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