Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1 | #include "vterm_internal.h" |
| 2 | |
| 3 | #include <stdio.h> |
| 4 | #include <string.h> |
| 5 | |
| 6 | #define strneq(a,b,n) (strncmp(a,b,n)==0) |
| 7 | |
| 8 | #include "utf8.h" |
| 9 | |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 10 | #if defined(DEBUG) && DEBUG > 1 |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 11 | # define DEBUG_GLYPH_COMBINE |
| 12 | #endif |
| 13 | |
| 14 | #define MOUSE_WANT_CLICK 0x01 |
| 15 | #define MOUSE_WANT_DRAG 0x02 |
| 16 | #define MOUSE_WANT_MOVE 0x04 |
| 17 | |
| 18 | /* Some convenient wrappers to make callback functions easier */ |
| 19 | |
| 20 | static void putglyph(VTermState *state, const uint32_t chars[], int width, VTermPos pos) |
| 21 | { |
| 22 | VTermGlyphInfo info = { |
| 23 | .chars = chars, |
| 24 | .width = width, |
| 25 | .protected_cell = state->protected_cell, |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 26 | .dwl = state->lineinfo[pos.row].doublewidth, |
| 27 | .dhl = state->lineinfo[pos.row].doubleheight, |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 28 | }; |
| 29 | |
| 30 | if(state->callbacks && state->callbacks->putglyph) |
| 31 | if((*state->callbacks->putglyph)(&info, pos, state->cbdata)) |
| 32 | return; |
| 33 | |
| 34 | fprintf(stderr, "libvterm: Unhandled putglyph U+%04x at (%d,%d)\n", chars[0], pos.col, pos.row); |
| 35 | } |
| 36 | |
| 37 | static void updatecursor(VTermState *state, VTermPos *oldpos, int cancel_phantom) |
| 38 | { |
| 39 | if(state->pos.col == oldpos->col && state->pos.row == oldpos->row) |
| 40 | return; |
| 41 | |
| 42 | if(cancel_phantom) |
| 43 | state->at_phantom = 0; |
| 44 | |
| 45 | if(state->callbacks && state->callbacks->movecursor) |
| 46 | if((*state->callbacks->movecursor)(state->pos, *oldpos, state->mode.cursor_visible, state->cbdata)) |
| 47 | return; |
| 48 | } |
| 49 | |
| 50 | static void erase(VTermState *state, VTermRect rect, int selective) |
| 51 | { |
| 52 | if(state->callbacks && state->callbacks->erase) |
| 53 | if((*state->callbacks->erase)(rect, selective, state->cbdata)) |
| 54 | return; |
| 55 | } |
| 56 | |
| 57 | static VTermState *vterm_state_new(VTerm *vt) |
| 58 | { |
| 59 | VTermState *state = vterm_allocator_malloc(vt, sizeof(VTermState)); |
| 60 | |
| 61 | state->vt = vt; |
| 62 | |
| 63 | state->rows = vt->rows; |
| 64 | state->cols = vt->cols; |
| 65 | |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 66 | vterm_state_newpen(state); |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 67 | |
| 68 | state->bold_is_highbright = 0; |
| 69 | |
| 70 | return state; |
| 71 | } |
| 72 | |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 73 | INTERNAL void vterm_state_free(VTermState *state) |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 74 | { |
Jeff Sharkey | 73fbfc3 | 2013-04-23 10:34:06 -0700 | [diff] [blame] | 75 | vterm_allocator_free(state->vt, state->tabstops); |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 76 | vterm_allocator_free(state->vt, state->lineinfo); |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 77 | vterm_allocator_free(state->vt, state->combine_chars); |
| 78 | vterm_allocator_free(state->vt, state); |
| 79 | } |
| 80 | |
| 81 | static void scroll(VTermState *state, VTermRect rect, int downward, int rightward) |
| 82 | { |
| 83 | if(!downward && !rightward) |
| 84 | return; |
| 85 | |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 86 | // Update lineinfo if full line |
| 87 | if(rect.start_col == 0 && rect.end_col == state->cols && rightward == 0) { |
| 88 | int height = rect.end_row - rect.start_row - abs(downward); |
| 89 | |
| 90 | if(downward > 0) |
| 91 | memmove(state->lineinfo + rect.start_row, |
| 92 | state->lineinfo + rect.start_row + downward, |
| 93 | height * sizeof(state->lineinfo[0])); |
| 94 | else |
| 95 | memmove(state->lineinfo + rect.start_row - downward, |
| 96 | state->lineinfo + rect.start_row, |
| 97 | height * sizeof(state->lineinfo[0])); |
| 98 | } |
| 99 | |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 100 | if(state->callbacks && state->callbacks->scrollrect) |
| 101 | if((*state->callbacks->scrollrect)(rect, downward, rightward, state->cbdata)) |
| 102 | return; |
| 103 | |
| 104 | if(state->callbacks) |
| 105 | vterm_scroll_rect(rect, downward, rightward, |
| 106 | state->callbacks->moverect, state->callbacks->erase, state->cbdata); |
| 107 | } |
| 108 | |
| 109 | static void linefeed(VTermState *state) |
| 110 | { |
| 111 | if(state->pos.row == SCROLLREGION_BOTTOM(state) - 1) { |
| 112 | VTermRect rect = { |
| 113 | .start_row = state->scrollregion_top, |
| 114 | .end_row = SCROLLREGION_BOTTOM(state), |
| 115 | .start_col = SCROLLREGION_LEFT(state), |
| 116 | .end_col = SCROLLREGION_RIGHT(state), |
| 117 | }; |
| 118 | |
| 119 | scroll(state, rect, 1, 0); |
| 120 | } |
| 121 | else if(state->pos.row < state->rows-1) |
| 122 | state->pos.row++; |
| 123 | } |
| 124 | |
| 125 | static void grow_combine_buffer(VTermState *state) |
| 126 | { |
| 127 | size_t new_size = state->combine_chars_size * 2; |
| 128 | uint32_t *new_chars = vterm_allocator_malloc(state->vt, new_size * sizeof(new_chars[0])); |
| 129 | |
| 130 | memcpy(new_chars, state->combine_chars, state->combine_chars_size * sizeof(new_chars[0])); |
| 131 | |
| 132 | vterm_allocator_free(state->vt, state->combine_chars); |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 133 | |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 134 | state->combine_chars = new_chars; |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 135 | state->combine_chars_size = new_size; |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 136 | } |
| 137 | |
| 138 | static void set_col_tabstop(VTermState *state, int col) |
| 139 | { |
| 140 | unsigned char mask = 1 << (col & 7); |
| 141 | state->tabstops[col >> 3] |= mask; |
| 142 | } |
| 143 | |
| 144 | static void clear_col_tabstop(VTermState *state, int col) |
| 145 | { |
| 146 | unsigned char mask = 1 << (col & 7); |
| 147 | state->tabstops[col >> 3] &= ~mask; |
| 148 | } |
| 149 | |
| 150 | static int is_col_tabstop(VTermState *state, int col) |
| 151 | { |
| 152 | unsigned char mask = 1 << (col & 7); |
| 153 | return state->tabstops[col >> 3] & mask; |
| 154 | } |
| 155 | |
| 156 | static void tab(VTermState *state, int count, int direction) |
| 157 | { |
| 158 | while(count--) |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 159 | while(state->pos.col >= 0 && state->pos.col < THISROWWIDTH(state)-1) { |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 160 | state->pos.col += direction; |
| 161 | |
| 162 | if(is_col_tabstop(state, state->pos.col)) |
| 163 | break; |
| 164 | } |
| 165 | } |
| 166 | |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 167 | #define NO_FORCE 0 |
| 168 | #define FORCE 1 |
| 169 | |
| 170 | #define DWL_OFF 0 |
| 171 | #define DWL_ON 1 |
| 172 | |
| 173 | #define DHL_OFF 0 |
| 174 | #define DHL_TOP 1 |
| 175 | #define DHL_BOTTOM 2 |
| 176 | |
| 177 | static void set_lineinfo(VTermState *state, int row, int force, int dwl, int dhl) |
| 178 | { |
| 179 | VTermLineInfo info = state->lineinfo[row]; |
| 180 | |
| 181 | if(dwl == DWL_OFF) |
| 182 | info.doublewidth = DWL_OFF; |
| 183 | else if(dwl == DWL_ON) |
| 184 | info.doublewidth = DWL_ON; |
| 185 | // else -1 to ignore |
| 186 | |
| 187 | if(dhl == DHL_OFF) |
| 188 | info.doubleheight = DHL_OFF; |
| 189 | else if(dhl == DHL_TOP) |
| 190 | info.doubleheight = DHL_TOP; |
| 191 | else if(dhl == DHL_BOTTOM) |
| 192 | info.doubleheight = DHL_BOTTOM; |
| 193 | |
| 194 | if((state->callbacks && |
| 195 | state->callbacks->setlineinfo && |
| 196 | (*state->callbacks->setlineinfo)(row, &info, state->lineinfo + row, state->cbdata)) |
| 197 | || force) |
| 198 | state->lineinfo[row] = info; |
| 199 | } |
| 200 | |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 201 | static int on_text(const char bytes[], size_t len, void *user) |
| 202 | { |
| 203 | VTermState *state = user; |
| 204 | |
| 205 | VTermPos oldpos = state->pos; |
| 206 | |
| 207 | // We'll have at most len codepoints |
| 208 | uint32_t codepoints[len]; |
| 209 | int npoints = 0; |
| 210 | size_t eaten = 0; |
| 211 | |
| 212 | VTermEncodingInstance *encoding = |
| 213 | state->gsingle_set ? &state->encoding[state->gsingle_set] : |
| 214 | !(bytes[eaten] & 0x80) ? &state->encoding[state->gl_set] : |
| 215 | state->vt->mode.utf8 ? &state->encoding_utf8 : |
| 216 | &state->encoding[state->gr_set]; |
| 217 | |
| 218 | (*encoding->enc->decode)(encoding->enc, encoding->data, |
| 219 | codepoints, &npoints, state->gsingle_set ? 1 : len, |
| 220 | bytes, &eaten, len); |
| 221 | |
| 222 | if(state->gsingle_set && npoints) |
| 223 | state->gsingle_set = 0; |
| 224 | |
| 225 | int i = 0; |
| 226 | |
| 227 | /* This is a combining char. that needs to be merged with the previous |
| 228 | * glyph output */ |
| 229 | if(vterm_unicode_is_combining(codepoints[i])) { |
| 230 | /* See if the cursor has moved since */ |
| 231 | if(state->pos.row == state->combine_pos.row && state->pos.col == state->combine_pos.col + state->combine_width) { |
| 232 | #ifdef DEBUG_GLYPH_COMBINE |
| 233 | int printpos; |
| 234 | printf("DEBUG: COMBINING SPLIT GLYPH of chars {"); |
| 235 | for(printpos = 0; state->combine_chars[printpos]; printpos++) |
| 236 | printf("U+%04x ", state->combine_chars[printpos]); |
| 237 | printf("} + {"); |
| 238 | #endif |
| 239 | |
| 240 | /* Find where we need to append these combining chars */ |
| 241 | int saved_i = 0; |
| 242 | while(state->combine_chars[saved_i]) |
| 243 | saved_i++; |
| 244 | |
| 245 | /* Add extra ones */ |
| 246 | while(i < npoints && vterm_unicode_is_combining(codepoints[i])) { |
| 247 | if(saved_i >= state->combine_chars_size) |
| 248 | grow_combine_buffer(state); |
| 249 | state->combine_chars[saved_i++] = codepoints[i++]; |
| 250 | } |
| 251 | if(saved_i >= state->combine_chars_size) |
| 252 | grow_combine_buffer(state); |
| 253 | state->combine_chars[saved_i] = 0; |
| 254 | |
| 255 | #ifdef DEBUG_GLYPH_COMBINE |
| 256 | for(; state->combine_chars[printpos]; printpos++) |
| 257 | printf("U+%04x ", state->combine_chars[printpos]); |
| 258 | printf("}\n"); |
| 259 | #endif |
| 260 | |
| 261 | /* Now render it */ |
| 262 | putglyph(state, state->combine_chars, state->combine_width, state->combine_pos); |
| 263 | } |
| 264 | else { |
| 265 | fprintf(stderr, "libvterm: TODO: Skip over split char+combining\n"); |
| 266 | } |
| 267 | } |
| 268 | |
| 269 | for(; i < npoints; i++) { |
| 270 | // Try to find combining characters following this |
| 271 | int glyph_starts = i; |
| 272 | int glyph_ends; |
| 273 | for(glyph_ends = i + 1; glyph_ends < npoints; glyph_ends++) |
| 274 | if(!vterm_unicode_is_combining(codepoints[glyph_ends])) |
| 275 | break; |
| 276 | |
| 277 | int width = 0; |
| 278 | |
| 279 | uint32_t chars[glyph_ends - glyph_starts + 1]; |
| 280 | |
| 281 | for( ; i < glyph_ends; i++) { |
| 282 | chars[i - glyph_starts] = codepoints[i]; |
| 283 | width += vterm_unicode_width(codepoints[i]); |
| 284 | } |
| 285 | |
| 286 | chars[glyph_ends - glyph_starts] = 0; |
| 287 | i--; |
| 288 | |
| 289 | #ifdef DEBUG_GLYPH_COMBINE |
| 290 | int printpos; |
| 291 | printf("DEBUG: COMBINED GLYPH of %d chars {", glyph_ends - glyph_starts); |
| 292 | for(printpos = 0; printpos < glyph_ends - glyph_starts; printpos++) |
| 293 | printf("U+%04x ", chars[printpos]); |
| 294 | printf("}, onscreen width %d\n", width); |
| 295 | #endif |
| 296 | |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 297 | if(state->at_phantom || state->pos.col + width > THISROWWIDTH(state)) { |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 298 | linefeed(state); |
| 299 | state->pos.col = 0; |
| 300 | state->at_phantom = 0; |
| 301 | } |
| 302 | |
| 303 | if(state->mode.insert) { |
| 304 | /* TODO: This will be a little inefficient for large bodies of text, as |
| 305 | * it'll have to 'ICH' effectively before every glyph. We should scan |
| 306 | * ahead and ICH as many times as required |
| 307 | */ |
| 308 | VTermRect rect = { |
| 309 | .start_row = state->pos.row, |
| 310 | .end_row = state->pos.row + 1, |
| 311 | .start_col = state->pos.col, |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 312 | .end_col = THISROWWIDTH(state), |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 313 | }; |
| 314 | scroll(state, rect, 0, -1); |
| 315 | } |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 316 | |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 317 | putglyph(state, chars, width, state->pos); |
| 318 | |
| 319 | if(i == npoints - 1) { |
| 320 | /* End of the buffer. Save the chars in case we have to combine with |
| 321 | * more on the next call */ |
| 322 | int save_i; |
| 323 | for(save_i = 0; chars[save_i]; save_i++) { |
| 324 | if(save_i >= state->combine_chars_size) |
| 325 | grow_combine_buffer(state); |
| 326 | state->combine_chars[save_i] = chars[save_i]; |
| 327 | } |
| 328 | if(save_i >= state->combine_chars_size) |
| 329 | grow_combine_buffer(state); |
| 330 | state->combine_chars[save_i] = 0; |
| 331 | state->combine_width = width; |
| 332 | state->combine_pos = state->pos; |
| 333 | } |
| 334 | |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 335 | if(state->pos.col + width >= THISROWWIDTH(state)) { |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 336 | if(state->mode.autowrap) |
| 337 | state->at_phantom = 1; |
| 338 | } |
| 339 | else { |
| 340 | state->pos.col += width; |
| 341 | } |
| 342 | } |
| 343 | |
| 344 | updatecursor(state, &oldpos, 0); |
| 345 | |
| 346 | return eaten; |
| 347 | } |
| 348 | |
| 349 | static int on_control(unsigned char control, void *user) |
| 350 | { |
| 351 | VTermState *state = user; |
| 352 | |
| 353 | VTermPos oldpos = state->pos; |
| 354 | |
| 355 | switch(control) { |
| 356 | case 0x07: // BEL - ECMA-48 8.3.3 |
| 357 | if(state->callbacks && state->callbacks->bell) |
| 358 | (*state->callbacks->bell)(state->cbdata); |
| 359 | break; |
| 360 | |
| 361 | case 0x08: // BS - ECMA-48 8.3.5 |
| 362 | if(state->pos.col > 0) |
| 363 | state->pos.col--; |
| 364 | break; |
| 365 | |
| 366 | case 0x09: // HT - ECMA-48 8.3.60 |
| 367 | tab(state, 1, +1); |
| 368 | break; |
| 369 | |
| 370 | case 0x0a: // LF - ECMA-48 8.3.74 |
| 371 | case 0x0b: // VT |
| 372 | case 0x0c: // FF |
| 373 | linefeed(state); |
| 374 | if(state->mode.newline) |
| 375 | state->pos.col = 0; |
| 376 | break; |
| 377 | |
| 378 | case 0x0d: // CR - ECMA-48 8.3.15 |
| 379 | state->pos.col = 0; |
| 380 | break; |
| 381 | |
| 382 | case 0x0e: // LS1 - ECMA-48 8.3.76 |
| 383 | state->gl_set = 1; |
| 384 | break; |
| 385 | |
| 386 | case 0x0f: // LS0 - ECMA-48 8.3.75 |
| 387 | state->gl_set = 0; |
| 388 | break; |
| 389 | |
| 390 | case 0x84: // IND - DEPRECATED but implemented for completeness |
| 391 | linefeed(state); |
| 392 | break; |
| 393 | |
| 394 | case 0x85: // NEL - ECMA-48 8.3.86 |
| 395 | linefeed(state); |
| 396 | state->pos.col = 0; |
| 397 | break; |
| 398 | |
| 399 | case 0x88: // HTS - ECMA-48 8.3.62 |
| 400 | set_col_tabstop(state, state->pos.col); |
| 401 | break; |
| 402 | |
| 403 | case 0x8d: // RI - ECMA-48 8.3.104 |
| 404 | if(state->pos.row == state->scrollregion_top) { |
| 405 | VTermRect rect = { |
| 406 | .start_row = state->scrollregion_top, |
| 407 | .end_row = SCROLLREGION_BOTTOM(state), |
| 408 | .start_col = SCROLLREGION_LEFT(state), |
| 409 | .end_col = SCROLLREGION_RIGHT(state), |
| 410 | }; |
| 411 | |
| 412 | scroll(state, rect, -1, 0); |
| 413 | } |
| 414 | else if(state->pos.row > 0) |
| 415 | state->pos.row--; |
| 416 | break; |
| 417 | |
| 418 | case 0x8e: // SS2 - ECMA-48 8.3.141 |
| 419 | state->gsingle_set = 2; |
| 420 | break; |
| 421 | |
| 422 | case 0x8f: // SS3 - ECMA-48 8.3.142 |
| 423 | state->gsingle_set = 3; |
| 424 | break; |
| 425 | |
| 426 | default: |
| 427 | return 0; |
| 428 | } |
| 429 | |
| 430 | updatecursor(state, &oldpos, 1); |
| 431 | |
| 432 | return 1; |
| 433 | } |
| 434 | |
| 435 | static void output_mouse(VTermState *state, int code, int pressed, int modifiers, int col, int row) |
| 436 | { |
| 437 | modifiers <<= 2; |
| 438 | |
| 439 | switch(state->mouse_protocol) { |
| 440 | case MOUSE_X10: |
| 441 | if(col + 0x21 > 0xff) |
| 442 | col = 0xff - 0x21; |
| 443 | if(row + 0x21 > 0xff) |
| 444 | row = 0xff - 0x21; |
| 445 | |
| 446 | if(!pressed) |
| 447 | code = 3; |
| 448 | |
| 449 | vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, "M%c%c%c", |
| 450 | (code | modifiers) + 0x20, col + 0x21, row + 0x21); |
| 451 | break; |
| 452 | |
| 453 | case MOUSE_UTF8: |
| 454 | { |
| 455 | char utf8[18]; size_t len = 0; |
| 456 | |
| 457 | if(!pressed) |
| 458 | code = 3; |
| 459 | |
| 460 | len += fill_utf8((code | modifiers) + 0x20, utf8 + len); |
| 461 | len += fill_utf8(col + 0x21, utf8 + len); |
| 462 | len += fill_utf8(row + 0x21, utf8 + len); |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 463 | utf8[len] = 0; |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 464 | |
| 465 | vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, "M%s", utf8); |
| 466 | } |
| 467 | break; |
| 468 | |
| 469 | case MOUSE_SGR: |
| 470 | vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, "<%d;%d;%d%c", |
| 471 | code | modifiers, col + 1, row + 1, pressed ? 'M' : 'm'); |
| 472 | break; |
| 473 | |
| 474 | case MOUSE_RXVT: |
| 475 | if(!pressed) |
| 476 | code = 3; |
| 477 | |
| 478 | vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, "%d;%d;%dM", |
| 479 | code | modifiers, col + 1, row + 1); |
| 480 | break; |
| 481 | } |
| 482 | } |
| 483 | |
| 484 | static void mousefunc(int col, int row, int button, int pressed, int modifiers, void *data) |
| 485 | { |
| 486 | VTermState *state = data; |
| 487 | |
| 488 | int old_col = state->mouse_col; |
| 489 | int old_row = state->mouse_row; |
| 490 | int old_buttons = state->mouse_buttons; |
| 491 | |
| 492 | state->mouse_col = col; |
| 493 | state->mouse_row = row; |
| 494 | |
| 495 | if(button > 0 && button <= 3) { |
| 496 | if(pressed) |
| 497 | state->mouse_buttons |= (1 << (button-1)); |
| 498 | else |
| 499 | state->mouse_buttons &= ~(1 << (button-1)); |
| 500 | } |
| 501 | |
| 502 | modifiers &= 0x7; |
| 503 | |
| 504 | |
| 505 | /* Most of the time we don't get button releases from 4/5 */ |
| 506 | if(state->mouse_buttons != old_buttons || button >= 4) { |
| 507 | if(button < 4) { |
| 508 | output_mouse(state, button-1, pressed, modifiers, col, row); |
| 509 | } |
| 510 | else if(button < 6) { |
| 511 | output_mouse(state, button-4 + 0x40, pressed, modifiers, col, row); |
| 512 | } |
| 513 | } |
| 514 | else if(col != old_col || row != old_row) { |
| 515 | if((state->mouse_flags & MOUSE_WANT_DRAG && state->mouse_buttons) || |
| 516 | (state->mouse_flags & MOUSE_WANT_MOVE)) { |
| 517 | int button = state->mouse_buttons & 0x01 ? 1 : |
| 518 | state->mouse_buttons & 0x02 ? 2 : |
| 519 | state->mouse_buttons & 0x04 ? 3 : 4; |
| 520 | output_mouse(state, button-1 + 0x20, 1, modifiers, col, row); |
| 521 | } |
| 522 | } |
| 523 | } |
| 524 | |
| 525 | static int settermprop_bool(VTermState *state, VTermProp prop, int v) |
| 526 | { |
| 527 | VTermValue val = { .boolean = v }; |
| 528 | return vterm_state_set_termprop(state, prop, &val); |
| 529 | } |
| 530 | |
| 531 | static int settermprop_int(VTermState *state, VTermProp prop, int v) |
| 532 | { |
| 533 | VTermValue val = { .number = v }; |
| 534 | return vterm_state_set_termprop(state, prop, &val); |
| 535 | } |
| 536 | |
| 537 | static int settermprop_string(VTermState *state, VTermProp prop, const char *str, size_t len) |
| 538 | { |
| 539 | char strvalue[len+1]; |
| 540 | strncpy(strvalue, str, len); |
| 541 | strvalue[len] = 0; |
| 542 | |
| 543 | VTermValue val = { .string = strvalue }; |
| 544 | return vterm_state_set_termprop(state, prop, &val); |
| 545 | } |
| 546 | |
| 547 | static void savecursor(VTermState *state, int save) |
| 548 | { |
| 549 | if(save) { |
| 550 | state->saved.pos = state->pos; |
| 551 | state->saved.mode.cursor_visible = state->mode.cursor_visible; |
| 552 | state->saved.mode.cursor_blink = state->mode.cursor_blink; |
| 553 | state->saved.mode.cursor_shape = state->mode.cursor_shape; |
| 554 | |
| 555 | vterm_state_savepen(state, 1); |
| 556 | } |
| 557 | else { |
| 558 | VTermPos oldpos = state->pos; |
| 559 | |
| 560 | state->pos = state->saved.pos; |
| 561 | |
| 562 | settermprop_bool(state, VTERM_PROP_CURSORVISIBLE, state->saved.mode.cursor_visible); |
| 563 | settermprop_bool(state, VTERM_PROP_CURSORBLINK, state->saved.mode.cursor_blink); |
| 564 | settermprop_int (state, VTERM_PROP_CURSORSHAPE, state->saved.mode.cursor_shape); |
| 565 | |
| 566 | vterm_state_savepen(state, 0); |
| 567 | |
| 568 | updatecursor(state, &oldpos, 1); |
| 569 | } |
| 570 | } |
| 571 | |
| 572 | static int on_escape(const char *bytes, size_t len, void *user) |
| 573 | { |
| 574 | VTermState *state = user; |
| 575 | |
| 576 | /* Easier to decode this from the first byte, even though the final |
| 577 | * byte terminates it |
| 578 | */ |
| 579 | switch(bytes[0]) { |
| 580 | case ' ': |
| 581 | if(len != 2) |
| 582 | return 0; |
| 583 | |
| 584 | switch(bytes[1]) { |
| 585 | case 'F': // S7C1T |
| 586 | state->vt->mode.ctrl8bit = 0; |
| 587 | break; |
| 588 | |
| 589 | case 'G': // S8C1T |
| 590 | state->vt->mode.ctrl8bit = 1; |
| 591 | break; |
| 592 | |
| 593 | default: |
| 594 | return 0; |
| 595 | } |
| 596 | return 2; |
| 597 | |
| 598 | case '#': |
| 599 | if(len != 2) |
| 600 | return 0; |
| 601 | |
| 602 | switch(bytes[1]) { |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 603 | case '3': // DECDHL top |
| 604 | if(state->mode.leftrightmargin) |
| 605 | break; |
| 606 | set_lineinfo(state, state->pos.row, NO_FORCE, DWL_ON, DHL_TOP); |
| 607 | break; |
| 608 | |
| 609 | case '4': // DECDHL bottom |
| 610 | if(state->mode.leftrightmargin) |
| 611 | break; |
| 612 | set_lineinfo(state, state->pos.row, NO_FORCE, DWL_ON, DHL_BOTTOM); |
| 613 | break; |
| 614 | |
| 615 | case '5': // DECSWL |
| 616 | if(state->mode.leftrightmargin) |
| 617 | break; |
| 618 | set_lineinfo(state, state->pos.row, NO_FORCE, DWL_OFF, DHL_OFF); |
| 619 | break; |
| 620 | |
| 621 | case '6': // DECDWL |
| 622 | if(state->mode.leftrightmargin) |
| 623 | break; |
| 624 | set_lineinfo(state, state->pos.row, NO_FORCE, DWL_ON, DHL_OFF); |
| 625 | break; |
| 626 | |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 627 | case '8': // DECALN |
| 628 | { |
| 629 | VTermPos pos; |
| 630 | uint32_t E[] = { 'E', 0 }; |
| 631 | for(pos.row = 0; pos.row < state->rows; pos.row++) |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 632 | for(pos.col = 0; pos.col < ROWWIDTH(state, pos.row); pos.col++) |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 633 | putglyph(state, E, 1, pos); |
| 634 | break; |
| 635 | } |
| 636 | |
| 637 | default: |
| 638 | return 0; |
| 639 | } |
| 640 | return 2; |
| 641 | |
| 642 | case '(': case ')': case '*': case '+': // SCS |
| 643 | if(len != 2) |
| 644 | return 0; |
| 645 | |
| 646 | { |
| 647 | int setnum = bytes[0] - 0x28; |
| 648 | VTermEncoding *newenc = vterm_lookup_encoding(ENC_SINGLE_94, bytes[1]); |
| 649 | |
| 650 | if(newenc) { |
| 651 | state->encoding[setnum].enc = newenc; |
| 652 | |
| 653 | if(newenc->init) |
| 654 | (*newenc->init)(newenc, state->encoding[setnum].data); |
| 655 | } |
| 656 | } |
| 657 | |
| 658 | return 2; |
| 659 | |
| 660 | case '7': // DECSC |
| 661 | savecursor(state, 1); |
| 662 | return 1; |
| 663 | |
| 664 | case '8': // DECRC |
| 665 | savecursor(state, 0); |
| 666 | return 1; |
| 667 | |
| 668 | case '<': // Ignored by VT100. Used in VT52 mode to switch up to VT100 |
| 669 | return 1; |
| 670 | |
| 671 | case '=': // DECKPAM |
| 672 | state->mode.keypad = 1; |
| 673 | return 1; |
| 674 | |
| 675 | case '>': // DECKPNM |
| 676 | state->mode.keypad = 0; |
| 677 | return 1; |
| 678 | |
| 679 | case 'c': // RIS - ECMA-48 8.3.105 |
| 680 | { |
| 681 | VTermPos oldpos = state->pos; |
| 682 | vterm_state_reset(state, 1); |
| 683 | if(state->callbacks && state->callbacks->movecursor) |
| 684 | (*state->callbacks->movecursor)(state->pos, oldpos, state->mode.cursor_visible, state->cbdata); |
| 685 | return 1; |
| 686 | } |
| 687 | |
| 688 | case 'n': // LS2 - ECMA-48 8.3.78 |
| 689 | state->gl_set = 2; |
| 690 | return 1; |
| 691 | |
| 692 | case 'o': // LS3 - ECMA-48 8.3.80 |
| 693 | state->gl_set = 3; |
| 694 | return 1; |
| 695 | |
| 696 | case '~': // LS1R - ECMA-48 8.3.77 |
| 697 | state->gr_set = 1; |
| 698 | return 1; |
| 699 | |
| 700 | case '}': // LS2R - ECMA-48 8.3.79 |
| 701 | state->gr_set = 2; |
| 702 | return 1; |
| 703 | |
| 704 | case '|': // LS3R - ECMA-48 8.3.81 |
| 705 | state->gr_set = 3; |
| 706 | return 1; |
| 707 | |
| 708 | default: |
| 709 | return 0; |
| 710 | } |
| 711 | } |
| 712 | |
| 713 | static void set_mode(VTermState *state, int num, int val) |
| 714 | { |
| 715 | switch(num) { |
| 716 | case 4: // IRM - ECMA-48 7.2.10 |
| 717 | state->mode.insert = val; |
| 718 | break; |
| 719 | |
| 720 | case 20: // LNM - ANSI X3.4-1977 |
| 721 | state->mode.newline = val; |
| 722 | break; |
| 723 | |
| 724 | default: |
| 725 | fprintf(stderr, "libvterm: Unknown mode %d\n", num); |
| 726 | return; |
| 727 | } |
| 728 | } |
| 729 | |
| 730 | static void set_dec_mode(VTermState *state, int num, int val) |
| 731 | { |
| 732 | switch(num) { |
| 733 | case 1: |
| 734 | state->mode.cursor = val; |
| 735 | break; |
| 736 | |
| 737 | case 5: // DECSCNM - screen mode |
| 738 | settermprop_bool(state, VTERM_PROP_REVERSE, val); |
| 739 | break; |
| 740 | |
| 741 | case 6: // DECOM - origin mode |
| 742 | { |
| 743 | VTermPos oldpos = state->pos; |
| 744 | state->mode.origin = val; |
| 745 | state->pos.row = state->mode.origin ? state->scrollregion_top : 0; |
| 746 | state->pos.col = state->mode.origin ? SCROLLREGION_LEFT(state) : 0; |
| 747 | updatecursor(state, &oldpos, 1); |
| 748 | } |
| 749 | break; |
| 750 | |
| 751 | case 7: |
| 752 | state->mode.autowrap = val; |
| 753 | break; |
| 754 | |
| 755 | case 12: |
| 756 | settermprop_bool(state, VTERM_PROP_CURSORBLINK, val); |
| 757 | break; |
| 758 | |
| 759 | case 25: |
| 760 | settermprop_bool(state, VTERM_PROP_CURSORVISIBLE, val); |
| 761 | break; |
| 762 | |
| 763 | case 69: // DECVSSM - vertical split screen mode |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 764 | // DECLRMM - left/right margin mode |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 765 | state->mode.leftrightmargin = val; |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 766 | if(val) { |
| 767 | // Setting DECVSSM must clear doublewidth/doubleheight state of every line |
| 768 | for(int row = 0; row < state->rows; row++) |
| 769 | set_lineinfo(state, row, FORCE, DWL_OFF, DHL_OFF); |
| 770 | } |
| 771 | |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 772 | break; |
| 773 | |
| 774 | case 1000: |
| 775 | case 1002: |
| 776 | case 1003: |
| 777 | if(val) { |
| 778 | state->mouse_col = 0; |
| 779 | state->mouse_row = 0; |
| 780 | state->mouse_buttons = 0; |
| 781 | |
| 782 | state->mouse_flags = MOUSE_WANT_CLICK; |
| 783 | state->mouse_protocol = MOUSE_X10; |
| 784 | |
| 785 | if(num == 1002) |
| 786 | state->mouse_flags |= MOUSE_WANT_DRAG; |
| 787 | if(num == 1003) |
| 788 | state->mouse_flags |= MOUSE_WANT_MOVE; |
| 789 | } |
| 790 | else { |
| 791 | state->mouse_flags = 0; |
| 792 | } |
| 793 | |
| 794 | if(state->callbacks && state->callbacks->setmousefunc) |
| 795 | (*state->callbacks->setmousefunc)(val ? mousefunc : NULL, state, state->cbdata); |
| 796 | |
| 797 | break; |
| 798 | |
| 799 | case 1005: |
| 800 | state->mouse_protocol = val ? MOUSE_UTF8 : MOUSE_X10; |
| 801 | break; |
| 802 | |
| 803 | case 1006: |
| 804 | state->mouse_protocol = val ? MOUSE_SGR : MOUSE_X10; |
| 805 | break; |
| 806 | |
| 807 | case 1015: |
| 808 | state->mouse_protocol = val ? MOUSE_RXVT : MOUSE_X10; |
| 809 | break; |
| 810 | |
| 811 | case 1047: |
| 812 | settermprop_bool(state, VTERM_PROP_ALTSCREEN, val); |
| 813 | break; |
| 814 | |
| 815 | case 1048: |
| 816 | savecursor(state, val); |
| 817 | break; |
| 818 | |
| 819 | case 1049: |
| 820 | settermprop_bool(state, VTERM_PROP_ALTSCREEN, val); |
| 821 | savecursor(state, val); |
| 822 | break; |
| 823 | |
| 824 | default: |
| 825 | fprintf(stderr, "libvterm: Unknown DEC mode %d\n", num); |
| 826 | return; |
| 827 | } |
| 828 | } |
| 829 | |
| 830 | static void request_dec_mode(VTermState *state, int num) |
| 831 | { |
| 832 | int reply; |
| 833 | |
| 834 | switch(num) { |
| 835 | case 1: |
| 836 | reply = state->mode.cursor; |
| 837 | break; |
| 838 | |
| 839 | case 5: |
| 840 | reply = state->mode.screen; |
| 841 | break; |
| 842 | |
| 843 | case 6: |
| 844 | reply = state->mode.origin; |
| 845 | break; |
| 846 | |
| 847 | case 7: |
| 848 | reply = state->mode.autowrap; |
| 849 | break; |
| 850 | |
| 851 | case 12: |
| 852 | reply = state->mode.cursor_blink; |
| 853 | break; |
| 854 | |
| 855 | case 25: |
| 856 | reply = state->mode.cursor_visible; |
| 857 | break; |
| 858 | |
| 859 | case 69: |
| 860 | reply = state->mode.leftrightmargin; |
| 861 | break; |
| 862 | |
| 863 | case 1000: |
| 864 | reply = state->mouse_flags == MOUSE_WANT_CLICK; |
| 865 | break; |
| 866 | |
| 867 | case 1002: |
| 868 | reply = state->mouse_flags == (MOUSE_WANT_CLICK|MOUSE_WANT_DRAG); |
| 869 | break; |
| 870 | |
| 871 | case 1003: |
| 872 | reply = state->mouse_flags == (MOUSE_WANT_CLICK|MOUSE_WANT_MOVE); |
| 873 | break; |
| 874 | |
| 875 | case 1005: |
| 876 | reply = state->mouse_protocol == MOUSE_UTF8; |
| 877 | break; |
| 878 | |
| 879 | case 1006: |
| 880 | reply = state->mouse_protocol == MOUSE_SGR; |
| 881 | break; |
| 882 | |
| 883 | case 1015: |
| 884 | reply = state->mouse_protocol == MOUSE_RXVT; |
| 885 | break; |
| 886 | |
| 887 | case 1047: |
| 888 | reply = state->mode.alt_screen; |
| 889 | break; |
| 890 | |
| 891 | default: |
| 892 | vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, "?%d;%d$y", num, 0); |
| 893 | return; |
| 894 | } |
| 895 | |
| 896 | vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, "?%d;%d$y", num, reply ? 1 : 2); |
| 897 | } |
| 898 | |
| 899 | static int on_csi(const char *leader, const long args[], int argcount, const char *intermed, char command, void *user) |
| 900 | { |
| 901 | VTermState *state = user; |
| 902 | int leader_byte = 0; |
| 903 | int intermed_byte = 0; |
| 904 | |
| 905 | if(leader && leader[0]) { |
| 906 | if(leader[1]) // longer than 1 char |
| 907 | return 0; |
| 908 | |
| 909 | switch(leader[0]) { |
| 910 | case '?': |
| 911 | case '>': |
| 912 | leader_byte = leader[0]; |
| 913 | break; |
| 914 | default: |
| 915 | return 0; |
| 916 | } |
| 917 | } |
| 918 | |
| 919 | if(intermed && intermed[0]) { |
| 920 | if(intermed[1]) // longer than 1 char |
| 921 | return 0; |
| 922 | |
| 923 | switch(intermed[0]) { |
| 924 | case ' ': |
| 925 | case '"': |
| 926 | case '$': |
| 927 | case '\'': |
| 928 | intermed_byte = intermed[0]; |
| 929 | break; |
| 930 | default: |
| 931 | return 0; |
| 932 | } |
| 933 | } |
| 934 | |
| 935 | VTermPos oldpos = state->pos; |
| 936 | |
| 937 | // Some temporaries for later code |
| 938 | int count, val; |
| 939 | int row, col; |
| 940 | VTermRect rect; |
| 941 | int selective; |
| 942 | |
| 943 | #define LBOUND(v,min) if((v) < (min)) (v) = (min) |
| 944 | #define UBOUND(v,max) if((v) > (max)) (v) = (max) |
| 945 | |
| 946 | #define LEADER(l,b) ((l << 8) | b) |
| 947 | #define INTERMED(i,b) ((i << 16) | b) |
| 948 | |
| 949 | switch(intermed_byte << 16 | leader_byte << 8 | command) { |
| 950 | case 0x40: // ICH - ECMA-48 8.3.64 |
| 951 | count = CSI_ARG_COUNT(args[0]); |
| 952 | |
| 953 | rect.start_row = state->pos.row; |
| 954 | rect.end_row = state->pos.row + 1; |
| 955 | rect.start_col = state->pos.col; |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 956 | if(state->mode.leftrightmargin) |
| 957 | rect.end_col = SCROLLREGION_RIGHT(state); |
| 958 | else |
| 959 | rect.end_col = THISROWWIDTH(state); |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 960 | |
| 961 | scroll(state, rect, 0, -count); |
| 962 | |
| 963 | break; |
| 964 | |
| 965 | case 0x41: // CUU - ECMA-48 8.3.22 |
| 966 | count = CSI_ARG_COUNT(args[0]); |
| 967 | state->pos.row -= count; |
| 968 | state->at_phantom = 0; |
| 969 | break; |
| 970 | |
| 971 | case 0x42: // CUD - ECMA-48 8.3.19 |
| 972 | count = CSI_ARG_COUNT(args[0]); |
| 973 | state->pos.row += count; |
| 974 | state->at_phantom = 0; |
| 975 | break; |
| 976 | |
| 977 | case 0x43: // CUF - ECMA-48 8.3.20 |
| 978 | count = CSI_ARG_COUNT(args[0]); |
| 979 | state->pos.col += count; |
| 980 | state->at_phantom = 0; |
| 981 | break; |
| 982 | |
| 983 | case 0x44: // CUB - ECMA-48 8.3.18 |
| 984 | count = CSI_ARG_COUNT(args[0]); |
| 985 | state->pos.col -= count; |
| 986 | state->at_phantom = 0; |
| 987 | break; |
| 988 | |
| 989 | case 0x45: // CNL - ECMA-48 8.3.12 |
| 990 | count = CSI_ARG_COUNT(args[0]); |
| 991 | state->pos.col = 0; |
| 992 | state->pos.row += count; |
| 993 | state->at_phantom = 0; |
| 994 | break; |
| 995 | |
| 996 | case 0x46: // CPL - ECMA-48 8.3.13 |
| 997 | count = CSI_ARG_COUNT(args[0]); |
| 998 | state->pos.col = 0; |
| 999 | state->pos.row -= count; |
| 1000 | state->at_phantom = 0; |
| 1001 | break; |
| 1002 | |
| 1003 | case 0x47: // CHA - ECMA-48 8.3.9 |
| 1004 | val = CSI_ARG_OR(args[0], 1); |
| 1005 | state->pos.col = val-1; |
| 1006 | state->at_phantom = 0; |
| 1007 | break; |
| 1008 | |
| 1009 | case 0x48: // CUP - ECMA-48 8.3.21 |
| 1010 | row = CSI_ARG_OR(args[0], 1); |
| 1011 | col = argcount < 2 || CSI_ARG_IS_MISSING(args[1]) ? 1 : CSI_ARG(args[1]); |
| 1012 | // zero-based |
| 1013 | state->pos.row = row-1; |
| 1014 | state->pos.col = col-1; |
| 1015 | if(state->mode.origin) { |
| 1016 | state->pos.row += state->scrollregion_top; |
| 1017 | state->pos.col += SCROLLREGION_LEFT(state); |
| 1018 | } |
| 1019 | state->at_phantom = 0; |
| 1020 | break; |
| 1021 | |
| 1022 | case 0x49: // CHT - ECMA-48 8.3.10 |
| 1023 | count = CSI_ARG_COUNT(args[0]); |
| 1024 | tab(state, count, +1); |
| 1025 | break; |
| 1026 | |
| 1027 | case 0x4a: // ED - ECMA-48 8.3.39 |
| 1028 | case LEADER('?', 0x4a): // DECSED - Selective Erase in Display |
| 1029 | selective = (leader_byte == '?'); |
| 1030 | switch(CSI_ARG(args[0])) { |
| 1031 | case CSI_ARG_MISSING: |
| 1032 | case 0: |
| 1033 | rect.start_row = state->pos.row; rect.end_row = state->pos.row + 1; |
| 1034 | rect.start_col = state->pos.col; rect.end_col = state->cols; |
| 1035 | if(rect.end_col > rect.start_col) |
| 1036 | erase(state, rect, selective); |
| 1037 | |
| 1038 | rect.start_row = state->pos.row + 1; rect.end_row = state->rows; |
| 1039 | rect.start_col = 0; |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 1040 | for(int row = rect.start_row; row < rect.end_row; row++) |
| 1041 | set_lineinfo(state, row, FORCE, DWL_OFF, DHL_OFF); |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1042 | if(rect.end_row > rect.start_row) |
| 1043 | erase(state, rect, selective); |
| 1044 | break; |
| 1045 | |
| 1046 | case 1: |
| 1047 | rect.start_row = 0; rect.end_row = state->pos.row; |
| 1048 | rect.start_col = 0; rect.end_col = state->cols; |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 1049 | for(int row = rect.start_row; row < rect.end_row; row++) |
| 1050 | set_lineinfo(state, row, FORCE, DWL_OFF, DHL_OFF); |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1051 | if(rect.end_col > rect.start_col) |
| 1052 | erase(state, rect, selective); |
| 1053 | |
| 1054 | rect.start_row = state->pos.row; rect.end_row = state->pos.row + 1; |
| 1055 | rect.end_col = state->pos.col + 1; |
| 1056 | if(rect.end_row > rect.start_row) |
| 1057 | erase(state, rect, selective); |
| 1058 | break; |
| 1059 | |
| 1060 | case 2: |
| 1061 | rect.start_row = 0; rect.end_row = state->rows; |
| 1062 | rect.start_col = 0; rect.end_col = state->cols; |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 1063 | for(int row = rect.start_row; row < rect.end_row; row++) |
| 1064 | set_lineinfo(state, row, FORCE, DWL_OFF, DHL_OFF); |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1065 | erase(state, rect, selective); |
| 1066 | break; |
| 1067 | } |
| 1068 | break; |
| 1069 | |
| 1070 | case 0x4b: // EL - ECMA-48 8.3.41 |
| 1071 | case LEADER('?', 0x4b): // DECSEL - Selective Erase in Line |
| 1072 | selective = (leader_byte == '?'); |
| 1073 | rect.start_row = state->pos.row; |
| 1074 | rect.end_row = state->pos.row + 1; |
| 1075 | |
| 1076 | switch(CSI_ARG(args[0])) { |
| 1077 | case CSI_ARG_MISSING: |
| 1078 | case 0: |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 1079 | rect.start_col = state->pos.col; rect.end_col = THISROWWIDTH(state); break; |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1080 | case 1: |
| 1081 | rect.start_col = 0; rect.end_col = state->pos.col + 1; break; |
| 1082 | case 2: |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 1083 | rect.start_col = 0; rect.end_col = THISROWWIDTH(state); break; |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1084 | default: |
| 1085 | return 0; |
| 1086 | } |
| 1087 | |
| 1088 | if(rect.end_col > rect.start_col) |
| 1089 | erase(state, rect, selective); |
| 1090 | |
| 1091 | break; |
| 1092 | |
| 1093 | case 0x4c: // IL - ECMA-48 8.3.67 |
| 1094 | count = CSI_ARG_COUNT(args[0]); |
| 1095 | |
| 1096 | rect.start_row = state->pos.row; |
| 1097 | rect.end_row = SCROLLREGION_BOTTOM(state); |
| 1098 | rect.start_col = SCROLLREGION_LEFT(state); |
| 1099 | rect.end_col = SCROLLREGION_RIGHT(state); |
| 1100 | |
| 1101 | scroll(state, rect, -count, 0); |
| 1102 | |
| 1103 | break; |
| 1104 | |
| 1105 | case 0x4d: // DL - ECMA-48 8.3.32 |
| 1106 | count = CSI_ARG_COUNT(args[0]); |
| 1107 | |
| 1108 | rect.start_row = state->pos.row; |
| 1109 | rect.end_row = SCROLLREGION_BOTTOM(state); |
| 1110 | rect.start_col = SCROLLREGION_LEFT(state); |
| 1111 | rect.end_col = SCROLLREGION_RIGHT(state); |
| 1112 | |
| 1113 | scroll(state, rect, count, 0); |
| 1114 | |
| 1115 | break; |
| 1116 | |
| 1117 | case 0x50: // DCH - ECMA-48 8.3.26 |
| 1118 | count = CSI_ARG_COUNT(args[0]); |
| 1119 | |
| 1120 | rect.start_row = state->pos.row; |
| 1121 | rect.end_row = state->pos.row + 1; |
| 1122 | rect.start_col = state->pos.col; |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 1123 | if(state->mode.leftrightmargin) |
| 1124 | rect.end_col = SCROLLREGION_RIGHT(state); |
| 1125 | else |
| 1126 | rect.end_col = THISROWWIDTH(state); |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1127 | |
| 1128 | scroll(state, rect, 0, count); |
| 1129 | |
| 1130 | break; |
| 1131 | |
| 1132 | case 0x53: // SU - ECMA-48 8.3.147 |
| 1133 | count = CSI_ARG_COUNT(args[0]); |
| 1134 | |
| 1135 | rect.start_row = state->scrollregion_top; |
| 1136 | rect.end_row = SCROLLREGION_BOTTOM(state); |
| 1137 | rect.start_col = SCROLLREGION_LEFT(state); |
| 1138 | rect.end_col = SCROLLREGION_RIGHT(state); |
| 1139 | |
| 1140 | scroll(state, rect, count, 0); |
| 1141 | |
| 1142 | break; |
| 1143 | |
| 1144 | case 0x54: // SD - ECMA-48 8.3.113 |
| 1145 | count = CSI_ARG_COUNT(args[0]); |
| 1146 | |
| 1147 | rect.start_row = state->scrollregion_top; |
| 1148 | rect.end_row = SCROLLREGION_BOTTOM(state); |
| 1149 | rect.start_col = SCROLLREGION_LEFT(state); |
| 1150 | rect.end_col = SCROLLREGION_RIGHT(state); |
| 1151 | |
| 1152 | scroll(state, rect, -count, 0); |
| 1153 | |
| 1154 | break; |
| 1155 | |
| 1156 | case 0x58: // ECH - ECMA-48 8.3.38 |
| 1157 | count = CSI_ARG_COUNT(args[0]); |
| 1158 | |
| 1159 | rect.start_row = state->pos.row; |
| 1160 | rect.end_row = state->pos.row + 1; |
| 1161 | rect.start_col = state->pos.col; |
| 1162 | rect.end_col = state->pos.col + count; |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 1163 | UBOUND(rect.end_col, THISROWWIDTH(state)); |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1164 | |
| 1165 | erase(state, rect, 0); |
| 1166 | break; |
| 1167 | |
| 1168 | case 0x5a: // CBT - ECMA-48 8.3.7 |
| 1169 | count = CSI_ARG_COUNT(args[0]); |
| 1170 | tab(state, count, -1); |
| 1171 | break; |
| 1172 | |
| 1173 | case 0x60: // HPA - ECMA-48 8.3.57 |
| 1174 | col = CSI_ARG_OR(args[0], 1); |
| 1175 | state->pos.col = col-1; |
| 1176 | state->at_phantom = 0; |
| 1177 | break; |
| 1178 | |
| 1179 | case 0x61: // HPR - ECMA-48 8.3.59 |
| 1180 | count = CSI_ARG_COUNT(args[0]); |
| 1181 | state->pos.col += count; |
| 1182 | state->at_phantom = 0; |
| 1183 | break; |
| 1184 | |
| 1185 | case 0x63: // DA - ECMA-48 8.3.24 |
| 1186 | val = CSI_ARG_OR(args[0], 0); |
| 1187 | if(val == 0) |
| 1188 | // DEC VT100 response |
| 1189 | vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, "?1;2c"); |
| 1190 | break; |
| 1191 | |
| 1192 | case LEADER('>', 0x63): // DEC secondary Device Attributes |
| 1193 | vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, ">%d;%d;%dc", 0, 100, 0); |
| 1194 | break; |
| 1195 | |
| 1196 | case 0x64: // VPA - ECMA-48 8.3.158 |
| 1197 | row = CSI_ARG_OR(args[0], 1); |
| 1198 | state->pos.row = row-1; |
| 1199 | if(state->mode.origin) |
| 1200 | state->pos.row += state->scrollregion_top; |
| 1201 | state->at_phantom = 0; |
| 1202 | break; |
| 1203 | |
| 1204 | case 0x65: // VPR - ECMA-48 8.3.160 |
| 1205 | count = CSI_ARG_COUNT(args[0]); |
| 1206 | state->pos.row += count; |
| 1207 | state->at_phantom = 0; |
| 1208 | break; |
| 1209 | |
| 1210 | case 0x66: // HVP - ECMA-48 8.3.63 |
| 1211 | row = CSI_ARG_OR(args[0], 1); |
| 1212 | col = argcount < 2 || CSI_ARG_IS_MISSING(args[1]) ? 1 : CSI_ARG(args[1]); |
| 1213 | // zero-based |
| 1214 | state->pos.row = row-1; |
| 1215 | state->pos.col = col-1; |
| 1216 | if(state->mode.origin) { |
| 1217 | state->pos.row += state->scrollregion_top; |
| 1218 | state->pos.col += SCROLLREGION_LEFT(state); |
| 1219 | } |
| 1220 | state->at_phantom = 0; |
| 1221 | break; |
| 1222 | |
| 1223 | case 0x67: // TBC - ECMA-48 8.3.154 |
| 1224 | val = CSI_ARG_OR(args[0], 0); |
| 1225 | |
| 1226 | switch(val) { |
| 1227 | case 0: |
| 1228 | clear_col_tabstop(state, state->pos.col); |
| 1229 | break; |
| 1230 | case 3: |
| 1231 | case 5: |
| 1232 | for(col = 0; col < state->cols; col++) |
| 1233 | clear_col_tabstop(state, col); |
| 1234 | break; |
| 1235 | case 1: |
| 1236 | case 2: |
| 1237 | case 4: |
| 1238 | break; |
| 1239 | /* TODO: 1, 2 and 4 aren't meaningful yet without line tab stops */ |
| 1240 | default: |
| 1241 | return 0; |
| 1242 | } |
| 1243 | break; |
| 1244 | |
| 1245 | case 0x68: // SM - ECMA-48 8.3.125 |
| 1246 | if(!CSI_ARG_IS_MISSING(args[0])) |
| 1247 | set_mode(state, CSI_ARG(args[0]), 1); |
| 1248 | break; |
| 1249 | |
| 1250 | case LEADER('?', 0x68): // DEC private mode set |
| 1251 | if(!CSI_ARG_IS_MISSING(args[0])) |
| 1252 | set_dec_mode(state, CSI_ARG(args[0]), 1); |
| 1253 | break; |
| 1254 | |
| 1255 | case 0x6a: // HPB - ECMA-48 8.3.58 |
| 1256 | count = CSI_ARG_COUNT(args[0]); |
| 1257 | state->pos.col -= count; |
| 1258 | state->at_phantom = 0; |
| 1259 | break; |
| 1260 | |
| 1261 | case 0x6b: // VPB - ECMA-48 8.3.159 |
| 1262 | count = CSI_ARG_COUNT(args[0]); |
| 1263 | state->pos.row -= count; |
| 1264 | state->at_phantom = 0; |
| 1265 | break; |
| 1266 | |
| 1267 | case 0x6c: // RM - ECMA-48 8.3.106 |
| 1268 | if(!CSI_ARG_IS_MISSING(args[0])) |
| 1269 | set_mode(state, CSI_ARG(args[0]), 0); |
| 1270 | break; |
| 1271 | |
| 1272 | case LEADER('?', 0x6c): // DEC private mode reset |
| 1273 | if(!CSI_ARG_IS_MISSING(args[0])) |
| 1274 | set_dec_mode(state, CSI_ARG(args[0]), 0); |
| 1275 | break; |
| 1276 | |
| 1277 | case 0x6d: // SGR - ECMA-48 8.3.117 |
| 1278 | vterm_state_setpen(state, args, argcount); |
| 1279 | break; |
| 1280 | |
| 1281 | case 0x6e: // DSR - ECMA-48 8.3.35 |
| 1282 | case LEADER('?', 0x6e): // DECDSR |
| 1283 | val = CSI_ARG_OR(args[0], 0); |
| 1284 | |
| 1285 | { |
| 1286 | char *qmark = (leader_byte == '?') ? "?" : ""; |
| 1287 | |
| 1288 | switch(val) { |
| 1289 | case 0: case 1: case 2: case 3: case 4: |
| 1290 | // ignore - these are replies |
| 1291 | break; |
| 1292 | case 5: |
| 1293 | vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, "%s0n", qmark); |
| 1294 | break; |
| 1295 | case 6: // CPR - cursor position report |
| 1296 | vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, "%s%d;%dR", qmark, state->pos.row + 1, state->pos.col + 1); |
| 1297 | break; |
| 1298 | } |
| 1299 | } |
| 1300 | break; |
| 1301 | |
| 1302 | |
| 1303 | case LEADER('!', 0x70): // DECSTR - DEC soft terminal reset |
| 1304 | vterm_state_reset(state, 0); |
| 1305 | break; |
| 1306 | |
| 1307 | case LEADER('?', INTERMED('$', 0x70)): |
| 1308 | request_dec_mode(state, CSI_ARG(args[0])); |
| 1309 | break; |
| 1310 | |
| 1311 | case INTERMED(' ', 0x71): // DECSCUSR - DEC set cursor shape |
| 1312 | val = CSI_ARG_OR(args[0], 1); |
| 1313 | |
| 1314 | switch(val) { |
| 1315 | case 0: case 1: |
| 1316 | settermprop_bool(state, VTERM_PROP_CURSORBLINK, 1); |
| 1317 | settermprop_int (state, VTERM_PROP_CURSORSHAPE, VTERM_PROP_CURSORSHAPE_BLOCK); |
| 1318 | break; |
| 1319 | case 2: |
| 1320 | settermprop_bool(state, VTERM_PROP_CURSORBLINK, 0); |
| 1321 | settermprop_int (state, VTERM_PROP_CURSORSHAPE, VTERM_PROP_CURSORSHAPE_BLOCK); |
| 1322 | break; |
| 1323 | case 3: |
| 1324 | settermprop_bool(state, VTERM_PROP_CURSORBLINK, 1); |
| 1325 | settermprop_int (state, VTERM_PROP_CURSORSHAPE, VTERM_PROP_CURSORSHAPE_UNDERLINE); |
| 1326 | break; |
| 1327 | case 4: |
| 1328 | settermprop_bool(state, VTERM_PROP_CURSORBLINK, 0); |
| 1329 | settermprop_int (state, VTERM_PROP_CURSORSHAPE, VTERM_PROP_CURSORSHAPE_UNDERLINE); |
| 1330 | break; |
| 1331 | case 5: |
| 1332 | settermprop_bool(state, VTERM_PROP_CURSORBLINK, 1); |
| 1333 | settermprop_int (state, VTERM_PROP_CURSORSHAPE, VTERM_PROP_CURSORSHAPE_BAR_LEFT); |
| 1334 | break; |
| 1335 | case 6: |
| 1336 | settermprop_bool(state, VTERM_PROP_CURSORBLINK, 0); |
| 1337 | settermprop_int (state, VTERM_PROP_CURSORSHAPE, VTERM_PROP_CURSORSHAPE_BAR_LEFT); |
| 1338 | break; |
| 1339 | } |
| 1340 | |
| 1341 | break; |
| 1342 | |
| 1343 | case INTERMED('"', 0x71): // DECSCA - DEC select character protection attribute |
| 1344 | val = CSI_ARG_OR(args[0], 0); |
| 1345 | |
| 1346 | switch(val) { |
| 1347 | case 0: case 2: |
| 1348 | state->protected_cell = 0; |
| 1349 | break; |
| 1350 | case 1: |
| 1351 | state->protected_cell = 1; |
| 1352 | break; |
| 1353 | } |
| 1354 | |
| 1355 | break; |
| 1356 | |
| 1357 | case 0x72: // DECSTBM - DEC custom |
| 1358 | state->scrollregion_top = CSI_ARG_OR(args[0], 1) - 1; |
| 1359 | state->scrollregion_bottom = argcount < 2 || CSI_ARG_IS_MISSING(args[1]) ? -1 : CSI_ARG(args[1]); |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 1360 | LBOUND(state->scrollregion_top, -1); |
| 1361 | UBOUND(state->scrollregion_top, state->rows); |
| 1362 | LBOUND(state->scrollregion_bottom, -1); |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1363 | if(state->scrollregion_top == 0 && state->scrollregion_bottom == state->rows) |
| 1364 | state->scrollregion_bottom = -1; |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 1365 | else |
| 1366 | UBOUND(state->scrollregion_bottom, state->rows); |
| 1367 | |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1368 | break; |
| 1369 | |
| 1370 | case 0x73: // DECSLRM - DEC custom |
| 1371 | // Always allow setting these margins, just they won't take effect without DECVSSM |
| 1372 | state->scrollregion_left = CSI_ARG_OR(args[0], 1) - 1; |
| 1373 | state->scrollregion_right = argcount < 2 || CSI_ARG_IS_MISSING(args[1]) ? -1 : CSI_ARG(args[1]); |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 1374 | LBOUND(state->scrollregion_left, -1); |
| 1375 | UBOUND(state->scrollregion_left, state->cols); |
| 1376 | LBOUND(state->scrollregion_right, -1); |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1377 | if(state->scrollregion_left == 0 && state->scrollregion_right == state->cols) |
| 1378 | state->scrollregion_right = -1; |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 1379 | else |
| 1380 | UBOUND(state->scrollregion_right, state->cols); |
| 1381 | |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1382 | break; |
| 1383 | |
| 1384 | case INTERMED('\'', 0x7D): // DECIC |
| 1385 | count = CSI_ARG_COUNT(args[0]); |
| 1386 | |
| 1387 | rect.start_row = state->scrollregion_top; |
| 1388 | rect.end_row = SCROLLREGION_BOTTOM(state); |
| 1389 | rect.start_col = state->pos.col; |
| 1390 | rect.end_col = SCROLLREGION_RIGHT(state); |
| 1391 | |
| 1392 | scroll(state, rect, 0, -count); |
| 1393 | |
| 1394 | break; |
| 1395 | |
| 1396 | case INTERMED('\'', 0x7E): // DECDC |
| 1397 | count = CSI_ARG_COUNT(args[0]); |
| 1398 | |
| 1399 | rect.start_row = state->scrollregion_top; |
| 1400 | rect.end_row = SCROLLREGION_BOTTOM(state); |
| 1401 | rect.start_col = state->pos.col; |
| 1402 | rect.end_col = SCROLLREGION_RIGHT(state); |
| 1403 | |
| 1404 | scroll(state, rect, 0, count); |
| 1405 | |
| 1406 | break; |
| 1407 | |
| 1408 | default: |
| 1409 | return 0; |
| 1410 | } |
| 1411 | |
| 1412 | if(state->mode.origin) { |
| 1413 | LBOUND(state->pos.row, state->scrollregion_top); |
| 1414 | UBOUND(state->pos.row, state->scrollregion_bottom-1); |
| 1415 | LBOUND(state->pos.col, SCROLLREGION_LEFT(state)); |
| 1416 | UBOUND(state->pos.col, SCROLLREGION_RIGHT(state)-1); |
| 1417 | } |
| 1418 | else { |
| 1419 | LBOUND(state->pos.row, 0); |
| 1420 | UBOUND(state->pos.row, state->rows-1); |
| 1421 | LBOUND(state->pos.col, 0); |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 1422 | UBOUND(state->pos.col, THISROWWIDTH(state)-1); |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1423 | } |
| 1424 | |
| 1425 | updatecursor(state, &oldpos, 1); |
| 1426 | |
| 1427 | return 1; |
| 1428 | } |
| 1429 | |
| 1430 | static int on_osc(const char *command, size_t cmdlen, void *user) |
| 1431 | { |
| 1432 | VTermState *state = user; |
| 1433 | |
| 1434 | if(cmdlen < 2) |
| 1435 | return 0; |
| 1436 | |
| 1437 | if(strneq(command, "0;", 2)) { |
| 1438 | settermprop_string(state, VTERM_PROP_ICONNAME, command + 2, cmdlen - 2); |
| 1439 | settermprop_string(state, VTERM_PROP_TITLE, command + 2, cmdlen - 2); |
| 1440 | return 1; |
| 1441 | } |
| 1442 | else if(strneq(command, "1;", 2)) { |
| 1443 | settermprop_string(state, VTERM_PROP_ICONNAME, command + 2, cmdlen - 2); |
| 1444 | return 1; |
| 1445 | } |
| 1446 | else if(strneq(command, "2;", 2)) { |
| 1447 | settermprop_string(state, VTERM_PROP_TITLE, command + 2, cmdlen - 2); |
| 1448 | return 1; |
| 1449 | } |
| 1450 | |
| 1451 | return 0; |
| 1452 | } |
| 1453 | |
| 1454 | static void request_status_string(VTermState *state, const char *command, size_t cmdlen) |
| 1455 | { |
| 1456 | if(cmdlen == 1) |
| 1457 | switch(command[0]) { |
Jeff Sharkey | 73fbfc3 | 2013-04-23 10:34:06 -0700 | [diff] [blame] | 1458 | case 'm': // Query SGR |
| 1459 | { |
| 1460 | long args[20]; |
| 1461 | int argc = vterm_state_getpen(state, args, sizeof(args)/sizeof(args[0])); |
| 1462 | vterm_push_output_sprintf_ctrl(state->vt, C1_DCS, "1$r"); |
| 1463 | for(int argi = 0; argi < argc; argi++) |
| 1464 | vterm_push_output_sprintf(state->vt, |
| 1465 | argi == argc - 1 ? "%d" : |
| 1466 | CSI_ARG_HAS_MORE(args[argi]) ? "%d:" : |
| 1467 | "%d;", |
| 1468 | CSI_ARG(args[argi])); |
| 1469 | vterm_push_output_sprintf(state->vt, "m"); |
| 1470 | vterm_push_output_sprintf_ctrl(state->vt, C1_ST, ""); |
| 1471 | } |
| 1472 | return; |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1473 | case 'r': // Query DECSTBM |
Jeff Sharkey | 73fbfc3 | 2013-04-23 10:34:06 -0700 | [diff] [blame] | 1474 | vterm_push_output_sprintf_dcs(state->vt, "1$r%d;%dr", state->scrollregion_top+1, SCROLLREGION_BOTTOM(state)); |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1475 | return; |
| 1476 | case 's': // Query DECSLRM |
Jeff Sharkey | 73fbfc3 | 2013-04-23 10:34:06 -0700 | [diff] [blame] | 1477 | vterm_push_output_sprintf_dcs(state->vt, "1$r%d;%ds", SCROLLREGION_LEFT(state)+1, SCROLLREGION_RIGHT(state)); |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1478 | return; |
| 1479 | } |
| 1480 | |
| 1481 | if(cmdlen == 2) { |
| 1482 | if(strneq(command, " q", 2)) { |
| 1483 | int reply; |
| 1484 | switch(state->mode.cursor_shape) { |
| 1485 | case VTERM_PROP_CURSORSHAPE_BLOCK: reply = 2; break; |
| 1486 | case VTERM_PROP_CURSORSHAPE_UNDERLINE: reply = 4; break; |
| 1487 | case VTERM_PROP_CURSORSHAPE_BAR_LEFT: reply = 6; break; |
| 1488 | } |
| 1489 | if(state->mode.cursor_blink) |
| 1490 | reply--; |
Jeff Sharkey | 73fbfc3 | 2013-04-23 10:34:06 -0700 | [diff] [blame] | 1491 | vterm_push_output_sprintf_dcs(state->vt, "1$r%d q", reply); |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1492 | return; |
| 1493 | } |
| 1494 | else if(strneq(command, "\"q", 2)) { |
Jeff Sharkey | 73fbfc3 | 2013-04-23 10:34:06 -0700 | [diff] [blame] | 1495 | vterm_push_output_sprintf_dcs(state->vt, "1$r%d\"q", state->protected_cell ? 1 : 2); |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1496 | return; |
| 1497 | } |
| 1498 | } |
| 1499 | |
Jeff Sharkey | 73fbfc3 | 2013-04-23 10:34:06 -0700 | [diff] [blame] | 1500 | vterm_push_output_sprintf_dcs(state->vt, "0$r%.s", (int)cmdlen, command); |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1501 | } |
| 1502 | |
| 1503 | static int on_dcs(const char *command, size_t cmdlen, void *user) |
| 1504 | { |
| 1505 | VTermState *state = user; |
| 1506 | |
| 1507 | if(cmdlen >= 2 && strneq(command, "$q", 2)) { |
| 1508 | request_status_string(state, command+2, cmdlen-2); |
| 1509 | return 1; |
| 1510 | } |
| 1511 | |
| 1512 | return 0; |
| 1513 | } |
| 1514 | |
| 1515 | static int on_resize(int rows, int cols, void *user) |
| 1516 | { |
| 1517 | VTermState *state = user; |
| 1518 | VTermPos oldpos = state->pos; |
| 1519 | |
| 1520 | if(cols != state->cols) { |
| 1521 | unsigned char *newtabstops = vterm_allocator_malloc(state->vt, (cols + 7) / 8); |
| 1522 | |
| 1523 | /* TODO: This can all be done much more efficiently bytewise */ |
| 1524 | int col; |
| 1525 | for(col = 0; col < state->cols && col < cols; col++) { |
| 1526 | unsigned char mask = 1 << (col & 7); |
| 1527 | if(state->tabstops[col >> 3] & mask) |
| 1528 | newtabstops[col >> 3] |= mask; |
| 1529 | else |
| 1530 | newtabstops[col >> 3] &= ~mask; |
| 1531 | } |
| 1532 | |
| 1533 | for( ; col < cols; col++) { |
| 1534 | unsigned char mask = 1 << (col & 7); |
| 1535 | if(col % 8 == 0) |
| 1536 | newtabstops[col >> 3] |= mask; |
| 1537 | else |
| 1538 | newtabstops[col >> 3] &= ~mask; |
| 1539 | } |
| 1540 | |
| 1541 | vterm_allocator_free(state->vt, state->tabstops); |
| 1542 | state->tabstops = newtabstops; |
| 1543 | } |
| 1544 | |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 1545 | if(rows != state->rows) { |
| 1546 | VTermLineInfo *newlineinfo = vterm_allocator_malloc(state->vt, rows * sizeof(VTermLineInfo)); |
| 1547 | |
| 1548 | int row; |
| 1549 | for(row = 0; row < state->rows && row < rows; row++) { |
| 1550 | newlineinfo[row] = state->lineinfo[row]; |
| 1551 | } |
| 1552 | |
| 1553 | for( ; row < rows; row++) { |
| 1554 | newlineinfo[row] = (VTermLineInfo){ |
| 1555 | .doublewidth = 0, |
| 1556 | }; |
| 1557 | } |
| 1558 | |
| 1559 | vterm_allocator_free(state->vt, state->lineinfo); |
| 1560 | state->lineinfo = newlineinfo; |
| 1561 | } |
| 1562 | |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1563 | state->rows = rows; |
| 1564 | state->cols = cols; |
| 1565 | |
Jeff Sharkey | 73fbfc3 | 2013-04-23 10:34:06 -0700 | [diff] [blame] | 1566 | VTermPos delta = { 0, 0 }; |
| 1567 | |
| 1568 | if(state->callbacks && state->callbacks->resize) |
| 1569 | (*state->callbacks->resize)(rows, cols, &delta, state->cbdata); |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1570 | |
| 1571 | if(state->at_phantom && state->pos.col < cols-1) { |
| 1572 | state->at_phantom = 0; |
| 1573 | state->pos.col++; |
| 1574 | } |
| 1575 | |
Jeff Sharkey | 73fbfc3 | 2013-04-23 10:34:06 -0700 | [diff] [blame] | 1576 | state->pos.row += delta.row; |
| 1577 | state->pos.col += delta.col; |
| 1578 | |
| 1579 | if(state->pos.row >= rows) |
| 1580 | state->pos.row = rows - 1; |
| 1581 | if(state->pos.col >= cols) |
| 1582 | state->pos.col = cols - 1; |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1583 | |
| 1584 | updatecursor(state, &oldpos, 1); |
| 1585 | |
| 1586 | return 1; |
| 1587 | } |
| 1588 | |
| 1589 | static const VTermParserCallbacks parser_callbacks = { |
| 1590 | .text = on_text, |
| 1591 | .control = on_control, |
| 1592 | .escape = on_escape, |
| 1593 | .csi = on_csi, |
| 1594 | .osc = on_osc, |
| 1595 | .dcs = on_dcs, |
| 1596 | .resize = on_resize, |
| 1597 | }; |
| 1598 | |
| 1599 | VTermState *vterm_obtain_state(VTerm *vt) |
| 1600 | { |
| 1601 | if(vt->state) |
| 1602 | return vt->state; |
| 1603 | |
| 1604 | VTermState *state = vterm_state_new(vt); |
| 1605 | vt->state = state; |
| 1606 | |
| 1607 | state->combine_chars_size = 16; |
| 1608 | state->combine_chars = vterm_allocator_malloc(state->vt, state->combine_chars_size * sizeof(state->combine_chars[0])); |
| 1609 | |
| 1610 | state->tabstops = vterm_allocator_malloc(state->vt, (state->cols + 7) / 8); |
| 1611 | |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 1612 | state->lineinfo = vterm_allocator_malloc(state->vt, state->rows * sizeof(VTermLineInfo)); |
| 1613 | |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1614 | state->encoding_utf8.enc = vterm_lookup_encoding(ENC_UTF8, 'u'); |
| 1615 | if(*state->encoding_utf8.enc->init) |
| 1616 | (*state->encoding_utf8.enc->init)(state->encoding_utf8.enc, state->encoding_utf8.data); |
| 1617 | |
| 1618 | vterm_set_parser_callbacks(vt, &parser_callbacks, state); |
| 1619 | |
| 1620 | return state; |
| 1621 | } |
| 1622 | |
| 1623 | void vterm_state_reset(VTermState *state, int hard) |
| 1624 | { |
| 1625 | state->scrollregion_top = 0; |
| 1626 | state->scrollregion_bottom = -1; |
| 1627 | state->scrollregion_left = 0; |
| 1628 | state->scrollregion_right = -1; |
| 1629 | |
| 1630 | state->mode.keypad = 0; |
| 1631 | state->mode.cursor = 0; |
| 1632 | state->mode.autowrap = 1; |
| 1633 | state->mode.insert = 0; |
| 1634 | state->mode.newline = 0; |
| 1635 | state->mode.alt_screen = 0; |
| 1636 | state->mode.origin = 0; |
| 1637 | state->mode.leftrightmargin = 0; |
| 1638 | |
| 1639 | state->vt->mode.ctrl8bit = 0; |
| 1640 | |
| 1641 | for(int col = 0; col < state->cols; col++) |
| 1642 | if(col % 8 == 0) |
| 1643 | set_col_tabstop(state, col); |
| 1644 | else |
| 1645 | clear_col_tabstop(state, col); |
| 1646 | |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 1647 | for(int row = 0; row < state->rows; row++) |
| 1648 | set_lineinfo(state, row, FORCE, DWL_OFF, DHL_OFF); |
| 1649 | |
Jeff Sharkey | 5b78a3a | 2013-02-19 17:28:10 -0800 | [diff] [blame] | 1650 | if(state->callbacks && state->callbacks->initpen) |
| 1651 | (*state->callbacks->initpen)(state->cbdata); |
| 1652 | |
| 1653 | vterm_state_resetpen(state); |
| 1654 | |
| 1655 | VTermEncoding *default_enc = state->vt->mode.utf8 ? |
| 1656 | vterm_lookup_encoding(ENC_UTF8, 'u') : |
| 1657 | vterm_lookup_encoding(ENC_SINGLE_94, 'B'); |
| 1658 | |
| 1659 | for(int i = 0; i < 4; i++) { |
| 1660 | state->encoding[i].enc = default_enc; |
| 1661 | if(default_enc->init) |
| 1662 | (*default_enc->init)(default_enc, state->encoding[i].data); |
| 1663 | } |
| 1664 | |
| 1665 | state->gl_set = 0; |
| 1666 | state->gr_set = 1; |
| 1667 | state->gsingle_set = 0; |
| 1668 | |
| 1669 | state->protected_cell = 0; |
| 1670 | |
| 1671 | // Initialise the props |
| 1672 | settermprop_bool(state, VTERM_PROP_CURSORVISIBLE, 1); |
| 1673 | settermprop_bool(state, VTERM_PROP_CURSORBLINK, 1); |
| 1674 | settermprop_int (state, VTERM_PROP_CURSORSHAPE, VTERM_PROP_CURSORSHAPE_BLOCK); |
| 1675 | |
| 1676 | if(hard) { |
| 1677 | state->pos.row = 0; |
| 1678 | state->pos.col = 0; |
| 1679 | state->at_phantom = 0; |
| 1680 | |
| 1681 | VTermRect rect = { 0, state->rows, 0, state->cols }; |
| 1682 | erase(state, rect, 0); |
| 1683 | } |
| 1684 | } |
| 1685 | |
| 1686 | void vterm_state_get_cursorpos(const VTermState *state, VTermPos *cursorpos) |
| 1687 | { |
| 1688 | *cursorpos = state->pos; |
| 1689 | } |
| 1690 | |
| 1691 | void vterm_state_set_callbacks(VTermState *state, const VTermStateCallbacks *callbacks, void *user) |
| 1692 | { |
| 1693 | if(callbacks) { |
| 1694 | state->callbacks = callbacks; |
| 1695 | state->cbdata = user; |
| 1696 | |
| 1697 | if(state->callbacks && state->callbacks->initpen) |
| 1698 | (*state->callbacks->initpen)(state->cbdata); |
| 1699 | } |
| 1700 | else { |
| 1701 | state->callbacks = NULL; |
| 1702 | state->cbdata = NULL; |
| 1703 | } |
| 1704 | } |
| 1705 | |
| 1706 | int vterm_state_set_termprop(VTermState *state, VTermProp prop, VTermValue *val) |
| 1707 | { |
| 1708 | /* Only store the new value of the property if usercode said it was happy. |
| 1709 | * This is especially important for altscreen switching */ |
| 1710 | if(state->callbacks && state->callbacks->settermprop) |
| 1711 | if(!(*state->callbacks->settermprop)(prop, val, state->cbdata)) |
| 1712 | return 0; |
| 1713 | |
| 1714 | switch(prop) { |
| 1715 | case VTERM_PROP_TITLE: |
| 1716 | case VTERM_PROP_ICONNAME: |
| 1717 | // we don't store these, just transparently pass through |
| 1718 | return 1; |
| 1719 | case VTERM_PROP_CURSORVISIBLE: |
| 1720 | state->mode.cursor_visible = val->boolean; |
| 1721 | return 1; |
| 1722 | case VTERM_PROP_CURSORBLINK: |
| 1723 | state->mode.cursor_blink = val->boolean; |
| 1724 | return 1; |
| 1725 | case VTERM_PROP_CURSORSHAPE: |
| 1726 | state->mode.cursor_shape = val->number; |
| 1727 | return 1; |
| 1728 | case VTERM_PROP_REVERSE: |
| 1729 | state->mode.screen = val->boolean; |
| 1730 | return 1; |
| 1731 | case VTERM_PROP_ALTSCREEN: |
| 1732 | state->mode.alt_screen = val->boolean; |
| 1733 | if(state->mode.alt_screen) { |
| 1734 | VTermRect rect = { |
| 1735 | .start_row = 0, |
| 1736 | .start_col = 0, |
| 1737 | .end_row = state->rows, |
| 1738 | .end_col = state->cols, |
| 1739 | }; |
| 1740 | erase(state, rect, 0); |
| 1741 | } |
| 1742 | return 1; |
| 1743 | } |
| 1744 | |
| 1745 | return 0; |
| 1746 | } |
Elliott Hughes | 6d78f36 | 2014-12-04 19:52:44 -0800 | [diff] [blame^] | 1747 | |
| 1748 | const VTermLineInfo *vterm_state_get_lineinfo(const VTermState *state, int row) |
| 1749 | { |
| 1750 | return state->lineinfo + row; |
| 1751 | } |