src/filemanager/cmd.c

   1 /*
   2    Routines invoked by a function key
   3    They normally operate on the current panel.
   4
   5    Copyright (C) 1994, 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   6    2005, 2006, 2007, 2009, 2011, 2013
   7    The Free Software Foundation, Inc.
   8
   9    This file is part of the Midnight Commander.
  10
  11    The Midnight Commander is free software: you can redistribute it
  12    and/or modify it under the terms of the GNU General Public License as
  13    published by the Free Software Foundation, either version 3 of the License,
  14    or (at your option) any later version.
  15
  16    The Midnight Commander is distributed in the hope that it will be useful,
  17    but WITHOUT ANY WARRANTY; without even the implied warranty of
  18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19    GNU General Public License for more details.
  20
  21    You should have received a copy of the GNU General Public License
  22    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  23  */
  24
  25 /** \file cmd.c
  26  *  \brief Source: routines invoked by a function key
  27  *
  28  *  They normally operate on the current panel.
  29  */
  30
  31 #include <config.h>
  32
  33 #include <errno.h>
  34 #include <stdio.h>
  35 #include <string.h>
  36
  37 #include <sys/types.h>
  38 #include <sys/stat.h>
  39 #ifdef HAVE_MMAP
  40 #include <sys/mman.h>
  41 #endif
  42 #ifdef ENABLE_VFS_NET
  43 #include <netdb.h>
  44 #endif
  45 #include <unistd.h>
  46 #include <stdlib.h>
  47 #include <fcntl.h>
  48 #include <pwd.h>
  49 #include <grp.h>
  50 #include <sys/time.h>
  51
  52 #include "lib/global.h"
  53
  54 #include "lib/tty/tty.h"        /* LINES, tty_touch_screen() */
  55 #include "lib/tty/key.h"        /* ALT() macro */
  56 #include "lib/tty/win.h"        /* do_enter_ca_mode() */
  57 #include "lib/mcconfig.h"
  58 #include "lib/search.h"
  59 #include "lib/filehighlight.h"  /* MC_FHL_INI_FILE */
  60 #include "lib/vfs/vfs.h"
  61 #include "lib/fileloc.h"
  62 #include "lib/strutil.h"
  63 #include "lib/util.h"
  64 #include "lib/widget.h"
  65 #include "lib/keybind.h"        /* CK_Down, CK_History */
  66 #include "lib/event.h"          /* mc_event_raise() */
  67
  68 #include "src/viewer/mcviewer.h"
  69 #include "src/setup.h"
  70 #include "src/execute.h"        /* toggle_panels() */
  71 #include "src/history.h"
  72 #include "src/util.h"           /* check_for_default() */
  73
  74 #ifdef USE_INTERNAL_EDIT
  75 #include "src/editor/edit.h"
  76 #endif
  77
  78 #ifdef USE_DIFF_VIEW
  79 #include "src/diffviewer/ydiff.h"
  80 #endif
  81
  82 #include "fileopctx.h"
  83 #include "file.h"               /* file operation routines */
  84 #include "find.h"               /* find_file() */
  85 #include "filenot.h"
  86 #include "hotlist.h"            /* hotlist_show() */
  87 #include "panel.h"              /* WPanel */
  88 #include "tree.h"               /* tree_chdir() */
  89 #include "midnight.h"           /* change_panel() */
  90 #include "usermenu.h"           /* MC_GLOBAL_MENU */
  91 #include "command.h"            /* cmdline */
  92 #include "layout.h"             /* get_current_type() */
  93 #include "ext.h"                /* regex_command() */
  94 #include "boxes.h"              /* cd_dialog() */
  95 #include "dir.h"
  96
  97 #include "cmd.h"                /* Our definitions */
  98
  99 /*** global variables ****************************************************************************/
 100
 101 int select_flags = SELECT_MATCH_CASE | SELECT_SHELL_PATTERNS;
 102
 103 /*** file scope macro definitions ****************************************************************/
 104
 105 #ifndef MAP_FILE
 106 #define MAP_FILE 0
 107 #endif
 108
 109 /*** file scope type declarations ****************************************************************/
 110
 111 enum CompareMode
 112 {
 113     compare_quick, compare_size_only, compare_thourough
 114 };
 115
 116 /*** file scope variables ************************************************************************/
 117
 118 #ifdef ENABLE_VFS_NET
 119 static const char *machine_str = N_("Enter machine name (F1 for details):");
 120 #endif /* ENABLE_VFS_NET */
 121
 122 /*** file scope functions ************************************************************************/
 123 /* --------------------------------------------------------------------------------------------- */
 124 /**
 125  * Run viewer (internal or external) on the currently selected file.
 126  * If normal is TRUE, force internal viewer and raw mode (used for F13).
 127  */
 128 static void
 129 do_view_cmd (gboolean normal)
 130 {
 131     /* Directories are viewed by changing to them */
 132     if (S_ISDIR (selection (current_panel)->st.st_mode) || link_isdir (selection (current_panel)))
 133     {
 134         vfs_path_t *fname_vpath;
 135
 136         if (confirm_view_dir && (current_panel->marked || current_panel->dirs_marked))
 137         {
 138             if (query_dialog
 139                 (_("Confirmation"), _("Files tagged, want to cd?"), D_NORMAL, 2,
 140                  _("&Yes"), _("&No")) != 0)
 141             {
 142                 return;
 143             }
 144         }
 145         fname_vpath = vfs_path_from_str (selection (current_panel)->fname);
 146         if (!do_cd (fname_vpath, cd_exact))
 147             message (D_ERROR, MSG_ERROR, _("Cannot change directory"));
 148         vfs_path_free (fname_vpath);
 149     }
 150     else
 151     {
 152         int file_idx;
 153         vfs_path_t *filename_vpath;
 154
 155         file_idx = current_panel->selected;
 156         filename_vpath = vfs_path_from_str (current_panel->dir.list[file_idx].fname);
 157         view_file (filename_vpath, normal, use_internal_view);
 158         vfs_path_free (filename_vpath);
 159     }
 160
 161     repaint_screen ();
 162 }
 163
 164 /* --------------------------------------------------------------------------------------------- */
 165
 166 static inline void
 167 do_edit (const vfs_path_t * what_vpath)
 168 {
 169     do_edit_at_line (what_vpath, use_internal_edit, 0);
 170 }
 171
 172 /* --------------------------------------------------------------------------------------------- */
 173
 174 static void
 175 set_panel_filter_to (WPanel * p, char *allocated_filter_string)
 176 {
 177     g_free (p->filter);
 178     p->filter = 0;
 179
 180     if (!(allocated_filter_string[0] == '*' && allocated_filter_string[1] == 0))
 181         p->filter = allocated_filter_string;
 182     else
 183         g_free (allocated_filter_string);
 184     reread_cmd ();
 185 }
 186
 187 /* --------------------------------------------------------------------------------------------- */
 188 /** Set a given panel filter expression */
 189
 190 static void
 191 set_panel_filter (WPanel * p)
 192 {
 193     char *reg_exp;
 194     const char *x;
 195
 196     x = p->filter ? p->filter : easy_patterns ? "*" : ".";
 197
 198     reg_exp = input_dialog_help (_("Filter"),
 199                                  _("Set expression for filtering filenames"),
 200                                  "[Filter...]", MC_HISTORY_FM_PANEL_FILTER, x, FALSE,
 201                                  INPUT_COMPLETE_FILENAMES);
 202     if (!reg_exp)
 203         return;
 204     set_panel_filter_to (p, reg_exp);
 205 }
 206
 207 /* --------------------------------------------------------------------------------------------- */
 208
 209 static void
 210 select_unselect_cmd (const char *title, const char *history_name, gboolean do_select)
 211 {
 212     int files_only = (select_flags & SELECT_FILES_ONLY) != 0;
 213     int case_sens = (select_flags & SELECT_MATCH_CASE) != 0;
 214     int shell_patterns = (select_flags & SELECT_SHELL_PATTERNS) != 0;
 215
 216     char *reg_exp;
 217     mc_search_t *search;
 218     int i;
 219
 220     quick_widget_t quick_widgets[] = {
 221         /* *INDENT-OFF* */
 222         QUICK_INPUT (INPUT_LAST_TEXT, history_name, &reg_exp, NULL,
 223                      FALSE, FALSE, INPUT_COMPLETE_FILENAMES),
 224         QUICK_START_COLUMNS,
 225             QUICK_CHECKBOX (N_("&Files only"), &files_only, NULL),
 226             QUICK_CHECKBOX (N_("&Using shell patterns"), &shell_patterns, NULL),
 227         QUICK_NEXT_COLUMN,
 228             QUICK_CHECKBOX (N_("&Case sensitive"), &case_sens, NULL),
 229         QUICK_STOP_COLUMNS,
 230         QUICK_END
 231         /* *INDENT-ON* */
 232     };
 233
 234     quick_dialog_t qdlg = {
 235         -1, -1, 50,
 236         title, "[Select/Unselect Files]",
 237         quick_widgets, NULL, NULL
 238     };
 239
 240     if (quick_dialog (&qdlg) == B_CANCEL)
 241         return;
 242
 243     if (reg_exp == NULL || *reg_exp == '\0')
 244     {
 245         g_free (reg_exp);
 246         return;
 247     }
 248
 249     search = mc_search_new (reg_exp, -1);
 250     search->search_type = (shell_patterns != 0) ? MC_SEARCH_T_GLOB : MC_SEARCH_T_REGEX;
 251     search->is_entire_line = TRUE;
 252     search->is_case_sensitive = case_sens != 0;
 253
 254     for (i = 0; i < current_panel->count; i++)
 255     {
 256         if (strcmp (current_panel->dir.list[i].fname, "..") == 0)
 257             continue;
 258         if (S_ISDIR (current_panel->dir.list[i].st.st_mode) && files_only != 0)
 259             continue;
 260
 261         if (mc_search_run (search, current_panel->dir.list[i].fname,
 262                            0, current_panel->dir.list[i].fnamelen, NULL))
 263             do_file_mark (current_panel, i, do_select);
 264     }
 265
 266     mc_search_free (search);
 267     g_free (reg_exp);
 268
 269     /* result flags */
 270     select_flags = 0;
 271     if (case_sens != 0)
 272         select_flags |= SELECT_MATCH_CASE;
 273     if (files_only != 0)
 274         select_flags |= SELECT_FILES_ONLY;
 275     if (shell_patterns != 0)
 276         select_flags |= SELECT_SHELL_PATTERNS;
 277 }
 278
 279 /* --------------------------------------------------------------------------------------------- */
 280
 281 static int
 282 compare_files (const vfs_path_t * vpath1, const vfs_path_t * vpath2, off_t size)
 283 {
 284     int file1, file2;
 285     char *name;
 286     int result = -1;            /* Different by default */
 287
 288     if (size == 0)
 289         return 0;
 290
 291     name = vfs_path_to_str (vpath1);
 292     file1 = open (name, O_RDONLY);
 293     g_free (name);
 294     if (file1 >= 0)
 295     {
 296         name = vfs_path_to_str (vpath2);
 297         file2 = open (name, O_RDONLY);
 298         g_free (name);
 299         if (file2 >= 0)
 300         {
 301 #ifdef HAVE_MMAP
 302             char *data1, *data2;
 303             /* Ugly if jungle */
 304             data1 = mmap (0, size, PROT_READ, MAP_FILE | MAP_PRIVATE, file1, 0);
 305             if (data1 != (char *) -1)
 306             {
 307                 data2 = mmap (0, size, PROT_READ, MAP_FILE | MAP_PRIVATE, file2, 0);
 308                 if (data2 != (char *) -1)
 309                 {
 310                     rotate_dash ();
 311                     result = memcmp (data1, data2, size);
 312                     munmap (data2, size);
 313                 }
 314                 munmap (data1, size);
 315             }
 316 #else
 317             /* Don't have mmap() :( Even more ugly :) */
 318             char buf1[BUFSIZ], buf2[BUFSIZ];
 319             int n1, n2;
 320             rotate_dash ();
 321             do
 322             {
 323                 while ((n1 = read (file1, buf1, BUFSIZ)) == -1 && errno == EINTR);
 324                 while ((n2 = read (file2, buf2, BUFSIZ)) == -1 && errno == EINTR);
 325             }
 326             while (n1 == n2 && n1 == BUFSIZ && !memcmp (buf1, buf2, BUFSIZ));
 327             result = (n1 != n2) || memcmp (buf1, buf2, n1);
 328 #endif /* !HAVE_MMAP */
 329             close (file2);
 330         }
 331         close (file1);
 332     }
 333     return result;
 334 }
 335
 336 /* --------------------------------------------------------------------------------------------- */
 337
 338 static void
 339 compare_dir (WPanel * panel, WPanel * other, enum CompareMode mode)
 340 {
 341     int i, j;
 342
 343     /* No marks by default */
 344     panel->marked = 0;
 345     panel->total = 0;
 346     panel->dirs_marked = 0;
 347
 348     /* Handle all files in the panel */
 349     for (i = 0; i < panel->count; i++)
 350     {
 351         file_entry *source = &panel->dir.list[i];
 352
 353         /* Default: unmarked */
 354         file_mark (panel, i, 0);
 355
 356         /* Skip directories */
 357         if (S_ISDIR (source->st.st_mode))
 358             continue;
 359
 360         /* Search the corresponding entry from the other panel */
 361         for (j = 0; j < other->count; j++)
 362         {
 363             if (strcmp (source->fname, other->dir.list[j].fname) == 0)
 364                 break;
 365         }
 366         if (j >= other->count)
 367             /* Not found -> mark */
 368             do_file_mark (panel, i, 1);
 369         else
 370         {
 371             /* Found */
 372             file_entry *target = &other->dir.list[j];
 373
 374             if (mode != compare_size_only)
 375             {
 376                 /* Older version is not marked */
 377                 if (source->st.st_mtime < target->st.st_mtime)
 378                     continue;
 379             }
 380
 381             /* Newer version with different size is marked */
 382             if (source->st.st_size != target->st.st_size)
 383             {
 384                 do_file_mark (panel, i, 1);
 385                 continue;
 386
 387             }
 388             if (mode == compare_size_only)
 389                 continue;
 390
 391             if (mode == compare_quick)
 392             {
 393                 /* Thorough compare off, compare only time stamps */
 394                 /* Mark newer version, don't mark version with the same date */
 395                 if (source->st.st_mtime > target->st.st_mtime)
 396                 {
 397                     do_file_mark (panel, i, 1);
 398                 }
 399                 continue;
 400             }
 401
 402             /* Thorough compare on, do byte-by-byte comparison */
 403             {
 404                 vfs_path_t *src_name, *dst_name;
 405
 406                 src_name = vfs_path_append_new (panel->cwd_vpath, source->fname, NULL);
 407                 dst_name = vfs_path_append_new (other->cwd_vpath, target->fname, NULL);
 408                 if (compare_files (src_name, dst_name, source->st.st_size))
 409                     do_file_mark (panel, i, 1);
 410                 vfs_path_free (src_name);
 411                 vfs_path_free (dst_name);
 412             }
 413         }
 414     }                           /* for (i ...) */
 415 }
 416
 417 /* --------------------------------------------------------------------------------------------- */
 418
 419 static void
 420 do_link (link_type_t link_type, const char *fname)
 421 {
 422     char *dest = NULL, *src = NULL;
 423     vfs_path_t *fname_vpath, *dest_vpath = NULL;
 424
 425     fname_vpath = vfs_path_from_str (fname);
 426     if (link_type == LINK_HARDLINK)
 427     {
 428         src = g_strdup_printf (_("Link %s to:"), str_trunc (fname, 46));
 429         dest =
 430             input_expand_dialog (_("Link"), src, MC_HISTORY_FM_LINK, "", INPUT_COMPLETE_FILENAMES);
 431         if (!dest || !*dest)
 432             goto cleanup;
 433         save_cwds_stat ();
 434         dest_vpath = vfs_path_from_str (dest);
 435         if (-1 == mc_link (fname_vpath, dest_vpath))
 436             message (D_ERROR, MSG_ERROR, _("link: %s"), unix_error_string (errno));
 437     }
 438     else
 439     {
 440         vfs_path_t *s, *d;
 441
 442         /* suggest the full path for symlink, and either the full or
 443            relative path to the file it points to  */
 444         s = vfs_path_append_new (current_panel->cwd_vpath, fname, NULL);
 445
 446         if (get_other_type () == view_listing)
 447             d = vfs_path_append_new (other_panel->cwd_vpath, fname, NULL);
 448         else
 449             d = vfs_path_from_str (fname);
 450
 451         if (link_type == LINK_SYMLINK_RELATIVE)
 452         {
 453             char *s_str;
 454
 455             s_str = diff_two_paths (other_panel->cwd_vpath, s);
 456             vfs_path_free (s);
 457             s = vfs_path_from_str_flags (s_str, VPF_NO_CANON);
 458             g_free (s_str);
 459         }
 460
 461         symlink_dialog (s, d, &dest, &src);
 462         vfs_path_free (d);
 463         vfs_path_free (s);
 464
 465         if (!dest || !*dest || !src || !*src)
 466             goto cleanup;
 467         save_cwds_stat ();
 468
 469         dest_vpath = vfs_path_from_str_flags (dest, VPF_NO_CANON);
 470
 471         s = vfs_path_from_str (src);
 472         if (mc_symlink (dest_vpath, s) == -1)
 473             message (D_ERROR, MSG_ERROR, _("symlink: %s"), unix_error_string (errno));
 474         vfs_path_free (s);
 475     }
 476
 477     update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 478     repaint_screen ();
 479
 480   cleanup:
 481     vfs_path_free (fname_vpath);
 482     vfs_path_free (dest_vpath);
 483     g_free (src);
 484     g_free (dest);
 485 }
 486
 487 /* --------------------------------------------------------------------------------------------- */
 488
 489 #if defined(ENABLE_VFS_UNDELFS) || defined(ENABLE_VFS_NET)
 490 static void
 491 nice_cd (const char *text, const char *xtext, const char *help,
 492          const char *history_name, const char *prefix, int to_home, gboolean strip_password)
 493 {
 494     char *machine;
 495     char *cd_path;
 496
 497     if (!SELECTED_IS_PANEL)
 498         return;
 499
 500     machine =
 501         input_dialog_help (text, xtext, help, history_name, "", strip_password,
 502                            INPUT_COMPLETE_FILENAMES | INPUT_COMPLETE_CD | INPUT_COMPLETE_HOSTNAMES |
 503                            INPUT_COMPLETE_USERNAMES);
 504     if (machine == NULL)
 505         return;
 506
 507     to_home = 0;                /* FIXME: how to solve going to home nicely? /~/ is
 508                                    ugly as hell and leads to problems in vfs layer */
 509
 510     if (strncmp (prefix, machine, strlen (prefix)) == 0)
 511         cd_path = g_strconcat (machine, to_home ? "/~/" : (char *) NULL, (char *) NULL);
 512     else
 513         cd_path = g_strconcat (prefix, machine, to_home ? "/~/" : (char *) NULL, (char *) NULL);
 514
 515     g_free (machine);
 516
 517     if (*cd_path != PATH_SEP)
 518     {
 519         char *tmp = cd_path;
 520
 521         cd_path = g_strconcat (PATH_SEP_STR, tmp, (char *) NULL);
 522         g_free (tmp);
 523     }
 524
 525     {
 526         vfs_path_t *cd_vpath;
 527
 528         cd_vpath = vfs_path_from_str_flags (cd_path, VPF_NO_CANON);
 529         if (!do_panel_cd (MENU_PANEL, cd_vpath, cd_parse_command))
 530             message (D_ERROR, MSG_ERROR, _("Cannot chdir to \"%s\""), cd_path);
 531         vfs_path_free (cd_vpath);
 532     }
 533     g_free (cd_path);
 534 }
 535 #endif /* ENABLE_VFS_UNDELFS || ENABLE_VFS_NET */
 536
 537 /* --------------------------------------------------------------------------------------------- */
 538
 539 static void
 540 configure_panel_listing (WPanel * p, int list_type, int use_msformat, char *user, char *status)
 541 {
 542     p->user_mini_status = use_msformat;
 543     p->list_type = list_type;
 544
 545     if (list_type == list_user || use_msformat)
 546     {
 547         g_free (p->user_format);
 548         p->user_format = user;
 549
 550         g_free (p->user_status_format[list_type]);
 551         p->user_status_format[list_type] = status;
 552
 553         set_panel_formats (p);
 554     }
 555     else
 556     {
 557         g_free (user);
 558         g_free (status);
 559     }
 560
 561     set_panel_formats (p);
 562     do_refresh ();
 563 }
 564
 565 /* --------------------------------------------------------------------------------------------- */
 566
 567 static void
 568 switch_to_listing (int panel_index)
 569 {
 570     if (get_display_type (panel_index) != view_listing)
 571         set_display_type (panel_index, view_listing);
 572     else
 573     {
 574         WPanel *p;
 575
 576         p = (WPanel *) get_panel_widget (panel_index);
 577         if (p->is_panelized)
 578         {
 579             p->is_panelized = FALSE;
 580             panel_reload (p);
 581         }
 582     }
 583 }
 584
 585 /* --------------------------------------------------------------------------------------------- */
 586 /** Handle the tree internal listing modes switching */
 587
 588 static gboolean
 589 set_basic_panel_listing_to (int panel_index, int listing_mode)
 590 {
 591     WPanel *p = (WPanel *) get_panel_widget (panel_index);
 592     gboolean ok;
 593
 594     switch_to_listing (panel_index);
 595     p->list_type = listing_mode;
 596
 597     ok = set_panel_formats (p) == 0;
 598
 599     if (ok)
 600         do_refresh ();
 601
 602     return ok;
 603 }
 604
 605 /* --------------------------------------------------------------------------------------------- */
 606 /*** public functions ****************************************************************************/
 607 /* --------------------------------------------------------------------------------------------- */
 608
 609 gboolean
 610 view_file_at_line (const vfs_path_t * filename_vpath, int plain_view, int internal, int start_line)
 611 {
 612     static const char *viewer = NULL;
 613     gboolean ret = TRUE;
 614
 615     if (plain_view)
 616     {
 617         int changed_hex_mode = 0;
 618         int changed_nroff_flag = 0;
 619         int changed_magic_flag = 0;
 620
 621         mcview_altered_hex_mode = 0;
 622         mcview_altered_nroff_flag = 0;
 623         mcview_altered_magic_flag = 0;
 624         if (mcview_default_hex_mode)
 625             changed_hex_mode = 1;
 626         if (mcview_default_nroff_flag)
 627             changed_nroff_flag = 1;
 628         if (mcview_default_magic_flag)
 629             changed_magic_flag = 1;
 630         mcview_default_hex_mode = 0;
 631         mcview_default_nroff_flag = 0;
 632         mcview_default_magic_flag = 0;
 633
 634         ret = mcview_viewer (NULL, filename_vpath, start_line);
 635
 636         if (changed_hex_mode && !mcview_altered_hex_mode)
 637             mcview_default_hex_mode = 1;
 638         if (changed_nroff_flag && !mcview_altered_nroff_flag)
 639             mcview_default_nroff_flag = 1;
 640         if (changed_magic_flag && !mcview_altered_magic_flag)
 641             mcview_default_magic_flag = 1;
 642
 643         dialog_switch_process_pending ();
 644     }
 645     else if (internal)
 646     {
 647         char view_entry[BUF_TINY];
 648
 649         if (start_line != 0)
 650             g_snprintf (view_entry, sizeof (view_entry), "View:%d", start_line);
 651         else
 652             strcpy (view_entry, "View");
 653
 654         ret = (regex_command (filename_vpath, view_entry) == 0);
 655         if (ret)
 656         {
 657             ret = mcview_viewer (NULL, filename_vpath, start_line);
 658             dialog_switch_process_pending ();
 659         }
 660     }
 661     else
 662     {
 663         if (viewer == NULL)
 664         {
 665             viewer = getenv ("VIEWER");
 666             if (viewer == NULL)
 667                 viewer = getenv ("PAGER");
 668             if (viewer == NULL)
 669                 viewer = "view";
 670         }
 671
 672         execute_external_editor_or_viewer (viewer, filename_vpath, start_line);
 673     }
 674
 675     return ret;
 676 }
 677
 678 /* --------------------------------------------------------------------------------------------- */
 679 /** view_file (filename, plain_view, internal)
 680  *
 681  * Inputs:
 682  *   filename_vpath: The file name to view
 683  *   plain_view:     If set does not do any fancy pre-processing (no filtering) and
 684  *                   always invokes the internal viewer.
 685  *   internal:       If set uses the internal viewer, otherwise an external viewer.
 686  */
 687
 688 gboolean
 689 view_file (const vfs_path_t * filename_vpath, int plain_view, int internal)
 690 {
 691     return view_file_at_line (filename_vpath, plain_view, internal, 0);
 692 }
 693
 694
 695 /* --------------------------------------------------------------------------------------------- */
 696 /** Run user's preferred viewer on the currently selected file */
 697
 698 void
 699 view_cmd (void)
 700 {
 701     do_view_cmd (FALSE);
 702 }
 703
 704 /* --------------------------------------------------------------------------------------------- */
 705 /** Ask for file and run user's preferred viewer on it */
 706
 707 void
 708 view_file_cmd (void)
 709 {
 710     char *filename;
 711     vfs_path_t *vpath;
 712
 713     filename =
 714         input_expand_dialog (_("View file"), _("Filename:"),
 715                              MC_HISTORY_FM_VIEW_FILE, selection (current_panel)->fname,
 716                              INPUT_COMPLETE_FILENAMES);
 717     if (!filename)
 718         return;
 719
 720     vpath = vfs_path_from_str (filename);
 721     g_free (filename);
 722     view_file (vpath, 0, use_internal_view);
 723     vfs_path_free (vpath);
 724 }
 725
 726 /* --------------------------------------------------------------------------------------------- */
 727 /** Run plain internal viewer on the currently selected file */
 728 void
 729 view_raw_cmd (void)
 730 {
 731     do_view_cmd (TRUE);
 732 }
 733
 734 /* --------------------------------------------------------------------------------------------- */
 735
 736 void
 737 view_filtered_cmd (void)
 738 {
 739     char *command;
 740     const char *initial_command;
 741
 742     if (cmdline->buffer[0] == '\0')
 743         initial_command = selection (current_panel)->fname;
 744     else
 745         initial_command = cmdline->buffer;
 746
 747     command =
 748         input_dialog (_("Filtered view"),
 749                       _("Filter command and arguments:"),
 750                       MC_HISTORY_FM_FILTERED_VIEW, initial_command,
 751                       INPUT_COMPLETE_FILENAMES | INPUT_COMPLETE_COMMANDS);
 752
 753     if (command != NULL)
 754     {
 755         mcview_viewer (command, NULL, 0);
 756         g_free (command);
 757         dialog_switch_process_pending ();
 758     }
 759 }
 760
 761 /* --------------------------------------------------------------------------------------------- */
 762
 763 void
 764 do_edit_at_line (const vfs_path_t * what_vpath, gboolean internal, int start_line)
 765 {
 766     static const char *editor = NULL;
 767
 768 #ifdef USE_INTERNAL_EDIT
 769     if (internal)
 770         edit_file (what_vpath, start_line);
 771     else
 772 #endif /* USE_INTERNAL_EDIT */
 773     {
 774         if (editor == NULL)
 775         {
 776             editor = getenv ("EDITOR");
 777             if (editor == NULL)
 778                 editor = get_default_editor ();
 779         }
 780         execute_external_editor_or_viewer (editor, what_vpath, start_line);
 781     }
 782
 783     if (mc_global.mc_run_mode == MC_RUN_FULL)
 784         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 785
 786 #ifdef USE_INTERNAL_EDIT
 787     if (use_internal_edit)
 788         dialog_switch_process_pending ();
 789     else
 790 #endif /* USE_INTERNAL_EDIT */
 791         repaint_screen ();
 792 }
 793
 794 /* --------------------------------------------------------------------------------------------- */
 795
 796 void
 797 edit_cmd (void)
 798 {
 799     vfs_path_t *fname;
 800
 801     fname = vfs_path_from_str (selection (current_panel)->fname);
 802     if (regex_command (fname, "Edit") == 0)
 803         do_edit (fname);
 804     vfs_path_free (fname);
 805 }
 806
 807 /* --------------------------------------------------------------------------------------------- */
 808
 809 #ifdef USE_INTERNAL_EDIT
 810 void
 811 edit_cmd_force_internal (void)
 812 {
 813     vfs_path_t *fname;
 814
 815     fname = vfs_path_from_str (selection (current_panel)->fname);
 816     if (regex_command (fname, "Edit") == 0)
 817         do_edit_at_line (fname, TRUE, 0);
 818     vfs_path_free (fname);
 819 }
 820 #endif
 821
 822 /* --------------------------------------------------------------------------------------------- */
 823
 824 void
 825 edit_cmd_new (void)
 826 {
 827     vfs_path_t *fname_vpath = NULL;
 828
 829     if (editor_ask_filename_before_edit)
 830     {
 831         char *fname;
 832
 833         fname = input_expand_dialog (_("Edit file"), _("Enter file name:"),
 834                                      MC_HISTORY_EDIT_LOAD, "", INPUT_COMPLETE_FILENAMES);
 835         if (fname == NULL)
 836             return;
 837
 838         if (*fname != '\0')
 839             fname_vpath = vfs_path_from_str (fname);
 840
 841         g_free (fname);
 842     }
 843
 844 #ifdef HAVE_CHARSET
 845     mc_global.source_codepage = default_source_codepage;
 846 #endif
 847     do_edit (fname_vpath);
 848
 849     vfs_path_free (fname_vpath);
 850 }
 851
 852 /* --------------------------------------------------------------------------------------------- */
 853 /** Invoked by F5.  Copy, default to the other panel.  */
 854
 855 void
 856 copy_cmd (void)
 857 {
 858     save_cwds_stat ();
 859     if (panel_operate (current_panel, OP_COPY, FALSE))
 860     {
 861         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 862         repaint_screen ();
 863     }
 864 }
 865
 866 /* --------------------------------------------------------------------------------------------- */
 867 /** Invoked by F6.  Move/rename, default to the other panel, ignore marks.  */
 868
 869 void
 870 rename_cmd (void)
 871 {
 872     save_cwds_stat ();
 873     if (panel_operate (current_panel, OP_MOVE, FALSE))
 874     {
 875         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 876         repaint_screen ();
 877     }
 878 }
 879
 880 /* --------------------------------------------------------------------------------------------- */
 881 /** Invoked by F15.  Copy, default to the same panel, ignore marks.  */
 882
 883 void
 884 copy_cmd_local (void)
 885 {
 886     save_cwds_stat ();
 887     if (panel_operate (current_panel, OP_COPY, TRUE))
 888     {
 889         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 890         repaint_screen ();
 891     }
 892 }
 893
 894 /* --------------------------------------------------------------------------------------------- */
 895 /** Invoked by F16.  Move/rename, default to the same panel.  */
 896
 897 void
 898 rename_cmd_local (void)
 899 {
 900     save_cwds_stat ();
 901     if (panel_operate (current_panel, OP_MOVE, TRUE))
 902     {
 903         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 904         repaint_screen ();
 905     }
 906 }
 907
 908 /* --------------------------------------------------------------------------------------------- */
 909
 910 void
 911 mkdir_cmd (void)
 912 {
 913     char *dir;
 914     const char *name = "";
 915
 916     /* If 'on' then automatically fills name with current selected item name */
 917     if (auto_fill_mkdir_name && strcmp (selection (current_panel)->fname, "..") != 0)
 918         name = selection (current_panel)->fname;
 919
 920     dir =
 921         input_expand_dialog (_("Create a new Directory"),
 922                              _("Enter directory name:"), MC_HISTORY_FM_MKDIR, name,
 923                              INPUT_COMPLETE_FILENAMES);
 924
 925     if (dir != NULL && dir != '\0')
 926     {
 927         vfs_path_t *absdir;
 928
 929         if (dir[0] == '/' || dir[0] == '~')
 930             absdir = vfs_path_from_str (dir);
 931         else
 932         {
 933             /* possible escaped '~' */
 934             /* allow create directory with name '~' */
 935             char *tmpdir = dir;
 936
 937             if (dir[0] == '\\' && dir[1] == '~')
 938                 tmpdir = dir + 1;
 939
 940             absdir = vfs_path_append_new (current_panel->cwd_vpath, tmpdir, NULL);
 941         }
 942
 943         save_cwds_stat ();
 944         if (my_mkdir (absdir, 0777) == 0)
 945         {
 946             update_panels (UP_OPTIMIZE, dir);
 947             repaint_screen ();
 948             select_item (current_panel);
 949         }
 950         else
 951         {
 952             message (D_ERROR, MSG_ERROR, "%s", unix_error_string (errno));
 953         }
 954         vfs_path_free (absdir);
 955     }
 956     g_free (dir);
 957 }
 958
 959 /* --------------------------------------------------------------------------------------------- */
 960
 961 void
 962 delete_cmd (void)
 963 {
 964     save_cwds_stat ();
 965
 966     if (panel_operate (current_panel, OP_DELETE, FALSE))
 967     {
 968         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 969         repaint_screen ();
 970     }
 971 }
 972
 973 /* --------------------------------------------------------------------------------------------- */
 974 /** Invoked by F18.  Remove selected file, regardless of marked files.  */
 975
 976 void
 977 delete_cmd_local (void)
 978 {
 979     save_cwds_stat ();
 980
 981     if (panel_operate (current_panel, OP_DELETE, TRUE))
 982     {
 983         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 984         repaint_screen ();
 985     }
 986 }
 987
 988 /* --------------------------------------------------------------------------------------------- */
 989
 990 void
 991 find_cmd (void)
 992 {
 993     find_file ();
 994 }
 995
 996 /* --------------------------------------------------------------------------------------------- */
 997 /** Invoked from the left/right menus */
 998
 999 void
1000 filter_cmd (void)
1001 {
1002     WPanel *p;
1003
1004     if (!SELECTED_IS_PANEL)
1005         return;
1006
1007     p = MENU_PANEL;
1008     set_panel_filter (p);
1009 }
1010
1011 /* --------------------------------------------------------------------------------------------- */
1012
1013 void
1014 reread_cmd (void)
1015 {
1016     panel_update_flags_t flag = UP_ONLY_CURRENT;
1017
1018     if (get_current_type () == view_listing && get_other_type () == view_listing &&
1019         vfs_path_cmp (current_panel->cwd_vpath, other_panel->cwd_vpath) == 0)
1020         flag = UP_OPTIMIZE;
1021
1022     update_panels (UP_RELOAD | flag, UP_KEEPSEL);
1023     repaint_screen ();
1024 }
1025
1026 /* --------------------------------------------------------------------------------------------- */
1027
1028 void
1029 select_invert_cmd (void)
1030 {
1031     int i;
1032     file_entry *file;
1033
1034     for (i = 0; i < current_panel->count; i++)
1035     {
1036         file = &current_panel->dir.list[i];
1037         if (!panels_options.reverse_files_only || !S_ISDIR (file->st.st_mode))
1038             do_file_mark (current_panel, i, !file->f.marked);
1039     }
1040 }
1041
1042 /* --------------------------------------------------------------------------------------------- */
1043
1044 void
1045 select_cmd (void)
1046 {
1047     select_unselect_cmd (_("Select"), ":select_cmd: Select ", TRUE);
1048 }
1049
1050 /* --------------------------------------------------------------------------------------------- */
1051
1052 void
1053 unselect_cmd (void)
1054 {
1055     select_unselect_cmd (_("Unselect"), ":unselect_cmd: Unselect ", FALSE);
1056 }
1057
1058 /* --------------------------------------------------------------------------------------------- */
1059
1060 void
1061 ext_cmd (void)
1062 {
1063     vfs_path_t *buffer_vpath;
1064     vfs_path_t *extdir_vpath;
1065     int dir;
1066
1067     dir = 0;
1068     if (geteuid () == 0)
1069     {
1070         dir = query_dialog (_("Extension file edit"),
1071                             _("Which extension file you want to edit?"), D_NORMAL, 2,
1072                             _("&User"), _("&System Wide"));
1073     }
1074     extdir_vpath = vfs_path_build_filename (mc_global.sysconfig_dir, MC_LIB_EXT, NULL);
1075
1076     if (dir == 0)
1077     {
1078         buffer_vpath = mc_config_get_full_vpath (MC_FILEBIND_FILE);
1079         check_for_default (extdir_vpath, buffer_vpath);
1080         do_edit (buffer_vpath);
1081         vfs_path_free (buffer_vpath);
1082     }
1083     else if (dir == 1)
1084     {
1085         if (!exist_file (vfs_path_get_last_path_str (extdir_vpath)))
1086         {
1087             vfs_path_free (extdir_vpath);
1088             extdir_vpath = vfs_path_build_filename (mc_global.share_data_dir, MC_LIB_EXT, NULL);
1089         }
1090         do_edit (extdir_vpath);
1091     }
1092     vfs_path_free (extdir_vpath);
1093     flush_extension_file ();
1094 }
1095
1096 /* --------------------------------------------------------------------------------------------- */
1097 /** edit file menu for mc */
1098
1099 void
1100 edit_mc_menu_cmd (void)
1101 {
1102     vfs_path_t *buffer_vpath;
1103     vfs_path_t *menufile_vpath;
1104     int dir = 0;
1105
1106     dir = query_dialog (_("Menu edit"),
1107                         _("Which menu file do you want to edit?"),
1108                         D_NORMAL, geteuid ()? 2 : 3, _("&Local"), _("&User"), _("&System Wide"));
1109
1110     menufile_vpath = vfs_path_build_filename (mc_global.sysconfig_dir, MC_GLOBAL_MENU, NULL);
1111
1112     if (!exist_file (vfs_path_get_last_path_str (menufile_vpath)))
1113     {
1114         vfs_path_free (menufile_vpath);
1115         menufile_vpath = vfs_path_build_filename (mc_global.share_data_dir, MC_GLOBAL_MENU, NULL);
1116     }
1117
1118     switch (dir)
1119     {
1120     case 0:
1121         buffer_vpath = vfs_path_from_str (MC_LOCAL_MENU);
1122         check_for_default (menufile_vpath, buffer_vpath);
1123         chmod (vfs_path_get_last_path_str (buffer_vpath), 0600);
1124         break;
1125
1126     case 1:
1127         buffer_vpath = mc_config_get_full_vpath (MC_USERMENU_FILE);
1128         check_for_default (menufile_vpath, buffer_vpath);
1129         break;
1130
1131     case 2:
1132         buffer_vpath = vfs_path_build_filename (mc_global.sysconfig_dir, MC_GLOBAL_MENU, NULL);
1133         if (!exist_file (vfs_path_get_last_path_str (buffer_vpath)))
1134         {
1135             vfs_path_free (buffer_vpath);
1136             buffer_vpath = vfs_path_build_filename (mc_global.share_data_dir, MC_GLOBAL_MENU, NULL);
1137         }
1138         break;
1139
1140     default:
1141         vfs_path_free (menufile_vpath);
1142         return;
1143     }
1144
1145     do_edit (buffer_vpath);
1146
1147     vfs_path_free (buffer_vpath);
1148     vfs_path_free (menufile_vpath);
1149 }
1150
1151 /* --------------------------------------------------------------------------------------------- */
1152
1153 void
1154 edit_fhl_cmd (void)
1155 {
1156     vfs_path_t *buffer_vpath = NULL;
1157     vfs_path_t *fhlfile_vpath = NULL;
1158
1159     int dir;
1160
1161     dir = 0;
1162     if (geteuid () == 0)
1163     {
1164         dir = query_dialog (_("Highlighting groups file edit"),
1165                             _("Which highlighting file you want to edit?"), D_NORMAL, 2,
1166                             _("&User"), _("&System Wide"));
1167     }
1168     fhlfile_vpath = vfs_path_build_filename (mc_global.sysconfig_dir, MC_FHL_INI_FILE, NULL);
1169
1170     if (dir == 0)
1171     {
1172         buffer_vpath = mc_config_get_full_vpath (MC_FHL_INI_FILE);
1173         check_for_default (fhlfile_vpath, buffer_vpath);
1174         do_edit (buffer_vpath);
1175         vfs_path_free (buffer_vpath);
1176     }
1177     else if (dir == 1)
1178     {
1179         if (!exist_file (vfs_path_get_last_path_str (fhlfile_vpath)))
1180         {
1181             vfs_path_free (fhlfile_vpath);
1182             fhlfile_vpath =
1183                 vfs_path_build_filename (mc_global.sysconfig_dir, MC_FHL_INI_FILE, NULL);
1184         }
1185         do_edit (fhlfile_vpath);
1186     }
1187     vfs_path_free (fhlfile_vpath);
1188
1189     /* refresh highlighting rules */
1190     mc_fhl_free (&mc_filehighlight);
1191     mc_filehighlight = mc_fhl_new (TRUE);
1192 }
1193
1194 /* --------------------------------------------------------------------------------------------- */
1195
1196 void
1197 hotlist_cmd (void)
1198 {
1199     char *target;
1200
1201     target = hotlist_show (LIST_HOTLIST);
1202     if (!target)
1203         return;
1204
1205     if (get_current_type () == view_tree)
1206         tree_chdir (the_tree, target);
1207     else
1208     {
1209         vfs_path_t *deprecated_vpath;
1210         char *cmd, *normalized_target;
1211
1212         deprecated_vpath = vfs_path_from_str_flags (target, VPF_USE_DEPRECATED_PARSER);
1213         normalized_target = vfs_path_to_str (deprecated_vpath);
1214         cmd = g_strconcat ("cd ", normalized_target, (char *) NULL);
1215         g_free (normalized_target);
1216         vfs_path_free (deprecated_vpath);
1217
1218         do_cd_command (cmd);
1219         g_free (cmd);
1220     }
1221     g_free (target);
1222 }
1223
1224 #ifdef ENABLE_VFS
1225 void
1226 vfs_list (void)
1227 {
1228     char *target;
1229     vfs_path_t *target_vpath;
1230
1231     target = hotlist_show (LIST_VFSLIST);
1232     if (!target)
1233         return;
1234
1235     target_vpath = vfs_path_from_str (target);
1236     if (!do_cd (target_vpath, cd_exact))
1237         message (D_ERROR, MSG_ERROR, _("Cannot change directory"));
1238     vfs_path_free (target_vpath);
1239     g_free (target);
1240 }
1241 #endif /* ENABLE_VFS */
1242
1243 /* --------------------------------------------------------------------------------------------- */
1244
1245 void
1246 compare_dirs_cmd (void)
1247 {
1248     int choice;
1249     enum CompareMode thorough_flag;
1250
1251     choice =
1252         query_dialog (_("Compare directories"),
1253                       _("Select compare method:"), D_NORMAL, 4,
1254                       _("&Quick"), _("&Size only"), _("&Thorough"), _("&Cancel"));
1255
1256     if (choice < 0 || choice > 2)
1257         return;
1258
1259     thorough_flag = choice;
1260
1261     if (get_current_type () == view_listing && get_other_type () == view_listing)
1262     {
1263         compare_dir (current_panel, other_panel, thorough_flag);
1264         compare_dir (other_panel, current_panel, thorough_flag);
1265     }
1266     else
1267     {
1268         message (D_ERROR, MSG_ERROR,
1269                  _("Both panels should be in the listing mode\nto use this command"));
1270     }
1271 }
1272
1273 /* --------------------------------------------------------------------------------------------- */
1274
1275 #ifdef USE_DIFF_VIEW
1276 void
1277 diff_view_cmd (void)
1278 {
1279     /* both panels must be in the list mode */
1280     if (get_current_type () != view_listing || get_other_type () != view_listing)
1281         return;
1282
1283     if (get_current_index () == 0)
1284         dview_diff_cmd (current_panel, other_panel);
1285     else
1286         dview_diff_cmd (other_panel, current_panel);
1287
1288     if (mc_global.mc_run_mode == MC_RUN_FULL)
1289         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
1290
1291     dialog_switch_process_pending ();
1292 }
1293 #endif
1294
1295 /* --------------------------------------------------------------------------------------------- */
1296
1297 void
1298 swap_cmd (void)
1299 {
1300     swap_panels ();
1301     tty_touch_screen ();
1302     repaint_screen ();
1303 }
1304
1305 /* --------------------------------------------------------------------------------------------- */
1306
1307 void
1308 view_other_cmd (void)
1309 {
1310     static int message_flag = TRUE;
1311
1312     if (!mc_global.tty.xterm_flag && mc_global.tty.console_flag == '\0'
1313         && !mc_global.tty.use_subshell && !output_starts_shell)
1314     {
1315         if (message_flag)
1316             message (D_ERROR, MSG_ERROR,
1317                      _("Not an xterm or Linux console;\nthe panels cannot be toggled."));
1318         message_flag = FALSE;
1319     }
1320     else
1321     {
1322         toggle_panels ();
1323     }
1324 }
1325
1326 /* --------------------------------------------------------------------------------------------- */
1327
1328 void
1329 link_cmd (link_type_t link_type)
1330 {
1331     char *filename = selection (current_panel)->fname;
1332
1333     if (filename != NULL)
1334         do_link (link_type, filename);
1335 }
1336
1337 /* --------------------------------------------------------------------------------------------- */
1338
1339 void
1340 edit_symlink_cmd (void)
1341 {
1342     if (S_ISLNK (selection (current_panel)->st.st_mode))
1343     {
1344         char buffer[MC_MAXPATHLEN];
1345         char *p = NULL;
1346         int i;
1347         char *dest, *q;
1348         vfs_path_t *p_vpath;
1349
1350         p = selection (current_panel)->fname;
1351         p_vpath = vfs_path_from_str (p);
1352
1353         q = g_strdup_printf (_("Symlink `%s\' points to:"), str_trunc (p, 32));
1354
1355         i = readlink (p, buffer, MC_MAXPATHLEN - 1);
1356         if (i > 0)
1357         {
1358             buffer[i] = 0;
1359             dest =
1360                 input_expand_dialog (_("Edit symlink"), q, MC_HISTORY_FM_EDIT_LINK, buffer,
1361                                      INPUT_COMPLETE_FILENAMES);
1362             if (dest)
1363             {
1364                 if (*dest && strcmp (buffer, dest))
1365                 {
1366                     save_cwds_stat ();
1367                     if (mc_unlink (p_vpath) == -1)
1368                     {
1369                         message (D_ERROR, MSG_ERROR, _("edit symlink, unable to remove %s: %s"),
1370                                  p, unix_error_string (errno));
1371                     }
1372                     else
1373                     {
1374                         vfs_path_t *dest_vpath;
1375
1376                         dest_vpath = vfs_path_from_str_flags (dest, VPF_NO_CANON);
1377                         if (mc_symlink (dest_vpath, p_vpath) == -1)
1378                             message (D_ERROR, MSG_ERROR, _("edit symlink: %s"),
1379                                      unix_error_string (errno));
1380                         vfs_path_free (dest_vpath);
1381                     }
1382                     update_panels (UP_OPTIMIZE, UP_KEEPSEL);
1383                     repaint_screen ();
1384                 }
1385                 g_free (dest);
1386             }
1387         }
1388         g_free (q);
1389         vfs_path_free (p_vpath);
1390     }
1391     else
1392     {
1393         message (D_ERROR, MSG_ERROR, _("`%s' is not a symbolic link"),
1394                  selection (current_panel)->fname);
1395     }
1396 }
1397
1398 /* --------------------------------------------------------------------------------------------- */
1399
1400 void
1401 help_cmd (void)
1402 {
1403     ev_help_t event_data = { NULL, NULL };
1404
1405     if (current_panel->searching)
1406         event_data.node = "[Quick search]";
1407     else
1408         event_data.node = "[main]";
1409
1410     mc_event_raise (MCEVENT_GROUP_CORE, "help", &event_data);
1411 }
1412
1413 /* --------------------------------------------------------------------------------------------- */
1414
1415 void
1416 user_file_menu_cmd (void)
1417 {
1418     (void) user_menu_cmd (NULL, NULL, -1);
1419 }
1420
1421 /* --------------------------------------------------------------------------------------------- */
1422 /**
1423  * Return a random hint.  If force is not 0, ignore the timeout.
1424  */
1425
1426 char *
1427 get_random_hint (int force)
1428 {
1429     char *data, *result = NULL, *eol;
1430     int len;
1431     int start;
1432     static int last_sec;
1433     static struct timeval tv;
1434     GIConv conv;
1435
1436     /* Do not change hints more often than one minute */
1437     gettimeofday (&tv, NULL);
1438     if (!force && !(tv.tv_sec > last_sec + 60))
1439         return g_strdup ("");
1440     last_sec = tv.tv_sec;
1441
1442     data = load_mc_home_file (mc_global.share_data_dir, MC_HINT, NULL);
1443     if (data == NULL)
1444         return NULL;
1445
1446     /* get a random entry */
1447     srand (tv.tv_sec);
1448     len = strlen (data);
1449     start = rand () % len;
1450
1451     for (; start != 0; start--)
1452         if (data[start] == '\n')
1453         {
1454             start++;
1455             break;
1456         }
1457
1458     eol = strchr (data + start, '\n');
1459     if (eol != NULL)
1460         *eol = '\0';
1461
1462     /* hint files are stored in utf-8 */
1463     /* try convert hint file from utf-8 to terminal encoding */
1464     conv = str_crt_conv_from ("UTF-8");
1465     if (conv != INVALID_CONV)
1466     {
1467         GString *buffer;
1468
1469         buffer = g_string_new ("");
1470         if (str_convert (conv, &data[start], buffer) != ESTR_FAILURE)
1471             result = g_string_free (buffer, FALSE);
1472         else
1473             g_string_free (buffer, TRUE);
1474         str_close_conv (conv);
1475     }
1476
1477     g_free (data);
1478     return result;
1479 }
1480
1481 /* --------------------------------------------------------------------------------------------- */
1482
1483 #ifdef ENABLE_VFS_FTP
1484 void
1485 ftplink_cmd (void)
1486 {
1487     nice_cd (_("FTP to machine"), _(machine_str),
1488              "[FTP File System]", ":ftplink_cmd: FTP to machine ", "ftp://", 1, TRUE);
1489 }
1490 #endif /* ENABLE_VFS_FTP */
1491
1492 /* --------------------------------------------------------------------------------------------- */
1493
1494 #ifdef ENABLE_VFS_SFTP
1495 void
1496 sftplink_cmd (void)
1497 {
1498     nice_cd (_("SFTP to machine"), _(machine_str),
1499              "[SFTP (SSH File Transfer Protocol) filesystem]",
1500              ":sftplink_cmd: SFTP to machine ", "sftp://", 1, TRUE);
1501 }
1502 #endif /* ENABLE_VFS_SFTP */
1503
1504 /* --------------------------------------------------------------------------------------------- */
1505
1506 #ifdef ENABLE_VFS_FISH
1507 void
1508 fishlink_cmd (void)
1509 {
1510     nice_cd (_("Shell link to machine"), _(machine_str),
1511              "[FIle transfer over SHell filesystem]", ":fishlink_cmd: Shell link to machine ",
1512              "sh://", 1, TRUE);
1513 }
1514 #endif /* ENABLE_VFS_FISH */
1515
1516 /* --------------------------------------------------------------------------------------------- */
1517
1518 #ifdef ENABLE_VFS_SMB
1519 void
1520 smblink_cmd (void)
1521 {
1522     nice_cd (_("SMB link to machine"), _(machine_str),
1523              "[SMB File System]", ":smblink_cmd: SMB link to machine ", "smb://", 0, TRUE);
1524 }
1525 #endif /* ENABLE_VFS_SMB */
1526
1527 /* --------------------------------------------------------------------------------------------- */
1528
1529 #ifdef ENABLE_VFS_UNDELFS
1530 void
1531 undelete_cmd (void)
1532 {
1533     nice_cd (_("Undelete files on an ext2 file system"),
1534              _("Enter device (without /dev/) to undelete\nfiles on: (F1 for details)"),
1535              "[Undelete File System]", ":undelete_cmd: Undel on ext2 fs ", "undel://", 0, FALSE);
1536 }
1537 #endif /* ENABLE_VFS_UNDELFS */
1538
1539 /* --------------------------------------------------------------------------------------------- */
1540
1541 void
1542 quick_cd_cmd (void)
1543 {
1544     char *p = cd_dialog ();
1545
1546     if (p && *p)
1547     {
1548         char *q = g_strconcat ("cd ", p, (char *) NULL);
1549
1550         do_cd_command (q);
1551         g_free (q);
1552     }
1553     g_free (p);
1554 }
1555
1556 /* --------------------------------------------------------------------------------------------- */
1557 /*!
1558    \brief calculate dirs sizes
1559
1560    calculate dirs sizes and resort panel:
1561    dirs_selected = show size for selected dirs,
1562    otherwise = show size for dir under cursor:
1563    dir under cursor ".." = show size for all dirs,
1564    otherwise = show size for dir under cursor
1565  */
1566
1567 void
1568 smart_dirsize_cmd (void)
1569 {
1570     WPanel *panel = current_panel;
1571     file_entry *entry;
1572
1573     entry = &(panel->dir.list[panel->selected]);
1574     if ((S_ISDIR (entry->st.st_mode) && (strcmp (entry->fname, "..") == 0)) || panel->dirs_marked)
1575         dirsizes_cmd ();
1576     else
1577         single_dirsize_cmd ();
1578 }
1579
1580 /* --------------------------------------------------------------------------------------------- */
1581
1582 void
1583 single_dirsize_cmd (void)
1584 {
1585     WPanel *panel = current_panel;
1586     file_entry *entry;
1587
1588     entry = &(panel->dir.list[panel->selected]);
1589     if (S_ISDIR (entry->st.st_mode) && strcmp (entry->fname, "..") != 0)
1590     {
1591         size_t marked = 0;
1592         uintmax_t total = 0;
1593         ComputeDirSizeUI *ui;
1594         vfs_path_t *p;
1595
1596         ui = compute_dir_size_create_ui ();
1597         p = vfs_path_from_str (entry->fname);
1598
1599         if (compute_dir_size (p, ui, compute_dir_size_update_ui, &marked, &total, TRUE) ==
1600             FILE_CONT)
1601         {
1602             entry->st.st_size = (off_t) total;
1603             entry->f.dir_size_computed = 1;
1604         }
1605
1606         vfs_path_free (p);
1607         compute_dir_size_destroy_ui (ui);
1608     }
1609
1610     if (panels_options.mark_moves_down)
1611         send_message (panel, NULL, MSG_ACTION, CK_Down, NULL);
1612
1613     recalculate_panel_summary (panel);
1614
1615     if (current_panel->sort_info.sort_field->sort_routine == (sortfn *) sort_size)
1616         panel_re_sort (panel);
1617
1618     panel->dirty = 1;
1619 }
1620
1621 /* --------------------------------------------------------------------------------------------- */
1622
1623 void
1624 dirsizes_cmd (void)
1625 {
1626     WPanel *panel = current_panel;
1627     int i;
1628     ComputeDirSizeUI *ui;
1629
1630     ui = compute_dir_size_create_ui ();
1631
1632     for (i = 0; i < panel->count; i++)
1633         if (S_ISDIR (panel->dir.list[i].st.st_mode)
1634             && ((panel->dirs_marked && panel->dir.list[i].f.marked)
1635                 || !panel->dirs_marked) && strcmp (panel->dir.list[i].fname, "..") != 0)
1636         {
1637             vfs_path_t *p;
1638             size_t marked = 0;
1639             uintmax_t total = 0;
1640             gboolean ok;
1641
1642             p = vfs_path_from_str (panel->dir.list[i].fname);
1643             ok = compute_dir_size (p, ui, compute_dir_size_update_ui, &marked, &total,
1644                                    TRUE) != FILE_CONT;
1645             vfs_path_free (p);
1646
1647             if (ok)
1648                 break;
1649
1650             panel->dir.list[i].st.st_size = (off_t) total;
1651             panel->dir.list[i].f.dir_size_computed = 1;
1652         }
1653
1654     compute_dir_size_destroy_ui (ui);
1655
1656     recalculate_panel_summary (panel);
1657
1658     if (current_panel->sort_info.sort_field->sort_routine == (sortfn *) sort_size)
1659         panel_re_sort (panel);
1660
1661     panel->dirty = 1;
1662 }
1663
1664 /* --------------------------------------------------------------------------------------------- */
1665
1666 void
1667 save_setup_cmd (void)
1668 {
1669     vfs_path_t *vpath;
1670     char *path;
1671
1672     vpath = mc_config_get_full_vpath (MC_CONFIG_FILE);
1673     path = vfs_path_to_str_flags (vpath, 0, VPF_STRIP_HOME);
1674     vfs_path_free (vpath);
1675
1676     if (save_setup (TRUE, TRUE))
1677         message (D_NORMAL, _("Setup"), _("Setup saved to %s"), path);
1678     else
1679         message (D_ERROR, _("Setup"), _("Unable to save setup to %s"), path);
1680     g_free (path);
1681 }
1682
1683 /* --------------------------------------------------------------------------------------------- */
1684
1685 void
1686 info_cmd_no_menu (void)
1687 {
1688     if (get_display_type (0) == view_info)
1689         set_display_type (0, view_listing);
1690     else if (get_display_type (1) == view_info)
1691         set_display_type (1, view_listing);
1692     else
1693         set_display_type (current_panel == left_panel ? 1 : 0, view_info);
1694 }
1695
1696 /* --------------------------------------------------------------------------------------------- */
1697
1698 void
1699 quick_cmd_no_menu (void)
1700 {
1701     if (get_display_type (0) == view_quick)
1702         set_display_type (0, view_listing);
1703     else if (get_display_type (1) == view_quick)
1704         set_display_type (1, view_listing);
1705     else
1706         set_display_type (current_panel == left_panel ? 1 : 0, view_quick);
1707 }
1708
1709 /* --------------------------------------------------------------------------------------------- */
1710
1711 void
1712 listing_cmd (void)
1713 {
1714     switch_to_listing (MENU_PANEL_IDX);
1715 }
1716
1717 /* --------------------------------------------------------------------------------------------- */
1718
1719 void
1720 change_listing_cmd (void)
1721 {
1722     int list_type;
1723     int use_msformat;
1724     char *user, *status;
1725     WPanel *p = NULL;
1726
1727     if (get_display_type (MENU_PANEL_IDX) == view_listing)
1728         p = MENU_PANEL_IDX == 0 ? left_panel : right_panel;
1729
1730     list_type = panel_listing_box (p, &user, &status, &use_msformat, MENU_PANEL_IDX);
1731     if (list_type != -1)
1732     {
1733         switch_to_listing (MENU_PANEL_IDX);
1734         p = MENU_PANEL_IDX == 0 ? left_panel : right_panel;
1735         configure_panel_listing (p, list_type, use_msformat, user, status);
1736     }
1737 }
1738
1739 /* --------------------------------------------------------------------------------------------- */
1740
1741 void
1742 panel_tree_cmd (void)
1743 {
1744     set_display_type (MENU_PANEL_IDX, view_tree);
1745 }
1746
1747 /* --------------------------------------------------------------------------------------------- */
1748
1749 void
1750 info_cmd (void)
1751 {
1752     set_display_type (MENU_PANEL_IDX, view_info);
1753 }
1754
1755 /* --------------------------------------------------------------------------------------------- */
1756
1757 void
1758 quick_view_cmd (void)
1759 {
1760     if ((WPanel *) get_panel_widget (MENU_PANEL_IDX) == current_panel)
1761         change_panel ();
1762     set_display_type (MENU_PANEL_IDX, view_quick);
1763 }
1764
1765 /* --------------------------------------------------------------------------------------------- */
1766
1767 void
1768 toggle_listing_cmd (void)
1769 {
1770     int current = get_current_index ();
1771     WPanel *p = (WPanel *) get_panel_widget (current);
1772
1773     set_basic_panel_listing_to (current, (p->list_type + 1) % LIST_TYPES);
1774 }
1775
1776 /* --------------------------------------------------------------------------------------------- */
1777
1778 #ifdef HAVE_CHARSET
1779 void
1780 encoding_cmd (void)
1781 {
1782     if (SELECTED_IS_PANEL)
1783         panel_change_encoding (MENU_PANEL);
1784 }
1785 #endif
1786
1787 /* --------------------------------------------------------------------------------------------- */