Manual pages: mcmcdiffmceditmcview

root/src/filemanager/filemanager.c

/* [previous][next][first][last][top][bottom][index][help]  */

DEFINITIONS

This source file includes following definitions.
  1. stop_dialogs
  2. treebox_cmd
  3. listmode_cmd
  4. create_panel_menu
  5. create_file_menu
  6. create_command_menu
  7. create_options_menu
  8. init_menu
  9. menu_last_selected_cmd
  10. menu_cmd
  11. sort_cmd
  12. midnight_get_shortcut
  13. midnight_get_title
  14. toggle_panels_split
  15. check_panel_timestamp
  16. check_current_panel_timestamp
  17. check_other_panel_timestamp
  18. print_vfs_message
  19. create_panels
  20. midnight_put_panel_path
  21. put_link
  22. put_current_link
  23. put_other_link
  24. put_current_selected
  25. put_tagged
  26. put_current_tagged
  27. put_other_tagged
  28. setup_mc
  29. setup_dummy_mc
  30. done_mc
  31. create_file_manager
  32. prepend_cwd_on_local
  33. mc_maybe_editor_or_viewer
  34. show_editor_viewer_history
  35. quit_cmd_internal
  36. quit_cmd
  37. update_dirty_panels
  38. toggle_show_hidden
  39. midnight_execute_cmd
  40. is_cmdline_mute
  41. handle_cmdline_enter
  42. midnight_callback
  43. update_menu
  44. midnight_set_buttonbar
  45. get_random_hint
  46. load_hint
  47. change_panel
  48. save_cwds_stat
  49. quiet_quit_cmd
  50. do_nc

   1 /*
   2    Main dialog (file panels) of the Midnight Commander
   3 
   4    Copyright (C) 1994-2025
   5    Free Software Foundation, Inc.
   6 
   7    Written by:
   8    Miguel de Icaza, 1994, 1995, 1996, 1997
   9    Janne Kukonlehto, 1994, 1995
  10    Norbert Warmuth, 1997
  11    Andrew Borodin <aborodin@vmail.ru>, 2009-2022
  12    Slava Zanko <slavazanko@gmail.com>, 2013
  13 
  14    This file is part of the Midnight Commander.
  15 
  16    The Midnight Commander is free software: you can redistribute it
  17    and/or modify it under the terms of the GNU General Public License as
  18    published by the Free Software Foundation, either version 3 of the License,
  19    or (at your option) any later version.
  20 
  21    The Midnight Commander is distributed in the hope that it will be useful,
  22    but WITHOUT ANY WARRANTY; without even the implied warranty of
  23    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24    GNU General Public License for more details.
  25 
  26    You should have received a copy of the GNU General Public License
  27    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  28  */
  29 
  30 /** \file filemanager.c
  31  *  \brief Source: main dialog (file panels) of the Midnight Commander
  32  */
  33 
  34 #include <config.h>
  35 
  36 #include <ctype.h>
  37 #include <locale.h>
  38 #include <stdio.h>
  39 #include <stdlib.h>
  40 #include <string.h>
  41 #include <sys/types.h>
  42 #include <sys/stat.h>
  43 #include <sys/wait.h>
  44 #include <pwd.h>  // for username in xterm title
  45 
  46 #include "lib/global.h"
  47 #include "lib/fileloc.h"  // MC_HINT, MC_FILEPOS_FILE
  48 #include "lib/tty/tty.h"
  49 #include "lib/tty/key.h"  // KEY_M_* masks
  50 #include "lib/skin.h"
  51 #include "lib/util.h"
  52 #include "lib/vfs/vfs.h"
  53 
  54 #include "src/args.h"
  55 #ifdef ENABLE_SUBSHELL
  56 #include "src/subshell/subshell.h"
  57 #endif
  58 #include "src/execute.h"  // toggle_subshell
  59 #include "src/setup.h"    // variables
  60 #include "src/learn.h"    // learn_keys()
  61 #include "src/keymap.h"
  62 #include "src/usermenu.h"  // user_file_menu_cmd()
  63 
  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 #ifdef USE_INTERNAL_EDIT
  77 #include "src/editor/edit.h"
  78 #endif
  79 
  80 #ifdef USE_DIFF_VIEW
  81 #include "src/diffviewer/ydiff.h"
  82 #endif
  83 
  84 #include "src/consaver/cons.saver.h"  // show_console_contents
  85 #include "src/file_history.h"         // show_file_history()
  86 
  87 #include "filemanager.h"
  88 
  89 /*** global variables ****************************************************************************/
  90 
  91 /* When the modes are active, left_panel, right_panel and tree_panel */
  92 /* point to a proper data structure.  You should check with the functions */
  93 /* get_current_type and get_other_type the types of the panels before using */
  94 /* this pointer variables */
  95 
  96 /* The structures for the panels */
  97 WPanel *left_panel = NULL;
  98 WPanel *right_panel = NULL;
  99 /* Pointer to the selected and unselected panel */
 100 WPanel *current_panel = NULL;
 101 
 102 /* The Menubar */
 103 WMenuBar *the_menubar = NULL;
 104 /* The widget where we draw the prompt */
 105 WLabel *the_prompt;
 106 /* The hint bar */
 107 WLabel *the_hint;
 108 /* The button bar */
 109 WButtonBar *the_bar;
 110 
 111 /* The prompt */
 112 char *mc_prompt = NULL;
 113 
 114 /* Color styles for hintbar and prompt */
 115 static const label_colors_t hintbar_colors = {
 116     [LABEL_COLOR_MAIN] = CORE_HINTBAR_COLOR,
 117     [LABEL_COLOR_DISABLED] = CORE_DISABLED_COLOR,  // unused
 118 };
 119 static const label_colors_t prompt_colors = {
 120     [LABEL_COLOR_MAIN] = CORE_SHELLPROMPT_COLOR,
 121     [LABEL_COLOR_DISABLED] = CORE_DISABLED_COLOR,  // unused
 122 };
 123 
 124 /*** file scope macro definitions ****************************************************************/
 125 
 126 /*** file scope type declarations ****************************************************************/
 127 
 128 /*** forward declarations (file scope functions) *************************************************/
 129 
 130 /*** file scope variables ************************************************************************/
 131 
 132 static menu_t *left_menu, *right_menu;
 133 
 134 /* --------------------------------------------------------------------------------------------- */
 135 /*** file scope functions ************************************************************************/
 136 /* --------------------------------------------------------------------------------------------- */
 137 
 138 /** Stop MC main dialog and the current dialog if it exists.
 139  * Needed to provide fast exit from MC viewer or editor on shell exit */
 140 static void
 141 stop_dialogs (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 142 {
 143     dlg_close (filemanager);
 144 
 145     if (top_dlg != NULL)
 146         dlg_close (DIALOG (top_dlg->data));
 147 }
 148 
 149 /* --------------------------------------------------------------------------------------------- */
 150 
 151 static void
 152 treebox_cmd (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 153 {
 154     const file_entry_t *fe;
 155     char *sel_dir;
 156 
 157     fe = panel_current_entry (current_panel);
 158     if (fe == NULL)
 159         return;
 160 
 161     sel_dir = tree_box (fe->fname->str);
 162     if (sel_dir != NULL)
 163     {
 164         vfs_path_t *sel_vdir;
 165 
 166         sel_vdir = vfs_path_from_str (sel_dir);
 167         panel_cd (current_panel, sel_vdir, cd_exact);
 168         vfs_path_free (sel_vdir, TRUE);
 169         g_free (sel_dir);
 170     }
 171 }
 172 
 173 /* --------------------------------------------------------------------------------------------- */
 174 
 175 #ifdef LISTMODE_EDITOR
 176 static void
 177 listmode_cmd (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 178 {
 179     char *newmode;
 180 
 181     if (get_current_type () != view_listing)
 182         return;
 183 
 184     newmode = listmode_edit (current_panel->user_format);
 185     if (!newmode)
 186         return;
 187 
 188     g_free (current_panel->user_format);
 189     current_panel->list_format = list_user;
 190     current_panel->user_format = newmode;
 191     set_panel_formats (current_panel);
 192 
 193     do_refresh ();
 194 }
 195 #endif
 196 
 197 /* --------------------------------------------------------------------------------------------- */
 198 
 199 static GList *
 200 create_panel_menu (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 201 {
 202     GList *entries = NULL;
 203 
 204     entries = g_list_prepend (entries, menu_entry_new (_ ("File listin&g"), CK_PanelListing));
 205     entries = g_list_prepend (entries, menu_entry_new (_ ("&Quick view"), CK_PanelQuickView));
 206     entries = g_list_prepend (entries, menu_entry_new (_ ("&Info"), CK_PanelInfo));
 207     entries = g_list_prepend (entries, menu_entry_new (_ ("&Tree"), CK_PanelTree));
 208     entries = g_list_prepend (entries, menu_entry_new (_ ("Paneli&ze"), CK_Panelize));
 209     entries = g_list_prepend (entries, menu_separator_new ());
 210     entries =
 211         g_list_prepend (entries, menu_entry_new (_ ("&Listing format..."), CK_SetupListingFormat));
 212     entries = g_list_prepend (entries, menu_entry_new (_ ("&Sort order..."), CK_Sort));
 213     entries = g_list_prepend (entries, menu_entry_new (_ ("&Filter..."), CK_Filter));
 214     entries = g_list_prepend (entries, menu_entry_new (_ ("&Encoding..."), CK_SelectCodepage));
 215     entries = g_list_prepend (entries, menu_separator_new ());
 216 #ifdef ENABLE_VFS_FTP
 217     entries = g_list_prepend (entries, menu_entry_new (_ ("FT&P link..."), CK_ConnectFtp));
 218 #endif
 219 #ifdef ENABLE_VFS_SHELL
 220     entries = g_list_prepend (entries, menu_entry_new (_ ("S&hell link..."), CK_ConnectShell));
 221 #endif
 222 #ifdef ENABLE_VFS_SFTP
 223     entries = g_list_prepend (entries, menu_entry_new (_ ("SFTP li&nk..."), CK_ConnectSftp));
 224 #endif
 225     entries = g_list_prepend (entries, menu_separator_new ());
 226     entries = g_list_prepend (entries, menu_entry_new (_ ("&Rescan"), CK_Reread));
 227 
 228     return g_list_reverse (entries);
 229 }
 230 
 231 /* --------------------------------------------------------------------------------------------- */
 232 
 233 static GList *
 234 create_file_menu (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 235 {
 236     GList *entries = NULL;
 237 
 238     entries = g_list_prepend (entries, menu_entry_new (_ ("&View"), CK_View));
 239     entries = g_list_prepend (entries, menu_entry_new (_ ("Vie&w file..."), CK_ViewFile));
 240     entries = g_list_prepend (entries, menu_entry_new (_ ("&Filtered view"), CK_ViewFiltered));
 241     entries = g_list_prepend (entries, menu_entry_new (_ ("&Edit"), CK_Edit));
 242     entries = g_list_prepend (entries, menu_entry_new (_ ("&Copy"), CK_Copy));
 243     entries = g_list_prepend (entries, menu_entry_new (_ ("C&hmod"), CK_ChangeMode));
 244     entries = g_list_prepend (entries, menu_entry_new (_ ("&Link"), CK_Link));
 245     entries = g_list_prepend (entries, menu_entry_new (_ ("&Symlink"), CK_LinkSymbolic));
 246     entries =
 247         g_list_prepend (entries, menu_entry_new (_ ("Relative symlin&k"), CK_LinkSymbolicRelative));
 248     entries = g_list_prepend (entries, menu_entry_new (_ ("Edit s&ymlink"), CK_LinkSymbolicEdit));
 249     entries = g_list_prepend (entries, menu_entry_new (_ ("Ch&own"), CK_ChangeOwn));
 250     entries =
 251         g_list_prepend (entries, menu_entry_new (_ ("&Advanced chown"), CK_ChangeOwnAdvanced));
 252 #ifdef ENABLE_EXT2FS_ATTR
 253     entries = g_list_prepend (entries, menu_entry_new (_ ("Cha&ttr"), CK_ChangeAttributes));
 254 #endif
 255     entries = g_list_prepend (entries, menu_entry_new (_ ("&Rename/Move"), CK_Move));
 256     entries = g_list_prepend (entries, menu_entry_new (_ ("&Mkdir"), CK_MakeDir));
 257     entries = g_list_prepend (entries, menu_entry_new (_ ("&Delete"), CK_Delete));
 258     entries = g_list_prepend (entries, menu_entry_new (_ ("&Quick cd"), CK_CdQuick));
 259     entries = g_list_prepend (entries, menu_separator_new ());
 260     entries = g_list_prepend (entries, menu_entry_new (_ ("Select &group"), CK_Select));
 261     entries = g_list_prepend (entries, menu_entry_new (_ ("U&nselect group"), CK_Unselect));
 262     entries = g_list_prepend (entries, menu_entry_new (_ ("&Invert selection"), CK_SelectInvert));
 263     entries = g_list_prepend (entries, menu_separator_new ());
 264     entries = g_list_prepend (entries, menu_entry_new (_ ("E&xit"), CK_Quit));
 265 
 266     return g_list_reverse (entries);
 267 }
 268 
 269 /* --------------------------------------------------------------------------------------------- */
 270 
 271 static GList *
 272 create_command_menu (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 273 {
 274     /* I know, I'm lazy, but the tree widget when it's not running
 275      * as a panel still has some problems, I have not yet finished
 276      * the WTree widget port, sorry.
 277      */
 278     GList *entries = NULL;
 279 
 280     entries = g_list_prepend (entries, menu_entry_new (_ ("&User menu"), CK_UserMenu));
 281     entries = g_list_prepend (entries, menu_entry_new (_ ("&Directory tree"), CK_Tree));
 282     entries = g_list_prepend (entries, menu_entry_new (_ ("&Find file"), CK_Find));
 283     entries = g_list_prepend (entries, menu_entry_new (_ ("S&wap panels"), CK_Swap));
 284     entries = g_list_prepend (entries, menu_entry_new (_ ("Switch &panels on/off"), CK_Shell));
 285     entries = g_list_prepend (entries, menu_entry_new (_ ("&Compare directories"), CK_CompareDirs));
 286 #ifdef USE_DIFF_VIEW
 287     entries = g_list_prepend (entries, menu_entry_new (_ ("C&ompare files"), CK_CompareFiles));
 288 #endif
 289     entries =
 290         g_list_prepend (entries, menu_entry_new (_ ("E&xternal panelize"), CK_ExternalPanelize));
 291     entries = g_list_prepend (entries, menu_entry_new (_ ("Show directory s&izes"), CK_DirSize));
 292     entries = g_list_prepend (entries, menu_separator_new ());
 293     entries = g_list_prepend (entries, menu_entry_new (_ ("Command &history"), CK_History));
 294     entries = g_list_prepend (
 295         entries, menu_entry_new (_ ("Viewed/edited files hi&story"), CK_EditorViewerHistory));
 296     entries = g_list_prepend (entries, menu_entry_new (_ ("Di&rectory hotlist"), CK_HotList));
 297 #ifdef ENABLE_VFS
 298     entries = g_list_prepend (entries, menu_entry_new (_ ("&Active VFS list"), CK_VfsList));
 299 #endif
 300 #ifdef ENABLE_BACKGROUND
 301     entries = g_list_prepend (entries, menu_entry_new (_ ("&Background jobs"), CK_Jobs));
 302 #endif
 303     entries = g_list_prepend (entries, menu_entry_new (_ ("Screen lis&t"), CK_ScreenList));
 304     entries = g_list_prepend (entries, menu_separator_new ());
 305 #ifdef LISTMODE_EDITOR
 306     entries = g_list_prepend (entries, menu_entry_new (_ ("&Listing format edit"), CK_ListMode));
 307     entries = g_list_prepend (entries, menu_separator_new ());
 308 #endif
 309     entries = g_list_prepend (entries,
 310                               menu_entry_new (_ ("Edit &extension file"), CK_EditExtensionsFile));
 311     entries = g_list_prepend (entries, menu_entry_new (_ ("Edit &menu file"), CK_EditUserMenu));
 312     entries = g_list_prepend (
 313         entries, menu_entry_new (_ ("Edit hi&ghlighting group file"), CK_EditFileHighlightFile));
 314 
 315     return g_list_reverse (entries);
 316 }
 317 
 318 /* --------------------------------------------------------------------------------------------- */
 319 
 320 static GList *
 321 create_options_menu (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 322 {
 323     GList *entries = NULL;
 324 
 325     entries = g_list_prepend (entries, menu_entry_new (_ ("&Configuration..."), CK_Options));
 326     entries = g_list_prepend (entries, menu_entry_new (_ ("&Layout..."), CK_OptionsLayout));
 327     entries = g_list_prepend (entries, menu_entry_new (_ ("&Panel options..."), CK_OptionsPanel));
 328     entries = g_list_prepend (entries, menu_entry_new (_ ("C&onfirmation..."), CK_OptionsConfirm));
 329     entries = g_list_prepend (entries, menu_entry_new (_ ("&Appearance..."), CK_OptionsAppearance));
 330     entries = g_list_prepend (entries, menu_entry_new (_ ("Learn &keys..."), CK_LearnKeys));
 331 #ifdef ENABLE_VFS
 332     entries = g_list_prepend (entries, menu_entry_new (_ ("&Virtual FS..."), CK_OptionsVfs));
 333 #endif
 334     entries = g_list_prepend (entries, menu_separator_new ());
 335     entries = g_list_prepend (entries, menu_entry_new (_ ("&Save setup"), CK_SaveSetup));
 336     entries = g_list_prepend (entries, menu_separator_new ());
 337     entries = g_list_prepend (entries, menu_entry_new (_ ("A&bout..."), CK_About));
 338 
 339     return g_list_reverse (entries);
 340 }
 341 
 342 /* --------------------------------------------------------------------------------------------- */
 343 
 344 static void
 345 init_menu (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 346 {
 347     left_menu = menu_new ("", create_panel_menu (), "[Left and Right Menus]");
 348     menubar_add_menu (the_menubar, left_menu);
 349     menubar_add_menu (the_menubar, menu_new (_ ("&File"), create_file_menu (), "[File Menu]"));
 350     menubar_add_menu (the_menubar,
 351                       menu_new (_ ("&Command"), create_command_menu (), "[Command Menu]"));
 352     menubar_add_menu (the_menubar,
 353                       menu_new (_ ("&Options"), create_options_menu (), "[Options Menu]"));
 354     right_menu = menu_new ("", create_panel_menu (), "[Left and Right Menus]");
 355     menubar_add_menu (the_menubar, right_menu);
 356     update_menu ();
 357 }
 358 
 359 /* --------------------------------------------------------------------------------------------- */
 360 
 361 static void
 362 menu_last_selected_cmd (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 363 {
 364     menubar_activate (the_menubar, drop_menus, -1);
 365 }
 366 
 367 /* --------------------------------------------------------------------------------------------- */
 368 
 369 static void
 370 menu_cmd (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 371 {
 372     int selected;
 373 
 374     if ((get_current_index () == 0) == current_panel->active)
 375         selected = 0;
 376     else
 377         selected = g_list_length (the_menubar->menu) - 1;
 378 
 379     menubar_activate (the_menubar, drop_menus, selected);
 380 }
 381 
 382 /* --------------------------------------------------------------------------------------------- */
 383 
 384 static void
 385 sort_cmd (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 386 {
 387     WPanel *p;
 388     const panel_field_t *sort_order;
 389 
 390     if (!SELECTED_IS_PANEL)
 391         return;
 392 
 393     p = MENU_PANEL;
 394     sort_order = sort_box (&p->sort_info, p->sort_field);
 395     panel_set_sort_order (p, sort_order);
 396 }
 397 
 398 /* --------------------------------------------------------------------------------------------- */
 399 
 400 static char *
 401 midnight_get_shortcut (long command)
     /* [previous][next][first][last][top][bottom][index][help]  */
 402 {
 403     const char *ext_map;
 404     const char *shortcut = NULL;
 405 
 406     shortcut = keybind_lookup_keymap_shortcut (filemanager_map, command);
 407     if (shortcut != NULL)
 408         return g_strdup (shortcut);
 409 
 410     shortcut = keybind_lookup_keymap_shortcut (panel_map, command);
 411     if (shortcut != NULL)
 412         return g_strdup (shortcut);
 413 
 414     ext_map = keybind_lookup_keymap_shortcut (filemanager_map, CK_ExtendedKeyMap);
 415     if (ext_map != NULL)
 416         shortcut = keybind_lookup_keymap_shortcut (filemanager_x_map, command);
 417     if (shortcut != NULL)
 418         return g_strdup_printf ("%s %s", ext_map, shortcut);
 419 
 420     return NULL;
 421 }
 422 
 423 /* --------------------------------------------------------------------------------------------- */
 424 
 425 static char *
 426 midnight_get_title (const WDialog *h, const ssize_t width)
     /* [previous][next][first][last][top][bottom][index][help]  */
 427 {
 428     char *path;
 429     char *login;
 430     char *p;
 431 
 432     (void) h;
 433 
 434     title_path_prepare (&path, &login);
 435 
 436     p = g_strdup_printf ("%s [%s]:%s", _ ("Panels:"), login, path);
 437     g_free (path);
 438     g_free (login);
 439     path = g_strdup (str_trunc (p, width - 4));
 440     g_free (p);
 441 
 442     return path;
 443 }
 444 
 445 /* --------------------------------------------------------------------------------------------- */
 446 
 447 static void
 448 toggle_panels_split (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 449 {
 450     panels_layout.horizontal_split = !panels_layout.horizontal_split;
 451     layout_change ();
 452     do_refresh ();
 453 }
 454 
 455 /* --------------------------------------------------------------------------------------------- */
 456 
 457 #ifdef ENABLE_VFS
 458 /* event helper */
 459 static gboolean
 460 check_panel_timestamp (const WPanel *panel, panel_view_mode_t mode, const struct vfs_class *vclass,
     /* [previous][next][first][last][top][bottom][index][help]  */
 461                        const vfsid id)
 462 {
 463     return (mode != view_listing
 464             || (vfs_path_get_last_path_vfs (panel->cwd_vpath) == vclass
 465                 && vfs_getid (panel->cwd_vpath) == id));
 466 }
 467 
 468 /* --------------------------------------------------------------------------------------------- */
 469 
 470 /* event callback */
 471 static gboolean
 472 check_current_panel_timestamp (const gchar *event_group_name, const gchar *event_name,
     /* [previous][next][first][last][top][bottom][index][help]  */
 473                                gpointer init_data, gpointer data)
 474 {
 475     ev_vfs_stamp_create_t *event_data = (ev_vfs_stamp_create_t *) data;
 476 
 477     (void) event_group_name;
 478     (void) event_name;
 479     (void) init_data;
 480 
 481     event_data->ret = check_panel_timestamp (current_panel, get_current_type (), event_data->vclass,
 482                                              event_data->id);
 483     return !event_data->ret;
 484 }
 485 
 486 /* --------------------------------------------------------------------------------------------- */
 487 
 488 /* event callback */
 489 static gboolean
 490 check_other_panel_timestamp (const gchar *event_group_name, const gchar *event_name,
     /* [previous][next][first][last][top][bottom][index][help]  */
 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 (other_panel, get_other_type (), event_data->vclass, event_data->id);
 501     return !event_data->ret;
 502 }
 503 #endif
 504 
 505 /* --------------------------------------------------------------------------------------------- */
 506 
 507 /* event callback */
 508 static gboolean
 509 print_vfs_message (const gchar *event_group_name, const gchar *event_name, gpointer init_data,
     /* [previous][next][first][last][top][bottom][index][help]  */
 510                    gpointer data)
 511 {
 512     ev_vfs_print_message_t *event_data = (ev_vfs_print_message_t *) data;
 513 
 514     (void) event_group_name;
 515     (void) event_name;
 516     (void) init_data;
 517 
 518     if (mc_global.midnight_shutdown)
 519         goto ret;
 520 
 521     if (!mc_global.message_visible || the_hint == NULL || WIDGET (the_hint)->owner == NULL)
 522     {
 523         int col, row;
 524 
 525         if (!nice_rotating_dash || (ok_to_refresh <= 0))
 526             goto ret;
 527 
 528         // Preserve current cursor position
 529         tty_getyx (&row, &col);
 530 
 531         tty_gotoyx (0, 0);
 532         tty_setcolor (CORE_NORMAL_COLOR);
 533         tty_print_string (str_fit_to_term (event_data->msg, COLS - 1, J_LEFT));
 534 
 535         // Restore cursor position
 536         tty_gotoyx (row, col);
 537         mc_refresh ();
 538         goto ret;
 539     }
 540 
 541     if (mc_global.message_visible)
 542         set_hintbar (event_data->msg);
 543 
 544 ret:
 545     MC_PTR_FREE (event_data->msg);
 546     return TRUE;
 547 }
 548 
 549 /* --------------------------------------------------------------------------------------------- */
 550 
 551 static void
 552 create_panels (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 553 {
 554     int current_index, other_index;
 555     panel_view_mode_t current_mode, other_mode;
 556     char *current_dir, *other_dir;
 557     vfs_path_t *original_dir;
 558 
 559     /*
 560      * Following cases from command line are possible:
 561      * 'mc' (no arguments):            mc_run_param0 == NULL, mc_run_param1 == NULL
 562      *                                 active panel uses current directory
 563      *                                 passive panel uses "other_dir" from panels.ini
 564      *
 565      * 'mc dir1 dir2' (two arguments): mc_run_param0 != NULL, mc_run_param1 != NULL
 566      *                                 active panel uses mc_run_param0
 567      *                                 passive panel uses mc_run_param1
 568      *
 569      * 'mc dir1' (single argument):    mc_run_param0 != NULL, mc_run_param1 == NULL
 570      *                                 active panel uses mc_run_param0
 571      *                                 passive panel uses "other_dir" from panels.ini
 572      */
 573 
 574     // Set up panel directories
 575     if (boot_current_is_left)
 576     {
 577         // left panel is active
 578         current_index = 0;
 579         other_index = 1;
 580         current_mode = startup_left_mode;
 581         other_mode = startup_right_mode;
 582 
 583         if (mc_run_param0 == NULL && mc_run_param1 == NULL)
 584         {
 585             // no arguments
 586             current_dir = NULL;           // assume current dir
 587             other_dir = saved_other_dir;  // from ini
 588         }
 589         else if (mc_run_param0 != NULL && mc_run_param1 != NULL)
 590         {
 591             // two arguments
 592             current_dir = (char *) mc_run_param0;
 593             other_dir = mc_run_param1;
 594         }
 595         else  // mc_run_param0 != NULL && mc_run_param1 == NULL
 596         {
 597             // one argument
 598             current_dir = (char *) mc_run_param0;
 599             other_dir = saved_other_dir;  // from ini
 600         }
 601     }
 602     else
 603     {
 604         // right panel is active
 605         current_index = 1;
 606         other_index = 0;
 607         current_mode = startup_right_mode;
 608         other_mode = startup_left_mode;
 609 
 610         if (mc_run_param0 == NULL && mc_run_param1 == NULL)
 611         {
 612             // no arguments
 613             current_dir = NULL;           // assume current dir
 614             other_dir = saved_other_dir;  // from ini
 615         }
 616         else if (mc_run_param0 != NULL && mc_run_param1 != NULL)
 617         {
 618             // two arguments
 619             current_dir = (char *) mc_run_param0;
 620             other_dir = mc_run_param1;
 621         }
 622         else  // mc_run_param0 != NULL && mc_run_param1 == NULL
 623         {
 624             // one argument
 625             current_dir = (char *) mc_run_param0;
 626             other_dir = saved_other_dir;  // from ini
 627         }
 628     }
 629 
 630     // 1. Get current dir
 631     original_dir = vfs_path_clone (vfs_get_raw_current_dir ());
 632 
 633     // 2. Create passive panel
 634     if (other_dir != NULL)
 635     {
 636         vfs_path_t *vpath;
 637 
 638         if (g_path_is_absolute (other_dir))
 639             vpath = vfs_path_from_str (other_dir);
 640         else
 641             vpath = vfs_path_append_new (original_dir, other_dir, (char *) NULL);
 642         mc_chdir (vpath);
 643         vfs_path_free (vpath, TRUE);
 644     }
 645     create_panel (other_index, other_mode);
 646 
 647     // 3. Create active panel
 648     if (current_dir == NULL)
 649         mc_chdir (original_dir);
 650     else
 651     {
 652         vfs_path_t *vpath;
 653 
 654         if (g_path_is_absolute (current_dir))
 655             vpath = vfs_path_from_str (current_dir);
 656         else
 657             vpath = vfs_path_append_new (original_dir, current_dir, (char *) NULL);
 658         mc_chdir (vpath);
 659         vfs_path_free (vpath, TRUE);
 660     }
 661     create_panel (current_index, current_mode);
 662 
 663     if (startup_left_mode == view_listing)
 664         current_panel = left_panel;
 665     else if (right_panel != NULL)
 666         current_panel = right_panel;
 667     else
 668         current_panel = left_panel;
 669 
 670     vfs_path_free (original_dir, TRUE);
 671 
 672 #ifdef ENABLE_VFS
 673     mc_event_add (MCEVENT_GROUP_CORE, "vfs_timestamp", check_other_panel_timestamp, NULL, NULL);
 674     mc_event_add (MCEVENT_GROUP_CORE, "vfs_timestamp", check_current_panel_timestamp, NULL, NULL);
 675 #endif
 676 
 677     mc_event_add (MCEVENT_GROUP_CORE, "vfs_print_message", print_vfs_message, NULL, NULL);
 678 }
 679 
 680 /* --------------------------------------------------------------------------------------------- */
 681 
 682 static void
 683 midnight_put_panel_path (WPanel *panel)
     /* [previous][next][first][last][top][bottom][index][help]  */
 684 {
 685     vfs_path_t *cwd_vpath;
 686     const char *cwd_vpath_str;
 687 
 688     if (!command_prompt)
 689         return;
 690 
 691     cwd_vpath = remove_encoding_from_path (panel->cwd_vpath);
 692     cwd_vpath_str = vfs_path_as_str (cwd_vpath);
 693 
 694     command_insert (cmdline, cwd_vpath_str, FALSE);
 695 
 696     if (!IS_PATH_SEP (cwd_vpath_str[strlen (cwd_vpath_str) - 1]))
 697         command_insert (cmdline, PATH_SEP_STR, FALSE);
 698 
 699     vfs_path_free (cwd_vpath, TRUE);
 700 }
 701 
 702 /* --------------------------------------------------------------------------------------------- */
 703 
 704 static void
 705 put_link (WPanel *panel)
     /* [previous][next][first][last][top][bottom][index][help]  */
 706 {
 707     const file_entry_t *fe;
 708 
 709     if (!command_prompt)
 710         return;
 711 
 712     fe = panel_current_entry (panel);
 713 
 714     if (fe != NULL && S_ISLNK (fe->st.st_mode))
 715     {
 716         char buffer[MC_MAXPATHLEN];
 717         vfs_path_t *vpath;
 718         int i;
 719 
 720         vpath = vfs_path_append_new (panel->cwd_vpath, fe->fname->str, (char *) NULL);
 721         i = mc_readlink (vpath, buffer, sizeof (buffer) - 1);
 722         vfs_path_free (vpath, TRUE);
 723 
 724         if (i > 0)
 725         {
 726             buffer[i] = '\0';
 727             command_insert (cmdline, buffer, TRUE);
 728         }
 729     }
 730 }
 731 
 732 /* --------------------------------------------------------------------------------------------- */
 733 
 734 static void
 735 put_current_link (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 736 {
 737     put_link (current_panel);
 738 }
 739 
 740 /* --------------------------------------------------------------------------------------------- */
 741 
 742 static void
 743 put_other_link (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 744 {
 745     if (get_other_type () == view_listing)
 746         put_link (other_panel);
 747 }
 748 
 749 /* --------------------------------------------------------------------------------------------- */
 750 
 751 /** Insert the selected file name into the input line */
 752 static void
 753 put_current_selected (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 754 {
 755     if (!command_prompt)
 756         return;
 757 
 758     if (get_current_type () == view_tree)
 759     {
 760         WTree *tree;
 761         const vfs_path_t *selected_name;
 762 
 763         tree = (WTree *) get_panel_widget (get_current_index ());
 764         selected_name = tree_selected_name (tree);
 765         command_insert (cmdline, vfs_path_as_str (selected_name), TRUE);
 766     }
 767     else
 768     {
 769         const file_entry_t *fe;
 770 
 771         fe = panel_current_entry (current_panel);
 772         if (fe != NULL)
 773             command_insert (cmdline, fe->fname->str, TRUE);
 774     }
 775 }
 776 
 777 /* --------------------------------------------------------------------------------------------- */
 778 
 779 static void
 780 put_tagged (const WPanel *panel)
     /* [previous][next][first][last][top][bottom][index][help]  */
 781 {
 782     if (!command_prompt)
 783         return;
 784 
 785     input_disable_update (cmdline);
 786 
 787     if (panel->marked == 0)
 788     {
 789         const file_entry_t *fe = panel_current_entry (panel);
 790 
 791         if (fe != NULL)
 792             command_insert (cmdline, fe->fname->str, TRUE);
 793     }
 794     else
 795         for (int m = 0, i = 0; m < panel->marked && i < panel->dir.len; i++)
 796             if (panel->dir.list[i].f.marked != 0)
 797             {
 798                 command_insert (cmdline, panel->dir.list[i].fname->str, TRUE);
 799                 m++;
 800             }
 801 
 802     input_enable_update (cmdline);
 803 }
 804 
 805 /* --------------------------------------------------------------------------------------------- */
 806 
 807 static void
 808 put_current_tagged (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 809 {
 810     put_tagged (current_panel);
 811 }
 812 
 813 /* --------------------------------------------------------------------------------------------- */
 814 
 815 static void
 816 put_other_tagged (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 817 {
 818     if (get_other_type () == view_listing)
 819         put_tagged (other_panel);
 820 }
 821 
 822 /* --------------------------------------------------------------------------------------------- */
 823 
 824 static void
 825 setup_mc (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 826 {
 827     tty_display_8bit (TRUE);
 828 
 829     const int baudrate = tty_baudrate ();
 830     if ((baudrate > 0 && baudrate < 9600) || mc_global.tty.slow_terminal)
 831         verbose = FALSE;
 832 }
 833 
 834 /* --------------------------------------------------------------------------------------------- */
 835 
 836 static void
 837 setup_dummy_mc (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 838 {
 839     vfs_path_t *vpath;
 840     char *d;
 841     int ret;
 842 
 843     d = vfs_get_cwd ();
 844     setup_mc ();
 845     vpath = vfs_path_from_str (d);
 846     ret = mc_chdir (vpath);
 847     (void) ret;
 848     vfs_path_free (vpath, TRUE);
 849     g_free (d);
 850 }
 851 
 852 /* --------------------------------------------------------------------------------------------- */
 853 
 854 static void
 855 done_mc (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 856 {
 857     /* Setup shutdown
 858      *
 859      * We sync the profiles since the hotlist may have changed, while
 860      * we only change the setup data if we have the auto save feature set
 861      */
 862 
 863     save_setup (auto_save_setup, panels_options.auto_save_setup);
 864 
 865     vfs_stamp_path (vfs_get_raw_current_dir ());
 866 }
 867 
 868 /* --------------------------------------------------------------------------------------------- */
 869 
 870 static void
 871 create_file_manager (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 872 {
 873     Widget *w = WIDGET (filemanager);
 874     WGroup *g = GROUP (filemanager);
 875 
 876     w->keymap = filemanager_map;
 877     w->ext_keymap = filemanager_x_map;
 878 
 879     filemanager->get_shortcut = midnight_get_shortcut;
 880     filemanager->get_title = midnight_get_title;
 881     // allow rebind tab
 882     widget_want_tab (w, TRUE);
 883 
 884     the_menubar = menubar_new (NULL);
 885     group_add_widget (g, the_menubar);
 886     init_menu ();
 887 
 888     create_panels ();
 889     group_add_widget (g, get_panel_widget (0));
 890     group_add_widget (g, get_panel_widget (1));
 891 
 892     the_hint = label_new (0, 0, NULL);
 893     the_hint->color = hintbar_colors;
 894     the_hint->auto_adjust_cols = 0;
 895     WIDGET (the_hint)->rect.cols = COLS;
 896     group_add_widget (g, the_hint);
 897 
 898     cmdline = command_new (0, 0, 0);
 899     group_add_widget (g, cmdline);
 900 
 901     the_prompt = label_new (0, 0, mc_prompt);
 902     the_prompt->color = prompt_colors;
 903     group_add_widget (g, the_prompt);
 904 
 905     the_bar = buttonbar_new ();
 906     group_add_widget (g, the_bar);
 907     midnight_set_buttonbar (the_bar);
 908 
 909 #ifdef ENABLE_SUBSHELL
 910     /* Must be done after creation of cmdline and prompt widgets to avoid potential
 911        NULL dereference in load_prompt() -> ... -> setup_cmdline() -> label_set_text(). */
 912     if (mc_global.tty.use_subshell)
 913         add_select_channel (mc_global.tty.subshell_pty, load_prompt, NULL);
 914 #endif
 915 }
 916 
 917 /* --------------------------------------------------------------------------------------------- */
 918 
 919 /** result must be free'd (I think this should go in util.c) */
 920 static vfs_path_t *
 921 prepend_cwd_on_local (const char *filename)
     /* [previous][next][first][last][top][bottom][index][help]  */
 922 {
 923     vfs_path_t *vpath;
 924 
 925     vpath = vfs_path_from_str (filename);
 926     if (!vfs_file_is_local (vpath) || g_path_is_absolute (filename))
 927         return vpath;
 928 
 929     vfs_path_free (vpath, TRUE);
 930 
 931     return vfs_path_append_new (vfs_get_raw_current_dir (), filename, (char *) NULL);
 932 }
 933 
 934 /* --------------------------------------------------------------------------------------------- */
 935 
 936 /** Invoke the internal view/edit routine with:
 937  * the default processing and forcing the internal viewer/editor
 938  */
 939 static gboolean
 940 mc_maybe_editor_or_viewer (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 941 {
 942     gboolean ret;
 943 
 944     switch (mc_global.mc_run_mode)
 945     {
 946 #ifdef USE_INTERNAL_EDIT
 947     case MC_RUN_EDITOR:
 948         ret = edit_files ((GList *) mc_run_param0);
 949         break;
 950 #endif
 951     case MC_RUN_VIEWER:
 952     {
 953         vfs_path_t *vpath = NULL;
 954 
 955         if (mc_run_param0 != NULL && *(char *) mc_run_param0 != '\0')
 956             vpath = prepend_cwd_on_local ((char *) mc_run_param0);
 957 
 958         ret = view_file (vpath, FALSE, TRUE);
 959         vfs_path_free (vpath, TRUE);
 960         break;
 961     }
 962 #ifdef USE_DIFF_VIEW
 963     case MC_RUN_DIFFVIEWER:
 964         ret = dview_diff_cmd (mc_run_param0, mc_run_param1);
 965         break;
 966 #endif
 967     default:
 968         ret = FALSE;
 969     }
 970 
 971     return ret;
 972 }
 973 
 974 /* --------------------------------------------------------------------------------------------- */
 975 
 976 static void
 977 show_editor_viewer_history (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
 978 {
 979     char *s;
 980     int act;
 981 
 982     s = show_file_history (WIDGET (filemanager), &act);
 983     if (s != NULL)
 984     {
 985         vfs_path_t *s_vpath;
 986 
 987         switch (act)
 988         {
 989         case CK_Edit:
 990             s_vpath = vfs_path_from_str (s);
 991             edit_file_at_line (s_vpath, use_internal_edit, 0);
 992             break;
 993 
 994         case CK_View:
 995             s_vpath = vfs_path_from_str (s);
 996             view_file (s_vpath, use_internal_view, FALSE);
 997             break;
 998 
 999         default:
1000         {
1001             char *d;
1002 
1003             d = g_path_get_dirname (s);
1004             s_vpath = vfs_path_from_str (d);
1005             panel_cd (current_panel, s_vpath, cd_exact);
1006             panel_set_current_by_name (current_panel, s);
1007             g_free (d);
1008         }
1009         }
1010 
1011         g_free (s);
1012         vfs_path_free (s_vpath, TRUE);
1013     }
1014 }
1015 
1016 /* --------------------------------------------------------------------------------------------- */
1017 
1018 static gboolean
1019 quit_cmd_internal (int quiet)
     /* [previous][next][first][last][top][bottom][index][help]  */
1020 {
1021     int q = quit;
1022     size_t n;
1023 
1024     n = dialog_switch_num () - 1;
1025     if (n != 0)
1026     {
1027         char msg[BUF_MEDIUM];
1028 
1029         g_snprintf (msg, sizeof (msg),
1030                     ngettext ("You have %zu opened screen. Quit anyway?",
1031                               "You have %zu opened screens. Quit anyway?", n),
1032                     n);
1033 
1034         if (query_dialog (PACKAGE_NAME, msg, D_NORMAL, 2, _ ("&Yes"), _ ("&No")) != 0)
1035             return FALSE;
1036         q = 1;
1037     }
1038     else if (quiet || !confirm_exit)
1039         q = 1;
1040     else if (query_dialog (PACKAGE_NAME, _ ("Do you really want to quit?"), D_NORMAL, 2, _ ("&Yes"),
1041                            _ ("&No"))
1042              == 0)
1043         q = 1;
1044 
1045     if (q != 0)
1046     {
1047 #ifdef ENABLE_SUBSHELL
1048         if (!mc_global.tty.use_subshell)
1049             stop_dialogs ();
1050         else if ((q = exit_subshell () ? 1 : 0) != 0)
1051 #endif
1052             stop_dialogs ();
1053     }
1054 
1055     if (q != 0)
1056         quit |= 1;
1057     return (quit != 0);
1058 }
1059 
1060 /* --------------------------------------------------------------------------------------------- */
1061 
1062 static gboolean
1063 quit_cmd (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
1064 {
1065     return quit_cmd_internal (0);
1066 }
1067 
1068 /* --------------------------------------------------------------------------------------------- */
1069 
1070 /**
1071  * Repaint the contents of the panels without frames.  To schedule panel
1072  * for repainting, set panel->dirty to TRUE.  There are many reasons why
1073  * the panels need to be repainted, and this is a costly operation, so
1074  * it's done once per event.
1075  */
1076 
1077 static void
1078 update_dirty_panels (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
1079 {
1080     if (get_current_type () == view_listing && current_panel->dirty)
1081         widget_draw (WIDGET (current_panel));
1082 
1083     if (get_other_type () == view_listing && other_panel->dirty)
1084         widget_draw (WIDGET (other_panel));
1085 }
1086 
1087 /* --------------------------------------------------------------------------------------------- */
1088 
1089 static void
1090 toggle_show_hidden (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
1091 {
1092     panels_options.show_dot_files = !panels_options.show_dot_files;
1093     update_panels (UP_RELOAD, UP_KEEPSEL);
1094     // redraw panels forced
1095     update_dirty_panels ();
1096 }
1097 
1098 /* --------------------------------------------------------------------------------------------- */
1099 
1100 static cb_ret_t
1101 midnight_execute_cmd (Widget *sender, long command)
     /* [previous][next][first][last][top][bottom][index][help]  */
1102 {
1103     cb_ret_t res = MSG_HANDLED;
1104 
1105     (void) sender;
1106 
1107     // stop quick search before executing any command
1108     send_message (current_panel, NULL, MSG_ACTION, CK_SearchStop, NULL);
1109 
1110     switch (command)
1111     {
1112     case CK_About:
1113         about_box ();
1114         break;
1115     case CK_ChangePanel:
1116         (void) change_panel ();
1117         break;
1118     case CK_HotListAdd:
1119         add2hotlist_cmd (current_panel);
1120         break;
1121     case CK_SetupListingFormat:
1122         setup_listing_format_cmd ();
1123         break;
1124     case CK_ChangeMode:
1125         chmod_cmd (current_panel);
1126         break;
1127     case CK_ChangeOwn:
1128         chown_cmd (current_panel);
1129         break;
1130     case CK_ChangeOwnAdvanced:
1131         advanced_chown_cmd (current_panel);
1132         break;
1133 #ifdef ENABLE_EXT2FS_ATTR
1134     case CK_ChangeAttributes:
1135         chattr_cmd (current_panel);
1136         break;
1137 #endif
1138     case CK_CompareDirs:
1139         compare_dirs_cmd ();
1140         break;
1141     case CK_Options:
1142         configure_box ();
1143         break;
1144 #ifdef ENABLE_VFS
1145     case CK_OptionsVfs:
1146         configure_vfs_box ();
1147         break;
1148 #endif
1149     case CK_OptionsConfirm:
1150         confirm_box ();
1151         break;
1152     case CK_Copy:
1153         copy_cmd (current_panel);
1154         break;
1155     case CK_PutCurrentPath:
1156         midnight_put_panel_path (current_panel);
1157         break;
1158     case CK_PutCurrentSelected:
1159         put_current_selected ();
1160         break;
1161     case CK_PutCurrentFullSelected:
1162         midnight_put_panel_path (current_panel);
1163         put_current_selected ();
1164         break;
1165     case CK_PutCurrentLink:
1166         put_current_link ();
1167         break;
1168     case CK_PutCurrentTagged:
1169         put_current_tagged ();
1170         break;
1171     case CK_PutOtherPath:
1172         if (get_other_type () == view_listing)
1173             midnight_put_panel_path (other_panel);
1174         break;
1175     case CK_PutOtherLink:
1176         put_other_link ();
1177         break;
1178     case CK_PutOtherTagged:
1179         put_other_tagged ();
1180         break;
1181     case CK_Delete:
1182         delete_cmd (current_panel);
1183         break;
1184     case CK_ScreenList:
1185         dialog_switch_list ();
1186         break;
1187 #ifdef USE_DIFF_VIEW
1188     case CK_CompareFiles:
1189         diff_view_cmd ();
1190         break;
1191 #endif
1192     case CK_Edit:
1193         edit_cmd (current_panel);
1194         break;
1195 #ifdef USE_INTERNAL_EDIT
1196     case CK_EditForceInternal:
1197         edit_cmd_force_internal (current_panel);
1198         break;
1199 #endif
1200     case CK_EditExtensionsFile:
1201         ext_cmd ();
1202         break;
1203     case CK_EditFileHighlightFile:
1204         edit_fhl_cmd ();
1205         break;
1206     case CK_EditUserMenu:
1207         edit_mc_menu_cmd ();
1208         break;
1209     case CK_LinkSymbolicEdit:
1210         edit_symlink_cmd ();
1211         break;
1212     case CK_ExternalPanelize:
1213         external_panelize_cmd ();
1214         break;
1215     case CK_ViewFiltered:
1216         view_filtered_cmd (current_panel);
1217         break;
1218     case CK_Find:
1219         find_cmd (current_panel);
1220         break;
1221 #ifdef ENABLE_VFS_SHELL
1222     case CK_ConnectShell:
1223         shelllink_cmd ();
1224         break;
1225 #endif
1226 #ifdef ENABLE_VFS_FTP
1227     case CK_ConnectFtp:
1228         ftplink_cmd ();
1229         break;
1230 #endif
1231 #ifdef ENABLE_VFS_SFTP
1232     case CK_ConnectSftp:
1233         sftplink_cmd ();
1234         break;
1235 #endif
1236     case CK_Panelize:
1237         panel_panelize_restore ();
1238         break;
1239     case CK_Help:
1240         help_cmd ();
1241         break;
1242     case CK_History:
1243         // show the history of command line widget
1244         send_message (cmdline, NULL, MSG_ACTION, CK_History, NULL);
1245         break;
1246     case CK_PanelInfo:
1247         if (sender == WIDGET (the_menubar))
1248             info_cmd ();  // menu
1249         else
1250             info_cmd_no_menu ();  // shortcut or buttonbar
1251         break;
1252 #ifdef ENABLE_BACKGROUND
1253     case CK_Jobs:
1254         jobs_box ();
1255         break;
1256 #endif
1257     case CK_OptionsLayout:
1258         layout_box ();
1259         break;
1260     case CK_OptionsAppearance:
1261         appearance_box ();
1262         break;
1263     case CK_LearnKeys:
1264         learn_keys ();
1265         break;
1266     case CK_Link:
1267         link_cmd (LINK_HARDLINK);
1268         break;
1269     case CK_PanelListing:
1270         listing_cmd ();
1271         break;
1272 #ifdef LISTMODE_EDITOR
1273     case CK_ListMode:
1274         listmode_cmd ();
1275         break;
1276 #endif
1277     case CK_Menu:
1278         menu_cmd ();
1279         break;
1280     case CK_MenuLastSelected:
1281         menu_last_selected_cmd ();
1282         break;
1283     case CK_MakeDir:
1284         mkdir_cmd (current_panel);
1285         break;
1286     case CK_OptionsPanel:
1287         panel_options_box ();
1288         break;
1289     case CK_SelectCodepage:
1290         encoding_cmd ();
1291         break;
1292     case CK_CdQuick:
1293         quick_cd_cmd (current_panel);
1294         break;
1295     case CK_HotList:
1296         hotlist_cmd (current_panel);
1297         break;
1298     case CK_PanelQuickView:
1299         if (sender == WIDGET (the_menubar))
1300             quick_view_cmd ();  // menu
1301         else
1302             quick_cmd_no_menu ();  // shortcut or buttonabr
1303         break;
1304     case CK_QuitQuiet:
1305         quiet_quit_cmd (TRUE);
1306         break;
1307     case CK_Quit:
1308         quit_cmd ();
1309         break;
1310     case CK_LinkSymbolicRelative:
1311         link_cmd (LINK_SYMLINK_RELATIVE);
1312         break;
1313     case CK_Move:
1314         rename_cmd (current_panel);
1315         break;
1316     case CK_Reread:
1317         reread_cmd ();
1318         break;
1319 #ifdef ENABLE_VFS
1320     case CK_VfsList:
1321         vfs_list (current_panel);
1322         break;
1323 #endif
1324     case CK_SaveSetup:
1325         save_setup_cmd ();
1326         break;
1327     case CK_Select:
1328     case CK_Unselect:
1329     case CK_SelectInvert:
1330     case CK_Filter:
1331         res = send_message (current_panel, filemanager, MSG_ACTION, command, NULL);
1332         break;
1333     case CK_Shell:
1334         toggle_subshell ();
1335         break;
1336     case CK_DirSize:
1337         smart_dirsize_cmd (current_panel);
1338         break;
1339     case CK_Sort:
1340         sort_cmd ();
1341         break;
1342     case CK_ExtendedKeyMap:
1343         WIDGET (filemanager)->ext_mode = TRUE;
1344         break;
1345     case CK_Suspend:
1346         mc_event_raise (MCEVENT_GROUP_CORE, "suspend", NULL);
1347         break;
1348     case CK_Swap:
1349         swap_cmd ();
1350         break;
1351     case CK_LinkSymbolic:
1352         link_cmd (LINK_SYMLINK_ABSOLUTE);
1353         break;
1354     case CK_ShowHidden:
1355         toggle_show_hidden ();
1356         break;
1357     case CK_SplitVertHoriz:
1358         toggle_panels_split ();
1359         break;
1360     case CK_SplitEqual:
1361         panels_split_equal ();
1362         break;
1363     case CK_SplitMore:
1364         panels_split_more ();
1365         break;
1366     case CK_SplitLess:
1367         panels_split_less ();
1368         break;
1369     case CK_PanelTree:
1370         panel_tree_cmd ();
1371         break;
1372     case CK_Tree:
1373         treebox_cmd ();
1374         break;
1375     case CK_UserMenu:
1376         user_file_menu_cmd ();
1377         break;
1378     case CK_View:
1379         view_cmd (current_panel);
1380         break;
1381     case CK_ViewFile:
1382         view_file_cmd (current_panel);
1383         break;
1384     case CK_EditorViewerHistory:
1385         show_editor_viewer_history ();
1386         break;
1387     case CK_Cancel:
1388         // don't close panels due to SIGINT
1389         break;
1390     default:
1391         res = MSG_NOT_HANDLED;
1392     }
1393 
1394     return res;
1395 }
1396 
1397 /* --------------------------------------------------------------------------------------------- */
1398 
1399 /**
1400  * Whether the command-line should not respond to key events.
1401  *
1402  * This is TRUE if a QuickView or TreeView have the focus, as they're going
1403  * to consume some keys and there's no sense in passing to the command-line
1404  * just the leftovers.
1405  */
1406 static gboolean
1407 is_cmdline_mute (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
1408 {
1409     /* When one of panels is other than view_listing,
1410        current_panel points to view_listing panel all time independently of
1411        it's activity. Thus, we can't use get_current_type() here.
1412        current_panel should point to actually current active panel
1413        independently of it's type. */
1414     return (!current_panel->active
1415             && (get_other_type () == view_quick || get_other_type () == view_tree));
1416 }
1417 
1418 /* --------------------------------------------------------------------------------------------- */
1419 
1420 /**
1421  * Handles the Enter key on the command-line.
1422  *
1423  * Returns TRUE if non-whitespace was indeed processed.
1424  */
1425 static gboolean
1426 handle_cmdline_enter (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
1427 {
1428     const char *s;
1429 
1430     for (s = input_get_ctext (cmdline); *s != '\0' && whitespace (*s); s++)
1431         ;
1432 
1433     if (*s != '\0')
1434     {
1435         send_message (cmdline, NULL, MSG_KEY, '\n', NULL);
1436         return TRUE;
1437     }
1438 
1439     input_insert (cmdline, "", FALSE);
1440     cmdline->point = 0;
1441 
1442     return FALSE;
1443 }
1444 
1445 /* --------------------------------------------------------------------------------------------- */
1446 
1447 static cb_ret_t
1448 midnight_callback (Widget *w, Widget *sender, widget_msg_t msg, int parm, void *data)
     /* [previous][next][first][last][top][bottom][index][help]  */
1449 {
1450     long command;
1451 
1452     switch (msg)
1453     {
1454     case MSG_INIT:
1455         panel_init ();
1456         setup_panels ();
1457         return MSG_HANDLED;
1458 
1459     case MSG_DRAW:
1460         load_hint (TRUE);
1461         group_default_callback (w, NULL, MSG_DRAW, 0, NULL);
1462         // We handle the special case of the output lines
1463         if (mc_global.tty.console_flag != '\0' && output_lines != 0)
1464         {
1465             unsigned char end_line;
1466 
1467             end_line = LINES - (mc_global.keybar_visible ? 1 : 0) - 1;
1468             show_console_contents (output_start_y, end_line - output_lines, end_line);
1469         }
1470         return MSG_HANDLED;
1471 
1472     case MSG_RESIZE:
1473         widget_adjust_position (w->pos_flags, &w->rect);
1474         setup_panels ();
1475         menubar_arrange (the_menubar);
1476         return MSG_HANDLED;
1477 
1478     case MSG_IDLE:
1479         // We only need the first idle event to show user menu after start
1480         widget_idle (w, FALSE);
1481 
1482         if (boot_current_is_left)
1483             widget_select (get_panel_widget (0));
1484         else
1485             widget_select (get_panel_widget (1));
1486 
1487         if (auto_menu)
1488             midnight_execute_cmd (NULL, CK_UserMenu);
1489         return MSG_HANDLED;
1490 
1491     case MSG_KEY:
1492         if (w->ext_mode)
1493         {
1494             command = widget_lookup_key (w, parm);
1495             if (command != CK_IgnoreKey)
1496                 return midnight_execute_cmd (NULL, command);
1497         }
1498 
1499         // FIXME: should handle all menu shortcuts before this point
1500         if (widget_get_state (WIDGET (the_menubar), WST_FOCUSED))
1501             return MSG_NOT_HANDLED;
1502 
1503         if (parm == '\n' && !is_cmdline_mute ())
1504         {
1505             if (handle_cmdline_enter ())
1506                 return MSG_HANDLED;
1507             // Else: the panel will handle it.
1508         }
1509 
1510         if ((!mc_global.tty.alternate_plus_minus
1511              || !(mc_global.tty.console_flag != '\0' || mc_global.tty.xterm_flag))
1512             && !quote && !current_panel->quick_search.active)
1513         {
1514             if (!only_leading_plus_minus)
1515             {
1516                 // Special treatment, since the input line will eat them
1517                 if (parm == '+')
1518                     return send_message (current_panel, filemanager, MSG_ACTION, CK_Select, NULL);
1519 
1520                 if (parm == '\\' || parm == '-')
1521                     return send_message (current_panel, filemanager, MSG_ACTION, CK_Unselect, NULL);
1522 
1523                 if (parm == '*')
1524                     return send_message (current_panel, filemanager, MSG_ACTION, CK_SelectInvert,
1525                                          NULL);
1526             }
1527             else if (!command_prompt || input_is_empty (cmdline))
1528             {
1529                 /* Special treatment '+', '-', '\', '*' only when this is
1530                  * first char on input line
1531                  */
1532                 if (parm == '+')
1533                     return send_message (current_panel, filemanager, MSG_ACTION, CK_Select, NULL);
1534 
1535                 if (parm == '\\' || parm == '-')
1536                     return send_message (current_panel, filemanager, MSG_ACTION, CK_Unselect, NULL);
1537 
1538                 if (parm == '*')
1539                     return send_message (current_panel, filemanager, MSG_ACTION, CK_SelectInvert,
1540                                          NULL);
1541             }
1542         }
1543         return MSG_NOT_HANDLED;
1544 
1545     case MSG_HOTKEY_HANDLED:
1546         if ((get_current_type () == view_listing) && current_panel->quick_search.active)
1547         {
1548             current_panel->dirty = TRUE;  // FIXME: unneeded?
1549             send_message (current_panel, NULL, MSG_ACTION, CK_SearchStop, NULL);
1550         }
1551         return MSG_HANDLED;
1552 
1553     case MSG_UNHANDLED_KEY:
1554     {
1555         cb_ret_t v = MSG_NOT_HANDLED;
1556 
1557         command = widget_lookup_key (w, parm);
1558         if (command != CK_IgnoreKey)
1559             v = midnight_execute_cmd (NULL, command);
1560 
1561         if (v == MSG_NOT_HANDLED && command_prompt && !is_cmdline_mute ())
1562             v = send_message (cmdline, NULL, MSG_KEY, parm, NULL);
1563 
1564         return v;
1565     }
1566 
1567     case MSG_POST_KEY:
1568         if (!widget_get_state (WIDGET (the_menubar), WST_FOCUSED))
1569             update_dirty_panels ();
1570         return MSG_HANDLED;
1571 
1572     case MSG_ACTION:
1573         // Handle shortcuts, menu, and buttonbar.
1574         return midnight_execute_cmd (sender, parm);
1575 
1576     case MSG_DESTROY:
1577         panel_deinit ();
1578         return MSG_HANDLED;
1579 
1580     default:
1581         return dlg_default_callback (w, sender, msg, parm, data);
1582     }
1583 }
1584 
1585 /* --------------------------------------------------------------------------------------------- */
1586 /*** public functions ****************************************************************************/
1587 /* --------------------------------------------------------------------------------------------- */
1588 
1589 void
1590 update_menu (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
1591 {
1592     menu_set_name (left_menu, panels_layout.horizontal_split ? _ ("&Above") : _ ("&Left"));
1593     menu_set_name (right_menu, panels_layout.horizontal_split ? _ ("&Below") : _ ("&Right"));
1594     menubar_arrange (the_menubar);
1595     widget_set_visibility (WIDGET (the_menubar), menubar_visible);
1596 }
1597 
1598 /* --------------------------------------------------------------------------------------------- */
1599 
1600 void
1601 midnight_set_buttonbar (WButtonBar *b)
     /* [previous][next][first][last][top][bottom][index][help]  */
1602 {
1603     Widget *w = WIDGET (filemanager);
1604 
1605     buttonbar_set_label (b, 1, Q_ ("ButtonBar|Help"), w->keymap, NULL);
1606     buttonbar_set_label (b, 2, Q_ ("ButtonBar|Menu"), w->keymap, NULL);
1607     buttonbar_set_label (b, 3, Q_ ("ButtonBar|View"), w->keymap, NULL);
1608     buttonbar_set_label (b, 4, Q_ ("ButtonBar|Edit"), w->keymap, NULL);
1609     buttonbar_set_label (b, 5, Q_ ("ButtonBar|Copy"), w->keymap, NULL);
1610     buttonbar_set_label (b, 6, Q_ ("ButtonBar|RenMov"), w->keymap, NULL);
1611     buttonbar_set_label (b, 7, Q_ ("ButtonBar|Mkdir"), w->keymap, NULL);
1612     buttonbar_set_label (b, 8, Q_ ("ButtonBar|Delete"), w->keymap, NULL);
1613     buttonbar_set_label (b, 9, Q_ ("ButtonBar|PullDn"), w->keymap, NULL);
1614     buttonbar_set_label (b, 10, Q_ ("ButtonBar|Quit"), w->keymap, NULL);
1615 }
1616 
1617 /* --------------------------------------------------------------------------------------------- */
1618 /**
1619  * Return a random hint.  If force is TRUE, ignore the timeout.
1620  */
1621 
1622 char *
1623 get_random_hint (gboolean force)
     /* [previous][next][first][last][top][bottom][index][help]  */
1624 {
1625     static const gint64 update_period = 60 * G_USEC_PER_SEC;
1626     static gint64 tv = 0;
1627 
1628     char *data, *result, *eop;
1629     size_t len, start;
1630     GIConv conv;
1631 
1632     // Do not change hints more often than one minute
1633     if (!force && !mc_time_elapsed (&tv, update_period))
1634         return g_strdup ("");
1635 
1636     data = load_mc_home_file (mc_global.share_data_dir, MC_HINT, NULL, &len);
1637     if (data == NULL)
1638         return NULL;
1639 
1640     // get a random entry
1641     srand ((unsigned int) (tv / G_USEC_PER_SEC));
1642     start = ((size_t) rand ()) % (len - 1);
1643 
1644     // Search the start of paragraph
1645     for (; start != 0; start--)
1646         if (data[start] == '\n' && data[start + 1] == '\n')
1647         {
1648             start += 2;
1649             break;
1650         }
1651 
1652     // Search the end of paragraph
1653     for (eop = data + start; *eop != '\0'; eop++)
1654     {
1655         if (*eop == '\n' && *(eop + 1) == '\n')
1656         {
1657             *eop = '\0';
1658             break;
1659         }
1660         if (*eop == '\n')
1661             *eop = ' ';
1662     }
1663 
1664     // hint files are stored in utf-8
1665     // try convert hint file from utf-8 to terminal encoding
1666     conv = str_crt_conv_from ("UTF-8");
1667     if (conv == INVALID_CONV)
1668         result = g_strndup (data + start, len - start);
1669     else
1670     {
1671         GString *buffer;
1672         gboolean nok;
1673 
1674         buffer = g_string_sized_new (len - start);
1675         nok = (str_convert (conv, data + start, buffer) == ESTR_FAILURE);
1676         result = g_string_free (buffer, nok);
1677         str_close_conv (conv);
1678     }
1679 
1680     g_free (data);
1681     return result;
1682 }
1683 
1684 /* --------------------------------------------------------------------------------------------- */
1685 /**
1686  * Load new hint and display it.
1687  * IF force is not 0, ignore the timeout.
1688  */
1689 
1690 void
1691 load_hint (gboolean force)
     /* [previous][next][first][last][top][bottom][index][help]  */
1692 {
1693     char *hint;
1694 
1695     if (WIDGET (the_hint)->owner == NULL)
1696         return;
1697 
1698     if (!mc_global.message_visible)
1699     {
1700         label_set_text (the_hint, NULL);
1701         return;
1702     }
1703 
1704     hint = get_random_hint (force);
1705 
1706     if (hint != NULL)
1707     {
1708         if (*hint != '\0')
1709             set_hintbar (hint);
1710         g_free (hint);
1711     }
1712     else
1713     {
1714         char text[BUF_SMALL];
1715 
1716         g_snprintf (text, sizeof (text), "%s %s\n", PACKAGE_NAME, mc_global.mc_version);
1717         set_hintbar (text);
1718     }
1719 }
1720 
1721 /* --------------------------------------------------------------------------------------------- */
1722 /**
1723  * Change current panel in the file manager.
1724  *
1725  * @return current_panel
1726  */
1727 
1728 WPanel *
1729 change_panel (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
1730 {
1731     input_complete_free (cmdline);
1732     group_select_next_widget (GROUP (filemanager));
1733     return current_panel;
1734 }
1735 
1736 /* --------------------------------------------------------------------------------------------- */
1737 
1738 /** Save current stat of directories to avoid reloading the panels
1739  * when no modifications have taken place
1740  */
1741 void
1742 save_cwds_stat (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
1743 {
1744     if (panels_options.fast_reload)
1745     {
1746         mc_stat (current_panel->cwd_vpath, &(current_panel->dir_stat));
1747         if (get_other_type () == view_listing)
1748             mc_stat (other_panel->cwd_vpath, &(other_panel->dir_stat));
1749     }
1750 }
1751 
1752 /* --------------------------------------------------------------------------------------------- */
1753 
1754 gboolean
1755 quiet_quit_cmd (const gboolean suppress_last_pwd)
     /* [previous][next][first][last][top][bottom][index][help]  */
1756 {
1757     print_last_revert = suppress_last_pwd;
1758     return quit_cmd_internal (1);
1759 }
1760 
1761 /* --------------------------------------------------------------------------------------------- */
1762 
1763 /** Run the main dialog that occupies the whole screen */
1764 gboolean
1765 do_nc (void)
     /* [previous][next][first][last][top][bottom][index][help]  */
1766 {
1767     gboolean ret;
1768 
1769 #ifdef USE_INTERNAL_EDIT
1770     edit_stack_init ();
1771 #endif
1772 
1773     // Check if we were invoked as an editor or file viewer
1774     if (mc_global.mc_run_mode != MC_RUN_FULL)
1775     {
1776         setup_dummy_mc ();
1777         ret = mc_maybe_editor_or_viewer ();
1778     }
1779     else
1780     {
1781         filemanager = dlg_create (FALSE, 0, 0, 1, 1, WPOS_FULLSCREEN, FALSE, dialog_colors,
1782                                   midnight_callback, NULL, "[main]", NULL);
1783 
1784         // We only need the first idle event to show user menu after start
1785         widget_idle (WIDGET (filemanager), TRUE);
1786 
1787         setup_mc ();
1788         mc_filehighlight = mc_fhl_new (TRUE);
1789 
1790         create_file_manager ();
1791         (void) dlg_run (filemanager);
1792 
1793         mc_fhl_free (&mc_filehighlight);
1794 
1795         ret = TRUE;
1796 
1797         // widget_destroy destroys even current_panel->cwd_vpath, so we have to save a copy :)
1798         if (mc_args__last_wd_file != NULL && vfs_current_is_local ())
1799             last_wd_str = g_strdup (vfs_path_as_str (current_panel->cwd_vpath));
1800 
1801         // don't handle VFS timestamps for dirs opened in panels
1802         mc_event_destroy (MCEVENT_GROUP_CORE, "vfs_timestamp");
1803     }
1804 
1805     // Program end
1806     mc_global.midnight_shutdown = TRUE;
1807     dialog_switch_shutdown ();
1808     done_mc ();
1809 
1810     if (filemanager != NULL)
1811         widget_destroy (WIDGET (filemanager));
1812 
1813     current_panel = NULL;
1814 
1815 #ifdef USE_INTERNAL_EDIT
1816     edit_stack_free ();
1817 #endif
1818 
1819     if ((quit & SUBSHELL_EXIT) == 0)
1820         tty_clear_screen ();
1821 
1822     return ret;
1823 }
1824 
1825 /* --------------------------------------------------------------------------------------------- */

/* [previous][next][first][last][top][bottom][index][help]  */