1 /* $OpenBSD: window-buffer.c,v 1.17 2019/03/18 14:10:25 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2017 Nicholas Marriott <nicholas.marriott@gmail.com> 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 <stdlib.h> 22 #include <string.h> 23 #include <time.h> 24 #include <vis.h> 25 26 #include "tmux.h" 27 28 static struct screen *window_buffer_init(struct window_mode_entry *, 29 struct cmd_find_state *, struct args *); 30 static void window_buffer_free(struct window_mode_entry *); 31 static void window_buffer_resize(struct window_mode_entry *, u_int, 32 u_int); 33 static void window_buffer_key(struct window_mode_entry *, 34 struct client *, struct session *, 35 struct winlink *, key_code, struct mouse_event *); 36 37 #define WINDOW_BUFFER_DEFAULT_COMMAND "paste-buffer -b '%%'" 38 39 #define WINDOW_BUFFER_DEFAULT_FORMAT \ 40 "#{buffer_size} bytes (#{t:buffer_created})" 41 42 const struct window_mode window_buffer_mode = { 43 .name = "buffer-mode", 44 .default_format = WINDOW_BUFFER_DEFAULT_FORMAT, 45 46 .init = window_buffer_init, 47 .free = window_buffer_free, 48 .resize = window_buffer_resize, 49 .key = window_buffer_key, 50 }; 51 52 enum window_buffer_sort_type { 53 WINDOW_BUFFER_BY_TIME, 54 WINDOW_BUFFER_BY_NAME, 55 WINDOW_BUFFER_BY_SIZE, 56 }; 57 static const char *window_buffer_sort_list[] = { 58 "time", 59 "name", 60 "size" 61 }; 62 63 struct window_buffer_itemdata { 64 const char *name; 65 u_int order; 66 size_t size; 67 }; 68 69 struct window_buffer_modedata { 70 struct mode_tree_data *data; 71 char *command; 72 char *format; 73 74 struct window_buffer_itemdata **item_list; 75 u_int item_size; 76 }; 77 78 static struct window_buffer_itemdata * 79 window_buffer_add_item(struct window_buffer_modedata *data) 80 { 81 struct window_buffer_itemdata *item; 82 83 data->item_list = xreallocarray(data->item_list, data->item_size + 1, 84 sizeof *data->item_list); 85 item = data->item_list[data->item_size++] = xcalloc(1, sizeof *item); 86 return (item); 87 } 88 89 static void 90 window_buffer_free_item(struct window_buffer_itemdata *item) 91 { 92 free((void *)item->name); 93 free(item); 94 } 95 96 static int 97 window_buffer_cmp_name(const void *a0, const void *b0) 98 { 99 const struct window_buffer_itemdata *const *a = a0; 100 const struct window_buffer_itemdata *const *b = b0; 101 102 return (strcmp((*a)->name, (*b)->name)); 103 } 104 105 static int 106 window_buffer_cmp_time(const void *a0, const void *b0) 107 { 108 const struct window_buffer_itemdata *const *a = a0; 109 const struct window_buffer_itemdata *const *b = b0; 110 111 if ((*a)->order > (*b)->order) 112 return (-1); 113 if ((*a)->order < (*b)->order) 114 return (1); 115 return (strcmp((*a)->name, (*b)->name)); 116 } 117 118 static int 119 window_buffer_cmp_size(const void *a0, const void *b0) 120 { 121 const struct window_buffer_itemdata *const *a = a0; 122 const struct window_buffer_itemdata *const *b = b0; 123 124 if ((*a)->size > (*b)->size) 125 return (-1); 126 if ((*a)->size < (*b)->size) 127 return (1); 128 return (strcmp((*a)->name, (*b)->name)); 129 } 130 131 static void 132 window_buffer_build(void *modedata, u_int sort_type, __unused uint64_t *tag, 133 const char *filter) 134 { 135 struct window_buffer_modedata *data = modedata; 136 struct window_buffer_itemdata *item; 137 u_int i; 138 struct paste_buffer *pb; 139 char *text, *cp; 140 struct format_tree *ft; 141 142 for (i = 0; i < data->item_size; i++) 143 window_buffer_free_item(data->item_list[i]); 144 free(data->item_list); 145 data->item_list = NULL; 146 data->item_size = 0; 147 148 pb = NULL; 149 while ((pb = paste_walk(pb)) != NULL) { 150 item = window_buffer_add_item(data); 151 item->name = xstrdup(paste_buffer_name(pb)); 152 paste_buffer_data(pb, &item->size); 153 item->order = paste_buffer_order(pb); 154 } 155 156 switch (sort_type) { 157 case WINDOW_BUFFER_BY_NAME: 158 qsort(data->item_list, data->item_size, sizeof *data->item_list, 159 window_buffer_cmp_name); 160 break; 161 case WINDOW_BUFFER_BY_TIME: 162 qsort(data->item_list, data->item_size, sizeof *data->item_list, 163 window_buffer_cmp_time); 164 break; 165 case WINDOW_BUFFER_BY_SIZE: 166 qsort(data->item_list, data->item_size, sizeof *data->item_list, 167 window_buffer_cmp_size); 168 break; 169 } 170 171 for (i = 0; i < data->item_size; i++) { 172 item = data->item_list[i]; 173 174 pb = paste_get_name(item->name); 175 if (pb == NULL) 176 continue; 177 ft = format_create(NULL, NULL, FORMAT_NONE, 0); 178 format_defaults_paste_buffer(ft, pb); 179 180 if (filter != NULL) { 181 cp = format_expand(ft, filter); 182 if (!format_true(cp)) { 183 free(cp); 184 format_free(ft); 185 continue; 186 } 187 free(cp); 188 } 189 190 text = format_expand(ft, data->format); 191 mode_tree_add(data->data, NULL, item, item->order, item->name, 192 text, -1); 193 free(text); 194 195 format_free(ft); 196 } 197 198 } 199 200 static void 201 window_buffer_draw(__unused void *modedata, void *itemdata, 202 struct screen_write_ctx *ctx, u_int sx, u_int sy) 203 { 204 struct window_buffer_itemdata *item = itemdata; 205 struct paste_buffer *pb; 206 char line[1024]; 207 const char *pdata, *end, *cp; 208 size_t psize, at; 209 u_int i, cx = ctx->s->cx, cy = ctx->s->cy; 210 211 pb = paste_get_name(item->name); 212 if (pb == NULL) 213 return; 214 215 pdata = end = paste_buffer_data(pb, &psize); 216 for (i = 0; i < sy; i++) { 217 at = 0; 218 while (end != pdata + psize && *end != '\n') { 219 if ((sizeof line) - at > 5) { 220 cp = vis(line + at, *end, VIS_TAB|VIS_OCTAL, 0); 221 at = cp - line; 222 } 223 end++; 224 } 225 if (at > sx) 226 at = sx; 227 line[at] = '\0'; 228 229 if (*line != '\0') { 230 screen_write_cursormove(ctx, cx, cy + i, 0); 231 screen_write_puts(ctx, &grid_default_cell, "%s", line); 232 } 233 234 if (end == pdata + psize) 235 break; 236 end++; 237 } 238 } 239 240 static int 241 window_buffer_search(__unused void *modedata, void *itemdata, const char *ss) 242 { 243 struct window_buffer_itemdata *item = itemdata; 244 struct paste_buffer *pb; 245 const char *bufdata; 246 size_t bufsize; 247 248 if ((pb = paste_get_name(item->name)) == NULL) 249 return (0); 250 if (strstr(item->name, ss) != NULL) 251 return (1); 252 bufdata = paste_buffer_data(pb, &bufsize); 253 return (memmem(bufdata, bufsize, ss, strlen(ss)) != NULL); 254 } 255 256 static struct screen * 257 window_buffer_init(struct window_mode_entry *wme, 258 __unused struct cmd_find_state *fs, struct args *args) 259 { 260 struct window_pane *wp = wme->wp; 261 struct window_buffer_modedata *data; 262 struct screen *s; 263 264 wme->data = data = xcalloc(1, sizeof *data); 265 266 if (args == NULL || !args_has(args, 'F')) 267 data->format = xstrdup(WINDOW_BUFFER_DEFAULT_FORMAT); 268 else 269 data->format = xstrdup(args_get(args, 'F')); 270 if (args == NULL || args->argc == 0) 271 data->command = xstrdup(WINDOW_BUFFER_DEFAULT_COMMAND); 272 else 273 data->command = xstrdup(args->argv[0]); 274 275 data->data = mode_tree_start(wp, args, window_buffer_build, 276 window_buffer_draw, window_buffer_search, data, 277 window_buffer_sort_list, nitems(window_buffer_sort_list), &s); 278 mode_tree_zoom(data->data, args); 279 280 mode_tree_build(data->data); 281 mode_tree_draw(data->data); 282 283 return (s); 284 } 285 286 static void 287 window_buffer_free(struct window_mode_entry *wme) 288 { 289 struct window_buffer_modedata *data = wme->data; 290 u_int i; 291 292 if (data == NULL) 293 return; 294 295 mode_tree_free(data->data); 296 297 for (i = 0; i < data->item_size; i++) 298 window_buffer_free_item(data->item_list[i]); 299 free(data->item_list); 300 301 free(data->format); 302 free(data->command); 303 304 free(data); 305 } 306 307 static void 308 window_buffer_resize(struct window_mode_entry *wme, u_int sx, u_int sy) 309 { 310 struct window_buffer_modedata *data = wme->data; 311 312 mode_tree_resize(data->data, sx, sy); 313 } 314 315 static void 316 window_buffer_do_delete(void* modedata, void *itemdata, 317 __unused struct client *c, __unused key_code key) 318 { 319 struct window_buffer_modedata *data = modedata; 320 struct window_buffer_itemdata *item = itemdata; 321 struct paste_buffer *pb; 322 323 if (item == mode_tree_get_current(data->data)) 324 mode_tree_down(data->data, 0); 325 if ((pb = paste_get_name(item->name)) != NULL) 326 paste_free(pb); 327 } 328 329 static void 330 window_buffer_do_paste(void* modedata, void *itemdata, struct client *c, 331 __unused key_code key) 332 { 333 struct window_buffer_modedata *data = modedata; 334 struct window_buffer_itemdata *item = itemdata; 335 struct paste_buffer *pb; 336 337 if ((pb = paste_get_name(item->name)) != NULL) 338 mode_tree_run_command(c, NULL, data->command, item->name); 339 } 340 341 static void 342 window_buffer_key(struct window_mode_entry *wme, struct client *c, 343 __unused struct session *s, __unused struct winlink *wl, key_code key, 344 struct mouse_event *m) 345 { 346 struct window_pane *wp = wme->wp; 347 struct window_buffer_modedata *data = wme->data; 348 struct mode_tree_data *mtd = data->data; 349 struct window_buffer_itemdata *item; 350 int finished; 351 352 finished = mode_tree_key(mtd, c, &key, m, NULL, NULL); 353 switch (key) { 354 case 'd': 355 item = mode_tree_get_current(mtd); 356 window_buffer_do_delete(data, item, c, key); 357 mode_tree_build(mtd); 358 break; 359 case 'D': 360 mode_tree_each_tagged(mtd, window_buffer_do_delete, c, key, 0); 361 mode_tree_build(mtd); 362 break; 363 case 'P': 364 mode_tree_each_tagged(mtd, window_buffer_do_paste, c, key, 0); 365 finished = 1; 366 break; 367 case 'p': 368 case '\r': 369 item = mode_tree_get_current(mtd); 370 window_buffer_do_paste(data, item, c, key); 371 finished = 1; 372 break; 373 } 374 if (finished || paste_get_top(NULL) == NULL) 375 window_pane_reset_mode(wp); 376 else { 377 mode_tree_draw(mtd); 378 wp->flags |= PANE_REDRAW; 379 } 380 } 381