374330e2 |
1 | #include <windows.h> |
2 | |
3 | #include <stdio.h> |
4 | #include <stdlib.h> |
49bad831 |
5 | #include <ctype.h> |
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6 | |
e1c8e0ed |
7 | #include <time.h> |
c83de303 |
8 | #include <assert.h> |
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9 | #include "putty.h" |
4facdf84 |
10 | #include "tree234.h" |
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11 | |
32874aea |
12 | #define CL_ANSIMIN 0x0001 /* Codes in all ANSI like terminals. */ |
13 | #define CL_VT100 0x0002 /* VT100 */ |
14 | #define CL_VT100AVO 0x0004 /* VT100 +AVO; 132x24 (not 132x14) & attrs */ |
15 | #define CL_VT102 0x0008 /* VT102 */ |
16 | #define CL_VT220 0x0010 /* VT220 */ |
17 | #define CL_VT320 0x0020 /* VT320 */ |
18 | #define CL_VT420 0x0040 /* VT420 */ |
19 | #define CL_VT510 0x0080 /* VT510, NB VT510 includes ANSI */ |
20 | #define CL_VT340TEXT 0x0100 /* VT340 extensions that appear in the VT420 */ |
21 | #define CL_SCOANSI 0x1000 /* SCOANSI not in ANSIMIN. */ |
22 | #define CL_ANSI 0x2000 /* ANSI ECMA-48 not in the VT100..VT420 */ |
23 | #define CL_OTHER 0x4000 /* Others, Xterm, linux, putty, dunno, etc */ |
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24 | |
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25 | #define TM_VT100 (CL_ANSIMIN|CL_VT100) |
26 | #define TM_VT100AVO (TM_VT100|CL_VT100AVO) |
27 | #define TM_VT102 (TM_VT100AVO|CL_VT102) |
28 | #define TM_VT220 (TM_VT102|CL_VT220) |
29 | #define TM_VTXXX (TM_VT220|CL_VT340TEXT|CL_VT510|CL_VT420|CL_VT320) |
30 | #define TM_SCOANSI (CL_ANSIMIN|CL_SCOANSI) |
31 | |
32 | #define TM_PUTTY (0xFFFF) |
e14a5a13 |
33 | |
34 | #define compatibility(x) \ |
35 | if ( ((CL_##x)&compatibility_level) == 0 ) { \ |
36 | termstate=TOPLEVEL; \ |
37 | break; \ |
38 | } |
c9def1b8 |
39 | #define compatibility2(x,y) \ |
40 | if ( ((CL_##x|CL_##y)&compatibility_level) == 0 ) { \ |
41 | termstate=TOPLEVEL; \ |
42 | break; \ |
43 | } |
e14a5a13 |
44 | |
45 | #define has_compat(x) ( ((CL_##x)&compatibility_level) != 0 ) |
46 | |
47 | static int compatibility_level = TM_PUTTY; |
48 | |
4facdf84 |
49 | static tree234 *scrollback; /* lines scrolled off top of screen */ |
50 | static tree234 *screen; /* lines on primary screen */ |
51 | static tree234 *alt_screen; /* lines on alternate screen */ |
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52 | static int disptop; /* distance scrolled back (0 or -ve) */ |
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53 | |
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54 | static unsigned long *cpos; /* cursor position (convenience) */ |
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55 | |
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56 | static unsigned long *disptext; /* buffer of text on real screen */ |
57 | static unsigned long *wanttext; /* buffer of text we want on screen */ |
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58 | |
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59 | #define VBELL_TIMEOUT 100 /* millisecond len of visual bell */ |
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60 | |
61 | struct beeptime { |
62 | struct beeptime *next; |
63 | long ticks; |
64 | }; |
65 | static struct beeptime *beephead, *beeptail; |
66 | int nbeeps; |
67 | int beep_overloaded; |
68 | long lastbeep; |
69 | |
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70 | static unsigned char *selspace; /* buffer for building selections in */ |
71 | |
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72 | #define TSIZE (sizeof(unsigned long)) |
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73 | #define fix_cpos do { cpos = lineptr(curs.y) + curs.x; } while(0) |
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74 | |
75 | static unsigned long curr_attr, save_attr; |
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76 | static unsigned long erase_char = ERASE_CHAR; |
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77 | |
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78 | typedef struct { |
79 | int y, x; |
80 | } pos; |
81 | #define poslt(p1,p2) ( (p1).y < (p2).y || ( (p1).y == (p2).y && (p1).x < (p2).x ) ) |
82 | #define posle(p1,p2) ( (p1).y < (p2).y || ( (p1).y == (p2).y && (p1).x <= (p2).x ) ) |
83 | #define poseq(p1,p2) ( (p1).y == (p2).y && (p1).x == (p2).x ) |
84 | #define posdiff(p1,p2) ( ((p2).y - (p1).y) * (cols+1) + (p2).x - (p1).x ) |
85 | #define incpos(p) ( (p).x == cols ? ((p).x = 0, (p).y++, 1) : ((p).x++, 0) ) |
86 | #define decpos(p) ( (p).x == 0 ? ((p).x = cols, (p).y--, 1) : ((p).x--, 0) ) |
87 | |
88 | static pos curs; /* cursor */ |
89 | static pos savecurs; /* saved cursor position */ |
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90 | static int marg_t, marg_b; /* scroll margins */ |
91 | static int dec_om; /* DEC origin mode flag */ |
92 | static int wrap, wrapnext; /* wrap flags */ |
93 | static int insert; /* insert-mode flag */ |
94 | static int cset; /* 0 or 1: which char set */ |
95 | static int save_cset, save_csattr; /* saved with cursor position */ |
96 | static int rvideo; /* global reverse video flag */ |
c83de303 |
97 | static int rvbell_timeout; /* for ESC[?5hESC[?5l vbell */ |
e14a5a13 |
98 | static int cursor_on; /* cursor enabled flag */ |
99 | static int reset_132; /* Flag ESC c resets to 80 cols */ |
100 | static int use_bce; /* Use Background coloured erase */ |
101 | static int blinker; /* When blinking is the cursor on ? */ |
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102 | static int tblinker; /* When the blinking text is on */ |
103 | static int blink_is_real; /* Actually blink blinking text */ |
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104 | static int term_echoing; /* Does terminal want local echo? */ |
105 | static int term_editing; /* Does terminal want local edit? */ |
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106 | |
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107 | static int xterm_mouse; /* send mouse messages to app */ |
01c034ad |
108 | |
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109 | static unsigned long cset_attr[2]; |
110 | |
111 | /* |
112 | * Saved settings on the alternate screen. |
113 | */ |
114 | static int alt_x, alt_y, alt_om, alt_wrap, alt_wnext, alt_ins, alt_cset; |
115 | static int alt_t, alt_b; |
116 | static int alt_which; |
117 | |
118 | #define ARGS_MAX 32 /* max # of esc sequence arguments */ |
064916ea |
119 | #define ARG_DEFAULT 0 /* if an arg isn't specified */ |
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120 | #define def(a,d) ( (a) == ARG_DEFAULT ? (d) : (a) ) |
121 | static int esc_args[ARGS_MAX]; |
122 | static int esc_nargs; |
123 | static int esc_query; |
8b811b12 |
124 | #define ANSI(x,y) ((x)+((y)<<8)) |
125 | #define ANSI_QUE(x) ANSI(x,TRUE) |
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126 | |
127 | #define OSC_STR_MAX 2048 |
128 | static int osc_strlen; |
32874aea |
129 | static char osc_string[OSC_STR_MAX + 1]; |
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130 | static int osc_w; |
131 | |
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132 | static char id_string[1024] = "\033[?6c"; |
133 | |
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134 | static unsigned char *tabs; |
135 | |
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136 | static enum { |
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137 | TOPLEVEL, |
138 | SEEN_ESC, |
139 | SEEN_CSI, |
140 | SEEN_OSC, |
141 | SEEN_OSC_W, |
142 | |
143 | DO_CTRLS, |
144 | |
145 | IGNORE_NEXT, |
146 | SET_GL, SET_GR, |
147 | SEEN_OSC_P, |
148 | OSC_STRING, OSC_MAYBE_ST, |
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149 | SEEN_ESCHASH, |
150 | VT52_ESC, |
151 | VT52_Y1, |
152 | VT52_Y2 |
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153 | } termstate; |
154 | |
155 | static enum { |
156 | NO_SELECTION, ABOUT_TO, DRAGGING, SELECTED |
157 | } selstate; |
158 | static enum { |
159 | SM_CHAR, SM_WORD, SM_LINE |
160 | } selmode; |
4facdf84 |
161 | static pos selstart, selend, selanchor; |
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162 | |
163 | static short wordness[256] = { |
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164 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
165 | 0, 0, 0, 0, 0, 0, 0, 0, /* 01 */ |
166 | 0, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
167 | 2, 2, 1, 1, 1, 1, 1, 1, /* 23 */ |
168 | 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
169 | 2, 2, 2, 1, 1, 1, 1, 2, /* 45 */ |
170 | 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
171 | 2, 2, 2, 1, 1, 1, 1, 1, /* 67 */ |
172 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
173 | 1, 1, 1, 1, 1, 1, 1, 1, /* 89 */ |
174 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
175 | 1, 1, 1, 1, 1, 1, 1, 1, /* AB */ |
176 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, |
177 | 2, 2, 2, 2, 2, 2, 2, 2, /* CD */ |
178 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, |
179 | 2, 2, 2, 2, 2, 2, 2, 2, /* EF */ |
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180 | }; |
181 | |
182 | static unsigned char sel_nl[] = SEL_NL; |
32874aea |
183 | static char *paste_buffer = 0; |
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184 | static int paste_len, paste_pos, paste_hold; |
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185 | |
186 | /* |
187 | * Internal prototypes. |
188 | */ |
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189 | static void do_paint(Context, int); |
190 | static void erase_lots(int, int, int); |
191 | static void swap_screen(int); |
192 | static void update_sbar(void); |
193 | static void deselect(void); |
e1c8e0ed |
194 | /* log session to file stuff ... */ |
195 | static FILE *lgfp = NULL; |
196 | static void logtraffic(unsigned char c, int logmode); |
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197 | |
198 | /* |
c83de303 |
199 | * Retrieve a line of the screen or of the scrollback, according to |
200 | * whether the y coordinate is non-negative or negative |
201 | * (respectively). |
202 | */ |
32874aea |
203 | unsigned long *lineptr(int y, int lineno) |
204 | { |
c83de303 |
205 | unsigned long *line, lineattrs; |
206 | tree234 *whichtree; |
207 | int i, treeindex, oldlen; |
208 | |
209 | if (y >= 0) { |
210 | whichtree = screen; |
211 | treeindex = y; |
212 | } else { |
213 | whichtree = scrollback; |
214 | treeindex = y + count234(scrollback); |
215 | } |
216 | line = index234(whichtree, treeindex); |
217 | |
218 | /* We assume that we don't screw up and retrieve something out of range. */ |
c83de303 |
219 | assert(line != NULL); |
c83de303 |
220 | |
221 | if (line[0] != cols) { |
222 | /* |
223 | * This line is the wrong length, which probably means it |
224 | * hasn't been accessed since a resize. Resize it now. |
225 | */ |
226 | oldlen = line[0]; |
32874aea |
227 | lineattrs = line[oldlen + 1]; |
c83de303 |
228 | delpos234(whichtree, treeindex); |
32874aea |
229 | line = srealloc(line, TSIZE * (2 + cols)); |
c83de303 |
230 | line[0] = cols; |
231 | for (i = oldlen; i < cols; i++) |
32874aea |
232 | line[i + 1] = ERASE_CHAR; |
233 | line[cols + 1] = lineattrs & LATTR_MODE; |
c83de303 |
234 | addpos234(whichtree, line, treeindex); |
235 | } |
236 | |
32874aea |
237 | return line + 1; |
c83de303 |
238 | } |
32874aea |
239 | |
c83de303 |
240 | #define lineptr(x) lineptr(x,__LINE__) |
241 | /* |
374330e2 |
242 | * Set up power-on settings for the terminal. |
243 | */ |
32874aea |
244 | static void power_on(void) |
245 | { |
4facdf84 |
246 | curs.x = curs.y = alt_x = alt_y = savecurs.x = savecurs.y = 0; |
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247 | alt_t = marg_t = 0; |
248 | if (rows != -1) |
249 | alt_b = marg_b = rows - 1; |
250 | else |
251 | alt_b = marg_b = 0; |
252 | if (cols != -1) { |
253 | int i; |
254 | for (i = 0; i < cols; i++) |
255 | tabs[i] = (i % 8 == 0 ? TRUE : FALSE); |
256 | } |
257 | alt_om = dec_om = cfg.dec_om; |
258 | alt_wnext = wrapnext = alt_ins = insert = FALSE; |
259 | alt_wrap = wrap = cfg.wrap_mode; |
260 | alt_cset = cset = 0; |
261 | cset_attr[0] = cset_attr[1] = ATTR_ASCII; |
262 | rvideo = 0; |
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263 | in_vbell = FALSE; |
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264 | cursor_on = 1; |
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265 | save_attr = curr_attr = ATTR_DEFAULT; |
0965bee0 |
266 | term_editing = term_echoing = FALSE; |
32874aea |
267 | ldisc_send(NULL, 0); /* cause ldisc to notice changes */ |
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268 | app_cursor_keys = cfg.app_cursor; |
269 | app_keypad_keys = cfg.app_keypad; |
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270 | use_bce = cfg.bce; |
271 | blink_is_real = cfg.blinktext; |
e14a5a13 |
272 | erase_char = ERASE_CHAR; |
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273 | alt_which = 0; |
274 | { |
275 | int i; |
276 | for (i = 0; i < 256; i++) |
277 | wordness[i] = cfg.wordness[i]; |
278 | } |
4facdf84 |
279 | if (screen) { |
32874aea |
280 | swap_screen(1); |
281 | erase_lots(FALSE, TRUE, TRUE); |
282 | swap_screen(0); |
283 | erase_lots(FALSE, TRUE, TRUE); |
374330e2 |
284 | } |
285 | } |
286 | |
287 | /* |
288 | * Force a screen update. |
289 | */ |
32874aea |
290 | void term_update(void) |
291 | { |
374330e2 |
292 | Context ctx; |
293 | ctx = get_ctx(); |
294 | if (ctx) { |
32874aea |
295 | if ((seen_key_event && (cfg.scroll_on_key)) || |
296 | (seen_disp_event && (cfg.scroll_on_disp))) { |
4facdf84 |
297 | disptop = 0; /* return to main screen */ |
cabfd08c |
298 | seen_disp_event = seen_key_event = 0; |
8ac3e544 |
299 | update_sbar(); |
cabfd08c |
300 | } |
32874aea |
301 | do_paint(ctx, TRUE); |
302 | sys_cursor(curs.x, curs.y - disptop); |
303 | free_ctx(ctx); |
374330e2 |
304 | } |
305 | } |
306 | |
307 | /* |
308 | * Same as power_on(), but an external function. |
309 | */ |
32874aea |
310 | void term_pwron(void) |
311 | { |
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312 | power_on(); |
313 | fix_cpos; |
4facdf84 |
314 | disptop = 0; |
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315 | deselect(); |
316 | term_update(); |
317 | } |
318 | |
319 | /* |
320 | * Clear the scrollback. |
321 | */ |
32874aea |
322 | void term_clrsb(void) |
323 | { |
4facdf84 |
324 | unsigned long *line; |
325 | disptop = 0; |
326 | while ((line = delpos234(scrollback, 0)) != NULL) { |
327 | sfree(line); |
328 | } |
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329 | update_sbar(); |
330 | } |
331 | |
332 | /* |
333 | * Initialise the terminal. |
334 | */ |
32874aea |
335 | void term_init(void) |
336 | { |
4facdf84 |
337 | screen = alt_screen = scrollback = NULL; |
338 | disptop = 0; |
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339 | disptext = wanttext = NULL; |
340 | tabs = NULL; |
341 | selspace = NULL; |
342 | deselect(); |
343 | rows = cols = -1; |
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344 | power_on(); |
156686ef |
345 | beephead = beeptail = NULL; |
346 | nbeeps = 0; |
347 | lastbeep = FALSE; |
348 | beep_overloaded = FALSE; |
374330e2 |
349 | } |
350 | |
351 | /* |
352 | * Set up the terminal for a given size. |
353 | */ |
32874aea |
354 | void term_size(int newrows, int newcols, int newsavelines) |
355 | { |
4facdf84 |
356 | tree234 *newsb, *newscreen, *newalt; |
357 | unsigned long *newdisp, *newwant, *oldline, *line; |
260f3dec |
358 | int i, j, ccols; |
c83de303 |
359 | int sblen; |
d6832394 |
360 | int save_alt_which = alt_which; |
361 | |
374330e2 |
362 | if (newrows == rows && newcols == cols && newsavelines == savelines) |
363 | return; /* nothing to do */ |
364 | |
d6832394 |
365 | deselect(); |
366 | swap_screen(0); |
367 | |
374330e2 |
368 | alt_t = marg_t = 0; |
369 | alt_b = marg_b = newrows - 1; |
370 | |
c83de303 |
371 | if (rows == -1) { |
372 | scrollback = newtree234(NULL); |
373 | screen = newtree234(NULL); |
374 | rows = 0; |
375 | } |
376 | |
377 | /* |
378 | * Resize the screen and scrollback. We only need to shift |
379 | * lines around within our data structures, because lineptr() |
380 | * will take care of resizing each individual line if |
381 | * necessary. So: |
382 | * |
383 | * - If the new screen and the old screen differ in length, we |
384 | * must shunt some lines in from the scrollback or out to |
385 | * the scrollback. |
386 | * |
387 | * - If doing that fails to provide us with enough material to |
388 | * fill the new screen (i.e. the number of rows needed in |
389 | * the new screen exceeds the total number in the previous |
390 | * screen+scrollback), we must invent some blank lines to |
391 | * cover the gap. |
392 | * |
393 | * - Then, if the new scrollback length is less than the |
394 | * amount of scrollback we actually have, we must throw some |
395 | * away. |
396 | */ |
397 | sblen = count234(scrollback); |
cdd6c586 |
398 | /* Do this loop to expand the screen if newrows > rows */ |
399 | for (i = rows; i < newrows; i++) { |
32874aea |
400 | if (sblen > 0) { |
401 | line = delpos234(scrollback, --sblen); |
402 | } else { |
403 | line = smalloc(TSIZE * (newcols + 2)); |
404 | line[0] = newcols; |
405 | for (j = 0; j <= newcols; j++) |
406 | line[j + 1] = ERASE_CHAR; |
407 | } |
408 | addpos234(screen, line, 0); |
cdd6c586 |
409 | } |
410 | /* Do this loop to shrink the screen if newrows < rows */ |
411 | for (i = newrows; i < rows; i++) { |
32874aea |
412 | line = delpos234(screen, 0); |
413 | addpos234(scrollback, line, sblen++); |
c83de303 |
414 | } |
415 | assert(count234(screen) == newrows); |
416 | while (sblen > newsavelines) { |
417 | line = delpos234(scrollback, 0); |
418 | sfree(line); |
419 | sblen--; |
c9def1b8 |
420 | } |
c83de303 |
421 | assert(count234(scrollback) <= newsavelines); |
4facdf84 |
422 | disptop = 0; |
374330e2 |
423 | |
32874aea |
424 | newdisp = smalloc(newrows * (newcols + 1) * TSIZE); |
425 | for (i = 0; i < newrows * (newcols + 1); i++) |
374330e2 |
426 | newdisp[i] = ATTR_INVALID; |
32874aea |
427 | sfree(disptext); |
374330e2 |
428 | disptext = newdisp; |
429 | |
32874aea |
430 | newwant = smalloc(newrows * (newcols + 1) * TSIZE); |
431 | for (i = 0; i < newrows * (newcols + 1); i++) |
374330e2 |
432 | newwant[i] = ATTR_INVALID; |
32874aea |
433 | sfree(wanttext); |
374330e2 |
434 | wanttext = newwant; |
435 | |
4facdf84 |
436 | newalt = newtree234(NULL); |
32874aea |
437 | for (i = 0; i < newrows; i++) { |
438 | line = smalloc(TSIZE * (newcols + 2)); |
c83de303 |
439 | line[0] = newcols; |
4facdf84 |
440 | for (j = 0; j <= newcols; j++) |
32874aea |
441 | line[j + 1] = erase_char; |
4facdf84 |
442 | addpos234(newalt, line, i); |
443 | } |
444 | if (alt_screen) { |
445 | while (NULL != (line = delpos234(alt_screen, 0))) |
446 | sfree(line); |
447 | freetree234(alt_screen); |
448 | } |
449 | alt_screen = newalt; |
374330e2 |
450 | |
32874aea |
451 | sfree(selspace); |
452 | selspace = |
453 | smalloc((newrows + newsavelines) * (newcols + sizeof(sel_nl))); |
374330e2 |
454 | |
32874aea |
455 | tabs = srealloc(tabs, newcols * sizeof(*tabs)); |
374330e2 |
456 | { |
457 | int i; |
458 | for (i = (cols > 0 ? cols : 0); i < newcols; i++) |
459 | tabs[i] = (i % 8 == 0 ? TRUE : FALSE); |
460 | } |
461 | |
462 | if (rows > 0) |
4facdf84 |
463 | curs.y += newrows - rows; |
464 | if (curs.y < 0) |
465 | curs.y = 0; |
466 | if (curs.y >= newrows) |
32874aea |
467 | curs.y = newrows - 1; |
4facdf84 |
468 | if (curs.x >= newcols) |
32874aea |
469 | curs.x = newcols - 1; |
374330e2 |
470 | alt_x = alt_y = 0; |
471 | wrapnext = alt_wnext = FALSE; |
472 | |
473 | rows = newrows; |
474 | cols = newcols; |
475 | savelines = newsavelines; |
476 | fix_cpos; |
477 | |
d6832394 |
478 | swap_screen(save_alt_which); |
479 | |
374330e2 |
480 | update_sbar(); |
481 | term_update(); |
482 | } |
483 | |
484 | /* |
485 | * Swap screens. |
486 | */ |
32874aea |
487 | static void swap_screen(int which) |
488 | { |
374330e2 |
489 | int t; |
4facdf84 |
490 | tree234 *ttr; |
374330e2 |
491 | |
492 | if (which == alt_which) |
493 | return; |
494 | |
495 | alt_which = which; |
496 | |
32874aea |
497 | ttr = alt_screen; |
498 | alt_screen = screen; |
499 | screen = ttr; |
500 | t = curs.x; |
501 | curs.x = alt_x; |
502 | alt_x = t; |
503 | t = curs.y; |
504 | curs.y = alt_y; |
505 | alt_y = t; |
506 | t = marg_t; |
507 | marg_t = alt_t; |
508 | alt_t = t; |
509 | t = marg_b; |
510 | marg_b = alt_b; |
511 | alt_b = t; |
512 | t = dec_om; |
513 | dec_om = alt_om; |
514 | alt_om = t; |
515 | t = wrap; |
516 | wrap = alt_wrap; |
517 | alt_wrap = t; |
518 | t = wrapnext; |
519 | wrapnext = alt_wnext; |
520 | alt_wnext = t; |
521 | t = insert; |
522 | insert = alt_ins; |
523 | alt_ins = t; |
524 | t = cset; |
525 | cset = alt_cset; |
526 | alt_cset = t; |
374330e2 |
527 | |
528 | fix_cpos; |
529 | } |
530 | |
531 | /* |
374330e2 |
532 | * Update the scroll bar. |
533 | */ |
32874aea |
534 | static void update_sbar(void) |
535 | { |
260f3dec |
536 | int nscroll; |
374330e2 |
537 | |
4facdf84 |
538 | nscroll = count234(scrollback); |
539 | |
32874aea |
540 | set_sbar(nscroll + rows, nscroll + disptop, rows); |
374330e2 |
541 | } |
542 | |
543 | /* |
544 | * Check whether the region bounded by the two pointers intersects |
545 | * the scroll region, and de-select the on-screen selection if so. |
546 | */ |
32874aea |
547 | static void check_selection(pos from, pos to) |
548 | { |
4facdf84 |
549 | if (poslt(from, selend) && poslt(selstart, to)) |
374330e2 |
550 | deselect(); |
551 | } |
552 | |
553 | /* |
554 | * Scroll the screen. (`lines' is +ve for scrolling forward, -ve |
555 | * for backward.) `sb' is TRUE if the scrolling is permitted to |
556 | * affect the scrollback buffer. |
a4450583 |
557 | * |
558 | * NB this function invalidates all pointers into lines of the |
559 | * screen data structures. In particular, you MUST call fix_cpos |
560 | * after calling scroll() and before doing anything else that |
561 | * uses the cpos shortcut pointer. |
374330e2 |
562 | */ |
32874aea |
563 | static void scroll(int topline, int botline, int lines, int sb) |
564 | { |
4facdf84 |
565 | unsigned long *line, *line2; |
566 | int i; |
c9def1b8 |
567 | |
7af9fa7f |
568 | if (topline != 0 || alt_which != 0) |
4facdf84 |
569 | sb = FALSE; |
570 | |
571 | if (lines < 0) { |
572 | while (lines < 0) { |
573 | line = delpos234(screen, botline); |
574 | for (i = 0; i < cols; i++) |
32874aea |
575 | line[i + 1] = erase_char; |
576 | line[cols + 1] = 0; |
4facdf84 |
577 | addpos234(screen, line, topline); |
578 | |
579 | if (selstart.y >= topline && selstart.y <= botline) { |
580 | selstart.y++; |
581 | if (selstart.y > botline) { |
582 | selstart.y = botline; |
583 | selstart.x = 0; |
c9def1b8 |
584 | } |
c9def1b8 |
585 | } |
4facdf84 |
586 | if (selend.y >= topline && selend.y <= botline) { |
587 | selend.y++; |
588 | if (selend.y > botline) { |
589 | selend.y = botline; |
590 | selend.x = 0; |
c9def1b8 |
591 | } |
c9def1b8 |
592 | } |
c9def1b8 |
593 | |
4facdf84 |
594 | lines++; |
c9def1b8 |
595 | } |
374330e2 |
596 | } else { |
4facdf84 |
597 | while (lines > 0) { |
598 | line = delpos234(screen, topline); |
c83de303 |
599 | if (sb && savelines > 0) { |
4facdf84 |
600 | int sblen = count234(scrollback); |
601 | /* |
602 | * We must add this line to the scrollback. We'll |
603 | * remove a line from the top of the scrollback to |
604 | * replace it, or allocate a new one if the |
605 | * scrollback isn't full. |
606 | */ |
c83de303 |
607 | if (sblen == savelines) { |
4facdf84 |
608 | sblen--, line2 = delpos234(scrollback, 0); |
c83de303 |
609 | } else { |
32874aea |
610 | line2 = smalloc(TSIZE * (cols + 2)); |
c83de303 |
611 | line2[0] = cols; |
612 | } |
4facdf84 |
613 | addpos234(scrollback, line, sblen); |
614 | line = line2; |
615 | } |
616 | for (i = 0; i < cols; i++) |
32874aea |
617 | line[i + 1] = erase_char; |
618 | line[cols + 1] = 0; |
4facdf84 |
619 | addpos234(screen, line, botline); |
620 | |
621 | if (selstart.y >= topline && selstart.y <= botline) { |
622 | selstart.y--; |
623 | if (selstart.y < topline) { |
624 | selstart.y = topline; |
625 | selstart.x = 0; |
626 | } |
627 | } |
628 | if (selend.y >= topline && selend.y <= botline) { |
629 | selend.y--; |
630 | if (selend.y < topline) { |
631 | selend.y = topline; |
632 | selend.x = 0; |
633 | } |
634 | } |
635 | |
636 | lines--; |
c9def1b8 |
637 | } |
374330e2 |
638 | } |
374330e2 |
639 | } |
640 | |
641 | /* |
642 | * Move the cursor to a given position, clipping at boundaries. We |
643 | * may or may not want to clip at the scroll margin: marg_clip is 0 |
644 | * not to, 1 to disallow _passing_ the margins, and 2 to disallow |
645 | * even _being_ outside the margins. |
646 | */ |
32874aea |
647 | static void move(int x, int y, int marg_clip) |
648 | { |
374330e2 |
649 | if (x < 0) |
650 | x = 0; |
651 | if (x >= cols) |
32874aea |
652 | x = cols - 1; |
374330e2 |
653 | if (marg_clip) { |
4facdf84 |
654 | if ((curs.y >= marg_t || marg_clip == 2) && y < marg_t) |
374330e2 |
655 | y = marg_t; |
4facdf84 |
656 | if ((curs.y <= marg_b || marg_clip == 2) && y > marg_b) |
374330e2 |
657 | y = marg_b; |
658 | } |
659 | if (y < 0) |
660 | y = 0; |
661 | if (y >= rows) |
32874aea |
662 | y = rows - 1; |
4facdf84 |
663 | curs.x = x; |
664 | curs.y = y; |
374330e2 |
665 | fix_cpos; |
666 | wrapnext = FALSE; |
667 | } |
668 | |
669 | /* |
670 | * Save or restore the cursor and SGR mode. |
671 | */ |
32874aea |
672 | static void save_cursor(int save) |
673 | { |
374330e2 |
674 | if (save) { |
4facdf84 |
675 | savecurs = curs; |
374330e2 |
676 | save_attr = curr_attr; |
677 | save_cset = cset; |
678 | save_csattr = cset_attr[cset]; |
679 | } else { |
4facdf84 |
680 | curs = savecurs; |
c9def1b8 |
681 | /* Make sure the window hasn't shrunk since the save */ |
32874aea |
682 | if (curs.x >= cols) |
683 | curs.x = cols - 1; |
684 | if (curs.y >= rows) |
685 | curs.y = rows - 1; |
c9def1b8 |
686 | |
374330e2 |
687 | curr_attr = save_attr; |
688 | cset = save_cset; |
689 | cset_attr[cset] = save_csattr; |
690 | fix_cpos; |
32874aea |
691 | if (use_bce) |
692 | erase_char = (' ' | (curr_attr & (ATTR_FGMASK | ATTR_BGMASK))); |
374330e2 |
693 | } |
694 | } |
695 | |
696 | /* |
697 | * Erase a large portion of the screen: the whole screen, or the |
698 | * whole line, or parts thereof. |
699 | */ |
32874aea |
700 | static void erase_lots(int line_only, int from_begin, int to_end) |
701 | { |
260f3dec |
702 | pos start, end; |
4facdf84 |
703 | int erase_lattr; |
704 | unsigned long *ldata; |
374330e2 |
705 | |
706 | if (line_only) { |
4facdf84 |
707 | start.y = curs.y; |
708 | start.x = 0; |
709 | end.y = curs.y + 1; |
710 | end.x = 0; |
711 | erase_lattr = FALSE; |
374330e2 |
712 | } else { |
4facdf84 |
713 | start.y = 0; |
714 | start.x = 0; |
715 | end.y = rows; |
716 | end.x = 0; |
717 | erase_lattr = TRUE; |
718 | } |
719 | if (!from_begin) { |
720 | start = curs; |
374330e2 |
721 | } |
4facdf84 |
722 | if (!to_end) { |
723 | end = curs; |
724 | } |
32874aea |
725 | check_selection(start, end); |
e14a5a13 |
726 | |
727 | /* Clear screen also forces a full window redraw, just in case. */ |
4facdf84 |
728 | if (start.y == 0 && start.x == 0 && end.y == rows) |
32874aea |
729 | term_invalidate(); |
e14a5a13 |
730 | |
4facdf84 |
731 | ldata = lineptr(start.y); |
732 | while (poslt(start, end)) { |
733 | if (start.y == cols && !erase_lattr) |
734 | ldata[start.x] &= ~ATTR_WRAPPED; |
735 | else |
736 | ldata[start.x] = erase_char; |
c83de303 |
737 | if (incpos(start) && start.y < rows) |
4facdf84 |
738 | ldata = lineptr(start.y); |
739 | } |
374330e2 |
740 | } |
741 | |
742 | /* |
743 | * Insert or delete characters within the current line. n is +ve if |
744 | * insertion is desired, and -ve for deletion. |
745 | */ |
32874aea |
746 | static void insch(int n) |
747 | { |
374330e2 |
748 | int dir = (n < 0 ? -1 : +1); |
749 | int m; |
4facdf84 |
750 | pos cursplus; |
751 | unsigned long *ldata; |
374330e2 |
752 | |
753 | n = (n < 0 ? -n : n); |
4facdf84 |
754 | if (n > cols - curs.x) |
755 | n = cols - curs.x; |
756 | m = cols - curs.x - n; |
757 | cursplus.y = curs.y; |
758 | cursplus.x = curs.x + n; |
32874aea |
759 | check_selection(curs, cursplus); |
4facdf84 |
760 | ldata = lineptr(curs.y); |
374330e2 |
761 | if (dir < 0) { |
32874aea |
762 | memmove(ldata + curs.x, ldata + curs.x + n, m * TSIZE); |
374330e2 |
763 | while (n--) |
4facdf84 |
764 | ldata[curs.x + m++] = erase_char; |
374330e2 |
765 | } else { |
32874aea |
766 | memmove(ldata + curs.x + n, ldata + curs.x, m * TSIZE); |
374330e2 |
767 | while (n--) |
4facdf84 |
768 | ldata[curs.x + n] = erase_char; |
374330e2 |
769 | } |
770 | } |
771 | |
772 | /* |
773 | * Toggle terminal mode `mode' to state `state'. (`query' indicates |
774 | * whether the mode is a DEC private one or a normal one.) |
775 | */ |
32874aea |
776 | static void toggle_mode(int mode, int query, int state) |
777 | { |
7594731b |
778 | long ticks; |
01c034ad |
779 | |
32874aea |
780 | if (query) |
781 | switch (mode) { |
782 | case 1: /* application cursor keys */ |
783 | app_cursor_keys = state; |
784 | break; |
785 | case 2: /* VT52 mode */ |
786 | vt52_mode = !state; |
787 | break; |
788 | case 3: /* 80/132 columns */ |
789 | deselect(); |
790 | request_resize(state ? 132 : 80, rows, 1); |
791 | reset_132 = state; |
792 | break; |
793 | case 5: /* reverse video */ |
794 | /* |
795 | * Toggle reverse video. If we receive an OFF within the |
796 | * visual bell timeout period after an ON, we trigger an |
797 | * effective visual bell, so that ESC[?5hESC[?5l will |
798 | * always be an actually _visible_ visual bell. |
799 | */ |
800 | ticks = GetTickCount(); |
801 | if (rvideo && !state && /* we're turning it off */ |
802 | ticks < rvbell_timeout) { /* and it's not long since it was turned on */ |
803 | in_vbell = TRUE; /* we may clear rvideo but we set in_vbell */ |
804 | if (vbell_timeout < rvbell_timeout) /* don't move vbell end forward */ |
805 | vbell_timeout = rvbell_timeout; /* vbell end is at least then */ |
806 | } else if (!rvideo && state) { |
807 | /* This is an ON, so we notice the time and save it. */ |
808 | rvbell_timeout = ticks + VBELL_TIMEOUT; |
809 | } |
810 | rvideo = state; |
811 | seen_disp_event = TRUE; |
812 | if (state) |
813 | term_update(); |
814 | break; |
815 | case 6: /* DEC origin mode */ |
816 | dec_om = state; |
817 | break; |
818 | case 7: /* auto wrap */ |
819 | wrap = state; |
820 | break; |
821 | case 8: /* auto key repeat */ |
822 | repeat_off = !state; |
823 | break; |
824 | case 10: /* set local edit mode */ |
825 | term_editing = state; |
826 | ldisc_send(NULL, 0); /* cause ldisc to notice changes */ |
827 | break; |
828 | case 25: /* enable/disable cursor */ |
829 | compatibility2(OTHER, VT220); |
830 | cursor_on = state; |
831 | seen_disp_event = TRUE; |
832 | break; |
833 | case 47: /* alternate screen */ |
834 | compatibility(OTHER); |
835 | deselect(); |
836 | swap_screen(state); |
837 | disptop = 0; |
838 | break; |
839 | case 1000: /* xterm mouse 1 */ |
840 | xterm_mouse = state ? 1 : 0; |
841 | set_raw_mouse_mode(state); |
842 | break; |
843 | case 1002: /* xterm mouse 2 */ |
844 | xterm_mouse = state ? 2 : 0; |
845 | set_raw_mouse_mode(state); |
846 | break; |
847 | } else |
848 | switch (mode) { |
849 | case 4: /* set insert mode */ |
850 | compatibility(VT102); |
851 | insert = state; |
852 | break; |
853 | case 12: /* set echo mode */ |
854 | term_echoing = !state; |
855 | ldisc_send(NULL, 0); /* cause ldisc to notice changes */ |
856 | break; |
857 | case 20: /* Return sends ... */ |
858 | cr_lf_return = state; |
859 | break; |
7594731b |
860 | } |
374330e2 |
861 | } |
862 | |
863 | /* |
864 | * Process an OSC sequence: set window title or icon name. |
865 | */ |
32874aea |
866 | static void do_osc(void) |
867 | { |
374330e2 |
868 | if (osc_w) { |
869 | while (osc_strlen--) |
32874aea |
870 | wordness[(unsigned char) osc_string[osc_strlen]] = esc_args[0]; |
374330e2 |
871 | } else { |
872 | osc_string[osc_strlen] = '\0'; |
873 | switch (esc_args[0]) { |
874 | case 0: |
875 | case 1: |
32874aea |
876 | set_icon(osc_string); |
374330e2 |
877 | if (esc_args[0] == 1) |
878 | break; |
879 | /* fall through: parameter 0 means set both */ |
880 | case 2: |
881 | case 21: |
32874aea |
882 | set_title(osc_string); |
374330e2 |
883 | break; |
884 | } |
885 | } |
886 | } |
887 | |
888 | /* |
889 | * Remove everything currently in `inbuf' and stick it up on the |
890 | * in-memory display. There's a big state machine in here to |
891 | * process escape sequences... |
892 | */ |
32874aea |
893 | void term_out(void) |
894 | { |
c9def1b8 |
895 | int c, inbuf_reap; |
896 | |
32874aea |
897 | for (inbuf_reap = 0; inbuf_reap < inbuf_head; inbuf_reap++) { |
898 | c = inbuf[inbuf_reap]; |
374330e2 |
899 | |
c9def1b8 |
900 | /* |
32874aea |
901 | * Optionally log the session traffic to a file. Useful for |
902 | * debugging and possibly also useful for actual logging. |
903 | */ |
904 | logtraffic((unsigned char) c, LGTYP_DEBUG); |
e1c8e0ed |
905 | |
e14a5a13 |
906 | /* Note only VT220+ are 8-bit VT102 is seven bit, it shouldn't even |
907 | * be able to display 8-bit characters, but I'll let that go 'cause |
908 | * of i18n. |
909 | */ |
32874aea |
910 | if (((c & 0x60) == 0 || c == '\177') && |
911 | termstate < DO_CTRLS && ((c & 0x80) == 0 || has_compat(VT220))) { |
374330e2 |
912 | switch (c) { |
913 | case '\005': /* terminal type query */ |
e14a5a13 |
914 | /* Strictly speaking this is VT100 but a VT100 defaults to |
915 | * no response. Other terminals respond at their option. |
916 | * |
917 | * Don't put a CR in the default string as this tends to |
918 | * upset some weird software. |
919 | * |
920 | * An xterm returns "xterm" (5 characters) |
921 | */ |
32874aea |
922 | compatibility(ANSIMIN); |
e7fbcdd8 |
923 | { |
924 | char abuf[256], *s, *d; |
32874aea |
925 | int state = 0; |
926 | for (s = cfg.answerback, d = abuf; *s; s++) { |
927 | if (state) { |
928 | if (*s >= 'a' && *s <= 'z') |
929 | *d++ = (*s - ('a' - 1)); |
930 | else if ((*s >= '@' && *s <= '_') || |
931 | *s == '?' || (*s & 0x80)) |
932 | *d++ = ('@' ^ *s); |
933 | else if (*s == '~') |
934 | *d++ = '^'; |
935 | state = 0; |
936 | } else if (*s == '^') { |
937 | state = 1; |
938 | } else |
939 | *d++ = xlat_kbd2tty((unsigned char) *s); |
e7fbcdd8 |
940 | } |
32874aea |
941 | ldisc_send(abuf, d - abuf); |
e7fbcdd8 |
942 | } |
374330e2 |
943 | break; |
944 | case '\007': |
156686ef |
945 | { |
946 | struct beeptime *newbeep; |
947 | long ticks; |
948 | |
949 | ticks = GetTickCount(); |
156686ef |
950 | |
951 | if (!beep_overloaded) { |
952 | newbeep = smalloc(sizeof(struct beeptime)); |
953 | newbeep->ticks = ticks; |
954 | newbeep->next = NULL; |
955 | if (!beephead) |
956 | beephead = newbeep; |
957 | else |
958 | beeptail->next = newbeep; |
959 | beeptail = newbeep; |
960 | nbeeps++; |
961 | } |
962 | |
963 | /* |
964 | * Throw out any beeps that happened more than |
965 | * t seconds ago. |
966 | */ |
967 | while (beephead && |
7f4968e6 |
968 | beephead->ticks < ticks - cfg.bellovl_t) { |
156686ef |
969 | struct beeptime *tmp = beephead; |
970 | beephead = tmp->next; |
156686ef |
971 | sfree(tmp); |
972 | if (!beephead) |
973 | beeptail = NULL; |
974 | nbeeps--; |
975 | } |
976 | |
977 | if (cfg.bellovl && beep_overloaded && |
32874aea |
978 | ticks - lastbeep >= cfg.bellovl_s) { |
156686ef |
979 | /* |
980 | * If we're currently overloaded and the |
981 | * last beep was more than s seconds ago, |
982 | * leave overload mode. |
983 | */ |
156686ef |
984 | beep_overloaded = FALSE; |
985 | } else if (cfg.bellovl && !beep_overloaded && |
986 | nbeeps >= cfg.bellovl_n) { |
987 | /* |
988 | * Now, if we have n or more beeps |
989 | * remaining in the queue, go into overload |
990 | * mode. |
991 | */ |
156686ef |
992 | beep_overloaded = TRUE; |
993 | } |
994 | lastbeep = ticks; |
995 | |
996 | /* |
997 | * Perform an actual beep if we're not overloaded. |
998 | */ |
32874aea |
999 | if ((!cfg.bellovl || !beep_overloaded) |
1000 | && cfg.beep != 0) { |
156686ef |
1001 | if (cfg.beep != 2) |
1002 | beep(cfg.beep); |
32874aea |
1003 | else if (cfg.beep == 2) { |
156686ef |
1004 | in_vbell = TRUE; |
1005 | vbell_timeout = ticks + VBELL_TIMEOUT; |
1006 | term_update(); |
1007 | } |
1008 | } |
4facdf84 |
1009 | disptop = 0; |
156686ef |
1010 | } |
374330e2 |
1011 | break; |
1012 | case '\b': |
32874aea |
1013 | if (curs.x == 0 && curs.y == 0); |
4facdf84 |
1014 | else if (curs.x == 0 && curs.y > 0) |
32874aea |
1015 | curs.x = cols - 1, curs.y--; |
374330e2 |
1016 | else if (wrapnext) |
1017 | wrapnext = FALSE; |
1018 | else |
4facdf84 |
1019 | curs.x--; |
374330e2 |
1020 | fix_cpos; |
cabfd08c |
1021 | seen_disp_event = TRUE; |
374330e2 |
1022 | break; |
1023 | case '\016': |
32874aea |
1024 | compatibility(VT100); |
374330e2 |
1025 | cset = 1; |
1026 | break; |
1027 | case '\017': |
32874aea |
1028 | compatibility(VT100); |
374330e2 |
1029 | cset = 0; |
1030 | break; |
1031 | case '\033': |
32874aea |
1032 | if (vt52_mode) |
1033 | termstate = VT52_ESC; |
e14a5a13 |
1034 | else { |
1035 | compatibility(ANSIMIN); |
1036 | termstate = SEEN_ESC; |
1037 | } |
374330e2 |
1038 | break; |
1039 | case 0233: |
32874aea |
1040 | compatibility(VT220); |
374330e2 |
1041 | termstate = SEEN_CSI; |
1042 | esc_nargs = 1; |
1043 | esc_args[0] = ARG_DEFAULT; |
1044 | esc_query = FALSE; |
1045 | break; |
1046 | case 0235: |
32874aea |
1047 | compatibility(VT220); |
374330e2 |
1048 | termstate = SEEN_OSC; |
1049 | esc_args[0] = 0; |
1050 | break; |
1051 | case '\r': |
4facdf84 |
1052 | curs.x = 0; |
374330e2 |
1053 | wrapnext = FALSE; |
1054 | fix_cpos; |
cabfd08c |
1055 | seen_disp_event = TRUE; |
c9def1b8 |
1056 | paste_hold = 0; |
32874aea |
1057 | logtraffic((unsigned char) c, LGTYP_ASCII); |
374330e2 |
1058 | break; |
1059 | case '\013': |
1060 | case '\014': |
32874aea |
1061 | compatibility(VT100); |
374330e2 |
1062 | case '\n': |
4facdf84 |
1063 | if (curs.y == marg_b) |
32874aea |
1064 | scroll(marg_t, marg_b, 1, TRUE); |
1065 | else if (curs.y < rows - 1) |
4facdf84 |
1066 | curs.y++; |
cabfd08c |
1067 | if (cfg.lfhascr) |
4facdf84 |
1068 | curs.x = 0; |
374330e2 |
1069 | fix_cpos; |
1070 | wrapnext = FALSE; |
cabfd08c |
1071 | seen_disp_event = 1; |
c9def1b8 |
1072 | paste_hold = 0; |
32874aea |
1073 | logtraffic((unsigned char) c, LGTYP_ASCII); |
374330e2 |
1074 | break; |
1075 | case '\t': |
374330e2 |
1076 | { |
4facdf84 |
1077 | pos old_curs = curs; |
1078 | unsigned long *ldata = lineptr(curs.y); |
c9def1b8 |
1079 | |
1080 | do { |
4facdf84 |
1081 | curs.x++; |
32874aea |
1082 | } while (curs.x < cols - 1 && !tabs[curs.x]); |
c9def1b8 |
1083 | |
32874aea |
1084 | if ((ldata[cols] & LATTR_MODE) != LATTR_NORM) { |
1085 | if (curs.x >= cols / 2) |
1086 | curs.x = cols / 2 - 1; |
1087 | } else { |
4facdf84 |
1088 | if (curs.x >= cols) |
32874aea |
1089 | curs.x = cols - 1; |
c9def1b8 |
1090 | } |
1091 | |
374330e2 |
1092 | fix_cpos; |
32874aea |
1093 | check_selection(old_curs, curs); |
374330e2 |
1094 | } |
cabfd08c |
1095 | seen_disp_event = TRUE; |
374330e2 |
1096 | break; |
32874aea |
1097 | case '\177': /* Destructive backspace |
1098 | This does nothing on a real VT100 */ |
1099 | compatibility(OTHER); |
1100 | if (curs.x && !wrapnext) |
1101 | curs.x--; |
ec55b220 |
1102 | wrapnext = FALSE; |
1103 | fix_cpos; |
1104 | *cpos = (' ' | curr_attr | ATTR_ASCII); |
1105 | break; |
cabfd08c |
1106 | } |
32874aea |
1107 | } else |
1108 | switch (termstate) { |
1109 | case TOPLEVEL: |
1110 | /* Only graphic characters get this far, ctrls are stripped above */ |
1111 | if (wrapnext && wrap) { |
1112 | cpos[1] |= ATTR_WRAPPED; |
1113 | if (curs.y == marg_b) |
1114 | scroll(marg_t, marg_b, 1, TRUE); |
1115 | else if (curs.y < rows - 1) |
1116 | curs.y++; |
1117 | curs.x = 0; |
1118 | fix_cpos; |
1119 | wrapnext = FALSE; |
374330e2 |
1120 | } |
32874aea |
1121 | if (insert) |
1122 | insch(1); |
1123 | if (selstate != NO_SELECTION) { |
1124 | pos cursplus = curs; |
1125 | incpos(cursplus); |
1126 | check_selection(curs, cursplus); |
374330e2 |
1127 | } |
32874aea |
1128 | switch (cset_attr[cset]) { |
1129 | /* |
1130 | * Linedraw characters are different from 'ESC ( B' |
1131 | * only for a small range. For ones outside that |
1132 | * range, make sure we use the same font as well as |
1133 | * the same encoding. |
1134 | */ |
1135 | case ATTR_LINEDRW: |
1136 | if (c < 0x5f || c > 0x7F) |
1137 | *cpos++ = |
1138 | xlat_tty2scr((unsigned char) c) | curr_attr | |
1139 | ATTR_ASCII; |
1140 | else if (c == 0x5F) |
1141 | *cpos++ = ' ' | curr_attr | ATTR_ASCII; |
1142 | else |
1143 | *cpos++ = |
1144 | ((unsigned char) c) | curr_attr | ATTR_LINEDRW; |
1145 | break; |
1146 | case ATTR_GBCHR: |
1147 | /* If UK-ASCII, make the '#' a LineDraw Pound */ |
1148 | if (c == '#') { |
1149 | *cpos++ = '}' | curr_attr | ATTR_LINEDRW; |
1150 | break; |
1151 | } |
1152 | /*FALLTHROUGH*/ default: |
1153 | *cpos = xlat_tty2scr((unsigned char) c) | curr_attr | |
1154 | (c <= 0x7F ? cset_attr[cset] : ATTR_ASCII); |
1155 | logtraffic((unsigned char) c, LGTYP_ASCII); |
1156 | cpos++; |
1157 | break; |
374330e2 |
1158 | } |
32874aea |
1159 | curs.x++; |
1160 | if (curs.x == cols) { |
1161 | cpos--; |
1162 | curs.x--; |
1163 | wrapnext = TRUE; |
e14a5a13 |
1164 | } |
32874aea |
1165 | seen_disp_event = 1; |
374330e2 |
1166 | break; |
32874aea |
1167 | |
1168 | case IGNORE_NEXT: |
1169 | termstate = TOPLEVEL; |
374330e2 |
1170 | break; |
32874aea |
1171 | case OSC_MAYBE_ST: |
1172 | /* |
1173 | * This state is virtually identical to SEEN_ESC, with the |
1174 | * exception that we have an OSC sequence in the pipeline, |
1175 | * and _if_ we see a backslash, we process it. |
1176 | */ |
1177 | if (c == '\\') { |
1178 | do_osc(); |
1179 | termstate = TOPLEVEL; |
1180 | break; |
e14a5a13 |
1181 | } |
32874aea |
1182 | /* else fall through */ |
1183 | case SEEN_ESC: |
1184 | termstate = TOPLEVEL; |
1185 | switch (c) { |
1186 | case ' ': /* some weird sequence? */ |
1187 | compatibility(VT220); |
1188 | termstate = IGNORE_NEXT; |
1189 | break; |
1190 | case '[': /* enter CSI mode */ |
1191 | termstate = SEEN_CSI; |
1192 | esc_nargs = 1; |
1193 | esc_args[0] = ARG_DEFAULT; |
1194 | esc_query = FALSE; |
1195 | break; |
1196 | case ']': /* xterm escape sequences */ |
1197 | /* Compatibility is nasty here, xterm, linux, decterm yuk! */ |
1198 | compatibility(OTHER); |
1199 | termstate = SEEN_OSC; |
1200 | esc_args[0] = 0; |
1201 | break; |
1202 | case '(': /* should set GL */ |
1203 | compatibility(VT100); |
1204 | termstate = SET_GL; |
1205 | break; |
1206 | case ')': /* should set GR */ |
1207 | compatibility(VT100); |
1208 | termstate = SET_GR; |
1209 | break; |
1210 | case '7': /* save cursor */ |
1211 | compatibility(VT100); |
1212 | save_cursor(TRUE); |
1213 | break; |
1214 | case '8': /* restore cursor */ |
1215 | compatibility(VT100); |
1216 | save_cursor(FALSE); |
1217 | seen_disp_event = TRUE; |
1218 | break; |
1219 | case '=': |
1220 | compatibility(VT100); |
1221 | app_keypad_keys = TRUE; |
1222 | break; |
1223 | case '>': |
1224 | compatibility(VT100); |
1225 | app_keypad_keys = FALSE; |
1226 | break; |
1227 | case 'D': /* exactly equivalent to LF */ |
1228 | compatibility(VT100); |
1229 | if (curs.y == marg_b) |
1230 | scroll(marg_t, marg_b, 1, TRUE); |
1231 | else if (curs.y < rows - 1) |
1232 | curs.y++; |
1233 | fix_cpos; |
1234 | wrapnext = FALSE; |
1235 | seen_disp_event = TRUE; |
1236 | break; |
1237 | case 'E': /* exactly equivalent to CR-LF */ |
1238 | compatibility(VT100); |
1239 | curs.x = 0; |
1240 | if (curs.y == marg_b) |
1241 | scroll(marg_t, marg_b, 1, TRUE); |
1242 | else if (curs.y < rows - 1) |
1243 | curs.y++; |
1244 | fix_cpos; |
1245 | wrapnext = FALSE; |
1246 | seen_disp_event = TRUE; |
1247 | break; |
1248 | case 'M': /* reverse index - backwards LF */ |
1249 | compatibility(VT100); |
1250 | if (curs.y == marg_t) |
1251 | scroll(marg_t, marg_b, -1, TRUE); |
1252 | else if (curs.y > 0) |
1253 | curs.y--; |
1254 | fix_cpos; |
1255 | wrapnext = FALSE; |
1256 | seen_disp_event = TRUE; |
1257 | break; |
1258 | case 'Z': /* terminal type query */ |
1259 | compatibility(VT100); |
1260 | ldisc_send(id_string, strlen(id_string)); |
1261 | break; |
1262 | case 'c': /* restore power-on settings */ |
1263 | compatibility(VT100); |
1264 | power_on(); |
1265 | if (reset_132) { |
1266 | request_resize(80, rows, 1); |
1267 | reset_132 = 0; |
374330e2 |
1268 | } |
32874aea |
1269 | fix_cpos; |
1270 | disptop = 0; |
1271 | seen_disp_event = TRUE; |
1272 | break; |
1273 | case '#': /* ESC # 8 fills screen with Es :-) */ |
1274 | compatibility(VT100); |
1275 | termstate = SEEN_ESCHASH; |
1276 | break; |
1277 | case 'H': /* set a tab */ |
1278 | compatibility(VT100); |
1279 | tabs[curs.x] = TRUE; |
1280 | break; |
374330e2 |
1281 | } |
1282 | break; |
32874aea |
1283 | case SEEN_CSI: |
1284 | termstate = TOPLEVEL; /* default */ |
1285 | if (isdigit(c)) { |
1286 | if (esc_nargs <= ARGS_MAX) { |
1287 | if (esc_args[esc_nargs - 1] == ARG_DEFAULT) |
1288 | esc_args[esc_nargs - 1] = 0; |
1289 | esc_args[esc_nargs - 1] = |
1290 | 10 * esc_args[esc_nargs - 1] + c - '0'; |
1291 | } |
1292 | termstate = SEEN_CSI; |
1293 | } else if (c == ';') { |
1294 | if (++esc_nargs <= ARGS_MAX) |
1295 | esc_args[esc_nargs - 1] = ARG_DEFAULT; |
1296 | termstate = SEEN_CSI; |
1297 | } else if (c < '@') { |
1298 | if (esc_query) |
1299 | esc_query = -1; |
1300 | else if (c == '?') |
1301 | esc_query = TRUE; |
1302 | else |
1303 | esc_query = c; |
1304 | termstate = SEEN_CSI; |
1305 | } else |
1306 | switch (ANSI(c, esc_query)) { |
1307 | case 'A': /* move up N lines */ |
1308 | move(curs.x, curs.y - def(esc_args[0], 1), 1); |
1309 | seen_disp_event = TRUE; |
1310 | break; |
1311 | case 'e': /* move down N lines */ |
1312 | compatibility(ANSI); |
1313 | case 'B': |
1314 | move(curs.x, curs.y + def(esc_args[0], 1), 1); |
1315 | seen_disp_event = TRUE; |
1316 | break; |
1317 | case 'a': /* move right N cols */ |
1318 | compatibility(ANSI); |
1319 | case ANSI('c', '>'): /* report xterm version */ |
1320 | compatibility(OTHER); |
1321 | /* this reports xterm version 136 so that VIM can |
1322 | use the drag messages from the mouse reporting */ |
1323 | ldisc_send("\033[>0;136;0c", 11); |
1324 | break; |
1325 | case 'C': |
1326 | move(curs.x + def(esc_args[0], 1), curs.y, 1); |
1327 | seen_disp_event = TRUE; |
1328 | break; |
1329 | case 'D': /* move left N cols */ |
1330 | move(curs.x - def(esc_args[0], 1), curs.y, 1); |
1331 | seen_disp_event = TRUE; |
1332 | break; |
1333 | case 'E': /* move down N lines and CR */ |
1334 | compatibility(ANSI); |
1335 | move(0, curs.y + def(esc_args[0], 1), 1); |
1336 | seen_disp_event = TRUE; |
1337 | break; |
1338 | case 'F': /* move up N lines and CR */ |
1339 | compatibility(ANSI); |
1340 | move(0, curs.y - def(esc_args[0], 1), 1); |
1341 | seen_disp_event = TRUE; |
1342 | break; |
1343 | case 'G': |
1344 | case '`': /* set horizontal posn */ |
1345 | compatibility(ANSI); |
1346 | move(def(esc_args[0], 1) - 1, curs.y, 0); |
1347 | seen_disp_event = TRUE; |
1348 | break; |
1349 | case 'd': /* set vertical posn */ |
1350 | compatibility(ANSI); |
1351 | move(curs.x, |
1352 | (dec_om ? marg_t : 0) + def(esc_args[0], |
1353 | 1) - 1, |
1354 | (dec_om ? 2 : 0)); |
1355 | seen_disp_event = TRUE; |
1356 | break; |
1357 | case 'H': |
1358 | case 'f': /* set horz and vert posns at once */ |
1359 | if (esc_nargs < 2) |
1360 | esc_args[1] = ARG_DEFAULT; |
1361 | move(def(esc_args[1], 1) - 1, |
1362 | (dec_om ? marg_t : 0) + def(esc_args[0], |
1363 | 1) - 1, |
1364 | (dec_om ? 2 : 0)); |
1365 | seen_disp_event = TRUE; |
1366 | break; |
1367 | case 'J': /* erase screen or parts of it */ |
1368 | { |
1369 | unsigned int i = def(esc_args[0], 0) + 1; |
1370 | if (i > 3) |
1371 | i = 0; |
1372 | erase_lots(FALSE, !!(i & 2), !!(i & 1)); |
1373 | } |
1374 | disptop = 0; |
1375 | seen_disp_event = TRUE; |
1376 | break; |
1377 | case 'K': /* erase line or parts of it */ |
1378 | { |
1379 | unsigned int i = def(esc_args[0], 0) + 1; |
1380 | if (i > 3) |
1381 | i = 0; |
1382 | erase_lots(TRUE, !!(i & 2), !!(i & 1)); |
1383 | } |
1384 | seen_disp_event = TRUE; |
1385 | break; |
1386 | case 'L': /* insert lines */ |
1387 | compatibility(VT102); |
1388 | if (curs.y <= marg_b) |
1389 | scroll(curs.y, marg_b, -def(esc_args[0], 1), |
1390 | FALSE); |
1391 | fix_cpos; |
1392 | seen_disp_event = TRUE; |
1393 | break; |
1394 | case 'M': /* delete lines */ |
1395 | compatibility(VT102); |
1396 | if (curs.y <= marg_b) |
1397 | scroll(curs.y, marg_b, def(esc_args[0], 1), |
1398 | TRUE); |
1399 | fix_cpos; |
1400 | seen_disp_event = TRUE; |
1401 | break; |
1402 | case '@': /* insert chars */ |
1403 | /* XXX VTTEST says this is vt220, vt510 manual says vt102 */ |
1404 | compatibility(VT102); |
1405 | insch(def(esc_args[0], 1)); |
1406 | seen_disp_event = TRUE; |
1407 | break; |
1408 | case 'P': /* delete chars */ |
1409 | compatibility(VT102); |
1410 | insch(-def(esc_args[0], 1)); |
1411 | seen_disp_event = TRUE; |
1412 | break; |
1413 | case 'c': /* terminal type query */ |
1414 | compatibility(VT100); |
1415 | /* This is the response for a VT102 */ |
1416 | ldisc_send(id_string, strlen(id_string)); |
1417 | break; |
1418 | case 'n': /* cursor position query */ |
1419 | if (esc_args[0] == 6) { |
1420 | char buf[32]; |
1421 | sprintf(buf, "\033[%d;%dR", curs.y + 1, |
1422 | curs.x + 1); |
1423 | ldisc_send(buf, strlen(buf)); |
1424 | } else if (esc_args[0] == 5) { |
1425 | ldisc_send("\033[0n", 4); |
1426 | } |
1427 | break; |
1428 | case 'h': /* toggle modes to high */ |
1429 | case ANSI_QUE('h'): |
1430 | compatibility(VT100); |
1431 | { |
1432 | int i; |
1433 | for (i = 0; i < esc_nargs; i++) |
1434 | toggle_mode(esc_args[i], esc_query, TRUE); |
1435 | } |
1436 | break; |
1437 | case 'l': /* toggle modes to low */ |
1438 | case ANSI_QUE('l'): |
1439 | compatibility(VT100); |
1440 | { |
1441 | int i; |
1442 | for (i = 0; i < esc_nargs; i++) |
1443 | toggle_mode(esc_args[i], esc_query, FALSE); |
1444 | } |
1445 | break; |
1446 | case 'g': /* clear tabs */ |
1447 | compatibility(VT100); |
1448 | if (esc_nargs == 1) { |
1449 | if (esc_args[0] == 0) { |
1450 | tabs[curs.x] = FALSE; |
1451 | } else if (esc_args[0] == 3) { |
1452 | int i; |
1453 | for (i = 0; i < cols; i++) |
1454 | tabs[i] = FALSE; |
1455 | } |
1456 | } |
1457 | break; |
1458 | case 'r': /* set scroll margins */ |
1459 | compatibility(VT100); |
1460 | if (esc_nargs <= 2) { |
1461 | int top, bot; |
1462 | top = def(esc_args[0], 1) - 1; |
1463 | bot = (esc_nargs <= 1 |
1464 | || esc_args[1] == |
1465 | 0 ? rows : def(esc_args[1], rows)) - 1; |
1466 | if (bot >= rows) |
1467 | bot = rows - 1; |
1468 | /* VTTEST Bug 9 - if region is less than 2 lines |
1469 | * don't change region. |
1470 | */ |
1471 | if (bot - top > 0) { |
1472 | marg_t = top; |
1473 | marg_b = bot; |
1474 | curs.x = 0; |
1475 | /* |
1476 | * I used to think the cursor should be |
1477 | * placed at the top of the newly marginned |
1478 | * area. Apparently not: VMS TPU falls over |
1479 | * if so. |
1480 | * |
1481 | * Well actually it should for Origin mode - RDB |
1482 | */ |
1483 | curs.y = (dec_om ? marg_t : 0); |
1484 | fix_cpos; |
1485 | seen_disp_event = TRUE; |
1486 | } |
1487 | } |
1488 | break; |
1489 | case 'm': /* set graphics rendition */ |
1490 | { |
1491 | /* |
1492 | * A VT100 without the AVO only had one attribute, either |
1493 | * underline or reverse video depending on the cursor type, |
1494 | * this was selected by CSI 7m. |
1495 | * |
1496 | * case 2: |
1497 | * This is DIM on the VT100-AVO and VT102 |
1498 | * case 5: |
1499 | * This is BLINK on the VT100-AVO and VT102+ |
1500 | * case 8: |
1501 | * This is INVIS on the VT100-AVO and VT102 |
1502 | * case 21: |
1503 | * This like 22 disables BOLD, DIM and INVIS |
1504 | * |
1505 | * The ANSI colours appear on any terminal that has colour |
1506 | * (obviously) but the interaction between sgr0 and the |
1507 | * colours varies but is usually related to the background |
1508 | * colour erase item. |
1509 | * The interaction between colour attributes and the mono |
1510 | * ones is also very implementation dependent. |
1511 | * |
1512 | * The 39 and 49 attributes are likely to be unimplemented. |
1513 | */ |
1514 | int i; |
1515 | for (i = 0; i < esc_nargs; i++) { |
1516 | switch (def(esc_args[i], 0)) { |
1517 | case 0: /* restore defaults */ |
1518 | curr_attr = ATTR_DEFAULT; |
1519 | break; |
1520 | case 1: /* enable bold */ |
1521 | compatibility(VT100AVO); |
1522 | curr_attr |= ATTR_BOLD; |
1523 | break; |
1524 | case 21: /* (enable double underline) */ |
1525 | compatibility(OTHER); |
1526 | case 4: /* enable underline */ |
1527 | compatibility(VT100AVO); |
1528 | curr_attr |= ATTR_UNDER; |
1529 | break; |
1530 | case 5: /* enable blink */ |
1531 | compatibility(VT100AVO); |
1532 | curr_attr |= ATTR_BLINK; |
1533 | break; |
1534 | case 7: /* enable reverse video */ |
1535 | curr_attr |= ATTR_REVERSE; |
1536 | break; |
1537 | case 22: /* disable bold */ |
1538 | compatibility2(OTHER, VT220); |
1539 | curr_attr &= ~ATTR_BOLD; |
1540 | break; |
1541 | case 24: /* disable underline */ |
1542 | compatibility2(OTHER, VT220); |
1543 | curr_attr &= ~ATTR_UNDER; |
1544 | break; |
1545 | case 25: /* disable blink */ |
1546 | compatibility2(OTHER, VT220); |
1547 | curr_attr &= ~ATTR_BLINK; |
1548 | break; |
1549 | case 27: /* disable reverse video */ |
1550 | compatibility2(OTHER, VT220); |
1551 | curr_attr &= ~ATTR_REVERSE; |
1552 | break; |
1553 | case 30: |
1554 | case 31: |
1555 | case 32: |
1556 | case 33: |
1557 | case 34: |
1558 | case 35: |
1559 | case 36: |
1560 | case 37: |
1561 | /* foreground */ |
1562 | curr_attr &= ~ATTR_FGMASK; |
1563 | curr_attr |= |
1564 | (esc_args[i] - 30) << ATTR_FGSHIFT; |
1565 | break; |
1566 | case 39: /* default-foreground */ |
1567 | curr_attr &= ~ATTR_FGMASK; |
1568 | curr_attr |= ATTR_DEFFG; |
1569 | break; |
1570 | case 40: |
1571 | case 41: |
1572 | case 42: |
1573 | case 43: |
1574 | case 44: |
1575 | case 45: |
1576 | case 46: |
1577 | case 47: |
1578 | /* background */ |
1579 | curr_attr &= ~ATTR_BGMASK; |
1580 | curr_attr |= |
1581 | (esc_args[i] - 40) << ATTR_BGSHIFT; |
1582 | break; |
1583 | case 49: /* default-background */ |
1584 | curr_attr &= ~ATTR_BGMASK; |
1585 | curr_attr |= ATTR_DEFBG; |
1586 | break; |
1587 | } |
1588 | } |
1589 | if (use_bce) |
1590 | erase_char = |
1591 | (' ' | |
1592 | (curr_attr & |
1593 | (ATTR_FGMASK | ATTR_BGMASK | |
1594 | ATTR_BLINK))); |
1595 | } |
1596 | break; |
1597 | case 's': /* save cursor */ |
1598 | save_cursor(TRUE); |
1599 | break; |
1600 | case 'u': /* restore cursor */ |
1601 | save_cursor(FALSE); |
1602 | seen_disp_event = TRUE; |
1603 | break; |
1604 | case 't': /* set page size - ie window height */ |
374330e2 |
1605 | /* |
32874aea |
1606 | * VT340/VT420 sequence DECSLPP, DEC only allows values |
1607 | * 24/25/36/48/72/144 other emulators (eg dtterm) use |
1608 | * illegal values (eg first arg 1..9) for window changing |
1609 | * and reports. |
1610 | */ |
1611 | compatibility(VT340TEXT); |
1612 | if (esc_nargs <= 1 |
1613 | && (esc_args[0] < 1 || esc_args[0] >= 24)) { |
1614 | request_resize(cols, def(esc_args[0], 24), 0); |
1615 | deselect(); |
1616 | } |
1617 | break; |
1618 | case ANSI('|', '*'): |
1619 | /* VT420 sequence DECSNLS |
1620 | * Set number of lines on screen |
1621 | * VT420 uses VGA like hardware and can support any size in |
1622 | * reasonable range (24..49 AIUI) with no default specified. |
1623 | */ |
1624 | compatibility(VT420); |
1625 | if (esc_nargs == 1 && esc_args[0] > 0) { |
1626 | request_resize(cols, |
1627 | def(esc_args[0], cfg.height), |
1628 | 0); |
1629 | deselect(); |
1630 | } |
1631 | break; |
1632 | case ANSI('|', '$'): |
1633 | /* VT340/VT420 sequence DECSCPP |
1634 | * Set number of columns per page |
1635 | * Docs imply range is only 80 or 132, but I'll allow any. |
1636 | */ |
1637 | compatibility(VT340TEXT); |
1638 | if (esc_nargs <= 1) { |
1639 | request_resize(def(esc_args[0], cfg.width), |
1640 | rows, 0); |
1641 | deselect(); |
1642 | } |
1643 | break; |
1644 | case 'X': /* write N spaces w/o moving cursor */ |
1645 | /* XXX VTTEST says this is vt220, vt510 manual says vt100 */ |
1646 | compatibility(ANSIMIN); |
1647 | { |
1648 | int n = def(esc_args[0], 1); |
1649 | pos cursplus; |
1650 | unsigned long *p = cpos; |
1651 | if (n > cols - curs.x) |
1652 | n = cols - curs.x; |
1653 | cursplus = curs; |
1654 | cursplus.x += n; |
1655 | check_selection(curs, cursplus); |
1656 | while (n--) |
1657 | *p++ = erase_char; |
1658 | seen_disp_event = TRUE; |
1659 | } |
1660 | break; |
1661 | case 'x': /* report terminal characteristics */ |
1662 | compatibility(VT100); |
1663 | { |
1664 | char buf[32]; |
1665 | int i = def(esc_args[0], 0); |
1666 | if (i == 0 || i == 1) { |
1667 | strcpy(buf, "\033[2;1;1;112;112;1;0x"); |
1668 | buf[2] += i; |
1669 | ldisc_send(buf, 20); |
1670 | } |
1671 | } |
1672 | break; |
1673 | case ANSI('L', '='): |
1674 | compatibility(OTHER); |
1675 | use_bce = (esc_args[0] <= 0); |
1676 | erase_char = ERASE_CHAR; |
1677 | if (use_bce) |
1678 | erase_char = |
1679 | (' ' | |
1680 | (curr_attr & |
1681 | (ATTR_FGMASK | ATTR_BGMASK))); |
1682 | break; |
1683 | case ANSI('E', '='): |
1684 | compatibility(OTHER); |
1685 | blink_is_real = (esc_args[0] >= 1); |
1686 | break; |
1687 | case ANSI('p', '"'): |
1688 | /* Allow the host to make this emulator a 'perfect' VT102. |
1689 | * This first appeared in the VT220, but we do need to get |
1690 | * back to PuTTY mode so I won't check it. |
e14a5a13 |
1691 | * |
32874aea |
1692 | * The arg in 40..42 are a PuTTY extension. |
1693 | * The 2nd arg, 8bit vs 7bit is not checked. |
1694 | * |
1695 | * Setting VT102 mode should also change the Fkeys to |
1696 | * generate PF* codes as a real VT102 has no Fkeys. |
1697 | * The VT220 does this, F11..F13 become ESC,BS,LF other Fkeys |
1698 | * send nothing. |
1699 | * |
1700 | * Note ESC c will NOT change this! |
374330e2 |
1701 | */ |
32874aea |
1702 | |
1703 | switch (esc_args[0]) { |
1704 | case 61: |
1705 | compatibility_level &= ~TM_VTXXX; |
1706 | compatibility_level |= TM_VT102; |
374330e2 |
1707 | break; |
32874aea |
1708 | case 62: |
1709 | compatibility_level &= ~TM_VTXXX; |
1710 | compatibility_level |= TM_VT220; |
1711 | break; |
1712 | |
1713 | default: |
1714 | if (esc_args[0] > 60 && esc_args[0] < 70) |
1715 | compatibility_level |= TM_VTXXX; |
1716 | break; |
1717 | |
1718 | case 40: |
1719 | compatibility_level &= TM_VTXXX; |
374330e2 |
1720 | break; |
32874aea |
1721 | case 41: |
1722 | compatibility_level = TM_PUTTY; |
374330e2 |
1723 | break; |
32874aea |
1724 | case 42: |
1725 | compatibility_level = TM_SCOANSI; |
374330e2 |
1726 | break; |
32874aea |
1727 | |
1728 | case ARG_DEFAULT: |
1729 | compatibility_level = TM_PUTTY; |
1730 | break; |
1731 | case 50: |
1732 | break; |
1733 | } |
1734 | |
1735 | /* Change the response to CSI c */ |
1736 | if (esc_args[0] == 50) { |
1737 | int i; |
1738 | char lbuf[64]; |
1739 | strcpy(id_string, "\033[?"); |
1740 | for (i = 1; i < esc_nargs; i++) { |
1741 | if (i != 1) |
1742 | strcat(id_string, ";"); |
1743 | sprintf(lbuf, "%d", esc_args[i]); |
1744 | strcat(id_string, lbuf); |
1745 | } |
1746 | strcat(id_string, "c"); |
1747 | } |
1748 | #if 0 |
1749 | /* Is this a good idea ? |
1750 | * Well we should do a soft reset at this point ... |
1751 | */ |
1752 | if (!has_compat(VT420) && has_compat(VT100)) { |
1753 | if (reset_132) |
1754 | request_resize(132, 24, 1); |
1755 | else |
1756 | request_resize(80, 24, 1); |
374330e2 |
1757 | } |
32874aea |
1758 | #endif |
1759 | break; |
374330e2 |
1760 | } |
374330e2 |
1761 | break; |
32874aea |
1762 | case SET_GL: |
1763 | case SET_GR: |
1764 | /* VT100 only here, checked above */ |
1765 | switch (c) { |
1766 | case 'A': |
1767 | cset_attr[termstate == SET_GL ? 0 : 1] = ATTR_GBCHR; |
1768 | break; |
1769 | case '0': |
1770 | cset_attr[termstate == SET_GL ? 0 : 1] = ATTR_LINEDRW; |
1771 | break; |
1772 | case 'B': |
1773 | default: /* specifically, 'B' */ |
1774 | cset_attr[termstate == SET_GL ? 0 : 1] = ATTR_ASCII; |
1775 | break; |
e14a5a13 |
1776 | } |
32874aea |
1777 | if (!has_compat(VT220) || c != '%') |
1778 | termstate = TOPLEVEL; |
e14a5a13 |
1779 | break; |
32874aea |
1780 | case SEEN_OSC: |
1781 | osc_w = FALSE; |
1782 | switch (c) { |
1783 | case 'P': /* Linux palette sequence */ |
1784 | termstate = SEEN_OSC_P; |
1785 | osc_strlen = 0; |
1786 | break; |
1787 | case 'R': /* Linux palette reset */ |
1788 | palette_reset(); |
1789 | term_invalidate(); |
1790 | termstate = TOPLEVEL; |
1791 | break; |
1792 | case 'W': /* word-set */ |
1793 | termstate = SEEN_OSC_W; |
1794 | osc_w = TRUE; |
1795 | break; |
1796 | case '0': |
1797 | case '1': |
1798 | case '2': |
1799 | case '3': |
1800 | case '4': |
1801 | case '5': |
1802 | case '6': |
1803 | case '7': |
1804 | case '8': |
1805 | case '9': |
1806 | esc_args[0] = 10 * esc_args[0] + c - '0'; |
1807 | break; |
1808 | case 'L': |
1809 | /* |
1810 | * Grotty hack to support xterm and DECterm title |
1811 | * sequences concurrently. |
1812 | */ |
1813 | if (esc_args[0] == 2) { |
1814 | esc_args[0] = 1; |
1815 | break; |
1816 | } |
1817 | /* else fall through */ |
1818 | default: |
1819 | termstate = OSC_STRING; |
1820 | osc_strlen = 0; |
e14a5a13 |
1821 | } |
1822 | break; |
32874aea |
1823 | case OSC_STRING: |
1824 | /* |
1825 | * This OSC stuff is EVIL. It takes just one character to get into |
1826 | * sysline mode and it's not initially obvious how to get out. |
1827 | * So I've added CR and LF as string aborts. |
1828 | * This shouldn't effect compatibility as I believe embedded |
1829 | * control characters are supposed to be interpreted (maybe?) |
1830 | * and they don't display anything useful anyway. |
1831 | * |
1832 | * -- RDB |
e14a5a13 |
1833 | */ |
32874aea |
1834 | if (c == '\n' || c == '\r') { |
1835 | termstate = TOPLEVEL; |
1836 | } else if (c == 0234 || c == '\007') { |
1837 | /* |
1838 | * These characters terminate the string; ST and BEL |
1839 | * terminate the sequence and trigger instant |
1840 | * processing of it, whereas ESC goes back to SEEN_ESC |
1841 | * mode unless it is followed by \, in which case it is |
1842 | * synonymous with ST in the first place. |
1843 | */ |
1844 | do_osc(); |
1845 | termstate = TOPLEVEL; |
1846 | } else if (c == '\033') |
1847 | termstate = OSC_MAYBE_ST; |
1848 | else if (osc_strlen < OSC_STR_MAX) |
1849 | osc_string[osc_strlen++] = c; |
374330e2 |
1850 | break; |
32874aea |
1851 | case SEEN_OSC_P: |
374330e2 |
1852 | { |
32874aea |
1853 | int max = (osc_strlen == 0 ? 21 : 16); |
1854 | int val; |
1855 | if (c >= '0' && c <= '9') |
1856 | val = c - '0'; |
1857 | else if (c >= 'A' && c <= 'A' + max - 10) |
1858 | val = c - 'A' + 10; |
1859 | else if (c >= 'a' && c <= 'a' + max - 10) |
1860 | val = c - 'a' + 10; |
1861 | else |
1862 | termstate = TOPLEVEL; |
1863 | osc_string[osc_strlen++] = val; |
1864 | if (osc_strlen >= 7) { |
1865 | palette_set(osc_string[0], |
1866 | osc_string[1] * 16 + osc_string[2], |
1867 | osc_string[3] * 16 + osc_string[4], |
1868 | osc_string[5] * 16 + osc_string[6]); |
1869 | term_invalidate(); |
1870 | termstate = TOPLEVEL; |
374330e2 |
1871 | } |
1872 | } |
1873 | break; |
32874aea |
1874 | case SEEN_OSC_W: |
1875 | switch (c) { |
1876 | case '0': |
1877 | case '1': |
1878 | case '2': |
1879 | case '3': |
1880 | case '4': |
1881 | case '5': |
1882 | case '6': |
1883 | case '7': |
1884 | case '8': |
1885 | case '9': |
1886 | esc_args[0] = 10 * esc_args[0] + c - '0'; |
1887 | break; |
1888 | default: |
1889 | termstate = OSC_STRING; |
1890 | osc_strlen = 0; |
ec55b220 |
1891 | } |
32874aea |
1892 | break; |
1893 | case SEEN_ESCHASH: |
1894 | { |
1895 | unsigned long nlattr; |
1896 | unsigned long *ldata; |
1897 | int i, j; |
1898 | pos scrtop, scrbot; |
1899 | |
1900 | switch (c) { |
1901 | case '8': |
1902 | for (i = 0; i < rows; i++) { |
1903 | ldata = lineptr(i); |
1904 | for (j = 0; j < cols; j++) |
1905 | ldata[j] = ATTR_DEFAULT | 'E'; |
1906 | ldata[cols] = 0; |
1907 | } |
1908 | disptop = 0; |
1909 | seen_disp_event = TRUE; |
1910 | scrtop.x = scrtop.y = 0; |
1911 | scrbot.x = 0; |
1912 | scrbot.y = rows; |
1913 | check_selection(scrtop, scrbot); |
1914 | break; |
1915 | |
1916 | case '3': |
1917 | case '4': |
1918 | case '5': |
1919 | case '6': |
1920 | switch (c) { |
1921 | case '3': |
1922 | nlattr = LATTR_TOP; |
1923 | break; |
1924 | case '4': |
1925 | nlattr = LATTR_BOT; |
1926 | break; |
1927 | case '5': |
1928 | nlattr = LATTR_NORM; |
1929 | break; |
1930 | case '6': |
1931 | nlattr = LATTR_WIDE; |
1932 | break; |
1933 | } |
ec55b220 |
1934 | |
32874aea |
1935 | ldata = lineptr(curs.y); |
1936 | ldata[cols] &= ~LATTR_MODE; |
1937 | ldata[cols] |= nlattr; |
1938 | } |
ec55b220 |
1939 | } |
374330e2 |
1940 | termstate = TOPLEVEL; |
1941 | break; |
32874aea |
1942 | case VT52_ESC: |
374330e2 |
1943 | termstate = TOPLEVEL; |
32874aea |
1944 | seen_disp_event = TRUE; |
c9def1b8 |
1945 | switch (c) { |
32874aea |
1946 | case 'A': |
1947 | move(curs.x, curs.y - 1, 1); |
1948 | break; |
1949 | case 'B': |
1950 | move(curs.x, curs.y + 1, 1); |
1951 | break; |
1952 | case 'C': |
1953 | move(curs.x + 1, curs.y, 1); |
1954 | break; |
1955 | case 'D': |
1956 | move(curs.x - 1, curs.y, 1); |
1957 | break; |
1958 | case 'F': |
1959 | cset_attr[cset = 0] = ATTR_LINEDRW; |
1960 | break; |
1961 | case 'G': |
1962 | cset_attr[cset = 0] = ATTR_ASCII; |
1963 | break; |
1964 | case 'H': |
1965 | move(0, 0, 0); |
1966 | break; |
1967 | case 'I': |
1968 | if (curs.y == 0) |
1969 | scroll(0, rows - 1, -1, TRUE); |
1970 | else if (curs.y > 0) |
1971 | curs.y--; |
1972 | fix_cpos; |
1973 | wrapnext = FALSE; |
1974 | break; |
1975 | case 'J': |
1976 | erase_lots(FALSE, FALSE, TRUE); |
4facdf84 |
1977 | disptop = 0; |
c9def1b8 |
1978 | break; |
32874aea |
1979 | case 'K': |
1980 | erase_lots(TRUE, FALSE, TRUE); |
1981 | break; |
1982 | case 'V': |
1983 | /* XXX Print cursor line */ |
1984 | break; |
1985 | case 'W': |
1986 | /* XXX Start controller mode */ |
1987 | break; |
1988 | case 'X': |
1989 | /* XXX Stop controller mode */ |
1990 | break; |
1991 | case 'Y': |
1992 | termstate = VT52_Y1; |
1993 | break; |
1994 | case 'Z': |
1995 | ldisc_send("\033/Z", 3); |
1996 | break; |
1997 | case '=': |
1998 | app_keypad_keys = TRUE; |
1999 | break; |
2000 | case '>': |
2001 | app_keypad_keys = FALSE; |
2002 | break; |
2003 | case '<': |
2004 | /* XXX This should switch to VT100 mode not current or default |
2005 | * VT mode. But this will only have effect in a VT220+ |
2006 | * emulation. |
2007 | */ |
2008 | vt52_mode = FALSE; |
2009 | break; |
2010 | case '^': |
2011 | /* XXX Enter auto print mode */ |
2012 | break; |
2013 | case '_': |
2014 | /* XXX Exit auto print mode */ |
2015 | break; |
2016 | case ']': |
2017 | /* XXX Print screen */ |
2018 | break; |
c9def1b8 |
2019 | } |
e14a5a13 |
2020 | break; |
32874aea |
2021 | case VT52_Y1: |
2022 | termstate = VT52_Y2; |
2023 | move(curs.x, c - ' ', 0); |
e14a5a13 |
2024 | break; |
32874aea |
2025 | case VT52_Y2: |
2026 | termstate = TOPLEVEL; |
2027 | move(c - ' ', curs.y, 0); |
e14a5a13 |
2028 | break; |
2029 | } |
4facdf84 |
2030 | if (selstate != NO_SELECTION) { |
2031 | pos cursplus = curs; |
2032 | incpos(cursplus); |
32874aea |
2033 | check_selection(curs, cursplus); |
4facdf84 |
2034 | } |
374330e2 |
2035 | } |
c9def1b8 |
2036 | inbuf_head = 0; |
374330e2 |
2037 | } |
2038 | |
2039 | /* |
2040 | * Compare two lines to determine whether they are sufficiently |
2041 | * alike to scroll-optimise one to the other. Return the degree of |
2042 | * similarity. |
2043 | */ |
32874aea |
2044 | static int linecmp(unsigned long *a, unsigned long *b) |
2045 | { |
374330e2 |
2046 | int i, n; |
2047 | |
32874aea |
2048 | for (i = n = 0; i < cols; i++) |
374330e2 |
2049 | n += (*a++ == *b++); |
2050 | return n; |
2051 | } |
2052 | |
2053 | /* |
2054 | * Given a context, update the window. Out of paranoia, we don't |
2055 | * allow WM_PAINT responses to do scrolling optimisations. |
2056 | */ |
32874aea |
2057 | static void do_paint(Context ctx, int may_optimise) |
2058 | { |
374330e2 |
2059 | int i, j, start, our_curs_y; |
2060 | unsigned long attr, rv, cursor; |
4facdf84 |
2061 | pos scrpos; |
374330e2 |
2062 | char ch[1024]; |
156686ef |
2063 | long ticks; |
374330e2 |
2064 | |
156686ef |
2065 | /* |
2066 | * Check the visual bell state. |
2067 | */ |
2068 | if (in_vbell) { |
2069 | ticks = GetTickCount(); |
2070 | if (ticks - vbell_timeout >= 0) |
2071 | in_vbell = FALSE; |
2072 | } |
2073 | |
2074 | /* Depends on: |
2075 | * screen array, disptop, scrtop, |
2076 | * selection, rv, |
2077 | * cfg.blinkpc, blink_is_real, tblinker, |
4facdf84 |
2078 | * curs.y, curs.x, blinker, cfg.blink_cur, cursor_on, has_focus |
156686ef |
2079 | */ |
e14a5a13 |
2080 | if (cursor_on) { |
32874aea |
2081 | if (has_focus) { |
217dceef |
2082 | if (blinker || !cfg.blink_cur) |
32874aea |
2083 | cursor = ATTR_ACTCURS; |
2084 | else |
2085 | cursor = 0; |
2086 | } else |
2087 | cursor = ATTR_PASCURS; |
4e30ff69 |
2088 | if (wrapnext) |
2089 | cursor |= ATTR_RIGHTCURS; |
32874aea |
2090 | } else |
156686ef |
2091 | cursor = 0; |
2092 | rv = (!rvideo ^ !in_vbell ? ATTR_REVERSE : 0); |
4facdf84 |
2093 | our_curs_y = curs.y - disptop; |
374330e2 |
2094 | |
32874aea |
2095 | for (i = 0; i < rows; i++) { |
4facdf84 |
2096 | unsigned long *ldata; |
2097 | int lattr; |
2098 | scrpos.y = i + disptop; |
2099 | ldata = lineptr(scrpos.y); |
2100 | lattr = (ldata[cols] & LATTR_MODE); |
32874aea |
2101 | for (j = 0; j <= cols; j++) { |
4facdf84 |
2102 | unsigned long d = ldata[j]; |
32874aea |
2103 | int idx = i * (cols + 1) + j; |
4facdf84 |
2104 | scrpos.x = j; |
32874aea |
2105 | |
2106 | wanttext[idx] = lattr | (((d & ~ATTR_WRAPPED) ^ rv |
4facdf84 |
2107 | ^ (posle(selstart, scrpos) && |
2108 | poslt(scrpos, selend) ? |
2109 | ATTR_REVERSE : 0)) | |
32874aea |
2110 | (i == our_curs_y |
2111 | && j == curs.x ? cursor : 0)); |
c9def1b8 |
2112 | if (blink_is_real) { |
32874aea |
2113 | if (has_focus && tblinker && (wanttext[idx] & ATTR_BLINK)) { |
c9def1b8 |
2114 | wanttext[idx] &= ATTR_MASK; |
2115 | wanttext[idx] += ' '; |
2116 | } |
2117 | wanttext[idx] &= ~ATTR_BLINK; |
2118 | } |
374330e2 |
2119 | } |
2120 | } |
2121 | |
2122 | /* |
2123 | * We would perform scrolling optimisations in here, if they |
2124 | * didn't have a nasty tendency to cause the whole sodding |
2125 | * program to hang for a second at speed-critical moments. |
2126 | * We'll leave it well alone... |
2127 | */ |
2128 | |
32874aea |
2129 | for (i = 0; i < rows; i++) { |
2130 | int idx = i * (cols + 1); |
2131 | int lattr = (wanttext[idx + cols] & LATTR_MODE); |
374330e2 |
2132 | start = -1; |
32874aea |
2133 | for (j = 0; j <= cols; j++, idx++) { |
374330e2 |
2134 | unsigned long t = wanttext[idx]; |
2135 | int needs_update = (j < cols && t != disptext[idx]); |
2136 | int keep_going = (start != -1 && needs_update && |
2137 | (t & ATTR_MASK) == attr && |
32874aea |
2138 | j - start < sizeof(ch)); |
374330e2 |
2139 | if (start != -1 && !keep_going) { |
32874aea |
2140 | do_text(ctx, start, i, ch, j - start, attr, lattr); |
374330e2 |
2141 | start = -1; |
2142 | } |
2143 | if (needs_update) { |
2144 | if (start == -1) { |
2145 | start = j; |
2146 | attr = t & ATTR_MASK; |
2147 | } |
32874aea |
2148 | ch[j - start] = (char) (t & CHAR_MASK); |
374330e2 |
2149 | } |
2150 | disptext[idx] = t; |
2151 | } |
2152 | } |
2153 | } |
2154 | |
2155 | /* |
e14a5a13 |
2156 | * Flick the switch that says if blinking things should be shown or hidden. |
2157 | */ |
2158 | |
32874aea |
2159 | void term_blink(int flg) |
2160 | { |
22dcdc3b |
2161 | static long last_blink = 0; |
2162 | static long last_tblink = 0; |
e14a5a13 |
2163 | long now, blink_diff; |
2164 | |
c9def1b8 |
2165 | now = GetTickCount(); |
32874aea |
2166 | blink_diff = now - last_tblink; |
c9def1b8 |
2167 | |
2168 | /* Make sure the text blinks no more than 2Hz */ |
32874aea |
2169 | if (blink_diff < 0 || blink_diff > 450) { |
2170 | last_tblink = now; |
c9def1b8 |
2171 | tblinker = !tblinker; |
2172 | } |
2173 | |
e14a5a13 |
2174 | if (flg) { |
32874aea |
2175 | blinker = 1; |
2176 | last_blink = now; |
e14a5a13 |
2177 | return; |
32874aea |
2178 | } |
e14a5a13 |
2179 | |
32874aea |
2180 | blink_diff = now - last_blink; |
e14a5a13 |
2181 | |
22dcdc3b |
2182 | /* Make sure the cursor blinks no faster than GetCaretBlinkTime() */ |
32874aea |
2183 | if (blink_diff >= 0 && blink_diff < (long) GetCaretBlinkTime()) |
2184 | return; |
2185 | |
e14a5a13 |
2186 | last_blink = now; |
2187 | blinker = !blinker; |
2188 | } |
2189 | |
2190 | /* |
374330e2 |
2191 | * Invalidate the whole screen so it will be repainted in full. |
2192 | */ |
32874aea |
2193 | void term_invalidate(void) |
2194 | { |
374330e2 |
2195 | int i; |
2196 | |
32874aea |
2197 | for (i = 0; i < rows * (cols + 1); i++) |
374330e2 |
2198 | disptext[i] = ATTR_INVALID; |
2199 | } |
2200 | |
2201 | /* |
2202 | * Paint the window in response to a WM_PAINT message. |
2203 | */ |
32874aea |
2204 | void term_paint(Context ctx, int l, int t, int r, int b) |
2205 | { |
374330e2 |
2206 | int i, j, left, top, right, bottom; |
2207 | |
2208 | left = l / font_width; |
2209 | right = (r - 1) / font_width; |
2210 | top = t / font_height; |
2211 | bottom = (b - 1) / font_height; |
32874aea |
2212 | for (i = top; i <= bottom && i < rows; i++) { |
2213 | if ((disptext[i * (cols + 1) + cols] & LATTR_MODE) == LATTR_NORM) |
2214 | for (j = left; j <= right && j < cols; j++) |
2215 | disptext[i * (cols + 1) + j] = ATTR_INVALID; |
c9def1b8 |
2216 | else |
32874aea |
2217 | for (j = left / 2; j <= right / 2 + 1 && j < cols; j++) |
2218 | disptext[i * (cols + 1) + j] = ATTR_INVALID; |
c9def1b8 |
2219 | } |
374330e2 |
2220 | |
e14a5a13 |
2221 | /* This should happen soon enough, also for some reason it sometimes |
2222 | * fails to actually do anything when re-sizing ... painting the wrong |
2223 | * window perhaps ? |
32874aea |
2224 | do_paint (ctx, FALSE); |
2225 | */ |
374330e2 |
2226 | } |
2227 | |
2228 | /* |
2229 | * Attempt to scroll the scrollback. The second parameter gives the |
2230 | * position we want to scroll to; the first is +1 to denote that |
2231 | * this position is relative to the beginning of the scrollback, -1 |
2232 | * to denote it is relative to the end, and 0 to denote that it is |
2233 | * relative to the current position. |
2234 | */ |
32874aea |
2235 | void term_scroll(int rel, int where) |
2236 | { |
4facdf84 |
2237 | int sbtop = -count234(scrollback); |
374330e2 |
2238 | |
32874aea |
2239 | disptop = (rel < 0 ? 0 : rel > 0 ? sbtop : disptop) + where; |
374330e2 |
2240 | if (disptop < sbtop) |
2241 | disptop = sbtop; |
4facdf84 |
2242 | if (disptop > 0) |
2243 | disptop = 0; |
374330e2 |
2244 | update_sbar(); |
2245 | term_update(); |
2246 | } |
2247 | |
32874aea |
2248 | static void clipme(pos top, pos bottom, char *workbuf) |
2249 | { |
2250 | char *wbptr; /* where next char goes within workbuf */ |
2251 | int wblen = 0; /* workbuf len */ |
2252 | int buflen; /* amount of memory allocated to workbuf */ |
bc1235d4 |
2253 | |
32874aea |
2254 | if (workbuf != NULL) { /* user supplied buffer? */ |
2255 | buflen = -1; /* assume buffer passed in is big enough */ |
2256 | wbptr = workbuf; /* start filling here */ |
2257 | } else |
2258 | buflen = 0; /* No data is available yet */ |
bc1235d4 |
2259 | |
4facdf84 |
2260 | while (poslt(top, bottom)) { |
bc1235d4 |
2261 | int nl = FALSE; |
4facdf84 |
2262 | unsigned long *ldata = lineptr(top.y); |
260f3dec |
2263 | pos nlpos; |
4facdf84 |
2264 | |
2265 | nlpos.y = top.y; |
2266 | nlpos.x = cols; |
bc1235d4 |
2267 | |
4facdf84 |
2268 | if (!(ldata[cols] & ATTR_WRAPPED)) { |
32874aea |
2269 | while ((ldata[nlpos.x - 1] & CHAR_MASK) == 0x20 |
2270 | && poslt(top, nlpos)) decpos(nlpos); |
4facdf84 |
2271 | if (poslt(nlpos, bottom)) |
bc1235d4 |
2272 | nl = TRUE; |
2273 | } |
4facdf84 |
2274 | while (poslt(top, bottom) && poslt(top, nlpos)) { |
2275 | int ch = (ldata[top.x] & CHAR_MASK); |
2276 | int set = (ldata[top.x] & CSET_MASK); |
d3a22f79 |
2277 | |
2278 | /* VT Specials -> ISO8859-1 for Cut&Paste */ |
2279 | static const unsigned char poorman2[] = |
32874aea |
2280 | "* # HTFFCRLF\xB0 \xB1 NLVT+ + + + + - - - - - + + + + | <=>=PI!=\xA3 \xB7 "; |
bc1235d4 |
2281 | |
d3a22f79 |
2282 | if (set && !cfg.rawcnp) { |
32874aea |
2283 | if (set == ATTR_LINEDRW && ch >= 0x60 && ch < 0x7F) { |
d3a22f79 |
2284 | int x; |
32874aea |
2285 | if ((x = poorman2[2 * (ch - 0x60) + 1]) == ' ') |
2286 | x = 0; |
2287 | ch = (x << 8) + poorman2[2 * (ch - 0x60)]; |
2288 | } |
d3a22f79 |
2289 | } |
bc1235d4 |
2290 | |
32874aea |
2291 | while (ch != 0) { |
2292 | if (cfg.rawcnp || !!(ch & 0xE0)) { |
2293 | if (wblen == buflen) { |
2294 | workbuf = srealloc(workbuf, buflen += 100); |
2295 | wbptr = workbuf + wblen; |
d3a22f79 |
2296 | } |
2297 | wblen++; |
2298 | *wbptr++ = (unsigned char) ch; |
2299 | } |
32874aea |
2300 | ch >>= 8; |
bc1235d4 |
2301 | } |
4facdf84 |
2302 | top.x++; |
bc1235d4 |
2303 | } |
2304 | if (nl) { |
2305 | int i; |
32874aea |
2306 | for (i = 0; i < sizeof(sel_nl); i++) { |
2307 | if (wblen == buflen) { |
bc1235d4 |
2308 | workbuf = srealloc(workbuf, buflen += 100); |
2309 | wbptr = workbuf + wblen; |
2310 | } |
32874aea |
2311 | wblen++; |
bc1235d4 |
2312 | *wbptr++ = sel_nl[i]; |
2313 | } |
2314 | } |
4facdf84 |
2315 | top.y++; |
2316 | top.x = 0; |
bc1235d4 |
2317 | } |
32874aea |
2318 | write_clip(workbuf, wblen, FALSE); /* transfer to clipboard */ |
2319 | if (buflen > 0) /* indicates we allocated this buffer */ |
bc1235d4 |
2320 | sfree(workbuf); |
2321 | |
2322 | } |
32874aea |
2323 | void term_copyall(void) |
2324 | { |
4facdf84 |
2325 | pos top; |
2326 | top.y = -count234(scrollback); |
2327 | top.x = 0; |
32874aea |
2328 | clipme(top, curs, NULL /* dynamic allocation */ ); |
bc1235d4 |
2329 | } |
2330 | |
374330e2 |
2331 | /* |
2332 | * Spread the selection outwards according to the selection mode. |
2333 | */ |
32874aea |
2334 | static pos sel_spread_half(pos p, int dir) |
2335 | { |
4facdf84 |
2336 | unsigned long *ldata; |
374330e2 |
2337 | short wvalue; |
2338 | |
4facdf84 |
2339 | ldata = lineptr(p.y); |
374330e2 |
2340 | |
2341 | switch (selmode) { |
2342 | case SM_CHAR: |
2343 | /* |
2344 | * In this mode, every character is a separate unit, except |
2345 | * for runs of spaces at the end of a non-wrapping line. |
2346 | */ |
4facdf84 |
2347 | if (!(ldata[cols] & ATTR_WRAPPED)) { |
32874aea |
2348 | unsigned long *q = ldata + cols; |
4facdf84 |
2349 | while (q > ldata && (q[-1] & CHAR_MASK) == 0x20) |
374330e2 |
2350 | q--; |
32874aea |
2351 | if (q == ldata + cols) |
374330e2 |
2352 | q--; |
32874aea |
2353 | if (p.x >= q - ldata) |
2354 | p.x = (dir == -1 ? q - ldata : cols - 1); |
374330e2 |
2355 | } |
2356 | break; |
2357 | case SM_WORD: |
2358 | /* |
2359 | * In this mode, the units are maximal runs of characters |
2360 | * whose `wordness' has the same value. |
2361 | */ |
4facdf84 |
2362 | wvalue = wordness[ldata[p.x] & CHAR_MASK]; |
374330e2 |
2363 | if (dir == +1) { |
32874aea |
2364 | while (p.x < cols |
2365 | && wordness[ldata[p.x + 1] & CHAR_MASK] == |
2366 | wvalue) p.x++; |
374330e2 |
2367 | } else { |
32874aea |
2368 | while (p.x > 0 |
2369 | && wordness[ldata[p.x - 1] & CHAR_MASK] == |
2370 | wvalue) p.x--; |
374330e2 |
2371 | } |
2372 | break; |
2373 | case SM_LINE: |
2374 | /* |
2375 | * In this mode, every line is a unit. |
2376 | */ |
4facdf84 |
2377 | p.x = (dir == -1 ? 0 : cols - 1); |
374330e2 |
2378 | break; |
2379 | } |
2380 | return p; |
2381 | } |
2382 | |
32874aea |
2383 | static void sel_spread(void) |
2384 | { |
2385 | selstart = sel_spread_half(selstart, -1); |
4facdf84 |
2386 | decpos(selend); |
32874aea |
2387 | selend = sel_spread_half(selend, +1); |
4facdf84 |
2388 | incpos(selend); |
374330e2 |
2389 | } |
2390 | |
32874aea |
2391 | void term_mouse(Mouse_Button b, Mouse_Action a, int x, int y, |
2392 | int shift, int ctrl) |
2393 | { |
4facdf84 |
2394 | pos selpoint; |
2395 | unsigned long *ldata; |
32874aea |
2396 | |
2397 | if (y < 0) |
2398 | y = 0; |
2399 | if (y >= rows) |
2400 | y = rows - 1; |
2401 | if (x < 0) { |
2402 | if (y > 0) { |
2403 | x = cols - 1; |
2404 | y--; |
2405 | } else |
2406 | x = 0; |
094ed2a6 |
2407 | } |
32874aea |
2408 | if (x >= cols) |
2409 | x = cols - 1; |
37508af4 |
2410 | |
4facdf84 |
2411 | selpoint.y = y + disptop; |
2412 | selpoint.x = x; |
2413 | ldata = lineptr(selpoint.y); |
32874aea |
2414 | if ((ldata[cols] & LATTR_MODE) != LATTR_NORM) |
4facdf84 |
2415 | selpoint.x /= 2; |
374330e2 |
2416 | |
01c034ad |
2417 | if (xterm_mouse) { |
2418 | int encstate = 0, r, c; |
2419 | char abuf[16]; |
2420 | static int is_down = 0; |
2421 | |
32874aea |
2422 | switch (b) { |
01c034ad |
2423 | case MBT_LEFT: |
32874aea |
2424 | encstate = 0x20; /* left button down */ |
01c034ad |
2425 | break; |
2426 | case MBT_MIDDLE: |
2427 | encstate = 0x21; |
2428 | break; |
2429 | case MBT_RIGHT: |
2430 | encstate = 0x22; |
2431 | break; |
2432 | case MBT_WHEEL_UP: |
2433 | encstate = 0x60; |
2434 | break; |
2435 | case MBT_WHEEL_DOWN: |
2436 | encstate = 0x61; |
2437 | break; |
2438 | } |
32874aea |
2439 | switch (a) { |
01c034ad |
2440 | case MA_DRAG: |
2441 | if (xterm_mouse == 1) |
2442 | return; |
2443 | encstate += 0x20; |
2444 | break; |
2445 | case MA_RELEASE: |
2446 | encstate = 0x23; |
2447 | is_down = 0; |
2448 | break; |
2449 | case MA_CLICK: |
2450 | if (is_down == b) |
2451 | return; |
2452 | is_down = b; |
2453 | break; |
2454 | } |
2455 | if (shift) |
2456 | encstate += 0x04; |
2457 | if (ctrl) |
2458 | encstate += 0x10; |
2459 | r = y + 33; |
2460 | c = x + 33; |
2461 | |
2462 | sprintf(abuf, "\033[M%c%c%c", encstate, c, r); |
2463 | ldisc_send(abuf, 6); |
2464 | return; |
2465 | } |
2466 | |
2467 | b = translate_button(b); |
2468 | |
2469 | if (b == MBT_SELECT && a == MA_CLICK) { |
374330e2 |
2470 | deselect(); |
2471 | selstate = ABOUT_TO; |
2472 | selanchor = selpoint; |
2473 | selmode = SM_CHAR; |
01c034ad |
2474 | } else if (b == MBT_SELECT && (a == MA_2CLK || a == MA_3CLK)) { |
374330e2 |
2475 | deselect(); |
2476 | selmode = (a == MA_2CLK ? SM_WORD : SM_LINE); |
2477 | selstate = DRAGGING; |
2478 | selstart = selanchor = selpoint; |
4facdf84 |
2479 | selend = selstart; |
2480 | incpos(selend); |
374330e2 |
2481 | sel_spread(); |
01c034ad |
2482 | } else if ((b == MBT_SELECT && a == MA_DRAG) || |
2483 | (b == MBT_EXTEND && a != MA_RELEASE)) { |
4facdf84 |
2484 | if (selstate == ABOUT_TO && poseq(selanchor, selpoint)) |
374330e2 |
2485 | return; |
01c034ad |
2486 | if (b == MBT_EXTEND && a != MA_DRAG && selstate == SELECTED) { |
32874aea |
2487 | if (posdiff(selpoint, selstart) < |
2488 | posdiff(selend, selstart) / 2) { |
4facdf84 |
2489 | selanchor = selend; |
2490 | decpos(selanchor); |
2491 | } else { |
374330e2 |
2492 | selanchor = selstart; |
4facdf84 |
2493 | } |
374330e2 |
2494 | selstate = DRAGGING; |
2495 | } |
2496 | if (selstate != ABOUT_TO && selstate != DRAGGING) |
2497 | selanchor = selpoint; |
2498 | selstate = DRAGGING; |
4facdf84 |
2499 | if (poslt(selpoint, selanchor)) { |
374330e2 |
2500 | selstart = selpoint; |
4facdf84 |
2501 | selend = selanchor; |
2502 | incpos(selend); |
374330e2 |
2503 | } else { |
2504 | selstart = selanchor; |
4facdf84 |
2505 | selend = selpoint; |
a4450583 |
2506 | incpos(selend); |
374330e2 |
2507 | } |
2508 | sel_spread(); |
01c034ad |
2509 | } else if ((b == MBT_SELECT || b == MBT_EXTEND) && a == MA_RELEASE) { |
374330e2 |
2510 | if (selstate == DRAGGING) { |
2511 | /* |
2512 | * We've completed a selection. We now transfer the |
2513 | * data to the clipboard. |
2514 | */ |
bc1235d4 |
2515 | clipme(selstart, selend, selspace); |
374330e2 |
2516 | selstate = SELECTED; |
2517 | } else |
2518 | selstate = NO_SELECTION; |
32874aea |
2519 | } else if (b == MBT_PASTE |
2520 | && (a == MA_CLICK || a == MA_2CLK || a == MA_3CLK)) { |
374330e2 |
2521 | char *data; |
2522 | int len; |
2523 | |
2524 | get_clip((void **) &data, &len); |
2525 | if (data) { |
2526 | char *p, *q; |
c9def1b8 |
2527 | |
32874aea |
2528 | if (paste_buffer) |
2529 | sfree(paste_buffer); |
c9def1b8 |
2530 | paste_pos = paste_hold = paste_len = 0; |
2531 | paste_buffer = smalloc(len); |
2532 | |
374330e2 |
2533 | p = q = data; |
32874aea |
2534 | while (p < data + len) { |
2535 | while (p < data + len && |
2536 | !(p <= data + len - sizeof(sel_nl) && |
374330e2 |
2537 | !memcmp(p, sel_nl, sizeof(sel_nl)))) |
2538 | p++; |
14963b8f |
2539 | |
2540 | { |
2541 | int i; |
2542 | unsigned char c; |
32874aea |
2543 | for (i = 0; i < p - q; i++) { |
2544 | c = xlat_kbd2tty(q[i]); |
c9def1b8 |
2545 | paste_buffer[paste_len++] = c; |
14963b8f |
2546 | } |
2547 | } |
2548 | |
32874aea |
2549 | if (p <= data + len - sizeof(sel_nl) && |
374330e2 |
2550 | !memcmp(p, sel_nl, sizeof(sel_nl))) { |
c9def1b8 |
2551 | paste_buffer[paste_len++] = '\r'; |
374330e2 |
2552 | p += sizeof(sel_nl); |
2553 | } |
2554 | q = p; |
2555 | } |
c9def1b8 |
2556 | |
2557 | /* Assume a small paste will be OK in one go. */ |
32874aea |
2558 | if (paste_len < 256) { |
2559 | ldisc_send(paste_buffer, paste_len); |
2560 | if (paste_buffer) |
2561 | sfree(paste_buffer); |
c9def1b8 |
2562 | paste_buffer = 0; |
32874aea |
2563 | paste_pos = paste_hold = paste_len = 0; |
c9def1b8 |
2564 | } |
374330e2 |
2565 | } |
2566 | get_clip(NULL, NULL); |
2567 | } |
2568 | |
2569 | term_update(); |
2570 | } |
2571 | |
32874aea |
2572 | void term_nopaste() |
2573 | { |
2574 | if (paste_len == 0) |
2575 | return; |
c9def1b8 |
2576 | sfree(paste_buffer); |
2577 | paste_buffer = 0; |
2578 | paste_len = 0; |
2579 | } |
2580 | |
32874aea |
2581 | void term_paste() |
2582 | { |
8df7a775 |
2583 | static long last_paste = 0; |
c9def1b8 |
2584 | long now, paste_diff; |
2585 | |
32874aea |
2586 | if (paste_len == 0) |
2587 | return; |
c9def1b8 |
2588 | |
2589 | /* Don't wait forever to paste */ |
32874aea |
2590 | if (paste_hold) { |
2591 | now = GetTickCount(); |
2592 | paste_diff = now - last_paste; |
2593 | if (paste_diff >= 0 && paste_diff < 450) |
c9def1b8 |
2594 | return; |
2595 | } |
2596 | paste_hold = 0; |
2597 | |
32874aea |
2598 | while (paste_pos < paste_len) { |
8df7a775 |
2599 | int n = 0; |
2600 | while (n + paste_pos < paste_len) { |
2601 | if (paste_buffer[paste_pos + n++] == '\r') |
2602 | break; |
2603 | } |
32874aea |
2604 | ldisc_send(paste_buffer + paste_pos, n); |
8df7a775 |
2605 | paste_pos += n; |
c9def1b8 |
2606 | |
8df7a775 |
2607 | if (paste_pos < paste_len) { |
c9def1b8 |
2608 | paste_hold = 1; |
2609 | return; |
2610 | } |
2611 | } |
2612 | sfree(paste_buffer); |
2613 | paste_buffer = 0; |
2614 | paste_len = 0; |
2615 | } |
2616 | |
32874aea |
2617 | static void deselect(void) |
2618 | { |
374330e2 |
2619 | selstate = NO_SELECTION; |
4facdf84 |
2620 | selstart.x = selstart.y = selend.x = selend.y = 0; |
374330e2 |
2621 | } |
2622 | |
32874aea |
2623 | void term_deselect(void) |
2624 | { |
374330e2 |
2625 | deselect(); |
2626 | term_update(); |
2627 | } |
fe50e814 |
2628 | |
32874aea |
2629 | int term_ldisc(int option) |
2630 | { |
2631 | if (option == LD_ECHO) |
2632 | return term_echoing; |
2633 | if (option == LD_EDIT) |
2634 | return term_editing; |
0965bee0 |
2635 | return FALSE; |
2636 | } |
2637 | |
fe50e814 |
2638 | /* |
2639 | * from_backend(), to get data from the backend for the terminal. |
2640 | */ |
32874aea |
2641 | void from_backend(int is_stderr, char *data, int len) |
2642 | { |
fe50e814 |
2643 | while (len--) { |
2644 | if (inbuf_head >= INBUF_SIZE) |
2645 | term_out(); |
2646 | inbuf[inbuf_head++] = *data++; |
2647 | } |
2648 | } |
e1c8e0ed |
2649 | |
2650 | /* |
2651 | * Log session traffic. |
2652 | */ |
32874aea |
2653 | void logtraffic(unsigned char c, int logmode) |
2654 | { |
e1c8e0ed |
2655 | if (cfg.logtype > 0) { |
2656 | if (cfg.logtype == logmode) { |
2657 | /* deferred open file from pgm start? */ |
32874aea |
2658 | if (!lgfp) |
2659 | logfopen(); |
2660 | if (lgfp) |
2661 | fputc(c, lgfp); |
2662 | } |
e1c8e0ed |
2663 | } |
2664 | } |
2665 | |
2666 | /* open log file append/overwrite mode */ |
32874aea |
2667 | void logfopen(void) |
2668 | { |
e1c8e0ed |
2669 | char buf[256]; |
2670 | time_t t; |
2671 | struct tm *tm; |
2672 | char writemod[4]; |
2673 | |
2674 | if (!cfg.logtype) |
2675 | return; |
32874aea |
2676 | sprintf(writemod, "wb"); /* default to rewrite */ |
2677 | lgfp = fopen(cfg.logfilename, "r"); /* file already present? */ |
e1c8e0ed |
2678 | if (lgfp) { |
2679 | int i; |
2680 | fclose(lgfp); |
2681 | i = askappend(cfg.logfilename); |
2682 | if (i == 1) |
2683 | writemod[0] = 'a'; /* set append mode */ |
2684 | else if (i == 0) { /* cancelled */ |
2685 | lgfp = NULL; |
32874aea |
2686 | cfg.logtype = 0; /* disable logging */ |
e1c8e0ed |
2687 | return; |
2688 | } |
2689 | } |
2690 | |
2691 | lgfp = fopen(cfg.logfilename, writemod); |
32874aea |
2692 | if (lgfp) { /* enter into event log */ |
e1c8e0ed |
2693 | sprintf(buf, "%s session log (%s mode) to file : ", |
2694 | (writemod[0] == 'a') ? "Appending" : "Writing new", |
2695 | (cfg.logtype == LGTYP_ASCII ? "ASCII" : |
32874aea |
2696 | cfg.logtype == LGTYP_DEBUG ? "raw" : "<ukwn>")); |
e1c8e0ed |
2697 | /* Make sure we do not exceed the output buffer size */ |
32874aea |
2698 | strncat(buf, cfg.logfilename, 128); |
e1c8e0ed |
2699 | buf[strlen(buf)] = '\0'; |
2700 | logevent(buf); |
2701 | |
32874aea |
2702 | /* --- write header line iinto log file */ |
2703 | fputs("=~=~=~=~=~=~=~=~=~=~=~= PuTTY log ", lgfp); |
e1c8e0ed |
2704 | time(&t); |
2705 | tm = localtime(&t); |
2706 | strftime(buf, 24, "%Y.%m.%d %H:%M:%S", tm); |
32874aea |
2707 | fputs(buf, lgfp); |
2708 | fputs(" =~=~=~=~=~=~=~=~=~=~=~=\r\n", lgfp); |
e1c8e0ed |
2709 | } |
2710 | } |
2711 | |
32874aea |
2712 | void logfclose(void) |
2713 | { |
2714 | if (lgfp) { |
2715 | fclose(lgfp); |
2716 | lgfp = NULL; |
2717 | } |
e1c8e0ed |
2718 | } |