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" |
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11 | |
4eeb7d09 |
12 | #define VT52_PLUS |
13 | |
32874aea |
14 | #define CL_ANSIMIN 0x0001 /* Codes in all ANSI like terminals. */ |
15 | #define CL_VT100 0x0002 /* VT100 */ |
16 | #define CL_VT100AVO 0x0004 /* VT100 +AVO; 132x24 (not 132x14) & attrs */ |
17 | #define CL_VT102 0x0008 /* VT102 */ |
18 | #define CL_VT220 0x0010 /* VT220 */ |
19 | #define CL_VT320 0x0020 /* VT320 */ |
20 | #define CL_VT420 0x0040 /* VT420 */ |
21 | #define CL_VT510 0x0080 /* VT510, NB VT510 includes ANSI */ |
22 | #define CL_VT340TEXT 0x0100 /* VT340 extensions that appear in the VT420 */ |
23 | #define CL_SCOANSI 0x1000 /* SCOANSI not in ANSIMIN. */ |
24 | #define CL_ANSI 0x2000 /* ANSI ECMA-48 not in the VT100..VT420 */ |
25 | #define CL_OTHER 0x4000 /* Others, Xterm, linux, putty, dunno, etc */ |
e14a5a13 |
26 | |
c9def1b8 |
27 | #define TM_VT100 (CL_ANSIMIN|CL_VT100) |
28 | #define TM_VT100AVO (TM_VT100|CL_VT100AVO) |
29 | #define TM_VT102 (TM_VT100AVO|CL_VT102) |
30 | #define TM_VT220 (TM_VT102|CL_VT220) |
31 | #define TM_VTXXX (TM_VT220|CL_VT340TEXT|CL_VT510|CL_VT420|CL_VT320) |
32 | #define TM_SCOANSI (CL_ANSIMIN|CL_SCOANSI) |
33 | |
34 | #define TM_PUTTY (0xFFFF) |
e14a5a13 |
35 | |
36 | #define compatibility(x) \ |
37 | if ( ((CL_##x)&compatibility_level) == 0 ) { \ |
38 | termstate=TOPLEVEL; \ |
39 | break; \ |
40 | } |
c9def1b8 |
41 | #define compatibility2(x,y) \ |
42 | if ( ((CL_##x|CL_##y)&compatibility_level) == 0 ) { \ |
43 | termstate=TOPLEVEL; \ |
44 | break; \ |
45 | } |
e14a5a13 |
46 | |
47 | #define has_compat(x) ( ((CL_##x)&compatibility_level) != 0 ) |
48 | |
49 | static int compatibility_level = TM_PUTTY; |
50 | |
4facdf84 |
51 | static tree234 *scrollback; /* lines scrolled off top of screen */ |
52 | static tree234 *screen; /* lines on primary screen */ |
53 | static tree234 *alt_screen; /* lines on alternate screen */ |
c83de303 |
54 | static int disptop; /* distance scrolled back (0 or -ve) */ |
e14a5a13 |
55 | |
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56 | static unsigned long *cpos; /* cursor position (convenience) */ |
4facdf84 |
57 | |
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58 | static unsigned long *disptext; /* buffer of text on real screen */ |
4eeb7d09 |
59 | static unsigned long *dispcurs; /* location of cursor on real screen */ |
60 | static unsigned long curstype; /* type of cursor on real screen */ |
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61 | |
c83de303 |
62 | #define VBELL_TIMEOUT 100 /* millisecond len of visual bell */ |
156686ef |
63 | |
64 | struct beeptime { |
65 | struct beeptime *next; |
66 | long ticks; |
67 | }; |
68 | static struct beeptime *beephead, *beeptail; |
69 | int nbeeps; |
70 | int beep_overloaded; |
71 | long lastbeep; |
72 | |
4facdf84 |
73 | #define TSIZE (sizeof(unsigned long)) |
c83de303 |
74 | #define fix_cpos do { cpos = lineptr(curs.y) + curs.x; } while(0) |
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75 | |
76 | static unsigned long curr_attr, save_attr; |
e14a5a13 |
77 | static unsigned long erase_char = ERASE_CHAR; |
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78 | |
4facdf84 |
79 | typedef struct { |
80 | int y, x; |
81 | } pos; |
82 | #define poslt(p1,p2) ( (p1).y < (p2).y || ( (p1).y == (p2).y && (p1).x < (p2).x ) ) |
83 | #define posle(p1,p2) ( (p1).y < (p2).y || ( (p1).y == (p2).y && (p1).x <= (p2).x ) ) |
84 | #define poseq(p1,p2) ( (p1).y == (p2).y && (p1).x == (p2).x ) |
85 | #define posdiff(p1,p2) ( ((p2).y - (p1).y) * (cols+1) + (p2).x - (p1).x ) |
86 | #define incpos(p) ( (p).x == cols ? ((p).x = 0, (p).y++, 1) : ((p).x++, 0) ) |
87 | #define decpos(p) ( (p).x == 0 ? ((p).x = cols, (p).y--, 1) : ((p).x--, 0) ) |
88 | |
89 | static pos curs; /* cursor */ |
90 | static pos savecurs; /* saved cursor position */ |
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91 | static int marg_t, marg_b; /* scroll margins */ |
92 | static int dec_om; /* DEC origin mode flag */ |
93 | static int wrap, wrapnext; /* wrap flags */ |
94 | static int insert; /* insert-mode flag */ |
95 | static int cset; /* 0 or 1: which char set */ |
96 | static int save_cset, save_csattr; /* saved with cursor position */ |
97 | static int rvideo; /* global reverse video flag */ |
c83de303 |
98 | static int rvbell_timeout; /* for ESC[?5hESC[?5l vbell */ |
e14a5a13 |
99 | static int cursor_on; /* cursor enabled flag */ |
100 | static int reset_132; /* Flag ESC c resets to 80 cols */ |
101 | static int use_bce; /* Use Background coloured erase */ |
102 | static int blinker; /* When blinking is the cursor on ? */ |
c9def1b8 |
103 | static int tblinker; /* When the blinking text is on */ |
104 | static int blink_is_real; /* Actually blink blinking text */ |
32874aea |
105 | static int term_echoing; /* Does terminal want local echo? */ |
106 | static int term_editing; /* Does terminal want local edit? */ |
4eeb7d09 |
107 | static int vt52_bold; /* Force bold on non-bold colours */ |
108 | static int utf_state; /* Is there a pending UTF-8 character */ |
109 | static int utf_char; /* and what is it so far. */ |
110 | static int utf_size; /* The size of the UTF character. */ |
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111 | |
32874aea |
112 | static int xterm_mouse; /* send mouse messages to app */ |
01c034ad |
113 | |
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114 | static unsigned long cset_attr[2]; |
115 | |
116 | /* |
117 | * Saved settings on the alternate screen. |
118 | */ |
119 | static int alt_x, alt_y, alt_om, alt_wrap, alt_wnext, alt_ins, alt_cset; |
120 | static int alt_t, alt_b; |
121 | static int alt_which; |
122 | |
123 | #define ARGS_MAX 32 /* max # of esc sequence arguments */ |
064916ea |
124 | #define ARG_DEFAULT 0 /* if an arg isn't specified */ |
374330e2 |
125 | #define def(a,d) ( (a) == ARG_DEFAULT ? (d) : (a) ) |
126 | static int esc_args[ARGS_MAX]; |
127 | static int esc_nargs; |
128 | static int esc_query; |
8b811b12 |
129 | #define ANSI(x,y) ((x)+((y)<<8)) |
130 | #define ANSI_QUE(x) ANSI(x,TRUE) |
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131 | |
132 | #define OSC_STR_MAX 2048 |
133 | static int osc_strlen; |
32874aea |
134 | static char osc_string[OSC_STR_MAX + 1]; |
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135 | static int osc_w; |
136 | |
c9def1b8 |
137 | static char id_string[1024] = "\033[?6c"; |
138 | |
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139 | static unsigned char *tabs; |
140 | |
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141 | static enum { |
cabfd08c |
142 | TOPLEVEL, |
143 | SEEN_ESC, |
144 | SEEN_CSI, |
145 | SEEN_OSC, |
146 | SEEN_OSC_W, |
147 | |
148 | DO_CTRLS, |
149 | |
cabfd08c |
150 | SEEN_OSC_P, |
151 | OSC_STRING, OSC_MAYBE_ST, |
e14a5a13 |
152 | VT52_ESC, |
153 | VT52_Y1, |
4eeb7d09 |
154 | VT52_Y2, |
155 | VT52_FG, |
156 | VT52_BG |
374330e2 |
157 | } termstate; |
158 | |
159 | static enum { |
160 | NO_SELECTION, ABOUT_TO, DRAGGING, SELECTED |
161 | } selstate; |
162 | static enum { |
163 | SM_CHAR, SM_WORD, SM_LINE |
164 | } selmode; |
4facdf84 |
165 | static pos selstart, selend, selanchor; |
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166 | |
167 | static short wordness[256] = { |
32874aea |
168 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
169 | 0, 0, 0, 0, 0, 0, 0, 0, /* 01 */ |
170 | 0, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
171 | 2, 2, 1, 1, 1, 1, 1, 1, /* 23 */ |
172 | 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
173 | 2, 2, 2, 1, 1, 1, 1, 2, /* 45 */ |
174 | 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
175 | 2, 2, 2, 1, 1, 1, 1, 1, /* 67 */ |
176 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
177 | 1, 1, 1, 1, 1, 1, 1, 1, /* 89 */ |
178 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
179 | 1, 1, 1, 1, 1, 1, 1, 1, /* AB */ |
180 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, |
181 | 2, 2, 2, 2, 2, 2, 2, 2, /* CD */ |
182 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, |
183 | 2, 2, 2, 2, 2, 2, 2, 2, /* EF */ |
374330e2 |
184 | }; |
185 | |
4eeb7d09 |
186 | #define sel_nl_sz (sizeof(sel_nl)/sizeof(wchar_t)) |
187 | static wchar_t sel_nl[] = SEL_NL; |
188 | static wchar_t *paste_buffer = 0; |
c9def1b8 |
189 | static int paste_len, paste_pos, paste_hold; |
374330e2 |
190 | |
191 | /* |
192 | * Internal prototypes. |
193 | */ |
32874aea |
194 | static void do_paint(Context, int); |
195 | static void erase_lots(int, int, int); |
196 | static void swap_screen(int); |
197 | static void update_sbar(void); |
198 | static void deselect(void); |
e1c8e0ed |
199 | /* log session to file stuff ... */ |
200 | static FILE *lgfp = NULL; |
201 | static void logtraffic(unsigned char c, int logmode); |
374330e2 |
202 | |
203 | /* |
c83de303 |
204 | * Retrieve a line of the screen or of the scrollback, according to |
205 | * whether the y coordinate is non-negative or negative |
206 | * (respectively). |
207 | */ |
32874aea |
208 | unsigned long *lineptr(int y, int lineno) |
209 | { |
c83de303 |
210 | unsigned long *line, lineattrs; |
211 | tree234 *whichtree; |
212 | int i, treeindex, oldlen; |
213 | |
214 | if (y >= 0) { |
215 | whichtree = screen; |
216 | treeindex = y; |
217 | } else { |
218 | whichtree = scrollback; |
219 | treeindex = y + count234(scrollback); |
220 | } |
221 | line = index234(whichtree, treeindex); |
222 | |
223 | /* We assume that we don't screw up and retrieve something out of range. */ |
c83de303 |
224 | assert(line != NULL); |
c83de303 |
225 | |
226 | if (line[0] != cols) { |
227 | /* |
228 | * This line is the wrong length, which probably means it |
229 | * hasn't been accessed since a resize. Resize it now. |
230 | */ |
231 | oldlen = line[0]; |
32874aea |
232 | lineattrs = line[oldlen + 1]; |
c83de303 |
233 | delpos234(whichtree, treeindex); |
32874aea |
234 | line = srealloc(line, TSIZE * (2 + cols)); |
c83de303 |
235 | line[0] = cols; |
236 | for (i = oldlen; i < cols; i++) |
32874aea |
237 | line[i + 1] = ERASE_CHAR; |
238 | line[cols + 1] = lineattrs & LATTR_MODE; |
c83de303 |
239 | addpos234(whichtree, line, treeindex); |
240 | } |
241 | |
32874aea |
242 | return line + 1; |
c83de303 |
243 | } |
32874aea |
244 | |
c83de303 |
245 | #define lineptr(x) lineptr(x,__LINE__) |
246 | /* |
374330e2 |
247 | * Set up power-on settings for the terminal. |
248 | */ |
32874aea |
249 | static void power_on(void) |
250 | { |
4facdf84 |
251 | curs.x = curs.y = alt_x = alt_y = savecurs.x = savecurs.y = 0; |
374330e2 |
252 | alt_t = marg_t = 0; |
253 | if (rows != -1) |
254 | alt_b = marg_b = rows - 1; |
255 | else |
256 | alt_b = marg_b = 0; |
257 | if (cols != -1) { |
258 | int i; |
259 | for (i = 0; i < cols; i++) |
260 | tabs[i] = (i % 8 == 0 ? TRUE : FALSE); |
261 | } |
262 | alt_om = dec_om = cfg.dec_om; |
263 | alt_wnext = wrapnext = alt_ins = insert = FALSE; |
264 | alt_wrap = wrap = cfg.wrap_mode; |
265 | alt_cset = cset = 0; |
266 | cset_attr[0] = cset_attr[1] = ATTR_ASCII; |
267 | rvideo = 0; |
156686ef |
268 | in_vbell = FALSE; |
e14a5a13 |
269 | cursor_on = 1; |
4eeb7d09 |
270 | big_cursor = 0; |
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271 | save_attr = curr_attr = ATTR_DEFAULT; |
0965bee0 |
272 | term_editing = term_echoing = FALSE; |
32874aea |
273 | ldisc_send(NULL, 0); /* cause ldisc to notice changes */ |
374330e2 |
274 | app_cursor_keys = cfg.app_cursor; |
275 | app_keypad_keys = cfg.app_keypad; |
c9def1b8 |
276 | use_bce = cfg.bce; |
277 | blink_is_real = cfg.blinktext; |
e14a5a13 |
278 | erase_char = ERASE_CHAR; |
374330e2 |
279 | alt_which = 0; |
280 | { |
281 | int i; |
282 | for (i = 0; i < 256; i++) |
283 | wordness[i] = cfg.wordness[i]; |
284 | } |
4facdf84 |
285 | if (screen) { |
32874aea |
286 | swap_screen(1); |
287 | erase_lots(FALSE, TRUE, TRUE); |
288 | swap_screen(0); |
289 | erase_lots(FALSE, TRUE, TRUE); |
374330e2 |
290 | } |
291 | } |
292 | |
293 | /* |
294 | * Force a screen update. |
295 | */ |
32874aea |
296 | void term_update(void) |
297 | { |
374330e2 |
298 | Context ctx; |
299 | ctx = get_ctx(); |
300 | if (ctx) { |
32874aea |
301 | if ((seen_key_event && (cfg.scroll_on_key)) || |
302 | (seen_disp_event && (cfg.scroll_on_disp))) { |
4facdf84 |
303 | disptop = 0; /* return to main screen */ |
cabfd08c |
304 | seen_disp_event = seen_key_event = 0; |
8ac3e544 |
305 | update_sbar(); |
cabfd08c |
306 | } |
32874aea |
307 | do_paint(ctx, TRUE); |
308 | sys_cursor(curs.x, curs.y - disptop); |
309 | free_ctx(ctx); |
374330e2 |
310 | } |
311 | } |
312 | |
313 | /* |
314 | * Same as power_on(), but an external function. |
315 | */ |
32874aea |
316 | void term_pwron(void) |
317 | { |
374330e2 |
318 | power_on(); |
319 | fix_cpos; |
4facdf84 |
320 | disptop = 0; |
374330e2 |
321 | deselect(); |
322 | term_update(); |
323 | } |
324 | |
325 | /* |
326 | * Clear the scrollback. |
327 | */ |
32874aea |
328 | void term_clrsb(void) |
329 | { |
4facdf84 |
330 | unsigned long *line; |
331 | disptop = 0; |
332 | while ((line = delpos234(scrollback, 0)) != NULL) { |
333 | sfree(line); |
334 | } |
374330e2 |
335 | update_sbar(); |
336 | } |
337 | |
338 | /* |
339 | * Initialise the terminal. |
340 | */ |
32874aea |
341 | void term_init(void) |
342 | { |
4facdf84 |
343 | screen = alt_screen = scrollback = NULL; |
344 | disptop = 0; |
4eeb7d09 |
345 | disptext = dispcurs = NULL; |
374330e2 |
346 | tabs = NULL; |
374330e2 |
347 | deselect(); |
348 | rows = cols = -1; |
374330e2 |
349 | power_on(); |
156686ef |
350 | beephead = beeptail = NULL; |
351 | nbeeps = 0; |
352 | lastbeep = FALSE; |
353 | beep_overloaded = FALSE; |
374330e2 |
354 | } |
355 | |
356 | /* |
357 | * Set up the terminal for a given size. |
358 | */ |
32874aea |
359 | void term_size(int newrows, int newcols, int newsavelines) |
360 | { |
4facdf84 |
361 | tree234 *newsb, *newscreen, *newalt; |
4eeb7d09 |
362 | unsigned long *newdisp, *oldline, *line; |
260f3dec |
363 | int i, j, ccols; |
c83de303 |
364 | int sblen; |
d6832394 |
365 | int save_alt_which = alt_which; |
366 | |
374330e2 |
367 | if (newrows == rows && newcols == cols && newsavelines == savelines) |
368 | return; /* nothing to do */ |
369 | |
d6832394 |
370 | deselect(); |
371 | swap_screen(0); |
372 | |
374330e2 |
373 | alt_t = marg_t = 0; |
374 | alt_b = marg_b = newrows - 1; |
375 | |
c83de303 |
376 | if (rows == -1) { |
377 | scrollback = newtree234(NULL); |
378 | screen = newtree234(NULL); |
379 | rows = 0; |
380 | } |
381 | |
382 | /* |
383 | * Resize the screen and scrollback. We only need to shift |
384 | * lines around within our data structures, because lineptr() |
385 | * will take care of resizing each individual line if |
386 | * necessary. So: |
387 | * |
388 | * - If the new screen and the old screen differ in length, we |
389 | * must shunt some lines in from the scrollback or out to |
390 | * the scrollback. |
391 | * |
392 | * - If doing that fails to provide us with enough material to |
393 | * fill the new screen (i.e. the number of rows needed in |
394 | * the new screen exceeds the total number in the previous |
395 | * screen+scrollback), we must invent some blank lines to |
396 | * cover the gap. |
397 | * |
398 | * - Then, if the new scrollback length is less than the |
399 | * amount of scrollback we actually have, we must throw some |
400 | * away. |
401 | */ |
402 | sblen = count234(scrollback); |
cdd6c586 |
403 | /* Do this loop to expand the screen if newrows > rows */ |
404 | for (i = rows; i < newrows; i++) { |
32874aea |
405 | if (sblen > 0) { |
406 | line = delpos234(scrollback, --sblen); |
407 | } else { |
408 | line = smalloc(TSIZE * (newcols + 2)); |
409 | line[0] = newcols; |
410 | for (j = 0; j <= newcols; j++) |
411 | line[j + 1] = ERASE_CHAR; |
412 | } |
413 | addpos234(screen, line, 0); |
cdd6c586 |
414 | } |
415 | /* Do this loop to shrink the screen if newrows < rows */ |
416 | for (i = newrows; i < rows; i++) { |
32874aea |
417 | line = delpos234(screen, 0); |
418 | addpos234(scrollback, line, sblen++); |
c83de303 |
419 | } |
420 | assert(count234(screen) == newrows); |
421 | while (sblen > newsavelines) { |
422 | line = delpos234(scrollback, 0); |
423 | sfree(line); |
424 | sblen--; |
c9def1b8 |
425 | } |
c83de303 |
426 | assert(count234(scrollback) <= newsavelines); |
4facdf84 |
427 | disptop = 0; |
374330e2 |
428 | |
32874aea |
429 | newdisp = smalloc(newrows * (newcols + 1) * TSIZE); |
430 | for (i = 0; i < newrows * (newcols + 1); i++) |
374330e2 |
431 | newdisp[i] = ATTR_INVALID; |
32874aea |
432 | sfree(disptext); |
374330e2 |
433 | disptext = newdisp; |
4eeb7d09 |
434 | dispcurs = NULL; |
374330e2 |
435 | |
4facdf84 |
436 | newalt = newtree234(NULL); |
32874aea |
437 | for (i = 0; i < newrows; i++) { |
438 | line = smalloc(TSIZE * (newcols + 2)); |
c83de303 |
439 | line[0] = newcols; |
4facdf84 |
440 | for (j = 0; j <= newcols; j++) |
32874aea |
441 | line[j + 1] = erase_char; |
4facdf84 |
442 | addpos234(newalt, line, i); |
443 | } |
444 | if (alt_screen) { |
445 | while (NULL != (line = delpos234(alt_screen, 0))) |
446 | sfree(line); |
447 | freetree234(alt_screen); |
448 | } |
449 | alt_screen = newalt; |
374330e2 |
450 | |
32874aea |
451 | tabs = srealloc(tabs, newcols * sizeof(*tabs)); |
374330e2 |
452 | { |
453 | int i; |
454 | for (i = (cols > 0 ? cols : 0); i < newcols; i++) |
455 | tabs[i] = (i % 8 == 0 ? TRUE : FALSE); |
456 | } |
457 | |
458 | if (rows > 0) |
4facdf84 |
459 | curs.y += newrows - rows; |
460 | if (curs.y < 0) |
461 | curs.y = 0; |
462 | if (curs.y >= newrows) |
32874aea |
463 | curs.y = newrows - 1; |
4facdf84 |
464 | if (curs.x >= newcols) |
32874aea |
465 | curs.x = newcols - 1; |
374330e2 |
466 | alt_x = alt_y = 0; |
467 | wrapnext = alt_wnext = FALSE; |
468 | |
469 | rows = newrows; |
470 | cols = newcols; |
471 | savelines = newsavelines; |
472 | fix_cpos; |
473 | |
d6832394 |
474 | swap_screen(save_alt_which); |
475 | |
374330e2 |
476 | update_sbar(); |
477 | term_update(); |
478 | } |
479 | |
480 | /* |
481 | * Swap screens. |
482 | */ |
32874aea |
483 | static void swap_screen(int which) |
484 | { |
374330e2 |
485 | int t; |
4facdf84 |
486 | tree234 *ttr; |
374330e2 |
487 | |
488 | if (which == alt_which) |
489 | return; |
490 | |
491 | alt_which = which; |
492 | |
32874aea |
493 | ttr = alt_screen; |
494 | alt_screen = screen; |
495 | screen = ttr; |
496 | t = curs.x; |
497 | curs.x = alt_x; |
498 | alt_x = t; |
499 | t = curs.y; |
500 | curs.y = alt_y; |
501 | alt_y = t; |
502 | t = marg_t; |
503 | marg_t = alt_t; |
504 | alt_t = t; |
505 | t = marg_b; |
506 | marg_b = alt_b; |
507 | alt_b = t; |
508 | t = dec_om; |
509 | dec_om = alt_om; |
510 | alt_om = t; |
511 | t = wrap; |
512 | wrap = alt_wrap; |
513 | alt_wrap = t; |
514 | t = wrapnext; |
515 | wrapnext = alt_wnext; |
516 | alt_wnext = t; |
517 | t = insert; |
518 | insert = alt_ins; |
519 | alt_ins = t; |
520 | t = cset; |
521 | cset = alt_cset; |
522 | alt_cset = t; |
374330e2 |
523 | |
524 | fix_cpos; |
525 | } |
526 | |
527 | /* |
374330e2 |
528 | * Update the scroll bar. |
529 | */ |
32874aea |
530 | static void update_sbar(void) |
531 | { |
260f3dec |
532 | int nscroll; |
374330e2 |
533 | |
4facdf84 |
534 | nscroll = count234(scrollback); |
535 | |
32874aea |
536 | set_sbar(nscroll + rows, nscroll + disptop, rows); |
374330e2 |
537 | } |
538 | |
539 | /* |
540 | * Check whether the region bounded by the two pointers intersects |
541 | * the scroll region, and de-select the on-screen selection if so. |
542 | */ |
32874aea |
543 | static void check_selection(pos from, pos to) |
544 | { |
4facdf84 |
545 | if (poslt(from, selend) && poslt(selstart, to)) |
374330e2 |
546 | deselect(); |
547 | } |
548 | |
549 | /* |
550 | * Scroll the screen. (`lines' is +ve for scrolling forward, -ve |
551 | * for backward.) `sb' is TRUE if the scrolling is permitted to |
552 | * affect the scrollback buffer. |
a4450583 |
553 | * |
554 | * NB this function invalidates all pointers into lines of the |
555 | * screen data structures. In particular, you MUST call fix_cpos |
556 | * after calling scroll() and before doing anything else that |
557 | * uses the cpos shortcut pointer. |
374330e2 |
558 | */ |
32874aea |
559 | static void scroll(int topline, int botline, int lines, int sb) |
560 | { |
4facdf84 |
561 | unsigned long *line, *line2; |
562 | int i; |
c9def1b8 |
563 | |
7af9fa7f |
564 | if (topline != 0 || alt_which != 0) |
4facdf84 |
565 | sb = FALSE; |
566 | |
567 | if (lines < 0) { |
568 | while (lines < 0) { |
569 | line = delpos234(screen, botline); |
570 | for (i = 0; i < cols; i++) |
32874aea |
571 | line[i + 1] = erase_char; |
572 | line[cols + 1] = 0; |
4facdf84 |
573 | addpos234(screen, line, topline); |
574 | |
575 | if (selstart.y >= topline && selstart.y <= botline) { |
576 | selstart.y++; |
577 | if (selstart.y > botline) { |
578 | selstart.y = botline; |
579 | selstart.x = 0; |
c9def1b8 |
580 | } |
c9def1b8 |
581 | } |
4facdf84 |
582 | if (selend.y >= topline && selend.y <= botline) { |
583 | selend.y++; |
584 | if (selend.y > botline) { |
585 | selend.y = botline; |
586 | selend.x = 0; |
c9def1b8 |
587 | } |
c9def1b8 |
588 | } |
c9def1b8 |
589 | |
4facdf84 |
590 | lines++; |
c9def1b8 |
591 | } |
374330e2 |
592 | } else { |
4facdf84 |
593 | while (lines > 0) { |
594 | line = delpos234(screen, topline); |
c83de303 |
595 | if (sb && savelines > 0) { |
4facdf84 |
596 | int sblen = count234(scrollback); |
597 | /* |
598 | * We must add this line to the scrollback. We'll |
599 | * remove a line from the top of the scrollback to |
600 | * replace it, or allocate a new one if the |
601 | * scrollback isn't full. |
602 | */ |
c83de303 |
603 | if (sblen == savelines) { |
4facdf84 |
604 | sblen--, line2 = delpos234(scrollback, 0); |
c83de303 |
605 | } else { |
32874aea |
606 | line2 = smalloc(TSIZE * (cols + 2)); |
c83de303 |
607 | line2[0] = cols; |
608 | } |
4facdf84 |
609 | addpos234(scrollback, line, sblen); |
610 | line = line2; |
611 | } |
612 | for (i = 0; i < cols; i++) |
32874aea |
613 | line[i + 1] = erase_char; |
614 | line[cols + 1] = 0; |
4facdf84 |
615 | addpos234(screen, line, botline); |
616 | |
617 | if (selstart.y >= topline && selstart.y <= botline) { |
618 | selstart.y--; |
619 | if (selstart.y < topline) { |
620 | selstart.y = topline; |
621 | selstart.x = 0; |
622 | } |
623 | } |
624 | if (selend.y >= topline && selend.y <= botline) { |
625 | selend.y--; |
626 | if (selend.y < topline) { |
627 | selend.y = topline; |
628 | selend.x = 0; |
629 | } |
630 | } |
631 | |
632 | lines--; |
c9def1b8 |
633 | } |
374330e2 |
634 | } |
374330e2 |
635 | } |
636 | |
637 | /* |
638 | * Move the cursor to a given position, clipping at boundaries. We |
639 | * may or may not want to clip at the scroll margin: marg_clip is 0 |
640 | * not to, 1 to disallow _passing_ the margins, and 2 to disallow |
641 | * even _being_ outside the margins. |
642 | */ |
32874aea |
643 | static void move(int x, int y, int marg_clip) |
644 | { |
374330e2 |
645 | if (x < 0) |
646 | x = 0; |
647 | if (x >= cols) |
32874aea |
648 | x = cols - 1; |
374330e2 |
649 | if (marg_clip) { |
4facdf84 |
650 | if ((curs.y >= marg_t || marg_clip == 2) && y < marg_t) |
374330e2 |
651 | y = marg_t; |
4facdf84 |
652 | if ((curs.y <= marg_b || marg_clip == 2) && y > marg_b) |
374330e2 |
653 | y = marg_b; |
654 | } |
655 | if (y < 0) |
656 | y = 0; |
657 | if (y >= rows) |
32874aea |
658 | y = rows - 1; |
4facdf84 |
659 | curs.x = x; |
660 | curs.y = y; |
374330e2 |
661 | fix_cpos; |
662 | wrapnext = FALSE; |
663 | } |
664 | |
665 | /* |
666 | * Save or restore the cursor and SGR mode. |
667 | */ |
32874aea |
668 | static void save_cursor(int save) |
669 | { |
374330e2 |
670 | if (save) { |
4facdf84 |
671 | savecurs = curs; |
374330e2 |
672 | save_attr = curr_attr; |
673 | save_cset = cset; |
674 | save_csattr = cset_attr[cset]; |
675 | } else { |
4facdf84 |
676 | curs = savecurs; |
c9def1b8 |
677 | /* Make sure the window hasn't shrunk since the save */ |
32874aea |
678 | if (curs.x >= cols) |
679 | curs.x = cols - 1; |
680 | if (curs.y >= rows) |
681 | curs.y = rows - 1; |
c9def1b8 |
682 | |
374330e2 |
683 | curr_attr = save_attr; |
684 | cset = save_cset; |
685 | cset_attr[cset] = save_csattr; |
686 | fix_cpos; |
32874aea |
687 | if (use_bce) |
688 | erase_char = (' ' | (curr_attr & (ATTR_FGMASK | ATTR_BGMASK))); |
374330e2 |
689 | } |
690 | } |
691 | |
692 | /* |
693 | * Erase a large portion of the screen: the whole screen, or the |
694 | * whole line, or parts thereof. |
695 | */ |
32874aea |
696 | static void erase_lots(int line_only, int from_begin, int to_end) |
697 | { |
260f3dec |
698 | pos start, end; |
4facdf84 |
699 | int erase_lattr; |
700 | unsigned long *ldata; |
374330e2 |
701 | |
702 | if (line_only) { |
4facdf84 |
703 | start.y = curs.y; |
704 | start.x = 0; |
705 | end.y = curs.y + 1; |
706 | end.x = 0; |
707 | erase_lattr = FALSE; |
374330e2 |
708 | } else { |
4facdf84 |
709 | start.y = 0; |
710 | start.x = 0; |
711 | end.y = rows; |
712 | end.x = 0; |
713 | erase_lattr = TRUE; |
714 | } |
715 | if (!from_begin) { |
716 | start = curs; |
374330e2 |
717 | } |
4facdf84 |
718 | if (!to_end) { |
719 | end = curs; |
720 | } |
32874aea |
721 | check_selection(start, end); |
e14a5a13 |
722 | |
723 | /* Clear screen also forces a full window redraw, just in case. */ |
4facdf84 |
724 | if (start.y == 0 && start.x == 0 && end.y == rows) |
32874aea |
725 | term_invalidate(); |
e14a5a13 |
726 | |
4facdf84 |
727 | ldata = lineptr(start.y); |
728 | while (poslt(start, end)) { |
729 | if (start.y == cols && !erase_lattr) |
4eeb7d09 |
730 | ldata[start.x] &= ~LATTR_WRAPPED; |
4facdf84 |
731 | else |
732 | ldata[start.x] = erase_char; |
c83de303 |
733 | if (incpos(start) && start.y < rows) |
4facdf84 |
734 | ldata = lineptr(start.y); |
735 | } |
374330e2 |
736 | } |
737 | |
738 | /* |
739 | * Insert or delete characters within the current line. n is +ve if |
740 | * insertion is desired, and -ve for deletion. |
741 | */ |
32874aea |
742 | static void insch(int n) |
743 | { |
374330e2 |
744 | int dir = (n < 0 ? -1 : +1); |
745 | int m; |
4facdf84 |
746 | pos cursplus; |
747 | unsigned long *ldata; |
374330e2 |
748 | |
749 | n = (n < 0 ? -n : n); |
4facdf84 |
750 | if (n > cols - curs.x) |
751 | n = cols - curs.x; |
752 | m = cols - curs.x - n; |
753 | cursplus.y = curs.y; |
754 | cursplus.x = curs.x + n; |
32874aea |
755 | check_selection(curs, cursplus); |
4facdf84 |
756 | ldata = lineptr(curs.y); |
374330e2 |
757 | if (dir < 0) { |
32874aea |
758 | memmove(ldata + curs.x, ldata + curs.x + n, m * TSIZE); |
374330e2 |
759 | while (n--) |
4facdf84 |
760 | ldata[curs.x + m++] = erase_char; |
374330e2 |
761 | } else { |
32874aea |
762 | memmove(ldata + curs.x + n, ldata + curs.x, m * TSIZE); |
374330e2 |
763 | while (n--) |
4facdf84 |
764 | ldata[curs.x + n] = erase_char; |
374330e2 |
765 | } |
766 | } |
767 | |
768 | /* |
769 | * Toggle terminal mode `mode' to state `state'. (`query' indicates |
770 | * whether the mode is a DEC private one or a normal one.) |
771 | */ |
32874aea |
772 | static void toggle_mode(int mode, int query, int state) |
773 | { |
7594731b |
774 | long ticks; |
01c034ad |
775 | |
32874aea |
776 | if (query) |
777 | switch (mode) { |
778 | case 1: /* application cursor keys */ |
779 | app_cursor_keys = state; |
780 | break; |
781 | case 2: /* VT52 mode */ |
782 | vt52_mode = !state; |
4eeb7d09 |
783 | if (vt52_mode) { |
784 | blink_is_real = FALSE; |
785 | vt52_bold = FALSE; |
786 | } else { |
787 | blink_is_real = cfg.blinktext; |
788 | } |
32874aea |
789 | break; |
790 | case 3: /* 80/132 columns */ |
791 | deselect(); |
792 | request_resize(state ? 132 : 80, rows, 1); |
793 | reset_132 = state; |
794 | break; |
795 | case 5: /* reverse video */ |
796 | /* |
797 | * Toggle reverse video. If we receive an OFF within the |
798 | * visual bell timeout period after an ON, we trigger an |
799 | * effective visual bell, so that ESC[?5hESC[?5l will |
800 | * always be an actually _visible_ visual bell. |
801 | */ |
802 | ticks = GetTickCount(); |
803 | if (rvideo && !state && /* we're turning it off */ |
804 | ticks < rvbell_timeout) { /* and it's not long since it was turned on */ |
805 | in_vbell = TRUE; /* we may clear rvideo but we set in_vbell */ |
806 | if (vbell_timeout < rvbell_timeout) /* don't move vbell end forward */ |
807 | vbell_timeout = rvbell_timeout; /* vbell end is at least then */ |
808 | } else if (!rvideo && state) { |
809 | /* This is an ON, so we notice the time and save it. */ |
810 | rvbell_timeout = ticks + VBELL_TIMEOUT; |
811 | } |
812 | rvideo = state; |
813 | seen_disp_event = TRUE; |
814 | if (state) |
815 | term_update(); |
816 | break; |
817 | case 6: /* DEC origin mode */ |
818 | dec_om = state; |
819 | break; |
820 | case 7: /* auto wrap */ |
821 | wrap = state; |
822 | break; |
823 | case 8: /* auto key repeat */ |
824 | repeat_off = !state; |
825 | break; |
826 | case 10: /* set local edit mode */ |
827 | term_editing = state; |
828 | ldisc_send(NULL, 0); /* cause ldisc to notice changes */ |
829 | break; |
830 | case 25: /* enable/disable cursor */ |
831 | compatibility2(OTHER, VT220); |
832 | cursor_on = state; |
833 | seen_disp_event = TRUE; |
834 | break; |
835 | case 47: /* alternate screen */ |
836 | compatibility(OTHER); |
837 | deselect(); |
838 | swap_screen(state); |
839 | disptop = 0; |
840 | break; |
841 | case 1000: /* xterm mouse 1 */ |
842 | xterm_mouse = state ? 1 : 0; |
843 | set_raw_mouse_mode(state); |
844 | break; |
845 | case 1002: /* xterm mouse 2 */ |
846 | xterm_mouse = state ? 2 : 0; |
847 | set_raw_mouse_mode(state); |
848 | break; |
849 | } else |
850 | switch (mode) { |
851 | case 4: /* set insert mode */ |
852 | compatibility(VT102); |
853 | insert = state; |
854 | break; |
855 | case 12: /* set echo mode */ |
856 | term_echoing = !state; |
857 | ldisc_send(NULL, 0); /* cause ldisc to notice changes */ |
858 | break; |
859 | case 20: /* Return sends ... */ |
860 | cr_lf_return = state; |
861 | break; |
4eeb7d09 |
862 | case 34: /* Make cursor BIG */ |
863 | compatibility2(OTHER, VT220); |
864 | big_cursor = !state; |
7594731b |
865 | } |
374330e2 |
866 | } |
867 | |
868 | /* |
869 | * Process an OSC sequence: set window title or icon name. |
870 | */ |
32874aea |
871 | static void do_osc(void) |
872 | { |
374330e2 |
873 | if (osc_w) { |
874 | while (osc_strlen--) |
32874aea |
875 | wordness[(unsigned char) osc_string[osc_strlen]] = esc_args[0]; |
374330e2 |
876 | } else { |
877 | osc_string[osc_strlen] = '\0'; |
878 | switch (esc_args[0]) { |
879 | case 0: |
880 | case 1: |
32874aea |
881 | set_icon(osc_string); |
374330e2 |
882 | if (esc_args[0] == 1) |
883 | break; |
884 | /* fall through: parameter 0 means set both */ |
885 | case 2: |
886 | case 21: |
32874aea |
887 | set_title(osc_string); |
374330e2 |
888 | break; |
889 | } |
890 | } |
891 | } |
892 | |
893 | /* |
894 | * Remove everything currently in `inbuf' and stick it up on the |
895 | * in-memory display. There's a big state machine in here to |
896 | * process escape sequences... |
897 | */ |
32874aea |
898 | void term_out(void) |
899 | { |
c9def1b8 |
900 | int c, inbuf_reap; |
901 | |
32874aea |
902 | for (inbuf_reap = 0; inbuf_reap < inbuf_head; inbuf_reap++) { |
903 | c = inbuf[inbuf_reap]; |
374330e2 |
904 | |
c9def1b8 |
905 | /* |
32874aea |
906 | * Optionally log the session traffic to a file. Useful for |
907 | * debugging and possibly also useful for actual logging. |
908 | */ |
909 | logtraffic((unsigned char) c, LGTYP_DEBUG); |
e1c8e0ed |
910 | |
e14a5a13 |
911 | /* Note only VT220+ are 8-bit VT102 is seven bit, it shouldn't even |
912 | * be able to display 8-bit characters, but I'll let that go 'cause |
913 | * of i18n. |
914 | */ |
4eeb7d09 |
915 | |
916 | /* First see about all those translations. */ |
917 | if (termstate == TOPLEVEL) { |
918 | if (utf) |
919 | switch (utf_state) { |
920 | case 0: |
921 | if (c < 0x80) { |
922 | /* I know; gotos are evil. This one is really bad! |
923 | * But before you try removing it follow the path of the |
924 | * sequence "0x5F 0xC0 0x71" with UTF and VTGraphics on. |
925 | */ |
926 | /* |
927 | if (cfg.no_vt_graph_with_utf8) break; |
928 | */ |
929 | goto evil_jump; |
930 | } else if ((c & 0xe0) == 0xc0) { |
931 | utf_size = utf_state = 1; |
932 | utf_char = (c & 0x1f); |
933 | } else if ((c & 0xf0) == 0xe0) { |
934 | utf_size = utf_state = 2; |
935 | utf_char = (c & 0x0f); |
936 | } else if ((c & 0xf8) == 0xf0) { |
937 | utf_size = utf_state = 3; |
938 | utf_char = (c & 0x07); |
939 | } else if ((c & 0xfc) == 0xf8) { |
940 | utf_size = utf_state = 4; |
941 | utf_char = (c & 0x03); |
942 | } else if ((c & 0xfe) == 0xfc) { |
943 | utf_size = utf_state = 5; |
944 | utf_char = (c & 0x01); |
945 | } else { |
946 | c = UCSERR; |
947 | break; |
948 | } |
949 | continue; |
950 | case 1: |
951 | case 2: |
952 | case 3: |
953 | case 4: |
954 | case 5: |
955 | if ((c & 0xC0) != 0x80) { |
956 | inbuf_reap--; /* This causes the faulting character */ |
957 | c = UCSERR; /* to be logged twice - not really a */ |
958 | utf_state = 0; /* serious problem. */ |
959 | break; |
960 | } |
961 | utf_char = (utf_char << 6) | (c & 0x3f); |
962 | if (--utf_state) |
963 | continue; |
964 | |
965 | c = utf_char; |
966 | |
967 | /* Is somebody trying to be evil! */ |
968 | if (c < 0x80 || |
969 | (c < 0x800 && utf_size >= 2) || |
970 | (c < 0x10000 && utf_size >= 3) || |
971 | (c < 0x200000 && utf_size >= 4) || |
972 | (c < 0x4000000 && utf_size >= 5)) |
973 | c = UCSERR; |
974 | |
975 | /* Unicode line separator and paragraph separator are CR-LF */ |
976 | if (c == 0x2028 || c == 0x2029) |
977 | c = 0x85; |
978 | |
979 | /* High controls are probably a Baaad idea too. */ |
980 | if (c < 0xA0) |
981 | c = 0xFFFD; |
982 | |
983 | /* The UTF-16 surrogates are not nice either. */ |
984 | /* The standard give the option of decoding these: |
985 | * I don't want to! */ |
986 | if (c >= 0xD800 && c < 0xE000) |
987 | c = UCSERR; |
988 | |
989 | /* ISO 10646 characters now limited to UTF-16 range. */ |
990 | if (c > 0x10FFFF) |
991 | c = UCSERR; |
992 | |
993 | /* This is currently a TagPhobic application.. */ |
994 | if (c >= 0xE0000 && c <= 0xE007F) |
995 | continue; |
996 | |
997 | /* U+FEFF is best seen as a null. */ |
998 | if (c == 0xFEFF) |
999 | continue; |
1000 | /* But U+FFFE is an error. */ |
1001 | if (c == 0xFFFE || c == 0xFFFF) |
1002 | c = UCSERR; |
1003 | |
1004 | /* Oops this is a 16bit implementation */ |
1005 | if (c >= 0x10000) |
1006 | c = 0xFFFD; |
1007 | break; |
1008 | } else { |
1009 | evil_jump:; |
1010 | switch (cset_attr[cset]) { |
1011 | /* |
1012 | * Linedraw characters are different from 'ESC ( B' |
1013 | * only for a small range. For ones outside that |
1014 | * range, make sure we use the same font as well as |
1015 | * the same encoding. |
1016 | */ |
1017 | case ATTR_LINEDRW: |
1018 | if (unitab_ctrl[c] != 0xFF) |
1019 | c = unitab_ctrl[c]; |
1020 | else |
1021 | c = ((unsigned char) c) | ATTR_LINEDRW; |
1022 | break; |
1023 | |
1024 | case ATTR_GBCHR: |
1025 | /* If UK-ASCII, make the '#' a LineDraw Pound */ |
1026 | if (c == '#') { |
1027 | c = '}' | ATTR_LINEDRW; |
1028 | break; |
1029 | } |
1030 | /*FALLTHROUGH*/ case ATTR_ASCII: |
1031 | if (unitab_ctrl[c] != 0xFF) |
1032 | c = unitab_ctrl[c]; |
1033 | else |
1034 | c = ((unsigned char) c) | ATTR_ASCII; |
1035 | break; |
1036 | } |
1037 | } |
1038 | } |
1039 | |
1040 | /* How about C1 controls ? */ |
1041 | if ((c & -32) == 0x80 && termstate < DO_CTRLS && !vt52_mode && |
1042 | has_compat(VT220)) { |
1043 | termstate = SEEN_ESC; |
1044 | esc_query = FALSE; |
1045 | c = '@' + (c & 0x1F); |
1046 | } |
1047 | |
1048 | /* Or the GL control. */ |
1049 | if (c == '\177' && termstate < DO_CTRLS && has_compat(OTHER)) { |
1050 | if (curs.x && !wrapnext) |
1051 | curs.x--; |
1052 | wrapnext = FALSE; |
1053 | fix_cpos; |
1054 | *cpos = (' ' | curr_attr | ATTR_ASCII); |
1055 | } else |
1056 | /* Or normal C0 controls. */ |
1057 | if ((c & -32) == 0 && termstate < DO_CTRLS) { |
374330e2 |
1058 | switch (c) { |
1059 | case '\005': /* terminal type query */ |
e14a5a13 |
1060 | /* Strictly speaking this is VT100 but a VT100 defaults to |
1061 | * no response. Other terminals respond at their option. |
1062 | * |
1063 | * Don't put a CR in the default string as this tends to |
1064 | * upset some weird software. |
1065 | * |
1066 | * An xterm returns "xterm" (5 characters) |
1067 | */ |
32874aea |
1068 | compatibility(ANSIMIN); |
e7fbcdd8 |
1069 | { |
1070 | char abuf[256], *s, *d; |
32874aea |
1071 | int state = 0; |
1072 | for (s = cfg.answerback, d = abuf; *s; s++) { |
1073 | if (state) { |
1074 | if (*s >= 'a' && *s <= 'z') |
1075 | *d++ = (*s - ('a' - 1)); |
1076 | else if ((*s >= '@' && *s <= '_') || |
1077 | *s == '?' || (*s & 0x80)) |
1078 | *d++ = ('@' ^ *s); |
1079 | else if (*s == '~') |
1080 | *d++ = '^'; |
1081 | state = 0; |
1082 | } else if (*s == '^') { |
1083 | state = 1; |
1084 | } else |
4eeb7d09 |
1085 | *d++ = *s; |
e7fbcdd8 |
1086 | } |
4eeb7d09 |
1087 | lpage_send(CP_ACP, abuf, d - abuf); |
e7fbcdd8 |
1088 | } |
374330e2 |
1089 | break; |
1090 | case '\007': |
156686ef |
1091 | { |
1092 | struct beeptime *newbeep; |
1093 | long ticks; |
1094 | |
1095 | ticks = GetTickCount(); |
156686ef |
1096 | |
1097 | if (!beep_overloaded) { |
1098 | newbeep = smalloc(sizeof(struct beeptime)); |
1099 | newbeep->ticks = ticks; |
1100 | newbeep->next = NULL; |
1101 | if (!beephead) |
1102 | beephead = newbeep; |
1103 | else |
1104 | beeptail->next = newbeep; |
1105 | beeptail = newbeep; |
1106 | nbeeps++; |
1107 | } |
1108 | |
1109 | /* |
1110 | * Throw out any beeps that happened more than |
1111 | * t seconds ago. |
1112 | */ |
1113 | while (beephead && |
7f4968e6 |
1114 | beephead->ticks < ticks - cfg.bellovl_t) { |
156686ef |
1115 | struct beeptime *tmp = beephead; |
1116 | beephead = tmp->next; |
156686ef |
1117 | sfree(tmp); |
1118 | if (!beephead) |
1119 | beeptail = NULL; |
1120 | nbeeps--; |
1121 | } |
1122 | |
1123 | if (cfg.bellovl && beep_overloaded && |
32874aea |
1124 | ticks - lastbeep >= cfg.bellovl_s) { |
156686ef |
1125 | /* |
1126 | * If we're currently overloaded and the |
1127 | * last beep was more than s seconds ago, |
1128 | * leave overload mode. |
1129 | */ |
156686ef |
1130 | beep_overloaded = FALSE; |
1131 | } else if (cfg.bellovl && !beep_overloaded && |
1132 | nbeeps >= cfg.bellovl_n) { |
1133 | /* |
1134 | * Now, if we have n or more beeps |
1135 | * remaining in the queue, go into overload |
1136 | * mode. |
1137 | */ |
156686ef |
1138 | beep_overloaded = TRUE; |
1139 | } |
1140 | lastbeep = ticks; |
1141 | |
1142 | /* |
1143 | * Perform an actual beep if we're not overloaded. |
1144 | */ |
32874aea |
1145 | if ((!cfg.bellovl || !beep_overloaded) |
1146 | && cfg.beep != 0) { |
156686ef |
1147 | if (cfg.beep != 2) |
1148 | beep(cfg.beep); |
32874aea |
1149 | else if (cfg.beep == 2) { |
156686ef |
1150 | in_vbell = TRUE; |
1151 | vbell_timeout = ticks + VBELL_TIMEOUT; |
1152 | term_update(); |
1153 | } |
1154 | } |
4facdf84 |
1155 | disptop = 0; |
156686ef |
1156 | } |
374330e2 |
1157 | break; |
1158 | case '\b': |
967a161e |
1159 | if (curs.x == 0 && (curs.y == 0 || wrap == 0)); |
4facdf84 |
1160 | else if (curs.x == 0 && curs.y > 0) |
32874aea |
1161 | curs.x = cols - 1, curs.y--; |
374330e2 |
1162 | else if (wrapnext) |
1163 | wrapnext = FALSE; |
1164 | else |
4facdf84 |
1165 | curs.x--; |
374330e2 |
1166 | fix_cpos; |
cabfd08c |
1167 | seen_disp_event = TRUE; |
374330e2 |
1168 | break; |
1169 | case '\016': |
32874aea |
1170 | compatibility(VT100); |
374330e2 |
1171 | cset = 1; |
1172 | break; |
1173 | case '\017': |
32874aea |
1174 | compatibility(VT100); |
374330e2 |
1175 | cset = 0; |
1176 | break; |
1177 | case '\033': |
32874aea |
1178 | if (vt52_mode) |
1179 | termstate = VT52_ESC; |
e14a5a13 |
1180 | else { |
1181 | compatibility(ANSIMIN); |
1182 | termstate = SEEN_ESC; |
4eeb7d09 |
1183 | esc_query = FALSE; |
e14a5a13 |
1184 | } |
374330e2 |
1185 | break; |
374330e2 |
1186 | case '\r': |
4facdf84 |
1187 | curs.x = 0; |
374330e2 |
1188 | wrapnext = FALSE; |
1189 | fix_cpos; |
cabfd08c |
1190 | seen_disp_event = TRUE; |
c9def1b8 |
1191 | paste_hold = 0; |
32874aea |
1192 | logtraffic((unsigned char) c, LGTYP_ASCII); |
374330e2 |
1193 | break; |
374330e2 |
1194 | case '\014': |
1a837633 |
1195 | if (has_compat(SCOANSI)) { |
1196 | move(0, 0, 0); |
1197 | erase_lots(FALSE, FALSE, TRUE); |
1198 | disptop = 0; |
1199 | wrapnext = FALSE; |
1200 | seen_disp_event = 1; |
1201 | break; |
1202 | } |
1203 | case '\013': |
32874aea |
1204 | compatibility(VT100); |
374330e2 |
1205 | case '\n': |
4facdf84 |
1206 | if (curs.y == marg_b) |
32874aea |
1207 | scroll(marg_t, marg_b, 1, TRUE); |
1208 | else if (curs.y < rows - 1) |
4facdf84 |
1209 | curs.y++; |
cabfd08c |
1210 | if (cfg.lfhascr) |
4facdf84 |
1211 | curs.x = 0; |
374330e2 |
1212 | fix_cpos; |
1213 | wrapnext = FALSE; |
cabfd08c |
1214 | seen_disp_event = 1; |
c9def1b8 |
1215 | paste_hold = 0; |
32874aea |
1216 | logtraffic((unsigned char) c, LGTYP_ASCII); |
374330e2 |
1217 | break; |
1218 | case '\t': |
374330e2 |
1219 | { |
4facdf84 |
1220 | pos old_curs = curs; |
1221 | unsigned long *ldata = lineptr(curs.y); |
c9def1b8 |
1222 | |
1223 | do { |
4facdf84 |
1224 | curs.x++; |
32874aea |
1225 | } while (curs.x < cols - 1 && !tabs[curs.x]); |
c9def1b8 |
1226 | |
32874aea |
1227 | if ((ldata[cols] & LATTR_MODE) != LATTR_NORM) { |
1228 | if (curs.x >= cols / 2) |
1229 | curs.x = cols / 2 - 1; |
1230 | } else { |
4facdf84 |
1231 | if (curs.x >= cols) |
32874aea |
1232 | curs.x = cols - 1; |
c9def1b8 |
1233 | } |
1234 | |
374330e2 |
1235 | fix_cpos; |
32874aea |
1236 | check_selection(old_curs, curs); |
374330e2 |
1237 | } |
cabfd08c |
1238 | seen_disp_event = TRUE; |
374330e2 |
1239 | break; |
cabfd08c |
1240 | } |
32874aea |
1241 | } else |
1242 | switch (termstate) { |
1243 | case TOPLEVEL: |
1244 | /* Only graphic characters get this far, ctrls are stripped above */ |
1245 | if (wrapnext && wrap) { |
4eeb7d09 |
1246 | cpos[1] |= LATTR_WRAPPED; |
32874aea |
1247 | if (curs.y == marg_b) |
1248 | scroll(marg_t, marg_b, 1, TRUE); |
1249 | else if (curs.y < rows - 1) |
1250 | curs.y++; |
1251 | curs.x = 0; |
1252 | fix_cpos; |
1253 | wrapnext = FALSE; |
374330e2 |
1254 | } |
32874aea |
1255 | if (insert) |
1256 | insch(1); |
1257 | if (selstate != NO_SELECTION) { |
1258 | pos cursplus = curs; |
1259 | incpos(cursplus); |
1260 | check_selection(curs, cursplus); |
374330e2 |
1261 | } |
4eeb7d09 |
1262 | if ((c & CSET_MASK) == ATTR_ASCII || (c & CSET_MASK) == 0) |
1263 | logtraffic((unsigned char) c, LGTYP_ASCII); |
1264 | { |
1265 | extern int wcwidth(wchar_t ucs); |
1266 | int width = 0; |
1267 | if (DIRECT_CHAR(c)) |
1268 | width = 1; |
1269 | if (!width) |
1270 | width = wcwidth((wchar_t) c); |
1271 | switch (width) { |
1272 | case 2: |
1273 | if (curs.x + 1 != cols) { |
1274 | *cpos++ = c | ATTR_WIDE | curr_attr; |
1275 | *cpos++ = UCSWIDE | curr_attr; |
1276 | curs.x++; |
1277 | break; |
1278 | } |
1279 | case 1: |
1280 | *cpos++ = c | curr_attr; |
32874aea |
1281 | break; |
4eeb7d09 |
1282 | default: |
1283 | continue; |
32874aea |
1284 | } |
374330e2 |
1285 | } |
32874aea |
1286 | curs.x++; |
1287 | if (curs.x == cols) { |
1288 | cpos--; |
1289 | curs.x--; |
1290 | wrapnext = TRUE; |
4eeb7d09 |
1291 | if (wrap && vt52_mode) { |
1292 | cpos[1] |= LATTR_WRAPPED; |
1293 | if (curs.y == marg_b) |
1294 | scroll(marg_t, marg_b, 1, TRUE); |
1295 | else if (curs.y < rows - 1) |
1296 | curs.y++; |
1297 | curs.x = 0; |
1298 | fix_cpos; |
1299 | wrapnext = FALSE; |
1300 | } |
e14a5a13 |
1301 | } |
32874aea |
1302 | seen_disp_event = 1; |
374330e2 |
1303 | break; |
32874aea |
1304 | |
32874aea |
1305 | case OSC_MAYBE_ST: |
1306 | /* |
1307 | * This state is virtually identical to SEEN_ESC, with the |
1308 | * exception that we have an OSC sequence in the pipeline, |
1309 | * and _if_ we see a backslash, we process it. |
1310 | */ |
1311 | if (c == '\\') { |
1312 | do_osc(); |
1313 | termstate = TOPLEVEL; |
1314 | break; |
e14a5a13 |
1315 | } |
32874aea |
1316 | /* else fall through */ |
1317 | case SEEN_ESC: |
4eeb7d09 |
1318 | if (c >= ' ' && c <= '/') { |
1319 | if (esc_query) |
1320 | esc_query = -1; |
1321 | else |
1322 | esc_query = c; |
32874aea |
1323 | break; |
4eeb7d09 |
1324 | } |
1325 | termstate = TOPLEVEL; |
1326 | switch (ANSI(c, esc_query)) { |
32874aea |
1327 | case '[': /* enter CSI mode */ |
1328 | termstate = SEEN_CSI; |
1329 | esc_nargs = 1; |
1330 | esc_args[0] = ARG_DEFAULT; |
1331 | esc_query = FALSE; |
1332 | break; |
1333 | case ']': /* xterm escape sequences */ |
1334 | /* Compatibility is nasty here, xterm, linux, decterm yuk! */ |
1335 | compatibility(OTHER); |
1336 | termstate = SEEN_OSC; |
1337 | esc_args[0] = 0; |
1338 | break; |
32874aea |
1339 | case '7': /* save cursor */ |
1340 | compatibility(VT100); |
1341 | save_cursor(TRUE); |
1342 | break; |
1343 | case '8': /* restore cursor */ |
1344 | compatibility(VT100); |
1345 | save_cursor(FALSE); |
1346 | seen_disp_event = TRUE; |
1347 | break; |
1348 | case '=': |
1349 | compatibility(VT100); |
1350 | app_keypad_keys = TRUE; |
1351 | break; |
1352 | case '>': |
1353 | compatibility(VT100); |
1354 | app_keypad_keys = FALSE; |
1355 | break; |
1356 | case 'D': /* exactly equivalent to LF */ |
1357 | compatibility(VT100); |
1358 | if (curs.y == marg_b) |
1359 | scroll(marg_t, marg_b, 1, TRUE); |
1360 | else if (curs.y < rows - 1) |
1361 | curs.y++; |
1362 | fix_cpos; |
1363 | wrapnext = FALSE; |
1364 | seen_disp_event = TRUE; |
1365 | break; |
1366 | case 'E': /* exactly equivalent to CR-LF */ |
1367 | compatibility(VT100); |
1368 | curs.x = 0; |
1369 | if (curs.y == marg_b) |
1370 | scroll(marg_t, marg_b, 1, TRUE); |
1371 | else if (curs.y < rows - 1) |
1372 | curs.y++; |
1373 | fix_cpos; |
1374 | wrapnext = FALSE; |
1375 | seen_disp_event = TRUE; |
1376 | break; |
1377 | case 'M': /* reverse index - backwards LF */ |
1378 | compatibility(VT100); |
1379 | if (curs.y == marg_t) |
1380 | scroll(marg_t, marg_b, -1, TRUE); |
1381 | else if (curs.y > 0) |
1382 | curs.y--; |
1383 | fix_cpos; |
1384 | wrapnext = FALSE; |
1385 | seen_disp_event = TRUE; |
1386 | break; |
1387 | case 'Z': /* terminal type query */ |
1388 | compatibility(VT100); |
1389 | ldisc_send(id_string, strlen(id_string)); |
1390 | break; |
1391 | case 'c': /* restore power-on settings */ |
1392 | compatibility(VT100); |
1393 | power_on(); |
1394 | if (reset_132) { |
1395 | request_resize(80, rows, 1); |
1396 | reset_132 = 0; |
374330e2 |
1397 | } |
32874aea |
1398 | fix_cpos; |
1399 | disptop = 0; |
1400 | seen_disp_event = TRUE; |
1401 | break; |
32874aea |
1402 | case 'H': /* set a tab */ |
1403 | compatibility(VT100); |
1404 | tabs[curs.x] = TRUE; |
1405 | break; |
4eeb7d09 |
1406 | |
1407 | case ANSI('8', '#'): /* ESC # 8 fills screen with Es :-) */ |
1408 | compatibility(VT100); |
1409 | { |
1410 | unsigned long *ldata; |
1411 | int i, j; |
1412 | pos scrtop, scrbot; |
1413 | |
1414 | for (i = 0; i < rows; i++) { |
1415 | ldata = lineptr(i); |
1416 | for (j = 0; j < cols; j++) |
1417 | ldata[j] = ATTR_DEFAULT | 'E'; |
1418 | ldata[cols] = 0; |
1419 | } |
1420 | disptop = 0; |
1421 | seen_disp_event = TRUE; |
1422 | scrtop.x = scrtop.y = 0; |
1423 | scrbot.x = 0; |
1424 | scrbot.y = rows; |
1425 | check_selection(scrtop, scrbot); |
1426 | } |
1427 | break; |
1428 | |
1429 | case ANSI('3', '#'): |
1430 | case ANSI('4', '#'): |
1431 | case ANSI('5', '#'): |
1432 | case ANSI('6', '#'): |
1433 | compatibility(VT100); |
1434 | { |
1435 | unsigned long nlattr; |
1436 | unsigned long *ldata; |
1437 | switch (ANSI(c, esc_query)) { |
1438 | case ANSI('3', '#'): |
1439 | nlattr = LATTR_TOP; |
1440 | break; |
1441 | case ANSI('4', '#'): |
1442 | nlattr = LATTR_BOT; |
1443 | break; |
1444 | case ANSI('5', '#'): |
1445 | nlattr = LATTR_NORM; |
1446 | break; |
1447 | case ANSI('6', '#'): |
1448 | nlattr = LATTR_WIDE; |
1449 | break; |
1450 | } |
1451 | ldata = lineptr(curs.y); |
1452 | ldata[cols] &= ~LATTR_MODE; |
1453 | ldata[cols] |= nlattr; |
1454 | } |
1455 | break; |
1456 | |
1457 | case ANSI('A', '('): |
1458 | compatibility(VT100); |
1459 | cset_attr[0] = ATTR_GBCHR; |
1460 | break; |
1461 | case ANSI('B', '('): |
1462 | compatibility(VT100); |
1463 | cset_attr[0] = ATTR_ASCII; |
1464 | break; |
1465 | case ANSI('0', '('): |
1466 | compatibility(VT100); |
1467 | cset_attr[0] = ATTR_LINEDRW; |
1468 | break; |
1469 | |
1470 | case ANSI('A', ')'): |
1471 | compatibility(VT100); |
1472 | cset_attr[1] = ATTR_GBCHR; |
1473 | break; |
1474 | case ANSI('B', ')'): |
1475 | compatibility(VT100); |
1476 | cset_attr[1] = ATTR_ASCII; |
1477 | break; |
1478 | case ANSI('0', ')'): |
1479 | compatibility(VT100); |
1480 | cset_attr[1] = ATTR_LINEDRW; |
1481 | break; |
1482 | |
1483 | case ANSI('8', '%'): /* Old Linux code */ |
1484 | case ANSI('G', '%'): |
1485 | compatibility(OTHER); |
1486 | utf = 1; |
1487 | break; |
1488 | case ANSI('@', '%'): |
1489 | compatibility(OTHER); |
1490 | if (line_codepage != CP_UTF8) |
1491 | utf = 0; |
1492 | break; |
374330e2 |
1493 | } |
1494 | break; |
32874aea |
1495 | case SEEN_CSI: |
1496 | termstate = TOPLEVEL; /* default */ |
1497 | if (isdigit(c)) { |
1498 | if (esc_nargs <= ARGS_MAX) { |
1499 | if (esc_args[esc_nargs - 1] == ARG_DEFAULT) |
1500 | esc_args[esc_nargs - 1] = 0; |
1501 | esc_args[esc_nargs - 1] = |
1502 | 10 * esc_args[esc_nargs - 1] + c - '0'; |
1503 | } |
1504 | termstate = SEEN_CSI; |
1505 | } else if (c == ';') { |
1506 | if (++esc_nargs <= ARGS_MAX) |
1507 | esc_args[esc_nargs - 1] = ARG_DEFAULT; |
1508 | termstate = SEEN_CSI; |
1509 | } else if (c < '@') { |
1510 | if (esc_query) |
1511 | esc_query = -1; |
1512 | else if (c == '?') |
1513 | esc_query = TRUE; |
1514 | else |
1515 | esc_query = c; |
1516 | termstate = SEEN_CSI; |
1517 | } else |
1518 | switch (ANSI(c, esc_query)) { |
1519 | case 'A': /* move up N lines */ |
1520 | move(curs.x, curs.y - def(esc_args[0], 1), 1); |
1521 | seen_disp_event = TRUE; |
1522 | break; |
1523 | case 'e': /* move down N lines */ |
1524 | compatibility(ANSI); |
1525 | case 'B': |
1526 | move(curs.x, curs.y + def(esc_args[0], 1), 1); |
1527 | seen_disp_event = TRUE; |
1528 | break; |
1529 | case 'a': /* move right N cols */ |
1530 | compatibility(ANSI); |
1531 | case ANSI('c', '>'): /* report xterm version */ |
1532 | compatibility(OTHER); |
1533 | /* this reports xterm version 136 so that VIM can |
1534 | use the drag messages from the mouse reporting */ |
1535 | ldisc_send("\033[>0;136;0c", 11); |
1536 | break; |
1537 | case 'C': |
1538 | move(curs.x + def(esc_args[0], 1), curs.y, 1); |
1539 | seen_disp_event = TRUE; |
1540 | break; |
1541 | case 'D': /* move left N cols */ |
1542 | move(curs.x - def(esc_args[0], 1), curs.y, 1); |
1543 | seen_disp_event = TRUE; |
1544 | break; |
1545 | case 'E': /* move down N lines and CR */ |
1546 | compatibility(ANSI); |
1547 | move(0, curs.y + def(esc_args[0], 1), 1); |
1548 | seen_disp_event = TRUE; |
1549 | break; |
1550 | case 'F': /* move up N lines and CR */ |
1551 | compatibility(ANSI); |
1552 | move(0, curs.y - def(esc_args[0], 1), 1); |
1553 | seen_disp_event = TRUE; |
1554 | break; |
1555 | case 'G': |
1556 | case '`': /* set horizontal posn */ |
1557 | compatibility(ANSI); |
1558 | move(def(esc_args[0], 1) - 1, curs.y, 0); |
1559 | seen_disp_event = TRUE; |
1560 | break; |
1561 | case 'd': /* set vertical posn */ |
1562 | compatibility(ANSI); |
1563 | move(curs.x, |
1564 | (dec_om ? marg_t : 0) + def(esc_args[0], |
1565 | 1) - 1, |
1566 | (dec_om ? 2 : 0)); |
1567 | seen_disp_event = TRUE; |
1568 | break; |
1569 | case 'H': |
1570 | case 'f': /* set horz and vert posns at once */ |
1571 | if (esc_nargs < 2) |
1572 | esc_args[1] = ARG_DEFAULT; |
1573 | move(def(esc_args[1], 1) - 1, |
1574 | (dec_om ? marg_t : 0) + def(esc_args[0], |
1575 | 1) - 1, |
1576 | (dec_om ? 2 : 0)); |
1577 | seen_disp_event = TRUE; |
1578 | break; |
1579 | case 'J': /* erase screen or parts of it */ |
1580 | { |
1581 | unsigned int i = def(esc_args[0], 0) + 1; |
1582 | if (i > 3) |
1583 | i = 0; |
1584 | erase_lots(FALSE, !!(i & 2), !!(i & 1)); |
1585 | } |
1586 | disptop = 0; |
1587 | seen_disp_event = TRUE; |
1588 | break; |
1589 | case 'K': /* erase line or parts of it */ |
1590 | { |
1591 | unsigned int i = def(esc_args[0], 0) + 1; |
1592 | if (i > 3) |
1593 | i = 0; |
1594 | erase_lots(TRUE, !!(i & 2), !!(i & 1)); |
1595 | } |
1596 | seen_disp_event = TRUE; |
1597 | break; |
1598 | case 'L': /* insert lines */ |
1599 | compatibility(VT102); |
1600 | if (curs.y <= marg_b) |
1601 | scroll(curs.y, marg_b, -def(esc_args[0], 1), |
1602 | FALSE); |
1603 | fix_cpos; |
1604 | seen_disp_event = TRUE; |
1605 | break; |
1606 | case 'M': /* delete lines */ |
1607 | compatibility(VT102); |
1608 | if (curs.y <= marg_b) |
1609 | scroll(curs.y, marg_b, def(esc_args[0], 1), |
1610 | TRUE); |
1611 | fix_cpos; |
1612 | seen_disp_event = TRUE; |
1613 | break; |
1614 | case '@': /* insert chars */ |
1615 | /* XXX VTTEST says this is vt220, vt510 manual says vt102 */ |
1616 | compatibility(VT102); |
1617 | insch(def(esc_args[0], 1)); |
1618 | seen_disp_event = TRUE; |
1619 | break; |
1620 | case 'P': /* delete chars */ |
1621 | compatibility(VT102); |
1622 | insch(-def(esc_args[0], 1)); |
1623 | seen_disp_event = TRUE; |
1624 | break; |
1625 | case 'c': /* terminal type query */ |
1626 | compatibility(VT100); |
1627 | /* This is the response for a VT102 */ |
1628 | ldisc_send(id_string, strlen(id_string)); |
1629 | break; |
1630 | case 'n': /* cursor position query */ |
1631 | if (esc_args[0] == 6) { |
1632 | char buf[32]; |
1633 | sprintf(buf, "\033[%d;%dR", curs.y + 1, |
1634 | curs.x + 1); |
1635 | ldisc_send(buf, strlen(buf)); |
1636 | } else if (esc_args[0] == 5) { |
1637 | ldisc_send("\033[0n", 4); |
1638 | } |
1639 | break; |
1640 | case 'h': /* toggle modes to high */ |
1641 | case ANSI_QUE('h'): |
1642 | compatibility(VT100); |
1643 | { |
1644 | int i; |
1645 | for (i = 0; i < esc_nargs; i++) |
1646 | toggle_mode(esc_args[i], esc_query, TRUE); |
1647 | } |
1648 | break; |
1649 | case 'l': /* toggle modes to low */ |
1650 | case ANSI_QUE('l'): |
1651 | compatibility(VT100); |
1652 | { |
1653 | int i; |
1654 | for (i = 0; i < esc_nargs; i++) |
1655 | toggle_mode(esc_args[i], esc_query, FALSE); |
1656 | } |
1657 | break; |
1658 | case 'g': /* clear tabs */ |
1659 | compatibility(VT100); |
1660 | if (esc_nargs == 1) { |
1661 | if (esc_args[0] == 0) { |
1662 | tabs[curs.x] = FALSE; |
1663 | } else if (esc_args[0] == 3) { |
1664 | int i; |
1665 | for (i = 0; i < cols; i++) |
1666 | tabs[i] = FALSE; |
1667 | } |
1668 | } |
1669 | break; |
1670 | case 'r': /* set scroll margins */ |
1671 | compatibility(VT100); |
1672 | if (esc_nargs <= 2) { |
1673 | int top, bot; |
1674 | top = def(esc_args[0], 1) - 1; |
1675 | bot = (esc_nargs <= 1 |
1676 | || esc_args[1] == |
1677 | 0 ? rows : def(esc_args[1], rows)) - 1; |
1678 | if (bot >= rows) |
1679 | bot = rows - 1; |
1680 | /* VTTEST Bug 9 - if region is less than 2 lines |
1681 | * don't change region. |
1682 | */ |
1683 | if (bot - top > 0) { |
1684 | marg_t = top; |
1685 | marg_b = bot; |
1686 | curs.x = 0; |
1687 | /* |
1688 | * I used to think the cursor should be |
1689 | * placed at the top of the newly marginned |
1690 | * area. Apparently not: VMS TPU falls over |
1691 | * if so. |
1692 | * |
1693 | * Well actually it should for Origin mode - RDB |
1694 | */ |
1695 | curs.y = (dec_om ? marg_t : 0); |
1696 | fix_cpos; |
1697 | seen_disp_event = TRUE; |
1698 | } |
1699 | } |
1700 | break; |
1701 | case 'm': /* set graphics rendition */ |
1702 | { |
1703 | /* |
1704 | * A VT100 without the AVO only had one attribute, either |
1705 | * underline or reverse video depending on the cursor type, |
1706 | * this was selected by CSI 7m. |
1707 | * |
1708 | * case 2: |
4eeb7d09 |
1709 | * This is sometimes DIM, eg on the GIGI and Linux |
32874aea |
1710 | * case 8: |
4eeb7d09 |
1711 | * This is sometimes INVIS various ANSI. |
32874aea |
1712 | * case 21: |
1713 | * This like 22 disables BOLD, DIM and INVIS |
1714 | * |
1715 | * The ANSI colours appear on any terminal that has colour |
1716 | * (obviously) but the interaction between sgr0 and the |
1717 | * colours varies but is usually related to the background |
1718 | * colour erase item. |
1719 | * The interaction between colour attributes and the mono |
1720 | * ones is also very implementation dependent. |
1721 | * |
1722 | * The 39 and 49 attributes are likely to be unimplemented. |
1723 | */ |
1724 | int i; |
1725 | for (i = 0; i < esc_nargs; i++) { |
1726 | switch (def(esc_args[i], 0)) { |
1727 | case 0: /* restore defaults */ |
1728 | curr_attr = ATTR_DEFAULT; |
1729 | break; |
1730 | case 1: /* enable bold */ |
1731 | compatibility(VT100AVO); |
1732 | curr_attr |= ATTR_BOLD; |
1733 | break; |
1734 | case 21: /* (enable double underline) */ |
1735 | compatibility(OTHER); |
1736 | case 4: /* enable underline */ |
1737 | compatibility(VT100AVO); |
1738 | curr_attr |= ATTR_UNDER; |
1739 | break; |
1740 | case 5: /* enable blink */ |
1741 | compatibility(VT100AVO); |
1742 | curr_attr |= ATTR_BLINK; |
1743 | break; |
1744 | case 7: /* enable reverse video */ |
1745 | curr_attr |= ATTR_REVERSE; |
1746 | break; |
1747 | case 22: /* disable bold */ |
1748 | compatibility2(OTHER, VT220); |
1749 | curr_attr &= ~ATTR_BOLD; |
1750 | break; |
1751 | case 24: /* disable underline */ |
1752 | compatibility2(OTHER, VT220); |
1753 | curr_attr &= ~ATTR_UNDER; |
1754 | break; |
1755 | case 25: /* disable blink */ |
1756 | compatibility2(OTHER, VT220); |
1757 | curr_attr &= ~ATTR_BLINK; |
1758 | break; |
1759 | case 27: /* disable reverse video */ |
1760 | compatibility2(OTHER, VT220); |
1761 | curr_attr &= ~ATTR_REVERSE; |
1762 | break; |
1763 | case 30: |
1764 | case 31: |
1765 | case 32: |
1766 | case 33: |
1767 | case 34: |
1768 | case 35: |
1769 | case 36: |
1770 | case 37: |
1771 | /* foreground */ |
1772 | curr_attr &= ~ATTR_FGMASK; |
1773 | curr_attr |= |
1774 | (esc_args[i] - 30) << ATTR_FGSHIFT; |
1775 | break; |
1776 | case 39: /* default-foreground */ |
1777 | curr_attr &= ~ATTR_FGMASK; |
1778 | curr_attr |= ATTR_DEFFG; |
1779 | break; |
1780 | case 40: |
1781 | case 41: |
1782 | case 42: |
1783 | case 43: |
1784 | case 44: |
1785 | case 45: |
1786 | case 46: |
1787 | case 47: |
1788 | /* background */ |
1789 | curr_attr &= ~ATTR_BGMASK; |
1790 | curr_attr |= |
1791 | (esc_args[i] - 40) << ATTR_BGSHIFT; |
1792 | break; |
1793 | case 49: /* default-background */ |
1794 | curr_attr &= ~ATTR_BGMASK; |
1795 | curr_attr |= ATTR_DEFBG; |
1796 | break; |
1797 | } |
1798 | } |
1799 | if (use_bce) |
1800 | erase_char = |
1801 | (' ' | |
1802 | (curr_attr & |
1803 | (ATTR_FGMASK | ATTR_BGMASK | |
1804 | ATTR_BLINK))); |
1805 | } |
1806 | break; |
1807 | case 's': /* save cursor */ |
1808 | save_cursor(TRUE); |
1809 | break; |
1810 | case 'u': /* restore cursor */ |
1811 | save_cursor(FALSE); |
1812 | seen_disp_event = TRUE; |
1813 | break; |
1814 | case 't': /* set page size - ie window height */ |
374330e2 |
1815 | /* |
32874aea |
1816 | * VT340/VT420 sequence DECSLPP, DEC only allows values |
1817 | * 24/25/36/48/72/144 other emulators (eg dtterm) use |
1818 | * illegal values (eg first arg 1..9) for window changing |
1819 | * and reports. |
1820 | */ |
1821 | compatibility(VT340TEXT); |
1822 | if (esc_nargs <= 1 |
1823 | && (esc_args[0] < 1 || esc_args[0] >= 24)) { |
1824 | request_resize(cols, def(esc_args[0], 24), 0); |
1825 | deselect(); |
1826 | } |
1827 | break; |
1a837633 |
1828 | case 'S': |
1829 | compatibility(SCOANSI); |
1830 | scroll(marg_t, marg_b, def(esc_args[0], 1), TRUE); |
1831 | fix_cpos; |
1832 | wrapnext = FALSE; |
1833 | seen_disp_event = TRUE; |
1834 | break; |
1835 | case 'T': |
1836 | compatibility(SCOANSI); |
1837 | scroll(marg_t, marg_b, -def(esc_args[0], 1), TRUE); |
1838 | fix_cpos; |
1839 | wrapnext = FALSE; |
1840 | seen_disp_event = TRUE; |
1841 | break; |
32874aea |
1842 | case ANSI('|', '*'): |
1843 | /* VT420 sequence DECSNLS |
1844 | * Set number of lines on screen |
1845 | * VT420 uses VGA like hardware and can support any size in |
1846 | * reasonable range (24..49 AIUI) with no default specified. |
1847 | */ |
1848 | compatibility(VT420); |
1849 | if (esc_nargs == 1 && esc_args[0] > 0) { |
1850 | request_resize(cols, |
1851 | def(esc_args[0], cfg.height), |
1852 | 0); |
1853 | deselect(); |
1854 | } |
1855 | break; |
1856 | case ANSI('|', '$'): |
1857 | /* VT340/VT420 sequence DECSCPP |
1858 | * Set number of columns per page |
1859 | * Docs imply range is only 80 or 132, but I'll allow any. |
1860 | */ |
1861 | compatibility(VT340TEXT); |
1862 | if (esc_nargs <= 1) { |
1863 | request_resize(def(esc_args[0], cfg.width), |
1864 | rows, 0); |
1865 | deselect(); |
1866 | } |
1867 | break; |
1868 | case 'X': /* write N spaces w/o moving cursor */ |
1869 | /* XXX VTTEST says this is vt220, vt510 manual says vt100 */ |
1870 | compatibility(ANSIMIN); |
1871 | { |
1872 | int n = def(esc_args[0], 1); |
1873 | pos cursplus; |
1874 | unsigned long *p = cpos; |
1875 | if (n > cols - curs.x) |
1876 | n = cols - curs.x; |
1877 | cursplus = curs; |
1878 | cursplus.x += n; |
1879 | check_selection(curs, cursplus); |
1880 | while (n--) |
1881 | *p++ = erase_char; |
1882 | seen_disp_event = TRUE; |
1883 | } |
1884 | break; |
1885 | case 'x': /* report terminal characteristics */ |
1886 | compatibility(VT100); |
1887 | { |
1888 | char buf[32]; |
1889 | int i = def(esc_args[0], 0); |
1890 | if (i == 0 || i == 1) { |
1891 | strcpy(buf, "\033[2;1;1;112;112;1;0x"); |
1892 | buf[2] += i; |
1893 | ldisc_send(buf, 20); |
1894 | } |
1895 | } |
1896 | break; |
1897 | case ANSI('L', '='): |
1898 | compatibility(OTHER); |
1899 | use_bce = (esc_args[0] <= 0); |
1900 | erase_char = ERASE_CHAR; |
1901 | if (use_bce) |
1902 | erase_char = |
1903 | (' ' | |
1904 | (curr_attr & |
1905 | (ATTR_FGMASK | ATTR_BGMASK))); |
1906 | break; |
1907 | case ANSI('E', '='): |
1908 | compatibility(OTHER); |
1909 | blink_is_real = (esc_args[0] >= 1); |
1910 | break; |
1911 | case ANSI('p', '"'): |
1912 | /* Allow the host to make this emulator a 'perfect' VT102. |
1913 | * This first appeared in the VT220, but we do need to get |
1914 | * back to PuTTY mode so I won't check it. |
e14a5a13 |
1915 | * |
4eeb7d09 |
1916 | * The arg in 40..42,50 are a PuTTY extension. |
32874aea |
1917 | * The 2nd arg, 8bit vs 7bit is not checked. |
1918 | * |
1919 | * Setting VT102 mode should also change the Fkeys to |
1920 | * generate PF* codes as a real VT102 has no Fkeys. |
1921 | * The VT220 does this, F11..F13 become ESC,BS,LF other Fkeys |
1922 | * send nothing. |
1923 | * |
1924 | * Note ESC c will NOT change this! |
374330e2 |
1925 | */ |
32874aea |
1926 | |
1927 | switch (esc_args[0]) { |
1928 | case 61: |
1929 | compatibility_level &= ~TM_VTXXX; |
1930 | compatibility_level |= TM_VT102; |
374330e2 |
1931 | break; |
32874aea |
1932 | case 62: |
1933 | compatibility_level &= ~TM_VTXXX; |
1934 | compatibility_level |= TM_VT220; |
1935 | break; |
1936 | |
1937 | default: |
1938 | if (esc_args[0] > 60 && esc_args[0] < 70) |
1939 | compatibility_level |= TM_VTXXX; |
1940 | break; |
1941 | |
1942 | case 40: |
1943 | compatibility_level &= TM_VTXXX; |
374330e2 |
1944 | break; |
32874aea |
1945 | case 41: |
1946 | compatibility_level = TM_PUTTY; |
374330e2 |
1947 | break; |
32874aea |
1948 | case 42: |
1949 | compatibility_level = TM_SCOANSI; |
374330e2 |
1950 | break; |
32874aea |
1951 | |
1952 | case ARG_DEFAULT: |
1953 | compatibility_level = TM_PUTTY; |
1954 | break; |
1955 | case 50: |
1956 | break; |
1957 | } |
1958 | |
1959 | /* Change the response to CSI c */ |
1960 | if (esc_args[0] == 50) { |
1961 | int i; |
1962 | char lbuf[64]; |
1963 | strcpy(id_string, "\033[?"); |
1964 | for (i = 1; i < esc_nargs; i++) { |
1965 | if (i != 1) |
1966 | strcat(id_string, ";"); |
1967 | sprintf(lbuf, "%d", esc_args[i]); |
1968 | strcat(id_string, lbuf); |
1969 | } |
1970 | strcat(id_string, "c"); |
1971 | } |
1972 | #if 0 |
1973 | /* Is this a good idea ? |
1974 | * Well we should do a soft reset at this point ... |
1975 | */ |
1976 | if (!has_compat(VT420) && has_compat(VT100)) { |
1977 | if (reset_132) |
1978 | request_resize(132, 24, 1); |
1979 | else |
1980 | request_resize(80, 24, 1); |
374330e2 |
1981 | } |
32874aea |
1982 | #endif |
1983 | break; |
374330e2 |
1984 | } |
374330e2 |
1985 | break; |
32874aea |
1986 | case SEEN_OSC: |
1987 | osc_w = FALSE; |
1988 | switch (c) { |
1989 | case 'P': /* Linux palette sequence */ |
1990 | termstate = SEEN_OSC_P; |
1991 | osc_strlen = 0; |
1992 | break; |
1993 | case 'R': /* Linux palette reset */ |
1994 | palette_reset(); |
1995 | term_invalidate(); |
1996 | termstate = TOPLEVEL; |
1997 | break; |
1998 | case 'W': /* word-set */ |
1999 | termstate = SEEN_OSC_W; |
2000 | osc_w = TRUE; |
2001 | break; |
2002 | case '0': |
2003 | case '1': |
2004 | case '2': |
2005 | case '3': |
2006 | case '4': |
2007 | case '5': |
2008 | case '6': |
2009 | case '7': |
2010 | case '8': |
2011 | case '9': |
2012 | esc_args[0] = 10 * esc_args[0] + c - '0'; |
2013 | break; |
2014 | case 'L': |
2015 | /* |
2016 | * Grotty hack to support xterm and DECterm title |
2017 | * sequences concurrently. |
2018 | */ |
2019 | if (esc_args[0] == 2) { |
2020 | esc_args[0] = 1; |
2021 | break; |
2022 | } |
2023 | /* else fall through */ |
2024 | default: |
2025 | termstate = OSC_STRING; |
2026 | osc_strlen = 0; |
e14a5a13 |
2027 | } |
2028 | break; |
32874aea |
2029 | case OSC_STRING: |
2030 | /* |
2031 | * This OSC stuff is EVIL. It takes just one character to get into |
2032 | * sysline mode and it's not initially obvious how to get out. |
2033 | * So I've added CR and LF as string aborts. |
2034 | * This shouldn't effect compatibility as I believe embedded |
2035 | * control characters are supposed to be interpreted (maybe?) |
2036 | * and they don't display anything useful anyway. |
2037 | * |
2038 | * -- RDB |
e14a5a13 |
2039 | */ |
32874aea |
2040 | if (c == '\n' || c == '\r') { |
2041 | termstate = TOPLEVEL; |
2042 | } else if (c == 0234 || c == '\007') { |
2043 | /* |
2044 | * These characters terminate the string; ST and BEL |
2045 | * terminate the sequence and trigger instant |
2046 | * processing of it, whereas ESC goes back to SEEN_ESC |
2047 | * mode unless it is followed by \, in which case it is |
2048 | * synonymous with ST in the first place. |
2049 | */ |
2050 | do_osc(); |
2051 | termstate = TOPLEVEL; |
2052 | } else if (c == '\033') |
2053 | termstate = OSC_MAYBE_ST; |
2054 | else if (osc_strlen < OSC_STR_MAX) |
2055 | osc_string[osc_strlen++] = c; |
374330e2 |
2056 | break; |
32874aea |
2057 | case SEEN_OSC_P: |
374330e2 |
2058 | { |
32874aea |
2059 | int max = (osc_strlen == 0 ? 21 : 16); |
2060 | int val; |
2061 | if (c >= '0' && c <= '9') |
2062 | val = c - '0'; |
2063 | else if (c >= 'A' && c <= 'A' + max - 10) |
2064 | val = c - 'A' + 10; |
2065 | else if (c >= 'a' && c <= 'a' + max - 10) |
2066 | val = c - 'a' + 10; |
2067 | else |
2068 | termstate = TOPLEVEL; |
2069 | osc_string[osc_strlen++] = val; |
2070 | if (osc_strlen >= 7) { |
2071 | palette_set(osc_string[0], |
2072 | osc_string[1] * 16 + osc_string[2], |
2073 | osc_string[3] * 16 + osc_string[4], |
2074 | osc_string[5] * 16 + osc_string[6]); |
2075 | term_invalidate(); |
2076 | termstate = TOPLEVEL; |
374330e2 |
2077 | } |
2078 | } |
2079 | break; |
32874aea |
2080 | case SEEN_OSC_W: |
2081 | switch (c) { |
2082 | case '0': |
2083 | case '1': |
2084 | case '2': |
2085 | case '3': |
2086 | case '4': |
2087 | case '5': |
2088 | case '6': |
2089 | case '7': |
2090 | case '8': |
2091 | case '9': |
2092 | esc_args[0] = 10 * esc_args[0] + c - '0'; |
2093 | break; |
2094 | default: |
2095 | termstate = OSC_STRING; |
2096 | osc_strlen = 0; |
ec55b220 |
2097 | } |
32874aea |
2098 | break; |
32874aea |
2099 | case VT52_ESC: |
374330e2 |
2100 | termstate = TOPLEVEL; |
32874aea |
2101 | seen_disp_event = TRUE; |
c9def1b8 |
2102 | switch (c) { |
32874aea |
2103 | case 'A': |
2104 | move(curs.x, curs.y - 1, 1); |
2105 | break; |
2106 | case 'B': |
2107 | move(curs.x, curs.y + 1, 1); |
2108 | break; |
2109 | case 'C': |
2110 | move(curs.x + 1, curs.y, 1); |
2111 | break; |
2112 | case 'D': |
2113 | move(curs.x - 1, curs.y, 1); |
2114 | break; |
4eeb7d09 |
2115 | /* |
2116 | * From the VT100 Manual |
2117 | * NOTE: The special graphics characters in the VT100 |
2118 | * are different from those in the VT52 |
2119 | * |
2120 | * From VT102 manual: |
2121 | * 137 _ Blank - Same |
2122 | * 140 ` Reserved - Humm. |
2123 | * 141 a Solid rectangle - Similar |
2124 | * 142 b 1/ - Top half of fraction for the |
2125 | * 143 c 3/ - subscript numbers below. |
2126 | * 144 d 5/ |
2127 | * 145 e 7/ |
2128 | * 146 f Degrees - Same |
2129 | * 147 g Plus or minus - Same |
2130 | * 150 h Right arrow |
2131 | * 151 i Ellipsis (dots) |
2132 | * 152 j Divide by |
2133 | * 153 k Down arrow |
2134 | * 154 l Bar at scan 0 |
2135 | * 155 m Bar at scan 1 |
2136 | * 156 n Bar at scan 2 |
2137 | * 157 o Bar at scan 3 - Similar |
2138 | * 160 p Bar at scan 4 - Similar |
2139 | * 161 q Bar at scan 5 - Similar |
2140 | * 162 r Bar at scan 6 - Same |
2141 | * 163 s Bar at scan 7 - Similar |
2142 | * 164 t Subscript 0 |
2143 | * 165 u Subscript 1 |
2144 | * 166 v Subscript 2 |
2145 | * 167 w Subscript 3 |
2146 | * 170 x Subscript 4 |
2147 | * 171 y Subscript 5 |
2148 | * 172 z Subscript 6 |
2149 | * 173 { Subscript 7 |
2150 | * 174 | Subscript 8 |
2151 | * 175 } Subscript 9 |
2152 | * 176 ~ Paragraph |
2153 | * |
2154 | */ |
32874aea |
2155 | case 'F': |
2156 | cset_attr[cset = 0] = ATTR_LINEDRW; |
2157 | break; |
2158 | case 'G': |
2159 | cset_attr[cset = 0] = ATTR_ASCII; |
2160 | break; |
2161 | case 'H': |
2162 | move(0, 0, 0); |
2163 | break; |
2164 | case 'I': |
2165 | if (curs.y == 0) |
2166 | scroll(0, rows - 1, -1, TRUE); |
2167 | else if (curs.y > 0) |
2168 | curs.y--; |
2169 | fix_cpos; |
2170 | wrapnext = FALSE; |
2171 | break; |
2172 | case 'J': |
2173 | erase_lots(FALSE, FALSE, TRUE); |
4facdf84 |
2174 | disptop = 0; |
c9def1b8 |
2175 | break; |
32874aea |
2176 | case 'K': |
2177 | erase_lots(TRUE, FALSE, TRUE); |
2178 | break; |
4eeb7d09 |
2179 | #if 0 |
32874aea |
2180 | case 'V': |
2181 | /* XXX Print cursor line */ |
2182 | break; |
2183 | case 'W': |
2184 | /* XXX Start controller mode */ |
2185 | break; |
2186 | case 'X': |
2187 | /* XXX Stop controller mode */ |
2188 | break; |
4eeb7d09 |
2189 | #endif |
32874aea |
2190 | case 'Y': |
2191 | termstate = VT52_Y1; |
2192 | break; |
2193 | case 'Z': |
2194 | ldisc_send("\033/Z", 3); |
2195 | break; |
2196 | case '=': |
2197 | app_keypad_keys = TRUE; |
2198 | break; |
2199 | case '>': |
2200 | app_keypad_keys = FALSE; |
2201 | break; |
2202 | case '<': |
2203 | /* XXX This should switch to VT100 mode not current or default |
2204 | * VT mode. But this will only have effect in a VT220+ |
2205 | * emulation. |
2206 | */ |
2207 | vt52_mode = FALSE; |
4eeb7d09 |
2208 | blink_is_real = cfg.blinktext; |
32874aea |
2209 | break; |
4eeb7d09 |
2210 | #if 0 |
32874aea |
2211 | case '^': |
2212 | /* XXX Enter auto print mode */ |
2213 | break; |
2214 | case '_': |
2215 | /* XXX Exit auto print mode */ |
2216 | break; |
2217 | case ']': |
2218 | /* XXX Print screen */ |
2219 | break; |
4eeb7d09 |
2220 | #endif |
2221 | |
2222 | #ifdef VT52_PLUS |
2223 | case 'E': |
2224 | /* compatibility(ATARI) */ |
2225 | move(0, 0, 0); |
2226 | erase_lots(FALSE, FALSE, TRUE); |
2227 | disptop = 0; |
2228 | break; |
2229 | case 'L': |
2230 | /* compatibility(ATARI) */ |
2231 | if (curs.y <= marg_b) |
2232 | scroll(curs.y, marg_b, -1, FALSE); |
2233 | break; |
2234 | case 'M': |
2235 | /* compatibility(ATARI) */ |
2236 | if (curs.y <= marg_b) |
2237 | scroll(curs.y, marg_b, 1, TRUE); |
2238 | break; |
2239 | case 'b': |
2240 | /* compatibility(ATARI) */ |
2241 | termstate = VT52_FG; |
2242 | break; |
2243 | case 'c': |
2244 | /* compatibility(ATARI) */ |
2245 | termstate = VT52_BG; |
2246 | break; |
2247 | case 'd': |
2248 | /* compatibility(ATARI) */ |
2249 | erase_lots(FALSE, TRUE, FALSE); |
2250 | disptop = 0; |
2251 | break; |
2252 | case 'e': |
2253 | /* compatibility(ATARI) */ |
2254 | cursor_on = TRUE; |
2255 | break; |
2256 | case 'f': |
2257 | /* compatibility(ATARI) */ |
2258 | cursor_on = FALSE; |
2259 | break; |
2260 | /* case 'j': Save cursor position - broken on ST */ |
2261 | /* case 'k': Restore cursor position */ |
2262 | case 'l': |
2263 | /* compatibility(ATARI) */ |
2264 | erase_lots(TRUE, TRUE, TRUE); |
2265 | curs.x = 0; |
2266 | wrapnext = FALSE; |
2267 | fix_cpos; |
2268 | break; |
2269 | case 'o': |
2270 | /* compatibility(ATARI) */ |
2271 | erase_lots(TRUE, TRUE, FALSE); |
2272 | break; |
2273 | case 'p': |
2274 | /* compatibility(ATARI) */ |
2275 | curr_attr |= ATTR_REVERSE; |
2276 | break; |
2277 | case 'q': |
2278 | /* compatibility(ATARI) */ |
2279 | curr_attr &= ~ATTR_REVERSE; |
2280 | break; |
2281 | case 'v': /* wrap Autowrap on - Wyse style */ |
2282 | /* compatibility(ATARI) */ |
2283 | wrap = 1; |
2284 | break; |
2285 | case 'w': /* Autowrap off */ |
2286 | /* compatibility(ATARI) */ |
2287 | wrap = 0; |
2288 | break; |
2289 | |
2290 | case 'R': |
2291 | /* compatibility(OTHER) */ |
2292 | vt52_bold = FALSE; |
2293 | curr_attr = ATTR_DEFAULT; |
2294 | if (use_bce) |
2295 | erase_char = (' ' | |
2296 | (curr_attr & |
2297 | (ATTR_FGMASK | ATTR_BGMASK | |
2298 | ATTR_BLINK))); |
2299 | break; |
2300 | case 'S': |
2301 | /* compatibility(VI50) */ |
2302 | curr_attr |= ATTR_UNDER; |
2303 | break; |
2304 | case 'W': |
2305 | /* compatibility(VI50) */ |
2306 | curr_attr &= ~ATTR_UNDER; |
2307 | break; |
2308 | case 'U': |
2309 | /* compatibility(VI50) */ |
2310 | vt52_bold = TRUE; |
2311 | curr_attr |= ATTR_BOLD; |
2312 | break; |
2313 | case 'T': |
2314 | /* compatibility(VI50) */ |
2315 | vt52_bold = FALSE; |
2316 | curr_attr &= ~ATTR_BOLD; |
2317 | break; |
2318 | #endif |
c9def1b8 |
2319 | } |
e14a5a13 |
2320 | break; |
32874aea |
2321 | case VT52_Y1: |
2322 | termstate = VT52_Y2; |
2323 | move(curs.x, c - ' ', 0); |
e14a5a13 |
2324 | break; |
32874aea |
2325 | case VT52_Y2: |
2326 | termstate = TOPLEVEL; |
2327 | move(c - ' ', curs.y, 0); |
e14a5a13 |
2328 | break; |
4eeb7d09 |
2329 | |
2330 | #ifdef VT52_PLUS |
2331 | case VT52_FG: |
2332 | termstate = TOPLEVEL; |
2333 | curr_attr &= ~ATTR_FGMASK; |
2334 | curr_attr &= ~ATTR_BOLD; |
2335 | curr_attr |= (c & 0x7) << ATTR_FGSHIFT; |
2336 | if ((c & 0x8) || vt52_bold) |
2337 | curr_attr |= ATTR_BOLD; |
2338 | |
2339 | if (use_bce) |
2340 | erase_char = (' ' | |
2341 | (curr_attr & |
2342 | (ATTR_FGMASK | ATTR_BGMASK | |
2343 | ATTR_BLINK))); |
2344 | break; |
2345 | case VT52_BG: |
2346 | termstate = TOPLEVEL; |
2347 | curr_attr &= ~ATTR_BGMASK; |
2348 | curr_attr &= ~ATTR_BLINK; |
2349 | curr_attr |= (c & 0x7) << ATTR_BGSHIFT; |
2350 | |
2351 | /* Note: bold background */ |
2352 | if (c & 0x8) |
2353 | curr_attr |= ATTR_BLINK; |
2354 | |
2355 | if (use_bce) |
2356 | erase_char = (' ' | |
2357 | (curr_attr & |
2358 | (ATTR_FGMASK | ATTR_BGMASK | |
2359 | ATTR_BLINK))); |
2360 | break; |
2361 | #endif |
e14a5a13 |
2362 | } |
4facdf84 |
2363 | if (selstate != NO_SELECTION) { |
2364 | pos cursplus = curs; |
2365 | incpos(cursplus); |
32874aea |
2366 | check_selection(curs, cursplus); |
4facdf84 |
2367 | } |
374330e2 |
2368 | } |
c9def1b8 |
2369 | inbuf_head = 0; |
374330e2 |
2370 | } |
2371 | |
4eeb7d09 |
2372 | #if 0 |
374330e2 |
2373 | /* |
2374 | * Compare two lines to determine whether they are sufficiently |
2375 | * alike to scroll-optimise one to the other. Return the degree of |
2376 | * similarity. |
2377 | */ |
32874aea |
2378 | static int linecmp(unsigned long *a, unsigned long *b) |
2379 | { |
374330e2 |
2380 | int i, n; |
2381 | |
32874aea |
2382 | for (i = n = 0; i < cols; i++) |
374330e2 |
2383 | n += (*a++ == *b++); |
2384 | return n; |
2385 | } |
4eeb7d09 |
2386 | #endif |
374330e2 |
2387 | |
2388 | /* |
2389 | * Given a context, update the window. Out of paranoia, we don't |
2390 | * allow WM_PAINT responses to do scrolling optimisations. |
2391 | */ |
32874aea |
2392 | static void do_paint(Context ctx, int may_optimise) |
2393 | { |
4eeb7d09 |
2394 | int i, j, our_curs_y; |
2395 | unsigned long rv, cursor; |
4facdf84 |
2396 | pos scrpos; |
374330e2 |
2397 | char ch[1024]; |
4eeb7d09 |
2398 | long cursor_background = ERASE_CHAR; |
156686ef |
2399 | long ticks; |
374330e2 |
2400 | |
156686ef |
2401 | /* |
2402 | * Check the visual bell state. |
2403 | */ |
2404 | if (in_vbell) { |
2405 | ticks = GetTickCount(); |
2406 | if (ticks - vbell_timeout >= 0) |
2407 | in_vbell = FALSE; |
2408 | } |
2409 | |
4eeb7d09 |
2410 | rv = (!rvideo ^ !in_vbell ? ATTR_REVERSE : 0); |
2411 | |
156686ef |
2412 | /* Depends on: |
2413 | * screen array, disptop, scrtop, |
2414 | * selection, rv, |
2415 | * cfg.blinkpc, blink_is_real, tblinker, |
4eeb7d09 |
2416 | * curs.y, curs.x, blinker, cfg.blink_cur, cursor_on, has_focus, wrapnext |
156686ef |
2417 | */ |
4eeb7d09 |
2418 | |
2419 | /* Has the cursor position or type changed ? */ |
e14a5a13 |
2420 | if (cursor_on) { |
32874aea |
2421 | if (has_focus) { |
217dceef |
2422 | if (blinker || !cfg.blink_cur) |
4eeb7d09 |
2423 | cursor = TATTR_ACTCURS; |
32874aea |
2424 | else |
2425 | cursor = 0; |
2426 | } else |
4eeb7d09 |
2427 | cursor = TATTR_PASCURS; |
4e30ff69 |
2428 | if (wrapnext) |
4eeb7d09 |
2429 | cursor |= TATTR_RIGHTCURS; |
32874aea |
2430 | } else |
156686ef |
2431 | cursor = 0; |
4facdf84 |
2432 | our_curs_y = curs.y - disptop; |
374330e2 |
2433 | |
4eeb7d09 |
2434 | if (dispcurs && (curstype != cursor || |
2435 | dispcurs != |
2436 | disptext + our_curs_y * (cols + 1) + curs.x)) { |
2437 | if (dispcurs > disptext && (dispcurs[-1] & ATTR_WIDE)) |
2438 | dispcurs[-1] |= ATTR_INVALID; |
2439 | if ((*dispcurs & ATTR_WIDE)) |
2440 | dispcurs[1] |= ATTR_INVALID; |
2441 | *dispcurs |= ATTR_INVALID; |
2442 | curstype = 0; |
2443 | } |
2444 | dispcurs = NULL; |
2445 | |
2446 | /* The normal screen data */ |
32874aea |
2447 | for (i = 0; i < rows; i++) { |
4facdf84 |
2448 | unsigned long *ldata; |
2449 | int lattr; |
4eeb7d09 |
2450 | int idx, dirty_line, dirty_run; |
2451 | unsigned long attr = 0; |
2452 | int updated_line = 0; |
2453 | int start = 0; |
2454 | int ccount = 0; |
2455 | int last_run_dirty = 0; |
2456 | |
4facdf84 |
2457 | scrpos.y = i + disptop; |
2458 | ldata = lineptr(scrpos.y); |
2459 | lattr = (ldata[cols] & LATTR_MODE); |
4eeb7d09 |
2460 | |
2461 | idx = i * (cols + 1); |
2462 | dirty_run = dirty_line = (ldata[cols] != disptext[idx + cols]); |
2463 | disptext[idx + cols] = ldata[cols]; |
2464 | |
2465 | for (j = 0; j < cols; j++, idx++) { |
2466 | unsigned long tattr, tchar; |
2467 | unsigned long *d = ldata + j; |
2468 | int break_run; |
4facdf84 |
2469 | scrpos.x = j; |
32874aea |
2470 | |
4eeb7d09 |
2471 | tchar = (*d & (CHAR_MASK | CSET_MASK)); |
2472 | tattr = (*d & (ATTR_MASK ^ CSET_MASK)); |
2473 | switch (tchar & CSET_MASK) { |
2474 | case ATTR_ASCII: |
2475 | tchar = unitab_line[tchar & 0xFF]; |
2476 | break; |
2477 | case ATTR_LINEDRW: |
2478 | tchar = unitab_xterm[tchar & 0xFF]; |
2479 | break; |
2480 | } |
2481 | tattr |= (tchar & CSET_MASK); |
2482 | tchar &= CHAR_MASK; |
2483 | |
2484 | /* Video reversing things */ |
2485 | tattr = (tattr ^ rv |
2486 | ^ (posle(selstart, scrpos) && |
2487 | poslt(scrpos, selend) ? ATTR_REVERSE : 0)); |
2488 | |
2489 | /* 'Real' blinking ? */ |
2490 | if (blink_is_real && (tattr & ATTR_BLINK)) { |
2491 | if (has_focus && tblinker) { |
2492 | tchar = ' '; |
2493 | tattr &= ~CSET_MASK; |
2494 | tattr |= ATTR_ACP; |
c9def1b8 |
2495 | } |
4eeb7d09 |
2496 | tattr &= ~ATTR_BLINK; |
c9def1b8 |
2497 | } |
374330e2 |
2498 | |
4eeb7d09 |
2499 | /* Cursor here ? Save the 'background' */ |
2500 | if (i == our_curs_y && j == curs.x) { |
2501 | cursor_background = tattr | tchar; |
2502 | dispcurs = disptext + idx; |
2503 | } |
374330e2 |
2504 | |
4eeb7d09 |
2505 | if ((disptext[idx] ^ tattr) & ATTR_WIDE) |
2506 | dirty_line = TRUE; |
2507 | |
2508 | break_run = (tattr != attr || j - start >= sizeof(ch)); |
2509 | |
2510 | /* Special hack for VT100 Linedraw glyphs */ |
2511 | if ((attr & CSET_MASK) == 0x2300 && tchar >= 0xBA |
2512 | && tchar <= 0xBD) break_run = TRUE; |
2513 | |
2514 | if (!dbcs_screenfont && !dirty_line) { |
2515 | if ((tchar | tattr) == disptext[idx]) |
2516 | break_run = TRUE; |
2517 | else if (!dirty_run && ccount == 1) |
2518 | break_run = TRUE; |
374330e2 |
2519 | } |
4eeb7d09 |
2520 | |
2521 | if (break_run) { |
2522 | if ((dirty_run || last_run_dirty) && ccount > 0) { |
2523 | do_text(ctx, start, i, ch, ccount, attr, lattr); |
2524 | updated_line = 1; |
2525 | } |
2526 | start = j; |
2527 | ccount = 0; |
2528 | attr = tattr; |
2529 | if (dbcs_screenfont) |
2530 | last_run_dirty = dirty_run; |
2531 | dirty_run = dirty_line; |
2532 | } |
2533 | |
2534 | if ((tchar | tattr) != disptext[idx]) |
2535 | dirty_run = TRUE; |
2536 | ch[ccount++] = (char) tchar; |
2537 | disptext[idx] = tchar | tattr; |
2538 | |
2539 | /* If it's a wide char step along to the next one. */ |
2540 | if (tattr & ATTR_WIDE) { |
2541 | if (++j < cols) { |
2542 | idx++; |
2543 | d++; |
2544 | /* Cursor is here ? Ouch! */ |
2545 | if (i == our_curs_y && j == curs.x) { |
2546 | cursor_background = *d; |
2547 | dispcurs = disptext + idx; |
2548 | } |
2549 | if (disptext[idx] != *d) |
2550 | dirty_run = TRUE; |
2551 | disptext[idx] = *d; |
374330e2 |
2552 | } |
374330e2 |
2553 | } |
4eeb7d09 |
2554 | } |
2555 | if (dirty_run && ccount > 0) { |
2556 | do_text(ctx, start, i, ch, ccount, attr, lattr); |
2557 | updated_line = 1; |
2558 | } |
2559 | |
2560 | /* Cursor on this line ? (and changed) */ |
2561 | if (i == our_curs_y && (curstype != cursor || updated_line)) { |
2562 | ch[0] = (char) (cursor_background & CHAR_MASK); |
2563 | attr = (cursor_background & ATTR_MASK) | cursor; |
2564 | do_cursor(ctx, curs.x, i, ch, 1, attr, lattr); |
2565 | curstype = cursor; |
374330e2 |
2566 | } |
2567 | } |
2568 | } |
2569 | |
2570 | /* |
e14a5a13 |
2571 | * Flick the switch that says if blinking things should be shown or hidden. |
2572 | */ |
2573 | |
32874aea |
2574 | void term_blink(int flg) |
2575 | { |
22dcdc3b |
2576 | static long last_blink = 0; |
2577 | static long last_tblink = 0; |
e14a5a13 |
2578 | long now, blink_diff; |
2579 | |
c9def1b8 |
2580 | now = GetTickCount(); |
32874aea |
2581 | blink_diff = now - last_tblink; |
c9def1b8 |
2582 | |
2583 | /* Make sure the text blinks no more than 2Hz */ |
32874aea |
2584 | if (blink_diff < 0 || blink_diff > 450) { |
2585 | last_tblink = now; |
c9def1b8 |
2586 | tblinker = !tblinker; |
2587 | } |
2588 | |
e14a5a13 |
2589 | if (flg) { |
32874aea |
2590 | blinker = 1; |
2591 | last_blink = now; |
e14a5a13 |
2592 | return; |
32874aea |
2593 | } |
e14a5a13 |
2594 | |
32874aea |
2595 | blink_diff = now - last_blink; |
e14a5a13 |
2596 | |
22dcdc3b |
2597 | /* Make sure the cursor blinks no faster than GetCaretBlinkTime() */ |
32874aea |
2598 | if (blink_diff >= 0 && blink_diff < (long) GetCaretBlinkTime()) |
2599 | return; |
2600 | |
e14a5a13 |
2601 | last_blink = now; |
2602 | blinker = !blinker; |
2603 | } |
2604 | |
2605 | /* |
374330e2 |
2606 | * Invalidate the whole screen so it will be repainted in full. |
2607 | */ |
32874aea |
2608 | void term_invalidate(void) |
2609 | { |
374330e2 |
2610 | int i; |
2611 | |
32874aea |
2612 | for (i = 0; i < rows * (cols + 1); i++) |
374330e2 |
2613 | disptext[i] = ATTR_INVALID; |
2614 | } |
2615 | |
2616 | /* |
2617 | * Paint the window in response to a WM_PAINT message. |
2618 | */ |
32874aea |
2619 | void term_paint(Context ctx, int l, int t, int r, int b) |
2620 | { |
374330e2 |
2621 | int i, j, left, top, right, bottom; |
2622 | |
2623 | left = l / font_width; |
2624 | right = (r - 1) / font_width; |
2625 | top = t / font_height; |
2626 | bottom = (b - 1) / font_height; |
32874aea |
2627 | for (i = top; i <= bottom && i < rows; i++) { |
2628 | if ((disptext[i * (cols + 1) + cols] & LATTR_MODE) == LATTR_NORM) |
2629 | for (j = left; j <= right && j < cols; j++) |
2630 | disptext[i * (cols + 1) + j] = ATTR_INVALID; |
c9def1b8 |
2631 | else |
32874aea |
2632 | for (j = left / 2; j <= right / 2 + 1 && j < cols; j++) |
2633 | disptext[i * (cols + 1) + j] = ATTR_INVALID; |
c9def1b8 |
2634 | } |
374330e2 |
2635 | |
e14a5a13 |
2636 | /* This should happen soon enough, also for some reason it sometimes |
2637 | * fails to actually do anything when re-sizing ... painting the wrong |
2638 | * window perhaps ? |
32874aea |
2639 | do_paint (ctx, FALSE); |
2640 | */ |
374330e2 |
2641 | } |
2642 | |
2643 | /* |
2644 | * Attempt to scroll the scrollback. The second parameter gives the |
2645 | * position we want to scroll to; the first is +1 to denote that |
2646 | * this position is relative to the beginning of the scrollback, -1 |
2647 | * to denote it is relative to the end, and 0 to denote that it is |
2648 | * relative to the current position. |
2649 | */ |
32874aea |
2650 | void term_scroll(int rel, int where) |
2651 | { |
4facdf84 |
2652 | int sbtop = -count234(scrollback); |
374330e2 |
2653 | |
32874aea |
2654 | disptop = (rel < 0 ? 0 : rel > 0 ? sbtop : disptop) + where; |
374330e2 |
2655 | if (disptop < sbtop) |
2656 | disptop = sbtop; |
4facdf84 |
2657 | if (disptop > 0) |
2658 | disptop = 0; |
374330e2 |
2659 | update_sbar(); |
2660 | term_update(); |
2661 | } |
2662 | |
4eeb7d09 |
2663 | static void clipme(pos top, pos bottom) |
32874aea |
2664 | { |
4eeb7d09 |
2665 | wchar_t *workbuf; |
2666 | wchar_t *wbptr; /* where next char goes within workbuf */ |
32874aea |
2667 | int wblen = 0; /* workbuf len */ |
2668 | int buflen; /* amount of memory allocated to workbuf */ |
bc1235d4 |
2669 | |
4eeb7d09 |
2670 | buflen = 5120; /* Default size */ |
2671 | workbuf = smalloc(buflen * sizeof(wchar_t)); |
2672 | wbptr = workbuf; /* start filling here */ |
bc1235d4 |
2673 | |
4facdf84 |
2674 | while (poslt(top, bottom)) { |
bc1235d4 |
2675 | int nl = FALSE; |
4facdf84 |
2676 | unsigned long *ldata = lineptr(top.y); |
260f3dec |
2677 | pos nlpos; |
4facdf84 |
2678 | |
2679 | nlpos.y = top.y; |
2680 | nlpos.x = cols; |
bc1235d4 |
2681 | |
4eeb7d09 |
2682 | if (!(ldata[cols] & LATTR_WRAPPED)) { |
2683 | while (((ldata[nlpos.x - 1] & 0xFF) == 0x20 || |
2684 | (DIRECT_CHAR(ldata[nlpos.x - 1]) && |
2685 | (ldata[nlpos.x - 1] & CHAR_MASK) == 0x20)) |
2686 | && poslt(top, nlpos)) |
2687 | decpos(nlpos); |
4facdf84 |
2688 | if (poslt(nlpos, bottom)) |
bc1235d4 |
2689 | nl = TRUE; |
2690 | } |
4facdf84 |
2691 | while (poslt(top, bottom) && poslt(top, nlpos)) { |
4eeb7d09 |
2692 | #if 0 |
2693 | char cbuf[16], *p; |
2694 | sprintf(cbuf, "<U+%04x>", (ldata[top.x] & 0xFFFF)); |
2695 | #else |
2696 | wchar_t cbuf[16], *p; |
2697 | int uc = (ldata[top.x] & 0xFFFF); |
2698 | int set, c; |
2699 | |
2700 | if (uc == UCSWIDE) { |
2701 | top.x++; |
2702 | continue; |
2703 | } |
2704 | |
2705 | switch (uc & CSET_MASK) { |
2706 | case ATTR_LINEDRW: |
2707 | if (!cfg.rawcnp) { |
2708 | uc = unitab_xterm[uc & 0xFF]; |
2709 | break; |
32874aea |
2710 | } |
4eeb7d09 |
2711 | case ATTR_ASCII: |
2712 | uc = unitab_line[uc & 0xFF]; |
2713 | break; |
d3a22f79 |
2714 | } |
4eeb7d09 |
2715 | switch (uc & CSET_MASK) { |
2716 | case ATTR_ACP: |
2717 | uc = unitab_font[uc & 0xFF]; |
2718 | break; |
2719 | case ATTR_OEMCP: |
2720 | uc = unitab_oemcp[uc & 0xFF]; |
2721 | break; |
2722 | } |
2723 | |
2724 | set = (uc & CSET_MASK); |
2725 | c = (uc & CHAR_MASK); |
2726 | cbuf[0] = uc; |
2727 | cbuf[1] = 0; |
2728 | |
2729 | if (DIRECT_FONT(uc)) { |
2730 | if (c >= ' ' && c != 0x7F) { |
2731 | unsigned char buf[4]; |
2732 | WCHAR wbuf[4]; |
2733 | int rv; |
2734 | if (IsDBCSLeadByteEx(font_codepage, (BYTE) c)) { |
2735 | buf[0] = c; |
2736 | buf[1] = (unsigned char) ldata[top.x + 1]; |
2737 | rv = MultiByteToWideChar(font_codepage, |
2738 | 0, buf, 2, wbuf, 4); |
2739 | top.x++; |
2740 | } else { |
2741 | buf[0] = c; |
2742 | rv = MultiByteToWideChar(font_codepage, |
2743 | 0, buf, 1, wbuf, 4); |
2744 | } |
bc1235d4 |
2745 | |
4eeb7d09 |
2746 | if (rv > 0) { |
2747 | memcpy(cbuf, wbuf, rv * sizeof(wchar_t)); |
2748 | cbuf[rv] = 0; |
d3a22f79 |
2749 | } |
d3a22f79 |
2750 | } |
4eeb7d09 |
2751 | } |
2752 | #endif |
2753 | |
2754 | for (p = cbuf; *p; p++) { |
2755 | /* Enough overhead for trailing NL and nul */ |
2756 | if (wblen >= buflen - 16) { |
2757 | workbuf = |
2758 | srealloc(workbuf, |
2759 | sizeof(wchar_t) * (buflen += 100)); |
2760 | wbptr = workbuf + wblen; |
2761 | } |
2762 | wblen++; |
2763 | *wbptr++ = *p; |
bc1235d4 |
2764 | } |
4facdf84 |
2765 | top.x++; |
bc1235d4 |
2766 | } |
2767 | if (nl) { |
2768 | int i; |
4eeb7d09 |
2769 | for (i = 0; i < sel_nl_sz; i++) { |
32874aea |
2770 | wblen++; |
bc1235d4 |
2771 | *wbptr++ = sel_nl[i]; |
2772 | } |
2773 | } |
4facdf84 |
2774 | top.y++; |
2775 | top.x = 0; |
bc1235d4 |
2776 | } |
4eeb7d09 |
2777 | wblen++; |
2778 | *wbptr++ = 0; |
32874aea |
2779 | write_clip(workbuf, wblen, FALSE); /* transfer to clipboard */ |
2780 | if (buflen > 0) /* indicates we allocated this buffer */ |
bc1235d4 |
2781 | sfree(workbuf); |
bc1235d4 |
2782 | } |
4eeb7d09 |
2783 | |
32874aea |
2784 | void term_copyall(void) |
2785 | { |
4facdf84 |
2786 | pos top; |
2787 | top.y = -count234(scrollback); |
2788 | top.x = 0; |
4eeb7d09 |
2789 | clipme(top, curs); |
2790 | } |
2791 | |
2792 | /* |
2793 | * The wordness array is mainly for deciding the disposition of the US-ASCII |
2794 | * characters. |
2795 | */ |
2796 | static int wordtype(int uc) |
2797 | { |
2798 | static struct { |
2799 | int start, end, ctype; |
2800 | } *wptr, ucs_words[] = { |
2801 | { |
2802 | 128, 160, 0}, { |
2803 | 161, 191, 1}, { |
2804 | 215, 215, 1}, { |
2805 | 247, 247, 1}, { |
2806 | 0x037e, 0x037e, 1}, /* Greek question mark */ |
2807 | { |
2808 | 0x0387, 0x0387, 1}, /* Greek ano teleia */ |
2809 | { |
2810 | 0x055a, 0x055f, 1}, /* Armenian punctuation */ |
2811 | { |
2812 | 0x0589, 0x0589, 1}, /* Armenian full stop */ |
2813 | { |
2814 | 0x0700, 0x070d, 1}, /* Syriac punctuation */ |
2815 | { |
2816 | 0x104a, 0x104f, 1}, /* Myanmar punctuation */ |
2817 | { |
2818 | 0x10fb, 0x10fb, 1}, /* Georgian punctuation */ |
2819 | { |
2820 | 0x1361, 0x1368, 1}, /* Ethiopic punctuation */ |
2821 | { |
2822 | 0x166d, 0x166e, 1}, /* Canadian Syl. punctuation */ |
2823 | { |
2824 | 0x17d4, 0x17dc, 1}, /* Khmer punctuation */ |
2825 | { |
2826 | 0x1800, 0x180a, 1}, /* Mongolian punctuation */ |
2827 | { |
2828 | 0x2000, 0x200a, 0}, /* Various spaces */ |
2829 | { |
2830 | 0x2070, 0x207f, 2}, /* superscript */ |
2831 | { |
2832 | 0x2080, 0x208f, 2}, /* subscript */ |
2833 | { |
2834 | 0x200b, 0x27ff, 1}, /* punctuation and symbols */ |
2835 | { |
2836 | 0x3000, 0x3000, 0}, /* ideographic space */ |
2837 | { |
2838 | 0x3001, 0x3020, 1}, /* ideographic punctuation */ |
2839 | { |
2840 | 0x303f, 0x309f, 3}, /* Hiragana */ |
2841 | { |
2842 | 0x30a0, 0x30ff, 3}, /* Katakana */ |
2843 | { |
2844 | 0x3300, 0x9fff, 3}, /* CJK Ideographs */ |
2845 | { |
2846 | 0xac00, 0xd7a3, 3}, /* Hangul Syllables */ |
2847 | { |
2848 | 0xf900, 0xfaff, 3}, /* CJK Ideographs */ |
2849 | { |
2850 | 0xfe30, 0xfe6b, 1}, /* punctuation forms */ |
2851 | { |
2852 | 0xff00, 0xff0f, 1}, /* half/fullwidth ASCII */ |
2853 | { |
2854 | 0xff1a, 0xff20, 1}, /* half/fullwidth ASCII */ |
2855 | { |
2856 | 0xff3b, 0xff40, 1}, /* half/fullwidth ASCII */ |
2857 | { |
2858 | 0xff5b, 0xff64, 1}, /* half/fullwidth ASCII */ |
2859 | { |
2860 | 0xfff0, 0xffff, 0}, /* half/fullwidth ASCII */ |
2861 | { |
2862 | 0, 0, 0} |
2863 | }; |
2864 | |
2865 | uc &= (CSET_MASK | CHAR_MASK); |
2866 | |
2867 | switch (uc & CSET_MASK) { |
2868 | case ATTR_LINEDRW: |
2869 | uc = unitab_xterm[uc & 0xFF]; |
2870 | break; |
2871 | case ATTR_ASCII: |
2872 | uc = unitab_line[uc & 0xFF]; |
2873 | break; |
2874 | } |
2875 | switch (uc & CSET_MASK) { |
2876 | case ATTR_ACP: |
2877 | uc = unitab_font[uc & 0xFF]; |
2878 | break; |
2879 | case ATTR_OEMCP: |
2880 | uc = unitab_oemcp[uc & 0xFF]; |
2881 | break; |
2882 | } |
2883 | |
2884 | if (uc < 0x80) |
2885 | return wordness[uc]; |
2886 | |
2887 | for (wptr = ucs_words; wptr->start; wptr++) { |
2888 | if (uc >= wptr->start && uc <= wptr->end) |
2889 | return wptr->ctype; |
2890 | } |
2891 | |
2892 | return 2; |
bc1235d4 |
2893 | } |
2894 | |
374330e2 |
2895 | /* |
2896 | * Spread the selection outwards according to the selection mode. |
2897 | */ |
32874aea |
2898 | static pos sel_spread_half(pos p, int dir) |
2899 | { |
4facdf84 |
2900 | unsigned long *ldata; |
374330e2 |
2901 | short wvalue; |
2902 | |
4facdf84 |
2903 | ldata = lineptr(p.y); |
374330e2 |
2904 | |
2905 | switch (selmode) { |
2906 | case SM_CHAR: |
2907 | /* |
2908 | * In this mode, every character is a separate unit, except |
2909 | * for runs of spaces at the end of a non-wrapping line. |
2910 | */ |
4eeb7d09 |
2911 | if (!(ldata[cols] & LATTR_WRAPPED)) { |
32874aea |
2912 | unsigned long *q = ldata + cols; |
4facdf84 |
2913 | while (q > ldata && (q[-1] & CHAR_MASK) == 0x20) |
374330e2 |
2914 | q--; |
32874aea |
2915 | if (q == ldata + cols) |
374330e2 |
2916 | q--; |
32874aea |
2917 | if (p.x >= q - ldata) |
2918 | p.x = (dir == -1 ? q - ldata : cols - 1); |
374330e2 |
2919 | } |
2920 | break; |
2921 | case SM_WORD: |
2922 | /* |
2923 | * In this mode, the units are maximal runs of characters |
2924 | * whose `wordness' has the same value. |
2925 | */ |
4eeb7d09 |
2926 | wvalue = wordtype(ldata[p.x]); |
374330e2 |
2927 | if (dir == +1) { |
4eeb7d09 |
2928 | while (p.x < cols && wordtype(ldata[p.x + 1]) == wvalue) |
2929 | p.x++; |
374330e2 |
2930 | } else { |
4eeb7d09 |
2931 | while (p.x > 0 && wordtype(ldata[p.x - 1]) == wvalue) |
2932 | p.x--; |
374330e2 |
2933 | } |
2934 | break; |
2935 | case SM_LINE: |
2936 | /* |
2937 | * In this mode, every line is a unit. |
2938 | */ |
4facdf84 |
2939 | p.x = (dir == -1 ? 0 : cols - 1); |
374330e2 |
2940 | break; |
2941 | } |
2942 | return p; |
2943 | } |
2944 | |
32874aea |
2945 | static void sel_spread(void) |
2946 | { |
2947 | selstart = sel_spread_half(selstart, -1); |
4facdf84 |
2948 | decpos(selend); |
32874aea |
2949 | selend = sel_spread_half(selend, +1); |
4facdf84 |
2950 | incpos(selend); |
374330e2 |
2951 | } |
2952 | |
32874aea |
2953 | void term_mouse(Mouse_Button b, Mouse_Action a, int x, int y, |
2954 | int shift, int ctrl) |
2955 | { |
4facdf84 |
2956 | pos selpoint; |
2957 | unsigned long *ldata; |
32874aea |
2958 | |
2959 | if (y < 0) |
2960 | y = 0; |
2961 | if (y >= rows) |
2962 | y = rows - 1; |
2963 | if (x < 0) { |
2964 | if (y > 0) { |
2965 | x = cols - 1; |
2966 | y--; |
2967 | } else |
2968 | x = 0; |
094ed2a6 |
2969 | } |
32874aea |
2970 | if (x >= cols) |
2971 | x = cols - 1; |
37508af4 |
2972 | |
4facdf84 |
2973 | selpoint.y = y + disptop; |
2974 | selpoint.x = x; |
2975 | ldata = lineptr(selpoint.y); |
32874aea |
2976 | if ((ldata[cols] & LATTR_MODE) != LATTR_NORM) |
4facdf84 |
2977 | selpoint.x /= 2; |
374330e2 |
2978 | |
01c034ad |
2979 | if (xterm_mouse) { |
2980 | int encstate = 0, r, c; |
2981 | char abuf[16]; |
2982 | static int is_down = 0; |
2983 | |
32874aea |
2984 | switch (b) { |
01c034ad |
2985 | case MBT_LEFT: |
32874aea |
2986 | encstate = 0x20; /* left button down */ |
01c034ad |
2987 | break; |
2988 | case MBT_MIDDLE: |
2989 | encstate = 0x21; |
2990 | break; |
2991 | case MBT_RIGHT: |
2992 | encstate = 0x22; |
2993 | break; |
2994 | case MBT_WHEEL_UP: |
2995 | encstate = 0x60; |
2996 | break; |
2997 | case MBT_WHEEL_DOWN: |
2998 | encstate = 0x61; |
2999 | break; |
3000 | } |
32874aea |
3001 | switch (a) { |
01c034ad |
3002 | case MA_DRAG: |
3003 | if (xterm_mouse == 1) |
3004 | return; |
3005 | encstate += 0x20; |
3006 | break; |
3007 | case MA_RELEASE: |
3008 | encstate = 0x23; |
3009 | is_down = 0; |
3010 | break; |
3011 | case MA_CLICK: |
3012 | if (is_down == b) |
3013 | return; |
3014 | is_down = b; |
3015 | break; |
3016 | } |
3017 | if (shift) |
3018 | encstate += 0x04; |
3019 | if (ctrl) |
3020 | encstate += 0x10; |
3021 | r = y + 33; |
3022 | c = x + 33; |
3023 | |
3024 | sprintf(abuf, "\033[M%c%c%c", encstate, c, r); |
3025 | ldisc_send(abuf, 6); |
3026 | return; |
3027 | } |
3028 | |
3029 | b = translate_button(b); |
3030 | |
3031 | if (b == MBT_SELECT && a == MA_CLICK) { |
374330e2 |
3032 | deselect(); |
3033 | selstate = ABOUT_TO; |
3034 | selanchor = selpoint; |
3035 | selmode = SM_CHAR; |
01c034ad |
3036 | } else if (b == MBT_SELECT && (a == MA_2CLK || a == MA_3CLK)) { |
374330e2 |
3037 | deselect(); |
3038 | selmode = (a == MA_2CLK ? SM_WORD : SM_LINE); |
3039 | selstate = DRAGGING; |
3040 | selstart = selanchor = selpoint; |
4facdf84 |
3041 | selend = selstart; |
3042 | incpos(selend); |
374330e2 |
3043 | sel_spread(); |
01c034ad |
3044 | } else if ((b == MBT_SELECT && a == MA_DRAG) || |
3045 | (b == MBT_EXTEND && a != MA_RELEASE)) { |
4facdf84 |
3046 | if (selstate == ABOUT_TO && poseq(selanchor, selpoint)) |
374330e2 |
3047 | return; |
01c034ad |
3048 | if (b == MBT_EXTEND && a != MA_DRAG && selstate == SELECTED) { |
32874aea |
3049 | if (posdiff(selpoint, selstart) < |
3050 | posdiff(selend, selstart) / 2) { |
4facdf84 |
3051 | selanchor = selend; |
3052 | decpos(selanchor); |
3053 | } else { |
374330e2 |
3054 | selanchor = selstart; |
4facdf84 |
3055 | } |
374330e2 |
3056 | selstate = DRAGGING; |
3057 | } |
3058 | if (selstate != ABOUT_TO && selstate != DRAGGING) |
3059 | selanchor = selpoint; |
3060 | selstate = DRAGGING; |
4facdf84 |
3061 | if (poslt(selpoint, selanchor)) { |
374330e2 |
3062 | selstart = selpoint; |
4facdf84 |
3063 | selend = selanchor; |
3064 | incpos(selend); |
374330e2 |
3065 | } else { |
3066 | selstart = selanchor; |
4facdf84 |
3067 | selend = selpoint; |
a4450583 |
3068 | incpos(selend); |
374330e2 |
3069 | } |
3070 | sel_spread(); |
01c034ad |
3071 | } else if ((b == MBT_SELECT || b == MBT_EXTEND) && a == MA_RELEASE) { |
374330e2 |
3072 | if (selstate == DRAGGING) { |
3073 | /* |
3074 | * We've completed a selection. We now transfer the |
3075 | * data to the clipboard. |
3076 | */ |
4eeb7d09 |
3077 | clipme(selstart, selend); |
374330e2 |
3078 | selstate = SELECTED; |
3079 | } else |
3080 | selstate = NO_SELECTION; |
32874aea |
3081 | } else if (b == MBT_PASTE |
3082 | && (a == MA_CLICK || a == MA_2CLK || a == MA_3CLK)) { |
4eeb7d09 |
3083 | wchar_t *data; |
374330e2 |
3084 | int len; |
3085 | |
4eeb7d09 |
3086 | get_clip(&data, &len); |
374330e2 |
3087 | if (data) { |
4eeb7d09 |
3088 | wchar_t *p, *q; |
c9def1b8 |
3089 | |
32874aea |
3090 | if (paste_buffer) |
3091 | sfree(paste_buffer); |
c9def1b8 |
3092 | paste_pos = paste_hold = paste_len = 0; |
4eeb7d09 |
3093 | paste_buffer = smalloc(len * sizeof(wchar_t)); |
c9def1b8 |
3094 | |
374330e2 |
3095 | p = q = data; |
32874aea |
3096 | while (p < data + len) { |
3097 | while (p < data + len && |
4eeb7d09 |
3098 | !(p <= data + len - sel_nl_sz && |
374330e2 |
3099 | !memcmp(p, sel_nl, sizeof(sel_nl)))) |
3100 | p++; |
14963b8f |
3101 | |
3102 | { |
3103 | int i; |
32874aea |
3104 | for (i = 0; i < p - q; i++) { |
4eeb7d09 |
3105 | paste_buffer[paste_len++] = q[i]; |
14963b8f |
3106 | } |
3107 | } |
3108 | |
4eeb7d09 |
3109 | if (p <= data + len - sel_nl_sz && |
374330e2 |
3110 | !memcmp(p, sel_nl, sizeof(sel_nl))) { |
c9def1b8 |
3111 | paste_buffer[paste_len++] = '\r'; |
4eeb7d09 |
3112 | p += sel_nl_sz; |
374330e2 |
3113 | } |
3114 | q = p; |
3115 | } |
c9def1b8 |
3116 | |
3117 | /* Assume a small paste will be OK in one go. */ |
32874aea |
3118 | if (paste_len < 256) { |
4eeb7d09 |
3119 | luni_send(paste_buffer, paste_len); |
32874aea |
3120 | if (paste_buffer) |
3121 | sfree(paste_buffer); |
c9def1b8 |
3122 | paste_buffer = 0; |
32874aea |
3123 | paste_pos = paste_hold = paste_len = 0; |
c9def1b8 |
3124 | } |
374330e2 |
3125 | } |
3126 | get_clip(NULL, NULL); |
3127 | } |
3128 | |
3129 | term_update(); |
3130 | } |
3131 | |
32874aea |
3132 | void term_nopaste() |
3133 | { |
3134 | if (paste_len == 0) |
3135 | return; |
c9def1b8 |
3136 | sfree(paste_buffer); |
3137 | paste_buffer = 0; |
3138 | paste_len = 0; |
3139 | } |
3140 | |
32874aea |
3141 | void term_paste() |
3142 | { |
8df7a775 |
3143 | static long last_paste = 0; |
c9def1b8 |
3144 | long now, paste_diff; |
3145 | |
32874aea |
3146 | if (paste_len == 0) |
3147 | return; |
c9def1b8 |
3148 | |
3149 | /* Don't wait forever to paste */ |
32874aea |
3150 | if (paste_hold) { |
3151 | now = GetTickCount(); |
3152 | paste_diff = now - last_paste; |
3153 | if (paste_diff >= 0 && paste_diff < 450) |
c9def1b8 |
3154 | return; |
3155 | } |
3156 | paste_hold = 0; |
3157 | |
32874aea |
3158 | while (paste_pos < paste_len) { |
8df7a775 |
3159 | int n = 0; |
3160 | while (n + paste_pos < paste_len) { |
3161 | if (paste_buffer[paste_pos + n++] == '\r') |
3162 | break; |
3163 | } |
4eeb7d09 |
3164 | luni_send(paste_buffer + paste_pos, n); |
8df7a775 |
3165 | paste_pos += n; |
c9def1b8 |
3166 | |
8df7a775 |
3167 | if (paste_pos < paste_len) { |
c9def1b8 |
3168 | paste_hold = 1; |
3169 | return; |
3170 | } |
3171 | } |
3172 | sfree(paste_buffer); |
3173 | paste_buffer = 0; |
3174 | paste_len = 0; |
3175 | } |
3176 | |
32874aea |
3177 | static void deselect(void) |
3178 | { |
374330e2 |
3179 | selstate = NO_SELECTION; |
4facdf84 |
3180 | selstart.x = selstart.y = selend.x = selend.y = 0; |
374330e2 |
3181 | } |
3182 | |
32874aea |
3183 | void term_deselect(void) |
3184 | { |
374330e2 |
3185 | deselect(); |
3186 | term_update(); |
3187 | } |
fe50e814 |
3188 | |
32874aea |
3189 | int term_ldisc(int option) |
3190 | { |
3191 | if (option == LD_ECHO) |
3192 | return term_echoing; |
3193 | if (option == LD_EDIT) |
3194 | return term_editing; |
0965bee0 |
3195 | return FALSE; |
3196 | } |
3197 | |
fe50e814 |
3198 | /* |
3199 | * from_backend(), to get data from the backend for the terminal. |
3200 | */ |
32874aea |
3201 | void from_backend(int is_stderr, char *data, int len) |
3202 | { |
fe50e814 |
3203 | while (len--) { |
3204 | if (inbuf_head >= INBUF_SIZE) |
3205 | term_out(); |
3206 | inbuf[inbuf_head++] = *data++; |
3207 | } |
3208 | } |
e1c8e0ed |
3209 | |
3210 | /* |
3211 | * Log session traffic. |
3212 | */ |
32874aea |
3213 | void logtraffic(unsigned char c, int logmode) |
3214 | { |
e1c8e0ed |
3215 | if (cfg.logtype > 0) { |
3216 | if (cfg.logtype == logmode) { |
3217 | /* deferred open file from pgm start? */ |
32874aea |
3218 | if (!lgfp) |
3219 | logfopen(); |
3220 | if (lgfp) |
3221 | fputc(c, lgfp); |
3222 | } |
e1c8e0ed |
3223 | } |
3224 | } |
3225 | |
3226 | /* open log file append/overwrite mode */ |
32874aea |
3227 | void logfopen(void) |
3228 | { |
e1c8e0ed |
3229 | char buf[256]; |
3230 | time_t t; |
3231 | struct tm *tm; |
3232 | char writemod[4]; |
3233 | |
3234 | if (!cfg.logtype) |
3235 | return; |
32874aea |
3236 | sprintf(writemod, "wb"); /* default to rewrite */ |
3237 | lgfp = fopen(cfg.logfilename, "r"); /* file already present? */ |
e1c8e0ed |
3238 | if (lgfp) { |
3239 | int i; |
3240 | fclose(lgfp); |
3241 | i = askappend(cfg.logfilename); |
3242 | if (i == 1) |
3243 | writemod[0] = 'a'; /* set append mode */ |
3244 | else if (i == 0) { /* cancelled */ |
3245 | lgfp = NULL; |
32874aea |
3246 | cfg.logtype = 0; /* disable logging */ |
e1c8e0ed |
3247 | return; |
3248 | } |
3249 | } |
3250 | |
3251 | lgfp = fopen(cfg.logfilename, writemod); |
32874aea |
3252 | if (lgfp) { /* enter into event log */ |
e1c8e0ed |
3253 | sprintf(buf, "%s session log (%s mode) to file : ", |
3254 | (writemod[0] == 'a') ? "Appending" : "Writing new", |
3255 | (cfg.logtype == LGTYP_ASCII ? "ASCII" : |
32874aea |
3256 | cfg.logtype == LGTYP_DEBUG ? "raw" : "<ukwn>")); |
e1c8e0ed |
3257 | /* Make sure we do not exceed the output buffer size */ |
32874aea |
3258 | strncat(buf, cfg.logfilename, 128); |
e1c8e0ed |
3259 | buf[strlen(buf)] = '\0'; |
3260 | logevent(buf); |
3261 | |
32874aea |
3262 | /* --- write header line iinto log file */ |
3263 | fputs("=~=~=~=~=~=~=~=~=~=~=~= PuTTY log ", lgfp); |
e1c8e0ed |
3264 | time(&t); |
3265 | tm = localtime(&t); |
3266 | strftime(buf, 24, "%Y.%m.%d %H:%M:%S", tm); |
32874aea |
3267 | fputs(buf, lgfp); |
3268 | fputs(" =~=~=~=~=~=~=~=~=~=~=~=\r\n", lgfp); |
e1c8e0ed |
3269 | } |
3270 | } |
3271 | |
32874aea |
3272 | void logfclose(void) |
3273 | { |
3274 | if (lgfp) { |
3275 | fclose(lgfp); |
3276 | lgfp = NULL; |
3277 | } |
e1c8e0ed |
3278 | } |