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