1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
/*
* dirbrowser.c - newt-based directory browser to get a file name
*
* Copyright (C) 2004 Red Hat, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Author(s): Jeremy Katz <katzj@redhat.com>
*/
#include <newt.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <dirent.h>
#include <errno.h>
#include <string.h>
#include <sys/stat.h>
#ifndef STANDALONE
#include "log.h"
#include "loader.h"
#include "loadermisc.h"
#include "lang.h"
#endif
#ifdef STANDALONE
#define _(x) x
static int simpleStringCmp(const void * a, const void * b) {
const char * first = *((const char **) a);
const char * second = *((const char **) b);
return strcmp(first, second);
}
#endif
#define FSTEP 10
static char ** get_file_list(char * dirname,
int (*filterfunc)(char *, struct dirent *)) {
DIR * dir;
struct dirent *entry;
char ** files;
int numfiles = FSTEP, i = 0;
dir = opendir(dirname);
if (dir == NULL) {
fprintf(stderr, "error opening %s: %m", dirname);
return NULL;
}
files = malloc(numfiles * sizeof(char *));
while ((entry = readdir(dir))) {
if ((strlen(entry->d_name) == 1) && !strncmp(entry->d_name, ".", 1))
continue;
if ((strlen(entry->d_name) == 2) && !strncmp(entry->d_name, "..", 2))
continue;
if (filterfunc && filterfunc(dirname, entry))
continue;
files[i] = strdup(entry->d_name);
if (i++ >= (numfiles - 1)) {
numfiles += FSTEP;
files = realloc(files, numfiles * sizeof(char *));
}
}
files[i] = NULL;
closedir(dir);
qsort(files, i, sizeof(*files), simpleStringCmp);
return files;
}
/* Browse through a directory structure looking for a file.
* Returns the full path to the file.
*
* Parameters:
* title: Title for newt dialog window
* dirname: Directory to use for root of browsing. NOTE: you cannot go
* up above this root.
* filterfunc: An (optional) function to filter out files based on whatever
* criteria you want. Returns 1 if it passes, 0 if not.
* Function should take arguments of the directory name and
* the dirent for the file.
*/
char * newt_select_file(char * title, char * text, char * dirname,
int (*filterfunc)(char *, struct dirent *)) {
char ** files;
char * fn = NULL;
int i, done = 0;
char * topdir = dirname;
char * dir = malloc(PATH_MAX);
char * path = NULL;
newtGrid grid, buttons;
newtComponent f, tb, listbox, ok, cancel;
struct stat sb;
struct newtExitStruct es;
dir = realpath(dirname, dir);
do {
files = get_file_list(dir, filterfunc);
f = newtForm(NULL, NULL, 0);
grid = newtCreateGrid(1, 4);
tb = newtTextboxReflowed(-1, -1, text, 60, 0, 10, 0);
listbox = newtListbox(12, 65, 10,
NEWT_FLAG_SCROLL | NEWT_FLAG_RETURNEXIT);
newtListboxSetWidth(listbox, 55);
buttons = newtButtonBar(_("OK"), &ok, _("Cancel"), &cancel, NULL);
newtGridSetField(grid, 0, 0, NEWT_GRID_COMPONENT, tb,
0, 0, 0, 1, 0, 0);
newtGridSetField(grid, 0, 1, NEWT_GRID_COMPONENT, listbox,
0, 0, 0, 1, 0, 0);
newtGridSetField(grid, 0, 3, NEWT_GRID_SUBGRID, buttons,
0, 0, 0, 0, 0, NEWT_GRID_FLAG_GROWX);
/* if this isn't our topdir, we want to let them go up a dir */
if (strcmp(topdir, dir))
newtListboxAppendEntry(listbox, "../", "..");
for (i = 0; (files[i] != NULL); i++) {
if ((files[i] == NULL) || (strlen(files[i]) == 0)) continue;
path = malloc(strlen(files[i]) + strlen(dir) + 2);
sprintf(path, "%s/%s", dir, files[i]);
stat(path, &sb);
free(path);
if (S_ISDIR(sb.st_mode)) {
char *dir = malloc(strlen(files[i]) + 2);
sprintf(dir, "%s/", files[i]);
newtListboxAppendEntry(listbox, dir, files[i]);
} else {
newtListboxAppendEntry(listbox, files[i], files[i]);
}
}
newtGridWrappedWindow(grid, title);
newtGridAddComponentsToForm(grid, f, 1);
newtFormRun(f, &es);
if (es.reason == NEWT_EXIT_COMPONENT && es.u.co == cancel) {
fn = NULL;
done = -1;
} else {
fn = (char *) newtListboxGetCurrent(listbox);
path = malloc(strlen(fn) + strlen(dir) + 2);
sprintf(path, "%s/%s", dir, fn);
stat(path, &sb);
if (!S_ISDIR(sb.st_mode)) {
fn = path;
done = 1;
} else {
dir = realpath(path, dir);
free(path);
}
}
newtGridFree(grid, 1);
newtFormDestroy(f);
newtPopWindow();
} while (done == 0);
return fn;
}
#ifdef STANDALONE
int main(int argc, char ** argv) {
char * foo;
newtInit();
newtCls();
foo = newt_select_file("Get File Name", "foo, blah blah blah",
"/etc", NULL);
newtFinished();
printf("got %s\n", foo);
return 0;
}
#endif
|
