1 /* vi:set ts=8 sts=4 sw=4 noet: 2 * 3 * VIM - Vi IMproved by Bram Moolenaar 4 * 5 * Do ":help uganda" in Vim to read copying and usage conditions. 6 * Do ":help credits" in Vim to see a list of people who contributed. 7 * See README.txt for an overview of the Vim source code. 8 */ 9 /* 10 * normal.c: Contains the main routine for processing characters in command 11 * mode. Communicates closely with the code in ops.c to handle 12 * the operators. 13 */ 14 15 #include "vim.h" 16 17 static int VIsual_mode_orig = NUL; // saved Visual mode 18 19 #ifdef FEAT_EVAL 20 static void set_vcount_ca(cmdarg_T *cap, int *set_prevcount); 21 #endif 22 static int nv_compare(const void *s1, const void *s2); 23 static void unshift_special(cmdarg_T *cap); 24 #ifdef FEAT_CMDL_INFO 25 static void del_from_showcmd(int); 26 #endif 27 28 /* 29 * nv_*(): functions called to handle Normal and Visual mode commands. 30 * n_*(): functions called to handle Normal mode commands. 31 * v_*(): functions called to handle Visual mode commands. 32 */ 33 static void nv_ignore(cmdarg_T *cap); 34 static void nv_nop(cmdarg_T *cap); 35 static void nv_error(cmdarg_T *cap); 36 static void nv_help(cmdarg_T *cap); 37 static void nv_addsub(cmdarg_T *cap); 38 static void nv_page(cmdarg_T *cap); 39 static void nv_zet(cmdarg_T *cap); 40 #ifdef FEAT_GUI 41 static void nv_ver_scrollbar(cmdarg_T *cap); 42 static void nv_hor_scrollbar(cmdarg_T *cap); 43 #endif 44 #ifdef FEAT_GUI_TABLINE 45 static void nv_tabline(cmdarg_T *cap); 46 static void nv_tabmenu(cmdarg_T *cap); 47 #endif 48 static void nv_exmode(cmdarg_T *cap); 49 static void nv_colon(cmdarg_T *cap); 50 static void nv_ctrlg(cmdarg_T *cap); 51 static void nv_ctrlh(cmdarg_T *cap); 52 static void nv_clear(cmdarg_T *cap); 53 static void nv_ctrlo(cmdarg_T *cap); 54 static void nv_hat(cmdarg_T *cap); 55 static void nv_Zet(cmdarg_T *cap); 56 static void nv_ident(cmdarg_T *cap); 57 static void nv_tagpop(cmdarg_T *cap); 58 static void nv_scroll(cmdarg_T *cap); 59 static void nv_right(cmdarg_T *cap); 60 static void nv_left(cmdarg_T *cap); 61 static void nv_up(cmdarg_T *cap); 62 static void nv_down(cmdarg_T *cap); 63 static void nv_end(cmdarg_T *cap); 64 static void nv_dollar(cmdarg_T *cap); 65 static void nv_search(cmdarg_T *cap); 66 static void nv_next(cmdarg_T *cap); 67 static int normal_search(cmdarg_T *cap, int dir, char_u *pat, int opt, int *wrapped); 68 static void nv_csearch(cmdarg_T *cap); 69 static void nv_brackets(cmdarg_T *cap); 70 static void nv_percent(cmdarg_T *cap); 71 static void nv_brace(cmdarg_T *cap); 72 static void nv_mark(cmdarg_T *cap); 73 static void nv_findpar(cmdarg_T *cap); 74 static void nv_undo(cmdarg_T *cap); 75 static void nv_kundo(cmdarg_T *cap); 76 static void nv_Replace(cmdarg_T *cap); 77 static void nv_replace(cmdarg_T *cap); 78 static void nv_cursormark(cmdarg_T *cap, int flag, pos_T *pos); 79 static void v_visop(cmdarg_T *cap); 80 static void nv_subst(cmdarg_T *cap); 81 static void nv_abbrev(cmdarg_T *cap); 82 static void nv_optrans(cmdarg_T *cap); 83 static void nv_gomark(cmdarg_T *cap); 84 static void nv_pcmark(cmdarg_T *cap); 85 static void nv_regname(cmdarg_T *cap); 86 static void nv_visual(cmdarg_T *cap); 87 static void n_start_visual_mode(int c); 88 static void nv_window(cmdarg_T *cap); 89 static void nv_suspend(cmdarg_T *cap); 90 static void nv_g_cmd(cmdarg_T *cap); 91 static void nv_dot(cmdarg_T *cap); 92 static void nv_redo(cmdarg_T *cap); 93 static void nv_Undo(cmdarg_T *cap); 94 static void nv_tilde(cmdarg_T *cap); 95 static void nv_operator(cmdarg_T *cap); 96 #ifdef FEAT_EVAL 97 static void set_op_var(int optype); 98 #endif 99 static void nv_lineop(cmdarg_T *cap); 100 static void nv_home(cmdarg_T *cap); 101 static void nv_pipe(cmdarg_T *cap); 102 static void nv_bck_word(cmdarg_T *cap); 103 static void nv_wordcmd(cmdarg_T *cap); 104 static void nv_beginline(cmdarg_T *cap); 105 static void adjust_cursor(oparg_T *oap); 106 static void adjust_for_sel(cmdarg_T *cap); 107 static void nv_select(cmdarg_T *cap); 108 static void nv_goto(cmdarg_T *cap); 109 static void nv_normal(cmdarg_T *cap); 110 static void nv_esc(cmdarg_T *oap); 111 static void nv_edit(cmdarg_T *cap); 112 static void invoke_edit(cmdarg_T *cap, int repl, int cmd, int startln); 113 #ifdef FEAT_TEXTOBJ 114 static void nv_object(cmdarg_T *cap); 115 #endif 116 static void nv_record(cmdarg_T *cap); 117 static void nv_at(cmdarg_T *cap); 118 static void nv_halfpage(cmdarg_T *cap); 119 static void nv_join(cmdarg_T *cap); 120 static void nv_put(cmdarg_T *cap); 121 static void nv_put_opt(cmdarg_T *cap, int fix_indent); 122 static void nv_open(cmdarg_T *cap); 123 #ifdef FEAT_NETBEANS_INTG 124 static void nv_nbcmd(cmdarg_T *cap); 125 #endif 126 #ifdef FEAT_DND 127 static void nv_drop(cmdarg_T *cap); 128 #endif 129 static void nv_cursorhold(cmdarg_T *cap); 130 131 static char *e_noident = N_("E349: No identifier under cursor"); 132 133 /* 134 * Function to be called for a Normal or Visual mode command. 135 * The argument is a cmdarg_T. 136 */ 137 typedef void (*nv_func_T)(cmdarg_T *cap); 138 139 // Values for cmd_flags. 140 #define NV_NCH 0x01 // may need to get a second char 141 #define NV_NCH_NOP (0x02|NV_NCH) // get second char when no operator pending 142 #define NV_NCH_ALW (0x04|NV_NCH) // always get a second char 143 #define NV_LANG 0x08 // second char needs language adjustment 144 145 #define NV_SS 0x10 // may start selection 146 #define NV_SSS 0x20 // may start selection with shift modifier 147 #define NV_STS 0x40 // may stop selection without shift modif. 148 #define NV_RL 0x80 // 'rightleft' modifies command 149 #define NV_KEEPREG 0x100 // don't clear regname 150 #define NV_NCW 0x200 // not allowed in command-line window 151 152 /* 153 * Generally speaking, every Normal mode command should either clear any 154 * pending operator (with *clearop*()), or set the motion type variable 155 * oap->motion_type. 156 * 157 * When a cursor motion command is made, it is marked as being a character or 158 * line oriented motion. Then, if an operator is in effect, the operation 159 * becomes character or line oriented accordingly. 160 */ 161 162 /* 163 * This table contains one entry for every Normal or Visual mode command. 164 * The order doesn't matter, init_normal_cmds() will create a sorted index. 165 * It is faster when all keys from zero to '~' are present. 166 */ 167 static const struct nv_cmd 168 { 169 int cmd_char; // (first) command character 170 nv_func_T cmd_func; // function for this command 171 short_u cmd_flags; // NV_ flags 172 short cmd_arg; // value for ca.arg 173 } nv_cmds[] = 174 { 175 {NUL, nv_error, 0, 0}, 176 {Ctrl_A, nv_addsub, 0, 0}, 177 {Ctrl_B, nv_page, NV_STS, BACKWARD}, 178 {Ctrl_C, nv_esc, 0, TRUE}, 179 {Ctrl_D, nv_halfpage, 0, 0}, 180 {Ctrl_E, nv_scroll_line, 0, TRUE}, 181 {Ctrl_F, nv_page, NV_STS, FORWARD}, 182 {Ctrl_G, nv_ctrlg, 0, 0}, 183 {Ctrl_H, nv_ctrlh, 0, 0}, 184 {Ctrl_I, nv_pcmark, 0, 0}, 185 {NL, nv_down, 0, FALSE}, 186 {Ctrl_K, nv_error, 0, 0}, 187 {Ctrl_L, nv_clear, 0, 0}, 188 {CAR, nv_down, 0, TRUE}, 189 {Ctrl_N, nv_down, NV_STS, FALSE}, 190 {Ctrl_O, nv_ctrlo, 0, 0}, 191 {Ctrl_P, nv_up, NV_STS, FALSE}, 192 {Ctrl_Q, nv_visual, 0, FALSE}, 193 {Ctrl_R, nv_redo, 0, 0}, 194 {Ctrl_S, nv_ignore, 0, 0}, 195 {Ctrl_T, nv_tagpop, NV_NCW, 0}, 196 {Ctrl_U, nv_halfpage, 0, 0}, 197 {Ctrl_V, nv_visual, 0, FALSE}, 198 {'V', nv_visual, 0, FALSE}, 199 {'v', nv_visual, 0, FALSE}, 200 {Ctrl_W, nv_window, 0, 0}, 201 {Ctrl_X, nv_addsub, 0, 0}, 202 {Ctrl_Y, nv_scroll_line, 0, FALSE}, 203 {Ctrl_Z, nv_suspend, 0, 0}, 204 {ESC, nv_esc, 0, FALSE}, 205 {Ctrl_BSL, nv_normal, NV_NCH_ALW, 0}, 206 {Ctrl_RSB, nv_ident, NV_NCW, 0}, 207 {Ctrl_HAT, nv_hat, NV_NCW, 0}, 208 {Ctrl__, nv_error, 0, 0}, 209 {' ', nv_right, 0, 0}, 210 {'!', nv_operator, 0, 0}, 211 {'"', nv_regname, NV_NCH_NOP|NV_KEEPREG, 0}, 212 {'#', nv_ident, 0, 0}, 213 {'$', nv_dollar, 0, 0}, 214 {'%', nv_percent, 0, 0}, 215 {'&', nv_optrans, 0, 0}, 216 {'\'', nv_gomark, NV_NCH_ALW, TRUE}, 217 {'(', nv_brace, 0, BACKWARD}, 218 {')', nv_brace, 0, FORWARD}, 219 {'*', nv_ident, 0, 0}, 220 {'+', nv_down, 0, TRUE}, 221 {',', nv_csearch, 0, TRUE}, 222 {'-', nv_up, 0, TRUE}, 223 {'.', nv_dot, NV_KEEPREG, 0}, 224 {'/', nv_search, 0, FALSE}, 225 {'0', nv_beginline, 0, 0}, 226 {'1', nv_ignore, 0, 0}, 227 {'2', nv_ignore, 0, 0}, 228 {'3', nv_ignore, 0, 0}, 229 {'4', nv_ignore, 0, 0}, 230 {'5', nv_ignore, 0, 0}, 231 {'6', nv_ignore, 0, 0}, 232 {'7', nv_ignore, 0, 0}, 233 {'8', nv_ignore, 0, 0}, 234 {'9', nv_ignore, 0, 0}, 235 {':', nv_colon, 0, 0}, 236 {';', nv_csearch, 0, FALSE}, 237 {'<', nv_operator, NV_RL, 0}, 238 {'=', nv_operator, 0, 0}, 239 {'>', nv_operator, NV_RL, 0}, 240 {'?', nv_search, 0, FALSE}, 241 {'@', nv_at, NV_NCH_NOP, FALSE}, 242 {'A', nv_edit, 0, 0}, 243 {'B', nv_bck_word, 0, 1}, 244 {'C', nv_abbrev, NV_KEEPREG, 0}, 245 {'D', nv_abbrev, NV_KEEPREG, 0}, 246 {'E', nv_wordcmd, 0, TRUE}, 247 {'F', nv_csearch, NV_NCH_ALW|NV_LANG, BACKWARD}, 248 {'G', nv_goto, 0, TRUE}, 249 {'H', nv_scroll, 0, 0}, 250 {'I', nv_edit, 0, 0}, 251 {'J', nv_join, 0, 0}, 252 {'K', nv_ident, 0, 0}, 253 {'L', nv_scroll, 0, 0}, 254 {'M', nv_scroll, 0, 0}, 255 {'N', nv_next, 0, SEARCH_REV}, 256 {'O', nv_open, 0, 0}, 257 {'P', nv_put, 0, 0}, 258 {'Q', nv_exmode, NV_NCW, 0}, 259 {'R', nv_Replace, 0, FALSE}, 260 {'S', nv_subst, NV_KEEPREG, 0}, 261 {'T', nv_csearch, NV_NCH_ALW|NV_LANG, BACKWARD}, 262 {'U', nv_Undo, 0, 0}, 263 {'W', nv_wordcmd, 0, TRUE}, 264 {'X', nv_abbrev, NV_KEEPREG, 0}, 265 {'Y', nv_abbrev, NV_KEEPREG, 0}, 266 {'Z', nv_Zet, NV_NCH_NOP|NV_NCW, 0}, 267 {'[', nv_brackets, NV_NCH_ALW, BACKWARD}, 268 {'\\', nv_error, 0, 0}, 269 {']', nv_brackets, NV_NCH_ALW, FORWARD}, 270 {'^', nv_beginline, 0, BL_WHITE | BL_FIX}, 271 {'_', nv_lineop, 0, 0}, 272 {'`', nv_gomark, NV_NCH_ALW, FALSE}, 273 {'a', nv_edit, NV_NCH, 0}, 274 {'b', nv_bck_word, 0, 0}, 275 {'c', nv_operator, 0, 0}, 276 {'d', nv_operator, 0, 0}, 277 {'e', nv_wordcmd, 0, FALSE}, 278 {'f', nv_csearch, NV_NCH_ALW|NV_LANG, FORWARD}, 279 {'g', nv_g_cmd, NV_NCH_ALW, FALSE}, 280 {'h', nv_left, NV_RL, 0}, 281 {'i', nv_edit, NV_NCH, 0}, 282 {'j', nv_down, 0, FALSE}, 283 {'k', nv_up, 0, FALSE}, 284 {'l', nv_right, NV_RL, 0}, 285 {'m', nv_mark, NV_NCH_NOP, 0}, 286 {'n', nv_next, 0, 0}, 287 {'o', nv_open, 0, 0}, 288 {'p', nv_put, 0, 0}, 289 {'q', nv_record, NV_NCH, 0}, 290 {'r', nv_replace, NV_NCH_NOP|NV_LANG, 0}, 291 {'s', nv_subst, NV_KEEPREG, 0}, 292 {'t', nv_csearch, NV_NCH_ALW|NV_LANG, FORWARD}, 293 {'u', nv_undo, 0, 0}, 294 {'w', nv_wordcmd, 0, FALSE}, 295 {'x', nv_abbrev, NV_KEEPREG, 0}, 296 {'y', nv_operator, 0, 0}, 297 {'z', nv_zet, NV_NCH_ALW, 0}, 298 {'{', nv_findpar, 0, BACKWARD}, 299 {'|', nv_pipe, 0, 0}, 300 {'}', nv_findpar, 0, FORWARD}, 301 {'~', nv_tilde, 0, 0}, 302 303 // pound sign 304 {POUND, nv_ident, 0, 0}, 305 {K_MOUSEUP, nv_mousescroll, 0, MSCR_UP}, 306 {K_MOUSEDOWN, nv_mousescroll, 0, MSCR_DOWN}, 307 {K_MOUSELEFT, nv_mousescroll, 0, MSCR_LEFT}, 308 {K_MOUSERIGHT, nv_mousescroll, 0, MSCR_RIGHT}, 309 {K_LEFTMOUSE, nv_mouse, 0, 0}, 310 {K_LEFTMOUSE_NM, nv_mouse, 0, 0}, 311 {K_LEFTDRAG, nv_mouse, 0, 0}, 312 {K_LEFTRELEASE, nv_mouse, 0, 0}, 313 {K_LEFTRELEASE_NM, nv_mouse, 0, 0}, 314 {K_MOUSEMOVE, nv_mouse, 0, 0}, 315 {K_MIDDLEMOUSE, nv_mouse, 0, 0}, 316 {K_MIDDLEDRAG, nv_mouse, 0, 0}, 317 {K_MIDDLERELEASE, nv_mouse, 0, 0}, 318 {K_RIGHTMOUSE, nv_mouse, 0, 0}, 319 {K_RIGHTDRAG, nv_mouse, 0, 0}, 320 {K_RIGHTRELEASE, nv_mouse, 0, 0}, 321 {K_X1MOUSE, nv_mouse, 0, 0}, 322 {K_X1DRAG, nv_mouse, 0, 0}, 323 {K_X1RELEASE, nv_mouse, 0, 0}, 324 {K_X2MOUSE, nv_mouse, 0, 0}, 325 {K_X2DRAG, nv_mouse, 0, 0}, 326 {K_X2RELEASE, nv_mouse, 0, 0}, 327 {K_IGNORE, nv_ignore, NV_KEEPREG, 0}, 328 {K_NOP, nv_nop, 0, 0}, 329 {K_INS, nv_edit, 0, 0}, 330 {K_KINS, nv_edit, 0, 0}, 331 {K_BS, nv_ctrlh, 0, 0}, 332 {K_UP, nv_up, NV_SSS|NV_STS, FALSE}, 333 {K_S_UP, nv_page, NV_SS, BACKWARD}, 334 {K_DOWN, nv_down, NV_SSS|NV_STS, FALSE}, 335 {K_S_DOWN, nv_page, NV_SS, FORWARD}, 336 {K_LEFT, nv_left, NV_SSS|NV_STS|NV_RL, 0}, 337 {K_S_LEFT, nv_bck_word, NV_SS|NV_RL, 0}, 338 {K_C_LEFT, nv_bck_word, NV_SSS|NV_RL|NV_STS, 1}, 339 {K_RIGHT, nv_right, NV_SSS|NV_STS|NV_RL, 0}, 340 {K_S_RIGHT, nv_wordcmd, NV_SS|NV_RL, FALSE}, 341 {K_C_RIGHT, nv_wordcmd, NV_SSS|NV_RL|NV_STS, TRUE}, 342 {K_PAGEUP, nv_page, NV_SSS|NV_STS, BACKWARD}, 343 {K_KPAGEUP, nv_page, NV_SSS|NV_STS, BACKWARD}, 344 {K_PAGEDOWN, nv_page, NV_SSS|NV_STS, FORWARD}, 345 {K_KPAGEDOWN, nv_page, NV_SSS|NV_STS, FORWARD}, 346 {K_END, nv_end, NV_SSS|NV_STS, FALSE}, 347 {K_KEND, nv_end, NV_SSS|NV_STS, FALSE}, 348 {K_S_END, nv_end, NV_SS, FALSE}, 349 {K_C_END, nv_end, NV_SSS|NV_STS, TRUE}, 350 {K_HOME, nv_home, NV_SSS|NV_STS, 0}, 351 {K_KHOME, nv_home, NV_SSS|NV_STS, 0}, 352 {K_S_HOME, nv_home, NV_SS, 0}, 353 {K_C_HOME, nv_goto, NV_SSS|NV_STS, FALSE}, 354 {K_DEL, nv_abbrev, 0, 0}, 355 {K_KDEL, nv_abbrev, 0, 0}, 356 {K_UNDO, nv_kundo, 0, 0}, 357 {K_HELP, nv_help, NV_NCW, 0}, 358 {K_F1, nv_help, NV_NCW, 0}, 359 {K_XF1, nv_help, NV_NCW, 0}, 360 {K_SELECT, nv_select, 0, 0}, 361 #ifdef FEAT_GUI 362 {K_VER_SCROLLBAR, nv_ver_scrollbar, 0, 0}, 363 {K_HOR_SCROLLBAR, nv_hor_scrollbar, 0, 0}, 364 #endif 365 #ifdef FEAT_GUI_TABLINE 366 {K_TABLINE, nv_tabline, 0, 0}, 367 {K_TABMENU, nv_tabmenu, 0, 0}, 368 #endif 369 #ifdef FEAT_NETBEANS_INTG 370 {K_F21, nv_nbcmd, NV_NCH_ALW, 0}, 371 #endif 372 #ifdef FEAT_DND 373 {K_DROP, nv_drop, NV_STS, 0}, 374 #endif 375 {K_CURSORHOLD, nv_cursorhold, NV_KEEPREG, 0}, 376 {K_PS, nv_edit, 0, 0}, 377 {K_COMMAND, nv_colon, 0, 0}, 378 }; 379 380 // Number of commands in nv_cmds[]. 381 #define NV_CMDS_SIZE ARRAY_LENGTH(nv_cmds) 382 383 // Sorted index of commands in nv_cmds[]. 384 static short nv_cmd_idx[NV_CMDS_SIZE]; 385 386 // The highest index for which 387 // nv_cmds[idx].cmd_char == nv_cmd_idx[nv_cmds[idx].cmd_char] 388 static int nv_max_linear; 389 390 /* 391 * Compare functions for qsort() below, that checks the command character 392 * through the index in nv_cmd_idx[]. 393 */ 394 static int 395 nv_compare(const void *s1, const void *s2) 396 { 397 int c1, c2; 398 399 // The commands are sorted on absolute value. 400 c1 = nv_cmds[*(const short *)s1].cmd_char; 401 c2 = nv_cmds[*(const short *)s2].cmd_char; 402 if (c1 < 0) 403 c1 = -c1; 404 if (c2 < 0) 405 c2 = -c2; 406 return c1 - c2; 407 } 408 409 /* 410 * Initialize the nv_cmd_idx[] table. 411 */ 412 void 413 init_normal_cmds(void) 414 { 415 int i; 416 417 // Fill the index table with a one to one relation. 418 for (i = 0; i < (int)NV_CMDS_SIZE; ++i) 419 nv_cmd_idx[i] = i; 420 421 // Sort the commands by the command character. 422 qsort((void *)&nv_cmd_idx, (size_t)NV_CMDS_SIZE, sizeof(short), nv_compare); 423 424 // Find the first entry that can't be indexed by the command character. 425 for (i = 0; i < (int)NV_CMDS_SIZE; ++i) 426 if (i != nv_cmds[nv_cmd_idx[i]].cmd_char) 427 break; 428 nv_max_linear = i - 1; 429 } 430 431 /* 432 * Search for a command in the commands table. 433 * Returns -1 for invalid command. 434 */ 435 static int 436 find_command(int cmdchar) 437 { 438 int i; 439 int idx; 440 int top, bot; 441 int c; 442 443 // A multi-byte character is never a command. 444 if (cmdchar >= 0x100) 445 return -1; 446 447 // We use the absolute value of the character. Special keys have a 448 // negative value, but are sorted on their absolute value. 449 if (cmdchar < 0) 450 cmdchar = -cmdchar; 451 452 // If the character is in the first part: The character is the index into 453 // nv_cmd_idx[]. 454 if (cmdchar <= nv_max_linear) 455 return nv_cmd_idx[cmdchar]; 456 457 // Perform a binary search. 458 bot = nv_max_linear + 1; 459 top = NV_CMDS_SIZE - 1; 460 idx = -1; 461 while (bot <= top) 462 { 463 i = (top + bot) / 2; 464 c = nv_cmds[nv_cmd_idx[i]].cmd_char; 465 if (c < 0) 466 c = -c; 467 if (cmdchar == c) 468 { 469 idx = nv_cmd_idx[i]; 470 break; 471 } 472 if (cmdchar > c) 473 bot = i + 1; 474 else 475 top = i - 1; 476 } 477 return idx; 478 } 479 480 /* 481 * Execute a command in Normal mode. 482 */ 483 void 484 normal_cmd( 485 oparg_T *oap, 486 int toplevel UNUSED) // TRUE when called from main() 487 { 488 cmdarg_T ca; // command arguments 489 int c; 490 int ctrl_w = FALSE; // got CTRL-W command 491 int old_col = curwin->w_curswant; 492 #ifdef FEAT_CMDL_INFO 493 int need_flushbuf; // need to call out_flush() 494 #endif 495 pos_T old_pos; // cursor position before command 496 int mapped_len; 497 static int old_mapped_len = 0; 498 int idx; 499 #ifdef FEAT_EVAL 500 int set_prevcount = FALSE; 501 #endif 502 int save_did_cursorhold = did_cursorhold; 503 504 CLEAR_FIELD(ca); // also resets ca.retval 505 ca.oap = oap; 506 507 // Use a count remembered from before entering an operator. After typing 508 // "3d" we return from normal_cmd() and come back here, the "3" is 509 // remembered in "opcount". 510 ca.opcount = opcount; 511 512 /* 513 * If there is an operator pending, then the command we take this time 514 * will terminate it. Finish_op tells us to finish the operation before 515 * returning this time (unless the operation was cancelled). 516 */ 517 #ifdef CURSOR_SHAPE 518 c = finish_op; 519 #endif 520 finish_op = (oap->op_type != OP_NOP); 521 #ifdef CURSOR_SHAPE 522 if (finish_op != c) 523 { 524 ui_cursor_shape(); // may show different cursor shape 525 # ifdef FEAT_MOUSESHAPE 526 update_mouseshape(-1); 527 # endif 528 } 529 #endif 530 trigger_modechanged(); 531 532 // When not finishing an operator and no register name typed, reset the 533 // count. 534 if (!finish_op && !oap->regname) 535 { 536 ca.opcount = 0; 537 #ifdef FEAT_EVAL 538 set_prevcount = TRUE; 539 #endif 540 } 541 542 // Restore counts from before receiving K_CURSORHOLD. This means after 543 // typing "3", handling K_CURSORHOLD and then typing "2" we get "32", not 544 // "3 * 2". 545 if (oap->prev_opcount > 0 || oap->prev_count0 > 0) 546 { 547 ca.opcount = oap->prev_opcount; 548 ca.count0 = oap->prev_count0; 549 oap->prev_opcount = 0; 550 oap->prev_count0 = 0; 551 } 552 553 mapped_len = typebuf_maplen(); 554 555 State = NORMAL_BUSY; 556 #ifdef USE_ON_FLY_SCROLL 557 dont_scroll = FALSE; // allow scrolling here 558 #endif 559 560 #ifdef FEAT_EVAL 561 // Set v:count here, when called from main() and not a stuffed 562 // command, so that v:count can be used in an expression mapping 563 // when there is no count. Do set it for redo. 564 if (toplevel && readbuf1_empty()) 565 set_vcount_ca(&ca, &set_prevcount); 566 #endif 567 568 /* 569 * Get the command character from the user. 570 */ 571 c = safe_vgetc(); 572 LANGMAP_ADJUST(c, get_real_state() != SELECTMODE); 573 574 /* 575 * If a mapping was started in Visual or Select mode, remember the length 576 * of the mapping. This is used below to not return to Insert mode for as 577 * long as the mapping is being executed. 578 */ 579 if (restart_edit == 0) 580 old_mapped_len = 0; 581 else if (old_mapped_len 582 || (VIsual_active && mapped_len == 0 && typebuf_maplen() > 0)) 583 old_mapped_len = typebuf_maplen(); 584 585 if (c == NUL) 586 c = K_ZERO; 587 588 /* 589 * In Select mode, typed text replaces the selection. 590 */ 591 if (VIsual_active 592 && VIsual_select 593 && (vim_isprintc(c) || c == NL || c == CAR || c == K_KENTER)) 594 { 595 // Fake a "c"hange command. When "restart_edit" is set (e.g., because 596 // 'insertmode' is set) fake a "d"elete command, Insert mode will 597 // restart automatically. 598 // Insert the typed character in the typeahead buffer, so that it can 599 // be mapped in Insert mode. Required for ":lmap" to work. 600 ins_char_typebuf(vgetc_char, vgetc_mod_mask); 601 if (restart_edit != 0) 602 c = 'd'; 603 else 604 c = 'c'; 605 msg_nowait = TRUE; // don't delay going to insert mode 606 old_mapped_len = 0; // do go to Insert mode 607 } 608 609 #ifdef FEAT_CMDL_INFO 610 need_flushbuf = add_to_showcmd(c); 611 #endif 612 613 getcount: 614 if (!(VIsual_active && VIsual_select)) 615 { 616 /* 617 * Handle a count before a command and compute ca.count0. 618 * Note that '0' is a command and not the start of a count, but it's 619 * part of a count after other digits. 620 */ 621 while ( (c >= '1' && c <= '9') 622 || (ca.count0 != 0 && (c == K_DEL || c == K_KDEL || c == '0'))) 623 { 624 if (c == K_DEL || c == K_KDEL) 625 { 626 ca.count0 /= 10; 627 #ifdef FEAT_CMDL_INFO 628 del_from_showcmd(4); // delete the digit and ~@% 629 #endif 630 } 631 else 632 ca.count0 = ca.count0 * 10 + (c - '0'); 633 if (ca.count0 < 0) // overflow 634 ca.count0 = 999999999L; 635 #ifdef FEAT_EVAL 636 // Set v:count here, when called from main() and not a stuffed 637 // command, so that v:count can be used in an expression mapping 638 // right after the count. Do set it for redo. 639 if (toplevel && readbuf1_empty()) 640 set_vcount_ca(&ca, &set_prevcount); 641 #endif 642 if (ctrl_w) 643 { 644 ++no_mapping; 645 ++allow_keys; // no mapping for nchar, but keys 646 } 647 ++no_zero_mapping; // don't map zero here 648 c = plain_vgetc(); 649 LANGMAP_ADJUST(c, TRUE); 650 --no_zero_mapping; 651 if (ctrl_w) 652 { 653 --no_mapping; 654 --allow_keys; 655 } 656 #ifdef FEAT_CMDL_INFO 657 need_flushbuf |= add_to_showcmd(c); 658 #endif 659 } 660 661 /* 662 * If we got CTRL-W there may be a/another count 663 */ 664 if (c == Ctrl_W && !ctrl_w && oap->op_type == OP_NOP) 665 { 666 ctrl_w = TRUE; 667 ca.opcount = ca.count0; // remember first count 668 ca.count0 = 0; 669 ++no_mapping; 670 ++allow_keys; // no mapping for nchar, but keys 671 c = plain_vgetc(); // get next character 672 LANGMAP_ADJUST(c, TRUE); 673 --no_mapping; 674 --allow_keys; 675 #ifdef FEAT_CMDL_INFO 676 need_flushbuf |= add_to_showcmd(c); 677 #endif 678 goto getcount; // jump back 679 } 680 } 681 682 if (c == K_CURSORHOLD) 683 { 684 // Save the count values so that ca.opcount and ca.count0 are exactly 685 // the same when coming back here after handling K_CURSORHOLD. 686 oap->prev_opcount = ca.opcount; 687 oap->prev_count0 = ca.count0; 688 } 689 else if (ca.opcount != 0) 690 { 691 /* 692 * If we're in the middle of an operator (including after entering a 693 * yank buffer with '"') AND we had a count before the operator, then 694 * that count overrides the current value of ca.count0. 695 * What this means effectively, is that commands like "3dw" get turned 696 * into "d3w" which makes things fall into place pretty neatly. 697 * If you give a count before AND after the operator, they are 698 * multiplied. 699 */ 700 if (ca.count0) 701 ca.count0 *= ca.opcount; 702 else 703 ca.count0 = ca.opcount; 704 if (ca.count0 < 0) // overflow 705 ca.count0 = 999999999L; 706 } 707 708 /* 709 * Always remember the count. It will be set to zero (on the next call, 710 * above) when there is no pending operator. 711 * When called from main(), save the count for use by the "count" built-in 712 * variable. 713 */ 714 ca.opcount = ca.count0; 715 ca.count1 = (ca.count0 == 0 ? 1 : ca.count0); 716 717 #ifdef FEAT_EVAL 718 /* 719 * Only set v:count when called from main() and not a stuffed command. 720 * Do set it for redo. 721 */ 722 if (toplevel && readbuf1_empty()) 723 set_vcount(ca.count0, ca.count1, set_prevcount); 724 #endif 725 726 /* 727 * Find the command character in the table of commands. 728 * For CTRL-W we already got nchar when looking for a count. 729 */ 730 if (ctrl_w) 731 { 732 ca.nchar = c; 733 ca.cmdchar = Ctrl_W; 734 } 735 else 736 ca.cmdchar = c; 737 idx = find_command(ca.cmdchar); 738 if (idx < 0) 739 { 740 // Not a known command: beep. 741 clearopbeep(oap); 742 goto normal_end; 743 } 744 745 if (text_locked() && (nv_cmds[idx].cmd_flags & NV_NCW)) 746 { 747 // This command is not allowed while editing a cmdline: beep. 748 clearopbeep(oap); 749 text_locked_msg(); 750 goto normal_end; 751 } 752 if ((nv_cmds[idx].cmd_flags & NV_NCW) && curbuf_locked()) 753 goto normal_end; 754 755 /* 756 * In Visual/Select mode, a few keys are handled in a special way. 757 */ 758 if (VIsual_active) 759 { 760 // when 'keymodel' contains "stopsel" may stop Select/Visual mode 761 if (km_stopsel 762 && (nv_cmds[idx].cmd_flags & NV_STS) 763 && !(mod_mask & MOD_MASK_SHIFT)) 764 { 765 end_visual_mode(); 766 redraw_curbuf_later(INVERTED); 767 } 768 769 // Keys that work different when 'keymodel' contains "startsel" 770 if (km_startsel) 771 { 772 if (nv_cmds[idx].cmd_flags & NV_SS) 773 { 774 unshift_special(&ca); 775 idx = find_command(ca.cmdchar); 776 if (idx < 0) 777 { 778 // Just in case 779 clearopbeep(oap); 780 goto normal_end; 781 } 782 } 783 else if ((nv_cmds[idx].cmd_flags & NV_SSS) 784 && (mod_mask & MOD_MASK_SHIFT)) 785 mod_mask &= ~MOD_MASK_SHIFT; 786 } 787 } 788 789 #ifdef FEAT_RIGHTLEFT 790 if (curwin->w_p_rl && KeyTyped && !KeyStuffed 791 && (nv_cmds[idx].cmd_flags & NV_RL)) 792 { 793 // Invert horizontal movements and operations. Only when typed by the 794 // user directly, not when the result of a mapping or "x" translated 795 // to "dl". 796 switch (ca.cmdchar) 797 { 798 case 'l': ca.cmdchar = 'h'; break; 799 case K_RIGHT: ca.cmdchar = K_LEFT; break; 800 case K_S_RIGHT: ca.cmdchar = K_S_LEFT; break; 801 case K_C_RIGHT: ca.cmdchar = K_C_LEFT; break; 802 case 'h': ca.cmdchar = 'l'; break; 803 case K_LEFT: ca.cmdchar = K_RIGHT; break; 804 case K_S_LEFT: ca.cmdchar = K_S_RIGHT; break; 805 case K_C_LEFT: ca.cmdchar = K_C_RIGHT; break; 806 case '>': ca.cmdchar = '<'; break; 807 case '<': ca.cmdchar = '>'; break; 808 } 809 idx = find_command(ca.cmdchar); 810 } 811 #endif 812 813 /* 814 * Get an additional character if we need one. 815 */ 816 if ((nv_cmds[idx].cmd_flags & NV_NCH) 817 && (((nv_cmds[idx].cmd_flags & NV_NCH_NOP) == NV_NCH_NOP 818 && oap->op_type == OP_NOP) 819 || (nv_cmds[idx].cmd_flags & NV_NCH_ALW) == NV_NCH_ALW 820 || (ca.cmdchar == 'q' 821 && oap->op_type == OP_NOP 822 && reg_recording == 0 823 && reg_executing == 0) 824 || ((ca.cmdchar == 'a' || ca.cmdchar == 'i') 825 && (oap->op_type != OP_NOP || VIsual_active)))) 826 { 827 int *cp; 828 int repl = FALSE; // get character for replace mode 829 int lit = FALSE; // get extra character literally 830 int langmap_active = FALSE; // using :lmap mappings 831 int lang; // getting a text character 832 #ifdef HAVE_INPUT_METHOD 833 int save_smd; // saved value of p_smd 834 #endif 835 836 ++no_mapping; 837 ++allow_keys; // no mapping for nchar, but allow key codes 838 // Don't generate a CursorHold event here, most commands can't handle 839 // it, e.g., nv_replace(), nv_csearch(). 840 did_cursorhold = TRUE; 841 if (ca.cmdchar == 'g') 842 { 843 /* 844 * For 'g' get the next character now, so that we can check for 845 * "gr", "g'" and "g`". 846 */ 847 ca.nchar = plain_vgetc(); 848 LANGMAP_ADJUST(ca.nchar, TRUE); 849 #ifdef FEAT_CMDL_INFO 850 need_flushbuf |= add_to_showcmd(ca.nchar); 851 #endif 852 if (ca.nchar == 'r' || ca.nchar == '\'' || ca.nchar == '`' 853 || ca.nchar == Ctrl_BSL) 854 { 855 cp = &ca.extra_char; // need to get a third character 856 if (ca.nchar != 'r') 857 lit = TRUE; // get it literally 858 else 859 repl = TRUE; // get it in replace mode 860 } 861 else 862 cp = NULL; // no third character needed 863 } 864 else 865 { 866 if (ca.cmdchar == 'r') // get it in replace mode 867 repl = TRUE; 868 cp = &ca.nchar; 869 } 870 lang = (repl || (nv_cmds[idx].cmd_flags & NV_LANG)); 871 872 /* 873 * Get a second or third character. 874 */ 875 if (cp != NULL) 876 { 877 if (repl) 878 { 879 State = REPLACE; // pretend Replace mode 880 #ifdef CURSOR_SHAPE 881 ui_cursor_shape(); // show different cursor shape 882 #endif 883 } 884 if (lang && curbuf->b_p_iminsert == B_IMODE_LMAP) 885 { 886 // Allow mappings defined with ":lmap". 887 --no_mapping; 888 --allow_keys; 889 if (repl) 890 State = LREPLACE; 891 else 892 State = LANGMAP; 893 langmap_active = TRUE; 894 } 895 #ifdef HAVE_INPUT_METHOD 896 save_smd = p_smd; 897 p_smd = FALSE; // Don't let the IM code show the mode here 898 if (lang && curbuf->b_p_iminsert == B_IMODE_IM) 899 im_set_active(TRUE); 900 #endif 901 if ((State & INSERT) && !p_ek) 902 { 903 #ifdef FEAT_JOB_CHANNEL 904 ch_log_output = TRUE; 905 #endif 906 // Disable bracketed paste and modifyOtherKeys here, we won't 907 // recognize the escape sequences with 'esckeys' off. 908 out_str(T_BD); 909 out_str(T_CTE); 910 } 911 912 *cp = plain_vgetc(); 913 914 if ((State & INSERT) && !p_ek) 915 { 916 #ifdef FEAT_JOB_CHANNEL 917 ch_log_output = TRUE; 918 #endif 919 // Re-enable bracketed paste mode and modifyOtherKeys 920 out_str(T_BE); 921 out_str(T_CTI); 922 } 923 924 if (langmap_active) 925 { 926 // Undo the decrement done above 927 ++no_mapping; 928 ++allow_keys; 929 State = NORMAL_BUSY; 930 } 931 #ifdef HAVE_INPUT_METHOD 932 if (lang) 933 { 934 if (curbuf->b_p_iminsert != B_IMODE_LMAP) 935 im_save_status(&curbuf->b_p_iminsert); 936 im_set_active(FALSE); 937 } 938 p_smd = save_smd; 939 #endif 940 State = NORMAL_BUSY; 941 #ifdef FEAT_CMDL_INFO 942 need_flushbuf |= add_to_showcmd(*cp); 943 #endif 944 945 if (!lit) 946 { 947 #ifdef FEAT_DIGRAPHS 948 // Typing CTRL-K gets a digraph. 949 if (*cp == Ctrl_K 950 && ((nv_cmds[idx].cmd_flags & NV_LANG) 951 || cp == &ca.extra_char) 952 && vim_strchr(p_cpo, CPO_DIGRAPH) == NULL) 953 { 954 c = get_digraph(FALSE); 955 if (c > 0) 956 { 957 *cp = c; 958 # ifdef FEAT_CMDL_INFO 959 // Guessing how to update showcmd here... 960 del_from_showcmd(3); 961 need_flushbuf |= add_to_showcmd(*cp); 962 # endif 963 } 964 } 965 #endif 966 967 // adjust chars > 127, except after "tTfFr" commands 968 LANGMAP_ADJUST(*cp, !lang); 969 #ifdef FEAT_RIGHTLEFT 970 // adjust Hebrew mapped char 971 if (p_hkmap && lang && KeyTyped) 972 *cp = hkmap(*cp); 973 #endif 974 } 975 976 /* 977 * When the next character is CTRL-\ a following CTRL-N means the 978 * command is aborted and we go to Normal mode. 979 */ 980 if (cp == &ca.extra_char 981 && ca.nchar == Ctrl_BSL 982 && (ca.extra_char == Ctrl_N || ca.extra_char == Ctrl_G)) 983 { 984 ca.cmdchar = Ctrl_BSL; 985 ca.nchar = ca.extra_char; 986 idx = find_command(ca.cmdchar); 987 } 988 else if ((ca.nchar == 'n' || ca.nchar == 'N') && ca.cmdchar == 'g') 989 ca.oap->op_type = get_op_type(*cp, NUL); 990 else if (*cp == Ctrl_BSL) 991 { 992 long towait = (p_ttm >= 0 ? p_ttm : p_tm); 993 994 // There is a busy wait here when typing "f<C-\>" and then 995 // something different from CTRL-N. Can't be avoided. 996 while ((c = vpeekc()) <= 0 && towait > 0L) 997 { 998 do_sleep(towait > 50L ? 50L : towait, FALSE); 999 towait -= 50L; 1000 } 1001 if (c > 0) 1002 { 1003 c = plain_vgetc(); 1004 if (c != Ctrl_N && c != Ctrl_G) 1005 vungetc(c); 1006 else 1007 { 1008 ca.cmdchar = Ctrl_BSL; 1009 ca.nchar = c; 1010 idx = find_command(ca.cmdchar); 1011 } 1012 } 1013 } 1014 1015 // When getting a text character and the next character is a 1016 // multi-byte character, it could be a composing character. 1017 // However, don't wait for it to arrive. Also, do enable mapping, 1018 // because if it's put back with vungetc() it's too late to apply 1019 // mapping. 1020 --no_mapping; 1021 while (enc_utf8 && lang && (c = vpeekc()) > 0 1022 && (c >= 0x100 || MB_BYTE2LEN(vpeekc()) > 1)) 1023 { 1024 c = plain_vgetc(); 1025 if (!utf_iscomposing(c)) 1026 { 1027 vungetc(c); // it wasn't, put it back 1028 break; 1029 } 1030 else if (ca.ncharC1 == 0) 1031 ca.ncharC1 = c; 1032 else 1033 ca.ncharC2 = c; 1034 } 1035 ++no_mapping; 1036 } 1037 --no_mapping; 1038 --allow_keys; 1039 } 1040 1041 #ifdef FEAT_CMDL_INFO 1042 /* 1043 * Flush the showcmd characters onto the screen so we can see them while 1044 * the command is being executed. Only do this when the shown command was 1045 * actually displayed, otherwise this will slow down a lot when executing 1046 * mappings. 1047 */ 1048 if (need_flushbuf) 1049 out_flush(); 1050 #endif 1051 if (ca.cmdchar != K_IGNORE) 1052 { 1053 if (ex_normal_busy) 1054 did_cursorhold = save_did_cursorhold; 1055 else 1056 did_cursorhold = FALSE; 1057 } 1058 1059 State = NORMAL; 1060 1061 if (ca.nchar == ESC) 1062 { 1063 clearop(oap); 1064 if (restart_edit == 0 && goto_im()) 1065 restart_edit = 'a'; 1066 goto normal_end; 1067 } 1068 1069 if (ca.cmdchar != K_IGNORE) 1070 { 1071 msg_didout = FALSE; // don't scroll screen up for normal command 1072 msg_col = 0; 1073 } 1074 1075 old_pos = curwin->w_cursor; // remember where cursor was 1076 1077 // When 'keymodel' contains "startsel" some keys start Select/Visual 1078 // mode. 1079 if (!VIsual_active && km_startsel) 1080 { 1081 if (nv_cmds[idx].cmd_flags & NV_SS) 1082 { 1083 start_selection(); 1084 unshift_special(&ca); 1085 idx = find_command(ca.cmdchar); 1086 } 1087 else if ((nv_cmds[idx].cmd_flags & NV_SSS) 1088 && (mod_mask & MOD_MASK_SHIFT)) 1089 { 1090 start_selection(); 1091 mod_mask &= ~MOD_MASK_SHIFT; 1092 } 1093 } 1094 1095 /* 1096 * Execute the command! 1097 * Call the command function found in the commands table. 1098 */ 1099 ca.arg = nv_cmds[idx].cmd_arg; 1100 (nv_cmds[idx].cmd_func)(&ca); 1101 1102 /* 1103 * If we didn't start or finish an operator, reset oap->regname, unless we 1104 * need it later. 1105 */ 1106 if (!finish_op 1107 && !oap->op_type 1108 && (idx < 0 || !(nv_cmds[idx].cmd_flags & NV_KEEPREG))) 1109 { 1110 clearop(oap); 1111 #ifdef FEAT_EVAL 1112 reset_reg_var(); 1113 #endif 1114 } 1115 1116 // Get the length of mapped chars again after typing a count, second 1117 // character or "z333<cr>". 1118 if (old_mapped_len > 0) 1119 old_mapped_len = typebuf_maplen(); 1120 1121 /* 1122 * If an operation is pending, handle it. But not for K_IGNORE or 1123 * K_MOUSEMOVE. 1124 */ 1125 if (ca.cmdchar != K_IGNORE && ca.cmdchar != K_MOUSEMOVE) 1126 do_pending_operator(&ca, old_col, FALSE); 1127 1128 /* 1129 * Wait for a moment when a message is displayed that will be overwritten 1130 * by the mode message. 1131 * In Visual mode and with "^O" in Insert mode, a short message will be 1132 * overwritten by the mode message. Wait a bit, until a key is hit. 1133 * In Visual mode, it's more important to keep the Visual area updated 1134 * than keeping a message (e.g. from a /pat search). 1135 * Only do this if the command was typed, not from a mapping. 1136 * Don't wait when emsg_silent is non-zero. 1137 * Also wait a bit after an error message, e.g. for "^O:". 1138 * Don't redraw the screen, it would remove the message. 1139 */ 1140 if ( ((p_smd 1141 && msg_silent == 0 1142 && (restart_edit != 0 1143 || (VIsual_active 1144 && old_pos.lnum == curwin->w_cursor.lnum 1145 && old_pos.col == curwin->w_cursor.col) 1146 ) 1147 && (clear_cmdline 1148 || redraw_cmdline) 1149 && (msg_didout || (msg_didany && msg_scroll)) 1150 && !msg_nowait 1151 && KeyTyped) 1152 || (restart_edit != 0 1153 && !VIsual_active 1154 && (msg_scroll 1155 || emsg_on_display))) 1156 && oap->regname == 0 1157 && !(ca.retval & CA_COMMAND_BUSY) 1158 && stuff_empty() 1159 && typebuf_typed() 1160 && emsg_silent == 0 1161 && !in_assert_fails 1162 && !did_wait_return 1163 && oap->op_type == OP_NOP) 1164 { 1165 int save_State = State; 1166 1167 // Draw the cursor with the right shape here 1168 if (restart_edit != 0) 1169 State = INSERT; 1170 1171 // If need to redraw, and there is a "keep_msg", redraw before the 1172 // delay 1173 if (must_redraw && keep_msg != NULL && !emsg_on_display) 1174 { 1175 char_u *kmsg; 1176 1177 kmsg = keep_msg; 1178 keep_msg = NULL; 1179 // Showmode() will clear keep_msg, but we want to use it anyway. 1180 // First update w_topline. 1181 setcursor(); 1182 update_screen(0); 1183 // now reset it, otherwise it's put in the history again 1184 keep_msg = kmsg; 1185 1186 kmsg = vim_strsave(keep_msg); 1187 if (kmsg != NULL) 1188 { 1189 msg_attr((char *)kmsg, keep_msg_attr); 1190 vim_free(kmsg); 1191 } 1192 } 1193 setcursor(); 1194 #ifdef CURSOR_SHAPE 1195 ui_cursor_shape(); // may show different cursor shape 1196 #endif 1197 cursor_on(); 1198 out_flush(); 1199 if (msg_scroll || emsg_on_display) 1200 ui_delay(1003L, TRUE); // wait at least one second 1201 ui_delay(3003L, FALSE); // wait up to three seconds 1202 State = save_State; 1203 1204 msg_scroll = FALSE; 1205 emsg_on_display = FALSE; 1206 } 1207 1208 /* 1209 * Finish up after executing a Normal mode command. 1210 */ 1211 normal_end: 1212 1213 msg_nowait = FALSE; 1214 1215 #ifdef FEAT_EVAL 1216 if (finish_op) 1217 reset_reg_var(); 1218 #endif 1219 1220 // Reset finish_op, in case it was set 1221 #ifdef CURSOR_SHAPE 1222 c = finish_op; 1223 #endif 1224 finish_op = FALSE; 1225 trigger_modechanged(); 1226 #ifdef CURSOR_SHAPE 1227 // Redraw the cursor with another shape, if we were in Operator-pending 1228 // mode or did a replace command. 1229 if (c || ca.cmdchar == 'r') 1230 { 1231 ui_cursor_shape(); // may show different cursor shape 1232 # ifdef FEAT_MOUSESHAPE 1233 update_mouseshape(-1); 1234 # endif 1235 } 1236 #endif 1237 1238 #ifdef FEAT_CMDL_INFO 1239 if (oap->op_type == OP_NOP && oap->regname == 0 1240 && ca.cmdchar != K_CURSORHOLD) 1241 clear_showcmd(); 1242 #endif 1243 1244 checkpcmark(); // check if we moved since setting pcmark 1245 vim_free(ca.searchbuf); 1246 1247 if (has_mbyte) 1248 mb_adjust_cursor(); 1249 1250 if (curwin->w_p_scb && toplevel) 1251 { 1252 validate_cursor(); // may need to update w_leftcol 1253 do_check_scrollbind(TRUE); 1254 } 1255 1256 if (curwin->w_p_crb && toplevel) 1257 { 1258 validate_cursor(); // may need to update w_leftcol 1259 do_check_cursorbind(); 1260 } 1261 1262 #ifdef FEAT_TERMINAL 1263 // don't go to Insert mode if a terminal has a running job 1264 if (term_job_running(curbuf->b_term)) 1265 restart_edit = 0; 1266 #endif 1267 1268 /* 1269 * May restart edit(), if we got here with CTRL-O in Insert mode (but not 1270 * if still inside a mapping that started in Visual mode). 1271 * May switch from Visual to Select mode after CTRL-O command. 1272 */ 1273 if ( oap->op_type == OP_NOP 1274 && ((restart_edit != 0 && !VIsual_active && old_mapped_len == 0) 1275 || restart_VIsual_select == 1) 1276 && !(ca.retval & CA_COMMAND_BUSY) 1277 && stuff_empty() 1278 && oap->regname == 0) 1279 { 1280 if (restart_VIsual_select == 1) 1281 { 1282 VIsual_select = TRUE; 1283 trigger_modechanged(); 1284 showmode(); 1285 restart_VIsual_select = 0; 1286 } 1287 if (restart_edit != 0 && !VIsual_active && old_mapped_len == 0) 1288 (void)edit(restart_edit, FALSE, 1L); 1289 } 1290 1291 if (restart_VIsual_select == 2) 1292 restart_VIsual_select = 1; 1293 1294 // Save count before an operator for next time. 1295 opcount = ca.opcount; 1296 } 1297 1298 #ifdef FEAT_EVAL 1299 /* 1300 * Set v:count and v:count1 according to "cap". 1301 * Set v:prevcount only when "set_prevcount" is TRUE. 1302 */ 1303 static void 1304 set_vcount_ca(cmdarg_T *cap, int *set_prevcount) 1305 { 1306 long count = cap->count0; 1307 1308 // multiply with cap->opcount the same way as above 1309 if (cap->opcount != 0) 1310 count = cap->opcount * (count == 0 ? 1 : count); 1311 set_vcount(count, count == 0 ? 1 : count, *set_prevcount); 1312 *set_prevcount = FALSE; // only set v:prevcount once 1313 } 1314 #endif 1315 1316 /* 1317 * Check if highlighting for Visual mode is possible, give a warning message 1318 * if not. 1319 */ 1320 void 1321 check_visual_highlight(void) 1322 { 1323 static int did_check = FALSE; 1324 1325 if (full_screen) 1326 { 1327 if (!did_check && HL_ATTR(HLF_V) == 0) 1328 msg(_("Warning: terminal cannot highlight")); 1329 did_check = TRUE; 1330 } 1331 } 1332 1333 #if defined(FEAT_CLIPBOARD) && defined(FEAT_EVAL) 1334 /* 1335 * Call yank_do_autocmd() for "regname". 1336 */ 1337 static void 1338 call_yank_do_autocmd(int regname) 1339 { 1340 oparg_T oa; 1341 yankreg_T *reg; 1342 1343 clear_oparg(&oa); 1344 oa.regname = regname; 1345 oa.op_type = OP_YANK; 1346 oa.is_VIsual = TRUE; 1347 reg = get_register(regname, TRUE); 1348 yank_do_autocmd(&oa, reg); 1349 free_register(reg); 1350 } 1351 #endif 1352 1353 /* 1354 * End Visual mode. 1355 * This function or the next should ALWAYS be called to end Visual mode, except 1356 * from do_pending_operator(). 1357 */ 1358 void 1359 end_visual_mode() 1360 { 1361 end_visual_mode_keep_button(); 1362 reset_held_button(); 1363 } 1364 1365 void 1366 end_visual_mode_keep_button() 1367 { 1368 #ifdef FEAT_CLIPBOARD 1369 /* 1370 * If we are using the clipboard, then remember what was selected in case 1371 * we need to paste it somewhere while we still own the selection. 1372 * Only do this when the clipboard is already owned. Don't want to grab 1373 * the selection when hitting ESC. 1374 */ 1375 if (clip_star.available && clip_star.owned) 1376 clip_auto_select(); 1377 1378 # if defined(FEAT_EVAL) 1379 // Emit a TextYankPost for the automatic copy of the selection into the 1380 // star and/or plus register. 1381 if (has_textyankpost()) 1382 { 1383 if (clip_isautosel_star()) 1384 call_yank_do_autocmd('*'); 1385 if (clip_isautosel_plus()) 1386 call_yank_do_autocmd('+'); 1387 } 1388 # endif 1389 #endif 1390 1391 VIsual_active = FALSE; 1392 setmouse(); 1393 mouse_dragging = 0; 1394 1395 // Save the current VIsual area for '< and '> marks, and "gv" 1396 curbuf->b_visual.vi_mode = VIsual_mode; 1397 curbuf->b_visual.vi_start = VIsual; 1398 curbuf->b_visual.vi_end = curwin->w_cursor; 1399 curbuf->b_visual.vi_curswant = curwin->w_curswant; 1400 #ifdef FEAT_EVAL 1401 curbuf->b_visual_mode_eval = VIsual_mode; 1402 #endif 1403 if (!virtual_active()) 1404 curwin->w_cursor.coladd = 0; 1405 may_clear_cmdline(); 1406 1407 adjust_cursor_eol(); 1408 trigger_modechanged(); 1409 } 1410 1411 /* 1412 * Reset VIsual_active and VIsual_reselect. 1413 */ 1414 void 1415 reset_VIsual_and_resel(void) 1416 { 1417 if (VIsual_active) 1418 { 1419 end_visual_mode(); 1420 redraw_curbuf_later(INVERTED); // delete the inversion later 1421 } 1422 VIsual_reselect = FALSE; 1423 } 1424 1425 /* 1426 * Reset VIsual_active and VIsual_reselect if it's set. 1427 */ 1428 void 1429 reset_VIsual(void) 1430 { 1431 if (VIsual_active) 1432 { 1433 end_visual_mode(); 1434 redraw_curbuf_later(INVERTED); // delete the inversion later 1435 VIsual_reselect = FALSE; 1436 } 1437 } 1438 1439 void 1440 restore_visual_mode(void) 1441 { 1442 if (VIsual_mode_orig != NUL) 1443 { 1444 curbuf->b_visual.vi_mode = VIsual_mode_orig; 1445 VIsual_mode_orig = NUL; 1446 } 1447 } 1448 1449 /* 1450 * Check for a balloon-eval special item to include when searching for an 1451 * identifier. When "dir" is BACKWARD "ptr[-1]" must be valid! 1452 * Returns TRUE if the character at "*ptr" should be included. 1453 * "dir" is FORWARD or BACKWARD, the direction of searching. 1454 * "*colp" is in/decremented if "ptr[-dir]" should also be included. 1455 * "bnp" points to a counter for square brackets. 1456 */ 1457 static int 1458 find_is_eval_item( 1459 char_u *ptr, 1460 int *colp, 1461 int *bnp, 1462 int dir) 1463 { 1464 // Accept everything inside []. 1465 if ((*ptr == ']' && dir == BACKWARD) || (*ptr == '[' && dir == FORWARD)) 1466 ++*bnp; 1467 if (*bnp > 0) 1468 { 1469 if ((*ptr == '[' && dir == BACKWARD) || (*ptr == ']' && dir == FORWARD)) 1470 --*bnp; 1471 return TRUE; 1472 } 1473 1474 // skip over "s.var" 1475 if (*ptr == '.') 1476 return TRUE; 1477 1478 // two-character item: s->var 1479 if (ptr[dir == BACKWARD ? 0 : 1] == '>' 1480 && ptr[dir == BACKWARD ? -1 : 0] == '-') 1481 { 1482 *colp += dir; 1483 return TRUE; 1484 } 1485 return FALSE; 1486 } 1487 1488 /* 1489 * Find the identifier under or to the right of the cursor. 1490 * "find_type" can have one of three values: 1491 * FIND_IDENT: find an identifier (keyword) 1492 * FIND_STRING: find any non-white text 1493 * FIND_IDENT + FIND_STRING: find any non-white text, identifier preferred. 1494 * FIND_EVAL: find text useful for C program debugging 1495 * 1496 * There are three steps: 1497 * 1. Search forward for the start of an identifier/text. Doesn't move if 1498 * already on one. 1499 * 2. Search backward for the start of this identifier/text. 1500 * This doesn't match the real Vi but I like it a little better and it 1501 * shouldn't bother anyone. 1502 * 3. Search forward to the end of this identifier/text. 1503 * When FIND_IDENT isn't defined, we backup until a blank. 1504 * 1505 * Returns the length of the text, or zero if no text is found. 1506 * If text is found, a pointer to the text is put in "*text". This 1507 * points into the current buffer line and is not always NUL terminated. 1508 */ 1509 int 1510 find_ident_under_cursor(char_u **text, int find_type) 1511 { 1512 return find_ident_at_pos(curwin, curwin->w_cursor.lnum, 1513 curwin->w_cursor.col, text, NULL, find_type); 1514 } 1515 1516 /* 1517 * Like find_ident_under_cursor(), but for any window and any position. 1518 * However: Uses 'iskeyword' from the current window!. 1519 */ 1520 int 1521 find_ident_at_pos( 1522 win_T *wp, 1523 linenr_T lnum, 1524 colnr_T startcol, 1525 char_u **text, 1526 int *textcol, // column where "text" starts, can be NULL 1527 int find_type) 1528 { 1529 char_u *ptr; 1530 int col = 0; // init to shut up GCC 1531 int i; 1532 int this_class = 0; 1533 int prev_class; 1534 int prevcol; 1535 int bn = 0; // bracket nesting 1536 1537 /* 1538 * if i == 0: try to find an identifier 1539 * if i == 1: try to find any non-white text 1540 */ 1541 ptr = ml_get_buf(wp->w_buffer, lnum, FALSE); 1542 for (i = (find_type & FIND_IDENT) ? 0 : 1; i < 2; ++i) 1543 { 1544 /* 1545 * 1. skip to start of identifier/text 1546 */ 1547 col = startcol; 1548 if (has_mbyte) 1549 { 1550 while (ptr[col] != NUL) 1551 { 1552 // Stop at a ']' to evaluate "a[x]". 1553 if ((find_type & FIND_EVAL) && ptr[col] == ']') 1554 break; 1555 this_class = mb_get_class(ptr + col); 1556 if (this_class != 0 && (i == 1 || this_class != 1)) 1557 break; 1558 col += (*mb_ptr2len)(ptr + col); 1559 } 1560 } 1561 else 1562 while (ptr[col] != NUL 1563 && (i == 0 ? !vim_iswordc(ptr[col]) : VIM_ISWHITE(ptr[col])) 1564 && (!(find_type & FIND_EVAL) || ptr[col] != ']') 1565 ) 1566 ++col; 1567 1568 // When starting on a ']' count it, so that we include the '['. 1569 bn = ptr[col] == ']'; 1570 1571 /* 1572 * 2. Back up to start of identifier/text. 1573 */ 1574 if (has_mbyte) 1575 { 1576 // Remember class of character under cursor. 1577 if ((find_type & FIND_EVAL) && ptr[col] == ']') 1578 this_class = mb_get_class((char_u *)"a"); 1579 else 1580 this_class = mb_get_class(ptr + col); 1581 while (col > 0 && this_class != 0) 1582 { 1583 prevcol = col - 1 - (*mb_head_off)(ptr, ptr + col - 1); 1584 prev_class = mb_get_class(ptr + prevcol); 1585 if (this_class != prev_class 1586 && (i == 0 1587 || prev_class == 0 1588 || (find_type & FIND_IDENT)) 1589 && (!(find_type & FIND_EVAL) 1590 || prevcol == 0 1591 || !find_is_eval_item(ptr + prevcol, &prevcol, 1592 &bn, BACKWARD)) 1593 ) 1594 break; 1595 col = prevcol; 1596 } 1597 1598 // If we don't want just any old text, or we've found an 1599 // identifier, stop searching. 1600 if (this_class > 2) 1601 this_class = 2; 1602 if (!(find_type & FIND_STRING) || this_class == 2) 1603 break; 1604 } 1605 else 1606 { 1607 while (col > 0 1608 && ((i == 0 1609 ? vim_iswordc(ptr[col - 1]) 1610 : (!VIM_ISWHITE(ptr[col - 1]) 1611 && (!(find_type & FIND_IDENT) 1612 || !vim_iswordc(ptr[col - 1])))) 1613 || ((find_type & FIND_EVAL) 1614 && col > 1 1615 && find_is_eval_item(ptr + col - 1, &col, 1616 &bn, BACKWARD)) 1617 )) 1618 --col; 1619 1620 // If we don't want just any old text, or we've found an 1621 // identifier, stop searching. 1622 if (!(find_type & FIND_STRING) || vim_iswordc(ptr[col])) 1623 break; 1624 } 1625 } 1626 1627 if (ptr[col] == NUL || (i == 0 1628 && (has_mbyte ? this_class != 2 : !vim_iswordc(ptr[col])))) 1629 { 1630 // didn't find an identifier or text 1631 if ((find_type & FIND_NOERROR) == 0) 1632 { 1633 if (find_type & FIND_STRING) 1634 emsg(_("E348: No string under cursor")); 1635 else 1636 emsg(_(e_noident)); 1637 } 1638 return 0; 1639 } 1640 ptr += col; 1641 *text = ptr; 1642 if (textcol != NULL) 1643 *textcol = col; 1644 1645 /* 1646 * 3. Find the end if the identifier/text. 1647 */ 1648 bn = 0; 1649 startcol -= col; 1650 col = 0; 1651 if (has_mbyte) 1652 { 1653 // Search for point of changing multibyte character class. 1654 this_class = mb_get_class(ptr); 1655 while (ptr[col] != NUL 1656 && ((i == 0 ? mb_get_class(ptr + col) == this_class 1657 : mb_get_class(ptr + col) != 0) 1658 || ((find_type & FIND_EVAL) 1659 && col <= (int)startcol 1660 && find_is_eval_item(ptr + col, &col, &bn, FORWARD)) 1661 )) 1662 col += (*mb_ptr2len)(ptr + col); 1663 } 1664 else 1665 while ((i == 0 ? vim_iswordc(ptr[col]) 1666 : (ptr[col] != NUL && !VIM_ISWHITE(ptr[col]))) 1667 || ((find_type & FIND_EVAL) 1668 && col <= (int)startcol 1669 && find_is_eval_item(ptr + col, &col, &bn, FORWARD)) 1670 ) 1671 ++col; 1672 1673 return col; 1674 } 1675 1676 /* 1677 * Prepare for redo of a normal command. 1678 */ 1679 static void 1680 prep_redo_cmd(cmdarg_T *cap) 1681 { 1682 prep_redo(cap->oap->regname, cap->count0, 1683 NUL, cap->cmdchar, NUL, NUL, cap->nchar); 1684 } 1685 1686 /* 1687 * Prepare for redo of any command. 1688 * Note that only the last argument can be a multi-byte char. 1689 */ 1690 void 1691 prep_redo( 1692 int regname, 1693 long num, 1694 int cmd1, 1695 int cmd2, 1696 int cmd3, 1697 int cmd4, 1698 int cmd5) 1699 { 1700 ResetRedobuff(); 1701 if (regname != 0) // yank from specified buffer 1702 { 1703 AppendCharToRedobuff('"'); 1704 AppendCharToRedobuff(regname); 1705 } 1706 if (num) 1707 AppendNumberToRedobuff(num); 1708 1709 if (cmd1 != NUL) 1710 AppendCharToRedobuff(cmd1); 1711 if (cmd2 != NUL) 1712 AppendCharToRedobuff(cmd2); 1713 if (cmd3 != NUL) 1714 AppendCharToRedobuff(cmd3); 1715 if (cmd4 != NUL) 1716 AppendCharToRedobuff(cmd4); 1717 if (cmd5 != NUL) 1718 AppendCharToRedobuff(cmd5); 1719 } 1720 1721 /* 1722 * check for operator active and clear it 1723 * 1724 * return TRUE if operator was active 1725 */ 1726 static int 1727 checkclearop(oparg_T *oap) 1728 { 1729 if (oap->op_type == OP_NOP) 1730 return FALSE; 1731 clearopbeep(oap); 1732 return TRUE; 1733 } 1734 1735 /* 1736 * Check for operator or Visual active. Clear active operator. 1737 * 1738 * Return TRUE if operator or Visual was active. 1739 */ 1740 static int 1741 checkclearopq(oparg_T *oap) 1742 { 1743 if (oap->op_type == OP_NOP && !VIsual_active) 1744 return FALSE; 1745 clearopbeep(oap); 1746 return TRUE; 1747 } 1748 1749 void 1750 clearop(oparg_T *oap) 1751 { 1752 oap->op_type = OP_NOP; 1753 oap->regname = 0; 1754 oap->motion_force = NUL; 1755 oap->use_reg_one = FALSE; 1756 motion_force = NUL; 1757 } 1758 1759 void 1760 clearopbeep(oparg_T *oap) 1761 { 1762 clearop(oap); 1763 beep_flush(); 1764 } 1765 1766 /* 1767 * Remove the shift modifier from a special key. 1768 */ 1769 static void 1770 unshift_special(cmdarg_T *cap) 1771 { 1772 switch (cap->cmdchar) 1773 { 1774 case K_S_RIGHT: cap->cmdchar = K_RIGHT; break; 1775 case K_S_LEFT: cap->cmdchar = K_LEFT; break; 1776 case K_S_UP: cap->cmdchar = K_UP; break; 1777 case K_S_DOWN: cap->cmdchar = K_DOWN; break; 1778 case K_S_HOME: cap->cmdchar = K_HOME; break; 1779 case K_S_END: cap->cmdchar = K_END; break; 1780 } 1781 cap->cmdchar = simplify_key(cap->cmdchar, &mod_mask); 1782 } 1783 1784 /* 1785 * If the mode is currently displayed clear the command line or update the 1786 * command displayed. 1787 */ 1788 void 1789 may_clear_cmdline(void) 1790 { 1791 if (mode_displayed) 1792 clear_cmdline = TRUE; // unshow visual mode later 1793 #ifdef FEAT_CMDL_INFO 1794 else 1795 clear_showcmd(); 1796 #endif 1797 } 1798 1799 #if defined(FEAT_CMDL_INFO) || defined(PROTO) 1800 /* 1801 * Routines for displaying a partly typed command 1802 */ 1803 1804 #define SHOWCMD_BUFLEN SHOWCMD_COLS + 1 + 30 1805 static char_u showcmd_buf[SHOWCMD_BUFLEN]; 1806 static char_u old_showcmd_buf[SHOWCMD_BUFLEN]; // For push_showcmd() 1807 static int showcmd_is_clear = TRUE; 1808 static int showcmd_visual = FALSE; 1809 1810 static void display_showcmd(void); 1811 1812 void 1813 clear_showcmd(void) 1814 { 1815 if (!p_sc) 1816 return; 1817 1818 if (VIsual_active && !char_avail()) 1819 { 1820 int cursor_bot = LT_POS(VIsual, curwin->w_cursor); 1821 long lines; 1822 colnr_T leftcol, rightcol; 1823 linenr_T top, bot; 1824 1825 // Show the size of the Visual area. 1826 if (cursor_bot) 1827 { 1828 top = VIsual.lnum; 1829 bot = curwin->w_cursor.lnum; 1830 } 1831 else 1832 { 1833 top = curwin->w_cursor.lnum; 1834 bot = VIsual.lnum; 1835 } 1836 # ifdef FEAT_FOLDING 1837 // Include closed folds as a whole. 1838 (void)hasFolding(top, &top, NULL); 1839 (void)hasFolding(bot, NULL, &bot); 1840 # endif 1841 lines = bot - top + 1; 1842 1843 if (VIsual_mode == Ctrl_V) 1844 { 1845 # ifdef FEAT_LINEBREAK 1846 char_u *saved_sbr = p_sbr; 1847 char_u *saved_w_sbr = curwin->w_p_sbr; 1848 1849 // Make 'sbr' empty for a moment to get the correct size. 1850 p_sbr = empty_option; 1851 curwin->w_p_sbr = empty_option; 1852 # endif 1853 getvcols(curwin, &curwin->w_cursor, &VIsual, &leftcol, &rightcol); 1854 # ifdef FEAT_LINEBREAK 1855 p_sbr = saved_sbr; 1856 curwin->w_p_sbr = saved_w_sbr; 1857 # endif 1858 sprintf((char *)showcmd_buf, "%ldx%ld", lines, 1859 (long)(rightcol - leftcol + 1)); 1860 } 1861 else if (VIsual_mode == 'V' || VIsual.lnum != curwin->w_cursor.lnum) 1862 sprintf((char *)showcmd_buf, "%ld", lines); 1863 else 1864 { 1865 char_u *s, *e; 1866 int l; 1867 int bytes = 0; 1868 int chars = 0; 1869 1870 if (cursor_bot) 1871 { 1872 s = ml_get_pos(&VIsual); 1873 e = ml_get_cursor(); 1874 } 1875 else 1876 { 1877 s = ml_get_cursor(); 1878 e = ml_get_pos(&VIsual); 1879 } 1880 while ((*p_sel != 'e') ? s <= e : s < e) 1881 { 1882 l = (*mb_ptr2len)(s); 1883 if (l == 0) 1884 { 1885 ++bytes; 1886 ++chars; 1887 break; // end of line 1888 } 1889 bytes += l; 1890 ++chars; 1891 s += l; 1892 } 1893 if (bytes == chars) 1894 sprintf((char *)showcmd_buf, "%d", chars); 1895 else 1896 sprintf((char *)showcmd_buf, "%d-%d", chars, bytes); 1897 } 1898 showcmd_buf[SHOWCMD_COLS] = NUL; // truncate 1899 showcmd_visual = TRUE; 1900 } 1901 else 1902 { 1903 showcmd_buf[0] = NUL; 1904 showcmd_visual = FALSE; 1905 1906 // Don't actually display something if there is nothing to clear. 1907 if (showcmd_is_clear) 1908 return; 1909 } 1910 1911 display_showcmd(); 1912 } 1913 1914 /* 1915 * Add 'c' to string of shown command chars. 1916 * Return TRUE if output has been written (and setcursor() has been called). 1917 */ 1918 int 1919 add_to_showcmd(int c) 1920 { 1921 char_u *p; 1922 int old_len; 1923 int extra_len; 1924 int overflow; 1925 int i; 1926 static int ignore[] = 1927 { 1928 #ifdef FEAT_GUI 1929 K_VER_SCROLLBAR, K_HOR_SCROLLBAR, 1930 K_LEFTMOUSE_NM, K_LEFTRELEASE_NM, 1931 #endif 1932 K_IGNORE, K_PS, 1933 K_LEFTMOUSE, K_LEFTDRAG, K_LEFTRELEASE, K_MOUSEMOVE, 1934 K_MIDDLEMOUSE, K_MIDDLEDRAG, K_MIDDLERELEASE, 1935 K_RIGHTMOUSE, K_RIGHTDRAG, K_RIGHTRELEASE, 1936 K_MOUSEDOWN, K_MOUSEUP, K_MOUSELEFT, K_MOUSERIGHT, 1937 K_X1MOUSE, K_X1DRAG, K_X1RELEASE, K_X2MOUSE, K_X2DRAG, K_X2RELEASE, 1938 K_CURSORHOLD, 1939 0 1940 }; 1941 1942 if (!p_sc || msg_silent != 0) 1943 return FALSE; 1944 1945 if (showcmd_visual) 1946 { 1947 showcmd_buf[0] = NUL; 1948 showcmd_visual = FALSE; 1949 } 1950 1951 // Ignore keys that are scrollbar updates and mouse clicks 1952 if (IS_SPECIAL(c)) 1953 for (i = 0; ignore[i] != 0; ++i) 1954 if (ignore[i] == c) 1955 return FALSE; 1956 1957 p = transchar(c); 1958 if (*p == ' ') 1959 STRCPY(p, "<20>"); 1960 old_len = (int)STRLEN(showcmd_buf); 1961 extra_len = (int)STRLEN(p); 1962 overflow = old_len + extra_len - SHOWCMD_COLS; 1963 if (overflow > 0) 1964 mch_memmove(showcmd_buf, showcmd_buf + overflow, 1965 old_len - overflow + 1); 1966 STRCAT(showcmd_buf, p); 1967 1968 if (char_avail()) 1969 return FALSE; 1970 1971 display_showcmd(); 1972 1973 return TRUE; 1974 } 1975 1976 void 1977 add_to_showcmd_c(int c) 1978 { 1979 if (!add_to_showcmd(c)) 1980 setcursor(); 1981 } 1982 1983 /* 1984 * Delete 'len' characters from the end of the shown command. 1985 */ 1986 static void 1987 del_from_showcmd(int len) 1988 { 1989 int old_len; 1990 1991 if (!p_sc) 1992 return; 1993 1994 old_len = (int)STRLEN(showcmd_buf); 1995 if (len > old_len) 1996 len = old_len; 1997 showcmd_buf[old_len - len] = NUL; 1998 1999 if (!char_avail()) 2000 display_showcmd(); 2001 } 2002 2003 /* 2004 * push_showcmd() and pop_showcmd() are used when waiting for the user to type 2005 * something and there is a partial mapping. 2006 */ 2007 void 2008 push_showcmd(void) 2009 { 2010 if (p_sc) 2011 STRCPY(old_showcmd_buf, showcmd_buf); 2012 } 2013 2014 void 2015 pop_showcmd(void) 2016 { 2017 if (!p_sc) 2018 return; 2019 2020 STRCPY(showcmd_buf, old_showcmd_buf); 2021 2022 display_showcmd(); 2023 } 2024 2025 static void 2026 display_showcmd(void) 2027 { 2028 int len; 2029 2030 cursor_off(); 2031 2032 len = (int)STRLEN(showcmd_buf); 2033 if (len == 0) 2034 showcmd_is_clear = TRUE; 2035 else 2036 { 2037 screen_puts(showcmd_buf, (int)Rows - 1, sc_col, 0); 2038 showcmd_is_clear = FALSE; 2039 } 2040 2041 /* 2042 * clear the rest of an old message by outputting up to SHOWCMD_COLS 2043 * spaces 2044 */ 2045 screen_puts((char_u *)" " + len, (int)Rows - 1, sc_col + len, 0); 2046 2047 setcursor(); // put cursor back where it belongs 2048 } 2049 #endif 2050 2051 /* 2052 * When "check" is FALSE, prepare for commands that scroll the window. 2053 * When "check" is TRUE, take care of scroll-binding after the window has 2054 * scrolled. Called from normal_cmd() and edit(). 2055 */ 2056 void 2057 do_check_scrollbind(int check) 2058 { 2059 static win_T *old_curwin = NULL; 2060 static linenr_T old_topline = 0; 2061 #ifdef FEAT_DIFF 2062 static int old_topfill = 0; 2063 #endif 2064 static buf_T *old_buf = NULL; 2065 static colnr_T old_leftcol = 0; 2066 2067 if (check && curwin->w_p_scb) 2068 { 2069 // If a ":syncbind" command was just used, don't scroll, only reset 2070 // the values. 2071 if (did_syncbind) 2072 did_syncbind = FALSE; 2073 else if (curwin == old_curwin) 2074 { 2075 /* 2076 * Synchronize other windows, as necessary according to 2077 * 'scrollbind'. Don't do this after an ":edit" command, except 2078 * when 'diff' is set. 2079 */ 2080 if ((curwin->w_buffer == old_buf 2081 #ifdef FEAT_DIFF 2082 || curwin->w_p_diff 2083 #endif 2084 ) 2085 && (curwin->w_topline != old_topline 2086 #ifdef FEAT_DIFF 2087 || curwin->w_topfill != old_topfill 2088 #endif 2089 || curwin->w_leftcol != old_leftcol)) 2090 { 2091 check_scrollbind(curwin->w_topline - old_topline, 2092 (long)(curwin->w_leftcol - old_leftcol)); 2093 } 2094 } 2095 else if (vim_strchr(p_sbo, 'j')) // jump flag set in 'scrollopt' 2096 { 2097 /* 2098 * When switching between windows, make sure that the relative 2099 * vertical offset is valid for the new window. The relative 2100 * offset is invalid whenever another 'scrollbind' window has 2101 * scrolled to a point that would force the current window to 2102 * scroll past the beginning or end of its buffer. When the 2103 * resync is performed, some of the other 'scrollbind' windows may 2104 * need to jump so that the current window's relative position is 2105 * visible on-screen. 2106 */ 2107 check_scrollbind(curwin->w_topline - curwin->w_scbind_pos, 0L); 2108 } 2109 curwin->w_scbind_pos = curwin->w_topline; 2110 } 2111 2112 old_curwin = curwin; 2113 old_topline = curwin->w_topline; 2114 #ifdef FEAT_DIFF 2115 old_topfill = curwin->w_topfill; 2116 #endif 2117 old_buf = curwin->w_buffer; 2118 old_leftcol = curwin->w_leftcol; 2119 } 2120 2121 /* 2122 * Synchronize any windows that have "scrollbind" set, based on the 2123 * number of rows by which the current window has changed 2124 * (1998-11-02 16:21:01 R. Edward Ralston <[email protected]>) 2125 */ 2126 void 2127 check_scrollbind(linenr_T topline_diff, long leftcol_diff) 2128 { 2129 int want_ver; 2130 int want_hor; 2131 win_T *old_curwin = curwin; 2132 buf_T *old_curbuf = curbuf; 2133 int old_VIsual_select = VIsual_select; 2134 int old_VIsual_active = VIsual_active; 2135 colnr_T tgt_leftcol = curwin->w_leftcol; 2136 long topline; 2137 long y; 2138 2139 /* 2140 * check 'scrollopt' string for vertical and horizontal scroll options 2141 */ 2142 want_ver = (vim_strchr(p_sbo, 'v') && topline_diff != 0); 2143 #ifdef FEAT_DIFF 2144 want_ver |= old_curwin->w_p_diff; 2145 #endif 2146 want_hor = (vim_strchr(p_sbo, 'h') && (leftcol_diff || topline_diff != 0)); 2147 2148 /* 2149 * loop through the scrollbound windows and scroll accordingly 2150 */ 2151 VIsual_select = VIsual_active = 0; 2152 FOR_ALL_WINDOWS(curwin) 2153 { 2154 curbuf = curwin->w_buffer; 2155 // skip original window and windows with 'noscrollbind' 2156 if (curwin != old_curwin && curwin->w_p_scb) 2157 { 2158 /* 2159 * do the vertical scroll 2160 */ 2161 if (want_ver) 2162 { 2163 #ifdef FEAT_DIFF 2164 if (old_curwin->w_p_diff && curwin->w_p_diff) 2165 { 2166 diff_set_topline(old_curwin, curwin); 2167 } 2168 else 2169 #endif 2170 { 2171 curwin->w_scbind_pos += topline_diff; 2172 topline = curwin->w_scbind_pos; 2173 if (topline > curbuf->b_ml.ml_line_count) 2174 topline = curbuf->b_ml.ml_line_count; 2175 if (topline < 1) 2176 topline = 1; 2177 2178 y = topline - curwin->w_topline; 2179 if (y > 0) 2180 scrollup(y, FALSE); 2181 else 2182 scrolldown(-y, FALSE); 2183 } 2184 2185 redraw_later(VALID); 2186 cursor_correct(); 2187 curwin->w_redr_status = TRUE; 2188 } 2189 2190 /* 2191 * do the horizontal scroll 2192 */ 2193 if (want_hor && curwin->w_leftcol != tgt_leftcol) 2194 { 2195 curwin->w_leftcol = tgt_leftcol; 2196 leftcol_changed(); 2197 } 2198 } 2199 } 2200 2201 /* 2202 * reset current-window 2203 */ 2204 VIsual_select = old_VIsual_select; 2205 VIsual_active = old_VIsual_active; 2206 curwin = old_curwin; 2207 curbuf = old_curbuf; 2208 } 2209 2210 /* 2211 * Command character that's ignored. 2212 * Used for CTRL-Q and CTRL-S to avoid problems with terminals that use 2213 * xon/xoff. 2214 */ 2215 static void 2216 nv_ignore(cmdarg_T *cap) 2217 { 2218 cap->retval |= CA_COMMAND_BUSY; // don't call edit() now 2219 } 2220 2221 /* 2222 * Command character that doesn't do anything, but unlike nv_ignore() does 2223 * start edit(). Used for "startinsert" executed while starting up. 2224 */ 2225 static void 2226 nv_nop(cmdarg_T *cap UNUSED) 2227 { 2228 } 2229 2230 /* 2231 * Command character doesn't exist. 2232 */ 2233 static void 2234 nv_error(cmdarg_T *cap) 2235 { 2236 clearopbeep(cap->oap); 2237 } 2238 2239 /* 2240 * <Help> and <F1> commands. 2241 */ 2242 static void 2243 nv_help(cmdarg_T *cap) 2244 { 2245 if (!checkclearopq(cap->oap)) 2246 ex_help(NULL); 2247 } 2248 2249 /* 2250 * CTRL-A and CTRL-X: Add or subtract from letter or number under cursor. 2251 */ 2252 static void 2253 nv_addsub(cmdarg_T *cap) 2254 { 2255 #ifdef FEAT_JOB_CHANNEL 2256 if (bt_prompt(curbuf) && !prompt_curpos_editable()) 2257 clearopbeep(cap->oap); 2258 else 2259 #endif 2260 if (!VIsual_active && cap->oap->op_type == OP_NOP) 2261 { 2262 prep_redo_cmd(cap); 2263 cap->oap->op_type = cap->cmdchar == Ctrl_A ? OP_NR_ADD : OP_NR_SUB; 2264 op_addsub(cap->oap, cap->count1, cap->arg); 2265 cap->oap->op_type = OP_NOP; 2266 } 2267 else if (VIsual_active) 2268 nv_operator(cap); 2269 else 2270 clearop(cap->oap); 2271 } 2272 2273 /* 2274 * CTRL-F, CTRL-B, etc: Scroll page up or down. 2275 */ 2276 static void 2277 nv_page(cmdarg_T *cap) 2278 { 2279 if (!checkclearop(cap->oap)) 2280 { 2281 if (mod_mask & MOD_MASK_CTRL) 2282 { 2283 // <C-PageUp>: tab page back; <C-PageDown>: tab page forward 2284 if (cap->arg == BACKWARD) 2285 goto_tabpage(-(int)cap->count1); 2286 else 2287 goto_tabpage((int)cap->count0); 2288 } 2289 else 2290 (void)onepage(cap->arg, cap->count1); 2291 } 2292 } 2293 2294 /* 2295 * Implementation of "gd" and "gD" command. 2296 */ 2297 static void 2298 nv_gd( 2299 oparg_T *oap, 2300 int nchar, 2301 int thisblock) // 1 for "1gd" and "1gD" 2302 { 2303 int len; 2304 char_u *ptr; 2305 2306 if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0 2307 || find_decl(ptr, len, nchar == 'd', thisblock, SEARCH_START) 2308 == FAIL) 2309 clearopbeep(oap); 2310 #ifdef FEAT_FOLDING 2311 else if ((fdo_flags & FDO_SEARCH) && KeyTyped && oap->op_type == OP_NOP) 2312 foldOpenCursor(); 2313 #endif 2314 } 2315 2316 /* 2317 * Return TRUE if line[offset] is not inside a C-style comment or string, FALSE 2318 * otherwise. 2319 */ 2320 static int 2321 is_ident(char_u *line, int offset) 2322 { 2323 int i; 2324 int incomment = FALSE; 2325 int instring = 0; 2326 int prev = 0; 2327 2328 for (i = 0; i < offset && line[i] != NUL; i++) 2329 { 2330 if (instring != 0) 2331 { 2332 if (prev != '\\' && line[i] == instring) 2333 instring = 0; 2334 } 2335 else if ((line[i] == '"' || line[i] == '\'') && !incomment) 2336 { 2337 instring = line[i]; 2338 } 2339 else 2340 { 2341 if (incomment) 2342 { 2343 if (prev == '*' && line[i] == '/') 2344 incomment = FALSE; 2345 } 2346 else if (prev == '/' && line[i] == '*') 2347 { 2348 incomment = TRUE; 2349 } 2350 else if (prev == '/' && line[i] == '/') 2351 { 2352 return FALSE; 2353 } 2354 } 2355 2356 prev = line[i]; 2357 } 2358 2359 return incomment == FALSE && instring == 0; 2360 } 2361 2362 /* 2363 * Search for variable declaration of "ptr[len]". 2364 * When "locally" is TRUE in the current function ("gd"), otherwise in the 2365 * current file ("gD"). 2366 * When "thisblock" is TRUE check the {} block scope. 2367 * Return FAIL when not found. 2368 */ 2369 int 2370 find_decl( 2371 char_u *ptr, 2372 int len, 2373 int locally, 2374 int thisblock, 2375 int flags_arg) // flags passed to searchit() 2376 { 2377 char_u *pat; 2378 pos_T old_pos; 2379 pos_T par_pos; 2380 pos_T found_pos; 2381 int t; 2382 int save_p_ws; 2383 int save_p_scs; 2384 int retval = OK; 2385 int incll; 2386 int searchflags = flags_arg; 2387 int valid; 2388 2389 if ((pat = alloc(len + 7)) == NULL) 2390 return FAIL; 2391 2392 // Put "\V" before the pattern to avoid that the special meaning of "." 2393 // and "~" causes trouble. 2394 sprintf((char *)pat, vim_iswordp(ptr) ? "\\V\\<%.*s\\>" : "\\V%.*s", 2395 len, ptr); 2396 old_pos = curwin->w_cursor; 2397 save_p_ws = p_ws; 2398 save_p_scs = p_scs; 2399 p_ws = FALSE; // don't wrap around end of file now 2400 p_scs = FALSE; // don't switch ignorecase off now 2401 2402 /* 2403 * With "gD" go to line 1. 2404 * With "gd" Search back for the start of the current function, then go 2405 * back until a blank line. If this fails go to line 1. 2406 */ 2407 if (!locally || !findpar(&incll, BACKWARD, 1L, '{', FALSE)) 2408 { 2409 setpcmark(); // Set in findpar() otherwise 2410 curwin->w_cursor.lnum = 1; 2411 par_pos = curwin->w_cursor; 2412 } 2413 else 2414 { 2415 par_pos = curwin->w_cursor; 2416 while (curwin->w_cursor.lnum > 1 && *skipwhite(ml_get_curline()) != NUL) 2417 --curwin->w_cursor.lnum; 2418 } 2419 curwin->w_cursor.col = 0; 2420 2421 // Search forward for the identifier, ignore comment lines. 2422 CLEAR_POS(&found_pos); 2423 for (;;) 2424 { 2425 t = searchit(curwin, curbuf, &curwin->w_cursor, NULL, FORWARD, 2426 pat, 1L, searchflags, RE_LAST, NULL); 2427 if (curwin->w_cursor.lnum >= old_pos.lnum) 2428 t = FAIL; // match after start is failure too 2429 2430 if (thisblock && t != FAIL) 2431 { 2432 pos_T *pos; 2433 2434 // Check that the block the match is in doesn't end before the 2435 // position where we started the search from. 2436 if ((pos = findmatchlimit(NULL, '}', FM_FORWARD, 2437 (int)(old_pos.lnum - curwin->w_cursor.lnum + 1))) != NULL 2438 && pos->lnum < old_pos.lnum) 2439 { 2440 // There can't be a useful match before the end of this block. 2441 // Skip to the end. 2442 curwin->w_cursor = *pos; 2443 continue; 2444 } 2445 } 2446 2447 if (t == FAIL) 2448 { 2449 // If we previously found a valid position, use it. 2450 if (found_pos.lnum != 0) 2451 { 2452 curwin->w_cursor = found_pos; 2453 t = OK; 2454 } 2455 break; 2456 } 2457 if (get_leader_len(ml_get_curline(), NULL, FALSE, TRUE) > 0) 2458 { 2459 // Ignore this line, continue at start of next line. 2460 ++curwin->w_cursor.lnum; 2461 curwin->w_cursor.col = 0; 2462 continue; 2463 } 2464 valid = is_ident(ml_get_curline(), curwin->w_cursor.col); 2465 2466 // If the current position is not a valid identifier and a previous 2467 // match is present, favor that one instead. 2468 if (!valid && found_pos.lnum != 0) 2469 { 2470 curwin->w_cursor = found_pos; 2471 break; 2472 } 2473 2474 // Global search: use first valid match found 2475 if (valid && !locally) 2476 break; 2477 if (valid && curwin->w_cursor.lnum >= par_pos.lnum) 2478 { 2479 // If we previously found a valid position, use it. 2480 if (found_pos.lnum != 0) 2481 curwin->w_cursor = found_pos; 2482 break; 2483 } 2484 2485 // For finding a local variable and the match is before the "{" or 2486 // inside a comment, continue searching. For K&R style function 2487 // declarations this skips the function header without types. 2488 if (!valid) 2489 CLEAR_POS(&found_pos); 2490 else 2491 found_pos = curwin->w_cursor; 2492 // Remove SEARCH_START from flags to avoid getting stuck at one 2493 // position. 2494 searchflags &= ~SEARCH_START; 2495 } 2496 2497 if (t == FAIL) 2498 { 2499 retval = FAIL; 2500 curwin->w_cursor = old_pos; 2501 } 2502 else 2503 { 2504 curwin->w_set_curswant = TRUE; 2505 // "n" searches forward now 2506 reset_search_dir(); 2507 } 2508 2509 vim_free(pat); 2510 p_ws = save_p_ws; 2511 p_scs = save_p_scs; 2512 2513 return retval; 2514 } 2515 2516 /* 2517 * Move 'dist' lines in direction 'dir', counting lines by *screen* 2518 * lines rather than lines in the file. 2519 * 'dist' must be positive. 2520 * 2521 * Return OK if able to move cursor, FAIL otherwise. 2522 */ 2523 static int 2524 nv_screengo(oparg_T *oap, int dir, long dist) 2525 { 2526 int linelen = linetabsize(ml_get_curline()); 2527 int retval = OK; 2528 int atend = FALSE; 2529 int n; 2530 int col_off1; // margin offset for first screen line 2531 int col_off2; // margin offset for wrapped screen line 2532 int width1; // text width for first screen line 2533 int width2; // test width for wrapped screen line 2534 2535 oap->motion_type = MCHAR; 2536 oap->inclusive = (curwin->w_curswant == MAXCOL); 2537 2538 col_off1 = curwin_col_off(); 2539 col_off2 = col_off1 - curwin_col_off2(); 2540 width1 = curwin->w_width - col_off1; 2541 width2 = curwin->w_width - col_off2; 2542 if (width2 == 0) 2543 width2 = 1; // avoid divide by zero 2544 2545 if (curwin->w_width != 0) 2546 { 2547 /* 2548 * Instead of sticking at the last character of the buffer line we 2549 * try to stick in the last column of the screen. 2550 */ 2551 if (curwin->w_curswant == MAXCOL) 2552 { 2553 atend = TRUE; 2554 validate_virtcol(); 2555 if (width1 <= 0) 2556 curwin->w_curswant = 0; 2557 else 2558 { 2559 curwin->w_curswant = width1 - 1; 2560 if (curwin->w_virtcol > curwin->w_curswant) 2561 curwin->w_curswant += ((curwin->w_virtcol 2562 - curwin->w_curswant - 1) / width2 + 1) * width2; 2563 } 2564 } 2565 else 2566 { 2567 if (linelen > width1) 2568 n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1; 2569 else 2570 n = width1; 2571 if (curwin->w_curswant >= (colnr_T)n) 2572 curwin->w_curswant = n - 1; 2573 } 2574 2575 while (dist--) 2576 { 2577 if (dir == BACKWARD) 2578 { 2579 if ((long)curwin->w_curswant >= width1 2580 #ifdef FEAT_FOLDING 2581 && !hasFolding(curwin->w_cursor.lnum, NULL, NULL) 2582 #endif 2583 ) 2584 // Move back within the line. This can give a negative value 2585 // for w_curswant if width1 < width2 (with cpoptions+=n), 2586 // which will get clipped to column 0. 2587 curwin->w_curswant -= width2; 2588 else 2589 { 2590 // to previous line 2591 #ifdef FEAT_FOLDING 2592 // Move to the start of a closed fold. Don't do that when 2593 // 'foldopen' contains "all": it will open in a moment. 2594 if (!(fdo_flags & FDO_ALL)) 2595 (void)hasFolding(curwin->w_cursor.lnum, 2596 &curwin->w_cursor.lnum, NULL); 2597 #endif 2598 if (curwin->w_cursor.lnum == 1) 2599 { 2600 retval = FAIL; 2601 break; 2602 } 2603 --curwin->w_cursor.lnum; 2604 2605 linelen = linetabsize(ml_get_curline()); 2606 if (linelen > width1) 2607 curwin->w_curswant += (((linelen - width1 - 1) / width2) 2608 + 1) * width2; 2609 } 2610 } 2611 else // dir == FORWARD 2612 { 2613 if (linelen > width1) 2614 n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1; 2615 else 2616 n = width1; 2617 if (curwin->w_curswant + width2 < (colnr_T)n 2618 #ifdef FEAT_FOLDING 2619 && !hasFolding(curwin->w_cursor.lnum, NULL, NULL) 2620 #endif 2621 ) 2622 // move forward within line 2623 curwin->w_curswant += width2; 2624 else 2625 { 2626 // to next line 2627 #ifdef FEAT_FOLDING 2628 // Move to the end of a closed fold. 2629 (void)hasFolding(curwin->w_cursor.lnum, NULL, 2630 &curwin->w_cursor.lnum); 2631 #endif 2632 if (curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count) 2633 { 2634 retval = FAIL; 2635 break; 2636 } 2637 curwin->w_cursor.lnum++; 2638 curwin->w_curswant %= width2; 2639 // Check if the cursor has moved below the number display 2640 // when width1 < width2 (with cpoptions+=n). Subtract width2 2641 // to get a negative value for w_curswant, which will get 2642 // clipped to column 0. 2643 if (curwin->w_curswant >= width1) 2644 curwin->w_curswant -= width2; 2645 linelen = linetabsize(ml_get_curline()); 2646 } 2647 } 2648 } 2649 } 2650 2651 if (virtual_active() && atend) 2652 coladvance(MAXCOL); 2653 else 2654 coladvance(curwin->w_curswant); 2655 2656 if (curwin->w_cursor.col > 0 && curwin->w_p_wrap) 2657 { 2658 colnr_T virtcol; 2659 2660 /* 2661 * Check for landing on a character that got split at the end of the 2662 * last line. We want to advance a screenline, not end up in the same 2663 * screenline or move two screenlines. 2664 */ 2665 validate_virtcol(); 2666 virtcol = curwin->w_virtcol; 2667 #if defined(FEAT_LINEBREAK) 2668 if (virtcol > (colnr_T)width1 && *get_showbreak_value(curwin) != NUL) 2669 virtcol -= vim_strsize(get_showbreak_value(curwin)); 2670 #endif 2671 2672 if (virtcol > curwin->w_curswant 2673 && (curwin->w_curswant < (colnr_T)width1 2674 ? (curwin->w_curswant > (colnr_T)width1 / 2) 2675 : ((curwin->w_curswant - width1) % width2 2676 > (colnr_T)width2 / 2))) 2677 --curwin->w_cursor.col; 2678 } 2679 2680 if (atend) 2681 curwin->w_curswant = MAXCOL; // stick in the last column 2682 2683 return retval; 2684 } 2685 2686 /* 2687 * Handle CTRL-E and CTRL-Y commands: scroll a line up or down. 2688 * cap->arg must be TRUE for CTRL-E. 2689 */ 2690 void 2691 nv_scroll_line(cmdarg_T *cap) 2692 { 2693 if (!checkclearop(cap->oap)) 2694 scroll_redraw(cap->arg, cap->count1); 2695 } 2696 2697 /* 2698 * Scroll "count" lines up or down, and redraw. 2699 */ 2700 void 2701 scroll_redraw(int up, long count) 2702 { 2703 linenr_T prev_topline = curwin->w_topline; 2704 #ifdef FEAT_DIFF 2705 int prev_topfill = curwin->w_topfill; 2706 #endif 2707 linenr_T prev_lnum = curwin->w_cursor.lnum; 2708 2709 if (up) 2710 scrollup(count, TRUE); 2711 else 2712 scrolldown(count, TRUE); 2713 if (get_scrolloff_value()) 2714 { 2715 // Adjust the cursor position for 'scrolloff'. Mark w_topline as 2716 // valid, otherwise the screen jumps back at the end of the file. 2717 cursor_correct(); 2718 check_cursor_moved(curwin); 2719 curwin->w_valid |= VALID_TOPLINE; 2720 2721 // If moved back to where we were, at least move the cursor, otherwise 2722 // we get stuck at one position. Don't move the cursor up if the 2723 // first line of the buffer is already on the screen 2724 while (curwin->w_topline == prev_topline 2725 #ifdef FEAT_DIFF 2726 && curwin->w_topfill == prev_topfill 2727 #endif 2728 ) 2729 { 2730 if (up) 2731 { 2732 if (curwin->w_cursor.lnum > prev_lnum 2733 || cursor_down(1L, FALSE) == FAIL) 2734 break; 2735 } 2736 else 2737 { 2738 if (curwin->w_cursor.lnum < prev_lnum 2739 || prev_topline == 1L 2740 || cursor_up(1L, FALSE) == FAIL) 2741 break; 2742 } 2743 // Mark w_topline as valid, otherwise the screen jumps back at the 2744 // end of the file. 2745 check_cursor_moved(curwin); 2746 curwin->w_valid |= VALID_TOPLINE; 2747 } 2748 } 2749 if (curwin->w_cursor.lnum != prev_lnum) 2750 coladvance(curwin->w_curswant); 2751 redraw_later(VALID); 2752 } 2753 2754 /* 2755 * Commands that start with "z". 2756 */ 2757 static void 2758 nv_zet(cmdarg_T *cap) 2759 { 2760 long n; 2761 colnr_T col; 2762 int nchar = cap->nchar; 2763 #ifdef FEAT_FOLDING 2764 long old_fdl = curwin->w_p_fdl; 2765 int old_fen = curwin->w_p_fen; 2766 #endif 2767 #ifdef FEAT_SPELL 2768 int undo = FALSE; 2769 #endif 2770 long siso = get_sidescrolloff_value(); 2771 2772 if (VIM_ISDIGIT(nchar)) 2773 { 2774 /* 2775 * "z123{nchar}": edit the count before obtaining {nchar} 2776 */ 2777 if (checkclearop(cap->oap)) 2778 return; 2779 n = nchar - '0'; 2780 for (;;) 2781 { 2782 #ifdef USE_ON_FLY_SCROLL 2783 dont_scroll = TRUE; // disallow scrolling here 2784 #endif 2785 ++no_mapping; 2786 ++allow_keys; // no mapping for nchar, but allow key codes 2787 nchar = plain_vgetc(); 2788 LANGMAP_ADJUST(nchar, TRUE); 2789 --no_mapping; 2790 --allow_keys; 2791 #ifdef FEAT_CMDL_INFO 2792 (void)add_to_showcmd(nchar); 2793 #endif 2794 if (nchar == K_DEL || nchar == K_KDEL) 2795 n /= 10; 2796 else if (VIM_ISDIGIT(nchar)) 2797 n = n * 10 + (nchar - '0'); 2798 else if (nchar == CAR) 2799 { 2800 #ifdef FEAT_GUI 2801 need_mouse_correct = TRUE; 2802 #endif 2803 win_setheight((int)n); 2804 break; 2805 } 2806 else if (nchar == 'l' 2807 || nchar == 'h' 2808 || nchar == K_LEFT 2809 || nchar == K_RIGHT) 2810 { 2811 cap->count1 = n ? n * cap->count1 : cap->count1; 2812 goto dozet; 2813 } 2814 else 2815 { 2816 clearopbeep(cap->oap); 2817 break; 2818 } 2819 } 2820 cap->oap->op_type = OP_NOP; 2821 return; 2822 } 2823 2824 dozet: 2825 if ( 2826 #ifdef FEAT_FOLDING 2827 // "zf" and "zF" are always an operator, "zd", "zo", "zO", "zc" 2828 // and "zC" only in Visual mode. "zj" and "zk" are motion 2829 // commands. 2830 cap->nchar != 'f' && cap->nchar != 'F' 2831 && !(VIsual_active && vim_strchr((char_u *)"dcCoO", cap->nchar)) 2832 && cap->nchar != 'j' && cap->nchar != 'k' 2833 && 2834 #endif 2835 checkclearop(cap->oap)) 2836 return; 2837 2838 /* 2839 * For "z+", "z<CR>", "zt", "z.", "zz", "z^", "z-", "zb": 2840 * If line number given, set cursor. 2841 */ 2842 if ((vim_strchr((char_u *)"+\r\nt.z^-b", nchar) != NULL) 2843 && cap->count0 2844 && cap->count0 != curwin->w_cursor.lnum) 2845 { 2846 setpcmark(); 2847 if (cap->count0 > curbuf->b_ml.ml_line_count) 2848 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; 2849 else 2850 curwin->w_cursor.lnum = cap->count0; 2851 check_cursor_col(); 2852 } 2853 2854 switch (nchar) 2855 { 2856 // "z+", "z<CR>" and "zt": put cursor at top of screen 2857 case '+': 2858 if (cap->count0 == 0) 2859 { 2860 // No count given: put cursor at the line below screen 2861 validate_botline(); // make sure w_botline is valid 2862 if (curwin->w_botline > curbuf->b_ml.ml_line_count) 2863 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; 2864 else 2865 curwin->w_cursor.lnum = curwin->w_botline; 2866 } 2867 // FALLTHROUGH 2868 case NL: 2869 case CAR: 2870 case K_KENTER: 2871 beginline(BL_WHITE | BL_FIX); 2872 // FALLTHROUGH 2873 2874 case 't': scroll_cursor_top(0, TRUE); 2875 redraw_later(VALID); 2876 set_fraction(curwin); 2877 break; 2878 2879 // "z." and "zz": put cursor in middle of screen 2880 case '.': beginline(BL_WHITE | BL_FIX); 2881 // FALLTHROUGH 2882 2883 case 'z': scroll_cursor_halfway(TRUE); 2884 redraw_later(VALID); 2885 set_fraction(curwin); 2886 break; 2887 2888 // "z^", "z-" and "zb": put cursor at bottom of screen 2889 case '^': // Strange Vi behavior: <count>z^ finds line at top of window 2890 // when <count> is at bottom of window, and puts that one at 2891 // bottom of window. 2892 if (cap->count0 != 0) 2893 { 2894 scroll_cursor_bot(0, TRUE); 2895 curwin->w_cursor.lnum = curwin->w_topline; 2896 } 2897 else if (curwin->w_topline == 1) 2898 curwin->w_cursor.lnum = 1; 2899 else 2900 curwin->w_cursor.lnum = curwin->w_topline - 1; 2901 // FALLTHROUGH 2902 case '-': 2903 beginline(BL_WHITE | BL_FIX); 2904 // FALLTHROUGH 2905 2906 case 'b': scroll_cursor_bot(0, TRUE); 2907 redraw_later(VALID); 2908 set_fraction(curwin); 2909 break; 2910 2911 // "zH" - scroll screen right half-page 2912 case 'H': 2913 cap->count1 *= curwin->w_width / 2; 2914 // FALLTHROUGH 2915 2916 // "zh" - scroll screen to the right 2917 case 'h': 2918 case K_LEFT: 2919 if (!curwin->w_p_wrap) 2920 { 2921 if ((colnr_T)cap->count1 > curwin->w_leftcol) 2922 curwin->w_leftcol = 0; 2923 else 2924 curwin->w_leftcol -= (colnr_T)cap->count1; 2925 leftcol_changed(); 2926 } 2927 break; 2928 2929 // "zL" - scroll screen left half-page 2930 case 'L': cap->count1 *= curwin->w_width / 2; 2931 // FALLTHROUGH 2932 2933 // "zl" - scroll screen to the left 2934 case 'l': 2935 case K_RIGHT: 2936 if (!curwin->w_p_wrap) 2937 { 2938 // scroll the window left 2939 curwin->w_leftcol += (colnr_T)cap->count1; 2940 leftcol_changed(); 2941 } 2942 break; 2943 2944 // "zs" - scroll screen, cursor at the start 2945 case 's': if (!curwin->w_p_wrap) 2946 { 2947 #ifdef FEAT_FOLDING 2948 if (hasFolding(curwin->w_cursor.lnum, NULL, NULL)) 2949 col = 0; // like the cursor is in col 0 2950 else 2951 #endif 2952 getvcol(curwin, &curwin->w_cursor, &col, NULL, NULL); 2953 if ((long)col > siso) 2954 col -= siso; 2955 else 2956 col = 0; 2957 if (curwin->w_leftcol != col) 2958 { 2959 curwin->w_leftcol = col; 2960 redraw_later(NOT_VALID); 2961 } 2962 } 2963 break; 2964 2965 // "ze" - scroll screen, cursor at the end 2966 case 'e': if (!curwin->w_p_wrap) 2967 { 2968 #ifdef FEAT_FOLDING 2969 if (hasFolding(curwin->w_cursor.lnum, NULL, NULL)) 2970 col = 0; // like the cursor is in col 0 2971 else 2972 #endif 2973 getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col); 2974 n = curwin->w_width - curwin_col_off(); 2975 if ((long)col + siso < n) 2976 col = 0; 2977 else 2978 col = col + siso - n + 1; 2979 if (curwin->w_leftcol != col) 2980 { 2981 curwin->w_leftcol = col; 2982 redraw_later(NOT_VALID); 2983 } 2984 } 2985 break; 2986 2987 // "zp", "zP" in block mode put without addind trailing spaces 2988 case 'P': 2989 case 'p': nv_put(cap); 2990 break; 2991 // "zy" Yank without trailing spaces 2992 case 'y': nv_operator(cap); 2993 break; 2994 #ifdef FEAT_FOLDING 2995 // "zF": create fold command 2996 // "zf": create fold operator 2997 case 'F': 2998 case 'f': if (foldManualAllowed(TRUE)) 2999 { 3000 cap->nchar = 'f'; 3001 nv_operator(cap); 3002 curwin->w_p_fen = TRUE; 3003 3004 // "zF" is like "zfzf" 3005 if (nchar == 'F' && cap->oap->op_type == OP_FOLD) 3006 { 3007 nv_operator(cap); 3008 finish_op = TRUE; 3009 } 3010 } 3011 else 3012 clearopbeep(cap->oap); 3013 break; 3014 3015 // "zd": delete fold at cursor 3016 // "zD": delete fold at cursor recursively 3017 case 'd': 3018 case 'D': if (foldManualAllowed(FALSE)) 3019 { 3020 if (VIsual_active) 3021 nv_operator(cap); 3022 else 3023 deleteFold(curwin->w_cursor.lnum, 3024 curwin->w_cursor.lnum, nchar == 'D', FALSE); 3025 } 3026 break; 3027 3028 // "zE": erase all folds 3029 case 'E': if (foldmethodIsManual(curwin)) 3030 { 3031 clearFolding(curwin); 3032 changed_window_setting(); 3033 } 3034 else if (foldmethodIsMarker(curwin)) 3035 deleteFold((linenr_T)1, curbuf->b_ml.ml_line_count, 3036 TRUE, FALSE); 3037 else 3038 emsg(_("E352: Cannot erase folds with current 'foldmethod'")); 3039 break; 3040 3041 // "zn": fold none: reset 'foldenable' 3042 case 'n': curwin->w_p_fen = FALSE; 3043 break; 3044 3045 // "zN": fold Normal: set 'foldenable' 3046 case 'N': curwin->w_p_fen = TRUE; 3047 break; 3048 3049 // "zi": invert folding: toggle 'foldenable' 3050 case 'i': curwin->w_p_fen = !curwin->w_p_fen; 3051 break; 3052 3053 // "za": open closed fold or close open fold at cursor 3054 case 'a': if (hasFolding(curwin->w_cursor.lnum, NULL, NULL)) 3055 openFold(curwin->w_cursor.lnum, cap->count1); 3056 else 3057 { 3058 closeFold(curwin->w_cursor.lnum, cap->count1); 3059 curwin->w_p_fen = TRUE; 3060 } 3061 break; 3062 3063 // "zA": open fold at cursor recursively 3064 case 'A': if (hasFolding(curwin->w_cursor.lnum, NULL, NULL)) 3065 openFoldRecurse(curwin->w_cursor.lnum); 3066 else 3067 { 3068 closeFoldRecurse(curwin->w_cursor.lnum); 3069 curwin->w_p_fen = TRUE; 3070 } 3071 break; 3072 3073 // "zo": open fold at cursor or Visual area 3074 case 'o': if (VIsual_active) 3075 nv_operator(cap); 3076 else 3077 openFold(curwin->w_cursor.lnum, cap->count1); 3078 break; 3079 3080 // "zO": open fold recursively 3081 case 'O': if (VIsual_active) 3082 nv_operator(cap); 3083 else 3084 openFoldRecurse(curwin->w_cursor.lnum); 3085 break; 3086 3087 // "zc": close fold at cursor or Visual area 3088 case 'c': if (VIsual_active) 3089 nv_operator(cap); 3090 else 3091 closeFold(curwin->w_cursor.lnum, cap->count1); 3092 curwin->w_p_fen = TRUE; 3093 break; 3094 3095 // "zC": close fold recursively 3096 case 'C': if (VIsual_active) 3097 nv_operator(cap); 3098 else 3099 closeFoldRecurse(curwin->w_cursor.lnum); 3100 curwin->w_p_fen = TRUE; 3101 break; 3102 3103 // "zv": open folds at the cursor 3104 case 'v': foldOpenCursor(); 3105 break; 3106 3107 // "zx": re-apply 'foldlevel' and open folds at the cursor 3108 case 'x': curwin->w_p_fen = TRUE; 3109 curwin->w_foldinvalid = TRUE; // recompute folds 3110 newFoldLevel(); // update right now 3111 foldOpenCursor(); 3112 break; 3113 3114 // "zX": undo manual opens/closes, re-apply 'foldlevel' 3115 case 'X': curwin->w_p_fen = TRUE; 3116 curwin->w_foldinvalid = TRUE; // recompute folds 3117 old_fdl = -1; // force an update 3118 break; 3119 3120 // "zm": fold more 3121 case 'm': if (curwin->w_p_fdl > 0) 3122 { 3123 curwin->w_p_fdl -= cap->count1; 3124 if (curwin->w_p_fdl < 0) 3125 curwin->w_p_fdl = 0; 3126 } 3127 old_fdl = -1; // force an update 3128 curwin->w_p_fen = TRUE; 3129 break; 3130 3131 // "zM": close all folds 3132 case 'M': curwin->w_p_fdl = 0; 3133 old_fdl = -1; // force an update 3134 curwin->w_p_fen = TRUE; 3135 break; 3136 3137 // "zr": reduce folding 3138 case 'r': curwin->w_p_fdl += cap->count1; 3139 { 3140 int d = getDeepestNesting(); 3141 3142 if (curwin->w_p_fdl >= d) 3143 curwin->w_p_fdl = d; 3144 } 3145 break; 3146 3147 // "zR": open all folds 3148 case 'R': curwin->w_p_fdl = getDeepestNesting(); 3149 old_fdl = -1; // force an update 3150 break; 3151 3152 case 'j': // "zj" move to next fold downwards 3153 case 'k': // "zk" move to next fold upwards 3154 if (foldMoveTo(TRUE, nchar == 'j' ? FORWARD : BACKWARD, 3155 cap->count1) == FAIL) 3156 clearopbeep(cap->oap); 3157 break; 3158 3159 #endif // FEAT_FOLDING 3160 3161 #ifdef FEAT_SPELL 3162 case 'u': // "zug" and "zuw": undo "zg" and "zw" 3163 ++no_mapping; 3164 ++allow_keys; // no mapping for nchar, but allow key codes 3165 nchar = plain_vgetc(); 3166 LANGMAP_ADJUST(nchar, TRUE); 3167 --no_mapping; 3168 --allow_keys; 3169 #ifdef FEAT_CMDL_INFO 3170 (void)add_to_showcmd(nchar); 3171 #endif 3172 if (vim_strchr((char_u *)"gGwW", nchar) == NULL) 3173 { 3174 clearopbeep(cap->oap); 3175 break; 3176 } 3177 undo = TRUE; 3178 // FALLTHROUGH 3179 3180 case 'g': // "zg": add good word to word list 3181 case 'w': // "zw": add wrong word to word list 3182 case 'G': // "zG": add good word to temp word list 3183 case 'W': // "zW": add wrong word to temp word list 3184 { 3185 char_u *ptr = NULL; 3186 int len; 3187 3188 if (checkclearop(cap->oap)) 3189 break; 3190 if (VIsual_active && get_visual_text(cap, &ptr, &len) 3191 == FAIL) 3192 return; 3193 if (ptr == NULL) 3194 { 3195 pos_T pos = curwin->w_cursor; 3196 3197 // Find bad word under the cursor. When 'spell' is 3198 // off this fails and find_ident_under_cursor() is 3199 // used below. 3200 emsg_off++; 3201 len = spell_move_to(curwin, FORWARD, TRUE, TRUE, NULL); 3202 emsg_off--; 3203 if (len != 0 && curwin->w_cursor.col <= pos.col) 3204 ptr = ml_get_pos(&curwin->w_cursor); 3205 curwin->w_cursor = pos; 3206 } 3207 3208 if (ptr == NULL && (len = find_ident_under_cursor(&ptr, 3209 FIND_IDENT)) == 0) 3210 return; 3211 spell_add_word(ptr, len, nchar == 'w' || nchar == 'W' 3212 ? SPELL_ADD_BAD : SPELL_ADD_GOOD, 3213 (nchar == 'G' || nchar == 'W') 3214 ? 0 : (int)cap->count1, 3215 undo); 3216 } 3217 break; 3218 3219 case '=': // "z=": suggestions for a badly spelled word 3220 if (!checkclearop(cap->oap)) 3221 spell_suggest((int)cap->count0); 3222 break; 3223 #endif 3224 3225 default: clearopbeep(cap->oap); 3226 } 3227 3228 #ifdef FEAT_FOLDING 3229 // Redraw when 'foldenable' changed 3230 if (old_fen != curwin->w_p_fen) 3231 { 3232 # ifdef FEAT_DIFF 3233 win_T *wp; 3234 3235 if (foldmethodIsDiff(curwin) && curwin->w_p_scb) 3236 { 3237 // Adjust 'foldenable' in diff-synced windows. 3238 FOR_ALL_WINDOWS(wp) 3239 { 3240 if (wp != curwin && foldmethodIsDiff(wp) && wp->w_p_scb) 3241 { 3242 wp->w_p_fen = curwin->w_p_fen; 3243 changed_window_setting_win(wp); 3244 } 3245 } 3246 } 3247 # endif 3248 changed_window_setting(); 3249 } 3250 3251 // Redraw when 'foldlevel' changed. 3252 if (old_fdl != curwin->w_p_fdl) 3253 newFoldLevel(); 3254 #endif 3255 } 3256 3257 #ifdef FEAT_GUI 3258 /* 3259 * Vertical scrollbar movement. 3260 */ 3261 static void 3262 nv_ver_scrollbar(cmdarg_T *cap) 3263 { 3264 if (cap->oap->op_type != OP_NOP) 3265 clearopbeep(cap->oap); 3266 3267 // Even if an operator was pending, we still want to scroll 3268 gui_do_scroll(); 3269 } 3270 3271 /* 3272 * Horizontal scrollbar movement. 3273 */ 3274 static void 3275 nv_hor_scrollbar(cmdarg_T *cap) 3276 { 3277 if (cap->oap->op_type != OP_NOP) 3278 clearopbeep(cap->oap); 3279 3280 // Even if an operator was pending, we still want to scroll 3281 gui_do_horiz_scroll(scrollbar_value, FALSE); 3282 } 3283 #endif 3284 3285 #if defined(FEAT_GUI_TABLINE) || defined(PROTO) 3286 /* 3287 * Click in GUI tab. 3288 */ 3289 static void 3290 nv_tabline(cmdarg_T *cap) 3291 { 3292 if (cap->oap->op_type != OP_NOP) 3293 clearopbeep(cap->oap); 3294 3295 // Even if an operator was pending, we still want to jump tabs. 3296 goto_tabpage(current_tab); 3297 } 3298 3299 /* 3300 * Selected item in tab line menu. 3301 */ 3302 static void 3303 nv_tabmenu(cmdarg_T *cap) 3304 { 3305 if (cap->oap->op_type != OP_NOP) 3306 clearopbeep(cap->oap); 3307 3308 // Even if an operator was pending, we still want to jump tabs. 3309 handle_tabmenu(); 3310 } 3311 3312 /* 3313 * Handle selecting an item of the GUI tab line menu. 3314 * Used in Normal and Insert mode. 3315 */ 3316 void 3317 handle_tabmenu(void) 3318 { 3319 switch (current_tabmenu) 3320 { 3321 case TABLINE_MENU_CLOSE: 3322 if (current_tab == 0) 3323 do_cmdline_cmd((char_u *)"tabclose"); 3324 else 3325 { 3326 vim_snprintf((char *)IObuff, IOSIZE, "tabclose %d", 3327 current_tab); 3328 do_cmdline_cmd(IObuff); 3329 } 3330 break; 3331 3332 case TABLINE_MENU_NEW: 3333 if (current_tab == 0) 3334 do_cmdline_cmd((char_u *)"$tabnew"); 3335 else 3336 { 3337 vim_snprintf((char *)IObuff, IOSIZE, "%dtabnew", 3338 current_tab - 1); 3339 do_cmdline_cmd(IObuff); 3340 } 3341 break; 3342 3343 case TABLINE_MENU_OPEN: 3344 if (current_tab == 0) 3345 do_cmdline_cmd((char_u *)"browse $tabnew"); 3346 else 3347 { 3348 vim_snprintf((char *)IObuff, IOSIZE, "browse %dtabnew", 3349 current_tab - 1); 3350 do_cmdline_cmd(IObuff); 3351 } 3352 break; 3353 } 3354 } 3355 #endif 3356 3357 /* 3358 * "Q" command. 3359 */ 3360 static void 3361 nv_exmode(cmdarg_T *cap) 3362 { 3363 /* 3364 * Ignore 'Q' in Visual mode, just give a beep. 3365 */ 3366 if (VIsual_active) 3367 vim_beep(BO_EX); 3368 else if (!checkclearop(cap->oap)) 3369 do_exmode(FALSE); 3370 } 3371 3372 /* 3373 * Handle a ":" command. 3374 */ 3375 static void 3376 nv_colon(cmdarg_T *cap) 3377 { 3378 int old_p_im; 3379 int cmd_result; 3380 int is_cmdkey = cap->cmdchar == K_COMMAND; 3381 3382 if (VIsual_active && !is_cmdkey) 3383 nv_operator(cap); 3384 else 3385 { 3386 if (cap->oap->op_type != OP_NOP) 3387 { 3388 // Using ":" as a movement is characterwise exclusive. 3389 cap->oap->motion_type = MCHAR; 3390 cap->oap->inclusive = FALSE; 3391 } 3392 else if (cap->count0 && !is_cmdkey) 3393 { 3394 // translate "count:" into ":.,.+(count - 1)" 3395 stuffcharReadbuff('.'); 3396 if (cap->count0 > 1) 3397 { 3398 stuffReadbuff((char_u *)",.+"); 3399 stuffnumReadbuff((long)cap->count0 - 1L); 3400 } 3401 } 3402 3403 // When typing, don't type below an old message 3404 if (KeyTyped) 3405 compute_cmdrow(); 3406 3407 old_p_im = p_im; 3408 3409 // get a command line and execute it 3410 cmd_result = do_cmdline(NULL, is_cmdkey ? getcmdkeycmd : getexline, NULL, 3411 cap->oap->op_type != OP_NOP ? DOCMD_KEEPLINE : 0); 3412 3413 // If 'insertmode' changed, enter or exit Insert mode 3414 if (p_im != old_p_im) 3415 { 3416 if (p_im) 3417 restart_edit = 'i'; 3418 else 3419 restart_edit = 0; 3420 } 3421 3422 if (cmd_result == FAIL) 3423 // The Ex command failed, do not execute the operator. 3424 clearop(cap->oap); 3425 else if (cap->oap->op_type != OP_NOP 3426 && (cap->oap->start.lnum > curbuf->b_ml.ml_line_count 3427 || cap->oap->start.col > 3428 (colnr_T)STRLEN(ml_get(cap->oap->start.lnum)) 3429 || did_emsg 3430 )) 3431 // The start of the operator has become invalid by the Ex command. 3432 clearopbeep(cap->oap); 3433 } 3434 } 3435 3436 /* 3437 * Handle CTRL-G command. 3438 */ 3439 static void 3440 nv_ctrlg(cmdarg_T *cap) 3441 { 3442 if (VIsual_active) // toggle Selection/Visual mode 3443 { 3444 VIsual_select = !VIsual_select; 3445 trigger_modechanged(); 3446 showmode(); 3447 } 3448 else if (!checkclearop(cap->oap)) 3449 // print full name if count given or :cd used 3450 fileinfo((int)cap->count0, FALSE, TRUE); 3451 } 3452 3453 /* 3454 * Handle CTRL-H <Backspace> command. 3455 */ 3456 static void 3457 nv_ctrlh(cmdarg_T *cap) 3458 { 3459 if (VIsual_active && VIsual_select) 3460 { 3461 cap->cmdchar = 'x'; // BS key behaves like 'x' in Select mode 3462 v_visop(cap); 3463 } 3464 else 3465 nv_left(cap); 3466 } 3467 3468 /* 3469 * CTRL-L: clear screen and redraw. 3470 */ 3471 static void 3472 nv_clear(cmdarg_T *cap) 3473 { 3474 if (!checkclearop(cap->oap)) 3475 { 3476 #ifdef FEAT_SYN_HL 3477 // Clear all syntax states to force resyncing. 3478 syn_stack_free_all(curwin->w_s); 3479 # ifdef FEAT_RELTIME 3480 { 3481 win_T *wp; 3482 3483 FOR_ALL_WINDOWS(wp) 3484 wp->w_s->b_syn_slow = FALSE; 3485 } 3486 # endif 3487 #endif 3488 redraw_later(CLEAR); 3489 #if defined(MSWIN) && (!defined(FEAT_GUI_MSWIN) || defined(VIMDLL)) 3490 # ifdef VIMDLL 3491 if (!gui.in_use) 3492 # endif 3493 resize_console_buf(); 3494 #endif 3495 } 3496 } 3497 3498 /* 3499 * CTRL-O: In Select mode: switch to Visual mode for one command. 3500 * Otherwise: Go to older pcmark. 3501 */ 3502 static void 3503 nv_ctrlo(cmdarg_T *cap) 3504 { 3505 if (VIsual_active && VIsual_select) 3506 { 3507 VIsual_select = FALSE; 3508 trigger_modechanged(); 3509 showmode(); 3510 restart_VIsual_select = 2; // restart Select mode later 3511 } 3512 else 3513 { 3514 cap->count1 = -cap->count1; 3515 nv_pcmark(cap); 3516 } 3517 } 3518 3519 /* 3520 * CTRL-^ command, short for ":e #". Works even when the alternate buffer is 3521 * not named. 3522 */ 3523 static void 3524 nv_hat(cmdarg_T *cap) 3525 { 3526 if (!checkclearopq(cap->oap)) 3527 (void)buflist_getfile((int)cap->count0, (linenr_T)0, 3528 GETF_SETMARK|GETF_ALT, FALSE); 3529 } 3530 3531 /* 3532 * "Z" commands. 3533 */ 3534 static void 3535 nv_Zet(cmdarg_T *cap) 3536 { 3537 if (!checkclearopq(cap->oap)) 3538 { 3539 switch (cap->nchar) 3540 { 3541 // "ZZ": equivalent to ":x". 3542 case 'Z': do_cmdline_cmd((char_u *)"x"); 3543 break; 3544 3545 // "ZQ": equivalent to ":q!" (Elvis compatible). 3546 case 'Q': do_cmdline_cmd((char_u *)"q!"); 3547 break; 3548 3549 default: clearopbeep(cap->oap); 3550 } 3551 } 3552 } 3553 3554 /* 3555 * Call nv_ident() as if "c1" was used, with "c2" as next character. 3556 */ 3557 void 3558 do_nv_ident(int c1, int c2) 3559 { 3560 oparg_T oa; 3561 cmdarg_T ca; 3562 3563 clear_oparg(&oa); 3564 CLEAR_FIELD(ca); 3565 ca.oap = &oa; 3566 ca.cmdchar = c1; 3567 ca.nchar = c2; 3568 nv_ident(&ca); 3569 } 3570 3571 /* 3572 * Handle the commands that use the word under the cursor. 3573 * [g] CTRL-] :ta to current identifier 3574 * [g] 'K' run program for current identifier 3575 * [g] '*' / to current identifier or string 3576 * [g] '#' ? to current identifier or string 3577 * g ']' :tselect for current identifier 3578 */ 3579 static void 3580 nv_ident(cmdarg_T *cap) 3581 { 3582 char_u *ptr = NULL; 3583 char_u *buf; 3584 unsigned buflen; 3585 char_u *newbuf; 3586 char_u *p; 3587 char_u *kp; // value of 'keywordprg' 3588 int kp_help; // 'keywordprg' is ":he" 3589 int kp_ex; // 'keywordprg' starts with ":" 3590 int n = 0; // init for GCC 3591 int cmdchar; 3592 int g_cmd; // "g" command 3593 int tag_cmd = FALSE; 3594 char_u *aux_ptr; 3595 int isman; 3596 int isman_s; 3597 3598 if (cap->cmdchar == 'g') // "g*", "g#", "g]" and "gCTRL-]" 3599 { 3600 cmdchar = cap->nchar; 3601 g_cmd = TRUE; 3602 } 3603 else 3604 { 3605 cmdchar = cap->cmdchar; 3606 g_cmd = FALSE; 3607 } 3608 3609 if (cmdchar == POUND) // the pound sign, '#' for English keyboards 3610 cmdchar = '#'; 3611 3612 /* 3613 * The "]", "CTRL-]" and "K" commands accept an argument in Visual mode. 3614 */ 3615 if (cmdchar == ']' || cmdchar == Ctrl_RSB || cmdchar == 'K') 3616 { 3617 if (VIsual_active && get_visual_text(cap, &ptr, &n) == FAIL) 3618 return; 3619 if (checkclearopq(cap->oap)) 3620 return; 3621 } 3622 3623 if (ptr == NULL && (n = find_ident_under_cursor(&ptr, 3624 (cmdchar == '*' || cmdchar == '#') 3625 ? FIND_IDENT|FIND_STRING : FIND_IDENT)) == 0) 3626 { 3627 clearop(cap->oap); 3628 return; 3629 } 3630 3631 // Allocate buffer to put the command in. Inserting backslashes can 3632 // double the length of the word. p_kp / curbuf->b_p_kp could be added 3633 // and some numbers. 3634 kp = (*curbuf->b_p_kp == NUL ? p_kp : curbuf->b_p_kp); 3635 kp_help = (*kp == NUL || STRCMP(kp, ":he") == 0 3636 || STRCMP(kp, ":help") == 0); 3637 if (kp_help && *skipwhite(ptr) == NUL) 3638 { 3639 emsg(_(e_noident)); // found white space only 3640 return; 3641 } 3642 kp_ex = (*kp == ':'); 3643 buflen = (unsigned)(n * 2 + 30 + STRLEN(kp)); 3644 buf = alloc(buflen); 3645 if (buf == NULL) 3646 return; 3647 buf[0] = NUL; 3648 3649 switch (cmdchar) 3650 { 3651 case '*': 3652 case '#': 3653 /* 3654 * Put cursor at start of word, makes search skip the word 3655 * under the cursor. 3656 * Call setpcmark() first, so "*``" puts the cursor back where 3657 * it was. 3658 */ 3659 setpcmark(); 3660 curwin->w_cursor.col = (colnr_T) (ptr - ml_get_curline()); 3661 3662 if (!g_cmd && vim_iswordp(ptr)) 3663 STRCPY(buf, "\\<"); 3664 no_smartcase = TRUE; // don't use 'smartcase' now 3665 break; 3666 3667 case 'K': 3668 if (kp_help) 3669 STRCPY(buf, "he! "); 3670 else if (kp_ex) 3671 { 3672 if (cap->count0 != 0) 3673 vim_snprintf((char *)buf, buflen, "%s %ld", 3674 kp, cap->count0); 3675 else 3676 STRCPY(buf, kp); 3677 STRCAT(buf, " "); 3678 } 3679 else 3680 { 3681 // An external command will probably use an argument starting 3682 // with "-" as an option. To avoid trouble we skip the "-". 3683 while (*ptr == '-' && n > 0) 3684 { 3685 ++ptr; 3686 --n; 3687 } 3688 if (n == 0) 3689 { 3690 emsg(_(e_noident)); // found dashes only 3691 vim_free(buf); 3692 return; 3693 } 3694 3695 // When a count is given, turn it into a range. Is this 3696 // really what we want? 3697 isman = (STRCMP(kp, "man") == 0); 3698 isman_s = (STRCMP(kp, "man -s") == 0); 3699 if (cap->count0 != 0 && !(isman || isman_s)) 3700 sprintf((char *)buf, ".,.+%ld", cap->count0 - 1); 3701 3702 STRCAT(buf, "! "); 3703 if (cap->count0 == 0 && isman_s) 3704 STRCAT(buf, "man"); 3705 else 3706 STRCAT(buf, kp); 3707 STRCAT(buf, " "); 3708 if (cap->count0 != 0 && (isman || isman_s)) 3709 { 3710 sprintf((char *)buf + STRLEN(buf), "%ld", cap->count0); 3711 STRCAT(buf, " "); 3712 } 3713 } 3714 break; 3715 3716 case ']': 3717 tag_cmd = TRUE; 3718 #ifdef FEAT_CSCOPE 3719 if (p_cst) 3720 STRCPY(buf, "cstag "); 3721 else 3722 #endif 3723 STRCPY(buf, "ts "); 3724 break; 3725 3726 default: 3727 tag_cmd = TRUE; 3728 if (curbuf->b_help) 3729 STRCPY(buf, "he! "); 3730 else 3731 { 3732 if (g_cmd) 3733 STRCPY(buf, "tj "); 3734 else if (cap->count0 == 0) 3735 STRCPY(buf, "ta "); 3736 else 3737 sprintf((char *)buf, ":%ldta ", cap->count0); 3738 } 3739 } 3740 3741 /* 3742 * Now grab the chars in the identifier 3743 */ 3744 if (cmdchar == 'K' && !kp_help) 3745 { 3746 ptr = vim_strnsave(ptr, n); 3747 if (kp_ex) 3748 // Escape the argument properly for an Ex command 3749 p = vim_strsave_fnameescape(ptr, VSE_NONE); 3750 else 3751 // Escape the argument properly for a shell command 3752 p = vim_strsave_shellescape(ptr, TRUE, TRUE); 3753 vim_free(ptr); 3754 if (p == NULL) 3755 { 3756 vim_free(buf); 3757 return; 3758 } 3759 newbuf = vim_realloc(buf, STRLEN(buf) + STRLEN(p) + 1); 3760 if (newbuf == NULL) 3761 { 3762 vim_free(buf); 3763 vim_free(p); 3764 return; 3765 } 3766 buf = newbuf; 3767 STRCAT(buf, p); 3768 vim_free(p); 3769 } 3770 else 3771 { 3772 if (cmdchar == '*') 3773 aux_ptr = (char_u *)(magic_isset() ? "/.*~[^$\\" : "/^$\\"); 3774 else if (cmdchar == '#') 3775 aux_ptr = (char_u *)(magic_isset() ? "/?.*~[^$\\" : "/?^$\\"); 3776 else if (tag_cmd) 3777 { 3778 if (curbuf->b_help) 3779 // ":help" handles unescaped argument 3780 aux_ptr = (char_u *)""; 3781 else 3782 aux_ptr = (char_u *)"\\|\"\n["; 3783 } 3784 else 3785 aux_ptr = (char_u *)"\\|\"\n*?["; 3786 3787 p = buf + STRLEN(buf); 3788 while (n-- > 0) 3789 { 3790 // put a backslash before \ and some others 3791 if (vim_strchr(aux_ptr, *ptr) != NULL) 3792 *p++ = '\\'; 3793 // When current byte is a part of multibyte character, copy all 3794 // bytes of that character. 3795 if (has_mbyte) 3796 { 3797 int i; 3798 int len = (*mb_ptr2len)(ptr) - 1; 3799 3800 for (i = 0; i < len && n >= 1; ++i, --n) 3801 *p++ = *ptr++; 3802 } 3803 *p++ = *ptr++; 3804 } 3805 *p = NUL; 3806 } 3807 3808 /* 3809 * Execute the command. 3810 */ 3811 if (cmdchar == '*' || cmdchar == '#') 3812 { 3813 if (!g_cmd && (has_mbyte 3814 ? vim_iswordp(mb_prevptr(ml_get_curline(), ptr)) 3815 : vim_iswordc(ptr[-1]))) 3816 STRCAT(buf, "\\>"); 3817 3818 // put pattern in search history 3819 init_history(); 3820 add_to_history(HIST_SEARCH, buf, TRUE, NUL); 3821 3822 (void)normal_search(cap, cmdchar == '*' ? '/' : '?', buf, 0, NULL); 3823 } 3824 else 3825 { 3826 g_tag_at_cursor = TRUE; 3827 do_cmdline_cmd(buf); 3828 g_tag_at_cursor = FALSE; 3829 } 3830 3831 vim_free(buf); 3832 } 3833 3834 /* 3835 * Get visually selected text, within one line only. 3836 * Returns FAIL if more than one line selected. 3837 */ 3838 int 3839 get_visual_text( 3840 cmdarg_T *cap, 3841 char_u **pp, // return: start of selected text 3842 int *lenp) // return: length of selected text 3843 { 3844 if (VIsual_mode != 'V') 3845 unadjust_for_sel(); 3846 if (VIsual.lnum != curwin->w_cursor.lnum) 3847 { 3848 if (cap != NULL) 3849 clearopbeep(cap->oap); 3850 return FAIL; 3851 } 3852 if (VIsual_mode == 'V') 3853 { 3854 *pp = ml_get_curline(); 3855 *lenp = (int)STRLEN(*pp); 3856 } 3857 else 3858 { 3859 if (LT_POS(curwin->w_cursor, VIsual)) 3860 { 3861 *pp = ml_get_pos(&curwin->w_cursor); 3862 *lenp = VIsual.col - curwin->w_cursor.col + 1; 3863 } 3864 else 3865 { 3866 *pp = ml_get_pos(&VIsual); 3867 *lenp = curwin->w_cursor.col - VIsual.col + 1; 3868 } 3869 if (has_mbyte) 3870 // Correct the length to include the whole last character. 3871 *lenp += (*mb_ptr2len)(*pp + (*lenp - 1)) - 1; 3872 } 3873 reset_VIsual_and_resel(); 3874 return OK; 3875 } 3876 3877 /* 3878 * CTRL-T: backwards in tag stack 3879 */ 3880 static void 3881 nv_tagpop(cmdarg_T *cap) 3882 { 3883 if (!checkclearopq(cap->oap)) 3884 do_tag((char_u *)"", DT_POP, (int)cap->count1, FALSE, TRUE); 3885 } 3886 3887 /* 3888 * Handle scrolling command 'H', 'L' and 'M'. 3889 */ 3890 static void 3891 nv_scroll(cmdarg_T *cap) 3892 { 3893 int used = 0; 3894 long n; 3895 #ifdef FEAT_FOLDING 3896 linenr_T lnum; 3897 #endif 3898 int half; 3899 3900 cap->oap->motion_type = MLINE; 3901 setpcmark(); 3902 3903 if (cap->cmdchar == 'L') 3904 { 3905 validate_botline(); // make sure curwin->w_botline is valid 3906 curwin->w_cursor.lnum = curwin->w_botline - 1; 3907 if (cap->count1 - 1 >= curwin->w_cursor.lnum) 3908 curwin->w_cursor.lnum = 1; 3909 else 3910 { 3911 #ifdef FEAT_FOLDING 3912 if (hasAnyFolding(curwin)) 3913 { 3914 // Count a fold for one screen line. 3915 for (n = cap->count1 - 1; n > 0 3916 && curwin->w_cursor.lnum > curwin->w_topline; --n) 3917 { 3918 (void)hasFolding(curwin->w_cursor.lnum, 3919 &curwin->w_cursor.lnum, NULL); 3920 --curwin->w_cursor.lnum; 3921 } 3922 } 3923 else 3924 #endif 3925 curwin->w_cursor.lnum -= cap->count1 - 1; 3926 } 3927 } 3928 else 3929 { 3930 if (cap->cmdchar == 'M') 3931 { 3932 #ifdef FEAT_DIFF 3933 // Don't count filler lines above the window. 3934 used -= diff_check_fill(curwin, curwin->w_topline) 3935 - curwin->w_topfill; 3936 #endif 3937 validate_botline(); // make sure w_empty_rows is valid 3938 half = (curwin->w_height - curwin->w_empty_rows + 1) / 2; 3939 for (n = 0; curwin->w_topline + n < curbuf->b_ml.ml_line_count; ++n) 3940 { 3941 #ifdef FEAT_DIFF 3942 // Count half he number of filler lines to be "below this 3943 // line" and half to be "above the next line". 3944 if (n > 0 && used + diff_check_fill(curwin, curwin->w_topline 3945 + n) / 2 >= half) 3946 { 3947 --n; 3948 break; 3949 } 3950 #endif 3951 used += plines(curwin->w_topline + n); 3952 if (used >= half) 3953 break; 3954 #ifdef FEAT_FOLDING 3955 if (hasFolding(curwin->w_topline + n, NULL, &lnum)) 3956 n = lnum - curwin->w_topline; 3957 #endif 3958 } 3959 if (n > 0 && used > curwin->w_height) 3960 --n; 3961 } 3962 else // (cap->cmdchar == 'H') 3963 { 3964 n = cap->count1 - 1; 3965 #ifdef FEAT_FOLDING 3966 if (hasAnyFolding(curwin)) 3967 { 3968 // Count a fold for one screen line. 3969 lnum = curwin->w_topline; 3970 while (n-- > 0 && lnum < curwin->w_botline - 1) 3971 { 3972 (void)hasFolding(lnum, NULL, &lnum); 3973 ++lnum; 3974 } 3975 n = lnum - curwin->w_topline; 3976 } 3977 #endif 3978 } 3979 curwin->w_cursor.lnum = curwin->w_topline + n; 3980 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) 3981 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; 3982 } 3983 3984 // Correct for 'so', except when an operator is pending. 3985 if (cap->oap->op_type == OP_NOP) 3986 cursor_correct(); 3987 beginline(BL_SOL | BL_FIX); 3988 } 3989 3990 /* 3991 * Cursor right commands. 3992 */ 3993 static void 3994 nv_right(cmdarg_T *cap) 3995 { 3996 long n; 3997 int past_line; 3998 3999 if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)) 4000 { 4001 // <C-Right> and <S-Right> move a word or WORD right 4002 if (mod_mask & MOD_MASK_CTRL) 4003 cap->arg = TRUE; 4004 nv_wordcmd(cap); 4005 return; 4006 } 4007 4008 cap->oap->motion_type = MCHAR; 4009 cap->oap->inclusive = FALSE; 4010 past_line = (VIsual_active && *p_sel != 'o'); 4011 4012 /* 4013 * In virtual edit mode, there's no such thing as "past_line", as lines 4014 * are (theoretically) infinitely long. 4015 */ 4016 if (virtual_active()) 4017 past_line = 0; 4018 4019 for (n = cap->count1; n > 0; --n) 4020 { 4021 if ((!past_line && oneright() == FAIL) 4022 || (past_line && *ml_get_cursor() == NUL) 4023 ) 4024 { 4025 /* 4026 * <Space> wraps to next line if 'whichwrap' has 's'. 4027 * 'l' wraps to next line if 'whichwrap' has 'l'. 4028 * CURS_RIGHT wraps to next line if 'whichwrap' has '>'. 4029 */ 4030 if ( ((cap->cmdchar == ' ' 4031 && vim_strchr(p_ww, 's') != NULL) 4032 || (cap->cmdchar == 'l' 4033 && vim_strchr(p_ww, 'l') != NULL) 4034 || (cap->cmdchar == K_RIGHT 4035 && vim_strchr(p_ww, '>') != NULL)) 4036 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) 4037 { 4038 // When deleting we also count the NL as a character. 4039 // Set cap->oap->inclusive when last char in the line is 4040 // included, move to next line after that 4041 if ( cap->oap->op_type != OP_NOP 4042 && !cap->oap->inclusive 4043 && !LINEEMPTY(curwin->w_cursor.lnum)) 4044 cap->oap->inclusive = TRUE; 4045 else 4046 { 4047 ++curwin->w_cursor.lnum; 4048 curwin->w_cursor.col = 0; 4049 curwin->w_cursor.coladd = 0; 4050 curwin->w_set_curswant = TRUE; 4051 cap->oap->inclusive = FALSE; 4052 } 4053 continue; 4054 } 4055 if (cap->oap->op_type == OP_NOP) 4056 { 4057 // Only beep and flush if not moved at all 4058 if (n == cap->count1) 4059 beep_flush(); 4060 } 4061 else 4062 { 4063 if (!LINEEMPTY(curwin->w_cursor.lnum)) 4064 cap->oap->inclusive = TRUE; 4065 } 4066 break; 4067 } 4068 else if (past_line) 4069 { 4070 curwin->w_set_curswant = TRUE; 4071 if (virtual_active()) 4072 oneright(); 4073 else 4074 { 4075 if (has_mbyte) 4076 curwin->w_cursor.col += (*mb_ptr2len)(ml_get_cursor()); 4077 else 4078 ++curwin->w_cursor.col; 4079 } 4080 } 4081 } 4082 #ifdef FEAT_FOLDING 4083 if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped 4084 && cap->oap->op_type == OP_NOP) 4085 foldOpenCursor(); 4086 #endif 4087 } 4088 4089 /* 4090 * Cursor left commands. 4091 * 4092 * Returns TRUE when operator end should not be adjusted. 4093 */ 4094 static void 4095 nv_left(cmdarg_T *cap) 4096 { 4097 long n; 4098 4099 if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)) 4100 { 4101 // <C-Left> and <S-Left> move a word or WORD left 4102 if (mod_mask & MOD_MASK_CTRL) 4103 cap->arg = 1; 4104 nv_bck_word(cap); 4105 return; 4106 } 4107 4108 cap->oap->motion_type = MCHAR; 4109 cap->oap->inclusive = FALSE; 4110 for (n = cap->count1; n > 0; --n) 4111 { 4112 if (oneleft() == FAIL) 4113 { 4114 // <BS> and <Del> wrap to previous line if 'whichwrap' has 'b'. 4115 // 'h' wraps to previous line if 'whichwrap' has 'h'. 4116 // CURS_LEFT wraps to previous line if 'whichwrap' has '<'. 4117 if ( (((cap->cmdchar == K_BS 4118 || cap->cmdchar == Ctrl_H) 4119 && vim_strchr(p_ww, 'b') != NULL) 4120 || (cap->cmdchar == 'h' 4121 && vim_strchr(p_ww, 'h') != NULL) 4122 || (cap->cmdchar == K_LEFT 4123 && vim_strchr(p_ww, '<') != NULL)) 4124 && curwin->w_cursor.lnum > 1) 4125 { 4126 --(curwin->w_cursor.lnum); 4127 coladvance((colnr_T)MAXCOL); 4128 curwin->w_set_curswant = TRUE; 4129 4130 // When the NL before the first char has to be deleted we 4131 // put the cursor on the NUL after the previous line. 4132 // This is a very special case, be careful! 4133 // Don't adjust op_end now, otherwise it won't work. 4134 if ( (cap->oap->op_type == OP_DELETE 4135 || cap->oap->op_type == OP_CHANGE) 4136 && !LINEEMPTY(curwin->w_cursor.lnum)) 4137 { 4138 char_u *cp = ml_get_cursor(); 4139 4140 if (*cp != NUL) 4141 { 4142 if (has_mbyte) 4143 curwin->w_cursor.col += (*mb_ptr2len)(cp); 4144 else 4145 ++curwin->w_cursor.col; 4146 } 4147 cap->retval |= CA_NO_ADJ_OP_END; 4148 } 4149 continue; 4150 } 4151 // Only beep and flush if not moved at all 4152 else if (cap->oap->op_type == OP_NOP && n == cap->count1) 4153 beep_flush(); 4154 break; 4155 } 4156 } 4157 #ifdef FEAT_FOLDING 4158 if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped 4159 && cap->oap->op_type == OP_NOP) 4160 foldOpenCursor(); 4161 #endif 4162 } 4163 4164 /* 4165 * Cursor up commands. 4166 * cap->arg is TRUE for "-": Move cursor to first non-blank. 4167 */ 4168 static void 4169 nv_up(cmdarg_T *cap) 4170 { 4171 if (mod_mask & MOD_MASK_SHIFT) 4172 { 4173 // <S-Up> is page up 4174 cap->arg = BACKWARD; 4175 nv_page(cap); 4176 } 4177 else 4178 { 4179 cap->oap->motion_type = MLINE; 4180 if (cursor_up(cap->count1, cap->oap->op_type == OP_NOP) == FAIL) 4181 clearopbeep(cap->oap); 4182 else if (cap->arg) 4183 beginline(BL_WHITE | BL_FIX); 4184 } 4185 } 4186 4187 /* 4188 * Cursor down commands. 4189 * cap->arg is TRUE for CR and "+": Move cursor to first non-blank. 4190 */ 4191 static void 4192 nv_down(cmdarg_T *cap) 4193 { 4194 if (mod_mask & MOD_MASK_SHIFT) 4195 { 4196 // <S-Down> is page down 4197 cap->arg = FORWARD; 4198 nv_page(cap); 4199 } 4200 #if defined(FEAT_QUICKFIX) 4201 // Quickfix window only: view the result under the cursor. 4202 else if (bt_quickfix(curbuf) && cap->cmdchar == CAR) 4203 qf_view_result(FALSE); 4204 #endif 4205 else 4206 { 4207 #ifdef FEAT_CMDWIN 4208 // In the cmdline window a <CR> executes the command. 4209 if (cmdwin_type != 0 && cap->cmdchar == CAR) 4210 cmdwin_result = CAR; 4211 else 4212 #endif 4213 #ifdef FEAT_JOB_CHANNEL 4214 // In a prompt buffer a <CR> in the last line invokes the callback. 4215 if (bt_prompt(curbuf) && cap->cmdchar == CAR 4216 && curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count) 4217 { 4218 invoke_prompt_callback(); 4219 if (restart_edit == 0) 4220 restart_edit = 'a'; 4221 } 4222 else 4223 #endif 4224 { 4225 cap->oap->motion_type = MLINE; 4226 if (cursor_down(cap->count1, cap->oap->op_type == OP_NOP) == FAIL) 4227 clearopbeep(cap->oap); 4228 else if (cap->arg) 4229 beginline(BL_WHITE | BL_FIX); 4230 } 4231 } 4232 } 4233 4234 #ifdef FEAT_SEARCHPATH 4235 /* 4236 * Grab the file name under the cursor and edit it. 4237 */ 4238 static void 4239 nv_gotofile(cmdarg_T *cap) 4240 { 4241 char_u *ptr; 4242 linenr_T lnum = -1; 4243 4244 if (text_locked()) 4245 { 4246 clearopbeep(cap->oap); 4247 text_locked_msg(); 4248 return; 4249 } 4250 if (curbuf_locked()) 4251 { 4252 clearop(cap->oap); 4253 return; 4254 } 4255 #ifdef FEAT_PROP_POPUP 4256 if (ERROR_IF_TERM_POPUP_WINDOW) 4257 return; 4258 #endif 4259 4260 ptr = grab_file_name(cap->count1, &lnum); 4261 4262 if (ptr != NULL) 4263 { 4264 // do autowrite if necessary 4265 if (curbufIsChanged() && curbuf->b_nwindows <= 1 && !buf_hide(curbuf)) 4266 (void)autowrite(curbuf, FALSE); 4267 setpcmark(); 4268 if (do_ecmd(0, ptr, NULL, NULL, ECMD_LAST, 4269 buf_hide(curbuf) ? ECMD_HIDE : 0, curwin) == OK 4270 && cap->nchar == 'F' && lnum >= 0) 4271 { 4272 curwin->w_cursor.lnum = lnum; 4273 check_cursor_lnum(); 4274 beginline(BL_SOL | BL_FIX); 4275 } 4276 vim_free(ptr); 4277 } 4278 else 4279 clearop(cap->oap); 4280 } 4281 #endif 4282 4283 /* 4284 * <End> command: to end of current line or last line. 4285 */ 4286 static void 4287 nv_end(cmdarg_T *cap) 4288 { 4289 if (cap->arg || (mod_mask & MOD_MASK_CTRL)) // CTRL-END = goto last line 4290 { 4291 cap->arg = TRUE; 4292 nv_goto(cap); 4293 cap->count1 = 1; // to end of current line 4294 } 4295 nv_dollar(cap); 4296 } 4297 4298 /* 4299 * Handle the "$" command. 4300 */ 4301 static void 4302 nv_dollar(cmdarg_T *cap) 4303 { 4304 cap->oap->motion_type = MCHAR; 4305 cap->oap->inclusive = TRUE; 4306 // In virtual mode when off the edge of a line and an operator 4307 // is pending (whew!) keep the cursor where it is. 4308 // Otherwise, send it to the end of the line. 4309 if (!virtual_active() || gchar_cursor() != NUL 4310 || cap->oap->op_type == OP_NOP) 4311 curwin->w_curswant = MAXCOL; // so we stay at the end 4312 if (cursor_down((long)(cap->count1 - 1), 4313 cap->oap->op_type == OP_NOP) == FAIL) 4314 clearopbeep(cap->oap); 4315 #ifdef FEAT_FOLDING 4316 else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP) 4317 foldOpenCursor(); 4318 #endif 4319 } 4320 4321 /* 4322 * Implementation of '?' and '/' commands. 4323 * If cap->arg is TRUE don't set PC mark. 4324 */ 4325 static void 4326 nv_search(cmdarg_T *cap) 4327 { 4328 oparg_T *oap = cap->oap; 4329 pos_T save_cursor = curwin->w_cursor; 4330 4331 if (cap->cmdchar == '?' && cap->oap->op_type == OP_ROT13) 4332 { 4333 // Translate "g??" to "g?g?" 4334 cap->cmdchar = 'g'; 4335 cap->nchar = '?'; 4336 nv_operator(cap); 4337 return; 4338 } 4339 4340 // When using 'incsearch' the cursor may be moved to set a different search 4341 // start position. 4342 cap->searchbuf = getcmdline(cap->cmdchar, cap->count1, 0, TRUE); 4343 4344 if (cap->searchbuf == NULL) 4345 { 4346 clearop(oap); 4347 return; 4348 } 4349 4350 (void)normal_search(cap, cap->cmdchar, cap->searchbuf, 4351 (cap->arg || !EQUAL_POS(save_cursor, curwin->w_cursor)) 4352 ? 0 : SEARCH_MARK, NULL); 4353 } 4354 4355 /* 4356 * Handle "N" and "n" commands. 4357 * cap->arg is SEARCH_REV for "N", 0 for "n". 4358 */ 4359 static void 4360 nv_next(cmdarg_T *cap) 4361 { 4362 pos_T old = curwin->w_cursor; 4363 int wrapped = FALSE; 4364 int i = normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg, &wrapped); 4365 4366 if (i == 1 && !wrapped && EQUAL_POS(old, curwin->w_cursor)) 4367 { 4368 // Avoid getting stuck on the current cursor position, which can 4369 // happen when an offset is given and the cursor is on the last char 4370 // in the buffer: Repeat with count + 1. 4371 cap->count1 += 1; 4372 (void)normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg, NULL); 4373 cap->count1 -= 1; 4374 } 4375 } 4376 4377 /* 4378 * Search for "pat" in direction "dir" ('/' or '?', 0 for repeat). 4379 * Uses only cap->count1 and cap->oap from "cap". 4380 * Return 0 for failure, 1 for found, 2 for found and line offset added. 4381 */ 4382 static int 4383 normal_search( 4384 cmdarg_T *cap, 4385 int dir, 4386 char_u *pat, 4387 int opt, // extra flags for do_search() 4388 int *wrapped) 4389 { 4390 int i; 4391 searchit_arg_T sia; 4392 4393 cap->oap->motion_type = MCHAR; 4394 cap->oap->inclusive = FALSE; 4395 cap->oap->use_reg_one = TRUE; 4396 curwin->w_set_curswant = TRUE; 4397 4398 CLEAR_FIELD(sia); 4399 i = do_search(cap->oap, dir, dir, pat, cap->count1, 4400 opt | SEARCH_OPT | SEARCH_ECHO | SEARCH_MSG, &sia); 4401 if (wrapped != NULL) 4402 *wrapped = sia.sa_wrapped; 4403 if (i == 0) 4404 clearop(cap->oap); 4405 else 4406 { 4407 if (i == 2) 4408 cap->oap->motion_type = MLINE; 4409 curwin->w_cursor.coladd = 0; 4410 #ifdef FEAT_FOLDING 4411 if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped) 4412 foldOpenCursor(); 4413 #endif 4414 } 4415 4416 // "/$" will put the cursor after the end of the line, may need to 4417 // correct that here 4418 check_cursor(); 4419 return i; 4420 } 4421 4422 /* 4423 * Character search commands. 4424 * cap->arg is BACKWARD for 'F' and 'T', FORWARD for 'f' and 't', TRUE for 4425 * ',' and FALSE for ';'. 4426 * cap->nchar is NUL for ',' and ';' (repeat the search) 4427 */ 4428 static void 4429 nv_csearch(cmdarg_T *cap) 4430 { 4431 int t_cmd; 4432 4433 if (cap->cmdchar == 't' || cap->cmdchar == 'T') 4434 t_cmd = TRUE; 4435 else 4436 t_cmd = FALSE; 4437 4438 cap->oap->motion_type = MCHAR; 4439 if (IS_SPECIAL(cap->nchar) || searchc(cap, t_cmd) == FAIL) 4440 clearopbeep(cap->oap); 4441 else 4442 { 4443 curwin->w_set_curswant = TRUE; 4444 // Include a Tab for "tx" and for "dfx". 4445 if (gchar_cursor() == TAB && virtual_active() && cap->arg == FORWARD 4446 && (t_cmd || cap->oap->op_type != OP_NOP)) 4447 { 4448 colnr_T scol, ecol; 4449 4450 getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol); 4451 curwin->w_cursor.coladd = ecol - scol; 4452 } 4453 else 4454 curwin->w_cursor.coladd = 0; 4455 adjust_for_sel(cap); 4456 #ifdef FEAT_FOLDING 4457 if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP) 4458 foldOpenCursor(); 4459 #endif 4460 } 4461 } 4462 4463 /* 4464 * "[" and "]" commands. 4465 * cap->arg is BACKWARD for "[" and FORWARD for "]". 4466 */ 4467 static void 4468 nv_brackets(cmdarg_T *cap) 4469 { 4470 pos_T new_pos = {0, 0, 0}; 4471 pos_T prev_pos; 4472 pos_T *pos = NULL; // init for GCC 4473 pos_T old_pos; // cursor position before command 4474 int flag; 4475 long n; 4476 int findc; 4477 int c; 4478 4479 cap->oap->motion_type = MCHAR; 4480 cap->oap->inclusive = FALSE; 4481 old_pos = curwin->w_cursor; 4482 curwin->w_cursor.coladd = 0; // TODO: don't do this for an error. 4483 4484 #ifdef FEAT_SEARCHPATH 4485 /* 4486 * "[f" or "]f" : Edit file under the cursor (same as "gf") 4487 */ 4488 if (cap->nchar == 'f') 4489 nv_gotofile(cap); 4490 else 4491 #endif 4492 4493 #ifdef FEAT_FIND_ID 4494 /* 4495 * Find the occurrence(s) of the identifier or define under cursor 4496 * in current and included files or jump to the first occurrence. 4497 * 4498 * search list jump 4499 * fwd bwd fwd bwd fwd bwd 4500 * identifier "]i" "[i" "]I" "[I" "]^I" "[^I" 4501 * define "]d" "[d" "]D" "[D" "]^D" "[^D" 4502 */ 4503 if (vim_strchr((char_u *) 4504 # ifdef EBCDIC 4505 "iI\005dD\067", 4506 # else 4507 "iI\011dD\004", 4508 # endif 4509 cap->nchar) != NULL) 4510 { 4511 char_u *ptr; 4512 int len; 4513 4514 if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0) 4515 clearop(cap->oap); 4516 else 4517 { 4518 find_pattern_in_path(ptr, 0, len, TRUE, 4519 cap->count0 == 0 ? !isupper(cap->nchar) : FALSE, 4520 ((cap->nchar & 0xf) == ('d' & 0xf)) ? FIND_DEFINE : FIND_ANY, 4521 cap->count1, 4522 isupper(cap->nchar) ? ACTION_SHOW_ALL : 4523 islower(cap->nchar) ? ACTION_SHOW : ACTION_GOTO, 4524 cap->cmdchar == ']' ? curwin->w_cursor.lnum + 1 : (linenr_T)1, 4525 (linenr_T)MAXLNUM); 4526 curwin->w_set_curswant = TRUE; 4527 } 4528 } 4529 else 4530 #endif 4531 4532 /* 4533 * "[{", "[(", "]}" or "])": go to Nth unclosed '{', '(', '}' or ')' 4534 * "[#", "]#": go to start/end of Nth innermost #if..#endif construct. 4535 * "[/", "[*", "]/", "]*": go to Nth comment start/end. 4536 * "[m" or "]m" search for prev/next start of (Java) method. 4537 * "[M" or "]M" search for prev/next end of (Java) method. 4538 */ 4539 if ( (cap->cmdchar == '[' 4540 && vim_strchr((char_u *)"{(*/#mM", cap->nchar) != NULL) 4541 || (cap->cmdchar == ']' 4542 && vim_strchr((char_u *)"})*/#mM", cap->nchar) != NULL)) 4543 { 4544 if (cap->nchar == '*') 4545 cap->nchar = '/'; 4546 prev_pos.lnum = 0; 4547 if (cap->nchar == 'm' || cap->nchar == 'M') 4548 { 4549 if (cap->cmdchar == '[') 4550 findc = '{'; 4551 else 4552 findc = '}'; 4553 n = 9999; 4554 } 4555 else 4556 { 4557 findc = cap->nchar; 4558 n = cap->count1; 4559 } 4560 for ( ; n > 0; --n) 4561 { 4562 if ((pos = findmatchlimit(cap->oap, findc, 4563 (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD, 0)) == NULL) 4564 { 4565 if (new_pos.lnum == 0) // nothing found 4566 { 4567 if (cap->nchar != 'm' && cap->nchar != 'M') 4568 clearopbeep(cap->oap); 4569 } 4570 else 4571 pos = &new_pos; // use last one found 4572 break; 4573 } 4574 prev_pos = new_pos; 4575 curwin->w_cursor = *pos; 4576 new_pos = *pos; 4577 } 4578 curwin->w_cursor = old_pos; 4579 4580 /* 4581 * Handle "[m", "]m", "[M" and "[M". The findmatchlimit() only 4582 * brought us to the match for "[m" and "]M" when inside a method. 4583 * Try finding the '{' or '}' we want to be at. 4584 * Also repeat for the given count. 4585 */ 4586 if (cap->nchar == 'm' || cap->nchar == 'M') 4587 { 4588 // norm is TRUE for "]M" and "[m" 4589 int norm = ((findc == '{') == (cap->nchar == 'm')); 4590 4591 n = cap->count1; 4592 // found a match: we were inside a method 4593 if (prev_pos.lnum != 0) 4594 { 4595 pos = &prev_pos; 4596 curwin->w_cursor = prev_pos; 4597 if (norm) 4598 --n; 4599 } 4600 else 4601 pos = NULL; 4602 while (n > 0) 4603 { 4604 for (;;) 4605 { 4606 if ((findc == '{' ? dec_cursor() : inc_cursor()) < 0) 4607 { 4608 // if not found anything, that's an error 4609 if (pos == NULL) 4610 clearopbeep(cap->oap); 4611 n = 0; 4612 break; 4613 } 4614 c = gchar_cursor(); 4615 if (c == '{' || c == '}') 4616 { 4617 // Must have found end/start of class: use it. 4618 // Or found the place to be at. 4619 if ((c == findc && norm) || (n == 1 && !norm)) 4620 { 4621 new_pos = curwin->w_cursor; 4622 pos = &new_pos; 4623 n = 0; 4624 } 4625 // if no match found at all, we started outside of the 4626 // class and we're inside now. Just go on. 4627 else if (new_pos.lnum == 0) 4628 { 4629 new_pos = curwin->w_cursor; 4630 pos = &new_pos; 4631 } 4632 // found start/end of other method: go to match 4633 else if ((pos = findmatchlimit(cap->oap, findc, 4634 (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD, 4635 0)) == NULL) 4636 n = 0; 4637 else 4638 curwin->w_cursor = *pos; 4639 break; 4640 } 4641 } 4642 --n; 4643 } 4644 curwin->w_cursor = old_pos; 4645 if (pos == NULL && new_pos.lnum != 0) 4646 clearopbeep(cap->oap); 4647 } 4648 if (pos != NULL) 4649 { 4650 setpcmark(); 4651 curwin->w_cursor = *pos; 4652 curwin->w_set_curswant = TRUE; 4653 #ifdef FEAT_FOLDING 4654 if ((fdo_flags & FDO_BLOCK) && KeyTyped 4655 && cap->oap->op_type == OP_NOP) 4656 foldOpenCursor(); 4657 #endif 4658 } 4659 } 4660 4661 /* 4662 * "[[", "[]", "]]" and "][": move to start or end of function 4663 */ 4664 else if (cap->nchar == '[' || cap->nchar == ']') 4665 { 4666 if (cap->nchar == cap->cmdchar) // "]]" or "[[" 4667 flag = '{'; 4668 else 4669 flag = '}'; // "][" or "[]" 4670 4671 curwin->w_set_curswant = TRUE; 4672 /* 4673 * Imitate strange Vi behaviour: When using "]]" with an operator 4674 * we also stop at '}'. 4675 */ 4676 if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, flag, 4677 (cap->oap->op_type != OP_NOP 4678 && cap->arg == FORWARD && flag == '{'))) 4679 clearopbeep(cap->oap); 4680 else 4681 { 4682 if (cap->oap->op_type == OP_NOP) 4683 beginline(BL_WHITE | BL_FIX); 4684 #ifdef FEAT_FOLDING 4685 if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP) 4686 foldOpenCursor(); 4687 #endif 4688 } 4689 } 4690 4691 /* 4692 * "[p", "[P", "]P" and "]p": put with indent adjustment 4693 */ 4694 else if (cap->nchar == 'p' || cap->nchar == 'P') 4695 { 4696 nv_put_opt(cap, TRUE); 4697 } 4698 4699 /* 4700 * "['", "[`", "]'" and "]`": jump to next mark 4701 */ 4702 else if (cap->nchar == '\'' || cap->nchar == '`') 4703 { 4704 pos = &curwin->w_cursor; 4705 for (n = cap->count1; n > 0; --n) 4706 { 4707 prev_pos = *pos; 4708 pos = getnextmark(pos, cap->cmdchar == '[' ? BACKWARD : FORWARD, 4709 cap->nchar == '\''); 4710 if (pos == NULL) 4711 break; 4712 } 4713 if (pos == NULL) 4714 pos = &prev_pos; 4715 nv_cursormark(cap, cap->nchar == '\'', pos); 4716 } 4717 4718 /* 4719 * [ or ] followed by a middle mouse click: put selected text with 4720 * indent adjustment. Any other button just does as usual. 4721 */ 4722 else if (cap->nchar >= K_RIGHTRELEASE && cap->nchar <= K_LEFTMOUSE) 4723 { 4724 (void)do_mouse(cap->oap, cap->nchar, 4725 (cap->cmdchar == ']') ? FORWARD : BACKWARD, 4726 cap->count1, PUT_FIXINDENT); 4727 } 4728 4729 #ifdef FEAT_FOLDING 4730 /* 4731 * "[z" and "]z": move to start or end of open fold. 4732 */ 4733 else if (cap->nchar == 'z') 4734 { 4735 if (foldMoveTo(FALSE, cap->cmdchar == ']' ? FORWARD : BACKWARD, 4736 cap->count1) == FAIL) 4737 clearopbeep(cap->oap); 4738 } 4739 #endif 4740 4741 #ifdef FEAT_DIFF 4742 /* 4743 * "[c" and "]c": move to next or previous diff-change. 4744 */ 4745 else if (cap->nchar == 'c') 4746 { 4747 if (diff_move_to(cap->cmdchar == ']' ? FORWARD : BACKWARD, 4748 cap->count1) == FAIL) 4749 clearopbeep(cap->oap); 4750 } 4751 #endif 4752 4753 #ifdef FEAT_SPELL 4754 /* 4755 * "[s", "[S", "]s" and "]S": move to next spell error. 4756 */ 4757 else if (cap->nchar == 's' || cap->nchar == 'S') 4758 { 4759 setpcmark(); 4760 for (n = 0; n < cap->count1; ++n) 4761 if (spell_move_to(curwin, cap->cmdchar == ']' ? FORWARD : BACKWARD, 4762 cap->nchar == 's' ? TRUE : FALSE, FALSE, NULL) == 0) 4763 { 4764 clearopbeep(cap->oap); 4765 break; 4766 } 4767 else 4768 curwin->w_set_curswant = TRUE; 4769 # ifdef FEAT_FOLDING 4770 if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped) 4771 foldOpenCursor(); 4772 # endif 4773 } 4774 #endif 4775 4776 // Not a valid cap->nchar. 4777 else 4778 clearopbeep(cap->oap); 4779 } 4780 4781 /* 4782 * Handle Normal mode "%" command. 4783 */ 4784 static void 4785 nv_percent(cmdarg_T *cap) 4786 { 4787 pos_T *pos; 4788 #if defined(FEAT_FOLDING) 4789 linenr_T lnum = curwin->w_cursor.lnum; 4790 #endif 4791 4792 cap->oap->inclusive = TRUE; 4793 if (cap->count0) // {cnt}% : goto {cnt} percentage in file 4794 { 4795 if (cap->count0 > 100) 4796 clearopbeep(cap->oap); 4797 else 4798 { 4799 cap->oap->motion_type = MLINE; 4800 setpcmark(); 4801 // Round up, so 'normal 100%' always jumps at the line line. 4802 // Beyond 21474836 lines, (ml_line_count * 100 + 99) would 4803 // overflow on 32-bits, so use a formula with less accuracy 4804 // to avoid overflows. 4805 if (curbuf->b_ml.ml_line_count >= 21474836) 4806 curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count + 99L) 4807 / 100L * cap->count0; 4808 else 4809 curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count * 4810 cap->count0 + 99L) / 100L; 4811 if (curwin->w_cursor.lnum < 1) 4812 curwin->w_cursor.lnum = 1; 4813 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) 4814 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; 4815 beginline(BL_SOL | BL_FIX); 4816 } 4817 } 4818 else // "%" : go to matching paren 4819 { 4820 cap->oap->motion_type = MCHAR; 4821 cap->oap->use_reg_one = TRUE; 4822 if ((pos = findmatch(cap->oap, NUL)) == NULL) 4823 clearopbeep(cap->oap); 4824 else 4825 { 4826 setpcmark(); 4827 curwin->w_cursor = *pos; 4828 curwin->w_set_curswant = TRUE; 4829 curwin->w_cursor.coladd = 0; 4830 adjust_for_sel(cap); 4831 } 4832 } 4833 #ifdef FEAT_FOLDING 4834 if (cap->oap->op_type == OP_NOP 4835 && lnum != curwin->w_cursor.lnum 4836 && (fdo_flags & FDO_PERCENT) 4837 && KeyTyped) 4838 foldOpenCursor(); 4839 #endif 4840 } 4841 4842 /* 4843 * Handle "(" and ")" commands. 4844 * cap->arg is BACKWARD for "(" and FORWARD for ")". 4845 */ 4846 static void 4847 nv_brace(cmdarg_T *cap) 4848 { 4849 cap->oap->motion_type = MCHAR; 4850 cap->oap->use_reg_one = TRUE; 4851 // The motion used to be inclusive for "(", but that is not what Vi does. 4852 cap->oap->inclusive = FALSE; 4853 curwin->w_set_curswant = TRUE; 4854 4855 if (findsent(cap->arg, cap->count1) == FAIL) 4856 clearopbeep(cap->oap); 4857 else 4858 { 4859 // Don't leave the cursor on the NUL past end of line. 4860 adjust_cursor(cap->oap); 4861 curwin->w_cursor.coladd = 0; 4862 #ifdef FEAT_FOLDING 4863 if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP) 4864 foldOpenCursor(); 4865 #endif 4866 } 4867 } 4868 4869 /* 4870 * "m" command: Mark a position. 4871 */ 4872 static void 4873 nv_mark(cmdarg_T *cap) 4874 { 4875 if (!checkclearop(cap->oap)) 4876 { 4877 if (setmark(cap->nchar) == FAIL) 4878 clearopbeep(cap->oap); 4879 } 4880 } 4881 4882 /* 4883 * "{" and "}" commands. 4884 * cmd->arg is BACKWARD for "{" and FORWARD for "}". 4885 */ 4886 static void 4887 nv_findpar(cmdarg_T *cap) 4888 { 4889 cap->oap->motion_type = MCHAR; 4890 cap->oap->inclusive = FALSE; 4891 cap->oap->use_reg_one = TRUE; 4892 curwin->w_set_curswant = TRUE; 4893 if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, NUL, FALSE)) 4894 clearopbeep(cap->oap); 4895 else 4896 { 4897 curwin->w_cursor.coladd = 0; 4898 #ifdef FEAT_FOLDING 4899 if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP) 4900 foldOpenCursor(); 4901 #endif 4902 } 4903 } 4904 4905 /* 4906 * "u" command: Undo or make lower case. 4907 */ 4908 static void 4909 nv_undo(cmdarg_T *cap) 4910 { 4911 if (cap->oap->op_type == OP_LOWER || VIsual_active) 4912 { 4913 // translate "<Visual>u" to "<Visual>gu" and "guu" to "gugu" 4914 cap->cmdchar = 'g'; 4915 cap->nchar = 'u'; 4916 nv_operator(cap); 4917 } 4918 else 4919 nv_kundo(cap); 4920 } 4921 4922 /* 4923 * <Undo> command. 4924 */ 4925 static void 4926 nv_kundo(cmdarg_T *cap) 4927 { 4928 if (!checkclearopq(cap->oap)) 4929 { 4930 #ifdef FEAT_JOB_CHANNEL 4931 if (bt_prompt(curbuf)) 4932 { 4933 clearopbeep(cap->oap); 4934 return; 4935 } 4936 #endif 4937 u_undo((int)cap->count1); 4938 curwin->w_set_curswant = TRUE; 4939 } 4940 } 4941 4942 /* 4943 * Handle the "r" command. 4944 */ 4945 static void 4946 nv_replace(cmdarg_T *cap) 4947 { 4948 char_u *ptr; 4949 int had_ctrl_v; 4950 long n; 4951 4952 if (checkclearop(cap->oap)) 4953 return; 4954 #ifdef FEAT_JOB_CHANNEL 4955 if (bt_prompt(curbuf) && !prompt_curpos_editable()) 4956 { 4957 clearopbeep(cap->oap); 4958 return; 4959 } 4960 #endif 4961 4962 // get another character 4963 if (cap->nchar == Ctrl_V) 4964 { 4965 had_ctrl_v = Ctrl_V; 4966 cap->nchar = get_literal(FALSE); 4967 // Don't redo a multibyte character with CTRL-V. 4968 if (cap->nchar > DEL) 4969 had_ctrl_v = NUL; 4970 } 4971 else 4972 had_ctrl_v = NUL; 4973 4974 // Abort if the character is a special key. 4975 if (IS_SPECIAL(cap->nchar)) 4976 { 4977 clearopbeep(cap->oap); 4978 return; 4979 } 4980 4981 // Visual mode "r" 4982 if (VIsual_active) 4983 { 4984 if (got_int) 4985 reset_VIsual(); 4986 if (had_ctrl_v) 4987 { 4988 // Use a special (negative) number to make a difference between a 4989 // literal CR or NL and a line break. 4990 if (cap->nchar == CAR) 4991 cap->nchar = REPLACE_CR_NCHAR; 4992 else if (cap->nchar == NL) 4993 cap->nchar = REPLACE_NL_NCHAR; 4994 } 4995 nv_operator(cap); 4996 return; 4997 } 4998 4999 // Break tabs, etc. 5000 if (virtual_active()) 5001 { 5002 if (u_save_cursor() == FAIL) 5003 return; 5004 if (gchar_cursor() == NUL) 5005 { 5006 // Add extra space and put the cursor on the first one. 5007 coladvance_force((colnr_T)(getviscol() + cap->count1)); 5008 curwin->w_cursor.col -= cap->count1; 5009 } 5010 else if (gchar_cursor() == TAB) 5011 coladvance_force(getviscol()); 5012 } 5013 5014 // Abort if not enough characters to replace. 5015 ptr = ml_get_cursor(); 5016 if (STRLEN(ptr) < (unsigned)cap->count1 5017 || (has_mbyte && mb_charlen(ptr) < cap->count1)) 5018 { 5019 clearopbeep(cap->oap); 5020 return; 5021 } 5022 5023 /* 5024 * Replacing with a TAB is done by edit() when it is complicated because 5025 * 'expandtab' or 'smarttab' is set. CTRL-V TAB inserts a literal TAB. 5026 * Other characters are done below to avoid problems with things like 5027 * CTRL-V 048 (for edit() this would be R CTRL-V 0 ESC). 5028 */ 5029 if (had_ctrl_v != Ctrl_V && cap->nchar == '\t' && (curbuf->b_p_et || p_sta)) 5030 { 5031 stuffnumReadbuff(cap->count1); 5032 stuffcharReadbuff('R'); 5033 stuffcharReadbuff('\t'); 5034 stuffcharReadbuff(ESC); 5035 return; 5036 } 5037 5038 // save line for undo 5039 if (u_save_cursor() == FAIL) 5040 return; 5041 5042 if (had_ctrl_v != Ctrl_V && (cap->nchar == '\r' || cap->nchar == '\n')) 5043 { 5044 /* 5045 * Replace character(s) by a single newline. 5046 * Strange vi behaviour: Only one newline is inserted. 5047 * Delete the characters here. 5048 * Insert the newline with an insert command, takes care of 5049 * autoindent. The insert command depends on being on the last 5050 * character of a line or not. 5051 */ 5052 (void)del_chars(cap->count1, FALSE); // delete the characters 5053 stuffcharReadbuff('\r'); 5054 stuffcharReadbuff(ESC); 5055 5056 // Give 'r' to edit(), to get the redo command right. 5057 invoke_edit(cap, TRUE, 'r', FALSE); 5058 } 5059 else 5060 { 5061 prep_redo(cap->oap->regname, cap->count1, 5062 NUL, 'r', NUL, had_ctrl_v, cap->nchar); 5063 5064 curbuf->b_op_start = curwin->w_cursor; 5065 if (has_mbyte) 5066 { 5067 int old_State = State; 5068 5069 if (cap->ncharC1 != 0) 5070 AppendCharToRedobuff(cap->ncharC1); 5071 if (cap->ncharC2 != 0) 5072 AppendCharToRedobuff(cap->ncharC2); 5073 5074 // This is slow, but it handles replacing a single-byte with a 5075 // multi-byte and the other way around. Also handles adding 5076 // composing characters for utf-8. 5077 for (n = cap->count1; n > 0; --n) 5078 { 5079 State = REPLACE; 5080 if (cap->nchar == Ctrl_E || cap->nchar == Ctrl_Y) 5081 { 5082 int c = ins_copychar(curwin->w_cursor.lnum 5083 + (cap->nchar == Ctrl_Y ? -1 : 1)); 5084 if (c != NUL) 5085 ins_char(c); 5086 else 5087 // will be decremented further down 5088 ++curwin->w_cursor.col; 5089 } 5090 else 5091 ins_char(cap->nchar); 5092 State = old_State; 5093 if (cap->ncharC1 != 0) 5094 ins_char(cap->ncharC1); 5095 if (cap->ncharC2 != 0) 5096 ins_char(cap->ncharC2); 5097 } 5098 } 5099 else 5100 { 5101 /* 5102 * Replace the characters within one line. 5103 */ 5104 for (n = cap->count1; n > 0; --n) 5105 { 5106 /* 5107 * Get ptr again, because u_save and/or showmatch() will have 5108 * released the line. This may also happen in ins_copychar(). 5109 * At the same time we let know that the line will be changed. 5110 */ 5111 if (cap->nchar == Ctrl_E || cap->nchar == Ctrl_Y) 5112 { 5113 int c = ins_copychar(curwin->w_cursor.lnum 5114 + (cap->nchar == Ctrl_Y ? -1 : 1)); 5115 5116 ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE); 5117 if (c != NUL) 5118 ptr[curwin->w_cursor.col] = c; 5119 } 5120 else 5121 { 5122 ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE); 5123 ptr[curwin->w_cursor.col] = cap->nchar; 5124 } 5125 if (p_sm && msg_silent == 0) 5126 showmatch(cap->nchar); 5127 ++curwin->w_cursor.col; 5128 } 5129 #ifdef FEAT_NETBEANS_INTG 5130 if (netbeans_active()) 5131 { 5132 colnr_T start = (colnr_T)(curwin->w_cursor.col - cap->count1); 5133 5134 netbeans_removed(curbuf, curwin->w_cursor.lnum, start, 5135 (long)cap->count1); 5136 netbeans_inserted(curbuf, curwin->w_cursor.lnum, start, 5137 &ptr[start], (int)cap->count1); 5138 } 5139 #endif 5140 5141 // mark the buffer as changed and prepare for displaying 5142 changed_bytes(curwin->w_cursor.lnum, 5143 (colnr_T)(curwin->w_cursor.col - cap->count1)); 5144 } 5145 --curwin->w_cursor.col; // cursor on the last replaced char 5146 // if the character on the left of the current cursor is a multi-byte 5147 // character, move two characters left 5148 if (has_mbyte) 5149 mb_adjust_cursor(); 5150 curbuf->b_op_end = curwin->w_cursor; 5151 curwin->w_set_curswant = TRUE; 5152 set_last_insert(cap->nchar); 5153 } 5154 } 5155 5156 /* 5157 * 'o': Exchange start and end of Visual area. 5158 * 'O': same, but in block mode exchange left and right corners. 5159 */ 5160 static void 5161 v_swap_corners(int cmdchar) 5162 { 5163 pos_T old_cursor; 5164 colnr_T left, right; 5165 5166 if (cmdchar == 'O' && VIsual_mode == Ctrl_V) 5167 { 5168 old_cursor = curwin->w_cursor; 5169 getvcols(curwin, &old_cursor, &VIsual, &left, &right); 5170 curwin->w_cursor.lnum = VIsual.lnum; 5171 coladvance(left); 5172 VIsual = curwin->w_cursor; 5173 5174 curwin->w_cursor.lnum = old_cursor.lnum; 5175 curwin->w_curswant = right; 5176 // 'selection "exclusive" and cursor at right-bottom corner: move it 5177 // right one column 5178 if (old_cursor.lnum >= VIsual.lnum && *p_sel == 'e') 5179 ++curwin->w_curswant; 5180 coladvance(curwin->w_curswant); 5181 if (curwin->w_cursor.col == old_cursor.col 5182 && (!virtual_active() 5183 || curwin->w_cursor.coladd == old_cursor.coladd)) 5184 { 5185 curwin->w_cursor.lnum = VIsual.lnum; 5186 if (old_cursor.lnum <= VIsual.lnum && *p_sel == 'e') 5187 ++right; 5188 coladvance(right); 5189 VIsual = curwin->w_cursor; 5190 5191 curwin->w_cursor.lnum = old_cursor.lnum; 5192 coladvance(left); 5193 curwin->w_curswant = left; 5194 } 5195 } 5196 else 5197 { 5198 old_cursor = curwin->w_cursor; 5199 curwin->w_cursor = VIsual; 5200 VIsual = old_cursor; 5201 curwin->w_set_curswant = TRUE; 5202 } 5203 } 5204 5205 /* 5206 * "R" (cap->arg is FALSE) and "gR" (cap->arg is TRUE). 5207 */ 5208 static void 5209 nv_Replace(cmdarg_T *cap) 5210 { 5211 if (VIsual_active) // "R" is replace lines 5212 { 5213 cap->cmdchar = 'c'; 5214 cap->nchar = NUL; 5215 VIsual_mode_orig = VIsual_mode; // remember original area for gv 5216 VIsual_mode = 'V'; 5217 nv_operator(cap); 5218 } 5219 else if (!checkclearopq(cap->oap)) 5220 { 5221 if (!curbuf->b_p_ma) 5222 emsg(_(e_cannot_make_changes_modifiable_is_off)); 5223 else 5224 { 5225 if (virtual_active()) 5226 coladvance(getviscol()); 5227 invoke_edit(cap, FALSE, cap->arg ? 'V' : 'R', FALSE); 5228 } 5229 } 5230 } 5231 5232 /* 5233 * "gr". 5234 */ 5235 static void 5236 nv_vreplace(cmdarg_T *cap) 5237 { 5238 if (VIsual_active) 5239 { 5240 cap->cmdchar = 'r'; 5241 cap->nchar = cap->extra_char; 5242 nv_replace(cap); // Do same as "r" in Visual mode for now 5243 } 5244 else if (!checkclearopq(cap->oap)) 5245 { 5246 if (!curbuf->b_p_ma) 5247 emsg(_(e_cannot_make_changes_modifiable_is_off)); 5248 else 5249 { 5250 if (cap->extra_char == Ctrl_V) // get another character 5251 cap->extra_char = get_literal(FALSE); 5252 stuffcharReadbuff(cap->extra_char); 5253 stuffcharReadbuff(ESC); 5254 if (virtual_active()) 5255 coladvance(getviscol()); 5256 invoke_edit(cap, TRUE, 'v', FALSE); 5257 } 5258 } 5259 } 5260 5261 /* 5262 * Swap case for "~" command, when it does not work like an operator. 5263 */ 5264 static void 5265 n_swapchar(cmdarg_T *cap) 5266 { 5267 long n; 5268 pos_T startpos; 5269 int did_change = 0; 5270 #ifdef FEAT_NETBEANS_INTG 5271 pos_T pos; 5272 char_u *ptr; 5273 int count; 5274 #endif 5275 5276 if (checkclearopq(cap->oap)) 5277 return; 5278 5279 if (LINEEMPTY(curwin->w_cursor.lnum) && vim_strchr(p_ww, '~') == NULL) 5280 { 5281 clearopbeep(cap->oap); 5282 return; 5283 } 5284 5285 prep_redo_cmd(cap); 5286 5287 if (u_save_cursor() == FAIL) 5288 return; 5289 5290 startpos = curwin->w_cursor; 5291 #ifdef FEAT_NETBEANS_INTG 5292 pos = startpos; 5293 #endif 5294 for (n = cap->count1; n > 0; --n) 5295 { 5296 did_change |= swapchar(cap->oap->op_type, &curwin->w_cursor); 5297 inc_cursor(); 5298 if (gchar_cursor() == NUL) 5299 { 5300 if (vim_strchr(p_ww, '~') != NULL 5301 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) 5302 { 5303 #ifdef FEAT_NETBEANS_INTG 5304 if (netbeans_active()) 5305 { 5306 if (did_change) 5307 { 5308 ptr = ml_get(pos.lnum); 5309 count = (int)STRLEN(ptr) - pos.col; 5310 netbeans_removed(curbuf, pos.lnum, pos.col, 5311 (long)count); 5312 netbeans_inserted(curbuf, pos.lnum, pos.col, 5313 &ptr[pos.col], count); 5314 } 5315 pos.col = 0; 5316 pos.lnum++; 5317 } 5318 #endif 5319 ++curwin->w_cursor.lnum; 5320 curwin->w_cursor.col = 0; 5321 if (n > 1) 5322 { 5323 if (u_savesub(curwin->w_cursor.lnum) == FAIL) 5324 break; 5325 u_clearline(); 5326 } 5327 } 5328 else 5329 break; 5330 } 5331 } 5332 #ifdef FEAT_NETBEANS_INTG 5333 if (did_change && netbeans_active()) 5334 { 5335 ptr = ml_get(pos.lnum); 5336 count = curwin->w_cursor.col - pos.col; 5337 netbeans_removed(curbuf, pos.lnum, pos.col, (long)count); 5338 netbeans_inserted(curbuf, pos.lnum, pos.col, &ptr[pos.col], count); 5339 } 5340 #endif 5341 5342 5343 check_cursor(); 5344 curwin->w_set_curswant = TRUE; 5345 if (did_change) 5346 { 5347 changed_lines(startpos.lnum, startpos.col, curwin->w_cursor.lnum + 1, 5348 0L); 5349 curbuf->b_op_start = startpos; 5350 curbuf->b_op_end = curwin->w_cursor; 5351 if (curbuf->b_op_end.col > 0) 5352 --curbuf->b_op_end.col; 5353 } 5354 } 5355 5356 /* 5357 * Move cursor to mark. 5358 */ 5359 static void 5360 nv_cursormark(cmdarg_T *cap, int flag, pos_T *pos) 5361 { 5362 if (check_mark(pos) == FAIL) 5363 clearop(cap->oap); 5364 else 5365 { 5366 if (cap->cmdchar == '\'' 5367 || cap->cmdchar == '`' 5368 || cap->cmdchar == '[' 5369 || cap->cmdchar == ']') 5370 setpcmark(); 5371 curwin->w_cursor = *pos; 5372 if (flag) 5373 beginline(BL_WHITE | BL_FIX); 5374 else 5375 check_cursor(); 5376 } 5377 cap->oap->motion_type = flag ? MLINE : MCHAR; 5378 if (cap->cmdchar == '`') 5379 cap->oap->use_reg_one = TRUE; 5380 cap->oap->inclusive = FALSE; // ignored if not MCHAR 5381 curwin->w_set_curswant = TRUE; 5382 } 5383 5384 /* 5385 * Handle commands that are operators in Visual mode. 5386 */ 5387 static void 5388 v_visop(cmdarg_T *cap) 5389 { 5390 static char_u trans[] = "YyDdCcxdXdAAIIrr"; 5391 5392 // Uppercase means linewise, except in block mode, then "D" deletes till 5393 // the end of the line, and "C" replaces till EOL 5394 if (isupper(cap->cmdchar)) 5395 { 5396 if (VIsual_mode != Ctrl_V) 5397 { 5398 VIsual_mode_orig = VIsual_mode; 5399 VIsual_mode = 'V'; 5400 } 5401 else if (cap->cmdchar == 'C' || cap->cmdchar == 'D') 5402 curwin->w_curswant = MAXCOL; 5403 } 5404 cap->cmdchar = *(vim_strchr(trans, cap->cmdchar) + 1); 5405 nv_operator(cap); 5406 } 5407 5408 /* 5409 * "s" and "S" commands. 5410 */ 5411 static void 5412 nv_subst(cmdarg_T *cap) 5413 { 5414 #ifdef FEAT_TERMINAL 5415 // When showing output of term_dumpdiff() swap the top and bottom. 5416 if (term_swap_diff() == OK) 5417 return; 5418 #endif 5419 #ifdef FEAT_JOB_CHANNEL 5420 if (bt_prompt(curbuf) && !prompt_curpos_editable()) 5421 { 5422 clearopbeep(cap->oap); 5423 return; 5424 } 5425 #endif 5426 if (VIsual_active) // "vs" and "vS" are the same as "vc" 5427 { 5428 if (cap->cmdchar == 'S') 5429 { 5430 VIsual_mode_orig = VIsual_mode; 5431 VIsual_mode = 'V'; 5432 } 5433 cap->cmdchar = 'c'; 5434 nv_operator(cap); 5435 } 5436 else 5437 nv_optrans(cap); 5438 } 5439 5440 /* 5441 * Abbreviated commands. 5442 */ 5443 static void 5444 nv_abbrev(cmdarg_T *cap) 5445 { 5446 if (cap->cmdchar == K_DEL || cap->cmdchar == K_KDEL) 5447 cap->cmdchar = 'x'; // DEL key behaves like 'x' 5448 5449 // in Visual mode these commands are operators 5450 if (VIsual_active) 5451 v_visop(cap); 5452 else 5453 nv_optrans(cap); 5454 } 5455 5456 /* 5457 * Translate a command into another command. 5458 */ 5459 static void 5460 nv_optrans(cmdarg_T *cap) 5461 { 5462 static char_u *(ar[8]) = {(char_u *)"dl", (char_u *)"dh", 5463 (char_u *)"d$", (char_u *)"c$", 5464 (char_u *)"cl", (char_u *)"cc", 5465 (char_u *)"yy", (char_u *)":s\r"}; 5466 static char_u *str = (char_u *)"xXDCsSY&"; 5467 5468 if (!checkclearopq(cap->oap)) 5469 { 5470 // In Vi "2D" doesn't delete the next line. Can't translate it 5471 // either, because "2." should also not use the count. 5472 if (cap->cmdchar == 'D' && vim_strchr(p_cpo, CPO_HASH) != NULL) 5473 { 5474 cap->oap->start = curwin->w_cursor; 5475 cap->oap->op_type = OP_DELETE; 5476 #ifdef FEAT_EVAL 5477 set_op_var(OP_DELETE); 5478 #endif 5479 cap->count1 = 1; 5480 nv_dollar(cap); 5481 finish_op = TRUE; 5482 ResetRedobuff(); 5483 AppendCharToRedobuff('D'); 5484 } 5485 else 5486 { 5487 if (cap->count0) 5488 stuffnumReadbuff(cap->count0); 5489 stuffReadbuff(ar[(int)(vim_strchr(str, cap->cmdchar) - str)]); 5490 } 5491 } 5492 cap->opcount = 0; 5493 } 5494 5495 /* 5496 * "'" and "`" commands. Also for "g'" and "g`". 5497 * cap->arg is TRUE for "'" and "g'". 5498 */ 5499 static void 5500 nv_gomark(cmdarg_T *cap) 5501 { 5502 pos_T *pos; 5503 int c; 5504 #ifdef FEAT_FOLDING 5505 pos_T old_cursor = curwin->w_cursor; 5506 int old_KeyTyped = KeyTyped; // getting file may reset it 5507 #endif 5508 5509 if (cap->cmdchar == 'g') 5510 c = cap->extra_char; 5511 else 5512 c = cap->nchar; 5513 pos = getmark(c, (cap->oap->op_type == OP_NOP)); 5514 if (pos == (pos_T *)-1) // jumped to other file 5515 { 5516 if (cap->arg) 5517 { 5518 check_cursor_lnum(); 5519 beginline(BL_WHITE | BL_FIX); 5520 } 5521 else 5522 check_cursor(); 5523 } 5524 else 5525 nv_cursormark(cap, cap->arg, pos); 5526 5527 // May need to clear the coladd that a mark includes. 5528 if (!virtual_active()) 5529 curwin->w_cursor.coladd = 0; 5530 check_cursor_col(); 5531 #ifdef FEAT_FOLDING 5532 if (cap->oap->op_type == OP_NOP 5533 && pos != NULL 5534 && (pos == (pos_T *)-1 || !EQUAL_POS(old_cursor, *pos)) 5535 && (fdo_flags & FDO_MARK) 5536 && old_KeyTyped) 5537 foldOpenCursor(); 5538 #endif 5539 } 5540 5541 /* 5542 * Handle CTRL-O, CTRL-I, "g;", "g," and "CTRL-Tab" commands. 5543 */ 5544 static void 5545 nv_pcmark(cmdarg_T *cap) 5546 { 5547 #ifdef FEAT_JUMPLIST 5548 pos_T *pos; 5549 # ifdef FEAT_FOLDING 5550 linenr_T lnum = curwin->w_cursor.lnum; 5551 int old_KeyTyped = KeyTyped; // getting file may reset it 5552 # endif 5553 5554 if (!checkclearopq(cap->oap)) 5555 { 5556 if (cap->cmdchar == TAB && mod_mask == MOD_MASK_CTRL) 5557 { 5558 if (goto_tabpage_lastused() == FAIL) 5559 clearopbeep(cap->oap); 5560 return; 5561 } 5562 if (cap->cmdchar == 'g') 5563 pos = movechangelist((int)cap->count1); 5564 else 5565 pos = movemark((int)cap->count1); 5566 if (pos == (pos_T *)-1) // jump to other file 5567 { 5568 curwin->w_set_curswant = TRUE; 5569 check_cursor(); 5570 } 5571 else if (pos != NULL) // can jump 5572 nv_cursormark(cap, FALSE, pos); 5573 else if (cap->cmdchar == 'g') 5574 { 5575 if (curbuf->b_changelistlen == 0) 5576 emsg(_("E664: changelist is empty")); 5577 else if (cap->count1 < 0) 5578 emsg(_("E662: At start of changelist")); 5579 else 5580 emsg(_("E663: At end of changelist")); 5581 } 5582 else 5583 clearopbeep(cap->oap); 5584 # ifdef FEAT_FOLDING 5585 if (cap->oap->op_type == OP_NOP 5586 && (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum) 5587 && (fdo_flags & FDO_MARK) 5588 && old_KeyTyped) 5589 foldOpenCursor(); 5590 # endif 5591 } 5592 #else 5593 clearopbeep(cap->oap); 5594 #endif 5595 } 5596 5597 /* 5598 * Handle '"' command. 5599 */ 5600 static void 5601 nv_regname(cmdarg_T *cap) 5602 { 5603 if (checkclearop(cap->oap)) 5604 return; 5605 #ifdef FEAT_EVAL 5606 if (cap->nchar == '=') 5607 cap->nchar = get_expr_register(); 5608 #endif 5609 if (cap->nchar != NUL && valid_yank_reg(cap->nchar, FALSE)) 5610 { 5611 cap->oap->regname = cap->nchar; 5612 cap->opcount = cap->count0; // remember count before '"' 5613 #ifdef FEAT_EVAL 5614 set_reg_var(cap->oap->regname); 5615 #endif 5616 } 5617 else 5618 clearopbeep(cap->oap); 5619 } 5620 5621 /* 5622 * Handle "v", "V" and "CTRL-V" commands. 5623 * Also for "gh", "gH" and "g^H" commands: Always start Select mode, cap->arg 5624 * is TRUE. 5625 * Handle CTRL-Q just like CTRL-V. 5626 */ 5627 static void 5628 nv_visual(cmdarg_T *cap) 5629 { 5630 if (cap->cmdchar == Ctrl_Q) 5631 cap->cmdchar = Ctrl_V; 5632 5633 // 'v', 'V' and CTRL-V can be used while an operator is pending to make it 5634 // characterwise, linewise, or blockwise. 5635 if (cap->oap->op_type != OP_NOP) 5636 { 5637 motion_force = cap->oap->motion_force = cap->cmdchar; 5638 finish_op = FALSE; // operator doesn't finish now but later 5639 return; 5640 } 5641 5642 VIsual_select = cap->arg; 5643 if (VIsual_active) // change Visual mode 5644 { 5645 if (VIsual_mode == cap->cmdchar) // stop visual mode 5646 end_visual_mode(); 5647 else // toggle char/block mode 5648 { // or char/line mode 5649 VIsual_mode = cap->cmdchar; 5650 showmode(); 5651 trigger_modechanged(); 5652 } 5653 redraw_curbuf_later(INVERTED); // update the inversion 5654 } 5655 else // start Visual mode 5656 { 5657 check_visual_highlight(); 5658 if (cap->count0 > 0 && resel_VIsual_mode != NUL) 5659 { 5660 // use previously selected part 5661 VIsual = curwin->w_cursor; 5662 5663 VIsual_active = TRUE; 5664 VIsual_reselect = TRUE; 5665 if (!cap->arg) 5666 // start Select mode when 'selectmode' contains "cmd" 5667 may_start_select('c'); 5668 setmouse(); 5669 if (p_smd && msg_silent == 0) 5670 redraw_cmdline = TRUE; // show visual mode later 5671 /* 5672 * For V and ^V, we multiply the number of lines even if there 5673 * was only one -- webb 5674 */ 5675 if (resel_VIsual_mode != 'v' || resel_VIsual_line_count > 1) 5676 { 5677 curwin->w_cursor.lnum += 5678 resel_VIsual_line_count * cap->count0 - 1; 5679 check_cursor(); 5680 } 5681 VIsual_mode = resel_VIsual_mode; 5682 if (VIsual_mode == 'v') 5683 { 5684 if (resel_VIsual_line_count <= 1) 5685 { 5686 validate_virtcol(); 5687 curwin->w_curswant = curwin->w_virtcol 5688 + resel_VIsual_vcol * cap->count0 - 1; 5689 } 5690 else 5691 curwin->w_curswant = resel_VIsual_vcol; 5692 coladvance(curwin->w_curswant); 5693 } 5694 if (resel_VIsual_vcol == MAXCOL) 5695 { 5696 curwin->w_curswant = MAXCOL; 5697 coladvance((colnr_T)MAXCOL); 5698 } 5699 else if (VIsual_mode == Ctrl_V) 5700 { 5701 validate_virtcol(); 5702 curwin->w_curswant = curwin->w_virtcol 5703 + resel_VIsual_vcol * cap->count0 - 1; 5704 coladvance(curwin->w_curswant); 5705 } 5706 else 5707 curwin->w_set_curswant = TRUE; 5708 redraw_curbuf_later(INVERTED); // show the inversion 5709 } 5710 else 5711 { 5712 if (!cap->arg) 5713 // start Select mode when 'selectmode' contains "cmd" 5714 may_start_select('c'); 5715 n_start_visual_mode(cap->cmdchar); 5716 if (VIsual_mode != 'V' && *p_sel == 'e') 5717 ++cap->count1; // include one more char 5718 if (cap->count0 > 0 && --cap->count1 > 0) 5719 { 5720 // With a count select that many characters or lines. 5721 if (VIsual_mode == 'v' || VIsual_mode == Ctrl_V) 5722 nv_right(cap); 5723 else if (VIsual_mode == 'V') 5724 nv_down(cap); 5725 } 5726 } 5727 } 5728 } 5729 5730 /* 5731 * Start selection for Shift-movement keys. 5732 */ 5733 void 5734 start_selection(void) 5735 { 5736 // if 'selectmode' contains "key", start Select mode 5737 may_start_select('k'); 5738 n_start_visual_mode('v'); 5739 } 5740 5741 /* 5742 * Start Select mode, if "c" is in 'selectmode' and not in a mapping or menu. 5743 */ 5744 void 5745 may_start_select(int c) 5746 { 5747 VIsual_select = (stuff_empty() && typebuf_typed() 5748 && (vim_strchr(p_slm, c) != NULL)); 5749 } 5750 5751 /* 5752 * Start Visual mode "c". 5753 * Should set VIsual_select before calling this. 5754 */ 5755 static void 5756 n_start_visual_mode(int c) 5757 { 5758 #ifdef FEAT_CONCEAL 5759 int cursor_line_was_concealed = curwin->w_p_cole > 0 5760 && conceal_cursor_line(curwin); 5761 #endif 5762 5763 VIsual_mode = c; 5764 VIsual_active = TRUE; 5765 VIsual_reselect = TRUE; 5766 trigger_modechanged(); 5767 5768 // Corner case: the 0 position in a tab may change when going into 5769 // virtualedit. Recalculate curwin->w_cursor to avoid bad highlighting. 5770 if (c == Ctrl_V && (get_ve_flags() & VE_BLOCK) && gchar_cursor() == TAB) 5771 { 5772 validate_virtcol(); 5773 coladvance(curwin->w_virtcol); 5774 } 5775 VIsual = curwin->w_cursor; 5776 5777 #ifdef FEAT_FOLDING 5778 foldAdjustVisual(); 5779 #endif 5780 5781 setmouse(); 5782 #ifdef FEAT_CONCEAL 5783 // Check if redraw is needed after changing the state. 5784 conceal_check_cursor_line(cursor_line_was_concealed); 5785 #endif 5786 5787 if (p_smd && msg_silent == 0) 5788 redraw_cmdline = TRUE; // show visual mode later 5789 #ifdef FEAT_CLIPBOARD 5790 // Make sure the clipboard gets updated. Needed because start and 5791 // end may still be the same, and the selection needs to be owned 5792 clip_star.vmode = NUL; 5793 #endif 5794 5795 // Only need to redraw this line, unless still need to redraw an old 5796 // Visual area (when 'lazyredraw' is set). 5797 if (curwin->w_redr_type < INVERTED) 5798 { 5799 curwin->w_old_cursor_lnum = curwin->w_cursor.lnum; 5800 curwin->w_old_visual_lnum = curwin->w_cursor.lnum; 5801 } 5802 } 5803 5804 5805 /* 5806 * CTRL-W: Window commands 5807 */ 5808 static void 5809 nv_window(cmdarg_T *cap) 5810 { 5811 if (cap->nchar == ':') 5812 { 5813 // "CTRL-W :" is the same as typing ":"; useful in a terminal window 5814 cap->cmdchar = ':'; 5815 cap->nchar = NUL; 5816 nv_colon(cap); 5817 } 5818 else if (!checkclearop(cap->oap)) 5819 do_window(cap->nchar, cap->count0, NUL); // everything is in window.c 5820 } 5821 5822 /* 5823 * CTRL-Z: Suspend 5824 */ 5825 static void 5826 nv_suspend(cmdarg_T *cap) 5827 { 5828 clearop(cap->oap); 5829 if (VIsual_active) 5830 end_visual_mode(); // stop Visual mode 5831 do_cmdline_cmd((char_u *)"stop"); 5832 } 5833 5834 /* 5835 * Commands starting with "g". 5836 */ 5837 static void 5838 nv_g_cmd(cmdarg_T *cap) 5839 { 5840 oparg_T *oap = cap->oap; 5841 pos_T tpos; 5842 int i; 5843 int flag = FALSE; 5844 5845 switch (cap->nchar) 5846 { 5847 case Ctrl_A: 5848 case Ctrl_X: 5849 #ifdef MEM_PROFILE 5850 /* 5851 * "g^A": dump log of used memory. 5852 */ 5853 if (!VIsual_active && cap->nchar == Ctrl_A) 5854 vim_mem_profile_dump(); 5855 else 5856 #endif 5857 /* 5858 * "g^A/g^X": sequentially increment visually selected region 5859 */ 5860 if (VIsual_active) 5861 { 5862 cap->arg = TRUE; 5863 cap->cmdchar = cap->nchar; 5864 cap->nchar = NUL; 5865 nv_addsub(cap); 5866 } 5867 else 5868 clearopbeep(oap); 5869 break; 5870 5871 /* 5872 * "gR": Enter virtual replace mode. 5873 */ 5874 case 'R': 5875 cap->arg = TRUE; 5876 nv_Replace(cap); 5877 break; 5878 5879 case 'r': 5880 nv_vreplace(cap); 5881 break; 5882 5883 case '&': 5884 do_cmdline_cmd((char_u *)"%s//~/&"); 5885 break; 5886 5887 /* 5888 * "gv": Reselect the previous Visual area. If Visual already active, 5889 * exchange previous and current Visual area. 5890 */ 5891 case 'v': 5892 if (checkclearop(oap)) 5893 break; 5894 5895 if ( curbuf->b_visual.vi_start.lnum == 0 5896 || curbuf->b_visual.vi_start.lnum > curbuf->b_ml.ml_line_count 5897 || curbuf->b_visual.vi_end.lnum == 0) 5898 beep_flush(); 5899 else 5900 { 5901 // set w_cursor to the start of the Visual area, tpos to the end 5902 if (VIsual_active) 5903 { 5904 i = VIsual_mode; 5905 VIsual_mode = curbuf->b_visual.vi_mode; 5906 curbuf->b_visual.vi_mode = i; 5907 # ifdef FEAT_EVAL 5908 curbuf->b_visual_mode_eval = i; 5909 # endif 5910 i = curwin->w_curswant; 5911 curwin->w_curswant = curbuf->b_visual.vi_curswant; 5912 curbuf->b_visual.vi_curswant = i; 5913 5914 tpos = curbuf->b_visual.vi_end; 5915 curbuf->b_visual.vi_end = curwin->w_cursor; 5916 curwin->w_cursor = curbuf->b_visual.vi_start; 5917 curbuf->b_visual.vi_start = VIsual; 5918 } 5919 else 5920 { 5921 VIsual_mode = curbuf->b_visual.vi_mode; 5922 curwin->w_curswant = curbuf->b_visual.vi_curswant; 5923 tpos = curbuf->b_visual.vi_end; 5924 curwin->w_cursor = curbuf->b_visual.vi_start; 5925 } 5926 5927 VIsual_active = TRUE; 5928 VIsual_reselect = TRUE; 5929 5930 // Set Visual to the start and w_cursor to the end of the Visual 5931 // area. Make sure they are on an existing character. 5932 check_cursor(); 5933 VIsual = curwin->w_cursor; 5934 curwin->w_cursor = tpos; 5935 check_cursor(); 5936 update_topline(); 5937 /* 5938 * When called from normal "g" command: start Select mode when 5939 * 'selectmode' contains "cmd". When called for K_SELECT, always 5940 * start Select mode. 5941 */ 5942 if (cap->arg) 5943 VIsual_select = TRUE; 5944 else 5945 may_start_select('c'); 5946 setmouse(); 5947 #ifdef FEAT_CLIPBOARD 5948 // Make sure the clipboard gets updated. Needed because start and 5949 // end are still the same, and the selection needs to be owned 5950 clip_star.vmode = NUL; 5951 #endif 5952 redraw_curbuf_later(INVERTED); 5953 showmode(); 5954 } 5955 break; 5956 /* 5957 * "gV": Don't reselect the previous Visual area after a Select mode 5958 * mapping of menu. 5959 */ 5960 case 'V': 5961 VIsual_reselect = FALSE; 5962 break; 5963 5964 /* 5965 * "gh": start Select mode. 5966 * "gH": start Select line mode. 5967 * "g^H": start Select block mode. 5968 */ 5969 case K_BS: 5970 cap->nchar = Ctrl_H; 5971 // FALLTHROUGH 5972 case 'h': 5973 case 'H': 5974 case Ctrl_H: 5975 # ifdef EBCDIC 5976 // EBCDIC: 'v'-'h' != '^v'-'^h' 5977 if (cap->nchar == Ctrl_H) 5978 cap->cmdchar = Ctrl_V; 5979 else 5980 # endif 5981 cap->cmdchar = cap->nchar + ('v' - 'h'); 5982 cap->arg = TRUE; 5983 nv_visual(cap); 5984 break; 5985 5986 // "gn", "gN" visually select next/previous search match 5987 // "gn" selects next match 5988 // "gN" selects previous match 5989 case 'N': 5990 case 'n': 5991 if (!current_search(cap->count1, cap->nchar == 'n')) 5992 clearopbeep(oap); 5993 break; 5994 5995 /* 5996 * "gj" and "gk" two new funny movement keys -- up and down 5997 * movement based on *screen* line rather than *file* line. 5998 */ 5999 case 'j': 6000 case K_DOWN: 6001 // with 'nowrap' it works just like the normal "j" command. 6002 if (!curwin->w_p_wrap) 6003 { 6004 oap->motion_type = MLINE; 6005 i = cursor_down(cap->count1, oap->op_type == OP_NOP); 6006 } 6007 else 6008 i = nv_screengo(oap, FORWARD, cap->count1); 6009 if (i == FAIL) 6010 clearopbeep(oap); 6011 break; 6012 6013 case 'k': 6014 case K_UP: 6015 // with 'nowrap' it works just like the normal "k" command. 6016 if (!curwin->w_p_wrap) 6017 { 6018 oap->motion_type = MLINE; 6019 i = cursor_up(cap->count1, oap->op_type == OP_NOP); 6020 } 6021 else 6022 i = nv_screengo(oap, BACKWARD, cap->count1); 6023 if (i == FAIL) 6024 clearopbeep(oap); 6025 break; 6026 6027 /* 6028 * "gJ": join two lines without inserting a space. 6029 */ 6030 case 'J': 6031 nv_join(cap); 6032 break; 6033 6034 /* 6035 * "g0", "g^" and "g$": Like "0", "^" and "$" but for screen lines. 6036 * "gm": middle of "g0" and "g$". 6037 */ 6038 case '^': 6039 flag = TRUE; 6040 // FALLTHROUGH 6041 6042 case '0': 6043 case 'm': 6044 case K_HOME: 6045 case K_KHOME: 6046 oap->motion_type = MCHAR; 6047 oap->inclusive = FALSE; 6048 if (curwin->w_p_wrap && curwin->w_width != 0) 6049 { 6050 int width1 = curwin->w_width - curwin_col_off(); 6051 int width2 = width1 + curwin_col_off2(); 6052 6053 validate_virtcol(); 6054 i = 0; 6055 if (curwin->w_virtcol >= (colnr_T)width1 && width2 > 0) 6056 i = (curwin->w_virtcol - width1) / width2 * width2 + width1; 6057 } 6058 else 6059 i = curwin->w_leftcol; 6060 // Go to the middle of the screen line. When 'number' or 6061 // 'relativenumber' is on and lines are wrapping the middle can be more 6062 // to the left. 6063 if (cap->nchar == 'm') 6064 i += (curwin->w_width - curwin_col_off() 6065 + ((curwin->w_p_wrap && i > 0) 6066 ? curwin_col_off2() : 0)) / 2; 6067 coladvance((colnr_T)i); 6068 if (flag) 6069 { 6070 do 6071 i = gchar_cursor(); 6072 while (VIM_ISWHITE(i) && oneright() == OK); 6073 curwin->w_valid &= ~VALID_WCOL; 6074 } 6075 curwin->w_set_curswant = TRUE; 6076 break; 6077 6078 case 'M': 6079 { 6080 char_u *ptr = ml_get_curline(); 6081 6082 oap->motion_type = MCHAR; 6083 oap->inclusive = FALSE; 6084 if (has_mbyte) 6085 i = mb_string2cells(ptr, (int)STRLEN(ptr)); 6086 else 6087 i = (int)STRLEN(ptr); 6088 if (cap->count0 > 0 && cap->count0 <= 100) 6089 coladvance((colnr_T)(i * cap->count0 / 100)); 6090 else 6091 coladvance((colnr_T)(i / 2)); 6092 curwin->w_set_curswant = TRUE; 6093 } 6094 break; 6095 6096 case '_': 6097 // "g_": to the last non-blank character in the line or <count> lines 6098 // downward. 6099 cap->oap->motion_type = MCHAR; 6100 cap->oap->inclusive = TRUE; 6101 curwin->w_curswant = MAXCOL; 6102 if (cursor_down((long)(cap->count1 - 1), 6103 cap->oap->op_type == OP_NOP) == FAIL) 6104 clearopbeep(cap->oap); 6105 else 6106 { 6107 char_u *ptr = ml_get_curline(); 6108 6109 // In Visual mode we may end up after the line. 6110 if (curwin->w_cursor.col > 0 && ptr[curwin->w_cursor.col] == NUL) 6111 --curwin->w_cursor.col; 6112 6113 // Decrease the cursor column until it's on a non-blank. 6114 while (curwin->w_cursor.col > 0 6115 && VIM_ISWHITE(ptr[curwin->w_cursor.col])) 6116 --curwin->w_cursor.col; 6117 curwin->w_set_curswant = TRUE; 6118 adjust_for_sel(cap); 6119 } 6120 break; 6121 6122 case '$': 6123 case K_END: 6124 case K_KEND: 6125 { 6126 int col_off = curwin_col_off(); 6127 6128 oap->motion_type = MCHAR; 6129 oap->inclusive = TRUE; 6130 if (curwin->w_p_wrap && curwin->w_width != 0) 6131 { 6132 curwin->w_curswant = MAXCOL; // so we stay at the end 6133 if (cap->count1 == 1) 6134 { 6135 int width1 = curwin->w_width - col_off; 6136 int width2 = width1 + curwin_col_off2(); 6137 6138 validate_virtcol(); 6139 i = width1 - 1; 6140 if (curwin->w_virtcol >= (colnr_T)width1) 6141 i += ((curwin->w_virtcol - width1) / width2 + 1) 6142 * width2; 6143 coladvance((colnr_T)i); 6144 6145 // Make sure we stick in this column. 6146 validate_virtcol(); 6147 curwin->w_curswant = curwin->w_virtcol; 6148 curwin->w_set_curswant = FALSE; 6149 if (curwin->w_cursor.col > 0 && curwin->w_p_wrap) 6150 { 6151 /* 6152 * Check for landing on a character that got split at 6153 * the end of the line. We do not want to advance to 6154 * the next screen line. 6155 */ 6156 if (curwin->w_virtcol > (colnr_T)i) 6157 --curwin->w_cursor.col; 6158 } 6159 } 6160 else if (nv_screengo(oap, FORWARD, cap->count1 - 1) == FAIL) 6161 clearopbeep(oap); 6162 } 6163 else 6164 { 6165 if (cap->count1 > 1) 6166 // if it fails, let the cursor still move to the last char 6167 (void)cursor_down(cap->count1 - 1, FALSE); 6168 6169 i = curwin->w_leftcol + curwin->w_width - col_off - 1; 6170 coladvance((colnr_T)i); 6171 6172 // if the character doesn't fit move one back 6173 if (curwin->w_cursor.col > 0 6174 && (*mb_ptr2cells)(ml_get_cursor()) > 1) 6175 { 6176 colnr_T vcol; 6177 6178 getvvcol(curwin, &curwin->w_cursor, NULL, NULL, &vcol); 6179 if (vcol >= curwin->w_leftcol + curwin->w_width - col_off) 6180 --curwin->w_cursor.col; 6181 } 6182 6183 // Make sure we stick in this column. 6184 validate_virtcol(); 6185 curwin->w_curswant = curwin->w_virtcol; 6186 curwin->w_set_curswant = FALSE; 6187 } 6188 } 6189 break; 6190 6191 /* 6192 * "g*" and "g#", like "*" and "#" but without using "\<" and "\>" 6193 */ 6194 case '*': 6195 case '#': 6196 #if POUND != '#' 6197 case POUND: // pound sign (sometimes equal to '#') 6198 #endif 6199 case Ctrl_RSB: // :tag or :tselect for current identifier 6200 case ']': // :tselect for current identifier 6201 nv_ident(cap); 6202 break; 6203 6204 /* 6205 * ge and gE: go back to end of word 6206 */ 6207 case 'e': 6208 case 'E': 6209 oap->motion_type = MCHAR; 6210 curwin->w_set_curswant = TRUE; 6211 oap->inclusive = TRUE; 6212 if (bckend_word(cap->count1, cap->nchar == 'E', FALSE) == FAIL) 6213 clearopbeep(oap); 6214 break; 6215 6216 /* 6217 * "g CTRL-G": display info about cursor position 6218 */ 6219 case Ctrl_G: 6220 cursor_pos_info(NULL); 6221 break; 6222 6223 /* 6224 * "gi": start Insert at the last position. 6225 */ 6226 case 'i': 6227 if (curbuf->b_last_insert.lnum != 0) 6228 { 6229 curwin->w_cursor = curbuf->b_last_insert; 6230 check_cursor_lnum(); 6231 i = (int)STRLEN(ml_get_curline()); 6232 if (curwin->w_cursor.col > (colnr_T)i) 6233 { 6234 if (virtual_active()) 6235 curwin->w_cursor.coladd += curwin->w_cursor.col - i; 6236 curwin->w_cursor.col = i; 6237 } 6238 } 6239 cap->cmdchar = 'i'; 6240 nv_edit(cap); 6241 break; 6242 6243 /* 6244 * "gI": Start insert in column 1. 6245 */ 6246 case 'I': 6247 beginline(0); 6248 if (!checkclearopq(oap)) 6249 invoke_edit(cap, FALSE, 'g', FALSE); 6250 break; 6251 6252 #ifdef FEAT_SEARCHPATH 6253 /* 6254 * "gf": goto file, edit file under cursor 6255 * "]f" and "[f": can also be used. 6256 */ 6257 case 'f': 6258 case 'F': 6259 nv_gotofile(cap); 6260 break; 6261 #endif 6262 6263 // "g'm" and "g`m": jump to mark without setting pcmark 6264 case '\'': 6265 cap->arg = TRUE; 6266 // FALLTHROUGH 6267 case '`': 6268 nv_gomark(cap); 6269 break; 6270 6271 /* 6272 * "gs": Goto sleep. 6273 */ 6274 case 's': 6275 do_sleep(cap->count1 * 1000L, FALSE); 6276 break; 6277 6278 /* 6279 * "ga": Display the ascii value of the character under the 6280 * cursor. It is displayed in decimal, hex, and octal. -- webb 6281 */ 6282 case 'a': 6283 do_ascii(NULL); 6284 break; 6285 6286 /* 6287 * "g8": Display the bytes used for the UTF-8 character under the 6288 * cursor. It is displayed in hex. 6289 * "8g8" finds illegal byte sequence. 6290 */ 6291 case '8': 6292 if (cap->count0 == 8) 6293 utf_find_illegal(); 6294 else 6295 show_utf8(); 6296 break; 6297 6298 // "g<": show scrollback text 6299 case '<': 6300 show_sb_text(); 6301 break; 6302 6303 /* 6304 * "gg": Goto the first line in file. With a count it goes to 6305 * that line number like for "G". -- webb 6306 */ 6307 case 'g': 6308 cap->arg = FALSE; 6309 nv_goto(cap); 6310 break; 6311 6312 /* 6313 * Two-character operators: 6314 * "gq" Format text 6315 * "gw" Format text and keep cursor position 6316 * "g~" Toggle the case of the text. 6317 * "gu" Change text to lower case. 6318 * "gU" Change text to upper case. 6319 * "g?" rot13 encoding 6320 * "g@" call 'operatorfunc' 6321 */ 6322 case 'q': 6323 case 'w': 6324 oap->cursor_start = curwin->w_cursor; 6325 // FALLTHROUGH 6326 case '~': 6327 case 'u': 6328 case 'U': 6329 case '?': 6330 case '@': 6331 nv_operator(cap); 6332 break; 6333 6334 /* 6335 * "gd": Find first occurrence of pattern under the cursor in the 6336 * current function 6337 * "gD": idem, but in the current file. 6338 */ 6339 case 'd': 6340 case 'D': 6341 nv_gd(oap, cap->nchar, (int)cap->count0); 6342 break; 6343 6344 /* 6345 * g<*Mouse> : <C-*mouse> 6346 */ 6347 case K_MIDDLEMOUSE: 6348 case K_MIDDLEDRAG: 6349 case K_MIDDLERELEASE: 6350 case K_LEFTMOUSE: 6351 case K_LEFTDRAG: 6352 case K_LEFTRELEASE: 6353 case K_MOUSEMOVE: 6354 case K_RIGHTMOUSE: 6355 case K_RIGHTDRAG: 6356 case K_RIGHTRELEASE: 6357 case K_X1MOUSE: 6358 case K_X1DRAG: 6359 case K_X1RELEASE: 6360 case K_X2MOUSE: 6361 case K_X2DRAG: 6362 case K_X2RELEASE: 6363 mod_mask = MOD_MASK_CTRL; 6364 (void)do_mouse(oap, cap->nchar, BACKWARD, cap->count1, 0); 6365 break; 6366 6367 case K_IGNORE: 6368 break; 6369 6370 /* 6371 * "gP" and "gp": same as "P" and "p" but leave cursor just after new text 6372 */ 6373 case 'p': 6374 case 'P': 6375 nv_put(cap); 6376 break; 6377 6378 #ifdef FEAT_BYTEOFF 6379 // "go": goto byte count from start of buffer 6380 case 'o': 6381 goto_byte(cap->count0); 6382 break; 6383 #endif 6384 6385 // "gQ": improved Ex mode 6386 case 'Q': 6387 if (text_locked()) 6388 { 6389 clearopbeep(cap->oap); 6390 text_locked_msg(); 6391 break; 6392 } 6393 6394 if (!checkclearopq(oap)) 6395 do_exmode(TRUE); 6396 break; 6397 6398 #ifdef FEAT_JUMPLIST 6399 case ',': 6400 nv_pcmark(cap); 6401 break; 6402 6403 case ';': 6404 cap->count1 = -cap->count1; 6405 nv_pcmark(cap); 6406 break; 6407 #endif 6408 6409 case 't': 6410 if (!checkclearop(oap)) 6411 goto_tabpage((int)cap->count0); 6412 break; 6413 case 'T': 6414 if (!checkclearop(oap)) 6415 goto_tabpage(-(int)cap->count1); 6416 break; 6417 6418 case TAB: 6419 if (!checkclearop(oap) && goto_tabpage_lastused() == FAIL) 6420 clearopbeep(oap); 6421 break; 6422 6423 case '+': 6424 case '-': // "g+" and "g-": undo or redo along the timeline 6425 if (!checkclearopq(oap)) 6426 undo_time(cap->nchar == '-' ? -cap->count1 : cap->count1, 6427 FALSE, FALSE, FALSE); 6428 break; 6429 6430 default: 6431 clearopbeep(oap); 6432 break; 6433 } 6434 } 6435 6436 /* 6437 * Handle "o" and "O" commands. 6438 */ 6439 static void 6440 n_opencmd(cmdarg_T *cap) 6441 { 6442 #ifdef FEAT_CONCEAL 6443 linenr_T oldline = curwin->w_cursor.lnum; 6444 #endif 6445 6446 if (!checkclearopq(cap->oap)) 6447 { 6448 #ifdef FEAT_FOLDING 6449 if (cap->cmdchar == 'O') 6450 // Open above the first line of a folded sequence of lines 6451 (void)hasFolding(curwin->w_cursor.lnum, 6452 &curwin->w_cursor.lnum, NULL); 6453 else 6454 // Open below the last line of a folded sequence of lines 6455 (void)hasFolding(curwin->w_cursor.lnum, 6456 NULL, &curwin->w_cursor.lnum); 6457 #endif 6458 if (u_save((linenr_T)(curwin->w_cursor.lnum - 6459 (cap->cmdchar == 'O' ? 1 : 0)), 6460 (linenr_T)(curwin->w_cursor.lnum + 6461 (cap->cmdchar == 'o' ? 1 : 0)) 6462 ) == OK 6463 && open_line(cap->cmdchar == 'O' ? BACKWARD : FORWARD, 6464 has_format_option(FO_OPEN_COMS) ? OPENLINE_DO_COM : 0, 6465 0) == OK) 6466 { 6467 #ifdef FEAT_CONCEAL 6468 if (curwin->w_p_cole > 0 && oldline != curwin->w_cursor.lnum) 6469 redrawWinline(curwin, oldline); 6470 #endif 6471 #ifdef FEAT_SYN_HL 6472 if (curwin->w_p_cul) 6473 // force redraw of cursorline 6474 curwin->w_valid &= ~VALID_CROW; 6475 #endif 6476 // When '#' is in 'cpoptions' ignore the count. 6477 if (vim_strchr(p_cpo, CPO_HASH) != NULL) 6478 cap->count1 = 1; 6479 invoke_edit(cap, FALSE, cap->cmdchar, TRUE); 6480 } 6481 } 6482 } 6483 6484 /* 6485 * "." command: redo last change. 6486 */ 6487 static void 6488 nv_dot(cmdarg_T *cap) 6489 { 6490 if (!checkclearopq(cap->oap)) 6491 { 6492 /* 6493 * If "restart_edit" is TRUE, the last but one command is repeated 6494 * instead of the last command (inserting text). This is used for 6495 * CTRL-O <.> in insert mode. 6496 */ 6497 if (start_redo(cap->count0, restart_edit != 0 && !arrow_used) == FAIL) 6498 clearopbeep(cap->oap); 6499 } 6500 } 6501 6502 /* 6503 * CTRL-R: undo undo 6504 */ 6505 static void 6506 nv_redo(cmdarg_T *cap) 6507 { 6508 if (!checkclearopq(cap->oap)) 6509 { 6510 u_redo((int)cap->count1); 6511 curwin->w_set_curswant = TRUE; 6512 } 6513 } 6514 6515 /* 6516 * Handle "U" command. 6517 */ 6518 static void 6519 nv_Undo(cmdarg_T *cap) 6520 { 6521 // In Visual mode and typing "gUU" triggers an operator 6522 if (cap->oap->op_type == OP_UPPER || VIsual_active) 6523 { 6524 // translate "gUU" to "gUgU" 6525 cap->cmdchar = 'g'; 6526 cap->nchar = 'U'; 6527 nv_operator(cap); 6528 } 6529 else if (!checkclearopq(cap->oap)) 6530 { 6531 u_undoline(); 6532 curwin->w_set_curswant = TRUE; 6533 } 6534 } 6535 6536 /* 6537 * '~' command: If tilde is not an operator and Visual is off: swap case of a 6538 * single character. 6539 */ 6540 static void 6541 nv_tilde(cmdarg_T *cap) 6542 { 6543 if (!p_to && !VIsual_active && cap->oap->op_type != OP_TILDE) 6544 { 6545 #ifdef FEAT_JOB_CHANNEL 6546 if (bt_prompt(curbuf) && !prompt_curpos_editable()) 6547 { 6548 clearopbeep(cap->oap); 6549 return; 6550 } 6551 #endif 6552 n_swapchar(cap); 6553 } 6554 else 6555 nv_operator(cap); 6556 } 6557 6558 /* 6559 * Handle an operator command. 6560 * The actual work is done by do_pending_operator(). 6561 */ 6562 static void 6563 nv_operator(cmdarg_T *cap) 6564 { 6565 int op_type; 6566 6567 op_type = get_op_type(cap->cmdchar, cap->nchar); 6568 #ifdef FEAT_JOB_CHANNEL 6569 if (bt_prompt(curbuf) && op_is_change(op_type) && !prompt_curpos_editable()) 6570 { 6571 clearopbeep(cap->oap); 6572 return; 6573 } 6574 #endif 6575 6576 if (op_type == cap->oap->op_type) // double operator works on lines 6577 nv_lineop(cap); 6578 else if (!checkclearop(cap->oap)) 6579 { 6580 cap->oap->start = curwin->w_cursor; 6581 cap->oap->op_type = op_type; 6582 #ifdef FEAT_EVAL 6583 set_op_var(op_type); 6584 #endif 6585 } 6586 } 6587 6588 #ifdef FEAT_EVAL 6589 /* 6590 * Set v:operator to the characters for "optype". 6591 */ 6592 static void 6593 set_op_var(int optype) 6594 { 6595 char_u opchars[3]; 6596 6597 if (optype == OP_NOP) 6598 set_vim_var_string(VV_OP, NULL, 0); 6599 else 6600 { 6601 opchars[0] = get_op_char(optype); 6602 opchars[1] = get_extra_op_char(optype); 6603 opchars[2] = NUL; 6604 set_vim_var_string(VV_OP, opchars, -1); 6605 } 6606 } 6607 #endif 6608 6609 /* 6610 * Handle linewise operator "dd", "yy", etc. 6611 * 6612 * "_" is is a strange motion command that helps make operators more logical. 6613 * It is actually implemented, but not documented in the real Vi. This motion 6614 * command actually refers to "the current line". Commands like "dd" and "yy" 6615 * are really an alternate form of "d_" and "y_". It does accept a count, so 6616 * "d3_" works to delete 3 lines. 6617 */ 6618 static void 6619 nv_lineop(cmdarg_T *cap) 6620 { 6621 cap->oap->motion_type = MLINE; 6622 if (cursor_down(cap->count1 - 1L, cap->oap->op_type == OP_NOP) == FAIL) 6623 clearopbeep(cap->oap); 6624 else if ( (cap->oap->op_type == OP_DELETE // only with linewise motions 6625 && cap->oap->motion_force != 'v' 6626 && cap->oap->motion_force != Ctrl_V) 6627 || cap->oap->op_type == OP_LSHIFT 6628 || cap->oap->op_type == OP_RSHIFT) 6629 beginline(BL_SOL | BL_FIX); 6630 else if (cap->oap->op_type != OP_YANK) // 'Y' does not move cursor 6631 beginline(BL_WHITE | BL_FIX); 6632 } 6633 6634 /* 6635 * <Home> command. 6636 */ 6637 static void 6638 nv_home(cmdarg_T *cap) 6639 { 6640 // CTRL-HOME is like "gg" 6641 if (mod_mask & MOD_MASK_CTRL) 6642 nv_goto(cap); 6643 else 6644 { 6645 cap->count0 = 1; 6646 nv_pipe(cap); 6647 } 6648 ins_at_eol = FALSE; // Don't move cursor past eol (only necessary in a 6649 // one-character line). 6650 } 6651 6652 /* 6653 * "|" command. 6654 */ 6655 static void 6656 nv_pipe(cmdarg_T *cap) 6657 { 6658 cap->oap->motion_type = MCHAR; 6659 cap->oap->inclusive = FALSE; 6660 beginline(0); 6661 if (cap->count0 > 0) 6662 { 6663 coladvance((colnr_T)(cap->count0 - 1)); 6664 curwin->w_curswant = (colnr_T)(cap->count0 - 1); 6665 } 6666 else 6667 curwin->w_curswant = 0; 6668 // keep curswant at the column where we wanted to go, not where 6669 // we ended; differs if line is too short 6670 curwin->w_set_curswant = FALSE; 6671 } 6672 6673 /* 6674 * Handle back-word command "b" and "B". 6675 * cap->arg is 1 for "B" 6676 */ 6677 static void 6678 nv_bck_word(cmdarg_T *cap) 6679 { 6680 cap->oap->motion_type = MCHAR; 6681 cap->oap->inclusive = FALSE; 6682 curwin->w_set_curswant = TRUE; 6683 if (bck_word(cap->count1, cap->arg, FALSE) == FAIL) 6684 clearopbeep(cap->oap); 6685 #ifdef FEAT_FOLDING 6686 else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP) 6687 foldOpenCursor(); 6688 #endif 6689 } 6690 6691 /* 6692 * Handle word motion commands "e", "E", "w" and "W". 6693 * cap->arg is TRUE for "E" and "W". 6694 */ 6695 static void 6696 nv_wordcmd(cmdarg_T *cap) 6697 { 6698 int n; 6699 int word_end; 6700 int flag = FALSE; 6701 pos_T startpos = curwin->w_cursor; 6702 6703 /* 6704 * Set inclusive for the "E" and "e" command. 6705 */ 6706 if (cap->cmdchar == 'e' || cap->cmdchar == 'E') 6707 word_end = TRUE; 6708 else 6709 word_end = FALSE; 6710 cap->oap->inclusive = word_end; 6711 6712 /* 6713 * "cw" and "cW" are a special case. 6714 */ 6715 if (!word_end && cap->oap->op_type == OP_CHANGE) 6716 { 6717 n = gchar_cursor(); 6718 if (n != NUL) // not an empty line 6719 { 6720 if (VIM_ISWHITE(n)) 6721 { 6722 /* 6723 * Reproduce a funny Vi behaviour: "cw" on a blank only 6724 * changes one character, not all blanks until the start of 6725 * the next word. Only do this when the 'w' flag is included 6726 * in 'cpoptions'. 6727 */ 6728 if (cap->count1 == 1 && vim_strchr(p_cpo, CPO_CW) != NULL) 6729 { 6730 cap->oap->inclusive = TRUE; 6731 cap->oap->motion_type = MCHAR; 6732 return; 6733 } 6734 } 6735 else 6736 { 6737 /* 6738 * This is a little strange. To match what the real Vi does, 6739 * we effectively map 'cw' to 'ce', and 'cW' to 'cE', provided 6740 * that we are not on a space or a TAB. This seems impolite 6741 * at first, but it's really more what we mean when we say 6742 * 'cw'. 6743 * Another strangeness: When standing on the end of a word 6744 * "ce" will change until the end of the next word, but "cw" 6745 * will change only one character! This is done by setting 6746 * flag. 6747 */ 6748 cap->oap->inclusive = TRUE; 6749 word_end = TRUE; 6750 flag = TRUE; 6751 } 6752 } 6753 } 6754 6755 cap->oap->motion_type = MCHAR; 6756 curwin->w_set_curswant = TRUE; 6757 if (word_end) 6758 n = end_word(cap->count1, cap->arg, flag, FALSE); 6759 else 6760 n = fwd_word(cap->count1, cap->arg, cap->oap->op_type != OP_NOP); 6761 6762 // Don't leave the cursor on the NUL past the end of line. Unless we 6763 // didn't move it forward. 6764 if (LT_POS(startpos, curwin->w_cursor)) 6765 adjust_cursor(cap->oap); 6766 6767 if (n == FAIL && cap->oap->op_type == OP_NOP) 6768 clearopbeep(cap->oap); 6769 else 6770 { 6771 adjust_for_sel(cap); 6772 #ifdef FEAT_FOLDING 6773 if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP) 6774 foldOpenCursor(); 6775 #endif 6776 } 6777 } 6778 6779 /* 6780 * Used after a movement command: If the cursor ends up on the NUL after the 6781 * end of the line, may move it back to the last character and make the motion 6782 * inclusive. 6783 */ 6784 static void 6785 adjust_cursor(oparg_T *oap) 6786 { 6787 // The cursor cannot remain on the NUL when: 6788 // - the column is > 0 6789 // - not in Visual mode or 'selection' is "o" 6790 // - 'virtualedit' is not "all" and not "onemore". 6791 if (curwin->w_cursor.col > 0 && gchar_cursor() == NUL 6792 && (!VIsual_active || *p_sel == 'o') 6793 && !virtual_active() && (get_ve_flags() & VE_ONEMORE) == 0) 6794 { 6795 --curwin->w_cursor.col; 6796 // prevent cursor from moving on the trail byte 6797 if (has_mbyte) 6798 mb_adjust_cursor(); 6799 oap->inclusive = TRUE; 6800 } 6801 } 6802 6803 /* 6804 * "0" and "^" commands. 6805 * cap->arg is the argument for beginline(). 6806 */ 6807 static void 6808 nv_beginline(cmdarg_T *cap) 6809 { 6810 cap->oap->motion_type = MCHAR; 6811 cap->oap->inclusive = FALSE; 6812 beginline(cap->arg); 6813 #ifdef FEAT_FOLDING 6814 if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP) 6815 foldOpenCursor(); 6816 #endif 6817 ins_at_eol = FALSE; // Don't move cursor past eol (only necessary in a 6818 // one-character line). 6819 } 6820 6821 /* 6822 * In exclusive Visual mode, may include the last character. 6823 */ 6824 static void 6825 adjust_for_sel(cmdarg_T *cap) 6826 { 6827 if (VIsual_active && cap->oap->inclusive && *p_sel == 'e' 6828 && gchar_cursor() != NUL && LT_POS(VIsual, curwin->w_cursor)) 6829 { 6830 if (has_mbyte) 6831 inc_cursor(); 6832 else 6833 ++curwin->w_cursor.col; 6834 cap->oap->inclusive = FALSE; 6835 } 6836 } 6837 6838 /* 6839 * Exclude last character at end of Visual area for 'selection' == "exclusive". 6840 * Should check VIsual_mode before calling this. 6841 * Returns TRUE when backed up to the previous line. 6842 */ 6843 int 6844 unadjust_for_sel(void) 6845 { 6846 pos_T *pp; 6847 6848 if (*p_sel == 'e' && !EQUAL_POS(VIsual, curwin->w_cursor)) 6849 { 6850 if (LT_POS(VIsual, curwin->w_cursor)) 6851 pp = &curwin->w_cursor; 6852 else 6853 pp = &VIsual; 6854 if (pp->coladd > 0) 6855 --pp->coladd; 6856 else 6857 if (pp->col > 0) 6858 { 6859 --pp->col; 6860 mb_adjustpos(curbuf, pp); 6861 } 6862 else if (pp->lnum > 1) 6863 { 6864 --pp->lnum; 6865 pp->col = (colnr_T)STRLEN(ml_get(pp->lnum)); 6866 return TRUE; 6867 } 6868 } 6869 return FALSE; 6870 } 6871 6872 /* 6873 * SELECT key in Normal or Visual mode: end of Select mode mapping. 6874 */ 6875 static void 6876 nv_select(cmdarg_T *cap) 6877 { 6878 if (VIsual_active) 6879 VIsual_select = TRUE; 6880 else if (VIsual_reselect) 6881 { 6882 cap->nchar = 'v'; // fake "gv" command 6883 cap->arg = TRUE; 6884 nv_g_cmd(cap); 6885 } 6886 } 6887 6888 6889 /* 6890 * "G", "gg", CTRL-END, CTRL-HOME. 6891 * cap->arg is TRUE for "G". 6892 */ 6893 static void 6894 nv_goto(cmdarg_T *cap) 6895 { 6896 linenr_T lnum; 6897 6898 if (cap->arg) 6899 lnum = curbuf->b_ml.ml_line_count; 6900 else 6901 lnum = 1L; 6902 cap->oap->motion_type = MLINE; 6903 setpcmark(); 6904 6905 // When a count is given, use it instead of the default lnum 6906 if (cap->count0 != 0) 6907 lnum = cap->count0; 6908 if (lnum < 1L) 6909 lnum = 1L; 6910 else if (lnum > curbuf->b_ml.ml_line_count) 6911 lnum = curbuf->b_ml.ml_line_count; 6912 curwin->w_cursor.lnum = lnum; 6913 beginline(BL_SOL | BL_FIX); 6914 #ifdef FEAT_FOLDING 6915 if ((fdo_flags & FDO_JUMP) && KeyTyped && cap->oap->op_type == OP_NOP) 6916 foldOpenCursor(); 6917 #endif 6918 } 6919 6920 /* 6921 * CTRL-\ in Normal mode. 6922 */ 6923 static void 6924 nv_normal(cmdarg_T *cap) 6925 { 6926 if (cap->nchar == Ctrl_N || cap->nchar == Ctrl_G) 6927 { 6928 clearop(cap->oap); 6929 if (restart_edit != 0 && mode_displayed) 6930 clear_cmdline = TRUE; // unshow mode later 6931 restart_edit = 0; 6932 #ifdef FEAT_CMDWIN 6933 if (cmdwin_type != 0) 6934 cmdwin_result = Ctrl_C; 6935 #endif 6936 if (VIsual_active) 6937 { 6938 end_visual_mode(); // stop Visual 6939 redraw_curbuf_later(INVERTED); 6940 } 6941 // CTRL-\ CTRL-G restarts Insert mode when 'insertmode' is set. 6942 if (cap->nchar == Ctrl_G && p_im) 6943 restart_edit = 'a'; 6944 } 6945 else 6946 clearopbeep(cap->oap); 6947 } 6948 6949 /* 6950 * ESC in Normal mode: beep, but don't flush buffers. 6951 * Don't even beep if we are canceling a command. 6952 */ 6953 static void 6954 nv_esc(cmdarg_T *cap) 6955 { 6956 int no_reason; 6957 6958 no_reason = (cap->oap->op_type == OP_NOP 6959 && cap->opcount == 0 6960 && cap->count0 == 0 6961 && cap->oap->regname == 0 6962 && !p_im); 6963 6964 if (cap->arg) // TRUE for CTRL-C 6965 { 6966 if (restart_edit == 0 6967 #ifdef FEAT_CMDWIN 6968 && cmdwin_type == 0 6969 #endif 6970 && !VIsual_active 6971 && no_reason) 6972 { 6973 if (anyBufIsChanged()) 6974 msg(_("Type :qa! and press <Enter> to abandon all changes and exit Vim")); 6975 else 6976 msg(_("Type :qa and press <Enter> to exit Vim")); 6977 } 6978 6979 // Don't reset "restart_edit" when 'insertmode' is set, it won't be 6980 // set again below when halfway a mapping. 6981 if (!p_im) 6982 restart_edit = 0; 6983 #ifdef FEAT_CMDWIN 6984 if (cmdwin_type != 0) 6985 { 6986 cmdwin_result = K_IGNORE; 6987 got_int = FALSE; // don't stop executing autocommands et al. 6988 return; 6989 } 6990 #endif 6991 } 6992 #ifdef FEAT_CMDWIN 6993 else if (cmdwin_type != 0 && ex_normal_busy) 6994 { 6995 // When :normal runs out of characters while in the command line window 6996 // vgetorpeek() will return ESC. Exit the cmdline window to break the 6997 // loop. 6998 cmdwin_result = K_IGNORE; 6999 return; 7000 } 7001 #endif 7002 7003 if (VIsual_active) 7004 { 7005 end_visual_mode(); // stop Visual 7006 check_cursor_col(); // make sure cursor is not beyond EOL 7007 curwin->w_set_curswant = TRUE; 7008 redraw_curbuf_later(INVERTED); 7009 } 7010 else if (no_reason) 7011 vim_beep(BO_ESC); 7012 clearop(cap->oap); 7013 7014 // A CTRL-C is often used at the start of a menu. When 'insertmode' is 7015 // set return to Insert mode afterwards. 7016 if (restart_edit == 0 && goto_im() && ex_normal_busy == 0) 7017 restart_edit = 'a'; 7018 } 7019 7020 /* 7021 * Move the cursor for the "A" command. 7022 */ 7023 void 7024 set_cursor_for_append_to_line(void) 7025 { 7026 curwin->w_set_curswant = TRUE; 7027 if (get_ve_flags() == VE_ALL) 7028 { 7029 int save_State = State; 7030 7031 // Pretend Insert mode here to allow the cursor on the 7032 // character past the end of the line 7033 State = INSERT; 7034 coladvance((colnr_T)MAXCOL); 7035 State = save_State; 7036 } 7037 else 7038 curwin->w_cursor.col += (colnr_T)STRLEN(ml_get_cursor()); 7039 } 7040 7041 /* 7042 * Handle "A", "a", "I", "i" and <Insert> commands. 7043 * Also handle K_PS, start bracketed paste. 7044 */ 7045 static void 7046 nv_edit(cmdarg_T *cap) 7047 { 7048 // <Insert> is equal to "i" 7049 if (cap->cmdchar == K_INS || cap->cmdchar == K_KINS) 7050 cap->cmdchar = 'i'; 7051 7052 // in Visual mode "A" and "I" are an operator 7053 if (VIsual_active && (cap->cmdchar == 'A' || cap->cmdchar == 'I')) 7054 { 7055 #ifdef FEAT_TERMINAL 7056 if (term_in_normal_mode()) 7057 { 7058 end_visual_mode(); 7059 clearop(cap->oap); 7060 term_enter_job_mode(); 7061 return; 7062 } 7063 #endif 7064 v_visop(cap); 7065 } 7066 7067 // in Visual mode and after an operator "a" and "i" are for text objects 7068 else if ((cap->cmdchar == 'a' || cap->cmdchar == 'i') 7069 && (cap->oap->op_type != OP_NOP || VIsual_active)) 7070 { 7071 #ifdef FEAT_TEXTOBJ 7072 nv_object(cap); 7073 #else 7074 clearopbeep(cap->oap); 7075 #endif 7076 } 7077 #ifdef FEAT_TERMINAL 7078 else if (term_in_normal_mode()) 7079 { 7080 clearop(cap->oap); 7081 term_enter_job_mode(); 7082 return; 7083 } 7084 #endif 7085 else if (!curbuf->b_p_ma && !p_im) 7086 { 7087 // Only give this error when 'insertmode' is off. 7088 emsg(_(e_cannot_make_changes_modifiable_is_off)); 7089 clearop(cap->oap); 7090 if (cap->cmdchar == K_PS) 7091 // drop the pasted text 7092 bracketed_paste(PASTE_INSERT, TRUE, NULL); 7093 } 7094 else if (cap->cmdchar == K_PS && VIsual_active) 7095 { 7096 pos_T old_pos = curwin->w_cursor; 7097 pos_T old_visual = VIsual; 7098 7099 // In Visual mode the selected text is deleted. 7100 if (VIsual_mode == 'V' || curwin->w_cursor.lnum != VIsual.lnum) 7101 { 7102 shift_delete_registers(); 7103 cap->oap->regname = '1'; 7104 } 7105 else 7106 cap->oap->regname = '-'; 7107 cap->cmdchar = 'd'; 7108 cap->nchar = NUL; 7109 nv_operator(cap); 7110 do_pending_operator(cap, 0, FALSE); 7111 cap->cmdchar = K_PS; 7112 7113 // When the last char in the line was deleted then append. Detect this 7114 // by checking if the cursor moved to before the Visual area. 7115 if (*ml_get_cursor() != NUL && LT_POS(curwin->w_cursor, old_pos) 7116 && LT_POS(curwin->w_cursor, old_visual)) 7117 inc_cursor(); 7118 7119 // Insert to replace the deleted text with the pasted text. 7120 invoke_edit(cap, FALSE, cap->cmdchar, FALSE); 7121 } 7122 else if (!checkclearopq(cap->oap)) 7123 { 7124 switch (cap->cmdchar) 7125 { 7126 case 'A': // "A"ppend after the line 7127 set_cursor_for_append_to_line(); 7128 break; 7129 7130 case 'I': // "I"nsert before the first non-blank 7131 if (vim_strchr(p_cpo, CPO_INSEND) == NULL) 7132 beginline(BL_WHITE); 7133 else 7134 beginline(BL_WHITE|BL_FIX); 7135 break; 7136 7137 case K_PS: 7138 // Bracketed paste works like "a"ppend, unless the cursor is in 7139 // the first column, then it inserts. 7140 if (curwin->w_cursor.col == 0) 7141 break; 7142 // FALLTHROUGH 7143 7144 case 'a': // "a"ppend is like "i"nsert on the next character. 7145 // increment coladd when in virtual space, increment the 7146 // column otherwise, also to append after an unprintable char 7147 if (virtual_active() 7148 && (curwin->w_cursor.coladd > 0 7149 || *ml_get_cursor() == NUL 7150 || *ml_get_cursor() == TAB)) 7151 curwin->w_cursor.coladd++; 7152 else if (*ml_get_cursor() != NUL) 7153 inc_cursor(); 7154 break; 7155 } 7156 7157 if (curwin->w_cursor.coladd && cap->cmdchar != 'A') 7158 { 7159 int save_State = State; 7160 7161 // Pretend Insert mode here to allow the cursor on the 7162 // character past the end of the line 7163 State = INSERT; 7164 coladvance(getviscol()); 7165 State = save_State; 7166 } 7167 7168 invoke_edit(cap, FALSE, cap->cmdchar, FALSE); 7169 } 7170 else if (cap->cmdchar == K_PS) 7171 // drop the pasted text 7172 bracketed_paste(PASTE_INSERT, TRUE, NULL); 7173 } 7174 7175 /* 7176 * Invoke edit() and take care of "restart_edit" and the return value. 7177 */ 7178 static void 7179 invoke_edit( 7180 cmdarg_T *cap, 7181 int repl, // "r" or "gr" command 7182 int cmd, 7183 int startln) 7184 { 7185 int restart_edit_save = 0; 7186 7187 // Complicated: When the user types "a<C-O>a" we don't want to do Insert 7188 // mode recursively. But when doing "a<C-O>." or "a<C-O>rx" we do allow 7189 // it. 7190 if (repl || !stuff_empty()) 7191 restart_edit_save = restart_edit; 7192 else 7193 restart_edit_save = 0; 7194 7195 // Always reset "restart_edit", this is not a restarted edit. 7196 restart_edit = 0; 7197 7198 if (edit(cmd, startln, cap->count1)) 7199 cap->retval |= CA_COMMAND_BUSY; 7200 7201 if (restart_edit == 0) 7202 restart_edit = restart_edit_save; 7203 } 7204 7205 #ifdef FEAT_TEXTOBJ 7206 /* 7207 * "a" or "i" while an operator is pending or in Visual mode: object motion. 7208 */ 7209 static void 7210 nv_object( 7211 cmdarg_T *cap) 7212 { 7213 int flag; 7214 int include; 7215 char_u *mps_save; 7216 7217 if (cap->cmdchar == 'i') 7218 include = FALSE; // "ix" = inner object: exclude white space 7219 else 7220 include = TRUE; // "ax" = an object: include white space 7221 7222 // Make sure (), [], {} and <> are in 'matchpairs' 7223 mps_save = curbuf->b_p_mps; 7224 curbuf->b_p_mps = (char_u *)"(:),{:},[:],<:>"; 7225 7226 switch (cap->nchar) 7227 { 7228 case 'w': // "aw" = a word 7229 flag = current_word(cap->oap, cap->count1, include, FALSE); 7230 break; 7231 case 'W': // "aW" = a WORD 7232 flag = current_word(cap->oap, cap->count1, include, TRUE); 7233 break; 7234 case 'b': // "ab" = a braces block 7235 case '(': 7236 case ')': 7237 flag = current_block(cap->oap, cap->count1, include, '(', ')'); 7238 break; 7239 case 'B': // "aB" = a Brackets block 7240 case '{': 7241 case '}': 7242 flag = current_block(cap->oap, cap->count1, include, '{', '}'); 7243 break; 7244 case '[': // "a[" = a [] block 7245 case ']': 7246 flag = current_block(cap->oap, cap->count1, include, '[', ']'); 7247 break; 7248 case '<': // "a<" = a <> block 7249 case '>': 7250 flag = current_block(cap->oap, cap->count1, include, '<', '>'); 7251 break; 7252 case 't': // "at" = a tag block (xml and html) 7253 // Do not adjust oap->end in do_pending_operator() 7254 // otherwise there are different results for 'dit' 7255 // (note leading whitespace in last line): 7256 // 1) <b> 2) <b> 7257 // foobar foobar 7258 // </b> </b> 7259 cap->retval |= CA_NO_ADJ_OP_END; 7260 flag = current_tagblock(cap->oap, cap->count1, include); 7261 break; 7262 case 'p': // "ap" = a paragraph 7263 flag = current_par(cap->oap, cap->count1, include, 'p'); 7264 break; 7265 case 's': // "as" = a sentence 7266 flag = current_sent(cap->oap, cap->count1, include); 7267 break; 7268 case '"': // "a"" = a double quoted string 7269 case '\'': // "a'" = a single quoted string 7270 case '`': // "a`" = a backtick quoted string 7271 flag = current_quote(cap->oap, cap->count1, include, 7272 cap->nchar); 7273 break; 7274 #if 0 // TODO 7275 case 'S': // "aS" = a section 7276 case 'f': // "af" = a filename 7277 case 'u': // "au" = a URL 7278 #endif 7279 default: 7280 flag = FAIL; 7281 break; 7282 } 7283 7284 curbuf->b_p_mps = mps_save; 7285 if (flag == FAIL) 7286 clearopbeep(cap->oap); 7287 adjust_cursor_col(); 7288 curwin->w_set_curswant = TRUE; 7289 } 7290 #endif 7291 7292 /* 7293 * "q" command: Start/stop recording. 7294 * "q:", "q/", "q?": edit command-line in command-line window. 7295 */ 7296 static void 7297 nv_record(cmdarg_T *cap) 7298 { 7299 if (cap->oap->op_type == OP_FORMAT) 7300 { 7301 // "gqq" is the same as "gqgq": format line 7302 cap->cmdchar = 'g'; 7303 cap->nchar = 'q'; 7304 nv_operator(cap); 7305 } 7306 else if (!checkclearop(cap->oap)) 7307 { 7308 #ifdef FEAT_CMDWIN 7309 if (cap->nchar == ':' || cap->nchar == '/' || cap->nchar == '?') 7310 { 7311 stuffcharReadbuff(cap->nchar); 7312 stuffcharReadbuff(K_CMDWIN); 7313 } 7314 else 7315 #endif 7316 // (stop) recording into a named register, unless executing a 7317 // register 7318 if (reg_executing == 0 && do_record(cap->nchar) == FAIL) 7319 clearopbeep(cap->oap); 7320 } 7321 } 7322 7323 /* 7324 * Handle the "@r" command. 7325 */ 7326 static void 7327 nv_at(cmdarg_T *cap) 7328 { 7329 if (checkclearop(cap->oap)) 7330 return; 7331 #ifdef FEAT_EVAL 7332 if (cap->nchar == '=') 7333 { 7334 if (get_expr_register() == NUL) 7335 return; 7336 } 7337 #endif 7338 while (cap->count1-- && !got_int) 7339 { 7340 if (do_execreg(cap->nchar, FALSE, FALSE, FALSE) == FAIL) 7341 { 7342 clearopbeep(cap->oap); 7343 break; 7344 } 7345 line_breakcheck(); 7346 } 7347 } 7348 7349 /* 7350 * Handle the CTRL-U and CTRL-D commands. 7351 */ 7352 static void 7353 nv_halfpage(cmdarg_T *cap) 7354 { 7355 if ((cap->cmdchar == Ctrl_U && curwin->w_cursor.lnum == 1) 7356 || (cap->cmdchar == Ctrl_D 7357 && curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count)) 7358 clearopbeep(cap->oap); 7359 else if (!checkclearop(cap->oap)) 7360 halfpage(cap->cmdchar == Ctrl_D, cap->count0); 7361 } 7362 7363 /* 7364 * Handle "J" or "gJ" command. 7365 */ 7366 static void 7367 nv_join(cmdarg_T *cap) 7368 { 7369 if (VIsual_active) // join the visual lines 7370 nv_operator(cap); 7371 else if (!checkclearop(cap->oap)) 7372 { 7373 if (cap->count0 <= 1) 7374 cap->count0 = 2; // default for join is two lines! 7375 if (curwin->w_cursor.lnum + cap->count0 - 1 > 7376 curbuf->b_ml.ml_line_count) 7377 { 7378 // can't join when on the last line 7379 if (cap->count0 <= 2) 7380 { 7381 clearopbeep(cap->oap); 7382 return; 7383 } 7384 cap->count0 = curbuf->b_ml.ml_line_count 7385 - curwin->w_cursor.lnum + 1; 7386 } 7387 7388 prep_redo(cap->oap->regname, cap->count0, 7389 NUL, cap->cmdchar, NUL, NUL, cap->nchar); 7390 (void)do_join(cap->count0, cap->nchar == NUL, TRUE, TRUE, TRUE); 7391 } 7392 } 7393 7394 /* 7395 * "P", "gP", "p" and "gp" commands. 7396 */ 7397 static void 7398 nv_put(cmdarg_T *cap) 7399 { 7400 nv_put_opt(cap, FALSE); 7401 } 7402 7403 /* 7404 * "P", "gP", "p" and "gp" commands. 7405 * "fix_indent" is TRUE for "[p", "[P", "]p" and "]P". 7406 */ 7407 static void 7408 nv_put_opt(cmdarg_T *cap, int fix_indent) 7409 { 7410 int regname = 0; 7411 void *reg1 = NULL, *reg2 = NULL; 7412 int empty = FALSE; 7413 int was_visual = FALSE; 7414 int dir; 7415 int flags = 0; 7416 7417 if (cap->oap->op_type != OP_NOP) 7418 { 7419 #ifdef FEAT_DIFF 7420 // "dp" is ":diffput" 7421 if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'p') 7422 { 7423 clearop(cap->oap); 7424 nv_diffgetput(TRUE, cap->opcount); 7425 } 7426 else 7427 #endif 7428 clearopbeep(cap->oap); 7429 } 7430 #ifdef FEAT_JOB_CHANNEL 7431 else if (bt_prompt(curbuf) && !prompt_curpos_editable()) 7432 { 7433 clearopbeep(cap->oap); 7434 } 7435 #endif 7436 else 7437 { 7438 if (fix_indent) 7439 { 7440 dir = (cap->cmdchar == ']' && cap->nchar == 'p') 7441 ? FORWARD : BACKWARD; 7442 flags |= PUT_FIXINDENT; 7443 } 7444 else 7445 dir = (cap->cmdchar == 'P' 7446 || ((cap->cmdchar == 'g' || cap->cmdchar == 'z') 7447 && cap->nchar == 'P')) ? BACKWARD : FORWARD; 7448 prep_redo_cmd(cap); 7449 if (cap->cmdchar == 'g') 7450 flags |= PUT_CURSEND; 7451 else if (cap->cmdchar == 'z') 7452 flags |= PUT_BLOCK_INNER; 7453 7454 if (VIsual_active) 7455 { 7456 // Putting in Visual mode: The put text replaces the selected 7457 // text. First delete the selected text, then put the new text. 7458 // Need to save and restore the registers that the delete 7459 // overwrites if the old contents is being put. 7460 was_visual = TRUE; 7461 regname = cap->oap->regname; 7462 #ifdef FEAT_CLIPBOARD 7463 adjust_clip_reg(®name); 7464 #endif 7465 if (regname == 0 || regname == '"' 7466 || VIM_ISDIGIT(regname) || regname == '-' 7467 #ifdef FEAT_CLIPBOARD 7468 || (clip_unnamed && (regname == '*' || regname == '+')) 7469 #endif 7470 7471 ) 7472 { 7473 // The delete is going to overwrite the register we want to 7474 // put, save it first. 7475 reg1 = get_register(regname, TRUE); 7476 } 7477 7478 // Now delete the selected text. Avoid messages here. 7479 cap->cmdchar = 'd'; 7480 cap->nchar = NUL; 7481 cap->oap->regname = NUL; 7482 ++msg_silent; 7483 nv_operator(cap); 7484 do_pending_operator(cap, 0, FALSE); 7485 empty = (curbuf->b_ml.ml_flags & ML_EMPTY); 7486 --msg_silent; 7487 7488 // delete PUT_LINE_BACKWARD; 7489 cap->oap->regname = regname; 7490 7491 if (reg1 != NULL) 7492 { 7493 // Delete probably changed the register we want to put, save 7494 // it first. Then put back what was there before the delete. 7495 reg2 = get_register(regname, FALSE); 7496 put_register(regname, reg1); 7497 } 7498 7499 // When deleted a linewise Visual area, put the register as 7500 // lines to avoid it joined with the next line. When deletion was 7501 // characterwise, split a line when putting lines. 7502 if (VIsual_mode == 'V') 7503 flags |= PUT_LINE; 7504 else if (VIsual_mode == 'v') 7505 flags |= PUT_LINE_SPLIT; 7506 if (VIsual_mode == Ctrl_V && dir == FORWARD) 7507 flags |= PUT_LINE_FORWARD; 7508 dir = BACKWARD; 7509 if ((VIsual_mode != 'V' 7510 && curwin->w_cursor.col < curbuf->b_op_start.col) 7511 || (VIsual_mode == 'V' 7512 && curwin->w_cursor.lnum < curbuf->b_op_start.lnum)) 7513 // cursor is at the end of the line or end of file, put 7514 // forward. 7515 dir = FORWARD; 7516 // May have been reset in do_put(). 7517 VIsual_active = TRUE; 7518 } 7519 do_put(cap->oap->regname, NULL, dir, cap->count1, flags); 7520 7521 // If a register was saved, put it back now. 7522 if (reg2 != NULL) 7523 put_register(regname, reg2); 7524 7525 // What to reselect with "gv"? Selecting the just put text seems to 7526 // be the most useful, since the original text was removed. 7527 if (was_visual) 7528 { 7529 curbuf->b_visual.vi_start = curbuf->b_op_start; 7530 curbuf->b_visual.vi_end = curbuf->b_op_end; 7531 // need to adjust cursor position 7532 if (*p_sel == 'e') 7533 inc(&curbuf->b_visual.vi_end); 7534 } 7535 7536 // When all lines were selected and deleted do_put() leaves an empty 7537 // line that needs to be deleted now. 7538 if (empty && *ml_get(curbuf->b_ml.ml_line_count) == NUL) 7539 { 7540 ml_delete_flags(curbuf->b_ml.ml_line_count, ML_DEL_MESSAGE); 7541 deleted_lines(curbuf->b_ml.ml_line_count + 1, 1); 7542 7543 // If the cursor was in that line, move it to the end of the last 7544 // line. 7545 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) 7546 { 7547 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; 7548 coladvance((colnr_T)MAXCOL); 7549 } 7550 } 7551 auto_format(FALSE, TRUE); 7552 } 7553 } 7554 7555 /* 7556 * "o" and "O" commands. 7557 */ 7558 static void 7559 nv_open(cmdarg_T *cap) 7560 { 7561 #ifdef FEAT_DIFF 7562 // "do" is ":diffget" 7563 if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'o') 7564 { 7565 clearop(cap->oap); 7566 nv_diffgetput(FALSE, cap->opcount); 7567 } 7568 else 7569 #endif 7570 if (VIsual_active) // switch start and end of visual 7571 v_swap_corners(cap->cmdchar); 7572 #ifdef FEAT_JOB_CHANNEL 7573 else if (bt_prompt(curbuf)) 7574 clearopbeep(cap->oap); 7575 #endif 7576 else 7577 n_opencmd(cap); 7578 } 7579 7580 #ifdef FEAT_NETBEANS_INTG 7581 static void 7582 nv_nbcmd(cmdarg_T *cap) 7583 { 7584 netbeans_keycommand(cap->nchar); 7585 } 7586 #endif 7587 7588 #ifdef FEAT_DND 7589 static void 7590 nv_drop(cmdarg_T *cap UNUSED) 7591 { 7592 do_put('~', NULL, BACKWARD, 1L, PUT_CURSEND); 7593 } 7594 #endif 7595 7596 /* 7597 * Trigger CursorHold event. 7598 * When waiting for a character for 'updatetime' K_CURSORHOLD is put in the 7599 * input buffer. "did_cursorhold" is set to avoid retriggering. 7600 */ 7601 static void 7602 nv_cursorhold(cmdarg_T *cap) 7603 { 7604 apply_autocmds(EVENT_CURSORHOLD, NULL, NULL, FALSE, curbuf); 7605 did_cursorhold = TRUE; 7606 cap->retval |= CA_COMMAND_BUSY; // don't call edit() now 7607 } 7608