include <stdio.h>
5#include <stdlib.h>
6
7#define PUTTY_DO_GLOBALS /* actually _define_ globals */
8#include "putty.h"
9#include "win_res.h"
10
11#define IDM_SHOWLOG 501
12#define IDM_NEWSESS 502
13#define IDM_DUPSESS 503
14#define IDM_RECONF 504
15#define IDM_CLRSB 505
16#define IDM_RESET 506
17#define IDM_TEL_AYT 507
18#define IDM_TEL_BRK 508
19#define IDM_TEL_SYNCH 509
20#define IDM_TEL_EC 510
21#define IDM_TEL_EL 511
22#define IDM_TEL_GA 512
23#define IDM_TEL_NOP 513
24#define IDM_TEL_ABORT 514
25#define IDM_TEL_AO 515
26#define IDM_TEL_IP 516
27#define IDM_TEL_SUSP 517
28#define IDM_TEL_EOR 518
29#define IDM_TEL_EOF 519
30#define IDM_ABOUT 520
31
32#define WM_IGNORE_SIZE (WM_USER + 2)
33#define WM_IGNORE_CLIP (WM_USER + 3)
34
35static int WINAPI WndProc (HWND, UINT, WPARAM, LPARAM);
36static int TranslateKey(WPARAM wParam, LPARAM lParam, unsigned char *output);
37static void cfgtopalette(void);
38static void init_palette(void);
39static void init_fonts(void);
40
41static int extra_width, extra_height;
42
43#define FONT_NORMAL 0
44#define FONT_BOLD 1
45#define FONT_UNDERLINE 2
46#define FONT_BOLDUND 3
47#define FONT_OEM 4
48#define FONT_OEMBOLD 5
49#define FONT_OEMBOLDUND 6
50#define FONT_OEMUND 7
51static HFONT fonts[8];
52static enum {
53 BOLD_COLOURS, BOLD_SHADOW, BOLD_FONT
54} bold_mode;
55static enum {
56 UND_LINE, UND_FONT
57} und_mode;
58static int descent;
59
60#define NCOLOURS 24
61static COLORREF colours[NCOLOURS];
62static HPALETTE pal;
63static LPLOGPALETTE logpal;
64static RGBTRIPLE defpal[NCOLOURS];
65
66static HWND hwnd;
67
68static int dbltime, lasttime, lastact;
69static Mouse_Button lastbtn;
70
71static char *window_name, *icon_name;
72
73int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) {
74 static char appname[] = "PuTTY";
75 WORD winsock_ver;
76 WSADATA wsadata;
77 WNDCLASS wndclass;
78 MSG msg;
79 int guess_width, guess_height;
80
81 winsock_ver = MAKEWORD(1, 1);
82 if (WSAStartup(winsock_ver, &wsadata)) {
83 MessageBox(NULL, "Unable to initialise WinSock", "WinSock Error",
84 MB_OK | MB_ICONEXCLAMATION);
85 return 1;
86 }
87 if (LOBYTE(wsadata.wVersion) != 1 || HIBYTE(wsadata.wVersion) != 1) {
88 MessageBox(NULL, "WinSock version is incompatible with 1.1",
89 "WinSock Error", MB_OK | MB_ICONEXCLAMATION);
90 WSACleanup();
91 return 1;
92 }
93 /* WISHLIST: maybe allow config tweaking even if winsock not present? */
94
95 InitCommonControls();
96
97 /*
98 * Process the command line.
99 */
100 {
101 char *p;
102
e277c42d 103 default_protocol = DEFAULT_PROTOCOL;
104 default_port = DEFAULT_PORT;
105
374330e2 106 do_defaults(NULL);
107
108 p = cmdline;
109 while (*p && isspace(*p)) p++;
110
111 /*
e277c42d 112 * Process command line options first. Yes, this can be
113 * done better, and it will be as soon as I have the
114 * energy...
115 */
116 while (*p == '-') {
117 char *q = p + strcspn(p, " \t");
118 p++;
119 if (q == p + 3 &&
120 tolower(p[0]) == 's' &&
121 tolower(p[1]) == 's' &&
122 tolower(p[2]) == 'h') {
123 default_protocol = cfg.protocol = PROT_SSH;
124 default_port = cfg.port = 22;
125 }
126 p = q + strspn(q, " \t");
127 }
128
129 /*
374330e2 130 * An initial @ means to activate a saved session.
131 */
132 if (*p == '@') {
133 do_defaults (p+1);
134 if (!*cfg.host && !do_config()) {
135 WSACleanup();
136 return 0;
137 }
138 } else if (*p == '&') {
139 /*
140 * An initial & means we've been given a command line
141 * containing the hex value of a HANDLE for a file
142 * mapping object, which we must then extract as a
143 * config.
144 */
145 HANDLE filemap;
146 Config *cp;
147 if (sscanf(p+1, "%x", &filemap) == 1 &&
148 (cp = MapViewOfFile(filemap, FILE_MAP_READ,
149 0, 0, sizeof(Config))) != NULL) {
150 cfg = *cp;
151 UnmapViewOfFile(cp);
152 CloseHandle(filemap);
153 } else if (!do_config()) {
154 WSACleanup();
155 return 0;
156 }
157 } else if (*p) {
158 char *q = p;
159 while (*p && !isspace(*p)) p++;
160 if (*p)
161 *p++ = '\0';
162 strncpy (cfg.host, q, sizeof(cfg.host)-1);
163 cfg.host[sizeof(cfg.host)-1] = '\0';
164 while (*p && isspace(*p)) p++;
165 if (*p)
166 cfg.port = atoi(p);
167 else
168 cfg.port = -1;
169 } else {
170 if (!do_config()) {
171 WSACleanup();
172 return 0;
173 }
174 }
175 }
176
177 back = (cfg.protocol == PROT_SSH ? &ssh_backend : &telnet_backend);
178
179 if (!prev) {
180 wndclass.style = 0;
181 wndclass.lpfnWndProc = WndProc;
182 wndclass.cbClsExtra = 0;
183 wndclass.cbWndExtra = 0;
184 wndclass.hInstance = inst;
185 wndclass.hIcon = LoadIcon (inst,
186 MAKEINTRESOURCE(IDI_MAINICON));
1bb542b2 187 wndclass.hCursor = LoadCursor (NULL, IDC_IBEAM);
374330e2 188 wndclass.hbrBackground = GetStockObject (BLACK_BRUSH);
189 wndclass.lpszMenuName = NULL;
190 wndclass.lpszClassName = appname;
191
192 RegisterClass (&wndclass);
193 }
194
195 hwnd = NULL;
196
197 savelines = cfg.savelines;
198 term_init();
199
200 cfgtopalette();
201
202 /*
203 * Guess some defaults for the window size. This all gets
204 * updated later, so we don't really care too much. However, we
205 * do want the font width/height guesses to correspond to a
206 * large font rather than a small one...
207 */
208
209 font_width = 10;
210 font_height = 20;
211 extra_width = 25;
212 extra_height = 28;
213 term_size (cfg.height, cfg.width, cfg.savelines);
214 guess_width = extra_width + font_width * cols;
215 guess_height = extra_height + font_height * rows;
216 {
217 RECT r;
218 HWND w = GetDesktopWindow();
219 GetWindowRect (w, &r);
220 if (guess_width > r.right - r.left)
221 guess_width = r.right - r.left;
222 if (guess_height > r.bottom - r.top)
223 guess_height = r.bottom - r.top;
224 }
225
226 hwnd = CreateWindow (appname, appname,
227 WS_OVERLAPPEDWINDOW | WS_VSCROLL,
228 CW_USEDEFAULT, CW_USEDEFAULT,
229 guess_width, guess_height,
230 NULL, NULL, inst, NULL);
231
232 /*
233 * Initialise the fonts, simultaneously correcting the guesses
234 * for font_{width,height}.
235 */
236 bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
237 und_mode = UND_FONT;
238 init_fonts();
239
240 /*
241 * Correct the guesses for extra_{width,height}.
242 */
243 {
244 RECT cr, wr;
245 GetWindowRect (hwnd, &wr);
246 GetClientRect (hwnd, &cr);
247 extra_width = wr.right - wr.left - cr.right + cr.left;
248 extra_height = wr.bottom - wr.top - cr.bottom + cr.top;
249 }
250
251 /*
252 * Resize the window, now we know what size we _really_ want it
253 * to be.
254 */
255 guess_width = extra_width + font_width * cols;
256 guess_height = extra_height + font_height * rows;
257 SendMessage (hwnd, WM_IGNORE_SIZE, 0, 0);
258 SetWindowPos (hwnd, NULL, 0, 0, guess_width, guess_height,
259 SWP_NOMOVE | SWP_NOREDRAW | SWP_NOZORDER);
260
261 /*
262 * Initialise the scroll bar.
263 */
264 {
265 SCROLLINFO si;
266
267 si.cbSize = sizeof(si);
268 si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS | SIF_DISABLENOSCROLL;
269 si.nMin = 0;
270 si.nMax = rows-1;
271 si.nPage = rows;
272 si.nPos = 0;
273 SetScrollInfo (hwnd, SB_VERT, &si, FALSE);
274 }
275
276 /*
277 * Start up the telnet connection.
278 */
279 {
280 char *error;
281 char msg[1024];
282 char *realhost;
283
284 error = back->init (hwnd, cfg.host, cfg.port, &realhost);
285 if (error) {
286 sprintf(msg, "Unable to open connection:\n%s", error);
287 MessageBox(NULL, msg, "PuTTY Error", MB_ICONERROR | MB_OK);
288 return 0;
289 }
290 window_name = icon_name = NULL;
5ac36532 291 sprintf(msg, "%s - PuTTY", realhost);
374330e2 292 set_title (msg);
293 set_icon (msg);
294 }
295
296 /*
297 * Set up the input and output buffers.
298 */
299 inbuf_reap = inbuf_head = 0;
300 outbuf_reap = outbuf_head = 0;
301
302 /*
303 * Prepare the mouse handler.
304 */
305 lastact = MA_NOTHING;
306 lastbtn = MB_NOTHING;
307 dbltime = GetDoubleClickTime();
308
309 /*
310 * Set up the session-control options on the system menu.
311 */
312 {
313 HMENU m = GetSystemMenu (hwnd, FALSE);
314 HMENU p;
315
316 AppendMenu (m, MF_SEPARATOR, 0, 0);
317 if (cfg.protocol == PROT_TELNET) {
318 p = CreateMenu();
319 AppendMenu (p, MF_ENABLED, IDM_TEL_AYT, "Are You There");
320 AppendMenu (p, MF_ENABLED, IDM_TEL_BRK, "Break");
321 AppendMenu (p, MF_ENABLED, IDM_TEL_SYNCH, "Synch");
322 AppendMenu (p, MF_SEPARATOR, 0, 0);
323 AppendMenu (p, MF_ENABLED, IDM_TEL_EC, "Erase Character");
324 AppendMenu (p, MF_ENABLED, IDM_TEL_EL, "Erase Line");
325 AppendMenu (p, MF_ENABLED, IDM_TEL_GA, "Go Ahead");
326 AppendMenu (p, MF_ENABLED, IDM_TEL_NOP, "No Operation");
327 AppendMenu (p, MF_SEPARATOR, 0, 0);
328 AppendMenu (p, MF_ENABLED, IDM_TEL_ABORT, "Abort Process");
329 AppendMenu (p, MF_ENABLED, IDM_TEL_AO, "Abort Output");
330 AppendMenu (p, MF_ENABLED, IDM_TEL_IP, "Interrupt Process");
331 AppendMenu (p, MF_ENABLED, IDM_TEL_SUSP, "Suspend Process");
332 AppendMenu (p, MF_SEPARATOR, 0, 0);
333 AppendMenu (p, MF_ENABLED, IDM_TEL_EOR, "End Of Record");
334 AppendMenu (p, MF_ENABLED, IDM_TEL_EOF, "End Of File");
335 AppendMenu (m, MF_POPUP | MF_ENABLED, (UINT) p, "Telnet Command");
336 AppendMenu (m, MF_ENABLED, IDM_SHOWLOG, "Show Negotiation");
337 AppendMenu (m, MF_SEPARATOR, 0, 0);
338 }
339 AppendMenu (m, MF_ENABLED, IDM_NEWSESS, "New Session");
340 AppendMenu (m, MF_ENABLED, IDM_DUPSESS, "Duplicate Session");
341 AppendMenu (m, MF_ENABLED, IDM_RECONF, "Change Settings");
342 AppendMenu (m, MF_SEPARATOR, 0, 0);
343 AppendMenu (m, MF_ENABLED, IDM_CLRSB, "Clear Scrollback");
344 AppendMenu (m, MF_ENABLED, IDM_RESET, "Reset Terminal");
345 AppendMenu (m, MF_SEPARATOR, 0, 0);
346 AppendMenu (m, MF_ENABLED, IDM_ABOUT, "About PuTTY");
347 }
348
349 /*
350 * Finally show the window!
351 */
352 ShowWindow (hwnd, show);
353
354 /*
355 * Set the palette up.
356 */
357 pal = NULL;
358 logpal = NULL;
359 init_palette();
360
361 has_focus = (GetForegroundWindow() == hwnd);
362 UpdateWindow (hwnd);
363
364 while (GetMessage (&msg, NULL, 0, 0)) {
365 DispatchMessage (&msg);
366 if (inbuf_reap != inbuf_head)
367 term_out();
368 /* In idle moments, do a full screen update */
369 if (!PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
370 term_update();
371 }
372
373 /*
374 * Clean up.
375 */
376 {
377 int i;
378 for (i=0; i<8; i++)
379 if (fonts[i])
380 DeleteObject(fonts[i]);
381 }
382 sfree(logpal);
383 if (pal)
384 DeleteObject(pal);
385 WSACleanup();
386
387 if (cfg.protocol == PROT_SSH)
388 random_save_seed();
389
390 return msg.wParam;
391}
392
393/*
394 * Copy the colour palette from the configuration data into defpal.
395 * This is non-trivial because the colour indices are different.
396 */
397static void cfgtopalette(void) {
398 int i;
399 static const int ww[] = {
400 6, 7, 8, 9, 10, 11, 12, 13,
401 14, 15, 16, 17, 18, 19, 20, 21,
402 0, 1, 2, 3, 4, 4, 5, 5
403 };
404
405 for (i=0; i<24; i++) {
406 int w = ww[i];
407 defpal[i].rgbtRed = cfg.colours[w][0];
408 defpal[i].rgbtGreen = cfg.colours[w][1];
409 defpal[i].rgbtBlue = cfg.colours[w][2];
410 }
411}
412
413/*
414 * Set up the colour palette.
415 */
416static void init_palette(void) {
417 int i;
418 HDC hdc = GetDC (hwnd);
419 if (hdc) {
420 if (cfg.try_palette &&
421 GetDeviceCaps (hdc, RASTERCAPS) & RC_PALETTE) {
422 logpal = smalloc(sizeof(*logpal)
423 - sizeof(logpal->palPalEntry)
424 + NCOLOURS * sizeof(PALETTEENTRY));
425 logpal->palVersion = 0x300;
426 logpal->palNumEntries = NCOLOURS;
427 for (i = 0; i < NCOLOURS; i++) {
428 logpal->palPalEntry[i].peRed = defpal[i].rgbtRed;
429 logpal->palPalEntry[i].peGreen = defpal[i].rgbtGreen;
430 logpal->palPalEntry[i].peBlue = defpal[i].rgbtBlue;
431 logpal->palPalEntry[i].peFlags = PC_NOCOLLAPSE;
432 }
433 pal = CreatePalette (logpal);
434 if (pal) {
435 SelectPalette (hdc, pal, FALSE);
436 RealizePalette (hdc);
437 SelectPalette (hdc, GetStockObject (DEFAULT_PALETTE),
438 FALSE);
439 }
440 }
441 ReleaseDC (hwnd, hdc);
442 }
443 if (pal)
444 for (i=0; i<NCOLOURS; i++)
445 colours[i] = PALETTERGB(defpal[i].rgbtRed,
446 defpal[i].rgbtGreen,
447 defpal[i].rgbtBlue);
448 else
449 for(i=0; i<NCOLOURS; i++)
450 colours[i] = RGB(defpal[i].rgbtRed,
451 defpal[i].rgbtGreen,
452 defpal[i].rgbtBlue);
453}
454
455/*
456 * Initialise all the fonts we will need. There may be as many as
457 * eight or as few as one. We also:
458 *
459 * - check the font width and height, correcting our guesses if
460 * necessary.
461 *
462 * - verify that the bold font is the same width as the ordinary
463 * one, and engage shadow bolding if not.
464 *
465 * - verify that the underlined font is the same width as the
466 * ordinary one (manual underlining by means of line drawing can
467 * be done in a pinch).
468 *
469 * - verify, in OEM/ANSI combined mode, that the OEM and ANSI base
470 * fonts are the same size, and shift to OEM-only mode if not.
471 */
472static void init_fonts(void) {
473 TEXTMETRIC tm;
474 int i, j;
475 int widths[5];
476 HDC hdc;
477 int fw_dontcare, fw_bold;
478
479 for (i=0; i<8; i++)
480 fonts[i] = NULL;
481
482 if (cfg.fontisbold) {
483 fw_dontcare = FW_BOLD;
484 fw_bold = FW_BLACK;
485 } else {
486 fw_dontcare = FW_DONTCARE;
487 fw_bold = FW_BOLD;
488 }
489
490#define f(i,c,w,u) \
491 fonts[i] = CreateFont (cfg.fontheight, 0, 0, 0, w, FALSE, u, FALSE, \
492 c, OUT_DEFAULT_PRECIS, \
493 CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, \
494 FIXED_PITCH | FF_DONTCARE, cfg.font)
495 if (cfg.vtmode != VT_OEMONLY) {
496 f(FONT_NORMAL, ANSI_CHARSET, fw_dontcare, FALSE);
497 f(FONT_UNDERLINE, ANSI_CHARSET, fw_dontcare, TRUE);
498 }
499 if (cfg.vtmode == VT_OEMANSI || cfg.vtmode == VT_OEMONLY) {
500 f(FONT_OEM, OEM_CHARSET, fw_dontcare, FALSE);
501 f(FONT_OEMUND, OEM_CHARSET, fw_dontcare, TRUE);
502 }
503 if (bold_mode == BOLD_FONT) {
504 if (cfg.vtmode != VT_OEMONLY) {
505 f(FONT_BOLD, ANSI_CHARSET, fw_bold, FALSE);
506 f(FONT_BOLDUND, ANSI_CHARSET, fw_bold, TRUE);
507 }
508 if (cfg.vtmode == VT_OEMANSI || cfg.vtmode == VT_OEMONLY) {
509 f(FONT_OEMBOLD, OEM_CHARSET, fw_bold, FALSE);
510 f(FONT_OEMBOLDUND, OEM_CHARSET, fw_bold, TRUE);
511 }
512 } else {
513 fonts[FONT_BOLD] = fonts[FONT_BOLDUND] = NULL;
514 fonts[FONT_OEMBOLD] = fonts[FONT_OEMBOLDUND] = NULL;
515 }
516#undef f
517
518 hdc = GetDC(hwnd);
519
520 if (cfg.vtmode == VT_OEMONLY)
521 j = 4;
522 else
523 j = 0;
524
525 for (i=0; i<(cfg.vtmode == VT_OEMANSI ? 5 : 4); i++) {
526 if (fonts[i+j]) {
527 SelectObject (hdc, fonts[i+j]);
528 GetTextMetrics(hdc, &tm);
529 if (i == 0 || i == 4) {
530 font_height = tm.tmHeight;
531 font_width = tm.tmAveCharWidth;
532 descent = tm.tmAscent + 1;
533 if (descent >= font_height)
534 descent = font_height - 1;
535 }
536 widths[i] = tm.tmAveCharWidth;
537 }
538 }
539
540 ReleaseDC (hwnd, hdc);
541
542 if (widths[FONT_UNDERLINE] != widths[FONT_NORMAL] ||
543 (bold_mode == BOLD_FONT &&
544 widths[FONT_BOLDUND] != widths[FONT_BOLD])) {
545 und_mode = UND_LINE;
546 DeleteObject (fonts[FONT_UNDERLINE]);
547 if (bold_mode == BOLD_FONT)
548 DeleteObject (fonts[FONT_BOLDUND]);
549 }
550
551 if (bold_mode == BOLD_FONT &&
552 widths[FONT_BOLD] != widths[FONT_NORMAL]) {
553 bold_mode = BOLD_SHADOW;
554 DeleteObject (fonts[FONT_BOLD]);
555 if (und_mode == UND_FONT)
556 DeleteObject (fonts[FONT_BOLDUND]);
557 }
558
559 if (cfg.vtmode == VT_OEMANSI && widths[FONT_OEM] != widths[FONT_NORMAL]) {
560 MessageBox(NULL, "The OEM and ANSI versions of this font are\n"
561 "different sizes. Using OEM-only mode instead",
562 "Font Size Mismatch", MB_ICONINFORMATION | MB_OK);
563 cfg.vtmode = VT_OEMONLY;
564 for (i=0; i<4; i++)
565 if (fonts[i])
566 DeleteObject (fonts[i]);
567 }
568}
569
570void request_resize (int w, int h) {
571 int width = extra_width + font_width * w;
572 int height = extra_height + font_height * h;
573
574 SetWindowPos (hwnd, NULL, 0, 0, width, height,
575 SWP_NOACTIVATE | SWP_NOCOPYBITS |
576 SWP_NOMOVE | SWP_NOZORDER);
577}
578
579static void click (Mouse_Button b, int x, int y) {
fdedf2c8 580 int thistime = GetMessageTime();
581
582 if (lastbtn == b && thistime - lasttime < dbltime) {
374330e2 583 lastact = (lastact == MA_CLICK ? MA_2CLK :
584 lastact == MA_2CLK ? MA_3CLK :
585 lastact == MA_3CLK ? MA_CLICK : MA_NOTHING);
586 } else {
587 lastbtn = b;
588 lastact = MA_CLICK;
589 }
590 if (lastact != MA_NOTHING)
591 term_mouse (b, lastact, x, y);
fdedf2c8 592 lasttime = thistime;
374330e2 593}
594
595static int WINAPI WndProc (HWND hwnd, UINT message,
596 WPARAM wParam, LPARAM lParam) {
597 HDC hdc;
598 static int ignore_size = FALSE;
599 static int ignore_clip = FALSE;
600 static int just_reconfigged = FALSE;
601
602 switch (message) {
603 case WM_CREATE:
604 break;
605 case WM_DESTROY:
606 PostQuitMessage (0);
607 return 0;
608 case WM_SYSCOMMAND:
609 switch (wParam) {
610 case IDM_SHOWLOG:
611 shownegot(hwnd);
612 break;
613 case IDM_NEWSESS:
614 case IDM_DUPSESS:
615 {
616 char b[2048];
617 char c[30], *cl;
618 STARTUPINFO si;
619 PROCESS_INFORMATION pi;
620 HANDLE filemap = NULL;
621
622 if (wParam == IDM_DUPSESS) {
623 /*
624 * Allocate a file-mapping memory chunk for the
625 * config structure.
626 */
627 SECURITY_ATTRIBUTES sa;
628 Config *p;
629
630 sa.nLength = sizeof(sa);
631 sa.lpSecurityDescriptor = NULL;
632 sa.bInheritHandle = TRUE;
633 filemap = CreateFileMapping((HANDLE)0xFFFFFFFF,
634 &sa,
635 PAGE_READWRITE,
636 0,
637 sizeof(Config),
638 NULL);
639 if (filemap) {
640 p = (Config *)MapViewOfFile(filemap,
641 FILE_MAP_WRITE,
642 0, 0, sizeof(Config));
643 if (p) {
644 *p = cfg; /* structure copy */
645 UnmapViewOfFile(p);
646 }
647 }
648 sprintf(c, "putty &%08x", filemap);
649 cl = c;
650 } else
651 cl = NULL;
652
653 GetModuleFileName (NULL, b, sizeof(b)-1);
654 si.cb = sizeof(si);
655 si.lpReserved = NULL;
656 si.lpDesktop = NULL;
657 si.lpTitle = NULL;
658 si.dwFlags = 0;
659 si.cbReserved2 = 0;
660 si.lpReserved2 = NULL;
661 CreateProcess (b, cl, NULL, NULL, TRUE,
662 NORMAL_PRIORITY_CLASS, NULL, NULL, &si, &pi);
663
664 if (filemap)
665 CloseHandle(filemap);
666 }
667 break;
668 case IDM_RECONF:
669 if (!do_reconfig(hwnd))
670 break;
671 just_reconfigged = TRUE;
672 {
673 int i;
674 for (i=0; i<8; i++)
675 if (fonts[i])
676 DeleteObject(fonts[i]);
677 }
678 bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
679 und_mode = UND_FONT;
680 init_fonts();
681 sfree(logpal);
682 if (pal)
683 DeleteObject(pal);
684 logpal = NULL;
685 pal = NULL;
686 cfgtopalette();
687 init_palette();
688 term_size(cfg.height, cfg.width, cfg.savelines);
689 InvalidateRect(hwnd, NULL, TRUE);
690 SetWindowPos (hwnd, NULL, 0, 0,
691 extra_width + font_width * cfg.width,
692 extra_height + font_height * cfg.height,
693 SWP_NOACTIVATE | SWP_NOCOPYBITS |
694 SWP_NOMOVE | SWP_NOZORDER);
695 if (IsIconic(hwnd)) {
696 SetWindowText (hwnd,
697 cfg.win_name_always ? window_name : icon_name);
698 }
699 break;
700 case IDM_CLRSB:
701 term_clrsb();
702 break;
703 case IDM_RESET:
704 term_pwron();
705 break;
706 case IDM_TEL_AYT: back->special (TS_AYT); break;
707 case IDM_TEL_BRK: back->special (TS_BRK); break;
708 case IDM_TEL_SYNCH: back->special (TS_SYNCH); break;
709 case IDM_TEL_EC: back->special (TS_EC); break;
710 case IDM_TEL_EL: back->special (TS_EL); break;
711 case IDM_TEL_GA: back->special (TS_GA); break;
712 case IDM_TEL_NOP: back->special (TS_NOP); break;
713 case IDM_TEL_ABORT: back->special (TS_ABORT); break;
714 case IDM_TEL_AO: back->special (TS_AO); break;
715 case IDM_TEL_IP: back->special (TS_IP); break;
716 case IDM_TEL_SUSP: back->special (TS_SUSP); break;
717 case IDM_TEL_EOR: back->special (TS_EOR); break;
718 case IDM_TEL_EOF: back->special (TS_EOF); break;
719 case IDM_ABOUT:
720 showabout (hwnd);
721 break;
722 }
723 break;
37508af4 724
725#define X_POS(l) ((int)(short)LOWORD(l))
726#define Y_POS(l) ((int)(short)HIWORD(l))
727
fdedf2c8 728#define TO_CHR_X(x) (((x)<0 ? (x)-font_width+1 : (x)) / font_width)
729#define TO_CHR_Y(y) (((y)<0 ? (y)-font_height+1: (y)) / font_height)
730
374330e2 731 case WM_LBUTTONDOWN:
fdedf2c8 732 click (MB_SELECT, TO_CHR_X(X_POS(lParam)),
733 TO_CHR_Y(Y_POS(lParam)));
fef97f43 734 SetCapture(hwnd);
374330e2 735 return 0;
736 case WM_LBUTTONUP:
fdedf2c8 737 term_mouse (MB_SELECT, MA_RELEASE, TO_CHR_X(X_POS(lParam)),
738 TO_CHR_Y(Y_POS(lParam)));
37508af4 739 ReleaseCapture();
374330e2 740 return 0;
741 case WM_MBUTTONDOWN:
37508af4 742 SetCapture(hwnd);
374330e2 743 click (cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND,
fdedf2c8 744 TO_CHR_X(X_POS(lParam)),
745 TO_CHR_Y(Y_POS(lParam)));
374330e2 746 return 0;
747 case WM_MBUTTONUP:
748 term_mouse (cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND,
fdedf2c8 749 MA_RELEASE, TO_CHR_X(X_POS(lParam)),
750 TO_CHR_Y(Y_POS(lParam)));
37508af4 751 ReleaseCapture();
a0b1cefc 752 return 0;
374330e2 753 case WM_RBUTTONDOWN:
37508af4 754 SetCapture(hwnd);
374330e2 755 click (cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE,
fdedf2c8 756 TO_CHR_X(X_POS(lParam)),
757 TO_CHR_Y(Y_POS(lParam)));
374330e2 758 return 0;
759 case WM_RBUTTONUP:
760 term_mouse (cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE,
fdedf2c8 761 MA_RELEASE, TO_CHR_X(X_POS(lParam)),
762 TO_CHR_Y(Y_POS(lParam)));
37508af4 763 ReleaseCapture();
374330e2 764 return 0;
765 case WM_MOUSEMOVE:
766 /*
767 * Add the mouse position and message time to the random
768 * number noise, if we're using ssh.
769 */
770 if (cfg.protocol == PROT_SSH)
771 noise_ultralight(lParam);
772
773 if (wParam & (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON)) {
774 Mouse_Button b;
775 if (wParam & MK_LBUTTON)
776 b = MB_SELECT;
777 else if (wParam & MK_MBUTTON)
778 b = cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND;
779 else
780 b = cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE;
fdedf2c8 781 term_mouse (b, MA_DRAG, TO_CHR_X(X_POS(lParam)),
782 TO_CHR_Y(Y_POS(lParam)));
374330e2 783 }
374330e2 784 return 0;
785 case WM_IGNORE_CLIP:
786 ignore_clip = wParam; /* don't panic on DESTROYCLIPBOARD */
787 break;
788 case WM_DESTROYCLIPBOARD:
789 if (!ignore_clip)
790 term_deselect();
791 ignore_clip = FALSE;
792 return 0;
793 case WM_PAINT:
794 {
795 PAINTSTRUCT p;
796 hdc = BeginPaint (hwnd, &p);
797 if (pal) {
798 SelectPalette (hdc, pal, TRUE);
799 RealizePalette (hdc);
800 }
801 term_paint (hdc, p.rcPaint.left, p.rcPaint.top,
802 p.rcPaint.right, p.rcPaint.bottom);
803 SelectObject (hdc, GetStockObject(SYSTEM_FONT));
804 SelectObject (hdc, GetStockObject(WHITE_PEN));
805 EndPaint (hwnd, &p);
806 }
807 return 0;
808 case WM_NETEVENT:
809 {
810 int i = back->msg (wParam, lParam);
811 if (i < 0) {
812 char buf[1024];
813 switch (WSABASEERR + (-i) % 10000) {
814 case WSAECONNRESET:
815 sprintf(buf, "Connection reset by peer");
816 break;
817 default:
818 sprintf(buf, "Unexpected network error %d", -i);
819 break;
820 }
821 MessageBox(hwnd, buf, "PuTTY Fatal Error",
822 MB_ICONERROR | MB_OK);
823 PostQuitMessage(1);
824 } else if (i == 0) {
825 if (cfg.close_on_exit)
826 PostQuitMessage(0);
827 else {
828 MessageBox(hwnd, "Connection closed by remote host",
829 "PuTTY", MB_OK | MB_ICONINFORMATION);
830 SetWindowText (hwnd, "PuTTY (inactive)");
831 }
832 }
833 }
834 return 0;
835 case WM_SETFOCUS:
836 has_focus = TRUE;
837 term_out();
838 term_update();
839 break;
840 case WM_KILLFOCUS:
841 has_focus = FALSE;
842 term_out();
843 term_update();
844 break;
845 case WM_IGNORE_SIZE:
846 ignore_size = TRUE; /* don't panic on next WM_SIZE msg */
847 break;
848 case WM_SIZING:
849 {
850 int width, height, w, h, ew, eh;
851 LPRECT r = (LPRECT)lParam;
852
853 width = r->right - r->left - extra_width;
854 height = r->bottom - r->top - extra_height;
855 w = (width + font_width/2) / font_width; if (w < 1) w = 1;
856 h = (height + font_height/2) / font_height; if (h < 1) h = 1;
857 ew = width - w * font_width;
858 eh = height - h * font_height;
859 if (ew != 0) {
860 if (wParam == WMSZ_LEFT ||
861 wParam == WMSZ_BOTTOMLEFT ||
862 wParam == WMSZ_TOPLEFT)
863 r->left += ew;
864 else
865 r->right -= ew;
866 }
867 if (eh != 0) {
868 if (wParam == WMSZ_TOP ||
869 wParam == WMSZ_TOPRIGHT ||
870 wParam == WMSZ_TOPLEFT)
871 r->top += eh;
872 else
873 r->bottom -= eh;
874 }
875 if (ew || eh)
876 return 1;
877 else
878 return 0;
879 }
880 break;
881 case WM_SIZE:
882 if (wParam == SIZE_MINIMIZED) {
883 SetWindowText (hwnd,
884 cfg.win_name_always ? window_name : icon_name);
885 break;
886 }
887 if (wParam == SIZE_RESTORED || wParam == SIZE_MAXIMIZED)
888 SetWindowText (hwnd, window_name);
889 if (!ignore_size) {
1a6f78fe 890 int width, height, w, h;
891#if 0 /* we have fixed this using WM_SIZING now */
892 int ew, eh;
893#endif
374330e2 894
895 width = LOWORD(lParam);
896 height = HIWORD(lParam);
897 w = width / font_width; if (w < 1) w = 1;
898 h = height / font_height; if (h < 1) h = 1;
899#if 0 /* we have fixed this using WM_SIZING now */
900 ew = width - w * font_width;
901 eh = height - h * font_height;
902 if (ew != 0 || eh != 0) {
903 RECT r;
904 GetWindowRect (hwnd, &r);
905 SendMessage (hwnd, WM_IGNORE_SIZE, 0, 0);
906 SetWindowPos (hwnd, NULL, 0, 0,
907 r.right - r.left - ew, r.bottom - r.top - eh,
908 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
909 }
910#endif
911 if (w != cols || h != rows || just_reconfigged) {
912 term_invalidate();
913 term_size (h, w, cfg.savelines);
914 back->size();
915 just_reconfigged = FALSE;
916 }
917 }
918 ignore_size = FALSE;
919 return 0;
920 case WM_VSCROLL:
921 switch (LOWORD(wParam)) {
922 case SB_BOTTOM: term_scroll(-1, 0); break;
923 case SB_TOP: term_scroll(+1, 0); break;
924 case SB_LINEDOWN: term_scroll (0, +1); break;
925 case SB_LINEUP: term_scroll (0, -1); break;
926 case SB_PAGEDOWN: term_scroll (0, +rows/2); break;
927 case SB_PAGEUP: term_scroll (0, -rows/2); break;
928 case SB_THUMBPOSITION: case SB_THUMBTRACK:
929 term_scroll (1, HIWORD(wParam)); break;
930 }
931 break;
932 case WM_PALETTECHANGED:
933 if ((HWND) wParam != hwnd && pal != NULL) {
934 HDC hdc = get_ctx();
935 if (hdc) {
936 if (RealizePalette (hdc) > 0)
937 UpdateColors (hdc);
938 free_ctx (hdc);
939 }
940 }
941 break;
942 case WM_QUERYNEWPALETTE:
943 if (pal != NULL) {
944 HDC hdc = get_ctx();
945 if (hdc) {
946 if (RealizePalette (hdc) > 0)
947 UpdateColors (hdc);
948 free_ctx (hdc);
949 return TRUE;
950 }
951 }
952 return FALSE;
953 case WM_KEYDOWN:
954 case WM_SYSKEYDOWN:
955 /*
956 * Add the scan code and keypress timing to the random
957 * number noise, if we're using ssh.
958 */
959 if (cfg.protocol == PROT_SSH)
960 noise_ultralight(lParam);
961
962 /*
963 * We don't do TranslateMessage since it disassociates the
964 * resulting CHAR message from the KEYDOWN that sparked it,
965 * which we occasionally don't want. Instead, we process
966 * KEYDOWN, and call the Win32 translator functions so that
967 * we get the translations under _our_ control.
968 */
969 {
970 unsigned char buf[20];
971 int len;
972
973 len = TranslateKey (wParam, lParam, buf);
974 back->send (buf, len);
975 }
976 return 0;
67c339f7 977 case WM_KEYUP:
978 case WM_SYSKEYUP:
979 /*
980 * We handle KEYUP ourselves in order to distinghish left
981 * and right Alt or Control keys, which Windows won't do
982 * right if left to itself. See also the special processing
983 * at the top of TranslateKey.
984 */
985 {
986 BYTE keystate[256];
987 int ret = GetKeyboardState(keystate);
988 if (ret && wParam == VK_MENU) {
989 if (lParam & 0x1000000) keystate[VK_RMENU] = 0;
990 else keystate[VK_LMENU] = 0;
991 SetKeyboardState (keystate);
992 }
993 if (ret && wParam == VK_CONTROL) {
994 if (lParam & 0x1000000) keystate[VK_RCONTROL] = 0;
995 else keystate[VK_LCONTROL] = 0;
996 SetKeyboardState (keystate);
997 }
998 }
999 /*
1000 * We don't return here, in order to allow Windows to do
1001 * its own KEYUP processing as well.
1002 */
1003 break;
374330e2 1004 case WM_CHAR:
1005 case WM_SYSCHAR:
1006 /*
1007 * Nevertheless, we are prepared to deal with WM_CHAR
1008 * messages, should they crop up. So if someone wants to
1009 * post the things to us as part of a macro manoeuvre,
1010 * we're ready to cope.
1011 */
1012 {
1013 char c = wParam;
1014 back->send (&c, 1);
1015 }
1016 return 0;
1017 }
1018
1019 return DefWindowProc (hwnd, message, wParam, lParam);
1020}
1021
1022/*
1023 * Draw a line of text in the window, at given character
1024 * coordinates, in given attributes.
1025 *
1026 * We are allowed to fiddle with the contents of `text'.
1027 */
1028void do_text (Context ctx, int x, int y, char *text, int len,
1029 unsigned long attr) {
1030 COLORREF fg, bg, t;
1031 int nfg, nbg, nfont;
1032 HDC hdc = ctx;
1033
1034 x *= font_width;
1035 y *= font_height;
1036
1037 if (attr & ATTR_ACTCURS) {
1038 attr &= (bold_mode == BOLD_COLOURS ? 0x200 : 0x300);
1039 attr ^= ATTR_CUR_XOR;
1040 }
1041
1042 nfont = 0;
1043 if (cfg.vtmode == VT_OEMONLY)
1044 nfont |= FONT_OEM;
1045
1046 /*
1047 * Map high-half characters in order to approximate ISO using
1048 * OEM character set. Characters missing are 0xC3 (Atilde) and
1049 * 0xCC (Igrave).
1050 */
1051 if (nfont & FONT_OEM) {
1052 int i;
1053 for (i=0; i<len; i++)
1054 if (text[i] >= '\xA0' && text[i] <= '\xFF') {
1055 static const char oemhighhalf[] =
1056 "\x20\xAD\xBD\x9C\xCF\xBE\xDD\xF5" /* A0-A7 */
1057 "\xF9\xB8\xA6\xAE\xAA\xF0\xA9\xEE" /* A8-AF */
1058 "\xF8\xF1\xFD\xFC\xEF\xE6\xF4\xFA" /* B0-B7 */
1059 "\xF7\xFB\xA7\xAF\xAC\xAB\xF3\xA8" /* B8-BF */
1060 "\xB7\xB5\xB6\x41\x8E\x8F\x92\x80" /* C0-C7 */
1061 "\xD4\x90\xD2\xD3\x49\xD6\xD7\xD8" /* C8-CF */
1062 "\xD1\xA5\xE3\xE0\xE2\xE5\x99\x9E" /* D0-D7 */
1063 "\x9D\xEB\xE9\xEA\x9A\xED\xE8\xE1" /* D8-DF */
1064 "\x85\xA0\x83\xC6\x84\x86\x91\x87" /* E0-E7 */
1065 "\x8A\x82\x88\x89\x8D\xA1\x8C\x8B" /* E8-EF */
1066 "\xD0\xA4\x95\xA2\x93\xE4\x94\xF6" /* F0-F7 */
1067 "\x9B\x97\xA3\x96\x81\xEC\xE7\x98" /* F8-FF */
1068 ;
1069 text[i] = oemhighhalf[(unsigned char)text[i] - 0xA0];
1070 }
1071 }
1072
1073 if (attr & ATTR_GBCHR) {
1074 int i;
1075 /*
1076 * GB mapping: map # to pound, and everything else stays
1077 * normal.
1078 */
1079 for (i=0; i<len; i++)
1080 if (text[i] == '#')
1081 text[i] = cfg.vtmode == VT_OEMONLY ? '\x9C' : '\xA3';
1082 } else if (attr & ATTR_LINEDRW) {
1083 int i;
1084 static const char poorman[] =
1085 "*#****\xB0\xB1**+++++-----++++|****\xA3\xB7";
1086 static const char oemmap[] =
1087 "*\xB1****\xF8\xF1**\xD9\xBF\xDA\xC0\xC5"
1088 "\xC4\xC4\xC4\xC4\xC4\xC3\xB4\xC1\xC2\xB3****\x9C\xFA";
1089
1090 /*
1091 * Line drawing mapping: map ` thru ~ (0x60 thru 0x7E) to
1092 * VT100 line drawing chars; everything else stays normal.
1093 */
1094 switch (cfg.vtmode) {
1095 case VT_XWINDOWS:
1096 for (i=0; i<len; i++)
1097 if (text[i] >= '\x60' && text[i] <= '\x7E')
1098 text[i] += '\x01' - '\x60';
1099 break;
1100 case VT_OEMANSI:
1101 case VT_OEMONLY:
1102 nfont |= FONT_OEM;
1103 for (i=0; i<len; i++)
1104 if (text[i] >= '\x60' && text[i] <= '\x7E')
1105 text[i] = oemmap[(unsigned char)text[i] - 0x60];
1106 break;
1107 case VT_POORMAN:
1108 for (i=0; i<len; i++)
1109 if (text[i] >= '\x60' && text[i] <= '\x7E')
1110 text[i] = poorman[(unsigned char)text[i] - 0x60];
1111 break;
1112 }
1113 }
1114
1115 nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
1116 nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
1117 if (bold_mode == BOLD_FONT && (attr & ATTR_BOLD))
1118 nfont |= FONT_BOLD;
1119 if (und_mode == UND_FONT && (attr & ATTR_UNDER))
1120 nfont |= FONT_UNDERLINE;
1121 if (attr & ATTR_REVERSE) {
1122 t = nfg; nfg = nbg; nbg = t;
1123 }
1124 if (bold_mode == BOLD_COLOURS && (attr & ATTR_BOLD))
1125 nfg++;
1126 fg = colours[nfg];
1127 bg = colours[nbg];
1128 SelectObject (hdc, fonts[nfont]);
1129 SetTextColor (hdc, fg);
1130 SetBkColor (hdc, bg);
1131 SetBkMode (hdc, OPAQUE);
1132 TextOut (hdc, x, y, text, len);
1133 if (bold_mode == BOLD_SHADOW && (attr & ATTR_BOLD)) {
1134 SetBkMode (hdc, TRANSPARENT);
1135 TextOut (hdc, x-1, y, text, len);
1136 }
1137 if (und_mode == UND_LINE && (attr & ATTR_UNDER)) {
1a6f78fe 1138 HPEN oldpen;
1139 oldpen = SelectObject (hdc, CreatePen(PS_SOLID, 0, fg));
374330e2 1140 MoveToEx (hdc, x, y+descent, NULL);
1141 LineTo (hdc, x+len*font_width, y+descent);
1a6f78fe 1142 oldpen = SelectObject (hdc, oldpen);
1143 DeleteObject (oldpen);
374330e2 1144 }
1145 if (attr & ATTR_PASCURS) {
1146 POINT pts[5];
1a6f78fe 1147 HPEN oldpen;
374330e2 1148 pts[0].x = pts[1].x = pts[4].x = x;
1149 pts[2].x = pts[3].x = x+font_width-1;
1150 pts[0].y = pts[3].y = pts[4].y = y;
1151 pts[1].y = pts[2].y = y+font_height-1;
1a6f78fe 1152 oldpen = SelectObject (hdc, CreatePen(PS_SOLID, 0, colours[23]));
374330e2 1153 Polyline (hdc, pts, 5);
1a6f78fe 1154 oldpen = SelectObject (hdc, oldpen);
1155 DeleteObject (oldpen);
374330e2 1156 }
1157}
1158
1159/*
1160 * Translate a WM_(SYS)?KEYDOWN message into a string of ASCII
1161 * codes. Returns number of bytes used.
1162 */
1163static int TranslateKey(WPARAM wParam, LPARAM lParam, unsigned char *output) {
1164 unsigned char *p = output;
1165 BYTE keystate[256];
1166 int ret, code;
67c339f7 1167 int cancel_alt = FALSE;
374330e2 1168
1169 /*
1170 * Get hold of the keyboard state, because we'll need it a few
1171 * times shortly.
1172 */
1173 ret = GetKeyboardState(keystate);
1174
67c339f7 1175 /*
1176 * Windows does not always want to distinguish left and right
1177 * Alt or Control keys. Thus we keep track of them ourselves.
1178 * See also the WM_KEYUP handler.
1179 */
1180 if (wParam == VK_MENU) {
1181 if (lParam & 0x1000000) keystate[VK_RMENU] = 0x80;
1182 else keystate[VK_LMENU] = 0x80;
1183 SetKeyboardState (keystate);
1184 return 0;
1185 }
1186 if (wParam == VK_CONTROL) {
1187 if (lParam & 0x1000000) keystate[VK_RCONTROL] = 0x80;
1188 else keystate[VK_LCONTROL] = 0x80;
1189 SetKeyboardState (keystate);
1190 return 0;
1191 }
1192
1193 /*
1194 * Prepend ESC, and cancel ALT, if ALT was pressed at the time
1195 * and it wasn't AltGr.
1196 */
1197 if (lParam & 0x20000000 && (keystate[VK_LMENU] & 0x80)) {
1198 *p++ = 0x1B;
1199 cancel_alt = TRUE;
1200 }
1201
374330e2 1202 /*
1203 * Shift-PgUp, Shift-PgDn, and Alt-F4 all produce window
1204 * events: we'll deal with those now.
1205 */
1206 if (ret && (keystate[VK_SHIFT] & 0x80) && wParam == VK_PRIOR) {
1207 SendMessage (hwnd, WM_VSCROLL, SB_PAGEUP, 0);
1208 return 0;
1209 }
1210 if (ret && (keystate[VK_SHIFT] & 0x80) && wParam == VK_NEXT) {
1211 SendMessage (hwnd, WM_VSCROLL, SB_PAGEDOWN, 0);
1212 return 0;
1213 }
1214 if ((lParam & 0x20000000) && wParam == VK_F4) {
1215 SendMessage (hwnd, WM_DESTROY, 0, 0);
1216 return 0;
1217 }
1218
1219 /*
1220 * In general, the strategy is to see what the Windows keymap
1221 * translation has to say for itself, and then process function
1222 * keys and suchlike ourselves if that fails. But first we must
1223 * deal with the small number of special cases which the
1224 * Windows keymap translator thinks it can do but gets wrong.
1225 *
1226 * First special case: we might want the Backspace key to send
1227 * 0x7F not 0x08.
1228 */
1229 if (wParam == VK_BACK) {
1230 *p++ = (cfg.bksp_is_delete ? 0x7F : 0x08);
1231 return p - output;
1232 }
1233
1234 /*
1235 * Control-Space should send ^@ (0x00), not Space.
1236 */
1237 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == VK_SPACE) {
1238 *p++ = 0x00;
1239 return p - output;
1240 }
1241
1242 /*
1243 * If we're in applications keypad mode, we have to process it
1244 * before char-map translation, because it will pre-empt lots
1245 * of stuff, even if NumLock is off.
1246 */
1247 if (app_keypad_keys) {
1248 if (ret) {
1249 /*
1250 * Hack to ensure NumLock doesn't interfere with
1251 * perception of Shift for Keypad Plus. I don't pretend
1252 * to understand this, but it seems to work as is.
1253 * Leave it alone, or die.
1254 */
1255 keystate[VK_NUMLOCK] = 0;
1256 SetKeyboardState (keystate);
1257 GetKeyboardState (keystate);
1258 }
1259 switch ( (lParam >> 16) & 0x1FF ) {
1260 case 0x145: p += sprintf((char *)p, "\x1BOP"); return p - output;
1261 case 0x135: p += sprintf((char *)p, "\x1BOQ"); return p - output;
1262 case 0x037: p += sprintf((char *)p, "\x1BOR"); return p - output;
1263 case 0x047: p += sprintf((char *)p, "\x1BOw"); return p - output;
1264 case 0x048: p += sprintf((char *)p, "\x1BOx"); return p - output;
1265 case 0x049: p += sprintf((char *)p, "\x1BOy"); return p - output;
1266 case 0x04A: p += sprintf((char *)p, "\x1BOS"); return p - output;
1267 case 0x04B: p += sprintf((char *)p, "\x1BOt"); return p - output;
1268 case 0x04C: p += sprintf((char *)p, "\x1BOu"); return p - output;
1269 case 0x04D: p += sprintf((char *)p, "\x1BOv"); return p - output;
1270 case 0x04E: /* keypad + is ^[Ol, but ^[Om with Shift */
1271 p += sprintf((char *)p,
1272 (ret && (keystate[VK_SHIFT] & 0x80)) ?
1273 "\x1BOm" : "\x1BOl");
1274 return p - output;
1275 case 0x04F: p += sprintf((char *)p, "\x1BOq"); return p - output;
1276 case 0x050: p += sprintf((char *)p, "\x1BOr"); return p - output;
1277 case 0x051: p += sprintf((char *)p, "\x1BOs"); return p - output;
1278 case 0x052: p += sprintf((char *)p, "\x1BOp"); return p - output;
1279 case 0x053: p += sprintf((char *)p, "\x1BOn"); return p - output;
1280 case 0x11C: p += sprintf((char *)p, "\x1BOM"); return p - output;
1281 }
1282 }
1283
1284 /*
67c339f7 1285 * Before doing Windows charmap translation, remove LeftALT
1286 * from the keymap, since its sole effect should be to prepend
1287 * ESC, which we've already done. Note that removal of LeftALT
1288 * has to happen _after_ the above call to SetKeyboardState, or
1289 * dire things will befall.
374330e2 1290 */
67c339f7 1291 if (cancel_alt) {
1292 keystate[VK_MENU] = keystate[VK_RMENU];
1293 keystate[VK_LMENU] = 0;
1294 }
374330e2 1295
1296 /*
1297 * Attempt the Windows char-map translation.
1298 */
1299 if (ret) {
1300 WORD chr;
1301 int r = ToAscii (wParam, (lParam >> 16) & 0xFF,
1302 keystate, &chr, 0);
1303 if (r == 1) {
1304 *p++ = chr & 0xFF;
1305 return p - output;
1306 }
1307 }
1308
1309 /*
1310 * OK, we haven't had a key code from the keymap translation.
1311 * We'll try our various special cases and function keys, and
1312 * then give up. (There's nothing wrong with giving up:
1313 * Scrollock, Pause/Break, and of course the various buckybit
1314 * keys all produce KEYDOWN events that we really _do_ want to
1315 * ignore.)
1316 */
1317
1318 /*
1319 * Control-2 should return ^@ (0x00), Control-6 should return
1320 * ^^ (0x1E), and Control-Minus should return ^_ (0x1F). Since
1321 * the DOS keyboard handling did it, and we have nothing better
1322 * to do with the key combo in question, we'll also map
1323 * Control-Backquote to ^\ (0x1C).
1324 */
1325 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '2') {
1326 *p++ = 0x00;
1327 return p - output;
1328 }
1329 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '6') {
1330 *p++ = 0x1E;
1331 return p - output;
1332 }
1333 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == 0xBD) {
1334 *p++ = 0x1F;
1335 return p - output;
1336 }
1337 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == 0xDF) {
1338 *p++ = 0x1C;
1339 return p - output;
1340 }
1341
1342 /*
1343 * First, all the keys that do tilde codes. (ESC '[' nn '~',
1344 * for integer decimal nn.)
1345 *
1346 * We also deal with the weird ones here. Linux VCs replace F1
1347 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
1348 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
1349 * respectively.
1350 */
1351 code = 0;
1352 switch (wParam) {
1353 case VK_F1: code = (keystate[VK_SHIFT] & 0x80 ? 23 : 11); break;
1354 case VK_F2: code = (keystate[VK_SHIFT] & 0x80 ? 24 : 12); break;
1355 case VK_F3: code = (keystate[VK_SHIFT] & 0x80 ? 25 : 13); break;
1356 case VK_F4: code = (keystate[VK_SHIFT] & 0x80 ? 26 : 14); break;
1357 case VK_F5: code = (keystate[VK_SHIFT] & 0x80 ? 28 : 15); break;
1358 case VK_F6: code = (keystate[VK_SHIFT] & 0x80 ? 29 : 17); break;
1359 case VK_F7: code = (keystate[VK_SHIFT] & 0x80 ? 31 : 18); break;
1360 case VK_F8: code = (keystate[VK_SHIFT] & 0x80 ? 32 : 19); break;
1361 case VK_F9: code = (keystate[VK_SHIFT] & 0x80 ? 33 : 20); break;
1362 case VK_F10: code = (keystate[VK_SHIFT] & 0x80 ? 34 : 21); break;
1363 case VK_F11: code = 23; break;
1364 case VK_F12: code = 24; break;
1365 case VK_HOME: code = 1; break;
1366 case VK_INSERT: code = 2; break;
1367 case VK_DELETE: code = 3; break;
1368 case VK_END: code = 4; break;
1369 case VK_PRIOR: code = 5; break;
1370 case VK_NEXT: code = 6; break;
1371 }
1372 if (cfg.linux_funkeys && code >= 11 && code <= 15) {
1373 p += sprintf((char *)p, "\x1B[[%c", code + 'A' - 11);
1374 return p - output;
1375 }
1376 if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
1377 p += sprintf((char *)p, code == 1 ? "\x1B[H" : "\x1BOw");
1378 return p - output;
1379 }
1380 if (code) {
1381 p += sprintf((char *)p, "\x1B[%d~", code);
1382 return p - output;
1383 }
1384
1385 /*
1386 * Now the remaining keys (arrows and Keypad 5. Keypad 5 for
1387 * some reason seems to send VK_CLEAR to Windows...).
1388 */
1389 switch (wParam) {
1390 case VK_UP:
1391 p += sprintf((char *)p, app_cursor_keys ? "\x1BOA" : "\x1B[A");
1392 return p - output;
1393 case VK_DOWN:
1394 p += sprintf((char *)p, app_cursor_keys ? "\x1BOB" : "\x1B[B");
1395 return p - output;
1396 case VK_RIGHT:
1397 p += sprintf((char *)p, app_cursor_keys ? "\x1BOC" : "\x1B[C");
1398 return p - output;
1399 case VK_LEFT:
1400 p += sprintf((char *)p, app_cursor_keys ? "\x1BOD" : "\x1B[D");
1401 return p - output;
1402 case VK_CLEAR: p += sprintf((char *)p, "\x1B[G"); return p - output;
1403 }
1404
1405 return 0;
1406}
1407
1408void set_title (char *title) {
1409 sfree (window_name);
1410 window_name = smalloc(1+strlen(title));
1411 strcpy (window_name, title);
37508af4 1412 if (cfg.win_name_always || !IsIconic(hwnd))
374330e2 1413 SetWindowText (hwnd, title);
1414}
1415
1416void set_icon (char *title) {
1417 sfree (icon_name);
1418 icon_name = smalloc(1+strlen(title));
1419 strcpy (icon_name, title);
37508af4 1420 if (!cfg.win_name_always && IsIconic(hwnd))
374330e2 1421 SetWindowText (hwnd, title);
1422}
1423
1424void set_sbar (int total, int start, int page) {
1425 SCROLLINFO si;
1426 si.cbSize = sizeof(si);
1427 si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS | SIF_DISABLENOSCROLL;
1428 si.nMin = 0;
1429 si.nMax = total - 1;
1430 si.nPage = page;
1431 si.nPos = start;
c1f5f956 1432 if (hwnd)
1433 SetScrollInfo (hwnd, SB_VERT, &si, TRUE);
374330e2 1434}
1435
f67b4e85 1436Context get_ctx(void) {
374330e2 1437 HDC hdc;
1438 if (hwnd) {
1439 hdc = GetDC (hwnd);
1440 if (hdc && pal)
1441 SelectPalette (hdc, pal, FALSE);
1442 return hdc;
1443 } else
1444 return NULL;
1445}
1446
1447void free_ctx (Context ctx) {
1448 SelectPalette (ctx, GetStockObject (DEFAULT_PALETTE), FALSE);
1449 ReleaseDC (hwnd, ctx);
1450}
1451
1452static void real_palette_set (int n, int r, int g, int b) {
1453 if (pal) {
1454 logpal->palPalEntry[n].peRed = r;
1455 logpal->palPalEntry[n].peGreen = g;
1456 logpal->palPalEntry[n].peBlue = b;
1457 logpal->palPalEntry[n].peFlags = PC_NOCOLLAPSE;
1458 colours[n] = PALETTERGB(r, g, b);
1459 SetPaletteEntries (pal, 0, NCOLOURS, logpal->palPalEntry);
1460 } else
1461 colours[n] = RGB(r, g, b);
1462}
1463
1464void palette_set (int n, int r, int g, int b) {
1465 static const int first[21] = {
1466 0, 2, 4, 6, 8, 10, 12, 14,
1467 1, 3, 5, 7, 9, 11, 13, 15,
1468 16, 17, 18, 20, 22
1469 };
1470 real_palette_set (first[n], r, g, b);
1471 if (first[n] >= 18)
1472 real_palette_set (first[n]+1, r, g, b);
1473 if (pal) {
1474 HDC hdc = get_ctx();
1475 UnrealizeObject (pal);
1476 RealizePalette (hdc);
1477 free_ctx (hdc);
1478 }
1479}
1480
1481void palette_reset (void) {
1482 int i;
1483
1484 for (i = 0; i < NCOLOURS; i++) {
1485 if (pal) {
1486 logpal->palPalEntry[i].peRed = defpal[i].rgbtRed;
1487 logpal->palPalEntry[i].peGreen = defpal[i].rgbtGreen;
1488 logpal->palPalEntry[i].peBlue = defpal[i].rgbtBlue;
1489 logpal->palPalEntry[i].peFlags = 0;
1490 colours[i] = PALETTERGB(defpal[i].rgbtRed,
1491 defpal[i].rgbtGreen,
1492 defpal[i].rgbtBlue);
1493 } else
1494 colours[i] = RGB(defpal[i].rgbtRed,
1495 defpal[i].rgbtGreen,
1496 defpal[i].rgbtBlue);
1497 }
1498
1499 if (pal) {
1500 HDC hdc;
1501 SetPaletteEntries (pal, 0, NCOLOURS, logpal->palPalEntry);
1502 hdc = get_ctx();
1503 RealizePalette (hdc);
1504 free_ctx (hdc);
1505 }
1506}
1507
1508void write_clip (void *data, int len) {
1509 HGLOBAL clipdata;
1510 void *lock;
1511
1512 clipdata = GlobalAlloc (GMEM_DDESHARE | GMEM_MOVEABLE, len + 1);
1513 if (!clipdata)
1514 return;
1515 lock = GlobalLock (clipdata);
1516 if (!lock)
1517 return;
1518 memcpy (lock, data, len);
1519 ((unsigned char *) lock) [len] = 0;
1520 GlobalUnlock (clipdata);
1521
1522 SendMessage (hwnd, WM_IGNORE_CLIP, TRUE, 0);
1523 if (OpenClipboard (hwnd)) {
1524 EmptyClipboard();
1525 SetClipboardData (CF_TEXT, clipdata);
1526 CloseClipboard();
1527 } else
1528 GlobalFree (clipdata);
1529 SendMessage (hwnd, WM_IGNORE_CLIP, FALSE, 0);
1530}
1531
1532void get_clip (void **p, int *len) {
1533 static HGLOBAL clipdata = NULL;
1534
1535 if (!p) {
1536 if (clipdata)
1537 GlobalUnlock (clipdata);
1538 clipdata = NULL;
1539 return;
1540 } else {
1541 if (OpenClipboard (NULL)) {
1542 clipdata = GetClipboardData (CF_TEXT);
1543 CloseClipboard();
1544 if (clipdata) {
1545 *p = GlobalLock (clipdata);
1546 if (*p) {
1547 *len = strlen(*p);
1548 return;
1549 }
1550 }
1551 }
1552 }
1553
1554 *p = NULL;
1555 *len = 0;
1556}
1557
1558/*
1559 * Move `lines' lines from position `from' to position `to' in the
1560 * window.
1561 */
1562void optimised_move (int to, int from, int lines) {
1563 RECT r;
f67b4e85 1564 int min, max;
374330e2 1565
1566 min = (to < from ? to : from);
1567 max = to + from - min;
374330e2 1568
1569 r.left = 0; r.right = cols * font_width;
1570 r.top = min * font_height; r.bottom = (max+lines) * font_height;
1571 ScrollWindow (hwnd, 0, (to - from) * font_height, &r, &r);
1572}
1573
1574/*
1575 * Print a message box and perform a fatal exit.
1576 */
1577void fatalbox(char *fmt, ...) {
1578 va_list ap;
1579 char stuff[200];
1580
1581 va_start(ap, fmt);
1582 vsprintf(stuff, fmt, ap);
1583 va_end(ap);
1584 MessageBox(hwnd, stuff, "PuTTY Fatal Error", MB_ICONERROR | MB_OK);
1585 exit(1);
1586}
1587
1588/*
1589 * Beep.
1590 */
1591void beep(void) {
1592 MessageBeep(MB_OK);
1593}
Local modifications for Simon Tatham's `PuTTY' SSH client and terminal emulator