Annotation of src/usr.bin/tmux/window-buffer.c, Revision 1.9
1.9 ! nicm 1: /* $OpenBSD: window-buffer.c,v 1.8 2017/06/09 16:01:39 nicm Exp $ */
1.1 nicm 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>
1.2 nicm 23: #include <time.h>
1.1 nicm 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:
1.9 ! nicm 39: #define WINDOW_BUFFER_DEFAULT_FORMAT \
! 40: "#{buffer_size} bytes (#{t:buffer_created})"
! 41:
1.1 nicm 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 {
1.6 nicm 52: WINDOW_BUFFER_BY_TIME,
1.1 nicm 53: WINDOW_BUFFER_BY_NAME,
54: WINDOW_BUFFER_BY_SIZE,
55: };
56: static const char *window_buffer_sort_list[] = {
1.6 nicm 57: "time",
1.1 nicm 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;
1.9 ! nicm 71: char *format;
1.1 nicm 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
1.8 nicm 131: window_buffer_build(void *modedata, u_int sort_type, __unused uint64_t *tag,
132: const char *filter)
1.1 nicm 133: {
134: struct window_buffer_modedata *data = modedata;
135: struct window_buffer_itemdata *item;
136: u_int i;
137: struct paste_buffer *pb;
1.9 ! nicm 138: char *text, *cp;
1.8 nicm 139: struct format_tree *ft;
1.1 nicm 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];
1.8 nicm 172:
1.9 ! nicm 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:
1.8 nicm 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: }
1.1 nicm 188:
1.9 ! nicm 189: text = format_expand(ft, data->format);
1.1 nicm 190: mode_tree_add(data->data, NULL, item, item->order, item->name,
191: text, -1);
192: free(text);
1.9 ! nicm 193:
! 194: format_free(ft);
1.1 nicm 195: }
196:
197: }
198:
199: static struct screen *
200: window_buffer_draw(__unused void *modedata, void *itemdata, u_int sx, u_int sy)
201: {
202: struct window_buffer_itemdata *item = itemdata;
203: struct paste_buffer *pb;
204: static struct screen s;
205: struct screen_write_ctx ctx;
206: char line[1024];
207: const char *pdata, *end, *cp;
208: size_t psize, at;
209: u_int i;
210:
211: pb = paste_get_name(item->name);
212: if (pb == NULL)
213: return (NULL);
214:
215: screen_init(&s, sx, sy, 0);
216:
217: screen_write_start(&ctx, NULL, &s);
218: screen_write_clearscreen(&ctx, 8);
219:
1.3 nicm 220: pdata = end = paste_buffer_data(pb, &psize);
1.1 nicm 221: for (i = 0; i < sy; i++) {
222: at = 0;
223: while (end != pdata + psize && *end != '\n') {
224: if ((sizeof line) - at > 5) {
225: cp = vis(line + at, *end, VIS_TAB|VIS_OCTAL, 0);
226: at = cp - line;
227: }
228: end++;
229: }
230: if (at > sx)
231: at = sx;
232: line[at] = '\0';
233:
234: if (*line != '\0') {
235: screen_write_cursormove(&ctx, 0, i);
236: screen_write_puts(&ctx, &grid_default_cell, "%s", line);
237: }
238:
239: if (end == pdata + psize)
240: break;
241: end++;
242: }
243:
244: screen_write_stop(&ctx);
245: return (&s);
246: }
247:
1.4 nicm 248: static int
249: window_buffer_search(__unused void *modedata, void *itemdata, const char *ss)
250: {
251: struct window_buffer_itemdata *item = itemdata;
252: struct paste_buffer *pb;
253: const char *bufdata;
254: size_t bufsize;
255:
256: if ((pb = paste_get_name(item->name)) == NULL)
257: return (0);
258: if (strstr(item->name, ss) != NULL)
1.5 nicm 259: return (1);
1.4 nicm 260: bufdata = paste_buffer_data(pb, &bufsize);
261: return (memmem(bufdata, bufsize, ss, strlen(ss)) != NULL);
262: }
263:
1.1 nicm 264: static struct screen *
265: window_buffer_init(struct window_pane *wp, __unused struct cmd_find_state *fs,
266: struct args *args)
267: {
268: struct window_buffer_modedata *data;
269: struct screen *s;
270:
271: wp->modedata = data = xcalloc(1, sizeof *data);
272:
1.9 ! nicm 273: if (args == NULL || !args_has(args, 'F'))
! 274: data->format = xstrdup(WINDOW_BUFFER_DEFAULT_FORMAT);
! 275: else
! 276: data->format = xstrdup(args_get(args, 'F'));
1.1 nicm 277: if (args == NULL || args->argc == 0)
278: data->command = xstrdup(WINDOW_BUFFER_DEFAULT_COMMAND);
279: else
280: data->command = xstrdup(args->argv[0]);
281:
1.7 nicm 282: data->data = mode_tree_start(wp, args, window_buffer_build,
1.4 nicm 283: window_buffer_draw, window_buffer_search, data,
284: window_buffer_sort_list, nitems(window_buffer_sort_list), &s);
1.1 nicm 285:
286: mode_tree_build(data->data);
287: mode_tree_draw(data->data);
288:
289: return (s);
290: }
291:
292: static void
293: window_buffer_free(struct window_pane *wp)
294: {
295: struct window_buffer_modedata *data = wp->modedata;
296: u_int i;
297:
298: if (data == NULL)
299: return;
300:
301: mode_tree_free(data->data);
302:
303: for (i = 0; i < data->item_size; i++)
304: window_buffer_free_item(data->item_list[i]);
305: free(data->item_list);
306:
1.9 ! nicm 307: free(data->format);
1.1 nicm 308: free(data->command);
1.9 ! nicm 309:
1.1 nicm 310: free(data);
311: }
312:
313: static void
314: window_buffer_resize(struct window_pane *wp, u_int sx, u_int sy)
315: {
316: struct window_buffer_modedata *data = wp->modedata;
317:
318: mode_tree_resize(data->data, sx, sy);
319: }
320:
321: static void
322: window_buffer_do_delete(void* modedata, void *itemdata, __unused key_code key)
323: {
324: struct window_buffer_modedata *data = modedata;
325: struct window_buffer_itemdata *item = itemdata;
326: struct paste_buffer *pb;
327:
328: if (item == mode_tree_get_current(data->data))
329: mode_tree_down(data->data, 0);
330: if ((pb = paste_get_name(item->name)) != NULL)
331: paste_free(pb);
332: }
333:
334: static void
335: window_buffer_key(struct window_pane *wp, struct client *c,
336: __unused struct session *s, key_code key, struct mouse_event *m)
337: {
338: struct window_buffer_modedata *data = wp->modedata;
339: struct window_buffer_itemdata *item;
340: char *command, *name;
341: int finished;
342:
343: /*
344: * t = toggle tag
345: * T = tag none
346: * C-t = tag all
347: * q = exit
348: * O = change sort order
349: *
350: * d = delete buffer
351: * D = delete tagged buffers
352: * Enter = paste buffer
353: */
354:
1.4 nicm 355: finished = mode_tree_key(data->data, c, &key, m);
1.1 nicm 356: switch (key) {
357: case 'd':
358: item = mode_tree_get_current(data->data);
359: window_buffer_do_delete(data, item, key);
360: mode_tree_build(data->data);
361: break;
362: case 'D':
363: mode_tree_each_tagged(data->data, window_buffer_do_delete, key,
364: 0);
365: mode_tree_build(data->data);
366: break;
367: case '\r':
368: item = mode_tree_get_current(data->data);
369: command = xstrdup(data->command);
370: name = xstrdup(item->name);
371: window_pane_reset_mode(wp);
372: mode_tree_run_command(c, NULL, command, name);
373: free(name);
374: free(command);
375: return;
376: }
377: if (finished || paste_get_top(NULL) == NULL)
378: window_pane_reset_mode(wp);
379: else {
380: mode_tree_draw(data->data);
381: wp->flags |= PANE_REDRAW;
382: }
383: }
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