src/filemanager/midnight.c

   1 /*
   2    Main dialog (file panels) of the Midnight Commander
   3
   4    Copyright (C) 1994-2018
   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_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     set_display_type (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     set_display_type (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, 0);
 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     if ((current_panel != NULL) && (get_current_type () == view_listing))
 908         vfs_stamp_path (current_panel->cwd_vpath);
 909
 910     if ((other_panel != NULL) && (get_other_type () == view_listing))
 911         vfs_stamp_path (other_panel->cwd_vpath);
 912 }
 913
 914 /* --------------------------------------------------------------------------------------------- */
 915
 916 static void
 917 create_file_manager (void)
 918 {
 919     midnight_dlg->get_shortcut = midnight_get_shortcut;
 920     midnight_dlg->get_title = midnight_get_title;
 921     /* allow rebind tab */
 922     widget_want_tab (WIDGET (midnight_dlg), TRUE);
 923
 924     the_menubar = menubar_new (0, 0, COLS, NULL, menubar_visible);
 925     add_widget (midnight_dlg, the_menubar);
 926     init_menu ();
 927
 928     create_panels ();
 929     add_widget (midnight_dlg, get_panel_widget (0));
 930     add_widget (midnight_dlg, get_panel_widget (1));
 931
 932     the_hint = label_new (0, 0, 0);
 933     the_hint->transparent = 1;
 934     the_hint->auto_adjust_cols = 0;
 935     WIDGET (the_hint)->cols = COLS;
 936     add_widget (midnight_dlg, the_hint);
 937
 938     cmdline = command_new (0, 0, 0);
 939     add_widget (midnight_dlg, cmdline);
 940
 941     the_prompt = label_new (0, 0, mc_prompt);
 942     the_prompt->transparent = TRUE;
 943     add_widget (midnight_dlg, the_prompt);
 944
 945     the_bar = buttonbar_new (mc_global.keybar_visible);
 946     add_widget (midnight_dlg, the_bar);
 947     midnight_set_buttonbar (the_bar);
 948 }
 949
 950 /* --------------------------------------------------------------------------------------------- */
 951
 952 /** result must be free'd (I think this should go in util.c) */
 953 static vfs_path_t *
 954 prepend_cwd_on_local (const char *filename)
 955 {
 956     vfs_path_t *vpath;
 957
 958     vpath = vfs_path_from_str (filename);
 959     if (!vfs_file_is_local (vpath) || g_path_is_absolute (filename))
 960         return vpath;
 961
 962     vfs_path_free (vpath);
 963
 964     return vfs_path_append_new (vfs_get_raw_current_dir (), filename, (char *) NULL);
 965 }
 966
 967 /* --------------------------------------------------------------------------------------------- */
 968
 969 /** Invoke the internal view/edit routine with:
 970  * the default processing and forcing the internal viewer/editor
 971  */
 972 static gboolean
 973 mc_maybe_editor_or_viewer (void)
 974 {
 975     gboolean ret;
 976
 977     switch (mc_global.mc_run_mode)
 978     {
 979 #ifdef USE_INTERNAL_EDIT
 980     case MC_RUN_EDITOR:
 981         ret = edit_files ((GList *) mc_run_param0);
 982         break;
 983 #endif /* USE_INTERNAL_EDIT */
 984     case MC_RUN_VIEWER:
 985         {
 986             vfs_path_t *vpath = NULL;
 987
 988             if (mc_run_param0 != NULL && *(char *) mc_run_param0 != '\0')
 989                 vpath = prepend_cwd_on_local ((char *) mc_run_param0);
 990
 991             ret = view_file (vpath, FALSE, TRUE);
 992             vfs_path_free (vpath);
 993             break;
 994         }
 995 #ifdef USE_DIFF_VIEW
 996     case MC_RUN_DIFFVIEWER:
 997         ret = dview_diff_cmd (mc_run_param0, mc_run_param1);
 998         break;
 999 #endif /* USE_DIFF_VIEW */
1000     default:
1001         ret = FALSE;
1002     }
1003
1004     return ret;
1005 }
1006
1007 /* --------------------------------------------------------------------------------------------- */
1008
1009 static gboolean
1010 quit_cmd_internal (int quiet)
1011 {
1012     int q = quit;
1013     size_t n;
1014
1015     n = dialog_switch_num () - 1;
1016     if (n != 0)
1017     {
1018         char msg[BUF_MEDIUM];
1019
1020         g_snprintf (msg, sizeof (msg),
1021                     ngettext ("You have %zu opened screen. Quit anyway?",
1022                               "You have %zu opened screens. Quit anyway?", n), n);
1023
1024         if (query_dialog (_("The Midnight Commander"), msg, D_NORMAL, 2, _("&Yes"), _("&No")) != 0)
1025             return FALSE;
1026         q = 1;
1027     }
1028     else if (quiet || !confirm_exit)
1029         q = 1;
1030     else if (query_dialog (_("The Midnight Commander"),
1031                            _("Do you really want to quit the Midnight Commander?"),
1032                            D_NORMAL, 2, _("&Yes"), _("&No")) == 0)
1033         q = 1;
1034
1035     if (q != 0)
1036     {
1037 #ifdef ENABLE_SUBSHELL
1038         if (!mc_global.tty.use_subshell)
1039             stop_dialogs ();
1040         else if ((q = exit_subshell ()? 1 : 0) != 0)
1041 #endif
1042             stop_dialogs ();
1043     }
1044
1045     if (q != 0)
1046         quit |= 1;
1047     return (quit != 0);
1048 }
1049
1050 /* --------------------------------------------------------------------------------------------- */
1051
1052 static gboolean
1053 quit_cmd (void)
1054 {
1055     return quit_cmd_internal (0);
1056 }
1057
1058 /* --------------------------------------------------------------------------------------------- */
1059
1060 /**
1061  * Repaint the contents of the panels without frames.  To schedule panel
1062  * for repainting, set panel->dirty to 1.  There are many reasons why
1063  * the panels need to be repainted, and this is a costly operation, so
1064  * it's done once per event.
1065  */
1066
1067 static void
1068 update_dirty_panels (void)
1069 {
1070     if (get_current_type () == view_listing && current_panel->dirty)
1071         widget_redraw (WIDGET (current_panel));
1072
1073     if (get_other_type () == view_listing && other_panel->dirty)
1074         widget_redraw (WIDGET (other_panel));
1075 }
1076
1077 /* --------------------------------------------------------------------------------------------- */
1078
1079 static void
1080 toggle_show_hidden (void)
1081 {
1082     panels_options.show_dot_files = !panels_options.show_dot_files;
1083     update_panels (UP_RELOAD, UP_KEEPSEL);
1084     /* redraw panels forced */
1085     update_dirty_panels ();
1086 }
1087
1088 /* --------------------------------------------------------------------------------------------- */
1089
1090 static cb_ret_t
1091 midnight_execute_cmd (Widget * sender, long command)
1092 {
1093     cb_ret_t res = MSG_HANDLED;
1094
1095     (void) sender;
1096
1097     /* stop quick search before executing any command */
1098     send_message (current_panel, NULL, MSG_ACTION, CK_SearchStop, NULL);
1099
1100     switch (command)
1101     {
1102     case CK_ChangePanel:
1103         change_panel ();
1104         break;
1105     case CK_HotListAdd:
1106         add2hotlist_cmd ();
1107         break;
1108     case CK_SetupListingFormat:
1109         setup_listing_format_cmd ();
1110         break;
1111     case CK_ChangeMode:
1112         chmod_cmd ();
1113         break;
1114     case CK_ChangeOwn:
1115         chown_cmd ();
1116         break;
1117     case CK_ChangeOwnAdvanced:
1118         advanced_chown_cmd ();
1119         break;
1120     case CK_CompareDirs:
1121         compare_dirs_cmd ();
1122         break;
1123     case CK_Options:
1124         configure_box ();
1125         break;
1126 #ifdef ENABLE_VFS
1127     case CK_OptionsVfs:
1128         configure_vfs ();
1129         break;
1130 #endif
1131     case CK_OptionsConfirm:
1132         confirm_box ();
1133         break;
1134     case CK_Copy:
1135         copy_cmd ();
1136         break;
1137     case CK_PutCurrentPath:
1138         midnight_put_panel_path (current_panel);
1139         break;
1140     case CK_PutCurrentSelected:
1141         put_current_selected ();
1142         break;
1143     case CK_PutCurrentFullSelected:
1144         midnight_put_panel_path (current_panel);
1145         put_current_selected ();
1146         break;
1147     case CK_PutCurrentLink:
1148         put_current_link ();
1149         break;
1150     case CK_PutCurrentTagged:
1151         put_current_tagged ();
1152         break;
1153     case CK_PutOtherPath:
1154         if (get_other_type () == view_listing)
1155             midnight_put_panel_path (other_panel);
1156         break;
1157     case CK_PutOtherLink:
1158         put_other_link ();
1159         break;
1160     case CK_PutOtherTagged:
1161         put_other_tagged ();
1162         break;
1163     case CK_Delete:
1164         delete_cmd ();
1165         break;
1166     case CK_ScreenList:
1167         dialog_switch_list ();
1168         break;
1169 #ifdef USE_DIFF_VIEW
1170     case CK_CompareFiles:
1171         diff_view_cmd ();
1172         break;
1173 #endif
1174     case CK_OptionsDisplayBits:
1175         display_bits_box ();
1176         break;
1177     case CK_Edit:
1178         edit_cmd ();
1179         break;
1180 #ifdef USE_INTERNAL_EDIT
1181     case CK_EditForceInternal:
1182         edit_cmd_force_internal ();
1183         break;
1184 #endif
1185     case CK_EditExtensionsFile:
1186         ext_cmd ();
1187         break;
1188     case CK_EditFileHighlightFile:
1189         edit_fhl_cmd ();
1190         break;
1191     case CK_EditUserMenu:
1192         edit_mc_menu_cmd ();
1193         break;
1194     case CK_LinkSymbolicEdit:
1195         edit_symlink_cmd ();
1196         break;
1197     case CK_ExternalPanelize:
1198         external_panelize ();
1199         break;
1200     case CK_Filter:
1201         filter_cmd ();
1202         break;
1203     case CK_ViewFiltered:
1204         view_filtered_cmd ();
1205         break;
1206     case CK_Find:
1207         find_cmd ();
1208         break;
1209 #ifdef ENABLE_VFS_FISH
1210     case CK_ConnectFish:
1211         fishlink_cmd ();
1212         break;
1213 #endif
1214 #ifdef ENABLE_VFS_FTP
1215     case CK_ConnectFtp:
1216         ftplink_cmd ();
1217         break;
1218 #endif
1219 #ifdef ENABLE_VFS_SFTP
1220     case CK_ConnectSftp:
1221         sftplink_cmd ();
1222         break;
1223 #endif
1224 #ifdef ENABLE_VFS_SMB
1225     case CK_ConnectSmb:
1226         smblink_cmd ();
1227         break;
1228 #endif /* ENABLE_VFS_SMB */
1229     case CK_Panelize:
1230         cd_panelize_cmd ();
1231         break;
1232     case CK_Help:
1233         help_cmd ();
1234         break;
1235     case CK_History:
1236         /* show the history of command line widget */
1237         send_message (cmdline, NULL, MSG_ACTION, CK_History, NULL);
1238         break;
1239     case CK_PanelInfo:
1240         if (sender == WIDGET (the_menubar))
1241             info_cmd ();        /* menu */
1242         else
1243             info_cmd_no_menu ();        /* shortcut or buttonbar */
1244         break;
1245 #ifdef ENABLE_BACKGROUND
1246     case CK_Jobs:
1247         jobs_cmd ();
1248         break;
1249 #endif
1250     case CK_OptionsLayout:
1251         layout_box ();
1252         break;
1253     case CK_OptionsAppearance:
1254         appearance_box ();
1255         break;
1256     case CK_LearnKeys:
1257         learn_keys ();
1258         break;
1259     case CK_Link:
1260         link_cmd (LINK_HARDLINK);
1261         break;
1262     case CK_PanelListing:
1263         listing_cmd ();
1264         break;
1265 #ifdef LISTMODE_EDITOR
1266     case CK_ListMode:
1267         listmode_cmd ();
1268         break;
1269 #endif
1270     case CK_Menu:
1271         menu_cmd ();
1272         break;
1273     case CK_MenuLastSelected:
1274         menu_last_selected_cmd ();
1275         break;
1276     case CK_MakeDir:
1277         mkdir_cmd ();
1278         break;
1279     case CK_OptionsPanel:
1280         panel_options_box ();
1281         break;
1282 #ifdef HAVE_CHARSET
1283     case CK_SelectCodepage:
1284         encoding_cmd ();
1285         break;
1286 #endif
1287     case CK_CdQuick:
1288         quick_cd_cmd ();
1289         break;
1290     case CK_HotList:
1291         hotlist_cmd ();
1292         break;
1293     case CK_PanelQuickView:
1294         if (sender == WIDGET (the_menubar))
1295             quick_view_cmd ();  /* menu */
1296         else
1297             quick_cmd_no_menu ();       /* shortcut or buttonabr */
1298         break;
1299     case CK_QuitQuiet:
1300         quiet_quit_cmd ();
1301         break;
1302     case CK_Quit:
1303         quit_cmd ();
1304         break;
1305     case CK_LinkSymbolicRelative:
1306         link_cmd (LINK_SYMLINK_RELATIVE);
1307         break;
1308     case CK_Move:
1309         rename_cmd ();
1310         break;
1311     case CK_Reread:
1312         reread_cmd ();
1313         break;
1314 #ifdef ENABLE_VFS
1315     case CK_VfsList:
1316         vfs_list ();
1317         break;
1318 #endif
1319     case CK_SaveSetup:
1320         save_setup_cmd ();
1321         break;
1322     case CK_Select:
1323     case CK_Unselect:
1324     case CK_SelectInvert:
1325         res = send_message (current_panel, midnight_dlg, MSG_ACTION, command, NULL);
1326         break;
1327     case CK_Shell:
1328         view_other_cmd ();
1329         break;
1330     case CK_DirSize:
1331         smart_dirsize_cmd ();
1332         break;
1333     case CK_Sort:
1334         sort_cmd ();
1335         break;
1336     case CK_ExtendedKeyMap:
1337         ctl_x_cmd ();
1338         break;
1339     case CK_Suspend:
1340         mc_event_raise (MCEVENT_GROUP_CORE, "suspend", NULL);
1341         break;
1342     case CK_Swap:
1343         swap_cmd ();
1344         break;
1345     case CK_LinkSymbolic:
1346         link_cmd (LINK_SYMLINK_ABSOLUTE);
1347         break;
1348     case CK_ShowHidden:
1349         toggle_show_hidden ();
1350         break;
1351     case CK_SplitVertHoriz:
1352         toggle_panels_split ();
1353         break;
1354     case CK_SplitEqual:
1355         panels_split_equal ();
1356         break;
1357     case CK_SplitMore:
1358         panels_split_more ();
1359         break;
1360     case CK_SplitLess:
1361         panels_split_less ();
1362         break;
1363     case CK_PanelTree:
1364         panel_tree_cmd ();
1365         break;
1366     case CK_Tree:
1367         treebox_cmd ();
1368         break;
1369 #ifdef ENABLE_VFS_UNDELFS
1370     case CK_Undelete:
1371         undelete_cmd ();
1372         break;
1373 #endif
1374     case CK_UserMenu:
1375         user_file_menu_cmd ();
1376         break;
1377     case CK_View:
1378         view_cmd ();
1379         break;
1380     case CK_ViewFile:
1381         view_file_cmd ();
1382         break;
1383     case CK_Cancel:
1384         /* don't close panels due to SIGINT */
1385         break;
1386     default:
1387         res = MSG_NOT_HANDLED;
1388     }
1389
1390     return res;
1391 }
1392
1393 /* --------------------------------------------------------------------------------------------- */
1394
1395 /**
1396  * Whether the command-line should not respond to key events.
1397  *
1398  * This is TRUE if a QuickView or TreeView have the focus, as they're going
1399  * to consume some keys and there's no sense in passing to the command-line
1400  * just the leftovers.
1401  */
1402 static gboolean
1403 is_cmdline_mute (void)
1404 {
1405     /* When one of panels is other than view_listing,
1406        current_panel points to view_listing panel all time independently of
1407        it's activity. Thus, we can't use get_current_type() here.
1408        current_panel should point to actualy current active panel
1409        independently of it's type. */
1410     return (current_panel->active == 0
1411             && (get_other_type () == view_quick || get_other_type () == view_tree));
1412 }
1413
1414 /* --------------------------------------------------------------------------------------------- */
1415
1416 /**
1417  * Handles the Enter key on the command-line.
1418  *
1419  * Returns TRUE if non-whitespace was indeed processed.
1420  */
1421 static gboolean
1422 handle_cmdline_enter (void)
1423 {
1424     size_t i;
1425
1426     for (i = 0; cmdline->buffer[i] != '\0' && whitespace (cmdline->buffer[i]); i++)
1427         ;
1428
1429     if (cmdline->buffer[i] != '\0')
1430     {
1431         send_message (cmdline, NULL, MSG_KEY, '\n', NULL);
1432         return TRUE;
1433     }
1434
1435     input_insert (cmdline, "", FALSE);
1436     cmdline->point = 0;
1437
1438     return FALSE;
1439 }
1440
1441 /* --------------------------------------------------------------------------------------------- */
1442
1443 static cb_ret_t
1444 midnight_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
1445 {
1446     long command;
1447
1448     switch (msg)
1449     {
1450     case MSG_INIT:
1451         panel_init ();
1452         setup_panels ();
1453         return MSG_HANDLED;
1454
1455     case MSG_DRAW:
1456         load_hint (TRUE);
1457         /* We handle the special case of the output lines */
1458         if (mc_global.tty.console_flag != '\0' && output_lines)
1459             show_console_contents (output_start_y,
1460                                    LINES - output_lines - mc_global.keybar_visible -
1461                                    1, LINES - mc_global.keybar_visible - 1);
1462         return MSG_HANDLED;
1463
1464     case MSG_RESIZE:
1465         /* dlg_set_size() is surplus for this case */
1466         w->lines = LINES;
1467         w->cols = COLS;
1468         setup_panels ();
1469         menubar_arrange (the_menubar);
1470         return MSG_HANDLED;
1471
1472     case MSG_IDLE:
1473         /* We only need the first idle event to show user menu after start */
1474         widget_idle (w, FALSE);
1475
1476         if (boot_current_is_left)
1477             widget_select (get_panel_widget (0));
1478         else
1479             widget_select (get_panel_widget (1));
1480
1481         if (auto_menu)
1482             midnight_execute_cmd (NULL, CK_UserMenu);
1483         return MSG_HANDLED;
1484
1485     case MSG_KEY:
1486         if (ctl_x_map_enabled)
1487         {
1488             ctl_x_map_enabled = FALSE;
1489             command = keybind_lookup_keymap_command (main_x_map, parm);
1490             if (command != CK_IgnoreKey)
1491                 return midnight_execute_cmd (NULL, command);
1492         }
1493
1494         /* FIXME: should handle all menu shortcuts before this point */
1495         if (widget_get_state (WIDGET (the_menubar), WST_FOCUSED))
1496             return MSG_NOT_HANDLED;
1497
1498         if (parm == '\n' && !is_cmdline_mute ())
1499         {
1500             if (handle_cmdline_enter ())
1501                 return MSG_HANDLED;
1502             /* Else: the panel will handle it. */
1503         }
1504
1505         if ((!mc_global.tty.alternate_plus_minus
1506              || !(mc_global.tty.console_flag != '\0' || mc_global.tty.xterm_flag)) && !quote
1507             && !current_panel->searching)
1508         {
1509             if (!only_leading_plus_minus)
1510             {
1511                 /* Special treatement, since the input line will eat them */
1512                 if (parm == '+')
1513                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_Select, NULL);
1514
1515                 if (parm == '\\' || parm == '-')
1516                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_Unselect,
1517                                          NULL);
1518
1519                 if (parm == '*')
1520                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_SelectInvert,
1521                                          NULL);
1522             }
1523             else if (!command_prompt || cmdline->buffer[0] == '\0')
1524             {
1525                 /* Special treatement '+', '-', '\', '*' only when this is
1526                  * first char on input line
1527                  */
1528                 if (parm == '+')
1529                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_Select, NULL);
1530
1531                 if (parm == '\\' || parm == '-')
1532                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_Unselect,
1533                                          NULL);
1534
1535                 if (parm == '*')
1536                     return send_message (current_panel, midnight_dlg, MSG_ACTION, CK_SelectInvert,
1537                                          NULL);
1538             }
1539         }
1540         return MSG_NOT_HANDLED;
1541
1542     case MSG_HOTKEY_HANDLED:
1543         if ((get_current_type () == view_listing) && current_panel->searching)
1544         {
1545             current_panel->dirty = 1;   /* FIXME: unneeded? */
1546             send_message (current_panel, NULL, MSG_ACTION, CK_SearchStop, NULL);
1547         }
1548         return MSG_HANDLED;
1549
1550     case MSG_UNHANDLED_KEY:
1551         {
1552             cb_ret_t v = MSG_NOT_HANDLED;
1553
1554             if (ctl_x_map_enabled)
1555             {
1556                 ctl_x_map_enabled = FALSE;
1557                 command = keybind_lookup_keymap_command (main_x_map, parm);
1558             }
1559             else
1560                 command = keybind_lookup_keymap_command (main_map, parm);
1561
1562             if (command != CK_IgnoreKey)
1563                 v = midnight_execute_cmd (NULL, command);
1564
1565             if (v == MSG_NOT_HANDLED && command_prompt && !is_cmdline_mute ())
1566                 v = send_message (cmdline, NULL, MSG_KEY, parm, NULL);
1567
1568             return v;
1569         }
1570
1571     case MSG_POST_KEY:
1572         if (!widget_get_state (WIDGET (the_menubar), WST_FOCUSED))
1573             update_dirty_panels ();
1574         return MSG_HANDLED;
1575
1576     case MSG_ACTION:
1577         /* Handle shortcuts, menu, and buttonbar. */
1578         return midnight_execute_cmd (sender, parm);
1579
1580     case MSG_END:
1581         panel_deinit ();
1582         return MSG_HANDLED;
1583
1584     default:
1585         return dlg_default_callback (w, sender, msg, parm, data);
1586     }
1587 }
1588
1589 /* --------------------------------------------------------------------------------------------- */
1590 /*** public functions ****************************************************************************/
1591 /* --------------------------------------------------------------------------------------------- */
1592
1593 void
1594 update_menu (void)
1595 {
1596     menu_set_name (left_menu, panels_layout.horizontal_split ? _("&Above") : _("&Left"));
1597     menu_set_name (right_menu, panels_layout.horizontal_split ? _("&Below") : _("&Right"));
1598     menubar_arrange (the_menubar);
1599     menubar_set_visible (the_menubar, menubar_visible);
1600 }
1601
1602 /* --------------------------------------------------------------------------------------------- */
1603
1604 void
1605 midnight_set_buttonbar (WButtonBar * b)
1606 {
1607     buttonbar_set_label (b, 1, Q_ ("ButtonBar|Help"), main_map, NULL);
1608     buttonbar_set_label (b, 2, Q_ ("ButtonBar|Menu"), main_map, NULL);
1609     buttonbar_set_label (b, 3, Q_ ("ButtonBar|View"), main_map, NULL);
1610     buttonbar_set_label (b, 4, Q_ ("ButtonBar|Edit"), main_map, NULL);
1611     buttonbar_set_label (b, 5, Q_ ("ButtonBar|Copy"), main_map, NULL);
1612     buttonbar_set_label (b, 6, Q_ ("ButtonBar|RenMov"), main_map, NULL);
1613     buttonbar_set_label (b, 7, Q_ ("ButtonBar|Mkdir"), main_map, NULL);
1614     buttonbar_set_label (b, 8, Q_ ("ButtonBar|Delete"), main_map, NULL);
1615     buttonbar_set_label (b, 9, Q_ ("ButtonBar|PullDn"), main_map, NULL);
1616     buttonbar_set_label (b, 10, Q_ ("ButtonBar|Quit"), main_map, NULL);
1617 }
1618
1619 /* --------------------------------------------------------------------------------------------- */
1620 /**
1621  * Return a random hint.  If force is TRUE, ignore the timeout.
1622  */
1623
1624 char *
1625 get_random_hint (gboolean force)
1626 {
1627     static const guint64 update_period = 60 * G_USEC_PER_SEC;
1628     static guint64 tv = 0;
1629
1630     char *data, *result = NULL, *eop;
1631     size_t len, start;
1632     GIConv conv;
1633
1634     /* Do not change hints more often than one minute */
1635     if (!force && !mc_time_elapsed (&tv, update_period))
1636         return g_strdup ("");
1637
1638     data = load_mc_home_file (mc_global.share_data_dir, MC_HINT, NULL, &len);
1639     if (data == NULL)
1640         return NULL;
1641
1642     /* get a random entry */
1643     srand ((unsigned int) (tv / G_USEC_PER_SEC));
1644     start = ((size_t) rand ()) % (len - 1);
1645
1646     /* Search the start of paragraph */
1647     for (; start != 0; start--)
1648         if (data[start] == '\n' && data[start + 1] == '\n')
1649         {
1650             start += 2;
1651             break;
1652         }
1653
1654     /* Search the end of paragraph */
1655     for (eop = data + start; *eop != '\0'; eop++)
1656     {
1657         if (*eop == '\n' && *(eop + 1) == '\n')
1658         {
1659             *eop = '\0';
1660             break;
1661         }
1662         if (*eop == '\n')
1663             *eop = ' ';
1664     }
1665
1666     /* hint files are stored in utf-8 */
1667     /* try convert hint file from utf-8 to terminal encoding */
1668     conv = str_crt_conv_from ("UTF-8");
1669     if (conv != INVALID_CONV)
1670     {
1671         GString *buffer;
1672
1673         buffer = g_string_sized_new (len - start);
1674         if (str_convert (conv, &data[start], buffer) != ESTR_FAILURE)
1675             result = g_string_free (buffer, FALSE);
1676         else
1677             g_string_free (buffer, TRUE);
1678         str_close_conv (conv);
1679     }
1680     else
1681         result = g_strndup (data + start, len - start);
1682
1683     g_free (data);
1684     return result;
1685 }
1686
1687
1688 /* --------------------------------------------------------------------------------------------- */
1689 /**
1690  * Load new hint and display it.
1691  * IF force is not 0, ignore the timeout.
1692  */
1693
1694 void
1695 load_hint (gboolean force)
1696 {
1697     char *hint;
1698
1699     if (WIDGET (the_hint)->owner == NULL)
1700         return;
1701
1702     if (!mc_global.message_visible)
1703     {
1704         label_set_text (the_hint, NULL);
1705         return;
1706     }
1707
1708     hint = get_random_hint (force);
1709
1710     if (hint != NULL)
1711     {
1712         if (*hint != '\0')
1713             set_hintbar (hint);
1714         g_free (hint);
1715     }
1716     else
1717     {
1718         char text[BUF_SMALL];
1719
1720         g_snprintf (text, sizeof (text), _("GNU Midnight Commander %s\n"), VERSION);
1721         set_hintbar (text);
1722     }
1723 }
1724
1725 /* --------------------------------------------------------------------------------------------- */
1726
1727 void
1728 change_panel (void)
1729 {
1730     input_free_completions (cmdline);
1731     dlg_select_next_widget (midnight_dlg);
1732 }
1733
1734 /* --------------------------------------------------------------------------------------------- */
1735
1736 /** Save current stat of directories to avoid reloading the panels
1737  * when no modifications have taken place
1738  */
1739 void
1740 save_cwds_stat (void)
1741 {
1742     if (panels_options.fast_reload)
1743     {
1744         mc_stat (current_panel->cwd_vpath, &(current_panel->dir_stat));
1745         if (get_other_type () == view_listing)
1746             mc_stat (other_panel->cwd_vpath, &(other_panel->dir_stat));
1747     }
1748 }
1749
1750 /* --------------------------------------------------------------------------------------------- */
1751
1752 gboolean
1753 quiet_quit_cmd (void)
1754 {
1755     print_last_revert = TRUE;
1756     return quit_cmd_internal (1);
1757 }
1758
1759 /* --------------------------------------------------------------------------------------------- */
1760
1761 /** Run the main dialog that occupies the whole screen */
1762 gboolean
1763 do_nc (void)
1764 {
1765     gboolean ret;
1766
1767 #ifdef USE_INTERNAL_EDIT
1768     edit_stack_init ();
1769 #endif
1770
1771     midnight_dlg = dlg_create (FALSE, 0, 0, 1, 1, WPOS_FULLSCREEN, FALSE, dialog_colors,
1772                                midnight_callback, NULL, "[main]", NULL);
1773
1774     /* Check if we were invoked as an editor or file viewer */
1775     if (mc_global.mc_run_mode != MC_RUN_FULL)
1776     {
1777         setup_dummy_mc ();
1778         ret = mc_maybe_editor_or_viewer ();
1779     }
1780     else
1781     {
1782         /* We only need the first idle event to show user menu after start */
1783         widget_idle (WIDGET (midnight_dlg), TRUE);
1784
1785         setup_mc ();
1786         mc_filehighlight = mc_fhl_new (TRUE);
1787
1788         create_file_manager ();
1789         (void) dlg_run (midnight_dlg);
1790
1791         mc_fhl_free (&mc_filehighlight);
1792
1793         ret = TRUE;
1794
1795         /* dlg_destroy destroys even current_panel->cwd_vpath, so we have to save a copy :) */
1796         if (mc_args__last_wd_file != NULL && vfs_current_is_local ())
1797             last_wd_string = g_strdup (vfs_path_as_str (current_panel->cwd_vpath));
1798
1799         /* don't handle VFS timestamps for dirs opened in panels */
1800         mc_event_destroy (MCEVENT_GROUP_CORE, "vfs_timestamp");
1801
1802         dir_list_free_list (&panelized_panel.list);
1803     }
1804
1805     /* Program end */
1806     mc_global.midnight_shutdown = TRUE;
1807     dialog_switch_shutdown ();
1808     done_mc ();
1809     dlg_destroy (midnight_dlg);
1810     current_panel = NULL;
1811
1812 #ifdef USE_INTERNAL_EDIT
1813     edit_stack_free ();
1814 #endif
1815
1816     if ((quit & SUBSHELL_EXIT) == 0)
1817         clr_scr ();
1818
1819     return ret;
1820 }
1821
1822 /* --------------------------------------------------------------------------------------------- */