src/filemanager/midnight.c

   1 /*
   2    Main dialog (file panels) of the Midnight Commander
   3
   4    Copyright (C) 1994-2016
   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) && (top_dlg->data != 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_type = 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, menu_entry_create (_("&Listing mode..."), CK_PanelListingChange));
 204     entries = g_list_prepend (entries, menu_entry_create (_("&Sort order..."), CK_Sort));
 205     entries = g_list_prepend (entries, menu_entry_create (_("&Filter..."), CK_Filter));
 206 #ifdef HAVE_CHARSET
 207     entries = g_list_prepend (entries, menu_entry_create (_("&Encoding..."), CK_SelectCodepage));
 208 #endif
 209     entries = g_list_prepend (entries, menu_separator_create ());
 210 #ifdef ENABLE_VFS_FTP
 211     entries = g_list_prepend (entries, menu_entry_create (_("FT&P link..."), CK_ConnectFtp));
 212 #endif
 213 #ifdef ENABLE_VFS_FISH
 214     entries = g_list_prepend (entries, menu_entry_create (_("S&hell link..."), CK_ConnectFish));
 215 #endif
 216 #ifdef ENABLE_VFS_SFTP
 217     entries = g_list_prepend (entries, menu_entry_create (_("S&FTP link..."), CK_ConnectSftp));
 218 #endif
 219 #ifdef ENABLE_VFS_SMB
 220     entries = g_list_prepend (entries, menu_entry_create (_("SM&B link..."), CK_ConnectSmb));
 221 #endif
 222     entries = g_list_prepend (entries, menu_entry_create (_("Paneli&ze"), CK_Panelize));
 223     entries = g_list_prepend (entries, menu_separator_create ());
 224     entries = g_list_prepend (entries, menu_entry_create (_("&Rescan"), CK_Reread));
 225
 226     return g_list_reverse (entries);
 227 }
 228
 229 /* --------------------------------------------------------------------------------------------- */
 230
 231 static GList *
 232 create_file_menu (void)
 233 {
 234     GList *entries = NULL;
 235
 236     entries = g_list_prepend (entries, menu_entry_create (_("&View"), CK_View));
 237     entries = g_list_prepend (entries, menu_entry_create (_("Vie&w file..."), CK_ViewFile));
 238     entries = g_list_prepend (entries, menu_entry_create (_("&Filtered view"), CK_ViewFiltered));
 239     entries = g_list_prepend (entries, menu_entry_create (_("&Edit"), CK_Edit));
 240     entries = g_list_prepend (entries, menu_entry_create (_("&Copy"), CK_Copy));
 241     entries = g_list_prepend (entries, menu_entry_create (_("C&hmod"), CK_ChangeMode));
 242     entries = g_list_prepend (entries, menu_entry_create (_("&Link"), CK_Link));
 243     entries = g_list_prepend (entries, menu_entry_create (_("&Symlink"), CK_LinkSymbolic));
 244     entries =
 245         g_list_prepend (entries,
 246                         menu_entry_create (_("Relative symlin&k"), CK_LinkSymbolicRelative));
 247     entries = g_list_prepend (entries, menu_entry_create (_("Edit s&ymlink"), CK_LinkSymbolicEdit));
 248     entries = g_list_prepend (entries, menu_entry_create (_("Ch&own"), CK_ChangeOwn));
 249     entries =
 250         g_list_prepend (entries, menu_entry_create (_("&Advanced chown"), CK_ChangeOwnAdvanced));
 251     entries = g_list_prepend (entries, menu_entry_create (_("&Rename/Move"), CK_Move));
 252     entries = g_list_prepend (entries, menu_entry_create (_("&Mkdir"), CK_MakeDir));
 253     entries = g_list_prepend (entries, menu_entry_create (_("&Delete"), CK_Delete));
 254     entries = g_list_prepend (entries, menu_entry_create (_("&Quick cd"), CK_CdQuick));
 255     entries = g_list_prepend (entries, menu_separator_create ());
 256     entries = g_list_prepend (entries, menu_entry_create (_("Select &group"), CK_Select));
 257     entries = g_list_prepend (entries, menu_entry_create (_("U&nselect group"), CK_Unselect));
 258     entries = g_list_prepend (entries, menu_entry_create (_("&Invert selection"), CK_SelectInvert));
 259     entries = g_list_prepend (entries, menu_separator_create ());
 260     entries = g_list_prepend (entries, menu_entry_create (_("E&xit"), CK_Quit));
 261
 262     return g_list_reverse (entries);
 263 }
 264
 265 /* --------------------------------------------------------------------------------------------- */
 266
 267 static GList *
 268 create_command_menu (void)
 269 {
 270     /* I know, I'm lazy, but the tree widget when it's not running
 271      * as a panel still has some problems, I have not yet finished
 272      * the WTree widget port, sorry.
 273      */
 274     GList *entries = NULL;
 275
 276     entries = g_list_prepend (entries, menu_entry_create (_("&User menu"), CK_UserMenu));
 277     entries = g_list_prepend (entries, menu_entry_create (_("&Directory tree"), CK_Tree));
 278     entries = g_list_prepend (entries, menu_entry_create (_("&Find file"), CK_Find));
 279     entries = g_list_prepend (entries, menu_entry_create (_("S&wap panels"), CK_Swap));
 280     entries = g_list_prepend (entries, menu_entry_create (_("Switch &panels on/off"), CK_Shell));
 281     entries =
 282         g_list_prepend (entries, menu_entry_create (_("&Compare directories"), CK_CompareDirs));
 283 #ifdef USE_DIFF_VIEW
 284     entries = g_list_prepend (entries, menu_entry_create (_("C&ompare files"), CK_CompareFiles));
 285 #endif
 286     entries =
 287         g_list_prepend (entries, menu_entry_create (_("E&xternal panelize"), CK_ExternalPanelize));
 288     entries = g_list_prepend (entries, menu_entry_create (_("Show directory s&izes"), CK_DirSize));
 289     entries = g_list_prepend (entries, menu_separator_create ());
 290     entries = g_list_prepend (entries, menu_entry_create (_("Command &history"), CK_History));
 291     entries = g_list_prepend (entries, menu_entry_create (_("Di&rectory hotlist"), CK_HotList));
 292 #ifdef ENABLE_VFS
 293     entries = g_list_prepend (entries, menu_entry_create (_("&Active VFS list"), CK_VfsList));
 294 #endif
 295 #ifdef ENABLE_BACKGROUND
 296     entries = g_list_prepend (entries, menu_entry_create (_("&Background jobs"), CK_Jobs));
 297 #endif
 298     entries = g_list_prepend (entries, menu_entry_create (_("Screen lis&t"), CK_ScreenList));
 299     entries = g_list_prepend (entries, menu_separator_create ());
 300 #ifdef ENABLE_VFS_UNDELFS
 301     entries =
 302         g_list_prepend (entries,
 303                         menu_entry_create (_("&Undelete files (ext2fs only)"), CK_Undelete));
 304 #endif
 305 #ifdef LISTMODE_EDITOR
 306     entries = g_list_prepend (entries, menu_entry_create (_("&Listing format edit"), CK_ListMode));
 307 #endif
 308 #if defined (ENABLE_VFS_UNDELFS) || defined (LISTMODE_EDITOR)
 309     entries = g_list_prepend (entries, menu_separator_create ());
 310 #endif
 311     entries =
 312         g_list_prepend (entries,
 313                         menu_entry_create (_("Edit &extension file"), CK_EditExtensionsFile));
 314     entries = g_list_prepend (entries, menu_entry_create (_("Edit &menu file"), CK_EditUserMenu));
 315     entries =
 316         g_list_prepend (entries,
 317                         menu_entry_create (_("Edit hi&ghlighting group file"),
 318                                            CK_EditFileHighlightFile));
 319
 320     return g_list_reverse (entries);
 321 }
 322
 323 /* --------------------------------------------------------------------------------------------- */
 324
 325 static GList *
 326 create_options_menu (void)
 327 {
 328     GList *entries = NULL;
 329
 330     entries = g_list_prepend (entries, menu_entry_create (_("&Configuration..."), CK_Options));
 331     entries = g_list_prepend (entries, menu_entry_create (_("&Layout..."), CK_OptionsLayout));
 332     entries = g_list_prepend (entries, menu_entry_create (_("&Panel options..."), CK_OptionsPanel));
 333     entries =
 334         g_list_prepend (entries, menu_entry_create (_("C&onfirmation..."), CK_OptionsConfirm));
 335     entries =
 336         g_list_prepend (entries, menu_entry_create (_("&Appearance..."), CK_OptionsAppearance));
 337     entries =
 338         g_list_prepend (entries, menu_entry_create (_("&Display bits..."), CK_OptionsDisplayBits));
 339     entries = g_list_prepend (entries, menu_entry_create (_("Learn &keys..."), CK_LearnKeys));
 340 #ifdef ENABLE_VFS
 341     entries = g_list_prepend (entries, menu_entry_create (_("&Virtual FS..."), CK_OptionsVfs));
 342 #endif
 343     entries = g_list_prepend (entries, menu_separator_create ());
 344     entries = g_list_prepend (entries, menu_entry_create (_("&Save setup"), CK_SaveSetup));
 345
 346     return g_list_reverse (entries);
 347 }
 348
 349 /* --------------------------------------------------------------------------------------------- */
 350
 351 static void
 352 init_menu (void)
 353 {
 354     left_menu = create_menu ("", create_panel_menu (), "[Left and Right Menus]");
 355     menubar_add_menu (the_menubar, left_menu);
 356     menubar_add_menu (the_menubar, create_menu (_("&File"), create_file_menu (), "[File Menu]"));
 357     menubar_add_menu (the_menubar,
 358                       create_menu (_("&Command"), create_command_menu (), "[Command Menu]"));
 359     menubar_add_menu (the_menubar,
 360                       create_menu (_("&Options"), create_options_menu (), "[Options Menu]"));
 361     right_menu = create_menu ("", create_panel_menu (), "[Left and Right Menus]");
 362     menubar_add_menu (the_menubar, right_menu);
 363     update_menu ();
 364 }
 365
 366 /* --------------------------------------------------------------------------------------------- */
 367
 368 static void
 369 menu_last_selected_cmd (void)
 370 {
 371     menubar_activate (the_menubar, drop_menus != 0, -1);
 372 }
 373
 374 /* --------------------------------------------------------------------------------------------- */
 375
 376 static void
 377 menu_cmd (void)
 378 {
 379     int selected;
 380
 381     if ((get_current_index () == 0) == (current_panel->active != 0))
 382         selected = 0;
 383     else
 384         selected = g_list_length (the_menubar->menu) - 1;
 385
 386     menubar_activate (the_menubar, drop_menus != 0, selected);
 387 }
 388
 389 /* --------------------------------------------------------------------------------------------- */
 390
 391 static void
 392 sort_cmd (void)
 393 {
 394     WPanel *p;
 395     const panel_field_t *sort_order;
 396
 397     if (!SELECTED_IS_PANEL)
 398         return;
 399
 400     p = MENU_PANEL;
 401     sort_order = sort_box (&p->sort_info, p->sort_field);
 402     panel_set_sort_order (p, sort_order);
 403 }
 404
 405 /* --------------------------------------------------------------------------------------------- */
 406
 407 static char *
 408 midnight_get_shortcut (long command)
 409 {
 410     const char *ext_map;
 411     const char *shortcut = NULL;
 412
 413     shortcut = keybind_lookup_keymap_shortcut (main_map, command);
 414     if (shortcut != NULL)
 415         return g_strdup (shortcut);
 416
 417     shortcut = keybind_lookup_keymap_shortcut (panel_map, command);
 418     if (shortcut != NULL)
 419         return g_strdup (shortcut);
 420
 421     ext_map = keybind_lookup_keymap_shortcut (main_map, CK_ExtendedKeyMap);
 422     if (ext_map != NULL)
 423         shortcut = keybind_lookup_keymap_shortcut (main_x_map, command);
 424     if (shortcut != NULL)
 425         return g_strdup_printf ("%s %s", ext_map, shortcut);
 426
 427     return NULL;
 428 }
 429
 430 /* --------------------------------------------------------------------------------------------- */
 431
 432 static char *
 433 midnight_get_title (const WDialog * h, size_t len)
 434 {
 435     char *path;
 436     char *login;
 437     char *p;
 438
 439     (void) h;
 440
 441     title_path_prepare (&path, &login);
 442
 443     p = g_strdup_printf ("%s [%s]:%s", _("Panels:"), login, path);
 444     g_free (path);
 445     g_free (login);
 446     path = g_strdup (str_trunc (p, len - 4));
 447     g_free (p);
 448
 449     return path;
 450 }
 451
 452 /* --------------------------------------------------------------------------------------------- */
 453
 454 static void
 455 toggle_panels_split (void)
 456 {
 457     panels_layout.horizontal_split = !panels_layout.horizontal_split;
 458     layout_change ();
 459     do_refresh ();
 460 }
 461
 462 /* --------------------------------------------------------------------------------------------- */
 463
 464 #ifdef ENABLE_VFS
 465 /* event helper */
 466 static gboolean
 467 check_panel_timestamp (const WPanel * panel, panel_view_mode_t mode, struct vfs_class *vclass,
 468                        vfsid id)
 469 {
 470     if (mode == view_listing)
 471     {
 472         const vfs_path_element_t *path_element;
 473
 474         path_element = vfs_path_get_by_index (panel->cwd_vpath, -1);
 475
 476         if (path_element->class != vclass)
 477             return FALSE;
 478
 479         if (vfs_getid (panel->cwd_vpath) != id)
 480             return FALSE;
 481     }
 482     return TRUE;
 483 }
 484
 485 /* --------------------------------------------------------------------------------------------- */
 486
 487 /* event callback */
 488 static gboolean
 489 check_current_panel_timestamp (const gchar * event_group_name, const gchar * event_name,
 490                                gpointer init_data, gpointer data)
 491 {
 492     ev_vfs_stamp_create_t *event_data = (ev_vfs_stamp_create_t *) data;
 493
 494     (void) event_group_name;
 495     (void) event_name;
 496     (void) init_data;
 497
 498     event_data->ret =
 499         check_panel_timestamp (current_panel, get_current_type (), event_data->vclass,
 500                                event_data->id);
 501     return !event_data->ret;
 502 }
 503
 504 /* --------------------------------------------------------------------------------------------- */
 505
 506 /* event callback */
 507 static gboolean
 508 check_other_panel_timestamp (const gchar * event_group_name, const gchar * event_name,
 509                              gpointer init_data, gpointer data)
 510 {
 511     ev_vfs_stamp_create_t *event_data = (ev_vfs_stamp_create_t *) data;
 512
 513     (void) event_group_name;
 514     (void) event_name;
 515     (void) init_data;
 516
 517     event_data->ret =
 518         check_panel_timestamp (other_panel, get_other_type (), event_data->vclass, event_data->id);
 519     return !event_data->ret;
 520 }
 521 #endif /* ENABLE_VFS */
 522
 523 /* --------------------------------------------------------------------------------------------- */
 524
 525 /* event callback */
 526 static gboolean
 527 print_vfs_message (const gchar * event_group_name, const gchar * event_name,
 528                    gpointer init_data, gpointer data)
 529 {
 530     ev_vfs_print_message_t *event_data = (ev_vfs_print_message_t *) data;
 531
 532     (void) event_group_name;
 533     (void) event_name;
 534     (void) init_data;
 535
 536     if (mc_global.midnight_shutdown)
 537         goto ret;
 538
 539     if (!mc_global.message_visible || the_hint == NULL || WIDGET (the_hint)->owner == NULL)
 540     {
 541         int col, row;
 542
 543         if (!nice_rotating_dash || (ok_to_refresh <= 0))
 544             goto ret;
 545
 546         /* Preserve current cursor position */
 547         tty_getyx (&row, &col);
 548
 549         tty_gotoyx (0, 0);
 550         tty_setcolor (NORMAL_COLOR);
 551         tty_print_string (str_fit_to_term (event_data->msg, COLS - 1, J_LEFT));
 552
 553         /* Restore cursor position */
 554         tty_gotoyx (row, col);
 555         mc_refresh ();
 556         goto ret;
 557     }
 558
 559     if (mc_global.message_visible)
 560         set_hintbar (event_data->msg);
 561
 562   ret:
 563     MC_PTR_FREE (event_data->msg);
 564     return TRUE;
 565 }
 566
 567 /* --------------------------------------------------------------------------------------------- */
 568
 569 static void
 570 create_panels (void)
 571 {
 572     int current_index, other_index;
 573     panel_view_mode_t current_mode, other_mode;
 574     char *current_dir, *other_dir;
 575     vfs_path_t *original_dir;
 576
 577     /*
 578      * Following cases from command line are possible:
 579      * 'mc' (no arguments):            mc_run_param0 == NULL, mc_run_param1 == NULL
 580      *                                 active panel uses current directory
 581      *                                 passive panel uses "other_dir" from panels.ini
 582      *
 583      * 'mc dir1 dir2' (two arguments): mc_run_param0 != NULL, mc_run_param1 != NULL
 584      *                                 active panel uses mc_run_param0
 585      *                                 passive panel uses mc_run_param1
 586      *
 587      * 'mc dir1' (single argument):    mc_run_param0 != NULL, mc_run_param1 == NULL
 588      *                                 active panel uses mc_run_param0
 589      *                                 passive panel uses "other_dir" from panels.ini
 590      */
 591
 592     /* Set up panel directories */
 593     if (boot_current_is_left)
 594     {
 595         /* left panel is active */
 596         current_index = 0;
 597         other_index = 1;
 598         current_mode = startup_left_mode;
 599         other_mode = startup_right_mode;
 600
 601         if (mc_run_param0 == NULL && mc_run_param1 == NULL)
 602         {
 603             /* no arguments */
 604             current_dir = NULL; /* assume current dir */
 605             other_dir = saved_other_dir;        /* from ini */
 606         }
 607         else if (mc_run_param0 != NULL && mc_run_param1 != NULL)
 608         {
 609             /* two arguments */
 610             current_dir = (char *) mc_run_param0;
 611             other_dir = mc_run_param1;
 612         }
 613         else                    /* mc_run_param0 != NULL && mc_run_param1 == NULL */
 614         {
 615             /* one argument */
 616             current_dir = (char *) mc_run_param0;
 617             other_dir = saved_other_dir;        /* from ini */
 618         }
 619     }
 620     else
 621     {
 622         /* right panel is active */
 623         current_index = 1;
 624         other_index = 0;
 625         current_mode = startup_right_mode;
 626         other_mode = startup_left_mode;
 627
 628         if (mc_run_param0 == NULL && mc_run_param1 == NULL)
 629         {
 630             /* no arguments */
 631             current_dir = NULL; /* assume current dir */
 632             other_dir = saved_other_dir;        /* from ini */
 633         }
 634         else if (mc_run_param0 != NULL && mc_run_param1 != NULL)
 635         {
 636             /* two arguments */
 637             current_dir = (char *) mc_run_param0;
 638             other_dir = mc_run_param1;
 639         }
 640         else                    /* mc_run_param0 != NULL && mc_run_param1 == NULL */
 641         {
 642             /* one argument */
 643             current_dir = (char *) mc_run_param0;
 644             other_dir = saved_other_dir;        /* from ini */
 645         }
 646     }
 647
 648     /* 1. Get current dir */
 649     original_dir = vfs_path_clone (vfs_get_raw_current_dir ());
 650
 651     /* 2. Create passive panel */
 652     if (other_dir != NULL)
 653     {
 654         vfs_path_t *vpath;
 655
 656         if (g_path_is_absolute (other_dir))
 657             vpath = vfs_path_from_str (other_dir);
 658         else
 659             vpath = vfs_path_append_new (original_dir, other_dir, (char *) NULL);
 660         mc_chdir (vpath);
 661         vfs_path_free (vpath);
 662     }
 663     set_display_type (other_index, other_mode);
 664
 665     /* 3. Create active panel */
 666     if (current_dir == NULL)
 667         mc_chdir (original_dir);
 668     else
 669     {
 670         vfs_path_t *vpath;
 671
 672         if (g_path_is_absolute (current_dir))
 673             vpath = vfs_path_from_str (current_dir);
 674         else
 675             vpath = vfs_path_append_new (original_dir, current_dir, (char *) NULL);
 676         mc_chdir (vpath);
 677         vfs_path_free (vpath);
 678     }
 679     set_display_type (current_index, current_mode);
 680
 681     if (startup_left_mode == view_listing)
 682         current_panel = left_panel;
 683     else if (right_panel != NULL)
 684         current_panel = right_panel;
 685     else
 686         current_panel = left_panel;
 687
 688     vfs_path_free (original_dir);
 689
 690 #ifdef ENABLE_VFS
 691     mc_event_add (MCEVENT_GROUP_CORE, "vfs_timestamp", check_other_panel_timestamp, NULL, NULL);
 692     mc_event_add (MCEVENT_GROUP_CORE, "vfs_timestamp", check_current_panel_timestamp, NULL, NULL);
 693 #endif /* ENABLE_VFS */
 694
 695     mc_event_add (MCEVENT_GROUP_CORE, "vfs_print_message", print_vfs_message, NULL, NULL);
 696
 697     /* Create the nice widgets */
 698     cmdline = command_new (0, 0, 0);
 699     the_prompt = label_new (0, 0, mc_prompt);
 700     the_prompt->transparent = 1;
 701     the_bar = buttonbar_new (mc_global.keybar_visible);
 702
 703     the_hint = label_new (0, 0, 0);
 704     the_hint->transparent = 1;
 705     the_hint->auto_adjust_cols = 0;
 706     WIDGET (the_hint)->cols = COLS;
 707
 708     the_menubar = menubar_new (0, 0, COLS, NULL, menubar_visible);
 709 }
 710
 711 /* --------------------------------------------------------------------------------------------- */
 712
 713 static void
 714 midnight_put_panel_path (WPanel * panel)
 715 {
 716     vfs_path_t *cwd_vpath;
 717     const char *cwd_vpath_str;
 718
 719     if (!command_prompt)
 720         return;
 721
 722 #ifdef HAVE_CHARSET
 723     cwd_vpath = remove_encoding_from_path (panel->cwd_vpath);
 724 #else
 725     cwd_vpath = vfs_path_clone (panel->cwd_vpath);
 726 #endif
 727
 728     cwd_vpath_str = vfs_path_as_str (cwd_vpath);
 729
 730     command_insert (cmdline, cwd_vpath_str, FALSE);
 731
 732     if (!IS_PATH_SEP (cwd_vpath_str[strlen (cwd_vpath_str) - 1]))
 733         command_insert (cmdline, PATH_SEP_STR, FALSE);
 734
 735     vfs_path_free (cwd_vpath);
 736 }
 737
 738 /* --------------------------------------------------------------------------------------------- */
 739
 740 static void
 741 put_link (WPanel * panel)
 742 {
 743     if (!command_prompt)
 744         return;
 745     if (S_ISLNK (selection (panel)->st.st_mode))
 746     {
 747         char buffer[MC_MAXPATHLEN];
 748         vfs_path_t *vpath;
 749         int i;
 750
 751         vpath = vfs_path_append_new (panel->cwd_vpath, selection (panel)->fname, (char *) NULL);
 752         i = mc_readlink (vpath, buffer, sizeof (buffer) - 1);
 753         vfs_path_free (vpath);
 754
 755         if (i > 0)
 756         {
 757             buffer[i] = '\0';
 758             command_insert (cmdline, buffer, TRUE);
 759         }
 760     }
 761 }
 762
 763 /* --------------------------------------------------------------------------------------------- */
 764
 765 static void
 766 put_current_link (void)
 767 {
 768     put_link (current_panel);
 769 }
 770
 771 /* --------------------------------------------------------------------------------------------- */
 772
 773 static void
 774 put_other_link (void)
 775 {
 776     if (get_other_type () == view_listing)
 777         put_link (other_panel);
 778 }
 779
 780 /* --------------------------------------------------------------------------------------------- */
 781
 782 /** Insert the selected file name into the input line */
 783 static void
 784 put_current_selected (void)
 785 {
 786     const char *tmp;
 787
 788     if (!command_prompt)
 789         return;
 790
 791     if (get_current_type () == view_tree)
 792     {
 793         WTree *tree;
 794         const vfs_path_t *selected_name;
 795
 796         tree = (WTree *) get_panel_widget (get_current_index ());
 797         selected_name = tree_selected_name (tree);
 798         tmp = vfs_path_as_str (selected_name);
 799     }
 800     else
 801         tmp = selection (current_panel)->fname;
 802
 803     command_insert (cmdline, tmp, TRUE);
 804 }
 805
 806 /* --------------------------------------------------------------------------------------------- */
 807
 808 static void
 809 put_tagged (WPanel * panel)
 810 {
 811     if (!command_prompt)
 812         return;
 813     input_disable_update (cmdline);
 814     if (panel->marked)
 815     {
 816         int i;
 817
 818         for (i = 0; i < panel->dir.len; i++)
 819         {
 820             if (panel->dir.list[i].f.marked)
 821                 command_insert (cmdline, panel->dir.list[i].fname, TRUE);
 822         }
 823     }
 824     else
 825     {
 826         command_insert (cmdline, panel->dir.list[panel->selected].fname, TRUE);
 827     }
 828     input_enable_update (cmdline);
 829 }
 830
 831 /* --------------------------------------------------------------------------------------------- */
 832
 833 static void
 834 put_current_tagged (void)
 835 {
 836     put_tagged (current_panel);
 837 }
 838
 839 /* --------------------------------------------------------------------------------------------- */
 840
 841 static void
 842 put_other_tagged (void)
 843 {
 844     if (get_other_type () == view_listing)
 845         put_tagged (other_panel);
 846 }
 847
 848 /* --------------------------------------------------------------------------------------------- */
 849
 850 static void
 851 ctl_x_cmd (void)
 852 {
 853     ctl_x_map_enabled = TRUE;
 854 }
 855
 856 /* --------------------------------------------------------------------------------------------- */
 857
 858 static void
 859 setup_mc (void)
 860 {
 861 #ifdef HAVE_SLANG
 862 #ifdef HAVE_CHARSET
 863     tty_display_8bit (TRUE);
 864 #else
 865     tty_display_8bit (mc_global.full_eight_bits != 0);
 866 #endif /* HAVE_CHARSET */
 867
 868 #else /* HAVE_SLANG */
 869
 870 #ifdef HAVE_CHARSET
 871     tty_display_8bit (TRUE);
 872 #else
 873     tty_display_8bit (mc_global.eight_bit_clean != 0);
 874 #endif /* HAVE_CHARSET */
 875 #endif /* HAVE_SLANG */
 876
 877 #ifdef ENABLE_SUBSHELL
 878     if (mc_global.tty.use_subshell)
 879         add_select_channel (mc_global.tty.subshell_pty, load_prompt, 0);
 880 #endif /* !ENABLE_SUBSHELL */
 881
 882     if ((tty_baudrate () < 9600) || mc_global.tty.slow_terminal)
 883         verbose = 0;
 884 }
 885
 886 /* --------------------------------------------------------------------------------------------- */
 887
 888 static void
 889 setup_dummy_mc (void)
 890 {
 891     vfs_path_t *vpath;
 892     char *d;
 893     int ret;
 894
 895     d = _vfs_get_cwd ();
 896     setup_mc ();
 897     vpath = vfs_path_from_str (d);
 898     ret = mc_chdir (vpath);
 899     (void) ret;
 900     vfs_path_free (vpath);
 901     g_free (d);
 902 }
 903
 904 /* --------------------------------------------------------------------------------------------- */
 905
 906 static void
 907 done_mc (void)
 908 {
 909     /* Setup shutdown
 910      *
 911      * We sync the profiles since the hotlist may have changed, while
 912      * we only change the setup data if we have the auto save feature set
 913      */
 914     const char *curr_dir;
 915
 916     save_setup (auto_save_setup, panels_options.auto_save_setup);
 917
 918     curr_dir = vfs_get_current_dir ();
 919     vfs_stamp_path (curr_dir);
 920
 921     if ((current_panel != NULL) && (get_current_type () == view_listing))
 922         vfs_stamp_path (vfs_path_as_str (current_panel->cwd_vpath));
 923
 924     if ((other_panel != NULL) && (get_other_type () == view_listing))
 925         vfs_stamp_path (vfs_path_as_str (other_panel->cwd_vpath));
 926 }
 927
 928 /* --------------------------------------------------------------------------------------------- */
 929
 930 static void
 931 create_panels_and_run_mc (void)
 932 {
 933     midnight_dlg->get_shortcut = midnight_get_shortcut;
 934     midnight_dlg->get_title = midnight_get_title;
 935
 936     create_panels ();
 937
 938     add_widget (midnight_dlg, the_menubar);
 939     init_menu ();
 940
 941     add_widget (midnight_dlg, get_panel_widget (0));
 942     add_widget (midnight_dlg, get_panel_widget (1));
 943
 944     add_widget (midnight_dlg, the_hint);
 945     add_widget (midnight_dlg, cmdline);
 946     add_widget (midnight_dlg, the_prompt);
 947
 948     add_widget (midnight_dlg, the_bar);
 949     midnight_set_buttonbar (the_bar);
 950
 951     /* Run the Midnight Commander if no file was specified in the command line */
 952     dlg_run (midnight_dlg);
 953 }
 954
 955 /* --------------------------------------------------------------------------------------------- */
 956
 957 /** result must be free'd (I think this should go in util.c) */
 958 static vfs_path_t *
 959 prepend_cwd_on_local (const char *filename)
 960 {
 961     vfs_path_t *vpath;
 962
 963     vpath = vfs_path_from_str (filename);
 964     if (!vfs_file_is_local (vpath) || g_path_is_absolute (filename))
 965         return vpath;
 966
 967     vfs_path_free (vpath);
 968
 969     return vfs_path_append_new (vfs_get_raw_current_dir (), filename, (char *) NULL);
 970 }
 971
 972 /* --------------------------------------------------------------------------------------------- */
 973
 974 /** Invoke the internal view/edit routine with:
 975  * the default processing and forcing the internal viewer/editor
 976  */
 977 static gboolean
 978 mc_maybe_editor_or_viewer (void)
 979 {
 980     gboolean ret;
 981
 982     switch (mc_global.mc_run_mode)
 983     {
 984 #ifdef USE_INTERNAL_EDIT
 985     case MC_RUN_EDITOR:
 986         ret = edit_files ((GList *) mc_run_param0);
 987         break;
 988 #endif /* USE_INTERNAL_EDIT */
 989     case MC_RUN_VIEWER:
 990         {
 991             vfs_path_t *vpath = NULL;
 992
 993             if (mc_run_param0 != NULL && *(char *) mc_run_param0 != '\0')
 994                 vpath = prepend_cwd_on_local ((char *) mc_run_param0);
 995
 996             ret = view_file (vpath, FALSE, TRUE);
 997             vfs_path_free (vpath);
 998             break;
 999         }
1000 #ifdef USE_DIFF_VIEW
1001     case MC_RUN_DIFFVIEWER:
1002         ret = dview_diff_cmd (mc_run_param0, mc_run_param1);
1003         break;
1004 #endif /* USE_DIFF_VIEW */
1005     default:
1006         ret = FALSE;
1007     }
1008
1009     return ret;
1010 }
1011
1012 /* --------------------------------------------------------------------------------------------- */
1013
1014 static gboolean
1015 quit_cmd_internal (int quiet)
1016 {
1017     int q = quit;
1018     size_t n;
1019
1020     n = dialog_switch_num () - 1;
1021     if (n != 0)
1022     {
1023         char msg[BUF_MEDIUM];
1024
1025         g_snprintf (msg, sizeof (msg),
1026                     ngettext ("You have %zd opened screen. Quit anyway?",
1027                               "You have %zd opened screens. Quit anyway?", n), n);
1028
1029         if (query_dialog (_("The Midnight Commander"), msg, D_NORMAL, 2, _("&Yes"), _("&No")) != 0)
1030             return FALSE;
1031         q = 1;
1032     }
1033     else if (quiet || !confirm_exit)
1034         q = 1;
1035     else if (query_dialog (_("The Midnight Commander"),
1036                            _("Do you really want to quit the Midnight Commander?"),
1037                            D_NORMAL, 2, _("&Yes"), _("&No")) == 0)
1038         q = 1;
1039
1040     if (q != 0)
1041     {
1042 #ifdef ENABLE_SUBSHELL
1043         if (!mc_global.tty.use_subshell)
1044             stop_dialogs ();
1045         else if ((q = exit_subshell ()? 1 : 0) != 0)
1046 #endif
1047             stop_dialogs ();
1048     }
1049
1050     if (q != 0)
1051         quit |= 1;
1052     return (quit != 0);
1053 }
1054
1055 /* --------------------------------------------------------------------------------------------- */
1056
1057 static gboolean
1058 quit_cmd (void)
1059 {
1060     return quit_cmd_internal (0);
1061 }
1062
1063 /* --------------------------------------------------------------------------------------------- */
1064
1065 /**
1066  * Repaint the contents of the panels without frames.  To schedule panel
1067  * for repainting, set panel->dirty to 1.  There are many reasons why
1068  * the panels need to be repainted, and this is a costly operation, so
1069  * it's done once per event.
1070  */
1071
1072 static void
1073 update_dirty_panels (void)
1074 {
1075     if (get_current_type () == view_listing && current_panel->dirty)
1076         widget_redraw (WIDGET (current_panel));
1077
1078     if (get_other_type () == view_listing && other_panel->dirty)
1079         widget_redraw (WIDGET (other_panel));
1080 }
1081
1082 /* --------------------------------------------------------------------------------------------- */
1083
1084 static void
1085 toggle_show_hidden (void)
1086 {
1087     panels_options.show_dot_files = !panels_options.show_dot_files;
1088     update_panels (UP_RELOAD, UP_KEEPSEL);
1089     /* redraw panels forced */
1090     update_dirty_panels ();
1091 }
1092
1093 /* --------------------------------------------------------------------------------------------- */
1094
1095 static cb_ret_t
1096 midnight_execute_cmd (Widget * sender, long command)
1097 {
1098     cb_ret_t res = MSG_HANDLED;
1099
1100     (void) sender;
1101
1102     /* stop quick search before executing any command */
1103     send_message (current_panel, NULL, MSG_ACTION, CK_SearchStop, NULL);
1104
1105     switch (command)
1106     {
1107     case CK_HotListAdd:
1108         add2hotlist_cmd ();
1109         break;
1110     case CK_PanelListingChange:
1111         change_listing_cmd ();
1112         break;
1113     case CK_ChangeMode:
1114         chmod_cmd ();
1115         break;
1116     case CK_ChangeOwn:
1117         chown_cmd ();
1118         break;
1119     case CK_ChangeOwnAdvanced:
1120         chown_advanced_cmd ();
1121         break;
1122     case CK_CompareDirs:
1123         compare_dirs_cmd ();
1124         break;
1125     case CK_Options:
1126         configure_box ();
1127         break;
1128 #ifdef ENABLE_VFS
1129     case CK_OptionsVfs:
1130         configure_vfs ();
1131         break;
1132 #endif
1133     case CK_OptionsConfirm:
1134         confirm_box ();
1135         break;
1136     case CK_Copy:
1137         copy_cmd ();
1138         break;
1139     case CK_PutCurrentPath:
1140         midnight_put_panel_path (current_panel);
1141         break;
1142     case CK_PutCurrentSelected:
1143         put_current_selected ();
1144         break;
1145     case CK_PutCurrentFullSelected:
1146         midnight_put_panel_path (current_panel);
1147         put_current_selected ();
1148         break;
1149     case CK_PutCurrentLink:
1150         put_current_link ();
1151         break;
1152     case CK_PutCurrentTagged:
1153         put_current_tagged ();
1154         break;
1155     case CK_PutOtherPath:
1156         if (get_other_type () == view_listing)
1157             midnight_put_panel_path (other_panel);
1158         break;
1159     case CK_PutOtherLink:
1160         put_other_link ();
1161         break;
1162     case CK_PutOtherTagged:
1163         put_other_tagged ();
1164         break;
1165     case CK_Delete:
1166         delete_cmd ();
1167         break;
1168     case CK_ScreenList:
1169         dialog_switch_list ();
1170         break;
1171 #ifdef USE_DIFF_VIEW
1172     case CK_CompareFiles:
1173         diff_view_cmd ();
1174         break;
1175 #endif
1176     case CK_OptionsDisplayBits:
1177         display_bits_box ();
1178         break;
1179     case CK_Edit:
1180         edit_cmd ();
1181         break;
1182 #ifdef USE_INTERNAL_EDIT
1183     case CK_EditForceInternal:
1184         edit_cmd_force_internal ();
1185         break;
1186 #endif
1187     case CK_EditExtensionsFile:
1188         ext_cmd ();
1189         break;
1190     case CK_EditFileHighlightFile:
1191         edit_fhl_cmd ();
1192         break;
1193     case CK_EditUserMenu:
1194         edit_mc_menu_cmd ();
1195         break;
1196     case CK_LinkSymbolicEdit:
1197         edit_symlink_cmd ();
1198         break;
1199     case CK_ExternalPanelize:
1200         external_panelize ();
1201         break;
1202     case CK_Filter:
1203         filter_cmd ();
1204         break;
1205     case CK_ViewFiltered:
1206         view_filtered_cmd ();
1207         break;
1208     case CK_Find:
1209         find_cmd ();
1210         break;
1211 #ifdef ENABLE_VFS_FISH
1212     case CK_ConnectFish:
1213         fishlink_cmd ();
1214         break;
1215 #endif
1216 #ifdef ENABLE_VFS_FTP
1217     case CK_ConnectFtp:
1218         ftplink_cmd ();
1219         break;
1220 #endif
1221 #ifdef ENABLE_VFS_SFTP
1222     case CK_ConnectSftp:
1223         sftplink_cmd ();
1224         break;
1225 #endif
1226 #ifdef ENABLE_VFS_SMB
1227     case CK_ConnectSmb:
1228         smblink_cmd ();
1229         break;
1230 #endif /* ENABLE_VFS_SMB */
1231     case CK_Panelize:
1232         cd_panelize_cmd ();
1233         break;
1234     case CK_Help:
1235         help_cmd ();
1236         break;
1237     case CK_History:
1238         /* show the history of command line widget */
1239         send_message (cmdline, NULL, MSG_ACTION, CK_History, NULL);
1240         break;
1241     case CK_PanelInfo:
1242         if (sender == WIDGET (the_menubar))
1243             info_cmd ();        /* menu */
1244         else
1245             info_cmd_no_menu ();        /* shortcut or buttonbar */
1246         break;
1247 #ifdef ENABLE_BACKGROUND
1248     case CK_Jobs:
1249         jobs_cmd ();
1250         break;
1251 #endif
1252     case CK_OptionsLayout:
1253         layout_box ();
1254         break;
1255     case CK_OptionsAppearance:
1256         appearance_box ();
1257         break;
1258     case CK_LearnKeys:
1259         learn_keys ();
1260         break;
1261     case CK_Link:
1262         link_cmd (LINK_HARDLINK);
1263         break;
1264     case CK_PanelListing:
1265         listing_cmd ();
1266         break;
1267 #ifdef LISTMODE_EDITOR
1268     case CK_ListMode:
1269         listmode_cmd ();
1270         break;
1271 #endif
1272     case CK_Menu:
1273         menu_cmd ();
1274         break;
1275     case CK_MenuLastSelected:
1276         menu_last_selected_cmd ();
1277         break;
1278     case CK_MakeDir:
1279         mkdir_cmd ();
1280         break;
1281     case CK_OptionsPanel:
1282         panel_options_box ();
1283         break;
1284 #ifdef HAVE_CHARSET
1285     case CK_SelectCodepage:
1286         encoding_cmd ();
1287         break;
1288 #endif
1289     case CK_CdQuick:
1290         quick_cd_cmd ();
1291         break;
1292     case CK_HotList:
1293         hotlist_cmd ();
1294         break;
1295     case CK_PanelQuickView:
1296         if (sender == WIDGET (the_menubar))
1297             quick_view_cmd ();  /* menu */
1298         else
1299             quick_cmd_no_menu ();       /* shortcut or buttonabr */
1300         break;
1301     case CK_QuitQuiet:
1302         quiet_quit_cmd ();
1303         break;
1304     case CK_Quit:
1305         quit_cmd ();
1306         break;
1307     case CK_LinkSymbolicRelative:
1308         link_cmd (LINK_SYMLINK_RELATIVE);
1309         break;
1310     case CK_Move:
1311         rename_cmd ();
1312         break;
1313     case CK_Reread:
1314         reread_cmd ();
1315         break;
1316 #ifdef ENABLE_VFS
1317     case CK_VfsList:
1318         vfs_list ();
1319         break;
1320 #endif
1321     case CK_SaveSetup:
1322         save_setup_cmd ();
1323         break;
1324     case CK_Select:
1325     case CK_Unselect:
1326     case CK_SelectInvert:
1327         res = send_message (current_panel, midnight_dlg, MSG_ACTION, command, NULL);
1328         break;
1329     case CK_Shell:
1330         view_other_cmd ();
1331         break;
1332     case CK_DirSize:
1333         smart_dirsize_cmd ();
1334         break;
1335     case CK_Sort:
1336         sort_cmd ();
1337         break;
1338     case CK_ExtendedKeyMap:
1339         ctl_x_cmd ();
1340         break;
1341     case CK_Suspend:
1342         mc_event_raise (MCEVENT_GROUP_CORE, "suspend", NULL);
1343         break;
1344     case CK_Swap:
1345         swap_cmd ();
1346         break;
1347     case CK_LinkSymbolic:
1348         link_cmd (LINK_SYMLINK_ABSOLUTE);
1349         break;
1350     case CK_PanelListingSwitch:
1351         toggle_listing_cmd ();
1352         break;
1353     case CK_ShowHidden:
1354         toggle_show_hidden ();
1355         break;
1356     case CK_SplitVertHoriz:
1357         toggle_panels_split ();
1358         break;
1359     case CK_SplitEqual:
1360         panels_split_equal ();
1361         break;
1362     case CK_SplitMore:
1363         panels_split_more ();
1364         break;
1365     case CK_SplitLess:
1366         panels_split_less ();
1367         break;
1368     case CK_PanelTree:
1369         panel_tree_cmd ();
1370         break;
1371     case CK_Tree:
1372         treebox_cmd ();
1373         break;
1374 #ifdef ENABLE_VFS_UNDELFS
1375     case CK_Undelete:
1376         undelete_cmd ();
1377         break;
1378 #endif
1379     case CK_UserMenu:
1380         user_file_menu_cmd ();
1381         break;
1382     case CK_View:
1383         view_cmd ();
1384         break;
1385     case CK_ViewFile:
1386         view_file_cmd ();
1387         break;
1388     case CK_Cancel:
1389         /* don't close panels due to SIGINT */
1390         break;
1391     default:
1392         res = MSG_NOT_HANDLED;
1393     }
1394
1395     return res;
1396 }
1397
1398 /* --------------------------------------------------------------------------------------------- */
1399
1400 static cb_ret_t
1401 midnight_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
1402 {
1403     long command;
1404
1405     switch (msg)
1406     {
1407     case MSG_INIT:
1408         panel_init ();
1409         setup_panels ();
1410         return MSG_HANDLED;
1411
1412     case MSG_DRAW:
1413         load_hint (TRUE);
1414         /* We handle the special case of the output lines */
1415         if (mc_global.tty.console_flag != '\0' && output_lines)
1416             show_console_contents (output_start_y,
1417                                    LINES - output_lines - mc_global.keybar_visible -
1418                                    1, LINES - mc_global.keybar_visible - 1);
1419         return MSG_HANDLED;
1420
1421     case MSG_RESIZE:
1422         /* dlg_set_size() is surplus for this case */
1423         w->lines = LINES;
1424         w->cols = COLS;
1425         setup_panels ();
1426         menubar_arrange (the_menubar);
1427         return MSG_HANDLED;
1428
1429     case MSG_IDLE:
1430         /* We only need the first idle event to show user menu after start */
1431         widget_idle (w, FALSE);
1432
1433         if (boot_current_is_left)
1434             dlg_select_widget (get_panel_widget (0));
1435         else
1436             dlg_select_widget (get_panel_widget (1));
1437
1438         if (auto_menu)
1439             midnight_execute_cmd (NULL, CK_UserMenu);
1440         return MSG_HANDLED;
1441
1442     case MSG_KEY:
1443         if (ctl_x_map_enabled)
1444         {
1445             ctl_x_map_enabled = FALSE;
1446             command = keybind_lookup_keymap_command (main_x_map, parm);
1447             if (command != CK_IgnoreKey)
1448                 return midnight_execute_cmd (NULL, command);
1449         }
1450
1451         /* FIXME: should handle all menu shortcuts before this point */
1452         if (widget_get_state (WIDGET (the_menubar), WST_FOCUSED))
1453             return MSG_NOT_HANDLED;
1454
1455         if (parm == '\t')
1456             input_free_completions (cmdline);
1457
1458         if (parm == '\n')
1459         {
1460             size_t i;
1461
1462             /* HACK: don't execute command in the command line if Enter was pressed
1463                in the quick viewer panel. */
1464             /* TODO: currently, when one of panels is other than view_listing,
1465                current_panel points to view_listing panel all time independently of
1466                it's activity. Thus, we can't use get_current_type() here.
1467                current_panel should point to actualy current active panel
1468                independently of it's type. */
1469             if (current_panel->active == 0 && get_other_type () == view_quick)
1470                 return MSG_NOT_HANDLED;
1471
1472             for (i = 0; cmdline->buffer[i] != '\0' &&
1473                  (cmdline->buffer[i] == ' ' || cmdline->buffer[i] == '\t'); i++)
1474                 ;
1475
1476             if (cmdline->buffer[i] != '\0')
1477             {
1478                 send_message (cmdline, NULL, MSG_KEY, parm, NULL);
1479                 return MSG_HANDLED;
1480             }
1481
1482             input_insert (cmdline, "", FALSE);
1483             cmdline->point = 0;
1484         }
1485
1486         if ((!mc_global.tty.alternate_plus_minus
1487              || !(mc_global.tty.console_flag != '\0' || mc_global.tty.xterm_flag)) && !quote
1488             && !current_panel->searching)
1489         {
1490             if (!only_leading_plus_minus)
1491             {
1492                 /* Special treatement, since the input line will eat them */
1493                 if (parm == '+')
1494                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_Select, NULL);
1495
1496                 if (parm == '\\' || parm == '-')
1497                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_Unselect,
1498                                          NULL);
1499
1500                 if (parm == '*')
1501                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_SelectInvert,
1502                                          NULL);
1503             }
1504             else if (!command_prompt || cmdline->buffer[0] == '\0')
1505             {
1506                 /* Special treatement '+', '-', '\', '*' only when this is
1507                  * first char on input line
1508                  */
1509                 if (parm == '+')
1510                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_Select, NULL);
1511
1512                 if (parm == '\\' || parm == '-')
1513                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_Unselect,
1514                                          NULL);
1515
1516                 if (parm == '*')
1517                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_SelectInvert,
1518                                          NULL);
1519             }
1520         }
1521         return MSG_NOT_HANDLED;
1522
1523     case MSG_HOTKEY_HANDLED:
1524         if ((get_current_type () == view_listing) && current_panel->searching)
1525         {
1526             current_panel->dirty = 1;   /* FIXME: unneeded? */
1527             send_message (current_panel, NULL, MSG_ACTION, CK_SearchStop, NULL);
1528         }
1529         return MSG_HANDLED;
1530
1531     case MSG_UNHANDLED_KEY:
1532         {
1533             cb_ret_t v = MSG_NOT_HANDLED;
1534
1535             if (ctl_x_map_enabled)
1536             {
1537                 ctl_x_map_enabled = FALSE;
1538                 command = keybind_lookup_keymap_command (main_x_map, parm);
1539             }
1540             else
1541                 command = keybind_lookup_keymap_command (main_map, parm);
1542
1543             if (command != CK_IgnoreKey)
1544                 v = midnight_execute_cmd (NULL, command);
1545
1546             if (v == MSG_NOT_HANDLED && command_prompt)
1547                 v = send_message (cmdline, NULL, MSG_KEY, parm, NULL);
1548
1549             return v;
1550         }
1551
1552     case MSG_POST_KEY:
1553         if (!widget_get_state (WIDGET (the_menubar), WST_FOCUSED))
1554             update_dirty_panels ();
1555         return MSG_HANDLED;
1556
1557     case MSG_ACTION:
1558         /* Handle shortcuts, menu, and buttonbar. */
1559         return midnight_execute_cmd (sender, parm);
1560
1561     case MSG_END:
1562         panel_deinit ();
1563         return MSG_HANDLED;
1564
1565     default:
1566         return dlg_default_callback (w, sender, msg, parm, data);
1567     }
1568 }
1569
1570 /* --------------------------------------------------------------------------------------------- */
1571 /*** public functions ****************************************************************************/
1572 /* --------------------------------------------------------------------------------------------- */
1573
1574 void
1575 update_menu (void)
1576 {
1577     menu_set_name (left_menu, panels_layout.horizontal_split ? _("&Above") : _("&Left"));
1578     menu_set_name (right_menu, panels_layout.horizontal_split ? _("&Below") : _("&Right"));
1579     menubar_arrange (the_menubar);
1580     menubar_set_visible (the_menubar, menubar_visible);
1581 }
1582
1583 /* --------------------------------------------------------------------------------------------- */
1584
1585 void
1586 midnight_set_buttonbar (WButtonBar * b)
1587 {
1588     buttonbar_set_label (b, 1, Q_ ("ButtonBar|Help"), main_map, NULL);
1589     buttonbar_set_label (b, 2, Q_ ("ButtonBar|Menu"), main_map, NULL);
1590     buttonbar_set_label (b, 3, Q_ ("ButtonBar|View"), main_map, NULL);
1591     buttonbar_set_label (b, 4, Q_ ("ButtonBar|Edit"), main_map, NULL);
1592     buttonbar_set_label (b, 5, Q_ ("ButtonBar|Copy"), main_map, NULL);
1593     buttonbar_set_label (b, 6, Q_ ("ButtonBar|RenMov"), main_map, NULL);
1594     buttonbar_set_label (b, 7, Q_ ("ButtonBar|Mkdir"), main_map, NULL);
1595     buttonbar_set_label (b, 8, Q_ ("ButtonBar|Delete"), main_map, NULL);
1596     buttonbar_set_label (b, 9, Q_ ("ButtonBar|PullDn"), main_map, NULL);
1597     buttonbar_set_label (b, 10, Q_ ("ButtonBar|Quit"), main_map, NULL);
1598 }
1599
1600 /* --------------------------------------------------------------------------------------------- */
1601 /**
1602  * Return a random hint.  If force is TRUE, ignore the timeout.
1603  */
1604
1605 char *
1606 get_random_hint (gboolean force)
1607 {
1608     static const guint64 update_period = 60 * G_USEC_PER_SEC;
1609     static guint64 tv = 0;
1610
1611     char *data, *result = NULL, *eop;
1612     size_t len, start;
1613     GIConv conv;
1614
1615     /* Do not change hints more often than one minute */
1616     if (!force && !mc_time_elapsed (&tv, update_period))
1617         return g_strdup ("");
1618
1619     data = load_mc_home_file (mc_global.share_data_dir, MC_HINT, NULL, &len);
1620     if (data == NULL)
1621         return NULL;
1622
1623     /* get a random entry */
1624     srand ((unsigned int) (tv / G_USEC_PER_SEC));
1625     start = ((size_t) rand ()) % (len - 1);
1626
1627     /* Search the start of paragraph */
1628     for (; start != 0; start--)
1629         if (data[start] == '\n' && data[start + 1] == '\n')
1630         {
1631             start += 2;
1632             break;
1633         }
1634
1635     /* Search the end of paragraph */
1636     for (eop = data + start; *eop != '\0'; eop++)
1637     {
1638         if (*eop == '\n' && *(eop + 1) == '\n')
1639         {
1640             *eop = '\0';
1641             break;
1642         }
1643         if (*eop == '\n')
1644             *eop = ' ';
1645     }
1646
1647     /* hint files are stored in utf-8 */
1648     /* try convert hint file from utf-8 to terminal encoding */
1649     conv = str_crt_conv_from ("UTF-8");
1650     if (conv != INVALID_CONV)
1651     {
1652         GString *buffer;
1653
1654         buffer = g_string_sized_new (len - start);
1655         if (str_convert (conv, &data[start], buffer) != ESTR_FAILURE)
1656             result = g_string_free (buffer, FALSE);
1657         else
1658             g_string_free (buffer, TRUE);
1659         str_close_conv (conv);
1660     }
1661     else
1662         result = g_strndup (data + start, len - start);
1663
1664     g_free (data);
1665     return result;
1666 }
1667
1668
1669 /* --------------------------------------------------------------------------------------------- */
1670 /**
1671  * Load new hint and display it.
1672  * IF force is not 0, ignore the timeout.
1673  */
1674
1675 void
1676 load_hint (gboolean force)
1677 {
1678     char *hint;
1679
1680     if (WIDGET (the_hint)->owner == NULL)
1681         return;
1682
1683     if (!mc_global.message_visible)
1684     {
1685         label_set_text (the_hint, NULL);
1686         return;
1687     }
1688
1689     hint = get_random_hint (force);
1690
1691     if (hint != NULL)
1692     {
1693         if (*hint != '\0')
1694             set_hintbar (hint);
1695         g_free (hint);
1696     }
1697     else
1698     {
1699         char text[BUF_SMALL];
1700
1701         g_snprintf (text, sizeof (text), _("GNU Midnight Commander %s\n"), VERSION);
1702         set_hintbar (text);
1703     }
1704 }
1705
1706 /* --------------------------------------------------------------------------------------------- */
1707
1708 void
1709 change_panel (void)
1710 {
1711     input_free_completions (cmdline);
1712     dlg_select_next_widget (midnight_dlg);
1713 }
1714
1715 /* --------------------------------------------------------------------------------------------- */
1716
1717 /** Save current stat of directories to avoid reloading the panels
1718  * when no modifications have taken place
1719  */
1720 void
1721 save_cwds_stat (void)
1722 {
1723     if (panels_options.fast_reload)
1724     {
1725         mc_stat (current_panel->cwd_vpath, &(current_panel->dir_stat));
1726         if (get_other_type () == view_listing)
1727             mc_stat (other_panel->cwd_vpath, &(other_panel->dir_stat));
1728     }
1729 }
1730
1731 /* --------------------------------------------------------------------------------------------- */
1732
1733 gboolean
1734 quiet_quit_cmd (void)
1735 {
1736     print_last_revert = TRUE;
1737     return quit_cmd_internal (1);
1738 }
1739
1740 /* --------------------------------------------------------------------------------------------- */
1741
1742 /** Run the main dialog that occupies the whole screen */
1743 gboolean
1744 do_nc (void)
1745 {
1746     gboolean ret;
1747
1748 #ifdef USE_INTERNAL_EDIT
1749     edit_stack_init ();
1750 #endif
1751
1752     midnight_dlg = dlg_create (FALSE, 0, 0, 1, 1, WPOS_FULLSCREEN, FALSE, dialog_colors,
1753                                midnight_callback, NULL, "[main]", NULL);
1754
1755     /* Check if we were invoked as an editor or file viewer */
1756     if (mc_global.mc_run_mode != MC_RUN_FULL)
1757     {
1758         setup_dummy_mc ();
1759         ret = mc_maybe_editor_or_viewer ();
1760     }
1761     else
1762     {
1763         /* We only need the first idle event to show user menu after start */
1764         widget_idle (WIDGET (midnight_dlg), TRUE);
1765
1766         setup_mc ();
1767         mc_filehighlight = mc_fhl_new (TRUE);
1768         create_panels_and_run_mc ();
1769         mc_fhl_free (&mc_filehighlight);
1770
1771         ret = TRUE;
1772
1773         /* dlg_destroy destroys even current_panel->cwd_vpath, so we have to save a copy :) */
1774         if (mc_args__last_wd_file != NULL && vfs_current_is_local ())
1775             last_wd_string = g_strdup (vfs_path_as_str (current_panel->cwd_vpath));
1776
1777         /* don't handle VFS timestamps for dirs opened in panels */
1778         mc_event_destroy (MCEVENT_GROUP_CORE, "vfs_timestamp");
1779
1780         dir_list_clean (&panelized_panel.list);
1781     }
1782
1783     /* Program end */
1784     mc_global.midnight_shutdown = TRUE;
1785     dialog_switch_shutdown ();
1786     done_mc ();
1787     dlg_destroy (midnight_dlg);
1788     current_panel = NULL;
1789
1790 #ifdef USE_INTERNAL_EDIT
1791     edit_stack_free ();
1792 #endif
1793
1794     if ((quit & SUBSHELL_EXIT) == 0)
1795         clr_scr ();
1796
1797     return ret;
1798 }
1799
1800 /* --------------------------------------------------------------------------------------------- */