Annotation of src/usr.bin/vim/normal.c, Revision 1.3
1.3 ! downsj 1: /* $OpenBSD: normal.c,v 1.2 1996/09/21 06:23:11 downsj Exp $ */
1.1 downsj 2: /* vi:set ts=4 sw=4:
3: *
4: * VIM - Vi IMproved by Bram Moolenaar
5: *
6: * Do ":help uganda" in Vim to read copying and usage conditions.
7: * Do ":help credits" in Vim to see a list of people who contributed.
8: */
9:
10: /*
11: * Contains the main routine for processing characters in command mode.
12: * Communicates closely with the code in ops.c to handle the operators.
13: */
14:
15: #include "vim.h"
16: #include "globals.h"
17: #include "proto.h"
18: #include "option.h"
19:
20: #undef EXTERN
21: #undef INIT
22: #define EXTERN
23: #define INIT(x) x
24: #include "ops.h"
25:
26: /*
27: * Generally speaking, every command in normal() should either clear any
28: * pending operator (with clearop()), or set the motion type variable.
29: */
30:
31: /*
32: * If a count is given before the operator, it is saved in opnum.
33: */
34: static linenr_t opnum = 0;
35: static linenr_t Prenum; /* The (optional) number before a command. */
36: static int prechar = NUL; /* prepended command char */
37: /*
38: * The visual area is remembered for reselection.
39: */
40: static int resel_VIsual_mode = NUL; /* 'v', 'V', or Ctrl-V */
41: static linenr_t resel_VIsual_line_count; /* number of lines */
42: static colnr_t resel_VIsual_col; /* number of cols or end column */
43:
44: #ifdef USE_MOUSE
45: static void find_start_of_word __ARGS((FPOS *));
46: static void find_end_of_word __ARGS((FPOS *));
47: static int get_mouse_class __ARGS((int));
48: #endif
49: static void prep_redo __ARGS((long, int, int, int, int));
50: static int checkclearop __ARGS((void));
51: static int checkclearopq __ARGS((void));
52: static void clearop __ARGS((void));
53: static void clearopbeep __ARGS((void));
54: static void del_from_showcmd __ARGS((int));
55: static void do_gd __ARGS((int nchar));
56:
57: /*
58: * normal
59: *
60: * Execute a command in normal mode.
61: *
62: * This is basically a big switch with the cases arranged in rough categories
63: * in the following order:
64: *
65: * 0. Macros (q, @)
66: * 1. Screen positioning commands (^U, ^D, ^F, ^B, ^E, ^Y, z)
67: * 2. Control commands (:, <help>, ^L, ^G, ^^, ZZ, *, ^], ^T)
68: * 3. Cursor motions (G, H, M, L, l, K_RIGHT, , h, K_LEFT, ^H, k, K_UP,
69: * ^P, +, CR, LF, j, K_DOWN, ^N, _, |, B, b, W, w, E, e, $, ^, 0)
70: * 4. Searches (?, /, n, N, T, t, F, f, ,, ;, ], [, %, (, ), {, })
71: * 5. Edits (., u, K_UNDO, ^R, U, r, J, p, P, ^A, ^S)
72: * 6. Inserts (A, a, I, i, o, O, R)
73: * 7. Operators (~, d, c, y, >, <, !, =, Q)
74: * 8. Abbreviations (x, X, D, C, s, S, Y, &)
75: * 9. Marks (m, ', `, ^O, ^I)
76: * 10. Buffer setting (")
77: * 11. Visual (v, V, ^V)
78: * 12. Suspend (^Z)
79: * 13. Window commands (^W)
80: * 14. extended commands (starting with 'g')
81: * 15. mouse click
82: * 16. scrollbar movement
83: * 17. The end (ESC)
84: */
85:
86: void
87: normal()
88: {
89: register int c;
90: long n = 0; /* init for GCC */
91: int flag = FALSE;
92: int flag2 = FALSE;
93: int type = 0; /* type of operation */
94: int dir = FORWARD; /* search direction */
95: int nchar = NUL; /* next command char */
96: int finish_op;
97: linenr_t Prenum1;
98: char_u *searchbuff = NULL; /* buffer for search string */
99: FPOS *pos = NULL; /* init for gcc */
100: char_u *ptr = NULL;
101: int command_busy = FALSE;
102: int ctrl_w = FALSE; /* got CTRL-W command */
103: int old_col = 0;
104: int dont_adjust_op_end = FALSE;
1.2 downsj 105: static int search_dont_set_mark = FALSE; /* for "*" and "#" */
106: FPOS old_pos; /* cursor position before command */
1.1 downsj 107:
108: Prenum = 0;
109: /*
110: * If there is an operator pending, then the command we take this time
111: * will terminate it. Finish_op tells us to finish the operation before
112: * returning this time (unless the operation was cancelled).
113: */
114: finish_op = (op_type != NOP);
115:
116: if (!finish_op && !yankbuffer)
117: opnum = 0;
118:
119: State = NORMAL_BUSY;
120: c = vgetc();
121: #ifdef HAVE_LANGMAP
122: LANGMAP_ADJUST(c, TRUE);
123: #endif
124: if (c == NUL)
125: c = K_ZERO;
126: (void)add_to_showcmd(c, FALSE);
127:
128: getcount:
129: /* Pick up any leading digits and compute 'Prenum' */
130: while ((c >= '1' && c <= '9') || (Prenum != 0 && (c == K_DEL || c == '0')))
131: {
132: if (c == K_DEL)
133: {
134: Prenum /= 10;
135: del_from_showcmd(4); /* delete the digit and ~@% */
136: }
137: else
138: Prenum = Prenum * 10 + (c - '0');
139: if (Prenum < 0) /* got too large! */
140: Prenum = 999999999;
1.2 downsj 141: if (ctrl_w)
142: {
143: ++no_mapping;
144: ++allow_keys; /* no mapping for nchar, but keys */
145: }
1.1 downsj 146: c = vgetc();
147: #ifdef HAVE_LANGMAP
148: LANGMAP_ADJUST(c, TRUE);
149: #endif
1.2 downsj 150: if (ctrl_w)
151: {
152: --no_mapping;
153: --allow_keys;
154: }
1.1 downsj 155: (void)add_to_showcmd(c, FALSE);
156: }
157:
158: /*
159: * If we got CTRL-W there may be a/another count
160: */
161: if (c == Ctrl('W') && !ctrl_w && op_type == NOP)
162: {
163: ctrl_w = TRUE;
164: opnum = Prenum; /* remember first count */
165: Prenum = 0;
166: ++no_mapping;
167: ++allow_keys; /* no mapping for nchar, but keys */
168: c = vgetc(); /* get next character */
169: #ifdef HAVE_LANGMAP
170: LANGMAP_ADJUST(c, TRUE);
171: #endif
172: --no_mapping;
173: --allow_keys;
174: (void)add_to_showcmd(c, FALSE);
175: goto getcount; /* jump back */
176: }
177:
178: /*
179: * If we're in the middle of an operator (including after entering a yank
180: * buffer with ") AND we had a count before the
181: * operator, then that count overrides the current value of Prenum. What
182: * this means effectively, is that commands like "3dw" get turned into
183: * "d3w" which makes things fall into place pretty neatly.
184: * If you give a count before AND after the operator, they are multiplied.
185: */
186: if (opnum != 0)
187: {
188: if (Prenum)
189: Prenum *= opnum;
190: else
191: Prenum = opnum;
192: opnum = 0;
193: }
194:
195: Prenum1 = (Prenum == 0 ? 1 : Prenum); /* Prenum often defaults to 1 */
196:
197: /*
198: * Get an additional character if we need one.
199: * For CTRL-W we already got it when looking for a count.
200: */
201: if (ctrl_w)
202: {
203: nchar = c;
204: c = Ctrl('W');
205: }
206: else if ((op_type == NOP && vim_strchr((char_u *)"@zm\"", c) != NULL) ||
207: (op_type == NOP && !VIsual_active &&
208: vim_strchr((char_u *)"rZ", c) != NULL) ||
209: vim_strchr((char_u *)"tTfF[]g'`", c) != NULL ||
210: (c == 'q' && !Recording && !Exec_reg))
211: {
212: ++no_mapping;
213: ++allow_keys; /* no mapping for nchar, but allow key codes */
214: nchar = vgetc();
215: #ifdef HAVE_LANGMAP
216: /* adjust chars > 127: tTfFr should leave lang of nchar unchanged! */
217: LANGMAP_ADJUST(nchar, vim_strchr((char_u *)"tTfFr", c) == NULL);
218: #endif
219: #ifdef RIGHTLEFT
220: if (p_hkmap && strchr("tTfFr", c) && KeyTyped) /* Hebrew mapped char */
221: nchar = hkmap(nchar);
222: #endif
223: --no_mapping;
224: --allow_keys;
225: (void)add_to_showcmd(nchar, FALSE);
226: }
227: if (p_sc)
228: flushbuf(); /* flush the showcmd characters onto the
229: * screen so we can see them while the command
230: * is being executed
231: */
232:
233: State = NORMAL;
234: if (nchar == ESC)
235: {
236: clearop();
237: goto normal_end;
238: }
239: msg_didout = FALSE; /* don't scroll screen up for normal command */
240: msg_col = 0;
1.2 downsj 241: old_pos = curwin->w_cursor; /* remember where cursor was */
1.1 downsj 242:
243: #ifdef RIGHTLEFT
244: if (curwin->w_p_rl && KeyTyped) /* invert horizontal operations */
245: switch (c)
246: {
247: case 'l': c = 'h'; break;
248: case K_RIGHT: c = K_LEFT; break;
249: case 'h': c = 'l'; break;
250: case K_LEFT: c = K_RIGHT; break;
251: case '>': c = '<'; break;
252: case '<': c = '>'; break;
253: }
254: #endif
255: switch (c)
256: {
257:
258: /*
259: * 0: Macros
260: */
261: case 'q': /* (stop) recording into a named register */
262: if (checkclearop())
263: break;
264: /* command is ignored while executing a register */
265: if (!Exec_reg && do_record(nchar) == FAIL)
266: clearopbeep();
267: break;
268:
269: case '@': /* execute a named buffer */
270: if (checkclearop())
271: break;
272: while (Prenum1--)
273: {
274: if (do_execbuf(nchar, FALSE, FALSE) == FAIL)
275: {
276: clearopbeep();
277: break;
278: }
279: }
280: break;
281:
282: /*
283: * 1: Screen positioning commands
284: */
285: case Ctrl('D'):
286: flag = TRUE;
287:
288: case Ctrl('U'):
289: if ((c == Ctrl('U') && curwin->w_cursor.lnum == 1) ||
290: (c == Ctrl('D') && curwin->w_cursor.lnum ==
291: curbuf->b_ml.ml_line_count))
292: clearopbeep();
293: else
294: {
295: if (checkclearop())
296: break;
297: halfpage(flag, Prenum);
298: }
299: break;
300:
301: case Ctrl('B'):
302: case K_S_UP:
303: case K_PAGEUP:
1.2 downsj 304: case K_KPAGEUP:
1.1 downsj 305: dir = BACKWARD;
306:
307: case Ctrl('F'):
308: case K_S_DOWN:
309: case K_PAGEDOWN:
1.2 downsj 310: case K_KPAGEDOWN:
1.1 downsj 311: if (checkclearop())
312: break;
313: (void)onepage(dir, Prenum1);
314: break;
315:
316: case Ctrl('E'):
317: if (checkclearop())
318: break;
319: scrollup(Prenum1);
320: if (p_so)
321: cursor_correct();
322: /* We may have moved to another line -- webb */
323: coladvance(curwin->w_curswant);
324: cursupdate();
325: updateScreen(VALID);
326: break;
327:
328: case Ctrl('Y'):
329: if (checkclearop())
330: break;
331: scrolldown(Prenum1);
332: if (p_so)
333: cursor_correct();
334: /* We may have moved to another line -- webb */
335: coladvance(curwin->w_curswant);
336: updateScreen(VALID);
337: break;
338:
339: case 'z':
340: if (checkclearop())
341: break;
342: if (nchar < 0x100 && isdigit(nchar))
343: {
344: Prenum = nchar - '0';
345: for (;;)
346: {
347: ++no_mapping;
348: ++allow_keys; /* no mapping for nchar, but allow key codes */
349: nchar = vgetc();
350: #ifdef HAVE_LANGMAP
351: LANGMAP_ADJUST(c, TRUE);
352: #endif
353: --no_mapping;
354: --allow_keys;
355: (void)add_to_showcmd(nchar, FALSE);
356: if (c == K_DEL)
357: Prenum /= 10;
358: else if (nchar < 0x100 && isdigit(nchar))
359: Prenum = Prenum * 10 + (nchar - '0');
360: else if (nchar == CR)
361: {
362: win_setheight((int)Prenum);
363: break;
364: }
365: else if (nchar == 'l' || nchar == 'h' ||
366: nchar == K_LEFT || nchar == K_RIGHT)
367: {
368: Prenum1 = Prenum ? Prenum : 1;
369: goto dozet;
370: }
371: else
372: {
373: clearopbeep();
374: break;
375: }
376: }
377: op_type = NOP;
378: break;
379: }
380: dozet:
381: /*
382: * If line number given, set cursor, except for "zh", "zl", "ze" and
383: * "zs"
384: */
385: if (vim_strchr((char_u *)"hles", nchar) == NULL &&
386: nchar != K_LEFT && nchar != K_RIGHT &&
387: Prenum && Prenum != curwin->w_cursor.lnum)
388: {
389: setpcmark();
390: if (Prenum > curbuf->b_ml.ml_line_count)
391: curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
392: else
393: curwin->w_cursor.lnum = Prenum;
394: }
395: switch (nchar)
396: {
397: case NL: /* put curwin->w_cursor at top of screen */
398: case CR:
399: beginline(TRUE);
400: /* FALLTHROUGH */
401: case 't':
402: scroll_cursor_top(0, TRUE);
403: break;
404:
405: case '.': /* put curwin->w_cursor in middle of screen */
406: beginline(TRUE);
407: /* FALLTHROUGH */
408: case 'z':
409: scroll_cursor_halfway(TRUE);
410: break;
411:
412: case '-': /* put curwin->w_cursor at bottom of screen */
413: beginline(TRUE);
414: /* FALLTHROUGH */
415: case 'b':
416: scroll_cursor_bot(0, TRUE);
417: break;
418:
419: /* "zh" - scroll screen to the right */
420: case 'h':
421: case K_LEFT:
422: if (!curwin->w_p_wrap)
423: {
424: colnr_t s, e;
425:
426: if ((colnr_t)Prenum1 > curwin->w_leftcol)
427: curwin->w_leftcol = 0;
428: else
429: curwin->w_leftcol -= (colnr_t)Prenum1;
430: n = curwin->w_leftcol + Columns -
431: (curwin->w_p_nu ? 8 : 0) - 1;
432: if (curwin->w_virtcol > (colnr_t)n)
433: coladvance((colnr_t)n);
434:
435: getvcol(curwin, &curwin->w_cursor, &s, NULL, &e);
436: if (e > (colnr_t)n)
437: coladvance(s - 1);
438: redraw_later(NOT_VALID);
439: }
440: break;
441:
442: /* "zl" - scroll screen to the left */
443: case 'l':
444: case K_RIGHT:
445: if (!curwin->w_p_wrap)
446: {
447: colnr_t s, e;
448:
449: /* scroll the window left */
450: curwin->w_leftcol += (colnr_t)Prenum1;
451:
452: /* If the cursor has moved off the screen, put it at the
453: * first char on the screen */
454: if (curwin->w_leftcol > curwin->w_virtcol)
455: (void)coladvance(curwin->w_leftcol);
456:
457: /* If the start of the character under the cursor is not
458: * on the screen, advance the cursor one more char. If
459: * this fails (last char of the line) adjust the
460: * scrolling. */
461: getvcol(curwin, &curwin->w_cursor, &s, NULL, &e);
462: if (s < curwin->w_leftcol)
463: if (coladvance(e + 1) == FAIL)
464: curwin->w_leftcol = s;
465:
466: redraw_later(NOT_VALID);
467: }
468: break;
469:
470: /* "zs" - scroll screen, cursor at the start */
471: case 's':
472: if (!curwin->w_p_wrap)
473: {
474: colnr_t s;
475:
476: getvcol(curwin, &curwin->w_cursor, &s, NULL, NULL);
477: curwin->w_leftcol = s;
478: redraw_later(NOT_VALID);
479: }
480: break;
481:
482: /* "ze" - scroll screen, cursor at the end */
483: case 'e':
484: if (!curwin->w_p_wrap)
485: {
486: colnr_t e;
487:
488: getvcol(curwin, &curwin->w_cursor, NULL, NULL, &e);
489: if ((long)e < Columns)
490: curwin->w_leftcol = 0;
491: else
492: curwin->w_leftcol = e - Columns + 1;
493: redraw_later(NOT_VALID);
494: }
495: break;
496:
497: case Ctrl('S'): /* ignore CTRL-S and CTRL-Q to avoid problems */
498: case Ctrl('Q'): /* with terminals that use xon/xoff */
499: break;
500:
501: default:
502: clearopbeep();
503: }
504: updateScreen(VALID);
505: break;
506:
507: /*
508: * 2: Control commands
509: */
510: case ':':
511: if (VIsual_active)
512: goto dooperator;
513: if (checkclearop())
514: break;
515: /*
516: * translate "count:" into ":.,.+(count - 1)"
517: */
518: if (Prenum)
519: {
520: stuffReadbuff((char_u *)".");
521: if (Prenum > 1)
522: {
523: stuffReadbuff((char_u *)",.+");
524: stuffnumReadbuff((long)Prenum - 1L);
525: }
526: }
527: do_cmdline(NULL, FALSE, FALSE);
528: break;
529:
1.3 ! downsj 530: case 'Q':
! 531: do_exmode();
! 532: updateScreen(CLEAR);
! 533: break;
! 534:
1.1 downsj 535: case K_HELP:
536: case K_F1:
537: if (checkclearopq())
538: break;
539: do_help((char_u *)"");
540: break;
541:
542: case Ctrl('L'):
543: if (checkclearop())
544: break;
545: updateScreen(CLEAR);
546: break;
547:
548: case Ctrl('G'):
549: if (checkclearop())
550: break;
551: /* print full name if count given or :cd used */
552: fileinfo(did_cd | (int)Prenum, FALSE, FALSE);
553: break;
554:
555: case K_CCIRCM: /* CTRL-^, short for ":e #" */
556: if (checkclearopq())
557: break;
1.2 downsj 558: (void)buflist_getfile((int)Prenum, (linenr_t)0,
559: GETF_SETMARK|GETF_ALT, FALSE);
1.1 downsj 560: break;
561:
1.2 downsj 562: /*
563: * "ZZ": write if changed, and exit window
564: * "ZQ": quit window (Elvis compatible)
565: */
566: case 'Z':
1.1 downsj 567: if (checkclearopq())
568: break;
1.2 downsj 569: if (nchar == 'Z')
570: stuffReadbuff((char_u *)":x\n");
571: else if (nchar == 'Q')
572: stuffReadbuff((char_u *)":q!\n");
573: else
1.1 downsj 574: clearopbeep();
575: break;
576:
577: case Ctrl(']'): /* :ta to current identifier */
578: case 'K': /* run program for current identifier */
579: if (VIsual_active) /* :ta to visual highlighted text */
580: {
581: if (VIsual.lnum != curwin->w_cursor.lnum)
582: {
583: clearopbeep();
584: break;
585: }
586: if (lt(curwin->w_cursor, VIsual))
587: {
588: ptr = ml_get_pos(&curwin->w_cursor);
589: n = VIsual.col - curwin->w_cursor.col + 1;
590: }
591: else
592: {
593: ptr = ml_get_pos(&VIsual);
594: n = curwin->w_cursor.col - VIsual.col + 1;
595: }
596: end_visual_mode();
597: ++RedrawingDisabled;
598: update_curbuf(NOT_VALID); /* update the inversion later */
599: --RedrawingDisabled;
600: }
601: if (checkclearopq())
602: break;
603: /*FALLTHROUGH*/
604:
605: case 163: /* the pound sign, '#' for English keyboards */
606: if (c == 163)
607: c = '#';
608: /*FALLTHROUGH*/
609:
610: case '*': /* / to current identifier or string */
611: case '#': /* ? to current identifier or string */
612: search_word:
613: if (c == 'g')
614: type = nchar; /* "g*" or "g#" */
615: else
616: type = c;
617: if (ptr == NULL && (n = find_ident_under_cursor(&ptr, (type == '*' ||
618: type == '#') ? FIND_IDENT|FIND_STRING : FIND_IDENT)) == 0)
619: {
620: clearop();
621: break;
622: }
623:
624: if (Prenum)
625: stuffnumReadbuff(Prenum);
626: switch (type)
627: {
628: case '*':
629: stuffReadbuff((char_u *)"/");
630: /* FALLTHROUGH */
631:
632: case '#':
633: if (type == '#')
634: stuffReadbuff((char_u *)"?");
635:
636: /*
1.2 downsj 637: * Put cursor at start of word, makes search skip the word
638: * under the cursor.
639: * Call setpcmark() first, so "*``" puts the cursor back where
640: * it was, and set search_dont_set_mark to avoid doing it
641: * again when searching.
1.1 downsj 642: */
1.2 downsj 643: setpcmark();
644: search_dont_set_mark = TRUE;
1.1 downsj 645: curwin->w_cursor.col = ptr - ml_get_curline();
646:
647: if (c != 'g' && iswordchar(*ptr))
648: stuffReadbuff((char_u *)"\\<");
649: no_smartcase = TRUE; /* don't use 'smartcase' now */
650: break;
651:
652: case 'K':
653: if (*p_kp == NUL)
654: stuffReadbuff((char_u *)":he ");
655: else
656: {
657: stuffReadbuff((char_u *)":! ");
658: stuffReadbuff(p_kp);
659: stuffReadbuff((char_u *)" ");
660: }
661: break;
662: default:
663: if (curbuf->b_help)
664: stuffReadbuff((char_u *)":he ");
665: else
666: stuffReadbuff((char_u *)":ta ");
667: }
668:
669: /*
670: * Now grab the chars in the identifier
671: */
672: while (n--)
673: {
674: /* put a backslash before \ and some others */
675: if (*ptr == '\\' || (!(type == '*' || type == '#') &&
676: vim_strchr(escape_chars, *ptr) != NULL))
677: stuffcharReadbuff('\\');
678: /* don't interpret the characters as edit commands */
679: if (*ptr < ' ' || *ptr > '~')
680: stuffcharReadbuff(Ctrl('V'));
681: stuffcharReadbuff(*ptr++);
682: }
683:
684: if (c != 'g' && (type == '*' || type == '#') && iswordchar(ptr[-1]))
685: stuffReadbuff((char_u *)"\\>");
686: stuffReadbuff((char_u *)"\n");
687: break;
688:
689: case Ctrl('T'): /* backwards in tag stack */
690: if (checkclearopq())
691: break;
1.2 downsj 692: do_tag((char_u *)"", 2, (int)Prenum1, FALSE);
1.1 downsj 693: break;
694:
695: /*
696: * Cursor motions
697: */
698: case 'G':
699: goto_line:
700: op_motion_type = MLINE;
701: setpcmark();
702: if (Prenum == 0 || Prenum > curbuf->b_ml.ml_line_count)
703: curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
704: else
705: curwin->w_cursor.lnum = Prenum;
706: beginline(MAYBE);
707: break;
708:
709: case 'H':
710: case 'M':
711: if (c == 'M')
712: {
713: int used = 0;
714:
715: for (n = 0; curwin->w_topline + n < curbuf->b_ml.ml_line_count; ++n)
716: if ((used += plines(curwin->w_topline + n)) >=
717: (curwin->w_height - curwin->w_empty_rows + 1) / 2)
718: break;
719: if (n && used > curwin->w_height)
720: --n;
721: }
722: else
723: n = Prenum;
724: op_motion_type = MLINE;
725: setpcmark();
726: curwin->w_cursor.lnum = curwin->w_topline + n;
727: if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
728: curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
729: cursor_correct(); /* correct for 'so' */
730: beginline(MAYBE);
731: break;
732:
733: case 'L':
734: op_motion_type = MLINE;
735: setpcmark();
736: curwin->w_cursor.lnum = curwin->w_botline - 1;
737: if (Prenum >= curwin->w_cursor.lnum)
738: curwin->w_cursor.lnum = 1;
739: else
740: curwin->w_cursor.lnum -= Prenum;
741: cursor_correct(); /* correct for 'so' */
742: beginline(MAYBE);
743: break;
744:
745: case 'l':
746: case K_RIGHT:
747: case ' ':
748: op_motion_type = MCHAR;
749: op_inclusive = FALSE;
750: n = Prenum1;
751: while (n--)
752: {
753: if (oneright() == FAIL)
754: {
755: /* space wraps to next line if 'whichwrap' bit 1 set */
756: /* 'l' wraps to next line if 'whichwrap' bit 2 set */
757: /* CURS_RIGHT wraps to next line if 'whichwrap' bit 3 set */
758: if (((c == ' ' && vim_strchr(p_ww, 's') != NULL) ||
759: (c == 'l' && vim_strchr(p_ww, 'l') != NULL) ||
760: (c == K_RIGHT && vim_strchr(p_ww, '>') != NULL)) &&
761: curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
762: {
763: /* When deleting we also count the NL as a character.
764: * Set op_inclusive when last char in the line is
765: * included, move to next line after that */
766: if ((op_type == DELETE || op_type == CHANGE) &&
767: !op_inclusive && !lineempty(curwin->w_cursor.lnum))
768: op_inclusive = TRUE;
769: else
770: {
771: ++curwin->w_cursor.lnum;
772: curwin->w_cursor.col = 0;
773: curwin->w_set_curswant = TRUE;
774: op_inclusive = FALSE;
775: }
776: continue;
777: }
778: if (op_type == NOP)
779: beep_flush();
780: else
781: {
782: if (lineempty(curwin->w_cursor.lnum))
783: clearopbeep();
784: else
785: {
786: op_inclusive = TRUE;
787: if (n)
788: beep_flush();
789: }
790: }
791: break;
792: }
793: }
794: break;
795:
796: case 'h':
797: case K_LEFT:
798: case K_BS:
799: case Ctrl('H'):
800: op_motion_type = MCHAR;
801: op_inclusive = FALSE;
802: n = Prenum1;
803: while (n--)
804: {
805: if (oneleft() == FAIL)
806: {
807: /* backspace and del wrap to previous line if 'whichwrap'
808: * bit 0 set.
809: * 'h' wraps to previous line if 'whichwrap' bit 2 set.
810: * CURS_LEFT wraps to previous line if 'whichwrap' bit 3
811: * set. */
812: if ( (((c == K_BS || c == Ctrl('H'))
813: && vim_strchr(p_ww, 'b') != NULL) ||
814: (c == 'h' && vim_strchr(p_ww, 'h') != NULL) ||
815: (c == K_LEFT && vim_strchr(p_ww, '<') != NULL)) &&
816: curwin->w_cursor.lnum > 1)
817: {
818: --(curwin->w_cursor.lnum);
819: coladvance(MAXCOL);
820: curwin->w_set_curswant = TRUE;
821:
822: /* When the NL before the first char has to be deleted we
823: * put the cursor on the NUL after the previous line.
824: * This is a very special case, be careful!
825: * don't adjust op_end now, otherwise it won't work */
826: if ((op_type == DELETE || op_type == CHANGE) &&
827: !lineempty(curwin->w_cursor.lnum))
828: {
829: ++curwin->w_cursor.col;
830: dont_adjust_op_end = TRUE;
831: }
832: continue;
833: }
834: else if (op_type != DELETE && op_type != CHANGE)
835: beep_flush();
836: else if (Prenum1 == 1)
837: clearopbeep();
838: break;
839: }
840: }
841: break;
842:
843: case '-':
844: flag = TRUE;
845: /* FALLTHROUGH */
846:
847: case 'k':
848: case K_UP:
849: case Ctrl('P'):
850: normal_k:
851: op_motion_type = MLINE;
852: if (cursor_up(Prenum1) == FAIL)
853: clearopbeep();
854: else if (flag)
855: beginline(TRUE);
856: break;
857:
858: case '+':
859: case CR:
860: flag = TRUE;
861: /* FALLTHROUGH */
862:
863: case 'j':
864: case K_DOWN:
865: case Ctrl('N'):
866: case NL:
867: normal_j:
868: op_motion_type = MLINE;
869: if (cursor_down(Prenum1) == FAIL)
870: clearopbeep();
871: else if (flag)
872: beginline(TRUE);
873: break;
874:
875: /*
876: * This is a strange motion command that helps make operators more
877: * logical. It is actually implemented, but not documented in the
878: * real 'vi'. This motion command actually refers to "the current
879: * line". Commands like "dd" and "yy" are really an alternate form of
880: * "d_" and "y_". It does accept a count, so "d3_" works to delete 3
881: * lines.
882: */
883: case '_':
884: lineop:
885: old_col = curwin->w_curswant;
886: op_motion_type = MLINE;
887: if (cursor_down((long)(Prenum1 - 1)) == FAIL)
888: clearopbeep();
889: if (op_type == DELETE || op_type == LSHIFT || op_type == RSHIFT)
890: beginline(MAYBE);
891: else if (op_type != YANK) /* 'Y' does not move cursor */
892: beginline(TRUE);
893: break;
894:
895: case K_HOME:
1.2 downsj 896: case K_KHOME:
1.1 downsj 897: if ((mod_mask & MOD_MASK_CTRL))
898: goto goto_line_one;
899: Prenum = 1;
900: /* FALLTHROUGH */
901:
902: case '|':
903: op_motion_type = MCHAR;
904: op_inclusive = FALSE;
905: beginline(FALSE);
906: if (Prenum > 0)
907: {
908: coladvance((colnr_t)(Prenum - 1));
909: curwin->w_curswant = (colnr_t)(Prenum - 1);
910: }
911: else
912: curwin->w_curswant = 0;
913: /* keep curswant at the column where we wanted to go, not where
914: we ended; differs is line is too short */
915: curwin->w_set_curswant = FALSE;
916: break;
917:
918: /*
919: * Word Motions
920: */
921:
922: case 'B':
923: type = 1;
924: /* FALLTHROUGH */
925:
926: case 'b':
927: case K_S_LEFT:
928: op_motion_type = MCHAR;
929: op_inclusive = FALSE;
930: curwin->w_set_curswant = TRUE;
931: if (bck_word(Prenum1, type, FALSE) == FAIL)
932: clearopbeep();
933: break;
934:
935: case 'E':
936: type = 1;
937: /* FALLTHROUGH */
938:
939: case 'e':
940: op_inclusive = TRUE;
941: goto dowrdcmd;
942:
943: case 'W':
944: type = 1;
945: /* FALLTHROUGH */
946:
947: case 'w':
948: case K_S_RIGHT:
949: op_inclusive = FALSE;
950: flag = TRUE;
951: /*
952: * This is a little strange. To match what the real vi does, we
953: * effectively map 'cw' to 'ce', and 'cW' to 'cE', provided that we
954: * are not on a space or a TAB. This seems impolite at first, but it's
955: * really more what we mean when we say 'cw'.
956: * Another strangeness: When standing on the end of a word "ce" will
957: * change until the end of the next wordt, but "cw" will change only
958: * one character! This is done by setting type to 2.
959: */
960: if (op_type == CHANGE && (n = gchar_cursor()) != ' ' && n != TAB &&
961: n != NUL)
962: {
963: op_inclusive = TRUE;
964: flag = FALSE;
965: flag2 = TRUE;
966: }
967:
968: dowrdcmd:
969: op_motion_type = MCHAR;
970: curwin->w_set_curswant = TRUE;
971: if (flag)
972: n = fwd_word(Prenum1, type, op_type != NOP);
973: else
974: n = end_word(Prenum1, type, flag2, FALSE);
975: if (n == FAIL)
976: clearopbeep();
977: break;
978:
979: case K_END:
1.2 downsj 980: case K_KEND:
1.1 downsj 981: if ((mod_mask & MOD_MASK_CTRL))
982: goto goto_line;
983: /* FALLTHROUGH */
984:
985: case '$':
986: op_motion_type = MCHAR;
987: op_inclusive = TRUE;
988: curwin->w_curswant = MAXCOL; /* so we stay at the end */
989: if (cursor_down((long)(Prenum1 - 1)) == FAIL)
990: {
991: clearopbeep();
992: break;
993: }
994: break;
995:
996: case '^':
997: flag = TRUE;
998: /* FALLTHROUGH */
999:
1000: case '0':
1001: op_motion_type = MCHAR;
1002: op_inclusive = FALSE;
1003: beginline(flag);
1004: break;
1005:
1006: /*
1007: * 4: Searches
1008: */
1009: case '?':
1010: case '/':
1011: if ((searchbuff = getcmdline(c, Prenum1)) == NULL)
1012: {
1013: clearop();
1014: break;
1015: }
1016: op_motion_type = MCHAR;
1017: op_inclusive = FALSE;
1018: curwin->w_set_curswant = TRUE;
1019:
1020: n = do_search(c, searchbuff, Prenum1,
1.2 downsj 1021: (search_dont_set_mark ? 0 : SEARCH_MARK) |
1022: SEARCH_OPT | SEARCH_ECHO | SEARCH_MSG);
1.1 downsj 1023: if (n == 0)
1024: clearop();
1025: else if (n == 2)
1026: op_motion_type = MLINE;
1.2 downsj 1027: search_dont_set_mark = FALSE;
1.1 downsj 1028: break;
1029:
1030: case 'N':
1031: flag = SEARCH_REV;
1032:
1033: case 'n':
1034: op_motion_type = MCHAR;
1035: op_inclusive = FALSE;
1036: curwin->w_set_curswant = TRUE;
1037: if (!do_search(0, NULL, Prenum1,
1038: SEARCH_MARK | SEARCH_OPT | SEARCH_ECHO | SEARCH_MSG | flag))
1039: clearop();
1040: break;
1041:
1042: /*
1043: * Character searches
1044: */
1045: case 'T':
1046: dir = BACKWARD;
1047: /* FALLTHROUGH */
1048:
1049: case 't':
1050: type = 1;
1051: goto docsearch;
1052:
1053: case 'F':
1054: dir = BACKWARD;
1055: /* FALLTHROUGH */
1056:
1057: case 'f':
1058: docsearch:
1059: op_motion_type = MCHAR;
1060: if (dir == BACKWARD)
1061: op_inclusive = FALSE;
1062: else
1063: op_inclusive = TRUE;
1064: curwin->w_set_curswant = TRUE;
1065: if (nchar >= 0x100 || !searchc(nchar, dir, type, Prenum1))
1066: clearopbeep();
1067: break;
1068:
1069: case ',':
1070: flag = 1;
1071: /* FALLTHROUGH */
1072:
1073: case ';':
1074: dir = flag;
1075: goto docsearch; /* nchar == NUL, thus repeat previous search */
1076:
1077: /*
1078: * section or C function searches
1079: */
1080: case '[':
1081: dir = BACKWARD;
1082: /* FALLTHROUGH */
1083:
1084: case ']':
1085: op_motion_type = MCHAR;
1086: op_inclusive = FALSE;
1087:
1088: /*
1089: * "[f" or "]f" : Edit file under the cursor (same as "gf")
1090: */
1091: if (nchar == 'f')
1092: goto gotofile;
1093:
1094: /*
1095: * Find the occurence(s) of the identifier or define under cursor
1096: * in current and included files or jump to the first occurence.
1097: *
1098: * search list jump
1099: * fwd bwd fwd bwd fwd bwd
1100: * identifier "]i" "[i" "]I" "[I" "]^I" "[^I"
1101: * define "]d" "[d" "]D" "[D" "]^D" "[^D"
1102: */
1103: if (nchar == 'i' || nchar == 'I' || nchar == Ctrl('I') ||
1104: nchar == 'd' || nchar == 'D' || nchar == Ctrl('D'))
1105: {
1106: int len;
1107:
1108: if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0)
1109: {
1110: clearop();
1111: break;
1112: }
1113: find_pattern_in_path(ptr, len, TRUE,
1114: Prenum == 0 ? !isupper(nchar) : FALSE,
1115: ((nchar & 0xf) == ('d' & 0xf)) ? FIND_DEFINE : FIND_ANY,
1116: Prenum1,
1117: isupper(nchar) ? ACTION_SHOW_ALL :
1118: islower(nchar) ? ACTION_SHOW : ACTION_GOTO,
1119: c == ']' ? curwin->w_cursor.lnum : (linenr_t)1,
1120: (linenr_t)MAXLNUM);
1121: curwin->w_set_curswant = TRUE;
1122: break;
1123: }
1124:
1125: /*
1126: * "[{", "[(", "]}" or "])": go to Nth unclosed '{', '(', '}' or ')'
1127: * "[#", "]#": go to start/end of Nth innermost #if..#endif construct.
1128: * "[/", "[*", "]/", "]*": go to Nth comment start/end.
1129: */
1130: if ((c == '[' && vim_strchr((char_u *)"{(*/#", nchar) != NULL) ||
1131: (c == ']' && vim_strchr((char_u *)"})*/#", nchar) != NULL))
1132: {
1133: FPOS new_pos;
1134:
1135: if (nchar == '*')
1136: nchar = '/';
1137: new_pos.lnum = 0;
1138: while (Prenum1--)
1139: {
1140: if ((pos = findmatchlimit(nchar,
1141: (c == '[') ? FM_BACKWARD : FM_FORWARD, 0)) == NULL)
1142: {
1143: if (new_pos.lnum == 0) /* nothing found */
1144: clearopbeep();
1145: else
1146: pos = &new_pos; /* use last one found */
1147: break;
1148: }
1149: curwin->w_cursor = *pos;
1150: new_pos= *pos;
1151: }
1152: curwin->w_cursor = old_pos;
1153: if (pos != NULL)
1154: {
1155: setpcmark();
1156: curwin->w_cursor = *pos;
1157: curwin->w_set_curswant = TRUE;
1158: }
1159: break;
1160: }
1161:
1162: /*
1163: * "[[", "[]", "]]" and "][": move to start or end of function
1164: */
1165: if (nchar == '[' || nchar == ']')
1166: {
1167: if (nchar == c) /* "]]" or "[[" */
1168: flag = '{';
1169: else
1170: flag = '}'; /* "][" or "[]" */
1171:
1172: curwin->w_set_curswant = TRUE;
1173: /*
1174: * Imitate strange vi behaviour: When using "]]" with an operator
1175: * we also stop at '}'.
1176: */
1177: if (!findpar(dir, Prenum1, flag,
1178: (op_type != NOP && dir == FORWARD && flag == '{')))
1179: clearopbeep();
1180: else if (op_type == NOP)
1181: beginline(TRUE);
1182: break;
1183: }
1184:
1185: /*
1186: * "[p", "[P", "]P" and "]p": put with indent adjustment
1187: */
1188: if (nchar == 'p' || nchar == 'P')
1189: {
1190: if (checkclearopq())
1191: break;
1192: prep_redo(Prenum, NUL, c, nchar, NUL);
1193: do_put((c == ']' && nchar == 'p') ? FORWARD : BACKWARD,
1194: Prenum1, TRUE);
1195: break;
1196: }
1197:
1198: #ifdef USE_MOUSE
1199: /*
1200: * [ or ] followed by a middle mouse click: put selected text with
1201: * indent adjustment. Any other button just does as usual.
1202: */
1203: if (nchar >= K_LEFTMOUSE && nchar <= K_RIGHTRELEASE)
1204: {
1205: (void)do_mouse(nchar, (c == ']') ? FORWARD : BACKWARD,
1206: Prenum1, TRUE);
1207: break;
1208: }
1209: #endif /* USE_MOUSE */
1210:
1211: /*
1212: * end of '[' and ']': not a valid nchar
1213: */
1214: clearopbeep();
1215: break;
1216:
1217: case '%':
1218: op_inclusive = TRUE;
1219: if (Prenum) /* {cnt}% : goto {cnt} percentage in file */
1220: {
1221: if (Prenum > 100)
1222: clearopbeep();
1223: else
1224: {
1225: op_motion_type = MLINE;
1226: setpcmark();
1227: /* round up, so CTRL-G will give same value */
1228: curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count *
1229: Prenum + 99) / 100;
1230: beginline(MAYBE);
1231: }
1232: }
1233: else /* % : go to matching paren */
1234: {
1235: op_motion_type = MCHAR;
1236: if ((pos = findmatch(NUL)) == NULL)
1237: clearopbeep();
1238: else
1239: {
1240: setpcmark();
1241: curwin->w_cursor = *pos;
1242: curwin->w_set_curswant = TRUE;
1243: }
1244: }
1245: break;
1246:
1247: case '(':
1248: dir = BACKWARD;
1249: /* FALLTHROUGH */
1250:
1251: case ')':
1252: op_motion_type = MCHAR;
1253: if (c == ')')
1254: op_inclusive = FALSE;
1255: else
1256: op_inclusive = TRUE;
1257: curwin->w_set_curswant = TRUE;
1258:
1259: if (findsent(dir, Prenum1) == FAIL)
1260: clearopbeep();
1261: break;
1262:
1263: case '{':
1264: dir = BACKWARD;
1265: /* FALLTHROUGH */
1266:
1267: case '}':
1268: op_motion_type = MCHAR;
1269: op_inclusive = FALSE;
1270: curwin->w_set_curswant = TRUE;
1271: if (!findpar(dir, Prenum1, NUL, FALSE))
1272: clearopbeep();
1273: break;
1274:
1275: /*
1276: * 5: Edits
1277: */
1278: case '.': /* redo command */
1279: if (checkclearopq())
1280: break;
1281: /*
1282: * if restart_edit is TRUE, the last but one command is repeated
1283: * instead of the last command (inserting text). This is used for
1284: * CTRL-O <.> in insert mode
1285: */
1286: if (start_redo(Prenum, restart_edit && !arrow_used) == FAIL)
1287: clearopbeep();
1288: break;
1289:
1290: case 'u': /* undo */
1291: if (VIsual_active || op_type == vim_strchr(opchars, 'u') - opchars + 1)
1292: goto dooperator;
1293: case K_UNDO:
1294: if (checkclearopq())
1295: break;
1296: u_undo((int)Prenum1);
1297: curwin->w_set_curswant = TRUE;
1298: break;
1299:
1300: case Ctrl('R'): /* undo undo */
1301: if (checkclearopq())
1302: break;
1303: u_redo((int)Prenum1);
1304: curwin->w_set_curswant = TRUE;
1305: break;
1306:
1307: case 'U': /* Undo line */
1308: if (VIsual_active || op_type == vim_strchr(opchars, 'U') - opchars + 1)
1309: goto dooperator;
1310: if (checkclearopq())
1311: break;
1312: u_undoline();
1313: curwin->w_set_curswant = TRUE;
1314: break;
1315:
1316: case 'r':
1317: if (VIsual_active)
1318: {
1319: c = 'c';
1320: goto dooperator;
1321: }
1322: if (checkclearop())
1323: break;
1324: ptr = ml_get_cursor();
1325: /* special key or not enough characters to replace */
1326: if (nchar >= 0x100 || STRLEN(ptr) < (unsigned)Prenum1)
1327: {
1328: clearopbeep();
1329: break;
1330: }
1331: /*
1332: * Replacing with a TAB is done by edit(), because it is complicated
1333: * when 'expandtab' is set.
1334: * Other characters are done below to avoid problems with things like
1335: * CTRL-V 048 (for edit() this would be R CTRL-V 0 ESC).
1336: */
1337: if (nchar == '\t' && curbuf->b_p_et)
1338: {
1339: prep_redo(Prenum1, NUL, 'r', '\t', NUL);
1340: stuffnumReadbuff(Prenum1);
1341: stuffcharReadbuff('R');
1342: stuffcharReadbuff('\t');
1343: stuffcharReadbuff(ESC);
1344: break;
1345: }
1346:
1347: if (nchar == Ctrl('V')) /* get another character */
1348: {
1349: c = Ctrl('V');
1350: nchar = get_literal();
1351: }
1352: else
1353: c = NUL;
1354: prep_redo(Prenum1, NUL, 'r', c, nchar);
1355: if (u_save_cursor() == FAIL) /* save line for undo */
1356: break;
1357: /*
1358: * Replace characters by a newline.
1359: * Strange vi behaviour: Only one newline is inserted.
1360: * Delete the characters here.
1361: * Insert the newline with an insert command, takes care of
1362: * autoindent.
1363: */
1364: if (c != Ctrl('V') && (nchar == '\r' || nchar == '\n'))
1365: {
1366: while (Prenum1--) /* delete the characters */
1367: delchar(FALSE);
1368: /* replacing the last character of a line is different */
1369: if (curwin->w_cursor.col > 0 && gchar_cursor() == NUL)
1370: {
1371: --curwin->w_cursor.col;
1372: stuffcharReadbuff('a');
1373: }
1374: else
1375: stuffcharReadbuff('i');
1376: stuffcharReadbuff('\r');
1377: stuffcharReadbuff(ESC);
1378: }
1379: else
1380: {
1381: while (Prenum1--) /* replace the characters */
1382: {
1383: /*
1384: * Replace a 'normal' character.
1385: * Get ptr again, because u_save and/or showmatch() will have
1386: * released the line. At the same time we let know that the
1387: * line will be changed.
1388: */
1389: ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE);
1390: ptr[curwin->w_cursor.col] = nchar;
1391: if (p_sm && (nchar == ')' || nchar == '}' || nchar == ']'))
1392: showmatch();
1393: ++curwin->w_cursor.col;
1394: }
1395: --curwin->w_cursor.col; /* cursor on the last replaced char */
1396: }
1397: curwin->w_set_curswant = TRUE;
1398: CHANGED;
1399: updateline();
1400: set_last_insert(nchar);
1401: break;
1402:
1403: case 'J':
1404: if (VIsual_active) /* join the visual lines */
1405: goto dooperator;
1406: if (checkclearop())
1407: break;
1408: if (Prenum <= 1)
1409: Prenum = 2; /* default for join is two lines! */
1410: if (curwin->w_cursor.lnum + Prenum - 1 > curbuf->b_ml.ml_line_count)
1411: {
1412: clearopbeep(); /* beyond last line */
1413: break;
1414: }
1415:
1416: prep_redo(Prenum, NUL, 'J', NUL, NUL);
1417: do_do_join(Prenum, TRUE, TRUE);
1418: break;
1419:
1420: case 'P':
1421: dir = BACKWARD;
1422: /* FALLTHROUGH */
1423:
1424: case 'p':
1425: /*
1426: * 'P' after an operator or with Visual: Set current block.
1427: * 'p' after an operator or with Visual: Set current paragraph.
1428: */
1429: if (op_type != NOP || VIsual_active)
1430: {
1431: if (c == 'P')
1432: {
1433: if (current_block('{', Prenum1) == FAIL)
1434: clearopbeep();
1435: }
1436: else
1437: {
1438: if (current_par(c, Prenum1) == FAIL)
1439: clearopbeep();
1440: }
1441: curwin->w_set_curswant = TRUE;
1442: }
1443: else
1444: {
1445: prep_redo(Prenum, NUL, c, NUL, NUL);
1446: do_put(dir, Prenum1, FALSE);
1447: }
1448: break;
1449:
1450: case Ctrl('A'): /* add to number */
1451: case Ctrl('X'): /* subtract from number */
1452: if (checkclearopq())
1453: break;
1454: if (do_addsub((int)c, Prenum1) == OK)
1455: prep_redo(Prenum1, NUL, c, NUL, NUL);
1456: break;
1457:
1458: /*
1459: * 6: Inserts
1460: */
1461: case 'A':
1462: type = 1;
1463: /* FALLTHROUGH */
1464:
1465: case 'a':
1466: if (op_type != NOP || VIsual_active)
1467: {
1468: if (current_word(Prenum1, type) == FAIL)
1469: clearopbeep();
1470: curwin->w_set_curswant = TRUE;
1471: }
1472: else
1473: {
1474: if (c == 'A')
1475: {
1476: curwin->w_set_curswant = TRUE;
1477: while (oneright() == OK)
1478: ;
1479: }
1480:
1481: /* Works just like an 'i'nsert on the next character. */
1482: if (u_save_cursor() == OK)
1483: {
1484: if (!lineempty(curwin->w_cursor.lnum))
1485: inc_cursor();
1486: command_busy = edit(c, FALSE, Prenum1);
1487: }
1488: }
1489: break;
1490:
1491: case 'I':
1492: if (checkclearopq())
1493: break;
1494: beginline(TRUE);
1495: /* FALLTHROUGH */
1496:
1497: case 'i':
1498: case K_INS:
1499: insert_command:
1500: if (checkclearopq())
1501: break;
1502: if (u_save_cursor() == OK)
1503: command_busy = edit(c, FALSE, Prenum1);
1504: break;
1505:
1506: case 'o':
1507: if (VIsual_active) /* switch start and end of visual */
1508: {
1509: Prenum = VIsual.lnum;
1510: VIsual.lnum = curwin->w_cursor.lnum;
1511: curwin->w_cursor.lnum = Prenum;
1512: n = VIsual.col;
1513: VIsual.col = curwin->w_cursor.col;
1514: curwin->w_cursor.col = (int)n;
1515: curwin->w_set_curswant = TRUE;
1516: break;
1517: }
1518: if (checkclearop())
1519: break;
1520: if (has_format_option(FO_OPEN_COMS))
1521: fo_do_comments = TRUE;
1522: if (u_save(curwin->w_cursor.lnum,
1523: (linenr_t)(curwin->w_cursor.lnum + 1)) == OK &&
1524: Opencmd(FORWARD, TRUE, FALSE))
1525: command_busy = edit('o', TRUE, Prenum1);
1526: fo_do_comments = FALSE;
1527: break;
1528:
1529: case 'O':
1530: if (checkclearopq())
1531: break;
1532: if (has_format_option(FO_OPEN_COMS))
1533: fo_do_comments = TRUE;
1534: if (u_save((linenr_t)(curwin->w_cursor.lnum - 1),
1535: curwin->w_cursor.lnum) == OK && Opencmd(BACKWARD, TRUE, FALSE))
1536: command_busy = edit('O', TRUE, Prenum1);
1537: fo_do_comments = FALSE;
1538: break;
1539:
1540: case 'R':
1541: if (VIsual_active)
1542: {
1543: c = 'c';
1544: VIsual_mode = 'V';
1545: goto dooperator;
1546: }
1547: if (checkclearopq())
1548: break;
1549: if (u_save_cursor() == OK)
1550: command_busy = edit('R', FALSE, Prenum1);
1551: break;
1552:
1553: /*
1554: * 7: Operators
1555: */
1556: case '~': /* swap case */
1557: /*
1558: * if tilde is not an operator and Visual is off: swap case
1559: * of a single character
1560: */
1561: if (!p_to && !VIsual_active &&
1562: op_type != vim_strchr(opchars, '~') - opchars + 1)
1563: {
1564: if (checkclearopq())
1565: break;
1566: if (lineempty(curwin->w_cursor.lnum))
1567: {
1568: clearopbeep();
1569: break;
1570: }
1571: prep_redo(Prenum, NUL, '~', NUL, NUL);
1572:
1573: if (u_save_cursor() == FAIL)
1574: break;
1575:
1576: for (; Prenum1 > 0; --Prenum1)
1577: {
1578: if (gchar_cursor() == NUL)
1579: break;
1580: swapchar(&curwin->w_cursor);
1581: inc_cursor();
1582: }
1583:
1584: curwin->w_set_curswant = TRUE;
1585: CHANGED;
1586: updateline();
1587: break;
1588: }
1589: /*FALLTHROUGH*/
1590:
1591: case 'd':
1592: case 'c':
1593: case 'y':
1594: case '>':
1595: case '<':
1596: case '!':
1597: case '=':
1598: dooperator:
1599: n = vim_strchr(opchars, c) - opchars + 1;
1600: if (n == op_type) /* double operator works on lines */
1601: goto lineop;
1602: if (checkclearop())
1603: break;
1604: if (Prenum != 0)
1605: opnum = Prenum;
1606: curbuf->b_op_start = curwin->w_cursor;
1607: op_type = (int)n;
1608: break;
1609:
1610: /*
1611: * 8: Abbreviations
1612: */
1613:
1614: /* when Visual the next commands are operators */
1615: case K_DEL:
1616: c = 'x'; /* DEL key behaves like 'x' */
1617: case 'S':
1618: case 'Y':
1619: case 'D':
1620: case 'C':
1621: case 'x':
1622: case 'X':
1623: case 's':
1624: /*
1625: * 's' or 'S' with an operator: Operate on sentence or section.
1626: */
1627: if (op_type != NOP || VIsual_active)
1628: {
1629: if (c == 's') /* sentence */
1630: {
1631: if (current_sent(Prenum1) == FAIL)
1632: clearopbeep();
1633: curwin->w_set_curswant = TRUE;
1634: break;
1635: }
1636: if (c == 'S') /* block with () */
1637: {
1638: if (current_block('(', Prenum1) == FAIL)
1639: clearopbeep();
1640: curwin->w_set_curswant = TRUE;
1641: break;
1642: }
1643: }
1644: if (VIsual_active)
1645: {
1646: static char_u trans[] = "YyDdCcxdXd";
1647:
1648: /* uppercase means linewise */
1649: if (isupper(c) && VIsual_mode != Ctrl('V'))
1650: VIsual_mode = 'V';
1651: c = *(vim_strchr(trans, c) + 1);
1652: goto dooperator;
1653: }
1654:
1655: case '&':
1656: if (checkclearopq())
1657: break;
1658: if (Prenum)
1659: stuffnumReadbuff(Prenum);
1660:
1661: {
1662: static char_u *(ar[8]) = {(char_u *)"dl", (char_u *)"dh",
1663: (char_u *)"d$", (char_u *)"c$",
1664: (char_u *)"cl", (char_u *)"cc",
1665: (char_u *)"yy", (char_u *)":s\r"};
1666: static char_u *str = (char_u *)"xXDCsSY&";
1667:
1668: stuffReadbuff(ar[(int)(vim_strchr(str, c) - str)]);
1669: }
1670: break;
1671:
1672: /*
1673: * 9: Marks
1674: */
1675:
1676: case 'm':
1677: if (checkclearop())
1678: break;
1679: if (setmark(nchar) == FAIL)
1680: clearopbeep();
1681: break;
1682:
1683: case '\'':
1684: flag = TRUE;
1685: /* FALLTHROUGH */
1686:
1687: case '`':
1688: pos = getmark(nchar, (op_type == NOP));
1689: if (pos == (FPOS *)-1) /* jumped to other file */
1690: {
1691: if (flag)
1692: beginline(TRUE);
1693: break;
1694: }
1695:
1696: cursormark:
1697: if (check_mark(pos) == FAIL)
1698: clearop();
1699: else
1700: {
1701: if (c == '\'' || c == '`')
1702: setpcmark();
1703: curwin->w_cursor = *pos;
1704: if (flag)
1705: beginline(TRUE);
1706: }
1707: op_motion_type = flag ? MLINE : MCHAR;
1708: op_inclusive = FALSE; /* ignored if not MCHAR */
1709: curwin->w_set_curswant = TRUE;
1710: break;
1711:
1712: case Ctrl('O'): /* goto older pcmark */
1713: Prenum1 = -Prenum1;
1714: /* FALLTHROUGH */
1715:
1716: case Ctrl('I'): /* goto newer pcmark */
1717: if (checkclearopq())
1718: break;
1719: pos = movemark((int)Prenum1);
1720: if (pos == (FPOS *)-1) /* jump to other file */
1721: {
1722: curwin->w_set_curswant = TRUE;
1723: break;
1724: }
1725: if (pos != NULL) /* can jump */
1726: goto cursormark;
1727: clearopbeep();
1728: break;
1729:
1730: /*
1731: * 10. Buffer setting
1732: */
1733: case '"':
1734: if (checkclearop())
1735: break;
1736: if (nchar != NUL && is_yank_buffer(nchar, FALSE))
1737: {
1738: yankbuffer = nchar;
1739: opnum = Prenum; /* remember count before '"' */
1740: }
1741: else
1742: clearopbeep();
1743: break;
1744:
1745: /*
1746: * 11. Visual
1747: */
1748: case 'v':
1749: case 'V':
1750: case Ctrl('V'):
1751: if (checkclearop())
1752: break;
1753:
1754: /* change Visual mode */
1755: if (VIsual_active)
1756: {
1757: if (VIsual_mode == c) /* stop visual mode */
1758: {
1759: end_visual_mode();
1760: }
1761: else /* toggle char/block mode */
1762: { /* or char/line mode */
1763: VIsual_mode = c;
1764: showmode();
1765: }
1766: update_curbuf(NOT_VALID); /* update the inversion */
1767: }
1768: /* start Visual mode */
1769: else
1770: {
1771: VIsual_save = VIsual; /* keep for "gv" */
1772: VIsual_mode_save = VIsual_mode;
1773: start_visual_highlight();
1774: if (Prenum) /* use previously selected part */
1775: {
1776: if (resel_VIsual_mode == NUL) /* there is none */
1777: {
1778: beep_flush();
1779: break;
1780: }
1781: VIsual = curwin->w_cursor;
1782: VIsual_active = TRUE;
1783: #ifdef USE_MOUSE
1784: setmouse();
1785: #endif
1786: if (p_smd)
1787: redraw_cmdline = TRUE; /* show visual mode later */
1788: /*
1789: * For V and ^V, we multiply the number of lines even if there
1790: * was only one -- webb
1791: */
1792: if (resel_VIsual_mode != 'v' || resel_VIsual_line_count > 1)
1793: {
1794: curwin->w_cursor.lnum += resel_VIsual_line_count * Prenum - 1;
1795: if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
1796: curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
1797: }
1798: VIsual_mode = resel_VIsual_mode;
1799: if (VIsual_mode == 'v')
1800: {
1801: if (resel_VIsual_line_count <= 1)
1802: curwin->w_cursor.col += resel_VIsual_col * Prenum - 1;
1803: else
1804: curwin->w_cursor.col = resel_VIsual_col;
1805: }
1806: if (resel_VIsual_col == MAXCOL)
1807: {
1808: curwin->w_curswant = MAXCOL;
1809: coladvance(MAXCOL);
1810: }
1811: else if (VIsual_mode == Ctrl('V'))
1812: {
1813: curwin->w_curswant = curwin->w_virtcol +
1814: resel_VIsual_col * Prenum - 1;
1815: coladvance((colnr_t)curwin->w_curswant);
1816: }
1817: else
1818: curwin->w_set_curswant = TRUE;
1819: curs_columns(TRUE); /* recompute w_virtcol */
1820: update_curbuf(NOT_VALID); /* show the inversion */
1821: }
1822: else
1823: {
1824: VIsual = curwin->w_cursor;
1825: VIsual_mode = c;
1826: VIsual_active = TRUE;
1827: #ifdef USE_MOUSE
1828: setmouse();
1829: #endif
1830: if (p_smd)
1831: redraw_cmdline = TRUE; /* show visual mode later */
1832: updateline(); /* start the inversion */
1833: }
1834: }
1835: break;
1836:
1837: /*
1838: * 12. Suspend
1839: */
1840:
1841: case Ctrl('Z'):
1842: clearop();
1843: if (VIsual_active)
1844: end_visual_mode(); /* stop Visual */
1845: stuffReadbuff((char_u *)":st\r"); /* with autowrite */
1846: break;
1847:
1848: /*
1849: * 13. Window commands
1850: */
1851:
1852: case Ctrl('W'):
1853: if (checkclearop())
1854: break;
1855: do_window(nchar, Prenum); /* everything is in window.c */
1856: break;
1857:
1858: /*
1859: * 14. extended commands (starting with 'g')
1860: */
1861: case 'g':
1862: switch (nchar)
1863: {
1864: /*
1865: * "gv": reselect the previous visual area
1866: */
1867: case 'v':
1868: if (checkclearop())
1869: break;
1870: if (VIsual_active)
1871: pos = &VIsual_save;
1872: else
1873: pos = &VIsual;
1874: if (pos->lnum == 0 || pos->lnum > curbuf->b_ml.ml_line_count ||
1875: VIsual_end.lnum == 0)
1876: beep_flush();
1877: else
1878: {
1879: FPOS tt;
1880: int t;
1881:
1882: /* exchange previous and current visual area */
1883: if (VIsual_active)
1884: {
1885: tt = VIsual;
1886: VIsual = VIsual_save;
1887: VIsual_save = tt;
1888: t = VIsual_mode;
1889: VIsual_mode = VIsual_mode_save;
1890: VIsual_mode_save = t;
1891: tt = curwin->w_cursor;
1892: }
1893: curwin->w_cursor = VIsual_end;
1894: if (VIsual_active)
1895: VIsual_end = tt;
1896: check_cursor();
1897: VIsual_active = TRUE;
1898: #ifdef USE_MOUSE
1899: setmouse();
1900: #endif
1901: update_curbuf(NOT_VALID);
1902: showmode();
1903: }
1904: break;
1905:
1906: /*
1907: * "gj" and "gk" two new funny movement keys -- up and down
1908: * movement based on *screen* line rather than *file* line.
1909: */
1910: case 'j':
1911: case K_DOWN:
1912: if (!curwin->w_p_wrap)
1913: goto normal_j;
1914: if (screengo(FORWARD, Prenum1) == FAIL)
1915: clearopbeep();
1916: break;
1917:
1918: case 'k':
1919: case K_UP:
1920: if (!curwin->w_p_wrap)
1921: goto normal_k;
1922: if (screengo(BACKWARD, Prenum1) == FAIL)
1923: clearopbeep();
1924: break;
1925:
1926: /*
1927: * "g0", "g^" and "g$": Like "0", "^" and "$" but for screen lines.
1928: */
1929: case '^':
1930: flag = TRUE;
1931: /* FALLTHROUGH */
1932:
1933: case '0':
1934: case K_HOME:
1.2 downsj 1935: case K_KHOME:
1.1 downsj 1936: op_motion_type = MCHAR;
1937: op_inclusive = FALSE;
1938: if (curwin->w_p_wrap)
1939: {
1940: n = ((curwin->w_virtcol + (curwin->w_p_nu ? 8 : 0)) /
1.2 downsj 1941: Columns) * Columns;
1.1 downsj 1942: if (curwin->w_p_nu && n > 8)
1943: n -= 8;
1944: }
1945: else
1946: n = curwin->w_leftcol;
1947: coladvance((colnr_t)n);
1948: if (flag)
1949: while (vim_iswhite(gchar_cursor()) && oneright() == OK)
1950: ;
1951: curwin->w_set_curswant = TRUE;
1952: break;
1953:
1954: case '$':
1955: case K_END:
1.2 downsj 1956: case K_KEND:
1.1 downsj 1957: op_motion_type = MCHAR;
1958: op_inclusive = TRUE;
1959: if (curwin->w_p_wrap)
1960: {
1.2 downsj 1961: curwin->w_curswant = MAXCOL; /* so we stay at the end */
1.1 downsj 1962: if (Prenum1 == 1)
1963: {
1964: n = ((curwin->w_virtcol + (curwin->w_p_nu ? 8 : 0)) /
1.2 downsj 1965: Columns + 1) * Columns - 1;
1.1 downsj 1966: if (curwin->w_p_nu && n > 8)
1967: n -= 8;
1968: coladvance((colnr_t)n);
1969: }
1970: else if (screengo(FORWARD, Prenum1 - 1) == FAIL)
1971: clearopbeep();
1972: }
1973: else
1974: {
1975: n = curwin->w_leftcol + Columns - 1;
1976: if (curwin->w_p_nu)
1977: n -= 8;
1978: coladvance((colnr_t)n);
1979: curwin->w_set_curswant = TRUE;
1980: }
1981: break;
1982:
1983: /*
1984: * "g*" and "g#", like "*" and "#" but without using "\<" and "\>"
1985: */
1986: case '*':
1987: case '#':
1988: goto search_word;
1989:
1990: /*
1991: * ge and gE: go back to end of word
1992: */
1993: case 'e':
1994: case 'E':
1995: op_motion_type = MCHAR;
1996: curwin->w_set_curswant = TRUE;
1997: op_inclusive = TRUE;
1998: if (bckend_word(Prenum1, nchar == 'E', FALSE) == FAIL)
1999: clearopbeep();
2000: break;
2001:
2002: /*
2003: * g CTRL-G: display info about cursor position
2004: */
2005: case Ctrl('G'):
2006: cursor_pos_info();
2007: break;
2008:
2009: /*
2010: * "gI": Start insert in column 1.
2011: */
2012: case 'I':
2013: beginline(FALSE);
2014: goto insert_command;
2015:
2016: /*
2017: * "gf": goto file, edit file under cursor
2018: * "]f" and "[f": can also be used.
2019: */
2020: case 'f':
2021: gotofile:
2022: ptr = file_name_at_cursor(FNAME_MESS|FNAME_HYP|FNAME_EXP);
2023: if (ptr != NULL)
2024: {
2025: /* do autowrite if necessary */
2026: if (curbuf->b_changed && curbuf->b_nwindows <= 1 && !p_hid)
1.2 downsj 2027: autowrite(curbuf, FALSE);
1.1 downsj 2028: setpcmark();
1.2 downsj 2029: (void)do_ecmd(0, ptr, NULL, NULL, (linenr_t)0,
2030: p_hid ? ECMD_HIDE : 0);
1.1 downsj 2031: vim_free(ptr);
2032: }
2033: else
2034: clearop();
2035: break;
2036:
2037: /*
2038: * "gs": Goto sleep, but keep on checking for CTRL-C
2039: */
2040: case 's':
2041: while (Prenum1-- && !got_int)
2042: {
2043: mch_delay(1000L, TRUE);
2044: mch_breakcheck();
2045: }
2046: break;
2047:
2048: /*
2049: * "ga": Display the ascii value of the character under the
2050: * cursor. It is displayed in decimal, hex, and octal. -- webb
2051: */
2052: case 'a':
2053: do_ascii();
2054: break;
2055:
2056: /*
2057: * "gg": Goto the first line in file. With a count it goes to
2058: * that line number like for G. -- webb
2059: */
2060: case 'g':
2061: goto_line_one:
2062: if (Prenum == 0)
2063: Prenum = 1;
2064: goto goto_line;
2065:
2066: /*
2067: * Operater to format text:
2068: * gq same as 'Q' operator.
2069: * Operators to change the case of text:
2070: * g~ Toggle the case of the text.
2071: * gu Change text to lower case.
2072: * gU Change text to upper case.
2073: * --webb
2074: */
2075: case 'q':
2076: case '~':
2077: case 'u':
2078: case 'U':
2079: prechar = c;
2080: c = nchar;
2081: goto dooperator;
2082:
2083: /*
2084: * "gd": Find first occurence of pattern under the cursor in the
2085: * current function
2086: * "gD": idem, but in the current file.
2087: */
2088: case 'd':
2089: case 'D':
2090: do_gd(nchar);
2091: break;
2092:
2093: #ifdef USE_MOUSE
2094: /*
2095: * g<*Mouse> : <C-*mouse>
2096: */
2097: case K_MIDDLEMOUSE:
2098: case K_MIDDLEDRAG:
2099: case K_MIDDLERELEASE:
2100: case K_LEFTMOUSE:
2101: case K_LEFTDRAG:
2102: case K_LEFTRELEASE:
2103: case K_RIGHTMOUSE:
2104: case K_RIGHTDRAG:
2105: case K_RIGHTRELEASE:
2106: mod_mask = MOD_MASK_CTRL;
2107: (void)do_mouse(nchar, BACKWARD, Prenum1, FALSE);
2108: break;
2109:
2110: case K_IGNORE:
2111: break;
2112: #endif
2113:
2114: default:
2115: clearopbeep();
2116: break;
2117: }
2118: break;
2119:
2120: /*
2121: * 15. mouse click
2122: */
2123: #ifdef USE_MOUSE
2124: case K_MIDDLEMOUSE:
2125: case K_MIDDLEDRAG:
2126: case K_MIDDLERELEASE:
2127: case K_LEFTMOUSE:
2128: case K_LEFTDRAG:
2129: case K_LEFTRELEASE:
2130: case K_RIGHTMOUSE:
2131: case K_RIGHTDRAG:
2132: case K_RIGHTRELEASE:
2133: (void)do_mouse(c, BACKWARD, Prenum1, FALSE);
2134: break;
2135:
2136: case K_IGNORE:
2137: break;
2138: #endif
2139:
2140: #ifdef USE_GUI
2141: /*
2142: * 16. scrollbar movement
2143: */
2144: case K_SCROLLBAR:
2145: if (op_type != NOP)
2146: clearopbeep();
2147:
2148: /* Even if an operator was pending, we still want to scroll */
2149: gui_do_scroll();
2150: break;
2151:
2152: case K_HORIZ_SCROLLBAR:
2153: if (op_type != NOP)
2154: clearopbeep();
2155:
2156: /* Even if an operator was pending, we still want to scroll */
2157: gui_do_horiz_scroll();
2158: break;
2159: #endif
2160:
2161: /*
2162: * 17. The end
2163: */
2164: case ESC:
2165: /* Don't drop through and beep if we are canceling a command: */
2166: if (!VIsual_active && (op_type != NOP ||
2167: opnum || Prenum || yankbuffer))
2168: {
2169: clearop(); /* don't beep */
2170: break;
2171: }
2172: if (VIsual_active)
2173: {
2174: end_visual_mode(); /* stop Visual */
2175: update_curbuf(NOT_VALID);
2176: clearop(); /* don't beep */
2177: break;
2178: }
2179: /* ESC in normal mode: beep, but don't flush buffers */
2180: clearop();
2181: vim_beep();
2182: break;
2183:
2184: default: /* not a known command */
2185: clearopbeep();
2186: break;
2187:
2188: } /* end of switch on command character */
2189:
2190: /*
2191: * if we didn't start or finish an operator, reset yankbuffer, unless we
2192: * need it later.
2193: */
2194: if (!finish_op && !op_type && vim_strchr((char_u *)"\"DCYSsXx.", c) == NULL)
2195: yankbuffer = 0;
2196:
2197: /*
2198: * If an operation is pending, handle it...
2199: */
2200: do_pending_operator(c, nchar, finish_op, searchbuff,
2201: &command_busy, old_col, FALSE, dont_adjust_op_end);
2202:
1.2 downsj 2203: /*
2204: * Wait when a message is displayed that will be overwritten by the mode
2205: * message.
2206: * In Visual mode and with "^O" in Insert mode, a short message will be
2207: * overwritten by the mode message. Wait a bit, until a key is hit.
2208: * In Visual mode, it's more important to keep the Visual area updated
2209: * than keeping a message (e.g. from a /pat search).
2210: * Only do this if the command was typed, not from a mapping.
2211: * Also wait a bit after an error message, e.g. for "^O:".
2212: * Don't redraw the screen, it would remove the message.
2213: */
2214: if (((p_smd && ((VIsual_active && old_pos.lnum == curwin->w_cursor.lnum &&
2215: old_pos.col == curwin->w_cursor.col) || restart_edit) &&
2216: (clear_cmdline || redraw_cmdline) && msg_didany && KeyTyped) ||
2217: (restart_edit && !VIsual_active && (msg_scroll || emsg_on_display
2218: #ifdef SLEEP_IN_EMSG
2219: || need_sleep
2220: #endif
2221: ))) &&
2222: yankbuffer == 0 && !command_busy && stuff_empty() && op_type == NOP)
2223: {
2224: ++RedrawingDisabled;
2225: cursupdate();
2226: --RedrawingDisabled;
2227: setcursor();
2228: flushbuf();
2229: if (msg_scroll || emsg_on_display
2230: #ifdef SLEEP_IN_EMSG
2231: || need_sleep
2232: #endif
2233: )
2234: mch_delay(1000L, TRUE); /* wait at least one second */
2235: mch_delay(10000L, FALSE); /* wait up to ten seconds */
2236:
2237: msg_scroll = FALSE;
2238: emsg_on_display = FALSE;
2239: #ifdef SLEEP_IN_EMSG
2240: need_sleep = FALSE;
2241: #endif
2242: }
2243:
1.1 downsj 2244: normal_end:
2245: if (op_type == NOP && yankbuffer == 0)
2246: clear_showcmd();
2247:
2248: if (restart_edit && op_type == NOP && !VIsual_active
2249: && !command_busy && stuff_empty() && yankbuffer == 0)
2250: (void)edit(restart_edit, FALSE, 1L);
2251:
1.2 downsj 2252: if (!search_dont_set_mark)
2253: checkpcmark(); /* check if we moved since setting pcmark */
1.1 downsj 2254: vim_free(searchbuff);
2255:
2256: /*
2257: * Update the other windows for the current buffer if modified has been set in
2258: * set_Changed() (This should be done more efficiently)
2259: */
2260: if (modified)
2261: {
2262: WIN *wp;
2263:
2264: for (wp = firstwin; wp; wp = wp->w_next)
2265: if (wp != curwin && wp->w_buffer == curbuf)
2266: {
2267: cursor_off();
2268: wp->w_redr_type = NOT_VALID;
2269: /*
2270: * don't do the actual redraw if wait_return() has just been
2271: * called and the user typed a ":"
2272: */
2273: if (!skip_redraw)
2274: win_update(wp);
2275: }
2276: modified = FALSE;
2277: }
2278: }
2279:
2280: /*
2281: * Handle an operator after visual mode or when the movement is finished
2282: */
2283: void
2284: do_pending_operator(c, nchar, finish_op, searchbuff, command_busy,
2285: old_col, gui_yank, dont_adjust_op_end)
2286: register int c;
2287: int nchar;
2288: int finish_op;
2289: char_u *searchbuff;
2290: int *command_busy;
2291: int old_col;
2292: int gui_yank; /* yanking visual area for GUI */
2293: int dont_adjust_op_end;
2294: {
2295: /* The visual area is remembered for redo */
2296: static int redo_VIsual_mode = NUL; /* 'v', 'V', or Ctrl-V */
2297: static linenr_t redo_VIsual_line_count; /* number of lines */
2298: static colnr_t redo_VIsual_col; /* number of cols or end column */
2299: static long redo_VIsual_Prenum; /* Prenum for operator */
2300:
2301: linenr_t Prenum1 = 1L;
2302: FPOS old_cursor;
2303: int VIsual_was_active = VIsual_active;
2304: int redraw;
2305:
2306: #ifdef USE_GUI
2307: /*
2308: * Yank the visual area into the GUI selection register before we operate
2309: * on it and lose it forever. This could call do_pending_operator()
2310: * recursively, but that's OK because gui_yank will be TRUE for the
2311: * nested call. Note also that we call gui_copy_selection() and not
2312: * gui_auto_select(). This is because even when 'autoselect' is not set,
2313: * if we operate on the text, eg by deleting it, then this is considered to
2314: * be an explicit request for it to be put in the global cut buffer, so we
2315: * always want to do it here. -- webb
2316: */
2317: if (gui.in_use && op_type != NOP && !gui_yank && VIsual_active
2318: && !redo_VIsual_busy)
2319: gui_copy_selection();
2320: #endif
2321: old_cursor = curwin->w_cursor;
2322:
2323: /*
2324: * If an operation is pending, handle it...
2325: */
2326: if ((VIsual_active || finish_op) && op_type != NOP)
2327: {
2328: op_is_VIsual = VIsual_active;
2329: if (op_type != YANK && !VIsual_active) /* can't redo yank */
2330: {
2331: prep_redo(Prenum, prechar, opchars[op_type - 1], c, nchar);
2332: if (c == '/' || c == '?') /* was a search */
2333: {
2334: /*
2335: * If 'cpoptions' does not contain 'r', insert the search
2336: * pattern to really repeat the same command.
2337: */
2338: if (vim_strchr(p_cpo, CPO_REDO) == NULL)
2339: AppendToRedobuff(searchbuff);
2340: AppendToRedobuff(NL_STR);
2341: }
2342: }
2343:
2344: if (redo_VIsual_busy)
2345: {
2346: curbuf->b_op_start = curwin->w_cursor;
2347: curwin->w_cursor.lnum += redo_VIsual_line_count - 1;
2348: if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
2349: curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
2350: VIsual_mode = redo_VIsual_mode;
2351: if (VIsual_mode == 'v')
2352: {
2353: if (redo_VIsual_line_count <= 1)
2354: curwin->w_cursor.col += redo_VIsual_col - 1;
2355: else
2356: curwin->w_cursor.col = redo_VIsual_col;
2357: }
2358: if (redo_VIsual_col == MAXCOL)
2359: {
2360: curwin->w_curswant = MAXCOL;
2361: coladvance(MAXCOL);
2362: }
2363: Prenum = redo_VIsual_Prenum;
2364: }
2365: else if (VIsual_active)
2366: {
2367: curbuf->b_op_start = VIsual;
2368: VIsual_end = curwin->w_cursor;
2369: if (VIsual_mode == 'V')
2370: curbuf->b_op_start.col = 0;
2371: }
2372:
2373: if (lt(curbuf->b_op_start, curwin->w_cursor))
2374: {
2375: curbuf->b_op_end = curwin->w_cursor;
2376: curwin->w_cursor = curbuf->b_op_start;
2377: }
2378: else
2379: {
2380: curbuf->b_op_end = curbuf->b_op_start;
2381: curbuf->b_op_start = curwin->w_cursor;
2382: }
2383: op_line_count = curbuf->b_op_end.lnum - curbuf->b_op_start.lnum + 1;
2384:
2385: if (VIsual_active || redo_VIsual_busy)
2386: {
2387: if (VIsual_mode == Ctrl('V')) /* block mode */
2388: {
2389: colnr_t start, end;
2390:
2391: op_block_mode = TRUE;
2392: getvcol(curwin, &(curbuf->b_op_start),
2393: &op_start_vcol, NULL, &op_end_vcol);
2394: if (!redo_VIsual_busy)
2395: {
2396: getvcol(curwin, &(curbuf->b_op_end), &start, NULL, &end);
2397: if (start < op_start_vcol)
2398: op_start_vcol = start;
2399: if (end > op_end_vcol)
2400: op_end_vcol = end;
2401: }
2402:
2403: /* if '$' was used, get op_end_vcol from longest line */
2404: if (curwin->w_curswant == MAXCOL)
2405: {
2406: curwin->w_cursor.col = MAXCOL;
2407: op_end_vcol = 0;
2408: for (curwin->w_cursor.lnum = curbuf->b_op_start.lnum;
2409: curwin->w_cursor.lnum <= curbuf->b_op_end.lnum;
2410: ++curwin->w_cursor.lnum)
2411: {
2412: getvcol(curwin, &curwin->w_cursor, NULL, NULL, &end);
2413: if (end > op_end_vcol)
2414: op_end_vcol = end;
2415: }
2416: curwin->w_cursor = curbuf->b_op_start;
2417: }
2418: else if (redo_VIsual_busy)
2419: op_end_vcol = op_start_vcol + redo_VIsual_col - 1;
2420: coladvance(op_start_vcol);
2421: }
2422:
2423: if (!redo_VIsual_busy)
2424: {
2425: /*
2426: * Prepare to reselect and redo Visual: this is based on the
2427: * size of the Visual text
2428: */
2429: resel_VIsual_mode = VIsual_mode;
2430: if (curwin->w_curswant == MAXCOL)
2431: resel_VIsual_col = MAXCOL;
2432: else if (VIsual_mode == Ctrl('V'))
2433: resel_VIsual_col = op_end_vcol - op_start_vcol + 1;
2434: else if (op_line_count > 1)
2435: resel_VIsual_col = curbuf->b_op_end.col;
2436: else
2437: resel_VIsual_col = curbuf->b_op_end.col -
2438: curbuf->b_op_start.col + 1;
2439: resel_VIsual_line_count = op_line_count;
2440: }
2441: /* can't redo yank and : */
2442: if (op_type != YANK && op_type != COLON)
2443: {
2444: prep_redo(0L, NUL, 'v', prechar, opchars[op_type - 1]);
2445: redo_VIsual_mode = resel_VIsual_mode;
2446: redo_VIsual_col = resel_VIsual_col;
2447: redo_VIsual_line_count = resel_VIsual_line_count;
2448: redo_VIsual_Prenum = Prenum;
2449: }
2450:
2451: /*
2452: * Mincl defaults to TRUE.
2453: * If op_end is on a NUL (empty line) op_inclusive becomes FALSE
2454: * This makes "d}P" and "v}dP" work the same.
2455: */
2456: op_inclusive = TRUE;
2457: if (VIsual_mode == 'V')
2458: op_motion_type = MLINE;
2459: else
2460: {
2461: op_motion_type = MCHAR;
2462: if (*ml_get_pos(&(curbuf->b_op_end)) == NUL)
2463: op_inclusive = FALSE;
2464: }
2465:
2466: redo_VIsual_busy = FALSE;
2467: /*
2468: * Switch Visual off now, so screen updating does
2469: * not show inverted text when the screen is redrawn.
2470: * With YANK and sometimes with COLON and FILTER there is no screen
2471: * redraw, so it is done here to remove the inverted part.
2472: */
2473: if (!gui_yank)
2474: {
2475: VIsual_active = FALSE;
2476: #ifdef USE_MOUSE
2477: setmouse();
2478: #endif
2479: if (p_smd)
2480: clear_cmdline = TRUE; /* unshow visual mode later */
2481: if (op_type == YANK || op_type == COLON || op_type == FILTER)
2482: update_curbuf(NOT_VALID);
2483: }
2484:
2485: /* set Prenum1 for LSHIFT and RSHIFT, e.g. "V3j2>" */
2486: if (Prenum == 0)
2487: Prenum1 = 1L;
2488: else
2489: Prenum1 = Prenum;
2490: }
2491:
2492: curwin->w_set_curswant = TRUE;
2493:
2494: /* op_empty is set when start and end are the same */
2495: op_empty = (op_motion_type == MCHAR && !op_inclusive &&
2496: equal(curbuf->b_op_start, curbuf->b_op_end));
2497:
2498: /*
2499: * If the end of an operator is in column one while op_motion_type is
2500: * MCHAR and op_inclusive is FALSE, we put op_end after the last character
2501: * in the previous line. If op_start is on or before the first non-blank
2502: * in the line, the operator becomes linewise (strange, but that's the way
2503: * vi does it).
2504: */
2505: if (op_motion_type == MCHAR && op_inclusive == FALSE &&
2506: !dont_adjust_op_end && curbuf->b_op_end.col == 0 &&
2507: op_line_count > 1)
2508: {
2509: op_end_adjusted = TRUE; /* remember that we did this */
2510: --op_line_count;
2511: --curbuf->b_op_end.lnum;
2512: if (inindent(0))
2513: op_motion_type = MLINE;
2514: else
2515: {
2516: curbuf->b_op_end.col = STRLEN(ml_get(curbuf->b_op_end.lnum));
2517: if (curbuf->b_op_end.col)
2518: {
2519: --curbuf->b_op_end.col;
2520: op_inclusive = TRUE;
2521: }
2522: }
2523: }
2524: else
2525: op_end_adjusted = FALSE;
2526: switch (op_type)
2527: {
2528: case LSHIFT:
2529: case RSHIFT:
2530: do_shift(op_type, TRUE, (int)Prenum1);
2531: break;
2532:
2533: case JOIN:
2534: if (op_line_count < 2)
2535: op_line_count = 2;
2536: if (curwin->w_cursor.lnum + op_line_count - 1 >
2537: curbuf->b_ml.ml_line_count)
2538: beep_flush();
2539: else
2540: {
2541: /*
2542: * If the cursor position has been changed, recompute the
2543: * current cursor position in the window. If it's not visible,
2544: * don't keep the window updated when joining the lines.
2545: */
2546: if (old_cursor.lnum != curwin->w_cursor.lnum ||
2547: old_cursor.col != curwin->w_cursor.col)
2548: redraw = (curs_rows() == OK);
2549: else
2550: redraw = TRUE;
2551: do_do_join(op_line_count, TRUE, redraw);
2552: }
2553: break;
2554:
2555: case DELETE:
2556: if (!op_empty)
2557: do_delete();
2558: break;
2559:
2560: case YANK:
2561: if (!op_empty)
2562: (void)do_yank(FALSE, !gui_yank);
2563: break;
2564:
2565: case CHANGE:
2566: *command_busy = do_change(); /* will set op_type to NOP */
2567: break;
2568:
2569: case FILTER:
2570: if (vim_strchr(p_cpo, CPO_FILTER) != NULL)
2571: AppendToRedobuff((char_u *)"!\r"); /* use any last used !cmd */
2572: else
2573: bangredo = TRUE; /* do_bang() will put cmd in redo buffer */
2574:
2575: case INDENT:
2576: case COLON:
2577:
2578: #if defined(LISPINDENT) || defined(CINDENT)
2579: /*
2580: * If 'equalprg' is empty, do the indenting internally.
2581: */
2582: if (op_type == INDENT && *p_ep == NUL)
2583: {
2584: # ifdef LISPINDENT
2585: if (curbuf->b_p_lisp)
2586: {
2587: do_reindent(get_lisp_indent);
2588: break;
2589: }
2590: # endif
2591: # ifdef CINDENT
2592: do_reindent(get_c_indent);
2593: break;
2594: # endif
2595: }
2596: #endif /* defined(LISPINDENT) || defined(CINDENT) */
2597:
2598: dofilter:
2599: if (VIsual_was_active)
2600: sprintf((char *)IObuff, ":'<,'>");
2601: else
2602: sprintf((char *)IObuff, ":%ld,%ld",
2603: (long)curbuf->b_op_start.lnum,
2604: (long)curbuf->b_op_end.lnum);
2605: stuffReadbuff(IObuff);
2606: if (op_type != COLON)
2607: stuffReadbuff((char_u *)"!");
2608: if (op_type == INDENT)
2609: {
2610: #ifndef CINDENT
2611: if (*p_ep == NUL)
2612: stuffReadbuff((char_u *)"indent");
2613: else
2614: #endif
2615: stuffReadbuff(p_ep);
2616: stuffReadbuff((char_u *)"\n");
2617: }
2618: else if (op_type == FORMAT || op_type == GFORMAT)
2619: {
2620: if (*p_fp == NUL)
2621: stuffReadbuff((char_u *)"fmt");
2622: else
2623: stuffReadbuff(p_fp);
2624: stuffReadbuff((char_u *)"\n");
2625: }
2626: /* do_cmdline() does the rest */
2627: break;
2628:
2629: case TILDE:
2630: case UPPER:
2631: case LOWER:
2632: if (!op_empty)
2633: do_tilde();
2634: break;
2635:
2636: case FORMAT:
2637: case GFORMAT:
2638: if (*p_fp != NUL)
2639: goto dofilter; /* use external command */
2640: do_format(); /* use internal function */
2641: break;
2642:
2643: default:
2644: clearopbeep();
2645: }
2646: prechar = NUL;
2647: if (!gui_yank)
2648: {
2649: /*
2650: * if 'sol' not set, go back to old column for some commands
2651: */
2652: if (!p_sol && op_motion_type == MLINE && (op_type == LSHIFT ||
2653: op_type == RSHIFT || op_type == DELETE))
2654: coladvance(curwin->w_curswant = old_col);
2655: op_type = NOP;
2656: }
2657: else
2658: curwin->w_cursor = old_cursor;
2659: op_block_mode = FALSE;
2660: yankbuffer = 0;
2661: }
2662: }
2663:
2664: #ifdef USE_MOUSE
2665: /*
2666: * Do the appropriate action for the current mouse click in the current mode.
2667: *
2668: * Normal Mode:
2669: * event modi- position visual change action
2670: * fier cursor window
2671: * left press - yes end yes
2672: * left press C yes end yes "^]" (2)
2673: * left press S yes end yes "*" (2)
2674: * left drag - yes start if moved no
2675: * left relse - yes start if moved no
2676: * middle press - yes if not active no put register
2677: * middle press - yes if active no yank and put
2678: * right press - yes start or extend yes
2679: * right press S yes no change yes "#" (2)
2680: * right drag - yes extend no
2681: * right relse - yes extend no
2682: *
2683: * Insert or Replace Mode:
2684: * event modi- position visual change action
2685: * fier cursor window
2686: * left press - yes (cannot be active) yes
2687: * left press C yes (cannot be active) yes "CTRL-O^]" (2)
2688: * left press S yes (cannot be active) yes "CTRL-O*" (2)
2689: * left drag - yes start or extend (1) no CTRL-O (1)
2690: * left relse - yes start or extend (1) no CTRL-O (1)
2691: * middle press - no (cannot be active) no put register
2692: * right press - yes start or extend yes CTRL-O
2693: * right press S yes (cannot be active) yes "CTRL-O#" (2)
2694: *
2695: * (1) only if mouse pointer moved since press
2696: * (2) only if click is in same buffer
2697: *
2698: * Return TRUE if start_arrow() should be called for edit mode.
2699: */
2700: int
2701: do_mouse(c, dir, count, fix_indent)
2702: int c; /* K_LEFTMOUSE, etc */
2703: int dir; /* Direction to 'put' if necessary */
2704: long count;
2705: int fix_indent; /* Do we fix indent for 'put' if necessary? */
2706: {
2707: static int ignore_drag_release = FALSE;
2708: static FPOS orig_cursor;
2709: static int do_always = FALSE; /* ignore 'mouse' setting next time */
2710: static int got_click = FALSE; /* got a click some time back */
2711:
2712: int which_button; /* MOUSE_LEFT, _MIDDLE or _RIGHT */
2713: int is_click; /* If FALSE it's a drag or release event */
2714: int is_drag; /* If TRUE it's a drag event */
2715: int jump_flags = 0; /* flags for jump_to_mouse() */
2716: FPOS start_visual;
2717: FPOS end_visual;
2718: BUF *save_buffer;
2719: int diff;
2720: int moved; /* Has cursor moved? */
2721: int c1, c2;
2722: int VIsual_was_active = VIsual_active;
2723:
2724: /*
2725: * When GUI is active, always recognize mouse events, otherwise:
2726: * - Ignore mouse event in normal mode if 'mouse' doesn't include 'n'.
2727: * - Ignore mouse event in visual mode if 'mouse' doesn't include 'v'.
2728: * - For command line and insert mode 'mouse' is checked before calling
2729: * do_mouse().
2730: */
2731: if (do_always)
2732: do_always = FALSE;
2733: else
2734: #ifdef USE_GUI
2735: if (!gui.in_use)
2736: #endif
2737: {
2738: if (VIsual_active)
2739: {
2740: if (!mouse_has(MOUSE_VISUAL))
2741: return FALSE;
2742: }
2743: else if (State == NORMAL && !mouse_has(MOUSE_NORMAL))
2744: return FALSE;
2745: }
2746:
2747: which_button = get_mouse_button(KEY2TERMCAP1(c), &is_click, &is_drag);
2748:
2749: /*
2750: * Ignore drag and release events if we didn't get a click.
2751: */
2752: if (is_click)
2753: got_click = TRUE;
2754: else
2755: {
2756: if (!got_click) /* didn't get click, ignore */
2757: return FALSE;
2758: if (!is_drag) /* release, reset got_click */
2759: got_click = FALSE;
2760: }
2761:
2762: /*
2763: * ALT is currently ignored
2764: */
2765: if ((mod_mask & MOD_MASK_ALT))
2766: return FALSE;
2767:
2768: /*
2769: * CTRL right mouse button does CTRL-T
2770: */
2771: if (is_click && (mod_mask & MOD_MASK_CTRL) && which_button == MOUSE_RIGHT)
2772: {
2773: if (State & INSERT)
2774: stuffcharReadbuff(Ctrl('O'));
2775: stuffcharReadbuff(Ctrl('T'));
2776: got_click = FALSE; /* ignore drag&release now */
2777: return FALSE;
2778: }
2779:
2780: /*
2781: * CTRL only works with left mouse button
2782: */
2783: if ((mod_mask & MOD_MASK_CTRL) && which_button != MOUSE_LEFT)
2784: return FALSE;
2785:
2786: /*
2787: * When a modifier is down, ignore drag and release events, as well as
2788: * multiple clicks and the middle mouse button.
2789: */
2790: if ((mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL | MOD_MASK_ALT)) &&
2791: (!is_click || (mod_mask & MOD_MASK_MULTI_CLICK) ||
2792: which_button == MOUSE_MIDDLE))
2793: return FALSE;
2794:
2795: /*
2796: * If the button press was used as the movement command for an operator
2797: * (eg "d<MOUSE>"), or it is the middle button that is held down, ignore
2798: * drag/release events.
2799: */
2800: if (!is_click && (ignore_drag_release || which_button == MOUSE_MIDDLE))
2801: return FALSE;
2802:
2803: /*
2804: * Middle mouse button does a 'put' of the selected text
2805: */
2806: if (which_button == MOUSE_MIDDLE)
2807: {
2808: if (State == NORMAL)
2809: {
2810: /*
2811: * If an operator was pending, we don't know what the user wanted
2812: * to do. Go back to normal mode: Clear the operator and beep().
2813: */
2814: if (op_type != NOP)
2815: {
2816: clearopbeep();
2817: return FALSE;
2818: }
2819:
2820: /*
2821: * If visual was active, yank the highlighted text and put it
2822: * before the mouse pointer position.
2823: */
2824: if (VIsual_active)
2825: {
2826: stuffcharReadbuff('y');
2827: stuffcharReadbuff(K_MIDDLEMOUSE);
2828: do_always = TRUE; /* ignore 'mouse' setting next time */
2829: return FALSE;
2830: }
2831: /*
2832: * The rest is below jump_to_mouse()
2833: */
2834: }
2835:
2836: /*
2837: * Middle click in insert mode doesn't move the mouse, just insert the
2838: * contents of a register. '.' register is special, can't insert that
2839: * with do_put().
2840: */
2841: else if (State & INSERT)
2842: {
2843: if (yankbuffer == '.')
2844: insertbuf(yankbuffer);
2845: else
2846: {
2847: #ifdef USE_GUI
2848: if (gui.in_use && yankbuffer == 0)
2849: yankbuffer = '*';
2850: #endif
2851: do_put(BACKWARD, 1L, fix_indent);
2852:
2853: /* Put cursor after the end of the just pasted text. */
2854: curwin->w_cursor = curbuf->b_op_end;
2855: if (gchar_cursor() != NUL)
2856: ++curwin->w_cursor.col;
2857:
2858: /* Repeat it with CTRL-R x, not exactly the same, but mostly
2859: * works fine. */
2860: AppendCharToRedobuff(Ctrl('R'));
2861: if (yankbuffer == 0)
2862: AppendCharToRedobuff('"');
2863: else
2864: AppendCharToRedobuff(yankbuffer);
2865: }
2866: return FALSE;
2867: }
2868: else
2869: return FALSE;
2870: }
2871:
2872: if (!is_click)
2873: jump_flags |= MOUSE_FOCUS;
2874:
2875: start_visual.lnum = 0;
2876:
2877: if ((State & (NORMAL | INSERT)) &&
2878: !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)))
2879: {
2880: if (which_button == MOUSE_LEFT)
2881: {
2882: if (is_click)
2883: {
2884: if (VIsual_active)
2885: {
2886: end_visual_mode();
2887: update_curbuf(NOT_VALID);
2888: }
2889: }
2890: else
2891: jump_flags |= MOUSE_MAY_VIS;
2892: }
2893: else if (which_button == MOUSE_RIGHT)
2894: {
2895: if (is_click && VIsual_active)
2896: {
2897: /*
2898: * Remember the start and end of visual before moving the
2899: * cursor.
2900: */
2901: if (lt(curwin->w_cursor, VIsual))
2902: {
2903: start_visual = curwin->w_cursor;
2904: end_visual = VIsual;
2905: }
2906: else
2907: {
2908: start_visual = VIsual;
2909: end_visual = curwin->w_cursor;
2910: }
2911: }
2912: jump_flags |= MOUSE_MAY_VIS;
2913: }
2914: }
2915:
2916: if (!is_drag)
2917: {
2918: /*
2919: * If an operator is pending, ignore all drags and releases until the
2920: * next mouse click.
2921: */
2922: ignore_drag_release = (op_type != NOP);
2923: }
2924:
2925: /*
2926: * Jump!
2927: */
2928: if (!is_click)
2929: jump_flags |= MOUSE_DID_MOVE;
2930: save_buffer = curbuf;
2931: moved = (jump_to_mouse(jump_flags) & CURSOR_MOVED);
2932:
2933: /* When jumping to another buffer, stop visual mode */
2934: if (curbuf != save_buffer && VIsual_active)
2935: {
2936: end_visual_mode();
2937: update_curbuf(NOT_VALID); /* delete the inversion */
2938: }
2939: else if (start_visual.lnum) /* right click in visual mode */
2940: {
2941: /*
2942: * If the click is before the start of visual, change the start. If
2943: * the click is after the end of visual, change the end. If the click
2944: * is inside the visual, change the closest side.
2945: */
2946: if (lt(curwin->w_cursor, start_visual))
2947: VIsual = end_visual;
2948: else if (lt(end_visual, curwin->w_cursor))
2949: VIsual = start_visual;
2950: else
2951: {
2952: /* In the same line, compare column number */
2953: if (end_visual.lnum == start_visual.lnum)
2954: {
2955: if (curwin->w_cursor.col - start_visual.col >
2956: end_visual.col - curwin->w_cursor.col)
2957: VIsual = start_visual;
2958: else
2959: VIsual = end_visual;
2960: }
2961:
2962: /* In different lines, compare line number */
2963: else
2964: {
2965: diff = (curwin->w_cursor.lnum - start_visual.lnum) -
2966: (end_visual.lnum - curwin->w_cursor.lnum);
2967:
2968: if (diff > 0) /* closest to end */
2969: VIsual = start_visual;
2970: else if (diff < 0) /* closest to start */
2971: VIsual = end_visual;
2972: else /* in the middle line */
2973: {
2974: if (curwin->w_cursor.col <
2975: (start_visual.col + end_visual.col) / 2)
2976: VIsual = end_visual;
2977: else
2978: VIsual = start_visual;
2979: }
2980: }
2981: }
2982: }
2983: /*
2984: * If Visual mode started in insert mode, execute "CTRL-O"
2985: */
2986: else if ((State & INSERT) && VIsual_active)
2987: stuffcharReadbuff(Ctrl('O'));
2988: /*
2989: * If cursor has moved, need to update Cline_row
2990: */
2991: else if (moved)
2992: cursupdate();
2993:
2994: /*
2995: * Middle mouse click: Put text before cursor.
2996: */
2997: if (which_button == MOUSE_MIDDLE)
2998: {
2999: #ifdef USE_GUI
3000: if (gui.in_use && yankbuffer == 0)
3001: yankbuffer = '*';
3002: #endif
3003: if (yank_buffer_mline())
3004: {
3005: if (mouse_past_bottom)
3006: dir = FORWARD;
3007: }
3008: else if (mouse_past_eol)
3009: dir = FORWARD;
3010:
3011: if (fix_indent)
3012: {
3013: c1 = (dir == BACKWARD) ? '[' : ']';
3014: c2 = 'p';
3015: }
3016: else
3017: {
3018: c1 = (dir == FORWARD) ? 'p' : 'P';
3019: c2 = NUL;
3020: }
3021: prep_redo(Prenum, NUL, c1, c2, NUL);
3022: /*
3023: * Remember where the paste started, so in edit() Insstart can be set
3024: * to this position
3025: */
3026: if (restart_edit)
3027: where_paste_started = curwin->w_cursor;
3028: do_put(dir, count, fix_indent);
3029:
3030: /* Put cursor at the end of the just pasted text. */
3031: curwin->w_cursor = curbuf->b_op_end;
3032: if (restart_edit && gchar_cursor() != NUL)
3033: ++curwin->w_cursor.col; /* put cursor after the text */
3034: }
3035:
3036: /*
3037: * Ctrl-Mouse click jumps to the tag under the mouse pointer
3038: */
3039: else if ((mod_mask & MOD_MASK_CTRL))
3040: {
3041: if (State & INSERT)
3042: stuffcharReadbuff(Ctrl('O'));
3043: stuffcharReadbuff(Ctrl(']'));
3044: ignore_drag_release = TRUE; /* ignore drag and release now */
3045: }
3046:
3047: /*
3048: * Shift-Mouse click searches for the next occurrence of the word under
3049: * the mouse pointer
3050: */
3051: else if ((mod_mask & MOD_MASK_SHIFT))
3052: {
3053: if (State & INSERT)
3054: stuffcharReadbuff(Ctrl('O'));
3055: if (which_button == MOUSE_LEFT)
3056: stuffcharReadbuff('*');
3057: else /* MOUSE_RIGHT */
3058: stuffcharReadbuff('#');
3059: }
3060:
3061: /* Handle double clicks */
3062: else if ((mod_mask & MOD_MASK_MULTI_CLICK) && (State & (NORMAL | INSERT)))
3063: {
3064: if (is_click || !VIsual_active)
3065: {
3066: if (VIsual_active)
3067: orig_cursor = VIsual;
3068: else
3069: {
3070: start_visual_highlight();
3071: VIsual = curwin->w_cursor;
3072: orig_cursor = VIsual;
3073: VIsual_active = TRUE;
3074: #ifdef USE_MOUSE
3075: setmouse();
3076: #endif
3077: if (p_smd)
3078: redraw_cmdline = TRUE; /* show visual mode later */
3079: }
3080: if (mod_mask & MOD_MASK_2CLICK)
3081: VIsual_mode = 'v';
3082: else if (mod_mask & MOD_MASK_3CLICK)
3083: VIsual_mode = 'V';
3084: else if (mod_mask & MOD_MASK_4CLICK)
3085: VIsual_mode = Ctrl('V');
3086: }
3087: if (mod_mask & MOD_MASK_2CLICK)
3088: {
3089: if (lt(curwin->w_cursor, orig_cursor))
3090: {
3091: find_start_of_word(&curwin->w_cursor);
3092: find_end_of_word(&VIsual);
3093: }
3094: else
3095: {
3096: find_start_of_word(&VIsual);
3097: find_end_of_word(&curwin->w_cursor);
3098: }
3099: curwin->w_set_curswant = TRUE;
3100: }
3101: if (is_click)
3102: {
3103: curs_columns(TRUE); /* recompute w_virtcol */
3104: update_curbuf(NOT_VALID); /* update the inversion */
3105: }
3106: }
3107: else if (VIsual_active && VIsual_was_active != VIsual_active)
3108: VIsual_mode = 'v';
3109:
3110: return moved;
3111: }
3112:
3113: static void
3114: find_start_of_word(pos)
3115: FPOS *pos;
3116: {
3117: char_u *ptr;
3118: int cclass;
3119:
3120: ptr = ml_get(pos->lnum);
3121: cclass = get_mouse_class(ptr[pos->col]);
3122:
3123: /* Can't test pos->col >= 0 because pos->col is unsigned */
3124: while (pos->col > 0 && get_mouse_class(ptr[pos->col]) == cclass)
3125: pos->col--;
3126: if (pos->col != 0 || get_mouse_class(ptr[0]) != cclass)
3127: pos->col++;
3128: }
3129:
3130: static void
3131: find_end_of_word(pos)
3132: FPOS *pos;
3133: {
3134: char_u *ptr;
3135: int cclass;
3136:
3137: ptr = ml_get(pos->lnum);
3138: cclass = get_mouse_class(ptr[pos->col]);
3139: while (ptr[pos->col] && get_mouse_class(ptr[pos->col]) == cclass)
3140: pos->col++;
3141: pos->col--;
3142: }
3143:
3144: static int
3145: get_mouse_class(c)
3146: int c;
3147: {
3148: if (c == ' ' || c == '\t')
3149: return ' ';
3150:
3151: if (isidchar(c))
3152: return 'a';
3153:
3154: /*
3155: * There are a few special cases where we want certain combinations of
3156: * characters to be considered as a single word. These are things like
3157: * "->", "/ *", "*=", "+=", "&=", "<=", ">=", "!=" etc. Otherwise, each
3158: * character is in it's own class.
3159: */
3160: if (c != NUL && vim_strchr((char_u *)"-+*/%<>&|^!=", c) != NULL)
3161: return '=';
3162: return c;
3163: }
3164: #endif /* USE_MOUSE */
3165:
3166: /*
3167: * start highlighting for visual mode
3168: */
3169: void
3170: start_visual_highlight()
3171: {
3172: static int didwarn = FALSE; /* warned for broken inversion */
3173:
3174: if (!didwarn && set_highlight('v') == FAIL)/* cannot highlight */
3175: {
3176: EMSG("Warning: terminal cannot highlight");
3177: didwarn = TRUE;
3178: }
3179: }
3180:
3181: /*
3182: * End visual mode. If we are using the GUI, and autoselect is set, then
3183: * remember what was selected in case we need to paste it somewhere while we
3184: * still own the selection. This function should ALWAYS be called to end
3185: * visual mode.
3186: */
3187: void
3188: end_visual_mode()
3189: {
3190: #ifdef USE_GUI
3191: if (gui.in_use)
3192: gui_auto_select();
3193: #endif
3194: VIsual_active = FALSE;
3195: #ifdef USE_MOUSE
3196: setmouse();
3197: #endif
3198: VIsual_end = curwin->w_cursor; /* remember for '> mark */
3199: if (p_smd)
3200: clear_cmdline = TRUE; /* unshow visual mode later */
3201: }
3202:
3203: /*
3204: * Find the identifier under or to the right of the cursor. If none is
3205: * found and find_type has FIND_STRING, then find any non-white string. The
3206: * length of the string is returned, or zero if no string is found. If a
3207: * string is found, a pointer to the string is put in *string, but note that
3208: * the caller must use the length returned as this string may not be NUL
3209: * terminated.
3210: */
3211: int
3212: find_ident_under_cursor(string, find_type)
3213: char_u **string;
3214: int find_type;
3215: {
3216: char_u *ptr;
3217: int col = 0; /* init to shut up GCC */
3218: int i;
3219:
3220: /*
3221: * if i == 0: try to find an identifier
3222: * if i == 1: try to find any string
3223: */
3224: ptr = ml_get_curline();
3225: for (i = (find_type & FIND_IDENT) ? 0 : 1; i < 2; ++i)
3226: {
3227: /*
3228: * skip to start of identifier/string
3229: */
3230: col = curwin->w_cursor.col;
3231: while (ptr[col] != NUL &&
3232: (i == 0 ? !iswordchar(ptr[col]) : vim_iswhite(ptr[col])))
3233: ++col;
3234:
3235: /*
3236: * Back up to start of identifier/string. This doesn't match the
3237: * real vi but I like it a little better and it shouldn't bother
3238: * anyone.
3239: * When FIND_IDENT isn't defined, we backup until a blank.
3240: */
3241: while (col > 0 && (i == 0 ? iswordchar(ptr[col - 1]) :
3242: (!vim_iswhite(ptr[col - 1]) &&
3243: (!(find_type & FIND_IDENT) || !iswordchar(ptr[col - 1])))))
3244: --col;
3245:
3246: /*
3247: * if we don't want just any old string, or we've found an identifier,
3248: * stop searching.
3249: */
3250: if (!(find_type & FIND_STRING) || iswordchar(ptr[col]))
3251: break;
3252: }
3253: /*
3254: * didn't find an identifier or string
3255: */
3256: if (ptr[col] == NUL || (!iswordchar(ptr[col]) && i == 0))
3257: {
3258: if (find_type & FIND_STRING)
3259: EMSG("No string under cursor");
3260: else
3261: EMSG("No identifier under cursor");
3262: return 0;
3263: }
3264: ptr += col;
3265: *string = ptr;
3266: col = 0;
3267: while (i == 0 ? iswordchar(*ptr) : (*ptr != NUL && !vim_iswhite(*ptr)))
3268: {
3269: ++ptr;
3270: ++col;
3271: }
3272: return col;
3273: }
3274:
3275: static void
3276: prep_redo(num, pre_char, cmd, c, nchar)
3277: long num;
3278: int pre_char;
3279: int cmd;
3280: int c;
3281: int nchar;
3282: {
3283: ResetRedobuff();
3284: if (yankbuffer != 0) /* yank from specified buffer */
3285: {
3286: AppendCharToRedobuff('\"');
3287: AppendCharToRedobuff(yankbuffer);
3288: }
3289: if (num)
3290: AppendNumberToRedobuff(num);
3291: if (pre_char != NUL)
3292: AppendCharToRedobuff(pre_char);
3293: AppendCharToRedobuff(cmd);
3294: if (c != NUL)
3295: AppendCharToRedobuff(c);
3296: if (nchar != NUL)
3297: AppendCharToRedobuff(nchar);
3298: }
3299:
3300: /*
3301: * check for operator active and clear it
3302: *
3303: * return TRUE if operator was active
3304: */
3305: static int
3306: checkclearop()
3307: {
3308: if (op_type == NOP)
3309: return (FALSE);
3310: clearopbeep();
3311: return (TRUE);
3312: }
3313:
3314: /*
3315: * check for operator or Visual active and clear it
3316: *
3317: * return TRUE if operator was active
3318: */
3319: static int
3320: checkclearopq()
3321: {
3322: if (op_type == NOP && !VIsual_active)
3323: return (FALSE);
3324: clearopbeep();
3325: return (TRUE);
3326: }
3327:
3328: static void
3329: clearop()
3330: {
3331: op_type = NOP;
3332: yankbuffer = 0;
3333: prechar = NUL;
3334: }
3335:
3336: static void
3337: clearopbeep()
3338: {
3339: clearop();
3340: beep_flush();
3341: }
3342:
3343: /*
3344: * Routines for displaying a partly typed command
3345: */
3346:
3347: static char_u showcmd_buf[SHOWCMD_COLS + 1];
3348: static char_u old_showcmd_buf[SHOWCMD_COLS + 1]; /* For push_showcmd() */
3349: static int is_showcmd_clear = TRUE;
3350:
3351: static void display_showcmd __ARGS((void));
3352:
3353: void
3354: clear_showcmd()
3355: {
3356: if (!p_sc)
3357: return;
3358:
3359: showcmd_buf[0] = NUL;
3360:
3361: /*
3362: * Don't actually display something if there is nothing to clear.
3363: */
3364: if (is_showcmd_clear)
3365: return;
3366:
3367: display_showcmd();
3368: }
3369:
3370: /*
3371: * Add 'c' to string of shown command chars.
3372: * Return TRUE if setcursor() has been called.
3373: */
3374: int
3375: add_to_showcmd(c, display_always)
3376: int c;
3377: int display_always;
3378: {
3379: char_u *p;
3380: int old_len;
3381: int extra_len;
3382: int overflow;
3383:
3384: if (!p_sc)
3385: return FALSE;
3386:
3387: p = transchar(c);
3388: old_len = STRLEN(showcmd_buf);
3389: extra_len = STRLEN(p);
3390: overflow = old_len + extra_len - SHOWCMD_COLS;
3391: if (overflow > 0)
3392: STRCPY(showcmd_buf, showcmd_buf + overflow);
3393: STRCAT(showcmd_buf, p);
3394:
3395: if (!display_always && char_avail())
3396: return FALSE;
3397:
3398: display_showcmd();
3399:
3400: return TRUE;
3401: }
3402:
3403: /*
3404: * Delete 'len' characters from the end of the shown command.
3405: */
3406: static void
3407: del_from_showcmd(len)
3408: int len;
3409: {
3410: int old_len;
3411:
3412: if (!p_sc)
3413: return;
3414:
3415: old_len = STRLEN(showcmd_buf);
3416: if (len > old_len)
3417: len = old_len;
3418: showcmd_buf[old_len - len] = NUL;
3419:
3420: if (!char_avail())
3421: display_showcmd();
3422: }
3423:
3424: void
3425: push_showcmd()
3426: {
3427: if (p_sc)
3428: STRCPY(old_showcmd_buf, showcmd_buf);
3429: }
3430:
3431: void
3432: pop_showcmd()
3433: {
3434: if (!p_sc)
3435: return;
3436:
3437: STRCPY(showcmd_buf, old_showcmd_buf);
3438:
3439: display_showcmd();
3440: }
3441:
3442: static void
3443: display_showcmd()
3444: {
3445: int len;
3446:
3447: cursor_off();
3448:
3449: len = STRLEN(showcmd_buf);
3450: if (len == 0)
3451: is_showcmd_clear = TRUE;
3452: else
3453: {
3454: screen_msg(showcmd_buf, (int)Rows - 1, sc_col);
3455: is_showcmd_clear = FALSE;
3456: }
3457:
3458: /*
3459: * clear the rest of an old message by outputing up to SHOWCMD_COLS spaces
3460: */
3461: screen_msg((char_u *)" " + len, (int)Rows - 1, sc_col + len);
3462:
3463: setcursor(); /* put cursor back where it belongs */
3464: }
3465:
3466: /*
3467: * Implementation of "gd" and "gD" command.
3468: */
3469: static void
3470: do_gd(nchar)
3471: int nchar;
3472: {
3473: int len;
3474: char_u *pat;
3475: FPOS old_pos;
3476: int t;
3477: int save_p_ws;
3478: int save_p_scs;
3479: char_u *ptr;
3480:
3481: if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0 ||
3482: (pat = alloc(len + 5)) == NULL)
3483: {
3484: clearopbeep();
3485: return;
3486: }
3487: sprintf((char *)pat, iswordchar(*ptr) ? "\\<%.*s\\>" :
3488: "%.*s", len, ptr);
3489: old_pos = curwin->w_cursor;
3490: save_p_ws = p_ws;
3491: save_p_scs = p_scs;
3492: p_ws = FALSE; /* don't wrap around end of file now */
3493: p_scs = FALSE; /* don't switch ignorecase off now */
3494: fo_do_comments = TRUE;
3495:
3496: /*
3497: * Search back for the end of the previous function.
3498: * If this fails, and with "gD", go to line 1.
3499: * Search forward for the identifier, ignore comment lines.
3500: */
3501: if (nchar == 'D' || !findpar(BACKWARD, 1L, '}', FALSE))
3502: {
3503: setpcmark(); /* Set in findpar() otherwise */
3504: curwin->w_cursor.lnum = 1;
3505: }
3506:
3507: while ((t = searchit(&curwin->w_cursor, FORWARD, pat, 1L, 0, RE_LAST))
3508: == OK &&
3509: get_leader_len(ml_get_curline(), NULL) &&
3510: old_pos.lnum > curwin->w_cursor.lnum)
3511: ++curwin->w_cursor.lnum;
3512: if (t == FAIL || old_pos.lnum <= curwin->w_cursor.lnum)
3513: {
3514: clearopbeep();
3515: curwin->w_cursor = old_pos;
3516: }
3517: else
3518: curwin->w_set_curswant = TRUE;
3519:
3520: vim_free(pat);
3521: p_ws = save_p_ws;
3522: p_scs = save_p_scs;
3523: fo_do_comments = FALSE;
3524: }