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