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Can now build with /DWIN32S_COMPAT to work (minimally) with Win32s
[u/mdw/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"
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;
619 case WM_DESTROY:
620 PostQuitMessage (0);
621 return 0;
6833a413 622 case WM_SYSCOMMAND:
623 switch (wParam & ~0xF) { /* low 4 bits reserved to Windows */
374330e2 624 case IDM_SHOWLOG:
625 shownegot(hwnd);
626 break;
627 case IDM_NEWSESS:
628 case IDM_DUPSESS:
6833a413 629 case IDM_SAVEDSESS:
374330e2 630 {
631 char b[2048];
632 char c[30], *cl;
e4e4cc7e 633 int freecl = FALSE;
374330e2 634 STARTUPINFO si;
635 PROCESS_INFORMATION pi;
636 HANDLE filemap = NULL;
637
638 if (wParam == IDM_DUPSESS) {
639 /*
640 * Allocate a file-mapping memory chunk for the
641 * config structure.
642 */
643 SECURITY_ATTRIBUTES sa;
644 Config *p;
645
646 sa.nLength = sizeof(sa);
647 sa.lpSecurityDescriptor = NULL;
648 sa.bInheritHandle = TRUE;
649 filemap = CreateFileMapping((HANDLE)0xFFFFFFFF,
650 &sa,
651 PAGE_READWRITE,
652 0,
653 sizeof(Config),
654 NULL);
655 if (filemap) {
656 p = (Config *)MapViewOfFile(filemap,
657 FILE_MAP_WRITE,
658 0, 0, sizeof(Config));
659 if (p) {
660 *p = cfg; /* structure copy */
661 UnmapViewOfFile(p);
662 }
663 }
664 sprintf(c, "putty &%08x", filemap);
665 cl = c;
0a4aa984 666 } else if (wParam == IDM_SAVEDSESS) {
e4e4cc7e 667 char *session = sessions[(lParam - IDM_SAVED_MIN) / 16];
668 cl = malloc(16 + strlen(session)); /* 8, but play safe */
669 if (!cl)
670 cl = NULL; /* not a very important failure mode */
671 sprintf(cl, "putty @%s", session);
672 freecl = TRUE;
374330e2 673 } else
6833a413 674 cl = NULL;
374330e2 675
676 GetModuleFileName (NULL, b, sizeof(b)-1);
677 si.cb = sizeof(si);
678 si.lpReserved = NULL;
679 si.lpDesktop = NULL;
680 si.lpTitle = NULL;
681 si.dwFlags = 0;
682 si.cbReserved2 = 0;
683 si.lpReserved2 = NULL;
684 CreateProcess (b, cl, NULL, NULL, TRUE,
685 NORMAL_PRIORITY_CLASS, NULL, NULL, &si, &pi);
686
687 if (filemap)
688 CloseHandle(filemap);
e4e4cc7e 689 if (freecl)
690 free(cl);
374330e2 691 }
692 break;
693 case IDM_RECONF:
694 if (!do_reconfig(hwnd))
695 break;
696 just_reconfigged = TRUE;
697 {
698 int i;
699 for (i=0; i<8; i++)
700 if (fonts[i])
701 DeleteObject(fonts[i]);
702 }
703 bold_mode = cfg.bold_colour ? BOLD_COLOURS : BOLD_FONT;
704 und_mode = UND_FONT;
705 init_fonts();
706 sfree(logpal);
707 if (pal)
708 DeleteObject(pal);
709 logpal = NULL;
710 pal = NULL;
711 cfgtopalette();
712 init_palette();
713 term_size(cfg.height, cfg.width, cfg.savelines);
714 InvalidateRect(hwnd, NULL, TRUE);
715 SetWindowPos (hwnd, NULL, 0, 0,
716 extra_width + font_width * cfg.width,
717 extra_height + font_height * cfg.height,
718 SWP_NOACTIVATE | SWP_NOCOPYBITS |
719 SWP_NOMOVE | SWP_NOZORDER);
720 if (IsIconic(hwnd)) {
721 SetWindowText (hwnd,
722 cfg.win_name_always ? window_name : icon_name);
723 }
724 break;
725 case IDM_CLRSB:
726 term_clrsb();
727 break;
728 case IDM_RESET:
729 term_pwron();
730 break;
731 case IDM_TEL_AYT: back->special (TS_AYT); break;
732 case IDM_TEL_BRK: back->special (TS_BRK); break;
733 case IDM_TEL_SYNCH: back->special (TS_SYNCH); break;
734 case IDM_TEL_EC: back->special (TS_EC); break;
735 case IDM_TEL_EL: back->special (TS_EL); break;
736 case IDM_TEL_GA: back->special (TS_GA); break;
737 case IDM_TEL_NOP: back->special (TS_NOP); break;
738 case IDM_TEL_ABORT: back->special (TS_ABORT); break;
739 case IDM_TEL_AO: back->special (TS_AO); break;
740 case IDM_TEL_IP: back->special (TS_IP); break;
741 case IDM_TEL_SUSP: back->special (TS_SUSP); break;
742 case IDM_TEL_EOR: back->special (TS_EOR); break;
743 case IDM_TEL_EOF: back->special (TS_EOF); break;
744 case IDM_ABOUT:
745 showabout (hwnd);
746 break;
0a4aa984 747 default:
748 if (wParam >= IDM_SAVED_MIN && wParam <= IDM_SAVED_MAX) {
749 SendMessage(hwnd, WM_SYSCOMMAND, IDM_SAVEDSESS, wParam);
750 }
374330e2 751 }
752 break;
37508af4 753
754#define X_POS(l) ((int)(short)LOWORD(l))
755#define Y_POS(l) ((int)(short)HIWORD(l))
756
fdedf2c8 757#define TO_CHR_X(x) (((x)<0 ? (x)-font_width+1 : (x)) / font_width)
758#define TO_CHR_Y(y) (((y)<0 ? (y)-font_height+1: (y)) / font_height)
759
374330e2 760 case WM_LBUTTONDOWN:
fdedf2c8 761 click (MB_SELECT, TO_CHR_X(X_POS(lParam)),
762 TO_CHR_Y(Y_POS(lParam)));
fef97f43 763 SetCapture(hwnd);
374330e2 764 return 0;
765 case WM_LBUTTONUP:
fdedf2c8 766 term_mouse (MB_SELECT, MA_RELEASE, TO_CHR_X(X_POS(lParam)),
767 TO_CHR_Y(Y_POS(lParam)));
37508af4 768 ReleaseCapture();
374330e2 769 return 0;
770 case WM_MBUTTONDOWN:
37508af4 771 SetCapture(hwnd);
374330e2 772 click (cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND,
fdedf2c8 773 TO_CHR_X(X_POS(lParam)),
774 TO_CHR_Y(Y_POS(lParam)));
374330e2 775 return 0;
776 case WM_MBUTTONUP:
777 term_mouse (cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND,
fdedf2c8 778 MA_RELEASE, TO_CHR_X(X_POS(lParam)),
779 TO_CHR_Y(Y_POS(lParam)));
37508af4 780 ReleaseCapture();
a0b1cefc 781 return 0;
374330e2 782 case WM_RBUTTONDOWN:
37508af4 783 SetCapture(hwnd);
374330e2 784 click (cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE,
fdedf2c8 785 TO_CHR_X(X_POS(lParam)),
786 TO_CHR_Y(Y_POS(lParam)));
374330e2 787 return 0;
788 case WM_RBUTTONUP:
789 term_mouse (cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE,
fdedf2c8 790 MA_RELEASE, TO_CHR_X(X_POS(lParam)),
791 TO_CHR_Y(Y_POS(lParam)));
37508af4 792 ReleaseCapture();
374330e2 793 return 0;
794 case WM_MOUSEMOVE:
795 /*
796 * Add the mouse position and message time to the random
797 * number noise, if we're using ssh.
798 */
799 if (cfg.protocol == PROT_SSH)
800 noise_ultralight(lParam);
801
802 if (wParam & (MK_LBUTTON | MK_MBUTTON | MK_RBUTTON)) {
803 Mouse_Button b;
804 if (wParam & MK_LBUTTON)
805 b = MB_SELECT;
806 else if (wParam & MK_MBUTTON)
807 b = cfg.mouse_is_xterm ? MB_PASTE : MB_EXTEND;
808 else
809 b = cfg.mouse_is_xterm ? MB_EXTEND : MB_PASTE;
fdedf2c8 810 term_mouse (b, MA_DRAG, TO_CHR_X(X_POS(lParam)),
811 TO_CHR_Y(Y_POS(lParam)));
374330e2 812 }
374330e2 813 return 0;
814 case WM_IGNORE_CLIP:
815 ignore_clip = wParam; /* don't panic on DESTROYCLIPBOARD */
816 break;
817 case WM_DESTROYCLIPBOARD:
818 if (!ignore_clip)
819 term_deselect();
820 ignore_clip = FALSE;
821 return 0;
822 case WM_PAINT:
823 {
824 PAINTSTRUCT p;
825 hdc = BeginPaint (hwnd, &p);
826 if (pal) {
827 SelectPalette (hdc, pal, TRUE);
828 RealizePalette (hdc);
829 }
830 term_paint (hdc, p.rcPaint.left, p.rcPaint.top,
831 p.rcPaint.right, p.rcPaint.bottom);
832 SelectObject (hdc, GetStockObject(SYSTEM_FONT));
833 SelectObject (hdc, GetStockObject(WHITE_PEN));
834 EndPaint (hwnd, &p);
835 }
836 return 0;
837 case WM_NETEVENT:
838 {
839 int i = back->msg (wParam, lParam);
840 if (i < 0) {
841 char buf[1024];
842 switch (WSABASEERR + (-i) % 10000) {
843 case WSAECONNRESET:
844 sprintf(buf, "Connection reset by peer");
845 break;
846 default:
847 sprintf(buf, "Unexpected network error %d", -i);
848 break;
849 }
850 MessageBox(hwnd, buf, "PuTTY Fatal Error",
851 MB_ICONERROR | MB_OK);
852 PostQuitMessage(1);
853 } else if (i == 0) {
854 if (cfg.close_on_exit)
855 PostQuitMessage(0);
856 else {
857 MessageBox(hwnd, "Connection closed by remote host",
858 "PuTTY", MB_OK | MB_ICONINFORMATION);
859 SetWindowText (hwnd, "PuTTY (inactive)");
860 }
861 }
862 }
863 return 0;
864 case WM_SETFOCUS:
865 has_focus = TRUE;
866 term_out();
867 term_update();
868 break;
869 case WM_KILLFOCUS:
870 has_focus = FALSE;
871 term_out();
872 term_update();
873 break;
874 case WM_IGNORE_SIZE:
875 ignore_size = TRUE; /* don't panic on next WM_SIZE msg */
876 break;
73251d5d 877 case WM_ENTERSIZEMOVE:
878 EnableSizeTip(1);
879 break;
880 case WM_EXITSIZEMOVE:
881 EnableSizeTip(0);
882 break;
374330e2 883 case WM_SIZING:
884 {
885 int width, height, w, h, ew, eh;
886 LPRECT r = (LPRECT)lParam;
887
888 width = r->right - r->left - extra_width;
889 height = r->bottom - r->top - extra_height;
890 w = (width + font_width/2) / font_width; if (w < 1) w = 1;
891 h = (height + font_height/2) / font_height; if (h < 1) h = 1;
73251d5d 892 UpdateSizeTip(hwnd, w, h);
374330e2 893 ew = width - w * font_width;
894 eh = height - h * font_height;
895 if (ew != 0) {
896 if (wParam == WMSZ_LEFT ||
897 wParam == WMSZ_BOTTOMLEFT ||
898 wParam == WMSZ_TOPLEFT)
899 r->left += ew;
900 else
901 r->right -= ew;
902 }
903 if (eh != 0) {
904 if (wParam == WMSZ_TOP ||
905 wParam == WMSZ_TOPRIGHT ||
906 wParam == WMSZ_TOPLEFT)
907 r->top += eh;
908 else
909 r->bottom -= eh;
910 }
911 if (ew || eh)
912 return 1;
913 else
914 return 0;
915 }
916 break;
917 case WM_SIZE:
918 if (wParam == SIZE_MINIMIZED) {
919 SetWindowText (hwnd,
920 cfg.win_name_always ? window_name : icon_name);
921 break;
922 }
923 if (wParam == SIZE_RESTORED || wParam == SIZE_MAXIMIZED)
924 SetWindowText (hwnd, window_name);
925 if (!ignore_size) {
1a6f78fe 926 int width, height, w, h;
927#if 0 /* we have fixed this using WM_SIZING now */
928 int ew, eh;
929#endif
374330e2 930
931 width = LOWORD(lParam);
932 height = HIWORD(lParam);
933 w = width / font_width; if (w < 1) w = 1;
934 h = height / font_height; if (h < 1) h = 1;
935#if 0 /* we have fixed this using WM_SIZING now */
936 ew = width - w * font_width;
937 eh = height - h * font_height;
938 if (ew != 0 || eh != 0) {
939 RECT r;
940 GetWindowRect (hwnd, &r);
941 SendMessage (hwnd, WM_IGNORE_SIZE, 0, 0);
942 SetWindowPos (hwnd, NULL, 0, 0,
943 r.right - r.left - ew, r.bottom - r.top - eh,
944 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
945 }
946#endif
947 if (w != cols || h != rows || just_reconfigged) {
948 term_invalidate();
949 term_size (h, w, cfg.savelines);
950 back->size();
951 just_reconfigged = FALSE;
952 }
953 }
954 ignore_size = FALSE;
955 return 0;
956 case WM_VSCROLL:
957 switch (LOWORD(wParam)) {
958 case SB_BOTTOM: term_scroll(-1, 0); break;
959 case SB_TOP: term_scroll(+1, 0); break;
960 case SB_LINEDOWN: term_scroll (0, +1); break;
961 case SB_LINEUP: term_scroll (0, -1); break;
962 case SB_PAGEDOWN: term_scroll (0, +rows/2); break;
963 case SB_PAGEUP: term_scroll (0, -rows/2); break;
964 case SB_THUMBPOSITION: case SB_THUMBTRACK:
965 term_scroll (1, HIWORD(wParam)); break;
966 }
967 break;
968 case WM_PALETTECHANGED:
969 if ((HWND) wParam != hwnd && pal != NULL) {
970 HDC hdc = get_ctx();
971 if (hdc) {
972 if (RealizePalette (hdc) > 0)
973 UpdateColors (hdc);
974 free_ctx (hdc);
975 }
976 }
977 break;
978 case WM_QUERYNEWPALETTE:
979 if (pal != NULL) {
980 HDC hdc = get_ctx();
981 if (hdc) {
982 if (RealizePalette (hdc) > 0)
983 UpdateColors (hdc);
984 free_ctx (hdc);
985 return TRUE;
986 }
987 }
988 return FALSE;
989 case WM_KEYDOWN:
990 case WM_SYSKEYDOWN:
991 /*
992 * Add the scan code and keypress timing to the random
993 * number noise, if we're using ssh.
994 */
995 if (cfg.protocol == PROT_SSH)
996 noise_ultralight(lParam);
997
998 /*
999 * We don't do TranslateMessage since it disassociates the
1000 * resulting CHAR message from the KEYDOWN that sparked it,
1001 * which we occasionally don't want. Instead, we process
1002 * KEYDOWN, and call the Win32 translator functions so that
1003 * we get the translations under _our_ control.
1004 */
1005 {
1006 unsigned char buf[20];
1007 int len;
1008
1009 len = TranslateKey (wParam, lParam, buf);
1010 back->send (buf, len);
1011 }
1012 return 0;
67c339f7 1013 case WM_KEYUP:
1014 case WM_SYSKEYUP:
1015 /*
1016 * We handle KEYUP ourselves in order to distinghish left
1017 * and right Alt or Control keys, which Windows won't do
1018 * right if left to itself. See also the special processing
1019 * at the top of TranslateKey.
1020 */
1021 {
1022 BYTE keystate[256];
1023 int ret = GetKeyboardState(keystate);
1024 if (ret && wParam == VK_MENU) {
1025 if (lParam & 0x1000000) keystate[VK_RMENU] = 0;
1026 else keystate[VK_LMENU] = 0;
1027 SetKeyboardState (keystate);
1028 }
1029 if (ret && wParam == VK_CONTROL) {
1030 if (lParam & 0x1000000) keystate[VK_RCONTROL] = 0;
1031 else keystate[VK_LCONTROL] = 0;
1032 SetKeyboardState (keystate);
1033 }
1034 }
1035 /*
1036 * We don't return here, in order to allow Windows to do
1037 * its own KEYUP processing as well.
1038 */
1039 break;
374330e2 1040 case WM_CHAR:
1041 case WM_SYSCHAR:
1042 /*
1043 * Nevertheless, we are prepared to deal with WM_CHAR
1044 * messages, should they crop up. So if someone wants to
1045 * post the things to us as part of a macro manoeuvre,
1046 * we're ready to cope.
1047 */
1048 {
1049 char c = wParam;
1050 back->send (&c, 1);
1051 }
1052 return 0;
1053 }
1054
1055 return DefWindowProc (hwnd, message, wParam, lParam);
1056}
1057
1058/*
1059 * Draw a line of text in the window, at given character
1060 * coordinates, in given attributes.
1061 *
1062 * We are allowed to fiddle with the contents of `text'.
1063 */
1064void do_text (Context ctx, int x, int y, char *text, int len,
1065 unsigned long attr) {
1066 COLORREF fg, bg, t;
1067 int nfg, nbg, nfont;
1068 HDC hdc = ctx;
1069
1070 x *= font_width;
1071 y *= font_height;
1072
1073 if (attr & ATTR_ACTCURS) {
1074 attr &= (bold_mode == BOLD_COLOURS ? 0x200 : 0x300);
1075 attr ^= ATTR_CUR_XOR;
1076 }
1077
1078 nfont = 0;
1079 if (cfg.vtmode == VT_OEMONLY)
1080 nfont |= FONT_OEM;
1081
1082 /*
1083 * Map high-half characters in order to approximate ISO using
1084 * OEM character set. Characters missing are 0xC3 (Atilde) and
1085 * 0xCC (Igrave).
1086 */
1087 if (nfont & FONT_OEM) {
1088 int i;
1089 for (i=0; i<len; i++)
1090 if (text[i] >= '\xA0' && text[i] <= '\xFF') {
1091 static const char oemhighhalf[] =
1092 "\x20\xAD\xBD\x9C\xCF\xBE\xDD\xF5" /* A0-A7 */
1093 "\xF9\xB8\xA6\xAE\xAA\xF0\xA9\xEE" /* A8-AF */
1094 "\xF8\xF1\xFD\xFC\xEF\xE6\xF4\xFA" /* B0-B7 */
1095 "\xF7\xFB\xA7\xAF\xAC\xAB\xF3\xA8" /* B8-BF */
1096 "\xB7\xB5\xB6\x41\x8E\x8F\x92\x80" /* C0-C7 */
1097 "\xD4\x90\xD2\xD3\x49\xD6\xD7\xD8" /* C8-CF */
1098 "\xD1\xA5\xE3\xE0\xE2\xE5\x99\x9E" /* D0-D7 */
1099 "\x9D\xEB\xE9\xEA\x9A\xED\xE8\xE1" /* D8-DF */
1100 "\x85\xA0\x83\xC6\x84\x86\x91\x87" /* E0-E7 */
1101 "\x8A\x82\x88\x89\x8D\xA1\x8C\x8B" /* E8-EF */
1102 "\xD0\xA4\x95\xA2\x93\xE4\x94\xF6" /* F0-F7 */
1103 "\x9B\x97\xA3\x96\x81\xEC\xE7\x98" /* F8-FF */
1104 ;
1105 text[i] = oemhighhalf[(unsigned char)text[i] - 0xA0];
1106 }
1107 }
1108
1109 if (attr & ATTR_GBCHR) {
1110 int i;
1111 /*
1112 * GB mapping: map # to pound, and everything else stays
1113 * normal.
1114 */
1115 for (i=0; i<len; i++)
1116 if (text[i] == '#')
1117 text[i] = cfg.vtmode == VT_OEMONLY ? '\x9C' : '\xA3';
1118 } else if (attr & ATTR_LINEDRW) {
1119 int i;
1120 static const char poorman[] =
1121 "*#****\xB0\xB1**+++++-----++++|****\xA3\xB7";
1122 static const char oemmap[] =
1123 "*\xB1****\xF8\xF1**\xD9\xBF\xDA\xC0\xC5"
1124 "\xC4\xC4\xC4\xC4\xC4\xC3\xB4\xC1\xC2\xB3****\x9C\xFA";
1125
1126 /*
1127 * Line drawing mapping: map ` thru ~ (0x60 thru 0x7E) to
1128 * VT100 line drawing chars; everything else stays normal.
1129 */
1130 switch (cfg.vtmode) {
1131 case VT_XWINDOWS:
1132 for (i=0; i<len; i++)
1133 if (text[i] >= '\x60' && text[i] <= '\x7E')
1134 text[i] += '\x01' - '\x60';
1135 break;
1136 case VT_OEMANSI:
1137 case VT_OEMONLY:
1138 nfont |= FONT_OEM;
1139 for (i=0; i<len; i++)
1140 if (text[i] >= '\x60' && text[i] <= '\x7E')
1141 text[i] = oemmap[(unsigned char)text[i] - 0x60];
1142 break;
1143 case VT_POORMAN:
1144 for (i=0; i<len; i++)
1145 if (text[i] >= '\x60' && text[i] <= '\x7E')
1146 text[i] = poorman[(unsigned char)text[i] - 0x60];
1147 break;
1148 }
1149 }
1150
1151 nfg = 2 * ((attr & ATTR_FGMASK) >> ATTR_FGSHIFT);
1152 nbg = 2 * ((attr & ATTR_BGMASK) >> ATTR_BGSHIFT);
1153 if (bold_mode == BOLD_FONT && (attr & ATTR_BOLD))
1154 nfont |= FONT_BOLD;
1155 if (und_mode == UND_FONT && (attr & ATTR_UNDER))
1156 nfont |= FONT_UNDERLINE;
1157 if (attr & ATTR_REVERSE) {
1158 t = nfg; nfg = nbg; nbg = t;
1159 }
1160 if (bold_mode == BOLD_COLOURS && (attr & ATTR_BOLD))
1161 nfg++;
1162 fg = colours[nfg];
1163 bg = colours[nbg];
1164 SelectObject (hdc, fonts[nfont]);
1165 SetTextColor (hdc, fg);
1166 SetBkColor (hdc, bg);
1167 SetBkMode (hdc, OPAQUE);
1168 TextOut (hdc, x, y, text, len);
1169 if (bold_mode == BOLD_SHADOW && (attr & ATTR_BOLD)) {
1170 SetBkMode (hdc, TRANSPARENT);
1171 TextOut (hdc, x-1, y, text, len);
1172 }
1173 if (und_mode == UND_LINE && (attr & ATTR_UNDER)) {
1a6f78fe 1174 HPEN oldpen;
1175 oldpen = SelectObject (hdc, CreatePen(PS_SOLID, 0, fg));
374330e2 1176 MoveToEx (hdc, x, y+descent, NULL);
1177 LineTo (hdc, x+len*font_width, y+descent);
1a6f78fe 1178 oldpen = SelectObject (hdc, oldpen);
1179 DeleteObject (oldpen);
374330e2 1180 }
1181 if (attr & ATTR_PASCURS) {
1182 POINT pts[5];
1a6f78fe 1183 HPEN oldpen;
374330e2 1184 pts[0].x = pts[1].x = pts[4].x = x;
1185 pts[2].x = pts[3].x = x+font_width-1;
1186 pts[0].y = pts[3].y = pts[4].y = y;
1187 pts[1].y = pts[2].y = y+font_height-1;
1a6f78fe 1188 oldpen = SelectObject (hdc, CreatePen(PS_SOLID, 0, colours[23]));
374330e2 1189 Polyline (hdc, pts, 5);
1a6f78fe 1190 oldpen = SelectObject (hdc, oldpen);
1191 DeleteObject (oldpen);
374330e2 1192 }
1193}
1194
1195/*
1196 * Translate a WM_(SYS)?KEYDOWN message into a string of ASCII
1197 * codes. Returns number of bytes used.
1198 */
1199static int TranslateKey(WPARAM wParam, LPARAM lParam, unsigned char *output) {
1200 unsigned char *p = output;
1201 BYTE keystate[256];
1202 int ret, code;
67c339f7 1203 int cancel_alt = FALSE;
374330e2 1204
1205 /*
1206 * Get hold of the keyboard state, because we'll need it a few
1207 * times shortly.
1208 */
1209 ret = GetKeyboardState(keystate);
1210
67c339f7 1211 /*
1212 * Windows does not always want to distinguish left and right
1213 * Alt or Control keys. Thus we keep track of them ourselves.
1214 * See also the WM_KEYUP handler.
1215 */
1216 if (wParam == VK_MENU) {
1217 if (lParam & 0x1000000) keystate[VK_RMENU] = 0x80;
1218 else keystate[VK_LMENU] = 0x80;
1219 SetKeyboardState (keystate);
1220 return 0;
1221 }
1222 if (wParam == VK_CONTROL) {
1223 if (lParam & 0x1000000) keystate[VK_RCONTROL] = 0x80;
1224 else keystate[VK_LCONTROL] = 0x80;
1225 SetKeyboardState (keystate);
1226 return 0;
1227 }
1228
1229 /*
1230 * Prepend ESC, and cancel ALT, if ALT was pressed at the time
1231 * and it wasn't AltGr.
1232 */
1233 if (lParam & 0x20000000 && (keystate[VK_LMENU] & 0x80)) {
1234 *p++ = 0x1B;
1235 cancel_alt = TRUE;
1236 }
1237
374330e2 1238 /*
1239 * Shift-PgUp, Shift-PgDn, and Alt-F4 all produce window
1240 * events: we'll deal with those now.
1241 */
1242 if (ret && (keystate[VK_SHIFT] & 0x80) && wParam == VK_PRIOR) {
1243 SendMessage (hwnd, WM_VSCROLL, SB_PAGEUP, 0);
1244 return 0;
1245 }
1246 if (ret && (keystate[VK_SHIFT] & 0x80) && wParam == VK_NEXT) {
1247 SendMessage (hwnd, WM_VSCROLL, SB_PAGEDOWN, 0);
1248 return 0;
1249 }
1250 if ((lParam & 0x20000000) && wParam == VK_F4) {
1251 SendMessage (hwnd, WM_DESTROY, 0, 0);
1252 return 0;
1253 }
1254
1255 /*
1256 * In general, the strategy is to see what the Windows keymap
1257 * translation has to say for itself, and then process function
1258 * keys and suchlike ourselves if that fails. But first we must
1259 * deal with the small number of special cases which the
1260 * Windows keymap translator thinks it can do but gets wrong.
1261 *
1262 * First special case: we might want the Backspace key to send
1263 * 0x7F not 0x08.
1264 */
1265 if (wParam == VK_BACK) {
1266 *p++ = (cfg.bksp_is_delete ? 0x7F : 0x08);
1267 return p - output;
1268 }
1269
1270 /*
1271 * Control-Space should send ^@ (0x00), not Space.
1272 */
1273 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == VK_SPACE) {
1274 *p++ = 0x00;
1275 return p - output;
1276 }
1277
1278 /*
1279 * If we're in applications keypad mode, we have to process it
1280 * before char-map translation, because it will pre-empt lots
1281 * of stuff, even if NumLock is off.
1282 */
1283 if (app_keypad_keys) {
1284 if (ret) {
1285 /*
1286 * Hack to ensure NumLock doesn't interfere with
1287 * perception of Shift for Keypad Plus. I don't pretend
1288 * to understand this, but it seems to work as is.
1289 * Leave it alone, or die.
1290 */
1291 keystate[VK_NUMLOCK] = 0;
1292 SetKeyboardState (keystate);
1293 GetKeyboardState (keystate);
1294 }
1295 switch ( (lParam >> 16) & 0x1FF ) {
1296 case 0x145: p += sprintf((char *)p, "\x1BOP"); return p - output;
1297 case 0x135: p += sprintf((char *)p, "\x1BOQ"); return p - output;
1298 case 0x037: p += sprintf((char *)p, "\x1BOR"); return p - output;
1299 case 0x047: p += sprintf((char *)p, "\x1BOw"); return p - output;
1300 case 0x048: p += sprintf((char *)p, "\x1BOx"); return p - output;
1301 case 0x049: p += sprintf((char *)p, "\x1BOy"); return p - output;
1302 case 0x04A: p += sprintf((char *)p, "\x1BOS"); return p - output;
1303 case 0x04B: p += sprintf((char *)p, "\x1BOt"); return p - output;
1304 case 0x04C: p += sprintf((char *)p, "\x1BOu"); return p - output;
1305 case 0x04D: p += sprintf((char *)p, "\x1BOv"); return p - output;
1306 case 0x04E: /* keypad + is ^[Ol, but ^[Om with Shift */
1307 p += sprintf((char *)p,
1308 (ret && (keystate[VK_SHIFT] & 0x80)) ?
1309 "\x1BOm" : "\x1BOl");
1310 return p - output;
1311 case 0x04F: p += sprintf((char *)p, "\x1BOq"); return p - output;
1312 case 0x050: p += sprintf((char *)p, "\x1BOr"); return p - output;
1313 case 0x051: p += sprintf((char *)p, "\x1BOs"); return p - output;
1314 case 0x052: p += sprintf((char *)p, "\x1BOp"); return p - output;
1315 case 0x053: p += sprintf((char *)p, "\x1BOn"); return p - output;
1316 case 0x11C: p += sprintf((char *)p, "\x1BOM"); return p - output;
1317 }
1318 }
1319
1320 /*
67c339f7 1321 * Before doing Windows charmap translation, remove LeftALT
1322 * from the keymap, since its sole effect should be to prepend
1323 * ESC, which we've already done. Note that removal of LeftALT
1324 * has to happen _after_ the above call to SetKeyboardState, or
1325 * dire things will befall.
374330e2 1326 */
67c339f7 1327 if (cancel_alt) {
1328 keystate[VK_MENU] = keystate[VK_RMENU];
1329 keystate[VK_LMENU] = 0;
1330 }
374330e2 1331
1332 /*
1333 * Attempt the Windows char-map translation.
1334 */
1335 if (ret) {
1336 WORD chr;
1337 int r = ToAscii (wParam, (lParam >> 16) & 0xFF,
1338 keystate, &chr, 0);
1339 if (r == 1) {
1340 *p++ = chr & 0xFF;
1341 return p - output;
1342 }
1343 }
1344
1345 /*
1346 * OK, we haven't had a key code from the keymap translation.
1347 * We'll try our various special cases and function keys, and
1348 * then give up. (There's nothing wrong with giving up:
1349 * Scrollock, Pause/Break, and of course the various buckybit
1350 * keys all produce KEYDOWN events that we really _do_ want to
1351 * ignore.)
1352 */
1353
1354 /*
1355 * Control-2 should return ^@ (0x00), Control-6 should return
1356 * ^^ (0x1E), and Control-Minus should return ^_ (0x1F). Since
1357 * the DOS keyboard handling did it, and we have nothing better
1358 * to do with the key combo in question, we'll also map
1359 * Control-Backquote to ^\ (0x1C).
1360 */
1361 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '2') {
1362 *p++ = 0x00;
1363 return p - output;
1364 }
1365 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == '6') {
1366 *p++ = 0x1E;
1367 return p - output;
1368 }
1369 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == 0xBD) {
1370 *p++ = 0x1F;
1371 return p - output;
1372 }
1373 if (ret && (keystate[VK_CONTROL] & 0x80) && wParam == 0xDF) {
1374 *p++ = 0x1C;
1375 return p - output;
1376 }
1377
1378 /*
1379 * First, all the keys that do tilde codes. (ESC '[' nn '~',
1380 * for integer decimal nn.)
1381 *
1382 * We also deal with the weird ones here. Linux VCs replace F1
1383 * to F5 by ESC [ [ A to ESC [ [ E. rxvt doesn't do _that_, but
1384 * does replace Home and End (1~ and 4~) by ESC [ H and ESC O w
1385 * respectively.
1386 */
1387 code = 0;
1388 switch (wParam) {
1389 case VK_F1: code = (keystate[VK_SHIFT] & 0x80 ? 23 : 11); break;
1390 case VK_F2: code = (keystate[VK_SHIFT] & 0x80 ? 24 : 12); break;
1391 case VK_F3: code = (keystate[VK_SHIFT] & 0x80 ? 25 : 13); break;
1392 case VK_F4: code = (keystate[VK_SHIFT] & 0x80 ? 26 : 14); break;
1393 case VK_F5: code = (keystate[VK_SHIFT] & 0x80 ? 28 : 15); break;
1394 case VK_F6: code = (keystate[VK_SHIFT] & 0x80 ? 29 : 17); break;
1395 case VK_F7: code = (keystate[VK_SHIFT] & 0x80 ? 31 : 18); break;
1396 case VK_F8: code = (keystate[VK_SHIFT] & 0x80 ? 32 : 19); break;
1397 case VK_F9: code = (keystate[VK_SHIFT] & 0x80 ? 33 : 20); break;
1398 case VK_F10: code = (keystate[VK_SHIFT] & 0x80 ? 34 : 21); break;
1399 case VK_F11: code = 23; break;
1400 case VK_F12: code = 24; break;
1401 case VK_HOME: code = 1; break;
1402 case VK_INSERT: code = 2; break;
1403 case VK_DELETE: code = 3; break;
1404 case VK_END: code = 4; break;
1405 case VK_PRIOR: code = 5; break;
1406 case VK_NEXT: code = 6; break;
1407 }
1408 if (cfg.linux_funkeys && code >= 11 && code <= 15) {
1409 p += sprintf((char *)p, "\x1B[[%c", code + 'A' - 11);
1410 return p - output;
1411 }
1412 if (cfg.rxvt_homeend && (code == 1 || code == 4)) {
1413 p += sprintf((char *)p, code == 1 ? "\x1B[H" : "\x1BOw");
1414 return p - output;
1415 }
1416 if (code) {
1417 p += sprintf((char *)p, "\x1B[%d~", code);
1418 return p - output;
1419 }
1420
1421 /*
1422 * Now the remaining keys (arrows and Keypad 5. Keypad 5 for
1423 * some reason seems to send VK_CLEAR to Windows...).
1424 */
1425 switch (wParam) {
1426 case VK_UP:
1427 p += sprintf((char *)p, app_cursor_keys ? "\x1BOA" : "\x1B[A");
1428 return p - output;
1429 case VK_DOWN:
1430 p += sprintf((char *)p, app_cursor_keys ? "\x1BOB" : "\x1B[B");
1431 return p - output;
1432 case VK_RIGHT:
1433 p += sprintf((char *)p, app_cursor_keys ? "\x1BOC" : "\x1B[C");
1434 return p - output;
1435 case VK_LEFT:
1436 p += sprintf((char *)p, app_cursor_keys ? "\x1BOD" : "\x1B[D");
1437 return p - output;
1438 case VK_CLEAR: p += sprintf((char *)p, "\x1B[G"); return p - output;
1439 }
1440
1441 return 0;
1442}
1443
1444void set_title (char *title) {
1445 sfree (window_name);
1446 window_name = smalloc(1+strlen(title));
1447 strcpy (window_name, title);
37508af4 1448 if (cfg.win_name_always || !IsIconic(hwnd))
374330e2 1449 SetWindowText (hwnd, title);
1450}
1451
1452void set_icon (char *title) {
1453 sfree (icon_name);
1454 icon_name = smalloc(1+strlen(title));
1455 strcpy (icon_name, title);
37508af4 1456 if (!cfg.win_name_always && IsIconic(hwnd))
374330e2 1457 SetWindowText (hwnd, title);
1458}
1459
1460void set_sbar (int total, int start, int page) {
1461 SCROLLINFO si;
1462 si.cbSize = sizeof(si);
1463 si.fMask = SIF_RANGE | SIF_PAGE | SIF_POS | SIF_DISABLENOSCROLL;
1464 si.nMin = 0;
1465 si.nMax = total - 1;
1466 si.nPage = page;
1467 si.nPos = start;
c1f5f956 1468 if (hwnd)
1469 SetScrollInfo (hwnd, SB_VERT, &si, TRUE);
374330e2 1470}
1471
f67b4e85 1472Context get_ctx(void) {
374330e2 1473 HDC hdc;
1474 if (hwnd) {
1475 hdc = GetDC (hwnd);
1476 if (hdc && pal)
1477 SelectPalette (hdc, pal, FALSE);
1478 return hdc;
1479 } else
1480 return NULL;
1481}
1482
1483void free_ctx (Context ctx) {
1484 SelectPalette (ctx, GetStockObject (DEFAULT_PALETTE), FALSE);
1485 ReleaseDC (hwnd, ctx);
1486}
1487
1488static void real_palette_set (int n, int r, int g, int b) {
1489 if (pal) {
1490 logpal->palPalEntry[n].peRed = r;
1491 logpal->palPalEntry[n].peGreen = g;
1492 logpal->palPalEntry[n].peBlue = b;
1493 logpal->palPalEntry[n].peFlags = PC_NOCOLLAPSE;
1494 colours[n] = PALETTERGB(r, g, b);
1495 SetPaletteEntries (pal, 0, NCOLOURS, logpal->palPalEntry);
1496 } else
1497 colours[n] = RGB(r, g, b);
1498}
1499
1500void palette_set (int n, int r, int g, int b) {
1501 static const int first[21] = {
1502 0, 2, 4, 6, 8, 10, 12, 14,
1503 1, 3, 5, 7, 9, 11, 13, 15,
1504 16, 17, 18, 20, 22
1505 };
1506 real_palette_set (first[n], r, g, b);
1507 if (first[n] >= 18)
1508 real_palette_set (first[n]+1, r, g, b);
1509 if (pal) {
1510 HDC hdc = get_ctx();
1511 UnrealizeObject (pal);
1512 RealizePalette (hdc);
1513 free_ctx (hdc);
1514 }
1515}
1516
1517void palette_reset (void) {
1518 int i;
1519
1520 for (i = 0; i < NCOLOURS; i++) {
1521 if (pal) {
1522 logpal->palPalEntry[i].peRed = defpal[i].rgbtRed;
1523 logpal->palPalEntry[i].peGreen = defpal[i].rgbtGreen;
1524 logpal->palPalEntry[i].peBlue = defpal[i].rgbtBlue;
1525 logpal->palPalEntry[i].peFlags = 0;
1526 colours[i] = PALETTERGB(defpal[i].rgbtRed,
1527 defpal[i].rgbtGreen,
1528 defpal[i].rgbtBlue);
1529 } else
1530 colours[i] = RGB(defpal[i].rgbtRed,
1531 defpal[i].rgbtGreen,
1532 defpal[i].rgbtBlue);
1533 }
1534
1535 if (pal) {
1536 HDC hdc;
1537 SetPaletteEntries (pal, 0, NCOLOURS, logpal->palPalEntry);
1538 hdc = get_ctx();
1539 RealizePalette (hdc);
1540 free_ctx (hdc);
1541 }
1542}
1543
1544void write_clip (void *data, int len) {
1545 HGLOBAL clipdata;
1546 void *lock;
1547
1548 clipdata = GlobalAlloc (GMEM_DDESHARE | GMEM_MOVEABLE, len + 1);
1549 if (!clipdata)
1550 return;
1551 lock = GlobalLock (clipdata);
1552 if (!lock)
1553 return;
1554 memcpy (lock, data, len);
1555 ((unsigned char *) lock) [len] = 0;
1556 GlobalUnlock (clipdata);
1557
1558 SendMessage (hwnd, WM_IGNORE_CLIP, TRUE, 0);
1559 if (OpenClipboard (hwnd)) {
1560 EmptyClipboard();
1561 SetClipboardData (CF_TEXT, clipdata);
1562 CloseClipboard();
1563 } else
1564 GlobalFree (clipdata);
1565 SendMessage (hwnd, WM_IGNORE_CLIP, FALSE, 0);
1566}
1567
1568void get_clip (void **p, int *len) {
1569 static HGLOBAL clipdata = NULL;
1570
1571 if (!p) {
1572 if (clipdata)
1573 GlobalUnlock (clipdata);
1574 clipdata = NULL;
1575 return;
1576 } else {
1577 if (OpenClipboard (NULL)) {
1578 clipdata = GetClipboardData (CF_TEXT);
1579 CloseClipboard();
1580 if (clipdata) {
1581 *p = GlobalLock (clipdata);
1582 if (*p) {
1583 *len = strlen(*p);
1584 return;
1585 }
1586 }
1587 }
1588 }
1589
1590 *p = NULL;
1591 *len = 0;
1592}
1593
1594/*
1595 * Move `lines' lines from position `from' to position `to' in the
1596 * window.
1597 */
1598void optimised_move (int to, int from, int lines) {
1599 RECT r;
f67b4e85 1600 int min, max;
374330e2 1601
1602 min = (to < from ? to : from);
1603 max = to + from - min;
374330e2 1604
1605 r.left = 0; r.right = cols * font_width;
1606 r.top = min * font_height; r.bottom = (max+lines) * font_height;
1607 ScrollWindow (hwnd, 0, (to - from) * font_height, &r, &r);
1608}
1609
1610/*
1611 * Print a message box and perform a fatal exit.
1612 */
1613void fatalbox(char *fmt, ...) {
1614 va_list ap;
1615 char stuff[200];
1616
1617 va_start(ap, fmt);
1618 vsprintf(stuff, fmt, ap);
1619 va_end(ap);
1620 MessageBox(hwnd, stuff, "PuTTY Fatal Error", MB_ICONERROR | MB_OK);
1621 exit(1);
1622}
1623
1624/*
1625 * Beep.
1626 */
1627void beep(void) {
1628 MessageBeep(MB_OK);
1629}
Local modifications for Simon Tatham's `PuTTY' SSH client and terminal emulator