Annotation of src/usr.bin/tmux/window-copy.c, Revision 1.1
1.1 ! nicm 1: /* $OpenBSD$ */
! 2:
! 3: /*
! 4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
! 5: *
! 6: * Permission to use, copy, modify, and distribute this software for any
! 7: * purpose with or without fee is hereby granted, provided that the above
! 8: * copyright notice and this permission notice appear in all copies.
! 9: *
! 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
! 15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
! 16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 17: */
! 18:
! 19: #include <sys/types.h>
! 20:
! 21: #include <string.h>
! 22:
! 23: #include "tmux.h"
! 24:
! 25: struct screen *window_copy_init(struct window_pane *);
! 26: void window_copy_free(struct window_pane *);
! 27: void window_copy_resize(struct window_pane *, u_int, u_int);
! 28: void window_copy_key(struct window_pane *, struct client *, int);
! 29: void window_copy_mouse(
! 30: struct window_pane *, struct client *, u_char, u_char, u_char);
! 31:
! 32: void window_copy_redraw_lines(struct window_pane *, u_int, u_int);
! 33: void window_copy_redraw_screen(struct window_pane *);
! 34: void window_copy_write_line(
! 35: struct window_pane *, struct screen_write_ctx *, u_int);
! 36: void window_copy_write_lines(
! 37: struct window_pane *, struct screen_write_ctx *, u_int, u_int);
! 38: void window_copy_write_column(
! 39: struct window_pane *, struct screen_write_ctx *, u_int);
! 40: void window_copy_write_columns(
! 41: struct window_pane *, struct screen_write_ctx *, u_int, u_int);
! 42:
! 43: void window_copy_update_cursor(struct window_pane *);
! 44: void window_copy_start_selection(struct window_pane *);
! 45: int window_copy_update_selection(struct window_pane *);
! 46: void window_copy_copy_selection(struct window_pane *, struct client *);
! 47: void window_copy_copy_line(
! 48: struct window_pane *, char **, size_t *, u_int, u_int, u_int);
! 49: int window_copy_is_space(struct window_pane *, u_int, u_int);
! 50: u_int window_copy_find_length(struct window_pane *, u_int);
! 51: void window_copy_cursor_start_of_line(struct window_pane *);
! 52: void window_copy_cursor_end_of_line(struct window_pane *);
! 53: void window_copy_cursor_left(struct window_pane *);
! 54: void window_copy_cursor_right(struct window_pane *);
! 55: void window_copy_cursor_up(struct window_pane *);
! 56: void window_copy_cursor_down(struct window_pane *);
! 57: void window_copy_cursor_next_word(struct window_pane *);
! 58: void window_copy_cursor_previous_word(struct window_pane *);
! 59: void window_copy_scroll_left(struct window_pane *, u_int);
! 60: void window_copy_scroll_right(struct window_pane *, u_int);
! 61: void window_copy_scroll_up(struct window_pane *, u_int);
! 62: void window_copy_scroll_down(struct window_pane *, u_int);
! 63:
! 64: const struct window_mode window_copy_mode = {
! 65: window_copy_init,
! 66: window_copy_free,
! 67: window_copy_resize,
! 68: window_copy_key,
! 69: window_copy_mouse,
! 70: NULL,
! 71: };
! 72:
! 73: struct window_copy_mode_data {
! 74: struct screen screen;
! 75:
! 76: struct mode_key_data mdata;
! 77:
! 78: u_int ox;
! 79: u_int oy;
! 80:
! 81: u_int selx;
! 82: u_int sely;
! 83:
! 84: u_int cx;
! 85: u_int cy;
! 86: };
! 87:
! 88: struct screen *
! 89: window_copy_init(struct window_pane *wp)
! 90: {
! 91: struct window_copy_mode_data *data;
! 92: struct screen *s;
! 93: struct screen_write_ctx ctx;
! 94: u_int i;
! 95:
! 96: wp->modedata = data = xmalloc(sizeof *data);
! 97: data->ox = 0;
! 98: data->oy = 0;
! 99: data->cx = wp->base.cx;
! 100: data->cy = wp->base.cy;
! 101:
! 102: s = &data->screen;
! 103: screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0);
! 104: s->mode |= MODE_MOUSE;
! 105:
! 106: mode_key_init(&data->mdata,
! 107: options_get_number(&wp->window->options, "mode-keys"), 0);
! 108:
! 109: s->cx = data->cx;
! 110: s->cy = data->cy;
! 111:
! 112: screen_write_start(&ctx, NULL, s);
! 113: for (i = 0; i < screen_size_y(s); i++)
! 114: window_copy_write_line(wp, &ctx, i);
! 115: screen_write_cursormove(&ctx, data->cx, data->cy);
! 116: screen_write_stop(&ctx);
! 117:
! 118: return (s);
! 119: }
! 120:
! 121: void
! 122: window_copy_free(struct window_pane *wp)
! 123: {
! 124: struct window_copy_mode_data *data = wp->modedata;
! 125:
! 126: mode_key_free(&data->mdata);
! 127:
! 128: screen_free(&data->screen);
! 129: xfree(data);
! 130: }
! 131:
! 132: void
! 133: window_copy_pageup(struct window_pane *wp)
! 134: {
! 135: struct window_copy_mode_data *data = wp->modedata;
! 136: struct screen *s = &data->screen;
! 137:
! 138: if (data->oy + screen_size_y(s) > screen_hsize(&wp->base))
! 139: data->oy = screen_hsize(&wp->base);
! 140: else
! 141: data->oy += screen_size_y(s);
! 142: window_copy_update_selection(wp);
! 143: window_copy_redraw_screen(wp);
! 144: }
! 145:
! 146: void
! 147: window_copy_resize(struct window_pane *wp, u_int sx, u_int sy)
! 148: {
! 149: struct window_copy_mode_data *data = wp->modedata;
! 150: struct screen *s = &data->screen;
! 151: struct screen_write_ctx ctx;
! 152:
! 153: screen_resize(s, sx, sy);
! 154: screen_write_start(&ctx, NULL, s);
! 155: window_copy_write_lines(wp, &ctx, 0, screen_size_y(s) - 1);
! 156: screen_write_stop(&ctx);
! 157: window_copy_update_selection(wp);
! 158: }
! 159:
! 160: void
! 161: window_copy_key(struct window_pane *wp, struct client *c, int key)
! 162: {
! 163: struct window_copy_mode_data *data = wp->modedata;
! 164: struct screen *s = &data->screen;
! 165:
! 166: switch (mode_key_lookup(&data->mdata, key)) {
! 167: case MODEKEYCMD_QUIT:
! 168: window_pane_reset_mode(wp);
! 169: break;
! 170: case MODEKEYCMD_LEFT:
! 171: window_copy_cursor_left(wp);
! 172: return;
! 173: case MODEKEYCMD_RIGHT:
! 174: window_copy_cursor_right(wp);
! 175: return;
! 176: case MODEKEYCMD_UP:
! 177: window_copy_cursor_up(wp);
! 178: return;
! 179: case MODEKEYCMD_DOWN:
! 180: window_copy_cursor_down(wp);
! 181: return;
! 182: case MODEKEYCMD_PREVIOUSPAGE:
! 183: window_copy_pageup(wp);
! 184: break;
! 185: case MODEKEYCMD_NEXTPAGE:
! 186: if (data->oy < screen_size_y(s))
! 187: data->oy = 0;
! 188: else
! 189: data->oy -= screen_size_y(s);
! 190: window_copy_update_selection(wp);
! 191: window_copy_redraw_screen(wp);
! 192: break;
! 193: case MODEKEYCMD_STARTSELECTION:
! 194: window_copy_start_selection(wp);
! 195: break;
! 196: case MODEKEYCMD_CLEARSELECTION:
! 197: screen_clear_selection(&data->screen);
! 198: window_copy_redraw_screen(wp);
! 199: break;
! 200: case MODEKEYCMD_COPYSELECTION:
! 201: if (c != NULL && c->session != NULL) {
! 202: window_copy_copy_selection(wp, c);
! 203: window_pane_reset_mode(wp);
! 204: }
! 205: break;
! 206: case MODEKEYCMD_STARTOFLINE:
! 207: window_copy_cursor_start_of_line(wp);
! 208: break;
! 209: case MODEKEYCMD_ENDOFLINE:
! 210: window_copy_cursor_end_of_line(wp);
! 211: break;
! 212: case MODEKEYCMD_NEXTWORD:
! 213: window_copy_cursor_next_word(wp);
! 214: break;
! 215: case MODEKEYCMD_PREVIOUSWORD:
! 216: window_copy_cursor_previous_word(wp);
! 217: break;
! 218: default:
! 219: break;
! 220: }
! 221: }
! 222:
! 223: void
! 224: window_copy_mouse(struct window_pane *wp,
! 225: unused struct client *c, u_char b, u_char x, u_char y)
! 226: {
! 227: struct window_copy_mode_data *data = wp->modedata;
! 228: struct screen *s = &data->screen;
! 229:
! 230: if ((b & 3) == 3)
! 231: return;
! 232: if (x >= screen_size_x(s))
! 233: return;
! 234: if (y >= screen_size_y(s))
! 235: return;
! 236:
! 237: data->cx = x;
! 238: data->cy = y;
! 239:
! 240: if (window_copy_update_selection(wp))
! 241: window_copy_redraw_screen(wp);
! 242: window_copy_update_cursor(wp);
! 243: }
! 244:
! 245: void
! 246: window_copy_write_line(struct window_pane *wp, struct screen_write_ctx *ctx, u_int py)
! 247: {
! 248: struct window_copy_mode_data *data = wp->modedata;
! 249: struct screen *s = &data->screen;
! 250: struct grid_cell gc;
! 251: char hdr[32];
! 252: size_t size;
! 253:
! 254: if (py == 0) {
! 255: memcpy(&gc, &grid_default_cell, sizeof gc);
! 256: size = xsnprintf(hdr, sizeof hdr,
! 257: "[%u,%u/%u]", data->ox, data->oy, screen_hsize(&wp->base));
! 258: gc.bg = options_get_number(&wp->window->options, "mode-fg");
! 259: gc.fg = options_get_number(&wp->window->options, "mode-bg");
! 260: gc.attr |= options_get_number(&wp->window->options, "mode-attr");
! 261: screen_write_cursormove(ctx, screen_size_x(s) - size, 0);
! 262: screen_write_puts(ctx, &gc, "%s", hdr);
! 263: } else
! 264: size = 0;
! 265:
! 266: screen_write_cursormove(ctx, 0, py);
! 267: screen_write_copy(ctx, &wp->base, data->ox, (screen_hsize(&wp->base) -
! 268: data->oy) + py, screen_size_x(s) - size, 1);
! 269: }
! 270:
! 271: void
! 272: window_copy_write_lines(
! 273: struct window_pane *wp, struct screen_write_ctx *ctx, u_int py, u_int ny)
! 274: {
! 275: u_int yy;
! 276:
! 277: for (yy = py; yy < py + ny; yy++)
! 278: window_copy_write_line(wp, ctx, py);
! 279: }
! 280:
! 281: void
! 282: window_copy_write_column(
! 283: struct window_pane *wp, struct screen_write_ctx *ctx, u_int px)
! 284: {
! 285: struct window_copy_mode_data *data = wp->modedata;
! 286: struct screen *s = &data->screen;
! 287:
! 288: screen_write_cursormove(ctx, px, 0);
! 289: screen_write_copy(ctx, &wp->base,
! 290: data->ox + px, screen_hsize(&wp->base) - data->oy, 1, screen_size_y(s));
! 291: }
! 292:
! 293: void
! 294: window_copy_write_columns(
! 295: struct window_pane *wp, struct screen_write_ctx *ctx, u_int px, u_int nx)
! 296: {
! 297: u_int xx;
! 298:
! 299: for (xx = px; xx < px + nx; xx++)
! 300: window_copy_write_column(wp, ctx, xx);
! 301: }
! 302:
! 303: void
! 304: window_copy_redraw_lines(struct window_pane *wp, u_int py, u_int ny)
! 305: {
! 306: struct window_copy_mode_data *data = wp->modedata;
! 307: struct screen_write_ctx ctx;
! 308: u_int i;
! 309:
! 310: screen_write_start(&ctx, wp, NULL);
! 311: for (i = py; i < py + ny; i++)
! 312: window_copy_write_line(wp, &ctx, i);
! 313: screen_write_cursormove(&ctx, data->cx, data->cy);
! 314: screen_write_stop(&ctx);
! 315: }
! 316:
! 317: void
! 318: window_copy_redraw_screen(struct window_pane *wp)
! 319: {
! 320: struct window_copy_mode_data *data = wp->modedata;
! 321:
! 322: window_copy_redraw_lines(wp, 0, screen_size_y(&data->screen));
! 323: }
! 324:
! 325: void
! 326: window_copy_update_cursor(struct window_pane *wp)
! 327: {
! 328: struct window_copy_mode_data *data = wp->modedata;
! 329: struct screen_write_ctx ctx;
! 330:
! 331: screen_write_start(&ctx, wp, NULL);
! 332: screen_write_cursormove(&ctx, data->cx, data->cy);
! 333: screen_write_stop(&ctx);
! 334: }
! 335:
! 336: void
! 337: window_copy_start_selection(struct window_pane *wp)
! 338: {
! 339: struct window_copy_mode_data *data = wp->modedata;
! 340: struct screen *s = &data->screen;
! 341:
! 342: data->selx = data->cx + data->ox;
! 343: data->sely = screen_hsize(&wp->base) + data->cy - data->oy;
! 344:
! 345: s->sel.flag = 1;
! 346: window_copy_update_selection(wp);
! 347: }
! 348:
! 349: int
! 350: window_copy_update_selection(struct window_pane *wp)
! 351: {
! 352: struct window_copy_mode_data *data = wp->modedata;
! 353: struct screen *s = &data->screen;
! 354: struct grid_cell gc;
! 355: u_int sx, sy, tx, ty;
! 356:
! 357: if (!s->sel.flag)
! 358: return (0);
! 359:
! 360: /* Set colours. */
! 361: memcpy(&gc, &grid_default_cell, sizeof gc);
! 362: gc.bg = options_get_number(&wp->window->options, "mode-fg");
! 363: gc.fg = options_get_number(&wp->window->options, "mode-bg");
! 364: gc.attr |= options_get_number(&wp->window->options, "mode-attr");
! 365:
! 366: /* Find top-left of screen. */
! 367: tx = data->ox;
! 368: ty = screen_hsize(&wp->base) - data->oy;
! 369:
! 370: /* Adjust the selection. */
! 371: sx = data->selx;
! 372: sy = data->sely;
! 373: if (sy < ty) {
! 374: /* Above it. */
! 375: sx = 0;
! 376: sy = 0;
! 377: } else if (sy > ty + screen_size_y(s) - 1) {
! 378: /* Below it. */
! 379: sx = screen_size_x(s) - 1;
! 380: sy = screen_size_y(s) - 1;
! 381: } else if (sx < tx) {
! 382: /* To the left. */
! 383: sx = 0;
! 384: } else if (sx > tx + screen_size_x(s) - 1) {
! 385: /* To the right. */
! 386: sx = 0;
! 387: sy++;
! 388: if (sy > screen_size_y(s) - 1)
! 389: sy = screen_size_y(s) - 1;
! 390: } else {
! 391: sx -= tx;
! 392: sy -= ty;
! 393: }
! 394: sy = screen_hsize(s) + sy;
! 395:
! 396: screen_set_selection(
! 397: s, sx, sy, data->cx, screen_hsize(s) + data->cy, &gc);
! 398: return (1);
! 399: }
! 400:
! 401: void
! 402: window_copy_copy_selection(struct window_pane *wp, struct client *c)
! 403: {
! 404: struct window_copy_mode_data *data = wp->modedata;
! 405: struct screen *s = &data->screen;
! 406: char *buf;
! 407: size_t off;
! 408: u_int i, xx, yy, sx, sy, ex, ey, limit;
! 409:
! 410: if (!s->sel.flag)
! 411: return;
! 412:
! 413: buf = xmalloc(1);
! 414: off = 0;
! 415:
! 416: *buf = '\0';
! 417:
! 418: /*
! 419: * The selection extends from selx,sely to (adjusted) cx,cy on
! 420: * the base screen.
! 421: */
! 422:
! 423: /* Find start and end. */
! 424: xx = data->cx + data->ox;
! 425: yy = screen_hsize(&wp->base) + data->cy - data->oy;
! 426: if (xx < data->selx || (yy == data->sely && xx < data->selx)) {
! 427: sx = xx; sy = yy;
! 428: ex = data->selx; ey = data->sely;
! 429: } else {
! 430: sx = data->selx; sy = data->sely;
! 431: ex = xx; ey = yy;
! 432: }
! 433:
! 434: /* Trim ex to end of line. */
! 435: xx = window_copy_find_length(wp, ey);
! 436: if (ex > xx)
! 437: ex = xx;
! 438:
! 439: /* Copy the lines. */
! 440: if (sy == ey)
! 441: window_copy_copy_line(wp, &buf, &off, sy, sx, ex);
! 442: else {
! 443: xx = window_copy_find_length(wp, sy);
! 444: window_copy_copy_line(wp, &buf, &off, sy, sx, xx);
! 445: if (ey - sy > 1) {
! 446: for (i = sy + 1; i < ey - 1; i++) {
! 447: xx = window_copy_find_length(wp, i);
! 448: window_copy_copy_line(wp, &buf, &off, i, 0, xx);
! 449: }
! 450: }
! 451: window_copy_copy_line(wp, &buf, &off, ey, 0, ex);
! 452: }
! 453:
! 454: /* Terminate buffer, overwriting final \n. */
! 455: if (off != 0)
! 456: buf[off - 1] = '\0';
! 457:
! 458: /* Add the buffer to the stack. */
! 459: limit = options_get_number(&c->session->options, "buffer-limit");
! 460: paste_add(&c->session->buffers, buf, limit);
! 461: }
! 462:
! 463: void
! 464: window_copy_copy_line(struct window_pane *wp,
! 465: char **buf, size_t *off, u_int sy, u_int sx, u_int ex)
! 466: {
! 467: const struct grid_cell *gc;
! 468: const struct grid_utf8 *gu;
! 469: u_int i, j, xx;
! 470:
! 471: if (sx > ex)
! 472: return;
! 473:
! 474: xx = window_copy_find_length(wp, sy);
! 475: if (ex > xx)
! 476: ex = xx;
! 477: if (sx > xx)
! 478: sx = xx;
! 479:
! 480: if (sx < ex) {
! 481: for (i = sx; i < ex; i++) {
! 482: gc = grid_peek_cell(wp->base.grid, i, sy);
! 483: if (gc->flags & GRID_FLAG_PADDING)
! 484: continue;
! 485: if (!(gc->flags & GRID_FLAG_UTF8)) {
! 486: *buf = xrealloc(*buf, 1, (*off) + 1);
! 487: (*buf)[(*off)++] = gc->data;
! 488: } else {
! 489: gu = grid_peek_utf8(wp->base.grid, i, sy);
! 490: *buf = xrealloc(*buf, 1, (*off) + UTF8_SIZE);
! 491: for (j = 0; j < UTF8_SIZE; j++) {
! 492: if (gu->data[j] == 0xff)
! 493: break;
! 494: (*buf)[(*off)++] = gu->data[j];
! 495: }
! 496: }
! 497: }
! 498: }
! 499:
! 500: *buf = xrealloc(*buf, 1, (*off) + 1);
! 501: (*buf)[*off] = '\n';
! 502: (*off)++;
! 503: }
! 504:
! 505: int
! 506: window_copy_is_space(struct window_pane *wp, u_int px, u_int py)
! 507: {
! 508: const struct grid_cell *gc;
! 509: const char *spaces = " -_@";
! 510:
! 511: gc = grid_peek_cell(wp->base.grid, px, py);
! 512: if (gc->flags & (GRID_FLAG_PADDING|GRID_FLAG_UTF8))
! 513: return (0);
! 514: if (gc->data == 0x00 || gc->data == 0x7f)
! 515: return (0);
! 516: return (strchr(spaces, gc->data) != NULL);
! 517: }
! 518:
! 519: u_int
! 520: window_copy_find_length(struct window_pane *wp, u_int py)
! 521: {
! 522: const struct grid_cell *gc;
! 523: u_int px;
! 524:
! 525: px = wp->base.grid->size[py];
! 526: while (px > 0) {
! 527: gc = grid_peek_cell(wp->base.grid, px - 1, py);
! 528: if (gc->flags & GRID_FLAG_UTF8)
! 529: break;
! 530: if (gc->data != ' ')
! 531: break;
! 532: px--;
! 533: }
! 534: return (px);
! 535: }
! 536:
! 537: void
! 538: window_copy_cursor_start_of_line(struct window_pane *wp)
! 539: {
! 540: struct window_copy_mode_data *data = wp->modedata;
! 541:
! 542: if (data->ox != 0)
! 543: window_copy_scroll_right(wp, data->ox);
! 544: data->cx = 0;
! 545:
! 546: if (window_copy_update_selection(wp))
! 547: window_copy_redraw_lines(wp, data->cy, 1);
! 548: else
! 549: window_copy_update_cursor(wp);
! 550: }
! 551:
! 552: void
! 553: window_copy_cursor_end_of_line(struct window_pane *wp)
! 554: {
! 555: struct window_copy_mode_data *data = wp->modedata;
! 556: struct screen *s = &data->screen;
! 557: u_int px, py;
! 558:
! 559: py = screen_hsize(&wp->base) + data->cy - data->oy;
! 560: px = window_copy_find_length(wp, py);
! 561:
! 562: /* On screen. */
! 563: if (px > data->ox && px <= data->ox + screen_size_x(s) - 1)
! 564: data->cx = px - data->ox;
! 565:
! 566: /* Off right of screen. */
! 567: if (px > data->ox + screen_size_x(s) - 1) {
! 568: /* Move cursor to last and scroll screen. */
! 569: window_copy_scroll_left(
! 570: wp, px - data->ox - (screen_size_x(s) - 1));
! 571: data->cx = screen_size_x(s) - 1;
! 572: }
! 573:
! 574: /* Off left of screen. */
! 575: if (px <= data->ox) {
! 576: if (px < screen_size_x(s) - 1) {
! 577: /* Short enough to fit on screen. */
! 578: window_copy_scroll_right(wp, data->ox);
! 579: data->cx = px;
! 580: } else {
! 581: /* Too long to fit on screen. */
! 582: window_copy_scroll_right(
! 583: wp, data->ox - (px - (screen_size_x(s) - 1)));
! 584: data->cx = screen_size_x(s) - 1;
! 585: }
! 586: }
! 587:
! 588: if (window_copy_update_selection(wp))
! 589: window_copy_redraw_lines(wp, data->cy, 1);
! 590: else
! 591: window_copy_update_cursor(wp);
! 592: }
! 593:
! 594: void
! 595: window_copy_cursor_left(struct window_pane *wp)
! 596: {
! 597: struct window_copy_mode_data *data = wp->modedata;
! 598:
! 599: if (data->cx == 0) {
! 600: if (data->ox > 0)
! 601: window_copy_scroll_right(wp, 1);
! 602: else {
! 603: window_copy_cursor_up(wp);
! 604: window_copy_cursor_end_of_line(wp);
! 605: }
! 606: } else {
! 607: data->cx--;
! 608: if (window_copy_update_selection(wp))
! 609: window_copy_redraw_lines(wp, data->cy, 1);
! 610: else
! 611: window_copy_update_cursor(wp);
! 612: }
! 613: }
! 614:
! 615: void
! 616: window_copy_cursor_right(struct window_pane *wp)
! 617: {
! 618: struct window_copy_mode_data *data = wp->modedata;
! 619: u_int px, py;
! 620:
! 621: py = screen_hsize(&wp->base) + data->cy - data->oy;
! 622: px = window_copy_find_length(wp, py);
! 623:
! 624: if (data->cx >= px) {
! 625: window_copy_cursor_start_of_line(wp);
! 626: window_copy_cursor_down(wp);
! 627: } else {
! 628: data->cx++;
! 629: if (window_copy_update_selection(wp))
! 630: window_copy_redraw_lines(wp, data->cy, 1);
! 631: else
! 632: window_copy_update_cursor(wp);
! 633: }
! 634: }
! 635:
! 636: void
! 637: window_copy_cursor_up(struct window_pane *wp)
! 638: {
! 639: struct window_copy_mode_data *data = wp->modedata;
! 640: u_int ox, oy, px, py;
! 641:
! 642: oy = screen_hsize(&wp->base) + data->cy - data->oy;
! 643: ox = window_copy_find_length(wp, oy);
! 644:
! 645: if (data->cy == 0)
! 646: window_copy_scroll_down(wp, 1);
! 647: else {
! 648: data->cy--;
! 649: if (window_copy_update_selection(wp))
! 650: window_copy_redraw_lines(wp, data->cy, 2);
! 651: else
! 652: window_copy_update_cursor(wp);
! 653: }
! 654:
! 655: py = screen_hsize(&wp->base) + data->cy - data->oy;
! 656: px = window_copy_find_length(wp, py);
! 657:
! 658: if (data->cx + data->ox >= px || data->cx + data->ox >= ox)
! 659: window_copy_cursor_end_of_line(wp);
! 660: }
! 661:
! 662: void
! 663: window_copy_cursor_down(struct window_pane *wp)
! 664: {
! 665: struct window_copy_mode_data *data = wp->modedata;
! 666: struct screen *s = &data->screen;
! 667: u_int ox, oy, px, py;
! 668:
! 669: oy = screen_hsize(&wp->base) + data->cy - data->oy;
! 670: ox = window_copy_find_length(wp, oy);
! 671:
! 672: if (data->cy == screen_size_y(s) - 1)
! 673: window_copy_scroll_up(wp, 1);
! 674: else {
! 675: data->cy++;
! 676: if (window_copy_update_selection(wp))
! 677: window_copy_redraw_lines(wp, data->cy - 1, 2);
! 678: else
! 679: window_copy_update_cursor(wp);
! 680: }
! 681:
! 682: py = screen_hsize(&wp->base) + data->cy - data->oy;
! 683: px = window_copy_find_length(wp, py);
! 684:
! 685: if (data->cx + data->ox >= px || data->cx + data->ox >= ox)
! 686: window_copy_cursor_end_of_line(wp);
! 687: }
! 688:
! 689: void
! 690: window_copy_cursor_next_word(struct window_pane *wp)
! 691: {
! 692: struct window_copy_mode_data *data = wp->modedata;
! 693: struct screen *s = &data->screen;
! 694: u_int px, py, xx, skip;
! 695:
! 696: px = data->ox + data->cx;
! 697: py = screen_hsize(&wp->base) + data->cy - data->oy;
! 698: xx = window_copy_find_length(wp, py);
! 699:
! 700: skip = 1;
! 701: if (px < xx) {
! 702: /* If currently on a space, skip space. */
! 703: if (window_copy_is_space(wp, px, py))
! 704: skip = 0;
! 705: } else
! 706: skip = 0;
! 707: for (;;) {
! 708: if (px >= xx) {
! 709: if (skip) {
! 710: px = xx;
! 711: break;
! 712: }
! 713:
! 714: while (px >= xx) {
! 715: if (data->cy == screen_size_y(s) - 1) {
! 716: if (data->oy == 0)
! 717: goto out;
! 718: }
! 719:
! 720: px = 0;
! 721: window_copy_cursor_down(wp);
! 722:
! 723: py =screen_hsize(
! 724: &wp->base) + data->cy - data->oy;
! 725: xx = window_copy_find_length(wp, py);
! 726: }
! 727: }
! 728:
! 729: if (skip) {
! 730: /* Currently skipping non-space (until space). */
! 731: if (window_copy_is_space(wp, px, py))
! 732: break;
! 733: } else {
! 734: /* Currently skipping space (until non-space). */
! 735: if (!window_copy_is_space(wp, px, py))
! 736: skip = 1;
! 737: }
! 738:
! 739: px++;
! 740: }
! 741: out:
! 742:
! 743: /* On screen. */
! 744: if (px > data->ox && px <= data->ox + screen_size_x(s) - 1)
! 745: data->cx = px - data->ox;
! 746:
! 747: /* Off right of screen. */
! 748: if (px > data->ox + screen_size_x(s) - 1) {
! 749: /* Move cursor to last and scroll screen. */
! 750: window_copy_scroll_left(
! 751: wp, px - data->ox - (screen_size_x(s) - 1));
! 752: data->cx = screen_size_x(s) - 1;
! 753: }
! 754:
! 755: /* Off left of screen. */
! 756: if (px <= data->ox) {
! 757: if (px < screen_size_x(s) - 1) {
! 758: /* Short enough to fit on screen. */
! 759: window_copy_scroll_right(wp, data->ox);
! 760: data->cx = px;
! 761: } else {
! 762: /* Too long to fit on screen. */
! 763: window_copy_scroll_right(
! 764: wp, data->ox - (px - (screen_size_x(s) - 1)));
! 765: data->cx = screen_size_x(s) - 1;
! 766: }
! 767: }
! 768:
! 769: if (window_copy_update_selection(wp))
! 770: window_copy_redraw_lines(wp, data->cy, 1);
! 771: else
! 772: window_copy_update_cursor(wp);
! 773: }
! 774:
! 775: void
! 776: window_copy_cursor_previous_word(struct window_pane *wp)
! 777: {
! 778: struct window_copy_mode_data *data = wp->modedata;
! 779: struct screen *s = &data->screen;
! 780: u_int ox, px, py, skip;
! 781:
! 782: ox = px = data->ox + data->cx;
! 783: py = screen_hsize(&wp->base) + data->cy - data->oy;
! 784:
! 785: skip = 1;
! 786: if (px != 0) {
! 787: /* If currently on a space, skip space. */
! 788: if (window_copy_is_space(wp, px - 1, py))
! 789: skip = 0;
! 790: }
! 791: for (;;) {
! 792: if (px == 0) {
! 793: if (ox != 0)
! 794: break;
! 795:
! 796: while (px == 0) {
! 797: if (data->cy == 0 &&
! 798: (screen_hsize(&wp->base) == 0 ||
! 799: data->oy >= screen_hsize(&wp->base) - 1))
! 800: goto out;
! 801:
! 802: window_copy_cursor_up(wp);
! 803:
! 804: py = screen_hsize(
! 805: &wp->base) + data->cy - data->oy;
! 806: px = window_copy_find_length(wp, py);
! 807: }
! 808: goto out;
! 809: }
! 810:
! 811: if (skip) {
! 812: /* Currently skipping non-space (until space). */
! 813: if (window_copy_is_space(wp, px - 1, py))
! 814: skip = 0;
! 815: } else {
! 816: /* Currently skipping space (until non-space). */
! 817: if (!window_copy_is_space(wp, px - 1, py))
! 818: break;
! 819: }
! 820:
! 821: px--;
! 822: }
! 823: out:
! 824:
! 825: /* On screen. */
! 826: if (px > data->ox && px <= data->ox + screen_size_x(s) - 1)
! 827: data->cx = px - data->ox;
! 828:
! 829: /* Off right of screen. */
! 830: if (px > data->ox + screen_size_x(s) - 1) {
! 831: /* Move cursor to last and scroll screen. */
! 832: window_copy_scroll_left(
! 833: wp, px - data->ox - (screen_size_x(s) - 1));
! 834: data->cx = screen_size_x(s) - 1;
! 835: }
! 836:
! 837: /* Off left of screen. */
! 838: if (px <= data->ox) {
! 839: if (px < screen_size_x(s) - 1) {
! 840: /* Short enough to fit on screen. */
! 841: window_copy_scroll_right(wp, data->ox);
! 842: data->cx = px;
! 843: } else {
! 844: /* Too long to fit on screen. */
! 845: window_copy_scroll_right(
! 846: wp, data->ox - (px - (screen_size_x(s) - 1)));
! 847: data->cx = screen_size_x(s) - 1;
! 848: }
! 849: }
! 850:
! 851: if (window_copy_update_selection(wp))
! 852: window_copy_redraw_lines(wp, data->cy, 1);
! 853: else
! 854: window_copy_update_cursor(wp);
! 855: }
! 856:
! 857: void
! 858: window_copy_scroll_left(struct window_pane *wp, u_int nx)
! 859: {
! 860: struct window_copy_mode_data *data = wp->modedata;
! 861: struct screen *s = &data->screen;
! 862: struct screen_write_ctx ctx;
! 863: u_int i;
! 864:
! 865: if (data->ox > SHRT_MAX - nx)
! 866: nx = SHRT_MAX - data->ox;
! 867: if (nx == 0)
! 868: return;
! 869: data->ox += nx;
! 870: window_copy_update_selection(wp);
! 871:
! 872: screen_write_start(&ctx, wp, NULL);
! 873: for (i = 1; i < screen_size_y(s); i++) {
! 874: screen_write_cursormove(&ctx, 0, i);
! 875: screen_write_deletecharacter(&ctx, nx);
! 876: }
! 877: window_copy_write_columns(wp, &ctx, screen_size_x(s) - nx, nx);
! 878: window_copy_write_line(wp, &ctx, 0);
! 879: if (s->sel.flag) {
! 880: window_copy_update_selection(wp);
! 881: window_copy_write_lines(wp, &ctx, data->cy, 1);
! 882: }
! 883: screen_write_cursormove(&ctx, data->cx, data->cy);
! 884: screen_write_stop(&ctx);
! 885: }
! 886:
! 887: void
! 888: window_copy_scroll_right(struct window_pane *wp, u_int nx)
! 889: {
! 890: struct window_copy_mode_data *data = wp->modedata;
! 891: struct screen *s = &data->screen;
! 892: struct screen_write_ctx ctx;
! 893: u_int i;
! 894:
! 895: if (data->ox < nx)
! 896: nx = data->ox;
! 897: if (nx == 0)
! 898: return;
! 899: data->ox -= nx;
! 900: window_copy_update_selection(wp);
! 901:
! 902: screen_write_start(&ctx, wp, NULL);
! 903: for (i = 1; i < screen_size_y(s); i++) {
! 904: screen_write_cursormove(&ctx, 0, i);
! 905: screen_write_insertcharacter(&ctx, nx);
! 906: }
! 907: window_copy_write_columns(wp, &ctx, 0, nx);
! 908: window_copy_write_line(wp, &ctx, 0);
! 909: if (s->sel.flag)
! 910: window_copy_write_line(wp, &ctx, data->cy);
! 911: screen_write_cursormove(&ctx, data->cx, data->cy);
! 912: screen_write_stop(&ctx);
! 913: }
! 914:
! 915: void
! 916: window_copy_scroll_up(struct window_pane *wp, u_int ny)
! 917: {
! 918: struct window_copy_mode_data *data = wp->modedata;
! 919: struct screen *s = &data->screen;
! 920: struct screen_write_ctx ctx;
! 921:
! 922: if (data->oy < ny)
! 923: ny = data->oy;
! 924: if (ny == 0)
! 925: return;
! 926: data->oy -= ny;
! 927: window_copy_update_selection(wp);
! 928:
! 929: screen_write_start(&ctx, wp, NULL);
! 930: screen_write_cursormove(&ctx, 0, 0);
! 931: screen_write_deleteline(&ctx, ny);
! 932: window_copy_write_lines(wp, &ctx, screen_size_y(s) - ny, ny);
! 933: window_copy_write_line(wp, &ctx, 0);
! 934: window_copy_write_line(wp, &ctx, 1);
! 935: if (s->sel.flag && screen_size_y(s) > ny)
! 936: window_copy_write_line(wp, &ctx, screen_size_y(s) - ny - 1);
! 937: screen_write_cursormove(&ctx, data->cx, data->cy);
! 938: screen_write_stop(&ctx);
! 939: }
! 940:
! 941: void
! 942: window_copy_scroll_down(struct window_pane *wp, u_int ny)
! 943: {
! 944: struct window_copy_mode_data *data = wp->modedata;
! 945: struct screen *s = &data->screen;
! 946: struct screen_write_ctx ctx;
! 947:
! 948: if (ny > screen_hsize(&wp->base))
! 949: return;
! 950:
! 951: if (data->oy > screen_hsize(&wp->base) - ny)
! 952: ny = screen_hsize(&wp->base) - data->oy;
! 953: if (ny == 0)
! 954: return;
! 955: data->oy += ny;
! 956: window_copy_update_selection(wp);
! 957:
! 958: screen_write_start(&ctx, wp, NULL);
! 959: screen_write_cursormove(&ctx, 0, 0);
! 960: screen_write_insertline(&ctx, ny);
! 961: window_copy_write_lines(wp, &ctx, 0, ny);
! 962: if (s->sel.flag && screen_size_y(s) > ny)
! 963: window_copy_write_line(wp, &ctx, ny);
! 964: else if (ny == 1) /* nuke position */
! 965: window_copy_write_line(wp, &ctx, 1);
! 966: screen_write_cursormove(&ctx, data->cx, data->cy);
! 967: screen_write_stop(&ctx);
! 968: }
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