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Added a couple of GLOBALs
[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
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
0a4aa984 31#define IDM_SAVEDSESS 521
32
33#define IDM_SAVED_MIN 4096
34#define IDM_SAVED_MAX 8192
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
85 winsock_ver = MAKEWORD(1, 1);
86 if (WSAStartup(winsock_ver, &wsadata)) {
87 MessageBox(NULL, "Unable to initialise WinSock", "WinSock Error",
88 MB_OK | MB_ICONEXCLAMATION);
89 return 1;
90 }
91 if (LOBYTE(wsadata.wVersion) != 1 || HIBYTE(wsadata.wVersion) != 1) {
92 MessageBox(NULL, "WinSock version is incompatible with 1.1",
93 "WinSock Error", MB_OK | MB_ICONEXCLAMATION);
94 WSACleanup();
95 return 1;
96 }
97 /* WISHLIST: maybe allow config tweaking even if winsock not present? */
98
99 InitCommonControls();
100
101 /*
102 * Process the command line.
103 */
104 {
105 char *p;
106
e277c42d 107 default_protocol = DEFAULT_PROTOCOL;
108 default_port = DEFAULT_PORT;
109
374330e2 110 do_defaults(NULL);
111
112 p = cmdline;
113 while (*p && isspace(*p)) p++;
114
115 /*
e277c42d 116 * Process command line options first. Yes, this can be
117 * done better, and it will be as soon as I have the
118 * energy...
119 */
120 while (*p == '-') {
121 char *q = p + strcspn(p, " \t");
122 p++;
123 if (q == p + 3 &&
124 tolower(p[0]) == 's' &&
125 tolower(p[1]) == 's' &&
126 tolower(p[2]) == 'h') {
127 default_protocol = cfg.protocol = PROT_SSH;
128 default_port = cfg.port = 22;
129 }
130 p = q + strspn(q, " \t");
131 }
132
133 /*
374330e2 134 * An initial @ means to activate a saved session.
135 */
136 if (*p == '@') {
137 do_defaults (p+1);
138 if (!*cfg.host && !do_config()) {
139 WSACleanup();
140 return 0;
141 }
142 } else if (*p == '&') {
143 /*
144 * An initial & means we've been given a command line
145 * containing the hex value of a HANDLE for a file
146 * mapping object, which we must then extract as a
147 * config.
148 */
149 HANDLE filemap;
150 Config *cp;
151 if (sscanf(p+1, "%x", &filemap) == 1 &&
152 (cp = MapViewOfFile(filemap, FILE_MAP_READ,
153 0, 0, sizeof(Config))) != NULL) {
154 cfg = *cp;
155 UnmapViewOfFile(cp);
156 CloseHandle(filemap);
157 } else if (!do_config()) {
158 WSACleanup();
159 return 0;
160 }
161 } else if (*p) {
162 char *q = p;
163 while (*p && !isspace(*p)) p++;
164 if (*p)
165 *p++ = '\0';
166 strncpy (cfg.host, q, sizeof(cfg.host)-1);
167 cfg.host[sizeof(cfg.host)-1] = '\0';
168 while (*p && isspace(*p)) p++;
169 if (*p)
170 cfg.port = atoi(p);
171 else
172 cfg.port = -1;
173 } else {
174 if (!do_config()) {
175 WSACleanup();
176 return 0;
177 }
178 }
179 }
180
181 back = (cfg.protocol == PROT_SSH ? &ssh_backend : &telnet_backend);
182
183 if (!prev) {
184 wndclass.style = 0;
185 wndclass.lpfnWndProc = WndProc;
186 wndclass.cbClsExtra = 0;
187 wndclass.cbWndExtra = 0;
188 wndclass.hInstance = inst;
189 wndclass.hIcon = LoadIcon (inst,
190 MAKEINTRESOURCE(IDI_MAINICON));
1bb542b2 191 wndclass.hCursor = LoadCursor (NULL, IDC_IBEAM);
374330e2 192 wndclass.hbrBackground = GetStockObject (BLACK_BRUSH);
193 wndclass.lpszMenuName = NULL;
194 wndclass.lpszClassName = appname;
195
196 RegisterClass (&wndclass);
197 }
198
199 hwnd = NULL;
200
201 savelines = cfg.savelines;
202 term_init();
203
204 cfgtopalette();
205
206 /*
207 * Guess some defaults for the window size. This all gets
208 * updated later, so we don't really care too much. However, we
209 * do want the font width/height guesses to correspond to a
210 * large font rather than a small one...
211 */
212
213 font_width = 10;
214 font_height = 20;
215 extra_width = 25;
216 extra_height = 28;
217 term_size (cfg.height, cfg.width, cfg.savelines);
218 guess_width = extra_width + font_width * cols;
219 guess_height = extra_height + font_height * rows;
220 {
221 RECT r;
222 HWND w = GetDesktopWindow();
223 GetWindowRect (w, &r);
224 if (guess_width > r.right - r.left)
225 guess_width = r.right - r.left;
226 if (guess_height > r.bottom - r.top)
227 guess_height = r.bottom - r.top;
228 }
229
230 hwnd = CreateWindow (appname, appname,
231 WS_OVERLAPPEDWINDOW | WS_VSCROLL,
232 CW_USEDEFAULT, CW_USEDEFAULT,
233 guess_width, guess_height,
234 NULL, NULL, inst, NULL);
235
236 /*
237 * Initialise the fonts, simultaneously correcting the guesses
238 * for font_{width,height}.
239 */
240 bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
241 und_mode = UND_FONT;
242 init_fonts();
243
244 /*
245 * Correct the guesses for extra_{width,height}.
246 */
247 {
248 RECT cr, wr;
249 GetWindowRect (hwnd, &wr);
250 GetClientRect (hwnd, &cr);
251 extra_width = wr.right - wr.left - cr.right + cr.left;
252 extra_height = wr.bottom - wr.top - cr.bottom + cr.top;
253 }
254
255 /*
256 * Resize the window, now we know what size we _really_ want it
257 * to be.
258 */
259 guess_width = extra_width + font_width * cols;
260 guess_height = extra_height + font_height * rows;
261 SendMessage (hwnd, WM_IGNORE_SIZE, 0, 0);
262 SetWindowPos (hwnd, NULL, 0, 0, guess_width, guess_height,
263 SWP_NOMOVE | SWP_NOREDRAW | SWP_NOZORDER);
264
265 /*
266 * Initialise the scroll bar.
267 */
268 {
269 SCROLLINFO si;
270
271 si.cbSize = sizeof(si);
272 si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS | SIF_DISABLENOSCROLL;
273 si.nMin = 0;
274 si.nMax = rows-1;
275 si.nPage = rows;
276 si.nPos = 0;
277 SetScrollInfo (hwnd, SB_VERT, &si, FALSE);
278 }
279
280 /*
281 * Start up the telnet connection.
282 */
283 {
284 char *error;
285 char msg[1024];
286 char *realhost;
287
288 error = back->init (hwnd, cfg.host, cfg.port, &realhost);
289 if (error) {
290 sprintf(msg, "Unable to open connection:\n%s", error);
291 MessageBox(NULL, msg, "PuTTY Error", MB_ICONERROR | MB_OK);
292 return 0;
293 }
294 window_name = icon_name = NULL;
5ac36532 295 sprintf(msg, "%s - PuTTY", realhost);
374330e2 296 set_title (msg);
297 set_icon (msg);
298 }
299
300 /*
301 * Set up the input and output buffers.
302 */
303 inbuf_reap = inbuf_head = 0;
304 outbuf_reap = outbuf_head = 0;
305
306 /*
307 * Prepare the mouse handler.
308 */
309 lastact = MA_NOTHING;
310 lastbtn = MB_NOTHING;
311 dbltime = GetDoubleClickTime();
312
313 /*
314 * Set up the session-control options on the system menu.
315 */
316 {
317 HMENU m = GetSystemMenu (hwnd, FALSE);
0a4aa984 318 HMENU p,s;
319 int i;
374330e2 320
321 AppendMenu (m, MF_SEPARATOR, 0, 0);
322 if (cfg.protocol == PROT_TELNET) {
323 p = CreateMenu();
324 AppendMenu (p, MF_ENABLED, IDM_TEL_AYT, "Are You There");
325 AppendMenu (p, MF_ENABLED, IDM_TEL_BRK, "Break");
326 AppendMenu (p, MF_ENABLED, IDM_TEL_SYNCH, "Synch");
327 AppendMenu (p, MF_SEPARATOR, 0, 0);
328 AppendMenu (p, MF_ENABLED, IDM_TEL_EC, "Erase Character");
329 AppendMenu (p, MF_ENABLED, IDM_TEL_EL, "Erase Line");
330 AppendMenu (p, MF_ENABLED, IDM_TEL_GA, "Go Ahead");
331 AppendMenu (p, MF_ENABLED, IDM_TEL_NOP, "No Operation");
332 AppendMenu (p, MF_SEPARATOR, 0, 0);
333 AppendMenu (p, MF_ENABLED, IDM_TEL_ABORT, "Abort Process");
334 AppendMenu (p, MF_ENABLED, IDM_TEL_AO, "Abort Output");
335 AppendMenu (p, MF_ENABLED, IDM_TEL_IP, "Interrupt Process");
336 AppendMenu (p, MF_ENABLED, IDM_TEL_SUSP, "Suspend Process");
337 AppendMenu (p, MF_SEPARATOR, 0, 0);
338 AppendMenu (p, MF_ENABLED, IDM_TEL_EOR, "End Of Record");
339 AppendMenu (p, MF_ENABLED, IDM_TEL_EOF, "End Of File");
340 AppendMenu (m, MF_POPUP | MF_ENABLED, (UINT) p, "Telnet Command");
341 AppendMenu (m, MF_ENABLED, IDM_SHOWLOG, "Show Negotiation");
342 AppendMenu (m, MF_SEPARATOR, 0, 0);
343 }
344 AppendMenu (m, MF_ENABLED, IDM_NEWSESS, "New Session");
345 AppendMenu (m, MF_ENABLED, IDM_DUPSESS, "Duplicate Session");
0a4aa984 346 s = CreateMenu();
347 get_sesslist(TRUE);
348 for (i = 1 ; i < ((nsessions < 256) ? nsessions : 256) ; i++)
349 AppendMenu (s, MF_ENABLED, IDM_SAVED_MIN + (16 * i) , sessions[i]);
350 AppendMenu (m, MF_POPUP | MF_ENABLED, (UINT) s, "Saved Sessions");
374330e2 351 AppendMenu (m, MF_ENABLED, IDM_RECONF, "Change Settings");
352 AppendMenu (m, MF_SEPARATOR, 0, 0);
353 AppendMenu (m, MF_ENABLED, IDM_CLRSB, "Clear Scrollback");
354 AppendMenu (m, MF_ENABLED, IDM_RESET, "Reset Terminal");
355 AppendMenu (m, MF_SEPARATOR, 0, 0);
356 AppendMenu (m, MF_ENABLED, IDM_ABOUT, "About PuTTY");
357 }
358
359 /*
360 * Finally show the window!
361 */
362 ShowWindow (hwnd, show);
363
364 /*
365 * Set the palette up.
366 */
367 pal = NULL;
368 logpal = NULL;
369 init_palette();
370
371 has_focus = (GetForegroundWindow() == hwnd);
372 UpdateWindow (hwnd);
373
374 while (GetMessage (&msg, NULL, 0, 0)) {
375 DispatchMessage (&msg);
376 if (inbuf_reap != inbuf_head)
377 term_out();
378 /* In idle moments, do a full screen update */
379 if (!PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
380 term_update();
381 }
382
383 /*
384 * Clean up.
385 */
386 {
387 int i;
388 for (i=0; i<8; i++)
389 if (fonts[i])
390 DeleteObject(fonts[i]);
391 }
392 sfree(logpal);
393 if (pal)
394 DeleteObject(pal);
395 WSACleanup();
396
397 if (cfg.protocol == PROT_SSH)
398 random_save_seed();
399
400 return msg.wParam;
401}
402
403/*
404 * Copy the colour palette from the configuration data into defpal.
405 * This is non-trivial because the colour indices are different.
406 */
407static void cfgtopalette(void) {
408 int i;
409 static const int ww[] = {
410 6, 7, 8, 9, 10, 11, 12, 13,
411 14, 15, 16, 17, 18, 19, 20, 21,
412 0, 1, 2, 3, 4, 4, 5, 5
413 };
414
415 for (i=0; i<24; i++) {
416 int w = ww[i];
417 defpal[i].rgbtRed = cfg.colours[w][0];
418 defpal[i].rgbtGreen = cfg.colours[w][1];
419 defpal[i].rgbtBlue = cfg.colours[w][2];
420 }
421}
422
423/*
424 * Set up the colour palette.
425 */
426static void init_palette(void) {
427 int i;
428 HDC hdc = GetDC (hwnd);
429 if (hdc) {
430 if (cfg.try_palette &&
431 GetDeviceCaps (hdc, RASTERCAPS) & RC_PALETTE) {
432 logpal = smalloc(sizeof(*logpal)
433 - sizeof(logpal->palPalEntry)
434 + NCOLOURS * sizeof(PALETTEENTRY));
435 logpal->palVersion = 0x300;
436 logpal->palNumEntries = NCOLOURS;
437 for (i = 0; i < NCOLOURS; i++) {
438 logpal->palPalEntry[i].peRed = defpal[i].rgbtRed;
439 logpal->palPalEntry[i].peGreen = defpal[i].rgbtGreen;
440 logpal->palPalEntry[i].peBlue = defpal[i].rgbtBlue;
441 logpal->palPalEntry[i].peFlags = PC_NOCOLLAPSE;
442 }
443 pal = CreatePalette (logpal);
444 if (pal) {
445 SelectPalette (hdc, pal, FALSE);
446 RealizePalette (hdc);
447 SelectPalette (hdc, GetStockObject (DEFAULT_PALETTE),
448 FALSE);
449 }
450 }
451 ReleaseDC (hwnd, hdc);
452 }
453 if (pal)
454 for (i=0; i<NCOLOURS; i++)
455 colours[i] = PALETTERGB(defpal[i].rgbtRed,
456 defpal[i].rgbtGreen,
457 defpal[i].rgbtBlue);
458 else
459 for(i=0; i<NCOLOURS; i++)
460 colours[i] = RGB(defpal[i].rgbtRed,
461 defpal[i].rgbtGreen,
462 defpal[i].rgbtBlue);
463}
464
465/*
466 * Initialise all the fonts we will need. There may be as many as
467 * eight or as few as one. We also:
468 *
469 * - check the font width and height, correcting our guesses if
470 * necessary.
471 *
472 * - verify that the bold font is the same width as the ordinary
473 * one, and engage shadow bolding if not.
474 *
475 * - verify that the underlined font is the same width as the
476 * ordinary one (manual underlining by means of line drawing can
477 * be done in a pinch).
478 *
479 * - verify, in OEM/ANSI combined mode, that the OEM and ANSI base
480 * fonts are the same size, and shift to OEM-only mode if not.
481 */
482static void init_fonts(void) {
483 TEXTMETRIC tm;
484 int i, j;
485 int widths[5];
486 HDC hdc;
487 int fw_dontcare, fw_bold;
488
489 for (i=0; i<8; i++)
490 fonts[i] = NULL;
491
492 if (cfg.fontisbold) {
493 fw_dontcare = FW_BOLD;
494 fw_bold = FW_BLACK;
495 } else {
496 fw_dontcare = FW_DONTCARE;
497 fw_bold = FW_BOLD;
498 }
499
500#define f(i,c,w,u) \
501 fonts[i] = CreateFont (cfg.fontheight, 0, 0, 0, w, FALSE, u, FALSE, \
502 c, OUT_DEFAULT_PRECIS, \
503 CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, \
504 FIXED_PITCH | FF_DONTCARE, cfg.font)
505 if (cfg.vtmode != VT_OEMONLY) {
506 f(FONT_NORMAL, ANSI_CHARSET, fw_dontcare, FALSE);
507 f(FONT_UNDERLINE, ANSI_CHARSET, fw_dontcare, TRUE);
508 }
509 if (cfg.vtmode == VT_OEMANSI || cfg.vtmode == VT_OEMONLY) {
510 f(FONT_OEM, OEM_CHARSET, fw_dontcare, FALSE);
511 f(FONT_OEMUND, OEM_CHARSET, fw_dontcare, TRUE);
512 }
513 if (bold_mode == BOLD_FONT) {
514 if (cfg.vtmode != VT_OEMONLY) {
515 f(FONT_BOLD, ANSI_CHARSET, fw_bold, FALSE);
516 f(FONT_BOLDUND, ANSI_CHARSET, fw_bold, TRUE);
517 }
518 if (cfg.vtmode == VT_OEMANSI || cfg.vtmode == VT_OEMONLY) {
519 f(FONT_OEMBOLD, OEM_CHARSET, fw_bold, FALSE);
520 f(FONT_OEMBOLDUND, OEM_CHARSET, fw_bold, TRUE);
521 }
522 } else {
523 fonts[FONT_BOLD] = fonts[FONT_BOLDUND] = NULL;
524 fonts[FONT_OEMBOLD] = fonts[FONT_OEMBOLDUND] = NULL;
525 }
526#undef f
527
528 hdc = GetDC(hwnd);
529
530 if (cfg.vtmode == VT_OEMONLY)
531 j = 4;
532 else
533 j = 0;
534
535 for (i=0; i<(cfg.vtmode == VT_OEMANSI ? 5 : 4); i++) {
536 if (fonts[i+j]) {
537 SelectObject (hdc, fonts[i+j]);
538 GetTextMetrics(hdc, &tm);
539 if (i == 0 || i == 4) {
540 font_height = tm.tmHeight;
541 font_width = tm.tmAveCharWidth;
542 descent = tm.tmAscent + 1;
543 if (descent >= font_height)
544 descent = font_height - 1;
545 }
546 widths[i] = tm.tmAveCharWidth;
547 }
548 }
549
550 ReleaseDC (hwnd, hdc);
551
552 if (widths[FONT_UNDERLINE] != widths[FONT_NORMAL] ||
553 (bold_mode == BOLD_FONT &&
554 widths[FONT_BOLDUND] != widths[FONT_BOLD])) {
555 und_mode = UND_LINE;
556 DeleteObject (fonts[FONT_UNDERLINE]);
557 if (bold_mode == BOLD_FONT)
558 DeleteObject (fonts[FONT_BOLDUND]);
559 }
560
561 if (bold_mode == BOLD_FONT &&
562 widths[FONT_BOLD] != widths[FONT_NORMAL]) {
563 bold_mode = BOLD_SHADOW;
564 DeleteObject (fonts[FONT_BOLD]);
565 if (und_mode == UND_FONT)
566 DeleteObject (fonts[FONT_BOLDUND]);
567 }
568
569 if (cfg.vtmode == VT_OEMANSI && widths[FONT_OEM] != widths[FONT_NORMAL]) {
570 MessageBox(NULL, "The OEM and ANSI versions of this font are\n"
571 "different sizes. Using OEM-only mode instead",
572 "Font Size Mismatch", MB_ICONINFORMATION | MB_OK);
573 cfg.vtmode = VT_OEMONLY;
574 for (i=0; i<4; i++)
575 if (fonts[i])
576 DeleteObject (fonts[i]);
577 }
578}
579
580void request_resize (int w, int h) {
581 int width = extra_width + font_width * w;
582 int height = extra_height + font_height * h;
583
584 SetWindowPos (hwnd, NULL, 0, 0, width, height,
585 SWP_NOACTIVATE | SWP_NOCOPYBITS |
586 SWP_NOMOVE | SWP_NOZORDER);
587}
588
589static void click (Mouse_Button b, int x, int y) {
fdedf2c8 590 int thistime = GetMessageTime();
591
592 if (lastbtn == b && thistime - lasttime < dbltime) {
374330e2 593 lastact = (lastact == MA_CLICK ? MA_2CLK :
594 lastact == MA_2CLK ? MA_3CLK :
595 lastact == MA_3CLK ? MA_CLICK : MA_NOTHING);
596 } else {
597 lastbtn = b;
598 lastact = MA_CLICK;
599 }
600 if (lastact != MA_NOTHING)
601 term_mouse (b, lastact, x, y);
fdedf2c8 602 lasttime = thistime;
374330e2 603}
604
605static int WINAPI WndProc (HWND hwnd, UINT message,
606 WPARAM wParam, LPARAM lParam) {
607 HDC hdc;
608 static int ignore_size = FALSE;
609 static int ignore_clip = FALSE;
610 static int just_reconfigged = FALSE;
611
612 switch (message) {
613 case WM_CREATE:
614 break;
615 case WM_DESTROY:
616 PostQuitMessage (0);
617 return 0;
0a4aa984 618 case WM_SYSCOMMAND:
374330e2 619 switch (wParam) {
620 case IDM_SHOWLOG:
621 shownegot(hwnd);
622 break;
623 case IDM_NEWSESS:
624 case IDM_DUPSESS:
0a4aa984 625 case IDM_SAVEDSESS:
374330e2 626 {
627 char b[2048];
628 char c[30], *cl;
629 STARTUPINFO si;
630 PROCESS_INFORMATION pi;
631 HANDLE filemap = NULL;
632
633 if (wParam == IDM_DUPSESS) {
634 /*
635 * Allocate a file-mapping memory chunk for the
636 * config structure.
637 */
638 SECURITY_ATTRIBUTES sa;
639 Config *p;
640
641 sa.nLength = sizeof(sa);
642 sa.lpSecurityDescriptor = NULL;
643 sa.bInheritHandle = TRUE;
644 filemap = CreateFileMapping((HANDLE)0xFFFFFFFF,
645 &sa,
646 PAGE_READWRITE,
647 0,
648 sizeof(Config),
649 NULL);
650 if (filemap) {
651 p = (Config *)MapViewOfFile(filemap,
652 FILE_MAP_WRITE,
653 0, 0, sizeof(Config));
654 if (p) {
655 *p = cfg; /* structure copy */
656 UnmapViewOfFile(p);
657 }
658 }
659 sprintf(c, "putty &%08x", filemap);
660 cl = c;
0a4aa984 661 } else if (wParam == IDM_SAVEDSESS) {
662 sprintf(c, "putty @%s", sessions[(lParam - IDM_SAVED_MIN) / 16]);
663 cl = c;
374330e2 664 } else
0a4aa984 665 cl = NULL;
374330e2 666
667 GetModuleFileName (NULL, b, sizeof(b)-1);
668 si.cb = sizeof(si);
669 si.lpReserved = NULL;
670 si.lpDesktop = NULL;
671 si.lpTitle = NULL;
672 si.dwFlags = 0;
673 si.cbReserved2 = 0;
674 si.lpReserved2 = NULL;
675 CreateProcess (b, cl, NULL, NULL, TRUE,
676 NORMAL_PRIORITY_CLASS, NULL, NULL, &si, &pi);
677
678 if (filemap)
679 CloseHandle(filemap);
680 }
681 break;
682 case IDM_RECONF:
683 if (!do_reconfig(hwnd))
684 break;
685 just_reconfigged = TRUE;
686 {
687 int i;
688 for (i=0; i<8; i++)
689 if (fonts[i])
690 DeleteObject(fonts[i]);
691 }
692 bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
693 und_mode = UND_FONT;
694 init_fonts();
695 sfree(logpal);
696 if (pal)
697 DeleteObject(pal);
698 logpal = NULL;
699 pal = NULL;
700 cfgtopalette();
701 init_palette();
702 term_size(cfg.height, cfg.width, cfg.savelines);
703 InvalidateRect(hwnd, NULL, TRUE);
704 SetWindowPos (hwnd, NULL, 0, 0,
705 extra_width + font_width * cfg.width,
706 extra_height + font_height * cfg.height,
707 SWP_NOACTIVATE | SWP_NOCOPYBITS |
708 SWP_NOMOVE | SWP_NOZORDER);
709 if (IsIconic(hwnd)) {
710 SetWindowText (hwnd,
711 cfg.win_name_always ? window_name : icon_name);
712 }
713 break;
714 case IDM_CLRSB:
715 term_clrsb();
716 break;
717 case IDM_RESET:
718 term_pwron();
719 break;
720 case IDM_TEL_AYT: back->special (TS_AYT); break;
721 case IDM_TEL_BRK: back->special (TS_BRK); break;
722 case IDM_TEL_SYNCH: back->special (TS_SYNCH); break;
723 case IDM_TEL_EC: back->special (TS_EC); break;
724 case IDM_TEL_EL: back->special (TS_EL); break;
725 case IDM_TEL_GA: back->special (TS_GA); break;
726 case IDM_TEL_NOP: back->special (TS_NOP); break;
727 case IDM_TEL_ABORT: back->special (TS_ABORT); break;
728 case IDM_TEL_AO: back->special (TS_AO); break;
729 case IDM_TEL_IP: back->special (TS_IP); break;
730 case IDM_TEL_SUSP: back->special (TS_SUSP); break;
731 case IDM_TEL_EOR: back->special (TS_EOR); break;
732 case IDM_TEL_EOF: back->special (TS_EOF); break;
733 case IDM_ABOUT:
734 showabout (hwnd);
735 break;
0a4aa984 736 default:
737 if (wParam >= IDM_SAVED_MIN && wParam <= IDM_SAVED_MAX) {
738 SendMessage(hwnd, WM_SYSCOMMAND, IDM_SAVEDSESS, wParam);
739 }
374330e2 740 }
741 break;
37508af4 742
743#define X_POS(l) ((int)(short)LOWORD(l))
744#define Y_POS(l) ((int)(short)HIWORD(l))
745
fdedf2c8 746#define TO_CHR_X(x) (((x)<0 ? (x)-font_width+1 : (x)) / font_width)
747#define TO_CHR_Y(y) (((y)<0 ? (y)-font_height+1: (y)) / font_height)
748
374330e2 749 case WM_LBUTTONDOWN:
fdedf2c8 750 click (MB_SELECT, TO_CHR_X(X_POS(lParam)),
751 TO_CHR_Y(Y_POS(lParam)));
fef97f43 752 SetCapture(hwnd);
374330e2 753 return 0;
754 case WM_LBUTTONUP:
fdedf2c8 755 term_mouse (MB_SELECT, MA_RELEASE, TO_CHR_X(X_POS(lParam)),
756 TO_CHR_Y(Y_POS(lParam)));
37508af4 757 ReleaseCapture();
374330e2 758 return 0;
759 case WM_MBUTTONDOWN:
37508af4 760 SetCapture(hwnd);
374330e2 761 click (cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND,
fdedf2c8 762 TO_CHR_X(X_POS(lParam)),
763 TO_CHR_Y(Y_POS(lParam)));
374330e2 764 return 0;
765 case WM_MBUTTONUP:
766 term_mouse (cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND,
fdedf2c8 767 MA_RELEASE, TO_CHR_X(X_POS(lParam)),
768 TO_CHR_Y(Y_POS(lParam)));
37508af4 769 ReleaseCapture();
a0b1cefc 770 return 0;
374330e2 771 case WM_RBUTTONDOWN:
37508af4 772 SetCapture(hwnd);
374330e2 773 click (cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE,
fdedf2c8 774 TO_CHR_X(X_POS(lParam)),
775 TO_CHR_Y(Y_POS(lParam)));
374330e2 776 return 0;
777 case WM_RBUTTONUP:
778 term_mouse (cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE,
fdedf2c8 779 MA_RELEASE, TO_CHR_X(X_POS(lParam)),
780 TO_CHR_Y(Y_POS(lParam)));
37508af4 781 ReleaseCapture();
374330e2 782 return 0;
783 case WM_MOUSEMOVE:
784 /*
785 * Add the mouse position and message time to the random
786 * number noise, if we're using ssh.
787 */
788 if (cfg.protocol == PROT_SSH)
789 noise_ultralight(lParam);
790
791 if (wParam & (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON)) {
792 Mouse_Button b;
793 if (wParam & MK_LBUTTON)
794 b = MB_SELECT;
795 else if (wParam & MK_MBUTTON)
796 b = cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND;
797 else
798 b = cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE;
fdedf2c8 799 term_mouse (b, MA_DRAG, TO_CHR_X(X_POS(lParam)),
800 TO_CHR_Y(Y_POS(lParam)));
374330e2 801 }
374330e2 802 return 0;
803 case WM_IGNORE_CLIP:
804 ignore_clip = wParam; /* don't panic on DESTROYCLIPBOARD */
805 break;
806 case WM_DESTROYCLIPBOARD:
807 if (!ignore_clip)
808 term_deselect();
809 ignore_clip = FALSE;
810 return 0;
811 case WM_PAINT:
812 {
813 PAINTSTRUCT p;
814 hdc = BeginPaint (hwnd, &p);
815 if (pal) {
816 SelectPalette (hdc, pal, TRUE);
817 RealizePalette (hdc);
818 }
819 term_paint (hdc, p.rcPaint.left, p.rcPaint.top,
820 p.rcPaint.right, p.rcPaint.bottom);
821 SelectObject (hdc, GetStockObject(SYSTEM_FONT));
822 SelectObject (hdc, GetStockObject(WHITE_PEN));
823 EndPaint (hwnd, &p);
824 }
825 return 0;
826 case WM_NETEVENT:
827 {
828 int i = back->msg (wParam, lParam);
829 if (i < 0) {
830 char buf[1024];
831 switch (WSABASEERR + (-i) % 10000) {
832 case WSAECONNRESET:
833 sprintf(buf, "Connection reset by peer");
834 break;
835 default:
836 sprintf(buf, "Unexpected network error %d", -i);
837 break;
838 }
839 MessageBox(hwnd, buf, "PuTTY Fatal Error",
840 MB_ICONERROR | MB_OK);
841 PostQuitMessage(1);
842 } else if (i == 0) {
843 if (cfg.close_on_exit)
844 PostQuitMessage(0);
845 else {
846 MessageBox(hwnd, "Connection closed by remote host",
847 "PuTTY", MB_OK | MB_ICONINFORMATION);
848 SetWindowText (hwnd, "PuTTY (inactive)");
849 }
850 }
851 }
852 return 0;
853 case WM_SETFOCUS:
854 has_focus = TRUE;
855 term_out();
856 term_update();
857 break;
858 case WM_KILLFOCUS:
859 has_focus = FALSE;
860 term_out();
861 term_update();
862 break;
863 case WM_IGNORE_SIZE:
864 ignore_size = TRUE; /* don't panic on next WM_SIZE msg */
865 break;
866 case WM_SIZING:
867 {
868 int width, height, w, h, ew, eh;
869 LPRECT r = (LPRECT)lParam;
870
871 width = r->right - r->left - extra_width;
872 height = r->bottom - r->top - extra_height;
873 w = (width + font_width/2) / font_width; if (w < 1) w = 1;
874 h = (height + font_height/2) / font_height; if (h < 1) h = 1;
875 ew = width - w * font_width;
876 eh = height - h * font_height;
877 if (ew != 0) {
878 if (wParam == WMSZ_LEFT ||
879 wParam == WMSZ_BOTTOMLEFT ||
880 wParam == WMSZ_TOPLEFT)
881 r->left += ew;
882 else
883 r->right -= ew;
884 }
885 if (eh != 0) {
886 if (wParam == WMSZ_TOP ||
887 wParam == WMSZ_TOPRIGHT ||
888 wParam == WMSZ_TOPLEFT)
889 r->top += eh;
890 else
891 r->bottom -= eh;
892 }
893 if (ew || eh)
894 return 1;
895 else
896 return 0;
897 }
898 break;
899 case WM_SIZE:
900 if (wParam == SIZE_MINIMIZED) {
901 SetWindowText (hwnd,
902 cfg.win_name_always ? window_name : icon_name);
903 break;
904 }
905 if (wParam == SIZE_RESTORED || wParam == SIZE_MAXIMIZED)
906 SetWindowText (hwnd, window_name);
907 if (!ignore_size) {
1a6f78fe 908 int width, height, w, h;
909#if 0 /* we have fixed this using WM_SIZING now */
910 int ew, eh;
911#endif
374330e2 912
913 width = LOWORD(lParam);
914 height = HIWORD(lParam);
915 w = width / font_width; if (w < 1) w = 1;
916 h = height / font_height; if (h < 1) h = 1;
917#if 0 /* we have fixed this using WM_SIZING now */
918 ew = width - w * font_width;
919 eh = height - h * font_height;
920 if (ew != 0 || eh != 0) {
921 RECT r;
922 GetWindowRect (hwnd, &r);
923 SendMessage (hwnd, WM_IGNORE_SIZE, 0, 0);
924 SetWindowPos (hwnd, NULL, 0, 0,
925 r.right - r.left - ew, r.bottom - r.top - eh,
926 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
927 }
928#endif
929 if (w != cols || h != rows || just_reconfigged) {
930 term_invalidate();
931 term_size (h, w, cfg.savelines);
932 back->size();
933 just_reconfigged = FALSE;
934 }
935 }
936 ignore_size = FALSE;
937 return 0;
938 case WM_VSCROLL:
939 switch (LOWORD(wParam)) {
940 case SB_BOTTOM: term_scroll(-1, 0); break;
941 case SB_TOP: term_scroll(+1, 0); break;
942 case SB_LINEDOWN: term_scroll (0, +1); break;
943 case SB_LINEUP: term_scroll (0, -1); break;
944 case SB_PAGEDOWN: term_scroll (0, +rows/2); break;
945 case SB_PAGEUP: term_scroll (0, -rows/2); break;
946 case SB_THUMBPOSITION: case SB_THUMBTRACK:
947 term_scroll (1, HIWORD(wParam)); break;
948 }
949 break;
950 case WM_PALETTECHANGED:
951 if ((HWND) wParam != hwnd && pal != NULL) {
952 HDC hdc = get_ctx();
953 if (hdc) {
954 if (RealizePalette (hdc) > 0)
955 UpdateColors (hdc);
956 free_ctx (hdc);
957 }
958 }
959 break;
960 case WM_QUERYNEWPALETTE:
961 if (pal != NULL) {
962 HDC hdc = get_ctx();
963 if (hdc) {
964 if (RealizePalette (hdc) > 0)
965 UpdateColors (hdc);
966 free_ctx (hdc);
967 return TRUE;
968 }
969 }
970 return FALSE;
971 case WM_KEYDOWN:
972 case WM_SYSKEYDOWN:
973 /*
974 * Add the scan code and keypress timing to the random
975 * number noise, if we're using ssh.
976 */
977 if (cfg.protocol == PROT_SSH)
978 noise_ultralight(lParam);
979
980 /*
981 * We don't do TranslateMessage since it disassociates the
982 * resulting CHAR message from the KEYDOWN that sparked it,
983 * which we occasionally don't want. Instead, we process
984 * KEYDOWN, and call the Win32 translator functions so that
985 * we get the translations under _our_ control.
986 */
987 {
988 unsigned char buf[20];
989 int len;
990
991 len = TranslateKey (wParam, lParam, buf);
992 back->send (buf, len);
993 }
994 return 0;
67c339f7 995 case WM_KEYUP:
996 case WM_SYSKEYUP:
997 /*
998 * We handle KEYUP ourselves in order to distinghish left
999 * and right Alt or Control keys, which Windows won't do
1000 * right if left to itself. See also the special processing
1001 * at the top of TranslateKey.
1002 */
1003 {
1004 BYTE keystate[256];
1005 int ret = GetKeyboardState(keystate);
1006 if (ret && wParam == VK_MENU) {
1007 if (lParam & 0x1000000) keystate[VK_RMENU] = 0;
1008 else keystate[VK_LMENU] = 0;
1009 SetKeyboardState (keystate);
1010 }
1011 if (ret && wParam == VK_CONTROL) {
1012 if (lParam & 0x1000000) keystate[VK_RCONTROL] = 0;
1013 else keystate[VK_LCONTROL] = 0;
1014 SetKeyboardState (keystate);
1015 }
1016 }
1017 /*
1018 * We don't return here, in order to allow Windows to do
1019 * its own KEYUP processing as well.
1020 */
1021 break;
374330e2 1022 case WM_CHAR:
1023 case WM_SYSCHAR:
1024 /*
1025 * Nevertheless, we are prepared to deal with WM_CHAR
1026 * messages, should they crop up. So if someone wants to
1027 * post the things to us as part of a macro manoeuvre,
1028 * we're ready to cope.
1029 */
1030 {
1031 char c = wParam;
1032 back->send (&c, 1);
1033 }
1034 return 0;
1035 }
1036
1037 return DefWindowProc (hwnd, message, wParam, lParam);
1038}
1039
1040/*
1041 * Draw a line of text in the window, at given character
1042 * coordinates, in given attributes.
1043 *
1044 * We are allowed to fiddle with the contents of `text'.
1045 */
1046void do_text (Context ctx, int x, int y, char *text, int len,
1047 unsigned long attr) {
1048 COLORREF fg, bg, t;
1049 int nfg, nbg, nfont;
1050 HDC hdc = ctx;
1051
1052 x *= font_width;
1053 y *= font_height;
1054
1055 if (attr & ATTR_ACTCURS) {
1056 attr &= (bold_mode == BOLD_COLOURS ? 0x200 : 0x300);
1057 attr ^= ATTR_CUR_XOR;
1058 }
1059
1060 nfont = 0;
1061 if (cfg.vtmode == VT_OEMONLY)
1062 nfont |= FONT_OEM;
1063
1064 /*
1065 * Map high-half characters in order to approximate ISO using
1066 * OEM character set. Characters missing are 0xC3 (Atilde) and
1067 * 0xCC (Igrave).
1068 */
1069 if (nfont & FONT_OEM) {
1070 int i;
1071 for (i=0; i<len; i++)
1072 if (text[i] >= '\xA0' && text[i] <= '\xFF') {
1073 static const char oemhighhalf[] =
1074 "\x20\xAD\xBD\x9C\xCF\xBE\xDD\xF5" /* A0-A7 */
1075 "\xF9\xB8\xA6\xAE\xAA\xF0\xA9\xEE" /* A8-AF */
1076 "\xF8\xF1\xFD\xFC\xEF\xE6\xF4\xFA" /* B0-B7 */
1077 "\xF7\xFB\xA7\xAF\xAC\xAB\xF3\xA8" /* B8-BF */
1078 "\xB7\xB5\xB6\x41\x8E\x8F\x92\x80" /* C0-C7 */
1079 "\xD4\x90\xD2\xD3\x49\xD6\xD7\xD8" /* C8-CF */
1080 "\xD1\xA5\xE3\xE0\xE2\xE5\x99\x9E" /* D0-D7 */
1081 "\x9D\xEB\xE9\xEA\x9A\xED\xE8\xE1" /* D8-DF */
1082 "\x85\xA0\x83\xC6\x84\x86\x91\x87" /* E0-E7 */
1083 "\x8A\x82\x88\x89\x8D\xA1\x8C\x8B" /* E8-EF */
1084 "\xD0\xA4\x95\xA2\x93\xE4\x94\xF6" /* F0-F7 */
1085 "\x9B\x97\xA3\x96\x81\xEC\xE7\x98" /* F8-FF */
1086 ;
1087 text[i] = oemhighhalf[(unsigned char)text[i] - 0xA0];
1088 }
1089 }
1090
1091 if (attr & ATTR_GBCHR) {
1092 int i;
1093 /*
1094 * GB mapping: map # to pound, and everything else stays
1095 * normal.
1096 */
1097 for (i=0; i<len; i++)
1098 if (text[i] == '#')
1099 text[i] = cfg.vtmode == VT_OEMONLY ? '\x9C' : '\xA3';
1100 } else if (attr & ATTR_LINEDRW) {
1101 int i;
1102 static const char poorman[] =
1103 "*#****\xB0\xB1**+++++-----++++|****\xA3\xB7";
1104 static const char oemmap[] =
1105 "*\xB1****\xF8\xF1**\xD9\xBF\xDA\xC0\xC5"
1106 "\xC4\xC4\xC4\xC4\xC4\xC3\xB4\xC1\xC2\xB3****\x9C\xFA";
1107
1108 /*
1109 * Line drawing mapping: map ` thru ~ (0x60 thru 0x7E) to
1110 * VT100 line drawing chars; everything else stays normal.
1111 */
1112 switch (cfg.vtmode) {
1113 case VT_XWINDOWS:
1114 for (i=0; i<len; i++)
1115 if (text[i] >= '\x60' && text[i] <= '\x7E')
1116 text[i] += '\x01' - '\x60';
1117 break;
1118 case VT_OEMANSI:
1119 case VT_OEMONLY:
1120 nfont |= FONT_OEM;
1121 for (i=0; i<len; i++)
1122 if (text[i] >= '\x60' && text[i] <= '\x7E')
1123 text[i] = oemmap[(unsigned char)text[i] - 0x60];
1124 break;
1125 case VT_POORMAN:
1126 for (i=0; i<len; i++)
1127 if (text[i] >= '\x60' && text[i] <= '\x7E')
1128 text[i] = poorman[(unsigned char)text[i] - 0x60];
1129 break;
1130 }
1131 }
1132
1133 nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
1134 nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
1135 if (bold_mode == BOLD_FONT && (attr & ATTR_BOLD))
1136 nfont |= FONT_BOLD;
1137 if (und_mode == UND_FONT && (attr & ATTR_UNDER))
1138 nfont |= FONT_UNDERLINE;
1139 if (attr & ATTR_REVERSE) {
1140 t = nfg; nfg = nbg; nbg = t;
1141 }
1142 if (bold_mode == BOLD_COLOURS && (attr & ATTR_BOLD))
1143 nfg++;
1144 fg = colours[nfg];
1145 bg = colours[nbg];
1146 SelectObject (hdc, fonts[nfont]);
1147 SetTextColor (hdc, fg);
1148 SetBkColor (hdc, bg);
1149 SetBkMode (hdc, OPAQUE);
1150 TextOut (hdc, x, y, text, len);
1151 if (bold_mode == BOLD_SHADOW && (attr & ATTR_BOLD)) {
1152 SetBkMode (hdc, TRANSPARENT);
1153 TextOut (hdc, x-1, y, text, len);
1154 }
1155 if (und_mode == UND_LINE && (attr & ATTR_UNDER)) {
1a6f78fe 1156 HPEN oldpen;
1157 oldpen = SelectObject (hdc, CreatePen(PS_SOLID, 0, fg));
374330e2 1158 MoveToEx (hdc, x, y+descent, NULL);
1159 LineTo (hdc, x+len*font_width, y+descent);
1a6f78fe 1160 oldpen = SelectObject (hdc, oldpen);
1161 DeleteObject (oldpen);
374330e2 1162 }
1163 if (attr & ATTR_PASCURS) {
1164 POINT pts[5];
1a6f78fe 1165 HPEN oldpen;
374330e2 1166 pts[0].x = pts[1].x = pts[4].x = x;
1167 pts[2].x = pts[3].x = x+font_width-1;
1168 pts[0].y = pts[3].y = pts[4].y = y;
1169 pts[1].y = pts[2].y = y+font_height-1;
1a6f78fe 1170 oldpen = SelectObject (hdc, CreatePen(PS_SOLID, 0, colours[23]));
374330e2 1171 Polyline (hdc, pts, 5);
1a6f78fe 1172 oldpen = SelectObject (hdc, oldpen);
1173 DeleteObject (oldpen);
374330e2 1174 }
1175}
1176
1177/*
1178 * Translate a WM_(SYS)?KEYDOWN message into a string of ASCII
1179 * codes. Returns number of bytes used.
1180 */
1181static int TranslateKey(WPARAM wParam, LPARAM lParam, unsigned char *output) {
1182 unsigned char *p = output;
1183 BYTE keystate[256];
1184 int ret, code;
67c339f7 1185 int cancel_alt = FALSE;
374330e2 1186
1187 /*
1188 * Get hold of the keyboard state, because we'll need it a few
1189 * times shortly.
1190 */
1191 ret = GetKeyboardState(keystate);
1192
67c339f7 1193 /*
1194 * Windows does not always want to distinguish left and right
1195 * Alt or Control keys. Thus we keep track of them ourselves.
1196 * See also the WM_KEYUP handler.
1197 */
1198 if (wParam == VK_MENU) {
1199 if (lParam & 0x1000000) keystate[VK_RMENU] = 0x80;
1200 else keystate[VK_LMENU] = 0x80;
1201 SetKeyboardState (keystate);
1202 return 0;
1203 }
1204 if (wParam == VK_CONTROL) {
1205 if (lParam & 0x1000000) keystate[VK_RCONTROL] = 0x80;
1206 else keystate[VK_LCONTROL] = 0x80;
1207 SetKeyboardState (keystate);
1208 return 0;
1209 }
1210
1211 /*
1212 * Prepend ESC, and cancel ALT, if ALT was pressed at the time
1213 * and it wasn't AltGr.
1214 */
1215 if (lParam & 0x20000000 && (keystate[VK_LMENU] & 0x80)) {
1216 *p++ = 0x1B;
1217 cancel_alt = TRUE;
1218 }
1219
374330e2 1220 /*
1221 * Shift-PgUp, Shift-PgDn, and Alt-F4 all produce window
1222 * events: we'll deal with those now.
1223 */
1224 if (ret && (keystate[VK_SHIFT] & 0x80) && wParam == VK_PRIOR) {
1225 SendMessage (hwnd, WM_VSCROLL, SB_PAGEUP, 0);
1226 return 0;
1227 }
1228 if (ret && (keystate[VK_SHIFT] & 0x80) && wParam == VK_NEXT) {
1229 SendMessage (hwnd, WM_VSCROLL, SB_PAGEDOWN, 0);
1230 return 0;
1231 }
1232 if ((lParam & 0x20000000) && wParam == VK_F4) {
1233 SendMessage (hwnd, WM_DESTROY, 0, 0);
1234 return 0;
1235 }
1236
1237 /*
1238 * In general, the strategy is to see what the Windows keymap
1239 * translation has to say for itself, and then process function
1240 * keys and suchlike ourselves if that fails. But first we must
1241 * deal with the small number of special cases which the
1242 * Windows keymap translator thinks it can do but gets wrong.
1243 *
1244 * First special case: we might want the Backspace key to send
1245 * 0x7F not 0x08.
1246 */
1247 if (wParam == VK_BACK) {
1248 *p++ = (cfg.bksp_is_delete ? 0x7F : 0x08);
1249 return p - output;
1250 }
1251
1252 /*
1253 * Control-Space should send ^@ (0x00), not Space.
1254 */
1255 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == VK_SPACE) {
1256 *p++ = 0x00;
1257 return p - output;
1258 }
1259
1260 /*
1261 * If we're in applications keypad mode, we have to process it
1262 * before char-map translation, because it will pre-empt lots
1263 * of stuff, even if NumLock is off.
1264 */
1265 if (app_keypad_keys) {
1266 if (ret) {
1267 /*
1268 * Hack to ensure NumLock doesn't interfere with
1269 * perception of Shift for Keypad Plus. I don't pretend
1270 * to understand this, but it seems to work as is.
1271 * Leave it alone, or die.
1272 */
1273 keystate[VK_NUMLOCK] = 0;
1274 SetKeyboardState (keystate);
1275 GetKeyboardState (keystate);
1276 }
1277 switch ( (lParam >> 16) & 0x1FF ) {
1278 case 0x145: p += sprintf((char *)p, "\x1BOP"); return p - output;
1279 case 0x135: p += sprintf((char *)p, "\x1BOQ"); return p - output;
1280 case 0x037: p += sprintf((char *)p, "\x1BOR"); return p - output;
1281 case 0x047: p += sprintf((char *)p, "\x1BOw"); return p - output;
1282 case 0x048: p += sprintf((char *)p, "\x1BOx"); return p - output;
1283 case 0x049: p += sprintf((char *)p, "\x1BOy"); return p - output;
1284 case 0x04A: p += sprintf((char *)p, "\x1BOS"); return p - output;
1285 case 0x04B: p += sprintf((char *)p, "\x1BOt"); return p - output;
1286 case 0x04C: p += sprintf((char *)p, "\x1BOu"); return p - output;
1287 case 0x04D: p += sprintf((char *)p, "\x1BOv"); return p - output;
1288 case 0x04E: /* keypad + is ^[Ol, but ^[Om with Shift */
1289 p += sprintf((char *)p,
1290 (ret && (keystate[VK_SHIFT] & 0x80)) ?
1291 "\x1BOm" : "\x1BOl");
1292 return p - output;
1293 case 0x04F: p += sprintf((char *)p, "\x1BOq"); return p - output;
1294 case 0x050: p += sprintf((char *)p, "\x1BOr"); return p - output;
1295 case 0x051: p += sprintf((char *)p, "\x1BOs"); return p - output;
1296 case 0x052: p += sprintf((char *)p, "\x1BOp"); return p - output;
1297 case 0x053: p += sprintf((char *)p, "\x1BOn"); return p - output;
1298 case 0x11C: p += sprintf((char *)p, "\x1BOM"); return p - output;
1299 }
1300 }
1301
1302 /*
67c339f7 1303 * Before doing Windows charmap translation, remove LeftALT
1304 * from the keymap, since its sole effect should be to prepend
1305 * ESC, which we've already done. Note that removal of LeftALT
1306 * has to happen _after_ the above call to SetKeyboardState, or
1307 * dire things will befall.
374330e2 1308 */
67c339f7 1309 if (cancel_alt) {
1310 keystate[VK_MENU] = keystate[VK_RMENU];
1311 keystate[VK_LMENU] = 0;
1312 }
374330e2 1313
1314 /*
1315 * Attempt the Windows char-map translation.
1316 */
1317 if (ret) {
1318 WORD chr;
1319 int r = ToAscii (wParam, (lParam >> 16) & 0xFF,
1320 keystate, &chr, 0);
1321 if (r == 1) {
1322 *p++ = chr & 0xFF;
1323 return p - output;
1324 }
1325 }
1326
1327 /*
1328 * OK, we haven't had a key code from the keymap translation.
1329 * We'll try our various special cases and function keys, and
1330 * then give up. (There's nothing wrong with giving up:
1331 * Scrollock, Pause/Break, and of course the various buckybit
1332 * keys all produce KEYDOWN events that we really _do_ want to
1333 * ignore.)
1334 */
1335
1336 /*
1337 * Control-2 should return ^@ (0x00), Control-6 should return
1338 * ^^ (0x1E), and Control-Minus should return ^_ (0x1F). Since
1339 * the DOS keyboard handling did it, and we have nothing better
1340 * to do with the key combo in question, we'll also map
1341 * Control-Backquote to ^\ (0x1C).
1342 */
1343 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '2') {
1344 *p++ = 0x00;
1345 return p - output;
1346 }
1347 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '6') {
1348 *p++ = 0x1E;
1349 return p - output;
1350 }
1351 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == 0xBD) {
1352 *p++ = 0x1F;
1353 return p - output;
1354 }
1355 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == 0xDF) {
1356 *p++ = 0x1C;
1357 return p - output;
1358 }
1359
1360 /*
1361 * First, all the keys that do tilde codes. (ESC '[' nn '~',
1362 * for integer decimal nn.)
1363 *
1364 * We also deal with the weird ones here. Linux VCs replace F1
1365 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
1366 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
1367 * respectively.
1368 */
1369 code = 0;
1370 switch (wParam) {
1371 case VK_F1: code = (keystate[VK_SHIFT] & 0x80 ? 23 : 11); break;
1372 case VK_F2: code = (keystate[VK_SHIFT] & 0x80 ? 24 : 12); break;
1373 case VK_F3: code = (keystate[VK_SHIFT] & 0x80 ? 25 : 13); break;
1374 case VK_F4: code = (keystate[VK_SHIFT] & 0x80 ? 26 : 14); break;
1375 case VK_F5: code = (keystate[VK_SHIFT] & 0x80 ? 28 : 15); break;
1376 case VK_F6: code = (keystate[VK_SHIFT] & 0x80 ? 29 : 17); break;
1377 case VK_F7: code = (keystate[VK_SHIFT] & 0x80 ? 31 : 18); break;
1378 case VK_F8: code = (keystate[VK_SHIFT] & 0x80 ? 32 : 19); break;
1379 case VK_F9: code = (keystate[VK_SHIFT] & 0x80 ? 33 : 20); break;
1380 case VK_F10: code = (keystate[VK_SHIFT] & 0x80 ? 34 : 21); break;
1381 case VK_F11: code = 23; break;
1382 case VK_F12: code = 24; break;
1383 case VK_HOME: code = 1; break;
1384 case VK_INSERT: code = 2; break;
1385 case VK_DELETE: code = 3; break;
1386 case VK_END: code = 4; break;
1387 case VK_PRIOR: code = 5; break;
1388 case VK_NEXT: code = 6; break;
1389 }
1390 if (cfg.linux_funkeys && code >= 11 && code <= 15) {
1391 p += sprintf((char *)p, "\x1B[[%c", code + 'A' - 11);
1392 return p - output;
1393 }
1394 if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
1395 p += sprintf((char *)p, code == 1 ? "\x1B[H" : "\x1BOw");
1396 return p - output;
1397 }
1398 if (code) {
1399 p += sprintf((char *)p, "\x1B[%d~", code);
1400 return p - output;
1401 }
1402
1403 /*
1404 * Now the remaining keys (arrows and Keypad 5. Keypad 5 for
1405 * some reason seems to send VK_CLEAR to Windows...).
1406 */
1407 switch (wParam) {
1408 case VK_UP:
1409 p += sprintf((char *)p, app_cursor_keys ? "\x1BOA" : "\x1B[A");
1410 return p - output;
1411 case VK_DOWN:
1412 p += sprintf((char *)p, app_cursor_keys ? "\x1BOB" : "\x1B[B");
1413 return p - output;
1414 case VK_RIGHT:
1415 p += sprintf((char *)p, app_cursor_keys ? "\x1BOC" : "\x1B[C");
1416 return p - output;
1417 case VK_LEFT:
1418 p += sprintf((char *)p, app_cursor_keys ? "\x1BOD" : "\x1B[D");
1419 return p - output;
1420 case VK_CLEAR: p += sprintf((char *)p, "\x1B[G"); return p - output;
1421 }
1422
1423 return 0;
1424}
1425
1426void set_title (char *title) {
1427 sfree (window_name);
1428 window_name = smalloc(1+strlen(title));
1429 strcpy (window_name, title);
37508af4 1430 if (cfg.win_name_always || !IsIconic(hwnd))
374330e2 1431 SetWindowText (hwnd, title);
1432}
1433
1434void set_icon (char *title) {
1435 sfree (icon_name);
1436 icon_name = smalloc(1+strlen(title));
1437 strcpy (icon_name, title);
37508af4 1438 if (!cfg.win_name_always && IsIconic(hwnd))
374330e2 1439 SetWindowText (hwnd, title);
1440}
1441
1442void set_sbar (int total, int start, int page) {
1443 SCROLLINFO si;
1444 si.cbSize = sizeof(si);
1445 si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS | SIF_DISABLENOSCROLL;
1446 si.nMin = 0;
1447 si.nMax = total - 1;
1448 si.nPage = page;
1449 si.nPos = start;
c1f5f956 1450 if (hwnd)
1451 SetScrollInfo (hwnd, SB_VERT, &si, TRUE);
374330e2 1452}
1453
f67b4e85 1454Context get_ctx(void) {
374330e2 1455 HDC hdc;
1456 if (hwnd) {
1457 hdc = GetDC (hwnd);
1458 if (hdc && pal)
1459 SelectPalette (hdc, pal, FALSE);
1460 return hdc;
1461 } else
1462 return NULL;
1463}
1464
1465void free_ctx (Context ctx) {
1466 SelectPalette (ctx, GetStockObject (DEFAULT_PALETTE), FALSE);
1467 ReleaseDC (hwnd, ctx);
1468}
1469
1470static void real_palette_set (int n, int r, int g, int b) {
1471 if (pal) {
1472 logpal->palPalEntry[n].peRed = r;
1473 logpal->palPalEntry[n].peGreen = g;
1474 logpal->palPalEntry[n].peBlue = b;
1475 logpal->palPalEntry[n].peFlags = PC_NOCOLLAPSE;
1476 colours[n] = PALETTERGB(r, g, b);
1477 SetPaletteEntries (pal, 0, NCOLOURS, logpal->palPalEntry);
1478 } else
1479 colours[n] = RGB(r, g, b);
1480}
1481
1482void palette_set (int n, int r, int g, int b) {
1483 static const int first[21] = {
1484 0, 2, 4, 6, 8, 10, 12, 14,
1485 1, 3, 5, 7, 9, 11, 13, 15,
1486 16, 17, 18, 20, 22
1487 };
1488 real_palette_set (first[n], r, g, b);
1489 if (first[n] >= 18)
1490 real_palette_set (first[n]+1, r, g, b);
1491 if (pal) {
1492 HDC hdc = get_ctx();
1493 UnrealizeObject (pal);
1494 RealizePalette (hdc);
1495 free_ctx (hdc);
1496 }
1497}
1498
1499void palette_reset (void) {
1500 int i;
1501
1502 for (i = 0; i < NCOLOURS; i++) {
1503 if (pal) {
1504 logpal->palPalEntry[i].peRed = defpal[i].rgbtRed;
1505 logpal->palPalEntry[i].peGreen = defpal[i].rgbtGreen;
1506 logpal->palPalEntry[i].peBlue = defpal[i].rgbtBlue;
1507 logpal->palPalEntry[i].peFlags = 0;
1508 colours[i] = PALETTERGB(defpal[i].rgbtRed,
1509 defpal[i].rgbtGreen,
1510 defpal[i].rgbtBlue);
1511 } else
1512 colours[i] = RGB(defpal[i].rgbtRed,
1513 defpal[i].rgbtGreen,
1514 defpal[i].rgbtBlue);
1515 }
1516
1517 if (pal) {
1518 HDC hdc;
1519 SetPaletteEntries (pal, 0, NCOLOURS, logpal->palPalEntry);
1520 hdc = get_ctx();
1521 RealizePalette (hdc);
1522 free_ctx (hdc);
1523 }
1524}
1525
1526void write_clip (void *data, int len) {
1527 HGLOBAL clipdata;
1528 void *lock;
1529
1530 clipdata = GlobalAlloc (GMEM_DDESHARE | GMEM_MOVEABLE, len + 1);
1531 if (!clipdata)
1532 return;
1533 lock = GlobalLock (clipdata);
1534 if (!lock)
1535 return;
1536 memcpy (lock, data, len);
1537 ((unsigned char *) lock) [len] = 0;
1538 GlobalUnlock (clipdata);
1539
1540 SendMessage (hwnd, WM_IGNORE_CLIP, TRUE, 0);
1541 if (OpenClipboard (hwnd)) {
1542 EmptyClipboard();
1543 SetClipboardData (CF_TEXT, clipdata);
1544 CloseClipboard();
1545 } else
1546 GlobalFree (clipdata);
1547 SendMessage (hwnd, WM_IGNORE_CLIP, FALSE, 0);
1548}
1549
1550void get_clip (void **p, int *len) {
1551 static HGLOBAL clipdata = NULL;
1552
1553 if (!p) {
1554 if (clipdata)
1555 GlobalUnlock (clipdata);
1556 clipdata = NULL;
1557 return;
1558 } else {
1559 if (OpenClipboard (NULL)) {
1560 clipdata = GetClipboardData (CF_TEXT);
1561 CloseClipboard();
1562 if (clipdata) {
1563 *p = GlobalLock (clipdata);
1564 if (*p) {
1565 *len = strlen(*p);
1566 return;
1567 }
1568 }
1569 }
1570 }
1571
1572 *p = NULL;
1573 *len = 0;
1574}
1575
1576/*
1577 * Move `lines' lines from position `from' to position `to' in the
1578 * window.
1579 */
1580void optimised_move (int to, int from, int lines) {
1581 RECT r;
f67b4e85 1582 int min, max;
374330e2 1583
1584 min = (to < from ? to : from);
1585 max = to + from - min;
374330e2 1586
1587 r.left = 0; r.right = cols * font_width;
1588 r.top = min * font_height; r.bottom = (max+lines) * font_height;
1589 ScrollWindow (hwnd, 0, (to - from) * font_height, &r, &r);
1590}
1591
1592/*
1593 * Print a message box and perform a fatal exit.
1594 */
1595void fatalbox(char *fmt, ...) {
1596 va_list ap;
1597 char stuff[200];
1598
1599 va_start(ap, fmt);
1600 vsprintf(stuff, fmt, ap);
1601 va_end(ap);
1602 MessageBox(hwnd, stuff, "PuTTY Fatal Error", MB_ICONERROR | MB_OK);
1603 exit(1);
1604}
1605
1606/*
1607 * Beep.
1608 */
1609void beep(void) {
1610 MessageBeep(MB_OK);
1611}
Simon Tatham's PuTTY GUI SSH client; import of svn://svn.tartarus.org/sgt/putty