/* $Id: window-copy.c,v 1.123 2010-09-10 13:34:12 tcunha Exp $ */ /* * Copyright (c) 2007 Nicholas Marriott * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include "tmux.h" struct screen *window_copy_init(struct window_pane *); void window_copy_free(struct window_pane *); void window_copy_resize(struct window_pane *, u_int, u_int); void window_copy_key(struct window_pane *, struct session *, int); int window_copy_key_input(struct window_pane *, int); int window_copy_key_numeric_prefix(struct window_pane *, int); void window_copy_mouse( struct window_pane *, struct session *, struct mouse_event *); void window_copy_redraw_lines(struct window_pane *, u_int, u_int); void window_copy_redraw_screen(struct window_pane *); void window_copy_write_line( struct window_pane *, struct screen_write_ctx *, u_int); void window_copy_write_lines( struct window_pane *, struct screen_write_ctx *, u_int, u_int); void window_copy_scroll_to(struct window_pane *, u_int, u_int); int window_copy_search_compare( struct grid *, u_int, u_int, struct grid *, u_int); int window_copy_search_lr( struct grid *, struct grid *, u_int *, u_int, u_int, u_int); int window_copy_search_rl( struct grid *, struct grid *, u_int *, u_int, u_int, u_int); void window_copy_search_up(struct window_pane *, const char *); void window_copy_search_down(struct window_pane *, const char *); void window_copy_goto_line(struct window_pane *, const char *); void window_copy_update_cursor(struct window_pane *, u_int, u_int); void window_copy_start_selection(struct window_pane *); int window_copy_update_selection(struct window_pane *); void window_copy_copy_selection(struct window_pane *, struct session *); void window_copy_clear_selection(struct window_pane *); void window_copy_copy_line( struct window_pane *, char **, size_t *, u_int, u_int, u_int); int window_copy_in_set(struct window_pane *, u_int, u_int, const char *); u_int window_copy_find_length(struct window_pane *, u_int); void window_copy_cursor_start_of_line(struct window_pane *); void window_copy_cursor_back_to_indentation(struct window_pane *); void window_copy_cursor_end_of_line(struct window_pane *); void window_copy_cursor_left(struct window_pane *); void window_copy_cursor_right(struct window_pane *); void window_copy_cursor_up(struct window_pane *, int); void window_copy_cursor_down(struct window_pane *, int); void window_copy_cursor_jump(struct window_pane *); void window_copy_cursor_jump_back(struct window_pane *); void window_copy_cursor_next_word(struct window_pane *, const char *); void window_copy_cursor_next_word_end(struct window_pane *, const char *); void window_copy_cursor_previous_word(struct window_pane *, const char *); void window_copy_scroll_up(struct window_pane *, u_int); void window_copy_scroll_down(struct window_pane *, u_int); void window_copy_rectangle_toggle(struct window_pane *); const struct window_mode window_copy_mode = { window_copy_init, window_copy_free, window_copy_resize, window_copy_key, window_copy_mouse, NULL, }; enum window_copy_input_type { WINDOW_COPY_OFF, WINDOW_COPY_NUMERICPREFIX, WINDOW_COPY_SEARCHUP, WINDOW_COPY_SEARCHDOWN, WINDOW_COPY_JUMPFORWARD, WINDOW_COPY_JUMPBACK, WINDOW_COPY_GOTOLINE, }; /* * Copy-mode's visible screen (the "screen" field) is filled from one of * two sources: the original contents of the pane (used when we * actually enter via the "copy-mode" command, to copy the contents of * the current pane), or else a series of lines containing the output * from an output-writing tmux command (such as any of the "show-*" or * "list-*" commands). * * In either case, the full content of the copy-mode grid is pointed at * by the "backing" field, and is copied into "screen" as needed (that * is, when scrolling occurs). When copy-mode is backed by a pane, * backing points directly at that pane's screen structure (&wp->base); * when backed by a list of output-lines from a command, it points at * a newly-allocated screen structure (which is deallocated when the * mode ends). */ struct window_copy_mode_data { struct screen screen; struct screen *backing; int backing_written; /* backing display has started */ struct mode_key_data mdata; u_int oy; u_int selx; u_int sely; u_int rectflag; /* are we in rectangle copy mode? */ u_int cx; u_int cy; u_int lastcx; /* position in last line with content */ u_int lastsx; /* size of last line with content */ enum window_copy_input_type inputtype; const char *inputprompt; char *inputstr; u_int numprefix; enum window_copy_input_type searchtype; char *searchstr; enum window_copy_input_type jumptype; char jumpchar; }; struct screen * window_copy_init(struct window_pane *wp) { struct window_copy_mode_data *data; struct screen *s; int keys; wp->modedata = data = xmalloc(sizeof *data); data->oy = 0; data->cx = 0; data->cy = 0; data->lastcx = 0; data->lastsx = 0; data->backing_written = 0; data->rectflag = 0; data->inputtype = WINDOW_COPY_OFF; data->inputprompt = NULL; data->inputstr = xstrdup(""); data->numprefix = 0; data->searchtype = WINDOW_COPY_OFF; data->searchstr = NULL; wp->flags |= PANE_FREEZE; if (wp->fd != -1) bufferevent_disable(wp->event, EV_READ|EV_WRITE); data->jumptype = WINDOW_COPY_OFF; data->jumpchar = '\0'; s = &data->screen; screen_init(s, screen_size_x(&wp->base), screen_size_y(&wp->base), 0); if (options_get_number(&wp->window->options, "mode-mouse")) s->mode |= MODE_MOUSE; keys = options_get_number(&wp->window->options, "mode-keys"); if (keys == MODEKEY_EMACS) mode_key_init(&data->mdata, &mode_key_tree_emacs_copy); else mode_key_init(&data->mdata, &mode_key_tree_vi_copy); data->backing = NULL; return (s); } void window_copy_init_from_pane(struct window_pane *wp) { struct window_copy_mode_data *data = wp->modedata; struct screen *s = &data->screen; struct screen_write_ctx ctx; u_int i; if (wp->mode != &window_copy_mode) fatalx("not in copy mode"); data->backing = &wp->base; data->cx = data->backing->cx; data->cy = data->backing->cy; s->cx = data->cx; s->cy = data->cy; screen_write_start(&ctx, NULL, s); for (i = 0; i < screen_size_y(s); i++) window_copy_write_line(wp, &ctx, i); screen_write_cursormove(&ctx, data->cx, data->cy); screen_write_stop(&ctx); } void window_copy_init_for_output(struct window_pane *wp) { struct window_copy_mode_data *data = wp->modedata; data->backing = xmalloc(sizeof *data->backing); screen_init(data->backing, screen_size_x(&wp->base), screen_size_y(&wp->base), UINT_MAX); data->backing->mode &= ~MODE_WRAP; } void window_copy_free(struct window_pane *wp) { struct window_copy_mode_data *data = wp->modedata; wp->flags &= ~PANE_FREEZE; if (wp->fd != -1) bufferevent_enable(wp->event, EV_READ|EV_WRITE); if (data->searchstr != NULL) xfree(data->searchstr); xfree(data->inputstr); if (data->backing != &wp->base) { screen_free(data->backing); xfree(data->backing); } screen_free(&data->screen); xfree(data); } void window_copy_add(struct window_pane *wp, const char *fmt, ...) { va_list ap; va_start(ap, fmt); window_copy_vadd(wp, fmt, ap); va_end(ap); } void window_copy_vadd(struct window_pane *wp, const char *fmt, va_list ap) { struct window_copy_mode_data *data = wp->modedata; struct screen *backing = data->backing; struct screen_write_ctx back_ctx, ctx; struct grid_cell gc; int utf8flag; u_int old_hsize; if (backing == &wp->base) return; utf8flag = options_get_number(&wp->window->options, "utf8"); memcpy(&gc, &grid_default_cell, sizeof gc); old_hsize = screen_hsize(data->backing); screen_write_start(&back_ctx, NULL, backing); if (data->backing_written) { /* * On the second or later line, do a CRLF before writing * (so it's on a new line). */ screen_write_carriagereturn(&back_ctx); screen_write_linefeed(&back_ctx, 0); } else data->backing_written = 1; screen_write_vnputs(&back_ctx, 0, &gc, utf8flag, fmt, ap); screen_write_stop(&back_ctx); data->oy += screen_hsize(data->backing) - old_hsize; screen_write_start(&ctx, wp, &data->screen); /* * If the history has changed, draw the top line. * (If there's any history at all, it has changed.) */ if (screen_hsize(data->backing)) window_copy_redraw_lines(wp, 0, 1); /* Write the line, if it's visible. */ if (backing->cy + data->oy < screen_size_y(backing)) window_copy_redraw_lines(wp, backing->cy, 1); screen_write_stop(&ctx); } void window_copy_pageup(struct window_pane *wp) { struct window_copy_mode_data *data = wp->modedata; struct screen *s = &data->screen; u_int n; n = 1; if (screen_size_y(s) > 2) n = screen_size_y(s) - 2; if (data->oy + n > screen_hsize(data->backing)) data->oy = screen_hsize(data->backing); else data->oy += n; window_copy_update_selection(wp); window_copy_redraw_screen(wp); } void window_copy_resize(struct window_pane *wp, u_int sx, u_int sy) { struct window_copy_mode_data *data = wp->modedata; struct screen *s = &data->screen; struct screen_write_ctx ctx; screen_resize(s, sx, sy); if (data->backing != &wp->base) screen_resize(data->backing, sx, sy); if (data->cy > sy - 1) data->cy = sy - 1; if (data->cx > sx) data->cx = sx; window_copy_clear_selection(wp); screen_write_start(&ctx, NULL, s); window_copy_write_lines(wp, &ctx, 0, screen_size_y(s) - 1); screen_write_stop(&ctx); window_copy_redraw_screen(wp); } void window_copy_key(struct window_pane *wp, struct session *sess, int key) { const char *word_separators; struct window_copy_mode_data *data = wp->modedata; struct screen *s = &data->screen; u_int n, np; int keys; enum mode_key_cmd cmd; np = data->numprefix; if (np == 0) np = 1; if (data->inputtype == WINDOW_COPY_JUMPFORWARD || data->inputtype == WINDOW_COPY_JUMPBACK) { /* Ignore keys with modifiers. */ if ((key & KEYC_MASK_MOD) == 0) { data->jumpchar = key; if (data->inputtype == WINDOW_COPY_JUMPFORWARD) { for (; np != 0; np--) window_copy_cursor_jump(wp); } else { for (; np != 0; np--) window_copy_cursor_jump_back(wp); } } data->jumptype = data->inputtype; data->inputtype = WINDOW_COPY_OFF; window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1); return; } if (data->inputtype == WINDOW_COPY_NUMERICPREFIX) { if (window_copy_key_numeric_prefix(wp, key) == 0) return; data->inputtype = WINDOW_COPY_OFF; window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1); } else if (data->inputtype != WINDOW_COPY_OFF) { if (window_copy_key_input(wp, key) != 0) goto input_off; return; } cmd = mode_key_lookup(&data->mdata, key); switch (cmd) { case MODEKEYCOPY_CANCEL: window_pane_reset_mode(wp); return; case MODEKEYCOPY_LEFT: for (; np != 0; np--) window_copy_cursor_left(wp); break; case MODEKEYCOPY_RIGHT: for (; np != 0; np--) window_copy_cursor_right(wp); break; case MODEKEYCOPY_UP: for (; np != 0; np--) window_copy_cursor_up(wp, 0); break; case MODEKEYCOPY_DOWN: for (; np != 0; np--) window_copy_cursor_down(wp, 0); break; case MODEKEYCOPY_SCROLLUP: for (; np != 0; np--) window_copy_cursor_up(wp, 1); break; case MODEKEYCOPY_SCROLLDOWN: for (; np != 0; np--) window_copy_cursor_down(wp, 1); break; case MODEKEYCOPY_PREVIOUSPAGE: for (; np != 0; np--) window_copy_pageup(wp); break; case MODEKEYCOPY_NEXTPAGE: n = 1; if (screen_size_y(s) > 2) n = screen_size_y(s) - 2; for (; np != 0; np--) { if (data->oy < n) data->oy = 0; else data->oy -= n; } window_copy_update_selection(wp); window_copy_redraw_screen(wp); break; case MODEKEYCOPY_HALFPAGEUP: n = screen_size_y(s) / 2; for (; np != 0; np--) { if (data->oy + n > screen_hsize(data->backing)) data->oy = screen_hsize(data->backing); else data->oy += n; } window_copy_update_selection(wp); window_copy_redraw_screen(wp); break; case MODEKEYCOPY_HALFPAGEDOWN: n = screen_size_y(s) / 2; for (; np != 0; np--) { if (data->oy < n) data->oy = 0; else data->oy -= n; } window_copy_update_selection(wp); window_copy_redraw_screen(wp); break; case MODEKEYCOPY_TOPLINE: data->cx = 0; data->cy = 0; window_copy_update_selection(wp); window_copy_redraw_screen(wp); break; case MODEKEYCOPY_MIDDLELINE: data->cx = 0; data->cy = (screen_size_y(s) - 1) / 2; window_copy_update_selection(wp); window_copy_redraw_screen(wp); break; case MODEKEYCOPY_BOTTOMLINE: data->cx = 0; data->cy = screen_size_y(s) - 1; window_copy_update_selection(wp); window_copy_redraw_screen(wp); break; case MODEKEYCOPY_HISTORYTOP: data->cx = 0; data->cy = 0; data->oy = screen_hsize(data->backing); window_copy_update_selection(wp); window_copy_redraw_screen(wp); break; case MODEKEYCOPY_HISTORYBOTTOM: data->cx = 0; data->cy = screen_size_y(s) - 1; data->oy = 0; window_copy_update_selection(wp); window_copy_redraw_screen(wp); break; case MODEKEYCOPY_STARTSELECTION: window_copy_start_selection(wp); window_copy_redraw_screen(wp); break; case MODEKEYCOPY_CLEARSELECTION: window_copy_clear_selection(wp); window_copy_redraw_screen(wp); break; case MODEKEYCOPY_COPYSELECTION: if (sess != NULL) { window_copy_copy_selection(wp, sess); window_pane_reset_mode(wp); return; } break; case MODEKEYCOPY_STARTOFLINE: window_copy_cursor_start_of_line(wp); break; case MODEKEYCOPY_BACKTOINDENTATION: window_copy_cursor_back_to_indentation(wp); break; case MODEKEYCOPY_ENDOFLINE: window_copy_cursor_end_of_line(wp); break; case MODEKEYCOPY_NEXTSPACE: for (; np != 0; np--) window_copy_cursor_next_word(wp, " "); break; case MODEKEYCOPY_NEXTSPACEEND: for (; np != 0; np--) window_copy_cursor_next_word_end(wp, " "); break; case MODEKEYCOPY_NEXTWORD: word_separators = options_get_string(&wp->window->options, "word-separators"); for (; np != 0; np--) window_copy_cursor_next_word(wp, word_separators); break; case MODEKEYCOPY_NEXTWORDEND: word_separators = options_get_string(&wp->window->options, "word-separators"); for (; np != 0; np--) window_copy_cursor_next_word_end(wp, word_separators); break; case MODEKEYCOPY_PREVIOUSSPACE: for (; np != 0; np--) window_copy_cursor_previous_word(wp, " "); break; case MODEKEYCOPY_PREVIOUSWORD: word_separators = options_get_string(&wp->window->options, "word-separators"); for (; np != 0; np--) window_copy_cursor_previous_word(wp, word_separators); break; case MODEKEYCOPY_JUMP: data->inputtype = WINDOW_COPY_JUMPFORWARD; data->inputprompt = "Jump Forward"; *data->inputstr = '\0'; window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1); return; /* skip numprefix reset */ case MODEKEYCOPY_JUMPAGAIN: if (data->jumptype == WINDOW_COPY_JUMPFORWARD) { for (; np != 0; np--) window_copy_cursor_jump(wp); } else if (data->jumptype == WINDOW_COPY_JUMPBACK) { for (; np != 0; np--) window_copy_cursor_jump_back(wp); } break; case MODEKEYCOPY_JUMPREVERSE: if (data->jumptype == WINDOW_COPY_JUMPFORWARD) { for (; np != 0; np--) window_copy_cursor_jump_back(wp); } else if (data->jumptype == WINDOW_COPY_JUMPBACK) { for (; np != 0; np--) window_copy_cursor_jump(wp); } break; case MODEKEYCOPY_JUMPBACK: data->inputtype = WINDOW_COPY_JUMPBACK; data->inputprompt = "Jump Back"; *data->inputstr = '\0'; window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1); return; /* skip numprefix reset */ case MODEKEYCOPY_SEARCHUP: data->inputtype = WINDOW_COPY_SEARCHUP; data->inputprompt = "Search Up"; goto input_on; case MODEKEYCOPY_SEARCHDOWN: data->inputtype = WINDOW_COPY_SEARCHDOWN; data->inputprompt = "Search Down"; goto input_on; case MODEKEYCOPY_SEARCHAGAIN: case MODEKEYCOPY_SEARCHREVERSE: switch (data->searchtype) { case WINDOW_COPY_OFF: case WINDOW_COPY_GOTOLINE: case WINDOW_COPY_JUMPFORWARD: case WINDOW_COPY_JUMPBACK: case WINDOW_COPY_NUMERICPREFIX: break; case WINDOW_COPY_SEARCHUP: if (cmd == MODEKEYCOPY_SEARCHAGAIN) { for (; np != 0; np--) { window_copy_search_up( wp, data->searchstr); } } else { for (; np != 0; np--) { window_copy_search_down( wp, data->searchstr); } } break; case WINDOW_COPY_SEARCHDOWN: if (cmd == MODEKEYCOPY_SEARCHAGAIN) { for (; np != 0; np--) { window_copy_search_down( wp, data->searchstr); } } else { for (; np != 0; np--) { window_copy_search_up( wp, data->searchstr); } } break; } break; case MODEKEYCOPY_GOTOLINE: data->inputtype = WINDOW_COPY_GOTOLINE; data->inputprompt = "Goto Line"; *data->inputstr = '\0'; goto input_on; case MODEKEYCOPY_STARTNUMBERPREFIX: key &= KEYC_MASK_KEY; if (key >= '0' && key <= '9') { data->inputtype = WINDOW_COPY_NUMERICPREFIX; data->numprefix = 0; window_copy_key_numeric_prefix(wp, key); return; } break; case MODEKEYCOPY_RECTANGLETOGGLE: window_copy_rectangle_toggle(wp); break; default: break; } data->numprefix = 0; return; input_on: keys = options_get_number(&wp->window->options, "mode-keys"); if (keys == MODEKEY_EMACS) mode_key_init(&data->mdata, &mode_key_tree_emacs_edit); else mode_key_init(&data->mdata, &mode_key_tree_vi_edit); window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1); return; input_off: keys = options_get_number(&wp->window->options, "mode-keys"); if (keys == MODEKEY_EMACS) mode_key_init(&data->mdata, &mode_key_tree_emacs_copy); else mode_key_init(&data->mdata, &mode_key_tree_vi_copy); data->inputtype = WINDOW_COPY_OFF; data->inputprompt = NULL; window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1); } int window_copy_key_input(struct window_pane *wp, int key) { struct window_copy_mode_data *data = wp->modedata; struct screen *s = &data->screen; size_t inputlen; u_int np; switch (mode_key_lookup(&data->mdata, key)) { case MODEKEYEDIT_CANCEL: data->numprefix = 0; return (-1); case MODEKEYEDIT_BACKSPACE: inputlen = strlen(data->inputstr); if (inputlen > 0) data->inputstr[inputlen - 1] = '\0'; break; case MODEKEYEDIT_DELETELINE: *data->inputstr = '\0'; break; case MODEKEYEDIT_ENTER: np = data->numprefix; if (np == 0) np = 1; switch (data->inputtype) { case WINDOW_COPY_OFF: case WINDOW_COPY_JUMPFORWARD: case WINDOW_COPY_JUMPBACK: case WINDOW_COPY_NUMERICPREFIX: break; case WINDOW_COPY_SEARCHUP: for (; np != 0; np--) window_copy_search_up(wp, data->inputstr); data->searchtype = data->inputtype; data->searchstr = xstrdup(data->inputstr); break; case WINDOW_COPY_SEARCHDOWN: for (; np != 0; np--) window_copy_search_down(wp, data->inputstr); data->searchtype = data->inputtype; data->searchstr = xstrdup(data->inputstr); break; case WINDOW_COPY_GOTOLINE: window_copy_goto_line(wp, data->inputstr); *data->inputstr = '\0'; break; } data->numprefix = 0; return (1); case MODEKEY_OTHER: if (key < 32 || key > 126) break; inputlen = strlen(data->inputstr) + 2; data->inputstr = xrealloc(data->inputstr, 1, inputlen); data->inputstr[inputlen - 2] = key; data->inputstr[inputlen - 1] = '\0'; break; default: break; } window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1); return (0); } int window_copy_key_numeric_prefix(struct window_pane *wp, int key) { struct window_copy_mode_data *data = wp->modedata; struct screen *s = &data->screen; key &= KEYC_MASK_KEY; if (key < '0' || key > '9') return 1; if (data->numprefix >= 100) /* no more than three digits */ return 0; data->numprefix = data->numprefix * 10 + key - '0'; window_copy_redraw_lines(wp, screen_size_y(s) - 1, 1); return 0; } /* ARGSUSED */ void window_copy_mouse( struct window_pane *wp, unused struct session *sess, struct mouse_event *m) { struct window_copy_mode_data *data = wp->modedata; struct screen *s = &data->screen; u_int i; if (m->x >= screen_size_x(s)) return; if (m->y >= screen_size_y(s)) return; /* If mouse wheel (buttons 4 and 5), scroll. */ if ((m->b & MOUSE_45)) { if ((m->b & MOUSE_BUTTON) == MOUSE_1) { for (i = 0; i < 5; i++) window_copy_cursor_up(wp, 0); } else if ((m->b & MOUSE_BUTTON) == MOUSE_2) { for (i = 0; i < 5; i++) window_copy_cursor_down(wp, 0); } return; } /* * If already reading motion, move the cursor while buttons are still * pressed, or stop the selection on their release. */ if (s->mode & MODE_MOUSEMOTION) { if ((m->b & MOUSE_BUTTON) != MOUSE_UP) { window_copy_update_cursor(wp, m->x, m->y); if (window_copy_update_selection(wp)) window_copy_redraw_screen(wp); } else { s->mode &= ~MODE_MOUSEMOTION; if (sess != NULL) { window_copy_copy_selection(wp, sess); window_pane_reset_mode(wp); } } return; } /* Otherwise i other buttons pressed, start selection and motion. */ if ((m->b & MOUSE_BUTTON) != MOUSE_UP) { s->mode |= MODE_MOUSEMOTION; window_copy_update_cursor(wp, m->x, m->y); window_copy_start_selection(wp); window_copy_redraw_screen(wp); } } void window_copy_scroll_to(struct window_pane *wp, u_int px, u_int py) { struct window_copy_mode_data *data = wp->modedata; struct grid *gd = data->backing->grid; u_int offset, gap; data->cx = px; gap = gd->sy / 4; if (py < gd->sy) { offset = 0; data->cy = py; } else if (py > gd->hsize + gd->sy - gap) { offset = gd->hsize; data->cy = py - gd->hsize; } else { offset = py + gap - gd->sy; data->cy = py - offset; } data->oy = gd->hsize - offset; window_copy_update_selection(wp); window_copy_redraw_screen(wp); } int window_copy_search_compare( struct grid *gd, u_int px, u_int py, struct grid *sgd, u_int spx) { const struct grid_cell *gc, *sgc; const struct grid_utf8 *gu, *sgu; gc = grid_peek_cell(gd, px, py); sgc = grid_peek_cell(sgd, spx, 0); if ((gc->flags & GRID_FLAG_UTF8) != (sgc->flags & GRID_FLAG_UTF8)) return (0); if (gc->flags & GRID_FLAG_UTF8) { gu = grid_peek_utf8(gd, px, py); sgu = grid_peek_utf8(sgd, spx, 0); if (grid_utf8_compare(gu, sgu)) return (1); } else { if (gc->data == sgc->data) return (1); } return (0); } int window_copy_search_lr(struct grid *gd, struct grid *sgd, u_int *ppx, u_int py, u_int first, u_int last) { u_int ax, bx, px; for (ax = first; ax < last; ax++) { if (ax + sgd->sx >= gd->sx) break; for (bx = 0; bx < sgd->sx; bx++) { px = ax + bx; if (!window_copy_search_compare(gd, px, py, sgd, bx)) break; } if (bx == sgd->sx) { *ppx = ax; return (1); } } return (0); } int window_copy_search_rl(struct grid *gd, struct grid *sgd, u_int *ppx, u_int py, u_int first, u_int last) { u_int ax, bx, px; for (ax = last + 1; ax > first; ax--) { if (gd->sx - (ax - 1) < sgd->sx) continue; for (bx = 0; bx < sgd->sx; bx++) { px = ax - 1 + bx; if (!window_copy_search_compare(gd, px, py, sgd, bx)) break; } if (bx == sgd->sx) { *ppx = ax - 1; return (1); } } return (0); } void window_copy_search_up(struct window_pane *wp, const char *searchstr) { struct window_copy_mode_data *data = wp->modedata; struct screen *s = data->backing, ss; struct screen_write_ctx ctx; struct grid *gd = s->grid, *sgd; struct grid_cell gc; size_t searchlen; u_int i, last, fx, fy, px; int utf8flag, n, wrapped; if (*searchstr == '\0') return; utf8flag = options_get_number(&wp->window->options, "utf8"); searchlen = screen_write_strlen(utf8flag, "%s", searchstr); screen_init(&ss, searchlen, 1, 0); screen_write_start(&ctx, NULL, &ss); memcpy(&gc, &grid_default_cell, sizeof gc); screen_write_nputs(&ctx, -1, &gc, utf8flag, "%s", searchstr); screen_write_stop(&ctx); fx = data->cx; fy = gd->hsize - data->oy + data->cy; if (fx == 0) { if (fy == 0) return; fx = gd->sx - 1; fy--; } else fx--; n = wrapped = 0; retry: sgd = ss.grid; for (i = fy + 1; i > 0; i--) { last = screen_size_x(s); if (i == fy + 1) last = fx; n = window_copy_search_rl(gd, sgd, &px, i - 1, 0, last); if (n) { window_copy_scroll_to(wp, px, i - 1); break; } } if (!n && !wrapped) { fx = gd->sx - 1; fy = gd->hsize + gd->sy - 1; wrapped = 1; goto retry; } screen_free(&ss); } void window_copy_search_down(struct window_pane *wp, const char *searchstr) { struct window_copy_mode_data *data = wp->modedata; struct screen *s = data->backing, ss; struct screen_write_ctx ctx; struct grid *gd = s->grid, *sgd; struct grid_cell gc; size_t searchlen; u_int i, first, fx, fy, px; int utf8flag, n, wrapped; if (*searchstr == '\0') return; utf8flag = options_get_number(&wp->window->options, "utf8"); searchlen = screen_write_strlen(utf8flag, "%s", searchstr); screen_init(&ss, searchlen, 1, 0); screen_write_start(&ctx, NULL, &ss); memcpy(&gc, &grid_default_cell, sizeof gc); screen_write_nputs(&ctx, -1, &gc, utf8flag, "%s", searchstr); screen_write_stop(&ctx); fx = data->cx; fy = gd->hsize - data->oy + data->cy; if (fx == gd->sx - 1) { if (fy == gd->hsize + gd->sy) return; fx = 0; fy++; } else fx++; n = wrapped = 0; retry: sgd = ss.grid; for (i = fy + 1; i < gd->hsize + gd->sy; i++) { first = 0; if (i == fy + 1) first = fx; n = window_copy_search_lr(gd, sgd, &px, i - 1, first, gd->sx); if (n) { window_copy_scroll_to(wp, px, i - 1); break; } } if (!n && !wrapped) { fx = 0; fy = 0; wrapped = 1; goto retry; } screen_free(&ss); } void window_copy_goto_line(struct window_pane *wp, const char *linestr) { struct window_copy_mode_data *data = wp->modedata; const char *errstr; u_int lineno; lineno = strtonum(linestr, 0, screen_hsize(data->backing), &errstr); if (errstr != NULL) return; data->oy = lineno; window_copy_update_selection(wp); window_copy_redraw_screen(wp); } void window_copy_write_line( struct window_pane *wp, struct screen_write_ctx *ctx, u_int py) { struct window_copy_mode_data *data = wp->modedata; struct screen *s = &data->screen; struct options *oo = &wp->window->options; struct grid_cell gc; char hdr[32]; size_t last, xoff = 0, size = 0; memcpy(&gc, &grid_default_cell, sizeof gc); colour_set_fg(&gc, options_get_number(oo, "mode-fg")); colour_set_bg(&gc, options_get_number(oo, "mode-bg")); gc.attr |= options_get_number(oo, "mode-attr"); last = screen_size_y(s) - 1; if (py == 0) { size = xsnprintf(hdr, sizeof hdr, "[%u/%u]", data->oy, screen_hsize(data->backing)); if (size > screen_size_x(s)) size = screen_size_x(s); screen_write_cursormove(ctx, screen_size_x(s) - size, 0); screen_write_puts(ctx, &gc, "%s", hdr); } else if (py == last && data->inputtype != WINDOW_COPY_OFF) { if (data->inputtype == WINDOW_COPY_NUMERICPREFIX) { xoff = size = xsnprintf(hdr, sizeof hdr, "Repeat: %u", data->numprefix); } else { xoff = size = xsnprintf(hdr, sizeof hdr, "%s: %s", data->inputprompt, data->inputstr); } screen_write_cursormove(ctx, 0, last); screen_write_puts(ctx, &gc, "%s", hdr); } else size = 0; screen_write_cursormove(ctx, xoff, py); screen_write_copy(ctx, data->backing, xoff, (screen_hsize(data->backing) - data->oy) + py, screen_size_x(s) - size, 1); if (py == data->cy && data->cx == screen_size_x(s)) { memcpy(&gc, &grid_default_cell, sizeof gc); screen_write_cursormove(ctx, screen_size_x(s) - 1, py); screen_write_putc(ctx, &gc, '$'); } } void window_copy_write_lines( struct window_pane *wp, struct screen_write_ctx *ctx, u_int py, u_int ny) { u_int yy; for (yy = py; yy < py + ny; yy++) window_copy_write_line(wp, ctx, py); } void window_copy_redraw_lines(struct window_pane *wp, u_int py, u_int ny) { struct window_copy_mode_data *data = wp->modedata; struct screen_write_ctx ctx; u_int i; screen_write_start(&ctx, wp, NULL); for (i = py; i < py + ny; i++) window_copy_write_line(wp, &ctx, i); screen_write_cursormove(&ctx, data->cx, data->cy); screen_write_stop(&ctx); } void window_copy_redraw_screen(struct window_pane *wp) { struct window_copy_mode_data *data = wp->modedata; window_copy_redraw_lines(wp, 0, screen_size_y(&data->screen)); } void window_copy_update_cursor(struct window_pane *wp, u_int cx, u_int cy) { struct window_copy_mode_data *data = wp->modedata; struct screen *s = &data->screen; struct screen_write_ctx ctx; u_int old_cx, old_cy; old_cx = data->cx; old_cy = data->cy; data->cx = cx; data->cy = cy; if (old_cx == screen_size_x(s)) window_copy_redraw_lines(wp, old_cy, 1); if (data->cx == screen_size_x(s)) window_copy_redraw_lines(wp, data->cy, 1); else { screen_write_start(&ctx, wp, NULL); screen_write_cursormove(&ctx, data->cx, data->cy); screen_write_stop(&ctx); } } void window_copy_start_selection(struct window_pane *wp) { struct window_copy_mode_data *data = wp->modedata; struct screen *s = &data->screen; data->selx = data->cx; data->sely = screen_hsize(data->backing) + data->cy - data->oy; s->sel.flag = 1; window_copy_update_selection(wp); } int window_copy_update_selection(struct window_pane *wp) { struct window_copy_mode_data *data = wp->modedata; struct screen *s = &data->screen; struct options *oo = &wp->window->options; struct grid_cell gc; u_int sx, sy, ty, cy; if (!s->sel.flag) return (0); /* Set colours. */ memcpy(&gc, &grid_default_cell, sizeof gc); colour_set_fg(&gc, options_get_number(oo, "mode-fg")); colour_set_bg(&gc, options_get_number(oo, "mode-bg")); gc.attr |= options_get_number(oo, "mode-attr"); /* Find top of screen. */ ty = screen_hsize(data->backing) - data->oy; /* Adjust the selection. */ sx = data->selx; sy = data->sely; if (sy < ty) { /* above screen */ if (!data->rectflag) sx = 0; sy = 0; } else if (sy > ty + screen_size_y(s) - 1) { /* below screen */ if (!data->rectflag) sx = screen_size_x(s) - 1; sy = screen_size_y(s) - 1; } else sy -= ty; sy = screen_hsize(s) + sy; screen_set_selection(s, sx, sy, data->cx, screen_hsize(s) + data->cy, data->rectflag, &gc); if (data->rectflag) { /* * Can't rely on the caller to redraw the right lines for * rectangle selection - find the highest line and the number * of lines, and redraw just past that in both directions */ cy = data->cy; if (sy < cy) window_copy_redraw_lines(wp, sy, cy - sy + 1); else window_copy_redraw_lines(wp, cy, sy - cy + 1); } return (1); } void window_copy_copy_selection(struct window_pane *wp, struct session *sess) { struct window_copy_mode_data *data = wp->modedata; struct screen *s = &data->screen; char *buf; size_t off; u_int i, xx, yy, sx, sy, ex, ey, limit; u_int firstsx, lastex, restex, restsx; if (!s->sel.flag) return; buf = xmalloc(1); off = 0; *buf = '\0'; /* * The selection extends from selx,sely to (adjusted) cx,cy on * the base screen. */ /* Find start and end. */ xx = data->cx; yy = screen_hsize(data->backing) + data->cy - data->oy; if (yy < data->sely || (yy == data->sely && xx < data->selx)) { sx = xx; sy = yy; ex = data->selx; ey = data->sely; } else { sx = data->selx; sy = data->sely; ex = xx; ey = yy; } /* Trim ex to end of line. */ xx = window_copy_find_length(wp, ey); if (ex > xx) ex = xx; /* * Deal with rectangle-copy if necessary; four situations: start of * first line (firstsx), end of last line (lastex), start (restsx) and * end (restex) of all other lines. */ xx = screen_size_x(s); if (data->rectflag) { /* * Need to ignore the column with the cursor in it, which for * rectangular copy means knowing which side the cursor is on. */ if (data->selx < data->cx) { /* Selection start is on the left. */ lastex = data->cx; restex = data->cx; firstsx = data->selx; restsx = data->selx; } else { /* Cursor is on the left. */ lastex = data->selx + 1; restex = data->selx + 1; firstsx = data->cx + 1; restsx = data->cx + 1; } } else { /* * Like emacs, keep the top-left-most character, and drop the * bottom-right-most, regardless of copy direction. */ lastex = ex; restex = xx; firstsx = sx; restsx = 0; } /* Copy the lines. */ if (sy == ey) window_copy_copy_line(wp, &buf, &off, sy, firstsx, lastex); else { window_copy_copy_line(wp, &buf, &off, sy, firstsx, restex); if (ey - sy > 1) { for (i = sy + 1; i < ey; i++) { window_copy_copy_line( wp, &buf, &off, i, restsx, restex); } } window_copy_copy_line(wp, &buf, &off, ey, restsx, lastex); } /* Don't bother if no data. */ if (off == 0) { xfree(buf); return; } off--; /* remove final \n */ /* Add the buffer to the stack. */ limit = options_get_number(&sess->options, "buffer-limit"); paste_add(&sess->buffers, buf, off, limit); } void window_copy_copy_line(struct window_pane *wp, char **buf, size_t *off, u_int sy, u_int sx, u_int ex) { struct window_copy_mode_data *data = wp->modedata; struct grid *gd = data->backing->grid; const struct grid_cell *gc; const struct grid_utf8 *gu; struct grid_line *gl; u_int i, xx, wrapped = 0; size_t size; if (sx > ex) return; /* * Work out if the line was wrapped at the screen edge and all of it is * on screen. */ gl = &gd->linedata[sy]; if (gl->flags & GRID_LINE_WRAPPED && gl->cellsize <= gd->sx) wrapped = 1; /* If the line was wrapped, don't strip spaces (use the full length). */ if (wrapped) xx = gl->cellsize; else xx = window_copy_find_length(wp, sy); if (ex > xx) ex = xx; if (sx > xx) sx = xx; if (sx < ex) { for (i = sx; i < ex; i++) { gc = grid_peek_cell(gd, i, sy); if (gc->flags & GRID_FLAG_PADDING) continue; if (!(gc->flags & GRID_FLAG_UTF8)) { *buf = xrealloc(*buf, 1, (*off) + 1); (*buf)[(*off)++] = gc->data; } else { gu = grid_peek_utf8(gd, i, sy); size = grid_utf8_size(gu); *buf = xrealloc(*buf, 1, (*off) + size); *off += grid_utf8_copy(gu, *buf + *off, size); } } } /* Only add a newline if the line wasn't wrapped. */ if (!wrapped || ex != xx) { *buf = xrealloc(*buf, 1, (*off) + 1); (*buf)[(*off)++] = '\n'; } } void window_copy_clear_selection(struct window_pane *wp) { struct window_copy_mode_data *data = wp->modedata; u_int px, py; screen_clear_selection(&data->screen); py = screen_hsize(data->backing) + data->cy - data->oy; px = window_copy_find_length(wp, py); if (data->cx > px) window_copy_update_cursor(wp, px, data->cy); } int window_copy_in_set(struct window_pane *wp, u_int px, u_int py, const char *set) { struct window_copy_mode_data *data = wp->modedata; const struct grid_cell *gc; gc = grid_peek_cell(data->backing->grid, px, py); if (gc->flags & (GRID_FLAG_PADDING|GRID_FLAG_UTF8)) return (0); if (gc->data == 0x00 || gc->data == 0x7f) return (0); return (strchr(set, gc->data) != NULL); } u_int window_copy_find_length(struct window_pane *wp, u_int py) { struct window_copy_mode_data *data = wp->modedata; struct screen *s = data->backing; const struct grid_cell *gc; u_int px; /* * If the pane has been resized, its grid can contain old overlong * lines. grid_peek_cell does not allow accessing cells beyond the * width of the grid, and screen_write_copy treats them as spaces, so * ignore them here too. */ px = s->grid->linedata[py].cellsize; if (px > screen_size_x(s)) px = screen_size_x(s); while (px > 0) { gc = grid_peek_cell(s->grid, px - 1, py); if (gc->flags & GRID_FLAG_UTF8) break; if (gc->data != ' ') break; px--; } return (px); } void window_copy_cursor_start_of_line(struct window_pane *wp) { struct window_copy_mode_data *data = wp->modedata; struct screen *back_s = data->backing; struct grid *gd = back_s->grid; u_int py; if (data->cx == 0) { py = screen_hsize(back_s) + data->cy - data->oy; while (py > 0 && gd->linedata[py-1].flags & GRID_LINE_WRAPPED) { window_copy_cursor_up(wp, 0); py = screen_hsize(back_s) + data->cy - data->oy; } } window_copy_update_cursor(wp, 0, data->cy); if (window_copy_update_selection(wp)) window_copy_redraw_lines(wp, data->cy, 1); } void window_copy_cursor_back_to_indentation(struct window_pane *wp) { struct window_copy_mode_data *data = wp->modedata; u_int px, py, xx; const struct grid_cell *gc; px = 0; py = screen_hsize(data->backing) + data->cy - data->oy; xx = window_copy_find_length(wp, py); while (px < xx) { gc = grid_peek_cell(data->backing->grid, px, py); if (gc->flags & GRID_FLAG_UTF8) break; if (gc->data != ' ') break; px++; } window_copy_update_cursor(wp, px, data->cy); if (window_copy_update_selection(wp)) window_copy_redraw_lines(wp, data->cy, 1); } void window_copy_cursor_end_of_line(struct window_pane *wp) { struct window_copy_mode_data *data = wp->modedata; struct screen *back_s = data->backing; struct grid *gd = back_s->grid; u_int px, py; py = screen_hsize(back_s) + data->cy - data->oy; px = window_copy_find_length(wp, py); if (data->cx == px) { if (data->screen.sel.flag && data->rectflag) px = screen_size_x(back_s); if (gd->linedata[py].flags & GRID_LINE_WRAPPED) { while (py < gd->sy + gd->hsize && gd->linedata[py].flags & GRID_LINE_WRAPPED) { window_copy_cursor_down(wp, 0); py = screen_hsize(back_s) + data->cy - data->oy; } px = window_copy_find_length(wp, py); } } window_copy_update_cursor(wp, px, data->cy); if (window_copy_update_selection(wp)) window_copy_redraw_lines(wp, data->cy, 1); } void window_copy_cursor_left(struct window_pane *wp) { struct window_copy_mode_data *data = wp->modedata; if (data->cx == 0) { window_copy_cursor_up(wp, 0); window_copy_cursor_end_of_line(wp); } else { window_copy_update_cursor(wp, data->cx - 1, data->cy); if (window_copy_update_selection(wp)) window_copy_redraw_lines(wp, data->cy, 1); } } void window_copy_cursor_right(struct window_pane *wp) { struct window_copy_mode_data *data = wp->modedata; u_int px, py; if (data->screen.sel.flag && data->rectflag) px = screen_size_x(&data->screen); else { py = screen_hsize(data->backing) + data->cy - data->oy; px = window_copy_find_length(wp, py); } if (data->cx >= px) { window_copy_cursor_start_of_line(wp); window_copy_cursor_down(wp, 0); } else { window_copy_update_cursor(wp, data->cx + 1, data->cy); if (window_copy_update_selection(wp)) window_copy_redraw_lines(wp, data->cy, 1); } } void window_copy_cursor_up(struct window_pane *wp, int scroll_only) { struct window_copy_mode_data *data = wp->modedata; struct screen *s = &data->screen; u_int ox, oy, px, py; oy = screen_hsize(data->backing) + data->cy - data->oy; ox = window_copy_find_length(wp, oy); if (ox != 0) { data->lastcx = data->cx; data->lastsx = ox; } data->cx = data->lastcx; if (scroll_only || data->cy == 0) { window_copy_scroll_down(wp, 1); if (scroll_only) { if (data->cy == screen_size_y(s) - 1) window_copy_redraw_lines(wp, data->cy, 1); else window_copy_redraw_lines(wp, data->cy, 2); } } else { window_copy_update_cursor(wp, data->cx, data->cy - 1); if (window_copy_update_selection(wp)) { if (data->cy == screen_size_y(s) - 1) window_copy_redraw_lines(wp, data->cy, 1); else window_copy_redraw_lines(wp, data->cy, 2); } } if (!data->screen.sel.flag || !data->rectflag) { py = screen_hsize(data->backing) + data->cy - data->oy; px = window_copy_find_length(wp, py); if ((data->cx >= data->lastsx && data->cx != px) || data->cx > px) window_copy_cursor_end_of_line(wp); } } void window_copy_cursor_down(struct window_pane *wp, int scroll_only) { struct window_copy_mode_data *data = wp->modedata; struct screen *s = &data->screen; u_int ox, oy, px, py; oy = screen_hsize(data->backing) + data->cy - data->oy; ox = window_copy_find_length(wp, oy); if (ox != 0) { data->lastcx = data->cx; data->lastsx = ox; } data->cx = data->lastcx; if (scroll_only || data->cy == screen_size_y(s) - 1) { window_copy_scroll_up(wp, 1); if (scroll_only && data->cy > 0) window_copy_redraw_lines(wp, data->cy - 1, 2); } else { window_copy_update_cursor(wp, data->cx, data->cy + 1); if (window_copy_update_selection(wp)) window_copy_redraw_lines(wp, data->cy - 1, 2); } if (!data->screen.sel.flag || !data->rectflag) { py = screen_hsize(data->backing) + data->cy - data->oy; px = window_copy_find_length(wp, py); if ((data->cx >= data->lastsx && data->cx != px) || data->cx > px) window_copy_cursor_end_of_line(wp); } } void window_copy_cursor_jump(struct window_pane *wp) { struct window_copy_mode_data *data = wp->modedata; struct screen *back_s = data->backing; const struct grid_cell *gc; uint px, py, xx; px = data->cx + 1; py = screen_hsize(back_s) + data->cy - data->oy; xx = window_copy_find_length(wp, py); while (px < xx) { gc = grid_peek_cell(back_s->grid, px, py); if ((gc->flags & (GRID_FLAG_PADDING|GRID_FLAG_UTF8)) == 0 && gc->data == data->jumpchar) { window_copy_update_cursor(wp, px, data->cy); if (window_copy_update_selection(wp)) window_copy_redraw_lines(wp, data->cy, 1); return; } px++; } } void window_copy_cursor_jump_back(struct window_pane *wp) { struct window_copy_mode_data *data = wp->modedata; struct screen *back_s = data->backing; const struct grid_cell *gc; uint px, py; px = data->cx; py = screen_hsize(back_s) + data->cy - data->oy; if (px > 0) px--; for (;;) { gc = grid_peek_cell(back_s->grid, px, py); if ((gc->flags & (GRID_FLAG_PADDING|GRID_FLAG_UTF8)) == 0 && gc->data == data->jumpchar) { window_copy_update_cursor(wp, px, data->cy); if (window_copy_update_selection(wp)) window_copy_redraw_lines(wp, data->cy, 1); return; } if (px == 0) break; px--; } } void window_copy_cursor_next_word(struct window_pane *wp, const char *separators) { struct window_copy_mode_data *data = wp->modedata; struct screen *back_s = data->backing; u_int px, py, xx, yy; int expected = 0; px = data->cx; py = screen_hsize(back_s) + data->cy - data->oy; xx = window_copy_find_length(wp, py); yy = screen_hsize(back_s) + screen_size_y(back_s) - 1; /* * First skip past any nonword characters and then any word characters. * * expected is initially set to 0 for the former and then 1 for the * latter. */ do { while (px > xx || window_copy_in_set(wp, px, py, separators) == expected) { /* Move down if we're past the end of the line. */ if (px > xx) { if (py == yy) return; window_copy_cursor_down(wp, 0); px = 0; py = screen_hsize(back_s) + data->cy - data->oy; xx = window_copy_find_length(wp, py); } else px++; } expected = !expected; } while (expected == 1); window_copy_update_cursor(wp, px, data->cy); if (window_copy_update_selection(wp)) window_copy_redraw_lines(wp, data->cy, 1); } void window_copy_cursor_next_word_end(struct window_pane *wp, const char *separators) { struct window_copy_mode_data *data = wp->modedata; struct screen *back_s = data->backing; u_int px, py, xx, yy; int expected = 1; px = data->cx; py = screen_hsize(back_s) + data->cy - data->oy; xx = window_copy_find_length(wp, py); yy = screen_hsize(back_s) + screen_size_y(back_s) - 1; /* * First skip past any word characters, then any nonword characters. * * expected is initially set to 1 for the former and then 0 for the * latter. */ do { while (px > xx || window_copy_in_set(wp, px, py, separators) == expected) { /* Move down if we're past the end of the line. */ if (px > xx) { if (py == yy) return; window_copy_cursor_down(wp, 0); px = 0; py = screen_hsize(back_s) + data->cy - data->oy; xx = window_copy_find_length(wp, py); } else px++; } expected = !expected; } while (expected == 0); window_copy_update_cursor(wp, px, data->cy); if (window_copy_update_selection(wp)) window_copy_redraw_lines(wp, data->cy, 1); } /* Move to the previous place where a word begins. */ void window_copy_cursor_previous_word(struct window_pane *wp, const char *separators) { struct window_copy_mode_data *data = wp->modedata; u_int px, py; px = data->cx; py = screen_hsize(data->backing) + data->cy - data->oy; /* Move back to the previous word character. */ for (;;) { if (px > 0) { px--; if (!window_copy_in_set(wp, px, py, separators)) break; } else { if (data->cy == 0 && (screen_hsize(data->backing) == 0 || data->oy >= screen_hsize(data->backing) - 1)) goto out; window_copy_cursor_up(wp, 0); py = screen_hsize(data->backing) + data->cy - data->oy; px = window_copy_find_length(wp, py); } } /* Move back to the beginning of this word. */ while (px > 0 && !window_copy_in_set(wp, px - 1, py, separators)) px--; out: window_copy_update_cursor(wp, px, data->cy); if (window_copy_update_selection(wp)) window_copy_redraw_lines(wp, data->cy, 1); } void window_copy_scroll_up(struct window_pane *wp, u_int ny) { struct window_copy_mode_data *data = wp->modedata; struct screen *s = &data->screen; struct screen_write_ctx ctx; if (data->oy < ny) ny = data->oy; if (ny == 0) return; data->oy -= ny; screen_write_start(&ctx, wp, NULL); screen_write_cursormove(&ctx, 0, 0); screen_write_deleteline(&ctx, ny); window_copy_write_lines(wp, &ctx, screen_size_y(s) - ny, ny); window_copy_write_line(wp, &ctx, 0); if (screen_size_y(s) > 1) window_copy_write_line(wp, &ctx, 1); if (screen_size_y(s) > 3) window_copy_write_line(wp, &ctx, screen_size_y(s) - 2); if (s->sel.flag && screen_size_y(s) > ny) { window_copy_update_selection(wp); window_copy_write_line(wp, &ctx, screen_size_y(s) - ny - 1); } screen_write_cursormove(&ctx, data->cx, data->cy); window_copy_update_selection(wp); screen_write_stop(&ctx); } void window_copy_scroll_down(struct window_pane *wp, u_int ny) { struct window_copy_mode_data *data = wp->modedata; struct screen *s = &data->screen; struct screen_write_ctx ctx; if (ny > screen_hsize(data->backing)) return; if (data->oy > screen_hsize(data->backing) - ny) ny = screen_hsize(data->backing) - data->oy; if (ny == 0) return; data->oy += ny; screen_write_start(&ctx, wp, NULL); screen_write_cursormove(&ctx, 0, 0); screen_write_insertline(&ctx, ny); window_copy_write_lines(wp, &ctx, 0, ny); if (s->sel.flag && screen_size_y(s) > ny) { window_copy_update_selection(wp); window_copy_write_line(wp, &ctx, ny); } else if (ny == 1) /* nuke position */ window_copy_write_line(wp, &ctx, 1); screen_write_cursormove(&ctx, data->cx, data->cy); window_copy_update_selection(wp); screen_write_stop(&ctx); } void window_copy_rectangle_toggle(struct window_pane *wp) { struct window_copy_mode_data *data = wp->modedata; u_int px, py; data->rectflag = !data->rectflag; py = screen_hsize(data->backing) + data->cy - data->oy; px = window_copy_find_length(wp, py); if (data->cx > px) window_copy_update_cursor(wp, px, data->cy); window_copy_update_selection(wp); window_copy_redraw_screen(wp); }