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1 | #include <stdio.h> |
2 | #include <stdlib.h> |
49bad831 |
3 | #include <ctype.h> |
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4 | |
e1c8e0ed |
5 | #include <time.h> |
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6 | #include <assert.h> |
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7 | #include "putty.h" |
4facdf84 |
8 | #include "tree234.h" |
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9 | |
4eeb7d09 |
10 | #define VT52_PLUS |
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 | |
c9def1b8 |
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 | |
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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 */ |
4eeb7d09 |
57 | static unsigned long *dispcurs; /* location of cursor on real screen */ |
58 | static unsigned long curstype; /* type of cursor on real screen */ |
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59 | |
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60 | #define VBELL_TIMEOUT (TICKSPERSEC/10) /* visual bell lasts 1/10 sec */ |
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61 | |
62 | struct beeptime { |
63 | struct beeptime *next; |
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64 | unsigned long ticks; |
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65 | }; |
66 | static struct beeptime *beephead, *beeptail; |
67 | int nbeeps; |
68 | int beep_overloaded; |
69 | long lastbeep; |
70 | |
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71 | #define TSIZE (sizeof(unsigned long)) |
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72 | #define fix_cpos do { cpos = lineptr(curs.y) + curs.x; } while(0) |
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73 | |
74 | static unsigned long curr_attr, save_attr; |
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75 | static unsigned long erase_char = ERASE_CHAR; |
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76 | |
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77 | typedef struct { |
78 | int y, x; |
79 | } pos; |
80 | #define poslt(p1,p2) ( (p1).y < (p2).y || ( (p1).y == (p2).y && (p1).x < (p2).x ) ) |
81 | #define posle(p1,p2) ( (p1).y < (p2).y || ( (p1).y == (p2).y && (p1).x <= (p2).x ) ) |
82 | #define poseq(p1,p2) ( (p1).y == (p2).y && (p1).x == (p2).x ) |
435aa044 |
83 | #define posdiff(p1,p2) ( ((p1).y - (p2).y) * (cols+1) + (p1).x - (p2).x ) |
4facdf84 |
84 | #define incpos(p) ( (p).x == cols ? ((p).x = 0, (p).y++, 1) : ((p).x++, 0) ) |
85 | #define decpos(p) ( (p).x == 0 ? ((p).x = cols, (p).y--, 1) : ((p).x--, 0) ) |
86 | |
6908fed7 |
87 | /* Product-order comparisons for rectangular block selection. */ |
88 | #define posPlt(p1,p2) ( (p1).y <= (p2).y && (p1).x < (p2).x ) |
89 | #define posPle(p1,p2) ( (p1).y <= (p2).y && (p1).x <= (p2).x ) |
90 | |
a748a096 |
91 | static bufchain inbuf; /* terminal input buffer */ |
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92 | static pos curs; /* cursor */ |
93 | static pos savecurs; /* saved cursor position */ |
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94 | static int marg_t, marg_b; /* scroll margins */ |
95 | static int dec_om; /* DEC origin mode flag */ |
96 | static int wrap, wrapnext; /* wrap flags */ |
97 | static int insert; /* insert-mode flag */ |
98 | static int cset; /* 0 or 1: which char set */ |
99 | static int save_cset, save_csattr; /* saved with cursor position */ |
8c028e65 |
100 | static int save_utf, save_wnext; /* saved with cursor position */ |
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101 | static int rvideo; /* global reverse video flag */ |
286c6b86 |
102 | static unsigned long rvbell_startpoint;/* for ESC[?5hESC[?5l vbell */ |
e14a5a13 |
103 | static int cursor_on; /* cursor enabled flag */ |
104 | static int reset_132; /* Flag ESC c resets to 80 cols */ |
105 | static int use_bce; /* Use Background coloured erase */ |
106 | static int blinker; /* When blinking is the cursor on ? */ |
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107 | static int tblinker; /* When the blinking text is on */ |
108 | static int blink_is_real; /* Actually blink blinking text */ |
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109 | static int term_echoing; /* Does terminal want local echo? */ |
110 | static int term_editing; /* Does terminal want local edit? */ |
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111 | static int sco_acs, save_sco_acs; /* CSI 10,11,12m -> OEM charset */ |
4eeb7d09 |
112 | static int vt52_bold; /* Force bold on non-bold colours */ |
113 | static int utf_state; /* Is there a pending UTF-8 character */ |
114 | static int utf_char; /* and what is it so far. */ |
115 | static int utf_size; /* The size of the UTF character. */ |
b44b307a |
116 | static int printing, only_printing; /* Are we doing ANSI printing? */ |
117 | static int print_state; /* state of print-end-sequence scan */ |
118 | static bufchain printer_buf; /* buffered data for printer */ |
119 | static printer_job *print_job; |
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120 | |
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121 | static int xterm_mouse; /* send mouse messages to app */ |
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122 | |
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123 | static unsigned long cset_attr[2]; |
124 | |
125 | /* |
126 | * Saved settings on the alternate screen. |
127 | */ |
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128 | 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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129 | static int alt_t, alt_b; |
130 | static int alt_which; |
131 | |
132 | #define ARGS_MAX 32 /* max # of esc sequence arguments */ |
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133 | #define ARG_DEFAULT 0 /* if an arg isn't specified */ |
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134 | #define def(a,d) ( (a) == ARG_DEFAULT ? (d) : (a) ) |
135 | static int esc_args[ARGS_MAX]; |
136 | static int esc_nargs; |
137 | static int esc_query; |
8b811b12 |
138 | #define ANSI(x,y) ((x)+((y)<<8)) |
139 | #define ANSI_QUE(x) ANSI(x,TRUE) |
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140 | |
141 | #define OSC_STR_MAX 2048 |
142 | static int osc_strlen; |
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143 | static char osc_string[OSC_STR_MAX + 1]; |
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144 | static int osc_w; |
145 | |
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146 | static char id_string[1024] = "\033[?6c"; |
147 | |
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148 | static unsigned char *tabs; |
149 | |
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150 | static enum { |
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151 | TOPLEVEL, |
152 | SEEN_ESC, |
153 | SEEN_CSI, |
154 | SEEN_OSC, |
155 | SEEN_OSC_W, |
156 | |
157 | DO_CTRLS, |
158 | |
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159 | SEEN_OSC_P, |
160 | OSC_STRING, OSC_MAYBE_ST, |
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161 | VT52_ESC, |
162 | VT52_Y1, |
4eeb7d09 |
163 | VT52_Y2, |
164 | VT52_FG, |
165 | VT52_BG |
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166 | } termstate; |
167 | |
168 | static enum { |
169 | NO_SELECTION, ABOUT_TO, DRAGGING, SELECTED |
170 | } selstate; |
171 | static enum { |
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172 | LEXICOGRAPHIC, RECTANGULAR |
173 | } seltype; |
174 | static enum { |
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175 | SM_CHAR, SM_WORD, SM_LINE |
176 | } selmode; |
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177 | static pos selstart, selend, selanchor; |
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178 | |
179 | static short wordness[256] = { |
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180 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
181 | 0, 0, 0, 0, 0, 0, 0, 0, /* 01 */ |
182 | 0, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
183 | 2, 2, 1, 1, 1, 1, 1, 1, /* 23 */ |
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, 2, /* 45 */ |
186 | 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
187 | 2, 2, 2, 1, 1, 1, 1, 1, /* 67 */ |
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, /* 89 */ |
190 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
191 | 1, 1, 1, 1, 1, 1, 1, 1, /* AB */ |
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, /* CD */ |
194 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, |
195 | 2, 2, 2, 2, 2, 2, 2, 2, /* EF */ |
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196 | }; |
197 | |
4eeb7d09 |
198 | #define sel_nl_sz (sizeof(sel_nl)/sizeof(wchar_t)) |
199 | static wchar_t sel_nl[] = SEL_NL; |
200 | static wchar_t *paste_buffer = 0; |
c9def1b8 |
201 | static int paste_len, paste_pos, paste_hold; |
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202 | |
203 | /* |
204 | * Internal prototypes. |
205 | */ |
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206 | static void do_paint(Context, int); |
207 | static void erase_lots(int, int, int); |
208 | static void swap_screen(int); |
209 | static void update_sbar(void); |
210 | static void deselect(void); |
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211 | static void term_print_finish(void); |
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212 | |
213 | /* |
2371caac |
214 | * Resize a line to make it `cols' columns wide. |
215 | */ |
216 | unsigned long *resizeline(unsigned long *line, int cols) |
217 | { |
218 | int i, oldlen; |
219 | unsigned long lineattrs; |
220 | |
221 | if (line[0] != (unsigned long)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]; |
227 | lineattrs = line[oldlen + 1]; |
228 | line = srealloc(line, TSIZE * (2 + cols)); |
229 | line[0] = cols; |
230 | for (i = oldlen; i < cols; i++) |
231 | line[i + 1] = ERASE_CHAR; |
232 | line[cols + 1] = lineattrs & LATTR_MODE; |
233 | } |
234 | |
235 | return line; |
236 | } |
237 | |
238 | /* |
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239 | * Retrieve a line of the screen or of the scrollback, according to |
240 | * whether the y coordinate is non-negative or negative |
241 | * (respectively). |
242 | */ |
32874aea |
243 | unsigned long *lineptr(int y, int lineno) |
244 | { |
2371caac |
245 | unsigned long *line, *newline; |
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246 | tree234 *whichtree; |
2371caac |
247 | int treeindex; |
c83de303 |
248 | |
249 | if (y >= 0) { |
250 | whichtree = screen; |
251 | treeindex = y; |
252 | } else { |
253 | whichtree = scrollback; |
254 | treeindex = y + count234(scrollback); |
255 | } |
256 | line = index234(whichtree, treeindex); |
257 | |
258 | /* We assume that we don't screw up and retrieve something out of range. */ |
c83de303 |
259 | assert(line != NULL); |
c83de303 |
260 | |
2371caac |
261 | newline = resizeline(line, cols); |
262 | if (newline != line) { |
c83de303 |
263 | delpos234(whichtree, treeindex); |
2371caac |
264 | addpos234(whichtree, newline, treeindex); |
04dcfaa2 |
265 | line = newline; |
c83de303 |
266 | } |
267 | |
32874aea |
268 | return line + 1; |
c83de303 |
269 | } |
32874aea |
270 | |
c83de303 |
271 | #define lineptr(x) lineptr(x,__LINE__) |
272 | /* |
374330e2 |
273 | * Set up power-on settings for the terminal. |
274 | */ |
32874aea |
275 | static void power_on(void) |
276 | { |
4facdf84 |
277 | curs.x = curs.y = alt_x = alt_y = savecurs.x = savecurs.y = 0; |
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278 | alt_t = marg_t = 0; |
279 | if (rows != -1) |
280 | alt_b = marg_b = rows - 1; |
281 | else |
282 | alt_b = marg_b = 0; |
283 | if (cols != -1) { |
284 | int i; |
285 | for (i = 0; i < cols; i++) |
286 | tabs[i] = (i % 8 == 0 ? TRUE : FALSE); |
287 | } |
288 | alt_om = dec_om = cfg.dec_om; |
289 | alt_wnext = wrapnext = alt_ins = insert = FALSE; |
290 | alt_wrap = wrap = cfg.wrap_mode; |
291 | alt_cset = cset = 0; |
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292 | alt_utf = utf = 0; |
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293 | alt_sco_acs = sco_acs = 0; |
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294 | cset_attr[0] = cset_attr[1] = ATTR_ASCII; |
295 | rvideo = 0; |
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296 | in_vbell = FALSE; |
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297 | cursor_on = 1; |
4eeb7d09 |
298 | big_cursor = 0; |
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299 | save_attr = curr_attr = ATTR_DEFAULT; |
0965bee0 |
300 | term_editing = term_echoing = FALSE; |
760e88b2 |
301 | ldisc_send(NULL, 0, 0); /* cause ldisc to notice changes */ |
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302 | app_cursor_keys = cfg.app_cursor; |
303 | app_keypad_keys = cfg.app_keypad; |
c9def1b8 |
304 | use_bce = cfg.bce; |
305 | blink_is_real = cfg.blinktext; |
e14a5a13 |
306 | erase_char = ERASE_CHAR; |
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307 | alt_which = 0; |
b44b307a |
308 | term_print_finish(); |
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309 | { |
310 | int i; |
311 | for (i = 0; i < 256; i++) |
312 | wordness[i] = cfg.wordness[i]; |
313 | } |
4facdf84 |
314 | if (screen) { |
32874aea |
315 | swap_screen(1); |
316 | erase_lots(FALSE, TRUE, TRUE); |
317 | swap_screen(0); |
318 | erase_lots(FALSE, TRUE, TRUE); |
374330e2 |
319 | } |
320 | } |
321 | |
322 | /* |
323 | * Force a screen update. |
324 | */ |
32874aea |
325 | void term_update(void) |
326 | { |
374330e2 |
327 | Context ctx; |
328 | ctx = get_ctx(); |
329 | if (ctx) { |
4f892125 |
330 | int need_sbar_update = seen_disp_event; |
32874aea |
331 | if ((seen_key_event && (cfg.scroll_on_key)) || |
332 | (seen_disp_event && (cfg.scroll_on_disp))) { |
4facdf84 |
333 | disptop = 0; /* return to main screen */ |
cabfd08c |
334 | seen_disp_event = seen_key_event = 0; |
4f892125 |
335 | need_sbar_update = TRUE; |
cabfd08c |
336 | } |
4f892125 |
337 | if (need_sbar_update) |
338 | update_sbar(); |
32874aea |
339 | do_paint(ctx, TRUE); |
340 | sys_cursor(curs.x, curs.y - disptop); |
341 | free_ctx(ctx); |
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342 | } |
343 | } |
344 | |
345 | /* |
346 | * Same as power_on(), but an external function. |
347 | */ |
32874aea |
348 | void term_pwron(void) |
349 | { |
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350 | power_on(); |
351 | fix_cpos; |
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352 | disptop = 0; |
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353 | deselect(); |
354 | term_update(); |
355 | } |
356 | |
357 | /* |
0d2086c5 |
358 | * When the user reconfigures us, we need to check the forbidden- |
b44b307a |
359 | * alternate-screen config option, disable raw mouse mode if the |
360 | * user has disabled mouse reporting, and abandon a print job if |
361 | * the user has disabled printing. |
0d2086c5 |
362 | */ |
363 | void term_reconfig(void) |
364 | { |
365 | if (cfg.no_alt_screen) |
366 | swap_screen(0); |
c0d36a72 |
367 | if (cfg.no_mouse_rep) { |
368 | xterm_mouse = 0; |
369 | set_raw_mouse_mode(0); |
370 | } |
0d2086c5 |
371 | if (cfg.no_remote_charset) { |
372 | cset_attr[0] = cset_attr[1] = ATTR_ASCII; |
373 | sco_acs = alt_sco_acs = 0; |
374 | utf = 0; |
375 | } |
b44b307a |
376 | if (!*cfg.printer) { |
377 | term_print_finish(); |
378 | } |
0d2086c5 |
379 | } |
380 | |
381 | /* |
374330e2 |
382 | * Clear the scrollback. |
383 | */ |
32874aea |
384 | void term_clrsb(void) |
385 | { |
4facdf84 |
386 | unsigned long *line; |
387 | disptop = 0; |
388 | while ((line = delpos234(scrollback, 0)) != NULL) { |
389 | sfree(line); |
390 | } |
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391 | update_sbar(); |
392 | } |
393 | |
394 | /* |
395 | * Initialise the terminal. |
396 | */ |
32874aea |
397 | void term_init(void) |
398 | { |
4facdf84 |
399 | screen = alt_screen = scrollback = NULL; |
400 | disptop = 0; |
4eeb7d09 |
401 | disptext = dispcurs = NULL; |
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402 | tabs = NULL; |
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403 | deselect(); |
404 | rows = cols = -1; |
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405 | power_on(); |
156686ef |
406 | beephead = beeptail = NULL; |
407 | nbeeps = 0; |
408 | lastbeep = FALSE; |
409 | beep_overloaded = FALSE; |
374330e2 |
410 | } |
411 | |
412 | /* |
413 | * Set up the terminal for a given size. |
414 | */ |
32874aea |
415 | void term_size(int newrows, int newcols, int newsavelines) |
416 | { |
2d466ffd |
417 | tree234 *newalt; |
418 | unsigned long *newdisp, *line; |
419 | int i, j; |
c83de303 |
420 | int sblen; |
d6832394 |
421 | int save_alt_which = alt_which; |
422 | |
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423 | if (newrows == rows && newcols == cols && newsavelines == savelines) |
424 | return; /* nothing to do */ |
425 | |
d6832394 |
426 | deselect(); |
427 | swap_screen(0); |
428 | |
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429 | alt_t = marg_t = 0; |
430 | alt_b = marg_b = newrows - 1; |
431 | |
c83de303 |
432 | if (rows == -1) { |
433 | scrollback = newtree234(NULL); |
434 | screen = newtree234(NULL); |
435 | rows = 0; |
436 | } |
437 | |
438 | /* |
439 | * Resize the screen and scrollback. We only need to shift |
440 | * lines around within our data structures, because lineptr() |
441 | * will take care of resizing each individual line if |
442 | * necessary. So: |
443 | * |
444 | * - If the new screen and the old screen differ in length, we |
445 | * must shunt some lines in from the scrollback or out to |
446 | * the scrollback. |
447 | * |
448 | * - If doing that fails to provide us with enough material to |
449 | * fill the new screen (i.e. the number of rows needed in |
450 | * the new screen exceeds the total number in the previous |
451 | * screen+scrollback), we must invent some blank lines to |
452 | * cover the gap. |
453 | * |
454 | * - Then, if the new scrollback length is less than the |
455 | * amount of scrollback we actually have, we must throw some |
456 | * away. |
457 | */ |
458 | sblen = count234(scrollback); |
cdd6c586 |
459 | /* Do this loop to expand the screen if newrows > rows */ |
460 | for (i = rows; i < newrows; i++) { |
32874aea |
461 | if (sblen > 0) { |
462 | line = delpos234(scrollback, --sblen); |
463 | } else { |
464 | line = smalloc(TSIZE * (newcols + 2)); |
465 | line[0] = newcols; |
466 | for (j = 0; j <= newcols; j++) |
467 | line[j + 1] = ERASE_CHAR; |
468 | } |
469 | addpos234(screen, line, 0); |
cdd6c586 |
470 | } |
471 | /* Do this loop to shrink the screen if newrows < rows */ |
472 | for (i = newrows; i < rows; i++) { |
32874aea |
473 | line = delpos234(screen, 0); |
474 | addpos234(scrollback, line, sblen++); |
c83de303 |
475 | } |
476 | assert(count234(screen) == newrows); |
477 | while (sblen > newsavelines) { |
478 | line = delpos234(scrollback, 0); |
479 | sfree(line); |
480 | sblen--; |
c9def1b8 |
481 | } |
c83de303 |
482 | assert(count234(scrollback) <= newsavelines); |
4facdf84 |
483 | disptop = 0; |
374330e2 |
484 | |
32874aea |
485 | newdisp = smalloc(newrows * (newcols + 1) * TSIZE); |
486 | for (i = 0; i < newrows * (newcols + 1); i++) |
374330e2 |
487 | newdisp[i] = ATTR_INVALID; |
32874aea |
488 | sfree(disptext); |
374330e2 |
489 | disptext = newdisp; |
4eeb7d09 |
490 | dispcurs = NULL; |
374330e2 |
491 | |
4facdf84 |
492 | newalt = newtree234(NULL); |
32874aea |
493 | for (i = 0; i < newrows; i++) { |
494 | line = smalloc(TSIZE * (newcols + 2)); |
c83de303 |
495 | line[0] = newcols; |
4facdf84 |
496 | for (j = 0; j <= newcols; j++) |
32874aea |
497 | line[j + 1] = erase_char; |
4facdf84 |
498 | addpos234(newalt, line, i); |
499 | } |
500 | if (alt_screen) { |
501 | while (NULL != (line = delpos234(alt_screen, 0))) |
502 | sfree(line); |
503 | freetree234(alt_screen); |
504 | } |
505 | alt_screen = newalt; |
374330e2 |
506 | |
32874aea |
507 | tabs = srealloc(tabs, newcols * sizeof(*tabs)); |
374330e2 |
508 | { |
509 | int i; |
510 | for (i = (cols > 0 ? cols : 0); i < newcols; i++) |
511 | tabs[i] = (i % 8 == 0 ? TRUE : FALSE); |
512 | } |
513 | |
514 | if (rows > 0) |
4facdf84 |
515 | curs.y += newrows - rows; |
516 | if (curs.y < 0) |
517 | curs.y = 0; |
518 | if (curs.y >= newrows) |
32874aea |
519 | curs.y = newrows - 1; |
4facdf84 |
520 | if (curs.x >= newcols) |
32874aea |
521 | curs.x = newcols - 1; |
374330e2 |
522 | alt_x = alt_y = 0; |
523 | wrapnext = alt_wnext = FALSE; |
524 | |
525 | rows = newrows; |
526 | cols = newcols; |
527 | savelines = newsavelines; |
528 | fix_cpos; |
529 | |
d6832394 |
530 | swap_screen(save_alt_which); |
531 | |
374330e2 |
532 | update_sbar(); |
533 | term_update(); |
5a73255e |
534 | back->size(); |
374330e2 |
535 | } |
536 | |
537 | /* |
538 | * Swap screens. |
539 | */ |
32874aea |
540 | static void swap_screen(int which) |
541 | { |
374330e2 |
542 | int t; |
4facdf84 |
543 | tree234 *ttr; |
374330e2 |
544 | |
545 | if (which == alt_which) |
546 | return; |
547 | |
548 | alt_which = which; |
549 | |
32874aea |
550 | ttr = alt_screen; |
551 | alt_screen = screen; |
552 | screen = ttr; |
553 | t = curs.x; |
554 | curs.x = alt_x; |
555 | alt_x = t; |
556 | t = curs.y; |
557 | curs.y = alt_y; |
558 | alt_y = t; |
559 | t = marg_t; |
560 | marg_t = alt_t; |
561 | alt_t = t; |
562 | t = marg_b; |
563 | marg_b = alt_b; |
564 | alt_b = t; |
565 | t = dec_om; |
566 | dec_om = alt_om; |
567 | alt_om = t; |
568 | t = wrap; |
569 | wrap = alt_wrap; |
570 | alt_wrap = t; |
571 | t = wrapnext; |
572 | wrapnext = alt_wnext; |
573 | alt_wnext = t; |
574 | t = insert; |
575 | insert = alt_ins; |
576 | alt_ins = t; |
577 | t = cset; |
578 | cset = alt_cset; |
579 | alt_cset = t; |
8f22582c |
580 | t = utf; |
581 | utf = alt_utf; |
582 | alt_utf = t; |
d3cb5465 |
583 | t = sco_acs; |
584 | sco_acs = alt_sco_acs; |
585 | alt_sco_acs = t; |
374330e2 |
586 | |
587 | fix_cpos; |
588 | } |
589 | |
590 | /* |
374330e2 |
591 | * Update the scroll bar. |
592 | */ |
32874aea |
593 | static void update_sbar(void) |
594 | { |
260f3dec |
595 | int nscroll; |
374330e2 |
596 | |
4facdf84 |
597 | nscroll = count234(scrollback); |
598 | |
32874aea |
599 | set_sbar(nscroll + rows, nscroll + disptop, rows); |
374330e2 |
600 | } |
601 | |
602 | /* |
603 | * Check whether the region bounded by the two pointers intersects |
604 | * the scroll region, and de-select the on-screen selection if so. |
605 | */ |
32874aea |
606 | static void check_selection(pos from, pos to) |
607 | { |
4facdf84 |
608 | if (poslt(from, selend) && poslt(selstart, to)) |
374330e2 |
609 | deselect(); |
610 | } |
611 | |
612 | /* |
613 | * Scroll the screen. (`lines' is +ve for scrolling forward, -ve |
614 | * for backward.) `sb' is TRUE if the scrolling is permitted to |
615 | * affect the scrollback buffer. |
a4450583 |
616 | * |
617 | * NB this function invalidates all pointers into lines of the |
618 | * screen data structures. In particular, you MUST call fix_cpos |
619 | * after calling scroll() and before doing anything else that |
620 | * uses the cpos shortcut pointer. |
374330e2 |
621 | */ |
32874aea |
622 | static void scroll(int topline, int botline, int lines, int sb) |
623 | { |
4facdf84 |
624 | unsigned long *line, *line2; |
a792432e |
625 | int i, seltop; |
c9def1b8 |
626 | |
7af9fa7f |
627 | if (topline != 0 || alt_which != 0) |
4facdf84 |
628 | sb = FALSE; |
629 | |
630 | if (lines < 0) { |
631 | while (lines < 0) { |
632 | line = delpos234(screen, botline); |
2371caac |
633 | line = resizeline(line, cols); |
4facdf84 |
634 | for (i = 0; i < cols; i++) |
32874aea |
635 | line[i + 1] = erase_char; |
636 | line[cols + 1] = 0; |
4facdf84 |
637 | addpos234(screen, line, topline); |
638 | |
639 | if (selstart.y >= topline && selstart.y <= botline) { |
640 | selstart.y++; |
641 | if (selstart.y > botline) { |
642 | selstart.y = botline; |
643 | selstart.x = 0; |
c9def1b8 |
644 | } |
c9def1b8 |
645 | } |
4facdf84 |
646 | if (selend.y >= topline && selend.y <= botline) { |
647 | selend.y++; |
648 | if (selend.y > botline) { |
649 | selend.y = botline; |
650 | selend.x = 0; |
c9def1b8 |
651 | } |
c9def1b8 |
652 | } |
c9def1b8 |
653 | |
4facdf84 |
654 | lines++; |
c9def1b8 |
655 | } |
374330e2 |
656 | } else { |
4facdf84 |
657 | while (lines > 0) { |
658 | line = delpos234(screen, topline); |
c83de303 |
659 | if (sb && savelines > 0) { |
4facdf84 |
660 | int sblen = count234(scrollback); |
661 | /* |
662 | * We must add this line to the scrollback. We'll |
663 | * remove a line from the top of the scrollback to |
664 | * replace it, or allocate a new one if the |
665 | * scrollback isn't full. |
666 | */ |
c83de303 |
667 | if (sblen == savelines) { |
4facdf84 |
668 | sblen--, line2 = delpos234(scrollback, 0); |
c83de303 |
669 | } else { |
32874aea |
670 | line2 = smalloc(TSIZE * (cols + 2)); |
c83de303 |
671 | line2[0] = cols; |
672 | } |
4facdf84 |
673 | addpos234(scrollback, line, sblen); |
674 | line = line2; |
a792432e |
675 | |
676 | /* |
677 | * If the user is currently looking at part of the |
678 | * scrollback, and they haven't enabled any options |
679 | * that are going to reset the scrollback as a |
680 | * result of this movement, then the chances are |
681 | * they'd like to keep looking at the same line. So |
682 | * we move their viewpoint at the same rate as the |
683 | * scroll, at least until their viewpoint hits the |
684 | * top end of the scrollback buffer, at which point |
685 | * we don't have the choice any more. |
686 | * |
687 | * Thanks to Jan Holmen Holsten for the idea and |
688 | * initial implementation. |
689 | */ |
690 | if (disptop > -savelines && disptop < 0) |
691 | disptop--; |
4facdf84 |
692 | } |
2371caac |
693 | line = resizeline(line, cols); |
4facdf84 |
694 | for (i = 0; i < cols; i++) |
32874aea |
695 | line[i + 1] = erase_char; |
696 | line[cols + 1] = 0; |
4facdf84 |
697 | addpos234(screen, line, botline); |
698 | |
a792432e |
699 | /* |
700 | * If the selection endpoints move into the scrollback, |
701 | * we keep them moving until they hit the top. However, |
702 | * of course, if the line _hasn't_ moved into the |
703 | * scrollback then we don't do this, and cut them off |
704 | * at the top of the scroll region. |
d48db8b4 |
705 | * |
706 | * This applies to selstart and selend (for an existing |
707 | * selection), and also selanchor (for one being |
708 | * selected as we speak). |
a792432e |
709 | */ |
c2ed03b2 |
710 | seltop = sb ? -savelines : topline; |
a792432e |
711 | |
712 | if (selstart.y >= seltop && selstart.y <= botline) { |
4facdf84 |
713 | selstart.y--; |
a792432e |
714 | if (selstart.y < seltop) { |
715 | selstart.y = seltop; |
4facdf84 |
716 | selstart.x = 0; |
717 | } |
718 | } |
a792432e |
719 | if (selend.y >= seltop && selend.y <= botline) { |
4facdf84 |
720 | selend.y--; |
a792432e |
721 | if (selend.y < seltop) { |
722 | selend.y = seltop; |
4facdf84 |
723 | selend.x = 0; |
724 | } |
725 | } |
d48db8b4 |
726 | if (selanchor.y >= seltop && selanchor.y <= botline) { |
727 | selanchor.y--; |
728 | if (selanchor.y < seltop) { |
729 | selanchor.y = seltop; |
730 | selanchor.x = 0; |
731 | } |
732 | } |
4facdf84 |
733 | |
734 | lines--; |
c9def1b8 |
735 | } |
374330e2 |
736 | } |
374330e2 |
737 | } |
738 | |
739 | /* |
740 | * Move the cursor to a given position, clipping at boundaries. We |
741 | * may or may not want to clip at the scroll margin: marg_clip is 0 |
742 | * not to, 1 to disallow _passing_ the margins, and 2 to disallow |
743 | * even _being_ outside the margins. |
744 | */ |
32874aea |
745 | static void move(int x, int y, int marg_clip) |
746 | { |
374330e2 |
747 | if (x < 0) |
748 | x = 0; |
749 | if (x >= cols) |
32874aea |
750 | x = cols - 1; |
374330e2 |
751 | if (marg_clip) { |
4facdf84 |
752 | if ((curs.y >= marg_t || marg_clip == 2) && y < marg_t) |
374330e2 |
753 | y = marg_t; |
4facdf84 |
754 | if ((curs.y <= marg_b || marg_clip == 2) && y > marg_b) |
374330e2 |
755 | y = marg_b; |
756 | } |
757 | if (y < 0) |
758 | y = 0; |
759 | if (y >= rows) |
32874aea |
760 | y = rows - 1; |
4facdf84 |
761 | curs.x = x; |
762 | curs.y = y; |
374330e2 |
763 | fix_cpos; |
764 | wrapnext = FALSE; |
765 | } |
766 | |
767 | /* |
768 | * Save or restore the cursor and SGR mode. |
769 | */ |
32874aea |
770 | static void save_cursor(int save) |
771 | { |
374330e2 |
772 | if (save) { |
4facdf84 |
773 | savecurs = curs; |
374330e2 |
774 | save_attr = curr_attr; |
775 | save_cset = cset; |
8f22582c |
776 | save_utf = utf; |
8c028e65 |
777 | save_wnext = wrapnext; |
374330e2 |
778 | save_csattr = cset_attr[cset]; |
d3cb5465 |
779 | save_sco_acs = sco_acs; |
374330e2 |
780 | } else { |
4facdf84 |
781 | curs = savecurs; |
c9def1b8 |
782 | /* Make sure the window hasn't shrunk since the save */ |
32874aea |
783 | if (curs.x >= cols) |
784 | curs.x = cols - 1; |
785 | if (curs.y >= rows) |
786 | curs.y = rows - 1; |
c9def1b8 |
787 | |
374330e2 |
788 | curr_attr = save_attr; |
789 | cset = save_cset; |
8f22582c |
790 | utf = save_utf; |
8c028e65 |
791 | wrapnext = save_wnext; |
792 | /* |
793 | * wrapnext might reset to False if the x position is no |
794 | * longer at the rightmost edge. |
795 | */ |
796 | if (wrapnext && curs.x < cols-1) |
797 | wrapnext = FALSE; |
374330e2 |
798 | cset_attr[cset] = save_csattr; |
d3cb5465 |
799 | sco_acs = save_sco_acs; |
374330e2 |
800 | fix_cpos; |
32874aea |
801 | if (use_bce) |
8f22582c |
802 | erase_char = (' ' | ATTR_ASCII | |
803 | (curr_attr & (ATTR_FGMASK | ATTR_BGMASK))); |
374330e2 |
804 | } |
805 | } |
806 | |
807 | /* |
808 | * Erase a large portion of the screen: the whole screen, or the |
809 | * whole line, or parts thereof. |
810 | */ |
32874aea |
811 | static void erase_lots(int line_only, int from_begin, int to_end) |
812 | { |
260f3dec |
813 | pos start, end; |
4facdf84 |
814 | int erase_lattr; |
815 | unsigned long *ldata; |
374330e2 |
816 | |
817 | if (line_only) { |
4facdf84 |
818 | start.y = curs.y; |
819 | start.x = 0; |
820 | end.y = curs.y + 1; |
821 | end.x = 0; |
822 | erase_lattr = FALSE; |
374330e2 |
823 | } else { |
4facdf84 |
824 | start.y = 0; |
825 | start.x = 0; |
826 | end.y = rows; |
827 | end.x = 0; |
828 | erase_lattr = TRUE; |
829 | } |
830 | if (!from_begin) { |
831 | start = curs; |
374330e2 |
832 | } |
4facdf84 |
833 | if (!to_end) { |
834 | end = curs; |
2a6dfe0e |
835 | incpos(end); |
4facdf84 |
836 | } |
32874aea |
837 | check_selection(start, end); |
e14a5a13 |
838 | |
839 | /* Clear screen also forces a full window redraw, just in case. */ |
4facdf84 |
840 | if (start.y == 0 && start.x == 0 && end.y == rows) |
32874aea |
841 | term_invalidate(); |
e14a5a13 |
842 | |
4facdf84 |
843 | ldata = lineptr(start.y); |
844 | while (poslt(start, end)) { |
cfbeddf3 |
845 | if (start.x == cols && !erase_lattr) |
4eeb7d09 |
846 | ldata[start.x] &= ~LATTR_WRAPPED; |
4facdf84 |
847 | else |
848 | ldata[start.x] = erase_char; |
c83de303 |
849 | if (incpos(start) && start.y < rows) |
4facdf84 |
850 | ldata = lineptr(start.y); |
851 | } |
374330e2 |
852 | } |
853 | |
854 | /* |
855 | * Insert or delete characters within the current line. n is +ve if |
856 | * insertion is desired, and -ve for deletion. |
857 | */ |
32874aea |
858 | static void insch(int n) |
859 | { |
374330e2 |
860 | int dir = (n < 0 ? -1 : +1); |
861 | int m; |
4facdf84 |
862 | pos cursplus; |
863 | unsigned long *ldata; |
374330e2 |
864 | |
865 | n = (n < 0 ? -n : n); |
4facdf84 |
866 | if (n > cols - curs.x) |
867 | n = cols - curs.x; |
868 | m = cols - curs.x - n; |
869 | cursplus.y = curs.y; |
870 | cursplus.x = curs.x + n; |
32874aea |
871 | check_selection(curs, cursplus); |
4facdf84 |
872 | ldata = lineptr(curs.y); |
374330e2 |
873 | if (dir < 0) { |
32874aea |
874 | memmove(ldata + curs.x, ldata + curs.x + n, m * TSIZE); |
374330e2 |
875 | while (n--) |
4facdf84 |
876 | ldata[curs.x + m++] = erase_char; |
374330e2 |
877 | } else { |
32874aea |
878 | memmove(ldata + curs.x + n, ldata + curs.x, m * TSIZE); |
374330e2 |
879 | while (n--) |
4facdf84 |
880 | ldata[curs.x + n] = erase_char; |
374330e2 |
881 | } |
882 | } |
883 | |
884 | /* |
885 | * Toggle terminal mode `mode' to state `state'. (`query' indicates |
886 | * whether the mode is a DEC private one or a normal one.) |
887 | */ |
32874aea |
888 | static void toggle_mode(int mode, int query, int state) |
889 | { |
286c6b86 |
890 | unsigned long ticks; |
01c034ad |
891 | |
32874aea |
892 | if (query) |
893 | switch (mode) { |
894 | case 1: /* application cursor keys */ |
895 | app_cursor_keys = state; |
896 | break; |
897 | case 2: /* VT52 mode */ |
898 | vt52_mode = !state; |
4eeb7d09 |
899 | if (vt52_mode) { |
900 | blink_is_real = FALSE; |
901 | vt52_bold = FALSE; |
902 | } else { |
903 | blink_is_real = cfg.blinktext; |
904 | } |
32874aea |
905 | break; |
906 | case 3: /* 80/132 columns */ |
907 | deselect(); |
0d2086c5 |
908 | if (!cfg.no_remote_resize) |
909 | request_resize(state ? 132 : 80, rows); |
32874aea |
910 | reset_132 = state; |
911 | break; |
912 | case 5: /* reverse video */ |
913 | /* |
914 | * Toggle reverse video. If we receive an OFF within the |
915 | * visual bell timeout period after an ON, we trigger an |
916 | * effective visual bell, so that ESC[?5hESC[?5l will |
917 | * always be an actually _visible_ visual bell. |
918 | */ |
f7f27309 |
919 | ticks = GETTICKCOUNT(); |
286c6b86 |
920 | /* turn off a previous vbell to avoid inconsistencies */ |
921 | if (ticks - vbell_startpoint >= VBELL_TIMEOUT) |
922 | in_vbell = FALSE; |
923 | if (rvideo && !state && /* we're turning it off... */ |
924 | (ticks - rvbell_startpoint) < VBELL_TIMEOUT) { /* ...soon */ |
925 | /* If there's no vbell timeout already, or this one lasts |
926 | * longer, replace vbell_timeout with ours. */ |
927 | if (!in_vbell || |
928 | (rvbell_startpoint - vbell_startpoint < VBELL_TIMEOUT)) |
929 | vbell_startpoint = rvbell_startpoint; |
32874aea |
930 | in_vbell = TRUE; /* we may clear rvideo but we set in_vbell */ |
32874aea |
931 | } else if (!rvideo && state) { |
932 | /* This is an ON, so we notice the time and save it. */ |
286c6b86 |
933 | rvbell_startpoint = ticks; |
32874aea |
934 | } |
935 | rvideo = state; |
936 | seen_disp_event = TRUE; |
937 | if (state) |
938 | term_update(); |
939 | break; |
940 | case 6: /* DEC origin mode */ |
941 | dec_om = state; |
942 | break; |
943 | case 7: /* auto wrap */ |
944 | wrap = state; |
945 | break; |
946 | case 8: /* auto key repeat */ |
947 | repeat_off = !state; |
948 | break; |
949 | case 10: /* set local edit mode */ |
950 | term_editing = state; |
760e88b2 |
951 | ldisc_send(NULL, 0, 0); /* cause ldisc to notice changes */ |
32874aea |
952 | break; |
953 | case 25: /* enable/disable cursor */ |
954 | compatibility2(OTHER, VT220); |
955 | cursor_on = state; |
956 | seen_disp_event = TRUE; |
957 | break; |
958 | case 47: /* alternate screen */ |
959 | compatibility(OTHER); |
960 | deselect(); |
0d2086c5 |
961 | swap_screen(cfg.no_alt_screen ? 0 : state); |
32874aea |
962 | disptop = 0; |
963 | break; |
964 | case 1000: /* xterm mouse 1 */ |
965 | xterm_mouse = state ? 1 : 0; |
966 | set_raw_mouse_mode(state); |
967 | break; |
968 | case 1002: /* xterm mouse 2 */ |
969 | xterm_mouse = state ? 2 : 0; |
970 | set_raw_mouse_mode(state); |
971 | break; |
972 | } else |
973 | switch (mode) { |
974 | case 4: /* set insert mode */ |
975 | compatibility(VT102); |
976 | insert = state; |
977 | break; |
978 | case 12: /* set echo mode */ |
979 | term_echoing = !state; |
760e88b2 |
980 | ldisc_send(NULL, 0, 0); /* cause ldisc to notice changes */ |
32874aea |
981 | break; |
982 | case 20: /* Return sends ... */ |
983 | cr_lf_return = state; |
984 | break; |
4eeb7d09 |
985 | case 34: /* Make cursor BIG */ |
986 | compatibility2(OTHER, VT220); |
987 | big_cursor = !state; |
7594731b |
988 | } |
374330e2 |
989 | } |
990 | |
991 | /* |
992 | * Process an OSC sequence: set window title or icon name. |
993 | */ |
32874aea |
994 | static void do_osc(void) |
995 | { |
374330e2 |
996 | if (osc_w) { |
997 | while (osc_strlen--) |
32874aea |
998 | wordness[(unsigned char) osc_string[osc_strlen]] = esc_args[0]; |
374330e2 |
999 | } else { |
1000 | osc_string[osc_strlen] = '\0'; |
1001 | switch (esc_args[0]) { |
1002 | case 0: |
1003 | case 1: |
0d2086c5 |
1004 | if (!cfg.no_remote_wintitle) |
1005 | set_icon(osc_string); |
374330e2 |
1006 | if (esc_args[0] == 1) |
1007 | break; |
1008 | /* fall through: parameter 0 means set both */ |
1009 | case 2: |
1010 | case 21: |
0d2086c5 |
1011 | if (!cfg.no_remote_wintitle) |
1012 | set_title(osc_string); |
374330e2 |
1013 | break; |
1014 | } |
1015 | } |
1016 | } |
1017 | |
1018 | /* |
b44b307a |
1019 | * ANSI printing routines. |
1020 | */ |
1021 | static void term_print_setup(void) |
1022 | { |
1023 | bufchain_clear(&printer_buf); |
1024 | print_job = printer_start_job(cfg.printer); |
1025 | } |
1026 | static void term_print_flush(void) |
1027 | { |
1028 | void *data; |
1029 | int len; |
1030 | int size; |
1031 | while ((size = bufchain_size(&printer_buf)) > 5) { |
1032 | bufchain_prefix(&printer_buf, &data, &len); |
1033 | if (len > size-5) |
1034 | len = size-5; |
1035 | printer_job_data(print_job, data, len); |
1036 | bufchain_consume(&printer_buf, len); |
1037 | } |
1038 | } |
1039 | static void term_print_finish(void) |
1040 | { |
1041 | void *data; |
1042 | int len, size; |
1043 | char c; |
1044 | |
1709795f |
1045 | if (!printing && !only_printing) |
1046 | return; /* we need do nothing */ |
1047 | |
b44b307a |
1048 | term_print_flush(); |
1049 | while ((size = bufchain_size(&printer_buf)) > 0) { |
1050 | bufchain_prefix(&printer_buf, &data, &len); |
1051 | c = *(char *)data; |
1052 | if (c == '\033' || c == '\233') { |
1053 | bufchain_consume(&printer_buf, size); |
1054 | break; |
1055 | } else { |
1056 | printer_job_data(print_job, &c, 1); |
1057 | bufchain_consume(&printer_buf, 1); |
1058 | } |
1059 | } |
1060 | printer_finish_job(print_job); |
1061 | print_job = NULL; |
1062 | printing = only_printing = FALSE; |
1063 | } |
1064 | |
1065 | /* |
374330e2 |
1066 | * Remove everything currently in `inbuf' and stick it up on the |
1067 | * in-memory display. There's a big state machine in here to |
1068 | * process escape sequences... |
1069 | */ |
32874aea |
1070 | void term_out(void) |
1071 | { |
a748a096 |
1072 | int c, unget; |
1073 | unsigned char localbuf[256], *chars; |
1074 | int nchars = 0; |
1075 | |
1076 | unget = -1; |
1077 | |
1709795f |
1078 | chars = NULL; /* placate compiler warnings */ |
a748a096 |
1079 | while (nchars > 0 || bufchain_size(&inbuf) > 0) { |
1080 | if (unget == -1) { |
1081 | if (nchars == 0) { |
1082 | void *ret; |
1083 | bufchain_prefix(&inbuf, &ret, &nchars); |
1084 | if (nchars > sizeof(localbuf)) |
1085 | nchars = sizeof(localbuf); |
1086 | memcpy(localbuf, ret, nchars); |
1087 | bufchain_consume(&inbuf, nchars); |
1088 | chars = localbuf; |
1089 | assert(chars != NULL); |
1090 | } |
1091 | c = *chars++; |
1092 | nchars--; |
c9def1b8 |
1093 | |
a748a096 |
1094 | /* |
1095 | * Optionally log the session traffic to a file. Useful for |
1096 | * debugging and possibly also useful for actual logging. |
1097 | */ |
1098 | if (cfg.logtype == LGTYP_DEBUG) |
f4e49163 |
1099 | logtraffic((unsigned char) c, LGTYP_DEBUG); |
a748a096 |
1100 | } else { |
1101 | c = unget; |
1102 | unget = -1; |
5a16642f |
1103 | } |
1104 | |
e14a5a13 |
1105 | /* Note only VT220+ are 8-bit VT102 is seven bit, it shouldn't even |
1106 | * be able to display 8-bit characters, but I'll let that go 'cause |
1107 | * of i18n. |
1108 | */ |
4eeb7d09 |
1109 | |
b44b307a |
1110 | /* |
1111 | * If we're printing, add the character to the printer |
1112 | * buffer. |
1113 | */ |
1114 | if (printing) { |
b44b307a |
1115 | bufchain_add(&printer_buf, &c, 1); |
1116 | |
1117 | /* |
1118 | * If we're in print-only mode, we use a much simpler |
1119 | * state machine designed only to recognise the ESC[4i |
1120 | * termination sequence. |
1121 | */ |
1122 | if (only_printing) { |
1123 | if (c == '\033') |
1124 | print_state = 1; |
1125 | else if (c == (unsigned char)'\233') |
1126 | print_state = 2; |
1127 | else if (c == '[' && print_state == 1) |
1128 | print_state = 2; |
1129 | else if (c == '4' && print_state == 2) |
1130 | print_state = 3; |
1131 | else if (c == 'i' && print_state == 3) |
1132 | print_state = 4; |
1133 | else |
1134 | print_state = 0; |
1135 | if (print_state == 4) { |
b44b307a |
1136 | term_print_finish(); |
1137 | } |
1138 | continue; |
1139 | } |
1140 | } |
1141 | |
4eeb7d09 |
1142 | /* First see about all those translations. */ |
1143 | if (termstate == TOPLEVEL) { |
8f22582c |
1144 | if (in_utf) |
4eeb7d09 |
1145 | switch (utf_state) { |
1146 | case 0: |
1147 | if (c < 0x80) { |
8f22582c |
1148 | /* UTF-8 must be stateless so we ignore iso2022. */ |
1149 | if (unitab_ctrl[c] != 0xFF) |
1150 | c = unitab_ctrl[c]; |
1151 | else c = ((unsigned char)c) | ATTR_ASCII; |
1152 | break; |
4eeb7d09 |
1153 | } else if ((c & 0xe0) == 0xc0) { |
1154 | utf_size = utf_state = 1; |
1155 | utf_char = (c & 0x1f); |
1156 | } else if ((c & 0xf0) == 0xe0) { |
1157 | utf_size = utf_state = 2; |
1158 | utf_char = (c & 0x0f); |
1159 | } else if ((c & 0xf8) == 0xf0) { |
1160 | utf_size = utf_state = 3; |
1161 | utf_char = (c & 0x07); |
1162 | } else if ((c & 0xfc) == 0xf8) { |
1163 | utf_size = utf_state = 4; |
1164 | utf_char = (c & 0x03); |
1165 | } else if ((c & 0xfe) == 0xfc) { |
1166 | utf_size = utf_state = 5; |
1167 | utf_char = (c & 0x01); |
1168 | } else { |
1169 | c = UCSERR; |
1170 | break; |
1171 | } |
1172 | continue; |
1173 | case 1: |
1174 | case 2: |
1175 | case 3: |
1176 | case 4: |
1177 | case 5: |
1178 | if ((c & 0xC0) != 0x80) { |
a748a096 |
1179 | unget = c; |
5a16642f |
1180 | c = UCSERR; |
1181 | utf_state = 0; |
4eeb7d09 |
1182 | break; |
1183 | } |
1184 | utf_char = (utf_char << 6) | (c & 0x3f); |
1185 | if (--utf_state) |
1186 | continue; |
1187 | |
1188 | c = utf_char; |
1189 | |
1190 | /* Is somebody trying to be evil! */ |
1191 | if (c < 0x80 || |
1192 | (c < 0x800 && utf_size >= 2) || |
1193 | (c < 0x10000 && utf_size >= 3) || |
1194 | (c < 0x200000 && utf_size >= 4) || |
1195 | (c < 0x4000000 && utf_size >= 5)) |
1196 | c = UCSERR; |
1197 | |
1198 | /* Unicode line separator and paragraph separator are CR-LF */ |
1199 | if (c == 0x2028 || c == 0x2029) |
1200 | c = 0x85; |
1201 | |
1202 | /* High controls are probably a Baaad idea too. */ |
1203 | if (c < 0xA0) |
1204 | c = 0xFFFD; |
1205 | |
1206 | /* The UTF-16 surrogates are not nice either. */ |
1207 | /* The standard give the option of decoding these: |
1208 | * I don't want to! */ |
1209 | if (c >= 0xD800 && c < 0xE000) |
1210 | c = UCSERR; |
1211 | |
1212 | /* ISO 10646 characters now limited to UTF-16 range. */ |
1213 | if (c > 0x10FFFF) |
1214 | c = UCSERR; |
1215 | |
1216 | /* This is currently a TagPhobic application.. */ |
1217 | if (c >= 0xE0000 && c <= 0xE007F) |
1218 | continue; |
1219 | |
1220 | /* U+FEFF is best seen as a null. */ |
1221 | if (c == 0xFEFF) |
1222 | continue; |
1223 | /* But U+FFFE is an error. */ |
1224 | if (c == 0xFFFE || c == 0xFFFF) |
1225 | c = UCSERR; |
1226 | |
1227 | /* Oops this is a 16bit implementation */ |
1228 | if (c >= 0x10000) |
1229 | c = 0xFFFD; |
1230 | break; |
d3cb5465 |
1231 | } |
1232 | /* Are we in the nasty ACS mode? Note: no sco in utf mode. */ |
1233 | else if(sco_acs && |
1234 | (c!='\033' && c!='\n' && c!='\r' && c!='\b')) |
1235 | { |
1236 | if (sco_acs == 2) c ^= 0x80; |
1237 | c |= ATTR_SCOACS; |
4eeb7d09 |
1238 | } else { |
4eeb7d09 |
1239 | switch (cset_attr[cset]) { |
1240 | /* |
1241 | * Linedraw characters are different from 'ESC ( B' |
1242 | * only for a small range. For ones outside that |
1243 | * range, make sure we use the same font as well as |
1244 | * the same encoding. |
1245 | */ |
1246 | case ATTR_LINEDRW: |
1247 | if (unitab_ctrl[c] != 0xFF) |
1248 | c = unitab_ctrl[c]; |
1249 | else |
1250 | c = ((unsigned char) c) | ATTR_LINEDRW; |
1251 | break; |
1252 | |
1253 | case ATTR_GBCHR: |
1254 | /* If UK-ASCII, make the '#' a LineDraw Pound */ |
1255 | if (c == '#') { |
1256 | c = '}' | ATTR_LINEDRW; |
1257 | break; |
1258 | } |
1259 | /*FALLTHROUGH*/ case ATTR_ASCII: |
1260 | if (unitab_ctrl[c] != 0xFF) |
1261 | c = unitab_ctrl[c]; |
1262 | else |
1263 | c = ((unsigned char) c) | ATTR_ASCII; |
1264 | break; |
d3cb5465 |
1265 | case ATTR_SCOACS: |
1266 | if (c>=' ') c = ((unsigned char)c) | ATTR_SCOACS; |
1267 | break; |
4eeb7d09 |
1268 | } |
1269 | } |
1270 | } |
1271 | |
1272 | /* How about C1 controls ? */ |
1273 | if ((c & -32) == 0x80 && termstate < DO_CTRLS && !vt52_mode && |
1274 | has_compat(VT220)) { |
1275 | termstate = SEEN_ESC; |
1276 | esc_query = FALSE; |
1277 | c = '@' + (c & 0x1F); |
1278 | } |
1279 | |
1280 | /* Or the GL control. */ |
1281 | if (c == '\177' && termstate < DO_CTRLS && has_compat(OTHER)) { |
1282 | if (curs.x && !wrapnext) |
1283 | curs.x--; |
1284 | wrapnext = FALSE; |
1285 | fix_cpos; |
0d2086c5 |
1286 | if (!cfg.no_dbackspace) /* destructive bksp might be disabled */ |
1287 | *cpos = (' ' | curr_attr | ATTR_ASCII); |
4eeb7d09 |
1288 | } else |
1289 | /* Or normal C0 controls. */ |
1290 | if ((c & -32) == 0 && termstate < DO_CTRLS) { |
374330e2 |
1291 | switch (c) { |
1292 | case '\005': /* terminal type query */ |
e14a5a13 |
1293 | /* Strictly speaking this is VT100 but a VT100 defaults to |
1294 | * no response. Other terminals respond at their option. |
1295 | * |
1296 | * Don't put a CR in the default string as this tends to |
1297 | * upset some weird software. |
1298 | * |
1299 | * An xterm returns "xterm" (5 characters) |
1300 | */ |
32874aea |
1301 | compatibility(ANSIMIN); |
e7fbcdd8 |
1302 | { |
1303 | char abuf[256], *s, *d; |
32874aea |
1304 | int state = 0; |
1305 | for (s = cfg.answerback, d = abuf; *s; s++) { |
1306 | if (state) { |
1307 | if (*s >= 'a' && *s <= 'z') |
1308 | *d++ = (*s - ('a' - 1)); |
1309 | else if ((*s >= '@' && *s <= '_') || |
1310 | *s == '?' || (*s & 0x80)) |
1311 | *d++ = ('@' ^ *s); |
1312 | else if (*s == '~') |
1313 | *d++ = '^'; |
1314 | state = 0; |
1315 | } else if (*s == '^') { |
1316 | state = 1; |
1317 | } else |
4eeb7d09 |
1318 | *d++ = *s; |
e7fbcdd8 |
1319 | } |
f7f27309 |
1320 | lpage_send(DEFAULT_CODEPAGE, abuf, d - abuf, 0); |
e7fbcdd8 |
1321 | } |
374330e2 |
1322 | break; |
1323 | case '\007': |
156686ef |
1324 | { |
1325 | struct beeptime *newbeep; |
286c6b86 |
1326 | unsigned long ticks; |
156686ef |
1327 | |
f7f27309 |
1328 | ticks = GETTICKCOUNT(); |
156686ef |
1329 | |
1330 | if (!beep_overloaded) { |
1331 | newbeep = smalloc(sizeof(struct beeptime)); |
1332 | newbeep->ticks = ticks; |
1333 | newbeep->next = NULL; |
1334 | if (!beephead) |
1335 | beephead = newbeep; |
1336 | else |
1337 | beeptail->next = newbeep; |
1338 | beeptail = newbeep; |
1339 | nbeeps++; |
1340 | } |
1341 | |
1342 | /* |
1343 | * Throw out any beeps that happened more than |
1344 | * t seconds ago. |
1345 | */ |
1346 | while (beephead && |
7f4968e6 |
1347 | beephead->ticks < ticks - cfg.bellovl_t) { |
156686ef |
1348 | struct beeptime *tmp = beephead; |
1349 | beephead = tmp->next; |
156686ef |
1350 | sfree(tmp); |
1351 | if (!beephead) |
1352 | beeptail = NULL; |
1353 | nbeeps--; |
1354 | } |
1355 | |
1356 | if (cfg.bellovl && beep_overloaded && |
286c6b86 |
1357 | ticks - lastbeep >= (unsigned)cfg.bellovl_s) { |
156686ef |
1358 | /* |
1359 | * If we're currently overloaded and the |
1360 | * last beep was more than s seconds ago, |
1361 | * leave overload mode. |
1362 | */ |
156686ef |
1363 | beep_overloaded = FALSE; |
1364 | } else if (cfg.bellovl && !beep_overloaded && |
1365 | nbeeps >= cfg.bellovl_n) { |
1366 | /* |
1367 | * Now, if we have n or more beeps |
1368 | * remaining in the queue, go into overload |
1369 | * mode. |
1370 | */ |
156686ef |
1371 | beep_overloaded = TRUE; |
1372 | } |
1373 | lastbeep = ticks; |
1374 | |
1375 | /* |
1376 | * Perform an actual beep if we're not overloaded. |
1377 | */ |
f8a28d1f |
1378 | if (!cfg.bellovl || !beep_overloaded) { |
f8a28d1f |
1379 | if (cfg.beep == BELL_VISUAL) { |
156686ef |
1380 | in_vbell = TRUE; |
286c6b86 |
1381 | vbell_startpoint = ticks; |
156686ef |
1382 | term_update(); |
1d3989ed |
1383 | } else |
1384 | beep(cfg.beep); |
156686ef |
1385 | } |
4facdf84 |
1386 | disptop = 0; |
156686ef |
1387 | } |
374330e2 |
1388 | break; |
1389 | case '\b': |
967a161e |
1390 | if (curs.x == 0 && (curs.y == 0 || wrap == 0)); |
4facdf84 |
1391 | else if (curs.x == 0 && curs.y > 0) |
32874aea |
1392 | curs.x = cols - 1, curs.y--; |
374330e2 |
1393 | else if (wrapnext) |
1394 | wrapnext = FALSE; |
1395 | else |
4facdf84 |
1396 | curs.x--; |
374330e2 |
1397 | fix_cpos; |
cabfd08c |
1398 | seen_disp_event = TRUE; |
374330e2 |
1399 | break; |
1400 | case '\016': |
32874aea |
1401 | compatibility(VT100); |
374330e2 |
1402 | cset = 1; |
1403 | break; |
1404 | case '\017': |
32874aea |
1405 | compatibility(VT100); |
374330e2 |
1406 | cset = 0; |
1407 | break; |
1408 | case '\033': |
32874aea |
1409 | if (vt52_mode) |
1410 | termstate = VT52_ESC; |
e14a5a13 |
1411 | else { |
1412 | compatibility(ANSIMIN); |
1413 | termstate = SEEN_ESC; |
4eeb7d09 |
1414 | esc_query = FALSE; |
e14a5a13 |
1415 | } |
374330e2 |
1416 | break; |
374330e2 |
1417 | case '\r': |
4facdf84 |
1418 | curs.x = 0; |
374330e2 |
1419 | wrapnext = FALSE; |
1420 | fix_cpos; |
cabfd08c |
1421 | seen_disp_event = TRUE; |
c9def1b8 |
1422 | paste_hold = 0; |
32874aea |
1423 | logtraffic((unsigned char) c, LGTYP_ASCII); |
374330e2 |
1424 | break; |
374330e2 |
1425 | case '\014': |
1a837633 |
1426 | if (has_compat(SCOANSI)) { |
1427 | move(0, 0, 0); |
1428 | erase_lots(FALSE, FALSE, TRUE); |
1429 | disptop = 0; |
1430 | wrapnext = FALSE; |
1431 | seen_disp_event = 1; |
1432 | break; |
1433 | } |
1434 | case '\013': |
32874aea |
1435 | compatibility(VT100); |
374330e2 |
1436 | case '\n': |
4facdf84 |
1437 | if (curs.y == marg_b) |
32874aea |
1438 | scroll(marg_t, marg_b, 1, TRUE); |
1439 | else if (curs.y < rows - 1) |
4facdf84 |
1440 | curs.y++; |
cabfd08c |
1441 | if (cfg.lfhascr) |
4facdf84 |
1442 | curs.x = 0; |
374330e2 |
1443 | fix_cpos; |
1444 | wrapnext = FALSE; |
cabfd08c |
1445 | seen_disp_event = 1; |
c9def1b8 |
1446 | paste_hold = 0; |
32874aea |
1447 | logtraffic((unsigned char) c, LGTYP_ASCII); |
374330e2 |
1448 | break; |
1449 | case '\t': |
374330e2 |
1450 | { |
4facdf84 |
1451 | pos old_curs = curs; |
1452 | unsigned long *ldata = lineptr(curs.y); |
c9def1b8 |
1453 | |
1454 | do { |
4facdf84 |
1455 | curs.x++; |
32874aea |
1456 | } while (curs.x < cols - 1 && !tabs[curs.x]); |
c9def1b8 |
1457 | |
32874aea |
1458 | if ((ldata[cols] & LATTR_MODE) != LATTR_NORM) { |
1459 | if (curs.x >= cols / 2) |
1460 | curs.x = cols / 2 - 1; |
1461 | } else { |
4facdf84 |
1462 | if (curs.x >= cols) |
32874aea |
1463 | curs.x = cols - 1; |
c9def1b8 |
1464 | } |
1465 | |
374330e2 |
1466 | fix_cpos; |
32874aea |
1467 | check_selection(old_curs, curs); |
374330e2 |
1468 | } |
cabfd08c |
1469 | seen_disp_event = TRUE; |
374330e2 |
1470 | break; |
cabfd08c |
1471 | } |
32874aea |
1472 | } else |
1473 | switch (termstate) { |
1474 | case TOPLEVEL: |
1475 | /* Only graphic characters get this far, ctrls are stripped above */ |
1476 | if (wrapnext && wrap) { |
4eeb7d09 |
1477 | cpos[1] |= LATTR_WRAPPED; |
32874aea |
1478 | if (curs.y == marg_b) |
1479 | scroll(marg_t, marg_b, 1, TRUE); |
1480 | else if (curs.y < rows - 1) |
1481 | curs.y++; |
1482 | curs.x = 0; |
1483 | fix_cpos; |
1484 | wrapnext = FALSE; |
374330e2 |
1485 | } |
32874aea |
1486 | if (insert) |
1487 | insch(1); |
1488 | if (selstate != NO_SELECTION) { |
1489 | pos cursplus = curs; |
1490 | incpos(cursplus); |
1491 | check_selection(curs, cursplus); |
374330e2 |
1492 | } |
4eeb7d09 |
1493 | if ((c & CSET_MASK) == ATTR_ASCII || (c & CSET_MASK) == 0) |
1494 | logtraffic((unsigned char) c, LGTYP_ASCII); |
1495 | { |
1496 | extern int wcwidth(wchar_t ucs); |
1497 | int width = 0; |
1498 | if (DIRECT_CHAR(c)) |
1499 | width = 1; |
1500 | if (!width) |
1501 | width = wcwidth((wchar_t) c); |
1502 | switch (width) { |
1503 | case 2: |
5a73255e |
1504 | *cpos++ = c | curr_attr; |
1505 | if (++curs.x == cols) { |
1506 | *cpos |= LATTR_WRAPPED; |
1507 | if (curs.y == marg_b) |
1508 | scroll(marg_t, marg_b, 1, TRUE); |
1509 | else if (curs.y < rows - 1) |
1510 | curs.y++; |
1511 | curs.x = 0; |
1512 | fix_cpos; |
4eeb7d09 |
1513 | } |
5a73255e |
1514 | *cpos++ = UCSWIDE | curr_attr; |
1515 | break; |
4eeb7d09 |
1516 | case 1: |
1517 | *cpos++ = c | curr_attr; |
32874aea |
1518 | break; |
4eeb7d09 |
1519 | default: |
1520 | continue; |
32874aea |
1521 | } |
374330e2 |
1522 | } |
32874aea |
1523 | curs.x++; |
1524 | if (curs.x == cols) { |
1525 | cpos--; |
1526 | curs.x--; |
1527 | wrapnext = TRUE; |
4eeb7d09 |
1528 | if (wrap && vt52_mode) { |
1529 | cpos[1] |= LATTR_WRAPPED; |
1530 | if (curs.y == marg_b) |
1531 | scroll(marg_t, marg_b, 1, TRUE); |
1532 | else if (curs.y < rows - 1) |
1533 | curs.y++; |
1534 | curs.x = 0; |
1535 | fix_cpos; |
1536 | wrapnext = FALSE; |
1537 | } |
e14a5a13 |
1538 | } |
32874aea |
1539 | seen_disp_event = 1; |
374330e2 |
1540 | break; |
32874aea |
1541 | |
32874aea |
1542 | case OSC_MAYBE_ST: |
1543 | /* |
1544 | * This state is virtually identical to SEEN_ESC, with the |
1545 | * exception that we have an OSC sequence in the pipeline, |
1546 | * and _if_ we see a backslash, we process it. |
1547 | */ |
1548 | if (c == '\\') { |
1549 | do_osc(); |
1550 | termstate = TOPLEVEL; |
1551 | break; |
e14a5a13 |
1552 | } |
32874aea |
1553 | /* else fall through */ |
1554 | case SEEN_ESC: |
4eeb7d09 |
1555 | if (c >= ' ' && c <= '/') { |
1556 | if (esc_query) |
1557 | esc_query = -1; |
1558 | else |
1559 | esc_query = c; |
32874aea |
1560 | break; |
4eeb7d09 |
1561 | } |
1562 | termstate = TOPLEVEL; |
1563 | switch (ANSI(c, esc_query)) { |
32874aea |
1564 | case '[': /* enter CSI mode */ |
1565 | termstate = SEEN_CSI; |
1566 | esc_nargs = 1; |
1567 | esc_args[0] = ARG_DEFAULT; |
1568 | esc_query = FALSE; |
1569 | break; |
1570 | case ']': /* xterm escape sequences */ |
1571 | /* Compatibility is nasty here, xterm, linux, decterm yuk! */ |
1572 | compatibility(OTHER); |
1573 | termstate = SEEN_OSC; |
1574 | esc_args[0] = 0; |
1575 | break; |
32874aea |
1576 | case '7': /* save cursor */ |
1577 | compatibility(VT100); |
1578 | save_cursor(TRUE); |
1579 | break; |
1580 | case '8': /* restore cursor */ |
1581 | compatibility(VT100); |
1582 | save_cursor(FALSE); |
1583 | seen_disp_event = TRUE; |
1584 | break; |
1585 | case '=': |
1586 | compatibility(VT100); |
1587 | app_keypad_keys = TRUE; |
1588 | break; |
1589 | case '>': |
1590 | compatibility(VT100); |
1591 | app_keypad_keys = FALSE; |
1592 | break; |
1593 | case 'D': /* exactly equivalent to LF */ |
1594 | compatibility(VT100); |
1595 | if (curs.y == marg_b) |
1596 | scroll(marg_t, marg_b, 1, TRUE); |
1597 | else if (curs.y < rows - 1) |
1598 | curs.y++; |
1599 | fix_cpos; |
1600 | wrapnext = FALSE; |
1601 | seen_disp_event = TRUE; |
1602 | break; |
1603 | case 'E': /* exactly equivalent to CR-LF */ |
1604 | compatibility(VT100); |
1605 | curs.x = 0; |
1606 | if (curs.y == marg_b) |
1607 | scroll(marg_t, marg_b, 1, TRUE); |
1608 | else if (curs.y < rows - 1) |
1609 | curs.y++; |
1610 | fix_cpos; |
1611 | wrapnext = FALSE; |
1612 | seen_disp_event = TRUE; |
1613 | break; |
1614 | case 'M': /* reverse index - backwards LF */ |
1615 | compatibility(VT100); |
1616 | if (curs.y == marg_t) |
1617 | scroll(marg_t, marg_b, -1, TRUE); |
1618 | else if (curs.y > 0) |
1619 | curs.y--; |
1620 | fix_cpos; |
1621 | wrapnext = FALSE; |
1622 | seen_disp_event = TRUE; |
1623 | break; |
1624 | case 'Z': /* terminal type query */ |
1625 | compatibility(VT100); |
760e88b2 |
1626 | ldisc_send(id_string, strlen(id_string), 0); |
32874aea |
1627 | break; |
1628 | case 'c': /* restore power-on settings */ |
1629 | compatibility(VT100); |
1630 | power_on(); |
1631 | if (reset_132) { |
0d2086c5 |
1632 | if (!cfg.no_remote_resize) |
1633 | request_resize(80, rows); |
32874aea |
1634 | reset_132 = 0; |
374330e2 |
1635 | } |
32874aea |
1636 | fix_cpos; |
1637 | disptop = 0; |
1638 | seen_disp_event = TRUE; |
1639 | break; |
32874aea |
1640 | case 'H': /* set a tab */ |
1641 | compatibility(VT100); |
1642 | tabs[curs.x] = TRUE; |
1643 | break; |
4eeb7d09 |
1644 | |
1645 | case ANSI('8', '#'): /* ESC # 8 fills screen with Es :-) */ |
1646 | compatibility(VT100); |
1647 | { |
1648 | unsigned long *ldata; |
1649 | int i, j; |
1650 | pos scrtop, scrbot; |
1651 | |
1652 | for (i = 0; i < rows; i++) { |
1653 | ldata = lineptr(i); |
1654 | for (j = 0; j < cols; j++) |
1655 | ldata[j] = ATTR_DEFAULT | 'E'; |
1656 | ldata[cols] = 0; |
1657 | } |
1658 | disptop = 0; |
1659 | seen_disp_event = TRUE; |
1660 | scrtop.x = scrtop.y = 0; |
1661 | scrbot.x = 0; |
1662 | scrbot.y = rows; |
1663 | check_selection(scrtop, scrbot); |
1664 | } |
1665 | break; |
1666 | |
1667 | case ANSI('3', '#'): |
1668 | case ANSI('4', '#'): |
1669 | case ANSI('5', '#'): |
1670 | case ANSI('6', '#'): |
1671 | compatibility(VT100); |
1672 | { |
1673 | unsigned long nlattr; |
1674 | unsigned long *ldata; |
1675 | switch (ANSI(c, esc_query)) { |
1676 | case ANSI('3', '#'): |
1677 | nlattr = LATTR_TOP; |
1678 | break; |
1679 | case ANSI('4', '#'): |
1680 | nlattr = LATTR_BOT; |
1681 | break; |
1682 | case ANSI('5', '#'): |
1683 | nlattr = LATTR_NORM; |
1684 | break; |
2d466ffd |
1685 | default: /* spiritually case ANSI('6', '#'): */ |
4eeb7d09 |
1686 | nlattr = LATTR_WIDE; |
1687 | break; |
1688 | } |
1689 | ldata = lineptr(curs.y); |
1690 | ldata[cols] &= ~LATTR_MODE; |
1691 | ldata[cols] |= nlattr; |
1692 | } |
1693 | break; |
1694 | |
1695 | case ANSI('A', '('): |
1696 | compatibility(VT100); |
0d2086c5 |
1697 | if (!cfg.no_remote_charset) |
1698 | cset_attr[0] = ATTR_GBCHR; |
4eeb7d09 |
1699 | break; |
1700 | case ANSI('B', '('): |
1701 | compatibility(VT100); |
0d2086c5 |
1702 | if (!cfg.no_remote_charset) |
1703 | cset_attr[0] = ATTR_ASCII; |
4eeb7d09 |
1704 | break; |
1705 | case ANSI('0', '('): |
1706 | compatibility(VT100); |
0d2086c5 |
1707 | if (!cfg.no_remote_charset) |
1708 | cset_attr[0] = ATTR_LINEDRW; |
4eeb7d09 |
1709 | break; |
d3cb5465 |
1710 | case ANSI('U', '('): |
1711 | compatibility(OTHER); |
0d2086c5 |
1712 | if (!cfg.no_remote_charset) |
1713 | cset_attr[0] = ATTR_SCOACS; |
d3cb5465 |
1714 | break; |
4eeb7d09 |
1715 | |
1716 | case ANSI('A', ')'): |
1717 | compatibility(VT100); |
0d2086c5 |
1718 | if (!cfg.no_remote_charset) |
1719 | cset_attr[1] = ATTR_GBCHR; |
4eeb7d09 |
1720 | break; |
1721 | case ANSI('B', ')'): |
1722 | compatibility(VT100); |
0d2086c5 |
1723 | if (!cfg.no_remote_charset) |
1724 | cset_attr[1] = ATTR_ASCII; |
4eeb7d09 |
1725 | break; |
1726 | case ANSI('0', ')'): |
1727 | compatibility(VT100); |
0d2086c5 |
1728 | if (!cfg.no_remote_charset) |
1729 | cset_attr[1] = ATTR_LINEDRW; |
4eeb7d09 |
1730 | break; |
d3cb5465 |
1731 | case ANSI('U', ')'): |
1732 | compatibility(OTHER); |
0d2086c5 |
1733 | if (!cfg.no_remote_charset) |
1734 | cset_attr[1] = ATTR_SCOACS; |
d3cb5465 |
1735 | break; |
4eeb7d09 |
1736 | |
1737 | case ANSI('8', '%'): /* Old Linux code */ |
1738 | case ANSI('G', '%'): |
1739 | compatibility(OTHER); |
0d2086c5 |
1740 | if (!cfg.no_remote_charset) |
1741 | utf = 1; |
4eeb7d09 |
1742 | break; |
1743 | case ANSI('@', '%'): |
1744 | compatibility(OTHER); |
0d2086c5 |
1745 | if (!cfg.no_remote_charset) |
1746 | utf = 0; |
4eeb7d09 |
1747 | break; |
374330e2 |
1748 | } |
1749 | break; |
32874aea |
1750 | case SEEN_CSI: |
1751 | termstate = TOPLEVEL; /* default */ |
1752 | if (isdigit(c)) { |
1753 | if (esc_nargs <= ARGS_MAX) { |
1754 | if (esc_args[esc_nargs - 1] == ARG_DEFAULT) |
1755 | esc_args[esc_nargs - 1] = 0; |
1756 | esc_args[esc_nargs - 1] = |
1757 | 10 * esc_args[esc_nargs - 1] + c - '0'; |
1758 | } |
1759 | termstate = SEEN_CSI; |
1760 | } else if (c == ';') { |
1761 | if (++esc_nargs <= ARGS_MAX) |
1762 | esc_args[esc_nargs - 1] = ARG_DEFAULT; |
1763 | termstate = SEEN_CSI; |
1764 | } else if (c < '@') { |
1765 | if (esc_query) |
1766 | esc_query = -1; |
1767 | else if (c == '?') |
1768 | esc_query = TRUE; |
1769 | else |
1770 | esc_query = c; |
1771 | termstate = SEEN_CSI; |
1772 | } else |
1773 | switch (ANSI(c, esc_query)) { |
1774 | case 'A': /* move up N lines */ |
1775 | move(curs.x, curs.y - def(esc_args[0], 1), 1); |
1776 | seen_disp_event = TRUE; |
1777 | break; |
1778 | case 'e': /* move down N lines */ |
1779 | compatibility(ANSI); |
5442e92f |
1780 | /* FALLTHROUGH */ |
32874aea |
1781 | case 'B': |
1782 | move(curs.x, curs.y + def(esc_args[0], 1), 1); |
1783 | seen_disp_event = TRUE; |
1784 | break; |
32874aea |
1785 | case ANSI('c', '>'): /* report xterm version */ |
1786 | compatibility(OTHER); |
1787 | /* this reports xterm version 136 so that VIM can |
1788 | use the drag messages from the mouse reporting */ |
760e88b2 |
1789 | ldisc_send("\033[>0;136;0c", 11, 0); |
32874aea |
1790 | break; |
5442e92f |
1791 | case 'a': /* move right N cols */ |
1792 | compatibility(ANSI); |
1793 | /* FALLTHROUGH */ |
32874aea |
1794 | case 'C': |
1795 | move(curs.x + def(esc_args[0], 1), curs.y, 1); |
1796 | seen_disp_event = TRUE; |
1797 | break; |
1798 | case 'D': /* move left N cols */ |
1799 | move(curs.x - def(esc_args[0], 1), curs.y, 1); |
1800 | seen_disp_event = TRUE; |
1801 | break; |
1802 | case 'E': /* move down N lines and CR */ |
1803 | compatibility(ANSI); |
1804 | move(0, curs.y + def(esc_args[0], 1), 1); |
1805 | seen_disp_event = TRUE; |
1806 | break; |
1807 | case 'F': /* move up N lines and CR */ |
1808 | compatibility(ANSI); |
1809 | move(0, curs.y - def(esc_args[0], 1), 1); |
1810 | seen_disp_event = TRUE; |
1811 | break; |
1812 | case 'G': |
1813 | case '`': /* set horizontal posn */ |
1814 | compatibility(ANSI); |
1815 | move(def(esc_args[0], 1) - 1, curs.y, 0); |
1816 | seen_disp_event = TRUE; |
1817 | break; |
1818 | case 'd': /* set vertical posn */ |
1819 | compatibility(ANSI); |
1820 | move(curs.x, |
1821 | (dec_om ? marg_t : 0) + def(esc_args[0], |
1822 | 1) - 1, |
1823 | (dec_om ? 2 : 0)); |
1824 | seen_disp_event = TRUE; |
1825 | break; |
1826 | case 'H': |
1827 | case 'f': /* set horz and vert posns at once */ |
1828 | if (esc_nargs < 2) |
1829 | esc_args[1] = ARG_DEFAULT; |
1830 | move(def(esc_args[1], 1) - 1, |
1831 | (dec_om ? marg_t : 0) + def(esc_args[0], |
1832 | 1) - 1, |
1833 | (dec_om ? 2 : 0)); |
1834 | seen_disp_event = TRUE; |
1835 | break; |
1836 | case 'J': /* erase screen or parts of it */ |
1837 | { |
1838 | unsigned int i = def(esc_args[0], 0) + 1; |
1839 | if (i > 3) |
1840 | i = 0; |
1841 | erase_lots(FALSE, !!(i & 2), !!(i & 1)); |
1842 | } |
1843 | disptop = 0; |
1844 | seen_disp_event = TRUE; |
1845 | break; |
1846 | case 'K': /* erase line or parts of it */ |
1847 | { |
1848 | unsigned int i = def(esc_args[0], 0) + 1; |
1849 | if (i > 3) |
1850 | i = 0; |
1851 | erase_lots(TRUE, !!(i & 2), !!(i & 1)); |
1852 | } |
1853 | seen_disp_event = TRUE; |
1854 | break; |
1855 | case 'L': /* insert lines */ |
1856 | compatibility(VT102); |
1857 | if (curs.y <= marg_b) |
1858 | scroll(curs.y, marg_b, -def(esc_args[0], 1), |
1859 | FALSE); |
1860 | fix_cpos; |
1861 | seen_disp_event = TRUE; |
1862 | break; |
1863 | case 'M': /* delete lines */ |
1864 | compatibility(VT102); |
1865 | if (curs.y <= marg_b) |
1866 | scroll(curs.y, marg_b, def(esc_args[0], 1), |
1867 | TRUE); |
1868 | fix_cpos; |
1869 | seen_disp_event = TRUE; |
1870 | break; |
1871 | case '@': /* insert chars */ |
1872 | /* XXX VTTEST says this is vt220, vt510 manual says vt102 */ |
1873 | compatibility(VT102); |
1874 | insch(def(esc_args[0], 1)); |
1875 | seen_disp_event = TRUE; |
1876 | break; |
1877 | case 'P': /* delete chars */ |
1878 | compatibility(VT102); |
1879 | insch(-def(esc_args[0], 1)); |
1880 | seen_disp_event = TRUE; |
1881 | break; |
1882 | case 'c': /* terminal type query */ |
1883 | compatibility(VT100); |
1884 | /* This is the response for a VT102 */ |
760e88b2 |
1885 | ldisc_send(id_string, strlen(id_string), 0); |
32874aea |
1886 | break; |
1887 | case 'n': /* cursor position query */ |
1888 | if (esc_args[0] == 6) { |
1889 | char buf[32]; |
1890 | sprintf(buf, "\033[%d;%dR", curs.y + 1, |
1891 | curs.x + 1); |
760e88b2 |
1892 | ldisc_send(buf, strlen(buf), 0); |
32874aea |
1893 | } else if (esc_args[0] == 5) { |
760e88b2 |
1894 | ldisc_send("\033[0n", 4, 0); |
32874aea |
1895 | } |
1896 | break; |
1897 | case 'h': /* toggle modes to high */ |
1898 | case ANSI_QUE('h'): |
1899 | compatibility(VT100); |
1900 | { |
1901 | int i; |
1902 | for (i = 0; i < esc_nargs; i++) |
1903 | toggle_mode(esc_args[i], esc_query, TRUE); |
1904 | } |
1905 | break; |
b44b307a |
1906 | case 'i': |
1907 | case ANSI_QUE('i'): |
1908 | compatibility(VT100); |
1909 | { |
b44b307a |
1910 | if (esc_nargs != 1) break; |
1911 | if (esc_args[0] == 5 && *cfg.printer) { |
1912 | printing = TRUE; |
1913 | only_printing = !esc_query; |
1914 | print_state = 0; |
1915 | term_print_setup(); |
1916 | } else if (esc_args[0] == 4 && printing) { |
b44b307a |
1917 | term_print_finish(); |
1918 | } |
1919 | } |
1920 | break; |
32874aea |
1921 | case 'l': /* toggle modes to low */ |
1922 | case ANSI_QUE('l'): |
1923 | compatibility(VT100); |
1924 | { |
1925 | int i; |
1926 | for (i = 0; i < esc_nargs; i++) |
1927 | toggle_mode(esc_args[i], esc_query, FALSE); |
1928 | } |
1929 | break; |
1930 | case 'g': /* clear tabs */ |
1931 | compatibility(VT100); |
1932 | if (esc_nargs == 1) { |
1933 | if (esc_args[0] == 0) { |
1934 | tabs[curs.x] = FALSE; |
1935 | } else if (esc_args[0] == 3) { |
1936 | int i; |
1937 | for (i = 0; i < cols; i++) |
1938 | tabs[i] = FALSE; |
1939 | } |
1940 | } |
1941 | break; |
1942 | case 'r': /* set scroll margins */ |
1943 | compatibility(VT100); |
1944 | if (esc_nargs <= 2) { |
1945 | int top, bot; |
1946 | top = def(esc_args[0], 1) - 1; |
1947 | bot = (esc_nargs <= 1 |
1948 | || esc_args[1] == |
1949 | 0 ? rows : def(esc_args[1], rows)) - 1; |
1950 | if (bot >= rows) |
1951 | bot = rows - 1; |
1952 | /* VTTEST Bug 9 - if region is less than 2 lines |
1953 | * don't change region. |
1954 | */ |
1955 | if (bot - top > 0) { |
1956 | marg_t = top; |
1957 | marg_b = bot; |
1958 | curs.x = 0; |
1959 | /* |
1960 | * I used to think the cursor should be |
1961 | * placed at the top of the newly marginned |
1962 | * area. Apparently not: VMS TPU falls over |
1963 | * if so. |
1964 | * |
1965 | * Well actually it should for Origin mode - RDB |
1966 | */ |
1967 | curs.y = (dec_om ? marg_t : 0); |
1968 | fix_cpos; |
1969 | seen_disp_event = TRUE; |
1970 | } |
1971 | } |
1972 | break; |
1973 | case 'm': /* set graphics rendition */ |
1974 | { |
1975 | /* |
1976 | * A VT100 without the AVO only had one attribute, either |
1977 | * underline or reverse video depending on the cursor type, |
1978 | * this was selected by CSI 7m. |
1979 | * |
1980 | * case 2: |
4eeb7d09 |
1981 | * This is sometimes DIM, eg on the GIGI and Linux |
32874aea |
1982 | * case 8: |
4eeb7d09 |
1983 | * This is sometimes INVIS various ANSI. |
32874aea |
1984 | * case 21: |
1985 | * This like 22 disables BOLD, DIM and INVIS |
1986 | * |
1987 | * The ANSI colours appear on any terminal that has colour |
1988 | * (obviously) but the interaction between sgr0 and the |
1989 | * colours varies but is usually related to the background |
1990 | * colour erase item. |
1991 | * The interaction between colour attributes and the mono |
1992 | * ones is also very implementation dependent. |
1993 | * |
1994 | * The 39 and 49 attributes are likely to be unimplemented. |
1995 | */ |
1996 | int i; |
1997 | for (i = 0; i < esc_nargs; i++) { |
1998 | switch (def(esc_args[i], 0)) { |
1999 | case 0: /* restore defaults */ |
2000 | curr_attr = ATTR_DEFAULT; |
2001 | break; |
2002 | case 1: /* enable bold */ |
2003 | compatibility(VT100AVO); |
2004 | curr_attr |= ATTR_BOLD; |
2005 | break; |
2006 | case 21: /* (enable double underline) */ |
2007 | compatibility(OTHER); |
2008 | case 4: /* enable underline */ |
2009 | compatibility(VT100AVO); |
2010 | curr_attr |= ATTR_UNDER; |
2011 | break; |
2012 | case 5: /* enable blink */ |
2013 | compatibility(VT100AVO); |
2014 | curr_attr |= ATTR_BLINK; |
2015 | break; |
2016 | case 7: /* enable reverse video */ |
2017 | curr_attr |= ATTR_REVERSE; |
2018 | break; |
d3cb5465 |
2019 | case 10: /* SCO acs off */ |
2020 | compatibility(SCOANSI); |
0d2086c5 |
2021 | if (cfg.no_remote_charset) break; |
d3cb5465 |
2022 | sco_acs = 0; break; |
2023 | case 11: /* SCO acs on */ |
2024 | compatibility(SCOANSI); |
0d2086c5 |
2025 | if (cfg.no_remote_charset) break; |
d3cb5465 |
2026 | sco_acs = 1; break; |
2027 | case 12: /* SCO acs on flipped */ |
2028 | compatibility(SCOANSI); |
0d2086c5 |
2029 | if (cfg.no_remote_charset) break; |
d3cb5465 |
2030 | sco_acs = 2; break; |
32874aea |
2031 | case 22: /* disable bold */ |
2032 | compatibility2(OTHER, VT220); |
2033 | curr_attr &= ~ATTR_BOLD; |
2034 | break; |
2035 | case 24: /* disable underline */ |
2036 | compatibility2(OTHER, VT220); |
2037 | curr_attr &= ~ATTR_UNDER; |
2038 | break; |
2039 | case 25: /* disable blink */ |
2040 | compatibility2(OTHER, VT220); |
2041 | curr_attr &= ~ATTR_BLINK; |
2042 | break; |
2043 | case 27: /* disable reverse video */ |
2044 | compatibility2(OTHER, VT220); |
2045 | curr_attr &= ~ATTR_REVERSE; |
2046 | break; |
2047 | case 30: |
2048 | case 31: |
2049 | case 32: |
2050 | case 33: |
2051 | case 34: |
2052 | case 35: |
2053 | case 36: |
2054 | case 37: |
2055 | /* foreground */ |
2056 | curr_attr &= ~ATTR_FGMASK; |
2057 | curr_attr |= |
2058 | (esc_args[i] - 30) << ATTR_FGSHIFT; |
2059 | break; |
2060 | case 39: /* default-foreground */ |
2061 | curr_attr &= ~ATTR_FGMASK; |
2062 | curr_attr |= ATTR_DEFFG; |
2063 | break; |
2064 | case 40: |
2065 | case 41: |
2066 | case 42: |
2067 | case 43: |
2068 | case 44: |
2069 | case 45: |
2070 | case 46: |
2071 | case 47: |
2072 | /* background */ |
2073 | curr_attr &= ~ATTR_BGMASK; |
2074 | curr_attr |= |
2075 | (esc_args[i] - 40) << ATTR_BGSHIFT; |
2076 | break; |
2077 | case 49: /* default-background */ |
2078 | curr_attr &= ~ATTR_BGMASK; |
2079 | curr_attr |= ATTR_DEFBG; |
2080 | break; |
2081 | } |
2082 | } |
2083 | if (use_bce) |
8f22582c |
2084 | erase_char = (' ' | ATTR_ASCII | |
2085 | (curr_attr & |
2086 | (ATTR_FGMASK | ATTR_BGMASK))); |
32874aea |
2087 | } |
2088 | break; |
2089 | case 's': /* save cursor */ |
2090 | save_cursor(TRUE); |
2091 | break; |
2092 | case 'u': /* restore cursor */ |
2093 | save_cursor(FALSE); |
2094 | seen_disp_event = TRUE; |
2095 | break; |
2096 | case 't': /* set page size - ie window height */ |
374330e2 |
2097 | /* |
32874aea |
2098 | * VT340/VT420 sequence DECSLPP, DEC only allows values |
2099 | * 24/25/36/48/72/144 other emulators (eg dtterm) use |
2100 | * illegal values (eg first arg 1..9) for window changing |
2101 | * and reports. |
2102 | */ |
32874aea |
2103 | if (esc_nargs <= 1 |
2104 | && (esc_args[0] < 1 || esc_args[0] >= 24)) { |
68f9b3d9 |
2105 | compatibility(VT340TEXT); |
0d2086c5 |
2106 | if (!cfg.no_remote_resize) |
2107 | request_resize(cols, def(esc_args[0], 24)); |
32874aea |
2108 | deselect(); |
68f9b3d9 |
2109 | } else if (esc_nargs >= 1 && |
2110 | esc_args[0] >= 1 && |
2111 | esc_args[0] < 24) { |
2112 | compatibility(OTHER); |
2113 | |
2114 | switch (esc_args[0]) { |
2115 | int x, y, len; |
2116 | char buf[80], *p; |
2117 | case 1: |
2118 | set_iconic(FALSE); |
2119 | break; |
2120 | case 2: |
2121 | set_iconic(TRUE); |
2122 | break; |
2123 | case 3: |
2124 | if (esc_nargs >= 3) { |
740f2ef2 |
2125 | if (!cfg.no_remote_resize) |
2126 | move_window(def(esc_args[1], 0), |
2127 | def(esc_args[2], 0)); |
68f9b3d9 |
2128 | } |
2129 | break; |
2130 | case 4: |
2131 | /* We should resize the window to a given |
2132 | * size in pixels here, but currently our |
2133 | * resizing code isn't healthy enough to |
2134 | * manage it. */ |
2135 | break; |
2136 | case 5: |
2137 | set_zorder(TRUE); /* move to top */ |
2138 | break; |
2139 | case 6: |
2140 | set_zorder(FALSE); /* move to bottom */ |
2141 | break; |
2142 | case 7: |
2143 | refresh_window(); |
2144 | break; |
2145 | case 8: |
2146 | if (esc_nargs >= 3) { |
0d2086c5 |
2147 | if (!cfg.no_remote_resize) |
2148 | request_resize(def(esc_args[2], cfg.width), |
2149 | def(esc_args[1], cfg.height)); |
68f9b3d9 |
2150 | } |
2151 | break; |
2152 | case 9: |
2153 | if (esc_nargs >= 2) |
2154 | set_zoomed(esc_args[1] ? TRUE : FALSE); |
2155 | break; |
2156 | case 11: |
2157 | ldisc_send(is_iconic() ? "\033[1t" : "\033[2t", |
2158 | 4, 0); |
2159 | break; |
2160 | case 13: |
2161 | get_window_pos(&x, &y); |
2162 | len = sprintf(buf, "\033[3;%d;%dt", x, y); |
2163 | ldisc_send(buf, len, 0); |
2164 | break; |
2165 | case 14: |
2166 | get_window_pixels(&x, &y); |
2167 | len = sprintf(buf, "\033[4;%d;%dt", x, y); |
2168 | ldisc_send(buf, len, 0); |
2169 | break; |
2170 | case 18: |
2171 | len = sprintf(buf, "\033[8;%d;%dt", |
0622ea71 |
2172 | rows, cols); |
68f9b3d9 |
2173 | ldisc_send(buf, len, 0); |
2174 | break; |
2175 | case 19: |
2176 | /* |
2177 | * Hmmm. Strictly speaking we |
2178 | * should return `the size of the |
2179 | * screen in characters', but |
2180 | * that's not easy: (a) window |
2181 | * furniture being what it is it's |
2182 | * hard to compute, and (b) in |
2183 | * resize-font mode maximising the |
2184 | * window wouldn't change the |
2185 | * number of characters. *shrug*. I |
2186 | * think we'll ignore it for the |
2187 | * moment and see if anyone |
2188 | * complains, and then ask them |
2189 | * what they would like it to do. |
2190 | */ |
2191 | break; |
2192 | case 20: |
2193 | p = get_window_title(TRUE); |
2194 | len = strlen(p); |
2195 | ldisc_send("\033]L", 3, 0); |
2196 | ldisc_send(p, len, 0); |
2197 | ldisc_send("\033\\", 2, 0); |
2198 | break; |
2199 | case 21: |
2200 | p = get_window_title(FALSE); |
2201 | len = strlen(p); |
2202 | ldisc_send("\033]l", 3, 0); |
2203 | ldisc_send(p, len, 0); |
2204 | ldisc_send("\033\\", 2, 0); |
2205 | break; |
2206 | } |
32874aea |
2207 | } |
2208 | break; |
1a837633 |
2209 | case 'S': |
2210 | compatibility(SCOANSI); |
2211 | scroll(marg_t, marg_b, def(esc_args[0], 1), TRUE); |
2212 | fix_cpos; |
2213 | wrapnext = FALSE; |
2214 | seen_disp_event = TRUE; |
2215 | break; |
2216 | case 'T': |
2217 | compatibility(SCOANSI); |
2218 | scroll(marg_t, marg_b, -def(esc_args[0], 1), TRUE); |
2219 | fix_cpos; |
2220 | wrapnext = FALSE; |
2221 | seen_disp_event = TRUE; |
2222 | break; |
32874aea |
2223 | case ANSI('|', '*'): |
2224 | /* VT420 sequence DECSNLS |
2225 | * Set number of lines on screen |
2226 | * VT420 uses VGA like hardware and can support any size in |
2227 | * reasonable range (24..49 AIUI) with no default specified. |
2228 | */ |
2229 | compatibility(VT420); |
2230 | if (esc_nargs == 1 && esc_args[0] > 0) { |
0d2086c5 |
2231 | if (!cfg.no_remote_resize) |
2232 | request_resize(cols, def(esc_args[0], cfg.height)); |
32874aea |
2233 | deselect(); |
2234 | } |
2235 | break; |
2236 | case ANSI('|', '$'): |
2237 | /* VT340/VT420 sequence DECSCPP |
2238 | * Set number of columns per page |
2239 | * Docs imply range is only 80 or 132, but I'll allow any. |
2240 | */ |
2241 | compatibility(VT340TEXT); |
2242 | if (esc_nargs <= 1) { |
0d2086c5 |
2243 | if (!cfg.no_remote_resize) |
2244 | request_resize(def(esc_args[0], cfg.width), rows); |
32874aea |
2245 | deselect(); |
2246 | } |
2247 | break; |
2248 | case 'X': /* write N spaces w/o moving cursor */ |
2249 | /* XXX VTTEST says this is vt220, vt510 manual says vt100 */ |
2250 | compatibility(ANSIMIN); |
2251 | { |
2252 | int n = def(esc_args[0], 1); |
2253 | pos cursplus; |
2254 | unsigned long *p = cpos; |
2255 | if (n > cols - curs.x) |
2256 | n = cols - curs.x; |
2257 | cursplus = curs; |
2258 | cursplus.x += n; |
2259 | check_selection(curs, cursplus); |
2260 | while (n--) |
2261 | *p++ = erase_char; |
2262 | seen_disp_event = TRUE; |
2263 | } |
2264 | break; |
2265 | case 'x': /* report terminal characteristics */ |
2266 | compatibility(VT100); |
2267 | { |
2268 | char buf[32]; |
2269 | int i = def(esc_args[0], 0); |
2270 | if (i == 0 || i == 1) { |
2271 | strcpy(buf, "\033[2;1;1;112;112;1;0x"); |
2272 | buf[2] += i; |
760e88b2 |
2273 | ldisc_send(buf, 20, 0); |
32874aea |
2274 | } |
2275 | } |
2276 | break; |
979f6987 |
2277 | case 'Z': /* BackTab for xterm */ |
2278 | compatibility(OTHER); |
2279 | { |
2280 | int i = def(esc_args[0], 1); |
2281 | pos old_curs = curs; |
2282 | |
2283 | for(;i>0 && curs.x>0; i--) { |
2284 | do { |
2285 | curs.x--; |
2286 | } while (curs.x >0 && !tabs[curs.x]); |
2287 | } |
2288 | fix_cpos; |
2289 | check_selection(old_curs, curs); |
2290 | } |
2291 | break; |
32874aea |
2292 | case ANSI('L', '='): |
2293 | compatibility(OTHER); |
2294 | use_bce = (esc_args[0] <= 0); |
2295 | erase_char = ERASE_CHAR; |
2296 | if (use_bce) |
8f22582c |
2297 | erase_char = (' ' | ATTR_ASCII | |
2298 | (curr_attr & |
2299 | (ATTR_FGMASK | ATTR_BGMASK))); |
32874aea |
2300 | break; |
2301 | case ANSI('E', '='): |
2302 | compatibility(OTHER); |
2303 | blink_is_real = (esc_args[0] >= 1); |
2304 | break; |
2305 | case ANSI('p', '"'): |
2306 | /* Allow the host to make this emulator a 'perfect' VT102. |
2307 | * This first appeared in the VT220, but we do need to get |
2308 | * back to PuTTY mode so I won't check it. |
e14a5a13 |
2309 | * |
4eeb7d09 |
2310 | * The arg in 40..42,50 are a PuTTY extension. |
32874aea |
2311 | * The 2nd arg, 8bit vs 7bit is not checked. |
2312 | * |
2313 | * Setting VT102 mode should also change the Fkeys to |
2314 | * generate PF* codes as a real VT102 has no Fkeys. |
2315 | * The VT220 does this, F11..F13 become ESC,BS,LF other Fkeys |
2316 | * send nothing. |
2317 | * |
2318 | * Note ESC c will NOT change this! |
374330e2 |
2319 | */ |
32874aea |
2320 | |
2321 | switch (esc_args[0]) { |
2322 | case 61: |
2323 | compatibility_level &= ~TM_VTXXX; |
2324 | compatibility_level |= TM_VT102; |
374330e2 |
2325 | break; |
32874aea |
2326 | case 62: |
2327 | compatibility_level &= ~TM_VTXXX; |
2328 | compatibility_level |= TM_VT220; |
2329 | break; |
2330 | |
2331 | default: |
2332 | if (esc_args[0] > 60 && esc_args[0] < 70) |
2333 | compatibility_level |= TM_VTXXX; |
2334 | break; |
2335 | |
2336 | case 40: |
2337 | compatibility_level &= TM_VTXXX; |
374330e2 |
2338 | break; |
32874aea |
2339 | case 41: |
2340 | compatibility_level = TM_PUTTY; |
374330e2 |
2341 | break; |
32874aea |
2342 | case 42: |
2343 | compatibility_level = TM_SCOANSI; |
374330e2 |
2344 | break; |
32874aea |
2345 | |
2346 | case ARG_DEFAULT: |
2347 | compatibility_level = TM_PUTTY; |
2348 | break; |
2349 | case 50: |
2350 | break; |
2351 | } |
2352 | |
2353 | /* Change the response to CSI c */ |
2354 | if (esc_args[0] == 50) { |
2355 | int i; |
2356 | char lbuf[64]; |
2357 | strcpy(id_string, "\033[?"); |
2358 | for (i = 1; i < esc_nargs; i++) { |
2359 | if (i != 1) |
2360 | strcat(id_string, ";"); |
2361 | sprintf(lbuf, "%d", esc_args[i]); |
2362 | strcat(id_string, lbuf); |
2363 | } |
2364 | strcat(id_string, "c"); |
2365 | } |
2366 | #if 0 |
2367 | /* Is this a good idea ? |
2368 | * Well we should do a soft reset at this point ... |
2369 | */ |
2370 | if (!has_compat(VT420) && has_compat(VT100)) { |
0d2086c5 |
2371 | if (!cfg.no_remote_resize) { |
2372 | if (reset_132) |
2373 | request_resize(132, 24); |
2374 | else |
2375 | request_resize(80, 24); |
2376 | } |
374330e2 |
2377 | } |
32874aea |
2378 | #endif |
2379 | break; |
374330e2 |
2380 | } |
374330e2 |
2381 | break; |
32874aea |
2382 | case SEEN_OSC: |
2383 | osc_w = FALSE; |
2384 | switch (c) { |
2385 | case 'P': /* Linux palette sequence */ |
2386 | termstate = SEEN_OSC_P; |
2387 | osc_strlen = 0; |
2388 | break; |
2389 | case 'R': /* Linux palette reset */ |
2390 | palette_reset(); |
2391 | term_invalidate(); |
2392 | termstate = TOPLEVEL; |
2393 | break; |
2394 | case 'W': /* word-set */ |
2395 | termstate = SEEN_OSC_W; |
2396 | osc_w = TRUE; |
2397 | break; |
2398 | case '0': |
2399 | case '1': |
2400 | case '2': |
2401 | case '3': |
2402 | case '4': |
2403 | case '5': |
2404 | case '6': |
2405 | case '7': |
2406 | case '8': |
2407 | case '9': |
2408 | esc_args[0] = 10 * esc_args[0] + c - '0'; |
2409 | break; |
2410 | case 'L': |
2411 | /* |
2412 | * Grotty hack to support xterm and DECterm title |
2413 | * sequences concurrently. |
2414 | */ |
2415 | if (esc_args[0] == 2) { |
2416 | esc_args[0] = 1; |
2417 | break; |
2418 | } |
2419 | /* else fall through */ |
2420 | default: |
2421 | termstate = OSC_STRING; |
2422 | osc_strlen = 0; |
e14a5a13 |
2423 | } |
2424 | break; |
32874aea |
2425 | case OSC_STRING: |
2426 | /* |
2427 | * This OSC stuff is EVIL. It takes just one character to get into |
2428 | * sysline mode and it's not initially obvious how to get out. |
2429 | * So I've added CR and LF as string aborts. |
2430 | * This shouldn't effect compatibility as I believe embedded |
2431 | * control characters are supposed to be interpreted (maybe?) |
2432 | * and they don't display anything useful anyway. |
2433 | * |
2434 | * -- RDB |
e14a5a13 |
2435 | */ |
32874aea |
2436 | if (c == '\n' || c == '\r') { |
2437 | termstate = TOPLEVEL; |
2438 | } else if (c == 0234 || c == '\007') { |
2439 | /* |
2440 | * These characters terminate the string; ST and BEL |
2441 | * terminate the sequence and trigger instant |
2442 | * processing of it, whereas ESC goes back to SEEN_ESC |
2443 | * mode unless it is followed by \, in which case it is |
2444 | * synonymous with ST in the first place. |
2445 | */ |
2446 | do_osc(); |
2447 | termstate = TOPLEVEL; |
2448 | } else if (c == '\033') |
2449 | termstate = OSC_MAYBE_ST; |
2450 | else if (osc_strlen < OSC_STR_MAX) |
2451 | osc_string[osc_strlen++] = c; |
374330e2 |
2452 | break; |
32874aea |
2453 | case SEEN_OSC_P: |
374330e2 |
2454 | { |
32874aea |
2455 | int max = (osc_strlen == 0 ? 21 : 16); |
2456 | int val; |
2457 | if (c >= '0' && c <= '9') |
2458 | val = c - '0'; |
2459 | else if (c >= 'A' && c <= 'A' + max - 10) |
2460 | val = c - 'A' + 10; |
2461 | else if (c >= 'a' && c <= 'a' + max - 10) |
2462 | val = c - 'a' + 10; |
2d466ffd |
2463 | else { |
32874aea |
2464 | termstate = TOPLEVEL; |
2d466ffd |
2465 | break; |
2466 | } |
32874aea |
2467 | osc_string[osc_strlen++] = val; |
2468 | if (osc_strlen >= 7) { |
2469 | palette_set(osc_string[0], |
2470 | osc_string[1] * 16 + osc_string[2], |
2471 | osc_string[3] * 16 + osc_string[4], |
2472 | osc_string[5] * 16 + osc_string[6]); |
2473 | term_invalidate(); |
2474 | termstate = TOPLEVEL; |
374330e2 |
2475 | } |
2476 | } |
2477 | break; |
32874aea |
2478 | case SEEN_OSC_W: |
2479 | switch (c) { |
2480 | case '0': |
2481 | case '1': |
2482 | case '2': |
2483 | case '3': |
2484 | case '4': |
2485 | case '5': |
2486 | case '6': |
2487 | case '7': |
2488 | case '8': |
2489 | case '9': |
2490 | esc_args[0] = 10 * esc_args[0] + c - '0'; |
2491 | break; |
2492 | default: |
2493 | termstate = OSC_STRING; |
2494 | osc_strlen = 0; |
ec55b220 |
2495 | } |
32874aea |
2496 | break; |
32874aea |
2497 | case VT52_ESC: |
374330e2 |
2498 | termstate = TOPLEVEL; |
32874aea |
2499 | seen_disp_event = TRUE; |
c9def1b8 |
2500 | switch (c) { |
32874aea |
2501 | case 'A': |
2502 | move(curs.x, curs.y - 1, 1); |
2503 | break; |
2504 | case 'B': |
2505 | move(curs.x, curs.y + 1, 1); |
2506 | break; |
2507 | case 'C': |
2508 | move(curs.x + 1, curs.y, 1); |
2509 | break; |
2510 | case 'D': |
2511 | move(curs.x - 1, curs.y, 1); |
2512 | break; |
4eeb7d09 |
2513 | /* |
2514 | * From the VT100 Manual |
2515 | * NOTE: The special graphics characters in the VT100 |
2516 | * are different from those in the VT52 |
2517 | * |
2518 | * From VT102 manual: |
2519 | * 137 _ Blank - Same |
2520 | * 140 ` Reserved - Humm. |
2521 | * 141 a Solid rectangle - Similar |
2522 | * 142 b 1/ - Top half of fraction for the |
2523 | * 143 c 3/ - subscript numbers below. |
2524 | * 144 d 5/ |
2525 | * 145 e 7/ |
2526 | * 146 f Degrees - Same |
2527 | * 147 g Plus or minus - Same |
2528 | * 150 h Right arrow |
2529 | * 151 i Ellipsis (dots) |
2530 | * 152 j Divide by |
2531 | * 153 k Down arrow |
2532 | * 154 l Bar at scan 0 |
2533 | * 155 m Bar at scan 1 |
2534 | * 156 n Bar at scan 2 |
2535 | * 157 o Bar at scan 3 - Similar |
2536 | * 160 p Bar at scan 4 - Similar |
2537 | * 161 q Bar at scan 5 - Similar |
2538 | * 162 r Bar at scan 6 - Same |
2539 | * 163 s Bar at scan 7 - Similar |
2540 | * 164 t Subscript 0 |
2541 | * 165 u Subscript 1 |
2542 | * 166 v Subscript 2 |
2543 | * 167 w Subscript 3 |
2544 | * 170 x Subscript 4 |
2545 | * 171 y Subscript 5 |
2546 | * 172 z Subscript 6 |
2547 | * 173 { Subscript 7 |
2548 | * 174 | Subscript 8 |
2549 | * 175 } Subscript 9 |
2550 | * 176 ~ Paragraph |
2551 | * |
2552 | */ |
32874aea |
2553 | case 'F': |
2554 | cset_attr[cset = 0] = ATTR_LINEDRW; |
2555 | break; |
2556 | case 'G': |
2557 | cset_attr[cset = 0] = ATTR_ASCII; |
2558 | break; |
2559 | case 'H': |
2560 | move(0, 0, 0); |
2561 | break; |
2562 | case 'I': |
2563 | if (curs.y == 0) |
2564 | scroll(0, rows - 1, -1, TRUE); |
2565 | else if (curs.y > 0) |
2566 | curs.y--; |
2567 | fix_cpos; |
2568 | wrapnext = FALSE; |
2569 | break; |
2570 | case 'J': |
2571 | erase_lots(FALSE, FALSE, TRUE); |
4facdf84 |
2572 | disptop = 0; |
c9def1b8 |
2573 | break; |
32874aea |
2574 | case 'K': |
2575 | erase_lots(TRUE, FALSE, TRUE); |
2576 | break; |
4eeb7d09 |
2577 | #if 0 |
32874aea |
2578 | case 'V': |
2579 | /* XXX Print cursor line */ |
2580 | break; |
2581 | case 'W': |
2582 | /* XXX Start controller mode */ |
2583 | break; |
2584 | case 'X': |
2585 | /* XXX Stop controller mode */ |
2586 | break; |
4eeb7d09 |
2587 | #endif |
32874aea |
2588 | case 'Y': |
2589 | termstate = VT52_Y1; |
2590 | break; |
2591 | case 'Z': |
760e88b2 |
2592 | ldisc_send("\033/Z", 3, 0); |
32874aea |
2593 | break; |
2594 | case '=': |
2595 | app_keypad_keys = TRUE; |
2596 | break; |
2597 | case '>': |
2598 | app_keypad_keys = FALSE; |
2599 | break; |
2600 | case '<': |
2601 | /* XXX This should switch to VT100 mode not current or default |
2602 | * VT mode. But this will only have effect in a VT220+ |
2603 | * emulation. |
2604 | */ |
2605 | vt52_mode = FALSE; |
4eeb7d09 |
2606 | blink_is_real = cfg.blinktext; |
32874aea |
2607 | break; |
4eeb7d09 |
2608 | #if 0 |
32874aea |
2609 | case '^': |
2610 | /* XXX Enter auto print mode */ |
2611 | break; |
2612 | case '_': |
2613 | /* XXX Exit auto print mode */ |
2614 | break; |
2615 | case ']': |
2616 | /* XXX Print screen */ |
2617 | break; |
4eeb7d09 |
2618 | #endif |
2619 | |
2620 | #ifdef VT52_PLUS |
2621 | case 'E': |
2622 | /* compatibility(ATARI) */ |
2623 | move(0, 0, 0); |
2624 | erase_lots(FALSE, FALSE, TRUE); |
2625 | disptop = 0; |
2626 | break; |
2627 | case 'L': |
2628 | /* compatibility(ATARI) */ |
2629 | if (curs.y <= marg_b) |
2630 | scroll(curs.y, marg_b, -1, FALSE); |
2631 | break; |
2632 | case 'M': |
2633 | /* compatibility(ATARI) */ |
2634 | if (curs.y <= marg_b) |
2635 | scroll(curs.y, marg_b, 1, TRUE); |
2636 | break; |
2637 | case 'b': |
2638 | /* compatibility(ATARI) */ |
2639 | termstate = VT52_FG; |
2640 | break; |
2641 | case 'c': |
2642 | /* compatibility(ATARI) */ |
2643 | termstate = VT52_BG; |
2644 | break; |
2645 | case 'd': |
2646 | /* compatibility(ATARI) */ |
2647 | erase_lots(FALSE, TRUE, FALSE); |
2648 | disptop = 0; |
2649 | break; |
2650 | case 'e': |
2651 | /* compatibility(ATARI) */ |
2652 | cursor_on = TRUE; |
2653 | break; |
2654 | case 'f': |
2655 | /* compatibility(ATARI) */ |
2656 | cursor_on = FALSE; |
2657 | break; |
2658 | /* case 'j': Save cursor position - broken on ST */ |
2659 | /* case 'k': Restore cursor position */ |
2660 | case 'l': |
2661 | /* compatibility(ATARI) */ |
2662 | erase_lots(TRUE, TRUE, TRUE); |
2663 | curs.x = 0; |
2664 | wrapnext = FALSE; |
2665 | fix_cpos; |
2666 | break; |
2667 | case 'o': |
2668 | /* compatibility(ATARI) */ |
2669 | erase_lots(TRUE, TRUE, FALSE); |
2670 | break; |
2671 | case 'p': |
2672 | /* compatibility(ATARI) */ |
2673 | curr_attr |= ATTR_REVERSE; |
2674 | break; |
2675 | case 'q': |
2676 | /* compatibility(ATARI) */ |
2677 | curr_attr &= ~ATTR_REVERSE; |
2678 | break; |
2679 | case 'v': /* wrap Autowrap on - Wyse style */ |
2680 | /* compatibility(ATARI) */ |
2681 | wrap = 1; |
2682 | break; |
2683 | case 'w': /* Autowrap off */ |
2684 | /* compatibility(ATARI) */ |
2685 | wrap = 0; |
2686 | break; |
2687 | |
2688 | case 'R': |
2689 | /* compatibility(OTHER) */ |
2690 | vt52_bold = FALSE; |
2691 | curr_attr = ATTR_DEFAULT; |
2692 | if (use_bce) |
8f22582c |
2693 | erase_char = (' ' | ATTR_ASCII | |
2694 | (curr_attr & |
2695 | (ATTR_FGMASK | ATTR_BGMASK))); |
4eeb7d09 |
2696 | break; |
2697 | case 'S': |
2698 | /* compatibility(VI50) */ |
2699 | curr_attr |= ATTR_UNDER; |
2700 | break; |
2701 | case 'W': |
2702 | /* compatibility(VI50) */ |
2703 | curr_attr &= ~ATTR_UNDER; |
2704 | break; |
2705 | case 'U': |
2706 | /* compatibility(VI50) */ |
2707 | vt52_bold = TRUE; |
2708 | curr_attr |= ATTR_BOLD; |
2709 | break; |
2710 | case 'T': |
2711 | /* compatibility(VI50) */ |
2712 | vt52_bold = FALSE; |
2713 | curr_attr &= ~ATTR_BOLD; |
2714 | break; |
2715 | #endif |
c9def1b8 |
2716 | } |
e14a5a13 |
2717 | break; |
32874aea |
2718 | case VT52_Y1: |
2719 | termstate = VT52_Y2; |
2720 | move(curs.x, c - ' ', 0); |
e14a5a13 |
2721 | break; |
32874aea |
2722 | case VT52_Y2: |
2723 | termstate = TOPLEVEL; |
2724 | move(c - ' ', curs.y, 0); |
e14a5a13 |
2725 | break; |
4eeb7d09 |
2726 | |
2727 | #ifdef VT52_PLUS |
2728 | case VT52_FG: |
2729 | termstate = TOPLEVEL; |
2730 | curr_attr &= ~ATTR_FGMASK; |
2731 | curr_attr &= ~ATTR_BOLD; |
2732 | curr_attr |= (c & 0x7) << ATTR_FGSHIFT; |
2733 | if ((c & 0x8) || vt52_bold) |
2734 | curr_attr |= ATTR_BOLD; |
2735 | |
2736 | if (use_bce) |
8f22582c |
2737 | erase_char = (' ' | ATTR_ASCII | |
2738 | (curr_attr & (ATTR_FGMASK | ATTR_BGMASK))); |
4eeb7d09 |
2739 | break; |
2740 | case VT52_BG: |
2741 | termstate = TOPLEVEL; |
2742 | curr_attr &= ~ATTR_BGMASK; |
2743 | curr_attr &= ~ATTR_BLINK; |
2744 | curr_attr |= (c & 0x7) << ATTR_BGSHIFT; |
2745 | |
2746 | /* Note: bold background */ |
2747 | if (c & 0x8) |
2748 | curr_attr |= ATTR_BLINK; |
2749 | |
2750 | if (use_bce) |
8f22582c |
2751 | erase_char = (' ' | ATTR_ASCII | |
2752 | (curr_attr & (ATTR_FGMASK | ATTR_BGMASK))); |
4eeb7d09 |
2753 | break; |
2754 | #endif |
2d466ffd |
2755 | default: break; /* placate gcc warning about enum use */ |
e14a5a13 |
2756 | } |
4facdf84 |
2757 | if (selstate != NO_SELECTION) { |
2758 | pos cursplus = curs; |
2759 | incpos(cursplus); |
32874aea |
2760 | check_selection(curs, cursplus); |
4facdf84 |
2761 | } |
374330e2 |
2762 | } |
b44b307a |
2763 | |
2764 | term_print_flush(); |
374330e2 |
2765 | } |
2766 | |
4eeb7d09 |
2767 | #if 0 |
374330e2 |
2768 | /* |
2769 | * Compare two lines to determine whether they are sufficiently |
2770 | * alike to scroll-optimise one to the other. Return the degree of |
2771 | * similarity. |
2772 | */ |
32874aea |
2773 | static int linecmp(unsigned long *a, unsigned long *b) |
2774 | { |
374330e2 |
2775 | int i, n; |
2776 | |
32874aea |
2777 | for (i = n = 0; i < cols; i++) |
374330e2 |
2778 | n += (*a++ == *b++); |
2779 | return n; |
2780 | } |
4eeb7d09 |
2781 | #endif |
374330e2 |
2782 | |
2783 | /* |
2784 | * Given a context, update the window. Out of paranoia, we don't |
2785 | * allow WM_PAINT responses to do scrolling optimisations. |
2786 | */ |
32874aea |
2787 | static void do_paint(Context ctx, int may_optimise) |
2788 | { |
4eeb7d09 |
2789 | int i, j, our_curs_y; |
2790 | unsigned long rv, cursor; |
4facdf84 |
2791 | pos scrpos; |
374330e2 |
2792 | char ch[1024]; |
4eeb7d09 |
2793 | long cursor_background = ERASE_CHAR; |
286c6b86 |
2794 | unsigned long ticks; |
374330e2 |
2795 | |
156686ef |
2796 | /* |
2797 | * Check the visual bell state. |
2798 | */ |
2799 | if (in_vbell) { |
f7f27309 |
2800 | ticks = GETTICKCOUNT(); |
286c6b86 |
2801 | if (ticks - vbell_startpoint >= VBELL_TIMEOUT) |
2802 | in_vbell = FALSE; |
2803 | } |
156686ef |
2804 | |
4eeb7d09 |
2805 | rv = (!rvideo ^ !in_vbell ? ATTR_REVERSE : 0); |
2806 | |
156686ef |
2807 | /* Depends on: |
2808 | * screen array, disptop, scrtop, |
2809 | * selection, rv, |
2810 | * cfg.blinkpc, blink_is_real, tblinker, |
4eeb7d09 |
2811 | * curs.y, curs.x, blinker, cfg.blink_cur, cursor_on, has_focus, wrapnext |
156686ef |
2812 | */ |
4eeb7d09 |
2813 | |
2814 | /* Has the cursor position or type changed ? */ |
e14a5a13 |
2815 | if (cursor_on) { |
32874aea |
2816 | if (has_focus) { |
217dceef |
2817 | if (blinker || !cfg.blink_cur) |
4eeb7d09 |
2818 | cursor = TATTR_ACTCURS; |
32874aea |
2819 | else |
2820 | cursor = 0; |
2821 | } else |
4eeb7d09 |
2822 | cursor = TATTR_PASCURS; |
4e30ff69 |
2823 | if (wrapnext) |
4eeb7d09 |
2824 | cursor |= TATTR_RIGHTCURS; |
32874aea |
2825 | } else |
156686ef |
2826 | cursor = 0; |
4facdf84 |
2827 | our_curs_y = curs.y - disptop; |
374330e2 |
2828 | |
4eeb7d09 |
2829 | if (dispcurs && (curstype != cursor || |
2830 | dispcurs != |
2831 | disptext + our_curs_y * (cols + 1) + curs.x)) { |
5a73255e |
2832 | if (dispcurs > disptext && |
2833 | (*dispcurs & (CHAR_MASK | CSET_MASK)) == UCSWIDE) |
4eeb7d09 |
2834 | dispcurs[-1] |= ATTR_INVALID; |
5a73255e |
2835 | if ( (dispcurs[1] & (CHAR_MASK | CSET_MASK)) == UCSWIDE) |
4eeb7d09 |
2836 | dispcurs[1] |= ATTR_INVALID; |
2837 | *dispcurs |= ATTR_INVALID; |
2838 | curstype = 0; |
2839 | } |
2840 | dispcurs = NULL; |
2841 | |
2842 | /* The normal screen data */ |
32874aea |
2843 | for (i = 0; i < rows; i++) { |
4facdf84 |
2844 | unsigned long *ldata; |
2845 | int lattr; |
6908fed7 |
2846 | int idx, dirty_line, dirty_run, selected; |
4eeb7d09 |
2847 | unsigned long attr = 0; |
2848 | int updated_line = 0; |
2849 | int start = 0; |
2850 | int ccount = 0; |
2851 | int last_run_dirty = 0; |
2852 | |
4facdf84 |
2853 | scrpos.y = i + disptop; |
2854 | ldata = lineptr(scrpos.y); |
2855 | lattr = (ldata[cols] & LATTR_MODE); |
4eeb7d09 |
2856 | |
2857 | idx = i * (cols + 1); |
2858 | dirty_run = dirty_line = (ldata[cols] != disptext[idx + cols]); |
2859 | disptext[idx + cols] = ldata[cols]; |
2860 | |
2861 | for (j = 0; j < cols; j++, idx++) { |
2862 | unsigned long tattr, tchar; |
2863 | unsigned long *d = ldata + j; |
2864 | int break_run; |
4facdf84 |
2865 | scrpos.x = j; |
32874aea |
2866 | |
4eeb7d09 |
2867 | tchar = (*d & (CHAR_MASK | CSET_MASK)); |
2868 | tattr = (*d & (ATTR_MASK ^ CSET_MASK)); |
2869 | switch (tchar & CSET_MASK) { |
2870 | case ATTR_ASCII: |
2871 | tchar = unitab_line[tchar & 0xFF]; |
2872 | break; |
2873 | case ATTR_LINEDRW: |
2874 | tchar = unitab_xterm[tchar & 0xFF]; |
2875 | break; |
d3cb5465 |
2876 | case ATTR_SCOACS: |
2877 | tchar = unitab_scoacs[tchar&0xFF]; |
2878 | break; |
4eeb7d09 |
2879 | } |
2880 | tattr |= (tchar & CSET_MASK); |
2881 | tchar &= CHAR_MASK; |
5a73255e |
2882 | if ((d[1] & (CHAR_MASK | CSET_MASK)) == UCSWIDE) |
2883 | tattr |= ATTR_WIDE; |
4eeb7d09 |
2884 | |
2885 | /* Video reversing things */ |
6908fed7 |
2886 | if (seltype == LEXICOGRAPHIC) |
2887 | selected = posle(selstart, scrpos) && poslt(scrpos, selend); |
2888 | else |
2889 | selected = posPle(selstart, scrpos) && posPlt(scrpos, selend); |
4eeb7d09 |
2890 | tattr = (tattr ^ rv |
6908fed7 |
2891 | ^ (selected ? ATTR_REVERSE : 0)); |
4eeb7d09 |
2892 | |
2893 | /* 'Real' blinking ? */ |
2894 | if (blink_is_real && (tattr & ATTR_BLINK)) { |
2895 | if (has_focus && tblinker) { |
2896 | tchar = ' '; |
2897 | tattr &= ~CSET_MASK; |
2898 | tattr |= ATTR_ACP; |
c9def1b8 |
2899 | } |
4eeb7d09 |
2900 | tattr &= ~ATTR_BLINK; |
c9def1b8 |
2901 | } |
374330e2 |
2902 | |
5a73255e |
2903 | /* |
2904 | * Check the font we'll _probably_ be using to see if |
2905 | * the character is wide when we don't want it to be. |
2906 | */ |
2907 | if ((tchar | tattr) != (disptext[idx]& ~ATTR_NARROW)) { |
2908 | if ((tattr & ATTR_WIDE) == 0 && |
2909 | CharWidth(ctx, (tchar | tattr) & 0xFFFF) == 2) |
2910 | tattr |= ATTR_NARROW; |
2911 | } else if (disptext[idx]&ATTR_NARROW) |
2912 | tattr |= ATTR_NARROW; |
2913 | |
4eeb7d09 |
2914 | /* Cursor here ? Save the 'background' */ |
2915 | if (i == our_curs_y && j == curs.x) { |
2916 | cursor_background = tattr | tchar; |
2917 | dispcurs = disptext + idx; |
2918 | } |
374330e2 |
2919 | |
4eeb7d09 |
2920 | if ((disptext[idx] ^ tattr) & ATTR_WIDE) |
2921 | dirty_line = TRUE; |
2922 | |
2923 | break_run = (tattr != attr || j - start >= sizeof(ch)); |
2924 | |
2925 | /* Special hack for VT100 Linedraw glyphs */ |
2926 | if ((attr & CSET_MASK) == 0x2300 && tchar >= 0xBA |
2927 | && tchar <= 0xBD) break_run = TRUE; |
2928 | |
2929 | if (!dbcs_screenfont && !dirty_line) { |
2930 | if ((tchar | tattr) == disptext[idx]) |
2931 | break_run = TRUE; |
2932 | else if (!dirty_run && ccount == 1) |
2933 | break_run = TRUE; |
374330e2 |
2934 | } |
4eeb7d09 |
2935 | |
2936 | if (break_run) { |
2937 | if ((dirty_run || last_run_dirty) && ccount > 0) { |
2938 | do_text(ctx, start, i, ch, ccount, attr, lattr); |
2939 | updated_line = 1; |
2940 | } |
2941 | start = j; |
2942 | ccount = 0; |
2943 | attr = tattr; |
2944 | if (dbcs_screenfont) |
2945 | last_run_dirty = dirty_run; |
2946 | dirty_run = dirty_line; |
2947 | } |
2948 | |
2949 | if ((tchar | tattr) != disptext[idx]) |
2950 | dirty_run = TRUE; |
2951 | ch[ccount++] = (char) tchar; |
2952 | disptext[idx] = tchar | tattr; |
2953 | |
2954 | /* If it's a wide char step along to the next one. */ |
2955 | if (tattr & ATTR_WIDE) { |
2956 | if (++j < cols) { |
2957 | idx++; |
2958 | d++; |
2959 | /* Cursor is here ? Ouch! */ |
2960 | if (i == our_curs_y && j == curs.x) { |
2961 | cursor_background = *d; |
2962 | dispcurs = disptext + idx; |
2963 | } |
2964 | if (disptext[idx] != *d) |
2965 | dirty_run = TRUE; |
2966 | disptext[idx] = *d; |
374330e2 |
2967 | } |
374330e2 |
2968 | } |
4eeb7d09 |
2969 | } |
2970 | if (dirty_run && ccount > 0) { |
2971 | do_text(ctx, start, i, ch, ccount, attr, lattr); |
2972 | updated_line = 1; |
2973 | } |
2974 | |
2975 | /* Cursor on this line ? (and changed) */ |
2976 | if (i == our_curs_y && (curstype != cursor || updated_line)) { |
2977 | ch[0] = (char) (cursor_background & CHAR_MASK); |
2978 | attr = (cursor_background & ATTR_MASK) | cursor; |
2979 | do_cursor(ctx, curs.x, i, ch, 1, attr, lattr); |
2980 | curstype = cursor; |
374330e2 |
2981 | } |
2982 | } |
2983 | } |
2984 | |
2985 | /* |
e14a5a13 |
2986 | * Flick the switch that says if blinking things should be shown or hidden. |
2987 | */ |
2988 | |
32874aea |
2989 | void term_blink(int flg) |
2990 | { |
22dcdc3b |
2991 | static long last_blink = 0; |
2992 | static long last_tblink = 0; |
e14a5a13 |
2993 | long now, blink_diff; |
2994 | |
f7f27309 |
2995 | now = GETTICKCOUNT(); |
32874aea |
2996 | blink_diff = now - last_tblink; |
c9def1b8 |
2997 | |
1d3989ed |
2998 | /* Make sure the text blinks no more than 2Hz; we'll use 0.45 s period. */ |
2999 | if (blink_diff < 0 || blink_diff > (TICKSPERSEC * 9 / 20)) { |
32874aea |
3000 | last_tblink = now; |
c9def1b8 |
3001 | tblinker = !tblinker; |
3002 | } |
3003 | |
e14a5a13 |
3004 | if (flg) { |
32874aea |
3005 | blinker = 1; |
3006 | last_blink = now; |
e14a5a13 |
3007 | return; |
32874aea |
3008 | } |
e14a5a13 |
3009 | |
32874aea |
3010 | blink_diff = now - last_blink; |
e14a5a13 |
3011 | |
f7f27309 |
3012 | /* Make sure the cursor blinks no faster than system blink rate */ |
3013 | if (blink_diff >= 0 && blink_diff < (long) CURSORBLINK) |
32874aea |
3014 | return; |
3015 | |
e14a5a13 |
3016 | last_blink = now; |
3017 | blinker = !blinker; |
3018 | } |
3019 | |
3020 | /* |
374330e2 |
3021 | * Invalidate the whole screen so it will be repainted in full. |
3022 | */ |
32874aea |
3023 | void term_invalidate(void) |
3024 | { |
374330e2 |
3025 | int i; |
3026 | |
32874aea |
3027 | for (i = 0; i < rows * (cols + 1); i++) |
374330e2 |
3028 | disptext[i] = ATTR_INVALID; |
3029 | } |
3030 | |
3031 | /* |
3032 | * Paint the window in response to a WM_PAINT message. |
3033 | */ |
5a73255e |
3034 | void term_paint(Context ctx, int left, int top, int right, int bottom) |
32874aea |
3035 | { |
5a73255e |
3036 | int i, j; |
3037 | if (left < 0) left = 0; |
3038 | if (top < 0) top = 0; |
3039 | if (right >= cols) right = cols-1; |
3040 | if (bottom >= rows) bottom = rows-1; |
374330e2 |
3041 | |
32874aea |
3042 | for (i = top; i <= bottom && i < rows; i++) { |
3043 | if ((disptext[i * (cols + 1) + cols] & LATTR_MODE) == LATTR_NORM) |
3044 | for (j = left; j <= right && j < cols; j++) |
3045 | disptext[i * (cols + 1) + j] = ATTR_INVALID; |
c9def1b8 |
3046 | else |
32874aea |
3047 | for (j = left / 2; j <= right / 2 + 1 && j < cols; j++) |
3048 | disptext[i * (cols + 1) + j] = ATTR_INVALID; |
c9def1b8 |
3049 | } |
374330e2 |
3050 | |
e14a5a13 |
3051 | /* This should happen soon enough, also for some reason it sometimes |
3052 | * fails to actually do anything when re-sizing ... painting the wrong |
3053 | * window perhaps ? |
32874aea |
3054 | */ |
5a73255e |
3055 | if (alt_pressed) |
3056 | do_paint (ctx, FALSE); |
374330e2 |
3057 | } |
3058 | |
3059 | /* |
3060 | * Attempt to scroll the scrollback. The second parameter gives the |
3061 | * position we want to scroll to; the first is +1 to denote that |
3062 | * this position is relative to the beginning of the scrollback, -1 |
3063 | * to denote it is relative to the end, and 0 to denote that it is |
3064 | * relative to the current position. |
3065 | */ |
32874aea |
3066 | void term_scroll(int rel, int where) |
3067 | { |
4facdf84 |
3068 | int sbtop = -count234(scrollback); |
374330e2 |
3069 | |
32874aea |
3070 | disptop = (rel < 0 ? 0 : rel > 0 ? sbtop : disptop) + where; |
374330e2 |
3071 | if (disptop < sbtop) |
3072 | disptop = sbtop; |
4facdf84 |
3073 | if (disptop > 0) |
3074 | disptop = 0; |
374330e2 |
3075 | update_sbar(); |
3076 | term_update(); |
3077 | } |
3078 | |
6908fed7 |
3079 | static void clipme(pos top, pos bottom, int rect) |
32874aea |
3080 | { |
4eeb7d09 |
3081 | wchar_t *workbuf; |
3082 | wchar_t *wbptr; /* where next char goes within workbuf */ |
6908fed7 |
3083 | int old_top_x; |
32874aea |
3084 | int wblen = 0; /* workbuf len */ |
3085 | int buflen; /* amount of memory allocated to workbuf */ |
bc1235d4 |
3086 | |
4eeb7d09 |
3087 | buflen = 5120; /* Default size */ |
3088 | workbuf = smalloc(buflen * sizeof(wchar_t)); |
3089 | wbptr = workbuf; /* start filling here */ |
6908fed7 |
3090 | old_top_x = top.x; /* needed for rect==1 */ |
bc1235d4 |
3091 | |
4facdf84 |
3092 | while (poslt(top, bottom)) { |
bc1235d4 |
3093 | int nl = FALSE; |
4facdf84 |
3094 | unsigned long *ldata = lineptr(top.y); |
260f3dec |
3095 | pos nlpos; |
4facdf84 |
3096 | |
6908fed7 |
3097 | /* |
3098 | * nlpos will point at the maximum position on this line we |
3099 | * should copy up to. So we start it at the end of the |
3100 | * line... |
3101 | */ |
4facdf84 |
3102 | nlpos.y = top.y; |
3103 | nlpos.x = cols; |
bc1235d4 |
3104 | |
6908fed7 |
3105 | /* |
3106 | * ... move it backwards if there's unused space at the end |
3107 | * of the line (and also set `nl' if this is the case, |
3108 | * because in normal selection mode this means we need a |
3109 | * newline at the end)... |
3110 | */ |
4eeb7d09 |
3111 | if (!(ldata[cols] & LATTR_WRAPPED)) { |
3112 | while (((ldata[nlpos.x - 1] & 0xFF) == 0x20 || |
3113 | (DIRECT_CHAR(ldata[nlpos.x - 1]) && |
3114 | (ldata[nlpos.x - 1] & CHAR_MASK) == 0x20)) |
3115 | && poslt(top, nlpos)) |
3116 | decpos(nlpos); |
4facdf84 |
3117 | if (poslt(nlpos, bottom)) |
bc1235d4 |
3118 | nl = TRUE; |
3119 | } |
6908fed7 |
3120 | |
3121 | /* |
3122 | * ... and then clip it to the terminal x coordinate if |
3123 | * we're doing rectangular selection. (In this case we |
3124 | * still did the above, so that copying e.g. the right-hand |
3125 | * column from a table doesn't fill with spaces on the |
3126 | * right.) |
3127 | */ |
3128 | if (rect) { |
3129 | if (nlpos.x > bottom.x) |
3130 | nlpos.x = bottom.x; |
3131 | nl = (top.y < bottom.y); |
3132 | } |
3133 | |
4facdf84 |
3134 | while (poslt(top, bottom) && poslt(top, nlpos)) { |
4eeb7d09 |
3135 | #if 0 |
3136 | char cbuf[16], *p; |
3137 | sprintf(cbuf, "<U+%04x>", (ldata[top.x] & 0xFFFF)); |
3138 | #else |
3139 | wchar_t cbuf[16], *p; |
3140 | int uc = (ldata[top.x] & 0xFFFF); |
3141 | int set, c; |
3142 | |
3143 | if (uc == UCSWIDE) { |
3144 | top.x++; |
3145 | continue; |
3146 | } |
3147 | |
3148 | switch (uc & CSET_MASK) { |
3149 | case ATTR_LINEDRW: |
3150 | if (!cfg.rawcnp) { |
3151 | uc = unitab_xterm[uc & 0xFF]; |
3152 | break; |
32874aea |
3153 | } |
4eeb7d09 |
3154 | case ATTR_ASCII: |
3155 | uc = unitab_line[uc & 0xFF]; |
3156 | break; |
d3cb5465 |
3157 | case ATTR_SCOACS: |
3158 | uc = unitab_scoacs[uc&0xFF]; |
3159 | break; |
d3a22f79 |
3160 | } |
4eeb7d09 |
3161 | switch (uc & CSET_MASK) { |
3162 | case ATTR_ACP: |
3163 | uc = unitab_font[uc & 0xFF]; |
3164 | break; |
3165 | case ATTR_OEMCP: |
3166 | uc = unitab_oemcp[uc & 0xFF]; |
3167 | break; |
3168 | } |
3169 | |
3170 | set = (uc & CSET_MASK); |
3171 | c = (uc & CHAR_MASK); |
3172 | cbuf[0] = uc; |
3173 | cbuf[1] = 0; |
3174 | |
3175 | if (DIRECT_FONT(uc)) { |
3176 | if (c >= ' ' && c != 0x7F) { |
3177 | unsigned char buf[4]; |
3178 | WCHAR wbuf[4]; |
3179 | int rv; |
1709795f |
3180 | if (is_dbcs_leadbyte(font_codepage, (BYTE) c)) { |
4eeb7d09 |
3181 | buf[0] = c; |
3182 | buf[1] = (unsigned char) ldata[top.x + 1]; |
1709795f |
3183 | rv = mb_to_wc(font_codepage, 0, buf, 2, wbuf, 4); |
4eeb7d09 |
3184 | top.x++; |
3185 | } else { |
3186 | buf[0] = c; |
1709795f |
3187 | rv = mb_to_wc(font_codepage, 0, buf, 1, wbuf, 4); |
4eeb7d09 |
3188 | } |
bc1235d4 |
3189 | |
4eeb7d09 |
3190 | if (rv > 0) { |
3191 | memcpy(cbuf, wbuf, rv * sizeof(wchar_t)); |
3192 | cbuf[rv] = 0; |
d3a22f79 |
3193 | } |
d3a22f79 |
3194 | } |
4eeb7d09 |
3195 | } |
3196 | #endif |
3197 | |
3198 | for (p = cbuf; *p; p++) { |
3199 | /* Enough overhead for trailing NL and nul */ |
3200 | if (wblen >= buflen - 16) { |
3201 | workbuf = |
3202 | srealloc(workbuf, |
3203 | sizeof(wchar_t) * (buflen += 100)); |
3204 | wbptr = workbuf + wblen; |
3205 | } |
3206 | wblen++; |
3207 | *wbptr++ = *p; |
bc1235d4 |
3208 | } |
4facdf84 |
3209 | top.x++; |
bc1235d4 |
3210 | } |
3211 | if (nl) { |
3212 | int i; |
4eeb7d09 |
3213 | for (i = 0; i < sel_nl_sz; i++) { |
32874aea |
3214 | wblen++; |
bc1235d4 |
3215 | *wbptr++ = sel_nl[i]; |
3216 | } |
3217 | } |
4facdf84 |
3218 | top.y++; |
6908fed7 |
3219 | top.x = rect ? old_top_x : 0; |
bc1235d4 |
3220 | } |
e6346999 |
3221 | #if SELECTION_NUL_TERMINATED |
4eeb7d09 |
3222 | wblen++; |
3223 | *wbptr++ = 0; |
e6346999 |
3224 | #endif |
32874aea |
3225 | write_clip(workbuf, wblen, FALSE); /* transfer to clipboard */ |
3226 | if (buflen > 0) /* indicates we allocated this buffer */ |
bc1235d4 |
3227 | sfree(workbuf); |
bc1235d4 |
3228 | } |
4eeb7d09 |
3229 | |
32874aea |
3230 | void term_copyall(void) |
3231 | { |
4facdf84 |
3232 | pos top; |
3233 | top.y = -count234(scrollback); |
3234 | top.x = 0; |
6908fed7 |
3235 | clipme(top, curs, 0); |
4eeb7d09 |
3236 | } |
3237 | |
3238 | /* |
3239 | * The wordness array is mainly for deciding the disposition of the US-ASCII |
3240 | * characters. |
3241 | */ |
3242 | static int wordtype(int uc) |
3243 | { |
3244 | static struct { |
3245 | int start, end, ctype; |
3246 | } *wptr, ucs_words[] = { |
3247 | { |
3248 | 128, 160, 0}, { |
3249 | 161, 191, 1}, { |
3250 | 215, 215, 1}, { |
3251 | 247, 247, 1}, { |
3252 | 0x037e, 0x037e, 1}, /* Greek question mark */ |
3253 | { |
3254 | 0x0387, 0x0387, 1}, /* Greek ano teleia */ |
3255 | { |
3256 | 0x055a, 0x055f, 1}, /* Armenian punctuation */ |
3257 | { |
3258 | 0x0589, 0x0589, 1}, /* Armenian full stop */ |
3259 | { |
3260 | 0x0700, 0x070d, 1}, /* Syriac punctuation */ |
3261 | { |
3262 | 0x104a, 0x104f, 1}, /* Myanmar punctuation */ |
3263 | { |
3264 | 0x10fb, 0x10fb, 1}, /* Georgian punctuation */ |
3265 | { |
3266 | 0x1361, 0x1368, 1}, /* Ethiopic punctuation */ |
3267 | { |
3268 | 0x166d, 0x166e, 1}, /* Canadian Syl. punctuation */ |
3269 | { |
3270 | 0x17d4, 0x17dc, 1}, /* Khmer punctuation */ |
3271 | { |
3272 | 0x1800, 0x180a, 1}, /* Mongolian punctuation */ |
3273 | { |
3274 | 0x2000, 0x200a, 0}, /* Various spaces */ |
3275 | { |
3276 | 0x2070, 0x207f, 2}, /* superscript */ |
3277 | { |
3278 | 0x2080, 0x208f, 2}, /* subscript */ |
3279 | { |
3280 | 0x200b, 0x27ff, 1}, /* punctuation and symbols */ |
3281 | { |
3282 | 0x3000, 0x3000, 0}, /* ideographic space */ |
3283 | { |
3284 | 0x3001, 0x3020, 1}, /* ideographic punctuation */ |
3285 | { |
3286 | 0x303f, 0x309f, 3}, /* Hiragana */ |
3287 | { |
3288 | 0x30a0, 0x30ff, 3}, /* Katakana */ |
3289 | { |
3290 | 0x3300, 0x9fff, 3}, /* CJK Ideographs */ |
3291 | { |
3292 | 0xac00, 0xd7a3, 3}, /* Hangul Syllables */ |
3293 | { |
3294 | 0xf900, 0xfaff, 3}, /* CJK Ideographs */ |
3295 | { |
3296 | 0xfe30, 0xfe6b, 1}, /* punctuation forms */ |
3297 | { |
3298 | 0xff00, 0xff0f, 1}, /* half/fullwidth ASCII */ |
3299 | { |
3300 | 0xff1a, 0xff20, 1}, /* half/fullwidth ASCII */ |
3301 | { |
3302 | 0xff3b, 0xff40, 1}, /* half/fullwidth ASCII */ |
3303 | { |
3304 | 0xff5b, 0xff64, 1}, /* half/fullwidth ASCII */ |
3305 | { |
3306 | 0xfff0, 0xffff, 0}, /* half/fullwidth ASCII */ |
3307 | { |
3308 | 0, 0, 0} |
3309 | }; |
3310 | |
3311 | uc &= (CSET_MASK | CHAR_MASK); |
3312 | |
3313 | switch (uc & CSET_MASK) { |
3314 | case ATTR_LINEDRW: |
3315 | uc = unitab_xterm[uc & 0xFF]; |
3316 | break; |
3317 | case ATTR_ASCII: |
3318 | uc = unitab_line[uc & 0xFF]; |
3319 | break; |
d3cb5465 |
3320 | case ATTR_SCOACS: |
3321 | uc = unitab_scoacs[uc&0xFF]; |
3322 | break; |
4eeb7d09 |
3323 | } |
3324 | switch (uc & CSET_MASK) { |
3325 | case ATTR_ACP: |
3326 | uc = unitab_font[uc & 0xFF]; |
3327 | break; |
3328 | case ATTR_OEMCP: |
3329 | uc = unitab_oemcp[uc & 0xFF]; |
3330 | break; |
3331 | } |
3332 | |
5a73255e |
3333 | /* For DBCS font's I can't do anything usefull. Even this will sometimes |
3334 | * fail as there's such a thing as a double width space. :-( |
3335 | */ |
3336 | if (dbcs_screenfont && font_codepage == line_codepage) |
3337 | return (uc != ' '); |
3338 | |
4eeb7d09 |
3339 | if (uc < 0x80) |
3340 | return wordness[uc]; |
3341 | |
3342 | for (wptr = ucs_words; wptr->start; wptr++) { |
3343 | if (uc >= wptr->start && uc <= wptr->end) |
3344 | return wptr->ctype; |
3345 | } |
3346 | |
3347 | return 2; |
bc1235d4 |
3348 | } |
3349 | |
374330e2 |
3350 | /* |
3351 | * Spread the selection outwards according to the selection mode. |
3352 | */ |
32874aea |
3353 | static pos sel_spread_half(pos p, int dir) |
3354 | { |
4facdf84 |
3355 | unsigned long *ldata; |
374330e2 |
3356 | short wvalue; |
50ab4088 |
3357 | int topy = -count234(scrollback); |
374330e2 |
3358 | |
4facdf84 |
3359 | ldata = lineptr(p.y); |
374330e2 |
3360 | |
3361 | switch (selmode) { |
3362 | case SM_CHAR: |
3363 | /* |
3364 | * In this mode, every character is a separate unit, except |
3365 | * for runs of spaces at the end of a non-wrapping line. |
3366 | */ |
4eeb7d09 |
3367 | if (!(ldata[cols] & LATTR_WRAPPED)) { |
32874aea |
3368 | unsigned long *q = ldata + cols; |
4facdf84 |
3369 | while (q > ldata && (q[-1] & CHAR_MASK) == 0x20) |
374330e2 |
3370 | q--; |
32874aea |
3371 | if (q == ldata + cols) |
374330e2 |
3372 | q--; |
32874aea |
3373 | if (p.x >= q - ldata) |
3374 | p.x = (dir == -1 ? q - ldata : cols - 1); |
374330e2 |
3375 | } |
3376 | break; |
3377 | case SM_WORD: |
3378 | /* |
3379 | * In this mode, the units are maximal runs of characters |
3380 | * whose `wordness' has the same value. |
3381 | */ |
4eeb7d09 |
3382 | wvalue = wordtype(ldata[p.x]); |
374330e2 |
3383 | if (dir == +1) { |
50ab4088 |
3384 | while (1) { |
3385 | if (p.x < cols-1) { |
3386 | if (wordtype(ldata[p.x + 1]) == wvalue) |
3387 | p.x++; |
3388 | else |
3389 | break; |
3390 | } else { |
3391 | if (ldata[cols] & LATTR_WRAPPED) { |
3392 | unsigned long *ldata2; |
3393 | ldata2 = lineptr(p.y+1); |
3394 | if (wordtype(ldata2[0]) == wvalue) { |
3395 | p.x = 0; |
3396 | p.y++; |
3397 | ldata = ldata2; |
3398 | } else |
3399 | break; |
3400 | } else |
3401 | break; |
3402 | } |
3403 | } |
374330e2 |
3404 | } else { |
50ab4088 |
3405 | while (1) { |
3406 | if (p.x > 0) { |
3407 | if (wordtype(ldata[p.x - 1]) == wvalue) |
3408 | p.x--; |
3409 | else |
3410 | break; |
3411 | } else { |
3412 | unsigned long *ldata2; |
3413 | if (p.y <= topy) |
3414 | break; |
3415 | ldata2 = lineptr(p.y-1); |
3416 | if ((ldata2[cols] & LATTR_WRAPPED) && |
3417 | wordtype(ldata2[cols-1]) == wvalue) { |
3418 | p.x = cols-1; |
3419 | p.y--; |
3420 | ldata = ldata2; |
3421 | } else |
3422 | break; |
3423 | } |
3424 | } |
374330e2 |
3425 | } |
3426 | break; |
3427 | case SM_LINE: |
3428 | /* |
3429 | * In this mode, every line is a unit. |
3430 | */ |
4facdf84 |
3431 | p.x = (dir == -1 ? 0 : cols - 1); |
374330e2 |
3432 | break; |
3433 | } |
3434 | return p; |
3435 | } |
3436 | |
32874aea |
3437 | static void sel_spread(void) |
3438 | { |
6908fed7 |
3439 | if (seltype == LEXICOGRAPHIC) { |
3440 | selstart = sel_spread_half(selstart, -1); |
3441 | decpos(selend); |
3442 | selend = sel_spread_half(selend, +1); |
3443 | incpos(selend); |
3444 | } |
374330e2 |
3445 | } |
3446 | |
568dd02f |
3447 | void term_do_paste(void) |
3448 | { |
3449 | wchar_t *data; |
3450 | int len; |
3451 | |
3452 | get_clip(&data, &len); |
3453 | if (data) { |
3454 | wchar_t *p, *q; |
3455 | |
3456 | if (paste_buffer) |
3457 | sfree(paste_buffer); |
3458 | paste_pos = paste_hold = paste_len = 0; |
3459 | paste_buffer = smalloc(len * sizeof(wchar_t)); |
3460 | |
3461 | p = q = data; |
3462 | while (p < data + len) { |
3463 | while (p < data + len && |
3464 | !(p <= data + len - sel_nl_sz && |
3465 | !memcmp(p, sel_nl, sizeof(sel_nl)))) |
3466 | p++; |
3467 | |
3468 | { |
3469 | int i; |
3470 | for (i = 0; i < p - q; i++) { |
3471 | paste_buffer[paste_len++] = q[i]; |
3472 | } |
3473 | } |
3474 | |
3475 | if (p <= data + len - sel_nl_sz && |
3476 | !memcmp(p, sel_nl, sizeof(sel_nl))) { |
3477 | paste_buffer[paste_len++] = '\r'; |
3478 | p += sel_nl_sz; |
3479 | } |
3480 | q = p; |
3481 | } |
3482 | |
3483 | /* Assume a small paste will be OK in one go. */ |
3484 | if (paste_len < 256) { |
760e88b2 |
3485 | luni_send(paste_buffer, paste_len, 0); |
568dd02f |
3486 | if (paste_buffer) |
3487 | sfree(paste_buffer); |
3488 | paste_buffer = 0; |
3489 | paste_pos = paste_hold = paste_len = 0; |
3490 | } |
3491 | } |
3492 | get_clip(NULL, NULL); |
3493 | } |
3494 | |
32874aea |
3495 | void term_mouse(Mouse_Button b, Mouse_Action a, int x, int y, |
6908fed7 |
3496 | int shift, int ctrl, int alt) |
32874aea |
3497 | { |
4facdf84 |
3498 | pos selpoint; |
3499 | unsigned long *ldata; |
c0d36a72 |
3500 | int raw_mouse = (xterm_mouse && |
3501 | !cfg.no_mouse_rep && |
3502 | !(cfg.mouse_override && shift)); |
6908fed7 |
3503 | int default_seltype; |
32874aea |
3504 | |
fff61f25 |
3505 | if (y < 0) { |
32874aea |
3506 | y = 0; |
fff61f25 |
3507 | if (a == MA_DRAG && !raw_mouse) |
3508 | term_scroll(0, -1); |
3509 | } |
3510 | if (y >= rows) { |
32874aea |
3511 | y = rows - 1; |
fff61f25 |
3512 | if (a == MA_DRAG && !raw_mouse) |
3513 | term_scroll(0, +1); |
3514 | } |
32874aea |
3515 | if (x < 0) { |
3516 | if (y > 0) { |
3517 | x = cols - 1; |
3518 | y--; |
3519 | } else |
3520 | x = 0; |
094ed2a6 |
3521 | } |
32874aea |
3522 | if (x >= cols) |
3523 | x = cols - 1; |
37508af4 |
3524 | |
4facdf84 |
3525 | selpoint.y = y + disptop; |
3526 | selpoint.x = x; |
3527 | ldata = lineptr(selpoint.y); |
32874aea |
3528 | if ((ldata[cols] & LATTR_MODE) != LATTR_NORM) |
4facdf84 |
3529 | selpoint.x /= 2; |
374330e2 |
3530 | |
fff61f25 |
3531 | if (raw_mouse) { |
01c034ad |
3532 | int encstate = 0, r, c; |
3533 | char abuf[16]; |
3534 | static int is_down = 0; |
3535 | |
32874aea |
3536 | switch (b) { |
01c034ad |
3537 | case MBT_LEFT: |
32874aea |
3538 | encstate = 0x20; /* left button down */ |
01c034ad |
3539 | break; |
3540 | case MBT_MIDDLE: |
3541 | encstate = 0x21; |
3542 | break; |
3543 | case MBT_RIGHT: |
3544 | encstate = 0x22; |
3545 | break; |
3546 | case MBT_WHEEL_UP: |
3547 | encstate = 0x60; |
3548 | break; |
3549 | case MBT_WHEEL_DOWN: |
3550 | encstate = 0x61; |
3551 | break; |
2d466ffd |
3552 | default: break; /* placate gcc warning about enum use */ |
01c034ad |
3553 | } |
32874aea |
3554 | switch (a) { |
01c034ad |
3555 | case MA_DRAG: |
3556 | if (xterm_mouse == 1) |
3557 | return; |
3558 | encstate += 0x20; |
3559 | break; |
3560 | case MA_RELEASE: |
3561 | encstate = 0x23; |
3562 | is_down = 0; |
3563 | break; |
3564 | case MA_CLICK: |
3565 | if (is_down == b) |
3566 | return; |
3567 | is_down = b; |
3568 | break; |
2d466ffd |
3569 | default: break; /* placate gcc warning about enum use */ |
01c034ad |
3570 | } |
3571 | if (shift) |
3572 | encstate += 0x04; |
3573 | if (ctrl) |
3574 | encstate += 0x10; |
3575 | r = y + 33; |
3576 | c = x + 33; |
3577 | |
3578 | sprintf(abuf, "\033[M%c%c%c", encstate, c, r); |
760e88b2 |
3579 | ldisc_send(abuf, 6, 0); |
01c034ad |
3580 | return; |
3581 | } |
3582 | |
3583 | b = translate_button(b); |
3584 | |
6908fed7 |
3585 | /* |
3586 | * Set the selection type (rectangular or normal) at the start |
3587 | * of a selection attempt, from the state of Alt. |
3588 | */ |
3589 | if (!alt ^ !cfg.rect_select) |
3590 | default_seltype = RECTANGULAR; |
3591 | else |
3592 | default_seltype = LEXICOGRAPHIC; |
3593 | |
3594 | if (selstate == NO_SELECTION) { |
3595 | seltype = default_seltype; |
3596 | } |
3597 | |
01c034ad |
3598 | if (b == MBT_SELECT && a == MA_CLICK) { |
374330e2 |
3599 | deselect(); |
3600 | selstate = ABOUT_TO; |
6908fed7 |
3601 | seltype = default_seltype; |
374330e2 |
3602 | selanchor = selpoint; |
3603 | selmode = SM_CHAR; |
01c034ad |
3604 | } else if (b == MBT_SELECT && (a == MA_2CLK || a == MA_3CLK)) { |
374330e2 |
3605 | deselect(); |
3606 | selmode = (a == MA_2CLK ? SM_WORD : SM_LINE); |
3607 | selstate = DRAGGING; |
3608 | selstart = selanchor = selpoint; |
4facdf84 |
3609 | selend = selstart; |
3610 | incpos(selend); |
374330e2 |
3611 | sel_spread(); |
01c034ad |
3612 | } else if ((b == MBT_SELECT && a == MA_DRAG) || |
3613 | (b == MBT_EXTEND && a != MA_RELEASE)) { |
4facdf84 |
3614 | if (selstate == ABOUT_TO && poseq(selanchor, selpoint)) |
374330e2 |
3615 | return; |
01c034ad |
3616 | if (b == MBT_EXTEND && a != MA_DRAG && selstate == SELECTED) { |
6908fed7 |
3617 | if (seltype == LEXICOGRAPHIC) { |
3618 | /* |
3619 | * For normal selection, we extend by moving |
3620 | * whichever end of the current selection is closer |
3621 | * to the mouse. |
3622 | */ |
3623 | if (posdiff(selpoint, selstart) < |
3624 | posdiff(selend, selstart) / 2) { |
3625 | selanchor = selend; |
3626 | decpos(selanchor); |
3627 | } else { |
3628 | selanchor = selstart; |
3629 | } |
4facdf84 |
3630 | } else { |
6908fed7 |
3631 | /* |
3632 | * For rectangular selection, we have a choice of |
3633 | * _four_ places to put selanchor and selpoint: the |
3634 | * four corners of the selection. |
3635 | */ |
3636 | if (2*selpoint.x < selstart.x + selend.x) |
3637 | selanchor.x = selend.x-1; |
3638 | else |
3639 | selanchor.x = selstart.x; |
3640 | |
3641 | if (2*selpoint.y < selstart.y + selend.y) |
3642 | selanchor.y = selend.y; |
3643 | else |
3644 | selanchor.y = selstart.y; |
4facdf84 |
3645 | } |
374330e2 |
3646 | selstate = DRAGGING; |
3647 | } |
3648 | if (selstate != ABOUT_TO && selstate != DRAGGING) |
3649 | selanchor = selpoint; |
3650 | selstate = DRAGGING; |
6908fed7 |
3651 | if (seltype == LEXICOGRAPHIC) { |
3652 | /* |
3653 | * For normal selection, we set (selstart,selend) to |
3654 | * (selpoint,selanchor) in some order. |
3655 | */ |
3656 | if (poslt(selpoint, selanchor)) { |
3657 | selstart = selpoint; |
3658 | selend = selanchor; |
3659 | incpos(selend); |
3660 | } else { |
3661 | selstart = selanchor; |
3662 | selend = selpoint; |
3663 | incpos(selend); |
3664 | } |
374330e2 |
3665 | } else { |
6908fed7 |
3666 | /* |
3667 | * For rectangular selection, we may need to |
3668 | * interchange x and y coordinates (if the user has |
3669 | * dragged in the -x and +y directions, or vice versa). |
3670 | */ |
3671 | selstart.x = min(selanchor.x, selpoint.x); |
3672 | selend.x = 1+max(selanchor.x, selpoint.x); |
3673 | selstart.y = min(selanchor.y, selpoint.y); |
3674 | selend.y = max(selanchor.y, selpoint.y); |
374330e2 |
3675 | } |
3676 | sel_spread(); |
01c034ad |
3677 | } else if ((b == MBT_SELECT || b == MBT_EXTEND) && a == MA_RELEASE) { |
374330e2 |
3678 | if (selstate == DRAGGING) { |
3679 | /* |
3680 | * We've completed a selection. We now transfer the |
3681 | * data to the clipboard. |
3682 | */ |
6908fed7 |
3683 | clipme(selstart, selend, (seltype == RECTANGULAR)); |
374330e2 |
3684 | selstate = SELECTED; |
3685 | } else |
3686 | selstate = NO_SELECTION; |
32874aea |
3687 | } else if (b == MBT_PASTE |
e6346999 |
3688 | && (a == MA_CLICK |
3689 | #if MULTICLICK_ONLY_EVENT |
3690 | || a == MA_2CLK || a == MA_3CLK |
3691 | #endif |
3692 | )) { |
3693 | request_paste(); |
374330e2 |
3694 | } |
3695 | |
3696 | term_update(); |
3697 | } |
3698 | |
32874aea |
3699 | void term_nopaste() |
3700 | { |
3701 | if (paste_len == 0) |
3702 | return; |
c9def1b8 |
3703 | sfree(paste_buffer); |
3704 | paste_buffer = 0; |
3705 | paste_len = 0; |
3706 | } |
3707 | |
0f660c8f |
3708 | int term_paste_pending(void) |
3709 | { |
3710 | return paste_len != 0; |
3711 | } |
3712 | |
32874aea |
3713 | void term_paste() |
3714 | { |
8df7a775 |
3715 | static long last_paste = 0; |
c9def1b8 |
3716 | long now, paste_diff; |
3717 | |
32874aea |
3718 | if (paste_len == 0) |
3719 | return; |
c9def1b8 |
3720 | |
3721 | /* Don't wait forever to paste */ |
32874aea |
3722 | if (paste_hold) { |
f7f27309 |
3723 | now = GETTICKCOUNT(); |
32874aea |
3724 | paste_diff = now - last_paste; |
3725 | if (paste_diff >= 0 && paste_diff < 450) |
c9def1b8 |
3726 | return; |
3727 | } |
3728 | paste_hold = 0; |
3729 | |
32874aea |
3730 | while (paste_pos < paste_len) { |
8df7a775 |
3731 | int n = 0; |
3732 | while (n + paste_pos < paste_len) { |
3733 | if (paste_buffer[paste_pos + n++] == '\r') |
3734 | break; |
3735 | } |
760e88b2 |
3736 | luni_send(paste_buffer + paste_pos, n, 0); |
8df7a775 |
3737 | paste_pos += n; |
c9def1b8 |
3738 | |
8df7a775 |
3739 | if (paste_pos < paste_len) { |
c9def1b8 |
3740 | paste_hold = 1; |
3741 | return; |
3742 | } |
3743 | } |
3744 | sfree(paste_buffer); |
3745 | paste_buffer = 0; |
3746 | paste_len = 0; |
3747 | } |
3748 | |
32874aea |
3749 | static void deselect(void) |
3750 | { |
374330e2 |
3751 | selstate = NO_SELECTION; |
4facdf84 |
3752 | selstart.x = selstart.y = selend.x = selend.y = 0; |
374330e2 |
3753 | } |
3754 | |
32874aea |
3755 | void term_deselect(void) |
3756 | { |
374330e2 |
3757 | deselect(); |
3758 | term_update(); |
3759 | } |
fe50e814 |
3760 | |
32874aea |
3761 | int term_ldisc(int option) |
3762 | { |
3763 | if (option == LD_ECHO) |
3764 | return term_echoing; |
3765 | if (option == LD_EDIT) |
3766 | return term_editing; |
0965bee0 |
3767 | return FALSE; |
3768 | } |
3769 | |
fe50e814 |
3770 | /* |
3771 | * from_backend(), to get data from the backend for the terminal. |
3772 | */ |
5471d09a |
3773 | int from_backend(int is_stderr, char *data, int len) |
32874aea |
3774 | { |
2b0c045b |
3775 | assert(len > 0); |
3776 | |
a748a096 |
3777 | bufchain_add(&inbuf, data, len); |
5471d09a |
3778 | |
3779 | /* |
a748a096 |
3780 | * term_out() always completely empties inbuf. Therefore, |
3781 | * there's no reason at all to return anything other than zero |
3782 | * from this function, because there _can't_ be a question of |
3783 | * the remote side needing to wait until term_out() has cleared |
3784 | * a backlog. |
3785 | * |
5471d09a |
3786 | * This is a slightly suboptimal way to deal with SSH2 - in |
3787 | * principle, the window mechanism would allow us to continue |
3788 | * to accept data on forwarded ports and X connections even |
3789 | * while the terminal processing was going slowly - but we |
3790 | * can't do the 100% right thing without moving the terminal |
3791 | * processing into a separate thread, and that might hurt |
3792 | * portability. So we manage stdout buffering the old SSH1 way: |
3793 | * if the terminal processing goes slowly, the whole SSH |
3794 | * connection stops accepting data until it's ready. |
a748a096 |
3795 | * |
5471d09a |
3796 | * In practice, I can't imagine this causing serious trouble. |
3797 | */ |
3798 | return 0; |
fe50e814 |
3799 | } |