374330e2 |
1 | #include <windows.h> |
2 | |
3 | #include <stdio.h> |
4 | #include <stdlib.h> |
49bad831 |
5 | #include <ctype.h> |
374330e2 |
6 | |
e1c8e0ed |
7 | #include <time.h> |
c83de303 |
8 | #include <assert.h> |
374330e2 |
9 | #include "putty.h" |
4facdf84 |
10 | #include "tree234.h" |
374330e2 |
11 | |
c9def1b8 |
12 | #define CL_ANSIMIN 0x0001 /* Codes in all ANSI like terminals. */ |
e14a5a13 |
13 | #define CL_VT100 0x0002 /* VT100 */ |
14 | #define CL_VT100AVO 0x0004 /* VT100 +AVO; 132x24 (not 132x14) & attrs */ |
15 | #define CL_VT102 0x0008 /* VT102 */ |
16 | #define CL_VT220 0x0010 /* VT220 */ |
17 | #define CL_VT320 0x0020 /* VT320 */ |
18 | #define CL_VT420 0x0040 /* VT420 */ |
19 | #define CL_VT510 0x0080 /* VT510, NB VT510 includes ANSI */ |
20 | #define CL_VT340TEXT 0x0100 /* VT340 extensions that appear in the VT420 */ |
c9def1b8 |
21 | #define CL_SCOANSI 0x1000 /* SCOANSI not in ANSIMIN. */ |
22 | #define CL_ANSI 0x2000 /* ANSI ECMA-48 not in the VT100..VT420 */ |
23 | #define CL_OTHER 0x4000 /* Others, Xterm, linux, putty, dunno, etc */ |
e14a5a13 |
24 | |
c9def1b8 |
25 | #define TM_VT100 (CL_ANSIMIN|CL_VT100) |
26 | #define TM_VT100AVO (TM_VT100|CL_VT100AVO) |
27 | #define TM_VT102 (TM_VT100AVO|CL_VT102) |
28 | #define TM_VT220 (TM_VT102|CL_VT220) |
29 | #define TM_VTXXX (TM_VT220|CL_VT340TEXT|CL_VT510|CL_VT420|CL_VT320) |
30 | #define TM_SCOANSI (CL_ANSIMIN|CL_SCOANSI) |
31 | |
32 | #define TM_PUTTY (0xFFFF) |
e14a5a13 |
33 | |
34 | #define compatibility(x) \ |
35 | if ( ((CL_##x)&compatibility_level) == 0 ) { \ |
36 | termstate=TOPLEVEL; \ |
37 | break; \ |
38 | } |
c9def1b8 |
39 | #define compatibility2(x,y) \ |
40 | if ( ((CL_##x|CL_##y)&compatibility_level) == 0 ) { \ |
41 | termstate=TOPLEVEL; \ |
42 | break; \ |
43 | } |
e14a5a13 |
44 | |
45 | #define has_compat(x) ( ((CL_##x)&compatibility_level) != 0 ) |
46 | |
47 | static int compatibility_level = TM_PUTTY; |
48 | |
4facdf84 |
49 | static tree234 *scrollback; /* lines scrolled off top of screen */ |
50 | static tree234 *screen; /* lines on primary screen */ |
51 | static tree234 *alt_screen; /* lines on alternate screen */ |
c83de303 |
52 | static int disptop; /* distance scrolled back (0 or -ve) */ |
e14a5a13 |
53 | |
374330e2 |
54 | static unsigned long *cpos; /* cursor position (convenience) */ |
4facdf84 |
55 | |
374330e2 |
56 | static unsigned long *disptext; /* buffer of text on real screen */ |
57 | static unsigned long *wanttext; /* buffer of text we want on screen */ |
374330e2 |
58 | |
c83de303 |
59 | #define VBELL_TIMEOUT 100 /* millisecond len of visual bell */ |
156686ef |
60 | |
61 | struct beeptime { |
62 | struct beeptime *next; |
63 | long ticks; |
64 | }; |
65 | static struct beeptime *beephead, *beeptail; |
66 | int nbeeps; |
67 | int beep_overloaded; |
68 | long lastbeep; |
69 | |
374330e2 |
70 | static unsigned char *selspace; /* buffer for building selections in */ |
71 | |
4facdf84 |
72 | #define TSIZE (sizeof(unsigned long)) |
c83de303 |
73 | #define fix_cpos do { cpos = lineptr(curs.y) + curs.x; } while(0) |
374330e2 |
74 | |
75 | static unsigned long curr_attr, save_attr; |
e14a5a13 |
76 | static unsigned long erase_char = ERASE_CHAR; |
374330e2 |
77 | |
4facdf84 |
78 | typedef struct { |
79 | int y, x; |
80 | } pos; |
81 | #define poslt(p1,p2) ( (p1).y < (p2).y || ( (p1).y == (p2).y && (p1).x < (p2).x ) ) |
82 | #define posle(p1,p2) ( (p1).y < (p2).y || ( (p1).y == (p2).y && (p1).x <= (p2).x ) ) |
83 | #define poseq(p1,p2) ( (p1).y == (p2).y && (p1).x == (p2).x ) |
84 | #define posdiff(p1,p2) ( ((p2).y - (p1).y) * (cols+1) + (p2).x - (p1).x ) |
85 | #define incpos(p) ( (p).x == cols ? ((p).x = 0, (p).y++, 1) : ((p).x++, 0) ) |
86 | #define decpos(p) ( (p).x == 0 ? ((p).x = cols, (p).y--, 1) : ((p).x--, 0) ) |
87 | |
88 | static pos curs; /* cursor */ |
89 | static pos savecurs; /* saved cursor position */ |
374330e2 |
90 | static int marg_t, marg_b; /* scroll margins */ |
91 | static int dec_om; /* DEC origin mode flag */ |
92 | static int wrap, wrapnext; /* wrap flags */ |
93 | static int insert; /* insert-mode flag */ |
94 | static int cset; /* 0 or 1: which char set */ |
95 | static int save_cset, save_csattr; /* saved with cursor position */ |
96 | static int rvideo; /* global reverse video flag */ |
c83de303 |
97 | static int rvbell_timeout; /* for ESC[?5hESC[?5l vbell */ |
e14a5a13 |
98 | static int cursor_on; /* cursor enabled flag */ |
99 | static int reset_132; /* Flag ESC c resets to 80 cols */ |
100 | static int use_bce; /* Use Background coloured erase */ |
101 | static int blinker; /* When blinking is the cursor on ? */ |
c9def1b8 |
102 | static int tblinker; /* When the blinking text is on */ |
103 | static int blink_is_real; /* Actually blink blinking text */ |
0965bee0 |
104 | static int term_echoing; /* Does terminal want local echo? */ |
105 | static int term_editing; /* Does terminal want local edit? */ |
374330e2 |
106 | |
107 | static unsigned long cset_attr[2]; |
108 | |
109 | /* |
110 | * Saved settings on the alternate screen. |
111 | */ |
112 | static int alt_x, alt_y, alt_om, alt_wrap, alt_wnext, alt_ins, alt_cset; |
113 | static int alt_t, alt_b; |
114 | static int alt_which; |
115 | |
116 | #define ARGS_MAX 32 /* max # of esc sequence arguments */ |
064916ea |
117 | #define ARG_DEFAULT 0 /* if an arg isn't specified */ |
374330e2 |
118 | #define def(a,d) ( (a) == ARG_DEFAULT ? (d) : (a) ) |
119 | static int esc_args[ARGS_MAX]; |
120 | static int esc_nargs; |
121 | static int esc_query; |
8b811b12 |
122 | #define ANSI(x,y) ((x)+((y)<<8)) |
123 | #define ANSI_QUE(x) ANSI(x,TRUE) |
374330e2 |
124 | |
125 | #define OSC_STR_MAX 2048 |
126 | static int osc_strlen; |
127 | static char osc_string[OSC_STR_MAX+1]; |
128 | static int osc_w; |
129 | |
c9def1b8 |
130 | static char id_string[1024] = "\033[?6c"; |
131 | |
374330e2 |
132 | static unsigned char *tabs; |
133 | |
374330e2 |
134 | static enum { |
cabfd08c |
135 | TOPLEVEL, |
136 | SEEN_ESC, |
137 | SEEN_CSI, |
138 | SEEN_OSC, |
139 | SEEN_OSC_W, |
140 | |
141 | DO_CTRLS, |
142 | |
143 | IGNORE_NEXT, |
144 | SET_GL, SET_GR, |
145 | SEEN_OSC_P, |
146 | OSC_STRING, OSC_MAYBE_ST, |
e14a5a13 |
147 | SEEN_ESCHASH, |
148 | VT52_ESC, |
149 | VT52_Y1, |
150 | VT52_Y2 |
374330e2 |
151 | } termstate; |
152 | |
153 | static enum { |
154 | NO_SELECTION, ABOUT_TO, DRAGGING, SELECTED |
155 | } selstate; |
156 | static enum { |
157 | SM_CHAR, SM_WORD, SM_LINE |
158 | } selmode; |
4facdf84 |
159 | static pos selstart, selend, selanchor; |
374330e2 |
160 | |
161 | static short wordness[256] = { |
162 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 01 */ |
163 | 0,1,2,1,1,1,1,1,1,1,1,1,1,2,2,2, 2,2,2,2,2,2,2,2,2,2,1,1,1,1,1,1, /* 23 */ |
164 | 1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,2,2,2,1,1,1,1,2, /* 45 */ |
165 | 1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,2,2,2,1,1,1,1,1, /* 67 */ |
166 | 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 89 */ |
167 | 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* AB */ |
168 | 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,1,2,2,2,2,2,2,2,2, /* CD */ |
169 | 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,1,2,2,2,2,2,2,2,2, /* EF */ |
170 | }; |
171 | |
172 | static unsigned char sel_nl[] = SEL_NL; |
c9def1b8 |
173 | static char * paste_buffer = 0; |
174 | static int paste_len, paste_pos, paste_hold; |
374330e2 |
175 | |
176 | /* |
177 | * Internal prototypes. |
178 | */ |
179 | static void do_paint (Context, int); |
180 | static void erase_lots (int, int, int); |
181 | static void swap_screen (int); |
182 | static void update_sbar (void); |
183 | static void deselect (void); |
e1c8e0ed |
184 | /* log session to file stuff ... */ |
185 | static FILE *lgfp = NULL; |
186 | static void logtraffic(unsigned char c, int logmode); |
374330e2 |
187 | |
188 | /* |
c83de303 |
189 | * Retrieve a line of the screen or of the scrollback, according to |
190 | * whether the y coordinate is non-negative or negative |
191 | * (respectively). |
192 | */ |
193 | unsigned long *lineptr(int y, int lineno) { |
194 | unsigned long *line, lineattrs; |
195 | tree234 *whichtree; |
196 | int i, treeindex, oldlen; |
197 | |
198 | if (y >= 0) { |
199 | whichtree = screen; |
200 | treeindex = y; |
201 | } else { |
202 | whichtree = scrollback; |
203 | treeindex = y + count234(scrollback); |
204 | } |
205 | line = index234(whichtree, treeindex); |
206 | |
207 | /* We assume that we don't screw up and retrieve something out of range. */ |
c83de303 |
208 | assert(line != NULL); |
c83de303 |
209 | |
210 | if (line[0] != cols) { |
211 | /* |
212 | * This line is the wrong length, which probably means it |
213 | * hasn't been accessed since a resize. Resize it now. |
214 | */ |
215 | oldlen = line[0]; |
216 | lineattrs = line[oldlen+1]; |
217 | delpos234(whichtree, treeindex); |
218 | line = srealloc(line, TSIZE * (2+cols)); |
219 | line[0] = cols; |
220 | for (i = oldlen; i < cols; i++) |
221 | line[i+1] = ERASE_CHAR; |
222 | line[cols+1] = lineattrs & LATTR_MODE; |
223 | addpos234(whichtree, line, treeindex); |
224 | } |
225 | |
226 | return line+1; |
227 | } |
228 | #define lineptr(x) lineptr(x,__LINE__) |
229 | /* |
374330e2 |
230 | * Set up power-on settings for the terminal. |
231 | */ |
232 | static void power_on(void) { |
4facdf84 |
233 | curs.x = curs.y = alt_x = alt_y = savecurs.x = savecurs.y = 0; |
374330e2 |
234 | alt_t = marg_t = 0; |
235 | if (rows != -1) |
236 | alt_b = marg_b = rows - 1; |
237 | else |
238 | alt_b = marg_b = 0; |
239 | if (cols != -1) { |
240 | int i; |
241 | for (i = 0; i < cols; i++) |
242 | tabs[i] = (i % 8 == 0 ? TRUE : FALSE); |
243 | } |
244 | alt_om = dec_om = cfg.dec_om; |
245 | alt_wnext = wrapnext = alt_ins = insert = FALSE; |
246 | alt_wrap = wrap = cfg.wrap_mode; |
247 | alt_cset = cset = 0; |
248 | cset_attr[0] = cset_attr[1] = ATTR_ASCII; |
249 | rvideo = 0; |
156686ef |
250 | in_vbell = FALSE; |
e14a5a13 |
251 | cursor_on = 1; |
374330e2 |
252 | save_attr = curr_attr = ATTR_DEFAULT; |
0965bee0 |
253 | term_editing = term_echoing = FALSE; |
254 | ldisc_send(NULL, 0); /* cause ldisc to notice changes */ |
374330e2 |
255 | app_cursor_keys = cfg.app_cursor; |
256 | app_keypad_keys = cfg.app_keypad; |
c9def1b8 |
257 | use_bce = cfg.bce; |
258 | blink_is_real = cfg.blinktext; |
e14a5a13 |
259 | erase_char = ERASE_CHAR; |
374330e2 |
260 | alt_which = 0; |
261 | { |
262 | int i; |
263 | for (i = 0; i < 256; i++) |
264 | wordness[i] = cfg.wordness[i]; |
265 | } |
4facdf84 |
266 | if (screen) { |
374330e2 |
267 | swap_screen (1); |
268 | erase_lots (FALSE, TRUE, TRUE); |
269 | swap_screen (0); |
270 | erase_lots (FALSE, TRUE, TRUE); |
271 | } |
272 | } |
273 | |
274 | /* |
275 | * Force a screen update. |
276 | */ |
277 | void term_update(void) { |
278 | Context ctx; |
279 | ctx = get_ctx(); |
280 | if (ctx) { |
c9def1b8 |
281 | if ( (seen_key_event && (cfg.scroll_on_key)) || |
a094ae43 |
282 | (seen_disp_event && (cfg.scroll_on_disp)) ) { |
4facdf84 |
283 | disptop = 0; /* return to main screen */ |
cabfd08c |
284 | seen_disp_event = seen_key_event = 0; |
8ac3e544 |
285 | update_sbar(); |
cabfd08c |
286 | } |
374330e2 |
287 | do_paint (ctx, TRUE); |
4facdf84 |
288 | sys_cursor(curs.x, curs.y - disptop); |
374330e2 |
289 | free_ctx (ctx); |
374330e2 |
290 | } |
291 | } |
292 | |
293 | /* |
294 | * Same as power_on(), but an external function. |
295 | */ |
296 | void term_pwron(void) { |
297 | power_on(); |
298 | fix_cpos; |
4facdf84 |
299 | disptop = 0; |
374330e2 |
300 | deselect(); |
301 | term_update(); |
302 | } |
303 | |
304 | /* |
305 | * Clear the scrollback. |
306 | */ |
307 | void term_clrsb(void) { |
4facdf84 |
308 | unsigned long *line; |
309 | disptop = 0; |
310 | while ((line = delpos234(scrollback, 0)) != NULL) { |
311 | sfree(line); |
312 | } |
374330e2 |
313 | update_sbar(); |
314 | } |
315 | |
316 | /* |
317 | * Initialise the terminal. |
318 | */ |
319 | void term_init(void) { |
4facdf84 |
320 | screen = alt_screen = scrollback = NULL; |
321 | disptop = 0; |
374330e2 |
322 | disptext = wanttext = NULL; |
323 | tabs = NULL; |
324 | selspace = NULL; |
325 | deselect(); |
326 | rows = cols = -1; |
374330e2 |
327 | power_on(); |
156686ef |
328 | beephead = beeptail = NULL; |
329 | nbeeps = 0; |
330 | lastbeep = FALSE; |
331 | beep_overloaded = FALSE; |
374330e2 |
332 | } |
333 | |
334 | /* |
335 | * Set up the terminal for a given size. |
336 | */ |
337 | void term_size(int newrows, int newcols, int newsavelines) { |
4facdf84 |
338 | tree234 *newsb, *newscreen, *newalt; |
339 | unsigned long *newdisp, *newwant, *oldline, *line; |
260f3dec |
340 | int i, j, ccols; |
c83de303 |
341 | int sblen; |
d6832394 |
342 | int save_alt_which = alt_which; |
343 | |
374330e2 |
344 | if (newrows == rows && newcols == cols && newsavelines == savelines) |
345 | return; /* nothing to do */ |
346 | |
d6832394 |
347 | deselect(); |
348 | swap_screen(0); |
349 | |
374330e2 |
350 | alt_t = marg_t = 0; |
351 | alt_b = marg_b = newrows - 1; |
352 | |
c83de303 |
353 | if (rows == -1) { |
354 | scrollback = newtree234(NULL); |
355 | screen = newtree234(NULL); |
356 | rows = 0; |
357 | } |
358 | |
359 | /* |
360 | * Resize the screen and scrollback. We only need to shift |
361 | * lines around within our data structures, because lineptr() |
362 | * will take care of resizing each individual line if |
363 | * necessary. So: |
364 | * |
365 | * - If the new screen and the old screen differ in length, we |
366 | * must shunt some lines in from the scrollback or out to |
367 | * the scrollback. |
368 | * |
369 | * - If doing that fails to provide us with enough material to |
370 | * fill the new screen (i.e. the number of rows needed in |
371 | * the new screen exceeds the total number in the previous |
372 | * screen+scrollback), we must invent some blank lines to |
373 | * cover the gap. |
374 | * |
375 | * - Then, if the new scrollback length is less than the |
376 | * amount of scrollback we actually have, we must throw some |
377 | * away. |
378 | */ |
379 | sblen = count234(scrollback); |
cdd6c586 |
380 | /* Do this loop to expand the screen if newrows > rows */ |
381 | for (i = rows; i < newrows; i++) { |
382 | if (sblen > 0) { |
383 | line = delpos234(scrollback, --sblen); |
384 | } else { |
385 | line = smalloc(TSIZE * (newcols+2)); |
386 | line[0] = newcols; |
387 | for (j = 0; j <= newcols; j++) |
388 | line[j+1] = ERASE_CHAR; |
389 | } |
390 | addpos234(screen, line, 0); |
391 | } |
392 | /* Do this loop to shrink the screen if newrows < rows */ |
393 | for (i = newrows; i < rows; i++) { |
394 | line = delpos234(screen, 0); |
395 | addpos234(scrollback, line, sblen++); |
c83de303 |
396 | } |
397 | assert(count234(screen) == newrows); |
398 | while (sblen > newsavelines) { |
399 | line = delpos234(scrollback, 0); |
400 | sfree(line); |
401 | sblen--; |
c9def1b8 |
402 | } |
c83de303 |
403 | assert(count234(scrollback) <= newsavelines); |
4facdf84 |
404 | disptop = 0; |
374330e2 |
405 | |
406 | newdisp = smalloc (newrows*(newcols+1)*TSIZE); |
407 | for (i=0; i<newrows*(newcols+1); i++) |
408 | newdisp[i] = ATTR_INVALID; |
409 | sfree (disptext); |
410 | disptext = newdisp; |
411 | |
412 | newwant = smalloc (newrows*(newcols+1)*TSIZE); |
413 | for (i=0; i<newrows*(newcols+1); i++) |
414 | newwant[i] = ATTR_INVALID; |
415 | sfree (wanttext); |
416 | wanttext = newwant; |
417 | |
4facdf84 |
418 | newalt = newtree234(NULL); |
419 | for (i=0; i<newrows; i++) { |
c83de303 |
420 | line = smalloc(TSIZE * (newcols+2)); |
421 | line[0] = newcols; |
4facdf84 |
422 | for (j = 0; j <= newcols; j++) |
c83de303 |
423 | line[j+1] = erase_char; |
4facdf84 |
424 | addpos234(newalt, line, i); |
425 | } |
426 | if (alt_screen) { |
427 | while (NULL != (line = delpos234(alt_screen, 0))) |
428 | sfree(line); |
429 | freetree234(alt_screen); |
430 | } |
431 | alt_screen = newalt; |
374330e2 |
432 | |
433 | sfree (selspace); |
434 | selspace = smalloc ( (newrows+newsavelines) * (newcols+sizeof(sel_nl)) ); |
435 | |
436 | tabs = srealloc (tabs, newcols*sizeof(*tabs)); |
437 | { |
438 | int i; |
439 | for (i = (cols > 0 ? cols : 0); i < newcols; i++) |
440 | tabs[i] = (i % 8 == 0 ? TRUE : FALSE); |
441 | } |
442 | |
443 | if (rows > 0) |
4facdf84 |
444 | curs.y += newrows - rows; |
445 | if (curs.y < 0) |
446 | curs.y = 0; |
447 | if (curs.y >= newrows) |
448 | curs.y = newrows-1; |
449 | if (curs.x >= newcols) |
450 | curs.x = newcols-1; |
374330e2 |
451 | alt_x = alt_y = 0; |
452 | wrapnext = alt_wnext = FALSE; |
453 | |
454 | rows = newrows; |
455 | cols = newcols; |
456 | savelines = newsavelines; |
457 | fix_cpos; |
458 | |
d6832394 |
459 | swap_screen(save_alt_which); |
460 | |
374330e2 |
461 | update_sbar(); |
462 | term_update(); |
463 | } |
464 | |
465 | /* |
466 | * Swap screens. |
467 | */ |
468 | static void swap_screen (int which) { |
469 | int t; |
4facdf84 |
470 | tree234 *ttr; |
374330e2 |
471 | |
472 | if (which == alt_which) |
473 | return; |
474 | |
475 | alt_which = which; |
476 | |
4facdf84 |
477 | ttr = alt_screen; alt_screen = screen; screen = ttr; |
478 | t = curs.x; curs.x = alt_x; alt_x = t; |
479 | t = curs.y; curs.y = alt_y; alt_y = t; |
374330e2 |
480 | t = marg_t; marg_t = alt_t; alt_t = t; |
481 | t = marg_b; marg_b = alt_b; alt_b = t; |
482 | t = dec_om; dec_om = alt_om; alt_om = t; |
483 | t = wrap; wrap = alt_wrap; alt_wrap = t; |
484 | t = wrapnext; wrapnext = alt_wnext; alt_wnext = t; |
485 | t = insert; insert = alt_ins; alt_ins = t; |
486 | t = cset; cset = alt_cset; alt_cset = t; |
487 | |
488 | fix_cpos; |
489 | } |
490 | |
491 | /* |
374330e2 |
492 | * Update the scroll bar. |
493 | */ |
494 | static void update_sbar(void) { |
260f3dec |
495 | int nscroll; |
374330e2 |
496 | |
4facdf84 |
497 | nscroll = count234(scrollback); |
498 | |
499 | set_sbar (nscroll + rows, nscroll + disptop, rows); |
374330e2 |
500 | } |
501 | |
502 | /* |
503 | * Check whether the region bounded by the two pointers intersects |
504 | * the scroll region, and de-select the on-screen selection if so. |
505 | */ |
4facdf84 |
506 | static void check_selection (pos from, pos to) { |
507 | if (poslt(from, selend) && poslt(selstart, to)) |
374330e2 |
508 | deselect(); |
509 | } |
510 | |
511 | /* |
512 | * Scroll the screen. (`lines' is +ve for scrolling forward, -ve |
513 | * for backward.) `sb' is TRUE if the scrolling is permitted to |
514 | * affect the scrollback buffer. |
a4450583 |
515 | * |
516 | * NB this function invalidates all pointers into lines of the |
517 | * screen data structures. In particular, you MUST call fix_cpos |
518 | * after calling scroll() and before doing anything else that |
519 | * uses the cpos shortcut pointer. |
374330e2 |
520 | */ |
521 | static void scroll (int topline, int botline, int lines, int sb) { |
4facdf84 |
522 | unsigned long *line, *line2; |
523 | int i; |
c9def1b8 |
524 | |
7af9fa7f |
525 | if (topline != 0 || alt_which != 0) |
4facdf84 |
526 | sb = FALSE; |
527 | |
528 | if (lines < 0) { |
529 | while (lines < 0) { |
530 | line = delpos234(screen, botline); |
531 | for (i = 0; i < cols; i++) |
c83de303 |
532 | line[i+1] = erase_char; |
533 | line[cols+1] = 0; |
4facdf84 |
534 | addpos234(screen, line, topline); |
535 | |
536 | if (selstart.y >= topline && selstart.y <= botline) { |
537 | selstart.y++; |
538 | if (selstart.y > botline) { |
539 | selstart.y = botline; |
540 | selstart.x = 0; |
c9def1b8 |
541 | } |
c9def1b8 |
542 | } |
4facdf84 |
543 | if (selend.y >= topline && selend.y <= botline) { |
544 | selend.y++; |
545 | if (selend.y > botline) { |
546 | selend.y = botline; |
547 | selend.x = 0; |
c9def1b8 |
548 | } |
c9def1b8 |
549 | } |
c9def1b8 |
550 | |
4facdf84 |
551 | lines++; |
c9def1b8 |
552 | } |
374330e2 |
553 | } else { |
4facdf84 |
554 | while (lines > 0) { |
555 | line = delpos234(screen, topline); |
c83de303 |
556 | if (sb && savelines > 0) { |
4facdf84 |
557 | int sblen = count234(scrollback); |
558 | /* |
559 | * We must add this line to the scrollback. We'll |
560 | * remove a line from the top of the scrollback to |
561 | * replace it, or allocate a new one if the |
562 | * scrollback isn't full. |
563 | */ |
c83de303 |
564 | if (sblen == savelines) { |
4facdf84 |
565 | sblen--, line2 = delpos234(scrollback, 0); |
c83de303 |
566 | } else { |
567 | line2 = smalloc(TSIZE * (cols+2)); |
568 | line2[0] = cols; |
569 | } |
4facdf84 |
570 | addpos234(scrollback, line, sblen); |
571 | line = line2; |
572 | } |
573 | for (i = 0; i < cols; i++) |
c83de303 |
574 | line[i+1] = erase_char; |
575 | line[cols+1] = 0; |
4facdf84 |
576 | addpos234(screen, line, botline); |
577 | |
578 | if (selstart.y >= topline && selstart.y <= botline) { |
579 | selstart.y--; |
580 | if (selstart.y < topline) { |
581 | selstart.y = topline; |
582 | selstart.x = 0; |
583 | } |
584 | } |
585 | if (selend.y >= topline && selend.y <= botline) { |
586 | selend.y--; |
587 | if (selend.y < topline) { |
588 | selend.y = topline; |
589 | selend.x = 0; |
590 | } |
591 | } |
592 | |
593 | lines--; |
c9def1b8 |
594 | } |
374330e2 |
595 | } |
374330e2 |
596 | } |
597 | |
598 | /* |
599 | * Move the cursor to a given position, clipping at boundaries. We |
600 | * may or may not want to clip at the scroll margin: marg_clip is 0 |
601 | * not to, 1 to disallow _passing_ the margins, and 2 to disallow |
602 | * even _being_ outside the margins. |
603 | */ |
604 | static void move (int x, int y, int marg_clip) { |
605 | if (x < 0) |
606 | x = 0; |
607 | if (x >= cols) |
608 | x = cols-1; |
609 | if (marg_clip) { |
4facdf84 |
610 | if ((curs.y >= marg_t || marg_clip == 2) && y < marg_t) |
374330e2 |
611 | y = marg_t; |
4facdf84 |
612 | if ((curs.y <= marg_b || marg_clip == 2) && y > marg_b) |
374330e2 |
613 | y = marg_b; |
614 | } |
615 | if (y < 0) |
616 | y = 0; |
617 | if (y >= rows) |
618 | y = rows-1; |
4facdf84 |
619 | curs.x = x; |
620 | curs.y = y; |
374330e2 |
621 | fix_cpos; |
622 | wrapnext = FALSE; |
623 | } |
624 | |
625 | /* |
626 | * Save or restore the cursor and SGR mode. |
627 | */ |
628 | static void save_cursor(int save) { |
629 | if (save) { |
4facdf84 |
630 | savecurs = curs; |
374330e2 |
631 | save_attr = curr_attr; |
632 | save_cset = cset; |
633 | save_csattr = cset_attr[cset]; |
634 | } else { |
4facdf84 |
635 | curs = savecurs; |
c9def1b8 |
636 | /* Make sure the window hasn't shrunk since the save */ |
4facdf84 |
637 | if (curs.x >= cols) curs.x = cols-1; |
638 | if (curs.y >= rows) curs.y = rows-1; |
c9def1b8 |
639 | |
374330e2 |
640 | curr_attr = save_attr; |
641 | cset = save_cset; |
642 | cset_attr[cset] = save_csattr; |
643 | fix_cpos; |
e14a5a13 |
644 | if (use_bce) erase_char = (' ' |(curr_attr&(ATTR_FGMASK|ATTR_BGMASK))); |
374330e2 |
645 | } |
646 | } |
647 | |
648 | /* |
649 | * Erase a large portion of the screen: the whole screen, or the |
650 | * whole line, or parts thereof. |
651 | */ |
652 | static void erase_lots (int line_only, int from_begin, int to_end) { |
260f3dec |
653 | pos start, end; |
4facdf84 |
654 | int erase_lattr; |
655 | unsigned long *ldata; |
374330e2 |
656 | |
657 | if (line_only) { |
4facdf84 |
658 | start.y = curs.y; |
659 | start.x = 0; |
660 | end.y = curs.y + 1; |
661 | end.x = 0; |
662 | erase_lattr = FALSE; |
374330e2 |
663 | } else { |
4facdf84 |
664 | start.y = 0; |
665 | start.x = 0; |
666 | end.y = rows; |
667 | end.x = 0; |
668 | erase_lattr = TRUE; |
669 | } |
670 | if (!from_begin) { |
671 | start = curs; |
374330e2 |
672 | } |
4facdf84 |
673 | if (!to_end) { |
674 | end = curs; |
675 | } |
676 | check_selection (start, end); |
e14a5a13 |
677 | |
678 | /* Clear screen also forces a full window redraw, just in case. */ |
4facdf84 |
679 | if (start.y == 0 && start.x == 0 && end.y == rows) |
e14a5a13 |
680 | term_invalidate(); |
681 | |
4facdf84 |
682 | ldata = lineptr(start.y); |
683 | while (poslt(start, end)) { |
684 | if (start.y == cols && !erase_lattr) |
685 | ldata[start.x] &= ~ATTR_WRAPPED; |
686 | else |
687 | ldata[start.x] = erase_char; |
c83de303 |
688 | if (incpos(start) && start.y < rows) |
4facdf84 |
689 | ldata = lineptr(start.y); |
690 | } |
374330e2 |
691 | } |
692 | |
693 | /* |
694 | * Insert or delete characters within the current line. n is +ve if |
695 | * insertion is desired, and -ve for deletion. |
696 | */ |
697 | static void insch (int n) { |
698 | int dir = (n < 0 ? -1 : +1); |
699 | int m; |
4facdf84 |
700 | pos cursplus; |
701 | unsigned long *ldata; |
374330e2 |
702 | |
703 | n = (n < 0 ? -n : n); |
4facdf84 |
704 | if (n > cols - curs.x) |
705 | n = cols - curs.x; |
706 | m = cols - curs.x - n; |
707 | cursplus.y = curs.y; |
708 | cursplus.x = curs.x + n; |
709 | check_selection (curs, cursplus); |
710 | ldata = lineptr(curs.y); |
374330e2 |
711 | if (dir < 0) { |
4facdf84 |
712 | memmove (ldata + curs.x, ldata + curs.x + n, m*TSIZE); |
374330e2 |
713 | while (n--) |
4facdf84 |
714 | ldata[curs.x + m++] = erase_char; |
374330e2 |
715 | } else { |
4facdf84 |
716 | memmove (ldata + curs.x + n, ldata + curs.x, m*TSIZE); |
374330e2 |
717 | while (n--) |
4facdf84 |
718 | ldata[curs.x + n] = erase_char; |
374330e2 |
719 | } |
720 | } |
721 | |
722 | /* |
723 | * Toggle terminal mode `mode' to state `state'. (`query' indicates |
724 | * whether the mode is a DEC private one or a normal one.) |
725 | */ |
726 | static void toggle_mode (int mode, int query, int state) { |
7594731b |
727 | long ticks; |
374330e2 |
728 | if (query) switch (mode) { |
729 | case 1: /* application cursor keys */ |
730 | app_cursor_keys = state; |
731 | break; |
e14a5a13 |
732 | case 2: /* VT52 mode */ |
733 | vt52_mode = !state; |
734 | break; |
374330e2 |
735 | case 3: /* 80/132 columns */ |
736 | deselect(); |
e14a5a13 |
737 | request_resize (state ? 132 : 80, rows, 1); |
738 | reset_132 = state; |
374330e2 |
739 | break; |
740 | case 5: /* reverse video */ |
7594731b |
741 | /* |
742 | * Toggle reverse video. If we receive an OFF within the |
743 | * visual bell timeout period after an ON, we trigger an |
744 | * effective visual bell, so that ESC[?5hESC[?5l will |
745 | * always be an actually _visible_ visual bell. |
746 | */ |
747 | ticks = GetTickCount(); |
748 | if (rvideo && !state && /* we're turning it off */ |
749 | ticks < rvbell_timeout) { /* and it's not long since it was turned on */ |
750 | in_vbell = TRUE; /* we may clear rvideo but we set in_vbell */ |
751 | if (vbell_timeout < rvbell_timeout) /* don't move vbell end forward */ |
752 | vbell_timeout = rvbell_timeout; /* vbell end is at least then */ |
753 | } else if (!rvideo && state) { |
754 | /* This is an ON, so we notice the time and save it. */ |
755 | rvbell_timeout = ticks + VBELL_TIMEOUT; |
756 | } |
374330e2 |
757 | rvideo = state; |
cabfd08c |
758 | seen_disp_event = TRUE; |
e14a5a13 |
759 | if (state) term_update(); |
374330e2 |
760 | break; |
761 | case 6: /* DEC origin mode */ |
762 | dec_om = state; |
763 | break; |
764 | case 7: /* auto wrap */ |
765 | wrap = state; |
766 | break; |
c9def1b8 |
767 | case 8: /* auto key repeat */ |
768 | repeat_off = !state; |
769 | break; |
0965bee0 |
770 | case 10: /* set local edit mode */ |
771 | term_editing = state; |
772 | ldisc_send(NULL, 0); /* cause ldisc to notice changes */ |
773 | break; |
e14a5a13 |
774 | case 25: /* enable/disable cursor */ |
ec55b220 |
775 | compatibility2(OTHER,VT220); |
e14a5a13 |
776 | cursor_on = state; |
777 | seen_disp_event = TRUE; |
778 | break; |
374330e2 |
779 | case 47: /* alternate screen */ |
e14a5a13 |
780 | compatibility(OTHER); |
374330e2 |
781 | deselect(); |
782 | swap_screen (state); |
4facdf84 |
783 | disptop = 0; |
374330e2 |
784 | break; |
785 | } else switch (mode) { |
786 | case 4: /* set insert mode */ |
e14a5a13 |
787 | compatibility(VT102); |
374330e2 |
788 | insert = state; |
789 | break; |
e14a5a13 |
790 | case 12: /* set echo mode */ |
0965bee0 |
791 | term_echoing = !state; |
792 | ldisc_send(NULL, 0); /* cause ldisc to notice changes */ |
e14a5a13 |
793 | break; |
c9def1b8 |
794 | case 20: /* Return sends ... */ |
795 | cr_lf_return = state; |
796 | break; |
374330e2 |
797 | } |
798 | } |
799 | |
800 | /* |
801 | * Process an OSC sequence: set window title or icon name. |
802 | */ |
803 | static void do_osc(void) { |
804 | if (osc_w) { |
805 | while (osc_strlen--) |
806 | wordness[(unsigned char)osc_string[osc_strlen]] = esc_args[0]; |
807 | } else { |
808 | osc_string[osc_strlen] = '\0'; |
809 | switch (esc_args[0]) { |
810 | case 0: |
811 | case 1: |
812 | set_icon (osc_string); |
813 | if (esc_args[0] == 1) |
814 | break; |
815 | /* fall through: parameter 0 means set both */ |
816 | case 2: |
817 | case 21: |
818 | set_title (osc_string); |
819 | break; |
820 | } |
821 | } |
822 | } |
823 | |
824 | /* |
825 | * Remove everything currently in `inbuf' and stick it up on the |
826 | * in-memory display. There's a big state machine in here to |
827 | * process escape sequences... |
828 | */ |
829 | void term_out(void) { |
c9def1b8 |
830 | int c, inbuf_reap; |
831 | |
c9def1b8 |
832 | for(inbuf_reap = 0; inbuf_reap < inbuf_head; inbuf_reap++) |
833 | { |
834 | c = inbuf[inbuf_reap]; |
374330e2 |
835 | |
c9def1b8 |
836 | /* |
5fd04f07 |
837 | * Optionally log the session traffic to a file. Useful for |
838 | * debugging and possibly also useful for actual logging. |
839 | */ |
e1c8e0ed |
840 | logtraffic((unsigned char)c, LGTYP_DEBUG); |
841 | |
e14a5a13 |
842 | /* Note only VT220+ are 8-bit VT102 is seven bit, it shouldn't even |
843 | * be able to display 8-bit characters, but I'll let that go 'cause |
844 | * of i18n. |
845 | */ |
c9def1b8 |
846 | if( ( (c&0x60) == 0 || c == '\177') && |
847 | termstate < DO_CTRLS && |
e14a5a13 |
848 | ( (c&0x80) == 0 || has_compat(VT220))) { |
374330e2 |
849 | switch (c) { |
850 | case '\005': /* terminal type query */ |
e14a5a13 |
851 | /* Strictly speaking this is VT100 but a VT100 defaults to |
852 | * no response. Other terminals respond at their option. |
853 | * |
854 | * Don't put a CR in the default string as this tends to |
855 | * upset some weird software. |
856 | * |
857 | * An xterm returns "xterm" (5 characters) |
858 | */ |
e7fbcdd8 |
859 | compatibility(ANSIMIN); |
860 | { |
861 | char abuf[256], *s, *d; |
862 | int state=0; |
863 | for(s=cfg.answerback, d=abuf; *s; s++) { |
864 | if (state) |
865 | { |
866 | if (*s >= 'a' && *s <= 'z') |
867 | *d++ = (*s - ('a'-1)); |
868 | else if ((*s >='@' && *s<='_') || |
869 | *s == '?' || (*s&0x80)) |
870 | *d++ = ('@'^*s); |
871 | else if (*s == '~') |
872 | *d++ = '^'; |
873 | state = 0; |
874 | } |
875 | else if (*s == '^') { |
876 | state = 1; |
877 | } |
878 | else |
879 | *d++ = xlat_kbd2tty((unsigned char)*s); |
880 | } |
881 | ldisc_send (abuf, d-abuf); |
882 | } |
374330e2 |
883 | break; |
884 | case '\007': |
156686ef |
885 | { |
886 | struct beeptime *newbeep; |
887 | long ticks; |
888 | |
889 | ticks = GetTickCount(); |
156686ef |
890 | |
891 | if (!beep_overloaded) { |
892 | newbeep = smalloc(sizeof(struct beeptime)); |
893 | newbeep->ticks = ticks; |
894 | newbeep->next = NULL; |
895 | if (!beephead) |
896 | beephead = newbeep; |
897 | else |
898 | beeptail->next = newbeep; |
899 | beeptail = newbeep; |
900 | nbeeps++; |
901 | } |
902 | |
903 | /* |
904 | * Throw out any beeps that happened more than |
905 | * t seconds ago. |
906 | */ |
907 | while (beephead && |
7f4968e6 |
908 | beephead->ticks < ticks - cfg.bellovl_t) { |
156686ef |
909 | struct beeptime *tmp = beephead; |
910 | beephead = tmp->next; |
156686ef |
911 | sfree(tmp); |
912 | if (!beephead) |
913 | beeptail = NULL; |
914 | nbeeps--; |
915 | } |
916 | |
917 | if (cfg.bellovl && beep_overloaded && |
7f4968e6 |
918 | ticks-lastbeep >= cfg.bellovl_s) { |
156686ef |
919 | /* |
920 | * If we're currently overloaded and the |
921 | * last beep was more than s seconds ago, |
922 | * leave overload mode. |
923 | */ |
156686ef |
924 | beep_overloaded = FALSE; |
925 | } else if (cfg.bellovl && !beep_overloaded && |
926 | nbeeps >= cfg.bellovl_n) { |
927 | /* |
928 | * Now, if we have n or more beeps |
929 | * remaining in the queue, go into overload |
930 | * mode. |
931 | */ |
156686ef |
932 | beep_overloaded = TRUE; |
933 | } |
934 | lastbeep = ticks; |
935 | |
936 | /* |
937 | * Perform an actual beep if we're not overloaded. |
938 | */ |
939 | if ((!cfg.bellovl || !beep_overloaded) && cfg.beep != 0) { |
156686ef |
940 | if (cfg.beep != 2) |
941 | beep(cfg.beep); |
942 | else if(cfg.beep == 2) { |
943 | in_vbell = TRUE; |
944 | vbell_timeout = ticks + VBELL_TIMEOUT; |
945 | term_update(); |
946 | } |
947 | } |
4facdf84 |
948 | disptop = 0; |
156686ef |
949 | } |
374330e2 |
950 | break; |
951 | case '\b': |
4facdf84 |
952 | if (curs.x == 0 && curs.y == 0) |
c9def1b8 |
953 | ; |
4facdf84 |
954 | else if (curs.x == 0 && curs.y > 0) |
955 | curs.x = cols-1, curs.y--; |
374330e2 |
956 | else if (wrapnext) |
957 | wrapnext = FALSE; |
958 | else |
4facdf84 |
959 | curs.x--; |
374330e2 |
960 | fix_cpos; |
cabfd08c |
961 | seen_disp_event = TRUE; |
374330e2 |
962 | break; |
963 | case '\016': |
e14a5a13 |
964 | compatibility(VT100); |
374330e2 |
965 | cset = 1; |
966 | break; |
967 | case '\017': |
e14a5a13 |
968 | compatibility(VT100); |
374330e2 |
969 | cset = 0; |
970 | break; |
971 | case '\033': |
e14a5a13 |
972 | if (vt52_mode) |
973 | termstate = VT52_ESC; |
974 | else { |
975 | compatibility(ANSIMIN); |
976 | termstate = SEEN_ESC; |
977 | } |
374330e2 |
978 | break; |
979 | case 0233: |
e14a5a13 |
980 | compatibility(VT220); |
374330e2 |
981 | termstate = SEEN_CSI; |
982 | esc_nargs = 1; |
983 | esc_args[0] = ARG_DEFAULT; |
984 | esc_query = FALSE; |
985 | break; |
986 | case 0235: |
e14a5a13 |
987 | compatibility(VT220); |
374330e2 |
988 | termstate = SEEN_OSC; |
989 | esc_args[0] = 0; |
990 | break; |
991 | case '\r': |
4facdf84 |
992 | curs.x = 0; |
374330e2 |
993 | wrapnext = FALSE; |
994 | fix_cpos; |
cabfd08c |
995 | seen_disp_event = TRUE; |
c9def1b8 |
996 | paste_hold = 0; |
e1c8e0ed |
997 | logtraffic((unsigned char)c,LGTYP_ASCII); |
374330e2 |
998 | break; |
999 | case '\013': |
1000 | case '\014': |
e14a5a13 |
1001 | compatibility(VT100); |
374330e2 |
1002 | case '\n': |
4facdf84 |
1003 | if (curs.y == marg_b) |
374330e2 |
1004 | scroll (marg_t, marg_b, 1, TRUE); |
4facdf84 |
1005 | else if (curs.y < rows-1) |
1006 | curs.y++; |
cabfd08c |
1007 | if (cfg.lfhascr) |
4facdf84 |
1008 | curs.x = 0; |
374330e2 |
1009 | fix_cpos; |
1010 | wrapnext = FALSE; |
cabfd08c |
1011 | seen_disp_event = 1; |
c9def1b8 |
1012 | paste_hold = 0; |
e1c8e0ed |
1013 | logtraffic((unsigned char)c,LGTYP_ASCII); |
374330e2 |
1014 | break; |
1015 | case '\t': |
374330e2 |
1016 | { |
4facdf84 |
1017 | pos old_curs = curs; |
1018 | unsigned long *ldata = lineptr(curs.y); |
c9def1b8 |
1019 | |
1020 | do { |
4facdf84 |
1021 | curs.x++; |
1022 | } while (curs.x < cols-1 && !tabs[curs.x]); |
c9def1b8 |
1023 | |
4facdf84 |
1024 | if ((ldata[cols] & LATTR_MODE) != LATTR_NORM) |
c9def1b8 |
1025 | { |
4facdf84 |
1026 | if (curs.x >= cols/2) |
1027 | curs.x = cols/2-1; |
c9def1b8 |
1028 | } |
1029 | else |
1030 | { |
4facdf84 |
1031 | if (curs.x >= cols) |
1032 | curs.x = cols-1; |
c9def1b8 |
1033 | } |
1034 | |
374330e2 |
1035 | fix_cpos; |
4facdf84 |
1036 | check_selection (old_curs, curs); |
374330e2 |
1037 | } |
cabfd08c |
1038 | seen_disp_event = TRUE; |
374330e2 |
1039 | break; |
1ec0fa4b |
1040 | case '\177': /* Destructive backspace |
ec55b220 |
1041 | This does nothing on a real VT100 */ |
1042 | compatibility(OTHER); |
4facdf84 |
1043 | if (curs.x && !wrapnext) curs.x--; |
ec55b220 |
1044 | wrapnext = FALSE; |
1045 | fix_cpos; |
1046 | *cpos = (' ' | curr_attr | ATTR_ASCII); |
1047 | break; |
cabfd08c |
1048 | } |
1049 | } |
1050 | else switch (termstate) { |
1051 | case TOPLEVEL: |
4facdf84 |
1052 | /* Only graphic characters get this far, ctrls are stripped above */ |
1ec0fa4b |
1053 | if (wrapnext && wrap) { |
c9def1b8 |
1054 | cpos[1] |= ATTR_WRAPPED; |
4facdf84 |
1055 | if (curs.y == marg_b) |
8b811b12 |
1056 | scroll (marg_t, marg_b, 1, TRUE); |
4facdf84 |
1057 | else if (curs.y < rows-1) |
1058 | curs.y++; |
1059 | curs.x = 0; |
8b811b12 |
1060 | fix_cpos; |
1061 | wrapnext = FALSE; |
8b811b12 |
1062 | } |
1063 | if (insert) |
1064 | insch (1); |
4facdf84 |
1065 | if (selstate != NO_SELECTION) { |
1066 | pos cursplus = curs; |
1067 | incpos(cursplus); |
1068 | check_selection (curs, cursplus); |
1069 | } |
e14a5a13 |
1070 | switch (cset_attr[cset]) { |
4facdf84 |
1071 | /* |
1072 | * Linedraw characters are different from 'ESC ( B' |
1073 | * only for a small range. For ones outside that |
1074 | * range, make sure we use the same font as well as |
1075 | * the same encoding. |
e14a5a13 |
1076 | */ |
1077 | case ATTR_LINEDRW: |
ec55b220 |
1078 | if (c<0x5f || c>0x7F) |
e14a5a13 |
1079 | *cpos++ = xlat_tty2scr((unsigned char)c) | curr_attr | |
1080 | ATTR_ASCII; |
ec55b220 |
1081 | else if (c==0x5F) |
4facdf84 |
1082 | *cpos++ = ' ' | curr_attr | ATTR_ASCII; |
e14a5a13 |
1083 | else |
1084 | *cpos++ = ((unsigned char)c) | curr_attr | ATTR_LINEDRW; |
1085 | break; |
ec55b220 |
1086 | case ATTR_GBCHR: |
1087 | /* If UK-ASCII, make the '#' a LineDraw Pound */ |
1088 | if (c == '#') { |
1089 | *cpos++ = '}' | curr_attr | ATTR_LINEDRW; |
1090 | break; |
1091 | } |
1092 | /*FALLTHROUGH*/ |
e14a5a13 |
1093 | default: |
e1c8e0ed |
1094 | *cpos = xlat_tty2scr((unsigned char)c) | curr_attr | |
e14a5a13 |
1095 | (c <= 0x7F ? cset_attr[cset] : ATTR_ASCII); |
e1c8e0ed |
1096 | logtraffic((unsigned char)c, LGTYP_ASCII); |
1097 | cpos++; |
e14a5a13 |
1098 | break; |
1099 | } |
4facdf84 |
1100 | curs.x++; |
1101 | if (curs.x == cols) { |
8b811b12 |
1102 | cpos--; |
4facdf84 |
1103 | curs.x--; |
1ec0fa4b |
1104 | wrapnext = TRUE; |
374330e2 |
1105 | } |
8b811b12 |
1106 | seen_disp_event = 1; |
374330e2 |
1107 | break; |
cabfd08c |
1108 | |
374330e2 |
1109 | case IGNORE_NEXT: |
1110 | termstate = TOPLEVEL; |
1111 | break; |
1112 | case OSC_MAYBE_ST: |
1113 | /* |
1114 | * This state is virtually identical to SEEN_ESC, with the |
1115 | * exception that we have an OSC sequence in the pipeline, |
1116 | * and _if_ we see a backslash, we process it. |
1117 | */ |
1118 | if (c == '\\') { |
1119 | do_osc(); |
1120 | termstate = TOPLEVEL; |
1121 | break; |
1122 | } |
1123 | /* else fall through */ |
1124 | case SEEN_ESC: |
1125 | termstate = TOPLEVEL; |
1126 | switch (c) { |
374330e2 |
1127 | case ' ': /* some weird sequence? */ |
e14a5a13 |
1128 | compatibility(VT220); |
374330e2 |
1129 | termstate = IGNORE_NEXT; |
1130 | break; |
1131 | case '[': /* enter CSI mode */ |
1132 | termstate = SEEN_CSI; |
1133 | esc_nargs = 1; |
1134 | esc_args[0] = ARG_DEFAULT; |
1135 | esc_query = FALSE; |
1136 | break; |
1137 | case ']': /* xterm escape sequences */ |
e14a5a13 |
1138 | /* Compatibility is nasty here, xterm, linux, decterm yuk! */ |
1139 | compatibility(OTHER); |
374330e2 |
1140 | termstate = SEEN_OSC; |
1141 | esc_args[0] = 0; |
1142 | break; |
1143 | case '(': /* should set GL */ |
e14a5a13 |
1144 | compatibility(VT100); |
374330e2 |
1145 | termstate = SET_GL; |
1146 | break; |
1147 | case ')': /* should set GR */ |
e14a5a13 |
1148 | compatibility(VT100); |
374330e2 |
1149 | termstate = SET_GR; |
1150 | break; |
1151 | case '7': /* save cursor */ |
e14a5a13 |
1152 | compatibility(VT100); |
374330e2 |
1153 | save_cursor (TRUE); |
1154 | break; |
1155 | case '8': /* restore cursor */ |
e14a5a13 |
1156 | compatibility(VT100); |
374330e2 |
1157 | save_cursor (FALSE); |
cabfd08c |
1158 | seen_disp_event = TRUE; |
374330e2 |
1159 | break; |
1160 | case '=': |
e14a5a13 |
1161 | compatibility(VT100); |
374330e2 |
1162 | app_keypad_keys = TRUE; |
1163 | break; |
1164 | case '>': |
e14a5a13 |
1165 | compatibility(VT100); |
374330e2 |
1166 | app_keypad_keys = FALSE; |
1167 | break; |
1168 | case 'D': /* exactly equivalent to LF */ |
e14a5a13 |
1169 | compatibility(VT100); |
4facdf84 |
1170 | if (curs.y == marg_b) |
374330e2 |
1171 | scroll (marg_t, marg_b, 1, TRUE); |
4facdf84 |
1172 | else if (curs.y < rows-1) |
1173 | curs.y++; |
374330e2 |
1174 | fix_cpos; |
1175 | wrapnext = FALSE; |
cabfd08c |
1176 | seen_disp_event = TRUE; |
374330e2 |
1177 | break; |
1178 | case 'E': /* exactly equivalent to CR-LF */ |
e14a5a13 |
1179 | compatibility(VT100); |
4facdf84 |
1180 | curs.x = 0; |
1181 | if (curs.y == marg_b) |
374330e2 |
1182 | scroll (marg_t, marg_b, 1, TRUE); |
4facdf84 |
1183 | else if (curs.y < rows-1) |
1184 | curs.y++; |
374330e2 |
1185 | fix_cpos; |
1186 | wrapnext = FALSE; |
cabfd08c |
1187 | seen_disp_event = TRUE; |
374330e2 |
1188 | break; |
1189 | case 'M': /* reverse index - backwards LF */ |
e14a5a13 |
1190 | compatibility(VT100); |
4facdf84 |
1191 | if (curs.y == marg_t) |
374330e2 |
1192 | scroll (marg_t, marg_b, -1, TRUE); |
4facdf84 |
1193 | else if (curs.y > 0) |
1194 | curs.y--; |
374330e2 |
1195 | fix_cpos; |
1196 | wrapnext = FALSE; |
cabfd08c |
1197 | seen_disp_event = TRUE; |
374330e2 |
1198 | break; |
1199 | case 'Z': /* terminal type query */ |
e14a5a13 |
1200 | compatibility(VT100); |
0965bee0 |
1201 | ldisc_send (id_string, strlen(id_string)); |
374330e2 |
1202 | break; |
1203 | case 'c': /* restore power-on settings */ |
e14a5a13 |
1204 | compatibility(VT100); |
374330e2 |
1205 | power_on(); |
e14a5a13 |
1206 | if (reset_132) { |
1207 | request_resize (80, rows, 1); |
1208 | reset_132 = 0; |
1209 | } |
374330e2 |
1210 | fix_cpos; |
4facdf84 |
1211 | disptop = 0; |
cabfd08c |
1212 | seen_disp_event = TRUE; |
374330e2 |
1213 | break; |
1214 | case '#': /* ESC # 8 fills screen with Es :-) */ |
e14a5a13 |
1215 | compatibility(VT100); |
374330e2 |
1216 | termstate = SEEN_ESCHASH; |
1217 | break; |
1218 | case 'H': /* set a tab */ |
e14a5a13 |
1219 | compatibility(VT100); |
4facdf84 |
1220 | tabs[curs.x] = TRUE; |
374330e2 |
1221 | break; |
1222 | } |
1223 | break; |
1224 | case SEEN_CSI: |
1225 | termstate = TOPLEVEL; /* default */ |
8b811b12 |
1226 | if( isdigit(c) ) |
1227 | { |
374330e2 |
1228 | if (esc_nargs <= ARGS_MAX) { |
1229 | if (esc_args[esc_nargs-1] == ARG_DEFAULT) |
1230 | esc_args[esc_nargs-1] = 0; |
1231 | esc_args[esc_nargs-1] = |
1232 | 10 * esc_args[esc_nargs-1] + c - '0'; |
1233 | } |
1234 | termstate = SEEN_CSI; |
8b811b12 |
1235 | } |
1236 | else if( c == ';' ) |
1237 | { |
374330e2 |
1238 | if (++esc_nargs <= ARGS_MAX) |
1239 | esc_args[esc_nargs-1] = ARG_DEFAULT; |
1240 | termstate = SEEN_CSI; |
8b811b12 |
1241 | } |
1242 | else if( c < '@' ) |
1243 | { |
1244 | if( esc_query ) esc_query = -1; |
1245 | else if( c == '?' ) esc_query = TRUE; |
1246 | else esc_query = c; |
374330e2 |
1247 | termstate = SEEN_CSI; |
8b811b12 |
1248 | } |
1249 | else switch (ANSI(c,esc_query)) { |
374330e2 |
1250 | case 'A': /* move up N lines */ |
4facdf84 |
1251 | move (curs.x, curs.y - def(esc_args[0], 1), 1); |
cabfd08c |
1252 | seen_disp_event = TRUE; |
374330e2 |
1253 | break; |
e14a5a13 |
1254 | case 'e': /* move down N lines */ |
1255 | compatibility(ANSI); |
1256 | case 'B': |
4facdf84 |
1257 | move (curs.x, curs.y + def(esc_args[0], 1), 1); |
cabfd08c |
1258 | seen_disp_event = TRUE; |
374330e2 |
1259 | break; |
e14a5a13 |
1260 | case 'a': /* move right N cols */ |
1261 | compatibility(ANSI); |
1262 | case 'C': |
4facdf84 |
1263 | move (curs.x + def(esc_args[0], 1), curs.y, 1); |
cabfd08c |
1264 | seen_disp_event = TRUE; |
374330e2 |
1265 | break; |
1266 | case 'D': /* move left N cols */ |
4facdf84 |
1267 | move (curs.x - def(esc_args[0], 1), curs.y, 1); |
cabfd08c |
1268 | seen_disp_event = TRUE; |
374330e2 |
1269 | break; |
1270 | case 'E': /* move down N lines and CR */ |
e14a5a13 |
1271 | compatibility(ANSI); |
4facdf84 |
1272 | move (0, curs.y + def(esc_args[0], 1), 1); |
cabfd08c |
1273 | seen_disp_event = TRUE; |
374330e2 |
1274 | break; |
1275 | case 'F': /* move up N lines and CR */ |
e14a5a13 |
1276 | compatibility(ANSI); |
4facdf84 |
1277 | move (0, curs.y - def(esc_args[0], 1), 1); |
cabfd08c |
1278 | seen_disp_event = TRUE; |
374330e2 |
1279 | break; |
1280 | case 'G': case '`': /* set horizontal posn */ |
e14a5a13 |
1281 | compatibility(ANSI); |
4facdf84 |
1282 | move (def(esc_args[0], 1) - 1, curs.y, 0); |
cabfd08c |
1283 | seen_disp_event = TRUE; |
374330e2 |
1284 | break; |
1285 | case 'd': /* set vertical posn */ |
e14a5a13 |
1286 | compatibility(ANSI); |
4facdf84 |
1287 | move (curs.x, (dec_om ? marg_t : 0) + def(esc_args[0], 1) - 1, |
374330e2 |
1288 | (dec_om ? 2 : 0)); |
cabfd08c |
1289 | seen_disp_event = TRUE; |
374330e2 |
1290 | break; |
1291 | case 'H': case 'f': /* set horz and vert posns at once */ |
1292 | if (esc_nargs < 2) |
1293 | esc_args[1] = ARG_DEFAULT; |
1294 | move (def(esc_args[1], 1) - 1, |
1295 | (dec_om ? marg_t : 0) + def(esc_args[0], 1) - 1, |
1296 | (dec_om ? 2 : 0)); |
cabfd08c |
1297 | seen_disp_event = TRUE; |
374330e2 |
1298 | break; |
1299 | case 'J': /* erase screen or parts of it */ |
1300 | { |
1301 | unsigned int i = def(esc_args[0], 0) + 1; |
1302 | if (i > 3) |
1303 | i = 0; |
1304 | erase_lots(FALSE, !!(i & 2), !!(i & 1)); |
1305 | } |
4facdf84 |
1306 | disptop = 0; |
cabfd08c |
1307 | seen_disp_event = TRUE; |
374330e2 |
1308 | break; |
1309 | case 'K': /* erase line or parts of it */ |
1310 | { |
1311 | unsigned int i = def(esc_args[0], 0) + 1; |
1312 | if (i > 3) |
1313 | i = 0; |
1314 | erase_lots(TRUE, !!(i & 2), !!(i & 1)); |
1315 | } |
cabfd08c |
1316 | seen_disp_event = TRUE; |
374330e2 |
1317 | break; |
1318 | case 'L': /* insert lines */ |
e14a5a13 |
1319 | compatibility(VT102); |
4facdf84 |
1320 | if (curs.y <= marg_b) |
1321 | scroll (curs.y, marg_b, -def(esc_args[0], 1), FALSE); |
a4450583 |
1322 | fix_cpos; |
cabfd08c |
1323 | seen_disp_event = TRUE; |
374330e2 |
1324 | break; |
1325 | case 'M': /* delete lines */ |
e14a5a13 |
1326 | compatibility(VT102); |
4facdf84 |
1327 | if (curs.y <= marg_b) |
1328 | scroll (curs.y, marg_b, def(esc_args[0], 1), TRUE); |
a4450583 |
1329 | fix_cpos; |
cabfd08c |
1330 | seen_disp_event = TRUE; |
374330e2 |
1331 | break; |
1332 | case '@': /* insert chars */ |
e14a5a13 |
1333 | /* XXX VTTEST says this is vt220, vt510 manual says vt102 */ |
1334 | compatibility(VT102); |
374330e2 |
1335 | insch (def(esc_args[0], 1)); |
cabfd08c |
1336 | seen_disp_event = TRUE; |
374330e2 |
1337 | break; |
1338 | case 'P': /* delete chars */ |
e14a5a13 |
1339 | compatibility(VT102); |
374330e2 |
1340 | insch (-def(esc_args[0], 1)); |
cabfd08c |
1341 | seen_disp_event = TRUE; |
374330e2 |
1342 | break; |
1343 | case 'c': /* terminal type query */ |
e14a5a13 |
1344 | compatibility(VT100); |
1345 | /* This is the response for a VT102 */ |
0965bee0 |
1346 | ldisc_send (id_string, strlen(id_string)); |
374330e2 |
1347 | break; |
1348 | case 'n': /* cursor position query */ |
1349 | if (esc_args[0] == 6) { |
1350 | char buf[32]; |
4facdf84 |
1351 | sprintf (buf, "\033[%d;%dR", curs.y + 1, curs.x + 1); |
0965bee0 |
1352 | ldisc_send (buf, strlen(buf)); |
374330e2 |
1353 | } |
e14a5a13 |
1354 | else if (esc_args[0] == 5) { |
0965bee0 |
1355 | ldisc_send ("\033[0n", 4); |
e14a5a13 |
1356 | } |
374330e2 |
1357 | break; |
e14a5a13 |
1358 | case 'h': /* toggle modes to high */ |
8b811b12 |
1359 | case ANSI_QUE('h'): |
e14a5a13 |
1360 | compatibility(VT100); |
1361 | { |
1362 | int i; |
1363 | for (i=0; i<esc_nargs; i++) |
1364 | toggle_mode (esc_args[i], esc_query, TRUE); |
1365 | } |
374330e2 |
1366 | break; |
e14a5a13 |
1367 | case 'l': /* toggle modes to low */ |
8b811b12 |
1368 | case ANSI_QUE('l'): |
e14a5a13 |
1369 | compatibility(VT100); |
1370 | { |
1371 | int i; |
1372 | for (i=0; i<esc_nargs; i++) |
1373 | toggle_mode (esc_args[i], esc_query, FALSE); |
1374 | } |
374330e2 |
1375 | break; |
1376 | case 'g': /* clear tabs */ |
e14a5a13 |
1377 | compatibility(VT100); |
374330e2 |
1378 | if (esc_nargs == 1) { |
1379 | if (esc_args[0] == 0) { |
4facdf84 |
1380 | tabs[curs.x] = FALSE; |
374330e2 |
1381 | } else if (esc_args[0] == 3) { |
1382 | int i; |
1383 | for (i = 0; i < cols; i++) |
1384 | tabs[i] = FALSE; |
1385 | } |
1386 | } |
1387 | break; |
1388 | case 'r': /* set scroll margins */ |
e14a5a13 |
1389 | compatibility(VT100); |
8b811b12 |
1390 | if (esc_nargs <= 2) { |
374330e2 |
1391 | int top, bot; |
7e394092 |
1392 | top = def(esc_args[0], 1) - 1; |
1393 | bot = (esc_nargs <= 1 || esc_args[1] == 0 ? rows : |
1394 | def(esc_args[1], rows)) - 1; |
374330e2 |
1395 | if (bot >= rows) |
1396 | bot = rows-1; |
7e394092 |
1397 | /* VTTEST Bug 9 - if region is less than 2 lines |
1398 | * don't change region. |
1399 | */ |
83ea993b |
1400 | if (bot-top > 0) { |
374330e2 |
1401 | marg_t = top; |
1402 | marg_b = bot; |
4facdf84 |
1403 | curs.x = 0; |
374330e2 |
1404 | /* |
1405 | * I used to think the cursor should be |
1406 | * placed at the top of the newly marginned |
1407 | * area. Apparently not: VMS TPU falls over |
1408 | * if so. |
e14a5a13 |
1409 | * |
1410 | * Well actually it should for Origin mode - RDB |
374330e2 |
1411 | */ |
4facdf84 |
1412 | curs.y = (dec_om ? marg_t : 0); |
374330e2 |
1413 | fix_cpos; |
cabfd08c |
1414 | seen_disp_event = TRUE; |
374330e2 |
1415 | } |
1416 | } |
1417 | break; |
1418 | case 'm': /* set graphics rendition */ |
1419 | { |
e14a5a13 |
1420 | /* |
1421 | * A VT100 without the AVO only had one attribute, either |
1422 | * underline or reverse video depending on the cursor type, |
1423 | * this was selected by CSI 7m. |
1424 | * |
1425 | * case 2: |
1426 | * This is DIM on the VT100-AVO and VT102 |
1427 | * case 5: |
1428 | * This is BLINK on the VT100-AVO and VT102+ |
1429 | * case 8: |
1430 | * This is INVIS on the VT100-AVO and VT102 |
1431 | * case 21: |
1432 | * This like 22 disables BOLD, DIM and INVIS |
1433 | * |
1434 | * The ANSI colours appear on any terminal that has colour |
1435 | * (obviously) but the interaction between sgr0 and the |
1436 | * colours varies but is usually related to the background |
1437 | * colour erase item. |
1438 | * The interaction between colour attributes and the mono |
1439 | * ones is also very implementation dependent. |
1440 | * |
1441 | * The 39 and 49 attributes are likely to be unimplemented. |
1442 | */ |
374330e2 |
1443 | int i; |
1444 | for (i=0; i<esc_nargs; i++) { |
1445 | switch (def(esc_args[i], 0)) { |
1446 | case 0: /* restore defaults */ |
1447 | curr_attr = ATTR_DEFAULT; break; |
1448 | case 1: /* enable bold */ |
e14a5a13 |
1449 | compatibility(VT100AVO); |
374330e2 |
1450 | curr_attr |= ATTR_BOLD; break; |
374330e2 |
1451 | case 21: /* (enable double underline) */ |
e14a5a13 |
1452 | compatibility(OTHER); |
1453 | case 4: /* enable underline */ |
1454 | compatibility(VT100AVO); |
374330e2 |
1455 | curr_attr |= ATTR_UNDER; break; |
e14a5a13 |
1456 | case 5: /* enable blink */ |
1457 | compatibility(VT100AVO); |
1458 | curr_attr |= ATTR_BLINK; break; |
374330e2 |
1459 | case 7: /* enable reverse video */ |
1460 | curr_attr |= ATTR_REVERSE; break; |
1461 | case 22: /* disable bold */ |
ec55b220 |
1462 | compatibility2(OTHER,VT220); |
374330e2 |
1463 | curr_attr &= ~ATTR_BOLD; break; |
1464 | case 24: /* disable underline */ |
ec55b220 |
1465 | compatibility2(OTHER,VT220); |
374330e2 |
1466 | curr_attr &= ~ATTR_UNDER; break; |
e14a5a13 |
1467 | case 25: /* disable blink */ |
ec55b220 |
1468 | compatibility2(OTHER,VT220); |
e14a5a13 |
1469 | curr_attr &= ~ATTR_BLINK; break; |
374330e2 |
1470 | case 27: /* disable reverse video */ |
ec55b220 |
1471 | compatibility2(OTHER,VT220); |
374330e2 |
1472 | curr_attr &= ~ATTR_REVERSE; break; |
1473 | case 30: case 31: case 32: case 33: |
1474 | case 34: case 35: case 36: case 37: |
1475 | /* foreground */ |
1476 | curr_attr &= ~ATTR_FGMASK; |
1477 | curr_attr |= (esc_args[i] - 30) << ATTR_FGSHIFT; |
1478 | break; |
1479 | case 39: /* default-foreground */ |
1480 | curr_attr &= ~ATTR_FGMASK; |
1481 | curr_attr |= ATTR_DEFFG; |
1482 | break; |
1483 | case 40: case 41: case 42: case 43: |
1484 | case 44: case 45: case 46: case 47: |
1485 | /* background */ |
1486 | curr_attr &= ~ATTR_BGMASK; |
1487 | curr_attr |= (esc_args[i] - 40) << ATTR_BGSHIFT; |
1488 | break; |
1489 | case 49: /* default-background */ |
1490 | curr_attr &= ~ATTR_BGMASK; |
1491 | curr_attr |= ATTR_DEFBG; |
1492 | break; |
1493 | } |
1494 | } |
e14a5a13 |
1495 | if (use_bce) |
c9def1b8 |
1496 | erase_char = |
1497 | (' '| |
1498 | (curr_attr&(ATTR_FGMASK|ATTR_BGMASK|ATTR_BLINK)) |
1499 | ); |
374330e2 |
1500 | } |
1501 | break; |
1502 | case 's': /* save cursor */ |
1503 | save_cursor (TRUE); |
1504 | break; |
1505 | case 'u': /* restore cursor */ |
1506 | save_cursor (FALSE); |
cabfd08c |
1507 | seen_disp_event = TRUE; |
374330e2 |
1508 | break; |
1509 | case 't': /* set page size - ie window height */ |
e14a5a13 |
1510 | /* |
1511 | * VT340/VT420 sequence DECSLPP, DEC only allows values |
1512 | * 24/25/36/48/72/144 other emulators (eg dtterm) use |
1513 | * illegal values (eg first arg 1..9) for window changing |
1514 | * and reports. |
1515 | */ |
1516 | compatibility(VT340TEXT); |
1517 | if (esc_nargs<=1 && (esc_args[0]<1 || esc_args[0]>=24)) { |
c9def1b8 |
1518 | request_resize (cols, def(esc_args[0], 24), 0); |
e14a5a13 |
1519 | deselect(); |
1520 | } |
1521 | break; |
1522 | case ANSI('|', '*'): |
1523 | /* VT420 sequence DECSNLS |
1524 | * Set number of lines on screen |
1525 | * VT420 uses VGA like hardware and can support any size in |
1526 | * reasonable range (24..49 AIUI) with no default specified. |
1527 | */ |
1528 | compatibility(VT420); |
c9def1b8 |
1529 | if (esc_nargs==1 && esc_args[0]>0) { |
1530 | request_resize (cols, def(esc_args[0], cfg.height), 0); |
e14a5a13 |
1531 | deselect(); |
1532 | } |
1533 | break; |
1534 | case ANSI('|', '$'): |
1535 | /* VT340/VT420 sequence DECSCPP |
1536 | * Set number of columns per page |
1537 | * Docs imply range is only 80 or 132, but I'll allow any. |
1538 | */ |
1539 | compatibility(VT340TEXT); |
1540 | if (esc_nargs<=1) { |
c9def1b8 |
1541 | request_resize (def(esc_args[0], cfg.width), rows, 0); |
e14a5a13 |
1542 | deselect(); |
1543 | } |
374330e2 |
1544 | break; |
1545 | case 'X': /* write N spaces w/o moving cursor */ |
e14a5a13 |
1546 | /* XXX VTTEST says this is vt220, vt510 manual says vt100 */ |
c9def1b8 |
1547 | compatibility(ANSIMIN); |
374330e2 |
1548 | { |
1549 | int n = def(esc_args[0], 1); |
4facdf84 |
1550 | pos cursplus; |
374330e2 |
1551 | unsigned long *p = cpos; |
4facdf84 |
1552 | if (n > cols - curs.x) |
1553 | n = cols - curs.x; |
1554 | cursplus = curs; |
1555 | cursplus.x += n; |
1556 | check_selection (curs, cursplus); |
374330e2 |
1557 | while (n--) |
e14a5a13 |
1558 | *p++ = erase_char; |
cabfd08c |
1559 | seen_disp_event = TRUE; |
374330e2 |
1560 | } |
1561 | break; |
1562 | case 'x': /* report terminal characteristics */ |
e14a5a13 |
1563 | compatibility(VT100); |
374330e2 |
1564 | { |
1565 | char buf[32]; |
1566 | int i = def(esc_args[0], 0); |
1567 | if (i == 0 || i == 1) { |
1568 | strcpy (buf, "\033[2;1;1;112;112;1;0x"); |
1569 | buf[2] += i; |
0965bee0 |
1570 | ldisc_send (buf, 20); |
374330e2 |
1571 | } |
1572 | } |
1573 | break; |
e14a5a13 |
1574 | case ANSI('L','='): |
1575 | compatibility(OTHER); |
1576 | use_bce = (esc_args[0]<=0); |
1577 | erase_char = ERASE_CHAR; |
1578 | if (use_bce) |
1579 | erase_char = (' '|(curr_attr&(ATTR_FGMASK|ATTR_BGMASK))); |
1580 | break; |
c9def1b8 |
1581 | case ANSI('E','='): |
1582 | compatibility(OTHER); |
1583 | blink_is_real = (esc_args[0]>=1); |
1584 | break; |
e14a5a13 |
1585 | case ANSI('p','"'): |
1586 | /* Allow the host to make this emulator a 'perfect' VT102. |
1587 | * This first appeared in the VT220, but we do need to get |
1588 | * back to PuTTY mode so I won't check it. |
1589 | * |
ec55b220 |
1590 | * The arg in 40..42 are a PuTTY extension. |
1591 | * The 2nd arg, 8bit vs 7bit is not checked. |
e14a5a13 |
1592 | * |
1593 | * Setting VT102 mode should also change the Fkeys to |
1594 | * generate PF* codes as a real VT102 has no Fkeys. |
1595 | * The VT220 does this, F11..F13 become ESC,BS,LF other Fkeys |
1596 | * send nothing. |
1597 | * |
1598 | * Note ESC c will NOT change this! |
1599 | */ |
1600 | |
ec55b220 |
1601 | switch (esc_args[0]) { |
1602 | case 61: compatibility_level &= ~TM_VTXXX; |
1603 | compatibility_level |= TM_VT102; break; |
1604 | case 62: compatibility_level &= ~TM_VTXXX; |
1605 | compatibility_level |= TM_VT220; break; |
1606 | |
1607 | default: if( esc_args[0] > 60 && esc_args[0] < 70 ) |
1608 | compatibility_level |= TM_VTXXX; |
1609 | break; |
1610 | |
1611 | case 40: compatibility_level &= TM_VTXXX; break; |
1612 | case 41: compatibility_level = TM_PUTTY; break; |
1613 | case 42: compatibility_level = TM_SCOANSI; break; |
1614 | |
1615 | case ARG_DEFAULT: |
1616 | compatibility_level = TM_PUTTY; break; |
1617 | case 50: break; |
1618 | } |
1619 | |
1620 | /* Change the response to CSI c */ |
1621 | if (esc_args[0] == 50) { |
1622 | int i; |
1623 | char lbuf[64]; |
1624 | strcpy(id_string, "\033[?"); |
1625 | for (i=1; i<esc_nargs; i++) { |
1626 | if (i!=1) strcat(id_string, ";"); |
1627 | sprintf(lbuf, "%d", esc_args[i]); |
1628 | strcat(id_string, lbuf); |
1629 | } |
1630 | strcat(id_string, "c"); |
1631 | } |
1632 | |
1633 | #if 0 |
1634 | /* Is this a good idea ? |
1635 | * Well we should do a soft reset at this point ... |
1636 | */ |
1637 | if (!has_compat(VT420) && has_compat(VT100)) { |
1638 | if (reset_132) request_resize (132, 24, 1); |
1639 | else request_resize ( 80, 24, 1); |
1640 | } |
1641 | #endif |
e14a5a13 |
1642 | break; |
374330e2 |
1643 | } |
1644 | break; |
1645 | case SET_GL: |
1646 | case SET_GR: |
e14a5a13 |
1647 | /* VT100 only here, checked above */ |
374330e2 |
1648 | switch (c) { |
1649 | case 'A': |
1650 | cset_attr[termstate == SET_GL ? 0 : 1] = ATTR_GBCHR; |
1651 | break; |
1652 | case '0': |
1653 | cset_attr[termstate == SET_GL ? 0 : 1] = ATTR_LINEDRW; |
1654 | break; |
e14a5a13 |
1655 | case 'B': |
374330e2 |
1656 | default: /* specifically, 'B' */ |
1657 | cset_attr[termstate == SET_GL ? 0 : 1] = ATTR_ASCII; |
1658 | break; |
1659 | } |
e14a5a13 |
1660 | if( !has_compat(VT220) || c != '%' ) |
8b811b12 |
1661 | termstate = TOPLEVEL; |
374330e2 |
1662 | break; |
1663 | case SEEN_OSC: |
1664 | osc_w = FALSE; |
1665 | switch (c) { |
374330e2 |
1666 | case 'P': /* Linux palette sequence */ |
1667 | termstate = SEEN_OSC_P; |
1668 | osc_strlen = 0; |
1669 | break; |
1670 | case 'R': /* Linux palette reset */ |
1671 | palette_reset(); |
1672 | term_invalidate(); |
1673 | termstate = TOPLEVEL; |
1674 | break; |
1675 | case 'W': /* word-set */ |
1676 | termstate = SEEN_OSC_W; |
1677 | osc_w = TRUE; |
1678 | break; |
1679 | case '0': case '1': case '2': case '3': case '4': |
1680 | case '5': case '6': case '7': case '8': case '9': |
1681 | esc_args[0] = 10 * esc_args[0] + c - '0'; |
1682 | break; |
1683 | case 'L': |
1684 | /* |
1685 | * Grotty hack to support xterm and DECterm title |
1686 | * sequences concurrently. |
1687 | */ |
1688 | if (esc_args[0] == 2) { |
1689 | esc_args[0] = 1; |
1690 | break; |
1691 | } |
1692 | /* else fall through */ |
1693 | default: |
1694 | termstate = OSC_STRING; |
1695 | osc_strlen = 0; |
1696 | } |
1697 | break; |
1698 | case OSC_STRING: |
8b811b12 |
1699 | /* |
1700 | * This OSC stuff is EVIL. It takes just one character to get into |
1701 | * sysline mode and it's not initially obvious how to get out. |
1702 | * So I've added CR and LF as string aborts. |
1703 | * This shouldn't effect compatibility as I believe embedded |
1704 | * control characters are supposed to be interpreted (maybe?) |
1705 | * and they don't display anything useful anyway. |
1706 | * |
1707 | * -- RDB |
1708 | */ |
1709 | if (c == '\n' || c == '\r') { |
1710 | termstate = TOPLEVEL; |
1711 | } else if (c == 0234 || c == '\007' ) { |
374330e2 |
1712 | /* |
1713 | * These characters terminate the string; ST and BEL |
1714 | * terminate the sequence and trigger instant |
1715 | * processing of it, whereas ESC goes back to SEEN_ESC |
1716 | * mode unless it is followed by \, in which case it is |
1717 | * synonymous with ST in the first place. |
1718 | */ |
1719 | do_osc(); |
1720 | termstate = TOPLEVEL; |
1721 | } else if (c == '\033') |
1722 | termstate = OSC_MAYBE_ST; |
1723 | else if (osc_strlen < OSC_STR_MAX) |
1724 | osc_string[osc_strlen++] = c; |
1725 | break; |
1726 | case SEEN_OSC_P: |
1727 | { |
1728 | int max = (osc_strlen == 0 ? 21 : 16); |
1729 | int val; |
1730 | if (c >= '0' && c <= '9') |
1731 | val = c - '0'; |
1732 | else if (c >= 'A' && c <= 'A'+max-10) |
1733 | val = c - 'A' + 10; |
1734 | else if (c >= 'a' && c <= 'a'+max-10) |
1735 | val = c - 'a' + 10; |
1736 | else |
1737 | termstate = TOPLEVEL; |
1738 | osc_string[osc_strlen++] = val; |
1739 | if (osc_strlen >= 7) { |
1740 | palette_set (osc_string[0], |
1741 | osc_string[1] * 16 + osc_string[2], |
1742 | osc_string[3] * 16 + osc_string[4], |
1743 | osc_string[5] * 16 + osc_string[6]); |
1744 | term_invalidate(); |
1745 | termstate = TOPLEVEL; |
1746 | } |
1747 | } |
1748 | break; |
1749 | case SEEN_OSC_W: |
1750 | switch (c) { |
374330e2 |
1751 | case '0': case '1': case '2': case '3': case '4': |
1752 | case '5': case '6': case '7': case '8': case '9': |
1753 | esc_args[0] = 10 * esc_args[0] + c - '0'; |
1754 | break; |
1755 | default: |
1756 | termstate = OSC_STRING; |
1757 | osc_strlen = 0; |
1758 | } |
1759 | break; |
1760 | case SEEN_ESCHASH: |
c9def1b8 |
1761 | { |
c9def1b8 |
1762 | unsigned long nlattr; |
4facdf84 |
1763 | unsigned long *ldata; |
1764 | int i, j; |
1765 | pos scrtop, scrbot; |
c9def1b8 |
1766 | |
1767 | switch (c) { |
1768 | case '8': |
4facdf84 |
1769 | for (i = 0; i < rows; i++) { |
1770 | ldata = lineptr(i); |
1771 | for (j = 0; j < cols; j++) |
1772 | ldata[j] = ATTR_DEFAULT | 'E'; |
1773 | ldata[cols] = 0; |
1774 | } |
1775 | disptop = 0; |
c9def1b8 |
1776 | seen_disp_event = TRUE; |
4facdf84 |
1777 | scrtop.x = scrtop.y = 0; |
1778 | scrbot.x = 0; scrbot.y = rows; |
1779 | check_selection (scrtop, scrbot); |
c9def1b8 |
1780 | break; |
1781 | |
4facdf84 |
1782 | case '3': nlattr = LATTR_TOP; goto lattr_common; |
1783 | case '4': nlattr = LATTR_BOT; goto lattr_common; |
1784 | case '5': nlattr = LATTR_NORM; goto lattr_common; |
1785 | case '6': nlattr = LATTR_WIDE; |
1786 | lattr_common: |
c9def1b8 |
1787 | |
4facdf84 |
1788 | ldata = lineptr(curs.y); |
1789 | ldata[cols] &= ~LATTR_MODE; |
1790 | ldata[cols] |= nlattr; |
c9def1b8 |
1791 | } |
374330e2 |
1792 | } |
1793 | termstate = TOPLEVEL; |
1794 | break; |
e14a5a13 |
1795 | case VT52_ESC: |
1796 | termstate = TOPLEVEL; |
1797 | seen_disp_event = TRUE; |
1798 | switch (c) { |
1799 | case 'A': |
4facdf84 |
1800 | move (curs.x, curs.y - 1, 1); |
e14a5a13 |
1801 | break; |
1802 | case 'B': |
4facdf84 |
1803 | move (curs.x, curs.y + 1, 1); |
e14a5a13 |
1804 | break; |
1805 | case 'C': |
4facdf84 |
1806 | move (curs.x + 1, curs.y, 1); |
e14a5a13 |
1807 | break; |
1808 | case 'D': |
4facdf84 |
1809 | move (curs.x - 1, curs.y, 1); |
e14a5a13 |
1810 | break; |
1811 | case 'F': |
1812 | cset_attr[cset=0] = ATTR_LINEDRW; |
1813 | break; |
1814 | case 'G': |
1815 | cset_attr[cset=0] = ATTR_ASCII; |
1816 | break; |
1817 | case 'H': |
1818 | move (0, 0, 0); |
1819 | break; |
1820 | case 'I': |
4facdf84 |
1821 | if (curs.y == 0) |
e14a5a13 |
1822 | scroll (0, rows-1, -1, TRUE); |
4facdf84 |
1823 | else if (curs.y > 0) |
1824 | curs.y--; |
e14a5a13 |
1825 | fix_cpos; |
1826 | wrapnext = FALSE; |
1827 | break; |
1828 | case 'J': |
1829 | erase_lots(FALSE, FALSE, TRUE); |
4facdf84 |
1830 | disptop = 0; |
e14a5a13 |
1831 | break; |
1832 | case 'K': |
1833 | erase_lots(TRUE, FALSE, TRUE); |
1834 | break; |
1835 | case 'V': |
1836 | /* XXX Print cursor line */ |
1837 | break; |
1838 | case 'W': |
1839 | /* XXX Start controller mode */ |
1840 | break; |
1841 | case 'X': |
1842 | /* XXX Stop controller mode */ |
1843 | break; |
1844 | case 'Y': |
1845 | termstate = VT52_Y1; |
1846 | break; |
1847 | case 'Z': |
0965bee0 |
1848 | ldisc_send ("\033/Z", 3); |
e14a5a13 |
1849 | break; |
1850 | case '=': |
ec55b220 |
1851 | app_keypad_keys = TRUE; |
e14a5a13 |
1852 | break; |
1853 | case '>': |
ec55b220 |
1854 | app_keypad_keys = FALSE; |
e14a5a13 |
1855 | break; |
1856 | case '<': |
1857 | /* XXX This should switch to VT100 mode not current or default |
1858 | * VT mode. But this will only have effect in a VT220+ |
1859 | * emulation. |
1860 | */ |
1861 | vt52_mode = FALSE; |
1862 | break; |
1863 | case '^': |
1864 | /* XXX Enter auto print mode */ |
1865 | break; |
1866 | case '_': |
1867 | /* XXX Exit auto print mode */ |
1868 | break; |
1869 | case ']': |
1870 | /* XXX Print screen */ |
1871 | break; |
1872 | } |
1873 | break; |
1874 | case VT52_Y1: |
1875 | termstate = VT52_Y2; |
4facdf84 |
1876 | move(curs.x, c-' ', 0); |
e14a5a13 |
1877 | break; |
1878 | case VT52_Y2: |
1879 | termstate = TOPLEVEL; |
4facdf84 |
1880 | move(c-' ', curs.y, 0); |
e14a5a13 |
1881 | break; |
374330e2 |
1882 | } |
4facdf84 |
1883 | if (selstate != NO_SELECTION) { |
1884 | pos cursplus = curs; |
1885 | incpos(cursplus); |
1886 | check_selection (curs, cursplus); |
1887 | } |
374330e2 |
1888 | } |
c9def1b8 |
1889 | inbuf_head = 0; |
374330e2 |
1890 | } |
1891 | |
1892 | /* |
1893 | * Compare two lines to determine whether they are sufficiently |
1894 | * alike to scroll-optimise one to the other. Return the degree of |
1895 | * similarity. |
1896 | */ |
1897 | static int linecmp (unsigned long *a, unsigned long *b) { |
1898 | int i, n; |
1899 | |
1900 | for (i=n=0; i < cols; i++) |
1901 | n += (*a++ == *b++); |
1902 | return n; |
1903 | } |
1904 | |
1905 | /* |
1906 | * Given a context, update the window. Out of paranoia, we don't |
1907 | * allow WM_PAINT responses to do scrolling optimisations. |
1908 | */ |
4facdf84 |
1909 | static void do_paint (Context ctx, int may_optimise) { |
374330e2 |
1910 | int i, j, start, our_curs_y; |
1911 | unsigned long attr, rv, cursor; |
4facdf84 |
1912 | pos scrpos; |
374330e2 |
1913 | char ch[1024]; |
156686ef |
1914 | long ticks; |
374330e2 |
1915 | |
156686ef |
1916 | /* |
1917 | * Check the visual bell state. |
1918 | */ |
1919 | if (in_vbell) { |
1920 | ticks = GetTickCount(); |
1921 | if (ticks - vbell_timeout >= 0) |
1922 | in_vbell = FALSE; |
1923 | } |
1924 | |
1925 | /* Depends on: |
1926 | * screen array, disptop, scrtop, |
1927 | * selection, rv, |
1928 | * cfg.blinkpc, blink_is_real, tblinker, |
4facdf84 |
1929 | * curs.y, curs.x, blinker, cfg.blink_cur, cursor_on, has_focus |
156686ef |
1930 | */ |
e14a5a13 |
1931 | if (cursor_on) { |
1932 | if (has_focus) { |
217dceef |
1933 | if (blinker || !cfg.blink_cur) |
1934 | cursor = ATTR_ACTCURS; |
1935 | else |
1936 | cursor = 0; |
e14a5a13 |
1937 | } |
1938 | else |
1939 | cursor = ATTR_PASCURS; |
4e30ff69 |
1940 | if (wrapnext) |
1941 | cursor |= ATTR_RIGHTCURS; |
e14a5a13 |
1942 | } |
156686ef |
1943 | else |
1944 | cursor = 0; |
1945 | rv = (!rvideo ^ !in_vbell ? ATTR_REVERSE : 0); |
4facdf84 |
1946 | our_curs_y = curs.y - disptop; |
374330e2 |
1947 | |
1948 | for (i=0; i<rows; i++) { |
4facdf84 |
1949 | unsigned long *ldata; |
1950 | int lattr; |
1951 | scrpos.y = i + disptop; |
1952 | ldata = lineptr(scrpos.y); |
1953 | lattr = (ldata[cols] & LATTR_MODE); |
1954 | for (j=0; j<=cols; j++) { |
1955 | unsigned long d = ldata[j]; |
1956 | int idx = i*(cols+1)+j; |
1957 | scrpos.x = j; |
1958 | |
1959 | wanttext[idx] = lattr | (((d &~ ATTR_WRAPPED) ^ rv |
1960 | ^ (posle(selstart, scrpos) && |
1961 | poslt(scrpos, selend) ? |
1962 | ATTR_REVERSE : 0)) | |
1963 | (i==our_curs_y && j==curs.x ? cursor : 0)); |
c9def1b8 |
1964 | if (blink_is_real) { |
1965 | if (has_focus && tblinker && (wanttext[idx]&ATTR_BLINK) ) |
1966 | { |
1967 | wanttext[idx] &= ATTR_MASK; |
1968 | wanttext[idx] += ' '; |
1969 | } |
1970 | wanttext[idx] &= ~ATTR_BLINK; |
1971 | } |
374330e2 |
1972 | } |
1973 | } |
1974 | |
1975 | /* |
1976 | * We would perform scrolling optimisations in here, if they |
1977 | * didn't have a nasty tendency to cause the whole sodding |
1978 | * program to hang for a second at speed-critical moments. |
1979 | * We'll leave it well alone... |
1980 | */ |
1981 | |
1982 | for (i=0; i<rows; i++) { |
1983 | int idx = i*(cols+1); |
c9def1b8 |
1984 | int lattr = (wanttext[idx+cols] & LATTR_MODE); |
374330e2 |
1985 | start = -1; |
1986 | for (j=0; j<=cols; j++,idx++) { |
1987 | unsigned long t = wanttext[idx]; |
1988 | int needs_update = (j < cols && t != disptext[idx]); |
1989 | int keep_going = (start != -1 && needs_update && |
1990 | (t & ATTR_MASK) == attr && |
1991 | j-start < sizeof(ch)); |
1992 | if (start != -1 && !keep_going) { |
c9def1b8 |
1993 | do_text (ctx, start, i, ch, j-start, attr, lattr); |
374330e2 |
1994 | start = -1; |
1995 | } |
1996 | if (needs_update) { |
1997 | if (start == -1) { |
1998 | start = j; |
1999 | attr = t & ATTR_MASK; |
2000 | } |
2001 | ch[j-start] = (char) (t & CHAR_MASK); |
2002 | } |
2003 | disptext[idx] = t; |
2004 | } |
2005 | } |
2006 | } |
2007 | |
2008 | /* |
e14a5a13 |
2009 | * Flick the switch that says if blinking things should be shown or hidden. |
2010 | */ |
2011 | |
2012 | void term_blink(int flg) { |
22dcdc3b |
2013 | static long last_blink = 0; |
2014 | static long last_tblink = 0; |
e14a5a13 |
2015 | long now, blink_diff; |
2016 | |
c9def1b8 |
2017 | now = GetTickCount(); |
2018 | blink_diff = now-last_tblink; |
2019 | |
2020 | /* Make sure the text blinks no more than 2Hz */ |
2021 | if (blink_diff<0 || blink_diff>450) |
2022 | { |
2023 | last_tblink = now; |
2024 | tblinker = !tblinker; |
2025 | } |
2026 | |
e14a5a13 |
2027 | if (flg) { |
2028 | blinker = 1; |
c9def1b8 |
2029 | last_blink = now; |
e14a5a13 |
2030 | return; |
2031 | } |
e14a5a13 |
2032 | |
2033 | blink_diff = now-last_blink; |
2034 | |
22dcdc3b |
2035 | /* Make sure the cursor blinks no faster than GetCaretBlinkTime() */ |
2036 | if (blink_diff>=0 && blink_diff<(long)GetCaretBlinkTime()) |
e14a5a13 |
2037 | return; |
2038 | |
2039 | last_blink = now; |
2040 | blinker = !blinker; |
2041 | } |
2042 | |
2043 | /* |
374330e2 |
2044 | * Invalidate the whole screen so it will be repainted in full. |
2045 | */ |
2046 | void term_invalidate(void) { |
2047 | int i; |
2048 | |
2049 | for (i=0; i<rows*(cols+1); i++) |
2050 | disptext[i] = ATTR_INVALID; |
2051 | } |
2052 | |
2053 | /* |
2054 | * Paint the window in response to a WM_PAINT message. |
2055 | */ |
2056 | void term_paint (Context ctx, int l, int t, int r, int b) { |
2057 | int i, j, left, top, right, bottom; |
2058 | |
2059 | left = l / font_width; |
2060 | right = (r - 1) / font_width; |
2061 | top = t / font_height; |
2062 | bottom = (b - 1) / font_height; |
e42ad027 |
2063 | for (i = top; i <= bottom && i < rows ; i++) |
c9def1b8 |
2064 | { |
2065 | if ( (disptext[i*(cols+1)+cols]&LATTR_MODE) == LATTR_NORM) |
2066 | for (j = left; j <= right && j < cols ; j++) |
2067 | disptext[i*(cols+1)+j] = ATTR_INVALID; |
2068 | else |
2069 | for (j = left/2; j <= right/2+1 && j < cols ; j++) |
2070 | disptext[i*(cols+1)+j] = ATTR_INVALID; |
2071 | } |
374330e2 |
2072 | |
e14a5a13 |
2073 | /* This should happen soon enough, also for some reason it sometimes |
2074 | * fails to actually do anything when re-sizing ... painting the wrong |
2075 | * window perhaps ? |
374330e2 |
2076 | do_paint (ctx, FALSE); |
e14a5a13 |
2077 | */ |
374330e2 |
2078 | } |
2079 | |
2080 | /* |
2081 | * Attempt to scroll the scrollback. The second parameter gives the |
2082 | * position we want to scroll to; the first is +1 to denote that |
2083 | * this position is relative to the beginning of the scrollback, -1 |
2084 | * to denote it is relative to the end, and 0 to denote that it is |
2085 | * relative to the current position. |
2086 | */ |
2087 | void term_scroll (int rel, int where) { |
4facdf84 |
2088 | int sbtop = -count234(scrollback); |
374330e2 |
2089 | |
4facdf84 |
2090 | disptop = (rel < 0 ? 0 : |
2091 | rel > 0 ? sbtop : disptop) + where; |
374330e2 |
2092 | if (disptop < sbtop) |
2093 | disptop = sbtop; |
4facdf84 |
2094 | if (disptop > 0) |
2095 | disptop = 0; |
374330e2 |
2096 | update_sbar(); |
2097 | term_update(); |
2098 | } |
2099 | |
4facdf84 |
2100 | static void clipme(pos top, pos bottom, char *workbuf) { |
bc1235d4 |
2101 | char *wbptr; /* where next char goes within workbuf */ |
2102 | int wblen = 0; /* workbuf len */ |
2103 | int buflen; /* amount of memory allocated to workbuf */ |
2104 | |
2105 | if ( workbuf != NULL ) { /* user supplied buffer? */ |
2106 | buflen = -1; /* assume buffer passed in is big enough */ |
2107 | wbptr = workbuf; /* start filling here */ |
2108 | } |
2109 | else |
2110 | buflen = 0; /* No data is available yet */ |
2111 | |
4facdf84 |
2112 | while (poslt(top, bottom)) { |
bc1235d4 |
2113 | int nl = FALSE; |
4facdf84 |
2114 | unsigned long *ldata = lineptr(top.y); |
260f3dec |
2115 | pos nlpos; |
4facdf84 |
2116 | |
2117 | nlpos.y = top.y; |
2118 | nlpos.x = cols; |
bc1235d4 |
2119 | |
4facdf84 |
2120 | if (!(ldata[cols] & ATTR_WRAPPED)) { |
2121 | while ((ldata[nlpos.x-1] & CHAR_MASK) == 0x20 && poslt(top, nlpos)) |
2122 | decpos(nlpos); |
2123 | if (poslt(nlpos, bottom)) |
bc1235d4 |
2124 | nl = TRUE; |
2125 | } |
4facdf84 |
2126 | while (poslt(top, bottom) && poslt(top, nlpos)) { |
2127 | int ch = (ldata[top.x] & CHAR_MASK); |
2128 | int set = (ldata[top.x] & CSET_MASK); |
d3a22f79 |
2129 | |
2130 | /* VT Specials -> ISO8859-1 for Cut&Paste */ |
2131 | static const unsigned char poorman2[] = |
bc1235d4 |
2132 | "* # HTFFCRLF\xB0 \xB1 NLVT+ + + + + - - - - - + + + + | <=>=PI!=\xA3 \xB7 "; |
bc1235d4 |
2133 | |
d3a22f79 |
2134 | if (set && !cfg.rawcnp) { |
2135 | if (set == ATTR_LINEDRW && ch >= 0x60 && ch < 0x7F) { |
2136 | int x; |
2137 | if ((x = poorman2[2*(ch-0x60)+1]) == ' ') |
2138 | x = 0; |
2139 | ch = (x<<8) + poorman2[2*(ch-0x60)]; |
2140 | } |
2141 | } |
bc1235d4 |
2142 | |
d3a22f79 |
2143 | while(ch != 0) { |
2144 | if (cfg.rawcnp || !!(ch&0xE0)) { |
2145 | if ( wblen == buflen ) |
2146 | { |
2147 | workbuf = srealloc(workbuf, buflen += 100); |
2148 | wbptr = workbuf + wblen; |
2149 | } |
2150 | wblen++; |
2151 | *wbptr++ = (unsigned char) ch; |
2152 | } |
2153 | ch>>=8; |
bc1235d4 |
2154 | } |
4facdf84 |
2155 | top.x++; |
bc1235d4 |
2156 | } |
2157 | if (nl) { |
2158 | int i; |
2159 | for (i=0; i<sizeof(sel_nl); i++) |
2160 | { |
2161 | if ( wblen == buflen ) |
2162 | { |
2163 | workbuf = srealloc(workbuf, buflen += 100); |
2164 | wbptr = workbuf + wblen; |
2165 | } |
2166 | wblen++; |
2167 | *wbptr++ = sel_nl[i]; |
2168 | } |
2169 | } |
4facdf84 |
2170 | top.y++; |
2171 | top.x = 0; |
bc1235d4 |
2172 | } |
2173 | write_clip (workbuf, wblen, FALSE); /* transfer to clipboard */ |
2174 | if ( buflen > 0 ) /* indicates we allocated this buffer */ |
2175 | sfree(workbuf); |
2176 | |
2177 | } |
2178 | void term_copyall (void) { |
4facdf84 |
2179 | pos top; |
2180 | top.y = -count234(scrollback); |
2181 | top.x = 0; |
2182 | clipme(top, curs, NULL /* dynamic allocation */); |
bc1235d4 |
2183 | } |
2184 | |
374330e2 |
2185 | /* |
2186 | * Spread the selection outwards according to the selection mode. |
2187 | */ |
4facdf84 |
2188 | static pos sel_spread_half (pos p, int dir) { |
2189 | unsigned long *ldata; |
374330e2 |
2190 | short wvalue; |
2191 | |
4facdf84 |
2192 | ldata = lineptr(p.y); |
374330e2 |
2193 | |
2194 | switch (selmode) { |
2195 | case SM_CHAR: |
2196 | /* |
2197 | * In this mode, every character is a separate unit, except |
2198 | * for runs of spaces at the end of a non-wrapping line. |
2199 | */ |
4facdf84 |
2200 | if (!(ldata[cols] & ATTR_WRAPPED)) { |
2201 | unsigned long *q = ldata+cols; |
2202 | while (q > ldata && (q[-1] & CHAR_MASK) == 0x20) |
374330e2 |
2203 | q--; |
4facdf84 |
2204 | if (q == ldata+cols) |
374330e2 |
2205 | q--; |
4facdf84 |
2206 | if (p.x >= q-ldata) |
2207 | p.x = (dir == -1 ? q-ldata : cols - 1); |
374330e2 |
2208 | } |
2209 | break; |
2210 | case SM_WORD: |
2211 | /* |
2212 | * In this mode, the units are maximal runs of characters |
2213 | * whose `wordness' has the same value. |
2214 | */ |
4facdf84 |
2215 | wvalue = wordness[ldata[p.x] & CHAR_MASK]; |
374330e2 |
2216 | if (dir == +1) { |
4facdf84 |
2217 | while (p.x < cols && wordness[ldata[p.x+1] & CHAR_MASK] == wvalue) |
2218 | p.x++; |
374330e2 |
2219 | } else { |
4facdf84 |
2220 | while (p.x > 0 && wordness[ldata[p.x-1] & CHAR_MASK] == wvalue) |
2221 | p.x--; |
374330e2 |
2222 | } |
2223 | break; |
2224 | case SM_LINE: |
2225 | /* |
2226 | * In this mode, every line is a unit. |
2227 | */ |
4facdf84 |
2228 | p.x = (dir == -1 ? 0 : cols - 1); |
374330e2 |
2229 | break; |
2230 | } |
2231 | return p; |
2232 | } |
2233 | |
2234 | static void sel_spread (void) { |
2235 | selstart = sel_spread_half (selstart, -1); |
4facdf84 |
2236 | decpos(selend); |
2237 | selend = sel_spread_half (selend, +1); |
2238 | incpos(selend); |
374330e2 |
2239 | } |
2240 | |
2241 | void term_mouse (Mouse_Button b, Mouse_Action a, int x, int y) { |
4facdf84 |
2242 | pos selpoint; |
2243 | unsigned long *ldata; |
37508af4 |
2244 | |
2245 | if (y<0) y = 0; |
2246 | if (y>=rows) y = rows-1; |
094ed2a6 |
2247 | if (x<0) { |
2248 | if (y > 0) { |
2249 | x = cols-1; |
2250 | y--; |
2251 | } else |
2252 | x = 0; |
2253 | } |
37508af4 |
2254 | if (x>=cols) x = cols-1; |
2255 | |
4facdf84 |
2256 | selpoint.y = y + disptop; |
2257 | selpoint.x = x; |
2258 | ldata = lineptr(selpoint.y); |
2259 | if ((ldata[cols]&LATTR_MODE) != LATTR_NORM) |
2260 | selpoint.x /= 2; |
374330e2 |
2261 | |
2262 | if (b == MB_SELECT && a == MA_CLICK) { |
2263 | deselect(); |
2264 | selstate = ABOUT_TO; |
2265 | selanchor = selpoint; |
2266 | selmode = SM_CHAR; |
2267 | } else if (b == MB_SELECT && (a == MA_2CLK || a == MA_3CLK)) { |
2268 | deselect(); |
2269 | selmode = (a == MA_2CLK ? SM_WORD : SM_LINE); |
2270 | selstate = DRAGGING; |
2271 | selstart = selanchor = selpoint; |
4facdf84 |
2272 | selend = selstart; |
2273 | incpos(selend); |
374330e2 |
2274 | sel_spread(); |
2275 | } else if ((b == MB_SELECT && a == MA_DRAG) || |
2276 | (b == MB_EXTEND && a != MA_RELEASE)) { |
4facdf84 |
2277 | if (selstate == ABOUT_TO && poseq(selanchor, selpoint)) |
374330e2 |
2278 | return; |
2279 | if (b == MB_EXTEND && a != MA_DRAG && selstate == SELECTED) { |
4facdf84 |
2280 | if (posdiff(selpoint,selstart) < posdiff(selend,selstart)/2) { |
2281 | selanchor = selend; |
2282 | decpos(selanchor); |
2283 | } else { |
374330e2 |
2284 | selanchor = selstart; |
4facdf84 |
2285 | } |
374330e2 |
2286 | selstate = DRAGGING; |
2287 | } |
2288 | if (selstate != ABOUT_TO && selstate != DRAGGING) |
2289 | selanchor = selpoint; |
2290 | selstate = DRAGGING; |
4facdf84 |
2291 | if (poslt(selpoint, selanchor)) { |
374330e2 |
2292 | selstart = selpoint; |
4facdf84 |
2293 | selend = selanchor; |
2294 | incpos(selend); |
374330e2 |
2295 | } else { |
2296 | selstart = selanchor; |
4facdf84 |
2297 | selend = selpoint; |
a4450583 |
2298 | incpos(selend); |
374330e2 |
2299 | } |
2300 | sel_spread(); |
2301 | } else if ((b == MB_SELECT || b == MB_EXTEND) && a == MA_RELEASE) { |
2302 | if (selstate == DRAGGING) { |
2303 | /* |
2304 | * We've completed a selection. We now transfer the |
2305 | * data to the clipboard. |
2306 | */ |
bc1235d4 |
2307 | clipme(selstart, selend, selspace); |
374330e2 |
2308 | selstate = SELECTED; |
2309 | } else |
2310 | selstate = NO_SELECTION; |
2311 | } else if (b == MB_PASTE && (a==MA_CLICK || a==MA_2CLK || a==MA_3CLK)) { |
2312 | char *data; |
2313 | int len; |
2314 | |
2315 | get_clip((void **) &data, &len); |
2316 | if (data) { |
2317 | char *p, *q; |
c9def1b8 |
2318 | |
2319 | if (paste_buffer) sfree(paste_buffer); |
2320 | paste_pos = paste_hold = paste_len = 0; |
2321 | paste_buffer = smalloc(len); |
2322 | |
374330e2 |
2323 | p = q = data; |
2324 | while (p < data+len) { |
2325 | while (p < data+len && |
2326 | !(p <= data+len-sizeof(sel_nl) && |
2327 | !memcmp(p, sel_nl, sizeof(sel_nl)))) |
2328 | p++; |
14963b8f |
2329 | |
2330 | { |
2331 | int i; |
2332 | unsigned char c; |
2333 | for(i=0;i<p-q;i++) |
2334 | { |
2335 | c=xlat_kbd2tty(q[i]); |
c9def1b8 |
2336 | paste_buffer[paste_len++] = c; |
14963b8f |
2337 | } |
2338 | } |
2339 | |
374330e2 |
2340 | if (p <= data+len-sizeof(sel_nl) && |
2341 | !memcmp(p, sel_nl, sizeof(sel_nl))) { |
c9def1b8 |
2342 | paste_buffer[paste_len++] = '\r'; |
374330e2 |
2343 | p += sizeof(sel_nl); |
2344 | } |
2345 | q = p; |
2346 | } |
c9def1b8 |
2347 | |
2348 | /* Assume a small paste will be OK in one go. */ |
2349 | if (paste_len<256) { |
0965bee0 |
2350 | ldisc_send (paste_buffer, paste_len); |
c9def1b8 |
2351 | if (paste_buffer) sfree(paste_buffer); |
2352 | paste_buffer = 0; |
2353 | paste_pos = paste_hold = paste_len = 0; |
2354 | } |
374330e2 |
2355 | } |
2356 | get_clip(NULL, NULL); |
2357 | } |
2358 | |
2359 | term_update(); |
2360 | } |
2361 | |
c9def1b8 |
2362 | void term_nopaste() { |
2363 | if(paste_len == 0) return; |
2364 | sfree(paste_buffer); |
2365 | paste_buffer = 0; |
2366 | paste_len = 0; |
2367 | } |
2368 | |
2369 | void term_paste() { |
8df7a775 |
2370 | static long last_paste = 0; |
c9def1b8 |
2371 | long now, paste_diff; |
2372 | |
2373 | if(paste_len == 0) return; |
2374 | |
2375 | /* Don't wait forever to paste */ |
2376 | if(paste_hold) { |
2377 | now = GetTickCount(); |
2378 | paste_diff = now-last_paste; |
2379 | if (paste_diff>=0 && paste_diff<450) |
2380 | return; |
2381 | } |
2382 | paste_hold = 0; |
2383 | |
2384 | while(paste_pos<paste_len) |
2385 | { |
8df7a775 |
2386 | int n = 0; |
2387 | while (n + paste_pos < paste_len) { |
2388 | if (paste_buffer[paste_pos + n++] == '\r') |
2389 | break; |
2390 | } |
0965bee0 |
2391 | ldisc_send (paste_buffer+paste_pos, n); |
8df7a775 |
2392 | paste_pos += n; |
c9def1b8 |
2393 | |
8df7a775 |
2394 | if (paste_pos < paste_len) { |
c9def1b8 |
2395 | paste_hold = 1; |
2396 | return; |
2397 | } |
2398 | } |
2399 | sfree(paste_buffer); |
2400 | paste_buffer = 0; |
2401 | paste_len = 0; |
2402 | } |
2403 | |
374330e2 |
2404 | static void deselect (void) { |
2405 | selstate = NO_SELECTION; |
4facdf84 |
2406 | selstart.x = selstart.y = selend.x = selend.y = 0; |
374330e2 |
2407 | } |
2408 | |
2409 | void term_deselect (void) { |
2410 | deselect(); |
2411 | term_update(); |
2412 | } |
fe50e814 |
2413 | |
0965bee0 |
2414 | int term_ldisc(int option) { |
2415 | if (option == LD_ECHO) return term_echoing; |
2416 | if (option == LD_EDIT) return term_editing; |
2417 | return FALSE; |
2418 | } |
2419 | |
fe50e814 |
2420 | /* |
2421 | * from_backend(), to get data from the backend for the terminal. |
2422 | */ |
2423 | void from_backend(int is_stderr, char *data, int len) { |
2424 | while (len--) { |
2425 | if (inbuf_head >= INBUF_SIZE) |
2426 | term_out(); |
2427 | inbuf[inbuf_head++] = *data++; |
2428 | } |
2429 | } |
e1c8e0ed |
2430 | |
2431 | /* |
2432 | * Log session traffic. |
2433 | */ |
2434 | void logtraffic(unsigned char c, int logmode) { |
2435 | if (cfg.logtype > 0) { |
2436 | if (cfg.logtype == logmode) { |
2437 | /* deferred open file from pgm start? */ |
2438 | if (!lgfp) logfopen(); |
2439 | if (lgfp) fputc (c, lgfp); |
2440 | } |
2441 | } |
2442 | } |
2443 | |
2444 | /* open log file append/overwrite mode */ |
2445 | void logfopen(void) { |
2446 | char buf[256]; |
2447 | time_t t; |
2448 | struct tm *tm; |
2449 | char writemod[4]; |
2450 | |
2451 | if (!cfg.logtype) |
2452 | return; |
2453 | sprintf (writemod, "wb"); /* default to rewrite */ |
2454 | lgfp = fopen(cfg.logfilename, "r"); /* file already present? */ |
2455 | if (lgfp) { |
2456 | int i; |
2457 | fclose(lgfp); |
2458 | i = askappend(cfg.logfilename); |
2459 | if (i == 1) |
2460 | writemod[0] = 'a'; /* set append mode */ |
2461 | else if (i == 0) { /* cancelled */ |
2462 | lgfp = NULL; |
e4b0ba16 |
2463 | cfg.logtype = 0; /* disable logging */ |
e1c8e0ed |
2464 | return; |
2465 | } |
2466 | } |
2467 | |
2468 | lgfp = fopen(cfg.logfilename, writemod); |
2469 | if (lgfp) { /* enter into event log */ |
2470 | sprintf(buf, "%s session log (%s mode) to file : ", |
2471 | (writemod[0] == 'a') ? "Appending" : "Writing new", |
2472 | (cfg.logtype == LGTYP_ASCII ? "ASCII" : |
2473 | cfg.logtype == LGTYP_DEBUG ? "raw" : "<ukwn>") ); |
2474 | /* Make sure we do not exceed the output buffer size */ |
2475 | strncat (buf, cfg.logfilename, 128); |
2476 | buf[strlen(buf)] = '\0'; |
2477 | logevent(buf); |
2478 | |
2479 | /* --- write header line iinto log file */ |
2480 | fputs ("=~=~=~=~=~=~=~=~=~=~=~= PuTTY log ", lgfp); |
2481 | time(&t); |
2482 | tm = localtime(&t); |
2483 | strftime(buf, 24, "%Y.%m.%d %H:%M:%S", tm); |
2484 | fputs (buf, lgfp); |
2485 | fputs (" =~=~=~=~=~=~=~=~=~=~=~=\r\n", lgfp); |
2486 | } |
2487 | } |
2488 | |
2489 | void logfclose (void) { |
2490 | if (lgfp) { fclose(lgfp); lgfp = NULL; } |
2491 | } |