7 #define PUTTY_DO_GLOBALS /* actually _define_ globals */
11 #define IDM_SHOWLOG 0x0010
12 #define IDM_NEWSESS 0x0020
13 #define IDM_DUPSESS 0x0030
14 #define IDM_RECONF 0x0040
15 #define IDM_CLRSB 0x0050
16 #define IDM_RESET 0x0060
17 #define IDM_TEL_AYT 0x0070
18 #define IDM_TEL_BRK 0x0080
19 #define IDM_TEL_SYNCH 0x0090
20 #define IDM_TEL_EC 0x00a0
21 #define IDM_TEL_EL 0x00b0
22 #define IDM_TEL_GA 0x00c0
23 #define IDM_TEL_NOP 0x00d0
24 #define IDM_TEL_ABORT 0x00e0
25 #define IDM_TEL_AO 0x00f0
26 #define IDM_TEL_IP 0x0100
27 #define IDM_TEL_SUSP 0x0110
28 #define IDM_TEL_EOR 0x0120
29 #define IDM_TEL_EOF 0x0130
30 #define IDM_ABOUT 0x0140
31 #define IDM_SAVEDSESS 0x0150
33 #define IDM_SAVED_MIN 0x1000
34 #define IDM_SAVED_MAX 0x2000
36 #define WM_IGNORE_SIZE (WM_USER + 2)
37 #define WM_IGNORE_CLIP (WM_USER + 3)
39 static int WINAPI WndProc (HWND, UINT, WPARAM, LPARAM);
40 static int TranslateKey(WPARAM wParam, LPARAM lParam, unsigned char *output);
41 static void cfgtopalette(void);
42 static void init_palette(void);
43 static void init_fonts(void);
45 static int extra_width, extra_height;
49 #define FONT_UNDERLINE 2
50 #define FONT_BOLDUND 3
52 #define FONT_OEMBOLD 5
53 #define FONT_OEMBOLDUND 6
55 static HFONT fonts[8];
57 BOLD_COLOURS, BOLD_SHADOW, BOLD_FONT
65 static COLORREF colours[NCOLOURS];
67 static LPLOGPALETTE logpal;
68 static RGBTRIPLE defpal[NCOLOURS];
72 static int dbltime, lasttime, lastact;
73 static Mouse_Button lastbtn;
75 static char *window_name, *icon_name;
77 int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) {
78 static char appname[] = "PuTTY";
83 int guess_width, guess_height;
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);
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);
97 /* WISHLIST: maybe allow config tweaking even if winsock not present? */
102 * Process the command line.
107 default_protocol = DEFAULT_PROTOCOL;
108 default_port = DEFAULT_PORT;
113 while (*p && isspace(*p)) p++;
116 * Process command line options first. Yes, this can be
117 * done better, and it will be as soon as I have the
121 char *q = p + strcspn(p, " \t");
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;
130 p = q + strspn(q, " \t");
134 * An initial @ means to activate a saved session.
138 if (!*cfg.host && !do_config()) {
142 } else if (*p == '&') {
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
151 if (sscanf(p+1, "%x", &filemap) == 1 &&
152 (cp = MapViewOfFile(filemap, FILE_MAP_READ,
153 0, 0, sizeof(Config))) != NULL) {
156 CloseHandle(filemap);
157 } else if (!do_config()) {
163 while (*p && !isspace(*p)) p++;
166 strncpy (cfg.host, q, sizeof(cfg.host)-1);
167 cfg.host[sizeof(cfg.host)-1] = '\0';
168 while (*p && isspace(*p)) p++;
181 back = (cfg.protocol == PROT_SSH ? &ssh_backend : &telnet_backend);
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));
191 wndclass.hCursor = LoadCursor (NULL, IDC_IBEAM);
192 wndclass.hbrBackground = GetStockObject (BLACK_BRUSH);
193 wndclass.lpszMenuName = NULL;
194 wndclass.lpszClassName = appname;
196 RegisterClass (&wndclass);
201 savelines = cfg.savelines;
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...
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;
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;
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);
237 * Initialise the fonts, simultaneously correcting the guesses
238 * for font_{width,height}.
240 bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
245 * Correct the guesses for extra_{width,height}.
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;
256 * Resize the window, now we know what size we _really_ want it
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);
266 * Initialise the scroll bar.
271 si.cbSize = sizeof(si);
272 si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS | SIF_DISABLENOSCROLL;
277 SetScrollInfo (hwnd, SB_VERT, &si, FALSE);
281 * Start up the telnet connection.
288 error = back->init (hwnd, cfg.host, cfg.port, &realhost);
290 sprintf(msg, "Unable to open connection:\n%s", error);
291 MessageBox(NULL, msg, "PuTTY Error", MB_ICONERROR | MB_OK);
294 window_name = icon_name = NULL;
295 sprintf(msg, "%s - PuTTY", realhost);
301 * Set up the input and output buffers.
303 inbuf_reap = inbuf_head = 0;
304 outbuf_reap = outbuf_head = 0;
307 * Prepare the mouse handler.
309 lastact = MA_NOTHING;
310 lastbtn = MB_NOTHING;
311 dbltime = GetDoubleClickTime();
314 * Set up the session-control options on the system menu.
317 HMENU m = GetSystemMenu (hwnd, FALSE);
321 AppendMenu (m, MF_SEPARATOR, 0, 0);
322 if (cfg.protocol == PROT_TELNET) {
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);
344 AppendMenu (m, MF_ENABLED, IDM_NEWSESS, "New Session");
345 AppendMenu (m, MF_ENABLED, IDM_DUPSESS, "Duplicate Session");
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");
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");
360 * Finally show the window!
362 ShowWindow (hwnd, show);
365 * Set the palette up.
371 has_focus = (GetForegroundWindow() == hwnd);
374 while (GetMessage (&msg, NULL, 0, 0)) {
375 DispatchMessage (&msg);
376 if (inbuf_reap != inbuf_head)
378 /* In idle moments, do a full screen update */
379 if (!PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
390 DeleteObject(fonts[i]);
397 if (cfg.protocol == PROT_SSH)
404 * Copy the colour palette from the configuration data into defpal.
405 * This is non-trivial because the colour indices are different.
407 static void cfgtopalette(void) {
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
415 for (i=0; i<24; 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];
424 * Set up the colour palette.
426 static void init_palette(void) {
428 HDC hdc = GetDC (hwnd);
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;
443 pal = CreatePalette (logpal);
445 SelectPalette (hdc, pal, FALSE);
446 RealizePalette (hdc);
447 SelectPalette (hdc, GetStockObject (DEFAULT_PALETTE),
451 ReleaseDC (hwnd, hdc);
454 for (i=0; i<NCOLOURS; i++)
455 colours[i] = PALETTERGB(defpal[i].rgbtRed,
459 for(i=0; i<NCOLOURS; i++)
460 colours[i] = RGB(defpal[i].rgbtRed,
466 * Initialise all the fonts we will need. There may be as many as
467 * eight or as few as one. We also:
469 * - check the font width and height, correcting our guesses if
472 * - verify that the bold font is the same width as the ordinary
473 * one, and engage shadow bolding if not.
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).
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.
482 static void init_fonts(void) {
487 int fw_dontcare, fw_bold;
492 if (cfg.fontisbold) {
493 fw_dontcare = FW_BOLD;
496 fw_dontcare = FW_DONTCARE;
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);
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);
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);
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);
523 fonts[FONT_BOLD] = fonts[FONT_BOLDUND] = NULL;
524 fonts[FONT_OEMBOLD] = fonts[FONT_OEMBOLDUND] = NULL;
530 if (cfg.vtmode == VT_OEMONLY)
535 for (i=0; i<(cfg.vtmode == VT_OEMANSI ? 5 : 4); i++) {
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;
546 widths[i] = tm.tmAveCharWidth;
550 ReleaseDC (hwnd, hdc);
552 if (widths[FONT_UNDERLINE] != widths[FONT_NORMAL] ||
553 (bold_mode == BOLD_FONT &&
554 widths[FONT_BOLDUND] != widths[FONT_BOLD])) {
556 DeleteObject (fonts[FONT_UNDERLINE]);
557 if (bold_mode == BOLD_FONT)
558 DeleteObject (fonts[FONT_BOLDUND]);
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]);
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;
576 DeleteObject (fonts[i]);
580 void request_resize (int w, int h) {
581 int width = extra_width + font_width * w;
582 int height = extra_height + font_height * h;
584 SetWindowPos (hwnd, NULL, 0, 0, width, height,
585 SWP_NOACTIVATE | SWP_NOCOPYBITS |
586 SWP_NOMOVE | SWP_NOZORDER);
589 static void click (Mouse_Button b, int x, int y) {
590 int thistime = GetMessageTime();
592 if (lastbtn == b && thistime - lasttime < dbltime) {
593 lastact = (lastact == MA_CLICK ? MA_2CLK :
594 lastact == MA_2CLK ? MA_3CLK :
595 lastact == MA_3CLK ? MA_CLICK : MA_NOTHING);
600 if (lastact != MA_NOTHING)
601 term_mouse (b, lastact, x, y);
605 static int WINAPI WndProc (HWND hwnd, UINT message,
606 WPARAM wParam, LPARAM lParam) {
608 static int ignore_size = FALSE;
609 static int ignore_clip = FALSE;
610 static int just_reconfigged = FALSE;
619 switch (wParam & ~0xF) { /* low 4 bits reserved to Windows */
630 PROCESS_INFORMATION pi;
631 HANDLE filemap = NULL;
633 if (wParam == IDM_DUPSESS) {
635 * Allocate a file-mapping memory chunk for the
638 SECURITY_ATTRIBUTES sa;
641 sa.nLength = sizeof(sa);
642 sa.lpSecurityDescriptor = NULL;
643 sa.bInheritHandle = TRUE;
644 filemap = CreateFileMapping((HANDLE)0xFFFFFFFF,
651 p = (Config *)MapViewOfFile(filemap,
653 0, 0, sizeof(Config));
655 *p = cfg; /* structure copy */
659 sprintf(c, "putty &%08x", filemap);
661 } else if (wParam == IDM_SAVEDSESS) {
662 sprintf(c, "putty @%s",
663 sessions[(lParam - IDM_SAVED_MIN) / 16]);
668 GetModuleFileName (NULL, b, sizeof(b)-1);
670 si.lpReserved = NULL;
675 si.lpReserved2 = NULL;
676 CreateProcess (b, cl, NULL, NULL, TRUE,
677 NORMAL_PRIORITY_CLASS, NULL, NULL, &si, &pi);
680 CloseHandle(filemap);
684 if (!do_reconfig(hwnd))
686 just_reconfigged = TRUE;
691 DeleteObject(fonts[i]);
693 bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
703 term_size(cfg.height, cfg.width, cfg.savelines);
704 InvalidateRect(hwnd, NULL, TRUE);
705 SetWindowPos (hwnd, NULL, 0, 0,
706 extra_width + font_width * cfg.width,
707 extra_height + font_height * cfg.height,
708 SWP_NOACTIVATE | SWP_NOCOPYBITS |
709 SWP_NOMOVE | SWP_NOZORDER);
710 if (IsIconic(hwnd)) {
712 cfg.win_name_always ? window_name : icon_name);
721 case IDM_TEL_AYT: back->special (TS_AYT); break;
722 case IDM_TEL_BRK: back->special (TS_BRK); break;
723 case IDM_TEL_SYNCH: back->special (TS_SYNCH); break;
724 case IDM_TEL_EC: back->special (TS_EC); break;
725 case IDM_TEL_EL: back->special (TS_EL); break;
726 case IDM_TEL_GA: back->special (TS_GA); break;
727 case IDM_TEL_NOP: back->special (TS_NOP); break;
728 case IDM_TEL_ABORT: back->special (TS_ABORT); break;
729 case IDM_TEL_AO: back->special (TS_AO); break;
730 case IDM_TEL_IP: back->special (TS_IP); break;
731 case IDM_TEL_SUSP: back->special (TS_SUSP); break;
732 case IDM_TEL_EOR: back->special (TS_EOR); break;
733 case IDM_TEL_EOF: back->special (TS_EOF); break;
738 if (wParam >= IDM_SAVED_MIN && wParam <= IDM_SAVED_MAX) {
739 SendMessage(hwnd, WM_SYSCOMMAND, IDM_SAVEDSESS, wParam);
744 #define X_POS(l) ((int)(short)LOWORD(l))
745 #define Y_POS(l) ((int)(short)HIWORD(l))
747 #define TO_CHR_X(x) (((x)<0 ? (x)-font_width+1 : (x)) / font_width)
748 #define TO_CHR_Y(y) (((y)<0 ? (y)-font_height+1: (y)) / font_height)
751 click (MB_SELECT, TO_CHR_X(X_POS(lParam)),
752 TO_CHR_Y(Y_POS(lParam)));
756 term_mouse (MB_SELECT, MA_RELEASE, TO_CHR_X(X_POS(lParam)),
757 TO_CHR_Y(Y_POS(lParam)));
762 click (cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND,
763 TO_CHR_X(X_POS(lParam)),
764 TO_CHR_Y(Y_POS(lParam)));
767 term_mouse (cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND,
768 MA_RELEASE, TO_CHR_X(X_POS(lParam)),
769 TO_CHR_Y(Y_POS(lParam)));
774 click (cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE,
775 TO_CHR_X(X_POS(lParam)),
776 TO_CHR_Y(Y_POS(lParam)));
779 term_mouse (cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE,
780 MA_RELEASE, TO_CHR_X(X_POS(lParam)),
781 TO_CHR_Y(Y_POS(lParam)));
786 * Add the mouse position and message time to the random
787 * number noise, if we're using ssh.
789 if (cfg.protocol == PROT_SSH)
790 noise_ultralight(lParam);
792 if (wParam & (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON)) {
794 if (wParam & MK_LBUTTON)
796 else if (wParam & MK_MBUTTON)
797 b = cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND;
799 b = cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE;
800 term_mouse (b, MA_DRAG, TO_CHR_X(X_POS(lParam)),
801 TO_CHR_Y(Y_POS(lParam)));
805 ignore_clip = wParam; /* don't panic on DESTROYCLIPBOARD */
807 case WM_DESTROYCLIPBOARD:
815 hdc = BeginPaint (hwnd, &p);
817 SelectPalette (hdc, pal, TRUE);
818 RealizePalette (hdc);
820 term_paint (hdc, p.rcPaint.left, p.rcPaint.top,
821 p.rcPaint.right, p.rcPaint.bottom);
822 SelectObject (hdc, GetStockObject(SYSTEM_FONT));
823 SelectObject (hdc, GetStockObject(WHITE_PEN));
829 int i = back->msg (wParam, lParam);
832 switch (WSABASEERR + (-i) % 10000) {
834 sprintf(buf, "Connection reset by peer");
837 sprintf(buf, "Unexpected network error %d", -i);
840 MessageBox(hwnd, buf, "PuTTY Fatal Error",
841 MB_ICONERROR | MB_OK);
844 if (cfg.close_on_exit)
847 MessageBox(hwnd, "Connection closed by remote host",
848 "PuTTY", MB_OK | MB_ICONINFORMATION);
849 SetWindowText (hwnd, "PuTTY (inactive)");
865 ignore_size = TRUE; /* don't panic on next WM_SIZE msg */
869 int width, height, w, h, ew, eh;
870 LPRECT r = (LPRECT)lParam;
872 width = r->right - r->left - extra_width;
873 height = r->bottom - r->top - extra_height;
874 w = (width + font_width/2) / font_width; if (w < 1) w = 1;
875 h = (height + font_height/2) / font_height; if (h < 1) h = 1;
876 ew = width - w * font_width;
877 eh = height - h * font_height;
879 if (wParam == WMSZ_LEFT ||
880 wParam == WMSZ_BOTTOMLEFT ||
881 wParam == WMSZ_TOPLEFT)
887 if (wParam == WMSZ_TOP ||
888 wParam == WMSZ_TOPRIGHT ||
889 wParam == WMSZ_TOPLEFT)
901 if (wParam == SIZE_MINIMIZED) {
903 cfg.win_name_always ? window_name : icon_name);
906 if (wParam == SIZE_RESTORED || wParam == SIZE_MAXIMIZED)
907 SetWindowText (hwnd, window_name);
909 int width, height, w, h;
910 #if 0 /* we have fixed this using WM_SIZING now */
914 width = LOWORD(lParam);
915 height = HIWORD(lParam);
916 w = width / font_width; if (w < 1) w = 1;
917 h = height / font_height; if (h < 1) h = 1;
918 #if 0 /* we have fixed this using WM_SIZING now */
919 ew = width - w * font_width;
920 eh = height - h * font_height;
921 if (ew != 0 || eh != 0) {
923 GetWindowRect (hwnd, &r);
924 SendMessage (hwnd, WM_IGNORE_SIZE, 0, 0);
925 SetWindowPos (hwnd, NULL, 0, 0,
926 r.right - r.left - ew, r.bottom - r.top - eh,
927 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
930 if (w != cols || h != rows || just_reconfigged) {
932 term_size (h, w, cfg.savelines);
934 just_reconfigged = FALSE;
940 switch (LOWORD(wParam)) {
941 case SB_BOTTOM: term_scroll(-1, 0); break;
942 case SB_TOP: term_scroll(+1, 0); break;
943 case SB_LINEDOWN: term_scroll (0, +1); break;
944 case SB_LINEUP: term_scroll (0, -1); break;
945 case SB_PAGEDOWN: term_scroll (0, +rows/2); break;
946 case SB_PAGEUP: term_scroll (0, -rows/2); break;
947 case SB_THUMBPOSITION: case SB_THUMBTRACK:
948 term_scroll (1, HIWORD(wParam)); break;
951 case WM_PALETTECHANGED:
952 if ((HWND) wParam != hwnd && pal != NULL) {
955 if (RealizePalette (hdc) > 0)
961 case WM_QUERYNEWPALETTE:
965 if (RealizePalette (hdc) > 0)
975 * Add the scan code and keypress timing to the random
976 * number noise, if we're using ssh.
978 if (cfg.protocol == PROT_SSH)
979 noise_ultralight(lParam);
982 * We don't do TranslateMessage since it disassociates the
983 * resulting CHAR message from the KEYDOWN that sparked it,
984 * which we occasionally don't want. Instead, we process
985 * KEYDOWN, and call the Win32 translator functions so that
986 * we get the translations under _our_ control.
989 unsigned char buf[20];
992 len = TranslateKey (wParam, lParam, buf);
993 back->send (buf, len);
999 * We handle KEYUP ourselves in order to distinghish left
1000 * and right Alt or Control keys, which Windows won't do
1001 * right if left to itself. See also the special processing
1002 * at the top of TranslateKey.
1006 int ret = GetKeyboardState(keystate);
1007 if (ret && wParam == VK_MENU) {
1008 if (lParam & 0x1000000) keystate[VK_RMENU] = 0;
1009 else keystate[VK_LMENU] = 0;
1010 SetKeyboardState (keystate);
1012 if (ret && wParam == VK_CONTROL) {
1013 if (lParam & 0x1000000) keystate[VK_RCONTROL] = 0;
1014 else keystate[VK_LCONTROL] = 0;
1015 SetKeyboardState (keystate);
1019 * We don't return here, in order to allow Windows to do
1020 * its own KEYUP processing as well.
1026 * Nevertheless, we are prepared to deal with WM_CHAR
1027 * messages, should they crop up. So if someone wants to
1028 * post the things to us as part of a macro manoeuvre,
1029 * we're ready to cope.
1038 return DefWindowProc (hwnd, message, wParam, lParam);
1042 * Draw a line of text in the window, at given character
1043 * coordinates, in given attributes.
1045 * We are allowed to fiddle with the contents of `text'.
1047 void do_text (Context ctx, int x, int y, char *text, int len,
1048 unsigned long attr) {
1050 int nfg, nbg, nfont;
1056 if (attr & ATTR_ACTCURS) {
1057 attr &= (bold_mode == BOLD_COLOURS ? 0x200 : 0x300);
1058 attr ^= ATTR_CUR_XOR;
1062 if (cfg.vtmode == VT_OEMONLY)
1066 * Map high-half characters in order to approximate ISO using
1067 * OEM character set. Characters missing are 0xC3 (Atilde) and
1070 if (nfont & FONT_OEM) {
1072 for (i=0; i<len; i++)
1073 if (text[i] >= '\xA0' && text[i] <= '\xFF') {
1074 static const char oemhighhalf[] =
1075 "\x20\xAD\xBD\x9C\xCF\xBE\xDD\xF5" /* A0-A7 */
1076 "\xF9\xB8\xA6\xAE\xAA\xF0\xA9\xEE" /* A8-AF */
1077 "\xF8\xF1\xFD\xFC\xEF\xE6\xF4\xFA" /* B0-B7 */
1078 "\xF7\xFB\xA7\xAF\xAC\xAB\xF3\xA8" /* B8-BF */
1079 "\xB7\xB5\xB6\x41\x8E\x8F\x92\x80" /* C0-C7 */
1080 "\xD4\x90\xD2\xD3\x49\xD6\xD7\xD8" /* C8-CF */
1081 "\xD1\xA5\xE3\xE0\xE2\xE5\x99\x9E" /* D0-D7 */
1082 "\x9D\xEB\xE9\xEA\x9A\xED\xE8\xE1" /* D8-DF */
1083 "\x85\xA0\x83\xC6\x84\x86\x91\x87" /* E0-E7 */
1084 "\x8A\x82\x88\x89\x8D\xA1\x8C\x8B" /* E8-EF */
1085 "\xD0\xA4\x95\xA2\x93\xE4\x94\xF6" /* F0-F7 */
1086 "\x9B\x97\xA3\x96\x81\xEC\xE7\x98" /* F8-FF */
1088 text[i] = oemhighhalf[(unsigned char)text[i] - 0xA0];
1092 if (attr & ATTR_GBCHR) {
1095 * GB mapping: map # to pound, and everything else stays
1098 for (i=0; i<len; i++)
1100 text[i] = cfg.vtmode == VT_OEMONLY ? '\x9C' : '\xA3';
1101 } else if (attr & ATTR_LINEDRW) {
1103 static const char poorman[] =
1104 "*#****\xB0\xB1**+++++-----++++|****\xA3\xB7";
1105 static const char oemmap[] =
1106 "*\xB1****\xF8\xF1**\xD9\xBF\xDA\xC0\xC5"
1107 "\xC4\xC4\xC4\xC4\xC4\xC3\xB4\xC1\xC2\xB3****\x9C\xFA";
1110 * Line drawing mapping: map ` thru ~ (0x60 thru 0x7E) to
1111 * VT100 line drawing chars; everything else stays normal.
1113 switch (cfg.vtmode) {
1115 for (i=0; i<len; i++)
1116 if (text[i] >= '\x60' && text[i] <= '\x7E')
1117 text[i] += '\x01' - '\x60';
1122 for (i=0; i<len; i++)
1123 if (text[i] >= '\x60' && text[i] <= '\x7E')
1124 text[i] = oemmap[(unsigned char)text[i] - 0x60];
1127 for (i=0; i<len; i++)
1128 if (text[i] >= '\x60' && text[i] <= '\x7E')
1129 text[i] = poorman[(unsigned char)text[i] - 0x60];
1134 nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
1135 nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
1136 if (bold_mode == BOLD_FONT && (attr & ATTR_BOLD))
1138 if (und_mode == UND_FONT && (attr & ATTR_UNDER))
1139 nfont |= FONT_UNDERLINE;
1140 if (attr & ATTR_REVERSE) {
1141 t = nfg; nfg = nbg; nbg = t;
1143 if (bold_mode == BOLD_COLOURS && (attr & ATTR_BOLD))
1147 SelectObject (hdc, fonts[nfont]);
1148 SetTextColor (hdc, fg);
1149 SetBkColor (hdc, bg);
1150 SetBkMode (hdc, OPAQUE);
1151 TextOut (hdc, x, y, text, len);
1152 if (bold_mode == BOLD_SHADOW && (attr & ATTR_BOLD)) {
1153 SetBkMode (hdc, TRANSPARENT);
1154 TextOut (hdc, x-1, y, text, len);
1156 if (und_mode == UND_LINE && (attr & ATTR_UNDER)) {
1158 oldpen = SelectObject (hdc, CreatePen(PS_SOLID, 0, fg));
1159 MoveToEx (hdc, x, y+descent, NULL);
1160 LineTo (hdc, x+len*font_width, y+descent);
1161 oldpen = SelectObject (hdc, oldpen);
1162 DeleteObject (oldpen);
1164 if (attr & ATTR_PASCURS) {
1167 pts[0].x = pts[1].x = pts[4].x = x;
1168 pts[2].x = pts[3].x = x+font_width-1;
1169 pts[0].y = pts[3].y = pts[4].y = y;
1170 pts[1].y = pts[2].y = y+font_height-1;
1171 oldpen = SelectObject (hdc, CreatePen(PS_SOLID, 0, colours[23]));
1172 Polyline (hdc, pts, 5);
1173 oldpen = SelectObject (hdc, oldpen);
1174 DeleteObject (oldpen);
1179 * Translate a WM_(SYS)?KEYDOWN message into a string of ASCII
1180 * codes. Returns number of bytes used.
1182 static int TranslateKey(WPARAM wParam, LPARAM lParam, unsigned char *output) {
1183 unsigned char *p = output;
1186 int cancel_alt = FALSE;
1189 * Get hold of the keyboard state, because we'll need it a few
1192 ret = GetKeyboardState(keystate);
1195 * Windows does not always want to distinguish left and right
1196 * Alt or Control keys. Thus we keep track of them ourselves.
1197 * See also the WM_KEYUP handler.
1199 if (wParam == VK_MENU) {
1200 if (lParam & 0x1000000) keystate[VK_RMENU] = 0x80;
1201 else keystate[VK_LMENU] = 0x80;
1202 SetKeyboardState (keystate);
1205 if (wParam == VK_CONTROL) {
1206 if (lParam & 0x1000000) keystate[VK_RCONTROL] = 0x80;
1207 else keystate[VK_LCONTROL] = 0x80;
1208 SetKeyboardState (keystate);
1213 * Prepend ESC, and cancel ALT, if ALT was pressed at the time
1214 * and it wasn't AltGr.
1216 if (lParam & 0x20000000 && (keystate[VK_LMENU] & 0x80)) {
1222 * Shift-PgUp, Shift-PgDn, and Alt-F4 all produce window
1223 * events: we'll deal with those now.
1225 if (ret && (keystate[VK_SHIFT] & 0x80) && wParam == VK_PRIOR) {
1226 SendMessage (hwnd, WM_VSCROLL, SB_PAGEUP, 0);
1229 if (ret && (keystate[VK_SHIFT] & 0x80) && wParam == VK_NEXT) {
1230 SendMessage (hwnd, WM_VSCROLL, SB_PAGEDOWN, 0);
1233 if ((lParam & 0x20000000) && wParam == VK_F4) {
1234 SendMessage (hwnd, WM_DESTROY, 0, 0);
1239 * In general, the strategy is to see what the Windows keymap
1240 * translation has to say for itself, and then process function
1241 * keys and suchlike ourselves if that fails. But first we must
1242 * deal with the small number of special cases which the
1243 * Windows keymap translator thinks it can do but gets wrong.
1245 * First special case: we might want the Backspace key to send
1248 if (wParam == VK_BACK) {
1249 *p++ = (cfg.bksp_is_delete ? 0x7F : 0x08);
1254 * Control-Space should send ^@ (0x00), not Space.
1256 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == VK_SPACE) {
1262 * If we're in applications keypad mode, we have to process it
1263 * before char-map translation, because it will pre-empt lots
1264 * of stuff, even if NumLock is off.
1266 if (app_keypad_keys) {
1269 * Hack to ensure NumLock doesn't interfere with
1270 * perception of Shift for Keypad Plus. I don't pretend
1271 * to understand this, but it seems to work as is.
1272 * Leave it alone, or die.
1274 keystate[VK_NUMLOCK] = 0;
1275 SetKeyboardState (keystate);
1276 GetKeyboardState (keystate);
1278 switch ( (lParam >> 16) & 0x1FF ) {
1279 case 0x145: p += sprintf((char *)p, "\x1BOP"); return p - output;
1280 case 0x135: p += sprintf((char *)p, "\x1BOQ"); return p - output;
1281 case 0x037: p += sprintf((char *)p, "\x1BOR"); return p - output;
1282 case 0x047: p += sprintf((char *)p, "\x1BOw"); return p - output;
1283 case 0x048: p += sprintf((char *)p, "\x1BOx"); return p - output;
1284 case 0x049: p += sprintf((char *)p, "\x1BOy"); return p - output;
1285 case 0x04A: p += sprintf((char *)p, "\x1BOS"); return p - output;
1286 case 0x04B: p += sprintf((char *)p, "\x1BOt"); return p - output;
1287 case 0x04C: p += sprintf((char *)p, "\x1BOu"); return p - output;
1288 case 0x04D: p += sprintf((char *)p, "\x1BOv"); return p - output;
1289 case 0x04E: /* keypad + is ^[Ol, but ^[Om with Shift */
1290 p += sprintf((char *)p,
1291 (ret && (keystate[VK_SHIFT] & 0x80)) ?
1292 "\x1BOm" : "\x1BOl");
1294 case 0x04F: p += sprintf((char *)p, "\x1BOq"); return p - output;
1295 case 0x050: p += sprintf((char *)p, "\x1BOr"); return p - output;
1296 case 0x051: p += sprintf((char *)p, "\x1BOs"); return p - output;
1297 case 0x052: p += sprintf((char *)p, "\x1BOp"); return p - output;
1298 case 0x053: p += sprintf((char *)p, "\x1BOn"); return p - output;
1299 case 0x11C: p += sprintf((char *)p, "\x1BOM"); return p - output;
1304 * Before doing Windows charmap translation, remove LeftALT
1305 * from the keymap, since its sole effect should be to prepend
1306 * ESC, which we've already done. Note that removal of LeftALT
1307 * has to happen _after_ the above call to SetKeyboardState, or
1308 * dire things will befall.
1311 keystate[VK_MENU] = keystate[VK_RMENU];
1312 keystate[VK_LMENU] = 0;
1316 * Attempt the Windows char-map translation.
1320 int r = ToAscii (wParam, (lParam >> 16) & 0xFF,
1329 * OK, we haven't had a key code from the keymap translation.
1330 * We'll try our various special cases and function keys, and
1331 * then give up. (There's nothing wrong with giving up:
1332 * Scrollock, Pause/Break, and of course the various buckybit
1333 * keys all produce KEYDOWN events that we really _do_ want to
1338 * Control-2 should return ^@ (0x00), Control-6 should return
1339 * ^^ (0x1E), and Control-Minus should return ^_ (0x1F). Since
1340 * the DOS keyboard handling did it, and we have nothing better
1341 * to do with the key combo in question, we'll also map
1342 * Control-Backquote to ^\ (0x1C).
1344 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '2') {
1348 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '6') {
1352 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == 0xBD) {
1356 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == 0xDF) {
1362 * First, all the keys that do tilde codes. (ESC '[' nn '~',
1363 * for integer decimal nn.)
1365 * We also deal with the weird ones here. Linux VCs replace F1
1366 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
1367 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
1372 case VK_F1: code = (keystate[VK_SHIFT] & 0x80 ? 23 : 11); break;
1373 case VK_F2: code = (keystate[VK_SHIFT] & 0x80 ? 24 : 12); break;
1374 case VK_F3: code = (keystate[VK_SHIFT] & 0x80 ? 25 : 13); break;
1375 case VK_F4: code = (keystate[VK_SHIFT] & 0x80 ? 26 : 14); break;
1376 case VK_F5: code = (keystate[VK_SHIFT] & 0x80 ? 28 : 15); break;
1377 case VK_F6: code = (keystate[VK_SHIFT] & 0x80 ? 29 : 17); break;
1378 case VK_F7: code = (keystate[VK_SHIFT] & 0x80 ? 31 : 18); break;
1379 case VK_F8: code = (keystate[VK_SHIFT] & 0x80 ? 32 : 19); break;
1380 case VK_F9: code = (keystate[VK_SHIFT] & 0x80 ? 33 : 20); break;
1381 case VK_F10: code = (keystate[VK_SHIFT] & 0x80 ? 34 : 21); break;
1382 case VK_F11: code = 23; break;
1383 case VK_F12: code = 24; break;
1384 case VK_HOME: code = 1; break;
1385 case VK_INSERT: code = 2; break;
1386 case VK_DELETE: code = 3; break;
1387 case VK_END: code = 4; break;
1388 case VK_PRIOR: code = 5; break;
1389 case VK_NEXT: code = 6; break;
1391 if (cfg.linux_funkeys && code >= 11 && code <= 15) {
1392 p += sprintf((char *)p, "\x1B[[%c", code + 'A' - 11);
1395 if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
1396 p += sprintf((char *)p, code == 1 ? "\x1B[H" : "\x1BOw");
1400 p += sprintf((char *)p, "\x1B[%d~", code);
1405 * Now the remaining keys (arrows and Keypad 5. Keypad 5 for
1406 * some reason seems to send VK_CLEAR to Windows...).
1410 p += sprintf((char *)p, app_cursor_keys ? "\x1BOA" : "\x1B[A");
1413 p += sprintf((char *)p, app_cursor_keys ? "\x1BOB" : "\x1B[B");
1416 p += sprintf((char *)p, app_cursor_keys ? "\x1BOC" : "\x1B[C");
1419 p += sprintf((char *)p, app_cursor_keys ? "\x1BOD" : "\x1B[D");
1421 case VK_CLEAR: p += sprintf((char *)p, "\x1B[G"); return p - output;
1427 void set_title (char *title) {
1428 sfree (window_name);
1429 window_name = smalloc(1+strlen(title));
1430 strcpy (window_name, title);
1431 if (cfg.win_name_always || !IsIconic(hwnd))
1432 SetWindowText (hwnd, title);
1435 void set_icon (char *title) {
1437 icon_name = smalloc(1+strlen(title));
1438 strcpy (icon_name, title);
1439 if (!cfg.win_name_always && IsIconic(hwnd))
1440 SetWindowText (hwnd, title);
1443 void set_sbar (int total, int start, int page) {
1445 si.cbSize = sizeof(si);
1446 si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS | SIF_DISABLENOSCROLL;
1448 si.nMax = total - 1;
1452 SetScrollInfo (hwnd, SB_VERT, &si, TRUE);
1455 Context get_ctx(void) {
1460 SelectPalette (hdc, pal, FALSE);
1466 void free_ctx (Context ctx) {
1467 SelectPalette (ctx, GetStockObject (DEFAULT_PALETTE), FALSE);
1468 ReleaseDC (hwnd, ctx);
1471 static void real_palette_set (int n, int r, int g, int b) {
1473 logpal->palPalEntry[n].peRed = r;
1474 logpal->palPalEntry[n].peGreen = g;
1475 logpal->palPalEntry[n].peBlue = b;
1476 logpal->palPalEntry[n].peFlags = PC_NOCOLLAPSE;
1477 colours[n] = PALETTERGB(r, g, b);
1478 SetPaletteEntries (pal, 0, NCOLOURS, logpal->palPalEntry);
1480 colours[n] = RGB(r, g, b);
1483 void palette_set (int n, int r, int g, int b) {
1484 static const int first[21] = {
1485 0, 2, 4, 6, 8, 10, 12, 14,
1486 1, 3, 5, 7, 9, 11, 13, 15,
1489 real_palette_set (first[n], r, g, b);
1491 real_palette_set (first[n]+1, r, g, b);
1493 HDC hdc = get_ctx();
1494 UnrealizeObject (pal);
1495 RealizePalette (hdc);
1500 void palette_reset (void) {
1503 for (i = 0; i < NCOLOURS; i++) {
1505 logpal->palPalEntry[i].peRed = defpal[i].rgbtRed;
1506 logpal->palPalEntry[i].peGreen = defpal[i].rgbtGreen;
1507 logpal->palPalEntry[i].peBlue = defpal[i].rgbtBlue;
1508 logpal->palPalEntry[i].peFlags = 0;
1509 colours[i] = PALETTERGB(defpal[i].rgbtRed,
1510 defpal[i].rgbtGreen,
1511 defpal[i].rgbtBlue);
1513 colours[i] = RGB(defpal[i].rgbtRed,
1514 defpal[i].rgbtGreen,
1515 defpal[i].rgbtBlue);
1520 SetPaletteEntries (pal, 0, NCOLOURS, logpal->palPalEntry);
1522 RealizePalette (hdc);
1527 void write_clip (void *data, int len) {
1531 clipdata = GlobalAlloc (GMEM_DDESHARE | GMEM_MOVEABLE, len + 1);
1534 lock = GlobalLock (clipdata);
1537 memcpy (lock, data, len);
1538 ((unsigned char *) lock) [len] = 0;
1539 GlobalUnlock (clipdata);
1541 SendMessage (hwnd, WM_IGNORE_CLIP, TRUE, 0);
1542 if (OpenClipboard (hwnd)) {
1544 SetClipboardData (CF_TEXT, clipdata);
1547 GlobalFree (clipdata);
1548 SendMessage (hwnd, WM_IGNORE_CLIP, FALSE, 0);
1551 void get_clip (void **p, int *len) {
1552 static HGLOBAL clipdata = NULL;
1556 GlobalUnlock (clipdata);
1560 if (OpenClipboard (NULL)) {
1561 clipdata = GetClipboardData (CF_TEXT);
1564 *p = GlobalLock (clipdata);
1578 * Move `lines' lines from position `from' to position `to' in the
1581 void optimised_move (int to, int from, int lines) {
1585 min = (to < from ? to : from);
1586 max = to + from - min;
1588 r.left = 0; r.right = cols * font_width;
1589 r.top = min * font_height; r.bottom = (max+lines) * font_height;
1590 ScrollWindow (hwnd, 0, (to - from) * font_height, &r, &r);
1594 * Print a message box and perform a fatal exit.
1596 void fatalbox(char *fmt, ...) {
1601 vsprintf(stuff, fmt, ap);
1603 MessageBox(hwnd, stuff, "PuTTY Fatal Error", MB_ICONERROR | MB_OK);