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
 444     if (link_type == LINK_HARDLINK)
 445     {
 446         src = g_strdup_printf (_("Link %s to:"), str_trunc (fname, 46));
 447         dest = input_expand_dialog (_("Link"), src, MC_HISTORY_FM_LINK, "");
 448         if (!dest || !*dest)
 449             goto cleanup;
 450         save_cwds_stat ();
 451         if (-1 == mc_link (fname, dest))
 452             message (D_ERROR, MSG_ERROR, _("link: %s"), unix_error_string (errno));
 453     }
 454     else
 455     {
 456         char *s;
 457         char *d;
 458
 459         /* suggest the full path for symlink, and either the full or
 460            relative path to the file it points to  */
 461         s = concat_dir_and_file (current_panel->cwd, fname);
 462
 463         if (get_other_type () == view_listing)
 464             d = concat_dir_and_file (other_panel->cwd, fname);
 465         else
 466             d = g_strdup (fname);
 467
 468         if (link_type == LINK_SYMLINK_RELATIVE)
 469             s = diff_two_paths (other_panel->cwd, s);
 470
 471         symlink_dialog (s, d, &dest, &src);
 472         g_free (d);
 473         g_free (s);
 474
 475         if (!dest || !*dest || !src || !*src)
 476             goto cleanup;
 477         save_cwds_stat ();
 478         if (-1 == mc_symlink (dest, src))
 479             message (D_ERROR, MSG_ERROR, _("symlink: %s"), unix_error_string (errno));
 480     }
 481
 482     update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 483     repaint_screen ();
 484
 485   cleanup:
 486     g_free (src);
 487     g_free (dest);
 488 }
 489
 490 /* --------------------------------------------------------------------------------------------- */
 491
 492 #if defined(ENABLE_VFS_UNDELFS) || defined(ENABLE_VFS_NET)
 493
 494 static const char *
 495 transform_prefix (const char *prefix)
 496 {
 497     static char buffer[BUF_TINY];
 498     size_t prefix_len = strlen (prefix);
 499
 500     if (prefix_len < 3)
 501         return prefix;
 502
 503     strcpy (buffer, prefix + 2);
 504     strcpy (buffer + prefix_len - 3, VFS_PATH_URL_DELIMITER);
 505     return buffer;
 506 }
 507
 508 /* --------------------------------------------------------------------------------------------- */
 509
 510 static void
 511 nice_cd (const char *text, const char *xtext, const char *help,
 512          const char *history_name, const char *prefix, int to_home)
 513 {
 514     char *machine;
 515     char *cd_path;
 516
 517     if (!SELECTED_IS_PANEL)
 518         return;
 519
 520     machine = input_dialog_help (text, xtext, help, history_name, "");
 521     if (!machine)
 522         return;
 523
 524     to_home = 0;                /* FIXME: how to solve going to home nicely? /~/ is
 525                                    ugly as hell and leads to problems in vfs layer */
 526
 527     /* default prefix in old-style format. */
 528     if (strncmp (prefix, machine, strlen (prefix)) != 0)
 529         prefix = transform_prefix (prefix);     /* Convert prefix to URL-style format */
 530
 531     if (strncmp (prefix, machine, strlen (prefix)) == 0)
 532         cd_path = g_strconcat (machine, to_home ? "/~/" : (char *) NULL, (char *) NULL);
 533     else
 534         cd_path = g_strconcat (prefix, machine, to_home ? "/~/" : (char *) NULL, (char *) NULL);
 535
 536     if (*cd_path != PATH_SEP)
 537     {
 538         char *tmp = cd_path;
 539         cd_path = g_strconcat (PATH_SEP_STR, tmp, (char *) NULL);
 540         g_free (tmp);
 541     }
 542
 543     if (!do_panel_cd (MENU_PANEL, cd_path, cd_parse_command))
 544         message (D_ERROR, MSG_ERROR, _("Cannot chdir to \"%s\""), cd_path);
 545     g_free (cd_path);
 546     g_free (machine);
 547 }
 548 #endif /* ENABLE_VFS_UNDELFS || ENABLE_VFS_NET */
 549
 550 /* --------------------------------------------------------------------------------------------- */
 551
 552 static void
 553 configure_panel_listing (WPanel * p, int list_type, int use_msformat, char *user, char *status)
 554 {
 555     p->user_mini_status = use_msformat;
 556     p->list_type = list_type;
 557
 558     if (list_type == list_user || use_msformat)
 559     {
 560         g_free (p->user_format);
 561         p->user_format = user;
 562
 563         g_free (p->user_status_format[list_type]);
 564         p->user_status_format[list_type] = status;
 565
 566         set_panel_formats (p);
 567     }
 568     else
 569     {
 570         g_free (user);
 571         g_free (status);
 572     }
 573
 574     set_panel_formats (p);
 575     do_refresh ();
 576 }
 577
 578 /* --------------------------------------------------------------------------------------------- */
 579
 580 static void
 581 switch_to_listing (int panel_index)
 582 {
 583     if (get_display_type (panel_index) != view_listing)
 584         set_display_type (panel_index, view_listing);
 585     else
 586     {
 587         WPanel *p;
 588
 589         p = (WPanel *) get_panel_widget (panel_index);
 590         if (p->is_panelized)
 591         {
 592             p->is_panelized = 0;
 593             panel_reload (p);
 594         }
 595     }
 596 }
 597
 598 /* --------------------------------------------------------------------------------------------- */
 599 /** Handle the tree internal listing modes switching */
 600
 601 static gboolean
 602 set_basic_panel_listing_to (int panel_index, int listing_mode)
 603 {
 604     WPanel *p = (WPanel *) get_panel_widget (panel_index);
 605     gboolean ok;
 606
 607     switch_to_listing (panel_index);
 608     p->list_type = listing_mode;
 609
 610     ok = set_panel_formats (p) == 0;
 611
 612     if (ok)
 613         do_refresh ();
 614
 615     return ok;
 616 }
 617
 618 /* --------------------------------------------------------------------------------------------- */
 619 /*** public functions ****************************************************************************/
 620 /* --------------------------------------------------------------------------------------------- */
 621
 622 int
 623 view_file_at_line (const char *filename, int plain_view, int internal, int start_line)
 624 {
 625     static const char *viewer = NULL;
 626     int move_dir = 0;
 627
 628     if (plain_view)
 629     {
 630         int changed_hex_mode = 0;
 631         int changed_nroff_flag = 0;
 632         int changed_magic_flag = 0;
 633
 634         mcview_altered_hex_mode = 0;
 635         mcview_altered_nroff_flag = 0;
 636         mcview_altered_magic_flag = 0;
 637         if (mcview_default_hex_mode)
 638             changed_hex_mode = 1;
 639         if (mcview_default_nroff_flag)
 640             changed_nroff_flag = 1;
 641         if (mcview_default_magic_flag)
 642             changed_magic_flag = 1;
 643         mcview_default_hex_mode = 0;
 644         mcview_default_nroff_flag = 0;
 645         mcview_default_magic_flag = 0;
 646
 647         switch (mcview_viewer (NULL, filename, start_line))
 648         {
 649         case MCVIEW_WANT_NEXT:
 650             move_dir = 1;
 651             break;
 652         case MCVIEW_WANT_PREV:
 653             move_dir = -1;
 654             break;
 655         default:
 656             move_dir = 0;
 657         }
 658
 659         if (changed_hex_mode && !mcview_altered_hex_mode)
 660             mcview_default_hex_mode = 1;
 661         if (changed_nroff_flag && !mcview_altered_nroff_flag)
 662             mcview_default_nroff_flag = 1;
 663         if (changed_magic_flag && !mcview_altered_magic_flag)
 664             mcview_default_magic_flag = 1;
 665
 666         dialog_switch_process_pending ();
 667     }
 668     else if (internal)
 669     {
 670         char view_entry[BUF_TINY];
 671
 672         if (start_line != 0)
 673             g_snprintf (view_entry, sizeof (view_entry), "View:%d", start_line);
 674         else
 675             strcpy (view_entry, "View");
 676
 677         if (regex_command (filename, view_entry, &move_dir) == 0)
 678         {
 679             switch (mcview_viewer (NULL, filename, start_line))
 680             {
 681             case MCVIEW_WANT_NEXT:
 682                 move_dir = 1;
 683                 break;
 684             case MCVIEW_WANT_PREV:
 685                 move_dir = -1;
 686                 break;
 687             default:
 688                 move_dir = 0;
 689             }
 690
 691             dialog_switch_process_pending ();
 692         }
 693     }
 694     else
 695     {
 696         if (viewer == NULL)
 697         {
 698             viewer = getenv ("VIEWER");
 699             if (viewer == NULL)
 700                 viewer = getenv ("PAGER");
 701             if (viewer == NULL)
 702                 viewer = "view";
 703         }
 704
 705         execute_with_vfs_arg (viewer, filename);
 706     }
 707
 708     return move_dir;
 709 }
 710
 711 /* --------------------------------------------------------------------------------------------- */
 712 /** view_file (filename, plain_view, internal)
 713  *
 714  * Inputs:
 715  *   filename:   The file name to view
 716  *   plain_view: If set does not do any fancy pre-processing (no filtering) and
 717  *               always invokes the internal viewer.
 718  *   internal:   If set uses the internal viewer, otherwise an external viewer.
 719  */
 720
 721 int
 722 view_file (const char *filename, int plain_view, int internal)
 723 {
 724     return view_file_at_line (filename, plain_view, internal, 0);
 725 }
 726
 727
 728 /* --------------------------------------------------------------------------------------------- */
 729 /** Run user's preferred viewer on the currently selected file */
 730
 731 void
 732 view_cmd (void)
 733 {
 734     do_view_cmd (FALSE);
 735 }
 736
 737 /* --------------------------------------------------------------------------------------------- */
 738 /** Ask for file and run user's preferred viewer on it */
 739
 740 void
 741 view_file_cmd (void)
 742 {
 743     char *filename;
 744
 745     filename =
 746         input_expand_dialog (_("View file"), _("Filename:"),
 747                              MC_HISTORY_FM_VIEW_FILE, selection (current_panel)->fname);
 748     if (!filename)
 749         return;
 750
 751     view_file (filename, 0, use_internal_view);
 752     g_free (filename);
 753 }
 754
 755 /* --------------------------------------------------------------------------------------------- */
 756 /** Run plain internal viewer on the currently selected file */
 757 void
 758 view_raw_cmd (void)
 759 {
 760     do_view_cmd (TRUE);
 761 }
 762
 763 /* --------------------------------------------------------------------------------------------- */
 764
 765 void
 766 view_filtered_cmd (void)
 767 {
 768     char *command;
 769     const char *initial_command;
 770
 771     if (cmdline->buffer[0] == '\0')
 772         initial_command = selection (current_panel)->fname;
 773     else
 774         initial_command = cmdline->buffer;
 775
 776     command =
 777         input_dialog (_("Filtered view"),
 778                       _("Filter command and arguments:"),
 779                       MC_HISTORY_FM_FILTERED_VIEW, initial_command);
 780
 781     if (command != NULL)
 782     {
 783         mcview_viewer (command, "", 0);
 784         g_free (command);
 785         dialog_switch_process_pending ();
 786     }
 787 }
 788
 789 /* --------------------------------------------------------------------------------------------- */
 790
 791 void
 792 do_edit_at_line (const char *what, gboolean internal, int start_line)
 793 {
 794     static const char *editor = NULL;
 795
 796 #ifdef USE_INTERNAL_EDIT
 797     if (internal)
 798         edit_file (what, start_line);
 799     else
 800 #else
 801     (void) start_line;
 802 #endif /* USE_INTERNAL_EDIT */
 803     {
 804         if (editor == NULL)
 805         {
 806             editor = getenv ("EDITOR");
 807             if (editor == NULL)
 808                 editor = get_default_editor ();
 809         }
 810         execute_with_vfs_arg (editor, what);
 811     }
 812
 813     if (mc_global.mc_run_mode == MC_RUN_FULL)
 814         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 815
 816 #ifdef USE_INTERNAL_EDIT
 817     if (use_internal_edit)
 818         dialog_switch_process_pending ();
 819     else
 820 #endif /* USE_INTERNAL_EDIT */
 821         repaint_screen ();
 822 }
 823
 824 /* --------------------------------------------------------------------------------------------- */
 825
 826 void
 827 edit_cmd (void)
 828 {
 829     if (regex_command (selection (current_panel)->fname, "Edit", NULL) == 0)
 830         do_edit (selection (current_panel)->fname);
 831 }
 832
 833 /* --------------------------------------------------------------------------------------------- */
 834
 835 #ifdef USE_INTERNAL_EDIT
 836 void
 837 edit_cmd_force_internal (void)
 838 {
 839     if (regex_command (selection (current_panel)->fname, "Edit", NULL) == 0)
 840         do_edit_at_line (selection (current_panel)->fname, TRUE, 0);
 841 }
 842 #endif
 843
 844 /* --------------------------------------------------------------------------------------------- */
 845
 846 void
 847 edit_cmd_new (void)
 848 {
 849 #if HAVE_CHARSET
 850     mc_global.source_codepage = default_source_codepage;
 851 #endif
 852     do_edit (NULL);
 853 }
 854
 855 /* --------------------------------------------------------------------------------------------- */
 856 /** Invoked by F5.  Copy, default to the other panel.  */
 857
 858 void
 859 copy_cmd (void)
 860 {
 861     save_cwds_stat ();
 862     if (panel_operate (current_panel, OP_COPY, FALSE))
 863     {
 864         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 865         repaint_screen ();
 866     }
 867 }
 868
 869 /* --------------------------------------------------------------------------------------------- */
 870 /** Invoked by F6.  Move/rename, default to the other panel, ignore marks.  */
 871
 872 void
 873 rename_cmd (void)
 874 {
 875     save_cwds_stat ();
 876     if (panel_operate (current_panel, OP_MOVE, FALSE))
 877     {
 878         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 879         repaint_screen ();
 880     }
 881 }
 882
 883 /* --------------------------------------------------------------------------------------------- */
 884 /** Invoked by F15.  Copy, default to the same panel, ignore marks.  */
 885
 886 void
 887 copy_cmd_local (void)
 888 {
 889     save_cwds_stat ();
 890     if (panel_operate (current_panel, OP_COPY, TRUE))
 891     {
 892         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 893         repaint_screen ();
 894     }
 895 }
 896
 897 /* --------------------------------------------------------------------------------------------- */
 898 /** Invoked by F16.  Move/rename, default to the same panel.  */
 899
 900 void
 901 rename_cmd_local (void)
 902 {
 903     save_cwds_stat ();
 904     if (panel_operate (current_panel, OP_MOVE, TRUE))
 905     {
 906         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 907         repaint_screen ();
 908     }
 909 }
 910
 911 /* --------------------------------------------------------------------------------------------- */
 912
 913 void
 914 mkdir_cmd (void)
 915 {
 916     char *dir, *absdir;
 917     const char *name = "";
 918
 919     /* If 'on' then automatically fills name with current selected item name */
 920     if (auto_fill_mkdir_name && strcmp (selection (current_panel)->fname, "..") != 0)
 921         name = selection (current_panel)->fname;
 922
 923     dir =
 924         input_expand_dialog (_("Create a new Directory"),
 925                              _("Enter directory name:"), MC_HISTORY_FM_MKDIR, name);
 926
 927     if (!dir)
 928         return;
 929
 930     if (*dir)
 931     {
 932         if (dir[0] == '/' || dir[0] == '~')
 933             absdir = g_strdup (dir);
 934         else
 935             absdir = concat_dir_and_file (current_panel->cwd, dir);
 936
 937         save_cwds_stat ();
 938         if (my_mkdir (absdir, 0777) == 0)
 939         {
 940             update_panels (UP_OPTIMIZE, dir);
 941             repaint_screen ();
 942             select_item (current_panel);
 943         }
 944         else
 945         {
 946             message (D_ERROR, MSG_ERROR, "%s", unix_error_string (errno));
 947         }
 948         g_free (absdir);
 949     }
 950     g_free (dir);
 951 }
 952
 953 /* --------------------------------------------------------------------------------------------- */
 954
 955 void
 956 delete_cmd (void)
 957 {
 958     save_cwds_stat ();
 959
 960     if (panel_operate (current_panel, OP_DELETE, FALSE))
 961     {
 962         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 963         repaint_screen ();
 964     }
 965 }
 966
 967 /* --------------------------------------------------------------------------------------------- */
 968 /** Invoked by F18.  Remove selected file, regardless of marked files.  */
 969
 970 void
 971 delete_cmd_local (void)
 972 {
 973     save_cwds_stat ();
 974
 975     if (panel_operate (current_panel, OP_DELETE, TRUE))
 976     {
 977         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
 978         repaint_screen ();
 979     }
 980 }
 981
 982 /* --------------------------------------------------------------------------------------------- */
 983
 984 void
 985 find_cmd (void)
 986 {
 987     find_file ();
 988 }
 989
 990 /* --------------------------------------------------------------------------------------------- */
 991 /** Invoked from the left/right menus */
 992
 993 void
 994 filter_cmd (void)
 995 {
 996     WPanel *p;
 997
 998     if (!SELECTED_IS_PANEL)
 999         return;
1000
1001     p = MENU_PANEL;
1002     set_panel_filter (p);
1003 }
1004
1005 /* --------------------------------------------------------------------------------------------- */
1006
1007 void
1008 reread_cmd (void)
1009 {
1010     panel_update_flags_t flag = UP_ONLY_CURRENT;
1011
1012     if (get_current_type () == view_listing && get_other_type () == view_listing
1013         && strcmp (current_panel->cwd, other_panel->cwd) == 0)
1014         flag = UP_OPTIMIZE;
1015
1016     update_panels (UP_RELOAD | flag, UP_KEEPSEL);
1017     repaint_screen ();
1018 }
1019
1020 /* --------------------------------------------------------------------------------------------- */
1021
1022 void
1023 select_invert_cmd (void)
1024 {
1025     int i;
1026     file_entry *file;
1027
1028     for (i = 0; i < current_panel->count; i++)
1029     {
1030         file = &current_panel->dir.list[i];
1031         if (!panels_options.reverse_files_only || !S_ISDIR (file->st.st_mode))
1032             do_file_mark (current_panel, i, !file->f.marked);
1033     }
1034 }
1035
1036 /* --------------------------------------------------------------------------------------------- */
1037
1038 void
1039 select_cmd (void)
1040 {
1041     select_unselect_cmd (_("Select"), ":select_cmd: Select ", TRUE);
1042 }
1043
1044 /* --------------------------------------------------------------------------------------------- */
1045
1046 void
1047 unselect_cmd (void)
1048 {
1049     select_unselect_cmd (_("Unselect"), ":unselect_cmd: Unselect ", FALSE);
1050 }
1051
1052 /* --------------------------------------------------------------------------------------------- */
1053
1054 void
1055 ext_cmd (void)
1056 {
1057     char *buffer;
1058     char *extdir;
1059     int dir;
1060
1061     dir = 0;
1062     if (geteuid () == 0)
1063     {
1064         dir = query_dialog (_("Extension file edit"),
1065                             _("Which extension file you want to edit?"), D_NORMAL, 2,
1066                             _("&User"), _("&System Wide"));
1067     }
1068     extdir = concat_dir_and_file (mc_global.sysconfig_dir, MC_LIB_EXT);
1069
1070     if (dir == 0)
1071     {
1072         buffer = g_build_filename (mc_config_get_data_path (), MC_FILEBIND_FILE, NULL);
1073         check_for_default (extdir, buffer);
1074         do_edit (buffer);
1075         g_free (buffer);
1076     }
1077     else if (dir == 1)
1078     {
1079         if (!exist_file (extdir))
1080         {
1081             g_free (extdir);
1082             extdir = concat_dir_and_file (mc_global.share_data_dir, MC_LIB_EXT);
1083         }
1084         do_edit (extdir);
1085     }
1086     g_free (extdir);
1087     flush_extension_file ();
1088 }
1089
1090 /* --------------------------------------------------------------------------------------------- */
1091 /** edit file menu for mc */
1092
1093 void
1094 edit_mc_menu_cmd (void)
1095 {
1096     char *buffer;
1097     char *menufile;
1098     int dir = 0;
1099
1100     dir = query_dialog (_("Menu edit"),
1101                         _("Which menu file do you want to edit?"),
1102                         D_NORMAL, geteuid ()? 2 : 3, _("&Local"), _("&User"), _("&System Wide"));
1103
1104     menufile = concat_dir_and_file (mc_global.sysconfig_dir, MC_GLOBAL_MENU);
1105
1106     if (!exist_file (menufile))
1107     {
1108         g_free (menufile);
1109         menufile = concat_dir_and_file (mc_global.share_data_dir, MC_GLOBAL_MENU);
1110     }
1111
1112     switch (dir)
1113     {
1114     case 0:
1115         buffer = g_strdup (MC_LOCAL_MENU);
1116         check_for_default (menufile, buffer);
1117         chmod (buffer, 0600);
1118         break;
1119
1120     case 1:
1121         buffer = g_build_filename (mc_config_get_data_path (), MC_USERMENU_FILE, NULL);
1122         check_for_default (menufile, buffer);
1123         break;
1124
1125     case 2:
1126         buffer = concat_dir_and_file (mc_global.sysconfig_dir, MC_GLOBAL_MENU);
1127         if (!exist_file (buffer))
1128         {
1129             g_free (buffer);
1130             buffer = concat_dir_and_file (mc_global.share_data_dir, MC_GLOBAL_MENU);
1131         }
1132         break;
1133
1134     default:
1135         g_free (menufile);
1136         return;
1137     }
1138
1139     do_edit (buffer);
1140
1141     g_free (buffer);
1142     g_free (menufile);
1143 }
1144
1145 /* --------------------------------------------------------------------------------------------- */
1146
1147 void
1148 edit_fhl_cmd (void)
1149 {
1150     char *buffer = NULL;
1151     char *fhlfile = NULL;
1152
1153     int dir;
1154
1155     dir = 0;
1156     if (geteuid () == 0)
1157     {
1158         dir = query_dialog (_("Highlighting groups file edit"),
1159                             _("Which highlighting file you want to edit?"), D_NORMAL, 2,
1160                             _("&User"), _("&System Wide"));
1161     }
1162     fhlfile = concat_dir_and_file (mc_global.sysconfig_dir, MC_FHL_INI_FILE);
1163
1164     if (dir == 0)
1165     {
1166         buffer = g_build_filename (mc_config_get_path (), MC_FHL_INI_FILE, NULL);
1167         check_for_default (fhlfile, buffer);
1168         do_edit (buffer);
1169         g_free (buffer);
1170     }
1171     else if (dir == 1)
1172     {
1173         if (!exist_file (fhlfile))
1174         {
1175             g_free (fhlfile);
1176             fhlfile = concat_dir_and_file (mc_global.sysconfig_dir, MC_FHL_INI_FILE);
1177         }
1178         do_edit (fhlfile);
1179     }
1180     g_free (fhlfile);
1181
1182     /* refresh highlighting rules */
1183     mc_fhl_free (&mc_filehighlight);
1184     mc_filehighlight = mc_fhl_new (TRUE);
1185 }
1186
1187 /* --------------------------------------------------------------------------------------------- */
1188
1189 void
1190 hotlist_cmd (void)
1191 {
1192     char *target;
1193
1194     target = hotlist_show (LIST_HOTLIST);
1195     if (!target)
1196         return;
1197
1198     if (get_current_type () == view_tree)
1199         tree_chdir (the_tree, target);
1200     else
1201     {
1202         char *cmd = g_strconcat ("cd ", target, (char *) NULL);
1203         do_cd_command (cmd);
1204         g_free (cmd);
1205     }
1206     g_free (target);
1207 }
1208
1209 #ifdef ENABLE_VFS
1210 void
1211 vfs_list (void)
1212 {
1213     char *target;
1214
1215     target = hotlist_show (LIST_VFSLIST);
1216     if (!target)
1217         return;
1218
1219     if (!do_cd (target, cd_exact))
1220         message (D_ERROR, MSG_ERROR, _("Cannot change directory"));
1221     g_free (target);
1222 }
1223 #endif /* ENABLE_VFS */
1224
1225 /* --------------------------------------------------------------------------------------------- */
1226
1227 void
1228 compare_dirs_cmd (void)
1229 {
1230     int choice;
1231     enum CompareMode thorough_flag;
1232
1233     choice =
1234         query_dialog (_("Compare directories"),
1235                       _("Select compare method:"), D_NORMAL, 4,
1236                       _("&Quick"), _("&Size only"), _("&Thorough"), _("&Cancel"));
1237
1238     if (choice < 0 || choice > 2)
1239         return;
1240
1241     thorough_flag = choice;
1242
1243     if (get_current_type () == view_listing && get_other_type () == view_listing)
1244     {
1245         compare_dir (current_panel, other_panel, thorough_flag);
1246         compare_dir (other_panel, current_panel, thorough_flag);
1247     }
1248     else
1249     {
1250         message (D_ERROR, MSG_ERROR,
1251                  _("Both panels should be in the listing mode\nto use this command"));
1252     }
1253 }
1254
1255 /* --------------------------------------------------------------------------------------------- */
1256
1257 #ifdef USE_DIFF_VIEW
1258 void
1259 diff_view_cmd (void)
1260 {
1261     dview_diff_cmd ();
1262
1263     if (mc_global.mc_run_mode == MC_RUN_FULL)
1264         update_panels (UP_OPTIMIZE, UP_KEEPSEL);
1265
1266     dialog_switch_process_pending ();
1267 }
1268 #endif
1269
1270 /* --------------------------------------------------------------------------------------------- */
1271
1272 void
1273 swap_cmd (void)
1274 {
1275     swap_panels ();
1276     tty_touch_screen ();
1277     repaint_screen ();
1278 }
1279
1280 /* --------------------------------------------------------------------------------------------- */
1281
1282 void
1283 view_other_cmd (void)
1284 {
1285     static int message_flag = TRUE;
1286
1287     if (!mc_global.tty.xterm_flag && mc_global.tty.console_flag == '\0'
1288         && !mc_global.tty.use_subshell && !output_starts_shell)
1289     {
1290         if (message_flag)
1291             message (D_ERROR, MSG_ERROR,
1292                      _("Not an xterm or Linux console;\nthe panels cannot be toggled."));
1293         message_flag = FALSE;
1294     }
1295     else
1296     {
1297         toggle_panels ();
1298     }
1299 }
1300
1301 /* --------------------------------------------------------------------------------------------- */
1302
1303 void
1304 link_cmd (link_type_t link_type)
1305 {
1306     char *filename = selection (current_panel)->fname;
1307
1308     if (filename != NULL)
1309         do_link (link_type, filename);
1310 }
1311
1312 /* --------------------------------------------------------------------------------------------- */
1313
1314 void
1315 edit_symlink_cmd (void)
1316 {
1317     if (S_ISLNK (selection (current_panel)->st.st_mode))
1318     {
1319         char buffer[MC_MAXPATHLEN];
1320         char *p = NULL;
1321         int i;
1322         char *dest, *q;
1323
1324         p = selection (current_panel)->fname;
1325
1326         q = g_strdup_printf (_("Symlink `%s\' points to:"), str_trunc (p, 32));
1327
1328         i = readlink (p, buffer, MC_MAXPATHLEN - 1);
1329         if (i > 0)
1330         {
1331             buffer[i] = 0;
1332             dest = input_expand_dialog (_("Edit symlink"), q, MC_HISTORY_FM_EDIT_LINK, buffer);
1333             if (dest)
1334             {
1335                 if (*dest && strcmp (buffer, dest))
1336                 {
1337                     save_cwds_stat ();
1338                     if (-1 == mc_unlink (p))
1339                     {
1340                         message (D_ERROR, MSG_ERROR, _("edit symlink, unable to remove %s: %s"),
1341                                  p, unix_error_string (errno));
1342                     }
1343                     else
1344                     {
1345                         if (-1 == mc_symlink (dest, p))
1346                             message (D_ERROR, MSG_ERROR, _("edit symlink: %s"),
1347                                      unix_error_string (errno));
1348                     }
1349                     update_panels (UP_OPTIMIZE, UP_KEEPSEL);
1350                     repaint_screen ();
1351                 }
1352                 g_free (dest);
1353             }
1354         }
1355         g_free (q);
1356     }
1357     else
1358     {
1359         message (D_ERROR, MSG_ERROR, _("`%s' is not a symbolic link"),
1360                  selection (current_panel)->fname);
1361     }
1362 }
1363
1364 /* --------------------------------------------------------------------------------------------- */
1365
1366 void
1367 help_cmd (void)
1368 {
1369     ev_help_t event_data = { NULL, NULL };
1370
1371     if (current_panel->searching)
1372         event_data.node = "[Quick search]";
1373     else
1374         event_data.node = "[main]";
1375
1376     mc_event_raise (MCEVENT_GROUP_CORE, "help", &event_data);
1377 }
1378
1379 /* --------------------------------------------------------------------------------------------- */
1380
1381 void
1382 user_file_menu_cmd (void)
1383 {
1384     (void) user_menu_cmd (NULL, NULL, -1);
1385 }
1386
1387 /* --------------------------------------------------------------------------------------------- */
1388 /**
1389  * Return a random hint.  If force is not 0, ignore the timeout.
1390  */
1391
1392 char *
1393 get_random_hint (int force)
1394 {
1395     char *data, *result = NULL, *eol;
1396     int len;
1397     int start;
1398     static int last_sec;
1399     static struct timeval tv;
1400     GIConv conv;
1401     GString *buffer;
1402
1403     /* Do not change hints more often than one minute */
1404     gettimeofday (&tv, NULL);
1405     if (!force && !(tv.tv_sec > last_sec + 60))
1406         return g_strdup ("");
1407     last_sec = tv.tv_sec;
1408
1409     data = load_mc_home_file (mc_global.share_data_dir, MC_HINT, NULL);
1410     if (data == NULL)
1411         return NULL;
1412
1413     /* get a random entry */
1414     srand (tv.tv_sec);
1415     len = strlen (data);
1416     start = rand () % len;
1417
1418     for (; start != 0; start--)
1419         if (data[start] == '\n')
1420         {
1421             start++;
1422             break;
1423         }
1424
1425     eol = strchr (data + start, '\n');
1426     if (eol != NULL)
1427         *eol = '\0';
1428
1429     /* hint files are stored in utf-8 */
1430     /* try convert hint file from utf-8 to terminal encoding */
1431     conv = str_crt_conv_from ("UTF-8");
1432     if (conv != INVALID_CONV)
1433     {
1434         buffer = g_string_new ("");
1435         if (str_convert (conv, &data[start], buffer) != ESTR_FAILURE)
1436             result = g_strdup (buffer->str);
1437         g_string_free (buffer, TRUE);
1438         str_close_conv (conv);
1439     }
1440
1441     g_free (data);
1442     return result;
1443 }
1444
1445 /* --------------------------------------------------------------------------------------------- */
1446
1447 #ifdef ENABLE_VFS_NET
1448 #ifdef ENABLE_VFS_FTP
1449 void
1450 ftplink_cmd (void)
1451 {
1452     nice_cd (_("FTP to machine"), _(machine_str),
1453              "[FTP File System]", ":ftplink_cmd: FTP to machine ", "/#ftp:", 1);
1454 }
1455 #endif /* ENABLE_VFS_FTP */
1456
1457 /* --------------------------------------------------------------------------------------------- */
1458
1459 #ifdef ENABLE_VFS_FISH
1460 void
1461 fishlink_cmd (void)
1462 {
1463     nice_cd (_("Shell link to machine"), _(machine_str),
1464              "[FIle transfer over SHell filesystem]", ":fishlink_cmd: Shell link to machine ",
1465              "/#sh:", 1);
1466 }
1467 #endif /* ENABLE_VFS_FISH */
1468
1469 /* --------------------------------------------------------------------------------------------- */
1470
1471 #ifdef ENABLE_VFS_SMB
1472 void
1473 smblink_cmd (void)
1474 {
1475     nice_cd (_("SMB link to machine"), _(machine_str),
1476              "[SMB File System]", ":smblink_cmd: SMB link to machine ", "/#smb:", 0);
1477 }
1478 #endif /* ENABLE_VFS_SMB */
1479 #endif /* ENABLE_VFS_NET */
1480
1481 /* --------------------------------------------------------------------------------------------- */
1482
1483 #ifdef ENABLE_VFS_UNDELFS
1484 void
1485 undelete_cmd (void)
1486 {
1487     nice_cd (_("Undelete files on an ext2 file system"),
1488              _("Enter device (without /dev/) to undelete\nfiles on: (F1 for details)"),
1489              "[Undelete File System]", ":undelete_cmd: Undel on ext2 fs ", "/#undel:", 0);
1490 }
1491 #endif /* ENABLE_VFS_UNDELFS */
1492
1493 /* --------------------------------------------------------------------------------------------- */
1494
1495 void
1496 quick_cd_cmd (void)
1497 {
1498     char *p = cd_dialog ();
1499
1500     if (p && *p)
1501     {
1502         char *q = g_strconcat ("cd ", p, (char *) NULL);
1503
1504         do_cd_command (q);
1505         g_free (q);
1506     }
1507     g_free (p);
1508 }
1509
1510 /* --------------------------------------------------------------------------------------------- */
1511 /*!
1512    \brief calculate dirs sizes
1513
1514    calculate dirs sizes and resort panel:
1515    dirs_selected = show size for selected dirs,
1516    otherwise = show size for dir under cursor:
1517    dir under cursor ".." = show size for all dirs,
1518    otherwise = show size for dir under cursor
1519  */
1520
1521 void
1522 smart_dirsize_cmd (void)
1523 {
1524     WPanel *panel = current_panel;
1525     file_entry *entry;
1526
1527     entry = &(panel->dir.list[panel->selected]);
1528     if ((S_ISDIR (entry->st.st_mode) && (strcmp (entry->fname, "..") == 0)) || panel->dirs_marked)
1529         dirsizes_cmd ();
1530     else
1531         single_dirsize_cmd ();
1532 }
1533
1534 /* --------------------------------------------------------------------------------------------- */
1535
1536 void
1537 single_dirsize_cmd (void)
1538 {
1539     WPanel *panel = current_panel;
1540     file_entry *entry;
1541
1542     entry = &(panel->dir.list[panel->selected]);
1543     if (S_ISDIR (entry->st.st_mode) && strcmp (entry->fname, "..") != 0)
1544     {
1545         size_t marked = 0;
1546         uintmax_t total = 0;
1547         ComputeDirSizeUI *ui;
1548
1549         ui = compute_dir_size_create_ui ();
1550
1551         if (compute_dir_size (entry->fname, ui, compute_dir_size_update_ui,
1552                               &marked, &total, TRUE) == FILE_CONT)
1553         {
1554             entry->st.st_size = (off_t) total;
1555             entry->f.dir_size_computed = 1;
1556         }
1557
1558         compute_dir_size_destroy_ui (ui);
1559     }
1560
1561     if (panels_options.mark_moves_down)
1562         send_message ((Widget *) panel, WIDGET_COMMAND, CK_Down);
1563
1564     recalculate_panel_summary (panel);
1565
1566     if (current_panel->sort_info.sort_field->sort_routine == (sortfn *) sort_size)
1567         panel_re_sort (panel);
1568
1569     panel->dirty = 1;
1570 }
1571
1572 /* --------------------------------------------------------------------------------------------- */
1573
1574 void
1575 dirsizes_cmd (void)
1576 {
1577     WPanel *panel = current_panel;
1578     int i;
1579     ComputeDirSizeUI *ui;
1580
1581     ui = compute_dir_size_create_ui ();
1582
1583     for (i = 0; i < panel->count; i++)
1584         if (S_ISDIR (panel->dir.list[i].st.st_mode)
1585             && ((panel->dirs_marked && panel->dir.list[i].f.marked)
1586                 || !panel->dirs_marked) && strcmp (panel->dir.list[i].fname, "..") != 0)
1587         {
1588             size_t marked = 0;
1589             uintmax_t total = 0;
1590
1591             if (compute_dir_size (panel->dir.list[i].fname,
1592                                   ui, compute_dir_size_update_ui, &marked, &total,
1593                                   TRUE) != FILE_CONT)
1594                 break;
1595
1596             panel->dir.list[i].st.st_size = (off_t) total;
1597             panel->dir.list[i].f.dir_size_computed = 1;
1598         }
1599
1600     compute_dir_size_destroy_ui (ui);
1601
1602     recalculate_panel_summary (panel);
1603
1604     if (current_panel->sort_info.sort_field->sort_routine == (sortfn *) sort_size)
1605         panel_re_sort (panel);
1606
1607     panel->dirty = 1;
1608 }
1609
1610 /* --------------------------------------------------------------------------------------------- */
1611
1612 void
1613 save_setup_cmd (void)
1614 {
1615     char *d1;
1616     const char *d2;
1617
1618     d1 = g_build_filename (mc_config_get_path (), MC_CONFIG_FILE, (char *) NULL);
1619     d2 = strip_home_and_password (d1);
1620     g_free (d1);
1621
1622     if (save_setup (TRUE, TRUE))
1623         message (D_NORMAL, _("Setup"), _("Setup saved to %s"), d2);
1624     else
1625         message (D_ERROR, _("Setup"), _("Unable to save setup to %s"), d2);
1626 }
1627
1628 /* --------------------------------------------------------------------------------------------- */
1629
1630 void
1631 info_cmd_no_menu (void)
1632 {
1633     if (get_display_type (0) == view_info)
1634         set_display_type (0, view_listing);
1635     else if (get_display_type (1) == view_info)
1636         set_display_type (1, view_listing);
1637     else
1638         set_display_type (current_panel == left_panel ? 1 : 0, view_info);
1639 }
1640
1641 /* --------------------------------------------------------------------------------------------- */
1642
1643 void
1644 quick_cmd_no_menu (void)
1645 {
1646     if (get_display_type (0) == view_quick)
1647         set_display_type (0, view_listing);
1648     else if (get_display_type (1) == view_quick)
1649         set_display_type (1, view_listing);
1650     else
1651         set_display_type (current_panel == left_panel ? 1 : 0, view_quick);
1652 }
1653
1654 /* --------------------------------------------------------------------------------------------- */
1655
1656 void
1657 listing_cmd (void)
1658 {
1659     switch_to_listing (MENU_PANEL_IDX);
1660 }
1661
1662 /* --------------------------------------------------------------------------------------------- */
1663
1664 void
1665 change_listing_cmd (void)
1666 {
1667     int list_type;
1668     int use_msformat;
1669     char *user, *status;
1670     WPanel *p = NULL;
1671
1672     if (get_display_type (MENU_PANEL_IDX) == view_listing)
1673         p = MENU_PANEL_IDX == 0 ? left_panel : right_panel;
1674
1675     list_type = display_box (p, &user, &status, &use_msformat, MENU_PANEL_IDX);
1676
1677     if (list_type != -1)
1678     {
1679         switch_to_listing (MENU_PANEL_IDX);
1680         p = MENU_PANEL_IDX == 0 ? left_panel : right_panel;
1681         configure_panel_listing (p, list_type, use_msformat, user, status);
1682     }
1683 }
1684
1685 /* --------------------------------------------------------------------------------------------- */
1686
1687 void
1688 panel_tree_cmd (void)
1689 {
1690     set_display_type (MENU_PANEL_IDX, view_tree);
1691 }
1692
1693 /* --------------------------------------------------------------------------------------------- */
1694
1695 void
1696 info_cmd (void)
1697 {
1698     set_display_type (MENU_PANEL_IDX, view_info);
1699 }
1700
1701 /* --------------------------------------------------------------------------------------------- */
1702
1703 void
1704 quick_view_cmd (void)
1705 {
1706     if ((WPanel *) get_panel_widget (MENU_PANEL_IDX) == current_panel)
1707         change_panel ();
1708     set_display_type (MENU_PANEL_IDX, view_quick);
1709 }
1710
1711 /* --------------------------------------------------------------------------------------------- */
1712
1713 void
1714 toggle_listing_cmd (void)
1715 {
1716     int current = get_current_index ();
1717     WPanel *p = (WPanel *) get_panel_widget (current);
1718
1719     set_basic_panel_listing_to (current, (p->list_type + 1) % LIST_TYPES);
1720 }
1721
1722 /* --------------------------------------------------------------------------------------------- */
1723
1724 void
1725 encoding_cmd (void)
1726 {
1727     if (SELECTED_IS_PANEL)
1728         panel_change_encoding (MENU_PANEL);
1729 }
1730
1731 /* --------------------------------------------------------------------------------------------- */