374330e2 |
1 | #include <stdio.h> |
2 | #include <stdlib.h> |
49bad831 |
3 | #include <ctype.h> |
374330e2 |
4 | |
e1c8e0ed |
5 | #include <time.h> |
c83de303 |
6 | #include <assert.h> |
374330e2 |
7 | #include "putty.h" |
887035a5 |
8 | #include "terminal.h" |
9 | |
10 | #define poslt(p1,p2) ( (p1).y < (p2).y || ( (p1).y == (p2).y && (p1).x < (p2).x ) ) |
11 | #define posle(p1,p2) ( (p1).y < (p2).y || ( (p1).y == (p2).y && (p1).x <= (p2).x ) ) |
12 | #define poseq(p1,p2) ( (p1).y == (p2).y && (p1).x == (p2).x ) |
13 | #define posdiff(p1,p2) ( ((p1).y - (p2).y) * (term->cols+1) + (p1).x - (p2).x ) |
14 | |
15 | /* Product-order comparisons for rectangular block selection. */ |
16 | #define posPlt(p1,p2) ( (p1).y <= (p2).y && (p1).x < (p2).x ) |
17 | #define posPle(p1,p2) ( (p1).y <= (p2).y && (p1).x <= (p2).x ) |
18 | |
19 | #define incpos(p) ( (p).x == term->cols ? ((p).x = 0, (p).y++, 1) : ((p).x++, 0) ) |
20 | #define decpos(p) ( (p).x == 0 ? ((p).x = term->cols, (p).y--, 1) : ((p).x--, 0) ) |
374330e2 |
21 | |
4eeb7d09 |
22 | #define VT52_PLUS |
23 | |
32874aea |
24 | #define CL_ANSIMIN 0x0001 /* Codes in all ANSI like terminals. */ |
25 | #define CL_VT100 0x0002 /* VT100 */ |
26 | #define CL_VT100AVO 0x0004 /* VT100 +AVO; 132x24 (not 132x14) & attrs */ |
27 | #define CL_VT102 0x0008 /* VT102 */ |
28 | #define CL_VT220 0x0010 /* VT220 */ |
29 | #define CL_VT320 0x0020 /* VT320 */ |
30 | #define CL_VT420 0x0040 /* VT420 */ |
31 | #define CL_VT510 0x0080 /* VT510, NB VT510 includes ANSI */ |
32 | #define CL_VT340TEXT 0x0100 /* VT340 extensions that appear in the VT420 */ |
33 | #define CL_SCOANSI 0x1000 /* SCOANSI not in ANSIMIN. */ |
34 | #define CL_ANSI 0x2000 /* ANSI ECMA-48 not in the VT100..VT420 */ |
35 | #define CL_OTHER 0x4000 /* Others, Xterm, linux, putty, dunno, etc */ |
e14a5a13 |
36 | |
c9def1b8 |
37 | #define TM_VT100 (CL_ANSIMIN|CL_VT100) |
38 | #define TM_VT100AVO (TM_VT100|CL_VT100AVO) |
39 | #define TM_VT102 (TM_VT100AVO|CL_VT102) |
40 | #define TM_VT220 (TM_VT102|CL_VT220) |
41 | #define TM_VTXXX (TM_VT220|CL_VT340TEXT|CL_VT510|CL_VT420|CL_VT320) |
42 | #define TM_SCOANSI (CL_ANSIMIN|CL_SCOANSI) |
43 | |
44 | #define TM_PUTTY (0xFFFF) |
e14a5a13 |
45 | |
46 | #define compatibility(x) \ |
887035a5 |
47 | if ( ((CL_##x)&term->compatibility_level) == 0 ) { \ |
48 | term->termstate=TOPLEVEL; \ |
e14a5a13 |
49 | break; \ |
50 | } |
c9def1b8 |
51 | #define compatibility2(x,y) \ |
887035a5 |
52 | if ( ((CL_##x|CL_##y)&term->compatibility_level) == 0 ) { \ |
53 | term->termstate=TOPLEVEL; \ |
c9def1b8 |
54 | break; \ |
55 | } |
e14a5a13 |
56 | |
887035a5 |
57 | #define has_compat(x) ( ((CL_##x)&term->compatibility_level) != 0 ) |
374330e2 |
58 | |
4eeb7d09 |
59 | #define sel_nl_sz (sizeof(sel_nl)/sizeof(wchar_t)) |
887035a5 |
60 | const wchar_t sel_nl[] = SEL_NL; |
374330e2 |
61 | |
62 | /* |
63 | * Internal prototypes. |
64 | */ |
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65 | static void do_paint(Terminal *, Context, int); |
66 | static void erase_lots(Terminal *, int, int, int); |
67 | static void swap_screen(Terminal *, int, int, int); |
68 | static void update_sbar(Terminal *); |
69 | static void deselect(Terminal *); |
70 | static void term_print_finish(Terminal *); |
374330e2 |
71 | |
72 | /* |
2371caac |
73 | * Resize a line to make it `cols' columns wide. |
74 | */ |
75 | unsigned long *resizeline(unsigned long *line, int cols) |
76 | { |
77 | int i, oldlen; |
78 | unsigned long lineattrs; |
79 | |
80 | if (line[0] != (unsigned long)cols) { |
81 | /* |
82 | * This line is the wrong length, which probably means it |
83 | * hasn't been accessed since a resize. Resize it now. |
84 | */ |
85 | oldlen = line[0]; |
86 | lineattrs = line[oldlen + 1]; |
87 | line = srealloc(line, TSIZE * (2 + cols)); |
88 | line[0] = cols; |
89 | for (i = oldlen; i < cols; i++) |
90 | line[i + 1] = ERASE_CHAR; |
91 | line[cols + 1] = lineattrs & LATTR_MODE; |
92 | } |
93 | |
94 | return line; |
95 | } |
96 | |
97 | /* |
c83de303 |
98 | * Retrieve a line of the screen or of the scrollback, according to |
99 | * whether the y coordinate is non-negative or negative |
100 | * (respectively). |
101 | */ |
887035a5 |
102 | unsigned long *lineptr(Terminal *term, int y, int lineno) |
32874aea |
103 | { |
2371caac |
104 | unsigned long *line, *newline; |
c83de303 |
105 | tree234 *whichtree; |
2371caac |
106 | int treeindex; |
c83de303 |
107 | |
108 | if (y >= 0) { |
887035a5 |
109 | whichtree = term->screen; |
c83de303 |
110 | treeindex = y; |
111 | } else { |
887035a5 |
112 | whichtree = term->scrollback; |
113 | treeindex = y + count234(term->scrollback); |
c83de303 |
114 | } |
115 | line = index234(whichtree, treeindex); |
116 | |
117 | /* We assume that we don't screw up and retrieve something out of range. */ |
c83de303 |
118 | assert(line != NULL); |
c83de303 |
119 | |
887035a5 |
120 | newline = resizeline(line, term->cols); |
2371caac |
121 | if (newline != line) { |
c83de303 |
122 | delpos234(whichtree, treeindex); |
2371caac |
123 | addpos234(whichtree, newline, treeindex); |
04dcfaa2 |
124 | line = newline; |
c83de303 |
125 | } |
126 | |
32874aea |
127 | return line + 1; |
c83de303 |
128 | } |
32874aea |
129 | |
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130 | #define lineptr(x) lineptr(term,x,__LINE__) |
131 | |
c83de303 |
132 | /* |
374330e2 |
133 | * Set up power-on settings for the terminal. |
134 | */ |
887035a5 |
135 | static void power_on(Terminal *term) |
32874aea |
136 | { |
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137 | term->curs.x = term->curs.y = 0; |
138 | term->alt_x = term->alt_y = 0; |
139 | term->savecurs.x = term->savecurs.y = 0; |
140 | term->alt_t = term->marg_t = 0; |
141 | if (term->rows != -1) |
142 | term->alt_b = term->marg_b = term->rows - 1; |
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143 | else |
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144 | term->alt_b = term->marg_b = 0; |
145 | if (term->cols != -1) { |
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146 | int i; |
887035a5 |
147 | for (i = 0; i < term->cols; i++) |
148 | term->tabs[i] = (i % 8 == 0 ? TRUE : FALSE); |
374330e2 |
149 | } |
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150 | term->alt_om = term->dec_om = cfg.dec_om; |
f278d6f8 |
151 | term->alt_ins = term->insert = FALSE; |
152 | term->alt_wnext = term->wrapnext = term->save_wnext = FALSE; |
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153 | term->alt_wrap = term->wrap = cfg.wrap_mode; |
f278d6f8 |
154 | term->alt_cset = term->cset = term->save_cset = 0; |
155 | term->alt_utf = term->utf = term->save_utf = 0; |
156 | term->utf_state = 0; |
157 | term->alt_sco_acs = term->sco_acs = term->save_sco_acs = 0; |
158 | term->cset_attr[0] = term->cset_attr[1] = term->save_csattr = ATTR_ASCII; |
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159 | term->rvideo = 0; |
160 | term->in_vbell = FALSE; |
161 | term->cursor_on = 1; |
162 | term->big_cursor = 0; |
163 | term->save_attr = term->curr_attr = ATTR_DEFAULT; |
164 | term->term_editing = term->term_echoing = FALSE; |
165 | term->app_cursor_keys = cfg.app_cursor; |
166 | term->app_keypad_keys = cfg.app_keypad; |
167 | term->use_bce = cfg.bce; |
168 | term->blink_is_real = cfg.blinktext; |
169 | term->erase_char = ERASE_CHAR; |
170 | term->alt_which = 0; |
171 | term_print_finish(term); |
374330e2 |
172 | { |
173 | int i; |
174 | for (i = 0; i < 256; i++) |
887035a5 |
175 | term->wordness[i] = cfg.wordness[i]; |
374330e2 |
176 | } |
887035a5 |
177 | if (term->screen) { |
178 | swap_screen(term, 1, FALSE, FALSE); |
179 | erase_lots(term, FALSE, TRUE, TRUE); |
180 | swap_screen(term, 0, FALSE, FALSE); |
181 | erase_lots(term, FALSE, TRUE, TRUE); |
374330e2 |
182 | } |
183 | } |
184 | |
185 | /* |
186 | * Force a screen update. |
187 | */ |
887035a5 |
188 | void term_update(Terminal *term) |
32874aea |
189 | { |
374330e2 |
190 | Context ctx; |
a8327734 |
191 | ctx = get_ctx(term->frontend); |
374330e2 |
192 | if (ctx) { |
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193 | int need_sbar_update = term->seen_disp_event; |
194 | if (term->seen_disp_event && cfg.scroll_on_disp) { |
195 | term->disptop = 0; /* return to main screen */ |
196 | term->seen_disp_event = 0; |
4f892125 |
197 | need_sbar_update = TRUE; |
cabfd08c |
198 | } |
4f892125 |
199 | if (need_sbar_update) |
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200 | update_sbar(term); |
201 | do_paint(term, ctx, TRUE); |
a8327734 |
202 | sys_cursor(term->frontend, term->curs.x, term->curs.y - term->disptop); |
32874aea |
203 | free_ctx(ctx); |
374330e2 |
204 | } |
205 | } |
206 | |
207 | /* |
2cb50250 |
208 | * Called from front end when a keypress occurs, to trigger |
209 | * anything magical that needs to happen in that situation. |
210 | */ |
887035a5 |
211 | void term_seen_key_event(Terminal *term) |
2cb50250 |
212 | { |
213 | /* |
214 | * On any keypress, clear the bell overload mechanism |
215 | * completely, on the grounds that large numbers of |
216 | * beeps coming from deliberate key action are likely |
217 | * to be intended (e.g. beeps from filename completion |
218 | * blocking repeatedly). |
219 | */ |
887035a5 |
220 | term->beep_overloaded = FALSE; |
221 | while (term->beephead) { |
222 | struct beeptime *tmp = term->beephead; |
223 | term->beephead = tmp->next; |
2cb50250 |
224 | sfree(tmp); |
225 | } |
887035a5 |
226 | term->beeptail = NULL; |
227 | term->nbeeps = 0; |
2cb50250 |
228 | |
229 | /* |
230 | * Reset the scrollback on keypress, if we're doing that. |
231 | */ |
232 | if (cfg.scroll_on_key) { |
887035a5 |
233 | term->disptop = 0; /* return to main screen */ |
234 | term->seen_disp_event = 1; |
2cb50250 |
235 | } |
236 | } |
237 | |
238 | /* |
374330e2 |
239 | * Same as power_on(), but an external function. |
240 | */ |
887035a5 |
241 | void term_pwron(Terminal *term) |
32874aea |
242 | { |
887035a5 |
243 | power_on(term); |
b9d7bcad |
244 | if (term->ldisc) /* cause ldisc to notice changes */ |
245 | ldisc_send(term->ldisc, NULL, 0, 0); |
374330e2 |
246 | fix_cpos; |
887035a5 |
247 | term->disptop = 0; |
248 | deselect(term); |
249 | term_update(term); |
374330e2 |
250 | } |
251 | |
252 | /* |
0d2086c5 |
253 | * When the user reconfigures us, we need to check the forbidden- |
b44b307a |
254 | * alternate-screen config option, disable raw mouse mode if the |
255 | * user has disabled mouse reporting, and abandon a print job if |
256 | * the user has disabled printing. |
0d2086c5 |
257 | */ |
887035a5 |
258 | void term_reconfig(Terminal *term) |
0d2086c5 |
259 | { |
260 | if (cfg.no_alt_screen) |
887035a5 |
261 | swap_screen(term, 0, FALSE, FALSE); |
c0d36a72 |
262 | if (cfg.no_mouse_rep) { |
887035a5 |
263 | term->xterm_mouse = 0; |
a8327734 |
264 | set_raw_mouse_mode(term->frontend, 0); |
c0d36a72 |
265 | } |
0d2086c5 |
266 | if (cfg.no_remote_charset) { |
887035a5 |
267 | term->cset_attr[0] = term->cset_attr[1] = ATTR_ASCII; |
268 | term->sco_acs = term->alt_sco_acs = 0; |
269 | term->utf = 0; |
0d2086c5 |
270 | } |
b44b307a |
271 | if (!*cfg.printer) { |
887035a5 |
272 | term_print_finish(term); |
b44b307a |
273 | } |
0d2086c5 |
274 | } |
275 | |
276 | /* |
374330e2 |
277 | * Clear the scrollback. |
278 | */ |
887035a5 |
279 | void term_clrsb(Terminal *term) |
32874aea |
280 | { |
4facdf84 |
281 | unsigned long *line; |
887035a5 |
282 | term->disptop = 0; |
283 | while ((line = delpos234(term->scrollback, 0)) != NULL) { |
4facdf84 |
284 | sfree(line); |
285 | } |
887035a5 |
286 | update_sbar(term); |
374330e2 |
287 | } |
288 | |
289 | /* |
290 | * Initialise the terminal. |
291 | */ |
a8327734 |
292 | Terminal *term_init(void *frontend) |
32874aea |
293 | { |
887035a5 |
294 | Terminal *term; |
295 | |
296 | /* |
297 | * Allocate a new Terminal structure and initialise the fields |
298 | * that need it. |
299 | */ |
300 | term = smalloc(sizeof(Terminal)); |
a8327734 |
301 | term->frontend = frontend; |
302 | term->logctx = NULL; |
887035a5 |
303 | term->compatibility_level = TM_PUTTY; |
304 | strcpy(term->id_string, "\033[?6c"); |
305 | term->last_blink = term->last_tblink = 0; |
306 | term->paste_buffer = NULL; |
307 | term->last_paste = 0; |
308 | bufchain_init(&term->inbuf); |
309 | bufchain_init(&term->printer_buf); |
f278d6f8 |
310 | term->printing = term->only_printing = FALSE; |
311 | term->print_job = NULL; |
312 | term->vt52_mode = FALSE; |
313 | term->cr_lf_return = FALSE; |
314 | term->seen_disp_event = FALSE; |
b9d7bcad |
315 | term->xterm_mouse = term->mouse_is_down = FALSE; |
f278d6f8 |
316 | term->reset_132 = FALSE; |
317 | term->blinker = term->tblinker = 0; |
318 | term->has_focus = 1; |
319 | term->repeat_off = FALSE; |
320 | term->termstate = TOPLEVEL; |
321 | term->selstate = NO_SELECTION; |
887035a5 |
322 | |
323 | term->screen = term->alt_screen = term->scrollback = NULL; |
324 | term->disptop = 0; |
325 | term->disptext = term->dispcurs = NULL; |
326 | term->tabs = NULL; |
327 | deselect(term); |
328 | term->rows = term->cols = -1; |
329 | power_on(term); |
330 | term->beephead = term->beeptail = NULL; |
331 | term->nbeeps = 0; |
332 | term->lastbeep = FALSE; |
333 | term->beep_overloaded = FALSE; |
51470298 |
334 | term->resize_fn = NULL; |
335 | term->resize_ctx = NULL; |
887035a5 |
336 | |
337 | return term; |
374330e2 |
338 | } |
339 | |
340 | /* |
341 | * Set up the terminal for a given size. |
342 | */ |
887035a5 |
343 | void term_size(Terminal *term, int newrows, int newcols, int newsavelines) |
32874aea |
344 | { |
2d466ffd |
345 | tree234 *newalt; |
346 | unsigned long *newdisp, *line; |
347 | int i, j; |
c83de303 |
348 | int sblen; |
887035a5 |
349 | int save_alt_which = term->alt_which; |
d6832394 |
350 | |
887035a5 |
351 | if (newrows == term->rows && newcols == term->cols && |
352 | newsavelines == term->savelines) |
374330e2 |
353 | return; /* nothing to do */ |
354 | |
887035a5 |
355 | deselect(term); |
356 | swap_screen(term, 0, FALSE, FALSE); |
d6832394 |
357 | |
887035a5 |
358 | term->alt_t = term->marg_t = 0; |
359 | term->alt_b = term->marg_b = newrows - 1; |
374330e2 |
360 | |
887035a5 |
361 | if (term->rows == -1) { |
362 | term->scrollback = newtree234(NULL); |
363 | term->screen = newtree234(NULL); |
364 | term->rows = 0; |
c83de303 |
365 | } |
366 | |
367 | /* |
368 | * Resize the screen and scrollback. We only need to shift |
369 | * lines around within our data structures, because lineptr() |
370 | * will take care of resizing each individual line if |
371 | * necessary. So: |
372 | * |
373 | * - If the new screen and the old screen differ in length, we |
374 | * must shunt some lines in from the scrollback or out to |
375 | * the scrollback. |
376 | * |
377 | * - If doing that fails to provide us with enough material to |
378 | * fill the new screen (i.e. the number of rows needed in |
379 | * the new screen exceeds the total number in the previous |
380 | * screen+scrollback), we must invent some blank lines to |
381 | * cover the gap. |
382 | * |
383 | * - Then, if the new scrollback length is less than the |
384 | * amount of scrollback we actually have, we must throw some |
385 | * away. |
386 | */ |
887035a5 |
387 | sblen = count234(term->scrollback); |
cdd6c586 |
388 | /* Do this loop to expand the screen if newrows > rows */ |
887035a5 |
389 | for (i = term->rows; i < newrows; i++) { |
32874aea |
390 | if (sblen > 0) { |
887035a5 |
391 | line = delpos234(term->scrollback, --sblen); |
32874aea |
392 | } else { |
393 | line = smalloc(TSIZE * (newcols + 2)); |
394 | line[0] = newcols; |
395 | for (j = 0; j <= newcols; j++) |
396 | line[j + 1] = ERASE_CHAR; |
397 | } |
887035a5 |
398 | addpos234(term->screen, line, 0); |
cdd6c586 |
399 | } |
400 | /* Do this loop to shrink the screen if newrows < rows */ |
887035a5 |
401 | for (i = newrows; i < term->rows; i++) { |
402 | line = delpos234(term->screen, 0); |
403 | addpos234(term->scrollback, line, sblen++); |
c83de303 |
404 | } |
887035a5 |
405 | assert(count234(term->screen) == newrows); |
c83de303 |
406 | while (sblen > newsavelines) { |
887035a5 |
407 | line = delpos234(term->scrollback, 0); |
c83de303 |
408 | sfree(line); |
409 | sblen--; |
c9def1b8 |
410 | } |
887035a5 |
411 | assert(count234(term->scrollback) <= newsavelines); |
412 | term->disptop = 0; |
374330e2 |
413 | |
32874aea |
414 | newdisp = smalloc(newrows * (newcols + 1) * TSIZE); |
415 | for (i = 0; i < newrows * (newcols + 1); i++) |
374330e2 |
416 | newdisp[i] = ATTR_INVALID; |
887035a5 |
417 | sfree(term->disptext); |
418 | term->disptext = newdisp; |
419 | term->dispcurs = NULL; |
374330e2 |
420 | |
4facdf84 |
421 | newalt = newtree234(NULL); |
32874aea |
422 | for (i = 0; i < newrows; i++) { |
423 | line = smalloc(TSIZE * (newcols + 2)); |
c83de303 |
424 | line[0] = newcols; |
4facdf84 |
425 | for (j = 0; j <= newcols; j++) |
887035a5 |
426 | line[j + 1] = term->erase_char; |
4facdf84 |
427 | addpos234(newalt, line, i); |
428 | } |
887035a5 |
429 | if (term->alt_screen) { |
430 | while (NULL != (line = delpos234(term->alt_screen, 0))) |
4facdf84 |
431 | sfree(line); |
887035a5 |
432 | freetree234(term->alt_screen); |
4facdf84 |
433 | } |
887035a5 |
434 | term->alt_screen = newalt; |
374330e2 |
435 | |
887035a5 |
436 | term->tabs = srealloc(term->tabs, newcols * sizeof(*term->tabs)); |
374330e2 |
437 | { |
438 | int i; |
887035a5 |
439 | for (i = (term->cols > 0 ? term->cols : 0); i < newcols; i++) |
440 | term->tabs[i] = (i % 8 == 0 ? TRUE : FALSE); |
374330e2 |
441 | } |
442 | |
887035a5 |
443 | if (term->rows > 0) |
444 | term->curs.y += newrows - term->rows; |
445 | if (term->curs.y < 0) |
446 | term->curs.y = 0; |
447 | if (term->curs.y >= newrows) |
448 | term->curs.y = newrows - 1; |
449 | if (term->curs.x >= newcols) |
450 | term->curs.x = newcols - 1; |
451 | term->alt_x = term->alt_y = 0; |
452 | term->wrapnext = term->alt_wnext = FALSE; |
453 | |
454 | term->rows = newrows; |
455 | term->cols = newcols; |
456 | term->savelines = newsavelines; |
374330e2 |
457 | fix_cpos; |
458 | |
887035a5 |
459 | swap_screen(term, save_alt_which, FALSE, FALSE); |
d6832394 |
460 | |
887035a5 |
461 | update_sbar(term); |
462 | term_update(term); |
51470298 |
463 | if (term->resize_fn) |
464 | term->resize_fn(term->resize_ctx, term->cols, term->rows); |
465 | } |
466 | |
467 | /* |
468 | * Hand a function and context pointer to the terminal which it can |
469 | * use to notify a back end of resizes. |
470 | */ |
471 | void term_provide_resize_fn(Terminal *term, |
472 | void (*resize_fn)(void *, int, int), |
473 | void *resize_ctx) |
474 | { |
475 | term->resize_fn = resize_fn; |
476 | term->resize_ctx = resize_ctx; |
477 | if (term->cols > 0 && term->rows > 0) |
478 | resize_fn(resize_ctx, term->cols, term->rows); |
374330e2 |
479 | } |
480 | |
481 | /* |
8f9b6a1a |
482 | * Swap screens. If `reset' is TRUE and we have been asked to |
483 | * switch to the alternate screen, we must bring most of its |
484 | * configuration from the main screen and erase the contents of the |
485 | * alternate screen completely. (This is even true if we're already |
486 | * on it! Blame xterm.) |
374330e2 |
487 | */ |
887035a5 |
488 | static void swap_screen(Terminal *term, int which, int reset, int keep_cur_pos) |
32874aea |
489 | { |
374330e2 |
490 | int t; |
4facdf84 |
491 | tree234 *ttr; |
374330e2 |
492 | |
8f9b6a1a |
493 | if (!which) |
494 | reset = FALSE; /* do no weird resetting if which==0 */ |
495 | |
887035a5 |
496 | if (which != term->alt_which) { |
497 | term->alt_which = which; |
8f9b6a1a |
498 | |
887035a5 |
499 | ttr = term->alt_screen; |
500 | term->alt_screen = term->screen; |
501 | term->screen = ttr; |
502 | t = term->curs.x; |
8f9b6a1a |
503 | if (!reset && !keep_cur_pos) |
887035a5 |
504 | term->curs.x = term->alt_x; |
505 | term->alt_x = t; |
506 | t = term->curs.y; |
8f9b6a1a |
507 | if (!reset && !keep_cur_pos) |
887035a5 |
508 | term->curs.y = term->alt_y; |
509 | term->alt_y = t; |
510 | t = term->marg_t; |
511 | if (!reset) term->marg_t = term->alt_t; |
512 | term->alt_t = t; |
513 | t = term->marg_b; |
514 | if (!reset) term->marg_b = term->alt_b; |
515 | term->alt_b = t; |
516 | t = term->dec_om; |
517 | if (!reset) term->dec_om = term->alt_om; |
518 | term->alt_om = t; |
519 | t = term->wrap; |
520 | if (!reset) term->wrap = term->alt_wrap; |
521 | term->alt_wrap = t; |
522 | t = term->wrapnext; |
523 | if (!reset) term->wrapnext = term->alt_wnext; |
524 | term->alt_wnext = t; |
525 | t = term->insert; |
526 | if (!reset) term->insert = term->alt_ins; |
527 | term->alt_ins = t; |
528 | t = term->cset; |
529 | if (!reset) term->cset = term->alt_cset; |
530 | term->alt_cset = t; |
531 | t = term->utf; |
532 | if (!reset) term->utf = term->alt_utf; |
533 | term->alt_utf = t; |
534 | t = term->sco_acs; |
535 | if (!reset) term->sco_acs = term->alt_sco_acs; |
536 | term->alt_sco_acs = t; |
8f9b6a1a |
537 | } |
374330e2 |
538 | |
887035a5 |
539 | if (reset && term->screen) { |
8f9b6a1a |
540 | /* |
541 | * Yes, this _is_ supposed to honour background-colour-erase. |
542 | */ |
887035a5 |
543 | erase_lots(term, FALSE, TRUE, TRUE); |
8f9b6a1a |
544 | } |
545 | |
546 | /* |
547 | * This might not be possible if we're called during |
548 | * initialisation. |
549 | */ |
887035a5 |
550 | if (term->screen) |
8f9b6a1a |
551 | fix_cpos; |
374330e2 |
552 | } |
553 | |
554 | /* |
374330e2 |
555 | * Update the scroll bar. |
556 | */ |
887035a5 |
557 | static void update_sbar(Terminal *term) |
32874aea |
558 | { |
260f3dec |
559 | int nscroll; |
374330e2 |
560 | |
887035a5 |
561 | nscroll = count234(term->scrollback); |
4facdf84 |
562 | |
a8327734 |
563 | set_sbar(term->frontend, nscroll + term->rows, |
564 | nscroll + term->disptop, term->rows); |
374330e2 |
565 | } |
566 | |
567 | /* |
568 | * Check whether the region bounded by the two pointers intersects |
569 | * the scroll region, and de-select the on-screen selection if so. |
570 | */ |
887035a5 |
571 | static void check_selection(Terminal *term, pos from, pos to) |
32874aea |
572 | { |
887035a5 |
573 | if (poslt(from, term->selend) && poslt(term->selstart, to)) |
574 | deselect(term); |
374330e2 |
575 | } |
576 | |
577 | /* |
578 | * Scroll the screen. (`lines' is +ve for scrolling forward, -ve |
579 | * for backward.) `sb' is TRUE if the scrolling is permitted to |
580 | * affect the scrollback buffer. |
a4450583 |
581 | * |
582 | * NB this function invalidates all pointers into lines of the |
583 | * screen data structures. In particular, you MUST call fix_cpos |
584 | * after calling scroll() and before doing anything else that |
585 | * uses the cpos shortcut pointer. |
374330e2 |
586 | */ |
887035a5 |
587 | static void scroll(Terminal *term, int topline, int botline, int lines, int sb) |
32874aea |
588 | { |
4facdf84 |
589 | unsigned long *line, *line2; |
a792432e |
590 | int i, seltop; |
c9def1b8 |
591 | |
887035a5 |
592 | if (topline != 0 || term->alt_which != 0) |
4facdf84 |
593 | sb = FALSE; |
594 | |
595 | if (lines < 0) { |
596 | while (lines < 0) { |
887035a5 |
597 | line = delpos234(term->screen, botline); |
598 | line = resizeline(line, term->cols); |
599 | for (i = 0; i < term->cols; i++) |
600 | line[i + 1] = term->erase_char; |
601 | line[term->cols + 1] = 0; |
602 | addpos234(term->screen, line, topline); |
603 | |
604 | if (term->selstart.y >= topline && term->selstart.y <= botline) { |
605 | term->selstart.y++; |
606 | if (term->selstart.y > botline) { |
607 | term->selstart.y = botline; |
608 | term->selstart.x = 0; |
c9def1b8 |
609 | } |
c9def1b8 |
610 | } |
887035a5 |
611 | if (term->selend.y >= topline && term->selend.y <= botline) { |
612 | term->selend.y++; |
613 | if (term->selend.y > botline) { |
614 | term->selend.y = botline; |
615 | term->selend.x = 0; |
c9def1b8 |
616 | } |
c9def1b8 |
617 | } |
c9def1b8 |
618 | |
4facdf84 |
619 | lines++; |
c9def1b8 |
620 | } |
374330e2 |
621 | } else { |
4facdf84 |
622 | while (lines > 0) { |
887035a5 |
623 | line = delpos234(term->screen, topline); |
624 | if (sb && term->savelines > 0) { |
625 | int sblen = count234(term->scrollback); |
4facdf84 |
626 | /* |
627 | * We must add this line to the scrollback. We'll |
628 | * remove a line from the top of the scrollback to |
629 | * replace it, or allocate a new one if the |
630 | * scrollback isn't full. |
631 | */ |
887035a5 |
632 | if (sblen == term->savelines) { |
633 | sblen--, line2 = delpos234(term->scrollback, 0); |
c83de303 |
634 | } else { |
887035a5 |
635 | line2 = smalloc(TSIZE * (term->cols + 2)); |
636 | line2[0] = term->cols; |
c83de303 |
637 | } |
887035a5 |
638 | addpos234(term->scrollback, line, sblen); |
4facdf84 |
639 | line = line2; |
a792432e |
640 | |
641 | /* |
642 | * If the user is currently looking at part of the |
643 | * scrollback, and they haven't enabled any options |
644 | * that are going to reset the scrollback as a |
645 | * result of this movement, then the chances are |
646 | * they'd like to keep looking at the same line. So |
647 | * we move their viewpoint at the same rate as the |
648 | * scroll, at least until their viewpoint hits the |
649 | * top end of the scrollback buffer, at which point |
650 | * we don't have the choice any more. |
651 | * |
652 | * Thanks to Jan Holmen Holsten for the idea and |
653 | * initial implementation. |
654 | */ |
887035a5 |
655 | if (term->disptop > -term->savelines && term->disptop < 0) |
656 | term->disptop--; |
4facdf84 |
657 | } |
887035a5 |
658 | line = resizeline(line, term->cols); |
659 | for (i = 0; i < term->cols; i++) |
660 | line[i + 1] = term->erase_char; |
661 | line[term->cols + 1] = 0; |
662 | addpos234(term->screen, line, botline); |
4facdf84 |
663 | |
a792432e |
664 | /* |
665 | * If the selection endpoints move into the scrollback, |
666 | * we keep them moving until they hit the top. However, |
667 | * of course, if the line _hasn't_ moved into the |
668 | * scrollback then we don't do this, and cut them off |
669 | * at the top of the scroll region. |
d48db8b4 |
670 | * |
671 | * This applies to selstart and selend (for an existing |
672 | * selection), and also selanchor (for one being |
673 | * selected as we speak). |
a792432e |
674 | */ |
887035a5 |
675 | seltop = sb ? -term->savelines : topline; |
676 | |
677 | if (term->selstart.y >= seltop && |
678 | term->selstart.y <= botline) { |
679 | term->selstart.y--; |
680 | if (term->selstart.y < seltop) { |
681 | term->selstart.y = seltop; |
682 | term->selstart.x = 0; |
4facdf84 |
683 | } |
684 | } |
887035a5 |
685 | if (term->selend.y >= seltop && term->selend.y <= botline) { |
686 | term->selend.y--; |
687 | if (term->selend.y < seltop) { |
688 | term->selend.y = seltop; |
689 | term->selend.x = 0; |
4facdf84 |
690 | } |
691 | } |
887035a5 |
692 | if (term->selanchor.y >= seltop && term->selanchor.y <= botline) { |
693 | term->selanchor.y--; |
694 | if (term->selanchor.y < seltop) { |
695 | term->selanchor.y = seltop; |
696 | term->selanchor.x = 0; |
d48db8b4 |
697 | } |
698 | } |
4facdf84 |
699 | |
700 | lines--; |
c9def1b8 |
701 | } |
374330e2 |
702 | } |
374330e2 |
703 | } |
704 | |
705 | /* |
706 | * Move the cursor to a given position, clipping at boundaries. We |
707 | * may or may not want to clip at the scroll margin: marg_clip is 0 |
708 | * not to, 1 to disallow _passing_ the margins, and 2 to disallow |
709 | * even _being_ outside the margins. |
710 | */ |
887035a5 |
711 | static void move(Terminal *term, int x, int y, int marg_clip) |
32874aea |
712 | { |
374330e2 |
713 | if (x < 0) |
714 | x = 0; |
887035a5 |
715 | if (x >= term->cols) |
716 | x = term->cols - 1; |
374330e2 |
717 | if (marg_clip) { |
887035a5 |
718 | if ((term->curs.y >= term->marg_t || marg_clip == 2) && |
719 | y < term->marg_t) |
720 | y = term->marg_t; |
721 | if ((term->curs.y <= term->marg_b || marg_clip == 2) && |
722 | y > term->marg_b) |
723 | y = term->marg_b; |
374330e2 |
724 | } |
725 | if (y < 0) |
726 | y = 0; |
887035a5 |
727 | if (y >= term->rows) |
728 | y = term->rows - 1; |
729 | term->curs.x = x; |
730 | term->curs.y = y; |
374330e2 |
731 | fix_cpos; |
887035a5 |
732 | term->wrapnext = FALSE; |
374330e2 |
733 | } |
734 | |
735 | /* |
736 | * Save or restore the cursor and SGR mode. |
737 | */ |
887035a5 |
738 | static void save_cursor(Terminal *term, int save) |
32874aea |
739 | { |
374330e2 |
740 | if (save) { |
887035a5 |
741 | term->savecurs = term->curs; |
742 | term->save_attr = term->curr_attr; |
743 | term->save_cset = term->cset; |
744 | term->save_utf = term->utf; |
745 | term->save_wnext = term->wrapnext; |
746 | term->save_csattr = term->cset_attr[term->cset]; |
747 | term->save_sco_acs = term->sco_acs; |
374330e2 |
748 | } else { |
887035a5 |
749 | term->curs = term->savecurs; |
c9def1b8 |
750 | /* Make sure the window hasn't shrunk since the save */ |
887035a5 |
751 | if (term->curs.x >= term->cols) |
752 | term->curs.x = term->cols - 1; |
753 | if (term->curs.y >= term->rows) |
754 | term->curs.y = term->rows - 1; |
755 | |
756 | term->curr_attr = term->save_attr; |
757 | term->cset = term->save_cset; |
758 | term->utf = term->save_utf; |
759 | term->wrapnext = term->save_wnext; |
8c028e65 |
760 | /* |
761 | * wrapnext might reset to False if the x position is no |
762 | * longer at the rightmost edge. |
763 | */ |
887035a5 |
764 | if (term->wrapnext && term->curs.x < term->cols-1) |
765 | term->wrapnext = FALSE; |
766 | term->cset_attr[term->cset] = term->save_csattr; |
767 | term->sco_acs = term->save_sco_acs; |
374330e2 |
768 | fix_cpos; |
887035a5 |
769 | if (term->use_bce) |
770 | term->erase_char = (' ' | ATTR_ASCII | |
771 | (term->curr_attr & |
772 | (ATTR_FGMASK | ATTR_BGMASK))); |
374330e2 |
773 | } |
774 | } |
775 | |
776 | /* |
777 | * Erase a large portion of the screen: the whole screen, or the |
778 | * whole line, or parts thereof. |
779 | */ |
887035a5 |
780 | static void erase_lots(Terminal *term, |
781 | int line_only, int from_begin, int to_end) |
32874aea |
782 | { |
260f3dec |
783 | pos start, end; |
4facdf84 |
784 | int erase_lattr; |
785 | unsigned long *ldata; |
374330e2 |
786 | |
787 | if (line_only) { |
887035a5 |
788 | start.y = term->curs.y; |
4facdf84 |
789 | start.x = 0; |
887035a5 |
790 | end.y = term->curs.y + 1; |
4facdf84 |
791 | end.x = 0; |
792 | erase_lattr = FALSE; |
374330e2 |
793 | } else { |
4facdf84 |
794 | start.y = 0; |
795 | start.x = 0; |
887035a5 |
796 | end.y = term->rows; |
4facdf84 |
797 | end.x = 0; |
798 | erase_lattr = TRUE; |
799 | } |
800 | if (!from_begin) { |
887035a5 |
801 | start = term->curs; |
374330e2 |
802 | } |
4facdf84 |
803 | if (!to_end) { |
887035a5 |
804 | end = term->curs; |
2a6dfe0e |
805 | incpos(end); |
4facdf84 |
806 | } |
887035a5 |
807 | check_selection(term, start, end); |
e14a5a13 |
808 | |
809 | /* Clear screen also forces a full window redraw, just in case. */ |
887035a5 |
810 | if (start.y == 0 && start.x == 0 && end.y == term->rows) |
811 | term_invalidate(term); |
e14a5a13 |
812 | |
4facdf84 |
813 | ldata = lineptr(start.y); |
814 | while (poslt(start, end)) { |
887035a5 |
815 | if (start.x == term->cols && !erase_lattr) |
4eeb7d09 |
816 | ldata[start.x] &= ~LATTR_WRAPPED; |
4facdf84 |
817 | else |
887035a5 |
818 | ldata[start.x] = term->erase_char; |
819 | if (incpos(start) && start.y < term->rows) |
4facdf84 |
820 | ldata = lineptr(start.y); |
821 | } |
374330e2 |
822 | } |
823 | |
824 | /* |
825 | * Insert or delete characters within the current line. n is +ve if |
826 | * insertion is desired, and -ve for deletion. |
827 | */ |
887035a5 |
828 | static void insch(Terminal *term, int n) |
32874aea |
829 | { |
374330e2 |
830 | int dir = (n < 0 ? -1 : +1); |
831 | int m; |
4facdf84 |
832 | pos cursplus; |
833 | unsigned long *ldata; |
374330e2 |
834 | |
835 | n = (n < 0 ? -n : n); |
887035a5 |
836 | if (n > term->cols - term->curs.x) |
837 | n = term->cols - term->curs.x; |
838 | m = term->cols - term->curs.x - n; |
839 | cursplus.y = term->curs.y; |
840 | cursplus.x = term->curs.x + n; |
841 | check_selection(term, term->curs, cursplus); |
842 | ldata = lineptr(term->curs.y); |
374330e2 |
843 | if (dir < 0) { |
887035a5 |
844 | memmove(ldata + term->curs.x, ldata + term->curs.x + n, m * TSIZE); |
374330e2 |
845 | while (n--) |
887035a5 |
846 | ldata[term->curs.x + m++] = term->erase_char; |
374330e2 |
847 | } else { |
887035a5 |
848 | memmove(ldata + term->curs.x + n, ldata + term->curs.x, m * TSIZE); |
374330e2 |
849 | while (n--) |
887035a5 |
850 | ldata[term->curs.x + n] = term->erase_char; |
374330e2 |
851 | } |
852 | } |
853 | |
854 | /* |
855 | * Toggle terminal mode `mode' to state `state'. (`query' indicates |
856 | * whether the mode is a DEC private one or a normal one.) |
857 | */ |
887035a5 |
858 | static void toggle_mode(Terminal *term, int mode, int query, int state) |
32874aea |
859 | { |
286c6b86 |
860 | unsigned long ticks; |
01c034ad |
861 | |
32874aea |
862 | if (query) |
863 | switch (mode) { |
864 | case 1: /* application cursor keys */ |
887035a5 |
865 | term->app_cursor_keys = state; |
32874aea |
866 | break; |
867 | case 2: /* VT52 mode */ |
887035a5 |
868 | term->vt52_mode = !state; |
869 | if (term->vt52_mode) { |
870 | term->blink_is_real = FALSE; |
871 | term->vt52_bold = FALSE; |
4eeb7d09 |
872 | } else { |
887035a5 |
873 | term->blink_is_real = cfg.blinktext; |
4eeb7d09 |
874 | } |
32874aea |
875 | break; |
876 | case 3: /* 80/132 columns */ |
887035a5 |
877 | deselect(term); |
0d2086c5 |
878 | if (!cfg.no_remote_resize) |
a8327734 |
879 | request_resize(term->frontend, state ? 132 : 80, term->rows); |
887035a5 |
880 | term->reset_132 = state; |
32874aea |
881 | break; |
882 | case 5: /* reverse video */ |
883 | /* |
884 | * Toggle reverse video. If we receive an OFF within the |
885 | * visual bell timeout period after an ON, we trigger an |
886 | * effective visual bell, so that ESC[?5hESC[?5l will |
887 | * always be an actually _visible_ visual bell. |
888 | */ |
f7f27309 |
889 | ticks = GETTICKCOUNT(); |
286c6b86 |
890 | /* turn off a previous vbell to avoid inconsistencies */ |
887035a5 |
891 | if (ticks - term->vbell_startpoint >= VBELL_TIMEOUT) |
892 | term->in_vbell = FALSE; |
893 | if (term->rvideo && !state && /* we're turning it off... */ |
894 | (ticks - term->rvbell_startpoint) < VBELL_TIMEOUT) {/*...soon*/ |
286c6b86 |
895 | /* If there's no vbell timeout already, or this one lasts |
896 | * longer, replace vbell_timeout with ours. */ |
887035a5 |
897 | if (!term->in_vbell || |
898 | (term->rvbell_startpoint - term->vbell_startpoint < |
899 | VBELL_TIMEOUT)) |
900 | term->vbell_startpoint = term->rvbell_startpoint; |
901 | term->in_vbell = TRUE; /* may clear rvideo but set in_vbell */ |
902 | } else if (!term->rvideo && state) { |
32874aea |
903 | /* This is an ON, so we notice the time and save it. */ |
887035a5 |
904 | term->rvbell_startpoint = ticks; |
32874aea |
905 | } |
887035a5 |
906 | term->rvideo = state; |
907 | term->seen_disp_event = TRUE; |
32874aea |
908 | if (state) |
887035a5 |
909 | term_update(term); |
32874aea |
910 | break; |
911 | case 6: /* DEC origin mode */ |
887035a5 |
912 | term->dec_om = state; |
32874aea |
913 | break; |
914 | case 7: /* auto wrap */ |
887035a5 |
915 | term->wrap = state; |
32874aea |
916 | break; |
917 | case 8: /* auto key repeat */ |
887035a5 |
918 | term->repeat_off = !state; |
32874aea |
919 | break; |
920 | case 10: /* set local edit mode */ |
887035a5 |
921 | term->term_editing = state; |
b9d7bcad |
922 | if (term->ldisc) /* cause ldisc to notice changes */ |
923 | ldisc_send(term->ldisc, NULL, 0, 0); |
32874aea |
924 | break; |
925 | case 25: /* enable/disable cursor */ |
926 | compatibility2(OTHER, VT220); |
887035a5 |
927 | term->cursor_on = state; |
928 | term->seen_disp_event = TRUE; |
32874aea |
929 | break; |
930 | case 47: /* alternate screen */ |
931 | compatibility(OTHER); |
887035a5 |
932 | deselect(term); |
933 | swap_screen(term, cfg.no_alt_screen ? 0 : state, FALSE, FALSE); |
934 | term->disptop = 0; |
32874aea |
935 | break; |
936 | case 1000: /* xterm mouse 1 */ |
887035a5 |
937 | term->xterm_mouse = state ? 1 : 0; |
a8327734 |
938 | set_raw_mouse_mode(term->frontend, state); |
32874aea |
939 | break; |
940 | case 1002: /* xterm mouse 2 */ |
887035a5 |
941 | term->xterm_mouse = state ? 2 : 0; |
a8327734 |
942 | set_raw_mouse_mode(term->frontend, state); |
32874aea |
943 | break; |
8f9b6a1a |
944 | case 1047: /* alternate screen */ |
945 | compatibility(OTHER); |
887035a5 |
946 | deselect(term); |
947 | swap_screen(term, cfg.no_alt_screen ? 0 : state, TRUE, TRUE); |
948 | term->disptop = 0; |
8f9b6a1a |
949 | break; |
950 | case 1048: /* save/restore cursor */ |
887035a5 |
951 | save_cursor(term, state); |
952 | if (!state) term->seen_disp_event = TRUE; |
8f9b6a1a |
953 | break; |
954 | case 1049: /* cursor & alternate screen */ |
955 | if (state) |
887035a5 |
956 | save_cursor(term, state); |
957 | if (!state) term->seen_disp_event = TRUE; |
8f9b6a1a |
958 | compatibility(OTHER); |
887035a5 |
959 | deselect(term); |
960 | swap_screen(term, cfg.no_alt_screen ? 0 : state, TRUE, FALSE); |
8f9b6a1a |
961 | if (!state) |
887035a5 |
962 | save_cursor(term, state); |
963 | term->disptop = 0; |
8f9b6a1a |
964 | break; |
32874aea |
965 | } else |
966 | switch (mode) { |
967 | case 4: /* set insert mode */ |
968 | compatibility(VT102); |
887035a5 |
969 | term->insert = state; |
32874aea |
970 | break; |
971 | case 12: /* set echo mode */ |
887035a5 |
972 | term->term_echoing = !state; |
b9d7bcad |
973 | if (term->ldisc) /* cause ldisc to notice changes */ |
974 | ldisc_send(term->ldisc, NULL, 0, 0); |
32874aea |
975 | break; |
976 | case 20: /* Return sends ... */ |
887035a5 |
977 | term->cr_lf_return = state; |
32874aea |
978 | break; |
4eeb7d09 |
979 | case 34: /* Make cursor BIG */ |
980 | compatibility2(OTHER, VT220); |
887035a5 |
981 | term->big_cursor = !state; |
7594731b |
982 | } |
374330e2 |
983 | } |
984 | |
985 | /* |
986 | * Process an OSC sequence: set window title or icon name. |
987 | */ |
887035a5 |
988 | static void do_osc(Terminal *term) |
32874aea |
989 | { |
887035a5 |
990 | if (term->osc_w) { |
991 | while (term->osc_strlen--) |
992 | term->wordness[(unsigned char) |
993 | term->osc_string[term->osc_strlen]] = term->esc_args[0]; |
374330e2 |
994 | } else { |
887035a5 |
995 | term->osc_string[term->osc_strlen] = '\0'; |
996 | switch (term->esc_args[0]) { |
374330e2 |
997 | case 0: |
998 | case 1: |
0d2086c5 |
999 | if (!cfg.no_remote_wintitle) |
a8327734 |
1000 | set_icon(term->frontend, term->osc_string); |
887035a5 |
1001 | if (term->esc_args[0] == 1) |
374330e2 |
1002 | break; |
1003 | /* fall through: parameter 0 means set both */ |
1004 | case 2: |
1005 | case 21: |
0d2086c5 |
1006 | if (!cfg.no_remote_wintitle) |
a8327734 |
1007 | set_title(term->frontend, term->osc_string); |
374330e2 |
1008 | break; |
1009 | } |
1010 | } |
1011 | } |
1012 | |
1013 | /* |
b44b307a |
1014 | * ANSI printing routines. |
1015 | */ |
887035a5 |
1016 | static void term_print_setup(Terminal *term) |
b44b307a |
1017 | { |
887035a5 |
1018 | bufchain_clear(&term->printer_buf); |
1019 | term->print_job = printer_start_job(cfg.printer); |
b44b307a |
1020 | } |
887035a5 |
1021 | static void term_print_flush(Terminal *term) |
b44b307a |
1022 | { |
1023 | void *data; |
1024 | int len; |
1025 | int size; |
887035a5 |
1026 | while ((size = bufchain_size(&term->printer_buf)) > 5) { |
1027 | bufchain_prefix(&term->printer_buf, &data, &len); |
b44b307a |
1028 | if (len > size-5) |
1029 | len = size-5; |
887035a5 |
1030 | printer_job_data(term->print_job, data, len); |
1031 | bufchain_consume(&term->printer_buf, len); |
b44b307a |
1032 | } |
1033 | } |
887035a5 |
1034 | static void term_print_finish(Terminal *term) |
b44b307a |
1035 | { |
1036 | void *data; |
1037 | int len, size; |
1038 | char c; |
1039 | |
887035a5 |
1040 | if (!term->printing && !term->only_printing) |
1709795f |
1041 | return; /* we need do nothing */ |
1042 | |
887035a5 |
1043 | term_print_flush(term); |
1044 | while ((size = bufchain_size(&term->printer_buf)) > 0) { |
1045 | bufchain_prefix(&term->printer_buf, &data, &len); |
b44b307a |
1046 | c = *(char *)data; |
1047 | if (c == '\033' || c == '\233') { |
887035a5 |
1048 | bufchain_consume(&term->printer_buf, size); |
b44b307a |
1049 | break; |
1050 | } else { |
887035a5 |
1051 | printer_job_data(term->print_job, &c, 1); |
1052 | bufchain_consume(&term->printer_buf, 1); |
b44b307a |
1053 | } |
1054 | } |
887035a5 |
1055 | printer_finish_job(term->print_job); |
1056 | term->print_job = NULL; |
1057 | term->printing = term->only_printing = FALSE; |
b44b307a |
1058 | } |
1059 | |
1060 | /* |
374330e2 |
1061 | * Remove everything currently in `inbuf' and stick it up on the |
1062 | * in-memory display. There's a big state machine in here to |
1063 | * process escape sequences... |
1064 | */ |
887035a5 |
1065 | void term_out(Terminal *term) |
32874aea |
1066 | { |
a748a096 |
1067 | int c, unget; |
1068 | unsigned char localbuf[256], *chars; |
1069 | int nchars = 0; |
1070 | |
1071 | unget = -1; |
1072 | |
1709795f |
1073 | chars = NULL; /* placate compiler warnings */ |
887035a5 |
1074 | while (nchars > 0 || bufchain_size(&term->inbuf) > 0) { |
a748a096 |
1075 | if (unget == -1) { |
1076 | if (nchars == 0) { |
1077 | void *ret; |
887035a5 |
1078 | bufchain_prefix(&term->inbuf, &ret, &nchars); |
a748a096 |
1079 | if (nchars > sizeof(localbuf)) |
1080 | nchars = sizeof(localbuf); |
1081 | memcpy(localbuf, ret, nchars); |
887035a5 |
1082 | bufchain_consume(&term->inbuf, nchars); |
a748a096 |
1083 | chars = localbuf; |
1084 | assert(chars != NULL); |
1085 | } |
1086 | c = *chars++; |
1087 | nchars--; |
c9def1b8 |
1088 | |
a748a096 |
1089 | /* |
1090 | * Optionally log the session traffic to a file. Useful for |
1091 | * debugging and possibly also useful for actual logging. |
1092 | */ |
a8327734 |
1093 | if (cfg.logtype == LGTYP_DEBUG && term->logctx) |
1094 | logtraffic(term->logctx, (unsigned char) c, LGTYP_DEBUG); |
a748a096 |
1095 | } else { |
1096 | c = unget; |
1097 | unget = -1; |
5a16642f |
1098 | } |
1099 | |
e14a5a13 |
1100 | /* Note only VT220+ are 8-bit VT102 is seven bit, it shouldn't even |
1101 | * be able to display 8-bit characters, but I'll let that go 'cause |
1102 | * of i18n. |
1103 | */ |
4eeb7d09 |
1104 | |
b44b307a |
1105 | /* |
1106 | * If we're printing, add the character to the printer |
1107 | * buffer. |
1108 | */ |
887035a5 |
1109 | if (term->printing) { |
1110 | bufchain_add(&term->printer_buf, &c, 1); |
b44b307a |
1111 | |
1112 | /* |
1113 | * If we're in print-only mode, we use a much simpler |
1114 | * state machine designed only to recognise the ESC[4i |
1115 | * termination sequence. |
1116 | */ |
887035a5 |
1117 | if (term->only_printing) { |
b44b307a |
1118 | if (c == '\033') |
887035a5 |
1119 | term->print_state = 1; |
b44b307a |
1120 | else if (c == (unsigned char)'\233') |
887035a5 |
1121 | term->print_state = 2; |
1122 | else if (c == '[' && term->print_state == 1) |
1123 | term->print_state = 2; |
1124 | else if (c == '4' && term->print_state == 2) |
1125 | term->print_state = 3; |
1126 | else if (c == 'i' && term->print_state == 3) |
1127 | term->print_state = 4; |
b44b307a |
1128 | else |
887035a5 |
1129 | term->print_state = 0; |
1130 | if (term->print_state == 4) { |
1131 | term_print_finish(term); |
b44b307a |
1132 | } |
1133 | continue; |
1134 | } |
1135 | } |
1136 | |
4eeb7d09 |
1137 | /* First see about all those translations. */ |
887035a5 |
1138 | if (term->termstate == TOPLEVEL) { |
1139 | if (in_utf(term)) |
1140 | switch (term->utf_state) { |
4eeb7d09 |
1141 | case 0: |
1142 | if (c < 0x80) { |
8f22582c |
1143 | /* UTF-8 must be stateless so we ignore iso2022. */ |
1144 | if (unitab_ctrl[c] != 0xFF) |
1145 | c = unitab_ctrl[c]; |
1146 | else c = ((unsigned char)c) | ATTR_ASCII; |
1147 | break; |
4eeb7d09 |
1148 | } else if ((c & 0xe0) == 0xc0) { |
887035a5 |
1149 | term->utf_size = term->utf_state = 1; |
1150 | term->utf_char = (c & 0x1f); |
4eeb7d09 |
1151 | } else if ((c & 0xf0) == 0xe0) { |
887035a5 |
1152 | term->utf_size = term->utf_state = 2; |
1153 | term->utf_char = (c & 0x0f); |
4eeb7d09 |
1154 | } else if ((c & 0xf8) == 0xf0) { |
887035a5 |
1155 | term->utf_size = term->utf_state = 3; |
1156 | term->utf_char = (c & 0x07); |
4eeb7d09 |
1157 | } else if ((c & 0xfc) == 0xf8) { |
887035a5 |
1158 | term->utf_size = term->utf_state = 4; |
1159 | term->utf_char = (c & 0x03); |
4eeb7d09 |
1160 | } else if ((c & 0xfe) == 0xfc) { |
887035a5 |
1161 | term->utf_size = term->utf_state = 5; |
1162 | term->utf_char = (c & 0x01); |
4eeb7d09 |
1163 | } else { |
1164 | c = UCSERR; |
1165 | break; |
1166 | } |
1167 | continue; |
1168 | case 1: |
1169 | case 2: |
1170 | case 3: |
1171 | case 4: |
1172 | case 5: |
1173 | if ((c & 0xC0) != 0x80) { |
a748a096 |
1174 | unget = c; |
5a16642f |
1175 | c = UCSERR; |
887035a5 |
1176 | term->utf_state = 0; |
4eeb7d09 |
1177 | break; |
1178 | } |
887035a5 |
1179 | term->utf_char = (term->utf_char << 6) | (c & 0x3f); |
1180 | if (--term->utf_state) |
4eeb7d09 |
1181 | continue; |
1182 | |
887035a5 |
1183 | c = term->utf_char; |
4eeb7d09 |
1184 | |
1185 | /* Is somebody trying to be evil! */ |
1186 | if (c < 0x80 || |
887035a5 |
1187 | (c < 0x800 && term->utf_size >= 2) || |
1188 | (c < 0x10000 && term->utf_size >= 3) || |
1189 | (c < 0x200000 && term->utf_size >= 4) || |
1190 | (c < 0x4000000 && term->utf_size >= 5)) |
4eeb7d09 |
1191 | c = UCSERR; |
1192 | |
1193 | /* Unicode line separator and paragraph separator are CR-LF */ |
1194 | if (c == 0x2028 || c == 0x2029) |
1195 | c = 0x85; |
1196 | |
1197 | /* High controls are probably a Baaad idea too. */ |
1198 | if (c < 0xA0) |
1199 | c = 0xFFFD; |
1200 | |
1201 | /* The UTF-16 surrogates are not nice either. */ |
1202 | /* The standard give the option of decoding these: |
1203 | * I don't want to! */ |
1204 | if (c >= 0xD800 && c < 0xE000) |
1205 | c = UCSERR; |
1206 | |
1207 | /* ISO 10646 characters now limited to UTF-16 range. */ |
1208 | if (c > 0x10FFFF) |
1209 | c = UCSERR; |
1210 | |
1211 | /* This is currently a TagPhobic application.. */ |
1212 | if (c >= 0xE0000 && c <= 0xE007F) |
1213 | continue; |
1214 | |
1215 | /* U+FEFF is best seen as a null. */ |
1216 | if (c == 0xFEFF) |
1217 | continue; |
1218 | /* But U+FFFE is an error. */ |
1219 | if (c == 0xFFFE || c == 0xFFFF) |
1220 | c = UCSERR; |
1221 | |
1222 | /* Oops this is a 16bit implementation */ |
1223 | if (c >= 0x10000) |
1224 | c = 0xFFFD; |
1225 | break; |
d3cb5465 |
1226 | } |
1227 | /* Are we in the nasty ACS mode? Note: no sco in utf mode. */ |
887035a5 |
1228 | else if(term->sco_acs && |
d3cb5465 |
1229 | (c!='\033' && c!='\n' && c!='\r' && c!='\b')) |
1230 | { |
887035a5 |
1231 | if (term->sco_acs == 2) c ^= 0x80; |
d3cb5465 |
1232 | c |= ATTR_SCOACS; |
4eeb7d09 |
1233 | } else { |
887035a5 |
1234 | switch (term->cset_attr[term->cset]) { |
4eeb7d09 |
1235 | /* |
1236 | * Linedraw characters are different from 'ESC ( B' |
1237 | * only for a small range. For ones outside that |
1238 | * range, make sure we use the same font as well as |
1239 | * the same encoding. |
1240 | */ |
1241 | case ATTR_LINEDRW: |
1242 | if (unitab_ctrl[c] != 0xFF) |
1243 | c = unitab_ctrl[c]; |
1244 | else |
1245 | c = ((unsigned char) c) | ATTR_LINEDRW; |
1246 | break; |
1247 | |
1248 | case ATTR_GBCHR: |
1249 | /* If UK-ASCII, make the '#' a LineDraw Pound */ |
1250 | if (c == '#') { |
1251 | c = '}' | ATTR_LINEDRW; |
1252 | break; |
1253 | } |
1254 | /*FALLTHROUGH*/ case ATTR_ASCII: |
1255 | if (unitab_ctrl[c] != 0xFF) |
1256 | c = unitab_ctrl[c]; |
1257 | else |
1258 | c = ((unsigned char) c) | ATTR_ASCII; |
1259 | break; |
d3cb5465 |
1260 | case ATTR_SCOACS: |
1261 | if (c>=' ') c = ((unsigned char)c) | ATTR_SCOACS; |
1262 | break; |
4eeb7d09 |
1263 | } |
1264 | } |
1265 | } |
1266 | |
1267 | /* How about C1 controls ? */ |
887035a5 |
1268 | if ((c & -32) == 0x80 && term->termstate < DO_CTRLS && |
1269 | !term->vt52_mode && has_compat(VT220)) { |
1270 | term->termstate = SEEN_ESC; |
1271 | term->esc_query = FALSE; |
4eeb7d09 |
1272 | c = '@' + (c & 0x1F); |
1273 | } |
1274 | |
1275 | /* Or the GL control. */ |
887035a5 |
1276 | if (c == '\177' && term->termstate < DO_CTRLS && has_compat(OTHER)) { |
1277 | if (term->curs.x && !term->wrapnext) |
1278 | term->curs.x--; |
1279 | term->wrapnext = FALSE; |
4eeb7d09 |
1280 | fix_cpos; |
0d2086c5 |
1281 | if (!cfg.no_dbackspace) /* destructive bksp might be disabled */ |
887035a5 |
1282 | *term->cpos = (' ' | term->curr_attr | ATTR_ASCII); |
4eeb7d09 |
1283 | } else |
1284 | /* Or normal C0 controls. */ |
887035a5 |
1285 | if ((c & -32) == 0 && term->termstate < DO_CTRLS) { |
374330e2 |
1286 | switch (c) { |
1287 | case '\005': /* terminal type query */ |
e14a5a13 |
1288 | /* Strictly speaking this is VT100 but a VT100 defaults to |
1289 | * no response. Other terminals respond at their option. |
1290 | * |
1291 | * Don't put a CR in the default string as this tends to |
1292 | * upset some weird software. |
1293 | * |
1294 | * An xterm returns "xterm" (5 characters) |
1295 | */ |
32874aea |
1296 | compatibility(ANSIMIN); |
b9d7bcad |
1297 | if (term->ldisc) { |
e7fbcdd8 |
1298 | char abuf[256], *s, *d; |
32874aea |
1299 | int state = 0; |
1300 | for (s = cfg.answerback, d = abuf; *s; s++) { |
1301 | if (state) { |
1302 | if (*s >= 'a' && *s <= 'z') |
1303 | *d++ = (*s - ('a' - 1)); |
1304 | else if ((*s >= '@' && *s <= '_') || |
1305 | *s == '?' || (*s & 0x80)) |
1306 | *d++ = ('@' ^ *s); |
1307 | else if (*s == '~') |
1308 | *d++ = '^'; |
1309 | state = 0; |
1310 | } else if (*s == '^') { |
1311 | state = 1; |
1312 | } else |
4eeb7d09 |
1313 | *d++ = *s; |
e7fbcdd8 |
1314 | } |
b9d7bcad |
1315 | lpage_send(term->ldisc, DEFAULT_CODEPAGE, |
1316 | abuf, d - abuf, 0); |
e7fbcdd8 |
1317 | } |
374330e2 |
1318 | break; |
1319 | case '\007': |
156686ef |
1320 | { |
1321 | struct beeptime *newbeep; |
286c6b86 |
1322 | unsigned long ticks; |
156686ef |
1323 | |
f7f27309 |
1324 | ticks = GETTICKCOUNT(); |
156686ef |
1325 | |
887035a5 |
1326 | if (!term->beep_overloaded) { |
156686ef |
1327 | newbeep = smalloc(sizeof(struct beeptime)); |
1328 | newbeep->ticks = ticks; |
1329 | newbeep->next = NULL; |
887035a5 |
1330 | if (!term->beephead) |
1331 | term->beephead = newbeep; |
156686ef |
1332 | else |
887035a5 |
1333 | term->beeptail->next = newbeep; |
1334 | term->beeptail = newbeep; |
1335 | term->nbeeps++; |
156686ef |
1336 | } |
1337 | |
1338 | /* |
1339 | * Throw out any beeps that happened more than |
1340 | * t seconds ago. |
1341 | */ |
887035a5 |
1342 | while (term->beephead && |
1343 | term->beephead->ticks < ticks - cfg.bellovl_t) { |
1344 | struct beeptime *tmp = term->beephead; |
1345 | term->beephead = tmp->next; |
156686ef |
1346 | sfree(tmp); |
887035a5 |
1347 | if (!term->beephead) |
1348 | term->beeptail = NULL; |
1349 | term->nbeeps--; |
156686ef |
1350 | } |
1351 | |
887035a5 |
1352 | if (cfg.bellovl && term->beep_overloaded && |
1353 | ticks - term->lastbeep >= (unsigned)cfg.bellovl_s) { |
156686ef |
1354 | /* |
1355 | * If we're currently overloaded and the |
1356 | * last beep was more than s seconds ago, |
1357 | * leave overload mode. |
1358 | */ |
887035a5 |
1359 | term->beep_overloaded = FALSE; |
1360 | } else if (cfg.bellovl && !term->beep_overloaded && |
1361 | term->nbeeps >= cfg.bellovl_n) { |
156686ef |
1362 | /* |
1363 | * Now, if we have n or more beeps |
1364 | * remaining in the queue, go into overload |
1365 | * mode. |
1366 | */ |
887035a5 |
1367 | term->beep_overloaded = TRUE; |
156686ef |
1368 | } |
887035a5 |
1369 | term->lastbeep = ticks; |
156686ef |
1370 | |
1371 | /* |
1372 | * Perform an actual beep if we're not overloaded. |
1373 | */ |
887035a5 |
1374 | if (!cfg.bellovl || !term->beep_overloaded) { |
f8a28d1f |
1375 | if (cfg.beep == BELL_VISUAL) { |
887035a5 |
1376 | term->in_vbell = TRUE; |
1377 | term->vbell_startpoint = ticks; |
1378 | term_update(term); |
1d3989ed |
1379 | } else |
a8327734 |
1380 | beep(term->frontend, cfg.beep); |
156686ef |
1381 | } |
887035a5 |
1382 | term->disptop = 0; |
156686ef |
1383 | } |
374330e2 |
1384 | break; |
1385 | case '\b': |
887035a5 |
1386 | if (term->curs.x == 0 && |
1387 | (term->curs.y == 0 || term->wrap == 0)) |
1388 | /* do nothing */ ; |
1389 | else if (term->curs.x == 0 && term->curs.y > 0) |
1390 | term->curs.x = term->cols - 1, term->curs.y--; |
1391 | else if (term->wrapnext) |
1392 | term->wrapnext = FALSE; |
374330e2 |
1393 | else |
887035a5 |
1394 | term->curs.x--; |
374330e2 |
1395 | fix_cpos; |
887035a5 |
1396 | term->seen_disp_event = TRUE; |
374330e2 |
1397 | break; |
1398 | case '\016': |
32874aea |
1399 | compatibility(VT100); |
887035a5 |
1400 | term->cset = 1; |
374330e2 |
1401 | break; |
1402 | case '\017': |
32874aea |
1403 | compatibility(VT100); |
887035a5 |
1404 | term->cset = 0; |
374330e2 |
1405 | break; |
1406 | case '\033': |
887035a5 |
1407 | if (term->vt52_mode) |
1408 | term->termstate = VT52_ESC; |
e14a5a13 |
1409 | else { |
1410 | compatibility(ANSIMIN); |
887035a5 |
1411 | term->termstate = SEEN_ESC; |
1412 | term->esc_query = FALSE; |
e14a5a13 |
1413 | } |
374330e2 |
1414 | break; |
374330e2 |
1415 | case '\r': |
887035a5 |
1416 | term->curs.x = 0; |
1417 | term->wrapnext = FALSE; |
374330e2 |
1418 | fix_cpos; |
887035a5 |
1419 | term->seen_disp_event = TRUE; |
1420 | term->paste_hold = 0; |
a8327734 |
1421 | if (term->logctx) |
1422 | logtraffic(term->logctx, (unsigned char) c, LGTYP_ASCII); |
374330e2 |
1423 | break; |
374330e2 |
1424 | case '\014': |
1a837633 |
1425 | if (has_compat(SCOANSI)) { |
887035a5 |
1426 | move(term, 0, 0, 0); |
1427 | erase_lots(term, FALSE, FALSE, TRUE); |
1428 | term->disptop = 0; |
1429 | term->wrapnext = FALSE; |
1430 | term->seen_disp_event = 1; |
1a837633 |
1431 | break; |
1432 | } |
1433 | case '\013': |
32874aea |
1434 | compatibility(VT100); |
374330e2 |
1435 | case '\n': |
887035a5 |
1436 | if (term->curs.y == term->marg_b) |
1437 | scroll(term, term->marg_t, term->marg_b, 1, TRUE); |
1438 | else if (term->curs.y < term->rows - 1) |
1439 | term->curs.y++; |
cabfd08c |
1440 | if (cfg.lfhascr) |
887035a5 |
1441 | term->curs.x = 0; |
374330e2 |
1442 | fix_cpos; |
887035a5 |
1443 | term->wrapnext = FALSE; |
1444 | term->seen_disp_event = 1; |
1445 | term->paste_hold = 0; |
a8327734 |
1446 | if (term->logctx) |
1447 | logtraffic(term->logctx, (unsigned char) c, LGTYP_ASCII); |
374330e2 |
1448 | break; |
1449 | case '\t': |
374330e2 |
1450 | { |
887035a5 |
1451 | pos old_curs = term->curs; |
1452 | unsigned long *ldata = lineptr(term->curs.y); |
c9def1b8 |
1453 | |
1454 | do { |
887035a5 |
1455 | term->curs.x++; |
1456 | } while (term->curs.x < term->cols - 1 && |
1457 | !term->tabs[term->curs.x]); |
c9def1b8 |
1458 | |
887035a5 |
1459 | if ((ldata[term->cols] & LATTR_MODE) != LATTR_NORM) { |
1460 | if (term->curs.x >= term->cols / 2) |
1461 | term->curs.x = term->cols / 2 - 1; |
32874aea |
1462 | } else { |
887035a5 |
1463 | if (term->curs.x >= term->cols) |
1464 | term->curs.x = term->cols - 1; |
c9def1b8 |
1465 | } |
1466 | |
374330e2 |
1467 | fix_cpos; |
887035a5 |
1468 | check_selection(term, old_curs, term->curs); |
374330e2 |
1469 | } |
887035a5 |
1470 | term->seen_disp_event = TRUE; |
374330e2 |
1471 | break; |
cabfd08c |
1472 | } |
32874aea |
1473 | } else |
887035a5 |
1474 | switch (term->termstate) { |
32874aea |
1475 | case TOPLEVEL: |
887035a5 |
1476 | /* Only graphic characters get this far; |
1477 | * ctrls are stripped above */ |
1478 | if (term->wrapnext && term->wrap) { |
1479 | term->cpos[1] |= LATTR_WRAPPED; |
1480 | if (term->curs.y == term->marg_b) |
1481 | scroll(term, term->marg_t, term->marg_b, 1, TRUE); |
1482 | else if (term->curs.y < term->rows - 1) |
1483 | term->curs.y++; |
1484 | term->curs.x = 0; |
32874aea |
1485 | fix_cpos; |
887035a5 |
1486 | term->wrapnext = FALSE; |
374330e2 |
1487 | } |
887035a5 |
1488 | if (term->insert) |
1489 | insch(term, 1); |
1490 | if (term->selstate != NO_SELECTION) { |
1491 | pos cursplus = term->curs; |
32874aea |
1492 | incpos(cursplus); |
887035a5 |
1493 | check_selection(term, term->curs, cursplus); |
374330e2 |
1494 | } |
a8327734 |
1495 | if (((c & CSET_MASK) == ATTR_ASCII || (c & CSET_MASK) == 0) && |
1496 | term->logctx) |
1497 | logtraffic(term->logctx, (unsigned char) c, LGTYP_ASCII); |
4eeb7d09 |
1498 | { |
1499 | extern int wcwidth(wchar_t ucs); |
1500 | int width = 0; |
1501 | if (DIRECT_CHAR(c)) |
1502 | width = 1; |
1503 | if (!width) |
1504 | width = wcwidth((wchar_t) c); |
1505 | switch (width) { |
1506 | case 2: |
887035a5 |
1507 | *term->cpos++ = c | term->curr_attr; |
1508 | if (++term->curs.x == term->cols) { |
1509 | *term->cpos |= LATTR_WRAPPED; |
1510 | if (term->curs.y == term->marg_b) |
1511 | scroll(term, term->marg_t, term->marg_b, |
1512 | 1, TRUE); |
1513 | else if (term->curs.y < term->rows - 1) |
1514 | term->curs.y++; |
1515 | term->curs.x = 0; |
5a73255e |
1516 | fix_cpos; |
4eeb7d09 |
1517 | } |
887035a5 |
1518 | *term->cpos++ = UCSWIDE | term->curr_attr; |
5a73255e |
1519 | break; |
4eeb7d09 |
1520 | case 1: |
887035a5 |
1521 | *term->cpos++ = c | term->curr_attr; |
32874aea |
1522 | break; |
4eeb7d09 |
1523 | default: |
1524 | continue; |
32874aea |
1525 | } |
374330e2 |
1526 | } |
887035a5 |
1527 | term->curs.x++; |
1528 | if (term->curs.x == term->cols) { |
1529 | term->cpos--; |
1530 | term->curs.x--; |
1531 | term->wrapnext = TRUE; |
1532 | if (term->wrap && term->vt52_mode) { |
1533 | term->cpos[1] |= LATTR_WRAPPED; |
1534 | if (term->curs.y == term->marg_b) |
1535 | scroll(term, term->marg_t, term->marg_b, 1, TRUE); |
1536 | else if (term->curs.y < term->rows - 1) |
1537 | term->curs.y++; |
1538 | term->curs.x = 0; |
4eeb7d09 |
1539 | fix_cpos; |
887035a5 |
1540 | term->wrapnext = FALSE; |
4eeb7d09 |
1541 | } |
e14a5a13 |
1542 | } |
887035a5 |
1543 | term->seen_disp_event = 1; |
374330e2 |
1544 | break; |
32874aea |
1545 | |
32874aea |
1546 | case OSC_MAYBE_ST: |
1547 | /* |
1548 | * This state is virtually identical to SEEN_ESC, with the |
1549 | * exception that we have an OSC sequence in the pipeline, |
1550 | * and _if_ we see a backslash, we process it. |
1551 | */ |
1552 | if (c == '\\') { |
887035a5 |
1553 | do_osc(term); |
1554 | term->termstate = TOPLEVEL; |
32874aea |
1555 | break; |
e14a5a13 |
1556 | } |
32874aea |
1557 | /* else fall through */ |
1558 | case SEEN_ESC: |
4eeb7d09 |
1559 | if (c >= ' ' && c <= '/') { |
887035a5 |
1560 | if (term->esc_query) |
1561 | term->esc_query = -1; |
4eeb7d09 |
1562 | else |
887035a5 |
1563 | term->esc_query = c; |
32874aea |
1564 | break; |
4eeb7d09 |
1565 | } |
887035a5 |
1566 | term->termstate = TOPLEVEL; |
1567 | switch (ANSI(c, term->esc_query)) { |
32874aea |
1568 | case '[': /* enter CSI mode */ |
887035a5 |
1569 | term->termstate = SEEN_CSI; |
1570 | term->esc_nargs = 1; |
1571 | term->esc_args[0] = ARG_DEFAULT; |
1572 | term->esc_query = FALSE; |
32874aea |
1573 | break; |
1574 | case ']': /* xterm escape sequences */ |
1575 | /* Compatibility is nasty here, xterm, linux, decterm yuk! */ |
1576 | compatibility(OTHER); |
887035a5 |
1577 | term->termstate = SEEN_OSC; |
1578 | term->esc_args[0] = 0; |
32874aea |
1579 | break; |
32874aea |
1580 | case '7': /* save cursor */ |
1581 | compatibility(VT100); |
887035a5 |
1582 | save_cursor(term, TRUE); |
32874aea |
1583 | break; |
1584 | case '8': /* restore cursor */ |
1585 | compatibility(VT100); |
887035a5 |
1586 | save_cursor(term, FALSE); |
1587 | term->seen_disp_event = TRUE; |
32874aea |
1588 | break; |
1589 | case '=': |
1590 | compatibility(VT100); |
887035a5 |
1591 | term->app_keypad_keys = TRUE; |
32874aea |
1592 | break; |
1593 | case '>': |
1594 | compatibility(VT100); |
887035a5 |
1595 | term->app_keypad_keys = FALSE; |
32874aea |
1596 | break; |
1597 | case 'D': /* exactly equivalent to LF */ |
1598 | compatibility(VT100); |
887035a5 |
1599 | if (term->curs.y == term->marg_b) |
1600 | scroll(term, term->marg_t, term->marg_b, 1, TRUE); |
1601 | else if (term->curs.y < term->rows - 1) |
1602 | term->curs.y++; |
32874aea |
1603 | fix_cpos; |
887035a5 |
1604 | term->wrapnext = FALSE; |
1605 | term->seen_disp_event = TRUE; |
32874aea |
1606 | break; |
1607 | case 'E': /* exactly equivalent to CR-LF */ |
1608 | compatibility(VT100); |
887035a5 |
1609 | term->curs.x = 0; |
1610 | if (term->curs.y == term->marg_b) |
1611 | scroll(term, term->marg_t, term->marg_b, 1, TRUE); |
1612 | else if (term->curs.y < term->rows - 1) |
1613 | term->curs.y++; |
32874aea |
1614 | fix_cpos; |
887035a5 |
1615 | term->wrapnext = FALSE; |
1616 | term->seen_disp_event = TRUE; |
32874aea |
1617 | break; |
1618 | case 'M': /* reverse index - backwards LF */ |
1619 | compatibility(VT100); |
887035a5 |
1620 | if (term->curs.y == term->marg_t) |
1621 | scroll(term, term->marg_t, term->marg_b, -1, TRUE); |
1622 | else if (term->curs.y > 0) |
1623 | term->curs.y--; |
32874aea |
1624 | fix_cpos; |
887035a5 |
1625 | term->wrapnext = FALSE; |
1626 | term->seen_disp_event = TRUE; |
32874aea |
1627 | break; |
1628 | case 'Z': /* terminal type query */ |
1629 | compatibility(VT100); |
b9d7bcad |
1630 | if (term->ldisc) |
1631 | ldisc_send(term->ldisc, term->id_string, |
1632 | strlen(term->id_string), 0); |
32874aea |
1633 | break; |
1634 | case 'c': /* restore power-on settings */ |
1635 | compatibility(VT100); |
887035a5 |
1636 | power_on(term); |
b9d7bcad |
1637 | if (term->ldisc) /* cause ldisc to notice changes */ |
1638 | ldisc_send(term->ldisc, NULL, 0, 0); |
887035a5 |
1639 | if (term->reset_132) { |
0d2086c5 |
1640 | if (!cfg.no_remote_resize) |
a8327734 |
1641 | request_resize(term->frontend, 80, term->rows); |
887035a5 |
1642 | term->reset_132 = 0; |
374330e2 |
1643 | } |
32874aea |
1644 | fix_cpos; |
887035a5 |
1645 | term->disptop = 0; |
1646 | term->seen_disp_event = TRUE; |
32874aea |
1647 | break; |
32874aea |
1648 | case 'H': /* set a tab */ |
1649 | compatibility(VT100); |
887035a5 |
1650 | term->tabs[term->curs.x] = TRUE; |
32874aea |
1651 | break; |
4eeb7d09 |
1652 | |
1653 | case ANSI('8', '#'): /* ESC # 8 fills screen with Es :-) */ |
1654 | compatibility(VT100); |
1655 | { |
1656 | unsigned long *ldata; |
1657 | int i, j; |
1658 | pos scrtop, scrbot; |
1659 | |
887035a5 |
1660 | for (i = 0; i < term->rows; i++) { |
4eeb7d09 |
1661 | ldata = lineptr(i); |
887035a5 |
1662 | for (j = 0; j < term->cols; j++) |
4eeb7d09 |
1663 | ldata[j] = ATTR_DEFAULT | 'E'; |
887035a5 |
1664 | ldata[term->cols] = 0; |
4eeb7d09 |
1665 | } |
887035a5 |
1666 | term->disptop = 0; |
1667 | term->seen_disp_event = TRUE; |
4eeb7d09 |
1668 | scrtop.x = scrtop.y = 0; |
1669 | scrbot.x = 0; |
887035a5 |
1670 | scrbot.y = term->rows; |
1671 | check_selection(term, scrtop, scrbot); |
4eeb7d09 |
1672 | } |
1673 | break; |
1674 | |
1675 | case ANSI('3', '#'): |
1676 | case ANSI('4', '#'): |
1677 | case ANSI('5', '#'): |
1678 | case ANSI('6', '#'): |
1679 | compatibility(VT100); |
1680 | { |
1681 | unsigned long nlattr; |
1682 | unsigned long *ldata; |
887035a5 |
1683 | switch (ANSI(c, term->esc_query)) { |
4eeb7d09 |
1684 | case ANSI('3', '#'): |
1685 | nlattr = LATTR_TOP; |
1686 | break; |
1687 | case ANSI('4', '#'): |
1688 | nlattr = LATTR_BOT; |
1689 | break; |
1690 | case ANSI('5', '#'): |
1691 | nlattr = LATTR_NORM; |
1692 | break; |
2d466ffd |
1693 | default: /* spiritually case ANSI('6', '#'): */ |
4eeb7d09 |
1694 | nlattr = LATTR_WIDE; |
1695 | break; |
1696 | } |
887035a5 |
1697 | ldata = lineptr(term->curs.y); |
1698 | ldata[term->cols] &= ~LATTR_MODE; |
1699 | ldata[term->cols] |= nlattr; |
4eeb7d09 |
1700 | } |
1701 | break; |
1702 | |
1703 | case ANSI('A', '('): |
1704 | compatibility(VT100); |
0d2086c5 |
1705 | if (!cfg.no_remote_charset) |
887035a5 |
1706 | term->cset_attr[0] = ATTR_GBCHR; |
4eeb7d09 |
1707 | break; |
1708 | case ANSI('B', '('): |
1709 | compatibility(VT100); |
0d2086c5 |
1710 | if (!cfg.no_remote_charset) |
887035a5 |
1711 | term->cset_attr[0] = ATTR_ASCII; |
4eeb7d09 |
1712 | break; |
1713 | case ANSI('0', '('): |
1714 | compatibility(VT100); |
0d2086c5 |
1715 | if (!cfg.no_remote_charset) |
887035a5 |
1716 | term->cset_attr[0] = ATTR_LINEDRW; |
4eeb7d09 |
1717 | break; |
d3cb5465 |
1718 | case ANSI('U', '('): |
1719 | compatibility(OTHER); |
0d2086c5 |
1720 | if (!cfg.no_remote_charset) |
887035a5 |
1721 | term->cset_attr[0] = ATTR_SCOACS; |
d3cb5465 |
1722 | break; |
4eeb7d09 |
1723 | |
1724 | case ANSI('A', ')'): |
1725 | compatibility(VT100); |
0d2086c5 |
1726 | if (!cfg.no_remote_charset) |
887035a5 |
1727 | term->cset_attr[1] = ATTR_GBCHR; |
4eeb7d09 |
1728 | break; |
1729 | case ANSI('B', ')'): |
1730 | compatibility(VT100); |
0d2086c5 |
1731 | if (!cfg.no_remote_charset) |
887035a5 |
1732 | term->cset_attr[1] = ATTR_ASCII; |
4eeb7d09 |
1733 | break; |
1734 | case ANSI('0', ')'): |
1735 | compatibility(VT100); |
0d2086c5 |
1736 | if (!cfg.no_remote_charset) |
887035a5 |
1737 | term->cset_attr[1] = ATTR_LINEDRW; |
4eeb7d09 |
1738 | break; |
d3cb5465 |
1739 | case ANSI('U', ')'): |
1740 | compatibility(OTHER); |
0d2086c5 |
1741 | if (!cfg.no_remote_charset) |
887035a5 |
1742 | term->cset_attr[1] = ATTR_SCOACS; |
d3cb5465 |
1743 | break; |
4eeb7d09 |
1744 | |
1745 | case ANSI('8', '%'): /* Old Linux code */ |
1746 | case ANSI('G', '%'): |
1747 | compatibility(OTHER); |
0d2086c5 |
1748 | if (!cfg.no_remote_charset) |
887035a5 |
1749 | term->utf = 1; |
4eeb7d09 |
1750 | break; |
1751 | case ANSI('@', '%'): |
1752 | compatibility(OTHER); |
0d2086c5 |
1753 | if (!cfg.no_remote_charset) |
887035a5 |
1754 | term->utf = 0; |
4eeb7d09 |
1755 | break; |
374330e2 |
1756 | } |
1757 | break; |
32874aea |
1758 | case SEEN_CSI: |
887035a5 |
1759 | term->termstate = TOPLEVEL; /* default */ |
32874aea |
1760 | if (isdigit(c)) { |
887035a5 |
1761 | if (term->esc_nargs <= ARGS_MAX) { |
1762 | if (term->esc_args[term->esc_nargs - 1] == ARG_DEFAULT) |
1763 | term->esc_args[term->esc_nargs - 1] = 0; |
1764 | term->esc_args[term->esc_nargs - 1] = |
1765 | 10 * term->esc_args[term->esc_nargs - 1] + c - '0'; |
32874aea |
1766 | } |
887035a5 |
1767 | term->termstate = SEEN_CSI; |
32874aea |
1768 | } else if (c == ';') { |
887035a5 |
1769 | if (++term->esc_nargs <= ARGS_MAX) |
1770 | term->esc_args[term->esc_nargs - 1] = ARG_DEFAULT; |
1771 | term->termstate = SEEN_CSI; |
32874aea |
1772 | } else if (c < '@') { |
887035a5 |
1773 | if (term->esc_query) |
1774 | term->esc_query = -1; |
32874aea |
1775 | else if (c == '?') |
887035a5 |
1776 | term->esc_query = TRUE; |
32874aea |
1777 | else |
887035a5 |
1778 | term->esc_query = c; |
1779 | term->termstate = SEEN_CSI; |
32874aea |
1780 | } else |
887035a5 |
1781 | switch (ANSI(c, term->esc_query)) { |
32874aea |
1782 | case 'A': /* move up N lines */ |
887035a5 |
1783 | move(term, term->curs.x, |
1784 | term->curs.y - def(term->esc_args[0], 1), 1); |
1785 | term->seen_disp_event = TRUE; |
32874aea |
1786 | break; |
1787 | case 'e': /* move down N lines */ |
1788 | compatibility(ANSI); |
5442e92f |
1789 | /* FALLTHROUGH */ |
32874aea |
1790 | case 'B': |
887035a5 |
1791 | move(term, term->curs.x, |
1792 | term->curs.y + def(term->esc_args[0], 1), 1); |
1793 | term->seen_disp_event = TRUE; |
32874aea |
1794 | break; |
32874aea |
1795 | case ANSI('c', '>'): /* report xterm version */ |
1796 | compatibility(OTHER); |
1797 | /* this reports xterm version 136 so that VIM can |
1798 | use the drag messages from the mouse reporting */ |
b9d7bcad |
1799 | if (term->ldisc) |
1800 | ldisc_send(term->ldisc, "\033[>0;136;0c", 11, 0); |
32874aea |
1801 | break; |
5442e92f |
1802 | case 'a': /* move right N cols */ |
1803 | compatibility(ANSI); |
1804 | /* FALLTHROUGH */ |
32874aea |
1805 | case 'C': |
887035a5 |
1806 | move(term, term->curs.x + def(term->esc_args[0], 1), |
1807 | term->curs.y, 1); |
1808 | term->seen_disp_event = TRUE; |
32874aea |
1809 | break; |
1810 | case 'D': /* move left N cols */ |
887035a5 |
1811 | move(term, term->curs.x - def(term->esc_args[0], 1), |
1812 | term->curs.y, 1); |
1813 | term->seen_disp_event = TRUE; |
32874aea |
1814 | break; |
1815 | case 'E': /* move down N lines and CR */ |
1816 | compatibility(ANSI); |
887035a5 |
1817 | move(term, 0, |
1818 | term->curs.y + def(term->esc_args[0], 1), 1); |
1819 | term->seen_disp_event = TRUE; |
32874aea |
1820 | break; |
1821 | case 'F': /* move up N lines and CR */ |
1822 | compatibility(ANSI); |
887035a5 |
1823 | move(term, 0, |
1824 | term->curs.y - def(term->esc_args[0], 1), 1); |
1825 | term->seen_disp_event = TRUE; |
32874aea |
1826 | break; |
1827 | case 'G': |
1828 | case '`': /* set horizontal posn */ |
1829 | compatibility(ANSI); |
887035a5 |
1830 | move(term, def(term->esc_args[0], 1) - 1, |
1831 | term->curs.y, 0); |
1832 | term->seen_disp_event = TRUE; |
32874aea |
1833 | break; |
1834 | case 'd': /* set vertical posn */ |
1835 | compatibility(ANSI); |
887035a5 |
1836 | move(term, term->curs.x, |
1837 | ((term->dec_om ? term->marg_t : 0) + |
1838 | def(term->esc_args[0], 1) - 1), |
1839 | (term->dec_om ? 2 : 0)); |
1840 | term->seen_disp_event = TRUE; |
32874aea |
1841 | break; |
1842 | case 'H': |
1843 | case 'f': /* set horz and vert posns at once */ |
887035a5 |
1844 | if (term->esc_nargs < 2) |
1845 | term->esc_args[1] = ARG_DEFAULT; |
1846 | move(term, def(term->esc_args[1], 1) - 1, |
1847 | ((term->dec_om ? term->marg_t : 0) + |
1848 | def(term->esc_args[0], 1) - 1), |
1849 | (term->dec_om ? 2 : 0)); |
1850 | term->seen_disp_event = TRUE; |
32874aea |
1851 | break; |
1852 | case 'J': /* erase screen or parts of it */ |
1853 | { |
887035a5 |
1854 | unsigned int i = def(term->esc_args[0], 0) + 1; |
32874aea |
1855 | if (i > 3) |
1856 | i = 0; |
887035a5 |
1857 | erase_lots(term, FALSE, !!(i & 2), !!(i & 1)); |
32874aea |
1858 | } |
887035a5 |
1859 | term->disptop = 0; |
1860 | term->seen_disp_event = TRUE; |
32874aea |
1861 | break; |
1862 | case 'K': /* erase line or parts of it */ |
1863 | { |
887035a5 |
1864 | unsigned int i = def(term->esc_args[0], 0) + 1; |
32874aea |
1865 | if (i > 3) |
1866 | i = 0; |
887035a5 |
1867 | erase_lots(term, TRUE, !!(i & 2), !!(i & 1)); |
32874aea |
1868 | } |
887035a5 |
1869 | term->seen_disp_event = TRUE; |
32874aea |
1870 | break; |
1871 | case 'L': /* insert lines */ |
1872 | compatibility(VT102); |
887035a5 |
1873 | if (term->curs.y <= term->marg_b) |
1874 | scroll(term, term->curs.y, term->marg_b, |
1875 | -def(term->esc_args[0], 1), FALSE); |
32874aea |
1876 | fix_cpos; |
887035a5 |
1877 | term->seen_disp_event = TRUE; |
32874aea |
1878 | break; |
1879 | case 'M': /* delete lines */ |
1880 | compatibility(VT102); |
887035a5 |
1881 | if (term->curs.y <= term->marg_b) |
1882 | scroll(term, term->curs.y, term->marg_b, |
1883 | def(term->esc_args[0], 1), |
32874aea |
1884 | TRUE); |
1885 | fix_cpos; |
887035a5 |
1886 | term->seen_disp_event = TRUE; |
32874aea |
1887 | break; |
1888 | case '@': /* insert chars */ |
1889 | /* XXX VTTEST says this is vt220, vt510 manual says vt102 */ |
1890 | compatibility(VT102); |
887035a5 |
1891 | insch(term, def(term->esc_args[0], 1)); |
1892 | term->seen_disp_event = TRUE; |
32874aea |
1893 | break; |
1894 | case 'P': /* delete chars */ |
1895 | compatibility(VT102); |
887035a5 |
1896 | insch(term, -def(term->esc_args[0], 1)); |
1897 | term->seen_disp_event = TRUE; |
32874aea |
1898 | break; |
1899 | case 'c': /* terminal type query */ |
1900 | compatibility(VT100); |
1901 | /* This is the response for a VT102 */ |
b9d7bcad |
1902 | if (term->ldisc) |
1903 | ldisc_send(term->ldisc, term->id_string, |
1904 | strlen(term->id_string), 0); |
32874aea |
1905 | break; |
1906 | case 'n': /* cursor position query */ |
b9d7bcad |
1907 | if (term->ldisc) { |
1908 | if (term->esc_args[0] == 6) { |
1909 | char buf[32]; |
1910 | sprintf(buf, "\033[%d;%dR", term->curs.y + 1, |
1911 | term->curs.x + 1); |
1912 | ldisc_send(term->ldisc, buf, strlen(buf), 0); |
1913 | } else if (term->esc_args[0] == 5) { |
1914 | ldisc_send(term->ldisc, "\033[0n", 4, 0); |
1915 | } |
32874aea |
1916 | } |
1917 | break; |
1918 | case 'h': /* toggle modes to high */ |
1919 | case ANSI_QUE('h'): |
1920 | compatibility(VT100); |
1921 | { |
1922 | int i; |
887035a5 |
1923 | for (i = 0; i < term->esc_nargs; i++) |
1924 | toggle_mode(term, term->esc_args[i], |
1925 | term->esc_query, TRUE); |
32874aea |
1926 | } |
1927 | break; |
b44b307a |
1928 | case 'i': |
1929 | case ANSI_QUE('i'): |
1930 | compatibility(VT100); |
1931 | { |
887035a5 |
1932 | if (term->esc_nargs != 1) break; |
1933 | if (term->esc_args[0] == 5 && *cfg.printer) { |
1934 | term->printing = TRUE; |
1935 | term->only_printing = !term->esc_query; |
1936 | term->print_state = 0; |
1937 | term_print_setup(term); |
1938 | } else if (term->esc_args[0] == 4 && |
1939 | term->printing) { |
1940 | term_print_finish(term); |
b44b307a |
1941 | } |
1942 | } |
1943 | break; |
32874aea |
1944 | case 'l': /* toggle modes to low */ |
1945 | case ANSI_QUE('l'): |
1946 | compatibility(VT100); |
1947 | { |
1948 | int i; |
887035a5 |
1949 | for (i = 0; i < term->esc_nargs; i++) |
1950 | toggle_mode(term, term->esc_args[i], |
1951 | term->esc_query, FALSE); |
32874aea |
1952 | } |
1953 | break; |
1954 | case 'g': /* clear tabs */ |
1955 | compatibility(VT100); |
887035a5 |
1956 | if (term->esc_nargs == 1) { |
1957 | if (term->esc_args[0] == 0) { |
1958 | term->tabs[term->curs.x] = FALSE; |
1959 | } else if (term->esc_args[0] == 3) { |
32874aea |
1960 | int i; |
887035a5 |
1961 | for (i = 0; i < term->cols; i++) |
1962 | term->tabs[i] = FALSE; |
32874aea |
1963 | } |
1964 | } |
1965 | break; |
1966 | case 'r': /* set scroll margins */ |
1967 | compatibility(VT100); |
887035a5 |
1968 | if (term->esc_nargs <= 2) { |
32874aea |
1969 | int top, bot; |
887035a5 |
1970 | top = def(term->esc_args[0], 1) - 1; |
1971 | bot = (term->esc_nargs <= 1 |
1972 | || term->esc_args[1] == 0 ? |
1973 | term->rows : |
1974 | def(term->esc_args[1], term->rows)) - 1; |
1975 | if (bot >= term->rows) |
1976 | bot = term->rows - 1; |
32874aea |
1977 | /* VTTEST Bug 9 - if region is less than 2 lines |
1978 | * don't change region. |
1979 | */ |
1980 | if (bot - top > 0) { |
887035a5 |
1981 | term->marg_t = top; |
1982 | term->marg_b = bot; |
1983 | term->curs.x = 0; |
32874aea |
1984 | /* |
1985 | * I used to think the cursor should be |
1986 | * placed at the top of the newly marginned |
1987 | * area. Apparently not: VMS TPU falls over |
1988 | * if so. |
1989 | * |
887035a5 |
1990 | * Well actually it should for |
1991 | * Origin mode - RDB |
32874aea |
1992 | */ |
887035a5 |
1993 | term->curs.y = (term->dec_om ? |
1994 | term->marg_t : 0); |
32874aea |
1995 | fix_cpos; |
887035a5 |
1996 | term->seen_disp_event = TRUE; |
32874aea |
1997 | } |
1998 | } |
1999 | break; |
2000 | case 'm': /* set graphics rendition */ |
2001 | { |
2002 | /* |
887035a5 |
2003 | * A VT100 without the AVO only had one |
2004 | * attribute, either underline or |
2005 | * reverse video depending on the |
2006 | * cursor type, this was selected by |
2007 | * CSI 7m. |
32874aea |
2008 | * |
2009 | * case 2: |
887035a5 |
2010 | * This is sometimes DIM, eg on the |
2011 | * GIGI and Linux |
32874aea |
2012 | * case 8: |
4eeb7d09 |
2013 | * This is sometimes INVIS various ANSI. |
32874aea |
2014 | * case 21: |
2015 | * This like 22 disables BOLD, DIM and INVIS |
2016 | * |
887035a5 |
2017 | * The ANSI colours appear on any |
2018 | * terminal that has colour (obviously) |
2019 | * but the interaction between sgr0 and |
2020 | * the colours varies but is usually |
2021 | * related to the background colour |
2022 | * erase item. The interaction between |
2023 | * colour attributes and the mono ones |
2024 | * is also very implementation |
2025 | * dependent. |
32874aea |
2026 | * |
887035a5 |
2027 | * The 39 and 49 attributes are likely |
2028 | * to be unimplemented. |
32874aea |
2029 | */ |
2030 | int i; |
887035a5 |
2031 | for (i = 0; i < term->esc_nargs; i++) { |
2032 | switch (def(term->esc_args[i], 0)) { |
32874aea |
2033 | case 0: /* restore defaults */ |
887035a5 |
2034 | term->curr_attr = ATTR_DEFAULT; |
32874aea |
2035 | break; |
2036 | case 1: /* enable bold */ |
2037 | compatibility(VT100AVO); |
887035a5 |
2038 | term->curr_attr |= ATTR_BOLD; |
32874aea |
2039 | break; |
2040 | case 21: /* (enable double underline) */ |
2041 | compatibility(OTHER); |
2042 | case 4: /* enable underline */ |
2043 | compatibility(VT100AVO); |
887035a5 |
2044 | term->curr_attr |= ATTR_UNDER; |
32874aea |
2045 | break; |
2046 | case 5: /* enable blink */ |
2047 | compatibility(VT100AVO); |
887035a5 |
2048 | term->curr_attr |= ATTR_BLINK; |
32874aea |
2049 | break; |
2050 | case 7: /* enable reverse video */ |
887035a5 |
2051 | term->curr_attr |= ATTR_REVERSE; |
32874aea |
2052 | break; |
d3cb5465 |
2053 | case 10: /* SCO acs off */ |
2054 | compatibility(SCOANSI); |
0d2086c5 |
2055 | if (cfg.no_remote_charset) break; |
887035a5 |
2056 | term->sco_acs = 0; break; |
d3cb5465 |
2057 | case 11: /* SCO acs on */ |
2058 | compatibility(SCOANSI); |
0d2086c5 |
2059 | if (cfg.no_remote_charset) break; |
887035a5 |
2060 | term->sco_acs = 1; break; |
d3cb5465 |
2061 | case 12: /* SCO acs on flipped */ |
2062 | compatibility(SCOANSI); |
0d2086c5 |
2063 | if (cfg.no_remote_charset) break; |
887035a5 |
2064 | term->sco_acs = 2; break; |
32874aea |
2065 | case 22: /* disable bold */ |
2066 | compatibility2(OTHER, VT220); |
887035a5 |
2067 | term->curr_attr &= ~ATTR_BOLD; |
32874aea |
2068 | break; |
2069 | case 24: /* disable underline */ |
2070 | compatibility2(OTHER, VT220); |
887035a5 |
2071 | term->curr_attr &= ~ATTR_UNDER; |
32874aea |
2072 | break; |
2073 | case 25: /* disable blink */ |
2074 | compatibility2(OTHER, VT220); |
887035a5 |
2075 | term->curr_attr &= ~ATTR_BLINK; |
32874aea |
2076 | break; |
2077 | case 27: /* disable reverse video */ |
2078 | compatibility2(OTHER, VT220); |
887035a5 |
2079 | term->curr_attr &= ~ATTR_REVERSE; |
32874aea |
2080 | break; |
2081 | case 30: |
2082 | case 31: |
2083 | case 32: |
2084 | case 33: |
2085 | case 34: |
2086 | case 35: |
2087 | case 36: |
2088 | case 37: |
2089 | /* foreground */ |
887035a5 |
2090 | term->curr_attr &= ~ATTR_FGMASK; |
2091 | term->curr_attr |= |
2092 | (term->esc_args[i] - 30)<<ATTR_FGSHIFT; |
32874aea |
2093 | break; |
2094 | case 39: /* default-foreground */ |
887035a5 |
2095 | term->curr_attr &= ~ATTR_FGMASK; |
2096 | term->curr_attr |= ATTR_DEFFG; |
32874aea |
2097 | break; |
2098 | case 40: |
2099 | case 41: |
2100 | case 42: |
2101 | case 43: |
2102 | case 44: |
2103 | case 45: |
2104 | case 46: |
2105 | case 47: |
2106 | /* background */ |
887035a5 |
2107 | term->curr_attr &= ~ATTR_BGMASK; |
2108 | term->curr_attr |= |
2109 | (term->esc_args[i] - 40)<<ATTR_BGSHIFT; |
32874aea |
2110 | break; |
2111 | case 49: /* default-background */ |
887035a5 |
2112 | term->curr_attr &= ~ATTR_BGMASK; |
2113 | term->curr_attr |= ATTR_DEFBG; |
32874aea |
2114 | break; |
2115 | } |
2116 | } |
887035a5 |
2117 | if (term->use_bce) |
2118 | term->erase_char = (' ' | ATTR_ASCII | |
2119 | (term->curr_attr & |
2120 | (ATTR_FGMASK | |
2121 | ATTR_BGMASK))); |
32874aea |
2122 | } |
2123 | break; |
2124 | case 's': /* save cursor */ |
887035a5 |
2125 | save_cursor(term, TRUE); |
32874aea |
2126 | break; |
2127 | case 'u': /* restore cursor */ |
887035a5 |
2128 | save_cursor(term, FALSE); |
2129 | term->seen_disp_event = TRUE; |
32874aea |
2130 | break; |
2131 | case 't': /* set page size - ie window height */ |
374330e2 |
2132 | /* |
32874aea |
2133 | * VT340/VT420 sequence DECSLPP, DEC only allows values |
2134 | * 24/25/36/48/72/144 other emulators (eg dtterm) use |
2135 | * illegal values (eg first arg 1..9) for window changing |
2136 | * and reports. |
2137 | */ |
887035a5 |
2138 | if (term->esc_nargs <= 1 |
2139 | && (term->esc_args[0] < 1 || |
2140 | term->esc_args[0] >= 24)) { |
68f9b3d9 |
2141 | compatibility(VT340TEXT); |
0d2086c5 |
2142 | if (!cfg.no_remote_resize) |
a8327734 |
2143 | request_resize(term->frontend, term->cols, |
887035a5 |
2144 | def(term->esc_args[0], 24)); |
2145 | deselect(term); |
2146 | } else if (term->esc_nargs >= 1 && |
2147 | term->esc_args[0] >= 1 && |
2148 | term->esc_args[0] < 24) { |
68f9b3d9 |
2149 | compatibility(OTHER); |
2150 | |
887035a5 |
2151 | switch (term->esc_args[0]) { |
68f9b3d9 |
2152 | int x, y, len; |
2153 | char buf[80], *p; |
2154 | case 1: |
a8327734 |
2155 | set_iconic(term->frontend, FALSE); |
68f9b3d9 |
2156 | break; |
2157 | case 2: |
a8327734 |
2158 | set_iconic(term->frontend, TRUE); |
68f9b3d9 |
2159 | break; |
2160 | case 3: |
887035a5 |
2161 | if (term->esc_nargs >= 3) { |
740f2ef2 |
2162 | if (!cfg.no_remote_resize) |
a8327734 |
2163 | move_window(term->frontend, |
2164 | def(term->esc_args[1], 0), |
887035a5 |
2165 | def(term->esc_args[2], 0)); |
68f9b3d9 |
2166 | } |
2167 | break; |
2168 | case 4: |
2169 | /* We should resize the window to a given |
2170 | * size in pixels here, but currently our |
2171 | * resizing code isn't healthy enough to |
2172 | * manage it. */ |
2173 | break; |
2174 | case 5: |
a8327734 |
2175 | /* move to top */ |
2176 | set_zorder(term->frontend, TRUE); |
68f9b3d9 |
2177 | break; |
2178 | case 6: |
a8327734 |
2179 | /* move to bottom */ |
2180 | set_zorder(term->frontend, FALSE); |
68f9b3d9 |
2181 | break; |
2182 | case 7: |
a8327734 |
2183 | refresh_window(term->frontend); |
68f9b3d9 |
2184 | break; |
2185 | case 8: |
887035a5 |
2186 | if (term->esc_nargs >= 3) { |
0d2086c5 |
2187 | if (!cfg.no_remote_resize) |
a8327734 |
2188 | request_resize(term->frontend, |
2189 | def(term->esc_args[2], cfg.width), |
887035a5 |
2190 | def(term->esc_args[1], cfg.height)); |
68f9b3d9 |
2191 | } |
2192 | break; |
2193 | case 9: |
887035a5 |
2194 | if (term->esc_nargs >= 2) |
a8327734 |
2195 | set_zoomed(term->frontend, |
2196 | term->esc_args[1] ? |
887035a5 |
2197 | TRUE : FALSE); |
68f9b3d9 |
2198 | break; |
2199 | case 11: |
b9d7bcad |
2200 | if (term->ldisc) |
2201 | ldisc_send(term->ldisc, |
a8327734 |
2202 | is_iconic(term->frontend) ? |
2203 | "\033[1t" : "\033[2t", 4, 0); |
68f9b3d9 |
2204 | break; |
2205 | case 13: |
b9d7bcad |
2206 | if (term->ldisc) { |
a8327734 |
2207 | get_window_pos(term->frontend, &x, &y); |
b9d7bcad |
2208 | len = sprintf(buf, "\033[3;%d;%dt", x, y); |
2209 | ldisc_send(term->ldisc, buf, len, 0); |
2210 | } |
68f9b3d9 |
2211 | break; |
2212 | case 14: |
b9d7bcad |
2213 | if (term->ldisc) { |
a8327734 |
2214 | get_window_pixels(term->frontend, &x, &y); |
b9d7bcad |
2215 | len = sprintf(buf, "\033[4;%d;%dt", x, y); |
2216 | ldisc_send(term->ldisc, buf, len, 0); |
2217 | } |
68f9b3d9 |
2218 | break; |
2219 | case 18: |
b9d7bcad |
2220 | if (term->ldisc) { |
2221 | len = sprintf(buf, "\033[8;%d;%dt", |
2222 | term->rows, term->cols); |
2223 | ldisc_send(term->ldisc, buf, len, 0); |
2224 | } |
68f9b3d9 |
2225 | break; |
2226 | case 19: |
2227 | /* |
2228 | * Hmmm. Strictly speaking we |
2229 | * should return `the size of the |
2230 | * screen in characters', but |
2231 | * that's not easy: (a) window |
2232 | * furniture being what it is it's |
2233 | * hard to compute, and (b) in |
2234 | * resize-font mode maximising the |
2235 | * window wouldn't change the |
2236 | * number of characters. *shrug*. I |
2237 | * think we'll ignore it for the |
2238 | * moment and see if anyone |
2239 | * complains, and then ask them |
2240 | * what they would like it to do. |
2241 | */ |
2242 | break; |
2243 | case 20: |
b9d7bcad |
2244 | if (term->ldisc) { |
a8327734 |
2245 | p = get_window_title(term->frontend, TRUE); |
b9d7bcad |
2246 | len = strlen(p); |
2247 | ldisc_send(term->ldisc, "\033]L", 3, 0); |
2248 | ldisc_send(term->ldisc, p, len, 0); |
2249 | ldisc_send(term->ldisc, "\033\\", 2, 0); |
2250 | } |
68f9b3d9 |
2251 | break; |
2252 | case 21: |
b9d7bcad |
2253 | if (term->ldisc) { |
a8327734 |
2254 | p = get_window_title(term->frontend,FALSE); |
b9d7bcad |
2255 | len = strlen(p); |
2256 | ldisc_send(term->ldisc, "\033]l", 3, 0); |
2257 | ldisc_send(term->ldisc, p, len, 0); |
2258 | ldisc_send(term->ldisc, "\033\\", 2, 0); |
2259 | } |
68f9b3d9 |
2260 | break; |
2261 | } |
32874aea |
2262 | } |
2263 | break; |
1a837633 |
2264 | case 'S': |
2265 | compatibility(SCOANSI); |
887035a5 |
2266 | scroll(term, term->marg_t, term->marg_b, |
2267 | def(term->esc_args[0], 1), TRUE); |
1a837633 |
2268 | fix_cpos; |
887035a5 |
2269 | term->wrapnext = FALSE; |
2270 | term->seen_disp_event = TRUE; |
1a837633 |
2271 | break; |
2272 | case 'T': |
2273 | compatibility(SCOANSI); |
887035a5 |
2274 | scroll(term, term->marg_t, term->marg_b, |
2275 | -def(term->esc_args[0], 1), TRUE); |
1a837633 |
2276 | fix_cpos; |
887035a5 |
2277 | term->wrapnext = FALSE; |
2278 | term->seen_disp_event = TRUE; |
1a837633 |
2279 | break; |
32874aea |
2280 | case ANSI('|', '*'): |
2281 | /* VT420 sequence DECSNLS |
2282 | * Set number of lines on screen |
2283 | * VT420 uses VGA like hardware and can support any size in |
2284 | * reasonable range (24..49 AIUI) with no default specified. |
2285 | */ |
2286 | compatibility(VT420); |
887035a5 |
2287 | if (term->esc_nargs == 1 && term->esc_args[0] > 0) { |
0d2086c5 |
2288 | if (!cfg.no_remote_resize) |
a8327734 |
2289 | request_resize(term->frontend, term->cols, |
887035a5 |
2290 | def(term->esc_args[0], |
2291 | cfg.height)); |
2292 | deselect(term); |
32874aea |
2293 | } |
2294 | break; |
2295 | case ANSI('|', '$'): |
2296 | /* VT340/VT420 sequence DECSCPP |
2297 | * Set number of columns per page |
2298 | * Docs imply range is only 80 or 132, but I'll allow any. |
2299 | */ |
2300 | compatibility(VT340TEXT); |
887035a5 |
2301 | if (term->esc_nargs <= 1) { |
0d2086c5 |
2302 | if (!cfg.no_remote_resize) |
a8327734 |
2303 | request_resize(term->frontend, |
2304 | def(term->esc_args[0], |
887035a5 |
2305 | cfg.width), term->rows); |
2306 | deselect(term); |
32874aea |
2307 | } |
2308 | break; |
2309 | case 'X': /* write N spaces w/o moving cursor */ |
2310 | /* XXX VTTEST says this is vt220, vt510 manual says vt100 */ |
2311 | compatibility(ANSIMIN); |
2312 | { |
887035a5 |
2313 | int n = def(term->esc_args[0], 1); |
32874aea |
2314 | pos cursplus; |
887035a5 |
2315 | unsigned long *p = term->cpos; |
2316 | if (n > term->cols - term->curs.x) |
2317 | n = term->cols - term->curs.x; |
2318 | cursplus = term->curs; |
32874aea |
2319 | cursplus.x += n; |
887035a5 |
2320 | check_selection(term, term->curs, cursplus); |
32874aea |
2321 | while (n--) |
887035a5 |
2322 | *p++ = term->erase_char; |
2323 | term->seen_disp_event = TRUE; |
32874aea |
2324 | } |
2325 | break; |
2326 | case 'x': /* report terminal characteristics */ |
2327 | compatibility(VT100); |
b9d7bcad |
2328 | if (term->ldisc) { |
32874aea |
2329 | char buf[32]; |
887035a5 |
2330 | int i = def(term->esc_args[0], 0); |
32874aea |
2331 | if (i == 0 || i == 1) { |
2332 | strcpy(buf, "\033[2;1;1;112;112;1;0x"); |
2333 | buf[2] += i; |
b9d7bcad |
2334 | ldisc_send(term->ldisc, buf, 20, 0); |
32874aea |
2335 | } |
2336 | } |
2337 | break; |
979f6987 |
2338 | case 'Z': /* BackTab for xterm */ |
2339 | compatibility(OTHER); |
2340 | { |
887035a5 |
2341 | int i = def(term->esc_args[0], 1); |
2342 | pos old_curs = term->curs; |
979f6987 |
2343 | |
887035a5 |
2344 | for(;i>0 && term->curs.x>0; i--) { |
979f6987 |
2345 | do { |
887035a5 |
2346 | term->curs.x--; |
2347 | } while (term->curs.x >0 && |
2348 | !term->tabs[term->curs.x]); |
979f6987 |
2349 | } |
2350 | fix_cpos; |
887035a5 |
2351 | check_selection(term, old_curs, term->curs); |
979f6987 |
2352 | } |
2353 | break; |
32874aea |
2354 | case ANSI('L', '='): |
2355 | compatibility(OTHER); |
887035a5 |
2356 | term->use_bce = (term->esc_args[0] <= 0); |
2357 | term->erase_char = ERASE_CHAR; |
2358 | if (term->use_bce) |
2359 | term->erase_char = (' ' | ATTR_ASCII | |
2360 | (term->curr_attr & |
2361 | (ATTR_FGMASK | ATTR_BGMASK))); |
32874aea |
2362 | break; |
2363 | case ANSI('E', '='): |
2364 | compatibility(OTHER); |
887035a5 |
2365 | term->blink_is_real = (term->esc_args[0] >= 1); |
32874aea |
2366 | break; |
2367 | case ANSI('p', '"'): |
887035a5 |
2368 | /* |
2369 | * Allow the host to make this emulator a |
2370 | * 'perfect' VT102. This first appeared in |
2371 | * the VT220, but we do need to get back to |
2372 | * PuTTY mode so I won't check it. |
e14a5a13 |
2373 | * |
4eeb7d09 |
2374 | * The arg in 40..42,50 are a PuTTY extension. |
32874aea |
2375 | * The 2nd arg, 8bit vs 7bit is not checked. |
2376 | * |
887035a5 |
2377 | * Setting VT102 mode should also change |
2378 | * the Fkeys to generate PF* codes as a |
2379 | * real VT102 has no Fkeys. The VT220 does |
2380 | * this, F11..F13 become ESC,BS,LF other |
2381 | * Fkeys send nothing. |
32874aea |
2382 | * |
2383 | * Note ESC c will NOT change this! |
374330e2 |
2384 | */ |
32874aea |
2385 | |
887035a5 |
2386 | switch (term->esc_args[0]) { |
32874aea |
2387 | case 61: |
887035a5 |
2388 | term->compatibility_level &= ~TM_VTXXX; |
2389 | term->compatibility_level |= TM_VT102; |
374330e2 |
2390 | break; |
32874aea |
2391 | case 62: |
887035a5 |
2392 | term->compatibility_level &= ~TM_VTXXX; |
2393 | term->compatibility_level |= TM_VT220; |
32874aea |
2394 | break; |
2395 | |
2396 | default: |
887035a5 |
2397 | if (term->esc_args[0] > 60 && |
2398 | term->esc_args[0] < 70) |
2399 | term->compatibility_level |= TM_VTXXX; |
32874aea |
2400 | break; |
2401 | |
2402 | case 40: |
887035a5 |
2403 | term->compatibility_level &= TM_VTXXX; |
374330e2 |
2404 | break; |
32874aea |
2405 | case 41: |
887035a5 |
2406 | term->compatibility_level = TM_PUTTY; |
374330e2 |
2407 | break; |
32874aea |
2408 | case 42: |
887035a5 |
2409 | term->compatibility_level = TM_SCOANSI; |
374330e2 |
2410 | break; |
32874aea |
2411 | |
2412 | case ARG_DEFAULT: |
887035a5 |
2413 | term->compatibility_level = TM_PUTTY; |
32874aea |
2414 | break; |
2415 | case 50: |
2416 | break; |
2417 | } |
2418 | |
2419 | /* Change the response to CSI c */ |
887035a5 |
2420 | if (term->esc_args[0] == 50) { |
32874aea |
2421 | int i; |
2422 | char lbuf[64]; |
887035a5 |
2423 | strcpy(term->id_string, "\033[?"); |
2424 | for (i = 1; i < term->esc_nargs; i++) { |
32874aea |
2425 | if (i != 1) |
887035a5 |
2426 | strcat(term->id_string, ";"); |
2427 | sprintf(lbuf, "%d", term->esc_args[i]); |
2428 | strcat(term->id_string, lbuf); |
32874aea |
2429 | } |
887035a5 |
2430 | strcat(term->id_string, "c"); |
32874aea |
2431 | } |
2432 | #if 0 |
2433 | /* Is this a good idea ? |
2434 | * Well we should do a soft reset at this point ... |
2435 | */ |
2436 | if (!has_compat(VT420) && has_compat(VT100)) { |
0d2086c5 |
2437 | if (!cfg.no_remote_resize) { |
887035a5 |
2438 | if (term->reset_132) |
0d2086c5 |
2439 | request_resize(132, 24); |
2440 | else |
2441 | request_resize(80, 24); |
2442 | } |
374330e2 |
2443 | } |
32874aea |
2444 | #endif |
2445 | break; |
374330e2 |
2446 | } |
374330e2 |
2447 | break; |
32874aea |
2448 | case SEEN_OSC: |
887035a5 |
2449 | term->osc_w = FALSE; |
32874aea |
2450 | switch (c) { |
2451 | case 'P': /* Linux palette sequence */ |
887035a5 |
2452 | term->termstate = SEEN_OSC_P; |
2453 | term->osc_strlen = 0; |
32874aea |
2454 | break; |
2455 | case 'R': /* Linux palette reset */ |
a8327734 |
2456 | palette_reset(term->frontend); |
887035a5 |
2457 | term_invalidate(term); |
2458 | term->termstate = TOPLEVEL; |
32874aea |
2459 | break; |
2460 | case 'W': /* word-set */ |
887035a5 |
2461 | term->termstate = SEEN_OSC_W; |
2462 | term->osc_w = TRUE; |
32874aea |
2463 | break; |
2464 | case '0': |
2465 | case '1': |
2466 | case '2': |
2467 | case '3': |
2468 | case '4': |
2469 | case '5': |
2470 | case '6': |
2471 | case '7': |
2472 | case '8': |
2473 | case '9': |
887035a5 |
2474 | term->esc_args[0] = 10 * term->esc_args[0] + c - '0'; |
32874aea |
2475 | break; |
2476 | case 'L': |
2477 | /* |
2478 | * Grotty hack to support xterm and DECterm title |
2479 | * sequences concurrently. |
2480 | */ |
887035a5 |
2481 | if (term->esc_args[0] == 2) { |
2482 | term->esc_args[0] = 1; |
32874aea |
2483 | break; |
2484 | } |
2485 | /* else fall through */ |
2486 | default: |
887035a5 |
2487 | term->termstate = OSC_STRING; |
2488 | term->osc_strlen = 0; |
e14a5a13 |
2489 | } |
2490 | break; |
32874aea |
2491 | case OSC_STRING: |
2492 | /* |
2493 | * This OSC stuff is EVIL. It takes just one character to get into |
2494 | * sysline mode and it's not initially obvious how to get out. |
2495 | * So I've added CR and LF as string aborts. |
2496 | * This shouldn't effect compatibility as I believe embedded |
2497 | * control characters are supposed to be interpreted (maybe?) |
2498 | * and they don't display anything useful anyway. |
2499 | * |
2500 | * -- RDB |
e14a5a13 |
2501 | */ |
32874aea |
2502 | if (c == '\n' || c == '\r') { |
887035a5 |
2503 | term->termstate = TOPLEVEL; |
32874aea |
2504 | } else if (c == 0234 || c == '\007') { |
2505 | /* |
2506 | * These characters terminate the string; ST and BEL |
2507 | * terminate the sequence and trigger instant |
2508 | * processing of it, whereas ESC goes back to SEEN_ESC |
2509 | * mode unless it is followed by \, in which case it is |
2510 | * synonymous with ST in the first place. |
2511 | */ |
887035a5 |
2512 | do_osc(term); |
2513 | term->termstate = TOPLEVEL; |
32874aea |
2514 | } else if (c == '\033') |
887035a5 |
2515 | term->termstate = OSC_MAYBE_ST; |
2516 | else if (term->osc_strlen < OSC_STR_MAX) |
2517 | term->osc_string[term->osc_strlen++] = c; |
374330e2 |
2518 | break; |
32874aea |
2519 | case SEEN_OSC_P: |
374330e2 |
2520 | { |
887035a5 |
2521 | int max = (term->osc_strlen == 0 ? 21 : 16); |
32874aea |
2522 | int val; |
2523 | if (c >= '0' && c <= '9') |
2524 | val = c - '0'; |
2525 | else if (c >= 'A' && c <= 'A' + max - 10) |
2526 | val = c - 'A' + 10; |
2527 | else if (c >= 'a' && c <= 'a' + max - 10) |
2528 | val = c - 'a' + 10; |
2d466ffd |
2529 | else { |
887035a5 |
2530 | term->termstate = TOPLEVEL; |
2d466ffd |
2531 | break; |
2532 | } |
887035a5 |
2533 | term->osc_string[term->osc_strlen++] = val; |
2534 | if (term->osc_strlen >= 7) { |
a8327734 |
2535 | palette_set(term->frontend, term->osc_string[0], |
887035a5 |
2536 | term->osc_string[1] * 16 + term->osc_string[2], |
2537 | term->osc_string[3] * 16 + term->osc_string[4], |
2538 | term->osc_string[5] * 16 + term->osc_string[6]); |
2539 | term_invalidate(term); |
2540 | term->termstate = TOPLEVEL; |
374330e2 |
2541 | } |
2542 | } |
2543 | break; |
32874aea |
2544 | case SEEN_OSC_W: |
2545 | switch (c) { |
2546 | case '0': |
2547 | case '1': |
2548 | case '2': |
2549 | case '3': |
2550 | case '4': |
2551 | case '5': |
2552 | case '6': |
2553 | case '7': |
2554 | case '8': |
2555 | case '9': |
887035a5 |
2556 | term->esc_args[0] = 10 * term->esc_args[0] + c - '0'; |
32874aea |
2557 | break; |
2558 | default: |
887035a5 |
2559 | term->termstate = OSC_STRING; |
2560 | term->osc_strlen = 0; |
ec55b220 |
2561 | } |
32874aea |
2562 | break; |
32874aea |
2563 | case VT52_ESC: |
887035a5 |
2564 | term->termstate = TOPLEVEL; |
2565 | term->seen_disp_event = TRUE; |
c9def1b8 |
2566 | switch (c) { |
32874aea |
2567 | case 'A': |
887035a5 |
2568 | move(term, term->curs.x, term->curs.y - 1, 1); |
32874aea |
2569 | break; |
2570 | case 'B': |
887035a5 |
2571 | move(term, term->curs.x, term->curs.y + 1, 1); |
32874aea |
2572 | break; |
2573 | case 'C': |
887035a5 |
2574 | move(term, term->curs.x + 1, term->curs.y, 1); |
32874aea |
2575 | break; |
2576 | case 'D': |
887035a5 |
2577 | move(term, term->curs.x - 1, term->curs.y, 1); |
32874aea |
2578 | break; |
4eeb7d09 |
2579 | /* |
2580 | * From the VT100 Manual |
2581 | * NOTE: The special graphics characters in the VT100 |
2582 | * are different from those in the VT52 |
2583 | * |
2584 | * From VT102 manual: |
2585 | * 137 _ Blank - Same |
2586 | * 140 ` Reserved - Humm. |
2587 | * 141 a Solid rectangle - Similar |
2588 | * 142 b 1/ - Top half of fraction for the |
2589 | * 143 c 3/ - subscript numbers below. |
2590 | * 144 d 5/ |
2591 | * 145 e 7/ |
2592 | * 146 f Degrees - Same |
2593 | * 147 g Plus or minus - Same |
2594 | * 150 h Right arrow |
2595 | * 151 i Ellipsis (dots) |
2596 | * 152 j Divide by |
2597 | * 153 k Down arrow |
2598 | * 154 l Bar at scan 0 |
2599 | * 155 m Bar at scan 1 |
2600 | * 156 n Bar at scan 2 |
2601 | * 157 o Bar at scan 3 - Similar |
2602 | * 160 p Bar at scan 4 - Similar |
2603 | * 161 q Bar at scan 5 - Similar |
2604 | * 162 r Bar at scan 6 - Same |
2605 | * 163 s Bar at scan 7 - Similar |
2606 | * 164 t Subscript 0 |
2607 | * 165 u Subscript 1 |
2608 | * 166 v Subscript 2 |
2609 | * 167 w Subscript 3 |
2610 | * 170 x Subscript 4 |
2611 | * 171 y Subscript 5 |
2612 | * 172 z Subscript 6 |
2613 | * 173 { Subscript 7 |
2614 | * 174 | Subscript 8 |
2615 | * 175 } Subscript 9 |
2616 | * 176 ~ Paragraph |
2617 | * |
2618 | */ |
32874aea |
2619 | case 'F': |
887035a5 |
2620 | term->cset_attr[term->cset = 0] = ATTR_LINEDRW; |
32874aea |
2621 | break; |
2622 | case 'G': |
887035a5 |
2623 | term->cset_attr[term->cset = 0] = ATTR_ASCII; |
32874aea |
2624 | break; |
2625 | case 'H': |
887035a5 |
2626 | move(term, 0, 0, 0); |
32874aea |
2627 | break; |
2628 | case 'I': |
887035a5 |
2629 | if (term->curs.y == 0) |
2630 | scroll(term, 0, term->rows - 1, -1, TRUE); |
2631 | else if (term->curs.y > 0) |
2632 | term->curs.y--; |
32874aea |
2633 | fix_cpos; |
887035a5 |
2634 | term->wrapnext = FALSE; |
32874aea |
2635 | break; |
2636 | case 'J': |
887035a5 |
2637 | erase_lots(term, FALSE, FALSE, TRUE); |
2638 | term->disptop = 0; |
c9def1b8 |
2639 | break; |
32874aea |
2640 | case 'K': |
887035a5 |
2641 | erase_lots(term, TRUE, FALSE, TRUE); |
32874aea |
2642 | break; |
4eeb7d09 |
2643 | #if 0 |
32874aea |
2644 | case 'V': |
2645 | /* XXX Print cursor line */ |
2646 | break; |
2647 | case 'W': |
2648 | /* XXX Start controller mode */ |
2649 | break; |
2650 | case 'X': |
2651 | /* XXX Stop controller mode */ |
2652 | break; |
4eeb7d09 |
2653 | #endif |
32874aea |
2654 | case 'Y': |
887035a5 |
2655 | term->termstate = VT52_Y1; |
32874aea |
2656 | break; |
2657 | case 'Z': |
b9d7bcad |
2658 | if (term->ldisc) |
2659 | ldisc_send(term->ldisc, "\033/Z", 3, 0); |
32874aea |
2660 | break; |
2661 | case '=': |
887035a5 |
2662 | term->app_keypad_keys = TRUE; |
32874aea |
2663 | break; |
2664 | case '>': |
887035a5 |
2665 | term->app_keypad_keys = FALSE; |
32874aea |
2666 | break; |
2667 | case '<': |
2668 | /* XXX This should switch to VT100 mode not current or default |
2669 | * VT mode. But this will only have effect in a VT220+ |
2670 | * emulation. |
2671 | */ |
887035a5 |
2672 | term->vt52_mode = FALSE; |
2673 | term->blink_is_real = cfg.blinktext; |
32874aea |
2674 | break; |
4eeb7d09 |
2675 | #if 0 |
32874aea |
2676 | case '^': |
2677 | /* XXX Enter auto print mode */ |
2678 | break; |
2679 | case '_': |
2680 | /* XXX Exit auto print mode */ |
2681 | break; |
2682 | case ']': |
2683 | /* XXX Print screen */ |
2684 | break; |
4eeb7d09 |
2685 | #endif |
2686 | |
2687 | #ifdef VT52_PLUS |
2688 | case 'E': |
2689 | /* compatibility(ATARI) */ |
887035a5 |
2690 | move(term, 0, 0, 0); |
2691 | erase_lots(term, FALSE, FALSE, TRUE); |
2692 | term->disptop = 0; |
4eeb7d09 |
2693 | break; |
2694 | case 'L': |
2695 | /* compatibility(ATARI) */ |
887035a5 |
2696 | if (term->curs.y <= term->marg_b) |
2697 | scroll(term, term->curs.y, term->marg_b, -1, FALSE); |
4eeb7d09 |
2698 | break; |
2699 | case 'M': |
2700 | /* compatibility(ATARI) */ |
887035a5 |
2701 | if (term->curs.y <= term->marg_b) |
2702 | scroll(term, term->curs.y, term->marg_b, 1, TRUE); |
4eeb7d09 |
2703 | break; |
2704 | case 'b': |
2705 | /* compatibility(ATARI) */ |
887035a5 |
2706 | term->termstate = VT52_FG; |
4eeb7d09 |
2707 | break; |
2708 | case 'c': |
2709 | /* compatibility(ATARI) */ |
887035a5 |
2710 | term->termstate = VT52_BG; |
4eeb7d09 |
2711 | break; |
2712 | case 'd': |
2713 | /* compatibility(ATARI) */ |
887035a5 |
2714 | erase_lots(term, FALSE, TRUE, FALSE); |
2715 | term->disptop = 0; |
4eeb7d09 |
2716 | break; |
2717 | case 'e': |
2718 | /* compatibility(ATARI) */ |
887035a5 |
2719 | term->cursor_on = TRUE; |
4eeb7d09 |
2720 | break; |
2721 | case 'f': |
2722 | /* compatibility(ATARI) */ |
887035a5 |
2723 | term->cursor_on = FALSE; |
4eeb7d09 |
2724 | break; |
2725 | /* case 'j': Save cursor position - broken on ST */ |
2726 | /* case 'k': Restore cursor position */ |
2727 | case 'l': |
2728 | /* compatibility(ATARI) */ |
887035a5 |
2729 | erase_lots(term, TRUE, TRUE, TRUE); |
2730 | term->curs.x = 0; |
2731 | term->wrapnext = FALSE; |
4eeb7d09 |
2732 | fix_cpos; |
2733 | break; |
2734 | case 'o': |
2735 | /* compatibility(ATARI) */ |
887035a5 |
2736 | erase_lots(term, TRUE, TRUE, FALSE); |
4eeb7d09 |
2737 | break; |
2738 | case 'p': |
2739 | /* compatibility(ATARI) */ |
887035a5 |
2740 | term->curr_attr |= ATTR_REVERSE; |
4eeb7d09 |
2741 | break; |
2742 | case 'q': |
2743 | /* compatibility(ATARI) */ |
887035a5 |
2744 | term->curr_attr &= ~ATTR_REVERSE; |
4eeb7d09 |
2745 | break; |
2746 | case 'v': /* wrap Autowrap on - Wyse style */ |
2747 | /* compatibility(ATARI) */ |
887035a5 |
2748 | term->wrap = 1; |
4eeb7d09 |
2749 | break; |
2750 | case 'w': /* Autowrap off */ |
2751 | /* compatibility(ATARI) */ |
887035a5 |
2752 | term->wrap = 0; |
4eeb7d09 |
2753 | break; |
2754 | |
2755 | case 'R': |
2756 | /* compatibility(OTHER) */ |
887035a5 |
2757 | term->vt52_bold = FALSE; |
2758 | term->curr_attr = ATTR_DEFAULT; |
2759 | if (term->use_bce) |
2760 | term->erase_char = (' ' | ATTR_ASCII | |
2761 | (term->curr_attr & |
2762 | (ATTR_FGMASK | ATTR_BGMASK))); |
4eeb7d09 |
2763 | break; |
2764 | case 'S': |
2765 | /* compatibility(VI50) */ |
887035a5 |
2766 | term->curr_attr |= ATTR_UNDER; |
4eeb7d09 |
2767 | break; |
2768 | case 'W': |
2769 | /* compatibility(VI50) */ |
887035a5 |
2770 | term->curr_attr &= ~ATTR_UNDER; |
4eeb7d09 |
2771 | break; |
2772 | case 'U': |
2773 | /* compatibility(VI50) */ |
887035a5 |
2774 | term->vt52_bold = TRUE; |
2775 | term->curr_attr |= ATTR_BOLD; |
4eeb7d09 |
2776 | break; |
2777 | case 'T': |
2778 | /* compatibility(VI50) */ |
887035a5 |
2779 | term->vt52_bold = FALSE; |
2780 | term->curr_attr &= ~ATTR_BOLD; |
4eeb7d09 |
2781 | break; |
2782 | #endif |
c9def1b8 |
2783 | } |
e14a5a13 |
2784 | break; |
32874aea |
2785 | case VT52_Y1: |
887035a5 |
2786 | term->termstate = VT52_Y2; |
2787 | move(term, term->curs.x, c - ' ', 0); |
e14a5a13 |
2788 | break; |
32874aea |
2789 | case VT52_Y2: |
887035a5 |
2790 | term->termstate = TOPLEVEL; |
2791 | move(term, c - ' ', term->curs.y, 0); |
e14a5a13 |
2792 | break; |
4eeb7d09 |
2793 | |
2794 | #ifdef VT52_PLUS |
2795 | case VT52_FG: |
887035a5 |
2796 | term->termstate = TOPLEVEL; |
2797 | term->curr_attr &= ~ATTR_FGMASK; |
2798 | term->curr_attr &= ~ATTR_BOLD; |
2799 | term->curr_attr |= (c & 0x7) << ATTR_FGSHIFT; |
2800 | if ((c & 0x8) || term->vt52_bold) |
2801 | term->curr_attr |= ATTR_BOLD; |
2802 | |
2803 | if (term->use_bce) |
2804 | term->erase_char = (' ' | ATTR_ASCII | |
2805 | (term->curr_attr & |
2806 | (ATTR_FGMASK | ATTR_BGMASK))); |
4eeb7d09 |
2807 | break; |
2808 | case VT52_BG: |
887035a5 |
2809 | term->termstate = TOPLEVEL; |
2810 | term->curr_attr &= ~ATTR_BGMASK; |
2811 | term->curr_attr &= ~ATTR_BLINK; |
2812 | term->curr_attr |= (c & 0x7) << ATTR_BGSHIFT; |
4eeb7d09 |
2813 | |
2814 | /* Note: bold background */ |
2815 | if (c & 0x8) |
887035a5 |
2816 | term->curr_attr |= ATTR_BLINK; |
4eeb7d09 |
2817 | |
887035a5 |
2818 | if (term->use_bce) |
2819 | term->erase_char = (' ' | ATTR_ASCII | |
2820 | (term->curr_attr & |
2821 | (ATTR_FGMASK | ATTR_BGMASK))); |
4eeb7d09 |
2822 | break; |
2823 | #endif |
2d466ffd |
2824 | default: break; /* placate gcc warning about enum use */ |
e14a5a13 |
2825 | } |
887035a5 |
2826 | if (term->selstate != NO_SELECTION) { |
2827 | pos cursplus = term->curs; |
4facdf84 |
2828 | incpos(cursplus); |
887035a5 |
2829 | check_selection(term, term->curs, cursplus); |
4facdf84 |
2830 | } |
374330e2 |
2831 | } |
b44b307a |
2832 | |
887035a5 |
2833 | term_print_flush(term); |
374330e2 |
2834 | } |
2835 | |
4eeb7d09 |
2836 | #if 0 |
374330e2 |
2837 | /* |
2838 | * Compare two lines to determine whether they are sufficiently |
2839 | * alike to scroll-optimise one to the other. Return the degree of |
2840 | * similarity. |
2841 | */ |
887035a5 |
2842 | static int linecmp(Terminal *term, unsigned long *a, unsigned long *b) |
32874aea |
2843 | { |
374330e2 |
2844 | int i, n; |
2845 | |
887035a5 |
2846 | for (i = n = 0; i < term->cols; i++) |
374330e2 |
2847 | n += (*a++ == *b++); |
2848 | return n; |
2849 | } |
4eeb7d09 |
2850 | #endif |
374330e2 |
2851 | |
2852 | /* |
2853 | * Given a context, update the window. Out of paranoia, we don't |
2854 | * allow WM_PAINT responses to do scrolling optimisations. |
2855 | */ |
887035a5 |
2856 | static void do_paint(Terminal *term, Context ctx, int may_optimise) |
32874aea |
2857 | { |
4eeb7d09 |
2858 | int i, j, our_curs_y; |
2859 | unsigned long rv, cursor; |
4facdf84 |
2860 | pos scrpos; |
374330e2 |
2861 | char ch[1024]; |
4eeb7d09 |
2862 | long cursor_background = ERASE_CHAR; |
286c6b86 |
2863 | unsigned long ticks; |
374330e2 |
2864 | |
156686ef |
2865 | /* |
2866 | * Check the visual bell state. |
2867 | */ |
887035a5 |
2868 | if (term->in_vbell) { |
f7f27309 |
2869 | ticks = GETTICKCOUNT(); |
887035a5 |
2870 | if (ticks - term->vbell_startpoint >= VBELL_TIMEOUT) |
2871 | term->in_vbell = FALSE; |
286c6b86 |
2872 | } |
156686ef |
2873 | |
887035a5 |
2874 | rv = (!term->rvideo ^ !term->in_vbell ? ATTR_REVERSE : 0); |
4eeb7d09 |
2875 | |
156686ef |
2876 | /* Depends on: |
2877 | * screen array, disptop, scrtop, |
2878 | * selection, rv, |
2879 | * cfg.blinkpc, blink_is_real, tblinker, |
4eeb7d09 |
2880 | * curs.y, curs.x, blinker, cfg.blink_cur, cursor_on, has_focus, wrapnext |
156686ef |
2881 | */ |
4eeb7d09 |
2882 | |
2883 | /* Has the cursor position or type changed ? */ |
887035a5 |
2884 | if (term->cursor_on) { |
2885 | if (term->has_focus) { |
2886 | if (term->blinker || !cfg.blink_cur) |
4eeb7d09 |
2887 | cursor = TATTR_ACTCURS; |
32874aea |
2888 | else |
2889 | cursor = 0; |
2890 | } else |
4eeb7d09 |
2891 | cursor = TATTR_PASCURS; |
887035a5 |
2892 | if (term->wrapnext) |
4eeb7d09 |
2893 | cursor |= TATTR_RIGHTCURS; |
32874aea |
2894 | } else |
156686ef |
2895 | cursor = 0; |
887035a5 |
2896 | our_curs_y = term->curs.y - term->disptop; |
2897 | |
2898 | if (term->dispcurs && (term->curstype != cursor || |
2899 | term->dispcurs != |
2900 | term->disptext + our_curs_y * (term->cols + 1) + |
2901 | term->curs.x)) { |
2902 | if (term->dispcurs > term->disptext && |
2903 | (*term->dispcurs & (CHAR_MASK | CSET_MASK)) == UCSWIDE) |
2904 | term->dispcurs[-1] |= ATTR_INVALID; |
2905 | if ( (term->dispcurs[1] & (CHAR_MASK | CSET_MASK)) == UCSWIDE) |
2906 | term->dispcurs[1] |= ATTR_INVALID; |
2907 | *term->dispcurs |= ATTR_INVALID; |
2908 | term->curstype = 0; |
4eeb7d09 |
2909 | } |
887035a5 |
2910 | term->dispcurs = NULL; |
4eeb7d09 |
2911 | |
2912 | /* The normal screen data */ |
887035a5 |
2913 | for (i = 0; i < term->rows; i++) { |
4facdf84 |
2914 | unsigned long *ldata; |
2915 | int lattr; |
6908fed7 |
2916 | int idx, dirty_line, dirty_run, selected; |
4eeb7d09 |
2917 | unsigned long attr = 0; |
2918 | int updated_line = 0; |
2919 | int start = 0; |
2920 | int ccount = 0; |
2921 | int last_run_dirty = 0; |
2922 | |
887035a5 |
2923 | scrpos.y = i + term->disptop; |
4facdf84 |
2924 | ldata = lineptr(scrpos.y); |
887035a5 |
2925 | lattr = (ldata[term->cols] & LATTR_MODE); |
4eeb7d09 |
2926 | |
887035a5 |
2927 | idx = i * (term->cols + 1); |
2928 | dirty_run = dirty_line = (ldata[term->cols] != |
2929 | term->disptext[idx + term->cols]); |
2930 | term->disptext[idx + term->cols] = ldata[term->cols]; |
4eeb7d09 |
2931 | |
887035a5 |
2932 | for (j = 0; j < term->cols; j++, idx++) { |
4eeb7d09 |
2933 | unsigned long tattr, tchar; |
2934 | unsigned long *d = ldata + j; |
2935 | int break_run; |
4facdf84 |
2936 | scrpos.x = j; |
32874aea |
2937 | |
4eeb7d09 |
2938 | tchar = (*d & (CHAR_MASK | CSET_MASK)); |
2939 | tattr = (*d & (ATTR_MASK ^ CSET_MASK)); |
2940 | switch (tchar & CSET_MASK) { |
2941 | case ATTR_ASCII: |
2942 | tchar = unitab_line[tchar & 0xFF]; |
2943 | break; |
2944 | case ATTR_LINEDRW: |
2945 | tchar = unitab_xterm[tchar & 0xFF]; |
2946 | break; |
d3cb5465 |
2947 | case ATTR_SCOACS: |
2948 | tchar = unitab_scoacs[tchar&0xFF]; |
2949 | break; |
4eeb7d09 |
2950 | } |
2951 | tattr |= (tchar & CSET_MASK); |
2952 | tchar &= CHAR_MASK; |
5a73255e |
2953 | if ((d[1] & (CHAR_MASK | CSET_MASK)) == UCSWIDE) |
2954 | tattr |= ATTR_WIDE; |
4eeb7d09 |
2955 | |
2956 | /* Video reversing things */ |
f278d6f8 |
2957 | if (term->selstate == DRAGGING || term->selstate == SELECTED) { |
2958 | if (term->seltype == LEXICOGRAPHIC) |
2959 | selected = (posle(term->selstart, scrpos) && |
2960 | poslt(scrpos, term->selend)); |
2961 | else |
2962 | selected = (posPle(term->selstart, scrpos) && |
2963 | posPlt(scrpos, term->selend)); |
2964 | } else |
2965 | selected = FALSE; |
4eeb7d09 |
2966 | tattr = (tattr ^ rv |
6908fed7 |
2967 | ^ (selected ? ATTR_REVERSE : 0)); |
4eeb7d09 |
2968 | |
2969 | /* 'Real' blinking ? */ |
887035a5 |
2970 | if (term->blink_is_real && (tattr & ATTR_BLINK)) { |
2971 | if (term->has_focus && term->tblinker) { |
4eeb7d09 |
2972 | tchar = ' '; |
2973 | tattr &= ~CSET_MASK; |
2974 | tattr |= ATTR_ACP; |
c9def1b8 |
2975 | } |
4eeb7d09 |
2976 | tattr &= ~ATTR_BLINK; |
c9def1b8 |
2977 | } |
374330e2 |
2978 | |
5a73255e |
2979 | /* |
2980 | * Check the font we'll _probably_ be using to see if |
2981 | * the character is wide when we don't want it to be. |
2982 | */ |
887035a5 |
2983 | if ((tchar | tattr) != (term->disptext[idx]& ~ATTR_NARROW)) { |
5a73255e |
2984 | if ((tattr & ATTR_WIDE) == 0 && |
2985 | CharWidth(ctx, (tchar | tattr) & 0xFFFF) == 2) |
2986 | tattr |= ATTR_NARROW; |
887035a5 |
2987 | } else if (term->disptext[idx]&ATTR_NARROW) |
5a73255e |
2988 | tattr |= ATTR_NARROW; |
2989 | |
4eeb7d09 |
2990 | /* Cursor here ? Save the 'background' */ |
887035a5 |
2991 | if (i == our_curs_y && j == term->curs.x) { |
4eeb7d09 |
2992 | cursor_background = tattr | tchar; |
887035a5 |
2993 | term->dispcurs = term->disptext + idx; |
4eeb7d09 |
2994 | } |
374330e2 |
2995 | |
887035a5 |
2996 | if ((term->disptext[idx] ^ tattr) & ATTR_WIDE) |
4eeb7d09 |
2997 | dirty_line = TRUE; |
2998 | |
2999 | break_run = (tattr != attr || j - start >= sizeof(ch)); |
3000 | |
3001 | /* Special hack for VT100 Linedraw glyphs */ |
3002 | if ((attr & CSET_MASK) == 0x2300 && tchar >= 0xBA |
3003 | && tchar <= 0xBD) break_run = TRUE; |
3004 | |
3005 | if (!dbcs_screenfont && !dirty_line) { |
887035a5 |
3006 | if ((tchar | tattr) == term->disptext[idx]) |
4eeb7d09 |
3007 | break_run = TRUE; |
3008 | else if (!dirty_run && ccount == 1) |
3009 | break_run = TRUE; |
374330e2 |
3010 | } |
4eeb7d09 |
3011 | |
3012 | if (break_run) { |
3013 | if ((dirty_run || last_run_dirty) && ccount > 0) { |
3014 | do_text(ctx, start, i, ch, ccount, attr, lattr); |
3015 | updated_line = 1; |
3016 | } |
3017 | start = j; |
3018 | ccount = 0; |
3019 | attr = tattr; |
3020 | if (dbcs_screenfont) |
3021 | last_run_dirty = dirty_run; |
3022 | dirty_run = dirty_line; |
3023 | } |
3024 | |
887035a5 |
3025 | if ((tchar | tattr) != term->disptext[idx]) |
4eeb7d09 |
3026 | dirty_run = TRUE; |
3027 | ch[ccount++] = (char) tchar; |
887035a5 |
3028 | term->disptext[idx] = tchar | tattr; |
4eeb7d09 |
3029 | |
3030 | /* If it's a wide char step along to the next one. */ |
3031 | if (tattr & ATTR_WIDE) { |
887035a5 |
3032 | if (++j < term->cols) { |
4eeb7d09 |
3033 | idx++; |
3034 | d++; |
3035 | /* Cursor is here ? Ouch! */ |
887035a5 |
3036 | if (i == our_curs_y && j == term->curs.x) { |
4eeb7d09 |
3037 | cursor_background = *d; |
887035a5 |
3038 | term->dispcurs = term->disptext + idx; |
4eeb7d09 |
3039 | } |
887035a5 |
3040 | if (term->disptext[idx] != *d) |
4eeb7d09 |
3041 | dirty_run = TRUE; |
887035a5 |
3042 | term->disptext[idx] = *d; |
374330e2 |
3043 | } |
374330e2 |
3044 | } |
4eeb7d09 |
3045 | } |
3046 | if (dirty_run && ccount > 0) { |
3047 | do_text(ctx, start, i, ch, ccount, attr, lattr); |
3048 | updated_line = 1; |
3049 | } |
3050 | |
3051 | /* Cursor on this line ? (and changed) */ |
887035a5 |
3052 | if (i == our_curs_y && (term->curstype != cursor || updated_line)) { |
4eeb7d09 |
3053 | ch[0] = (char) (cursor_background & CHAR_MASK); |
3054 | attr = (cursor_background & ATTR_MASK) | cursor; |
887035a5 |
3055 | do_cursor(ctx, term->curs.x, i, ch, 1, attr, lattr); |
3056 | term->curstype = cursor; |
374330e2 |
3057 | } |
3058 | } |
3059 | } |
3060 | |
3061 | /* |
e14a5a13 |
3062 | * Flick the switch that says if blinking things should be shown or hidden. |
3063 | */ |
3064 | |
887035a5 |
3065 | void term_blink(Terminal *term, int flg) |
32874aea |
3066 | { |
e14a5a13 |
3067 | long now, blink_diff; |
3068 | |
f7f27309 |
3069 | now = GETTICKCOUNT(); |
887035a5 |
3070 | blink_diff = now - term->last_tblink; |
c9def1b8 |
3071 | |
1d3989ed |
3072 | /* Make sure the text blinks no more than 2Hz; we'll use 0.45 s period. */ |
3073 | if (blink_diff < 0 || blink_diff > (TICKSPERSEC * 9 / 20)) { |
887035a5 |
3074 | term->last_tblink = now; |
3075 | term->tblinker = !term->tblinker; |
c9def1b8 |
3076 | } |
3077 | |
e14a5a13 |
3078 | if (flg) { |
887035a5 |
3079 | term->blinker = 1; |
3080 | term->last_blink = now; |
e14a5a13 |
3081 | return; |
32874aea |
3082 | } |
e14a5a13 |
3083 | |
887035a5 |
3084 | blink_diff = now - term->last_blink; |
e14a5a13 |
3085 | |
f7f27309 |
3086 | /* Make sure the cursor blinks no faster than system blink rate */ |
3087 | if (blink_diff >= 0 && blink_diff < (long) CURSORBLINK) |
32874aea |
3088 | return; |
3089 | |
887035a5 |
3090 | term->last_blink = now; |
3091 | term->blinker = !term->blinker; |
e14a5a13 |
3092 | } |
3093 | |
3094 | /* |
374330e2 |
3095 | * Invalidate the whole screen so it will be repainted in full. |
3096 | */ |
887035a5 |
3097 | void term_invalidate(Terminal *term) |
32874aea |
3098 | { |
374330e2 |
3099 | int i; |
3100 | |
887035a5 |
3101 | for (i = 0; i < term->rows * (term->cols + 1); i++) |
3102 | term->disptext[i] = ATTR_INVALID; |
374330e2 |
3103 | } |
3104 | |
3105 | /* |
3106 | * Paint the window in response to a WM_PAINT message. |
3107 | */ |
887035a5 |
3108 | void term_paint(Terminal *term, Context ctx, |
3109 | int left, int top, int right, int bottom) |
32874aea |
3110 | { |
5a73255e |
3111 | int i, j; |
3112 | if (left < 0) left = 0; |
3113 | if (top < 0) top = 0; |
887035a5 |
3114 | if (right >= term->cols) right = term->cols-1; |
3115 | if (bottom >= term->rows) bottom = term->rows-1; |
3116 | |
3117 | for (i = top; i <= bottom && i < term->rows; i++) { |
3118 | if ((term->disptext[i * (term->cols + 1) + term->cols] & |
3119 | LATTR_MODE) == LATTR_NORM) |
3120 | for (j = left; j <= right && j < term->cols; j++) |
3121 | term->disptext[i * (term->cols + 1) + j] = ATTR_INVALID; |
c9def1b8 |
3122 | else |
887035a5 |
3123 | for (j = left / 2; j <= right / 2 + 1 && j < term->cols; j++) |
3124 | term->disptext[i * (term->cols + 1) + j] = ATTR_INVALID; |
c9def1b8 |
3125 | } |
374330e2 |
3126 | |
e14a5a13 |
3127 | /* This should happen soon enough, also for some reason it sometimes |
3128 | * fails to actually do anything when re-sizing ... painting the wrong |
3129 | * window perhaps ? |
32874aea |
3130 | */ |
5a73255e |
3131 | if (alt_pressed) |
887035a5 |
3132 | do_paint (term, ctx, FALSE); |
374330e2 |
3133 | } |
3134 | |
3135 | /* |
3136 | * Attempt to scroll the scrollback. The second parameter gives the |
3137 | * position we want to scroll to; the first is +1 to denote that |
3138 | * this position is relative to the beginning of the scrollback, -1 |
3139 | * to denote it is relative to the end, and 0 to denote that it is |
3140 | * relative to the current position. |
3141 | */ |
887035a5 |
3142 | void term_scroll(Terminal *term, int rel, int where) |
32874aea |
3143 | { |
887035a5 |
3144 | int sbtop = -count234(term->scrollback); |
3145 | |
3146 | term->disptop = (rel < 0 ? 0 : rel > 0 ? sbtop : term->disptop) + where; |
3147 | if (term->disptop < sbtop) |
3148 | term->disptop = sbtop; |
3149 | if (term->disptop > 0) |
3150 | term->disptop = 0; |
3151 | update_sbar(term); |
3152 | term_update(term); |
374330e2 |
3153 | } |
3154 | |
887035a5 |
3155 | static void clipme(Terminal *term, pos top, pos bottom, int rect) |
32874aea |
3156 | { |
4eeb7d09 |
3157 | wchar_t *workbuf; |
3158 | wchar_t *wbptr; /* where next char goes within workbuf */ |
6908fed7 |
3159 | int old_top_x; |
32874aea |
3160 | int wblen = 0; /* workbuf len */ |
3161 | int buflen; /* amount of memory allocated to workbuf */ |
bc1235d4 |
3162 | |
4eeb7d09 |
3163 | buflen = 5120; /* Default size */ |
3164 | workbuf = smalloc(buflen * sizeof(wchar_t)); |
3165 | wbptr = workbuf; /* start filling here */ |
6908fed7 |
3166 | old_top_x = top.x; /* needed for rect==1 */ |
bc1235d4 |
3167 | |
4facdf84 |
3168 | while (poslt(top, bottom)) { |
bc1235d4 |
3169 | int nl = FALSE; |
4facdf84 |
3170 | unsigned long *ldata = lineptr(top.y); |
260f3dec |
3171 | pos nlpos; |
4facdf84 |
3172 | |
6908fed7 |
3173 | /* |
3174 | * nlpos will point at the maximum position on this line we |
3175 | * should copy up to. So we start it at the end of the |
3176 | * line... |
3177 | */ |
4facdf84 |
3178 | nlpos.y = top.y; |
887035a5 |
3179 | nlpos.x = term->cols; |
bc1235d4 |
3180 | |
6908fed7 |
3181 | /* |
3182 | * ... move it backwards if there's unused space at the end |
3183 | * of the line (and also set `nl' if this is the case, |
3184 | * because in normal selection mode this means we need a |
3185 | * newline at the end)... |
3186 | */ |
887035a5 |
3187 | if (!(ldata[term->cols] & LATTR_WRAPPED)) { |
4eeb7d09 |
3188 | while (((ldata[nlpos.x - 1] & 0xFF) == 0x20 || |
3189 | (DIRECT_CHAR(ldata[nlpos.x - 1]) && |
3190 | (ldata[nlpos.x - 1] & CHAR_MASK) == 0x20)) |
3191 | && poslt(top, nlpos)) |
3192 | decpos(nlpos); |
4facdf84 |
3193 | if (poslt(nlpos, bottom)) |
bc1235d4 |
3194 | nl = TRUE; |
3195 | } |
6908fed7 |
3196 | |
3197 | /* |
3198 | * ... and then clip it to the terminal x coordinate if |
3199 | * we're doing rectangular selection. (In this case we |
3200 | * still did the above, so that copying e.g. the right-hand |
3201 | * column from a table doesn't fill with spaces on the |
3202 | * right.) |
3203 | */ |
3204 | if (rect) { |
3205 | if (nlpos.x > bottom.x) |
3206 | nlpos.x = bottom.x; |
3207 | nl = (top.y < bottom.y); |
3208 | } |
3209 | |
4facdf84 |
3210 | while (poslt(top, bottom) && poslt(top, nlpos)) { |
4eeb7d09 |
3211 | #if 0 |
3212 | char cbuf[16], *p; |
3213 | sprintf(cbuf, "<U+%04x>", (ldata[top.x] & 0xFFFF)); |
3214 | #else |
3215 | wchar_t cbuf[16], *p; |
3216 | int uc = (ldata[top.x] & 0xFFFF); |
3217 | int set, c; |
3218 | |
3219 | if (uc == UCSWIDE) { |
3220 | top.x++; |
3221 | continue; |
3222 | } |
3223 | |
3224 | switch (uc & CSET_MASK) { |
3225 | case ATTR_LINEDRW: |
3226 | if (!cfg.rawcnp) { |
3227 | uc = unitab_xterm[uc & 0xFF]; |
3228 | break; |
32874aea |
3229 | } |
4eeb7d09 |
3230 | case ATTR_ASCII: |
3231 | uc = unitab_line[uc & 0xFF]; |
3232 | break; |
d3cb5465 |
3233 | case ATTR_SCOACS: |
3234 | uc = unitab_scoacs[uc&0xFF]; |
3235 | break; |
d3a22f79 |
3236 | } |
4eeb7d09 |
3237 | switch (uc & CSET_MASK) { |
3238 | case ATTR_ACP: |
3239 | uc = unitab_font[uc & 0xFF]; |
3240 | break; |
3241 | case ATTR_OEMCP: |
3242 | uc = unitab_oemcp[uc & 0xFF]; |
3243 | break; |
3244 | } |
3245 | |
3246 | set = (uc & CSET_MASK); |
3247 | c = (uc & CHAR_MASK); |
3248 | cbuf[0] = uc; |
3249 | cbuf[1] = 0; |
3250 | |
3251 | if (DIRECT_FONT(uc)) { |
3252 | if (c >= ' ' && c != 0x7F) { |
3253 | unsigned char buf[4]; |
3254 | WCHAR wbuf[4]; |
3255 | int rv; |
1709795f |
3256 | if (is_dbcs_leadbyte(font_codepage, (BYTE) c)) { |
4eeb7d09 |
3257 | buf[0] = c; |
3258 | buf[1] = (unsigned char) ldata[top.x + 1]; |
1709795f |
3259 | rv = mb_to_wc(font_codepage, 0, buf, 2, wbuf, 4); |
4eeb7d09 |
3260 | top.x++; |
3261 | } else { |
3262 | buf[0] = c; |
1709795f |
3263 | rv = mb_to_wc(font_codepage, 0, buf, 1, wbuf, 4); |
4eeb7d09 |
3264 | } |
bc1235d4 |
3265 | |
4eeb7d09 |
3266 | if (rv > 0) { |
3267 | memcpy(cbuf, wbuf, rv * sizeof(wchar_t)); |
3268 | cbuf[rv] = 0; |
d3a22f79 |
3269 | } |
d3a22f79 |
3270 | } |
4eeb7d09 |
3271 | } |
3272 | #endif |
3273 | |
3274 | for (p = cbuf; *p; p++) { |
3275 | /* Enough overhead for trailing NL and nul */ |
3276 | if (wblen >= buflen - 16) { |
3277 | workbuf = |
3278 | srealloc(workbuf, |
3279 | sizeof(wchar_t) * (buflen += 100)); |
3280 | wbptr = workbuf + wblen; |
3281 | } |
3282 | wblen++; |
3283 | *wbptr++ = *p; |
bc1235d4 |
3284 | } |
4facdf84 |
3285 | top.x++; |
bc1235d4 |
3286 | } |
3287 | if (nl) { |
3288 | int i; |
4eeb7d09 |
3289 | for (i = 0; i < sel_nl_sz; i++) { |
32874aea |
3290 | wblen++; |
bc1235d4 |
3291 | *wbptr++ = sel_nl[i]; |
3292 | } |
3293 | } |
4facdf84 |
3294 | top.y++; |
6908fed7 |
3295 | top.x = rect ? old_top_x : 0; |
bc1235d4 |
3296 | } |
e6346999 |
3297 | #if SELECTION_NUL_TERMINATED |
4eeb7d09 |
3298 | wblen++; |
3299 | *wbptr++ = 0; |
e6346999 |
3300 | #endif |
a8327734 |
3301 | write_clip(term->frontend, workbuf, wblen, FALSE); /* transfer to clipbd */ |
32874aea |
3302 | if (buflen > 0) /* indicates we allocated this buffer */ |
bc1235d4 |
3303 | sfree(workbuf); |
bc1235d4 |
3304 | } |
4eeb7d09 |
3305 | |
887035a5 |
3306 | void term_copyall(Terminal *term) |
32874aea |
3307 | { |
4facdf84 |
3308 | pos top; |
887035a5 |
3309 | top.y = -count234(term->scrollback); |
4facdf84 |
3310 | top.x = 0; |
887035a5 |
3311 | clipme(term, top, term->curs, 0); |
4eeb7d09 |
3312 | } |
3313 | |
3314 | /* |
887035a5 |
3315 | * The wordness array is mainly for deciding the disposition of the |
3316 | * US-ASCII characters. |
4eeb7d09 |
3317 | */ |
887035a5 |
3318 | static int wordtype(Terminal *term, int uc) |
4eeb7d09 |
3319 | { |
b9d7bcad |
3320 | struct ucsword { |
4eeb7d09 |
3321 | int start, end, ctype; |
b9d7bcad |
3322 | }; |
3323 | static const struct ucsword ucs_words[] = { |
4eeb7d09 |
3324 | { |
3325 | 128, 160, 0}, { |
3326 | 161, 191, 1}, { |
3327 | 215, 215, 1}, { |
3328 | 247, 247, 1}, { |
3329 | 0x037e, 0x037e, 1}, /* Greek question mark */ |
3330 | { |
3331 | 0x0387, 0x0387, 1}, /* Greek ano teleia */ |
3332 | { |
3333 | 0x055a, 0x055f, 1}, /* Armenian punctuation */ |
3334 | { |
3335 | 0x0589, 0x0589, 1}, /* Armenian full stop */ |
3336 | { |
3337 | 0x0700, 0x070d, 1}, /* Syriac punctuation */ |
3338 | { |
3339 | 0x104a, 0x104f, 1}, /* Myanmar punctuation */ |
3340 | { |
3341 | 0x10fb, 0x10fb, 1}, /* Georgian punctuation */ |
3342 | { |
3343 | 0x1361, 0x1368, 1}, /* Ethiopic punctuation */ |
3344 | { |
3345 | 0x166d, 0x166e, 1}, /* Canadian Syl. punctuation */ |
3346 | { |
3347 | 0x17d4, 0x17dc, 1}, /* Khmer punctuation */ |
3348 | { |
3349 | 0x1800, 0x180a, 1}, /* Mongolian punctuation */ |
3350 | { |
3351 | 0x2000, 0x200a, 0}, /* Various spaces */ |
3352 | { |
3353 | 0x2070, 0x207f, 2}, /* superscript */ |
3354 | { |
3355 | 0x2080, 0x208f, 2}, /* subscript */ |
3356 | { |
3357 | 0x200b, 0x27ff, 1}, /* punctuation and symbols */ |
3358 | { |
3359 | 0x3000, 0x3000, 0}, /* ideographic space */ |
3360 | { |
3361 | 0x3001, 0x3020, 1}, /* ideographic punctuation */ |
3362 | { |
3363 | 0x303f, 0x309f, 3}, /* Hiragana */ |
3364 | { |
3365 | 0x30a0, 0x30ff, 3}, /* Katakana */ |
3366 | { |
3367 | 0x3300, 0x9fff, 3}, /* CJK Ideographs */ |
3368 | { |
3369 | 0xac00, 0xd7a3, 3}, /* Hangul Syllables */ |
3370 | { |
3371 | 0xf900, 0xfaff, 3}, /* CJK Ideographs */ |
3372 | { |
3373 | 0xfe30, 0xfe6b, 1}, /* punctuation forms */ |
3374 | { |
3375 | 0xff00, 0xff0f, 1}, /* half/fullwidth ASCII */ |
3376 | { |
3377 | 0xff1a, 0xff20, 1}, /* half/fullwidth ASCII */ |
3378 | { |
3379 | 0xff3b, 0xff40, 1}, /* half/fullwidth ASCII */ |
3380 | { |
3381 | 0xff5b, 0xff64, 1}, /* half/fullwidth ASCII */ |
3382 | { |
3383 | 0xfff0, 0xffff, 0}, /* half/fullwidth ASCII */ |
3384 | { |
3385 | 0, 0, 0} |
3386 | }; |
b9d7bcad |
3387 | const struct ucsword *wptr; |
4eeb7d09 |
3388 | |
3389 | uc &= (CSET_MASK | CHAR_MASK); |
3390 | |
3391 | switch (uc & CSET_MASK) { |
3392 | case ATTR_LINEDRW: |
3393 | uc = unitab_xterm[uc & 0xFF]; |
3394 | break; |
3395 | case ATTR_ASCII: |
3396 | uc = unitab_line[uc & 0xFF]; |
3397 | break; |
d3cb5465 |
3398 | case ATTR_SCOACS: |
3399 | uc = unitab_scoacs[uc&0xFF]; |
3400 | break; |
4eeb7d09 |
3401 | } |
3402 | switch (uc & CSET_MASK) { |
3403 | case ATTR_ACP: |
3404 | uc = unitab_font[uc & 0xFF]; |
3405 | break; |
3406 | case ATTR_OEMCP: |
3407 | uc = unitab_oemcp[uc & 0xFF]; |
3408 | break; |
3409 | } |
3410 | |
5a73255e |
3411 | /* For DBCS font's I can't do anything usefull. Even this will sometimes |
3412 | * fail as there's such a thing as a double width space. :-( |
3413 | */ |
3414 | if (dbcs_screenfont && font_codepage == line_codepage) |
3415 | return (uc != ' '); |
3416 | |
4eeb7d09 |
3417 | if (uc < 0x80) |
887035a5 |
3418 | return term->wordness[uc]; |
4eeb7d09 |
3419 | |
3420 | for (wptr = ucs_words; wptr->start; wptr++) { |
3421 | if (uc >= wptr->start && uc <= wptr->end) |
3422 | return wptr->ctype; |
3423 | } |
3424 | |
3425 | return 2; |
bc1235d4 |
3426 | } |
3427 | |
374330e2 |
3428 | /* |
3429 | * Spread the selection outwards according to the selection mode. |
3430 | */ |
887035a5 |
3431 | static pos sel_spread_half(Terminal *term, pos p, int dir) |
32874aea |
3432 | { |
4facdf84 |
3433 | unsigned long *ldata; |
374330e2 |
3434 | short wvalue; |
887035a5 |
3435 | int topy = -count234(term->scrollback); |
374330e2 |
3436 | |
4facdf84 |
3437 | ldata = lineptr(p.y); |
374330e2 |
3438 | |
887035a5 |
3439 | switch (term->selmode) { |
374330e2 |
3440 | case SM_CHAR: |
3441 | /* |
3442 | * In this mode, every character is a separate unit, except |
3443 | * for runs of spaces at the end of a non-wrapping line. |
3444 | */ |
887035a5 |
3445 | if (!(ldata[term->cols] & LATTR_WRAPPED)) { |
3446 | unsigned long *q = ldata + term->cols; |
4facdf84 |
3447 | while (q > ldata && (q[-1] & CHAR_MASK) == 0x20) |
374330e2 |
3448 | q--; |
887035a5 |
3449 | if (q == ldata + term->cols) |
374330e2 |
3450 | q--; |
32874aea |
3451 | if (p.x >= q - ldata) |
887035a5 |
3452 | p.x = (dir == -1 ? q - ldata : term->cols - 1); |
374330e2 |
3453 | } |
3454 | break; |
3455 | case SM_WORD: |
3456 | /* |
3457 | * In this mode, the units are maximal runs of characters |
3458 | * whose `wordness' has the same value. |
3459 | */ |
887035a5 |
3460 | wvalue = wordtype(term, ldata[p.x]); |
374330e2 |
3461 | if (dir == +1) { |
50ab4088 |
3462 | while (1) { |
887035a5 |
3463 | if (p.x < term->cols-1) { |
3464 | if (wordtype(term, ldata[p.x + 1]) == wvalue) |
50ab4088 |
3465 | p.x++; |
3466 | else |
3467 | break; |
3468 | } else { |
887035a5 |
3469 | if (ldata[term->cols] & LATTR_WRAPPED) { |
50ab4088 |
3470 | unsigned long *ldata2; |
3471 | ldata2 = lineptr(p.y+1); |
887035a5 |
3472 | if (wordtype(term, ldata2[0]) == wvalue) { |
50ab4088 |
3473 | p.x = 0; |
3474 | p.y++; |
3475 | ldata = ldata2; |
3476 | } else |
3477 | break; |
3478 | } else |
3479 | break; |
3480 | } |
3481 | } |
374330e2 |
3482 | } else { |
50ab4088 |
3483 | while (1) { |
3484 | if (p.x > 0) { |
887035a5 |
3485 | if (wordtype(term, ldata[p.x - 1]) == wvalue) |
50ab4088 |
3486 | p.x--; |
3487 | else |
3488 | break; |
3489 | } else { |
3490 | unsigned long *ldata2; |
3491 | if (p.y <= topy) |
3492 | break; |
3493 | ldata2 = lineptr(p.y-1); |
887035a5 |
3494 | if ((ldata2[term->cols] & LATTR_WRAPPED) && |
3495 | wordtype(term, ldata2[term->cols-1]) == wvalue) { |
3496 | p.x = term->cols-1; |
50ab4088 |
3497 | p.y--; |
3498 | ldata = ldata2; |
3499 | } else |
3500 | break; |
3501 | } |
3502 | } |
374330e2 |
3503 | } |
3504 | break; |
3505 | case SM_LINE: |
3506 | /* |
3507 | * In this mode, every line is a unit. |
3508 | */ |
887035a5 |
3509 | p.x = (dir == -1 ? 0 : term->cols - 1); |
374330e2 |
3510 | break; |
3511 | } |
3512 | return p; |
3513 | } |
3514 | |
887035a5 |
3515 | static void sel_spread(Terminal *term) |
32874aea |
3516 | { |
887035a5 |
3517 | if (term->seltype == LEXICOGRAPHIC) { |
3518 | term->selstart = sel_spread_half(term, term->selstart, -1); |
3519 | decpos(term->selend); |
3520 | term->selend = sel_spread_half(term, term->selend, +1); |
3521 | incpos(term->selend); |
6908fed7 |
3522 | } |
374330e2 |
3523 | } |
3524 | |
887035a5 |
3525 | void term_do_paste(Terminal *term) |
568dd02f |
3526 | { |
3527 | wchar_t *data; |
3528 | int len; |
3529 | |
a8327734 |
3530 | get_clip(term->frontend, &data, &len); |
2cb50250 |
3531 | if (data && len > 0) { |
568dd02f |
3532 | wchar_t *p, *q; |
3533 | |
887035a5 |
3534 | term_seen_key_event(term); /* pasted data counts */ |
2cb50250 |
3535 | |
887035a5 |
3536 | if (term->paste_buffer) |
3537 | sfree(term->paste_buffer); |
3538 | term->paste_pos = term->paste_hold = term->paste_len = 0; |
3539 | term->paste_buffer = smalloc(len * sizeof(wchar_t)); |
568dd02f |
3540 | |
3541 | p = q = data; |
3542 | while (p < data + len) { |
3543 | while (p < data + len && |
3544 | !(p <= data + len - sel_nl_sz && |
3545 | !memcmp(p, sel_nl, sizeof(sel_nl)))) |
3546 | p++; |
3547 | |
3548 | { |
3549 | int i; |
3550 | for (i = 0; i < p - q; i++) { |
887035a5 |
3551 | term->paste_buffer[term->paste_len++] = q[i]; |
568dd02f |
3552 | } |
3553 | } |
3554 | |
3555 | if (p <= data + len - sel_nl_sz && |
3556 | !memcmp(p, sel_nl, sizeof(sel_nl))) { |
887035a5 |
3557 | term->paste_buffer[term->paste_len++] = '\r'; |
568dd02f |
3558 | p += sel_nl_sz; |
3559 | } |
3560 | q = p; |
3561 | } |
3562 | |
3563 | /* Assume a small paste will be OK in one go. */ |
887035a5 |
3564 | if (term->paste_len < 256) { |
b9d7bcad |
3565 | if (term->ldisc) |
3566 | luni_send(term->ldisc, term->paste_buffer, term->paste_len, 0); |
887035a5 |
3567 | if (term->paste_buffer) |
3568 | sfree(term->paste_buffer); |
3569 | term->paste_buffer = 0; |
3570 | term->paste_pos = term->paste_hold = term->paste_len = 0; |
568dd02f |
3571 | } |
3572 | } |
a8327734 |
3573 | get_clip(term->frontend, NULL, NULL); |
568dd02f |
3574 | } |
3575 | |
887035a5 |
3576 | void term_mouse(Terminal *term, Mouse_Button b, Mouse_Action a, int x, int y, |
6908fed7 |
3577 | int shift, int ctrl, int alt) |
32874aea |
3578 | { |
4facdf84 |
3579 | pos selpoint; |
3580 | unsigned long *ldata; |
887035a5 |
3581 | int raw_mouse = (term->xterm_mouse && |
c0d36a72 |
3582 | !cfg.no_mouse_rep && |
3583 | !(cfg.mouse_override && shift)); |
6908fed7 |
3584 | int default_seltype; |
32874aea |
3585 | |
fff61f25 |
3586 | if (y < 0) { |
32874aea |
3587 | y = 0; |
fff61f25 |
3588 | if (a == MA_DRAG && !raw_mouse) |
887035a5 |
3589 | term_scroll(term, 0, -1); |
fff61f25 |
3590 | } |
887035a5 |
3591 | if (y >= term->rows) { |
3592 | y = term->rows - 1; |
fff61f25 |
3593 | if (a == MA_DRAG && !raw_mouse) |
887035a5 |
3594 | term_scroll(term, 0, +1); |
fff61f25 |
3595 | } |
32874aea |
3596 | if (x < 0) { |
3597 | if (y > 0) { |
887035a5 |
3598 | x = term->cols - 1; |
32874aea |
3599 | y--; |
3600 | } else |
3601 | x = 0; |
094ed2a6 |
3602 | } |
887035a5 |
3603 | if (x >= term->cols) |
3604 | x = term->cols - 1; |
37508af4 |
3605 | |
887035a5 |
3606 | selpoint.y = y + term->disptop; |
4facdf84 |
3607 | selpoint.x = x; |
3608 | ldata = lineptr(selpoint.y); |
887035a5 |
3609 | if ((ldata[term->cols] & LATTR_MODE) != LATTR_NORM) |
4facdf84 |
3610 | selpoint.x /= 2; |
374330e2 |
3611 | |
fff61f25 |
3612 | if (raw_mouse) { |
01c034ad |
3613 | int encstate = 0, r, c; |
3614 | char abuf[16]; |
01c034ad |
3615 | |
b9d7bcad |
3616 | if (term->ldisc) { |
3617 | |
3618 | switch (b) { |
3619 | case MBT_LEFT: |
3620 | encstate = 0x20; /* left button down */ |
3621 | break; |
3622 | case MBT_MIDDLE: |
3623 | encstate = 0x21; |
3624 | break; |
3625 | case MBT_RIGHT: |
3626 | encstate = 0x22; |
3627 | break; |
3628 | case MBT_WHEEL_UP: |
3629 | encstate = 0x60; |
3630 | break; |
3631 | case MBT_WHEEL_DOWN: |
3632 | encstate = 0x61; |
3633 | break; |
3634 | default: break; /* placate gcc warning about enum use */ |
3635 | } |
3636 | switch (a) { |
3637 | case MA_DRAG: |
3638 | if (term->xterm_mouse == 1) |
3639 | return; |
3640 | encstate += 0x20; |
3641 | break; |
3642 | case MA_RELEASE: |
3643 | encstate = 0x23; |
3644 | term->mouse_is_down = 0; |
3645 | break; |
3646 | case MA_CLICK: |
3647 | if (term->mouse_is_down == b) |
3648 | return; |
3649 | term->mouse_is_down = b; |
3650 | break; |
3651 | default: break; /* placate gcc warning about enum use */ |
3652 | } |
3653 | if (shift) |
3654 | encstate += 0x04; |
3655 | if (ctrl) |
3656 | encstate += 0x10; |
3657 | r = y + 33; |
3658 | c = x + 33; |
3659 | |
3660 | sprintf(abuf, "\033[M%c%c%c", encstate, c, r); |
3661 | ldisc_send(term->ldisc, abuf, 6, 0); |
01c034ad |
3662 | } |
01c034ad |
3663 | return; |
3664 | } |
3665 | |
a8327734 |
3666 | b = translate_button(term->frontend, b); |
01c034ad |
3667 | |
6908fed7 |
3668 | /* |
3669 | * Set the selection type (rectangular or normal) at the start |
3670 | * of a selection attempt, from the state of Alt. |
3671 | */ |
3672 | if (!alt ^ !cfg.rect_select) |
3673 | default_seltype = RECTANGULAR; |
3674 | else |
3675 | default_seltype = LEXICOGRAPHIC; |
3676 | |
887035a5 |
3677 | if (term->selstate == NO_SELECTION) { |
3678 | term->seltype = default_seltype; |
6908fed7 |
3679 | } |
3680 | |
01c034ad |
3681 | if (b == MBT_SELECT && a == MA_CLICK) { |
887035a5 |
3682 | deselect(term); |
3683 | term->selstate = ABOUT_TO; |
3684 | term->seltype = default_seltype; |
3685 | term->selanchor = selpoint; |
3686 | term->selmode = SM_CHAR; |
01c034ad |
3687 | } else if (b == MBT_SELECT && (a == MA_2CLK || a == MA_3CLK)) { |
887035a5 |
3688 | deselect(term); |
3689 | term->selmode = (a == MA_2CLK ? SM_WORD : SM_LINE); |
3690 | term->selstate = DRAGGING; |
3691 | term->selstart = term->selanchor = selpoint; |
3692 | term->selend = term->selstart; |
3693 | incpos(term->selend); |
3694 | sel_spread(term); |
01c034ad |
3695 | } else if ((b == MBT_SELECT && a == MA_DRAG) || |
3696 | (b == MBT_EXTEND && a != MA_RELEASE)) { |
887035a5 |
3697 | if (term->selstate == ABOUT_TO && poseq(term->selanchor, selpoint)) |
374330e2 |
3698 | return; |
887035a5 |
3699 | if (b == MBT_EXTEND && a != MA_DRAG && term->selstate == SELECTED) { |
3700 | if (term->seltype == LEXICOGRAPHIC) { |
6908fed7 |
3701 | /* |
3702 | * For normal selection, we extend by moving |
3703 | * whichever end of the current selection is closer |
3704 | * to the mouse. |
3705 | */ |
887035a5 |
3706 | if (posdiff(selpoint, term->selstart) < |
3707 | posdiff(term->selend, term->selstart) / 2) { |
3708 | term->selanchor = term->selend; |
3709 | decpos(term->selanchor); |
6908fed7 |
3710 | } else { |
887035a5 |
3711 | term->selanchor = term->selstart; |
6908fed7 |
3712 | } |
4facdf84 |
3713 | } else { |
6908fed7 |
3714 | /* |
3715 | * For rectangular selection, we have a choice of |
3716 | * _four_ places to put selanchor and selpoint: the |
3717 | * four corners of the selection. |
3718 | */ |
887035a5 |
3719 | if (2*selpoint.x < term->selstart.x + term->selend.x) |
3720 | term->selanchor.x = term->selend.x-1; |
6908fed7 |
3721 | else |
887035a5 |
3722 | term->selanchor.x = term->selstart.x; |
6908fed7 |
3723 | |
887035a5 |
3724 | if (2*selpoint.y < term->selstart.y + term->selend.y) |
3725 | term->selanchor.y = term->selend.y; |
6908fed7 |
3726 | else |
887035a5 |
3727 | term->selanchor.y = term->selstart.y; |
4facdf84 |
3728 | } |
887035a5 |
3729 | term->selstate = DRAGGING; |
374330e2 |
3730 | } |
887035a5 |
3731 | if (term->selstate != ABOUT_TO && term->selstate != DRAGGING) |
3732 | term->selanchor = selpoint; |
3733 | term->selstate = DRAGGING; |
3734 | if (term->seltype == LEXICOGRAPHIC) { |
6908fed7 |
3735 | /* |
3736 | * For normal selection, we set (selstart,selend) to |
3737 | * (selpoint,selanchor) in some order. |
3738 | */ |
887035a5 |
3739 | if (poslt(selpoint, term->selanchor)) { |
3740 | term->selstart = selpoint; |
3741 | term->selend = term->selanchor; |
3742 | incpos(term->selend); |
6908fed7 |
3743 | } else { |
887035a5 |
3744 | term->selstart = term->selanchor; |
3745 | term->selend = selpoint; |
3746 | incpos(term->selend); |
6908fed7 |
3747 | } |
374330e2 |
3748 | } else { |
6908fed7 |
3749 | /* |
3750 | * For rectangular selection, we may need to |
3751 | * interchange x and y coordinates (if the user has |
3752 | * dragged in the -x and +y directions, or vice versa). |
3753 | */ |
887035a5 |
3754 | term->selstart.x = min(term->selanchor.x, selpoint.x); |
3755 | term->selend.x = 1+max(term->selanchor.x, selpoint.x); |
3756 | term->selstart.y = min(term->selanchor.y, selpoint.y); |
3757 | term->selend.y = max(term->selanchor.y, selpoint.y); |
374330e2 |
3758 | } |
887035a5 |
3759 | sel_spread(term); |
01c034ad |
3760 | } else if ((b == MBT_SELECT || b == MBT_EXTEND) && a == MA_RELEASE) { |
887035a5 |
3761 | if (term->selstate == DRAGGING) { |
374330e2 |
3762 | /* |
3763 | * We've completed a selection. We now transfer the |
3764 | * data to the clipboard. |
3765 | */ |
887035a5 |
3766 | clipme(term, term->selstart, term->selend, |
3767 | (term->seltype == RECTANGULAR)); |
3768 | term->selstate = SELECTED; |
374330e2 |
3769 | } else |
887035a5 |
3770 | term->selstate = NO_SELECTION; |
32874aea |
3771 | } else if (b == MBT_PASTE |
e6346999 |
3772 | && (a == MA_CLICK |
3773 | #if MULTICLICK_ONLY_EVENT |
3774 | || a == MA_2CLK || a == MA_3CLK |
3775 | #endif |
3776 | )) { |
a8327734 |
3777 | request_paste(term->frontend); |
374330e2 |
3778 | } |
3779 | |
887035a5 |
3780 | term_update(term); |
374330e2 |
3781 | } |
3782 | |
887035a5 |
3783 | void term_nopaste(Terminal *term) |
32874aea |
3784 | { |
887035a5 |
3785 | if (term->paste_len == 0) |
32874aea |
3786 | return; |
887035a5 |
3787 | sfree(term->paste_buffer); |
f278d6f8 |
3788 | term->paste_buffer = NULL; |
887035a5 |
3789 | term->paste_len = 0; |
c9def1b8 |
3790 | } |
3791 | |
887035a5 |
3792 | int term_paste_pending(Terminal *term) |
0f660c8f |
3793 | { |
887035a5 |
3794 | return term->paste_len != 0; |
0f660c8f |
3795 | } |
3796 | |
887035a5 |
3797 | void term_paste(Terminal *term) |
32874aea |
3798 | { |
c9def1b8 |
3799 | long now, paste_diff; |
3800 | |
887035a5 |
3801 | if (term->paste_len == 0) |
32874aea |
3802 | return; |
c9def1b8 |
3803 | |
3804 | /* Don't wait forever to paste */ |
887035a5 |
3805 | if (term->paste_hold) { |
f7f27309 |
3806 | now = GETTICKCOUNT(); |
887035a5 |
3807 | paste_diff = now - term->last_paste; |
32874aea |
3808 | if (paste_diff >= 0 && paste_diff < 450) |
c9def1b8 |
3809 | return; |
3810 | } |
887035a5 |
3811 | term->paste_hold = 0; |
c9def1b8 |
3812 | |
887035a5 |
3813 | while (term->paste_pos < term->paste_len) { |
8df7a775 |
3814 | int n = 0; |
887035a5 |
3815 | while (n + term->paste_pos < term->paste_len) { |
3816 | if (term->paste_buffer[term->paste_pos + n++] == '\r') |
8df7a775 |
3817 | break; |
3818 | } |
b9d7bcad |
3819 | if (term->ldisc) |
3820 | luni_send(term->ldisc, term->paste_buffer + term->paste_pos, n, 0); |
887035a5 |
3821 | term->paste_pos += n; |
c9def1b8 |
3822 | |
887035a5 |
3823 | if (term->paste_pos < term->paste_len) { |
3824 | term->paste_hold = 1; |
c9def1b8 |
3825 | return; |
3826 | } |
3827 | } |
887035a5 |
3828 | sfree(term->paste_buffer); |
3829 | term->paste_buffer = NULL; |
3830 | term->paste_len = 0; |
c9def1b8 |
3831 | } |
3832 | |
887035a5 |
3833 | static void deselect(Terminal *term) |
32874aea |
3834 | { |
887035a5 |
3835 | term->selstate = NO_SELECTION; |
3836 | term->selstart.x = term->selstart.y = term->selend.x = term->selend.y = 0; |
374330e2 |
3837 | } |
3838 | |
887035a5 |
3839 | void term_deselect(Terminal *term) |
32874aea |
3840 | { |
887035a5 |
3841 | deselect(term); |
3842 | term_update(term); |
374330e2 |
3843 | } |
fe50e814 |
3844 | |
887035a5 |
3845 | int term_ldisc(Terminal *term, int option) |
32874aea |
3846 | { |
3847 | if (option == LD_ECHO) |
887035a5 |
3848 | return term->term_echoing; |
32874aea |
3849 | if (option == LD_EDIT) |
887035a5 |
3850 | return term->term_editing; |
0965bee0 |
3851 | return FALSE; |
3852 | } |
3853 | |
fe50e814 |
3854 | /* |
3855 | * from_backend(), to get data from the backend for the terminal. |
3856 | */ |
887035a5 |
3857 | int from_backend(void *vterm, int is_stderr, char *data, int len) |
32874aea |
3858 | { |
887035a5 |
3859 | Terminal *term = (Terminal *)vterm; |
3860 | |
2b0c045b |
3861 | assert(len > 0); |
3862 | |
887035a5 |
3863 | bufchain_add(&term->inbuf, data, len); |
5471d09a |
3864 | |
3865 | /* |
a748a096 |
3866 | * term_out() always completely empties inbuf. Therefore, |
3867 | * there's no reason at all to return anything other than zero |
3868 | * from this function, because there _can't_ be a question of |
3869 | * the remote side needing to wait until term_out() has cleared |
3870 | * a backlog. |
3871 | * |
5471d09a |
3872 | * This is a slightly suboptimal way to deal with SSH2 - in |
3873 | * principle, the window mechanism would allow us to continue |
3874 | * to accept data on forwarded ports and X connections even |
3875 | * while the terminal processing was going slowly - but we |
3876 | * can't do the 100% right thing without moving the terminal |
3877 | * processing into a separate thread, and that might hurt |
3878 | * portability. So we manage stdout buffering the old SSH1 way: |
3879 | * if the terminal processing goes slowly, the whole SSH |
3880 | * connection stops accepting data until it's ready. |
a748a096 |
3881 | * |
5471d09a |
3882 | * In practice, I can't imagine this causing serious trouble. |
3883 | */ |
3884 | return 0; |
fe50e814 |
3885 | } |
a8327734 |
3886 | |
3887 | void term_provide_logctx(Terminal *term, void *logctx) |
3888 | { |
3889 | term->logctx = logctx; |
3890 | } |