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
   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 "hotlist.h"            /* hotlist_show() */
  86 #include "panel.h"              /* WPanel */
  87 #include "tree.h"               /* tree_chdir() */
  88 #include "midnight.h"           /* change_panel() */
  89 #include "usermenu.h"           /* MC_GLOBAL_MENU */
  90 #include "command.h"            /* cmdline */
  91 #include "layout.h"             /* get_current_type() */
  92 #include "ext.h"                /* regex_command() */
  93 #include "boxes.h"              /* cd_dialog() */
  94 #include "dir.h"
  95
  96 #include "cmd.h"                /* Our definitions */
  97
  98 /*** global variables ****************************************************************************/
  99
 100 int select_flags = SELECT_MATCH_CASE | SELECT_SHELL_PATTERNS;
 101
 102 /*** file scope macro definitions ****************************************************************/
 103
 104 #ifndef MAP_FILE
 105 #define MAP_FILE 0
 106 #endif
 107
 108 /*** file scope type declarations ****************************************************************/
 109
 110 enum CompareMode
 111 {
 112     compare_quick, compare_size_only, compare_thourough
 113 };
 114
 115 /*** file scope variables ************************************************************************/
 116
 117 #ifdef ENABLE_VFS_NET
 118 static const char *machine_str = N_("Enter machine name (F1 for details):");
 119 #endif /* ENABLE_VFS_NET */
 120
 121 /*** file scope functions ************************************************************************/
 122 /* --------------------------------------------------------------------------------------------- */
 123
 124 /** scan_for_file (panel, idx, direction)
 125  *
 126  * Inputs:
 127  *   panel:     pointer to the panel on which we operate
 128  *   idx:       starting file.
 129  *   direction: 1, or -1
 130  */
 131
 132 static int
 133 scan_for_file (WPanel * panel, int idx, int direction)
 134 {
 135     int i = idx + direction;
 136
 137     while (i != idx)
 138     {
 139         if (i < 0)
 140             i = panel->count - 1;
 141         if (i == panel->count)
 142             i = 0;
 143         if (!S_ISDIR (panel->dir.list[i].st.st_mode))
 144             return i;
 145         i += direction;
 146     }
 147     return i;
 148 }
 149
 150 /* --------------------------------------------------------------------------------------------- */
 151 /**
 152  * Run viewer (internal or external) on the currently selected file.
 153  * If normal is TRUE, force internal viewer and raw mode (used for F13).
 154  */
 155 static void
 156 do_view_cmd (gboolean normal)
 157 {
 158     /* Directories are viewed by changing to them */
 159     if (S_ISDIR (selection (current_panel)->st.st_mode) || link_isdir (selection (current_panel)))
 160     {
 161         if (confirm_view_dir && (current_panel->marked || current_panel->dirs_marked))
 162         {
 163             if (query_dialog
 164                 (_("Confirmation"), _("Files tagged, want to cd?"), D_NORMAL, 2,
 165                  _("&Yes"), _("&No")) != 0)
 166             {
 167                 return;
 168             }
 169         }
 170         if (!do_cd (selection (current_panel)->fname, cd_exact))
 171             message (D_ERROR, MSG_ERROR, _("Cannot change directory"));
 172     }
 173     else
 174     {
 175         int file_idx;
 176
 177         file_idx = current_panel->selected;
 178
 179         while (TRUE)
 180         {
 181             char *filename;
 182             int dir;
 183
 184             filename = current_panel->dir.list[file_idx].fname;
 185             dir = view_file (filename, normal, use_internal_view);
 186             if (dir == 0)
 187                 break;
 188             file_idx = scan_for_file (current_panel, file_idx, dir);
 189         }
 190     }
 191
 192     repaint_screen ();
 193 }
 194
 195 /* --------------------------------------------------------------------------------------------- */
 196
 197 static inline void
 198 do_edit (const char *what)
 199 {
 200     do_edit_at_line (what, use_internal_edit, 0);
 201 }
 202
 203 /* --------------------------------------------------------------------------------------------- */
 204
 205 static void
 206 set_panel_filter_to (WPanel * p, char *allocated_filter_string)
 207 {
 208     g_free (p->filter);
 209     p->filter = 0;
 210
 211     if (!(allocated_filter_string[0] == '*' && allocated_filter_string[1] == 0))
 212         p->filter = allocated_filter_string;
 213     else
 214         g_free (allocated_filter_string);
 215     reread_cmd ();
 216 }
 217
 218 /* --------------------------------------------------------------------------------------------- */
 219 /** Set a given panel filter expression */
 220
 221 static void
 222 set_panel_filter (WPanel * p)
 223 {
 224     char *reg_exp;
 225     const char *x;
 226
 227     x = p->filter ? p->filter : easy_patterns ? "*" : ".";
 228
 229     reg_exp = input_dialog_help (_("Filter"),
 230                                  _("Set expression for filtering filenames"),
 231                                  "[Filter...]", MC_HISTORY_FM_PANEL_FILTER, x);
 232     if (!reg_exp)
 233         return;
 234     set_panel_filter_to (p, reg_exp);
 235 }
 236
 237 /* --------------------------------------------------------------------------------------------- */
 238
 239 static void
 240 select_unselect_cmd (const char *title, const char *history_name, gboolean do_select)
 241 {
 242     /* dialog sizes */
 243     const int DX = 50;
 244     const int DY = 7;
 245
 246     int files_only = (select_flags & SELECT_FILES_ONLY) != 0;
 247     int case_sens = (select_flags & SELECT_MATCH_CASE) != 0;
 248     int shell_patterns = (select_flags & SELECT_SHELL_PATTERNS) != 0;
 249
 250     char *reg_exp;
 251     mc_search_t *search;
 252     int i;
 253
 254     QuickWidget quick_widgets[] = {
 255         QUICK_CHECKBOX (3, DX, DY - 3, DY, N_("&Using shell patterns"), &shell_patterns),
 256         QUICK_CHECKBOX (DX / 2 + 1, DX, DY - 4, DY, N_("&Case sensitive"), &case_sens),
 257         QUICK_CHECKBOX (3, DX, DY - 4, DY, N_("&Files only"), &files_only),
 258         QUICK_INPUT (3, DX, DY - 5, DY, INPUT_LAST_TEXT, DX - 6, 0, history_name, &reg_exp),
 259         QUICK_END
 260     };
 261
 262     QuickDialog quick_dlg = {
 263         DX, DY, -1, -1, title,
 264         "[Select/Unselect Files]", quick_widgets, NULL, FALSE
 265     };
 266
 267     if (quick_dialog (&quick_dlg) == B_CANCEL)
 268         return;
 269
 270     if (!reg_exp)
 271         return;
 272     if (!*reg_exp)
 273     {
 274         g_free (reg_exp);
 275         return;
 276     }
 277     search = mc_search_new (reg_exp, -1);
 278     search->search_type = (shell_patterns != 0) ? MC_SEARCH_T_GLOB : MC_SEARCH_T_REGEX;
 279     search->is_entire_line = TRUE;
 280     search->is_case_sensitive = case_sens != 0;
 281
 282     for (i = 0; i < current_panel->count; i++)
 283     {
 284         if (strcmp (current_panel->dir.list[i].fname, "..") == 0)
 285             continue;
 286         if (S_ISDIR (current_panel->dir.list[i].st.st_mode) && files_only != 0)
 287             continue;
 288
 289         if (mc_search_run (search, current_panel->dir.list[i].fname,
 290                            0, current_panel->dir.list[i].fnamelen, NULL))
 291             do_file_mark (current_panel, i, do_select);
 292     }
 293
 294     mc_search_free (search);
 295     g_free (reg_exp);
 296
 297     /* result flags */
 298     select_flags = 0;
 299     if (case_sens != 0)
 300         select_flags |= SELECT_MATCH_CASE;
 301     if (files_only != 0)
 302         select_flags |= SELECT_FILES_ONLY;
 303     if (shell_patterns != 0)
 304         select_flags |= SELECT_SHELL_PATTERNS;
 305 }
 306
 307 /* --------------------------------------------------------------------------------------------- */
 308
 309 static int
 310 compare_files (char *name1, char *name2, off_t size)
 311 {
 312     int file1, file2;
 313     int result = -1;            /* Different by default */
 314
 315     if (size == 0)
 316         return 0;
 317
 318     file1 = open (name1, O_RDONLY);
 319     if (file1 >= 0)
 320     {
 321         file2 = open (name2, O_RDONLY);
 322         if (file2 >= 0)
 323         {
 324 #ifdef HAVE_MMAP
 325             char *data1, *data2;
 326             /* Ugly if jungle */
 327             data1 = mmap (0, size, PROT_READ, MAP_FILE | MAP_PRIVATE, file1, 0);
 328             if (data1 != (char *) -1)
 329             {
 330                 data2 = mmap (0, size, PROT_READ, MAP_FILE | MAP_PRIVATE, file2, 0);
 331                 if (data2 != (char *) -1)
 332                 {
 333                     rotate_dash ();
 334                     result = memcmp (data1, data2, size);
 335                     munmap (data2, size);
 336                 }
 337                 munmap (data1, size);
 338             }
 339 #else
 340             /* Don't have mmap() :( Even more ugly :) */
 341             char buf1[BUFSIZ], buf2[BUFSIZ];
 342             int n1, n2;
 343             rotate_dash ();
 344             do
 345             {
 346                 while ((n1 = read (file1, buf1, BUFSIZ)) == -1 && errno == EINTR);
 347                 while ((n2 = read (file2, buf2, BUFSIZ)) == -1 && errno == EINTR);
 348             }
 349             while (n1 == n2 && n1 == BUFSIZ && !memcmp (buf1, buf2, BUFSIZ));
 350             result = (n1 != n2) || memcmp (buf1, buf2, n1);
 351 #endif /* !HAVE_MMAP */
 352             close (file2);
 353         }
 354         close (file1);
 355     }
 356     return result;
 357 }
 358
 359 /* --------------------------------------------------------------------------------------------- */
 360
 361 static void
 362 compare_dir (WPanel * panel, WPanel * other, enum CompareMode mode)
 363 {
 364     int i, j;
 365     char *src_name, *dst_name;
 366
 367     /* No marks by default */
 368     panel->marked = 0;
 369     panel->total = 0;
 370     panel->dirs_marked = 0;
 371
 372     /* Handle all files in the panel */
 373     for (i = 0; i < panel->count; i++)
 374     {
 375         file_entry *source = &panel->dir.list[i];
 376
 377         /* Default: unmarked */
 378         file_mark (panel, i, 0);
 379
 380         /* Skip directories */
 381         if (S_ISDIR (source->st.st_mode))
 382             continue;
 383
 384         /* Search the corresponding entry from the other panel */
 385         for (j = 0; j < other->count; j++)
 386         {
 387             if (strcmp (source->fname, other->dir.list[j].fname) == 0)
 388                 break;
 389         }
 390         if (j >= other->count)
 391             /* Not found -> mark */
 392             do_file_mark (panel, i, 1);
 393         else
 394         {
 395             /* Found */
 396             file_entry *target = &other->dir.list[j];
 397
 398             if (mode != compare_size_only)
 399             {
 400                 /* Older version is not marked */
 401                 if (source->st.st_mtime < target->st.st_mtime)
 402                     continue;
 403             }
 404
 405             /* Newer version with different size is marked */
 406             if (source->st.st_size != target->st.st_size)
 407             {
 408                 do_file_mark (panel, i, 1);
 409                 continue;
 410
 411             }
 412             if (mode == compare_size_only)
 413                 continue;
 414
 415             if (mode == compare_quick)
 416             {
 417                 /* Thorough compare off, compare only time stamps */
 418                 /* Mark newer version, don't mark version with the same date */
 419                 if (source->st.st_mtime > target->st.st_mtime)
 420                 {
 421                     do_file_mark (panel, i, 1);
 422                 }
 423                 continue;
 424             }
 425
 426             /* Thorough compare on, do byte-by-byte comparison */
 427             src_name = concat_dir_and_file (panel->cwd, source->fname);
 428             dst_name = concat_dir_and_file (other->cwd, target->fname);
 429             if (compare_files (src_name, dst_name, source->st.st_size))
 430                 do_file_mark (panel, i, 1);
 431             g_free (src_name);
 432             g_free (dst_name);
 433         }
 434     }                           /* for (i ...) */
 435 }
 436
 437 /* --------------------------------------------------------------------------------------------- */
 438
 439 static void
 440 do_link (link_type_t link_type, const char *fname)
 441 {
 442     char *dest = NULL, *src = NULL;
 443     vfs_path_t *fname_vpath, *dest_vpath = NULL;
 444
 445     fname_vpath = vfs_path_from_str (fname);
 446     if (link_type == LINK_HARDLINK)
 447     {
 448         src = g_strdup_printf (_("Link %s to:"), str_trunc (fname, 46));
 449         dest = input_expand_dialog (_("Link"), src, MC_HISTORY_FM_LINK, "");
 450         if (!dest || !*dest)
 451             goto cleanup;
 452         save_cwds_stat ();
 453         dest_vpath = vfs_path_from_str (dest);
 454         if (-1 == mc_link (fname_vpath, dest_vpath))
 455             message (D_ERROR, MSG_ERROR, _("link: %s"), unix_error_string (errno));
 456     }
 457     else
 458     {
 459         char *s;
 460         char *d;
 461
 462         /* suggest the full path for symlink, and either the full or
 463            relative path to the file it points to  */
 464         s = concat_dir_and_file (current_panel->cwd, fname);
 465
 466         if (get_other_type () == view_listing)
 467             d = concat_dir_and_file (other_panel->cwd, fname);
 468         else
 469             d = g_strdup (fname);
 470
 471         if (link_type == LINK_SYMLINK_RELATIVE)
 472             s = diff_two_paths (other_panel->cwd, s);
 473
 474         symlink_dialog (s, d, &dest, &src);
 475         g_free (d);
 476         g_free (s);
 477
 478         if (!dest || !*dest || !src || !*src)
 479             goto cleanup;
 480         save_cwds_stat ();
 481         if (-1 == mc_symlink (dest, src))
 482             message (D_ERROR, MSG_ERROR, _("symlink: %s"), unix_error_string (errno));
 483     }
 484
 485     update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 486     repaint_screen ();
 487
 488   cleanup:
 489     vfs_path_free (fname_vpath);
 490     vfs_path_free (dest_vpath);
 491     g_free (src);
 492     g_free (dest);
 493 }
 494
 495 /* --------------------------------------------------------------------------------------------- */
 496
 497 #if defined(ENABLE_VFS_UNDELFS) || defined(ENABLE_VFS_NET)
 498
 499 static const char *
 500 transform_prefix (const char *prefix)
 501 {
 502     static char buffer[BUF_TINY];
 503     size_t prefix_len = strlen (prefix);
 504
 505     if (prefix_len < 3)
 506         return prefix;
 507
 508     strcpy (buffer, prefix + 2);
 509     strcpy (buffer + prefix_len - 3, VFS_PATH_URL_DELIMITER);
 510     return buffer;
 511 }
 512
 513 /* --------------------------------------------------------------------------------------------- */
 514
 515 static void
 516 nice_cd (const char *text, const char *xtext, const char *help,
 517          const char *history_name, const char *prefix, int to_home)
 518 {
 519     char *machine;
 520     char *cd_path;
 521
 522     if (!SELECTED_IS_PANEL)
 523         return;
 524
 525     machine = input_dialog_help (text, xtext, help, history_name, "");
 526     if (!machine)
 527         return;
 528
 529     to_home = 0;                /* FIXME: how to solve going to home nicely? /~/ is
 530                                    ugly as hell and leads to problems in vfs layer */
 531
 532     /* default prefix in old-style format. */
 533     if (strncmp (prefix, machine, strlen (prefix)) != 0)
 534         prefix = transform_prefix (prefix);     /* Convert prefix to URL-style format */
 535
 536     if (strncmp (prefix, machine, strlen (prefix)) == 0)
 537         cd_path = g_strconcat (machine, to_home ? "/~/" : (char *) NULL, (char *) NULL);
 538     else
 539         cd_path = g_strconcat (prefix, machine, to_home ? "/~/" : (char *) NULL, (char *) NULL);
 540
 541     if (*cd_path != PATH_SEP)
 542     {
 543         char *tmp = cd_path;
 544         cd_path = g_strconcat (PATH_SEP_STR, tmp, (char *) NULL);
 545         g_free (tmp);
 546     }
 547
 548     if (!do_panel_cd (MENU_PANEL, cd_path, cd_parse_command))
 549         message (D_ERROR, MSG_ERROR, _("Cannot chdir to \"%s\""), cd_path);
 550     g_free (cd_path);
 551     g_free (machine);
 552 }
 553 #endif /* ENABLE_VFS_UNDELFS || ENABLE_VFS_NET */
 554
 555 /* --------------------------------------------------------------------------------------------- */
 556
 557 static void
 558 configure_panel_listing (WPanel * p, int list_type, int use_msformat, char *user, char *status)
 559 {
 560     p->user_mini_status = use_msformat;
 561     p->list_type = list_type;
 562
 563     if (list_type == list_user || use_msformat)
 564     {
 565         g_free (p->user_format);
 566         p->user_format = user;
 567
 568         g_free (p->user_status_format[list_type]);
 569         p->user_status_format[list_type] = status;
 570
 571         set_panel_formats (p);
 572     }
 573     else
 574     {
 575         g_free (user);
 576         g_free (status);
 577     }
 578
 579     set_panel_formats (p);
 580     do_refresh ();
 581 }
 582
 583 /* --------------------------------------------------------------------------------------------- */
 584
 585 static void
 586 switch_to_listing (int panel_index)
 587 {
 588     if (get_display_type (panel_index) != view_listing)
 589         set_display_type (panel_index, view_listing);
 590     else
 591     {
 592         WPanel *p;
 593
 594         p = (WPanel *) get_panel_widget (panel_index);
 595         if (p->is_panelized)
 596         {
 597             p->is_panelized = FALSE;
 598             panel_reload (p);
 599         }
 600     }
 601 }
 602
 603 /* --------------------------------------------------------------------------------------------- */
 604 /** Handle the tree internal listing modes switching */
 605
 606 static gboolean
 607 set_basic_panel_listing_to (int panel_index, int listing_mode)
 608 {
 609     WPanel *p = (WPanel *) get_panel_widget (panel_index);
 610     gboolean ok;
 611
 612     switch_to_listing (panel_index);
 613     p->list_type = listing_mode;
 614
 615     ok = set_panel_formats (p) == 0;
 616
 617     if (ok)
 618         do_refresh ();
 619
 620     return ok;
 621 }
 622
 623 /* --------------------------------------------------------------------------------------------- */
 624 /*** public functions ****************************************************************************/
 625 /* --------------------------------------------------------------------------------------------- */
 626
 627 int
 628 view_file_at_line (const char *filename, int plain_view, int internal, int start_line)
 629 {
 630     static const char *viewer = NULL;
 631     int move_dir = 0;
 632
 633     if (plain_view)
 634     {
 635         int changed_hex_mode = 0;
 636         int changed_nroff_flag = 0;
 637         int changed_magic_flag = 0;
 638
 639         mcview_altered_hex_mode = 0;
 640         mcview_altered_nroff_flag = 0;
 641         mcview_altered_magic_flag = 0;
 642         if (mcview_default_hex_mode)
 643             changed_hex_mode = 1;
 644         if (mcview_default_nroff_flag)
 645             changed_nroff_flag = 1;
 646         if (mcview_default_magic_flag)
 647             changed_magic_flag = 1;
 648         mcview_default_hex_mode = 0;
 649         mcview_default_nroff_flag = 0;
 650         mcview_default_magic_flag = 0;
 651
 652         switch (mcview_viewer (NULL, filename, start_line))
 653         {
 654         case MCVIEW_WANT_NEXT:
 655             move_dir = 1;
 656             break;
 657         case MCVIEW_WANT_PREV:
 658             move_dir = -1;
 659             break;
 660         default:
 661             move_dir = 0;
 662         }
 663
 664         if (changed_hex_mode && !mcview_altered_hex_mode)
 665             mcview_default_hex_mode = 1;
 666         if (changed_nroff_flag && !mcview_altered_nroff_flag)
 667             mcview_default_nroff_flag = 1;
 668         if (changed_magic_flag && !mcview_altered_magic_flag)
 669             mcview_default_magic_flag = 1;
 670
 671         dialog_switch_process_pending ();
 672     }
 673     else if (internal)
 674     {
 675         char view_entry[BUF_TINY];
 676
 677         if (start_line != 0)
 678             g_snprintf (view_entry, sizeof (view_entry), "View:%d", start_line);
 679         else
 680             strcpy (view_entry, "View");
 681
 682         if (regex_command (filename, view_entry, &move_dir) == 0)
 683         {
 684             switch (mcview_viewer (NULL, filename, start_line))
 685             {
 686             case MCVIEW_WANT_NEXT:
 687                 move_dir = 1;
 688                 break;
 689             case MCVIEW_WANT_PREV:
 690                 move_dir = -1;
 691                 break;
 692             default:
 693                 move_dir = 0;
 694             }
 695
 696             dialog_switch_process_pending ();
 697         }
 698     }
 699     else
 700     {
 701         if (viewer == NULL)
 702         {
 703             viewer = getenv ("VIEWER");
 704             if (viewer == NULL)
 705                 viewer = getenv ("PAGER");
 706             if (viewer == NULL)
 707                 viewer = "view";
 708         }
 709
 710         execute_with_vfs_arg (viewer, filename);
 711     }
 712
 713     return move_dir;
 714 }
 715
 716 /* --------------------------------------------------------------------------------------------- */
 717 /** view_file (filename, plain_view, internal)
 718  *
 719  * Inputs:
 720  *   filename:   The file name to view
 721  *   plain_view: If set does not do any fancy pre-processing (no filtering) and
 722  *               always invokes the internal viewer.
 723  *   internal:   If set uses the internal viewer, otherwise an external viewer.
 724  */
 725
 726 int
 727 view_file (const char *filename, int plain_view, int internal)
 728 {
 729     return view_file_at_line (filename, plain_view, internal, 0);
 730 }
 731
 732
 733 /* --------------------------------------------------------------------------------------------- */
 734 /** Run user's preferred viewer on the currently selected file */
 735
 736 void
 737 view_cmd (void)
 738 {
 739     do_view_cmd (FALSE);
 740 }
 741
 742 /* --------------------------------------------------------------------------------------------- */
 743 /** Ask for file and run user's preferred viewer on it */
 744
 745 void
 746 view_file_cmd (void)
 747 {
 748     char *filename;
 749
 750     filename =
 751         input_expand_dialog (_("View file"), _("Filename:"),
 752                              MC_HISTORY_FM_VIEW_FILE, selection (current_panel)->fname);
 753     if (!filename)
 754         return;
 755
 756     view_file (filename, 0, use_internal_view);
 757     g_free (filename);
 758 }
 759
 760 /* --------------------------------------------------------------------------------------------- */
 761 /** Run plain internal viewer on the currently selected file */
 762 void
 763 view_raw_cmd (void)
 764 {
 765     do_view_cmd (TRUE);
 766 }
 767
 768 /* --------------------------------------------------------------------------------------------- */
 769
 770 void
 771 view_filtered_cmd (void)
 772 {
 773     char *command;
 774     const char *initial_command;
 775
 776     if (cmdline->buffer[0] == '\0')
 777         initial_command = selection (current_panel)->fname;
 778     else
 779         initial_command = cmdline->buffer;
 780
 781     command =
 782         input_dialog (_("Filtered view"),
 783                       _("Filter command and arguments:"),
 784                       MC_HISTORY_FM_FILTERED_VIEW, initial_command);
 785
 786     if (command != NULL)
 787     {
 788         mcview_viewer (command, "", 0);
 789         g_free (command);
 790         dialog_switch_process_pending ();
 791     }
 792 }
 793
 794 /* --------------------------------------------------------------------------------------------- */
 795
 796 void
 797 do_edit_at_line (const char *what, gboolean internal, int start_line)
 798 {
 799     static const char *editor = NULL;
 800
 801 #ifdef USE_INTERNAL_EDIT
 802     if (internal)
 803         edit_file (what, start_line);
 804     else
 805 #else
 806     (void) start_line;
 807 #endif /* USE_INTERNAL_EDIT */
 808     {
 809         if (editor == NULL)
 810         {
 811             editor = getenv ("EDITOR");
 812             if (editor == NULL)
 813                 editor = get_default_editor ();
 814         }
 815         execute_with_vfs_arg (editor, what);
 816     }
 817
 818     if (mc_global.mc_run_mode == MC_RUN_FULL)
 819         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 820
 821 #ifdef USE_INTERNAL_EDIT
 822     if (use_internal_edit)
 823         dialog_switch_process_pending ();
 824     else
 825 #endif /* USE_INTERNAL_EDIT */
 826         repaint_screen ();
 827 }
 828
 829 /* --------------------------------------------------------------------------------------------- */
 830
 831 void
 832 edit_cmd (void)
 833 {
 834     if (regex_command (selection (current_panel)->fname, "Edit", NULL) == 0)
 835         do_edit (selection (current_panel)->fname);
 836 }
 837
 838 /* --------------------------------------------------------------------------------------------- */
 839
 840 #ifdef USE_INTERNAL_EDIT
 841 void
 842 edit_cmd_force_internal (void)
 843 {
 844     if (regex_command (selection (current_panel)->fname, "Edit", NULL) == 0)
 845         do_edit_at_line (selection (current_panel)->fname, TRUE, 0);
 846 }
 847 #endif
 848
 849 /* --------------------------------------------------------------------------------------------- */
 850
 851 void
 852 edit_cmd_new (void)
 853 {
 854 #ifdef HAVE_CHARSET
 855     mc_global.source_codepage = default_source_codepage;
 856 #endif
 857     do_edit (NULL);
 858 }
 859
 860 /* --------------------------------------------------------------------------------------------- */
 861 /** Invoked by F5.  Copy, default to the other panel.  */
 862
 863 void
 864 copy_cmd (void)
 865 {
 866     save_cwds_stat ();
 867     if (panel_operate (current_panel, OP_COPY, FALSE))
 868     {
 869         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 870         repaint_screen ();
 871     }
 872 }
 873
 874 /* --------------------------------------------------------------------------------------------- */
 875 /** Invoked by F6.  Move/rename, default to the other panel, ignore marks.  */
 876
 877 void
 878 rename_cmd (void)
 879 {
 880     save_cwds_stat ();
 881     if (panel_operate (current_panel, OP_MOVE, FALSE))
 882     {
 883         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 884         repaint_screen ();
 885     }
 886 }
 887
 888 /* --------------------------------------------------------------------------------------------- */
 889 /** Invoked by F15.  Copy, default to the same panel, ignore marks.  */
 890
 891 void
 892 copy_cmd_local (void)
 893 {
 894     save_cwds_stat ();
 895     if (panel_operate (current_panel, OP_COPY, TRUE))
 896     {
 897         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 898         repaint_screen ();
 899     }
 900 }
 901
 902 /* --------------------------------------------------------------------------------------------- */
 903 /** Invoked by F16.  Move/rename, default to the same panel.  */
 904
 905 void
 906 rename_cmd_local (void)
 907 {
 908     save_cwds_stat ();
 909     if (panel_operate (current_panel, OP_MOVE, TRUE))
 910     {
 911         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 912         repaint_screen ();
 913     }
 914 }
 915
 916 /* --------------------------------------------------------------------------------------------- */
 917
 918 void
 919 mkdir_cmd (void)
 920 {
 921     char *dir, *absdir;
 922     const char *name = "";
 923
 924     /* If 'on' then automatically fills name with current selected item name */
 925     if (auto_fill_mkdir_name && strcmp (selection (current_panel)->fname, "..") != 0)
 926         name = selection (current_panel)->fname;
 927
 928     dir =
 929         input_expand_dialog (_("Create a new Directory"),
 930                              _("Enter directory name:"), MC_HISTORY_FM_MKDIR, name);
 931
 932     if (!dir)
 933         return;
 934
 935     if (*dir)
 936     {
 937         if (dir[0] == '/' || dir[0] == '~')
 938             absdir = g_strdup (dir);
 939         else
 940             absdir = concat_dir_and_file (current_panel->cwd, dir);
 941
 942         save_cwds_stat ();
 943         if (my_mkdir (absdir, 0777) == 0)
 944         {
 945             update_panels (UP_OPTIMIZE, dir);
 946             repaint_screen ();
 947             select_item (current_panel);
 948         }
 949         else
 950         {
 951             message (D_ERROR, MSG_ERROR, "%s", unix_error_string (errno));
 952         }
 953         g_free (absdir);
 954     }
 955     g_free (dir);
 956 }
 957
 958 /* --------------------------------------------------------------------------------------------- */
 959
 960 void
 961 delete_cmd (void)
 962 {
 963     save_cwds_stat ();
 964
 965     if (panel_operate (current_panel, OP_DELETE, FALSE))
 966     {
 967         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 968         repaint_screen ();
 969     }
 970 }
 971
 972 /* --------------------------------------------------------------------------------------------- */
 973 /** Invoked by F18.  Remove selected file, regardless of marked files.  */
 974
 975 void
 976 delete_cmd_local (void)
 977 {
 978     save_cwds_stat ();
 979
 980     if (panel_operate (current_panel, OP_DELETE, TRUE))
 981     {
 982         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 983         repaint_screen ();
 984     }
 985 }
 986
 987 /* --------------------------------------------------------------------------------------------- */
 988
 989 void
 990 find_cmd (void)
 991 {
 992     find_file ();
 993 }
 994
 995 /* --------------------------------------------------------------------------------------------- */
 996 /** Invoked from the left/right menus */
 997
 998 void
 999 filter_cmd (void)
1000 {
1001     WPanel *p;
1002
1003     if (!SELECTED_IS_PANEL)
1004         return;
1005
1006     p = MENU_PANEL;
1007     set_panel_filter (p);
1008 }
1009
1010 /* --------------------------------------------------------------------------------------------- */
1011
1012 void
1013 reread_cmd (void)
1014 {
1015     panel_update_flags_t flag = UP_ONLY_CURRENT;
1016
1017     if (get_current_type () == view_listing && get_other_type () == view_listing
1018         && strcmp (current_panel->cwd, other_panel->cwd) == 0)
1019         flag = UP_OPTIMIZE;
1020
1021     update_panels (UP_RELOAD | flag, UP_KEEPSEL);
1022     repaint_screen ();
1023 }
1024
1025 /* --------------------------------------------------------------------------------------------- */
1026
1027 void
1028 select_invert_cmd (void)
1029 {
1030     int i;
1031     file_entry *file;
1032
1033     for (i = 0; i < current_panel->count; i++)
1034     {
1035         file = &current_panel->dir.list[i];
1036         if (!panels_options.reverse_files_only || !S_ISDIR (file->st.st_mode))
1037             do_file_mark (current_panel, i, !file->f.marked);
1038     }
1039 }
1040
1041 /* --------------------------------------------------------------------------------------------- */
1042
1043 void
1044 select_cmd (void)
1045 {
1046     select_unselect_cmd (_("Select"), ":select_cmd: Select ", TRUE);
1047 }
1048
1049 /* --------------------------------------------------------------------------------------------- */
1050
1051 void
1052 unselect_cmd (void)
1053 {
1054     select_unselect_cmd (_("Unselect"), ":unselect_cmd: Unselect ", FALSE);
1055 }
1056
1057 /* --------------------------------------------------------------------------------------------- */
1058
1059 void
1060 ext_cmd (void)
1061 {
1062     char *buffer;
1063     char *extdir;
1064     int dir;
1065
1066     dir = 0;
1067     if (geteuid () == 0)
1068     {
1069         dir = query_dialog (_("Extension file edit"),
1070                             _("Which extension file you want to edit?"), D_NORMAL, 2,
1071                             _("&User"), _("&System Wide"));
1072     }
1073     extdir = concat_dir_and_file (mc_global.sysconfig_dir, MC_LIB_EXT);
1074
1075     if (dir == 0)
1076     {
1077         buffer = mc_config_get_full_path (MC_FILEBIND_FILE);
1078         check_for_default (extdir, buffer);
1079         do_edit (buffer);
1080         g_free (buffer);
1081     }
1082     else if (dir == 1)
1083     {
1084         if (!exist_file (extdir))
1085         {
1086             g_free (extdir);
1087             extdir = concat_dir_and_file (mc_global.share_data_dir, MC_LIB_EXT);
1088         }
1089         do_edit (extdir);
1090     }
1091     g_free (extdir);
1092     flush_extension_file ();
1093 }
1094
1095 /* --------------------------------------------------------------------------------------------- */
1096 /** edit file menu for mc */
1097
1098 void
1099 edit_mc_menu_cmd (void)
1100 {
1101     char *buffer;
1102     char *menufile;
1103     int dir = 0;
1104
1105     dir = query_dialog (_("Menu edit"),
1106                         _("Which menu file do you want to edit?"),
1107                         D_NORMAL, geteuid ()? 2 : 3, _("&Local"), _("&User"), _("&System Wide"));
1108
1109     menufile = concat_dir_and_file (mc_global.sysconfig_dir, MC_GLOBAL_MENU);
1110
1111     if (!exist_file (menufile))
1112     {
1113         g_free (menufile);
1114         menufile = concat_dir_and_file (mc_global.share_data_dir, MC_GLOBAL_MENU);
1115     }
1116
1117     switch (dir)
1118     {
1119     case 0:
1120         buffer = g_strdup (MC_LOCAL_MENU);
1121         check_for_default (menufile, buffer);
1122         chmod (buffer, 0600);
1123         break;
1124
1125     case 1:
1126         buffer = mc_config_get_full_path (MC_USERMENU_FILE);
1127         check_for_default (menufile, buffer);
1128         break;
1129
1130     case 2:
1131         buffer = concat_dir_and_file (mc_global.sysconfig_dir, MC_GLOBAL_MENU);
1132         if (!exist_file (buffer))
1133         {
1134             g_free (buffer);
1135             buffer = concat_dir_and_file (mc_global.share_data_dir, MC_GLOBAL_MENU);
1136         }
1137         break;
1138
1139     default:
1140         g_free (menufile);
1141         return;
1142     }
1143
1144     do_edit (buffer);
1145
1146     g_free (buffer);
1147     g_free (menufile);
1148 }
1149
1150 /* --------------------------------------------------------------------------------------------- */
1151
1152 void
1153 edit_fhl_cmd (void)
1154 {
1155     char *buffer = NULL;
1156     char *fhlfile = NULL;
1157
1158     int dir;
1159
1160     dir = 0;
1161     if (geteuid () == 0)
1162     {
1163         dir = query_dialog (_("Highlighting groups file edit"),
1164                             _("Which highlighting file you want to edit?"), D_NORMAL, 2,
1165                             _("&User"), _("&System Wide"));
1166     }
1167     fhlfile = concat_dir_and_file (mc_global.sysconfig_dir, MC_FHL_INI_FILE);
1168
1169     if (dir == 0)
1170     {
1171         buffer = mc_config_get_full_path (MC_FHL_INI_FILE);
1172         check_for_default (fhlfile, buffer);
1173         do_edit (buffer);
1174         g_free (buffer);
1175     }
1176     else if (dir == 1)
1177     {
1178         if (!exist_file (fhlfile))
1179         {
1180             g_free (fhlfile);
1181             fhlfile = concat_dir_and_file (mc_global.sysconfig_dir, MC_FHL_INI_FILE);
1182         }
1183         do_edit (fhlfile);
1184     }
1185     g_free (fhlfile);
1186
1187     /* refresh highlighting rules */
1188     mc_fhl_free (&mc_filehighlight);
1189     mc_filehighlight = mc_fhl_new (TRUE);
1190 }
1191
1192 /* --------------------------------------------------------------------------------------------- */
1193
1194 void
1195 hotlist_cmd (void)
1196 {
1197     char *target;
1198
1199     target = hotlist_show (LIST_HOTLIST);
1200     if (!target)
1201         return;
1202
1203     if (get_current_type () == view_tree)
1204         tree_chdir (the_tree, target);
1205     else
1206     {
1207         char *cmd = g_strconcat ("cd ", target, (char *) NULL);
1208         do_cd_command (cmd);
1209         g_free (cmd);
1210     }
1211     g_free (target);
1212 }
1213
1214 #ifdef ENABLE_VFS
1215 void
1216 vfs_list (void)
1217 {
1218     char *target;
1219
1220     target = hotlist_show (LIST_VFSLIST);
1221     if (!target)
1222         return;
1223
1224     if (!do_cd (target, cd_exact))
1225         message (D_ERROR, MSG_ERROR, _("Cannot change directory"));
1226     g_free (target);
1227 }
1228 #endif /* ENABLE_VFS */
1229
1230 /* --------------------------------------------------------------------------------------------- */
1231
1232 void
1233 compare_dirs_cmd (void)
1234 {
1235     int choice;
1236     enum CompareMode thorough_flag;
1237
1238     choice =
1239         query_dialog (_("Compare directories"),
1240                       _("Select compare method:"), D_NORMAL, 4,
1241                       _("&Quick"), _("&Size only"), _("&Thorough"), _("&Cancel"));
1242
1243     if (choice < 0 || choice > 2)
1244         return;
1245
1246     thorough_flag = choice;
1247
1248     if (get_current_type () == view_listing && get_other_type () == view_listing)
1249     {
1250         compare_dir (current_panel, other_panel, thorough_flag);
1251         compare_dir (other_panel, current_panel, thorough_flag);
1252     }
1253     else
1254     {
1255         message (D_ERROR, MSG_ERROR,
1256                  _("Both panels should be in the listing mode\nto use this command"));
1257     }
1258 }
1259
1260 /* --------------------------------------------------------------------------------------------- */
1261
1262 #ifdef USE_DIFF_VIEW
1263 void
1264 diff_view_cmd (void)
1265 {
1266     /* both panels must be in the list mode */
1267     if (get_current_type () != view_listing || get_other_type () != view_listing)
1268         return;
1269
1270     dview_diff_cmd ();
1271
1272     if (mc_global.mc_run_mode == MC_RUN_FULL)
1273         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
1274
1275     dialog_switch_process_pending ();
1276 }
1277 #endif
1278
1279 /* --------------------------------------------------------------------------------------------- */
1280
1281 void
1282 swap_cmd (void)
1283 {
1284     swap_panels ();
1285     tty_touch_screen ();
1286     repaint_screen ();
1287 }
1288
1289 /* --------------------------------------------------------------------------------------------- */
1290
1291 void
1292 view_other_cmd (void)
1293 {
1294     static int message_flag = TRUE;
1295
1296     if (!mc_global.tty.xterm_flag && mc_global.tty.console_flag == '\0'
1297         && !mc_global.tty.use_subshell && !output_starts_shell)
1298     {
1299         if (message_flag)
1300             message (D_ERROR, MSG_ERROR,
1301                      _("Not an xterm or Linux console;\nthe panels cannot be toggled."));
1302         message_flag = FALSE;
1303     }
1304     else
1305     {
1306         toggle_panels ();
1307     }
1308 }
1309
1310 /* --------------------------------------------------------------------------------------------- */
1311
1312 void
1313 link_cmd (link_type_t link_type)
1314 {
1315     char *filename = selection (current_panel)->fname;
1316
1317     if (filename != NULL)
1318         do_link (link_type, filename);
1319 }
1320
1321 /* --------------------------------------------------------------------------------------------- */
1322
1323 void
1324 edit_symlink_cmd (void)
1325 {
1326     if (S_ISLNK (selection (current_panel)->st.st_mode))
1327     {
1328         char buffer[MC_MAXPATHLEN];
1329         char *p = NULL;
1330         int i;
1331         char *dest, *q;
1332         vfs_path_t *p_vpath;
1333
1334         p = selection (current_panel)->fname;
1335         p_vpath = vfs_path_from_str (p);
1336
1337         q = g_strdup_printf (_("Symlink `%s\' points to:"), str_trunc (p, 32));
1338
1339         i = readlink (p, buffer, MC_MAXPATHLEN - 1);
1340         if (i > 0)
1341         {
1342             buffer[i] = 0;
1343             dest = input_expand_dialog (_("Edit symlink"), q, MC_HISTORY_FM_EDIT_LINK, buffer);
1344             if (dest)
1345             {
1346                 if (*dest && strcmp (buffer, dest))
1347                 {
1348                     save_cwds_stat ();
1349                     if (mc_unlink (p_vpath) == -1)
1350                     {
1351                         message (D_ERROR, MSG_ERROR, _("edit symlink, unable to remove %s: %s"),
1352                                  p, unix_error_string (errno));
1353                     }
1354                     else
1355                     {
1356                         if (-1 == mc_symlink (dest, p))
1357                             message (D_ERROR, MSG_ERROR, _("edit symlink: %s"),
1358                                      unix_error_string (errno));
1359                     }
1360                     update_panels (UP_OPTIMIZE, UP_KEEPSEL);
1361                     repaint_screen ();
1362                 }
1363                 g_free (dest);
1364             }
1365         }
1366         g_free (q);
1367         vfs_path_free (p_vpath);
1368     }
1369     else
1370     {
1371         message (D_ERROR, MSG_ERROR, _("`%s' is not a symbolic link"),
1372                  selection (current_panel)->fname);
1373     }
1374 }
1375
1376 /* --------------------------------------------------------------------------------------------- */
1377
1378 void
1379 help_cmd (void)
1380 {
1381     ev_help_t event_data = { NULL, NULL };
1382
1383     if (current_panel->searching)
1384         event_data.node = "[Quick search]";
1385     else
1386         event_data.node = "[main]";
1387
1388     mc_event_raise (MCEVENT_GROUP_CORE, "help", &event_data);
1389 }
1390
1391 /* --------------------------------------------------------------------------------------------- */
1392
1393 void
1394 user_file_menu_cmd (void)
1395 {
1396     (void) user_menu_cmd (NULL, NULL, -1);
1397 }
1398
1399 /* --------------------------------------------------------------------------------------------- */
1400 /**
1401  * Return a random hint.  If force is not 0, ignore the timeout.
1402  */
1403
1404 char *
1405 get_random_hint (int force)
1406 {
1407     char *data, *result = NULL, *eol;
1408     int len;
1409     int start;
1410     static int last_sec;
1411     static struct timeval tv;
1412     GIConv conv;
1413
1414     /* Do not change hints more often than one minute */
1415     gettimeofday (&tv, NULL);
1416     if (!force && !(tv.tv_sec > last_sec + 60))
1417         return g_strdup ("");
1418     last_sec = tv.tv_sec;
1419
1420     data = load_mc_home_file (mc_global.share_data_dir, MC_HINT, NULL);
1421     if (data == NULL)
1422         return NULL;
1423
1424     /* get a random entry */
1425     srand (tv.tv_sec);
1426     len = strlen (data);
1427     start = rand () % len;
1428
1429     for (; start != 0; start--)
1430         if (data[start] == '\n')
1431         {
1432             start++;
1433             break;
1434         }
1435
1436     eol = strchr (data + start, '\n');
1437     if (eol != NULL)
1438         *eol = '\0';
1439
1440     /* hint files are stored in utf-8 */
1441     /* try convert hint file from utf-8 to terminal encoding */
1442     conv = str_crt_conv_from ("UTF-8");
1443     if (conv != INVALID_CONV)
1444     {
1445         GString *buffer;
1446
1447         buffer = g_string_new ("");
1448         if (str_convert (conv, &data[start], buffer) != ESTR_FAILURE)
1449             result = g_string_free (buffer, FALSE);
1450         else
1451             g_string_free (buffer, TRUE);
1452         str_close_conv (conv);
1453     }
1454
1455     g_free (data);
1456     return result;
1457 }
1458
1459 /* --------------------------------------------------------------------------------------------- */
1460
1461 #ifdef ENABLE_VFS_NET
1462 #ifdef ENABLE_VFS_FTP
1463 void
1464 ftplink_cmd (void)
1465 {
1466     nice_cd (_("FTP to machine"), _(machine_str),
1467              "[FTP File System]", ":ftplink_cmd: FTP to machine ", "/#ftp:", 1);
1468 }
1469 #endif /* ENABLE_VFS_FTP */
1470
1471 /* --------------------------------------------------------------------------------------------- */
1472
1473 #ifdef ENABLE_VFS_FISH
1474 void
1475 fishlink_cmd (void)
1476 {
1477     nice_cd (_("Shell link to machine"), _(machine_str),
1478              "[FIle transfer over SHell filesystem]", ":fishlink_cmd: Shell link to machine ",
1479              "/#sh:", 1);
1480 }
1481 #endif /* ENABLE_VFS_FISH */
1482
1483 /* --------------------------------------------------------------------------------------------- */
1484
1485 #ifdef ENABLE_VFS_SMB
1486 void
1487 smblink_cmd (void)
1488 {
1489     nice_cd (_("SMB link to machine"), _(machine_str),
1490              "[SMB File System]", ":smblink_cmd: SMB link to machine ", "/#smb:", 0);
1491 }
1492 #endif /* ENABLE_VFS_SMB */
1493 #endif /* ENABLE_VFS_NET */
1494
1495 /* --------------------------------------------------------------------------------------------- */
1496
1497 #ifdef ENABLE_VFS_UNDELFS
1498 void
1499 undelete_cmd (void)
1500 {
1501     nice_cd (_("Undelete files on an ext2 file system"),
1502              _("Enter device (without /dev/) to undelete\nfiles on: (F1 for details)"),
1503              "[Undelete File System]", ":undelete_cmd: Undel on ext2 fs ", "/#undel:", 0);
1504 }
1505 #endif /* ENABLE_VFS_UNDELFS */
1506
1507 /* --------------------------------------------------------------------------------------------- */
1508
1509 void
1510 quick_cd_cmd (void)
1511 {
1512     char *p = cd_dialog ();
1513
1514     if (p && *p)
1515     {
1516         char *q = g_strconcat ("cd ", p, (char *) NULL);
1517
1518         do_cd_command (q);
1519         g_free (q);
1520     }
1521     g_free (p);
1522 }
1523
1524 /* --------------------------------------------------------------------------------------------- */
1525 /*!
1526    \brief calculate dirs sizes
1527
1528    calculate dirs sizes and resort panel:
1529    dirs_selected = show size for selected dirs,
1530    otherwise = show size for dir under cursor:
1531    dir under cursor ".." = show size for all dirs,
1532    otherwise = show size for dir under cursor
1533  */
1534
1535 void
1536 smart_dirsize_cmd (void)
1537 {
1538     WPanel *panel = current_panel;
1539     file_entry *entry;
1540
1541     entry = &(panel->dir.list[panel->selected]);
1542     if ((S_ISDIR (entry->st.st_mode) && (strcmp (entry->fname, "..") == 0)) || panel->dirs_marked)
1543         dirsizes_cmd ();
1544     else
1545         single_dirsize_cmd ();
1546 }
1547
1548 /* --------------------------------------------------------------------------------------------- */
1549
1550 void
1551 single_dirsize_cmd (void)
1552 {
1553     WPanel *panel = current_panel;
1554     file_entry *entry;
1555
1556     entry = &(panel->dir.list[panel->selected]);
1557     if (S_ISDIR (entry->st.st_mode) && strcmp (entry->fname, "..") != 0)
1558     {
1559         size_t marked = 0;
1560         uintmax_t total = 0;
1561         ComputeDirSizeUI *ui;
1562
1563         ui = compute_dir_size_create_ui ();
1564
1565         if (compute_dir_size (entry->fname, ui, compute_dir_size_update_ui,
1566                               &marked, &total, TRUE) == FILE_CONT)
1567         {
1568             entry->st.st_size = (off_t) total;
1569             entry->f.dir_size_computed = 1;
1570         }
1571
1572         compute_dir_size_destroy_ui (ui);
1573     }
1574
1575     if (panels_options.mark_moves_down)
1576         send_message ((Widget *) panel, WIDGET_COMMAND, CK_Down);
1577
1578     recalculate_panel_summary (panel);
1579
1580     if (current_panel->sort_info.sort_field->sort_routine == (sortfn *) sort_size)
1581         panel_re_sort (panel);
1582
1583     panel->dirty = 1;
1584 }
1585
1586 /* --------------------------------------------------------------------------------------------- */
1587
1588 void
1589 dirsizes_cmd (void)
1590 {
1591     WPanel *panel = current_panel;
1592     int i;
1593     ComputeDirSizeUI *ui;
1594
1595     ui = compute_dir_size_create_ui ();
1596
1597     for (i = 0; i < panel->count; i++)
1598         if (S_ISDIR (panel->dir.list[i].st.st_mode)
1599             && ((panel->dirs_marked && panel->dir.list[i].f.marked)
1600                 || !panel->dirs_marked) && strcmp (panel->dir.list[i].fname, "..") != 0)
1601         {
1602             size_t marked = 0;
1603             uintmax_t total = 0;
1604
1605             if (compute_dir_size (panel->dir.list[i].fname,
1606                                   ui, compute_dir_size_update_ui, &marked, &total,
1607                                   TRUE) != FILE_CONT)
1608                 break;
1609
1610             panel->dir.list[i].st.st_size = (off_t) total;
1611             panel->dir.list[i].f.dir_size_computed = 1;
1612         }
1613
1614     compute_dir_size_destroy_ui (ui);
1615
1616     recalculate_panel_summary (panel);
1617
1618     if (current_panel->sort_info.sort_field->sort_routine == (sortfn *) sort_size)
1619         panel_re_sort (panel);
1620
1621     panel->dirty = 1;
1622 }
1623
1624 /* --------------------------------------------------------------------------------------------- */
1625
1626 void
1627 save_setup_cmd (void)
1628 {
1629     char *d1;
1630     const char *d2;
1631
1632     d1 = mc_config_get_full_path (MC_CONFIG_FILE);
1633     d2 = strip_home_and_password (d1);
1634     g_free (d1);
1635
1636     if (save_setup (TRUE, TRUE))
1637         message (D_NORMAL, _("Setup"), _("Setup saved to %s"), d2);
1638     else
1639         message (D_ERROR, _("Setup"), _("Unable to save setup to %s"), d2);
1640 }
1641
1642 /* --------------------------------------------------------------------------------------------- */
1643
1644 void
1645 info_cmd_no_menu (void)
1646 {
1647     if (get_display_type (0) == view_info)
1648         set_display_type (0, view_listing);
1649     else if (get_display_type (1) == view_info)
1650         set_display_type (1, view_listing);
1651     else
1652         set_display_type (current_panel == left_panel ? 1 : 0, view_info);
1653 }
1654
1655 /* --------------------------------------------------------------------------------------------- */
1656
1657 void
1658 quick_cmd_no_menu (void)
1659 {
1660     if (get_display_type (0) == view_quick)
1661         set_display_type (0, view_listing);
1662     else if (get_display_type (1) == view_quick)
1663         set_display_type (1, view_listing);
1664     else
1665         set_display_type (current_panel == left_panel ? 1 : 0, view_quick);
1666 }
1667
1668 /* --------------------------------------------------------------------------------------------- */
1669
1670 void
1671 listing_cmd (void)
1672 {
1673     switch_to_listing (MENU_PANEL_IDX);
1674 }
1675
1676 /* --------------------------------------------------------------------------------------------- */
1677
1678 void
1679 change_listing_cmd (void)
1680 {
1681     int list_type;
1682     int use_msformat;
1683     char *user, *status;
1684     WPanel *p = NULL;
1685
1686     if (get_display_type (MENU_PANEL_IDX) == view_listing)
1687         p = MENU_PANEL_IDX == 0 ? left_panel : right_panel;
1688
1689     list_type = display_box (p, &user, &status, &use_msformat, MENU_PANEL_IDX);
1690
1691     if (list_type != -1)
1692     {
1693         switch_to_listing (MENU_PANEL_IDX);
1694         p = MENU_PANEL_IDX == 0 ? left_panel : right_panel;
1695         configure_panel_listing (p, list_type, use_msformat, user, status);
1696     }
1697 }
1698
1699 /* --------------------------------------------------------------------------------------------- */
1700
1701 void
1702 panel_tree_cmd (void)
1703 {
1704     set_display_type (MENU_PANEL_IDX, view_tree);
1705 }
1706
1707 /* --------------------------------------------------------------------------------------------- */
1708
1709 void
1710 info_cmd (void)
1711 {
1712     set_display_type (MENU_PANEL_IDX, view_info);
1713 }
1714
1715 /* --------------------------------------------------------------------------------------------- */
1716
1717 void
1718 quick_view_cmd (void)
1719 {
1720     if ((WPanel *) get_panel_widget (MENU_PANEL_IDX) == current_panel)
1721         change_panel ();
1722     set_display_type (MENU_PANEL_IDX, view_quick);
1723 }
1724
1725 /* --------------------------------------------------------------------------------------------- */
1726
1727 void
1728 toggle_listing_cmd (void)
1729 {
1730     int current = get_current_index ();
1731     WPanel *p = (WPanel *) get_panel_widget (current);
1732
1733     set_basic_panel_listing_to (current, (p->list_type + 1) % LIST_TYPES);
1734 }
1735
1736 /* --------------------------------------------------------------------------------------------- */
1737
1738 void
1739 encoding_cmd (void)
1740 {
1741     if (SELECTED_IS_PANEL)
1742         panel_change_encoding (MENU_PANEL);
1743 }
1744
1745 /* --------------------------------------------------------------------------------------------- */