src/filemanager/filemanager.c

   1 /*
   2    Main dialog (file panels) of the Midnight Commander
   3
   4    Copyright (C) 1994-2024
   5    Free Software Foundation, Inc.
   6
   7    Written by:
   8    Miguel de Icaza, 1994, 1995, 1996, 1997
   9    Janne Kukonlehto, 1994, 1995
  10    Norbert Warmuth, 1997
  11    Andrew Borodin <aborodin@vmail.ru>, 2009-2022
  12    Slava Zanko <slavazanko@gmail.com>, 2013
  13
  14    This file is part of the Midnight Commander.
  15
  16    The Midnight Commander is free software: you can redistribute it
  17    and/or modify it under the terms of the GNU General Public License as
  18    published by the Free Software Foundation, either version 3 of the License,
  19    or (at your option) any later version.
  20
  21    The Midnight Commander is distributed in the hope that it will be useful,
  22    but WITHOUT ANY WARRANTY; without even the implied warranty of
  23    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24    GNU General Public License for more details.
  25
  26    You should have received a copy of the GNU General Public License
  27    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  28  */
  29
  30 /** \file filemanager.c
  31  *  \brief Source: main dialog (file panels) of the Midnight Commander
  32  */
  33
  34 #include <config.h>
  35
  36 #include <ctype.h>
  37 #include <locale.h>
  38 #include <stdio.h>
  39 #include <stdlib.h>
  40 #include <string.h>
  41 #include <sys/types.h>
  42 #include <sys/stat.h>
  43 #include <sys/wait.h>
  44 #include <pwd.h>                /* for username in xterm title */
  45
  46 #include "lib/global.h"
  47 #include "lib/fileloc.h"        /* MC_HINT */
  48
  49 #include "lib/tty/tty.h"
  50 #include "lib/tty/key.h"        /* KEY_M_* masks */
  51 #include "lib/skin.h"
  52 #include "lib/util.h"
  53
  54 #include "lib/vfs/vfs.h"
  55
  56 #include "src/args.h"
  57 #ifdef ENABLE_SUBSHELL
  58 #include "src/subshell/subshell.h"
  59 #endif
  60 #include "src/execute.h"        /* toggle_subshell */
  61 #include "src/setup.h"          /* variables */
  62 #include "src/learn.h"          /* learn_keys() */
  63 #include "src/keymap.h"
  64 #include "lib/fileloc.h"        /* MC_FILEPOS_FILE */
  65 #include "lib/keybind.h"
  66 #include "lib/event.h"
  67
  68 #include "tree.h"
  69 #include "boxes.h"              /* sort_box(), tree_box() */
  70 #include "layout.h"
  71 #include "cmd.h"                /* commands */
  72 #include "hotlist.h"
  73 #include "panelize.h"
  74 #include "command.h"            /* cmdline */
  75 #include "dir.h"                /* dir_list_clean() */
  76
  77 #ifdef USE_INTERNAL_EDIT
  78 #include "src/editor/edit.h"
  79 #endif
  80
  81 #ifdef USE_DIFF_VIEW
  82 #include "src/diffviewer/ydiff.h"
  83 #endif
  84
  85 #include "src/consaver/cons.saver.h"    /* show_console_contents */
  86 #include "src/file_history.h"   /* show_file_history() */
  87
  88 #include "filemanager.h"
  89
  90 /*** global variables ****************************************************************************/
  91
  92 /* When the modes are active, left_panel, right_panel and tree_panel */
  93 /* point to a proper data structure.  You should check with the functions */
  94 /* get_current_type and get_other_type the types of the panels before using */
  95 /* this pointer variables */
  96
  97 /* The structures for the panels */
  98 WPanel *left_panel = NULL;
  99 WPanel *right_panel = NULL;
 100 /* Pointer to the selected and unselected panel */
 101 WPanel *current_panel = NULL;
 102
 103 /* The Menubar */
 104 WMenuBar *the_menubar = NULL;
 105 /* The widget where we draw the prompt */
 106 WLabel *the_prompt;
 107 /* The hint bar */
 108 WLabel *the_hint;
 109 /* The button bar */
 110 WButtonBar *the_bar;
 111
 112 /* The prompt */
 113 const char *mc_prompt = NULL;
 114
 115 /*** file scope macro definitions ****************************************************************/
 116
 117 #ifdef HAVE_CHARSET
 118 /*
 119  * Don't restrict the output on the screen manager level,
 120  * the translation tables take care of it.
 121  */
 122 #endif /* !HAVE_CHARSET */
 123
 124 /*** file scope type declarations ****************************************************************/
 125
 126 /*** forward declarations (file scope functions) *************************************************/
 127
 128 /*** file scope variables ************************************************************************/
 129
 130 static menu_t *left_menu, *right_menu;
 131
 132 /* --------------------------------------------------------------------------------------------- */
 133 /*** file scope functions ************************************************************************/
 134 /* --------------------------------------------------------------------------------------------- */
 135
 136 /** Stop MC main dialog and the current dialog if it exists.
 137   * Needed to provide fast exit from MC viewer or editor on shell exit */
 138 static void
 139 stop_dialogs (void)
 140 {
 141     dlg_close (filemanager);
 142
 143     if (top_dlg != NULL)
 144         dlg_close (DIALOG (top_dlg->data));
 145 }
 146
 147 /* --------------------------------------------------------------------------------------------- */
 148
 149 static void
 150 treebox_cmd (void)
 151 {
 152     char *sel_dir;
 153
 154     sel_dir = tree_box (panel_current_entry (current_panel)->fname->str);
 155     if (sel_dir != NULL)
 156     {
 157         vfs_path_t *sel_vdir;
 158
 159         sel_vdir = vfs_path_from_str (sel_dir);
 160         panel_cd (current_panel, sel_vdir, cd_exact);
 161         vfs_path_free (sel_vdir, TRUE);
 162         g_free (sel_dir);
 163     }
 164 }
 165
 166 /* --------------------------------------------------------------------------------------------- */
 167
 168 #ifdef LISTMODE_EDITOR
 169 static void
 170 listmode_cmd (void)
 171 {
 172     char *newmode;
 173
 174     if (get_current_type () != view_listing)
 175         return;
 176
 177     newmode = listmode_edit (current_panel->user_format);
 178     if (!newmode)
 179         return;
 180
 181     g_free (current_panel->user_format);
 182     current_panel->list_format = list_user;
 183     current_panel->user_format = newmode;
 184     set_panel_formats (current_panel);
 185
 186     do_refresh ();
 187 }
 188 #endif /* LISTMODE_EDITOR */
 189
 190 /* --------------------------------------------------------------------------------------------- */
 191
 192 static GList *
 193 create_panel_menu (void)
 194 {
 195     GList *entries = NULL;
 196
 197     entries = g_list_prepend (entries, menu_entry_new (_("File listin&g"), CK_PanelListing));
 198     entries = g_list_prepend (entries, menu_entry_new (_("&Quick view"), CK_PanelQuickView));
 199     entries = g_list_prepend (entries, menu_entry_new (_("&Info"), CK_PanelInfo));
 200     entries = g_list_prepend (entries, menu_entry_new (_("&Tree"), CK_PanelTree));
 201     entries = g_list_prepend (entries, menu_separator_new ());
 202     entries =
 203         g_list_prepend (entries, menu_entry_new (_("&Listing format..."), CK_SetupListingFormat));
 204     entries = g_list_prepend (entries, menu_entry_new (_("&Sort order..."), CK_Sort));
 205     entries = g_list_prepend (entries, menu_entry_new (_("&Filter..."), CK_Filter));
 206 #ifdef HAVE_CHARSET
 207     entries = g_list_prepend (entries, menu_entry_new (_("&Encoding..."), CK_SelectCodepage));
 208 #endif
 209     entries = g_list_prepend (entries, menu_separator_new ());
 210 #ifdef ENABLE_VFS_FTP
 211     entries = g_list_prepend (entries, menu_entry_new (_("FT&P link..."), CK_ConnectFtp));
 212 #endif
 213 #ifdef ENABLE_VFS_SHELL
 214     entries = g_list_prepend (entries, menu_entry_new (_("S&hell link..."), CK_ConnectShell));
 215 #endif
 216 #ifdef ENABLE_VFS_SFTP
 217     entries = g_list_prepend (entries, menu_entry_new (_("SFTP li&nk..."), CK_ConnectSftp));
 218 #endif
 219     entries = g_list_prepend (entries, menu_entry_new (_("Paneli&ze"), CK_Panelize));
 220     entries = g_list_prepend (entries, menu_separator_new ());
 221     entries = g_list_prepend (entries, menu_entry_new (_("&Rescan"), CK_Reread));
 222
 223     return g_list_reverse (entries);
 224 }
 225
 226 /* --------------------------------------------------------------------------------------------- */
 227
 228 static GList *
 229 create_file_menu (void)
 230 {
 231     GList *entries = NULL;
 232
 233     entries = g_list_prepend (entries, menu_entry_new (_("&View"), CK_View));
 234     entries = g_list_prepend (entries, menu_entry_new (_("Vie&w file..."), CK_ViewFile));
 235     entries = g_list_prepend (entries, menu_entry_new (_("&Filtered view"), CK_ViewFiltered));
 236     entries = g_list_prepend (entries, menu_entry_new (_("&Edit"), CK_Edit));
 237     entries = g_list_prepend (entries, menu_entry_new (_("&Copy"), CK_Copy));
 238     entries = g_list_prepend (entries, menu_entry_new (_("C&hmod"), CK_ChangeMode));
 239     entries = g_list_prepend (entries, menu_entry_new (_("&Link"), CK_Link));
 240     entries = g_list_prepend (entries, menu_entry_new (_("&Symlink"), CK_LinkSymbolic));
 241     entries =
 242         g_list_prepend (entries, menu_entry_new (_("Relative symlin&k"), CK_LinkSymbolicRelative));
 243     entries = g_list_prepend (entries, menu_entry_new (_("Edit s&ymlink"), CK_LinkSymbolicEdit));
 244     entries = g_list_prepend (entries, menu_entry_new (_("Ch&own"), CK_ChangeOwn));
 245     entries = g_list_prepend (entries, menu_entry_new (_("&Advanced chown"), CK_ChangeOwnAdvanced));
 246 #ifdef ENABLE_EXT2FS_ATTR
 247     entries = g_list_prepend (entries, menu_entry_new (_("Cha&ttr"), CK_ChangeAttributes));
 248 #endif
 249     entries = g_list_prepend (entries, menu_entry_new (_("&Rename/Move"), CK_Move));
 250     entries = g_list_prepend (entries, menu_entry_new (_("&Mkdir"), CK_MakeDir));
 251     entries = g_list_prepend (entries, menu_entry_new (_("&Delete"), CK_Delete));
 252     entries = g_list_prepend (entries, menu_entry_new (_("&Quick cd"), CK_CdQuick));
 253     entries = g_list_prepend (entries, menu_separator_new ());
 254     entries = g_list_prepend (entries, menu_entry_new (_("Select &group"), CK_Select));
 255     entries = g_list_prepend (entries, menu_entry_new (_("U&nselect group"), CK_Unselect));
 256     entries = g_list_prepend (entries, menu_entry_new (_("&Invert selection"), CK_SelectInvert));
 257     entries = g_list_prepend (entries, menu_separator_new ());
 258     entries = g_list_prepend (entries, menu_entry_new (_("E&xit"), CK_Quit));
 259
 260     return g_list_reverse (entries);
 261 }
 262
 263 /* --------------------------------------------------------------------------------------------- */
 264
 265 static GList *
 266 create_command_menu (void)
 267 {
 268     /* I know, I'm lazy, but the tree widget when it's not running
 269      * as a panel still has some problems, I have not yet finished
 270      * the WTree widget port, sorry.
 271      */
 272     GList *entries = NULL;
 273
 274     entries = g_list_prepend (entries, menu_entry_new (_("&User menu"), CK_UserMenu));
 275     entries = g_list_prepend (entries, menu_entry_new (_("&Directory tree"), CK_Tree));
 276     entries = g_list_prepend (entries, menu_entry_new (_("&Find file"), CK_Find));
 277     entries = g_list_prepend (entries, menu_entry_new (_("S&wap panels"), CK_Swap));
 278     entries = g_list_prepend (entries, menu_entry_new (_("Switch &panels on/off"), CK_Shell));
 279     entries = g_list_prepend (entries, menu_entry_new (_("&Compare directories"), CK_CompareDirs));
 280 #ifdef USE_DIFF_VIEW
 281     entries = g_list_prepend (entries, menu_entry_new (_("C&ompare files"), CK_CompareFiles));
 282 #endif
 283     entries =
 284         g_list_prepend (entries, menu_entry_new (_("E&xternal panelize"), CK_ExternalPanelize));
 285     entries = g_list_prepend (entries, menu_entry_new (_("Show directory s&izes"), CK_DirSize));
 286     entries = g_list_prepend (entries, menu_separator_new ());
 287     entries = g_list_prepend (entries, menu_entry_new (_("Command &history"), CK_History));
 288     entries =
 289         g_list_prepend (entries,
 290                         menu_entry_new (_("Viewed/edited files hi&story"), CK_EditorViewerHistory));
 291     entries = g_list_prepend (entries, menu_entry_new (_("Di&rectory hotlist"), CK_HotList));
 292 #ifdef ENABLE_VFS
 293     entries = g_list_prepend (entries, menu_entry_new (_("&Active VFS list"), CK_VfsList));
 294 #endif
 295 #ifdef ENABLE_BACKGROUND
 296     entries = g_list_prepend (entries, menu_entry_new (_("&Background jobs"), CK_Jobs));
 297 #endif
 298     entries = g_list_prepend (entries, menu_entry_new (_("Screen lis&t"), CK_ScreenList));
 299     entries = g_list_prepend (entries, menu_separator_new ());
 300 #ifdef ENABLE_VFS_UNDELFS
 301     entries =
 302         g_list_prepend (entries, menu_entry_new (_("&Undelete files (ext2fs only)"), CK_Undelete));
 303 #endif
 304 #ifdef LISTMODE_EDITOR
 305     entries = g_list_prepend (entries, menu_entry_new (_("&Listing format edit"), CK_ListMode));
 306 #endif
 307 #if defined (ENABLE_VFS_UNDELFS) || defined (LISTMODE_EDITOR)
 308     entries = g_list_prepend (entries, menu_separator_new ());
 309 #endif
 310     entries =
 311         g_list_prepend (entries, menu_entry_new (_("Edit &extension file"), CK_EditExtensionsFile));
 312     entries = g_list_prepend (entries, menu_entry_new (_("Edit &menu file"), CK_EditUserMenu));
 313     entries =
 314         g_list_prepend (entries,
 315                         menu_entry_new (_("Edit hi&ghlighting group file"),
 316                                         CK_EditFileHighlightFile));
 317
 318     return g_list_reverse (entries);
 319 }
 320
 321 /* --------------------------------------------------------------------------------------------- */
 322
 323 static GList *
 324 create_options_menu (void)
 325 {
 326     GList *entries = NULL;
 327
 328     entries = g_list_prepend (entries, menu_entry_new (_("&Configuration..."), CK_Options));
 329     entries = g_list_prepend (entries, menu_entry_new (_("&Layout..."), CK_OptionsLayout));
 330     entries = g_list_prepend (entries, menu_entry_new (_("&Panel options..."), CK_OptionsPanel));
 331     entries = g_list_prepend (entries, menu_entry_new (_("C&onfirmation..."), CK_OptionsConfirm));
 332     entries = g_list_prepend (entries, menu_entry_new (_("&Appearance..."), CK_OptionsAppearance));
 333     entries =
 334         g_list_prepend (entries, menu_entry_new (_("&Display bits..."), CK_OptionsDisplayBits));
 335     entries = g_list_prepend (entries, menu_entry_new (_("Learn &keys..."), CK_LearnKeys));
 336 #ifdef ENABLE_VFS
 337     entries = g_list_prepend (entries, menu_entry_new (_("&Virtual FS..."), CK_OptionsVfs));
 338 #endif
 339     entries = g_list_prepend (entries, menu_separator_new ());
 340     entries = g_list_prepend (entries, menu_entry_new (_("&Save setup"), CK_SaveSetup));
 341
 342     return g_list_reverse (entries);
 343 }
 344
 345 /* --------------------------------------------------------------------------------------------- */
 346
 347 static void
 348 init_menu (void)
 349 {
 350     left_menu = menu_new ("", create_panel_menu (), "[Left and Right Menus]");
 351     menubar_add_menu (the_menubar, left_menu);
 352     menubar_add_menu (the_menubar, menu_new (_("&File"), create_file_menu (), "[File Menu]"));
 353     menubar_add_menu (the_menubar,
 354                       menu_new (_("&Command"), create_command_menu (), "[Command Menu]"));
 355     menubar_add_menu (the_menubar,
 356                       menu_new (_("&Options"), create_options_menu (), "[Options Menu]"));
 357     right_menu = menu_new ("", create_panel_menu (), "[Left and Right Menus]");
 358     menubar_add_menu (the_menubar, right_menu);
 359     update_menu ();
 360 }
 361
 362 /* --------------------------------------------------------------------------------------------- */
 363
 364 static void
 365 menu_last_selected_cmd (void)
 366 {
 367     menubar_activate (the_menubar, drop_menus, -1);
 368 }
 369
 370 /* --------------------------------------------------------------------------------------------- */
 371
 372 static void
 373 menu_cmd (void)
 374 {
 375     int selected;
 376
 377     if ((get_current_index () == 0) == current_panel->active)
 378         selected = 0;
 379     else
 380         selected = g_list_length (the_menubar->menu) - 1;
 381
 382     menubar_activate (the_menubar, drop_menus, selected);
 383 }
 384
 385 /* --------------------------------------------------------------------------------------------- */
 386
 387 static void
 388 sort_cmd (void)
 389 {
 390     WPanel *p;
 391     const panel_field_t *sort_order;
 392
 393     if (!SELECTED_IS_PANEL)
 394         return;
 395
 396     p = MENU_PANEL;
 397     sort_order = sort_box (&p->sort_info, p->sort_field);
 398     panel_set_sort_order (p, sort_order);
 399 }
 400
 401 /* --------------------------------------------------------------------------------------------- */
 402
 403 static char *
 404 midnight_get_shortcut (long command)
 405 {
 406     const char *ext_map;
 407     const char *shortcut = NULL;
 408
 409     shortcut = keybind_lookup_keymap_shortcut (filemanager_map, command);
 410     if (shortcut != NULL)
 411         return g_strdup (shortcut);
 412
 413     shortcut = keybind_lookup_keymap_shortcut (panel_map, command);
 414     if (shortcut != NULL)
 415         return g_strdup (shortcut);
 416
 417     ext_map = keybind_lookup_keymap_shortcut (filemanager_map, CK_ExtendedKeyMap);
 418     if (ext_map != NULL)
 419         shortcut = keybind_lookup_keymap_shortcut (filemanager_x_map, command);
 420     if (shortcut != NULL)
 421         return g_strdup_printf ("%s %s", ext_map, shortcut);
 422
 423     return NULL;
 424 }
 425
 426 /* --------------------------------------------------------------------------------------------- */
 427
 428 static char *
 429 midnight_get_title (const WDialog * h, size_t len)
 430 {
 431     char *path;
 432     char *login;
 433     char *p;
 434
 435     (void) h;
 436
 437     title_path_prepare (&path, &login);
 438
 439     p = g_strdup_printf ("%s [%s]:%s", _("Panels:"), login, path);
 440     g_free (path);
 441     g_free (login);
 442     path = g_strdup (str_trunc (p, len - 4));
 443     g_free (p);
 444
 445     return path;
 446 }
 447
 448 /* --------------------------------------------------------------------------------------------- */
 449
 450 static void
 451 toggle_panels_split (void)
 452 {
 453     panels_layout.horizontal_split = !panels_layout.horizontal_split;
 454     layout_change ();
 455     do_refresh ();
 456 }
 457
 458 /* --------------------------------------------------------------------------------------------- */
 459
 460 #ifdef ENABLE_VFS
 461 /* event helper */
 462 static gboolean
 463 check_panel_timestamp (const WPanel * panel, panel_view_mode_t mode, const struct vfs_class *vclass,
 464                        const vfsid id)
 465 {
 466     return (mode != view_listing || (vfs_path_get_last_path_vfs (panel->cwd_vpath) == vclass
 467                                      && vfs_getid (panel->cwd_vpath) == id));
 468 }
 469
 470 /* --------------------------------------------------------------------------------------------- */
 471
 472 /* event callback */
 473 static gboolean
 474 check_current_panel_timestamp (const gchar * event_group_name, const gchar * event_name,
 475                                gpointer init_data, gpointer data)
 476 {
 477     ev_vfs_stamp_create_t *event_data = (ev_vfs_stamp_create_t *) data;
 478
 479     (void) event_group_name;
 480     (void) event_name;
 481     (void) init_data;
 482
 483     event_data->ret =
 484         check_panel_timestamp (current_panel, get_current_type (), event_data->vclass,
 485                                event_data->id);
 486     return !event_data->ret;
 487 }
 488
 489 /* --------------------------------------------------------------------------------------------- */
 490
 491 /* event callback */
 492 static gboolean
 493 check_other_panel_timestamp (const gchar * event_group_name, const gchar * event_name,
 494                              gpointer init_data, gpointer data)
 495 {
 496     ev_vfs_stamp_create_t *event_data = (ev_vfs_stamp_create_t *) data;
 497
 498     (void) event_group_name;
 499     (void) event_name;
 500     (void) init_data;
 501
 502     event_data->ret =
 503         check_panel_timestamp (other_panel, get_other_type (), event_data->vclass, event_data->id);
 504     return !event_data->ret;
 505 }
 506 #endif /* ENABLE_VFS */
 507
 508 /* --------------------------------------------------------------------------------------------- */
 509
 510 /* event callback */
 511 static gboolean
 512 print_vfs_message (const gchar * event_group_name, const gchar * event_name,
 513                    gpointer init_data, gpointer data)
 514 {
 515     ev_vfs_print_message_t *event_data = (ev_vfs_print_message_t *) data;
 516
 517     (void) event_group_name;
 518     (void) event_name;
 519     (void) init_data;
 520
 521     if (mc_global.midnight_shutdown)
 522         goto ret;
 523
 524     if (!mc_global.message_visible || the_hint == NULL || WIDGET (the_hint)->owner == NULL)
 525     {
 526         int col, row;
 527
 528         if (!nice_rotating_dash || (ok_to_refresh <= 0))
 529             goto ret;
 530
 531         /* Preserve current cursor position */
 532         tty_getyx (&row, &col);
 533
 534         tty_gotoyx (0, 0);
 535         tty_setcolor (NORMAL_COLOR);
 536         tty_print_string (str_fit_to_term (event_data->msg, COLS - 1, J_LEFT));
 537
 538         /* Restore cursor position */
 539         tty_gotoyx (row, col);
 540         mc_refresh ();
 541         goto ret;
 542     }
 543
 544     if (mc_global.message_visible)
 545         set_hintbar (event_data->msg);
 546
 547   ret:
 548     MC_PTR_FREE (event_data->msg);
 549     return TRUE;
 550 }
 551
 552 /* --------------------------------------------------------------------------------------------- */
 553
 554 static void
 555 create_panels (void)
 556 {
 557     int current_index, other_index;
 558     panel_view_mode_t current_mode, other_mode;
 559     char *current_dir, *other_dir;
 560     vfs_path_t *original_dir;
 561
 562     /*
 563      * Following cases from command line are possible:
 564      * 'mc' (no arguments):            mc_run_param0 == NULL, mc_run_param1 == NULL
 565      *                                 active panel uses current directory
 566      *                                 passive panel uses "other_dir" from panels.ini
 567      *
 568      * 'mc dir1 dir2' (two arguments): mc_run_param0 != NULL, mc_run_param1 != NULL
 569      *                                 active panel uses mc_run_param0
 570      *                                 passive panel uses mc_run_param1
 571      *
 572      * 'mc dir1' (single argument):    mc_run_param0 != NULL, mc_run_param1 == NULL
 573      *                                 active panel uses mc_run_param0
 574      *                                 passive panel uses "other_dir" from panels.ini
 575      */
 576
 577     /* Set up panel directories */
 578     if (boot_current_is_left)
 579     {
 580         /* left panel is active */
 581         current_index = 0;
 582         other_index = 1;
 583         current_mode = startup_left_mode;
 584         other_mode = startup_right_mode;
 585
 586         if (mc_run_param0 == NULL && mc_run_param1 == NULL)
 587         {
 588             /* no arguments */
 589             current_dir = NULL; /* assume current dir */
 590             other_dir = saved_other_dir;        /* from ini */
 591         }
 592         else if (mc_run_param0 != NULL && mc_run_param1 != NULL)
 593         {
 594             /* two arguments */
 595             current_dir = (char *) mc_run_param0;
 596             other_dir = mc_run_param1;
 597         }
 598         else                    /* mc_run_param0 != NULL && mc_run_param1 == NULL */
 599         {
 600             /* one argument */
 601             current_dir = (char *) mc_run_param0;
 602             other_dir = saved_other_dir;        /* from ini */
 603         }
 604     }
 605     else
 606     {
 607         /* right panel is active */
 608         current_index = 1;
 609         other_index = 0;
 610         current_mode = startup_right_mode;
 611         other_mode = startup_left_mode;
 612
 613         if (mc_run_param0 == NULL && mc_run_param1 == NULL)
 614         {
 615             /* no arguments */
 616             current_dir = NULL; /* assume current dir */
 617             other_dir = saved_other_dir;        /* from ini */
 618         }
 619         else if (mc_run_param0 != NULL && mc_run_param1 != NULL)
 620         {
 621             /* two arguments */
 622             current_dir = (char *) mc_run_param0;
 623             other_dir = mc_run_param1;
 624         }
 625         else                    /* mc_run_param0 != NULL && mc_run_param1 == NULL */
 626         {
 627             /* one argument */
 628             current_dir = (char *) mc_run_param0;
 629             other_dir = saved_other_dir;        /* from ini */
 630         }
 631     }
 632
 633     /* 1. Get current dir */
 634     original_dir = vfs_path_clone (vfs_get_raw_current_dir ());
 635
 636     /* 2. Create passive panel */
 637     if (other_dir != NULL)
 638     {
 639         vfs_path_t *vpath;
 640
 641         if (g_path_is_absolute (other_dir))
 642             vpath = vfs_path_from_str (other_dir);
 643         else
 644             vpath = vfs_path_append_new (original_dir, other_dir, (char *) NULL);
 645         mc_chdir (vpath);
 646         vfs_path_free (vpath, TRUE);
 647     }
 648     create_panel (other_index, other_mode);
 649
 650     /* 3. Create active panel */
 651     if (current_dir == NULL)
 652         mc_chdir (original_dir);
 653     else
 654     {
 655         vfs_path_t *vpath;
 656
 657         if (g_path_is_absolute (current_dir))
 658             vpath = vfs_path_from_str (current_dir);
 659         else
 660             vpath = vfs_path_append_new (original_dir, current_dir, (char *) NULL);
 661         mc_chdir (vpath);
 662         vfs_path_free (vpath, TRUE);
 663     }
 664     create_panel (current_index, current_mode);
 665
 666     if (startup_left_mode == view_listing)
 667         current_panel = left_panel;
 668     else if (right_panel != NULL)
 669         current_panel = right_panel;
 670     else
 671         current_panel = left_panel;
 672
 673     vfs_path_free (original_dir, TRUE);
 674
 675 #ifdef ENABLE_VFS
 676     mc_event_add (MCEVENT_GROUP_CORE, "vfs_timestamp", check_other_panel_timestamp, NULL, NULL);
 677     mc_event_add (MCEVENT_GROUP_CORE, "vfs_timestamp", check_current_panel_timestamp, NULL, NULL);
 678 #endif /* ENABLE_VFS */
 679
 680     mc_event_add (MCEVENT_GROUP_CORE, "vfs_print_message", print_vfs_message, NULL, NULL);
 681 }
 682
 683 /* --------------------------------------------------------------------------------------------- */
 684
 685 static void
 686 midnight_put_panel_path (WPanel * panel)
 687 {
 688     vfs_path_t *cwd_vpath;
 689     const char *cwd_vpath_str;
 690
 691     if (!command_prompt)
 692         return;
 693
 694 #ifdef HAVE_CHARSET
 695     cwd_vpath = remove_encoding_from_path (panel->cwd_vpath);
 696 #else
 697     cwd_vpath = vfs_path_clone (panel->cwd_vpath);
 698 #endif
 699
 700     cwd_vpath_str = vfs_path_as_str (cwd_vpath);
 701
 702     command_insert (cmdline, cwd_vpath_str, FALSE);
 703
 704     if (!IS_PATH_SEP (cwd_vpath_str[strlen (cwd_vpath_str) - 1]))
 705         command_insert (cmdline, PATH_SEP_STR, FALSE);
 706
 707     vfs_path_free (cwd_vpath, TRUE);
 708 }
 709
 710 /* --------------------------------------------------------------------------------------------- */
 711
 712 static void
 713 put_link (WPanel * panel)
 714 {
 715     const file_entry_t *fe;
 716
 717     if (!command_prompt)
 718         return;
 719
 720     fe = panel_current_entry (panel);
 721
 722     if (S_ISLNK (fe->st.st_mode))
 723     {
 724         char buffer[MC_MAXPATHLEN];
 725         vfs_path_t *vpath;
 726         int i;
 727
 728         vpath = vfs_path_append_new (panel->cwd_vpath, fe->fname->str, (char *) NULL);
 729         i = mc_readlink (vpath, buffer, sizeof (buffer) - 1);
 730         vfs_path_free (vpath, TRUE);
 731
 732         if (i > 0)
 733         {
 734             buffer[i] = '\0';
 735             command_insert (cmdline, buffer, TRUE);
 736         }
 737     }
 738 }
 739
 740 /* --------------------------------------------------------------------------------------------- */
 741
 742 static void
 743 put_current_link (void)
 744 {
 745     put_link (current_panel);
 746 }
 747
 748 /* --------------------------------------------------------------------------------------------- */
 749
 750 static void
 751 put_other_link (void)
 752 {
 753     if (get_other_type () == view_listing)
 754         put_link (other_panel);
 755 }
 756
 757 /* --------------------------------------------------------------------------------------------- */
 758
 759 /** Insert the selected file name into the input line */
 760 static void
 761 put_current_selected (void)
 762 {
 763     const char *tmp;
 764
 765     if (!command_prompt)
 766         return;
 767
 768     if (get_current_type () == view_tree)
 769     {
 770         WTree *tree;
 771         const vfs_path_t *selected_name;
 772
 773         tree = (WTree *) get_panel_widget (get_current_index ());
 774         selected_name = tree_selected_name (tree);
 775         tmp = vfs_path_as_str (selected_name);
 776     }
 777     else
 778         tmp = panel_current_entry (current_panel)->fname->str;
 779
 780     command_insert (cmdline, tmp, TRUE);
 781 }
 782
 783 /* --------------------------------------------------------------------------------------------- */
 784
 785 static void
 786 put_tagged (WPanel * panel)
 787 {
 788     if (!command_prompt)
 789         return;
 790
 791     input_disable_update (cmdline);
 792
 793     if (panel->marked == 0)
 794         command_insert (cmdline, panel_current_entry (panel)->fname->str, TRUE);
 795     else
 796     {
 797         int i;
 798
 799         for (i = 0; i < panel->dir.len; i++)
 800             if (panel->dir.list[i].f.marked != 0)
 801                 command_insert (cmdline, panel->dir.list[i].fname->str, TRUE);
 802     }
 803
 804     input_enable_update (cmdline);
 805 }
 806
 807 /* --------------------------------------------------------------------------------------------- */
 808
 809 static void
 810 put_current_tagged (void)
 811 {
 812     put_tagged (current_panel);
 813 }
 814
 815 /* --------------------------------------------------------------------------------------------- */
 816
 817 static void
 818 put_other_tagged (void)
 819 {
 820     if (get_other_type () == view_listing)
 821         put_tagged (other_panel);
 822 }
 823
 824 /* --------------------------------------------------------------------------------------------- */
 825
 826 static void
 827 setup_mc (void)
 828 {
 829 #ifdef HAVE_SLANG
 830 #ifdef HAVE_CHARSET
 831     tty_display_8bit (TRUE);
 832 #else
 833     tty_display_8bit (mc_global.full_eight_bits);
 834 #endif /* HAVE_CHARSET */
 835
 836 #else /* HAVE_SLANG */
 837
 838 #ifdef HAVE_CHARSET
 839     tty_display_8bit (TRUE);
 840 #else
 841     tty_display_8bit (mc_global.eight_bit_clean);
 842 #endif /* HAVE_CHARSET */
 843 #endif /* HAVE_SLANG */
 844
 845     if ((tty_baudrate () < 9600) || mc_global.tty.slow_terminal)
 846         verbose = FALSE;
 847 }
 848
 849 /* --------------------------------------------------------------------------------------------- */
 850
 851 static void
 852 setup_dummy_mc (void)
 853 {
 854     vfs_path_t *vpath;
 855     char *d;
 856     int ret;
 857
 858     d = vfs_get_cwd ();
 859     setup_mc ();
 860     vpath = vfs_path_from_str (d);
 861     ret = mc_chdir (vpath);
 862     (void) ret;
 863     vfs_path_free (vpath, TRUE);
 864     g_free (d);
 865 }
 866
 867 /* --------------------------------------------------------------------------------------------- */
 868
 869 static void
 870 done_mc (void)
 871 {
 872     /* Setup shutdown
 873      *
 874      * We sync the profiles since the hotlist may have changed, while
 875      * we only change the setup data if we have the auto save feature set
 876      */
 877
 878     save_setup (auto_save_setup, panels_options.auto_save_setup);
 879
 880     vfs_stamp_path (vfs_get_raw_current_dir ());
 881 }
 882
 883 /* --------------------------------------------------------------------------------------------- */
 884
 885 static void
 886 create_file_manager (void)
 887 {
 888     Widget *w = WIDGET (filemanager);
 889     WGroup *g = GROUP (filemanager);
 890
 891     w->keymap = filemanager_map;
 892     w->ext_keymap = filemanager_x_map;
 893
 894     filemanager->get_shortcut = midnight_get_shortcut;
 895     filemanager->get_title = midnight_get_title;
 896     /* allow rebind tab */
 897     widget_want_tab (w, TRUE);
 898
 899     the_menubar = menubar_new (NULL);
 900     group_add_widget (g, the_menubar);
 901     init_menu ();
 902
 903     create_panels ();
 904     group_add_widget (g, get_panel_widget (0));
 905     group_add_widget (g, get_panel_widget (1));
 906
 907     the_hint = label_new (0, 0, NULL);
 908     the_hint->transparent = TRUE;
 909     the_hint->auto_adjust_cols = 0;
 910     WIDGET (the_hint)->rect.cols = COLS;
 911     group_add_widget (g, the_hint);
 912
 913     cmdline = command_new (0, 0, 0);
 914     group_add_widget (g, cmdline);
 915
 916     the_prompt = label_new (0, 0, mc_prompt);
 917     the_prompt->transparent = TRUE;
 918     group_add_widget (g, the_prompt);
 919
 920     the_bar = buttonbar_new ();
 921     group_add_widget (g, the_bar);
 922     midnight_set_buttonbar (the_bar);
 923
 924 #ifdef ENABLE_SUBSHELL
 925     /* Must be done after creation of cmdline and prompt widgets to avoid potential
 926        NULL dereference in load_prompt() -> ... -> setup_cmdline() -> label_set_text(). */
 927     if (mc_global.tty.use_subshell)
 928         add_select_channel (mc_global.tty.subshell_pty, load_prompt, NULL);
 929 #endif /* !ENABLE_SUBSHELL */
 930 }
 931
 932 /* --------------------------------------------------------------------------------------------- */
 933
 934 /** result must be free'd (I think this should go in util.c) */
 935 static vfs_path_t *
 936 prepend_cwd_on_local (const char *filename)
 937 {
 938     vfs_path_t *vpath;
 939
 940     vpath = vfs_path_from_str (filename);
 941     if (!vfs_file_is_local (vpath) || g_path_is_absolute (filename))
 942         return vpath;
 943
 944     vfs_path_free (vpath, TRUE);
 945
 946     return vfs_path_append_new (vfs_get_raw_current_dir (), filename, (char *) NULL);
 947 }
 948
 949 /* --------------------------------------------------------------------------------------------- */
 950
 951 /** Invoke the internal view/edit routine with:
 952  * the default processing and forcing the internal viewer/editor
 953  */
 954 static gboolean
 955 mc_maybe_editor_or_viewer (void)
 956 {
 957     gboolean ret;
 958
 959     switch (mc_global.mc_run_mode)
 960     {
 961 #ifdef USE_INTERNAL_EDIT
 962     case MC_RUN_EDITOR:
 963         ret = edit_files ((GList *) mc_run_param0);
 964         break;
 965 #endif /* USE_INTERNAL_EDIT */
 966     case MC_RUN_VIEWER:
 967         {
 968             vfs_path_t *vpath = NULL;
 969
 970             if (mc_run_param0 != NULL && *(char *) mc_run_param0 != '\0')
 971                 vpath = prepend_cwd_on_local ((char *) mc_run_param0);
 972
 973             ret = view_file (vpath, FALSE, TRUE);
 974             vfs_path_free (vpath, TRUE);
 975             break;
 976         }
 977 #ifdef USE_DIFF_VIEW
 978     case MC_RUN_DIFFVIEWER:
 979         ret = dview_diff_cmd (mc_run_param0, mc_run_param1);
 980         break;
 981 #endif /* USE_DIFF_VIEW */
 982     default:
 983         ret = FALSE;
 984     }
 985
 986     return ret;
 987 }
 988
 989 /* --------------------------------------------------------------------------------------------- */
 990
 991 static void
 992 show_editor_viewer_history (void)
 993 {
 994     char *s;
 995     int act;
 996
 997     s = show_file_history (WIDGET (filemanager), &act);
 998     if (s != NULL)
 999     {
1000         vfs_path_t *s_vpath;
1001
1002         switch (act)
1003         {
1004         case CK_Edit:
1005             s_vpath = vfs_path_from_str (s);
1006             edit_file_at_line (s_vpath, use_internal_edit, 0);
1007             break;
1008
1009         case CK_View:
1010             s_vpath = vfs_path_from_str (s);
1011             view_file (s_vpath, use_internal_view, FALSE);
1012             break;
1013
1014         default:
1015             {
1016                 char *d;
1017
1018                 d = g_path_get_dirname (s);
1019                 s_vpath = vfs_path_from_str (d);
1020                 panel_cd (current_panel, s_vpath, cd_exact);
1021                 panel_set_current_by_name (current_panel, s);
1022                 g_free (d);
1023             }
1024         }
1025
1026         g_free (s);
1027         vfs_path_free (s_vpath, TRUE);
1028     }
1029 }
1030
1031 /* --------------------------------------------------------------------------------------------- */
1032
1033 static gboolean
1034 quit_cmd_internal (int quiet)
1035 {
1036     int q = quit;
1037     size_t n;
1038
1039     n = dialog_switch_num () - 1;
1040     if (n != 0)
1041     {
1042         char msg[BUF_MEDIUM];
1043
1044         g_snprintf (msg, sizeof (msg),
1045                     ngettext ("You have %zu opened screen. Quit anyway?",
1046                               "You have %zu opened screens. Quit anyway?", n), n);
1047
1048         if (query_dialog (_("The Midnight Commander"), msg, D_NORMAL, 2, _("&Yes"), _("&No")) != 0)
1049             return FALSE;
1050         q = 1;
1051     }
1052     else if (quiet || !confirm_exit)
1053         q = 1;
1054     else if (query_dialog (_("The Midnight Commander"),
1055                            _("Do you really want to quit the Midnight Commander?"),
1056                            D_NORMAL, 2, _("&Yes"), _("&No")) == 0)
1057         q = 1;
1058
1059     if (q != 0)
1060     {
1061 #ifdef ENABLE_SUBSHELL
1062         if (!mc_global.tty.use_subshell)
1063             stop_dialogs ();
1064         else if ((q = exit_subshell ()? 1 : 0) != 0)
1065 #endif
1066             stop_dialogs ();
1067     }
1068
1069     if (q != 0)
1070         quit |= 1;
1071     return (quit != 0);
1072 }
1073
1074 /* --------------------------------------------------------------------------------------------- */
1075
1076 static gboolean
1077 quit_cmd (void)
1078 {
1079     return quit_cmd_internal (0);
1080 }
1081
1082 /* --------------------------------------------------------------------------------------------- */
1083
1084 /**
1085  * Repaint the contents of the panels without frames.  To schedule panel
1086  * for repainting, set panel->dirty to TRUE.  There are many reasons why
1087  * the panels need to be repainted, and this is a costly operation, so
1088  * it's done once per event.
1089  */
1090
1091 static void
1092 update_dirty_panels (void)
1093 {
1094     if (get_current_type () == view_listing && current_panel->dirty)
1095         widget_draw (WIDGET (current_panel));
1096
1097     if (get_other_type () == view_listing && other_panel->dirty)
1098         widget_draw (WIDGET (other_panel));
1099 }
1100
1101 /* --------------------------------------------------------------------------------------------- */
1102
1103 static void
1104 toggle_show_hidden (void)
1105 {
1106     panels_options.show_dot_files = !panels_options.show_dot_files;
1107     update_panels (UP_RELOAD, UP_KEEPSEL);
1108     /* redraw panels forced */
1109     update_dirty_panels ();
1110 }
1111
1112 /* --------------------------------------------------------------------------------------------- */
1113
1114 static cb_ret_t
1115 midnight_execute_cmd (Widget * sender, long command)
1116 {
1117     cb_ret_t res = MSG_HANDLED;
1118
1119     (void) sender;
1120
1121     /* stop quick search before executing any command */
1122     send_message (current_panel, NULL, MSG_ACTION, CK_SearchStop, NULL);
1123
1124     switch (command)
1125     {
1126     case CK_ChangePanel:
1127         (void) change_panel ();
1128         break;
1129     case CK_HotListAdd:
1130         add2hotlist_cmd (current_panel);
1131         break;
1132     case CK_SetupListingFormat:
1133         setup_listing_format_cmd ();
1134         break;
1135     case CK_ChangeMode:
1136         chmod_cmd (current_panel);
1137         break;
1138     case CK_ChangeOwn:
1139         chown_cmd (current_panel);
1140         break;
1141     case CK_ChangeOwnAdvanced:
1142         advanced_chown_cmd (current_panel);
1143         break;
1144 #ifdef ENABLE_EXT2FS_ATTR
1145     case CK_ChangeAttributes:
1146         chattr_cmd (current_panel);
1147         break;
1148 #endif
1149     case CK_CompareDirs:
1150         compare_dirs_cmd ();
1151         break;
1152     case CK_Options:
1153         configure_box ();
1154         break;
1155 #ifdef ENABLE_VFS
1156     case CK_OptionsVfs:
1157         configure_vfs_box ();
1158         break;
1159 #endif
1160     case CK_OptionsConfirm:
1161         confirm_box ();
1162         break;
1163     case CK_Copy:
1164         copy_cmd (current_panel);
1165         break;
1166     case CK_PutCurrentPath:
1167         midnight_put_panel_path (current_panel);
1168         break;
1169     case CK_PutCurrentSelected:
1170         put_current_selected ();
1171         break;
1172     case CK_PutCurrentFullSelected:
1173         midnight_put_panel_path (current_panel);
1174         put_current_selected ();
1175         break;
1176     case CK_PutCurrentLink:
1177         put_current_link ();
1178         break;
1179     case CK_PutCurrentTagged:
1180         put_current_tagged ();
1181         break;
1182     case CK_PutOtherPath:
1183         if (get_other_type () == view_listing)
1184             midnight_put_panel_path (other_panel);
1185         break;
1186     case CK_PutOtherLink:
1187         put_other_link ();
1188         break;
1189     case CK_PutOtherTagged:
1190         put_other_tagged ();
1191         break;
1192     case CK_Delete:
1193         delete_cmd (current_panel);
1194         break;
1195     case CK_ScreenList:
1196         dialog_switch_list ();
1197         break;
1198 #ifdef USE_DIFF_VIEW
1199     case CK_CompareFiles:
1200         diff_view_cmd ();
1201         break;
1202 #endif
1203     case CK_OptionsDisplayBits:
1204         display_bits_box ();
1205         break;
1206     case CK_Edit:
1207         edit_cmd (current_panel);
1208         break;
1209 #ifdef USE_INTERNAL_EDIT
1210     case CK_EditForceInternal:
1211         edit_cmd_force_internal (current_panel);
1212         break;
1213 #endif
1214     case CK_EditExtensionsFile:
1215         ext_cmd ();
1216         break;
1217     case CK_EditFileHighlightFile:
1218         edit_fhl_cmd ();
1219         break;
1220     case CK_EditUserMenu:
1221         edit_mc_menu_cmd ();
1222         break;
1223     case CK_LinkSymbolicEdit:
1224         edit_symlink_cmd ();
1225         break;
1226     case CK_ExternalPanelize:
1227         external_panelize_cmd ();
1228         break;
1229     case CK_ViewFiltered:
1230         view_filtered_cmd (current_panel);
1231         break;
1232     case CK_Find:
1233         find_cmd (current_panel);
1234         break;
1235 #ifdef ENABLE_VFS_SHELL
1236     case CK_ConnectShell:
1237         shelllink_cmd ();
1238         break;
1239 #endif
1240 #ifdef ENABLE_VFS_FTP
1241     case CK_ConnectFtp:
1242         ftplink_cmd ();
1243         break;
1244 #endif
1245 #ifdef ENABLE_VFS_SFTP
1246     case CK_ConnectSftp:
1247         sftplink_cmd ();
1248         break;
1249 #endif
1250     case CK_Panelize:
1251         panel_panelize_cd ();
1252         break;
1253     case CK_Help:
1254         help_cmd ();
1255         break;
1256     case CK_History:
1257         /* show the history of command line widget */
1258         send_message (cmdline, NULL, MSG_ACTION, CK_History, NULL);
1259         break;
1260     case CK_PanelInfo:
1261         if (sender == WIDGET (the_menubar))
1262             info_cmd ();        /* menu */
1263         else
1264             info_cmd_no_menu ();        /* shortcut or buttonbar */
1265         break;
1266 #ifdef ENABLE_BACKGROUND
1267     case CK_Jobs:
1268         jobs_box ();
1269         break;
1270 #endif
1271     case CK_OptionsLayout:
1272         layout_box ();
1273         break;
1274     case CK_OptionsAppearance:
1275         appearance_box ();
1276         break;
1277     case CK_LearnKeys:
1278         learn_keys ();
1279         break;
1280     case CK_Link:
1281         link_cmd (LINK_HARDLINK);
1282         break;
1283     case CK_PanelListing:
1284         listing_cmd ();
1285         break;
1286 #ifdef LISTMODE_EDITOR
1287     case CK_ListMode:
1288         listmode_cmd ();
1289         break;
1290 #endif
1291     case CK_Menu:
1292         menu_cmd ();
1293         break;
1294     case CK_MenuLastSelected:
1295         menu_last_selected_cmd ();
1296         break;
1297     case CK_MakeDir:
1298         mkdir_cmd (current_panel);
1299         break;
1300     case CK_OptionsPanel:
1301         panel_options_box ();
1302         break;
1303 #ifdef HAVE_CHARSET
1304     case CK_SelectCodepage:
1305         encoding_cmd ();
1306         break;
1307 #endif
1308     case CK_CdQuick:
1309         quick_cd_cmd (current_panel);
1310         break;
1311     case CK_HotList:
1312         hotlist_cmd (current_panel);
1313         break;
1314     case CK_PanelQuickView:
1315         if (sender == WIDGET (the_menubar))
1316             quick_view_cmd ();  /* menu */
1317         else
1318             quick_cmd_no_menu ();       /* shortcut or buttonabr */
1319         break;
1320     case CK_QuitQuiet:
1321         quiet_quit_cmd ();
1322         break;
1323     case CK_Quit:
1324         quit_cmd ();
1325         break;
1326     case CK_LinkSymbolicRelative:
1327         link_cmd (LINK_SYMLINK_RELATIVE);
1328         break;
1329     case CK_Move:
1330         rename_cmd (current_panel);
1331         break;
1332     case CK_Reread:
1333         reread_cmd ();
1334         break;
1335 #ifdef ENABLE_VFS
1336     case CK_VfsList:
1337         vfs_list (current_panel);
1338         break;
1339 #endif
1340     case CK_SaveSetup:
1341         save_setup_cmd ();
1342         break;
1343     case CK_Select:
1344     case CK_Unselect:
1345     case CK_SelectInvert:
1346     case CK_Filter:
1347         res = send_message (current_panel, filemanager, MSG_ACTION, command, NULL);
1348         break;
1349     case CK_Shell:
1350         toggle_subshell ();
1351         break;
1352     case CK_DirSize:
1353         smart_dirsize_cmd (current_panel);
1354         break;
1355     case CK_Sort:
1356         sort_cmd ();
1357         break;
1358     case CK_ExtendedKeyMap:
1359         WIDGET (filemanager)->ext_mode = TRUE;
1360         break;
1361     case CK_Suspend:
1362         mc_event_raise (MCEVENT_GROUP_CORE, "suspend", NULL);
1363         break;
1364     case CK_Swap:
1365         swap_cmd ();
1366         break;
1367     case CK_LinkSymbolic:
1368         link_cmd (LINK_SYMLINK_ABSOLUTE);
1369         break;
1370     case CK_ShowHidden:
1371         toggle_show_hidden ();
1372         break;
1373     case CK_SplitVertHoriz:
1374         toggle_panels_split ();
1375         break;
1376     case CK_SplitEqual:
1377         panels_split_equal ();
1378         break;
1379     case CK_SplitMore:
1380         panels_split_more ();
1381         break;
1382     case CK_SplitLess:
1383         panels_split_less ();
1384         break;
1385     case CK_PanelTree:
1386         panel_tree_cmd ();
1387         break;
1388     case CK_Tree:
1389         treebox_cmd ();
1390         break;
1391 #ifdef ENABLE_VFS_UNDELFS
1392     case CK_Undelete:
1393         undelete_cmd ();
1394         break;
1395 #endif
1396     case CK_UserMenu:
1397         user_file_menu_cmd ();
1398         break;
1399     case CK_View:
1400         view_cmd (current_panel);
1401         break;
1402     case CK_ViewFile:
1403         view_file_cmd (current_panel);
1404         break;
1405     case CK_EditorViewerHistory:
1406         show_editor_viewer_history ();
1407         break;
1408     case CK_Cancel:
1409         /* don't close panels due to SIGINT */
1410         break;
1411     default:
1412         res = MSG_NOT_HANDLED;
1413     }
1414
1415     return res;
1416 }
1417
1418 /* --------------------------------------------------------------------------------------------- */
1419
1420 /**
1421  * Whether the command-line should not respond to key events.
1422  *
1423  * This is TRUE if a QuickView or TreeView have the focus, as they're going
1424  * to consume some keys and there's no sense in passing to the command-line
1425  * just the leftovers.
1426  */
1427 static gboolean
1428 is_cmdline_mute (void)
1429 {
1430     /* When one of panels is other than view_listing,
1431        current_panel points to view_listing panel all time independently of
1432        it's activity. Thus, we can't use get_current_type() here.
1433        current_panel should point to actually current active panel
1434        independently of it's type. */
1435     return (!current_panel->active
1436             && (get_other_type () == view_quick || get_other_type () == view_tree));
1437 }
1438
1439 /* --------------------------------------------------------------------------------------------- */
1440
1441 /**
1442  * Handles the Enter key on the command-line.
1443  *
1444  * Returns TRUE if non-whitespace was indeed processed.
1445  */
1446 static gboolean
1447 handle_cmdline_enter (void)
1448 {
1449     const char *s;
1450
1451     for (s = input_get_ctext (cmdline); *s != '\0' && whitespace (*s); s++)
1452         ;
1453
1454     if (*s != '\0')
1455     {
1456         send_message (cmdline, NULL, MSG_KEY, '\n', NULL);
1457         return TRUE;
1458     }
1459
1460     input_insert (cmdline, "", FALSE);
1461     cmdline->point = 0;
1462
1463     return FALSE;
1464 }
1465
1466 /* --------------------------------------------------------------------------------------------- */
1467
1468 static cb_ret_t
1469 midnight_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
1470 {
1471     long command;
1472
1473     switch (msg)
1474     {
1475     case MSG_INIT:
1476         panel_init ();
1477         setup_panels ();
1478         return MSG_HANDLED;
1479
1480     case MSG_DRAW:
1481         load_hint (TRUE);
1482         group_default_callback (w, NULL, MSG_DRAW, 0, NULL);
1483         /* We handle the special case of the output lines */
1484         if (mc_global.tty.console_flag != '\0' && output_lines != 0)
1485         {
1486             unsigned char end_line;
1487
1488             end_line = LINES - (mc_global.keybar_visible ? 1 : 0) - 1;
1489             show_console_contents (output_start_y, end_line - output_lines, end_line);
1490         }
1491         return MSG_HANDLED;
1492
1493     case MSG_RESIZE:
1494         widget_adjust_position (w->pos_flags, &w->rect);
1495         setup_panels ();
1496         menubar_arrange (the_menubar);
1497         return MSG_HANDLED;
1498
1499     case MSG_IDLE:
1500         /* We only need the first idle event to show user menu after start */
1501         widget_idle (w, FALSE);
1502
1503         if (boot_current_is_left)
1504             widget_select (get_panel_widget (0));
1505         else
1506             widget_select (get_panel_widget (1));
1507
1508         if (auto_menu)
1509             midnight_execute_cmd (NULL, CK_UserMenu);
1510         return MSG_HANDLED;
1511
1512     case MSG_KEY:
1513         if (w->ext_mode)
1514         {
1515             command = widget_lookup_key (w, parm);
1516             if (command != CK_IgnoreKey)
1517                 return midnight_execute_cmd (NULL, command);
1518         }
1519
1520         /* FIXME: should handle all menu shortcuts before this point */
1521         if (widget_get_state (WIDGET (the_menubar), WST_FOCUSED))
1522             return MSG_NOT_HANDLED;
1523
1524         if (parm == '\n' && !is_cmdline_mute ())
1525         {
1526             if (handle_cmdline_enter ())
1527                 return MSG_HANDLED;
1528             /* Else: the panel will handle it. */
1529         }
1530
1531         if ((!mc_global.tty.alternate_plus_minus
1532              || !(mc_global.tty.console_flag != '\0' || mc_global.tty.xterm_flag)) && !quote
1533             && !current_panel->quick_search.active)
1534         {
1535             if (!only_leading_plus_minus)
1536             {
1537                 /* Special treatment, since the input line will eat them */
1538                 if (parm == '+')
1539                     return send_message (current_panel, filemanager, MSG_ACTION, CK_Select, NULL);
1540
1541                 if (parm == '\\' || parm == '-')
1542                     return send_message (current_panel, filemanager, MSG_ACTION, CK_Unselect, NULL);
1543
1544                 if (parm == '*')
1545                     return send_message (current_panel, filemanager, MSG_ACTION, CK_SelectInvert,
1546                                          NULL);
1547             }
1548             else if (!command_prompt || input_is_empty (cmdline))
1549             {
1550                 /* Special treatment '+', '-', '\', '*' only when this is
1551                  * first char on input line
1552                  */
1553                 if (parm == '+')
1554                     return send_message (current_panel, filemanager, MSG_ACTION, CK_Select, NULL);
1555
1556                 if (parm == '\\' || parm == '-')
1557                     return send_message (current_panel, filemanager, MSG_ACTION, CK_Unselect, NULL);
1558
1559                 if (parm == '*')
1560                     return send_message (current_panel, filemanager, MSG_ACTION, CK_SelectInvert,
1561                                          NULL);
1562             }
1563         }
1564         return MSG_NOT_HANDLED;
1565
1566     case MSG_HOTKEY_HANDLED:
1567         if ((get_current_type () == view_listing) && current_panel->quick_search.active)
1568         {
1569             current_panel->dirty = TRUE;        /* FIXME: unneeded? */
1570             send_message (current_panel, NULL, MSG_ACTION, CK_SearchStop, NULL);
1571         }
1572         return MSG_HANDLED;
1573
1574     case MSG_UNHANDLED_KEY:
1575         {
1576             cb_ret_t v = MSG_NOT_HANDLED;
1577
1578             command = widget_lookup_key (w, parm);
1579             if (command != CK_IgnoreKey)
1580                 v = midnight_execute_cmd (NULL, command);
1581
1582             if (v == MSG_NOT_HANDLED && command_prompt && !is_cmdline_mute ())
1583                 v = send_message (cmdline, NULL, MSG_KEY, parm, NULL);
1584
1585             return v;
1586         }
1587
1588     case MSG_POST_KEY:
1589         if (!widget_get_state (WIDGET (the_menubar), WST_FOCUSED))
1590             update_dirty_panels ();
1591         return MSG_HANDLED;
1592
1593     case MSG_ACTION:
1594         /* Handle shortcuts, menu, and buttonbar. */
1595         return midnight_execute_cmd (sender, parm);
1596
1597     case MSG_DESTROY:
1598         panel_deinit ();
1599         return MSG_HANDLED;
1600
1601     default:
1602         return dlg_default_callback (w, sender, msg, parm, data);
1603     }
1604 }
1605
1606 /* --------------------------------------------------------------------------------------------- */
1607 /*** public functions ****************************************************************************/
1608 /* --------------------------------------------------------------------------------------------- */
1609
1610 void
1611 update_menu (void)
1612 {
1613     menu_set_name (left_menu, panels_layout.horizontal_split ? _("&Above") : _("&Left"));
1614     menu_set_name (right_menu, panels_layout.horizontal_split ? _("&Below") : _("&Right"));
1615     menubar_arrange (the_menubar);
1616     widget_set_visibility (WIDGET (the_menubar), menubar_visible);
1617 }
1618
1619 /* --------------------------------------------------------------------------------------------- */
1620
1621 void
1622 midnight_set_buttonbar (WButtonBar * b)
1623 {
1624     Widget *w = WIDGET (filemanager);
1625
1626     buttonbar_set_label (b, 1, Q_ ("ButtonBar|Help"), w->keymap, NULL);
1627     buttonbar_set_label (b, 2, Q_ ("ButtonBar|Menu"), w->keymap, NULL);
1628     buttonbar_set_label (b, 3, Q_ ("ButtonBar|View"), w->keymap, NULL);
1629     buttonbar_set_label (b, 4, Q_ ("ButtonBar|Edit"), w->keymap, NULL);
1630     buttonbar_set_label (b, 5, Q_ ("ButtonBar|Copy"), w->keymap, NULL);
1631     buttonbar_set_label (b, 6, Q_ ("ButtonBar|RenMov"), w->keymap, NULL);
1632     buttonbar_set_label (b, 7, Q_ ("ButtonBar|Mkdir"), w->keymap, NULL);
1633     buttonbar_set_label (b, 8, Q_ ("ButtonBar|Delete"), w->keymap, NULL);
1634     buttonbar_set_label (b, 9, Q_ ("ButtonBar|PullDn"), w->keymap, NULL);
1635     buttonbar_set_label (b, 10, Q_ ("ButtonBar|Quit"), w->keymap, NULL);
1636 }
1637
1638 /* --------------------------------------------------------------------------------------------- */
1639 /**
1640  * Return a random hint.  If force is TRUE, ignore the timeout.
1641  */
1642
1643 char *
1644 get_random_hint (gboolean force)
1645 {
1646     static const gint64 update_period = 60 * G_USEC_PER_SEC;
1647     static gint64 tv = 0;
1648
1649     char *data, *result, *eop;
1650     size_t len, start;
1651     GIConv conv;
1652
1653     /* Do not change hints more often than one minute */
1654     if (!force && !mc_time_elapsed (&tv, update_period))
1655         return g_strdup ("");
1656
1657     data = load_mc_home_file (mc_global.share_data_dir, MC_HINT, NULL, &len);
1658     if (data == NULL)
1659         return NULL;
1660
1661     /* get a random entry */
1662     srand ((unsigned int) (tv / G_USEC_PER_SEC));
1663     start = ((size_t) rand ()) % (len - 1);
1664
1665     /* Search the start of paragraph */
1666     for (; start != 0; start--)
1667         if (data[start] == '\n' && data[start + 1] == '\n')
1668         {
1669             start += 2;
1670             break;
1671         }
1672
1673     /* Search the end of paragraph */
1674     for (eop = data + start; *eop != '\0'; eop++)
1675     {
1676         if (*eop == '\n' && *(eop + 1) == '\n')
1677         {
1678             *eop = '\0';
1679             break;
1680         }
1681         if (*eop == '\n')
1682             *eop = ' ';
1683     }
1684
1685     /* hint files are stored in utf-8 */
1686     /* try convert hint file from utf-8 to terminal encoding */
1687     conv = str_crt_conv_from ("UTF-8");
1688     if (conv == INVALID_CONV)
1689         result = g_strndup (data + start, len - start);
1690     else
1691     {
1692         GString *buffer;
1693         gboolean nok;
1694
1695         buffer = g_string_sized_new (len - start);
1696         nok = (str_convert (conv, data + start, buffer) == ESTR_FAILURE);
1697         result = g_string_free (buffer, nok);
1698         str_close_conv (conv);
1699     }
1700
1701     g_free (data);
1702     return result;
1703 }
1704
1705
1706 /* --------------------------------------------------------------------------------------------- */
1707 /**
1708  * Load new hint and display it.
1709  * IF force is not 0, ignore the timeout.
1710  */
1711
1712 void
1713 load_hint (gboolean force)
1714 {
1715     char *hint;
1716
1717     if (WIDGET (the_hint)->owner == NULL)
1718         return;
1719
1720     if (!mc_global.message_visible)
1721     {
1722         label_set_text (the_hint, NULL);
1723         return;
1724     }
1725
1726     hint = get_random_hint (force);
1727
1728     if (hint != NULL)
1729     {
1730         if (*hint != '\0')
1731             set_hintbar (hint);
1732         g_free (hint);
1733     }
1734     else
1735     {
1736         char text[BUF_SMALL];
1737
1738         g_snprintf (text, sizeof (text), _("GNU Midnight Commander %s\n"), mc_global.mc_version);
1739         set_hintbar (text);
1740     }
1741 }
1742
1743 /* --------------------------------------------------------------------------------------------- */
1744 /**
1745   * Change current panel in the file manager.
1746   *
1747   * @return current_panel
1748   */
1749
1750 WPanel *
1751 change_panel (void)
1752 {
1753     input_complete_free (cmdline);
1754     group_select_next_widget (GROUP (filemanager));
1755     return current_panel;
1756 }
1757
1758 /* --------------------------------------------------------------------------------------------- */
1759
1760 /** Save current stat of directories to avoid reloading the panels
1761  * when no modifications have taken place
1762  */
1763 void
1764 save_cwds_stat (void)
1765 {
1766     if (panels_options.fast_reload)
1767     {
1768         mc_stat (current_panel->cwd_vpath, &(current_panel->dir_stat));
1769         if (get_other_type () == view_listing)
1770             mc_stat (other_panel->cwd_vpath, &(other_panel->dir_stat));
1771     }
1772 }
1773
1774 /* --------------------------------------------------------------------------------------------- */
1775
1776 gboolean
1777 quiet_quit_cmd (void)
1778 {
1779     print_last_revert = TRUE;
1780     return quit_cmd_internal (1);
1781 }
1782
1783 /* --------------------------------------------------------------------------------------------- */
1784
1785 /** Run the main dialog that occupies the whole screen */
1786 gboolean
1787 do_nc (void)
1788 {
1789     gboolean ret;
1790
1791 #ifdef USE_INTERNAL_EDIT
1792     edit_stack_init ();
1793 #endif
1794
1795     filemanager = dlg_create (FALSE, 0, 0, 1, 1, WPOS_FULLSCREEN, FALSE, dialog_colors,
1796                               midnight_callback, NULL, "[main]", NULL);
1797
1798     /* Check if we were invoked as an editor or file viewer */
1799     if (mc_global.mc_run_mode != MC_RUN_FULL)
1800     {
1801         setup_dummy_mc ();
1802         ret = mc_maybe_editor_or_viewer ();
1803     }
1804     else
1805     {
1806         /* We only need the first idle event to show user menu after start */
1807         widget_idle (WIDGET (filemanager), TRUE);
1808
1809         setup_mc ();
1810         mc_filehighlight = mc_fhl_new (TRUE);
1811
1812         create_file_manager ();
1813         (void) dlg_run (filemanager);
1814
1815         mc_fhl_free (&mc_filehighlight);
1816
1817         ret = TRUE;
1818
1819         /* widget_destroy destroys even current_panel->cwd_vpath, so we have to save a copy :) */
1820         if (mc_args__last_wd_file != NULL && vfs_current_is_local ())
1821             last_wd_string = g_strdup (vfs_path_as_str (current_panel->cwd_vpath));
1822
1823         /* don't handle VFS timestamps for dirs opened in panels */
1824         mc_event_destroy (MCEVENT_GROUP_CORE, "vfs_timestamp");
1825     }
1826
1827     /* Program end */
1828     mc_global.midnight_shutdown = TRUE;
1829     dialog_switch_shutdown ();
1830     done_mc ();
1831     widget_destroy (WIDGET (filemanager));
1832     current_panel = NULL;
1833
1834 #ifdef USE_INTERNAL_EDIT
1835     edit_stack_free ();
1836 #endif
1837
1838     if ((quit & SUBSHELL_EXIT) == 0)
1839         tty_clear_screen ();
1840
1841     return ret;
1842 }
1843
1844 /* --------------------------------------------------------------------------------------------- */