src/filemanager/midnight.c

   1 /*
   2    Main dialog (file panels) of the Midnight Commander
   3
   4    Copyright (C) 1994-2020
   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, 2010, 2012, 2013
  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 main.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 <errno.h>
  38 #include <locale.h>
  39 #include <stdio.h>
  40 #include <stdlib.h>
  41 #include <string.h>
  42 #include <sys/types.h>
  43 #include <sys/stat.h>
  44 #include <sys/wait.h>
  45 #include <pwd.h>                /* for username in xterm title */
  46
  47 #include "lib/global.h"
  48 #include "lib/fileloc.h"        /* MC_HINT */
  49
  50 #include "lib/tty/tty.h"
  51 #include "lib/tty/key.h"        /* KEY_M_* masks */
  52 #include "lib/skin.h"
  53 #include "lib/util.h"
  54
  55 #include "lib/vfs/vfs.h"
  56
  57 #include "src/args.h"
  58 #ifdef ENABLE_SUBSHELL
  59 #include "src/subshell/subshell.h"
  60 #endif
  61 #include "src/execute.h"        /* toggle_subshell */
  62 #include "src/setup.h"          /* variables */
  63 #include "src/learn.h"          /* learn_keys() */
  64 #include "src/keybind-defaults.h"
  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 #include "chmod.h"
  79 #include "chown.h"
  80 #include "achown.h"
  81
  82 #ifdef USE_INTERNAL_EDIT
  83 #include "src/editor/edit.h"
  84 #endif
  85
  86 #ifdef USE_DIFF_VIEW
  87 #include "src/diffviewer/ydiff.h"
  88 #endif
  89
  90 #include "src/consaver/cons.saver.h"    /* show_console_contents */
  91 #include "src/file_history.h"   /* show_file_history() */
  92
  93 #include "midnight.h"
  94
  95 /*** global variables ****************************************************************************/
  96
  97 /* When the modes are active, left_panel, right_panel and tree_panel */
  98 /* point to a proper data structure.  You should check with the functions */
  99 /* get_current_type and get_other_type the types of the panels before using */
 100 /* this pointer variables */
 101
 102 /* The structures for the panels */
 103 WPanel *left_panel = NULL;
 104 WPanel *right_panel = NULL;
 105 /* Pointer to the selected and unselected panel */
 106 WPanel *current_panel = NULL;
 107
 108 /* The Menubar */
 109 WMenuBar *the_menubar = NULL;
 110 /* The widget where we draw the prompt */
 111 WLabel *the_prompt;
 112 /* The hint bar */
 113 WLabel *the_hint;
 114 /* The button bar */
 115 WButtonBar *the_bar;
 116
 117 /* The prompt */
 118 const char *mc_prompt = NULL;
 119
 120 /*** file scope macro definitions ****************************************************************/
 121
 122 #ifdef HAVE_CHARSET
 123 /*
 124  * Don't restrict the output on the screen manager level,
 125  * the translation tables take care of it.
 126  */
 127 #endif /* !HAVE_CHARSET */
 128
 129 /*** file scope type declarations ****************************************************************/
 130
 131 /*** file scope variables ************************************************************************/
 132
 133 static menu_t *left_menu, *right_menu;
 134
 135 static gboolean ctl_x_map_enabled = FALSE;
 136
 137 /*** file scope functions ************************************************************************/
 138
 139 /** Stop MC main dialog and the current dialog if it exists.
 140   * Needed to provide fast exit from MC viewer or editor on shell exit */
 141 static void
 142 stop_dialogs (void)
 143 {
 144     dlg_stop (midnight_dlg);
 145
 146     if (top_dlg != NULL)
 147         dlg_stop (DIALOG (top_dlg->data));
 148 }
 149
 150 /* --------------------------------------------------------------------------------------------- */
 151
 152 static void
 153 treebox_cmd (void)
 154 {
 155     char *sel_dir;
 156
 157     sel_dir = tree_box (selection (current_panel)->fname);
 158     if (sel_dir != NULL)
 159     {
 160         vfs_path_t *sel_vdir;
 161
 162         sel_vdir = vfs_path_from_str (sel_dir);
 163         do_cd (sel_vdir, cd_exact);
 164         vfs_path_free (sel_vdir);
 165         g_free (sel_dir);
 166     }
 167 }
 168
 169 /* --------------------------------------------------------------------------------------------- */
 170
 171 #ifdef LISTMODE_EDITOR
 172 static void
 173 listmode_cmd (void)
 174 {
 175     char *newmode;
 176
 177     if (get_current_type () != view_listing)
 178         return;
 179
 180     newmode = listmode_edit (current_panel->user_format);
 181     if (!newmode)
 182         return;
 183
 184     g_free (current_panel->user_format);
 185     current_panel->list_format = list_user;
 186     current_panel->user_format = newmode;
 187     set_panel_formats (current_panel);
 188
 189     do_refresh ();
 190 }
 191 #endif /* LISTMODE_EDITOR */
 192
 193 /* --------------------------------------------------------------------------------------------- */
 194
 195 static GList *
 196 create_panel_menu (void)
 197 {
 198     GList *entries = NULL;
 199
 200     entries = g_list_prepend (entries, menu_entry_create (_("File listin&g"), CK_PanelListing));
 201     entries = g_list_prepend (entries, menu_entry_create (_("&Quick view"), CK_PanelQuickView));
 202     entries = g_list_prepend (entries, menu_entry_create (_("&Info"), CK_PanelInfo));
 203     entries = g_list_prepend (entries, menu_entry_create (_("&Tree"), CK_PanelTree));
 204     entries = g_list_prepend (entries, menu_separator_create ());
 205     entries =
 206         g_list_prepend (entries,
 207                         menu_entry_create (_("&Listing format..."), CK_SetupListingFormat));
 208     entries = g_list_prepend (entries, menu_entry_create (_("&Sort order..."), CK_Sort));
 209     entries = g_list_prepend (entries, menu_entry_create (_("&Filter..."), CK_Filter));
 210 #ifdef HAVE_CHARSET
 211     entries = g_list_prepend (entries, menu_entry_create (_("&Encoding..."), CK_SelectCodepage));
 212 #endif
 213     entries = g_list_prepend (entries, menu_separator_create ());
 214 #ifdef ENABLE_VFS_FTP
 215     entries = g_list_prepend (entries, menu_entry_create (_("FT&P link..."), CK_ConnectFtp));
 216 #endif
 217 #ifdef ENABLE_VFS_FISH
 218     entries = g_list_prepend (entries, menu_entry_create (_("S&hell link..."), CK_ConnectFish));
 219 #endif
 220 #ifdef ENABLE_VFS_SFTP
 221     entries = g_list_prepend (entries, menu_entry_create (_("S&FTP link..."), CK_ConnectSftp));
 222 #endif
 223 #ifdef ENABLE_VFS_SMB
 224     entries = g_list_prepend (entries, menu_entry_create (_("SM&B link..."), CK_ConnectSmb));
 225 #endif
 226     entries = g_list_prepend (entries, menu_entry_create (_("Paneli&ze"), CK_Panelize));
 227     entries = g_list_prepend (entries, menu_separator_create ());
 228     entries = g_list_prepend (entries, menu_entry_create (_("&Rescan"), CK_Reread));
 229
 230     return g_list_reverse (entries);
 231 }
 232
 233 /* --------------------------------------------------------------------------------------------- */
 234
 235 static GList *
 236 create_file_menu (void)
 237 {
 238     GList *entries = NULL;
 239
 240     entries = g_list_prepend (entries, menu_entry_create (_("&View"), CK_View));
 241     entries = g_list_prepend (entries, menu_entry_create (_("Vie&w file..."), CK_ViewFile));
 242     entries = g_list_prepend (entries, menu_entry_create (_("&Filtered view"), CK_ViewFiltered));
 243     entries = g_list_prepend (entries, menu_entry_create (_("&Edit"), CK_Edit));
 244     entries = g_list_prepend (entries, menu_entry_create (_("&Copy"), CK_Copy));
 245     entries = g_list_prepend (entries, menu_entry_create (_("C&hmod"), CK_ChangeMode));
 246     entries = g_list_prepend (entries, menu_entry_create (_("&Link"), CK_Link));
 247     entries = g_list_prepend (entries, menu_entry_create (_("&Symlink"), CK_LinkSymbolic));
 248     entries =
 249         g_list_prepend (entries,
 250                         menu_entry_create (_("Relative symlin&k"), CK_LinkSymbolicRelative));
 251     entries = g_list_prepend (entries, menu_entry_create (_("Edit s&ymlink"), CK_LinkSymbolicEdit));
 252     entries = g_list_prepend (entries, menu_entry_create (_("Ch&own"), CK_ChangeOwn));
 253     entries =
 254         g_list_prepend (entries, menu_entry_create (_("&Advanced chown"), CK_ChangeOwnAdvanced));
 255     entries = g_list_prepend (entries, menu_entry_create (_("&Rename/Move"), CK_Move));
 256     entries = g_list_prepend (entries, menu_entry_create (_("&Mkdir"), CK_MakeDir));
 257     entries = g_list_prepend (entries, menu_entry_create (_("&Delete"), CK_Delete));
 258     entries = g_list_prepend (entries, menu_entry_create (_("&Quick cd"), CK_CdQuick));
 259     entries = g_list_prepend (entries, menu_separator_create ());
 260     entries = g_list_prepend (entries, menu_entry_create (_("Select &group"), CK_Select));
 261     entries = g_list_prepend (entries, menu_entry_create (_("U&nselect group"), CK_Unselect));
 262     entries = g_list_prepend (entries, menu_entry_create (_("&Invert selection"), CK_SelectInvert));
 263     entries = g_list_prepend (entries, menu_separator_create ());
 264     entries = g_list_prepend (entries, menu_entry_create (_("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_create (_("&User menu"), CK_UserMenu));
 281     entries = g_list_prepend (entries, menu_entry_create (_("&Directory tree"), CK_Tree));
 282     entries = g_list_prepend (entries, menu_entry_create (_("&Find file"), CK_Find));
 283     entries = g_list_prepend (entries, menu_entry_create (_("S&wap panels"), CK_Swap));
 284     entries = g_list_prepend (entries, menu_entry_create (_("Switch &panels on/off"), CK_Shell));
 285     entries =
 286         g_list_prepend (entries, menu_entry_create (_("&Compare directories"), CK_CompareDirs));
 287 #ifdef USE_DIFF_VIEW
 288     entries = g_list_prepend (entries, menu_entry_create (_("C&ompare files"), CK_CompareFiles));
 289 #endif
 290     entries =
 291         g_list_prepend (entries, menu_entry_create (_("E&xternal panelize"), CK_ExternalPanelize));
 292     entries = g_list_prepend (entries, menu_entry_create (_("Show directory s&izes"), CK_DirSize));
 293     entries = g_list_prepend (entries, menu_separator_create ());
 294     entries = g_list_prepend (entries, menu_entry_create (_("Command &history"), CK_History));
 295     entries =
 296         g_list_prepend (entries,
 297                         menu_entry_create (_("Viewed/edited files hi&story"),
 298                                            CK_EditorViewerHistory));
 299     entries = g_list_prepend (entries, menu_entry_create (_("Di&rectory hotlist"), CK_HotList));
 300 #ifdef ENABLE_VFS
 301     entries = g_list_prepend (entries, menu_entry_create (_("&Active VFS list"), CK_VfsList));
 302 #endif
 303 #ifdef ENABLE_BACKGROUND
 304     entries = g_list_prepend (entries, menu_entry_create (_("&Background jobs"), CK_Jobs));
 305 #endif
 306     entries = g_list_prepend (entries, menu_entry_create (_("Screen lis&t"), CK_ScreenList));
 307     entries = g_list_prepend (entries, menu_separator_create ());
 308 #ifdef ENABLE_VFS_UNDELFS
 309     entries =
 310         g_list_prepend (entries,
 311                         menu_entry_create (_("&Undelete files (ext2fs only)"), CK_Undelete));
 312 #endif
 313 #ifdef LISTMODE_EDITOR
 314     entries = g_list_prepend (entries, menu_entry_create (_("&Listing format edit"), CK_ListMode));
 315 #endif
 316 #if defined (ENABLE_VFS_UNDELFS) || defined (LISTMODE_EDITOR)
 317     entries = g_list_prepend (entries, menu_separator_create ());
 318 #endif
 319     entries =
 320         g_list_prepend (entries,
 321                         menu_entry_create (_("Edit &extension file"), CK_EditExtensionsFile));
 322     entries = g_list_prepend (entries, menu_entry_create (_("Edit &menu file"), CK_EditUserMenu));
 323     entries =
 324         g_list_prepend (entries,
 325                         menu_entry_create (_("Edit hi&ghlighting group file"),
 326                                            CK_EditFileHighlightFile));
 327
 328     return g_list_reverse (entries);
 329 }
 330
 331 /* --------------------------------------------------------------------------------------------- */
 332
 333 static GList *
 334 create_options_menu (void)
 335 {
 336     GList *entries = NULL;
 337
 338     entries = g_list_prepend (entries, menu_entry_create (_("&Configuration..."), CK_Options));
 339     entries = g_list_prepend (entries, menu_entry_create (_("&Layout..."), CK_OptionsLayout));
 340     entries = g_list_prepend (entries, menu_entry_create (_("&Panel options..."), CK_OptionsPanel));
 341     entries =
 342         g_list_prepend (entries, menu_entry_create (_("C&onfirmation..."), CK_OptionsConfirm));
 343     entries =
 344         g_list_prepend (entries, menu_entry_create (_("&Appearance..."), CK_OptionsAppearance));
 345     entries =
 346         g_list_prepend (entries, menu_entry_create (_("&Display bits..."), CK_OptionsDisplayBits));
 347     entries = g_list_prepend (entries, menu_entry_create (_("Learn &keys..."), CK_LearnKeys));
 348 #ifdef ENABLE_VFS
 349     entries = g_list_prepend (entries, menu_entry_create (_("&Virtual FS..."), CK_OptionsVfs));
 350 #endif
 351     entries = g_list_prepend (entries, menu_separator_create ());
 352     entries = g_list_prepend (entries, menu_entry_create (_("&Save setup"), CK_SaveSetup));
 353
 354     return g_list_reverse (entries);
 355 }
 356
 357 /* --------------------------------------------------------------------------------------------- */
 358
 359 static void
 360 init_menu (void)
 361 {
 362     left_menu = create_menu ("", create_panel_menu (), "[Left and Right Menus]");
 363     menubar_add_menu (the_menubar, left_menu);
 364     menubar_add_menu (the_menubar, create_menu (_("&File"), create_file_menu (), "[File Menu]"));
 365     menubar_add_menu (the_menubar,
 366                       create_menu (_("&Command"), create_command_menu (), "[Command Menu]"));
 367     menubar_add_menu (the_menubar,
 368                       create_menu (_("&Options"), create_options_menu (), "[Options Menu]"));
 369     right_menu = create_menu ("", create_panel_menu (), "[Left and Right Menus]");
 370     menubar_add_menu (the_menubar, right_menu);
 371     update_menu ();
 372 }
 373
 374 /* --------------------------------------------------------------------------------------------- */
 375
 376 static void
 377 menu_last_selected_cmd (void)
 378 {
 379     menubar_activate (the_menubar, drop_menus, -1);
 380 }
 381
 382 /* --------------------------------------------------------------------------------------------- */
 383
 384 static void
 385 menu_cmd (void)
 386 {
 387     int selected;
 388
 389     if ((get_current_index () == 0) == (current_panel->active != 0))
 390         selected = 0;
 391     else
 392         selected = g_list_length (the_menubar->menu) - 1;
 393
 394     menubar_activate (the_menubar, drop_menus, selected);
 395 }
 396
 397 /* --------------------------------------------------------------------------------------------- */
 398
 399 static void
 400 sort_cmd (void)
 401 {
 402     WPanel *p;
 403     const panel_field_t *sort_order;
 404
 405     if (!SELECTED_IS_PANEL)
 406         return;
 407
 408     p = MENU_PANEL;
 409     sort_order = sort_box (&p->sort_info, p->sort_field);
 410     panel_set_sort_order (p, sort_order);
 411 }
 412
 413 /* --------------------------------------------------------------------------------------------- */
 414
 415 static char *
 416 midnight_get_shortcut (long command)
 417 {
 418     const char *ext_map;
 419     const char *shortcut = NULL;
 420
 421     shortcut = keybind_lookup_keymap_shortcut (main_map, command);
 422     if (shortcut != NULL)
 423         return g_strdup (shortcut);
 424
 425     shortcut = keybind_lookup_keymap_shortcut (panel_map, command);
 426     if (shortcut != NULL)
 427         return g_strdup (shortcut);
 428
 429     ext_map = keybind_lookup_keymap_shortcut (main_map, CK_ExtendedKeyMap);
 430     if (ext_map != NULL)
 431         shortcut = keybind_lookup_keymap_shortcut (main_x_map, command);
 432     if (shortcut != NULL)
 433         return g_strdup_printf ("%s %s", ext_map, shortcut);
 434
 435     return NULL;
 436 }
 437
 438 /* --------------------------------------------------------------------------------------------- */
 439
 440 static char *
 441 midnight_get_title (const WDialog * h, size_t len)
 442 {
 443     char *path;
 444     char *login;
 445     char *p;
 446
 447     (void) h;
 448
 449     title_path_prepare (&path, &login);
 450
 451     p = g_strdup_printf ("%s [%s]:%s", _("Panels:"), login, path);
 452     g_free (path);
 453     g_free (login);
 454     path = g_strdup (str_trunc (p, len - 4));
 455     g_free (p);
 456
 457     return path;
 458 }
 459
 460 /* --------------------------------------------------------------------------------------------- */
 461
 462 static void
 463 toggle_panels_split (void)
 464 {
 465     panels_layout.horizontal_split = !panels_layout.horizontal_split;
 466     layout_change ();
 467     do_refresh ();
 468 }
 469
 470 /* --------------------------------------------------------------------------------------------- */
 471
 472 #ifdef ENABLE_VFS
 473 /* event helper */
 474 static gboolean
 475 check_panel_timestamp (const WPanel * panel, panel_view_mode_t mode, struct vfs_class *vclass,
 476                        vfsid id)
 477 {
 478     if (mode == view_listing)
 479     {
 480         const vfs_path_element_t *path_element;
 481
 482         path_element = vfs_path_get_by_index (panel->cwd_vpath, -1);
 483
 484         if (path_element->class != vclass)
 485             return FALSE;
 486
 487         if (vfs_getid (panel->cwd_vpath) != id)
 488             return FALSE;
 489     }
 490     return TRUE;
 491 }
 492
 493 /* --------------------------------------------------------------------------------------------- */
 494
 495 /* event callback */
 496 static gboolean
 497 check_current_panel_timestamp (const gchar * event_group_name, const gchar * event_name,
 498                                gpointer init_data, gpointer data)
 499 {
 500     ev_vfs_stamp_create_t *event_data = (ev_vfs_stamp_create_t *) data;
 501
 502     (void) event_group_name;
 503     (void) event_name;
 504     (void) init_data;
 505
 506     event_data->ret =
 507         check_panel_timestamp (current_panel, get_current_type (), event_data->vclass,
 508                                event_data->id);
 509     return !event_data->ret;
 510 }
 511
 512 /* --------------------------------------------------------------------------------------------- */
 513
 514 /* event callback */
 515 static gboolean
 516 check_other_panel_timestamp (const gchar * event_group_name, const gchar * event_name,
 517                              gpointer init_data, gpointer data)
 518 {
 519     ev_vfs_stamp_create_t *event_data = (ev_vfs_stamp_create_t *) data;
 520
 521     (void) event_group_name;
 522     (void) event_name;
 523     (void) init_data;
 524
 525     event_data->ret =
 526         check_panel_timestamp (other_panel, get_other_type (), event_data->vclass, event_data->id);
 527     return !event_data->ret;
 528 }
 529 #endif /* ENABLE_VFS */
 530
 531 /* --------------------------------------------------------------------------------------------- */
 532
 533 /* event callback */
 534 static gboolean
 535 print_vfs_message (const gchar * event_group_name, const gchar * event_name,
 536                    gpointer init_data, gpointer data)
 537 {
 538     ev_vfs_print_message_t *event_data = (ev_vfs_print_message_t *) data;
 539
 540     (void) event_group_name;
 541     (void) event_name;
 542     (void) init_data;
 543
 544     if (mc_global.midnight_shutdown)
 545         goto ret;
 546
 547     if (!mc_global.message_visible || the_hint == NULL || WIDGET (the_hint)->owner == NULL)
 548     {
 549         int col, row;
 550
 551         if (!nice_rotating_dash || (ok_to_refresh <= 0))
 552             goto ret;
 553
 554         /* Preserve current cursor position */
 555         tty_getyx (&row, &col);
 556
 557         tty_gotoyx (0, 0);
 558         tty_setcolor (NORMAL_COLOR);
 559         tty_print_string (str_fit_to_term (event_data->msg, COLS - 1, J_LEFT));
 560
 561         /* Restore cursor position */
 562         tty_gotoyx (row, col);
 563         mc_refresh ();
 564         goto ret;
 565     }
 566
 567     if (mc_global.message_visible)
 568         set_hintbar (event_data->msg);
 569
 570   ret:
 571     MC_PTR_FREE (event_data->msg);
 572     return TRUE;
 573 }
 574
 575 /* --------------------------------------------------------------------------------------------- */
 576
 577 static void
 578 create_panels (void)
 579 {
 580     int current_index, other_index;
 581     panel_view_mode_t current_mode, other_mode;
 582     char *current_dir, *other_dir;
 583     vfs_path_t *original_dir;
 584
 585     /*
 586      * Following cases from command line are possible:
 587      * 'mc' (no arguments):            mc_run_param0 == NULL, mc_run_param1 == NULL
 588      *                                 active panel uses current directory
 589      *                                 passive panel uses "other_dir" from panels.ini
 590      *
 591      * 'mc dir1 dir2' (two arguments): mc_run_param0 != NULL, mc_run_param1 != NULL
 592      *                                 active panel uses mc_run_param0
 593      *                                 passive panel uses mc_run_param1
 594      *
 595      * 'mc dir1' (single argument):    mc_run_param0 != NULL, mc_run_param1 == NULL
 596      *                                 active panel uses mc_run_param0
 597      *                                 passive panel uses "other_dir" from panels.ini
 598      */
 599
 600     /* Set up panel directories */
 601     if (boot_current_is_left)
 602     {
 603         /* left panel is active */
 604         current_index = 0;
 605         other_index = 1;
 606         current_mode = startup_left_mode;
 607         other_mode = startup_right_mode;
 608
 609         if (mc_run_param0 == NULL && mc_run_param1 == NULL)
 610         {
 611             /* no arguments */
 612             current_dir = NULL; /* assume current dir */
 613             other_dir = saved_other_dir;        /* from ini */
 614         }
 615         else if (mc_run_param0 != NULL && mc_run_param1 != NULL)
 616         {
 617             /* two arguments */
 618             current_dir = (char *) mc_run_param0;
 619             other_dir = mc_run_param1;
 620         }
 621         else                    /* mc_run_param0 != NULL && mc_run_param1 == NULL */
 622         {
 623             /* one argument */
 624             current_dir = (char *) mc_run_param0;
 625             other_dir = saved_other_dir;        /* from ini */
 626         }
 627     }
 628     else
 629     {
 630         /* right panel is active */
 631         current_index = 1;
 632         other_index = 0;
 633         current_mode = startup_right_mode;
 634         other_mode = startup_left_mode;
 635
 636         if (mc_run_param0 == NULL && mc_run_param1 == NULL)
 637         {
 638             /* no arguments */
 639             current_dir = NULL; /* assume current dir */
 640             other_dir = saved_other_dir;        /* from ini */
 641         }
 642         else if (mc_run_param0 != NULL && mc_run_param1 != NULL)
 643         {
 644             /* two arguments */
 645             current_dir = (char *) mc_run_param0;
 646             other_dir = mc_run_param1;
 647         }
 648         else                    /* mc_run_param0 != NULL && mc_run_param1 == NULL */
 649         {
 650             /* one argument */
 651             current_dir = (char *) mc_run_param0;
 652             other_dir = saved_other_dir;        /* from ini */
 653         }
 654     }
 655
 656     /* 1. Get current dir */
 657     original_dir = vfs_path_clone (vfs_get_raw_current_dir ());
 658
 659     /* 2. Create passive panel */
 660     if (other_dir != NULL)
 661     {
 662         vfs_path_t *vpath;
 663
 664         if (g_path_is_absolute (other_dir))
 665             vpath = vfs_path_from_str (other_dir);
 666         else
 667             vpath = vfs_path_append_new (original_dir, other_dir, (char *) NULL);
 668         mc_chdir (vpath);
 669         vfs_path_free (vpath);
 670     }
 671     create_panel (other_index, other_mode);
 672
 673     /* 3. Create active panel */
 674     if (current_dir == NULL)
 675         mc_chdir (original_dir);
 676     else
 677     {
 678         vfs_path_t *vpath;
 679
 680         if (g_path_is_absolute (current_dir))
 681             vpath = vfs_path_from_str (current_dir);
 682         else
 683             vpath = vfs_path_append_new (original_dir, current_dir, (char *) NULL);
 684         mc_chdir (vpath);
 685         vfs_path_free (vpath);
 686     }
 687     create_panel (current_index, current_mode);
 688
 689     if (startup_left_mode == view_listing)
 690         current_panel = left_panel;
 691     else if (right_panel != NULL)
 692         current_panel = right_panel;
 693     else
 694         current_panel = left_panel;
 695
 696     vfs_path_free (original_dir);
 697
 698 #ifdef ENABLE_VFS
 699     mc_event_add (MCEVENT_GROUP_CORE, "vfs_timestamp", check_other_panel_timestamp, NULL, NULL);
 700     mc_event_add (MCEVENT_GROUP_CORE, "vfs_timestamp", check_current_panel_timestamp, NULL, NULL);
 701 #endif /* ENABLE_VFS */
 702
 703     mc_event_add (MCEVENT_GROUP_CORE, "vfs_print_message", print_vfs_message, NULL, NULL);
 704 }
 705
 706 /* --------------------------------------------------------------------------------------------- */
 707
 708 static void
 709 midnight_put_panel_path (WPanel * panel)
 710 {
 711     vfs_path_t *cwd_vpath;
 712     const char *cwd_vpath_str;
 713
 714     if (!command_prompt)
 715         return;
 716
 717 #ifdef HAVE_CHARSET
 718     cwd_vpath = remove_encoding_from_path (panel->cwd_vpath);
 719 #else
 720     cwd_vpath = vfs_path_clone (panel->cwd_vpath);
 721 #endif
 722
 723     cwd_vpath_str = vfs_path_as_str (cwd_vpath);
 724
 725     command_insert (cmdline, cwd_vpath_str, FALSE);
 726
 727     if (!IS_PATH_SEP (cwd_vpath_str[strlen (cwd_vpath_str) - 1]))
 728         command_insert (cmdline, PATH_SEP_STR, FALSE);
 729
 730     vfs_path_free (cwd_vpath);
 731 }
 732
 733 /* --------------------------------------------------------------------------------------------- */
 734
 735 static void
 736 put_link (WPanel * panel)
 737 {
 738     if (!command_prompt)
 739         return;
 740     if (S_ISLNK (selection (panel)->st.st_mode))
 741     {
 742         char buffer[MC_MAXPATHLEN];
 743         vfs_path_t *vpath;
 744         int i;
 745
 746         vpath = vfs_path_append_new (panel->cwd_vpath, selection (panel)->fname, (char *) NULL);
 747         i = mc_readlink (vpath, buffer, sizeof (buffer) - 1);
 748         vfs_path_free (vpath);
 749
 750         if (i > 0)
 751         {
 752             buffer[i] = '\0';
 753             command_insert (cmdline, buffer, TRUE);
 754         }
 755     }
 756 }
 757
 758 /* --------------------------------------------------------------------------------------------- */
 759
 760 static void
 761 put_current_link (void)
 762 {
 763     put_link (current_panel);
 764 }
 765
 766 /* --------------------------------------------------------------------------------------------- */
 767
 768 static void
 769 put_other_link (void)
 770 {
 771     if (get_other_type () == view_listing)
 772         put_link (other_panel);
 773 }
 774
 775 /* --------------------------------------------------------------------------------------------- */
 776
 777 /** Insert the selected file name into the input line */
 778 static void
 779 put_current_selected (void)
 780 {
 781     const char *tmp;
 782
 783     if (!command_prompt)
 784         return;
 785
 786     if (get_current_type () == view_tree)
 787     {
 788         WTree *tree;
 789         const vfs_path_t *selected_name;
 790
 791         tree = (WTree *) get_panel_widget (get_current_index ());
 792         selected_name = tree_selected_name (tree);
 793         tmp = vfs_path_as_str (selected_name);
 794     }
 795     else
 796         tmp = selection (current_panel)->fname;
 797
 798     command_insert (cmdline, tmp, TRUE);
 799 }
 800
 801 /* --------------------------------------------------------------------------------------------- */
 802
 803 static void
 804 put_tagged (WPanel * panel)
 805 {
 806     if (!command_prompt)
 807         return;
 808     input_disable_update (cmdline);
 809     if (panel->marked)
 810     {
 811         int i;
 812
 813         for (i = 0; i < panel->dir.len; i++)
 814         {
 815             if (panel->dir.list[i].f.marked)
 816                 command_insert (cmdline, panel->dir.list[i].fname, TRUE);
 817         }
 818     }
 819     else
 820     {
 821         command_insert (cmdline, panel->dir.list[panel->selected].fname, TRUE);
 822     }
 823     input_enable_update (cmdline);
 824 }
 825
 826 /* --------------------------------------------------------------------------------------------- */
 827
 828 static void
 829 put_current_tagged (void)
 830 {
 831     put_tagged (current_panel);
 832 }
 833
 834 /* --------------------------------------------------------------------------------------------- */
 835
 836 static void
 837 put_other_tagged (void)
 838 {
 839     if (get_other_type () == view_listing)
 840         put_tagged (other_panel);
 841 }
 842
 843 /* --------------------------------------------------------------------------------------------- */
 844
 845 static void
 846 ctl_x_cmd (void)
 847 {
 848     ctl_x_map_enabled = TRUE;
 849 }
 850
 851 /* --------------------------------------------------------------------------------------------- */
 852
 853 static void
 854 setup_mc (void)
 855 {
 856 #ifdef HAVE_SLANG
 857 #ifdef HAVE_CHARSET
 858     tty_display_8bit (TRUE);
 859 #else
 860     tty_display_8bit (mc_global.full_eight_bits);
 861 #endif /* HAVE_CHARSET */
 862
 863 #else /* HAVE_SLANG */
 864
 865 #ifdef HAVE_CHARSET
 866     tty_display_8bit (TRUE);
 867 #else
 868     tty_display_8bit (mc_global.eight_bit_clean);
 869 #endif /* HAVE_CHARSET */
 870 #endif /* HAVE_SLANG */
 871
 872 #ifdef ENABLE_SUBSHELL
 873     if (mc_global.tty.use_subshell)
 874         add_select_channel (mc_global.tty.subshell_pty, load_prompt, NULL);
 875 #endif /* !ENABLE_SUBSHELL */
 876
 877     if ((tty_baudrate () < 9600) || mc_global.tty.slow_terminal)
 878         verbose = FALSE;
 879 }
 880
 881 /* --------------------------------------------------------------------------------------------- */
 882
 883 static void
 884 setup_dummy_mc (void)
 885 {
 886     vfs_path_t *vpath;
 887     char *d;
 888     int ret;
 889
 890     d = _vfs_get_cwd ();
 891     setup_mc ();
 892     vpath = vfs_path_from_str (d);
 893     ret = mc_chdir (vpath);
 894     (void) ret;
 895     vfs_path_free (vpath);
 896     g_free (d);
 897 }
 898
 899 /* --------------------------------------------------------------------------------------------- */
 900
 901 static void
 902 done_mc (void)
 903 {
 904     /* Setup shutdown
 905      *
 906      * We sync the profiles since the hotlist may have changed, while
 907      * we only change the setup data if we have the auto save feature set
 908      */
 909
 910     save_setup (auto_save_setup, panels_options.auto_save_setup);
 911
 912     vfs_stamp_path (vfs_get_raw_current_dir ());
 913 }
 914
 915 /* --------------------------------------------------------------------------------------------- */
 916
 917 static void
 918 create_file_manager (void)
 919 {
 920     WGroup *g = GROUP (midnight_dlg);
 921
 922     midnight_dlg->get_shortcut = midnight_get_shortcut;
 923     midnight_dlg->get_title = midnight_get_title;
 924     /* allow rebind tab */
 925     widget_want_tab (WIDGET (midnight_dlg), TRUE);
 926
 927     the_menubar = menubar_new (NULL, menubar_visible);
 928     group_add_widget (g, the_menubar);
 929     init_menu ();
 930
 931     create_panels ();
 932     group_add_widget (g, get_panel_widget (0));
 933     group_add_widget (g, get_panel_widget (1));
 934
 935     the_hint = label_new (0, 0, 0);
 936     the_hint->transparent = TRUE;
 937     the_hint->auto_adjust_cols = 0;
 938     WIDGET (the_hint)->cols = COLS;
 939     group_add_widget (g, the_hint);
 940
 941     cmdline = command_new (0, 0, 0);
 942     group_add_widget (g, cmdline);
 943
 944     the_prompt = label_new (0, 0, mc_prompt);
 945     the_prompt->transparent = TRUE;
 946     group_add_widget (g, the_prompt);
 947
 948     the_bar = buttonbar_new (mc_global.keybar_visible);
 949     group_add_widget (g, the_bar);
 950     midnight_set_buttonbar (the_bar);
 951 }
 952
 953 /* --------------------------------------------------------------------------------------------- */
 954
 955 /** result must be free'd (I think this should go in util.c) */
 956 static vfs_path_t *
 957 prepend_cwd_on_local (const char *filename)
 958 {
 959     vfs_path_t *vpath;
 960
 961     vpath = vfs_path_from_str (filename);
 962     if (!vfs_file_is_local (vpath) || g_path_is_absolute (filename))
 963         return vpath;
 964
 965     vfs_path_free (vpath);
 966
 967     return vfs_path_append_new (vfs_get_raw_current_dir (), filename, (char *) NULL);
 968 }
 969
 970 /* --------------------------------------------------------------------------------------------- */
 971
 972 /** Invoke the internal view/edit routine with:
 973  * the default processing and forcing the internal viewer/editor
 974  */
 975 static gboolean
 976 mc_maybe_editor_or_viewer (void)
 977 {
 978     gboolean ret;
 979
 980     switch (mc_global.mc_run_mode)
 981     {
 982 #ifdef USE_INTERNAL_EDIT
 983     case MC_RUN_EDITOR:
 984         ret = edit_files ((GList *) mc_run_param0);
 985         break;
 986 #endif /* USE_INTERNAL_EDIT */
 987     case MC_RUN_VIEWER:
 988         {
 989             vfs_path_t *vpath = NULL;
 990
 991             if (mc_run_param0 != NULL && *(char *) mc_run_param0 != '\0')
 992                 vpath = prepend_cwd_on_local ((char *) mc_run_param0);
 993
 994             ret = view_file (vpath, FALSE, TRUE);
 995             vfs_path_free (vpath);
 996             break;
 997         }
 998 #ifdef USE_DIFF_VIEW
 999     case MC_RUN_DIFFVIEWER:
1000         ret = dview_diff_cmd (mc_run_param0, mc_run_param1);
1001         break;
1002 #endif /* USE_DIFF_VIEW */
1003     default:
1004         ret = FALSE;
1005     }
1006
1007     return ret;
1008 }
1009
1010 /* --------------------------------------------------------------------------------------------- */
1011
1012 static void
1013 show_editor_viewer_history (void)
1014 {
1015     char *s;
1016     int act;
1017
1018     s = show_file_history (WIDGET (midnight_dlg), &act);
1019     if (s != NULL)
1020     {
1021         vfs_path_t *s_vpath;
1022
1023         switch (act)
1024         {
1025         case CK_Edit:
1026             s_vpath = vfs_path_from_str (s);
1027             edit_file_at_line (s_vpath, use_internal_edit, 0);
1028             break;
1029
1030         case CK_View:
1031             s_vpath = vfs_path_from_str (s);
1032             view_file (s_vpath, use_internal_view, 0);
1033             break;
1034
1035         default:
1036             {
1037                 char *d;
1038
1039                 d = g_path_get_dirname (s);
1040                 s_vpath = vfs_path_from_str (d);
1041                 do_cd (s_vpath, cd_exact);
1042                 try_to_select (current_panel, s);
1043                 g_free (d);
1044             }
1045         }
1046
1047         g_free (s);
1048         vfs_path_free (s_vpath);
1049     }
1050 }
1051
1052 /* --------------------------------------------------------------------------------------------- */
1053
1054 static gboolean
1055 quit_cmd_internal (int quiet)
1056 {
1057     int q = quit;
1058     size_t n;
1059
1060     n = dialog_switch_num () - 1;
1061     if (n != 0)
1062     {
1063         char msg[BUF_MEDIUM];
1064
1065         g_snprintf (msg, sizeof (msg),
1066                     ngettext ("You have %zu opened screen. Quit anyway?",
1067                               "You have %zu opened screens. Quit anyway?", n), n);
1068
1069         if (query_dialog (_("The Midnight Commander"), msg, D_NORMAL, 2, _("&Yes"), _("&No")) != 0)
1070             return FALSE;
1071         q = 1;
1072     }
1073     else if (quiet || !confirm_exit)
1074         q = 1;
1075     else if (query_dialog (_("The Midnight Commander"),
1076                            _("Do you really want to quit the Midnight Commander?"),
1077                            D_NORMAL, 2, _("&Yes"), _("&No")) == 0)
1078         q = 1;
1079
1080     if (q != 0)
1081     {
1082 #ifdef ENABLE_SUBSHELL
1083         if (!mc_global.tty.use_subshell)
1084             stop_dialogs ();
1085         else if ((q = exit_subshell ()? 1 : 0) != 0)
1086 #endif
1087             stop_dialogs ();
1088     }
1089
1090     if (q != 0)
1091         quit |= 1;
1092     return (quit != 0);
1093 }
1094
1095 /* --------------------------------------------------------------------------------------------- */
1096
1097 static gboolean
1098 quit_cmd (void)
1099 {
1100     return quit_cmd_internal (0);
1101 }
1102
1103 /* --------------------------------------------------------------------------------------------- */
1104
1105 /**
1106  * Repaint the contents of the panels without frames.  To schedule panel
1107  * for repainting, set panel->dirty to 1.  There are many reasons why
1108  * the panels need to be repainted, and this is a costly operation, so
1109  * it's done once per event.
1110  */
1111
1112 static void
1113 update_dirty_panels (void)
1114 {
1115     if (get_current_type () == view_listing && current_panel->dirty)
1116         widget_draw (WIDGET (current_panel));
1117
1118     if (get_other_type () == view_listing && other_panel->dirty)
1119         widget_draw (WIDGET (other_panel));
1120 }
1121
1122 /* --------------------------------------------------------------------------------------------- */
1123
1124 static void
1125 toggle_show_hidden (void)
1126 {
1127     panels_options.show_dot_files = !panels_options.show_dot_files;
1128     update_panels (UP_RELOAD, UP_KEEPSEL);
1129     /* redraw panels forced */
1130     update_dirty_panels ();
1131 }
1132
1133 /* --------------------------------------------------------------------------------------------- */
1134
1135 static cb_ret_t
1136 midnight_execute_cmd (Widget * sender, long command)
1137 {
1138     cb_ret_t res = MSG_HANDLED;
1139
1140     (void) sender;
1141
1142     /* stop quick search before executing any command */
1143     send_message (current_panel, NULL, MSG_ACTION, CK_SearchStop, NULL);
1144
1145     switch (command)
1146     {
1147     case CK_ChangePanel:
1148         change_panel ();
1149         break;
1150     case CK_HotListAdd:
1151         add2hotlist_cmd ();
1152         break;
1153     case CK_SetupListingFormat:
1154         setup_listing_format_cmd ();
1155         break;
1156     case CK_ChangeMode:
1157         chmod_cmd ();
1158         break;
1159     case CK_ChangeOwn:
1160         chown_cmd ();
1161         break;
1162     case CK_ChangeOwnAdvanced:
1163         advanced_chown_cmd ();
1164         break;
1165     case CK_CompareDirs:
1166         compare_dirs_cmd ();
1167         break;
1168     case CK_Options:
1169         configure_box ();
1170         break;
1171 #ifdef ENABLE_VFS
1172     case CK_OptionsVfs:
1173         configure_vfs_box ();
1174         break;
1175 #endif
1176     case CK_OptionsConfirm:
1177         confirm_box ();
1178         break;
1179     case CK_Copy:
1180         copy_cmd ();
1181         break;
1182     case CK_PutCurrentPath:
1183         midnight_put_panel_path (current_panel);
1184         break;
1185     case CK_PutCurrentSelected:
1186         put_current_selected ();
1187         break;
1188     case CK_PutCurrentFullSelected:
1189         midnight_put_panel_path (current_panel);
1190         put_current_selected ();
1191         break;
1192     case CK_PutCurrentLink:
1193         put_current_link ();
1194         break;
1195     case CK_PutCurrentTagged:
1196         put_current_tagged ();
1197         break;
1198     case CK_PutOtherPath:
1199         if (get_other_type () == view_listing)
1200             midnight_put_panel_path (other_panel);
1201         break;
1202     case CK_PutOtherLink:
1203         put_other_link ();
1204         break;
1205     case CK_PutOtherTagged:
1206         put_other_tagged ();
1207         break;
1208     case CK_Delete:
1209         delete_cmd ();
1210         break;
1211     case CK_ScreenList:
1212         dialog_switch_list ();
1213         break;
1214 #ifdef USE_DIFF_VIEW
1215     case CK_CompareFiles:
1216         diff_view_cmd ();
1217         break;
1218 #endif
1219     case CK_OptionsDisplayBits:
1220         display_bits_box ();
1221         break;
1222     case CK_Edit:
1223         edit_cmd ();
1224         break;
1225 #ifdef USE_INTERNAL_EDIT
1226     case CK_EditForceInternal:
1227         edit_cmd_force_internal ();
1228         break;
1229 #endif
1230     case CK_EditExtensionsFile:
1231         ext_cmd ();
1232         break;
1233     case CK_EditFileHighlightFile:
1234         edit_fhl_cmd ();
1235         break;
1236     case CK_EditUserMenu:
1237         edit_mc_menu_cmd ();
1238         break;
1239     case CK_LinkSymbolicEdit:
1240         edit_symlink_cmd ();
1241         break;
1242     case CK_ExternalPanelize:
1243         external_panelize ();
1244         break;
1245     case CK_Filter:
1246         filter_cmd ();
1247         break;
1248     case CK_ViewFiltered:
1249         view_filtered_cmd ();
1250         break;
1251     case CK_Find:
1252         find_cmd ();
1253         break;
1254 #ifdef ENABLE_VFS_FISH
1255     case CK_ConnectFish:
1256         fishlink_cmd ();
1257         break;
1258 #endif
1259 #ifdef ENABLE_VFS_FTP
1260     case CK_ConnectFtp:
1261         ftplink_cmd ();
1262         break;
1263 #endif
1264 #ifdef ENABLE_VFS_SFTP
1265     case CK_ConnectSftp:
1266         sftplink_cmd ();
1267         break;
1268 #endif
1269 #ifdef ENABLE_VFS_SMB
1270     case CK_ConnectSmb:
1271         smblink_cmd ();
1272         break;
1273 #endif /* ENABLE_VFS_SMB */
1274     case CK_Panelize:
1275         cd_panelize_cmd ();
1276         break;
1277     case CK_Help:
1278         help_cmd ();
1279         break;
1280     case CK_History:
1281         /* show the history of command line widget */
1282         send_message (cmdline, NULL, MSG_ACTION, CK_History, NULL);
1283         break;
1284     case CK_PanelInfo:
1285         if (sender == WIDGET (the_menubar))
1286             info_cmd ();        /* menu */
1287         else
1288             info_cmd_no_menu ();        /* shortcut or buttonbar */
1289         break;
1290 #ifdef ENABLE_BACKGROUND
1291     case CK_Jobs:
1292         jobs_box ();
1293         break;
1294 #endif
1295     case CK_OptionsLayout:
1296         layout_box ();
1297         break;
1298     case CK_OptionsAppearance:
1299         appearance_box ();
1300         break;
1301     case CK_LearnKeys:
1302         learn_keys ();
1303         break;
1304     case CK_Link:
1305         link_cmd (LINK_HARDLINK);
1306         break;
1307     case CK_PanelListing:
1308         listing_cmd ();
1309         break;
1310 #ifdef LISTMODE_EDITOR
1311     case CK_ListMode:
1312         listmode_cmd ();
1313         break;
1314 #endif
1315     case CK_Menu:
1316         menu_cmd ();
1317         break;
1318     case CK_MenuLastSelected:
1319         menu_last_selected_cmd ();
1320         break;
1321     case CK_MakeDir:
1322         mkdir_cmd ();
1323         break;
1324     case CK_OptionsPanel:
1325         panel_options_box ();
1326         break;
1327 #ifdef HAVE_CHARSET
1328     case CK_SelectCodepage:
1329         encoding_cmd ();
1330         break;
1331 #endif
1332     case CK_CdQuick:
1333         quick_cd_cmd ();
1334         break;
1335     case CK_HotList:
1336         hotlist_cmd ();
1337         break;
1338     case CK_PanelQuickView:
1339         if (sender == WIDGET (the_menubar))
1340             quick_view_cmd ();  /* menu */
1341         else
1342             quick_cmd_no_menu ();       /* shortcut or buttonabr */
1343         break;
1344     case CK_QuitQuiet:
1345         quiet_quit_cmd ();
1346         break;
1347     case CK_Quit:
1348         quit_cmd ();
1349         break;
1350     case CK_LinkSymbolicRelative:
1351         link_cmd (LINK_SYMLINK_RELATIVE);
1352         break;
1353     case CK_Move:
1354         rename_cmd ();
1355         break;
1356     case CK_Reread:
1357         reread_cmd ();
1358         break;
1359 #ifdef ENABLE_VFS
1360     case CK_VfsList:
1361         vfs_list ();
1362         break;
1363 #endif
1364     case CK_SaveSetup:
1365         save_setup_cmd ();
1366         break;
1367     case CK_Select:
1368     case CK_Unselect:
1369     case CK_SelectInvert:
1370         res = send_message (current_panel, midnight_dlg, MSG_ACTION, command, NULL);
1371         break;
1372     case CK_Shell:
1373         toggle_subshell ();
1374         break;
1375     case CK_DirSize:
1376         smart_dirsize_cmd ();
1377         break;
1378     case CK_Sort:
1379         sort_cmd ();
1380         break;
1381     case CK_ExtendedKeyMap:
1382         ctl_x_cmd ();
1383         break;
1384     case CK_Suspend:
1385         mc_event_raise (MCEVENT_GROUP_CORE, "suspend", NULL);
1386         break;
1387     case CK_Swap:
1388         swap_cmd ();
1389         break;
1390     case CK_LinkSymbolic:
1391         link_cmd (LINK_SYMLINK_ABSOLUTE);
1392         break;
1393     case CK_ShowHidden:
1394         toggle_show_hidden ();
1395         break;
1396     case CK_SplitVertHoriz:
1397         toggle_panels_split ();
1398         break;
1399     case CK_SplitEqual:
1400         panels_split_equal ();
1401         break;
1402     case CK_SplitMore:
1403         panels_split_more ();
1404         break;
1405     case CK_SplitLess:
1406         panels_split_less ();
1407         break;
1408     case CK_PanelTree:
1409         panel_tree_cmd ();
1410         break;
1411     case CK_Tree:
1412         treebox_cmd ();
1413         break;
1414 #ifdef ENABLE_VFS_UNDELFS
1415     case CK_Undelete:
1416         undelete_cmd ();
1417         break;
1418 #endif
1419     case CK_UserMenu:
1420         user_file_menu_cmd ();
1421         break;
1422     case CK_View:
1423         view_cmd ();
1424         break;
1425     case CK_ViewFile:
1426         view_file_cmd ();
1427         break;
1428     case CK_EditorViewerHistory:
1429         show_editor_viewer_history ();
1430         break;
1431     case CK_Cancel:
1432         /* don't close panels due to SIGINT */
1433         break;
1434     default:
1435         res = MSG_NOT_HANDLED;
1436     }
1437
1438     return res;
1439 }
1440
1441 /* --------------------------------------------------------------------------------------------- */
1442
1443 /**
1444  * Whether the command-line should not respond to key events.
1445  *
1446  * This is TRUE if a QuickView or TreeView have the focus, as they're going
1447  * to consume some keys and there's no sense in passing to the command-line
1448  * just the leftovers.
1449  */
1450 static gboolean
1451 is_cmdline_mute (void)
1452 {
1453     /* When one of panels is other than view_listing,
1454        current_panel points to view_listing panel all time independently of
1455        it's activity. Thus, we can't use get_current_type() here.
1456        current_panel should point to actualy current active panel
1457        independently of it's type. */
1458     return (current_panel->active == 0
1459             && (get_other_type () == view_quick || get_other_type () == view_tree));
1460 }
1461
1462 /* --------------------------------------------------------------------------------------------- */
1463
1464 /**
1465  * Handles the Enter key on the command-line.
1466  *
1467  * Returns TRUE if non-whitespace was indeed processed.
1468  */
1469 static gboolean
1470 handle_cmdline_enter (void)
1471 {
1472     size_t i;
1473
1474     for (i = 0; cmdline->buffer[i] != '\0' && whitespace (cmdline->buffer[i]); i++)
1475         ;
1476
1477     if (cmdline->buffer[i] != '\0')
1478     {
1479         send_message (cmdline, NULL, MSG_KEY, '\n', NULL);
1480         return TRUE;
1481     }
1482
1483     input_insert (cmdline, "", FALSE);
1484     cmdline->point = 0;
1485
1486     return FALSE;
1487 }
1488
1489 /* --------------------------------------------------------------------------------------------- */
1490
1491 static cb_ret_t
1492 midnight_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
1493 {
1494     long command;
1495
1496     switch (msg)
1497     {
1498     case MSG_INIT:
1499         panel_init ();
1500         setup_panels ();
1501         return MSG_HANDLED;
1502
1503     case MSG_DRAW:
1504         load_hint (TRUE);
1505         /* We handle the special case of the output lines */
1506         if (mc_global.tty.console_flag != '\0' && output_lines != 0)
1507         {
1508             unsigned char end_line;
1509
1510             end_line = LINES - (mc_global.keybar_visible ? 1 : 0) - 1;
1511             show_console_contents (output_start_y, end_line - output_lines, end_line);
1512         }
1513         return MSG_HANDLED;
1514
1515     case MSG_RESIZE:
1516         widget_adjust_position (w->pos_flags, &w->y, &w->x, &w->lines, &w->cols);
1517         setup_panels ();
1518         menubar_arrange (the_menubar);
1519         return MSG_HANDLED;
1520
1521     case MSG_IDLE:
1522         /* We only need the first idle event to show user menu after start */
1523         widget_idle (w, FALSE);
1524
1525         if (boot_current_is_left)
1526             widget_select (get_panel_widget (0));
1527         else
1528             widget_select (get_panel_widget (1));
1529
1530         if (auto_menu)
1531             midnight_execute_cmd (NULL, CK_UserMenu);
1532         return MSG_HANDLED;
1533
1534     case MSG_KEY:
1535         if (ctl_x_map_enabled)
1536         {
1537             ctl_x_map_enabled = FALSE;
1538             command = keybind_lookup_keymap_command (main_x_map, parm);
1539             if (command != CK_IgnoreKey)
1540                 return midnight_execute_cmd (NULL, command);
1541         }
1542
1543         /* FIXME: should handle all menu shortcuts before this point */
1544         if (widget_get_state (WIDGET (the_menubar), WST_FOCUSED))
1545             return MSG_NOT_HANDLED;
1546
1547         if (parm == '\n' && !is_cmdline_mute ())
1548         {
1549             if (handle_cmdline_enter ())
1550                 return MSG_HANDLED;
1551             /* Else: the panel will handle it. */
1552         }
1553
1554         if ((!mc_global.tty.alternate_plus_minus
1555              || !(mc_global.tty.console_flag != '\0' || mc_global.tty.xterm_flag)) && !quote
1556             && !current_panel->searching)
1557         {
1558             if (!only_leading_plus_minus)
1559             {
1560                 /* Special treatement, since the input line will eat them */
1561                 if (parm == '+')
1562                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_Select, NULL);
1563
1564                 if (parm == '\\' || parm == '-')
1565                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_Unselect,
1566                                          NULL);
1567
1568                 if (parm == '*')
1569                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_SelectInvert,
1570                                          NULL);
1571             }
1572             else if (!command_prompt || input_is_empty (cmdline))
1573             {
1574                 /* Special treatement '+', '-', '\', '*' only when this is
1575                  * first char on input line
1576                  */
1577                 if (parm == '+')
1578                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_Select, NULL);
1579
1580                 if (parm == '\\' || parm == '-')
1581                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_Unselect,
1582                                          NULL);
1583
1584                 if (parm == '*')
1585                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_SelectInvert,
1586                                          NULL);
1587             }
1588         }
1589         return MSG_NOT_HANDLED;
1590
1591     case MSG_HOTKEY_HANDLED:
1592         if ((get_current_type () == view_listing) && current_panel->searching)
1593         {
1594             current_panel->dirty = 1;   /* FIXME: unneeded? */
1595             send_message (current_panel, NULL, MSG_ACTION, CK_SearchStop, NULL);
1596         }
1597         return MSG_HANDLED;
1598
1599     case MSG_UNHANDLED_KEY:
1600         {
1601             cb_ret_t v = MSG_NOT_HANDLED;
1602
1603             if (ctl_x_map_enabled)
1604             {
1605                 ctl_x_map_enabled = FALSE;
1606                 command = keybind_lookup_keymap_command (main_x_map, parm);
1607             }
1608             else
1609                 command = keybind_lookup_keymap_command (main_map, parm);
1610
1611             if (command != CK_IgnoreKey)
1612                 v = midnight_execute_cmd (NULL, command);
1613
1614             if (v == MSG_NOT_HANDLED && command_prompt && !is_cmdline_mute ())
1615                 v = send_message (cmdline, NULL, MSG_KEY, parm, NULL);
1616
1617             return v;
1618         }
1619
1620     case MSG_POST_KEY:
1621         if (!widget_get_state (WIDGET (the_menubar), WST_FOCUSED))
1622             update_dirty_panels ();
1623         return MSG_HANDLED;
1624
1625     case MSG_ACTION:
1626         /* Handle shortcuts, menu, and buttonbar. */
1627         return midnight_execute_cmd (sender, parm);
1628
1629     case MSG_END:
1630         panel_deinit ();
1631         return MSG_HANDLED;
1632
1633     default:
1634         return dlg_default_callback (w, sender, msg, parm, data);
1635     }
1636 }
1637
1638 /* --------------------------------------------------------------------------------------------- */
1639 /*** public functions ****************************************************************************/
1640 /* --------------------------------------------------------------------------------------------- */
1641
1642 void
1643 update_menu (void)
1644 {
1645     menu_set_name (left_menu, panels_layout.horizontal_split ? _("&Above") : _("&Left"));
1646     menu_set_name (right_menu, panels_layout.horizontal_split ? _("&Below") : _("&Right"));
1647     menubar_arrange (the_menubar);
1648     menubar_set_visible (the_menubar, menubar_visible);
1649 }
1650
1651 /* --------------------------------------------------------------------------------------------- */
1652
1653 void
1654 midnight_set_buttonbar (WButtonBar * b)
1655 {
1656     buttonbar_set_label (b, 1, Q_ ("ButtonBar|Help"), main_map, NULL);
1657     buttonbar_set_label (b, 2, Q_ ("ButtonBar|Menu"), main_map, NULL);
1658     buttonbar_set_label (b, 3, Q_ ("ButtonBar|View"), main_map, NULL);
1659     buttonbar_set_label (b, 4, Q_ ("ButtonBar|Edit"), main_map, NULL);
1660     buttonbar_set_label (b, 5, Q_ ("ButtonBar|Copy"), main_map, NULL);
1661     buttonbar_set_label (b, 6, Q_ ("ButtonBar|RenMov"), main_map, NULL);
1662     buttonbar_set_label (b, 7, Q_ ("ButtonBar|Mkdir"), main_map, NULL);
1663     buttonbar_set_label (b, 8, Q_ ("ButtonBar|Delete"), main_map, NULL);
1664     buttonbar_set_label (b, 9, Q_ ("ButtonBar|PullDn"), main_map, NULL);
1665     buttonbar_set_label (b, 10, Q_ ("ButtonBar|Quit"), main_map, NULL);
1666 }
1667
1668 /* --------------------------------------------------------------------------------------------- */
1669 /**
1670  * Return a random hint.  If force is TRUE, ignore the timeout.
1671  */
1672
1673 char *
1674 get_random_hint (gboolean force)
1675 {
1676     static const guint64 update_period = 60 * G_USEC_PER_SEC;
1677     static guint64 tv = 0;
1678
1679     char *data, *result = NULL, *eop;
1680     size_t len, start;
1681     GIConv conv;
1682
1683     /* Do not change hints more often than one minute */
1684     if (!force && !mc_time_elapsed (&tv, update_period))
1685         return g_strdup ("");
1686
1687     data = load_mc_home_file (mc_global.share_data_dir, MC_HINT, NULL, &len);
1688     if (data == NULL)
1689         return NULL;
1690
1691     /* get a random entry */
1692     srand ((unsigned int) (tv / G_USEC_PER_SEC));
1693     start = ((size_t) rand ()) % (len - 1);
1694
1695     /* Search the start of paragraph */
1696     for (; start != 0; start--)
1697         if (data[start] == '\n' && data[start + 1] == '\n')
1698         {
1699             start += 2;
1700             break;
1701         }
1702
1703     /* Search the end of paragraph */
1704     for (eop = data + start; *eop != '\0'; eop++)
1705     {
1706         if (*eop == '\n' && *(eop + 1) == '\n')
1707         {
1708             *eop = '\0';
1709             break;
1710         }
1711         if (*eop == '\n')
1712             *eop = ' ';
1713     }
1714
1715     /* hint files are stored in utf-8 */
1716     /* try convert hint file from utf-8 to terminal encoding */
1717     conv = str_crt_conv_from ("UTF-8");
1718     if (conv != INVALID_CONV)
1719     {
1720         GString *buffer;
1721
1722         buffer = g_string_sized_new (len - start);
1723         if (str_convert (conv, &data[start], buffer) != ESTR_FAILURE)
1724             result = g_string_free (buffer, FALSE);
1725         else
1726             g_string_free (buffer, TRUE);
1727         str_close_conv (conv);
1728     }
1729     else
1730         result = g_strndup (data + start, len - start);
1731
1732     g_free (data);
1733     return result;
1734 }
1735
1736
1737 /* --------------------------------------------------------------------------------------------- */
1738 /**
1739  * Load new hint and display it.
1740  * IF force is not 0, ignore the timeout.
1741  */
1742
1743 void
1744 load_hint (gboolean force)
1745 {
1746     char *hint;
1747
1748     if (WIDGET (the_hint)->owner == NULL)
1749         return;
1750
1751     if (!mc_global.message_visible)
1752     {
1753         label_set_text (the_hint, NULL);
1754         return;
1755     }
1756
1757     hint = get_random_hint (force);
1758
1759     if (hint != NULL)
1760     {
1761         if (*hint != '\0')
1762             set_hintbar (hint);
1763         g_free (hint);
1764     }
1765     else
1766     {
1767         char text[BUF_SMALL];
1768
1769         g_snprintf (text, sizeof (text), _("GNU Midnight Commander %s\n"), VERSION);
1770         set_hintbar (text);
1771     }
1772 }
1773
1774 /* --------------------------------------------------------------------------------------------- */
1775
1776 void
1777 change_panel (void)
1778 {
1779     input_free_completions (cmdline);
1780     group_select_next_widget (GROUP (midnight_dlg));
1781 }
1782
1783 /* --------------------------------------------------------------------------------------------- */
1784
1785 /** Save current stat of directories to avoid reloading the panels
1786  * when no modifications have taken place
1787  */
1788 void
1789 save_cwds_stat (void)
1790 {
1791     if (panels_options.fast_reload)
1792     {
1793         mc_stat (current_panel->cwd_vpath, &(current_panel->dir_stat));
1794         if (get_other_type () == view_listing)
1795             mc_stat (other_panel->cwd_vpath, &(other_panel->dir_stat));
1796     }
1797 }
1798
1799 /* --------------------------------------------------------------------------------------------- */
1800
1801 gboolean
1802 quiet_quit_cmd (void)
1803 {
1804     print_last_revert = TRUE;
1805     return quit_cmd_internal (1);
1806 }
1807
1808 /* --------------------------------------------------------------------------------------------- */
1809
1810 /** Run the main dialog that occupies the whole screen */
1811 gboolean
1812 do_nc (void)
1813 {
1814     gboolean ret;
1815
1816 #ifdef USE_INTERNAL_EDIT
1817     edit_stack_init ();
1818 #endif
1819
1820     midnight_dlg = dlg_create (FALSE, 0, 0, 1, 1, WPOS_FULLSCREEN, FALSE, dialog_colors,
1821                                midnight_callback, NULL, "[main]", NULL);
1822
1823     /* Check if we were invoked as an editor or file viewer */
1824     if (mc_global.mc_run_mode != MC_RUN_FULL)
1825     {
1826         setup_dummy_mc ();
1827         ret = mc_maybe_editor_or_viewer ();
1828     }
1829     else
1830     {
1831         /* We only need the first idle event to show user menu after start */
1832         widget_idle (WIDGET (midnight_dlg), TRUE);
1833
1834         setup_mc ();
1835         mc_filehighlight = mc_fhl_new (TRUE);
1836
1837         create_file_manager ();
1838         (void) dlg_run (midnight_dlg);
1839
1840         mc_fhl_free (&mc_filehighlight);
1841
1842         ret = TRUE;
1843
1844         /* dlg_destroy destroys even current_panel->cwd_vpath, so we have to save a copy :) */
1845         if (mc_args__last_wd_file != NULL && vfs_current_is_local ())
1846             last_wd_string = g_strdup (vfs_path_as_str (current_panel->cwd_vpath));
1847
1848         /* don't handle VFS timestamps for dirs opened in panels */
1849         mc_event_destroy (MCEVENT_GROUP_CORE, "vfs_timestamp");
1850
1851         dir_list_free_list (&panelized_panel.list);
1852     }
1853
1854     /* Program end */
1855     mc_global.midnight_shutdown = TRUE;
1856     dialog_switch_shutdown ();
1857     done_mc ();
1858     dlg_destroy (midnight_dlg);
1859     current_panel = NULL;
1860
1861 #ifdef USE_INTERNAL_EDIT
1862     edit_stack_free ();
1863 #endif
1864
1865     if ((quit & SUBSHELL_EXIT) == 0)
1866         clr_scr ();
1867
1868     return ret;
1869 }
1870
1871 /* --------------------------------------------------------------------------------------------- */