src/filemanager/filemanager.c

src/filemanager/filemanager.c
Manual pages: mc • mcdiff • mcedit • mcview
/* */
This source file includes following definitions.
stop_dialogs
treebox_cmd
listmode_cmd
create_panel_menu
create_file_menu
create_command_menu
create_options_menu
init_menu
menu_last_selected_cmd
menu_cmd
sort_cmd
midnight_get_shortcut
midnight_get_title
toggle_panels_split
check_panel_timestamp
check_current_panel_timestamp
check_other_panel_timestamp
print_vfs_message
create_panels
midnight_put_panel_path
put_link
put_current_link
put_other_link
put_current_selected
put_tagged
put_current_tagged
put_other_tagged
setup_mc
setup_dummy_mc
done_mc
create_file_manager
prepend_cwd_on_local
mc_maybe_editor_or_viewer
show_editor_viewer_history
quit_cmd_internal
quit_cmd
update_dirty_panels
toggle_show_hidden
midnight_execute_cmd
is_cmdline_mute
handle_cmdline_enter
midnight_callback
update_menu
midnight_set_buttonbar
get_random_hint
load_hint
change_panel
save_cwds_stat
quiet_quit_cmd
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 const char *mc_prompt = NULL;
 113 
 114 /*** file scope macro definitions ****************************************************************/
 115 
 116 /*** file scope type declarations ****************************************************************/
 117 
 118 /*** forward declarations (file scope functions) *************************************************/
 119 
 120 /*** file scope variables ************************************************************************/
 121 
 122 static menu_t *left_menu, *right_menu;
 123 
 124 /* --------------------------------------------------------------------------------------------- */
 125 /*** file scope functions ************************************************************************/
 126 /* --------------------------------------------------------------------------------------------- */
 127 
 128 /** Stop MC main dialog and the current dialog if it exists.
 129  * Needed to provide fast exit from MC viewer or editor on shell exit */
 130 static void
 131 stop_dialogs (void)
     /*   */
 132 {
 133     dlg_close (filemanager);
 134 
 135     if (top_dlg != NULL)
 136         dlg_close (DIALOG (top_dlg->data));
 137 }
 138 
 139 /* --------------------------------------------------------------------------------------------- */
 140 
 141 static void
 142 treebox_cmd (void)
     /*   */
 143 {
 144     const file_entry_t *fe;
 145     char *sel_dir;
 146 
 147     fe = panel_current_entry (current_panel);
 148     if (fe == NULL)
 149         return;
 150 
 151     sel_dir = tree_box (fe->fname->str);
 152     if (sel_dir != NULL)
 153     {
 154         vfs_path_t *sel_vdir;
 155 
 156         sel_vdir = vfs_path_from_str (sel_dir);
 157         panel_cd (current_panel, sel_vdir, cd_exact);
 158         vfs_path_free (sel_vdir, TRUE);
 159         g_free (sel_dir);
 160     }
 161 }
 162 
 163 /* --------------------------------------------------------------------------------------------- */
 164 
 165 #ifdef LISTMODE_EDITOR
 166 static void
 167 listmode_cmd (void)
     /*   */
 168 {
 169     char *newmode;
 170 
 171     if (get_current_type () != view_listing)
 172         return;
 173 
 174     newmode = listmode_edit (current_panel->user_format);
 175     if (!newmode)
 176         return;
 177 
 178     g_free (current_panel->user_format);
 179     current_panel->list_format = list_user;
 180     current_panel->user_format = newmode;
 181     set_panel_formats (current_panel);
 182 
 183     do_refresh ();
 184 }
 185 #endif
 186 
 187 /* --------------------------------------------------------------------------------------------- */
 188 
 189 static GList *
 190 create_panel_menu (void)
     /*   */
 191 {
 192     GList *entries = NULL;
 193 
 194     entries = g_list_prepend (entries, menu_entry_new (_ ("File listin&g"), CK_PanelListing));
 195     entries = g_list_prepend (entries, menu_entry_new (_ ("&Quick view"), CK_PanelQuickView));
 196     entries = g_list_prepend (entries, menu_entry_new (_ ("&Info"), CK_PanelInfo));
 197     entries = g_list_prepend (entries, menu_entry_new (_ ("&Tree"), CK_PanelTree));
 198     entries = g_list_prepend (entries, menu_separator_new ());
 199     entries =
 200         g_list_prepend (entries, menu_entry_new (_ ("&Listing format..."), CK_SetupListingFormat));
 201     entries = g_list_prepend (entries, menu_entry_new (_ ("&Sort order..."), CK_Sort));
 202     entries = g_list_prepend (entries, menu_entry_new (_ ("&Filter..."), CK_Filter));
 203     entries = g_list_prepend (entries, menu_entry_new (_ ("&Encoding..."), CK_SelectCodepage));
 204     entries = g_list_prepend (entries, menu_separator_new ());
 205 #ifdef ENABLE_VFS_FTP
 206     entries = g_list_prepend (entries, menu_entry_new (_ ("FT&P link..."), CK_ConnectFtp));
 207 #endif
 208 #ifdef ENABLE_VFS_SHELL
 209     entries = g_list_prepend (entries, menu_entry_new (_ ("S&hell link..."), CK_ConnectShell));
 210 #endif
 211 #ifdef ENABLE_VFS_SFTP
 212     entries = g_list_prepend (entries, menu_entry_new (_ ("SFTP li&nk..."), CK_ConnectSftp));
 213 #endif
 214     entries = g_list_prepend (entries, menu_entry_new (_ ("Paneli&ze"), CK_Panelize));
 215     entries = g_list_prepend (entries, menu_separator_new ());
 216     entries = g_list_prepend (entries, menu_entry_new (_ ("&Rescan"), CK_Reread));
 217 
 218     return g_list_reverse (entries);
 219 }
 220 
 221 /* --------------------------------------------------------------------------------------------- */
 222 
 223 static GList *
 224 create_file_menu (void)
     /*   */
 225 {
 226     GList *entries = NULL;
 227 
 228     entries = g_list_prepend (entries, menu_entry_new (_ ("&View"), CK_View));
 229     entries = g_list_prepend (entries, menu_entry_new (_ ("Vie&w file..."), CK_ViewFile));
 230     entries = g_list_prepend (entries, menu_entry_new (_ ("&Filtered view"), CK_ViewFiltered));
 231     entries = g_list_prepend (entries, menu_entry_new (_ ("&Edit"), CK_Edit));
 232     entries = g_list_prepend (entries, menu_entry_new (_ ("&Copy"), CK_Copy));
 233     entries = g_list_prepend (entries, menu_entry_new (_ ("C&hmod"), CK_ChangeMode));
 234     entries = g_list_prepend (entries, menu_entry_new (_ ("&Link"), CK_Link));
 235     entries = g_list_prepend (entries, menu_entry_new (_ ("&Symlink"), CK_LinkSymbolic));
 236     entries =
 237         g_list_prepend (entries, menu_entry_new (_ ("Relative symlin&k"), CK_LinkSymbolicRelative));
 238     entries = g_list_prepend (entries, menu_entry_new (_ ("Edit s&ymlink"), CK_LinkSymbolicEdit));
 239     entries = g_list_prepend (entries, menu_entry_new (_ ("Ch&own"), CK_ChangeOwn));
 240     entries =
 241         g_list_prepend (entries, menu_entry_new (_ ("&Advanced chown"), CK_ChangeOwnAdvanced));
 242 #ifdef ENABLE_EXT2FS_ATTR
 243     entries = g_list_prepend (entries, menu_entry_new (_ ("Cha&ttr"), CK_ChangeAttributes));
 244 #endif
 245     entries = g_list_prepend (entries, menu_entry_new (_ ("&Rename/Move"), CK_Move));
 246     entries = g_list_prepend (entries, menu_entry_new (_ ("&Mkdir"), CK_MakeDir));
 247     entries = g_list_prepend (entries, menu_entry_new (_ ("&Delete"), CK_Delete));
 248     entries = g_list_prepend (entries, menu_entry_new (_ ("&Quick cd"), CK_CdQuick));
 249     entries = g_list_prepend (entries, menu_separator_new ());
 250     entries = g_list_prepend (entries, menu_entry_new (_ ("Select &group"), CK_Select));
 251     entries = g_list_prepend (entries, menu_entry_new (_ ("U&nselect group"), CK_Unselect));
 252     entries = g_list_prepend (entries, menu_entry_new (_ ("&Invert selection"), CK_SelectInvert));
 253     entries = g_list_prepend (entries, menu_separator_new ());
 254     entries = g_list_prepend (entries, menu_entry_new (_ ("E&xit"), CK_Quit));
 255 
 256     return g_list_reverse (entries);
 257 }
 258 
 259 /* --------------------------------------------------------------------------------------------- */
 260 
 261 static GList *
 262 create_command_menu (void)
     /*   */
 263 {
 264     /* I know, I'm lazy, but the tree widget when it's not running
 265      * as a panel still has some problems, I have not yet finished
 266      * the WTree widget port, sorry.
 267      */
 268     GList *entries = NULL;
 269 
 270     entries = g_list_prepend (entries, menu_entry_new (_ ("&User menu"), CK_UserMenu));
 271     entries = g_list_prepend (entries, menu_entry_new (_ ("&Directory tree"), CK_Tree));
 272     entries = g_list_prepend (entries, menu_entry_new (_ ("&Find file"), CK_Find));
 273     entries = g_list_prepend (entries, menu_entry_new (_ ("S&wap panels"), CK_Swap));
 274     entries = g_list_prepend (entries, menu_entry_new (_ ("Switch &panels on/off"), CK_Shell));
 275     entries = g_list_prepend (entries, menu_entry_new (_ ("&Compare directories"), CK_CompareDirs));
 276 #ifdef USE_DIFF_VIEW
 277     entries = g_list_prepend (entries, menu_entry_new (_ ("C&ompare files"), CK_CompareFiles));
 278 #endif
 279     entries =
 280         g_list_prepend (entries, menu_entry_new (_ ("E&xternal panelize"), CK_ExternalPanelize));
 281     entries = g_list_prepend (entries, menu_entry_new (_ ("Show directory s&izes"), CK_DirSize));
 282     entries = g_list_prepend (entries, menu_separator_new ());
 283     entries = g_list_prepend (entries, menu_entry_new (_ ("Command &history"), CK_History));
 284     entries = g_list_prepend (
 285         entries, menu_entry_new (_ ("Viewed/edited files hi&story"), CK_EditorViewerHistory));
 286     entries = g_list_prepend (entries, menu_entry_new (_ ("Di&rectory hotlist"), CK_HotList));
 287 #ifdef ENABLE_VFS
 288     entries = g_list_prepend (entries, menu_entry_new (_ ("&Active VFS list"), CK_VfsList));
 289 #endif
 290 #ifdef ENABLE_BACKGROUND
 291     entries = g_list_prepend (entries, menu_entry_new (_ ("&Background jobs"), CK_Jobs));
 292 #endif
 293     entries = g_list_prepend (entries, menu_entry_new (_ ("Screen lis&t"), CK_ScreenList));
 294     entries = g_list_prepend (entries, menu_separator_new ());
 295 #ifdef ENABLE_VFS_UNDELFS
 296     entries =
 297         g_list_prepend (entries, menu_entry_new (_ ("&Undelete files (ext2fs only)"), CK_Undelete));
 298 #endif
 299 #ifdef LISTMODE_EDITOR
 300     entries = g_list_prepend (entries, menu_entry_new (_ ("&Listing format edit"), CK_ListMode));
 301 #endif
 302 #if defined(ENABLE_VFS_UNDELFS) || defined(LISTMODE_EDITOR)
 303     entries = g_list_prepend (entries, menu_separator_new ());
 304 #endif
 305     entries = g_list_prepend (entries,
 306                               menu_entry_new (_ ("Edit &extension file"), CK_EditExtensionsFile));
 307     entries = g_list_prepend (entries, menu_entry_new (_ ("Edit &menu file"), CK_EditUserMenu));
 308     entries = g_list_prepend (
 309         entries, menu_entry_new (_ ("Edit hi&ghlighting group file"), CK_EditFileHighlightFile));
 310 
 311     return g_list_reverse (entries);
 312 }
 313 
 314 /* --------------------------------------------------------------------------------------------- */
 315 
 316 static GList *
 317 create_options_menu (void)
     /*   */
 318 {
 319     GList *entries = NULL;
 320 
 321     entries = g_list_prepend (entries, menu_entry_new (_ ("&Configuration..."), CK_Options));
 322     entries = g_list_prepend (entries, menu_entry_new (_ ("&Layout..."), CK_OptionsLayout));
 323     entries = g_list_prepend (entries, menu_entry_new (_ ("&Panel options..."), CK_OptionsPanel));
 324     entries = g_list_prepend (entries, menu_entry_new (_ ("C&onfirmation..."), CK_OptionsConfirm));
 325     entries = g_list_prepend (entries, menu_entry_new (_ ("&Appearance..."), CK_OptionsAppearance));
 326     entries = g_list_prepend (entries, menu_entry_new (_ ("Learn &keys..."), CK_LearnKeys));
 327 #ifdef ENABLE_VFS
 328     entries = g_list_prepend (entries, menu_entry_new (_ ("&Virtual FS..."), CK_OptionsVfs));
 329 #endif
 330     entries = g_list_prepend (entries, menu_separator_new ());
 331     entries = g_list_prepend (entries, menu_entry_new (_ ("&Save setup"), CK_SaveSetup));
 332     entries = g_list_prepend (entries, menu_separator_new ());
 333     entries = g_list_prepend (entries, menu_entry_new (_ ("A&bout..."), CK_About));
 334 
 335     return g_list_reverse (entries);
 336 }
 337 
 338 /* --------------------------------------------------------------------------------------------- */
 339 
 340 static void
 341 init_menu (void)
     /*   */
 342 {
 343     left_menu = menu_new ("", create_panel_menu (), "[Left and Right Menus]");
 344     menubar_add_menu (the_menubar, left_menu);
 345     menubar_add_menu (the_menubar, menu_new (_ ("&File"), create_file_menu (), "[File Menu]"));
 346     menubar_add_menu (the_menubar,
 347                       menu_new (_ ("&Command"), create_command_menu (), "[Command Menu]"));
 348     menubar_add_menu (the_menubar,
 349                       menu_new (_ ("&Options"), create_options_menu (), "[Options Menu]"));
 350     right_menu = menu_new ("", create_panel_menu (), "[Left and Right Menus]");
 351     menubar_add_menu (the_menubar, right_menu);
 352     update_menu ();
 353 }
 354 
 355 /* --------------------------------------------------------------------------------------------- */
 356 
 357 static void
 358 menu_last_selected_cmd (void)
     /*   */
 359 {
 360     menubar_activate (the_menubar, drop_menus, -1);
 361 }
 362 
 363 /* --------------------------------------------------------------------------------------------- */
 364 
 365 static void
 366 menu_cmd (void)
     /*   */
 367 {
 368     int selected;
 369 
 370     if ((get_current_index () == 0) == current_panel->active)
 371         selected = 0;
 372     else
 373         selected = g_list_length (the_menubar->menu) - 1;
 374 
 375     menubar_activate (the_menubar, drop_menus, selected);
 376 }
 377 
 378 /* --------------------------------------------------------------------------------------------- */
 379 
 380 static void
 381 sort_cmd (void)
     /*   */
 382 {
 383     WPanel *p;
 384     const panel_field_t *sort_order;
 385 
 386     if (!SELECTED_IS_PANEL)
 387         return;
 388 
 389     p = MENU_PANEL;
 390     sort_order = sort_box (&p->sort_info, p->sort_field);
 391     panel_set_sort_order (p, sort_order);
 392 }
 393 
 394 /* --------------------------------------------------------------------------------------------- */
 395 
 396 static char *
 397 midnight_get_shortcut (long command)
     /*   */
 398 {
 399     const char *ext_map;
 400     const char *shortcut = NULL;
 401 
 402     shortcut = keybind_lookup_keymap_shortcut (filemanager_map, command);
 403     if (shortcut != NULL)
 404         return g_strdup (shortcut);
 405 
 406     shortcut = keybind_lookup_keymap_shortcut (panel_map, command);
 407     if (shortcut != NULL)
 408         return g_strdup (shortcut);
 409 
 410     ext_map = keybind_lookup_keymap_shortcut (filemanager_map, CK_ExtendedKeyMap);
 411     if (ext_map != NULL)
 412         shortcut = keybind_lookup_keymap_shortcut (filemanager_x_map, command);
 413     if (shortcut != NULL)
 414         return g_strdup_printf ("%s %s", ext_map, shortcut);
 415 
 416     return NULL;
 417 }
 418 
 419 /* --------------------------------------------------------------------------------------------- */
 420 
 421 static char *
 422 midnight_get_title (const WDialog *h, const ssize_t width)
     /*   */
 423 {
 424     char *path;
 425     char *login;
 426     char *p;
 427 
 428     (void) h;
 429 
 430     title_path_prepare (&path, &login);
 431 
 432     p = g_strdup_printf ("%s [%s]:%s", _ ("Panels:"), login, path);
 433     g_free (path);
 434     g_free (login);
 435     path = g_strdup (str_trunc (p, width - 4));
 436     g_free (p);
 437 
 438     return path;
 439 }
 440 
 441 /* --------------------------------------------------------------------------------------------- */
 442 
 443 static void
 444 toggle_panels_split (void)
     /*   */
 445 {
 446     panels_layout.horizontal_split = !panels_layout.horizontal_split;
 447     layout_change ();
 448     do_refresh ();
 449 }
 450 
 451 /* --------------------------------------------------------------------------------------------- */
 452 
 453 #ifdef ENABLE_VFS
 454 /* event helper */
 455 static gboolean
 456 check_panel_timestamp (const WPanel *panel, panel_view_mode_t mode, const struct vfs_class *vclass,
     /*   */
 457                        const vfsid id)
 458 {
 459     return (mode != view_listing
 460             || (vfs_path_get_last_path_vfs (panel->cwd_vpath) == vclass
 461                 && vfs_getid (panel->cwd_vpath) == id));
 462 }
 463 
 464 /* --------------------------------------------------------------------------------------------- */
 465 
 466 /* event callback */
 467 static gboolean
 468 check_current_panel_timestamp (const gchar *event_group_name, const gchar *event_name,
     /*   */
 469                                gpointer init_data, gpointer data)
 470 {
 471     ev_vfs_stamp_create_t *event_data = (ev_vfs_stamp_create_t *) data;
 472 
 473     (void) event_group_name;
 474     (void) event_name;
 475     (void) init_data;
 476 
 477     event_data->ret = check_panel_timestamp (current_panel, get_current_type (), event_data->vclass,
 478                                              event_data->id);
 479     return !event_data->ret;
 480 }
 481 
 482 /* --------------------------------------------------------------------------------------------- */
 483 
 484 /* event callback */
 485 static gboolean
 486 check_other_panel_timestamp (const gchar *event_group_name, const gchar *event_name,
     /*   */
 487                              gpointer init_data, gpointer data)
 488 {
 489     ev_vfs_stamp_create_t *event_data = (ev_vfs_stamp_create_t *) data;
 490 
 491     (void) event_group_name;
 492     (void) event_name;
 493     (void) init_data;
 494 
 495     event_data->ret =
 496         check_panel_timestamp (other_panel, get_other_type (), event_data->vclass, event_data->id);
 497     return !event_data->ret;
 498 }
 499 #endif
 500 
 501 /* --------------------------------------------------------------------------------------------- */
 502 
 503 /* event callback */
 504 static gboolean
 505 print_vfs_message (const gchar *event_group_name, const gchar *event_name, gpointer init_data,
     /*   */
 506                    gpointer data)
 507 {
 508     ev_vfs_print_message_t *event_data = (ev_vfs_print_message_t *) data;
 509 
 510     (void) event_group_name;
 511     (void) event_name;
 512     (void) init_data;
 513 
 514     if (mc_global.midnight_shutdown)
 515         goto ret;
 516 
 517     if (!mc_global.message_visible || the_hint == NULL || WIDGET (the_hint)->owner == NULL)
 518     {
 519         int col, row;
 520 
 521         if (!nice_rotating_dash || (ok_to_refresh <= 0))
 522             goto ret;
 523 
 524         // Preserve current cursor position
 525         tty_getyx (&row, &col);
 526 
 527         tty_gotoyx (0, 0);
 528         tty_setcolor (NORMAL_COLOR);
 529         tty_print_string (str_fit_to_term (event_data->msg, COLS - 1, J_LEFT));
 530 
 531         // Restore cursor position
 532         tty_gotoyx (row, col);
 533         mc_refresh ();
 534         goto ret;
 535     }
 536 
 537     if (mc_global.message_visible)
 538         set_hintbar (event_data->msg);
 539 
 540 ret:
 541     MC_PTR_FREE (event_data->msg);
 542     return TRUE;
 543 }
 544 
 545 /* --------------------------------------------------------------------------------------------- */
 546 
 547 static void
 548 create_panels (void)
     /*   */
 549 {
 550     int current_index, other_index;
 551     panel_view_mode_t current_mode, other_mode;
 552     char *current_dir, *other_dir;
 553     vfs_path_t *original_dir;
 554 
 555     /*
 556      * Following cases from command line are possible:
 557      * 'mc' (no arguments):            mc_run_param0 == NULL, mc_run_param1 == NULL
 558      *                                 active panel uses current directory
 559      *                                 passive panel uses "other_dir" from panels.ini
 560      *
 561      * 'mc dir1 dir2' (two arguments): mc_run_param0 != NULL, mc_run_param1 != NULL
 562      *                                 active panel uses mc_run_param0
 563      *                                 passive panel uses mc_run_param1
 564      *
 565      * 'mc dir1' (single argument):    mc_run_param0 != NULL, mc_run_param1 == NULL
 566      *                                 active panel uses mc_run_param0
 567      *                                 passive panel uses "other_dir" from panels.ini
 568      */
 569 
 570     // Set up panel directories
 571     if (boot_current_is_left)
 572     {
 573         // left panel is active
 574         current_index = 0;
 575         other_index = 1;
 576         current_mode = startup_left_mode;
 577         other_mode = startup_right_mode;
 578 
 579         if (mc_run_param0 == NULL && mc_run_param1 == NULL)
 580         {
 581             // no arguments
 582             current_dir = NULL;           // assume current dir
 583             other_dir = saved_other_dir;  // from ini
 584         }
 585         else if (mc_run_param0 != NULL && mc_run_param1 != NULL)
 586         {
 587             // two arguments
 588             current_dir = (char *) mc_run_param0;
 589             other_dir = mc_run_param1;
 590         }
 591         else  // mc_run_param0 != NULL && mc_run_param1 == NULL
 592         {
 593             // one argument
 594             current_dir = (char *) mc_run_param0;
 595             other_dir = saved_other_dir;  // from ini
 596         }
 597     }
 598     else
 599     {
 600         // right panel is active
 601         current_index = 1;
 602         other_index = 0;
 603         current_mode = startup_right_mode;
 604         other_mode = startup_left_mode;
 605 
 606         if (mc_run_param0 == NULL && mc_run_param1 == NULL)
 607         {
 608             // no arguments
 609             current_dir = NULL;           // assume current dir
 610             other_dir = saved_other_dir;  // from ini
 611         }
 612         else if (mc_run_param0 != NULL && mc_run_param1 != NULL)
 613         {
 614             // two arguments
 615             current_dir = (char *) mc_run_param0;
 616             other_dir = mc_run_param1;
 617         }
 618         else  // mc_run_param0 != NULL && mc_run_param1 == NULL
 619         {
 620             // one argument
 621             current_dir = (char *) mc_run_param0;
 622             other_dir = saved_other_dir;  // from ini
 623         }
 624     }
 625 
 626     // 1. Get current dir
 627     original_dir = vfs_path_clone (vfs_get_raw_current_dir ());
 628 
 629     // 2. Create passive panel
 630     if (other_dir != NULL)
 631     {
 632         vfs_path_t *vpath;
 633 
 634         if (g_path_is_absolute (other_dir))
 635             vpath = vfs_path_from_str (other_dir);
 636         else
 637             vpath = vfs_path_append_new (original_dir, other_dir, (char *) NULL);
 638         mc_chdir (vpath);
 639         vfs_path_free (vpath, TRUE);
 640     }
 641     create_panel (other_index, other_mode);
 642 
 643     // 3. Create active panel
 644     if (current_dir == NULL)
 645         mc_chdir (original_dir);
 646     else
 647     {
 648         vfs_path_t *vpath;
 649 
 650         if (g_path_is_absolute (current_dir))
 651             vpath = vfs_path_from_str (current_dir);
 652         else
 653             vpath = vfs_path_append_new (original_dir, current_dir, (char *) NULL);
 654         mc_chdir (vpath);
 655         vfs_path_free (vpath, TRUE);
 656     }
 657     create_panel (current_index, current_mode);
 658 
 659     if (startup_left_mode == view_listing)
 660         current_panel = left_panel;
 661     else if (right_panel != NULL)
 662         current_panel = right_panel;
 663     else
 664         current_panel = left_panel;
 665 
 666     vfs_path_free (original_dir, TRUE);
 667 
 668 #ifdef ENABLE_VFS
 669     mc_event_add (MCEVENT_GROUP_CORE, "vfs_timestamp", check_other_panel_timestamp, NULL, NULL);
 670     mc_event_add (MCEVENT_GROUP_CORE, "vfs_timestamp", check_current_panel_timestamp, NULL, NULL);
 671 #endif
 672 
 673     mc_event_add (MCEVENT_GROUP_CORE, "vfs_print_message", print_vfs_message, NULL, NULL);
 674 }
 675 
 676 /* --------------------------------------------------------------------------------------------- */
 677 
 678 static void
 679 midnight_put_panel_path (WPanel *panel)
     /*   */
 680 {
 681     vfs_path_t *cwd_vpath;
 682     const char *cwd_vpath_str;
 683 
 684     if (!command_prompt)
 685         return;
 686 
 687     cwd_vpath = remove_encoding_from_path (panel->cwd_vpath);
 688     cwd_vpath_str = vfs_path_as_str (cwd_vpath);
 689 
 690     command_insert (cmdline, cwd_vpath_str, FALSE);
 691 
 692     if (!IS_PATH_SEP (cwd_vpath_str[strlen (cwd_vpath_str) - 1]))
 693         command_insert (cmdline, PATH_SEP_STR, FALSE);
 694 
 695     vfs_path_free (cwd_vpath, TRUE);
 696 }
 697 
 698 /* --------------------------------------------------------------------------------------------- */
 699 
 700 static void
 701 put_link (WPanel *panel)
     /*   */
 702 {
 703     const file_entry_t *fe;
 704 
 705     if (!command_prompt)
 706         return;
 707 
 708     fe = panel_current_entry (panel);
 709 
 710     if (fe != NULL && S_ISLNK (fe->st.st_mode))
 711     {
 712         char buffer[MC_MAXPATHLEN];
 713         vfs_path_t *vpath;
 714         int i;
 715 
 716         vpath = vfs_path_append_new (panel->cwd_vpath, fe->fname->str, (char *) NULL);
 717         i = mc_readlink (vpath, buffer, sizeof (buffer) - 1);
 718         vfs_path_free (vpath, TRUE);
 719 
 720         if (i > 0)
 721         {
 722             buffer[i] = '\0';
 723             command_insert (cmdline, buffer, TRUE);
 724         }
 725     }
 726 }
 727 
 728 /* --------------------------------------------------------------------------------------------- */
 729 
 730 static void
 731 put_current_link (void)
     /*   */
 732 {
 733     put_link (current_panel);
 734 }
 735 
 736 /* --------------------------------------------------------------------------------------------- */
 737 
 738 static void
 739 put_other_link (void)
     /*   */
 740 {
 741     if (get_other_type () == view_listing)
 742         put_link (other_panel);
 743 }
 744 
 745 /* --------------------------------------------------------------------------------------------- */
 746 
 747 /** Insert the selected file name into the input line */
 748 static void
 749 put_current_selected (void)
     /*   */
 750 {
 751     if (!command_prompt)
 752         return;
 753 
 754     if (get_current_type () == view_tree)
 755     {
 756         WTree *tree;
 757         const vfs_path_t *selected_name;
 758 
 759         tree = (WTree *) get_panel_widget (get_current_index ());
 760         selected_name = tree_selected_name (tree);
 761         command_insert (cmdline, vfs_path_as_str (selected_name), TRUE);
 762     }
 763     else
 764     {
 765         const file_entry_t *fe;
 766 
 767         fe = panel_current_entry (current_panel);
 768         if (fe != NULL)
 769             command_insert (cmdline, fe->fname->str, TRUE);
 770     }
 771 }
 772 
 773 /* --------------------------------------------------------------------------------------------- */
 774 
 775 static void
 776 put_tagged (const WPanel *panel)
     /*   */
 777 {
 778     if (!command_prompt)
 779         return;
 780 
 781     input_disable_update (cmdline);
 782 
 783     if (panel->marked == 0)
 784     {
 785         const file_entry_t *fe = panel_current_entry (panel);
 786 
 787         if (fe != NULL)
 788             command_insert (cmdline, fe->fname->str, TRUE);
 789     }
 790     else
 791         for (int m = 0, i = 0; m < panel->marked && i < panel->dir.len; i++)
 792             if (panel->dir.list[i].f.marked != 0)
 793             {
 794                 command_insert (cmdline, panel->dir.list[i].fname->str, TRUE);
 795                 m++;
 796             }
 797 
 798     input_enable_update (cmdline);
 799 }
 800 
 801 /* --------------------------------------------------------------------------------------------- */
 802 
 803 static void
 804 put_current_tagged (void)
     /*   */
 805 {
 806     put_tagged (current_panel);
 807 }
 808 
 809 /* --------------------------------------------------------------------------------------------- */
 810 
 811 static void
 812 put_other_tagged (void)
     /*   */
 813 {
 814     if (get_other_type () == view_listing)
 815         put_tagged (other_panel);
 816 }
 817 
 818 /* --------------------------------------------------------------------------------------------- */
 819 
 820 static void
 821 setup_mc (void)
     /*   */
 822 {
 823     tty_display_8bit (TRUE);
 824 
 825     const int baudrate = tty_baudrate ();
 826     if ((baudrate > 0 && baudrate < 9600) || mc_global.tty.slow_terminal)
 827         verbose = FALSE;
 828 }
 829 
 830 /* --------------------------------------------------------------------------------------------- */
 831 
 832 static void
 833 setup_dummy_mc (void)
     /*   */
 834 {
 835     vfs_path_t *vpath;
 836     char *d;
 837     int ret;
 838 
 839     d = vfs_get_cwd ();
 840     setup_mc ();
 841     vpath = vfs_path_from_str (d);
 842     ret = mc_chdir (vpath);
 843     (void) ret;
 844     vfs_path_free (vpath, TRUE);
 845     g_free (d);
 846 }
 847 
 848 /* --------------------------------------------------------------------------------------------- */
 849 
 850 static void
 851 done_mc (void)
     /*   */
 852 {
 853     /* Setup shutdown
 854      *
 855      * We sync the profiles since the hotlist may have changed, while
 856      * we only change the setup data if we have the auto save feature set
 857      */
 858 
 859     save_setup (auto_save_setup, panels_options.auto_save_setup);
 860 
 861     vfs_stamp_path (vfs_get_raw_current_dir ());
 862 }
 863 
 864 /* --------------------------------------------------------------------------------------------- */
 865 
 866 static void
 867 create_file_manager (void)
     /*   */
 868 {
 869     Widget *w = WIDGET (filemanager);
 870     WGroup *g = GROUP (filemanager);
 871 
 872     w->keymap = filemanager_map;
 873     w->ext_keymap = filemanager_x_map;
 874 
 875     filemanager->get_shortcut = midnight_get_shortcut;
 876     filemanager->get_title = midnight_get_title;
 877     // allow rebind tab
 878     widget_want_tab (w, TRUE);
 879 
 880     the_menubar = menubar_new (NULL);
 881     group_add_widget (g, the_menubar);
 882     init_menu ();
 883 
 884     create_panels ();
 885     group_add_widget (g, get_panel_widget (0));
 886     group_add_widget (g, get_panel_widget (1));
 887 
 888     the_hint = label_new (0, 0, NULL);
 889     the_hint->transparent = TRUE;
 890     the_hint->auto_adjust_cols = 0;
 891     WIDGET (the_hint)->rect.cols = COLS;
 892     group_add_widget (g, the_hint);
 893 
 894     cmdline = command_new (0, 0, 0);
 895     group_add_widget (g, cmdline);
 896 
 897     the_prompt = label_new (0, 0, mc_prompt);
 898     the_prompt->transparent = TRUE;
 899     group_add_widget (g, the_prompt);
 900 
 901     the_bar = buttonbar_new ();
 902     group_add_widget (g, the_bar);
 903     midnight_set_buttonbar (the_bar);
 904 
 905 #ifdef ENABLE_SUBSHELL
 906     /* Must be done after creation of cmdline and prompt widgets to avoid potential
 907        NULL dereference in load_prompt() -> ... -> setup_cmdline() -> label_set_text(). */
 908     if (mc_global.tty.use_subshell)
 909         add_select_channel (mc_global.tty.subshell_pty, load_prompt, NULL);
 910 #endif
 911 }
 912 
 913 /* --------------------------------------------------------------------------------------------- */
 914 
 915 /** result must be free'd (I think this should go in util.c) */
 916 static vfs_path_t *
 917 prepend_cwd_on_local (const char *filename)
     /*   */
 918 {
 919     vfs_path_t *vpath;
 920 
 921     vpath = vfs_path_from_str (filename);
 922     if (!vfs_file_is_local (vpath) || g_path_is_absolute (filename))
 923         return vpath;
 924 
 925     vfs_path_free (vpath, TRUE);
 926 
 927     return vfs_path_append_new (vfs_get_raw_current_dir (), filename, (char *) NULL);
 928 }
 929 
 930 /* --------------------------------------------------------------------------------------------- */
 931 
 932 /** Invoke the internal view/edit routine with:
 933  * the default processing and forcing the internal viewer/editor
 934  */
 935 static gboolean
 936 mc_maybe_editor_or_viewer (void)
     /*   */
 937 {
 938     gboolean ret;
 939 
 940     switch (mc_global.mc_run_mode)
 941     {
 942 #ifdef USE_INTERNAL_EDIT
 943     case MC_RUN_EDITOR:
 944         ret = edit_files ((GList *) mc_run_param0);
 945         break;
 946 #endif
 947     case MC_RUN_VIEWER:
 948     {
 949         vfs_path_t *vpath = NULL;
 950 
 951         if (mc_run_param0 != NULL && *(char *) mc_run_param0 != '\0')
 952             vpath = prepend_cwd_on_local ((char *) mc_run_param0);
 953 
 954         ret = view_file (vpath, FALSE, TRUE);
 955         vfs_path_free (vpath, TRUE);
 956         break;
 957     }
 958 #ifdef USE_DIFF_VIEW
 959     case MC_RUN_DIFFVIEWER:
 960         ret = dview_diff_cmd (mc_run_param0, mc_run_param1);
 961         break;
 962 #endif
 963     default:
 964         ret = FALSE;
 965     }
 966 
 967     return ret;
 968 }
 969 
 970 /* --------------------------------------------------------------------------------------------- */
 971 
 972 static void
 973 show_editor_viewer_history (void)
     /*   */
 974 {
 975     char *s;
 976     int act;
 977 
 978     s = show_file_history (WIDGET (filemanager), &act);
 979     if (s != NULL)
 980     {
 981         vfs_path_t *s_vpath;
 982 
 983         switch (act)
 984         {
 985         case CK_Edit:
 986             s_vpath = vfs_path_from_str (s);
 987             edit_file_at_line (s_vpath, use_internal_edit, 0);
 988             break;
 989 
 990         case CK_View:
 991             s_vpath = vfs_path_from_str (s);
 992             view_file (s_vpath, use_internal_view, FALSE);
 993             break;
 994 
 995         default:
 996         {
 997             char *d;
 998 
 999             d = g_path_get_dirname (s);
1000             s_vpath = vfs_path_from_str (d);
1001             panel_cd (current_panel, s_vpath, cd_exact);
1002             panel_set_current_by_name (current_panel, s);
1003             g_free (d);
1004         }
1005         }
1006 
1007         g_free (s);
1008         vfs_path_free (s_vpath, TRUE);
1009     }
1010 }
1011 
1012 /* --------------------------------------------------------------------------------------------- */
1013 
1014 static gboolean
1015 quit_cmd_internal (int quiet)
     /*   */
1016 {
1017     int q = quit;
1018     size_t n;
1019 
1020     n = dialog_switch_num () - 1;
1021     if (n != 0)
1022     {
1023         char msg[BUF_MEDIUM];
1024 
1025         g_snprintf (msg, sizeof (msg),
1026                     ngettext ("You have %zu opened screen. Quit anyway?",
1027                               "You have %zu opened screens. Quit anyway?", n),
1028                     n);
1029 
1030         if (query_dialog (PACKAGE_NAME, msg, D_NORMAL, 2, _ ("&Yes"), _ ("&No")) != 0)
1031             return FALSE;
1032         q = 1;
1033     }
1034     else if (quiet || !confirm_exit)
1035         q = 1;
1036     else if (query_dialog (PACKAGE_NAME, _ ("Do you really want to quit?"), D_NORMAL, 2, _ ("&Yes"),
1037                            _ ("&No"))
1038              == 0)
1039         q = 1;
1040 
1041     if (q != 0)
1042     {
1043 #ifdef ENABLE_SUBSHELL
1044         if (!mc_global.tty.use_subshell)
1045             stop_dialogs ();
1046         else if ((q = exit_subshell () ? 1 : 0) != 0)
1047 #endif
1048             stop_dialogs ();
1049     }
1050 
1051     if (q != 0)
1052         quit |= 1;
1053     return (quit != 0);
1054 }
1055 
1056 /* --------------------------------------------------------------------------------------------- */
1057 
1058 static gboolean
1059 quit_cmd (void)
     /*   */
1060 {
1061     return quit_cmd_internal (0);
1062 }
1063 
1064 /* --------------------------------------------------------------------------------------------- */
1065 
1066 /**
1067  * Repaint the contents of the panels without frames.  To schedule panel
1068  * for repainting, set panel->dirty to TRUE.  There are many reasons why
1069  * the panels need to be repainted, and this is a costly operation, so
1070  * it's done once per event.
1071  */
1072 
1073 static void
1074 update_dirty_panels (void)
     /*   */
1075 {
1076     if (get_current_type () == view_listing && current_panel->dirty)
1077         widget_draw (WIDGET (current_panel));
1078 
1079     if (get_other_type () == view_listing && other_panel->dirty)
1080         widget_draw (WIDGET (other_panel));
1081 }
1082 
1083 /* --------------------------------------------------------------------------------------------- */
1084 
1085 static void
1086 toggle_show_hidden (void)
     /*   */
1087 {
1088     panels_options.show_dot_files = !panels_options.show_dot_files;
1089     update_panels (UP_RELOAD, UP_KEEPSEL);
1090     // redraw panels forced
1091     update_dirty_panels ();
1092 }
1093 
1094 /* --------------------------------------------------------------------------------------------- */
1095 
1096 static cb_ret_t
1097 midnight_execute_cmd (Widget *sender, long command)
     /*   */
1098 {
1099     cb_ret_t res = MSG_HANDLED;
1100 
1101     (void) sender;
1102 
1103     // stop quick search before executing any command
1104     send_message (current_panel, NULL, MSG_ACTION, CK_SearchStop, NULL);
1105 
1106     switch (command)
1107     {
1108     case CK_About:
1109         about_box ();
1110         break;
1111     case CK_ChangePanel:
1112         (void) change_panel ();
1113         break;
1114     case CK_HotListAdd:
1115         add2hotlist_cmd (current_panel);
1116         break;
1117     case CK_SetupListingFormat:
1118         setup_listing_format_cmd ();
1119         break;
1120     case CK_ChangeMode:
1121         chmod_cmd (current_panel);
1122         break;
1123     case CK_ChangeOwn:
1124         chown_cmd (current_panel);
1125         break;
1126     case CK_ChangeOwnAdvanced:
1127         advanced_chown_cmd (current_panel);
1128         break;
1129 #ifdef ENABLE_EXT2FS_ATTR
1130     case CK_ChangeAttributes:
1131         chattr_cmd (current_panel);
1132         break;
1133 #endif
1134     case CK_CompareDirs:
1135         compare_dirs_cmd ();
1136         break;
1137     case CK_Options:
1138         configure_box ();
1139         break;
1140 #ifdef ENABLE_VFS
1141     case CK_OptionsVfs:
1142         configure_vfs_box ();
1143         break;
1144 #endif
1145     case CK_OptionsConfirm:
1146         confirm_box ();
1147         break;
1148     case CK_Copy:
1149         copy_cmd (current_panel);
1150         break;
1151     case CK_PutCurrentPath:
1152         midnight_put_panel_path (current_panel);
1153         break;
1154     case CK_PutCurrentSelected:
1155         put_current_selected ();
1156         break;
1157     case CK_PutCurrentFullSelected:
1158         midnight_put_panel_path (current_panel);
1159         put_current_selected ();
1160         break;
1161     case CK_PutCurrentLink:
1162         put_current_link ();
1163         break;
1164     case CK_PutCurrentTagged:
1165         put_current_tagged ();
1166         break;
1167     case CK_PutOtherPath:
1168         if (get_other_type () == view_listing)
1169             midnight_put_panel_path (other_panel);
1170         break;
1171     case CK_PutOtherLink:
1172         put_other_link ();
1173         break;
1174     case CK_PutOtherTagged:
1175         put_other_tagged ();
1176         break;
1177     case CK_Delete:
1178         delete_cmd (current_panel);
1179         break;
1180     case CK_ScreenList:
1181         dialog_switch_list ();
1182         break;
1183 #ifdef USE_DIFF_VIEW
1184     case CK_CompareFiles:
1185         diff_view_cmd ();
1186         break;
1187 #endif
1188     case CK_Edit:
1189         edit_cmd (current_panel);
1190         break;
1191 #ifdef USE_INTERNAL_EDIT
1192     case CK_EditForceInternal:
1193         edit_cmd_force_internal (current_panel);
1194         break;
1195 #endif
1196     case CK_EditExtensionsFile:
1197         ext_cmd ();
1198         break;
1199     case CK_EditFileHighlightFile:
1200         edit_fhl_cmd ();
1201         break;
1202     case CK_EditUserMenu:
1203         edit_mc_menu_cmd ();
1204         break;
1205     case CK_LinkSymbolicEdit:
1206         edit_symlink_cmd ();
1207         break;
1208     case CK_ExternalPanelize:
1209         external_panelize_cmd ();
1210         break;
1211     case CK_ViewFiltered:
1212         view_filtered_cmd (current_panel);
1213         break;
1214     case CK_Find:
1215         find_cmd (current_panel);
1216         break;
1217 #ifdef ENABLE_VFS_SHELL
1218     case CK_ConnectShell:
1219         shelllink_cmd ();
1220         break;
1221 #endif
1222 #ifdef ENABLE_VFS_FTP
1223     case CK_ConnectFtp:
1224         ftplink_cmd ();
1225         break;
1226 #endif
1227 #ifdef ENABLE_VFS_SFTP
1228     case CK_ConnectSftp:
1229         sftplink_cmd ();
1230         break;
1231 #endif
1232     case CK_Panelize:
1233         panel_panelize_cd ();
1234         break;
1235     case CK_Help:
1236         help_cmd ();
1237         break;
1238     case CK_History:
1239         // show the history of command line widget
1240         send_message (cmdline, NULL, MSG_ACTION, CK_History, NULL);
1241         break;
1242     case CK_PanelInfo:
1243         if (sender == WIDGET (the_menubar))
1244             info_cmd ();  // menu
1245         else
1246             info_cmd_no_menu ();  // shortcut or buttonbar
1247         break;
1248 #ifdef ENABLE_BACKGROUND
1249     case CK_Jobs:
1250         jobs_box ();
1251         break;
1252 #endif
1253     case CK_OptionsLayout:
1254         layout_box ();
1255         break;
1256     case CK_OptionsAppearance:
1257         appearance_box ();
1258         break;
1259     case CK_LearnKeys:
1260         learn_keys ();
1261         break;
1262     case CK_Link:
1263         link_cmd (LINK_HARDLINK);
1264         break;
1265     case CK_PanelListing:
1266         listing_cmd ();
1267         break;
1268 #ifdef LISTMODE_EDITOR
1269     case CK_ListMode:
1270         listmode_cmd ();
1271         break;
1272 #endif
1273     case CK_Menu:
1274         menu_cmd ();
1275         break;
1276     case CK_MenuLastSelected:
1277         menu_last_selected_cmd ();
1278         break;
1279     case CK_MakeDir:
1280         mkdir_cmd (current_panel);
1281         break;
1282     case CK_OptionsPanel:
1283         panel_options_box ();
1284         break;
1285     case CK_SelectCodepage:
1286         encoding_cmd ();
1287         break;
1288     case CK_CdQuick:
1289         quick_cd_cmd (current_panel);
1290         break;
1291     case CK_HotList:
1292         hotlist_cmd (current_panel);
1293         break;
1294     case CK_PanelQuickView:
1295         if (sender == WIDGET (the_menubar))
1296             quick_view_cmd ();  // menu
1297         else
1298             quick_cmd_no_menu ();  // shortcut or buttonabr
1299         break;
1300     case CK_QuitQuiet:
1301         quiet_quit_cmd ();
1302         break;
1303     case CK_Quit:
1304         quit_cmd ();
1305         break;
1306     case CK_LinkSymbolicRelative:
1307         link_cmd (LINK_SYMLINK_RELATIVE);
1308         break;
1309     case CK_Move:
1310         rename_cmd (current_panel);
1311         break;
1312     case CK_Reread:
1313         reread_cmd ();
1314         break;
1315 #ifdef ENABLE_VFS
1316     case CK_VfsList:
1317         vfs_list (current_panel);
1318         break;
1319 #endif
1320     case CK_SaveSetup:
1321         save_setup_cmd ();
1322         break;
1323     case CK_Select:
1324     case CK_Unselect:
1325     case CK_SelectInvert:
1326     case CK_Filter:
1327         res = send_message (current_panel, filemanager, MSG_ACTION, command, NULL);
1328         break;
1329     case CK_Shell:
1330         toggle_subshell ();
1331         break;
1332     case CK_DirSize:
1333         smart_dirsize_cmd (current_panel);
1334         break;
1335     case CK_Sort:
1336         sort_cmd ();
1337         break;
1338     case CK_ExtendedKeyMap:
1339         WIDGET (filemanager)->ext_mode = TRUE;
1340         break;
1341     case CK_Suspend:
1342         mc_event_raise (MCEVENT_GROUP_CORE, "suspend", NULL);
1343         break;
1344     case CK_Swap:
1345         swap_cmd ();
1346         break;
1347     case CK_LinkSymbolic:
1348         link_cmd (LINK_SYMLINK_ABSOLUTE);
1349         break;
1350     case CK_ShowHidden:
1351         toggle_show_hidden ();
1352         break;
1353     case CK_SplitVertHoriz:
1354         toggle_panels_split ();
1355         break;
1356     case CK_SplitEqual:
1357         panels_split_equal ();
1358         break;
1359     case CK_SplitMore:
1360         panels_split_more ();
1361         break;
1362     case CK_SplitLess:
1363         panels_split_less ();
1364         break;
1365     case CK_PanelTree:
1366         panel_tree_cmd ();
1367         break;
1368     case CK_Tree:
1369         treebox_cmd ();
1370         break;
1371 #ifdef ENABLE_VFS_UNDELFS
1372     case CK_Undelete:
1373         undelete_cmd ();
1374         break;
1375 #endif
1376     case CK_UserMenu:
1377         user_file_menu_cmd ();
1378         break;
1379     case CK_View:
1380         view_cmd (current_panel);
1381         break;
1382     case CK_ViewFile:
1383         view_file_cmd (current_panel);
1384         break;
1385     case CK_EditorViewerHistory:
1386         show_editor_viewer_history ();
1387         break;
1388     case CK_Cancel:
1389         // don't close panels due to SIGINT
1390         break;
1391     default:
1392         res = MSG_NOT_HANDLED;
1393     }
1394 
1395     return res;
1396 }
1397 
1398 /* --------------------------------------------------------------------------------------------- */
1399 
1400 /**
1401  * Whether the command-line should not respond to key events.
1402  *
1403  * This is TRUE if a QuickView or TreeView have the focus, as they're going
1404  * to consume some keys and there's no sense in passing to the command-line
1405  * just the leftovers.
1406  */
1407 static gboolean
1408 is_cmdline_mute (void)
     /*   */
1409 {
1410     /* When one of panels is other than view_listing,
1411        current_panel points to view_listing panel all time independently of
1412        it's activity. Thus, we can't use get_current_type() here.
1413        current_panel should point to actually current active panel
1414        independently of it's type. */
1415     return (!current_panel->active
1416             && (get_other_type () == view_quick || get_other_type () == view_tree));
1417 }
1418 
1419 /* --------------------------------------------------------------------------------------------- */
1420 
1421 /**
1422  * Handles the Enter key on the command-line.
1423  *
1424  * Returns TRUE if non-whitespace was indeed processed.
1425  */
1426 static gboolean
1427 handle_cmdline_enter (void)
     /*   */
1428 {
1429     const char *s;
1430 
1431     for (s = input_get_ctext (cmdline); *s != '\0' && whitespace (*s); s++)
1432         ;
1433 
1434     if (*s != '\0')
1435     {
1436         send_message (cmdline, NULL, MSG_KEY, '\n', NULL);
1437         return TRUE;
1438     }
1439 
1440     input_insert (cmdline, "", FALSE);
1441     cmdline->point = 0;
1442 
1443     return FALSE;
1444 }
1445 
1446 /* --------------------------------------------------------------------------------------------- */
1447 
1448 static cb_ret_t
1449 midnight_callback (Widget *w, Widget *sender, widget_msg_t msg, int parm, void *data)
     /*   */
1450 {
1451     long command;
1452 
1453     switch (msg)
1454     {
1455     case MSG_INIT:
1456         panel_init ();
1457         setup_panels ();
1458         return MSG_HANDLED;
1459 
1460     case MSG_DRAW:
1461         load_hint (TRUE);
1462         group_default_callback (w, NULL, MSG_DRAW, 0, NULL);
1463         // We handle the special case of the output lines
1464         if (mc_global.tty.console_flag != '\0' && output_lines != 0)
1465         {
1466             unsigned char end_line;
1467 
1468             end_line = LINES - (mc_global.keybar_visible ? 1 : 0) - 1;
1469             show_console_contents (output_start_y, end_line - output_lines, end_line);
1470         }
1471         return MSG_HANDLED;
1472 
1473     case MSG_RESIZE:
1474         widget_adjust_position (w->pos_flags, &w->rect);
1475         setup_panels ();
1476         menubar_arrange (the_menubar);
1477         return MSG_HANDLED;
1478 
1479     case MSG_IDLE:
1480         // We only need the first idle event to show user menu after start
1481         widget_idle (w, FALSE);
1482 
1483         if (boot_current_is_left)
1484             widget_select (get_panel_widget (0));
1485         else
1486             widget_select (get_panel_widget (1));
1487 
1488         if (auto_menu)
1489             midnight_execute_cmd (NULL, CK_UserMenu);
1490         return MSG_HANDLED;
1491 
1492     case MSG_KEY:
1493         if (w->ext_mode)
1494         {
1495             command = widget_lookup_key (w, parm);
1496             if (command != CK_IgnoreKey)
1497                 return midnight_execute_cmd (NULL, command);
1498         }
1499 
1500         // FIXME: should handle all menu shortcuts before this point
1501         if (widget_get_state (WIDGET (the_menubar), WST_FOCUSED))
1502             return MSG_NOT_HANDLED;
1503 
1504         if (parm == '\n' && !is_cmdline_mute ())
1505         {
1506             if (handle_cmdline_enter ())
1507                 return MSG_HANDLED;
1508             // Else: the panel will handle it.
1509         }
1510 
1511         if ((!mc_global.tty.alternate_plus_minus
1512              || !(mc_global.tty.console_flag != '\0' || mc_global.tty.xterm_flag))
1513             && !quote && !current_panel->quick_search.active)
1514         {
1515             if (!only_leading_plus_minus)
1516             {
1517                 // Special treatment, since the input line will eat them
1518                 if (parm == '+')
1519                     return send_message (current_panel, filemanager, MSG_ACTION, CK_Select, NULL);
1520 
1521                 if (parm == '\\' || parm == '-')
1522                     return send_message (current_panel, filemanager, MSG_ACTION, CK_Unselect, NULL);
1523 
1524                 if (parm == '*')
1525                     return send_message (current_panel, filemanager, MSG_ACTION, CK_SelectInvert,
1526                                          NULL);
1527             }
1528             else if (!command_prompt || input_is_empty (cmdline))
1529             {
1530                 /* Special treatment '+', '-', '\', '*' only when this is
1531                  * first char on input line
1532                  */
1533                 if (parm == '+')
1534                     return send_message (current_panel, filemanager, MSG_ACTION, CK_Select, NULL);
1535 
1536                 if (parm == '\\' || parm == '-')
1537                     return send_message (current_panel, filemanager, MSG_ACTION, CK_Unselect, NULL);
1538 
1539                 if (parm == '*')
1540                     return send_message (current_panel, filemanager, MSG_ACTION, CK_SelectInvert,
1541                                          NULL);
1542             }
1543         }
1544         return MSG_NOT_HANDLED;
1545 
1546     case MSG_HOTKEY_HANDLED:
1547         if ((get_current_type () == view_listing) && current_panel->quick_search.active)
1548         {
1549             current_panel->dirty = TRUE;  // FIXME: unneeded?
1550             send_message (current_panel, NULL, MSG_ACTION, CK_SearchStop, NULL);
1551         }
1552         return MSG_HANDLED;
1553 
1554     case MSG_UNHANDLED_KEY:
1555     {
1556         cb_ret_t v = MSG_NOT_HANDLED;
1557 
1558         command = widget_lookup_key (w, parm);
1559         if (command != CK_IgnoreKey)
1560             v = midnight_execute_cmd (NULL, command);
1561 
1562         if (v == MSG_NOT_HANDLED && command_prompt && !is_cmdline_mute ())
1563             v = send_message (cmdline, NULL, MSG_KEY, parm, NULL);
1564 
1565         return v;
1566     }
1567 
1568     case MSG_POST_KEY:
1569         if (!widget_get_state (WIDGET (the_menubar), WST_FOCUSED))
1570             update_dirty_panels ();
1571         return MSG_HANDLED;
1572 
1573     case MSG_ACTION:
1574         // Handle shortcuts, menu, and buttonbar.
1575         return midnight_execute_cmd (sender, parm);
1576 
1577     case MSG_DESTROY:
1578         panel_deinit ();
1579         return MSG_HANDLED;
1580 
1581     default:
1582         return dlg_default_callback (w, sender, msg, parm, data);
1583     }
1584 }
1585 
1586 /* --------------------------------------------------------------------------------------------- */
1587 /*** public functions ****************************************************************************/
1588 /* --------------------------------------------------------------------------------------------- */
1589 
1590 void
1591 update_menu (void)
     /*   */
1592 {
1593     menu_set_name (left_menu, panels_layout.horizontal_split ? _ ("&Above") : _ ("&Left"));
1594     menu_set_name (right_menu, panels_layout.horizontal_split ? _ ("&Below") : _ ("&Right"));
1595     menubar_arrange (the_menubar);
1596     widget_set_visibility (WIDGET (the_menubar), menubar_visible);
1597 }
1598 
1599 /* --------------------------------------------------------------------------------------------- */
1600 
1601 void
1602 midnight_set_buttonbar (WButtonBar *b)
     /*   */
1603 {
1604     Widget *w = WIDGET (filemanager);
1605 
1606     buttonbar_set_label (b, 1, Q_ ("ButtonBar|Help"), w->keymap, NULL);
1607     buttonbar_set_label (b, 2, Q_ ("ButtonBar|Menu"), w->keymap, NULL);
1608     buttonbar_set_label (b, 3, Q_ ("ButtonBar|View"), w->keymap, NULL);
1609     buttonbar_set_label (b, 4, Q_ ("ButtonBar|Edit"), w->keymap, NULL);
1610     buttonbar_set_label (b, 5, Q_ ("ButtonBar|Copy"), w->keymap, NULL);
1611     buttonbar_set_label (b, 6, Q_ ("ButtonBar|RenMov"), w->keymap, NULL);
1612     buttonbar_set_label (b, 7, Q_ ("ButtonBar|Mkdir"), w->keymap, NULL);
1613     buttonbar_set_label (b, 8, Q_ ("ButtonBar|Delete"), w->keymap, NULL);
1614     buttonbar_set_label (b, 9, Q_ ("ButtonBar|PullDn"), w->keymap, NULL);
1615     buttonbar_set_label (b, 10, Q_ ("ButtonBar|Quit"), w->keymap, NULL);
1616 }
1617 
1618 /* --------------------------------------------------------------------------------------------- */
1619 /**
1620  * Return a random hint.  If force is TRUE, ignore the timeout.
1621  */
1622 
1623 char *
1624 get_random_hint (gboolean force)
     /*   */
1625 {
1626     static const gint64 update_period = 60 * G_USEC_PER_SEC;
1627     static gint64 tv = 0;
1628 
1629     char *data, *result, *eop;
1630     size_t len, start;
1631     GIConv conv;
1632 
1633     // Do not change hints more often than one minute
1634     if (!force && !mc_time_elapsed (&tv, update_period))
1635         return g_strdup ("");
1636 
1637     data = load_mc_home_file (mc_global.share_data_dir, MC_HINT, NULL, &len);
1638     if (data == NULL)
1639         return NULL;
1640 
1641     // get a random entry
1642     srand ((unsigned int) (tv / G_USEC_PER_SEC));
1643     start = ((size_t) rand ()) % (len - 1);
1644 
1645     // Search the start of paragraph
1646     for (; start != 0; start--)
1647         if (data[start] == '\n' && data[start + 1] == '\n')
1648         {
1649             start += 2;
1650             break;
1651         }
1652 
1653     // Search the end of paragraph
1654     for (eop = data + start; *eop != '\0'; eop++)
1655     {
1656         if (*eop == '\n' && *(eop + 1) == '\n')
1657         {
1658             *eop = '\0';
1659             break;
1660         }
1661         if (*eop == '\n')
1662             *eop = ' ';
1663     }
1664 
1665     // hint files are stored in utf-8
1666     // try convert hint file from utf-8 to terminal encoding
1667     conv = str_crt_conv_from ("UTF-8");
1668     if (conv == INVALID_CONV)
1669         result = g_strndup (data + start, len - start);
1670     else
1671     {
1672         GString *buffer;
1673         gboolean nok;
1674 
1675         buffer = g_string_sized_new (len - start);
1676         nok = (str_convert (conv, data + start, buffer) == ESTR_FAILURE);
1677         result = g_string_free (buffer, nok);
1678         str_close_conv (conv);
1679     }
1680 
1681     g_free (data);
1682     return result;
1683 }
1684 
1685 /* --------------------------------------------------------------------------------------------- */
1686 /**
1687  * Load new hint and display it.
1688  * IF force is not 0, ignore the timeout.
1689  */
1690 
1691 void
1692 load_hint (gboolean force)
     /*   */
1693 {
1694     char *hint;
1695 
1696     if (WIDGET (the_hint)->owner == NULL)
1697         return;
1698 
1699     if (!mc_global.message_visible)
1700     {
1701         label_set_text (the_hint, NULL);
1702         return;
1703     }
1704 
1705     hint = get_random_hint (force);
1706 
1707     if (hint != NULL)
1708     {
1709         if (*hint != '\0')
1710             set_hintbar (hint);
1711         g_free (hint);
1712     }
1713     else
1714     {
1715         char text[BUF_SMALL];
1716 
1717         g_snprintf (text, sizeof (text), "%s %s\n", PACKAGE_NAME, mc_global.mc_version);
1718         set_hintbar (text);
1719     }
1720 }
1721 
1722 /* --------------------------------------------------------------------------------------------- */
1723 /**
1724  * Change current panel in the file manager.
1725  *
1726  * @return current_panel
1727  */
1728 
1729 WPanel *
1730 change_panel (void)
     /*   */
1731 {
1732     input_complete_free (cmdline);
1733     group_select_next_widget (GROUP (filemanager));
1734     return current_panel;
1735 }
1736 
1737 /* --------------------------------------------------------------------------------------------- */
1738 
1739 /** Save current stat of directories to avoid reloading the panels
1740  * when no modifications have taken place
1741  */
1742 void
1743 save_cwds_stat (void)
     /*   */
1744 {
1745     if (panels_options.fast_reload)
1746     {
1747         mc_stat (current_panel->cwd_vpath, &(current_panel->dir_stat));
1748         if (get_other_type () == view_listing)
1749             mc_stat (other_panel->cwd_vpath, &(other_panel->dir_stat));
1750     }
1751 }
1752 
1753 /* --------------------------------------------------------------------------------------------- */
1754 
1755 gboolean
1756 quiet_quit_cmd (void)
     /*   */
1757 {
1758     print_last_revert = TRUE;
1759     return quit_cmd_internal (1);
1760 }
1761 
1762 /* --------------------------------------------------------------------------------------------- */
1763 
1764 /** Run the main dialog that occupies the whole screen */
1765 gboolean
1766 do_nc (void)
     /*   */
1767 {
1768     gboolean ret;
1769 
1770 #ifdef USE_INTERNAL_EDIT
1771     edit_stack_init ();
1772 #endif
1773 
1774     filemanager = dlg_create (FALSE, 0, 0, 1, 1, WPOS_FULLSCREEN, FALSE, dialog_colors,
1775                               midnight_callback, NULL, "[main]", NULL);
1776 
1777     // Check if we were invoked as an editor or file viewer
1778     if (mc_global.mc_run_mode != MC_RUN_FULL)
1779     {
1780         setup_dummy_mc ();
1781         ret = mc_maybe_editor_or_viewer ();
1782     }
1783     else
1784     {
1785         // We only need the first idle event to show user menu after start
1786         widget_idle (WIDGET (filemanager), TRUE);
1787 
1788         setup_mc ();
1789         mc_filehighlight = mc_fhl_new (TRUE);
1790 
1791         create_file_manager ();
1792         (void) dlg_run (filemanager);
1793 
1794         mc_fhl_free (&mc_filehighlight);
1795 
1796         ret = TRUE;
1797 
1798         // widget_destroy destroys even current_panel->cwd_vpath, so we have to save a copy :)
1799         if (mc_args__last_wd_file != NULL && vfs_current_is_local ())
1800             last_wd_str = g_strdup (vfs_path_as_str (current_panel->cwd_vpath));
1801 
1802         // don't handle VFS timestamps for dirs opened in panels
1803         mc_event_destroy (MCEVENT_GROUP_CORE, "vfs_timestamp");
1804     }
1805 
1806     // Program end
1807     mc_global.midnight_shutdown = TRUE;
1808     dialog_switch_shutdown ();
1809     done_mc ();
1810     widget_destroy (WIDGET (filemanager));
1811     current_panel = NULL;
1812 
1813 #ifdef USE_INTERNAL_EDIT
1814     edit_stack_free ();
1815 #endif
1816 
1817     if ((quit & SUBSHELL_EXIT) == 0)
1818         tty_clear_screen ();
1819 
1820     return ret;
1821 }
1822 
1823 /* --------------------------------------------------------------------------------------------- */
/* */
root/src/filemanager/filemanager.c

DEFINITIONS
