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Date:: Sun Nov 9 18:31:16 2014 UTC
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  1 71ee1627 2014-11-07 marcelgmr #include <stdlib.h>
  2 bae1431c 2014-11-07 marcelgmr #include <stdint.h>
  3 6beff8a2 2014-11-08 marcelgmr #include <ctype.h>
  4 6beff8a2 2014-11-08 marcelgmr #include <string.h>
  5 5f52c474 2014-11-08 marcelgmr #include <sys/types.h>  /* pid_t, ... */
  6 71ee1627 2014-11-07 marcelgmr #include <stdio.h>      /* FILENAME_MAX */
  7 71ee1627 2014-11-07 marcelgmr #include <locale.h>     /* setlocale(), LC_ALL */
  8 71ee1627 2014-11-07 marcelgmr #include <unistd.h>     /* chdir(), getcwd() */
  9 71ee1627 2014-11-07 marcelgmr #include <dirent.h>     /* DIR, struct dirent, opendir(), ... */
 10 71ee1627 2014-11-07 marcelgmr #include <sys/stat.h>
 11 71ee1627 2014-11-07 marcelgmr #include <sys/wait.h>   /* waitpid() */
 12 71ee1627 2014-11-07 marcelgmr #include <curses.h>
 13 71ee1627 2014-11-07 marcelgmr 
 14 71ee1627 2014-11-07 marcelgmr #include "config.h"
 15 71ee1627 2014-11-07 marcelgmr 
 16 576e768d 2014-11-08 marcelgmr #define ROWSZ 256
 17 576e768d 2014-11-08 marcelgmr char ROW[ROWSZ];
 18 a17e36e3 2014-11-07 marcelgmr #define STATUSSZ 256
 19 a17e36e3 2014-11-07 marcelgmr char STATUS[STATUSSZ];
 20 a17e36e3 2014-11-07 marcelgmr #define SEARCHSZ 256
 21 a17e36e3 2014-11-07 marcelgmr char SEARCH[SEARCHSZ];
 22 71ee1627 2014-11-07 marcelgmr #define MAXARGS 256
 23 71ee1627 2014-11-07 marcelgmr char *args[MAXARGS];
 24 71ee1627 2014-11-07 marcelgmr 
 25 a17e36e3 2014-11-07 marcelgmr typedef enum {DEFAULT, RED, GREEN, YELLOW, BLUE, CYAN, MAGENTA, WHITE} color_t;
 26 71ee1627 2014-11-07 marcelgmr 
 27 f05efd9e 2014-11-07 marcelgmr #define HEIGHT (LINES-4)
 28 f05efd9e 2014-11-07 marcelgmr 
 29 bae1431c 2014-11-07 marcelgmr #define SHOW_FILES      0x01u
 30 bae1431c 2014-11-07 marcelgmr #define SHOW_DIRS       0x02u
 31 bae1431c 2014-11-07 marcelgmr #define SHOW_HIDDEN     0x04u
 32 bae1431c 2014-11-07 marcelgmr 
 33 576e768d 2014-11-08 marcelgmr typedef struct {
 34 576e768d 2014-11-08 marcelgmr     char *name;
 35 576e768d 2014-11-08 marcelgmr     off_t size;
 36 576e768d 2014-11-08 marcelgmr } row_t;
 37 576e768d 2014-11-08 marcelgmr 
 38 f05efd9e 2014-11-07 marcelgmr struct rover_t {
 39 ada8fba9 2014-11-09 marcelgmr     int tab;
 40 71ee1627 2014-11-07 marcelgmr     int nfiles;
 41 ada8fba9 2014-11-09 marcelgmr     int scroll[10];
 42 ada8fba9 2014-11-09 marcelgmr     int fsel[10];
 43 47e9f26d 2014-11-09 marcelgmr     uint8_t flags[10];
 44 576e768d 2014-11-08 marcelgmr     row_t *rows;
 45 71ee1627 2014-11-07 marcelgmr     WINDOW *window;
 46 ada8fba9 2014-11-09 marcelgmr     char cwd[10][FILENAME_MAX];
 47 f05efd9e 2014-11-07 marcelgmr } rover;
 48 71ee1627 2014-11-07 marcelgmr 
 49 576e768d 2014-11-08 marcelgmr #define FNAME(I) rover.rows[I].name
 50 576e768d 2014-11-08 marcelgmr #define FSIZE(I) rover.rows[I].size
 51 ada8fba9 2014-11-09 marcelgmr #define SCROLL rover.scroll[rover.tab]
 52 ada8fba9 2014-11-09 marcelgmr #define FSEL rover.fsel[rover.tab]
 53 47e9f26d 2014-11-09 marcelgmr #define FLAGS rover.flags[rover.tab]
 54 ada8fba9 2014-11-09 marcelgmr #define CWD rover.cwd[rover.tab]
 55 576e768d 2014-11-08 marcelgmr 
 56 71ee1627 2014-11-07 marcelgmr static int
 57 576e768d 2014-11-08 marcelgmr rowcmp(const void *a, const void *b)
 58 71ee1627 2014-11-07 marcelgmr {
 59 71ee1627 2014-11-07 marcelgmr     int isdir1, isdir2, cmpdir;
 60 576e768d 2014-11-08 marcelgmr     const row_t *r1 = a;
 61 576e768d 2014-11-08 marcelgmr     const row_t *r2 = b;
 62 576e768d 2014-11-08 marcelgmr     isdir1 = strchr(r1->name, '/') != NULL;
 63 576e768d 2014-11-08 marcelgmr     isdir2 = strchr(r2->name, '/') != NULL;
 64 71ee1627 2014-11-07 marcelgmr     cmpdir = isdir2 - isdir1;
 65 576e768d 2014-11-08 marcelgmr     return cmpdir ? cmpdir : strcoll(r1->name, r2->name);
 66 71ee1627 2014-11-07 marcelgmr }
 67 71ee1627 2014-11-07 marcelgmr 
 68 576e768d 2014-11-08 marcelgmr void
 69 576e768d 2014-11-08 marcelgmr free_rows(row_t **rowsp, int nfiles)
 70 576e768d 2014-11-08 marcelgmr {
 71 576e768d 2014-11-08 marcelgmr     int i;
 72 576e768d 2014-11-08 marcelgmr 
 73 576e768d 2014-11-08 marcelgmr     for (i = 0; i < nfiles; i++)
 74 576e768d 2014-11-08 marcelgmr         free((*rowsp)[i].name);
 75 576e768d 2014-11-08 marcelgmr     free(*rowsp);
 76 576e768d 2014-11-08 marcelgmr     *rowsp = NULL;
 77 576e768d 2014-11-08 marcelgmr }
 78 576e768d 2014-11-08 marcelgmr 
 79 71ee1627 2014-11-07 marcelgmr int
 80 576e768d 2014-11-08 marcelgmr ls(char *path, row_t **rowsp, uint8_t flags)
 81 71ee1627 2014-11-07 marcelgmr {
 82 71ee1627 2014-11-07 marcelgmr     DIR *dp;
 83 71ee1627 2014-11-07 marcelgmr     struct dirent *ep;
 84 71ee1627 2014-11-07 marcelgmr     struct stat statbuf;
 85 576e768d 2014-11-08 marcelgmr     row_t *rows;
 86 71ee1627 2014-11-07 marcelgmr     int i, n;
 87 71ee1627 2014-11-07 marcelgmr 
 88 71ee1627 2014-11-07 marcelgmr     if((dp = opendir(path)) == NULL)
 89 71ee1627 2014-11-07 marcelgmr         return -1;
 90 71ee1627 2014-11-07 marcelgmr     n = -2; /* We don't want the entries "." and "..". */
 91 71ee1627 2014-11-07 marcelgmr     while (readdir(dp)) n++;
 92 71ee1627 2014-11-07 marcelgmr     rewinddir(dp);
 93 576e768d 2014-11-08 marcelgmr     rows = (row_t *) malloc(n * sizeof(row_t));
 94 71ee1627 2014-11-07 marcelgmr     i = 0;
 95 71ee1627 2014-11-07 marcelgmr     while ((ep = readdir(dp))) {
 96 f05efd9e 2014-11-07 marcelgmr         if (!strcmp(ep->d_name, ".") || !strcmp(ep->d_name, ".."))
 97 71ee1627 2014-11-07 marcelgmr             continue;
 98 bae1431c 2014-11-07 marcelgmr         if (!(flags & SHOW_HIDDEN) && ep->d_name[0] == '.')
 99 bae1431c 2014-11-07 marcelgmr             continue;
100 71ee1627 2014-11-07 marcelgmr         /* FIXME: ANSI C doesn't have lstat(). How do we handle symlinks? */
101 ea0214c3 2014-11-09 marcelgmr         stat(ep->d_name, &statbuf);
102 bae1431c 2014-11-07 marcelgmr         if (S_ISDIR(statbuf.st_mode)) {
103 bae1431c 2014-11-07 marcelgmr             if (flags & SHOW_DIRS) {
104 576e768d 2014-11-08 marcelgmr                 rows[i].name = (char *) malloc(strlen(ep->d_name) + 2);
105 576e768d 2014-11-08 marcelgmr                 strcpy(rows[i].name, ep->d_name);
106 576e768d 2014-11-08 marcelgmr                 strcat(rows[i].name, "/");
107 bae1431c 2014-11-07 marcelgmr                 i++;
108 bae1431c 2014-11-07 marcelgmr             }
109 bae1431c 2014-11-07 marcelgmr         }
110 bae1431c 2014-11-07 marcelgmr         else if (flags & SHOW_FILES) {
111 576e768d 2014-11-08 marcelgmr             rows[i].name = (char *) malloc(strlen(ep->d_name) + 1);
112 576e768d 2014-11-08 marcelgmr             strcpy(rows[i].name, ep->d_name);
113 576e768d 2014-11-08 marcelgmr             rows[i].size = statbuf.st_size;
114 bae1431c 2014-11-07 marcelgmr             i++;
115 bae1431c 2014-11-07 marcelgmr         }
116 71ee1627 2014-11-07 marcelgmr     }
117 bae1431c 2014-11-07 marcelgmr     n = i; /* Ignore unused space in array caused by filters. */
118 576e768d 2014-11-08 marcelgmr     qsort(rows, n, sizeof(row_t), rowcmp);
119 ea0214c3 2014-11-09 marcelgmr     closedir(dp);
120 576e768d 2014-11-08 marcelgmr     *rowsp = rows;
121 71ee1627 2014-11-07 marcelgmr     return n;
122 71ee1627 2014-11-07 marcelgmr }
123 71ee1627 2014-11-07 marcelgmr 
124 71ee1627 2014-11-07 marcelgmr static void
125 f05efd9e 2014-11-07 marcelgmr clean_term()
126 71ee1627 2014-11-07 marcelgmr {
127 71ee1627 2014-11-07 marcelgmr     endwin();
128 71ee1627 2014-11-07 marcelgmr }
129 71ee1627 2014-11-07 marcelgmr 
130 71ee1627 2014-11-07 marcelgmr static void
131 f05efd9e 2014-11-07 marcelgmr init_term()
132 71ee1627 2014-11-07 marcelgmr {
133 71ee1627 2014-11-07 marcelgmr     setlocale(LC_ALL, "");
134 71ee1627 2014-11-07 marcelgmr     initscr();
135 71ee1627 2014-11-07 marcelgmr     cbreak(); /* Get one character at a time. */
136 71ee1627 2014-11-07 marcelgmr     noecho();
137 71ee1627 2014-11-07 marcelgmr     nonl(); /* No NL->CR/NL on output. */
138 71ee1627 2014-11-07 marcelgmr     intrflush(stdscr, FALSE);
139 71ee1627 2014-11-07 marcelgmr     keypad(stdscr, TRUE);
140 71ee1627 2014-11-07 marcelgmr     curs_set(FALSE); /* Hide blinking cursor. */
141 71ee1627 2014-11-07 marcelgmr     if (has_colors()) {
142 71ee1627 2014-11-07 marcelgmr         start_color();
143 71ee1627 2014-11-07 marcelgmr         init_pair(RED, COLOR_RED, COLOR_BLACK);
144 71ee1627 2014-11-07 marcelgmr         init_pair(GREEN, COLOR_GREEN, COLOR_BLACK);
145 71ee1627 2014-11-07 marcelgmr         init_pair(YELLOW, COLOR_YELLOW,COLOR_BLACK);
146 71ee1627 2014-11-07 marcelgmr         init_pair(BLUE, COLOR_BLUE, COLOR_BLACK);
147 71ee1627 2014-11-07 marcelgmr         init_pair(CYAN, COLOR_CYAN, COLOR_BLACK);
148 71ee1627 2014-11-07 marcelgmr         init_pair(MAGENTA, COLOR_MAGENTA, COLOR_BLACK);
149 71ee1627 2014-11-07 marcelgmr         init_pair(WHITE, COLOR_WHITE, COLOR_BLACK);
150 71ee1627 2014-11-07 marcelgmr     }
151 f05efd9e 2014-11-07 marcelgmr     atexit(clean_term);
152 71ee1627 2014-11-07 marcelgmr }
153 71ee1627 2014-11-07 marcelgmr 
154 71ee1627 2014-11-07 marcelgmr static void
155 71ee1627 2014-11-07 marcelgmr update_browser()
156 71ee1627 2014-11-07 marcelgmr {
157 222db952 2014-11-08 marcelgmr     int i, j;
158 576e768d 2014-11-08 marcelgmr     int ishidden, isdir;
159 71ee1627 2014-11-07 marcelgmr 
160 ada8fba9 2014-11-09 marcelgmr     for (i = 0, j = SCROLL; i < HEIGHT && j < rover.nfiles; i++, j++) {
161 576e768d 2014-11-08 marcelgmr         ishidden = FNAME(j)[0] == '.';
162 576e768d 2014-11-08 marcelgmr         isdir = strchr(FNAME(j), '/') != NULL;
163 ada8fba9 2014-11-09 marcelgmr         if (j == FSEL)
164 f05efd9e 2014-11-07 marcelgmr             wattr_on(rover.window, A_REVERSE, NULL);
165 576e768d 2014-11-08 marcelgmr         if (ishidden)
166 37233869 2014-11-07 marcelgmr             wcolor_set(rover.window, RVC_HIDDEN, NULL);
167 576e768d 2014-11-08 marcelgmr         else if (isdir)
168 37233869 2014-11-07 marcelgmr             wcolor_set(rover.window, RVC_DIR, NULL);
169 37233869 2014-11-07 marcelgmr         else
170 37233869 2014-11-07 marcelgmr             wcolor_set(rover.window, RVC_FILE, NULL);
171 576e768d 2014-11-08 marcelgmr         if (!isdir)
172 576e768d 2014-11-08 marcelgmr             sprintf(ROW, "%s%*d", FNAME(j),
173 576e768d 2014-11-08 marcelgmr                     COLS - strlen(FNAME(j)) - 2, (int) FSIZE(j));
174 576e768d 2014-11-08 marcelgmr         else
175 576e768d 2014-11-08 marcelgmr             strcpy(ROW, FNAME(j));
176 a81852bf 2014-11-08 marcelgmr         mvwhline(rover.window, i + 1, 1, ' ', COLS - 2);
177 a81852bf 2014-11-08 marcelgmr         mvwaddnstr(rover.window, i + 1, 1, ROW, COLS - 2);
178 37233869 2014-11-07 marcelgmr         wcolor_set(rover.window, DEFAULT, NULL);
179 ada8fba9 2014-11-09 marcelgmr         if (j == FSEL)
180 f05efd9e 2014-11-07 marcelgmr             wattr_off(rover.window, A_REVERSE, NULL);
181 a81852bf 2014-11-08 marcelgmr     }
182 a81852bf 2014-11-08 marcelgmr     if (rover.nfiles > HEIGHT) {
183 a81852bf 2014-11-08 marcelgmr         int center, height;
184 ada8fba9 2014-11-09 marcelgmr         center = (SCROLL + (HEIGHT >> 1)) * HEIGHT / rover.nfiles;
185 a81852bf 2014-11-08 marcelgmr         height = (HEIGHT-1) * HEIGHT / rover.nfiles;
186 a81852bf 2014-11-08 marcelgmr         if (!height) height = 1;
187 a81852bf 2014-11-08 marcelgmr         wcolor_set(rover.window, RVC_BORDER, NULL);
188 a81852bf 2014-11-08 marcelgmr         wborder(rover.window, 0, 0, 0, 0, 0, 0, 0, 0);
189 2a2b72b6 2014-11-08 marcelgmr         wcolor_set(rover.window, RVC_SCROLLBAR, NULL);
190 a81852bf 2014-11-08 marcelgmr         mvwvline(rover.window, center-(height>>1)+1, COLS-1, ACS_CKBOARD, height);
191 a81852bf 2014-11-08 marcelgmr         wcolor_set(rover.window, DEFAULT, NULL);
192 71ee1627 2014-11-07 marcelgmr     }
193 f05efd9e 2014-11-07 marcelgmr     wrefresh(rover.window);
194 47e9f26d 2014-11-09 marcelgmr     STATUS[0] = FLAGS & SHOW_FILES  ? 'F' : ' ';
195 47e9f26d 2014-11-09 marcelgmr     STATUS[1] = FLAGS & SHOW_DIRS   ? 'D' : ' ';
196 47e9f26d 2014-11-09 marcelgmr     STATUS[2] = FLAGS & SHOW_HIDDEN ? 'H' : ' ';
197 bb90b2d2 2014-11-08 marcelgmr     if (!rover.nfiles)
198 222db952 2014-11-08 marcelgmr         strcpy(ROW, "0/0");
199 bb90b2d2 2014-11-08 marcelgmr     else
200 ada8fba9 2014-11-09 marcelgmr         sprintf(ROW, "%d/%d", FSEL + 1, rover.nfiles);
201 222db952 2014-11-08 marcelgmr     sprintf(STATUS+3, "%*s", 12, ROW);
202 e1f31679 2014-11-07 marcelgmr     color_set(RVC_STATUS, NULL);
203 222db952 2014-11-08 marcelgmr     mvaddstr(LINES - 1, COLS - 15, STATUS);
204 e1f31679 2014-11-07 marcelgmr     color_set(DEFAULT, NULL);
205 71ee1627 2014-11-07 marcelgmr     refresh();
206 71ee1627 2014-11-07 marcelgmr }
207 71ee1627 2014-11-07 marcelgmr 
208 ada8fba9 2014-11-09 marcelgmr /* NOTE: The caller needs to write the new path to CWD
209 71ee1627 2014-11-07 marcelgmr  *  *before* calling this function. */
210 71ee1627 2014-11-07 marcelgmr static void
211 ada8fba9 2014-11-09 marcelgmr cd(int reset)
212 71ee1627 2014-11-07 marcelgmr {
213 ada8fba9 2014-11-09 marcelgmr     if (reset)
214 ada8fba9 2014-11-09 marcelgmr         FSEL = SCROLL = 0;
215 ea0214c3 2014-11-09 marcelgmr     chdir(CWD);
216 ea0214c3 2014-11-09 marcelgmr     mvhline(0, 0, ' ', COLS);
217 e1f31679 2014-11-07 marcelgmr     color_set(RVC_CWD, NULL);
218 ea0214c3 2014-11-09 marcelgmr     mvaddnstr(0, 0, CWD, COLS);
219 e1f31679 2014-11-07 marcelgmr     color_set(DEFAULT, NULL);
220 ada8fba9 2014-11-09 marcelgmr     move(0, COLS-2);
221 ada8fba9 2014-11-09 marcelgmr     attr_on(A_BOLD, NULL);
222 1c86f4eb 2014-11-09 marcelgmr     color_set(RVC_TABNUM, NULL);
223 ada8fba9 2014-11-09 marcelgmr     echochar(rover.tab + '0');
224 1c86f4eb 2014-11-09 marcelgmr     color_set(DEFAULT, NULL);
225 ada8fba9 2014-11-09 marcelgmr     attr_off(A_BOLD, NULL);
226 f05efd9e 2014-11-07 marcelgmr     if (rover.nfiles)
227 576e768d 2014-11-08 marcelgmr         free_rows(&rover.rows, rover.nfiles);
228 47e9f26d 2014-11-09 marcelgmr     rover.nfiles = ls(CWD, &rover.rows, FLAGS);
229 ea0214c3 2014-11-09 marcelgmr     wclear(rover.window);
230 37233869 2014-11-07 marcelgmr     wcolor_set(rover.window, RVC_BORDER, NULL);
231 f05efd9e 2014-11-07 marcelgmr     wborder(rover.window, 0, 0, 0, 0, 0, 0, 0, 0);
232 37233869 2014-11-07 marcelgmr     wcolor_set(rover.window, DEFAULT, NULL);
233 71ee1627 2014-11-07 marcelgmr     update_browser();
234 71ee1627 2014-11-07 marcelgmr }
235 71ee1627 2014-11-07 marcelgmr 
236 71ee1627 2014-11-07 marcelgmr static void
237 71ee1627 2014-11-07 marcelgmr spawn()
238 71ee1627 2014-11-07 marcelgmr {
239 71ee1627 2014-11-07 marcelgmr     pid_t pid;
240 71ee1627 2014-11-07 marcelgmr     int status;
241 71ee1627 2014-11-07 marcelgmr 
242 71ee1627 2014-11-07 marcelgmr     pid = fork();
243 71ee1627 2014-11-07 marcelgmr     if (pid > 0) {
244 71ee1627 2014-11-07 marcelgmr         /* fork() succeeded. */
245 f05efd9e 2014-11-07 marcelgmr         clean_term();
246 ea0214c3 2014-11-09 marcelgmr         waitpid(pid, &status, 0);
247 f05efd9e 2014-11-07 marcelgmr         init_term();
248 71ee1627 2014-11-07 marcelgmr         doupdate();
249 71ee1627 2014-11-07 marcelgmr     }
250 71ee1627 2014-11-07 marcelgmr     else if (pid == 0) {
251 71ee1627 2014-11-07 marcelgmr         /* Child process. */
252 71ee1627 2014-11-07 marcelgmr         execvp(args[0], args);
253 411ec846 2014-11-08 marcelgmr     }
254 411ec846 2014-11-08 marcelgmr }
255 411ec846 2014-11-08 marcelgmr 
256 411ec846 2014-11-08 marcelgmr /* Interactive getstr(). */
257 411ec846 2014-11-08 marcelgmr int
258 411ec846 2014-11-08 marcelgmr igetstr(char *buffer, int maxlen)
259 411ec846 2014-11-08 marcelgmr {
260 411ec846 2014-11-08 marcelgmr     int ch, length;
261 411ec846 2014-11-08 marcelgmr 
262 411ec846 2014-11-08 marcelgmr     length = strlen(buffer);
263 411ec846 2014-11-08 marcelgmr     ch = getch();
264 411ec846 2014-11-08 marcelgmr     if (ch == '\r' || ch == '\n' || ch == KEY_DOWN || ch == KEY_ENTER)
265 411ec846 2014-11-08 marcelgmr         return 0;
266 411ec846 2014-11-08 marcelgmr     else if (ch == erasechar() || ch == KEY_LEFT || ch == KEY_BACKSPACE) {
267 411ec846 2014-11-08 marcelgmr         if (length)
268 411ec846 2014-11-08 marcelgmr             buffer[--length] = '\0';
269 411ec846 2014-11-08 marcelgmr     }
270 411ec846 2014-11-08 marcelgmr     else if (ch == killchar()) {
271 411ec846 2014-11-08 marcelgmr         length = 0;
272 411ec846 2014-11-08 marcelgmr         buffer[0] = '\0';
273 71ee1627 2014-11-07 marcelgmr     }
274 411ec846 2014-11-08 marcelgmr     else if (length < maxlen - 1 && isprint(ch)) {
275 411ec846 2014-11-08 marcelgmr         buffer[length++] = ch;
276 411ec846 2014-11-08 marcelgmr         buffer[length] = '\0';
277 411ec846 2014-11-08 marcelgmr     }
278 411ec846 2014-11-08 marcelgmr     return 1;
279 71ee1627 2014-11-07 marcelgmr }
280 71ee1627 2014-11-07 marcelgmr 
281 71ee1627 2014-11-07 marcelgmr int
282 38a357b6 2014-11-09 marcelgmr main(int argc, char *argv[])
283 71ee1627 2014-11-07 marcelgmr {
284 ada8fba9 2014-11-09 marcelgmr     int i, ch;
285 ada8fba9 2014-11-09 marcelgmr     char *program, *key;
286 38a357b6 2014-11-09 marcelgmr     DIR *d;
287 71ee1627 2014-11-07 marcelgmr 
288 f05efd9e 2014-11-07 marcelgmr     init_term();
289 71ee1627 2014-11-07 marcelgmr     /* Avoid invalid free() calls in cd() by zeroing the tally. */
290 f05efd9e 2014-11-07 marcelgmr     rover.nfiles = 0;
291 47e9f26d 2014-11-09 marcelgmr     for (i = 0; i < 10; i++) {
292 47e9f26d 2014-11-09 marcelgmr         rover.fsel[i] = rover.scroll[i] = 0;
293 47e9f26d 2014-11-09 marcelgmr         rover.flags[i] = SHOW_FILES | SHOW_DIRS;
294 47e9f26d 2014-11-09 marcelgmr     }
295 ada8fba9 2014-11-09 marcelgmr     strcpy(rover.cwd[0], getenv("HOME"));
296 38a357b6 2014-11-09 marcelgmr     for (i = 1; i < argc && i < 10; i++) {
297 38a357b6 2014-11-09 marcelgmr         d = opendir(argv[i]);
298 38a357b6 2014-11-09 marcelgmr         if (d) {
299 38a357b6 2014-11-09 marcelgmr             strcpy(rover.cwd[i], argv[i]);
300 38a357b6 2014-11-09 marcelgmr             closedir(d);
301 38a357b6 2014-11-09 marcelgmr         }
302 38a357b6 2014-11-09 marcelgmr         else strcpy(rover.cwd[i], rover.cwd[0]);
303 38a357b6 2014-11-09 marcelgmr     }
304 38a357b6 2014-11-09 marcelgmr     getcwd(rover.cwd[i], FILENAME_MAX);
305 38a357b6 2014-11-09 marcelgmr     for (i++; i < 10; i++)
306 38a357b6 2014-11-09 marcelgmr         strcpy(rover.cwd[i], rover.cwd[i-1]);
307 38a357b6 2014-11-09 marcelgmr     for (i = 0; i < 10; i++)
308 38a357b6 2014-11-09 marcelgmr         if (rover.cwd[i][strlen(rover.cwd[i]) - 1] != '/')
309 38a357b6 2014-11-09 marcelgmr             strcat(rover.cwd[i], "/");
310 ada8fba9 2014-11-09 marcelgmr     rover.tab = 1;
311 ada8fba9 2014-11-09 marcelgmr     rover.window = subwin(stdscr, LINES - 2, COLS, 1, 0);
312 ada8fba9 2014-11-09 marcelgmr     cd(1);
313 0b301167 2014-11-07 marcelgmr     while (1) {
314 ada8fba9 2014-11-09 marcelgmr         ch = getch();
315 ada8fba9 2014-11-09 marcelgmr         key = keyname(ch);
316 0b301167 2014-11-07 marcelgmr         if (!strcmp(key, RVK_QUIT))
317 0b301167 2014-11-07 marcelgmr             break;
318 ada8fba9 2014-11-09 marcelgmr         else if (ch >= '0' && ch <= '9') {
319 ada8fba9 2014-11-09 marcelgmr             rover.tab = ch - '0';
320 ada8fba9 2014-11-09 marcelgmr             cd(0);
321 ada8fba9 2014-11-09 marcelgmr         }
322 0b301167 2014-11-07 marcelgmr         else if (!strcmp(key, RVK_DOWN)) {
323 bb90b2d2 2014-11-08 marcelgmr             if (!rover.nfiles) continue;
324 ada8fba9 2014-11-09 marcelgmr             if (FSEL == rover.nfiles - 1)
325 ada8fba9 2014-11-09 marcelgmr                 SCROLL = FSEL = 0;
326 bb90b2d2 2014-11-08 marcelgmr             else {
327 ada8fba9 2014-11-09 marcelgmr                 FSEL++;
328 ada8fba9 2014-11-09 marcelgmr                 if ((FSEL - SCROLL) == HEIGHT)
329 ada8fba9 2014-11-09 marcelgmr                     SCROLL++;
330 71ee1627 2014-11-07 marcelgmr             }
331 71ee1627 2014-11-07 marcelgmr             update_browser();
332 0b301167 2014-11-07 marcelgmr         }
333 0b301167 2014-11-07 marcelgmr         else if (!strcmp(key, RVK_UP)) {
334 bb90b2d2 2014-11-08 marcelgmr             if (!rover.nfiles) continue;
335 ada8fba9 2014-11-09 marcelgmr             if (FSEL == 0) {
336 ada8fba9 2014-11-09 marcelgmr                 FSEL = rover.nfiles - 1;
337 ada8fba9 2014-11-09 marcelgmr                 SCROLL = rover.nfiles - HEIGHT;
338 ada8fba9 2014-11-09 marcelgmr                 if (SCROLL < 0)
339 ada8fba9 2014-11-09 marcelgmr                     SCROLL = 0;
340 71ee1627 2014-11-07 marcelgmr             }
341 bb90b2d2 2014-11-08 marcelgmr             else {
342 ada8fba9 2014-11-09 marcelgmr                 FSEL--;
343 ada8fba9 2014-11-09 marcelgmr                 if (FSEL < SCROLL)
344 ada8fba9 2014-11-09 marcelgmr                     SCROLL--;
345 71ee1627 2014-11-07 marcelgmr             }
346 71ee1627 2014-11-07 marcelgmr             update_browser();
347 0b301167 2014-11-07 marcelgmr         }
348 0b301167 2014-11-07 marcelgmr         else if (!strcmp(key, RVK_JUMP_DOWN)) {
349 bb90b2d2 2014-11-08 marcelgmr             if (!rover.nfiles) continue;
350 ada8fba9 2014-11-09 marcelgmr             FSEL += RV_JUMP;
351 ada8fba9 2014-11-09 marcelgmr             if (FSEL >= rover.nfiles)
352 ada8fba9 2014-11-09 marcelgmr                 FSEL = rover.nfiles - 1;
353 f05efd9e 2014-11-07 marcelgmr             if (rover.nfiles > HEIGHT) {
354 ada8fba9 2014-11-09 marcelgmr                 SCROLL += RV_JUMP;
355 ada8fba9 2014-11-09 marcelgmr                 if (SCROLL > rover.nfiles - HEIGHT)
356 ada8fba9 2014-11-09 marcelgmr                     SCROLL = rover.nfiles - HEIGHT;
357 71ee1627 2014-11-07 marcelgmr             }
358 71ee1627 2014-11-07 marcelgmr             update_browser();
359 0b301167 2014-11-07 marcelgmr         }
360 0b301167 2014-11-07 marcelgmr         else if (!strcmp(key, RVK_JUMP_UP)) {
361 bb90b2d2 2014-11-08 marcelgmr             if (!rover.nfiles) continue;
362 ada8fba9 2014-11-09 marcelgmr             FSEL -= RV_JUMP;
363 ada8fba9 2014-11-09 marcelgmr             if (FSEL < 0)
364 ada8fba9 2014-11-09 marcelgmr                 FSEL = 0;
365 ada8fba9 2014-11-09 marcelgmr             SCROLL -= RV_JUMP;
366 ada8fba9 2014-11-09 marcelgmr             if (SCROLL < 0)
367 ada8fba9 2014-11-09 marcelgmr                 SCROLL = 0;
368 71ee1627 2014-11-07 marcelgmr             update_browser();
369 0b301167 2014-11-07 marcelgmr         }
370 0b301167 2014-11-07 marcelgmr         else if (!strcmp(key, RVK_CD_DOWN)) {
371 bb90b2d2 2014-11-08 marcelgmr             if (!rover.nfiles) continue;
372 ada8fba9 2014-11-09 marcelgmr             if (strchr(FNAME(FSEL), '/') == NULL)
373 71ee1627 2014-11-07 marcelgmr                 continue;
374 ada8fba9 2014-11-09 marcelgmr             strcat(CWD, FNAME(FSEL));
375 ada8fba9 2014-11-09 marcelgmr             cd(1);
376 0b301167 2014-11-07 marcelgmr         }
377 0b301167 2014-11-07 marcelgmr         else if (!strcmp(key, RVK_CD_UP)) {
378 45020106 2014-11-08 marcelgmr             char *dirname, first;
379 ada8fba9 2014-11-09 marcelgmr             if (strlen(CWD) == 1)
380 71ee1627 2014-11-07 marcelgmr                 continue;
381 ada8fba9 2014-11-09 marcelgmr             CWD[strlen(CWD) - 1] = '\0';
382 ada8fba9 2014-11-09 marcelgmr             dirname = strrchr(CWD, '/') + 1;
383 45020106 2014-11-08 marcelgmr             first = dirname[0];
384 45020106 2014-11-08 marcelgmr             dirname[0] = '\0';
385 ada8fba9 2014-11-09 marcelgmr             cd(1);
386 47e9f26d 2014-11-09 marcelgmr             if ((FLAGS & SHOW_DIRS) &&
387 47e9f26d 2014-11-09 marcelgmr                 ((FLAGS & SHOW_HIDDEN) || (first != '.'))
388 45020106 2014-11-08 marcelgmr                ) {
389 45020106 2014-11-08 marcelgmr                 dirname[0] = first;
390 45020106 2014-11-08 marcelgmr                 dirname[strlen(dirname)] = '/';
391 ada8fba9 2014-11-09 marcelgmr                 while (strcmp(FNAME(FSEL), dirname))
392 ada8fba9 2014-11-09 marcelgmr                     FSEL++;
393 45020106 2014-11-08 marcelgmr                 if (rover.nfiles > HEIGHT) {
394 ada8fba9 2014-11-09 marcelgmr                     SCROLL = FSEL - (HEIGHT >> 1);
395 ada8fba9 2014-11-09 marcelgmr                     if (SCROLL < 0)
396 ada8fba9 2014-11-09 marcelgmr                         SCROLL = 0;
397 ada8fba9 2014-11-09 marcelgmr                     if (SCROLL > rover.nfiles - HEIGHT)
398 ada8fba9 2014-11-09 marcelgmr                         SCROLL = rover.nfiles - HEIGHT;
399 45020106 2014-11-08 marcelgmr                 }
400 45020106 2014-11-08 marcelgmr                 dirname[0] = '\0';
401 45020106 2014-11-08 marcelgmr                 update_browser();
402 45020106 2014-11-08 marcelgmr             }
403 0b301167 2014-11-07 marcelgmr         }
404 0b301167 2014-11-07 marcelgmr         else if (!strcmp(key, RVK_HOME)) {
405 ada8fba9 2014-11-09 marcelgmr             strcpy(CWD, getenv("HOME"));
406 ada8fba9 2014-11-09 marcelgmr             if (CWD[strlen(CWD) - 1] != '/')
407 ada8fba9 2014-11-09 marcelgmr                 strcat(CWD, "/");
408 ada8fba9 2014-11-09 marcelgmr             cd(1);
409 0b301167 2014-11-07 marcelgmr         }
410 0b301167 2014-11-07 marcelgmr         else if (!strcmp(key, RVK_SHELL)) {
411 71ee1627 2014-11-07 marcelgmr             program = getenv("SHELL");
412 71ee1627 2014-11-07 marcelgmr             if (program) {
413 71ee1627 2014-11-07 marcelgmr                 args[0] = program;
414 71ee1627 2014-11-07 marcelgmr                 args[1] = NULL;
415 71ee1627 2014-11-07 marcelgmr                 spawn();
416 71ee1627 2014-11-07 marcelgmr             }
417 0b301167 2014-11-07 marcelgmr         }
418 4b66a2c4 2014-11-07 marcelgmr         else if (!strcmp(key, RVK_VIEW)) {
419 bb90b2d2 2014-11-08 marcelgmr             if (!rover.nfiles) continue;
420 ada8fba9 2014-11-09 marcelgmr             if (strchr(FNAME(FSEL), '/') != NULL)
421 4b66a2c4 2014-11-07 marcelgmr                 continue;
422 4b66a2c4 2014-11-07 marcelgmr             program = getenv("PAGER");
423 4b66a2c4 2014-11-07 marcelgmr             if (program) {
424 4b66a2c4 2014-11-07 marcelgmr                 args[0] = program;
425 ada8fba9 2014-11-09 marcelgmr                 args[1] = FNAME(FSEL);
426 4b66a2c4 2014-11-07 marcelgmr                 args[2] = NULL;
427 4b66a2c4 2014-11-07 marcelgmr                 spawn();
428 4b66a2c4 2014-11-07 marcelgmr             }
429 4b66a2c4 2014-11-07 marcelgmr         }
430 0b301167 2014-11-07 marcelgmr         else if (!strcmp(key, RVK_EDIT)) {
431 bb90b2d2 2014-11-08 marcelgmr             if (!rover.nfiles) continue;
432 ada8fba9 2014-11-09 marcelgmr             if (strchr(FNAME(FSEL), '/') != NULL)
433 71ee1627 2014-11-07 marcelgmr                 continue;
434 71ee1627 2014-11-07 marcelgmr             program = getenv("EDITOR");
435 71ee1627 2014-11-07 marcelgmr             if (program) {
436 71ee1627 2014-11-07 marcelgmr                 args[0] = program;
437 ada8fba9 2014-11-09 marcelgmr                 args[1] = FNAME(FSEL);
438 71ee1627 2014-11-07 marcelgmr                 args[2] = NULL;
439 71ee1627 2014-11-07 marcelgmr                 spawn();
440 71ee1627 2014-11-07 marcelgmr             }
441 0b301167 2014-11-07 marcelgmr         }
442 a17e36e3 2014-11-07 marcelgmr         else if (!strcmp(key, RVK_SEARCH)) {
443 411ec846 2014-11-08 marcelgmr             int oldsel, oldscroll;
444 bb90b2d2 2014-11-08 marcelgmr             if (!rover.nfiles) continue;
445 ada8fba9 2014-11-09 marcelgmr             oldsel = FSEL;
446 ada8fba9 2014-11-09 marcelgmr             oldscroll = SCROLL;
447 a17e36e3 2014-11-07 marcelgmr             *SEARCH = '\0';
448 1c86f4eb 2014-11-09 marcelgmr             color_set(RVC_PROMPT, NULL);
449 411ec846 2014-11-08 marcelgmr             mvaddstr(LINES - 1, 0, "search: ");
450 1c86f4eb 2014-11-09 marcelgmr             color_set(DEFAULT, NULL);
451 411ec846 2014-11-08 marcelgmr             while (igetstr(SEARCH, SEARCHSZ)) {
452 411ec846 2014-11-08 marcelgmr                 int length, sel;
453 411ec846 2014-11-08 marcelgmr                 color_t color;
454 411ec846 2014-11-08 marcelgmr                 length = strlen(SEARCH);
455 a17e36e3 2014-11-07 marcelgmr                 if (length) {
456 f05efd9e 2014-11-07 marcelgmr                     for (sel = 0; sel < rover.nfiles; sel++)
457 576e768d 2014-11-08 marcelgmr                         if (!strncmp(FNAME(sel), SEARCH, length))
458 a17e36e3 2014-11-07 marcelgmr                             break;
459 f05efd9e 2014-11-07 marcelgmr                     if (sel < rover.nfiles) {
460 a17e36e3 2014-11-07 marcelgmr                         color = GREEN;
461 ada8fba9 2014-11-09 marcelgmr                         FSEL = sel;
462 f05efd9e 2014-11-07 marcelgmr                         if (rover.nfiles > HEIGHT) {
463 89cfd83b 2014-11-08 marcelgmr                             if (sel < 3)
464 ada8fba9 2014-11-09 marcelgmr                                 SCROLL = 0;
465 89cfd83b 2014-11-08 marcelgmr                             else if (sel - 3 > rover.nfiles - HEIGHT)
466 ada8fba9 2014-11-09 marcelgmr                                 SCROLL = rover.nfiles - HEIGHT;
467 a17e36e3 2014-11-07 marcelgmr                             else
468 ada8fba9 2014-11-09 marcelgmr                                 SCROLL = sel - 3;
469 a17e36e3 2014-11-07 marcelgmr                         }
470 a17e36e3 2014-11-07 marcelgmr                     }
471 a17e36e3 2014-11-07 marcelgmr                     else
472 a17e36e3 2014-11-07 marcelgmr                         color = RED;
473 a17e36e3 2014-11-07 marcelgmr                 }
474 411ec846 2014-11-08 marcelgmr                 else {
475 ada8fba9 2014-11-09 marcelgmr                     FSEL = oldsel;
476 ada8fba9 2014-11-09 marcelgmr                     SCROLL = oldscroll;
477 411ec846 2014-11-08 marcelgmr                 }
478 a17e36e3 2014-11-07 marcelgmr                 update_browser();
479 411ec846 2014-11-08 marcelgmr                 strcat(SEARCH, " ");
480 a17e36e3 2014-11-07 marcelgmr                 color_set(color, NULL);
481 921aeceb 2014-11-07 marcelgmr                 mvaddstr(LINES - 1, 8, SEARCH);
482 a17e36e3 2014-11-07 marcelgmr                 color_set(DEFAULT, NULL);
483 411ec846 2014-11-08 marcelgmr                 SEARCH[length] = '\0';
484 a17e36e3 2014-11-07 marcelgmr             }
485 a17e36e3 2014-11-07 marcelgmr             move(LINES - 1, 0);
486 a17e36e3 2014-11-07 marcelgmr             clrtoeol();
487 a17e36e3 2014-11-07 marcelgmr             update_browser();
488 a17e36e3 2014-11-07 marcelgmr         }
489 bae1431c 2014-11-07 marcelgmr         else if (!strcmp(key, RVK_TG_FILES)) {
490 47e9f26d 2014-11-09 marcelgmr             FLAGS ^= SHOW_FILES;
491 ada8fba9 2014-11-09 marcelgmr             cd(1);
492 bae1431c 2014-11-07 marcelgmr         }
493 bae1431c 2014-11-07 marcelgmr         else if (!strcmp(key, RVK_TG_DIRS)) {
494 47e9f26d 2014-11-09 marcelgmr             FLAGS ^= SHOW_DIRS;
495 ada8fba9 2014-11-09 marcelgmr             cd(1);
496 bae1431c 2014-11-07 marcelgmr         }
497 bae1431c 2014-11-07 marcelgmr         else if (!strcmp(key, RVK_TG_HIDDEN)) {
498 47e9f26d 2014-11-09 marcelgmr             FLAGS ^= SHOW_HIDDEN;
499 ada8fba9 2014-11-09 marcelgmr             cd(1);
500 bae1431c 2014-11-07 marcelgmr         }
501 71ee1627 2014-11-07 marcelgmr     }
502 576e768d 2014-11-08 marcelgmr     if (rover.nfiles) {
503 576e768d 2014-11-08 marcelgmr         free_rows(&rover.rows, rover.nfiles);
504 576e768d 2014-11-08 marcelgmr     }
505 f05efd9e 2014-11-07 marcelgmr     delwin(rover.window);
506 71ee1627 2014-11-07 marcelgmr     return 0;
507 71ee1627 2014-11-07 marcelgmr }