1 /* $OpenBSD: window-buffer.c,v 1.13 2018/02/28 08:55:44 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_pane *, 29 struct cmd_find_state *, struct args *); 30 static void window_buffer_free(struct window_pane *); 31 static void window_buffer_resize(struct window_pane *, u_int, 32 u_int); 33 static void window_buffer_key(struct window_pane *, 34 struct client *, struct session *, key_code, 35 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 45 .init = window_buffer_init, 46 .free = window_buffer_free, 47 .resize = window_buffer_resize, 48 .key = window_buffer_key, 49 }; 50 51 enum window_buffer_sort_type { 52 WINDOW_BUFFER_BY_TIME, 53 WINDOW_BUFFER_BY_NAME, 54 WINDOW_BUFFER_BY_SIZE, 55 }; 56 static const char *window_buffer_sort_list[] = { 57 "time", 58 "name", 59 "size" 60 }; 61 62 struct window_buffer_itemdata { 63 const char *name; 64 u_int order; 65 size_t size; 66 }; 67 68 struct window_buffer_modedata { 69 struct mode_tree_data *data; 70 char *command; 71 char *format; 72 73 struct window_buffer_itemdata **item_list; 74 u_int item_size; 75 }; 76 77 static struct window_buffer_itemdata * 78 window_buffer_add_item(struct window_buffer_modedata *data) 79 { 80 struct window_buffer_itemdata *item; 81 82 data->item_list = xreallocarray(data->item_list, data->item_size + 1, 83 sizeof *data->item_list); 84 item = data->item_list[data->item_size++] = xcalloc(1, sizeof *item); 85 return (item); 86 } 87 88 static void 89 window_buffer_free_item(struct window_buffer_itemdata *item) 90 { 91 free((void *)item->name); 92 free(item); 93 } 94 95 static int 96 window_buffer_cmp_name(const void *a0, const void *b0) 97 { 98 const struct window_buffer_itemdata *const *a = a0; 99 const struct window_buffer_itemdata *const *b = b0; 100 101 return (strcmp((*a)->name, (*b)->name)); 102 } 103 104 static int 105 window_buffer_cmp_time(const void *a0, const void *b0) 106 { 107 const struct window_buffer_itemdata *const *a = a0; 108 const struct window_buffer_itemdata *const *b = b0; 109 110 if ((*a)->order > (*b)->order) 111 return (-1); 112 if ((*a)->order < (*b)->order) 113 return (1); 114 return (strcmp((*a)->name, (*b)->name)); 115 } 116 117 static int 118 window_buffer_cmp_size(const void *a0, const void *b0) 119 { 120 const struct window_buffer_itemdata *const *a = a0; 121 const struct window_buffer_itemdata *const *b = b0; 122 123 if ((*a)->size > (*b)->size) 124 return (-1); 125 if ((*a)->size < (*b)->size) 126 return (1); 127 return (strcmp((*a)->name, (*b)->name)); 128 } 129 130 static void 131 window_buffer_build(void *modedata, u_int sort_type, __unused uint64_t *tag, 132 const char *filter) 133 { 134 struct window_buffer_modedata *data = modedata; 135 struct window_buffer_itemdata *item; 136 u_int i; 137 struct paste_buffer *pb; 138 char *text, *cp; 139 struct format_tree *ft; 140 141 for (i = 0; i < data->item_size; i++) 142 window_buffer_free_item(data->item_list[i]); 143 free(data->item_list); 144 data->item_list = NULL; 145 data->item_size = 0; 146 147 pb = NULL; 148 while ((pb = paste_walk(pb)) != NULL) { 149 item = window_buffer_add_item(data); 150 item->name = xstrdup(paste_buffer_name(pb)); 151 paste_buffer_data(pb, &item->size); 152 item->order = paste_buffer_order(pb); 153 } 154 155 switch (sort_type) { 156 case WINDOW_BUFFER_BY_NAME: 157 qsort(data->item_list, data->item_size, sizeof *data->item_list, 158 window_buffer_cmp_name); 159 break; 160 case WINDOW_BUFFER_BY_TIME: 161 qsort(data->item_list, data->item_size, sizeof *data->item_list, 162 window_buffer_cmp_time); 163 break; 164 case WINDOW_BUFFER_BY_SIZE: 165 qsort(data->item_list, data->item_size, sizeof *data->item_list, 166 window_buffer_cmp_size); 167 break; 168 } 169 170 for (i = 0; i < data->item_size; i++) { 171 item = data->item_list[i]; 172 173 pb = paste_get_name(item->name); 174 if (pb == NULL) 175 continue; 176 ft = format_create(NULL, NULL, FORMAT_NONE, 0); 177 format_defaults_paste_buffer(ft, pb); 178 179 if (filter != NULL) { 180 cp = format_expand(ft, filter); 181 if (!format_true(cp)) { 182 free(cp); 183 format_free(ft); 184 continue; 185 } 186 free(cp); 187 } 188 189 text = format_expand(ft, data->format); 190 mode_tree_add(data->data, NULL, item, item->order, item->name, 191 text, -1); 192 free(text); 193 194 format_free(ft); 195 } 196 197 } 198 199 static void 200 window_buffer_draw(__unused void *modedata, void *itemdata, 201 struct screen_write_ctx *ctx, u_int sx, u_int sy) 202 { 203 struct window_buffer_itemdata *item = itemdata; 204 struct paste_buffer *pb; 205 char line[1024]; 206 const char *pdata, *end, *cp; 207 size_t psize, at; 208 u_int i, cx = ctx->s->cx, cy = ctx->s->cy; 209 210 pb = paste_get_name(item->name); 211 if (pb == NULL) 212 return; 213 214 pdata = end = paste_buffer_data(pb, &psize); 215 for (i = 0; i < sy; i++) { 216 at = 0; 217 while (end != pdata + psize && *end != '\n') { 218 if ((sizeof line) - at > 5) { 219 cp = vis(line + at, *end, VIS_TAB|VIS_OCTAL, 0); 220 at = cp - line; 221 } 222 end++; 223 } 224 if (at > sx) 225 at = sx; 226 line[at] = '\0'; 227 228 if (*line != '\0') { 229 screen_write_cursormove(ctx, cx, cy + i); 230 screen_write_puts(ctx, &grid_default_cell, "%s", line); 231 } 232 233 if (end == pdata + psize) 234 break; 235 end++; 236 } 237 } 238 239 static int 240 window_buffer_search(__unused void *modedata, void *itemdata, const char *ss) 241 { 242 struct window_buffer_itemdata *item = itemdata; 243 struct paste_buffer *pb; 244 const char *bufdata; 245 size_t bufsize; 246 247 if ((pb = paste_get_name(item->name)) == NULL) 248 return (0); 249 if (strstr(item->name, ss) != NULL) 250 return (1); 251 bufdata = paste_buffer_data(pb, &bufsize); 252 return (memmem(bufdata, bufsize, ss, strlen(ss)) != NULL); 253 } 254 255 static struct screen * 256 window_buffer_init(struct window_pane *wp, __unused struct cmd_find_state *fs, 257 struct args *args) 258 { 259 struct window_buffer_modedata *data; 260 struct screen *s; 261 262 wp->modedata = data = xcalloc(1, sizeof *data); 263 264 if (args == NULL || !args_has(args, 'F')) 265 data->format = xstrdup(WINDOW_BUFFER_DEFAULT_FORMAT); 266 else 267 data->format = xstrdup(args_get(args, 'F')); 268 if (args == NULL || args->argc == 0) 269 data->command = xstrdup(WINDOW_BUFFER_DEFAULT_COMMAND); 270 else 271 data->command = xstrdup(args->argv[0]); 272 273 data->data = mode_tree_start(wp, args, window_buffer_build, 274 window_buffer_draw, window_buffer_search, data, 275 window_buffer_sort_list, nitems(window_buffer_sort_list), &s); 276 mode_tree_zoom(data->data, args); 277 278 mode_tree_build(data->data); 279 mode_tree_draw(data->data); 280 281 return (s); 282 } 283 284 static void 285 window_buffer_free(struct window_pane *wp) 286 { 287 struct window_buffer_modedata *data = wp->modedata; 288 u_int i; 289 290 if (data == NULL) 291 return; 292 293 mode_tree_free(data->data); 294 295 for (i = 0; i < data->item_size; i++) 296 window_buffer_free_item(data->item_list[i]); 297 free(data->item_list); 298 299 free(data->format); 300 free(data->command); 301 302 free(data); 303 } 304 305 static void 306 window_buffer_resize(struct window_pane *wp, u_int sx, u_int sy) 307 { 308 struct window_buffer_modedata *data = wp->modedata; 309 310 mode_tree_resize(data->data, sx, sy); 311 } 312 313 static void 314 window_buffer_do_delete(void* modedata, void *itemdata, 315 __unused struct client *c, __unused key_code key) 316 { 317 struct window_buffer_modedata *data = modedata; 318 struct window_buffer_itemdata *item = itemdata; 319 struct paste_buffer *pb; 320 321 if (item == mode_tree_get_current(data->data)) 322 mode_tree_down(data->data, 0); 323 if ((pb = paste_get_name(item->name)) != NULL) 324 paste_free(pb); 325 } 326 327 static void 328 window_buffer_do_paste(void* modedata, void *itemdata, struct client *c, 329 __unused key_code key) 330 { 331 struct window_buffer_modedata *data = modedata; 332 struct window_buffer_itemdata *item = itemdata; 333 struct paste_buffer *pb; 334 335 if ((pb = paste_get_name(item->name)) != NULL) 336 mode_tree_run_command(c, NULL, data->command, item->name); 337 } 338 339 static void 340 window_buffer_key(struct window_pane *wp, struct client *c, 341 __unused struct session *s, key_code key, struct mouse_event *m) 342 { 343 struct window_buffer_modedata *data = wp->modedata; 344 struct mode_tree_data *mtd = data->data; 345 struct window_buffer_itemdata *item; 346 int finished; 347 348 finished = mode_tree_key(mtd, c, &key, m, NULL, NULL); 349 switch (key) { 350 case 'd': 351 item = mode_tree_get_current(mtd); 352 window_buffer_do_delete(data, item, c, key); 353 mode_tree_build(mtd); 354 break; 355 case 'D': 356 mode_tree_each_tagged(mtd, window_buffer_do_delete, c, key, 0); 357 mode_tree_build(mtd); 358 break; 359 case 'P': 360 mode_tree_each_tagged(mtd, window_buffer_do_paste, c, key, 0); 361 finished = 1; 362 break; 363 case 'p': 364 case '\r': 365 item = mode_tree_get_current(mtd); 366 window_buffer_do_paste(data, item, c, key); 367 finished = 1; 368 break; 369 } 370 if (finished || paste_get_top(NULL) == NULL) 371 window_pane_reset_mode(wp); 372 else { 373 mode_tree_draw(mtd); 374 wp->flags |= PANE_REDRAW; 375 } 376 } 377