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); |
374330e2 |
209 | |
210 | /* |
2371caac |
211 | * Resize a line to make it `cols' columns wide. |
212 | */ |
213 | unsigned long *resizeline(unsigned long *line, int cols) |
214 | { |
215 | int i, oldlen; |
216 | unsigned long lineattrs; |
217 | |
218 | if (line[0] != (unsigned long)cols) { |
219 | /* |
220 | * This line is the wrong length, which probably means it |
221 | * hasn't been accessed since a resize. Resize it now. |
222 | */ |
223 | oldlen = line[0]; |
224 | lineattrs = line[oldlen + 1]; |
225 | line = srealloc(line, TSIZE * (2 + cols)); |
226 | line[0] = cols; |
227 | for (i = oldlen; i < cols; i++) |
228 | line[i + 1] = ERASE_CHAR; |
229 | line[cols + 1] = lineattrs & LATTR_MODE; |
230 | } |
231 | |
232 | return line; |
233 | } |
234 | |
235 | /* |
c83de303 |
236 | * Retrieve a line of the screen or of the scrollback, according to |
237 | * whether the y coordinate is non-negative or negative |
238 | * (respectively). |
239 | */ |
32874aea |
240 | unsigned long *lineptr(int y, int lineno) |
241 | { |
2371caac |
242 | unsigned long *line, *newline; |
c83de303 |
243 | tree234 *whichtree; |
2371caac |
244 | int treeindex; |
c83de303 |
245 | |
246 | if (y >= 0) { |
247 | whichtree = screen; |
248 | treeindex = y; |
249 | } else { |
250 | whichtree = scrollback; |
251 | treeindex = y + count234(scrollback); |
252 | } |
253 | line = index234(whichtree, treeindex); |
254 | |
255 | /* We assume that we don't screw up and retrieve something out of range. */ |
c83de303 |
256 | assert(line != NULL); |
c83de303 |
257 | |
2371caac |
258 | newline = resizeline(line, cols); |
259 | if (newline != line) { |
c83de303 |
260 | delpos234(whichtree, treeindex); |
2371caac |
261 | addpos234(whichtree, newline, treeindex); |
04dcfaa2 |
262 | line = newline; |
c83de303 |
263 | } |
264 | |
32874aea |
265 | return line + 1; |
c83de303 |
266 | } |
32874aea |
267 | |
c83de303 |
268 | #define lineptr(x) lineptr(x,__LINE__) |
269 | /* |
374330e2 |
270 | * Set up power-on settings for the terminal. |
271 | */ |
32874aea |
272 | static void power_on(void) |
273 | { |
4facdf84 |
274 | curs.x = curs.y = alt_x = alt_y = savecurs.x = savecurs.y = 0; |
374330e2 |
275 | alt_t = marg_t = 0; |
276 | if (rows != -1) |
277 | alt_b = marg_b = rows - 1; |
278 | else |
279 | alt_b = marg_b = 0; |
280 | if (cols != -1) { |
281 | int i; |
282 | for (i = 0; i < cols; i++) |
283 | tabs[i] = (i % 8 == 0 ? TRUE : FALSE); |
284 | } |
285 | alt_om = dec_om = cfg.dec_om; |
286 | alt_wnext = wrapnext = alt_ins = insert = FALSE; |
287 | alt_wrap = wrap = cfg.wrap_mode; |
288 | alt_cset = cset = 0; |
8f22582c |
289 | alt_utf = utf = 0; |
d3cb5465 |
290 | alt_sco_acs = sco_acs = 0; |
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291 | cset_attr[0] = cset_attr[1] = ATTR_ASCII; |
292 | rvideo = 0; |
156686ef |
293 | in_vbell = FALSE; |
e14a5a13 |
294 | cursor_on = 1; |
4eeb7d09 |
295 | big_cursor = 0; |
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296 | save_attr = curr_attr = ATTR_DEFAULT; |
0965bee0 |
297 | term_editing = term_echoing = FALSE; |
760e88b2 |
298 | ldisc_send(NULL, 0, 0); /* cause ldisc to notice changes */ |
374330e2 |
299 | app_cursor_keys = cfg.app_cursor; |
300 | app_keypad_keys = cfg.app_keypad; |
c9def1b8 |
301 | use_bce = cfg.bce; |
302 | blink_is_real = cfg.blinktext; |
e14a5a13 |
303 | erase_char = ERASE_CHAR; |
374330e2 |
304 | alt_which = 0; |
305 | { |
306 | int i; |
307 | for (i = 0; i < 256; i++) |
308 | wordness[i] = cfg.wordness[i]; |
309 | } |
4facdf84 |
310 | if (screen) { |
32874aea |
311 | swap_screen(1); |
312 | erase_lots(FALSE, TRUE, TRUE); |
313 | swap_screen(0); |
314 | erase_lots(FALSE, TRUE, TRUE); |
374330e2 |
315 | } |
316 | } |
317 | |
318 | /* |
319 | * Force a screen update. |
320 | */ |
32874aea |
321 | void term_update(void) |
322 | { |
374330e2 |
323 | Context ctx; |
324 | ctx = get_ctx(); |
325 | if (ctx) { |
4f892125 |
326 | int need_sbar_update = seen_disp_event; |
32874aea |
327 | if ((seen_key_event && (cfg.scroll_on_key)) || |
328 | (seen_disp_event && (cfg.scroll_on_disp))) { |
4facdf84 |
329 | disptop = 0; /* return to main screen */ |
cabfd08c |
330 | seen_disp_event = seen_key_event = 0; |
4f892125 |
331 | need_sbar_update = TRUE; |
cabfd08c |
332 | } |
4f892125 |
333 | if (need_sbar_update) |
334 | update_sbar(); |
32874aea |
335 | do_paint(ctx, TRUE); |
336 | sys_cursor(curs.x, curs.y - disptop); |
337 | free_ctx(ctx); |
374330e2 |
338 | } |
339 | } |
340 | |
341 | /* |
342 | * Same as power_on(), but an external function. |
343 | */ |
32874aea |
344 | void term_pwron(void) |
345 | { |
374330e2 |
346 | power_on(); |
347 | fix_cpos; |
4facdf84 |
348 | disptop = 0; |
374330e2 |
349 | deselect(); |
350 | term_update(); |
351 | } |
352 | |
353 | /* |
354 | * Clear the scrollback. |
355 | */ |
32874aea |
356 | void term_clrsb(void) |
357 | { |
4facdf84 |
358 | unsigned long *line; |
359 | disptop = 0; |
360 | while ((line = delpos234(scrollback, 0)) != NULL) { |
361 | sfree(line); |
362 | } |
374330e2 |
363 | update_sbar(); |
364 | } |
365 | |
366 | /* |
367 | * Initialise the terminal. |
368 | */ |
32874aea |
369 | void term_init(void) |
370 | { |
4facdf84 |
371 | screen = alt_screen = scrollback = NULL; |
372 | disptop = 0; |
4eeb7d09 |
373 | disptext = dispcurs = NULL; |
374330e2 |
374 | tabs = NULL; |
374330e2 |
375 | deselect(); |
376 | rows = cols = -1; |
374330e2 |
377 | power_on(); |
156686ef |
378 | beephead = beeptail = NULL; |
379 | nbeeps = 0; |
380 | lastbeep = FALSE; |
381 | beep_overloaded = FALSE; |
374330e2 |
382 | } |
383 | |
384 | /* |
385 | * Set up the terminal for a given size. |
386 | */ |
32874aea |
387 | void term_size(int newrows, int newcols, int newsavelines) |
388 | { |
2d466ffd |
389 | tree234 *newalt; |
390 | unsigned long *newdisp, *line; |
391 | int i, j; |
c83de303 |
392 | int sblen; |
d6832394 |
393 | int save_alt_which = alt_which; |
394 | |
374330e2 |
395 | if (newrows == rows && newcols == cols && newsavelines == savelines) |
396 | return; /* nothing to do */ |
397 | |
d6832394 |
398 | deselect(); |
399 | swap_screen(0); |
400 | |
374330e2 |
401 | alt_t = marg_t = 0; |
402 | alt_b = marg_b = newrows - 1; |
403 | |
c83de303 |
404 | if (rows == -1) { |
405 | scrollback = newtree234(NULL); |
406 | screen = newtree234(NULL); |
407 | rows = 0; |
408 | } |
409 | |
410 | /* |
411 | * Resize the screen and scrollback. We only need to shift |
412 | * lines around within our data structures, because lineptr() |
413 | * will take care of resizing each individual line if |
414 | * necessary. So: |
415 | * |
416 | * - If the new screen and the old screen differ in length, we |
417 | * must shunt some lines in from the scrollback or out to |
418 | * the scrollback. |
419 | * |
420 | * - If doing that fails to provide us with enough material to |
421 | * fill the new screen (i.e. the number of rows needed in |
422 | * the new screen exceeds the total number in the previous |
423 | * screen+scrollback), we must invent some blank lines to |
424 | * cover the gap. |
425 | * |
426 | * - Then, if the new scrollback length is less than the |
427 | * amount of scrollback we actually have, we must throw some |
428 | * away. |
429 | */ |
430 | sblen = count234(scrollback); |
cdd6c586 |
431 | /* Do this loop to expand the screen if newrows > rows */ |
432 | for (i = rows; i < newrows; i++) { |
32874aea |
433 | if (sblen > 0) { |
434 | line = delpos234(scrollback, --sblen); |
435 | } else { |
436 | line = smalloc(TSIZE * (newcols + 2)); |
437 | line[0] = newcols; |
438 | for (j = 0; j <= newcols; j++) |
439 | line[j + 1] = ERASE_CHAR; |
440 | } |
441 | addpos234(screen, line, 0); |
cdd6c586 |
442 | } |
443 | /* Do this loop to shrink the screen if newrows < rows */ |
444 | for (i = newrows; i < rows; i++) { |
32874aea |
445 | line = delpos234(screen, 0); |
446 | addpos234(scrollback, line, sblen++); |
c83de303 |
447 | } |
448 | assert(count234(screen) == newrows); |
449 | while (sblen > newsavelines) { |
450 | line = delpos234(scrollback, 0); |
451 | sfree(line); |
452 | sblen--; |
c9def1b8 |
453 | } |
c83de303 |
454 | assert(count234(scrollback) <= newsavelines); |
4facdf84 |
455 | disptop = 0; |
374330e2 |
456 | |
32874aea |
457 | newdisp = smalloc(newrows * (newcols + 1) * TSIZE); |
458 | for (i = 0; i < newrows * (newcols + 1); i++) |
374330e2 |
459 | newdisp[i] = ATTR_INVALID; |
32874aea |
460 | sfree(disptext); |
374330e2 |
461 | disptext = newdisp; |
4eeb7d09 |
462 | dispcurs = NULL; |
374330e2 |
463 | |
4facdf84 |
464 | newalt = newtree234(NULL); |
32874aea |
465 | for (i = 0; i < newrows; i++) { |
466 | line = smalloc(TSIZE * (newcols + 2)); |
c83de303 |
467 | line[0] = newcols; |
4facdf84 |
468 | for (j = 0; j <= newcols; j++) |
32874aea |
469 | line[j + 1] = erase_char; |
4facdf84 |
470 | addpos234(newalt, line, i); |
471 | } |
472 | if (alt_screen) { |
473 | while (NULL != (line = delpos234(alt_screen, 0))) |
474 | sfree(line); |
475 | freetree234(alt_screen); |
476 | } |
477 | alt_screen = newalt; |
374330e2 |
478 | |
32874aea |
479 | tabs = srealloc(tabs, newcols * sizeof(*tabs)); |
374330e2 |
480 | { |
481 | int i; |
482 | for (i = (cols > 0 ? cols : 0); i < newcols; i++) |
483 | tabs[i] = (i % 8 == 0 ? TRUE : FALSE); |
484 | } |
485 | |
486 | if (rows > 0) |
4facdf84 |
487 | curs.y += newrows - rows; |
488 | if (curs.y < 0) |
489 | curs.y = 0; |
490 | if (curs.y >= newrows) |
32874aea |
491 | curs.y = newrows - 1; |
4facdf84 |
492 | if (curs.x >= newcols) |
32874aea |
493 | curs.x = newcols - 1; |
374330e2 |
494 | alt_x = alt_y = 0; |
495 | wrapnext = alt_wnext = FALSE; |
496 | |
497 | rows = newrows; |
498 | cols = newcols; |
499 | savelines = newsavelines; |
500 | fix_cpos; |
501 | |
d6832394 |
502 | swap_screen(save_alt_which); |
503 | |
374330e2 |
504 | update_sbar(); |
505 | term_update(); |
5a73255e |
506 | back->size(); |
374330e2 |
507 | } |
508 | |
509 | /* |
510 | * Swap screens. |
511 | */ |
32874aea |
512 | static void swap_screen(int which) |
513 | { |
374330e2 |
514 | int t; |
4facdf84 |
515 | tree234 *ttr; |
374330e2 |
516 | |
517 | if (which == alt_which) |
518 | return; |
519 | |
520 | alt_which = which; |
521 | |
32874aea |
522 | ttr = alt_screen; |
523 | alt_screen = screen; |
524 | screen = ttr; |
525 | t = curs.x; |
526 | curs.x = alt_x; |
527 | alt_x = t; |
528 | t = curs.y; |
529 | curs.y = alt_y; |
530 | alt_y = t; |
531 | t = marg_t; |
532 | marg_t = alt_t; |
533 | alt_t = t; |
534 | t = marg_b; |
535 | marg_b = alt_b; |
536 | alt_b = t; |
537 | t = dec_om; |
538 | dec_om = alt_om; |
539 | alt_om = t; |
540 | t = wrap; |
541 | wrap = alt_wrap; |
542 | alt_wrap = t; |
543 | t = wrapnext; |
544 | wrapnext = alt_wnext; |
545 | alt_wnext = t; |
546 | t = insert; |
547 | insert = alt_ins; |
548 | alt_ins = t; |
549 | t = cset; |
550 | cset = alt_cset; |
551 | alt_cset = t; |
8f22582c |
552 | t = utf; |
553 | utf = alt_utf; |
554 | alt_utf = t; |
d3cb5465 |
555 | t = sco_acs; |
556 | sco_acs = alt_sco_acs; |
557 | alt_sco_acs = t; |
374330e2 |
558 | |
559 | fix_cpos; |
560 | } |
561 | |
562 | /* |
374330e2 |
563 | * Update the scroll bar. |
564 | */ |
32874aea |
565 | static void update_sbar(void) |
566 | { |
260f3dec |
567 | int nscroll; |
374330e2 |
568 | |
4facdf84 |
569 | nscroll = count234(scrollback); |
570 | |
32874aea |
571 | set_sbar(nscroll + rows, nscroll + disptop, rows); |
374330e2 |
572 | } |
573 | |
574 | /* |
575 | * Check whether the region bounded by the two pointers intersects |
576 | * the scroll region, and de-select the on-screen selection if so. |
577 | */ |
32874aea |
578 | static void check_selection(pos from, pos to) |
579 | { |
4facdf84 |
580 | if (poslt(from, selend) && poslt(selstart, to)) |
374330e2 |
581 | deselect(); |
582 | } |
583 | |
584 | /* |
585 | * Scroll the screen. (`lines' is +ve for scrolling forward, -ve |
586 | * for backward.) `sb' is TRUE if the scrolling is permitted to |
587 | * affect the scrollback buffer. |
a4450583 |
588 | * |
589 | * NB this function invalidates all pointers into lines of the |
590 | * screen data structures. In particular, you MUST call fix_cpos |
591 | * after calling scroll() and before doing anything else that |
592 | * uses the cpos shortcut pointer. |
374330e2 |
593 | */ |
32874aea |
594 | static void scroll(int topline, int botline, int lines, int sb) |
595 | { |
4facdf84 |
596 | unsigned long *line, *line2; |
a792432e |
597 | int i, seltop; |
c9def1b8 |
598 | |
7af9fa7f |
599 | if (topline != 0 || alt_which != 0) |
4facdf84 |
600 | sb = FALSE; |
601 | |
602 | if (lines < 0) { |
603 | while (lines < 0) { |
604 | line = delpos234(screen, botline); |
2371caac |
605 | line = resizeline(line, cols); |
4facdf84 |
606 | for (i = 0; i < cols; i++) |
32874aea |
607 | line[i + 1] = erase_char; |
608 | line[cols + 1] = 0; |
4facdf84 |
609 | addpos234(screen, line, topline); |
610 | |
611 | if (selstart.y >= topline && selstart.y <= botline) { |
612 | selstart.y++; |
613 | if (selstart.y > botline) { |
614 | selstart.y = botline; |
615 | selstart.x = 0; |
c9def1b8 |
616 | } |
c9def1b8 |
617 | } |
4facdf84 |
618 | if (selend.y >= topline && selend.y <= botline) { |
619 | selend.y++; |
620 | if (selend.y > botline) { |
621 | selend.y = botline; |
622 | selend.x = 0; |
c9def1b8 |
623 | } |
c9def1b8 |
624 | } |
c9def1b8 |
625 | |
4facdf84 |
626 | lines++; |
c9def1b8 |
627 | } |
374330e2 |
628 | } else { |
4facdf84 |
629 | while (lines > 0) { |
630 | line = delpos234(screen, topline); |
c83de303 |
631 | if (sb && savelines > 0) { |
4facdf84 |
632 | int sblen = count234(scrollback); |
633 | /* |
634 | * We must add this line to the scrollback. We'll |
635 | * remove a line from the top of the scrollback to |
636 | * replace it, or allocate a new one if the |
637 | * scrollback isn't full. |
638 | */ |
c83de303 |
639 | if (sblen == savelines) { |
4facdf84 |
640 | sblen--, line2 = delpos234(scrollback, 0); |
c83de303 |
641 | } else { |
32874aea |
642 | line2 = smalloc(TSIZE * (cols + 2)); |
c83de303 |
643 | line2[0] = cols; |
644 | } |
4facdf84 |
645 | addpos234(scrollback, line, sblen); |
646 | line = line2; |
a792432e |
647 | |
648 | /* |
649 | * If the user is currently looking at part of the |
650 | * scrollback, and they haven't enabled any options |
651 | * that are going to reset the scrollback as a |
652 | * result of this movement, then the chances are |
653 | * they'd like to keep looking at the same line. So |
654 | * we move their viewpoint at the same rate as the |
655 | * scroll, at least until their viewpoint hits the |
656 | * top end of the scrollback buffer, at which point |
657 | * we don't have the choice any more. |
658 | * |
659 | * Thanks to Jan Holmen Holsten for the idea and |
660 | * initial implementation. |
661 | */ |
662 | if (disptop > -savelines && disptop < 0) |
663 | disptop--; |
4facdf84 |
664 | } |
2371caac |
665 | line = resizeline(line, cols); |
4facdf84 |
666 | for (i = 0; i < cols; i++) |
32874aea |
667 | line[i + 1] = erase_char; |
668 | line[cols + 1] = 0; |
4facdf84 |
669 | addpos234(screen, line, botline); |
670 | |
a792432e |
671 | /* |
672 | * If the selection endpoints move into the scrollback, |
673 | * we keep them moving until they hit the top. However, |
674 | * of course, if the line _hasn't_ moved into the |
675 | * scrollback then we don't do this, and cut them off |
676 | * at the top of the scroll region. |
d48db8b4 |
677 | * |
678 | * This applies to selstart and selend (for an existing |
679 | * selection), and also selanchor (for one being |
680 | * selected as we speak). |
a792432e |
681 | */ |
c2ed03b2 |
682 | seltop = sb ? -savelines : topline; |
a792432e |
683 | |
684 | if (selstart.y >= seltop && selstart.y <= botline) { |
4facdf84 |
685 | selstart.y--; |
a792432e |
686 | if (selstart.y < seltop) { |
687 | selstart.y = seltop; |
4facdf84 |
688 | selstart.x = 0; |
689 | } |
690 | } |
a792432e |
691 | if (selend.y >= seltop && selend.y <= botline) { |
4facdf84 |
692 | selend.y--; |
a792432e |
693 | if (selend.y < seltop) { |
694 | selend.y = seltop; |
4facdf84 |
695 | selend.x = 0; |
696 | } |
697 | } |
d48db8b4 |
698 | if (selanchor.y >= seltop && selanchor.y <= botline) { |
699 | selanchor.y--; |
700 | if (selanchor.y < seltop) { |
701 | selanchor.y = seltop; |
702 | selanchor.x = 0; |
703 | } |
704 | } |
4facdf84 |
705 | |
706 | lines--; |
c9def1b8 |
707 | } |
374330e2 |
708 | } |
374330e2 |
709 | } |
710 | |
711 | /* |
712 | * Move the cursor to a given position, clipping at boundaries. We |
713 | * may or may not want to clip at the scroll margin: marg_clip is 0 |
714 | * not to, 1 to disallow _passing_ the margins, and 2 to disallow |
715 | * even _being_ outside the margins. |
716 | */ |
32874aea |
717 | static void move(int x, int y, int marg_clip) |
718 | { |
374330e2 |
719 | if (x < 0) |
720 | x = 0; |
721 | if (x >= cols) |
32874aea |
722 | x = cols - 1; |
374330e2 |
723 | if (marg_clip) { |
4facdf84 |
724 | if ((curs.y >= marg_t || marg_clip == 2) && y < marg_t) |
374330e2 |
725 | y = marg_t; |
4facdf84 |
726 | if ((curs.y <= marg_b || marg_clip == 2) && y > marg_b) |
374330e2 |
727 | y = marg_b; |
728 | } |
729 | if (y < 0) |
730 | y = 0; |
731 | if (y >= rows) |
32874aea |
732 | y = rows - 1; |
4facdf84 |
733 | curs.x = x; |
734 | curs.y = y; |
374330e2 |
735 | fix_cpos; |
736 | wrapnext = FALSE; |
737 | } |
738 | |
739 | /* |
740 | * Save or restore the cursor and SGR mode. |
741 | */ |
32874aea |
742 | static void save_cursor(int save) |
743 | { |
374330e2 |
744 | if (save) { |
4facdf84 |
745 | savecurs = curs; |
374330e2 |
746 | save_attr = curr_attr; |
747 | save_cset = cset; |
8f22582c |
748 | save_utf = utf; |
374330e2 |
749 | save_csattr = cset_attr[cset]; |
d3cb5465 |
750 | save_sco_acs = sco_acs; |
374330e2 |
751 | } else { |
4facdf84 |
752 | curs = savecurs; |
c9def1b8 |
753 | /* Make sure the window hasn't shrunk since the save */ |
32874aea |
754 | if (curs.x >= cols) |
755 | curs.x = cols - 1; |
756 | if (curs.y >= rows) |
757 | curs.y = rows - 1; |
c9def1b8 |
758 | |
374330e2 |
759 | curr_attr = save_attr; |
760 | cset = save_cset; |
8f22582c |
761 | utf = save_utf; |
374330e2 |
762 | cset_attr[cset] = save_csattr; |
d3cb5465 |
763 | sco_acs = save_sco_acs; |
374330e2 |
764 | fix_cpos; |
32874aea |
765 | if (use_bce) |
8f22582c |
766 | erase_char = (' ' | ATTR_ASCII | |
767 | (curr_attr & (ATTR_FGMASK | ATTR_BGMASK))); |
374330e2 |
768 | } |
769 | } |
770 | |
771 | /* |
772 | * Erase a large portion of the screen: the whole screen, or the |
773 | * whole line, or parts thereof. |
774 | */ |
32874aea |
775 | static void erase_lots(int line_only, int from_begin, int to_end) |
776 | { |
260f3dec |
777 | pos start, end; |
4facdf84 |
778 | int erase_lattr; |
779 | unsigned long *ldata; |
374330e2 |
780 | |
781 | if (line_only) { |
4facdf84 |
782 | start.y = curs.y; |
783 | start.x = 0; |
784 | end.y = curs.y + 1; |
785 | end.x = 0; |
786 | erase_lattr = FALSE; |
374330e2 |
787 | } else { |
4facdf84 |
788 | start.y = 0; |
789 | start.x = 0; |
790 | end.y = rows; |
791 | end.x = 0; |
792 | erase_lattr = TRUE; |
793 | } |
794 | if (!from_begin) { |
795 | start = curs; |
374330e2 |
796 | } |
4facdf84 |
797 | if (!to_end) { |
798 | end = curs; |
2a6dfe0e |
799 | incpos(end); |
4facdf84 |
800 | } |
32874aea |
801 | check_selection(start, end); |
e14a5a13 |
802 | |
803 | /* Clear screen also forces a full window redraw, just in case. */ |
4facdf84 |
804 | if (start.y == 0 && start.x == 0 && end.y == rows) |
32874aea |
805 | term_invalidate(); |
e14a5a13 |
806 | |
4facdf84 |
807 | ldata = lineptr(start.y); |
808 | while (poslt(start, end)) { |
cfbeddf3 |
809 | if (start.x == cols && !erase_lattr) |
4eeb7d09 |
810 | ldata[start.x] &= ~LATTR_WRAPPED; |
4facdf84 |
811 | else |
812 | ldata[start.x] = erase_char; |
c83de303 |
813 | if (incpos(start) && start.y < rows) |
4facdf84 |
814 | ldata = lineptr(start.y); |
815 | } |
374330e2 |
816 | } |
817 | |
818 | /* |
819 | * Insert or delete characters within the current line. n is +ve if |
820 | * insertion is desired, and -ve for deletion. |
821 | */ |
32874aea |
822 | static void insch(int n) |
823 | { |
374330e2 |
824 | int dir = (n < 0 ? -1 : +1); |
825 | int m; |
4facdf84 |
826 | pos cursplus; |
827 | unsigned long *ldata; |
374330e2 |
828 | |
829 | n = (n < 0 ? -n : n); |
4facdf84 |
830 | if (n > cols - curs.x) |
831 | n = cols - curs.x; |
832 | m = cols - curs.x - n; |
833 | cursplus.y = curs.y; |
834 | cursplus.x = curs.x + n; |
32874aea |
835 | check_selection(curs, cursplus); |
4facdf84 |
836 | ldata = lineptr(curs.y); |
374330e2 |
837 | if (dir < 0) { |
32874aea |
838 | memmove(ldata + curs.x, ldata + curs.x + n, m * TSIZE); |
374330e2 |
839 | while (n--) |
4facdf84 |
840 | ldata[curs.x + m++] = erase_char; |
374330e2 |
841 | } else { |
32874aea |
842 | memmove(ldata + curs.x + n, ldata + curs.x, m * TSIZE); |
374330e2 |
843 | while (n--) |
4facdf84 |
844 | ldata[curs.x + n] = erase_char; |
374330e2 |
845 | } |
846 | } |
847 | |
848 | /* |
849 | * Toggle terminal mode `mode' to state `state'. (`query' indicates |
850 | * whether the mode is a DEC private one or a normal one.) |
851 | */ |
32874aea |
852 | static void toggle_mode(int mode, int query, int state) |
853 | { |
286c6b86 |
854 | unsigned long ticks; |
01c034ad |
855 | |
32874aea |
856 | if (query) |
857 | switch (mode) { |
858 | case 1: /* application cursor keys */ |
859 | app_cursor_keys = state; |
860 | break; |
861 | case 2: /* VT52 mode */ |
862 | vt52_mode = !state; |
4eeb7d09 |
863 | if (vt52_mode) { |
864 | blink_is_real = FALSE; |
865 | vt52_bold = FALSE; |
866 | } else { |
867 | blink_is_real = cfg.blinktext; |
868 | } |
32874aea |
869 | break; |
870 | case 3: /* 80/132 columns */ |
871 | deselect(); |
5a73255e |
872 | request_resize(state ? 132 : 80, rows); |
32874aea |
873 | reset_132 = state; |
874 | break; |
875 | case 5: /* reverse video */ |
876 | /* |
877 | * Toggle reverse video. If we receive an OFF within the |
878 | * visual bell timeout period after an ON, we trigger an |
879 | * effective visual bell, so that ESC[?5hESC[?5l will |
880 | * always be an actually _visible_ visual bell. |
881 | */ |
882 | ticks = GetTickCount(); |
286c6b86 |
883 | /* turn off a previous vbell to avoid inconsistencies */ |
884 | if (ticks - vbell_startpoint >= VBELL_TIMEOUT) |
885 | in_vbell = FALSE; |
886 | if (rvideo && !state && /* we're turning it off... */ |
887 | (ticks - rvbell_startpoint) < VBELL_TIMEOUT) { /* ...soon */ |
888 | /* If there's no vbell timeout already, or this one lasts |
889 | * longer, replace vbell_timeout with ours. */ |
890 | if (!in_vbell || |
891 | (rvbell_startpoint - vbell_startpoint < VBELL_TIMEOUT)) |
892 | vbell_startpoint = rvbell_startpoint; |
32874aea |
893 | in_vbell = TRUE; /* we may clear rvideo but we set in_vbell */ |
32874aea |
894 | } else if (!rvideo && state) { |
895 | /* This is an ON, so we notice the time and save it. */ |
286c6b86 |
896 | rvbell_startpoint = ticks; |
32874aea |
897 | } |
898 | rvideo = state; |
899 | seen_disp_event = TRUE; |
900 | if (state) |
901 | term_update(); |
902 | break; |
903 | case 6: /* DEC origin mode */ |
904 | dec_om = state; |
905 | break; |
906 | case 7: /* auto wrap */ |
907 | wrap = state; |
908 | break; |
909 | case 8: /* auto key repeat */ |
910 | repeat_off = !state; |
911 | break; |
912 | case 10: /* set local edit mode */ |
913 | term_editing = state; |
760e88b2 |
914 | ldisc_send(NULL, 0, 0); /* cause ldisc to notice changes */ |
32874aea |
915 | break; |
916 | case 25: /* enable/disable cursor */ |
917 | compatibility2(OTHER, VT220); |
918 | cursor_on = state; |
919 | seen_disp_event = TRUE; |
920 | break; |
921 | case 47: /* alternate screen */ |
922 | compatibility(OTHER); |
923 | deselect(); |
924 | swap_screen(state); |
925 | disptop = 0; |
926 | break; |
927 | case 1000: /* xterm mouse 1 */ |
928 | xterm_mouse = state ? 1 : 0; |
929 | set_raw_mouse_mode(state); |
930 | break; |
931 | case 1002: /* xterm mouse 2 */ |
932 | xterm_mouse = state ? 2 : 0; |
933 | set_raw_mouse_mode(state); |
934 | break; |
935 | } else |
936 | switch (mode) { |
937 | case 4: /* set insert mode */ |
938 | compatibility(VT102); |
939 | insert = state; |
940 | break; |
941 | case 12: /* set echo mode */ |
942 | term_echoing = !state; |
760e88b2 |
943 | ldisc_send(NULL, 0, 0); /* cause ldisc to notice changes */ |
32874aea |
944 | break; |
945 | case 20: /* Return sends ... */ |
946 | cr_lf_return = state; |
947 | break; |
4eeb7d09 |
948 | case 34: /* Make cursor BIG */ |
949 | compatibility2(OTHER, VT220); |
950 | big_cursor = !state; |
7594731b |
951 | } |
374330e2 |
952 | } |
953 | |
954 | /* |
955 | * Process an OSC sequence: set window title or icon name. |
956 | */ |
32874aea |
957 | static void do_osc(void) |
958 | { |
374330e2 |
959 | if (osc_w) { |
960 | while (osc_strlen--) |
32874aea |
961 | wordness[(unsigned char) osc_string[osc_strlen]] = esc_args[0]; |
374330e2 |
962 | } else { |
963 | osc_string[osc_strlen] = '\0'; |
964 | switch (esc_args[0]) { |
965 | case 0: |
966 | case 1: |
32874aea |
967 | set_icon(osc_string); |
374330e2 |
968 | if (esc_args[0] == 1) |
969 | break; |
970 | /* fall through: parameter 0 means set both */ |
971 | case 2: |
972 | case 21: |
32874aea |
973 | set_title(osc_string); |
374330e2 |
974 | break; |
975 | } |
976 | } |
977 | } |
978 | |
979 | /* |
980 | * Remove everything currently in `inbuf' and stick it up on the |
981 | * in-memory display. There's a big state machine in here to |
982 | * process escape sequences... |
983 | */ |
32874aea |
984 | void term_out(void) |
985 | { |
a748a096 |
986 | int c, unget; |
987 | unsigned char localbuf[256], *chars; |
988 | int nchars = 0; |
989 | |
990 | unget = -1; |
991 | |
992 | while (nchars > 0 || bufchain_size(&inbuf) > 0) { |
993 | if (unget == -1) { |
994 | if (nchars == 0) { |
995 | void *ret; |
996 | bufchain_prefix(&inbuf, &ret, &nchars); |
997 | if (nchars > sizeof(localbuf)) |
998 | nchars = sizeof(localbuf); |
999 | memcpy(localbuf, ret, nchars); |
1000 | bufchain_consume(&inbuf, nchars); |
1001 | chars = localbuf; |
1002 | assert(chars != NULL); |
1003 | } |
1004 | c = *chars++; |
1005 | nchars--; |
c9def1b8 |
1006 | |
a748a096 |
1007 | /* |
1008 | * Optionally log the session traffic to a file. Useful for |
1009 | * debugging and possibly also useful for actual logging. |
1010 | */ |
1011 | if (cfg.logtype == LGTYP_DEBUG) |
f4e49163 |
1012 | logtraffic((unsigned char) c, LGTYP_DEBUG); |
a748a096 |
1013 | } else { |
1014 | c = unget; |
1015 | unget = -1; |
5a16642f |
1016 | } |
1017 | |
e14a5a13 |
1018 | /* Note only VT220+ are 8-bit VT102 is seven bit, it shouldn't even |
1019 | * be able to display 8-bit characters, but I'll let that go 'cause |
1020 | * of i18n. |
1021 | */ |
4eeb7d09 |
1022 | |
1023 | /* First see about all those translations. */ |
1024 | if (termstate == TOPLEVEL) { |
8f22582c |
1025 | if (in_utf) |
4eeb7d09 |
1026 | switch (utf_state) { |
1027 | case 0: |
1028 | if (c < 0x80) { |
8f22582c |
1029 | /* UTF-8 must be stateless so we ignore iso2022. */ |
1030 | if (unitab_ctrl[c] != 0xFF) |
1031 | c = unitab_ctrl[c]; |
1032 | else c = ((unsigned char)c) | ATTR_ASCII; |
1033 | break; |
4eeb7d09 |
1034 | } else if ((c & 0xe0) == 0xc0) { |
1035 | utf_size = utf_state = 1; |
1036 | utf_char = (c & 0x1f); |
1037 | } else if ((c & 0xf0) == 0xe0) { |
1038 | utf_size = utf_state = 2; |
1039 | utf_char = (c & 0x0f); |
1040 | } else if ((c & 0xf8) == 0xf0) { |
1041 | utf_size = utf_state = 3; |
1042 | utf_char = (c & 0x07); |
1043 | } else if ((c & 0xfc) == 0xf8) { |
1044 | utf_size = utf_state = 4; |
1045 | utf_char = (c & 0x03); |
1046 | } else if ((c & 0xfe) == 0xfc) { |
1047 | utf_size = utf_state = 5; |
1048 | utf_char = (c & 0x01); |
1049 | } else { |
1050 | c = UCSERR; |
1051 | break; |
1052 | } |
1053 | continue; |
1054 | case 1: |
1055 | case 2: |
1056 | case 3: |
1057 | case 4: |
1058 | case 5: |
1059 | if ((c & 0xC0) != 0x80) { |
a748a096 |
1060 | unget = c; |
5a16642f |
1061 | c = UCSERR; |
1062 | utf_state = 0; |
4eeb7d09 |
1063 | break; |
1064 | } |
1065 | utf_char = (utf_char << 6) | (c & 0x3f); |
1066 | if (--utf_state) |
1067 | continue; |
1068 | |
1069 | c = utf_char; |
1070 | |
1071 | /* Is somebody trying to be evil! */ |
1072 | if (c < 0x80 || |
1073 | (c < 0x800 && utf_size >= 2) || |
1074 | (c < 0x10000 && utf_size >= 3) || |
1075 | (c < 0x200000 && utf_size >= 4) || |
1076 | (c < 0x4000000 && utf_size >= 5)) |
1077 | c = UCSERR; |
1078 | |
1079 | /* Unicode line separator and paragraph separator are CR-LF */ |
1080 | if (c == 0x2028 || c == 0x2029) |
1081 | c = 0x85; |
1082 | |
1083 | /* High controls are probably a Baaad idea too. */ |
1084 | if (c < 0xA0) |
1085 | c = 0xFFFD; |
1086 | |
1087 | /* The UTF-16 surrogates are not nice either. */ |
1088 | /* The standard give the option of decoding these: |
1089 | * I don't want to! */ |
1090 | if (c >= 0xD800 && c < 0xE000) |
1091 | c = UCSERR; |
1092 | |
1093 | /* ISO 10646 characters now limited to UTF-16 range. */ |
1094 | if (c > 0x10FFFF) |
1095 | c = UCSERR; |
1096 | |
1097 | /* This is currently a TagPhobic application.. */ |
1098 | if (c >= 0xE0000 && c <= 0xE007F) |
1099 | continue; |
1100 | |
1101 | /* U+FEFF is best seen as a null. */ |
1102 | if (c == 0xFEFF) |
1103 | continue; |
1104 | /* But U+FFFE is an error. */ |
1105 | if (c == 0xFFFE || c == 0xFFFF) |
1106 | c = UCSERR; |
1107 | |
1108 | /* Oops this is a 16bit implementation */ |
1109 | if (c >= 0x10000) |
1110 | c = 0xFFFD; |
1111 | break; |
d3cb5465 |
1112 | } |
1113 | /* Are we in the nasty ACS mode? Note: no sco in utf mode. */ |
1114 | else if(sco_acs && |
1115 | (c!='\033' && c!='\n' && c!='\r' && c!='\b')) |
1116 | { |
1117 | if (sco_acs == 2) c ^= 0x80; |
1118 | c |= ATTR_SCOACS; |
4eeb7d09 |
1119 | } else { |
4eeb7d09 |
1120 | switch (cset_attr[cset]) { |
1121 | /* |
1122 | * Linedraw characters are different from 'ESC ( B' |
1123 | * only for a small range. For ones outside that |
1124 | * range, make sure we use the same font as well as |
1125 | * the same encoding. |
1126 | */ |
1127 | case ATTR_LINEDRW: |
1128 | if (unitab_ctrl[c] != 0xFF) |
1129 | c = unitab_ctrl[c]; |
1130 | else |
1131 | c = ((unsigned char) c) | ATTR_LINEDRW; |
1132 | break; |
1133 | |
1134 | case ATTR_GBCHR: |
1135 | /* If UK-ASCII, make the '#' a LineDraw Pound */ |
1136 | if (c == '#') { |
1137 | c = '}' | ATTR_LINEDRW; |
1138 | break; |
1139 | } |
1140 | /*FALLTHROUGH*/ case ATTR_ASCII: |
1141 | if (unitab_ctrl[c] != 0xFF) |
1142 | c = unitab_ctrl[c]; |
1143 | else |
1144 | c = ((unsigned char) c) | ATTR_ASCII; |
1145 | break; |
d3cb5465 |
1146 | case ATTR_SCOACS: |
1147 | if (c>=' ') c = ((unsigned char)c) | ATTR_SCOACS; |
1148 | break; |
4eeb7d09 |
1149 | } |
1150 | } |
1151 | } |
1152 | |
1153 | /* How about C1 controls ? */ |
1154 | if ((c & -32) == 0x80 && termstate < DO_CTRLS && !vt52_mode && |
1155 | has_compat(VT220)) { |
1156 | termstate = SEEN_ESC; |
1157 | esc_query = FALSE; |
1158 | c = '@' + (c & 0x1F); |
1159 | } |
1160 | |
1161 | /* Or the GL control. */ |
1162 | if (c == '\177' && termstate < DO_CTRLS && has_compat(OTHER)) { |
1163 | if (curs.x && !wrapnext) |
1164 | curs.x--; |
1165 | wrapnext = FALSE; |
1166 | fix_cpos; |
1167 | *cpos = (' ' | curr_attr | ATTR_ASCII); |
1168 | } else |
1169 | /* Or normal C0 controls. */ |
1170 | if ((c & -32) == 0 && termstate < DO_CTRLS) { |
374330e2 |
1171 | switch (c) { |
1172 | case '\005': /* terminal type query */ |
e14a5a13 |
1173 | /* Strictly speaking this is VT100 but a VT100 defaults to |
1174 | * no response. Other terminals respond at their option. |
1175 | * |
1176 | * Don't put a CR in the default string as this tends to |
1177 | * upset some weird software. |
1178 | * |
1179 | * An xterm returns "xterm" (5 characters) |
1180 | */ |
32874aea |
1181 | compatibility(ANSIMIN); |
e7fbcdd8 |
1182 | { |
1183 | char abuf[256], *s, *d; |
32874aea |
1184 | int state = 0; |
1185 | for (s = cfg.answerback, d = abuf; *s; s++) { |
1186 | if (state) { |
1187 | if (*s >= 'a' && *s <= 'z') |
1188 | *d++ = (*s - ('a' - 1)); |
1189 | else if ((*s >= '@' && *s <= '_') || |
1190 | *s == '?' || (*s & 0x80)) |
1191 | *d++ = ('@' ^ *s); |
1192 | else if (*s == '~') |
1193 | *d++ = '^'; |
1194 | state = 0; |
1195 | } else if (*s == '^') { |
1196 | state = 1; |
1197 | } else |
4eeb7d09 |
1198 | *d++ = *s; |
e7fbcdd8 |
1199 | } |
760e88b2 |
1200 | lpage_send(CP_ACP, abuf, d - abuf, 0); |
e7fbcdd8 |
1201 | } |
374330e2 |
1202 | break; |
1203 | case '\007': |
156686ef |
1204 | { |
1205 | struct beeptime *newbeep; |
286c6b86 |
1206 | unsigned long ticks; |
156686ef |
1207 | |
1208 | ticks = GetTickCount(); |
156686ef |
1209 | |
1210 | if (!beep_overloaded) { |
1211 | newbeep = smalloc(sizeof(struct beeptime)); |
1212 | newbeep->ticks = ticks; |
1213 | newbeep->next = NULL; |
1214 | if (!beephead) |
1215 | beephead = newbeep; |
1216 | else |
1217 | beeptail->next = newbeep; |
1218 | beeptail = newbeep; |
1219 | nbeeps++; |
1220 | } |
1221 | |
1222 | /* |
1223 | * Throw out any beeps that happened more than |
1224 | * t seconds ago. |
1225 | */ |
1226 | while (beephead && |
7f4968e6 |
1227 | beephead->ticks < ticks - cfg.bellovl_t) { |
156686ef |
1228 | struct beeptime *tmp = beephead; |
1229 | beephead = tmp->next; |
156686ef |
1230 | sfree(tmp); |
1231 | if (!beephead) |
1232 | beeptail = NULL; |
1233 | nbeeps--; |
1234 | } |
1235 | |
1236 | if (cfg.bellovl && beep_overloaded && |
286c6b86 |
1237 | ticks - lastbeep >= (unsigned)cfg.bellovl_s) { |
156686ef |
1238 | /* |
1239 | * If we're currently overloaded and the |
1240 | * last beep was more than s seconds ago, |
1241 | * leave overload mode. |
1242 | */ |
156686ef |
1243 | beep_overloaded = FALSE; |
1244 | } else if (cfg.bellovl && !beep_overloaded && |
1245 | nbeeps >= cfg.bellovl_n) { |
1246 | /* |
1247 | * Now, if we have n or more beeps |
1248 | * remaining in the queue, go into overload |
1249 | * mode. |
1250 | */ |
156686ef |
1251 | beep_overloaded = TRUE; |
1252 | } |
1253 | lastbeep = ticks; |
1254 | |
1255 | /* |
1256 | * Perform an actual beep if we're not overloaded. |
1257 | */ |
f8a28d1f |
1258 | if (!cfg.bellovl || !beep_overloaded) { |
1259 | beep(cfg.beep); |
1260 | if (cfg.beep == BELL_VISUAL) { |
156686ef |
1261 | in_vbell = TRUE; |
286c6b86 |
1262 | vbell_startpoint = ticks; |
156686ef |
1263 | term_update(); |
1264 | } |
1265 | } |
4facdf84 |
1266 | disptop = 0; |
156686ef |
1267 | } |
374330e2 |
1268 | break; |
1269 | case '\b': |
967a161e |
1270 | if (curs.x == 0 && (curs.y == 0 || wrap == 0)); |
4facdf84 |
1271 | else if (curs.x == 0 && curs.y > 0) |
32874aea |
1272 | curs.x = cols - 1, curs.y--; |
374330e2 |
1273 | else if (wrapnext) |
1274 | wrapnext = FALSE; |
1275 | else |
4facdf84 |
1276 | curs.x--; |
374330e2 |
1277 | fix_cpos; |
cabfd08c |
1278 | seen_disp_event = TRUE; |
374330e2 |
1279 | break; |
1280 | case '\016': |
32874aea |
1281 | compatibility(VT100); |
374330e2 |
1282 | cset = 1; |
1283 | break; |
1284 | case '\017': |
32874aea |
1285 | compatibility(VT100); |
374330e2 |
1286 | cset = 0; |
1287 | break; |
1288 | case '\033': |
32874aea |
1289 | if (vt52_mode) |
1290 | termstate = VT52_ESC; |
e14a5a13 |
1291 | else { |
1292 | compatibility(ANSIMIN); |
1293 | termstate = SEEN_ESC; |
4eeb7d09 |
1294 | esc_query = FALSE; |
e14a5a13 |
1295 | } |
374330e2 |
1296 | break; |
374330e2 |
1297 | case '\r': |
4facdf84 |
1298 | curs.x = 0; |
374330e2 |
1299 | wrapnext = FALSE; |
1300 | fix_cpos; |
cabfd08c |
1301 | seen_disp_event = TRUE; |
c9def1b8 |
1302 | paste_hold = 0; |
32874aea |
1303 | logtraffic((unsigned char) c, LGTYP_ASCII); |
374330e2 |
1304 | break; |
374330e2 |
1305 | case '\014': |
1a837633 |
1306 | if (has_compat(SCOANSI)) { |
1307 | move(0, 0, 0); |
1308 | erase_lots(FALSE, FALSE, TRUE); |
1309 | disptop = 0; |
1310 | wrapnext = FALSE; |
1311 | seen_disp_event = 1; |
1312 | break; |
1313 | } |
1314 | case '\013': |
32874aea |
1315 | compatibility(VT100); |
374330e2 |
1316 | case '\n': |
4facdf84 |
1317 | if (curs.y == marg_b) |
32874aea |
1318 | scroll(marg_t, marg_b, 1, TRUE); |
1319 | else if (curs.y < rows - 1) |
4facdf84 |
1320 | curs.y++; |
cabfd08c |
1321 | if (cfg.lfhascr) |
4facdf84 |
1322 | curs.x = 0; |
374330e2 |
1323 | fix_cpos; |
1324 | wrapnext = FALSE; |
cabfd08c |
1325 | seen_disp_event = 1; |
c9def1b8 |
1326 | paste_hold = 0; |
32874aea |
1327 | logtraffic((unsigned char) c, LGTYP_ASCII); |
374330e2 |
1328 | break; |
1329 | case '\t': |
374330e2 |
1330 | { |
4facdf84 |
1331 | pos old_curs = curs; |
1332 | unsigned long *ldata = lineptr(curs.y); |
c9def1b8 |
1333 | |
1334 | do { |
4facdf84 |
1335 | curs.x++; |
32874aea |
1336 | } while (curs.x < cols - 1 && !tabs[curs.x]); |
c9def1b8 |
1337 | |
32874aea |
1338 | if ((ldata[cols] & LATTR_MODE) != LATTR_NORM) { |
1339 | if (curs.x >= cols / 2) |
1340 | curs.x = cols / 2 - 1; |
1341 | } else { |
4facdf84 |
1342 | if (curs.x >= cols) |
32874aea |
1343 | curs.x = cols - 1; |
c9def1b8 |
1344 | } |
1345 | |
374330e2 |
1346 | fix_cpos; |
32874aea |
1347 | check_selection(old_curs, curs); |
374330e2 |
1348 | } |
cabfd08c |
1349 | seen_disp_event = TRUE; |
374330e2 |
1350 | break; |
cabfd08c |
1351 | } |
32874aea |
1352 | } else |
1353 | switch (termstate) { |
1354 | case TOPLEVEL: |
1355 | /* Only graphic characters get this far, ctrls are stripped above */ |
1356 | if (wrapnext && wrap) { |
4eeb7d09 |
1357 | cpos[1] |= LATTR_WRAPPED; |
32874aea |
1358 | if (curs.y == marg_b) |
1359 | scroll(marg_t, marg_b, 1, TRUE); |
1360 | else if (curs.y < rows - 1) |
1361 | curs.y++; |
1362 | curs.x = 0; |
1363 | fix_cpos; |
1364 | wrapnext = FALSE; |
374330e2 |
1365 | } |
32874aea |
1366 | if (insert) |
1367 | insch(1); |
1368 | if (selstate != NO_SELECTION) { |
1369 | pos cursplus = curs; |
1370 | incpos(cursplus); |
1371 | check_selection(curs, cursplus); |
374330e2 |
1372 | } |
4eeb7d09 |
1373 | if ((c & CSET_MASK) == ATTR_ASCII || (c & CSET_MASK) == 0) |
1374 | logtraffic((unsigned char) c, LGTYP_ASCII); |
1375 | { |
1376 | extern int wcwidth(wchar_t ucs); |
1377 | int width = 0; |
1378 | if (DIRECT_CHAR(c)) |
1379 | width = 1; |
1380 | if (!width) |
1381 | width = wcwidth((wchar_t) c); |
1382 | switch (width) { |
1383 | case 2: |
5a73255e |
1384 | *cpos++ = c | curr_attr; |
1385 | if (++curs.x == cols) { |
1386 | *cpos |= LATTR_WRAPPED; |
1387 | if (curs.y == marg_b) |
1388 | scroll(marg_t, marg_b, 1, TRUE); |
1389 | else if (curs.y < rows - 1) |
1390 | curs.y++; |
1391 | curs.x = 0; |
1392 | fix_cpos; |
4eeb7d09 |
1393 | } |
5a73255e |
1394 | *cpos++ = UCSWIDE | curr_attr; |
1395 | break; |
4eeb7d09 |
1396 | case 1: |
1397 | *cpos++ = c | curr_attr; |
32874aea |
1398 | break; |
4eeb7d09 |
1399 | default: |
1400 | continue; |
32874aea |
1401 | } |
374330e2 |
1402 | } |
32874aea |
1403 | curs.x++; |
1404 | if (curs.x == cols) { |
1405 | cpos--; |
1406 | curs.x--; |
1407 | wrapnext = TRUE; |
4eeb7d09 |
1408 | if (wrap && vt52_mode) { |
1409 | cpos[1] |= LATTR_WRAPPED; |
1410 | if (curs.y == marg_b) |
1411 | scroll(marg_t, marg_b, 1, TRUE); |
1412 | else if (curs.y < rows - 1) |
1413 | curs.y++; |
1414 | curs.x = 0; |
1415 | fix_cpos; |
1416 | wrapnext = FALSE; |
1417 | } |
e14a5a13 |
1418 | } |
32874aea |
1419 | seen_disp_event = 1; |
374330e2 |
1420 | break; |
32874aea |
1421 | |
32874aea |
1422 | case OSC_MAYBE_ST: |
1423 | /* |
1424 | * This state is virtually identical to SEEN_ESC, with the |
1425 | * exception that we have an OSC sequence in the pipeline, |
1426 | * and _if_ we see a backslash, we process it. |
1427 | */ |
1428 | if (c == '\\') { |
1429 | do_osc(); |
1430 | termstate = TOPLEVEL; |
1431 | break; |
e14a5a13 |
1432 | } |
32874aea |
1433 | /* else fall through */ |
1434 | case SEEN_ESC: |
4eeb7d09 |
1435 | if (c >= ' ' && c <= '/') { |
1436 | if (esc_query) |
1437 | esc_query = -1; |
1438 | else |
1439 | esc_query = c; |
32874aea |
1440 | break; |
4eeb7d09 |
1441 | } |
1442 | termstate = TOPLEVEL; |
1443 | switch (ANSI(c, esc_query)) { |
32874aea |
1444 | case '[': /* enter CSI mode */ |
1445 | termstate = SEEN_CSI; |
1446 | esc_nargs = 1; |
1447 | esc_args[0] = ARG_DEFAULT; |
1448 | esc_query = FALSE; |
1449 | break; |
1450 | case ']': /* xterm escape sequences */ |
1451 | /* Compatibility is nasty here, xterm, linux, decterm yuk! */ |
1452 | compatibility(OTHER); |
1453 | termstate = SEEN_OSC; |
1454 | esc_args[0] = 0; |
1455 | break; |
32874aea |
1456 | case '7': /* save cursor */ |
1457 | compatibility(VT100); |
1458 | save_cursor(TRUE); |
1459 | break; |
1460 | case '8': /* restore cursor */ |
1461 | compatibility(VT100); |
1462 | save_cursor(FALSE); |
1463 | seen_disp_event = TRUE; |
1464 | break; |
1465 | case '=': |
1466 | compatibility(VT100); |
1467 | app_keypad_keys = TRUE; |
1468 | break; |
1469 | case '>': |
1470 | compatibility(VT100); |
1471 | app_keypad_keys = FALSE; |
1472 | break; |
1473 | case 'D': /* exactly equivalent to LF */ |
1474 | compatibility(VT100); |
1475 | if (curs.y == marg_b) |
1476 | scroll(marg_t, marg_b, 1, TRUE); |
1477 | else if (curs.y < rows - 1) |
1478 | curs.y++; |
1479 | fix_cpos; |
1480 | wrapnext = FALSE; |
1481 | seen_disp_event = TRUE; |
1482 | break; |
1483 | case 'E': /* exactly equivalent to CR-LF */ |
1484 | compatibility(VT100); |
1485 | curs.x = 0; |
1486 | if (curs.y == marg_b) |
1487 | scroll(marg_t, marg_b, 1, TRUE); |
1488 | else if (curs.y < rows - 1) |
1489 | curs.y++; |
1490 | fix_cpos; |
1491 | wrapnext = FALSE; |
1492 | seen_disp_event = TRUE; |
1493 | break; |
1494 | case 'M': /* reverse index - backwards LF */ |
1495 | compatibility(VT100); |
1496 | if (curs.y == marg_t) |
1497 | scroll(marg_t, marg_b, -1, TRUE); |
1498 | else if (curs.y > 0) |
1499 | curs.y--; |
1500 | fix_cpos; |
1501 | wrapnext = FALSE; |
1502 | seen_disp_event = TRUE; |
1503 | break; |
1504 | case 'Z': /* terminal type query */ |
1505 | compatibility(VT100); |
760e88b2 |
1506 | ldisc_send(id_string, strlen(id_string), 0); |
32874aea |
1507 | break; |
1508 | case 'c': /* restore power-on settings */ |
1509 | compatibility(VT100); |
1510 | power_on(); |
1511 | if (reset_132) { |
5a73255e |
1512 | request_resize(80, rows); |
32874aea |
1513 | reset_132 = 0; |
374330e2 |
1514 | } |
32874aea |
1515 | fix_cpos; |
1516 | disptop = 0; |
1517 | seen_disp_event = TRUE; |
1518 | break; |
32874aea |
1519 | case 'H': /* set a tab */ |
1520 | compatibility(VT100); |
1521 | tabs[curs.x] = TRUE; |
1522 | break; |
4eeb7d09 |
1523 | |
1524 | case ANSI('8', '#'): /* ESC # 8 fills screen with Es :-) */ |
1525 | compatibility(VT100); |
1526 | { |
1527 | unsigned long *ldata; |
1528 | int i, j; |
1529 | pos scrtop, scrbot; |
1530 | |
1531 | for (i = 0; i < rows; i++) { |
1532 | ldata = lineptr(i); |
1533 | for (j = 0; j < cols; j++) |
1534 | ldata[j] = ATTR_DEFAULT | 'E'; |
1535 | ldata[cols] = 0; |
1536 | } |
1537 | disptop = 0; |
1538 | seen_disp_event = TRUE; |
1539 | scrtop.x = scrtop.y = 0; |
1540 | scrbot.x = 0; |
1541 | scrbot.y = rows; |
1542 | check_selection(scrtop, scrbot); |
1543 | } |
1544 | break; |
1545 | |
1546 | case ANSI('3', '#'): |
1547 | case ANSI('4', '#'): |
1548 | case ANSI('5', '#'): |
1549 | case ANSI('6', '#'): |
1550 | compatibility(VT100); |
1551 | { |
1552 | unsigned long nlattr; |
1553 | unsigned long *ldata; |
1554 | switch (ANSI(c, esc_query)) { |
1555 | case ANSI('3', '#'): |
1556 | nlattr = LATTR_TOP; |
1557 | break; |
1558 | case ANSI('4', '#'): |
1559 | nlattr = LATTR_BOT; |
1560 | break; |
1561 | case ANSI('5', '#'): |
1562 | nlattr = LATTR_NORM; |
1563 | break; |
2d466ffd |
1564 | default: /* spiritually case ANSI('6', '#'): */ |
4eeb7d09 |
1565 | nlattr = LATTR_WIDE; |
1566 | break; |
1567 | } |
1568 | ldata = lineptr(curs.y); |
1569 | ldata[cols] &= ~LATTR_MODE; |
1570 | ldata[cols] |= nlattr; |
1571 | } |
1572 | break; |
1573 | |
1574 | case ANSI('A', '('): |
1575 | compatibility(VT100); |
1576 | cset_attr[0] = ATTR_GBCHR; |
1577 | break; |
1578 | case ANSI('B', '('): |
1579 | compatibility(VT100); |
1580 | cset_attr[0] = ATTR_ASCII; |
1581 | break; |
1582 | case ANSI('0', '('): |
1583 | compatibility(VT100); |
1584 | cset_attr[0] = ATTR_LINEDRW; |
1585 | break; |
d3cb5465 |
1586 | case ANSI('U', '('): |
1587 | compatibility(OTHER); |
1588 | cset_attr[0] = ATTR_SCOACS; |
1589 | break; |
4eeb7d09 |
1590 | |
1591 | case ANSI('A', ')'): |
1592 | compatibility(VT100); |
1593 | cset_attr[1] = ATTR_GBCHR; |
1594 | break; |
1595 | case ANSI('B', ')'): |
1596 | compatibility(VT100); |
1597 | cset_attr[1] = ATTR_ASCII; |
1598 | break; |
1599 | case ANSI('0', ')'): |
1600 | compatibility(VT100); |
1601 | cset_attr[1] = ATTR_LINEDRW; |
1602 | break; |
d3cb5465 |
1603 | case ANSI('U', ')'): |
1604 | compatibility(OTHER); |
1605 | cset_attr[1] = ATTR_SCOACS; |
1606 | break; |
4eeb7d09 |
1607 | |
1608 | case ANSI('8', '%'): /* Old Linux code */ |
1609 | case ANSI('G', '%'): |
1610 | compatibility(OTHER); |
1611 | utf = 1; |
1612 | break; |
1613 | case ANSI('@', '%'): |
1614 | compatibility(OTHER); |
8f22582c |
1615 | utf = 0; |
4eeb7d09 |
1616 | break; |
374330e2 |
1617 | } |
1618 | break; |
32874aea |
1619 | case SEEN_CSI: |
1620 | termstate = TOPLEVEL; /* default */ |
1621 | if (isdigit(c)) { |
1622 | if (esc_nargs <= ARGS_MAX) { |
1623 | if (esc_args[esc_nargs - 1] == ARG_DEFAULT) |
1624 | esc_args[esc_nargs - 1] = 0; |
1625 | esc_args[esc_nargs - 1] = |
1626 | 10 * esc_args[esc_nargs - 1] + c - '0'; |
1627 | } |
1628 | termstate = SEEN_CSI; |
1629 | } else if (c == ';') { |
1630 | if (++esc_nargs <= ARGS_MAX) |
1631 | esc_args[esc_nargs - 1] = ARG_DEFAULT; |
1632 | termstate = SEEN_CSI; |
1633 | } else if (c < '@') { |
1634 | if (esc_query) |
1635 | esc_query = -1; |
1636 | else if (c == '?') |
1637 | esc_query = TRUE; |
1638 | else |
1639 | esc_query = c; |
1640 | termstate = SEEN_CSI; |
1641 | } else |
1642 | switch (ANSI(c, esc_query)) { |
1643 | case 'A': /* move up N lines */ |
1644 | move(curs.x, curs.y - def(esc_args[0], 1), 1); |
1645 | seen_disp_event = TRUE; |
1646 | break; |
1647 | case 'e': /* move down N lines */ |
1648 | compatibility(ANSI); |
5442e92f |
1649 | /* FALLTHROUGH */ |
32874aea |
1650 | case 'B': |
1651 | move(curs.x, curs.y + def(esc_args[0], 1), 1); |
1652 | seen_disp_event = TRUE; |
1653 | break; |
32874aea |
1654 | case ANSI('c', '>'): /* report xterm version */ |
1655 | compatibility(OTHER); |
1656 | /* this reports xterm version 136 so that VIM can |
1657 | use the drag messages from the mouse reporting */ |
760e88b2 |
1658 | ldisc_send("\033[>0;136;0c", 11, 0); |
32874aea |
1659 | break; |
5442e92f |
1660 | case 'a': /* move right N cols */ |
1661 | compatibility(ANSI); |
1662 | /* FALLTHROUGH */ |
32874aea |
1663 | case 'C': |
1664 | move(curs.x + def(esc_args[0], 1), curs.y, 1); |
1665 | seen_disp_event = TRUE; |
1666 | break; |
1667 | case 'D': /* move left N cols */ |
1668 | move(curs.x - def(esc_args[0], 1), curs.y, 1); |
1669 | seen_disp_event = TRUE; |
1670 | break; |
1671 | case 'E': /* move down N lines and CR */ |
1672 | compatibility(ANSI); |
1673 | move(0, curs.y + def(esc_args[0], 1), 1); |
1674 | seen_disp_event = TRUE; |
1675 | break; |
1676 | case 'F': /* move up N lines and CR */ |
1677 | compatibility(ANSI); |
1678 | move(0, curs.y - def(esc_args[0], 1), 1); |
1679 | seen_disp_event = TRUE; |
1680 | break; |
1681 | case 'G': |
1682 | case '`': /* set horizontal posn */ |
1683 | compatibility(ANSI); |
1684 | move(def(esc_args[0], 1) - 1, curs.y, 0); |
1685 | seen_disp_event = TRUE; |
1686 | break; |
1687 | case 'd': /* set vertical posn */ |
1688 | compatibility(ANSI); |
1689 | move(curs.x, |
1690 | (dec_om ? marg_t : 0) + def(esc_args[0], |
1691 | 1) - 1, |
1692 | (dec_om ? 2 : 0)); |
1693 | seen_disp_event = TRUE; |
1694 | break; |
1695 | case 'H': |
1696 | case 'f': /* set horz and vert posns at once */ |
1697 | if (esc_nargs < 2) |
1698 | esc_args[1] = ARG_DEFAULT; |
1699 | move(def(esc_args[1], 1) - 1, |
1700 | (dec_om ? marg_t : 0) + def(esc_args[0], |
1701 | 1) - 1, |
1702 | (dec_om ? 2 : 0)); |
1703 | seen_disp_event = TRUE; |
1704 | break; |
1705 | case 'J': /* erase screen or parts of it */ |
1706 | { |
1707 | unsigned int i = def(esc_args[0], 0) + 1; |
1708 | if (i > 3) |
1709 | i = 0; |
1710 | erase_lots(FALSE, !!(i & 2), !!(i & 1)); |
1711 | } |
1712 | disptop = 0; |
1713 | seen_disp_event = TRUE; |
1714 | break; |
1715 | case 'K': /* erase line or parts of it */ |
1716 | { |
1717 | unsigned int i = def(esc_args[0], 0) + 1; |
1718 | if (i > 3) |
1719 | i = 0; |
1720 | erase_lots(TRUE, !!(i & 2), !!(i & 1)); |
1721 | } |
1722 | seen_disp_event = TRUE; |
1723 | break; |
1724 | case 'L': /* insert lines */ |
1725 | compatibility(VT102); |
1726 | if (curs.y <= marg_b) |
1727 | scroll(curs.y, marg_b, -def(esc_args[0], 1), |
1728 | FALSE); |
1729 | fix_cpos; |
1730 | seen_disp_event = TRUE; |
1731 | break; |
1732 | case 'M': /* delete lines */ |
1733 | compatibility(VT102); |
1734 | if (curs.y <= marg_b) |
1735 | scroll(curs.y, marg_b, def(esc_args[0], 1), |
1736 | TRUE); |
1737 | fix_cpos; |
1738 | seen_disp_event = TRUE; |
1739 | break; |
1740 | case '@': /* insert chars */ |
1741 | /* XXX VTTEST says this is vt220, vt510 manual says vt102 */ |
1742 | compatibility(VT102); |
1743 | insch(def(esc_args[0], 1)); |
1744 | seen_disp_event = TRUE; |
1745 | break; |
1746 | case 'P': /* delete chars */ |
1747 | compatibility(VT102); |
1748 | insch(-def(esc_args[0], 1)); |
1749 | seen_disp_event = TRUE; |
1750 | break; |
1751 | case 'c': /* terminal type query */ |
1752 | compatibility(VT100); |
1753 | /* This is the response for a VT102 */ |
760e88b2 |
1754 | ldisc_send(id_string, strlen(id_string), 0); |
32874aea |
1755 | break; |
1756 | case 'n': /* cursor position query */ |
1757 | if (esc_args[0] == 6) { |
1758 | char buf[32]; |
1759 | sprintf(buf, "\033[%d;%dR", curs.y + 1, |
1760 | curs.x + 1); |
760e88b2 |
1761 | ldisc_send(buf, strlen(buf), 0); |
32874aea |
1762 | } else if (esc_args[0] == 5) { |
760e88b2 |
1763 | ldisc_send("\033[0n", 4, 0); |
32874aea |
1764 | } |
1765 | break; |
1766 | case 'h': /* toggle modes to high */ |
1767 | case ANSI_QUE('h'): |
1768 | compatibility(VT100); |
1769 | { |
1770 | int i; |
1771 | for (i = 0; i < esc_nargs; i++) |
1772 | toggle_mode(esc_args[i], esc_query, TRUE); |
1773 | } |
1774 | break; |
1775 | case 'l': /* toggle modes to low */ |
1776 | case ANSI_QUE('l'): |
1777 | compatibility(VT100); |
1778 | { |
1779 | int i; |
1780 | for (i = 0; i < esc_nargs; i++) |
1781 | toggle_mode(esc_args[i], esc_query, FALSE); |
1782 | } |
1783 | break; |
1784 | case 'g': /* clear tabs */ |
1785 | compatibility(VT100); |
1786 | if (esc_nargs == 1) { |
1787 | if (esc_args[0] == 0) { |
1788 | tabs[curs.x] = FALSE; |
1789 | } else if (esc_args[0] == 3) { |
1790 | int i; |
1791 | for (i = 0; i < cols; i++) |
1792 | tabs[i] = FALSE; |
1793 | } |
1794 | } |
1795 | break; |
1796 | case 'r': /* set scroll margins */ |
1797 | compatibility(VT100); |
1798 | if (esc_nargs <= 2) { |
1799 | int top, bot; |
1800 | top = def(esc_args[0], 1) - 1; |
1801 | bot = (esc_nargs <= 1 |
1802 | || esc_args[1] == |
1803 | 0 ? rows : def(esc_args[1], rows)) - 1; |
1804 | if (bot >= rows) |
1805 | bot = rows - 1; |
1806 | /* VTTEST Bug 9 - if region is less than 2 lines |
1807 | * don't change region. |
1808 | */ |
1809 | if (bot - top > 0) { |
1810 | marg_t = top; |
1811 | marg_b = bot; |
1812 | curs.x = 0; |
1813 | /* |
1814 | * I used to think the cursor should be |
1815 | * placed at the top of the newly marginned |
1816 | * area. Apparently not: VMS TPU falls over |
1817 | * if so. |
1818 | * |
1819 | * Well actually it should for Origin mode - RDB |
1820 | */ |
1821 | curs.y = (dec_om ? marg_t : 0); |
1822 | fix_cpos; |
1823 | seen_disp_event = TRUE; |
1824 | } |
1825 | } |
1826 | break; |
1827 | case 'm': /* set graphics rendition */ |
1828 | { |
1829 | /* |
1830 | * A VT100 without the AVO only had one attribute, either |
1831 | * underline or reverse video depending on the cursor type, |
1832 | * this was selected by CSI 7m. |
1833 | * |
1834 | * case 2: |
4eeb7d09 |
1835 | * This is sometimes DIM, eg on the GIGI and Linux |
32874aea |
1836 | * case 8: |
4eeb7d09 |
1837 | * This is sometimes INVIS various ANSI. |
32874aea |
1838 | * case 21: |
1839 | * This like 22 disables BOLD, DIM and INVIS |
1840 | * |
1841 | * The ANSI colours appear on any terminal that has colour |
1842 | * (obviously) but the interaction between sgr0 and the |
1843 | * colours varies but is usually related to the background |
1844 | * colour erase item. |
1845 | * The interaction between colour attributes and the mono |
1846 | * ones is also very implementation dependent. |
1847 | * |
1848 | * The 39 and 49 attributes are likely to be unimplemented. |
1849 | */ |
1850 | int i; |
1851 | for (i = 0; i < esc_nargs; i++) { |
1852 | switch (def(esc_args[i], 0)) { |
1853 | case 0: /* restore defaults */ |
1854 | curr_attr = ATTR_DEFAULT; |
1855 | break; |
1856 | case 1: /* enable bold */ |
1857 | compatibility(VT100AVO); |
1858 | curr_attr |= ATTR_BOLD; |
1859 | break; |
1860 | case 21: /* (enable double underline) */ |
1861 | compatibility(OTHER); |
1862 | case 4: /* enable underline */ |
1863 | compatibility(VT100AVO); |
1864 | curr_attr |= ATTR_UNDER; |
1865 | break; |
1866 | case 5: /* enable blink */ |
1867 | compatibility(VT100AVO); |
1868 | curr_attr |= ATTR_BLINK; |
1869 | break; |
1870 | case 7: /* enable reverse video */ |
1871 | curr_attr |= ATTR_REVERSE; |
1872 | break; |
d3cb5465 |
1873 | case 10: /* SCO acs off */ |
1874 | compatibility(SCOANSI); |
1875 | sco_acs = 0; break; |
1876 | case 11: /* SCO acs on */ |
1877 | compatibility(SCOANSI); |
1878 | sco_acs = 1; break; |
1879 | case 12: /* SCO acs on flipped */ |
1880 | compatibility(SCOANSI); |
1881 | sco_acs = 2; break; |
32874aea |
1882 | case 22: /* disable bold */ |
1883 | compatibility2(OTHER, VT220); |
1884 | curr_attr &= ~ATTR_BOLD; |
1885 | break; |
1886 | case 24: /* disable underline */ |
1887 | compatibility2(OTHER, VT220); |
1888 | curr_attr &= ~ATTR_UNDER; |
1889 | break; |
1890 | case 25: /* disable blink */ |
1891 | compatibility2(OTHER, VT220); |
1892 | curr_attr &= ~ATTR_BLINK; |
1893 | break; |
1894 | case 27: /* disable reverse video */ |
1895 | compatibility2(OTHER, VT220); |
1896 | curr_attr &= ~ATTR_REVERSE; |
1897 | break; |
1898 | case 30: |
1899 | case 31: |
1900 | case 32: |
1901 | case 33: |
1902 | case 34: |
1903 | case 35: |
1904 | case 36: |
1905 | case 37: |
1906 | /* foreground */ |
1907 | curr_attr &= ~ATTR_FGMASK; |
1908 | curr_attr |= |
1909 | (esc_args[i] - 30) << ATTR_FGSHIFT; |
1910 | break; |
1911 | case 39: /* default-foreground */ |
1912 | curr_attr &= ~ATTR_FGMASK; |
1913 | curr_attr |= ATTR_DEFFG; |
1914 | break; |
1915 | case 40: |
1916 | case 41: |
1917 | case 42: |
1918 | case 43: |
1919 | case 44: |
1920 | case 45: |
1921 | case 46: |
1922 | case 47: |
1923 | /* background */ |
1924 | curr_attr &= ~ATTR_BGMASK; |
1925 | curr_attr |= |
1926 | (esc_args[i] - 40) << ATTR_BGSHIFT; |
1927 | break; |
1928 | case 49: /* default-background */ |
1929 | curr_attr &= ~ATTR_BGMASK; |
1930 | curr_attr |= ATTR_DEFBG; |
1931 | break; |
1932 | } |
1933 | } |
1934 | if (use_bce) |
8f22582c |
1935 | erase_char = (' ' | ATTR_ASCII | |
1936 | (curr_attr & |
1937 | (ATTR_FGMASK | ATTR_BGMASK))); |
32874aea |
1938 | } |
1939 | break; |
1940 | case 's': /* save cursor */ |
1941 | save_cursor(TRUE); |
1942 | break; |
1943 | case 'u': /* restore cursor */ |
1944 | save_cursor(FALSE); |
1945 | seen_disp_event = TRUE; |
1946 | break; |
1947 | case 't': /* set page size - ie window height */ |
374330e2 |
1948 | /* |
32874aea |
1949 | * VT340/VT420 sequence DECSLPP, DEC only allows values |
1950 | * 24/25/36/48/72/144 other emulators (eg dtterm) use |
1951 | * illegal values (eg first arg 1..9) for window changing |
1952 | * and reports. |
1953 | */ |
32874aea |
1954 | if (esc_nargs <= 1 |
1955 | && (esc_args[0] < 1 || esc_args[0] >= 24)) { |
68f9b3d9 |
1956 | compatibility(VT340TEXT); |
5a73255e |
1957 | request_resize(cols, def(esc_args[0], 24)); |
32874aea |
1958 | deselect(); |
68f9b3d9 |
1959 | } else if (esc_nargs >= 1 && |
1960 | esc_args[0] >= 1 && |
1961 | esc_args[0] < 24) { |
1962 | compatibility(OTHER); |
1963 | |
1964 | switch (esc_args[0]) { |
1965 | int x, y, len; |
1966 | char buf[80], *p; |
1967 | case 1: |
1968 | set_iconic(FALSE); |
1969 | break; |
1970 | case 2: |
1971 | set_iconic(TRUE); |
1972 | break; |
1973 | case 3: |
1974 | if (esc_nargs >= 3) { |
1975 | move_window(def(esc_args[1], 0), |
1976 | def(esc_args[2], 0)); |
1977 | } |
1978 | break; |
1979 | case 4: |
1980 | /* We should resize the window to a given |
1981 | * size in pixels here, but currently our |
1982 | * resizing code isn't healthy enough to |
1983 | * manage it. */ |
1984 | break; |
1985 | case 5: |
1986 | set_zorder(TRUE); /* move to top */ |
1987 | break; |
1988 | case 6: |
1989 | set_zorder(FALSE); /* move to bottom */ |
1990 | break; |
1991 | case 7: |
1992 | refresh_window(); |
1993 | break; |
1994 | case 8: |
1995 | if (esc_nargs >= 3) { |
0622ea71 |
1996 | request_resize(def(esc_args[2], cfg.width), |
1997 | def(esc_args[1], cfg.height)); |
68f9b3d9 |
1998 | } |
1999 | break; |
2000 | case 9: |
2001 | if (esc_nargs >= 2) |
2002 | set_zoomed(esc_args[1] ? TRUE : FALSE); |
2003 | break; |
2004 | case 11: |
2005 | ldisc_send(is_iconic() ? "\033[1t" : "\033[2t", |
2006 | 4, 0); |
2007 | break; |
2008 | case 13: |
2009 | get_window_pos(&x, &y); |
2010 | len = sprintf(buf, "\033[3;%d;%dt", x, y); |
2011 | ldisc_send(buf, len, 0); |
2012 | break; |
2013 | case 14: |
2014 | get_window_pixels(&x, &y); |
2015 | len = sprintf(buf, "\033[4;%d;%dt", x, y); |
2016 | ldisc_send(buf, len, 0); |
2017 | break; |
2018 | case 18: |
2019 | len = sprintf(buf, "\033[8;%d;%dt", |
0622ea71 |
2020 | rows, cols); |
68f9b3d9 |
2021 | ldisc_send(buf, len, 0); |
2022 | break; |
2023 | case 19: |
2024 | /* |
2025 | * Hmmm. Strictly speaking we |
2026 | * should return `the size of the |
2027 | * screen in characters', but |
2028 | * that's not easy: (a) window |
2029 | * furniture being what it is it's |
2030 | * hard to compute, and (b) in |
2031 | * resize-font mode maximising the |
2032 | * window wouldn't change the |
2033 | * number of characters. *shrug*. I |
2034 | * think we'll ignore it for the |
2035 | * moment and see if anyone |
2036 | * complains, and then ask them |
2037 | * what they would like it to do. |
2038 | */ |
2039 | break; |
2040 | case 20: |
2041 | p = get_window_title(TRUE); |
2042 | len = strlen(p); |
2043 | ldisc_send("\033]L", 3, 0); |
2044 | ldisc_send(p, len, 0); |
2045 | ldisc_send("\033\\", 2, 0); |
2046 | break; |
2047 | case 21: |
2048 | p = get_window_title(FALSE); |
2049 | len = strlen(p); |
2050 | ldisc_send("\033]l", 3, 0); |
2051 | ldisc_send(p, len, 0); |
2052 | ldisc_send("\033\\", 2, 0); |
2053 | break; |
2054 | } |
32874aea |
2055 | } |
2056 | break; |
1a837633 |
2057 | case 'S': |
2058 | compatibility(SCOANSI); |
2059 | scroll(marg_t, marg_b, def(esc_args[0], 1), TRUE); |
2060 | fix_cpos; |
2061 | wrapnext = FALSE; |
2062 | seen_disp_event = TRUE; |
2063 | break; |
2064 | case 'T': |
2065 | compatibility(SCOANSI); |
2066 | scroll(marg_t, marg_b, -def(esc_args[0], 1), TRUE); |
2067 | fix_cpos; |
2068 | wrapnext = FALSE; |
2069 | seen_disp_event = TRUE; |
2070 | break; |
32874aea |
2071 | case ANSI('|', '*'): |
2072 | /* VT420 sequence DECSNLS |
2073 | * Set number of lines on screen |
2074 | * VT420 uses VGA like hardware and can support any size in |
2075 | * reasonable range (24..49 AIUI) with no default specified. |
2076 | */ |
2077 | compatibility(VT420); |
2078 | if (esc_nargs == 1 && esc_args[0] > 0) { |
5a73255e |
2079 | request_resize(cols, def(esc_args[0], cfg.height)); |
32874aea |
2080 | deselect(); |
2081 | } |
2082 | break; |
2083 | case ANSI('|', '$'): |
2084 | /* VT340/VT420 sequence DECSCPP |
2085 | * Set number of columns per page |
2086 | * Docs imply range is only 80 or 132, but I'll allow any. |
2087 | */ |
2088 | compatibility(VT340TEXT); |
2089 | if (esc_nargs <= 1) { |
5a73255e |
2090 | request_resize(def(esc_args[0], cfg.width), rows); |
32874aea |
2091 | deselect(); |
2092 | } |
2093 | break; |
2094 | case 'X': /* write N spaces w/o moving cursor */ |
2095 | /* XXX VTTEST says this is vt220, vt510 manual says vt100 */ |
2096 | compatibility(ANSIMIN); |
2097 | { |
2098 | int n = def(esc_args[0], 1); |
2099 | pos cursplus; |
2100 | unsigned long *p = cpos; |
2101 | if (n > cols - curs.x) |
2102 | n = cols - curs.x; |
2103 | cursplus = curs; |
2104 | cursplus.x += n; |
2105 | check_selection(curs, cursplus); |
2106 | while (n--) |
2107 | *p++ = erase_char; |
2108 | seen_disp_event = TRUE; |
2109 | } |
2110 | break; |
2111 | case 'x': /* report terminal characteristics */ |
2112 | compatibility(VT100); |
2113 | { |
2114 | char buf[32]; |
2115 | int i = def(esc_args[0], 0); |
2116 | if (i == 0 || i == 1) { |
2117 | strcpy(buf, "\033[2;1;1;112;112;1;0x"); |
2118 | buf[2] += i; |
760e88b2 |
2119 | ldisc_send(buf, 20, 0); |
32874aea |
2120 | } |
2121 | } |
2122 | break; |
979f6987 |
2123 | case 'Z': /* BackTab for xterm */ |
2124 | compatibility(OTHER); |
2125 | { |
2126 | int i = def(esc_args[0], 1); |
2127 | pos old_curs = curs; |
2128 | |
2129 | for(;i>0 && curs.x>0; i--) { |
2130 | do { |
2131 | curs.x--; |
2132 | } while (curs.x >0 && !tabs[curs.x]); |
2133 | } |
2134 | fix_cpos; |
2135 | check_selection(old_curs, curs); |
2136 | } |
2137 | break; |
32874aea |
2138 | case ANSI('L', '='): |
2139 | compatibility(OTHER); |
2140 | use_bce = (esc_args[0] <= 0); |
2141 | erase_char = ERASE_CHAR; |
2142 | if (use_bce) |
8f22582c |
2143 | erase_char = (' ' | ATTR_ASCII | |
2144 | (curr_attr & |
2145 | (ATTR_FGMASK | ATTR_BGMASK))); |
32874aea |
2146 | break; |
2147 | case ANSI('E', '='): |
2148 | compatibility(OTHER); |
2149 | blink_is_real = (esc_args[0] >= 1); |
2150 | break; |
2151 | case ANSI('p', '"'): |
2152 | /* Allow the host to make this emulator a 'perfect' VT102. |
2153 | * This first appeared in the VT220, but we do need to get |
2154 | * back to PuTTY mode so I won't check it. |
e14a5a13 |
2155 | * |
4eeb7d09 |
2156 | * The arg in 40..42,50 are a PuTTY extension. |
32874aea |
2157 | * The 2nd arg, 8bit vs 7bit is not checked. |
2158 | * |
2159 | * Setting VT102 mode should also change the Fkeys to |
2160 | * generate PF* codes as a real VT102 has no Fkeys. |
2161 | * The VT220 does this, F11..F13 become ESC,BS,LF other Fkeys |
2162 | * send nothing. |
2163 | * |
2164 | * Note ESC c will NOT change this! |
374330e2 |
2165 | */ |
32874aea |
2166 | |
2167 | switch (esc_args[0]) { |
2168 | case 61: |
2169 | compatibility_level &= ~TM_VTXXX; |
2170 | compatibility_level |= TM_VT102; |
374330e2 |
2171 | break; |
32874aea |
2172 | case 62: |
2173 | compatibility_level &= ~TM_VTXXX; |
2174 | compatibility_level |= TM_VT220; |
2175 | break; |
2176 | |
2177 | default: |
2178 | if (esc_args[0] > 60 && esc_args[0] < 70) |
2179 | compatibility_level |= TM_VTXXX; |
2180 | break; |
2181 | |
2182 | case 40: |
2183 | compatibility_level &= TM_VTXXX; |
374330e2 |
2184 | break; |
32874aea |
2185 | case 41: |
2186 | compatibility_level = TM_PUTTY; |
374330e2 |
2187 | break; |
32874aea |
2188 | case 42: |
2189 | compatibility_level = TM_SCOANSI; |
374330e2 |
2190 | break; |
32874aea |
2191 | |
2192 | case ARG_DEFAULT: |
2193 | compatibility_level = TM_PUTTY; |
2194 | break; |
2195 | case 50: |
2196 | break; |
2197 | } |
2198 | |
2199 | /* Change the response to CSI c */ |
2200 | if (esc_args[0] == 50) { |
2201 | int i; |
2202 | char lbuf[64]; |
2203 | strcpy(id_string, "\033[?"); |
2204 | for (i = 1; i < esc_nargs; i++) { |
2205 | if (i != 1) |
2206 | strcat(id_string, ";"); |
2207 | sprintf(lbuf, "%d", esc_args[i]); |
2208 | strcat(id_string, lbuf); |
2209 | } |
2210 | strcat(id_string, "c"); |
2211 | } |
2212 | #if 0 |
2213 | /* Is this a good idea ? |
2214 | * Well we should do a soft reset at this point ... |
2215 | */ |
2216 | if (!has_compat(VT420) && has_compat(VT100)) { |
2217 | if (reset_132) |
5a73255e |
2218 | request_resize(132, 24); |
32874aea |
2219 | else |
5a73255e |
2220 | request_resize(80, 24); |
374330e2 |
2221 | } |
32874aea |
2222 | #endif |
2223 | break; |
374330e2 |
2224 | } |
374330e2 |
2225 | break; |
32874aea |
2226 | case SEEN_OSC: |
2227 | osc_w = FALSE; |
2228 | switch (c) { |
2229 | case 'P': /* Linux palette sequence */ |
2230 | termstate = SEEN_OSC_P; |
2231 | osc_strlen = 0; |
2232 | break; |
2233 | case 'R': /* Linux palette reset */ |
2234 | palette_reset(); |
2235 | term_invalidate(); |
2236 | termstate = TOPLEVEL; |
2237 | break; |
2238 | case 'W': /* word-set */ |
2239 | termstate = SEEN_OSC_W; |
2240 | osc_w = TRUE; |
2241 | break; |
2242 | case '0': |
2243 | case '1': |
2244 | case '2': |
2245 | case '3': |
2246 | case '4': |
2247 | case '5': |
2248 | case '6': |
2249 | case '7': |
2250 | case '8': |
2251 | case '9': |
2252 | esc_args[0] = 10 * esc_args[0] + c - '0'; |
2253 | break; |
2254 | case 'L': |
2255 | /* |
2256 | * Grotty hack to support xterm and DECterm title |
2257 | * sequences concurrently. |
2258 | */ |
2259 | if (esc_args[0] == 2) { |
2260 | esc_args[0] = 1; |
2261 | break; |
2262 | } |
2263 | /* else fall through */ |
2264 | default: |
2265 | termstate = OSC_STRING; |
2266 | osc_strlen = 0; |
e14a5a13 |
2267 | } |
2268 | break; |
32874aea |
2269 | case OSC_STRING: |
2270 | /* |
2271 | * This OSC stuff is EVIL. It takes just one character to get into |
2272 | * sysline mode and it's not initially obvious how to get out. |
2273 | * So I've added CR and LF as string aborts. |
2274 | * This shouldn't effect compatibility as I believe embedded |
2275 | * control characters are supposed to be interpreted (maybe?) |
2276 | * and they don't display anything useful anyway. |
2277 | * |
2278 | * -- RDB |
e14a5a13 |
2279 | */ |
32874aea |
2280 | if (c == '\n' || c == '\r') { |
2281 | termstate = TOPLEVEL; |
2282 | } else if (c == 0234 || c == '\007') { |
2283 | /* |
2284 | * These characters terminate the string; ST and BEL |
2285 | * terminate the sequence and trigger instant |
2286 | * processing of it, whereas ESC goes back to SEEN_ESC |
2287 | * mode unless it is followed by \, in which case it is |
2288 | * synonymous with ST in the first place. |
2289 | */ |
2290 | do_osc(); |
2291 | termstate = TOPLEVEL; |
2292 | } else if (c == '\033') |
2293 | termstate = OSC_MAYBE_ST; |
2294 | else if (osc_strlen < OSC_STR_MAX) |
2295 | osc_string[osc_strlen++] = c; |
374330e2 |
2296 | break; |
32874aea |
2297 | case SEEN_OSC_P: |
374330e2 |
2298 | { |
32874aea |
2299 | int max = (osc_strlen == 0 ? 21 : 16); |
2300 | int val; |
2301 | if (c >= '0' && c <= '9') |
2302 | val = c - '0'; |
2303 | else if (c >= 'A' && c <= 'A' + max - 10) |
2304 | val = c - 'A' + 10; |
2305 | else if (c >= 'a' && c <= 'a' + max - 10) |
2306 | val = c - 'a' + 10; |
2d466ffd |
2307 | else { |
32874aea |
2308 | termstate = TOPLEVEL; |
2d466ffd |
2309 | break; |
2310 | } |
32874aea |
2311 | osc_string[osc_strlen++] = val; |
2312 | if (osc_strlen >= 7) { |
2313 | palette_set(osc_string[0], |
2314 | osc_string[1] * 16 + osc_string[2], |
2315 | osc_string[3] * 16 + osc_string[4], |
2316 | osc_string[5] * 16 + osc_string[6]); |
2317 | term_invalidate(); |
2318 | termstate = TOPLEVEL; |
374330e2 |
2319 | } |
2320 | } |
2321 | break; |
32874aea |
2322 | case SEEN_OSC_W: |
2323 | switch (c) { |
2324 | case '0': |
2325 | case '1': |
2326 | case '2': |
2327 | case '3': |
2328 | case '4': |
2329 | case '5': |
2330 | case '6': |
2331 | case '7': |
2332 | case '8': |
2333 | case '9': |
2334 | esc_args[0] = 10 * esc_args[0] + c - '0'; |
2335 | break; |
2336 | default: |
2337 | termstate = OSC_STRING; |
2338 | osc_strlen = 0; |
ec55b220 |
2339 | } |
32874aea |
2340 | break; |
32874aea |
2341 | case VT52_ESC: |
374330e2 |
2342 | termstate = TOPLEVEL; |
32874aea |
2343 | seen_disp_event = TRUE; |
c9def1b8 |
2344 | switch (c) { |
32874aea |
2345 | case 'A': |
2346 | move(curs.x, curs.y - 1, 1); |
2347 | break; |
2348 | case 'B': |
2349 | move(curs.x, curs.y + 1, 1); |
2350 | break; |
2351 | case 'C': |
2352 | move(curs.x + 1, curs.y, 1); |
2353 | break; |
2354 | case 'D': |
2355 | move(curs.x - 1, curs.y, 1); |
2356 | break; |
4eeb7d09 |
2357 | /* |
2358 | * From the VT100 Manual |
2359 | * NOTE: The special graphics characters in the VT100 |
2360 | * are different from those in the VT52 |
2361 | * |
2362 | * From VT102 manual: |
2363 | * 137 _ Blank - Same |
2364 | * 140 ` Reserved - Humm. |
2365 | * 141 a Solid rectangle - Similar |
2366 | * 142 b 1/ - Top half of fraction for the |
2367 | * 143 c 3/ - subscript numbers below. |
2368 | * 144 d 5/ |
2369 | * 145 e 7/ |
2370 | * 146 f Degrees - Same |
2371 | * 147 g Plus or minus - Same |
2372 | * 150 h Right arrow |
2373 | * 151 i Ellipsis (dots) |
2374 | * 152 j Divide by |
2375 | * 153 k Down arrow |
2376 | * 154 l Bar at scan 0 |
2377 | * 155 m Bar at scan 1 |
2378 | * 156 n Bar at scan 2 |
2379 | * 157 o Bar at scan 3 - Similar |
2380 | * 160 p Bar at scan 4 - Similar |
2381 | * 161 q Bar at scan 5 - Similar |
2382 | * 162 r Bar at scan 6 - Same |
2383 | * 163 s Bar at scan 7 - Similar |
2384 | * 164 t Subscript 0 |
2385 | * 165 u Subscript 1 |
2386 | * 166 v Subscript 2 |
2387 | * 167 w Subscript 3 |
2388 | * 170 x Subscript 4 |
2389 | * 171 y Subscript 5 |
2390 | * 172 z Subscript 6 |
2391 | * 173 { Subscript 7 |
2392 | * 174 | Subscript 8 |
2393 | * 175 } Subscript 9 |
2394 | * 176 ~ Paragraph |
2395 | * |
2396 | */ |
32874aea |
2397 | case 'F': |
2398 | cset_attr[cset = 0] = ATTR_LINEDRW; |
2399 | break; |
2400 | case 'G': |
2401 | cset_attr[cset = 0] = ATTR_ASCII; |
2402 | break; |
2403 | case 'H': |
2404 | move(0, 0, 0); |
2405 | break; |
2406 | case 'I': |
2407 | if (curs.y == 0) |
2408 | scroll(0, rows - 1, -1, TRUE); |
2409 | else if (curs.y > 0) |
2410 | curs.y--; |
2411 | fix_cpos; |
2412 | wrapnext = FALSE; |
2413 | break; |
2414 | case 'J': |
2415 | erase_lots(FALSE, FALSE, TRUE); |
4facdf84 |
2416 | disptop = 0; |
c9def1b8 |
2417 | break; |
32874aea |
2418 | case 'K': |
2419 | erase_lots(TRUE, FALSE, TRUE); |
2420 | break; |
4eeb7d09 |
2421 | #if 0 |
32874aea |
2422 | case 'V': |
2423 | /* XXX Print cursor line */ |
2424 | break; |
2425 | case 'W': |
2426 | /* XXX Start controller mode */ |
2427 | break; |
2428 | case 'X': |
2429 | /* XXX Stop controller mode */ |
2430 | break; |
4eeb7d09 |
2431 | #endif |
32874aea |
2432 | case 'Y': |
2433 | termstate = VT52_Y1; |
2434 | break; |
2435 | case 'Z': |
760e88b2 |
2436 | ldisc_send("\033/Z", 3, 0); |
32874aea |
2437 | break; |
2438 | case '=': |
2439 | app_keypad_keys = TRUE; |
2440 | break; |
2441 | case '>': |
2442 | app_keypad_keys = FALSE; |
2443 | break; |
2444 | case '<': |
2445 | /* XXX This should switch to VT100 mode not current or default |
2446 | * VT mode. But this will only have effect in a VT220+ |
2447 | * emulation. |
2448 | */ |
2449 | vt52_mode = FALSE; |
4eeb7d09 |
2450 | blink_is_real = cfg.blinktext; |
32874aea |
2451 | break; |
4eeb7d09 |
2452 | #if 0 |
32874aea |
2453 | case '^': |
2454 | /* XXX Enter auto print mode */ |
2455 | break; |
2456 | case '_': |
2457 | /* XXX Exit auto print mode */ |
2458 | break; |
2459 | case ']': |
2460 | /* XXX Print screen */ |
2461 | break; |
4eeb7d09 |
2462 | #endif |
2463 | |
2464 | #ifdef VT52_PLUS |
2465 | case 'E': |
2466 | /* compatibility(ATARI) */ |
2467 | move(0, 0, 0); |
2468 | erase_lots(FALSE, FALSE, TRUE); |
2469 | disptop = 0; |
2470 | break; |
2471 | case 'L': |
2472 | /* compatibility(ATARI) */ |
2473 | if (curs.y <= marg_b) |
2474 | scroll(curs.y, marg_b, -1, FALSE); |
2475 | break; |
2476 | case 'M': |
2477 | /* compatibility(ATARI) */ |
2478 | if (curs.y <= marg_b) |
2479 | scroll(curs.y, marg_b, 1, TRUE); |
2480 | break; |
2481 | case 'b': |
2482 | /* compatibility(ATARI) */ |
2483 | termstate = VT52_FG; |
2484 | break; |
2485 | case 'c': |
2486 | /* compatibility(ATARI) */ |
2487 | termstate = VT52_BG; |
2488 | break; |
2489 | case 'd': |
2490 | /* compatibility(ATARI) */ |
2491 | erase_lots(FALSE, TRUE, FALSE); |
2492 | disptop = 0; |
2493 | break; |
2494 | case 'e': |
2495 | /* compatibility(ATARI) */ |
2496 | cursor_on = TRUE; |
2497 | break; |
2498 | case 'f': |
2499 | /* compatibility(ATARI) */ |
2500 | cursor_on = FALSE; |
2501 | break; |
2502 | /* case 'j': Save cursor position - broken on ST */ |
2503 | /* case 'k': Restore cursor position */ |
2504 | case 'l': |
2505 | /* compatibility(ATARI) */ |
2506 | erase_lots(TRUE, TRUE, TRUE); |
2507 | curs.x = 0; |
2508 | wrapnext = FALSE; |
2509 | fix_cpos; |
2510 | break; |
2511 | case 'o': |
2512 | /* compatibility(ATARI) */ |
2513 | erase_lots(TRUE, TRUE, FALSE); |
2514 | break; |
2515 | case 'p': |
2516 | /* compatibility(ATARI) */ |
2517 | curr_attr |= ATTR_REVERSE; |
2518 | break; |
2519 | case 'q': |
2520 | /* compatibility(ATARI) */ |
2521 | curr_attr &= ~ATTR_REVERSE; |
2522 | break; |
2523 | case 'v': /* wrap Autowrap on - Wyse style */ |
2524 | /* compatibility(ATARI) */ |
2525 | wrap = 1; |
2526 | break; |
2527 | case 'w': /* Autowrap off */ |
2528 | /* compatibility(ATARI) */ |
2529 | wrap = 0; |
2530 | break; |
2531 | |
2532 | case 'R': |
2533 | /* compatibility(OTHER) */ |
2534 | vt52_bold = FALSE; |
2535 | curr_attr = ATTR_DEFAULT; |
2536 | if (use_bce) |
8f22582c |
2537 | erase_char = (' ' | ATTR_ASCII | |
2538 | (curr_attr & |
2539 | (ATTR_FGMASK | ATTR_BGMASK))); |
4eeb7d09 |
2540 | break; |
2541 | case 'S': |
2542 | /* compatibility(VI50) */ |
2543 | curr_attr |= ATTR_UNDER; |
2544 | break; |
2545 | case 'W': |
2546 | /* compatibility(VI50) */ |
2547 | curr_attr &= ~ATTR_UNDER; |
2548 | break; |
2549 | case 'U': |
2550 | /* compatibility(VI50) */ |
2551 | vt52_bold = TRUE; |
2552 | curr_attr |= ATTR_BOLD; |
2553 | break; |
2554 | case 'T': |
2555 | /* compatibility(VI50) */ |
2556 | vt52_bold = FALSE; |
2557 | curr_attr &= ~ATTR_BOLD; |
2558 | break; |
2559 | #endif |
c9def1b8 |
2560 | } |
e14a5a13 |
2561 | break; |
32874aea |
2562 | case VT52_Y1: |
2563 | termstate = VT52_Y2; |
2564 | move(curs.x, c - ' ', 0); |
e14a5a13 |
2565 | break; |
32874aea |
2566 | case VT52_Y2: |
2567 | termstate = TOPLEVEL; |
2568 | move(c - ' ', curs.y, 0); |
e14a5a13 |
2569 | break; |
4eeb7d09 |
2570 | |
2571 | #ifdef VT52_PLUS |
2572 | case VT52_FG: |
2573 | termstate = TOPLEVEL; |
2574 | curr_attr &= ~ATTR_FGMASK; |
2575 | curr_attr &= ~ATTR_BOLD; |
2576 | curr_attr |= (c & 0x7) << ATTR_FGSHIFT; |
2577 | if ((c & 0x8) || vt52_bold) |
2578 | curr_attr |= ATTR_BOLD; |
2579 | |
2580 | if (use_bce) |
8f22582c |
2581 | erase_char = (' ' | ATTR_ASCII | |
2582 | (curr_attr & (ATTR_FGMASK | ATTR_BGMASK))); |
4eeb7d09 |
2583 | break; |
2584 | case VT52_BG: |
2585 | termstate = TOPLEVEL; |
2586 | curr_attr &= ~ATTR_BGMASK; |
2587 | curr_attr &= ~ATTR_BLINK; |
2588 | curr_attr |= (c & 0x7) << ATTR_BGSHIFT; |
2589 | |
2590 | /* Note: bold background */ |
2591 | if (c & 0x8) |
2592 | curr_attr |= ATTR_BLINK; |
2593 | |
2594 | if (use_bce) |
8f22582c |
2595 | erase_char = (' ' | ATTR_ASCII | |
2596 | (curr_attr & (ATTR_FGMASK | ATTR_BGMASK))); |
4eeb7d09 |
2597 | break; |
2598 | #endif |
2d466ffd |
2599 | default: break; /* placate gcc warning about enum use */ |
e14a5a13 |
2600 | } |
4facdf84 |
2601 | if (selstate != NO_SELECTION) { |
2602 | pos cursplus = curs; |
2603 | incpos(cursplus); |
32874aea |
2604 | check_selection(curs, cursplus); |
4facdf84 |
2605 | } |
374330e2 |
2606 | } |
374330e2 |
2607 | } |
2608 | |
4eeb7d09 |
2609 | #if 0 |
374330e2 |
2610 | /* |
2611 | * Compare two lines to determine whether they are sufficiently |
2612 | * alike to scroll-optimise one to the other. Return the degree of |
2613 | * similarity. |
2614 | */ |
32874aea |
2615 | static int linecmp(unsigned long *a, unsigned long *b) |
2616 | { |
374330e2 |
2617 | int i, n; |
2618 | |
32874aea |
2619 | for (i = n = 0; i < cols; i++) |
374330e2 |
2620 | n += (*a++ == *b++); |
2621 | return n; |
2622 | } |
4eeb7d09 |
2623 | #endif |
374330e2 |
2624 | |
2625 | /* |
2626 | * Given a context, update the window. Out of paranoia, we don't |
2627 | * allow WM_PAINT responses to do scrolling optimisations. |
2628 | */ |
32874aea |
2629 | static void do_paint(Context ctx, int may_optimise) |
2630 | { |
4eeb7d09 |
2631 | int i, j, our_curs_y; |
2632 | unsigned long rv, cursor; |
4facdf84 |
2633 | pos scrpos; |
374330e2 |
2634 | char ch[1024]; |
4eeb7d09 |
2635 | long cursor_background = ERASE_CHAR; |
286c6b86 |
2636 | unsigned long ticks; |
374330e2 |
2637 | |
156686ef |
2638 | /* |
2639 | * Check the visual bell state. |
2640 | */ |
2641 | if (in_vbell) { |
2642 | ticks = GetTickCount(); |
286c6b86 |
2643 | if (ticks - vbell_startpoint >= VBELL_TIMEOUT) |
2644 | in_vbell = FALSE; |
2645 | } |
156686ef |
2646 | |
4eeb7d09 |
2647 | rv = (!rvideo ^ !in_vbell ? ATTR_REVERSE : 0); |
2648 | |
156686ef |
2649 | /* Depends on: |
2650 | * screen array, disptop, scrtop, |
2651 | * selection, rv, |
2652 | * cfg.blinkpc, blink_is_real, tblinker, |
4eeb7d09 |
2653 | * curs.y, curs.x, blinker, cfg.blink_cur, cursor_on, has_focus, wrapnext |
156686ef |
2654 | */ |
4eeb7d09 |
2655 | |
2656 | /* Has the cursor position or type changed ? */ |
e14a5a13 |
2657 | if (cursor_on) { |
32874aea |
2658 | if (has_focus) { |
217dceef |
2659 | if (blinker || !cfg.blink_cur) |
4eeb7d09 |
2660 | cursor = TATTR_ACTCURS; |
32874aea |
2661 | else |
2662 | cursor = 0; |
2663 | } else |
4eeb7d09 |
2664 | cursor = TATTR_PASCURS; |
4e30ff69 |
2665 | if (wrapnext) |
4eeb7d09 |
2666 | cursor |= TATTR_RIGHTCURS; |
32874aea |
2667 | } else |
156686ef |
2668 | cursor = 0; |
4facdf84 |
2669 | our_curs_y = curs.y - disptop; |
374330e2 |
2670 | |
4eeb7d09 |
2671 | if (dispcurs && (curstype != cursor || |
2672 | dispcurs != |
2673 | disptext + our_curs_y * (cols + 1) + curs.x)) { |
5a73255e |
2674 | if (dispcurs > disptext && |
2675 | (*dispcurs & (CHAR_MASK | CSET_MASK)) == UCSWIDE) |
4eeb7d09 |
2676 | dispcurs[-1] |= ATTR_INVALID; |
5a73255e |
2677 | if ( (dispcurs[1] & (CHAR_MASK | CSET_MASK)) == UCSWIDE) |
4eeb7d09 |
2678 | dispcurs[1] |= ATTR_INVALID; |
2679 | *dispcurs |= ATTR_INVALID; |
2680 | curstype = 0; |
2681 | } |
2682 | dispcurs = NULL; |
2683 | |
2684 | /* The normal screen data */ |
32874aea |
2685 | for (i = 0; i < rows; i++) { |
4facdf84 |
2686 | unsigned long *ldata; |
2687 | int lattr; |
6908fed7 |
2688 | int idx, dirty_line, dirty_run, selected; |
4eeb7d09 |
2689 | unsigned long attr = 0; |
2690 | int updated_line = 0; |
2691 | int start = 0; |
2692 | int ccount = 0; |
2693 | int last_run_dirty = 0; |
2694 | |
4facdf84 |
2695 | scrpos.y = i + disptop; |
2696 | ldata = lineptr(scrpos.y); |
2697 | lattr = (ldata[cols] & LATTR_MODE); |
4eeb7d09 |
2698 | |
2699 | idx = i * (cols + 1); |
2700 | dirty_run = dirty_line = (ldata[cols] != disptext[idx + cols]); |
2701 | disptext[idx + cols] = ldata[cols]; |
2702 | |
2703 | for (j = 0; j < cols; j++, idx++) { |
2704 | unsigned long tattr, tchar; |
2705 | unsigned long *d = ldata + j; |
2706 | int break_run; |
4facdf84 |
2707 | scrpos.x = j; |
32874aea |
2708 | |
4eeb7d09 |
2709 | tchar = (*d & (CHAR_MASK | CSET_MASK)); |
2710 | tattr = (*d & (ATTR_MASK ^ CSET_MASK)); |
2711 | switch (tchar & CSET_MASK) { |
2712 | case ATTR_ASCII: |
2713 | tchar = unitab_line[tchar & 0xFF]; |
2714 | break; |
2715 | case ATTR_LINEDRW: |
2716 | tchar = unitab_xterm[tchar & 0xFF]; |
2717 | break; |
d3cb5465 |
2718 | case ATTR_SCOACS: |
2719 | tchar = unitab_scoacs[tchar&0xFF]; |
2720 | break; |
4eeb7d09 |
2721 | } |
2722 | tattr |= (tchar & CSET_MASK); |
2723 | tchar &= CHAR_MASK; |
5a73255e |
2724 | if ((d[1] & (CHAR_MASK | CSET_MASK)) == UCSWIDE) |
2725 | tattr |= ATTR_WIDE; |
4eeb7d09 |
2726 | |
2727 | /* Video reversing things */ |
6908fed7 |
2728 | if (seltype == LEXICOGRAPHIC) |
2729 | selected = posle(selstart, scrpos) && poslt(scrpos, selend); |
2730 | else |
2731 | selected = posPle(selstart, scrpos) && posPlt(scrpos, selend); |
4eeb7d09 |
2732 | tattr = (tattr ^ rv |
6908fed7 |
2733 | ^ (selected ? ATTR_REVERSE : 0)); |
4eeb7d09 |
2734 | |
2735 | /* 'Real' blinking ? */ |
2736 | if (blink_is_real && (tattr & ATTR_BLINK)) { |
2737 | if (has_focus && tblinker) { |
2738 | tchar = ' '; |
2739 | tattr &= ~CSET_MASK; |
2740 | tattr |= ATTR_ACP; |
c9def1b8 |
2741 | } |
4eeb7d09 |
2742 | tattr &= ~ATTR_BLINK; |
c9def1b8 |
2743 | } |
374330e2 |
2744 | |
5a73255e |
2745 | /* |
2746 | * Check the font we'll _probably_ be using to see if |
2747 | * the character is wide when we don't want it to be. |
2748 | */ |
2749 | if ((tchar | tattr) != (disptext[idx]& ~ATTR_NARROW)) { |
2750 | if ((tattr & ATTR_WIDE) == 0 && |
2751 | CharWidth(ctx, (tchar | tattr) & 0xFFFF) == 2) |
2752 | tattr |= ATTR_NARROW; |
2753 | } else if (disptext[idx]&ATTR_NARROW) |
2754 | tattr |= ATTR_NARROW; |
2755 | |
4eeb7d09 |
2756 | /* Cursor here ? Save the 'background' */ |
2757 | if (i == our_curs_y && j == curs.x) { |
2758 | cursor_background = tattr | tchar; |
2759 | dispcurs = disptext + idx; |
2760 | } |
374330e2 |
2761 | |
4eeb7d09 |
2762 | if ((disptext[idx] ^ tattr) & ATTR_WIDE) |
2763 | dirty_line = TRUE; |
2764 | |
2765 | break_run = (tattr != attr || j - start >= sizeof(ch)); |
2766 | |
2767 | /* Special hack for VT100 Linedraw glyphs */ |
2768 | if ((attr & CSET_MASK) == 0x2300 && tchar >= 0xBA |
2769 | && tchar <= 0xBD) break_run = TRUE; |
2770 | |
2771 | if (!dbcs_screenfont && !dirty_line) { |
2772 | if ((tchar | tattr) == disptext[idx]) |
2773 | break_run = TRUE; |
2774 | else if (!dirty_run && ccount == 1) |
2775 | break_run = TRUE; |
374330e2 |
2776 | } |
4eeb7d09 |
2777 | |
2778 | if (break_run) { |
2779 | if ((dirty_run || last_run_dirty) && ccount > 0) { |
2780 | do_text(ctx, start, i, ch, ccount, attr, lattr); |
2781 | updated_line = 1; |
2782 | } |
2783 | start = j; |
2784 | ccount = 0; |
2785 | attr = tattr; |
2786 | if (dbcs_screenfont) |
2787 | last_run_dirty = dirty_run; |
2788 | dirty_run = dirty_line; |
2789 | } |
2790 | |
2791 | if ((tchar | tattr) != disptext[idx]) |
2792 | dirty_run = TRUE; |
2793 | ch[ccount++] = (char) tchar; |
2794 | disptext[idx] = tchar | tattr; |
2795 | |
2796 | /* If it's a wide char step along to the next one. */ |
2797 | if (tattr & ATTR_WIDE) { |
2798 | if (++j < cols) { |
2799 | idx++; |
2800 | d++; |
2801 | /* Cursor is here ? Ouch! */ |
2802 | if (i == our_curs_y && j == curs.x) { |
2803 | cursor_background = *d; |
2804 | dispcurs = disptext + idx; |
2805 | } |
2806 | if (disptext[idx] != *d) |
2807 | dirty_run = TRUE; |
2808 | disptext[idx] = *d; |
374330e2 |
2809 | } |
374330e2 |
2810 | } |
4eeb7d09 |
2811 | } |
2812 | if (dirty_run && ccount > 0) { |
2813 | do_text(ctx, start, i, ch, ccount, attr, lattr); |
2814 | updated_line = 1; |
2815 | } |
2816 | |
2817 | /* Cursor on this line ? (and changed) */ |
2818 | if (i == our_curs_y && (curstype != cursor || updated_line)) { |
2819 | ch[0] = (char) (cursor_background & CHAR_MASK); |
2820 | attr = (cursor_background & ATTR_MASK) | cursor; |
2821 | do_cursor(ctx, curs.x, i, ch, 1, attr, lattr); |
2822 | curstype = cursor; |
374330e2 |
2823 | } |
2824 | } |
2825 | } |
2826 | |
2827 | /* |
e14a5a13 |
2828 | * Flick the switch that says if blinking things should be shown or hidden. |
2829 | */ |
2830 | |
32874aea |
2831 | void term_blink(int flg) |
2832 | { |
22dcdc3b |
2833 | static long last_blink = 0; |
2834 | static long last_tblink = 0; |
e14a5a13 |
2835 | long now, blink_diff; |
2836 | |
c9def1b8 |
2837 | now = GetTickCount(); |
32874aea |
2838 | blink_diff = now - last_tblink; |
c9def1b8 |
2839 | |
2840 | /* Make sure the text blinks no more than 2Hz */ |
32874aea |
2841 | if (blink_diff < 0 || blink_diff > 450) { |
2842 | last_tblink = now; |
c9def1b8 |
2843 | tblinker = !tblinker; |
2844 | } |
2845 | |
e14a5a13 |
2846 | if (flg) { |
32874aea |
2847 | blinker = 1; |
2848 | last_blink = now; |
e14a5a13 |
2849 | return; |
32874aea |
2850 | } |
e14a5a13 |
2851 | |
32874aea |
2852 | blink_diff = now - last_blink; |
e14a5a13 |
2853 | |
22dcdc3b |
2854 | /* Make sure the cursor blinks no faster than GetCaretBlinkTime() */ |
32874aea |
2855 | if (blink_diff >= 0 && blink_diff < (long) GetCaretBlinkTime()) |
2856 | return; |
2857 | |
e14a5a13 |
2858 | last_blink = now; |
2859 | blinker = !blinker; |
2860 | } |
2861 | |
2862 | /* |
374330e2 |
2863 | * Invalidate the whole screen so it will be repainted in full. |
2864 | */ |
32874aea |
2865 | void term_invalidate(void) |
2866 | { |
374330e2 |
2867 | int i; |
2868 | |
32874aea |
2869 | for (i = 0; i < rows * (cols + 1); i++) |
374330e2 |
2870 | disptext[i] = ATTR_INVALID; |
2871 | } |
2872 | |
2873 | /* |
2874 | * Paint the window in response to a WM_PAINT message. |
2875 | */ |
5a73255e |
2876 | void term_paint(Context ctx, int left, int top, int right, int bottom) |
32874aea |
2877 | { |
5a73255e |
2878 | int i, j; |
2879 | if (left < 0) left = 0; |
2880 | if (top < 0) top = 0; |
2881 | if (right >= cols) right = cols-1; |
2882 | if (bottom >= rows) bottom = rows-1; |
374330e2 |
2883 | |
32874aea |
2884 | for (i = top; i <= bottom && i < rows; i++) { |
2885 | if ((disptext[i * (cols + 1) + cols] & LATTR_MODE) == LATTR_NORM) |
2886 | for (j = left; j <= right && j < cols; j++) |
2887 | disptext[i * (cols + 1) + j] = ATTR_INVALID; |
c9def1b8 |
2888 | else |
32874aea |
2889 | for (j = left / 2; j <= right / 2 + 1 && j < cols; j++) |
2890 | disptext[i * (cols + 1) + j] = ATTR_INVALID; |
c9def1b8 |
2891 | } |
374330e2 |
2892 | |
e14a5a13 |
2893 | /* This should happen soon enough, also for some reason it sometimes |
2894 | * fails to actually do anything when re-sizing ... painting the wrong |
2895 | * window perhaps ? |
32874aea |
2896 | */ |
5a73255e |
2897 | if (alt_pressed) |
2898 | do_paint (ctx, FALSE); |
374330e2 |
2899 | } |
2900 | |
2901 | /* |
2902 | * Attempt to scroll the scrollback. The second parameter gives the |
2903 | * position we want to scroll to; the first is +1 to denote that |
2904 | * this position is relative to the beginning of the scrollback, -1 |
2905 | * to denote it is relative to the end, and 0 to denote that it is |
2906 | * relative to the current position. |
2907 | */ |
32874aea |
2908 | void term_scroll(int rel, int where) |
2909 | { |
4facdf84 |
2910 | int sbtop = -count234(scrollback); |
374330e2 |
2911 | |
32874aea |
2912 | disptop = (rel < 0 ? 0 : rel > 0 ? sbtop : disptop) + where; |
374330e2 |
2913 | if (disptop < sbtop) |
2914 | disptop = sbtop; |
4facdf84 |
2915 | if (disptop > 0) |
2916 | disptop = 0; |
374330e2 |
2917 | update_sbar(); |
2918 | term_update(); |
2919 | } |
2920 | |
6908fed7 |
2921 | static void clipme(pos top, pos bottom, int rect) |
32874aea |
2922 | { |
4eeb7d09 |
2923 | wchar_t *workbuf; |
2924 | wchar_t *wbptr; /* where next char goes within workbuf */ |
6908fed7 |
2925 | int old_top_x; |
32874aea |
2926 | int wblen = 0; /* workbuf len */ |
2927 | int buflen; /* amount of memory allocated to workbuf */ |
bc1235d4 |
2928 | |
4eeb7d09 |
2929 | buflen = 5120; /* Default size */ |
2930 | workbuf = smalloc(buflen * sizeof(wchar_t)); |
2931 | wbptr = workbuf; /* start filling here */ |
6908fed7 |
2932 | old_top_x = top.x; /* needed for rect==1 */ |
bc1235d4 |
2933 | |
4facdf84 |
2934 | while (poslt(top, bottom)) { |
bc1235d4 |
2935 | int nl = FALSE; |
4facdf84 |
2936 | unsigned long *ldata = lineptr(top.y); |
260f3dec |
2937 | pos nlpos; |
4facdf84 |
2938 | |
6908fed7 |
2939 | /* |
2940 | * nlpos will point at the maximum position on this line we |
2941 | * should copy up to. So we start it at the end of the |
2942 | * line... |
2943 | */ |
4facdf84 |
2944 | nlpos.y = top.y; |
2945 | nlpos.x = cols; |
bc1235d4 |
2946 | |
6908fed7 |
2947 | /* |
2948 | * ... move it backwards if there's unused space at the end |
2949 | * of the line (and also set `nl' if this is the case, |
2950 | * because in normal selection mode this means we need a |
2951 | * newline at the end)... |
2952 | */ |
4eeb7d09 |
2953 | if (!(ldata[cols] & LATTR_WRAPPED)) { |
2954 | while (((ldata[nlpos.x - 1] & 0xFF) == 0x20 || |
2955 | (DIRECT_CHAR(ldata[nlpos.x - 1]) && |
2956 | (ldata[nlpos.x - 1] & CHAR_MASK) == 0x20)) |
2957 | && poslt(top, nlpos)) |
2958 | decpos(nlpos); |
4facdf84 |
2959 | if (poslt(nlpos, bottom)) |
bc1235d4 |
2960 | nl = TRUE; |
2961 | } |
6908fed7 |
2962 | |
2963 | /* |
2964 | * ... and then clip it to the terminal x coordinate if |
2965 | * we're doing rectangular selection. (In this case we |
2966 | * still did the above, so that copying e.g. the right-hand |
2967 | * column from a table doesn't fill with spaces on the |
2968 | * right.) |
2969 | */ |
2970 | if (rect) { |
2971 | if (nlpos.x > bottom.x) |
2972 | nlpos.x = bottom.x; |
2973 | nl = (top.y < bottom.y); |
2974 | } |
2975 | |
4facdf84 |
2976 | while (poslt(top, bottom) && poslt(top, nlpos)) { |
4eeb7d09 |
2977 | #if 0 |
2978 | char cbuf[16], *p; |
2979 | sprintf(cbuf, "<U+%04x>", (ldata[top.x] & 0xFFFF)); |
2980 | #else |
2981 | wchar_t cbuf[16], *p; |
2982 | int uc = (ldata[top.x] & 0xFFFF); |
2983 | int set, c; |
2984 | |
2985 | if (uc == UCSWIDE) { |
2986 | top.x++; |
2987 | continue; |
2988 | } |
2989 | |
2990 | switch (uc & CSET_MASK) { |
2991 | case ATTR_LINEDRW: |
2992 | if (!cfg.rawcnp) { |
2993 | uc = unitab_xterm[uc & 0xFF]; |
2994 | break; |
32874aea |
2995 | } |
4eeb7d09 |
2996 | case ATTR_ASCII: |
2997 | uc = unitab_line[uc & 0xFF]; |
2998 | break; |
d3cb5465 |
2999 | case ATTR_SCOACS: |
3000 | uc = unitab_scoacs[uc&0xFF]; |
3001 | break; |
d3a22f79 |
3002 | } |
4eeb7d09 |
3003 | switch (uc & CSET_MASK) { |
3004 | case ATTR_ACP: |
3005 | uc = unitab_font[uc & 0xFF]; |
3006 | break; |
3007 | case ATTR_OEMCP: |
3008 | uc = unitab_oemcp[uc & 0xFF]; |
3009 | break; |
3010 | } |
3011 | |
3012 | set = (uc & CSET_MASK); |
3013 | c = (uc & CHAR_MASK); |
3014 | cbuf[0] = uc; |
3015 | cbuf[1] = 0; |
3016 | |
3017 | if (DIRECT_FONT(uc)) { |
3018 | if (c >= ' ' && c != 0x7F) { |
3019 | unsigned char buf[4]; |
3020 | WCHAR wbuf[4]; |
3021 | int rv; |
3022 | if (IsDBCSLeadByteEx(font_codepage, (BYTE) c)) { |
3023 | buf[0] = c; |
3024 | buf[1] = (unsigned char) ldata[top.x + 1]; |
3025 | rv = MultiByteToWideChar(font_codepage, |
3026 | 0, buf, 2, wbuf, 4); |
3027 | top.x++; |
3028 | } else { |
3029 | buf[0] = c; |
3030 | rv = MultiByteToWideChar(font_codepage, |
3031 | 0, buf, 1, wbuf, 4); |
3032 | } |
bc1235d4 |
3033 | |
4eeb7d09 |
3034 | if (rv > 0) { |
3035 | memcpy(cbuf, wbuf, rv * sizeof(wchar_t)); |
3036 | cbuf[rv] = 0; |
d3a22f79 |
3037 | } |
d3a22f79 |
3038 | } |
4eeb7d09 |
3039 | } |
3040 | #endif |
3041 | |
3042 | for (p = cbuf; *p; p++) { |
3043 | /* Enough overhead for trailing NL and nul */ |
3044 | if (wblen >= buflen - 16) { |
3045 | workbuf = |
3046 | srealloc(workbuf, |
3047 | sizeof(wchar_t) * (buflen += 100)); |
3048 | wbptr = workbuf + wblen; |
3049 | } |
3050 | wblen++; |
3051 | *wbptr++ = *p; |
bc1235d4 |
3052 | } |
4facdf84 |
3053 | top.x++; |
bc1235d4 |
3054 | } |
3055 | if (nl) { |
3056 | int i; |
4eeb7d09 |
3057 | for (i = 0; i < sel_nl_sz; i++) { |
32874aea |
3058 | wblen++; |
bc1235d4 |
3059 | *wbptr++ = sel_nl[i]; |
3060 | } |
3061 | } |
4facdf84 |
3062 | top.y++; |
6908fed7 |
3063 | top.x = rect ? old_top_x : 0; |
bc1235d4 |
3064 | } |
4eeb7d09 |
3065 | wblen++; |
3066 | *wbptr++ = 0; |
32874aea |
3067 | write_clip(workbuf, wblen, FALSE); /* transfer to clipboard */ |
3068 | if (buflen > 0) /* indicates we allocated this buffer */ |
bc1235d4 |
3069 | sfree(workbuf); |
bc1235d4 |
3070 | } |
4eeb7d09 |
3071 | |
32874aea |
3072 | void term_copyall(void) |
3073 | { |
4facdf84 |
3074 | pos top; |
3075 | top.y = -count234(scrollback); |
3076 | top.x = 0; |
6908fed7 |
3077 | clipme(top, curs, 0); |
4eeb7d09 |
3078 | } |
3079 | |
3080 | /* |
3081 | * The wordness array is mainly for deciding the disposition of the US-ASCII |
3082 | * characters. |
3083 | */ |
3084 | static int wordtype(int uc) |
3085 | { |
3086 | static struct { |
3087 | int start, end, ctype; |
3088 | } *wptr, ucs_words[] = { |
3089 | { |
3090 | 128, 160, 0}, { |
3091 | 161, 191, 1}, { |
3092 | 215, 215, 1}, { |
3093 | 247, 247, 1}, { |
3094 | 0x037e, 0x037e, 1}, /* Greek question mark */ |
3095 | { |
3096 | 0x0387, 0x0387, 1}, /* Greek ano teleia */ |
3097 | { |
3098 | 0x055a, 0x055f, 1}, /* Armenian punctuation */ |
3099 | { |
3100 | 0x0589, 0x0589, 1}, /* Armenian full stop */ |
3101 | { |
3102 | 0x0700, 0x070d, 1}, /* Syriac punctuation */ |
3103 | { |
3104 | 0x104a, 0x104f, 1}, /* Myanmar punctuation */ |
3105 | { |
3106 | 0x10fb, 0x10fb, 1}, /* Georgian punctuation */ |
3107 | { |
3108 | 0x1361, 0x1368, 1}, /* Ethiopic punctuation */ |
3109 | { |
3110 | 0x166d, 0x166e, 1}, /* Canadian Syl. punctuation */ |
3111 | { |
3112 | 0x17d4, 0x17dc, 1}, /* Khmer punctuation */ |
3113 | { |
3114 | 0x1800, 0x180a, 1}, /* Mongolian punctuation */ |
3115 | { |
3116 | 0x2000, 0x200a, 0}, /* Various spaces */ |
3117 | { |
3118 | 0x2070, 0x207f, 2}, /* superscript */ |
3119 | { |
3120 | 0x2080, 0x208f, 2}, /* subscript */ |
3121 | { |
3122 | 0x200b, 0x27ff, 1}, /* punctuation and symbols */ |
3123 | { |
3124 | 0x3000, 0x3000, 0}, /* ideographic space */ |
3125 | { |
3126 | 0x3001, 0x3020, 1}, /* ideographic punctuation */ |
3127 | { |
3128 | 0x303f, 0x309f, 3}, /* Hiragana */ |
3129 | { |
3130 | 0x30a0, 0x30ff, 3}, /* Katakana */ |
3131 | { |
3132 | 0x3300, 0x9fff, 3}, /* CJK Ideographs */ |
3133 | { |
3134 | 0xac00, 0xd7a3, 3}, /* Hangul Syllables */ |
3135 | { |
3136 | 0xf900, 0xfaff, 3}, /* CJK Ideographs */ |
3137 | { |
3138 | 0xfe30, 0xfe6b, 1}, /* punctuation forms */ |
3139 | { |
3140 | 0xff00, 0xff0f, 1}, /* half/fullwidth ASCII */ |
3141 | { |
3142 | 0xff1a, 0xff20, 1}, /* half/fullwidth ASCII */ |
3143 | { |
3144 | 0xff3b, 0xff40, 1}, /* half/fullwidth ASCII */ |
3145 | { |
3146 | 0xff5b, 0xff64, 1}, /* half/fullwidth ASCII */ |
3147 | { |
3148 | 0xfff0, 0xffff, 0}, /* half/fullwidth ASCII */ |
3149 | { |
3150 | 0, 0, 0} |
3151 | }; |
3152 | |
3153 | uc &= (CSET_MASK | CHAR_MASK); |
3154 | |
3155 | switch (uc & CSET_MASK) { |
3156 | case ATTR_LINEDRW: |
3157 | uc = unitab_xterm[uc & 0xFF]; |
3158 | break; |
3159 | case ATTR_ASCII: |
3160 | uc = unitab_line[uc & 0xFF]; |
3161 | break; |
d3cb5465 |
3162 | case ATTR_SCOACS: |
3163 | uc = unitab_scoacs[uc&0xFF]; |
3164 | break; |
4eeb7d09 |
3165 | } |
3166 | switch (uc & CSET_MASK) { |
3167 | case ATTR_ACP: |
3168 | uc = unitab_font[uc & 0xFF]; |
3169 | break; |
3170 | case ATTR_OEMCP: |
3171 | uc = unitab_oemcp[uc & 0xFF]; |
3172 | break; |
3173 | } |
3174 | |
5a73255e |
3175 | /* For DBCS font's I can't do anything usefull. Even this will sometimes |
3176 | * fail as there's such a thing as a double width space. :-( |
3177 | */ |
3178 | if (dbcs_screenfont && font_codepage == line_codepage) |
3179 | return (uc != ' '); |
3180 | |
4eeb7d09 |
3181 | if (uc < 0x80) |
3182 | return wordness[uc]; |
3183 | |
3184 | for (wptr = ucs_words; wptr->start; wptr++) { |
3185 | if (uc >= wptr->start && uc <= wptr->end) |
3186 | return wptr->ctype; |
3187 | } |
3188 | |
3189 | return 2; |
bc1235d4 |
3190 | } |
3191 | |
374330e2 |
3192 | /* |
3193 | * Spread the selection outwards according to the selection mode. |
3194 | */ |
32874aea |
3195 | static pos sel_spread_half(pos p, int dir) |
3196 | { |
4facdf84 |
3197 | unsigned long *ldata; |
374330e2 |
3198 | short wvalue; |
50ab4088 |
3199 | int topy = -count234(scrollback); |
374330e2 |
3200 | |
4facdf84 |
3201 | ldata = lineptr(p.y); |
374330e2 |
3202 | |
3203 | switch (selmode) { |
3204 | case SM_CHAR: |
3205 | /* |
3206 | * In this mode, every character is a separate unit, except |
3207 | * for runs of spaces at the end of a non-wrapping line. |
3208 | */ |
4eeb7d09 |
3209 | if (!(ldata[cols] & LATTR_WRAPPED)) { |
32874aea |
3210 | unsigned long *q = ldata + cols; |
4facdf84 |
3211 | while (q > ldata && (q[-1] & CHAR_MASK) == 0x20) |
374330e2 |
3212 | q--; |
32874aea |
3213 | if (q == ldata + cols) |
374330e2 |
3214 | q--; |
32874aea |
3215 | if (p.x >= q - ldata) |
3216 | p.x = (dir == -1 ? q - ldata : cols - 1); |
374330e2 |
3217 | } |
3218 | break; |
3219 | case SM_WORD: |
3220 | /* |
3221 | * In this mode, the units are maximal runs of characters |
3222 | * whose `wordness' has the same value. |
3223 | */ |
4eeb7d09 |
3224 | wvalue = wordtype(ldata[p.x]); |
374330e2 |
3225 | if (dir == +1) { |
50ab4088 |
3226 | while (1) { |
3227 | if (p.x < cols-1) { |
3228 | if (wordtype(ldata[p.x + 1]) == wvalue) |
3229 | p.x++; |
3230 | else |
3231 | break; |
3232 | } else { |
3233 | if (ldata[cols] & LATTR_WRAPPED) { |
3234 | unsigned long *ldata2; |
3235 | ldata2 = lineptr(p.y+1); |
3236 | if (wordtype(ldata2[0]) == wvalue) { |
3237 | p.x = 0; |
3238 | p.y++; |
3239 | ldata = ldata2; |
3240 | } else |
3241 | break; |
3242 | } else |
3243 | break; |
3244 | } |
3245 | } |
374330e2 |
3246 | } else { |
50ab4088 |
3247 | while (1) { |
3248 | if (p.x > 0) { |
3249 | if (wordtype(ldata[p.x - 1]) == wvalue) |
3250 | p.x--; |
3251 | else |
3252 | break; |
3253 | } else { |
3254 | unsigned long *ldata2; |
3255 | if (p.y <= topy) |
3256 | break; |
3257 | ldata2 = lineptr(p.y-1); |
3258 | if ((ldata2[cols] & LATTR_WRAPPED) && |
3259 | wordtype(ldata2[cols-1]) == wvalue) { |
3260 | p.x = cols-1; |
3261 | p.y--; |
3262 | ldata = ldata2; |
3263 | } else |
3264 | break; |
3265 | } |
3266 | } |
374330e2 |
3267 | } |
3268 | break; |
3269 | case SM_LINE: |
3270 | /* |
3271 | * In this mode, every line is a unit. |
3272 | */ |
4facdf84 |
3273 | p.x = (dir == -1 ? 0 : cols - 1); |
374330e2 |
3274 | break; |
3275 | } |
3276 | return p; |
3277 | } |
3278 | |
32874aea |
3279 | static void sel_spread(void) |
3280 | { |
6908fed7 |
3281 | if (seltype == LEXICOGRAPHIC) { |
3282 | selstart = sel_spread_half(selstart, -1); |
3283 | decpos(selend); |
3284 | selend = sel_spread_half(selend, +1); |
3285 | incpos(selend); |
3286 | } |
374330e2 |
3287 | } |
3288 | |
568dd02f |
3289 | void term_do_paste(void) |
3290 | { |
3291 | wchar_t *data; |
3292 | int len; |
3293 | |
3294 | get_clip(&data, &len); |
3295 | if (data) { |
3296 | wchar_t *p, *q; |
3297 | |
3298 | if (paste_buffer) |
3299 | sfree(paste_buffer); |
3300 | paste_pos = paste_hold = paste_len = 0; |
3301 | paste_buffer = smalloc(len * sizeof(wchar_t)); |
3302 | |
3303 | p = q = data; |
3304 | while (p < data + len) { |
3305 | while (p < data + len && |
3306 | !(p <= data + len - sel_nl_sz && |
3307 | !memcmp(p, sel_nl, sizeof(sel_nl)))) |
3308 | p++; |
3309 | |
3310 | { |
3311 | int i; |
3312 | for (i = 0; i < p - q; i++) { |
3313 | paste_buffer[paste_len++] = q[i]; |
3314 | } |
3315 | } |
3316 | |
3317 | if (p <= data + len - sel_nl_sz && |
3318 | !memcmp(p, sel_nl, sizeof(sel_nl))) { |
3319 | paste_buffer[paste_len++] = '\r'; |
3320 | p += sel_nl_sz; |
3321 | } |
3322 | q = p; |
3323 | } |
3324 | |
3325 | /* Assume a small paste will be OK in one go. */ |
3326 | if (paste_len < 256) { |
760e88b2 |
3327 | luni_send(paste_buffer, paste_len, 0); |
568dd02f |
3328 | if (paste_buffer) |
3329 | sfree(paste_buffer); |
3330 | paste_buffer = 0; |
3331 | paste_pos = paste_hold = paste_len = 0; |
3332 | } |
3333 | } |
3334 | get_clip(NULL, NULL); |
3335 | } |
3336 | |
32874aea |
3337 | void term_mouse(Mouse_Button b, Mouse_Action a, int x, int y, |
6908fed7 |
3338 | int shift, int ctrl, int alt) |
32874aea |
3339 | { |
4facdf84 |
3340 | pos selpoint; |
3341 | unsigned long *ldata; |
fff61f25 |
3342 | int raw_mouse = xterm_mouse && !(cfg.mouse_override && shift); |
6908fed7 |
3343 | int default_seltype; |
32874aea |
3344 | |
fff61f25 |
3345 | if (y < 0) { |
32874aea |
3346 | y = 0; |
fff61f25 |
3347 | if (a == MA_DRAG && !raw_mouse) |
3348 | term_scroll(0, -1); |
3349 | } |
3350 | if (y >= rows) { |
32874aea |
3351 | y = rows - 1; |
fff61f25 |
3352 | if (a == MA_DRAG && !raw_mouse) |
3353 | term_scroll(0, +1); |
3354 | } |
32874aea |
3355 | if (x < 0) { |
3356 | if (y > 0) { |
3357 | x = cols - 1; |
3358 | y--; |
3359 | } else |
3360 | x = 0; |
094ed2a6 |
3361 | } |
32874aea |
3362 | if (x >= cols) |
3363 | x = cols - 1; |
37508af4 |
3364 | |
4facdf84 |
3365 | selpoint.y = y + disptop; |
3366 | selpoint.x = x; |
3367 | ldata = lineptr(selpoint.y); |
32874aea |
3368 | if ((ldata[cols] & LATTR_MODE) != LATTR_NORM) |
4facdf84 |
3369 | selpoint.x /= 2; |
374330e2 |
3370 | |
fff61f25 |
3371 | if (raw_mouse) { |
01c034ad |
3372 | int encstate = 0, r, c; |
3373 | char abuf[16]; |
3374 | static int is_down = 0; |
3375 | |
32874aea |
3376 | switch (b) { |
01c034ad |
3377 | case MBT_LEFT: |
32874aea |
3378 | encstate = 0x20; /* left button down */ |
01c034ad |
3379 | break; |
3380 | case MBT_MIDDLE: |
3381 | encstate = 0x21; |
3382 | break; |
3383 | case MBT_RIGHT: |
3384 | encstate = 0x22; |
3385 | break; |
3386 | case MBT_WHEEL_UP: |
3387 | encstate = 0x60; |
3388 | break; |
3389 | case MBT_WHEEL_DOWN: |
3390 | encstate = 0x61; |
3391 | break; |
2d466ffd |
3392 | default: break; /* placate gcc warning about enum use */ |
01c034ad |
3393 | } |
32874aea |
3394 | switch (a) { |
01c034ad |
3395 | case MA_DRAG: |
3396 | if (xterm_mouse == 1) |
3397 | return; |
3398 | encstate += 0x20; |
3399 | break; |
3400 | case MA_RELEASE: |
3401 | encstate = 0x23; |
3402 | is_down = 0; |
3403 | break; |
3404 | case MA_CLICK: |
3405 | if (is_down == b) |
3406 | return; |
3407 | is_down = b; |
3408 | break; |
2d466ffd |
3409 | default: break; /* placate gcc warning about enum use */ |
01c034ad |
3410 | } |
3411 | if (shift) |
3412 | encstate += 0x04; |
3413 | if (ctrl) |
3414 | encstate += 0x10; |
3415 | r = y + 33; |
3416 | c = x + 33; |
3417 | |
3418 | sprintf(abuf, "\033[M%c%c%c", encstate, c, r); |
760e88b2 |
3419 | ldisc_send(abuf, 6, 0); |
01c034ad |
3420 | return; |
3421 | } |
3422 | |
3423 | b = translate_button(b); |
3424 | |
6908fed7 |
3425 | /* |
3426 | * Set the selection type (rectangular or normal) at the start |
3427 | * of a selection attempt, from the state of Alt. |
3428 | */ |
3429 | if (!alt ^ !cfg.rect_select) |
3430 | default_seltype = RECTANGULAR; |
3431 | else |
3432 | default_seltype = LEXICOGRAPHIC; |
3433 | |
3434 | if (selstate == NO_SELECTION) { |
3435 | seltype = default_seltype; |
3436 | } |
3437 | |
01c034ad |
3438 | if (b == MBT_SELECT && a == MA_CLICK) { |
374330e2 |
3439 | deselect(); |
3440 | selstate = ABOUT_TO; |
6908fed7 |
3441 | seltype = default_seltype; |
374330e2 |
3442 | selanchor = selpoint; |
3443 | selmode = SM_CHAR; |
01c034ad |
3444 | } else if (b == MBT_SELECT && (a == MA_2CLK || a == MA_3CLK)) { |
374330e2 |
3445 | deselect(); |
3446 | selmode = (a == MA_2CLK ? SM_WORD : SM_LINE); |
3447 | selstate = DRAGGING; |
3448 | selstart = selanchor = selpoint; |
4facdf84 |
3449 | selend = selstart; |
3450 | incpos(selend); |
374330e2 |
3451 | sel_spread(); |
01c034ad |
3452 | } else if ((b == MBT_SELECT && a == MA_DRAG) || |
3453 | (b == MBT_EXTEND && a != MA_RELEASE)) { |
4facdf84 |
3454 | if (selstate == ABOUT_TO && poseq(selanchor, selpoint)) |
374330e2 |
3455 | return; |
01c034ad |
3456 | if (b == MBT_EXTEND && a != MA_DRAG && selstate == SELECTED) { |
6908fed7 |
3457 | if (seltype == LEXICOGRAPHIC) { |
3458 | /* |
3459 | * For normal selection, we extend by moving |
3460 | * whichever end of the current selection is closer |
3461 | * to the mouse. |
3462 | */ |
3463 | if (posdiff(selpoint, selstart) < |
3464 | posdiff(selend, selstart) / 2) { |
3465 | selanchor = selend; |
3466 | decpos(selanchor); |
3467 | } else { |
3468 | selanchor = selstart; |
3469 | } |
4facdf84 |
3470 | } else { |
6908fed7 |
3471 | /* |
3472 | * For rectangular selection, we have a choice of |
3473 | * _four_ places to put selanchor and selpoint: the |
3474 | * four corners of the selection. |
3475 | */ |
3476 | if (2*selpoint.x < selstart.x + selend.x) |
3477 | selanchor.x = selend.x-1; |
3478 | else |
3479 | selanchor.x = selstart.x; |
3480 | |
3481 | if (2*selpoint.y < selstart.y + selend.y) |
3482 | selanchor.y = selend.y; |
3483 | else |
3484 | selanchor.y = selstart.y; |
4facdf84 |
3485 | } |
374330e2 |
3486 | selstate = DRAGGING; |
3487 | } |
3488 | if (selstate != ABOUT_TO && selstate != DRAGGING) |
3489 | selanchor = selpoint; |
3490 | selstate = DRAGGING; |
6908fed7 |
3491 | if (seltype == LEXICOGRAPHIC) { |
3492 | /* |
3493 | * For normal selection, we set (selstart,selend) to |
3494 | * (selpoint,selanchor) in some order. |
3495 | */ |
3496 | if (poslt(selpoint, selanchor)) { |
3497 | selstart = selpoint; |
3498 | selend = selanchor; |
3499 | incpos(selend); |
3500 | } else { |
3501 | selstart = selanchor; |
3502 | selend = selpoint; |
3503 | incpos(selend); |
3504 | } |
374330e2 |
3505 | } else { |
6908fed7 |
3506 | /* |
3507 | * For rectangular selection, we may need to |
3508 | * interchange x and y coordinates (if the user has |
3509 | * dragged in the -x and +y directions, or vice versa). |
3510 | */ |
3511 | selstart.x = min(selanchor.x, selpoint.x); |
3512 | selend.x = 1+max(selanchor.x, selpoint.x); |
3513 | selstart.y = min(selanchor.y, selpoint.y); |
3514 | selend.y = max(selanchor.y, selpoint.y); |
374330e2 |
3515 | } |
3516 | sel_spread(); |
01c034ad |
3517 | } else if ((b == MBT_SELECT || b == MBT_EXTEND) && a == MA_RELEASE) { |
374330e2 |
3518 | if (selstate == DRAGGING) { |
3519 | /* |
3520 | * We've completed a selection. We now transfer the |
3521 | * data to the clipboard. |
3522 | */ |
6908fed7 |
3523 | clipme(selstart, selend, (seltype == RECTANGULAR)); |
374330e2 |
3524 | selstate = SELECTED; |
3525 | } else |
3526 | selstate = NO_SELECTION; |
32874aea |
3527 | } else if (b == MBT_PASTE |
3528 | && (a == MA_CLICK || a == MA_2CLK || a == MA_3CLK)) { |
568dd02f |
3529 | term_do_paste(); |
374330e2 |
3530 | } |
3531 | |
3532 | term_update(); |
3533 | } |
3534 | |
32874aea |
3535 | void term_nopaste() |
3536 | { |
3537 | if (paste_len == 0) |
3538 | return; |
c9def1b8 |
3539 | sfree(paste_buffer); |
3540 | paste_buffer = 0; |
3541 | paste_len = 0; |
3542 | } |
3543 | |
32874aea |
3544 | void term_paste() |
3545 | { |
8df7a775 |
3546 | static long last_paste = 0; |
c9def1b8 |
3547 | long now, paste_diff; |
3548 | |
32874aea |
3549 | if (paste_len == 0) |
3550 | return; |
c9def1b8 |
3551 | |
3552 | /* Don't wait forever to paste */ |
32874aea |
3553 | if (paste_hold) { |
3554 | now = GetTickCount(); |
3555 | paste_diff = now - last_paste; |
3556 | if (paste_diff >= 0 && paste_diff < 450) |
c9def1b8 |
3557 | return; |
3558 | } |
3559 | paste_hold = 0; |
3560 | |
32874aea |
3561 | while (paste_pos < paste_len) { |
8df7a775 |
3562 | int n = 0; |
3563 | while (n + paste_pos < paste_len) { |
3564 | if (paste_buffer[paste_pos + n++] == '\r') |
3565 | break; |
3566 | } |
760e88b2 |
3567 | luni_send(paste_buffer + paste_pos, n, 0); |
8df7a775 |
3568 | paste_pos += n; |
c9def1b8 |
3569 | |
8df7a775 |
3570 | if (paste_pos < paste_len) { |
c9def1b8 |
3571 | paste_hold = 1; |
3572 | return; |
3573 | } |
3574 | } |
3575 | sfree(paste_buffer); |
3576 | paste_buffer = 0; |
3577 | paste_len = 0; |
3578 | } |
3579 | |
32874aea |
3580 | static void deselect(void) |
3581 | { |
374330e2 |
3582 | selstate = NO_SELECTION; |
4facdf84 |
3583 | selstart.x = selstart.y = selend.x = selend.y = 0; |
374330e2 |
3584 | } |
3585 | |
32874aea |
3586 | void term_deselect(void) |
3587 | { |
374330e2 |
3588 | deselect(); |
3589 | term_update(); |
3590 | } |
fe50e814 |
3591 | |
32874aea |
3592 | int term_ldisc(int option) |
3593 | { |
3594 | if (option == LD_ECHO) |
3595 | return term_echoing; |
3596 | if (option == LD_EDIT) |
3597 | return term_editing; |
0965bee0 |
3598 | return FALSE; |
3599 | } |
3600 | |
fe50e814 |
3601 | /* |
3602 | * from_backend(), to get data from the backend for the terminal. |
3603 | */ |
5471d09a |
3604 | int from_backend(int is_stderr, char *data, int len) |
32874aea |
3605 | { |
a748a096 |
3606 | bufchain_add(&inbuf, data, len); |
5471d09a |
3607 | |
3608 | /* |
a748a096 |
3609 | * term_out() always completely empties inbuf. Therefore, |
3610 | * there's no reason at all to return anything other than zero |
3611 | * from this function, because there _can't_ be a question of |
3612 | * the remote side needing to wait until term_out() has cleared |
3613 | * a backlog. |
3614 | * |
5471d09a |
3615 | * This is a slightly suboptimal way to deal with SSH2 - in |
3616 | * principle, the window mechanism would allow us to continue |
3617 | * to accept data on forwarded ports and X connections even |
3618 | * while the terminal processing was going slowly - but we |
3619 | * can't do the 100% right thing without moving the terminal |
3620 | * processing into a separate thread, and that might hurt |
3621 | * portability. So we manage stdout buffering the old SSH1 way: |
3622 | * if the terminal processing goes slowly, the whole SSH |
3623 | * connection stops accepting data until it's ready. |
a748a096 |
3624 | * |
5471d09a |
3625 | * In practice, I can't imagine this causing serious trouble. |
3626 | */ |
3627 | return 0; |
fe50e814 |
3628 | } |