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) ) |
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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; |
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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 | */ |
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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); |
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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; |
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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 | } |
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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 | */ |
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188 | void term_update(Terminal *term) |
32874aea |
189 | { |
374330e2 |
190 | Context ctx; |
191 | ctx = get_ctx(); |
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); |
202 | sys_cursor(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); |
244 | ldisc_send(NULL, 0, 0); /* cause ldisc to notice changes */ |
374330e2 |
245 | fix_cpos; |
887035a5 |
246 | term->disptop = 0; |
247 | deselect(term); |
248 | term_update(term); |
374330e2 |
249 | } |
250 | |
251 | /* |
0d2086c5 |
252 | * When the user reconfigures us, we need to check the forbidden- |
b44b307a |
253 | * alternate-screen config option, disable raw mouse mode if the |
254 | * user has disabled mouse reporting, and abandon a print job if |
255 | * the user has disabled printing. |
0d2086c5 |
256 | */ |
887035a5 |
257 | void term_reconfig(Terminal *term) |
0d2086c5 |
258 | { |
259 | if (cfg.no_alt_screen) |
887035a5 |
260 | swap_screen(term, 0, FALSE, FALSE); |
c0d36a72 |
261 | if (cfg.no_mouse_rep) { |
887035a5 |
262 | term->xterm_mouse = 0; |
c0d36a72 |
263 | set_raw_mouse_mode(0); |
264 | } |
0d2086c5 |
265 | if (cfg.no_remote_charset) { |
887035a5 |
266 | term->cset_attr[0] = term->cset_attr[1] = ATTR_ASCII; |
267 | term->sco_acs = term->alt_sco_acs = 0; |
268 | term->utf = 0; |
0d2086c5 |
269 | } |
b44b307a |
270 | if (!*cfg.printer) { |
887035a5 |
271 | term_print_finish(term); |
b44b307a |
272 | } |
0d2086c5 |
273 | } |
274 | |
275 | /* |
374330e2 |
276 | * Clear the scrollback. |
277 | */ |
887035a5 |
278 | void term_clrsb(Terminal *term) |
32874aea |
279 | { |
4facdf84 |
280 | unsigned long *line; |
887035a5 |
281 | term->disptop = 0; |
282 | while ((line = delpos234(term->scrollback, 0)) != NULL) { |
4facdf84 |
283 | sfree(line); |
284 | } |
887035a5 |
285 | update_sbar(term); |
374330e2 |
286 | } |
287 | |
288 | /* |
289 | * Initialise the terminal. |
290 | */ |
887035a5 |
291 | Terminal *term_init(void) |
32874aea |
292 | { |
887035a5 |
293 | Terminal *term; |
294 | |
295 | /* |
296 | * Allocate a new Terminal structure and initialise the fields |
297 | * that need it. |
298 | */ |
299 | term = smalloc(sizeof(Terminal)); |
300 | term->compatibility_level = TM_PUTTY; |
301 | strcpy(term->id_string, "\033[?6c"); |
302 | term->last_blink = term->last_tblink = 0; |
303 | term->paste_buffer = NULL; |
304 | term->last_paste = 0; |
305 | bufchain_init(&term->inbuf); |
306 | bufchain_init(&term->printer_buf); |
f278d6f8 |
307 | term->printing = term->only_printing = FALSE; |
308 | term->print_job = NULL; |
309 | term->vt52_mode = FALSE; |
310 | term->cr_lf_return = FALSE; |
311 | term->seen_disp_event = FALSE; |
312 | term->xterm_mouse = FALSE; |
313 | term->reset_132 = FALSE; |
314 | term->blinker = term->tblinker = 0; |
315 | term->has_focus = 1; |
316 | term->repeat_off = FALSE; |
317 | term->termstate = TOPLEVEL; |
318 | term->selstate = NO_SELECTION; |
887035a5 |
319 | |
320 | term->screen = term->alt_screen = term->scrollback = NULL; |
321 | term->disptop = 0; |
322 | term->disptext = term->dispcurs = NULL; |
323 | term->tabs = NULL; |
324 | deselect(term); |
325 | term->rows = term->cols = -1; |
326 | power_on(term); |
327 | term->beephead = term->beeptail = NULL; |
328 | term->nbeeps = 0; |
329 | term->lastbeep = FALSE; |
330 | term->beep_overloaded = FALSE; |
51470298 |
331 | term->resize_fn = NULL; |
332 | term->resize_ctx = NULL; |
887035a5 |
333 | |
334 | return term; |
374330e2 |
335 | } |
336 | |
337 | /* |
338 | * Set up the terminal for a given size. |
339 | */ |
887035a5 |
340 | void term_size(Terminal *term, int newrows, int newcols, int newsavelines) |
32874aea |
341 | { |
2d466ffd |
342 | tree234 *newalt; |
343 | unsigned long *newdisp, *line; |
344 | int i, j; |
c83de303 |
345 | int sblen; |
887035a5 |
346 | int save_alt_which = term->alt_which; |
d6832394 |
347 | |
887035a5 |
348 | if (newrows == term->rows && newcols == term->cols && |
349 | newsavelines == term->savelines) |
374330e2 |
350 | return; /* nothing to do */ |
351 | |
887035a5 |
352 | deselect(term); |
353 | swap_screen(term, 0, FALSE, FALSE); |
d6832394 |
354 | |
887035a5 |
355 | term->alt_t = term->marg_t = 0; |
356 | term->alt_b = term->marg_b = newrows - 1; |
374330e2 |
357 | |
887035a5 |
358 | if (term->rows == -1) { |
359 | term->scrollback = newtree234(NULL); |
360 | term->screen = newtree234(NULL); |
361 | term->rows = 0; |
c83de303 |
362 | } |
363 | |
364 | /* |
365 | * Resize the screen and scrollback. We only need to shift |
366 | * lines around within our data structures, because lineptr() |
367 | * will take care of resizing each individual line if |
368 | * necessary. So: |
369 | * |
370 | * - If the new screen and the old screen differ in length, we |
371 | * must shunt some lines in from the scrollback or out to |
372 | * the scrollback. |
373 | * |
374 | * - If doing that fails to provide us with enough material to |
375 | * fill the new screen (i.e. the number of rows needed in |
376 | * the new screen exceeds the total number in the previous |
377 | * screen+scrollback), we must invent some blank lines to |
378 | * cover the gap. |
379 | * |
380 | * - Then, if the new scrollback length is less than the |
381 | * amount of scrollback we actually have, we must throw some |
382 | * away. |
383 | */ |
887035a5 |
384 | sblen = count234(term->scrollback); |
cdd6c586 |
385 | /* Do this loop to expand the screen if newrows > rows */ |
887035a5 |
386 | for (i = term->rows; i < newrows; i++) { |
32874aea |
387 | if (sblen > 0) { |
887035a5 |
388 | line = delpos234(term->scrollback, --sblen); |
32874aea |
389 | } else { |
390 | line = smalloc(TSIZE * (newcols + 2)); |
391 | line[0] = newcols; |
392 | for (j = 0; j <= newcols; j++) |
393 | line[j + 1] = ERASE_CHAR; |
394 | } |
887035a5 |
395 | addpos234(term->screen, line, 0); |
cdd6c586 |
396 | } |
397 | /* Do this loop to shrink the screen if newrows < rows */ |
887035a5 |
398 | for (i = newrows; i < term->rows; i++) { |
399 | line = delpos234(term->screen, 0); |
400 | addpos234(term->scrollback, line, sblen++); |
c83de303 |
401 | } |
887035a5 |
402 | assert(count234(term->screen) == newrows); |
c83de303 |
403 | while (sblen > newsavelines) { |
887035a5 |
404 | line = delpos234(term->scrollback, 0); |
c83de303 |
405 | sfree(line); |
406 | sblen--; |
c9def1b8 |
407 | } |
887035a5 |
408 | assert(count234(term->scrollback) <= newsavelines); |
409 | term->disptop = 0; |
374330e2 |
410 | |
32874aea |
411 | newdisp = smalloc(newrows * (newcols + 1) * TSIZE); |
412 | for (i = 0; i < newrows * (newcols + 1); i++) |
374330e2 |
413 | newdisp[i] = ATTR_INVALID; |
887035a5 |
414 | sfree(term->disptext); |
415 | term->disptext = newdisp; |
416 | term->dispcurs = NULL; |
374330e2 |
417 | |
4facdf84 |
418 | newalt = newtree234(NULL); |
32874aea |
419 | for (i = 0; i < newrows; i++) { |
420 | line = smalloc(TSIZE * (newcols + 2)); |
c83de303 |
421 | line[0] = newcols; |
4facdf84 |
422 | for (j = 0; j <= newcols; j++) |
887035a5 |
423 | line[j + 1] = term->erase_char; |
4facdf84 |
424 | addpos234(newalt, line, i); |
425 | } |
887035a5 |
426 | if (term->alt_screen) { |
427 | while (NULL != (line = delpos234(term->alt_screen, 0))) |
4facdf84 |
428 | sfree(line); |
887035a5 |
429 | freetree234(term->alt_screen); |
4facdf84 |
430 | } |
887035a5 |
431 | term->alt_screen = newalt; |
374330e2 |
432 | |
887035a5 |
433 | term->tabs = srealloc(term->tabs, newcols * sizeof(*term->tabs)); |
374330e2 |
434 | { |
435 | int i; |
887035a5 |
436 | for (i = (term->cols > 0 ? term->cols : 0); i < newcols; i++) |
437 | term->tabs[i] = (i % 8 == 0 ? TRUE : FALSE); |
374330e2 |
438 | } |
439 | |
887035a5 |
440 | if (term->rows > 0) |
441 | term->curs.y += newrows - term->rows; |
442 | if (term->curs.y < 0) |
443 | term->curs.y = 0; |
444 | if (term->curs.y >= newrows) |
445 | term->curs.y = newrows - 1; |
446 | if (term->curs.x >= newcols) |
447 | term->curs.x = newcols - 1; |
448 | term->alt_x = term->alt_y = 0; |
449 | term->wrapnext = term->alt_wnext = FALSE; |
450 | |
451 | term->rows = newrows; |
452 | term->cols = newcols; |
453 | term->savelines = newsavelines; |
374330e2 |
454 | fix_cpos; |
455 | |
887035a5 |
456 | swap_screen(term, save_alt_which, FALSE, FALSE); |
d6832394 |
457 | |
887035a5 |
458 | update_sbar(term); |
459 | term_update(term); |
51470298 |
460 | if (term->resize_fn) |
461 | term->resize_fn(term->resize_ctx, term->cols, term->rows); |
462 | } |
463 | |
464 | /* |
465 | * Hand a function and context pointer to the terminal which it can |
466 | * use to notify a back end of resizes. |
467 | */ |
468 | void term_provide_resize_fn(Terminal *term, |
469 | void (*resize_fn)(void *, int, int), |
470 | void *resize_ctx) |
471 | { |
472 | term->resize_fn = resize_fn; |
473 | term->resize_ctx = resize_ctx; |
474 | if (term->cols > 0 && term->rows > 0) |
475 | resize_fn(resize_ctx, term->cols, term->rows); |
374330e2 |
476 | } |
477 | |
478 | /* |
8f9b6a1a |
479 | * Swap screens. If `reset' is TRUE and we have been asked to |
480 | * switch to the alternate screen, we must bring most of its |
481 | * configuration from the main screen and erase the contents of the |
482 | * alternate screen completely. (This is even true if we're already |
483 | * on it! Blame xterm.) |
374330e2 |
484 | */ |
887035a5 |
485 | static void swap_screen(Terminal *term, int which, int reset, int keep_cur_pos) |
32874aea |
486 | { |
374330e2 |
487 | int t; |
4facdf84 |
488 | tree234 *ttr; |
374330e2 |
489 | |
8f9b6a1a |
490 | if (!which) |
491 | reset = FALSE; /* do no weird resetting if which==0 */ |
492 | |
887035a5 |
493 | if (which != term->alt_which) { |
494 | term->alt_which = which; |
8f9b6a1a |
495 | |
887035a5 |
496 | ttr = term->alt_screen; |
497 | term->alt_screen = term->screen; |
498 | term->screen = ttr; |
499 | t = term->curs.x; |
8f9b6a1a |
500 | if (!reset && !keep_cur_pos) |
887035a5 |
501 | term->curs.x = term->alt_x; |
502 | term->alt_x = t; |
503 | t = term->curs.y; |
8f9b6a1a |
504 | if (!reset && !keep_cur_pos) |
887035a5 |
505 | term->curs.y = term->alt_y; |
506 | term->alt_y = t; |
507 | t = term->marg_t; |
508 | if (!reset) term->marg_t = term->alt_t; |
509 | term->alt_t = t; |
510 | t = term->marg_b; |
511 | if (!reset) term->marg_b = term->alt_b; |
512 | term->alt_b = t; |
513 | t = term->dec_om; |
514 | if (!reset) term->dec_om = term->alt_om; |
515 | term->alt_om = t; |
516 | t = term->wrap; |
517 | if (!reset) term->wrap = term->alt_wrap; |
518 | term->alt_wrap = t; |
519 | t = term->wrapnext; |
520 | if (!reset) term->wrapnext = term->alt_wnext; |
521 | term->alt_wnext = t; |
522 | t = term->insert; |
523 | if (!reset) term->insert = term->alt_ins; |
524 | term->alt_ins = t; |
525 | t = term->cset; |
526 | if (!reset) term->cset = term->alt_cset; |
527 | term->alt_cset = t; |
528 | t = term->utf; |
529 | if (!reset) term->utf = term->alt_utf; |
530 | term->alt_utf = t; |
531 | t = term->sco_acs; |
532 | if (!reset) term->sco_acs = term->alt_sco_acs; |
533 | term->alt_sco_acs = t; |
8f9b6a1a |
534 | } |
374330e2 |
535 | |
887035a5 |
536 | if (reset && term->screen) { |
8f9b6a1a |
537 | /* |
538 | * Yes, this _is_ supposed to honour background-colour-erase. |
539 | */ |
887035a5 |
540 | erase_lots(term, FALSE, TRUE, TRUE); |
8f9b6a1a |
541 | } |
542 | |
543 | /* |
544 | * This might not be possible if we're called during |
545 | * initialisation. |
546 | */ |
887035a5 |
547 | if (term->screen) |
8f9b6a1a |
548 | fix_cpos; |
374330e2 |
549 | } |
550 | |
551 | /* |
374330e2 |
552 | * Update the scroll bar. |
553 | */ |
887035a5 |
554 | static void update_sbar(Terminal *term) |
32874aea |
555 | { |
260f3dec |
556 | int nscroll; |
374330e2 |
557 | |
887035a5 |
558 | nscroll = count234(term->scrollback); |
4facdf84 |
559 | |
887035a5 |
560 | set_sbar(nscroll + term->rows, nscroll + term->disptop, term->rows); |
374330e2 |
561 | } |
562 | |
563 | /* |
564 | * Check whether the region bounded by the two pointers intersects |
565 | * the scroll region, and de-select the on-screen selection if so. |
566 | */ |
887035a5 |
567 | static void check_selection(Terminal *term, pos from, pos to) |
32874aea |
568 | { |
887035a5 |
569 | if (poslt(from, term->selend) && poslt(term->selstart, to)) |
570 | deselect(term); |
374330e2 |
571 | } |
572 | |
573 | /* |
574 | * Scroll the screen. (`lines' is +ve for scrolling forward, -ve |
575 | * for backward.) `sb' is TRUE if the scrolling is permitted to |
576 | * affect the scrollback buffer. |
a4450583 |
577 | * |
578 | * NB this function invalidates all pointers into lines of the |
579 | * screen data structures. In particular, you MUST call fix_cpos |
580 | * after calling scroll() and before doing anything else that |
581 | * uses the cpos shortcut pointer. |
374330e2 |
582 | */ |
887035a5 |
583 | static void scroll(Terminal *term, int topline, int botline, int lines, int sb) |
32874aea |
584 | { |
4facdf84 |
585 | unsigned long *line, *line2; |
a792432e |
586 | int i, seltop; |
c9def1b8 |
587 | |
887035a5 |
588 | if (topline != 0 || term->alt_which != 0) |
4facdf84 |
589 | sb = FALSE; |
590 | |
591 | if (lines < 0) { |
592 | while (lines < 0) { |
887035a5 |
593 | line = delpos234(term->screen, botline); |
594 | line = resizeline(line, term->cols); |
595 | for (i = 0; i < term->cols; i++) |
596 | line[i + 1] = term->erase_char; |
597 | line[term->cols + 1] = 0; |
598 | addpos234(term->screen, line, topline); |
599 | |
600 | if (term->selstart.y >= topline && term->selstart.y <= botline) { |
601 | term->selstart.y++; |
602 | if (term->selstart.y > botline) { |
603 | term->selstart.y = botline; |
604 | term->selstart.x = 0; |
c9def1b8 |
605 | } |
c9def1b8 |
606 | } |
887035a5 |
607 | if (term->selend.y >= topline && term->selend.y <= botline) { |
608 | term->selend.y++; |
609 | if (term->selend.y > botline) { |
610 | term->selend.y = botline; |
611 | term->selend.x = 0; |
c9def1b8 |
612 | } |
c9def1b8 |
613 | } |
c9def1b8 |
614 | |
4facdf84 |
615 | lines++; |
c9def1b8 |
616 | } |
374330e2 |
617 | } else { |
4facdf84 |
618 | while (lines > 0) { |
887035a5 |
619 | line = delpos234(term->screen, topline); |
620 | if (sb && term->savelines > 0) { |
621 | int sblen = count234(term->scrollback); |
4facdf84 |
622 | /* |
623 | * We must add this line to the scrollback. We'll |
624 | * remove a line from the top of the scrollback to |
625 | * replace it, or allocate a new one if the |
626 | * scrollback isn't full. |
627 | */ |
887035a5 |
628 | if (sblen == term->savelines) { |
629 | sblen--, line2 = delpos234(term->scrollback, 0); |
c83de303 |
630 | } else { |
887035a5 |
631 | line2 = smalloc(TSIZE * (term->cols + 2)); |
632 | line2[0] = term->cols; |
c83de303 |
633 | } |
887035a5 |
634 | addpos234(term->scrollback, line, sblen); |
4facdf84 |
635 | line = line2; |
a792432e |
636 | |
637 | /* |
638 | * If the user is currently looking at part of the |
639 | * scrollback, and they haven't enabled any options |
640 | * that are going to reset the scrollback as a |
641 | * result of this movement, then the chances are |
642 | * they'd like to keep looking at the same line. So |
643 | * we move their viewpoint at the same rate as the |
644 | * scroll, at least until their viewpoint hits the |
645 | * top end of the scrollback buffer, at which point |
646 | * we don't have the choice any more. |
647 | * |
648 | * Thanks to Jan Holmen Holsten for the idea and |
649 | * initial implementation. |
650 | */ |
887035a5 |
651 | if (term->disptop > -term->savelines && term->disptop < 0) |
652 | term->disptop--; |
4facdf84 |
653 | } |
887035a5 |
654 | line = resizeline(line, term->cols); |
655 | for (i = 0; i < term->cols; i++) |
656 | line[i + 1] = term->erase_char; |
657 | line[term->cols + 1] = 0; |
658 | addpos234(term->screen, line, botline); |
4facdf84 |
659 | |
a792432e |
660 | /* |
661 | * If the selection endpoints move into the scrollback, |
662 | * we keep them moving until they hit the top. However, |
663 | * of course, if the line _hasn't_ moved into the |
664 | * scrollback then we don't do this, and cut them off |
665 | * at the top of the scroll region. |
d48db8b4 |
666 | * |
667 | * This applies to selstart and selend (for an existing |
668 | * selection), and also selanchor (for one being |
669 | * selected as we speak). |
a792432e |
670 | */ |
887035a5 |
671 | seltop = sb ? -term->savelines : topline; |
672 | |
673 | if (term->selstart.y >= seltop && |
674 | term->selstart.y <= botline) { |
675 | term->selstart.y--; |
676 | if (term->selstart.y < seltop) { |
677 | term->selstart.y = seltop; |
678 | term->selstart.x = 0; |
4facdf84 |
679 | } |
680 | } |
887035a5 |
681 | if (term->selend.y >= seltop && term->selend.y <= botline) { |
682 | term->selend.y--; |
683 | if (term->selend.y < seltop) { |
684 | term->selend.y = seltop; |
685 | term->selend.x = 0; |
4facdf84 |
686 | } |
687 | } |
887035a5 |
688 | if (term->selanchor.y >= seltop && term->selanchor.y <= botline) { |
689 | term->selanchor.y--; |
690 | if (term->selanchor.y < seltop) { |
691 | term->selanchor.y = seltop; |
692 | term->selanchor.x = 0; |
d48db8b4 |
693 | } |
694 | } |
4facdf84 |
695 | |
696 | lines--; |
c9def1b8 |
697 | } |
374330e2 |
698 | } |
374330e2 |
699 | } |
700 | |
701 | /* |
702 | * Move the cursor to a given position, clipping at boundaries. We |
703 | * may or may not want to clip at the scroll margin: marg_clip is 0 |
704 | * not to, 1 to disallow _passing_ the margins, and 2 to disallow |
705 | * even _being_ outside the margins. |
706 | */ |
887035a5 |
707 | static void move(Terminal *term, int x, int y, int marg_clip) |
32874aea |
708 | { |
374330e2 |
709 | if (x < 0) |
710 | x = 0; |
887035a5 |
711 | if (x >= term->cols) |
712 | x = term->cols - 1; |
374330e2 |
713 | if (marg_clip) { |
887035a5 |
714 | if ((term->curs.y >= term->marg_t || marg_clip == 2) && |
715 | y < term->marg_t) |
716 | y = term->marg_t; |
717 | if ((term->curs.y <= term->marg_b || marg_clip == 2) && |
718 | y > term->marg_b) |
719 | y = term->marg_b; |
374330e2 |
720 | } |
721 | if (y < 0) |
722 | y = 0; |
887035a5 |
723 | if (y >= term->rows) |
724 | y = term->rows - 1; |
725 | term->curs.x = x; |
726 | term->curs.y = y; |
374330e2 |
727 | fix_cpos; |
887035a5 |
728 | term->wrapnext = FALSE; |
374330e2 |
729 | } |
730 | |
731 | /* |
732 | * Save or restore the cursor and SGR mode. |
733 | */ |
887035a5 |
734 | static void save_cursor(Terminal *term, int save) |
32874aea |
735 | { |
374330e2 |
736 | if (save) { |
887035a5 |
737 | term->savecurs = term->curs; |
738 | term->save_attr = term->curr_attr; |
739 | term->save_cset = term->cset; |
740 | term->save_utf = term->utf; |
741 | term->save_wnext = term->wrapnext; |
742 | term->save_csattr = term->cset_attr[term->cset]; |
743 | term->save_sco_acs = term->sco_acs; |
374330e2 |
744 | } else { |
887035a5 |
745 | term->curs = term->savecurs; |
c9def1b8 |
746 | /* Make sure the window hasn't shrunk since the save */ |
887035a5 |
747 | if (term->curs.x >= term->cols) |
748 | term->curs.x = term->cols - 1; |
749 | if (term->curs.y >= term->rows) |
750 | term->curs.y = term->rows - 1; |
751 | |
752 | term->curr_attr = term->save_attr; |
753 | term->cset = term->save_cset; |
754 | term->utf = term->save_utf; |
755 | term->wrapnext = term->save_wnext; |
8c028e65 |
756 | /* |
757 | * wrapnext might reset to False if the x position is no |
758 | * longer at the rightmost edge. |
759 | */ |
887035a5 |
760 | if (term->wrapnext && term->curs.x < term->cols-1) |
761 | term->wrapnext = FALSE; |
762 | term->cset_attr[term->cset] = term->save_csattr; |
763 | term->sco_acs = term->save_sco_acs; |
374330e2 |
764 | fix_cpos; |
887035a5 |
765 | if (term->use_bce) |
766 | term->erase_char = (' ' | ATTR_ASCII | |
767 | (term->curr_attr & |
768 | (ATTR_FGMASK | ATTR_BGMASK))); |
374330e2 |
769 | } |
770 | } |
771 | |
772 | /* |
773 | * Erase a large portion of the screen: the whole screen, or the |
774 | * whole line, or parts thereof. |
775 | */ |
887035a5 |
776 | static void erase_lots(Terminal *term, |
777 | int line_only, int from_begin, int to_end) |
32874aea |
778 | { |
260f3dec |
779 | pos start, end; |
4facdf84 |
780 | int erase_lattr; |
781 | unsigned long *ldata; |
374330e2 |
782 | |
783 | if (line_only) { |
887035a5 |
784 | start.y = term->curs.y; |
4facdf84 |
785 | start.x = 0; |
887035a5 |
786 | end.y = term->curs.y + 1; |
4facdf84 |
787 | end.x = 0; |
788 | erase_lattr = FALSE; |
374330e2 |
789 | } else { |
4facdf84 |
790 | start.y = 0; |
791 | start.x = 0; |
887035a5 |
792 | end.y = term->rows; |
4facdf84 |
793 | end.x = 0; |
794 | erase_lattr = TRUE; |
795 | } |
796 | if (!from_begin) { |
887035a5 |
797 | start = term->curs; |
374330e2 |
798 | } |
4facdf84 |
799 | if (!to_end) { |
887035a5 |
800 | end = term->curs; |
2a6dfe0e |
801 | incpos(end); |
4facdf84 |
802 | } |
887035a5 |
803 | check_selection(term, start, end); |
e14a5a13 |
804 | |
805 | /* Clear screen also forces a full window redraw, just in case. */ |
887035a5 |
806 | if (start.y == 0 && start.x == 0 && end.y == term->rows) |
807 | term_invalidate(term); |
e14a5a13 |
808 | |
4facdf84 |
809 | ldata = lineptr(start.y); |
810 | while (poslt(start, end)) { |
887035a5 |
811 | if (start.x == term->cols && !erase_lattr) |
4eeb7d09 |
812 | ldata[start.x] &= ~LATTR_WRAPPED; |
4facdf84 |
813 | else |
887035a5 |
814 | ldata[start.x] = term->erase_char; |
815 | if (incpos(start) && start.y < term->rows) |
4facdf84 |
816 | ldata = lineptr(start.y); |
817 | } |
374330e2 |
818 | } |
819 | |
820 | /* |
821 | * Insert or delete characters within the current line. n is +ve if |
822 | * insertion is desired, and -ve for deletion. |
823 | */ |
887035a5 |
824 | static void insch(Terminal *term, int n) |
32874aea |
825 | { |
374330e2 |
826 | int dir = (n < 0 ? -1 : +1); |
827 | int m; |
4facdf84 |
828 | pos cursplus; |
829 | unsigned long *ldata; |
374330e2 |
830 | |
831 | n = (n < 0 ? -n : n); |
887035a5 |
832 | if (n > term->cols - term->curs.x) |
833 | n = term->cols - term->curs.x; |
834 | m = term->cols - term->curs.x - n; |
835 | cursplus.y = term->curs.y; |
836 | cursplus.x = term->curs.x + n; |
837 | check_selection(term, term->curs, cursplus); |
838 | ldata = lineptr(term->curs.y); |
374330e2 |
839 | if (dir < 0) { |
887035a5 |
840 | memmove(ldata + term->curs.x, ldata + term->curs.x + n, m * TSIZE); |
374330e2 |
841 | while (n--) |
887035a5 |
842 | ldata[term->curs.x + m++] = term->erase_char; |
374330e2 |
843 | } else { |
887035a5 |
844 | memmove(ldata + term->curs.x + n, ldata + term->curs.x, m * TSIZE); |
374330e2 |
845 | while (n--) |
887035a5 |
846 | ldata[term->curs.x + n] = term->erase_char; |
374330e2 |
847 | } |
848 | } |
849 | |
850 | /* |
851 | * Toggle terminal mode `mode' to state `state'. (`query' indicates |
852 | * whether the mode is a DEC private one or a normal one.) |
853 | */ |
887035a5 |
854 | static void toggle_mode(Terminal *term, int mode, int query, int state) |
32874aea |
855 | { |
286c6b86 |
856 | unsigned long ticks; |
01c034ad |
857 | |
32874aea |
858 | if (query) |
859 | switch (mode) { |
860 | case 1: /* application cursor keys */ |
887035a5 |
861 | term->app_cursor_keys = state; |
32874aea |
862 | break; |
863 | case 2: /* VT52 mode */ |
887035a5 |
864 | term->vt52_mode = !state; |
865 | if (term->vt52_mode) { |
866 | term->blink_is_real = FALSE; |
867 | term->vt52_bold = FALSE; |
4eeb7d09 |
868 | } else { |
887035a5 |
869 | term->blink_is_real = cfg.blinktext; |
4eeb7d09 |
870 | } |
32874aea |
871 | break; |
872 | case 3: /* 80/132 columns */ |
887035a5 |
873 | deselect(term); |
0d2086c5 |
874 | if (!cfg.no_remote_resize) |
887035a5 |
875 | request_resize(state ? 132 : 80, term->rows); |
876 | term->reset_132 = state; |
32874aea |
877 | break; |
878 | case 5: /* reverse video */ |
879 | /* |
880 | * Toggle reverse video. If we receive an OFF within the |
881 | * visual bell timeout period after an ON, we trigger an |
882 | * effective visual bell, so that ESC[?5hESC[?5l will |
883 | * always be an actually _visible_ visual bell. |
884 | */ |
f7f27309 |
885 | ticks = GETTICKCOUNT(); |
286c6b86 |
886 | /* turn off a previous vbell to avoid inconsistencies */ |
887035a5 |
887 | if (ticks - term->vbell_startpoint >= VBELL_TIMEOUT) |
888 | term->in_vbell = FALSE; |
889 | if (term->rvideo && !state && /* we're turning it off... */ |
890 | (ticks - term->rvbell_startpoint) < VBELL_TIMEOUT) {/*...soon*/ |
286c6b86 |
891 | /* If there's no vbell timeout already, or this one lasts |
892 | * longer, replace vbell_timeout with ours. */ |
887035a5 |
893 | if (!term->in_vbell || |
894 | (term->rvbell_startpoint - term->vbell_startpoint < |
895 | VBELL_TIMEOUT)) |
896 | term->vbell_startpoint = term->rvbell_startpoint; |
897 | term->in_vbell = TRUE; /* may clear rvideo but set in_vbell */ |
898 | } else if (!term->rvideo && state) { |
32874aea |
899 | /* This is an ON, so we notice the time and save it. */ |
887035a5 |
900 | term->rvbell_startpoint = ticks; |
32874aea |
901 | } |
887035a5 |
902 | term->rvideo = state; |
903 | term->seen_disp_event = TRUE; |
32874aea |
904 | if (state) |
887035a5 |
905 | term_update(term); |
32874aea |
906 | break; |
907 | case 6: /* DEC origin mode */ |
887035a5 |
908 | term->dec_om = state; |
32874aea |
909 | break; |
910 | case 7: /* auto wrap */ |
887035a5 |
911 | term->wrap = state; |
32874aea |
912 | break; |
913 | case 8: /* auto key repeat */ |
887035a5 |
914 | term->repeat_off = !state; |
32874aea |
915 | break; |
916 | case 10: /* set local edit mode */ |
887035a5 |
917 | term->term_editing = state; |
760e88b2 |
918 | ldisc_send(NULL, 0, 0); /* cause ldisc to notice changes */ |
32874aea |
919 | break; |
920 | case 25: /* enable/disable cursor */ |
921 | compatibility2(OTHER, VT220); |
887035a5 |
922 | term->cursor_on = state; |
923 | term->seen_disp_event = TRUE; |
32874aea |
924 | break; |
925 | case 47: /* alternate screen */ |
926 | compatibility(OTHER); |
887035a5 |
927 | deselect(term); |
928 | swap_screen(term, cfg.no_alt_screen ? 0 : state, FALSE, FALSE); |
929 | term->disptop = 0; |
32874aea |
930 | break; |
931 | case 1000: /* xterm mouse 1 */ |
887035a5 |
932 | term->xterm_mouse = state ? 1 : 0; |
32874aea |
933 | set_raw_mouse_mode(state); |
934 | break; |
935 | case 1002: /* xterm mouse 2 */ |
887035a5 |
936 | term->xterm_mouse = state ? 2 : 0; |
32874aea |
937 | set_raw_mouse_mode(state); |
938 | break; |
8f9b6a1a |
939 | case 1047: /* alternate screen */ |
940 | compatibility(OTHER); |
887035a5 |
941 | deselect(term); |
942 | swap_screen(term, cfg.no_alt_screen ? 0 : state, TRUE, TRUE); |
943 | term->disptop = 0; |
8f9b6a1a |
944 | break; |
945 | case 1048: /* save/restore cursor */ |
887035a5 |
946 | save_cursor(term, state); |
947 | if (!state) term->seen_disp_event = TRUE; |
8f9b6a1a |
948 | break; |
949 | case 1049: /* cursor & alternate screen */ |
950 | if (state) |
887035a5 |
951 | save_cursor(term, state); |
952 | if (!state) term->seen_disp_event = TRUE; |
8f9b6a1a |
953 | compatibility(OTHER); |
887035a5 |
954 | deselect(term); |
955 | swap_screen(term, cfg.no_alt_screen ? 0 : state, TRUE, FALSE); |
8f9b6a1a |
956 | if (!state) |
887035a5 |
957 | save_cursor(term, state); |
958 | term->disptop = 0; |
8f9b6a1a |
959 | break; |
32874aea |
960 | } else |
961 | switch (mode) { |
962 | case 4: /* set insert mode */ |
963 | compatibility(VT102); |
887035a5 |
964 | term->insert = state; |
32874aea |
965 | break; |
966 | case 12: /* set echo mode */ |
887035a5 |
967 | term->term_echoing = !state; |
760e88b2 |
968 | ldisc_send(NULL, 0, 0); /* cause ldisc to notice changes */ |
32874aea |
969 | break; |
970 | case 20: /* Return sends ... */ |
887035a5 |
971 | term->cr_lf_return = state; |
32874aea |
972 | break; |
4eeb7d09 |
973 | case 34: /* Make cursor BIG */ |
974 | compatibility2(OTHER, VT220); |
887035a5 |
975 | term->big_cursor = !state; |
7594731b |
976 | } |
374330e2 |
977 | } |
978 | |
979 | /* |
980 | * Process an OSC sequence: set window title or icon name. |
981 | */ |
887035a5 |
982 | static void do_osc(Terminal *term) |
32874aea |
983 | { |
887035a5 |
984 | if (term->osc_w) { |
985 | while (term->osc_strlen--) |
986 | term->wordness[(unsigned char) |
987 | term->osc_string[term->osc_strlen]] = term->esc_args[0]; |
374330e2 |
988 | } else { |
887035a5 |
989 | term->osc_string[term->osc_strlen] = '\0'; |
990 | switch (term->esc_args[0]) { |
374330e2 |
991 | case 0: |
992 | case 1: |
0d2086c5 |
993 | if (!cfg.no_remote_wintitle) |
887035a5 |
994 | set_icon(term->osc_string); |
995 | if (term->esc_args[0] == 1) |
374330e2 |
996 | break; |
997 | /* fall through: parameter 0 means set both */ |
998 | case 2: |
999 | case 21: |
0d2086c5 |
1000 | if (!cfg.no_remote_wintitle) |
887035a5 |
1001 | set_title(term->osc_string); |
374330e2 |
1002 | break; |
1003 | } |
1004 | } |
1005 | } |
1006 | |
1007 | /* |
b44b307a |
1008 | * ANSI printing routines. |
1009 | */ |
887035a5 |
1010 | static void term_print_setup(Terminal *term) |
b44b307a |
1011 | { |
887035a5 |
1012 | bufchain_clear(&term->printer_buf); |
1013 | term->print_job = printer_start_job(cfg.printer); |
b44b307a |
1014 | } |
887035a5 |
1015 | static void term_print_flush(Terminal *term) |
b44b307a |
1016 | { |
1017 | void *data; |
1018 | int len; |
1019 | int size; |
887035a5 |
1020 | while ((size = bufchain_size(&term->printer_buf)) > 5) { |
1021 | bufchain_prefix(&term->printer_buf, &data, &len); |
b44b307a |
1022 | if (len > size-5) |
1023 | len = size-5; |
887035a5 |
1024 | printer_job_data(term->print_job, data, len); |
1025 | bufchain_consume(&term->printer_buf, len); |
b44b307a |
1026 | } |
1027 | } |
887035a5 |
1028 | static void term_print_finish(Terminal *term) |
b44b307a |
1029 | { |
1030 | void *data; |
1031 | int len, size; |
1032 | char c; |
1033 | |
887035a5 |
1034 | if (!term->printing && !term->only_printing) |
1709795f |
1035 | return; /* we need do nothing */ |
1036 | |
887035a5 |
1037 | term_print_flush(term); |
1038 | while ((size = bufchain_size(&term->printer_buf)) > 0) { |
1039 | bufchain_prefix(&term->printer_buf, &data, &len); |
b44b307a |
1040 | c = *(char *)data; |
1041 | if (c == '\033' || c == '\233') { |
887035a5 |
1042 | bufchain_consume(&term->printer_buf, size); |
b44b307a |
1043 | break; |
1044 | } else { |
887035a5 |
1045 | printer_job_data(term->print_job, &c, 1); |
1046 | bufchain_consume(&term->printer_buf, 1); |
b44b307a |
1047 | } |
1048 | } |
887035a5 |
1049 | printer_finish_job(term->print_job); |
1050 | term->print_job = NULL; |
1051 | term->printing = term->only_printing = FALSE; |
b44b307a |
1052 | } |
1053 | |
1054 | /* |
374330e2 |
1055 | * Remove everything currently in `inbuf' and stick it up on the |
1056 | * in-memory display. There's a big state machine in here to |
1057 | * process escape sequences... |
1058 | */ |
887035a5 |
1059 | void term_out(Terminal *term) |
32874aea |
1060 | { |
a748a096 |
1061 | int c, unget; |
1062 | unsigned char localbuf[256], *chars; |
1063 | int nchars = 0; |
1064 | |
1065 | unget = -1; |
1066 | |
1709795f |
1067 | chars = NULL; /* placate compiler warnings */ |
887035a5 |
1068 | while (nchars > 0 || bufchain_size(&term->inbuf) > 0) { |
a748a096 |
1069 | if (unget == -1) { |
1070 | if (nchars == 0) { |
1071 | void *ret; |
887035a5 |
1072 | bufchain_prefix(&term->inbuf, &ret, &nchars); |
a748a096 |
1073 | if (nchars > sizeof(localbuf)) |
1074 | nchars = sizeof(localbuf); |
1075 | memcpy(localbuf, ret, nchars); |
887035a5 |
1076 | bufchain_consume(&term->inbuf, nchars); |
a748a096 |
1077 | chars = localbuf; |
1078 | assert(chars != NULL); |
1079 | } |
1080 | c = *chars++; |
1081 | nchars--; |
c9def1b8 |
1082 | |
a748a096 |
1083 | /* |
1084 | * Optionally log the session traffic to a file. Useful for |
1085 | * debugging and possibly also useful for actual logging. |
1086 | */ |
1087 | if (cfg.logtype == LGTYP_DEBUG) |
f4e49163 |
1088 | logtraffic((unsigned char) c, LGTYP_DEBUG); |
a748a096 |
1089 | } else { |
1090 | c = unget; |
1091 | unget = -1; |
5a16642f |
1092 | } |
1093 | |
e14a5a13 |
1094 | /* Note only VT220+ are 8-bit VT102 is seven bit, it shouldn't even |
1095 | * be able to display 8-bit characters, but I'll let that go 'cause |
1096 | * of i18n. |
1097 | */ |
4eeb7d09 |
1098 | |
b44b307a |
1099 | /* |
1100 | * If we're printing, add the character to the printer |
1101 | * buffer. |
1102 | */ |
887035a5 |
1103 | if (term->printing) { |
1104 | bufchain_add(&term->printer_buf, &c, 1); |
b44b307a |
1105 | |
1106 | /* |
1107 | * If we're in print-only mode, we use a much simpler |
1108 | * state machine designed only to recognise the ESC[4i |
1109 | * termination sequence. |
1110 | */ |
887035a5 |
1111 | if (term->only_printing) { |
b44b307a |
1112 | if (c == '\033') |
887035a5 |
1113 | term->print_state = 1; |
b44b307a |
1114 | else if (c == (unsigned char)'\233') |
887035a5 |
1115 | term->print_state = 2; |
1116 | else if (c == '[' && term->print_state == 1) |
1117 | term->print_state = 2; |
1118 | else if (c == '4' && term->print_state == 2) |
1119 | term->print_state = 3; |
1120 | else if (c == 'i' && term->print_state == 3) |
1121 | term->print_state = 4; |
b44b307a |
1122 | else |
887035a5 |
1123 | term->print_state = 0; |
1124 | if (term->print_state == 4) { |
1125 | term_print_finish(term); |
b44b307a |
1126 | } |
1127 | continue; |
1128 | } |
1129 | } |
1130 | |
4eeb7d09 |
1131 | /* First see about all those translations. */ |
887035a5 |
1132 | if (term->termstate == TOPLEVEL) { |
1133 | if (in_utf(term)) |
1134 | switch (term->utf_state) { |
4eeb7d09 |
1135 | case 0: |
1136 | if (c < 0x80) { |
8f22582c |
1137 | /* UTF-8 must be stateless so we ignore iso2022. */ |
1138 | if (unitab_ctrl[c] != 0xFF) |
1139 | c = unitab_ctrl[c]; |
1140 | else c = ((unsigned char)c) | ATTR_ASCII; |
1141 | break; |
4eeb7d09 |
1142 | } else if ((c & 0xe0) == 0xc0) { |
887035a5 |
1143 | term->utf_size = term->utf_state = 1; |
1144 | term->utf_char = (c & 0x1f); |
4eeb7d09 |
1145 | } else if ((c & 0xf0) == 0xe0) { |
887035a5 |
1146 | term->utf_size = term->utf_state = 2; |
1147 | term->utf_char = (c & 0x0f); |
4eeb7d09 |
1148 | } else if ((c & 0xf8) == 0xf0) { |
887035a5 |
1149 | term->utf_size = term->utf_state = 3; |
1150 | term->utf_char = (c & 0x07); |
4eeb7d09 |
1151 | } else if ((c & 0xfc) == 0xf8) { |
887035a5 |
1152 | term->utf_size = term->utf_state = 4; |
1153 | term->utf_char = (c & 0x03); |
4eeb7d09 |
1154 | } else if ((c & 0xfe) == 0xfc) { |
887035a5 |
1155 | term->utf_size = term->utf_state = 5; |
1156 | term->utf_char = (c & 0x01); |
4eeb7d09 |
1157 | } else { |
1158 | c = UCSERR; |
1159 | break; |
1160 | } |
1161 | continue; |
1162 | case 1: |
1163 | case 2: |
1164 | case 3: |
1165 | case 4: |
1166 | case 5: |
1167 | if ((c & 0xC0) != 0x80) { |
a748a096 |
1168 | unget = c; |
5a16642f |
1169 | c = UCSERR; |
887035a5 |
1170 | term->utf_state = 0; |
4eeb7d09 |
1171 | break; |
1172 | } |
887035a5 |
1173 | term->utf_char = (term->utf_char << 6) | (c & 0x3f); |
1174 | if (--term->utf_state) |
4eeb7d09 |
1175 | continue; |
1176 | |
887035a5 |
1177 | c = term->utf_char; |
4eeb7d09 |
1178 | |
1179 | /* Is somebody trying to be evil! */ |
1180 | if (c < 0x80 || |
887035a5 |
1181 | (c < 0x800 && term->utf_size >= 2) || |
1182 | (c < 0x10000 && term->utf_size >= 3) || |
1183 | (c < 0x200000 && term->utf_size >= 4) || |
1184 | (c < 0x4000000 && term->utf_size >= 5)) |
4eeb7d09 |
1185 | c = UCSERR; |
1186 | |
1187 | /* Unicode line separator and paragraph separator are CR-LF */ |
1188 | if (c == 0x2028 || c == 0x2029) |
1189 | c = 0x85; |
1190 | |
1191 | /* High controls are probably a Baaad idea too. */ |
1192 | if (c < 0xA0) |
1193 | c = 0xFFFD; |
1194 | |
1195 | /* The UTF-16 surrogates are not nice either. */ |
1196 | /* The standard give the option of decoding these: |
1197 | * I don't want to! */ |
1198 | if (c >= 0xD800 && c < 0xE000) |
1199 | c = UCSERR; |
1200 | |
1201 | /* ISO 10646 characters now limited to UTF-16 range. */ |
1202 | if (c > 0x10FFFF) |
1203 | c = UCSERR; |
1204 | |
1205 | /* This is currently a TagPhobic application.. */ |
1206 | if (c >= 0xE0000 && c <= 0xE007F) |
1207 | continue; |
1208 | |
1209 | /* U+FEFF is best seen as a null. */ |
1210 | if (c == 0xFEFF) |
1211 | continue; |
1212 | /* But U+FFFE is an error. */ |
1213 | if (c == 0xFFFE || c == 0xFFFF) |
1214 | c = UCSERR; |
1215 | |
1216 | /* Oops this is a 16bit implementation */ |
1217 | if (c >= 0x10000) |
1218 | c = 0xFFFD; |
1219 | break; |
d3cb5465 |
1220 | } |
1221 | /* Are we in the nasty ACS mode? Note: no sco in utf mode. */ |
887035a5 |
1222 | else if(term->sco_acs && |
d3cb5465 |
1223 | (c!='\033' && c!='\n' && c!='\r' && c!='\b')) |
1224 | { |
887035a5 |
1225 | if (term->sco_acs == 2) c ^= 0x80; |
d3cb5465 |
1226 | c |= ATTR_SCOACS; |
4eeb7d09 |
1227 | } else { |
887035a5 |
1228 | switch (term->cset_attr[term->cset]) { |
4eeb7d09 |
1229 | /* |
1230 | * Linedraw characters are different from 'ESC ( B' |
1231 | * only for a small range. For ones outside that |
1232 | * range, make sure we use the same font as well as |
1233 | * the same encoding. |
1234 | */ |
1235 | case ATTR_LINEDRW: |
1236 | if (unitab_ctrl[c] != 0xFF) |
1237 | c = unitab_ctrl[c]; |
1238 | else |
1239 | c = ((unsigned char) c) | ATTR_LINEDRW; |
1240 | break; |
1241 | |
1242 | case ATTR_GBCHR: |
1243 | /* If UK-ASCII, make the '#' a LineDraw Pound */ |
1244 | if (c == '#') { |
1245 | c = '}' | ATTR_LINEDRW; |
1246 | break; |
1247 | } |
1248 | /*FALLTHROUGH*/ case ATTR_ASCII: |
1249 | if (unitab_ctrl[c] != 0xFF) |
1250 | c = unitab_ctrl[c]; |
1251 | else |
1252 | c = ((unsigned char) c) | ATTR_ASCII; |
1253 | break; |
d3cb5465 |
1254 | case ATTR_SCOACS: |
1255 | if (c>=' ') c = ((unsigned char)c) | ATTR_SCOACS; |
1256 | break; |
4eeb7d09 |
1257 | } |
1258 | } |
1259 | } |
1260 | |
1261 | /* How about C1 controls ? */ |
887035a5 |
1262 | if ((c & -32) == 0x80 && term->termstate < DO_CTRLS && |
1263 | !term->vt52_mode && has_compat(VT220)) { |
1264 | term->termstate = SEEN_ESC; |
1265 | term->esc_query = FALSE; |
4eeb7d09 |
1266 | c = '@' + (c & 0x1F); |
1267 | } |
1268 | |
1269 | /* Or the GL control. */ |
887035a5 |
1270 | if (c == '\177' && term->termstate < DO_CTRLS && has_compat(OTHER)) { |
1271 | if (term->curs.x && !term->wrapnext) |
1272 | term->curs.x--; |
1273 | term->wrapnext = FALSE; |
4eeb7d09 |
1274 | fix_cpos; |
0d2086c5 |
1275 | if (!cfg.no_dbackspace) /* destructive bksp might be disabled */ |
887035a5 |
1276 | *term->cpos = (' ' | term->curr_attr | ATTR_ASCII); |
4eeb7d09 |
1277 | } else |
1278 | /* Or normal C0 controls. */ |
887035a5 |
1279 | if ((c & -32) == 0 && term->termstate < DO_CTRLS) { |
374330e2 |
1280 | switch (c) { |
1281 | case '\005': /* terminal type query */ |
e14a5a13 |
1282 | /* Strictly speaking this is VT100 but a VT100 defaults to |
1283 | * no response. Other terminals respond at their option. |
1284 | * |
1285 | * Don't put a CR in the default string as this tends to |
1286 | * upset some weird software. |
1287 | * |
1288 | * An xterm returns "xterm" (5 characters) |
1289 | */ |
32874aea |
1290 | compatibility(ANSIMIN); |
e7fbcdd8 |
1291 | { |
1292 | char abuf[256], *s, *d; |
32874aea |
1293 | int state = 0; |
1294 | for (s = cfg.answerback, d = abuf; *s; s++) { |
1295 | if (state) { |
1296 | if (*s >= 'a' && *s <= 'z') |
1297 | *d++ = (*s - ('a' - 1)); |
1298 | else if ((*s >= '@' && *s <= '_') || |
1299 | *s == '?' || (*s & 0x80)) |
1300 | *d++ = ('@' ^ *s); |
1301 | else if (*s == '~') |
1302 | *d++ = '^'; |
1303 | state = 0; |
1304 | } else if (*s == '^') { |
1305 | state = 1; |
1306 | } else |
4eeb7d09 |
1307 | *d++ = *s; |
e7fbcdd8 |
1308 | } |
f7f27309 |
1309 | lpage_send(DEFAULT_CODEPAGE, abuf, d - abuf, 0); |
e7fbcdd8 |
1310 | } |
374330e2 |
1311 | break; |
1312 | case '\007': |
156686ef |
1313 | { |
1314 | struct beeptime *newbeep; |
286c6b86 |
1315 | unsigned long ticks; |
156686ef |
1316 | |
f7f27309 |
1317 | ticks = GETTICKCOUNT(); |
156686ef |
1318 | |
887035a5 |
1319 | if (!term->beep_overloaded) { |
156686ef |
1320 | newbeep = smalloc(sizeof(struct beeptime)); |
1321 | newbeep->ticks = ticks; |
1322 | newbeep->next = NULL; |
887035a5 |
1323 | if (!term->beephead) |
1324 | term->beephead = newbeep; |
156686ef |
1325 | else |
887035a5 |
1326 | term->beeptail->next = newbeep; |
1327 | term->beeptail = newbeep; |
1328 | term->nbeeps++; |
156686ef |
1329 | } |
1330 | |
1331 | /* |
1332 | * Throw out any beeps that happened more than |
1333 | * t seconds ago. |
1334 | */ |
887035a5 |
1335 | while (term->beephead && |
1336 | term->beephead->ticks < ticks - cfg.bellovl_t) { |
1337 | struct beeptime *tmp = term->beephead; |
1338 | term->beephead = tmp->next; |
156686ef |
1339 | sfree(tmp); |
887035a5 |
1340 | if (!term->beephead) |
1341 | term->beeptail = NULL; |
1342 | term->nbeeps--; |
156686ef |
1343 | } |
1344 | |
887035a5 |
1345 | if (cfg.bellovl && term->beep_overloaded && |
1346 | ticks - term->lastbeep >= (unsigned)cfg.bellovl_s) { |
156686ef |
1347 | /* |
1348 | * If we're currently overloaded and the |
1349 | * last beep was more than s seconds ago, |
1350 | * leave overload mode. |
1351 | */ |
887035a5 |
1352 | term->beep_overloaded = FALSE; |
1353 | } else if (cfg.bellovl && !term->beep_overloaded && |
1354 | term->nbeeps >= cfg.bellovl_n) { |
156686ef |
1355 | /* |
1356 | * Now, if we have n or more beeps |
1357 | * remaining in the queue, go into overload |
1358 | * mode. |
1359 | */ |
887035a5 |
1360 | term->beep_overloaded = TRUE; |
156686ef |
1361 | } |
887035a5 |
1362 | term->lastbeep = ticks; |
156686ef |
1363 | |
1364 | /* |
1365 | * Perform an actual beep if we're not overloaded. |
1366 | */ |
887035a5 |
1367 | if (!cfg.bellovl || !term->beep_overloaded) { |
f8a28d1f |
1368 | if (cfg.beep == BELL_VISUAL) { |
887035a5 |
1369 | term->in_vbell = TRUE; |
1370 | term->vbell_startpoint = ticks; |
1371 | term_update(term); |
1d3989ed |
1372 | } else |
1373 | beep(cfg.beep); |
156686ef |
1374 | } |
887035a5 |
1375 | term->disptop = 0; |
156686ef |
1376 | } |
374330e2 |
1377 | break; |
1378 | case '\b': |
887035a5 |
1379 | if (term->curs.x == 0 && |
1380 | (term->curs.y == 0 || term->wrap == 0)) |
1381 | /* do nothing */ ; |
1382 | else if (term->curs.x == 0 && term->curs.y > 0) |
1383 | term->curs.x = term->cols - 1, term->curs.y--; |
1384 | else if (term->wrapnext) |
1385 | term->wrapnext = FALSE; |
374330e2 |
1386 | else |
887035a5 |
1387 | term->curs.x--; |
374330e2 |
1388 | fix_cpos; |
887035a5 |
1389 | term->seen_disp_event = TRUE; |
374330e2 |
1390 | break; |
1391 | case '\016': |
32874aea |
1392 | compatibility(VT100); |
887035a5 |
1393 | term->cset = 1; |
374330e2 |
1394 | break; |
1395 | case '\017': |
32874aea |
1396 | compatibility(VT100); |
887035a5 |
1397 | term->cset = 0; |
374330e2 |
1398 | break; |
1399 | case '\033': |
887035a5 |
1400 | if (term->vt52_mode) |
1401 | term->termstate = VT52_ESC; |
e14a5a13 |
1402 | else { |
1403 | compatibility(ANSIMIN); |
887035a5 |
1404 | term->termstate = SEEN_ESC; |
1405 | term->esc_query = FALSE; |
e14a5a13 |
1406 | } |
374330e2 |
1407 | break; |
374330e2 |
1408 | case '\r': |
887035a5 |
1409 | term->curs.x = 0; |
1410 | term->wrapnext = FALSE; |
374330e2 |
1411 | fix_cpos; |
887035a5 |
1412 | term->seen_disp_event = TRUE; |
1413 | term->paste_hold = 0; |
32874aea |
1414 | logtraffic((unsigned char) c, LGTYP_ASCII); |
374330e2 |
1415 | break; |
374330e2 |
1416 | case '\014': |
1a837633 |
1417 | if (has_compat(SCOANSI)) { |
887035a5 |
1418 | move(term, 0, 0, 0); |
1419 | erase_lots(term, FALSE, FALSE, TRUE); |
1420 | term->disptop = 0; |
1421 | term->wrapnext = FALSE; |
1422 | term->seen_disp_event = 1; |
1a837633 |
1423 | break; |
1424 | } |
1425 | case '\013': |
32874aea |
1426 | compatibility(VT100); |
374330e2 |
1427 | case '\n': |
887035a5 |
1428 | if (term->curs.y == term->marg_b) |
1429 | scroll(term, term->marg_t, term->marg_b, 1, TRUE); |
1430 | else if (term->curs.y < term->rows - 1) |
1431 | term->curs.y++; |
cabfd08c |
1432 | if (cfg.lfhascr) |
887035a5 |
1433 | term->curs.x = 0; |
374330e2 |
1434 | fix_cpos; |
887035a5 |
1435 | term->wrapnext = FALSE; |
1436 | term->seen_disp_event = 1; |
1437 | term->paste_hold = 0; |
32874aea |
1438 | logtraffic((unsigned char) c, LGTYP_ASCII); |
374330e2 |
1439 | break; |
1440 | case '\t': |
374330e2 |
1441 | { |
887035a5 |
1442 | pos old_curs = term->curs; |
1443 | unsigned long *ldata = lineptr(term->curs.y); |
c9def1b8 |
1444 | |
1445 | do { |
887035a5 |
1446 | term->curs.x++; |
1447 | } while (term->curs.x < term->cols - 1 && |
1448 | !term->tabs[term->curs.x]); |
c9def1b8 |
1449 | |
887035a5 |
1450 | if ((ldata[term->cols] & LATTR_MODE) != LATTR_NORM) { |
1451 | if (term->curs.x >= term->cols / 2) |
1452 | term->curs.x = term->cols / 2 - 1; |
32874aea |
1453 | } else { |
887035a5 |
1454 | if (term->curs.x >= term->cols) |
1455 | term->curs.x = term->cols - 1; |
c9def1b8 |
1456 | } |
1457 | |
374330e2 |
1458 | fix_cpos; |
887035a5 |
1459 | check_selection(term, old_curs, term->curs); |
374330e2 |
1460 | } |
887035a5 |
1461 | term->seen_disp_event = TRUE; |
374330e2 |
1462 | break; |
cabfd08c |
1463 | } |
32874aea |
1464 | } else |
887035a5 |
1465 | switch (term->termstate) { |
32874aea |
1466 | case TOPLEVEL: |
887035a5 |
1467 | /* Only graphic characters get this far; |
1468 | * ctrls are stripped above */ |
1469 | if (term->wrapnext && term->wrap) { |
1470 | term->cpos[1] |= LATTR_WRAPPED; |
1471 | if (term->curs.y == term->marg_b) |
1472 | scroll(term, term->marg_t, term->marg_b, 1, TRUE); |
1473 | else if (term->curs.y < term->rows - 1) |
1474 | term->curs.y++; |
1475 | term->curs.x = 0; |
32874aea |
1476 | fix_cpos; |
887035a5 |
1477 | term->wrapnext = FALSE; |
374330e2 |
1478 | } |
887035a5 |
1479 | if (term->insert) |
1480 | insch(term, 1); |
1481 | if (term->selstate != NO_SELECTION) { |
1482 | pos cursplus = term->curs; |
32874aea |
1483 | incpos(cursplus); |
887035a5 |
1484 | check_selection(term, term->curs, cursplus); |
374330e2 |
1485 | } |
4eeb7d09 |
1486 | if ((c & CSET_MASK) == ATTR_ASCII || (c & CSET_MASK) == 0) |
1487 | logtraffic((unsigned char) c, LGTYP_ASCII); |
1488 | { |
1489 | extern int wcwidth(wchar_t ucs); |
1490 | int width = 0; |
1491 | if (DIRECT_CHAR(c)) |
1492 | width = 1; |
1493 | if (!width) |
1494 | width = wcwidth((wchar_t) c); |
1495 | switch (width) { |
1496 | case 2: |
887035a5 |
1497 | *term->cpos++ = c | term->curr_attr; |
1498 | if (++term->curs.x == term->cols) { |
1499 | *term->cpos |= LATTR_WRAPPED; |
1500 | if (term->curs.y == term->marg_b) |
1501 | scroll(term, term->marg_t, term->marg_b, |
1502 | 1, TRUE); |
1503 | else if (term->curs.y < term->rows - 1) |
1504 | term->curs.y++; |
1505 | term->curs.x = 0; |
5a73255e |
1506 | fix_cpos; |
4eeb7d09 |
1507 | } |
887035a5 |
1508 | *term->cpos++ = UCSWIDE | term->curr_attr; |
5a73255e |
1509 | break; |
4eeb7d09 |
1510 | case 1: |
887035a5 |
1511 | *term->cpos++ = c | term->curr_attr; |
32874aea |
1512 | break; |
4eeb7d09 |
1513 | default: |
1514 | continue; |
32874aea |
1515 | } |
374330e2 |
1516 | } |
887035a5 |
1517 | term->curs.x++; |
1518 | if (term->curs.x == term->cols) { |
1519 | term->cpos--; |
1520 | term->curs.x--; |
1521 | term->wrapnext = TRUE; |
1522 | if (term->wrap && term->vt52_mode) { |
1523 | term->cpos[1] |= LATTR_WRAPPED; |
1524 | if (term->curs.y == term->marg_b) |
1525 | scroll(term, term->marg_t, term->marg_b, 1, TRUE); |
1526 | else if (term->curs.y < term->rows - 1) |
1527 | term->curs.y++; |
1528 | term->curs.x = 0; |
4eeb7d09 |
1529 | fix_cpos; |
887035a5 |
1530 | term->wrapnext = FALSE; |
4eeb7d09 |
1531 | } |
e14a5a13 |
1532 | } |
887035a5 |
1533 | term->seen_disp_event = 1; |
374330e2 |
1534 | break; |
32874aea |
1535 | |
32874aea |
1536 | case OSC_MAYBE_ST: |
1537 | /* |
1538 | * This state is virtually identical to SEEN_ESC, with the |
1539 | * exception that we have an OSC sequence in the pipeline, |
1540 | * and _if_ we see a backslash, we process it. |
1541 | */ |
1542 | if (c == '\\') { |
887035a5 |
1543 | do_osc(term); |
1544 | term->termstate = TOPLEVEL; |
32874aea |
1545 | break; |
e14a5a13 |
1546 | } |
32874aea |
1547 | /* else fall through */ |
1548 | case SEEN_ESC: |
4eeb7d09 |
1549 | if (c >= ' ' && c <= '/') { |
887035a5 |
1550 | if (term->esc_query) |
1551 | term->esc_query = -1; |
4eeb7d09 |
1552 | else |
887035a5 |
1553 | term->esc_query = c; |
32874aea |
1554 | break; |
4eeb7d09 |
1555 | } |
887035a5 |
1556 | term->termstate = TOPLEVEL; |
1557 | switch (ANSI(c, term->esc_query)) { |
32874aea |
1558 | case '[': /* enter CSI mode */ |
887035a5 |
1559 | term->termstate = SEEN_CSI; |
1560 | term->esc_nargs = 1; |
1561 | term->esc_args[0] = ARG_DEFAULT; |
1562 | term->esc_query = FALSE; |
32874aea |
1563 | break; |
1564 | case ']': /* xterm escape sequences */ |
1565 | /* Compatibility is nasty here, xterm, linux, decterm yuk! */ |
1566 | compatibility(OTHER); |
887035a5 |
1567 | term->termstate = SEEN_OSC; |
1568 | term->esc_args[0] = 0; |
32874aea |
1569 | break; |
32874aea |
1570 | case '7': /* save cursor */ |
1571 | compatibility(VT100); |
887035a5 |
1572 | save_cursor(term, TRUE); |
32874aea |
1573 | break; |
1574 | case '8': /* restore cursor */ |
1575 | compatibility(VT100); |
887035a5 |
1576 | save_cursor(term, FALSE); |
1577 | term->seen_disp_event = TRUE; |
32874aea |
1578 | break; |
1579 | case '=': |
1580 | compatibility(VT100); |
887035a5 |
1581 | term->app_keypad_keys = TRUE; |
32874aea |
1582 | break; |
1583 | case '>': |
1584 | compatibility(VT100); |
887035a5 |
1585 | term->app_keypad_keys = FALSE; |
32874aea |
1586 | break; |
1587 | case 'D': /* exactly equivalent to LF */ |
1588 | compatibility(VT100); |
887035a5 |
1589 | if (term->curs.y == term->marg_b) |
1590 | scroll(term, term->marg_t, term->marg_b, 1, TRUE); |
1591 | else if (term->curs.y < term->rows - 1) |
1592 | term->curs.y++; |
32874aea |
1593 | fix_cpos; |
887035a5 |
1594 | term->wrapnext = FALSE; |
1595 | term->seen_disp_event = TRUE; |
32874aea |
1596 | break; |
1597 | case 'E': /* exactly equivalent to CR-LF */ |
1598 | compatibility(VT100); |
887035a5 |
1599 | term->curs.x = 0; |
1600 | if (term->curs.y == term->marg_b) |
1601 | scroll(term, term->marg_t, term->marg_b, 1, TRUE); |
1602 | else if (term->curs.y < term->rows - 1) |
1603 | term->curs.y++; |
32874aea |
1604 | fix_cpos; |
887035a5 |
1605 | term->wrapnext = FALSE; |
1606 | term->seen_disp_event = TRUE; |
32874aea |
1607 | break; |
1608 | case 'M': /* reverse index - backwards LF */ |
1609 | compatibility(VT100); |
887035a5 |
1610 | if (term->curs.y == term->marg_t) |
1611 | scroll(term, term->marg_t, term->marg_b, -1, TRUE); |
1612 | else if (term->curs.y > 0) |
1613 | term->curs.y--; |
32874aea |
1614 | fix_cpos; |
887035a5 |
1615 | term->wrapnext = FALSE; |
1616 | term->seen_disp_event = TRUE; |
32874aea |
1617 | break; |
1618 | case 'Z': /* terminal type query */ |
1619 | compatibility(VT100); |
887035a5 |
1620 | ldisc_send(term->id_string, strlen(term->id_string), 0); |
32874aea |
1621 | break; |
1622 | case 'c': /* restore power-on settings */ |
1623 | compatibility(VT100); |
887035a5 |
1624 | power_on(term); |
1625 | ldisc_send(NULL, 0, 0);/* cause ldisc to notice changes */ |
1626 | if (term->reset_132) { |
0d2086c5 |
1627 | if (!cfg.no_remote_resize) |
887035a5 |
1628 | request_resize(80, term->rows); |
1629 | term->reset_132 = 0; |
374330e2 |
1630 | } |
32874aea |
1631 | fix_cpos; |
887035a5 |
1632 | term->disptop = 0; |
1633 | term->seen_disp_event = TRUE; |
32874aea |
1634 | break; |
32874aea |
1635 | case 'H': /* set a tab */ |
1636 | compatibility(VT100); |
887035a5 |
1637 | term->tabs[term->curs.x] = TRUE; |
32874aea |
1638 | break; |
4eeb7d09 |
1639 | |
1640 | case ANSI('8', '#'): /* ESC # 8 fills screen with Es :-) */ |
1641 | compatibility(VT100); |
1642 | { |
1643 | unsigned long *ldata; |
1644 | int i, j; |
1645 | pos scrtop, scrbot; |
1646 | |
887035a5 |
1647 | for (i = 0; i < term->rows; i++) { |
4eeb7d09 |
1648 | ldata = lineptr(i); |
887035a5 |
1649 | for (j = 0; j < term->cols; j++) |
4eeb7d09 |
1650 | ldata[j] = ATTR_DEFAULT | 'E'; |
887035a5 |
1651 | ldata[term->cols] = 0; |
4eeb7d09 |
1652 | } |
887035a5 |
1653 | term->disptop = 0; |
1654 | term->seen_disp_event = TRUE; |
4eeb7d09 |
1655 | scrtop.x = scrtop.y = 0; |
1656 | scrbot.x = 0; |
887035a5 |
1657 | scrbot.y = term->rows; |
1658 | check_selection(term, scrtop, scrbot); |
4eeb7d09 |
1659 | } |
1660 | break; |
1661 | |
1662 | case ANSI('3', '#'): |
1663 | case ANSI('4', '#'): |
1664 | case ANSI('5', '#'): |
1665 | case ANSI('6', '#'): |
1666 | compatibility(VT100); |
1667 | { |
1668 | unsigned long nlattr; |
1669 | unsigned long *ldata; |
887035a5 |
1670 | switch (ANSI(c, term->esc_query)) { |
4eeb7d09 |
1671 | case ANSI('3', '#'): |
1672 | nlattr = LATTR_TOP; |
1673 | break; |
1674 | case ANSI('4', '#'): |
1675 | nlattr = LATTR_BOT; |
1676 | break; |
1677 | case ANSI('5', '#'): |
1678 | nlattr = LATTR_NORM; |
1679 | break; |
2d466ffd |
1680 | default: /* spiritually case ANSI('6', '#'): */ |
4eeb7d09 |
1681 | nlattr = LATTR_WIDE; |
1682 | break; |
1683 | } |
887035a5 |
1684 | ldata = lineptr(term->curs.y); |
1685 | ldata[term->cols] &= ~LATTR_MODE; |
1686 | ldata[term->cols] |= nlattr; |
4eeb7d09 |
1687 | } |
1688 | break; |
1689 | |
1690 | case ANSI('A', '('): |
1691 | compatibility(VT100); |
0d2086c5 |
1692 | if (!cfg.no_remote_charset) |
887035a5 |
1693 | term->cset_attr[0] = ATTR_GBCHR; |
4eeb7d09 |
1694 | break; |
1695 | case ANSI('B', '('): |
1696 | compatibility(VT100); |
0d2086c5 |
1697 | if (!cfg.no_remote_charset) |
887035a5 |
1698 | term->cset_attr[0] = ATTR_ASCII; |
4eeb7d09 |
1699 | break; |
1700 | case ANSI('0', '('): |
1701 | compatibility(VT100); |
0d2086c5 |
1702 | if (!cfg.no_remote_charset) |
887035a5 |
1703 | term->cset_attr[0] = ATTR_LINEDRW; |
4eeb7d09 |
1704 | break; |
d3cb5465 |
1705 | case ANSI('U', '('): |
1706 | compatibility(OTHER); |
0d2086c5 |
1707 | if (!cfg.no_remote_charset) |
887035a5 |
1708 | term->cset_attr[0] = ATTR_SCOACS; |
d3cb5465 |
1709 | break; |
4eeb7d09 |
1710 | |
1711 | case ANSI('A', ')'): |
1712 | compatibility(VT100); |
0d2086c5 |
1713 | if (!cfg.no_remote_charset) |
887035a5 |
1714 | term->cset_attr[1] = ATTR_GBCHR; |
4eeb7d09 |
1715 | break; |
1716 | case ANSI('B', ')'): |
1717 | compatibility(VT100); |
0d2086c5 |
1718 | if (!cfg.no_remote_charset) |
887035a5 |
1719 | term->cset_attr[1] = ATTR_ASCII; |
4eeb7d09 |
1720 | break; |
1721 | case ANSI('0', ')'): |
1722 | compatibility(VT100); |
0d2086c5 |
1723 | if (!cfg.no_remote_charset) |
887035a5 |
1724 | term->cset_attr[1] = ATTR_LINEDRW; |
4eeb7d09 |
1725 | break; |
d3cb5465 |
1726 | case ANSI('U', ')'): |
1727 | compatibility(OTHER); |
0d2086c5 |
1728 | if (!cfg.no_remote_charset) |
887035a5 |
1729 | term->cset_attr[1] = ATTR_SCOACS; |
d3cb5465 |
1730 | break; |
4eeb7d09 |
1731 | |
1732 | case ANSI('8', '%'): /* Old Linux code */ |
1733 | case ANSI('G', '%'): |
1734 | compatibility(OTHER); |
0d2086c5 |
1735 | if (!cfg.no_remote_charset) |
887035a5 |
1736 | term->utf = 1; |
4eeb7d09 |
1737 | break; |
1738 | case ANSI('@', '%'): |
1739 | compatibility(OTHER); |
0d2086c5 |
1740 | if (!cfg.no_remote_charset) |
887035a5 |
1741 | term->utf = 0; |
4eeb7d09 |
1742 | break; |
374330e2 |
1743 | } |
1744 | break; |
32874aea |
1745 | case SEEN_CSI: |
887035a5 |
1746 | term->termstate = TOPLEVEL; /* default */ |
32874aea |
1747 | if (isdigit(c)) { |
887035a5 |
1748 | if (term->esc_nargs <= ARGS_MAX) { |
1749 | if (term->esc_args[term->esc_nargs - 1] == ARG_DEFAULT) |
1750 | term->esc_args[term->esc_nargs - 1] = 0; |
1751 | term->esc_args[term->esc_nargs - 1] = |
1752 | 10 * term->esc_args[term->esc_nargs - 1] + c - '0'; |
32874aea |
1753 | } |
887035a5 |
1754 | term->termstate = SEEN_CSI; |
32874aea |
1755 | } else if (c == ';') { |
887035a5 |
1756 | if (++term->esc_nargs <= ARGS_MAX) |
1757 | term->esc_args[term->esc_nargs - 1] = ARG_DEFAULT; |
1758 | term->termstate = SEEN_CSI; |
32874aea |
1759 | } else if (c < '@') { |
887035a5 |
1760 | if (term->esc_query) |
1761 | term->esc_query = -1; |
32874aea |
1762 | else if (c == '?') |
887035a5 |
1763 | term->esc_query = TRUE; |
32874aea |
1764 | else |
887035a5 |
1765 | term->esc_query = c; |
1766 | term->termstate = SEEN_CSI; |
32874aea |
1767 | } else |
887035a5 |
1768 | switch (ANSI(c, term->esc_query)) { |
32874aea |
1769 | case 'A': /* move up N lines */ |
887035a5 |
1770 | move(term, term->curs.x, |
1771 | term->curs.y - def(term->esc_args[0], 1), 1); |
1772 | term->seen_disp_event = TRUE; |
32874aea |
1773 | break; |
1774 | case 'e': /* move down N lines */ |
1775 | compatibility(ANSI); |
5442e92f |
1776 | /* FALLTHROUGH */ |
32874aea |
1777 | case 'B': |
887035a5 |
1778 | move(term, term->curs.x, |
1779 | term->curs.y + def(term->esc_args[0], 1), 1); |
1780 | term->seen_disp_event = TRUE; |
32874aea |
1781 | break; |
32874aea |
1782 | case ANSI('c', '>'): /* report xterm version */ |
1783 | compatibility(OTHER); |
1784 | /* this reports xterm version 136 so that VIM can |
1785 | use the drag messages from the mouse reporting */ |
760e88b2 |
1786 | ldisc_send("\033[>0;136;0c", 11, 0); |
32874aea |
1787 | break; |
5442e92f |
1788 | case 'a': /* move right N cols */ |
1789 | compatibility(ANSI); |
1790 | /* FALLTHROUGH */ |
32874aea |
1791 | case 'C': |
887035a5 |
1792 | move(term, term->curs.x + def(term->esc_args[0], 1), |
1793 | term->curs.y, 1); |
1794 | term->seen_disp_event = TRUE; |
32874aea |
1795 | break; |
1796 | case 'D': /* move left N cols */ |
887035a5 |
1797 | move(term, term->curs.x - def(term->esc_args[0], 1), |
1798 | term->curs.y, 1); |
1799 | term->seen_disp_event = TRUE; |
32874aea |
1800 | break; |
1801 | case 'E': /* move down N lines and CR */ |
1802 | compatibility(ANSI); |
887035a5 |
1803 | move(term, 0, |
1804 | term->curs.y + def(term->esc_args[0], 1), 1); |
1805 | term->seen_disp_event = TRUE; |
32874aea |
1806 | break; |
1807 | case 'F': /* move up N lines and CR */ |
1808 | compatibility(ANSI); |
887035a5 |
1809 | move(term, 0, |
1810 | term->curs.y - def(term->esc_args[0], 1), 1); |
1811 | term->seen_disp_event = TRUE; |
32874aea |
1812 | break; |
1813 | case 'G': |
1814 | case '`': /* set horizontal posn */ |
1815 | compatibility(ANSI); |
887035a5 |
1816 | move(term, def(term->esc_args[0], 1) - 1, |
1817 | term->curs.y, 0); |
1818 | term->seen_disp_event = TRUE; |
32874aea |
1819 | break; |
1820 | case 'd': /* set vertical posn */ |
1821 | compatibility(ANSI); |
887035a5 |
1822 | move(term, term->curs.x, |
1823 | ((term->dec_om ? term->marg_t : 0) + |
1824 | def(term->esc_args[0], 1) - 1), |
1825 | (term->dec_om ? 2 : 0)); |
1826 | term->seen_disp_event = TRUE; |
32874aea |
1827 | break; |
1828 | case 'H': |
1829 | case 'f': /* set horz and vert posns at once */ |
887035a5 |
1830 | if (term->esc_nargs < 2) |
1831 | term->esc_args[1] = ARG_DEFAULT; |
1832 | move(term, def(term->esc_args[1], 1) - 1, |
1833 | ((term->dec_om ? term->marg_t : 0) + |
1834 | def(term->esc_args[0], 1) - 1), |
1835 | (term->dec_om ? 2 : 0)); |
1836 | term->seen_disp_event = TRUE; |
32874aea |
1837 | break; |
1838 | case 'J': /* erase screen or parts of it */ |
1839 | { |
887035a5 |
1840 | unsigned int i = def(term->esc_args[0], 0) + 1; |
32874aea |
1841 | if (i > 3) |
1842 | i = 0; |
887035a5 |
1843 | erase_lots(term, FALSE, !!(i & 2), !!(i & 1)); |
32874aea |
1844 | } |
887035a5 |
1845 | term->disptop = 0; |
1846 | term->seen_disp_event = TRUE; |
32874aea |
1847 | break; |
1848 | case 'K': /* erase line or parts of it */ |
1849 | { |
887035a5 |
1850 | unsigned int i = def(term->esc_args[0], 0) + 1; |
32874aea |
1851 | if (i > 3) |
1852 | i = 0; |
887035a5 |
1853 | erase_lots(term, TRUE, !!(i & 2), !!(i & 1)); |
32874aea |
1854 | } |
887035a5 |
1855 | term->seen_disp_event = TRUE; |
32874aea |
1856 | break; |
1857 | case 'L': /* insert lines */ |
1858 | compatibility(VT102); |
887035a5 |
1859 | if (term->curs.y <= term->marg_b) |
1860 | scroll(term, term->curs.y, term->marg_b, |
1861 | -def(term->esc_args[0], 1), FALSE); |
32874aea |
1862 | fix_cpos; |
887035a5 |
1863 | term->seen_disp_event = TRUE; |
32874aea |
1864 | break; |
1865 | case 'M': /* delete lines */ |
1866 | compatibility(VT102); |
887035a5 |
1867 | if (term->curs.y <= term->marg_b) |
1868 | scroll(term, term->curs.y, term->marg_b, |
1869 | def(term->esc_args[0], 1), |
32874aea |
1870 | TRUE); |
1871 | fix_cpos; |
887035a5 |
1872 | term->seen_disp_event = TRUE; |
32874aea |
1873 | break; |
1874 | case '@': /* insert chars */ |
1875 | /* XXX VTTEST says this is vt220, vt510 manual says vt102 */ |
1876 | compatibility(VT102); |
887035a5 |
1877 | insch(term, def(term->esc_args[0], 1)); |
1878 | term->seen_disp_event = TRUE; |
32874aea |
1879 | break; |
1880 | case 'P': /* delete chars */ |
1881 | compatibility(VT102); |
887035a5 |
1882 | insch(term, -def(term->esc_args[0], 1)); |
1883 | term->seen_disp_event = TRUE; |
32874aea |
1884 | break; |
1885 | case 'c': /* terminal type query */ |
1886 | compatibility(VT100); |
1887 | /* This is the response for a VT102 */ |
887035a5 |
1888 | ldisc_send(term->id_string, |
1889 | strlen(term->id_string), 0); |
32874aea |
1890 | break; |
1891 | case 'n': /* cursor position query */ |
887035a5 |
1892 | if (term->esc_args[0] == 6) { |
32874aea |
1893 | char buf[32]; |
887035a5 |
1894 | sprintf(buf, "\033[%d;%dR", term->curs.y + 1, |
1895 | term->curs.x + 1); |
760e88b2 |
1896 | ldisc_send(buf, strlen(buf), 0); |
887035a5 |
1897 | } else if (term->esc_args[0] == 5) { |
760e88b2 |
1898 | ldisc_send("\033[0n", 4, 0); |
32874aea |
1899 | } |
1900 | break; |
1901 | case 'h': /* toggle modes to high */ |
1902 | case ANSI_QUE('h'): |
1903 | compatibility(VT100); |
1904 | { |
1905 | int i; |
887035a5 |
1906 | for (i = 0; i < term->esc_nargs; i++) |
1907 | toggle_mode(term, term->esc_args[i], |
1908 | term->esc_query, TRUE); |
32874aea |
1909 | } |
1910 | break; |
b44b307a |
1911 | case 'i': |
1912 | case ANSI_QUE('i'): |
1913 | compatibility(VT100); |
1914 | { |
887035a5 |
1915 | if (term->esc_nargs != 1) break; |
1916 | if (term->esc_args[0] == 5 && *cfg.printer) { |
1917 | term->printing = TRUE; |
1918 | term->only_printing = !term->esc_query; |
1919 | term->print_state = 0; |
1920 | term_print_setup(term); |
1921 | } else if (term->esc_args[0] == 4 && |
1922 | term->printing) { |
1923 | term_print_finish(term); |
b44b307a |
1924 | } |
1925 | } |
1926 | break; |
32874aea |
1927 | case 'l': /* toggle modes to low */ |
1928 | case ANSI_QUE('l'): |
1929 | compatibility(VT100); |
1930 | { |
1931 | int i; |
887035a5 |
1932 | for (i = 0; i < term->esc_nargs; i++) |
1933 | toggle_mode(term, term->esc_args[i], |
1934 | term->esc_query, FALSE); |
32874aea |
1935 | } |
1936 | break; |
1937 | case 'g': /* clear tabs */ |
1938 | compatibility(VT100); |
887035a5 |
1939 | if (term->esc_nargs == 1) { |
1940 | if (term->esc_args[0] == 0) { |
1941 | term->tabs[term->curs.x] = FALSE; |
1942 | } else if (term->esc_args[0] == 3) { |
32874aea |
1943 | int i; |
887035a5 |
1944 | for (i = 0; i < term->cols; i++) |
1945 | term->tabs[i] = FALSE; |
32874aea |
1946 | } |
1947 | } |
1948 | break; |
1949 | case 'r': /* set scroll margins */ |
1950 | compatibility(VT100); |
887035a5 |
1951 | if (term->esc_nargs <= 2) { |
32874aea |
1952 | int top, bot; |
887035a5 |
1953 | top = def(term->esc_args[0], 1) - 1; |
1954 | bot = (term->esc_nargs <= 1 |
1955 | || term->esc_args[1] == 0 ? |
1956 | term->rows : |
1957 | def(term->esc_args[1], term->rows)) - 1; |
1958 | if (bot >= term->rows) |
1959 | bot = term->rows - 1; |
32874aea |
1960 | /* VTTEST Bug 9 - if region is less than 2 lines |
1961 | * don't change region. |
1962 | */ |
1963 | if (bot - top > 0) { |
887035a5 |
1964 | term->marg_t = top; |
1965 | term->marg_b = bot; |
1966 | term->curs.x = 0; |
32874aea |
1967 | /* |
1968 | * I used to think the cursor should be |
1969 | * placed at the top of the newly marginned |
1970 | * area. Apparently not: VMS TPU falls over |
1971 | * if so. |
1972 | * |
887035a5 |
1973 | * Well actually it should for |
1974 | * Origin mode - RDB |
32874aea |
1975 | */ |
887035a5 |
1976 | term->curs.y = (term->dec_om ? |
1977 | term->marg_t : 0); |
32874aea |
1978 | fix_cpos; |
887035a5 |
1979 | term->seen_disp_event = TRUE; |
32874aea |
1980 | } |
1981 | } |
1982 | break; |
1983 | case 'm': /* set graphics rendition */ |
1984 | { |
1985 | /* |
887035a5 |
1986 | * A VT100 without the AVO only had one |
1987 | * attribute, either underline or |
1988 | * reverse video depending on the |
1989 | * cursor type, this was selected by |
1990 | * CSI 7m. |
32874aea |
1991 | * |
1992 | * case 2: |
887035a5 |
1993 | * This is sometimes DIM, eg on the |
1994 | * GIGI and Linux |
32874aea |
1995 | * case 8: |
4eeb7d09 |
1996 | * This is sometimes INVIS various ANSI. |
32874aea |
1997 | * case 21: |
1998 | * This like 22 disables BOLD, DIM and INVIS |
1999 | * |
887035a5 |
2000 | * The ANSI colours appear on any |
2001 | * terminal that has colour (obviously) |
2002 | * but the interaction between sgr0 and |
2003 | * the colours varies but is usually |
2004 | * related to the background colour |
2005 | * erase item. The interaction between |
2006 | * colour attributes and the mono ones |
2007 | * is also very implementation |
2008 | * dependent. |
32874aea |
2009 | * |
887035a5 |
2010 | * The 39 and 49 attributes are likely |
2011 | * to be unimplemented. |
32874aea |
2012 | */ |
2013 | int i; |
887035a5 |
2014 | for (i = 0; i < term->esc_nargs; i++) { |
2015 | switch (def(term->esc_args[i], 0)) { |
32874aea |
2016 | case 0: /* restore defaults */ |
887035a5 |
2017 | term->curr_attr = ATTR_DEFAULT; |
32874aea |
2018 | break; |
2019 | case 1: /* enable bold */ |
2020 | compatibility(VT100AVO); |
887035a5 |
2021 | term->curr_attr |= ATTR_BOLD; |
32874aea |
2022 | break; |
2023 | case 21: /* (enable double underline) */ |
2024 | compatibility(OTHER); |
2025 | case 4: /* enable underline */ |
2026 | compatibility(VT100AVO); |
887035a5 |
2027 | term->curr_attr |= ATTR_UNDER; |
32874aea |
2028 | break; |
2029 | case 5: /* enable blink */ |
2030 | compatibility(VT100AVO); |
887035a5 |
2031 | term->curr_attr |= ATTR_BLINK; |
32874aea |
2032 | break; |
2033 | case 7: /* enable reverse video */ |
887035a5 |
2034 | term->curr_attr |= ATTR_REVERSE; |
32874aea |
2035 | break; |
d3cb5465 |
2036 | case 10: /* SCO acs off */ |
2037 | compatibility(SCOANSI); |
0d2086c5 |
2038 | if (cfg.no_remote_charset) break; |
887035a5 |
2039 | term->sco_acs = 0; break; |
d3cb5465 |
2040 | case 11: /* SCO acs on */ |
2041 | compatibility(SCOANSI); |
0d2086c5 |
2042 | if (cfg.no_remote_charset) break; |
887035a5 |
2043 | term->sco_acs = 1; break; |
d3cb5465 |
2044 | case 12: /* SCO acs on flipped */ |
2045 | compatibility(SCOANSI); |
0d2086c5 |
2046 | if (cfg.no_remote_charset) break; |
887035a5 |
2047 | term->sco_acs = 2; break; |
32874aea |
2048 | case 22: /* disable bold */ |
2049 | compatibility2(OTHER, VT220); |
887035a5 |
2050 | term->curr_attr &= ~ATTR_BOLD; |
32874aea |
2051 | break; |
2052 | case 24: /* disable underline */ |
2053 | compatibility2(OTHER, VT220); |
887035a5 |
2054 | term->curr_attr &= ~ATTR_UNDER; |
32874aea |
2055 | break; |
2056 | case 25: /* disable blink */ |
2057 | compatibility2(OTHER, VT220); |
887035a5 |
2058 | term->curr_attr &= ~ATTR_BLINK; |
32874aea |
2059 | break; |
2060 | case 27: /* disable reverse video */ |
2061 | compatibility2(OTHER, VT220); |
887035a5 |
2062 | term->curr_attr &= ~ATTR_REVERSE; |
32874aea |
2063 | break; |
2064 | case 30: |
2065 | case 31: |
2066 | case 32: |
2067 | case 33: |
2068 | case 34: |
2069 | case 35: |
2070 | case 36: |
2071 | case 37: |
2072 | /* foreground */ |
887035a5 |
2073 | term->curr_attr &= ~ATTR_FGMASK; |
2074 | term->curr_attr |= |
2075 | (term->esc_args[i] - 30)<<ATTR_FGSHIFT; |
32874aea |
2076 | break; |
2077 | case 39: /* default-foreground */ |
887035a5 |
2078 | term->curr_attr &= ~ATTR_FGMASK; |
2079 | term->curr_attr |= ATTR_DEFFG; |
32874aea |
2080 | break; |
2081 | case 40: |
2082 | case 41: |
2083 | case 42: |
2084 | case 43: |
2085 | case 44: |
2086 | case 45: |
2087 | case 46: |
2088 | case 47: |
2089 | /* background */ |
887035a5 |
2090 | term->curr_attr &= ~ATTR_BGMASK; |
2091 | term->curr_attr |= |
2092 | (term->esc_args[i] - 40)<<ATTR_BGSHIFT; |
32874aea |
2093 | break; |
2094 | case 49: /* default-background */ |
887035a5 |
2095 | term->curr_attr &= ~ATTR_BGMASK; |
2096 | term->curr_attr |= ATTR_DEFBG; |
32874aea |
2097 | break; |
2098 | } |
2099 | } |
887035a5 |
2100 | if (term->use_bce) |
2101 | term->erase_char = (' ' | ATTR_ASCII | |
2102 | (term->curr_attr & |
2103 | (ATTR_FGMASK | |
2104 | ATTR_BGMASK))); |
32874aea |
2105 | } |
2106 | break; |
2107 | case 's': /* save cursor */ |
887035a5 |
2108 | save_cursor(term, TRUE); |
32874aea |
2109 | break; |
2110 | case 'u': /* restore cursor */ |
887035a5 |
2111 | save_cursor(term, FALSE); |
2112 | term->seen_disp_event = TRUE; |
32874aea |
2113 | break; |
2114 | case 't': /* set page size - ie window height */ |
374330e2 |
2115 | /* |
32874aea |
2116 | * VT340/VT420 sequence DECSLPP, DEC only allows values |
2117 | * 24/25/36/48/72/144 other emulators (eg dtterm) use |
2118 | * illegal values (eg first arg 1..9) for window changing |
2119 | * and reports. |
2120 | */ |
887035a5 |
2121 | if (term->esc_nargs <= 1 |
2122 | && (term->esc_args[0] < 1 || |
2123 | term->esc_args[0] >= 24)) { |
68f9b3d9 |
2124 | compatibility(VT340TEXT); |
0d2086c5 |
2125 | if (!cfg.no_remote_resize) |
887035a5 |
2126 | request_resize(term->cols, |
2127 | def(term->esc_args[0], 24)); |
2128 | deselect(term); |
2129 | } else if (term->esc_nargs >= 1 && |
2130 | term->esc_args[0] >= 1 && |
2131 | term->esc_args[0] < 24) { |
68f9b3d9 |
2132 | compatibility(OTHER); |
2133 | |
887035a5 |
2134 | switch (term->esc_args[0]) { |
68f9b3d9 |
2135 | int x, y, len; |
2136 | char buf[80], *p; |
2137 | case 1: |
2138 | set_iconic(FALSE); |
2139 | break; |
2140 | case 2: |
2141 | set_iconic(TRUE); |
2142 | break; |
2143 | case 3: |
887035a5 |
2144 | if (term->esc_nargs >= 3) { |
740f2ef2 |
2145 | if (!cfg.no_remote_resize) |
887035a5 |
2146 | move_window(def(term->esc_args[1], 0), |
2147 | def(term->esc_args[2], 0)); |
68f9b3d9 |
2148 | } |
2149 | break; |
2150 | case 4: |
2151 | /* We should resize the window to a given |
2152 | * size in pixels here, but currently our |
2153 | * resizing code isn't healthy enough to |
2154 | * manage it. */ |
2155 | break; |
2156 | case 5: |
2157 | set_zorder(TRUE); /* move to top */ |
2158 | break; |
2159 | case 6: |
2160 | set_zorder(FALSE); /* move to bottom */ |
2161 | break; |
2162 | case 7: |
2163 | refresh_window(); |
2164 | break; |
2165 | case 8: |
887035a5 |
2166 | if (term->esc_nargs >= 3) { |
0d2086c5 |
2167 | if (!cfg.no_remote_resize) |
887035a5 |
2168 | request_resize(def(term->esc_args[2], cfg.width), |
2169 | def(term->esc_args[1], cfg.height)); |
68f9b3d9 |
2170 | } |
2171 | break; |
2172 | case 9: |
887035a5 |
2173 | if (term->esc_nargs >= 2) |
2174 | set_zoomed(term->esc_args[1] ? |
2175 | TRUE : FALSE); |
68f9b3d9 |
2176 | break; |
2177 | case 11: |
2178 | ldisc_send(is_iconic() ? "\033[1t" : "\033[2t", |
2179 | 4, 0); |
2180 | break; |
2181 | case 13: |
2182 | get_window_pos(&x, &y); |
2183 | len = sprintf(buf, "\033[3;%d;%dt", x, y); |
2184 | ldisc_send(buf, len, 0); |
2185 | break; |
2186 | case 14: |
2187 | get_window_pixels(&x, &y); |
2188 | len = sprintf(buf, "\033[4;%d;%dt", x, y); |
2189 | ldisc_send(buf, len, 0); |
2190 | break; |
2191 | case 18: |
2192 | len = sprintf(buf, "\033[8;%d;%dt", |
887035a5 |
2193 | term->rows, term->cols); |
68f9b3d9 |
2194 | ldisc_send(buf, len, 0); |
2195 | break; |
2196 | case 19: |
2197 | /* |
2198 | * Hmmm. Strictly speaking we |
2199 | * should return `the size of the |
2200 | * screen in characters', but |
2201 | * that's not easy: (a) window |
2202 | * furniture being what it is it's |
2203 | * hard to compute, and (b) in |
2204 | * resize-font mode maximising the |
2205 | * window wouldn't change the |
2206 | * number of characters. *shrug*. I |
2207 | * think we'll ignore it for the |
2208 | * moment and see if anyone |
2209 | * complains, and then ask them |
2210 | * what they would like it to do. |
2211 | */ |
2212 | break; |
2213 | case 20: |
2214 | p = get_window_title(TRUE); |
2215 | len = strlen(p); |
2216 | ldisc_send("\033]L", 3, 0); |
2217 | ldisc_send(p, len, 0); |
2218 | ldisc_send("\033\\", 2, 0); |
2219 | break; |
2220 | case 21: |
2221 | p = get_window_title(FALSE); |
2222 | len = strlen(p); |
2223 | ldisc_send("\033]l", 3, 0); |
2224 | ldisc_send(p, len, 0); |
2225 | ldisc_send("\033\\", 2, 0); |
2226 | break; |
2227 | } |
32874aea |
2228 | } |
2229 | break; |
1a837633 |
2230 | case 'S': |
2231 | compatibility(SCOANSI); |
887035a5 |
2232 | scroll(term, term->marg_t, term->marg_b, |
2233 | def(term->esc_args[0], 1), TRUE); |
1a837633 |
2234 | fix_cpos; |
887035a5 |
2235 | term->wrapnext = FALSE; |
2236 | term->seen_disp_event = TRUE; |
1a837633 |
2237 | break; |
2238 | case 'T': |
2239 | compatibility(SCOANSI); |
887035a5 |
2240 | scroll(term, term->marg_t, term->marg_b, |
2241 | -def(term->esc_args[0], 1), TRUE); |
1a837633 |
2242 | fix_cpos; |
887035a5 |
2243 | term->wrapnext = FALSE; |
2244 | term->seen_disp_event = TRUE; |
1a837633 |
2245 | break; |
32874aea |
2246 | case ANSI('|', '*'): |
2247 | /* VT420 sequence DECSNLS |
2248 | * Set number of lines on screen |
2249 | * VT420 uses VGA like hardware and can support any size in |
2250 | * reasonable range (24..49 AIUI) with no default specified. |
2251 | */ |
2252 | compatibility(VT420); |
887035a5 |
2253 | if (term->esc_nargs == 1 && term->esc_args[0] > 0) { |
0d2086c5 |
2254 | if (!cfg.no_remote_resize) |
887035a5 |
2255 | request_resize(term->cols, |
2256 | def(term->esc_args[0], |
2257 | cfg.height)); |
2258 | deselect(term); |
32874aea |
2259 | } |
2260 | break; |
2261 | case ANSI('|', '$'): |
2262 | /* VT340/VT420 sequence DECSCPP |
2263 | * Set number of columns per page |
2264 | * Docs imply range is only 80 or 132, but I'll allow any. |
2265 | */ |
2266 | compatibility(VT340TEXT); |
887035a5 |
2267 | if (term->esc_nargs <= 1) { |
0d2086c5 |
2268 | if (!cfg.no_remote_resize) |
887035a5 |
2269 | request_resize(def(term->esc_args[0], |
2270 | cfg.width), term->rows); |
2271 | deselect(term); |
32874aea |
2272 | } |
2273 | break; |
2274 | case 'X': /* write N spaces w/o moving cursor */ |
2275 | /* XXX VTTEST says this is vt220, vt510 manual says vt100 */ |
2276 | compatibility(ANSIMIN); |
2277 | { |
887035a5 |
2278 | int n = def(term->esc_args[0], 1); |
32874aea |
2279 | pos cursplus; |
887035a5 |
2280 | unsigned long *p = term->cpos; |
2281 | if (n > term->cols - term->curs.x) |
2282 | n = term->cols - term->curs.x; |
2283 | cursplus = term->curs; |
32874aea |
2284 | cursplus.x += n; |
887035a5 |
2285 | check_selection(term, term->curs, cursplus); |
32874aea |
2286 | while (n--) |
887035a5 |
2287 | *p++ = term->erase_char; |
2288 | term->seen_disp_event = TRUE; |
32874aea |
2289 | } |
2290 | break; |
2291 | case 'x': /* report terminal characteristics */ |
2292 | compatibility(VT100); |
2293 | { |
2294 | char buf[32]; |
887035a5 |
2295 | int i = def(term->esc_args[0], 0); |
32874aea |
2296 | if (i == 0 || i == 1) { |
2297 | strcpy(buf, "\033[2;1;1;112;112;1;0x"); |
2298 | buf[2] += i; |
760e88b2 |
2299 | ldisc_send(buf, 20, 0); |
32874aea |
2300 | } |
2301 | } |
2302 | break; |
979f6987 |
2303 | case 'Z': /* BackTab for xterm */ |
2304 | compatibility(OTHER); |
2305 | { |
887035a5 |
2306 | int i = def(term->esc_args[0], 1); |
2307 | pos old_curs = term->curs; |
979f6987 |
2308 | |
887035a5 |
2309 | for(;i>0 && term->curs.x>0; i--) { |
979f6987 |
2310 | do { |
887035a5 |
2311 | term->curs.x--; |
2312 | } while (term->curs.x >0 && |
2313 | !term->tabs[term->curs.x]); |
979f6987 |
2314 | } |
2315 | fix_cpos; |
887035a5 |
2316 | check_selection(term, old_curs, term->curs); |
979f6987 |
2317 | } |
2318 | break; |
32874aea |
2319 | case ANSI('L', '='): |
2320 | compatibility(OTHER); |
887035a5 |
2321 | term->use_bce = (term->esc_args[0] <= 0); |
2322 | term->erase_char = ERASE_CHAR; |
2323 | if (term->use_bce) |
2324 | term->erase_char = (' ' | ATTR_ASCII | |
2325 | (term->curr_attr & |
2326 | (ATTR_FGMASK | ATTR_BGMASK))); |
32874aea |
2327 | break; |
2328 | case ANSI('E', '='): |
2329 | compatibility(OTHER); |
887035a5 |
2330 | term->blink_is_real = (term->esc_args[0] >= 1); |
32874aea |
2331 | break; |
2332 | case ANSI('p', '"'): |
887035a5 |
2333 | /* |
2334 | * Allow the host to make this emulator a |
2335 | * 'perfect' VT102. This first appeared in |
2336 | * the VT220, but we do need to get back to |
2337 | * PuTTY mode so I won't check it. |
e14a5a13 |
2338 | * |
4eeb7d09 |
2339 | * The arg in 40..42,50 are a PuTTY extension. |
32874aea |
2340 | * The 2nd arg, 8bit vs 7bit is not checked. |
2341 | * |
887035a5 |
2342 | * Setting VT102 mode should also change |
2343 | * the Fkeys to generate PF* codes as a |
2344 | * real VT102 has no Fkeys. The VT220 does |
2345 | * this, F11..F13 become ESC,BS,LF other |
2346 | * Fkeys send nothing. |
32874aea |
2347 | * |
2348 | * Note ESC c will NOT change this! |
374330e2 |
2349 | */ |
32874aea |
2350 | |
887035a5 |
2351 | switch (term->esc_args[0]) { |
32874aea |
2352 | case 61: |
887035a5 |
2353 | term->compatibility_level &= ~TM_VTXXX; |
2354 | term->compatibility_level |= TM_VT102; |
374330e2 |
2355 | break; |
32874aea |
2356 | case 62: |
887035a5 |
2357 | term->compatibility_level &= ~TM_VTXXX; |
2358 | term->compatibility_level |= TM_VT220; |
32874aea |
2359 | break; |
2360 | |
2361 | default: |
887035a5 |
2362 | if (term->esc_args[0] > 60 && |
2363 | term->esc_args[0] < 70) |
2364 | term->compatibility_level |= TM_VTXXX; |
32874aea |
2365 | break; |
2366 | |
2367 | case 40: |
887035a5 |
2368 | term->compatibility_level &= TM_VTXXX; |
374330e2 |
2369 | break; |
32874aea |
2370 | case 41: |
887035a5 |
2371 | term->compatibility_level = TM_PUTTY; |
374330e2 |
2372 | break; |
32874aea |
2373 | case 42: |
887035a5 |
2374 | term->compatibility_level = TM_SCOANSI; |
374330e2 |
2375 | break; |
32874aea |
2376 | |
2377 | case ARG_DEFAULT: |
887035a5 |
2378 | term->compatibility_level = TM_PUTTY; |
32874aea |
2379 | break; |
2380 | case 50: |
2381 | break; |
2382 | } |
2383 | |
2384 | /* Change the response to CSI c */ |
887035a5 |
2385 | if (term->esc_args[0] == 50) { |
32874aea |
2386 | int i; |
2387 | char lbuf[64]; |
887035a5 |
2388 | strcpy(term->id_string, "\033[?"); |
2389 | for (i = 1; i < term->esc_nargs; i++) { |
32874aea |
2390 | if (i != 1) |
887035a5 |
2391 | strcat(term->id_string, ";"); |
2392 | sprintf(lbuf, "%d", term->esc_args[i]); |
2393 | strcat(term->id_string, lbuf); |
32874aea |
2394 | } |
887035a5 |
2395 | strcat(term->id_string, "c"); |
32874aea |
2396 | } |
2397 | #if 0 |
2398 | /* Is this a good idea ? |
2399 | * Well we should do a soft reset at this point ... |
2400 | */ |
2401 | if (!has_compat(VT420) && has_compat(VT100)) { |
0d2086c5 |
2402 | if (!cfg.no_remote_resize) { |
887035a5 |
2403 | if (term->reset_132) |
0d2086c5 |
2404 | request_resize(132, 24); |
2405 | else |
2406 | request_resize(80, 24); |
2407 | } |
374330e2 |
2408 | } |
32874aea |
2409 | #endif |
2410 | break; |
374330e2 |
2411 | } |
374330e2 |
2412 | break; |
32874aea |
2413 | case SEEN_OSC: |
887035a5 |
2414 | term->osc_w = FALSE; |
32874aea |
2415 | switch (c) { |
2416 | case 'P': /* Linux palette sequence */ |
887035a5 |
2417 | term->termstate = SEEN_OSC_P; |
2418 | term->osc_strlen = 0; |
32874aea |
2419 | break; |
2420 | case 'R': /* Linux palette reset */ |
2421 | palette_reset(); |
887035a5 |
2422 | term_invalidate(term); |
2423 | term->termstate = TOPLEVEL; |
32874aea |
2424 | break; |
2425 | case 'W': /* word-set */ |
887035a5 |
2426 | term->termstate = SEEN_OSC_W; |
2427 | term->osc_w = TRUE; |
32874aea |
2428 | break; |
2429 | case '0': |
2430 | case '1': |
2431 | case '2': |
2432 | case '3': |
2433 | case '4': |
2434 | case '5': |
2435 | case '6': |
2436 | case '7': |
2437 | case '8': |
2438 | case '9': |
887035a5 |
2439 | term->esc_args[0] = 10 * term->esc_args[0] + c - '0'; |
32874aea |
2440 | break; |
2441 | case 'L': |
2442 | /* |
2443 | * Grotty hack to support xterm and DECterm title |
2444 | * sequences concurrently. |
2445 | */ |
887035a5 |
2446 | if (term->esc_args[0] == 2) { |
2447 | term->esc_args[0] = 1; |
32874aea |
2448 | break; |
2449 | } |
2450 | /* else fall through */ |
2451 | default: |
887035a5 |
2452 | term->termstate = OSC_STRING; |
2453 | term->osc_strlen = 0; |
e14a5a13 |
2454 | } |
2455 | break; |
32874aea |
2456 | case OSC_STRING: |
2457 | /* |
2458 | * This OSC stuff is EVIL. It takes just one character to get into |
2459 | * sysline mode and it's not initially obvious how to get out. |
2460 | * So I've added CR and LF as string aborts. |
2461 | * This shouldn't effect compatibility as I believe embedded |
2462 | * control characters are supposed to be interpreted (maybe?) |
2463 | * and they don't display anything useful anyway. |
2464 | * |
2465 | * -- RDB |
e14a5a13 |
2466 | */ |
32874aea |
2467 | if (c == '\n' || c == '\r') { |
887035a5 |
2468 | term->termstate = TOPLEVEL; |
32874aea |
2469 | } else if (c == 0234 || c == '\007') { |
2470 | /* |
2471 | * These characters terminate the string; ST and BEL |
2472 | * terminate the sequence and trigger instant |
2473 | * processing of it, whereas ESC goes back to SEEN_ESC |
2474 | * mode unless it is followed by \, in which case it is |
2475 | * synonymous with ST in the first place. |
2476 | */ |
887035a5 |
2477 | do_osc(term); |
2478 | term->termstate = TOPLEVEL; |
32874aea |
2479 | } else if (c == '\033') |
887035a5 |
2480 | term->termstate = OSC_MAYBE_ST; |
2481 | else if (term->osc_strlen < OSC_STR_MAX) |
2482 | term->osc_string[term->osc_strlen++] = c; |
374330e2 |
2483 | break; |
32874aea |
2484 | case SEEN_OSC_P: |
374330e2 |
2485 | { |
887035a5 |
2486 | int max = (term->osc_strlen == 0 ? 21 : 16); |
32874aea |
2487 | int val; |
2488 | if (c >= '0' && c <= '9') |
2489 | val = c - '0'; |
2490 | else if (c >= 'A' && c <= 'A' + max - 10) |
2491 | val = c - 'A' + 10; |
2492 | else if (c >= 'a' && c <= 'a' + max - 10) |
2493 | val = c - 'a' + 10; |
2d466ffd |
2494 | else { |
887035a5 |
2495 | term->termstate = TOPLEVEL; |
2d466ffd |
2496 | break; |
2497 | } |
887035a5 |
2498 | term->osc_string[term->osc_strlen++] = val; |
2499 | if (term->osc_strlen >= 7) { |
2500 | palette_set(term->osc_string[0], |
2501 | term->osc_string[1] * 16 + term->osc_string[2], |
2502 | term->osc_string[3] * 16 + term->osc_string[4], |
2503 | term->osc_string[5] * 16 + term->osc_string[6]); |
2504 | term_invalidate(term); |
2505 | term->termstate = TOPLEVEL; |
374330e2 |
2506 | } |
2507 | } |
2508 | break; |
32874aea |
2509 | case SEEN_OSC_W: |
2510 | switch (c) { |
2511 | case '0': |
2512 | case '1': |
2513 | case '2': |
2514 | case '3': |
2515 | case '4': |
2516 | case '5': |
2517 | case '6': |
2518 | case '7': |
2519 | case '8': |
2520 | case '9': |
887035a5 |
2521 | term->esc_args[0] = 10 * term->esc_args[0] + c - '0'; |
32874aea |
2522 | break; |
2523 | default: |
887035a5 |
2524 | term->termstate = OSC_STRING; |
2525 | term->osc_strlen = 0; |
ec55b220 |
2526 | } |
32874aea |
2527 | break; |
32874aea |
2528 | case VT52_ESC: |
887035a5 |
2529 | term->termstate = TOPLEVEL; |
2530 | term->seen_disp_event = TRUE; |
c9def1b8 |
2531 | switch (c) { |
32874aea |
2532 | case 'A': |
887035a5 |
2533 | move(term, term->curs.x, term->curs.y - 1, 1); |
32874aea |
2534 | break; |
2535 | case 'B': |
887035a5 |
2536 | move(term, term->curs.x, term->curs.y + 1, 1); |
32874aea |
2537 | break; |
2538 | case 'C': |
887035a5 |
2539 | move(term, term->curs.x + 1, term->curs.y, 1); |
32874aea |
2540 | break; |
2541 | case 'D': |
887035a5 |
2542 | move(term, term->curs.x - 1, term->curs.y, 1); |
32874aea |
2543 | break; |
4eeb7d09 |
2544 | /* |
2545 | * From the VT100 Manual |
2546 | * NOTE: The special graphics characters in the VT100 |
2547 | * are different from those in the VT52 |
2548 | * |
2549 | * From VT102 manual: |
2550 | * 137 _ Blank - Same |
2551 | * 140 ` Reserved - Humm. |
2552 | * 141 a Solid rectangle - Similar |
2553 | * 142 b 1/ - Top half of fraction for the |
2554 | * 143 c 3/ - subscript numbers below. |
2555 | * 144 d 5/ |
2556 | * 145 e 7/ |
2557 | * 146 f Degrees - Same |
2558 | * 147 g Plus or minus - Same |
2559 | * 150 h Right arrow |
2560 | * 151 i Ellipsis (dots) |
2561 | * 152 j Divide by |
2562 | * 153 k Down arrow |
2563 | * 154 l Bar at scan 0 |
2564 | * 155 m Bar at scan 1 |
2565 | * 156 n Bar at scan 2 |
2566 | * 157 o Bar at scan 3 - Similar |
2567 | * 160 p Bar at scan 4 - Similar |
2568 | * 161 q Bar at scan 5 - Similar |
2569 | * 162 r Bar at scan 6 - Same |
2570 | * 163 s Bar at scan 7 - Similar |
2571 | * 164 t Subscript 0 |
2572 | * 165 u Subscript 1 |
2573 | * 166 v Subscript 2 |
2574 | * 167 w Subscript 3 |
2575 | * 170 x Subscript 4 |
2576 | * 171 y Subscript 5 |
2577 | * 172 z Subscript 6 |
2578 | * 173 { Subscript 7 |
2579 | * 174 | Subscript 8 |
2580 | * 175 } Subscript 9 |
2581 | * 176 ~ Paragraph |
2582 | * |
2583 | */ |
32874aea |
2584 | case 'F': |
887035a5 |
2585 | term->cset_attr[term->cset = 0] = ATTR_LINEDRW; |
32874aea |
2586 | break; |
2587 | case 'G': |
887035a5 |
2588 | term->cset_attr[term->cset = 0] = ATTR_ASCII; |
32874aea |
2589 | break; |
2590 | case 'H': |
887035a5 |
2591 | move(term, 0, 0, 0); |
32874aea |
2592 | break; |
2593 | case 'I': |
887035a5 |
2594 | if (term->curs.y == 0) |
2595 | scroll(term, 0, term->rows - 1, -1, TRUE); |
2596 | else if (term->curs.y > 0) |
2597 | term->curs.y--; |
32874aea |
2598 | fix_cpos; |
887035a5 |
2599 | term->wrapnext = FALSE; |
32874aea |
2600 | break; |
2601 | case 'J': |
887035a5 |
2602 | erase_lots(term, FALSE, FALSE, TRUE); |
2603 | term->disptop = 0; |
c9def1b8 |
2604 | break; |
32874aea |
2605 | case 'K': |
887035a5 |
2606 | erase_lots(term, TRUE, FALSE, TRUE); |
32874aea |
2607 | break; |
4eeb7d09 |
2608 | #if 0 |
32874aea |
2609 | case 'V': |
2610 | /* XXX Print cursor line */ |
2611 | break; |
2612 | case 'W': |
2613 | /* XXX Start controller mode */ |
2614 | break; |
2615 | case 'X': |
2616 | /* XXX Stop controller mode */ |
2617 | break; |
4eeb7d09 |
2618 | #endif |
32874aea |
2619 | case 'Y': |
887035a5 |
2620 | term->termstate = VT52_Y1; |
32874aea |
2621 | break; |
2622 | case 'Z': |
760e88b2 |
2623 | ldisc_send("\033/Z", 3, 0); |
32874aea |
2624 | break; |
2625 | case '=': |
887035a5 |
2626 | term->app_keypad_keys = TRUE; |
32874aea |
2627 | break; |
2628 | case '>': |
887035a5 |
2629 | term->app_keypad_keys = FALSE; |
32874aea |
2630 | break; |
2631 | case '<': |
2632 | /* XXX This should switch to VT100 mode not current or default |
2633 | * VT mode. But this will only have effect in a VT220+ |
2634 | * emulation. |
2635 | */ |
887035a5 |
2636 | term->vt52_mode = FALSE; |
2637 | term->blink_is_real = cfg.blinktext; |
32874aea |
2638 | break; |
4eeb7d09 |
2639 | #if 0 |
32874aea |
2640 | case '^': |
2641 | /* XXX Enter auto print mode */ |
2642 | break; |
2643 | case '_': |
2644 | /* XXX Exit auto print mode */ |
2645 | break; |
2646 | case ']': |
2647 | /* XXX Print screen */ |
2648 | break; |
4eeb7d09 |
2649 | #endif |
2650 | |
2651 | #ifdef VT52_PLUS |
2652 | case 'E': |
2653 | /* compatibility(ATARI) */ |
887035a5 |
2654 | move(term, 0, 0, 0); |
2655 | erase_lots(term, FALSE, FALSE, TRUE); |
2656 | term->disptop = 0; |
4eeb7d09 |
2657 | break; |
2658 | case 'L': |
2659 | /* compatibility(ATARI) */ |
887035a5 |
2660 | if (term->curs.y <= term->marg_b) |
2661 | scroll(term, term->curs.y, term->marg_b, -1, FALSE); |
4eeb7d09 |
2662 | break; |
2663 | case 'M': |
2664 | /* compatibility(ATARI) */ |
887035a5 |
2665 | if (term->curs.y <= term->marg_b) |
2666 | scroll(term, term->curs.y, term->marg_b, 1, TRUE); |
4eeb7d09 |
2667 | break; |
2668 | case 'b': |
2669 | /* compatibility(ATARI) */ |
887035a5 |
2670 | term->termstate = VT52_FG; |
4eeb7d09 |
2671 | break; |
2672 | case 'c': |
2673 | /* compatibility(ATARI) */ |
887035a5 |
2674 | term->termstate = VT52_BG; |
4eeb7d09 |
2675 | break; |
2676 | case 'd': |
2677 | /* compatibility(ATARI) */ |
887035a5 |
2678 | erase_lots(term, FALSE, TRUE, FALSE); |
2679 | term->disptop = 0; |
4eeb7d09 |
2680 | break; |
2681 | case 'e': |
2682 | /* compatibility(ATARI) */ |
887035a5 |
2683 | term->cursor_on = TRUE; |
4eeb7d09 |
2684 | break; |
2685 | case 'f': |
2686 | /* compatibility(ATARI) */ |
887035a5 |
2687 | term->cursor_on = FALSE; |
4eeb7d09 |
2688 | break; |
2689 | /* case 'j': Save cursor position - broken on ST */ |
2690 | /* case 'k': Restore cursor position */ |
2691 | case 'l': |
2692 | /* compatibility(ATARI) */ |
887035a5 |
2693 | erase_lots(term, TRUE, TRUE, TRUE); |
2694 | term->curs.x = 0; |
2695 | term->wrapnext = FALSE; |
4eeb7d09 |
2696 | fix_cpos; |
2697 | break; |
2698 | case 'o': |
2699 | /* compatibility(ATARI) */ |
887035a5 |
2700 | erase_lots(term, TRUE, TRUE, FALSE); |
4eeb7d09 |
2701 | break; |
2702 | case 'p': |
2703 | /* compatibility(ATARI) */ |
887035a5 |
2704 | term->curr_attr |= ATTR_REVERSE; |
4eeb7d09 |
2705 | break; |
2706 | case 'q': |
2707 | /* compatibility(ATARI) */ |
887035a5 |
2708 | term->curr_attr &= ~ATTR_REVERSE; |
4eeb7d09 |
2709 | break; |
2710 | case 'v': /* wrap Autowrap on - Wyse style */ |
2711 | /* compatibility(ATARI) */ |
887035a5 |
2712 | term->wrap = 1; |
4eeb7d09 |
2713 | break; |
2714 | case 'w': /* Autowrap off */ |
2715 | /* compatibility(ATARI) */ |
887035a5 |
2716 | term->wrap = 0; |
4eeb7d09 |
2717 | break; |
2718 | |
2719 | case 'R': |
2720 | /* compatibility(OTHER) */ |
887035a5 |
2721 | term->vt52_bold = FALSE; |
2722 | term->curr_attr = ATTR_DEFAULT; |
2723 | if (term->use_bce) |
2724 | term->erase_char = (' ' | ATTR_ASCII | |
2725 | (term->curr_attr & |
2726 | (ATTR_FGMASK | ATTR_BGMASK))); |
4eeb7d09 |
2727 | break; |
2728 | case 'S': |
2729 | /* compatibility(VI50) */ |
887035a5 |
2730 | term->curr_attr |= ATTR_UNDER; |
4eeb7d09 |
2731 | break; |
2732 | case 'W': |
2733 | /* compatibility(VI50) */ |
887035a5 |
2734 | term->curr_attr &= ~ATTR_UNDER; |
4eeb7d09 |
2735 | break; |
2736 | case 'U': |
2737 | /* compatibility(VI50) */ |
887035a5 |
2738 | term->vt52_bold = TRUE; |
2739 | term->curr_attr |= ATTR_BOLD; |
4eeb7d09 |
2740 | break; |
2741 | case 'T': |
2742 | /* compatibility(VI50) */ |
887035a5 |
2743 | term->vt52_bold = FALSE; |
2744 | term->curr_attr &= ~ATTR_BOLD; |
4eeb7d09 |
2745 | break; |
2746 | #endif |
c9def1b8 |
2747 | } |
e14a5a13 |
2748 | break; |
32874aea |
2749 | case VT52_Y1: |
887035a5 |
2750 | term->termstate = VT52_Y2; |
2751 | move(term, term->curs.x, c - ' ', 0); |
e14a5a13 |
2752 | break; |
32874aea |
2753 | case VT52_Y2: |
887035a5 |
2754 | term->termstate = TOPLEVEL; |
2755 | move(term, c - ' ', term->curs.y, 0); |
e14a5a13 |
2756 | break; |
4eeb7d09 |
2757 | |
2758 | #ifdef VT52_PLUS |
2759 | case VT52_FG: |
887035a5 |
2760 | term->termstate = TOPLEVEL; |
2761 | term->curr_attr &= ~ATTR_FGMASK; |
2762 | term->curr_attr &= ~ATTR_BOLD; |
2763 | term->curr_attr |= (c & 0x7) << ATTR_FGSHIFT; |
2764 | if ((c & 0x8) || term->vt52_bold) |
2765 | term->curr_attr |= ATTR_BOLD; |
2766 | |
2767 | if (term->use_bce) |
2768 | term->erase_char = (' ' | ATTR_ASCII | |
2769 | (term->curr_attr & |
2770 | (ATTR_FGMASK | ATTR_BGMASK))); |
4eeb7d09 |
2771 | break; |
2772 | case VT52_BG: |
887035a5 |
2773 | term->termstate = TOPLEVEL; |
2774 | term->curr_attr &= ~ATTR_BGMASK; |
2775 | term->curr_attr &= ~ATTR_BLINK; |
2776 | term->curr_attr |= (c & 0x7) << ATTR_BGSHIFT; |
4eeb7d09 |
2777 | |
2778 | /* Note: bold background */ |
2779 | if (c & 0x8) |
887035a5 |
2780 | term->curr_attr |= ATTR_BLINK; |
4eeb7d09 |
2781 | |
887035a5 |
2782 | if (term->use_bce) |
2783 | term->erase_char = (' ' | ATTR_ASCII | |
2784 | (term->curr_attr & |
2785 | (ATTR_FGMASK | ATTR_BGMASK))); |
4eeb7d09 |
2786 | break; |
2787 | #endif |
2d466ffd |
2788 | default: break; /* placate gcc warning about enum use */ |
e14a5a13 |
2789 | } |
887035a5 |
2790 | if (term->selstate != NO_SELECTION) { |
2791 | pos cursplus = term->curs; |
4facdf84 |
2792 | incpos(cursplus); |
887035a5 |
2793 | check_selection(term, term->curs, cursplus); |
4facdf84 |
2794 | } |
374330e2 |
2795 | } |
b44b307a |
2796 | |
887035a5 |
2797 | term_print_flush(term); |
374330e2 |
2798 | } |
2799 | |
4eeb7d09 |
2800 | #if 0 |
374330e2 |
2801 | /* |
2802 | * Compare two lines to determine whether they are sufficiently |
2803 | * alike to scroll-optimise one to the other. Return the degree of |
2804 | * similarity. |
2805 | */ |
887035a5 |
2806 | static int linecmp(Terminal *term, unsigned long *a, unsigned long *b) |
32874aea |
2807 | { |
374330e2 |
2808 | int i, n; |
2809 | |
887035a5 |
2810 | for (i = n = 0; i < term->cols; i++) |
374330e2 |
2811 | n += (*a++ == *b++); |
2812 | return n; |
2813 | } |
4eeb7d09 |
2814 | #endif |
374330e2 |
2815 | |
2816 | /* |
2817 | * Given a context, update the window. Out of paranoia, we don't |
2818 | * allow WM_PAINT responses to do scrolling optimisations. |
2819 | */ |
887035a5 |
2820 | static void do_paint(Terminal *term, Context ctx, int may_optimise) |
32874aea |
2821 | { |
4eeb7d09 |
2822 | int i, j, our_curs_y; |
2823 | unsigned long rv, cursor; |
4facdf84 |
2824 | pos scrpos; |
374330e2 |
2825 | char ch[1024]; |
4eeb7d09 |
2826 | long cursor_background = ERASE_CHAR; |
286c6b86 |
2827 | unsigned long ticks; |
374330e2 |
2828 | |
156686ef |
2829 | /* |
2830 | * Check the visual bell state. |
2831 | */ |
887035a5 |
2832 | if (term->in_vbell) { |
f7f27309 |
2833 | ticks = GETTICKCOUNT(); |
887035a5 |
2834 | if (ticks - term->vbell_startpoint >= VBELL_TIMEOUT) |
2835 | term->in_vbell = FALSE; |
286c6b86 |
2836 | } |
156686ef |
2837 | |
887035a5 |
2838 | rv = (!term->rvideo ^ !term->in_vbell ? ATTR_REVERSE : 0); |
4eeb7d09 |
2839 | |
156686ef |
2840 | /* Depends on: |
2841 | * screen array, disptop, scrtop, |
2842 | * selection, rv, |
2843 | * cfg.blinkpc, blink_is_real, tblinker, |
4eeb7d09 |
2844 | * curs.y, curs.x, blinker, cfg.blink_cur, cursor_on, has_focus, wrapnext |
156686ef |
2845 | */ |
4eeb7d09 |
2846 | |
2847 | /* Has the cursor position or type changed ? */ |
887035a5 |
2848 | if (term->cursor_on) { |
2849 | if (term->has_focus) { |
2850 | if (term->blinker || !cfg.blink_cur) |
4eeb7d09 |
2851 | cursor = TATTR_ACTCURS; |
32874aea |
2852 | else |
2853 | cursor = 0; |
2854 | } else |
4eeb7d09 |
2855 | cursor = TATTR_PASCURS; |
887035a5 |
2856 | if (term->wrapnext) |
4eeb7d09 |
2857 | cursor |= TATTR_RIGHTCURS; |
32874aea |
2858 | } else |
156686ef |
2859 | cursor = 0; |
887035a5 |
2860 | our_curs_y = term->curs.y - term->disptop; |
2861 | |
2862 | if (term->dispcurs && (term->curstype != cursor || |
2863 | term->dispcurs != |
2864 | term->disptext + our_curs_y * (term->cols + 1) + |
2865 | term->curs.x)) { |
2866 | if (term->dispcurs > term->disptext && |
2867 | (*term->dispcurs & (CHAR_MASK | CSET_MASK)) == UCSWIDE) |
2868 | term->dispcurs[-1] |= ATTR_INVALID; |
2869 | if ( (term->dispcurs[1] & (CHAR_MASK | CSET_MASK)) == UCSWIDE) |
2870 | term->dispcurs[1] |= ATTR_INVALID; |
2871 | *term->dispcurs |= ATTR_INVALID; |
2872 | term->curstype = 0; |
4eeb7d09 |
2873 | } |
887035a5 |
2874 | term->dispcurs = NULL; |
4eeb7d09 |
2875 | |
2876 | /* The normal screen data */ |
887035a5 |
2877 | for (i = 0; i < term->rows; i++) { |
4facdf84 |
2878 | unsigned long *ldata; |
2879 | int lattr; |
6908fed7 |
2880 | int idx, dirty_line, dirty_run, selected; |
4eeb7d09 |
2881 | unsigned long attr = 0; |
2882 | int updated_line = 0; |
2883 | int start = 0; |
2884 | int ccount = 0; |
2885 | int last_run_dirty = 0; |
2886 | |
887035a5 |
2887 | scrpos.y = i + term->disptop; |
4facdf84 |
2888 | ldata = lineptr(scrpos.y); |
887035a5 |
2889 | lattr = (ldata[term->cols] & LATTR_MODE); |
4eeb7d09 |
2890 | |
887035a5 |
2891 | idx = i * (term->cols + 1); |
2892 | dirty_run = dirty_line = (ldata[term->cols] != |
2893 | term->disptext[idx + term->cols]); |
2894 | term->disptext[idx + term->cols] = ldata[term->cols]; |
4eeb7d09 |
2895 | |
887035a5 |
2896 | for (j = 0; j < term->cols; j++, idx++) { |
4eeb7d09 |
2897 | unsigned long tattr, tchar; |
2898 | unsigned long *d = ldata + j; |
2899 | int break_run; |
4facdf84 |
2900 | scrpos.x = j; |
32874aea |
2901 | |
4eeb7d09 |
2902 | tchar = (*d & (CHAR_MASK | CSET_MASK)); |
2903 | tattr = (*d & (ATTR_MASK ^ CSET_MASK)); |
2904 | switch (tchar & CSET_MASK) { |
2905 | case ATTR_ASCII: |
2906 | tchar = unitab_line[tchar & 0xFF]; |
2907 | break; |
2908 | case ATTR_LINEDRW: |
2909 | tchar = unitab_xterm[tchar & 0xFF]; |
2910 | break; |
d3cb5465 |
2911 | case ATTR_SCOACS: |
2912 | tchar = unitab_scoacs[tchar&0xFF]; |
2913 | break; |
4eeb7d09 |
2914 | } |
2915 | tattr |= (tchar & CSET_MASK); |
2916 | tchar &= CHAR_MASK; |
5a73255e |
2917 | if ((d[1] & (CHAR_MASK | CSET_MASK)) == UCSWIDE) |
2918 | tattr |= ATTR_WIDE; |
4eeb7d09 |
2919 | |
2920 | /* Video reversing things */ |
f278d6f8 |
2921 | if (term->selstate == DRAGGING || term->selstate == SELECTED) { |
2922 | if (term->seltype == LEXICOGRAPHIC) |
2923 | selected = (posle(term->selstart, scrpos) && |
2924 | poslt(scrpos, term->selend)); |
2925 | else |
2926 | selected = (posPle(term->selstart, scrpos) && |
2927 | posPlt(scrpos, term->selend)); |
2928 | } else |
2929 | selected = FALSE; |
4eeb7d09 |
2930 | tattr = (tattr ^ rv |
6908fed7 |
2931 | ^ (selected ? ATTR_REVERSE : 0)); |
4eeb7d09 |
2932 | |
2933 | /* 'Real' blinking ? */ |
887035a5 |
2934 | if (term->blink_is_real && (tattr & ATTR_BLINK)) { |
2935 | if (term->has_focus && term->tblinker) { |
4eeb7d09 |
2936 | tchar = ' '; |
2937 | tattr &= ~CSET_MASK; |
2938 | tattr |= ATTR_ACP; |
c9def1b8 |
2939 | } |
4eeb7d09 |
2940 | tattr &= ~ATTR_BLINK; |
c9def1b8 |
2941 | } |
374330e2 |
2942 | |
5a73255e |
2943 | /* |
2944 | * Check the font we'll _probably_ be using to see if |
2945 | * the character is wide when we don't want it to be. |
2946 | */ |
887035a5 |
2947 | if ((tchar | tattr) != (term->disptext[idx]& ~ATTR_NARROW)) { |
5a73255e |
2948 | if ((tattr & ATTR_WIDE) == 0 && |
2949 | CharWidth(ctx, (tchar | tattr) & 0xFFFF) == 2) |
2950 | tattr |= ATTR_NARROW; |
887035a5 |
2951 | } else if (term->disptext[idx]&ATTR_NARROW) |
5a73255e |
2952 | tattr |= ATTR_NARROW; |
2953 | |
4eeb7d09 |
2954 | /* Cursor here ? Save the 'background' */ |
887035a5 |
2955 | if (i == our_curs_y && j == term->curs.x) { |
4eeb7d09 |
2956 | cursor_background = tattr | tchar; |
887035a5 |
2957 | term->dispcurs = term->disptext + idx; |
4eeb7d09 |
2958 | } |
374330e2 |
2959 | |
887035a5 |
2960 | if ((term->disptext[idx] ^ tattr) & ATTR_WIDE) |
4eeb7d09 |
2961 | dirty_line = TRUE; |
2962 | |
2963 | break_run = (tattr != attr || j - start >= sizeof(ch)); |
2964 | |
2965 | /* Special hack for VT100 Linedraw glyphs */ |
2966 | if ((attr & CSET_MASK) == 0x2300 && tchar >= 0xBA |
2967 | && tchar <= 0xBD) break_run = TRUE; |
2968 | |
2969 | if (!dbcs_screenfont && !dirty_line) { |
887035a5 |
2970 | if ((tchar | tattr) == term->disptext[idx]) |
4eeb7d09 |
2971 | break_run = TRUE; |
2972 | else if (!dirty_run && ccount == 1) |
2973 | break_run = TRUE; |
374330e2 |
2974 | } |
4eeb7d09 |
2975 | |
2976 | if (break_run) { |
2977 | if ((dirty_run || last_run_dirty) && ccount > 0) { |
2978 | do_text(ctx, start, i, ch, ccount, attr, lattr); |
2979 | updated_line = 1; |
2980 | } |
2981 | start = j; |
2982 | ccount = 0; |
2983 | attr = tattr; |
2984 | if (dbcs_screenfont) |
2985 | last_run_dirty = dirty_run; |
2986 | dirty_run = dirty_line; |
2987 | } |
2988 | |
887035a5 |
2989 | if ((tchar | tattr) != term->disptext[idx]) |
4eeb7d09 |
2990 | dirty_run = TRUE; |
2991 | ch[ccount++] = (char) tchar; |
887035a5 |
2992 | term->disptext[idx] = tchar | tattr; |
4eeb7d09 |
2993 | |
2994 | /* If it's a wide char step along to the next one. */ |
2995 | if (tattr & ATTR_WIDE) { |
887035a5 |
2996 | if (++j < term->cols) { |
4eeb7d09 |
2997 | idx++; |
2998 | d++; |
2999 | /* Cursor is here ? Ouch! */ |
887035a5 |
3000 | if (i == our_curs_y && j == term->curs.x) { |
4eeb7d09 |
3001 | cursor_background = *d; |
887035a5 |
3002 | term->dispcurs = term->disptext + idx; |
4eeb7d09 |
3003 | } |
887035a5 |
3004 | if (term->disptext[idx] != *d) |
4eeb7d09 |
3005 | dirty_run = TRUE; |
887035a5 |
3006 | term->disptext[idx] = *d; |
374330e2 |
3007 | } |
374330e2 |
3008 | } |
4eeb7d09 |
3009 | } |
3010 | if (dirty_run && ccount > 0) { |
3011 | do_text(ctx, start, i, ch, ccount, attr, lattr); |
3012 | updated_line = 1; |
3013 | } |
3014 | |
3015 | /* Cursor on this line ? (and changed) */ |
887035a5 |
3016 | if (i == our_curs_y && (term->curstype != cursor || updated_line)) { |
4eeb7d09 |
3017 | ch[0] = (char) (cursor_background & CHAR_MASK); |
3018 | attr = (cursor_background & ATTR_MASK) | cursor; |
887035a5 |
3019 | do_cursor(ctx, term->curs.x, i, ch, 1, attr, lattr); |
3020 | term->curstype = cursor; |
374330e2 |
3021 | } |
3022 | } |
3023 | } |
3024 | |
3025 | /* |
e14a5a13 |
3026 | * Flick the switch that says if blinking things should be shown or hidden. |
3027 | */ |
3028 | |
887035a5 |
3029 | void term_blink(Terminal *term, int flg) |
32874aea |
3030 | { |
e14a5a13 |
3031 | long now, blink_diff; |
3032 | |
f7f27309 |
3033 | now = GETTICKCOUNT(); |
887035a5 |
3034 | blink_diff = now - term->last_tblink; |
c9def1b8 |
3035 | |
1d3989ed |
3036 | /* Make sure the text blinks no more than 2Hz; we'll use 0.45 s period. */ |
3037 | if (blink_diff < 0 || blink_diff > (TICKSPERSEC * 9 / 20)) { |
887035a5 |
3038 | term->last_tblink = now; |
3039 | term->tblinker = !term->tblinker; |
c9def1b8 |
3040 | } |
3041 | |
e14a5a13 |
3042 | if (flg) { |
887035a5 |
3043 | term->blinker = 1; |
3044 | term->last_blink = now; |
e14a5a13 |
3045 | return; |
32874aea |
3046 | } |
e14a5a13 |
3047 | |
887035a5 |
3048 | blink_diff = now - term->last_blink; |
e14a5a13 |
3049 | |
f7f27309 |
3050 | /* Make sure the cursor blinks no faster than system blink rate */ |
3051 | if (blink_diff >= 0 && blink_diff < (long) CURSORBLINK) |
32874aea |
3052 | return; |
3053 | |
887035a5 |
3054 | term->last_blink = now; |
3055 | term->blinker = !term->blinker; |
e14a5a13 |
3056 | } |
3057 | |
3058 | /* |
374330e2 |
3059 | * Invalidate the whole screen so it will be repainted in full. |
3060 | */ |
887035a5 |
3061 | void term_invalidate(Terminal *term) |
32874aea |
3062 | { |
374330e2 |
3063 | int i; |
3064 | |
887035a5 |
3065 | for (i = 0; i < term->rows * (term->cols + 1); i++) |
3066 | term->disptext[i] = ATTR_INVALID; |
374330e2 |
3067 | } |
3068 | |
3069 | /* |
3070 | * Paint the window in response to a WM_PAINT message. |
3071 | */ |
887035a5 |
3072 | void term_paint(Terminal *term, Context ctx, |
3073 | int left, int top, int right, int bottom) |
32874aea |
3074 | { |
5a73255e |
3075 | int i, j; |
3076 | if (left < 0) left = 0; |
3077 | if (top < 0) top = 0; |
887035a5 |
3078 | if (right >= term->cols) right = term->cols-1; |
3079 | if (bottom >= term->rows) bottom = term->rows-1; |
3080 | |
3081 | for (i = top; i <= bottom && i < term->rows; i++) { |
3082 | if ((term->disptext[i * (term->cols + 1) + term->cols] & |
3083 | LATTR_MODE) == LATTR_NORM) |
3084 | for (j = left; j <= right && j < term->cols; j++) |
3085 | term->disptext[i * (term->cols + 1) + j] = ATTR_INVALID; |
c9def1b8 |
3086 | else |
887035a5 |
3087 | for (j = left / 2; j <= right / 2 + 1 && j < term->cols; j++) |
3088 | term->disptext[i * (term->cols + 1) + j] = ATTR_INVALID; |
c9def1b8 |
3089 | } |
374330e2 |
3090 | |
e14a5a13 |
3091 | /* This should happen soon enough, also for some reason it sometimes |
3092 | * fails to actually do anything when re-sizing ... painting the wrong |
3093 | * window perhaps ? |
32874aea |
3094 | */ |
5a73255e |
3095 | if (alt_pressed) |
887035a5 |
3096 | do_paint (term, ctx, FALSE); |
374330e2 |
3097 | } |
3098 | |
3099 | /* |
3100 | * Attempt to scroll the scrollback. The second parameter gives the |
3101 | * position we want to scroll to; the first is +1 to denote that |
3102 | * this position is relative to the beginning of the scrollback, -1 |
3103 | * to denote it is relative to the end, and 0 to denote that it is |
3104 | * relative to the current position. |
3105 | */ |
887035a5 |
3106 | void term_scroll(Terminal *term, int rel, int where) |
32874aea |
3107 | { |
887035a5 |
3108 | int sbtop = -count234(term->scrollback); |
3109 | |
3110 | term->disptop = (rel < 0 ? 0 : rel > 0 ? sbtop : term->disptop) + where; |
3111 | if (term->disptop < sbtop) |
3112 | term->disptop = sbtop; |
3113 | if (term->disptop > 0) |
3114 | term->disptop = 0; |
3115 | update_sbar(term); |
3116 | term_update(term); |
374330e2 |
3117 | } |
3118 | |
887035a5 |
3119 | static void clipme(Terminal *term, pos top, pos bottom, int rect) |
32874aea |
3120 | { |
4eeb7d09 |
3121 | wchar_t *workbuf; |
3122 | wchar_t *wbptr; /* where next char goes within workbuf */ |
6908fed7 |
3123 | int old_top_x; |
32874aea |
3124 | int wblen = 0; /* workbuf len */ |
3125 | int buflen; /* amount of memory allocated to workbuf */ |
bc1235d4 |
3126 | |
4eeb7d09 |
3127 | buflen = 5120; /* Default size */ |
3128 | workbuf = smalloc(buflen * sizeof(wchar_t)); |
3129 | wbptr = workbuf; /* start filling here */ |
6908fed7 |
3130 | old_top_x = top.x; /* needed for rect==1 */ |
bc1235d4 |
3131 | |
4facdf84 |
3132 | while (poslt(top, bottom)) { |
bc1235d4 |
3133 | int nl = FALSE; |
4facdf84 |
3134 | unsigned long *ldata = lineptr(top.y); |
260f3dec |
3135 | pos nlpos; |
4facdf84 |
3136 | |
6908fed7 |
3137 | /* |
3138 | * nlpos will point at the maximum position on this line we |
3139 | * should copy up to. So we start it at the end of the |
3140 | * line... |
3141 | */ |
4facdf84 |
3142 | nlpos.y = top.y; |
887035a5 |
3143 | nlpos.x = term->cols; |
bc1235d4 |
3144 | |
6908fed7 |
3145 | /* |
3146 | * ... move it backwards if there's unused space at the end |
3147 | * of the line (and also set `nl' if this is the case, |
3148 | * because in normal selection mode this means we need a |
3149 | * newline at the end)... |
3150 | */ |
887035a5 |
3151 | if (!(ldata[term->cols] & LATTR_WRAPPED)) { |
4eeb7d09 |
3152 | while (((ldata[nlpos.x - 1] & 0xFF) == 0x20 || |
3153 | (DIRECT_CHAR(ldata[nlpos.x - 1]) && |
3154 | (ldata[nlpos.x - 1] & CHAR_MASK) == 0x20)) |
3155 | && poslt(top, nlpos)) |
3156 | decpos(nlpos); |
4facdf84 |
3157 | if (poslt(nlpos, bottom)) |
bc1235d4 |
3158 | nl = TRUE; |
3159 | } |
6908fed7 |
3160 | |
3161 | /* |
3162 | * ... and then clip it to the terminal x coordinate if |
3163 | * we're doing rectangular selection. (In this case we |
3164 | * still did the above, so that copying e.g. the right-hand |
3165 | * column from a table doesn't fill with spaces on the |
3166 | * right.) |
3167 | */ |
3168 | if (rect) { |
3169 | if (nlpos.x > bottom.x) |
3170 | nlpos.x = bottom.x; |
3171 | nl = (top.y < bottom.y); |
3172 | } |
3173 | |
4facdf84 |
3174 | while (poslt(top, bottom) && poslt(top, nlpos)) { |
4eeb7d09 |
3175 | #if 0 |
3176 | char cbuf[16], *p; |
3177 | sprintf(cbuf, "<U+%04x>", (ldata[top.x] & 0xFFFF)); |
3178 | #else |
3179 | wchar_t cbuf[16], *p; |
3180 | int uc = (ldata[top.x] & 0xFFFF); |
3181 | int set, c; |
3182 | |
3183 | if (uc == UCSWIDE) { |
3184 | top.x++; |
3185 | continue; |
3186 | } |
3187 | |
3188 | switch (uc & CSET_MASK) { |
3189 | case ATTR_LINEDRW: |
3190 | if (!cfg.rawcnp) { |
3191 | uc = unitab_xterm[uc & 0xFF]; |
3192 | break; |
32874aea |
3193 | } |
4eeb7d09 |
3194 | case ATTR_ASCII: |
3195 | uc = unitab_line[uc & 0xFF]; |
3196 | break; |
d3cb5465 |
3197 | case ATTR_SCOACS: |
3198 | uc = unitab_scoacs[uc&0xFF]; |
3199 | break; |
d3a22f79 |
3200 | } |
4eeb7d09 |
3201 | switch (uc & CSET_MASK) { |
3202 | case ATTR_ACP: |
3203 | uc = unitab_font[uc & 0xFF]; |
3204 | break; |
3205 | case ATTR_OEMCP: |
3206 | uc = unitab_oemcp[uc & 0xFF]; |
3207 | break; |
3208 | } |
3209 | |
3210 | set = (uc & CSET_MASK); |
3211 | c = (uc & CHAR_MASK); |
3212 | cbuf[0] = uc; |
3213 | cbuf[1] = 0; |
3214 | |
3215 | if (DIRECT_FONT(uc)) { |
3216 | if (c >= ' ' && c != 0x7F) { |
3217 | unsigned char buf[4]; |
3218 | WCHAR wbuf[4]; |
3219 | int rv; |
1709795f |
3220 | if (is_dbcs_leadbyte(font_codepage, (BYTE) c)) { |
4eeb7d09 |
3221 | buf[0] = c; |
3222 | buf[1] = (unsigned char) ldata[top.x + 1]; |
1709795f |
3223 | rv = mb_to_wc(font_codepage, 0, buf, 2, wbuf, 4); |
4eeb7d09 |
3224 | top.x++; |
3225 | } else { |
3226 | buf[0] = c; |
1709795f |
3227 | rv = mb_to_wc(font_codepage, 0, buf, 1, wbuf, 4); |
4eeb7d09 |
3228 | } |
bc1235d4 |
3229 | |
4eeb7d09 |
3230 | if (rv > 0) { |
3231 | memcpy(cbuf, wbuf, rv * sizeof(wchar_t)); |
3232 | cbuf[rv] = 0; |
d3a22f79 |
3233 | } |
d3a22f79 |
3234 | } |
4eeb7d09 |
3235 | } |
3236 | #endif |
3237 | |
3238 | for (p = cbuf; *p; p++) { |
3239 | /* Enough overhead for trailing NL and nul */ |
3240 | if (wblen >= buflen - 16) { |
3241 | workbuf = |
3242 | srealloc(workbuf, |
3243 | sizeof(wchar_t) * (buflen += 100)); |
3244 | wbptr = workbuf + wblen; |
3245 | } |
3246 | wblen++; |
3247 | *wbptr++ = *p; |
bc1235d4 |
3248 | } |
4facdf84 |
3249 | top.x++; |
bc1235d4 |
3250 | } |
3251 | if (nl) { |
3252 | int i; |
4eeb7d09 |
3253 | for (i = 0; i < sel_nl_sz; i++) { |
32874aea |
3254 | wblen++; |
bc1235d4 |
3255 | *wbptr++ = sel_nl[i]; |
3256 | } |
3257 | } |
4facdf84 |
3258 | top.y++; |
6908fed7 |
3259 | top.x = rect ? old_top_x : 0; |
bc1235d4 |
3260 | } |
e6346999 |
3261 | #if SELECTION_NUL_TERMINATED |
4eeb7d09 |
3262 | wblen++; |
3263 | *wbptr++ = 0; |
e6346999 |
3264 | #endif |
32874aea |
3265 | write_clip(workbuf, wblen, FALSE); /* transfer to clipboard */ |
3266 | if (buflen > 0) /* indicates we allocated this buffer */ |
bc1235d4 |
3267 | sfree(workbuf); |
bc1235d4 |
3268 | } |
4eeb7d09 |
3269 | |
887035a5 |
3270 | void term_copyall(Terminal *term) |
32874aea |
3271 | { |
4facdf84 |
3272 | pos top; |
887035a5 |
3273 | top.y = -count234(term->scrollback); |
4facdf84 |
3274 | top.x = 0; |
887035a5 |
3275 | clipme(term, top, term->curs, 0); |
4eeb7d09 |
3276 | } |
3277 | |
3278 | /* |
887035a5 |
3279 | * The wordness array is mainly for deciding the disposition of the |
3280 | * US-ASCII characters. |
4eeb7d09 |
3281 | */ |
887035a5 |
3282 | static int wordtype(Terminal *term, int uc) |
4eeb7d09 |
3283 | { |
3284 | static struct { |
3285 | int start, end, ctype; |
3286 | } *wptr, ucs_words[] = { |
3287 | { |
3288 | 128, 160, 0}, { |
3289 | 161, 191, 1}, { |
3290 | 215, 215, 1}, { |
3291 | 247, 247, 1}, { |
3292 | 0x037e, 0x037e, 1}, /* Greek question mark */ |
3293 | { |
3294 | 0x0387, 0x0387, 1}, /* Greek ano teleia */ |
3295 | { |
3296 | 0x055a, 0x055f, 1}, /* Armenian punctuation */ |
3297 | { |
3298 | 0x0589, 0x0589, 1}, /* Armenian full stop */ |
3299 | { |
3300 | 0x0700, 0x070d, 1}, /* Syriac punctuation */ |
3301 | { |
3302 | 0x104a, 0x104f, 1}, /* Myanmar punctuation */ |
3303 | { |
3304 | 0x10fb, 0x10fb, 1}, /* Georgian punctuation */ |
3305 | { |
3306 | 0x1361, 0x1368, 1}, /* Ethiopic punctuation */ |
3307 | { |
3308 | 0x166d, 0x166e, 1}, /* Canadian Syl. punctuation */ |
3309 | { |
3310 | 0x17d4, 0x17dc, 1}, /* Khmer punctuation */ |
3311 | { |
3312 | 0x1800, 0x180a, 1}, /* Mongolian punctuation */ |
3313 | { |
3314 | 0x2000, 0x200a, 0}, /* Various spaces */ |
3315 | { |
3316 | 0x2070, 0x207f, 2}, /* superscript */ |
3317 | { |
3318 | 0x2080, 0x208f, 2}, /* subscript */ |
3319 | { |
3320 | 0x200b, 0x27ff, 1}, /* punctuation and symbols */ |
3321 | { |
3322 | 0x3000, 0x3000, 0}, /* ideographic space */ |
3323 | { |
3324 | 0x3001, 0x3020, 1}, /* ideographic punctuation */ |
3325 | { |
3326 | 0x303f, 0x309f, 3}, /* Hiragana */ |
3327 | { |
3328 | 0x30a0, 0x30ff, 3}, /* Katakana */ |
3329 | { |
3330 | 0x3300, 0x9fff, 3}, /* CJK Ideographs */ |
3331 | { |
3332 | 0xac00, 0xd7a3, 3}, /* Hangul Syllables */ |
3333 | { |
3334 | 0xf900, 0xfaff, 3}, /* CJK Ideographs */ |
3335 | { |
3336 | 0xfe30, 0xfe6b, 1}, /* punctuation forms */ |
3337 | { |
3338 | 0xff00, 0xff0f, 1}, /* half/fullwidth ASCII */ |
3339 | { |
3340 | 0xff1a, 0xff20, 1}, /* half/fullwidth ASCII */ |
3341 | { |
3342 | 0xff3b, 0xff40, 1}, /* half/fullwidth ASCII */ |
3343 | { |
3344 | 0xff5b, 0xff64, 1}, /* half/fullwidth ASCII */ |
3345 | { |
3346 | 0xfff0, 0xffff, 0}, /* half/fullwidth ASCII */ |
3347 | { |
3348 | 0, 0, 0} |
3349 | }; |
3350 | |
3351 | uc &= (CSET_MASK | CHAR_MASK); |
3352 | |
3353 | switch (uc & CSET_MASK) { |
3354 | case ATTR_LINEDRW: |
3355 | uc = unitab_xterm[uc & 0xFF]; |
3356 | break; |
3357 | case ATTR_ASCII: |
3358 | uc = unitab_line[uc & 0xFF]; |
3359 | break; |
d3cb5465 |
3360 | case ATTR_SCOACS: |
3361 | uc = unitab_scoacs[uc&0xFF]; |
3362 | break; |
4eeb7d09 |
3363 | } |
3364 | switch (uc & CSET_MASK) { |
3365 | case ATTR_ACP: |
3366 | uc = unitab_font[uc & 0xFF]; |
3367 | break; |
3368 | case ATTR_OEMCP: |
3369 | uc = unitab_oemcp[uc & 0xFF]; |
3370 | break; |
3371 | } |
3372 | |
5a73255e |
3373 | /* For DBCS font's I can't do anything usefull. Even this will sometimes |
3374 | * fail as there's such a thing as a double width space. :-( |
3375 | */ |
3376 | if (dbcs_screenfont && font_codepage == line_codepage) |
3377 | return (uc != ' '); |
3378 | |
4eeb7d09 |
3379 | if (uc < 0x80) |
887035a5 |
3380 | return term->wordness[uc]; |
4eeb7d09 |
3381 | |
3382 | for (wptr = ucs_words; wptr->start; wptr++) { |
3383 | if (uc >= wptr->start && uc <= wptr->end) |
3384 | return wptr->ctype; |
3385 | } |
3386 | |
3387 | return 2; |
bc1235d4 |
3388 | } |
3389 | |
374330e2 |
3390 | /* |
3391 | * Spread the selection outwards according to the selection mode. |
3392 | */ |
887035a5 |
3393 | static pos sel_spread_half(Terminal *term, pos p, int dir) |
32874aea |
3394 | { |
4facdf84 |
3395 | unsigned long *ldata; |
374330e2 |
3396 | short wvalue; |
887035a5 |
3397 | int topy = -count234(term->scrollback); |
374330e2 |
3398 | |
4facdf84 |
3399 | ldata = lineptr(p.y); |
374330e2 |
3400 | |
887035a5 |
3401 | switch (term->selmode) { |
374330e2 |
3402 | case SM_CHAR: |
3403 | /* |
3404 | * In this mode, every character is a separate unit, except |
3405 | * for runs of spaces at the end of a non-wrapping line. |
3406 | */ |
887035a5 |
3407 | if (!(ldata[term->cols] & LATTR_WRAPPED)) { |
3408 | unsigned long *q = ldata + term->cols; |
4facdf84 |
3409 | while (q > ldata && (q[-1] & CHAR_MASK) == 0x20) |
374330e2 |
3410 | q--; |
887035a5 |
3411 | if (q == ldata + term->cols) |
374330e2 |
3412 | q--; |
32874aea |
3413 | if (p.x >= q - ldata) |
887035a5 |
3414 | p.x = (dir == -1 ? q - ldata : term->cols - 1); |
374330e2 |
3415 | } |
3416 | break; |
3417 | case SM_WORD: |
3418 | /* |
3419 | * In this mode, the units are maximal runs of characters |
3420 | * whose `wordness' has the same value. |
3421 | */ |
887035a5 |
3422 | wvalue = wordtype(term, ldata[p.x]); |
374330e2 |
3423 | if (dir == +1) { |
50ab4088 |
3424 | while (1) { |
887035a5 |
3425 | if (p.x < term->cols-1) { |
3426 | if (wordtype(term, ldata[p.x + 1]) == wvalue) |
50ab4088 |
3427 | p.x++; |
3428 | else |
3429 | break; |
3430 | } else { |
887035a5 |
3431 | if (ldata[term->cols] & LATTR_WRAPPED) { |
50ab4088 |
3432 | unsigned long *ldata2; |
3433 | ldata2 = lineptr(p.y+1); |
887035a5 |
3434 | if (wordtype(term, ldata2[0]) == wvalue) { |
50ab4088 |
3435 | p.x = 0; |
3436 | p.y++; |
3437 | ldata = ldata2; |
3438 | } else |
3439 | break; |
3440 | } else |
3441 | break; |
3442 | } |
3443 | } |
374330e2 |
3444 | } else { |
50ab4088 |
3445 | while (1) { |
3446 | if (p.x > 0) { |
887035a5 |
3447 | if (wordtype(term, ldata[p.x - 1]) == wvalue) |
50ab4088 |
3448 | p.x--; |
3449 | else |
3450 | break; |
3451 | } else { |
3452 | unsigned long *ldata2; |
3453 | if (p.y <= topy) |
3454 | break; |
3455 | ldata2 = lineptr(p.y-1); |
887035a5 |
3456 | if ((ldata2[term->cols] & LATTR_WRAPPED) && |
3457 | wordtype(term, ldata2[term->cols-1]) == wvalue) { |
3458 | p.x = term->cols-1; |
50ab4088 |
3459 | p.y--; |
3460 | ldata = ldata2; |
3461 | } else |
3462 | break; |
3463 | } |
3464 | } |
374330e2 |
3465 | } |
3466 | break; |
3467 | case SM_LINE: |
3468 | /* |
3469 | * In this mode, every line is a unit. |
3470 | */ |
887035a5 |
3471 | p.x = (dir == -1 ? 0 : term->cols - 1); |
374330e2 |
3472 | break; |
3473 | } |
3474 | return p; |
3475 | } |
3476 | |
887035a5 |
3477 | static void sel_spread(Terminal *term) |
32874aea |
3478 | { |
887035a5 |
3479 | if (term->seltype == LEXICOGRAPHIC) { |
3480 | term->selstart = sel_spread_half(term, term->selstart, -1); |
3481 | decpos(term->selend); |
3482 | term->selend = sel_spread_half(term, term->selend, +1); |
3483 | incpos(term->selend); |
6908fed7 |
3484 | } |
374330e2 |
3485 | } |
3486 | |
887035a5 |
3487 | void term_do_paste(Terminal *term) |
568dd02f |
3488 | { |
3489 | wchar_t *data; |
3490 | int len; |
3491 | |
3492 | get_clip(&data, &len); |
2cb50250 |
3493 | if (data && len > 0) { |
568dd02f |
3494 | wchar_t *p, *q; |
3495 | |
887035a5 |
3496 | term_seen_key_event(term); /* pasted data counts */ |
2cb50250 |
3497 | |
887035a5 |
3498 | if (term->paste_buffer) |
3499 | sfree(term->paste_buffer); |
3500 | term->paste_pos = term->paste_hold = term->paste_len = 0; |
3501 | term->paste_buffer = smalloc(len * sizeof(wchar_t)); |
568dd02f |
3502 | |
3503 | p = q = data; |
3504 | while (p < data + len) { |
3505 | while (p < data + len && |
3506 | !(p <= data + len - sel_nl_sz && |
3507 | !memcmp(p, sel_nl, sizeof(sel_nl)))) |
3508 | p++; |
3509 | |
3510 | { |
3511 | int i; |
3512 | for (i = 0; i < p - q; i++) { |
887035a5 |
3513 | term->paste_buffer[term->paste_len++] = q[i]; |
568dd02f |
3514 | } |
3515 | } |
3516 | |
3517 | if (p <= data + len - sel_nl_sz && |
3518 | !memcmp(p, sel_nl, sizeof(sel_nl))) { |
887035a5 |
3519 | term->paste_buffer[term->paste_len++] = '\r'; |
568dd02f |
3520 | p += sel_nl_sz; |
3521 | } |
3522 | q = p; |
3523 | } |
3524 | |
3525 | /* Assume a small paste will be OK in one go. */ |
887035a5 |
3526 | if (term->paste_len < 256) { |
3527 | luni_send(term->paste_buffer, term->paste_len, 0); |
3528 | if (term->paste_buffer) |
3529 | sfree(term->paste_buffer); |
3530 | term->paste_buffer = 0; |
3531 | term->paste_pos = term->paste_hold = term->paste_len = 0; |
568dd02f |
3532 | } |
3533 | } |
3534 | get_clip(NULL, NULL); |
3535 | } |
3536 | |
887035a5 |
3537 | void term_mouse(Terminal *term, Mouse_Button b, Mouse_Action a, int x, int y, |
6908fed7 |
3538 | int shift, int ctrl, int alt) |
32874aea |
3539 | { |
4facdf84 |
3540 | pos selpoint; |
3541 | unsigned long *ldata; |
887035a5 |
3542 | int raw_mouse = (term->xterm_mouse && |
c0d36a72 |
3543 | !cfg.no_mouse_rep && |
3544 | !(cfg.mouse_override && shift)); |
6908fed7 |
3545 | int default_seltype; |
32874aea |
3546 | |
fff61f25 |
3547 | if (y < 0) { |
32874aea |
3548 | y = 0; |
fff61f25 |
3549 | if (a == MA_DRAG && !raw_mouse) |
887035a5 |
3550 | term_scroll(term, 0, -1); |
fff61f25 |
3551 | } |
887035a5 |
3552 | if (y >= term->rows) { |
3553 | y = term->rows - 1; |
fff61f25 |
3554 | if (a == MA_DRAG && !raw_mouse) |
887035a5 |
3555 | term_scroll(term, 0, +1); |
fff61f25 |
3556 | } |
32874aea |
3557 | if (x < 0) { |
3558 | if (y > 0) { |
887035a5 |
3559 | x = term->cols - 1; |
32874aea |
3560 | y--; |
3561 | } else |
3562 | x = 0; |
094ed2a6 |
3563 | } |
887035a5 |
3564 | if (x >= term->cols) |
3565 | x = term->cols - 1; |
37508af4 |
3566 | |
887035a5 |
3567 | selpoint.y = y + term->disptop; |
4facdf84 |
3568 | selpoint.x = x; |
3569 | ldata = lineptr(selpoint.y); |
887035a5 |
3570 | if ((ldata[term->cols] & LATTR_MODE) != LATTR_NORM) |
4facdf84 |
3571 | selpoint.x /= 2; |
374330e2 |
3572 | |
fff61f25 |
3573 | if (raw_mouse) { |
01c034ad |
3574 | int encstate = 0, r, c; |
3575 | char abuf[16]; |
3576 | static int is_down = 0; |
3577 | |
32874aea |
3578 | switch (b) { |
01c034ad |
3579 | case MBT_LEFT: |
32874aea |
3580 | encstate = 0x20; /* left button down */ |
01c034ad |
3581 | break; |
3582 | case MBT_MIDDLE: |
3583 | encstate = 0x21; |
3584 | break; |
3585 | case MBT_RIGHT: |
3586 | encstate = 0x22; |
3587 | break; |
3588 | case MBT_WHEEL_UP: |
3589 | encstate = 0x60; |
3590 | break; |
3591 | case MBT_WHEEL_DOWN: |
3592 | encstate = 0x61; |
3593 | break; |
2d466ffd |
3594 | default: break; /* placate gcc warning about enum use */ |
01c034ad |
3595 | } |
32874aea |
3596 | switch (a) { |
01c034ad |
3597 | case MA_DRAG: |
887035a5 |
3598 | if (term->xterm_mouse == 1) |
01c034ad |
3599 | return; |
3600 | encstate += 0x20; |
3601 | break; |
3602 | case MA_RELEASE: |
3603 | encstate = 0x23; |
3604 | is_down = 0; |
3605 | break; |
3606 | case MA_CLICK: |
3607 | if (is_down == b) |
3608 | return; |
3609 | is_down = b; |
3610 | break; |
2d466ffd |
3611 | default: break; /* placate gcc warning about enum use */ |
01c034ad |
3612 | } |
3613 | if (shift) |
3614 | encstate += 0x04; |
3615 | if (ctrl) |
3616 | encstate += 0x10; |
3617 | r = y + 33; |
3618 | c = x + 33; |
3619 | |
3620 | sprintf(abuf, "\033[M%c%c%c", encstate, c, r); |
760e88b2 |
3621 | ldisc_send(abuf, 6, 0); |
01c034ad |
3622 | return; |
3623 | } |
3624 | |
3625 | b = translate_button(b); |
3626 | |
6908fed7 |
3627 | /* |
3628 | * Set the selection type (rectangular or normal) at the start |
3629 | * of a selection attempt, from the state of Alt. |
3630 | */ |
3631 | if (!alt ^ !cfg.rect_select) |
3632 | default_seltype = RECTANGULAR; |
3633 | else |
3634 | default_seltype = LEXICOGRAPHIC; |
3635 | |
887035a5 |
3636 | if (term->selstate == NO_SELECTION) { |
3637 | term->seltype = default_seltype; |
6908fed7 |
3638 | } |
3639 | |
01c034ad |
3640 | if (b == MBT_SELECT && a == MA_CLICK) { |
887035a5 |
3641 | deselect(term); |
3642 | term->selstate = ABOUT_TO; |
3643 | term->seltype = default_seltype; |
3644 | term->selanchor = selpoint; |
3645 | term->selmode = SM_CHAR; |
01c034ad |
3646 | } else if (b == MBT_SELECT && (a == MA_2CLK || a == MA_3CLK)) { |
887035a5 |
3647 | deselect(term); |
3648 | term->selmode = (a == MA_2CLK ? SM_WORD : SM_LINE); |
3649 | term->selstate = DRAGGING; |
3650 | term->selstart = term->selanchor = selpoint; |
3651 | term->selend = term->selstart; |
3652 | incpos(term->selend); |
3653 | sel_spread(term); |
01c034ad |
3654 | } else if ((b == MBT_SELECT && a == MA_DRAG) || |
3655 | (b == MBT_EXTEND && a != MA_RELEASE)) { |
887035a5 |
3656 | if (term->selstate == ABOUT_TO && poseq(term->selanchor, selpoint)) |
374330e2 |
3657 | return; |
887035a5 |
3658 | if (b == MBT_EXTEND && a != MA_DRAG && term->selstate == SELECTED) { |
3659 | if (term->seltype == LEXICOGRAPHIC) { |
6908fed7 |
3660 | /* |
3661 | * For normal selection, we extend by moving |
3662 | * whichever end of the current selection is closer |
3663 | * to the mouse. |
3664 | */ |
887035a5 |
3665 | if (posdiff(selpoint, term->selstart) < |
3666 | posdiff(term->selend, term->selstart) / 2) { |
3667 | term->selanchor = term->selend; |
3668 | decpos(term->selanchor); |
6908fed7 |
3669 | } else { |
887035a5 |
3670 | term->selanchor = term->selstart; |
6908fed7 |
3671 | } |
4facdf84 |
3672 | } else { |
6908fed7 |
3673 | /* |
3674 | * For rectangular selection, we have a choice of |
3675 | * _four_ places to put selanchor and selpoint: the |
3676 | * four corners of the selection. |
3677 | */ |
887035a5 |
3678 | if (2*selpoint.x < term->selstart.x + term->selend.x) |
3679 | term->selanchor.x = term->selend.x-1; |
6908fed7 |
3680 | else |
887035a5 |
3681 | term->selanchor.x = term->selstart.x; |
6908fed7 |
3682 | |
887035a5 |
3683 | if (2*selpoint.y < term->selstart.y + term->selend.y) |
3684 | term->selanchor.y = term->selend.y; |
6908fed7 |
3685 | else |
887035a5 |
3686 | term->selanchor.y = term->selstart.y; |
4facdf84 |
3687 | } |
887035a5 |
3688 | term->selstate = DRAGGING; |
374330e2 |
3689 | } |
887035a5 |
3690 | if (term->selstate != ABOUT_TO && term->selstate != DRAGGING) |
3691 | term->selanchor = selpoint; |
3692 | term->selstate = DRAGGING; |
3693 | if (term->seltype == LEXICOGRAPHIC) { |
6908fed7 |
3694 | /* |
3695 | * For normal selection, we set (selstart,selend) to |
3696 | * (selpoint,selanchor) in some order. |
3697 | */ |
887035a5 |
3698 | if (poslt(selpoint, term->selanchor)) { |
3699 | term->selstart = selpoint; |
3700 | term->selend = term->selanchor; |
3701 | incpos(term->selend); |
6908fed7 |
3702 | } else { |
887035a5 |
3703 | term->selstart = term->selanchor; |
3704 | term->selend = selpoint; |
3705 | incpos(term->selend); |
6908fed7 |
3706 | } |
374330e2 |
3707 | } else { |
6908fed7 |
3708 | /* |
3709 | * For rectangular selection, we may need to |
3710 | * interchange x and y coordinates (if the user has |
3711 | * dragged in the -x and +y directions, or vice versa). |
3712 | */ |
887035a5 |
3713 | term->selstart.x = min(term->selanchor.x, selpoint.x); |
3714 | term->selend.x = 1+max(term->selanchor.x, selpoint.x); |
3715 | term->selstart.y = min(term->selanchor.y, selpoint.y); |
3716 | term->selend.y = max(term->selanchor.y, selpoint.y); |
374330e2 |
3717 | } |
887035a5 |
3718 | sel_spread(term); |
01c034ad |
3719 | } else if ((b == MBT_SELECT || b == MBT_EXTEND) && a == MA_RELEASE) { |
887035a5 |
3720 | if (term->selstate == DRAGGING) { |
374330e2 |
3721 | /* |
3722 | * We've completed a selection. We now transfer the |
3723 | * data to the clipboard. |
3724 | */ |
887035a5 |
3725 | clipme(term, term->selstart, term->selend, |
3726 | (term->seltype == RECTANGULAR)); |
3727 | term->selstate = SELECTED; |
374330e2 |
3728 | } else |
887035a5 |
3729 | term->selstate = NO_SELECTION; |
32874aea |
3730 | } else if (b == MBT_PASTE |
e6346999 |
3731 | && (a == MA_CLICK |
3732 | #if MULTICLICK_ONLY_EVENT |
3733 | || a == MA_2CLK || a == MA_3CLK |
3734 | #endif |
3735 | )) { |
3736 | request_paste(); |
374330e2 |
3737 | } |
3738 | |
887035a5 |
3739 | term_update(term); |
374330e2 |
3740 | } |
3741 | |
887035a5 |
3742 | void term_nopaste(Terminal *term) |
32874aea |
3743 | { |
887035a5 |
3744 | if (term->paste_len == 0) |
32874aea |
3745 | return; |
887035a5 |
3746 | sfree(term->paste_buffer); |
f278d6f8 |
3747 | term->paste_buffer = NULL; |
887035a5 |
3748 | term->paste_len = 0; |
c9def1b8 |
3749 | } |
3750 | |
887035a5 |
3751 | int term_paste_pending(Terminal *term) |
0f660c8f |
3752 | { |
887035a5 |
3753 | return term->paste_len != 0; |
0f660c8f |
3754 | } |
3755 | |
887035a5 |
3756 | void term_paste(Terminal *term) |
32874aea |
3757 | { |
c9def1b8 |
3758 | long now, paste_diff; |
3759 | |
887035a5 |
3760 | if (term->paste_len == 0) |
32874aea |
3761 | return; |
c9def1b8 |
3762 | |
3763 | /* Don't wait forever to paste */ |
887035a5 |
3764 | if (term->paste_hold) { |
f7f27309 |
3765 | now = GETTICKCOUNT(); |
887035a5 |
3766 | paste_diff = now - term->last_paste; |
32874aea |
3767 | if (paste_diff >= 0 && paste_diff < 450) |
c9def1b8 |
3768 | return; |
3769 | } |
887035a5 |
3770 | term->paste_hold = 0; |
c9def1b8 |
3771 | |
887035a5 |
3772 | while (term->paste_pos < term->paste_len) { |
8df7a775 |
3773 | int n = 0; |
887035a5 |
3774 | while (n + term->paste_pos < term->paste_len) { |
3775 | if (term->paste_buffer[term->paste_pos + n++] == '\r') |
8df7a775 |
3776 | break; |
3777 | } |
887035a5 |
3778 | luni_send(term->paste_buffer + term->paste_pos, n, 0); |
3779 | term->paste_pos += n; |
c9def1b8 |
3780 | |
887035a5 |
3781 | if (term->paste_pos < term->paste_len) { |
3782 | term->paste_hold = 1; |
c9def1b8 |
3783 | return; |
3784 | } |
3785 | } |
887035a5 |
3786 | sfree(term->paste_buffer); |
3787 | term->paste_buffer = NULL; |
3788 | term->paste_len = 0; |
c9def1b8 |
3789 | } |
3790 | |
887035a5 |
3791 | static void deselect(Terminal *term) |
32874aea |
3792 | { |
887035a5 |
3793 | term->selstate = NO_SELECTION; |
3794 | term->selstart.x = term->selstart.y = term->selend.x = term->selend.y = 0; |
374330e2 |
3795 | } |
3796 | |
887035a5 |
3797 | void term_deselect(Terminal *term) |
32874aea |
3798 | { |
887035a5 |
3799 | deselect(term); |
3800 | term_update(term); |
374330e2 |
3801 | } |
fe50e814 |
3802 | |
887035a5 |
3803 | int term_ldisc(Terminal *term, int option) |
32874aea |
3804 | { |
3805 | if (option == LD_ECHO) |
887035a5 |
3806 | return term->term_echoing; |
32874aea |
3807 | if (option == LD_EDIT) |
887035a5 |
3808 | return term->term_editing; |
0965bee0 |
3809 | return FALSE; |
3810 | } |
3811 | |
fe50e814 |
3812 | /* |
3813 | * from_backend(), to get data from the backend for the terminal. |
3814 | */ |
887035a5 |
3815 | int from_backend(void *vterm, int is_stderr, char *data, int len) |
32874aea |
3816 | { |
887035a5 |
3817 | Terminal *term = (Terminal *)vterm; |
3818 | |
2b0c045b |
3819 | assert(len > 0); |
3820 | |
887035a5 |
3821 | bufchain_add(&term->inbuf, data, len); |
5471d09a |
3822 | |
3823 | /* |
a748a096 |
3824 | * term_out() always completely empties inbuf. Therefore, |
3825 | * there's no reason at all to return anything other than zero |
3826 | * from this function, because there _can't_ be a question of |
3827 | * the remote side needing to wait until term_out() has cleared |
3828 | * a backlog. |
3829 | * |
5471d09a |
3830 | * This is a slightly suboptimal way to deal with SSH2 - in |
3831 | * principle, the window mechanism would allow us to continue |
3832 | * to accept data on forwarded ports and X connections even |
3833 | * while the terminal processing was going slowly - but we |
3834 | * can't do the 100% right thing without moving the terminal |
3835 | * processing into a separate thread, and that might hurt |
3836 | * portability. So we manage stdout buffering the old SSH1 way: |
3837 | * if the terminal processing goes slowly, the whole SSH |
3838 | * connection stops accepting data until it's ready. |
a748a096 |
3839 | * |
5471d09a |
3840 | * In practice, I can't imagine this causing serious trouble. |
3841 | */ |
3842 | return 0; |
fe50e814 |
3843 | } |