src/panelize.c

   1 /* External panelize
   2    Copyright (C) 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
   3    2007 Free Software Foundation, Inc.
   4
   5    Written by: 1995 Janne Kukonlehto
   6                1995 Jakub Jelinek
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  21  */
  22
  23 #include <config.h>
  24
  25 #include <errno.h>
  26 #include <stdio.h>
  27 #include <string.h>
  28
  29 #include <sys/types.h>
  30 #include <sys/stat.h>
  31 #include <unistd.h>
  32
  33 #include "global.h"
  34 #include "tty.h"                /* attrset() */
  35 #include "win.h"
  36 #include "color.h"
  37 #include "dialog.h"
  38 #include "widget.h"
  39 #include "wtools.h"             /* For common_dialog_repaint() */
  40 #include "setup.h"              /* For profile_bname */
  41 #include "profile.h"            /* Load/save directories panelize */
  42 #include "dir.h"
  43 #include "panel.h"              /* current_panel */
  44 #include "main.h"               /* repaint_screen */
  45 #include "panelize.h"
  46 #include "history.h"
  47
  48 #define UX              5
  49 #define UY              2
  50
  51 #define BX              5
  52 #define BY              18
  53
  54 #define BUTTONS         4
  55 #define LABELS          3
  56 #define B_ADD           B_USER
  57 #define B_REMOVE        (B_USER + 1)
  58
  59 static WListbox *l_panelize;
  60 static Dlg_head *panelize_dlg;
  61 static int last_listitem;
  62 static WInput *pname;
  63
  64 static struct {
  65     int ret_cmd, flags, y, x;
  66     const char *text;
  67 } panelize_but [BUTTONS] = {
  68     { B_CANCEL, NORMAL_BUTTON, 0, 53, N_("&Cancel")   },
  69     { B_ADD, NORMAL_BUTTON,    0, 28, N_("&Add new")  },
  70     { B_REMOVE, NORMAL_BUTTON, 0, 16, N_("&Remove")   },
  71     { B_ENTER, DEFPUSH_BUTTON, 0,  0, N_("Pane&lize") },
  72 };
  73
  74 static const char *panelize_section = "Panelize";
  75 static void do_external_panelize (char *command);
  76
  77 /* Directory panelize */
  78 static struct panelize {
  79     char *command;
  80     char *label;
  81     struct panelize *next;
  82 } *panelize = NULL;
  83
  84 static void
  85 update_command (void)
  86 {
  87     if (l_panelize->pos != last_listitem) {
  88         last_listitem = l_panelize->pos;
  89         assign_text (pname,
  90             ((struct panelize *) l_panelize->current->data)->command);
  91         pname->point = 0;
  92         update_input (pname, 1);
  93     }
  94 }
  95
  96 static cb_ret_t
  97 panelize_callback (Dlg_head *h, dlg_msg_t msg, int parm)
  98 {
  99     switch (msg) {
 100     case DLG_DRAW:
 101         common_dialog_repaint (h);
 102         attrset (COLOR_NORMAL);
 103         draw_box (h, UY, UX, h->lines - 10, h->cols - 10);
 104         return MSG_HANDLED;
 105
 106     case DLG_POST_KEY:
 107         /* fall */
 108     case DLG_INIT:
 109         attrset (MENU_ENTRY_COLOR);
 110         update_command ();
 111         return MSG_HANDLED;
 112
 113     default:
 114         return default_dlg_callback (h, msg, parm);
 115     }
 116 }
 117
 118 static void
 119 init_panelize (void)
 120 {
 121     int i, panelize_cols = COLS - 6;
 122     struct panelize *current = panelize;
 123
 124 #ifdef ENABLE_NLS
 125     static int i18n_flag = 0;
 126     static int maxlen = 0;
 127
 128     if (!i18n_flag) {
 129         i = sizeof (panelize_but) / sizeof (panelize_but[0]);
 130         while (i--) {
 131             panelize_but[i].text = _(panelize_but[i].text);
 132             maxlen += strlen (panelize_but[i].text) + 5;
 133         }
 134         maxlen += 10;
 135
 136         i18n_flag = 1;
 137     }
 138     panelize_cols = max (panelize_cols, maxlen);
 139
 140     panelize_but[2].x =
 141         panelize_but[3].x + strlen (panelize_but[3].text) + 7;
 142     panelize_but[1].x =
 143         panelize_but[2].x + strlen (panelize_but[2].text) + 5;
 144     panelize_but[0].x =
 145         panelize_cols - strlen (panelize_but[0].text) - 8 - BX;
 146
 147 #endif                          /* ENABLE_NLS */
 148
 149     last_listitem = 0;
 150
 151     do_refresh ();
 152
 153     panelize_dlg =
 154         create_dlg (0, 0, 22, panelize_cols, dialog_colors,
 155                     panelize_callback, "[External panelize]",
 156                     _("External panelize"), DLG_CENTER | DLG_REVERSE);
 157
 158     for (i = 0; i < BUTTONS; i++)
 159         add_widget (panelize_dlg,
 160                     button_new (BY + panelize_but[i].y,
 161                                 BX + panelize_but[i].x,
 162                                 panelize_but[i].ret_cmd,
 163                                 panelize_but[i].flags,
 164                                 panelize_but[i].text, 0));
 165
 166     pname =
 167         input_new (UY + 14, UX, INPUT_COLOR, panelize_dlg->cols - 10, "",
 168                    "in");
 169     add_widget (panelize_dlg, pname);
 170
 171     add_widget (panelize_dlg, label_new (UY + 13, UX, _("Command")));
 172
 173     /* get new listbox */
 174     l_panelize =
 175         listbox_new (UY + 1, UX + 1, panelize_dlg->cols - 12, 10, NULL);
 176
 177     while (current) {
 178         listbox_add_item (l_panelize, 0, 0, current->label, current);
 179         current = current->next;
 180     }
 181
 182     /* add listbox to the dialogs */
 183     add_widget (panelize_dlg, l_panelize);
 184
 185     listbox_select_entry (l_panelize,
 186                           listbox_search_text (l_panelize,
 187                                                _("Other command")));
 188 }
 189
 190 static void panelize_done (void)
 191 {
 192     destroy_dlg (panelize_dlg);
 193     repaint_screen ();
 194 }
 195
 196 static void add2panelize (char *label, char *command)
 197 {
 198     struct panelize *current, *old;
 199
 200     old = NULL;
 201     current = panelize;
 202     while (current && strcmp (current->label, label) <= 0){
 203         old = current;
 204         current = current->next;
 205     }
 206
 207     if (old == NULL){
 208         panelize = g_new (struct panelize, 1);
 209         panelize->label = label;
 210         panelize->command = command;
 211         panelize->next = current;
 212     } else {
 213         struct panelize *new;
 214         new = g_new (struct panelize, 1);
 215         new->label = label;
 216         new->command = command;
 217         old->next = new;
 218         new->next = current;
 219     }
 220 }
 221
 222 static void
 223 add2panelize_cmd (void)
 224 {
 225     char *label;
 226
 227     if (pname->buffer && (*pname->buffer)) {
 228         label = input_dialog (_(" Add to external panelize "),
 229                 _(" Enter command label: "),
 230                 MC_HISTORY_FM_PANELIZE_ADD,
 231                               "");
 232         if (!label)
 233             return;
 234         if (!*label) {
 235             g_free (label);
 236             return;
 237         }
 238
 239         add2panelize (label, g_strdup (pname->buffer));
 240     }
 241 }
 242
 243 static void remove_from_panelize (struct panelize *entry)
 244 {
 245     if (strcmp (entry->label, _("Other command")) != 0) {
 246         if (entry == panelize) {
 247             panelize = panelize->next;
 248         } else {
 249             struct panelize *current = panelize;
 250             while (current && current->next != entry)
 251                 current = current->next;
 252             if (current) {
 253                 current->next = entry->next;
 254             }
 255         }
 256
 257         g_free (entry->label);
 258         g_free (entry->command);
 259         g_free (entry);
 260     }
 261 }
 262
 263 void
 264 external_panelize (void)
 265 {
 266     char *target = NULL;
 267
 268     if (!vfs_current_is_local ()){
 269         message (1, MSG_ERROR,
 270                  _(" Cannot run external panelize in a non-local directory "));
 271         return;
 272     }
 273
 274     init_panelize ();
 275
 276     /* display file info */
 277     attrset (SELECTED_COLOR);
 278
 279     run_dlg (panelize_dlg);
 280
 281     switch (panelize_dlg->ret_value) {
 282     case B_CANCEL:
 283         break;
 284
 285     case B_ADD:
 286         add2panelize_cmd ();
 287         break;
 288
 289     case B_REMOVE:
 290         remove_from_panelize (l_panelize->current->data);
 291         break;
 292
 293     case B_ENTER:
 294         target = pname->buffer;
 295         if (target != NULL && *target) {
 296             char *cmd = g_strdup (target);
 297             destroy_dlg (panelize_dlg);
 298             do_external_panelize (cmd);
 299             g_free (cmd);
 300             repaint_screen ();
 301             return;
 302         }
 303         break;
 304     }
 305
 306     panelize_done ();
 307 }
 308
 309 void load_panelize (void)
 310 {
 311     void *profile_keys;
 312     char *key, *value;
 313
 314     profile_keys = profile_init_iterator (panelize_section, profile_name);
 315
 316     add2panelize (g_strdup (_("Other command")), g_strdup (""));
 317
 318     if (!profile_keys){
 319         add2panelize (g_strdup (_("Find rejects after patching")), g_strdup ("find . -name \\*.rej -print"));
 320         add2panelize (g_strdup (_("Find *.orig after patching")), g_strdup ("find . -name \\*.orig -print"));
 321         add2panelize (g_strdup (_("Find SUID and SGID programs")), g_strdup ("find . \\( \\( -perm -04000 -a -perm +011 \\) -o \\( -perm -02000 -a -perm +01 \\) \\) -print"));
 322         return;
 323     }
 324
 325     while (profile_keys){
 326         profile_keys = profile_iterator_next (profile_keys, &key, &value);
 327         add2panelize (g_strdup (key), g_strdup (value));
 328     }
 329 }
 330
 331 void save_panelize (void)
 332 {
 333     struct panelize *current = panelize;
 334
 335     profile_clean_section (panelize_section, profile_name);
 336     for (;current; current = current->next){
 337         if (strcmp (current->label, _("Other command")))
 338             WritePrivateProfileString (panelize_section,
 339                                        current->label,
 340                                        current->command,
 341                                        profile_name);
 342     }
 343     sync_profiles ();
 344 }
 345
 346 void done_panelize (void)
 347 {
 348     struct panelize *current = panelize;
 349     struct panelize *next;
 350
 351     for (; current; current = next){
 352         next = current->next;
 353         g_free (current->label);
 354         g_free (current->command);
 355         g_free (current);
 356     }
 357 }
 358
 359 static void do_external_panelize (char *command)
 360 {
 361     int status, link_to_dir, stale_link;
 362     int next_free = 0;
 363     struct stat st;
 364     dir_list *list = &current_panel->dir;
 365     char line [MC_MAXPATHLEN];
 366     char *name;
 367     FILE *external;
 368
 369     open_error_pipe ();
 370     external = popen (command, "r");
 371     if (!external){
 372         close_error_pipe (1, _("Cannot invoke command."));
 373         return;
 374     }
 375     /* Clear the counters and the directory list */
 376     panel_clean_dir (current_panel);
 377
 378     while (1) {
 379         clearerr(external);
 380         if (fgets (line, MC_MAXPATHLEN, external) == NULL) {
 381             if (ferror(external) && errno == EINTR)
 382                 continue;
 383             else
 384                 break;
 385         }
 386         if (line[strlen(line)-1] == '\n')
 387             line[strlen(line)-1] = 0;
 388         if (strlen(line) < 1)
 389             continue;
 390         if (line [0] == '.' && line[1] == PATH_SEP)
 391             name = line + 2;
 392         else
 393             name = line;
 394         status = handle_path (list, name, &st, next_free, &link_to_dir,
 395             &stale_link);
 396         if (status == 0)
 397             continue;
 398         if (status == -1)
 399             break;
 400         list->list [next_free].fnamelen = strlen (name);
 401         list->list [next_free].fname = g_strdup (name);
 402         file_mark (current_panel, next_free, 0);
 403         list->list [next_free].f.link_to_dir = link_to_dir;
 404         list->list [next_free].f.stale_link = stale_link;
 405         list->list [next_free].f.dir_size_computed = 0;
 406         list->list [next_free].st = st;
 407         next_free++;
 408         if (!(next_free & 32))
 409             rotate_dash ();
 410     }
 411
 412     current_panel->is_panelized = 1;
 413     if (next_free){
 414         current_panel->count = next_free;
 415         if (list->list [0].fname [0] == PATH_SEP){
 416             strcpy (current_panel->cwd, PATH_SEP_STR);
 417             chdir (PATH_SEP_STR);
 418         }
 419     } else {
 420         current_panel->count = set_zero_dir (list);
 421     }
 422     if (pclose (external) < 0)
 423         message (0, _("External panelize"), _("Pipe close failed"));
 424     close_error_pipe (0, 0);
 425     try_to_select (current_panel, NULL);
 426     panel_re_sort (current_panel);
 427 }