1 /* vifm
2 * Copyright (C) 2014 xaizek.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
17 */
18
19 #include "trashes_menu.h"
20
21 #include <stdint.h> /* uint64_t */
22 #include <string.h> /* strchr() strdup() */
23
24 #include "../ui/ui.h"
25 #include "../utils/cancellation.h"
26 #include "../utils/str.h"
27 #include "../utils/string_array.h"
28 #include "../utils/utils.h"
29 #include "../fops_misc.h"
30 #include "../trash.h"
31 #include "menus.h"
32
33 static char * format_item(const char trash_dir[], int calc_size);
34 static int execute_trashes_cb(view_t *view, menu_data_t *m);
35 static KHandlerResponse trashes_khandler(view_t *view, menu_data_t *m,
36 const wchar_t keys[]);
37
38 int
show_trashes_menu(view_t * view,int calc_size)39 show_trashes_menu(view_t *view, int calc_size)
40 {
41 char **trashes;
42 int ntrashes;
43 int i;
44
45 static menu_data_t m;
46 menus_init_data(&m, view,
47 format_str("%sNon-empty trash directories", calc_size ? "[ size] " : ""),
48 strdup("No non-empty trash directories found"));
49
50 m.execute_handler = &execute_trashes_cb;
51 m.key_handler = &trashes_khandler;
52 m.extra_data = calc_size;
53
54 trashes = trash_list_trashes(&ntrashes);
55
56 show_progress(NULL, 0);
57 for(i = 0; i < ntrashes; i++)
58 {
59 char *const item = format_item(trashes[i], calc_size);
60 m.len = put_into_string_array(&m.items, m.len, item);
61 }
62
63 free_string_array(trashes, ntrashes);
64
65 return menus_enter(m.state, view);
66 }
67
68 /* Formats single menu item. Returns pointer to newly allocated string. */
69 static char *
format_item(const char trash_dir[],int calc_size)70 format_item(const char trash_dir[], int calc_size)
71 {
72 char msg[PATH_MAX + 1];
73 uint64_t size;
74 char size_str[64];
75
76 if(!calc_size)
77 {
78 return strdup(trash_dir);
79 }
80
81 snprintf(msg, sizeof(msg), "Calculating size of %s...", trash_dir);
82 show_progress(msg, 1);
83
84 size = fops_dir_size(trash_dir, 1, &no_cancellation);
85
86 size_str[0] = '\0';
87 friendly_size_notation(size, sizeof(size_str), size_str);
88
89 return format_str("[%8s] %s", size_str, trash_dir);
90 }
91
92 /* Callback that is called when menu item is selected. Return non-zero to stay
93 * in menu mode and zero otherwise. */
94 static int
execute_trashes_cb(view_t * view,menu_data_t * m)95 execute_trashes_cb(view_t *view, menu_data_t *m)
96 {
97 const char *const item = m->items[m->pos];
98 const char *const trash_dir = m->extra_data ? strchr(item, ']') + 2 : item;
99 menus_goto_dir(view, trash_dir);
100 return 0;
101 }
102
103 /* Menu-specific shortcut handler. Returns code that specifies both taken
104 * actions and what should be done next. */
105 static KHandlerResponse
trashes_khandler(view_t * view,menu_data_t * m,const wchar_t keys[])106 trashes_khandler(view_t *view, menu_data_t *m, const wchar_t keys[])
107 {
108 if(wcscmp(keys, L"dd") == 0)
109 {
110 const char *const item = m->items[m->pos];
111 const char *trash_dir = m->extra_data ? strchr(item, ']') + 2 : item;
112 trash_empty(trash_dir);
113 menus_remove_current(m->state);
114 return KHR_REFRESH_WINDOW;
115 }
116 return KHR_UNHANDLED;
117 }
118
119 /* vim: set tabstop=2 softtabstop=2 shiftwidth=2 noexpandtab cinoptions-=(0 : */
120 /* vim: set cinoptions+=t0 filetype=c : */
121