src/filemanager/midnight.c

   1 /*
   2    Main dialog (file panels) of the Midnight Commander
   3
   4    Copyright (C) 1994-2019
   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/setup.h"          /* variables */
  62 #include "src/learn.h"          /* learn_keys() */
  63 #include "src/keybind-defaults.h"
  64 #include "lib/keybind.h"
  65 #include "lib/event.h"
  66
  67 #include "tree.h"
  68 #include "boxes.h"              /* sort_box(), tree_box() */
  69 #include "layout.h"
  70 #include "cmd.h"                /* commands */
  71 #include "hotlist.h"
  72 #include "panelize.h"
  73 #include "command.h"            /* cmdline */
  74 #include "dir.h"                /* dir_list_clean() */
  75
  76 #include "chmod.h"
  77 #include "chown.h"
  78 #include "achown.h"
  79
  80 #ifdef USE_INTERNAL_EDIT
  81 #include "src/editor/edit.h"
  82 #endif
  83
  84 #ifdef USE_DIFF_VIEW
  85 #include "src/diffviewer/ydiff.h"
  86 #endif
  87
  88 #include "src/consaver/cons.saver.h"    /* show_console_contents */
  89
  90 #include "midnight.h"
  91
  92 /*** global variables ****************************************************************************/
  93
  94 /* When the modes are active, left_panel, right_panel and tree_panel */
  95 /* point to a proper data structure.  You should check with the functions */
  96 /* get_current_type and get_other_type the types of the panels before using */
  97 /* this pointer variables */
  98
  99 /* The structures for the panels */
 100 WPanel *left_panel = NULL;
 101 WPanel *right_panel = NULL;
 102 /* Pointer to the selected and unselected panel */
 103 WPanel *current_panel = NULL;
 104
 105 /* The Menubar */
 106 WMenuBar *the_menubar = NULL;
 107 /* The widget where we draw the prompt */
 108 WLabel *the_prompt;
 109 /* The hint bar */
 110 WLabel *the_hint;
 111 /* The button bar */
 112 WButtonBar *the_bar;
 113
 114 /* The prompt */
 115 const char *mc_prompt = NULL;
 116
 117 /*** file scope macro definitions ****************************************************************/
 118
 119 #ifdef HAVE_CHARSET
 120 /*
 121  * Don't restrict the output on the screen manager level,
 122  * the translation tables take care of it.
 123  */
 124 #endif /* !HAVE_CHARSET */
 125
 126 /*** file scope type declarations ****************************************************************/
 127
 128 /*** file scope variables ************************************************************************/
 129
 130 static menu_t *left_menu, *right_menu;
 131
 132 static gboolean ctl_x_map_enabled = FALSE;
 133
 134 /*** file scope functions ************************************************************************/
 135
 136 /** Stop MC main dialog and the current dialog if it exists.
 137   * Needed to provide fast exit from MC viewer or editor on shell exit */
 138 static void
 139 stop_dialogs (void)
 140 {
 141     dlg_stop (midnight_dlg);
 142
 143     if (top_dlg != NULL)
 144         dlg_stop (DIALOG (top_dlg->data));
 145 }
 146
 147 /* --------------------------------------------------------------------------------------------- */
 148
 149 static void
 150 treebox_cmd (void)
 151 {
 152     char *sel_dir;
 153
 154     sel_dir = tree_box (selection (current_panel)->fname);
 155     if (sel_dir != NULL)
 156     {
 157         vfs_path_t *sel_vdir;
 158
 159         sel_vdir = vfs_path_from_str (sel_dir);
 160         do_cd (sel_vdir, cd_exact);
 161         vfs_path_free (sel_vdir);
 162         g_free (sel_dir);
 163     }
 164 }
 165
 166 /* --------------------------------------------------------------------------------------------- */
 167
 168 #ifdef LISTMODE_EDITOR
 169 static void
 170 listmode_cmd (void)
 171 {
 172     char *newmode;
 173
 174     if (get_current_type () != view_listing)
 175         return;
 176
 177     newmode = listmode_edit (current_panel->user_format);
 178     if (!newmode)
 179         return;
 180
 181     g_free (current_panel->user_format);
 182     current_panel->list_format = list_user;
 183     current_panel->user_format = newmode;
 184     set_panel_formats (current_panel);
 185
 186     do_refresh ();
 187 }
 188 #endif /* LISTMODE_EDITOR */
 189
 190 /* --------------------------------------------------------------------------------------------- */
 191
 192 static GList *
 193 create_panel_menu (void)
 194 {
 195     GList *entries = NULL;
 196
 197     entries = g_list_prepend (entries, menu_entry_create (_("File listin&g"), CK_PanelListing));
 198     entries = g_list_prepend (entries, menu_entry_create (_("&Quick view"), CK_PanelQuickView));
 199     entries = g_list_prepend (entries, menu_entry_create (_("&Info"), CK_PanelInfo));
 200     entries = g_list_prepend (entries, menu_entry_create (_("&Tree"), CK_PanelTree));
 201     entries = g_list_prepend (entries, menu_separator_create ());
 202     entries =
 203         g_list_prepend (entries,
 204                         menu_entry_create (_("&Listing format..."), CK_SetupListingFormat));
 205     entries = g_list_prepend (entries, menu_entry_create (_("&Sort order..."), CK_Sort));
 206     entries = g_list_prepend (entries, menu_entry_create (_("&Filter..."), CK_Filter));
 207 #ifdef HAVE_CHARSET
 208     entries = g_list_prepend (entries, menu_entry_create (_("&Encoding..."), CK_SelectCodepage));
 209 #endif
 210     entries = g_list_prepend (entries, menu_separator_create ());
 211 #ifdef ENABLE_VFS_FTP
 212     entries = g_list_prepend (entries, menu_entry_create (_("FT&P link..."), CK_ConnectFtp));
 213 #endif
 214 #ifdef ENABLE_VFS_FISH
 215     entries = g_list_prepend (entries, menu_entry_create (_("S&hell link..."), CK_ConnectFish));
 216 #endif
 217 #ifdef ENABLE_VFS_SFTP
 218     entries = g_list_prepend (entries, menu_entry_create (_("S&FTP link..."), CK_ConnectSftp));
 219 #endif
 220 #ifdef ENABLE_VFS_SMB
 221     entries = g_list_prepend (entries, menu_entry_create (_("SM&B link..."), CK_ConnectSmb));
 222 #endif
 223     entries = g_list_prepend (entries, menu_entry_create (_("Paneli&ze"), CK_Panelize));
 224     entries = g_list_prepend (entries, menu_separator_create ());
 225     entries = g_list_prepend (entries, menu_entry_create (_("&Rescan"), CK_Reread));
 226
 227     return g_list_reverse (entries);
 228 }
 229
 230 /* --------------------------------------------------------------------------------------------- */
 231
 232 static GList *
 233 create_file_menu (void)
 234 {
 235     GList *entries = NULL;
 236
 237     entries = g_list_prepend (entries, menu_entry_create (_("&View"), CK_View));
 238     entries = g_list_prepend (entries, menu_entry_create (_("Vie&w file..."), CK_ViewFile));
 239     entries = g_list_prepend (entries, menu_entry_create (_("&Filtered view"), CK_ViewFiltered));
 240     entries = g_list_prepend (entries, menu_entry_create (_("&Edit"), CK_Edit));
 241     entries = g_list_prepend (entries, menu_entry_create (_("&Copy"), CK_Copy));
 242     entries = g_list_prepend (entries, menu_entry_create (_("C&hmod"), CK_ChangeMode));
 243     entries = g_list_prepend (entries, menu_entry_create (_("&Link"), CK_Link));
 244     entries = g_list_prepend (entries, menu_entry_create (_("&Symlink"), CK_LinkSymbolic));
 245     entries =
 246         g_list_prepend (entries,
 247                         menu_entry_create (_("Relative symlin&k"), CK_LinkSymbolicRelative));
 248     entries = g_list_prepend (entries, menu_entry_create (_("Edit s&ymlink"), CK_LinkSymbolicEdit));
 249     entries = g_list_prepend (entries, menu_entry_create (_("Ch&own"), CK_ChangeOwn));
 250     entries =
 251         g_list_prepend (entries, menu_entry_create (_("&Advanced chown"), CK_ChangeOwnAdvanced));
 252     entries = g_list_prepend (entries, menu_entry_create (_("&Rename/Move"), CK_Move));
 253     entries = g_list_prepend (entries, menu_entry_create (_("&Mkdir"), CK_MakeDir));
 254     entries = g_list_prepend (entries, menu_entry_create (_("&Delete"), CK_Delete));
 255     entries = g_list_prepend (entries, menu_entry_create (_("&Quick cd"), CK_CdQuick));
 256     entries = g_list_prepend (entries, menu_separator_create ());
 257     entries = g_list_prepend (entries, menu_entry_create (_("Select &group"), CK_Select));
 258     entries = g_list_prepend (entries, menu_entry_create (_("U&nselect group"), CK_Unselect));
 259     entries = g_list_prepend (entries, menu_entry_create (_("&Invert selection"), CK_SelectInvert));
 260     entries = g_list_prepend (entries, menu_separator_create ());
 261     entries = g_list_prepend (entries, menu_entry_create (_("E&xit"), CK_Quit));
 262
 263     return g_list_reverse (entries);
 264 }
 265
 266 /* --------------------------------------------------------------------------------------------- */
 267
 268 static GList *
 269 create_command_menu (void)
 270 {
 271     /* I know, I'm lazy, but the tree widget when it's not running
 272      * as a panel still has some problems, I have not yet finished
 273      * the WTree widget port, sorry.
 274      */
 275     GList *entries = NULL;
 276
 277     entries = g_list_prepend (entries, menu_entry_create (_("&User menu"), CK_UserMenu));
 278     entries = g_list_prepend (entries, menu_entry_create (_("&Directory tree"), CK_Tree));
 279     entries = g_list_prepend (entries, menu_entry_create (_("&Find file"), CK_Find));
 280     entries = g_list_prepend (entries, menu_entry_create (_("S&wap panels"), CK_Swap));
 281     entries = g_list_prepend (entries, menu_entry_create (_("Switch &panels on/off"), CK_Shell));
 282     entries =
 283         g_list_prepend (entries, menu_entry_create (_("&Compare directories"), CK_CompareDirs));
 284 #ifdef USE_DIFF_VIEW
 285     entries = g_list_prepend (entries, menu_entry_create (_("C&ompare files"), CK_CompareFiles));
 286 #endif
 287     entries =
 288         g_list_prepend (entries, menu_entry_create (_("E&xternal panelize"), CK_ExternalPanelize));
 289     entries = g_list_prepend (entries, menu_entry_create (_("Show directory s&izes"), CK_DirSize));
 290     entries = g_list_prepend (entries, menu_separator_create ());
 291     entries = g_list_prepend (entries, menu_entry_create (_("Command &history"), CK_History));
 292     entries = g_list_prepend (entries, menu_entry_create (_("Di&rectory hotlist"), CK_HotList));
 293 #ifdef ENABLE_VFS
 294     entries = g_list_prepend (entries, menu_entry_create (_("&Active VFS list"), CK_VfsList));
 295 #endif
 296 #ifdef ENABLE_BACKGROUND
 297     entries = g_list_prepend (entries, menu_entry_create (_("&Background jobs"), CK_Jobs));
 298 #endif
 299     entries = g_list_prepend (entries, menu_entry_create (_("Screen lis&t"), CK_ScreenList));
 300     entries = g_list_prepend (entries, menu_separator_create ());
 301 #ifdef ENABLE_VFS_UNDELFS
 302     entries =
 303         g_list_prepend (entries,
 304                         menu_entry_create (_("&Undelete files (ext2fs only)"), CK_Undelete));
 305 #endif
 306 #ifdef LISTMODE_EDITOR
 307     entries = g_list_prepend (entries, menu_entry_create (_("&Listing format edit"), CK_ListMode));
 308 #endif
 309 #if defined (ENABLE_VFS_UNDELFS) || defined (LISTMODE_EDITOR)
 310     entries = g_list_prepend (entries, menu_separator_create ());
 311 #endif
 312     entries =
 313         g_list_prepend (entries,
 314                         menu_entry_create (_("Edit &extension file"), CK_EditExtensionsFile));
 315     entries = g_list_prepend (entries, menu_entry_create (_("Edit &menu file"), CK_EditUserMenu));
 316     entries =
 317         g_list_prepend (entries,
 318                         menu_entry_create (_("Edit hi&ghlighting group file"),
 319                                            CK_EditFileHighlightFile));
 320
 321     return g_list_reverse (entries);
 322 }
 323
 324 /* --------------------------------------------------------------------------------------------- */
 325
 326 static GList *
 327 create_options_menu (void)
 328 {
 329     GList *entries = NULL;
 330
 331     entries = g_list_prepend (entries, menu_entry_create (_("&Configuration..."), CK_Options));
 332     entries = g_list_prepend (entries, menu_entry_create (_("&Layout..."), CK_OptionsLayout));
 333     entries = g_list_prepend (entries, menu_entry_create (_("&Panel options..."), CK_OptionsPanel));
 334     entries =
 335         g_list_prepend (entries, menu_entry_create (_("C&onfirmation..."), CK_OptionsConfirm));
 336     entries =
 337         g_list_prepend (entries, menu_entry_create (_("&Appearance..."), CK_OptionsAppearance));
 338     entries =
 339         g_list_prepend (entries, menu_entry_create (_("&Display bits..."), CK_OptionsDisplayBits));
 340     entries = g_list_prepend (entries, menu_entry_create (_("Learn &keys..."), CK_LearnKeys));
 341 #ifdef ENABLE_VFS
 342     entries = g_list_prepend (entries, menu_entry_create (_("&Virtual FS..."), CK_OptionsVfs));
 343 #endif
 344     entries = g_list_prepend (entries, menu_separator_create ());
 345     entries = g_list_prepend (entries, menu_entry_create (_("&Save setup"), CK_SaveSetup));
 346
 347     return g_list_reverse (entries);
 348 }
 349
 350 /* --------------------------------------------------------------------------------------------- */
 351
 352 static void
 353 init_menu (void)
 354 {
 355     left_menu = create_menu ("", create_panel_menu (), "[Left and Right Menus]");
 356     menubar_add_menu (the_menubar, left_menu);
 357     menubar_add_menu (the_menubar, create_menu (_("&File"), create_file_menu (), "[File Menu]"));
 358     menubar_add_menu (the_menubar,
 359                       create_menu (_("&Command"), create_command_menu (), "[Command Menu]"));
 360     menubar_add_menu (the_menubar,
 361                       create_menu (_("&Options"), create_options_menu (), "[Options Menu]"));
 362     right_menu = create_menu ("", create_panel_menu (), "[Left and Right Menus]");
 363     menubar_add_menu (the_menubar, right_menu);
 364     update_menu ();
 365 }
 366
 367 /* --------------------------------------------------------------------------------------------- */
 368
 369 static void
 370 menu_last_selected_cmd (void)
 371 {
 372     menubar_activate (the_menubar, drop_menus, -1);
 373 }
 374
 375 /* --------------------------------------------------------------------------------------------- */
 376
 377 static void
 378 menu_cmd (void)
 379 {
 380     int selected;
 381
 382     if ((get_current_index () == 0) == (current_panel->active != 0))
 383         selected = 0;
 384     else
 385         selected = g_list_length (the_menubar->menu) - 1;
 386
 387     menubar_activate (the_menubar, drop_menus, selected);
 388 }
 389
 390 /* --------------------------------------------------------------------------------------------- */
 391
 392 static void
 393 sort_cmd (void)
 394 {
 395     WPanel *p;
 396     const panel_field_t *sort_order;
 397
 398     if (!SELECTED_IS_PANEL)
 399         return;
 400
 401     p = MENU_PANEL;
 402     sort_order = sort_box (&p->sort_info, p->sort_field);
 403     panel_set_sort_order (p, sort_order);
 404 }
 405
 406 /* --------------------------------------------------------------------------------------------- */
 407
 408 static char *
 409 midnight_get_shortcut (long command)
 410 {
 411     const char *ext_map;
 412     const char *shortcut = NULL;
 413
 414     shortcut = keybind_lookup_keymap_shortcut (main_map, command);
 415     if (shortcut != NULL)
 416         return g_strdup (shortcut);
 417
 418     shortcut = keybind_lookup_keymap_shortcut (panel_map, command);
 419     if (shortcut != NULL)
 420         return g_strdup (shortcut);
 421
 422     ext_map = keybind_lookup_keymap_shortcut (main_map, CK_ExtendedKeyMap);
 423     if (ext_map != NULL)
 424         shortcut = keybind_lookup_keymap_shortcut (main_x_map, command);
 425     if (shortcut != NULL)
 426         return g_strdup_printf ("%s %s", ext_map, shortcut);
 427
 428     return NULL;
 429 }
 430
 431 /* --------------------------------------------------------------------------------------------- */
 432
 433 static char *
 434 midnight_get_title (const WDialog * h, size_t len)
 435 {
 436     char *path;
 437     char *login;
 438     char *p;
 439
 440     (void) h;
 441
 442     title_path_prepare (&path, &login);
 443
 444     p = g_strdup_printf ("%s [%s]:%s", _("Panels:"), login, path);
 445     g_free (path);
 446     g_free (login);
 447     path = g_strdup (str_trunc (p, len - 4));
 448     g_free (p);
 449
 450     return path;
 451 }
 452
 453 /* --------------------------------------------------------------------------------------------- */
 454
 455 static void
 456 toggle_panels_split (void)
 457 {
 458     panels_layout.horizontal_split = !panels_layout.horizontal_split;
 459     layout_change ();
 460     do_refresh ();
 461 }
 462
 463 /* --------------------------------------------------------------------------------------------- */
 464
 465 #ifdef ENABLE_VFS
 466 /* event helper */
 467 static gboolean
 468 check_panel_timestamp (const WPanel * panel, panel_view_mode_t mode, struct vfs_class *vclass,
 469                        vfsid id)
 470 {
 471     if (mode == view_listing)
 472     {
 473         const vfs_path_element_t *path_element;
 474
 475         path_element = vfs_path_get_by_index (panel->cwd_vpath, -1);
 476
 477         if (path_element->class != vclass)
 478             return FALSE;
 479
 480         if (vfs_getid (panel->cwd_vpath) != id)
 481             return FALSE;
 482     }
 483     return TRUE;
 484 }
 485
 486 /* --------------------------------------------------------------------------------------------- */
 487
 488 /* event callback */
 489 static gboolean
 490 check_current_panel_timestamp (const gchar * event_group_name, const gchar * event_name,
 491                                gpointer init_data, gpointer data)
 492 {
 493     ev_vfs_stamp_create_t *event_data = (ev_vfs_stamp_create_t *) data;
 494
 495     (void) event_group_name;
 496     (void) event_name;
 497     (void) init_data;
 498
 499     event_data->ret =
 500         check_panel_timestamp (current_panel, get_current_type (), event_data->vclass,
 501                                event_data->id);
 502     return !event_data->ret;
 503 }
 504
 505 /* --------------------------------------------------------------------------------------------- */
 506
 507 /* event callback */
 508 static gboolean
 509 check_other_panel_timestamp (const gchar * event_group_name, const gchar * event_name,
 510                              gpointer init_data, gpointer data)
 511 {
 512     ev_vfs_stamp_create_t *event_data = (ev_vfs_stamp_create_t *) data;
 513
 514     (void) event_group_name;
 515     (void) event_name;
 516     (void) init_data;
 517
 518     event_data->ret =
 519         check_panel_timestamp (other_panel, get_other_type (), event_data->vclass, event_data->id);
 520     return !event_data->ret;
 521 }
 522 #endif /* ENABLE_VFS */
 523
 524 /* --------------------------------------------------------------------------------------------- */
 525
 526 /* event callback */
 527 static gboolean
 528 print_vfs_message (const gchar * event_group_name, const gchar * event_name,
 529                    gpointer init_data, gpointer data)
 530 {
 531     ev_vfs_print_message_t *event_data = (ev_vfs_print_message_t *) data;
 532
 533     (void) event_group_name;
 534     (void) event_name;
 535     (void) init_data;
 536
 537     if (mc_global.midnight_shutdown)
 538         goto ret;
 539
 540     if (!mc_global.message_visible || the_hint == NULL || WIDGET (the_hint)->owner == NULL)
 541     {
 542         int col, row;
 543
 544         if (!nice_rotating_dash || (ok_to_refresh <= 0))
 545             goto ret;
 546
 547         /* Preserve current cursor position */
 548         tty_getyx (&row, &col);
 549
 550         tty_gotoyx (0, 0);
 551         tty_setcolor (NORMAL_COLOR);
 552         tty_print_string (str_fit_to_term (event_data->msg, COLS - 1, J_LEFT));
 553
 554         /* Restore cursor position */
 555         tty_gotoyx (row, col);
 556         mc_refresh ();
 557         goto ret;
 558     }
 559
 560     if (mc_global.message_visible)
 561         set_hintbar (event_data->msg);
 562
 563   ret:
 564     MC_PTR_FREE (event_data->msg);
 565     return TRUE;
 566 }
 567
 568 /* --------------------------------------------------------------------------------------------- */
 569
 570 static void
 571 create_panels (void)
 572 {
 573     int current_index, other_index;
 574     panel_view_mode_t current_mode, other_mode;
 575     char *current_dir, *other_dir;
 576     vfs_path_t *original_dir;
 577
 578     /*
 579      * Following cases from command line are possible:
 580      * 'mc' (no arguments):            mc_run_param0 == NULL, mc_run_param1 == NULL
 581      *                                 active panel uses current directory
 582      *                                 passive panel uses "other_dir" from panels.ini
 583      *
 584      * 'mc dir1 dir2' (two arguments): mc_run_param0 != NULL, mc_run_param1 != NULL
 585      *                                 active panel uses mc_run_param0
 586      *                                 passive panel uses mc_run_param1
 587      *
 588      * 'mc dir1' (single argument):    mc_run_param0 != NULL, mc_run_param1 == NULL
 589      *                                 active panel uses mc_run_param0
 590      *                                 passive panel uses "other_dir" from panels.ini
 591      */
 592
 593     /* Set up panel directories */
 594     if (boot_current_is_left)
 595     {
 596         /* left panel is active */
 597         current_index = 0;
 598         other_index = 1;
 599         current_mode = startup_left_mode;
 600         other_mode = startup_right_mode;
 601
 602         if (mc_run_param0 == NULL && mc_run_param1 == NULL)
 603         {
 604             /* no arguments */
 605             current_dir = NULL; /* assume current dir */
 606             other_dir = saved_other_dir;        /* from ini */
 607         }
 608         else if (mc_run_param0 != NULL && mc_run_param1 != NULL)
 609         {
 610             /* two arguments */
 611             current_dir = (char *) mc_run_param0;
 612             other_dir = mc_run_param1;
 613         }
 614         else                    /* mc_run_param0 != NULL && mc_run_param1 == NULL */
 615         {
 616             /* one argument */
 617             current_dir = (char *) mc_run_param0;
 618             other_dir = saved_other_dir;        /* from ini */
 619         }
 620     }
 621     else
 622     {
 623         /* right panel is active */
 624         current_index = 1;
 625         other_index = 0;
 626         current_mode = startup_right_mode;
 627         other_mode = startup_left_mode;
 628
 629         if (mc_run_param0 == NULL && mc_run_param1 == NULL)
 630         {
 631             /* no arguments */
 632             current_dir = NULL; /* assume current dir */
 633             other_dir = saved_other_dir;        /* from ini */
 634         }
 635         else if (mc_run_param0 != NULL && mc_run_param1 != NULL)
 636         {
 637             /* two arguments */
 638             current_dir = (char *) mc_run_param0;
 639             other_dir = mc_run_param1;
 640         }
 641         else                    /* mc_run_param0 != NULL && mc_run_param1 == NULL */
 642         {
 643             /* one argument */
 644             current_dir = (char *) mc_run_param0;
 645             other_dir = saved_other_dir;        /* from ini */
 646         }
 647     }
 648
 649     /* 1. Get current dir */
 650     original_dir = vfs_path_clone (vfs_get_raw_current_dir ());
 651
 652     /* 2. Create passive panel */
 653     if (other_dir != NULL)
 654     {
 655         vfs_path_t *vpath;
 656
 657         if (g_path_is_absolute (other_dir))
 658             vpath = vfs_path_from_str (other_dir);
 659         else
 660             vpath = vfs_path_append_new (original_dir, other_dir, (char *) NULL);
 661         mc_chdir (vpath);
 662         vfs_path_free (vpath);
 663     }
 664     create_panel (other_index, other_mode);
 665
 666     /* 3. Create active panel */
 667     if (current_dir == NULL)
 668         mc_chdir (original_dir);
 669     else
 670     {
 671         vfs_path_t *vpath;
 672
 673         if (g_path_is_absolute (current_dir))
 674             vpath = vfs_path_from_str (current_dir);
 675         else
 676             vpath = vfs_path_append_new (original_dir, current_dir, (char *) NULL);
 677         mc_chdir (vpath);
 678         vfs_path_free (vpath);
 679     }
 680     create_panel (current_index, current_mode);
 681
 682     if (startup_left_mode == view_listing)
 683         current_panel = left_panel;
 684     else if (right_panel != NULL)
 685         current_panel = right_panel;
 686     else
 687         current_panel = left_panel;
 688
 689     vfs_path_free (original_dir);
 690
 691 #ifdef ENABLE_VFS
 692     mc_event_add (MCEVENT_GROUP_CORE, "vfs_timestamp", check_other_panel_timestamp, NULL, NULL);
 693     mc_event_add (MCEVENT_GROUP_CORE, "vfs_timestamp", check_current_panel_timestamp, NULL, NULL);
 694 #endif /* ENABLE_VFS */
 695
 696     mc_event_add (MCEVENT_GROUP_CORE, "vfs_print_message", print_vfs_message, NULL, NULL);
 697 }
 698
 699 /* --------------------------------------------------------------------------------------------- */
 700
 701 static void
 702 midnight_put_panel_path (WPanel * panel)
 703 {
 704     vfs_path_t *cwd_vpath;
 705     const char *cwd_vpath_str;
 706
 707     if (!command_prompt)
 708         return;
 709
 710 #ifdef HAVE_CHARSET
 711     cwd_vpath = remove_encoding_from_path (panel->cwd_vpath);
 712 #else
 713     cwd_vpath = vfs_path_clone (panel->cwd_vpath);
 714 #endif
 715
 716     cwd_vpath_str = vfs_path_as_str (cwd_vpath);
 717
 718     command_insert (cmdline, cwd_vpath_str, FALSE);
 719
 720     if (!IS_PATH_SEP (cwd_vpath_str[strlen (cwd_vpath_str) - 1]))
 721         command_insert (cmdline, PATH_SEP_STR, FALSE);
 722
 723     vfs_path_free (cwd_vpath);
 724 }
 725
 726 /* --------------------------------------------------------------------------------------------- */
 727
 728 static void
 729 put_link (WPanel * panel)
 730 {
 731     if (!command_prompt)
 732         return;
 733     if (S_ISLNK (selection (panel)->st.st_mode))
 734     {
 735         char buffer[MC_MAXPATHLEN];
 736         vfs_path_t *vpath;
 737         int i;
 738
 739         vpath = vfs_path_append_new (panel->cwd_vpath, selection (panel)->fname, (char *) NULL);
 740         i = mc_readlink (vpath, buffer, sizeof (buffer) - 1);
 741         vfs_path_free (vpath);
 742
 743         if (i > 0)
 744         {
 745             buffer[i] = '\0';
 746             command_insert (cmdline, buffer, TRUE);
 747         }
 748     }
 749 }
 750
 751 /* --------------------------------------------------------------------------------------------- */
 752
 753 static void
 754 put_current_link (void)
 755 {
 756     put_link (current_panel);
 757 }
 758
 759 /* --------------------------------------------------------------------------------------------- */
 760
 761 static void
 762 put_other_link (void)
 763 {
 764     if (get_other_type () == view_listing)
 765         put_link (other_panel);
 766 }
 767
 768 /* --------------------------------------------------------------------------------------------- */
 769
 770 /** Insert the selected file name into the input line */
 771 static void
 772 put_current_selected (void)
 773 {
 774     const char *tmp;
 775
 776     if (!command_prompt)
 777         return;
 778
 779     if (get_current_type () == view_tree)
 780     {
 781         WTree *tree;
 782         const vfs_path_t *selected_name;
 783
 784         tree = (WTree *) get_panel_widget (get_current_index ());
 785         selected_name = tree_selected_name (tree);
 786         tmp = vfs_path_as_str (selected_name);
 787     }
 788     else
 789         tmp = selection (current_panel)->fname;
 790
 791     command_insert (cmdline, tmp, TRUE);
 792 }
 793
 794 /* --------------------------------------------------------------------------------------------- */
 795
 796 static void
 797 put_tagged (WPanel * panel)
 798 {
 799     if (!command_prompt)
 800         return;
 801     input_disable_update (cmdline);
 802     if (panel->marked)
 803     {
 804         int i;
 805
 806         for (i = 0; i < panel->dir.len; i++)
 807         {
 808             if (panel->dir.list[i].f.marked)
 809                 command_insert (cmdline, panel->dir.list[i].fname, TRUE);
 810         }
 811     }
 812     else
 813     {
 814         command_insert (cmdline, panel->dir.list[panel->selected].fname, TRUE);
 815     }
 816     input_enable_update (cmdline);
 817 }
 818
 819 /* --------------------------------------------------------------------------------------------- */
 820
 821 static void
 822 put_current_tagged (void)
 823 {
 824     put_tagged (current_panel);
 825 }
 826
 827 /* --------------------------------------------------------------------------------------------- */
 828
 829 static void
 830 put_other_tagged (void)
 831 {
 832     if (get_other_type () == view_listing)
 833         put_tagged (other_panel);
 834 }
 835
 836 /* --------------------------------------------------------------------------------------------- */
 837
 838 static void
 839 ctl_x_cmd (void)
 840 {
 841     ctl_x_map_enabled = TRUE;
 842 }
 843
 844 /* --------------------------------------------------------------------------------------------- */
 845
 846 static void
 847 setup_mc (void)
 848 {
 849 #ifdef HAVE_SLANG
 850 #ifdef HAVE_CHARSET
 851     tty_display_8bit (TRUE);
 852 #else
 853     tty_display_8bit (mc_global.full_eight_bits);
 854 #endif /* HAVE_CHARSET */
 855
 856 #else /* HAVE_SLANG */
 857
 858 #ifdef HAVE_CHARSET
 859     tty_display_8bit (TRUE);
 860 #else
 861     tty_display_8bit (mc_global.eight_bit_clean);
 862 #endif /* HAVE_CHARSET */
 863 #endif /* HAVE_SLANG */
 864
 865 #ifdef ENABLE_SUBSHELL
 866     if (mc_global.tty.use_subshell)
 867         add_select_channel (mc_global.tty.subshell_pty, load_prompt, NULL);
 868 #endif /* !ENABLE_SUBSHELL */
 869
 870     if ((tty_baudrate () < 9600) || mc_global.tty.slow_terminal)
 871         verbose = FALSE;
 872 }
 873
 874 /* --------------------------------------------------------------------------------------------- */
 875
 876 static void
 877 setup_dummy_mc (void)
 878 {
 879     vfs_path_t *vpath;
 880     char *d;
 881     int ret;
 882
 883     d = _vfs_get_cwd ();
 884     setup_mc ();
 885     vpath = vfs_path_from_str (d);
 886     ret = mc_chdir (vpath);
 887     (void) ret;
 888     vfs_path_free (vpath);
 889     g_free (d);
 890 }
 891
 892 /* --------------------------------------------------------------------------------------------- */
 893
 894 static void
 895 done_mc (void)
 896 {
 897     /* Setup shutdown
 898      *
 899      * We sync the profiles since the hotlist may have changed, while
 900      * we only change the setup data if we have the auto save feature set
 901      */
 902
 903     save_setup (auto_save_setup, panels_options.auto_save_setup);
 904
 905     vfs_stamp_path (vfs_get_raw_current_dir ());
 906 }
 907
 908 /* --------------------------------------------------------------------------------------------- */
 909
 910 static void
 911 create_file_manager (void)
 912 {
 913     midnight_dlg->get_shortcut = midnight_get_shortcut;
 914     midnight_dlg->get_title = midnight_get_title;
 915     /* allow rebind tab */
 916     widget_want_tab (WIDGET (midnight_dlg), TRUE);
 917
 918     the_menubar = menubar_new (0, 0, COLS, NULL, menubar_visible);
 919     add_widget (midnight_dlg, the_menubar);
 920     init_menu ();
 921
 922     create_panels ();
 923     add_widget (midnight_dlg, get_panel_widget (0));
 924     add_widget (midnight_dlg, get_panel_widget (1));
 925
 926     the_hint = label_new (0, 0, 0);
 927     the_hint->transparent = 1;
 928     the_hint->auto_adjust_cols = 0;
 929     WIDGET (the_hint)->cols = COLS;
 930     add_widget (midnight_dlg, the_hint);
 931
 932     cmdline = command_new (0, 0, 0);
 933     add_widget (midnight_dlg, cmdline);
 934
 935     the_prompt = label_new (0, 0, mc_prompt);
 936     the_prompt->transparent = TRUE;
 937     add_widget (midnight_dlg, the_prompt);
 938
 939     the_bar = buttonbar_new (mc_global.keybar_visible);
 940     add_widget (midnight_dlg, the_bar);
 941     midnight_set_buttonbar (the_bar);
 942 }
 943
 944 /* --------------------------------------------------------------------------------------------- */
 945
 946 /** result must be free'd (I think this should go in util.c) */
 947 static vfs_path_t *
 948 prepend_cwd_on_local (const char *filename)
 949 {
 950     vfs_path_t *vpath;
 951
 952     vpath = vfs_path_from_str (filename);
 953     if (!vfs_file_is_local (vpath) || g_path_is_absolute (filename))
 954         return vpath;
 955
 956     vfs_path_free (vpath);
 957
 958     return vfs_path_append_new (vfs_get_raw_current_dir (), filename, (char *) NULL);
 959 }
 960
 961 /* --------------------------------------------------------------------------------------------- */
 962
 963 /** Invoke the internal view/edit routine with:
 964  * the default processing and forcing the internal viewer/editor
 965  */
 966 static gboolean
 967 mc_maybe_editor_or_viewer (void)
 968 {
 969     gboolean ret;
 970
 971     switch (mc_global.mc_run_mode)
 972     {
 973 #ifdef USE_INTERNAL_EDIT
 974     case MC_RUN_EDITOR:
 975         ret = edit_files ((GList *) mc_run_param0);
 976         break;
 977 #endif /* USE_INTERNAL_EDIT */
 978     case MC_RUN_VIEWER:
 979         {
 980             vfs_path_t *vpath = NULL;
 981
 982             if (mc_run_param0 != NULL && *(char *) mc_run_param0 != '\0')
 983                 vpath = prepend_cwd_on_local ((char *) mc_run_param0);
 984
 985             ret = view_file (vpath, FALSE, TRUE);
 986             vfs_path_free (vpath);
 987             break;
 988         }
 989 #ifdef USE_DIFF_VIEW
 990     case MC_RUN_DIFFVIEWER:
 991         ret = dview_diff_cmd (mc_run_param0, mc_run_param1);
 992         break;
 993 #endif /* USE_DIFF_VIEW */
 994     default:
 995         ret = FALSE;
 996     }
 997
 998     return ret;
 999 }
1000
1001 /* --------------------------------------------------------------------------------------------- */
1002
1003 static gboolean
1004 quit_cmd_internal (int quiet)
1005 {
1006     int q = quit;
1007     size_t n;
1008
1009     n = dialog_switch_num () - 1;
1010     if (n != 0)
1011     {
1012         char msg[BUF_MEDIUM];
1013
1014         g_snprintf (msg, sizeof (msg),
1015                     ngettext ("You have %zu opened screen. Quit anyway?",
1016                               "You have %zu opened screens. Quit anyway?", n), n);
1017
1018         if (query_dialog (_("The Midnight Commander"), msg, D_NORMAL, 2, _("&Yes"), _("&No")) != 0)
1019             return FALSE;
1020         q = 1;
1021     }
1022     else if (quiet || !confirm_exit)
1023         q = 1;
1024     else if (query_dialog (_("The Midnight Commander"),
1025                            _("Do you really want to quit the Midnight Commander?"),
1026                            D_NORMAL, 2, _("&Yes"), _("&No")) == 0)
1027         q = 1;
1028
1029     if (q != 0)
1030     {
1031 #ifdef ENABLE_SUBSHELL
1032         if (!mc_global.tty.use_subshell)
1033             stop_dialogs ();
1034         else if ((q = exit_subshell ()? 1 : 0) != 0)
1035 #endif
1036             stop_dialogs ();
1037     }
1038
1039     if (q != 0)
1040         quit |= 1;
1041     return (quit != 0);
1042 }
1043
1044 /* --------------------------------------------------------------------------------------------- */
1045
1046 static gboolean
1047 quit_cmd (void)
1048 {
1049     return quit_cmd_internal (0);
1050 }
1051
1052 /* --------------------------------------------------------------------------------------------- */
1053
1054 /**
1055  * Repaint the contents of the panels without frames.  To schedule panel
1056  * for repainting, set panel->dirty to 1.  There are many reasons why
1057  * the panels need to be repainted, and this is a costly operation, so
1058  * it's done once per event.
1059  */
1060
1061 static void
1062 update_dirty_panels (void)
1063 {
1064     if (get_current_type () == view_listing && current_panel->dirty)
1065         widget_redraw (WIDGET (current_panel));
1066
1067     if (get_other_type () == view_listing && other_panel->dirty)
1068         widget_redraw (WIDGET (other_panel));
1069 }
1070
1071 /* --------------------------------------------------------------------------------------------- */
1072
1073 static void
1074 toggle_show_hidden (void)
1075 {
1076     panels_options.show_dot_files = !panels_options.show_dot_files;
1077     update_panels (UP_RELOAD, UP_KEEPSEL);
1078     /* redraw panels forced */
1079     update_dirty_panels ();
1080 }
1081
1082 /* --------------------------------------------------------------------------------------------- */
1083
1084 static cb_ret_t
1085 midnight_execute_cmd (Widget * sender, long command)
1086 {
1087     cb_ret_t res = MSG_HANDLED;
1088
1089     (void) sender;
1090
1091     /* stop quick search before executing any command */
1092     send_message (current_panel, NULL, MSG_ACTION, CK_SearchStop, NULL);
1093
1094     switch (command)
1095     {
1096     case CK_ChangePanel:
1097         change_panel ();
1098         break;
1099     case CK_HotListAdd:
1100         add2hotlist_cmd ();
1101         break;
1102     case CK_SetupListingFormat:
1103         setup_listing_format_cmd ();
1104         break;
1105     case CK_ChangeMode:
1106         chmod_cmd ();
1107         break;
1108     case CK_ChangeOwn:
1109         chown_cmd ();
1110         break;
1111     case CK_ChangeOwnAdvanced:
1112         advanced_chown_cmd ();
1113         break;
1114     case CK_CompareDirs:
1115         compare_dirs_cmd ();
1116         break;
1117     case CK_Options:
1118         configure_box ();
1119         break;
1120 #ifdef ENABLE_VFS
1121     case CK_OptionsVfs:
1122         configure_vfs ();
1123         break;
1124 #endif
1125     case CK_OptionsConfirm:
1126         confirm_box ();
1127         break;
1128     case CK_Copy:
1129         copy_cmd ();
1130         break;
1131     case CK_PutCurrentPath:
1132         midnight_put_panel_path (current_panel);
1133         break;
1134     case CK_PutCurrentSelected:
1135         put_current_selected ();
1136         break;
1137     case CK_PutCurrentFullSelected:
1138         midnight_put_panel_path (current_panel);
1139         put_current_selected ();
1140         break;
1141     case CK_PutCurrentLink:
1142         put_current_link ();
1143         break;
1144     case CK_PutCurrentTagged:
1145         put_current_tagged ();
1146         break;
1147     case CK_PutOtherPath:
1148         if (get_other_type () == view_listing)
1149             midnight_put_panel_path (other_panel);
1150         break;
1151     case CK_PutOtherLink:
1152         put_other_link ();
1153         break;
1154     case CK_PutOtherTagged:
1155         put_other_tagged ();
1156         break;
1157     case CK_Delete:
1158         delete_cmd ();
1159         break;
1160     case CK_ScreenList:
1161         dialog_switch_list ();
1162         break;
1163 #ifdef USE_DIFF_VIEW
1164     case CK_CompareFiles:
1165         diff_view_cmd ();
1166         break;
1167 #endif
1168     case CK_OptionsDisplayBits:
1169         display_bits_box ();
1170         break;
1171     case CK_Edit:
1172         edit_cmd ();
1173         break;
1174 #ifdef USE_INTERNAL_EDIT
1175     case CK_EditForceInternal:
1176         edit_cmd_force_internal ();
1177         break;
1178 #endif
1179     case CK_EditExtensionsFile:
1180         ext_cmd ();
1181         break;
1182     case CK_EditFileHighlightFile:
1183         edit_fhl_cmd ();
1184         break;
1185     case CK_EditUserMenu:
1186         edit_mc_menu_cmd ();
1187         break;
1188     case CK_LinkSymbolicEdit:
1189         edit_symlink_cmd ();
1190         break;
1191     case CK_ExternalPanelize:
1192         external_panelize ();
1193         break;
1194     case CK_Filter:
1195         filter_cmd ();
1196         break;
1197     case CK_ViewFiltered:
1198         view_filtered_cmd ();
1199         break;
1200     case CK_Find:
1201         find_cmd ();
1202         break;
1203 #ifdef ENABLE_VFS_FISH
1204     case CK_ConnectFish:
1205         fishlink_cmd ();
1206         break;
1207 #endif
1208 #ifdef ENABLE_VFS_FTP
1209     case CK_ConnectFtp:
1210         ftplink_cmd ();
1211         break;
1212 #endif
1213 #ifdef ENABLE_VFS_SFTP
1214     case CK_ConnectSftp:
1215         sftplink_cmd ();
1216         break;
1217 #endif
1218 #ifdef ENABLE_VFS_SMB
1219     case CK_ConnectSmb:
1220         smblink_cmd ();
1221         break;
1222 #endif /* ENABLE_VFS_SMB */
1223     case CK_Panelize:
1224         cd_panelize_cmd ();
1225         break;
1226     case CK_Help:
1227         help_cmd ();
1228         break;
1229     case CK_History:
1230         /* show the history of command line widget */
1231         send_message (cmdline, NULL, MSG_ACTION, CK_History, NULL);
1232         break;
1233     case CK_PanelInfo:
1234         if (sender == WIDGET (the_menubar))
1235             info_cmd ();        /* menu */
1236         else
1237             info_cmd_no_menu ();        /* shortcut or buttonbar */
1238         break;
1239 #ifdef ENABLE_BACKGROUND
1240     case CK_Jobs:
1241         jobs_cmd ();
1242         break;
1243 #endif
1244     case CK_OptionsLayout:
1245         layout_box ();
1246         break;
1247     case CK_OptionsAppearance:
1248         appearance_box ();
1249         break;
1250     case CK_LearnKeys:
1251         learn_keys ();
1252         break;
1253     case CK_Link:
1254         link_cmd (LINK_HARDLINK);
1255         break;
1256     case CK_PanelListing:
1257         listing_cmd ();
1258         break;
1259 #ifdef LISTMODE_EDITOR
1260     case CK_ListMode:
1261         listmode_cmd ();
1262         break;
1263 #endif
1264     case CK_Menu:
1265         menu_cmd ();
1266         break;
1267     case CK_MenuLastSelected:
1268         menu_last_selected_cmd ();
1269         break;
1270     case CK_MakeDir:
1271         mkdir_cmd ();
1272         break;
1273     case CK_OptionsPanel:
1274         panel_options_box ();
1275         break;
1276 #ifdef HAVE_CHARSET
1277     case CK_SelectCodepage:
1278         encoding_cmd ();
1279         break;
1280 #endif
1281     case CK_CdQuick:
1282         quick_cd_cmd ();
1283         break;
1284     case CK_HotList:
1285         hotlist_cmd ();
1286         break;
1287     case CK_PanelQuickView:
1288         if (sender == WIDGET (the_menubar))
1289             quick_view_cmd ();  /* menu */
1290         else
1291             quick_cmd_no_menu ();       /* shortcut or buttonabr */
1292         break;
1293     case CK_QuitQuiet:
1294         quiet_quit_cmd ();
1295         break;
1296     case CK_Quit:
1297         quit_cmd ();
1298         break;
1299     case CK_LinkSymbolicRelative:
1300         link_cmd (LINK_SYMLINK_RELATIVE);
1301         break;
1302     case CK_Move:
1303         rename_cmd ();
1304         break;
1305     case CK_Reread:
1306         reread_cmd ();
1307         break;
1308 #ifdef ENABLE_VFS
1309     case CK_VfsList:
1310         vfs_list ();
1311         break;
1312 #endif
1313     case CK_SaveSetup:
1314         save_setup_cmd ();
1315         break;
1316     case CK_Select:
1317     case CK_Unselect:
1318     case CK_SelectInvert:
1319         res = send_message (current_panel, midnight_dlg, MSG_ACTION, command, NULL);
1320         break;
1321     case CK_Shell:
1322         view_other_cmd ();
1323         break;
1324     case CK_DirSize:
1325         smart_dirsize_cmd ();
1326         break;
1327     case CK_Sort:
1328         sort_cmd ();
1329         break;
1330     case CK_ExtendedKeyMap:
1331         ctl_x_cmd ();
1332         break;
1333     case CK_Suspend:
1334         mc_event_raise (MCEVENT_GROUP_CORE, "suspend", NULL);
1335         break;
1336     case CK_Swap:
1337         swap_cmd ();
1338         break;
1339     case CK_LinkSymbolic:
1340         link_cmd (LINK_SYMLINK_ABSOLUTE);
1341         break;
1342     case CK_ShowHidden:
1343         toggle_show_hidden ();
1344         break;
1345     case CK_SplitVertHoriz:
1346         toggle_panels_split ();
1347         break;
1348     case CK_SplitEqual:
1349         panels_split_equal ();
1350         break;
1351     case CK_SplitMore:
1352         panels_split_more ();
1353         break;
1354     case CK_SplitLess:
1355         panels_split_less ();
1356         break;
1357     case CK_PanelTree:
1358         panel_tree_cmd ();
1359         break;
1360     case CK_Tree:
1361         treebox_cmd ();
1362         break;
1363 #ifdef ENABLE_VFS_UNDELFS
1364     case CK_Undelete:
1365         undelete_cmd ();
1366         break;
1367 #endif
1368     case CK_UserMenu:
1369         user_file_menu_cmd ();
1370         break;
1371     case CK_View:
1372         view_cmd ();
1373         break;
1374     case CK_ViewFile:
1375         view_file_cmd ();
1376         break;
1377     case CK_Cancel:
1378         /* don't close panels due to SIGINT */
1379         break;
1380     default:
1381         res = MSG_NOT_HANDLED;
1382     }
1383
1384     return res;
1385 }
1386
1387 /* --------------------------------------------------------------------------------------------- */
1388
1389 /**
1390  * Whether the command-line should not respond to key events.
1391  *
1392  * This is TRUE if a QuickView or TreeView have the focus, as they're going
1393  * to consume some keys and there's no sense in passing to the command-line
1394  * just the leftovers.
1395  */
1396 static gboolean
1397 is_cmdline_mute (void)
1398 {
1399     /* When one of panels is other than view_listing,
1400        current_panel points to view_listing panel all time independently of
1401        it's activity. Thus, we can't use get_current_type() here.
1402        current_panel should point to actualy current active panel
1403        independently of it's type. */
1404     return (current_panel->active == 0
1405             && (get_other_type () == view_quick || get_other_type () == view_tree));
1406 }
1407
1408 /* --------------------------------------------------------------------------------------------- */
1409
1410 /**
1411  * Handles the Enter key on the command-line.
1412  *
1413  * Returns TRUE if non-whitespace was indeed processed.
1414  */
1415 static gboolean
1416 handle_cmdline_enter (void)
1417 {
1418     size_t i;
1419
1420     for (i = 0; cmdline->buffer[i] != '\0' && whitespace (cmdline->buffer[i]); i++)
1421         ;
1422
1423     if (cmdline->buffer[i] != '\0')
1424     {
1425         send_message (cmdline, NULL, MSG_KEY, '\n', NULL);
1426         return TRUE;
1427     }
1428
1429     input_insert (cmdline, "", FALSE);
1430     cmdline->point = 0;
1431
1432     return FALSE;
1433 }
1434
1435 /* --------------------------------------------------------------------------------------------- */
1436
1437 static cb_ret_t
1438 midnight_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
1439 {
1440     long command;
1441
1442     switch (msg)
1443     {
1444     case MSG_INIT:
1445         panel_init ();
1446         setup_panels ();
1447         return MSG_HANDLED;
1448
1449     case MSG_DRAW:
1450         load_hint (TRUE);
1451         /* We handle the special case of the output lines */
1452         if (mc_global.tty.console_flag != '\0' && output_lines)
1453             show_console_contents (output_start_y,
1454                                    LINES - output_lines - mc_global.keybar_visible -
1455                                    1, LINES - mc_global.keybar_visible - 1);
1456         return MSG_HANDLED;
1457
1458     case MSG_RESIZE:
1459         /* dlg_set_size() is surplus for this case */
1460         w->lines = LINES;
1461         w->cols = COLS;
1462         setup_panels ();
1463         menubar_arrange (the_menubar);
1464         return MSG_HANDLED;
1465
1466     case MSG_IDLE:
1467         /* We only need the first idle event to show user menu after start */
1468         widget_idle (w, FALSE);
1469
1470         if (boot_current_is_left)
1471             widget_select (get_panel_widget (0));
1472         else
1473             widget_select (get_panel_widget (1));
1474
1475         if (auto_menu)
1476             midnight_execute_cmd (NULL, CK_UserMenu);
1477         return MSG_HANDLED;
1478
1479     case MSG_KEY:
1480         if (ctl_x_map_enabled)
1481         {
1482             ctl_x_map_enabled = FALSE;
1483             command = keybind_lookup_keymap_command (main_x_map, parm);
1484             if (command != CK_IgnoreKey)
1485                 return midnight_execute_cmd (NULL, command);
1486         }
1487
1488         /* FIXME: should handle all menu shortcuts before this point */
1489         if (widget_get_state (WIDGET (the_menubar), WST_FOCUSED))
1490             return MSG_NOT_HANDLED;
1491
1492         if (parm == '\n' && !is_cmdline_mute ())
1493         {
1494             if (handle_cmdline_enter ())
1495                 return MSG_HANDLED;
1496             /* Else: the panel will handle it. */
1497         }
1498
1499         if ((!mc_global.tty.alternate_plus_minus
1500              || !(mc_global.tty.console_flag != '\0' || mc_global.tty.xterm_flag)) && !quote
1501             && !current_panel->searching)
1502         {
1503             if (!only_leading_plus_minus)
1504             {
1505                 /* Special treatement, since the input line will eat them */
1506                 if (parm == '+')
1507                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_Select, NULL);
1508
1509                 if (parm == '\\' || parm == '-')
1510                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_Unselect,
1511                                          NULL);
1512
1513                 if (parm == '*')
1514                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_SelectInvert,
1515                                          NULL);
1516             }
1517             else if (!command_prompt || input_is_empty (cmdline))
1518             {
1519                 /* Special treatement '+', '-', '\', '*' only when this is
1520                  * first char on input line
1521                  */
1522                 if (parm == '+')
1523                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_Select, NULL);
1524
1525                 if (parm == '\\' || parm == '-')
1526                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_Unselect,
1527                                          NULL);
1528
1529                 if (parm == '*')
1530                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_SelectInvert,
1531                                          NULL);
1532             }
1533         }
1534         return MSG_NOT_HANDLED;
1535
1536     case MSG_HOTKEY_HANDLED:
1537         if ((get_current_type () == view_listing) && current_panel->searching)
1538         {
1539             current_panel->dirty = 1;   /* FIXME: unneeded? */
1540             send_message (current_panel, NULL, MSG_ACTION, CK_SearchStop, NULL);
1541         }
1542         return MSG_HANDLED;
1543
1544     case MSG_UNHANDLED_KEY:
1545         {
1546             cb_ret_t v = MSG_NOT_HANDLED;
1547
1548             if (ctl_x_map_enabled)
1549             {
1550                 ctl_x_map_enabled = FALSE;
1551                 command = keybind_lookup_keymap_command (main_x_map, parm);
1552             }
1553             else
1554                 command = keybind_lookup_keymap_command (main_map, parm);
1555
1556             if (command != CK_IgnoreKey)
1557                 v = midnight_execute_cmd (NULL, command);
1558
1559             if (v == MSG_NOT_HANDLED && command_prompt && !is_cmdline_mute ())
1560                 v = send_message (cmdline, NULL, MSG_KEY, parm, NULL);
1561
1562             return v;
1563         }
1564
1565     case MSG_POST_KEY:
1566         if (!widget_get_state (WIDGET (the_menubar), WST_FOCUSED))
1567             update_dirty_panels ();
1568         return MSG_HANDLED;
1569
1570     case MSG_ACTION:
1571         /* Handle shortcuts, menu, and buttonbar. */
1572         return midnight_execute_cmd (sender, parm);
1573
1574     case MSG_END:
1575         panel_deinit ();
1576         return MSG_HANDLED;
1577
1578     default:
1579         return dlg_default_callback (w, sender, msg, parm, data);
1580     }
1581 }
1582
1583 /* --------------------------------------------------------------------------------------------- */
1584 /*** public functions ****************************************************************************/
1585 /* --------------------------------------------------------------------------------------------- */
1586
1587 void
1588 update_menu (void)
1589 {
1590     menu_set_name (left_menu, panels_layout.horizontal_split ? _("&Above") : _("&Left"));
1591     menu_set_name (right_menu, panels_layout.horizontal_split ? _("&Below") : _("&Right"));
1592     menubar_arrange (the_menubar);
1593     menubar_set_visible (the_menubar, menubar_visible);
1594 }
1595
1596 /* --------------------------------------------------------------------------------------------- */
1597
1598 void
1599 midnight_set_buttonbar (WButtonBar * b)
1600 {
1601     buttonbar_set_label (b, 1, Q_ ("ButtonBar|Help"), main_map, NULL);
1602     buttonbar_set_label (b, 2, Q_ ("ButtonBar|Menu"), main_map, NULL);
1603     buttonbar_set_label (b, 3, Q_ ("ButtonBar|View"), main_map, NULL);
1604     buttonbar_set_label (b, 4, Q_ ("ButtonBar|Edit"), main_map, NULL);
1605     buttonbar_set_label (b, 5, Q_ ("ButtonBar|Copy"), main_map, NULL);
1606     buttonbar_set_label (b, 6, Q_ ("ButtonBar|RenMov"), main_map, NULL);
1607     buttonbar_set_label (b, 7, Q_ ("ButtonBar|Mkdir"), main_map, NULL);
1608     buttonbar_set_label (b, 8, Q_ ("ButtonBar|Delete"), main_map, NULL);
1609     buttonbar_set_label (b, 9, Q_ ("ButtonBar|PullDn"), main_map, NULL);
1610     buttonbar_set_label (b, 10, Q_ ("ButtonBar|Quit"), main_map, NULL);
1611 }
1612
1613 /* --------------------------------------------------------------------------------------------- */
1614 /**
1615  * Return a random hint.  If force is TRUE, ignore the timeout.
1616  */
1617
1618 char *
1619 get_random_hint (gboolean force)
1620 {
1621     static const guint64 update_period = 60 * G_USEC_PER_SEC;
1622     static guint64 tv = 0;
1623
1624     char *data, *result = NULL, *eop;
1625     size_t len, start;
1626     GIConv conv;
1627
1628     /* Do not change hints more often than one minute */
1629     if (!force && !mc_time_elapsed (&tv, update_period))
1630         return g_strdup ("");
1631
1632     data = load_mc_home_file (mc_global.share_data_dir, MC_HINT, NULL, &len);
1633     if (data == NULL)
1634         return NULL;
1635
1636     /* get a random entry */
1637     srand ((unsigned int) (tv / G_USEC_PER_SEC));
1638     start = ((size_t) rand ()) % (len - 1);
1639
1640     /* Search the start of paragraph */
1641     for (; start != 0; start--)
1642         if (data[start] == '\n' && data[start + 1] == '\n')
1643         {
1644             start += 2;
1645             break;
1646         }
1647
1648     /* Search the end of paragraph */
1649     for (eop = data + start; *eop != '\0'; eop++)
1650     {
1651         if (*eop == '\n' && *(eop + 1) == '\n')
1652         {
1653             *eop = '\0';
1654             break;
1655         }
1656         if (*eop == '\n')
1657             *eop = ' ';
1658     }
1659
1660     /* hint files are stored in utf-8 */
1661     /* try convert hint file from utf-8 to terminal encoding */
1662     conv = str_crt_conv_from ("UTF-8");
1663     if (conv != INVALID_CONV)
1664     {
1665         GString *buffer;
1666
1667         buffer = g_string_sized_new (len - start);
1668         if (str_convert (conv, &data[start], buffer) != ESTR_FAILURE)
1669             result = g_string_free (buffer, FALSE);
1670         else
1671             g_string_free (buffer, TRUE);
1672         str_close_conv (conv);
1673     }
1674     else
1675         result = g_strndup (data + start, len - start);
1676
1677     g_free (data);
1678     return result;
1679 }
1680
1681
1682 /* --------------------------------------------------------------------------------------------- */
1683 /**
1684  * Load new hint and display it.
1685  * IF force is not 0, ignore the timeout.
1686  */
1687
1688 void
1689 load_hint (gboolean force)
1690 {
1691     char *hint;
1692
1693     if (WIDGET (the_hint)->owner == NULL)
1694         return;
1695
1696     if (!mc_global.message_visible)
1697     {
1698         label_set_text (the_hint, NULL);
1699         return;
1700     }
1701
1702     hint = get_random_hint (force);
1703
1704     if (hint != NULL)
1705     {
1706         if (*hint != '\0')
1707             set_hintbar (hint);
1708         g_free (hint);
1709     }
1710     else
1711     {
1712         char text[BUF_SMALL];
1713
1714         g_snprintf (text, sizeof (text), _("GNU Midnight Commander %s\n"), VERSION);
1715         set_hintbar (text);
1716     }
1717 }
1718
1719 /* --------------------------------------------------------------------------------------------- */
1720
1721 void
1722 change_panel (void)
1723 {
1724     input_free_completions (cmdline);
1725     dlg_select_next_widget (midnight_dlg);
1726 }
1727
1728 /* --------------------------------------------------------------------------------------------- */
1729
1730 /** Save current stat of directories to avoid reloading the panels
1731  * when no modifications have taken place
1732  */
1733 void
1734 save_cwds_stat (void)
1735 {
1736     if (panels_options.fast_reload)
1737     {
1738         mc_stat (current_panel->cwd_vpath, &(current_panel->dir_stat));
1739         if (get_other_type () == view_listing)
1740             mc_stat (other_panel->cwd_vpath, &(other_panel->dir_stat));
1741     }
1742 }
1743
1744 /* --------------------------------------------------------------------------------------------- */
1745
1746 gboolean
1747 quiet_quit_cmd (void)
1748 {
1749     print_last_revert = TRUE;
1750     return quit_cmd_internal (1);
1751 }
1752
1753 /* --------------------------------------------------------------------------------------------- */
1754
1755 /** Run the main dialog that occupies the whole screen */
1756 gboolean
1757 do_nc (void)
1758 {
1759     gboolean ret;
1760
1761 #ifdef USE_INTERNAL_EDIT
1762     edit_stack_init ();
1763 #endif
1764
1765     midnight_dlg = dlg_create (FALSE, 0, 0, 1, 1, WPOS_FULLSCREEN, FALSE, dialog_colors,
1766                                midnight_callback, NULL, "[main]", NULL);
1767
1768     /* Check if we were invoked as an editor or file viewer */
1769     if (mc_global.mc_run_mode != MC_RUN_FULL)
1770     {
1771         setup_dummy_mc ();
1772         ret = mc_maybe_editor_or_viewer ();
1773     }
1774     else
1775     {
1776         /* We only need the first idle event to show user menu after start */
1777         widget_idle (WIDGET (midnight_dlg), TRUE);
1778
1779         setup_mc ();
1780         mc_filehighlight = mc_fhl_new (TRUE);
1781
1782         create_file_manager ();
1783         (void) dlg_run (midnight_dlg);
1784
1785         mc_fhl_free (&mc_filehighlight);
1786
1787         ret = TRUE;
1788
1789         /* dlg_destroy destroys even current_panel->cwd_vpath, so we have to save a copy :) */
1790         if (mc_args__last_wd_file != NULL && vfs_current_is_local ())
1791             last_wd_string = g_strdup (vfs_path_as_str (current_panel->cwd_vpath));
1792
1793         /* don't handle VFS timestamps for dirs opened in panels */
1794         mc_event_destroy (MCEVENT_GROUP_CORE, "vfs_timestamp");
1795
1796         dir_list_free_list (&panelized_panel.list);
1797     }
1798
1799     /* Program end */
1800     mc_global.midnight_shutdown = TRUE;
1801     dialog_switch_shutdown ();
1802     done_mc ();
1803     dlg_destroy (midnight_dlg);
1804     current_panel = NULL;
1805
1806 #ifdef USE_INTERNAL_EDIT
1807     edit_stack_free ();
1808 #endif
1809
1810     if ((quit & SUBSHELL_EXIT) == 0)
1811         clr_scr ();
1812
1813     return ret;
1814 }
1815
1816 /* --------------------------------------------------------------------------------------------- */