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Add TIS authentication option
[sgt/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
6833a413 11#define IDM_SHOWLOG 0x0010
12#define IDM_NEWSESS 0x0020
13#define IDM_DUPSESS 0x0030
14#define IDM_RECONF 0x0040
15#define IDM_CLRSB 0x0050
16#define IDM_RESET 0x0060
17#define IDM_TEL_AYT 0x0070
18#define IDM_TEL_BRK 0x0080
19#define IDM_TEL_SYNCH 0x0090
20#define IDM_TEL_EC 0x00a0
21#define IDM_TEL_EL 0x00b0
22#define IDM_TEL_GA 0x00c0
23#define IDM_TEL_NOP 0x00d0
24#define IDM_TEL_ABORT 0x00e0
25#define IDM_TEL_AO 0x00f0
26#define IDM_TEL_IP 0x0100
27#define IDM_TEL_SUSP 0x0110
28#define IDM_TEL_EOR 0x0120
29#define IDM_TEL_EOF 0x0130
30#define IDM_ABOUT 0x0140
31#define IDM_SAVEDSESS 0x0150
32
33#define IDM_SAVED_MIN 0x1000
34#define IDM_SAVED_MAX 0x2000
374330e2 35
36#define WM_IGNORE_SIZE (WM_USER + 2)
37#define WM_IGNORE_CLIP (WM_USER + 3)
38
39static int WINAPI WndProc (HWND, UINT, WPARAM, LPARAM);
40static int TranslateKey(WPARAM wParam, LPARAM lParam, unsigned char *output);
41static void cfgtopalette(void);
42static void init_palette(void);
43static void init_fonts(void);
44
45static int extra_width, extra_height;
46
47#define FONT_NORMAL 0
48#define FONT_BOLD 1
49#define FONT_UNDERLINE 2
50#define FONT_BOLDUND 3
51#define FONT_OEM 4
52#define FONT_OEMBOLD 5
53#define FONT_OEMBOLDUND 6
54#define FONT_OEMUND 7
55static HFONT fonts[8];
56static enum {
57 BOLD_COLOURS, BOLD_SHADOW, BOLD_FONT
58} bold_mode;
59static enum {
60 UND_LINE, UND_FONT
61} und_mode;
62static int descent;
63
64#define NCOLOURS 24
65static COLORREF colours[NCOLOURS];
66static HPALETTE pal;
67static LPLOGPALETTE logpal;
68static RGBTRIPLE defpal[NCOLOURS];
69
70static HWND hwnd;
71
72static int dbltime, lasttime, lastact;
73static Mouse_Button lastbtn;
74
75static char *window_name, *icon_name;
76
77int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) {
78 static char appname[] = "PuTTY";
79 WORD winsock_ver;
80 WSADATA wsadata;
81 WNDCLASS wndclass;
82 MSG msg;
83 int guess_width, guess_height;
84
73251d5d 85 putty_inst = inst;
86
374330e2 87 winsock_ver = MAKEWORD(1, 1);
88 if (WSAStartup(winsock_ver, &wsadata)) {
89 MessageBox(NULL, "Unable to initialise WinSock", "WinSock Error",
90 MB_OK | MB_ICONEXCLAMATION);
91 return 1;
92 }
93 if (LOBYTE(wsadata.wVersion) != 1 || HIBYTE(wsadata.wVersion) != 1) {
94 MessageBox(NULL, "WinSock version is incompatible with 1.1",
95 "WinSock Error", MB_OK | MB_ICONEXCLAMATION);
96 WSACleanup();
97 return 1;
98 }
99 /* WISHLIST: maybe allow config tweaking even if winsock not present? */
100
101 InitCommonControls();
102
103 /*
104 * Process the command line.
105 */
106 {
107 char *p;
108
e277c42d 109 default_protocol = DEFAULT_PROTOCOL;
110 default_port = DEFAULT_PORT;
111
374330e2 112 do_defaults(NULL);
113
114 p = cmdline;
115 while (*p && isspace(*p)) p++;
116
117 /*
e277c42d 118 * Process command line options first. Yes, this can be
119 * done better, and it will be as soon as I have the
120 * energy...
121 */
122 while (*p == '-') {
123 char *q = p + strcspn(p, " \t");
124 p++;
125 if (q == p + 3 &&
126 tolower(p[0]) == 's' &&
127 tolower(p[1]) == 's' &&
128 tolower(p[2]) == 'h') {
129 default_protocol = cfg.protocol = PROT_SSH;
130 default_port = cfg.port = 22;
131 }
132 p = q + strspn(q, " \t");
133 }
134
135 /*
374330e2 136 * An initial @ means to activate a saved session.
137 */
138 if (*p == '@') {
139 do_defaults (p+1);
140 if (!*cfg.host && !do_config()) {
141 WSACleanup();
142 return 0;
143 }
144 } else if (*p == '&') {
145 /*
146 * An initial & means we've been given a command line
147 * containing the hex value of a HANDLE for a file
148 * mapping object, which we must then extract as a
149 * config.
150 */
151 HANDLE filemap;
152 Config *cp;
153 if (sscanf(p+1, "%x", &filemap) == 1 &&
154 (cp = MapViewOfFile(filemap, FILE_MAP_READ,
155 0, 0, sizeof(Config))) != NULL) {
156 cfg = *cp;
157 UnmapViewOfFile(cp);
158 CloseHandle(filemap);
159 } else if (!do_config()) {
160 WSACleanup();
161 return 0;
162 }
163 } else if (*p) {
164 char *q = p;
165 while (*p && !isspace(*p)) p++;
166 if (*p)
167 *p++ = '\0';
168 strncpy (cfg.host, q, sizeof(cfg.host)-1);
169 cfg.host[sizeof(cfg.host)-1] = '\0';
170 while (*p && isspace(*p)) p++;
171 if (*p)
172 cfg.port = atoi(p);
173 else
174 cfg.port = -1;
175 } else {
176 if (!do_config()) {
177 WSACleanup();
178 return 0;
179 }
180 }
181 }
182
5e1a8e27 183 back = (cfg.protocol == PROT_SSH ? &ssh_backend :
184 cfg.protocol == PROT_TELNET ? &telnet_backend : &raw_backend );
374330e2 185
186 if (!prev) {
187 wndclass.style = 0;
188 wndclass.lpfnWndProc = WndProc;
189 wndclass.cbClsExtra = 0;
190 wndclass.cbWndExtra = 0;
191 wndclass.hInstance = inst;
192 wndclass.hIcon = LoadIcon (inst,
193 MAKEINTRESOURCE(IDI_MAINICON));
1bb542b2 194 wndclass.hCursor = LoadCursor (NULL, IDC_IBEAM);
374330e2 195 wndclass.hbrBackground = GetStockObject (BLACK_BRUSH);
196 wndclass.lpszMenuName = NULL;
197 wndclass.lpszClassName = appname;
198
199 RegisterClass (&wndclass);
200 }
201
202 hwnd = NULL;
203
204 savelines = cfg.savelines;
205 term_init();
206
207 cfgtopalette();
208
209 /*
210 * Guess some defaults for the window size. This all gets
211 * updated later, so we don't really care too much. However, we
212 * do want the font width/height guesses to correspond to a
213 * large font rather than a small one...
214 */
215
216 font_width = 10;
217 font_height = 20;
218 extra_width = 25;
219 extra_height = 28;
220 term_size (cfg.height, cfg.width, cfg.savelines);
221 guess_width = extra_width + font_width * cols;
222 guess_height = extra_height + font_height * rows;
223 {
224 RECT r;
225 HWND w = GetDesktopWindow();
226 GetWindowRect (w, &r);
227 if (guess_width > r.right - r.left)
228 guess_width = r.right - r.left;
229 if (guess_height > r.bottom - r.top)
230 guess_height = r.bottom - r.top;
231 }
232
233 hwnd = CreateWindow (appname, appname,
234 WS_OVERLAPPEDWINDOW | WS_VSCROLL,
235 CW_USEDEFAULT, CW_USEDEFAULT,
236 guess_width, guess_height,
237 NULL, NULL, inst, NULL);
238
239 /*
240 * Initialise the fonts, simultaneously correcting the guesses
241 * for font_{width,height}.
242 */
243 bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
244 und_mode = UND_FONT;
245 init_fonts();
246
247 /*
248 * Correct the guesses for extra_{width,height}.
249 */
250 {
251 RECT cr, wr;
252 GetWindowRect (hwnd, &wr);
253 GetClientRect (hwnd, &cr);
254 extra_width = wr.right - wr.left - cr.right + cr.left;
255 extra_height = wr.bottom - wr.top - cr.bottom + cr.top;
256 }
257
258 /*
259 * Resize the window, now we know what size we _really_ want it
260 * to be.
261 */
262 guess_width = extra_width + font_width * cols;
263 guess_height = extra_height + font_height * rows;
264 SendMessage (hwnd, WM_IGNORE_SIZE, 0, 0);
265 SetWindowPos (hwnd, NULL, 0, 0, guess_width, guess_height,
266 SWP_NOMOVE | SWP_NOREDRAW | SWP_NOZORDER);
267
268 /*
269 * Initialise the scroll bar.
270 */
271 {
272 SCROLLINFO si;
273
274 si.cbSize = sizeof(si);
275 si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS | SIF_DISABLENOSCROLL;
276 si.nMin = 0;
277 si.nMax = rows-1;
278 si.nPage = rows;
279 si.nPos = 0;
280 SetScrollInfo (hwnd, SB_VERT, &si, FALSE);
281 }
282
283 /*
284 * Start up the telnet connection.
285 */
286 {
287 char *error;
288 char msg[1024];
289 char *realhost;
290
291 error = back->init (hwnd, cfg.host, cfg.port, &realhost);
292 if (error) {
293 sprintf(msg, "Unable to open connection:\n%s", error);
294 MessageBox(NULL, msg, "PuTTY Error", MB_ICONERROR | MB_OK);
295 return 0;
296 }
297 window_name = icon_name = NULL;
5ac36532 298 sprintf(msg, "%s - PuTTY", realhost);
374330e2 299 set_title (msg);
300 set_icon (msg);
301 }
302
303 /*
304 * Set up the input and output buffers.
305 */
306 inbuf_reap = inbuf_head = 0;
307 outbuf_reap = outbuf_head = 0;
308
309 /*
310 * Prepare the mouse handler.
311 */
312 lastact = MA_NOTHING;
313 lastbtn = MB_NOTHING;
314 dbltime = GetDoubleClickTime();
315
316 /*
317 * Set up the session-control options on the system menu.
318 */
319 {
320 HMENU m = GetSystemMenu (hwnd, FALSE);
0a4aa984 321 HMENU p,s;
322 int i;
374330e2 323
324 AppendMenu (m, MF_SEPARATOR, 0, 0);
325 if (cfg.protocol == PROT_TELNET) {
326 p = CreateMenu();
327 AppendMenu (p, MF_ENABLED, IDM_TEL_AYT, "Are You There");
328 AppendMenu (p, MF_ENABLED, IDM_TEL_BRK, "Break");
329 AppendMenu (p, MF_ENABLED, IDM_TEL_SYNCH, "Synch");
330 AppendMenu (p, MF_SEPARATOR, 0, 0);
331 AppendMenu (p, MF_ENABLED, IDM_TEL_EC, "Erase Character");
332 AppendMenu (p, MF_ENABLED, IDM_TEL_EL, "Erase Line");
333 AppendMenu (p, MF_ENABLED, IDM_TEL_GA, "Go Ahead");
334 AppendMenu (p, MF_ENABLED, IDM_TEL_NOP, "No Operation");
335 AppendMenu (p, MF_SEPARATOR, 0, 0);
336 AppendMenu (p, MF_ENABLED, IDM_TEL_ABORT, "Abort Process");
337 AppendMenu (p, MF_ENABLED, IDM_TEL_AO, "Abort Output");
338 AppendMenu (p, MF_ENABLED, IDM_TEL_IP, "Interrupt Process");
339 AppendMenu (p, MF_ENABLED, IDM_TEL_SUSP, "Suspend Process");
340 AppendMenu (p, MF_SEPARATOR, 0, 0);
341 AppendMenu (p, MF_ENABLED, IDM_TEL_EOR, "End Of Record");
342 AppendMenu (p, MF_ENABLED, IDM_TEL_EOF, "End Of File");
343 AppendMenu (m, MF_POPUP | MF_ENABLED, (UINT) p, "Telnet Command");
344 AppendMenu (m, MF_ENABLED, IDM_SHOWLOG, "Show Negotiation");
345 AppendMenu (m, MF_SEPARATOR, 0, 0);
346 }
347 AppendMenu (m, MF_ENABLED, IDM_NEWSESS, "New Session");
348 AppendMenu (m, MF_ENABLED, IDM_DUPSESS, "Duplicate Session");
0a4aa984 349 s = CreateMenu();
350 get_sesslist(TRUE);
351 for (i = 1 ; i < ((nsessions < 256) ? nsessions : 256) ; i++)
352 AppendMenu (s, MF_ENABLED, IDM_SAVED_MIN + (16 * i) , sessions[i]);
353 AppendMenu (m, MF_POPUP | MF_ENABLED, (UINT) s, "Saved Sessions");
374330e2 354 AppendMenu (m, MF_ENABLED, IDM_RECONF, "Change Settings");
355 AppendMenu (m, MF_SEPARATOR, 0, 0);
356 AppendMenu (m, MF_ENABLED, IDM_CLRSB, "Clear Scrollback");
357 AppendMenu (m, MF_ENABLED, IDM_RESET, "Reset Terminal");
358 AppendMenu (m, MF_SEPARATOR, 0, 0);
359 AppendMenu (m, MF_ENABLED, IDM_ABOUT, "About PuTTY");
360 }
361
362 /*
363 * Finally show the window!
364 */
365 ShowWindow (hwnd, show);
366
367 /*
368 * Set the palette up.
369 */
370 pal = NULL;
371 logpal = NULL;
372 init_palette();
373
374 has_focus = (GetForegroundWindow() == hwnd);
375 UpdateWindow (hwnd);
376
377 while (GetMessage (&msg, NULL, 0, 0)) {
378 DispatchMessage (&msg);
379 if (inbuf_reap != inbuf_head)
380 term_out();
381 /* In idle moments, do a full screen update */
382 if (!PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
383 term_update();
384 }
385
386 /*
387 * Clean up.
388 */
389 {
390 int i;
391 for (i=0; i<8; i++)
392 if (fonts[i])
393 DeleteObject(fonts[i]);
394 }
395 sfree(logpal);
396 if (pal)
397 DeleteObject(pal);
398 WSACleanup();
399
400 if (cfg.protocol == PROT_SSH)
401 random_save_seed();
402
403 return msg.wParam;
404}
405
406/*
407 * Copy the colour palette from the configuration data into defpal.
408 * This is non-trivial because the colour indices are different.
409 */
410static void cfgtopalette(void) {
411 int i;
412 static const int ww[] = {
413 6, 7, 8, 9, 10, 11, 12, 13,
414 14, 15, 16, 17, 18, 19, 20, 21,
415 0, 1, 2, 3, 4, 4, 5, 5
416 };
417
418 for (i=0; i<24; i++) {
419 int w = ww[i];
420 defpal[i].rgbtRed = cfg.colours[w][0];
421 defpal[i].rgbtGreen = cfg.colours[w][1];
422 defpal[i].rgbtBlue = cfg.colours[w][2];
423 }
424}
425
426/*
427 * Set up the colour palette.
428 */
429static void init_palette(void) {
430 int i;
431 HDC hdc = GetDC (hwnd);
432 if (hdc) {
433 if (cfg.try_palette &&
434 GetDeviceCaps (hdc, RASTERCAPS) & RC_PALETTE) {
435 logpal = smalloc(sizeof(*logpal)
436 - sizeof(logpal->palPalEntry)
437 + NCOLOURS * sizeof(PALETTEENTRY));
438 logpal->palVersion = 0x300;
439 logpal->palNumEntries = NCOLOURS;
440 for (i = 0; i < NCOLOURS; i++) {
441 logpal->palPalEntry[i].peRed = defpal[i].rgbtRed;
442 logpal->palPalEntry[i].peGreen = defpal[i].rgbtGreen;
443 logpal->palPalEntry[i].peBlue = defpal[i].rgbtBlue;
444 logpal->palPalEntry[i].peFlags = PC_NOCOLLAPSE;
445 }
446 pal = CreatePalette (logpal);
447 if (pal) {
448 SelectPalette (hdc, pal, FALSE);
449 RealizePalette (hdc);
450 SelectPalette (hdc, GetStockObject (DEFAULT_PALETTE),
451 FALSE);
452 }
453 }
454 ReleaseDC (hwnd, hdc);
455 }
456 if (pal)
457 for (i=0; i<NCOLOURS; i++)
458 colours[i] = PALETTERGB(defpal[i].rgbtRed,
459 defpal[i].rgbtGreen,
460 defpal[i].rgbtBlue);
461 else
462 for(i=0; i<NCOLOURS; i++)
463 colours[i] = RGB(defpal[i].rgbtRed,
464 defpal[i].rgbtGreen,
465 defpal[i].rgbtBlue);
466}
467
468/*
469 * Initialise all the fonts we will need. There may be as many as
470 * eight or as few as one. We also:
471 *
472 * - check the font width and height, correcting our guesses if
473 * necessary.
474 *
475 * - verify that the bold font is the same width as the ordinary
476 * one, and engage shadow bolding if not.
477 *
478 * - verify that the underlined font is the same width as the
479 * ordinary one (manual underlining by means of line drawing can
480 * be done in a pinch).
481 *
482 * - verify, in OEM/ANSI combined mode, that the OEM and ANSI base
483 * fonts are the same size, and shift to OEM-only mode if not.
484 */
485static void init_fonts(void) {
486 TEXTMETRIC tm;
487 int i, j;
488 int widths[5];
489 HDC hdc;
490 int fw_dontcare, fw_bold;
491
492 for (i=0; i<8; i++)
493 fonts[i] = NULL;
494
495 if (cfg.fontisbold) {
496 fw_dontcare = FW_BOLD;
497 fw_bold = FW_BLACK;
498 } else {
499 fw_dontcare = FW_DONTCARE;
500 fw_bold = FW_BOLD;
501 }
502
503#define f(i,c,w,u) \
504 fonts[i] = CreateFont (cfg.fontheight, 0, 0, 0, w, FALSE, u, FALSE, \
505 c, OUT_DEFAULT_PRECIS, \
506 CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, \
507 FIXED_PITCH | FF_DONTCARE, cfg.font)
508 if (cfg.vtmode != VT_OEMONLY) {
14963b8f 509 f(FONT_NORMAL, cfg.fontcharset, fw_dontcare, FALSE);
510 f(FONT_UNDERLINE, cfg.fontcharset, fw_dontcare, TRUE);
374330e2 511 }
512 if (cfg.vtmode == VT_OEMANSI || cfg.vtmode == VT_OEMONLY) {
513 f(FONT_OEM, OEM_CHARSET, fw_dontcare, FALSE);
514 f(FONT_OEMUND, OEM_CHARSET, fw_dontcare, TRUE);
515 }
516 if (bold_mode == BOLD_FONT) {
517 if (cfg.vtmode != VT_OEMONLY) {
14963b8f 518 f(FONT_BOLD, cfg.fontcharset, fw_bold, FALSE);
519 f(FONT_BOLDUND, cfg.fontcharset, fw_bold, TRUE);
374330e2 520 }
521 if (cfg.vtmode == VT_OEMANSI || cfg.vtmode == VT_OEMONLY) {
522 f(FONT_OEMBOLD, OEM_CHARSET, fw_bold, FALSE);
523 f(FONT_OEMBOLDUND, OEM_CHARSET, fw_bold, TRUE);
524 }
525 } else {
526 fonts[FONT_BOLD] = fonts[FONT_BOLDUND] = NULL;
527 fonts[FONT_OEMBOLD] = fonts[FONT_OEMBOLDUND] = NULL;
528 }
529#undef f
530
531 hdc = GetDC(hwnd);
532
533 if (cfg.vtmode == VT_OEMONLY)
534 j = 4;
535 else
536 j = 0;
537
538 for (i=0; i<(cfg.vtmode == VT_OEMANSI ? 5 : 4); i++) {
539 if (fonts[i+j]) {
540 SelectObject (hdc, fonts[i+j]);
541 GetTextMetrics(hdc, &tm);
542 if (i == 0 || i == 4) {
543 font_height = tm.tmHeight;
544 font_width = tm.tmAveCharWidth;
545 descent = tm.tmAscent + 1;
546 if (descent >= font_height)
547 descent = font_height - 1;
548 }
549 widths[i] = tm.tmAveCharWidth;
550 }
551 }
552
553 ReleaseDC (hwnd, hdc);
554
555 if (widths[FONT_UNDERLINE] != widths[FONT_NORMAL] ||
556 (bold_mode == BOLD_FONT &&
557 widths[FONT_BOLDUND] != widths[FONT_BOLD])) {
558 und_mode = UND_LINE;
559 DeleteObject (fonts[FONT_UNDERLINE]);
560 if (bold_mode == BOLD_FONT)
561 DeleteObject (fonts[FONT_BOLDUND]);
562 }
563
564 if (bold_mode == BOLD_FONT &&
565 widths[FONT_BOLD] != widths[FONT_NORMAL]) {
566 bold_mode = BOLD_SHADOW;
567 DeleteObject (fonts[FONT_BOLD]);
568 if (und_mode == UND_FONT)
569 DeleteObject (fonts[FONT_BOLDUND]);
570 }
571
572 if (cfg.vtmode == VT_OEMANSI && widths[FONT_OEM] != widths[FONT_NORMAL]) {
573 MessageBox(NULL, "The OEM and ANSI versions of this font are\n"
574 "different sizes. Using OEM-only mode instead",
575 "Font Size Mismatch", MB_ICONINFORMATION | MB_OK);
576 cfg.vtmode = VT_OEMONLY;
577 for (i=0; i<4; i++)
578 if (fonts[i])
579 DeleteObject (fonts[i]);
580 }
581}
582
583void request_resize (int w, int h) {
584 int width = extra_width + font_width * w;
585 int height = extra_height + font_height * h;
586
587 SetWindowPos (hwnd, NULL, 0, 0, width, height,
588 SWP_NOACTIVATE | SWP_NOCOPYBITS |
589 SWP_NOMOVE | SWP_NOZORDER);
590}
591
592static void click (Mouse_Button b, int x, int y) {
fdedf2c8 593 int thistime = GetMessageTime();
594
595 if (lastbtn == b && thistime - lasttime < dbltime) {
374330e2 596 lastact = (lastact == MA_CLICK ? MA_2CLK :
597 lastact == MA_2CLK ? MA_3CLK :
598 lastact == MA_3CLK ? MA_CLICK : MA_NOTHING);
599 } else {
600 lastbtn = b;
601 lastact = MA_CLICK;
602 }
603 if (lastact != MA_NOTHING)
604 term_mouse (b, lastact, x, y);
fdedf2c8 605 lasttime = thistime;
374330e2 606}
607
608static int WINAPI WndProc (HWND hwnd, UINT message,
609 WPARAM wParam, LPARAM lParam) {
610 HDC hdc;
611 static int ignore_size = FALSE;
612 static int ignore_clip = FALSE;
613 static int just_reconfigged = FALSE;
614
615 switch (message) {
616 case WM_CREATE:
617 break;
68130d34 618 case WM_CLOSE:
9ef49106 619 if (!cfg.warn_on_close ||
620 MessageBox(hwnd, "Are you sure you want to close this session?",
68130d34 621 "PuTTY Exit Confirmation",
622 MB_ICONWARNING | MB_OKCANCEL) == IDOK)
623 DestroyWindow(hwnd);
624 return 0;
374330e2 625 case WM_DESTROY:
626 PostQuitMessage (0);
627 return 0;
6833a413 628 case WM_SYSCOMMAND:
629 switch (wParam & ~0xF) { /* low 4 bits reserved to Windows */
374330e2 630 case IDM_SHOWLOG:
631 shownegot(hwnd);
632 break;
633 case IDM_NEWSESS:
634 case IDM_DUPSESS:
6833a413 635 case IDM_SAVEDSESS:
374330e2 636 {
637 char b[2048];
638 char c[30], *cl;
e4e4cc7e 639 int freecl = FALSE;
374330e2 640 STARTUPINFO si;
641 PROCESS_INFORMATION pi;
642 HANDLE filemap = NULL;
643
644 if (wParam == IDM_DUPSESS) {
645 /*
646 * Allocate a file-mapping memory chunk for the
647 * config structure.
648 */
649 SECURITY_ATTRIBUTES sa;
650 Config *p;
651
652 sa.nLength = sizeof(sa);
653 sa.lpSecurityDescriptor = NULL;
654 sa.bInheritHandle = TRUE;
655 filemap = CreateFileMapping((HANDLE)0xFFFFFFFF,
656 &sa,
657 PAGE_READWRITE,
658 0,
659 sizeof(Config),
660 NULL);
661 if (filemap) {
662 p = (Config *)MapViewOfFile(filemap,
663 FILE_MAP_WRITE,
664 0, 0, sizeof(Config));
665 if (p) {
666 *p = cfg; /* structure copy */
667 UnmapViewOfFile(p);
668 }
669 }
670 sprintf(c, "putty &%08x", filemap);
671 cl = c;
0a4aa984 672 } else if (wParam == IDM_SAVEDSESS) {
e4e4cc7e 673 char *session = sessions[(lParam - IDM_SAVED_MIN) / 16];
674 cl = malloc(16 + strlen(session)); /* 8, but play safe */
675 if (!cl)
676 cl = NULL; /* not a very important failure mode */
677 sprintf(cl, "putty @%s", session);
678 freecl = TRUE;
374330e2 679 } else
6833a413 680 cl = NULL;
374330e2 681
682 GetModuleFileName (NULL, b, sizeof(b)-1);
683 si.cb = sizeof(si);
684 si.lpReserved = NULL;
685 si.lpDesktop = NULL;
686 si.lpTitle = NULL;
687 si.dwFlags = 0;
688 si.cbReserved2 = 0;
689 si.lpReserved2 = NULL;
690 CreateProcess (b, cl, NULL, NULL, TRUE,
691 NORMAL_PRIORITY_CLASS, NULL, NULL, &si, &pi);
692
693 if (filemap)
694 CloseHandle(filemap);
e4e4cc7e 695 if (freecl)
696 free(cl);
374330e2 697 }
698 break;
699 case IDM_RECONF:
700 if (!do_reconfig(hwnd))
701 break;
702 just_reconfigged = TRUE;
703 {
704 int i;
705 for (i=0; i<8; i++)
706 if (fonts[i])
707 DeleteObject(fonts[i]);
708 }
709 bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
710 und_mode = UND_FONT;
711 init_fonts();
712 sfree(logpal);
713 if (pal)
714 DeleteObject(pal);
715 logpal = NULL;
716 pal = NULL;
717 cfgtopalette();
718 init_palette();
719 term_size(cfg.height, cfg.width, cfg.savelines);
720 InvalidateRect(hwnd, NULL, TRUE);
721 SetWindowPos (hwnd, NULL, 0, 0,
722 extra_width + font_width * cfg.width,
723 extra_height + font_height * cfg.height,
724 SWP_NOACTIVATE | SWP_NOCOPYBITS |
725 SWP_NOMOVE | SWP_NOZORDER);
726 if (IsIconic(hwnd)) {
727 SetWindowText (hwnd,
728 cfg.win_name_always ? window_name : icon_name);
729 }
730 break;
731 case IDM_CLRSB:
732 term_clrsb();
733 break;
734 case IDM_RESET:
735 term_pwron();
736 break;
737 case IDM_TEL_AYT: back->special (TS_AYT); break;
738 case IDM_TEL_BRK: back->special (TS_BRK); break;
739 case IDM_TEL_SYNCH: back->special (TS_SYNCH); break;
740 case IDM_TEL_EC: back->special (TS_EC); break;
741 case IDM_TEL_EL: back->special (TS_EL); break;
742 case IDM_TEL_GA: back->special (TS_GA); break;
743 case IDM_TEL_NOP: back->special (TS_NOP); break;
744 case IDM_TEL_ABORT: back->special (TS_ABORT); break;
745 case IDM_TEL_AO: back->special (TS_AO); break;
746 case IDM_TEL_IP: back->special (TS_IP); break;
747 case IDM_TEL_SUSP: back->special (TS_SUSP); break;
748 case IDM_TEL_EOR: back->special (TS_EOR); break;
749 case IDM_TEL_EOF: back->special (TS_EOF); break;
750 case IDM_ABOUT:
751 showabout (hwnd);
752 break;
0a4aa984 753 default:
754 if (wParam >= IDM_SAVED_MIN && wParam <= IDM_SAVED_MAX) {
755 SendMessage(hwnd, WM_SYSCOMMAND, IDM_SAVEDSESS, wParam);
756 }
374330e2 757 }
758 break;
37508af4 759
760#define X_POS(l) ((int)(short)LOWORD(l))
761#define Y_POS(l) ((int)(short)HIWORD(l))
762
fdedf2c8 763#define TO_CHR_X(x) (((x)<0 ? (x)-font_width+1 : (x)) / font_width)
764#define TO_CHR_Y(y) (((y)<0 ? (y)-font_height+1: (y)) / font_height)
765
374330e2 766 case WM_LBUTTONDOWN:
fdedf2c8 767 click (MB_SELECT, TO_CHR_X(X_POS(lParam)),
768 TO_CHR_Y(Y_POS(lParam)));
fef97f43 769 SetCapture(hwnd);
374330e2 770 return 0;
771 case WM_LBUTTONUP:
fdedf2c8 772 term_mouse (MB_SELECT, MA_RELEASE, TO_CHR_X(X_POS(lParam)),
773 TO_CHR_Y(Y_POS(lParam)));
37508af4 774 ReleaseCapture();
374330e2 775 return 0;
776 case WM_MBUTTONDOWN:
37508af4 777 SetCapture(hwnd);
374330e2 778 click (cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND,
fdedf2c8 779 TO_CHR_X(X_POS(lParam)),
780 TO_CHR_Y(Y_POS(lParam)));
374330e2 781 return 0;
782 case WM_MBUTTONUP:
783 term_mouse (cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND,
fdedf2c8 784 MA_RELEASE, TO_CHR_X(X_POS(lParam)),
785 TO_CHR_Y(Y_POS(lParam)));
37508af4 786 ReleaseCapture();
a0b1cefc 787 return 0;
374330e2 788 case WM_RBUTTONDOWN:
37508af4 789 SetCapture(hwnd);
374330e2 790 click (cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE,
fdedf2c8 791 TO_CHR_X(X_POS(lParam)),
792 TO_CHR_Y(Y_POS(lParam)));
374330e2 793 return 0;
794 case WM_RBUTTONUP:
795 term_mouse (cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE,
fdedf2c8 796 MA_RELEASE, TO_CHR_X(X_POS(lParam)),
797 TO_CHR_Y(Y_POS(lParam)));
37508af4 798 ReleaseCapture();
374330e2 799 return 0;
800 case WM_MOUSEMOVE:
801 /*
802 * Add the mouse position and message time to the random
803 * number noise, if we're using ssh.
804 */
805 if (cfg.protocol == PROT_SSH)
806 noise_ultralight(lParam);
807
808 if (wParam & (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON)) {
809 Mouse_Button b;
810 if (wParam & MK_LBUTTON)
811 b = MB_SELECT;
812 else if (wParam & MK_MBUTTON)
813 b = cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND;
814 else
815 b = cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE;
fdedf2c8 816 term_mouse (b, MA_DRAG, TO_CHR_X(X_POS(lParam)),
817 TO_CHR_Y(Y_POS(lParam)));
374330e2 818 }
374330e2 819 return 0;
820 case WM_IGNORE_CLIP:
821 ignore_clip = wParam; /* don't panic on DESTROYCLIPBOARD */
822 break;
823 case WM_DESTROYCLIPBOARD:
824 if (!ignore_clip)
825 term_deselect();
826 ignore_clip = FALSE;
827 return 0;
828 case WM_PAINT:
829 {
830 PAINTSTRUCT p;
831 hdc = BeginPaint (hwnd, &p);
832 if (pal) {
833 SelectPalette (hdc, pal, TRUE);
834 RealizePalette (hdc);
835 }
836 term_paint (hdc, p.rcPaint.left, p.rcPaint.top,
837 p.rcPaint.right, p.rcPaint.bottom);
838 SelectObject (hdc, GetStockObject(SYSTEM_FONT));
839 SelectObject (hdc, GetStockObject(WHITE_PEN));
840 EndPaint (hwnd, &p);
841 }
842 return 0;
843 case WM_NETEVENT:
844 {
845 int i = back->msg (wParam, lParam);
846 if (i < 0) {
847 char buf[1024];
848 switch (WSABASEERR + (-i) % 10000) {
849 case WSAECONNRESET:
850 sprintf(buf, "Connection reset by peer");
851 break;
852 default:
853 sprintf(buf, "Unexpected network error %d", -i);
854 break;
855 }
856 MessageBox(hwnd, buf, "PuTTY Fatal Error",
857 MB_ICONERROR | MB_OK);
858 PostQuitMessage(1);
859 } else if (i == 0) {
860 if (cfg.close_on_exit)
861 PostQuitMessage(0);
862 else {
863 MessageBox(hwnd, "Connection closed by remote host",
864 "PuTTY", MB_OK | MB_ICONINFORMATION);
865 SetWindowText (hwnd, "PuTTY (inactive)");
866 }
867 }
868 }
869 return 0;
870 case WM_SETFOCUS:
871 has_focus = TRUE;
872 term_out();
873 term_update();
874 break;
875 case WM_KILLFOCUS:
876 has_focus = FALSE;
877 term_out();
878 term_update();
879 break;
880 case WM_IGNORE_SIZE:
881 ignore_size = TRUE; /* don't panic on next WM_SIZE msg */
882 break;
73251d5d 883 case WM_ENTERSIZEMOVE:
884 EnableSizeTip(1);
885 break;
886 case WM_EXITSIZEMOVE:
887 EnableSizeTip(0);
888 break;
374330e2 889 case WM_SIZING:
890 {
891 int width, height, w, h, ew, eh;
892 LPRECT r = (LPRECT)lParam;
893
894 width = r->right - r->left - extra_width;
895 height = r->bottom - r->top - extra_height;
896 w = (width + font_width/2) / font_width; if (w < 1) w = 1;
897 h = (height + font_height/2) / font_height; if (h < 1) h = 1;
73251d5d 898 UpdateSizeTip(hwnd, w, h);
374330e2 899 ew = width - w * font_width;
900 eh = height - h * font_height;
901 if (ew != 0) {
902 if (wParam == WMSZ_LEFT ||
903 wParam == WMSZ_BOTTOMLEFT ||
904 wParam == WMSZ_TOPLEFT)
905 r->left += ew;
906 else
907 r->right -= ew;
908 }
909 if (eh != 0) {
910 if (wParam == WMSZ_TOP ||
911 wParam == WMSZ_TOPRIGHT ||
912 wParam == WMSZ_TOPLEFT)
913 r->top += eh;
914 else
915 r->bottom -= eh;
916 }
917 if (ew || eh)
918 return 1;
919 else
920 return 0;
921 }
922 break;
923 case WM_SIZE:
924 if (wParam == SIZE_MINIMIZED) {
925 SetWindowText (hwnd,
926 cfg.win_name_always ? window_name : icon_name);
927 break;
928 }
929 if (wParam == SIZE_RESTORED || wParam == SIZE_MAXIMIZED)
930 SetWindowText (hwnd, window_name);
931 if (!ignore_size) {
1a6f78fe 932 int width, height, w, h;
933#if 0 /* we have fixed this using WM_SIZING now */
934 int ew, eh;
935#endif
374330e2 936
937 width = LOWORD(lParam);
938 height = HIWORD(lParam);
939 w = width / font_width; if (w < 1) w = 1;
940 h = height / font_height; if (h < 1) h = 1;
941#if 0 /* we have fixed this using WM_SIZING now */
942 ew = width - w * font_width;
943 eh = height - h * font_height;
944 if (ew != 0 || eh != 0) {
945 RECT r;
946 GetWindowRect (hwnd, &r);
947 SendMessage (hwnd, WM_IGNORE_SIZE, 0, 0);
948 SetWindowPos (hwnd, NULL, 0, 0,
949 r.right - r.left - ew, r.bottom - r.top - eh,
950 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
951 }
952#endif
953 if (w != cols || h != rows || just_reconfigged) {
954 term_invalidate();
955 term_size (h, w, cfg.savelines);
956 back->size();
957 just_reconfigged = FALSE;
958 }
959 }
960 ignore_size = FALSE;
961 return 0;
962 case WM_VSCROLL:
963 switch (LOWORD(wParam)) {
964 case SB_BOTTOM: term_scroll(-1, 0); break;
965 case SB_TOP: term_scroll(+1, 0); break;
966 case SB_LINEDOWN: term_scroll (0, +1); break;
967 case SB_LINEUP: term_scroll (0, -1); break;
968 case SB_PAGEDOWN: term_scroll (0, +rows/2); break;
969 case SB_PAGEUP: term_scroll (0, -rows/2); break;
970 case SB_THUMBPOSITION: case SB_THUMBTRACK:
971 term_scroll (1, HIWORD(wParam)); break;
972 }
973 break;
974 case WM_PALETTECHANGED:
975 if ((HWND) wParam != hwnd && pal != NULL) {
976 HDC hdc = get_ctx();
977 if (hdc) {
978 if (RealizePalette (hdc) > 0)
979 UpdateColors (hdc);
980 free_ctx (hdc);
981 }
982 }
983 break;
984 case WM_QUERYNEWPALETTE:
985 if (pal != NULL) {
986 HDC hdc = get_ctx();
987 if (hdc) {
988 if (RealizePalette (hdc) > 0)
989 UpdateColors (hdc);
990 free_ctx (hdc);
991 return TRUE;
992 }
993 }
994 return FALSE;
995 case WM_KEYDOWN:
996 case WM_SYSKEYDOWN:
997 /*
998 * Add the scan code and keypress timing to the random
999 * number noise, if we're using ssh.
1000 */
1001 if (cfg.protocol == PROT_SSH)
1002 noise_ultralight(lParam);
1003
1004 /*
1005 * We don't do TranslateMessage since it disassociates the
1006 * resulting CHAR message from the KEYDOWN that sparked it,
1007 * which we occasionally don't want. Instead, we process
1008 * KEYDOWN, and call the Win32 translator functions so that
1009 * we get the translations under _our_ control.
1010 */
1011 {
1012 unsigned char buf[20];
1013 int len;
1014
1015 len = TranslateKey (wParam, lParam, buf);
1016 back->send (buf, len);
1017 }
1018 return 0;
67c339f7 1019 case WM_KEYUP:
1020 case WM_SYSKEYUP:
1021 /*
1022 * We handle KEYUP ourselves in order to distinghish left
1023 * and right Alt or Control keys, which Windows won't do
1024 * right if left to itself. See also the special processing
1025 * at the top of TranslateKey.
1026 */
1027 {
1028 BYTE keystate[256];
1029 int ret = GetKeyboardState(keystate);
1030 if (ret && wParam == VK_MENU) {
1031 if (lParam & 0x1000000) keystate[VK_RMENU] = 0;
1032 else keystate[VK_LMENU] = 0;
1033 SetKeyboardState (keystate);
1034 }
1035 if (ret && wParam == VK_CONTROL) {
1036 if (lParam & 0x1000000) keystate[VK_RCONTROL] = 0;
1037 else keystate[VK_LCONTROL] = 0;
1038 SetKeyboardState (keystate);
1039 }
1040 }
1041 /*
1042 * We don't return here, in order to allow Windows to do
1043 * its own KEYUP processing as well.
1044 */
1045 break;
374330e2 1046 case WM_CHAR:
1047 case WM_SYSCHAR:
1048 /*
1049 * Nevertheless, we are prepared to deal with WM_CHAR
1050 * messages, should they crop up. So if someone wants to
1051 * post the things to us as part of a macro manoeuvre,
1052 * we're ready to cope.
1053 */
1054 {
14963b8f 1055 char c = xlat_kbd2tty((unsigned char)wParam);
374330e2 1056 back->send (&c, 1);
1057 }
1058 return 0;
1059 }
1060
1061 return DefWindowProc (hwnd, message, wParam, lParam);
1062}
1063
1064/*
1065 * Draw a line of text in the window, at given character
1066 * coordinates, in given attributes.
1067 *
1068 * We are allowed to fiddle with the contents of `text'.
1069 */
1070void do_text (Context ctx, int x, int y, char *text, int len,
1071 unsigned long attr) {
1072 COLORREF fg, bg, t;
1073 int nfg, nbg, nfont;
1074 HDC hdc = ctx;
1075
1076 x *= font_width;
1077 y *= font_height;
1078
1079 if (attr & ATTR_ACTCURS) {
1080 attr &= (bold_mode == BOLD_COLOURS ? 0x200 : 0x300);
1081 attr ^= ATTR_CUR_XOR;
1082 }
1083
1084 nfont = 0;
1085 if (cfg.vtmode == VT_OEMONLY)
1086 nfont |= FONT_OEM;
1087
1088 /*
1089 * Map high-half characters in order to approximate ISO using
1090 * OEM character set. Characters missing are 0xC3 (Atilde) and
1091 * 0xCC (Igrave).
1092 */
1093 if (nfont & FONT_OEM) {
1094 int i;
1095 for (i=0; i<len; i++)
1096 if (text[i] >= '\xA0' && text[i] <= '\xFF') {
1097 static const char oemhighhalf[] =
1098 "\x20\xAD\xBD\x9C\xCF\xBE\xDD\xF5" /* A0-A7 */
1099 "\xF9\xB8\xA6\xAE\xAA\xF0\xA9\xEE" /* A8-AF */
1100 "\xF8\xF1\xFD\xFC\xEF\xE6\xF4\xFA" /* B0-B7 */
1101 "\xF7\xFB\xA7\xAF\xAC\xAB\xF3\xA8" /* B8-BF */
1102 "\xB7\xB5\xB6\x41\x8E\x8F\x92\x80" /* C0-C7 */
1103 "\xD4\x90\xD2\xD3\x49\xD6\xD7\xD8" /* C8-CF */
1104 "\xD1\xA5\xE3\xE0\xE2\xE5\x99\x9E" /* D0-D7 */
1105 "\x9D\xEB\xE9\xEA\x9A\xED\xE8\xE1" /* D8-DF */
1106 "\x85\xA0\x83\xC6\x84\x86\x91\x87" /* E0-E7 */
1107 "\x8A\x82\x88\x89\x8D\xA1\x8C\x8B" /* E8-EF */
1108 "\xD0\xA4\x95\xA2\x93\xE4\x94\xF6" /* F0-F7 */
1109 "\x9B\x97\xA3\x96\x81\xEC\xE7\x98" /* F8-FF */
1110 ;
1111 text[i] = oemhighhalf[(unsigned char)text[i] - 0xA0];
1112 }
1113 }
1114
1115 if (attr & ATTR_GBCHR) {
1116 int i;
1117 /*
1118 * GB mapping: map # to pound, and everything else stays
1119 * normal.
1120 */
1121 for (i=0; i<len; i++)
1122 if (text[i] == '#')
1123 text[i] = cfg.vtmode == VT_OEMONLY ? '\x9C' : '\xA3';
1124 } else if (attr & ATTR_LINEDRW) {
1125 int i;
1126 static const char poorman[] =
1127 "*#****\xB0\xB1**+++++-----++++|****\xA3\xB7";
1128 static const char oemmap[] =
1129 "*\xB1****\xF8\xF1**\xD9\xBF\xDA\xC0\xC5"
1130 "\xC4\xC4\xC4\xC4\xC4\xC3\xB4\xC1\xC2\xB3****\x9C\xFA";
1131
1132 /*
1133 * Line drawing mapping: map ` thru ~ (0x60 thru 0x7E) to
1134 * VT100 line drawing chars; everything else stays normal.
1135 */
1136 switch (cfg.vtmode) {
1137 case VT_XWINDOWS:
1138 for (i=0; i<len; i++)
1139 if (text[i] >= '\x60' && text[i] <= '\x7E')
1140 text[i] += '\x01' - '\x60';
1141 break;
1142 case VT_OEMANSI:
1143 case VT_OEMONLY:
1144 nfont |= FONT_OEM;
1145 for (i=0; i<len; i++)
1146 if (text[i] >= '\x60' && text[i] <= '\x7E')
1147 text[i] = oemmap[(unsigned char)text[i] - 0x60];
1148 break;
1149 case VT_POORMAN:
1150 for (i=0; i<len; i++)
1151 if (text[i] >= '\x60' && text[i] <= '\x7E')
1152 text[i] = poorman[(unsigned char)text[i] - 0x60];
1153 break;
1154 }
1155 }
1156
1157 nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
1158 nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
1159 if (bold_mode == BOLD_FONT && (attr & ATTR_BOLD))
1160 nfont |= FONT_BOLD;
1161 if (und_mode == UND_FONT && (attr & ATTR_UNDER))
1162 nfont |= FONT_UNDERLINE;
1163 if (attr & ATTR_REVERSE) {
1164 t = nfg; nfg = nbg; nbg = t;
1165 }
1166 if (bold_mode == BOLD_COLOURS && (attr & ATTR_BOLD))
1167 nfg++;
1168 fg = colours[nfg];
1169 bg = colours[nbg];
1170 SelectObject (hdc, fonts[nfont]);
1171 SetTextColor (hdc, fg);
1172 SetBkColor (hdc, bg);
1173 SetBkMode (hdc, OPAQUE);
1174 TextOut (hdc, x, y, text, len);
1175 if (bold_mode == BOLD_SHADOW && (attr & ATTR_BOLD)) {
1176 SetBkMode (hdc, TRANSPARENT);
1177 TextOut (hdc, x-1, y, text, len);
1178 }
1179 if (und_mode == UND_LINE && (attr & ATTR_UNDER)) {
1a6f78fe 1180 HPEN oldpen;
1181 oldpen = SelectObject (hdc, CreatePen(PS_SOLID, 0, fg));
374330e2 1182 MoveToEx (hdc, x, y+descent, NULL);
1183 LineTo (hdc, x+len*font_width, y+descent);
1a6f78fe 1184 oldpen = SelectObject (hdc, oldpen);
1185 DeleteObject (oldpen);
374330e2 1186 }
1187 if (attr & ATTR_PASCURS) {
1188 POINT pts[5];
1a6f78fe 1189 HPEN oldpen;
374330e2 1190 pts[0].x = pts[1].x = pts[4].x = x;
1191 pts[2].x = pts[3].x = x+font_width-1;
1192 pts[0].y = pts[3].y = pts[4].y = y;
1193 pts[1].y = pts[2].y = y+font_height-1;
1a6f78fe 1194 oldpen = SelectObject (hdc, CreatePen(PS_SOLID, 0, colours[23]));
374330e2 1195 Polyline (hdc, pts, 5);
1a6f78fe 1196 oldpen = SelectObject (hdc, oldpen);
1197 DeleteObject (oldpen);
374330e2 1198 }
1199}
1200
1201/*
1202 * Translate a WM_(SYS)?KEYDOWN message into a string of ASCII
1203 * codes. Returns number of bytes used.
1204 */
1205static int TranslateKey(WPARAM wParam, LPARAM lParam, unsigned char *output) {
1206 unsigned char *p = output;
1207 BYTE keystate[256];
1208 int ret, code;
67c339f7 1209 int cancel_alt = FALSE;
374330e2 1210
1211 /*
1212 * Get hold of the keyboard state, because we'll need it a few
1213 * times shortly.
1214 */
1215 ret = GetKeyboardState(keystate);
1216
67c339f7 1217 /*
1218 * Windows does not always want to distinguish left and right
1219 * Alt or Control keys. Thus we keep track of them ourselves.
1220 * See also the WM_KEYUP handler.
1221 */
1222 if (wParam == VK_MENU) {
1223 if (lParam & 0x1000000) keystate[VK_RMENU] = 0x80;
1224 else keystate[VK_LMENU] = 0x80;
1225 SetKeyboardState (keystate);
1226 return 0;
1227 }
1228 if (wParam == VK_CONTROL) {
1229 if (lParam & 0x1000000) keystate[VK_RCONTROL] = 0x80;
1230 else keystate[VK_LCONTROL] = 0x80;
1231 SetKeyboardState (keystate);
1232 return 0;
1233 }
1234
1235 /*
1236 * Prepend ESC, and cancel ALT, if ALT was pressed at the time
1237 * and it wasn't AltGr.
1238 */
1239 if (lParam & 0x20000000 && (keystate[VK_LMENU] & 0x80)) {
1240 *p++ = 0x1B;
1241 cancel_alt = TRUE;
1242 }
1243
374330e2 1244 /*
1245 * Shift-PgUp, Shift-PgDn, and Alt-F4 all produce window
1246 * events: we'll deal with those now.
1247 */
1248 if (ret && (keystate[VK_SHIFT] & 0x80) && wParam == VK_PRIOR) {
1249 SendMessage (hwnd, WM_VSCROLL, SB_PAGEUP, 0);
1250 return 0;
1251 }
1252 if (ret && (keystate[VK_SHIFT] & 0x80) && wParam == VK_NEXT) {
1253 SendMessage (hwnd, WM_VSCROLL, SB_PAGEDOWN, 0);
1254 return 0;
1255 }
1256 if ((lParam & 0x20000000) && wParam == VK_F4) {
68130d34 1257 SendMessage (hwnd, WM_CLOSE, 0, 0);
374330e2 1258 return 0;
1259 }
1260
1261 /*
1262 * In general, the strategy is to see what the Windows keymap
1263 * translation has to say for itself, and then process function
1264 * keys and suchlike ourselves if that fails. But first we must
1265 * deal with the small number of special cases which the
1266 * Windows keymap translator thinks it can do but gets wrong.
1267 *
1268 * First special case: we might want the Backspace key to send
1269 * 0x7F not 0x08.
1270 */
1271 if (wParam == VK_BACK) {
1272 *p++ = (cfg.bksp_is_delete ? 0x7F : 0x08);
1273 return p - output;
1274 }
1275
1276 /*
1277 * Control-Space should send ^@ (0x00), not Space.
1278 */
1279 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == VK_SPACE) {
1280 *p++ = 0x00;
1281 return p - output;
1282 }
1283
1284 /*
1285 * If we're in applications keypad mode, we have to process it
1286 * before char-map translation, because it will pre-empt lots
1287 * of stuff, even if NumLock is off.
1288 */
1289 if (app_keypad_keys) {
1290 if (ret) {
1291 /*
1292 * Hack to ensure NumLock doesn't interfere with
1293 * perception of Shift for Keypad Plus. I don't pretend
1294 * to understand this, but it seems to work as is.
1295 * Leave it alone, or die.
1296 */
1297 keystate[VK_NUMLOCK] = 0;
1298 SetKeyboardState (keystate);
1299 GetKeyboardState (keystate);
1300 }
1301 switch ( (lParam >> 16) & 0x1FF ) {
1302 case 0x145: p += sprintf((char *)p, "\x1BOP"); return p - output;
1303 case 0x135: p += sprintf((char *)p, "\x1BOQ"); return p - output;
1304 case 0x037: p += sprintf((char *)p, "\x1BOR"); return p - output;
1305 case 0x047: p += sprintf((char *)p, "\x1BOw"); return p - output;
1306 case 0x048: p += sprintf((char *)p, "\x1BOx"); return p - output;
1307 case 0x049: p += sprintf((char *)p, "\x1BOy"); return p - output;
1308 case 0x04A: p += sprintf((char *)p, "\x1BOS"); return p - output;
1309 case 0x04B: p += sprintf((char *)p, "\x1BOt"); return p - output;
1310 case 0x04C: p += sprintf((char *)p, "\x1BOu"); return p - output;
1311 case 0x04D: p += sprintf((char *)p, "\x1BOv"); return p - output;
1312 case 0x04E: /* keypad + is ^[Ol, but ^[Om with Shift */
1313 p += sprintf((char *)p,
1314 (ret && (keystate[VK_SHIFT] & 0x80)) ?
1315 "\x1BOm" : "\x1BOl");
1316 return p - output;
1317 case 0x04F: p += sprintf((char *)p, "\x1BOq"); return p - output;
1318 case 0x050: p += sprintf((char *)p, "\x1BOr"); return p - output;
1319 case 0x051: p += sprintf((char *)p, "\x1BOs"); return p - output;
1320 case 0x052: p += sprintf((char *)p, "\x1BOp"); return p - output;
1321 case 0x053: p += sprintf((char *)p, "\x1BOn"); return p - output;
1322 case 0x11C: p += sprintf((char *)p, "\x1BOM"); return p - output;
1323 }
1324 }
1325
1326 /*
67c339f7 1327 * Before doing Windows charmap translation, remove LeftALT
1328 * from the keymap, since its sole effect should be to prepend
1329 * ESC, which we've already done. Note that removal of LeftALT
1330 * has to happen _after_ the above call to SetKeyboardState, or
1331 * dire things will befall.
374330e2 1332 */
67c339f7 1333 if (cancel_alt) {
1334 keystate[VK_MENU] = keystate[VK_RMENU];
1335 keystate[VK_LMENU] = 0;
1336 }
374330e2 1337
1338 /*
1339 * Attempt the Windows char-map translation.
1340 */
1341 if (ret) {
1342 WORD chr;
14963b8f 1343 int r;
1344 BOOL capsOn=keystate[VK_CAPITAL] !=0;
1345
1346 /* helg: clear CAPS LOCK state if caps lock switches to cyrillic */
1347 if(cfg.xlat_capslockcyr)
1348 keystate[VK_CAPITAL] = 0;
1349
1350 r = ToAscii (wParam, (lParam >> 16) & 0xFF,
1351 keystate, &chr, 0);
1352
1353 if(capsOn)
1354 chr = xlat_latkbd2win((unsigned char)(chr & 0xFF));
374330e2 1355 if (r == 1) {
14963b8f 1356 *p++ = xlat_kbd2tty((unsigned char)(chr & 0xFF));
374330e2 1357 return p - output;
1358 }
1359 }
1360
1361 /*
1362 * OK, we haven't had a key code from the keymap translation.
1363 * We'll try our various special cases and function keys, and
1364 * then give up. (There's nothing wrong with giving up:
1365 * Scrollock, Pause/Break, and of course the various buckybit
1366 * keys all produce KEYDOWN events that we really _do_ want to
1367 * ignore.)
1368 */
1369
1370 /*
1371 * Control-2 should return ^@ (0x00), Control-6 should return
1372 * ^^ (0x1E), and Control-Minus should return ^_ (0x1F). Since
1373 * the DOS keyboard handling did it, and we have nothing better
1374 * to do with the key combo in question, we'll also map
1375 * Control-Backquote to ^\ (0x1C).
1376 */
1377 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '2') {
1378 *p++ = 0x00;
1379 return p - output;
1380 }
1381 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '6') {
1382 *p++ = 0x1E;
1383 return p - output;
1384 }
1385 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == 0xBD) {
1386 *p++ = 0x1F;
1387 return p - output;
1388 }
1389 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == 0xDF) {
1390 *p++ = 0x1C;
1391 return p - output;
1392 }
1393
1394 /*
1395 * First, all the keys that do tilde codes. (ESC '[' nn '~',
1396 * for integer decimal nn.)
1397 *
1398 * We also deal with the weird ones here. Linux VCs replace F1
1399 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
1400 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
1401 * respectively.
1402 */
1403 code = 0;
1404 switch (wParam) {
1405 case VK_F1: code = (keystate[VK_SHIFT] & 0x80 ? 23 : 11); break;
1406 case VK_F2: code = (keystate[VK_SHIFT] & 0x80 ? 24 : 12); break;
1407 case VK_F3: code = (keystate[VK_SHIFT] & 0x80 ? 25 : 13); break;
1408 case VK_F4: code = (keystate[VK_SHIFT] & 0x80 ? 26 : 14); break;
1409 case VK_F5: code = (keystate[VK_SHIFT] & 0x80 ? 28 : 15); break;
1410 case VK_F6: code = (keystate[VK_SHIFT] & 0x80 ? 29 : 17); break;
1411 case VK_F7: code = (keystate[VK_SHIFT] & 0x80 ? 31 : 18); break;
1412 case VK_F8: code = (keystate[VK_SHIFT] & 0x80 ? 32 : 19); break;
1413 case VK_F9: code = (keystate[VK_SHIFT] & 0x80 ? 33 : 20); break;
1414 case VK_F10: code = (keystate[VK_SHIFT] & 0x80 ? 34 : 21); break;
1415 case VK_F11: code = 23; break;
1416 case VK_F12: code = 24; break;
1417 case VK_HOME: code = 1; break;
1418 case VK_INSERT: code = 2; break;
1419 case VK_DELETE: code = 3; break;
1420 case VK_END: code = 4; break;
1421 case VK_PRIOR: code = 5; break;
1422 case VK_NEXT: code = 6; break;
1423 }
1424 if (cfg.linux_funkeys && code >= 11 && code <= 15) {
1425 p += sprintf((char *)p, "\x1B[[%c", code + 'A' - 11);
1426 return p - output;
1427 }
1428 if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
1429 p += sprintf((char *)p, code == 1 ? "\x1B[H" : "\x1BOw");
1430 return p - output;
1431 }
1432 if (code) {
1433 p += sprintf((char *)p, "\x1B[%d~", code);
1434 return p - output;
1435 }
1436
1437 /*
1438 * Now the remaining keys (arrows and Keypad 5. Keypad 5 for
1439 * some reason seems to send VK_CLEAR to Windows...).
1440 */
1441 switch (wParam) {
1442 case VK_UP:
1443 p += sprintf((char *)p, app_cursor_keys ? "\x1BOA" : "\x1B[A");
1444 return p - output;
1445 case VK_DOWN:
1446 p += sprintf((char *)p, app_cursor_keys ? "\x1BOB" : "\x1B[B");
1447 return p - output;
1448 case VK_RIGHT:
1449 p += sprintf((char *)p, app_cursor_keys ? "\x1BOC" : "\x1B[C");
1450 return p - output;
1451 case VK_LEFT:
1452 p += sprintf((char *)p, app_cursor_keys ? "\x1BOD" : "\x1B[D");
1453 return p - output;
1454 case VK_CLEAR: p += sprintf((char *)p, "\x1B[G"); return p - output;
1455 }
1456
1457 return 0;
1458}
1459
1460void set_title (char *title) {
1461 sfree (window_name);
1462 window_name = smalloc(1+strlen(title));
1463 strcpy (window_name, title);
37508af4 1464 if (cfg.win_name_always || !IsIconic(hwnd))
374330e2 1465 SetWindowText (hwnd, title);
1466}
1467
1468void set_icon (char *title) {
1469 sfree (icon_name);
1470 icon_name = smalloc(1+strlen(title));
1471 strcpy (icon_name, title);
37508af4 1472 if (!cfg.win_name_always && IsIconic(hwnd))
374330e2 1473 SetWindowText (hwnd, title);
1474}
1475
1476void set_sbar (int total, int start, int page) {
1477 SCROLLINFO si;
1478 si.cbSize = sizeof(si);
1479 si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS | SIF_DISABLENOSCROLL;
1480 si.nMin = 0;
1481 si.nMax = total - 1;
1482 si.nPage = page;
1483 si.nPos = start;
c1f5f956 1484 if (hwnd)
1485 SetScrollInfo (hwnd, SB_VERT, &si, TRUE);
374330e2 1486}
1487
f67b4e85 1488Context get_ctx(void) {
374330e2 1489 HDC hdc;
1490 if (hwnd) {
1491 hdc = GetDC (hwnd);
1492 if (hdc && pal)
1493 SelectPalette (hdc, pal, FALSE);
1494 return hdc;
1495 } else
1496 return NULL;
1497}
1498
1499void free_ctx (Context ctx) {
1500 SelectPalette (ctx, GetStockObject (DEFAULT_PALETTE), FALSE);
1501 ReleaseDC (hwnd, ctx);
1502}
1503
1504static void real_palette_set (int n, int r, int g, int b) {
1505 if (pal) {
1506 logpal->palPalEntry[n].peRed = r;
1507 logpal->palPalEntry[n].peGreen = g;
1508 logpal->palPalEntry[n].peBlue = b;
1509 logpal->palPalEntry[n].peFlags = PC_NOCOLLAPSE;
1510 colours[n] = PALETTERGB(r, g, b);
1511 SetPaletteEntries (pal, 0, NCOLOURS, logpal->palPalEntry);
1512 } else
1513 colours[n] = RGB(r, g, b);
1514}
1515
1516void palette_set (int n, int r, int g, int b) {
1517 static const int first[21] = {
1518 0, 2, 4, 6, 8, 10, 12, 14,
1519 1, 3, 5, 7, 9, 11, 13, 15,
1520 16, 17, 18, 20, 22
1521 };
1522 real_palette_set (first[n], r, g, b);
1523 if (first[n] >= 18)
1524 real_palette_set (first[n]+1, r, g, b);
1525 if (pal) {
1526 HDC hdc = get_ctx();
1527 UnrealizeObject (pal);
1528 RealizePalette (hdc);
1529 free_ctx (hdc);
1530 }
1531}
1532
1533void palette_reset (void) {
1534 int i;
1535
1536 for (i = 0; i < NCOLOURS; i++) {
1537 if (pal) {
1538 logpal->palPalEntry[i].peRed = defpal[i].rgbtRed;
1539 logpal->palPalEntry[i].peGreen = defpal[i].rgbtGreen;
1540 logpal->palPalEntry[i].peBlue = defpal[i].rgbtBlue;
1541 logpal->palPalEntry[i].peFlags = 0;
1542 colours[i] = PALETTERGB(defpal[i].rgbtRed,
1543 defpal[i].rgbtGreen,
1544 defpal[i].rgbtBlue);
1545 } else
1546 colours[i] = RGB(defpal[i].rgbtRed,
1547 defpal[i].rgbtGreen,
1548 defpal[i].rgbtBlue);
1549 }
1550
1551 if (pal) {
1552 HDC hdc;
1553 SetPaletteEntries (pal, 0, NCOLOURS, logpal->palPalEntry);
1554 hdc = get_ctx();
1555 RealizePalette (hdc);
1556 free_ctx (hdc);
1557 }
1558}
1559
1560void write_clip (void *data, int len) {
1561 HGLOBAL clipdata;
1562 void *lock;
1563
1564 clipdata = GlobalAlloc (GMEM_DDESHARE | GMEM_MOVEABLE, len + 1);
1565 if (!clipdata)
1566 return;
1567 lock = GlobalLock (clipdata);
1568 if (!lock)
1569 return;
1570 memcpy (lock, data, len);
1571 ((unsigned char *) lock) [len] = 0;
1572 GlobalUnlock (clipdata);
1573
1574 SendMessage (hwnd, WM_IGNORE_CLIP, TRUE, 0);
1575 if (OpenClipboard (hwnd)) {
1576 EmptyClipboard();
1577 SetClipboardData (CF_TEXT, clipdata);
1578 CloseClipboard();
1579 } else
1580 GlobalFree (clipdata);
1581 SendMessage (hwnd, WM_IGNORE_CLIP, FALSE, 0);
1582}
1583
1584void get_clip (void **p, int *len) {
1585 static HGLOBAL clipdata = NULL;
1586
1587 if (!p) {
1588 if (clipdata)
1589 GlobalUnlock (clipdata);
1590 clipdata = NULL;
1591 return;
1592 } else {
1593 if (OpenClipboard (NULL)) {
1594 clipdata = GetClipboardData (CF_TEXT);
1595 CloseClipboard();
1596 if (clipdata) {
1597 *p = GlobalLock (clipdata);
1598 if (*p) {
1599 *len = strlen(*p);
1600 return;
1601 }
1602 }
1603 }
1604 }
1605
1606 *p = NULL;
1607 *len = 0;
1608}
1609
1610/*
1611 * Move `lines' lines from position `from' to position `to' in the
1612 * window.
1613 */
1614void optimised_move (int to, int from, int lines) {
1615 RECT r;
f67b4e85 1616 int min, max;
374330e2 1617
1618 min = (to < from ? to : from);
1619 max = to + from - min;
374330e2 1620
1621 r.left = 0; r.right = cols * font_width;
1622 r.top = min * font_height; r.bottom = (max+lines) * font_height;
1623 ScrollWindow (hwnd, 0, (to - from) * font_height, &r, &r);
1624}
1625
1626/*
1627 * Print a message box and perform a fatal exit.
1628 */
1629void fatalbox(char *fmt, ...) {
1630 va_list ap;
1631 char stuff[200];
1632
1633 va_start(ap, fmt);
1634 vsprintf(stuff, fmt, ap);
1635 va_end(ap);
1636 MessageBox(hwnd, stuff, "PuTTY Fatal Error", MB_ICONERROR | MB_OK);
1637 exit(1);
1638}
1639
1640/*
1641 * Beep.
1642 */
1643void beep(void) {
1644 MessageBeep(MB_OK);
1645}
Simon Tatham's PuTTY GUI SSH client; import of svn://svn.tartarus.org/sgt/putty