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 "src/usermenu.h"       /* user_file_menu_cmd() */
  65 #include "lib/fileloc.h"        /* MC_FILEPOS_FILE */
  66 #include "lib/keybind.h"
  67 #include "lib/event.h"
  68
  69 #include "tree.h"
  70 #include "boxes.h"              /* sort_box(), tree_box() */
  71 #include "layout.h"
  72 #include "cmd.h"                /* commands */
  73 #include "hotlist.h"
  74 #include "panelize.h"
  75 #include "command.h"            /* cmdline */
  76 #include "dir.h"                /* dir_list_clean() */
  77
  78 #ifdef USE_INTERNAL_EDIT
  79 #include "src/editor/edit.h"
  80 #endif
  81
  82 #ifdef USE_DIFF_VIEW
  83 #include "src/diffviewer/ydiff.h"
  84 #endif
  85
  86 #include "src/consaver/cons.saver.h"    /* show_console_contents */
  87 #include "src/file_history.h"   /* show_file_history() */
  88
  89 #include "filemanager.h"
  90
  91 /*** global variables ****************************************************************************/
  92
  93 /* When the modes are active, left_panel, right_panel and tree_panel */
  94 /* point to a proper data structure.  You should check with the functions */
  95 /* get_current_type and get_other_type the types of the panels before using */
  96 /* this pointer variables */
  97
  98 /* The structures for the panels */
  99 WPanel *left_panel = NULL;
 100 WPanel *right_panel = NULL;
 101 /* Pointer to the selected and unselected panel */
 102 WPanel *current_panel = NULL;
 103
 104 /* The Menubar */
 105 WMenuBar *the_menubar = NULL;
 106 /* The widget where we draw the prompt */
 107 WLabel *the_prompt;
 108 /* The hint bar */
 109 WLabel *the_hint;
 110 /* The button bar */
 111 WButtonBar *the_bar;
 112
 113 /* The prompt */
 114 const char *mc_prompt = NULL;
 115
 116 /*** file scope macro definitions ****************************************************************/
 117
 118 #ifdef HAVE_CHARSET
 119 /*
 120  * Don't restrict the output on the screen manager level,
 121  * the translation tables take care of it.
 122  */
 123 #endif /* !HAVE_CHARSET */
 124
 125 /*** file scope type declarations ****************************************************************/
 126
 127 /*** forward declarations (file scope functions) *************************************************/
 128
 129 /*** file scope variables ************************************************************************/
 130
 131 static menu_t *left_menu, *right_menu;
 132
 133 /* --------------------------------------------------------------------------------------------- */
 134 /*** file scope functions ************************************************************************/
 135 /* --------------------------------------------------------------------------------------------- */
 136
 137 /** Stop MC main dialog and the current dialog if it exists.
 138   * Needed to provide fast exit from MC viewer or editor on shell exit */
 139 static void
 140 stop_dialogs (void)
 141 {
 142     dlg_close (filemanager);
 143
 144     if (top_dlg != NULL)
 145         dlg_close (DIALOG (top_dlg->data));
 146 }
 147
 148 /* --------------------------------------------------------------------------------------------- */
 149
 150 static void
 151 treebox_cmd (void)
 152 {
 153     const file_entry_t *fe;
 154     char *sel_dir;
 155
 156     fe = panel_current_entry (current_panel);
 157     if (fe == NULL)
 158         return;
 159
 160     sel_dir = tree_box (fe->fname->str);
 161     if (sel_dir != NULL)
 162     {
 163         vfs_path_t *sel_vdir;
 164
 165         sel_vdir = vfs_path_from_str (sel_dir);
 166         panel_cd (current_panel, sel_vdir, cd_exact);
 167         vfs_path_free (sel_vdir, TRUE);
 168         g_free (sel_dir);
 169     }
 170 }
 171
 172 /* --------------------------------------------------------------------------------------------- */
 173
 174 #ifdef LISTMODE_EDITOR
 175 static void
 176 listmode_cmd (void)
 177 {
 178     char *newmode;
 179
 180     if (get_current_type () != view_listing)
 181         return;
 182
 183     newmode = listmode_edit (current_panel->user_format);
 184     if (!newmode)
 185         return;
 186
 187     g_free (current_panel->user_format);
 188     current_panel->list_format = list_user;
 189     current_panel->user_format = newmode;
 190     set_panel_formats (current_panel);
 191
 192     do_refresh ();
 193 }
 194 #endif /* LISTMODE_EDITOR */
 195
 196 /* --------------------------------------------------------------------------------------------- */
 197
 198 static GList *
 199 create_panel_menu (void)
 200 {
 201     GList *entries = NULL;
 202
 203     entries = g_list_prepend (entries, menu_entry_new (_("File listin&g"), CK_PanelListing));
 204     entries = g_list_prepend (entries, menu_entry_new (_("&Quick view"), CK_PanelQuickView));
 205     entries = g_list_prepend (entries, menu_entry_new (_("&Info"), CK_PanelInfo));
 206     entries = g_list_prepend (entries, menu_entry_new (_("&Tree"), CK_PanelTree));
 207     entries = g_list_prepend (entries, menu_separator_new ());
 208     entries =
 209         g_list_prepend (entries, menu_entry_new (_("&Listing format..."), CK_SetupListingFormat));
 210     entries = g_list_prepend (entries, menu_entry_new (_("&Sort order..."), CK_Sort));
 211     entries = g_list_prepend (entries, menu_entry_new (_("&Filter..."), CK_Filter));
 212 #ifdef HAVE_CHARSET
 213     entries = g_list_prepend (entries, menu_entry_new (_("&Encoding..."), CK_SelectCodepage));
 214 #endif
 215     entries = g_list_prepend (entries, menu_separator_new ());
 216 #ifdef ENABLE_VFS_FTP
 217     entries = g_list_prepend (entries, menu_entry_new (_("FT&P link..."), CK_ConnectFtp));
 218 #endif
 219 #ifdef ENABLE_VFS_SHELL
 220     entries = g_list_prepend (entries, menu_entry_new (_("S&hell link..."), CK_ConnectShell));
 221 #endif
 222 #ifdef ENABLE_VFS_SFTP
 223     entries = g_list_prepend (entries, menu_entry_new (_("SFTP li&nk..."), CK_ConnectSftp));
 224 #endif
 225     entries = g_list_prepend (entries, menu_entry_new (_("Paneli&ze"), CK_Panelize));
 226     entries = g_list_prepend (entries, menu_separator_new ());
 227     entries = g_list_prepend (entries, menu_entry_new (_("&Rescan"), CK_Reread));
 228
 229     return g_list_reverse (entries);
 230 }
 231
 232 /* --------------------------------------------------------------------------------------------- */
 233
 234 static GList *
 235 create_file_menu (void)
 236 {
 237     GList *entries = NULL;
 238
 239     entries = g_list_prepend (entries, menu_entry_new (_("&View"), CK_View));
 240     entries = g_list_prepend (entries, menu_entry_new (_("Vie&w file..."), CK_ViewFile));
 241     entries = g_list_prepend (entries, menu_entry_new (_("&Filtered view"), CK_ViewFiltered));
 242     entries = g_list_prepend (entries, menu_entry_new (_("&Edit"), CK_Edit));
 243     entries = g_list_prepend (entries, menu_entry_new (_("&Copy"), CK_Copy));
 244     entries = g_list_prepend (entries, menu_entry_new (_("C&hmod"), CK_ChangeMode));
 245     entries = g_list_prepend (entries, menu_entry_new (_("&Link"), CK_Link));
 246     entries = g_list_prepend (entries, menu_entry_new (_("&Symlink"), CK_LinkSymbolic));
 247     entries =
 248         g_list_prepend (entries, menu_entry_new (_("Relative symlin&k"), CK_LinkSymbolicRelative));
 249     entries = g_list_prepend (entries, menu_entry_new (_("Edit s&ymlink"), CK_LinkSymbolicEdit));
 250     entries = g_list_prepend (entries, menu_entry_new (_("Ch&own"), CK_ChangeOwn));
 251     entries = g_list_prepend (entries, menu_entry_new (_("&Advanced chown"), CK_ChangeOwnAdvanced));
 252 #ifdef ENABLE_EXT2FS_ATTR
 253     entries = g_list_prepend (entries, menu_entry_new (_("Cha&ttr"), CK_ChangeAttributes));
 254 #endif
 255     entries = g_list_prepend (entries, menu_entry_new (_("&Rename/Move"), CK_Move));
 256     entries = g_list_prepend (entries, menu_entry_new (_("&Mkdir"), CK_MakeDir));
 257     entries = g_list_prepend (entries, menu_entry_new (_("&Delete"), CK_Delete));
 258     entries = g_list_prepend (entries, menu_entry_new (_("&Quick cd"), CK_CdQuick));
 259     entries = g_list_prepend (entries, menu_separator_new ());
 260     entries = g_list_prepend (entries, menu_entry_new (_("Select &group"), CK_Select));
 261     entries = g_list_prepend (entries, menu_entry_new (_("U&nselect group"), CK_Unselect));
 262     entries = g_list_prepend (entries, menu_entry_new (_("&Invert selection"), CK_SelectInvert));
 263     entries = g_list_prepend (entries, menu_separator_new ());
 264     entries = g_list_prepend (entries, menu_entry_new (_("E&xit"), CK_Quit));
 265
 266     return g_list_reverse (entries);
 267 }
 268
 269 /* --------------------------------------------------------------------------------------------- */
 270
 271 static GList *
 272 create_command_menu (void)
 273 {
 274     /* I know, I'm lazy, but the tree widget when it's not running
 275      * as a panel still has some problems, I have not yet finished
 276      * the WTree widget port, sorry.
 277      */
 278     GList *entries = NULL;
 279
 280     entries = g_list_prepend (entries, menu_entry_new (_("&User menu"), CK_UserMenu));
 281     entries = g_list_prepend (entries, menu_entry_new (_("&Directory tree"), CK_Tree));
 282     entries = g_list_prepend (entries, menu_entry_new (_("&Find file"), CK_Find));
 283     entries = g_list_prepend (entries, menu_entry_new (_("S&wap panels"), CK_Swap));
 284     entries = g_list_prepend (entries, menu_entry_new (_("Switch &panels on/off"), CK_Shell));
 285     entries = g_list_prepend (entries, menu_entry_new (_("&Compare directories"), CK_CompareDirs));
 286 #ifdef USE_DIFF_VIEW
 287     entries = g_list_prepend (entries, menu_entry_new (_("C&ompare files"), CK_CompareFiles));
 288 #endif
 289     entries =
 290         g_list_prepend (entries, menu_entry_new (_("E&xternal panelize"), CK_ExternalPanelize));
 291     entries = g_list_prepend (entries, menu_entry_new (_("Show directory s&izes"), CK_DirSize));
 292     entries = g_list_prepend (entries, menu_separator_new ());
 293     entries = g_list_prepend (entries, menu_entry_new (_("Command &history"), CK_History));
 294     entries =
 295         g_list_prepend (entries,
 296                         menu_entry_new (_("Viewed/edited files hi&story"), CK_EditorViewerHistory));
 297     entries = g_list_prepend (entries, menu_entry_new (_("Di&rectory hotlist"), CK_HotList));
 298 #ifdef ENABLE_VFS
 299     entries = g_list_prepend (entries, menu_entry_new (_("&Active VFS list"), CK_VfsList));
 300 #endif
 301 #ifdef ENABLE_BACKGROUND
 302     entries = g_list_prepend (entries, menu_entry_new (_("&Background jobs"), CK_Jobs));
 303 #endif
 304     entries = g_list_prepend (entries, menu_entry_new (_("Screen lis&t"), CK_ScreenList));
 305     entries = g_list_prepend (entries, menu_separator_new ());
 306 #ifdef ENABLE_VFS_UNDELFS
 307     entries =
 308         g_list_prepend (entries, menu_entry_new (_("&Undelete files (ext2fs only)"), CK_Undelete));
 309 #endif
 310 #ifdef LISTMODE_EDITOR
 311     entries = g_list_prepend (entries, menu_entry_new (_("&Listing format edit"), CK_ListMode));
 312 #endif
 313 #if defined (ENABLE_VFS_UNDELFS) || defined (LISTMODE_EDITOR)
 314     entries = g_list_prepend (entries, menu_separator_new ());
 315 #endif
 316     entries =
 317         g_list_prepend (entries, menu_entry_new (_("Edit &extension file"), CK_EditExtensionsFile));
 318     entries = g_list_prepend (entries, menu_entry_new (_("Edit &menu file"), CK_EditUserMenu));
 319     entries =
 320         g_list_prepend (entries,
 321                         menu_entry_new (_("Edit hi&ghlighting group file"),
 322                                         CK_EditFileHighlightFile));
 323
 324     return g_list_reverse (entries);
 325 }
 326
 327 /* --------------------------------------------------------------------------------------------- */
 328
 329 static GList *
 330 create_options_menu (void)
 331 {
 332     GList *entries = NULL;
 333
 334     entries = g_list_prepend (entries, menu_entry_new (_("&Configuration..."), CK_Options));
 335     entries = g_list_prepend (entries, menu_entry_new (_("&Layout..."), CK_OptionsLayout));
 336     entries = g_list_prepend (entries, menu_entry_new (_("&Panel options..."), CK_OptionsPanel));
 337     entries = g_list_prepend (entries, menu_entry_new (_("C&onfirmation..."), CK_OptionsConfirm));
 338     entries = g_list_prepend (entries, menu_entry_new (_("&Appearance..."), CK_OptionsAppearance));
 339     entries =
 340         g_list_prepend (entries, menu_entry_new (_("&Display bits..."), CK_OptionsDisplayBits));
 341     entries = g_list_prepend (entries, menu_entry_new (_("Learn &keys..."), CK_LearnKeys));
 342 #ifdef ENABLE_VFS
 343     entries = g_list_prepend (entries, menu_entry_new (_("&Virtual FS..."), CK_OptionsVfs));
 344 #endif
 345     entries = g_list_prepend (entries, menu_separator_new ());
 346     entries = g_list_prepend (entries, menu_entry_new (_("&Save setup"), CK_SaveSetup));
 347
 348     return g_list_reverse (entries);
 349 }
 350
 351 /* --------------------------------------------------------------------------------------------- */
 352
 353 static void
 354 init_menu (void)
 355 {
 356     left_menu = menu_new ("", create_panel_menu (), "[Left and Right Menus]");
 357     menubar_add_menu (the_menubar, left_menu);
 358     menubar_add_menu (the_menubar, menu_new (_("&File"), create_file_menu (), "[File Menu]"));
 359     menubar_add_menu (the_menubar,
 360                       menu_new (_("&Command"), create_command_menu (), "[Command Menu]"));
 361     menubar_add_menu (the_menubar,
 362                       menu_new (_("&Options"), create_options_menu (), "[Options Menu]"));
 363     right_menu = menu_new ("", create_panel_menu (), "[Left and Right Menus]");
 364     menubar_add_menu (the_menubar, right_menu);
 365     update_menu ();
 366 }
 367
 368 /* --------------------------------------------------------------------------------------------- */
 369
 370 static void
 371 menu_last_selected_cmd (void)
 372 {
 373     menubar_activate (the_menubar, drop_menus, -1);
 374 }
 375
 376 /* --------------------------------------------------------------------------------------------- */
 377
 378 static void
 379 menu_cmd (void)
 380 {
 381     int selected;
 382
 383     if ((get_current_index () == 0) == current_panel->active)
 384         selected = 0;
 385     else
 386         selected = g_list_length (the_menubar->menu) - 1;
 387
 388     menubar_activate (the_menubar, drop_menus, selected);
 389 }
 390
 391 /* --------------------------------------------------------------------------------------------- */
 392
 393 static void
 394 sort_cmd (void)
 395 {
 396     WPanel *p;
 397     const panel_field_t *sort_order;
 398
 399     if (!SELECTED_IS_PANEL)
 400         return;
 401
 402     p = MENU_PANEL;
 403     sort_order = sort_box (&p->sort_info, p->sort_field);
 404     panel_set_sort_order (p, sort_order);
 405 }
 406
 407 /* --------------------------------------------------------------------------------------------- */
 408
 409 static char *
 410 midnight_get_shortcut (long command)
 411 {
 412     const char *ext_map;
 413     const char *shortcut = NULL;
 414
 415     shortcut = keybind_lookup_keymap_shortcut (filemanager_map, command);
 416     if (shortcut != NULL)
 417         return g_strdup (shortcut);
 418
 419     shortcut = keybind_lookup_keymap_shortcut (panel_map, command);
 420     if (shortcut != NULL)
 421         return g_strdup (shortcut);
 422
 423     ext_map = keybind_lookup_keymap_shortcut (filemanager_map, CK_ExtendedKeyMap);
 424     if (ext_map != NULL)
 425         shortcut = keybind_lookup_keymap_shortcut (filemanager_x_map, command);
 426     if (shortcut != NULL)
 427         return g_strdup_printf ("%s %s", ext_map, shortcut);
 428
 429     return NULL;
 430 }
 431
 432 /* --------------------------------------------------------------------------------------------- */
 433
 434 static char *
 435 midnight_get_title (const WDialog *h, size_t len)
 436 {
 437     char *path;
 438     char *login;
 439     char *p;
 440
 441     (void) h;
 442
 443     title_path_prepare (&path, &login);
 444
 445     p = g_strdup_printf ("%s [%s]:%s", _("Panels:"), login, path);
 446     g_free (path);
 447     g_free (login);
 448     path = g_strdup (str_trunc (p, len - 4));
 449     g_free (p);
 450
 451     return path;
 452 }
 453
 454 /* --------------------------------------------------------------------------------------------- */
 455
 456 static void
 457 toggle_panels_split (void)
 458 {
 459     panels_layout.horizontal_split = !panels_layout.horizontal_split;
 460     layout_change ();
 461     do_refresh ();
 462 }
 463
 464 /* --------------------------------------------------------------------------------------------- */
 465
 466 #ifdef ENABLE_VFS
 467 /* event helper */
 468 static gboolean
 469 check_panel_timestamp (const WPanel *panel, panel_view_mode_t mode, const struct vfs_class *vclass,
 470                        const vfsid id)
 471 {
 472     return (mode != view_listing || (vfs_path_get_last_path_vfs (panel->cwd_vpath) == vclass
 473                                      && vfs_getid (panel->cwd_vpath) == id));
 474 }
 475
 476 /* --------------------------------------------------------------------------------------------- */
 477
 478 /* event callback */
 479 static gboolean
 480 check_current_panel_timestamp (const gchar *event_group_name, const gchar *event_name,
 481                                gpointer init_data, gpointer data)
 482 {
 483     ev_vfs_stamp_create_t *event_data = (ev_vfs_stamp_create_t *) data;
 484
 485     (void) event_group_name;
 486     (void) event_name;
 487     (void) init_data;
 488
 489     event_data->ret =
 490         check_panel_timestamp (current_panel, get_current_type (), event_data->vclass,
 491                                event_data->id);
 492     return !event_data->ret;
 493 }
 494
 495 /* --------------------------------------------------------------------------------------------- */
 496
 497 /* event callback */
 498 static gboolean
 499 check_other_panel_timestamp (const gchar *event_group_name, const gchar *event_name,
 500                              gpointer init_data, gpointer data)
 501 {
 502     ev_vfs_stamp_create_t *event_data = (ev_vfs_stamp_create_t *) data;
 503
 504     (void) event_group_name;
 505     (void) event_name;
 506     (void) init_data;
 507
 508     event_data->ret =
 509         check_panel_timestamp (other_panel, get_other_type (), event_data->vclass, event_data->id);
 510     return !event_data->ret;
 511 }
 512 #endif /* ENABLE_VFS */
 513
 514 /* --------------------------------------------------------------------------------------------- */
 515
 516 /* event callback */
 517 static gboolean
 518 print_vfs_message (const gchar *event_group_name, const gchar *event_name,
 519                    gpointer init_data, gpointer data)
 520 {
 521     ev_vfs_print_message_t *event_data = (ev_vfs_print_message_t *) data;
 522
 523     (void) event_group_name;
 524     (void) event_name;
 525     (void) init_data;
 526
 527     if (mc_global.midnight_shutdown)
 528         goto ret;
 529
 530     if (!mc_global.message_visible || the_hint == NULL || WIDGET (the_hint)->owner == NULL)
 531     {
 532         int col, row;
 533
 534         if (!nice_rotating_dash || (ok_to_refresh <= 0))
 535             goto ret;
 536
 537         /* Preserve current cursor position */
 538         tty_getyx (&row, &col);
 539
 540         tty_gotoyx (0, 0);
 541         tty_setcolor (NORMAL_COLOR);
 542         tty_print_string (str_fit_to_term (event_data->msg, COLS - 1, J_LEFT));
 543
 544         /* Restore cursor position */
 545         tty_gotoyx (row, col);
 546         mc_refresh ();
 547         goto ret;
 548     }
 549
 550     if (mc_global.message_visible)
 551         set_hintbar (event_data->msg);
 552
 553   ret:
 554     MC_PTR_FREE (event_data->msg);
 555     return TRUE;
 556 }
 557
 558 /* --------------------------------------------------------------------------------------------- */
 559
 560 static void
 561 create_panels (void)
 562 {
 563     int current_index, other_index;
 564     panel_view_mode_t current_mode, other_mode;
 565     char *current_dir, *other_dir;
 566     vfs_path_t *original_dir;
 567
 568     /*
 569      * Following cases from command line are possible:
 570      * 'mc' (no arguments):            mc_run_param0 == NULL, mc_run_param1 == NULL
 571      *                                 active panel uses current directory
 572      *                                 passive panel uses "other_dir" from panels.ini
 573      *
 574      * 'mc dir1 dir2' (two arguments): mc_run_param0 != NULL, mc_run_param1 != NULL
 575      *                                 active panel uses mc_run_param0
 576      *                                 passive panel uses mc_run_param1
 577      *
 578      * 'mc dir1' (single argument):    mc_run_param0 != NULL, mc_run_param1 == NULL
 579      *                                 active panel uses mc_run_param0
 580      *                                 passive panel uses "other_dir" from panels.ini
 581      */
 582
 583     /* Set up panel directories */
 584     if (boot_current_is_left)
 585     {
 586         /* left panel is active */
 587         current_index = 0;
 588         other_index = 1;
 589         current_mode = startup_left_mode;
 590         other_mode = startup_right_mode;
 591
 592         if (mc_run_param0 == NULL && mc_run_param1 == NULL)
 593         {
 594             /* no arguments */
 595             current_dir = NULL; /* assume current dir */
 596             other_dir = saved_other_dir;        /* from ini */
 597         }
 598         else if (mc_run_param0 != NULL && mc_run_param1 != NULL)
 599         {
 600             /* two arguments */
 601             current_dir = (char *) mc_run_param0;
 602             other_dir = mc_run_param1;
 603         }
 604         else                    /* mc_run_param0 != NULL && mc_run_param1 == NULL */
 605         {
 606             /* one argument */
 607             current_dir = (char *) mc_run_param0;
 608             other_dir = saved_other_dir;        /* from ini */
 609         }
 610     }
 611     else
 612     {
 613         /* right panel is active */
 614         current_index = 1;
 615         other_index = 0;
 616         current_mode = startup_right_mode;
 617         other_mode = startup_left_mode;
 618
 619         if (mc_run_param0 == NULL && mc_run_param1 == NULL)
 620         {
 621             /* no arguments */
 622             current_dir = NULL; /* assume current dir */
 623             other_dir = saved_other_dir;        /* from ini */
 624         }
 625         else if (mc_run_param0 != NULL && mc_run_param1 != NULL)
 626         {
 627             /* two arguments */
 628             current_dir = (char *) mc_run_param0;
 629             other_dir = mc_run_param1;
 630         }
 631         else                    /* mc_run_param0 != NULL && mc_run_param1 == NULL */
 632         {
 633             /* one argument */
 634             current_dir = (char *) mc_run_param0;
 635             other_dir = saved_other_dir;        /* from ini */
 636         }
 637     }
 638
 639     /* 1. Get current dir */
 640     original_dir = vfs_path_clone (vfs_get_raw_current_dir ());
 641
 642     /* 2. Create passive panel */
 643     if (other_dir != NULL)
 644     {
 645         vfs_path_t *vpath;
 646
 647         if (g_path_is_absolute (other_dir))
 648             vpath = vfs_path_from_str (other_dir);
 649         else
 650             vpath = vfs_path_append_new (original_dir, other_dir, (char *) NULL);
 651         mc_chdir (vpath);
 652         vfs_path_free (vpath, TRUE);
 653     }
 654     create_panel (other_index, other_mode);
 655
 656     /* 3. Create active panel */
 657     if (current_dir == NULL)
 658         mc_chdir (original_dir);
 659     else
 660     {
 661         vfs_path_t *vpath;
 662
 663         if (g_path_is_absolute (current_dir))
 664             vpath = vfs_path_from_str (current_dir);
 665         else
 666             vpath = vfs_path_append_new (original_dir, current_dir, (char *) NULL);
 667         mc_chdir (vpath);
 668         vfs_path_free (vpath, TRUE);
 669     }
 670     create_panel (current_index, current_mode);
 671
 672     if (startup_left_mode == view_listing)
 673         current_panel = left_panel;
 674     else if (right_panel != NULL)
 675         current_panel = right_panel;
 676     else
 677         current_panel = left_panel;
 678
 679     vfs_path_free (original_dir, TRUE);
 680
 681 #ifdef ENABLE_VFS
 682     mc_event_add (MCEVENT_GROUP_CORE, "vfs_timestamp", check_other_panel_timestamp, NULL, NULL);
 683     mc_event_add (MCEVENT_GROUP_CORE, "vfs_timestamp", check_current_panel_timestamp, NULL, NULL);
 684 #endif /* ENABLE_VFS */
 685
 686     mc_event_add (MCEVENT_GROUP_CORE, "vfs_print_message", print_vfs_message, NULL, NULL);
 687 }
 688
 689 /* --------------------------------------------------------------------------------------------- */
 690
 691 static void
 692 midnight_put_panel_path (WPanel *panel)
 693 {
 694     vfs_path_t *cwd_vpath;
 695     const char *cwd_vpath_str;
 696
 697     if (!command_prompt)
 698         return;
 699
 700 #ifdef HAVE_CHARSET
 701     cwd_vpath = remove_encoding_from_path (panel->cwd_vpath);
 702 #else
 703     cwd_vpath = vfs_path_clone (panel->cwd_vpath);
 704 #endif
 705
 706     cwd_vpath_str = vfs_path_as_str (cwd_vpath);
 707
 708     command_insert (cmdline, cwd_vpath_str, FALSE);
 709
 710     if (!IS_PATH_SEP (cwd_vpath_str[strlen (cwd_vpath_str) - 1]))
 711         command_insert (cmdline, PATH_SEP_STR, FALSE);
 712
 713     vfs_path_free (cwd_vpath, TRUE);
 714 }
 715
 716 /* --------------------------------------------------------------------------------------------- */
 717
 718 static void
 719 put_link (WPanel *panel)
 720 {
 721     const file_entry_t *fe;
 722
 723     if (!command_prompt)
 724         return;
 725
 726     fe = panel_current_entry (panel);
 727
 728     if (fe != NULL && S_ISLNK (fe->st.st_mode))
 729     {
 730         char buffer[MC_MAXPATHLEN];
 731         vfs_path_t *vpath;
 732         int i;
 733
 734         vpath = vfs_path_append_new (panel->cwd_vpath, fe->fname->str, (char *) NULL);
 735         i = mc_readlink (vpath, buffer, sizeof (buffer) - 1);
 736         vfs_path_free (vpath, TRUE);
 737
 738         if (i > 0)
 739         {
 740             buffer[i] = '\0';
 741             command_insert (cmdline, buffer, TRUE);
 742         }
 743     }
 744 }
 745
 746 /* --------------------------------------------------------------------------------------------- */
 747
 748 static void
 749 put_current_link (void)
 750 {
 751     put_link (current_panel);
 752 }
 753
 754 /* --------------------------------------------------------------------------------------------- */
 755
 756 static void
 757 put_other_link (void)
 758 {
 759     if (get_other_type () == view_listing)
 760         put_link (other_panel);
 761 }
 762
 763 /* --------------------------------------------------------------------------------------------- */
 764
 765 /** Insert the selected file name into the input line */
 766 static void
 767 put_current_selected (void)
 768 {
 769     if (!command_prompt)
 770         return;
 771
 772     if (get_current_type () == view_tree)
 773     {
 774         WTree *tree;
 775         const vfs_path_t *selected_name;
 776
 777         tree = (WTree *) get_panel_widget (get_current_index ());
 778         selected_name = tree_selected_name (tree);
 779         command_insert (cmdline, vfs_path_as_str (selected_name), TRUE);
 780     }
 781     else
 782     {
 783         const file_entry_t *fe;
 784
 785         fe = panel_current_entry (current_panel);
 786         if (fe != NULL)
 787             command_insert (cmdline, fe->fname->str, TRUE);
 788     }
 789 }
 790
 791 /* --------------------------------------------------------------------------------------------- */
 792
 793 static void
 794 put_tagged (WPanel *panel)
 795 {
 796     if (!command_prompt)
 797         return;
 798
 799     input_disable_update (cmdline);
 800
 801     if (panel->marked == 0)
 802     {
 803         const file_entry_t *fe;
 804
 805         fe = panel_current_entry (current_panel);
 806         if (fe != NULL)
 807             command_insert (cmdline, fe->fname->str, TRUE);
 808     }
 809     else
 810     {
 811         int i;
 812
 813         for (i = 0; i < panel->dir.len; i++)
 814             if (panel->dir.list[i].f.marked != 0)
 815                 command_insert (cmdline, panel->dir.list[i].fname->str, TRUE);
 816     }
 817
 818     input_enable_update (cmdline);
 819 }
 820
 821 /* --------------------------------------------------------------------------------------------- */
 822
 823 static void
 824 put_current_tagged (void)
 825 {
 826     put_tagged (current_panel);
 827 }
 828
 829 /* --------------------------------------------------------------------------------------------- */
 830
 831 static void
 832 put_other_tagged (void)
 833 {
 834     if (get_other_type () == view_listing)
 835         put_tagged (other_panel);
 836 }
 837
 838 /* --------------------------------------------------------------------------------------------- */
 839
 840 static void
 841 setup_mc (void)
 842 {
 843 #ifdef HAVE_SLANG
 844 #ifdef HAVE_CHARSET
 845     tty_display_8bit (TRUE);
 846 #else
 847     tty_display_8bit (mc_global.full_eight_bits);
 848 #endif /* HAVE_CHARSET */
 849
 850 #else /* HAVE_SLANG */
 851
 852 #ifdef HAVE_CHARSET
 853     tty_display_8bit (TRUE);
 854 #else
 855     tty_display_8bit (mc_global.eight_bit_clean);
 856 #endif /* HAVE_CHARSET */
 857 #endif /* HAVE_SLANG */
 858
 859     if ((tty_baudrate () < 9600) || mc_global.tty.slow_terminal)
 860         verbose = FALSE;
 861 }
 862
 863 /* --------------------------------------------------------------------------------------------- */
 864
 865 static void
 866 setup_dummy_mc (void)
 867 {
 868     vfs_path_t *vpath;
 869     char *d;
 870     int ret;
 871
 872     d = vfs_get_cwd ();
 873     setup_mc ();
 874     vpath = vfs_path_from_str (d);
 875     ret = mc_chdir (vpath);
 876     (void) ret;
 877     vfs_path_free (vpath, TRUE);
 878     g_free (d);
 879 }
 880
 881 /* --------------------------------------------------------------------------------------------- */
 882
 883 static void
 884 done_mc (void)
 885 {
 886     /* Setup shutdown
 887      *
 888      * We sync the profiles since the hotlist may have changed, while
 889      * we only change the setup data if we have the auto save feature set
 890      */
 891
 892     save_setup (auto_save_setup, panels_options.auto_save_setup);
 893
 894     vfs_stamp_path (vfs_get_raw_current_dir ());
 895 }
 896
 897 /* --------------------------------------------------------------------------------------------- */
 898
 899 static void
 900 create_file_manager (void)
 901 {
 902     Widget *w = WIDGET (filemanager);
 903     WGroup *g = GROUP (filemanager);
 904
 905     w->keymap = filemanager_map;
 906     w->ext_keymap = filemanager_x_map;
 907
 908     filemanager->get_shortcut = midnight_get_shortcut;
 909     filemanager->get_title = midnight_get_title;
 910     /* allow rebind tab */
 911     widget_want_tab (w, TRUE);
 912
 913     the_menubar = menubar_new (NULL);
 914     group_add_widget (g, the_menubar);
 915     init_menu ();
 916
 917     create_panels ();
 918     group_add_widget (g, get_panel_widget (0));
 919     group_add_widget (g, get_panel_widget (1));
 920
 921     the_hint = label_new (0, 0, NULL);
 922     the_hint->transparent = TRUE;
 923     the_hint->auto_adjust_cols = 0;
 924     WIDGET (the_hint)->rect.cols = COLS;
 925     group_add_widget (g, the_hint);
 926
 927     cmdline = command_new (0, 0, 0);
 928     group_add_widget (g, cmdline);
 929
 930     the_prompt = label_new (0, 0, mc_prompt);
 931     the_prompt->transparent = TRUE;
 932     group_add_widget (g, the_prompt);
 933
 934     the_bar = buttonbar_new ();
 935     group_add_widget (g, the_bar);
 936     midnight_set_buttonbar (the_bar);
 937
 938 #ifdef ENABLE_SUBSHELL
 939     /* Must be done after creation of cmdline and prompt widgets to avoid potential
 940        NULL dereference in load_prompt() -> ... -> setup_cmdline() -> label_set_text(). */
 941     if (mc_global.tty.use_subshell)
 942         add_select_channel (mc_global.tty.subshell_pty, load_prompt, NULL);
 943 #endif /* !ENABLE_SUBSHELL */
 944 }
 945
 946 /* --------------------------------------------------------------------------------------------- */
 947
 948 /** result must be free'd (I think this should go in util.c) */
 949 static vfs_path_t *
 950 prepend_cwd_on_local (const char *filename)
 951 {
 952     vfs_path_t *vpath;
 953
 954     vpath = vfs_path_from_str (filename);
 955     if (!vfs_file_is_local (vpath) || g_path_is_absolute (filename))
 956         return vpath;
 957
 958     vfs_path_free (vpath, TRUE);
 959
 960     return vfs_path_append_new (vfs_get_raw_current_dir (), filename, (char *) NULL);
 961 }
 962
 963 /* --------------------------------------------------------------------------------------------- */
 964
 965 /** Invoke the internal view/edit routine with:
 966  * the default processing and forcing the internal viewer/editor
 967  */
 968 static gboolean
 969 mc_maybe_editor_or_viewer (void)
 970 {
 971     gboolean ret;
 972
 973     switch (mc_global.mc_run_mode)
 974     {
 975 #ifdef USE_INTERNAL_EDIT
 976     case MC_RUN_EDITOR:
 977         ret = edit_files ((GList *) mc_run_param0);
 978         break;
 979 #endif /* USE_INTERNAL_EDIT */
 980     case MC_RUN_VIEWER:
 981         {
 982             vfs_path_t *vpath = NULL;
 983
 984             if (mc_run_param0 != NULL && *(char *) mc_run_param0 != '\0')
 985                 vpath = prepend_cwd_on_local ((char *) mc_run_param0);
 986
 987             ret = view_file (vpath, FALSE, TRUE);
 988             vfs_path_free (vpath, TRUE);
 989             break;
 990         }
 991 #ifdef USE_DIFF_VIEW
 992     case MC_RUN_DIFFVIEWER:
 993         ret = dview_diff_cmd (mc_run_param0, mc_run_param1);
 994         break;
 995 #endif /* USE_DIFF_VIEW */
 996     default:
 997         ret = FALSE;
 998     }
 999
1000     return ret;
1001 }
1002
1003 /* --------------------------------------------------------------------------------------------- */
1004
1005 static void
1006 show_editor_viewer_history (void)
1007 {
1008     char *s;
1009     int act;
1010
1011     s = show_file_history (WIDGET (filemanager), &act);
1012     if (s != NULL)
1013     {
1014         vfs_path_t *s_vpath;
1015
1016         switch (act)
1017         {
1018         case CK_Edit:
1019             s_vpath = vfs_path_from_str (s);
1020             edit_file_at_line (s_vpath, use_internal_edit, 0);
1021             break;
1022
1023         case CK_View:
1024             s_vpath = vfs_path_from_str (s);
1025             view_file (s_vpath, use_internal_view, FALSE);
1026             break;
1027
1028         default:
1029             {
1030                 char *d;
1031
1032                 d = g_path_get_dirname (s);
1033                 s_vpath = vfs_path_from_str (d);
1034                 panel_cd (current_panel, s_vpath, cd_exact);
1035                 panel_set_current_by_name (current_panel, s);
1036                 g_free (d);
1037             }
1038         }
1039
1040         g_free (s);
1041         vfs_path_free (s_vpath, TRUE);
1042     }
1043 }
1044
1045 /* --------------------------------------------------------------------------------------------- */
1046
1047 static gboolean
1048 quit_cmd_internal (int quiet)
1049 {
1050     int q = quit;
1051     size_t n;
1052
1053     n = dialog_switch_num () - 1;
1054     if (n != 0)
1055     {
1056         char msg[BUF_MEDIUM];
1057
1058         g_snprintf (msg, sizeof (msg),
1059                     ngettext ("You have %zu opened screen. Quit anyway?",
1060                               "You have %zu opened screens. Quit anyway?", n), n);
1061
1062         if (query_dialog (_("The Midnight Commander"), msg, D_NORMAL, 2, _("&Yes"), _("&No")) != 0)
1063             return FALSE;
1064         q = 1;
1065     }
1066     else if (quiet || !confirm_exit)
1067         q = 1;
1068     else if (query_dialog (_("The Midnight Commander"),
1069                            _("Do you really want to quit the Midnight Commander?"),
1070                            D_NORMAL, 2, _("&Yes"), _("&No")) == 0)
1071         q = 1;
1072
1073     if (q != 0)
1074     {
1075 #ifdef ENABLE_SUBSHELL
1076         if (!mc_global.tty.use_subshell)
1077             stop_dialogs ();
1078         else if ((q = exit_subshell ()? 1 : 0) != 0)
1079 #endif
1080             stop_dialogs ();
1081     }
1082
1083     if (q != 0)
1084         quit |= 1;
1085     return (quit != 0);
1086 }
1087
1088 /* --------------------------------------------------------------------------------------------- */
1089
1090 static gboolean
1091 quit_cmd (void)
1092 {
1093     return quit_cmd_internal (0);
1094 }
1095
1096 /* --------------------------------------------------------------------------------------------- */
1097
1098 /**
1099  * Repaint the contents of the panels without frames.  To schedule panel
1100  * for repainting, set panel->dirty to TRUE.  There are many reasons why
1101  * the panels need to be repainted, and this is a costly operation, so
1102  * it's done once per event.
1103  */
1104
1105 static void
1106 update_dirty_panels (void)
1107 {
1108     if (get_current_type () == view_listing && current_panel->dirty)
1109         widget_draw (WIDGET (current_panel));
1110
1111     if (get_other_type () == view_listing && other_panel->dirty)
1112         widget_draw (WIDGET (other_panel));
1113 }
1114
1115 /* --------------------------------------------------------------------------------------------- */
1116
1117 static void
1118 toggle_show_hidden (void)
1119 {
1120     panels_options.show_dot_files = !panels_options.show_dot_files;
1121     update_panels (UP_RELOAD, UP_KEEPSEL);
1122     /* redraw panels forced */
1123     update_dirty_panels ();
1124 }
1125
1126 /* --------------------------------------------------------------------------------------------- */
1127
1128 static cb_ret_t
1129 midnight_execute_cmd (Widget *sender, long command)
1130 {
1131     cb_ret_t res = MSG_HANDLED;
1132
1133     (void) sender;
1134
1135     /* stop quick search before executing any command */
1136     send_message (current_panel, NULL, MSG_ACTION, CK_SearchStop, NULL);
1137
1138     switch (command)
1139     {
1140     case CK_ChangePanel:
1141         (void) change_panel ();
1142         break;
1143     case CK_HotListAdd:
1144         add2hotlist_cmd (current_panel);
1145         break;
1146     case CK_SetupListingFormat:
1147         setup_listing_format_cmd ();
1148         break;
1149     case CK_ChangeMode:
1150         chmod_cmd (current_panel);
1151         break;
1152     case CK_ChangeOwn:
1153         chown_cmd (current_panel);
1154         break;
1155     case CK_ChangeOwnAdvanced:
1156         advanced_chown_cmd (current_panel);
1157         break;
1158 #ifdef ENABLE_EXT2FS_ATTR
1159     case CK_ChangeAttributes:
1160         chattr_cmd (current_panel);
1161         break;
1162 #endif
1163     case CK_CompareDirs:
1164         compare_dirs_cmd ();
1165         break;
1166     case CK_Options:
1167         configure_box ();
1168         break;
1169 #ifdef ENABLE_VFS
1170     case CK_OptionsVfs:
1171         configure_vfs_box ();
1172         break;
1173 #endif
1174     case CK_OptionsConfirm:
1175         confirm_box ();
1176         break;
1177     case CK_Copy:
1178         copy_cmd (current_panel);
1179         break;
1180     case CK_PutCurrentPath:
1181         midnight_put_panel_path (current_panel);
1182         break;
1183     case CK_PutCurrentSelected:
1184         put_current_selected ();
1185         break;
1186     case CK_PutCurrentFullSelected:
1187         midnight_put_panel_path (current_panel);
1188         put_current_selected ();
1189         break;
1190     case CK_PutCurrentLink:
1191         put_current_link ();
1192         break;
1193     case CK_PutCurrentTagged:
1194         put_current_tagged ();
1195         break;
1196     case CK_PutOtherPath:
1197         if (get_other_type () == view_listing)
1198             midnight_put_panel_path (other_panel);
1199         break;
1200     case CK_PutOtherLink:
1201         put_other_link ();
1202         break;
1203     case CK_PutOtherTagged:
1204         put_other_tagged ();
1205         break;
1206     case CK_Delete:
1207         delete_cmd (current_panel);
1208         break;
1209     case CK_ScreenList:
1210         dialog_switch_list ();
1211         break;
1212 #ifdef USE_DIFF_VIEW
1213     case CK_CompareFiles:
1214         diff_view_cmd ();
1215         break;
1216 #endif
1217     case CK_OptionsDisplayBits:
1218         display_bits_box ();
1219         break;
1220     case CK_Edit:
1221         edit_cmd (current_panel);
1222         break;
1223 #ifdef USE_INTERNAL_EDIT
1224     case CK_EditForceInternal:
1225         edit_cmd_force_internal (current_panel);
1226         break;
1227 #endif
1228     case CK_EditExtensionsFile:
1229         ext_cmd ();
1230         break;
1231     case CK_EditFileHighlightFile:
1232         edit_fhl_cmd ();
1233         break;
1234     case CK_EditUserMenu:
1235         edit_mc_menu_cmd ();
1236         break;
1237     case CK_LinkSymbolicEdit:
1238         edit_symlink_cmd ();
1239         break;
1240     case CK_ExternalPanelize:
1241         external_panelize_cmd ();
1242         break;
1243     case CK_ViewFiltered:
1244         view_filtered_cmd (current_panel);
1245         break;
1246     case CK_Find:
1247         find_cmd (current_panel);
1248         break;
1249 #ifdef ENABLE_VFS_SHELL
1250     case CK_ConnectShell:
1251         shelllink_cmd ();
1252         break;
1253 #endif
1254 #ifdef ENABLE_VFS_FTP
1255     case CK_ConnectFtp:
1256         ftplink_cmd ();
1257         break;
1258 #endif
1259 #ifdef ENABLE_VFS_SFTP
1260     case CK_ConnectSftp:
1261         sftplink_cmd ();
1262         break;
1263 #endif
1264     case CK_Panelize:
1265         panel_panelize_cd ();
1266         break;
1267     case CK_Help:
1268         help_cmd ();
1269         break;
1270     case CK_History:
1271         /* show the history of command line widget */
1272         send_message (cmdline, NULL, MSG_ACTION, CK_History, NULL);
1273         break;
1274     case CK_PanelInfo:
1275         if (sender == WIDGET (the_menubar))
1276             info_cmd ();        /* menu */
1277         else
1278             info_cmd_no_menu ();        /* shortcut or buttonbar */
1279         break;
1280 #ifdef ENABLE_BACKGROUND
1281     case CK_Jobs:
1282         jobs_box ();
1283         break;
1284 #endif
1285     case CK_OptionsLayout:
1286         layout_box ();
1287         break;
1288     case CK_OptionsAppearance:
1289         appearance_box ();
1290         break;
1291     case CK_LearnKeys:
1292         learn_keys ();
1293         break;
1294     case CK_Link:
1295         link_cmd (LINK_HARDLINK);
1296         break;
1297     case CK_PanelListing:
1298         listing_cmd ();
1299         break;
1300 #ifdef LISTMODE_EDITOR
1301     case CK_ListMode:
1302         listmode_cmd ();
1303         break;
1304 #endif
1305     case CK_Menu:
1306         menu_cmd ();
1307         break;
1308     case CK_MenuLastSelected:
1309         menu_last_selected_cmd ();
1310         break;
1311     case CK_MakeDir:
1312         mkdir_cmd (current_panel);
1313         break;
1314     case CK_OptionsPanel:
1315         panel_options_box ();
1316         break;
1317 #ifdef HAVE_CHARSET
1318     case CK_SelectCodepage:
1319         encoding_cmd ();
1320         break;
1321 #endif
1322     case CK_CdQuick:
1323         quick_cd_cmd (current_panel);
1324         break;
1325     case CK_HotList:
1326         hotlist_cmd (current_panel);
1327         break;
1328     case CK_PanelQuickView:
1329         if (sender == WIDGET (the_menubar))
1330             quick_view_cmd ();  /* menu */
1331         else
1332             quick_cmd_no_menu ();       /* shortcut or buttonabr */
1333         break;
1334     case CK_QuitQuiet:
1335         quiet_quit_cmd ();
1336         break;
1337     case CK_Quit:
1338         quit_cmd ();
1339         break;
1340     case CK_LinkSymbolicRelative:
1341         link_cmd (LINK_SYMLINK_RELATIVE);
1342         break;
1343     case CK_Move:
1344         rename_cmd (current_panel);
1345         break;
1346     case CK_Reread:
1347         reread_cmd ();
1348         break;
1349 #ifdef ENABLE_VFS
1350     case CK_VfsList:
1351         vfs_list (current_panel);
1352         break;
1353 #endif
1354     case CK_SaveSetup:
1355         save_setup_cmd ();
1356         break;
1357     case CK_Select:
1358     case CK_Unselect:
1359     case CK_SelectInvert:
1360     case CK_Filter:
1361         res = send_message (current_panel, filemanager, MSG_ACTION, command, NULL);
1362         break;
1363     case CK_Shell:
1364         toggle_subshell ();
1365         break;
1366     case CK_DirSize:
1367         smart_dirsize_cmd (current_panel);
1368         break;
1369     case CK_Sort:
1370         sort_cmd ();
1371         break;
1372     case CK_ExtendedKeyMap:
1373         WIDGET (filemanager)->ext_mode = TRUE;
1374         break;
1375     case CK_Suspend:
1376         mc_event_raise (MCEVENT_GROUP_CORE, "suspend", NULL);
1377         break;
1378     case CK_Swap:
1379         swap_cmd ();
1380         break;
1381     case CK_LinkSymbolic:
1382         link_cmd (LINK_SYMLINK_ABSOLUTE);
1383         break;
1384     case CK_ShowHidden:
1385         toggle_show_hidden ();
1386         break;
1387     case CK_SplitVertHoriz:
1388         toggle_panels_split ();
1389         break;
1390     case CK_SplitEqual:
1391         panels_split_equal ();
1392         break;
1393     case CK_SplitMore:
1394         panels_split_more ();
1395         break;
1396     case CK_SplitLess:
1397         panels_split_less ();
1398         break;
1399     case CK_PanelTree:
1400         panel_tree_cmd ();
1401         break;
1402     case CK_Tree:
1403         treebox_cmd ();
1404         break;
1405 #ifdef ENABLE_VFS_UNDELFS
1406     case CK_Undelete:
1407         undelete_cmd ();
1408         break;
1409 #endif
1410     case CK_UserMenu:
1411         user_file_menu_cmd ();
1412         break;
1413     case CK_View:
1414         view_cmd (current_panel);
1415         break;
1416     case CK_ViewFile:
1417         view_file_cmd (current_panel);
1418         break;
1419     case CK_EditorViewerHistory:
1420         show_editor_viewer_history ();
1421         break;
1422     case CK_Cancel:
1423         /* don't close panels due to SIGINT */
1424         break;
1425     default:
1426         res = MSG_NOT_HANDLED;
1427     }
1428
1429     return res;
1430 }
1431
1432 /* --------------------------------------------------------------------------------------------- */
1433
1434 /**
1435  * Whether the command-line should not respond to key events.
1436  *
1437  * This is TRUE if a QuickView or TreeView have the focus, as they're going
1438  * to consume some keys and there's no sense in passing to the command-line
1439  * just the leftovers.
1440  */
1441 static gboolean
1442 is_cmdline_mute (void)
1443 {
1444     /* When one of panels is other than view_listing,
1445        current_panel points to view_listing panel all time independently of
1446        it's activity. Thus, we can't use get_current_type() here.
1447        current_panel should point to actually current active panel
1448        independently of it's type. */
1449     return (!current_panel->active
1450             && (get_other_type () == view_quick || get_other_type () == view_tree));
1451 }
1452
1453 /* --------------------------------------------------------------------------------------------- */
1454
1455 /**
1456  * Handles the Enter key on the command-line.
1457  *
1458  * Returns TRUE if non-whitespace was indeed processed.
1459  */
1460 static gboolean
1461 handle_cmdline_enter (void)
1462 {
1463     const char *s;
1464
1465     for (s = input_get_ctext (cmdline); *s != '\0' && whitespace (*s); s++)
1466         ;
1467
1468     if (*s != '\0')
1469     {
1470         send_message (cmdline, NULL, MSG_KEY, '\n', NULL);
1471         return TRUE;
1472     }
1473
1474     input_insert (cmdline, "", FALSE);
1475     cmdline->point = 0;
1476
1477     return FALSE;
1478 }
1479
1480 /* --------------------------------------------------------------------------------------------- */
1481
1482 static cb_ret_t
1483 midnight_callback (Widget *w, Widget *sender, widget_msg_t msg, int parm, void *data)
1484 {
1485     long command;
1486
1487     switch (msg)
1488     {
1489     case MSG_INIT:
1490         panel_init ();
1491         setup_panels ();
1492         return MSG_HANDLED;
1493
1494     case MSG_DRAW:
1495         load_hint (TRUE);
1496         group_default_callback (w, NULL, MSG_DRAW, 0, NULL);
1497         /* We handle the special case of the output lines */
1498         if (mc_global.tty.console_flag != '\0' && output_lines != 0)
1499         {
1500             unsigned char end_line;
1501
1502             end_line = LINES - (mc_global.keybar_visible ? 1 : 0) - 1;
1503             show_console_contents (output_start_y, end_line - output_lines, end_line);
1504         }
1505         return MSG_HANDLED;
1506
1507     case MSG_RESIZE:
1508         widget_adjust_position (w->pos_flags, &w->rect);
1509         setup_panels ();
1510         menubar_arrange (the_menubar);
1511         return MSG_HANDLED;
1512
1513     case MSG_IDLE:
1514         /* We only need the first idle event to show user menu after start */
1515         widget_idle (w, FALSE);
1516
1517         if (boot_current_is_left)
1518             widget_select (get_panel_widget (0));
1519         else
1520             widget_select (get_panel_widget (1));
1521
1522         if (auto_menu)
1523             midnight_execute_cmd (NULL, CK_UserMenu);
1524         return MSG_HANDLED;
1525
1526     case MSG_KEY:
1527         if (w->ext_mode)
1528         {
1529             command = widget_lookup_key (w, parm);
1530             if (command != CK_IgnoreKey)
1531                 return midnight_execute_cmd (NULL, command);
1532         }
1533
1534         /* FIXME: should handle all menu shortcuts before this point */
1535         if (widget_get_state (WIDGET (the_menubar), WST_FOCUSED))
1536             return MSG_NOT_HANDLED;
1537
1538         if (parm == '\n' && !is_cmdline_mute ())
1539         {
1540             if (handle_cmdline_enter ())
1541                 return MSG_HANDLED;
1542             /* Else: the panel will handle it. */
1543         }
1544
1545         if ((!mc_global.tty.alternate_plus_minus
1546              || !(mc_global.tty.console_flag != '\0' || mc_global.tty.xterm_flag)) && !quote
1547             && !current_panel->quick_search.active)
1548         {
1549             if (!only_leading_plus_minus)
1550             {
1551                 /* Special treatment, since the input line will eat them */
1552                 if (parm == '+')
1553                     return send_message (current_panel, filemanager, MSG_ACTION, CK_Select, NULL);
1554
1555                 if (parm == '\\' || parm == '-')
1556                     return send_message (current_panel, filemanager, MSG_ACTION, CK_Unselect, NULL);
1557
1558                 if (parm == '*')
1559                     return send_message (current_panel, filemanager, MSG_ACTION, CK_SelectInvert,
1560                                          NULL);
1561             }
1562             else if (!command_prompt || input_is_empty (cmdline))
1563             {
1564                 /* Special treatment '+', '-', '\', '*' only when this is
1565                  * first char on input line
1566                  */
1567                 if (parm == '+')
1568                     return send_message (current_panel, filemanager, MSG_ACTION, CK_Select, NULL);
1569
1570                 if (parm == '\\' || parm == '-')
1571                     return send_message (current_panel, filemanager, MSG_ACTION, CK_Unselect, NULL);
1572
1573                 if (parm == '*')
1574                     return send_message (current_panel, filemanager, MSG_ACTION, CK_SelectInvert,
1575                                          NULL);
1576             }
1577         }
1578         return MSG_NOT_HANDLED;
1579
1580     case MSG_HOTKEY_HANDLED:
1581         if ((get_current_type () == view_listing) && current_panel->quick_search.active)
1582         {
1583             current_panel->dirty = TRUE;        /* FIXME: unneeded? */
1584             send_message (current_panel, NULL, MSG_ACTION, CK_SearchStop, NULL);
1585         }
1586         return MSG_HANDLED;
1587
1588     case MSG_UNHANDLED_KEY:
1589         {
1590             cb_ret_t v = MSG_NOT_HANDLED;
1591
1592             command = widget_lookup_key (w, parm);
1593             if (command != CK_IgnoreKey)
1594                 v = midnight_execute_cmd (NULL, command);
1595
1596             if (v == MSG_NOT_HANDLED && command_prompt && !is_cmdline_mute ())
1597                 v = send_message (cmdline, NULL, MSG_KEY, parm, NULL);
1598
1599             return v;
1600         }
1601
1602     case MSG_POST_KEY:
1603         if (!widget_get_state (WIDGET (the_menubar), WST_FOCUSED))
1604             update_dirty_panels ();
1605         return MSG_HANDLED;
1606
1607     case MSG_ACTION:
1608         /* Handle shortcuts, menu, and buttonbar. */
1609         return midnight_execute_cmd (sender, parm);
1610
1611     case MSG_DESTROY:
1612         panel_deinit ();
1613         return MSG_HANDLED;
1614
1615     default:
1616         return dlg_default_callback (w, sender, msg, parm, data);
1617     }
1618 }
1619
1620 /* --------------------------------------------------------------------------------------------- */
1621 /*** public functions ****************************************************************************/
1622 /* --------------------------------------------------------------------------------------------- */
1623
1624 void
1625 update_menu (void)
1626 {
1627     menu_set_name (left_menu, panels_layout.horizontal_split ? _("&Above") : _("&Left"));
1628     menu_set_name (right_menu, panels_layout.horizontal_split ? _("&Below") : _("&Right"));
1629     menubar_arrange (the_menubar);
1630     widget_set_visibility (WIDGET (the_menubar), menubar_visible);
1631 }
1632
1633 /* --------------------------------------------------------------------------------------------- */
1634
1635 void
1636 midnight_set_buttonbar (WButtonBar *b)
1637 {
1638     Widget *w = WIDGET (filemanager);
1639
1640     buttonbar_set_label (b, 1, Q_ ("ButtonBar|Help"), w->keymap, NULL);
1641     buttonbar_set_label (b, 2, Q_ ("ButtonBar|Menu"), w->keymap, NULL);
1642     buttonbar_set_label (b, 3, Q_ ("ButtonBar|View"), w->keymap, NULL);
1643     buttonbar_set_label (b, 4, Q_ ("ButtonBar|Edit"), w->keymap, NULL);
1644     buttonbar_set_label (b, 5, Q_ ("ButtonBar|Copy"), w->keymap, NULL);
1645     buttonbar_set_label (b, 6, Q_ ("ButtonBar|RenMov"), w->keymap, NULL);
1646     buttonbar_set_label (b, 7, Q_ ("ButtonBar|Mkdir"), w->keymap, NULL);
1647     buttonbar_set_label (b, 8, Q_ ("ButtonBar|Delete"), w->keymap, NULL);
1648     buttonbar_set_label (b, 9, Q_ ("ButtonBar|PullDn"), w->keymap, NULL);
1649     buttonbar_set_label (b, 10, Q_ ("ButtonBar|Quit"), w->keymap, NULL);
1650 }
1651
1652 /* --------------------------------------------------------------------------------------------- */
1653 /**
1654  * Return a random hint.  If force is TRUE, ignore the timeout.
1655  */
1656
1657 char *
1658 get_random_hint (gboolean force)
1659 {
1660     static const gint64 update_period = 60 * G_USEC_PER_SEC;
1661     static gint64 tv = 0;
1662
1663     char *data, *result, *eop;
1664     size_t len, start;
1665     GIConv conv;
1666
1667     /* Do not change hints more often than one minute */
1668     if (!force && !mc_time_elapsed (&tv, update_period))
1669         return g_strdup ("");
1670
1671     data = load_mc_home_file (mc_global.share_data_dir, MC_HINT, NULL, &len);
1672     if (data == NULL)
1673         return NULL;
1674
1675     /* get a random entry */
1676     srand ((unsigned int) (tv / G_USEC_PER_SEC));
1677     start = ((size_t) rand ()) % (len - 1);
1678
1679     /* Search the start of paragraph */
1680     for (; start != 0; start--)
1681         if (data[start] == '\n' && data[start + 1] == '\n')
1682         {
1683             start += 2;
1684             break;
1685         }
1686
1687     /* Search the end of paragraph */
1688     for (eop = data + start; *eop != '\0'; eop++)
1689     {
1690         if (*eop == '\n' && *(eop + 1) == '\n')
1691         {
1692             *eop = '\0';
1693             break;
1694         }
1695         if (*eop == '\n')
1696             *eop = ' ';
1697     }
1698
1699     /* hint files are stored in utf-8 */
1700     /* try convert hint file from utf-8 to terminal encoding */
1701     conv = str_crt_conv_from ("UTF-8");
1702     if (conv == INVALID_CONV)
1703         result = g_strndup (data + start, len - start);
1704     else
1705     {
1706         GString *buffer;
1707         gboolean nok;
1708
1709         buffer = g_string_sized_new (len - start);
1710         nok = (str_convert (conv, data + start, buffer) == ESTR_FAILURE);
1711         result = g_string_free (buffer, nok);
1712         str_close_conv (conv);
1713     }
1714
1715     g_free (data);
1716     return result;
1717 }
1718
1719
1720 /* --------------------------------------------------------------------------------------------- */
1721 /**
1722  * Load new hint and display it.
1723  * IF force is not 0, ignore the timeout.
1724  */
1725
1726 void
1727 load_hint (gboolean force)
1728 {
1729     char *hint;
1730
1731     if (WIDGET (the_hint)->owner == NULL)
1732         return;
1733
1734     if (!mc_global.message_visible)
1735     {
1736         label_set_text (the_hint, NULL);
1737         return;
1738     }
1739
1740     hint = get_random_hint (force);
1741
1742     if (hint != NULL)
1743     {
1744         if (*hint != '\0')
1745             set_hintbar (hint);
1746         g_free (hint);
1747     }
1748     else
1749     {
1750         char text[BUF_SMALL];
1751
1752         g_snprintf (text, sizeof (text), _("GNU Midnight Commander %s\n"), mc_global.mc_version);
1753         set_hintbar (text);
1754     }
1755 }
1756
1757 /* --------------------------------------------------------------------------------------------- */
1758 /**
1759   * Change current panel in the file manager.
1760   *
1761   * @return current_panel
1762   */
1763
1764 WPanel *
1765 change_panel (void)
1766 {
1767     input_complete_free (cmdline);
1768     group_select_next_widget (GROUP (filemanager));
1769     return current_panel;
1770 }
1771
1772 /* --------------------------------------------------------------------------------------------- */
1773
1774 /** Save current stat of directories to avoid reloading the panels
1775  * when no modifications have taken place
1776  */
1777 void
1778 save_cwds_stat (void)
1779 {
1780     if (panels_options.fast_reload)
1781     {
1782         mc_stat (current_panel->cwd_vpath, &(current_panel->dir_stat));
1783         if (get_other_type () == view_listing)
1784             mc_stat (other_panel->cwd_vpath, &(other_panel->dir_stat));
1785     }
1786 }
1787
1788 /* --------------------------------------------------------------------------------------------- */
1789
1790 gboolean
1791 quiet_quit_cmd (void)
1792 {
1793     print_last_revert = TRUE;
1794     return quit_cmd_internal (1);
1795 }
1796
1797 /* --------------------------------------------------------------------------------------------- */
1798
1799 /** Run the main dialog that occupies the whole screen */
1800 gboolean
1801 do_nc (void)
1802 {
1803     gboolean ret;
1804
1805 #ifdef USE_INTERNAL_EDIT
1806     edit_stack_init ();
1807 #endif
1808
1809     filemanager = dlg_create (FALSE, 0, 0, 1, 1, WPOS_FULLSCREEN, FALSE, dialog_colors,
1810                               midnight_callback, NULL, "[main]", NULL);
1811
1812     /* Check if we were invoked as an editor or file viewer */
1813     if (mc_global.mc_run_mode != MC_RUN_FULL)
1814     {
1815         setup_dummy_mc ();
1816         ret = mc_maybe_editor_or_viewer ();
1817     }
1818     else
1819     {
1820         /* We only need the first idle event to show user menu after start */
1821         widget_idle (WIDGET (filemanager), TRUE);
1822
1823         setup_mc ();
1824         mc_filehighlight = mc_fhl_new (TRUE);
1825
1826         create_file_manager ();
1827         (void) dlg_run (filemanager);
1828
1829         mc_fhl_free (&mc_filehighlight);
1830
1831         ret = TRUE;
1832
1833         /* widget_destroy destroys even current_panel->cwd_vpath, so we have to save a copy :) */
1834         if (mc_args__last_wd_file != NULL && vfs_current_is_local ())
1835             last_wd_string = g_strdup (vfs_path_as_str (current_panel->cwd_vpath));
1836
1837         /* don't handle VFS timestamps for dirs opened in panels */
1838         mc_event_destroy (MCEVENT_GROUP_CORE, "vfs_timestamp");
1839     }
1840
1841     /* Program end */
1842     mc_global.midnight_shutdown = TRUE;
1843     dialog_switch_shutdown ();
1844     done_mc ();
1845     widget_destroy (WIDGET (filemanager));
1846     current_panel = NULL;
1847
1848 #ifdef USE_INTERNAL_EDIT
1849     edit_stack_free ();
1850 #endif
1851
1852     if ((quit & SUBSHELL_EXIT) == 0)
1853         tty_clear_screen ();
1854
1855     return ret;
1856 }
1857
1858 /* --------------------------------------------------------------------------------------------- */