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Initial checkin: beta 0.43
[u/mdw/putty] / window.c
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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));
166 wndclass.hCursor = LoadCursor (NULL, IDC_ARROW);
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) {
559 if (lastbtn == b && GetMessageTime() - lasttime < dbltime) {
560 lastact = (lastact == MA_CLICK ? MA_2CLK :
561 lastact == MA_2CLK ? MA_3CLK :
562 lastact == MA_3CLK ? MA_CLICK : MA_NOTHING);
563 } else {
564 lastbtn = b;
565 lastact = MA_CLICK;
566 }
567 if (lastact != MA_NOTHING)
568 term_mouse (b, lastact, x, y);
569 lasttime = GetMessageTime();
570}
571
572static int WINAPI WndProc (HWND hwnd, UINT message,
573 WPARAM wParam, LPARAM lParam) {
574 HDC hdc;
575 static int ignore_size = FALSE;
576 static int ignore_clip = FALSE;
577 static int just_reconfigged = FALSE;
578
579 switch (message) {
580 case WM_CREATE:
581 break;
582 case WM_DESTROY:
583 PostQuitMessage (0);
584 return 0;
585 case WM_SYSCOMMAND:
586 switch (wParam) {
587 case IDM_SHOWLOG:
588 shownegot(hwnd);
589 break;
590 case IDM_NEWSESS:
591 case IDM_DUPSESS:
592 {
593 char b[2048];
594 char c[30], *cl;
595 STARTUPINFO si;
596 PROCESS_INFORMATION pi;
597 HANDLE filemap = NULL;
598
599 if (wParam == IDM_DUPSESS) {
600 /*
601 * Allocate a file-mapping memory chunk for the
602 * config structure.
603 */
604 SECURITY_ATTRIBUTES sa;
605 Config *p;
606
607 sa.nLength = sizeof(sa);
608 sa.lpSecurityDescriptor = NULL;
609 sa.bInheritHandle = TRUE;
610 filemap = CreateFileMapping((HANDLE)0xFFFFFFFF,
611 &sa,
612 PAGE_READWRITE,
613 0,
614 sizeof(Config),
615 NULL);
616 if (filemap) {
617 p = (Config *)MapViewOfFile(filemap,
618 FILE_MAP_WRITE,
619 0, 0, sizeof(Config));
620 if (p) {
621 *p = cfg; /* structure copy */
622 UnmapViewOfFile(p);
623 }
624 }
625 sprintf(c, "putty &%08x", filemap);
626 cl = c;
627 } else
628 cl = NULL;
629
630 GetModuleFileName (NULL, b, sizeof(b)-1);
631 si.cb = sizeof(si);
632 si.lpReserved = NULL;
633 si.lpDesktop = NULL;
634 si.lpTitle = NULL;
635 si.dwFlags = 0;
636 si.cbReserved2 = 0;
637 si.lpReserved2 = NULL;
638 CreateProcess (b, cl, NULL, NULL, TRUE,
639 NORMAL_PRIORITY_CLASS, NULL, NULL, &si, &pi);
640
641 if (filemap)
642 CloseHandle(filemap);
643 }
644 break;
645 case IDM_RECONF:
646 if (!do_reconfig(hwnd))
647 break;
648 just_reconfigged = TRUE;
649 {
650 int i;
651 for (i=0; i<8; i++)
652 if (fonts[i])
653 DeleteObject(fonts[i]);
654 }
655 bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
656 und_mode = UND_FONT;
657 init_fonts();
658 sfree(logpal);
659 if (pal)
660 DeleteObject(pal);
661 logpal = NULL;
662 pal = NULL;
663 cfgtopalette();
664 init_palette();
665 term_size(cfg.height, cfg.width, cfg.savelines);
666 InvalidateRect(hwnd, NULL, TRUE);
667 SetWindowPos (hwnd, NULL, 0, 0,
668 extra_width + font_width * cfg.width,
669 extra_height + font_height * cfg.height,
670 SWP_NOACTIVATE | SWP_NOCOPYBITS |
671 SWP_NOMOVE | SWP_NOZORDER);
672 if (IsIconic(hwnd)) {
673 SetWindowText (hwnd,
674 cfg.win_name_always ? window_name : icon_name);
675 }
676 break;
677 case IDM_CLRSB:
678 term_clrsb();
679 break;
680 case IDM_RESET:
681 term_pwron();
682 break;
683 case IDM_TEL_AYT: back->special (TS_AYT); break;
684 case IDM_TEL_BRK: back->special (TS_BRK); break;
685 case IDM_TEL_SYNCH: back->special (TS_SYNCH); break;
686 case IDM_TEL_EC: back->special (TS_EC); break;
687 case IDM_TEL_EL: back->special (TS_EL); break;
688 case IDM_TEL_GA: back->special (TS_GA); break;
689 case IDM_TEL_NOP: back->special (TS_NOP); break;
690 case IDM_TEL_ABORT: back->special (TS_ABORT); break;
691 case IDM_TEL_AO: back->special (TS_AO); break;
692 case IDM_TEL_IP: back->special (TS_IP); break;
693 case IDM_TEL_SUSP: back->special (TS_SUSP); break;
694 case IDM_TEL_EOR: back->special (TS_EOR); break;
695 case IDM_TEL_EOF: back->special (TS_EOF); break;
696 case IDM_ABOUT:
697 showabout (hwnd);
698 break;
699 }
700 break;
701 case WM_LBUTTONDOWN:
702 click (MB_SELECT, LOWORD(lParam) / font_width,
703 HIWORD(lParam) / font_height);
704 return 0;
705 case WM_LBUTTONUP:
706 term_mouse (MB_SELECT, MA_RELEASE, LOWORD(lParam) / font_width,
707 HIWORD(lParam) / font_height);
708 return 0;
709 case WM_MBUTTONDOWN:
710 click (cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND,
711 LOWORD(lParam) / font_width,
712 HIWORD(lParam) / font_height);
713 return 0;
714 case WM_MBUTTONUP:
715 term_mouse (cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND,
716 MA_RELEASE, LOWORD(lParam) / font_width,
717 HIWORD(lParam) / font_height);
718 return 0;
719 case WM_RBUTTONDOWN:
720 click (cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE,
721 LOWORD(lParam) / font_width,
722 HIWORD(lParam) / font_height);
723 return 0;
724 case WM_RBUTTONUP:
725 term_mouse (cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE,
726 MA_RELEASE, LOWORD(lParam) / font_width,
727 HIWORD(lParam) / font_height);
728 return 0;
729 case WM_MOUSEMOVE:
730 /*
731 * Add the mouse position and message time to the random
732 * number noise, if we're using ssh.
733 */
734 if (cfg.protocol == PROT_SSH)
735 noise_ultralight(lParam);
736
737 if (wParam & (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON)) {
738 Mouse_Button b;
739 if (wParam & MK_LBUTTON)
740 b = MB_SELECT;
741 else if (wParam & MK_MBUTTON)
742 b = cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND;
743 else
744 b = cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE;
745 term_mouse (b, MA_DRAG, LOWORD(lParam) / font_width,
746 HIWORD(lParam) / font_height);
747 }
748 lastbtn = MB_NOTHING;
749 lastact = MA_NOTHING;
750 lasttime = GetMessageTime();
751 return 0;
752 case WM_IGNORE_CLIP:
753 ignore_clip = wParam; /* don't panic on DESTROYCLIPBOARD */
754 break;
755 case WM_DESTROYCLIPBOARD:
756 if (!ignore_clip)
757 term_deselect();
758 ignore_clip = FALSE;
759 return 0;
760 case WM_PAINT:
761 {
762 PAINTSTRUCT p;
763 hdc = BeginPaint (hwnd, &p);
764 if (pal) {
765 SelectPalette (hdc, pal, TRUE);
766 RealizePalette (hdc);
767 }
768 term_paint (hdc, p.rcPaint.left, p.rcPaint.top,
769 p.rcPaint.right, p.rcPaint.bottom);
770 SelectObject (hdc, GetStockObject(SYSTEM_FONT));
771 SelectObject (hdc, GetStockObject(WHITE_PEN));
772 EndPaint (hwnd, &p);
773 }
774 return 0;
775 case WM_NETEVENT:
776 {
777 int i = back->msg (wParam, lParam);
778 if (i < 0) {
779 char buf[1024];
780 switch (WSABASEERR + (-i) % 10000) {
781 case WSAECONNRESET:
782 sprintf(buf, "Connection reset by peer");
783 break;
784 default:
785 sprintf(buf, "Unexpected network error %d", -i);
786 break;
787 }
788 MessageBox(hwnd, buf, "PuTTY Fatal Error",
789 MB_ICONERROR | MB_OK);
790 PostQuitMessage(1);
791 } else if (i == 0) {
792 if (cfg.close_on_exit)
793 PostQuitMessage(0);
794 else {
795 MessageBox(hwnd, "Connection closed by remote host",
796 "PuTTY", MB_OK | MB_ICONINFORMATION);
797 SetWindowText (hwnd, "PuTTY (inactive)");
798 }
799 }
800 }
801 return 0;
802 case WM_SETFOCUS:
803 has_focus = TRUE;
804 term_out();
805 term_update();
806 break;
807 case WM_KILLFOCUS:
808 has_focus = FALSE;
809 term_out();
810 term_update();
811 break;
812 case WM_IGNORE_SIZE:
813 ignore_size = TRUE; /* don't panic on next WM_SIZE msg */
814 break;
815 case WM_SIZING:
816 {
817 int width, height, w, h, ew, eh;
818 LPRECT r = (LPRECT)lParam;
819
820 width = r->right - r->left - extra_width;
821 height = r->bottom - r->top - extra_height;
822 w = (width + font_width/2) / font_width; if (w < 1) w = 1;
823 h = (height + font_height/2) / font_height; if (h < 1) h = 1;
824 ew = width - w * font_width;
825 eh = height - h * font_height;
826 if (ew != 0) {
827 if (wParam == WMSZ_LEFT ||
828 wParam == WMSZ_BOTTOMLEFT ||
829 wParam == WMSZ_TOPLEFT)
830 r->left += ew;
831 else
832 r->right -= ew;
833 }
834 if (eh != 0) {
835 if (wParam == WMSZ_TOP ||
836 wParam == WMSZ_TOPRIGHT ||
837 wParam == WMSZ_TOPLEFT)
838 r->top += eh;
839 else
840 r->bottom -= eh;
841 }
842 if (ew || eh)
843 return 1;
844 else
845 return 0;
846 }
847 break;
848 case WM_SIZE:
849 if (wParam == SIZE_MINIMIZED) {
850 SetWindowText (hwnd,
851 cfg.win_name_always ? window_name : icon_name);
852 break;
853 }
854 if (wParam == SIZE_RESTORED || wParam == SIZE_MAXIMIZED)
855 SetWindowText (hwnd, window_name);
856 if (!ignore_size) {
857 int width, height, w, h, ew, eh;
858
859 width = LOWORD(lParam);
860 height = HIWORD(lParam);
861 w = width / font_width; if (w < 1) w = 1;
862 h = height / font_height; if (h < 1) h = 1;
863#if 0 /* we have fixed this using WM_SIZING now */
864 ew = width - w * font_width;
865 eh = height - h * font_height;
866 if (ew != 0 || eh != 0) {
867 RECT r;
868 GetWindowRect (hwnd, &r);
869 SendMessage (hwnd, WM_IGNORE_SIZE, 0, 0);
870 SetWindowPos (hwnd, NULL, 0, 0,
871 r.right - r.left - ew, r.bottom - r.top - eh,
872 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
873 }
874#endif
875 if (w != cols || h != rows || just_reconfigged) {
876 term_invalidate();
877 term_size (h, w, cfg.savelines);
878 back->size();
879 just_reconfigged = FALSE;
880 }
881 }
882 ignore_size = FALSE;
883 return 0;
884 case WM_VSCROLL:
885 switch (LOWORD(wParam)) {
886 case SB_BOTTOM: term_scroll(-1, 0); break;
887 case SB_TOP: term_scroll(+1, 0); break;
888 case SB_LINEDOWN: term_scroll (0, +1); break;
889 case SB_LINEUP: term_scroll (0, -1); break;
890 case SB_PAGEDOWN: term_scroll (0, +rows/2); break;
891 case SB_PAGEUP: term_scroll (0, -rows/2); break;
892 case SB_THUMBPOSITION: case SB_THUMBTRACK:
893 term_scroll (1, HIWORD(wParam)); break;
894 }
895 break;
896 case WM_PALETTECHANGED:
897 if ((HWND) wParam != hwnd && pal != NULL) {
898 HDC hdc = get_ctx();
899 if (hdc) {
900 if (RealizePalette (hdc) > 0)
901 UpdateColors (hdc);
902 free_ctx (hdc);
903 }
904 }
905 break;
906 case WM_QUERYNEWPALETTE:
907 if (pal != NULL) {
908 HDC hdc = get_ctx();
909 if (hdc) {
910 if (RealizePalette (hdc) > 0)
911 UpdateColors (hdc);
912 free_ctx (hdc);
913 return TRUE;
914 }
915 }
916 return FALSE;
917 case WM_KEYDOWN:
918 case WM_SYSKEYDOWN:
919 /*
920 * Add the scan code and keypress timing to the random
921 * number noise, if we're using ssh.
922 */
923 if (cfg.protocol == PROT_SSH)
924 noise_ultralight(lParam);
925
926 /*
927 * We don't do TranslateMessage since it disassociates the
928 * resulting CHAR message from the KEYDOWN that sparked it,
929 * which we occasionally don't want. Instead, we process
930 * KEYDOWN, and call the Win32 translator functions so that
931 * we get the translations under _our_ control.
932 */
933 {
934 unsigned char buf[20];
935 int len;
936
937 len = TranslateKey (wParam, lParam, buf);
938 back->send (buf, len);
939 }
940 return 0;
941 case WM_CHAR:
942 case WM_SYSCHAR:
943 /*
944 * Nevertheless, we are prepared to deal with WM_CHAR
945 * messages, should they crop up. So if someone wants to
946 * post the things to us as part of a macro manoeuvre,
947 * we're ready to cope.
948 */
949 {
950 char c = wParam;
951 back->send (&c, 1);
952 }
953 return 0;
954 }
955
956 return DefWindowProc (hwnd, message, wParam, lParam);
957}
958
959/*
960 * Draw a line of text in the window, at given character
961 * coordinates, in given attributes.
962 *
963 * We are allowed to fiddle with the contents of `text'.
964 */
965void do_text (Context ctx, int x, int y, char *text, int len,
966 unsigned long attr) {
967 COLORREF fg, bg, t;
968 int nfg, nbg, nfont;
969 HDC hdc = ctx;
970
971 x *= font_width;
972 y *= font_height;
973
974 if (attr & ATTR_ACTCURS) {
975 attr &= (bold_mode == BOLD_COLOURS ? 0x200 : 0x300);
976 attr ^= ATTR_CUR_XOR;
977 }
978
979 nfont = 0;
980 if (cfg.vtmode == VT_OEMONLY)
981 nfont |= FONT_OEM;
982
983 /*
984 * Map high-half characters in order to approximate ISO using
985 * OEM character set. Characters missing are 0xC3 (Atilde) and
986 * 0xCC (Igrave).
987 */
988 if (nfont & FONT_OEM) {
989 int i;
990 for (i=0; i<len; i++)
991 if (text[i] >= '\xA0' && text[i] <= '\xFF') {
992 static const char oemhighhalf[] =
993 "\x20\xAD\xBD\x9C\xCF\xBE\xDD\xF5" /* A0-A7 */
994 "\xF9\xB8\xA6\xAE\xAA\xF0\xA9\xEE" /* A8-AF */
995 "\xF8\xF1\xFD\xFC\xEF\xE6\xF4\xFA" /* B0-B7 */
996 "\xF7\xFB\xA7\xAF\xAC\xAB\xF3\xA8" /* B8-BF */
997 "\xB7\xB5\xB6\x41\x8E\x8F\x92\x80" /* C0-C7 */
998 "\xD4\x90\xD2\xD3\x49\xD6\xD7\xD8" /* C8-CF */
999 "\xD1\xA5\xE3\xE0\xE2\xE5\x99\x9E" /* D0-D7 */
1000 "\x9D\xEB\xE9\xEA\x9A\xED\xE8\xE1" /* D8-DF */
1001 "\x85\xA0\x83\xC6\x84\x86\x91\x87" /* E0-E7 */
1002 "\x8A\x82\x88\x89\x8D\xA1\x8C\x8B" /* E8-EF */
1003 "\xD0\xA4\x95\xA2\x93\xE4\x94\xF6" /* F0-F7 */
1004 "\x9B\x97\xA3\x96\x81\xEC\xE7\x98" /* F8-FF */
1005 ;
1006 text[i] = oemhighhalf[(unsigned char)text[i] - 0xA0];
1007 }
1008 }
1009
1010 if (attr & ATTR_GBCHR) {
1011 int i;
1012 /*
1013 * GB mapping: map # to pound, and everything else stays
1014 * normal.
1015 */
1016 for (i=0; i<len; i++)
1017 if (text[i] == '#')
1018 text[i] = cfg.vtmode == VT_OEMONLY ? '\x9C' : '\xA3';
1019 } else if (attr & ATTR_LINEDRW) {
1020 int i;
1021 static const char poorman[] =
1022 "*#****\xB0\xB1**+++++-----++++|****\xA3\xB7";
1023 static const char oemmap[] =
1024 "*\xB1****\xF8\xF1**\xD9\xBF\xDA\xC0\xC5"
1025 "\xC4\xC4\xC4\xC4\xC4\xC3\xB4\xC1\xC2\xB3****\x9C\xFA";
1026
1027 /*
1028 * Line drawing mapping: map ` thru ~ (0x60 thru 0x7E) to
1029 * VT100 line drawing chars; everything else stays normal.
1030 */
1031 switch (cfg.vtmode) {
1032 case VT_XWINDOWS:
1033 for (i=0; i<len; i++)
1034 if (text[i] >= '\x60' && text[i] <= '\x7E')
1035 text[i] += '\x01' - '\x60';
1036 break;
1037 case VT_OEMANSI:
1038 case VT_OEMONLY:
1039 nfont |= FONT_OEM;
1040 for (i=0; i<len; i++)
1041 if (text[i] >= '\x60' && text[i] <= '\x7E')
1042 text[i] = oemmap[(unsigned char)text[i] - 0x60];
1043 break;
1044 case VT_POORMAN:
1045 for (i=0; i<len; i++)
1046 if (text[i] >= '\x60' && text[i] <= '\x7E')
1047 text[i] = poorman[(unsigned char)text[i] - 0x60];
1048 break;
1049 }
1050 }
1051
1052 nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
1053 nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
1054 if (bold_mode == BOLD_FONT && (attr & ATTR_BOLD))
1055 nfont |= FONT_BOLD;
1056 if (und_mode == UND_FONT && (attr & ATTR_UNDER))
1057 nfont |= FONT_UNDERLINE;
1058 if (attr & ATTR_REVERSE) {
1059 t = nfg; nfg = nbg; nbg = t;
1060 }
1061 if (bold_mode == BOLD_COLOURS && (attr & ATTR_BOLD))
1062 nfg++;
1063 fg = colours[nfg];
1064 bg = colours[nbg];
1065 SelectObject (hdc, fonts[nfont]);
1066 SetTextColor (hdc, fg);
1067 SetBkColor (hdc, bg);
1068 SetBkMode (hdc, OPAQUE);
1069 TextOut (hdc, x, y, text, len);
1070 if (bold_mode == BOLD_SHADOW && (attr & ATTR_BOLD)) {
1071 SetBkMode (hdc, TRANSPARENT);
1072 TextOut (hdc, x-1, y, text, len);
1073 }
1074 if (und_mode == UND_LINE && (attr & ATTR_UNDER)) {
1075 SelectObject (hdc, CreatePen(PS_SOLID, 0, fg));
1076 MoveToEx (hdc, x, y+descent, NULL);
1077 LineTo (hdc, x+len*font_width, y+descent);
1078 }
1079 if (attr & ATTR_PASCURS) {
1080 POINT pts[5];
1081 pts[0].x = pts[1].x = pts[4].x = x;
1082 pts[2].x = pts[3].x = x+font_width-1;
1083 pts[0].y = pts[3].y = pts[4].y = y;
1084 pts[1].y = pts[2].y = y+font_height-1;
1085 SelectObject (hdc, CreatePen(PS_SOLID, 0, colours[23]));
1086 Polyline (hdc, pts, 5);
1087 }
1088}
1089
1090/*
1091 * Translate a WM_(SYS)?KEYDOWN message into a string of ASCII
1092 * codes. Returns number of bytes used.
1093 */
1094static int TranslateKey(WPARAM wParam, LPARAM lParam, unsigned char *output) {
1095 unsigned char *p = output;
1096 BYTE keystate[256];
1097 int ret, code;
1098
1099 /*
1100 * Prepend ESC if ALT was pressed at the time.
1101 */
1102 if (lParam & 0x20000000)
1103 *p++ = 0x1B;
1104
1105 /*
1106 * Get hold of the keyboard state, because we'll need it a few
1107 * times shortly.
1108 */
1109 ret = GetKeyboardState(keystate);
1110
1111 /*
1112 * Shift-PgUp, Shift-PgDn, and Alt-F4 all produce window
1113 * events: we'll deal with those now.
1114 */
1115 if (ret && (keystate[VK_SHIFT] & 0x80) && wParam == VK_PRIOR) {
1116 SendMessage (hwnd, WM_VSCROLL, SB_PAGEUP, 0);
1117 return 0;
1118 }
1119 if (ret && (keystate[VK_SHIFT] & 0x80) && wParam == VK_NEXT) {
1120 SendMessage (hwnd, WM_VSCROLL, SB_PAGEDOWN, 0);
1121 return 0;
1122 }
1123 if ((lParam & 0x20000000) && wParam == VK_F4) {
1124 SendMessage (hwnd, WM_DESTROY, 0, 0);
1125 return 0;
1126 }
1127
1128 /*
1129 * In general, the strategy is to see what the Windows keymap
1130 * translation has to say for itself, and then process function
1131 * keys and suchlike ourselves if that fails. But first we must
1132 * deal with the small number of special cases which the
1133 * Windows keymap translator thinks it can do but gets wrong.
1134 *
1135 * First special case: we might want the Backspace key to send
1136 * 0x7F not 0x08.
1137 */
1138 if (wParam == VK_BACK) {
1139 *p++ = (cfg.bksp_is_delete ? 0x7F : 0x08);
1140 return p - output;
1141 }
1142
1143 /*
1144 * Control-Space should send ^@ (0x00), not Space.
1145 */
1146 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == VK_SPACE) {
1147 *p++ = 0x00;
1148 return p - output;
1149 }
1150
1151 /*
1152 * If we're in applications keypad mode, we have to process it
1153 * before char-map translation, because it will pre-empt lots
1154 * of stuff, even if NumLock is off.
1155 */
1156 if (app_keypad_keys) {
1157 if (ret) {
1158 /*
1159 * Hack to ensure NumLock doesn't interfere with
1160 * perception of Shift for Keypad Plus. I don't pretend
1161 * to understand this, but it seems to work as is.
1162 * Leave it alone, or die.
1163 */
1164 keystate[VK_NUMLOCK] = 0;
1165 SetKeyboardState (keystate);
1166 GetKeyboardState (keystate);
1167 }
1168 switch ( (lParam >> 16) & 0x1FF ) {
1169 case 0x145: p += sprintf((char *)p, "\x1BOP"); return p - output;
1170 case 0x135: p += sprintf((char *)p, "\x1BOQ"); return p - output;
1171 case 0x037: p += sprintf((char *)p, "\x1BOR"); return p - output;
1172 case 0x047: p += sprintf((char *)p, "\x1BOw"); return p - output;
1173 case 0x048: p += sprintf((char *)p, "\x1BOx"); return p - output;
1174 case 0x049: p += sprintf((char *)p, "\x1BOy"); return p - output;
1175 case 0x04A: p += sprintf((char *)p, "\x1BOS"); return p - output;
1176 case 0x04B: p += sprintf((char *)p, "\x1BOt"); return p - output;
1177 case 0x04C: p += sprintf((char *)p, "\x1BOu"); return p - output;
1178 case 0x04D: p += sprintf((char *)p, "\x1BOv"); return p - output;
1179 case 0x04E: /* keypad + is ^[Ol, but ^[Om with Shift */
1180 p += sprintf((char *)p,
1181 (ret && (keystate[VK_SHIFT] & 0x80)) ?
1182 "\x1BOm" : "\x1BOl");
1183 return p - output;
1184 case 0x04F: p += sprintf((char *)p, "\x1BOq"); return p - output;
1185 case 0x050: p += sprintf((char *)p, "\x1BOr"); return p - output;
1186 case 0x051: p += sprintf((char *)p, "\x1BOs"); return p - output;
1187 case 0x052: p += sprintf((char *)p, "\x1BOp"); return p - output;
1188 case 0x053: p += sprintf((char *)p, "\x1BOn"); return p - output;
1189 case 0x11C: p += sprintf((char *)p, "\x1BOM"); return p - output;
1190 }
1191 }
1192
1193 /*
1194 * Before doing Windows charmap translation, remove ALT from
1195 * the keymap, since its sole effect should be to prepend ESC,
1196 * which we've already done. Note that removal of ALT has to
1197 * happen _after_ the above call to SetKeyboardState, or dire
1198 * things will befall.
1199 */
1200 keystate[VK_MENU] = keystate[VK_LMENU] = keystate[VK_RMENU] = 0;
1201
1202 /*
1203 * Attempt the Windows char-map translation.
1204 */
1205 if (ret) {
1206 WORD chr;
1207 int r = ToAscii (wParam, (lParam >> 16) & 0xFF,
1208 keystate, &chr, 0);
1209 if (r == 1) {
1210 *p++ = chr & 0xFF;
1211 return p - output;
1212 }
1213 }
1214
1215 /*
1216 * OK, we haven't had a key code from the keymap translation.
1217 * We'll try our various special cases and function keys, and
1218 * then give up. (There's nothing wrong with giving up:
1219 * Scrollock, Pause/Break, and of course the various buckybit
1220 * keys all produce KEYDOWN events that we really _do_ want to
1221 * ignore.)
1222 */
1223
1224 /*
1225 * Control-2 should return ^@ (0x00), Control-6 should return
1226 * ^^ (0x1E), and Control-Minus should return ^_ (0x1F). Since
1227 * the DOS keyboard handling did it, and we have nothing better
1228 * to do with the key combo in question, we'll also map
1229 * Control-Backquote to ^\ (0x1C).
1230 */
1231 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '2') {
1232 *p++ = 0x00;
1233 return p - output;
1234 }
1235 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '6') {
1236 *p++ = 0x1E;
1237 return p - output;
1238 }
1239 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == 0xBD) {
1240 *p++ = 0x1F;
1241 return p - output;
1242 }
1243 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == 0xDF) {
1244 *p++ = 0x1C;
1245 return p - output;
1246 }
1247
1248 /*
1249 * First, all the keys that do tilde codes. (ESC '[' nn '~',
1250 * for integer decimal nn.)
1251 *
1252 * We also deal with the weird ones here. Linux VCs replace F1
1253 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
1254 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
1255 * respectively.
1256 */
1257 code = 0;
1258 switch (wParam) {
1259 case VK_F1: code = (keystate[VK_SHIFT] & 0x80 ? 23 : 11); break;
1260 case VK_F2: code = (keystate[VK_SHIFT] & 0x80 ? 24 : 12); break;
1261 case VK_F3: code = (keystate[VK_SHIFT] & 0x80 ? 25 : 13); break;
1262 case VK_F4: code = (keystate[VK_SHIFT] & 0x80 ? 26 : 14); break;
1263 case VK_F5: code = (keystate[VK_SHIFT] & 0x80 ? 28 : 15); break;
1264 case VK_F6: code = (keystate[VK_SHIFT] & 0x80 ? 29 : 17); break;
1265 case VK_F7: code = (keystate[VK_SHIFT] & 0x80 ? 31 : 18); break;
1266 case VK_F8: code = (keystate[VK_SHIFT] & 0x80 ? 32 : 19); break;
1267 case VK_F9: code = (keystate[VK_SHIFT] & 0x80 ? 33 : 20); break;
1268 case VK_F10: code = (keystate[VK_SHIFT] & 0x80 ? 34 : 21); break;
1269 case VK_F11: code = 23; break;
1270 case VK_F12: code = 24; break;
1271 case VK_HOME: code = 1; break;
1272 case VK_INSERT: code = 2; break;
1273 case VK_DELETE: code = 3; break;
1274 case VK_END: code = 4; break;
1275 case VK_PRIOR: code = 5; break;
1276 case VK_NEXT: code = 6; break;
1277 }
1278 if (cfg.linux_funkeys && code >= 11 && code <= 15) {
1279 p += sprintf((char *)p, "\x1B[[%c", code + 'A' - 11);
1280 return p - output;
1281 }
1282 if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
1283 p += sprintf((char *)p, code == 1 ? "\x1B[H" : "\x1BOw");
1284 return p - output;
1285 }
1286 if (code) {
1287 p += sprintf((char *)p, "\x1B[%d~", code);
1288 return p - output;
1289 }
1290
1291 /*
1292 * Now the remaining keys (arrows and Keypad 5. Keypad 5 for
1293 * some reason seems to send VK_CLEAR to Windows...).
1294 */
1295 switch (wParam) {
1296 case VK_UP:
1297 p += sprintf((char *)p, app_cursor_keys ? "\x1BOA" : "\x1B[A");
1298 return p - output;
1299 case VK_DOWN:
1300 p += sprintf((char *)p, app_cursor_keys ? "\x1BOB" : "\x1B[B");
1301 return p - output;
1302 case VK_RIGHT:
1303 p += sprintf((char *)p, app_cursor_keys ? "\x1BOC" : "\x1B[C");
1304 return p - output;
1305 case VK_LEFT:
1306 p += sprintf((char *)p, app_cursor_keys ? "\x1BOD" : "\x1B[D");
1307 return p - output;
1308 case VK_CLEAR: p += sprintf((char *)p, "\x1B[G"); return p - output;
1309 }
1310
1311 return 0;
1312}
1313
1314void set_title (char *title) {
1315 sfree (window_name);
1316 window_name = smalloc(1+strlen(title));
1317 strcpy (window_name, title);
1318 if (!IsIconic(hwnd))
1319 SetWindowText (hwnd, title);
1320}
1321
1322void set_icon (char *title) {
1323 sfree (icon_name);
1324 icon_name = smalloc(1+strlen(title));
1325 strcpy (icon_name, title);
1326 if (IsIconic(hwnd))
1327 SetWindowText (hwnd, title);
1328}
1329
1330void set_sbar (int total, int start, int page) {
1331 SCROLLINFO si;
1332 si.cbSize = sizeof(si);
1333 si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS | SIF_DISABLENOSCROLL;
1334 si.nMin = 0;
1335 si.nMax = total - 1;
1336 si.nPage = page;
1337 si.nPos = start;
1338 SetScrollInfo (hwnd, SB_VERT, &si, TRUE);
1339}
1340
1341Context get_ctx() {
1342 HDC hdc;
1343 if (hwnd) {
1344 hdc = GetDC (hwnd);
1345 if (hdc && pal)
1346 SelectPalette (hdc, pal, FALSE);
1347 return hdc;
1348 } else
1349 return NULL;
1350}
1351
1352void free_ctx (Context ctx) {
1353 SelectPalette (ctx, GetStockObject (DEFAULT_PALETTE), FALSE);
1354 ReleaseDC (hwnd, ctx);
1355}
1356
1357static void real_palette_set (int n, int r, int g, int b) {
1358 if (pal) {
1359 logpal->palPalEntry[n].peRed = r;
1360 logpal->palPalEntry[n].peGreen = g;
1361 logpal->palPalEntry[n].peBlue = b;
1362 logpal->palPalEntry[n].peFlags = PC_NOCOLLAPSE;
1363 colours[n] = PALETTERGB(r, g, b);
1364 SetPaletteEntries (pal, 0, NCOLOURS, logpal->palPalEntry);
1365 } else
1366 colours[n] = RGB(r, g, b);
1367}
1368
1369void palette_set (int n, int r, int g, int b) {
1370 static const int first[21] = {
1371 0, 2, 4, 6, 8, 10, 12, 14,
1372 1, 3, 5, 7, 9, 11, 13, 15,
1373 16, 17, 18, 20, 22
1374 };
1375 real_palette_set (first[n], r, g, b);
1376 if (first[n] >= 18)
1377 real_palette_set (first[n]+1, r, g, b);
1378 if (pal) {
1379 HDC hdc = get_ctx();
1380 UnrealizeObject (pal);
1381 RealizePalette (hdc);
1382 free_ctx (hdc);
1383 }
1384}
1385
1386void palette_reset (void) {
1387 int i;
1388
1389 for (i = 0; i < NCOLOURS; i++) {
1390 if (pal) {
1391 logpal->palPalEntry[i].peRed = defpal[i].rgbtRed;
1392 logpal->palPalEntry[i].peGreen = defpal[i].rgbtGreen;
1393 logpal->palPalEntry[i].peBlue = defpal[i].rgbtBlue;
1394 logpal->palPalEntry[i].peFlags = 0;
1395 colours[i] = PALETTERGB(defpal[i].rgbtRed,
1396 defpal[i].rgbtGreen,
1397 defpal[i].rgbtBlue);
1398 } else
1399 colours[i] = RGB(defpal[i].rgbtRed,
1400 defpal[i].rgbtGreen,
1401 defpal[i].rgbtBlue);
1402 }
1403
1404 if (pal) {
1405 HDC hdc;
1406 SetPaletteEntries (pal, 0, NCOLOURS, logpal->palPalEntry);
1407 hdc = get_ctx();
1408 RealizePalette (hdc);
1409 free_ctx (hdc);
1410 }
1411}
1412
1413void write_clip (void *data, int len) {
1414 HGLOBAL clipdata;
1415 void *lock;
1416
1417 clipdata = GlobalAlloc (GMEM_DDESHARE | GMEM_MOVEABLE, len + 1);
1418 if (!clipdata)
1419 return;
1420 lock = GlobalLock (clipdata);
1421 if (!lock)
1422 return;
1423 memcpy (lock, data, len);
1424 ((unsigned char *) lock) [len] = 0;
1425 GlobalUnlock (clipdata);
1426
1427 SendMessage (hwnd, WM_IGNORE_CLIP, TRUE, 0);
1428 if (OpenClipboard (hwnd)) {
1429 EmptyClipboard();
1430 SetClipboardData (CF_TEXT, clipdata);
1431 CloseClipboard();
1432 } else
1433 GlobalFree (clipdata);
1434 SendMessage (hwnd, WM_IGNORE_CLIP, FALSE, 0);
1435}
1436
1437void get_clip (void **p, int *len) {
1438 static HGLOBAL clipdata = NULL;
1439
1440 if (!p) {
1441 if (clipdata)
1442 GlobalUnlock (clipdata);
1443 clipdata = NULL;
1444 return;
1445 } else {
1446 if (OpenClipboard (NULL)) {
1447 clipdata = GetClipboardData (CF_TEXT);
1448 CloseClipboard();
1449 if (clipdata) {
1450 *p = GlobalLock (clipdata);
1451 if (*p) {
1452 *len = strlen(*p);
1453 return;
1454 }
1455 }
1456 }
1457 }
1458
1459 *p = NULL;
1460 *len = 0;
1461}
1462
1463/*
1464 * Move `lines' lines from position `from' to position `to' in the
1465 * window.
1466 */
1467void optimised_move (int to, int from, int lines) {
1468 RECT r;
1469 int min, max, d;
1470
1471 min = (to < from ? to : from);
1472 max = to + from - min;
1473 d = max - min;
1474
1475 r.left = 0; r.right = cols * font_width;
1476 r.top = min * font_height; r.bottom = (max+lines) * font_height;
1477 ScrollWindow (hwnd, 0, (to - from) * font_height, &r, &r);
1478}
1479
1480/*
1481 * Print a message box and perform a fatal exit.
1482 */
1483void fatalbox(char *fmt, ...) {
1484 va_list ap;
1485 char stuff[200];
1486
1487 va_start(ap, fmt);
1488 vsprintf(stuff, fmt, ap);
1489 va_end(ap);
1490 MessageBox(hwnd, stuff, "PuTTY Fatal Error", MB_ICONERROR | MB_OK);
1491 exit(1);
1492}
1493
1494/*
1495 * Beep.
1496 */
1497void beep(void) {
1498 MessageBeep(MB_OK);
1499}
Local modifications for Simon Tatham's `PuTTY' SSH client and terminal emulator