/* $OpenBSD: window-buffer.c,v 1.33 2021/04/12 06:50:25 nicm Exp $ */ /* * Copyright (c) 2017 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 #include #include #include "tmux.h" static struct screen *window_buffer_init(struct window_mode_entry *, struct cmd_find_state *, struct args *); static void window_buffer_free(struct window_mode_entry *); static void window_buffer_resize(struct window_mode_entry *, u_int, u_int); static void window_buffer_update(struct window_mode_entry *); static void window_buffer_key(struct window_mode_entry *, struct client *, struct session *, struct winlink *, key_code, struct mouse_event *); #define WINDOW_BUFFER_DEFAULT_COMMAND "paste-buffer -b '%%'" #define WINDOW_BUFFER_DEFAULT_FORMAT \ "#{t/p:buffer_created}: #{buffer_sample}" #define WINDOW_BUFFER_DEFAULT_KEY_FORMAT \ "#{?#{e|<:#{line},10}," \ "#{line}" \ "," \ "#{?#{e|<:#{line},36}," \ "M-#{a:#{e|+:97,#{e|-:#{line},10}}}" \ "," \ "" \ "}" \ "}" static const struct menu_item window_buffer_menu_items[] = { { "Paste", 'p', NULL }, { "Paste Tagged", 'P', NULL }, { "", KEYC_NONE, NULL }, { "Tag", 't', NULL }, { "Tag All", '\024', NULL }, { "Tag None", 'T', NULL }, { "", KEYC_NONE, NULL }, { "Delete", 'd', NULL }, { "Delete Tagged", 'D', NULL }, { "", KEYC_NONE, NULL }, { "Cancel", 'q', NULL }, { NULL, KEYC_NONE, NULL } }; const struct window_mode window_buffer_mode = { .name = "buffer-mode", .default_format = WINDOW_BUFFER_DEFAULT_FORMAT, .init = window_buffer_init, .free = window_buffer_free, .resize = window_buffer_resize, .update = window_buffer_update, .key = window_buffer_key, }; enum window_buffer_sort_type { WINDOW_BUFFER_BY_TIME, WINDOW_BUFFER_BY_NAME, WINDOW_BUFFER_BY_SIZE, }; static const char *window_buffer_sort_list[] = { "time", "name", "size" }; static struct mode_tree_sort_criteria *window_buffer_sort; struct window_buffer_itemdata { const char *name; u_int order; size_t size; }; struct window_buffer_modedata { struct window_pane *wp; struct cmd_find_state fs; struct mode_tree_data *data; char *command; char *format; char *key_format; struct window_buffer_itemdata **item_list; u_int item_size; }; struct window_buffer_editdata { u_int wp_id; char *name; struct paste_buffer *pb; }; static struct window_buffer_itemdata * window_buffer_add_item(struct window_buffer_modedata *data) { struct window_buffer_itemdata *item; data->item_list = xreallocarray(data->item_list, data->item_size + 1, sizeof *data->item_list); item = data->item_list[data->item_size++] = xcalloc(1, sizeof *item); return (item); } static void window_buffer_free_item(struct window_buffer_itemdata *item) { free((void *)item->name); free(item); } static int window_buffer_cmp(const void *a0, const void *b0) { const struct window_buffer_itemdata *const *a = a0; const struct window_buffer_itemdata *const *b = b0; int result = 0; if (window_buffer_sort->field == WINDOW_BUFFER_BY_TIME) result = (*b)->order - (*a)->order; else if (window_buffer_sort->field == WINDOW_BUFFER_BY_SIZE) result = (*b)->size - (*a)->size; /* Use WINDOW_BUFFER_BY_NAME as default order and tie breaker. */ if (result == 0) result = strcmp((*a)->name, (*b)->name); if (window_buffer_sort->reversed) result = -result; return (result); } static void window_buffer_build(void *modedata, struct mode_tree_sort_criteria *sort_crit, __unused uint64_t *tag, const char *filter) { struct window_buffer_modedata *data = modedata; struct window_buffer_itemdata *item; u_int i; struct paste_buffer *pb; char *text, *cp; struct format_tree *ft; struct session *s = NULL; struct winlink *wl = NULL; struct window_pane *wp = NULL; for (i = 0; i < data->item_size; i++) window_buffer_free_item(data->item_list[i]); free(data->item_list); data->item_list = NULL; data->item_size = 0; pb = NULL; while ((pb = paste_walk(pb)) != NULL) { item = window_buffer_add_item(data); item->name = xstrdup(paste_buffer_name(pb)); paste_buffer_data(pb, &item->size); item->order = paste_buffer_order(pb); } window_buffer_sort = sort_crit; qsort(data->item_list, data->item_size, sizeof *data->item_list, window_buffer_cmp); if (cmd_find_valid_state(&data->fs)) { s = data->fs.s; wl = data->fs.wl; wp = data->fs.wp; } for (i = 0; i < data->item_size; i++) { item = data->item_list[i]; pb = paste_get_name(item->name); if (pb == NULL) continue; ft = format_create(NULL, NULL, FORMAT_NONE, 0); format_defaults(ft, NULL, s, wl, wp); format_defaults_paste_buffer(ft, pb); if (filter != NULL) { cp = format_expand(ft, filter); if (!format_true(cp)) { free(cp); format_free(ft); continue; } free(cp); } text = format_expand(ft, data->format); mode_tree_add(data->data, NULL, item, item->order, item->name, text, -1); free(text); format_free(ft); } } static void window_buffer_draw(__unused void *modedata, void *itemdata, struct screen_write_ctx *ctx, u_int sx, u_int sy) { struct window_buffer_itemdata *item = itemdata; struct paste_buffer *pb; const char *pdata, *start, *end; char *buf = NULL; size_t psize; u_int i, cx = ctx->s->cx, cy = ctx->s->cy; pb = paste_get_name(item->name); if (pb == NULL) return; pdata = end = paste_buffer_data(pb, &psize); for (i = 0; i < sy; i++) { start = end; while (end != pdata + psize && *end != '\n') end++; buf = xreallocarray(buf, 4, end - start + 1); utf8_strvis(buf, start, end - start, VIS_OCTAL|VIS_CSTYLE|VIS_TAB); if (*buf != '\0') { screen_write_cursormove(ctx, cx, cy + i, 0); screen_write_nputs(ctx, sx, &grid_default_cell, "%s", buf); } if (end == pdata + psize) break; end++; } free(buf); } static int window_buffer_search(__unused void *modedata, void *itemdata, const char *ss) { struct window_buffer_itemdata *item = itemdata; struct paste_buffer *pb; const char *bufdata; size_t bufsize; if ((pb = paste_get_name(item->name)) == NULL) return (0); if (strstr(item->name, ss) != NULL) return (1); bufdata = paste_buffer_data(pb, &bufsize); return (memmem(bufdata, bufsize, ss, strlen(ss)) != NULL); } static void window_buffer_menu(void *modedata, struct client *c, key_code key) { struct window_buffer_modedata *data = modedata; struct window_pane *wp = data->wp; struct window_mode_entry *wme; wme = TAILQ_FIRST(&wp->modes); if (wme == NULL || wme->data != modedata) return; window_buffer_key(wme, c, NULL, NULL, key, NULL); } static key_code window_buffer_get_key(void *modedata, void *itemdata, u_int line) { struct window_buffer_modedata *data = modedata; struct window_buffer_itemdata *item = itemdata; struct format_tree *ft; struct session *s; struct winlink *wl; struct window_pane *wp; struct paste_buffer *pb; char *expanded; key_code key; if (cmd_find_valid_state(&data->fs)) { s = data->fs.s; wl = data->fs.wl; wp = data->fs.wp; } pb = paste_get_name(item->name); if (pb == NULL) return KEYC_NONE; ft = format_create(NULL, NULL, FORMAT_NONE, 0); format_defaults(ft, NULL, NULL, 0, NULL); format_defaults(ft, NULL, s, wl, wp); format_defaults_paste_buffer(ft, pb); format_add(ft, "line", "%u", line); expanded = format_expand(ft, data->key_format); key = key_string_lookup_string(expanded); free(expanded); format_free(ft); return key; } static struct screen * window_buffer_init(struct window_mode_entry *wme, struct cmd_find_state *fs, struct args *args) { struct window_pane *wp = wme->wp; struct window_buffer_modedata *data; struct screen *s; wme->data = data = xcalloc(1, sizeof *data); data->wp = wp; cmd_find_copy_state(&data->fs, fs); if (args == NULL || !args_has(args, 'F')) data->format = xstrdup(WINDOW_BUFFER_DEFAULT_FORMAT); else data->format = xstrdup(args_get(args, 'F')); if (args == NULL || !args_has(args, 'K')) data->key_format = xstrdup(WINDOW_BUFFER_DEFAULT_KEY_FORMAT); else data->key_format = xstrdup(args_get(args, 'K')); if (args == NULL || args->argc == 0) data->command = xstrdup(WINDOW_BUFFER_DEFAULT_COMMAND); else data->command = xstrdup(args->argv[0]); data->data = mode_tree_start(wp, args, window_buffer_build, window_buffer_draw, window_buffer_search, window_buffer_menu, NULL, window_buffer_get_key, data, window_buffer_menu_items, window_buffer_sort_list, nitems(window_buffer_sort_list), &s); mode_tree_zoom(data->data, args); mode_tree_build(data->data); mode_tree_draw(data->data); return (s); } static void window_buffer_free(struct window_mode_entry *wme) { struct window_buffer_modedata *data = wme->data; u_int i; if (data == NULL) return; mode_tree_free(data->data); for (i = 0; i < data->item_size; i++) window_buffer_free_item(data->item_list[i]); free(data->item_list); free(data->format); free(data->key_format); free(data->command); free(data); } static void window_buffer_resize(struct window_mode_entry *wme, u_int sx, u_int sy) { struct window_buffer_modedata *data = wme->data; mode_tree_resize(data->data, sx, sy); } static void window_buffer_update(struct window_mode_entry *wme) { struct window_buffer_modedata *data = wme->data; mode_tree_build(data->data); mode_tree_draw(data->data); data->wp->flags |= PANE_REDRAW; } static void window_buffer_do_delete(void *modedata, void *itemdata, __unused struct client *c, __unused key_code key) { struct window_buffer_modedata *data = modedata; struct window_buffer_itemdata *item = itemdata; struct paste_buffer *pb; if (item == mode_tree_get_current(data->data)) mode_tree_down(data->data, 0); if ((pb = paste_get_name(item->name)) != NULL) paste_free(pb); } static void window_buffer_do_paste(void *modedata, void *itemdata, struct client *c, __unused key_code key) { struct window_buffer_modedata *data = modedata; struct window_buffer_itemdata *item = itemdata; if (paste_get_name(item->name) != NULL) mode_tree_run_command(c, NULL, data->command, item->name); } static void window_buffer_finish_edit(struct window_buffer_editdata *ed) { free(ed->name); free(ed); } static void window_buffer_edit_close_cb(char *buf, size_t len, void *arg) { struct window_buffer_editdata *ed = arg; size_t oldlen; const char *oldbuf; struct paste_buffer *pb; struct window_pane *wp; struct window_buffer_modedata *data; struct window_mode_entry *wme; if (buf == NULL || len == 0) { window_buffer_finish_edit(ed); return; } pb = paste_get_name(ed->name); if (pb == NULL || pb != ed->pb) { window_buffer_finish_edit(ed); return; } oldbuf = paste_buffer_data(pb, &oldlen); if (oldlen != '\0' && oldbuf[oldlen - 1] != '\n' && buf[len - 1] == '\n') len--; if (len != 0) paste_replace(pb, buf, len); wp = window_pane_find_by_id(ed->wp_id); if (wp != NULL) { wme = TAILQ_FIRST(&wp->modes); if (wme->mode == &window_buffer_mode) { data = wme->data; mode_tree_build(data->data); mode_tree_draw(data->data); } wp->flags |= PANE_REDRAW; } window_buffer_finish_edit(ed); } static void window_buffer_start_edit(struct window_buffer_modedata *data, struct window_buffer_itemdata *item, struct client *c) { struct paste_buffer *pb; const char *buf; size_t len; struct window_buffer_editdata *ed; if ((pb = paste_get_name(item->name)) == NULL) return; buf = paste_buffer_data(pb, &len); ed = xcalloc(1, sizeof *ed); ed->wp_id = data->wp->id; ed->name = xstrdup(paste_buffer_name(pb)); ed->pb = pb; if (popup_editor(c, buf, len, window_buffer_edit_close_cb, ed) != 0) window_buffer_finish_edit(ed); } static void window_buffer_key(struct window_mode_entry *wme, struct client *c, __unused struct session *s, __unused struct winlink *wl, key_code key, struct mouse_event *m) { struct window_pane *wp = wme->wp; struct window_buffer_modedata *data = wme->data; struct mode_tree_data *mtd = data->data; struct window_buffer_itemdata *item; int finished; finished = mode_tree_key(mtd, c, &key, m, NULL, NULL); switch (key) { case 'e': item = mode_tree_get_current(mtd); window_buffer_start_edit(data, item, c); break; case 'd': item = mode_tree_get_current(mtd); window_buffer_do_delete(data, item, c, key); mode_tree_build(mtd); break; case 'D': mode_tree_each_tagged(mtd, window_buffer_do_delete, c, key, 0); mode_tree_build(mtd); break; case 'P': mode_tree_each_tagged(mtd, window_buffer_do_paste, c, key, 0); finished = 1; break; case 'p': case '\r': item = mode_tree_get_current(mtd); window_buffer_do_paste(data, item, c, key); finished = 1; break; } if (finished || paste_get_top(NULL) == NULL) window_pane_reset_mode(wp); else { mode_tree_draw(mtd); wp->flags |= PANE_REDRAW; } }