374330e2 |
1 | #include <windows.h> |
2 | |
3 | #include <stdio.h> |
4 | #include <stdlib.h> |
49bad831 |
5 | #include <ctype.h> |
374330e2 |
6 | |
e1c8e0ed |
7 | #include <time.h> |
c83de303 |
8 | #include <assert.h> |
374330e2 |
9 | #include "putty.h" |
4facdf84 |
10 | #include "tree234.h" |
374330e2 |
11 | |
4eeb7d09 |
12 | #define VT52_PLUS |
13 | |
32874aea |
14 | #define CL_ANSIMIN 0x0001 /* Codes in all ANSI like terminals. */ |
15 | #define CL_VT100 0x0002 /* VT100 */ |
16 | #define CL_VT100AVO 0x0004 /* VT100 +AVO; 132x24 (not 132x14) & attrs */ |
17 | #define CL_VT102 0x0008 /* VT102 */ |
18 | #define CL_VT220 0x0010 /* VT220 */ |
19 | #define CL_VT320 0x0020 /* VT320 */ |
20 | #define CL_VT420 0x0040 /* VT420 */ |
21 | #define CL_VT510 0x0080 /* VT510, NB VT510 includes ANSI */ |
22 | #define CL_VT340TEXT 0x0100 /* VT340 extensions that appear in the VT420 */ |
23 | #define CL_SCOANSI 0x1000 /* SCOANSI not in ANSIMIN. */ |
24 | #define CL_ANSI 0x2000 /* ANSI ECMA-48 not in the VT100..VT420 */ |
25 | #define CL_OTHER 0x4000 /* Others, Xterm, linux, putty, dunno, etc */ |
e14a5a13 |
26 | |
c9def1b8 |
27 | #define TM_VT100 (CL_ANSIMIN|CL_VT100) |
28 | #define TM_VT100AVO (TM_VT100|CL_VT100AVO) |
29 | #define TM_VT102 (TM_VT100AVO|CL_VT102) |
30 | #define TM_VT220 (TM_VT102|CL_VT220) |
31 | #define TM_VTXXX (TM_VT220|CL_VT340TEXT|CL_VT510|CL_VT420|CL_VT320) |
32 | #define TM_SCOANSI (CL_ANSIMIN|CL_SCOANSI) |
33 | |
34 | #define TM_PUTTY (0xFFFF) |
e14a5a13 |
35 | |
36 | #define compatibility(x) \ |
37 | if ( ((CL_##x)&compatibility_level) == 0 ) { \ |
38 | termstate=TOPLEVEL; \ |
39 | break; \ |
40 | } |
c9def1b8 |
41 | #define compatibility2(x,y) \ |
42 | if ( ((CL_##x|CL_##y)&compatibility_level) == 0 ) { \ |
43 | termstate=TOPLEVEL; \ |
44 | break; \ |
45 | } |
e14a5a13 |
46 | |
47 | #define has_compat(x) ( ((CL_##x)&compatibility_level) != 0 ) |
48 | |
49 | static int compatibility_level = TM_PUTTY; |
50 | |
4facdf84 |
51 | static tree234 *scrollback; /* lines scrolled off top of screen */ |
52 | static tree234 *screen; /* lines on primary screen */ |
53 | static tree234 *alt_screen; /* lines on alternate screen */ |
c83de303 |
54 | static int disptop; /* distance scrolled back (0 or -ve) */ |
e14a5a13 |
55 | |
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56 | static unsigned long *cpos; /* cursor position (convenience) */ |
4facdf84 |
57 | |
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58 | static unsigned long *disptext; /* buffer of text on real screen */ |
4eeb7d09 |
59 | static unsigned long *dispcurs; /* location of cursor on real screen */ |
60 | static unsigned long curstype; /* type of cursor on real screen */ |
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61 | |
c83de303 |
62 | #define VBELL_TIMEOUT 100 /* millisecond len of visual bell */ |
156686ef |
63 | |
64 | struct beeptime { |
65 | struct beeptime *next; |
286c6b86 |
66 | unsigned long ticks; |
156686ef |
67 | }; |
68 | static struct beeptime *beephead, *beeptail; |
69 | int nbeeps; |
70 | int beep_overloaded; |
71 | long lastbeep; |
72 | |
4facdf84 |
73 | #define TSIZE (sizeof(unsigned long)) |
c83de303 |
74 | #define fix_cpos do { cpos = lineptr(curs.y) + curs.x; } while(0) |
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75 | |
76 | static unsigned long curr_attr, save_attr; |
e14a5a13 |
77 | static unsigned long erase_char = ERASE_CHAR; |
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78 | |
4facdf84 |
79 | typedef struct { |
80 | int y, x; |
81 | } pos; |
82 | #define poslt(p1,p2) ( (p1).y < (p2).y || ( (p1).y == (p2).y && (p1).x < (p2).x ) ) |
83 | #define posle(p1,p2) ( (p1).y < (p2).y || ( (p1).y == (p2).y && (p1).x <= (p2).x ) ) |
84 | #define poseq(p1,p2) ( (p1).y == (p2).y && (p1).x == (p2).x ) |
435aa044 |
85 | #define posdiff(p1,p2) ( ((p1).y - (p2).y) * (cols+1) + (p1).x - (p2).x ) |
4facdf84 |
86 | #define incpos(p) ( (p).x == cols ? ((p).x = 0, (p).y++, 1) : ((p).x++, 0) ) |
87 | #define decpos(p) ( (p).x == 0 ? ((p).x = cols, (p).y--, 1) : ((p).x--, 0) ) |
88 | |
6908fed7 |
89 | /* Product-order comparisons for rectangular block selection. */ |
90 | #define posPlt(p1,p2) ( (p1).y <= (p2).y && (p1).x < (p2).x ) |
91 | #define posPle(p1,p2) ( (p1).y <= (p2).y && (p1).x <= (p2).x ) |
92 | |
a748a096 |
93 | static bufchain inbuf; /* terminal input buffer */ |
4facdf84 |
94 | static pos curs; /* cursor */ |
95 | static pos savecurs; /* saved cursor position */ |
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96 | static int marg_t, marg_b; /* scroll margins */ |
97 | static int dec_om; /* DEC origin mode flag */ |
98 | static int wrap, wrapnext; /* wrap flags */ |
99 | static int insert; /* insert-mode flag */ |
100 | static int cset; /* 0 or 1: which char set */ |
101 | static int save_cset, save_csattr; /* saved with cursor position */ |
8f22582c |
102 | static int save_utf; /* saved with cursor position */ |
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103 | static int rvideo; /* global reverse video flag */ |
286c6b86 |
104 | static unsigned long rvbell_startpoint;/* for ESC[?5hESC[?5l vbell */ |
e14a5a13 |
105 | static int cursor_on; /* cursor enabled flag */ |
106 | static int reset_132; /* Flag ESC c resets to 80 cols */ |
107 | static int use_bce; /* Use Background coloured erase */ |
108 | static int blinker; /* When blinking is the cursor on ? */ |
c9def1b8 |
109 | static int tblinker; /* When the blinking text is on */ |
110 | static int blink_is_real; /* Actually blink blinking text */ |
32874aea |
111 | static int term_echoing; /* Does terminal want local echo? */ |
112 | static int term_editing; /* Does terminal want local edit? */ |
d3cb5465 |
113 | static int sco_acs, save_sco_acs; /* CSI 10,11,12m -> OEM charset */ |
4eeb7d09 |
114 | static int vt52_bold; /* Force bold on non-bold colours */ |
115 | static int utf_state; /* Is there a pending UTF-8 character */ |
116 | static int utf_char; /* and what is it so far. */ |
117 | static int utf_size; /* The size of the UTF character. */ |
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118 | |
32874aea |
119 | static int xterm_mouse; /* send mouse messages to app */ |
01c034ad |
120 | |
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121 | static unsigned long cset_attr[2]; |
122 | |
123 | /* |
124 | * Saved settings on the alternate screen. |
125 | */ |
8f22582c |
126 | static int alt_x, alt_y, alt_om, alt_wrap, alt_wnext, alt_ins, alt_cset, alt_sco_acs, alt_utf; |
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127 | static int alt_t, alt_b; |
128 | static int alt_which; |
129 | |
130 | #define ARGS_MAX 32 /* max # of esc sequence arguments */ |
064916ea |
131 | #define ARG_DEFAULT 0 /* if an arg isn't specified */ |
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132 | #define def(a,d) ( (a) == ARG_DEFAULT ? (d) : (a) ) |
133 | static int esc_args[ARGS_MAX]; |
134 | static int esc_nargs; |
135 | static int esc_query; |
8b811b12 |
136 | #define ANSI(x,y) ((x)+((y)<<8)) |
137 | #define ANSI_QUE(x) ANSI(x,TRUE) |
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138 | |
139 | #define OSC_STR_MAX 2048 |
140 | static int osc_strlen; |
32874aea |
141 | static char osc_string[OSC_STR_MAX + 1]; |
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142 | static int osc_w; |
143 | |
c9def1b8 |
144 | static char id_string[1024] = "\033[?6c"; |
145 | |
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146 | static unsigned char *tabs; |
147 | |
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148 | static enum { |
cabfd08c |
149 | TOPLEVEL, |
150 | SEEN_ESC, |
151 | SEEN_CSI, |
152 | SEEN_OSC, |
153 | SEEN_OSC_W, |
154 | |
155 | DO_CTRLS, |
156 | |
cabfd08c |
157 | SEEN_OSC_P, |
158 | OSC_STRING, OSC_MAYBE_ST, |
e14a5a13 |
159 | VT52_ESC, |
160 | VT52_Y1, |
4eeb7d09 |
161 | VT52_Y2, |
162 | VT52_FG, |
163 | VT52_BG |
374330e2 |
164 | } termstate; |
165 | |
166 | static enum { |
167 | NO_SELECTION, ABOUT_TO, DRAGGING, SELECTED |
168 | } selstate; |
169 | static enum { |
6908fed7 |
170 | LEXICOGRAPHIC, RECTANGULAR |
171 | } seltype; |
172 | static enum { |
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173 | SM_CHAR, SM_WORD, SM_LINE |
174 | } selmode; |
4facdf84 |
175 | static pos selstart, selend, selanchor; |
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176 | |
177 | static short wordness[256] = { |
32874aea |
178 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
179 | 0, 0, 0, 0, 0, 0, 0, 0, /* 01 */ |
180 | 0, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
181 | 2, 2, 1, 1, 1, 1, 1, 1, /* 23 */ |
182 | 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
183 | 2, 2, 2, 1, 1, 1, 1, 2, /* 45 */ |
184 | 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
185 | 2, 2, 2, 1, 1, 1, 1, 1, /* 67 */ |
186 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
187 | 1, 1, 1, 1, 1, 1, 1, 1, /* 89 */ |
188 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
189 | 1, 1, 1, 1, 1, 1, 1, 1, /* AB */ |
190 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, |
191 | 2, 2, 2, 2, 2, 2, 2, 2, /* CD */ |
192 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, |
193 | 2, 2, 2, 2, 2, 2, 2, 2, /* EF */ |
374330e2 |
194 | }; |
195 | |
4eeb7d09 |
196 | #define sel_nl_sz (sizeof(sel_nl)/sizeof(wchar_t)) |
197 | static wchar_t sel_nl[] = SEL_NL; |
198 | static wchar_t *paste_buffer = 0; |
c9def1b8 |
199 | static int paste_len, paste_pos, paste_hold; |
374330e2 |
200 | |
201 | /* |
202 | * Internal prototypes. |
203 | */ |
32874aea |
204 | static void do_paint(Context, int); |
205 | static void erase_lots(int, int, int); |
206 | static void swap_screen(int); |
207 | static void update_sbar(void); |
208 | static void deselect(void); |
e1c8e0ed |
209 | /* log session to file stuff ... */ |
210 | static FILE *lgfp = NULL; |
211 | static void logtraffic(unsigned char c, int logmode); |
66ee282a |
212 | static void xlatlognam(char *d, char *s, char *hostname, struct tm *tm); |
374330e2 |
213 | |
214 | /* |
2371caac |
215 | * Resize a line to make it `cols' columns wide. |
216 | */ |
217 | unsigned long *resizeline(unsigned long *line, int cols) |
218 | { |
219 | int i, oldlen; |
220 | unsigned long lineattrs; |
221 | |
222 | if (line[0] != (unsigned long)cols) { |
223 | /* |
224 | * This line is the wrong length, which probably means it |
225 | * hasn't been accessed since a resize. Resize it now. |
226 | */ |
227 | oldlen = line[0]; |
228 | lineattrs = line[oldlen + 1]; |
229 | line = srealloc(line, TSIZE * (2 + cols)); |
230 | line[0] = cols; |
231 | for (i = oldlen; i < cols; i++) |
232 | line[i + 1] = ERASE_CHAR; |
233 | line[cols + 1] = lineattrs & LATTR_MODE; |
234 | } |
235 | |
236 | return line; |
237 | } |
238 | |
239 | /* |
c83de303 |
240 | * Retrieve a line of the screen or of the scrollback, according to |
241 | * whether the y coordinate is non-negative or negative |
242 | * (respectively). |
243 | */ |
32874aea |
244 | unsigned long *lineptr(int y, int lineno) |
245 | { |
2371caac |
246 | unsigned long *line, *newline; |
c83de303 |
247 | tree234 *whichtree; |
2371caac |
248 | int treeindex; |
c83de303 |
249 | |
250 | if (y >= 0) { |
251 | whichtree = screen; |
252 | treeindex = y; |
253 | } else { |
254 | whichtree = scrollback; |
255 | treeindex = y + count234(scrollback); |
256 | } |
257 | line = index234(whichtree, treeindex); |
258 | |
259 | /* We assume that we don't screw up and retrieve something out of range. */ |
c83de303 |
260 | assert(line != NULL); |
c83de303 |
261 | |
2371caac |
262 | newline = resizeline(line, cols); |
263 | if (newline != line) { |
c83de303 |
264 | delpos234(whichtree, treeindex); |
2371caac |
265 | addpos234(whichtree, newline, treeindex); |
04dcfaa2 |
266 | line = newline; |
c83de303 |
267 | } |
268 | |
32874aea |
269 | return line + 1; |
c83de303 |
270 | } |
32874aea |
271 | |
c83de303 |
272 | #define lineptr(x) lineptr(x,__LINE__) |
273 | /* |
374330e2 |
274 | * Set up power-on settings for the terminal. |
275 | */ |
32874aea |
276 | static void power_on(void) |
277 | { |
4facdf84 |
278 | curs.x = curs.y = alt_x = alt_y = savecurs.x = savecurs.y = 0; |
374330e2 |
279 | alt_t = marg_t = 0; |
280 | if (rows != -1) |
281 | alt_b = marg_b = rows - 1; |
282 | else |
283 | alt_b = marg_b = 0; |
284 | if (cols != -1) { |
285 | int i; |
286 | for (i = 0; i < cols; i++) |
287 | tabs[i] = (i % 8 == 0 ? TRUE : FALSE); |
288 | } |
289 | alt_om = dec_om = cfg.dec_om; |
290 | alt_wnext = wrapnext = alt_ins = insert = FALSE; |
291 | alt_wrap = wrap = cfg.wrap_mode; |
292 | alt_cset = cset = 0; |
8f22582c |
293 | alt_utf = utf = 0; |
d3cb5465 |
294 | alt_sco_acs = sco_acs = 0; |
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295 | cset_attr[0] = cset_attr[1] = ATTR_ASCII; |
296 | rvideo = 0; |
156686ef |
297 | in_vbell = FALSE; |
e14a5a13 |
298 | cursor_on = 1; |
4eeb7d09 |
299 | big_cursor = 0; |
374330e2 |
300 | save_attr = curr_attr = ATTR_DEFAULT; |
0965bee0 |
301 | term_editing = term_echoing = FALSE; |
760e88b2 |
302 | ldisc_send(NULL, 0, 0); /* cause ldisc to notice changes */ |
374330e2 |
303 | app_cursor_keys = cfg.app_cursor; |
304 | app_keypad_keys = cfg.app_keypad; |
c9def1b8 |
305 | use_bce = cfg.bce; |
306 | blink_is_real = cfg.blinktext; |
e14a5a13 |
307 | erase_char = ERASE_CHAR; |
374330e2 |
308 | alt_which = 0; |
309 | { |
310 | int i; |
311 | for (i = 0; i < 256; i++) |
312 | wordness[i] = cfg.wordness[i]; |
313 | } |
4facdf84 |
314 | if (screen) { |
32874aea |
315 | swap_screen(1); |
316 | erase_lots(FALSE, TRUE, TRUE); |
317 | swap_screen(0); |
318 | erase_lots(FALSE, TRUE, TRUE); |
374330e2 |
319 | } |
320 | } |
321 | |
322 | /* |
323 | * Force a screen update. |
324 | */ |
32874aea |
325 | void term_update(void) |
326 | { |
374330e2 |
327 | Context ctx; |
328 | ctx = get_ctx(); |
329 | if (ctx) { |
4f892125 |
330 | int need_sbar_update = seen_disp_event; |
32874aea |
331 | if ((seen_key_event && (cfg.scroll_on_key)) || |
332 | (seen_disp_event && (cfg.scroll_on_disp))) { |
4facdf84 |
333 | disptop = 0; /* return to main screen */ |
cabfd08c |
334 | seen_disp_event = seen_key_event = 0; |
4f892125 |
335 | need_sbar_update = TRUE; |
cabfd08c |
336 | } |
4f892125 |
337 | if (need_sbar_update) |
338 | update_sbar(); |
32874aea |
339 | do_paint(ctx, TRUE); |
340 | sys_cursor(curs.x, curs.y - disptop); |
341 | free_ctx(ctx); |
374330e2 |
342 | } |
343 | } |
344 | |
345 | /* |
346 | * Same as power_on(), but an external function. |
347 | */ |
32874aea |
348 | void term_pwron(void) |
349 | { |
374330e2 |
350 | power_on(); |
351 | fix_cpos; |
4facdf84 |
352 | disptop = 0; |
374330e2 |
353 | deselect(); |
354 | term_update(); |
355 | } |
356 | |
357 | /* |
358 | * Clear the scrollback. |
359 | */ |
32874aea |
360 | void term_clrsb(void) |
361 | { |
4facdf84 |
362 | unsigned long *line; |
363 | disptop = 0; |
364 | while ((line = delpos234(scrollback, 0)) != NULL) { |
365 | sfree(line); |
366 | } |
374330e2 |
367 | update_sbar(); |
368 | } |
369 | |
370 | /* |
371 | * Initialise the terminal. |
372 | */ |
32874aea |
373 | void term_init(void) |
374 | { |
4facdf84 |
375 | screen = alt_screen = scrollback = NULL; |
376 | disptop = 0; |
4eeb7d09 |
377 | disptext = dispcurs = NULL; |
374330e2 |
378 | tabs = NULL; |
374330e2 |
379 | deselect(); |
380 | rows = cols = -1; |
374330e2 |
381 | power_on(); |
156686ef |
382 | beephead = beeptail = NULL; |
383 | nbeeps = 0; |
384 | lastbeep = FALSE; |
385 | beep_overloaded = FALSE; |
374330e2 |
386 | } |
387 | |
388 | /* |
389 | * Set up the terminal for a given size. |
390 | */ |
32874aea |
391 | void term_size(int newrows, int newcols, int newsavelines) |
392 | { |
2d466ffd |
393 | tree234 *newalt; |
394 | unsigned long *newdisp, *line; |
395 | int i, j; |
c83de303 |
396 | int sblen; |
d6832394 |
397 | int save_alt_which = alt_which; |
398 | |
374330e2 |
399 | if (newrows == rows && newcols == cols && newsavelines == savelines) |
400 | return; /* nothing to do */ |
401 | |
d6832394 |
402 | deselect(); |
403 | swap_screen(0); |
404 | |
374330e2 |
405 | alt_t = marg_t = 0; |
406 | alt_b = marg_b = newrows - 1; |
407 | |
c83de303 |
408 | if (rows == -1) { |
409 | scrollback = newtree234(NULL); |
410 | screen = newtree234(NULL); |
411 | rows = 0; |
412 | } |
413 | |
414 | /* |
415 | * Resize the screen and scrollback. We only need to shift |
416 | * lines around within our data structures, because lineptr() |
417 | * will take care of resizing each individual line if |
418 | * necessary. So: |
419 | * |
420 | * - If the new screen and the old screen differ in length, we |
421 | * must shunt some lines in from the scrollback or out to |
422 | * the scrollback. |
423 | * |
424 | * - If doing that fails to provide us with enough material to |
425 | * fill the new screen (i.e. the number of rows needed in |
426 | * the new screen exceeds the total number in the previous |
427 | * screen+scrollback), we must invent some blank lines to |
428 | * cover the gap. |
429 | * |
430 | * - Then, if the new scrollback length is less than the |
431 | * amount of scrollback we actually have, we must throw some |
432 | * away. |
433 | */ |
434 | sblen = count234(scrollback); |
cdd6c586 |
435 | /* Do this loop to expand the screen if newrows > rows */ |
436 | for (i = rows; i < newrows; i++) { |
32874aea |
437 | if (sblen > 0) { |
438 | line = delpos234(scrollback, --sblen); |
439 | } else { |
440 | line = smalloc(TSIZE * (newcols + 2)); |
441 | line[0] = newcols; |
442 | for (j = 0; j <= newcols; j++) |
443 | line[j + 1] = ERASE_CHAR; |
444 | } |
445 | addpos234(screen, line, 0); |
cdd6c586 |
446 | } |
447 | /* Do this loop to shrink the screen if newrows < rows */ |
448 | for (i = newrows; i < rows; i++) { |
32874aea |
449 | line = delpos234(screen, 0); |
450 | addpos234(scrollback, line, sblen++); |
c83de303 |
451 | } |
452 | assert(count234(screen) == newrows); |
453 | while (sblen > newsavelines) { |
454 | line = delpos234(scrollback, 0); |
455 | sfree(line); |
456 | sblen--; |
c9def1b8 |
457 | } |
c83de303 |
458 | assert(count234(scrollback) <= newsavelines); |
4facdf84 |
459 | disptop = 0; |
374330e2 |
460 | |
32874aea |
461 | newdisp = smalloc(newrows * (newcols + 1) * TSIZE); |
462 | for (i = 0; i < newrows * (newcols + 1); i++) |
374330e2 |
463 | newdisp[i] = ATTR_INVALID; |
32874aea |
464 | sfree(disptext); |
374330e2 |
465 | disptext = newdisp; |
4eeb7d09 |
466 | dispcurs = NULL; |
374330e2 |
467 | |
4facdf84 |
468 | newalt = newtree234(NULL); |
32874aea |
469 | for (i = 0; i < newrows; i++) { |
470 | line = smalloc(TSIZE * (newcols + 2)); |
c83de303 |
471 | line[0] = newcols; |
4facdf84 |
472 | for (j = 0; j <= newcols; j++) |
32874aea |
473 | line[j + 1] = erase_char; |
4facdf84 |
474 | addpos234(newalt, line, i); |
475 | } |
476 | if (alt_screen) { |
477 | while (NULL != (line = delpos234(alt_screen, 0))) |
478 | sfree(line); |
479 | freetree234(alt_screen); |
480 | } |
481 | alt_screen = newalt; |
374330e2 |
482 | |
32874aea |
483 | tabs = srealloc(tabs, newcols * sizeof(*tabs)); |
374330e2 |
484 | { |
485 | int i; |
486 | for (i = (cols > 0 ? cols : 0); i < newcols; i++) |
487 | tabs[i] = (i % 8 == 0 ? TRUE : FALSE); |
488 | } |
489 | |
490 | if (rows > 0) |
4facdf84 |
491 | curs.y += newrows - rows; |
492 | if (curs.y < 0) |
493 | curs.y = 0; |
494 | if (curs.y >= newrows) |
32874aea |
495 | curs.y = newrows - 1; |
4facdf84 |
496 | if (curs.x >= newcols) |
32874aea |
497 | curs.x = newcols - 1; |
374330e2 |
498 | alt_x = alt_y = 0; |
499 | wrapnext = alt_wnext = FALSE; |
500 | |
501 | rows = newrows; |
502 | cols = newcols; |
503 | savelines = newsavelines; |
504 | fix_cpos; |
505 | |
d6832394 |
506 | swap_screen(save_alt_which); |
507 | |
374330e2 |
508 | update_sbar(); |
509 | term_update(); |
5a73255e |
510 | back->size(); |
374330e2 |
511 | } |
512 | |
513 | /* |
514 | * Swap screens. |
515 | */ |
32874aea |
516 | static void swap_screen(int which) |
517 | { |
374330e2 |
518 | int t; |
4facdf84 |
519 | tree234 *ttr; |
374330e2 |
520 | |
521 | if (which == alt_which) |
522 | return; |
523 | |
524 | alt_which = which; |
525 | |
32874aea |
526 | ttr = alt_screen; |
527 | alt_screen = screen; |
528 | screen = ttr; |
529 | t = curs.x; |
530 | curs.x = alt_x; |
531 | alt_x = t; |
532 | t = curs.y; |
533 | curs.y = alt_y; |
534 | alt_y = t; |
535 | t = marg_t; |
536 | marg_t = alt_t; |
537 | alt_t = t; |
538 | t = marg_b; |
539 | marg_b = alt_b; |
540 | alt_b = t; |
541 | t = dec_om; |
542 | dec_om = alt_om; |
543 | alt_om = t; |
544 | t = wrap; |
545 | wrap = alt_wrap; |
546 | alt_wrap = t; |
547 | t = wrapnext; |
548 | wrapnext = alt_wnext; |
549 | alt_wnext = t; |
550 | t = insert; |
551 | insert = alt_ins; |
552 | alt_ins = t; |
553 | t = cset; |
554 | cset = alt_cset; |
555 | alt_cset = t; |
8f22582c |
556 | t = utf; |
557 | utf = alt_utf; |
558 | alt_utf = t; |
d3cb5465 |
559 | t = sco_acs; |
560 | sco_acs = alt_sco_acs; |
561 | alt_sco_acs = t; |
374330e2 |
562 | |
563 | fix_cpos; |
564 | } |
565 | |
566 | /* |
374330e2 |
567 | * Update the scroll bar. |
568 | */ |
32874aea |
569 | static void update_sbar(void) |
570 | { |
260f3dec |
571 | int nscroll; |
374330e2 |
572 | |
4facdf84 |
573 | nscroll = count234(scrollback); |
574 | |
32874aea |
575 | set_sbar(nscroll + rows, nscroll + disptop, rows); |
374330e2 |
576 | } |
577 | |
578 | /* |
579 | * Check whether the region bounded by the two pointers intersects |
580 | * the scroll region, and de-select the on-screen selection if so. |
581 | */ |
32874aea |
582 | static void check_selection(pos from, pos to) |
583 | { |
4facdf84 |
584 | if (poslt(from, selend) && poslt(selstart, to)) |
374330e2 |
585 | deselect(); |
586 | } |
587 | |
588 | /* |
589 | * Scroll the screen. (`lines' is +ve for scrolling forward, -ve |
590 | * for backward.) `sb' is TRUE if the scrolling is permitted to |
591 | * affect the scrollback buffer. |
a4450583 |
592 | * |
593 | * NB this function invalidates all pointers into lines of the |
594 | * screen data structures. In particular, you MUST call fix_cpos |
595 | * after calling scroll() and before doing anything else that |
596 | * uses the cpos shortcut pointer. |
374330e2 |
597 | */ |
32874aea |
598 | static void scroll(int topline, int botline, int lines, int sb) |
599 | { |
4facdf84 |
600 | unsigned long *line, *line2; |
a792432e |
601 | int i, seltop; |
c9def1b8 |
602 | |
7af9fa7f |
603 | if (topline != 0 || alt_which != 0) |
4facdf84 |
604 | sb = FALSE; |
605 | |
606 | if (lines < 0) { |
607 | while (lines < 0) { |
608 | line = delpos234(screen, botline); |
2371caac |
609 | line = resizeline(line, cols); |
4facdf84 |
610 | for (i = 0; i < cols; i++) |
32874aea |
611 | line[i + 1] = erase_char; |
612 | line[cols + 1] = 0; |
4facdf84 |
613 | addpos234(screen, line, topline); |
614 | |
615 | if (selstart.y >= topline && selstart.y <= botline) { |
616 | selstart.y++; |
617 | if (selstart.y > botline) { |
618 | selstart.y = botline; |
619 | selstart.x = 0; |
c9def1b8 |
620 | } |
c9def1b8 |
621 | } |
4facdf84 |
622 | if (selend.y >= topline && selend.y <= botline) { |
623 | selend.y++; |
624 | if (selend.y > botline) { |
625 | selend.y = botline; |
626 | selend.x = 0; |
c9def1b8 |
627 | } |
c9def1b8 |
628 | } |
c9def1b8 |
629 | |
4facdf84 |
630 | lines++; |
c9def1b8 |
631 | } |
374330e2 |
632 | } else { |
4facdf84 |
633 | while (lines > 0) { |
634 | line = delpos234(screen, topline); |
c83de303 |
635 | if (sb && savelines > 0) { |
4facdf84 |
636 | int sblen = count234(scrollback); |
637 | /* |
638 | * We must add this line to the scrollback. We'll |
639 | * remove a line from the top of the scrollback to |
640 | * replace it, or allocate a new one if the |
641 | * scrollback isn't full. |
642 | */ |
c83de303 |
643 | if (sblen == savelines) { |
4facdf84 |
644 | sblen--, line2 = delpos234(scrollback, 0); |
c83de303 |
645 | } else { |
32874aea |
646 | line2 = smalloc(TSIZE * (cols + 2)); |
c83de303 |
647 | line2[0] = cols; |
648 | } |
4facdf84 |
649 | addpos234(scrollback, line, sblen); |
650 | line = line2; |
a792432e |
651 | |
652 | /* |
653 | * If the user is currently looking at part of the |
654 | * scrollback, and they haven't enabled any options |
655 | * that are going to reset the scrollback as a |
656 | * result of this movement, then the chances are |
657 | * they'd like to keep looking at the same line. So |
658 | * we move their viewpoint at the same rate as the |
659 | * scroll, at least until their viewpoint hits the |
660 | * top end of the scrollback buffer, at which point |
661 | * we don't have the choice any more. |
662 | * |
663 | * Thanks to Jan Holmen Holsten for the idea and |
664 | * initial implementation. |
665 | */ |
666 | if (disptop > -savelines && disptop < 0) |
667 | disptop--; |
4facdf84 |
668 | } |
2371caac |
669 | line = resizeline(line, cols); |
4facdf84 |
670 | for (i = 0; i < cols; i++) |
32874aea |
671 | line[i + 1] = erase_char; |
672 | line[cols + 1] = 0; |
4facdf84 |
673 | addpos234(screen, line, botline); |
674 | |
a792432e |
675 | /* |
676 | * If the selection endpoints move into the scrollback, |
677 | * we keep them moving until they hit the top. However, |
678 | * of course, if the line _hasn't_ moved into the |
679 | * scrollback then we don't do this, and cut them off |
680 | * at the top of the scroll region. |
d48db8b4 |
681 | * |
682 | * This applies to selstart and selend (for an existing |
683 | * selection), and also selanchor (for one being |
684 | * selected as we speak). |
a792432e |
685 | */ |
c2ed03b2 |
686 | seltop = sb ? -savelines : topline; |
a792432e |
687 | |
688 | if (selstart.y >= seltop && selstart.y <= botline) { |
4facdf84 |
689 | selstart.y--; |
a792432e |
690 | if (selstart.y < seltop) { |
691 | selstart.y = seltop; |
4facdf84 |
692 | selstart.x = 0; |
693 | } |
694 | } |
a792432e |
695 | if (selend.y >= seltop && selend.y <= botline) { |
4facdf84 |
696 | selend.y--; |
a792432e |
697 | if (selend.y < seltop) { |
698 | selend.y = seltop; |
4facdf84 |
699 | selend.x = 0; |
700 | } |
701 | } |
d48db8b4 |
702 | if (selanchor.y >= seltop && selanchor.y <= botline) { |
703 | selanchor.y--; |
704 | if (selanchor.y < seltop) { |
705 | selanchor.y = seltop; |
706 | selanchor.x = 0; |
707 | } |
708 | } |
4facdf84 |
709 | |
710 | lines--; |
c9def1b8 |
711 | } |
374330e2 |
712 | } |
374330e2 |
713 | } |
714 | |
715 | /* |
716 | * Move the cursor to a given position, clipping at boundaries. We |
717 | * may or may not want to clip at the scroll margin: marg_clip is 0 |
718 | * not to, 1 to disallow _passing_ the margins, and 2 to disallow |
719 | * even _being_ outside the margins. |
720 | */ |
32874aea |
721 | static void move(int x, int y, int marg_clip) |
722 | { |
374330e2 |
723 | if (x < 0) |
724 | x = 0; |
725 | if (x >= cols) |
32874aea |
726 | x = cols - 1; |
374330e2 |
727 | if (marg_clip) { |
4facdf84 |
728 | if ((curs.y >= marg_t || marg_clip == 2) && y < marg_t) |
374330e2 |
729 | y = marg_t; |
4facdf84 |
730 | if ((curs.y <= marg_b || marg_clip == 2) && y > marg_b) |
374330e2 |
731 | y = marg_b; |
732 | } |
733 | if (y < 0) |
734 | y = 0; |
735 | if (y >= rows) |
32874aea |
736 | y = rows - 1; |
4facdf84 |
737 | curs.x = x; |
738 | curs.y = y; |
374330e2 |
739 | fix_cpos; |
740 | wrapnext = FALSE; |
741 | } |
742 | |
743 | /* |
744 | * Save or restore the cursor and SGR mode. |
745 | */ |
32874aea |
746 | static void save_cursor(int save) |
747 | { |
374330e2 |
748 | if (save) { |
4facdf84 |
749 | savecurs = curs; |
374330e2 |
750 | save_attr = curr_attr; |
751 | save_cset = cset; |
8f22582c |
752 | save_utf = utf; |
374330e2 |
753 | save_csattr = cset_attr[cset]; |
d3cb5465 |
754 | save_sco_acs = sco_acs; |
374330e2 |
755 | } else { |
4facdf84 |
756 | curs = savecurs; |
c9def1b8 |
757 | /* Make sure the window hasn't shrunk since the save */ |
32874aea |
758 | if (curs.x >= cols) |
759 | curs.x = cols - 1; |
760 | if (curs.y >= rows) |
761 | curs.y = rows - 1; |
c9def1b8 |
762 | |
374330e2 |
763 | curr_attr = save_attr; |
764 | cset = save_cset; |
8f22582c |
765 | utf = save_utf; |
374330e2 |
766 | cset_attr[cset] = save_csattr; |
d3cb5465 |
767 | sco_acs = save_sco_acs; |
374330e2 |
768 | fix_cpos; |
32874aea |
769 | if (use_bce) |
8f22582c |
770 | erase_char = (' ' | ATTR_ASCII | |
771 | (curr_attr & (ATTR_FGMASK | ATTR_BGMASK))); |
374330e2 |
772 | } |
773 | } |
774 | |
775 | /* |
776 | * Erase a large portion of the screen: the whole screen, or the |
777 | * whole line, or parts thereof. |
778 | */ |
32874aea |
779 | static void erase_lots(int line_only, int from_begin, int to_end) |
780 | { |
260f3dec |
781 | pos start, end; |
4facdf84 |
782 | int erase_lattr; |
783 | unsigned long *ldata; |
374330e2 |
784 | |
785 | if (line_only) { |
4facdf84 |
786 | start.y = curs.y; |
787 | start.x = 0; |
788 | end.y = curs.y + 1; |
789 | end.x = 0; |
790 | erase_lattr = FALSE; |
374330e2 |
791 | } else { |
4facdf84 |
792 | start.y = 0; |
793 | start.x = 0; |
794 | end.y = rows; |
795 | end.x = 0; |
796 | erase_lattr = TRUE; |
797 | } |
798 | if (!from_begin) { |
799 | start = curs; |
374330e2 |
800 | } |
4facdf84 |
801 | if (!to_end) { |
802 | end = curs; |
2a6dfe0e |
803 | incpos(end); |
4facdf84 |
804 | } |
32874aea |
805 | check_selection(start, end); |
e14a5a13 |
806 | |
807 | /* Clear screen also forces a full window redraw, just in case. */ |
4facdf84 |
808 | if (start.y == 0 && start.x == 0 && end.y == rows) |
32874aea |
809 | term_invalidate(); |
e14a5a13 |
810 | |
4facdf84 |
811 | ldata = lineptr(start.y); |
812 | while (poslt(start, end)) { |
cfbeddf3 |
813 | if (start.x == cols && !erase_lattr) |
4eeb7d09 |
814 | ldata[start.x] &= ~LATTR_WRAPPED; |
4facdf84 |
815 | else |
816 | ldata[start.x] = erase_char; |
c83de303 |
817 | if (incpos(start) && start.y < rows) |
4facdf84 |
818 | ldata = lineptr(start.y); |
819 | } |
374330e2 |
820 | } |
821 | |
822 | /* |
823 | * Insert or delete characters within the current line. n is +ve if |
824 | * insertion is desired, and -ve for deletion. |
825 | */ |
32874aea |
826 | static void insch(int n) |
827 | { |
374330e2 |
828 | int dir = (n < 0 ? -1 : +1); |
829 | int m; |
4facdf84 |
830 | pos cursplus; |
831 | unsigned long *ldata; |
374330e2 |
832 | |
833 | n = (n < 0 ? -n : n); |
4facdf84 |
834 | if (n > cols - curs.x) |
835 | n = cols - curs.x; |
836 | m = cols - curs.x - n; |
837 | cursplus.y = curs.y; |
838 | cursplus.x = curs.x + n; |
32874aea |
839 | check_selection(curs, cursplus); |
4facdf84 |
840 | ldata = lineptr(curs.y); |
374330e2 |
841 | if (dir < 0) { |
32874aea |
842 | memmove(ldata + curs.x, ldata + curs.x + n, m * TSIZE); |
374330e2 |
843 | while (n--) |
4facdf84 |
844 | ldata[curs.x + m++] = erase_char; |
374330e2 |
845 | } else { |
32874aea |
846 | memmove(ldata + curs.x + n, ldata + curs.x, m * TSIZE); |
374330e2 |
847 | while (n--) |
4facdf84 |
848 | ldata[curs.x + n] = erase_char; |
374330e2 |
849 | } |
850 | } |
851 | |
852 | /* |
853 | * Toggle terminal mode `mode' to state `state'. (`query' indicates |
854 | * whether the mode is a DEC private one or a normal one.) |
855 | */ |
32874aea |
856 | static void toggle_mode(int mode, int query, int state) |
857 | { |
286c6b86 |
858 | unsigned long ticks; |
01c034ad |
859 | |
32874aea |
860 | if (query) |
861 | switch (mode) { |
862 | case 1: /* application cursor keys */ |
863 | app_cursor_keys = state; |
864 | break; |
865 | case 2: /* VT52 mode */ |
866 | vt52_mode = !state; |
4eeb7d09 |
867 | if (vt52_mode) { |
868 | blink_is_real = FALSE; |
869 | vt52_bold = FALSE; |
870 | } else { |
871 | blink_is_real = cfg.blinktext; |
872 | } |
32874aea |
873 | break; |
874 | case 3: /* 80/132 columns */ |
875 | deselect(); |
5a73255e |
876 | request_resize(state ? 132 : 80, rows); |
32874aea |
877 | reset_132 = state; |
878 | break; |
879 | case 5: /* reverse video */ |
880 | /* |
881 | * Toggle reverse video. If we receive an OFF within the |
882 | * visual bell timeout period after an ON, we trigger an |
883 | * effective visual bell, so that ESC[?5hESC[?5l will |
884 | * always be an actually _visible_ visual bell. |
885 | */ |
886 | ticks = GetTickCount(); |
286c6b86 |
887 | /* turn off a previous vbell to avoid inconsistencies */ |
888 | if (ticks - vbell_startpoint >= VBELL_TIMEOUT) |
889 | in_vbell = FALSE; |
890 | if (rvideo && !state && /* we're turning it off... */ |
891 | (ticks - rvbell_startpoint) < VBELL_TIMEOUT) { /* ...soon */ |
892 | /* If there's no vbell timeout already, or this one lasts |
893 | * longer, replace vbell_timeout with ours. */ |
894 | if (!in_vbell || |
895 | (rvbell_startpoint - vbell_startpoint < VBELL_TIMEOUT)) |
896 | vbell_startpoint = rvbell_startpoint; |
32874aea |
897 | in_vbell = TRUE; /* we may clear rvideo but we set in_vbell */ |
32874aea |
898 | } else if (!rvideo && state) { |
899 | /* This is an ON, so we notice the time and save it. */ |
286c6b86 |
900 | rvbell_startpoint = ticks; |
32874aea |
901 | } |
902 | rvideo = state; |
903 | seen_disp_event = TRUE; |
904 | if (state) |
905 | term_update(); |
906 | break; |
907 | case 6: /* DEC origin mode */ |
908 | dec_om = state; |
909 | break; |
910 | case 7: /* auto wrap */ |
911 | wrap = state; |
912 | break; |
913 | case 8: /* auto key repeat */ |
914 | repeat_off = !state; |
915 | break; |
916 | case 10: /* set local edit mode */ |
917 | 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); |
922 | cursor_on = state; |
923 | seen_disp_event = TRUE; |
924 | break; |
925 | case 47: /* alternate screen */ |
926 | compatibility(OTHER); |
927 | deselect(); |
928 | swap_screen(state); |
929 | disptop = 0; |
930 | break; |
931 | case 1000: /* xterm mouse 1 */ |
932 | xterm_mouse = state ? 1 : 0; |
933 | set_raw_mouse_mode(state); |
934 | break; |
935 | case 1002: /* xterm mouse 2 */ |
936 | xterm_mouse = state ? 2 : 0; |
937 | set_raw_mouse_mode(state); |
938 | break; |
939 | } else |
940 | switch (mode) { |
941 | case 4: /* set insert mode */ |
942 | compatibility(VT102); |
943 | insert = state; |
944 | break; |
945 | case 12: /* set echo mode */ |
946 | term_echoing = !state; |
760e88b2 |
947 | ldisc_send(NULL, 0, 0); /* cause ldisc to notice changes */ |
32874aea |
948 | break; |
949 | case 20: /* Return sends ... */ |
950 | cr_lf_return = state; |
951 | break; |
4eeb7d09 |
952 | case 34: /* Make cursor BIG */ |
953 | compatibility2(OTHER, VT220); |
954 | big_cursor = !state; |
7594731b |
955 | } |
374330e2 |
956 | } |
957 | |
958 | /* |
959 | * Process an OSC sequence: set window title or icon name. |
960 | */ |
32874aea |
961 | static void do_osc(void) |
962 | { |
374330e2 |
963 | if (osc_w) { |
964 | while (osc_strlen--) |
32874aea |
965 | wordness[(unsigned char) osc_string[osc_strlen]] = esc_args[0]; |
374330e2 |
966 | } else { |
967 | osc_string[osc_strlen] = '\0'; |
968 | switch (esc_args[0]) { |
969 | case 0: |
970 | case 1: |
32874aea |
971 | set_icon(osc_string); |
374330e2 |
972 | if (esc_args[0] == 1) |
973 | break; |
974 | /* fall through: parameter 0 means set both */ |
975 | case 2: |
976 | case 21: |
32874aea |
977 | set_title(osc_string); |
374330e2 |
978 | break; |
979 | } |
980 | } |
981 | } |
982 | |
983 | /* |
984 | * Remove everything currently in `inbuf' and stick it up on the |
985 | * in-memory display. There's a big state machine in here to |
986 | * process escape sequences... |
987 | */ |
32874aea |
988 | void term_out(void) |
989 | { |
a748a096 |
990 | int c, unget; |
991 | unsigned char localbuf[256], *chars; |
992 | int nchars = 0; |
993 | |
994 | unget = -1; |
995 | |
996 | while (nchars > 0 || bufchain_size(&inbuf) > 0) { |
997 | if (unget == -1) { |
998 | if (nchars == 0) { |
999 | void *ret; |
1000 | bufchain_prefix(&inbuf, &ret, &nchars); |
1001 | if (nchars > sizeof(localbuf)) |
1002 | nchars = sizeof(localbuf); |
1003 | memcpy(localbuf, ret, nchars); |
1004 | bufchain_consume(&inbuf, nchars); |
1005 | chars = localbuf; |
1006 | assert(chars != NULL); |
1007 | } |
1008 | c = *chars++; |
1009 | nchars--; |
c9def1b8 |
1010 | |
a748a096 |
1011 | /* |
1012 | * Optionally log the session traffic to a file. Useful for |
1013 | * debugging and possibly also useful for actual logging. |
1014 | */ |
1015 | if (cfg.logtype == LGTYP_DEBUG) |
f4e49163 |
1016 | logtraffic((unsigned char) c, LGTYP_DEBUG); |
a748a096 |
1017 | } else { |
1018 | c = unget; |
1019 | unget = -1; |
5a16642f |
1020 | } |
1021 | |
e14a5a13 |
1022 | /* Note only VT220+ are 8-bit VT102 is seven bit, it shouldn't even |
1023 | * be able to display 8-bit characters, but I'll let that go 'cause |
1024 | * of i18n. |
1025 | */ |
4eeb7d09 |
1026 | |
1027 | /* First see about all those translations. */ |
1028 | if (termstate == TOPLEVEL) { |
8f22582c |
1029 | if (in_utf) |
4eeb7d09 |
1030 | switch (utf_state) { |
1031 | case 0: |
1032 | if (c < 0x80) { |
8f22582c |
1033 | /* UTF-8 must be stateless so we ignore iso2022. */ |
1034 | if (unitab_ctrl[c] != 0xFF) |
1035 | c = unitab_ctrl[c]; |
1036 | else c = ((unsigned char)c) | ATTR_ASCII; |
1037 | break; |
4eeb7d09 |
1038 | } else if ((c & 0xe0) == 0xc0) { |
1039 | utf_size = utf_state = 1; |
1040 | utf_char = (c & 0x1f); |
1041 | } else if ((c & 0xf0) == 0xe0) { |
1042 | utf_size = utf_state = 2; |
1043 | utf_char = (c & 0x0f); |
1044 | } else if ((c & 0xf8) == 0xf0) { |
1045 | utf_size = utf_state = 3; |
1046 | utf_char = (c & 0x07); |
1047 | } else if ((c & 0xfc) == 0xf8) { |
1048 | utf_size = utf_state = 4; |
1049 | utf_char = (c & 0x03); |
1050 | } else if ((c & 0xfe) == 0xfc) { |
1051 | utf_size = utf_state = 5; |
1052 | utf_char = (c & 0x01); |
1053 | } else { |
1054 | c = UCSERR; |
1055 | break; |
1056 | } |
1057 | continue; |
1058 | case 1: |
1059 | case 2: |
1060 | case 3: |
1061 | case 4: |
1062 | case 5: |
1063 | if ((c & 0xC0) != 0x80) { |
a748a096 |
1064 | unget = c; |
5a16642f |
1065 | c = UCSERR; |
1066 | utf_state = 0; |
4eeb7d09 |
1067 | break; |
1068 | } |
1069 | utf_char = (utf_char << 6) | (c & 0x3f); |
1070 | if (--utf_state) |
1071 | continue; |
1072 | |
1073 | c = utf_char; |
1074 | |
1075 | /* Is somebody trying to be evil! */ |
1076 | if (c < 0x80 || |
1077 | (c < 0x800 && utf_size >= 2) || |
1078 | (c < 0x10000 && utf_size >= 3) || |
1079 | (c < 0x200000 && utf_size >= 4) || |
1080 | (c < 0x4000000 && utf_size >= 5)) |
1081 | c = UCSERR; |
1082 | |
1083 | /* Unicode line separator and paragraph separator are CR-LF */ |
1084 | if (c == 0x2028 || c == 0x2029) |
1085 | c = 0x85; |
1086 | |
1087 | /* High controls are probably a Baaad idea too. */ |
1088 | if (c < 0xA0) |
1089 | c = 0xFFFD; |
1090 | |
1091 | /* The UTF-16 surrogates are not nice either. */ |
1092 | /* The standard give the option of decoding these: |
1093 | * I don't want to! */ |
1094 | if (c >= 0xD800 && c < 0xE000) |
1095 | c = UCSERR; |
1096 | |
1097 | /* ISO 10646 characters now limited to UTF-16 range. */ |
1098 | if (c > 0x10FFFF) |
1099 | c = UCSERR; |
1100 | |
1101 | /* This is currently a TagPhobic application.. */ |
1102 | if (c >= 0xE0000 && c <= 0xE007F) |
1103 | continue; |
1104 | |
1105 | /* U+FEFF is best seen as a null. */ |
1106 | if (c == 0xFEFF) |
1107 | continue; |
1108 | /* But U+FFFE is an error. */ |
1109 | if (c == 0xFFFE || c == 0xFFFF) |
1110 | c = UCSERR; |
1111 | |
1112 | /* Oops this is a 16bit implementation */ |
1113 | if (c >= 0x10000) |
1114 | c = 0xFFFD; |
1115 | break; |
d3cb5465 |
1116 | } |
1117 | /* Are we in the nasty ACS mode? Note: no sco in utf mode. */ |
1118 | else if(sco_acs && |
1119 | (c!='\033' && c!='\n' && c!='\r' && c!='\b')) |
1120 | { |
1121 | if (sco_acs == 2) c ^= 0x80; |
1122 | c |= ATTR_SCOACS; |
4eeb7d09 |
1123 | } else { |
4eeb7d09 |
1124 | switch (cset_attr[cset]) { |
1125 | /* |
1126 | * Linedraw characters are different from 'ESC ( B' |
1127 | * only for a small range. For ones outside that |
1128 | * range, make sure we use the same font as well as |
1129 | * the same encoding. |
1130 | */ |
1131 | case ATTR_LINEDRW: |
1132 | if (unitab_ctrl[c] != 0xFF) |
1133 | c = unitab_ctrl[c]; |
1134 | else |
1135 | c = ((unsigned char) c) | ATTR_LINEDRW; |
1136 | break; |
1137 | |
1138 | case ATTR_GBCHR: |
1139 | /* If UK-ASCII, make the '#' a LineDraw Pound */ |
1140 | if (c == '#') { |
1141 | c = '}' | ATTR_LINEDRW; |
1142 | break; |
1143 | } |
1144 | /*FALLTHROUGH*/ case ATTR_ASCII: |
1145 | if (unitab_ctrl[c] != 0xFF) |
1146 | c = unitab_ctrl[c]; |
1147 | else |
1148 | c = ((unsigned char) c) | ATTR_ASCII; |
1149 | break; |
d3cb5465 |
1150 | case ATTR_SCOACS: |
1151 | if (c>=' ') c = ((unsigned char)c) | ATTR_SCOACS; |
1152 | break; |
4eeb7d09 |
1153 | } |
1154 | } |
1155 | } |
1156 | |
1157 | /* How about C1 controls ? */ |
1158 | if ((c & -32) == 0x80 && termstate < DO_CTRLS && !vt52_mode && |
1159 | has_compat(VT220)) { |
1160 | termstate = SEEN_ESC; |
1161 | esc_query = FALSE; |
1162 | c = '@' + (c & 0x1F); |
1163 | } |
1164 | |
1165 | /* Or the GL control. */ |
1166 | if (c == '\177' && termstate < DO_CTRLS && has_compat(OTHER)) { |
1167 | if (curs.x && !wrapnext) |
1168 | curs.x--; |
1169 | wrapnext = FALSE; |
1170 | fix_cpos; |
1171 | *cpos = (' ' | curr_attr | ATTR_ASCII); |
1172 | } else |
1173 | /* Or normal C0 controls. */ |
1174 | if ((c & -32) == 0 && termstate < DO_CTRLS) { |
374330e2 |
1175 | switch (c) { |
1176 | case '\005': /* terminal type query */ |
e14a5a13 |
1177 | /* Strictly speaking this is VT100 but a VT100 defaults to |
1178 | * no response. Other terminals respond at their option. |
1179 | * |
1180 | * Don't put a CR in the default string as this tends to |
1181 | * upset some weird software. |
1182 | * |
1183 | * An xterm returns "xterm" (5 characters) |
1184 | */ |
32874aea |
1185 | compatibility(ANSIMIN); |
e7fbcdd8 |
1186 | { |
1187 | char abuf[256], *s, *d; |
32874aea |
1188 | int state = 0; |
1189 | for (s = cfg.answerback, d = abuf; *s; s++) { |
1190 | if (state) { |
1191 | if (*s >= 'a' && *s <= 'z') |
1192 | *d++ = (*s - ('a' - 1)); |
1193 | else if ((*s >= '@' && *s <= '_') || |
1194 | *s == '?' || (*s & 0x80)) |
1195 | *d++ = ('@' ^ *s); |
1196 | else if (*s == '~') |
1197 | *d++ = '^'; |
1198 | state = 0; |
1199 | } else if (*s == '^') { |
1200 | state = 1; |
1201 | } else |
4eeb7d09 |
1202 | *d++ = *s; |
e7fbcdd8 |
1203 | } |
760e88b2 |
1204 | lpage_send(CP_ACP, abuf, d - abuf, 0); |
e7fbcdd8 |
1205 | } |
374330e2 |
1206 | break; |
1207 | case '\007': |
156686ef |
1208 | { |
1209 | struct beeptime *newbeep; |
286c6b86 |
1210 | unsigned long ticks; |
156686ef |
1211 | |
1212 | ticks = GetTickCount(); |
156686ef |
1213 | |
1214 | if (!beep_overloaded) { |
1215 | newbeep = smalloc(sizeof(struct beeptime)); |
1216 | newbeep->ticks = ticks; |
1217 | newbeep->next = NULL; |
1218 | if (!beephead) |
1219 | beephead = newbeep; |
1220 | else |
1221 | beeptail->next = newbeep; |
1222 | beeptail = newbeep; |
1223 | nbeeps++; |
1224 | } |
1225 | |
1226 | /* |
1227 | * Throw out any beeps that happened more than |
1228 | * t seconds ago. |
1229 | */ |
1230 | while (beephead && |
7f4968e6 |
1231 | beephead->ticks < ticks - cfg.bellovl_t) { |
156686ef |
1232 | struct beeptime *tmp = beephead; |
1233 | beephead = tmp->next; |
156686ef |
1234 | sfree(tmp); |
1235 | if (!beephead) |
1236 | beeptail = NULL; |
1237 | nbeeps--; |
1238 | } |
1239 | |
1240 | if (cfg.bellovl && beep_overloaded && |
286c6b86 |
1241 | ticks - lastbeep >= (unsigned)cfg.bellovl_s) { |
156686ef |
1242 | /* |
1243 | * If we're currently overloaded and the |
1244 | * last beep was more than s seconds ago, |
1245 | * leave overload mode. |
1246 | */ |
156686ef |
1247 | beep_overloaded = FALSE; |
1248 | } else if (cfg.bellovl && !beep_overloaded && |
1249 | nbeeps >= cfg.bellovl_n) { |
1250 | /* |
1251 | * Now, if we have n or more beeps |
1252 | * remaining in the queue, go into overload |
1253 | * mode. |
1254 | */ |
156686ef |
1255 | beep_overloaded = TRUE; |
1256 | } |
1257 | lastbeep = ticks; |
1258 | |
1259 | /* |
1260 | * Perform an actual beep if we're not overloaded. |
1261 | */ |
f8a28d1f |
1262 | if (!cfg.bellovl || !beep_overloaded) { |
1263 | beep(cfg.beep); |
1264 | if (cfg.beep == BELL_VISUAL) { |
156686ef |
1265 | in_vbell = TRUE; |
286c6b86 |
1266 | vbell_startpoint = ticks; |
156686ef |
1267 | term_update(); |
1268 | } |
1269 | } |
4facdf84 |
1270 | disptop = 0; |
156686ef |
1271 | } |
374330e2 |
1272 | break; |
1273 | case '\b': |
967a161e |
1274 | if (curs.x == 0 && (curs.y == 0 || wrap == 0)); |
4facdf84 |
1275 | else if (curs.x == 0 && curs.y > 0) |
32874aea |
1276 | curs.x = cols - 1, curs.y--; |
374330e2 |
1277 | else if (wrapnext) |
1278 | wrapnext = FALSE; |
1279 | else |
4facdf84 |
1280 | curs.x--; |
374330e2 |
1281 | fix_cpos; |
cabfd08c |
1282 | seen_disp_event = TRUE; |
374330e2 |
1283 | break; |
1284 | case '\016': |
32874aea |
1285 | compatibility(VT100); |
374330e2 |
1286 | cset = 1; |
1287 | break; |
1288 | case '\017': |
32874aea |
1289 | compatibility(VT100); |
374330e2 |
1290 | cset = 0; |
1291 | break; |
1292 | case '\033': |
32874aea |
1293 | if (vt52_mode) |
1294 | termstate = VT52_ESC; |
e14a5a13 |
1295 | else { |
1296 | compatibility(ANSIMIN); |
1297 | termstate = SEEN_ESC; |
4eeb7d09 |
1298 | esc_query = FALSE; |
e14a5a13 |
1299 | } |
374330e2 |
1300 | break; |
374330e2 |
1301 | case '\r': |
4facdf84 |
1302 | curs.x = 0; |
374330e2 |
1303 | wrapnext = FALSE; |
1304 | fix_cpos; |
cabfd08c |
1305 | seen_disp_event = TRUE; |
c9def1b8 |
1306 | paste_hold = 0; |
32874aea |
1307 | logtraffic((unsigned char) c, LGTYP_ASCII); |
374330e2 |
1308 | break; |
374330e2 |
1309 | case '\014': |
1a837633 |
1310 | if (has_compat(SCOANSI)) { |
1311 | move(0, 0, 0); |
1312 | erase_lots(FALSE, FALSE, TRUE); |
1313 | disptop = 0; |
1314 | wrapnext = FALSE; |
1315 | seen_disp_event = 1; |
1316 | break; |
1317 | } |
1318 | case '\013': |
32874aea |
1319 | compatibility(VT100); |
374330e2 |
1320 | case '\n': |
4facdf84 |
1321 | if (curs.y == marg_b) |
32874aea |
1322 | scroll(marg_t, marg_b, 1, TRUE); |
1323 | else if (curs.y < rows - 1) |
4facdf84 |
1324 | curs.y++; |
cabfd08c |
1325 | if (cfg.lfhascr) |
4facdf84 |
1326 | curs.x = 0; |
374330e2 |
1327 | fix_cpos; |
1328 | wrapnext = FALSE; |
cabfd08c |
1329 | seen_disp_event = 1; |
c9def1b8 |
1330 | paste_hold = 0; |
32874aea |
1331 | logtraffic((unsigned char) c, LGTYP_ASCII); |
374330e2 |
1332 | break; |
1333 | case '\t': |
374330e2 |
1334 | { |
4facdf84 |
1335 | pos old_curs = curs; |
1336 | unsigned long *ldata = lineptr(curs.y); |
c9def1b8 |
1337 | |
1338 | do { |
4facdf84 |
1339 | curs.x++; |
32874aea |
1340 | } while (curs.x < cols - 1 && !tabs[curs.x]); |
c9def1b8 |
1341 | |
32874aea |
1342 | if ((ldata[cols] & LATTR_MODE) != LATTR_NORM) { |
1343 | if (curs.x >= cols / 2) |
1344 | curs.x = cols / 2 - 1; |
1345 | } else { |
4facdf84 |
1346 | if (curs.x >= cols) |
32874aea |
1347 | curs.x = cols - 1; |
c9def1b8 |
1348 | } |
1349 | |
374330e2 |
1350 | fix_cpos; |
32874aea |
1351 | check_selection(old_curs, curs); |
374330e2 |
1352 | } |
cabfd08c |
1353 | seen_disp_event = TRUE; |
374330e2 |
1354 | break; |
cabfd08c |
1355 | } |
32874aea |
1356 | } else |
1357 | switch (termstate) { |
1358 | case TOPLEVEL: |
1359 | /* Only graphic characters get this far, ctrls are stripped above */ |
1360 | if (wrapnext && wrap) { |
4eeb7d09 |
1361 | cpos[1] |= LATTR_WRAPPED; |
32874aea |
1362 | if (curs.y == marg_b) |
1363 | scroll(marg_t, marg_b, 1, TRUE); |
1364 | else if (curs.y < rows - 1) |
1365 | curs.y++; |
1366 | curs.x = 0; |
1367 | fix_cpos; |
1368 | wrapnext = FALSE; |
374330e2 |
1369 | } |
32874aea |
1370 | if (insert) |
1371 | insch(1); |
1372 | if (selstate != NO_SELECTION) { |
1373 | pos cursplus = curs; |
1374 | incpos(cursplus); |
1375 | check_selection(curs, cursplus); |
374330e2 |
1376 | } |
4eeb7d09 |
1377 | if ((c & CSET_MASK) == ATTR_ASCII || (c & CSET_MASK) == 0) |
1378 | logtraffic((unsigned char) c, LGTYP_ASCII); |
1379 | { |
1380 | extern int wcwidth(wchar_t ucs); |
1381 | int width = 0; |
1382 | if (DIRECT_CHAR(c)) |
1383 | width = 1; |
1384 | if (!width) |
1385 | width = wcwidth((wchar_t) c); |
1386 | switch (width) { |
1387 | case 2: |
5a73255e |
1388 | *cpos++ = c | curr_attr; |
1389 | if (++curs.x == cols) { |
1390 | *cpos |= LATTR_WRAPPED; |
1391 | if (curs.y == marg_b) |
1392 | scroll(marg_t, marg_b, 1, TRUE); |
1393 | else if (curs.y < rows - 1) |
1394 | curs.y++; |
1395 | curs.x = 0; |
1396 | fix_cpos; |
4eeb7d09 |
1397 | } |
5a73255e |
1398 | *cpos++ = UCSWIDE | curr_attr; |
1399 | break; |
4eeb7d09 |
1400 | case 1: |
1401 | *cpos++ = c | curr_attr; |
32874aea |
1402 | break; |
4eeb7d09 |
1403 | default: |
1404 | continue; |
32874aea |
1405 | } |
374330e2 |
1406 | } |
32874aea |
1407 | curs.x++; |
1408 | if (curs.x == cols) { |
1409 | cpos--; |
1410 | curs.x--; |
1411 | wrapnext = TRUE; |
4eeb7d09 |
1412 | if (wrap && vt52_mode) { |
1413 | cpos[1] |= LATTR_WRAPPED; |
1414 | if (curs.y == marg_b) |
1415 | scroll(marg_t, marg_b, 1, TRUE); |
1416 | else if (curs.y < rows - 1) |
1417 | curs.y++; |
1418 | curs.x = 0; |
1419 | fix_cpos; |
1420 | wrapnext = FALSE; |
1421 | } |
e14a5a13 |
1422 | } |
32874aea |
1423 | seen_disp_event = 1; |
374330e2 |
1424 | break; |
32874aea |
1425 | |
32874aea |
1426 | case OSC_MAYBE_ST: |
1427 | /* |
1428 | * This state is virtually identical to SEEN_ESC, with the |
1429 | * exception that we have an OSC sequence in the pipeline, |
1430 | * and _if_ we see a backslash, we process it. |
1431 | */ |
1432 | if (c == '\\') { |
1433 | do_osc(); |
1434 | termstate = TOPLEVEL; |
1435 | break; |
e14a5a13 |
1436 | } |
32874aea |
1437 | /* else fall through */ |
1438 | case SEEN_ESC: |
4eeb7d09 |
1439 | if (c >= ' ' && c <= '/') { |
1440 | if (esc_query) |
1441 | esc_query = -1; |
1442 | else |
1443 | esc_query = c; |
32874aea |
1444 | break; |
4eeb7d09 |
1445 | } |
1446 | termstate = TOPLEVEL; |
1447 | switch (ANSI(c, esc_query)) { |
32874aea |
1448 | case '[': /* enter CSI mode */ |
1449 | termstate = SEEN_CSI; |
1450 | esc_nargs = 1; |
1451 | esc_args[0] = ARG_DEFAULT; |
1452 | esc_query = FALSE; |
1453 | break; |
1454 | case ']': /* xterm escape sequences */ |
1455 | /* Compatibility is nasty here, xterm, linux, decterm yuk! */ |
1456 | compatibility(OTHER); |
1457 | termstate = SEEN_OSC; |
1458 | esc_args[0] = 0; |
1459 | break; |
32874aea |
1460 | case '7': /* save cursor */ |
1461 | compatibility(VT100); |
1462 | save_cursor(TRUE); |
1463 | break; |
1464 | case '8': /* restore cursor */ |
1465 | compatibility(VT100); |
1466 | save_cursor(FALSE); |
1467 | seen_disp_event = TRUE; |
1468 | break; |
1469 | case '=': |
1470 | compatibility(VT100); |
1471 | app_keypad_keys = TRUE; |
1472 | break; |
1473 | case '>': |
1474 | compatibility(VT100); |
1475 | app_keypad_keys = FALSE; |
1476 | break; |
1477 | case 'D': /* exactly equivalent to LF */ |
1478 | compatibility(VT100); |
1479 | if (curs.y == marg_b) |
1480 | scroll(marg_t, marg_b, 1, TRUE); |
1481 | else if (curs.y < rows - 1) |
1482 | curs.y++; |
1483 | fix_cpos; |
1484 | wrapnext = FALSE; |
1485 | seen_disp_event = TRUE; |
1486 | break; |
1487 | case 'E': /* exactly equivalent to CR-LF */ |
1488 | compatibility(VT100); |
1489 | curs.x = 0; |
1490 | if (curs.y == marg_b) |
1491 | scroll(marg_t, marg_b, 1, TRUE); |
1492 | else if (curs.y < rows - 1) |
1493 | curs.y++; |
1494 | fix_cpos; |
1495 | wrapnext = FALSE; |
1496 | seen_disp_event = TRUE; |
1497 | break; |
1498 | case 'M': /* reverse index - backwards LF */ |
1499 | compatibility(VT100); |
1500 | if (curs.y == marg_t) |
1501 | scroll(marg_t, marg_b, -1, TRUE); |
1502 | else if (curs.y > 0) |
1503 | curs.y--; |
1504 | fix_cpos; |
1505 | wrapnext = FALSE; |
1506 | seen_disp_event = TRUE; |
1507 | break; |
1508 | case 'Z': /* terminal type query */ |
1509 | compatibility(VT100); |
760e88b2 |
1510 | ldisc_send(id_string, strlen(id_string), 0); |
32874aea |
1511 | break; |
1512 | case 'c': /* restore power-on settings */ |
1513 | compatibility(VT100); |
1514 | power_on(); |
1515 | if (reset_132) { |
5a73255e |
1516 | request_resize(80, rows); |
32874aea |
1517 | reset_132 = 0; |
374330e2 |
1518 | } |
32874aea |
1519 | fix_cpos; |
1520 | disptop = 0; |
1521 | seen_disp_event = TRUE; |
1522 | break; |
32874aea |
1523 | case 'H': /* set a tab */ |
1524 | compatibility(VT100); |
1525 | tabs[curs.x] = TRUE; |
1526 | break; |
4eeb7d09 |
1527 | |
1528 | case ANSI('8', '#'): /* ESC # 8 fills screen with Es :-) */ |
1529 | compatibility(VT100); |
1530 | { |
1531 | unsigned long *ldata; |
1532 | int i, j; |
1533 | pos scrtop, scrbot; |
1534 | |
1535 | for (i = 0; i < rows; i++) { |
1536 | ldata = lineptr(i); |
1537 | for (j = 0; j < cols; j++) |
1538 | ldata[j] = ATTR_DEFAULT | 'E'; |
1539 | ldata[cols] = 0; |
1540 | } |
1541 | disptop = 0; |
1542 | seen_disp_event = TRUE; |
1543 | scrtop.x = scrtop.y = 0; |
1544 | scrbot.x = 0; |
1545 | scrbot.y = rows; |
1546 | check_selection(scrtop, scrbot); |
1547 | } |
1548 | break; |
1549 | |
1550 | case ANSI('3', '#'): |
1551 | case ANSI('4', '#'): |
1552 | case ANSI('5', '#'): |
1553 | case ANSI('6', '#'): |
1554 | compatibility(VT100); |
1555 | { |
1556 | unsigned long nlattr; |
1557 | unsigned long *ldata; |
1558 | switch (ANSI(c, esc_query)) { |
1559 | case ANSI('3', '#'): |
1560 | nlattr = LATTR_TOP; |
1561 | break; |
1562 | case ANSI('4', '#'): |
1563 | nlattr = LATTR_BOT; |
1564 | break; |
1565 | case ANSI('5', '#'): |
1566 | nlattr = LATTR_NORM; |
1567 | break; |
2d466ffd |
1568 | default: /* spiritually case ANSI('6', '#'): */ |
4eeb7d09 |
1569 | nlattr = LATTR_WIDE; |
1570 | break; |
1571 | } |
1572 | ldata = lineptr(curs.y); |
1573 | ldata[cols] &= ~LATTR_MODE; |
1574 | ldata[cols] |= nlattr; |
1575 | } |
1576 | break; |
1577 | |
1578 | case ANSI('A', '('): |
1579 | compatibility(VT100); |
1580 | cset_attr[0] = ATTR_GBCHR; |
1581 | break; |
1582 | case ANSI('B', '('): |
1583 | compatibility(VT100); |
1584 | cset_attr[0] = ATTR_ASCII; |
1585 | break; |
1586 | case ANSI('0', '('): |
1587 | compatibility(VT100); |
1588 | cset_attr[0] = ATTR_LINEDRW; |
1589 | break; |
d3cb5465 |
1590 | case ANSI('U', '('): |
1591 | compatibility(OTHER); |
1592 | cset_attr[0] = ATTR_SCOACS; |
1593 | break; |
4eeb7d09 |
1594 | |
1595 | case ANSI('A', ')'): |
1596 | compatibility(VT100); |
1597 | cset_attr[1] = ATTR_GBCHR; |
1598 | break; |
1599 | case ANSI('B', ')'): |
1600 | compatibility(VT100); |
1601 | cset_attr[1] = ATTR_ASCII; |
1602 | break; |
1603 | case ANSI('0', ')'): |
1604 | compatibility(VT100); |
1605 | cset_attr[1] = ATTR_LINEDRW; |
1606 | break; |
d3cb5465 |
1607 | case ANSI('U', ')'): |
1608 | compatibility(OTHER); |
1609 | cset_attr[1] = ATTR_SCOACS; |
1610 | break; |
4eeb7d09 |
1611 | |
1612 | case ANSI('8', '%'): /* Old Linux code */ |
1613 | case ANSI('G', '%'): |
1614 | compatibility(OTHER); |
1615 | utf = 1; |
1616 | break; |
1617 | case ANSI('@', '%'): |
1618 | compatibility(OTHER); |
8f22582c |
1619 | utf = 0; |
4eeb7d09 |
1620 | break; |
374330e2 |
1621 | } |
1622 | break; |
32874aea |
1623 | case SEEN_CSI: |
1624 | termstate = TOPLEVEL; /* default */ |
1625 | if (isdigit(c)) { |
1626 | if (esc_nargs <= ARGS_MAX) { |
1627 | if (esc_args[esc_nargs - 1] == ARG_DEFAULT) |
1628 | esc_args[esc_nargs - 1] = 0; |
1629 | esc_args[esc_nargs - 1] = |
1630 | 10 * esc_args[esc_nargs - 1] + c - '0'; |
1631 | } |
1632 | termstate = SEEN_CSI; |
1633 | } else if (c == ';') { |
1634 | if (++esc_nargs <= ARGS_MAX) |
1635 | esc_args[esc_nargs - 1] = ARG_DEFAULT; |
1636 | termstate = SEEN_CSI; |
1637 | } else if (c < '@') { |
1638 | if (esc_query) |
1639 | esc_query = -1; |
1640 | else if (c == '?') |
1641 | esc_query = TRUE; |
1642 | else |
1643 | esc_query = c; |
1644 | termstate = SEEN_CSI; |
1645 | } else |
1646 | switch (ANSI(c, esc_query)) { |
1647 | case 'A': /* move up N lines */ |
1648 | move(curs.x, curs.y - def(esc_args[0], 1), 1); |
1649 | seen_disp_event = TRUE; |
1650 | break; |
1651 | case 'e': /* move down N lines */ |
1652 | compatibility(ANSI); |
5442e92f |
1653 | /* FALLTHROUGH */ |
32874aea |
1654 | case 'B': |
1655 | move(curs.x, curs.y + def(esc_args[0], 1), 1); |
1656 | seen_disp_event = TRUE; |
1657 | break; |
32874aea |
1658 | case ANSI('c', '>'): /* report xterm version */ |
1659 | compatibility(OTHER); |
1660 | /* this reports xterm version 136 so that VIM can |
1661 | use the drag messages from the mouse reporting */ |
760e88b2 |
1662 | ldisc_send("\033[>0;136;0c", 11, 0); |
32874aea |
1663 | break; |
5442e92f |
1664 | case 'a': /* move right N cols */ |
1665 | compatibility(ANSI); |
1666 | /* FALLTHROUGH */ |
32874aea |
1667 | case 'C': |
1668 | move(curs.x + def(esc_args[0], 1), curs.y, 1); |
1669 | seen_disp_event = TRUE; |
1670 | break; |
1671 | case 'D': /* move left N cols */ |
1672 | move(curs.x - def(esc_args[0], 1), curs.y, 1); |
1673 | seen_disp_event = TRUE; |
1674 | break; |
1675 | case 'E': /* move down N lines and CR */ |
1676 | compatibility(ANSI); |
1677 | move(0, curs.y + def(esc_args[0], 1), 1); |
1678 | seen_disp_event = TRUE; |
1679 | break; |
1680 | case 'F': /* move up N lines and CR */ |
1681 | compatibility(ANSI); |
1682 | move(0, curs.y - def(esc_args[0], 1), 1); |
1683 | seen_disp_event = TRUE; |
1684 | break; |
1685 | case 'G': |
1686 | case '`': /* set horizontal posn */ |
1687 | compatibility(ANSI); |
1688 | move(def(esc_args[0], 1) - 1, curs.y, 0); |
1689 | seen_disp_event = TRUE; |
1690 | break; |
1691 | case 'd': /* set vertical posn */ |
1692 | compatibility(ANSI); |
1693 | move(curs.x, |
1694 | (dec_om ? marg_t : 0) + def(esc_args[0], |
1695 | 1) - 1, |
1696 | (dec_om ? 2 : 0)); |
1697 | seen_disp_event = TRUE; |
1698 | break; |
1699 | case 'H': |
1700 | case 'f': /* set horz and vert posns at once */ |
1701 | if (esc_nargs < 2) |
1702 | esc_args[1] = ARG_DEFAULT; |
1703 | move(def(esc_args[1], 1) - 1, |
1704 | (dec_om ? marg_t : 0) + def(esc_args[0], |
1705 | 1) - 1, |
1706 | (dec_om ? 2 : 0)); |
1707 | seen_disp_event = TRUE; |
1708 | break; |
1709 | case 'J': /* erase screen or parts of it */ |
1710 | { |
1711 | unsigned int i = def(esc_args[0], 0) + 1; |
1712 | if (i > 3) |
1713 | i = 0; |
1714 | erase_lots(FALSE, !!(i & 2), !!(i & 1)); |
1715 | } |
1716 | disptop = 0; |
1717 | seen_disp_event = TRUE; |
1718 | break; |
1719 | case 'K': /* erase line or parts of it */ |
1720 | { |
1721 | unsigned int i = def(esc_args[0], 0) + 1; |
1722 | if (i > 3) |
1723 | i = 0; |
1724 | erase_lots(TRUE, !!(i & 2), !!(i & 1)); |
1725 | } |
1726 | seen_disp_event = TRUE; |
1727 | break; |
1728 | case 'L': /* insert lines */ |
1729 | compatibility(VT102); |
1730 | if (curs.y <= marg_b) |
1731 | scroll(curs.y, marg_b, -def(esc_args[0], 1), |
1732 | FALSE); |
1733 | fix_cpos; |
1734 | seen_disp_event = TRUE; |
1735 | break; |
1736 | case 'M': /* delete lines */ |
1737 | compatibility(VT102); |
1738 | if (curs.y <= marg_b) |
1739 | scroll(curs.y, marg_b, def(esc_args[0], 1), |
1740 | TRUE); |
1741 | fix_cpos; |
1742 | seen_disp_event = TRUE; |
1743 | break; |
1744 | case '@': /* insert chars */ |
1745 | /* XXX VTTEST says this is vt220, vt510 manual says vt102 */ |
1746 | compatibility(VT102); |
1747 | insch(def(esc_args[0], 1)); |
1748 | seen_disp_event = TRUE; |
1749 | break; |
1750 | case 'P': /* delete chars */ |
1751 | compatibility(VT102); |
1752 | insch(-def(esc_args[0], 1)); |
1753 | seen_disp_event = TRUE; |
1754 | break; |
1755 | case 'c': /* terminal type query */ |
1756 | compatibility(VT100); |
1757 | /* This is the response for a VT102 */ |
760e88b2 |
1758 | ldisc_send(id_string, strlen(id_string), 0); |
32874aea |
1759 | break; |
1760 | case 'n': /* cursor position query */ |
1761 | if (esc_args[0] == 6) { |
1762 | char buf[32]; |
1763 | sprintf(buf, "\033[%d;%dR", curs.y + 1, |
1764 | curs.x + 1); |
760e88b2 |
1765 | ldisc_send(buf, strlen(buf), 0); |
32874aea |
1766 | } else if (esc_args[0] == 5) { |
760e88b2 |
1767 | ldisc_send("\033[0n", 4, 0); |
32874aea |
1768 | } |
1769 | break; |
1770 | case 'h': /* toggle modes to high */ |
1771 | case ANSI_QUE('h'): |
1772 | compatibility(VT100); |
1773 | { |
1774 | int i; |
1775 | for (i = 0; i < esc_nargs; i++) |
1776 | toggle_mode(esc_args[i], esc_query, TRUE); |
1777 | } |
1778 | break; |
1779 | case 'l': /* toggle modes to low */ |
1780 | case ANSI_QUE('l'): |
1781 | compatibility(VT100); |
1782 | { |
1783 | int i; |
1784 | for (i = 0; i < esc_nargs; i++) |
1785 | toggle_mode(esc_args[i], esc_query, FALSE); |
1786 | } |
1787 | break; |
1788 | case 'g': /* clear tabs */ |
1789 | compatibility(VT100); |
1790 | if (esc_nargs == 1) { |
1791 | if (esc_args[0] == 0) { |
1792 | tabs[curs.x] = FALSE; |
1793 | } else if (esc_args[0] == 3) { |
1794 | int i; |
1795 | for (i = 0; i < cols; i++) |
1796 | tabs[i] = FALSE; |
1797 | } |
1798 | } |
1799 | break; |
1800 | case 'r': /* set scroll margins */ |
1801 | compatibility(VT100); |
1802 | if (esc_nargs <= 2) { |
1803 | int top, bot; |
1804 | top = def(esc_args[0], 1) - 1; |
1805 | bot = (esc_nargs <= 1 |
1806 | || esc_args[1] == |
1807 | 0 ? rows : def(esc_args[1], rows)) - 1; |
1808 | if (bot >= rows) |
1809 | bot = rows - 1; |
1810 | /* VTTEST Bug 9 - if region is less than 2 lines |
1811 | * don't change region. |
1812 | */ |
1813 | if (bot - top > 0) { |
1814 | marg_t = top; |
1815 | marg_b = bot; |
1816 | curs.x = 0; |
1817 | /* |
1818 | * I used to think the cursor should be |
1819 | * placed at the top of the newly marginned |
1820 | * area. Apparently not: VMS TPU falls over |
1821 | * if so. |
1822 | * |
1823 | * Well actually it should for Origin mode - RDB |
1824 | */ |
1825 | curs.y = (dec_om ? marg_t : 0); |
1826 | fix_cpos; |
1827 | seen_disp_event = TRUE; |
1828 | } |
1829 | } |
1830 | break; |
1831 | case 'm': /* set graphics rendition */ |
1832 | { |
1833 | /* |
1834 | * A VT100 without the AVO only had one attribute, either |
1835 | * underline or reverse video depending on the cursor type, |
1836 | * this was selected by CSI 7m. |
1837 | * |
1838 | * case 2: |
4eeb7d09 |
1839 | * This is sometimes DIM, eg on the GIGI and Linux |
32874aea |
1840 | * case 8: |
4eeb7d09 |
1841 | * This is sometimes INVIS various ANSI. |
32874aea |
1842 | * case 21: |
1843 | * This like 22 disables BOLD, DIM and INVIS |
1844 | * |
1845 | * The ANSI colours appear on any terminal that has colour |
1846 | * (obviously) but the interaction between sgr0 and the |
1847 | * colours varies but is usually related to the background |
1848 | * colour erase item. |
1849 | * The interaction between colour attributes and the mono |
1850 | * ones is also very implementation dependent. |
1851 | * |
1852 | * The 39 and 49 attributes are likely to be unimplemented. |
1853 | */ |
1854 | int i; |
1855 | for (i = 0; i < esc_nargs; i++) { |
1856 | switch (def(esc_args[i], 0)) { |
1857 | case 0: /* restore defaults */ |
1858 | curr_attr = ATTR_DEFAULT; |
1859 | break; |
1860 | case 1: /* enable bold */ |
1861 | compatibility(VT100AVO); |
1862 | curr_attr |= ATTR_BOLD; |
1863 | break; |
1864 | case 21: /* (enable double underline) */ |
1865 | compatibility(OTHER); |
1866 | case 4: /* enable underline */ |
1867 | compatibility(VT100AVO); |
1868 | curr_attr |= ATTR_UNDER; |
1869 | break; |
1870 | case 5: /* enable blink */ |
1871 | compatibility(VT100AVO); |
1872 | curr_attr |= ATTR_BLINK; |
1873 | break; |
1874 | case 7: /* enable reverse video */ |
1875 | curr_attr |= ATTR_REVERSE; |
1876 | break; |
d3cb5465 |
1877 | case 10: /* SCO acs off */ |
1878 | compatibility(SCOANSI); |
1879 | sco_acs = 0; break; |
1880 | case 11: /* SCO acs on */ |
1881 | compatibility(SCOANSI); |
1882 | sco_acs = 1; break; |
1883 | case 12: /* SCO acs on flipped */ |
1884 | compatibility(SCOANSI); |
1885 | sco_acs = 2; break; |
32874aea |
1886 | case 22: /* disable bold */ |
1887 | compatibility2(OTHER, VT220); |
1888 | curr_attr &= ~ATTR_BOLD; |
1889 | break; |
1890 | case 24: /* disable underline */ |
1891 | compatibility2(OTHER, VT220); |
1892 | curr_attr &= ~ATTR_UNDER; |
1893 | break; |
1894 | case 25: /* disable blink */ |
1895 | compatibility2(OTHER, VT220); |
1896 | curr_attr &= ~ATTR_BLINK; |
1897 | break; |
1898 | case 27: /* disable reverse video */ |
1899 | compatibility2(OTHER, VT220); |
1900 | curr_attr &= ~ATTR_REVERSE; |
1901 | break; |
1902 | case 30: |
1903 | case 31: |
1904 | case 32: |
1905 | case 33: |
1906 | case 34: |
1907 | case 35: |
1908 | case 36: |
1909 | case 37: |
1910 | /* foreground */ |
1911 | curr_attr &= ~ATTR_FGMASK; |
1912 | curr_attr |= |
1913 | (esc_args[i] - 30) << ATTR_FGSHIFT; |
1914 | break; |
1915 | case 39: /* default-foreground */ |
1916 | curr_attr &= ~ATTR_FGMASK; |
1917 | curr_attr |= ATTR_DEFFG; |
1918 | break; |
1919 | case 40: |
1920 | case 41: |
1921 | case 42: |
1922 | case 43: |
1923 | case 44: |
1924 | case 45: |
1925 | case 46: |
1926 | case 47: |
1927 | /* background */ |
1928 | curr_attr &= ~ATTR_BGMASK; |
1929 | curr_attr |= |
1930 | (esc_args[i] - 40) << ATTR_BGSHIFT; |
1931 | break; |
1932 | case 49: /* default-background */ |
1933 | curr_attr &= ~ATTR_BGMASK; |
1934 | curr_attr |= ATTR_DEFBG; |
1935 | break; |
1936 | } |
1937 | } |
1938 | if (use_bce) |
8f22582c |
1939 | erase_char = (' ' | ATTR_ASCII | |
1940 | (curr_attr & |
1941 | (ATTR_FGMASK | ATTR_BGMASK))); |
32874aea |
1942 | } |
1943 | break; |
1944 | case 's': /* save cursor */ |
1945 | save_cursor(TRUE); |
1946 | break; |
1947 | case 'u': /* restore cursor */ |
1948 | save_cursor(FALSE); |
1949 | seen_disp_event = TRUE; |
1950 | break; |
1951 | case 't': /* set page size - ie window height */ |
374330e2 |
1952 | /* |
32874aea |
1953 | * VT340/VT420 sequence DECSLPP, DEC only allows values |
1954 | * 24/25/36/48/72/144 other emulators (eg dtterm) use |
1955 | * illegal values (eg first arg 1..9) for window changing |
1956 | * and reports. |
1957 | */ |
1958 | compatibility(VT340TEXT); |
1959 | if (esc_nargs <= 1 |
1960 | && (esc_args[0] < 1 || esc_args[0] >= 24)) { |
5a73255e |
1961 | request_resize(cols, def(esc_args[0], 24)); |
32874aea |
1962 | deselect(); |
1963 | } |
1964 | break; |
1a837633 |
1965 | case 'S': |
1966 | compatibility(SCOANSI); |
1967 | scroll(marg_t, marg_b, def(esc_args[0], 1), TRUE); |
1968 | fix_cpos; |
1969 | wrapnext = FALSE; |
1970 | seen_disp_event = TRUE; |
1971 | break; |
1972 | case 'T': |
1973 | compatibility(SCOANSI); |
1974 | scroll(marg_t, marg_b, -def(esc_args[0], 1), TRUE); |
1975 | fix_cpos; |
1976 | wrapnext = FALSE; |
1977 | seen_disp_event = TRUE; |
1978 | break; |
32874aea |
1979 | case ANSI('|', '*'): |
1980 | /* VT420 sequence DECSNLS |
1981 | * Set number of lines on screen |
1982 | * VT420 uses VGA like hardware and can support any size in |
1983 | * reasonable range (24..49 AIUI) with no default specified. |
1984 | */ |
1985 | compatibility(VT420); |
1986 | if (esc_nargs == 1 && esc_args[0] > 0) { |
5a73255e |
1987 | request_resize(cols, def(esc_args[0], cfg.height)); |
32874aea |
1988 | deselect(); |
1989 | } |
1990 | break; |
1991 | case ANSI('|', '$'): |
1992 | /* VT340/VT420 sequence DECSCPP |
1993 | * Set number of columns per page |
1994 | * Docs imply range is only 80 or 132, but I'll allow any. |
1995 | */ |
1996 | compatibility(VT340TEXT); |
1997 | if (esc_nargs <= 1) { |
5a73255e |
1998 | request_resize(def(esc_args[0], cfg.width), rows); |
32874aea |
1999 | deselect(); |
2000 | } |
2001 | break; |
2002 | case 'X': /* write N spaces w/o moving cursor */ |
2003 | /* XXX VTTEST says this is vt220, vt510 manual says vt100 */ |
2004 | compatibility(ANSIMIN); |
2005 | { |
2006 | int n = def(esc_args[0], 1); |
2007 | pos cursplus; |
2008 | unsigned long *p = cpos; |
2009 | if (n > cols - curs.x) |
2010 | n = cols - curs.x; |
2011 | cursplus = curs; |
2012 | cursplus.x += n; |
2013 | check_selection(curs, cursplus); |
2014 | while (n--) |
2015 | *p++ = erase_char; |
2016 | seen_disp_event = TRUE; |
2017 | } |
2018 | break; |
2019 | case 'x': /* report terminal characteristics */ |
2020 | compatibility(VT100); |
2021 | { |
2022 | char buf[32]; |
2023 | int i = def(esc_args[0], 0); |
2024 | if (i == 0 || i == 1) { |
2025 | strcpy(buf, "\033[2;1;1;112;112;1;0x"); |
2026 | buf[2] += i; |
760e88b2 |
2027 | ldisc_send(buf, 20, 0); |
32874aea |
2028 | } |
2029 | } |
2030 | break; |
979f6987 |
2031 | case 'Z': /* BackTab for xterm */ |
2032 | compatibility(OTHER); |
2033 | { |
2034 | int i = def(esc_args[0], 1); |
2035 | pos old_curs = curs; |
2036 | |
2037 | for(;i>0 && curs.x>0; i--) { |
2038 | do { |
2039 | curs.x--; |
2040 | } while (curs.x >0 && !tabs[curs.x]); |
2041 | } |
2042 | fix_cpos; |
2043 | check_selection(old_curs, curs); |
2044 | } |
2045 | break; |
32874aea |
2046 | case ANSI('L', '='): |
2047 | compatibility(OTHER); |
2048 | use_bce = (esc_args[0] <= 0); |
2049 | erase_char = ERASE_CHAR; |
2050 | if (use_bce) |
8f22582c |
2051 | erase_char = (' ' | ATTR_ASCII | |
2052 | (curr_attr & |
2053 | (ATTR_FGMASK | ATTR_BGMASK))); |
32874aea |
2054 | break; |
2055 | case ANSI('E', '='): |
2056 | compatibility(OTHER); |
2057 | blink_is_real = (esc_args[0] >= 1); |
2058 | break; |
2059 | case ANSI('p', '"'): |
2060 | /* Allow the host to make this emulator a 'perfect' VT102. |
2061 | * This first appeared in the VT220, but we do need to get |
2062 | * back to PuTTY mode so I won't check it. |
e14a5a13 |
2063 | * |
4eeb7d09 |
2064 | * The arg in 40..42,50 are a PuTTY extension. |
32874aea |
2065 | * The 2nd arg, 8bit vs 7bit is not checked. |
2066 | * |
2067 | * Setting VT102 mode should also change the Fkeys to |
2068 | * generate PF* codes as a real VT102 has no Fkeys. |
2069 | * The VT220 does this, F11..F13 become ESC,BS,LF other Fkeys |
2070 | * send nothing. |
2071 | * |
2072 | * Note ESC c will NOT change this! |
374330e2 |
2073 | */ |
32874aea |
2074 | |
2075 | switch (esc_args[0]) { |
2076 | case 61: |
2077 | compatibility_level &= ~TM_VTXXX; |
2078 | compatibility_level |= TM_VT102; |
374330e2 |
2079 | break; |
32874aea |
2080 | case 62: |
2081 | compatibility_level &= ~TM_VTXXX; |
2082 | compatibility_level |= TM_VT220; |
2083 | break; |
2084 | |
2085 | default: |
2086 | if (esc_args[0] > 60 && esc_args[0] < 70) |
2087 | compatibility_level |= TM_VTXXX; |
2088 | break; |
2089 | |
2090 | case 40: |
2091 | compatibility_level &= TM_VTXXX; |
374330e2 |
2092 | break; |
32874aea |
2093 | case 41: |
2094 | compatibility_level = TM_PUTTY; |
374330e2 |
2095 | break; |
32874aea |
2096 | case 42: |
2097 | compatibility_level = TM_SCOANSI; |
374330e2 |
2098 | break; |
32874aea |
2099 | |
2100 | case ARG_DEFAULT: |
2101 | compatibility_level = TM_PUTTY; |
2102 | break; |
2103 | case 50: |
2104 | break; |
2105 | } |
2106 | |
2107 | /* Change the response to CSI c */ |
2108 | if (esc_args[0] == 50) { |
2109 | int i; |
2110 | char lbuf[64]; |
2111 | strcpy(id_string, "\033[?"); |
2112 | for (i = 1; i < esc_nargs; i++) { |
2113 | if (i != 1) |
2114 | strcat(id_string, ";"); |
2115 | sprintf(lbuf, "%d", esc_args[i]); |
2116 | strcat(id_string, lbuf); |
2117 | } |
2118 | strcat(id_string, "c"); |
2119 | } |
2120 | #if 0 |
2121 | /* Is this a good idea ? |
2122 | * Well we should do a soft reset at this point ... |
2123 | */ |
2124 | if (!has_compat(VT420) && has_compat(VT100)) { |
2125 | if (reset_132) |
5a73255e |
2126 | request_resize(132, 24); |
32874aea |
2127 | else |
5a73255e |
2128 | request_resize(80, 24); |
374330e2 |
2129 | } |
32874aea |
2130 | #endif |
2131 | break; |
374330e2 |
2132 | } |
374330e2 |
2133 | break; |
32874aea |
2134 | case SEEN_OSC: |
2135 | osc_w = FALSE; |
2136 | switch (c) { |
2137 | case 'P': /* Linux palette sequence */ |
2138 | termstate = SEEN_OSC_P; |
2139 | osc_strlen = 0; |
2140 | break; |
2141 | case 'R': /* Linux palette reset */ |
2142 | palette_reset(); |
2143 | term_invalidate(); |
2144 | termstate = TOPLEVEL; |
2145 | break; |
2146 | case 'W': /* word-set */ |
2147 | termstate = SEEN_OSC_W; |
2148 | osc_w = TRUE; |
2149 | break; |
2150 | case '0': |
2151 | case '1': |
2152 | case '2': |
2153 | case '3': |
2154 | case '4': |
2155 | case '5': |
2156 | case '6': |
2157 | case '7': |
2158 | case '8': |
2159 | case '9': |
2160 | esc_args[0] = 10 * esc_args[0] + c - '0'; |
2161 | break; |
2162 | case 'L': |
2163 | /* |
2164 | * Grotty hack to support xterm and DECterm title |
2165 | * sequences concurrently. |
2166 | */ |
2167 | if (esc_args[0] == 2) { |
2168 | esc_args[0] = 1; |
2169 | break; |
2170 | } |
2171 | /* else fall through */ |
2172 | default: |
2173 | termstate = OSC_STRING; |
2174 | osc_strlen = 0; |
e14a5a13 |
2175 | } |
2176 | break; |
32874aea |
2177 | case OSC_STRING: |
2178 | /* |
2179 | * This OSC stuff is EVIL. It takes just one character to get into |
2180 | * sysline mode and it's not initially obvious how to get out. |
2181 | * So I've added CR and LF as string aborts. |
2182 | * This shouldn't effect compatibility as I believe embedded |
2183 | * control characters are supposed to be interpreted (maybe?) |
2184 | * and they don't display anything useful anyway. |
2185 | * |
2186 | * -- RDB |
e14a5a13 |
2187 | */ |
32874aea |
2188 | if (c == '\n' || c == '\r') { |
2189 | termstate = TOPLEVEL; |
2190 | } else if (c == 0234 || c == '\007') { |
2191 | /* |
2192 | * These characters terminate the string; ST and BEL |
2193 | * terminate the sequence and trigger instant |
2194 | * processing of it, whereas ESC goes back to SEEN_ESC |
2195 | * mode unless it is followed by \, in which case it is |
2196 | * synonymous with ST in the first place. |
2197 | */ |
2198 | do_osc(); |
2199 | termstate = TOPLEVEL; |
2200 | } else if (c == '\033') |
2201 | termstate = OSC_MAYBE_ST; |
2202 | else if (osc_strlen < OSC_STR_MAX) |
2203 | osc_string[osc_strlen++] = c; |
374330e2 |
2204 | break; |
32874aea |
2205 | case SEEN_OSC_P: |
374330e2 |
2206 | { |
32874aea |
2207 | int max = (osc_strlen == 0 ? 21 : 16); |
2208 | int val; |
2209 | if (c >= '0' && c <= '9') |
2210 | val = c - '0'; |
2211 | else if (c >= 'A' && c <= 'A' + max - 10) |
2212 | val = c - 'A' + 10; |
2213 | else if (c >= 'a' && c <= 'a' + max - 10) |
2214 | val = c - 'a' + 10; |
2d466ffd |
2215 | else { |
32874aea |
2216 | termstate = TOPLEVEL; |
2d466ffd |
2217 | break; |
2218 | } |
32874aea |
2219 | osc_string[osc_strlen++] = val; |
2220 | if (osc_strlen >= 7) { |
2221 | palette_set(osc_string[0], |
2222 | osc_string[1] * 16 + osc_string[2], |
2223 | osc_string[3] * 16 + osc_string[4], |
2224 | osc_string[5] * 16 + osc_string[6]); |
2225 | term_invalidate(); |
2226 | termstate = TOPLEVEL; |
374330e2 |
2227 | } |
2228 | } |
2229 | break; |
32874aea |
2230 | case SEEN_OSC_W: |
2231 | switch (c) { |
2232 | case '0': |
2233 | case '1': |
2234 | case '2': |
2235 | case '3': |
2236 | case '4': |
2237 | case '5': |
2238 | case '6': |
2239 | case '7': |
2240 | case '8': |
2241 | case '9': |
2242 | esc_args[0] = 10 * esc_args[0] + c - '0'; |
2243 | break; |
2244 | default: |
2245 | termstate = OSC_STRING; |
2246 | osc_strlen = 0; |
ec55b220 |
2247 | } |
32874aea |
2248 | break; |
32874aea |
2249 | case VT52_ESC: |
374330e2 |
2250 | termstate = TOPLEVEL; |
32874aea |
2251 | seen_disp_event = TRUE; |
c9def1b8 |
2252 | switch (c) { |
32874aea |
2253 | case 'A': |
2254 | move(curs.x, curs.y - 1, 1); |
2255 | break; |
2256 | case 'B': |
2257 | move(curs.x, curs.y + 1, 1); |
2258 | break; |
2259 | case 'C': |
2260 | move(curs.x + 1, curs.y, 1); |
2261 | break; |
2262 | case 'D': |
2263 | move(curs.x - 1, curs.y, 1); |
2264 | break; |
4eeb7d09 |
2265 | /* |
2266 | * From the VT100 Manual |
2267 | * NOTE: The special graphics characters in the VT100 |
2268 | * are different from those in the VT52 |
2269 | * |
2270 | * From VT102 manual: |
2271 | * 137 _ Blank - Same |
2272 | * 140 ` Reserved - Humm. |
2273 | * 141 a Solid rectangle - Similar |
2274 | * 142 b 1/ - Top half of fraction for the |
2275 | * 143 c 3/ - subscript numbers below. |
2276 | * 144 d 5/ |
2277 | * 145 e 7/ |
2278 | * 146 f Degrees - Same |
2279 | * 147 g Plus or minus - Same |
2280 | * 150 h Right arrow |
2281 | * 151 i Ellipsis (dots) |
2282 | * 152 j Divide by |
2283 | * 153 k Down arrow |
2284 | * 154 l Bar at scan 0 |
2285 | * 155 m Bar at scan 1 |
2286 | * 156 n Bar at scan 2 |
2287 | * 157 o Bar at scan 3 - Similar |
2288 | * 160 p Bar at scan 4 - Similar |
2289 | * 161 q Bar at scan 5 - Similar |
2290 | * 162 r Bar at scan 6 - Same |
2291 | * 163 s Bar at scan 7 - Similar |
2292 | * 164 t Subscript 0 |
2293 | * 165 u Subscript 1 |
2294 | * 166 v Subscript 2 |
2295 | * 167 w Subscript 3 |
2296 | * 170 x Subscript 4 |
2297 | * 171 y Subscript 5 |
2298 | * 172 z Subscript 6 |
2299 | * 173 { Subscript 7 |
2300 | * 174 | Subscript 8 |
2301 | * 175 } Subscript 9 |
2302 | * 176 ~ Paragraph |
2303 | * |
2304 | */ |
32874aea |
2305 | case 'F': |
2306 | cset_attr[cset = 0] = ATTR_LINEDRW; |
2307 | break; |
2308 | case 'G': |
2309 | cset_attr[cset = 0] = ATTR_ASCII; |
2310 | break; |
2311 | case 'H': |
2312 | move(0, 0, 0); |
2313 | break; |
2314 | case 'I': |
2315 | if (curs.y == 0) |
2316 | scroll(0, rows - 1, -1, TRUE); |
2317 | else if (curs.y > 0) |
2318 | curs.y--; |
2319 | fix_cpos; |
2320 | wrapnext = FALSE; |
2321 | break; |
2322 | case 'J': |
2323 | erase_lots(FALSE, FALSE, TRUE); |
4facdf84 |
2324 | disptop = 0; |
c9def1b8 |
2325 | break; |
32874aea |
2326 | case 'K': |
2327 | erase_lots(TRUE, FALSE, TRUE); |
2328 | break; |
4eeb7d09 |
2329 | #if 0 |
32874aea |
2330 | case 'V': |
2331 | /* XXX Print cursor line */ |
2332 | break; |
2333 | case 'W': |
2334 | /* XXX Start controller mode */ |
2335 | break; |
2336 | case 'X': |
2337 | /* XXX Stop controller mode */ |
2338 | break; |
4eeb7d09 |
2339 | #endif |
32874aea |
2340 | case 'Y': |
2341 | termstate = VT52_Y1; |
2342 | break; |
2343 | case 'Z': |
760e88b2 |
2344 | ldisc_send("\033/Z", 3, 0); |
32874aea |
2345 | break; |
2346 | case '=': |
2347 | app_keypad_keys = TRUE; |
2348 | break; |
2349 | case '>': |
2350 | app_keypad_keys = FALSE; |
2351 | break; |
2352 | case '<': |
2353 | /* XXX This should switch to VT100 mode not current or default |
2354 | * VT mode. But this will only have effect in a VT220+ |
2355 | * emulation. |
2356 | */ |
2357 | vt52_mode = FALSE; |
4eeb7d09 |
2358 | blink_is_real = cfg.blinktext; |
32874aea |
2359 | break; |
4eeb7d09 |
2360 | #if 0 |
32874aea |
2361 | case '^': |
2362 | /* XXX Enter auto print mode */ |
2363 | break; |
2364 | case '_': |
2365 | /* XXX Exit auto print mode */ |
2366 | break; |
2367 | case ']': |
2368 | /* XXX Print screen */ |
2369 | break; |
4eeb7d09 |
2370 | #endif |
2371 | |
2372 | #ifdef VT52_PLUS |
2373 | case 'E': |
2374 | /* compatibility(ATARI) */ |
2375 | move(0, 0, 0); |
2376 | erase_lots(FALSE, FALSE, TRUE); |
2377 | disptop = 0; |
2378 | break; |
2379 | case 'L': |
2380 | /* compatibility(ATARI) */ |
2381 | if (curs.y <= marg_b) |
2382 | scroll(curs.y, marg_b, -1, FALSE); |
2383 | break; |
2384 | case 'M': |
2385 | /* compatibility(ATARI) */ |
2386 | if (curs.y <= marg_b) |
2387 | scroll(curs.y, marg_b, 1, TRUE); |
2388 | break; |
2389 | case 'b': |
2390 | /* compatibility(ATARI) */ |
2391 | termstate = VT52_FG; |
2392 | break; |
2393 | case 'c': |
2394 | /* compatibility(ATARI) */ |
2395 | termstate = VT52_BG; |
2396 | break; |
2397 | case 'd': |
2398 | /* compatibility(ATARI) */ |
2399 | erase_lots(FALSE, TRUE, FALSE); |
2400 | disptop = 0; |
2401 | break; |
2402 | case 'e': |
2403 | /* compatibility(ATARI) */ |
2404 | cursor_on = TRUE; |
2405 | break; |
2406 | case 'f': |
2407 | /* compatibility(ATARI) */ |
2408 | cursor_on = FALSE; |
2409 | break; |
2410 | /* case 'j': Save cursor position - broken on ST */ |
2411 | /* case 'k': Restore cursor position */ |
2412 | case 'l': |
2413 | /* compatibility(ATARI) */ |
2414 | erase_lots(TRUE, TRUE, TRUE); |
2415 | curs.x = 0; |
2416 | wrapnext = FALSE; |
2417 | fix_cpos; |
2418 | break; |
2419 | case 'o': |
2420 | /* compatibility(ATARI) */ |
2421 | erase_lots(TRUE, TRUE, FALSE); |
2422 | break; |
2423 | case 'p': |
2424 | /* compatibility(ATARI) */ |
2425 | curr_attr |= ATTR_REVERSE; |
2426 | break; |
2427 | case 'q': |
2428 | /* compatibility(ATARI) */ |
2429 | curr_attr &= ~ATTR_REVERSE; |
2430 | break; |
2431 | case 'v': /* wrap Autowrap on - Wyse style */ |
2432 | /* compatibility(ATARI) */ |
2433 | wrap = 1; |
2434 | break; |
2435 | case 'w': /* Autowrap off */ |
2436 | /* compatibility(ATARI) */ |
2437 | wrap = 0; |
2438 | break; |
2439 | |
2440 | case 'R': |
2441 | /* compatibility(OTHER) */ |
2442 | vt52_bold = FALSE; |
2443 | curr_attr = ATTR_DEFAULT; |
2444 | if (use_bce) |
8f22582c |
2445 | erase_char = (' ' | ATTR_ASCII | |
2446 | (curr_attr & |
2447 | (ATTR_FGMASK | ATTR_BGMASK))); |
4eeb7d09 |
2448 | break; |
2449 | case 'S': |
2450 | /* compatibility(VI50) */ |
2451 | curr_attr |= ATTR_UNDER; |
2452 | break; |
2453 | case 'W': |
2454 | /* compatibility(VI50) */ |
2455 | curr_attr &= ~ATTR_UNDER; |
2456 | break; |
2457 | case 'U': |
2458 | /* compatibility(VI50) */ |
2459 | vt52_bold = TRUE; |
2460 | curr_attr |= ATTR_BOLD; |
2461 | break; |
2462 | case 'T': |
2463 | /* compatibility(VI50) */ |
2464 | vt52_bold = FALSE; |
2465 | curr_attr &= ~ATTR_BOLD; |
2466 | break; |
2467 | #endif |
c9def1b8 |
2468 | } |
e14a5a13 |
2469 | break; |
32874aea |
2470 | case VT52_Y1: |
2471 | termstate = VT52_Y2; |
2472 | move(curs.x, c - ' ', 0); |
e14a5a13 |
2473 | break; |
32874aea |
2474 | case VT52_Y2: |
2475 | termstate = TOPLEVEL; |
2476 | move(c - ' ', curs.y, 0); |
e14a5a13 |
2477 | break; |
4eeb7d09 |
2478 | |
2479 | #ifdef VT52_PLUS |
2480 | case VT52_FG: |
2481 | termstate = TOPLEVEL; |
2482 | curr_attr &= ~ATTR_FGMASK; |
2483 | curr_attr &= ~ATTR_BOLD; |
2484 | curr_attr |= (c & 0x7) << ATTR_FGSHIFT; |
2485 | if ((c & 0x8) || vt52_bold) |
2486 | curr_attr |= ATTR_BOLD; |
2487 | |
2488 | if (use_bce) |
8f22582c |
2489 | erase_char = (' ' | ATTR_ASCII | |
2490 | (curr_attr & (ATTR_FGMASK | ATTR_BGMASK))); |
4eeb7d09 |
2491 | break; |
2492 | case VT52_BG: |
2493 | termstate = TOPLEVEL; |
2494 | curr_attr &= ~ATTR_BGMASK; |
2495 | curr_attr &= ~ATTR_BLINK; |
2496 | curr_attr |= (c & 0x7) << ATTR_BGSHIFT; |
2497 | |
2498 | /* Note: bold background */ |
2499 | if (c & 0x8) |
2500 | curr_attr |= ATTR_BLINK; |
2501 | |
2502 | if (use_bce) |
8f22582c |
2503 | erase_char = (' ' | ATTR_ASCII | |
2504 | (curr_attr & (ATTR_FGMASK | ATTR_BGMASK))); |
4eeb7d09 |
2505 | break; |
2506 | #endif |
2d466ffd |
2507 | default: break; /* placate gcc warning about enum use */ |
e14a5a13 |
2508 | } |
4facdf84 |
2509 | if (selstate != NO_SELECTION) { |
2510 | pos cursplus = curs; |
2511 | incpos(cursplus); |
32874aea |
2512 | check_selection(curs, cursplus); |
4facdf84 |
2513 | } |
374330e2 |
2514 | } |
374330e2 |
2515 | } |
2516 | |
4eeb7d09 |
2517 | #if 0 |
374330e2 |
2518 | /* |
2519 | * Compare two lines to determine whether they are sufficiently |
2520 | * alike to scroll-optimise one to the other. Return the degree of |
2521 | * similarity. |
2522 | */ |
32874aea |
2523 | static int linecmp(unsigned long *a, unsigned long *b) |
2524 | { |
374330e2 |
2525 | int i, n; |
2526 | |
32874aea |
2527 | for (i = n = 0; i < cols; i++) |
374330e2 |
2528 | n += (*a++ == *b++); |
2529 | return n; |
2530 | } |
4eeb7d09 |
2531 | #endif |
374330e2 |
2532 | |
2533 | /* |
2534 | * Given a context, update the window. Out of paranoia, we don't |
2535 | * allow WM_PAINT responses to do scrolling optimisations. |
2536 | */ |
32874aea |
2537 | static void do_paint(Context ctx, int may_optimise) |
2538 | { |
4eeb7d09 |
2539 | int i, j, our_curs_y; |
2540 | unsigned long rv, cursor; |
4facdf84 |
2541 | pos scrpos; |
374330e2 |
2542 | char ch[1024]; |
4eeb7d09 |
2543 | long cursor_background = ERASE_CHAR; |
286c6b86 |
2544 | unsigned long ticks; |
374330e2 |
2545 | |
156686ef |
2546 | /* |
2547 | * Check the visual bell state. |
2548 | */ |
2549 | if (in_vbell) { |
2550 | ticks = GetTickCount(); |
286c6b86 |
2551 | if (ticks - vbell_startpoint >= VBELL_TIMEOUT) |
2552 | in_vbell = FALSE; |
2553 | } |
156686ef |
2554 | |
4eeb7d09 |
2555 | rv = (!rvideo ^ !in_vbell ? ATTR_REVERSE : 0); |
2556 | |
156686ef |
2557 | /* Depends on: |
2558 | * screen array, disptop, scrtop, |
2559 | * selection, rv, |
2560 | * cfg.blinkpc, blink_is_real, tblinker, |
4eeb7d09 |
2561 | * curs.y, curs.x, blinker, cfg.blink_cur, cursor_on, has_focus, wrapnext |
156686ef |
2562 | */ |
4eeb7d09 |
2563 | |
2564 | /* Has the cursor position or type changed ? */ |
e14a5a13 |
2565 | if (cursor_on) { |
32874aea |
2566 | if (has_focus) { |
217dceef |
2567 | if (blinker || !cfg.blink_cur) |
4eeb7d09 |
2568 | cursor = TATTR_ACTCURS; |
32874aea |
2569 | else |
2570 | cursor = 0; |
2571 | } else |
4eeb7d09 |
2572 | cursor = TATTR_PASCURS; |
4e30ff69 |
2573 | if (wrapnext) |
4eeb7d09 |
2574 | cursor |= TATTR_RIGHTCURS; |
32874aea |
2575 | } else |
156686ef |
2576 | cursor = 0; |
4facdf84 |
2577 | our_curs_y = curs.y - disptop; |
374330e2 |
2578 | |
4eeb7d09 |
2579 | if (dispcurs && (curstype != cursor || |
2580 | dispcurs != |
2581 | disptext + our_curs_y * (cols + 1) + curs.x)) { |
5a73255e |
2582 | if (dispcurs > disptext && |
2583 | (*dispcurs & (CHAR_MASK | CSET_MASK)) == UCSWIDE) |
4eeb7d09 |
2584 | dispcurs[-1] |= ATTR_INVALID; |
5a73255e |
2585 | if ( (dispcurs[1] & (CHAR_MASK | CSET_MASK)) == UCSWIDE) |
4eeb7d09 |
2586 | dispcurs[1] |= ATTR_INVALID; |
2587 | *dispcurs |= ATTR_INVALID; |
2588 | curstype = 0; |
2589 | } |
2590 | dispcurs = NULL; |
2591 | |
2592 | /* The normal screen data */ |
32874aea |
2593 | for (i = 0; i < rows; i++) { |
4facdf84 |
2594 | unsigned long *ldata; |
2595 | int lattr; |
6908fed7 |
2596 | int idx, dirty_line, dirty_run, selected; |
4eeb7d09 |
2597 | unsigned long attr = 0; |
2598 | int updated_line = 0; |
2599 | int start = 0; |
2600 | int ccount = 0; |
2601 | int last_run_dirty = 0; |
2602 | |
4facdf84 |
2603 | scrpos.y = i + disptop; |
2604 | ldata = lineptr(scrpos.y); |
2605 | lattr = (ldata[cols] & LATTR_MODE); |
4eeb7d09 |
2606 | |
2607 | idx = i * (cols + 1); |
2608 | dirty_run = dirty_line = (ldata[cols] != disptext[idx + cols]); |
2609 | disptext[idx + cols] = ldata[cols]; |
2610 | |
2611 | for (j = 0; j < cols; j++, idx++) { |
2612 | unsigned long tattr, tchar; |
2613 | unsigned long *d = ldata + j; |
2614 | int break_run; |
4facdf84 |
2615 | scrpos.x = j; |
32874aea |
2616 | |
4eeb7d09 |
2617 | tchar = (*d & (CHAR_MASK | CSET_MASK)); |
2618 | tattr = (*d & (ATTR_MASK ^ CSET_MASK)); |
2619 | switch (tchar & CSET_MASK) { |
2620 | case ATTR_ASCII: |
2621 | tchar = unitab_line[tchar & 0xFF]; |
2622 | break; |
2623 | case ATTR_LINEDRW: |
2624 | tchar = unitab_xterm[tchar & 0xFF]; |
2625 | break; |
d3cb5465 |
2626 | case ATTR_SCOACS: |
2627 | tchar = unitab_scoacs[tchar&0xFF]; |
2628 | break; |
4eeb7d09 |
2629 | } |
2630 | tattr |= (tchar & CSET_MASK); |
2631 | tchar &= CHAR_MASK; |
5a73255e |
2632 | if ((d[1] & (CHAR_MASK | CSET_MASK)) == UCSWIDE) |
2633 | tattr |= ATTR_WIDE; |
4eeb7d09 |
2634 | |
2635 | /* Video reversing things */ |
6908fed7 |
2636 | if (seltype == LEXICOGRAPHIC) |
2637 | selected = posle(selstart, scrpos) && poslt(scrpos, selend); |
2638 | else |
2639 | selected = posPle(selstart, scrpos) && posPlt(scrpos, selend); |
4eeb7d09 |
2640 | tattr = (tattr ^ rv |
6908fed7 |
2641 | ^ (selected ? ATTR_REVERSE : 0)); |
4eeb7d09 |
2642 | |
2643 | /* 'Real' blinking ? */ |
2644 | if (blink_is_real && (tattr & ATTR_BLINK)) { |
2645 | if (has_focus && tblinker) { |
2646 | tchar = ' '; |
2647 | tattr &= ~CSET_MASK; |
2648 | tattr |= ATTR_ACP; |
c9def1b8 |
2649 | } |
4eeb7d09 |
2650 | tattr &= ~ATTR_BLINK; |
c9def1b8 |
2651 | } |
374330e2 |
2652 | |
5a73255e |
2653 | /* |
2654 | * Check the font we'll _probably_ be using to see if |
2655 | * the character is wide when we don't want it to be. |
2656 | */ |
2657 | if ((tchar | tattr) != (disptext[idx]& ~ATTR_NARROW)) { |
2658 | if ((tattr & ATTR_WIDE) == 0 && |
2659 | CharWidth(ctx, (tchar | tattr) & 0xFFFF) == 2) |
2660 | tattr |= ATTR_NARROW; |
2661 | } else if (disptext[idx]&ATTR_NARROW) |
2662 | tattr |= ATTR_NARROW; |
2663 | |
4eeb7d09 |
2664 | /* Cursor here ? Save the 'background' */ |
2665 | if (i == our_curs_y && j == curs.x) { |
2666 | cursor_background = tattr | tchar; |
2667 | dispcurs = disptext + idx; |
2668 | } |
374330e2 |
2669 | |
4eeb7d09 |
2670 | if ((disptext[idx] ^ tattr) & ATTR_WIDE) |
2671 | dirty_line = TRUE; |
2672 | |
2673 | break_run = (tattr != attr || j - start >= sizeof(ch)); |
2674 | |
2675 | /* Special hack for VT100 Linedraw glyphs */ |
2676 | if ((attr & CSET_MASK) == 0x2300 && tchar >= 0xBA |
2677 | && tchar <= 0xBD) break_run = TRUE; |
2678 | |
2679 | if (!dbcs_screenfont && !dirty_line) { |
2680 | if ((tchar | tattr) == disptext[idx]) |
2681 | break_run = TRUE; |
2682 | else if (!dirty_run && ccount == 1) |
2683 | break_run = TRUE; |
374330e2 |
2684 | } |
4eeb7d09 |
2685 | |
2686 | if (break_run) { |
2687 | if ((dirty_run || last_run_dirty) && ccount > 0) { |
2688 | do_text(ctx, start, i, ch, ccount, attr, lattr); |
2689 | updated_line = 1; |
2690 | } |
2691 | start = j; |
2692 | ccount = 0; |
2693 | attr = tattr; |
2694 | if (dbcs_screenfont) |
2695 | last_run_dirty = dirty_run; |
2696 | dirty_run = dirty_line; |
2697 | } |
2698 | |
2699 | if ((tchar | tattr) != disptext[idx]) |
2700 | dirty_run = TRUE; |
2701 | ch[ccount++] = (char) tchar; |
2702 | disptext[idx] = tchar | tattr; |
2703 | |
2704 | /* If it's a wide char step along to the next one. */ |
2705 | if (tattr & ATTR_WIDE) { |
2706 | if (++j < cols) { |
2707 | idx++; |
2708 | d++; |
2709 | /* Cursor is here ? Ouch! */ |
2710 | if (i == our_curs_y && j == curs.x) { |
2711 | cursor_background = *d; |
2712 | dispcurs = disptext + idx; |
2713 | } |
2714 | if (disptext[idx] != *d) |
2715 | dirty_run = TRUE; |
2716 | disptext[idx] = *d; |
374330e2 |
2717 | } |
374330e2 |
2718 | } |
4eeb7d09 |
2719 | } |
2720 | if (dirty_run && ccount > 0) { |
2721 | do_text(ctx, start, i, ch, ccount, attr, lattr); |
2722 | updated_line = 1; |
2723 | } |
2724 | |
2725 | /* Cursor on this line ? (and changed) */ |
2726 | if (i == our_curs_y && (curstype != cursor || updated_line)) { |
2727 | ch[0] = (char) (cursor_background & CHAR_MASK); |
2728 | attr = (cursor_background & ATTR_MASK) | cursor; |
2729 | do_cursor(ctx, curs.x, i, ch, 1, attr, lattr); |
2730 | curstype = cursor; |
374330e2 |
2731 | } |
2732 | } |
2733 | } |
2734 | |
2735 | /* |
e14a5a13 |
2736 | * Flick the switch that says if blinking things should be shown or hidden. |
2737 | */ |
2738 | |
32874aea |
2739 | void term_blink(int flg) |
2740 | { |
22dcdc3b |
2741 | static long last_blink = 0; |
2742 | static long last_tblink = 0; |
e14a5a13 |
2743 | long now, blink_diff; |
2744 | |
c9def1b8 |
2745 | now = GetTickCount(); |
32874aea |
2746 | blink_diff = now - last_tblink; |
c9def1b8 |
2747 | |
2748 | /* Make sure the text blinks no more than 2Hz */ |
32874aea |
2749 | if (blink_diff < 0 || blink_diff > 450) { |
2750 | last_tblink = now; |
c9def1b8 |
2751 | tblinker = !tblinker; |
2752 | } |
2753 | |
e14a5a13 |
2754 | if (flg) { |
32874aea |
2755 | blinker = 1; |
2756 | last_blink = now; |
e14a5a13 |
2757 | return; |
32874aea |
2758 | } |
e14a5a13 |
2759 | |
32874aea |
2760 | blink_diff = now - last_blink; |
e14a5a13 |
2761 | |
22dcdc3b |
2762 | /* Make sure the cursor blinks no faster than GetCaretBlinkTime() */ |
32874aea |
2763 | if (blink_diff >= 0 && blink_diff < (long) GetCaretBlinkTime()) |
2764 | return; |
2765 | |
e14a5a13 |
2766 | last_blink = now; |
2767 | blinker = !blinker; |
2768 | } |
2769 | |
2770 | /* |
374330e2 |
2771 | * Invalidate the whole screen so it will be repainted in full. |
2772 | */ |
32874aea |
2773 | void term_invalidate(void) |
2774 | { |
374330e2 |
2775 | int i; |
2776 | |
32874aea |
2777 | for (i = 0; i < rows * (cols + 1); i++) |
374330e2 |
2778 | disptext[i] = ATTR_INVALID; |
2779 | } |
2780 | |
2781 | /* |
2782 | * Paint the window in response to a WM_PAINT message. |
2783 | */ |
5a73255e |
2784 | void term_paint(Context ctx, int left, int top, int right, int bottom) |
32874aea |
2785 | { |
5a73255e |
2786 | int i, j; |
2787 | if (left < 0) left = 0; |
2788 | if (top < 0) top = 0; |
2789 | if (right >= cols) right = cols-1; |
2790 | if (bottom >= rows) bottom = rows-1; |
374330e2 |
2791 | |
32874aea |
2792 | for (i = top; i <= bottom && i < rows; i++) { |
2793 | if ((disptext[i * (cols + 1) + cols] & LATTR_MODE) == LATTR_NORM) |
2794 | for (j = left; j <= right && j < cols; j++) |
2795 | disptext[i * (cols + 1) + j] = ATTR_INVALID; |
c9def1b8 |
2796 | else |
32874aea |
2797 | for (j = left / 2; j <= right / 2 + 1 && j < cols; j++) |
2798 | disptext[i * (cols + 1) + j] = ATTR_INVALID; |
c9def1b8 |
2799 | } |
374330e2 |
2800 | |
e14a5a13 |
2801 | /* This should happen soon enough, also for some reason it sometimes |
2802 | * fails to actually do anything when re-sizing ... painting the wrong |
2803 | * window perhaps ? |
32874aea |
2804 | */ |
5a73255e |
2805 | if (alt_pressed) |
2806 | do_paint (ctx, FALSE); |
374330e2 |
2807 | } |
2808 | |
2809 | /* |
2810 | * Attempt to scroll the scrollback. The second parameter gives the |
2811 | * position we want to scroll to; the first is +1 to denote that |
2812 | * this position is relative to the beginning of the scrollback, -1 |
2813 | * to denote it is relative to the end, and 0 to denote that it is |
2814 | * relative to the current position. |
2815 | */ |
32874aea |
2816 | void term_scroll(int rel, int where) |
2817 | { |
4facdf84 |
2818 | int sbtop = -count234(scrollback); |
374330e2 |
2819 | |
32874aea |
2820 | disptop = (rel < 0 ? 0 : rel > 0 ? sbtop : disptop) + where; |
374330e2 |
2821 | if (disptop < sbtop) |
2822 | disptop = sbtop; |
4facdf84 |
2823 | if (disptop > 0) |
2824 | disptop = 0; |
374330e2 |
2825 | update_sbar(); |
2826 | term_update(); |
2827 | } |
2828 | |
6908fed7 |
2829 | static void clipme(pos top, pos bottom, int rect) |
32874aea |
2830 | { |
4eeb7d09 |
2831 | wchar_t *workbuf; |
2832 | wchar_t *wbptr; /* where next char goes within workbuf */ |
6908fed7 |
2833 | int old_top_x; |
32874aea |
2834 | int wblen = 0; /* workbuf len */ |
2835 | int buflen; /* amount of memory allocated to workbuf */ |
bc1235d4 |
2836 | |
4eeb7d09 |
2837 | buflen = 5120; /* Default size */ |
2838 | workbuf = smalloc(buflen * sizeof(wchar_t)); |
2839 | wbptr = workbuf; /* start filling here */ |
6908fed7 |
2840 | old_top_x = top.x; /* needed for rect==1 */ |
bc1235d4 |
2841 | |
4facdf84 |
2842 | while (poslt(top, bottom)) { |
bc1235d4 |
2843 | int nl = FALSE; |
4facdf84 |
2844 | unsigned long *ldata = lineptr(top.y); |
260f3dec |
2845 | pos nlpos; |
4facdf84 |
2846 | |
6908fed7 |
2847 | /* |
2848 | * nlpos will point at the maximum position on this line we |
2849 | * should copy up to. So we start it at the end of the |
2850 | * line... |
2851 | */ |
4facdf84 |
2852 | nlpos.y = top.y; |
2853 | nlpos.x = cols; |
bc1235d4 |
2854 | |
6908fed7 |
2855 | /* |
2856 | * ... move it backwards if there's unused space at the end |
2857 | * of the line (and also set `nl' if this is the case, |
2858 | * because in normal selection mode this means we need a |
2859 | * newline at the end)... |
2860 | */ |
4eeb7d09 |
2861 | if (!(ldata[cols] & LATTR_WRAPPED)) { |
2862 | while (((ldata[nlpos.x - 1] & 0xFF) == 0x20 || |
2863 | (DIRECT_CHAR(ldata[nlpos.x - 1]) && |
2864 | (ldata[nlpos.x - 1] & CHAR_MASK) == 0x20)) |
2865 | && poslt(top, nlpos)) |
2866 | decpos(nlpos); |
4facdf84 |
2867 | if (poslt(nlpos, bottom)) |
bc1235d4 |
2868 | nl = TRUE; |
2869 | } |
6908fed7 |
2870 | |
2871 | /* |
2872 | * ... and then clip it to the terminal x coordinate if |
2873 | * we're doing rectangular selection. (In this case we |
2874 | * still did the above, so that copying e.g. the right-hand |
2875 | * column from a table doesn't fill with spaces on the |
2876 | * right.) |
2877 | */ |
2878 | if (rect) { |
2879 | if (nlpos.x > bottom.x) |
2880 | nlpos.x = bottom.x; |
2881 | nl = (top.y < bottom.y); |
2882 | } |
2883 | |
4facdf84 |
2884 | while (poslt(top, bottom) && poslt(top, nlpos)) { |
4eeb7d09 |
2885 | #if 0 |
2886 | char cbuf[16], *p; |
2887 | sprintf(cbuf, "<U+%04x>", (ldata[top.x] & 0xFFFF)); |
2888 | #else |
2889 | wchar_t cbuf[16], *p; |
2890 | int uc = (ldata[top.x] & 0xFFFF); |
2891 | int set, c; |
2892 | |
2893 | if (uc == UCSWIDE) { |
2894 | top.x++; |
2895 | continue; |
2896 | } |
2897 | |
2898 | switch (uc & CSET_MASK) { |
2899 | case ATTR_LINEDRW: |
2900 | if (!cfg.rawcnp) { |
2901 | uc = unitab_xterm[uc & 0xFF]; |
2902 | break; |
32874aea |
2903 | } |
4eeb7d09 |
2904 | case ATTR_ASCII: |
2905 | uc = unitab_line[uc & 0xFF]; |
2906 | break; |
d3cb5465 |
2907 | case ATTR_SCOACS: |
2908 | uc = unitab_scoacs[uc&0xFF]; |
2909 | break; |
d3a22f79 |
2910 | } |
4eeb7d09 |
2911 | switch (uc & CSET_MASK) { |
2912 | case ATTR_ACP: |
2913 | uc = unitab_font[uc & 0xFF]; |
2914 | break; |
2915 | case ATTR_OEMCP: |
2916 | uc = unitab_oemcp[uc & 0xFF]; |
2917 | break; |
2918 | } |
2919 | |
2920 | set = (uc & CSET_MASK); |
2921 | c = (uc & CHAR_MASK); |
2922 | cbuf[0] = uc; |
2923 | cbuf[1] = 0; |
2924 | |
2925 | if (DIRECT_FONT(uc)) { |
2926 | if (c >= ' ' && c != 0x7F) { |
2927 | unsigned char buf[4]; |
2928 | WCHAR wbuf[4]; |
2929 | int rv; |
2930 | if (IsDBCSLeadByteEx(font_codepage, (BYTE) c)) { |
2931 | buf[0] = c; |
2932 | buf[1] = (unsigned char) ldata[top.x + 1]; |
2933 | rv = MultiByteToWideChar(font_codepage, |
2934 | 0, buf, 2, wbuf, 4); |
2935 | top.x++; |
2936 | } else { |
2937 | buf[0] = c; |
2938 | rv = MultiByteToWideChar(font_codepage, |
2939 | 0, buf, 1, wbuf, 4); |
2940 | } |
bc1235d4 |
2941 | |
4eeb7d09 |
2942 | if (rv > 0) { |
2943 | memcpy(cbuf, wbuf, rv * sizeof(wchar_t)); |
2944 | cbuf[rv] = 0; |
d3a22f79 |
2945 | } |
d3a22f79 |
2946 | } |
4eeb7d09 |
2947 | } |
2948 | #endif |
2949 | |
2950 | for (p = cbuf; *p; p++) { |
2951 | /* Enough overhead for trailing NL and nul */ |
2952 | if (wblen >= buflen - 16) { |
2953 | workbuf = |
2954 | srealloc(workbuf, |
2955 | sizeof(wchar_t) * (buflen += 100)); |
2956 | wbptr = workbuf + wblen; |
2957 | } |
2958 | wblen++; |
2959 | *wbptr++ = *p; |
bc1235d4 |
2960 | } |
4facdf84 |
2961 | top.x++; |
bc1235d4 |
2962 | } |
2963 | if (nl) { |
2964 | int i; |
4eeb7d09 |
2965 | for (i = 0; i < sel_nl_sz; i++) { |
32874aea |
2966 | wblen++; |
bc1235d4 |
2967 | *wbptr++ = sel_nl[i]; |
2968 | } |
2969 | } |
4facdf84 |
2970 | top.y++; |
6908fed7 |
2971 | top.x = rect ? old_top_x : 0; |
bc1235d4 |
2972 | } |
4eeb7d09 |
2973 | wblen++; |
2974 | *wbptr++ = 0; |
32874aea |
2975 | write_clip(workbuf, wblen, FALSE); /* transfer to clipboard */ |
2976 | if (buflen > 0) /* indicates we allocated this buffer */ |
bc1235d4 |
2977 | sfree(workbuf); |
bc1235d4 |
2978 | } |
4eeb7d09 |
2979 | |
32874aea |
2980 | void term_copyall(void) |
2981 | { |
4facdf84 |
2982 | pos top; |
2983 | top.y = -count234(scrollback); |
2984 | top.x = 0; |
6908fed7 |
2985 | clipme(top, curs, 0); |
4eeb7d09 |
2986 | } |
2987 | |
2988 | /* |
2989 | * The wordness array is mainly for deciding the disposition of the US-ASCII |
2990 | * characters. |
2991 | */ |
2992 | static int wordtype(int uc) |
2993 | { |
2994 | static struct { |
2995 | int start, end, ctype; |
2996 | } *wptr, ucs_words[] = { |
2997 | { |
2998 | 128, 160, 0}, { |
2999 | 161, 191, 1}, { |
3000 | 215, 215, 1}, { |
3001 | 247, 247, 1}, { |
3002 | 0x037e, 0x037e, 1}, /* Greek question mark */ |
3003 | { |
3004 | 0x0387, 0x0387, 1}, /* Greek ano teleia */ |
3005 | { |
3006 | 0x055a, 0x055f, 1}, /* Armenian punctuation */ |
3007 | { |
3008 | 0x0589, 0x0589, 1}, /* Armenian full stop */ |
3009 | { |
3010 | 0x0700, 0x070d, 1}, /* Syriac punctuation */ |
3011 | { |
3012 | 0x104a, 0x104f, 1}, /* Myanmar punctuation */ |
3013 | { |
3014 | 0x10fb, 0x10fb, 1}, /* Georgian punctuation */ |
3015 | { |
3016 | 0x1361, 0x1368, 1}, /* Ethiopic punctuation */ |
3017 | { |
3018 | 0x166d, 0x166e, 1}, /* Canadian Syl. punctuation */ |
3019 | { |
3020 | 0x17d4, 0x17dc, 1}, /* Khmer punctuation */ |
3021 | { |
3022 | 0x1800, 0x180a, 1}, /* Mongolian punctuation */ |
3023 | { |
3024 | 0x2000, 0x200a, 0}, /* Various spaces */ |
3025 | { |
3026 | 0x2070, 0x207f, 2}, /* superscript */ |
3027 | { |
3028 | 0x2080, 0x208f, 2}, /* subscript */ |
3029 | { |
3030 | 0x200b, 0x27ff, 1}, /* punctuation and symbols */ |
3031 | { |
3032 | 0x3000, 0x3000, 0}, /* ideographic space */ |
3033 | { |
3034 | 0x3001, 0x3020, 1}, /* ideographic punctuation */ |
3035 | { |
3036 | 0x303f, 0x309f, 3}, /* Hiragana */ |
3037 | { |
3038 | 0x30a0, 0x30ff, 3}, /* Katakana */ |
3039 | { |
3040 | 0x3300, 0x9fff, 3}, /* CJK Ideographs */ |
3041 | { |
3042 | 0xac00, 0xd7a3, 3}, /* Hangul Syllables */ |
3043 | { |
3044 | 0xf900, 0xfaff, 3}, /* CJK Ideographs */ |
3045 | { |
3046 | 0xfe30, 0xfe6b, 1}, /* punctuation forms */ |
3047 | { |
3048 | 0xff00, 0xff0f, 1}, /* half/fullwidth ASCII */ |
3049 | { |
3050 | 0xff1a, 0xff20, 1}, /* half/fullwidth ASCII */ |
3051 | { |
3052 | 0xff3b, 0xff40, 1}, /* half/fullwidth ASCII */ |
3053 | { |
3054 | 0xff5b, 0xff64, 1}, /* half/fullwidth ASCII */ |
3055 | { |
3056 | 0xfff0, 0xffff, 0}, /* half/fullwidth ASCII */ |
3057 | { |
3058 | 0, 0, 0} |
3059 | }; |
3060 | |
3061 | uc &= (CSET_MASK | CHAR_MASK); |
3062 | |
3063 | switch (uc & CSET_MASK) { |
3064 | case ATTR_LINEDRW: |
3065 | uc = unitab_xterm[uc & 0xFF]; |
3066 | break; |
3067 | case ATTR_ASCII: |
3068 | uc = unitab_line[uc & 0xFF]; |
3069 | break; |
d3cb5465 |
3070 | case ATTR_SCOACS: |
3071 | uc = unitab_scoacs[uc&0xFF]; |
3072 | break; |
4eeb7d09 |
3073 | } |
3074 | switch (uc & CSET_MASK) { |
3075 | case ATTR_ACP: |
3076 | uc = unitab_font[uc & 0xFF]; |
3077 | break; |
3078 | case ATTR_OEMCP: |
3079 | uc = unitab_oemcp[uc & 0xFF]; |
3080 | break; |
3081 | } |
3082 | |
5a73255e |
3083 | /* For DBCS font's I can't do anything usefull. Even this will sometimes |
3084 | * fail as there's such a thing as a double width space. :-( |
3085 | */ |
3086 | if (dbcs_screenfont && font_codepage == line_codepage) |
3087 | return (uc != ' '); |
3088 | |
4eeb7d09 |
3089 | if (uc < 0x80) |
3090 | return wordness[uc]; |
3091 | |
3092 | for (wptr = ucs_words; wptr->start; wptr++) { |
3093 | if (uc >= wptr->start && uc <= wptr->end) |
3094 | return wptr->ctype; |
3095 | } |
3096 | |
3097 | return 2; |
bc1235d4 |
3098 | } |
3099 | |
374330e2 |
3100 | /* |
3101 | * Spread the selection outwards according to the selection mode. |
3102 | */ |
32874aea |
3103 | static pos sel_spread_half(pos p, int dir) |
3104 | { |
4facdf84 |
3105 | unsigned long *ldata; |
374330e2 |
3106 | short wvalue; |
50ab4088 |
3107 | int topy = -count234(scrollback); |
374330e2 |
3108 | |
4facdf84 |
3109 | ldata = lineptr(p.y); |
374330e2 |
3110 | |
3111 | switch (selmode) { |
3112 | case SM_CHAR: |
3113 | /* |
3114 | * In this mode, every character is a separate unit, except |
3115 | * for runs of spaces at the end of a non-wrapping line. |
3116 | */ |
4eeb7d09 |
3117 | if (!(ldata[cols] & LATTR_WRAPPED)) { |
32874aea |
3118 | unsigned long *q = ldata + cols; |
4facdf84 |
3119 | while (q > ldata && (q[-1] & CHAR_MASK) == 0x20) |
374330e2 |
3120 | q--; |
32874aea |
3121 | if (q == ldata + cols) |
374330e2 |
3122 | q--; |
32874aea |
3123 | if (p.x >= q - ldata) |
3124 | p.x = (dir == -1 ? q - ldata : cols - 1); |
374330e2 |
3125 | } |
3126 | break; |
3127 | case SM_WORD: |
3128 | /* |
3129 | * In this mode, the units are maximal runs of characters |
3130 | * whose `wordness' has the same value. |
3131 | */ |
4eeb7d09 |
3132 | wvalue = wordtype(ldata[p.x]); |
374330e2 |
3133 | if (dir == +1) { |
50ab4088 |
3134 | while (1) { |
3135 | if (p.x < cols-1) { |
3136 | if (wordtype(ldata[p.x + 1]) == wvalue) |
3137 | p.x++; |
3138 | else |
3139 | break; |
3140 | } else { |
3141 | if (ldata[cols] & LATTR_WRAPPED) { |
3142 | unsigned long *ldata2; |
3143 | ldata2 = lineptr(p.y+1); |
3144 | if (wordtype(ldata2[0]) == wvalue) { |
3145 | p.x = 0; |
3146 | p.y++; |
3147 | ldata = ldata2; |
3148 | } else |
3149 | break; |
3150 | } else |
3151 | break; |
3152 | } |
3153 | } |
374330e2 |
3154 | } else { |
50ab4088 |
3155 | while (1) { |
3156 | if (p.x > 0) { |
3157 | if (wordtype(ldata[p.x - 1]) == wvalue) |
3158 | p.x--; |
3159 | else |
3160 | break; |
3161 | } else { |
3162 | unsigned long *ldata2; |
3163 | if (p.y <= topy) |
3164 | break; |
3165 | ldata2 = lineptr(p.y-1); |
3166 | if ((ldata2[cols] & LATTR_WRAPPED) && |
3167 | wordtype(ldata2[cols-1]) == wvalue) { |
3168 | p.x = cols-1; |
3169 | p.y--; |
3170 | ldata = ldata2; |
3171 | } else |
3172 | break; |
3173 | } |
3174 | } |
374330e2 |
3175 | } |
3176 | break; |
3177 | case SM_LINE: |
3178 | /* |
3179 | * In this mode, every line is a unit. |
3180 | */ |
4facdf84 |
3181 | p.x = (dir == -1 ? 0 : cols - 1); |
374330e2 |
3182 | break; |
3183 | } |
3184 | return p; |
3185 | } |
3186 | |
32874aea |
3187 | static void sel_spread(void) |
3188 | { |
6908fed7 |
3189 | if (seltype == LEXICOGRAPHIC) { |
3190 | selstart = sel_spread_half(selstart, -1); |
3191 | decpos(selend); |
3192 | selend = sel_spread_half(selend, +1); |
3193 | incpos(selend); |
3194 | } |
374330e2 |
3195 | } |
3196 | |
568dd02f |
3197 | void term_do_paste(void) |
3198 | { |
3199 | wchar_t *data; |
3200 | int len; |
3201 | |
3202 | get_clip(&data, &len); |
3203 | if (data) { |
3204 | wchar_t *p, *q; |
3205 | |
3206 | if (paste_buffer) |
3207 | sfree(paste_buffer); |
3208 | paste_pos = paste_hold = paste_len = 0; |
3209 | paste_buffer = smalloc(len * sizeof(wchar_t)); |
3210 | |
3211 | p = q = data; |
3212 | while (p < data + len) { |
3213 | while (p < data + len && |
3214 | !(p <= data + len - sel_nl_sz && |
3215 | !memcmp(p, sel_nl, sizeof(sel_nl)))) |
3216 | p++; |
3217 | |
3218 | { |
3219 | int i; |
3220 | for (i = 0; i < p - q; i++) { |
3221 | paste_buffer[paste_len++] = q[i]; |
3222 | } |
3223 | } |
3224 | |
3225 | if (p <= data + len - sel_nl_sz && |
3226 | !memcmp(p, sel_nl, sizeof(sel_nl))) { |
3227 | paste_buffer[paste_len++] = '\r'; |
3228 | p += sel_nl_sz; |
3229 | } |
3230 | q = p; |
3231 | } |
3232 | |
3233 | /* Assume a small paste will be OK in one go. */ |
3234 | if (paste_len < 256) { |
760e88b2 |
3235 | luni_send(paste_buffer, paste_len, 0); |
568dd02f |
3236 | if (paste_buffer) |
3237 | sfree(paste_buffer); |
3238 | paste_buffer = 0; |
3239 | paste_pos = paste_hold = paste_len = 0; |
3240 | } |
3241 | } |
3242 | get_clip(NULL, NULL); |
3243 | } |
3244 | |
32874aea |
3245 | void term_mouse(Mouse_Button b, Mouse_Action a, int x, int y, |
6908fed7 |
3246 | int shift, int ctrl, int alt) |
32874aea |
3247 | { |
4facdf84 |
3248 | pos selpoint; |
3249 | unsigned long *ldata; |
fff61f25 |
3250 | int raw_mouse = xterm_mouse && !(cfg.mouse_override && shift); |
6908fed7 |
3251 | int default_seltype; |
32874aea |
3252 | |
fff61f25 |
3253 | if (y < 0) { |
32874aea |
3254 | y = 0; |
fff61f25 |
3255 | if (a == MA_DRAG && !raw_mouse) |
3256 | term_scroll(0, -1); |
3257 | } |
3258 | if (y >= rows) { |
32874aea |
3259 | y = rows - 1; |
fff61f25 |
3260 | if (a == MA_DRAG && !raw_mouse) |
3261 | term_scroll(0, +1); |
3262 | } |
32874aea |
3263 | if (x < 0) { |
3264 | if (y > 0) { |
3265 | x = cols - 1; |
3266 | y--; |
3267 | } else |
3268 | x = 0; |
094ed2a6 |
3269 | } |
32874aea |
3270 | if (x >= cols) |
3271 | x = cols - 1; |
37508af4 |
3272 | |
4facdf84 |
3273 | selpoint.y = y + disptop; |
3274 | selpoint.x = x; |
3275 | ldata = lineptr(selpoint.y); |
32874aea |
3276 | if ((ldata[cols] & LATTR_MODE) != LATTR_NORM) |
4facdf84 |
3277 | selpoint.x /= 2; |
374330e2 |
3278 | |
fff61f25 |
3279 | if (raw_mouse) { |
01c034ad |
3280 | int encstate = 0, r, c; |
3281 | char abuf[16]; |
3282 | static int is_down = 0; |
3283 | |
32874aea |
3284 | switch (b) { |
01c034ad |
3285 | case MBT_LEFT: |
32874aea |
3286 | encstate = 0x20; /* left button down */ |
01c034ad |
3287 | break; |
3288 | case MBT_MIDDLE: |
3289 | encstate = 0x21; |
3290 | break; |
3291 | case MBT_RIGHT: |
3292 | encstate = 0x22; |
3293 | break; |
3294 | case MBT_WHEEL_UP: |
3295 | encstate = 0x60; |
3296 | break; |
3297 | case MBT_WHEEL_DOWN: |
3298 | encstate = 0x61; |
3299 | break; |
2d466ffd |
3300 | default: break; /* placate gcc warning about enum use */ |
01c034ad |
3301 | } |
32874aea |
3302 | switch (a) { |
01c034ad |
3303 | case MA_DRAG: |
3304 | if (xterm_mouse == 1) |
3305 | return; |
3306 | encstate += 0x20; |
3307 | break; |
3308 | case MA_RELEASE: |
3309 | encstate = 0x23; |
3310 | is_down = 0; |
3311 | break; |
3312 | case MA_CLICK: |
3313 | if (is_down == b) |
3314 | return; |
3315 | is_down = b; |
3316 | break; |
2d466ffd |
3317 | default: break; /* placate gcc warning about enum use */ |
01c034ad |
3318 | } |
3319 | if (shift) |
3320 | encstate += 0x04; |
3321 | if (ctrl) |
3322 | encstate += 0x10; |
3323 | r = y + 33; |
3324 | c = x + 33; |
3325 | |
3326 | sprintf(abuf, "\033[M%c%c%c", encstate, c, r); |
760e88b2 |
3327 | ldisc_send(abuf, 6, 0); |
01c034ad |
3328 | return; |
3329 | } |
3330 | |
3331 | b = translate_button(b); |
3332 | |
6908fed7 |
3333 | /* |
3334 | * Set the selection type (rectangular or normal) at the start |
3335 | * of a selection attempt, from the state of Alt. |
3336 | */ |
3337 | if (!alt ^ !cfg.rect_select) |
3338 | default_seltype = RECTANGULAR; |
3339 | else |
3340 | default_seltype = LEXICOGRAPHIC; |
3341 | |
3342 | if (selstate == NO_SELECTION) { |
3343 | seltype = default_seltype; |
3344 | } |
3345 | |
01c034ad |
3346 | if (b == MBT_SELECT && a == MA_CLICK) { |
374330e2 |
3347 | deselect(); |
3348 | selstate = ABOUT_TO; |
6908fed7 |
3349 | seltype = default_seltype; |
374330e2 |
3350 | selanchor = selpoint; |
3351 | selmode = SM_CHAR; |
01c034ad |
3352 | } else if (b == MBT_SELECT && (a == MA_2CLK || a == MA_3CLK)) { |
374330e2 |
3353 | deselect(); |
3354 | selmode = (a == MA_2CLK ? SM_WORD : SM_LINE); |
3355 | selstate = DRAGGING; |
3356 | selstart = selanchor = selpoint; |
4facdf84 |
3357 | selend = selstart; |
3358 | incpos(selend); |
374330e2 |
3359 | sel_spread(); |
01c034ad |
3360 | } else if ((b == MBT_SELECT && a == MA_DRAG) || |
3361 | (b == MBT_EXTEND && a != MA_RELEASE)) { |
4facdf84 |
3362 | if (selstate == ABOUT_TO && poseq(selanchor, selpoint)) |
374330e2 |
3363 | return; |
01c034ad |
3364 | if (b == MBT_EXTEND && a != MA_DRAG && selstate == SELECTED) { |
6908fed7 |
3365 | if (seltype == LEXICOGRAPHIC) { |
3366 | /* |
3367 | * For normal selection, we extend by moving |
3368 | * whichever end of the current selection is closer |
3369 | * to the mouse. |
3370 | */ |
3371 | if (posdiff(selpoint, selstart) < |
3372 | posdiff(selend, selstart) / 2) { |
3373 | selanchor = selend; |
3374 | decpos(selanchor); |
3375 | } else { |
3376 | selanchor = selstart; |
3377 | } |
4facdf84 |
3378 | } else { |
6908fed7 |
3379 | /* |
3380 | * For rectangular selection, we have a choice of |
3381 | * _four_ places to put selanchor and selpoint: the |
3382 | * four corners of the selection. |
3383 | */ |
3384 | if (2*selpoint.x < selstart.x + selend.x) |
3385 | selanchor.x = selend.x-1; |
3386 | else |
3387 | selanchor.x = selstart.x; |
3388 | |
3389 | if (2*selpoint.y < selstart.y + selend.y) |
3390 | selanchor.y = selend.y; |
3391 | else |
3392 | selanchor.y = selstart.y; |
4facdf84 |
3393 | } |
374330e2 |
3394 | selstate = DRAGGING; |
3395 | } |
3396 | if (selstate != ABOUT_TO && selstate != DRAGGING) |
3397 | selanchor = selpoint; |
3398 | selstate = DRAGGING; |
6908fed7 |
3399 | if (seltype == LEXICOGRAPHIC) { |
3400 | /* |
3401 | * For normal selection, we set (selstart,selend) to |
3402 | * (selpoint,selanchor) in some order. |
3403 | */ |
3404 | if (poslt(selpoint, selanchor)) { |
3405 | selstart = selpoint; |
3406 | selend = selanchor; |
3407 | incpos(selend); |
3408 | } else { |
3409 | selstart = selanchor; |
3410 | selend = selpoint; |
3411 | incpos(selend); |
3412 | } |
374330e2 |
3413 | } else { |
6908fed7 |
3414 | /* |
3415 | * For rectangular selection, we may need to |
3416 | * interchange x and y coordinates (if the user has |
3417 | * dragged in the -x and +y directions, or vice versa). |
3418 | */ |
3419 | selstart.x = min(selanchor.x, selpoint.x); |
3420 | selend.x = 1+max(selanchor.x, selpoint.x); |
3421 | selstart.y = min(selanchor.y, selpoint.y); |
3422 | selend.y = max(selanchor.y, selpoint.y); |
374330e2 |
3423 | } |
3424 | sel_spread(); |
01c034ad |
3425 | } else if ((b == MBT_SELECT || b == MBT_EXTEND) && a == MA_RELEASE) { |
374330e2 |
3426 | if (selstate == DRAGGING) { |
3427 | /* |
3428 | * We've completed a selection. We now transfer the |
3429 | * data to the clipboard. |
3430 | */ |
6908fed7 |
3431 | clipme(selstart, selend, (seltype == RECTANGULAR)); |
374330e2 |
3432 | selstate = SELECTED; |
3433 | } else |
3434 | selstate = NO_SELECTION; |
32874aea |
3435 | } else if (b == MBT_PASTE |
3436 | && (a == MA_CLICK || a == MA_2CLK || a == MA_3CLK)) { |
568dd02f |
3437 | term_do_paste(); |
374330e2 |
3438 | } |
3439 | |
3440 | term_update(); |
3441 | } |
3442 | |
32874aea |
3443 | void term_nopaste() |
3444 | { |
3445 | if (paste_len == 0) |
3446 | return; |
c9def1b8 |
3447 | sfree(paste_buffer); |
3448 | paste_buffer = 0; |
3449 | paste_len = 0; |
3450 | } |
3451 | |
32874aea |
3452 | void term_paste() |
3453 | { |
8df7a775 |
3454 | static long last_paste = 0; |
c9def1b8 |
3455 | long now, paste_diff; |
3456 | |
32874aea |
3457 | if (paste_len == 0) |
3458 | return; |
c9def1b8 |
3459 | |
3460 | /* Don't wait forever to paste */ |
32874aea |
3461 | if (paste_hold) { |
3462 | now = GetTickCount(); |
3463 | paste_diff = now - last_paste; |
3464 | if (paste_diff >= 0 && paste_diff < 450) |
c9def1b8 |
3465 | return; |
3466 | } |
3467 | paste_hold = 0; |
3468 | |
32874aea |
3469 | while (paste_pos < paste_len) { |
8df7a775 |
3470 | int n = 0; |
3471 | while (n + paste_pos < paste_len) { |
3472 | if (paste_buffer[paste_pos + n++] == '\r') |
3473 | break; |
3474 | } |
760e88b2 |
3475 | luni_send(paste_buffer + paste_pos, n, 0); |
8df7a775 |
3476 | paste_pos += n; |
c9def1b8 |
3477 | |
8df7a775 |
3478 | if (paste_pos < paste_len) { |
c9def1b8 |
3479 | paste_hold = 1; |
3480 | return; |
3481 | } |
3482 | } |
3483 | sfree(paste_buffer); |
3484 | paste_buffer = 0; |
3485 | paste_len = 0; |
3486 | } |
3487 | |
32874aea |
3488 | static void deselect(void) |
3489 | { |
374330e2 |
3490 | selstate = NO_SELECTION; |
4facdf84 |
3491 | selstart.x = selstart.y = selend.x = selend.y = 0; |
374330e2 |
3492 | } |
3493 | |
32874aea |
3494 | void term_deselect(void) |
3495 | { |
374330e2 |
3496 | deselect(); |
3497 | term_update(); |
3498 | } |
fe50e814 |
3499 | |
32874aea |
3500 | int term_ldisc(int option) |
3501 | { |
3502 | if (option == LD_ECHO) |
3503 | return term_echoing; |
3504 | if (option == LD_EDIT) |
3505 | return term_editing; |
0965bee0 |
3506 | return FALSE; |
3507 | } |
3508 | |
fe50e814 |
3509 | /* |
3510 | * from_backend(), to get data from the backend for the terminal. |
3511 | */ |
5471d09a |
3512 | int from_backend(int is_stderr, char *data, int len) |
32874aea |
3513 | { |
a748a096 |
3514 | bufchain_add(&inbuf, data, len); |
5471d09a |
3515 | |
3516 | /* |
a748a096 |
3517 | * term_out() always completely empties inbuf. Therefore, |
3518 | * there's no reason at all to return anything other than zero |
3519 | * from this function, because there _can't_ be a question of |
3520 | * the remote side needing to wait until term_out() has cleared |
3521 | * a backlog. |
3522 | * |
5471d09a |
3523 | * This is a slightly suboptimal way to deal with SSH2 - in |
3524 | * principle, the window mechanism would allow us to continue |
3525 | * to accept data on forwarded ports and X connections even |
3526 | * while the terminal processing was going slowly - but we |
3527 | * can't do the 100% right thing without moving the terminal |
3528 | * processing into a separate thread, and that might hurt |
3529 | * portability. So we manage stdout buffering the old SSH1 way: |
3530 | * if the terminal processing goes slowly, the whole SSH |
3531 | * connection stops accepting data until it's ready. |
a748a096 |
3532 | * |
5471d09a |
3533 | * In practice, I can't imagine this causing serious trouble. |
3534 | */ |
3535 | return 0; |
fe50e814 |
3536 | } |
e1c8e0ed |
3537 | |
3538 | /* |
3539 | * Log session traffic. |
3540 | */ |
32874aea |
3541 | void logtraffic(unsigned char c, int logmode) |
3542 | { |
e1c8e0ed |
3543 | if (cfg.logtype > 0) { |
3544 | if (cfg.logtype == logmode) { |
3545 | /* deferred open file from pgm start? */ |
32874aea |
3546 | if (!lgfp) |
3547 | logfopen(); |
3548 | if (lgfp) |
3549 | fputc(c, lgfp); |
3550 | } |
e1c8e0ed |
3551 | } |
3552 | } |
3553 | |
66ee282a |
3554 | void settimstr(char *ta, int no_sec); |
3555 | char *subslfcode(char *dest, char *src, char *dstrt); |
3556 | char *stpncpy(char *dst, const char *src, size_t maxlen); |
3557 | char timdatbuf[20]; |
3558 | char currlogfilename[FILENAME_MAX]; |
3559 | |
e1c8e0ed |
3560 | /* open log file append/overwrite mode */ |
32874aea |
3561 | void logfopen(void) |
3562 | { |
e1c8e0ed |
3563 | char buf[256]; |
3564 | time_t t; |
66ee282a |
3565 | struct tm tm; |
e1c8e0ed |
3566 | char writemod[4]; |
3567 | |
3568 | if (!cfg.logtype) |
3569 | return; |
32874aea |
3570 | sprintf(writemod, "wb"); /* default to rewrite */ |
66ee282a |
3571 | |
3572 | time(&t); |
3573 | tm = *localtime(&t); |
3574 | |
3575 | /* substitute special codes in file name */ |
3576 | xlatlognam(currlogfilename,cfg.logfilename,cfg.host, &tm); |
3577 | |
3578 | lgfp = fopen(currlogfilename, "r"); /* file already present? */ |
e1c8e0ed |
3579 | if (lgfp) { |
3580 | int i; |
3581 | fclose(lgfp); |
66ee282a |
3582 | i = askappend(currlogfilename); |
e1c8e0ed |
3583 | if (i == 1) |
3584 | writemod[0] = 'a'; /* set append mode */ |
3585 | else if (i == 0) { /* cancelled */ |
3586 | lgfp = NULL; |
32874aea |
3587 | cfg.logtype = 0; /* disable logging */ |
e1c8e0ed |
3588 | return; |
3589 | } |
3590 | } |
3591 | |
66ee282a |
3592 | lgfp = fopen(currlogfilename, writemod); |
32874aea |
3593 | if (lgfp) { /* enter into event log */ |
e1c8e0ed |
3594 | sprintf(buf, "%s session log (%s mode) to file : ", |
3595 | (writemod[0] == 'a') ? "Appending" : "Writing new", |
3596 | (cfg.logtype == LGTYP_ASCII ? "ASCII" : |
32874aea |
3597 | cfg.logtype == LGTYP_DEBUG ? "raw" : "<ukwn>")); |
e1c8e0ed |
3598 | /* Make sure we do not exceed the output buffer size */ |
66ee282a |
3599 | strncat(buf, currlogfilename, 128); |
e1c8e0ed |
3600 | buf[strlen(buf)] = '\0'; |
3601 | logevent(buf); |
3602 | |
66ee282a |
3603 | /* --- write header line into log file */ |
32874aea |
3604 | fputs("=~=~=~=~=~=~=~=~=~=~=~= PuTTY log ", lgfp); |
66ee282a |
3605 | strftime(buf, 24, "%Y.%m.%d %H:%M:%S", &tm); |
32874aea |
3606 | fputs(buf, lgfp); |
3607 | fputs(" =~=~=~=~=~=~=~=~=~=~=~=\r\n", lgfp); |
e1c8e0ed |
3608 | } |
3609 | } |
3610 | |
32874aea |
3611 | void logfclose(void) |
3612 | { |
3613 | if (lgfp) { |
3614 | fclose(lgfp); |
3615 | lgfp = NULL; |
3616 | } |
e1c8e0ed |
3617 | } |
66ee282a |
3618 | |
3619 | /* |
3620 | * translate format codes into time/date strings |
3621 | * and insert them into log file name |
3622 | * |
3623 | * "&Y":YYYY "&m":MM "&d":DD "&T":hhmm "&h":<hostname> "&&":& |
3624 | */ |
3625 | static void xlatlognam(char *d, char *s, char *hostname, struct tm *tm) { |
3626 | char buf[10], *bufp; |
3627 | int size; |
3628 | char *ds = d; /* save start pos. */ |
3629 | int len = FILENAME_MAX-1; |
3630 | |
3631 | while (*s) { |
3632 | /* Let (bufp, len) be the string to append. */ |
3633 | bufp = buf; /* don't usually override this */ |
3634 | if (*s == '&') { |
3635 | char c; |
3636 | s++; |
3637 | if (*s) switch (c = *s++, tolower(c)) { |
3638 | case 'y': |
3639 | size = strftime(buf, sizeof(buf), "%Y", tm); |
3640 | break; |
3641 | case 'm': |
3642 | size = strftime(buf, sizeof(buf), "%m", tm); |
3643 | break; |
3644 | case 'd': |
3645 | size = strftime(buf, sizeof(buf), "%d", tm); |
3646 | break; |
3647 | case 't': |
3648 | size = strftime(buf, sizeof(buf), "%H%M%S", tm); |
3649 | break; |
3650 | case 'h': |
3651 | bufp = hostname; |
3652 | size = strlen(bufp); |
3653 | break; |
3654 | default: |
3655 | buf[0] = '&'; |
3656 | size = 1; |
3657 | if (c != '&') |
3658 | buf[size++] = c; |
3659 | } |
3660 | } else { |
3661 | buf[0] = *s++; |
3662 | size = 1; |
3663 | } |
3664 | if (size > len) |
3665 | size = len; |
3666 | memcpy(d, bufp, size); |
3667 | d += size; |
3668 | len -= size; |
3669 | } |
3670 | *d = '\0'; |
3671 | } |