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Remove accelerator conflict in Language panel
[sgt/putty] / window.c
CommitLineData
374330e2 1#include <windows.h>
2#include <commctrl.h>
3#include <winsock.h>
4#include <stdio.h>
5#include <stdlib.h>
6
7#define PUTTY_DO_GLOBALS /* actually _define_ globals */
8#include "putty.h"
9#include "win_res.h"
10
6833a413 11#define IDM_SHOWLOG 0x0010
12#define IDM_NEWSESS 0x0020
13#define IDM_DUPSESS 0x0030
14#define IDM_RECONF 0x0040
15#define IDM_CLRSB 0x0050
16#define IDM_RESET 0x0060
17#define IDM_TEL_AYT 0x0070
18#define IDM_TEL_BRK 0x0080
19#define IDM_TEL_SYNCH 0x0090
20#define IDM_TEL_EC 0x00a0
21#define IDM_TEL_EL 0x00b0
22#define IDM_TEL_GA 0x00c0
23#define IDM_TEL_NOP 0x00d0
24#define IDM_TEL_ABORT 0x00e0
25#define IDM_TEL_AO 0x00f0
26#define IDM_TEL_IP 0x0100
27#define IDM_TEL_SUSP 0x0110
28#define IDM_TEL_EOR 0x0120
29#define IDM_TEL_EOF 0x0130
30#define IDM_ABOUT 0x0140
31#define IDM_SAVEDSESS 0x0150
32
33#define IDM_SAVED_MIN 0x1000
34#define IDM_SAVED_MAX 0x2000
374330e2 35
36#define WM_IGNORE_SIZE (WM_USER + 2)
37#define WM_IGNORE_CLIP (WM_USER + 3)
38
39static int WINAPI WndProc (HWND, UINT, WPARAM, LPARAM);
40static int TranslateKey(WPARAM wParam, LPARAM lParam, unsigned char *output);
41static void cfgtopalette(void);
42static void init_palette(void);
43static void init_fonts(void);
44
45static int extra_width, extra_height;
46
47#define FONT_NORMAL 0
48#define FONT_BOLD 1
49#define FONT_UNDERLINE 2
50#define FONT_BOLDUND 3
51#define FONT_OEM 4
52#define FONT_OEMBOLD 5
53#define FONT_OEMBOLDUND 6
54#define FONT_OEMUND 7
55static HFONT fonts[8];
56static enum {
57 BOLD_COLOURS, BOLD_SHADOW, BOLD_FONT
58} bold_mode;
59static enum {
60 UND_LINE, UND_FONT
61} und_mode;
62static int descent;
63
64#define NCOLOURS 24
65static COLORREF colours[NCOLOURS];
66static HPALETTE pal;
67static LPLOGPALETTE logpal;
68static RGBTRIPLE defpal[NCOLOURS];
69
70static HWND hwnd;
71
72static int dbltime, lasttime, lastact;
73static Mouse_Button lastbtn;
74
75static char *window_name, *icon_name;
76
77int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) {
78 static char appname[] = "PuTTY";
79 WORD winsock_ver;
80 WSADATA wsadata;
81 WNDCLASS wndclass;
82 MSG msg;
83 int guess_width, guess_height;
84
73251d5d 85 putty_inst = inst;
86
374330e2 87 winsock_ver = MAKEWORD(1, 1);
88 if (WSAStartup(winsock_ver, &wsadata)) {
89 MessageBox(NULL, "Unable to initialise WinSock", "WinSock Error",
90 MB_OK | MB_ICONEXCLAMATION);
91 return 1;
92 }
93 if (LOBYTE(wsadata.wVersion) != 1 || HIBYTE(wsadata.wVersion) != 1) {
94 MessageBox(NULL, "WinSock version is incompatible with 1.1",
95 "WinSock Error", MB_OK | MB_ICONEXCLAMATION);
96 WSACleanup();
97 return 1;
98 }
99 /* WISHLIST: maybe allow config tweaking even if winsock not present? */
100
101 InitCommonControls();
102
103 /*
104 * Process the command line.
105 */
106 {
107 char *p;
108
e277c42d 109 default_protocol = DEFAULT_PROTOCOL;
110 default_port = DEFAULT_PORT;
111
374330e2 112 do_defaults(NULL);
113
114 p = cmdline;
115 while (*p && isspace(*p)) p++;
116
117 /*
e277c42d 118 * Process command line options first. Yes, this can be
119 * done better, and it will be as soon as I have the
120 * energy...
121 */
122 while (*p == '-') {
123 char *q = p + strcspn(p, " \t");
124 p++;
125 if (q == p + 3 &&
126 tolower(p[0]) == 's' &&
127 tolower(p[1]) == 's' &&
128 tolower(p[2]) == 'h') {
129 default_protocol = cfg.protocol = PROT_SSH;
130 default_port = cfg.port = 22;
131 }
132 p = q + strspn(q, " \t");
133 }
134
135 /*
374330e2 136 * An initial @ means to activate a saved session.
137 */
138 if (*p == '@') {
139 do_defaults (p+1);
140 if (!*cfg.host && !do_config()) {
141 WSACleanup();
142 return 0;
143 }
144 } else if (*p == '&') {
145 /*
146 * An initial & means we've been given a command line
147 * containing the hex value of a HANDLE for a file
148 * mapping object, which we must then extract as a
149 * config.
150 */
151 HANDLE filemap;
152 Config *cp;
153 if (sscanf(p+1, "%x", &filemap) == 1 &&
154 (cp = MapViewOfFile(filemap, FILE_MAP_READ,
155 0, 0, sizeof(Config))) != NULL) {
156 cfg = *cp;
157 UnmapViewOfFile(cp);
158 CloseHandle(filemap);
159 } else if (!do_config()) {
160 WSACleanup();
161 return 0;
162 }
163 } else if (*p) {
164 char *q = p;
165 while (*p && !isspace(*p)) p++;
166 if (*p)
167 *p++ = '\0';
168 strncpy (cfg.host, q, sizeof(cfg.host)-1);
169 cfg.host[sizeof(cfg.host)-1] = '\0';
170 while (*p && isspace(*p)) p++;
171 if (*p)
172 cfg.port = atoi(p);
173 else
174 cfg.port = -1;
175 } else {
176 if (!do_config()) {
177 WSACleanup();
178 return 0;
179 }
180 }
181 }
182
5e1a8e27 183 back = (cfg.protocol == PROT_SSH ? &ssh_backend :
5bc238bb 184 cfg.protocol == PROT_TELNET ? &telnet_backend :
185 &raw_backend);
186
187 ldisc = (cfg.ldisc_term ? &ldisc_term : &ldisc_simple);
374330e2 188
189 if (!prev) {
190 wndclass.style = 0;
191 wndclass.lpfnWndProc = WndProc;
192 wndclass.cbClsExtra = 0;
193 wndclass.cbWndExtra = 0;
194 wndclass.hInstance = inst;
195 wndclass.hIcon = LoadIcon (inst,
196 MAKEINTRESOURCE(IDI_MAINICON));
1bb542b2 197 wndclass.hCursor = LoadCursor (NULL, IDC_IBEAM);
374330e2 198 wndclass.hbrBackground = GetStockObject (BLACK_BRUSH);
199 wndclass.lpszMenuName = NULL;
200 wndclass.lpszClassName = appname;
201
202 RegisterClass (&wndclass);
203 }
204
205 hwnd = NULL;
206
207 savelines = cfg.savelines;
208 term_init();
209
210 cfgtopalette();
211
212 /*
213 * Guess some defaults for the window size. This all gets
214 * updated later, so we don't really care too much. However, we
215 * do want the font width/height guesses to correspond to a
216 * large font rather than a small one...
217 */
218
219 font_width = 10;
220 font_height = 20;
221 extra_width = 25;
222 extra_height = 28;
223 term_size (cfg.height, cfg.width, cfg.savelines);
224 guess_width = extra_width + font_width * cols;
225 guess_height = extra_height + font_height * rows;
226 {
227 RECT r;
228 HWND w = GetDesktopWindow();
229 GetWindowRect (w, &r);
230 if (guess_width > r.right - r.left)
231 guess_width = r.right - r.left;
232 if (guess_height > r.bottom - r.top)
233 guess_height = r.bottom - r.top;
234 }
235
236 hwnd = CreateWindow (appname, appname,
237 WS_OVERLAPPEDWINDOW | WS_VSCROLL,
238 CW_USEDEFAULT, CW_USEDEFAULT,
239 guess_width, guess_height,
240 NULL, NULL, inst, NULL);
241
242 /*
243 * Initialise the fonts, simultaneously correcting the guesses
244 * for font_{width,height}.
245 */
246 bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
247 und_mode = UND_FONT;
248 init_fonts();
249
250 /*
251 * Correct the guesses for extra_{width,height}.
252 */
253 {
254 RECT cr, wr;
255 GetWindowRect (hwnd, &wr);
256 GetClientRect (hwnd, &cr);
257 extra_width = wr.right - wr.left - cr.right + cr.left;
258 extra_height = wr.bottom - wr.top - cr.bottom + cr.top;
259 }
260
261 /*
262 * Resize the window, now we know what size we _really_ want it
263 * to be.
264 */
265 guess_width = extra_width + font_width * cols;
266 guess_height = extra_height + font_height * rows;
267 SendMessage (hwnd, WM_IGNORE_SIZE, 0, 0);
268 SetWindowPos (hwnd, NULL, 0, 0, guess_width, guess_height,
269 SWP_NOMOVE | SWP_NOREDRAW | SWP_NOZORDER);
270
271 /*
272 * Initialise the scroll bar.
273 */
274 {
275 SCROLLINFO si;
276
277 si.cbSize = sizeof(si);
278 si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS | SIF_DISABLENOSCROLL;
279 si.nMin = 0;
280 si.nMax = rows-1;
281 si.nPage = rows;
282 si.nPos = 0;
283 SetScrollInfo (hwnd, SB_VERT, &si, FALSE);
284 }
285
286 /*
287 * Start up the telnet connection.
288 */
289 {
290 char *error;
291 char msg[1024];
292 char *realhost;
293
294 error = back->init (hwnd, cfg.host, cfg.port, &realhost);
295 if (error) {
296 sprintf(msg, "Unable to open connection:\n%s", error);
297 MessageBox(NULL, msg, "PuTTY Error", MB_ICONERROR | MB_OK);
298 return 0;
299 }
300 window_name = icon_name = NULL;
5ac36532 301 sprintf(msg, "%s - PuTTY", realhost);
374330e2 302 set_title (msg);
303 set_icon (msg);
304 }
305
306 /*
307 * Set up the input and output buffers.
308 */
309 inbuf_reap = inbuf_head = 0;
310 outbuf_reap = outbuf_head = 0;
311
312 /*
313 * Prepare the mouse handler.
314 */
315 lastact = MA_NOTHING;
316 lastbtn = MB_NOTHING;
317 dbltime = GetDoubleClickTime();
318
319 /*
320 * Set up the session-control options on the system menu.
321 */
322 {
323 HMENU m = GetSystemMenu (hwnd, FALSE);
0a4aa984 324 HMENU p,s;
325 int i;
374330e2 326
327 AppendMenu (m, MF_SEPARATOR, 0, 0);
328 if (cfg.protocol == PROT_TELNET) {
329 p = CreateMenu();
330 AppendMenu (p, MF_ENABLED, IDM_TEL_AYT, "Are You There");
331 AppendMenu (p, MF_ENABLED, IDM_TEL_BRK, "Break");
332 AppendMenu (p, MF_ENABLED, IDM_TEL_SYNCH, "Synch");
333 AppendMenu (p, MF_SEPARATOR, 0, 0);
334 AppendMenu (p, MF_ENABLED, IDM_TEL_EC, "Erase Character");
335 AppendMenu (p, MF_ENABLED, IDM_TEL_EL, "Erase Line");
336 AppendMenu (p, MF_ENABLED, IDM_TEL_GA, "Go Ahead");
337 AppendMenu (p, MF_ENABLED, IDM_TEL_NOP, "No Operation");
338 AppendMenu (p, MF_SEPARATOR, 0, 0);
339 AppendMenu (p, MF_ENABLED, IDM_TEL_ABORT, "Abort Process");
340 AppendMenu (p, MF_ENABLED, IDM_TEL_AO, "Abort Output");
341 AppendMenu (p, MF_ENABLED, IDM_TEL_IP, "Interrupt Process");
342 AppendMenu (p, MF_ENABLED, IDM_TEL_SUSP, "Suspend Process");
343 AppendMenu (p, MF_SEPARATOR, 0, 0);
344 AppendMenu (p, MF_ENABLED, IDM_TEL_EOR, "End Of Record");
345 AppendMenu (p, MF_ENABLED, IDM_TEL_EOF, "End Of File");
346 AppendMenu (m, MF_POPUP | MF_ENABLED, (UINT) p, "Telnet Command");
374330e2 347 AppendMenu (m, MF_SEPARATOR, 0, 0);
348 }
c5e9c988 349 AppendMenu (m, MF_ENABLED, IDM_SHOWLOG, "Event Log");
350 AppendMenu (m, MF_SEPARATOR, 0, 0);
374330e2 351 AppendMenu (m, MF_ENABLED, IDM_NEWSESS, "New Session");
352 AppendMenu (m, MF_ENABLED, IDM_DUPSESS, "Duplicate Session");
0a4aa984 353 s = CreateMenu();
354 get_sesslist(TRUE);
355 for (i = 1 ; i < ((nsessions < 256) ? nsessions : 256) ; i++)
356 AppendMenu (s, MF_ENABLED, IDM_SAVED_MIN + (16 * i) , sessions[i]);
357 AppendMenu (m, MF_POPUP | MF_ENABLED, (UINT) s, "Saved Sessions");
374330e2 358 AppendMenu (m, MF_ENABLED, IDM_RECONF, "Change Settings");
359 AppendMenu (m, MF_SEPARATOR, 0, 0);
360 AppendMenu (m, MF_ENABLED, IDM_CLRSB, "Clear Scrollback");
361 AppendMenu (m, MF_ENABLED, IDM_RESET, "Reset Terminal");
362 AppendMenu (m, MF_SEPARATOR, 0, 0);
363 AppendMenu (m, MF_ENABLED, IDM_ABOUT, "About PuTTY");
364 }
365
366 /*
367 * Finally show the window!
368 */
369 ShowWindow (hwnd, show);
370
371 /*
372 * Set the palette up.
373 */
374 pal = NULL;
375 logpal = NULL;
376 init_palette();
377
378 has_focus = (GetForegroundWindow() == hwnd);
379 UpdateWindow (hwnd);
380
381 while (GetMessage (&msg, NULL, 0, 0)) {
382 DispatchMessage (&msg);
383 if (inbuf_reap != inbuf_head)
384 term_out();
385 /* In idle moments, do a full screen update */
386 if (!PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
387 term_update();
388 }
389
390 /*
391 * Clean up.
392 */
393 {
394 int i;
395 for (i=0; i<8; i++)
396 if (fonts[i])
397 DeleteObject(fonts[i]);
398 }
399 sfree(logpal);
400 if (pal)
401 DeleteObject(pal);
402 WSACleanup();
403
404 if (cfg.protocol == PROT_SSH)
405 random_save_seed();
406
407 return msg.wParam;
408}
409
410/*
411 * Copy the colour palette from the configuration data into defpal.
412 * This is non-trivial because the colour indices are different.
413 */
414static void cfgtopalette(void) {
415 int i;
416 static const int ww[] = {
417 6, 7, 8, 9, 10, 11, 12, 13,
418 14, 15, 16, 17, 18, 19, 20, 21,
419 0, 1, 2, 3, 4, 4, 5, 5
420 };
421
422 for (i=0; i<24; i++) {
423 int w = ww[i];
424 defpal[i].rgbtRed = cfg.colours[w][0];
425 defpal[i].rgbtGreen = cfg.colours[w][1];
426 defpal[i].rgbtBlue = cfg.colours[w][2];
427 }
428}
429
430/*
431 * Set up the colour palette.
432 */
433static void init_palette(void) {
434 int i;
435 HDC hdc = GetDC (hwnd);
436 if (hdc) {
437 if (cfg.try_palette &&
438 GetDeviceCaps (hdc, RASTERCAPS) & RC_PALETTE) {
439 logpal = smalloc(sizeof(*logpal)
440 - sizeof(logpal->palPalEntry)
441 + NCOLOURS * sizeof(PALETTEENTRY));
442 logpal->palVersion = 0x300;
443 logpal->palNumEntries = NCOLOURS;
444 for (i = 0; i < NCOLOURS; i++) {
445 logpal->palPalEntry[i].peRed = defpal[i].rgbtRed;
446 logpal->palPalEntry[i].peGreen = defpal[i].rgbtGreen;
447 logpal->palPalEntry[i].peBlue = defpal[i].rgbtBlue;
448 logpal->palPalEntry[i].peFlags = PC_NOCOLLAPSE;
449 }
450 pal = CreatePalette (logpal);
451 if (pal) {
452 SelectPalette (hdc, pal, FALSE);
453 RealizePalette (hdc);
454 SelectPalette (hdc, GetStockObject (DEFAULT_PALETTE),
455 FALSE);
456 }
457 }
458 ReleaseDC (hwnd, hdc);
459 }
460 if (pal)
461 for (i=0; i<NCOLOURS; i++)
462 colours[i] = PALETTERGB(defpal[i].rgbtRed,
463 defpal[i].rgbtGreen,
464 defpal[i].rgbtBlue);
465 else
466 for(i=0; i<NCOLOURS; i++)
467 colours[i] = RGB(defpal[i].rgbtRed,
468 defpal[i].rgbtGreen,
469 defpal[i].rgbtBlue);
470}
471
472/*
473 * Initialise all the fonts we will need. There may be as many as
474 * eight or as few as one. We also:
475 *
476 * - check the font width and height, correcting our guesses if
477 * necessary.
478 *
479 * - verify that the bold font is the same width as the ordinary
480 * one, and engage shadow bolding if not.
481 *
482 * - verify that the underlined font is the same width as the
483 * ordinary one (manual underlining by means of line drawing can
484 * be done in a pinch).
485 *
486 * - verify, in OEM/ANSI combined mode, that the OEM and ANSI base
487 * fonts are the same size, and shift to OEM-only mode if not.
488 */
489static void init_fonts(void) {
490 TEXTMETRIC tm;
491 int i, j;
492 int widths[5];
493 HDC hdc;
494 int fw_dontcare, fw_bold;
495
496 for (i=0; i<8; i++)
497 fonts[i] = NULL;
498
499 if (cfg.fontisbold) {
500 fw_dontcare = FW_BOLD;
501 fw_bold = FW_BLACK;
502 } else {
503 fw_dontcare = FW_DONTCARE;
504 fw_bold = FW_BOLD;
505 }
506
507#define f(i,c,w,u) \
508 fonts[i] = CreateFont (cfg.fontheight, 0, 0, 0, w, FALSE, u, FALSE, \
509 c, OUT_DEFAULT_PRECIS, \
510 CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, \
511 FIXED_PITCH | FF_DONTCARE, cfg.font)
512 if (cfg.vtmode != VT_OEMONLY) {
14963b8f 513 f(FONT_NORMAL, cfg.fontcharset, fw_dontcare, FALSE);
514 f(FONT_UNDERLINE, cfg.fontcharset, fw_dontcare, TRUE);
374330e2 515 }
516 if (cfg.vtmode == VT_OEMANSI || cfg.vtmode == VT_OEMONLY) {
517 f(FONT_OEM, OEM_CHARSET, fw_dontcare, FALSE);
518 f(FONT_OEMUND, OEM_CHARSET, fw_dontcare, TRUE);
519 }
520 if (bold_mode == BOLD_FONT) {
521 if (cfg.vtmode != VT_OEMONLY) {
14963b8f 522 f(FONT_BOLD, cfg.fontcharset, fw_bold, FALSE);
523 f(FONT_BOLDUND, cfg.fontcharset, fw_bold, TRUE);
374330e2 524 }
525 if (cfg.vtmode == VT_OEMANSI || cfg.vtmode == VT_OEMONLY) {
526 f(FONT_OEMBOLD, OEM_CHARSET, fw_bold, FALSE);
527 f(FONT_OEMBOLDUND, OEM_CHARSET, fw_bold, TRUE);
528 }
529 } else {
530 fonts[FONT_BOLD] = fonts[FONT_BOLDUND] = NULL;
531 fonts[FONT_OEMBOLD] = fonts[FONT_OEMBOLDUND] = NULL;
532 }
533#undef f
534
535 hdc = GetDC(hwnd);
536
537 if (cfg.vtmode == VT_OEMONLY)
538 j = 4;
539 else
540 j = 0;
541
542 for (i=0; i<(cfg.vtmode == VT_OEMANSI ? 5 : 4); i++) {
543 if (fonts[i+j]) {
544 SelectObject (hdc, fonts[i+j]);
545 GetTextMetrics(hdc, &tm);
546 if (i == 0 || i == 4) {
547 font_height = tm.tmHeight;
548 font_width = tm.tmAveCharWidth;
549 descent = tm.tmAscent + 1;
550 if (descent >= font_height)
551 descent = font_height - 1;
552 }
553 widths[i] = tm.tmAveCharWidth;
554 }
555 }
556
557 ReleaseDC (hwnd, hdc);
558
559 if (widths[FONT_UNDERLINE] != widths[FONT_NORMAL] ||
560 (bold_mode == BOLD_FONT &&
561 widths[FONT_BOLDUND] != widths[FONT_BOLD])) {
562 und_mode = UND_LINE;
563 DeleteObject (fonts[FONT_UNDERLINE]);
564 if (bold_mode == BOLD_FONT)
565 DeleteObject (fonts[FONT_BOLDUND]);
566 }
567
568 if (bold_mode == BOLD_FONT &&
569 widths[FONT_BOLD] != widths[FONT_NORMAL]) {
570 bold_mode = BOLD_SHADOW;
571 DeleteObject (fonts[FONT_BOLD]);
572 if (und_mode == UND_FONT)
573 DeleteObject (fonts[FONT_BOLDUND]);
574 }
575
576 if (cfg.vtmode == VT_OEMANSI && widths[FONT_OEM] != widths[FONT_NORMAL]) {
577 MessageBox(NULL, "The OEM and ANSI versions of this font are\n"
578 "different sizes. Using OEM-only mode instead",
579 "Font Size Mismatch", MB_ICONINFORMATION | MB_OK);
580 cfg.vtmode = VT_OEMONLY;
581 for (i=0; i<4; i++)
582 if (fonts[i])
583 DeleteObject (fonts[i]);
584 }
585}
586
587void request_resize (int w, int h) {
588 int width = extra_width + font_width * w;
589 int height = extra_height + font_height * h;
590
591 SetWindowPos (hwnd, NULL, 0, 0, width, height,
592 SWP_NOACTIVATE | SWP_NOCOPYBITS |
593 SWP_NOMOVE | SWP_NOZORDER);
594}
595
596static void click (Mouse_Button b, int x, int y) {
fdedf2c8 597 int thistime = GetMessageTime();
598
599 if (lastbtn == b && thistime - lasttime < dbltime) {
374330e2 600 lastact = (lastact == MA_CLICK ? MA_2CLK :
601 lastact == MA_2CLK ? MA_3CLK :
602 lastact == MA_3CLK ? MA_CLICK : MA_NOTHING);
603 } else {
604 lastbtn = b;
605 lastact = MA_CLICK;
606 }
607 if (lastact != MA_NOTHING)
608 term_mouse (b, lastact, x, y);
fdedf2c8 609 lasttime = thistime;
374330e2 610}
611
612static int WINAPI WndProc (HWND hwnd, UINT message,
613 WPARAM wParam, LPARAM lParam) {
614 HDC hdc;
615 static int ignore_size = FALSE;
616 static int ignore_clip = FALSE;
617 static int just_reconfigged = FALSE;
618
619 switch (message) {
620 case WM_CREATE:
621 break;
68130d34 622 case WM_CLOSE:
9ef49106 623 if (!cfg.warn_on_close ||
624 MessageBox(hwnd, "Are you sure you want to close this session?",
68130d34 625 "PuTTY Exit Confirmation",
626 MB_ICONWARNING | MB_OKCANCEL) == IDOK)
627 DestroyWindow(hwnd);
628 return 0;
374330e2 629 case WM_DESTROY:
630 PostQuitMessage (0);
631 return 0;
6833a413 632 case WM_SYSCOMMAND:
633 switch (wParam & ~0xF) { /* low 4 bits reserved to Windows */
374330e2 634 case IDM_SHOWLOG:
c5e9c988 635 showeventlog(hwnd);
374330e2 636 break;
637 case IDM_NEWSESS:
638 case IDM_DUPSESS:
6833a413 639 case IDM_SAVEDSESS:
374330e2 640 {
641 char b[2048];
642 char c[30], *cl;
e4e4cc7e 643 int freecl = FALSE;
374330e2 644 STARTUPINFO si;
645 PROCESS_INFORMATION pi;
646 HANDLE filemap = NULL;
647
648 if (wParam == IDM_DUPSESS) {
649 /*
650 * Allocate a file-mapping memory chunk for the
651 * config structure.
652 */
653 SECURITY_ATTRIBUTES sa;
654 Config *p;
655
656 sa.nLength = sizeof(sa);
657 sa.lpSecurityDescriptor = NULL;
658 sa.bInheritHandle = TRUE;
659 filemap = CreateFileMapping((HANDLE)0xFFFFFFFF,
660 &sa,
661 PAGE_READWRITE,
662 0,
663 sizeof(Config),
664 NULL);
665 if (filemap) {
666 p = (Config *)MapViewOfFile(filemap,
667 FILE_MAP_WRITE,
668 0, 0, sizeof(Config));
669 if (p) {
670 *p = cfg; /* structure copy */
671 UnmapViewOfFile(p);
672 }
673 }
674 sprintf(c, "putty &%08x", filemap);
675 cl = c;
0a4aa984 676 } else if (wParam == IDM_SAVEDSESS) {
e4e4cc7e 677 char *session = sessions[(lParam - IDM_SAVED_MIN) / 16];
678 cl = malloc(16 + strlen(session)); /* 8, but play safe */
679 if (!cl)
680 cl = NULL; /* not a very important failure mode */
681 sprintf(cl, "putty @%s", session);
682 freecl = TRUE;
374330e2 683 } else
6833a413 684 cl = NULL;
374330e2 685
686 GetModuleFileName (NULL, b, sizeof(b)-1);
687 si.cb = sizeof(si);
688 si.lpReserved = NULL;
689 si.lpDesktop = NULL;
690 si.lpTitle = NULL;
691 si.dwFlags = 0;
692 si.cbReserved2 = 0;
693 si.lpReserved2 = NULL;
694 CreateProcess (b, cl, NULL, NULL, TRUE,
695 NORMAL_PRIORITY_CLASS, NULL, NULL, &si, &pi);
696
697 if (filemap)
698 CloseHandle(filemap);
e4e4cc7e 699 if (freecl)
700 free(cl);
374330e2 701 }
702 break;
703 case IDM_RECONF:
704 if (!do_reconfig(hwnd))
705 break;
706 just_reconfigged = TRUE;
707 {
708 int i;
709 for (i=0; i<8; i++)
710 if (fonts[i])
711 DeleteObject(fonts[i]);
712 }
713 bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
714 und_mode = UND_FONT;
715 init_fonts();
716 sfree(logpal);
638787a8 717 ldisc = (cfg.ldisc_term ? &ldisc_term : &ldisc_simple);
374330e2 718 if (pal)
719 DeleteObject(pal);
720 logpal = NULL;
721 pal = NULL;
722 cfgtopalette();
723 init_palette();
724 term_size(cfg.height, cfg.width, cfg.savelines);
725 InvalidateRect(hwnd, NULL, TRUE);
726 SetWindowPos (hwnd, NULL, 0, 0,
727 extra_width + font_width * cfg.width,
728 extra_height + font_height * cfg.height,
729 SWP_NOACTIVATE | SWP_NOCOPYBITS |
730 SWP_NOMOVE | SWP_NOZORDER);
731 if (IsIconic(hwnd)) {
732 SetWindowText (hwnd,
733 cfg.win_name_always ? window_name : icon_name);
734 }
735 break;
736 case IDM_CLRSB:
737 term_clrsb();
738 break;
739 case IDM_RESET:
740 term_pwron();
741 break;
742 case IDM_TEL_AYT: back->special (TS_AYT); break;
743 case IDM_TEL_BRK: back->special (TS_BRK); break;
744 case IDM_TEL_SYNCH: back->special (TS_SYNCH); break;
745 case IDM_TEL_EC: back->special (TS_EC); break;
746 case IDM_TEL_EL: back->special (TS_EL); break;
747 case IDM_TEL_GA: back->special (TS_GA); break;
748 case IDM_TEL_NOP: back->special (TS_NOP); break;
749 case IDM_TEL_ABORT: back->special (TS_ABORT); break;
750 case IDM_TEL_AO: back->special (TS_AO); break;
751 case IDM_TEL_IP: back->special (TS_IP); break;
752 case IDM_TEL_SUSP: back->special (TS_SUSP); break;
753 case IDM_TEL_EOR: back->special (TS_EOR); break;
754 case IDM_TEL_EOF: back->special (TS_EOF); break;
755 case IDM_ABOUT:
756 showabout (hwnd);
757 break;
0a4aa984 758 default:
759 if (wParam >= IDM_SAVED_MIN && wParam <= IDM_SAVED_MAX) {
760 SendMessage(hwnd, WM_SYSCOMMAND, IDM_SAVEDSESS, wParam);
761 }
374330e2 762 }
763 break;
37508af4 764
765#define X_POS(l) ((int)(short)LOWORD(l))
766#define Y_POS(l) ((int)(short)HIWORD(l))
767
fdedf2c8 768#define TO_CHR_X(x) (((x)<0 ? (x)-font_width+1 : (x)) / font_width)
769#define TO_CHR_Y(y) (((y)<0 ? (y)-font_height+1: (y)) / font_height)
770
374330e2 771 case WM_LBUTTONDOWN:
fdedf2c8 772 click (MB_SELECT, TO_CHR_X(X_POS(lParam)),
773 TO_CHR_Y(Y_POS(lParam)));
fef97f43 774 SetCapture(hwnd);
374330e2 775 return 0;
776 case WM_LBUTTONUP:
fdedf2c8 777 term_mouse (MB_SELECT, MA_RELEASE, TO_CHR_X(X_POS(lParam)),
778 TO_CHR_Y(Y_POS(lParam)));
37508af4 779 ReleaseCapture();
374330e2 780 return 0;
781 case WM_MBUTTONDOWN:
37508af4 782 SetCapture(hwnd);
374330e2 783 click (cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND,
fdedf2c8 784 TO_CHR_X(X_POS(lParam)),
785 TO_CHR_Y(Y_POS(lParam)));
374330e2 786 return 0;
787 case WM_MBUTTONUP:
788 term_mouse (cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND,
fdedf2c8 789 MA_RELEASE, TO_CHR_X(X_POS(lParam)),
790 TO_CHR_Y(Y_POS(lParam)));
37508af4 791 ReleaseCapture();
a0b1cefc 792 return 0;
374330e2 793 case WM_RBUTTONDOWN:
37508af4 794 SetCapture(hwnd);
374330e2 795 click (cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE,
fdedf2c8 796 TO_CHR_X(X_POS(lParam)),
797 TO_CHR_Y(Y_POS(lParam)));
374330e2 798 return 0;
799 case WM_RBUTTONUP:
800 term_mouse (cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE,
fdedf2c8 801 MA_RELEASE, TO_CHR_X(X_POS(lParam)),
802 TO_CHR_Y(Y_POS(lParam)));
37508af4 803 ReleaseCapture();
374330e2 804 return 0;
805 case WM_MOUSEMOVE:
806 /*
807 * Add the mouse position and message time to the random
808 * number noise, if we're using ssh.
809 */
810 if (cfg.protocol == PROT_SSH)
811 noise_ultralight(lParam);
812
813 if (wParam & (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON)) {
814 Mouse_Button b;
815 if (wParam & MK_LBUTTON)
816 b = MB_SELECT;
817 else if (wParam & MK_MBUTTON)
818 b = cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND;
819 else
820 b = cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE;
fdedf2c8 821 term_mouse (b, MA_DRAG, TO_CHR_X(X_POS(lParam)),
822 TO_CHR_Y(Y_POS(lParam)));
374330e2 823 }
374330e2 824 return 0;
825 case WM_IGNORE_CLIP:
826 ignore_clip = wParam; /* don't panic on DESTROYCLIPBOARD */
827 break;
828 case WM_DESTROYCLIPBOARD:
829 if (!ignore_clip)
830 term_deselect();
831 ignore_clip = FALSE;
832 return 0;
833 case WM_PAINT:
834 {
835 PAINTSTRUCT p;
836 hdc = BeginPaint (hwnd, &p);
837 if (pal) {
838 SelectPalette (hdc, pal, TRUE);
839 RealizePalette (hdc);
840 }
841 term_paint (hdc, p.rcPaint.left, p.rcPaint.top,
842 p.rcPaint.right, p.rcPaint.bottom);
843 SelectObject (hdc, GetStockObject(SYSTEM_FONT));
844 SelectObject (hdc, GetStockObject(WHITE_PEN));
845 EndPaint (hwnd, &p);
846 }
847 return 0;
848 case WM_NETEVENT:
849 {
850 int i = back->msg (wParam, lParam);
851 if (i < 0) {
852 char buf[1024];
853 switch (WSABASEERR + (-i) % 10000) {
854 case WSAECONNRESET:
855 sprintf(buf, "Connection reset by peer");
856 break;
857 default:
858 sprintf(buf, "Unexpected network error %d", -i);
859 break;
860 }
861 MessageBox(hwnd, buf, "PuTTY Fatal Error",
862 MB_ICONERROR | MB_OK);
863 PostQuitMessage(1);
864 } else if (i == 0) {
865 if (cfg.close_on_exit)
866 PostQuitMessage(0);
867 else {
868 MessageBox(hwnd, "Connection closed by remote host",
869 "PuTTY", MB_OK | MB_ICONINFORMATION);
870 SetWindowText (hwnd, "PuTTY (inactive)");
871 }
872 }
873 }
874 return 0;
875 case WM_SETFOCUS:
876 has_focus = TRUE;
877 term_out();
878 term_update();
879 break;
880 case WM_KILLFOCUS:
881 has_focus = FALSE;
882 term_out();
883 term_update();
884 break;
885 case WM_IGNORE_SIZE:
886 ignore_size = TRUE; /* don't panic on next WM_SIZE msg */
887 break;
73251d5d 888 case WM_ENTERSIZEMOVE:
889 EnableSizeTip(1);
890 break;
891 case WM_EXITSIZEMOVE:
892 EnableSizeTip(0);
893 break;
374330e2 894 case WM_SIZING:
895 {
896 int width, height, w, h, ew, eh;
897 LPRECT r = (LPRECT)lParam;
898
899 width = r->right - r->left - extra_width;
900 height = r->bottom - r->top - extra_height;
901 w = (width + font_width/2) / font_width; if (w < 1) w = 1;
902 h = (height + font_height/2) / font_height; if (h < 1) h = 1;
73251d5d 903 UpdateSizeTip(hwnd, w, h);
374330e2 904 ew = width - w * font_width;
905 eh = height - h * font_height;
906 if (ew != 0) {
907 if (wParam == WMSZ_LEFT ||
908 wParam == WMSZ_BOTTOMLEFT ||
909 wParam == WMSZ_TOPLEFT)
910 r->left += ew;
911 else
912 r->right -= ew;
913 }
914 if (eh != 0) {
915 if (wParam == WMSZ_TOP ||
916 wParam == WMSZ_TOPRIGHT ||
917 wParam == WMSZ_TOPLEFT)
918 r->top += eh;
919 else
920 r->bottom -= eh;
921 }
922 if (ew || eh)
923 return 1;
924 else
925 return 0;
926 }
927 break;
928 case WM_SIZE:
929 if (wParam == SIZE_MINIMIZED) {
930 SetWindowText (hwnd,
931 cfg.win_name_always ? window_name : icon_name);
932 break;
933 }
934 if (wParam == SIZE_RESTORED || wParam == SIZE_MAXIMIZED)
935 SetWindowText (hwnd, window_name);
936 if (!ignore_size) {
1a6f78fe 937 int width, height, w, h;
938#if 0 /* we have fixed this using WM_SIZING now */
939 int ew, eh;
940#endif
374330e2 941
942 width = LOWORD(lParam);
943 height = HIWORD(lParam);
944 w = width / font_width; if (w < 1) w = 1;
945 h = height / font_height; if (h < 1) h = 1;
946#if 0 /* we have fixed this using WM_SIZING now */
947 ew = width - w * font_width;
948 eh = height - h * font_height;
949 if (ew != 0 || eh != 0) {
950 RECT r;
951 GetWindowRect (hwnd, &r);
952 SendMessage (hwnd, WM_IGNORE_SIZE, 0, 0);
953 SetWindowPos (hwnd, NULL, 0, 0,
954 r.right - r.left - ew, r.bottom - r.top - eh,
955 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
956 }
957#endif
958 if (w != cols || h != rows || just_reconfigged) {
959 term_invalidate();
960 term_size (h, w, cfg.savelines);
961 back->size();
962 just_reconfigged = FALSE;
963 }
964 }
965 ignore_size = FALSE;
966 return 0;
967 case WM_VSCROLL:
968 switch (LOWORD(wParam)) {
969 case SB_BOTTOM: term_scroll(-1, 0); break;
970 case SB_TOP: term_scroll(+1, 0); break;
971 case SB_LINEDOWN: term_scroll (0, +1); break;
972 case SB_LINEUP: term_scroll (0, -1); break;
973 case SB_PAGEDOWN: term_scroll (0, +rows/2); break;
974 case SB_PAGEUP: term_scroll (0, -rows/2); break;
975 case SB_THUMBPOSITION: case SB_THUMBTRACK:
976 term_scroll (1, HIWORD(wParam)); break;
977 }
978 break;
979 case WM_PALETTECHANGED:
980 if ((HWND) wParam != hwnd && pal != NULL) {
981 HDC hdc = get_ctx();
982 if (hdc) {
983 if (RealizePalette (hdc) > 0)
984 UpdateColors (hdc);
985 free_ctx (hdc);
986 }
987 }
988 break;
989 case WM_QUERYNEWPALETTE:
990 if (pal != NULL) {
991 HDC hdc = get_ctx();
992 if (hdc) {
993 if (RealizePalette (hdc) > 0)
994 UpdateColors (hdc);
995 free_ctx (hdc);
996 return TRUE;
997 }
998 }
999 return FALSE;
1000 case WM_KEYDOWN:
1001 case WM_SYSKEYDOWN:
1002 /*
1003 * Add the scan code and keypress timing to the random
1004 * number noise, if we're using ssh.
1005 */
1006 if (cfg.protocol == PROT_SSH)
1007 noise_ultralight(lParam);
1008
1009 /*
1010 * We don't do TranslateMessage since it disassociates the
1011 * resulting CHAR message from the KEYDOWN that sparked it,
1012 * which we occasionally don't want. Instead, we process
1013 * KEYDOWN, and call the Win32 translator functions so that
1014 * we get the translations under _our_ control.
1015 */
1016 {
1017 unsigned char buf[20];
1018 int len;
1019
1020 len = TranslateKey (wParam, lParam, buf);
c5e9c988 1021 if (len == -1)
1022 return DefWindowProc (hwnd, message, wParam, lParam);
5bc238bb 1023 ldisc->send (buf, len);
374330e2 1024 }
1025 return 0;
67c339f7 1026 case WM_KEYUP:
1027 case WM_SYSKEYUP:
1028 /*
1029 * We handle KEYUP ourselves in order to distinghish left
1030 * and right Alt or Control keys, which Windows won't do
1031 * right if left to itself. See also the special processing
1032 * at the top of TranslateKey.
1033 */
1034 {
1035 BYTE keystate[256];
1036 int ret = GetKeyboardState(keystate);
1037 if (ret && wParam == VK_MENU) {
1038 if (lParam & 0x1000000) keystate[VK_RMENU] = 0;
1039 else keystate[VK_LMENU] = 0;
1040 SetKeyboardState (keystate);
1041 }
1042 if (ret && wParam == VK_CONTROL) {
1043 if (lParam & 0x1000000) keystate[VK_RCONTROL] = 0;
1044 else keystate[VK_LCONTROL] = 0;
1045 SetKeyboardState (keystate);
1046 }
1047 }
1048 /*
1049 * We don't return here, in order to allow Windows to do
1050 * its own KEYUP processing as well.
1051 */
1052 break;
374330e2 1053 case WM_CHAR:
1054 case WM_SYSCHAR:
1055 /*
1056 * Nevertheless, we are prepared to deal with WM_CHAR
1057 * messages, should they crop up. So if someone wants to
1058 * post the things to us as part of a macro manoeuvre,
1059 * we're ready to cope.
1060 */
1061 {
14963b8f 1062 char c = xlat_kbd2tty((unsigned char)wParam);
5bc238bb 1063 ldisc->send (&c, 1);
374330e2 1064 }
1065 return 0;
1066 }
1067
1068 return DefWindowProc (hwnd, message, wParam, lParam);
1069}
1070
1071/*
1072 * Draw a line of text in the window, at given character
1073 * coordinates, in given attributes.
1074 *
1075 * We are allowed to fiddle with the contents of `text'.
1076 */
1077void do_text (Context ctx, int x, int y, char *text, int len,
1078 unsigned long attr) {
1079 COLORREF fg, bg, t;
1080 int nfg, nbg, nfont;
1081 HDC hdc = ctx;
1082
1083 x *= font_width;
1084 y *= font_height;
1085
1086 if (attr & ATTR_ACTCURS) {
1087 attr &= (bold_mode == BOLD_COLOURS ? 0x200 : 0x300);
1088 attr ^= ATTR_CUR_XOR;
1089 }
1090
1091 nfont = 0;
1092 if (cfg.vtmode == VT_OEMONLY)
1093 nfont |= FONT_OEM;
1094
1095 /*
1096 * Map high-half characters in order to approximate ISO using
1097 * OEM character set. Characters missing are 0xC3 (Atilde) and
1098 * 0xCC (Igrave).
1099 */
1100 if (nfont & FONT_OEM) {
1101 int i;
1102 for (i=0; i<len; i++)
1103 if (text[i] >= '\xA0' && text[i] <= '\xFF') {
1104 static const char oemhighhalf[] =
1105 "\x20\xAD\xBD\x9C\xCF\xBE\xDD\xF5" /* A0-A7 */
1106 "\xF9\xB8\xA6\xAE\xAA\xF0\xA9\xEE" /* A8-AF */
1107 "\xF8\xF1\xFD\xFC\xEF\xE6\xF4\xFA" /* B0-B7 */
1108 "\xF7\xFB\xA7\xAF\xAC\xAB\xF3\xA8" /* B8-BF */
1109 "\xB7\xB5\xB6\x41\x8E\x8F\x92\x80" /* C0-C7 */
1110 "\xD4\x90\xD2\xD3\x49\xD6\xD7\xD8" /* C8-CF */
1111 "\xD1\xA5\xE3\xE0\xE2\xE5\x99\x9E" /* D0-D7 */
1112 "\x9D\xEB\xE9\xEA\x9A\xED\xE8\xE1" /* D8-DF */
1113 "\x85\xA0\x83\xC6\x84\x86\x91\x87" /* E0-E7 */
1114 "\x8A\x82\x88\x89\x8D\xA1\x8C\x8B" /* E8-EF */
1115 "\xD0\xA4\x95\xA2\x93\xE4\x94\xF6" /* F0-F7 */
1116 "\x9B\x97\xA3\x96\x81\xEC\xE7\x98" /* F8-FF */
1117 ;
1118 text[i] = oemhighhalf[(unsigned char)text[i] - 0xA0];
1119 }
1120 }
1121
1122 if (attr & ATTR_GBCHR) {
1123 int i;
1124 /*
1125 * GB mapping: map # to pound, and everything else stays
1126 * normal.
1127 */
1128 for (i=0; i<len; i++)
1129 if (text[i] == '#')
1130 text[i] = cfg.vtmode == VT_OEMONLY ? '\x9C' : '\xA3';
1131 } else if (attr & ATTR_LINEDRW) {
1132 int i;
1133 static const char poorman[] =
1134 "*#****\xB0\xB1**+++++-----++++|****\xA3\xB7";
1135 static const char oemmap[] =
1136 "*\xB1****\xF8\xF1**\xD9\xBF\xDA\xC0\xC5"
1137 "\xC4\xC4\xC4\xC4\xC4\xC3\xB4\xC1\xC2\xB3****\x9C\xFA";
1138
1139 /*
1140 * Line drawing mapping: map ` thru ~ (0x60 thru 0x7E) to
1141 * VT100 line drawing chars; everything else stays normal.
1142 */
1143 switch (cfg.vtmode) {
1144 case VT_XWINDOWS:
1145 for (i=0; i<len; i++)
1146 if (text[i] >= '\x60' && text[i] <= '\x7E')
1147 text[i] += '\x01' - '\x60';
1148 break;
1149 case VT_OEMANSI:
1150 case VT_OEMONLY:
1151 nfont |= FONT_OEM;
1152 for (i=0; i<len; i++)
1153 if (text[i] >= '\x60' && text[i] <= '\x7E')
1154 text[i] = oemmap[(unsigned char)text[i] - 0x60];
1155 break;
1156 case VT_POORMAN:
1157 for (i=0; i<len; i++)
1158 if (text[i] >= '\x60' && text[i] <= '\x7E')
1159 text[i] = poorman[(unsigned char)text[i] - 0x60];
1160 break;
1161 }
1162 }
1163
1164 nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
1165 nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
1166 if (bold_mode == BOLD_FONT && (attr & ATTR_BOLD))
1167 nfont |= FONT_BOLD;
1168 if (und_mode == UND_FONT && (attr & ATTR_UNDER))
1169 nfont |= FONT_UNDERLINE;
1170 if (attr & ATTR_REVERSE) {
1171 t = nfg; nfg = nbg; nbg = t;
1172 }
1173 if (bold_mode == BOLD_COLOURS && (attr & ATTR_BOLD))
1174 nfg++;
1175 fg = colours[nfg];
1176 bg = colours[nbg];
1177 SelectObject (hdc, fonts[nfont]);
1178 SetTextColor (hdc, fg);
1179 SetBkColor (hdc, bg);
1180 SetBkMode (hdc, OPAQUE);
1181 TextOut (hdc, x, y, text, len);
1182 if (bold_mode == BOLD_SHADOW && (attr & ATTR_BOLD)) {
1183 SetBkMode (hdc, TRANSPARENT);
1184 TextOut (hdc, x-1, y, text, len);
1185 }
1186 if (und_mode == UND_LINE && (attr & ATTR_UNDER)) {
1a6f78fe 1187 HPEN oldpen;
1188 oldpen = SelectObject (hdc, CreatePen(PS_SOLID, 0, fg));
374330e2 1189 MoveToEx (hdc, x, y+descent, NULL);
1190 LineTo (hdc, x+len*font_width, y+descent);
1a6f78fe 1191 oldpen = SelectObject (hdc, oldpen);
1192 DeleteObject (oldpen);
374330e2 1193 }
1194 if (attr & ATTR_PASCURS) {
1195 POINT pts[5];
1a6f78fe 1196 HPEN oldpen;
374330e2 1197 pts[0].x = pts[1].x = pts[4].x = x;
1198 pts[2].x = pts[3].x = x+font_width-1;
1199 pts[0].y = pts[3].y = pts[4].y = y;
1200 pts[1].y = pts[2].y = y+font_height-1;
1a6f78fe 1201 oldpen = SelectObject (hdc, CreatePen(PS_SOLID, 0, colours[23]));
374330e2 1202 Polyline (hdc, pts, 5);
1a6f78fe 1203 oldpen = SelectObject (hdc, oldpen);
1204 DeleteObject (oldpen);
374330e2 1205 }
1206}
1207
1208/*
1209 * Translate a WM_(SYS)?KEYDOWN message into a string of ASCII
1210 * codes. Returns number of bytes used.
1211 */
1212static int TranslateKey(WPARAM wParam, LPARAM lParam, unsigned char *output) {
1213 unsigned char *p = output;
1214 BYTE keystate[256];
1215 int ret, code;
67c339f7 1216 int cancel_alt = FALSE;
374330e2 1217
1218 /*
1219 * Get hold of the keyboard state, because we'll need it a few
1220 * times shortly.
1221 */
1222 ret = GetKeyboardState(keystate);
1223
67c339f7 1224 /*
1225 * Windows does not always want to distinguish left and right
1226 * Alt or Control keys. Thus we keep track of them ourselves.
1227 * See also the WM_KEYUP handler.
1228 */
1229 if (wParam == VK_MENU) {
1230 if (lParam & 0x1000000) keystate[VK_RMENU] = 0x80;
1231 else keystate[VK_LMENU] = 0x80;
1232 SetKeyboardState (keystate);
1233 return 0;
1234 }
1235 if (wParam == VK_CONTROL) {
1236 if (lParam & 0x1000000) keystate[VK_RCONTROL] = 0x80;
1237 else keystate[VK_LCONTROL] = 0x80;
1238 SetKeyboardState (keystate);
1239 return 0;
1240 }
1241
1242 /*
1243 * Prepend ESC, and cancel ALT, if ALT was pressed at the time
1244 * and it wasn't AltGr.
1245 */
1246 if (lParam & 0x20000000 && (keystate[VK_LMENU] & 0x80)) {
1247 *p++ = 0x1B;
1248 cancel_alt = TRUE;
1249 }
1250
374330e2 1251 /*
25d39ef6 1252 * NetHack keypad mode. This may conflict with Shift-PgUp/PgDn,
1253 * so we do it first.
1254 */
1255 if (cfg.nethack_keypad) {
1256 int shift = keystate[VK_SHIFT] & 0x80;
1257 /*
1258 * NB the shifted versions only work with numlock off.
1259 */
1260 switch ( (lParam >> 16) & 0x1FF ) {
1261 case 0x047: *p++ = shift ? 'Y' : 'y'; return p - output;
1262 case 0x048: *p++ = shift ? 'K' : 'k'; return p - output;
1263 case 0x049: *p++ = shift ? 'U' : 'u'; return p - output;
1264 case 0x04B: *p++ = shift ? 'H' : 'h'; return p - output;
1265 case 0x04C: *p++ = '.'; return p - output;
1266 case 0x04D: *p++ = shift ? 'L' : 'l'; return p - output;
1267 case 0x04F: *p++ = shift ? 'B' : 'b'; return p - output;
1268 case 0x050: *p++ = shift ? 'J' : 'j'; return p - output;
1269 case 0x051: *p++ = shift ? 'N' : 'n'; return p - output;
1270 case 0x053: *p++ = '.'; return p - output;
1271 }
1272 }
1273
1274 /*
374330e2 1275 * Shift-PgUp, Shift-PgDn, and Alt-F4 all produce window
1276 * events: we'll deal with those now.
1277 */
1278 if (ret && (keystate[VK_SHIFT] & 0x80) && wParam == VK_PRIOR) {
1279 SendMessage (hwnd, WM_VSCROLL, SB_PAGEUP, 0);
1280 return 0;
1281 }
1282 if (ret && (keystate[VK_SHIFT] & 0x80) && wParam == VK_NEXT) {
1283 SendMessage (hwnd, WM_VSCROLL, SB_PAGEDOWN, 0);
1284 return 0;
1285 }
c5e9c988 1286 if ((lParam & 0x20000000) && wParam == VK_F4 && cfg.alt_f4) {
1287 return -1;
1288 }
1289 if ((lParam & 0x20000000) && wParam == VK_SPACE && cfg.alt_space) {
1290 SendMessage (hwnd, WM_SYSCOMMAND, SC_KEYMENU, 0);
1291 return -1;
374330e2 1292 }
1293
1294 /*
1295 * In general, the strategy is to see what the Windows keymap
1296 * translation has to say for itself, and then process function
1297 * keys and suchlike ourselves if that fails. But first we must
1298 * deal with the small number of special cases which the
1299 * Windows keymap translator thinks it can do but gets wrong.
1300 *
1301 * First special case: we might want the Backspace key to send
1302 * 0x7F not 0x08.
1303 */
1304 if (wParam == VK_BACK) {
1305 *p++ = (cfg.bksp_is_delete ? 0x7F : 0x08);
1306 return p - output;
1307 }
1308
1309 /*
1310 * Control-Space should send ^@ (0x00), not Space.
1311 */
1312 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == VK_SPACE) {
1313 *p++ = 0x00;
1314 return p - output;
1315 }
1316
25d39ef6 1317 if (app_keypad_keys) {
c5e9c988 1318 /*
1319 * If we're in applications keypad mode, we have to process it
1320 * before char-map translation, because it will pre-empt lots
1321 * of stuff, even if NumLock is off.
1322 */
374330e2 1323 if (ret) {
1324 /*
1325 * Hack to ensure NumLock doesn't interfere with
1326 * perception of Shift for Keypad Plus. I don't pretend
1327 * to understand this, but it seems to work as is.
1328 * Leave it alone, or die.
1329 */
1330 keystate[VK_NUMLOCK] = 0;
1331 SetKeyboardState (keystate);
1332 GetKeyboardState (keystate);
1333 }
1334 switch ( (lParam >> 16) & 0x1FF ) {
1335 case 0x145: p += sprintf((char *)p, "\x1BOP"); return p - output;
1336 case 0x135: p += sprintf((char *)p, "\x1BOQ"); return p - output;
1337 case 0x037: p += sprintf((char *)p, "\x1BOR"); return p - output;
1338 case 0x047: p += sprintf((char *)p, "\x1BOw"); return p - output;
1339 case 0x048: p += sprintf((char *)p, "\x1BOx"); return p - output;
1340 case 0x049: p += sprintf((char *)p, "\x1BOy"); return p - output;
1341 case 0x04A: p += sprintf((char *)p, "\x1BOS"); return p - output;
1342 case 0x04B: p += sprintf((char *)p, "\x1BOt"); return p - output;
1343 case 0x04C: p += sprintf((char *)p, "\x1BOu"); return p - output;
1344 case 0x04D: p += sprintf((char *)p, "\x1BOv"); return p - output;
1345 case 0x04E: /* keypad + is ^[Ol, but ^[Om with Shift */
1346 p += sprintf((char *)p,
1347 (ret && (keystate[VK_SHIFT] & 0x80)) ?
1348 "\x1BOm" : "\x1BOl");
1349 return p - output;
1350 case 0x04F: p += sprintf((char *)p, "\x1BOq"); return p - output;
1351 case 0x050: p += sprintf((char *)p, "\x1BOr"); return p - output;
1352 case 0x051: p += sprintf((char *)p, "\x1BOs"); return p - output;
1353 case 0x052: p += sprintf((char *)p, "\x1BOp"); return p - output;
1354 case 0x053: p += sprintf((char *)p, "\x1BOn"); return p - output;
1355 case 0x11C: p += sprintf((char *)p, "\x1BOM"); return p - output;
1356 }
1357 }
1358
1359 /*
67c339f7 1360 * Before doing Windows charmap translation, remove LeftALT
1361 * from the keymap, since its sole effect should be to prepend
1362 * ESC, which we've already done. Note that removal of LeftALT
1363 * has to happen _after_ the above call to SetKeyboardState, or
1364 * dire things will befall.
374330e2 1365 */
67c339f7 1366 if (cancel_alt) {
1367 keystate[VK_MENU] = keystate[VK_RMENU];
1368 keystate[VK_LMENU] = 0;
1369 }
374330e2 1370
1371 /*
1372 * Attempt the Windows char-map translation.
1373 */
1374 if (ret) {
1375 WORD chr;
14963b8f 1376 int r;
1377 BOOL capsOn=keystate[VK_CAPITAL] !=0;
1378
1379 /* helg: clear CAPS LOCK state if caps lock switches to cyrillic */
1380 if(cfg.xlat_capslockcyr)
1381 keystate[VK_CAPITAL] = 0;
1382
1383 r = ToAscii (wParam, (lParam >> 16) & 0xFF,
1384 keystate, &chr, 0);
1385
1386 if(capsOn)
1387 chr = xlat_latkbd2win((unsigned char)(chr & 0xFF));
374330e2 1388 if (r == 1) {
14963b8f 1389 *p++ = xlat_kbd2tty((unsigned char)(chr & 0xFF));
374330e2 1390 return p - output;
1391 }
1392 }
1393
1394 /*
1395 * OK, we haven't had a key code from the keymap translation.
1396 * We'll try our various special cases and function keys, and
1397 * then give up. (There's nothing wrong with giving up:
1398 * Scrollock, Pause/Break, and of course the various buckybit
1399 * keys all produce KEYDOWN events that we really _do_ want to
1400 * ignore.)
1401 */
1402
1403 /*
1404 * Control-2 should return ^@ (0x00), Control-6 should return
1405 * ^^ (0x1E), and Control-Minus should return ^_ (0x1F). Since
1406 * the DOS keyboard handling did it, and we have nothing better
1407 * to do with the key combo in question, we'll also map
1408 * Control-Backquote to ^\ (0x1C).
1409 */
1410 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '2') {
1411 *p++ = 0x00;
1412 return p - output;
1413 }
1414 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '6') {
1415 *p++ = 0x1E;
1416 return p - output;
1417 }
1418 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == 0xBD) {
1419 *p++ = 0x1F;
1420 return p - output;
1421 }
1422 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == 0xDF) {
1423 *p++ = 0x1C;
1424 return p - output;
1425 }
1426
1427 /*
1428 * First, all the keys that do tilde codes. (ESC '[' nn '~',
1429 * for integer decimal nn.)
1430 *
1431 * We also deal with the weird ones here. Linux VCs replace F1
1432 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
1433 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
1434 * respectively.
1435 */
1436 code = 0;
1437 switch (wParam) {
1438 case VK_F1: code = (keystate[VK_SHIFT] & 0x80 ? 23 : 11); break;
1439 case VK_F2: code = (keystate[VK_SHIFT] & 0x80 ? 24 : 12); break;
1440 case VK_F3: code = (keystate[VK_SHIFT] & 0x80 ? 25 : 13); break;
1441 case VK_F4: code = (keystate[VK_SHIFT] & 0x80 ? 26 : 14); break;
1442 case VK_F5: code = (keystate[VK_SHIFT] & 0x80 ? 28 : 15); break;
1443 case VK_F6: code = (keystate[VK_SHIFT] & 0x80 ? 29 : 17); break;
1444 case VK_F7: code = (keystate[VK_SHIFT] & 0x80 ? 31 : 18); break;
1445 case VK_F8: code = (keystate[VK_SHIFT] & 0x80 ? 32 : 19); break;
1446 case VK_F9: code = (keystate[VK_SHIFT] & 0x80 ? 33 : 20); break;
1447 case VK_F10: code = (keystate[VK_SHIFT] & 0x80 ? 34 : 21); break;
1448 case VK_F11: code = 23; break;
1449 case VK_F12: code = 24; break;
1450 case VK_HOME: code = 1; break;
1451 case VK_INSERT: code = 2; break;
1452 case VK_DELETE: code = 3; break;
1453 case VK_END: code = 4; break;
1454 case VK_PRIOR: code = 5; break;
1455 case VK_NEXT: code = 6; break;
1456 }
1457 if (cfg.linux_funkeys && code >= 11 && code <= 15) {
1458 p += sprintf((char *)p, "\x1B[[%c", code + 'A' - 11);
1459 return p - output;
1460 }
1461 if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
1462 p += sprintf((char *)p, code == 1 ? "\x1B[H" : "\x1BOw");
1463 return p - output;
1464 }
1465 if (code) {
1466 p += sprintf((char *)p, "\x1B[%d~", code);
1467 return p - output;
1468 }
1469
1470 /*
1471 * Now the remaining keys (arrows and Keypad 5. Keypad 5 for
1472 * some reason seems to send VK_CLEAR to Windows...).
1473 */
1474 switch (wParam) {
1475 case VK_UP:
1476 p += sprintf((char *)p, app_cursor_keys ? "\x1BOA" : "\x1B[A");
1477 return p - output;
1478 case VK_DOWN:
1479 p += sprintf((char *)p, app_cursor_keys ? "\x1BOB" : "\x1B[B");
1480 return p - output;
1481 case VK_RIGHT:
1482 p += sprintf((char *)p, app_cursor_keys ? "\x1BOC" : "\x1B[C");
1483 return p - output;
1484 case VK_LEFT:
1485 p += sprintf((char *)p, app_cursor_keys ? "\x1BOD" : "\x1B[D");
1486 return p - output;
1487 case VK_CLEAR: p += sprintf((char *)p, "\x1B[G"); return p - output;
1488 }
1489
1490 return 0;
1491}
1492
1493void set_title (char *title) {
1494 sfree (window_name);
1495 window_name = smalloc(1+strlen(title));
1496 strcpy (window_name, title);
37508af4 1497 if (cfg.win_name_always || !IsIconic(hwnd))
374330e2 1498 SetWindowText (hwnd, title);
1499}
1500
1501void set_icon (char *title) {
1502 sfree (icon_name);
1503 icon_name = smalloc(1+strlen(title));
1504 strcpy (icon_name, title);
37508af4 1505 if (!cfg.win_name_always && IsIconic(hwnd))
374330e2 1506 SetWindowText (hwnd, title);
1507}
1508
1509void set_sbar (int total, int start, int page) {
1510 SCROLLINFO si;
1511 si.cbSize = sizeof(si);
1512 si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS | SIF_DISABLENOSCROLL;
1513 si.nMin = 0;
1514 si.nMax = total - 1;
1515 si.nPage = page;
1516 si.nPos = start;
c1f5f956 1517 if (hwnd)
1518 SetScrollInfo (hwnd, SB_VERT, &si, TRUE);
374330e2 1519}
1520
f67b4e85 1521Context get_ctx(void) {
374330e2 1522 HDC hdc;
1523 if (hwnd) {
1524 hdc = GetDC (hwnd);
1525 if (hdc && pal)
1526 SelectPalette (hdc, pal, FALSE);
1527 return hdc;
1528 } else
1529 return NULL;
1530}
1531
1532void free_ctx (Context ctx) {
1533 SelectPalette (ctx, GetStockObject (DEFAULT_PALETTE), FALSE);
1534 ReleaseDC (hwnd, ctx);
1535}
1536
1537static void real_palette_set (int n, int r, int g, int b) {
1538 if (pal) {
1539 logpal->palPalEntry[n].peRed = r;
1540 logpal->palPalEntry[n].peGreen = g;
1541 logpal->palPalEntry[n].peBlue = b;
1542 logpal->palPalEntry[n].peFlags = PC_NOCOLLAPSE;
1543 colours[n] = PALETTERGB(r, g, b);
1544 SetPaletteEntries (pal, 0, NCOLOURS, logpal->palPalEntry);
1545 } else
1546 colours[n] = RGB(r, g, b);
1547}
1548
1549void palette_set (int n, int r, int g, int b) {
1550 static const int first[21] = {
1551 0, 2, 4, 6, 8, 10, 12, 14,
1552 1, 3, 5, 7, 9, 11, 13, 15,
1553 16, 17, 18, 20, 22
1554 };
1555 real_palette_set (first[n], r, g, b);
1556 if (first[n] >= 18)
1557 real_palette_set (first[n]+1, r, g, b);
1558 if (pal) {
1559 HDC hdc = get_ctx();
1560 UnrealizeObject (pal);
1561 RealizePalette (hdc);
1562 free_ctx (hdc);
1563 }
1564}
1565
1566void palette_reset (void) {
1567 int i;
1568
1569 for (i = 0; i < NCOLOURS; i++) {
1570 if (pal) {
1571 logpal->palPalEntry[i].peRed = defpal[i].rgbtRed;
1572 logpal->palPalEntry[i].peGreen = defpal[i].rgbtGreen;
1573 logpal->palPalEntry[i].peBlue = defpal[i].rgbtBlue;
1574 logpal->palPalEntry[i].peFlags = 0;
1575 colours[i] = PALETTERGB(defpal[i].rgbtRed,
1576 defpal[i].rgbtGreen,
1577 defpal[i].rgbtBlue);
1578 } else
1579 colours[i] = RGB(defpal[i].rgbtRed,
1580 defpal[i].rgbtGreen,
1581 defpal[i].rgbtBlue);
1582 }
1583
1584 if (pal) {
1585 HDC hdc;
1586 SetPaletteEntries (pal, 0, NCOLOURS, logpal->palPalEntry);
1587 hdc = get_ctx();
1588 RealizePalette (hdc);
1589 free_ctx (hdc);
1590 }
1591}
1592
1593void write_clip (void *data, int len) {
1594 HGLOBAL clipdata;
1595 void *lock;
1596
1597 clipdata = GlobalAlloc (GMEM_DDESHARE | GMEM_MOVEABLE, len + 1);
1598 if (!clipdata)
1599 return;
1600 lock = GlobalLock (clipdata);
1601 if (!lock)
1602 return;
1603 memcpy (lock, data, len);
1604 ((unsigned char *) lock) [len] = 0;
1605 GlobalUnlock (clipdata);
1606
1607 SendMessage (hwnd, WM_IGNORE_CLIP, TRUE, 0);
1608 if (OpenClipboard (hwnd)) {
1609 EmptyClipboard();
1610 SetClipboardData (CF_TEXT, clipdata);
1611 CloseClipboard();
1612 } else
1613 GlobalFree (clipdata);
1614 SendMessage (hwnd, WM_IGNORE_CLIP, FALSE, 0);
1615}
1616
1617void get_clip (void **p, int *len) {
1618 static HGLOBAL clipdata = NULL;
1619
1620 if (!p) {
1621 if (clipdata)
1622 GlobalUnlock (clipdata);
1623 clipdata = NULL;
1624 return;
1625 } else {
1626 if (OpenClipboard (NULL)) {
1627 clipdata = GetClipboardData (CF_TEXT);
1628 CloseClipboard();
1629 if (clipdata) {
1630 *p = GlobalLock (clipdata);
1631 if (*p) {
1632 *len = strlen(*p);
1633 return;
1634 }
1635 }
1636 }
1637 }
1638
1639 *p = NULL;
1640 *len = 0;
1641}
1642
1643/*
1644 * Move `lines' lines from position `from' to position `to' in the
1645 * window.
1646 */
1647void optimised_move (int to, int from, int lines) {
1648 RECT r;
f67b4e85 1649 int min, max;
374330e2 1650
1651 min = (to < from ? to : from);
1652 max = to + from - min;
374330e2 1653
1654 r.left = 0; r.right = cols * font_width;
1655 r.top = min * font_height; r.bottom = (max+lines) * font_height;
1656 ScrollWindow (hwnd, 0, (to - from) * font_height, &r, &r);
1657}
1658
1659/*
1660 * Print a message box and perform a fatal exit.
1661 */
1662void fatalbox(char *fmt, ...) {
1663 va_list ap;
1664 char stuff[200];
1665
1666 va_start(ap, fmt);
1667 vsprintf(stuff, fmt, ap);
1668 va_end(ap);
1669 MessageBox(hwnd, stuff, "PuTTY Fatal Error", MB_ICONERROR | MB_OK);
1670 exit(1);
1671}
1672
1673/*
1674 * Beep.
1675 */
1676void beep(void) {
1677 MessageBeep(MB_OK);
1678}
Simon Tatham's PuTTY GUI SSH client; import of svn://svn.tartarus.org/sgt/putty